diff --git a/.github/codeql/config.yml b/.github/codeql/config.yml
new file mode 100644
index 0000000000..7a8cebbb8b
--- /dev/null
+++ b/.github/codeql/config.yml
@@ -0,0 +1,2 @@
+paths-ignore:
+  - frontend/src/vendor
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index ccb45a8b17..32109fc042 100644
--- a/.gitignore
+++ b/.gitignore
@@ -92,6 +92,7 @@ npm-debug.log*
 /.ruby-gemset
 /.foreman
 .DS_Store
+*.icloud
 .rspec
 .byebug_history
 
diff --git a/.rubocop.yml b/.rubocop.yml
index 5daaacddc9..f21951faa0 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -264,9 +264,6 @@ Style/EachWithObject:
 Style/EmptyLiteral:
   Enabled: false
 
-Style/Encoding:
-  Enabled: false
-
 Style/EvenOdd:
   Enabled: false
 
diff --git a/Gemfile b/Gemfile
index befdfc6264..bca68f4282 100644
--- a/Gemfile
+++ b/Gemfile
@@ -64,7 +64,7 @@ gem 'addressable', '~> 2.8.0'
 gem "auto_strip_attributes", "~> 2.5"
 
 # Provide timezone info for TZInfo used by AR
-gem 'tzinfo-data', '~> 1.2021.1'
+gem 'tzinfo-data', '~> 1.2022.1'
 
 # to generate html-diffs (e.g. for wiki comparison)
 gem 'htmldiff'
@@ -186,12 +186,10 @@ gem 'ruby-progressbar', '~> 1.11.0', require: false
 
 gem 'mini_magick', '~> 4.11.0', require: false
 
-# Sentry error reporting, loaded on demand
-group :sentry do
-  gem "sentry-delayed_job", '~> 5.1.0', require: false
-  gem "sentry-rails", '~> 5.1.0', require: false
-  gem "sentry-ruby", '~> 5.1.0',  require: false
-end
+# Sentry error reporting
+gem "sentry-delayed_job", '~> 5.2.0'
+gem "sentry-rails", '~> 5.2.0'
+gem "sentry-ruby", '~> 5.2.0'
 
 group :test do
   gem 'launchy', '~> 2.5.0'
@@ -287,7 +285,7 @@ group :development, :test do
   gem 'danger-brakeman'
 end
 
-gem 'bootsnap', '~> 1.10.0', require: false
+gem 'bootsnap', '~> 1.11.0', require: false
 
 # API gems
 gem 'grape', '~> 1.6.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0538fee9e6..705ea5000f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -183,28 +183,28 @@ GEM
   remote: https://rubygems.org/
   specs:
     Ascii85 (1.1.0)
-    actioncable (6.1.4.6)
-      actionpack (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
+    actioncable (6.1.5)
+      actionpack (= 6.1.5)
+      activesupport (= 6.1.5)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (6.1.4.6)
-      actionpack (= 6.1.4.6)
-      activejob (= 6.1.4.6)
-      activerecord (= 6.1.4.6)
-      activestorage (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
+    actionmailbox (6.1.5)
+      actionpack (= 6.1.5)
+      activejob (= 6.1.5)
+      activerecord (= 6.1.5)
+      activestorage (= 6.1.5)
+      activesupport (= 6.1.5)
       mail (>= 2.7.1)
-    actionmailer (6.1.4.6)
-      actionpack (= 6.1.4.6)
-      actionview (= 6.1.4.6)
-      activejob (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
+    actionmailer (6.1.5)
+      actionpack (= 6.1.5)
+      actionview (= 6.1.5)
+      activejob (= 6.1.5)
+      activesupport (= 6.1.5)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (6.1.4.6)
-      actionview (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
+    actionpack (6.1.5)
+      actionview (= 6.1.5)
+      activesupport (= 6.1.5)
       rack (~> 2.0, >= 2.0.9)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
@@ -212,30 +212,30 @@ GEM
     actionpack-xml_parser (2.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    actiontext (6.1.4.6)
-      actionpack (= 6.1.4.6)
-      activerecord (= 6.1.4.6)
-      activestorage (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
+    actiontext (6.1.5)
+      actionpack (= 6.1.5)
+      activerecord (= 6.1.5)
+      activestorage (= 6.1.5)
+      activesupport (= 6.1.5)
       nokogiri (>= 1.8.5)
-    actionview (6.1.4.6)
-      activesupport (= 6.1.4.6)
+    actionview (6.1.5)
+      activesupport (= 6.1.5)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.1.4.6)
-      activesupport (= 6.1.4.6)
+    activejob (6.1.5)
+      activesupport (= 6.1.5)
       globalid (>= 0.3.6)
-    activemodel (6.1.4.6)
-      activesupport (= 6.1.4.6)
+    activemodel (6.1.5)
+      activesupport (= 6.1.5)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
-    activerecord (6.1.4.6)
-      activemodel (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
+    activerecord (6.1.5)
+      activemodel (= 6.1.5)
+      activesupport (= 6.1.5)
     activerecord-import (1.3.0)
       activerecord (>= 4.2)
     activerecord-nulldb-adapter (0.8.0)
@@ -246,14 +246,14 @@ GEM
       multi_json (~> 1.11, >= 1.11.2)
       rack (>= 2.0.8, < 3)
       railties (>= 5.2.4.1)
-    activestorage (6.1.4.6)
-      actionpack (= 6.1.4.6)
-      activejob (= 6.1.4.6)
-      activerecord (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
-      marcel (~> 1.0.0)
+    activestorage (6.1.5)
+      actionpack (= 6.1.5)
+      activejob (= 6.1.5)
+      activerecord (= 6.1.5)
+      activesupport (= 6.1.5)
+      marcel (~> 1.0)
       mini_mime (>= 1.1.0)
-    activesupport (6.1.4.6)
+    activesupport (6.1.5)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -278,8 +278,8 @@ GEM
     awesome_nested_set (3.5.0)
       activerecord (>= 4.0.0, < 7.1)
     aws-eventstream (1.2.0)
-    aws-partitions (1.560.0)
-    aws-sdk-core (3.127.0)
+    aws-partitions (1.568.0)
+    aws-sdk-core (3.130.0)
       aws-eventstream (~> 1, >= 1.0.2)
       aws-partitions (~> 1, >= 1.525.0)
       aws-sigv4 (~> 1.1)
@@ -296,11 +296,11 @@ GEM
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.4.0)
       aws-eventstream (~> 1, >= 1.0.2)
-    bcrypt (3.1.16)
+    bcrypt (3.1.17)
     bindata (2.4.10)
     binding_of_caller (1.0.0)
       debug_inspector (>= 0.0.1)
-    bootsnap (1.10.3)
+    bootsnap (1.11.1)
       msgpack (~> 1.2)
     brakeman (5.2.1)
     browser (5.3.1)
@@ -348,7 +348,7 @@ GEM
     commonmarker (0.23.4)
     compare-xml (0.66)
       nokogiri (~> 1.8)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.1.10)
     cookiejar (0.3.3)
     cork (0.3.0)
       colored2 (~> 3.1)
@@ -357,7 +357,7 @@ GEM
     crass (1.0.6)
     daemons (1.4.1)
     dalli (3.2.1)
-    danger (8.4.3)
+    danger (8.5.0)
       claide (~> 1.0)
       claide-plugins (>= 0.9.2)
       colored2 (~> 3.1)
@@ -444,12 +444,12 @@ GEM
       temple
     erubi (1.10.0)
     escape_utils (1.2.1)
-    et-orbi (1.2.6)
+    et-orbi (1.2.7)
       tzinfo
     eventmachine (1.2.7)
     eventmachine_httpserver (0.2.1)
-    excon (0.91.0)
-    factory_bot (6.2.0)
+    excon (0.92.0)
+    factory_bot (6.2.1)
       activesupport (>= 5.0.0)
     factory_bot_rails (6.2.0)
       factory_bot (~> 6.2.0)
@@ -488,10 +488,10 @@ GEM
       fog-core (~> 2.1)
       fog-json (~> 1.1)
       fog-xml (~> 0.1)
-    fog-core (2.2.4)
+    fog-core (2.3.0)
       builder
       excon (~> 0.71)
-      formatador (~> 0.2)
+      formatador (>= 0.2, < 2.0)
       mime-types
     fog-json (1.2.0)
       fog-core
@@ -499,7 +499,7 @@ GEM
     fog-xml (0.1.4)
       fog-core
       nokogiri (>= 1.5.11, < 2.0.0)
-    formatador (0.3.0)
+    formatador (1.1.0)
     friendly_id (5.4.2)
       activerecord (>= 4.0.0)
     fugit (1.5.2)
@@ -550,7 +550,7 @@ GEM
     ice_cube (0.16.4)
     interception (0.5)
     iso8601 (0.13.0)
-    jmespath (1.6.0)
+    jmespath (1.6.1)
     json (2.6.1)
     json-jwt (1.13.0)
       activesupport (>= 4.2)
@@ -573,8 +573,8 @@ GEM
     launchy (2.5.0)
       addressable (~> 2.7)
     lefthook (0.7.7)
-    letter_opener (1.7.0)
-      launchy (~> 2.2)
+    letter_opener (1.8.1)
+      launchy (>= 2.2, < 3)
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -593,7 +593,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.14.0)
+    loofah (2.15.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -648,7 +648,7 @@ GEM
       webfinger (>= 1.0.1)
     openproject-token (2.2.0)
       activemodel
-    parallel (1.21.0)
+    parallel (1.22.0)
     parallel_tests (3.7.3)
       parallel
     parser (3.1.1.0)
@@ -662,7 +662,7 @@ GEM
       hashery (~> 2.0)
       ruby-rc4
       ttfunk
-    pg (1.3.3)
+    pg (1.3.4)
     plaintext (0.3.4)
       activesupport (> 2.2.1)
       nokogiri (~> 1.10, >= 1.10.4)
@@ -671,7 +671,7 @@ GEM
     prawn (2.4.0)
       pdf-core (~> 0.9.0)
       ttfunk (~> 1.7)
-    prawn-markup (0.3.4)
+    prawn-markup (0.3.5)
       nokogiri
       prawn
       prawn-table
@@ -731,20 +731,20 @@ GEM
     rack_session_access (0.2.0)
       builder (>= 2.0.0)
       rack (>= 1.0.0)
-    rails (6.1.4.6)
-      actioncable (= 6.1.4.6)
-      actionmailbox (= 6.1.4.6)
-      actionmailer (= 6.1.4.6)
-      actionpack (= 6.1.4.6)
-      actiontext (= 6.1.4.6)
-      actionview (= 6.1.4.6)
-      activejob (= 6.1.4.6)
-      activemodel (= 6.1.4.6)
-      activerecord (= 6.1.4.6)
-      activestorage (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
+    rails (6.1.5)
+      actioncable (= 6.1.5)
+      actionmailbox (= 6.1.5)
+      actionmailer (= 6.1.5)
+      actionpack (= 6.1.5)
+      actiontext (= 6.1.5)
+      actionview (= 6.1.5)
+      activejob (= 6.1.5)
+      activemodel (= 6.1.5)
+      activerecord (= 6.1.5)
+      activestorage (= 6.1.5)
+      activesupport (= 6.1.5)
       bundler (>= 1.15.0)
-      railties (= 6.1.4.6)
+      railties (= 6.1.5)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.5)
       actionpack (>= 5.0.1.rc1)
@@ -758,11 +758,11 @@ GEM
     rails-i18n (7.0.3)
       i18n (>= 0.7, < 2)
       railties (>= 6.0.0, < 8)
-    railties (6.1.4.6)
-      actionpack (= 6.1.4.6)
-      activesupport (= 6.1.4.6)
+    railties (6.1.5)
+      actionpack (= 6.1.5)
+      activesupport (= 6.1.5)
       method_source
-      rake (>= 0.13)
+      rake (>= 12.2)
       thor (~> 1.0)
     rainbow (3.1.1)
     rake (13.0.6)
@@ -773,7 +773,7 @@ GEM
     rchardet (1.8.0)
     rdoc (6.4.0)
       psych (>= 4.0.0)
-    recaptcha (5.8.1)
+    recaptcha (5.9.0)
       json
     redcarpet (3.5.1)
     regexp_parser (2.2.1)
@@ -810,7 +810,7 @@ GEM
     rspec-mocks (3.11.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
-    rspec-rails (5.1.0)
+    rspec-rails (5.1.1)
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       railties (>= 5.2)
@@ -821,18 +821,18 @@ GEM
     rspec-retry (0.6.2)
       rspec-core (> 3.3)
     rspec-support (3.11.0)
-    rubocop (1.25.1)
+    rubocop (1.26.1)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 1.15.1, < 2.0)
+      rubocop-ast (>= 1.16.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.16.0)
       parser (>= 3.1.1.0)
-    rubocop-rails (2.13.2)
+    rubocop-rails (2.14.2)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.7.0, < 2.0)
@@ -874,16 +874,16 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
     semantic (1.6.1)
-    sentry-delayed_job (5.1.1)
+    sentry-delayed_job (5.2.1)
       delayed_job (>= 4.0)
-      sentry-ruby-core (~> 5.1.1)
-    sentry-rails (5.1.1)
+      sentry-ruby-core (~> 5.2.1)
+    sentry-rails (5.2.0)
       railties (>= 5.0)
-      sentry-ruby-core (~> 5.1.1)
-    sentry-ruby (5.1.1)
+      sentry-ruby-core (~> 5.2.0)
+    sentry-ruby (5.2.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      sentry-ruby-core (= 5.1.1)
-    sentry-ruby-core (5.1.1)
+      sentry-ruby-core (= 5.2.1)
+    sentry-ruby-core (5.2.1)
       concurrent-ruby
     shoulda-context (2.0.0)
     shoulda-matchers (5.1.0)
@@ -919,19 +919,19 @@ GEM
     test-prof (1.0.7)
     thor (1.2.1)
     tilt (2.0.10)
-    timecop (0.9.4)
+    timecop (0.9.5)
     trailblazer-option (0.1.2)
     ttfunk (1.7.0)
     typed_dag (2.0.2)
       rails (>= 5.0.4)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
-    tzinfo-data (1.2021.5)
+    tzinfo-data (1.2022.1)
       tzinfo (>= 1.0.0)
     uber (0.1.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.8)
+    unf_ext (0.0.8.1)
     unicode-display_width (2.1.0)
     uri_template (0.7.0)
     validate_email (0.1.6)
@@ -983,7 +983,7 @@ DEPENDENCIES
   aws-sdk-core (~> 3.107)
   aws-sdk-s3 (~> 1.91)
   bcrypt (~> 3.1.6)
-  bootsnap (~> 1.10.0)
+  bootsnap (~> 1.11.0)
   brakeman (~> 5.2.0)
   browser (~> 5.3.0)
   budgets!
@@ -1113,9 +1113,9 @@ DEPENDENCIES
   secure_headers (~> 6.3.0)
   selenium-webdriver (~> 4.0)
   semantic (~> 1.6.1)
-  sentry-delayed_job (~> 5.1.0)
-  sentry-rails (~> 5.1.0)
-  sentry-ruby (~> 5.1.0)
+  sentry-delayed_job (~> 5.2.0)
+  sentry-rails (~> 5.2.0)
+  sentry-ruby (~> 5.2.0)
   shoulda-context (~> 2.0)
   shoulda-matchers (~> 5.0)
   spring
@@ -1130,7 +1130,7 @@ DEPENDENCIES
   test-prof (~> 1.0.0)
   timecop (~> 0.9.0)
   typed_dag (~> 2.0.2)
-  tzinfo-data (~> 1.2021.1)
+  tzinfo-data (~> 1.2022.1)
   warden (~> 1.2)
   warden-basic_auth (~> 0.2.1)
   webdrivers (~> 5.0.0)
diff --git a/app/cells/individual_principal_base_filter_cell.rb b/app/cells/individual_principal_base_filter_cell.rb
index c8d8e87710..0d7afc4c5c 100644
--- a/app/cells/individual_principal_base_filter_cell.rb
+++ b/app/cells/individual_principal_base_filter_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/cells/placeholder_users/placeholder_user_filter_cell.rb b/app/cells/placeholder_users/placeholder_user_filter_cell.rb
index bce0fad023..df24652abf 100644
--- a/app/cells/placeholder_users/placeholder_user_filter_cell.rb
+++ b/app/cells/placeholder_users/placeholder_user_filter_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/cells/placeholder_users/row_cell.rb b/app/cells/placeholder_users/row_cell.rb
index daa22645df..ff94052fa2 100644
--- a/app/cells/placeholder_users/row_cell.rb
+++ b/app/cells/placeholder_users/row_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/cells/placeholder_users/table_cell.rb b/app/cells/placeholder_users/table_cell.rb
index 4efbdce8d1..2e106831ed 100644
--- a/app/cells/placeholder_users/table_cell.rb
+++ b/app/cells/placeholder_users/table_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/cells/user_filter_cell.rb b/app/cells/user_filter_cell.rb
index 740f1e4e05..ee1e93bdf9 100644
--- a/app/cells/user_filter_cell.rb
+++ b/app/cells/user_filter_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/cells/users/row_cell.rb b/app/cells/users/row_cell.rb
index 709555fb83..3c2da77fbf 100644
--- a/app/cells/users/row_cell.rb
+++ b/app/cells/users/row_cell.rb
@@ -33,6 +33,10 @@ module Users
       format_time user.last_login_on unless user.last_login_on.nil?
     end
 
+    def created_at
+      format_time user.created_at
+    end
+
     def status
       full_user_status user
     end
diff --git a/app/cells/users/user_filter_cell.rb b/app/cells/users/user_filter_cell.rb
index 9ecc25f473..7f9fbf8392 100644
--- a/app/cells/users/user_filter_cell.rb
+++ b/app/cells/users/user_filter_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/contracts/attachments/create_contract.rb b/app/contracts/attachments/create_contract.rb
index ae94dbd695..4375392869 100644
--- a/app/contracts/attachments/create_contract.rb
+++ b/app/contracts/attachments/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/attachments/delete_contract.rb b/app/contracts/attachments/delete_contract.rb
index 2fa81b5e69..475ba8aad4 100644
--- a/app/contracts/attachments/delete_contract.rb
+++ b/app/contracts/attachments/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/attachments/prepare_upload_contract.rb b/app/contracts/attachments/prepare_upload_contract.rb
index 184b542698..6f3382afe1 100644
--- a/app/contracts/attachments/prepare_upload_contract.rb
+++ b/app/contracts/attachments/prepare_upload_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/attachments/validate_replacements.rb b/app/contracts/attachments/validate_replacements.rb
index f98910bf66..48cad9d8a2 100644
--- a/app/contracts/attachments/validate_replacements.rb
+++ b/app/contracts/attachments/validate_replacements.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/attribute_help_texts/base_contract.rb b/app/contracts/attribute_help_texts/base_contract.rb
index 4c71668352..f3908eb116 100644
--- a/app/contracts/attribute_help_texts/base_contract.rb
+++ b/app/contracts/attribute_help_texts/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/attribute_help_texts/create_contract.rb b/app/contracts/attribute_help_texts/create_contract.rb
index a9d5d3908e..4508c7ba39 100644
--- a/app/contracts/attribute_help_texts/create_contract.rb
+++ b/app/contracts/attribute_help_texts/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/attribute_help_texts/update_contract.rb b/app/contracts/attribute_help_texts/update_contract.rb
index 5750ba25ea..533e15537b 100644
--- a/app/contracts/attribute_help_texts/update_contract.rb
+++ b/app/contracts/attribute_help_texts/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/authentication/omniauth_auth_hash_contract.rb b/app/contracts/authentication/omniauth_auth_hash_contract.rb
index 6d01e91088..f6669941aa 100644
--- a/app/contracts/authentication/omniauth_auth_hash_contract.rb
+++ b/app/contracts/authentication/omniauth_auth_hash_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/base_contract.rb b/app/contracts/base_contract.rb
index 00e1964f10..d02e09ce66 100644
--- a/app/contracts/base_contract.rb
+++ b/app/contracts/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/concerns/assignable_custom_field_values.rb b/app/contracts/concerns/assignable_custom_field_values.rb
index e4e09fd81b..63e118e2f1 100644
--- a/app/contracts/concerns/assignable_custom_field_values.rb
+++ b/app/contracts/concerns/assignable_custom_field_values.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/concerns/requires_admin_guard.rb b/app/contracts/concerns/requires_admin_guard.rb
index cc35f3956c..96992b4e3f 100644
--- a/app/contracts/concerns/requires_admin_guard.rb
+++ b/app/contracts/concerns/requires_admin_guard.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/concerns/requires_enterprise_guard.rb b/app/contracts/concerns/requires_enterprise_guard.rb
index a297763bcb..653c812e5c 100644
--- a/app/contracts/concerns/requires_enterprise_guard.rb
+++ b/app/contracts/concerns/requires_enterprise_guard.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/concerns/single_table_inheritance_model_contract.rb b/app/contracts/concerns/single_table_inheritance_model_contract.rb
index f21862c8ca..68a8f56109 100644
--- a/app/contracts/concerns/single_table_inheritance_model_contract.rb
+++ b/app/contracts/concerns/single_table_inheritance_model_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/concerns/unchanged_project.rb b/app/contracts/concerns/unchanged_project.rb
index 71cdb7d7a9..0b8a4b6e29 100644
--- a/app/contracts/concerns/unchanged_project.rb
+++ b/app/contracts/concerns/unchanged_project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/custom_actions/cu_contract.rb b/app/contracts/custom_actions/cu_contract.rb
index 8ba8fb2c10..d217346daf 100644
--- a/app/contracts/custom_actions/cu_contract.rb
+++ b/app/contracts/custom_actions/cu_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/custom_actions/execute_contract.rb b/app/contracts/custom_actions/execute_contract.rb
index 7f3c0b61e8..262bd6e338 100644
--- a/app/contracts/custom_actions/execute_contract.rb
+++ b/app/contracts/custom_actions/execute_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/custom_fields/base_contract.rb b/app/contracts/custom_fields/base_contract.rb
index 4bb1c0125f..d1bdb2bb23 100644
--- a/app/contracts/custom_fields/base_contract.rb
+++ b/app/contracts/custom_fields/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/custom_fields/create_contract.rb b/app/contracts/custom_fields/create_contract.rb
index 47ac493349..6ea1d059ca 100644
--- a/app/contracts/custom_fields/create_contract.rb
+++ b/app/contracts/custom_fields/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/custom_fields/update_contract.rb b/app/contracts/custom_fields/update_contract.rb
index ad9c02766e..8ee0073e56 100644
--- a/app/contracts/custom_fields/update_contract.rb
+++ b/app/contracts/custom_fields/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/empty_contract.rb b/app/contracts/empty_contract.rb
index 24062c0bcd..dc3218b6cd 100644
--- a/app/contracts/empty_contract.rb
+++ b/app/contracts/empty_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/groups/create_contract.rb b/app/contracts/groups/create_contract.rb
index 4f9801adea..4bc90a8373 100644
--- a/app/contracts/groups/create_contract.rb
+++ b/app/contracts/groups/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/groups/delete_contract.rb b/app/contracts/groups/delete_contract.rb
index 8d073e26bd..ef0e5d96fe 100644
--- a/app/contracts/groups/delete_contract.rb
+++ b/app/contracts/groups/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/groups/update_contract.rb b/app/contracts/groups/update_contract.rb
index 6d51325a4e..23c241a1a4 100644
--- a/app/contracts/groups/update_contract.rb
+++ b/app/contracts/groups/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/messages/base_contract.rb b/app/contracts/messages/base_contract.rb
index f6980656dd..9b887de052 100644
--- a/app/contracts/messages/base_contract.rb
+++ b/app/contracts/messages/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/messages/create_contract.rb b/app/contracts/messages/create_contract.rb
index d163c2c917..29a77b5280 100644
--- a/app/contracts/messages/create_contract.rb
+++ b/app/contracts/messages/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/messages/update_contract.rb b/app/contracts/messages/update_contract.rb
index e8287b71e2..cd0e7fa887 100644
--- a/app/contracts/messages/update_contract.rb
+++ b/app/contracts/messages/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/model_contract.rb b/app/contracts/model_contract.rb
index a01ab1c280..05f0678e38 100644
--- a/app/contracts/model_contract.rb
+++ b/app/contracts/model_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/oauth/application_contract.rb b/app/contracts/oauth/application_contract.rb
index 1d59aa7b34..87c0ee6bb8 100644
--- a/app/contracts/oauth/application_contract.rb
+++ b/app/contracts/oauth/application_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/params_contract.rb b/app/contracts/params_contract.rb
index 18df7e2905..72076c4a3a 100644
--- a/app/contracts/params_contract.rb
+++ b/app/contracts/params_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/placeholder_users/base_contract.rb b/app/contracts/placeholder_users/base_contract.rb
index 767c73903f..01b9d41978 100644
--- a/app/contracts/placeholder_users/base_contract.rb
+++ b/app/contracts/placeholder_users/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/placeholder_users/create_contract.rb b/app/contracts/placeholder_users/create_contract.rb
index 71712ee662..c7c2965c75 100644
--- a/app/contracts/placeholder_users/create_contract.rb
+++ b/app/contracts/placeholder_users/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/placeholder_users/delete_contract.rb b/app/contracts/placeholder_users/delete_contract.rb
index c5038c6a03..e4ddc12be9 100644
--- a/app/contracts/placeholder_users/delete_contract.rb
+++ b/app/contracts/placeholder_users/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/placeholder_users/update_contract.rb b/app/contracts/placeholder_users/update_contract.rb
index 4090b308f8..f21357791a 100644
--- a/app/contracts/placeholder_users/update_contract.rb
+++ b/app/contracts/placeholder_users/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/projects/base_contract.rb b/app/contracts/projects/base_contract.rb
index fd456f01b6..2f1d18ff83 100644
--- a/app/contracts/projects/base_contract.rb
+++ b/app/contracts/projects/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/projects/delete_contract.rb b/app/contracts/projects/delete_contract.rb
index d9ad66e4b3..585202062f 100644
--- a/app/contracts/projects/delete_contract.rb
+++ b/app/contracts/projects/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/queries/base_contract.rb b/app/contracts/queries/base_contract.rb
index ae8fdcbe9b..e2ed078289 100644
--- a/app/contracts/queries/base_contract.rb
+++ b/app/contracts/queries/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/queries/copy_contract.rb b/app/contracts/queries/copy_contract.rb
index 6822f0d2c9..0db3e6a064 100644
--- a/app/contracts/queries/copy_contract.rb
+++ b/app/contracts/queries/copy_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/queries/create_contract.rb b/app/contracts/queries/create_contract.rb
index 40d6987852..f2add2e0aa 100644
--- a/app/contracts/queries/create_contract.rb
+++ b/app/contracts/queries/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/queries/update_contract.rb b/app/contracts/queries/update_contract.rb
index 5454ef7ec1..875487c449 100644
--- a/app/contracts/queries/update_contract.rb
+++ b/app/contracts/queries/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/queries/update_form_contract.rb b/app/contracts/queries/update_form_contract.rb
index 1cb153fac2..a4e61cb205 100644
--- a/app/contracts/queries/update_form_contract.rb
+++ b/app/contracts/queries/update_form_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/relations/base_contract.rb b/app/contracts/relations/base_contract.rb
index 0191d9a389..9324780d69 100644
--- a/app/contracts/relations/base_contract.rb
+++ b/app/contracts/relations/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/relations/create_contract.rb b/app/contracts/relations/create_contract.rb
index 437707a558..07f557e77b 100644
--- a/app/contracts/relations/create_contract.rb
+++ b/app/contracts/relations/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/relations/delete_contract.rb b/app/contracts/relations/delete_contract.rb
index f33c33d28f..da722d02ab 100644
--- a/app/contracts/relations/delete_contract.rb
+++ b/app/contracts/relations/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/relations/update_contract.rb b/app/contracts/relations/update_contract.rb
index 6a0ba43f42..fd0a6ac9f4 100644
--- a/app/contracts/relations/update_contract.rb
+++ b/app/contracts/relations/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/roles/base_contract.rb b/app/contracts/roles/base_contract.rb
index 6f109215eb..199272c226 100644
--- a/app/contracts/roles/base_contract.rb
+++ b/app/contracts/roles/base_contract.rb
@@ -29,7 +29,6 @@
 module Roles
   class BaseContract < ::ModelContract
     attribute :name
-    attribute :assignable
 
     validate :check_permission_prerequisites
 
diff --git a/app/contracts/settings/update_contract.rb b/app/contracts/settings/update_contract.rb
index 87b8d7a5f3..e356859cb9 100644
--- a/app/contracts/settings/update_contract.rb
+++ b/app/contracts/settings/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/types/base_contract.rb b/app/contracts/types/base_contract.rb
index 3facf717a3..2a210c17bc 100644
--- a/app/contracts/types/base_contract.rb
+++ b/app/contracts/types/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/user_preferences/base_contract.rb b/app/contracts/user_preferences/base_contract.rb
index 41ea889100..1913fb9b3a 100644
--- a/app/contracts/user_preferences/base_contract.rb
+++ b/app/contracts/user_preferences/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/user_preferences/params_contract.rb b/app/contracts/user_preferences/params_contract.rb
index 681b0b617a..4cfa065734 100644
--- a/app/contracts/user_preferences/params_contract.rb
+++ b/app/contracts/user_preferences/params_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/user_preferences/update_contract.rb b/app/contracts/user_preferences/update_contract.rb
index 0a6ac457ad..fc74ca612f 100644
--- a/app/contracts/user_preferences/update_contract.rb
+++ b/app/contracts/user_preferences/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/users/base_contract.rb b/app/contracts/users/base_contract.rb
index 8fb4bd9b4b..e23c1cff00 100644
--- a/app/contracts/users/base_contract.rb
+++ b/app/contracts/users/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/users/create_contract.rb b/app/contracts/users/create_contract.rb
index 489bd0cd05..e7eeff6208 100644
--- a/app/contracts/users/create_contract.rb
+++ b/app/contracts/users/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/users/delete_contract.rb b/app/contracts/users/delete_contract.rb
index 34df307748..69bb2c21e3 100644
--- a/app/contracts/users/delete_contract.rb
+++ b/app/contracts/users/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/users/update_contract.rb b/app/contracts/users/update_contract.rb
index 95d458c323..f3556215e2 100644
--- a/app/contracts/users/update_contract.rb
+++ b/app/contracts/users/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/work_packages/base_contract.rb b/app/contracts/work_packages/base_contract.rb
index 5bd93663a1..ac0a98a58e 100644
--- a/app/contracts/work_packages/base_contract.rb
+++ b/app/contracts/work_packages/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/work_packages/create_contract.rb b/app/contracts/work_packages/create_contract.rb
index f962347d0a..ce675a6476 100644
--- a/app/contracts/work_packages/create_contract.rb
+++ b/app/contracts/work_packages/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/work_packages/create_note_contract.rb b/app/contracts/work_packages/create_note_contract.rb
index ac7e675485..61f34422ea 100644
--- a/app/contracts/work_packages/create_note_contract.rb
+++ b/app/contracts/work_packages/create_note_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/work_packages/delete_contract.rb b/app/contracts/work_packages/delete_contract.rb
index eb31dcf17d..9335f8fbd1 100644
--- a/app/contracts/work_packages/delete_contract.rb
+++ b/app/contracts/work_packages/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/contracts/work_packages/update_contract.rb b/app/contracts/work_packages/update_contract.rb
index beb50b9c99..5bc6cfb4ae 100644
--- a/app/contracts/work_packages/update_contract.rb
+++ b/app/contracts/work_packages/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index f99d361514..fd629c1399 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/activities_controller.rb b/app/controllers/activities_controller.rb
index 6994cbc42b..ac88c82d75 100644
--- a/app/controllers/activities_controller.rb
+++ b/app/controllers/activities_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/backups_controller.rb b/app/controllers/admin/backups_controller.rb
index 497c4bc85d..1c1de885fe 100644
--- a/app/controllers/admin/backups_controller.rb
+++ b/app/controllers/admin/backups_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/api_settings_controller.rb b/app/controllers/admin/settings/api_settings_controller.rb
index 1fb0d08618..ab4371803b 100644
--- a/app/controllers/admin/settings/api_settings_controller.rb
+++ b/app/controllers/admin/settings/api_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/attachments_settings_controller.rb b/app/controllers/admin/settings/attachments_settings_controller.rb
index 40d7331565..5c21aed299 100644
--- a/app/controllers/admin/settings/attachments_settings_controller.rb
+++ b/app/controllers/admin/settings/attachments_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/authentication_settings_controller.rb b/app/controllers/admin/settings/authentication_settings_controller.rb
index 1c662e8b06..522b2fa2a5 100644
--- a/app/controllers/admin/settings/authentication_settings_controller.rb
+++ b/app/controllers/admin/settings/authentication_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/display_settings_controller.rb b/app/controllers/admin/settings/display_settings_controller.rb
index c5242ada96..114f0a4d13 100644
--- a/app/controllers/admin/settings/display_settings_controller.rb
+++ b/app/controllers/admin/settings/display_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/general_settings_controller.rb b/app/controllers/admin/settings/general_settings_controller.rb
index d8e534aa31..1dd7f5a725 100644
--- a/app/controllers/admin/settings/general_settings_controller.rb
+++ b/app/controllers/admin/settings/general_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/incoming_mails_settings_controller.rb b/app/controllers/admin/settings/incoming_mails_settings_controller.rb
index 88d6f36bc4..2a36954238 100644
--- a/app/controllers/admin/settings/incoming_mails_settings_controller.rb
+++ b/app/controllers/admin/settings/incoming_mails_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/mail_notifications_settings_controller.rb b/app/controllers/admin/settings/mail_notifications_settings_controller.rb
index 305baee12f..eb8b27b69f 100644
--- a/app/controllers/admin/settings/mail_notifications_settings_controller.rb
+++ b/app/controllers/admin/settings/mail_notifications_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/notifications_settings_controller.rb b/app/controllers/admin/settings/notifications_settings_controller.rb
index c9de329fbf..694742c54a 100644
--- a/app/controllers/admin/settings/notifications_settings_controller.rb
+++ b/app/controllers/admin/settings/notifications_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/projects_settings_controller.rb b/app/controllers/admin/settings/projects_settings_controller.rb
index fa0c31e81d..cbf0e07294 100644
--- a/app/controllers/admin/settings/projects_settings_controller.rb
+++ b/app/controllers/admin/settings/projects_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/repositories_settings_controller.rb b/app/controllers/admin/settings/repositories_settings_controller.rb
index 04c8da87f3..6d95e33ebb 100644
--- a/app/controllers/admin/settings/repositories_settings_controller.rb
+++ b/app/controllers/admin/settings/repositories_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/users_settings_controller.rb b/app/controllers/admin/settings/users_settings_controller.rb
index e5a6b18a91..810d53f254 100644
--- a/app/controllers/admin/settings/users_settings_controller.rb
+++ b/app/controllers/admin/settings/users_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings/work_packages_settings_controller.rb b/app/controllers/admin/settings/work_packages_settings_controller.rb
index 1b7736a23b..8ea340fee5 100644
--- a/app/controllers/admin/settings/work_packages_settings_controller.rb
+++ b/app/controllers/admin/settings/work_packages_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin/settings_controller.rb b/app/controllers/admin/settings_controller.rb
index 0d643416e7..3b06d5d389 100644
--- a/app/controllers/admin/settings_controller.rb
+++ b/app/controllers/admin/settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index 188ed48c22..b35b6afa77 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/angular_controller.rb b/app/controllers/angular_controller.rb
index 36b22c061e..89fb3e5800 100644
--- a/app/controllers/angular_controller.rb
+++ b/app/controllers/angular_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/api_docs_controller.rb b/app/controllers/api_docs_controller.rb
index e86c277759..a6dda4b875 100644
--- a/app/controllers/api_docs_controller.rb
+++ b/app/controllers/api_docs_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 6c0e09624c..5606ab455e 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/attribute_help_texts_controller.rb b/app/controllers/attribute_help_texts_controller.rb
index d143c925eb..87672b834f 100644
--- a/app/controllers/attribute_help_texts_controller.rb
+++ b/app/controllers/attribute_help_texts_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/auth_sources_controller.rb b/app/controllers/auth_sources_controller.rb
index b522cc726e..811fc2a7fd 100644
--- a/app/controllers/auth_sources_controller.rb
+++ b/app/controllers/auth_sources_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index 892bce0134..9b72afaeea 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/colors_controller.rb b/app/controllers/colors_controller.rb
index 4d9344c49e..8aa820d143 100644
--- a/app/controllers/colors_controller.rb
+++ b/app/controllers/colors_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/concerns/layout.rb b/app/controllers/concerns/layout.rb
index 7fb75715ac..746336d2d0 100644
--- a/app/controllers/concerns/layout.rb
+++ b/app/controllers/concerns/layout.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/custom_actions_controller.rb b/app/controllers/custom_actions_controller.rb
index 23a7aeac5d..3ca9b4ae05 100644
--- a/app/controllers/custom_actions_controller.rb
+++ b/app/controllers/custom_actions_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/custom_fields_controller.rb b/app/controllers/custom_fields_controller.rb
index 3678e0487c..195416d0b3 100644
--- a/app/controllers/custom_fields_controller.rb
+++ b/app/controllers/custom_fields_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/custom_styles_controller.rb b/app/controllers/custom_styles_controller.rb
index 70c023b491..ce61f20a0f 100644
--- a/app/controllers/custom_styles_controller.rb
+++ b/app/controllers/custom_styles_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/enumerations_controller.rb b/app/controllers/enumerations_controller.rb
index b389c4ed6b..8225196ec6 100644
--- a/app/controllers/enumerations_controller.rb
+++ b/app/controllers/enumerations_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/forums_controller.rb b/app/controllers/forums_controller.rb
index 5a6e005639..01865435c1 100644
--- a/app/controllers/forums_controller.rb
+++ b/app/controllers/forums_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index 45477671cb..378dd061a5 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/help_controller.rb b/app/controllers/help_controller.rb
index f654496dbd..b027f5d6be 100644
--- a/app/controllers/help_controller.rb
+++ b/app/controllers/help_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/highlighting_controller.rb b/app/controllers/highlighting_controller.rb
index ef34323ef2..7f817d65e1 100644
--- a/app/controllers/highlighting_controller.rb
+++ b/app/controllers/highlighting_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/homescreen_controller.rb b/app/controllers/homescreen_controller.rb
index dabdfa1080..9cb2cee774 100644
--- a/app/controllers/homescreen_controller.rb
+++ b/app/controllers/homescreen_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/journals_controller.rb b/app/controllers/journals_controller.rb
index 5edbcedd18..d493f95529 100644
--- a/app/controllers/journals_controller.rb
+++ b/app/controllers/journals_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/ldap_auth_sources_controller.rb b/app/controllers/ldap_auth_sources_controller.rb
index eaf0ff2b26..682e5d915b 100644
--- a/app/controllers/ldap_auth_sources_controller.rb
+++ b/app/controllers/ldap_auth_sources_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/members_controller.rb b/app/controllers/members_controller.rb
index 5fcdb73ad3..d90e77c578 100644
--- a/app/controllers/members_controller.rb
+++ b/app/controllers/members_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index e44a51c67f..1c0f36281f 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/my_controller.rb b/app/controllers/my_controller.rb
index 7e26f407ee..d3563fed65 100644
--- a/app/controllers/my_controller.rb
+++ b/app/controllers/my_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/news/comments_controller.rb b/app/controllers/news/comments_controller.rb
index 95d34eaa55..3398dde9a1 100644
--- a/app/controllers/news/comments_controller.rb
+++ b/app/controllers/news/comments_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/news_controller.rb b/app/controllers/news_controller.rb
index 26c15b0fb6..7380283f7b 100644
--- a/app/controllers/news_controller.rb
+++ b/app/controllers/news_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/oauth/applications_controller.rb b/app/controllers/oauth/applications_controller.rb
index 000a4617fa..b6140f6302 100644
--- a/app/controllers/oauth/applications_controller.rb
+++ b/app/controllers/oauth/applications_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/oauth/auth_base_controller.rb b/app/controllers/oauth/auth_base_controller.rb
index 1947acabb4..560873907f 100644
--- a/app/controllers/oauth/auth_base_controller.rb
+++ b/app/controllers/oauth/auth_base_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/oauth/grants_controller.rb b/app/controllers/oauth/grants_controller.rb
index d2c1623c5e..3510fde9a5 100644
--- a/app/controllers/oauth/grants_controller.rb
+++ b/app/controllers/oauth/grants_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/onboarding_controller.rb b/app/controllers/onboarding_controller.rb
index 17ce52ccb9..f7cc792b1f 100644
--- a/app/controllers/onboarding_controller.rb
+++ b/app/controllers/onboarding_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/placeholder_users/memberships_controller.rb b/app/controllers/placeholder_users/memberships_controller.rb
index bef11f9d71..77568aa827 100644
--- a/app/controllers/placeholder_users/memberships_controller.rb
+++ b/app/controllers/placeholder_users/memberships_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/controllers/placeholder_users_controller.rb b/app/controllers/placeholder_users_controller.rb
index 5fe5764d3d..3eb981ff97 100644
--- a/app/controllers/placeholder_users_controller.rb
+++ b/app/controllers/placeholder_users_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/controllers/projects/archive_controller.rb b/app/controllers/projects/archive_controller.rb
index eca5a76176..144a7a446c 100644
--- a/app/controllers/projects/archive_controller.rb
+++ b/app/controllers/projects/archive_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/identifier_controller.rb b/app/controllers/projects/identifier_controller.rb
index 2932dff05c..5cc72d8766 100644
--- a/app/controllers/projects/identifier_controller.rb
+++ b/app/controllers/projects/identifier_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings/categories_controller.rb b/app/controllers/projects/settings/categories_controller.rb
index e9d50d748c..76bc011f38 100644
--- a/app/controllers/projects/settings/categories_controller.rb
+++ b/app/controllers/projects/settings/categories_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings/custom_fields_controller.rb b/app/controllers/projects/settings/custom_fields_controller.rb
index cde0fab36f..cc4e2549a9 100644
--- a/app/controllers/projects/settings/custom_fields_controller.rb
+++ b/app/controllers/projects/settings/custom_fields_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings/general_controller.rb b/app/controllers/projects/settings/general_controller.rb
index 130b84d76f..c1cdc7a3c6 100644
--- a/app/controllers/projects/settings/general_controller.rb
+++ b/app/controllers/projects/settings/general_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings/modules_controller.rb b/app/controllers/projects/settings/modules_controller.rb
index 0949783bbe..ff9d922367 100644
--- a/app/controllers/projects/settings/modules_controller.rb
+++ b/app/controllers/projects/settings/modules_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings/repository_controller.rb b/app/controllers/projects/settings/repository_controller.rb
index e76b01eb6f..58d9347f98 100644
--- a/app/controllers/projects/settings/repository_controller.rb
+++ b/app/controllers/projects/settings/repository_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings/storage_controller.rb b/app/controllers/projects/settings/storage_controller.rb
index 6d583f0129..46c5dbaa7e 100644
--- a/app/controllers/projects/settings/storage_controller.rb
+++ b/app/controllers/projects/settings/storage_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings/types_controller.rb b/app/controllers/projects/settings/types_controller.rb
index 8a63f04b5a..30cc0510d0 100644
--- a/app/controllers/projects/settings/types_controller.rb
+++ b/app/controllers/projects/settings/types_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings/versions_controller.rb b/app/controllers/projects/settings/versions_controller.rb
index f8a971622f..f3bf823f23 100644
--- a/app/controllers/projects/settings/versions_controller.rb
+++ b/app/controllers/projects/settings/versions_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/settings_controller.rb b/app/controllers/projects/settings_controller.rb
index dc1f832576..7eb8c891cf 100644
--- a/app/controllers/projects/settings_controller.rb
+++ b/app/controllers/projects/settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects/templated_controller.rb b/app/controllers/projects/templated_controller.rb
index 6357a0552e..8fcae796d5 100644
--- a/app/controllers/projects/templated_controller.rb
+++ b/app/controllers/projects/templated_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index ae8a7789e7..73b271cebc 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 5d4022f06b..b60825438d 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/roles_controller.rb b/app/controllers/roles_controller.rb
index 125df1c82f..16a5f3da00 100644
--- a/app/controllers/roles_controller.rb
+++ b/app/controllers/roles_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/search_controller.rb b/app/controllers/search_controller.rb
index 9972b6954d..75cf61d69f 100644
--- a/app/controllers/search_controller.rb
+++ b/app/controllers/search_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/statuses_controller.rb b/app/controllers/statuses_controller.rb
index f6acf431a6..ebb3822fb3 100644
--- a/app/controllers/statuses_controller.rb
+++ b/app/controllers/statuses_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/sys_controller.rb b/app/controllers/sys_controller.rb
index a8a429928a..9db52b32cd 100644
--- a/app/controllers/sys_controller.rb
+++ b/app/controllers/sys_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/types_controller.rb b/app/controllers/types_controller.rb
index 51b0f07caf..a381f4a0c2 100644
--- a/app/controllers/types_controller.rb
+++ b/app/controllers/types_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/users/memberships_controller.rb b/app/controllers/users/memberships_controller.rb
index bb32c723ed..a2a12dcb28 100644
--- a/app/controllers/users/memberships_controller.rb
+++ b/app/controllers/users/memberships_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 5ec5df6fa0..6fc99fd69d 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/versions_controller.rb b/app/controllers/versions_controller.rb
index 79e7fbd3a8..5ba93f9927 100644
--- a/app/controllers/versions_controller.rb
+++ b/app/controllers/versions_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/watchers_controller.rb b/app/controllers/watchers_controller.rb
index a16dba4abe..148d054350 100644
--- a/app/controllers/watchers_controller.rb
+++ b/app/controllers/watchers_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/wiki_controller.rb b/app/controllers/wiki_controller.rb
index 83900962c3..202171d3c0 100644
--- a/app/controllers/wiki_controller.rb
+++ b/app/controllers/wiki_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/wiki_menu_items_controller.rb b/app/controllers/wiki_menu_items_controller.rb
index 9d75b518cb..954d927107 100644
--- a/app/controllers/wiki_menu_items_controller.rb
+++ b/app/controllers/wiki_menu_items_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/work_packages/auto_completes_controller.rb b/app/controllers/work_packages/auto_completes_controller.rb
index e5a98867b9..93a972290d 100644
--- a/app/controllers/work_packages/auto_completes_controller.rb
+++ b/app/controllers/work_packages/auto_completes_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/work_packages/bulk_controller.rb b/app/controllers/work_packages/bulk_controller.rb
index 41910fbff3..df7d46e586 100644
--- a/app/controllers/work_packages/bulk_controller.rb
+++ b/app/controllers/work_packages/bulk_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/work_packages/flash_bulk_error.rb b/app/controllers/work_packages/flash_bulk_error.rb
index c8206cb633..d59500ee9f 100644
--- a/app/controllers/work_packages/flash_bulk_error.rb
+++ b/app/controllers/work_packages/flash_bulk_error.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/work_packages/moves_controller.rb b/app/controllers/work_packages/moves_controller.rb
index 681b369a43..1cd45a9422 100644
--- a/app/controllers/work_packages/moves_controller.rb
+++ b/app/controllers/work_packages/moves_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/work_packages/reports_controller.rb b/app/controllers/work_packages/reports_controller.rb
index f971496433..c849824c89 100644
--- a/app/controllers/work_packages/reports_controller.rb
+++ b/app/controllers/work_packages/reports_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/work_packages_controller.rb b/app/controllers/work_packages_controller.rb
index 3b03e56a7b..616f8f66ca 100644
--- a/app/controllers/work_packages_controller.rb
+++ b/app/controllers/work_packages_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/controllers/workflows_controller.rb b/app/controllers/workflows_controller.rb
index 71eb2b8a24..6352bb46f8 100644
--- a/app/controllers/workflows_controller.rb
+++ b/app/controllers/workflows_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/accessibility_helper.rb b/app/helpers/accessibility_helper.rb
index 540ba6c7bc..9e4e37b356 100644
--- a/app/helpers/accessibility_helper.rb
+++ b/app/helpers/accessibility_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/admin_helper.rb b/app/helpers/admin_helper.rb
index aa64a0053e..3ee9dfe089 100644
--- a/app/helpers/admin_helper.rb
+++ b/app/helpers/admin_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/angular_helper.rb b/app/helpers/angular_helper.rb
index be0a00394f..93457ae2c9 100644
--- a/app/helpers/angular_helper.rb
+++ b/app/helpers/angular_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 31c0978f98..cc5061040e 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/attachments_helper.rb b/app/helpers/attachments_helper.rb
index 2f232d1c84..dc551a3007 100644
--- a/app/helpers/attachments_helper.rb
+++ b/app/helpers/attachments_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/attribute_help_texts_helper.rb b/app/helpers/attribute_help_texts_helper.rb
index a9cdf050bb..9e40ff4d18 100644
--- a/app/helpers/attribute_help_texts_helper.rb
+++ b/app/helpers/attribute_help_texts_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/augmenting_helper.rb b/app/helpers/augmenting_helper.rb
index a09b290245..b9d6a37e96 100644
--- a/app/helpers/augmenting_helper.rb
+++ b/app/helpers/augmenting_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/authentication_stage_path_helper.rb b/app/helpers/authentication_stage_path_helper.rb
index a5154338a2..af5437d535 100644
--- a/app/helpers/authentication_stage_path_helper.rb
+++ b/app/helpers/authentication_stage_path_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/avatar_helper.rb b/app/helpers/avatar_helper.rb
index b2ade90c9e..40dadf9c3a 100644
--- a/app/helpers/avatar_helper.rb
+++ b/app/helpers/avatar_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/backup_helper.rb b/app/helpers/backup_helper.rb
index bdbe46e1f2..96188c0f13 100644
--- a/app/helpers/backup_helper.rb
+++ b/app/helpers/backup_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/breadcrumb_helper.rb b/app/helpers/breadcrumb_helper.rb
index d1f344c52e..96a3f5885e 100644
--- a/app/helpers/breadcrumb_helper.rb
+++ b/app/helpers/breadcrumb_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/calendars_helper.rb b/app/helpers/calendars_helper.rb
index 479f94112e..349bf02490 100644
--- a/app/helpers/calendars_helper.rb
+++ b/app/helpers/calendars_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/colors_helper.rb b/app/helpers/colors_helper.rb
index 53e7946104..84c9adbb80 100644
--- a/app/helpers/colors_helper.rb
+++ b/app/helpers/colors_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/content_for_helper.rb b/app/helpers/content_for_helper.rb
index 51b9fcd01a..bc84cdc8bd 100644
--- a/app/helpers/content_for_helper.rb
+++ b/app/helpers/content_for_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/custom_fields_helper.rb b/app/helpers/custom_fields_helper.rb
index c53496f3ab..fff0e6645b 100644
--- a/app/helpers/custom_fields_helper.rb
+++ b/app/helpers/custom_fields_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/custom_styles_helper.rb b/app/helpers/custom_styles_helper.rb
index 6d1a7313f6..5dd9c8d09b 100644
--- a/app/helpers/custom_styles_helper.rb
+++ b/app/helpers/custom_styles_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/error_message_helper.rb b/app/helpers/error_message_helper.rb
index 80494d9517..98ccda7661 100644
--- a/app/helpers/error_message_helper.rb
+++ b/app/helpers/error_message_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/errors_helper.rb b/app/helpers/errors_helper.rb
index 70963ccbd1..380e672318 100644
--- a/app/helpers/errors_helper.rb
+++ b/app/helpers/errors_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/frontend_asset_helper.rb b/app/helpers/frontend_asset_helper.rb
index 6a3374482c..8ffe43dffc 100644
--- a/app/helpers/frontend_asset_helper.rb
+++ b/app/helpers/frontend_asset_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/groups_helper.rb b/app/helpers/groups_helper.rb
index 0e4ba79c4f..7ef00ec35c 100644
--- a/app/helpers/groups_helper.rb
+++ b/app/helpers/groups_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/hide_sections_helper.rb b/app/helpers/hide_sections_helper.rb
index 4f4ed21a72..e721e6add4 100644
--- a/app/helpers/hide_sections_helper.rb
+++ b/app/helpers/hide_sections_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/homescreen_helper.rb b/app/helpers/homescreen_helper.rb
index f89ad87576..9ec35de67e 100644
--- a/app/helpers/homescreen_helper.rb
+++ b/app/helpers/homescreen_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/icons_helper.rb b/app/helpers/icons_helper.rb
index 391a6d0b22..b80ba754ee 100644
--- a/app/helpers/icons_helper.rb
+++ b/app/helpers/icons_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/individual_principal_hooks_helper.rb b/app/helpers/individual_principal_hooks_helper.rb
index 71a9747647..8a88e734f4 100644
--- a/app/helpers/individual_principal_hooks_helper.rb
+++ b/app/helpers/individual_principal_hooks_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/mail_digest_helper.rb b/app/helpers/mail_digest_helper.rb
index 5915252dfe..78e27cd206 100644
--- a/app/helpers/mail_digest_helper.rb
+++ b/app/helpers/mail_digest_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/mail_notification_helper.rb b/app/helpers/mail_notification_helper.rb
index cb9c9c9244..65b9fb5bc0 100644
--- a/app/helpers/mail_notification_helper.rb
+++ b/app/helpers/mail_notification_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/members_helper.rb b/app/helpers/members_helper.rb
index 6a90a5e6e3..524dbda65f 100644
--- a/app/helpers/members_helper.rb
+++ b/app/helpers/members_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/messages_helper.rb b/app/helpers/messages_helper.rb
index 6a2dbf3401..c66fee57a1 100644
--- a/app/helpers/messages_helper.rb
+++ b/app/helpers/messages_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/meta_tags_helper.rb b/app/helpers/meta_tags_helper.rb
index ee5b8cc60d..f0d6dd0107 100644
--- a/app/helpers/meta_tags_helper.rb
+++ b/app/helpers/meta_tags_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/no_results_helper.rb b/app/helpers/no_results_helper.rb
index e355c2d06d..310537f204 100644
--- a/app/helpers/no_results_helper.rb
+++ b/app/helpers/no_results_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/oauth_helper.rb b/app/helpers/oauth_helper.rb
index c6bbfb8733..7143e06890 100644
--- a/app/helpers/oauth_helper.rb
+++ b/app/helpers/oauth_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/omniauth_helper.rb b/app/helpers/omniauth_helper.rb
index 159639074b..947c4bd32c 100644
--- a/app/helpers/omniauth_helper.rb
+++ b/app/helpers/omniauth_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/pagination_helper.rb b/app/helpers/pagination_helper.rb
index f788fcac3d..3502f1c986 100644
--- a/app/helpers/pagination_helper.rb
+++ b/app/helpers/pagination_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/password_helper.rb b/app/helpers/password_helper.rb
index 51bedcf75b..fcb61232d3 100644
--- a/app/helpers/password_helper.rb
+++ b/app/helpers/password_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/placeholder_users_helper.rb b/app/helpers/placeholder_users_helper.rb
index 54dda2f11d..c493ca4b70 100644
--- a/app/helpers/placeholder_users_helper.rb
+++ b/app/helpers/placeholder_users_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/project_status_helper.rb b/app/helpers/project_status_helper.rb
index 70a1acef25..adb77802dd 100644
--- a/app/helpers/project_status_helper.rb
+++ b/app/helpers/project_status_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index 16fe8d02de..f1cbb1fb83 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/queries_helper.rb b/app/helpers/queries_helper.rb
index 34c2b0e9e0..a6f2d7c45b 100644
--- a/app/helpers/queries_helper.rb
+++ b/app/helpers/queries_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/relations_helper.rb b/app/helpers/relations_helper.rb
index 84d8992fa3..6420ce95a7 100644
--- a/app/helpers/relations_helper.rb
+++ b/app/helpers/relations_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/removed_js_helpers_helper.rb b/app/helpers/removed_js_helpers_helper.rb
index 570aa5065a..1d1c6f8610 100644
--- a/app/helpers/removed_js_helpers_helper.rb
+++ b/app/helpers/removed_js_helpers_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/reorder_links_helper.rb b/app/helpers/reorder_links_helper.rb
index 4980a6f423..0bb6c27ee8 100644
--- a/app/helpers/reorder_links_helper.rb
+++ b/app/helpers/reorder_links_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/reports_helper.rb b/app/helpers/reports_helper.rb
index 57fc8e065d..7e18c1a479 100644
--- a/app/helpers/reports_helper.rb
+++ b/app/helpers/reports_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/repositories_helper.rb b/app/helpers/repositories_helper.rb
index 964fa3f42c..697db19e11 100644
--- a/app/helpers/repositories_helper.rb
+++ b/app/helpers/repositories_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/roles_helper.rb b/app/helpers/roles_helper.rb
index a85e97a5f5..500ee75ae4 100644
--- a/app/helpers/roles_helper.rb
+++ b/app/helpers/roles_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/search_helper.rb b/app/helpers/search_helper.rb
index 7167d16f53..06c6cea82e 100644
--- a/app/helpers/search_helper.rb
+++ b/app/helpers/search_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/security_badge_helper.rb b/app/helpers/security_badge_helper.rb
index 1dc990f337..be9d9641ec 100644
--- a/app/helpers/security_badge_helper.rb
+++ b/app/helpers/security_badge_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/settings_helper.rb b/app/helpers/settings_helper.rb
index 8a2bf60ec3..41e9a25163 100644
--- a/app/helpers/settings_helper.rb
+++ b/app/helpers/settings_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/sort_helper.rb b/app/helpers/sort_helper.rb
index 54379e736e..63606abb86 100644
--- a/app/helpers/sort_helper.rb
+++ b/app/helpers/sort_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/static_links_helper.rb b/app/helpers/static_links_helper.rb
index 4800468470..7ac13ce8ab 100644
--- a/app/helpers/static_links_helper.rb
+++ b/app/helpers/static_links_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/tabs_helper.rb b/app/helpers/tabs_helper.rb
index e0bc68d219..5af3f6e433 100644
--- a/app/helpers/tabs_helper.rb
+++ b/app/helpers/tabs_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/text_formatting_helper.rb b/app/helpers/text_formatting_helper.rb
index 20662a339e..6a355b861d 100644
--- a/app/helpers/text_formatting_helper.rb
+++ b/app/helpers/text_formatting_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/tooltip_helper.rb b/app/helpers/tooltip_helper.rb
index f8b9529829..f28d59a348 100644
--- a/app/helpers/tooltip_helper.rb
+++ b/app/helpers/tooltip_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/types_helper.rb b/app/helpers/types_helper.rb
index 97a96a595a..ccac5de682 100644
--- a/app/helpers/types_helper.rb
+++ b/app/helpers/types_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/user_consent_helper.rb b/app/helpers/user_consent_helper.rb
index 62c082c039..f529eebc88 100644
--- a/app/helpers/user_consent_helper.rb
+++ b/app/helpers/user_consent_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/users_helper.rb b/app/helpers/users_helper.rb
index ce29f8e824..2507391b5c 100644
--- a/app/helpers/users_helper.rb
+++ b/app/helpers/users_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/warning_bar_helper.rb b/app/helpers/warning_bar_helper.rb
index 133b7b49ea..40c47fe9f8 100644
--- a/app/helpers/warning_bar_helper.rb
+++ b/app/helpers/warning_bar_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/watchers_helper.rb b/app/helpers/watchers_helper.rb
index 926d02c5d9..3031df9787 100644
--- a/app/helpers/watchers_helper.rb
+++ b/app/helpers/watchers_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/wiki_helper.rb b/app/helpers/wiki_helper.rb
index 4f633679a3..fb48d724b5 100644
--- a/app/helpers/wiki_helper.rb
+++ b/app/helpers/wiki_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/work_packages_filter_helper.rb b/app/helpers/work_packages_filter_helper.rb
index 2c5bf910f5..ffbe1e7278 100644
--- a/app/helpers/work_packages_filter_helper.rb
+++ b/app/helpers/work_packages_filter_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/helpers/work_packages_helper.rb b/app/helpers/work_packages_helper.rb
index 5ba4ac75da..5a73156943 100644
--- a/app/helpers/work_packages_helper.rb
+++ b/app/helpers/work_packages_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
index 8ac0894cc5..fede49e4df 100644
--- a/app/mailers/application_mailer.rb
+++ b/app/mailers/application_mailer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/mailers/digest_mailer.rb b/app/mailers/digest_mailer.rb
index dbf2988cee..7b90726f06 100644
--- a/app/mailers/digest_mailer.rb
+++ b/app/mailers/digest_mailer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/mailers/member_mailer.rb b/app/mailers/member_mailer.rb
index 98c87b3858..4b6b509a75 100644
--- a/app/mailers/member_mailer.rb
+++ b/app/mailers/member_mailer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/mailers/project_mailer.rb b/app/mailers/project_mailer.rb
index e0ed62e1e8..6e470a2526 100644
--- a/app/mailers/project_mailer.rb
+++ b/app/mailers/project_mailer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/mailers/user_mailer.rb b/app/mailers/user_mailer.rb
index dfebda3e50..7a8b4cfb80 100644
--- a/app/mailers/user_mailer.rb
+++ b/app/mailers/user_mailer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/mailers/work_package_mailer.rb b/app/mailers/work_package_mailer.rb
index 5ef82dadaf..45bec188f8 100644
--- a/app/mailers/work_package_mailer.rb
+++ b/app/mailers/work_package_mailer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/action.rb b/app/models/action.rb
index 0d28bb31b1..9a531b9f4a 100644
--- a/app/models/action.rb
+++ b/app/models/action.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/actions/scopes/default.rb b/app/models/actions/scopes/default.rb
index 381ec6c2db..f4d868a1d0 100644
--- a/app/models/actions/scopes/default.rb
+++ b/app/models/actions/scopes/default.rb
@@ -32,12 +32,13 @@ module Actions::Scopes
 
     class_methods do
       def default
-        capabilities_sql = <<~SQL
-          (SELECT id, permission, global, module FROM (VALUES #{action_map}) AS t(id, permission, global, module)) actions
+        actions_sql = <<~SQL.squish
+          (SELECT id, permission, global, module, grant_to_admin
+           FROM (VALUES #{action_map}) AS t(id, permission, global, module, grant_to_admin)) actions
         SQL
 
         select('actions.*')
-          .from(capabilities_sql)
+          .from(actions_sql)
       end
 
       private
@@ -45,18 +46,19 @@ module Actions::Scopes
       def action_map
         OpenProject::AccessControl
           .contract_actions_map
-          .map { |permission, v| map_actions(permission, v[:actions], v[:global], v[:module]) }
+          .map { |permission, v| map_actions(permission, **v) }
           .flatten
           .join(', ')
       end
 
-      def map_actions(permission, actions, global, module_name)
+      def map_actions(permission, actions:, global:, module_name:, grant_to_admin:)
         actions.map do |namespace, actions|
           actions.map do |action|
             values = [quote_string("#{action_v3_name(namespace)}/#{action}"),
                       quote_string(permission),
                       global,
-                      module_name ? quote_string(module_name) : 'NULL'].join(', ')
+                      module_name ? quote_string(module_name) : 'NULL',
+                      grant_to_admin].join(', ')
 
             "(#{values})"
           end
diff --git a/app/models/activities/base_activity_provider.rb b/app/models/activities/base_activity_provider.rb
index 66501a110a..7f51b4ca65 100644
--- a/app/models/activities/base_activity_provider.rb
+++ b/app/models/activities/base_activity_provider.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/activities/changeset_activity_provider.rb b/app/models/activities/changeset_activity_provider.rb
index 48858f5915..4f4d4ff733 100644
--- a/app/models/activities/changeset_activity_provider.rb
+++ b/app/models/activities/changeset_activity_provider.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/activities/fetcher.rb b/app/models/activities/fetcher.rb
index 29df40c35b..51b71bb412 100644
--- a/app/models/activities/fetcher.rb
+++ b/app/models/activities/fetcher.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -48,7 +46,7 @@ module Activities
 
     # Returns an array of available event types
     def event_types
-      @event_types ||= begin
+      @event_types ||=
         if @project
           OpenProject::Activity.available_event_types.select do |o|
             @project.self_and_descendants.detect do |_p|
@@ -60,9 +58,8 @@ module Activities
             end
           end
         else
-          OpenProject::Activity.available_event_types
+          OpenProject::Activity.available_event_types.to_a
         end
-      end
     end
 
     # Returns an array of events for the given date range
@@ -92,7 +89,7 @@ module Activities
 
     # Resets the scope to the default scope
     def default_scope!
-      @scope = OpenProject::Activity.default_event_types
+      @scope = OpenProject::Activity.default_event_types.to_a
     end
 
     def events_from_providers(from, to, limit)
diff --git a/app/models/activities/message_activity_provider.rb b/app/models/activities/message_activity_provider.rb
index 7ccf0a8d84..f956638e1f 100644
--- a/app/models/activities/message_activity_provider.rb
+++ b/app/models/activities/message_activity_provider.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/activities/news_activity_provider.rb b/app/models/activities/news_activity_provider.rb
index 494bbe8a49..4429704429 100644
--- a/app/models/activities/news_activity_provider.rb
+++ b/app/models/activities/news_activity_provider.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/activities/wiki_content_activity_provider.rb b/app/models/activities/wiki_content_activity_provider.rb
index 5f1ff8e82d..4ba7d53030 100644
--- a/app/models/activities/wiki_content_activity_provider.rb
+++ b/app/models/activities/wiki_content_activity_provider.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/activities/work_package_activity_provider.rb b/app/models/activities/work_package_activity_provider.rb
index eaaf7dc62f..92fe4f71ab 100644
--- a/app/models/activities/work_package_activity_provider.rb
+++ b/app/models/activities/work_package_activity_provider.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/anonymous_user.rb b/app/models/anonymous_user.rb
index a9d95a9b54..3aef1b0597 100644
--- a/app/models/anonymous_user.rb
+++ b/app/models/anonymous_user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/models/associations/groupable.rb b/app/models/associations/groupable.rb
index a552c28703..9c411a4ade 100644
--- a/app/models/associations/groupable.rb
+++ b/app/models/associations/groupable.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index 34581acada..ba21fcc0a4 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/auth_source.rb b/app/models/auth_source.rb
index 981a46a335..7b9d176f9f 100644
--- a/app/models/auth_source.rb
+++ b/app/models/auth_source.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/capabilities/scopes/default.rb b/app/models/capabilities/scopes/default.rb
index 322b081644..ad3a7c4f97 100644
--- a/app/models/capabilities/scopes/default.rb
+++ b/app/models/capabilities/scopes/default.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -36,7 +34,7 @@ module Capabilities::Scopes
       # Currently, this does not reflect the behaviour present in the backend that every permission in at least one project
       # leads to having that permission in the global context as well. Hopefully, this is not necessary to be added.
       def default
-        capabilities_sql = <<~SQL
+        capabilities_sql = <<~SQL.squish
           (
             #{default_sql_by_member}
             UNION
@@ -53,7 +51,7 @@ module Capabilities::Scopes
       private
 
       def default_sql_by_member
-        <<~SQL
+        <<~SQL.squish
           SELECT DISTINCT
             actions.id "action",
             users.id principal_id,
@@ -76,14 +74,14 @@ module Capabilities::Scopes
       end
 
       def default_sql_by_admin
-        <<~SQL
+        <<~SQL.squish
           SELECT DISTINCT
             actions.id "action",
             users.id principal_id,
             projects.id context_id
           FROM (#{Action.default.to_sql}) actions
           JOIN (#{Principal.visible.not_builtin.not_locked.to_sql}) users
-            ON "users".admin = true
+            ON "users".admin = true AND actions.grant_to_admin = true
           LEFT OUTER JOIN "projects"
             ON "projects".active = true
             AND NOT "actions".global
@@ -95,7 +93,7 @@ module Capabilities::Scopes
       end
 
       def default_sql_by_non_member
-        <<~SQL
+        <<~SQL.squish
           SELECT DISTINCT
             actions.id "action",
             users.id principal_id,
diff --git a/app/models/capability.rb b/app/models/capability.rb
index c3380ac2ad..3635230a45 100644
--- a/app/models/capability.rb
+++ b/app/models/capability.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/category.rb b/app/models/category.rb
index 90ad0cb424..d0f14d1038 100644
--- a/app/models/category.rb
+++ b/app/models/category.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/change.rb b/app/models/change.rb
index b9a2410458..d1f606efbb 100644
--- a/app/models/change.rb
+++ b/app/models/change.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/changeset.rb b/app/models/changeset.rb
index f53a3b52c2..07e304be94 100644
--- a/app/models/changeset.rb
+++ b/app/models/changeset.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/color.rb b/app/models/color.rb
index e73172d645..20468ac790 100644
--- a/app/models/color.rb
+++ b/app/models/color.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/comment.rb b/app/models/comment.rb
index 82d1b208ec..c9a8aee129 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_action.rb b/app/models/custom_action.rb
index ec81b31749..85af2d250c 100644
--- a/app/models/custom_action.rb
+++ b/app/models/custom_action.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/assigned_to.rb b/app/models/custom_actions/actions/assigned_to.rb
index 9a372c1cfd..851932b958 100644
--- a/app/models/custom_actions/actions/assigned_to.rb
+++ b/app/models/custom_actions/actions/assigned_to.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/base.rb b/app/models/custom_actions/actions/base.rb
index aa9a37a659..2d000d5521 100644
--- a/app/models/custom_actions/actions/base.rb
+++ b/app/models/custom_actions/actions/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/custom_field.rb b/app/models/custom_actions/actions/custom_field.rb
index 57dcee4bb1..80105f6178 100644
--- a/app/models/custom_actions/actions/custom_field.rb
+++ b/app/models/custom_actions/actions/custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/date.rb b/app/models/custom_actions/actions/date.rb
index 35360f37c3..c8e6f4ec89 100644
--- a/app/models/custom_actions/actions/date.rb
+++ b/app/models/custom_actions/actions/date.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/done_ratio.rb b/app/models/custom_actions/actions/done_ratio.rb
index 17b3c4cfda..23eb05e345 100644
--- a/app/models/custom_actions/actions/done_ratio.rb
+++ b/app/models/custom_actions/actions/done_ratio.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/due_date.rb b/app/models/custom_actions/actions/due_date.rb
index 1c17c147c6..ac5d1f6f0f 100644
--- a/app/models/custom_actions/actions/due_date.rb
+++ b/app/models/custom_actions/actions/due_date.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/estimated_hours.rb b/app/models/custom_actions/actions/estimated_hours.rb
index 4dbdce9424..18ad03c6c5 100644
--- a/app/models/custom_actions/actions/estimated_hours.rb
+++ b/app/models/custom_actions/actions/estimated_hours.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/inexistent.rb b/app/models/custom_actions/actions/inexistent.rb
index d7405c9106..de9c5b97ca 100644
--- a/app/models/custom_actions/actions/inexistent.rb
+++ b/app/models/custom_actions/actions/inexistent.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/notify.rb b/app/models/custom_actions/actions/notify.rb
index 58f3849a87..985e5e2a33 100644
--- a/app/models/custom_actions/actions/notify.rb
+++ b/app/models/custom_actions/actions/notify.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/priority.rb b/app/models/custom_actions/actions/priority.rb
index cde6c05749..ade204d84d 100644
--- a/app/models/custom_actions/actions/priority.rb
+++ b/app/models/custom_actions/actions/priority.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/project.rb b/app/models/custom_actions/actions/project.rb
index 13536846ea..eee12da34e 100644
--- a/app/models/custom_actions/actions/project.rb
+++ b/app/models/custom_actions/actions/project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/serializer.rb b/app/models/custom_actions/actions/serializer.rb
index ba8445e92d..e0b81496cc 100644
--- a/app/models/custom_actions/actions/serializer.rb
+++ b/app/models/custom_actions/actions/serializer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/start_date.rb b/app/models/custom_actions/actions/start_date.rb
index fb9d50941c..bd60469bc7 100644
--- a/app/models/custom_actions/actions/start_date.rb
+++ b/app/models/custom_actions/actions/start_date.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/status.rb b/app/models/custom_actions/actions/status.rb
index a9f516c4d4..8a010c0093 100644
--- a/app/models/custom_actions/actions/status.rb
+++ b/app/models/custom_actions/actions/status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/associated.rb b/app/models/custom_actions/actions/strategies/associated.rb
index c4065a054e..ea3b63ffc8 100644
--- a/app/models/custom_actions/actions/strategies/associated.rb
+++ b/app/models/custom_actions/actions/strategies/associated.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/associated_custom_field.rb b/app/models/custom_actions/actions/strategies/associated_custom_field.rb
index 0cdd2a3538..f5300d203d 100644
--- a/app/models/custom_actions/actions/strategies/associated_custom_field.rb
+++ b/app/models/custom_actions/actions/strategies/associated_custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/custom_field.rb b/app/models/custom_actions/actions/strategies/custom_field.rb
index de1c4f6a00..8c1816d9d8 100644
--- a/app/models/custom_actions/actions/strategies/custom_field.rb
+++ b/app/models/custom_actions/actions/strategies/custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/date.rb b/app/models/custom_actions/actions/strategies/date.rb
index d6f3478854..d8e847d09a 100644
--- a/app/models/custom_actions/actions/strategies/date.rb
+++ b/app/models/custom_actions/actions/strategies/date.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/date_property.rb b/app/models/custom_actions/actions/strategies/date_property.rb
index 62ad08dc8a..3016ca004f 100644
--- a/app/models/custom_actions/actions/strategies/date_property.rb
+++ b/app/models/custom_actions/actions/strategies/date_property.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/float.rb b/app/models/custom_actions/actions/strategies/float.rb
index 2dfcee9f8e..8f07cac191 100644
--- a/app/models/custom_actions/actions/strategies/float.rb
+++ b/app/models/custom_actions/actions/strategies/float.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/integer.rb b/app/models/custom_actions/actions/strategies/integer.rb
index 787b32b3ed..2fef0d256d 100644
--- a/app/models/custom_actions/actions/strategies/integer.rb
+++ b/app/models/custom_actions/actions/strategies/integer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/me_associated.rb b/app/models/custom_actions/actions/strategies/me_associated.rb
index c82e1373da..ad2a8d4228 100644
--- a/app/models/custom_actions/actions/strategies/me_associated.rb
+++ b/app/models/custom_actions/actions/strategies/me_associated.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/string.rb b/app/models/custom_actions/actions/strategies/string.rb
index 1bdd09d290..c65932ad2d 100644
--- a/app/models/custom_actions/actions/strategies/string.rb
+++ b/app/models/custom_actions/actions/strategies/string.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/text.rb b/app/models/custom_actions/actions/strategies/text.rb
index 2e8d8cf2b1..deb3b02924 100644
--- a/app/models/custom_actions/actions/strategies/text.rb
+++ b/app/models/custom_actions/actions/strategies/text.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/strategies/user_custom_field.rb b/app/models/custom_actions/actions/strategies/user_custom_field.rb
index 2ffc8f5bf6..303793fc34 100644
--- a/app/models/custom_actions/actions/strategies/user_custom_field.rb
+++ b/app/models/custom_actions/actions/strategies/user_custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/actions/type.rb b/app/models/custom_actions/actions/type.rb
index 044cbb27e2..9bb336657c 100644
--- a/app/models/custom_actions/actions/type.rb
+++ b/app/models/custom_actions/actions/type.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/conditions/base.rb b/app/models/custom_actions/conditions/base.rb
index ff5ee3ca2b..2024df7f49 100644
--- a/app/models/custom_actions/conditions/base.rb
+++ b/app/models/custom_actions/conditions/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/conditions/inexistent.rb b/app/models/custom_actions/conditions/inexistent.rb
index 823d806d52..cd69c35d7f 100644
--- a/app/models/custom_actions/conditions/inexistent.rb
+++ b/app/models/custom_actions/conditions/inexistent.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/conditions/project.rb b/app/models/custom_actions/conditions/project.rb
index 78e19d275b..a87e157c58 100644
--- a/app/models/custom_actions/conditions/project.rb
+++ b/app/models/custom_actions/conditions/project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/conditions/role.rb b/app/models/custom_actions/conditions/role.rb
index 28843f953e..9f08336703 100644
--- a/app/models/custom_actions/conditions/role.rb
+++ b/app/models/custom_actions/conditions/role.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/conditions/status.rb b/app/models/custom_actions/conditions/status.rb
index f268b362c8..655733ffff 100644
--- a/app/models/custom_actions/conditions/status.rb
+++ b/app/models/custom_actions/conditions/status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_actions/conditions/type.rb b/app/models/custom_actions/conditions/type.rb
index ab6fec43a1..56b3dcf1ca 100644
--- a/app/models/custom_actions/conditions/type.rb
+++ b/app/models/custom_actions/conditions/type.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_field.rb b/app/models/custom_field.rb
index 879e09c57b..26c13fc12b 100644
--- a/app/models/custom_field.rb
+++ b/app/models/custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_field/order_statements.rb b/app/models/custom_field/order_statements.rb
index bd64079e6d..7436ac5d14 100644
--- a/app/models/custom_field/order_statements.rb
+++ b/app/models/custom_field/order_statements.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_option.rb b/app/models/custom_option.rb
index 7aae742a21..ec3bd982a7 100644
--- a/app/models/custom_option.rb
+++ b/app/models/custom_option.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value.rb b/app/models/custom_value.rb
index 7e3b5b18b6..af2a15e3e2 100644
--- a/app/models/custom_value.rb
+++ b/app/models/custom_value.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/ar_object_strategy.rb b/app/models/custom_value/ar_object_strategy.rb
index 5f65311ea5..4612bea485 100644
--- a/app/models/custom_value/ar_object_strategy.rb
+++ b/app/models/custom_value/ar_object_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/bool_strategy.rb b/app/models/custom_value/bool_strategy.rb
index d8276ce190..4ff3e442f5 100644
--- a/app/models/custom_value/bool_strategy.rb
+++ b/app/models/custom_value/bool_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/date_strategy.rb b/app/models/custom_value/date_strategy.rb
index 78b2558c9c..5e3d1f50de 100644
--- a/app/models/custom_value/date_strategy.rb
+++ b/app/models/custom_value/date_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/empty_strategy.rb b/app/models/custom_value/empty_strategy.rb
index 86a5c53110..fa44c0567f 100644
--- a/app/models/custom_value/empty_strategy.rb
+++ b/app/models/custom_value/empty_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/float_strategy.rb b/app/models/custom_value/float_strategy.rb
index ca109b09f6..0b984ad211 100644
--- a/app/models/custom_value/float_strategy.rb
+++ b/app/models/custom_value/float_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/format_strategy.rb b/app/models/custom_value/format_strategy.rb
index 150747f0fb..a8897b8708 100644
--- a/app/models/custom_value/format_strategy.rb
+++ b/app/models/custom_value/format_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/formattable_strategy.rb b/app/models/custom_value/formattable_strategy.rb
index 5627314143..42f549d5e5 100644
--- a/app/models/custom_value/formattable_strategy.rb
+++ b/app/models/custom_value/formattable_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/int_strategy.rb b/app/models/custom_value/int_strategy.rb
index 8ea85a96b7..6d60f61236 100644
--- a/app/models/custom_value/int_strategy.rb
+++ b/app/models/custom_value/int_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/list_strategy.rb b/app/models/custom_value/list_strategy.rb
index 6883af3701..98f2a77d87 100644
--- a/app/models/custom_value/list_strategy.rb
+++ b/app/models/custom_value/list_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/string_strategy.rb b/app/models/custom_value/string_strategy.rb
index 825626c3c8..929e4e94e3 100644
--- a/app/models/custom_value/string_strategy.rb
+++ b/app/models/custom_value/string_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/user_strategy.rb b/app/models/custom_value/user_strategy.rb
index 65f6b3f3bf..d7976c7758 100644
--- a/app/models/custom_value/user_strategy.rb
+++ b/app/models/custom_value/user_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/custom_value/version_strategy.rb b/app/models/custom_value/version_strategy.rb
index 7203cd9387..255b0e3f98 100644
--- a/app/models/custom_value/version_strategy.rb
+++ b/app/models/custom_value/version_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/enabled_module.rb b/app/models/enabled_module.rb
index d89183468c..b30fd55e39 100644
--- a/app/models/enabled_module.rb
+++ b/app/models/enabled_module.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/enumeration.rb b/app/models/enumeration.rb
index 26a7f0bf87..2fbe80ac9c 100644
--- a/app/models/enumeration.rb
+++ b/app/models/enumeration.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/exports/concerns/csv.rb b/app/models/exports/concerns/csv.rb
index b7c5a8c9ae..78c33e34c7 100644
--- a/app/models/exports/concerns/csv.rb
+++ b/app/models/exports/concerns/csv.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/exports/export_error.rb b/app/models/exports/export_error.rb
index 8a64edab92..bed9b0e3e8 100644
--- a/app/models/exports/export_error.rb
+++ b/app/models/exports/export_error.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/exports/exporter.rb b/app/models/exports/exporter.rb
index 659df09e2e..8be425b692 100644
--- a/app/models/exports/exporter.rb
+++ b/app/models/exports/exporter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/exports/register.rb b/app/models/exports/register.rb
index f38dd83cec..879b956559 100644
--- a/app/models/exports/register.rb
+++ b/app/models/exports/register.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/exports/result.rb b/app/models/exports/result.rb
index 0dbe9e2184..a90ade1dd7 100644
--- a/app/models/exports/result.rb
+++ b/app/models/exports/result.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/forum.rb b/app/models/forum.rb
index a7ea5e2b03..ac8a11d818 100644
--- a/app/models/forum.rb
+++ b/app/models/forum.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/group.rb b/app/models/group.rb
index 4a76eccf57..16c6f33797 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/group_custom_field.rb b/app/models/group_custom_field.rb
index bd4e770d8e..3e8bff3881 100644
--- a/app/models/group_custom_field.rb
+++ b/app/models/group_custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/group_user.rb b/app/models/group_user.rb
index 0e601f8594..323a187ad5 100644
--- a/app/models/group_user.rb
+++ b/app/models/group_user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/groups/scopes/visible.rb b/app/models/groups/scopes/visible.rb
index 85d72969d6..404ade3533 100644
--- a/app/models/groups/scopes/visible.rb
+++ b/app/models/groups/scopes/visible.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/issue_priority.rb b/app/models/issue_priority.rb
index 40d40bb4f3..c97af6d998 100644
--- a/app/models/issue_priority.rb
+++ b/app/models/issue_priority.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal.rb b/app/models/journal.rb
index 32cca2af0b..6288dc9b47 100644
--- a/app/models/journal.rb
+++ b/app/models/journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/attachable_journal.rb b/app/models/journal/attachable_journal.rb
index 245642dd96..a873265148 100644
--- a/app/models/journal/attachable_journal.rb
+++ b/app/models/journal/attachable_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/attachment_journal.rb b/app/models/journal/attachment_journal.rb
index 1fdb89151d..5da8b851c9 100644
--- a/app/models/journal/attachment_journal.rb
+++ b/app/models/journal/attachment_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/changeset_journal.rb b/app/models/journal/changeset_journal.rb
index 2cb83a6ac9..abf8fc62e7 100644
--- a/app/models/journal/changeset_journal.rb
+++ b/app/models/journal/changeset_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/customizable_journal.rb b/app/models/journal/customizable_journal.rb
index c44d153053..3dd774ecb7 100644
--- a/app/models/journal/customizable_journal.rb
+++ b/app/models/journal/customizable_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/message_journal.rb b/app/models/journal/message_journal.rb
index c41c70ec45..648e9b5ee8 100644
--- a/app/models/journal/message_journal.rb
+++ b/app/models/journal/message_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/news_journal.rb b/app/models/journal/news_journal.rb
index b22caf3dcf..ae8a85ffc2 100644
--- a/app/models/journal/news_journal.rb
+++ b/app/models/journal/news_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/notification_configuration.rb b/app/models/journal/notification_configuration.rb
index 95176750ac..5d74da55c6 100644
--- a/app/models/journal/notification_configuration.rb
+++ b/app/models/journal/notification_configuration.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/wiki_content_journal.rb b/app/models/journal/wiki_content_journal.rb
index 46b60f2d98..0758120cab 100644
--- a/app/models/journal/wiki_content_journal.rb
+++ b/app/models/journal/wiki_content_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/journal/work_package_journal.rb b/app/models/journal/work_package_journal.rb
index fd9516853f..152632acca 100644
--- a/app/models/journal/work_package_journal.rb
+++ b/app/models/journal/work_package_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/ldap_auth_source.rb b/app/models/ldap_auth_source.rb
index d8c7e50d3f..345c551719 100644
--- a/app/models/ldap_auth_source.rb
+++ b/app/models/ldap_auth_source.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/mail_handler.rb b/app/models/mail_handler.rb
index 5281885582..9c8daae701 100644
--- a/app/models/mail_handler.rb
+++ b/app/models/mail_handler.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/member.rb b/app/models/member.rb
index 141632049c..334087a61a 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/member_role.rb b/app/models/member_role.rb
index 342dab174a..d97def63bf 100644
--- a/app/models/member_role.rb
+++ b/app/models/member_role.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/members/scopes/assignable.rb b/app/models/members/scopes/assignable.rb
index d3f1d174ef..78999fb22b 100644
--- a/app/models/members/scopes/assignable.rb
+++ b/app/models/members/scopes/assignable.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -39,7 +37,15 @@ module Members::Scopes
         not_locked
           .includes(:roles)
           .references(:roles)
-          .where(roles: { assignable: true })
+          .where(assignable_permission_exists)
+      end
+
+      def assignable_permission_exists
+        RolePermission
+          .where('role_permissions.role_id = roles.id')
+          .where(permission: 'work_package_assigned')
+          .arel
+          .exists
       end
     end
   end
diff --git a/app/models/members/scopes/global.rb b/app/models/members/scopes/global.rb
index e0913d7125..cb6b745076 100644
--- a/app/models/members/scopes/global.rb
+++ b/app/models/members/scopes/global.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/members/scopes/not_locked.rb b/app/models/members/scopes/not_locked.rb
index 2e276557cf..49a0eb5cd2 100644
--- a/app/models/members/scopes/not_locked.rb
+++ b/app/models/members/scopes/not_locked.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/members/scopes/of.rb b/app/models/members/scopes/of.rb
index 66d72baaa2..78c575e6ab 100644
--- a/app/models/members/scopes/of.rb
+++ b/app/models/members/scopes/of.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/members/scopes/visible.rb b/app/models/members/scopes/visible.rb
index 6c4ab42c3e..d88da67204 100644
--- a/app/models/members/scopes/visible.rb
+++ b/app/models/members/scopes/visible.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/menu_item.rb b/app/models/menu_item.rb
index d0acf595ef..4dad6a0dd1 100644
--- a/app/models/menu_item.rb
+++ b/app/models/menu_item.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/menu_items/wiki_menu_item.rb b/app/models/menu_items/wiki_menu_item.rb
index 078413b027..10a044b24e 100644
--- a/app/models/menu_items/wiki_menu_item.rb
+++ b/app/models/menu_items/wiki_menu_item.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/message.rb b/app/models/message.rb
index 28b5b94f62..40953469ed 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/news.rb b/app/models/news.rb
index 62d1b34799..806700abfa 100644
--- a/app/models/news.rb
+++ b/app/models/news.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/notification_settings/scopes/applicable.rb b/app/models/notification_settings/scopes/applicable.rb
index 48bb9fdd6d..96ee905aea 100644
--- a/app/models/notification_settings/scopes/applicable.rb
+++ b/app/models/notification_settings/scopes/applicable.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/notifications/scopes/mail_alert_unsent.rb b/app/models/notifications/scopes/mail_alert_unsent.rb
index 71913a4a39..04acdb4c54 100644
--- a/app/models/notifications/scopes/mail_alert_unsent.rb
+++ b/app/models/notifications/scopes/mail_alert_unsent.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/notifications/scopes/mail_reminder_unsent.rb b/app/models/notifications/scopes/mail_reminder_unsent.rb
index f62a7ec24e..2d17080707 100644
--- a/app/models/notifications/scopes/mail_reminder_unsent.rb
+++ b/app/models/notifications/scopes/mail_reminder_unsent.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/notifications/scopes/recipient.rb b/app/models/notifications/scopes/recipient.rb
index f2147ed134..c65cf565d3 100644
--- a/app/models/notifications/scopes/recipient.rb
+++ b/app/models/notifications/scopes/recipient.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/notifications/scopes/unsent_reminders_before.rb b/app/models/notifications/scopes/unsent_reminders_before.rb
index a5cf36699c..34716a2f3e 100644
--- a/app/models/notifications/scopes/unsent_reminders_before.rb
+++ b/app/models/notifications/scopes/unsent_reminders_before.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/ordered_work_package.rb b/app/models/ordered_work_package.rb
index a80a44e9a8..943ccecf65 100644
--- a/app/models/ordered_work_package.rb
+++ b/app/models/ordered_work_package.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/permitted_params.rb b/app/models/permitted_params.rb
index 60efcf8388..474be3cc8c 100644
--- a/app/models/permitted_params.rb
+++ b/app/models/permitted_params.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/placeholder_user.rb b/app/models/placeholder_user.rb
index 5d1bb80d70..437177dc31 100644
--- a/app/models/placeholder_user.rb
+++ b/app/models/placeholder_user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/models/placeholder_users/scopes/visible.rb b/app/models/placeholder_users/scopes/visible.rb
index d1d809da0e..4bb0b22479 100644
--- a/app/models/placeholder_users/scopes/visible.rb
+++ b/app/models/placeholder_users/scopes/visible.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principal.rb b/app/models/principal.rb
index a4f4cf9d9b..acd537831c 100644
--- a/app/models/principal.rb
+++ b/app/models/principal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/human.rb b/app/models/principals/scopes/human.rb
index b270636a14..4a6beb26af 100644
--- a/app/models/principals/scopes/human.rb
+++ b/app/models/principals/scopes/human.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/like.rb b/app/models/principals/scopes/like.rb
index 8f841f189c..b56a7d60ac 100644
--- a/app/models/principals/scopes/like.rb
+++ b/app/models/principals/scopes/like.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/not_builtin.rb b/app/models/principals/scopes/not_builtin.rb
index 21b76f0118..aeafd8f22c 100644
--- a/app/models/principals/scopes/not_builtin.rb
+++ b/app/models/principals/scopes/not_builtin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/ordered_by_name.rb b/app/models/principals/scopes/ordered_by_name.rb
index 9edc3cfde1..58d124335d 100644
--- a/app/models/principals/scopes/ordered_by_name.rb
+++ b/app/models/principals/scopes/ordered_by_name.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/possible_assignee.rb b/app/models/principals/scopes/possible_assignee.rb
index 18b9223c9c..fc8cddfe25 100644
--- a/app/models/principals/scopes/possible_assignee.rb
+++ b/app/models/principals/scopes/possible_assignee.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/possible_member.rb b/app/models/principals/scopes/possible_member.rb
index 1a62d73d76..b5808ac531 100644
--- a/app/models/principals/scopes/possible_member.rb
+++ b/app/models/principals/scopes/possible_member.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/status.rb b/app/models/principals/scopes/status.rb
index 68d2da6917..f04f9e083d 100644
--- a/app/models/principals/scopes/status.rb
+++ b/app/models/principals/scopes/status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/user.rb b/app/models/principals/scopes/user.rb
index abf2ac99a9..151b7ac693 100644
--- a/app/models/principals/scopes/user.rb
+++ b/app/models/principals/scopes/user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/principals/scopes/visible.rb b/app/models/principals/scopes/visible.rb
index 522a8a21fe..54c121453b 100644
--- a/app/models/principals/scopes/visible.rb
+++ b/app/models/principals/scopes/visible.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/priority/inexistent_priority.rb b/app/models/priority/inexistent_priority.rb
index 22cea6ddc9..f07068ddc8 100644
--- a/app/models/priority/inexistent_priority.rb
+++ b/app/models/priority/inexistent_priority.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/project.rb b/app/models/project.rb
index f1f926968c..85ebb7d78a 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/project_custom_field.rb b/app/models/project_custom_field.rb
index ad3a7e98fc..12d8a0903c 100644
--- a/app/models/project_custom_field.rb
+++ b/app/models/project_custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/projects/activity.rb b/app/models/projects/activity.rb
index e65b975841..36961dee53 100644
--- a/app/models/projects/activity.rb
+++ b/app/models/projects/activity.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/projects/ancestors_from_root.rb b/app/models/projects/ancestors_from_root.rb
index 8f3a0ca147..f9dc7fb812 100644
--- a/app/models/projects/ancestors_from_root.rb
+++ b/app/models/projects/ancestors_from_root.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/projects/exports/csv.rb b/app/models/projects/exports/csv.rb
index 11a47afc3e..3923fe3711 100644
--- a/app/models/projects/exports/csv.rb
+++ b/app/models/projects/exports/csv.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/projects/exports/formatters/status.rb b/app/models/projects/exports/formatters/status.rb
index 0b39a7e126..4a52546234 100644
--- a/app/models/projects/exports/formatters/status.rb
+++ b/app/models/projects/exports/formatters/status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/projects/exports/query_exporter.rb b/app/models/projects/exports/query_exporter.rb
index e6ebd3a455..56efc17676 100644
--- a/app/models/projects/exports/query_exporter.rb
+++ b/app/models/projects/exports/query_exporter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/projects/hierarchy.rb b/app/models/projects/hierarchy.rb
index a476af029e..a550500afb 100644
--- a/app/models/projects/hierarchy.rb
+++ b/app/models/projects/hierarchy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/projects/status.rb b/app/models/projects/status.rb
index 385ad0fc64..e32c7b8ed0 100644
--- a/app/models/projects/status.rb
+++ b/app/models/projects/status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/projects/storage.rb b/app/models/projects/storage.rb
index b6144c4eb1..2af936f691 100644
--- a/app/models/projects/storage.rb
+++ b/app/models/projects/storage.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/actions.rb b/app/models/queries/actions.rb
index 449fd23083..cf6c26cac7 100644
--- a/app/models/queries/actions.rb
+++ b/app/models/queries/actions.rb
@@ -27,8 +27,7 @@
 #++
 
 module Queries::Actions
-  query = Queries::Actions::ActionQuery
-  filter_ns = Queries::Actions::Filters
-
-  Queries::Register.filter query, filter_ns::IdFilter
+  ::Queries::Register.register(ActionQuery) do
+    filter Filters::IdFilter
+  end
 end
diff --git a/app/models/queries/actions/filters/action_filter.rb b/app/models/queries/actions/filters/action_filter.rb
index 70c685140c..ece170800e 100644
--- a/app/models/queries/actions/filters/action_filter.rb
+++ b/app/models/queries/actions/filters/action_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/capabilities.rb b/app/models/queries/capabilities.rb
index f896bf9f5d..d962fd8517 100644
--- a/app/models/queries/capabilities.rb
+++ b/app/models/queries/capabilities.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,15 +27,12 @@
 #++
 
 module Queries::Capabilities
-  query = Queries::Capabilities::CapabilityQuery
-  filter_ns = Queries::Capabilities::Filters
-
-  Queries::Register.filter query, filter_ns::IdFilter
-  Queries::Register.filter query, filter_ns::PrincipalIdFilter
-  Queries::Register.filter query, filter_ns::ContextFilter
-  Queries::Register.filter query, filter_ns::ActionFilter
-
-  order_ns = Queries::Capabilities::Orders
+  ::Queries::Register.register(CapabilityQuery) do
+    filter Filters::IdFilter
+    filter Filters::PrincipalIdFilter
+    filter Filters::ContextFilter
+    filter Filters::ActionFilter
 
-  Queries::Register.order query, order_ns::IdOrder
+    order Orders::IdOrder
+  end
 end
diff --git a/app/models/queries/capabilities/filters/action_filter.rb b/app/models/queries/capabilities/filters/action_filter.rb
index fb0e4187f6..9df8ebd1e3 100644
--- a/app/models/queries/capabilities/filters/action_filter.rb
+++ b/app/models/queries/capabilities/filters/action_filter.rb
@@ -33,7 +33,7 @@ class Queries::Capabilities::Filters::ActionFilter < Queries::Capabilities::Filt
 
   def split_values
     values.map do |value|
-      if (matches = value.match(/\A([a-z]+\/[a-z]+)\z/))
+      if (matches = value.match(/\A([a-z_]+\/[a-z_]+)\z/))
         {
           action: matches[1]
         }
diff --git a/app/models/queries/capabilities/filters/capability_filter.rb b/app/models/queries/capabilities/filters/capability_filter.rb
index 6c24037a28..4fcb8f688e 100644
--- a/app/models/queries/capabilities/filters/capability_filter.rb
+++ b/app/models/queries/capabilities/filters/capability_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/capabilities/filters/principal_id_filter.rb b/app/models/queries/capabilities/filters/principal_id_filter.rb
index 8c062cadb3..b85b549d28 100644
--- a/app/models/queries/capabilities/filters/principal_id_filter.rb
+++ b/app/models/queries/capabilities/filters/principal_id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/capabilities/orders/id_order.rb b/app/models/queries/capabilities/orders/id_order.rb
index 676fa024c4..5ea0c82efe 100644
--- a/app/models/queries/capabilities/orders/id_order.rb
+++ b/app/models/queries/capabilities/orders/id_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/columns/base.rb b/app/models/queries/columns/base.rb
index df4114e282..e992ea801c 100644
--- a/app/models/queries/columns/base.rb
+++ b/app/models/queries/columns/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters.rb b/app/models/queries/filters.rb
index de01424354..c36751ba66 100644
--- a/app/models/queries/filters.rb
+++ b/app/models/queries/filters.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/available_filters.rb b/app/models/queries/filters/available_filters.rb
index 2a65b73f88..a8217a56e6 100644
--- a/app/models/queries/filters/available_filters.rb
+++ b/app/models/queries/filters/available_filters.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/base.rb b/app/models/queries/filters/base.rb
index 1b7fbba1cf..faf12008e6 100644
--- a/app/models/queries/filters/base.rb
+++ b/app/models/queries/filters/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/empty_filter.rb b/app/models/queries/filters/empty_filter.rb
index 2835ed9040..b1c11556ad 100644
--- a/app/models/queries/filters/empty_filter.rb
+++ b/app/models/queries/filters/empty_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/me_value.rb b/app/models/queries/filters/me_value.rb
index 59006a429e..476d444a8a 100644
--- a/app/models/queries/filters/me_value.rb
+++ b/app/models/queries/filters/me_value.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/not_existing_filter.rb b/app/models/queries/filters/not_existing_filter.rb
index 562d0b4a7e..f3c7b3e618 100644
--- a/app/models/queries/filters/not_existing_filter.rb
+++ b/app/models/queries/filters/not_existing_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/serializable.rb b/app/models/queries/filters/serializable.rb
index c0be22b353..326450bb12 100644
--- a/app/models/queries/filters/serializable.rb
+++ b/app/models/queries/filters/serializable.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/any_user_name_attribute_filter.rb b/app/models/queries/filters/shared/any_user_name_attribute_filter.rb
index 4b4b4801ed..d9cdf11fe6 100644
--- a/app/models/queries/filters/shared/any_user_name_attribute_filter.rb
+++ b/app/models/queries/filters/shared/any_user_name_attribute_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/boolean_filter.rb b/app/models/queries/filters/shared/boolean_filter.rb
index 065001791e..791abc3866 100644
--- a/app/models/queries/filters/shared/boolean_filter.rb
+++ b/app/models/queries/filters/shared/boolean_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/custom_field_filter.rb b/app/models/queries/filters/shared/custom_field_filter.rb
index 069edb2da1..4f9d8c0be3 100644
--- a/app/models/queries/filters/shared/custom_field_filter.rb
+++ b/app/models/queries/filters/shared/custom_field_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/custom_fields/base.rb b/app/models/queries/filters/shared/custom_fields/base.rb
index c11ece908d..ba7111f9b2 100644
--- a/app/models/queries/filters/shared/custom_fields/base.rb
+++ b/app/models/queries/filters/shared/custom_fields/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/custom_fields/bool.rb b/app/models/queries/filters/shared/custom_fields/bool.rb
index f8b59d3ee8..56f76769b5 100644
--- a/app/models/queries/filters/shared/custom_fields/bool.rb
+++ b/app/models/queries/filters/shared/custom_fields/bool.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/custom_fields/list_optional.rb b/app/models/queries/filters/shared/custom_fields/list_optional.rb
index b06ad01455..1df900787a 100644
--- a/app/models/queries/filters/shared/custom_fields/list_optional.rb
+++ b/app/models/queries/filters/shared/custom_fields/list_optional.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/custom_fields/user.rb b/app/models/queries/filters/shared/custom_fields/user.rb
index ba8f763480..884fd0fb7d 100644
--- a/app/models/queries/filters/shared/custom_fields/user.rb
+++ b/app/models/queries/filters/shared/custom_fields/user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/group_filter.rb b/app/models/queries/filters/shared/group_filter.rb
index 0b16f6bf22..604d8b66fd 100644
--- a/app/models/queries/filters/shared/group_filter.rb
+++ b/app/models/queries/filters/shared/group_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/me_value_filter.rb b/app/models/queries/filters/shared/me_value_filter.rb
index 03101435d8..9585fdad4d 100644
--- a/app/models/queries/filters/shared/me_value_filter.rb
+++ b/app/models/queries/filters/shared/me_value_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/project_filter.rb b/app/models/queries/filters/shared/project_filter.rb
index f6db828a2a..b4ac2697cb 100644
--- a/app/models/queries/filters/shared/project_filter.rb
+++ b/app/models/queries/filters/shared/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/user_blocked_filter.rb b/app/models/queries/filters/shared/user_blocked_filter.rb
index 221c998561..2517d419a7 100644
--- a/app/models/queries/filters/shared/user_blocked_filter.rb
+++ b/app/models/queries/filters/shared/user_blocked_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/user_name_filter.rb b/app/models/queries/filters/shared/user_name_filter.rb
index 8392403ff3..ebc57ae277 100644
--- a/app/models/queries/filters/shared/user_name_filter.rb
+++ b/app/models/queries/filters/shared/user_name_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/shared/user_status_filter.rb b/app/models/queries/filters/shared/user_status_filter.rb
index a7bfb41b19..f18cce13f0 100644
--- a/app/models/queries/filters/shared/user_status_filter.rb
+++ b/app/models/queries/filters/shared/user_status_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies.rb b/app/models/queries/filters/strategies.rb
index 19762d246f..39e8edb92d 100644
--- a/app/models/queries/filters/strategies.rb
+++ b/app/models/queries/filters/strategies.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/base_strategy.rb b/app/models/queries/filters/strategies/base_strategy.rb
index 1f7ccda748..50ded35641 100644
--- a/app/models/queries/filters/strategies/base_strategy.rb
+++ b/app/models/queries/filters/strategies/base_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/boolean_list.rb b/app/models/queries/filters/strategies/boolean_list.rb
index 09ff87658c..ef9830d588 100644
--- a/app/models/queries/filters/strategies/boolean_list.rb
+++ b/app/models/queries/filters/strategies/boolean_list.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/boolean_list_strict.rb b/app/models/queries/filters/strategies/boolean_list_strict.rb
index 8044cd7797..593ab2925a 100644
--- a/app/models/queries/filters/strategies/boolean_list_strict.rb
+++ b/app/models/queries/filters/strategies/boolean_list_strict.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/cf_float.rb b/app/models/queries/filters/strategies/cf_float.rb
index abcedb2657..df7a081f8b 100644
--- a/app/models/queries/filters/strategies/cf_float.rb
+++ b/app/models/queries/filters/strategies/cf_float.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/cf_integer.rb b/app/models/queries/filters/strategies/cf_integer.rb
index ec0f719edc..a65bb11e78 100644
--- a/app/models/queries/filters/strategies/cf_integer.rb
+++ b/app/models/queries/filters/strategies/cf_integer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/cf_list_optional.rb b/app/models/queries/filters/strategies/cf_list_optional.rb
index bfd0916b26..be7adc88f9 100644
--- a/app/models/queries/filters/strategies/cf_list_optional.rb
+++ b/app/models/queries/filters/strategies/cf_list_optional.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/cf_numeric.rb b/app/models/queries/filters/strategies/cf_numeric.rb
index 31361bcc70..19e1c4b367 100644
--- a/app/models/queries/filters/strategies/cf_numeric.rb
+++ b/app/models/queries/filters/strategies/cf_numeric.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/date.rb b/app/models/queries/filters/strategies/date.rb
index 815044647b..760f52b03d 100644
--- a/app/models/queries/filters/strategies/date.rb
+++ b/app/models/queries/filters/strategies/date.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/date_interval.rb b/app/models/queries/filters/strategies/date_interval.rb
index 51146fbfd1..8dc9540671 100644
--- a/app/models/queries/filters/strategies/date_interval.rb
+++ b/app/models/queries/filters/strategies/date_interval.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/date_time_past.rb b/app/models/queries/filters/strategies/date_time_past.rb
index cd53d1120e..c85ef3d484 100644
--- a/app/models/queries/filters/strategies/date_time_past.rb
+++ b/app/models/queries/filters/strategies/date_time_past.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/empty_value.rb b/app/models/queries/filters/strategies/empty_value.rb
index 8eeb68eed0..f5f9766045 100644
--- a/app/models/queries/filters/strategies/empty_value.rb
+++ b/app/models/queries/filters/strategies/empty_value.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/float.rb b/app/models/queries/filters/strategies/float.rb
index c6d6e8b766..fd0d3be21a 100644
--- a/app/models/queries/filters/strategies/float.rb
+++ b/app/models/queries/filters/strategies/float.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/float_numeric.rb b/app/models/queries/filters/strategies/float_numeric.rb
index d97efc0f97..fd39bb4ebc 100644
--- a/app/models/queries/filters/strategies/float_numeric.rb
+++ b/app/models/queries/filters/strategies/float_numeric.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/huge_list.rb b/app/models/queries/filters/strategies/huge_list.rb
index 30dfb82259..1eaf4f6366 100644
--- a/app/models/queries/filters/strategies/huge_list.rb
+++ b/app/models/queries/filters/strategies/huge_list.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/inexistent.rb b/app/models/queries/filters/strategies/inexistent.rb
index 42bc537635..10c1486b43 100644
--- a/app/models/queries/filters/strategies/inexistent.rb
+++ b/app/models/queries/filters/strategies/inexistent.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/integer.rb b/app/models/queries/filters/strategies/integer.rb
index a286a81f87..d9b17019da 100644
--- a/app/models/queries/filters/strategies/integer.rb
+++ b/app/models/queries/filters/strategies/integer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/integer_list.rb b/app/models/queries/filters/strategies/integer_list.rb
index daf4c50348..6225eb0ba0 100644
--- a/app/models/queries/filters/strategies/integer_list.rb
+++ b/app/models/queries/filters/strategies/integer_list.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/integer_numeric.rb b/app/models/queries/filters/strategies/integer_numeric.rb
index ea4c42b4c7..f2cacd4ae9 100644
--- a/app/models/queries/filters/strategies/integer_numeric.rb
+++ b/app/models/queries/filters/strategies/integer_numeric.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/list.rb b/app/models/queries/filters/strategies/list.rb
index 143fa229a8..4530bc4f13 100644
--- a/app/models/queries/filters/strategies/list.rb
+++ b/app/models/queries/filters/strategies/list.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/list_all.rb b/app/models/queries/filters/strategies/list_all.rb
index e24f9adea7..da0eab0f94 100644
--- a/app/models/queries/filters/strategies/list_all.rb
+++ b/app/models/queries/filters/strategies/list_all.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/list_optional.rb b/app/models/queries/filters/strategies/list_optional.rb
index d5ee5a832f..19adda4f39 100644
--- a/app/models/queries/filters/strategies/list_optional.rb
+++ b/app/models/queries/filters/strategies/list_optional.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/numeric.rb b/app/models/queries/filters/strategies/numeric.rb
index 5630d614bb..feac7b0acb 100644
--- a/app/models/queries/filters/strategies/numeric.rb
+++ b/app/models/queries/filters/strategies/numeric.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/relation.rb b/app/models/queries/filters/strategies/relation.rb
index 97b8530c32..5a5c4006e1 100644
--- a/app/models/queries/filters/strategies/relation.rb
+++ b/app/models/queries/filters/strategies/relation.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/search.rb b/app/models/queries/filters/strategies/search.rb
index 183428c41e..a820b142b0 100644
--- a/app/models/queries/filters/strategies/search.rb
+++ b/app/models/queries/filters/strategies/search.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/string.rb b/app/models/queries/filters/strategies/string.rb
index 92196d2760..fd19ec52c2 100644
--- a/app/models/queries/filters/strategies/string.rb
+++ b/app/models/queries/filters/strategies/string.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/text.rb b/app/models/queries/filters/strategies/text.rb
index 265bde9ecf..24ae89952c 100644
--- a/app/models/queries/filters/strategies/text.rb
+++ b/app/models/queries/filters/strategies/text.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/strategies/validations.rb b/app/models/queries/filters/strategies/validations.rb
index d6da2ba859..b07b6b840d 100644
--- a/app/models/queries/filters/strategies/validations.rb
+++ b/app/models/queries/filters/strategies/validations.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/filters/templated_value.rb b/app/models/queries/filters/templated_value.rb
index 568f62fc22..c26a1b2404 100644
--- a/app/models/queries/filters/templated_value.rb
+++ b/app/models/queries/filters/templated_value.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/group_bys/available_group_bys.rb b/app/models/queries/group_bys/available_group_bys.rb
index 6eaafa2a97..9e6890a86c 100644
--- a/app/models/queries/group_bys/available_group_bys.rb
+++ b/app/models/queries/group_bys/available_group_bys.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/group_bys/base.rb b/app/models/queries/group_bys/base.rb
index 9c4a59719c..f929e6c4c3 100644
--- a/app/models/queries/group_bys/base.rb
+++ b/app/models/queries/group_bys/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/group_bys/not_existing_group_by.rb b/app/models/queries/group_bys/not_existing_group_by.rb
index 9965dbb23f..9807f5a47d 100644
--- a/app/models/queries/group_bys/not_existing_group_by.rb
+++ b/app/models/queries/group_bys/not_existing_group_by.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/groups.rb b/app/models/queries/groups.rb
index e16ef214b8..e2b06d35ac 100644
--- a/app/models/queries/groups.rb
+++ b/app/models/queries/groups.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,8 +27,7 @@
 #++
 
 module Queries::Groups
-  order_ns = Queries::Members::Orders
-  query = Queries::Members::MemberQuery
-
-  Queries::Register.order query, order_ns::DefaultOrder
+  ::Queries::Register.register(GroupQuery) do
+    order Orders::DefaultOrder
+  end
 end
diff --git a/app/models/queries/groups/orders/default_order.rb b/app/models/queries/groups/orders/default_order.rb
index e883a86fe6..8cf4009649 100644
--- a/app/models/queries/groups/orders/default_order.rb
+++ b/app/models/queries/groups/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/individual_principals/orders/group_order.rb b/app/models/queries/individual_principals/orders/group_order.rb
index 8997016250..0218d0b79c 100644
--- a/app/models/queries/individual_principals/orders/group_order.rb
+++ b/app/models/queries/individual_principals/orders/group_order.rb
@@ -1,4 +1,3 @@
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/individual_principals/orders/name_order.rb b/app/models/queries/individual_principals/orders/name_order.rb
index c6e1d1753f..c2cdbf8970 100644
--- a/app/models/queries/individual_principals/orders/name_order.rb
+++ b/app/models/queries/individual_principals/orders/name_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members.rb b/app/models/queries/members.rb
index e15f716bca..47bf2512b6 100644
--- a/app/models/queries/members.rb
+++ b/app/models/queries/members.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,24 +27,21 @@
 #++
 
 module Queries::Members
-  query = Queries::Members::MemberQuery
-  filter_ns = Queries::Members::Filters
-
-  Queries::Register.filter query, filter_ns::NameFilter
-  Queries::Register.filter query, filter_ns::AnyNameAttributeFilter
-  Queries::Register.filter query, filter_ns::ProjectFilter
-  Queries::Register.filter query, filter_ns::StatusFilter
-  Queries::Register.filter query, filter_ns::BlockedFilter
-  Queries::Register.filter query, filter_ns::GroupFilter
-  Queries::Register.filter query, filter_ns::RoleFilter
-  Queries::Register.filter query, filter_ns::PrincipalFilter
-  Queries::Register.filter query, filter_ns::CreatedAtFilter
-  Queries::Register.filter query, filter_ns::UpdatedAtFilter
-
-  order_ns = Queries::Members::Orders
+  ::Queries::Register.register(MemberQuery) do
+    filter Filters::NameFilter
+    filter Filters::AnyNameAttributeFilter
+    filter Filters::ProjectFilter
+    filter Filters::StatusFilter
+    filter Filters::BlockedFilter
+    filter Filters::GroupFilter
+    filter Filters::RoleFilter
+    filter Filters::PrincipalFilter
+    filter Filters::CreatedAtFilter
+    filter Filters::UpdatedAtFilter
 
-  Queries::Register.order query, order_ns::DefaultOrder
-  Queries::Register.order query, order_ns::NameOrder
-  Queries::Register.order query, order_ns::EmailOrder
-  Queries::Register.order query, order_ns::StatusOrder
+    order Orders::DefaultOrder
+    order Orders::NameOrder
+    order Orders::EmailOrder
+    order Orders::StatusOrder
+  end
 end
diff --git a/app/models/queries/members/filters/any_name_attribute_filter.rb b/app/models/queries/members/filters/any_name_attribute_filter.rb
index a22e20f211..cac52c7a4a 100644
--- a/app/models/queries/members/filters/any_name_attribute_filter.rb
+++ b/app/models/queries/members/filters/any_name_attribute_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/blocked_filter.rb b/app/models/queries/members/filters/blocked_filter.rb
index d5c2b5ddd2..7daebf5fd3 100644
--- a/app/models/queries/members/filters/blocked_filter.rb
+++ b/app/models/queries/members/filters/blocked_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/created_at_filter.rb b/app/models/queries/members/filters/created_at_filter.rb
index 1efedcb8aa..b4d9e0f619 100644
--- a/app/models/queries/members/filters/created_at_filter.rb
+++ b/app/models/queries/members/filters/created_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/group_filter.rb b/app/models/queries/members/filters/group_filter.rb
index 0cc73bbe08..e19e51cf04 100644
--- a/app/models/queries/members/filters/group_filter.rb
+++ b/app/models/queries/members/filters/group_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/member_filter.rb b/app/models/queries/members/filters/member_filter.rb
index df57b7dc40..2ed535c601 100644
--- a/app/models/queries/members/filters/member_filter.rb
+++ b/app/models/queries/members/filters/member_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/name_filter.rb b/app/models/queries/members/filters/name_filter.rb
index 145f9db952..76f3d60c3d 100644
--- a/app/models/queries/members/filters/name_filter.rb
+++ b/app/models/queries/members/filters/name_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/principal_filter.rb b/app/models/queries/members/filters/principal_filter.rb
index 6ed598f5b0..f95ae44cc2 100644
--- a/app/models/queries/members/filters/principal_filter.rb
+++ b/app/models/queries/members/filters/principal_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/project_filter.rb b/app/models/queries/members/filters/project_filter.rb
index d333f86a4e..e58146e701 100644
--- a/app/models/queries/members/filters/project_filter.rb
+++ b/app/models/queries/members/filters/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/role_filter.rb b/app/models/queries/members/filters/role_filter.rb
index 82bf93921f..a64fa3f48d 100644
--- a/app/models/queries/members/filters/role_filter.rb
+++ b/app/models/queries/members/filters/role_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/status_filter.rb b/app/models/queries/members/filters/status_filter.rb
index d9003eedc1..7c090083f0 100644
--- a/app/models/queries/members/filters/status_filter.rb
+++ b/app/models/queries/members/filters/status_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/filters/updated_at_filter.rb b/app/models/queries/members/filters/updated_at_filter.rb
index f1579ad80f..9a57dae707 100644
--- a/app/models/queries/members/filters/updated_at_filter.rb
+++ b/app/models/queries/members/filters/updated_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/orders/default_order.rb b/app/models/queries/members/orders/default_order.rb
index d870fc6094..b09ff8d734 100644
--- a/app/models/queries/members/orders/default_order.rb
+++ b/app/models/queries/members/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/orders/email_order.rb b/app/models/queries/members/orders/email_order.rb
index 47f396eea7..79c2b96bc9 100644
--- a/app/models/queries/members/orders/email_order.rb
+++ b/app/models/queries/members/orders/email_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/orders/name_order.rb b/app/models/queries/members/orders/name_order.rb
index 2cfe5e9cee..c9de4ef507 100644
--- a/app/models/queries/members/orders/name_order.rb
+++ b/app/models/queries/members/orders/name_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/members/orders/status_order.rb b/app/models/queries/members/orders/status_order.rb
index ffc8a9d2a6..d4b9f78c5d 100644
--- a/app/models/queries/members/orders/status_order.rb
+++ b/app/models/queries/members/orders/status_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/news.rb b/app/models/queries/news.rb
index 871b57bc9a..21d8bc9ab2 100644
--- a/app/models/queries/news.rb
+++ b/app/models/queries/news.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,9 +27,9 @@
 #++
 
 module Queries::News
-  query = Queries::News::NewsQuery
-
-  Queries::Register.filter query, Queries::News::Filters::ProjectFilter
+  ::Queries::Register.register(NewsQuery) do
+    filter Filters::ProjectFilter
 
-  Queries::Register.order query, Queries::News::Orders::DefaultOrder
+    order Orders::DefaultOrder
+  end
 end
diff --git a/app/models/queries/news/filters/news_filter.rb b/app/models/queries/news/filters/news_filter.rb
index 62a6c16bac..8fd4f086cd 100644
--- a/app/models/queries/news/filters/news_filter.rb
+++ b/app/models/queries/news/filters/news_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/news/filters/project_filter.rb b/app/models/queries/news/filters/project_filter.rb
index bb9df55df2..62361fcef7 100644
--- a/app/models/queries/news/filters/project_filter.rb
+++ b/app/models/queries/news/filters/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/news/orders/default_order.rb b/app/models/queries/news/orders/default_order.rb
index 02a42fe1ce..33504acca5 100644
--- a/app/models/queries/news/orders/default_order.rb
+++ b/app/models/queries/news/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications.rb b/app/models/queries/notifications.rb
index 9887653d42..c3ef44ab64 100644
--- a/app/models/queries/notifications.rb
+++ b/app/models/queries/notifications.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -29,27 +27,20 @@
 #++
 
 module Queries::Notifications
-  [Queries::Notifications::Filters::ReadIanFilter,
-   Queries::Notifications::Filters::IdFilter,
-   Queries::Notifications::Filters::ProjectFilter,
-   Queries::Notifications::Filters::ReasonFilter,
-   Queries::Notifications::Filters::ResourceIdFilter,
-   Queries::Notifications::Filters::ResourceTypeFilter].each do |filter|
-    Queries::Register.filter Queries::Notifications::NotificationQuery,
-                             filter
-  end
+  ::Queries::Register.register(NotificationQuery) do
+    filter Filters::ReadIanFilter
+    filter Filters::IdFilter
+    filter Filters::ProjectFilter
+    filter Filters::ReasonFilter
+    filter Filters::ResourceIdFilter
+    filter Filters::ResourceTypeFilter
 
-  [Queries::Notifications::Orders::DefaultOrder,
-   Queries::Notifications::Orders::ReasonOrder,
-   Queries::Notifications::Orders::ProjectOrder,
-   Queries::Notifications::Orders::ReadIanOrder].each do |order|
-    Queries::Register.order Queries::Notifications::NotificationQuery,
-                            order
-  end
+    order Orders::DefaultOrder
+    order Orders::ReasonOrder
+    order Orders::ProjectOrder
+    order Orders::ReadIanOrder
 
-  [Queries::Notifications::GroupBys::GroupByReason,
-   Queries::Notifications::GroupBys::GroupByProject].each do |group|
-    Queries::Register.group_by Queries::Notifications::NotificationQuery,
-                               group
+    group_by GroupBys::GroupByReason
+    group_by GroupBys::GroupByProject
   end
 end
diff --git a/app/models/queries/notifications/filters/id_filter.rb b/app/models/queries/notifications/filters/id_filter.rb
index 61646f076a..ced6ebc4ec 100644
--- a/app/models/queries/notifications/filters/id_filter.rb
+++ b/app/models/queries/notifications/filters/id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/filters/notification_filter.rb b/app/models/queries/notifications/filters/notification_filter.rb
index 5f0f4b9aaa..37866ab4a0 100644
--- a/app/models/queries/notifications/filters/notification_filter.rb
+++ b/app/models/queries/notifications/filters/notification_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/filters/project_filter.rb b/app/models/queries/notifications/filters/project_filter.rb
index fa0dcbf559..aff95be309 100644
--- a/app/models/queries/notifications/filters/project_filter.rb
+++ b/app/models/queries/notifications/filters/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/filters/read_ian_filter.rb b/app/models/queries/notifications/filters/read_ian_filter.rb
index 013282b163..0ac4808845 100644
--- a/app/models/queries/notifications/filters/read_ian_filter.rb
+++ b/app/models/queries/notifications/filters/read_ian_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/filters/reason_filter.rb b/app/models/queries/notifications/filters/reason_filter.rb
index 2ae5514f69..225ba56c6a 100644
--- a/app/models/queries/notifications/filters/reason_filter.rb
+++ b/app/models/queries/notifications/filters/reason_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/filters/resource_id_filter.rb b/app/models/queries/notifications/filters/resource_id_filter.rb
index 8dc5f36c32..832ef0849d 100644
--- a/app/models/queries/notifications/filters/resource_id_filter.rb
+++ b/app/models/queries/notifications/filters/resource_id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/filters/resource_type_filter.rb b/app/models/queries/notifications/filters/resource_type_filter.rb
index 06cd886c8a..445b4617aa 100644
--- a/app/models/queries/notifications/filters/resource_type_filter.rb
+++ b/app/models/queries/notifications/filters/resource_type_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/group_bys/group_by_project.rb b/app/models/queries/notifications/group_bys/group_by_project.rb
index 7115d029c5..fe02b0c4dd 100644
--- a/app/models/queries/notifications/group_bys/group_by_project.rb
+++ b/app/models/queries/notifications/group_bys/group_by_project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/group_bys/group_by_reason.rb b/app/models/queries/notifications/group_bys/group_by_reason.rb
index f86acc354f..7c5a1bf33a 100644
--- a/app/models/queries/notifications/group_bys/group_by_reason.rb
+++ b/app/models/queries/notifications/group_bys/group_by_reason.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/notification_query.rb b/app/models/queries/notifications/notification_query.rb
index 259a04669e..166026eee7 100644
--- a/app/models/queries/notifications/notification_query.rb
+++ b/app/models/queries/notifications/notification_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/models/queries/notifications/orders/default_order.rb b/app/models/queries/notifications/orders/default_order.rb
index 6132809c59..ac55fc0695 100644
--- a/app/models/queries/notifications/orders/default_order.rb
+++ b/app/models/queries/notifications/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/orders/project_order.rb b/app/models/queries/notifications/orders/project_order.rb
index 9c02d40952..97c0a2eb28 100644
--- a/app/models/queries/notifications/orders/project_order.rb
+++ b/app/models/queries/notifications/orders/project_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/orders/read_ian_order.rb b/app/models/queries/notifications/orders/read_ian_order.rb
index 963025bc53..c30c488143 100644
--- a/app/models/queries/notifications/orders/read_ian_order.rb
+++ b/app/models/queries/notifications/orders/read_ian_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/notifications/orders/reason_order.rb b/app/models/queries/notifications/orders/reason_order.rb
index 99ac7c06ce..e34b8389b5 100644
--- a/app/models/queries/notifications/orders/reason_order.rb
+++ b/app/models/queries/notifications/orders/reason_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators.rb b/app/models/queries/operators.rb
index db186ad9cb..3cb44d9c86 100644
--- a/app/models/queries/operators.rb
+++ b/app/models/queries/operators.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/ago.rb b/app/models/queries/operators/ago.rb
index 759ca4961f..9e5c9fc4fa 100644
--- a/app/models/queries/operators/ago.rb
+++ b/app/models/queries/operators/ago.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/all.rb b/app/models/queries/operators/all.rb
index 15a25e4176..1147296d6e 100644
--- a/app/models/queries/operators/all.rb
+++ b/app/models/queries/operators/all.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/all_and_non_blank.rb b/app/models/queries/operators/all_and_non_blank.rb
index 8b91b83ab8..6aea578ccd 100644
--- a/app/models/queries/operators/all_and_non_blank.rb
+++ b/app/models/queries/operators/all_and_non_blank.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/base.rb b/app/models/queries/operators/base.rb
index fd35f373c6..58e1b670df 100644
--- a/app/models/queries/operators/base.rb
+++ b/app/models/queries/operators/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/between_date.rb b/app/models/queries/operators/between_date.rb
index 49df904ec0..d12a32d91a 100644
--- a/app/models/queries/operators/between_date.rb
+++ b/app/models/queries/operators/between_date.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/between_date_time.rb b/app/models/queries/operators/between_date_time.rb
index 2582533853..61128d6440 100644
--- a/app/models/queries/operators/between_date_time.rb
+++ b/app/models/queries/operators/between_date_time.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/blocked.rb b/app/models/queries/operators/blocked.rb
index 0182aab0e7..d0fbe81b51 100644
--- a/app/models/queries/operators/blocked.rb
+++ b/app/models/queries/operators/blocked.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/blocks.rb b/app/models/queries/operators/blocks.rb
index 5e66e8cf86..7b7c43ac82 100644
--- a/app/models/queries/operators/blocks.rb
+++ b/app/models/queries/operators/blocks.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/boolean_equals.rb b/app/models/queries/operators/boolean_equals.rb
index 976be40519..5e60d66f48 100644
--- a/app/models/queries/operators/boolean_equals.rb
+++ b/app/models/queries/operators/boolean_equals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/boolean_equals_strict.rb b/app/models/queries/operators/boolean_equals_strict.rb
index dd0dd5501a..1fb88843f0 100644
--- a/app/models/queries/operators/boolean_equals_strict.rb
+++ b/app/models/queries/operators/boolean_equals_strict.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/boolean_not_equals.rb b/app/models/queries/operators/boolean_not_equals.rb
index b2f046d0d0..e5d44cb348 100644
--- a/app/models/queries/operators/boolean_not_equals.rb
+++ b/app/models/queries/operators/boolean_not_equals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/casted_greater_or_equal.rb b/app/models/queries/operators/casted_greater_or_equal.rb
index 08fea28176..153e8e3d94 100644
--- a/app/models/queries/operators/casted_greater_or_equal.rb
+++ b/app/models/queries/operators/casted_greater_or_equal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/casted_less_or_equal.rb b/app/models/queries/operators/casted_less_or_equal.rb
index ea73d58b01..cf7f7a7657 100644
--- a/app/models/queries/operators/casted_less_or_equal.rb
+++ b/app/models/queries/operators/casted_less_or_equal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/children.rb b/app/models/queries/operators/children.rb
index 1de9c8ae78..66da45a15f 100644
--- a/app/models/queries/operators/children.rb
+++ b/app/models/queries/operators/children.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/closed_work_packages.rb b/app/models/queries/operators/closed_work_packages.rb
index b12fdffca9..88cec66fd6 100644
--- a/app/models/queries/operators/closed_work_packages.rb
+++ b/app/models/queries/operators/closed_work_packages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/concerns/contains_all_values.rb b/app/models/queries/operators/concerns/contains_all_values.rb
index 4839382468..8467041303 100644
--- a/app/models/queries/operators/concerns/contains_all_values.rb
+++ b/app/models/queries/operators/concerns/contains_all_values.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/contains.rb b/app/models/queries/operators/contains.rb
index 817bf02aca..5d035b1e0a 100644
--- a/app/models/queries/operators/contains.rb
+++ b/app/models/queries/operators/contains.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/date_range_clauses.rb b/app/models/queries/operators/date_range_clauses.rb
index 4a26b98eac..6fa64811ed 100644
--- a/app/models/queries/operators/date_range_clauses.rb
+++ b/app/models/queries/operators/date_range_clauses.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/datetime_range_clauses.rb b/app/models/queries/operators/datetime_range_clauses.rb
index 9e88568920..2622155873 100644
--- a/app/models/queries/operators/datetime_range_clauses.rb
+++ b/app/models/queries/operators/datetime_range_clauses.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/duplicated.rb b/app/models/queries/operators/duplicated.rb
index 2d673a5756..b2c8cc25eb 100644
--- a/app/models/queries/operators/duplicated.rb
+++ b/app/models/queries/operators/duplicated.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/duplicates.rb b/app/models/queries/operators/duplicates.rb
index 6ecb5daf30..bab47c7673 100644
--- a/app/models/queries/operators/duplicates.rb
+++ b/app/models/queries/operators/duplicates.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/equals.rb b/app/models/queries/operators/equals.rb
index 260a0fe221..8453bdd311 100644
--- a/app/models/queries/operators/equals.rb
+++ b/app/models/queries/operators/equals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/everywhere.rb b/app/models/queries/operators/everywhere.rb
index 883e8d2d45..4a18d6f702 100644
--- a/app/models/queries/operators/everywhere.rb
+++ b/app/models/queries/operators/everywhere.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/follows.rb b/app/models/queries/operators/follows.rb
index e7348e8844..08cb998c53 100644
--- a/app/models/queries/operators/follows.rb
+++ b/app/models/queries/operators/follows.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/greater_or_equal.rb b/app/models/queries/operators/greater_or_equal.rb
index 3dfb45a007..fd5d5274b4 100644
--- a/app/models/queries/operators/greater_or_equal.rb
+++ b/app/models/queries/operators/greater_or_equal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/in.rb b/app/models/queries/operators/in.rb
index ff03df0944..8e4806cd21 100644
--- a/app/models/queries/operators/in.rb
+++ b/app/models/queries/operators/in.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/in_less_than.rb b/app/models/queries/operators/in_less_than.rb
index 15bc81471b..1b3d56c5d9 100644
--- a/app/models/queries/operators/in_less_than.rb
+++ b/app/models/queries/operators/in_less_than.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/in_more_than.rb b/app/models/queries/operators/in_more_than.rb
index 120f40707a..584d00a3c0 100644
--- a/app/models/queries/operators/in_more_than.rb
+++ b/app/models/queries/operators/in_more_than.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/includes.rb b/app/models/queries/operators/includes.rb
index 2d6ffc73c5..bf18e3f7b4 100644
--- a/app/models/queries/operators/includes.rb
+++ b/app/models/queries/operators/includes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/less_or_equal.rb b/app/models/queries/operators/less_or_equal.rb
index 324b4c9038..b128fc0678 100644
--- a/app/models/queries/operators/less_or_equal.rb
+++ b/app/models/queries/operators/less_or_equal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/less_than_ago.rb b/app/models/queries/operators/less_than_ago.rb
index ff6033ab1b..4a5cedfc65 100644
--- a/app/models/queries/operators/less_than_ago.rb
+++ b/app/models/queries/operators/less_than_ago.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/more_than_ago.rb b/app/models/queries/operators/more_than_ago.rb
index 4ea4c8e601..7389cda3df 100644
--- a/app/models/queries/operators/more_than_ago.rb
+++ b/app/models/queries/operators/more_than_ago.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/none.rb b/app/models/queries/operators/none.rb
index 114b2e575b..cbf2c308ba 100644
--- a/app/models/queries/operators/none.rb
+++ b/app/models/queries/operators/none.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/none_or_blank.rb b/app/models/queries/operators/none_or_blank.rb
index 2e00aa2911..ac6ac9c941 100644
--- a/app/models/queries/operators/none_or_blank.rb
+++ b/app/models/queries/operators/none_or_blank.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/not_contains.rb b/app/models/queries/operators/not_contains.rb
index 37a5df957b..bc80871f77 100644
--- a/app/models/queries/operators/not_contains.rb
+++ b/app/models/queries/operators/not_contains.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/not_equals.rb b/app/models/queries/operators/not_equals.rb
index 5f75a236dc..8aac091f37 100644
--- a/app/models/queries/operators/not_equals.rb
+++ b/app/models/queries/operators/not_equals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/on_date.rb b/app/models/queries/operators/on_date.rb
index 437a06cdc2..db9cd350d8 100644
--- a/app/models/queries/operators/on_date.rb
+++ b/app/models/queries/operators/on_date.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/on_date_time.rb b/app/models/queries/operators/on_date_time.rb
index 1dba39b580..3ca5ebbde1 100644
--- a/app/models/queries/operators/on_date_time.rb
+++ b/app/models/queries/operators/on_date_time.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/open_work_packages.rb b/app/models/queries/operators/open_work_packages.rb
index 331c98256e..6007062af7 100644
--- a/app/models/queries/operators/open_work_packages.rb
+++ b/app/models/queries/operators/open_work_packages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/ordered_work_packages.rb b/app/models/queries/operators/ordered_work_packages.rb
index 2e49222656..b691055914 100644
--- a/app/models/queries/operators/ordered_work_packages.rb
+++ b/app/models/queries/operators/ordered_work_packages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/parent.rb b/app/models/queries/operators/parent.rb
index 9e8e66e330..4806e629ac 100644
--- a/app/models/queries/operators/parent.rb
+++ b/app/models/queries/operators/parent.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/part_of.rb b/app/models/queries/operators/part_of.rb
index c81cf66689..4bc1d73f6d 100644
--- a/app/models/queries/operators/part_of.rb
+++ b/app/models/queries/operators/part_of.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/precedes.rb b/app/models/queries/operators/precedes.rb
index 92318698ec..f0d2ca166d 100644
--- a/app/models/queries/operators/precedes.rb
+++ b/app/models/queries/operators/precedes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/relates.rb b/app/models/queries/operators/relates.rb
index ce9ae039ce..608f2c8b33 100644
--- a/app/models/queries/operators/relates.rb
+++ b/app/models/queries/operators/relates.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/required.rb b/app/models/queries/operators/required.rb
index 99d65bbdd8..6d1dab7f95 100644
--- a/app/models/queries/operators/required.rb
+++ b/app/models/queries/operators/required.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/requires.rb b/app/models/queries/operators/requires.rb
index 579d479448..90740b7073 100644
--- a/app/models/queries/operators/requires.rb
+++ b/app/models/queries/operators/requires.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/this_week.rb b/app/models/queries/operators/this_week.rb
index 04417940c4..e6499ca679 100644
--- a/app/models/queries/operators/this_week.rb
+++ b/app/models/queries/operators/this_week.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/operators/today.rb b/app/models/queries/operators/today.rb
index 4352d5655c..477246ae4e 100644
--- a/app/models/queries/operators/today.rb
+++ b/app/models/queries/operators/today.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/orders/available_orders.rb b/app/models/queries/orders/available_orders.rb
index 317bae3003..5960c57501 100644
--- a/app/models/queries/orders/available_orders.rb
+++ b/app/models/queries/orders/available_orders.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/orders/base.rb b/app/models/queries/orders/base.rb
index 106057cdce..1c2b14a474 100644
--- a/app/models/queries/orders/base.rb
+++ b/app/models/queries/orders/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/orders/not_existing_order.rb b/app/models/queries/orders/not_existing_order.rb
index 05d06ee7b9..0a7a514c5c 100644
--- a/app/models/queries/orders/not_existing_order.rb
+++ b/app/models/queries/orders/not_existing_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users.rb b/app/models/queries/placeholder_users.rb
index d31ecff41b..a58e7cf81a 100644
--- a/app/models/queries/placeholder_users.rb
+++ b/app/models/queries/placeholder_users.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -29,24 +27,14 @@
 #++
 
 module Queries::PlaceholderUsers
-  Queries::Register.filter Queries::PlaceholderUsers::PlaceholderUserQuery,
-                           Queries::PlaceholderUsers::Filters::NameFilter
-
-  Queries::Register.filter Queries::PlaceholderUsers::PlaceholderUserQuery,
-                           Queries::PlaceholderUsers::Filters::AnyNameAttributeFilter
-
-  Queries::Register.filter Queries::PlaceholderUsers::PlaceholderUserQuery,
-                           Queries::PlaceholderUsers::Filters::GroupFilter
-
-  Queries::Register.filter Queries::PlaceholderUsers::PlaceholderUserQuery,
-                           Queries::PlaceholderUsers::Filters::StatusFilter
-
-  Queries::Register.order Queries::PlaceholderUsers::PlaceholderUserQuery,
-                          Queries::PlaceholderUsers::Orders::DefaultOrder
-
-  Queries::Register.order Queries::PlaceholderUsers::PlaceholderUserQuery,
-                          Queries::PlaceholderUsers::Orders::NameOrder
-
-  Queries::Register.order Queries::PlaceholderUsers::PlaceholderUserQuery,
-                          Queries::PlaceholderUsers::Orders::GroupOrder
+  ::Queries::Register.register(PlaceholderUserQuery) do
+    filter Filters::NameFilter
+    filter Filters::AnyNameAttributeFilter
+    filter Filters::GroupFilter
+    filter Filters::StatusFilter
+
+    order Orders::DefaultOrder
+    order Orders::NameOrder
+    order Orders::GroupOrder
+  end
 end
diff --git a/app/models/queries/placeholder_users/filters/any_name_attribute_filter.rb b/app/models/queries/placeholder_users/filters/any_name_attribute_filter.rb
index e20395f2cd..1babfab8b4 100644
--- a/app/models/queries/placeholder_users/filters/any_name_attribute_filter.rb
+++ b/app/models/queries/placeholder_users/filters/any_name_attribute_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users/filters/group_filter.rb b/app/models/queries/placeholder_users/filters/group_filter.rb
index d2522b03a7..41f852cc43 100644
--- a/app/models/queries/placeholder_users/filters/group_filter.rb
+++ b/app/models/queries/placeholder_users/filters/group_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users/filters/name_filter.rb b/app/models/queries/placeholder_users/filters/name_filter.rb
index d04361de37..e523e390f0 100644
--- a/app/models/queries/placeholder_users/filters/name_filter.rb
+++ b/app/models/queries/placeholder_users/filters/name_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users/filters/placeholder_user_filter.rb b/app/models/queries/placeholder_users/filters/placeholder_user_filter.rb
index 71810b9efd..7740e49e11 100644
--- a/app/models/queries/placeholder_users/filters/placeholder_user_filter.rb
+++ b/app/models/queries/placeholder_users/filters/placeholder_user_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users/filters/status_filter.rb b/app/models/queries/placeholder_users/filters/status_filter.rb
index 28baf1dd1b..cd63feece4 100644
--- a/app/models/queries/placeholder_users/filters/status_filter.rb
+++ b/app/models/queries/placeholder_users/filters/status_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users/orders/default_order.rb b/app/models/queries/placeholder_users/orders/default_order.rb
index 2d0ad4d54a..59d610c8f5 100644
--- a/app/models/queries/placeholder_users/orders/default_order.rb
+++ b/app/models/queries/placeholder_users/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users/orders/group_order.rb b/app/models/queries/placeholder_users/orders/group_order.rb
index 47939e66fd..2ba32f0802 100644
--- a/app/models/queries/placeholder_users/orders/group_order.rb
+++ b/app/models/queries/placeholder_users/orders/group_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users/orders/name_order.rb b/app/models/queries/placeholder_users/orders/name_order.rb
index 0986550b35..2be3e420f7 100644
--- a/app/models/queries/placeholder_users/orders/name_order.rb
+++ b/app/models/queries/placeholder_users/orders/name_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/placeholder_users/placeholder_user_query.rb b/app/models/queries/placeholder_users/placeholder_user_query.rb
index f39098e35e..de22a0da75 100644
--- a/app/models/queries/placeholder_users/placeholder_user_query.rb
+++ b/app/models/queries/placeholder_users/placeholder_user_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/models/queries/principals.rb b/app/models/queries/principals.rb
index 9eb8adf777..ec19f28f65 100644
--- a/app/models/queries/principals.rb
+++ b/app/models/queries/principals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,18 +27,15 @@
 #++
 
 module Queries::Principals
-  register = ::Queries::Register
-  filters = ::Queries::Principals::Filters
-  query = ::Queries::Principals::PrincipalQuery
-  orders = Queries::Principals::Orders
-
-  register.filter query, filters::TypeFilter
-  register.filter query, filters::MemberFilter
-  register.filter query, filters::StatusFilter
-  register.filter query, filters::NameFilter
-  register.filter query, filters::AnyNameAttributeFilter
-  register.filter query, filters::TypeaheadFilter
-  register.filter query, filters::IdFilter
+  ::Queries::Register.register(PrincipalQuery) do
+    filter Filters::TypeFilter
+    filter Filters::MemberFilter
+    filter Filters::StatusFilter
+    filter Filters::NameFilter
+    filter Filters::AnyNameAttributeFilter
+    filter Filters::TypeaheadFilter
+    filter Filters::IdFilter
 
-  register.order query, orders::NameOrder
+    order Orders::NameOrder
+  end
 end
diff --git a/app/models/queries/principals/filters/any_name_attribute_filter.rb b/app/models/queries/principals/filters/any_name_attribute_filter.rb
index f2efc16254..8fea6a8d77 100644
--- a/app/models/queries/principals/filters/any_name_attribute_filter.rb
+++ b/app/models/queries/principals/filters/any_name_attribute_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/principals/filters/id_filter.rb b/app/models/queries/principals/filters/id_filter.rb
index c9a7d5f46e..9d27e33237 100644
--- a/app/models/queries/principals/filters/id_filter.rb
+++ b/app/models/queries/principals/filters/id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/principals/filters/member_filter.rb b/app/models/queries/principals/filters/member_filter.rb
index 1adbcfa50e..2cfbf4a829 100644
--- a/app/models/queries/principals/filters/member_filter.rb
+++ b/app/models/queries/principals/filters/member_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/principals/filters/name_filter.rb b/app/models/queries/principals/filters/name_filter.rb
index 334d94ee52..ab596b533f 100644
--- a/app/models/queries/principals/filters/name_filter.rb
+++ b/app/models/queries/principals/filters/name_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/principals/filters/principal_filter.rb b/app/models/queries/principals/filters/principal_filter.rb
index 260c88788b..e67ab5390d 100644
--- a/app/models/queries/principals/filters/principal_filter.rb
+++ b/app/models/queries/principals/filters/principal_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/principals/filters/status_filter.rb b/app/models/queries/principals/filters/status_filter.rb
index 0321a52fad..ec7e09c06d 100644
--- a/app/models/queries/principals/filters/status_filter.rb
+++ b/app/models/queries/principals/filters/status_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/principals/filters/type_filter.rb b/app/models/queries/principals/filters/type_filter.rb
index d4f8ad8e52..37a01c9b51 100644
--- a/app/models/queries/principals/filters/type_filter.rb
+++ b/app/models/queries/principals/filters/type_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/principals/filters/typeahead_filter.rb b/app/models/queries/principals/filters/typeahead_filter.rb
index bb5b37abda..31c371da73 100644
--- a/app/models/queries/principals/filters/typeahead_filter.rb
+++ b/app/models/queries/principals/filters/typeahead_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/principals/orders/name_order.rb b/app/models/queries/principals/orders/name_order.rb
index 8237a1b652..07671dc82f 100644
--- a/app/models/queries/principals/orders/name_order.rb
+++ b/app/models/queries/principals/orders/name_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects.rb b/app/models/queries/projects.rb
index 55ac81a0c2..93d7efd8a0 100644
--- a/app/models/queries/projects.rb
+++ b/app/models/queries/projects.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,34 +27,30 @@
 #++
 
 module Queries::Projects
-  filters = ::Queries::Projects::Filters
-  orders = ::Queries::Projects::Orders
-  query = ::Queries::Projects::ProjectQuery
-
-  ::Queries::Register.register do
-    filter query, filters::AncestorFilter
-    filter query, filters::TypeFilter
-    filter query, filters::ActiveFilter
-    filter query, filters::TemplatedFilter
-    filter query, filters::PublicFilter
-    filter query, filters::NameAndIdentifierFilter
-    filter query, filters::TypeaheadFilter
-    filter query, filters::CustomFieldFilter
-    filter query, filters::CreatedAtFilter
-    filter query, filters::LatestActivityAtFilter
-    filter query, filters::PrincipalFilter
-    filter query, filters::ParentFilter
-    filter query, filters::IdFilter
-    filter query, filters::ProjectStatusFilter
-    filter query, filters::UserActionFilter
-    filter query, filters::VisibleFilter
+  ::Queries::Register.register(ProjectQuery) do
+    filter Filters::AncestorFilter
+    filter Filters::TypeFilter
+    filter Filters::ActiveFilter
+    filter Filters::TemplatedFilter
+    filter Filters::PublicFilter
+    filter Filters::NameAndIdentifierFilter
+    filter Filters::TypeaheadFilter
+    filter Filters::CustomFieldFilter
+    filter Filters::CreatedAtFilter
+    filter Filters::LatestActivityAtFilter
+    filter Filters::PrincipalFilter
+    filter Filters::ParentFilter
+    filter Filters::IdFilter
+    filter Filters::ProjectStatusFilter
+    filter Filters::UserActionFilter
+    filter Filters::VisibleFilter
 
-    order query, orders::DefaultOrder
-    order query, orders::LatestActivityAtOrder
-    order query, orders::RequiredDiskSpaceOrder
-    order query, orders::CustomFieldOrder
-    order query, orders::ProjectStatusOrder
-    order query, orders::NameOrder
-    order query, orders::TypeaheadOrder
+    order Orders::DefaultOrder
+    order Orders::LatestActivityAtOrder
+    order Orders::RequiredDiskSpaceOrder
+    order Orders::CustomFieldOrder
+    order Orders::ProjectStatusOrder
+    order Orders::NameOrder
+    order Orders::TypeaheadOrder
   end
 end
diff --git a/app/models/queries/projects/filters/active_filter.rb b/app/models/queries/projects/filters/active_filter.rb
index f9113a05bd..bfaeff9ecc 100644
--- a/app/models/queries/projects/filters/active_filter.rb
+++ b/app/models/queries/projects/filters/active_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/ancestor_filter.rb b/app/models/queries/projects/filters/ancestor_filter.rb
index 693109e161..02148d7090 100644
--- a/app/models/queries/projects/filters/ancestor_filter.rb
+++ b/app/models/queries/projects/filters/ancestor_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/created_at_filter.rb b/app/models/queries/projects/filters/created_at_filter.rb
index 928385f17b..7af2d20fbf 100644
--- a/app/models/queries/projects/filters/created_at_filter.rb
+++ b/app/models/queries/projects/filters/created_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/custom_field_context.rb b/app/models/queries/projects/filters/custom_field_context.rb
index 58cc43be60..84ef4d0370 100644
--- a/app/models/queries/projects/filters/custom_field_context.rb
+++ b/app/models/queries/projects/filters/custom_field_context.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/custom_field_filter.rb b/app/models/queries/projects/filters/custom_field_filter.rb
index 452113bada..f4a67ba78b 100644
--- a/app/models/queries/projects/filters/custom_field_filter.rb
+++ b/app/models/queries/projects/filters/custom_field_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/id_filter.rb b/app/models/queries/projects/filters/id_filter.rb
index 484755ffdd..fbd8ff8b70 100644
--- a/app/models/queries/projects/filters/id_filter.rb
+++ b/app/models/queries/projects/filters/id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/latest_activity_at_filter.rb b/app/models/queries/projects/filters/latest_activity_at_filter.rb
index ea1168ec26..5aef10bc9e 100644
--- a/app/models/queries/projects/filters/latest_activity_at_filter.rb
+++ b/app/models/queries/projects/filters/latest_activity_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/name_and_identifier_filter.rb b/app/models/queries/projects/filters/name_and_identifier_filter.rb
index 83d4b0a1e3..1577db3c5b 100644
--- a/app/models/queries/projects/filters/name_and_identifier_filter.rb
+++ b/app/models/queries/projects/filters/name_and_identifier_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/parent_filter.rb b/app/models/queries/projects/filters/parent_filter.rb
index dd78debe2f..bebd7b3e65 100644
--- a/app/models/queries/projects/filters/parent_filter.rb
+++ b/app/models/queries/projects/filters/parent_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/principal_filter.rb b/app/models/queries/projects/filters/principal_filter.rb
index eccffb6f61..69ab6cca7b 100644
--- a/app/models/queries/projects/filters/principal_filter.rb
+++ b/app/models/queries/projects/filters/principal_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/project_filter.rb b/app/models/queries/projects/filters/project_filter.rb
index 9aa5fdbde2..68a6720cd8 100644
--- a/app/models/queries/projects/filters/project_filter.rb
+++ b/app/models/queries/projects/filters/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/project_status_filter.rb b/app/models/queries/projects/filters/project_status_filter.rb
index 61351dbf87..1a6bfbf4e5 100644
--- a/app/models/queries/projects/filters/project_status_filter.rb
+++ b/app/models/queries/projects/filters/project_status_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/public_filter.rb b/app/models/queries/projects/filters/public_filter.rb
index c510fe2082..26cb34b508 100644
--- a/app/models/queries/projects/filters/public_filter.rb
+++ b/app/models/queries/projects/filters/public_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/templated_filter.rb b/app/models/queries/projects/filters/templated_filter.rb
index e40e99383e..d9836e98a0 100644
--- a/app/models/queries/projects/filters/templated_filter.rb
+++ b/app/models/queries/projects/filters/templated_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/type_filter.rb b/app/models/queries/projects/filters/type_filter.rb
index 361df0d882..d079ca3cf0 100644
--- a/app/models/queries/projects/filters/type_filter.rb
+++ b/app/models/queries/projects/filters/type_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/typeahead_filter.rb b/app/models/queries/projects/filters/typeahead_filter.rb
index c8e92f1735..9cdb42807f 100644
--- a/app/models/queries/projects/filters/typeahead_filter.rb
+++ b/app/models/queries/projects/filters/typeahead_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/user_action_filter.rb b/app/models/queries/projects/filters/user_action_filter.rb
index 050e28ead2..0fb0079237 100644
--- a/app/models/queries/projects/filters/user_action_filter.rb
+++ b/app/models/queries/projects/filters/user_action_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/filters/visible_filter.rb b/app/models/queries/projects/filters/visible_filter.rb
index 8f61723c7e..7819fffbf5 100644
--- a/app/models/queries/projects/filters/visible_filter.rb
+++ b/app/models/queries/projects/filters/visible_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/orders/custom_field_order.rb b/app/models/queries/projects/orders/custom_field_order.rb
index 3231e0dd55..e063780d56 100644
--- a/app/models/queries/projects/orders/custom_field_order.rb
+++ b/app/models/queries/projects/orders/custom_field_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/orders/default_order.rb b/app/models/queries/projects/orders/default_order.rb
index a9895614f4..40b4245531 100644
--- a/app/models/queries/projects/orders/default_order.rb
+++ b/app/models/queries/projects/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/orders/latest_activity_at_order.rb b/app/models/queries/projects/orders/latest_activity_at_order.rb
index b8c63f9ae2..b283271568 100644
--- a/app/models/queries/projects/orders/latest_activity_at_order.rb
+++ b/app/models/queries/projects/orders/latest_activity_at_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/orders/name_order.rb b/app/models/queries/projects/orders/name_order.rb
index 9036bfe8ac..35730b5e12 100644
--- a/app/models/queries/projects/orders/name_order.rb
+++ b/app/models/queries/projects/orders/name_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/orders/project_status_order.rb b/app/models/queries/projects/orders/project_status_order.rb
index b1aa370bdd..4e2de50a10 100644
--- a/app/models/queries/projects/orders/project_status_order.rb
+++ b/app/models/queries/projects/orders/project_status_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/orders/required_disk_space_order.rb b/app/models/queries/projects/orders/required_disk_space_order.rb
index 2eedbf6b5a..baf7e4381e 100644
--- a/app/models/queries/projects/orders/required_disk_space_order.rb
+++ b/app/models/queries/projects/orders/required_disk_space_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/projects/orders/typeahead_order.rb b/app/models/queries/projects/orders/typeahead_order.rb
index 4cefc83650..1360e6d27e 100644
--- a/app/models/queries/projects/orders/typeahead_order.rb
+++ b/app/models/queries/projects/orders/typeahead_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/queries.rb b/app/models/queries/queries.rb
index bd21d32de1..6f79a6254a 100644
--- a/app/models/queries/queries.rb
+++ b/app/models/queries/queries.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -33,13 +31,11 @@
 # all projects that are global
 
 module Queries::Queries
-  filters_ns = Queries::Queries::Filters
-  query_ns = Queries::Queries::QueryQuery
-  register = Queries::Register
-
-  register.filter query_ns, filters_ns::ProjectFilter
-  register.filter query_ns, filters_ns::ProjectIdentifierFilter
-  register.filter query_ns, filters_ns::HiddenFilter
-  register.filter query_ns, filters_ns::UpdatedAtFilter
-  register.filter query_ns, filters_ns::IdFilter
+  ::Queries::Register.register(QueryQuery) do
+    filter Filters::ProjectFilter
+    filter Filters::ProjectIdentifierFilter
+    filter Filters::HiddenFilter
+    filter Filters::UpdatedAtFilter
+    filter Filters::IdFilter
+  end
 end
diff --git a/app/models/queries/queries/filters/hidden_filter.rb b/app/models/queries/queries/filters/hidden_filter.rb
index 45c59f901b..1e434a5a0e 100644
--- a/app/models/queries/queries/filters/hidden_filter.rb
+++ b/app/models/queries/queries/filters/hidden_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/queries/filters/id_filter.rb b/app/models/queries/queries/filters/id_filter.rb
index 09719724c4..5b09368fe0 100644
--- a/app/models/queries/queries/filters/id_filter.rb
+++ b/app/models/queries/queries/filters/id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/queries/filters/project_filter.rb b/app/models/queries/queries/filters/project_filter.rb
index a9f7aecc33..3ddccbc56e 100644
--- a/app/models/queries/queries/filters/project_filter.rb
+++ b/app/models/queries/queries/filters/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/queries/filters/project_identifier_filter.rb b/app/models/queries/queries/filters/project_identifier_filter.rb
index 60708d059d..6338eeac3b 100644
--- a/app/models/queries/queries/filters/project_identifier_filter.rb
+++ b/app/models/queries/queries/filters/project_identifier_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/queries/filters/query_filter.rb b/app/models/queries/queries/filters/query_filter.rb
index 3d8ef9bdbb..ab6e443b6a 100644
--- a/app/models/queries/queries/filters/query_filter.rb
+++ b/app/models/queries/queries/filters/query_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/queries/filters/updated_at_filter.rb b/app/models/queries/queries/filters/updated_at_filter.rb
index 7a72dcd8a2..6f881c3f2b 100644
--- a/app/models/queries/queries/filters/updated_at_filter.rb
+++ b/app/models/queries/queries/filters/updated_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/register.rb b/app/models/queries/register.rb
index 3119515ae9..8bd720fe8b 100644
--- a/app/models/queries/register.rb
+++ b/app/models/queries/register.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -68,8 +66,8 @@ module Queries::Register
       @columns[query] << column
     end
 
-    def register(&block)
-      instance_exec(&block)
+    def register(query, &block)
+      Registration.new(query).instance_exec(&block)
     end
 
     attr_accessor :filters,
@@ -78,4 +76,33 @@ module Queries::Register
                   :columns,
                   :group_bys
   end
+
+  class Registration
+    attr_reader :query
+
+    def initialize(query)
+      @query = query
+    end
+
+    def filter(filter)
+      Queries::Register.filter(query, filter)
+    end
+
+    # Exclude filter from filters collection representer.
+    def exclude(filter)
+      Queries::Register.exclude(filter)
+    end
+
+    def order(order)
+      Queries::Register.order(query, order)
+    end
+
+    def group_by(group_by)
+      Queries::Register.group_by(query, group_by)
+    end
+
+    def column(column)
+      Queries::Register.column(query, column)
+    end
+  end
 end
diff --git a/app/models/queries/relations.rb b/app/models/queries/relations.rb
index 071310e01e..93bb8eb279 100644
--- a/app/models/queries/relations.rb
+++ b/app/models/queries/relations.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -30,16 +28,14 @@
 
 module Queries
   module Relations
-    register = ::Queries::Register
-    filters = ::Queries::Relations::Filters
-    query = ::Queries::Relations::RelationQuery
-
-    register.filter query, filters::IdFilter
-    register.filter query, filters::FromFilter
-    register.filter query, filters::ToFilter
-    register.filter query, filters::InvolvedFilter
-    register.filter query, filters::TypeFilter
+    ::Queries::Register.register(RelationQuery) do
+      filter Filters::IdFilter
+      filter Filters::FromFilter
+      filter Filters::ToFilter
+      filter Filters::InvolvedFilter
+      filter Filters::TypeFilter
 
-    register.order query, ::Queries::Relations::Orders::DefaultOrder
+      order Orders::DefaultOrder
+    end
   end
 end
diff --git a/app/models/queries/relations/filters/from_filter.rb b/app/models/queries/relations/filters/from_filter.rb
index 392dc2ef86..3e066b86a7 100644
--- a/app/models/queries/relations/filters/from_filter.rb
+++ b/app/models/queries/relations/filters/from_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/relations/filters/id_filter.rb b/app/models/queries/relations/filters/id_filter.rb
index 0e9b277052..a611dfb96c 100644
--- a/app/models/queries/relations/filters/id_filter.rb
+++ b/app/models/queries/relations/filters/id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/relations/filters/involved_filter.rb b/app/models/queries/relations/filters/involved_filter.rb
index d2b4dc68ee..63ecd2323d 100644
--- a/app/models/queries/relations/filters/involved_filter.rb
+++ b/app/models/queries/relations/filters/involved_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/relations/filters/relation_filter.rb b/app/models/queries/relations/filters/relation_filter.rb
index 844dcd740a..81675aaeb6 100644
--- a/app/models/queries/relations/filters/relation_filter.rb
+++ b/app/models/queries/relations/filters/relation_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/relations/filters/to_filter.rb b/app/models/queries/relations/filters/to_filter.rb
index 2fefde7cdd..857ae2eba1 100644
--- a/app/models/queries/relations/filters/to_filter.rb
+++ b/app/models/queries/relations/filters/to_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/relations/filters/type_filter.rb b/app/models/queries/relations/filters/type_filter.rb
index b1e04321c7..cd4af92ea9 100644
--- a/app/models/queries/relations/filters/type_filter.rb
+++ b/app/models/queries/relations/filters/type_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/relations/filters/visibility_checking.rb b/app/models/queries/relations/filters/visibility_checking.rb
index d370a2c23e..77b1d6ba9f 100644
--- a/app/models/queries/relations/filters/visibility_checking.rb
+++ b/app/models/queries/relations/filters/visibility_checking.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/relations/orders/default_order.rb b/app/models/queries/relations/orders/default_order.rb
index 91aae7a2be..85921f6776 100644
--- a/app/models/queries/relations/orders/default_order.rb
+++ b/app/models/queries/relations/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/roles.rb b/app/models/queries/roles.rb
index 668c2d70c5..301217c292 100644
--- a/app/models/queries/roles.rb
+++ b/app/models/queries/roles.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,10 +27,8 @@
 #++
 
 module Queries::Roles
-  register = ::Queries::Register
-  filters = ::Queries::Roles::Filters
-  query = ::Queries::Roles::RoleQuery
-
-  register.filter query, filters::GrantableFilter
-  register.filter query, filters::UnitFilter
+  ::Queries::Register.register(RoleQuery) do
+    filter Filters::GrantableFilter
+    filter Filters::UnitFilter
+  end
 end
diff --git a/app/models/queries/roles/filters/grantable_filter.rb b/app/models/queries/roles/filters/grantable_filter.rb
index c15a53431e..cb798438d0 100644
--- a/app/models/queries/roles/filters/grantable_filter.rb
+++ b/app/models/queries/roles/filters/grantable_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/roles/filters/role_filter.rb b/app/models/queries/roles/filters/role_filter.rb
index a79b059ca8..dada7cc4ea 100644
--- a/app/models/queries/roles/filters/role_filter.rb
+++ b/app/models/queries/roles/filters/role_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/roles/filters/unit_filter.rb b/app/models/queries/roles/filters/unit_filter.rb
index 46476c0678..1bc7a2a14e 100644
--- a/app/models/queries/roles/filters/unit_filter.rb
+++ b/app/models/queries/roles/filters/unit_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users.rb b/app/models/queries/users.rb
index 797a70000d..0cbf0ffb7e 100644
--- a/app/models/queries/users.rb
+++ b/app/models/queries/users.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,14 +27,16 @@
 #++
 
 module Queries::Users
-  Queries::Register.filter Queries::Users::UserQuery, Queries::Users::Filters::NameFilter
-  Queries::Register.filter Queries::Users::UserQuery, Queries::Users::Filters::AnyNameAttributeFilter
-  Queries::Register.filter Queries::Users::UserQuery, Queries::Users::Filters::GroupFilter
-  Queries::Register.filter Queries::Users::UserQuery, Queries::Users::Filters::StatusFilter
-  Queries::Register.filter Queries::Users::UserQuery, Queries::Users::Filters::LoginFilter
-  Queries::Register.filter Queries::Users::UserQuery, Queries::Users::Filters::BlockedFilter
+  ::Queries::Register.register(UserQuery) do
+    filter Filters::NameFilter
+    filter Filters::AnyNameAttributeFilter
+    filter Filters::GroupFilter
+    filter Filters::StatusFilter
+    filter Filters::LoginFilter
+    filter Filters::BlockedFilter
 
-  Queries::Register.order Queries::Users::UserQuery, Queries::Users::Orders::DefaultOrder
-  Queries::Register.order Queries::Users::UserQuery, Queries::Users::Orders::NameOrder
-  Queries::Register.order Queries::Users::UserQuery, Queries::Users::Orders::GroupOrder
+    order Orders::DefaultOrder
+    order Orders::NameOrder
+    order Orders::GroupOrder
+  end
 end
diff --git a/app/models/queries/users/filters/any_name_attribute_filter.rb b/app/models/queries/users/filters/any_name_attribute_filter.rb
index 7bec231cf4..74910394f7 100644
--- a/app/models/queries/users/filters/any_name_attribute_filter.rb
+++ b/app/models/queries/users/filters/any_name_attribute_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/filters/blocked_filter.rb b/app/models/queries/users/filters/blocked_filter.rb
index dc04837d88..40562c229a 100644
--- a/app/models/queries/users/filters/blocked_filter.rb
+++ b/app/models/queries/users/filters/blocked_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/filters/group_filter.rb b/app/models/queries/users/filters/group_filter.rb
index 7757ed4e38..0f6cc8a6c9 100644
--- a/app/models/queries/users/filters/group_filter.rb
+++ b/app/models/queries/users/filters/group_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/filters/login_filter.rb b/app/models/queries/users/filters/login_filter.rb
index 178d6a4d8a..99d3dee1ab 100644
--- a/app/models/queries/users/filters/login_filter.rb
+++ b/app/models/queries/users/filters/login_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/filters/name_filter.rb b/app/models/queries/users/filters/name_filter.rb
index d712bd6fdf..835d920623 100644
--- a/app/models/queries/users/filters/name_filter.rb
+++ b/app/models/queries/users/filters/name_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/filters/status_filter.rb b/app/models/queries/users/filters/status_filter.rb
index 326677133a..7b40fcfa1f 100644
--- a/app/models/queries/users/filters/status_filter.rb
+++ b/app/models/queries/users/filters/status_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/filters/user_filter.rb b/app/models/queries/users/filters/user_filter.rb
index 618a432d1c..c6ac58d94b 100644
--- a/app/models/queries/users/filters/user_filter.rb
+++ b/app/models/queries/users/filters/user_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/orders/default_order.rb b/app/models/queries/users/orders/default_order.rb
index ed4614d182..aa0c03a0d7 100644
--- a/app/models/queries/users/orders/default_order.rb
+++ b/app/models/queries/users/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/orders/group_order.rb b/app/models/queries/users/orders/group_order.rb
index f80d700835..d55ebd5bef 100644
--- a/app/models/queries/users/orders/group_order.rb
+++ b/app/models/queries/users/orders/group_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/users/orders/name_order.rb b/app/models/queries/users/orders/name_order.rb
index 5347fae8d9..d9af649e0e 100644
--- a/app/models/queries/users/orders/name_order.rb
+++ b/app/models/queries/users/orders/name_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/versions.rb b/app/models/queries/versions.rb
index dc436860ce..22783e60c0 100644
--- a/app/models/queries/versions.rb
+++ b/app/models/queries/versions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,13 +27,10 @@
 #++
 
 module Queries::Versions
-  register = ::Queries::Register
-  filters = ::Queries::Versions::Filters
-  orders = ::Queries::Versions::Orders
-  query = ::Queries::Versions::VersionQuery
-
-  register.filter query, filters::SharingFilter
+  ::Queries::Register.register(VersionQuery) do
+    filter Filters::SharingFilter
 
-  register.order query, orders::NameOrder
-  register.order query, orders::SemverNameOrder
+    order Orders::NameOrder
+    order Orders::SemverNameOrder
+  end
 end
diff --git a/app/models/queries/versions/filters/sharing_filter.rb b/app/models/queries/versions/filters/sharing_filter.rb
index 726ee5df2f..c2c12b062d 100644
--- a/app/models/queries/versions/filters/sharing_filter.rb
+++ b/app/models/queries/versions/filters/sharing_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/versions/filters/version_filter.rb b/app/models/queries/versions/filters/version_filter.rb
index b51da2982e..1ff1809bbb 100644
--- a/app/models/queries/versions/filters/version_filter.rb
+++ b/app/models/queries/versions/filters/version_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/versions/orders/name_order.rb b/app/models/queries/versions/orders/name_order.rb
index 1416ef7680..50bd3280e2 100644
--- a/app/models/queries/versions/orders/name_order.rb
+++ b/app/models/queries/versions/orders/name_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/versions/orders/semver_name_order.rb b/app/models/queries/versions/orders/semver_name_order.rb
index d144f9078e..6d95451813 100644
--- a/app/models/queries/versions/orders/semver_name_order.rb
+++ b/app/models/queries/versions/orders/semver_name_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/views.rb b/app/models/queries/views.rb
index a7baa88ce4..f206d56584 100644
--- a/app/models/queries/views.rb
+++ b/app/models/queries/views.rb
@@ -27,16 +27,10 @@
 #++
 
 module Queries::Views
-  [
-    Queries::Views::Filters::ProjectFilter,
-    Queries::Views::Filters::TypeFilter
-  ].each do |filter|
-    Queries::Register.filter Queries::Views::ViewQuery,
-                             filter
-  end
+  ::Queries::Register.register(ViewQuery) do
+    filter Filters::ProjectFilter
+    filter Filters::TypeFilter
 
-  [Queries::Views::Orders::DefaultOrder].each do |order|
-    Queries::Register.order Queries::Views::ViewQuery,
-                            order
+    order Orders::DefaultOrder
   end
 end
diff --git a/app/models/queries/views/orders/default_order.rb b/app/models/queries/views/orders/default_order.rb
index 0f821b8eb5..0b95199632 100644
--- a/app/models/queries/views/orders/default_order.rb
+++ b/app/models/queries/views/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages.rb b/app/models/queries/work_packages.rb
index 8dc5d54456..3e6bc3033d 100644
--- a/app/models/queries/work_packages.rb
+++ b/app/models/queries/work_packages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,63 +27,60 @@
 #++
 
 module Queries::WorkPackages
-  filters_module = Queries::WorkPackages::Filter
-  register = Queries::Register
-
-  register.filter Query, filters_module::AssignedToFilter
-  register.filter Query, filters_module::AssigneeOrGroupFilter
-  register.filter Query, filters_module::AttachmentContentFilter
-  register.filter Query, filters_module::AttachmentFileNameFilter
-  register.filter Query, filters_module::AuthorFilter
-  register.filter Query, filters_module::CategoryFilter
-  register.filter Query, filters_module::CreatedAtFilter
-  register.filter Query, filters_module::CustomFieldFilter
-  register.filter Query, filters_module::DoneRatioFilter
-  register.filter Query, filters_module::DueDateFilter
-  register.filter Query, filters_module::EstimatedHoursFilter
-  register.filter Query, filters_module::GroupFilter
-  register.filter Query, filters_module::IdFilter
-  register.filter Query, filters_module::PriorityFilter
-  register.filter Query, filters_module::ProjectFilter
-  register.filter Query, filters_module::ResponsibleFilter
-  register.filter Query, filters_module::RoleFilter
-  register.filter Query, filters_module::StartDateFilter
-  register.filter Query, filters_module::StatusFilter
-  register.filter Query, filters_module::SubjectFilter
-  register.filter Query, filters_module::SubprojectFilter
-  register.filter Query, filters_module::OnlySubprojectFilter
-  register.filter Query, filters_module::TypeFilter
-  register.filter Query, filters_module::UpdatedAtFilter
-  register.filter Query, filters_module::VersionFilter
-  register.filter Query, filters_module::WatcherFilter
-  register.filter Query, filters_module::DatesIntervalFilter
-  register.filter Query, filters_module::ParentFilter
-  register.filter Query, filters_module::PrecedesFilter
-  register.filter Query, filters_module::FollowsFilter
-  register.filter Query, filters_module::RelatesFilter
-  register.filter Query, filters_module::DuplicatesFilter
-  register.filter Query, filters_module::DuplicatedFilter
-  register.filter Query, filters_module::BlocksFilter
-  register.filter Query, filters_module::BlockedFilter
-  register.filter Query, filters_module::PartofFilter
-  register.filter Query, filters_module::IncludesFilter
-  register.filter Query, filters_module::RequiresFilter
-  register.filter Query, filters_module::RequiredFilter
-  register.filter Query, filters_module::DescriptionFilter
-  register.filter Query, filters_module::SearchFilter
-  register.filter Query, filters_module::CommentFilter
-  register.filter Query, filters_module::SubjectOrIdFilter
-  register.filter Query, filters_module::ManualSortFilter
-  register.filter Query, filters_module::RelatableFilter
-  register.filter Query, filters_module::MilestoneFilter
-  register.filter Query, filters_module::TypeaheadFilter
-
-  register.exclude filters_module::RelatableFilter
+  ::Queries::Register.register(Query) do
+    filter Filter::AssignedToFilter
+    filter Filter::AssigneeOrGroupFilter
+    filter Filter::AttachmentContentFilter
+    filter Filter::AttachmentFileNameFilter
+    filter Filter::AuthorFilter
+    filter Filter::CategoryFilter
+    filter Filter::CreatedAtFilter
+    filter Filter::CustomFieldFilter
+    filter Filter::DoneRatioFilter
+    filter Filter::DueDateFilter
+    filter Filter::EstimatedHoursFilter
+    filter Filter::GroupFilter
+    filter Filter::IdFilter
+    filter Filter::PriorityFilter
+    filter Filter::ProjectFilter
+    filter Filter::ResponsibleFilter
+    filter Filter::RoleFilter
+    filter Filter::StartDateFilter
+    filter Filter::StatusFilter
+    filter Filter::SubjectFilter
+    filter Filter::SubprojectFilter
+    filter Filter::OnlySubprojectFilter
+    filter Filter::TypeFilter
+    filter Filter::UpdatedAtFilter
+    filter Filter::VersionFilter
+    filter Filter::WatcherFilter
+    filter Filter::DatesIntervalFilter
+    filter Filter::ParentFilter
+    filter Filter::PrecedesFilter
+    filter Filter::FollowsFilter
+    filter Filter::RelatesFilter
+    filter Filter::DuplicatesFilter
+    filter Filter::DuplicatedFilter
+    filter Filter::BlocksFilter
+    filter Filter::BlockedFilter
+    filter Filter::PartofFilter
+    filter Filter::IncludesFilter
+    filter Filter::RequiresFilter
+    filter Filter::RequiredFilter
+    filter Filter::DescriptionFilter
+    filter Filter::SearchFilter
+    filter Filter::CommentFilter
+    filter Filter::SubjectOrIdFilter
+    filter Filter::ManualSortFilter
+    filter Filter::RelatableFilter
+    filter Filter::MilestoneFilter
+    filter Filter::TypeaheadFilter
 
-  columns_module = Queries::WorkPackages::Columns
+    exclude Filter::RelatableFilter
 
-  register.column Query, columns_module::PropertyColumn
-  register.column Query, columns_module::CustomFieldColumn
-  register.column Query, columns_module::RelationToTypeColumn
-  register.column Query, columns_module::RelationOfTypeColumn
+    column Columns::PropertyColumn
+    column Columns::CustomFieldColumn
+    column Columns::RelationToTypeColumn
+    column Columns::RelationOfTypeColumn
+  end
 end
diff --git a/app/models/queries/work_packages/columns/custom_field_column.rb b/app/models/queries/work_packages/columns/custom_field_column.rb
index 5e090523a8..d3f26e28b2 100644
--- a/app/models/queries/work_packages/columns/custom_field_column.rb
+++ b/app/models/queries/work_packages/columns/custom_field_column.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/columns/manual_sorting_column.rb b/app/models/queries/work_packages/columns/manual_sorting_column.rb
index 8d1fe01b20..3e7099b19e 100644
--- a/app/models/queries/work_packages/columns/manual_sorting_column.rb
+++ b/app/models/queries/work_packages/columns/manual_sorting_column.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/columns/property_column.rb b/app/models/queries/work_packages/columns/property_column.rb
index a85ec63325..8165e23369 100644
--- a/app/models/queries/work_packages/columns/property_column.rb
+++ b/app/models/queries/work_packages/columns/property_column.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/columns/relation_column.rb b/app/models/queries/work_packages/columns/relation_column.rb
index 8507348ed6..412a1aed44 100644
--- a/app/models/queries/work_packages/columns/relation_column.rb
+++ b/app/models/queries/work_packages/columns/relation_column.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/columns/relation_of_type_column.rb b/app/models/queries/work_packages/columns/relation_of_type_column.rb
index 760f753e3a..27f18ca300 100644
--- a/app/models/queries/work_packages/columns/relation_of_type_column.rb
+++ b/app/models/queries/work_packages/columns/relation_of_type_column.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/columns/relation_to_type_column.rb b/app/models/queries/work_packages/columns/relation_to_type_column.rb
index e5e93bc595..4b3e695956 100644
--- a/app/models/queries/work_packages/columns/relation_to_type_column.rb
+++ b/app/models/queries/work_packages/columns/relation_to_type_column.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/columns/work_package_column.rb b/app/models/queries/work_packages/columns/work_package_column.rb
index 13a80fad9c..5b47e9a51d 100644
--- a/app/models/queries/work_packages/columns/work_package_column.rb
+++ b/app/models/queries/work_packages/columns/work_package_column.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/common/manual_sorting.rb b/app/models/queries/work_packages/common/manual_sorting.rb
index 5ac11b607c..deeb964bf5 100644
--- a/app/models/queries/work_packages/common/manual_sorting.rb
+++ b/app/models/queries/work_packages/common/manual_sorting.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter.rb b/app/models/queries/work_packages/filter.rb
index 34cdadb623..acadfd0ffd 100644
--- a/app/models/queries/work_packages/filter.rb
+++ b/app/models/queries/work_packages/filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/assigned_to_filter.rb b/app/models/queries/work_packages/filter/assigned_to_filter.rb
index 194a16b8e1..74fd615c25 100644
--- a/app/models/queries/work_packages/filter/assigned_to_filter.rb
+++ b/app/models/queries/work_packages/filter/assigned_to_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/assignee_or_group_filter.rb b/app/models/queries/work_packages/filter/assignee_or_group_filter.rb
index b564b37994..10e06c5fa4 100644
--- a/app/models/queries/work_packages/filter/assignee_or_group_filter.rb
+++ b/app/models/queries/work_packages/filter/assignee_or_group_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/attachment_base_filter.rb b/app/models/queries/work_packages/filter/attachment_base_filter.rb
index 914d1f65ac..5baa6014aa 100644
--- a/app/models/queries/work_packages/filter/attachment_base_filter.rb
+++ b/app/models/queries/work_packages/filter/attachment_base_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/attachment_content_filter.rb b/app/models/queries/work_packages/filter/attachment_content_filter.rb
index 4284d51d0f..cd8739f165 100644
--- a/app/models/queries/work_packages/filter/attachment_content_filter.rb
+++ b/app/models/queries/work_packages/filter/attachment_content_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/attachment_file_name_filter.rb b/app/models/queries/work_packages/filter/attachment_file_name_filter.rb
index 9b40183418..23a1e3f1bd 100644
--- a/app/models/queries/work_packages/filter/attachment_file_name_filter.rb
+++ b/app/models/queries/work_packages/filter/attachment_file_name_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/author_filter.rb b/app/models/queries/work_packages/filter/author_filter.rb
index d51183e92b..34543dd441 100644
--- a/app/models/queries/work_packages/filter/author_filter.rb
+++ b/app/models/queries/work_packages/filter/author_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/blocked_filter.rb b/app/models/queries/work_packages/filter/blocked_filter.rb
index 0cc457b497..a9ba939e04 100644
--- a/app/models/queries/work_packages/filter/blocked_filter.rb
+++ b/app/models/queries/work_packages/filter/blocked_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/blocks_filter.rb b/app/models/queries/work_packages/filter/blocks_filter.rb
index 1718b44c9a..79dfd02eb2 100644
--- a/app/models/queries/work_packages/filter/blocks_filter.rb
+++ b/app/models/queries/work_packages/filter/blocks_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/category_filter.rb b/app/models/queries/work_packages/filter/category_filter.rb
index 78cd20d172..a8b71788ff 100644
--- a/app/models/queries/work_packages/filter/category_filter.rb
+++ b/app/models/queries/work_packages/filter/category_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/comment_filter.rb b/app/models/queries/work_packages/filter/comment_filter.rb
index 2ee1b3837e..10149a1704 100644
--- a/app/models/queries/work_packages/filter/comment_filter.rb
+++ b/app/models/queries/work_packages/filter/comment_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/created_at_filter.rb b/app/models/queries/work_packages/filter/created_at_filter.rb
index 7ecf341ec6..c173c48ae5 100644
--- a/app/models/queries/work_packages/filter/created_at_filter.rb
+++ b/app/models/queries/work_packages/filter/created_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/custom_field_context.rb b/app/models/queries/work_packages/filter/custom_field_context.rb
index a77b704833..f005766303 100644
--- a/app/models/queries/work_packages/filter/custom_field_context.rb
+++ b/app/models/queries/work_packages/filter/custom_field_context.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/custom_field_filter.rb b/app/models/queries/work_packages/filter/custom_field_filter.rb
index 93db29f89c..01fbb61e50 100644
--- a/app/models/queries/work_packages/filter/custom_field_filter.rb
+++ b/app/models/queries/work_packages/filter/custom_field_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/dates_interval_filter.rb b/app/models/queries/work_packages/filter/dates_interval_filter.rb
index 4e3a5abc4f..d501d59371 100644
--- a/app/models/queries/work_packages/filter/dates_interval_filter.rb
+++ b/app/models/queries/work_packages/filter/dates_interval_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/description_filter.rb b/app/models/queries/work_packages/filter/description_filter.rb
index 4756cb5f09..e7cfcddaff 100644
--- a/app/models/queries/work_packages/filter/description_filter.rb
+++ b/app/models/queries/work_packages/filter/description_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/done_ratio_filter.rb b/app/models/queries/work_packages/filter/done_ratio_filter.rb
index d0dcfd2fa4..acee8777d2 100644
--- a/app/models/queries/work_packages/filter/done_ratio_filter.rb
+++ b/app/models/queries/work_packages/filter/done_ratio_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/due_date_filter.rb b/app/models/queries/work_packages/filter/due_date_filter.rb
index d7d74b67d9..835271e7b1 100644
--- a/app/models/queries/work_packages/filter/due_date_filter.rb
+++ b/app/models/queries/work_packages/filter/due_date_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/duplicated_filter.rb b/app/models/queries/work_packages/filter/duplicated_filter.rb
index cea541e340..155f4853fb 100644
--- a/app/models/queries/work_packages/filter/duplicated_filter.rb
+++ b/app/models/queries/work_packages/filter/duplicated_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/duplicates_filter.rb b/app/models/queries/work_packages/filter/duplicates_filter.rb
index c8a1727623..646f7f40fa 100644
--- a/app/models/queries/work_packages/filter/duplicates_filter.rb
+++ b/app/models/queries/work_packages/filter/duplicates_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/estimated_hours_filter.rb b/app/models/queries/work_packages/filter/estimated_hours_filter.rb
index 0cee32f879..aa50e55d8e 100644
--- a/app/models/queries/work_packages/filter/estimated_hours_filter.rb
+++ b/app/models/queries/work_packages/filter/estimated_hours_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/filter_configuration.rb b/app/models/queries/work_packages/filter/filter_configuration.rb
index b8ecfd6f53..dd31a7ee07 100644
--- a/app/models/queries/work_packages/filter/filter_configuration.rb
+++ b/app/models/queries/work_packages/filter/filter_configuration.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/filter_for_wp_mixin.rb b/app/models/queries/work_packages/filter/filter_for_wp_mixin.rb
index 64339330ab..2201224386 100644
--- a/app/models/queries/work_packages/filter/filter_for_wp_mixin.rb
+++ b/app/models/queries/work_packages/filter/filter_for_wp_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/filter_on_directed_relations_mixin.rb b/app/models/queries/work_packages/filter/filter_on_directed_relations_mixin.rb
index 39c51bb9f6..2cf5395ac3 100644
--- a/app/models/queries/work_packages/filter/filter_on_directed_relations_mixin.rb
+++ b/app/models/queries/work_packages/filter/filter_on_directed_relations_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/filter_on_undirected_relations_mixin.rb b/app/models/queries/work_packages/filter/filter_on_undirected_relations_mixin.rb
index 77cd6acaa3..03da04ef81 100644
--- a/app/models/queries/work_packages/filter/filter_on_undirected_relations_mixin.rb
+++ b/app/models/queries/work_packages/filter/filter_on_undirected_relations_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/follows_filter.rb b/app/models/queries/work_packages/filter/follows_filter.rb
index 4a73f73b32..c12aa5300a 100644
--- a/app/models/queries/work_packages/filter/follows_filter.rb
+++ b/app/models/queries/work_packages/filter/follows_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/group_filter.rb b/app/models/queries/work_packages/filter/group_filter.rb
index 96f02a7394..da19cc7054 100644
--- a/app/models/queries/work_packages/filter/group_filter.rb
+++ b/app/models/queries/work_packages/filter/group_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/id_filter.rb b/app/models/queries/work_packages/filter/id_filter.rb
index ed52e4bae7..1b3f6db12a 100644
--- a/app/models/queries/work_packages/filter/id_filter.rb
+++ b/app/models/queries/work_packages/filter/id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/includes_filter.rb b/app/models/queries/work_packages/filter/includes_filter.rb
index c728ee7c58..c13c405ced 100644
--- a/app/models/queries/work_packages/filter/includes_filter.rb
+++ b/app/models/queries/work_packages/filter/includes_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/manual_sort_filter.rb b/app/models/queries/work_packages/filter/manual_sort_filter.rb
index 96cad1b736..9d3fbe1f05 100644
--- a/app/models/queries/work_packages/filter/manual_sort_filter.rb
+++ b/app/models/queries/work_packages/filter/manual_sort_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/me_value_filter_mixin.rb b/app/models/queries/work_packages/filter/me_value_filter_mixin.rb
index df51abc096..fda228d568 100644
--- a/app/models/queries/work_packages/filter/me_value_filter_mixin.rb
+++ b/app/models/queries/work_packages/filter/me_value_filter_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/milestone_filter.rb b/app/models/queries/work_packages/filter/milestone_filter.rb
index f78608a17d..7905c5d9ec 100644
--- a/app/models/queries/work_packages/filter/milestone_filter.rb
+++ b/app/models/queries/work_packages/filter/milestone_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/only_subproject_filter.rb b/app/models/queries/work_packages/filter/only_subproject_filter.rb
index 9a12432fad..7d08083496 100644
--- a/app/models/queries/work_packages/filter/only_subproject_filter.rb
+++ b/app/models/queries/work_packages/filter/only_subproject_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/or_filter_for_wp_mixin.rb b/app/models/queries/work_packages/filter/or_filter_for_wp_mixin.rb
index 0c3124ddc2..b9b25febc9 100644
--- a/app/models/queries/work_packages/filter/or_filter_for_wp_mixin.rb
+++ b/app/models/queries/work_packages/filter/or_filter_for_wp_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/parent_filter.rb b/app/models/queries/work_packages/filter/parent_filter.rb
index 3706725361..4fddac0f27 100644
--- a/app/models/queries/work_packages/filter/parent_filter.rb
+++ b/app/models/queries/work_packages/filter/parent_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/partof_filter.rb b/app/models/queries/work_packages/filter/partof_filter.rb
index 8d66f36d13..a1793f6f10 100644
--- a/app/models/queries/work_packages/filter/partof_filter.rb
+++ b/app/models/queries/work_packages/filter/partof_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/precedes_filter.rb b/app/models/queries/work_packages/filter/precedes_filter.rb
index a9cf1fe467..3e3c04520e 100644
--- a/app/models/queries/work_packages/filter/precedes_filter.rb
+++ b/app/models/queries/work_packages/filter/precedes_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/principal_base_filter.rb b/app/models/queries/work_packages/filter/principal_base_filter.rb
index 33b9a57459..45630cb5b0 100644
--- a/app/models/queries/work_packages/filter/principal_base_filter.rb
+++ b/app/models/queries/work_packages/filter/principal_base_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/principal_loader.rb b/app/models/queries/work_packages/filter/principal_loader.rb
index 7d84f2b9aa..72a5b232e3 100644
--- a/app/models/queries/work_packages/filter/principal_loader.rb
+++ b/app/models/queries/work_packages/filter/principal_loader.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/priority_filter.rb b/app/models/queries/work_packages/filter/priority_filter.rb
index aae5f613ab..97a33de4c7 100644
--- a/app/models/queries/work_packages/filter/priority_filter.rb
+++ b/app/models/queries/work_packages/filter/priority_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/project_filter.rb b/app/models/queries/work_packages/filter/project_filter.rb
index 8eab61915f..9f81d54458 100644
--- a/app/models/queries/work_packages/filter/project_filter.rb
+++ b/app/models/queries/work_packages/filter/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/relatable_filter.rb b/app/models/queries/work_packages/filter/relatable_filter.rb
index 41d9e967d8..8f6ecb8fb4 100644
--- a/app/models/queries/work_packages/filter/relatable_filter.rb
+++ b/app/models/queries/work_packages/filter/relatable_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/relates_filter.rb b/app/models/queries/work_packages/filter/relates_filter.rb
index f9e5ac7d8e..151484d778 100644
--- a/app/models/queries/work_packages/filter/relates_filter.rb
+++ b/app/models/queries/work_packages/filter/relates_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/required_filter.rb b/app/models/queries/work_packages/filter/required_filter.rb
index 7ce8947609..67dd5fac34 100644
--- a/app/models/queries/work_packages/filter/required_filter.rb
+++ b/app/models/queries/work_packages/filter/required_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/requires_filter.rb b/app/models/queries/work_packages/filter/requires_filter.rb
index ce77d52939..b5ba3b3a98 100644
--- a/app/models/queries/work_packages/filter/requires_filter.rb
+++ b/app/models/queries/work_packages/filter/requires_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/responsible_filter.rb b/app/models/queries/work_packages/filter/responsible_filter.rb
index 5961e4ef2f..1a470736c6 100644
--- a/app/models/queries/work_packages/filter/responsible_filter.rb
+++ b/app/models/queries/work_packages/filter/responsible_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/role_filter.rb b/app/models/queries/work_packages/filter/role_filter.rb
index 1253a8d9cc..7be998354a 100644
--- a/app/models/queries/work_packages/filter/role_filter.rb
+++ b/app/models/queries/work_packages/filter/role_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/search_filter.rb b/app/models/queries/work_packages/filter/search_filter.rb
index b40fe3d7ca..a50d988db4 100644
--- a/app/models/queries/work_packages/filter/search_filter.rb
+++ b/app/models/queries/work_packages/filter/search_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/start_date_filter.rb b/app/models/queries/work_packages/filter/start_date_filter.rb
index 0697274f02..7c2c276ab2 100644
--- a/app/models/queries/work_packages/filter/start_date_filter.rb
+++ b/app/models/queries/work_packages/filter/start_date_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/status_filter.rb b/app/models/queries/work_packages/filter/status_filter.rb
index 6583f1997a..fc6857a077 100644
--- a/app/models/queries/work_packages/filter/status_filter.rb
+++ b/app/models/queries/work_packages/filter/status_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/subject_filter.rb b/app/models/queries/work_packages/filter/subject_filter.rb
index c6e26d9028..02e2252e4a 100644
--- a/app/models/queries/work_packages/filter/subject_filter.rb
+++ b/app/models/queries/work_packages/filter/subject_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/subject_or_id_filter.rb b/app/models/queries/work_packages/filter/subject_or_id_filter.rb
index a4e4708fcd..c5a50bd21d 100644
--- a/app/models/queries/work_packages/filter/subject_or_id_filter.rb
+++ b/app/models/queries/work_packages/filter/subject_or_id_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/subproject_filter.rb b/app/models/queries/work_packages/filter/subproject_filter.rb
index 05aff3a364..5e9d82b7d2 100644
--- a/app/models/queries/work_packages/filter/subproject_filter.rb
+++ b/app/models/queries/work_packages/filter/subproject_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/text_filter_on_join_mixin.rb b/app/models/queries/work_packages/filter/text_filter_on_join_mixin.rb
index 57a6d1697e..8d5db46bca 100644
--- a/app/models/queries/work_packages/filter/text_filter_on_join_mixin.rb
+++ b/app/models/queries/work_packages/filter/text_filter_on_join_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/type_filter.rb b/app/models/queries/work_packages/filter/type_filter.rb
index 4ac393a79f..f9b7803063 100644
--- a/app/models/queries/work_packages/filter/type_filter.rb
+++ b/app/models/queries/work_packages/filter/type_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/typeahead_filter.rb b/app/models/queries/work_packages/filter/typeahead_filter.rb
index a9ea3ba0aa..5322d0b8ce 100644
--- a/app/models/queries/work_packages/filter/typeahead_filter.rb
+++ b/app/models/queries/work_packages/filter/typeahead_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/updated_at_filter.rb b/app/models/queries/work_packages/filter/updated_at_filter.rb
index 07e02fd75c..285198f4ed 100644
--- a/app/models/queries/work_packages/filter/updated_at_filter.rb
+++ b/app/models/queries/work_packages/filter/updated_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/version_filter.rb b/app/models/queries/work_packages/filter/version_filter.rb
index f7c8597a26..b2b5cc8786 100644
--- a/app/models/queries/work_packages/filter/version_filter.rb
+++ b/app/models/queries/work_packages/filter/version_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/watcher_filter.rb b/app/models/queries/work_packages/filter/watcher_filter.rb
index 19d7ad3779..ed27cc3c8f 100644
--- a/app/models/queries/work_packages/filter/watcher_filter.rb
+++ b/app/models/queries/work_packages/filter/watcher_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter/work_package_filter.rb b/app/models/queries/work_packages/filter/work_package_filter.rb
index 66451ce832..ce0648b6d8 100644
--- a/app/models/queries/work_packages/filter/work_package_filter.rb
+++ b/app/models/queries/work_packages/filter/work_package_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/queries/work_packages/filter_serializer.rb b/app/models/queries/work_packages/filter_serializer.rb
index d99caaef7e..cce9ed3677 100644
--- a/app/models/queries/work_packages/filter_serializer.rb
+++ b/app/models/queries/work_packages/filter_serializer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query.rb b/app/models/query.rb
index cd772411f6..e14a6f5a5a 100644
--- a/app/models/query.rb
+++ b/app/models/query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query/highlighting.rb b/app/models/query/highlighting.rb
index c95c61d2a7..b4da3ba5bd 100644
--- a/app/models/query/highlighting.rb
+++ b/app/models/query/highlighting.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query/manual_sorting.rb b/app/models/query/manual_sorting.rb
index ff28fe186d..59dc20a12e 100644
--- a/app/models/query/manual_sorting.rb
+++ b/app/models/query/manual_sorting.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query/results.rb b/app/models/query/results.rb
index ca8c1447f9..ebbabd5f4f 100644
--- a/app/models/query/results.rb
+++ b/app/models/query/results.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query/results/group_by.rb b/app/models/query/results/group_by.rb
index 06ad252123..068aca0e9f 100644
--- a/app/models/query/results/group_by.rb
+++ b/app/models/query/results/group_by.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query/results/sums.rb b/app/models/query/results/sums.rb
index cd50fa6117..10d64046ea 100644
--- a/app/models/query/results/sums.rb
+++ b/app/models/query/results/sums.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query/sort_criteria.rb b/app/models/query/sort_criteria.rb
index 6c3465ffac..c9a89188c1 100644
--- a/app/models/query/sort_criteria.rb
+++ b/app/models/query/sort_criteria.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query/statement_invalid.rb b/app/models/query/statement_invalid.rb
index 48b2164f9a..2f3b9742f6 100644
--- a/app/models/query/statement_invalid.rb
+++ b/app/models/query/statement_invalid.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/query/timelines.rb b/app/models/query/timelines.rb
index 052dbcb6e1..f6243a5336 100644
--- a/app/models/query/timelines.rb
+++ b/app/models/query/timelines.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -32,16 +30,16 @@ module Query::Timelines
   extend ActiveSupport::Concern
 
   included do
-    enum timeline_zoom_level: %i(days weeks months quarters years auto)
+    enum timeline_zoom_level: { days: 0, weeks: 1, months: 2, quarters: 3, years: 4, auto: 5 }
     validates :timeline_zoom_level, inclusion: { in: timeline_zoom_levels.keys }
 
     serialize :timeline_labels, Hash
     validate :valid_timeline_labels
 
     def valid_timeline_labels
-      return unless timeline_labels.present?
+      return if timeline_labels.blank?
 
-      valid_keys = %w(farRight left right) == timeline_labels.keys.map(&:to_s).sort
+      valid_keys = timeline_labels.keys.map(&:to_s).sort == %w(farRight left right)
       errors.add :timeline_labels, :invalid unless valid_keys
     end
   end
diff --git a/app/models/relation.rb b/app/models/relation.rb
index fc42850146..f53562688b 100644
--- a/app/models/relation.rb
+++ b/app/models/relation.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/relations/scopes/follows_non_manual_ancestors.rb b/app/models/relations/scopes/follows_non_manual_ancestors.rb
index c7237da71a..2ee375b2c1 100644
--- a/app/models/relations/scopes/follows_non_manual_ancestors.rb
+++ b/app/models/relations/scopes/follows_non_manual_ancestors.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/relations/scopes/visible.rb b/app/models/relations/scopes/visible.rb
index f86dd6896a..b7874a4793 100644
--- a/app/models/relations/scopes/visible.rb
+++ b/app/models/relations/scopes/visible.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/repository.rb b/app/models/repository.rb
index f47cf55908..3e8090484c 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/repository/git.rb b/app/models/repository/git.rb
index 4db90e081a..dbb287edd1 100644
--- a/app/models/repository/git.rb
+++ b/app/models/repository/git.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/repository/subversion.rb b/app/models/repository/subversion.rb
index 22e67a4dd9..cd3157efd1 100644
--- a/app/models/repository/subversion.rb
+++ b/app/models/repository/subversion.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/role.rb b/app/models/role.rb
index accdb3a203..4e6decacfc 100644
--- a/app/models/role.rb
+++ b/app/models/role.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -50,7 +48,7 @@ class Role < ApplicationRecord
 
   has_many :member_roles, dependent: :destroy
   has_many :members, through: :member_roles
-  has_many :role_permissions
+  has_many :role_permissions, dependent: :destroy
 
   default_scope -> {
     includes(:role_permissions)
diff --git a/app/models/role_permission.rb b/app/models/role_permission.rb
index 89a7b43762..091e56154c 100644
--- a/app/models/role_permission.rb
+++ b/app/models/role_permission.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/serializers/indifferent_hash_serializer.rb b/app/models/serializers/indifferent_hash_serializer.rb
index c14b953172..7e826451f8 100644
--- a/app/models/serializers/indifferent_hash_serializer.rb
+++ b/app/models/serializers/indifferent_hash_serializer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/sessions/sql_bypass.rb b/app/models/sessions/sql_bypass.rb
index 4dbb70330d..e1e2c2fc51 100644
--- a/app/models/sessions/sql_bypass.rb
+++ b/app/models/sessions/sql_bypass.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/sessions/user_session.rb b/app/models/sessions/user_session.rb
index a07265f191..6e660d9cc6 100644
--- a/app/models/sessions/user_session.rb
+++ b/app/models/sessions/user_session.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/setting.rb b/app/models/setting.rb
index d207f1b064..379054638c 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/setting/aliases.rb b/app/models/setting/aliases.rb
index 0d03e8763e..778f044e19 100644
--- a/app/models/setting/aliases.rb
+++ b/app/models/setting/aliases.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/setting/callbacks_helper.rb b/app/models/setting/callbacks_helper.rb
index 01901871e4..5d2f3181df 100644
--- a/app/models/setting/callbacks_helper.rb
+++ b/app/models/setting/callbacks_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/setting/self_registration.rb b/app/models/setting/self_registration.rb
index 424fe0f9c2..e030998eda 100644
--- a/app/models/setting/self_registration.rb
+++ b/app/models/setting/self_registration.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/status.rb b/app/models/status.rb
index bc625d3930..56802334eb 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/status/inexistent_status.rb b/app/models/status/inexistent_status.rb
index a09fa9bbb9..aba2e592ea 100644
--- a/app/models/status/inexistent_status.rb
+++ b/app/models/status/inexistent_status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/system_user.rb b/app/models/system_user.rb
index 82cde15168..5598610236 100644
--- a/app/models/system_user.rb
+++ b/app/models/system_user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/token/api.rb b/app/models/token/api.rb
index 6a448c4cf1..e2b96070ce 100644
--- a/app/models/token/api.rb
+++ b/app/models/token/api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/token/auto_login.rb b/app/models/token/auto_login.rb
index b6f1994002..6be7b32528 100644
--- a/app/models/token/auto_login.rb
+++ b/app/models/token/auto_login.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/token/backup.rb b/app/models/token/backup.rb
index 0812a093e8..70ac079016 100644
--- a/app/models/token/backup.rb
+++ b/app/models/token/backup.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/token/enterprise_trial_key.rb b/app/models/token/enterprise_trial_key.rb
index dfaeaea06b..f866746789 100644
--- a/app/models/token/enterprise_trial_key.rb
+++ b/app/models/token/enterprise_trial_key.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/token/invitation.rb b/app/models/token/invitation.rb
index e37374a8d4..e02d3843dc 100644
--- a/app/models/token/invitation.rb
+++ b/app/models/token/invitation.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/token/recovery.rb b/app/models/token/recovery.rb
index 3b30a4835a..8d33cedf85 100644
--- a/app/models/token/recovery.rb
+++ b/app/models/token/recovery.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/token/rss.rb b/app/models/token/rss.rb
index a2309c900c..fc29b975d5 100644
--- a/app/models/token/rss.rb
+++ b/app/models/token/rss.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/type.rb b/app/models/type.rb
index 841938fa0a..32054cc7a7 100644
--- a/app/models/type.rb
+++ b/app/models/type.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/type/attribute_group.rb b/app/models/type/attribute_group.rb
index dcf3ce6113..5f2e4e3309 100644
--- a/app/models/type/attribute_group.rb
+++ b/app/models/type/attribute_group.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/type/attribute_groups.rb b/app/models/type/attribute_groups.rb
index 9539b8939a..a53a51aba2 100644
--- a/app/models/type/attribute_groups.rb
+++ b/app/models/type/attribute_groups.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/type/attributes.rb b/app/models/type/attributes.rb
index d63c7f2fb3..bbcb043806 100644
--- a/app/models/type/attributes.rb
+++ b/app/models/type/attributes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/type/form_group.rb b/app/models/type/form_group.rb
index 6110ccd603..19d2a2fa03 100644
--- a/app/models/type/form_group.rb
+++ b/app/models/type/form_group.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/type/inexistent_type.rb b/app/models/type/inexistent_type.rb
index 70eec7d3de..de73d14de9 100644
--- a/app/models/type/inexistent_type.rb
+++ b/app/models/type/inexistent_type.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/type/query_group.rb b/app/models/type/query_group.rb
index 9666176530..e02dd75b15 100644
--- a/app/models/type/query_group.rb
+++ b/app/models/type/query_group.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/types/scopes/milestone.rb b/app/models/types/scopes/milestone.rb
index 9592cb88ce..b3915f5d32 100644
--- a/app/models/types/scopes/milestone.rb
+++ b/app/models/types/scopes/milestone.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/user.rb b/app/models/user.rb
index 2b07d72622..d12c97a344 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -105,10 +103,10 @@ class User < Principal
   attr_accessor :password, :password_confirmation, :last_before_login_on
 
   validates :login,
-                        :firstname,
-                        :lastname,
-                        :mail,
-                        presence: { unless: Proc.new { |user| user.builtin? } }
+            :firstname,
+            :lastname,
+            :mail,
+            presence: { unless: Proc.new { |user| user.builtin? } }
 
   validates :login, uniqueness: { if: Proc.new { |user| !user.login.blank? }, case_sensitive: false }
   validates :mail, uniqueness: { allow_blank: true, case_sensitive: false }
diff --git a/app/models/user_custom_field.rb b/app/models/user_custom_field.rb
index 3ab4e911ec..90b2f2e7fe 100644
--- a/app/models/user_custom_field.rb
+++ b/app/models/user_custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/user_password.rb b/app/models/user_password.rb
index 0eab8bead2..f4472d06ad 100644
--- a/app/models/user_password.rb
+++ b/app/models/user_password.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/user_password/bcrypt.rb b/app/models/user_password/bcrypt.rb
index 76f86a95cf..e8e558edb1 100644
--- a/app/models/user_password/bcrypt.rb
+++ b/app/models/user_password/bcrypt.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/user_password/sha1.rb b/app/models/user_password/sha1.rb
index 5d710a27e2..0af083670e 100644
--- a/app/models/user_password/sha1.rb
+++ b/app/models/user_password/sha1.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/user_preference.rb b/app/models/user_preference.rb
index a6d35706e8..6de8d78350 100644
--- a/app/models/user_preference.rb
+++ b/app/models/user_preference.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/user_preferences/schema.rb b/app/models/user_preferences/schema.rb
index 9212993fe1..95ec2d8f6c 100644
--- a/app/models/user_preferences/schema.rb
+++ b/app/models/user_preferences/schema.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/users/inexistent_user.rb b/app/models/users/inexistent_user.rb
index 4e7023bb92..aa5141fc62 100644
--- a/app/models/users/inexistent_user.rb
+++ b/app/models/users/inexistent_user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/users/project_authorization_cache.rb b/app/models/users/project_authorization_cache.rb
index 9777445a77..6e855a5109 100644
--- a/app/models/users/project_authorization_cache.rb
+++ b/app/models/users/project_authorization_cache.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/users/project_role_cache.rb b/app/models/users/project_role_cache.rb
index 0dad7324ee..6357d8467e 100644
--- a/app/models/users/project_role_cache.rb
+++ b/app/models/users/project_role_cache.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/users/scopes/find_by_login.rb b/app/models/users/scopes/find_by_login.rb
index ad43c8b07b..088bafd813 100644
--- a/app/models/users/scopes/find_by_login.rb
+++ b/app/models/users/scopes/find_by_login.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/users/scopes/having_reminder_mail_to_send.rb b/app/models/users/scopes/having_reminder_mail_to_send.rb
index beb979f5f9..45de39c622 100644
--- a/app/models/users/scopes/having_reminder_mail_to_send.rb
+++ b/app/models/users/scopes/having_reminder_mail_to_send.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/users/scopes/newest.rb b/app/models/users/scopes/newest.rb
index 1d44b17c6f..0729df93fa 100644
--- a/app/models/users/scopes/newest.rb
+++ b/app/models/users/scopes/newest.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/users/scopes/notified_globally.rb b/app/models/users/scopes/notified_globally.rb
index 3b42024ae0..1811ad9a36 100644
--- a/app/models/users/scopes/notified_globally.rb
+++ b/app/models/users/scopes/notified_globally.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/users/scopes/watcher_recipients.rb b/app/models/users/scopes/watcher_recipients.rb
index f64a29e9aa..ee35905bfd 100644
--- a/app/models/users/scopes/watcher_recipients.rb
+++ b/app/models/users/scopes/watcher_recipients.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/version.rb b/app/models/version.rb
index 0cfcfdadf8..b2de329603 100644
--- a/app/models/version.rb
+++ b/app/models/version.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/version_custom_field.rb b/app/models/version_custom_field.rb
index edfcf7b1b5..a20067a2a0 100644
--- a/app/models/version_custom_field.rb
+++ b/app/models/version_custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/versions/project_sharing.rb b/app/models/versions/project_sharing.rb
index a7445a91b5..be39edf004 100644
--- a/app/models/versions/project_sharing.rb
+++ b/app/models/versions/project_sharing.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/versions/scopes/order_by_semver_name.rb b/app/models/versions/scopes/order_by_semver_name.rb
index 4be1c09c9a..aac530a05d 100644
--- a/app/models/versions/scopes/order_by_semver_name.rb
+++ b/app/models/versions/scopes/order_by_semver_name.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/versions/scopes/rolled_up.rb b/app/models/versions/scopes/rolled_up.rb
index 6123171d6c..d4d7d9554d 100644
--- a/app/models/versions/scopes/rolled_up.rb
+++ b/app/models/versions/scopes/rolled_up.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/versions/scopes/shared_with.rb b/app/models/versions/scopes/shared_with.rb
index ee634d3322..64a75f0459 100644
--- a/app/models/versions/scopes/shared_with.rb
+++ b/app/models/versions/scopes/shared_with.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/watcher.rb b/app/models/watcher.rb
index e87191aa00..7023ed91fe 100644
--- a/app/models/watcher.rb
+++ b/app/models/watcher.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/wiki.rb b/app/models/wiki.rb
index 19f7999c15..c7ac06821f 100644
--- a/app/models/wiki.rb
+++ b/app/models/wiki.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/wiki_content.rb b/app/models/wiki_content.rb
index 2d99a530e8..6220481af7 100644
--- a/app/models/wiki_content.rb
+++ b/app/models/wiki_content.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/wiki_page.rb b/app/models/wiki_page.rb
index e0999e2684..ab485ef10e 100644
--- a/app/models/wiki_page.rb
+++ b/app/models/wiki_page.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/wiki_redirect.rb b/app/models/wiki_redirect.rb
index 469de91869..c17fc46d52 100644
--- a/app/models/wiki_redirect.rb
+++ b/app/models/wiki_redirect.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/wikis/annotate.rb b/app/models/wikis/annotate.rb
index 022f651c58..c7cc0d61ff 100644
--- a/app/models/wikis/annotate.rb
+++ b/app/models/wikis/annotate.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/wikis/diff.rb b/app/models/wikis/diff.rb
index 1219fef715..df2cff5dec 100644
--- a/app/models/wikis/diff.rb
+++ b/app/models/wikis/diff.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package.rb b/app/models/work_package.rb
index eefe6ebacd..31e5259a79 100644
--- a/app/models/work_package.rb
+++ b/app/models/work_package.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/ancestors.rb b/app/models/work_package/ancestors.rb
index 98d368e47e..202fd5d46d 100644
--- a/app/models/work_package/ancestors.rb
+++ b/app/models/work_package/ancestors.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/ask_before_destruction.rb b/app/models/work_package/ask_before_destruction.rb
index c446896c27..5cbfbc82fd 100644
--- a/app/models/work_package/ask_before_destruction.rb
+++ b/app/models/work_package/ask_before_destruction.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/custom_actioned.rb b/app/models/work_package/custom_actioned.rb
index 6b0d44825d..9cd5bd2ee5 100644
--- a/app/models/work_package/custom_actioned.rb
+++ b/app/models/work_package/custom_actioned.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/exports/csv.rb b/app/models/work_package/exports/csv.rb
index 72654d8bdf..6e6a28adf1 100644
--- a/app/models/work_package/exports/csv.rb
+++ b/app/models/work_package/exports/csv.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/exports/formatters/costs.rb b/app/models/work_package/exports/formatters/costs.rb
index c2dd9d9609..67e3e02bab 100644
--- a/app/models/work_package/exports/formatters/costs.rb
+++ b/app/models/work_package/exports/formatters/costs.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/exports/formatters/estimated_hours.rb b/app/models/work_package/exports/formatters/estimated_hours.rb
index 8e58348ec9..e904a9cd51 100644
--- a/app/models/work_package/exports/formatters/estimated_hours.rb
+++ b/app/models/work_package/exports/formatters/estimated_hours.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/exports/query_exporter.rb b/app/models/work_package/exports/query_exporter.rb
index 9b8b41bf14..4e7b616db1 100644
--- a/app/models/work_package/exports/query_exporter.rb
+++ b/app/models/work_package/exports/query_exporter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/hooks.rb b/app/models/work_package/hooks.rb
index 9209debacd..a31d3f9c7e 100644
--- a/app/models/work_package/hooks.rb
+++ b/app/models/work_package/hooks.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/inexistent_work_package.rb b/app/models/work_package/inexistent_work_package.rb
index 94d8aca8bb..e4b67e8bad 100644
--- a/app/models/work_package/inexistent_work_package.rb
+++ b/app/models/work_package/inexistent_work_package.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/journalized.rb b/app/models/work_package/journalized.rb
index 323e8e6125..c912635381 100644
--- a/app/models/work_package/journalized.rb
+++ b/app/models/work_package/journalized.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/parent.rb b/app/models/work_package/parent.rb
index a3e4250018..e2a16ce53d 100644
--- a/app/models/work_package/parent.rb
+++ b/app/models/work_package/parent.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/pdf_export/attachments.rb b/app/models/work_package/pdf_export/attachments.rb
index 8fe919ac11..9b3e2cdb63 100644
--- a/app/models/work_package/pdf_export/attachments.rb
+++ b/app/models/work_package/pdf_export/attachments.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/pdf_export/common.rb b/app/models/work_package/pdf_export/common.rb
index 31fb0799fa..b1c5025c95 100644
--- a/app/models/work_package/pdf_export/common.rb
+++ b/app/models/work_package/pdf_export/common.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/pdf_export/formattable.rb b/app/models/work_package/pdf_export/formattable.rb
index 399ceaf483..7e0029127a 100644
--- a/app/models/work_package/pdf_export/formattable.rb
+++ b/app/models/work_package/pdf_export/formattable.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/pdf_export/view.rb b/app/models/work_package/pdf_export/view.rb
index b577b112d4..778ac95459 100644
--- a/app/models/work_package/pdf_export/view.rb
+++ b/app/models/work_package/pdf_export/view.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/pdf_export/work_package_list_to_pdf.rb b/app/models/work_package/pdf_export/work_package_list_to_pdf.rb
index d682445d35..39ed2a3844 100644
--- a/app/models/work_package/pdf_export/work_package_list_to_pdf.rb
+++ b/app/models/work_package/pdf_export/work_package_list_to_pdf.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/pdf_export/work_package_to_pdf.rb b/app/models/work_package/pdf_export/work_package_to_pdf.rb
index def6e98363..311546d3f4 100644
--- a/app/models/work_package/pdf_export/work_package_to_pdf.rb
+++ b/app/models/work_package/pdf_export/work_package_to_pdf.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/scheduling_rules.rb b/app/models/work_package/scheduling_rules.rb
index 80b56b16f1..46493629d5 100644
--- a/app/models/work_package/scheduling_rules.rb
+++ b/app/models/work_package/scheduling_rules.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/status_transitions.rb b/app/models/work_package/status_transitions.rb
index 572b2af5d0..fa8a462953 100644
--- a/app/models/work_package/status_transitions.rb
+++ b/app/models/work_package/status_transitions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/time_entries_cleaner.rb b/app/models/work_package/time_entries_cleaner.rb
index 2642f51535..3306bbf7c9 100644
--- a/app/models/work_package/time_entries_cleaner.rb
+++ b/app/models/work_package/time_entries_cleaner.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/typed_dag_defaults.rb b/app/models/work_package/typed_dag_defaults.rb
index c16f15325f..adc6164ab7 100644
--- a/app/models/work_package/typed_dag_defaults.rb
+++ b/app/models/work_package/typed_dag_defaults.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package/validations.rb b/app/models/work_package/validations.rb
index 0a72437aa2..aa6aac3885 100644
--- a/app/models/work_package/validations.rb
+++ b/app/models/work_package/validations.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_package_custom_field.rb b/app/models/work_package_custom_field.rb
index 59bef9f6a2..489bd2b20d 100644
--- a/app/models/work_package_custom_field.rb
+++ b/app/models/work_package_custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_packages/costs.rb b/app/models/work_packages/costs.rb
index b72add8630..193df68a79 100644
--- a/app/models/work_packages/costs.rb
+++ b/app/models/work_packages/costs.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_packages/derived_dates.rb b/app/models/work_packages/derived_dates.rb
index 34e3521987..3074c5d3f9 100644
--- a/app/models/work_packages/derived_dates.rb
+++ b/app/models/work_packages/derived_dates.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_packages/scopes/for_scheduling.rb b/app/models/work_packages/scopes/for_scheduling.rb
index 86bee80a35..8d801f6869 100644
--- a/app/models/work_packages/scopes/for_scheduling.rb
+++ b/app/models/work_packages/scopes/for_scheduling.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -119,51 +117,52 @@ module WorkPackages::Scopes
       def paths_sql(work_packages)
         values = work_packages.map { |wp| "(#{wp.id}, false)" }.join(', ')
 
-        <<~SQL
-             to_schedule (id, manually) AS (
-               SELECT * FROM (VALUES#{values}) AS t(id, manually)
+        <<~SQL.squish
+          to_schedule (id, manually) AS (
+            SELECT * FROM (VALUES#{values}) AS t(id, manually)
 
-               UNION
+            UNION
 
-               SELECT
-                 CASE
-                   WHEN relations.to_id = to_schedule.id
-                   THEN relations.from_id
-                   ELSE relations.to_id
-                 END id,
-                 (work_packages.schedule_manually OR COALESCE(descendants.schedule_manually, false)) manually
-               FROM
-                 to_schedule
-               JOIN
-                 relations
-                 ON NOT to_schedule.manually
-                 AND (#{relations_condition_sql})
-                 AND
-                   ((relations.to_id = to_schedule.id)
-                   OR (relations.from_id = to_schedule.id AND relations.follows = 0))
-               LEFT JOIN work_packages
-                 ON (CASE
-                   WHEN relations.to_id = to_schedule.id
-                   THEN relations.from_id
-                   ELSE relations.to_id
-                   END) = work_packages.id
-               LEFT JOIN (
-                 SELECT
-                   relations.from_id,
-                   bool_and(COALESCE(work_packages.schedule_manually, false)) schedule_manually
-                 FROM relations relations
-                 JOIN work_packages
-                 ON
-                   work_packages.id = relations.to_id
-                   AND relations.follows = 0 AND #{relations_condition_sql(transitive: true)}
-                 GROUP BY relations.from_id
-          ) descendants ON work_packages.id = descendants.from_id
-             )
+            SELECT
+              CASE
+                WHEN relations.to_id = to_schedule.id
+                THEN relations.from_id
+                ELSE relations.to_id
+              END id,
+              (related_work_packages.schedule_manually OR COALESCE(descendants.schedule_manually, false)) manually
+            FROM
+              to_schedule
+            JOIN
+              relations
+              ON NOT to_schedule.manually
+              AND (#{relations_condition_sql})
+              AND
+                ((relations.to_id = to_schedule.id)
+                OR (relations.from_id = to_schedule.id AND relations.follows = 0))
+            LEFT JOIN work_packages related_work_packages
+              ON (CASE
+                WHEN relations.to_id = to_schedule.id
+                THEN relations.from_id
+                ELSE relations.to_id
+                END) = related_work_packages.id
+            LEFT JOIN LATERAL (
+              SELECT
+                relations.from_id,
+                bool_and(COALESCE(work_packages.schedule_manually, false)) schedule_manually
+              FROM relations relations
+              JOIN work_packages
+              ON
+                work_packages.id = relations.to_id
+                AND related_work_packages.id = relations.from_id
+                AND relations.follows = 0 AND #{relations_condition_sql(transitive: true)}
+              GROUP BY relations.from_id
+            ) descendants ON related_work_packages.id = descendants.from_id
+          )
         SQL
       end
 
       def relations_condition_sql(transitive: false)
-        <<~SQL
+        <<~SQL.squish
           "relations"."relates" = 0 AND "relations"."duplicates" = 0 AND "relations"."blocks" = 0 AND "relations"."includes" = 0 AND "relations"."requires" = 0
             AND (relations.hierarchy + relations.relates + relations.duplicates + relations.follows + relations.blocks + relations.includes + relations.requires #{transitive ? '>' : ''}= 1)
         SQL
diff --git a/app/models/work_packages/scopes/include_derived_dates.rb b/app/models/work_packages/scopes/include_derived_dates.rb
index dd7fd10949..7f8a07767c 100644
--- a/app/models/work_packages/scopes/include_derived_dates.rb
+++ b/app/models/work_packages/scopes/include_derived_dates.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_packages/scopes/include_spent_time.rb b/app/models/work_packages/scopes/include_spent_time.rb
index 1cb98d56b8..ac1852fbcd 100644
--- a/app/models/work_packages/scopes/include_spent_time.rb
+++ b/app/models/work_packages/scopes/include_spent_time.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_packages/scopes/left_join_self_and_descendants.rb b/app/models/work_packages/scopes/left_join_self_and_descendants.rb
index 3f9d70f8ef..f2c3826064 100644
--- a/app/models/work_packages/scopes/left_join_self_and_descendants.rb
+++ b/app/models/work_packages/scopes/left_join_self_and_descendants.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/work_packages/spent_time.rb b/app/models/work_packages/spent_time.rb
index 3e77988389..23348f1a43 100644
--- a/app/models/work_packages/spent_time.rb
+++ b/app/models/work_packages/spent_time.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/models/workflow.rb b/app/models/workflow.rb
index 71b75b18db..c0ac88f5b3 100644
--- a/app/models/workflow.rb
+++ b/app/models/workflow.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/admin_user_seeder.rb b/app/seeders/admin_user_seeder.rb
index 55f4c3cffb..58c6c43a82 100644
--- a/app/seeders/admin_user_seeder.rb
+++ b/app/seeders/admin_user_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/activity_seeder.rb b/app/seeders/basic_data/activity_seeder.rb
index 7de5199a19..edd4c668d4 100644
--- a/app/seeders/basic_data/activity_seeder.rb
+++ b/app/seeders/basic_data/activity_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/builtin_roles_seeder.rb b/app/seeders/basic_data/builtin_roles_seeder.rb
index ddeffa895e..f70ec3b8cb 100644
--- a/app/seeders/basic_data/builtin_roles_seeder.rb
+++ b/app/seeders/basic_data/builtin_roles_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/color_scheme_seeder.rb b/app/seeders/basic_data/color_scheme_seeder.rb
index 6cd29120c0..f76a43c03f 100644
--- a/app/seeders/basic_data/color_scheme_seeder.rb
+++ b/app/seeders/basic_data/color_scheme_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/color_seeder.rb b/app/seeders/basic_data/color_seeder.rb
index 46464c5821..5929550b3e 100644
--- a/app/seeders/basic_data/color_seeder.rb
+++ b/app/seeders/basic_data/color_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/priority_seeder.rb b/app/seeders/basic_data/priority_seeder.rb
index 3ceaf418bb..2d8d76eec0 100644
--- a/app/seeders/basic_data/priority_seeder.rb
+++ b/app/seeders/basic_data/priority_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/role_seeder.rb b/app/seeders/basic_data/role_seeder.rb
index 9f338b5e66..785bf33576 100644
--- a/app/seeders/basic_data/role_seeder.rb
+++ b/app/seeders/basic_data/role_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -76,6 +74,7 @@ module BasicData
           move_work_packages
           edit_work_packages
           assign_versions
+          work_package_assigned
           add_work_package_notes
           edit_own_work_package_notes
           manage_work_package_relations
diff --git a/app/seeders/basic_data/setting_seeder.rb b/app/seeders/basic_data/setting_seeder.rb
index 36ad70a1f1..e766d22ae8 100644
--- a/app/seeders/basic_data/setting_seeder.rb
+++ b/app/seeders/basic_data/setting_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/status_seeder.rb b/app/seeders/basic_data/status_seeder.rb
index c5f48e135b..113bc4ccfe 100644
--- a/app/seeders/basic_data/status_seeder.rb
+++ b/app/seeders/basic_data/status_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/type_seeder.rb b/app/seeders/basic_data/type_seeder.rb
index fa054dfd41..0c1f864f51 100644
--- a/app/seeders/basic_data/type_seeder.rb
+++ b/app/seeders/basic_data/type_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data/workflow_seeder.rb b/app/seeders/basic_data/workflow_seeder.rb
index 8066153088..5e145015b1 100644
--- a/app/seeders/basic_data/workflow_seeder.rb
+++ b/app/seeders/basic_data/workflow_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/basic_data_seeder.rb b/app/seeders/basic_data_seeder.rb
index 45f5d34c7b..5ce1d8cb74 100644
--- a/app/seeders/basic_data_seeder.rb
+++ b/app/seeders/basic_data_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/composite_seeder.rb b/app/seeders/composite_seeder.rb
index 559172866b..ff4642ba0c 100644
--- a/app/seeders/composite_seeder.rb
+++ b/app/seeders/composite_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/demo_data/attribute_help_text_seeder.rb b/app/seeders/demo_data/attribute_help_text_seeder.rb
index 28a7b13a25..82952ec7a0 100644
--- a/app/seeders/demo_data/attribute_help_text_seeder.rb
+++ b/app/seeders/demo_data/attribute_help_text_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 
 # OpenProject is an open source project management software.
diff --git a/app/seeders/demo_data/custom_field_seeder.rb b/app/seeders/demo_data/custom_field_seeder.rb
index 5e004ccc56..3caa95c6f7 100644
--- a/app/seeders/demo_data/custom_field_seeder.rb
+++ b/app/seeders/demo_data/custom_field_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/demo_data/global_query_seeder.rb b/app/seeders/demo_data/global_query_seeder.rb
index b104f39f9a..24561a6d0e 100644
--- a/app/seeders/demo_data/global_query_seeder.rb
+++ b/app/seeders/demo_data/global_query_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 
 # OpenProject is an open source project management software.
diff --git a/app/seeders/demo_data/group_seeder.rb b/app/seeders/demo_data/group_seeder.rb
index 6e661313bf..5f409f14e0 100644
--- a/app/seeders/demo_data/group_seeder.rb
+++ b/app/seeders/demo_data/group_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 
 # OpenProject is an open source project management software.
diff --git a/app/seeders/demo_data/project_seeder.rb b/app/seeders/demo_data/project_seeder.rb
index e7eb3bd044..8449ebf8fa 100644
--- a/app/seeders/demo_data/project_seeder.rb
+++ b/app/seeders/demo_data/project_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 
 # OpenProject is an open source project management software.
@@ -134,7 +132,7 @@ module DemoData
 
     def set_members(project)
       role = Role.find_by(name: translate_with_base_url(:default_role_project_admin))
-      user = User.admin.first
+      user = User.user.admin.first
 
       Member.create!(
         project: project,
diff --git a/app/seeders/demo_data/query_builder.rb b/app/seeders/demo_data/query_builder.rb
index f3bc2dfbdd..17ba39c7f0 100644
--- a/app/seeders/demo_data/query_builder.rb
+++ b/app/seeders/demo_data/query_builder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -50,10 +48,11 @@ module DemoData
     def base_attributes
       {
         name: config[:name],
-        user: User.admin.first,
-        public: config[:public] != false,
-        show_hierarchies: config[:hierarchy] == true,
-        timeline_visible: config[:timeline] == true
+        user: User.admin.user.first,
+        public: config.fetch(:public, true),
+        starred: config.fetch(:starred, false),
+        show_hierarchies: config.fetch(:hierarchy, false),
+        timeline_visible: config.fetch(:timeline, false)
       }
     end
 
@@ -75,10 +74,15 @@ module DemoData
     end
 
     def create_view(query)
+      type = config.fetch(:module, 'work_packages_table')
       View.create!(
-        type: 'work_packages_table',
+        type: type,
         query: query
       )
+
+      # Save information that a view has been seeded.
+      # This information can be used for example in the onboarding tour
+      Setting["demo_view_of_type_#{type}_seeded"] = 'true'
     end
 
     def set_project!(attr)
@@ -122,14 +126,13 @@ module DemoData
       set_version_filter! filters
       set_type_filter! filters
       set_parent_filter! filters
+      set_assignee_filter! filters
 
       filters
     end
 
     def set_status_filter!(filters)
-      status = String(config[:status])
-
-      filters[:status_id] = { operator: "o" } if status == "open"
+      filters[:status_id] = { operator: "o" } if String(config[:status]) == "open"
     end
 
     def set_version_filter!(filters)
@@ -142,14 +145,14 @@ module DemoData
     end
 
     def set_type_filter!(filters)
-      types = Array(config[:type]).map do |name|
-        Type.find_by(name: translate_with_base_url(name))
-      end
+      types = Type
+                .where(name: Array(config[:type]).map { |name| translate_with_base_url(name) })
+                .pluck(:id)
 
-      if !types.empty?
+      if types.any?
         filters[:type_id] = {
           operator: "=",
-          values: types.map(&:id).map(&:to_s)
+          values: types.map(&:to_s)
         }
       end
     end
@@ -163,6 +166,22 @@ module DemoData
       end
     end
 
+    def set_assignee_filter!(filters)
+      users = Array(config[:assignee])
+                .map(&:split)
+                .inject(User.user.none) do |scope, (firstname, lastname)|
+                  scope.or(User.user.where(firstname: firstname, lastname: lastname))
+                end
+                .pluck(:id)
+
+      if users.any?
+        filters[:assigned_to_id] = {
+          operator: "=",
+          values: users.map(&:to_s)
+        }
+      end
+    end
+
     def backlogs_present?
       @backlogs_present = defined? OpenProject::Backlogs if @backlogs_present.nil?
 
diff --git a/app/seeders/demo_data/references.rb b/app/seeders/demo_data/references.rb
index 2f6e046c5b..d27fad56ba 100644
--- a/app/seeders/demo_data/references.rb
+++ b/app/seeders/demo_data/references.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/demo_data/version_builder.rb b/app/seeders/demo_data/version_builder.rb
index a0a9b79324..95eae517d8 100644
--- a/app/seeders/demo_data/version_builder.rb
+++ b/app/seeders/demo_data/version_builder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/demo_data/wiki_seeder.rb b/app/seeders/demo_data/wiki_seeder.rb
index 8343124b8c..8e5930f39a 100644
--- a/app/seeders/demo_data/wiki_seeder.rb
+++ b/app/seeders/demo_data/wiki_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/demo_data/work_package_board_seeder.rb b/app/seeders/demo_data/work_package_board_seeder.rb
index 1452256ae2..418f8f2533 100644
--- a/app/seeders/demo_data/work_package_board_seeder.rb
+++ b/app/seeders/demo_data/work_package_board_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 
 # OpenProject is an open source project management software.
diff --git a/app/seeders/demo_data/work_package_seeder.rb b/app/seeders/demo_data/work_package_seeder.rb
index 1b67a5cf50..028ca696f8 100644
--- a/app/seeders/demo_data/work_package_seeder.rb
+++ b/app/seeders/demo_data/work_package_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -36,7 +34,7 @@ module DemoData
     def initialize(project, key)
       self.project = project
       self.key = key
-      self.user = User.admin.first
+      self.user = User.user.admin.first
       self.statuses = Status.all
       self.repository = Repository.first
       self.types = project.types.all.reject(&:is_milestone?)
@@ -148,7 +146,7 @@ module DemoData
     end
 
     def set_time_tracking_attributes!(wp_attr, attributes)
-      start_date = attributes[:start] && calculate_start_date(attributes[:start])
+      start_date = calculate_start_date(attributes[:start])
 
       wp_attr[:start_date] = start_date
       wp_attr[:due_date] = calculate_due_date(start_date, attributes[:duration]) if start_date && attributes[:duration]
@@ -207,12 +205,13 @@ module DemoData
     end
 
     def calculate_start_date(days_ahead)
-      monday = Date.today.monday
-      days_ahead > 0 ? monday + days_ahead : monday
+      Time.zone.today.monday + (days_ahead || 0).days
     end
 
+    # Returns the due date based on the starting date and the duration
+    # but ensures that the due date cannot be before the start date.
     def calculate_due_date(date, duration)
-      duration && duration > 1 ? date + duration : date
+      [date + ((duration || 0) - 1).days, date].max
     end
   end
 end
diff --git a/app/seeders/demo_data_seeder.rb b/app/seeders/demo_data_seeder.rb
index f42c40d888..b86ca8ce3b 100644
--- a/app/seeders/demo_data_seeder.rb
+++ b/app/seeders/demo_data_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/development_data/custom_fields_seeder.rb b/app/seeders/development_data/custom_fields_seeder.rb
index 2e36a1f4d6..a53eec9f9e 100644
--- a/app/seeders/development_data/custom_fields_seeder.rb
+++ b/app/seeders/development_data/custom_fields_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/development_data/projects_seeder.rb b/app/seeders/development_data/projects_seeder.rb
index 38d7fd9b7d..83256a4a2a 100644
--- a/app/seeders/development_data/projects_seeder.rb
+++ b/app/seeders/development_data/projects_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/development_data/users_seeder.rb b/app/seeders/development_data/users_seeder.rb
index c68ea2c0c9..c620767a72 100644
--- a/app/seeders/development_data/users_seeder.rb
+++ b/app/seeders/development_data/users_seeder.rb
@@ -1,4 +1,3 @@
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -26,8 +25,6 @@
 #
 # See COPYRIGHT and LICENSE files for more details.
 #++
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/development_data_seeder.rb b/app/seeders/development_data_seeder.rb
index dc6993836c..00a65341d2 100644
--- a/app/seeders/development_data_seeder.rb
+++ b/app/seeders/development_data_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/random_data/forum_seeder.rb b/app/seeders/random_data/forum_seeder.rb
index 813705996c..2b4e34e791 100644
--- a/app/seeders/random_data/forum_seeder.rb
+++ b/app/seeders/random_data/forum_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/random_data/news_seeder.rb b/app/seeders/random_data/news_seeder.rb
index 462a210304..1e3a965687 100644
--- a/app/seeders/random_data/news_seeder.rb
+++ b/app/seeders/random_data/news_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/random_data/wiki_seeder.rb b/app/seeders/random_data/wiki_seeder.rb
index c4a77383e6..673f50d4eb 100644
--- a/app/seeders/random_data/wiki_seeder.rb
+++ b/app/seeders/random_data/wiki_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/random_data/work_package_seeder.rb b/app/seeders/random_data/work_package_seeder.rb
index 095f0b286d..3597d1d1ac 100644
--- a/app/seeders/random_data/work_package_seeder.rb
+++ b/app/seeders/random_data/work_package_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/random_data_seeder.rb b/app/seeders/random_data_seeder.rb
index 9bc4c2d268..523a8c34e3 100644
--- a/app/seeders/random_data_seeder.rb
+++ b/app/seeders/random_data_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/seeders/root_seeder.rb b/app/seeders/root_seeder.rb
index 08bfdc9967..73df04bbce 100644
--- a/app/seeders/root_seeder.rb
+++ b/app/seeders/root_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -101,7 +99,7 @@ class RootSeeder < Seeder
     # #set_language_if_valid here as it
     # would mean to circumvent the default settings
     # for valid_languages.
-    desired_lang = (ENV['LOCALE'] || :en).to_sym
+    desired_lang = (ENV['OPENPROJECT_SEED_LOCALE'] || :en).to_sym
 
     if all_languages.include?(desired_lang)
       I18n.locale = desired_lang
diff --git a/app/seeders/seeder.rb b/app/seeders/seeder.rb
index 7aab6727bf..4085568534 100644
--- a/app/seeders/seeder.rb
+++ b/app/seeders/seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -35,7 +33,7 @@ class Seeder
         seed_data!
       end
     else
-      puts "   *** #{not_applicable_message}"
+      Rails.logger.debug { "   *** #{not_applicable_message}" }
     end
   end
 
@@ -54,27 +52,20 @@ class Seeder
   protected
 
   def print_status(message)
-    print message
-
-    return unless block_given?
+    Rails.logger.info message
 
-    yield
-    puts
+    yield if block_given?
   end
 
   ##
   # Translate the given string with the fixed interpolation for base_url
   # Deep interpolation is required in order for interpolations on hashes to work!
-  def translate_with_base_url(string)
-    I18n.t(string, deep_interpolation: true, base_url: "{{opSetting:base_url}}")
+  def translate_with_base_url(string, **i18n_options)
+    I18n.t(string, deep_interpolation: true, base_url: "{{opSetting:base_url}}", **i18n_options)
   end
 
   def edition_data_for(key)
-    data = translate_with_base_url("seeders.#{OpenProject::Configuration['edition']}.#{key}")
-
-    return nil if data.is_a?(String) && data.start_with?("translation missing")
-
-    data
+    translate_with_base_url("seeders.#{OpenProject::Configuration['edition']}.#{key}", default: nil)
   end
 
   def demo_data_for(key)
diff --git a/app/seeders/standard_seeder/basic_data/activity_seeder.rb b/app/seeders/standard_seeder/basic_data/activity_seeder.rb
index 92fa7a688d..5082ef7241 100644
--- a/app/seeders/standard_seeder/basic_data/activity_seeder.rb
+++ b/app/seeders/standard_seeder/basic_data/activity_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/standard_seeder/basic_data/priority_seeder.rb b/app/seeders/standard_seeder/basic_data/priority_seeder.rb
index b104cfdf01..f0d20a6847 100644
--- a/app/seeders/standard_seeder/basic_data/priority_seeder.rb
+++ b/app/seeders/standard_seeder/basic_data/priority_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/standard_seeder/basic_data/status_seeder.rb b/app/seeders/standard_seeder/basic_data/status_seeder.rb
index bea9afb761..045bc416fa 100644
--- a/app/seeders/standard_seeder/basic_data/status_seeder.rb
+++ b/app/seeders/standard_seeder/basic_data/status_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/standard_seeder/basic_data/type_seeder.rb b/app/seeders/standard_seeder/basic_data/type_seeder.rb
index 4ba671206d..03bfa379a2 100644
--- a/app/seeders/standard_seeder/basic_data/type_seeder.rb
+++ b/app/seeders/standard_seeder/basic_data/type_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/standard_seeder/basic_data/workflow_seeder.rb b/app/seeders/standard_seeder/basic_data/workflow_seeder.rb
index c495dea172..806ea66227 100644
--- a/app/seeders/standard_seeder/basic_data/workflow_seeder.rb
+++ b/app/seeders/standard_seeder/basic_data/workflow_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/seeders/standard_seeder/basic_data_seeder.rb b/app/seeders/standard_seeder/basic_data_seeder.rb
index 3522c5674c..4ca670082c 100644
--- a/app/seeders/standard_seeder/basic_data_seeder.rb
+++ b/app/seeders/standard_seeder/basic_data_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/add_work_package_note_service.rb b/app/services/add_work_package_note_service.rb
index 364364a64d..0148b578c7 100644
--- a/app/services/add_work_package_note_service.rb
+++ b/app/services/add_work_package_note_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/api/v3/work_package_collection_from_query_service.rb b/app/services/api/v3/work_package_collection_from_query_service.rb
index 1226013791..0667fb2395 100644
--- a/app/services/api/v3/work_package_collection_from_query_service.rb
+++ b/app/services/api/v3/work_package_collection_from_query_service.rb
@@ -30,7 +30,7 @@ module API
   module V3
     class WorkPackageCollectionFromQueryService
       include Utilities::PathHelper
-      include ::API::Utilities::PageSizeHelper
+      include ::API::Utilities::UrlPropsParsingHelper
 
       def initialize(query, user, scope: nil)
         self.query = query
@@ -88,6 +88,8 @@ module API
             params[:offset] = to_i_or_nil(params[:offset])
             params[:pageSize] = pageSizeParam(params)
           end
+
+          params[:select] = nested_from_csv(provided_params['select'])
         end
       end
 
@@ -147,18 +149,27 @@ module API
       def collection_representer(work_packages, params:, project:, groups:, sums:)
         resulting_params = calculate_resulting_params(params)
 
-        ::API::V3::WorkPackages::WorkPackageCollectionRepresenter.new(
-          work_packages,
-          self_link: self_link(project),
-          project: project,
-          query: resulting_params,
-          page: resulting_params[:offset],
-          per_page: resulting_params[:pageSize],
-          groups: groups,
-          total_sums: sums,
-          embed_schemas: true,
-          current_user: current_user
-        )
+        if resulting_params[:select]
+          ::API::V3::Utilities::SqlRepresenterWalker
+            .new(work_packages,
+                 current_user: current_user,
+                 self_path: self_link(project),
+                 url_query: resulting_params)
+            .walk(::API::V3::WorkPackages::WorkPackageSqlCollectionRepresenter)
+        else
+          ::API::V3::WorkPackages::WorkPackageCollectionRepresenter.new(
+            work_packages,
+            self_link: self_link(project),
+            project: project,
+            query: resulting_params,
+            page: resulting_params[:offset],
+            per_page: resulting_params[:pageSize],
+            groups: groups,
+            total_sums: sums,
+            embed_schemas: true,
+            current_user: current_user
+          )
+        end
       end
 
       def to_i_or_nil(value)
diff --git a/app/services/attachments/replace_attachments.rb b/app/services/attachments/replace_attachments.rb
index 805d804966..3ae3f2bec9 100644
--- a/app/services/attachments/replace_attachments.rb
+++ b/app/services/attachments/replace_attachments.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/attachments/set_attributes_service.rb b/app/services/attachments/set_attributes_service.rb
index 7d4c772d25..c07f54bc44 100644
--- a/app/services/attachments/set_attributes_service.rb
+++ b/app/services/attachments/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/attachments/set_prepared_attributes_service.rb b/app/services/attachments/set_prepared_attributes_service.rb
index d2111ec27e..e37b6a7d9b 100644
--- a/app/services/attachments/set_prepared_attributes_service.rb
+++ b/app/services/attachments/set_prepared_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/attachments/set_replacements.rb b/app/services/attachments/set_replacements.rb
index 238dffec17..3781751d60 100644
--- a/app/services/attachments/set_replacements.rb
+++ b/app/services/attachments/set_replacements.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/attachments/touch_container.rb b/app/services/attachments/touch_container.rb
index ce6bf1d9c9..241abfc767 100644
--- a/app/services/attachments/touch_container.rb
+++ b/app/services/attachments/touch_container.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/attribute_help_texts/create_service.rb b/app/services/attribute_help_texts/create_service.rb
index dadd1d5533..51f8be87fd 100644
--- a/app/services/attribute_help_texts/create_service.rb
+++ b/app/services/attribute_help_texts/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/attribute_help_texts/set_attributes_service.rb b/app/services/attribute_help_texts/set_attributes_service.rb
index 8141dfec35..1f9774ce39 100644
--- a/app/services/attribute_help_texts/set_attributes_service.rb
+++ b/app/services/attribute_help_texts/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/attribute_help_texts/update_service.rb b/app/services/attribute_help_texts/update_service.rb
index 2b9ee9cec6..7c21928db3 100644
--- a/app/services/attribute_help_texts/update_service.rb
+++ b/app/services/attribute_help_texts/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authentication/omniauth_service.rb b/app/services/authentication/omniauth_service.rb
index 50a973ccb7..4e1d40fdb9 100644
--- a/app/services/authentication/omniauth_service.rb
+++ b/app/services/authentication/omniauth_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization.rb b/app/services/authorization.rb
index 8d6406e4b0..9b82541efc 100644
--- a/app/services/authorization.rb
+++ b/app/services/authorization.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/abstract_query.rb b/app/services/authorization/abstract_query.rb
index 1c98cec832..a69bce8cdc 100644
--- a/app/services/authorization/abstract_query.rb
+++ b/app/services/authorization/abstract_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/abstract_user_query.rb b/app/services/authorization/abstract_user_query.rb
index c281cce02b..87a6e0aff7 100644
--- a/app/services/authorization/abstract_user_query.rb
+++ b/app/services/authorization/abstract_user_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/enterprise_service.rb b/app/services/authorization/enterprise_service.rb
index 7e9a488718..7112af5780 100644
--- a/app/services/authorization/enterprise_service.rb
+++ b/app/services/authorization/enterprise_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/project_query.rb b/app/services/authorization/project_query.rb
index a4b10f5fdb..dc0f46bab0 100644
--- a/app/services/authorization/project_query.rb
+++ b/app/services/authorization/project_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -147,9 +145,13 @@ class Authorization::ProjectQuery < Authorization::AbstractQuery
     permissions(action).all?(&:public?)
   end
 
+  def self.granted_to_admin?(user, action)
+    user.admin? && OpenProject::AccessControl.grant_to_admin?(action)
+  end
+
   transformations.register :all,
-                           :members_join do |statement, user|
-    if user.admin?
+                           :members_join do |statement, user, action|
+    if granted_to_admin?(user, action)
       statement
     else
       statement
@@ -172,7 +174,7 @@ class Authorization::ProjectQuery < Authorization::AbstractQuery
   transformations.register :all,
                            :role_permissions_join,
                            after: [:enabled_modules_join] do |statement, user, action|
-    if action_public?(action) || user.admin?
+    if action_public?(action) || granted_to_admin?(user, action)
       statement
     else
       statement.join(role_permissions_table)
@@ -182,8 +184,8 @@ class Authorization::ProjectQuery < Authorization::AbstractQuery
 
   transformations.register :all,
                            :members_member_roles_join,
-                           after: [:members_join] do |statement, user|
-    if user.admin?
+                           after: [:members_join] do |statement, user, action|
+    if granted_to_admin?(user, action)
       statement
     else
       statement.outer_join(member_roles_table)
@@ -194,7 +196,7 @@ class Authorization::ProjectQuery < Authorization::AbstractQuery
   transformations.register :all,
                            :permission_roles_join,
                            after: [:role_permissions_join] do |statement, user, action|
-    if action_public?(action) || user.admin?
+    if action_public?(action) || granted_to_admin?(user, action)
       statement
     else
       statement.join(permission_roles_table)
@@ -206,7 +208,7 @@ class Authorization::ProjectQuery < Authorization::AbstractQuery
                            :assigned_roles_join,
                            after: %i[permission_roles_join
                                      members_member_roles_join] do |statement, user, action|
-    if user.admin?
+    if granted_to_admin?(user, action)
       statement
     else
       statement.outer_join(assigned_roles_table)
@@ -215,8 +217,8 @@ class Authorization::ProjectQuery < Authorization::AbstractQuery
   end
 
   transformations.register :all,
-                           :assigned_role_exists_condition do |statement, user|
-    if user.admin?
+                           :assigned_role_exists_condition do |statement, user, action|
+    if granted_to_admin?(user, action)
       statement.where(project_active_condition)
     else
       statement.where(assigned_roles_table[:id].not_eq(nil))
diff --git a/app/services/authorization/query_transformation.rb b/app/services/authorization/query_transformation.rb
index 9ab10bc15e..1b931cecc8 100644
--- a/app/services/authorization/query_transformation.rb
+++ b/app/services/authorization/query_transformation.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/query_transformation_visitor.rb b/app/services/authorization/query_transformation_visitor.rb
index 27ee143a5a..8f74aa2aa7 100644
--- a/app/services/authorization/query_transformation_visitor.rb
+++ b/app/services/authorization/query_transformation_visitor.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/query_transformations.rb b/app/services/authorization/query_transformations.rb
index 34512ea350..c8543beefe 100644
--- a/app/services/authorization/query_transformations.rb
+++ b/app/services/authorization/query_transformations.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/query_transformations_order.rb b/app/services/authorization/query_transformations_order.rb
index 41033506c9..0f28857aac 100644
--- a/app/services/authorization/query_transformations_order.rb
+++ b/app/services/authorization/query_transformations_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/user_allowed_query.rb b/app/services/authorization/user_allowed_query.rb
index 81ea67abd5..0fe736d199 100644
--- a/app/services/authorization/user_allowed_query.rb
+++ b/app/services/authorization/user_allowed_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -53,7 +51,11 @@ class Authorization::UserAllowedQuery < Authorization::AbstractUserQuery
                                   has_role.and(has_permission)
                                 end
 
-      is_admin = users_table[:admin].eq(true)
+      is_admin = if OpenProject::AccessControl.grant_to_admin?(action)
+                   users_table[:admin].eq(true)
+                 else
+                   Arel::Nodes::Equality.new(1, 0)
+                 end
 
       statement.where(has_role_and_permission.or(is_admin))
     else
diff --git a/app/services/authorization/user_allowed_service.rb b/app/services/authorization/user_allowed_service.rb
index aad36b510a..a390aa10ef 100644
--- a/app/services/authorization/user_allowed_service.rb
+++ b/app/services/authorization/user_allowed_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -93,7 +91,8 @@ class Authorization::UserAllowedService
     # Inactive users are never authorized
     return false unless authorizable_user?
     # Admin users are authorized for anything else
-    return true if user.admin?
+    # unless the permission is explicitly flagged not to be granted to admins.
+    return true if granted_to_admin?(action)
 
     has_authorized_role?(action, project)
   end
@@ -104,7 +103,7 @@ class Authorization::UserAllowedService
     # Inactive users are never authorized
     return false unless authorizable_user?
     # Admin users are always authorized
-    return true if user.admin?
+    return true if granted_to_admin?(action)
 
     has_authorized_role?(action)
   end
@@ -116,6 +115,12 @@ class Authorization::UserAllowedService
     !user.locked? || user.is_a?(SystemUser)
   end
 
+  # Admin users are granted every permission unless the
+  # permission explicitly disables it.
+  def granted_to_admin?(action)
+    user.admin? && OpenProject::AccessControl.grant_to_admin?(action)
+  end
+
   def has_authorized_role?(action, project = nil)
     project_role_cache
       .fetch(project)
diff --git a/app/services/authorization/user_global_roles_query.rb b/app/services/authorization/user_global_roles_query.rb
index 8efbf176b1..36e0169c44 100644
--- a/app/services/authorization/user_global_roles_query.rb
+++ b/app/services/authorization/user_global_roles_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/user_project_roles_query.rb b/app/services/authorization/user_project_roles_query.rb
index 5f76698788..61f9c8d121 100644
--- a/app/services/authorization/user_project_roles_query.rb
+++ b/app/services/authorization/user_project_roles_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization/user_roles_query.rb b/app/services/authorization/user_roles_query.rb
index 11045bc608..68e53abd9c 100644
--- a/app/services/authorization/user_roles_query.rb
+++ b/app/services/authorization/user_roles_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/authorization_service.rb b/app/services/authorization_service.rb
index 3fca489d64..3e016c642e 100644
--- a/app/services/authorization_service.rb
+++ b/app/services/authorization_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/backups/create_service.rb b/app/services/backups/create_service.rb
index ff4f9e7471..6dd356a006 100644
--- a/app/services/backups/create_service.rb
+++ b/app/services/backups/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/backups/set_attributes_service.rb b/app/services/backups/set_attributes_service.rb
index fc8f74b801..d51df10609 100644
--- a/app/services/backups/set_attributes_service.rb
+++ b/app/services/backups/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_project_service.rb b/app/services/base_project_service.rb
index 9088447277..5c2bce2a15 100644
--- a/app/services/base_project_service.rb
+++ b/app/services/base_project_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_services/base_callable.rb b/app/services/base_services/base_callable.rb
index 63439fc7de..973ddfb4bc 100644
--- a/app/services/base_services/base_callable.rb
+++ b/app/services/base_services/base_callable.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_services/base_contracted.rb b/app/services/base_services/base_contracted.rb
index 7e4338a056..a5bd31f6ac 100644
--- a/app/services/base_services/base_contracted.rb
+++ b/app/services/base_services/base_contracted.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_services/copy.rb b/app/services/base_services/copy.rb
index bfd2b298c5..610ce94e5a 100644
--- a/app/services/base_services/copy.rb
+++ b/app/services/base_services/copy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_services/create.rb b/app/services/base_services/create.rb
index db7673a971..da6c70014c 100644
--- a/app/services/base_services/create.rb
+++ b/app/services/base_services/create.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_services/set_attributes.rb b/app/services/base_services/set_attributes.rb
index 8730b901b3..46109999d2 100644
--- a/app/services/base_services/set_attributes.rb
+++ b/app/services/base_services/set_attributes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_services/update.rb b/app/services/base_services/update.rb
index f2e411f0c3..7886742aa9 100644
--- a/app/services/base_services/update.rb
+++ b/app/services/base_services/update.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_services/write.rb b/app/services/base_services/write.rb
index 7d451b71b8..8d0c44698a 100644
--- a/app/services/base_services/write.rb
+++ b/app/services/base_services/write.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/base_type_service.rb b/app/services/base_type_service.rb
index 8f9d902240..fb875a2ffa 100644
--- a/app/services/base_type_service.rb
+++ b/app/services/base_type_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/changesets/log_time_service.rb b/app/services/changesets/log_time_service.rb
index 0bce3bc247..83dfd7cb84 100644
--- a/app/services/changesets/log_time_service.rb
+++ b/app/services/changesets/log_time_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/concerns/contracted.rb b/app/services/concerns/contracted.rb
index 27218ad868..c57c2a9204 100644
--- a/app/services/concerns/contracted.rb
+++ b/app/services/concerns/contracted.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/concerns/with_reversible_state.rb b/app/services/concerns/with_reversible_state.rb
index e0ecf2014f..888705817b 100644
--- a/app/services/concerns/with_reversible_state.rb
+++ b/app/services/concerns/with_reversible_state.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/copy/dependency.rb b/app/services/copy/dependency.rb
index e1a43419e7..1de74179b9 100644
--- a/app/services/copy/dependency.rb
+++ b/app/services/copy/dependency.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/create_type_service.rb b/app/services/create_type_service.rb
index 6f3cb3cdbd..d507bc7976 100644
--- a/app/services/create_type_service.rb
+++ b/app/services/create_type_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/custom_actions/base_service.rb b/app/services/custom_actions/base_service.rb
index 323e8e9332..13385d98a6 100644
--- a/app/services/custom_actions/base_service.rb
+++ b/app/services/custom_actions/base_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/custom_actions/create_service.rb b/app/services/custom_actions/create_service.rb
index acd94a493f..6ad1aa65b8 100644
--- a/app/services/custom_actions/create_service.rb
+++ b/app/services/custom_actions/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/custom_actions/update_service.rb b/app/services/custom_actions/update_service.rb
index a4672f1157..8bcfb1ef5d 100644
--- a/app/services/custom_actions/update_service.rb
+++ b/app/services/custom_actions/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/custom_actions/update_work_package_service.rb b/app/services/custom_actions/update_work_package_service.rb
index 056683faac..9f671b9035 100644
--- a/app/services/custom_actions/update_work_package_service.rb
+++ b/app/services/custom_actions/update_work_package_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/custom_fields/create_service.rb b/app/services/custom_fields/create_service.rb
index bb6986a3f4..5c341395f2 100644
--- a/app/services/custom_fields/create_service.rb
+++ b/app/services/custom_fields/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/custom_fields/set_attributes_service.rb b/app/services/custom_fields/set_attributes_service.rb
index d3b122db5f..df6d735a1d 100644
--- a/app/services/custom_fields/set_attributes_service.rb
+++ b/app/services/custom_fields/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/custom_fields/update_service.rb b/app/services/custom_fields/update_service.rb
index db6386a4ae..67ea37636d 100644
--- a/app/services/custom_fields/update_service.rb
+++ b/app/services/custom_fields/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/grids/copy/widgets_dependent_service.rb b/app/services/grids/copy/widgets_dependent_service.rb
index b2d58ab92b..cab6c5d94c 100644
--- a/app/services/grids/copy/widgets_dependent_service.rb
+++ b/app/services/grids/copy/widgets_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/grids/copy_service.rb b/app/services/grids/copy_service.rb
index 9233c9b4fe..dad8ce5336 100644
--- a/app/services/grids/copy_service.rb
+++ b/app/services/grids/copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/groups/add_users_service.rb b/app/services/groups/add_users_service.rb
index 59254e0bf7..f201e2c338 100644
--- a/app/services/groups/add_users_service.rb
+++ b/app/services/groups/add_users_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/groups/create_service.rb b/app/services/groups/create_service.rb
index 6611c1e3d3..bde36466ed 100644
--- a/app/services/groups/create_service.rb
+++ b/app/services/groups/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/groups/set_attributes_service.rb b/app/services/groups/set_attributes_service.rb
index aec29857ac..f9a865b645 100644
--- a/app/services/groups/set_attributes_service.rb
+++ b/app/services/groups/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/groups/update_service.rb b/app/services/groups/update_service.rb
index c4c4275277..0a5cffa67c 100644
--- a/app/services/groups/update_service.rb
+++ b/app/services/groups/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/members/create_service.rb b/app/services/members/create_service.rb
index 6464b1ae0e..887997a2f4 100644
--- a/app/services/members/create_service.rb
+++ b/app/services/members/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/members/edit_membership_service.rb b/app/services/members/edit_membership_service.rb
index 4104ea00b9..d61f8d51e6 100644
--- a/app/services/members/edit_membership_service.rb
+++ b/app/services/members/edit_membership_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/members/set_attributes_service.rb b/app/services/members/set_attributes_service.rb
index f8bad8dc1d..657e3ed11b 100644
--- a/app/services/members/set_attributes_service.rb
+++ b/app/services/members/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/members/update_service.rb b/app/services/members/update_service.rb
index 5f43d17177..49e689c033 100644
--- a/app/services/members/update_service.rb
+++ b/app/services/members/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/messages/create_service.rb b/app/services/messages/create_service.rb
index 5772f62070..28ea5b6de0 100644
--- a/app/services/messages/create_service.rb
+++ b/app/services/messages/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/messages/set_attributes_service.rb b/app/services/messages/set_attributes_service.rb
index 07adce217c..b85ce2ee41 100644
--- a/app/services/messages/set_attributes_service.rb
+++ b/app/services/messages/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/messages/update_service.rb b/app/services/messages/update_service.rb
index 511b9ffed1..ef23494ebc 100644
--- a/app/services/messages/update_service.rb
+++ b/app/services/messages/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/notifications/aggregated_journal_service.rb b/app/services/notifications/aggregated_journal_service.rb
index d635ee6e7f..c22c2dd798 100644
--- a/app/services/notifications/aggregated_journal_service.rb
+++ b/app/services/notifications/aggregated_journal_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/notifications/create_from_model_service.rb b/app/services/notifications/create_from_model_service.rb
index 7d83839fba..db58010e9b 100644
--- a/app/services/notifications/create_from_model_service.rb
+++ b/app/services/notifications/create_from_model_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/notifications/create_from_model_service/comment_strategy.rb b/app/services/notifications/create_from_model_service/comment_strategy.rb
index 6ca45eaa9d..a8c9463f6b 100644
--- a/app/services/notifications/create_from_model_service/comment_strategy.rb
+++ b/app/services/notifications/create_from_model_service/comment_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/notifications/create_from_model_service/message_strategy.rb b/app/services/notifications/create_from_model_service/message_strategy.rb
index 13d930d2ae..2fee34af68 100644
--- a/app/services/notifications/create_from_model_service/message_strategy.rb
+++ b/app/services/notifications/create_from_model_service/message_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/notifications/create_from_model_service/news_strategy.rb b/app/services/notifications/create_from_model_service/news_strategy.rb
index 78518889ad..2cd06b386d 100644
--- a/app/services/notifications/create_from_model_service/news_strategy.rb
+++ b/app/services/notifications/create_from_model_service/news_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/notifications/create_from_model_service/wiki_content_strategy.rb b/app/services/notifications/create_from_model_service/wiki_content_strategy.rb
index f84f83263c..2308ccbad1 100644
--- a/app/services/notifications/create_from_model_service/wiki_content_strategy.rb
+++ b/app/services/notifications/create_from_model_service/wiki_content_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/notifications/create_from_model_service/work_package_strategy.rb b/app/services/notifications/create_from_model_service/work_package_strategy.rb
index 803c5fc467..fbab3bff0c 100644
--- a/app/services/notifications/create_from_model_service/work_package_strategy.rb
+++ b/app/services/notifications/create_from_model_service/work_package_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/notifications/create_service.rb b/app/services/notifications/create_service.rb
index 0cd8b68488..f18862fc46 100644
--- a/app/services/notifications/create_service.rb
+++ b/app/services/notifications/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/oauth/persist_application_service.rb b/app/services/oauth/persist_application_service.rb
index f3dea3dd90..245a88e425 100644
--- a/app/services/oauth/persist_application_service.rb
+++ b/app/services/oauth/persist_application_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/parse_schema_filter_params_service.rb b/app/services/parse_schema_filter_params_service.rb
index 1e42c1ac4b..84fd43cabc 100644
--- a/app/services/parse_schema_filter_params_service.rb
+++ b/app/services/parse_schema_filter_params_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/placeholder_users/create_service.rb b/app/services/placeholder_users/create_service.rb
index ed1a7fa3b2..e7af85b0c5 100644
--- a/app/services/placeholder_users/create_service.rb
+++ b/app/services/placeholder_users/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/placeholder_users/delete_service.rb b/app/services/placeholder_users/delete_service.rb
index d36cbb1a8c..d854f85bcc 100644
--- a/app/services/placeholder_users/delete_service.rb
+++ b/app/services/placeholder_users/delete_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/placeholder_users/set_attributes_service.rb b/app/services/placeholder_users/set_attributes_service.rb
index 94cfe9c4b5..6876645450 100644
--- a/app/services/placeholder_users/set_attributes_service.rb
+++ b/app/services/placeholder_users/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/placeholder_users/update_service.rb b/app/services/placeholder_users/update_service.rb
index 29cf52d8e0..e407a5fdff 100644
--- a/app/services/placeholder_users/update_service.rb
+++ b/app/services/placeholder_users/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/principals/replace_references_service.rb b/app/services/principals/replace_references_service.rb
index 36fbfb0458..ef44dd41b9 100644
--- a/app/services/principals/replace_references_service.rb
+++ b/app/services/principals/replace_references_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/archive_service.rb b/app/services/projects/archive_service.rb
index 0ef6ee8ae9..7bdeb9a211 100644
--- a/app/services/projects/archive_service.rb
+++ b/app/services/projects/archive_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/concerns/new_project_service.rb b/app/services/projects/concerns/new_project_service.rb
index d0a8f818ef..0e48001356 100644
--- a/app/services/projects/concerns/new_project_service.rb
+++ b/app/services/projects/concerns/new_project_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/concerns/update_demo_data.rb b/app/services/projects/concerns/update_demo_data.rb
index 936124ea8d..6194cc76bb 100644
--- a/app/services/projects/concerns/update_demo_data.rb
+++ b/app/services/projects/concerns/update_demo_data.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/boards_dependent_service.rb b/app/services/projects/copy/boards_dependent_service.rb
index f6083a4a5a..28b28dfd60 100644
--- a/app/services/projects/copy/boards_dependent_service.rb
+++ b/app/services/projects/copy/boards_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/categories_dependent_service.rb b/app/services/projects/copy/categories_dependent_service.rb
index c6c801cc0b..c655709eb7 100644
--- a/app/services/projects/copy/categories_dependent_service.rb
+++ b/app/services/projects/copy/categories_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/dependency.rb b/app/services/projects/copy/dependency.rb
index 1f7b1536a5..54740b2ffb 100644
--- a/app/services/projects/copy/dependency.rb
+++ b/app/services/projects/copy/dependency.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/forums_dependent_service.rb b/app/services/projects/copy/forums_dependent_service.rb
index 40fb7db9f9..a9af28e806 100644
--- a/app/services/projects/copy/forums_dependent_service.rb
+++ b/app/services/projects/copy/forums_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/members_dependent_service.rb b/app/services/projects/copy/members_dependent_service.rb
index d96e3a89bb..90d94ce285 100644
--- a/app/services/projects/copy/members_dependent_service.rb
+++ b/app/services/projects/copy/members_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/overview_dependent_service.rb b/app/services/projects/copy/overview_dependent_service.rb
index 4c4b7a9d50..585656937d 100644
--- a/app/services/projects/copy/overview_dependent_service.rb
+++ b/app/services/projects/copy/overview_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/queries_dependent_service.rb b/app/services/projects/copy/queries_dependent_service.rb
index 9756513672..e6d123dc92 100644
--- a/app/services/projects/copy/queries_dependent_service.rb
+++ b/app/services/projects/copy/queries_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/versions_dependent_service.rb b/app/services/projects/copy/versions_dependent_service.rb
index b783f9092a..9e5f7a451e 100644
--- a/app/services/projects/copy/versions_dependent_service.rb
+++ b/app/services/projects/copy/versions_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/wiki_dependent_service.rb b/app/services/projects/copy/wiki_dependent_service.rb
index 01de17691b..36ddef9c78 100644
--- a/app/services/projects/copy/wiki_dependent_service.rb
+++ b/app/services/projects/copy/wiki_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/wiki_page_attachments_dependent_service.rb b/app/services/projects/copy/wiki_page_attachments_dependent_service.rb
index 0272297349..d4f18c75bd 100644
--- a/app/services/projects/copy/wiki_page_attachments_dependent_service.rb
+++ b/app/services/projects/copy/wiki_page_attachments_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/work_package_attachments_dependent_service.rb b/app/services/projects/copy/work_package_attachments_dependent_service.rb
index 55372ec6b7..15379744ee 100644
--- a/app/services/projects/copy/work_package_attachments_dependent_service.rb
+++ b/app/services/projects/copy/work_package_attachments_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy/work_packages_dependent_service.rb b/app/services/projects/copy/work_packages_dependent_service.rb
index 70b4b35f47..58d9e3a026 100644
--- a/app/services/projects/copy/work_packages_dependent_service.rb
+++ b/app/services/projects/copy/work_packages_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/copy_service.rb b/app/services/projects/copy_service.rb
index f0da3c9fce..18753e3200 100644
--- a/app/services/projects/copy_service.rb
+++ b/app/services/projects/copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/create_service.rb b/app/services/projects/create_service.rb
index bbeaa16848..1964137a69 100644
--- a/app/services/projects/create_service.rb
+++ b/app/services/projects/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/delete_service.rb b/app/services/projects/delete_service.rb
index ef1a549618..2612619834 100644
--- a/app/services/projects/delete_service.rb
+++ b/app/services/projects/delete_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/enabled_modules_service.rb b/app/services/projects/enabled_modules_service.rb
index 62b87f7d62..2398ba9c73 100644
--- a/app/services/projects/enabled_modules_service.rb
+++ b/app/services/projects/enabled_modules_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/enqueue_copy_service.rb b/app/services/projects/enqueue_copy_service.rb
index 9a596979cf..806d4b3a50 100644
--- a/app/services/projects/enqueue_copy_service.rb
+++ b/app/services/projects/enqueue_copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/gantt_query_generator_service.rb b/app/services/projects/gantt_query_generator_service.rb
index c5fe1c473c..3c4cabe763 100644
--- a/app/services/projects/gantt_query_generator_service.rb
+++ b/app/services/projects/gantt_query_generator_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/schedule_deletion_service.rb b/app/services/projects/schedule_deletion_service.rb
index cfa7318681..78da4f194b 100644
--- a/app/services/projects/schedule_deletion_service.rb
+++ b/app/services/projects/schedule_deletion_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/set_attributes_service.rb b/app/services/projects/set_attributes_service.rb
index 18e5ab79f7..c48d333362 100644
--- a/app/services/projects/set_attributes_service.rb
+++ b/app/services/projects/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/unarchive_service.rb b/app/services/projects/unarchive_service.rb
index 6a216b5102..f31eae434a 100644
--- a/app/services/projects/unarchive_service.rb
+++ b/app/services/projects/unarchive_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/projects/update_service.rb b/app/services/projects/update_service.rb
index 9ab4bb1226..bacea46f3c 100644
--- a/app/services/projects/update_service.rb
+++ b/app/services/projects/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/queries/base_service.rb b/app/services/queries/base_service.rb
index 214d8cb200..93b14dc777 100644
--- a/app/services/queries/base_service.rb
+++ b/app/services/queries/base_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/queries/copy/filters_mapper.rb b/app/services/queries/copy/filters_mapper.rb
index e4bd56df30..ec61294c83 100644
--- a/app/services/queries/copy/filters_mapper.rb
+++ b/app/services/queries/copy/filters_mapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/queries/copy/ordered_work_packages_dependent_service.rb b/app/services/queries/copy/ordered_work_packages_dependent_service.rb
index eb77248c27..762215f6d3 100644
--- a/app/services/queries/copy/ordered_work_packages_dependent_service.rb
+++ b/app/services/queries/copy/ordered_work_packages_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/queries/copy_service.rb b/app/services/queries/copy_service.rb
index 80c982a004..105f3cdb0e 100644
--- a/app/services/queries/copy_service.rb
+++ b/app/services/queries/copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/queries/create_service.rb b/app/services/queries/create_service.rb
index 643180e606..3ae93b737b 100644
--- a/app/services/queries/create_service.rb
+++ b/app/services/queries/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/queries/update_service.rb b/app/services/queries/update_service.rb
index 307359196c..4d94662086 100644
--- a/app/services/queries/update_service.rb
+++ b/app/services/queries/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/relations/base_service.rb b/app/services/relations/base_service.rb
index 4d50209c89..6f866e250c 100644
--- a/app/services/relations/base_service.rb
+++ b/app/services/relations/base_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/relations/create_service.rb b/app/services/relations/create_service.rb
index a5df494cfb..68541ddfdc 100644
--- a/app/services/relations/create_service.rb
+++ b/app/services/relations/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/relations/update_service.rb b/app/services/relations/update_service.rb
index 0aae93afc0..7ab19bf7a9 100644
--- a/app/services/relations/update_service.rb
+++ b/app/services/relations/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/assignee_report.rb b/app/services/reports/assignee_report.rb
index 2634ed5a14..393e1cab99 100644
--- a/app/services/reports/assignee_report.rb
+++ b/app/services/reports/assignee_report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/author_report.rb b/app/services/reports/author_report.rb
index e186b82732..86b472384a 100644
--- a/app/services/reports/author_report.rb
+++ b/app/services/reports/author_report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/category_report.rb b/app/services/reports/category_report.rb
index c528075320..85a4079618 100644
--- a/app/services/reports/category_report.rb
+++ b/app/services/reports/category_report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/priority_report.rb b/app/services/reports/priority_report.rb
index b1ea6dccb9..788f94f38c 100644
--- a/app/services/reports/priority_report.rb
+++ b/app/services/reports/priority_report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/report.rb b/app/services/reports/report.rb
index 268606895d..2b9b76d898 100644
--- a/app/services/reports/report.rb
+++ b/app/services/reports/report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/reports_service.rb b/app/services/reports/reports_service.rb
index 5bd8bf7872..5712868c7c 100644
--- a/app/services/reports/reports_service.rb
+++ b/app/services/reports/reports_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/responsible_report.rb b/app/services/reports/responsible_report.rb
index e8802b1fdf..02e3e0a058 100644
--- a/app/services/reports/responsible_report.rb
+++ b/app/services/reports/responsible_report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/subproject_report.rb b/app/services/reports/subproject_report.rb
index 4499217bc1..afa69a32ff 100644
--- a/app/services/reports/subproject_report.rb
+++ b/app/services/reports/subproject_report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/type_report.rb b/app/services/reports/type_report.rb
index 41dd194c4e..ff7908c44a 100644
--- a/app/services/reports/type_report.rb
+++ b/app/services/reports/type_report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/reports/version_report.rb b/app/services/reports/version_report.rb
index af7cc6c7d0..3924aedfd3 100644
--- a/app/services/reports/version_report.rb
+++ b/app/services/reports/version_report.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/roles/create_service.rb b/app/services/roles/create_service.rb
index d4fd7a86ef..4cab268fbc 100644
--- a/app/services/roles/create_service.rb
+++ b/app/services/roles/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/roles/notify_mixin.rb b/app/services/roles/notify_mixin.rb
index 3720ffff41..c6d4e991c8 100644
--- a/app/services/roles/notify_mixin.rb
+++ b/app/services/roles/notify_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/roles/set_attributes_service.rb b/app/services/roles/set_attributes_service.rb
index c936120ce1..a53eabd1ac 100644
--- a/app/services/roles/set_attributes_service.rb
+++ b/app/services/roles/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/roles/update_service.rb b/app/services/roles/update_service.rb
index b10f576a12..e4f9c03de5 100644
--- a/app/services/roles/update_service.rb
+++ b/app/services/roles/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/scm/base_repository_service.rb b/app/services/scm/base_repository_service.rb
index c51e63a51c..cd044dc37b 100644
--- a/app/services/scm/base_repository_service.rb
+++ b/app/services/scm/base_repository_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/scm/checkout_instructions_service.rb b/app/services/scm/checkout_instructions_service.rb
index f4157fcb08..f331722ecf 100644
--- a/app/services/scm/checkout_instructions_service.rb
+++ b/app/services/scm/checkout_instructions_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/scm/create_managed_repository_service.rb b/app/services/scm/create_managed_repository_service.rb
index d8b5c0c0e4..ab02886fa0 100644
--- a/app/services/scm/create_managed_repository_service.rb
+++ b/app/services/scm/create_managed_repository_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/scm/delete_managed_repository_service.rb b/app/services/scm/delete_managed_repository_service.rb
index a45527237b..41e4c7d912 100644
--- a/app/services/scm/delete_managed_repository_service.rb
+++ b/app/services/scm/delete_managed_repository_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/scm/repository_factory_service.rb b/app/services/scm/repository_factory_service.rb
index 012201d950..3415249f75 100644
--- a/app/services/scm/repository_factory_service.rb
+++ b/app/services/scm/repository_factory_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/service_result.rb b/app/services/service_result.rb
index 1b8354e105..258b6fcf80 100644
--- a/app/services/service_result.rb
+++ b/app/services/service_result.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -32,7 +30,6 @@ class ServiceResult
   attr_accessor :success,
                 :result,
                 :errors,
-                :message_type,
                 :state,
                 :dependent_results
 
@@ -49,6 +46,7 @@ class ServiceResult
 
     initialize_errors(errors)
     @message = message
+    @message_type = message_type
 
     self.dependent_results = dependent_results
   end
@@ -77,10 +75,8 @@ class ServiceResult
   ##
   # Print messages to flash
   def apply_flash_message!(flash)
-    type = get_message_type
-
-    if message && type
-      flash[type] = message
+    if message
+      flash[message_type] = message
     end
   end
 
@@ -143,11 +139,6 @@ class ServiceResult
     self
   end
 
-  def tap
-    yield(self)
-    self
-  end
-
   def each
     yield result if success?
     self
@@ -189,9 +180,9 @@ class ServiceResult
     end
   end
 
-  def get_message_type
-    if message_type.present?
-      message_type.to_sym
+  def message_type
+    if @message_type
+      @message_type.to_sym
     elsif success?
       :notice
     else
diff --git a/app/services/sessions/base_service.rb b/app/services/sessions/base_service.rb
index 101076c6d1..2610493411 100644
--- a/app/services/sessions/base_service.rb
+++ b/app/services/sessions/base_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/sessions/drop_other_sessions_service.rb b/app/services/sessions/drop_other_sessions_service.rb
index 5da71e1b90..2c0a549810 100644
--- a/app/services/sessions/drop_other_sessions_service.rb
+++ b/app/services/sessions/drop_other_sessions_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/sessions/initialize_session_service.rb b/app/services/sessions/initialize_session_service.rb
index c27c99e253..17f87d31a1 100644
--- a/app/services/sessions/initialize_session_service.rb
+++ b/app/services/sessions/initialize_session_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/settings/update_service.rb b/app/services/settings/update_service.rb
index 1c7d9221ac..f18e63fd43 100644
--- a/app/services/settings/update_service.rb
+++ b/app/services/settings/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/shared/block_service.rb b/app/services/shared/block_service.rb
index 32f222f106..46ddf5c4fb 100644
--- a/app/services/shared/block_service.rb
+++ b/app/services/shared/block_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/shared/service_context.rb b/app/services/shared/service_context.rb
index a420fd269f..40086a2324 100644
--- a/app/services/shared/service_context.rb
+++ b/app/services/shared/service_context.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/shared/service_state.rb b/app/services/shared/service_state.rb
index 2397621763..c8f3e7579b 100644
--- a/app/services/shared/service_state.rb
+++ b/app/services/shared/service_state.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/update_projects_types_service.rb b/app/services/update_projects_types_service.rb
index 504bb128ab..4bef408774 100644
--- a/app/services/update_projects_types_service.rb
+++ b/app/services/update_projects_types_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/update_type_service.rb b/app/services/update_type_service.rb
index 099b6b4170..74425ccabe 100644
--- a/app/services/update_type_service.rb
+++ b/app/services/update_type_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/user_preferences/set_attributes_service.rb b/app/services/user_preferences/set_attributes_service.rb
index ada7012960..725585d617 100644
--- a/app/services/user_preferences/set_attributes_service.rb
+++ b/app/services/user_preferences/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/user_preferences/update_service.rb b/app/services/user_preferences/update_service.rb
index 2244a4cd2f..fc44f0c817 100644
--- a/app/services/user_preferences/update_service.rb
+++ b/app/services/user_preferences/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/user_search_service.rb b/app/services/user_search_service.rb
index 1cc4afa6f0..35358686dd 100644
--- a/app/services/user_search_service.rb
+++ b/app/services/user_search_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/users/change_password_service.rb b/app/services/users/change_password_service.rb
index 1e8ec706b2..b791532320 100644
--- a/app/services/users/change_password_service.rb
+++ b/app/services/users/change_password_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/users/create_service.rb b/app/services/users/create_service.rb
index e8f8cf2838..c2ee32b60a 100644
--- a/app/services/users/create_service.rb
+++ b/app/services/users/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/users/delete_service.rb b/app/services/users/delete_service.rb
index 9445aa8b4d..0c039ff935 100644
--- a/app/services/users/delete_service.rb
+++ b/app/services/users/delete_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/users/login_service.rb b/app/services/users/login_service.rb
index 1ef42905f3..9dea45757f 100644
--- a/app/services/users/login_service.rb
+++ b/app/services/users/login_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/users/logout_service.rb b/app/services/users/logout_service.rb
index b24a22e468..86e7e31c91 100644
--- a/app/services/users/logout_service.rb
+++ b/app/services/users/logout_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/users/register_user_service.rb b/app/services/users/register_user_service.rb
index 2cd510ac5f..e0087a5915 100644
--- a/app/services/users/register_user_service.rb
+++ b/app/services/users/register_user_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/users/set_attributes_service.rb b/app/services/users/set_attributes_service.rb
index ffade203b2..5e1c635cb6 100644
--- a/app/services/users/set_attributes_service.rb
+++ b/app/services/users/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/users/update_service.rb b/app/services/users/update_service.rb
index 31ac112aed..5f85ac6813 100644
--- a/app/services/users/update_service.rb
+++ b/app/services/users/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/versions/create_service.rb b/app/services/versions/create_service.rb
index e0ac57749e..05b4682594 100644
--- a/app/services/versions/create_service.rb
+++ b/app/services/versions/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/versions/set_attributes_service.rb b/app/services/versions/set_attributes_service.rb
index 4a3d6045d1..c09035c7b6 100644
--- a/app/services/versions/set_attributes_service.rb
+++ b/app/services/versions/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/versions/update_service.rb b/app/services/versions/update_service.rb
index e5f65e742d..e4aada5ed2 100644
--- a/app/services/versions/update_service.rb
+++ b/app/services/versions/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/wiki_pages/copy_service.rb b/app/services/wiki_pages/copy_service.rb
index ffc4ba32f5..ef8865dcb3 100644
--- a/app/services/wiki_pages/copy_service.rb
+++ b/app/services/wiki_pages/copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/wiki_pages/create_service.rb b/app/services/wiki_pages/create_service.rb
index b064a01338..829450691f 100644
--- a/app/services/wiki_pages/create_service.rb
+++ b/app/services/wiki_pages/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/wiki_pages/set_attributes_service.rb b/app/services/wiki_pages/set_attributes_service.rb
index 0f1a9fad5e..43792d1932 100644
--- a/app/services/wiki_pages/set_attributes_service.rb
+++ b/app/services/wiki_pages/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/wiki_pages/update_service.rb b/app/services/wiki_pages/update_service.rb
index 6913b9a3de..221aaafcc5 100644
--- a/app/services/wiki_pages/update_service.rb
+++ b/app/services/wiki_pages/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/bulk/bulked_service.rb b/app/services/work_packages/bulk/bulked_service.rb
index a21df8bcf6..c57252fcfa 100644
--- a/app/services/work_packages/bulk/bulked_service.rb
+++ b/app/services/work_packages/bulk/bulked_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/bulk/copy_service.rb b/app/services/work_packages/bulk/copy_service.rb
index 50685ddb28..0ba21cdca0 100644
--- a/app/services/work_packages/bulk/copy_service.rb
+++ b/app/services/work_packages/bulk/copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/bulk/move_service.rb b/app/services/work_packages/bulk/move_service.rb
index a82538d152..e101b11aca 100644
--- a/app/services/work_packages/bulk/move_service.rb
+++ b/app/services/work_packages/bulk/move_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/bulk/update_service.rb b/app/services/work_packages/bulk/update_service.rb
index 8fa7f69ac8..96a496aed0 100644
--- a/app/services/work_packages/bulk/update_service.rb
+++ b/app/services/work_packages/bulk/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/copy_service.rb b/app/services/work_packages/copy_service.rb
index 47c261faa7..be6e0f5f49 100644
--- a/app/services/work_packages/copy_service.rb
+++ b/app/services/work_packages/copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/create_service.rb b/app/services/work_packages/create_service.rb
index dca5dd560e..f20e5491e4 100644
--- a/app/services/work_packages/create_service.rb
+++ b/app/services/work_packages/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/delete_service.rb b/app/services/work_packages/delete_service.rb
index 0765df431d..54dd75912b 100644
--- a/app/services/work_packages/delete_service.rb
+++ b/app/services/work_packages/delete_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/exports/schedule_service.rb b/app/services/work_packages/exports/schedule_service.rb
index 2791c46fa4..70d373bc00 100644
--- a/app/services/work_packages/exports/schedule_service.rb
+++ b/app/services/work_packages/exports/schedule_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/schedule_dependency.rb b/app/services/work_packages/schedule_dependency.rb
index 1c7a93536b..b3fcb280b9 100644
--- a/app/services/work_packages/schedule_dependency.rb
+++ b/app/services/work_packages/schedule_dependency.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -38,21 +36,13 @@ class WorkPackages::ScheduleDependency
   end
 
   def each
-    unhandled = dependencies.keys
-
-    while unhandled.any?
-      movement = false
-      dependencies.each do |scheduled, dependency|
-        next unless unhandled.include?(scheduled)
-        next unless dependency.met?(unhandled)
+    each_while_unhandled do |unhandled_by_id, scheduled, dependency|
+      next unless unhandled_by_id[scheduled.id]
+      next unless dependency.met?(unhandled_by_id.keys)
 
-        yield scheduled, dependency
-
-        unhandled.delete(scheduled)
-        movement = true
-      end
+      yield scheduled, dependency
 
-      raise "Circular dependency" unless movement
+      unhandled_by_id.except!(scheduled.id)
     end
   end
 
@@ -62,6 +52,10 @@ class WorkPackages::ScheduleDependency
                 :known_work_packages_by_id,
                 :known_work_packages_by_parent_id
 
+  def scheduled_work_packages_by_id
+    @scheduled_work_packages_by_id ||= (work_packages + dependencies.keys).group_by(&:id).transform_values(&:first)
+  end
+
   private
 
   def build_dependencies
@@ -122,6 +116,21 @@ class WorkPackages::ScheduleDependency
     dependencies.merge!(moved)
   end
 
+  def each_while_unhandled
+    unhandled_by_id = dependencies.keys.group_by(&:id).transform_values(&:last)
+
+    while unhandled_by_id.any?
+      unhandled_by_id_count_before = unhandled_by_id_count_after = unhandled_by_id.count
+      dependencies.each do |scheduled, dependency|
+        yield unhandled_by_id, scheduled, dependency
+
+        unhandled_by_id_count_after = unhandled_by_id.count
+      end
+
+      raise "Circular dependency" unless unhandled_by_id_count_after < unhandled_by_id_count_before
+    end
+  end
+
   class Dependency
     def initialize(work_package, schedule_dependency)
       self.schedule_dependency = schedule_dependency
@@ -136,6 +145,10 @@ class WorkPackages::ScheduleDependency
       @descendants ||= descendants_from_preloaded(work_package)
     end
 
+    def descendants_ids
+      @descendants_ids ||= descendants.map(&:id)
+    end
+
     def follows_moved
       tree = ancestors + descendants
 
@@ -148,12 +161,16 @@ class WorkPackages::ScheduleDependency
       @follows_unmoved ||= unmoved_predecessors_from_preloaded(work_package, tree)
     end
 
+    def follows_moved_to_ids
+      @follows_moved_to_ids ||= follows_moved.map(&:to).map(&:id)
+    end
+
     attr_accessor :work_package,
                   :schedule_dependency
 
-    def met?(unhandled_work_packages)
-      (descendants & unhandled_work_packages).empty? &&
-        (follows_moved.map(&:to) & unhandled_work_packages).empty?
+    def met?(unhandled_ids)
+      (descendants_ids & unhandled_ids).empty? &&
+        (follows_moved_to_ids & unhandled_ids).empty?
     end
 
     def max_date_of_followed
@@ -195,7 +212,8 @@ class WorkPackages::ScheduleDependency
 
     delegate :known_work_packages,
              :known_work_packages_by_id,
-             :known_work_packages_by_parent_id, to: :schedule_dependency
+             :known_work_packages_by_parent_id,
+             :scheduled_work_packages_by_id, to: :schedule_dependency
 
     def scheduled_work_packages
       schedule_dependency.work_packages + schedule_dependency.dependencies.keys
@@ -206,7 +224,7 @@ class WorkPackages::ScheduleDependency
         .map(&:follows_relations)
         .flatten
         .map do |relation|
-          scheduled = scheduled_work_packages.detect { |c| relation.to_id == c.id }
+          scheduled = scheduled_work_packages_by_id[relation.to_id]
 
           if scheduled
             relation.to = scheduled
@@ -221,7 +239,7 @@ class WorkPackages::ScheduleDependency
         .map(&:follows_relations)
         .flatten
         .reject do |relation|
-          scheduled_work_packages.any? { |m| relation.to_id == m.id }
+          scheduled_work_packages_by_id[relation.to_id].present?
         end
     end
   end
diff --git a/app/services/work_packages/set_attributes_service.rb b/app/services/work_packages/set_attributes_service.rb
index dd6ae94aec..471d5116ce 100644
--- a/app/services/work_packages/set_attributes_service.rb
+++ b/app/services/work_packages/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/set_schedule_service.rb b/app/services/work_packages/set_schedule_service.rb
index f2d91235e8..5dfe495773 100644
--- a/app/services/work_packages/set_schedule_service.rb
+++ b/app/services/work_packages/set_schedule_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/shared/update_ancestors.rb b/app/services/work_packages/shared/update_ancestors.rb
index 8541449e73..1a88b21dd1 100644
--- a/app/services/work_packages/shared/update_ancestors.rb
+++ b/app/services/work_packages/shared/update_ancestors.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/work_packages/update_ancestors_service.rb b/app/services/work_packages/update_ancestors_service.rb
index 28f9682882..2786deadfe 100644
--- a/app/services/work_packages/update_ancestors_service.rb
+++ b/app/services/work_packages/update_ancestors_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -38,8 +36,7 @@ class WorkPackages::UpdateAncestorsService
   end
 
   def call(attributes)
-    modified = update_ancestors(attributes)
-    modified += update_former_ancestors(attributes)
+    modified = update_current_and_former_ancestors(attributes)
 
     set_journal_note(modified)
 
@@ -59,22 +56,31 @@ class WorkPackages::UpdateAncestorsService
 
   private
 
-  def update_ancestors(attributes)
-    work_package.ancestors.includes(:status).select do |ancestor|
+  def update_current_and_former_ancestors(attributes)
+    to_update = get_current_ancestors
+
+    if (%i(parent_id parent) & attributes).any?
+      to_update += get_former_ancestors
+      to_update.uniq!
+    end
+
+    to_update.select do |ancestor|
       inherit_attributes(ancestor, attributes)
 
       ancestor.changed?
     end
   end
 
-  def update_former_ancestors(attributes)
-    return [] unless (%i(parent_id parent) & attributes).any? && previous_parent_id
+  def get_current_ancestors
+    work_package.ancestors.includes(:status)
+  end
+
+  def get_former_ancestors
+    return [] unless previous_parent_id
 
     parent = WorkPackage.find(previous_parent_id)
 
-    ([parent] + parent.ancestors).each do |ancestor|
-      inherit_attributes!(ancestor)
-    end.select(&:changed?)
+    [parent] + parent.ancestors
   end
 
   def inherit_attributes!(ancestor)
@@ -105,11 +111,9 @@ class WorkPackages::UpdateAncestorsService
     return if WorkPackage.use_status_for_done_ratio? && ancestor.status && ancestor.status.default_done_ratio
 
     # done ratio = weighted average ratio of leaves
-    ratio = aggregate_done_ratio(ancestor)
+    ratio = (aggregate_done_ratio(ancestor) || 0)
 
-    if ratio
-      ancestor.done_ratio = ratio.round
-    end
+    ancestor.done_ratio = ratio.round
   end
 
   ##
diff --git a/app/services/work_packages/update_service.rb b/app/services/work_packages/update_service.rb
index cdb61c9979..0015a9eaef 100644
--- a/app/services/work_packages/update_service.rb
+++ b/app/services/work_packages/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/services/workflows/bulk_update_service.rb b/app/services/workflows/bulk_update_service.rb
index 878ded8aca..f97ad125fd 100644
--- a/app/services/workflows/bulk_update_service.rb
+++ b/app/services/workflows/bulk_update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/validators/not_nil_validator.rb b/app/validators/not_nil_validator.rb
index 9da456c785..9f22f8268b 100644
--- a/app/validators/not_nil_validator.rb
+++ b/app/validators/not_nil_validator.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/views/common/upsale.html.erb b/app/views/common/upsale.html.erb
index ab6cbeb98d..71b9a9d40d 100644
--- a/app/views/common/upsale.html.erb
+++ b/app/views/common/upsale.html.erb
@@ -22,7 +22,7 @@
 
     <% if feature_video.empty? %>
       <% if feature_image.empty? %>
-        <%= image_tag "enterprise_edition.png", class: "widget-box--teaser-image" %>
+        <%= image_tag "enterprise_edition.png", class: "widget-box--teaser-image_default" %>
       <% else %>
         <%= image_tag feature_image, class: "widget-box--teaser-image" %>
       <% end %>
@@ -42,7 +42,7 @@
       <span class="button--text"><%= t('admin.enterprise.buttons.contact') %></span>
     <% end %>
 
-    <%= link_to( "#{OpenProject::Static::Links.links[:upsale][:href]}/?utm_source=unknown&utm_medium=community-edition&utm_campaign=#{feature_reference}",
+    <%= link_to( "https://www.openproject.org/pricing/",
                  { class: 'button -highlight -round',
                    aria: {label: t('admin.enterprise.buttons.upgrade')},
                    target: '_blank',
diff --git a/app/views/layouts/_common_head.html.erb b/app/views/layouts/_common_head.html.erb
index 1cb58073b3..1940d6b5da 100644
--- a/app/views/layouts/_common_head.html.erb
+++ b/app/views/layouts/_common_head.html.erb
@@ -21,6 +21,7 @@
 
 <% if Setting.demo_projects_available %><meta name="demo_projects_available" content="true"/><% end %>
 <% if Setting.boards_demo_data_available %><meta name="boards_demo_data_available" content="true"/><% end %>
+<% if Setting.demo_view_of_type_team_planner_seeded %><meta name="demo_view_of_type_team_planner_seeded" content="true"/><% end %>
 <%= csrf_meta_tags %>
 <%= initializer_meta_tag %>
 
@@ -53,4 +54,4 @@
     <% end %>
   <% end %>
 <% end %>
-<%= crowdin_in_context_translation %>
\ No newline at end of file
+<%= crowdin_in_context_translation %>
diff --git a/app/views/onboarding/_configuration_modal.html.erb b/app/views/onboarding/_configuration_modal.html.erb
index 4ba7c51081..05dcf56190 100644
--- a/app/views/onboarding/_configuration_modal.html.erb
+++ b/app/views/onboarding/_configuration_modal.html.erb
@@ -32,7 +32,7 @@ See COPYRIGHT and LICENSE files for more details.
     <div class="op-modal--header op-modal--header_highlight">
       <%= avatar(current_user) %>
       <h1 class="op-modal--title">
-        <%= I18n.t('onboarding.welcome') %>, <%= current_user.name %>
+        <%= I18n.t('onboarding.welcome', app_title: Setting.app_title) %>, <%= current_user.name %>
       </h1>
       <button
         type="button"
diff --git a/app/views/onboarding/_onboarding_video_modal.html.erb b/app/views/onboarding/_onboarding_video_modal.html.erb
index a978d207de..45ce1e09ae 100644
--- a/app/views/onboarding/_onboarding_video_modal.html.erb
+++ b/app/views/onboarding/_onboarding_video_modal.html.erb
@@ -31,7 +31,7 @@ See COPYRIGHT and LICENSE files for more details.
   <div class="op-modal--header op-modal--header_highlight">
     <%= op_icon 'icon-context icon-user' %>
     <h1 class="op-modal--title">
-      <%= I18n.t('onboarding.welcome') %>
+      <%= I18n.t('onboarding.welcome', app_title: Setting.app_title) %>
     </h1>
     <button
       type="button"
diff --git a/app/views/roles/_form.html.erb b/app/views/roles/_form.html.erb
index 0ece471765..68160845db 100644
--- a/app/views/roles/_form.html.erb
+++ b/app/views/roles/_form.html.erb
@@ -58,11 +58,13 @@ See COPYRIGHT and LICENSE files for more details.
 
 <% if role.new_record? || role.is_a?(GlobalRole) %>
   <div id="global_permissions" style=<%= role.new_record? && !role.is_a?(GlobalRole) ? "display:none" : ""%> >
-    <%= render partial: "permissions", locals: {permissions: grouped_setable_permissions(GlobalRole.new), role: role, showGlobalRole: true }%>
+    <%= render partial: "permissions",
+               locals: { permissions: grouped_setable_permissions(GlobalRole.new), role: role, show_global_role: true }%>
   </div>
 <% end %>
 <% if role.new_record? || !role.is_a?(GlobalRole) %>
   <div id="member_permissions" style=<%= role.new_record? && role.is_a?(GlobalRole) ? "display:none" : ""%>>
-    <%= render partial: "permissions", locals: {permissions: grouped_setable_permissions(role), role: role, showGlobalRole: false }%>
+    <%= render partial: "permissions",
+               locals: { permissions: grouped_setable_permissions(role), role: role, show_global_role: false }%>
   </div>
 <% end %>
diff --git a/app/views/roles/_member_attributes.html.erb b/app/views/roles/_member_attributes.html.erb
index 111a802b24..4c7e84c555 100644
--- a/app/views/roles/_member_attributes.html.erb
+++ b/app/views/roles/_member_attributes.html.erb
@@ -27,9 +27,6 @@ See COPYRIGHT and LICENSE files for more details.
 
 ++#%>
 
-<div class="form--field">
-  <%= f.check_box :assignable %>
-</div>
 <% if role.new_record? && roles.any? %>
   <div class="form--field">
     <%= styled_label_tag :copy_workflow_from, t(:label_copy_workflow_from) %>
diff --git a/app/views/roles/_permissions.html.erb b/app/views/roles/_permissions.html.erb
index 8199b8cdc0..bb4c690250 100644
--- a/app/views/roles/_permissions.html.erb
+++ b/app/views/roles/_permissions.html.erb
@@ -28,12 +28,12 @@ See COPYRIGHT and LICENSE files for more details.
 ++#%>
 
 <% permissions.each do |mod, mod_permissions| %>
-  <% global_prefix = showGlobalRole ? 'fieldset--global--' : 'fieldset--' %>
+  <% global_prefix = show_global_role ? 'fieldset--global--' : 'fieldset--' %>
   <% module_name = mod.blank? ? 'fieldset--global--' + Project.model_name.human.downcase.gsub(' ', '_') : global_prefix + l_or_humanize(mod, prefix: 'project_module_').downcase.gsub(' ', '_') %>
   <fieldset class="form--fieldset -collapsible" id="<%= module_name %>">
     <legend class="form--fieldset-legend">
       <% if mod.blank? %>
-        <%= showGlobalRole ? t(:label_global) : Project.model_name.human %>
+        <%= show_global_role ? t(:label_global) : Project.model_name.human %>
       <% else %>
         <%= l_or_humanize(mod, prefix: 'project_module_') %>
       <% end %>
@@ -48,10 +48,15 @@ See COPYRIGHT and LICENSE files for more details.
         <div class="form--field">
           <div class="form--field-container">
             <label class="form--label-with-check-box">
-              <%= styled_check_box_tag 'role[permissions][]', permission.name, (role.permissions && role.permissions.include?(permission.name)) %>
-              <%= l_or_humanize(permission.name, prefix: 'permission_') %>
+              <%= styled_check_box_tag 'role[permissions][]',
+                                       permission.name,
+                                       (role.permissions && role.permissions.include?(permission.name)) %>
+              <%= t(:"permission_#{permission.name}") %>
             </label>
           </div>
+          <div class="form--field-instructions -labeled-checkbox">
+            <%= t(:"permission_#{permission.name}_explanation", default: nil) %>
+          </div>
         </div>
       <% end %>
     </div>
diff --git a/app/views/types/form/_form_configuration.html.erb b/app/views/types/form/_form_configuration.html.erb
index d2b2d5425b..cf23829109 100644
--- a/app/views/types/form/_form_configuration.html.erb
+++ b/app/views/types/form/_form_configuration.html.erb
@@ -33,44 +33,16 @@ See COPYRIGHT and LICENSE files for more details.
   <div>
     <div class="grid-block -visible-overflow wrap">
       <div class="grid-content -visible-overflow small-12 large-10">
-        <div class="op-toast -info">
-          <div class="op-toast--content">
-            <p><%= t('text_form_configuration') %></p>
-            <br>
-            <p><%= t('text_custom_field_hint_activate_per_project') %></p>
-          </div>
-        </div>
 
         <% if EnterpriseToken.show_banners? %>
-          <div class="op-toast upsale-notification">
-            <div class="op-toast--content">
-              <h3><%= t('admin.enterprise.upgrade_to_ee') %></h3>
-              <%= image_tag "enterprise_edition.png", class: "widget-box--teaser-image" %>
-
-              <p><%= t('ee.upsale.form_configuration.description') %></p>
-
-              <ul class="">
-                <li>
-                  <%= t('ee.upsale.form_configuration.add_groups') %>
-                </li>
-                <li>
-                  <%= t('ee.upsale.form_configuration.rename_groups') %>
-                </li>
-              </ul>
-              <p>
-                <br/>
-                <b><%= t('js.admin.enterprise.upsale.become_hero') %></b> <%= t('js.admin.enterprise.upsale.you_contribute') %>
-              </p>
-              <%= link_to("#{OpenProject::Static::Links.links[:upsale][:href]}/?utm_source=unknown&utm_medium=community-edition&utm_campaign=form-configuration",
-                          { class: 'button -alt-highlight',
-                            aria: { label: t('admin.enterprise.order') },
-                            target: '_blank',
-                            title: t('admin.enterprise.order') }) do %>
-                <%= op_icon('button--icon icon-add') %>
-                <span class="button--text"><%= t('admin.enterprise.order') %></span>
-              <% end %>
-            </div>
-          </div>
+        <%= render template: 'common/upsale',
+           locals: {
+               feature_title:  t('types.edit.form_configuration'),
+               feature_description: t('text_form_configuration') + t('text_custom_field_hint_activate_per_project'),
+               feature_reference: 'form-configuration',
+               feature_image: '',
+               feature_video: ''
+           } %>
         <% end %>
         <% no_filter_query = ::API::V3::Queries::QueryParamsRepresenter.new(Query.new_default.tap { |q| q.filters = [] }).to_json %>
         <%= f.hidden_field :attribute_groups, value: '', class: 'admin-type-form--hidden-field'  %>
diff --git a/app/workers/attachments/cleanup_uncontainered_job.rb b/app/workers/attachments/cleanup_uncontainered_job.rb
index 146a64e30b..2a9134df82 100644
--- a/app/workers/attachments/cleanup_uncontainered_job.rb
+++ b/app/workers/attachments/cleanup_uncontainered_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/attachments/finish_direct_upload_job.rb b/app/workers/attachments/finish_direct_upload_job.rb
index 9dc947b10f..dc375fa8a4 100644
--- a/app/workers/attachments/finish_direct_upload_job.rb
+++ b/app/workers/attachments/finish_direct_upload_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/backup_job.rb b/app/workers/backup_job.rb
index 254ef9405a..757a92bad3 100644
--- a/app/workers/backup_job.rb
+++ b/app/workers/backup_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/concerns/state_machine_job.rb b/app/workers/concerns/state_machine_job.rb
index b7c3d3f809..2441d04daa 100644
--- a/app/workers/concerns/state_machine_job.rb
+++ b/app/workers/concerns/state_machine_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/copy_project_job.rb b/app/workers/copy_project_job.rb
index 20005e0cba..ba61832f2b 100644
--- a/app/workers/copy_project_job.rb
+++ b/app/workers/copy_project_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/cron/clear_old_sessions_job.rb b/app/workers/cron/clear_old_sessions_job.rb
index 5b04ec776d..5682680e34 100644
--- a/app/workers/cron/clear_old_sessions_job.rb
+++ b/app/workers/cron/clear_old_sessions_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/cron/clear_tmp_cache_job.rb b/app/workers/cron/clear_tmp_cache_job.rb
index 7f1e6c4cd7..ebb0cba237 100644
--- a/app/workers/cron/clear_tmp_cache_job.rb
+++ b/app/workers/cron/clear_tmp_cache_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/app/workers/cron/clear_uploaded_files_job.rb b/app/workers/cron/clear_uploaded_files_job.rb
index 549a2417d5..e128abaf18 100644
--- a/app/workers/cron/clear_uploaded_files_job.rb
+++ b/app/workers/cron/clear_uploaded_files_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/cron/cron_job.rb b/app/workers/cron/cron_job.rb
index 24ad2cf7b6..b0a70442dd 100644
--- a/app/workers/cron/cron_job.rb
+++ b/app/workers/cron/cron_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/exports/cleanup_outdated_job.rb b/app/workers/exports/cleanup_outdated_job.rb
index 3ce161944b..73899c1170 100644
--- a/app/workers/exports/cleanup_outdated_job.rb
+++ b/app/workers/exports/cleanup_outdated_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/extract_fulltext_job.rb b/app/workers/extract_fulltext_job.rb
index a4576e1c52..3931bbaa0d 100644
--- a/app/workers/extract_fulltext_job.rb
+++ b/app/workers/extract_fulltext_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/journals/completed_job.rb b/app/workers/journals/completed_job.rb
index 77a09e453c..0de4fb4345 100644
--- a/app/workers/journals/completed_job.rb
+++ b/app/workers/journals/completed_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/mails/deliver_job.rb b/app/workers/mails/deliver_job.rb
index 9f3566705e..cecd2c62ba 100644
--- a/app/workers/mails/deliver_job.rb
+++ b/app/workers/mails/deliver_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/mails/invitation_job.rb b/app/workers/mails/invitation_job.rb
index ba665c0765..9820703d1d 100644
--- a/app/workers/mails/invitation_job.rb
+++ b/app/workers/mails/invitation_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/mails/mailer_job.rb b/app/workers/mails/mailer_job.rb
index cc6b5b5f98..48af266b88 100644
--- a/app/workers/mails/mailer_job.rb
+++ b/app/workers/mails/mailer_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/mails/reminder_job.rb b/app/workers/mails/reminder_job.rb
index 7fc336f541..cac3fa915a 100644
--- a/app/workers/mails/reminder_job.rb
+++ b/app/workers/mails/reminder_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/mails/watcher_added_job.rb b/app/workers/mails/watcher_added_job.rb
index 2c18ce5d7f..57b676060c 100644
--- a/app/workers/mails/watcher_added_job.rb
+++ b/app/workers/mails/watcher_added_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/mails/watcher_job.rb b/app/workers/mails/watcher_job.rb
index 01d03f7714..043b54e0a2 100644
--- a/app/workers/mails/watcher_job.rb
+++ b/app/workers/mails/watcher_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/mails/watcher_removed_job.rb b/app/workers/mails/watcher_removed_job.rb
index d354153242..33d0f82a0b 100644
--- a/app/workers/mails/watcher_removed_job.rb
+++ b/app/workers/mails/watcher_removed_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/mails/with_sender.rb b/app/workers/mails/with_sender.rb
index a11df9c126..46e5e94b89 100644
--- a/app/workers/mails/with_sender.rb
+++ b/app/workers/mails/with_sender.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/notifications/cleanup_job.rb b/app/workers/notifications/cleanup_job.rb
index 44786f997d..0192e9bae1 100644
--- a/app/workers/notifications/cleanup_job.rb
+++ b/app/workers/notifications/cleanup_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/notifications/group_member_altered_job.rb b/app/workers/notifications/group_member_altered_job.rb
index 2dc873e72d..90fa73dbcf 100644
--- a/app/workers/notifications/group_member_altered_job.rb
+++ b/app/workers/notifications/group_member_altered_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/notifications/schedule_reminder_mails_job.rb b/app/workers/notifications/schedule_reminder_mails_job.rb
index 7c3b190d3c..192a2f5819 100644
--- a/app/workers/notifications/schedule_reminder_mails_job.rb
+++ b/app/workers/notifications/schedule_reminder_mails_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/notifications/with_marked_notifications.rb b/app/workers/notifications/with_marked_notifications.rb
index f9cfd534a3..dda64ce20e 100644
--- a/app/workers/notifications/with_marked_notifications.rb
+++ b/app/workers/notifications/with_marked_notifications.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/notifications/workflow_job.rb b/app/workers/notifications/workflow_job.rb
index 329497d222..8c84984cb5 100644
--- a/app/workers/notifications/workflow_job.rb
+++ b/app/workers/notifications/workflow_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/oauth/cleanup_job.rb b/app/workers/oauth/cleanup_job.rb
index 489a1327d3..2e4f6ca4f8 100644
--- a/app/workers/oauth/cleanup_job.rb
+++ b/app/workers/oauth/cleanup_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/principals/delete_job.rb b/app/workers/principals/delete_job.rb
index 0be6eefebe..d5e54cefa5 100644
--- a/app/workers/principals/delete_job.rb
+++ b/app/workers/principals/delete_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/projects/delete_project_job.rb b/app/workers/projects/delete_project_job.rb
index 41ffe35124..eb199ff482 100644
--- a/app/workers/projects/delete_project_job.rb
+++ b/app/workers/projects/delete_project_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/projects/reorder_children_job.rb b/app/workers/projects/reorder_children_job.rb
index cfb04fbcae..26ab53ef67 100644
--- a/app/workers/projects/reorder_children_job.rb
+++ b/app/workers/projects/reorder_children_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/scm/create_local_repository_job.rb b/app/workers/scm/create_local_repository_job.rb
index 0ca0f1148f..f807ecf238 100644
--- a/app/workers/scm/create_local_repository_job.rb
+++ b/app/workers/scm/create_local_repository_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/scm/create_remote_repository_job.rb b/app/workers/scm/create_remote_repository_job.rb
index 8af45bb2c5..86bd14e885 100644
--- a/app/workers/scm/create_remote_repository_job.rb
+++ b/app/workers/scm/create_remote_repository_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/scm/delete_local_repository_job.rb b/app/workers/scm/delete_local_repository_job.rb
index 4dcb6ef546..53149f470e 100644
--- a/app/workers/scm/delete_local_repository_job.rb
+++ b/app/workers/scm/delete_local_repository_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/scm/delete_remote_repository_job.rb b/app/workers/scm/delete_remote_repository_job.rb
index 268da92a15..f8128053a9 100644
--- a/app/workers/scm/delete_remote_repository_job.rb
+++ b/app/workers/scm/delete_remote_repository_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/scm/relocate_repository_job.rb b/app/workers/scm/relocate_repository_job.rb
index 00e84f3790..c826854bd3 100644
--- a/app/workers/scm/relocate_repository_job.rb
+++ b/app/workers/scm/relocate_repository_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/scm/remote_repository_job.rb b/app/workers/scm/remote_repository_job.rb
index d4dba08925..1139946f03 100644
--- a/app/workers/scm/remote_repository_job.rb
+++ b/app/workers/scm/remote_repository_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/app/workers/scm/storage_updater_job.rb b/app/workers/scm/storage_updater_job.rb
index aa86fe4486..d034f65e04 100644
--- a/app/workers/scm/storage_updater_job.rb
+++ b/app/workers/scm/storage_updater_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config.ru b/config.ru
index 4031e77fd4..b2cd4022be 100644
--- a/config.ru
+++ b/config.ru
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/additional_environment.rb.example b/config/additional_environment.rb.example
index 151982db82..211d602dc4 100644
--- a/config/additional_environment.rb.example
+++ b/config/additional_environment.rb.example
@@ -1,4 +1,3 @@
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/application.rb b/config/application.rb
index f2f7bb751b..b88fea55c3 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/boot.rb b/config/boot.rb
index 6fe423d738..f37d25e1f2 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/constants/open_project/activity.rb b/config/constants/open_project/activity.rb
index 20c79fd747..2069214138 100644
--- a/config/constants/open_project/activity.rb
+++ b/config/constants/open_project/activity.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -32,15 +30,15 @@ module OpenProject
   module Activity
     class << self
       def available_event_types
-        @available_event_types ||= []
+        @available_event_types ||= Set.new
       end
 
       def default_event_types
-        @default_event_types ||= []
+        @default_event_types ||= Set.new
       end
 
       def providers
-        @providers ||= Hash.new { |h, k| h[k] = [] }
+        @providers ||= Hash.new { |h, k| h[k] = Set.new }
       end
 
       def map(&_block)
@@ -52,12 +50,11 @@ module OpenProject
         options.assert_valid_keys(:class_name, :default)
 
         event_type = event_type.to_s
-        providers = options[:class_name] || event_type.classify
-        providers = ([] << providers) unless providers.is_a?(Array)
+        available_event_types << event_type
+        default_event_types << event_type unless options[:default] == false
 
-        available_event_types << event_type unless available_event_types.include?(event_type)
-        default_event_types << event_type unless default_event_types.include?(event_type) || options[:default] == false
-        self.providers[event_type] += providers
+        providers = options[:class_name] || event_type.classify
+        self.providers[event_type] += Array(providers)
       end
     end
   end
diff --git a/config/constants/project_activity.rb b/config/constants/project_activity.rb
index c0d01f5529..faaff8c380 100644
--- a/config/constants/project_activity.rb
+++ b/config/constants/project_activity.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -32,7 +30,7 @@ module Constants
   module ProjectActivity
     class << self
       def register(on:, attribute:, chain: [])
-        @registered ||= []
+        @registered ||= Set.new
 
         @registered << { on: on,
                          chain: chain,
diff --git a/config/environment.rb b/config/environment.rb
index fc0dda3b9e..3f70724d8d 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/environments/demo.rb b/config/environments/demo.rb
index 08c53f95af..c59530a18c 100644
--- a/config/environments/demo.rb
+++ b/config/environments/demo.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 212a23da3f..49ef1e064f 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 01adb3ff67..b34f151c09 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 7f90a5ae1e..022b5405d5 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/environments/test_pgsql.rb b/config/environments/test_pgsql.rb
index d75f9cef45..65fa6d47cf 100644
--- a/config/environments/test_pgsql.rb
+++ b/config/environments/test_pgsql.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/00-core_plugins.rb b/config/initializers/00-core_plugins.rb
index 9f533157bd..3e5a105988 100644
--- a/config/initializers/00-core_plugins.rb
+++ b/config/initializers/00-core_plugins.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/05-null_db_fallback.rb b/config/initializers/05-null_db_fallback.rb
index f39f9f3124..0478dd83cf 100644
--- a/config/initializers/05-null_db_fallback.rb
+++ b/config/initializers/05-null_db_fallback.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/06-pending_migrations_check.rb b/config/initializers/06-pending_migrations_check.rb
index 42097ba199..e88b56bfde 100644
--- a/config/initializers/06-pending_migrations_check.rb
+++ b/config/initializers/06-pending_migrations_check.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/10-load_patches.rb b/config/initializers/10-load_patches.rb
index 955bd266b8..5caab4bf3a 100644
--- a/config/initializers/10-load_patches.rb
+++ b/config/initializers/10-load_patches.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/30-open_project_loading.rb b/config/initializers/30-open_project_loading.rb
index 8b96198169..14a3f51aeb 100644
--- a/config/initializers/30-open_project_loading.rb
+++ b/config/initializers/30-open_project_loading.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/activity.rb b/config/initializers/activity.rb
index 3b9c0abcb8..555266553a 100644
--- a/config/initializers/activity.rb
+++ b/config/initializers/activity.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -28,31 +26,33 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-OpenProject::Activity.map do |activity|
-  activity.register :work_packages, class_name: '::Activities::WorkPackageActivityProvider'
-  activity.register :changesets, class_name: 'Activities::ChangesetActivityProvider'
-  activity.register :news, class_name: 'Activities::NewsActivityProvider',
-                           default: false
-  activity.register :wiki_edits, class_name: 'Activities::WikiContentActivityProvider',
+Rails.application.reloader.to_prepare do
+  OpenProject::Activity.map do |activity|
+    activity.register :work_packages, class_name: '::Activities::WorkPackageActivityProvider'
+    activity.register :changesets, class_name: 'Activities::ChangesetActivityProvider'
+    activity.register :news, class_name: 'Activities::NewsActivityProvider',
+                             default: false
+    activity.register :wiki_edits, class_name: 'Activities::WikiContentActivityProvider',
+                                   default: false
+    activity.register :messages, class_name: 'Activities::MessageActivityProvider',
                                  default: false
-  activity.register :messages, class_name: 'Activities::MessageActivityProvider',
-                               default: false
-end
+  end
 
-Project.register_latest_project_activity on: 'WorkPackage',
-                                         attribute: :updated_at
+  Project.register_latest_project_activity on: 'WorkPackage',
+                                           attribute: :updated_at
 
-Project.register_latest_project_activity on: 'News',
-                                         attribute: :updated_at
+  Project.register_latest_project_activity on: 'News',
+                                           attribute: :updated_at
 
-Project.register_latest_project_activity on: 'Changeset',
-                                         chain: 'Repository',
-                                         attribute: :committed_on
+  Project.register_latest_project_activity on: 'Changeset',
+                                           chain: 'Repository',
+                                           attribute: :committed_on
 
-Project.register_latest_project_activity on: 'WikiContent',
-                                         chain: %w(Wiki WikiPage),
-                                         attribute: :updated_at
+  Project.register_latest_project_activity on: 'WikiContent',
+                                           chain: %w(Wiki WikiPage),
+                                           attribute: :updated_at
 
-Project.register_latest_project_activity on: 'Message',
-                                         chain: 'Forum',
-                                         attribute: :updated_at
+  Project.register_latest_project_activity on: 'Message',
+                                           chain: 'Forum',
+                                           attribute: :updated_at
+end
diff --git a/config/initializers/backtrace_silencers.rb b/config/initializers/backtrace_silencers.rb
index 76eca0bc03..d2261db856 100644
--- a/config/initializers/backtrace_silencers.rb
+++ b/config/initializers/backtrace_silencers.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/bcrypt.rb b/config/initializers/bcrypt.rb
index 704b9b8dd5..da087626ff 100644
--- a/config/initializers/bcrypt.rb
+++ b/config/initializers/bcrypt.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/bullet.rb b/config/initializers/bullet.rb
index 902438cba2..04a6aac6a0 100644
--- a/config/initializers/bullet.rb
+++ b/config/initializers/bullet.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/custom_field_format.rb b/config/initializers/custom_field_format.rb
index 9262cc70c4..9776eabb49 100644
--- a/config/initializers/custom_field_format.rb
+++ b/config/initializers/custom_field_format.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/delayed_job_config.rb b/config/initializers/delayed_job_config.rb
index 48a70e556a..990ce0bc70 100644
--- a/config/initializers/delayed_job_config.rb
+++ b/config/initializers/delayed_job_config.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -34,9 +32,12 @@ Delayed::Worker.logger = nil
 # By default bypass worker queue and execute asynchronous tasks at once
 Delayed::Worker.delay_jobs = true
 
-# Set default priority (lower = higher priority)
-# Example ordering, see ApplicationJob.priority_number
-Delayed::Worker.default_priority = ::ApplicationJob.priority_number(:default)
+# Prevent loading ApplicationJob during initialization
+Rails.application.reloader.to_prepare do
+  # Set default priority (lower = higher priority)
+  # Example ordering, see ApplicationJob.priority_number
+  Delayed::Worker.default_priority = ::ApplicationJob.priority_number(:default)
+end
 
 # Do not retry jobs from delayed_job
 # instead use 'retry_on' activejob functionality
diff --git a/config/initializers/enforce_isolation_level.rb b/config/initializers/enforce_isolation_level.rb
index 319e2539db..4d018c2fd8 100644
--- a/config/initializers/enforce_isolation_level.rb
+++ b/config/initializers/enforce_isolation_level.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/filter_parameter_logging.rb b/config/initializers/filter_parameter_logging.rb
index b400549b82..94bd324ebc 100644
--- a/config/initializers/filter_parameter_logging.rb
+++ b/config/initializers/filter_parameter_logging.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/homescreen.rb b/config/initializers/homescreen.rb
index 7000688e6e..7597f12d26 100644
--- a/config/initializers/homescreen.rb
+++ b/config/initializers/homescreen.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/i18n.rb b/config/initializers/i18n.rb
index c8bb0e9a2f..1382533fd7 100644
--- a/config/initializers/i18n.rb
+++ b/config/initializers/i18n.rb
@@ -6,10 +6,12 @@ I18n::Backend::Simple.include OpenProject::Translations::PluralizationBackend
 # Adds fallback to default locale for untranslated strings
 I18n::Backend::Simple.include I18n::Backend::Fallbacks
 
-# As we enabled +config.i18n.fallbacks+, Rails will fall back
-# to the default locale.
-# When other locales are available, fall back to them.
-if Setting.table_exists? # don't want to prevent migrations
-  defaults = Set.new I18n.fallbacks.defaults + Setting.available_languages.map(&:to_sym)
-  I18n.fallbacks.defaults = defaults
+Rails.application.reloader.to_prepare do
+  # As we enabled +config.i18n.fallbacks+, Rails will fall back
+  # to the default locale.
+  # When other locales are available, fall back to them.
+  if Setting.table_exists? # don't want to prevent migrations
+    defaults = Set.new I18n.fallbacks.defaults + Setting.available_languages.map(&:to_sym)
+    I18n.fallbacks.defaults = defaults
+  end
 end
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 69c6c4ce9e..ca93914bb1 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/livingstyleguide_patches.rb b/config/initializers/livingstyleguide_patches.rb
index c1da9b2de0..d2cfef827e 100644
--- a/config/initializers/livingstyleguide_patches.rb
+++ b/config/initializers/livingstyleguide_patches.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/menus.rb b/config/initializers/menus.rb
index 81c5e4a41d..4b0ce26cdb 100644
--- a/config/initializers/menus.rb
+++ b/config/initializers/menus.rb
@@ -1,4 +1,3 @@
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
index ac5631c9c5..dad2c815ed 100644
--- a/config/initializers/mime_types.rb
+++ b/config/initializers/mime_types.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/module_handler.rb b/config/initializers/module_handler.rb
index 624f0e62fd..ea1675ca98 100644
--- a/config/initializers/module_handler.rb
+++ b/config/initializers/module_handler.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/permissions.rb b/config/initializers/permissions.rb
index c28224fbbe..db64b77f62 100644
--- a/config/initializers/permissions.rb
+++ b/config/initializers/permissions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -38,7 +36,7 @@ OpenProject::AccessControl.map do |map|
                    global: true,
                    contract_actions: { projects: %i[create] }
 
-    map.permission Backup.permission,
+    map.permission :create_backup,
                    { backups: %i[index] },
                    require: :loggedin,
                    global: true,
@@ -230,6 +228,15 @@ OpenProject::AccessControl.map do |map|
     wpt.permission :assign_versions,
                    {},
                    dependencies: :view_work_packages
+
+    # A user having the following permission can become assignee and/or responsible of a work package.
+    # This is a passive permission in the sense that a user having the permission isn't eligible to perform
+    # actions but rather to have actions taken together with him/her.
+    wpt.permission :work_package_assigned,
+                   {},
+                   require: :member,
+                   contract_actions: { work_packages: %i[assigned] },
+                   grant_to_admin: false
   end
 
   map.project_module :news do |news|
@@ -245,12 +252,12 @@ OpenProject::AccessControl.map do |map|
                     require: :member
 
     news.permission :comment_news,
-                    'news/comments': :create
+                    { 'news/comments': :create }
   end
 
   map.project_module :wiki do |wiki|
     wiki.permission :view_wiki_pages,
-                    wiki: %i[index show special date_index]
+                    { wiki: %i[index show special date_index] }
 
     wiki.permission :list_attachments,
                     { wiki: :list_attachments },
@@ -277,13 +284,13 @@ OpenProject::AccessControl.map do |map|
                     require: :member
 
     wiki.permission :export_wiki_pages,
-                    wiki: [:export]
+                    { wiki: [:export] }
 
     wiki.permission :view_wiki_edits,
-                    wiki: %i[history diff annotate]
+                    { wiki: %i[history diff annotate] }
 
     wiki.permission :edit_wiki_pages,
-                    wiki: %i[edit update preview add_attachment new new_child create]
+                    { wiki: %i[edit update preview add_attachment new new_child create] }
 
     wiki.permission :delete_wiki_pages_attachments,
                     {}
@@ -295,7 +302,7 @@ OpenProject::AccessControl.map do |map|
 
   map.project_module :repository do |repo|
     repo.permission :browse_repository,
-                    repositories: %i[show browse entry annotate changes diff stats graph]
+                    { repositories: %i[show browse entry annotate changes diff stats graph] }
 
     repo.permission :commit_access,
                     {}
@@ -308,7 +315,7 @@ OpenProject::AccessControl.map do |map|
                     require: :member
 
     repo.permission :view_changesets,
-                    repositories: %i[show revisions revision]
+                    { repositories: %i[show revisions revision] }
 
     repo.permission :view_commit_author_statistics,
                     {}
@@ -325,7 +332,7 @@ OpenProject::AccessControl.map do |map|
                      public: true
 
     forum.permission :add_messages,
-                     messages: %i[new create reply quote preview]
+                     { messages: %i[new create reply quote preview] }
 
     forum.permission :edit_messages,
                      { messages: %i[edit update preview] },
diff --git a/config/initializers/rack-cors.rb b/config/initializers/rack-cors.rb
index d6d4215066..d6d5cd3738 100644
--- a/config/initializers/rack-cors.rb
+++ b/config/initializers/rack-cors.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/rails_footnotes.rb b/config/initializers/rails_footnotes.rb
index 0c10400a13..60f7bd11e5 100644
--- a/config/initializers/rails_footnotes.rb
+++ b/config/initializers/rails_footnotes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/register_mail_interceptors.rb b/config/initializers/register_mail_interceptors.rb
index e825d63d41..e47f9b9d5a 100644
--- a/config/initializers/register_mail_interceptors.rb
+++ b/config/initializers/register_mail_interceptors.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -31,6 +29,8 @@
 # Register interceptors defined in app/mailers/user_mailer.rb
 # Do this here, so they aren't registered multiple times due to reloading in development mode.
 
-ApplicationMailer.register_interceptor(DefaultHeadersInterceptor)
-# following needs to be the last interceptor
-ApplicationMailer.register_interceptor(DoNotSendMailsWithoutReceiverInterceptor)
+Rails.application.config.action_mailer.interceptors = [
+  "DefaultHeadersInterceptor",
+  # following needs to be the last interceptor
+  "DoNotSendMailsWithoutReceiverInterceptor"
+]
diff --git a/config/initializers/register_renderer.rb b/config/initializers/register_renderer.rb
index ff1003a85a..5c6e659105 100644
--- a/config/initializers/register_renderer.rb
+++ b/config/initializers/register_renderer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/search.rb b/config/initializers/search.rb
index ff392e871a..7eab184099 100644
--- a/config/initializers/search.rb
+++ b/config/initializers/search.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/sentry.rb b/config/initializers/sentry.rb
index 3c088301a0..f4d0d3f8dc 100644
--- a/config/initializers/sentry.rb
+++ b/config/initializers/sentry.rb
@@ -1,36 +1,8 @@
 if OpenProject::Logging::SentryLogger.enabled?
-  require "sentry-ruby"
-  require "sentry-rails"
-  require "sentry-delayed_job"
-
-  # Explicitly require the send event job
-  require File.join(Sentry::Engine.root, 'app/jobs/sentry/send_event_job')
-
-  # We need to manually load the sentry initializer
-  # as we're dynamically loading it
-  # https://github.com/getsentry/sentry-ruby/blob/master/sentry-rails/lib/sentry/rails/railtie.rb#L8-L13
-  OpenProject::Application.configure do |app|
-    # need to be placed at last to smuggle app exceptions via env
-    app.config.middleware.use(Sentry::Rails::RescuedExceptionInterceptor)
-  end
-
-  ##
-  # Define the SentryJob here, as sentry gets dynamically loaded
-  class SentryJob < Sentry::SendEventJob
-    queue_with_priority :low
-  end
-
   Sentry.init do |config|
     config.dsn = OpenProject::Logging::SentryLogger.sentry_dsn
     config.breadcrumbs_logger = OpenProject::Configuration.sentry_breadcrumb_loggers.map(&:to_sym)
 
-    # Submit events as delayed job only when requested to do that
-    if ENV['OPENPROJECT_SENTRY_DELAYED_JOB'] == 'true'
-      config.async = lambda do |event, hint|
-        ::SentryJob.perform_later(event, hint)
-      end
-    end
-
     # Output debug info for sentry
     config.before_send = lambda do |event, hint|
       Rails.logger.debug do
@@ -41,9 +13,15 @@ if OpenProject::Logging::SentryLogger.enabled?
       event
     end
 
+    # Add plugins with openproject/open_project in backtraces to internal
+    config.app_dirs_pattern = /(bin|exe|app|config|lib|open_?project)/
+
     # Don't send loaded modules
     config.send_modules = false
 
+    # Disable sentry's internal client reports
+    config.send_client_reports = false
+
     # Cleanup backtrace
     config.backtrace_cleanup_callback = lambda do |backtrace|
       Rails.backtrace_cleaner.clean(backtrace)
diff --git a/config/initializers/session_store.rb b/config/initializers/session_store.rb
index 4801cbb87c..8c416a1be1 100644
--- a/config/initializers/session_store.rb
+++ b/config/initializers/session_store.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/subscribe_listeners.rb b/config/initializers/subscribe_listeners.rb
index b5c3e1a5ee..2d75328f0f 100644
--- a/config/initializers/subscribe_listeners.rb
+++ b/config/initializers/subscribe_listeners.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/typed_dag.rb b/config/initializers/typed_dag.rb
index b433f73a3f..6c61bbdcbc 100644
--- a/config/initializers/typed_dag.rb
+++ b/config/initializers/typed_dag.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/initializers/wrap_parameters.rb b/config/initializers/wrap_parameters.rb
index 6d2199d63f..d478061788 100644
--- a/config/initializers/wrap_parameters.rb
+++ b/config/initializers/wrap_parameters.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/locales/crowdin/af.yml b/config/locales/crowdin/af.yml
index 896a3da30d..4eeea856b1 100644
--- a/config/locales/crowdin/af.yml
+++ b/config/locales/crowdin/af.yml
@@ -471,7 +471,6 @@ af:
       repository:
         url: "Bronadres"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Toestemmings"
       time_entry:
         activity: "Aktiwiteit"
@@ -892,6 +891,7 @@ af:
     version: "Weergawe"
     work_package: "Werkspakket"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ af:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/ar.yml b/config/locales/crowdin/ar.yml
index 68d98deaaf..e151fe0563 100644
--- a/config/locales/crowdin/ar.yml
+++ b/config/locales/crowdin/ar.yml
@@ -475,7 +475,6 @@ ar:
       repository:
         url: "الرابط"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "السماحيات"
       time_entry:
         activity: "النشاط"
@@ -912,6 +911,7 @@ ar:
     version: "الإصدار"
     work_package: "مجموعة العمل"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2276,6 +2276,8 @@ ar:
   permission_view_timelines: "عرض الخطوط الزمنية"
   permission_view_wiki_edits: "عرض تاريخ wiki"
   permission_view_wiki_pages: "عرض wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/az.yml b/config/locales/crowdin/az.yml
index cedbc637f7..9af23d06a2 100644
--- a/config/locales/crowdin/az.yml
+++ b/config/locales/crowdin/az.yml
@@ -471,7 +471,6 @@ az:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Permissions"
       time_entry:
         activity: "Activity"
@@ -892,6 +891,7 @@ az:
     version: "Version"
     work_package: "Work package"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ az:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/bg.yml b/config/locales/crowdin/bg.yml
index 865bb03020..2811c71408 100644
--- a/config/locales/crowdin/bg.yml
+++ b/config/locales/crowdin/bg.yml
@@ -471,7 +471,6 @@ bg:
       repository:
         url: "URL АДРЕС"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Права"
       time_entry:
         activity: "Активност"
@@ -892,6 +891,7 @@ bg:
     version: "Версия"
     work_package: "Работен пакет"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ bg:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/ca.yml b/config/locales/crowdin/ca.yml
index 9a5578391c..981b8ca13c 100644
--- a/config/locales/crowdin/ca.yml
+++ b/config/locales/crowdin/ca.yml
@@ -468,7 +468,6 @@ ca:
       repository:
         url: "URL"
       role:
-        assignable: "Els paquets de treball es poden assignar als usuaris i als grups que tinguin aquest rol en el seu respectiu projecte"
         permissions: "Permisos"
       time_entry:
         activity: "Activitat"
@@ -889,6 +888,7 @@ ca:
     version: "Versió"
     work_package: "Paquet de treball"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2197,6 +2197,8 @@ ca:
   permission_view_timelines: "Veure els terminis"
   permission_view_wiki_edits: "Visualitza l'historial de la wiki"
   permission_view_wiki_pages: "Visualitzar la wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Els paquets de treball es poden assignar als usuaris i als grups que tinguin aquest rol en el seu respectiu projecte"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/cs.yml b/config/locales/crowdin/cs.yml
index ca0e93efb3..0a6221282d 100644
--- a/config/locales/crowdin/cs.yml
+++ b/config/locales/crowdin/cs.yml
@@ -473,7 +473,6 @@ cs:
       repository:
         url: "URL"
       role:
-        assignable: "Pracovní balíčky mohou být přiřazeny uživatelům a skupinám, které tuto roli vlastní v příslušném projektu"
         permissions: "Práva"
       time_entry:
         activity: "Aktivita"
@@ -902,6 +901,7 @@ cs:
     version: "Verze"
     work_package: "Pracovní balíček"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Záložní token"
     label_create_token: "Vytvořit záložní token"
     label_delete_token: "Odstranit záložní token"
@@ -1068,7 +1068,7 @@ cs:
       - "únor"
       - "březen"
       - "duben"
-      - "Kvě"
+      - "Květen"
       - "červen"
       - "červenec"
       - "srpen"
@@ -2237,6 +2237,8 @@ cs:
   permission_view_timelines: "Zobrazit časové osy"
   permission_view_wiki_edits: "Zobrazit historii wiki"
   permission_view_wiki_pages: "Zobrazit wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Pracovní balíčky mohou být přiřazeny uživatelům a skupinám, které tuto roli vlastní v příslušném projektu"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/da.yml b/config/locales/crowdin/da.yml
index 54595f881f..43f5f9b2d5 100644
--- a/config/locales/crowdin/da.yml
+++ b/config/locales/crowdin/da.yml
@@ -469,7 +469,6 @@ da:
       repository:
         url: "Webadresse"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Tilladelser"
       time_entry:
         activity: "Aktivivtet"
@@ -890,6 +889,7 @@ da:
     version: "Version"
     work_package: "Arbejdspakke"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Sikkerhedskopiér token"
     label_create_token: "Opret sikkerhedskopi token"
     label_delete_token: "Slet sikkerhedskopi token"
@@ -2198,6 +2198,8 @@ da:
   permission_view_timelines: "Vis tidslinjer"
   permission_view_wiki_edits: "Vis wiki-historik"
   permission_view_wiki_pages: "Vis wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/de.yml b/config/locales/crowdin/de.yml
index 44eef0aeed..ec74f802cf 100644
--- a/config/locales/crowdin/de.yml
+++ b/config/locales/crowdin/de.yml
@@ -74,10 +74,10 @@ de:
       book_now: 'Jetzt buchen'
       get_quote: 'Angebot anfordern'
       buttons:
-        upgrade: "Upgrade now"
-        contact: "Contact us for a demo"
-      enterprise_info_html: "is an Enterprise <strong class='icon-medal'></strong> feature."
-      upgrade_info: "Please upgrade to a paid plan to activate and start using it in your team."
+        upgrade: "Jetzt Upgrade durchführen"
+        contact: "Kontaktieren Sie uns für eine Demo"
+      enterprise_info_html: "ist eine Enterprise <strong class='icon-medal'></strong> Funktion."
+      upgrade_info: "Bitte steigen Sie auf einen kostenpflichtigen Plan um, um diese Funktion zu aktivieren und in Ihrem Team zu verwenden."
   announcements:
     show_until: Anzeigen bis
     is_active: derzeit angezeigt
@@ -163,7 +163,7 @@ de:
     edit: 'Benutzerdefinierte Aktion %{name} bearbeiten'
     execute: '%{name} ausführen'
     upsale:
-      title: 'Custom actions'
+      title: 'Benutzerdefinierte Aktionen'
       description: 'Benutzerdefinierte Aktionen optimieren tägliche Arbeit durch die Abarbeitung einer Reihe von Einzelschritten in einen Knopf.'
   custom_fields:
     text_add_new_custom_field: >
@@ -262,7 +262,7 @@ de:
       irreversible: "Dieser Vorgang kann nicht rückgängig gemacht werden"
       confirmation: "Geben Sie den Namen des Platzhalter-Benutzers %{name} ein, um die Löschung zu bestätigen."
     upsale:
-      title: Placeholder users
+      title: Platzhalter-Benutzer
       description: >
         Es gibt mehrere Szenarien, in denen Sie Personen Arbeit zuweisen möchten, die nicht Mitglied Ihres Projekts sind. Es könnte einfach sein, dass Sie immer noch die richtige Person für den Job einstellen müssen. Oder Sie wollen dieser Person keinen Zugriff auf die Projektinformationen gewähren, aber dennoch die dieser Person zugewiesenen Tracking-Aufgaben aufweisen.
   prioritiies:
@@ -450,12 +450,12 @@ de:
         code: 'Status'
         explanation: 'Statusbeschreibung'
         codes:
-          not_started: 'Not started'
+          not_started: 'Nicht gestartet'
           on_track: 'Planmäßig'
           at_risk: 'Gefährdet'
           off_track: 'Unplanmäßig'
-          finished: 'Finished'
-          discontinued: 'Discontinued'
+          finished: 'Abgeschlossen'
+          discontinued: 'Eingestellt / nicht verfügbar'
       query:
         column_names: "Spalten"
         relations_to_type_column: "Beziehungen zu %{type}"
@@ -466,7 +466,6 @@ de:
       repository:
         url: "URL"
       role:
-        assignable: "Arbeitspakete können Benutzern und Gruppen im Besitz dieser Rolle in dem jeweiligen Projekt zugeordnet werden"
         permissions: "Berechtigungen"
       time_entry:
         activity: "Aktivität"
@@ -756,7 +755,7 @@ de:
         user:
           attributes:
             base:
-              user_limit_reached: "User limit reached. No more accounts can be created on the current plan."
+              user_limit_reached: "Benutzerlimit erreicht. Für den aktuellen Plan können keine weiteren Benutzerkonten erstellt werden."
             password_confirmation:
               confirmation: "Passwort und Bestätigung stimmt nicht überein."
               format: "%{message}"
@@ -887,6 +886,7 @@ de:
     version: "Version"
     work_package: "Arbeitspaket"
   backup:
+    failed: "Backup fehlgeschlagen"
     label_backup_token: "Backup-Token"
     label_create_token: "Backup-Token erstellen"
     label_delete_token: "Backup-Token löschen"
@@ -1983,7 +1983,7 @@ de:
   mail_body_backup_waiting_period: Der neue Token wird in %{hours} Stunden aktiviert.
   mail_body_backup_token_warning: Wenn Sie dies nicht waren, melden Sie sich sofort bei OpenProject an und setzen Sie es erneut zurück.
   mail_body_lost_password: "Benutzen Sie den folgenden Link, um Ihr Kennwort zu ändern:"
-  mail_body_register: "Welcome to %{app_title}. Please activate your account by clicking on this link:"
+  mail_body_register: "Willkommen zu %{app_title}. Bitte aktivieren Sie Ihr Konto, indem Sie auf diesen Link klicken:"
   mail_body_register_header_title: "Einladung als Projektmitglied"
   mail_body_register_user: "Hallo %{name},"
   mail_body_register_links_html: |
@@ -2126,7 +2126,7 @@ de:
     heading_getting_started: "Erhalten Sie einen Überblick"
     text_getting_started_description: "Erhalten Sie einen schnellen Überblick über Projekt-Management und Zusammenarbeit in Teams mit OpenProject."
     text_show_again: "Sie können dieses Video über das Hilfe-Menü erneut starten"
-    welcome: "Welcome to %{app_title}"
+    welcome: "Willkommen zu %{app_title}"
     select_language: "Bitte wählen Sie Ihre Sprache"
   permission_add_work_package_notes: "Kommentare hinzufügen"
   permission_add_work_packages: "Arbeitspakete hinzufügen"
@@ -2195,6 +2195,8 @@ de:
   permission_view_timelines: "Zeitplan-Reporte anzeigen"
   permission_view_wiki_edits: "Wiki-Versionsgeschichte ansehen"
   permission_view_wiki_pages: "Wiki ansehen"
+  permission_work_package_assigned: "Zugewiesener/Verantwortlicher werden"
+  permission_work_package_assigned_explanation: "Arbeitspakete können Benutzern und Gruppen im Besitz dieser Rolle in dem jeweiligen Projekt zugeordnet werden"
   placeholders:
     default: "-"
   project:
@@ -2346,9 +2348,9 @@ de:
   setting_apiv3_cors_origins: "API V3 Cross-Origin Resource Sharing (CORS) erlaubte Origins"
   setting_apiv3_cors_origins_text_html: >
     Wenn CORS aktiviert ist, sind dies die Origins, die auf die OpenProject API zugreifen dürfen. <br/> Bitte überprüfen Sie die <a href="%{origin_link}" target="_blank">Dokumentation über den Origin Header</a>, wie die Werte anzugeben sind.
-  setting_apiv3_max_page_size: "Maximum API page size"
+  setting_apiv3_max_page_size: "Maximale API-Seitengröße"
   setting_apiv3_max_page_instructions_html: >
-    Set the maximum page size the API will respond with. It will not be possible to perform API requests that return more values on a single page. <br/> <strong>Warning:</strong> Please only change this value if you are sure why you need it. Setting to a high value will result in significant performance impacts, while a value lower than the per page options will cause errors in paginated views.
+    Legen Sie die maximale Seitengröße fest, mit der die API antworten soll. Es wird nicht möglich sein, API-Anfragen durchzuführen, die mehr Werte auf einer einzelnen Seite zurückgeben. <br/> <strong>Warnung:</strong> Bitte ändern Sie diesen Wert nur, wenn Sie sicher sind, warum Sie ihn benötigen. Die Einstellung auf einen hohen Wert führt zu erheblichen Performance-Auswirkungen, während ein Wert niedriger als die Einstellung "Objekte pro Seite" zu Fehlern in paginierten Ansichten führt.
   setting_apiv3_docs: "Dokumentation"
   setting_apiv3_docs_enabled: "Dokumentationsseite aktivieren"
   setting_apiv3_docs_enabled_instructions_html: >
@@ -2905,7 +2907,7 @@ de:
       schema: 'Schema'
     undisclosed:
       parent: Unbekannt - Das ausgewählte Elternelement ist wegen fehlender Berechtigungen nicht sichtbar.
-      ancestor: Undisclosed - The ancestor is invisible because of lacking permissions.
+      ancestor: Unbekannt - Das übergeordnete Element ist wegen fehlender Berechtigungen nicht sichtbar.
   doorkeeper:
     pre_authorization:
       status: 'Vorab-Autorisierung'
@@ -2916,9 +2918,9 @@ de:
         #Common error messages
         invalid_request:
           unknown: 'Der Anfrage fehlt ein benötigten Parameter, enthält einen nicht unterstützten Parameter oder ist anderweitig fehlerhaft.'
-          missing_param: 'Missing required parameter: %{value}.'
-          request_not_authorized: 'Request need to be authorized. Required parameter for authorizing request is missing or invalid.'
-        invalid_redirect_uri: "The requested redirect uri is malformed or doesn't match client redirect URI."
+          missing_param: 'Erforderlicher Parameter fehlt: %{value}.'
+          request_not_authorized: 'Anfrage muss autorisiert werden. Benötigter Parameter für die Autorisierung der Anfrage fehlt oder ungültig.'
+        invalid_redirect_uri: "Der angeforderte Redirect-URI ist fehlerhaft."
         unauthorized_client: 'Der Client ist nicht berechtigt, einen Request mit dieser Methode durchzuführen.'
         access_denied: 'Der Autorisierungsserver verweigerte die Anfrage.'
         invalid_scope: 'Der angeforderte Geltungsbereich ist ungültig, unbekannt oder fehlerhaft.'
@@ -2931,7 +2933,7 @@ de:
         admin_authenticator_not_configured: 'Der Zugriff auf das Admin-Panel ist verboten, da Doorkeeper.configure.admin_authenticator nicht konfiguriert ist.'
         #Access grant errors
         unsupported_response_type: 'Der Autorisierungsserver unterstützt diesen Antworttyp nicht.'
-        unsupported_response_mode: 'The authorization server does not support this response mode.'
+        unsupported_response_mode: 'Der Autorisierungsserver unterstützt diesen Antworttyp nicht.'
         #Access token errors
         invalid_client: 'Die Client-Authentifizierung ist aufgrund eines unbekannten Clients oder einer nicht unterstützten Anfrage fehlgeschlagen.'
         invalid_grant: 'Die bereitgestellte Genehmigung ist ungültig, abgelaufen, widerrufen, entspricht nicht der Redirect-URI, die in der Autorisierungsanfrage verwendet wird oder wurde an einen anderen Client ausgegeben.'
@@ -2941,9 +2943,9 @@ de:
           expired: "Der Zugangstoken ist abgelaufen"
           unknown: "Das Zugangstoken ist ungültig"
         revoke:
-          unauthorized: "You are not authorized to revoke this token."
+          unauthorized: "Sie sind nicht berechtigt, diesen Token zu widerrufen."
         forbidden_token:
-          missing_scope: 'Access to this resource requires scope "%{oauth_scopes}".'
+          missing_scope: 'Der Zugriff auf diese Ressource erfordert den Scope "%{oauth_scopes}".'
   unsupported_browser:
     title: "Ihr Browser ist veraltet und nicht unterstützt."
     message: "Sie werden deshalb auf dieser Seite eventuell Fehler feststellen oder Ihr Benutzererlebnis wird eingeschränkt sein."
diff --git a/config/locales/crowdin/el.yml b/config/locales/crowdin/el.yml
index d0c072c675..782de3278f 100644
--- a/config/locales/crowdin/el.yml
+++ b/config/locales/crowdin/el.yml
@@ -467,7 +467,6 @@ el:
       repository:
         url: "URL"
       role:
-        assignable: "Τα πακέτα εργασίας μπορούν να ανατεθούν σε χρήστες και ομάδες που έχουν αυτό το ρόλο στο αντίστοιχο έργο"
         permissions: "Δικαιώματα"
       time_entry:
         activity: "Δραστηριότητα"
@@ -888,6 +887,7 @@ el:
     version: "Έκδοση"
     work_package: "Εργασία"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Token αντιγράφου ασφαλείας"
     label_create_token: "Δημιουργία token αντιγράφου ασφαλείας"
     label_delete_token: "Διαγραφή token αντιγράφου ασφαλείας"
@@ -2195,6 +2195,8 @@ el:
   permission_view_timelines: "Προβολή χρονοδιαγραμμάτων"
   permission_view_wiki_edits: "Προβολή ιστορικού wiki"
   permission_view_wiki_pages: "Προβολή wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Τα πακέτα εργασίας μπορούν να ανατεθούν σε χρήστες και ομάδες που έχουν αυτό το ρόλο στο αντίστοιχο έργο"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/eo.yml b/config/locales/crowdin/eo.yml
index 8fa900fffa..3d0df65362 100644
--- a/config/locales/crowdin/eo.yml
+++ b/config/locales/crowdin/eo.yml
@@ -471,7 +471,6 @@ eo:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Permesoj"
       time_entry:
         activity: "Aktiveco"
@@ -892,6 +891,7 @@ eo:
     version: "Versio"
     work_package: "Laborpakaĵo"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ eo:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/es.yml b/config/locales/crowdin/es.yml
index dcaf56c67c..344df7cb96 100644
--- a/config/locales/crowdin/es.yml
+++ b/config/locales/crowdin/es.yml
@@ -74,10 +74,10 @@ es:
       book_now: 'Reservar ahora'
       get_quote: 'Solicitar presupuesto'
       buttons:
-        upgrade: "Upgrade now"
-        contact: "Contact us for a demo"
-      enterprise_info_html: "is an Enterprise <strong class='icon-medal'></strong> feature."
-      upgrade_info: "Please upgrade to a paid plan to activate and start using it in your team."
+        upgrade: "Actualice ahora"
+        contact: "Contáctenos para una demostración"
+      enterprise_info_html: "es una fuerte iniciativa<strong class='icon-medal'>Enterprise</strong>."
+      upgrade_info: "Actualice a un plan de pago para activarlo y empezar a usarlo en su equipo."
   announcements:
     show_until: Muestran hasta
     is_active: mostrado actualmente
@@ -163,7 +163,7 @@ es:
     edit: 'Editar Accion Personalizada %{name}'
     execute: 'Ejecutar %{name}'
     upsale:
-      title: 'Custom actions'
+      title: 'Acciones personalizadas'
       description: 'Las Acciones personalizadas agilizan el trabajo diario mediante la combinación de un conjunto de pasos individuales en un único botón.'
   custom_fields:
     text_add_new_custom_field: >
@@ -262,7 +262,7 @@ es:
       irreversible: "Esta acción no se puede deshacer"
       confirmation: "Escriba el nombre de usuario de marcador de posición %{name} para confirmar la eliminación."
     upsale:
-      title: Placeholder users
+      title: Usuarios de marcador de posición
       description: >
         Hay varias situaciones en las que podría asignar trabajo a usuarios que no sean miembros del proyecto. Por ejemplo, puede que necesite contratar a la persona adecuada para el trabajo. O bien puede que no quiera conceder acceso a la información del proyecto, pero necesite llevar un seguimiento de las tareas asignadas a esa persona.
   prioritiies:
@@ -319,10 +319,10 @@ es:
       other: '%{count} paquetes de trabajo descendientes'
     bulk:
       could_not_be_saved: "Los siguientes paquetes de trabajo no pudieron guardarse:"
-      none_could_be_saved: "None of the %{total} work packages could be updated."
-      x_out_of_y_could_be_saved: "%{failing} out of the %{total} work packages could not be updated while %{success} could."
-      selected_because_descendants: "While %{selected} work packages where selected, in total %{total} work packages are affected which includes descendants."
-      descendant: "descendant of selected"
+      none_could_be_saved: "Ninguno de los %{total} paquetes de trabajo pudo ser actualizado."
+      x_out_of_y_could_be_saved: "%{failing} de %{total} paquetes de trabajo no pudieron ser actualizados mientras que %{success} pudieron."
+      selected_because_descendants: "Mientras que %{selected} paquetes de trabajo seleccionados, en total %{total} paquetes de trabajo son afectados que incluye descendientes."
+      descendant: "descendiente seleccionado"
     move:
       no_common_statuses_exists: "No hay ningún estado disponible para todos los paquetes de trabajo seleccionados. Su estado no se puede cambiar."
       unsupported_for_multiple_projects: 'Mover o copiar por lotes no esta soportado para paquetes de trabajo de múltiples proyectos'
@@ -452,12 +452,12 @@ es:
         code: 'Estado'
         explanation: 'Descripción del estado'
         codes:
-          not_started: 'Not started'
+          not_started: 'No iniciado'
           on_track: 'Según lo previsto'
           at_risk: 'En riesgo'
           off_track: 'Fuera de lo previsto'
-          finished: 'Finished'
-          discontinued: 'Discontinued'
+          finished: 'Completado'
+          discontinued: 'Discontinuado'
       query:
         column_names: "Columnas"
         relations_to_type_column: "Relaciones con %{type}"
@@ -468,7 +468,6 @@ es:
       repository:
         url: "URL"
       role:
-        assignable: "Los paquetes de trabajo se pueden asignar a usuarios y grupos con este papel en los proyectos correspondientes"
         permissions: "Permisos"
       time_entry:
         activity: "Actividad"
@@ -746,7 +745,7 @@ es:
               does_not_exist: "La categoría especificada no existe."
             estimated_hours:
               only_values_greater_or_equal_zeroes_allowed: "debe ser >=0."
-          readonly_status: 'The work package is in a readonly status so its attributes cannot be changed.'
+          readonly_status: 'El paquete de trabajo está en un estado de sólo lectura por lo que sus atributos no se pueden cambiar.'
         type:
           attributes:
             attribute_groups:
@@ -758,7 +757,7 @@ es:
         user:
           attributes:
             base:
-              user_limit_reached: "User limit reached. No more accounts can be created on the current plan."
+              user_limit_reached: "El límite de usuarios ha sido alcanzado. No se pueden crear más cuentas en el plan actual."
             password_confirmation:
               confirmation: "La confirmación de contraseña no coincide con la contraseña."
               format: "%{message}"
@@ -889,6 +888,7 @@ es:
     version: "Versión"
     work_package: "Paquete de trabajo"
   backup:
+    failed: "La copia de seguridad ha fallado"
     label_backup_token: "Token de copias de seguridad"
     label_create_token: "Crear token de copias de seguridad"
     label_delete_token: "Eliminar token de copias de seguridad"
@@ -1630,8 +1630,8 @@ es:
   lable_membership_added: 'Miembro añadido'
   lable_membership_updated: 'Miembro actualizado'
   label_menu_badge:
-    pre_alpha: 'pre-alpha'
-    alpha: 'alpha'
+    pre_alpha: 'pre-alfa'
+    alpha: 'alfa'
     beta: 'beta'
   label_menu_item_name: "Nombre del elemento de menú"
   label_message: "Mensaje"
@@ -1985,7 +1985,7 @@ es:
   mail_body_backup_waiting_period: El nuevo token se habilitará en %{hours} horas.
   mail_body_backup_token_warning: Si no lo ha solicitado, inicie sesión en OpenProject de inmediato y vuelva a restablecerlo.
   mail_body_lost_password: "Para cambiar su contraseña, haga clic en el siguiente enlace:"
-  mail_body_register: "Welcome to %{app_title}. Please activate your account by clicking on this link:"
+  mail_body_register: "Bienvenido a %{app_title}. Por favor, active su cuenta haciendo clic en este enlace:"
   mail_body_register_header_title: "Correo electrónico de invitación al miembro del proyecto"
   mail_body_register_user: "Estimado/a %{name},"
   mail_body_register_links_html: |
@@ -2128,7 +2128,7 @@ es:
     heading_getting_started: "Obtener información general"
     text_getting_started_description: "Obtenga información general rápida sobre la administración de proyectos y la colaboración en equipo con OpenProject."
     text_show_again: "Puede reiniciar este vídeo en el menú ayuda"
-    welcome: "Welcome to %{app_title}"
+    welcome: "Bienvenido a %{app_title}"
     select_language: "Seleccione su idioma"
   permission_add_work_package_notes: "Añadir notas"
   permission_add_work_packages: "Añadir paquetes de trabajo"
@@ -2197,6 +2197,8 @@ es:
   permission_view_timelines: "Ver líneas de tiempo"
   permission_view_wiki_edits: "Ver historial wiki"
   permission_view_wiki_pages: "Ver wiki"
+  permission_work_package_assigned: "Hazte asignado/responsable"
+  permission_work_package_assigned_explanation: "Los paquetes de trabajo se pueden asignar a usuarios y grupos con este papel en los proyectos correspondientes"
   placeholders:
     default: "-"
   project:
@@ -2348,9 +2350,9 @@ es:
   setting_apiv3_cors_origins: "Orígenes permitidos de la API de CORS (uso compartido de recursos entre orígenes) V3"
   setting_apiv3_cors_origins_text_html: >
     Si CORS está habilitado, estos son los orígenes que tienen permiso para acceder a la API de OpenProject. <br/> Consulte la <a href="%{origin_link}" target="_blank">documentación sobre el encabezado Origin</a> para obtener información sobre cómo especificar los valores esperados.
-  setting_apiv3_max_page_size: "Maximum API page size"
+  setting_apiv3_max_page_size: "Tamaño máximo de página"
   setting_apiv3_max_page_instructions_html: >
-    Set the maximum page size the API will respond with. It will not be possible to perform API requests that return more values on a single page. <br/> <strong>Warning:</strong> Please only change this value if you are sure why you need it. Setting to a high value will result in significant performance impacts, while a value lower than the per page options will cause errors in paginated views.
+    Establecer el tamaño máximo de página con el que responderá la API. No será posible realizar peticiones API que devuelvan más valores en una sola página. <br/> <strong>Advertencia:</strong> Por favor, cambie este valor sólo si está seguro de por qué lo necesita. Un ajuste alto impactará significativamente el rendimiento, mientras que un valor inferior a las opciones por página causará errores en las vistas paginadas.
   setting_apiv3_docs: "Documentación"
   setting_apiv3_docs_enabled: "Activar página de documentos"
   setting_apiv3_docs_enabled_instructions_html: >
@@ -2906,7 +2908,7 @@ es:
       schema: 'Esquema'
     undisclosed:
       parent: 'Oculto: el elemento primario seleccionado no se muestra porque no tiene los permisos necesarios.'
-      ancestor: Undisclosed - The ancestor is invisible because of lacking permissions.
+      ancestor: No revelado - El antepasado es invisible por falta de permisos.
   doorkeeper:
     pre_authorization:
       status: 'Pre-autorización'
@@ -2917,9 +2919,9 @@ es:
         #Common error messages
         invalid_request:
           unknown: 'Falta un parámetro necesario en la petición, un valor de parámetro no compatible ha sido añadido, o se encuentra deformado.'
-          missing_param: 'Missing required parameter: %{value}.'
-          request_not_authorized: 'Request need to be authorized. Required parameter for authorizing request is missing or invalid.'
-        invalid_redirect_uri: "The requested redirect uri is malformed or doesn't match client redirect URI."
+          missing_param: 'Falta el parámetro requerido: %{value}.'
+          request_not_authorized: 'La solicitud debe ser autorizada. El parámetro requerido para autorizar la solicitud falta o no es válido.'
+        invalid_redirect_uri: "El URI de redirección solicitado tiene un formato incorrecto o no coincide con el URI de redirección del cliente."
         unauthorized_client: 'El cliente no está autorizado a realizar esta petición usando este método.'
         access_denied: 'El propietario de este recurso o servidor de autorización ha denegado la petición.'
         invalid_scope: 'El ámbito solicitado es inválido, desconocido, o está malformado.'
@@ -2932,7 +2934,7 @@ es:
         admin_authenticator_not_configured: 'El acceso al panel de administrador está prohibido debido a la desconfiguración de Doorkeeper.configure.admin_authenticator.'
         #Access grant errors
         unsupported_response_type: 'El servidor de autorización no es compatible con este tipo de respuesta.'
-        unsupported_response_mode: 'The authorization server does not support this response mode.'
+        unsupported_response_mode: 'El servidor de autorización no es compatible con este tipo de respuesta.'
         #Access token errors
         invalid_client: 'La certificación del cliente ha fallado debido a un cliente desconocido, omisión del cliente, o un método de certificación no compatible.'
         invalid_grant: 'El permiso de autorización proporcionado es inválido, ha sido revocado, no concuerda con la redirección URI usada en la petición de autorización, o ha sido otorgada a otro cliente.'
@@ -2942,9 +2944,9 @@ es:
           expired: "El token de acceso ha expirado"
           unknown: "El token de acceso es inválido"
         revoke:
-          unauthorized: "You are not authorized to revoke this token."
+          unauthorized: "No estás autorizado a revocar este bono."
         forbidden_token:
-          missing_scope: 'Access to this resource requires scope "%{oauth_scopes}".'
+          missing_scope: 'El acceso a este recurso requiere competencia "%{oauth_scopes}".'
   unsupported_browser:
     title: "Tu explorador esta desactualizado y no es compatible."
     message: "Podrás experimentar errores y una experiencia de mala calidad en esta página."
diff --git a/config/locales/crowdin/et.yml b/config/locales/crowdin/et.yml
index 1de6285ade..d0210e5642 100644
--- a/config/locales/crowdin/et.yml
+++ b/config/locales/crowdin/et.yml
@@ -471,7 +471,6 @@ et:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Õigused"
       time_entry:
         activity: "Tegevus"
@@ -892,6 +891,7 @@ et:
     version: "Versioon"
     work_package: "Teema"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ et:
   permission_view_timelines: "Kuvada ajakavu"
   permission_view_wiki_edits: "Kuva viki toimetuste ajalugu"
   permission_view_wiki_pages: "Kuva vikit"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/fa.yml b/config/locales/crowdin/fa.yml
index 34752950d0..aaca96e046 100644
--- a/config/locales/crowdin/fa.yml
+++ b/config/locales/crowdin/fa.yml
@@ -471,7 +471,6 @@ fa:
       repository:
         url: "نشانی اینترنت"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Permissions"
       time_entry:
         activity: "فعالیت"
@@ -892,6 +891,7 @@ fa:
     version: "نسخه"
     work_package: "Work package"
   backup:
+    failed: "Backup failed"
     label_backup_token: "پشتیبان گیری توکن"
     label_create_token: "ایجاد پشتیبان گیری توکن"
     label_delete_token: "حذف پشتیبان گیری توکن"
@@ -2200,6 +2200,8 @@ fa:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/fi.yml b/config/locales/crowdin/fi.yml
index 8a40134642..6b6080a790 100644
--- a/config/locales/crowdin/fi.yml
+++ b/config/locales/crowdin/fi.yml
@@ -471,7 +471,6 @@ fi:
       repository:
         url: "URL"
       role:
-        assignable: "Toimia paketti voidaan määrittää käyttäjät ja ryhmät hallussaan tämä rooli kunkin projekti"
         permissions: "Oikeudet"
       time_entry:
         activity: "Tapahtumat"
@@ -892,6 +891,7 @@ fi:
     version: "Versio"
     work_package: "Työpaketti"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ fi:
   permission_view_timelines: "Tarkastele aikajanoja"
   permission_view_wiki_edits: "Näytä wiki historia"
   permission_view_wiki_pages: "Näytä wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Toimia paketti voidaan määrittää käyttäjät ja ryhmät hallussaan tämä rooli kunkin projekti"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/fil.yml b/config/locales/crowdin/fil.yml
index 3805ee3be0..959bf37454 100644
--- a/config/locales/crowdin/fil.yml
+++ b/config/locales/crowdin/fil.yml
@@ -471,7 +471,6 @@ fil:
       repository:
         url: "Ang URL"
       role:
-        assignable: "Ang mga work package ay maaring nakatalaga sa mga gumagamit at grupo sa possesyon ng tungkulin na ito sa nakatalagang proyekto"
         permissions: "Mga pahintulot"
       time_entry:
         activity: "Aktibidad"
@@ -892,6 +891,7 @@ fil:
     version: "Bersyon"
     work_package: "Work package"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ fil:
   permission_view_timelines: "Tingnan ang mga timeline"
   permission_view_wiki_edits: "Tingnan ang mga kasaysayan ng wiki"
   permission_view_wiki_pages: "Tanawin ang wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Ang mga work package ay maaring nakatalaga sa mga gumagamit at grupo sa possesyon ng tungkulin na ito sa nakatalagang proyekto"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/fr.yml b/config/locales/crowdin/fr.yml
index b6e90a45e6..7e4c603ab9 100644
--- a/config/locales/crowdin/fr.yml
+++ b/config/locales/crowdin/fr.yml
@@ -471,7 +471,6 @@ fr:
       repository:
         url: "URL"
       role:
-        assignable: "Des lots de travaux peuvent être assignés à des utilisateurs et des groupes possédant ce rôle dans le projet respectif"
         permissions: "Autorisations"
       time_entry:
         activity: "Activité"
@@ -892,6 +891,7 @@ fr:
     version: "Version"
     work_package: "Lot de travaux"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Jeton de sauvegarde"
     label_create_token: "Créer un jeton de sauvegarde"
     label_delete_token: "Supprimer le jeton de sauvegarde"
@@ -2200,6 +2200,8 @@ fr:
   permission_view_timelines: "Voir les lignes du temps"
   permission_view_wiki_edits: "Voir l'historique du wiki"
   permission_view_wiki_pages: "Voir le wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Des lots de travaux peuvent être assignés à des utilisateurs et des groupes possédant ce rôle dans le projet respectif"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/he.yml b/config/locales/crowdin/he.yml
index bf0d45225b..4e6d1655d9 100644
--- a/config/locales/crowdin/he.yml
+++ b/config/locales/crowdin/he.yml
@@ -473,7 +473,6 @@ he:
       repository:
         url: "כתובת URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Permissions"
       time_entry:
         activity: "פעילות"
@@ -902,6 +901,7 @@ he:
     version: "גירסה"
     work_package: "חבילת עבודה"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2238,6 +2238,8 @@ he:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/hi.yml b/config/locales/crowdin/hi.yml
index 77a508f503..3ed879127f 100644
--- a/config/locales/crowdin/hi.yml
+++ b/config/locales/crowdin/hi.yml
@@ -469,7 +469,6 @@ hi:
       repository:
         url: "यू आर एल"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "अनुमतियाँ"
       time_entry:
         activity: "गतिविधी"
@@ -890,6 +889,7 @@ hi:
     version: "संस्करण"
     work_package: "कार्य पैकेज"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2198,6 +2198,8 @@ hi:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/hr.yml b/config/locales/crowdin/hr.yml
index 67a7484991..09b9f56b47 100644
--- a/config/locales/crowdin/hr.yml
+++ b/config/locales/crowdin/hr.yml
@@ -472,7 +472,6 @@ hr:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Dozvole"
       time_entry:
         activity: "Aktivnost"
@@ -897,6 +896,7 @@ hr:
     version: "Verzija"
     work_package: "Radni paket"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2219,6 +2219,8 @@ hr:
   permission_view_timelines: "Prikaži kronologiju"
   permission_view_wiki_edits: "Pogledaj povijest wiki stranice"
   permission_view_wiki_pages: "Prikaži wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/hu.yml b/config/locales/crowdin/hu.yml
index a347459941..76b60f4a88 100644
--- a/config/locales/crowdin/hu.yml
+++ b/config/locales/crowdin/hu.yml
@@ -472,7 +472,6 @@ hu:
       repository:
         url: "URL"
       role:
-        assignable: "Munkacsomagok hozzárendelhetők a szerephez tartozó felhasználókhoz és csoportokhoz az adott projektben"
         permissions: "Jogosultságok"
       time_entry:
         activity: "Tevékenység"
@@ -893,6 +892,7 @@ hu:
     version: "Verzió"
     work_package: "Feladatcsoport"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Visszaállítási kulcs"
     label_create_token: "Visszaállítási kulcs létrehozása"
     label_delete_token: "Visszaállítási kulcs törlése"
@@ -2204,6 +2204,8 @@ hu:
   permission_view_timelines: "Az idővonalak megtekintése"
   permission_view_wiki_edits: "Wiki-előzmények megtekintése"
   permission_view_wiki_pages: "Wiki megtekintése"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Munkacsomagok hozzárendelhetők a szerephez tartozó felhasználókhoz és csoportokhoz az adott projektben"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/id.yml b/config/locales/crowdin/id.yml
index c4f79b8055..f1142dbb41 100644
--- a/config/locales/crowdin/id.yml
+++ b/config/locales/crowdin/id.yml
@@ -467,7 +467,6 @@ id:
       repository:
         url: "URL"
       role:
-        assignable: "Paket kerja dapat ditetapkan untuk pengguna-pengguna tunggal dan kelompok-kelompok yang memiliki peran dalam proyek masing-masing"
         permissions: "Hak akses"
       time_entry:
         activity: "Activity"
@@ -884,6 +883,7 @@ id:
     version: "Versi"
     work_package: "Paket-Penugasan"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2178,6 +2178,8 @@ id:
   permission_view_timelines: "Lihat Timeline"
   permission_view_wiki_edits: "Lihat Wiki histori"
   permission_view_wiki_pages: "Lihat Wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Paket kerja dapat ditetapkan untuk pengguna-pengguna tunggal dan kelompok-kelompok yang memiliki peran dalam proyek masing-masing"
   placeholders:
     default: "Hapus nilai"
   project:
diff --git a/config/locales/crowdin/it.yml b/config/locales/crowdin/it.yml
index 998bcb062d..be20441c10 100644
--- a/config/locales/crowdin/it.yml
+++ b/config/locales/crowdin/it.yml
@@ -468,7 +468,6 @@ it:
       repository:
         url: "URL"
       role:
-        assignable: "È possibile assegnare macro-attività ad utenti e gruppi che hanno questo ruolo nel rispettivo progetto"
         permissions: "Permessi"
       time_entry:
         activity: "Attività"
@@ -889,6 +888,7 @@ it:
     version: "Versione"
     work_package: "Macro-attività"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Token di backup"
     label_create_token: "Crea token di backup"
     label_delete_token: "Elimina token di backup"
@@ -2197,6 +2197,8 @@ it:
   permission_view_timelines: "Visualizza le cronologie"
   permission_view_wiki_edits: "Visualizza il registro della wiki"
   permission_view_wiki_pages: "Visualizza la wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "È possibile assegnare macro-attività ad utenti e gruppi che hanno questo ruolo nel rispettivo progetto"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/ja.yml b/config/locales/crowdin/ja.yml
index dd3e9daf78..430d8fb179 100644
--- a/config/locales/crowdin/ja.yml
+++ b/config/locales/crowdin/ja.yml
@@ -466,7 +466,6 @@ ja:
       repository:
         url: "URL"
       role:
-        assignable: "それぞれのプロジェクトで、ワークパッケージはこの役割をもつユーザーおよびグループに割り当てることができます。"
         permissions: "権限"
       time_entry:
         activity: "活動"
@@ -883,6 +882,7 @@ ja:
     version: "バージョン"
     work_package: "ワーク パッケージ"
   backup:
+    failed: "Backup failed"
     label_backup_token: "バックアップトークン"
     label_create_token: "バックアップトークンを作成する"
     label_delete_token: "バックアップトークンを削除する"
@@ -2177,6 +2177,8 @@ ja:
   permission_view_timelines: "タイムラインの閲覧"
   permission_view_wiki_edits: "Wiki履歴の閲覧"
   permission_view_wiki_pages: "Wikiの閲覧"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "それぞれのプロジェクトで、ワークパッケージはこの役割をもつユーザーおよびグループに割り当てることができます。"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/js-af.yml b/config/locales/crowdin/js-af.yml
index 988047a9dc..01aa311563 100644
--- a/config/locales/crowdin/js-af.yml
+++ b/config/locales/crowdin/js-af.yml
@@ -24,6 +24,7 @@ af:
     ajax:
       hide: "Versteek"
       loading: "Loading ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ af:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Kolomme"
-    label_attachments: Lêers
+    label_attachments: Aanhegsels
     label_drop_files: Drop files here
     label_drop_files_hint: or click to add files
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ af:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ af:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ af:
         activity: Aktiwiteit
         relations: Relations
         watchers: Dophouers
-        attachments: Aanhegsels
+        files: Lêers
       time_relative:
         days: "dae"
         weeks: "weeks"
@@ -1171,3 +1178,8 @@ af:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/locales/crowdin/js-ar.yml b/config/locales/crowdin/js-ar.yml
index f9f23f8798..7105e30e9e 100644
--- a/config/locales/crowdin/js-ar.yml
+++ b/config/locales/crowdin/js-ar.yml
@@ -24,6 +24,7 @@ ar:
     ajax:
       hide: "إخفاء"
       loading: "جاري التحميل ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ ar:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "الأعمدة"
-    label_attachments: الملفّات
+    label_attachments: المرفقات
     label_drop_files: إسقاط الملفات هنا
     label_drop_files_hint: أو اضغط لإضافة ملفات
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ ar:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ ar:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -992,7 +999,7 @@ ar:
         activity: النشاط
         relations: صِلات
         watchers: المشاهدون
-        attachments: المرفقات
+        files: الملفّات
       time_relative:
         days: "أيام"
         weeks: "أسابيع"
@@ -1183,3 +1190,8 @@ ar:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'الإعدادات المتقدمة'
+    spot:
+      filter_chip:
+        remove: 'إزالة'
+      drop_modal:
+        Close: 'أغلِق'
diff --git a/config/locales/crowdin/js-az.yml b/config/locales/crowdin/js-az.yml
index 2acf166def..4bdff9d163 100644
--- a/config/locales/crowdin/js-az.yml
+++ b/config/locales/crowdin/js-az.yml
@@ -24,6 +24,7 @@ az:
     ajax:
       hide: "Hide"
       loading: "Yüklənir ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ az:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Columns"
-    label_attachments: Files
+    label_attachments: Attachments
     label_drop_files: Drop files here
     label_drop_files_hint: or click to add files
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ az:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ az:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ az:
         activity: Activity
         relations: Relations
         watchers: Watchers
-        attachments: Attachments
+        files: Files
       time_relative:
         days: "days"
         weeks: "weeks"
@@ -1171,3 +1178,8 @@ az:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/locales/crowdin/js-bg.yml b/config/locales/crowdin/js-bg.yml
index c13e72b87c..7065958e23 100644
--- a/config/locales/crowdin/js-bg.yml
+++ b/config/locales/crowdin/js-bg.yml
@@ -24,6 +24,7 @@ bg:
     ajax:
       hide: "Скрий"
       loading: "Зареждане ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ bg:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Колони"
-    label_attachments: Файлове
+    label_attachments: Прикачени файлове
     label_drop_files: Пуснете файлове тук
     label_drop_files_hint: или щракнете, за да добавите файлове
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ bg:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ bg:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ bg:
         activity: Активност
         relations: Връзки с
         watchers: Наблюдатели
-        attachments: Прикачени файлове
+        files: Файлове
       time_relative:
         days: "дни"
         weeks: "седмици"
@@ -1171,3 +1178,8 @@ bg:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Разширени настройки'
+    spot:
+      filter_chip:
+        remove: 'Премахване'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/locales/crowdin/js-ca.yml b/config/locales/crowdin/js-ca.yml
index 12b38b7ac9..4e6c5eed40 100644
--- a/config/locales/crowdin/js-ca.yml
+++ b/config/locales/crowdin/js-ca.yml
@@ -24,6 +24,7 @@ ca:
     ajax:
       hide: "Amagar"
       loading: "Carregant ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Arrossega al editor per a pujar una imatge o referenciar un adjunt. Els camps tancats del editor seguiran oberts mentre se segueixi arrossegant.
@@ -453,9 +454,8 @@ ca:
     label_starred_queries: "Vistes preferides"
     label_global_queries: "Vistes públiques"
     label_custom_queries: "Vistes privades"
-    label_create_new_query: "Crear nou"
     label_columns: "Columnes"
-    label_attachments: Arxius
+    label_attachments: Fitxers adjunts
     label_drop_files: Arrossegueu els fitxers aquí
     label_drop_files_hint: o feu clic per afegir arxius
     label_drop_folders_hint: No podeu pujar carpetes com a adjunt. Si us plau, seleccioneu arxius únics.
@@ -499,7 +499,8 @@ ca:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ ca:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notificacions"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ ca:
         activity: Activitat
         relations: Relacions
         watchers: Observadors
-        attachments: Fitxers adjunts
+        files: Arxius
       time_relative:
         days: "dies"
         weeks: "setmanes"
@@ -1171,3 +1178,8 @@ ca:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Configuració avançada'
+    spot:
+      filter_chip:
+        remove: 'Suprimir'
+      drop_modal:
+        Close: 'Tanca'
diff --git a/config/locales/crowdin/js-cs.yml b/config/locales/crowdin/js-cs.yml
index 6554b489ab..5abab78309 100644
--- a/config/locales/crowdin/js-cs.yml
+++ b/config/locales/crowdin/js-cs.yml
@@ -24,6 +24,7 @@ cs:
     ajax:
       hide: "Skrýt"
       loading: "Načítání ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Přetáhněte pole editoru na vložený obrázek nebo referenční přílohu. Uzavřená pole editoru budou otevřena během pokračujícího přetahování.
@@ -454,9 +455,8 @@ cs:
     label_starred_queries: "Oblíbená zobrazení"
     label_global_queries: "Veřejné zobrazení"
     label_custom_queries: "Soukromé zobrazení"
-    label_create_new_query: "Vytvořit nový"
     label_columns: "Sloupce"
-    label_attachments: Soubory
+    label_attachments: Přílohy
     label_drop_files: Sem přetáhněte soubory
     label_drop_files_hint: nebo klikněte pro přidání souborů
     label_drop_folders_hint: Není možné použít složku jako přílohu. Prosím vyberte jednotlivé soubory.
@@ -500,7 +500,8 @@ cs:
           task_board: "Pracovní panel vizualizuje postup <b>pro tento sprint</b>. Kliknutím na ikonu plus (+) vedle uživatelského příběhu přidáte nové úkoly nebo překážky. <br> Stav lze aktualizovat přetažením."
         boards:
           overview: 'Vyberte <b>tabule</b> pro posun zobrazení a správu vašeho projektu pomocí agilního zobrazení desek.'
-          lists: 'Zde si můžete vytvořit více seznamů (sloupce) ve vaší tabuli. Tato funkce vám umožní například vytvořit <b>Kanban desku</b>.'
+          lists_kanban: 'Zde si můžete vytvořit více seznamů (sloupce) ve vaší tabuli. Tato funkce vám umožní například vytvořit <b>Kanban desku</b>.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Klikněte na ikonu plus (+) pro <b>vytvoření nové karty</b> nebo <b>přidejte existující kartu</b> do seznamu na tabuli.'
           drag: 'Přetažením karet v daném seznamu je změníte, nebo je přesuňte do jiného seznamu. <br> Můžete kliknout na info (i) ikonu v pravém horním rohu nebo dvakrát kliknout na kartu pro otevření podrobností.'
         wp:
@@ -511,6 +512,12 @@ cs:
           create_button: 'Tlačítko <b>Vytvořit</b> přidá do vašeho projektu nový pracovní balíček.'
           timeline_button: 'Můžete aktivovat <b>Gantt graf</b> pro vytvoření časové osy pro váš projekt.'
           timeline: 'Zde můžete upravit váš projektový plán. Vytvářet nové fáze, milníky a přidat závislosti. Všichni členové týmu mohou kdykoliv zobrazit a aktualizovat aktuální plán.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Oznámení"
       no_unread: "Žádná nepřečtená oznámení"
@@ -991,7 +998,7 @@ cs:
         activity: Aktivita
         relations: Vztahy
         watchers: Sledující
-        attachments: Přílohy
+        files: Soubory
       time_relative:
         days: "dnů"
         weeks: "týdny"
@@ -1170,7 +1177,7 @@ cs:
       clear_selection: 'Clear selection'
       apply: 'Použít'
       selected_filter:
-        all: 'All projects'
+        all: 'Všechny projekty'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1178,3 +1185,8 @@ cs:
       load_error_message: 'Při načítání formuláře došlo k chybě'
       validation_error_message: 'Opravte prosím chyby ve formuláři'
       advanced_settings: 'Pokročilá nastavení'
+    spot:
+      filter_chip:
+        remove: 'Odstranit'
+      drop_modal:
+        Close: 'Zavřít'
diff --git a/config/locales/crowdin/js-da.yml b/config/locales/crowdin/js-da.yml
index a66d190072..471ead041e 100644
--- a/config/locales/crowdin/js-da.yml
+++ b/config/locales/crowdin/js-da.yml
@@ -24,6 +24,7 @@ da:
     ajax:
       hide: "Gem"
       loading: "Henter..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Træk på redigeringsfelt for at indsætte billede eller referencevedhæftning. Lukkede redigeringsfelter åbnes, mens du fortsætter med at trække.
@@ -452,9 +453,8 @@ da:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Kolonner"
-    label_attachments: Filer
+    label_attachments: Vedhæftninger
     label_drop_files: Slip filer hér
     label_drop_files_hint: eller klik for at tilføje filer
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -498,7 +498,8 @@ da:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -509,6 +510,12 @@ da:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -987,7 +994,7 @@ da:
         activity: Aktivivtet
         relations: Tilknytninger
         watchers: Tilsynsførende
-        attachments: Vedhæftninger
+        files: Filer
       time_relative:
         days: "dage"
         weeks: "uger"
@@ -1170,3 +1177,8 @@ da:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Avancerede indstillinger'
+    spot:
+      filter_chip:
+        remove: 'Fjern'
+      drop_modal:
+        Close: 'Luk'
diff --git a/config/locales/crowdin/js-de.yml b/config/locales/crowdin/js-de.yml
index 4f9ace7998..71cf2e5922 100644
--- a/config/locales/crowdin/js-de.yml
+++ b/config/locales/crowdin/js-de.yml
@@ -24,6 +24,7 @@ de:
     ajax:
       hide: "Verbergen"
       loading: "Lädt ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Ziehen Sie diesen Anhang auf ein editierbares Feld um das Bild oder den Anhang einzubinden. Geöffnete Felder werden automatisch geöffnet während Sie das Attachment mit der Maus ziehen und halten.
@@ -452,9 +453,8 @@ de:
     label_starred_queries: "Favoriten"
     label_global_queries: "Öffentliche Ansichten"
     label_custom_queries: "Private Ansichten"
-    label_create_new_query: "Neu erstellen"
     label_columns: "Spalten"
-    label_attachments: Dateien
+    label_attachments: Anhänge
     label_drop_files: Dateien hier ablegen
     label_drop_files_hint: oder klicken Sie um Dateien hinzuzufügen
     label_drop_folders_hint: Ordner können nicht als Anhänge hinzugefügt werden. Bitte wählen Sie einzelne Dateien aus.
@@ -498,7 +498,8 @@ de:
           task_board: "Das Aufgabenfeld visualisiert den <b>Fortschritt für diesen Sprint</b>. Klicken Sie auf das Plus (+) Symbol neben einer User Story, um neue Aufgaben oder Hindernisse hinzuzufügen. <br> Der Status kann per Drag & Drop aktualisiert werden."
         boards:
           overview: 'Wählen Sie <b>Boards</b> aus, um eine andere Sicht auf Ihr Projekt zu erhalten und es in der agilen Board-Ansicht zu verwalten.'
-          lists: 'Hier können Sie mehrere Listen (Spalten) innerhalb Ihres Boards erstellen. Mit dieser Funktion können Sie zum Beispiel ein <b>Kanban Board</b>erstellen.'
+          lists_kanban: 'Hier können Sie mehrere Listen (Spalten) innerhalb Ihres Boards erstellen. Mit dieser Funktion können Sie zum Beispiel ein <b>Kanban Board</b>erstellen.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Klicken Sie auf das Plus-Symbol (+), um <b>eine neue Karte zu erstellen</b> oder <b>eine existierende Karte</b> zur Liste auf dem Board hinzuzufügen.'
           drag: 'Verschieben Sie die Karten innerhalb einer Liste, um sie neu zu ordnen oder in eine andere Liste zu verschieben. <br> Sie können das Info (i) Symbol in der oberen rechten Ecke anklicken oder doppelt auf eine Karte klicken, um dessen Details zu öffnen.'
         wp:
@@ -509,6 +510,12 @@ de:
           create_button: 'Mit dem <b>+ Anlegen</b> Knopf erstellen Sie weitere Arbeitspakete für Ihr Projekt.'
           timeline_button: 'Sie können ein <b>Gantt Diagramm</b> aktivieren um Projektpläne zu erstellen.'
           timeline: 'Hier sehen Sie den Projektplan. Sie können neue Phasen oder Meilensteine sowie Abhängigkeiten hinzufügen und bearbeiten. Das Team sieht jeder Zeit die aktuelle Planung und kann diese bei Bedarf aktualisieren.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Benachrichtigungen"
       no_unread: "Keine ungelesenen Benachrichtigungen"
@@ -987,7 +994,7 @@ de:
         activity: Aktivität
         relations: Beziehungen
         watchers: Beobachter
-        attachments: Anhänge
+        files: Dateien
       time_relative:
         days: "Tagen"
         weeks: "Wochen"
@@ -1162,7 +1169,7 @@ de:
       clear_selection: 'Clear selection'
       apply: 'Anwenden'
       selected_filter:
-        all: 'All projects'
+        all: 'Alle Projekte'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1170,3 +1177,8 @@ de:
       load_error_message: 'Beim Laden des Formulars ist ein Fehler aufgetreten'
       validation_error_message: 'Bitte die Fehler im Formular beheben'
       advanced_settings: 'Erweiterte Einstellungen'
+    spot:
+      filter_chip:
+        remove: 'Entfernen'
+      drop_modal:
+        Close: 'Schließen'
diff --git a/config/locales/crowdin/js-el.yml b/config/locales/crowdin/js-el.yml
index ae318bbde7..8fb008e428 100644
--- a/config/locales/crowdin/js-el.yml
+++ b/config/locales/crowdin/js-el.yml
@@ -24,6 +24,7 @@ el:
     ajax:
       hide: "Απόκρυψη"
       loading: "Φόρτωση ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Σύρετε στο πεδίο επεξεργαστή για να ευθυγραμμίσετε συνημμένα εικόνας ή αναφοράς. Τα κλειστά πεδία επεξεργαστή θα ανοίξουν όσο συνεχίζετε να σέρνετε.
@@ -452,9 +453,8 @@ el:
     label_starred_queries: "Αγαπημένες προβολές"
     label_global_queries: "Δημόσιες προβολές"
     label_custom_queries: "Ιδιωτικές προβολές"
-    label_create_new_query: "Δημιουργία νέου"
     label_columns: "Στήλες"
-    label_attachments: Αρχεία
+    label_attachments: Συνημμένα
     label_drop_files: Σύρετε αρχεία εδώ
     label_drop_files_hint: ή κάντε κλικ για να προσθέσετε αρχεία
     label_drop_folders_hint: Δεν μπορείτε να μεταφορτώσετε φακέλους ως συνημμένο. Παρακαλώ επιλέξτε μεμονωμένα αρχεία.
@@ -498,7 +498,8 @@ el:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -509,6 +510,12 @@ el:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -987,7 +994,7 @@ el:
         activity: Δραστηριότητα
         relations: Συσχετίσεις
         watchers: Παρατηρητές
-        attachments: Συνημμένα
+        files: Αρχεία
       time_relative:
         days: "ημέρες"
         weeks: "εβδομάδες"
@@ -1162,7 +1169,7 @@ el:
       clear_selection: 'Clear selection'
       apply: 'Εφαρμογή'
       selected_filter:
-        all: 'All projects'
+        all: 'Όλα τα έργα'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1170,3 +1177,8 @@ el:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Προηγμένες ρυθμίσεις'
+    spot:
+      filter_chip:
+        remove: 'Αφαίρεση'
+      drop_modal:
+        Close: 'Κλείσιμο'
diff --git a/config/locales/crowdin/js-eo.yml b/config/locales/crowdin/js-eo.yml
index 3688f49ec3..4eed1ce88f 100644
--- a/config/locales/crowdin/js-eo.yml
+++ b/config/locales/crowdin/js-eo.yml
@@ -24,6 +24,7 @@ eo:
     ajax:
       hide: "Kaŝi"
       loading: "Ŝarĝanta..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ eo:
     label_starred_queries: "Preferataj vidoj"
     label_global_queries: "Publikaj vidoj"
     label_custom_queries: "Privataj vidoj"
-    label_create_new_query: "Krei novan"
     label_columns: "Kolumnoj"
-    label_attachments: Dosieroj
+    label_attachments: Aldonaĵoj
     label_drop_files: Drop files here
     label_drop_files_hint: aŭ klaku por aldoni dosierojn
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ eo:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ eo:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ eo:
         activity: Aktiveco
         relations: Rilatoj
         watchers: Atentantoj
-        attachments: Aldonaĵoj
+        files: Dosieroj
       time_relative:
         days: "tagoj"
         weeks: "weeks"
@@ -1069,7 +1076,7 @@ eo:
         one: "laborpakaĵo"
         other: "laborpakaĵoj"
       child_work_packages:
-        one: "one child work package"
+        one: "unu laborpakaĵa filo"
         other: "%{count} work package children"
       hour:
         one: "1 h"
@@ -1171,3 +1178,8 @@ eo:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Altnivelaj agordoj'
+    spot:
+      filter_chip:
+        remove: 'Forigi'
+      drop_modal:
+        Close: 'Fermi'
diff --git a/config/locales/crowdin/js-es.yml b/config/locales/crowdin/js-es.yml
index 437b67ce78..5980ae4f14 100644
--- a/config/locales/crowdin/js-es.yml
+++ b/config/locales/crowdin/js-es.yml
@@ -22,1151 +22,1164 @@
 es:
   js:
     ajax:
-      hide: ""
-      loading: ""
+      hide: "Ocultar"
+      loading: "Cargando ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
-
+        Arrastre el campo del editor a una imagen alineada o un adjunto de referencia. Los campos del editor cerrados se abrirán mientras siga arrastrando elementos.
     autocomplete_select:
       placeholder:
-        multi: ""
-        single: ""
-      remove: ""
-      active: ""
+        multi: "Añadir \"%{name}\""
+        single: "Seleccione \"%{name}\""
+      remove: "Elimine \"%{name}\""
+      active: "Activo %{label} %{name}"
     backup:
-      attachments_disabled:
+      attachments_disabled: No se pueden adjuntar los archivos, ya que el tamaño total supera el máximo permitido. Puede cambiar este valor en la configuración (es necesario reiniciar el servidor).
       info: >
-
+        Aquí puede activar una copia de seguridad. Este proceso puede tardar algún tiempo en completarse, según la cantidad de datos que tenga (sobre todo, archivos adjuntos). Recibirá un correo electrónico cuando se complete.
       note: >
-
-      last_backup:
-      last_backup_from:
-      title:
-      options:
-      include_attachments:
-      download_backup:
-      request_backup:
-    close_popup_title: ""
-    close_filter_title: ""
-    close_form_title: ""
-    button_add_watcher: ""
-    button_add: ""
-    button_back: ""
-    button_back_to_list_view: ""
-    button_cancel: ""
-    button_close: ""
-    button_change_project: ""
-    button_check_all: ""
-    button_configure-form: ""
-    button_confirm: ""
-    button_continue: ""
-    button_copy: ""
-    button_copy_to_other_project: ""
-    button_custom-fields: ""
-    button_delete: ""
-    button_delete_watcher: ""
-    button_details_view: ""
-    button_duplicate: ""
-    button_edit: ""
-    button_filter: ""
-    button_collapse_all: ""
-    button_expand_all: ""
-    button_advanced_filter: ""
-    button_list_view: ""
-    button_show_view: ""
-    button_log_time: ""
-    button_more: ""
-    button_open_details: ""
-    button_close_details: ""
-    button_open_fullscreen: ""
-    button_show_cards: ""
-    button_show_list: ""
-    button_quote: ""
-    button_save: ""
-    button_settings: ""
-    button_uncheck_all: ""
-    button_update: ""
-    button_export-pdf: ""
-    button_export-atom: ""
-    button_create: ""
+        Las nuevas copias de seguridad reemplazarán a las anteriores. Solo puede solicitarse un número limitado de copias de seguridad al día.
+      last_backup: Última copia de seguridad
+      last_backup_from: Última copia de seguridad de
+      title: Copia de seguridad de OpenProject
+      options: Opciones
+      include_attachments: Incluir archivos adjuntos
+      download_backup: Descargar copia de seguridad
+      request_backup: Solicitar copia de seguridad
+    close_popup_title: "Cerrar ventana emergente"
+    close_filter_title: "Cerrar filtro"
+    close_form_title: "Cerrar formulario"
+    button_add_watcher: "Añadir observador"
+    button_add: "Añadir"
+    button_back: "Atrás"
+    button_back_to_list_view: "Volver a la lista"
+    button_cancel: "Cancelar"
+    button_close: "Cerrar"
+    button_change_project: "Cambiar proyecto"
+    button_check_all: "Seleccionar Todos"
+    button_configure-form: "Configurar formulario"
+    button_confirm: "Confirmar"
+    button_continue: "Continuar"
+    button_copy: "Copiar"
+    button_copy_to_other_project: "Copy to other project"
+    button_custom-fields: "Campos Personalizados"
+    button_delete: "Borrar"
+    button_delete_watcher: "Eliminar los observadores"
+    button_details_view: "Vista detallada"
+    button_duplicate: "Duplicar"
+    button_edit: "Editar"
+    button_filter: "Filtro"
+    button_collapse_all: "Colapsar todo"
+    button_expand_all: "Expandir todos"
+    button_advanced_filter: "Filtro avanzado"
+    button_list_view: "Vista de lista"
+    button_show_view: "Pantalla completa"
+    button_log_time: "Registro de tiempo"
+    button_more: "Más"
+    button_open_details: "Abrir vista detallada"
+    button_close_details: "Cerrar vista detallada"
+    button_open_fullscreen: "Abrir vista de pantalla completa"
+    button_show_cards: "Mostrar vista de tarjeta"
+    button_show_list: "Mostrar vista de lista"
+    button_quote: "presupuesto"
+    button_save: "Guardar"
+    button_settings: "Configuración"
+    button_uncheck_all: "Deseleccionar todos"
+    button_update: "Actualizar"
+    button_export-pdf: "Descargar PDF"
+    button_export-atom: "Descargar Atom"
+    button_create: "Crear"
     card:
-      add_new: ''
+      add_new: 'Añadir nueva tarjeta'
       highlighting:
-        inline: ''
-        entire_card_by: ''
-      remove_from_list: ''
-    caption_rate_history: ""
+        inline: 'Resaltar en línea:'
+        entire_card_by: 'Tarjeta entera por'
+      remove_from_list: 'Eliminar tarjeta de la lista'
+    caption_rate_history: "Historial de tasa"
     clipboard:
-      browser_error: ""
-      copied_successful: ""
+      browser_error: "Su navegador no soporta copiar al portapapeles. Por favor, copie el texto seleccionado manualmente."
+      copied_successful: "Copiado correctamente en el Portapapeles"
     chart:
-      type: ''
-      axis_criteria: ''
-      modal_title: ''
+      type: 'Tipo de gráfico'
+      axis_criteria: 'Criterios del eje'
+      modal_title: 'Configuración del gráfico del paquete de trabajo'
       types:
-        line: ''
-        horizontal_bar: ''
-        bar: ''
-        pie: ''
-        doughnut: ''
-        radar: ''
-        polar_area: ''
+        line: 'Línea'
+        horizontal_bar: 'Barra horizontal'
+        bar: 'Barra'
+        pie: 'Gráfico Circular'
+        doughnut: 'Rosquilla'
+        radar: 'Radar'
+        polar_area: 'Área polar'
       tabs:
-        graph_settings: ''
-        dataset: ''
+        graph_settings: 'General'
+        dataset: 'Conjunto de datos %{number}'
       errors:
-        could_not_load: ''
-    description_available_columns: ""
-    description_current_position: ""
-    description_select_work_package: ""
-    description_selected_columns: ""
-    description_subwork_package: ""
+        could_not_load: 'No se pueden cargar los datos necesarios para mostrar el gráfico. Puede que falten los permisos necesarios.'
+    description_available_columns: "Columnas disponibles"
+    description_current_position: "Usted está aquí: "
+    description_select_work_package: "Seleccione el paquete de trabajo #%{id}"
+    description_selected_columns: "Columnas seleccionadas"
+    description_subwork_package: "Seleccione el paquete de trabajo #%{id}"
     editor:
-      preview: ''
-      source_code: ''
-      error_saving_failed: ''
-      ckeditor_error: ''
+      preview: 'Cambiar modo de vista previa'
+      source_code: 'Alternar modo de visualización de Markdown'
+      error_saving_failed: 'No se pudo guardar el documento debido al siguiente error: %{error}'
+      ckeditor_error: 'Se ha producido un error dentro de CKEditor'
       mode:
-        manual: ''
-        wysiwyg: ''
+        manual: 'Cambiar a la fuente Markdown'
+        wysiwyg: 'Cambiar a editor WYSIWYG'
       macro:
-        error: ''
+        error: 'No se puede expandir la macro: %{message}'
         attribute_reference:
-          macro_help_tooltip: ''
-          not_found: ''
-          invalid_attribute: ""
+          macro_help_tooltip: 'Este segmento de texto está siendo renderizado dinámicamente por una macro.'
+          not_found: 'No se encuentra el recurso solicitado'
+          invalid_attribute: "El atributo seleccionado («%{name}») no existe."
         child_pages:
-          button: ''
-          include_parent: ''
-          text: ''
-          page: ''
-          this_page: ''
+          button: 'Vínculos a páginas secundarias'
+          include_parent: 'Incluir principal'
+          text: '[Placeholder] Vínculos a páginas secundarias de'
+          page: 'Página wiki'
+          this_page: 'esta página'
           hint: |
-
+            Deje este campo en blanco para mostrar todas las páginas secundarias de la página actual. Para hacer referencia a otra página, especifique el título o slug.
         code_block:
-          button: ''
-          title: ''
-          language: ''
-          language_hint: ''
+          button: 'Insertar fragmento de código'
+          title: 'Insertar o editar fragmento de código'
+          language: 'Lenguaje de formato'
+          language_hint: 'Especifique el lenguaje de formato que se usará para resaltar (si se admite).'
         dropdown:
-          macros: ''
-          chose_macro: ''
-        toc: ''
-        toolbar_help: ''
+          macros: 'Macros'
+          chose_macro: 'Seleccionar macro'
+        toc: 'Índice'
+        toolbar_help: 'Haga clic para seleccionar un widget y mostrar la barra de herramientas. Haga doble clic para editar un widget'
         wiki_page_include:
-          button: ''
-          text: ''
-          page: ''
-          not_set: ''
+          button: 'Incluir contenido de otra página wiki'
+          text: '[Placeholder] Se incluyó la página wiki de'
+          page: 'Página wiki'
+          not_set: '(Página no establecida aún)'
           hint: |
-
+            Para incluir el contenido de otra página wiki, especifique el título o slug.
+            Para incluir la página wiki de otro proyecto, sepárelas con un signo de dos puntos, como en el ejemplo siguiente.
         work_package_button:
-          button: ''
-          type: ''
-          button_style: ''
-          button_style_hint: ''
-          without_type: ''
-          with_type: ''
+          button: 'Insertar botón para crear paquete de trabajo'
+          type: 'Tipo de paquete de trabajo'
+          button_style: 'Usar estilo de botón'
+          button_style_hint: 'Opcional: active esta opción para que la macro se muestre como un botón, en lugar de mostrarse como un vínculo.'
+          without_type: 'Crear paquete de trabajo'
+          with_type: 'Crear paquete de trabajo (escriba lo siguiente: %{typename})'
         embedded_table:
-          button: ''
-          text: ''
+          button: 'Insertar tabla de paquetes de trabajo'
+          text: '[Placeholder] Tabla de paquetes de trabajo insertada'
         embedded_calendar:
-          text: ''
+          text: '[Placeholder] Calendario insertado'
     admin:
       type_form:
-        custom_field: ''
-        inactive: ''
-        drag_to_activate: ""
-        add_group: ""
-        add_table: ""
-        edit_query: ''
-        new_group: ''
-        reset_to_defaults: ''
+        custom_field: 'Campo personalizado'
+        inactive: 'Inactivo'
+        drag_to_activate: "Arrastre campos desde aquí para activarlos"
+        add_group: "Agregar grupo de atributos"
+        add_table: "Agregar tabla de paquetes de trabajo relacionados"
+        edit_query: 'Editar consulta'
+        new_group: 'Nuevo grupo'
+        reset_to_defaults: 'Restablecer valores predeterminados'
       enterprise:
-        text_reprieve_days_left: ""
-        text_expired: ""
+        text_reprieve_days_left: "%{days} días hasta el fin del período de gracia"
+        text_expired: "caducado"
         trial:
-          confirmation: ""
+          confirmation: "Confirmación de dirección de correo electrónico"
           confirmation_info: >
-
+            Le hemos enviado un correo electrónico a %{email} el %{date}. Por favor, compruebe su bandeja de entrada y haga clic en el enlace de confirmación que le hemos enviado para comenzar con su prueba gratuita de 14 días.
           form:
             general_consent: >
-
-            invalid_email: ""
-            label_company: ""
-            label_first_name: ""
-            label_last_name: ""
-            label_domain: ""
-            label_subscriber: ""
-            label_maximum_users: ""
-            label_starts_at: ""
-            label_expires_at: ""
-            receive_newsletter:
-            taken_domain:
-            taken_email:
-          email_not_received: ""
-          try_another_email: ""
-          next_steps: ""
-          resend_link: ""
-          resend_success: ""
-          resend_warning: ""
-          session_timeout: ""
-          status_label: ""
-          status_confirmed: ""
-          status_waiting: ""
-          test_ee: ""
-          quick_overview: ""
+              Estoy de acuerdo con los <a target="_blank" href="%{link_terms}">Términos del servicio</a> y la <a target="_blank" href="%{link_privacy}">Política de privacidad</a>.
+            invalid_email: "Dirección de correo electrónico no válida"
+            label_company: "Empresa"
+            label_first_name: "Nombre"
+            label_last_name: "Apellido"
+            label_domain: "Dominio"
+            label_subscriber: "Suscriptor"
+            label_maximum_users: "Máximo de usuarios activos"
+            label_starts_at: "Empieza el"
+            label_expires_at: "Caduca el"
+            receive_newsletter: Quiero recibir el <a target="_blank" href="%{link}">boletín</a> de OpenProject.
+            taken_domain: Solo puede existir una prueba activa por dominio.
+            taken_email: Cada usuario solo puede crear una prueba.
+          email_not_received: "¿No ha recibido el correo electrónico? Para volver a enviarlo, use el enlace de la derecha."
+          try_another_email: "O bien pruebe con otra dirección."
+          next_steps: "Pasos siguientes"
+          resend_link: "Reenviar"
+          resend_success: "Hemos vuelto a enviarle el mensaje. Consulte su correo electrónico y haga clic en el enlace de confirmación proporcionado."
+          resend_warning: "No pudimos volver a enviar el correo electrónico."
+          session_timeout: "Se agotó el tiempo de espera de la sesión. Pruebe a recargar la página o vuelva a enviar el correo electrónico."
+          status_label: "Estado:"
+          status_confirmed: "confirmado"
+          status_waiting: "correo electrónico enviado: esperando confirmación"
+          test_ee: "Pruebe Enterprise Edition de forma gratuita durante 14 días"
+          quick_overview: "Obtenga un resumen rápido sobre la gestión de proyectos y la colaboración en equipo con OpenProject Enterprise Edition."
         upsale:
-          become_hero: ""
+          become_hero: "¡Conviértete en héroe!"
           benefits:
-            description: ""
-            high_security: ""
-            high_security_text: ""
-            installation: ""
-            installation_text: ""
-            premium_features: ""
-            premium_features_text: ""
-            professional_support: ""
-            professional_support_text: ""
-          button_start_trial: ""
-          button_book_now: ""
+            description: "¿Cuáles son las ventajas de Enterprise on-premises Edition?"
+            high_security: "Características de seguridad"
+            high_security_text: "Inicio de sesión único (SAML, OpenID Connect, CAS), autenticación en dos fases y sincronización automática de grupos de LDAP."
+            installation: "Ayuda para la instalación"
+            installation_text: "Nuestros ingenieros de software especializados le guiarán en todo el proceso de instalación y configuración en su propia infraestructura."
+            premium_features: "Características premium"
+            premium_features_text: "Paneles ágiles, tema y logotipo personalizados, gráficos, flujos de trabajo inteligentes con acciones personalizadas, búsqueda de texto completo en archivos adjuntos de paquetes de trabajo y campos personalizados de selección múltiple."
+            professional_support: "Soporte profesional"
+            professional_support_text: "Obtenga ayuda rápida y de confianza de nuestros agentes de asistencia con conocimientos especializados sobre cómo ejecutar OpenProject en entornos empresariales críticos."
+          button_start_trial: "Iniciar prueba gratuita"
+          button_book_now: "Reservar ahora"
           confidence: >
-
-          link_quote: ""
+            Ofrecemos la confianza de un software de gestión de proyectos de categoría empresarial probado y con asistencia: de código abierto y mente abierta.
+          link_quote: "Solicitar presupuesto"
           text: >
-
-          unlimited: ""
-          you_contribute: ""
+            OpenProject Enterprise Edition se basa en la versión de la comunidad (Community Edition). Incluye características premium y asistencia profesional dirigida principalmente a organizaciones con más de 10 usuarios que gestionen proyectos empresariales críticos con OpenProject.
+          unlimited: "Ilimitado"
+          you_contribute: "Los desarrolladores también tienen que pagar sus facturas. Con Enterprise Edition, contribuirá en gran medida al esfuerzo de esta comunidad de código abierto."
     custom_actions:
       date:
-        specific: ''
-        current_date: ''
+        specific: 'en'
+        current_date: 'Fecha actual'
     error:
-      internal: ""
-      cannot_save_changes_with_message: ""
-      query_saving: ""
-      embedded_table_loading: ""
-    enumeration_activities: ""
-    enumeration_doc_categories: ""
-    enumeration_work_package_priorities: ""
+      internal: "Ha ocurrido un error interno."
+      cannot_save_changes_with_message: "No se pueden guardar los cambios debido al siguiente error: %{error}"
+      query_saving: "No se pudo guardar la vista."
+      embedded_table_loading: "No se pudo cargar la vista insertada: %{message}"
+    enumeration_activities: "Actividades (tiempo de seguimiento)"
+    enumeration_doc_categories: "Categorías de documentos"
+    enumeration_work_package_priorities: "Prioridades del paquete de trabajo"
     filter:
-      more_values_not_shown: ""
+      more_values_not_shown: "There are %{total} more results, search to filter results."
       description:
-        text_open_filter: ""
-        text_close_filter: ""
-      noneElement: ""
+        text_open_filter: "Abrir este filtro con 'ALT' y las flechas de dirección."
+        text_close_filter: "Para seleccionar una entrada, deje el foco por ejemplo pulsando Intro. Para abandonar sin filtro, seleccione la primera entrada (vacía)."
+      noneElement: "(ninguno)"
       time_zone_converted:
-        two_values: ""
-        only_start: ""
-        only_end: ""
-      value_spacer: ""
+        two_values: "%{from} - %{to} de su hora local."
+        only_start: "Desde las %{from} de su hora local."
+        only_end: "Hasta las %{to} de su hora local."
+      value_spacer: "-"
       sorting:
         criteria:
-          one: ""
-          two: ""
-          three: ""
-      upsale_for_more: ""
-      upsale_link: ''
-    general_text_no: ""
-    general_text_yes: ""
-    general_text_No: ""
-    general_text_Yes: ""
+          one: "Primer criterio de ordenación"
+          two: "Segundo criterio de ordenación"
+          three: "Tercer criterio de ordenación"
+      upsale_for_more: "Para el uso de filtros más avanzados, consulte"
+      upsale_link: 'Edición empresarial.'
+    general_text_no: "no"
+    general_text_yes: "sí"
+    general_text_No: "No"
+    general_text_Yes: "Sí"
     hal:
       error:
-        update_conflict_refresh: ""
-        edit_prohibited: ""
+        update_conflict_refresh: "Haga clic aquí para actualizar el recurso y cambiar a la versión más reciente."
+        edit_prohibited: "La edición de %{attribute} está bloqueada para este recurso. Puede que el atributo se derive de relaciones (por ejemplo, elementos secundarios) o que no pueda configurarse."
         format:
-          date: ""
-        general: ""
+          date: "%{attribute} no es una fecha válida -se espera YYYY-MM-DD."
+        general: "Ha ocurrido un error."
     homescreen:
       blocks:
         new_features:
-          text_new_features: ""
-          learn_about: ""
+          text_new_features: "Obtenga información sobre nuevas características y actualizaciones de productos."
+          learn_about: "Más información sobre las nuevas características"
           #Include the version to invalidate outdated translations in other locales.
           #Otherwise, e.g. chinese might still have the translations for 10.0 in the 12.0 release.
           '12_0':
             standard:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
+                La versión contiene varias nuevas funcionalidades y mejoras: <br> <ul class="%{list_styling_class}"> <li>Con las nuevas <b>notificaciones dentro de la aplicación</b> recibe todas las actualizaciones importantes directamente en la aplicación y dejará de recibir un montón de correos electrónicos.</li> <li>El nuevo <b>centro de notificación</b> muestra todos los cambios, incluyendo opciones de filtro intuitivas, por ejemplo, por motivos de notificación o proyectos. Incluso permite editar directamente paquetes de trabajo en la vista partida.</li> <li>Mejorado la <b>configuración de notificaciones</b> le permite ajustar mejor qué acciones y en qué proyectos desea recibir una notificación.</li> <li>Los <b>recordatorios por correo electrónico</b> pueden ser configurados para recibir actualizaciones importantes a través de un resumen diario vía correo electrónico.</li> <li>El paquete de trabajo autocompletador para las relaciones ahora también muestra información adicional (nombre del proyecto, estado, . .) para identificar fácilmente el respectivo paquete de trabajo.</li> </ul>
             bim:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
-    label_activate: ""
-    label_add_column_after: ""
-    label_add_column_before: ""
-    label_add_columns: ""
-    label_add_comment: ""
-    label_add_comment_title: ""
-    label_add_row_after: ""
-    label_add_row_before: ""
-    label_add_selected_columns: ""
-    label_added_by: ""
-    label_added_time_by: ""
-    label_ago: ""
-    label_all: ""
-    label_all_work_packages: ""
-    label_and: ""
-    label_ascending: ""
-    label_author: ""
-    label_avatar: ""
-    label_between: ""
-    label_board: ""
-    label_board_locked: ""
-    label_board_plural: ""
-    label_board_sticky: ""
-    label_change: ""
-    label_create: ""
-    label_create_work_package: ""
-    label_created_by: ""
-    label_date: ""
-    label_date_with_format: ""
-    label_deactivate: ""
-    label_descending: ""
-    label_description: ""
-    label_details: ""
-    label_display: ""
-    label_cancel_comment: ""
-    label_closed_work_packages: ""
-    label_collapse: ""
-    label_collapsed: ""
-    label_collapse_all: ""
-    label_comment: ""
-    label_committed_at: ""
-    label_committed_link: ""
-    label_contains: ""
-    label_created_on: ""
-    label_edit_comment: ""
-    label_edit_status: ""
-    label_email: ""
-    label_equals: ""
-    label_expand: ""
-    label_expanded: ""
-    label_expand_all: ""
-    label_expand_project_menu: ""
-    label_export: ""
-    label_export_preparing: ""
-    label_filename: ""
-    label_filesize: ""
-    label_general: ""
-    label_global_roles: ""
-    label_greater_or_equal: ""
-    label_group: ''
-    label_group_by: ""
-    label_group_plural: ""
-    label_hide_attributes: ""
-    label_hide_column: ""
-    label_hide_project_menu: ""
-    label_in: ""
-    label_in_less_than: ""
-    label_in_more_than: ""
-    label_incoming_emails: ""
-    label_information_plural: ""
-    label_import: ""
-    label_latest_activity: ""
-    label_last_updated_on: ""
-    label_learn_more_link: ""
-    label_less_or_equal: ""
-    label_less_than_ago: ""
-    label_loading: ""
-    label_mail_notification: ""
-    label_me: ""
-    label_meeting_agenda: ""
-    label_meeting_minutes: ""
-    label_menu_collapse: ""
-    label_menu_expand: ""
-    label_more_than_ago: ""
-    label_next: ""
-    label_no_color: ""
-    label_no_data: ""
-    label_no_due_date: ""
-    label_no_start_date: ""
-    label_no_value: ""
-    label_none: ""
-    label_not_contains: ""
-    label_not_equals: ""
-    label_on: ""
-    label_open_menu: ""
-    label_open_context_menu: ""
-    label_open_work_packages: ""
-    label_password: ""
-    label_previous: ""
-    label_per_page: ""
-    label_please_wait: ""
-    label_project_plural: ""
-    label_visibility_settings: ""
-    label_quote_comment: ""
-    label_recent: ""
-    label_reset: ""
-    label_remove: ""
-    label_remove_column: ""
-    label_remove_columns: ""
-    label_remove_row: ""
-    label_report: ""
-    label_repository_plural: ""
-    label_save_as: ""
-    label_select_watcher: ""
-    label_selected_filter_list: ""
-    label_show_attributes: ""
-    label_show_in_menu: ""
-    label_sort_by: ""
-    label_sorted_by: ""
-    label_sort_higher: ""
-    label_sort_lower: ""
-    label_sorting: ""
-    label_spent_time: ""
-    label_star_query: ""
-    label_press_enter_to_save: ""
-    label_public_query: ""
-    label_sum: ""
-    label_sum_for: ""
-    label_total_sum: ""
-    label_subject: ""
-    label_this_week: ""
-    label_today: ""
-    label_time_entry_plural: ""
-    label_up: ""
-    label_user_plural: ""
-    label_activity_show_only_comments: ""
-    label_activity_show_all: ""
-    label_total_progress: ""
-    label_total_amount: ""
-    label_updated_on: ""
-    label_value_derived_from_children: ""
-    label_children_derived_duration: ""
-    label_warning: ""
-    label_work_package: ""
-    label_work_package_parent: ""
-    label_work_package_plural: ""
-    label_watch: ""
-    label_watch_work_package: ""
-    label_watcher_added_successfully: ""
-    label_watcher_deleted_successfully: ""
-    label_work_package_details_you_are_here: ""
-    label_unwatch: ""
-    label_unwatch_work_package: ""
-    label_uploaded_by: ""
-    label_default_queries: ""
-    label_starred_queries: ""
-    label_global_queries: ""
-    label_custom_queries: ""
-    label_create_new_query: ""
-    label_columns: ""
-    label_attachments:
-    label_drop_files:
-    label_drop_files_hint:
-    label_drop_folders_hint:
-    label_add_attachments: ""
-    label_formattable_attachment_hint: ""
-    label_remove_file: ""
-    label_remove_watcher: ""
-    label_remove_all_files:
-    label_add_description: ""
-    label_upload_notification: ""
-    label_work_package_upload_notification: ""
-    label_wp_id_added_by: ""
-    label_files_to_upload: ""
-    label_rejected_files: ""
-    label_rejected_files_reason: ""
-    label_wait: ""
-    label_upload_counter: ""
-    label_validation_error: ""
-    label_version_plural: ""
-    label_view_has_changed: ""
+                Esta versión contiene nuevas mejoras y características: <br> <ul class="%{list_styling_class}"> <li>Centro de notificaciones: reduzca el número de correos que recibe. En su lugar, busque y responda a todas las notificaciones pertinentes desde una ubicación central.</li> <li>Ahora se pueden descargar todos los archivos IFC cargados.</li> <li>La carga y el procesamiento de IFC ahora es más rápida y se han mejorado los mensajes de error mostrados.</li> <li>Se han aplicado numerosas correcciones de errores en el <a href="https://github.com/opf/openproject-revit-add-in">complemento OpenProject Revit</a>.</li> </ul>
+    label_activate: "Activar"
+    label_add_column_after: "Añadir columna a la derecha"
+    label_add_column_before: "Añadir columna a la izquierda"
+    label_add_columns: "Añadir columnas"
+    label_add_comment: "Agregar comentario"
+    label_add_comment_title: "Escriba un comentario y agregue @ para notificar a otras personas"
+    label_add_row_after: "Añadir fila debajo"
+    label_add_row_before: "Añadir fila encima"
+    label_add_selected_columns: "Agregar columnas seleccionadas"
+    label_added_by: "agregado por"
+    label_added_time_by: "Añadido por <a href=%{authorLink}>%{author}</a> a las %{age}"
+    label_ago: "días antes"
+    label_all: "todos"
+    label_all_work_packages: "todos los paquetes de trabajo"
+    label_and: "y"
+    label_ascending: "Ascendente"
+    label_author: "Autor: %{user}"
+    label_avatar: "Avatar"
+    label_between: "entre"
+    label_board: "Tablero"
+    label_board_locked: "Bloqueado"
+    label_board_plural: "Tableros"
+    label_board_sticky: "Adhesivo"
+    label_change: "Cambiar"
+    label_create: "Crear"
+    label_create_work_package: "Crear un nuevo paquete de trabajo"
+    label_created_by: "Creado por"
+    label_date: "Fecha"
+    label_date_with_format: "Introduzca el %{date_attribute} usando el siguiente formato: %{format}"
+    label_deactivate: "Desactivar"
+    label_descending: "Descendente"
+    label_description: "Descripción"
+    label_details: "Detalles"
+    label_display: "Mostrar"
+    label_cancel_comment: "Cancelar comentario"
+    label_closed_work_packages: "cerrado"
+    label_collapse: "Colapsar"
+    label_collapsed: "colapsado"
+    label_collapse_all: "Colapsar todo"
+    label_comment: "Comentario"
+    label_committed_at: "%{committed_revision_link} en %{date}"
+    label_committed_link: "revisión confirmada %{revision_identifier}"
+    label_contains: "contiene"
+    label_created_on: "creado en"
+    label_edit_comment: "Editar este comentario"
+    label_edit_status: "Edite el estado del paquete de trabajo"
+    label_email: "Correo electrónico"
+    label_equals: "es"
+    label_expand: "Expandir"
+    label_expanded: "expandido"
+    label_expand_all: "Expandir todos"
+    label_expand_project_menu: "Expandir menú de proyecto"
+    label_export: "Exportar"
+    label_export_preparing: "La exportación se está preparando y se descargará en breve."
+    label_filename: "Archivo"
+    label_filesize: "Tamaño"
+    label_general: "General"
+    label_global_roles: "Roles globales"
+    label_greater_or_equal: ">="
+    label_group: 'Grupo'
+    label_group_by: "Agrupar por"
+    label_group_plural: "Grupos"
+    label_hide_attributes: "Mostrar menos"
+    label_hide_column: "Esconder Columna"
+    label_hide_project_menu: "Contraer menú de proyecto"
+    label_in: "en"
+    label_in_less_than: "en menos de"
+    label_in_more_than: "en más de"
+    label_incoming_emails: "Correos electrónicos entrantes"
+    label_information_plural: "Información"
+    label_import: "Importar"
+    label_latest_activity: "Actividad reciente"
+    label_last_updated_on: "Ultima actualizacion realizada el"
+    label_learn_more_link: "Saber más"
+    label_less_or_equal: "<="
+    label_less_than_ago: "menos que hace días"
+    label_loading: "Cargando..."
+    label_mail_notification: "Notificaciones de correo electrónico"
+    label_me: "mi"
+    label_meeting_agenda: "Agenda"
+    label_meeting_minutes: "Minutos"
+    label_menu_collapse: "colapsar"
+    label_menu_expand: "expandir"
+    label_more_than_ago: "más días atrás"
+    label_next: "Siguiente"
+    label_no_color: "Sin color"
+    label_no_data: "No hay datos disponibles"
+    label_no_due_date: "sin fecha límite "
+    label_no_start_date: "sin fecha de inicio"
+    label_no_value: "Sin valor"
+    label_none: "ninguno"
+    label_not_contains: "no contiene"
+    label_not_equals: "no es"
+    label_on: "en"
+    label_open_menu: "Abrir menú"
+    label_open_context_menu: "Abrir menú contextual"
+    label_open_work_packages: "abierto"
+    label_password: "Contraseña"
+    label_previous: "Anterior"
+    label_per_page: "Por pagina:"
+    label_please_wait: "Por favor, espere"
+    label_project_plural: "Proyectos"
+    label_visibility_settings: "Configuración de visibilidad"
+    label_quote_comment: "Citar este comentario"
+    label_recent: "Recientes"
+    label_reset: "Reiniciar"
+    label_remove: "Eliminar"
+    label_remove_column: "Eliminar columna"
+    label_remove_columns: "Eliminar columnas seleccionadas"
+    label_remove_row: "Eliminar fila"
+    label_report: "Informe"
+    label_repository_plural: "Repositorios"
+    label_save_as: "Guardad como"
+    label_select_watcher: "Selecciona un observador..."
+    label_selected_filter_list: "Filtros seleccionados"
+    label_show_attributes: "Mostrar todos los atributos"
+    label_show_in_menu: "Mostrar vista en menú"
+    label_sort_by: "Ordenar por"
+    label_sorted_by: "ordenados por"
+    label_sort_higher: "Mover hacia arriba"
+    label_sort_lower: "Mover hacia abajo"
+    label_sorting: "Ordenando"
+    label_spent_time: "Tiempo empleado"
+    label_star_query: "Favorecido"
+    label_press_enter_to_save: "Presione Entrar para guardar los cambios."
+    label_public_query: "Público"
+    label_sum: "Suma"
+    label_sum_for: "Suma para"
+    label_total_sum: "Suma total"
+    label_subject: "Asunto"
+    label_this_week: "esta semana"
+    label_today: "Hoy"
+    label_time_entry_plural: "Tiempo empleado"
+    label_up: "Arriba"
+    label_user_plural: "Usuarios"
+    label_activity_show_only_comments: "Solo mostrar las actividades con comentarios"
+    label_activity_show_all: "Mostrar todas las actividades"
+    label_total_progress: "Progreso total: %{percent}%"
+    label_total_amount: "Total: %{amount}"
+    label_updated_on: "actualizado el"
+    label_value_derived_from_children: "(valor derivado del elemento secundario)"
+    label_children_derived_duration: "Duración derivada de los elementos secundarios del paquete de trabajo"
+    label_warning: "Alerta"
+    label_work_package: "Paquete de trabajo"
+    label_work_package_parent: "Paquete de trabajo principal"
+    label_work_package_plural: "Paquetes de trabajo"
+    label_watch: "Controlar"
+    label_watch_work_package: "Ver paquetes de trabajo"
+    label_watcher_added_successfully: "Observador agregado exitosamente!"
+    label_watcher_deleted_successfully: "Observador borrado con éxito!"
+    label_work_package_details_you_are_here: "Te encuentras en la pestaña %{tab} para %{type}%{subject}."
+    label_unwatch: "No controlar más"
+    label_unwatch_work_package: "Ocultar paquetes de trabajo"
+    label_uploaded_by: "Subido por"
+    label_default_queries: "Vistas predeterminadas"
+    label_starred_queries: "Vistas favoritas"
+    label_global_queries: "Vistas públicas"
+    label_custom_queries: "Vistas privadas"
+    label_columns: "Columnas"
+    label_attachments: Archivos adjuntos
+    label_drop_files: Suelta los archivos aquí
+    label_drop_files_hint: o haga clic en Agregar archivos
+    label_drop_folders_hint: No se pueden cargar carpetas como datos adjuntos. Seleccione archivos individuales.
+    label_add_attachments: "Añadir adjuntos"
+    label_formattable_attachment_hint: "Para adjuntar y vincular archivos, colóquelos en este campo o péguelos desde el Portapapeles."
+    label_remove_file: "Eliminar %{fileName}"
+    label_remove_watcher: "Eliminar observador %{name}"
+    label_remove_all_files: Borrar todos los archivos
+    label_add_description: "Añadir una descripción para %{file}"
+    label_upload_notification: "Cargando archivos…"
+    label_work_package_upload_notification: "Subiendo archivos para el paquete de trabajo #%{id}: %{subject}"
+    label_wp_id_added_by: "#%{id} añadido por %{author}"
+    label_files_to_upload: "Estos archivos se cargarán:"
+    label_rejected_files: "Estos archivos no pueden ser cargados:"
+    label_rejected_files_reason: "Estos archivos no pueden cargarse debido a que su tamaño es mayor a %{maximumFilesize}"
+    label_wait: "Por favor espere para la configuración..."
+    label_upload_counter: "%{done} de %{count} archivos terminados"
+    label_validation_error: "El paquete de trabajo no puede ser guardado debido a los errores siguientes:"
+    label_version_plural: "Versiones"
+    label_view_has_changed: "Esta vista tiene cambios sin guardar. Haga clic para guardarlos."
     help_texts:
-      show_modal: ''
+      show_modal: 'Mostrar entrada de texto de ayuda para atributo'
     onboarding:
       buttons:
-        skip: ''
-        next: ''
-        got_it: ''
+        skip: 'Saltar'
+        next: 'Siguiente'
+        got_it: 'Entendido'
       steps:
-        help_menu: ''
-        members: ''
-        project_selection: ''
-        quick_add_button: ''
-        sidebar_arrow: ""
-        welcome: ''
-        wiki: ''
+        help_menu: 'El menú Ayuda (?) proporciona <b>recursos de ayuda adicionales</b>. Aquí puedes encontrar una guía de usuario y vídeos explicativos y más. <br> ¡Disfruta de tu trabajo con OpenProject!'
+        members: 'Invitar a nuevos <b>miembros</b> a unirse a tu proyecto.'
+        project_selection: 'Haga clic en uno de los proyectos de demostración que hemos preparado. Los datos de demostración solo están disponibles en inglés actualmente. <br> El <b>proyecto de demostración</b> general es la opción recomendada para la gestión de proyectos clásica, mientras que el <b>proyecto de Scrum</b> es más adecuado para la gestión de proyectos ágiles.'
+        quick_add_button: 'Haga clic en el icono del signo más (+) en el menú de navegación del encabezado para <b>crear un proyecto</b> o <b>invitar a compañeros</b>.'
+        sidebar_arrow: "Usa la flecha de retorno en la esquina superior izquierda para regresar al <b>menú principal</b> del proyecto."
+        welcome: 'Realice un paseo de introducción de tres minutos para conocer las <b>características más importantes</b>. <br> Le recomendamos que complete todos los pasos. Puede volver a iniciar el paseo en cualquier momento.'
+        wiki: 'En la <b>wiki</b>, puede elaborar documentos y compartir conocimientos con su equipo.'
         backlogs:
-          overview: ""
-          sprints: ""
-          task_board_arrow: ''
-          task_board_select: ''
-          task_board: ""
+          overview: "Administre su trabajo en la vista de <b>trabajos pendientes</b>."
+          sprints: "A la derecha verá los trabajos pendientes de productos y errores de código, y a la izquierda se muestran los sprints correspondientes. Aquí puede crear <b>épicas, historias de usuario y errores de código</b>, asignar prioridades mediante funciones de arrastrar y colocar, y añadir elementos a un sprint."
+          task_board_arrow: 'Para ver el <b>Panel de tareas</b>, abra el menú desplegable Sprint…'
+          task_board_select: '… y seleccione la entrada del <b>panel de tareas</b>.'
+          task_board: "En el panel de tareas, se muestra el <b>progreso de este sprint</b>. Haga clic en el icono del signo más (+) junto a una historia de usuario para añadir nuevas tareas o impedimentos. <br> Puede actualizar el estado mediante las funciones de arrastrar y colocar."
         boards:
-          overview: ''
-          lists: ''
-          add: ''
-          drag: ''
+          overview: 'Seleccione los <b>paneles</b> para cambiar la vista y gestione su proyecto con la vista de paneles ágiles.'
+          lists_kanban: 'Aquí puede crear varias listas (columnas) en el panel. Por ejemplo, esta característica le permite crear un <b>panel kanban</b>.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
+          add: 'Haga clic en el icono del signo más (+) para <b>crear una tarjeta</b> o <b>añadir una tarjeta existente</b> a la lista en el panel.'
+          drag: 'Arrastre y coloque las tarjetas en una lista específica para cambiar el orden o moverlas a otra lista. <br> Para ver los detalles, haga clic en el icono de información (i) de la esquina superior derecha o haga doble clic en una tarjeta.'
         wp:
-          toggler: ""
-          list: ''
-          full_view: ''
-          back_button: ''
-          create_button: ''
-          timeline_button: ''
-          timeline: ''
+          toggler: "Ahora, veamos la sección <b>paquete de trabajo</b>, que ofrece una vista más detallada de su trabajo."
+          list: 'En el resumen del <b>paquete de trabajo</b>, se muestra una lista de todos los trabajos del proyecto, como tareas, hitos, fases y más. <br> Desde esta vista, se pueden crear y editar directamente paquetes de trabajo. Para acceder a los detalles de un paquete de trabajo específico, simplemente haga doble clic en la fila correspondiente.'
+          full_view: 'En la vista de <b>detalles del paquete de trabajo</b>, se muestra toda la información pertinente sobre un paquete de trabajo específico, como la descripción, el estado, la prioridad, las actividades, las dependencias y los comentarios.'
+          back_button: 'Use la flecha de retorno de la esquina superior izquierda para salir y volver a la lista de paquetes de trabajo.'
+          create_button: 'Use el botón <b>+ Crear</b> para añadir un nuevo paquete de trabajo a su proyecto.'
+          timeline_button: 'Puede activar la vista del <b>diagrama de Gantt</b> para crear una línea de tiempo del proyecto.'
+          timeline: 'Aquí puede <b>editar su plan de proyecto</b>, crear nuevos paquetes de trabajo (como tareas, hitos, fases y más) y <b>añadir dependencias</b>. Todos los miembros del equipo pueden ver y actualizar el plan más reciente en cualquier momento.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
-      title: ""
-      no_unread: ""
+      title: "Notificaciones"
+      no_unread: "No hay notificaciones sin leer"
       reasons:
-        mentioned: ''
-        watched: ''
-        assigned: ''
-        responsible: ''
+        mentioned: 'mencionado'
+        watched: 'visto'
+        assigned: 'asignado'
+        responsible: 'responsable'
       facets:
-        unread: ''
-        all: ''
+        unread: 'Marcar como no leído'
+        all: 'Todos'
       center:
         and_more_users:
-          one: ''
-          other: ''
+          one: 'y 1 más'
+          other: 'y %{count} más'
         no_results:
-          at_all: ''
-          with_current_filter: ''
-        mark_all_read: ''
-        mark_as_read: ''
-        text_update_date: ""
-        total_count_warning: ""
+          at_all: 'Aquí se mostrarán las nuevas notificaciones cuando haya actividad que le resulte pertinente'
+          with_current_filter: 'No hay notificaciones en esta vista actualmente'
+        mark_all_read: 'Marcar todos como leído'
+        mark_as_read: 'Marcar como leída'
+        text_update_date: "%{date} por"
+        total_count_warning: "Mostrando las %{newest_count} notificaciones más recientes. %{more_count} más no se muestran."
         empty_state:
-          no_notification: ""
-          no_notification_with_current_filter: ""
-          no_selection: ""
+          no_notification: "Parece que ya está al día."
+          no_notification_with_current_filter: "Cambie la implicación o vuelva a la bandeja de entrada para ver las notificaciones"
+          no_selection: "Haga clic en una notificación para ver todos los detalles de la actividad."
         new_notifications:
-          message: ''
-          link_text: ''
+          message: 'Hay nuevas notificaciones.'
+          link_text: 'Haga clic aquí para cargarlas'
       menu:
-        accountable: ''
-        assigned: ''
-        by_project: ''
-        by_reason: ''
-        inbox: ''
-        mentioned: ''
-        watching: ''
+        accountable: 'Responsable'
+        assigned: 'Asignado'
+        by_project: 'Sin leer por proyecto'
+        by_reason: 'Implicación'
+        inbox: 'Bandeja de entrada'
+        mentioned: '@mencionado'
+        watching: 'Supervisando'
       settings:
-        change_notification_settings: ''
-        title: ""
-        notify_me: ""
+        change_notification_settings: 'Para ver y cambiar los ajustes de notificaciones, <a target="_blank" href="%{url}">haga clic aquí</a>'
+        title: "Ajustes de notificación"
+        notify_me: "Notificarme"
         reasons:
           mentioned:
-            title: ''
-            description: ''
+            title: 'Alguien me @menciona'
+            description: 'Recibir una notificación cada vez que un usuario me mencione'
           involved:
-            title: ''
-            description: ''
-          watched: ''
-          work_package_commented: ''
-          work_package_created: ''
-          work_package_processed: ''
-          work_package_prioritized: ''
-          work_package_scheduled: ''
+            title: 'Asignado a mi usuario o responsable'
+            description: 'Recibe notificaciones para todas las actividades relacionadas con paquetes de trabajo en los cuales mi rol es asignado/a o responsable'
+          watched: 'Actualizaciones en elementos supervisados'
+          work_package_commented: 'Todos los nuevos comentarios'
+          work_package_created: 'Nuevos paquetes de trabajo'
+          work_package_processed: 'Todos los cambios de estado'
+          work_package_prioritized: 'Todos los cambios de prioridad'
+          work_package_scheduled: 'Todos los cambios de fecha'
         global:
           immediately:
-            title: ''
-            description: ''
+            title: 'Notificarme de inmediato'
+            description: 'Estos ajustes se aplican en todos los proyectos. A continuación, puede crear excepciones específicas de proyectos.'
           delayed:
-            title: ''
-            description: ''
+            title: 'También notificarme sobre'
+            description: 'Recibir notificaciones de estas actividades de paquetes de trabajo en todos los proyectos:'
         project_specific:
-          title: ''
-          description: ''
-          add: ''
-          already_selected: ''
-          remove: ''
+          title: 'Configuración de notificaciones específicas de proyectos'
+          description: 'Esta configuración específica de proyectos reemplaza los ajustes predeterminados anteriores'
+          add: 'Añadir configuración para el proyecto'
+          already_selected: 'Este proyecto ya está seleccionado'
+          remove: 'Eliminar configuración del proyecto'
     password_confirmation:
-      field_description: ''
-      title: ''
+      field_description: 'Necesitas introducir la contraseña de tu cuenta para confirmar este cambio.'
+      title: 'Confirma tu contraseña para continuar'
     pagination:
-      no_other_page: ""
+      no_other_page: "Usted está en la única página."
       pages:
-        next: ""
-        previous: ""
+        next: "Avanzar a la siguiente página"
+        previous: "Volver a la página anterior"
     placeholders:
-      default: ''
-      subject: ''
-      selection: ''
-      relation_description: ''
+      default: '-'
+      subject: 'Escriba aquí el asunto'
+      selection: 'Por favor, elija'
+      relation_description: 'Haga clic para añadir la descripción a esta relación'
     project:
       required_outside_context: >
-
-      context: ''
-      work_package_belongs_to: ''
-      click_to_switch_context: ''
-      confirm_template_load: ''
-      use_template: ""
-      no_template_selected: ""
+        Seleccione el proyecto donde quiera crear el paquete de trabajo para ver todos los atributos. Solo puede seleccionar proyectos que tengan activado el tipo anterior.
+      context: 'Contexto de proyecto'
+      work_package_belongs_to: 'Este paquete de trabajo pertenece al proyecto %{projectname}.'
+      click_to_switch_context: 'Abra este paquete de trabajo en ese proyecto.'
+      confirm_template_load: 'Al cambiar la plantilla, se actualizará la página y perderá todos los datos introducidos en el formulario. ¿Quiere continuar?'
+      use_template: "Usar plantilla"
+      no_template_selected: "(Ninguna)"
       copy:
-        copy_options: ""
+        copy_options: "Opciones de copia"
       autocompleter:
-        label: ''
+        label: 'Contexto | Solicitar contexto'
     reminders:
       settings:
         daily:
-          add_time: ''
-          enable: ''
-          explanation: ''
-          no_time_zone: ''
-          time_label: ''
-          title: ''
+          add_time: 'Añadir tiempo'
+          enable: 'Habilitar recordatorios por correo electrónico diarios'
+          explanation: 'Solo recibirá estos recordatorios de las notificaciones sin leer y en las horas que especifique. %{no_time_zone}'
+          no_time_zone: 'Hasta que configure una zona horaria para su cuenta, las horas se interpretarán en UTC.'
+          time_label: 'Tiempo %{counter}:'
+          title: 'Enviarme recordatorios por correo electrónico diarios de notificaciones sin leer'
         workdays:
-          title: ''
+          title: 'Recibir recordatorios por correo electrónico en estos días'
         immediate:
-          title: ''
-          mentioned: ''
+          title: 'Enviarme un recordatorio por correo electrónico'
+          mentioned: 'De inmediato cuando alguien me mencione'
         alerts:
-          title: ''
+          title: 'Alertas por correo electrónico de otros elementos (que no sean paquetes de trabajo)'
           explanation: >
-
-          news_added: ''
-          news_commented: ''
-          document_added: ''
-          forum_messages: ''
-          wiki_page_added: ''
-          wiki_page_updated: ''
-          membership_added: ''
-          membership_updated: ''
-        title: ''
+            Las notificaciones para hoy están limitadas a los paquetes de trabajo. Puede elegir seguir recibiendo alertas por correo electrónico de estos eventos hasta que se incluyan en las notificaciones:
+          news_added: 'Noticias añadidas'
+          news_commented: 'Comentarios en un elemento de noticias'
+          document_added: 'Documentos añadidos'
+          forum_messages: 'Nuevos mensajes de foros'
+          wiki_page_added: 'Página wiki añadida'
+          wiki_page_updated: 'Página wiki actualizada'
+          membership_added: 'Pertenencia añadida'
+          membership_updated: 'Pertenencia actualizada'
+        title: 'Recordatorios por correo electrónico'
         pause:
-          label: ''
-          first_day: ''
-          last_day: ''
-    text_are_you_sure: ""
-    text_data_lost: ""
+          label: 'Pausar temporalmente los recordatorios por correo electrónico diarios'
+          first_day: 'Primer día'
+          last_day: 'Último día'
+    text_are_you_sure: "¿Estás seguro?"
+    text_data_lost: "Todos los datos introducidos se perderán."
     types:
       attribute_groups:
-        error_duplicate_group_name: ""
-        error_no_table_configured: ""
-        reset_title: ""
+        error_duplicate_group_name: "El nombre %{group} se ha usado más de una vez. Los nombres de grupos deben ser únicos."
+        error_no_table_configured: "Configure una tabla para %{group}."
+        reset_title: "Restablecer la configuración del formulario"
         confirm_reset: >
-
-        upgrade_to_ee: ""
-        upgrade_to_ee_text: ""
-        more_information: ""
-        nevermind: ""
+          Advertencia: ¿Está seguro de que quiere restablecer la configuración del formulario? Se restablecerán los atributos al grupo predeterminado y se deshabilitarán TODOS los campos personalizados.
+        upgrade_to_ee: "Actualizar a Enterprise on-premises Edition"
+        upgrade_to_ee_text: "¡Vaya! Si necesita está opción, entonces ¡es un usuario experto! ¿Le importaría apoyar a los desarrolladores de OpenSource convirtiéndose en un cliente de la versión corporativa?"
+        more_information: "Más información"
+        nevermind: "No importa"
       edit:
-        form_configuration: ""
-        projects: ""
-        settings: ""
+        form_configuration: "Configuración del formulario"
+        projects: "Proyectos"
+        settings: "Configuración"
     time_entry:
-      project: ''
-      work_package: ''
-      work_package_required: ''
-      activity: ''
-      comment: ''
-      duration: ''
-      spent_on: ''
-      hours: ''
-      title: ''
+      project: 'Proyecto'
+      work_package: 'Paquete de trabajo'
+      work_package_required: 'Es necesario seleccionar primero un paquete de trabajo.'
+      activity: 'Actividad'
+      comment: 'Comentario'
+      duration: 'Duración'
+      spent_on: 'Fecha'
+      hours: 'Horas'
+      title: 'Registro de tiempo'
     two_factor_authentication:
-      label_two_factor_authentication: ''
+      label_two_factor_authentication: 'Autenticación de dos factores'
     watchers:
-      label_loading:
-      label_error_loading:
-      label_search_watchers:
-      label_add:
-      label_discard:
-      typeahead_placeholder:
+      label_loading: cargando observadores...
+      label_error_loading: Se ha producido un error al cargar los observadores
+      label_search_watchers: Buscar observadores
+      label_add: Agregar observadores
+      label_discard: Descartar selección
+      typeahead_placeholder: Buscar posibles observadores
     relation_labels:
-      parent: ""
-      children: ""
-      relates: ""
-      duplicates: ""
-      duplicated: ""
-      blocks: ""
-      blocked: ""
-      precedes: ""
-      follows: ""
-      includes: ""
-      partof: ""
-      requires: ""
-      required: ""
-      relation_type: ""
+      parent: "Padre"
+      children: "Subordinado"
+      relates: "Relacionado a"
+      duplicates: "Duplicados"
+      duplicated: "Duplicado por"
+      blocks: "Bloques"
+      blocked: "Bloqueado por"
+      precedes: "Precede"
+      follows: "Sigue"
+      includes: "Incluye"
+      partof: "Parte de"
+      requires: "Requiere"
+      required: "Requerido por"
+      relation_type: "tipo de relación"
     relations_hierarchy:
-      parent_headline: ""
-      hierarchy_headline: ""
-      children_headline: ""
+      parent_headline: "Padre"
+      hierarchy_headline: "Jerarquía"
+      children_headline: "Subordinado"
     relation_buttons:
-      set_parent: ""
-      change_parent: ""
-      remove_parent: ""
-      hierarchy_indent: ""
-      hierarchy_outdent: ""
-      group_by_wp_type: ""
-      group_by_relation_type: ""
-      add_parent: ""
-      add_new_child: ""
-      create_new: ""
-      add_existing: ""
-      add_existing_child: ""
-      remove_child: ""
-      add_new_relation: ""
-      add_existing_relation: ""
-      update_description: ""
-      toggle_description: ""
-      update_relation: ""
-      add_follower: ""
-      add_predecessor: ""
-      remove: ""
-      save: ""
-      abort: ""
+      set_parent: "Establecer elemento primario"
+      change_parent: "Cambiar padre"
+      remove_parent: "Eliminar padre"
+      hierarchy_indent: "Aumentar sangría de jerarquía"
+      hierarchy_outdent: "Anular sangría de jerarquía"
+      group_by_wp_type: "Agrupar por tipo de paquete de trabajo"
+      group_by_relation_type: "Grupo por tipo de relación"
+      add_parent: "Añadir padre existente"
+      add_new_child: "Crear nuevo hijo"
+      create_new: "Crear nuevo"
+      add_existing: "Agregar existente"
+      add_existing_child: "Añadir hijo existente"
+      remove_child: "Eliminar hijo"
+      add_new_relation: "Crear nueva relación"
+      add_existing_relation: "Agregar relación existente"
+      update_description: "Establecer o actualizar la descripción de esta relación"
+      toggle_description: "Activar descripción de la relación"
+      update_relation: "Haga clic para cambiar el tipo de relación"
+      add_follower: "Añadir seguidor"
+      add_predecessor: "Añadir predecesor"
+      remove: "Eliminar la relación"
+      save: "Guardar relación"
+      abort: "Abandonar"
     relations_autocomplete:
-      placeholder: ""
-      parent_placeholder: ""
+      placeholder: "Escriba para buscar"
+      parent_placeholder: "Elija un nuevo padre ó presione escape para cancelar."
     autocompleter:
-      placeholder: ""
-      notFoundText: ""
-      typeToSearchText: ""
+      placeholder: "Escriba para buscar"
+      notFoundText: "No se encontraron elementos"
+      typeToSearchText: "Escriba para buscar"
     repositories:
-      select_tag: ''
-      select_branch: ''
-    field_value_enter_prompt: ""
-    project_menu_details: ""
+      select_tag: 'Seleccionar etiqueta'
+      select_branch: 'Seleccione Sucursal'
+    field_value_enter_prompt: "Introduzca un valor para '%{field}'"
+    project_menu_details: "Detalles"
     scheduling:
-      manual: ''
-      automatic: ''
+      manual: 'Programación manual'
+      automatic: 'Programación automática'
     sort:
-      sorted_asc: ''
-      sorted_dsc: ''
-      sorted_no: ''
-      sorting_disabled: ''
-      activate_asc: ''
-      activate_dsc: ''
-      activate_no: ''
-    text_work_packages_destroy_confirmation: ""
-    text_query_destroy_confirmation: ""
-    text_attachment_destroy_confirmation: ""
+      sorted_asc: 'Orden ascendiente aplicado '
+      sorted_dsc: 'Orden descendiente aplicado '
+      sorted_no: 'Ningún tipo de orden aplicado '
+      sorting_disabled: 'ordenación deshabilitada'
+      activate_asc: 'activar para aplicar orden ascendiente'
+      activate_dsc: 'activar para aplicar orden descendiente'
+      activate_no: 'activar para deshabilitar ordenación'
+    text_work_packages_destroy_confirmation: "¿Esta usted seguro que desea eliminar paquete(s) de trabajo seleccionado(s)?"
+    text_query_destroy_confirmation: "¿Estás seguro de que quiere eliminar la vista seleccionada?"
+    text_attachment_destroy_confirmation: "¿Está seguro que desea eliminar el archivo adjunto?"
     timelines:
-      quarter_label: ''
-      gantt_chart: ''
+      quarter_label: 'Q%{quarter_number}'
+      gantt_chart: 'Diagrama de Gantt'
       labels:
-        title: ''
-        bar: ''
-        left: ''
-        right: ''
-        farRight: ''
-        showNone: ''
+        title: 'Configuración de etiquetas'
+        bar: 'Etiquetas de barras'
+        left: 'Izquierda'
+        right: 'Derecha'
+        farRight: 'Extremo derecho'
+        showNone: '-- Sin etiqueta --'
         description: >
-
-      button_activate: ''
-      button_deactivate: ''
-      cancel:
-      change: ""
-      due_date: ""
-      empty: ""
-      error: ""
+          Seleccione los atributos que quiera que se muestren en las posiciones correspondientes del diagrama de Gantt en todo momento. Tenga en cuenta que, al mantener el ratón sobre un elemento, se mostrarán las etiquetas de fecha, en lugar de estos atributos. 
+      button_activate: 'Mostrar diagrama de Gantt'
+      button_deactivate: 'Ocultar diagrama de Gantt'
+      cancel: Cancelar
+      change: "Cambio en la planificación"
+      due_date: "Fecha de finalización"
+      empty: "(vacío)"
+      error: "Ha ocurrido un error."
       errors:
-        not_implemented: ""
-        report_comparison: ""
-        report_epicfail: ""
-        report_timeout: ""
+        not_implemented: "La línea de tiempo no puede procesarse porque utiliza una característica que no se ha implementado todavía."
+        report_comparison: "La línea de tiempo no puede hacer las comparaciones configuradas. Consulte la sección pertinente en la configuración, re-iniciarla puede ayudar a resolver este problema."
+        report_epicfail: "No se pudo cargar la línea de tiempo debido a un error inesperado."
+        report_timeout: "No se pudo cargar la línea de tiempo en una cantidad razonable de tiempo."
       filter:
-        grouping_other: ""
-        noneSelection: ""
-      name: ""
-      outline: ""
+        grouping_other: "Otros"
+        noneSelection: "(ninguno)"
+      name: "Nombre"
+      outline: "Restablecer marco"
       outlines:
-        aggregation: ""
-        level1: ""
-        level2: ""
-        level3: ""
-        level4: ""
-        level5: ""
-        all: ""
-      project_status: ""
-      really_close_dialog: ""
-      responsible: ""
-      save:
-      start_date: ""
-      tooManyProjects: ""
+        aggregation: "Mostrar sólo las agregaciones"
+        level1: "Ampliar nivel 1"
+        level2: "Ampliar nivel 2"
+        level3: "Ampliar nivel 3"
+        level4: "Ampliar nivel 4"
+        level5: "Ampliar el nivel 5"
+        all: "Mostrar todo"
+      project_status: "Estado del proyecto"
+      really_close_dialog: "¿Quieres realmente cerrar el cuadro de diálogo y perder los datos introducidos?"
+      responsible: "Responsable"
+      save: Guardar
+      start_date: "Fecha de inicio"
+      tooManyProjects: "Mas de  %{count} proyectos. Por favor, use un mejor filtro!"
       selection_mode:
-        notification: ''
+        notification: 'Haga clic en cualquier paquete de trabajo destacado para crear la relación. Pulse Esc para cancelar.'
       zoom:
-        in: ""
-        out: ""
-        auto: ""
-        days: ""
-        weeks: ""
-        months: ""
-        quarters: ""
-        years: ""
-        slider: ""
+        in: "Acercar"
+        out: "Alejar"
+        auto: "Zoom automático"
+        days: "Días"
+        weeks: "Semanas"
+        months: "Meses"
+        quarters: "Cuatrimestres"
+        years: "Años"
+        slider: "Deslizador del Zoom"
         description: >
-
+          Seleccione el nivel de zoom inicial que debe mostrarse cuando el zoom automático no esté disponible.
     tl_toolbar:
-      zooms: ""
-      outlines: ""
+      zooms: "nivel de Zoom"
+      outlines: "Nivel de jerarquía"
     upsale:
-      ee_only: ''
+      ee_only: 'Característica exclusiva de Enterprise Edition'
     wiki_formatting:
-      strong: ""
-      italic: ""
-      underline: ""
-      deleted: ""
-      code: ""
-      heading1: ""
-      heading2: ""
-      heading3: ""
-      unordered_list: ""
-      ordered_list: ""
-      quote: ""
-      unquote: ""
-      preformatted_text: ""
-      wiki_link: ""
-      image: ""
+      strong: "Negrita"
+      italic: "Cursiva"
+      underline: "Subrayado"
+      deleted: "Borrado"
+      code: "Codigo en línea"
+      heading1: "Cabecera 1"
+      heading2: "Cabecera 2"
+      heading3: "Cabecera 3"
+      unordered_list: "Lista Desordenada"
+      ordered_list: "Lista Ordenada"
+      quote: "Comentario"
+      unquote: "Quitar la Cita"
+      preformatted_text: "Texto Preformateado"
+      wiki_link: "Vincular a una página Wiki"
+      image: "Imagen"
     work_packages:
       bulk_actions:
-        move: ''
-        edit: ''
-        copy: ''
-        delete: ''
-      button_clear: ""
-      comment_added: ""
-      comment_send_failed: ""
-      comment_updated: ""
-      confirm_edit_cancel: ""
-      description_filter: ""
-      description_enter_text: ""
-      description_options_hide: ""
-      description_options_show: ""
-      edit_attribute: ""
-      key_value: ""
-      label_enable_multi_select: ""
-      label_disable_multi_select: ""
-      label_filter_add: ""
-      label_filter_by_text: ""
-      label_options: ""
-      label_column_multiselect: ""
-      message_error_during_bulk_delete:
-      message_successful_bulk_delete:
-      message_successful_show_in_fullscreen: ""
-      message_view_spent_time: ""
-      message_work_package_read_only: ""
-      message_work_package_status_blocked: ""
-      placeholder_filter_by_text: ""
+        move: 'Cambio masivo del proyecto'
+        edit: 'Edición en masa'
+        copy: 'Copia en masa'
+        delete: 'Eliminación en masa'
+      button_clear: "Eliminar"
+      comment_added: "El comentario fue agregado con éxito."
+      comment_send_failed: "Ha ocurrido un error. No se pudo enviar el comentario."
+      comment_updated: "El comentario se actualizó correctamente."
+      confirm_edit_cancel: "¿Está seguro que desea cancelar la edición del paquete de trabajo?"
+      description_filter: "Filtro"
+      description_enter_text: "Ingrese texto"
+      description_options_hide: "Ocultar opciones"
+      description_options_show: "Mostrar opciones"
+      edit_attribute: "%{attribute} - Editar"
+      key_value: "%{key}: %{value}"
+      label_enable_multi_select: "Habilitar selección múltiple"
+      label_disable_multi_select: "Deshabilitar selección múltiple"
+      label_filter_add: "Añadir filtro"
+      label_filter_by_text: "Filtrar por texto"
+      label_options: "Opciones"
+      label_column_multiselect: "Campo de lista desplegable combinada: seleccione con las teclas de flecha, confirme la selección con enter, elimine con retroceso"
+      message_error_during_bulk_delete: Ha ocurrido un error intentado eliminar los paquetes de trabajo.
+      message_successful_bulk_delete: Paquetes de trabajo eliminados exitosamente.
+      message_successful_show_in_fullscreen: "Haga clic aquí para abrir este paquete de trabajo en la vista de pantalla completa."
+      message_view_spent_time: "Mostrar el tiempo invertido en este paquete de trabajo"
+      message_work_package_read_only: "El paquete de trabajo está bloqueado en este estado. Excepto el estado, ningún otro atributo se puede modificar."
+      message_work_package_status_blocked: "El estado del paquete de trabajo no permite la escritura porque se asignarán el estado cerrado y la versión cerrada."
+      placeholder_filter_by_text: "Asunto, descripción, comentarios, ..."
       inline_create:
-        title: ''
+        title: 'Haga clic aquí para agregar un nuevo paquete de trabajo a esta lista'
       create:
-        title: ''
-        header: ''
-        header_no_type: ''
-        header_with_parent: ''
-        button: ''
+        title: 'Nuevo paquete de trabajo'
+        header: 'Nuevo %{type}'
+        header_no_type: 'Nuevo paquete de trabajo (tipo aún no establecido)'
+        header_with_parent: 'Nuevo %{type} (Hijo de %{parent_type} #%{id})'
+        button: 'Crear'
       copy:
-        title: ''
+        title: 'Copiar paquete de trabajo'
       hierarchy:
-        show: ""
-        hide: ""
-        toggle_button: ''
-        leaf: ''
-        children_collapsed: ''
-        children_expanded: ''
+        show: "Mostrar modo de jerarquía"
+        hide: "Ocultar modo de jerarquía"
+        toggle_button: 'Haga clic para activar el modo de jerarquía.'
+        leaf: 'Hoja de paquete de trabajo de nivel %{level}.'
+        children_collapsed: 'El nivel de jerarquía %{level} está minimizado. Haga clic para ver los elementos secundarios filtrados'
+        children_expanded: 'El nivel de jerarquía %{level} está ampliado. Haga clic para minimizar los elementos secundarios filtrados'
       faulty_query:
-        title:
-        description:
+        title: No se han podido cargar paquetes de trabajo.
+        description: La vista es errónea y no se pudo procesar.
       no_results:
-        title:
-        description:
-      limited_results:
+        title: No hay paquetes de trabajo para mostrar.
+        description: O bien no se han creado o se filtran todos los paquetes de trabajo.
+      limited_results: En el modo de ordenación manual, solo puede mostrarse un máximo de %{count} paquetes de trabajo. Filtre para reducir el número de resultados, o bien cambie a la ordenación automática.
       property_groups:
-        details: ""
-        people: ""
-        estimatesAndTime: ""
-        other: ""
+        details: "Detalles"
+        people: "Participantes"
+        estimatesAndTime: "Estimados y tiempos"
+        other: "Otros"
       properties:
-        assignee: ""
-        author: ""
-        createdAt: ""
-        description: ""
-        date: ""
-        dueDate: ""
-        estimatedTime: ""
-        spentTime: ""
-        category: ""
-        percentageDone: ""
-        priority: ""
-        projectName: ""
-        responsible: ""
-        startDate: ""
-        status: ""
-        subject: ""
-        subproject: ""
-        title: ""
-        type: ""
-        updatedAt: ""
-        versionName: ""
-        version: ""
+        assignee: "Asignado a"
+        author: "Autor"
+        createdAt: "Creado en"
+        description: "Descripción"
+        date: "Fecha"
+        dueDate: "Fecha de finalización"
+        estimatedTime: "Tiempo estimado"
+        spentTime: "Tiempo empleado"
+        category: "Categoría"
+        percentageDone: "Porcentaje realizado"
+        priority: "Prioridad"
+        projectName: "Proyecto"
+        responsible: "Responsable"
+        startDate: "Fecha de inicio"
+        status: "Estado"
+        subject: "Asunto"
+        subproject: "Subproyecto"
+        title: "Título"
+        type: "Tipo"
+        updatedAt: "Actualizada el"
+        versionName: "Versión"
+        version: "Versión"
       default_queries:
-        latest_activity: ""
-        created_by_me: ""
-        assigned_to_me: ""
-        recently_created: ""
-        all_open: ""
-        summary: ""
+        latest_activity: "Actividad reciente"
+        created_by_me: "Creado por mi usuario"
+        assigned_to_me: "Asignado a mi usuario"
+        recently_created: "Creado recientemente"
+        all_open: "Todo abierto"
+        summary: "Resumen"
       jump_marks:
-        pagination: ""
-        label_pagination: ""
-        content: ""
-        label_content: ""
+        pagination: "Saltar a la paginación de la tabla"
+        label_pagination: "Haga clic aquí para omitir la tabla de paquetes de trabajo e ir a la paginación"
+        content: "Ir al contenido"
+        label_content: "Haga clic aquí para saltar el menú e ir al contenido"
       placeholders:
-        default: ""
-        date: ""
-        formattable: ""
+        default: "-"
+        date: "Seleccionar fecha"
+        formattable: "%{name}: haga clic para editar…"
       query:
-        column_names: ""
-        group_by: ""
-        group: ""
-        group_by_disabled_by_hierarchy: ""
-        hierarchy_disabled_by_group_by: ""
-        sort_ascending: ""
-        sort_descending: ""
-        move_column_left: ""
-        move_column_right: ""
-        hide_column: ""
-        insert_columns: ""
-        filters: ""
-        display_sums: ""
-        confirm_edit_cancel: ""
-        click_to_edit_query_name: ""
-        rename_query_placeholder: ""
-        star_text: ""
+        column_names: "Columnas"
+        group_by: "Resultados de grupo por"
+        group: "Agrupar por"
+        group_by_disabled_by_hierarchy: "La agrupación está deshabilitada, puesto que está activo el modo de jerarquía."
+        hierarchy_disabled_by_group_by: "El modo de jerarquía está deshabilitado, puesto que los resultados se agrupan por %{column}."
+        sort_ascending: "Ordenar ascendente"
+        sort_descending: "Ordenar descendente"
+        move_column_left: "Mover columna a la izquierda"
+        move_column_right: "Mover columna a la derecha"
+        hide_column: "Esconder Columna"
+        insert_columns: "Insertar columnas..."
+        filters: "Filtros"
+        display_sums: "Mostrar sumas"
+        confirm_edit_cancel: "¿Está seguro de que quiere cancelar la edición del nombre de esta vista? El título volverá a establecerse en el valor anterior."
+        click_to_edit_query_name: "Haga clic para editar el título de esta vista."
+        rename_query_placeholder: "Nombre de la vista"
+        star_text: "Marque esta vista como favorita y agréguela a la barra lateral de vistas guardadas de la izquierda."
         public_text: >
-
+          Publique esta vista para que otros usuarios puedan acceder a esta. Los usuarios con el permiso “Administrar vistas públicas” puede modificar o quitar consultas públicas. Esto no afecta a la visibilidad de los resultados de paquetes de trabajo en esa vista y, según sus permisos, los usuarios pueden ver resultados distintos.
         errors:
-          unretrievable_query: ""
-          not_found: ""
-          duplicate_query_title: ""
-        text_no_results: ""
+          unretrievable_query: "No se puede recuperar la vista de la URL"
+          not_found: "No existe la vista"
+          duplicate_query_title: "El nombre de la vista ya existe. ¿Quiere cambiarlo de todos modos?"
+        text_no_results: "No se encontraron vistas que coincidan."
       scheduling:
-        is_parent: ""
-        is_switched_from_manual_to_automatic: ""
+        is_parent: "Las fechas de este paquete de trabajo son deducidas automáticamente de sus hijos. Active 'Programación manual' para establecer las fechas."
+        is_switched_from_manual_to_automatic: "Las fechas de este paquete de trabajo pueden necesitar ser recalculadas después de pasar de programación manual a programación automática debido a las relaciones con otros paquetes de trabajo."
       table:
-        configure_button: ''
-        summary: ""
-        text_inline_edit: ""
-        text_sort_hint: ""
-        text_select_hint: ""
+        configure_button: 'Configurar tabla de paquetes de trabajo'
+        summary: "Tabla con filas de paquetes de trabajo y columnas con sus atributos."
+        text_inline_edit: "Mayoría de las celdas de esta tabla son botones que activan la funcionalidad de edición de dicho atributo."
+        text_sort_hint: "Con los enlaces en los encabezamientos de las tablas puede ordenar, agrupar, reordenar, quitar y añadir columnas de las tablas."
+        text_select_hint: "Los cuadros de selección deben ser abiertos con 'ALT' y las teclas de cursor."
       table_configuration:
-        button: ''
-        choose_display_mode: ''
-        modal_title: ''
-        embedded_tab_disabled: ""
-        default: ""
-        display_settings: ''
-        default_mode: ""
-        hierarchy_mode: ""
-        hierarchy_hint: ""
-        display_sums_hint: ""
-        show_timeline_hint: ""
-        highlighting: ''
+        button: 'Configurar esta tabla de paquetes de trabajo'
+        choose_display_mode: 'Mostrar paquetes de trabajo como'
+        modal_title: 'Configuración de tabla de paquetes de trabajo'
+        embedded_tab_disabled: "Esta pestaña de configuración no está disponible para la vista insertada que está editando."
+        default: "por defecto"
+        display_settings: 'Configuración de visualización'
+        default_mode: "Lista plana"
+        hierarchy_mode: "Jerarquía"
+        hierarchy_hint: "Todos los resultados de la tabla filtrada se aumentarán con sus antecesores. Las jerarquías se pueden expandir y contraer."
+        display_sums_hint: "Muestra las sumas de todos los atributos que pueden sumarse en una fila debajo de los resultados de la tabla."
+        show_timeline_hint: "Muestra un diagrama de Gantt interactivo en la parte derecha de la tabla. Para cambiar el ancho, arrastre la línea divisoria entre la tabla y el diagrama de Gantt."
+        highlighting: 'Resaltado'
         highlighting_mode:
-          description: ""
-          none: ""
-          inline: ''
-          inline_all: ''
-          entire_row_by: ''
-          status: ''
-          priority: ''
-          type: ''
+          description: "Resaltar con color"
+          none: "Sin resaltado"
+          inline: 'Atributos resaltados'
+          inline_all: 'Todos los atributos'
+          entire_row_by: 'Toda la fila por'
+          status: 'Estado'
+          priority: 'Prioridad'
+          type: 'Tipo'
         sorting_mode:
-          description: ''
-          automatic: ''
-          manually: ''
-          warning: ''
-        columns_help_text: ""
+          description: 'Seleccione el modo de ordenación de los paquetes de trabajo:'
+          automatic: 'Automático'
+          manually: 'Manual'
+          warning: 'Al activar el modo de ordenación automática, se perderá la ordenación actual.'
+        columns_help_text: "Use el campo de entrada anterior para añadir columnas a la vista de tabla. Puede arrastrar y colocar las columnas para cambiar el orden."
         upsale:
-          attribute_highlighting: ''
-          relation_columns: ''
-          check_out_link: ''
+          attribute_highlighting: '¿Necesita que algunos paquetes de trabajo destaquen del resto?'
+          relation_columns: '¿Necesita ver las relaciones en la lista del paquete de trabajo?'
+          check_out_link: 'Vea la versión Enterprise Edition.'
         relation_filters:
-          filter_work_packages_by_relation_type: ''
+          filter_work_packages_by_relation_type: 'Filtrar paquetes de trabajo por tipo de relación'
       tabs:
-        overview:
-        activity:
-        relations:
-        watchers:
-        attachments:
+        overview: Resumen
+        activity: Actividad
+        relations: Relaciones
+        watchers: Controladores
+        files: Archivos
       time_relative:
-        days: ""
-        weeks: ""
-        months: ""
+        days: "días"
+        weeks: "semanas"
+        months: "meses"
     toolbar:
       settings:
-        configure_view: ""
-        columns: ""
-        sort_by: ""
-        group_by: ""
-        display_sums: ""
-        display_hierarchy: ""
-        hide_hierarchy: ""
-        hide_sums: ""
-        save: ""
-        save_as: ""
-        export: ""
-        visibility_settings: ""
-        page_settings: ""
-        delete: ""
-      filter: ""
-      unselected_title: ""
-      search_query_label: ""
-      search_query_title: ""
-      placeholder_query_title: ""
+        configure_view: "Configurar vista…"
+        columns: "Columnas ..."
+        sort_by: "Ordenado por ..."
+        group_by: "Agrupar por ..."
+        display_sums: "Mostrar sumas"
+        display_hierarchy: "Mostrar jerarquía"
+        hide_hierarchy: "Ocultar jerarquía"
+        hide_sums: "Ocultar las sumas"
+        save: "Guardar"
+        save_as: "Guardar como ..."
+        export: "Exportar ..."
+        visibility_settings: "Configuración de visibilidad…"
+        page_settings: "Cambiar nombre de vista…"
+        delete: "Borrar"
+      filter: "Filtro"
+      unselected_title: "Paquete de trabajo"
+      search_query_label: "Buscar vistas guardadas"
+      search_query_title: "Haga clic para buscar las vistas guardadas"
+      placeholder_query_title: "Establecer un título para esta vista"
     modals:
-      label_settings: ""
-      label_name: ""
-      label_delete_page: ""
-      button_apply: ""
-      button_save: ""
-      button_submit: ""
-      button_cancel: ""
+      label_settings: "Cambiar nombre de vista"
+      label_name: "Nombre"
+      label_delete_page: "Borrar página actual"
+      button_apply: "Aplicar"
+      button_save: "Guardar"
+      button_submit: "Enviar"
+      button_cancel: "Cancelar"
       form_submit:
-        title: ''
-        text: ''
+        title: 'Confirme para continuar'
+        text: '¿Estás seguro/a de que desea realizar esta acción?'
       destroy_work_package:
-        title: ""
-        text: ""
-        has_children: ""
-        confirm_deletion_children: ""
-        deletes_children: ""
+        title: "Confirmar la eliminación de %{label}"
+        text: "¿Está seguro de que quiere eliminar la siguiente %{label} ?"
+        has_children: "El paquete de trabajo tiene %{childUnits}:"
+        confirm_deletion_children: "Reconozco que TODOS los descendientes de los paquetes de trabajo enumerados se eliminarán recursivamente."
+        deletes_children: "También se eliminarán de forma recursiva todos los paquetes de trabajo secundarios y sus descendientes."
       destroy_time_entry:
-        title: ""
-        text: ""
-    notice_no_results_to_display: ""
-    notice_successful_create: ""
-    notice_successful_delete: ""
-    notice_successful_update: ""
-    notice_job_started: ""
-    notice_bad_request: ""
+        title: "Confirmar la eliminación de la entrada de tiempo"
+        text: "¿Realmente quiere eliminar la siguiente entrada de tiempo?"
+    notice_no_results_to_display: "No se pueden mostrar resultados visibles."
+    notice_successful_create: "Creación exitosa."
+    notice_successful_delete: "Eliminado con éxito."
+    notice_successful_update: "Actualización correcta."
+    notice_job_started: "trabajo iniciado."
+    notice_bad_request: "Petición incorrecta."
     relations:
-      empty:
-      remove:
+      empty: No existen relaciones
+      remove: Eliminar la relación
     inplace:
-      button_edit: ""
-      button_save: ""
-      button_cancel: ""
-      button_save_all: ""
-      button_cancel_all: ""
-      link_formatting_help: ""
-      btn_preview_enable: ""
-      btn_preview_disable: ""
-      null_value_label: ""
-      clear_value_label: ""
+      button_edit: "%{attribute}: editar"
+      button_save: "%{attribute}: guardar"
+      button_cancel: "%{attribute}: cancelar"
+      button_save_all: "Guardar"
+      button_cancel_all: "Cancelar"
+      link_formatting_help: "Ayuda para el formato del texto"
+      btn_preview_enable: "Vista preliminar"
+      btn_preview_disable: "Desactivar la vista previa"
+      null_value_label: "Sin valor"
+      clear_value_label: "-"
       errors:
-        required: ''
-        number: ''
-        maxlength: ''
-        minlength: ''
-        messages_on_field: ''
-    error_could_not_resolve_version_name: ""
-    error_could_not_resolve_user_name: ""
-    error_attachment_upload: ""
-    error_attachment_upload_permission: ""
+        required: '%{field} no puede estar vacío'
+        number: '%{field} no es un número válido'
+        maxlength: '%{field} no puede contener más de %{maxLength} dígito(s)'
+        minlength: '%{field} no puede contener menos de %{minLength} dígito(s)'
+        messages_on_field: 'Este campo no es válido: %{messages}'
+    error_could_not_resolve_version_name: "No se puede resolver el nombre de la versión"
+    error_could_not_resolve_user_name: "No se pudo identificar el nombre de usuario"
+    error_attachment_upload: "Error de subida de archivo: %{error}"
+    error_attachment_upload_permission: "No tiene permiso para cargar archivos en este recurso."
     units:
       workPackage:
-        one: ""
-        other: ""
+        one: "paquete de trabajo"
+        other: "paquetes de trabajo"
       child_work_packages:
-        one: ""
-        other: ""
+        one: "un paquete de trabajo secundario"
+        other: "%{count} paquetes de trabajo secundarios"
       hour:
-        one: ""
-        other: ""
-        zero: ""
+        one: "1 h"
+        other: "%{count} h"
+        zero: "0 h"
     zen_mode:
-      button_activate: ''
-      button_deactivate: ''
+      button_activate: 'Activar modo «zen»'
+      button_deactivate: 'Desactivar modo «zen»'
     global_search:
-      all_projects: ""
-      search: ""
-      close_search: ""
-      current_project: ""
-      current_project_and_all_descendants: ""
+      all_projects: "En todos los proyectos"
+      search: "Buscar"
+      close_search: "Cerrar búsqueda"
+      current_project: "En este proyecto"
+      current_project_and_all_descendants: "En este proyecto + subproyectos"
       title:
-        all_projects: ""
-        project_and_subprojects: ""
-        search_for: ""
+        all_projects: "todos los proyectos"
+        project_and_subprojects: "y todos los subproyectos"
+        search_for: "Búsqueda por"
     views:
-      card: ''
-      list: ''
-      timeline: ''
+      card: 'Tarjetas'
+      list: 'Tabla'
+      timeline: 'Gantt'
     invite_user_modal:
-      back: ''
-      invite: ''
+      back: 'Atrás'
+      invite: 'Invitar'
       title:
-        invite: ''
-        invite_to_project: ''
-        User: ''
-        Group: ''
-        PlaceholderUser: ''
-        invite_principal_to_project: ''
+        invite: 'Invitar usuario'
+        invite_to_project: 'Invitar a %{type} a %{project}'
+        User: 'usuario'
+        Group: 'grupo'
+        PlaceholderUser: 'usuario de marcador de posición'
+        invite_principal_to_project: 'Invitar a %{principal} a %{project}'
       project:
-        label: ''
-        required: ''
-        lacking_permission: ''
-        lacking_permission_info: ''
-        next_button: ''
-        no_results: ''
-        no_invite_rights: ''
+        label: 'Proyecto'
+        required: 'Seleccione un proyecto'
+        lacking_permission: 'Seleccione otro proyecto, ya que no tiene permiso para asignar usuarios al proyecto actual.'
+        lacking_permission_info: 'No tiene permiso para asignar usuarios al proyecto actual. Necesita seleccionar otro proyecto.'
+        next_button: 'Siguiente'
+        no_results: 'No se encontraron proyectos'
+        no_invite_rights: 'No tiene permiso para invitar a miembros a este proyecto'
       type:
-        required: ''
+        required: 'Seleccione el tipo de miembro al que invitará'
         user:
-          title: ''
-          description: ''
+          title: 'Usuario'
+          description: 'Permisos basados en el rol asignado en el proyecto seleccionado'
         group:
-          title: ''
-          description: ''
+          title: 'Grupo'
+          description: 'Permisos basados en el rol asignado en el proyecto seleccionado'
         placeholder:
-          title: ''
-          title_no_ee: ''
-          description: ''
-          description_no_ee: ''
+          title: 'Usuario de marcador de posición'
+          title_no_ee: 'Usuario de marcador de posición (característica solo disponible en Enterprise Edition)'
+          description: 'No tiene acceso al proyecto y no se enviarán correos electrónicos.'
+          description_no_ee: 'No tiene acceso al proyecto y no se enviarán correos electrónicos. <br>Consulte <a href="%{eeHref}" target="_blank">Enterprise Edition</a>'
       principal:
         label:
-          name_or_email: ''
-          name: ''
-        already_member_message: ''
-        no_results_user: ''
-        invite_user: ''
-        no_results_placeholder: ''
-        create_new_placeholder: ''
-        no_results_group: ''
-        next_button: ''
+          name_or_email: 'Nombre o dirección de correo electrónico'
+          name: 'Nombre'
+        already_member_message: 'Ya es miembro de %{project}'
+        no_results_user: 'No se encontraron usuarios'
+        invite_user: 'Invitar:'
+        no_results_placeholder: 'No se encontraron marcadores de posición'
+        create_new_placeholder: 'Crear marcador de posición:'
+        no_results_group: 'No se encontraron grupos'
+        next_button: 'Siguiente'
         required:
-          user: ''
-          placeholder: ''
-          group: ''
+          user: 'Seleccione un usuario'
+          placeholder: 'Seleccione un marcador de posición'
+          group: 'Seleccione un grupo'
       role:
-        label: ''
-        no_roles_found: ''
-        description: ''
-        required: ''
-        next_button: ''
+        label: 'Rol en %{project}'
+        no_roles_found: 'No se encontraron roles'
+        description: 'Este es el rol que %{principal} recibirá al unirse al proyecto. El rol define las acciones que pueden realizar y la información que pueden ver. <a href="https://docs.openproject.org/system-admin-guide/users-permissions/roles-permissions/#roles-and-permissions" target="_blank"> Obtenga más información sobre roles y permisos. </a>'
+        required: 'Seleccione un rol'
+        next_button: 'Siguiente'
       message:
-        label: ''
-        description: ''
-        next_button: ''
+        label: 'Mensaje de invitación'
+        description: 'Enviaremos un correo electrónico a %{principal} (puede añadir un mensaje personal aquí). Una explicación sobre la invitación podría ser útil, o bien información básica sobre el proyecto para ayudarles a empezar.'
+        next_button: 'Revisar invitación'
       summary:
-        next_button: ''
+        next_button: 'Enviar invitación'
       success:
-        title: ''
+        title: 'Se envió la invitación a %{principal}'
         description:
-          user: ''
-          placeholder: ''
-          group: ''
-        next_button: ''
+          user: 'El usuario ya puede iniciar sesión para acceder a %{project}. Mientras tanto, puede crear planes con ese usuario y asignarle paquetes de trabajo.'
+          placeholder: 'El marcador de posición ya puede usarse en %{project}. Mientras tanto, puede crear planes con ese usuario y asignarle paquetes de trabajo.'
+          group: 'El grupo ya forma parte de %{project}. Mientras tanto, puede crear planes con ese grupo y asignar paquetes de trabajo a este.'
+        next_button: 'Continuar'
     include_projects:
-      toggle_title: ''
-      title: ''
-      clear_selection: ''
-      apply: ''
+      toggle_title: 'Include Projects'
+      title: 'Proyectos'
+      clear_selection: 'Clear selection'
+      apply: 'Aplicar'
       selected_filter:
-        all: ''
-        selected: ''
-      search_placeholder: ''
+        all: 'Todos los proyectos'
+        selected: 'Only selected'
+      search_placeholder: 'Search project...'
     forms:
-      submit_success_message: ''
-      load_error_message: ''
-      validation_error_message: ''
-      advanced_settings: ''
+      submit_success_message: 'El formulario se envió correctamente'
+      load_error_message: 'Se produjo un error al cargar el formulario'
+      validation_error_message: 'Corrija los errores del formulario'
+      advanced_settings: 'Ajustes avanzados'
+    spot:
+      filter_chip:
+        remove: 'Eliminar'
+      drop_modal:
+        Close: 'Cerrar'
diff --git a/config/locales/crowdin/js-et.yml b/config/locales/crowdin/js-et.yml
index dbc2e8e389..a0c6676925 100644
--- a/config/locales/crowdin/js-et.yml
+++ b/config/locales/crowdin/js-et.yml
@@ -24,6 +24,7 @@ et:
     ajax:
       hide: "Peida"
       loading: "Laadimine ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ et:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Väljad"
-    label_attachments: Failid
+    label_attachments: Manused
     label_drop_files: Drop files here
     label_drop_files_hint: or click to add files
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ et:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ et:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ et:
         activity: Tegevus
         relations: Seosed
         watchers: Jälgijad
-        attachments: Manused
+        files: Failid
       time_relative:
         days: "päeva"
         weeks: "nädalat"
@@ -1171,3 +1178,8 @@ et:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Täpsemad seaded'
+    spot:
+      filter_chip:
+        remove: 'Eemalda'
+      drop_modal:
+        Close: 'Sulge'
diff --git a/config/locales/crowdin/js-fa.yml b/config/locales/crowdin/js-fa.yml
index e46b07ab47..4662358c8f 100644
--- a/config/locales/crowdin/js-fa.yml
+++ b/config/locales/crowdin/js-fa.yml
@@ -24,6 +24,7 @@ fa:
     ajax:
       hide: "Hide"
       loading: "در حال بارگذاری ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ fa:
     label_starred_queries: "نمای مورد علاقه"
     label_global_queries: "نمای عمومی"
     label_custom_queries: "نمای شخصی"
-    label_create_new_query: "ایجاد جدید"
     label_columns: "ستون‌ها"
-    label_attachments: Files
+    label_attachments: Attachments
     label_drop_files: پرونده را اینجا رها کنید
     label_drop_files_hint: یا برای افزودن فابل کلیک کنید
     label_drop_folders_hint: لطفا یک فایل انتخاب کنید. شما نمیتوانید یک فولدر را ارسال کنید.
@@ -499,7 +499,8 @@ fa:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ fa:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "اطلاعیه خوانده نشده‌ای وجود ندارد"
@@ -984,11 +991,11 @@ fa:
         relation_filters:
           filter_work_packages_by_relation_type: 'Filter work packages by relation type'
       tabs:
-        overview: Overview
+        overview: نمای کلی
         activity: فعالیت
         relations: Relations
         watchers: Watchers
-        attachments: Attachments
+        files: Files
       time_relative:
         days: "days"
         weeks: "weeks"
@@ -1171,3 +1178,8 @@ fa:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/locales/crowdin/js-fi.yml b/config/locales/crowdin/js-fi.yml
index 82689a7bb9..d6217e097e 100644
--- a/config/locales/crowdin/js-fi.yml
+++ b/config/locales/crowdin/js-fi.yml
@@ -24,6 +24,7 @@ fi:
     ajax:
       hide: "Piilota"
       loading: "Ladataan..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ fi:
     label_starred_queries: "Suosikkinäkymät"
     label_global_queries: "Julkiset näkymät"
     label_custom_queries: "Yksityiset näkymät"
-    label_create_new_query: "Create new"
     label_columns: "Sarakkeet"
-    label_attachments: Tiedostot
+    label_attachments: Liitteet
     label_drop_files: Raahaa ja pudota tiedostoja tähän
     label_drop_files_hint: tai klikkaa lisätäksesi tiedostoja
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ fi:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ fi:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ fi:
         activity: Tapahtumat
         relations: Riippuvuudet
         watchers: Seuraajat
-        attachments: Liitteet
+        files: Tiedostot
       time_relative:
         days: "päivää"
         weeks: "viikkoa"
@@ -1067,7 +1074,7 @@ fi:
     units:
       workPackage:
         one: "work package"
-        other: "work packages"
+        other: "tehtävät"
       child_work_packages:
         one: "one child work package"
         other: "%{count} work package children"
@@ -1171,3 +1178,8 @@ fi:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Lisäasetukset'
+    spot:
+      filter_chip:
+        remove: 'Poista'
+      drop_modal:
+        Close: 'Sulje'
diff --git a/config/locales/crowdin/js-fil.yml b/config/locales/crowdin/js-fil.yml
index 46efff5d8f..0cd7811c7e 100644
--- a/config/locales/crowdin/js-fil.yml
+++ b/config/locales/crowdin/js-fil.yml
@@ -24,6 +24,7 @@ fil:
     ajax:
       hide: "Itago"
       loading: "Naglo-load ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ fil:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Mga hanay"
-    label_attachments: Mga file
+    label_attachments: Mga kalakip
     label_drop_files: Ihulog ang mga file dito
     label_drop_files_hint: o pindutin upang magdagdag ng mga file
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ fil:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ fil:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ fil:
         activity: Aktibidad
         relations: Mga relasyon
         watchers: Manonood
-        attachments: Mga kalakip
+        files: Mga file
       time_relative:
         days: "mga araw"
         weeks: "mga linggo"
@@ -1171,3 +1178,8 @@ fil:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Naka-advance ang mga setting'
+    spot:
+      filter_chip:
+        remove: 'Tanggalin'
+      drop_modal:
+        Close: 'Isara'
diff --git a/config/locales/crowdin/js-fr.yml b/config/locales/crowdin/js-fr.yml
index 0d415220f6..962c5e47ea 100644
--- a/config/locales/crowdin/js-fr.yml
+++ b/config/locales/crowdin/js-fr.yml
@@ -24,6 +24,7 @@ fr:
     ajax:
       hide: "Masquer"
       loading: "Chargement…"
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Faites glisser le champ de l'éditeur pour incorporer une image ou une pièce jointe de référence. Les champs fermés de l'éditeur seront ouverts tant que vous continuer à faire glisser.
@@ -453,7 +454,6 @@ fr:
     label_starred_queries: "Vue préférées"
     label_global_queries: "Vues publiques"
     label_custom_queries: "Vues privées"
-    label_create_new_query: "Créer nouveau"
     label_columns: "Colonnes"
     label_attachments: Fichiers
     label_drop_files: Déposez des fichiers ici
@@ -499,7 +499,8 @@ fr:
           task_board: "Le tableau des tâches visualise la <b>progression pour ce sprint</b>. Cliquez sur l'icône plus (+) à côté d'un récit utilisateur pour ajouter de nouvelles tâches ou obstacles. <br> Le statut peut être mis à jour par glisser-déposer."
         boards:
           overview: 'Sélectionnez <b>tableaux</b> pour déplacer la vue et gérer votre projet en utilisant la vue des tableaux agiles.'
-          lists: 'Ici, vous pouvez créer plusieurs listes (colonnes) dans votre tableau. Cette fonctionnalité vous permet de créer un <b>tableau Kanban</b>, par exemple.'
+          lists_kanban: 'Ici, vous pouvez créer plusieurs listes (colonnes) dans votre tableau. Cette fonctionnalité vous permet de créer un <b>tableau Kanban</b>, par exemple.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Cliquez sur l''icône plus (+) pour <b>créer une nouvelle carte</b> ou <b>ajouter une carte existante</b> à la liste du tableau.'
           drag: 'Glissez et déposez vos cartes dans une liste donnée pour les réorganiser, ou pour les déplacer dans une autre liste. <br> Vous pouvez cliquer sur l''icône (i) dans le coin supérieur droit ou double-cliquer sur une carte pour ouvrir ses détails.'
         wp:
@@ -510,6 +511,12 @@ fr:
           create_button: 'La touche <b>+ Créer</b> ajoutera un nouveau lot de travaux à votre projet.'
           timeline_button: 'Vous pouvez activer la vue <b>Diagramme de Gantt</b> pour créer une chronologie pour votre projet.'
           timeline: 'Ici vous pouvez <b>modifier votre plan de projet</b>, créer de nouveaux lots de travaux, comme des tâches, des jalons, des phases et plus, ainsi que <b>ajouter des dépendances</b>. Tous les membres de l''équipe peuvent voir et mettre à jour le plan le plus récent à tout moment.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "Pas de notification non lue"
@@ -988,7 +995,7 @@ fr:
         activity: Activité
         relations: Relations
         watchers: Observateurs
-        attachments: Fichiers
+        files: Fichiers
       time_relative:
         days: "jours"
         weeks: "semaines"
@@ -1163,7 +1170,7 @@ fr:
       clear_selection: 'Clear selection'
       apply: 'Appliquer'
       selected_filter:
-        all: 'All projects'
+        all: 'Tous les projets'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1171,3 +1178,8 @@ fr:
       load_error_message: 'Une erreur s''est produite lors du chargement du formulaire'
       validation_error_message: 'Veuillez corriger les erreurs présentes dans le formulaire'
       advanced_settings: 'Paramètres avancés'
+    spot:
+      filter_chip:
+        remove: 'Supprimer'
+      drop_modal:
+        Close: 'Fermer'
diff --git a/config/locales/crowdin/js-he.yml b/config/locales/crowdin/js-he.yml
index 5407293086..8676a2936a 100644
--- a/config/locales/crowdin/js-he.yml
+++ b/config/locales/crowdin/js-he.yml
@@ -24,6 +24,7 @@ he:
     ajax:
       hide: "הסתר"
       loading: "טוען ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ he:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "עמודות"
-    label_attachments: קבצים
+    label_attachments: קבצים מצורפים
     label_drop_files: Drop files here
     label_drop_files_hint: or click to add files
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ he:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ he:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -990,7 +997,7 @@ he:
         activity: פעילות
         relations: קשרים
         watchers: צופים
-        attachments: קבצים מצורפים
+        files: קבצים
       time_relative:
         days: "ימים"
         weeks: "שבועות"
@@ -1177,3 +1184,8 @@ he:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'סגור'
diff --git a/config/locales/crowdin/js-hi.yml b/config/locales/crowdin/js-hi.yml
index 4bd7419eb2..4aedc6d7fe 100644
--- a/config/locales/crowdin/js-hi.yml
+++ b/config/locales/crowdin/js-hi.yml
@@ -24,6 +24,7 @@ hi:
     ajax:
       hide: "छुपाएँ"
       loading: "लोड हो रहा है..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ hi:
     label_starred_queries: "Favorite views"
     label_global_queries: "सार्वजनिक दृश्य"
     label_custom_queries: "निजी दृश्य"
-    label_create_new_query: "Create new"
     label_columns: "स्तंभ"
-    label_attachments: फ़ाइलें
+    label_attachments: Attachments
     label_drop_files: Drop files here
     label_drop_files_hint: or click to add files
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ hi:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ hi:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ hi:
         activity: गतिविधी
         relations: Relations
         watchers: वॉचर
-        attachments: Attachments
+        files: फ़ाइलें
       time_relative:
         days: "days"
         weeks: "weeks"
@@ -1171,3 +1178,8 @@ hi:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'बंद करें'
diff --git a/config/locales/crowdin/js-hr.yml b/config/locales/crowdin/js-hr.yml
index afc126ce08..c1e8e91991 100644
--- a/config/locales/crowdin/js-hr.yml
+++ b/config/locales/crowdin/js-hr.yml
@@ -24,6 +24,7 @@ hr:
     ajax:
       hide: "Sakrij"
       loading: "Učitavanje ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ hr:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Stupci"
-    label_attachments: Datoteke
+    label_attachments: Prilozi
     label_drop_files: Ovdje dodajte datoteke
     label_drop_files_hint: ili odaberite za dodavanje datoteka
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ hr:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ hr:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -989,7 +996,7 @@ hr:
         activity: Aktivnost
         relations: Relacije
         watchers: Nadglednici
-        attachments: Prilozi
+        files: Datoteke
       time_relative:
         days: "dani"
         weeks: "tjedana"
@@ -1174,3 +1181,8 @@ hr:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Napredne postavke'
+    spot:
+      filter_chip:
+        remove: 'Ukloni'
+      drop_modal:
+        Close: 'Zatvori'
diff --git a/config/locales/crowdin/js-hu.yml b/config/locales/crowdin/js-hu.yml
index 8749a7da5b..9fb52fe8d9 100644
--- a/config/locales/crowdin/js-hu.yml
+++ b/config/locales/crowdin/js-hu.yml
@@ -24,6 +24,7 @@ hu:
     ajax:
       hide: "Elrejt"
       loading: "Betöltés folyamatban… ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Húzza át a szerkesztőmezőt a beillesztett képre vagy hivatkozási mellékletre. Zárt szerkesztőmezők nyílnak meg, amíg húzza.
@@ -456,9 +457,8 @@ hu:
     label_starred_queries: "Kedvenc nézetek"
     label_global_queries: "Publikus nézetek"
     label_custom_queries: "Privát nézetek"
-    label_create_new_query: "Új létrehozása"
     label_columns: "Oszlopok"
-    label_attachments: Fájlok
+    label_attachments: Csatolmány
     label_drop_files: Húzza a fájlokat ide
     label_drop_files_hint: vagy kattintson a fájlok hozzáadásához
     label_drop_folders_hint: Nem tölthet fel mappákat mellékletként. Válasszon egyetlen fájlt.
@@ -502,7 +502,8 @@ hu:
           task_board: "A feladattábla megjeleníti <b> a sprint haladását </b>. Új feladatok vagy akadályok hozzáadásához kattintson a felhasználói történet melletti plusz (+) ikonra. <br> Az állapot húzással frissíthető.\n"
         boards:
           overview: "Válassza a <b>táblák</b> lehetőséget a nézetváltáshoz, és kezelje projektjét az agilis táblák nézetben.\n"
-          lists: "Itt több listát (oszlopot) hozhat létre a táblán belül. Ezzel a funkcióval például <b> Kanban táblát </b> hozhat létre.\n"
+          lists_kanban: "Itt több listát (oszlopot) hozhat létre a táblán belül. Ezzel a funkcióval például <b> Kanban táblát </b> hozhat létre.\n"
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: "Kattintson a plusz (+) ikonra, ha <b> új kártyát szeretne létrehozni </b>, vagy <b> hozzáadni egy meglévő kártyát </b> a táblán lévő listához.\n"
           drag: 'Egy adott listán belül húzza a kártyákat, hogy átrendezze őket, vagy áthelyezze őket egy másik listába. <br> A jobb felső sarokban található információs (i) ikonra kattintva vagy egy kártyára duplán kattintva megnyithatja annak részleteit.'
         wp:
@@ -513,6 +514,12 @@ hu:
           create_button: 'A <b>Létrehoz</b> gombbal tudsz új feladatot hozzáadni a projekthez.'
           timeline_button: 'Aktiválhatja a <b>Gantt-diagramot</b>, hogy létrehozzon egy idővonalat a projekthez.'
           timeline: "Itt <b> szerkesztheti projekttervét </b>, új munkacsomagokat hozhat létre, például feladatokat, mérföldköveket, fázisokat és egyebeket, valamint <b> hozzáadhat függőségeket </b>. A csapat minden tagja bármikor láthatja és frissítheti a legújabb tervet.\n"
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Értesítések"
       no_unread: "Nincs olvasatlan értesítés"
@@ -993,7 +1000,7 @@ hu:
         activity: Tevékenység
         relations: Kapcsolatok
         watchers: Megfigyelők
-        attachments: Csatolmány
+        files: Fájlok
       time_relative:
         days: "nap"
         weeks: "Hetek"
@@ -1168,7 +1175,7 @@ hu:
       clear_selection: 'Clear selection'
       apply: 'Alkalmaz'
       selected_filter:
-        all: 'All projects'
+        all: 'Minden projekt'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1176,3 +1183,8 @@ hu:
       load_error_message: 'Hiba történt az eredmény betöltésekor.'
       validation_error_message: "Kérjük, javítsa ki az űrlapon található hibákat\n"
       advanced_settings: 'Speciális beállítások'
+    spot:
+      filter_chip:
+        remove: 'Eltávolítás'
+      drop_modal:
+        Close: 'Bezár'
diff --git a/config/locales/crowdin/js-id.yml b/config/locales/crowdin/js-id.yml
index ea291b6314..67ad351887 100644
--- a/config/locales/crowdin/js-id.yml
+++ b/config/locales/crowdin/js-id.yml
@@ -24,6 +24,7 @@ id:
     ajax:
       hide: "Sembunyikan"
       loading: "Loading ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag pada kotak editor untuk memasukan gambar atau referensikan lampiran. kotak editor akan tetap terbuka saat anda masih melakukan drag.
@@ -453,9 +454,8 @@ id:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Kolom"
-    label_attachments: File
+    label_attachments: Lampiran
     label_drop_files: Drop file di sini
     label_drop_files_hint: atau klik untuk menambahkan
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ id:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ id:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -987,7 +994,7 @@ id:
         activity: Activity
         relations: Relasi
         watchers: Pemantau
-        attachments: Lampiran
+        files: File
       time_relative:
         days: "hari"
         weeks: "minggu"
@@ -1168,3 +1175,8 @@ id:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'Tutup'
diff --git a/config/locales/crowdin/js-it.yml b/config/locales/crowdin/js-it.yml
index c405014775..df4ac2ab1c 100644
--- a/config/locales/crowdin/js-it.yml
+++ b/config/locales/crowdin/js-it.yml
@@ -24,6 +24,7 @@ it:
     ajax:
       hide: "Nascondi"
       loading: "Caricamento ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Trascina l'elemento nei campi dell'editor per allineare l'immagine o il riferimento allegato. I campi dell'editor chiusi verranno sbloccati durante il trascinamento.
@@ -454,9 +455,8 @@ it:
     label_starred_queries: "Viste preferite"
     label_global_queries: "Viste pubbliche"
     label_custom_queries: "Viste private"
-    label_create_new_query: "Crea nuovo"
     label_columns: "Colonne"
-    label_attachments: File
+    label_attachments: Allegati
     label_drop_files: Trascina i file qui
     label_drop_files_hint: o fai clic per aggiungere file
     label_drop_folders_hint: Non è possibile caricare cartelle come allegati. Si prega di selezionare singoli file.
@@ -500,7 +500,8 @@ it:
           task_board: "Il pannello delle attività visualizza l'<b>avanzamento dello sprint</b>. Fai clic sull'icona più (+) accanto a una storia utente per aggiungere nuove attività o impedimenti. <br> Lo stato può essere aggiornato trascinandolo."
         boards:
           overview: 'Seleziona <b>board</b> per cambiare visualizzazione e gestire il tuo progetto utilizzando la visualizzazione agile delle schede.'
-          lists: 'Qui puoi creare più liste  (colonne) all''interno della tua board. Questa funzione ti consente di creare una <b>board Kanban</b>, ad esempio.'
+          lists_kanban: 'Qui puoi creare più liste  (colonne) all''interno della tua board. Questa funzione ti consente di creare una <b>board Kanban</b>, ad esempio.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Fai clic sull''icona più (+) per <b>creare una nuova scheda</b> o <b>aggiungere una scheda esistente</b> all''elenco sulla board.'
           drag: 'Trascina e rilascia le tue schede all''interno di un determinato elenco per riordinarle o per spostarle in un altro elenco. <br> Puoi fare clic sull''icona delle informazioni (i) nell''angolo in alto a destra o fare doppio clic su una scheda per aprirne i dettagli.'
         wp:
@@ -511,6 +512,12 @@ it:
           create_button: 'Il pulsante <b>+ Crea</b> aggiungerà una nuova macro-attività al tuo progetto.'
           timeline_button: 'Puoi attivare la vista <b>Diagramma di Gantt</b> per creare una linea del tempo per il tuo progetto.'
           timeline: 'Qui puoi <b>modificare il tuo piano di progetto</b>, creare nuove macro-attività, come attività, pietre miliari, fasi e altro, nonché <b>aggiungere dipendenze</b>. Tutti i membri del team possono visualizzare e aggiornare il piano più recente in qualsiasi momento.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifiche"
       no_unread: "Nessuna nuova notifica"
@@ -989,7 +996,7 @@ it:
         activity: Attività
         relations: Relazioni
         watchers: Osservatori
-        attachments: Allegati
+        files: File
       time_relative:
         days: "giorni"
         weeks: "Settimane"
@@ -1164,7 +1171,7 @@ it:
       clear_selection: 'Clear selection'
       apply: 'Applica'
       selected_filter:
-        all: 'All projects'
+        all: 'Tutti i progetti'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1172,3 +1179,8 @@ it:
       load_error_message: 'Si è verificato un errore caricando il modulo'
       validation_error_message: 'Sei pregato di risolvere gli errori presenti nel modulo'
       advanced_settings: 'Impostazioni avanzate'
+    spot:
+      filter_chip:
+        remove: 'Rimuovi'
+      drop_modal:
+        Close: 'Chiuso'
diff --git a/config/locales/crowdin/js-ja.yml b/config/locales/crowdin/js-ja.yml
index 7e2001719b..8813a814c9 100644
--- a/config/locales/crowdin/js-ja.yml
+++ b/config/locales/crowdin/js-ja.yml
@@ -24,6 +24,7 @@ ja:
     ajax:
       hide: "非表示"
       loading: "ロード中..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         インライン画像または参照添付ファイルをエディタ領域にドラッグします。
@@ -454,9 +455,8 @@ ja:
     label_starred_queries: "お気に入りのビュー"
     label_global_queries: "パブリックビュー"
     label_custom_queries: "プライベートビュー"
-    label_create_new_query: "新規作成"
     label_columns: "列"
-    label_attachments: ファイルを添付する
+    label_attachments: 添付ファイル
     label_drop_files: ここにファイルをドロップ
     label_drop_files_hint: またはクリックしてファイルを追加する
     label_drop_folders_hint: フォルダを添付ファイルとしてアップロードすることはできません。 単一のファイルを選択してください。
@@ -500,7 +500,8 @@ ja:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -511,6 +512,12 @@ ja:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -990,7 +997,7 @@ ja:
         activity: 活動
         relations: 関係
         watchers: ウォッチャー
-        attachments: 添付ファイル
+        files: ファイルを添付する
       time_relative:
         days: "日"
         weeks: "週"
@@ -1163,7 +1170,7 @@ ja:
       clear_selection: 'Clear selection'
       apply: '適用'
       selected_filter:
-        all: 'All projects'
+        all: 'すべてのプロジェクト'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1171,3 +1178,8 @@ ja:
       load_error_message: 'フォームの読み込み中にエラーが発生しました'
       validation_error_message: 'フォームに存在するエラーを修正してください'
       advanced_settings: '詳細設定'
+    spot:
+      filter_chip:
+        remove: '削除'
+      drop_modal:
+        Close: '閉じる'
diff --git a/config/locales/crowdin/js-ko.yml b/config/locales/crowdin/js-ko.yml
index f6fdedb959..5e0da95e81 100644
--- a/config/locales/crowdin/js-ko.yml
+++ b/config/locales/crowdin/js-ko.yml
@@ -24,6 +24,7 @@ ko:
     ajax:
       hide: "숨기기"
       loading: "불러오는 중 ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         인라인 이미지 또는 참조 첨부 파일로 편집기 필드를 드래그하세요. 드래그하는 동안에는 닫힌 편집기 필드가 열립니다.
@@ -453,9 +454,8 @@ ko:
     label_starred_queries: "즐겨 찾는 보기"
     label_global_queries: "공개 보기"
     label_custom_queries: "비공개 보기"
-    label_create_new_query: "새로 만들기"
     label_columns: "컬럼"
-    label_attachments: 파일
+    label_attachments: 첨부 파일
     label_drop_files: 여기에 파일을 놓으세요
     label_drop_files_hint: 또는 파일을 추가 하려면 클릭하세요
     label_drop_folders_hint: 폴더를 첨부 파일로 업로드할 수 없습니다. 단일 파일을 선택하세요.
@@ -499,7 +499,8 @@ ko:
           task_board: "작업 보드는 <b>이 스프린트의 진행률</b>을 시각화합니다. 사용자 이야기 옆에 있는 더하기(+) 아이콘을 클릭하여 새 작업이나 제한을 추가하세요. <br> 드래그 앤 드롭으로 상태를 업데이트할 수 있습니다."
         boards:
           overview: '<b>보드</b>를 선택하여 보기를 전환하고 애자일 보드 보기를 사용하여 프로젝트를 관리하세요.'
-          lists: '여기에서 보드 내 여러 목록(열)을 만들 수 있습니다. 예를 들어, 이 기능을 사용하면 <b>Kanban 보드</b>를 만들 수 있습니다.'
+          lists_kanban: '여기에서 보드 내 여러 목록(열)을 만들 수 있습니다. 예를 들어, 이 기능을 사용하면 <b>Kanban 보드</b>를 만들 수 있습니다.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: '더하기(+) 아이콘을 클릭하여 <b>새 카드를 생성</b>하거나 보드의 목록에 <b>기존 카드를 추가</b>합니다.'
           drag: '지정된 목록에서 카드를 드래그 앤 드롭하여 재정렬하거나 카드를 다른 목록으로 이동합니다. <br> 오른쪽 상단 모서리의 정보(i) 아이콘을 클릭하거나 카드를 두 번 클릭하면 세부 정보를 열 수 있습니다.'
         wp:
@@ -510,6 +511,12 @@ ko:
           create_button: '<b>+ 만들기</b> 버튼은 프로젝트에 새로운 작업 패키지를 추가합니다.'
           timeline_button: '<b>Gantt 차트</b> 보기를 활성화하여 프로젝트의 타임라인을 만들 수 있습니다.'
           timeline: '여기에서 <b>프로젝트 계획을 편집</b>하고 작업, 마일스톤, 단계 등 새로운 작업 패키지를 만들고 <b>종속성을 추가</b>할 수도 있습니다. 모든 팀원이 언제든지 최신 계획을 보고 업데이트할 수 있습니다.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "알림"
       no_unread: "읽지 않는 알림 없음"
@@ -987,7 +994,7 @@ ko:
         activity: 활동
         relations: 관계
         watchers: 주시자
-        attachments: 첨부 파일
+        files: 파일
       time_relative:
         days: "일"
         weeks: "주"
@@ -1160,7 +1167,7 @@ ko:
       clear_selection: 'Clear selection'
       apply: '적용'
       selected_filter:
-        all: 'All projects'
+        all: '모든 프로젝트'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1168,3 +1175,8 @@ ko:
       load_error_message: '양식을 불러오는 중 오류가 발생했습니다'
       validation_error_message: '양식 내 오류를 수정하십시오'
       advanced_settings: '고급 설정'
+    spot:
+      filter_chip:
+        remove: '제거'
+      drop_modal:
+        Close: '닫기'
diff --git a/config/locales/crowdin/js-lol.yml b/config/locales/crowdin/js-lol.yml
index 30e1af36dc..8c4a0e09e9 100644
--- a/config/locales/crowdin/js-lol.yml
+++ b/config/locales/crowdin/js-lol.yml
@@ -22,1151 +22,1163 @@
 lol:
   js:
     ajax:
-      hide: "crwdns768650:0crwdne768650:0"
-      loading: "crwdns768652:0crwdne768652:0"
+      hide: "crwdns786842:0crwdne786842:0"
+      loading: "crwdns786844:0crwdne786844:0"
+      updating: "crwdns807384:0crwdne807384:0"
     attachments:
       draggable_hint: |
-        crwdns768654:0crwdne768654:0
+        crwdns786846:0crwdne786846:0
     autocomplete_select:
       placeholder:
-        multi: "crwdns768656:0%{name}crwdne768656:0"
-        single: "crwdns768658:0%{name}crwdne768658:0"
-      remove: "crwdns768660:0%{name}crwdne768660:0"
-      active: "crwdns768662:0%{label}crwdnd768662:0%{name}crwdne768662:0"
+        multi: "crwdns786848:0%{name}crwdne786848:0"
+        single: "crwdns786850:0%{name}crwdne786850:0"
+      remove: "crwdns786852:0%{name}crwdne786852:0"
+      active: "crwdns786854:0%{label}crwdnd786854:0%{name}crwdne786854:0"
     backup:
-      attachments_disabled: crwdns768664:0crwdne768664:0
+      attachments_disabled: crwdns786856:0crwdne786856:0
       info: >
-        crwdns768666:0crwdne768666:0
+        crwdns786858:0crwdne786858:0
       note: >
-        crwdns768668:0crwdne768668:0
-      last_backup: crwdns768670:0crwdne768670:0
-      last_backup_from: crwdns768672:0crwdne768672:0
-      title: crwdns768674:0crwdne768674:0
-      options: crwdns768676:0crwdne768676:0
-      include_attachments: crwdns768678:0crwdne768678:0
-      download_backup: crwdns768680:0crwdne768680:0
-      request_backup: crwdns768682:0crwdne768682:0
-    close_popup_title: "crwdns768684:0crwdne768684:0"
-    close_filter_title: "crwdns768686:0crwdne768686:0"
-    close_form_title: "crwdns768688:0crwdne768688:0"
-    button_add_watcher: "crwdns768690:0crwdne768690:0"
-    button_add: "crwdns768692:0crwdne768692:0"
-    button_back: "crwdns768694:0crwdne768694:0"
-    button_back_to_list_view: "crwdns768696:0crwdne768696:0"
-    button_cancel: "crwdns768698:0crwdne768698:0"
-    button_close: "crwdns768700:0crwdne768700:0"
-    button_change_project: "crwdns768702:0crwdne768702:0"
-    button_check_all: "crwdns768704:0crwdne768704:0"
-    button_configure-form: "crwdns768706:0crwdne768706:0"
-    button_confirm: "crwdns768708:0crwdne768708:0"
-    button_continue: "crwdns768710:0crwdne768710:0"
-    button_copy: "crwdns768712:0crwdne768712:0"
-    button_copy_to_other_project: "crwdns768714:0crwdne768714:0"
-    button_custom-fields: "crwdns768716:0crwdne768716:0"
-    button_delete: "crwdns768718:0crwdne768718:0"
-    button_delete_watcher: "crwdns768720:0crwdne768720:0"
-    button_details_view: "crwdns768722:0crwdne768722:0"
-    button_duplicate: "crwdns768724:0crwdne768724:0"
-    button_edit: "crwdns768726:0crwdne768726:0"
-    button_filter: "crwdns768728:0crwdne768728:0"
-    button_collapse_all: "crwdns768730:0crwdne768730:0"
-    button_expand_all: "crwdns768732:0crwdne768732:0"
-    button_advanced_filter: "crwdns768734:0crwdne768734:0"
-    button_list_view: "crwdns768736:0crwdne768736:0"
-    button_show_view: "crwdns768738:0crwdne768738:0"
-    button_log_time: "crwdns768740:0crwdne768740:0"
-    button_more: "crwdns768742:0crwdne768742:0"
-    button_open_details: "crwdns768744:0crwdne768744:0"
-    button_close_details: "crwdns768746:0crwdne768746:0"
-    button_open_fullscreen: "crwdns768748:0crwdne768748:0"
-    button_show_cards: "crwdns768750:0crwdne768750:0"
-    button_show_list: "crwdns768752:0crwdne768752:0"
-    button_quote: "crwdns768754:0crwdne768754:0"
-    button_save: "crwdns768756:0crwdne768756:0"
-    button_settings: "crwdns768758:0crwdne768758:0"
-    button_uncheck_all: "crwdns768760:0crwdne768760:0"
-    button_update: "crwdns768762:0crwdne768762:0"
-    button_export-pdf: "crwdns768764:0crwdne768764:0"
-    button_export-atom: "crwdns768766:0crwdne768766:0"
-    button_create: "crwdns768768:0crwdne768768:0"
+        crwdns786860:0crwdne786860:0
+      last_backup: crwdns786862:0crwdne786862:0
+      last_backup_from: crwdns786864:0crwdne786864:0
+      title: crwdns786866:0crwdne786866:0
+      options: crwdns786868:0crwdne786868:0
+      include_attachments: crwdns786870:0crwdne786870:0
+      download_backup: crwdns786872:0crwdne786872:0
+      request_backup: crwdns786874:0crwdne786874:0
+    close_popup_title: "crwdns786876:0crwdne786876:0"
+    close_filter_title: "crwdns786878:0crwdne786878:0"
+    close_form_title: "crwdns786880:0crwdne786880:0"
+    button_add_watcher: "crwdns786882:0crwdne786882:0"
+    button_add: "crwdns786884:0crwdne786884:0"
+    button_back: "crwdns786886:0crwdne786886:0"
+    button_back_to_list_view: "crwdns786888:0crwdne786888:0"
+    button_cancel: "crwdns786890:0crwdne786890:0"
+    button_close: "crwdns786892:0crwdne786892:0"
+    button_change_project: "crwdns786894:0crwdne786894:0"
+    button_check_all: "crwdns786896:0crwdne786896:0"
+    button_configure-form: "crwdns786898:0crwdne786898:0"
+    button_confirm: "crwdns786900:0crwdne786900:0"
+    button_continue: "crwdns786902:0crwdne786902:0"
+    button_copy: "crwdns786904:0crwdne786904:0"
+    button_copy_to_other_project: "crwdns786906:0crwdne786906:0"
+    button_custom-fields: "crwdns786908:0crwdne786908:0"
+    button_delete: "crwdns786910:0crwdne786910:0"
+    button_delete_watcher: "crwdns786912:0crwdne786912:0"
+    button_details_view: "crwdns786914:0crwdne786914:0"
+    button_duplicate: "crwdns786916:0crwdne786916:0"
+    button_edit: "crwdns786918:0crwdne786918:0"
+    button_filter: "crwdns786920:0crwdne786920:0"
+    button_collapse_all: "crwdns786922:0crwdne786922:0"
+    button_expand_all: "crwdns786924:0crwdne786924:0"
+    button_advanced_filter: "crwdns786926:0crwdne786926:0"
+    button_list_view: "crwdns786928:0crwdne786928:0"
+    button_show_view: "crwdns786930:0crwdne786930:0"
+    button_log_time: "crwdns786932:0crwdne786932:0"
+    button_more: "crwdns786934:0crwdne786934:0"
+    button_open_details: "crwdns786936:0crwdne786936:0"
+    button_close_details: "crwdns786938:0crwdne786938:0"
+    button_open_fullscreen: "crwdns786940:0crwdne786940:0"
+    button_show_cards: "crwdns786942:0crwdne786942:0"
+    button_show_list: "crwdns786944:0crwdne786944:0"
+    button_quote: "crwdns786946:0crwdne786946:0"
+    button_save: "crwdns786948:0crwdne786948:0"
+    button_settings: "crwdns786950:0crwdne786950:0"
+    button_uncheck_all: "crwdns786952:0crwdne786952:0"
+    button_update: "crwdns786954:0crwdne786954:0"
+    button_export-pdf: "crwdns786956:0crwdne786956:0"
+    button_export-atom: "crwdns786958:0crwdne786958:0"
+    button_create: "crwdns786960:0crwdne786960:0"
     card:
-      add_new: 'crwdns768770:0crwdne768770:0'
+      add_new: 'crwdns786962:0crwdne786962:0'
       highlighting:
-        inline: 'crwdns768772:0crwdne768772:0'
-        entire_card_by: 'crwdns768774:0crwdne768774:0'
-      remove_from_list: 'crwdns768776:0crwdne768776:0'
-    caption_rate_history: "crwdns768778:0crwdne768778:0"
+        inline: 'crwdns786964:0crwdne786964:0'
+        entire_card_by: 'crwdns786966:0crwdne786966:0'
+      remove_from_list: 'crwdns786968:0crwdne786968:0'
+    caption_rate_history: "crwdns786970:0crwdne786970:0"
     clipboard:
-      browser_error: "crwdns768780:0crwdne768780:0"
-      copied_successful: "crwdns768782:0crwdne768782:0"
+      browser_error: "crwdns786972:0crwdne786972:0"
+      copied_successful: "crwdns786974:0crwdne786974:0"
     chart:
-      type: 'crwdns768784:0crwdne768784:0'
-      axis_criteria: 'crwdns768786:0crwdne768786:0'
-      modal_title: 'crwdns768788:0crwdne768788:0'
+      type: 'crwdns786976:0crwdne786976:0'
+      axis_criteria: 'crwdns786978:0crwdne786978:0'
+      modal_title: 'crwdns786980:0crwdne786980:0'
       types:
-        line: 'crwdns768790:0crwdne768790:0'
-        horizontal_bar: 'crwdns768792:0crwdne768792:0'
-        bar: 'crwdns768794:0crwdne768794:0'
-        pie: 'crwdns768796:0crwdne768796:0'
-        doughnut: 'crwdns768798:0crwdne768798:0'
-        radar: 'crwdns768800:0crwdne768800:0'
-        polar_area: 'crwdns768802:0crwdne768802:0'
+        line: 'crwdns786982:0crwdne786982:0'
+        horizontal_bar: 'crwdns786984:0crwdne786984:0'
+        bar: 'crwdns786986:0crwdne786986:0'
+        pie: 'crwdns786988:0crwdne786988:0'
+        doughnut: 'crwdns786990:0crwdne786990:0'
+        radar: 'crwdns786992:0crwdne786992:0'
+        polar_area: 'crwdns786994:0crwdne786994:0'
       tabs:
-        graph_settings: 'crwdns768804:0crwdne768804:0'
-        dataset: 'crwdns768806:0%{number}crwdne768806:0'
+        graph_settings: 'crwdns786996:0crwdne786996:0'
+        dataset: 'crwdns786998:0%{number}crwdne786998:0'
       errors:
-        could_not_load: 'crwdns768808:0crwdne768808:0'
-    description_available_columns: "crwdns768810:0crwdne768810:0"
-    description_current_position: "crwdns768812:0crwdne768812:0"
-    description_select_work_package: "crwdns768814:0%{id}crwdne768814:0"
-    description_selected_columns: "crwdns768816:0crwdne768816:0"
-    description_subwork_package: "crwdns768818:0%{id}crwdne768818:0"
+        could_not_load: 'crwdns787000:0crwdne787000:0'
+    description_available_columns: "crwdns787002:0crwdne787002:0"
+    description_current_position: "crwdns787004:0crwdne787004:0"
+    description_select_work_package: "crwdns787006:0%{id}crwdne787006:0"
+    description_selected_columns: "crwdns787008:0crwdne787008:0"
+    description_subwork_package: "crwdns787010:0%{id}crwdne787010:0"
     editor:
-      preview: 'crwdns768820:0crwdne768820:0'
-      source_code: 'crwdns768822:0crwdne768822:0'
-      error_saving_failed: 'crwdns768824:0%{error}crwdne768824:0'
-      ckeditor_error: 'crwdns768826:0crwdne768826:0'
+      preview: 'crwdns787012:0crwdne787012:0'
+      source_code: 'crwdns787014:0crwdne787014:0'
+      error_saving_failed: 'crwdns787016:0%{error}crwdne787016:0'
+      ckeditor_error: 'crwdns787018:0crwdne787018:0'
       mode:
-        manual: 'crwdns768828:0crwdne768828:0'
-        wysiwyg: 'crwdns768830:0crwdne768830:0'
+        manual: 'crwdns787020:0crwdne787020:0'
+        wysiwyg: 'crwdns787022:0crwdne787022:0'
       macro:
-        error: 'crwdns768832:0%{message}crwdne768832:0'
+        error: 'crwdns787024:0%{message}crwdne787024:0'
         attribute_reference:
-          macro_help_tooltip: 'crwdns768834:0crwdne768834:0'
-          not_found: 'crwdns768836:0crwdne768836:0'
-          invalid_attribute: "crwdns768838:0%{name}crwdne768838:0"
+          macro_help_tooltip: 'crwdns787026:0crwdne787026:0'
+          not_found: 'crwdns787028:0crwdne787028:0'
+          invalid_attribute: "crwdns787030:0%{name}crwdne787030:0"
         child_pages:
-          button: 'crwdns768840:0crwdne768840:0'
-          include_parent: 'crwdns768842:0crwdne768842:0'
-          text: 'crwdns768844:0[Placeholder]crwdne768844:0'
-          page: 'crwdns768846:0crwdne768846:0'
-          this_page: 'crwdns768848:0crwdne768848:0'
+          button: 'crwdns787032:0crwdne787032:0'
+          include_parent: 'crwdns787034:0crwdne787034:0'
+          text: 'crwdns787036:0[Placeholder]crwdne787036:0'
+          page: 'crwdns787038:0crwdne787038:0'
+          this_page: 'crwdns787040:0crwdne787040:0'
           hint: |
-            crwdns768850:0crwdne768850:0
+            crwdns787042:0crwdne787042:0
         code_block:
-          button: 'crwdns768852:0crwdne768852:0'
-          title: 'crwdns768854:0crwdne768854:0'
-          language: 'crwdns768856:0crwdne768856:0'
-          language_hint: 'crwdns768858:0crwdne768858:0'
+          button: 'crwdns787044:0crwdne787044:0'
+          title: 'crwdns787046:0crwdne787046:0'
+          language: 'crwdns787048:0crwdne787048:0'
+          language_hint: 'crwdns787050:0crwdne787050:0'
         dropdown:
-          macros: 'crwdns768860:0crwdne768860:0'
-          chose_macro: 'crwdns768862:0crwdne768862:0'
-        toc: 'crwdns768864:0crwdne768864:0'
-        toolbar_help: 'crwdns768866:0crwdne768866:0'
+          macros: 'crwdns787052:0crwdne787052:0'
+          chose_macro: 'crwdns787054:0crwdne787054:0'
+        toc: 'crwdns787056:0crwdne787056:0'
+        toolbar_help: 'crwdns787058:0crwdne787058:0'
         wiki_page_include:
-          button: 'crwdns768868:0crwdne768868:0'
-          text: 'crwdns768870:0[Placeholder]crwdne768870:0'
-          page: 'crwdns768872:0crwdne768872:0'
-          not_set: 'crwdns768874:0crwdne768874:0'
+          button: 'crwdns787060:0crwdne787060:0'
+          text: 'crwdns787062:0[Placeholder]crwdne787062:0'
+          page: 'crwdns787064:0crwdne787064:0'
+          not_set: 'crwdns787066:0crwdne787066:0'
           hint: |
-            crwdns768876:0crwdne768876:0
+            crwdns787068:0crwdne787068:0
         work_package_button:
-          button: 'crwdns768878:0crwdne768878:0'
-          type: 'crwdns768880:0crwdne768880:0'
-          button_style: 'crwdns768882:0crwdne768882:0'
-          button_style_hint: 'crwdns768884:0crwdne768884:0'
-          without_type: 'crwdns768886:0crwdne768886:0'
-          with_type: 'crwdns768888:0%{typename}crwdne768888:0'
+          button: 'crwdns787070:0crwdne787070:0'
+          type: 'crwdns787072:0crwdne787072:0'
+          button_style: 'crwdns787074:0crwdne787074:0'
+          button_style_hint: 'crwdns787076:0crwdne787076:0'
+          without_type: 'crwdns787078:0crwdne787078:0'
+          with_type: 'crwdns787080:0%{typename}crwdne787080:0'
         embedded_table:
-          button: 'crwdns768890:0crwdne768890:0'
-          text: 'crwdns768892:0[Placeholder]crwdne768892:0'
+          button: 'crwdns787082:0crwdne787082:0'
+          text: 'crwdns787084:0[Placeholder]crwdne787084:0'
         embedded_calendar:
-          text: 'crwdns768894:0[Placeholder]crwdne768894:0'
+          text: 'crwdns787086:0[Placeholder]crwdne787086:0'
     admin:
       type_form:
-        custom_field: 'crwdns768896:0crwdne768896:0'
-        inactive: 'crwdns768898:0crwdne768898:0'
-        drag_to_activate: "crwdns768900:0crwdne768900:0"
-        add_group: "crwdns768902:0crwdne768902:0"
-        add_table: "crwdns768904:0crwdne768904:0"
-        edit_query: 'crwdns768906:0crwdne768906:0'
-        new_group: 'crwdns768908:0crwdne768908:0'
-        reset_to_defaults: 'crwdns768910:0crwdne768910:0'
+        custom_field: 'crwdns787088:0crwdne787088:0'
+        inactive: 'crwdns787090:0crwdne787090:0'
+        drag_to_activate: "crwdns787092:0crwdne787092:0"
+        add_group: "crwdns787094:0crwdne787094:0"
+        add_table: "crwdns787096:0crwdne787096:0"
+        edit_query: 'crwdns787098:0crwdne787098:0'
+        new_group: 'crwdns787100:0crwdne787100:0'
+        reset_to_defaults: 'crwdns787102:0crwdne787102:0'
       enterprise:
-        text_reprieve_days_left: "crwdns768912:0%{days}crwdne768912:0"
-        text_expired: "crwdns768914:0crwdne768914:0"
+        text_reprieve_days_left: "crwdns787104:0%{days}crwdne787104:0"
+        text_expired: "crwdns787106:0crwdne787106:0"
         trial:
-          confirmation: "crwdns768916:0crwdne768916:0"
+          confirmation: "crwdns787108:0crwdne787108:0"
           confirmation_info: >
-            crwdns768918:0%{date}crwdnd768918:0%{email}crwdne768918:0
+            crwdns787110:0%{date}crwdnd787110:0%{email}crwdne787110:0
           form:
             general_consent: >
-              crwdns768920:0%{link_terms}crwdnd768920:0%{link_privacy}crwdne768920:0
-            invalid_email: "crwdns768922:0crwdne768922:0"
-            label_company: "crwdns768924:0crwdne768924:0"
-            label_first_name: "crwdns768926:0crwdne768926:0"
-            label_last_name: "crwdns768928:0crwdne768928:0"
-            label_domain: "crwdns768930:0crwdne768930:0"
-            label_subscriber: "crwdns768932:0crwdne768932:0"
-            label_maximum_users: "crwdns768934:0crwdne768934:0"
-            label_starts_at: "crwdns768936:0crwdne768936:0"
-            label_expires_at: "crwdns768938:0crwdne768938:0"
-            receive_newsletter: crwdns768940:0%{link}crwdne768940:0
-            taken_domain: crwdns768942:0crwdne768942:0
-            taken_email: crwdns768944:0crwdne768944:0
-          email_not_received: "crwdns768946:0crwdne768946:0"
-          try_another_email: "crwdns768948:0crwdne768948:0"
-          next_steps: "crwdns768950:0crwdne768950:0"
-          resend_link: "crwdns768952:0crwdne768952:0"
-          resend_success: "crwdns768954:0crwdne768954:0"
-          resend_warning: "crwdns768956:0crwdne768956:0"
-          session_timeout: "crwdns768958:0crwdne768958:0"
-          status_label: "crwdns768960:0crwdne768960:0"
-          status_confirmed: "crwdns768962:0crwdne768962:0"
-          status_waiting: "crwdns768964:0crwdne768964:0"
-          test_ee: "crwdns768966:0crwdne768966:0"
-          quick_overview: "crwdns768968:0crwdne768968:0"
+              crwdns787112:0%{link_terms}crwdnd787112:0%{link_privacy}crwdne787112:0
+            invalid_email: "crwdns787114:0crwdne787114:0"
+            label_company: "crwdns787116:0crwdne787116:0"
+            label_first_name: "crwdns787118:0crwdne787118:0"
+            label_last_name: "crwdns787120:0crwdne787120:0"
+            label_domain: "crwdns787122:0crwdne787122:0"
+            label_subscriber: "crwdns787124:0crwdne787124:0"
+            label_maximum_users: "crwdns787126:0crwdne787126:0"
+            label_starts_at: "crwdns787128:0crwdne787128:0"
+            label_expires_at: "crwdns787130:0crwdne787130:0"
+            receive_newsletter: crwdns787132:0%{link}crwdne787132:0
+            taken_domain: crwdns787134:0crwdne787134:0
+            taken_email: crwdns787136:0crwdne787136:0
+          email_not_received: "crwdns787138:0crwdne787138:0"
+          try_another_email: "crwdns787140:0crwdne787140:0"
+          next_steps: "crwdns787142:0crwdne787142:0"
+          resend_link: "crwdns787144:0crwdne787144:0"
+          resend_success: "crwdns787146:0crwdne787146:0"
+          resend_warning: "crwdns787148:0crwdne787148:0"
+          session_timeout: "crwdns787150:0crwdne787150:0"
+          status_label: "crwdns787152:0crwdne787152:0"
+          status_confirmed: "crwdns787154:0crwdne787154:0"
+          status_waiting: "crwdns787156:0crwdne787156:0"
+          test_ee: "crwdns787158:0crwdne787158:0"
+          quick_overview: "crwdns787160:0crwdne787160:0"
         upsale:
-          become_hero: "crwdns768970:0crwdne768970:0"
+          become_hero: "crwdns787162:0crwdne787162:0"
           benefits:
-            description: "crwdns768972:0crwdne768972:0"
-            high_security: "crwdns768974:0crwdne768974:0"
-            high_security_text: "crwdns768976:0crwdne768976:0"
-            installation: "crwdns768978:0crwdne768978:0"
-            installation_text: "crwdns768980:0crwdne768980:0"
-            premium_features: "crwdns768982:0crwdne768982:0"
-            premium_features_text: "crwdns768984:0crwdne768984:0"
-            professional_support: "crwdns768986:0crwdne768986:0"
-            professional_support_text: "crwdns768988:0crwdne768988:0"
-          button_start_trial: "crwdns768990:0crwdne768990:0"
-          button_book_now: "crwdns768992:0crwdne768992:0"
+            description: "crwdns787164:0crwdne787164:0"
+            high_security: "crwdns787166:0crwdne787166:0"
+            high_security_text: "crwdns787168:0crwdne787168:0"
+            installation: "crwdns787170:0crwdne787170:0"
+            installation_text: "crwdns787172:0crwdne787172:0"
+            premium_features: "crwdns787174:0crwdne787174:0"
+            premium_features_text: "crwdns787176:0crwdne787176:0"
+            professional_support: "crwdns787178:0crwdne787178:0"
+            professional_support_text: "crwdns787180:0crwdne787180:0"
+          button_start_trial: "crwdns787182:0crwdne787182:0"
+          button_book_now: "crwdns787184:0crwdne787184:0"
           confidence: >
-            crwdns768994:0crwdne768994:0
-          link_quote: "crwdns768996:0crwdne768996:0"
+            crwdns787186:0crwdne787186:0
+          link_quote: "crwdns787188:0crwdne787188:0"
           text: >
-            crwdns768998:0crwdne768998:0
-          unlimited: "crwdns769000:0crwdne769000:0"
-          you_contribute: "crwdns769002:0crwdne769002:0"
+            crwdns787190:0crwdne787190:0
+          unlimited: "crwdns787192:0crwdne787192:0"
+          you_contribute: "crwdns787194:0crwdne787194:0"
     custom_actions:
       date:
-        specific: 'crwdns769004:0crwdne769004:0'
-        current_date: 'crwdns769006:0crwdne769006:0'
+        specific: 'crwdns787196:0crwdne787196:0'
+        current_date: 'crwdns787198:0crwdne787198:0'
     error:
-      internal: "crwdns769008:0crwdne769008:0"
-      cannot_save_changes_with_message: "crwdns769010:0%{error}crwdne769010:0"
-      query_saving: "crwdns769012:0crwdne769012:0"
-      embedded_table_loading: "crwdns769014:0%{message}crwdne769014:0"
-    enumeration_activities: "crwdns769016:0crwdne769016:0"
-    enumeration_doc_categories: "crwdns769018:0crwdne769018:0"
-    enumeration_work_package_priorities: "crwdns769020:0crwdne769020:0"
+      internal: "crwdns787200:0crwdne787200:0"
+      cannot_save_changes_with_message: "crwdns787202:0%{error}crwdne787202:0"
+      query_saving: "crwdns787204:0crwdne787204:0"
+      embedded_table_loading: "crwdns787206:0%{message}crwdne787206:0"
+    enumeration_activities: "crwdns787208:0crwdne787208:0"
+    enumeration_doc_categories: "crwdns787210:0crwdne787210:0"
+    enumeration_work_package_priorities: "crwdns787212:0crwdne787212:0"
     filter:
-      more_values_not_shown: "crwdns769022:0%{total}crwdne769022:0"
+      more_values_not_shown: "crwdns787214:0%{total}crwdne787214:0"
       description:
-        text_open_filter: "crwdns769024:0crwdne769024:0"
-        text_close_filter: "crwdns769026:0crwdne769026:0"
-      noneElement: "crwdns769028:0crwdne769028:0"
+        text_open_filter: "crwdns787216:0crwdne787216:0"
+        text_close_filter: "crwdns787218:0crwdne787218:0"
+      noneElement: "crwdns787220:0crwdne787220:0"
       time_zone_converted:
-        two_values: "crwdns769030:0%{from}crwdnd769030:0%{to}crwdne769030:0"
-        only_start: "crwdns769032:0%{from}crwdne769032:0"
-        only_end: "crwdns769034:0%{to}crwdne769034:0"
-      value_spacer: "crwdns769036:0crwdne769036:0"
+        two_values: "crwdns787222:0%{from}crwdnd787222:0%{to}crwdne787222:0"
+        only_start: "crwdns787224:0%{from}crwdne787224:0"
+        only_end: "crwdns787226:0%{to}crwdne787226:0"
+      value_spacer: "crwdns787228:0crwdne787228:0"
       sorting:
         criteria:
-          one: "crwdns769038:0crwdne769038:0"
-          two: "crwdns769040:0crwdne769040:0"
-          three: "crwdns769042:0crwdne769042:0"
-      upsale_for_more: "crwdns769044:0crwdne769044:0"
-      upsale_link: 'crwdns769046:0crwdne769046:0'
-    general_text_no: "crwdns769048:0crwdne769048:0"
-    general_text_yes: "crwdns769050:0crwdne769050:0"
-    general_text_No: "crwdns769052:0crwdne769052:0"
-    general_text_Yes: "crwdns769054:0crwdne769054:0"
+          one: "crwdns787230:0crwdne787230:0"
+          two: "crwdns787232:0crwdne787232:0"
+          three: "crwdns787234:0crwdne787234:0"
+      upsale_for_more: "crwdns787236:0crwdne787236:0"
+      upsale_link: 'crwdns787238:0crwdne787238:0'
+    general_text_no: "crwdns787240:0crwdne787240:0"
+    general_text_yes: "crwdns787242:0crwdne787242:0"
+    general_text_No: "crwdns787244:0crwdne787244:0"
+    general_text_Yes: "crwdns787246:0crwdne787246:0"
     hal:
       error:
-        update_conflict_refresh: "crwdns769056:0crwdne769056:0"
-        edit_prohibited: "crwdns769058:0%{attribute}crwdne769058:0"
+        update_conflict_refresh: "crwdns787248:0crwdne787248:0"
+        edit_prohibited: "crwdns787250:0%{attribute}crwdne787250:0"
         format:
-          date: "crwdns769060:0%{attribute}crwdne769060:0"
-        general: "crwdns769062:0crwdne769062:0"
+          date: "crwdns787252:0%{attribute}crwdne787252:0"
+        general: "crwdns787254:0crwdne787254:0"
     homescreen:
       blocks:
         new_features:
-          text_new_features: "crwdns769064:0crwdne769064:0"
-          learn_about: "crwdns769066:0crwdne769066:0"
+          text_new_features: "crwdns787256:0crwdne787256:0"
+          learn_about: "crwdns787258:0crwdne787258:0"
           #Include the version to invalidate outdated translations in other locales.
           #Otherwise, e.g. chinese might still have the translations for 10.0 in the 12.0 release.
           '12_0':
             standard:
-              learn_about_link: crwdns769068:0crwdne769068:0
+              learn_about_link: crwdns787260:0crwdne787260:0
               new_features_html: >
-                crwdns769070:0%{list_styling_class}crwdne769070:0
+                crwdns787262:0%{list_styling_class}crwdne787262:0
             bim:
-              learn_about_link: crwdns769072:0crwdne769072:0
+              learn_about_link: crwdns787264:0crwdne787264:0
               new_features_html: >
-                crwdns769074:0%{list_styling_class}crwdne769074:0
-    label_activate: "crwdns769076:0crwdne769076:0"
-    label_add_column_after: "crwdns769078:0crwdne769078:0"
-    label_add_column_before: "crwdns769080:0crwdne769080:0"
-    label_add_columns: "crwdns769082:0crwdne769082:0"
-    label_add_comment: "crwdns769084:0crwdne769084:0"
-    label_add_comment_title: "crwdns769086:0crwdne769086:0"
-    label_add_row_after: "crwdns769088:0crwdne769088:0"
-    label_add_row_before: "crwdns769090:0crwdne769090:0"
-    label_add_selected_columns: "crwdns769092:0crwdne769092:0"
-    label_added_by: "crwdns769094:0crwdne769094:0"
-    label_added_time_by: "crwdns769096:0%{authorLink}crwdnd769096:0%{author}crwdnd769096:0%{age}crwdne769096:0"
-    label_ago: "crwdns769098:0crwdne769098:0"
-    label_all: "crwdns769100:0crwdne769100:0"
-    label_all_work_packages: "crwdns769102:0crwdne769102:0"
-    label_and: "crwdns769104:0crwdne769104:0"
-    label_ascending: "crwdns769106:0crwdne769106:0"
-    label_author: "crwdns769108:0%{user}crwdne769108:0"
-    label_avatar: "crwdns769110:0crwdne769110:0"
-    label_between: "crwdns769112:0crwdne769112:0"
-    label_board: "crwdns769114:0crwdne769114:0"
-    label_board_locked: "crwdns769116:0crwdne769116:0"
-    label_board_plural: "crwdns769118:0crwdne769118:0"
-    label_board_sticky: "crwdns769120:0crwdne769120:0"
-    label_change: "crwdns769122:0crwdne769122:0"
-    label_create: "crwdns769124:0crwdne769124:0"
-    label_create_work_package: "crwdns769126:0crwdne769126:0"
-    label_created_by: "crwdns769128:0crwdne769128:0"
-    label_date: "crwdns769130:0crwdne769130:0"
-    label_date_with_format: "crwdns769132:0%{date_attribute}crwdnd769132:0%{format}crwdne769132:0"
-    label_deactivate: "crwdns769134:0crwdne769134:0"
-    label_descending: "crwdns769136:0crwdne769136:0"
-    label_description: "crwdns769138:0crwdne769138:0"
-    label_details: "crwdns769140:0crwdne769140:0"
-    label_display: "crwdns769142:0crwdne769142:0"
-    label_cancel_comment: "crwdns769144:0crwdne769144:0"
-    label_closed_work_packages: "crwdns769146:0crwdne769146:0"
-    label_collapse: "crwdns769148:0crwdne769148:0"
-    label_collapsed: "crwdns769150:0crwdne769150:0"
-    label_collapse_all: "crwdns769152:0crwdne769152:0"
-    label_comment: "crwdns769154:0crwdne769154:0"
-    label_committed_at: "crwdns769156:0%{committed_revision_link}crwdnd769156:0%{date}crwdne769156:0"
-    label_committed_link: "crwdns769158:0%{revision_identifier}crwdne769158:0"
-    label_contains: "crwdns769160:0crwdne769160:0"
-    label_created_on: "crwdns769162:0crwdne769162:0"
-    label_edit_comment: "crwdns769164:0crwdne769164:0"
-    label_edit_status: "crwdns769166:0crwdne769166:0"
-    label_email: "crwdns769168:0crwdne769168:0"
-    label_equals: "crwdns769170:0crwdne769170:0"
-    label_expand: "crwdns769172:0crwdne769172:0"
-    label_expanded: "crwdns769174:0crwdne769174:0"
-    label_expand_all: "crwdns769176:0crwdne769176:0"
-    label_expand_project_menu: "crwdns769178:0crwdne769178:0"
-    label_export: "crwdns769180:0crwdne769180:0"
-    label_export_preparing: "crwdns769182:0crwdne769182:0"
-    label_filename: "crwdns769184:0crwdne769184:0"
-    label_filesize: "crwdns769186:0crwdne769186:0"
-    label_general: "crwdns769188:0crwdne769188:0"
-    label_global_roles: "crwdns769190:0crwdne769190:0"
-    label_greater_or_equal: "crwdns769192:0crwdne769192:0"
-    label_group: 'crwdns769194:0crwdne769194:0'
-    label_group_by: "crwdns769196:0crwdne769196:0"
-    label_group_plural: "crwdns769198:0crwdne769198:0"
-    label_hide_attributes: "crwdns769200:0crwdne769200:0"
-    label_hide_column: "crwdns769202:0crwdne769202:0"
-    label_hide_project_menu: "crwdns769204:0crwdne769204:0"
-    label_in: "crwdns769206:0crwdne769206:0"
-    label_in_less_than: "crwdns769208:0crwdne769208:0"
-    label_in_more_than: "crwdns769210:0crwdne769210:0"
-    label_incoming_emails: "crwdns769212:0crwdne769212:0"
-    label_information_plural: "crwdns769214:0crwdne769214:0"
-    label_import: "crwdns769216:0crwdne769216:0"
-    label_latest_activity: "crwdns769218:0crwdne769218:0"
-    label_last_updated_on: "crwdns769220:0crwdne769220:0"
-    label_learn_more_link: "crwdns769222:0crwdne769222:0"
-    label_less_or_equal: "crwdns769224:0crwdne769224:0"
-    label_less_than_ago: "crwdns769226:0crwdne769226:0"
-    label_loading: "crwdns769228:0crwdne769228:0"
-    label_mail_notification: "crwdns769230:0crwdne769230:0"
-    label_me: "crwdns769232:0crwdne769232:0"
-    label_meeting_agenda: "crwdns769234:0crwdne769234:0"
-    label_meeting_minutes: "crwdns769236:0crwdne769236:0"
-    label_menu_collapse: "crwdns769238:0crwdne769238:0"
-    label_menu_expand: "crwdns769240:0crwdne769240:0"
-    label_more_than_ago: "crwdns769242:0crwdne769242:0"
-    label_next: "crwdns769244:0crwdne769244:0"
-    label_no_color: "crwdns769246:0crwdne769246:0"
-    label_no_data: "crwdns769248:0crwdne769248:0"
-    label_no_due_date: "crwdns769250:0crwdne769250:0"
-    label_no_start_date: "crwdns769252:0crwdne769252:0"
-    label_no_value: "crwdns769254:0crwdne769254:0"
-    label_none: "crwdns769256:0crwdne769256:0"
-    label_not_contains: "crwdns769258:0crwdne769258:0"
-    label_not_equals: "crwdns769260:0crwdne769260:0"
-    label_on: "crwdns769262:0crwdne769262:0"
-    label_open_menu: "crwdns769264:0crwdne769264:0"
-    label_open_context_menu: "crwdns769266:0crwdne769266:0"
-    label_open_work_packages: "crwdns769268:0crwdne769268:0"
-    label_password: "crwdns769270:0crwdne769270:0"
-    label_previous: "crwdns769272:0crwdne769272:0"
-    label_per_page: "crwdns769274:0crwdne769274:0"
-    label_please_wait: "crwdns769276:0crwdne769276:0"
-    label_project_plural: "crwdns769278:0crwdne769278:0"
-    label_visibility_settings: "crwdns769280:0crwdne769280:0"
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-    label_remove: "crwdns769288:0crwdne769288:0"
-    label_remove_column: "crwdns769290:0crwdne769290:0"
-    label_remove_columns: "crwdns769292:0crwdne769292:0"
-    label_remove_row: "crwdns769294:0crwdne769294:0"
-    label_report: "crwdns769296:0crwdne769296:0"
-    label_repository_plural: "crwdns769298:0crwdne769298:0"
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-    label_select_watcher: "crwdns769302:0crwdne769302:0"
-    label_selected_filter_list: "crwdns769304:0crwdne769304:0"
-    label_show_attributes: "crwdns769306:0crwdne769306:0"
-    label_show_in_menu: "crwdns769308:0crwdne769308:0"
-    label_sort_by: "crwdns769310:0crwdne769310:0"
-    label_sorted_by: "crwdns769312:0crwdne769312:0"
-    label_sort_higher: "crwdns769314:0crwdne769314:0"
-    label_sort_lower: "crwdns769316:0crwdne769316:0"
-    label_sorting: "crwdns769318:0crwdne769318:0"
-    label_spent_time: "crwdns769320:0crwdne769320:0"
-    label_star_query: "crwdns769322:0crwdne769322:0"
-    label_press_enter_to_save: "crwdns769324:0crwdne769324:0"
-    label_public_query: "crwdns769326:0crwdne769326:0"
-    label_sum: "crwdns769328:0crwdne769328:0"
-    label_sum_for: "crwdns769330:0crwdne769330:0"
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-    label_this_week: "crwdns769336:0crwdne769336:0"
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-    label_time_entry_plural: "crwdns769340:0crwdne769340:0"
-    label_up: "crwdns769342:0crwdne769342:0"
-    label_user_plural: "crwdns769344:0crwdne769344:0"
-    label_activity_show_only_comments: "crwdns769346:0crwdne769346:0"
-    label_activity_show_all: "crwdns769348:0crwdne769348:0"
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-    label_total_amount: "crwdns769352:0%{amount}crwdne769352:0"
-    label_updated_on: "crwdns769354:0crwdne769354:0"
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-    label_children_derived_duration: "crwdns769358:0crwdne769358:0"
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-    label_work_package: "crwdns769362:0crwdne769362:0"
-    label_work_package_parent: "crwdns769364:0crwdne769364:0"
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-    label_watch_work_package: "crwdns769370:0crwdne769370:0"
-    label_watcher_added_successfully: "crwdns769372:0crwdne769372:0"
-    label_watcher_deleted_successfully: "crwdns769374:0crwdne769374:0"
-    label_work_package_details_you_are_here: "crwdns769376:0%{tab}crwdnd769376:0%{type}crwdnd769376:0%{subject}crwdne769376:0"
-    label_unwatch: "crwdns769378:0crwdne769378:0"
-    label_unwatch_work_package: "crwdns769380:0crwdne769380:0"
-    label_uploaded_by: "crwdns769382:0crwdne769382:0"
-    label_default_queries: "crwdns769384:0crwdne769384:0"
-    label_starred_queries: "crwdns769386:0crwdne769386:0"
-    label_global_queries: "crwdns769388:0crwdne769388:0"
-    label_custom_queries: "crwdns769390:0crwdne769390:0"
-    label_create_new_query: "crwdns769392:0crwdne769392:0"
-    label_columns: "crwdns769394:0crwdne769394:0"
-    label_attachments: crwdns769396:0crwdne769396:0
-    label_drop_files: crwdns769398:0crwdne769398:0
-    label_drop_files_hint: crwdns769400:0crwdne769400:0
-    label_drop_folders_hint: crwdns769402:0crwdne769402:0
-    label_add_attachments: "crwdns769404:0crwdne769404:0"
-    label_formattable_attachment_hint: "crwdns769406:0crwdne769406:0"
-    label_remove_file: "crwdns769408:0%{fileName}crwdne769408:0"
-    label_remove_watcher: "crwdns769410:0%{name}crwdne769410:0"
-    label_remove_all_files: crwdns769412:0crwdne769412:0
-    label_add_description: "crwdns769414:0%{file}crwdne769414:0"
-    label_upload_notification: "crwdns769416:0crwdne769416:0"
-    label_work_package_upload_notification: "crwdns769418:0%{id}crwdnd769418:0%{subject}crwdne769418:0"
-    label_wp_id_added_by: "crwdns769420:0%{id}crwdnd769420:0%{author}crwdne769420:0"
-    label_files_to_upload: "crwdns769422:0crwdne769422:0"
-    label_rejected_files: "crwdns769424:0crwdne769424:0"
-    label_rejected_files_reason: "crwdns769426:0%{maximumFilesize}crwdne769426:0"
-    label_wait: "crwdns769428:0crwdne769428:0"
-    label_upload_counter: "crwdns769430:0%{done}crwdnd769430:0%{count}crwdne769430:0"
-    label_validation_error: "crwdns769432:0crwdne769432:0"
-    label_version_plural: "crwdns769434:0crwdne769434:0"
-    label_view_has_changed: "crwdns769436:0crwdne769436:0"
+                crwdns787266:0%{list_styling_class}crwdne787266:0
+    label_activate: "crwdns787268:0crwdne787268:0"
+    label_add_column_after: "crwdns787270:0crwdne787270:0"
+    label_add_column_before: "crwdns787272:0crwdne787272:0"
+    label_add_columns: "crwdns787274:0crwdne787274:0"
+    label_add_comment: "crwdns787276:0crwdne787276:0"
+    label_add_comment_title: "crwdns787278:0crwdne787278:0"
+    label_add_row_after: "crwdns787280:0crwdne787280:0"
+    label_add_row_before: "crwdns787282:0crwdne787282:0"
+    label_add_selected_columns: "crwdns787284:0crwdne787284:0"
+    label_added_by: "crwdns787286:0crwdne787286:0"
+    label_added_time_by: "crwdns787288:0%{authorLink}crwdnd787288:0%{author}crwdnd787288:0%{age}crwdne787288:0"
+    label_ago: "crwdns787290:0crwdne787290:0"
+    label_all: "crwdns787292:0crwdne787292:0"
+    label_all_work_packages: "crwdns787294:0crwdne787294:0"
+    label_and: "crwdns787296:0crwdne787296:0"
+    label_ascending: "crwdns787298:0crwdne787298:0"
+    label_author: "crwdns787300:0%{user}crwdne787300:0"
+    label_avatar: "crwdns787302:0crwdne787302:0"
+    label_between: "crwdns787304:0crwdne787304:0"
+    label_board: "crwdns787306:0crwdne787306:0"
+    label_board_locked: "crwdns787308:0crwdne787308:0"
+    label_board_plural: "crwdns787310:0crwdne787310:0"
+    label_board_sticky: "crwdns787312:0crwdne787312:0"
+    label_change: "crwdns787314:0crwdne787314:0"
+    label_create: "crwdns787316:0crwdne787316:0"
+    label_create_work_package: "crwdns787318:0crwdne787318:0"
+    label_created_by: "crwdns787320:0crwdne787320:0"
+    label_date: "crwdns787322:0crwdne787322:0"
+    label_date_with_format: "crwdns787324:0%{date_attribute}crwdnd787324:0%{format}crwdne787324:0"
+    label_deactivate: "crwdns787326:0crwdne787326:0"
+    label_descending: "crwdns787328:0crwdne787328:0"
+    label_description: "crwdns787330:0crwdne787330:0"
+    label_details: "crwdns787332:0crwdne787332:0"
+    label_display: "crwdns787334:0crwdne787334:0"
+    label_cancel_comment: "crwdns787336:0crwdne787336:0"
+    label_closed_work_packages: "crwdns787338:0crwdne787338:0"
+    label_collapse: "crwdns787340:0crwdne787340:0"
+    label_collapsed: "crwdns787342:0crwdne787342:0"
+    label_collapse_all: "crwdns787344:0crwdne787344:0"
+    label_comment: "crwdns787346:0crwdne787346:0"
+    label_committed_at: "crwdns787348:0%{committed_revision_link}crwdnd787348:0%{date}crwdne787348:0"
+    label_committed_link: "crwdns787350:0%{revision_identifier}crwdne787350:0"
+    label_contains: "crwdns787352:0crwdne787352:0"
+    label_created_on: "crwdns787354:0crwdne787354:0"
+    label_edit_comment: "crwdns787356:0crwdne787356:0"
+    label_edit_status: "crwdns787358:0crwdne787358:0"
+    label_email: "crwdns787360:0crwdne787360:0"
+    label_equals: "crwdns787362:0crwdne787362:0"
+    label_expand: "crwdns787364:0crwdne787364:0"
+    label_expanded: "crwdns787366:0crwdne787366:0"
+    label_expand_all: "crwdns787368:0crwdne787368:0"
+    label_expand_project_menu: "crwdns787370:0crwdne787370:0"
+    label_export: "crwdns787372:0crwdne787372:0"
+    label_export_preparing: "crwdns787374:0crwdne787374:0"
+    label_filename: "crwdns787376:0crwdne787376:0"
+    label_filesize: "crwdns787378:0crwdne787378:0"
+    label_general: "crwdns787380:0crwdne787380:0"
+    label_global_roles: "crwdns787382:0crwdne787382:0"
+    label_greater_or_equal: "crwdns787384:0crwdne787384:0"
+    label_group: 'crwdns787386:0crwdne787386:0'
+    label_group_by: "crwdns787388:0crwdne787388:0"
+    label_group_plural: "crwdns787390:0crwdne787390:0"
+    label_hide_attributes: "crwdns787392:0crwdne787392:0"
+    label_hide_column: "crwdns787394:0crwdne787394:0"
+    label_hide_project_menu: "crwdns787396:0crwdne787396:0"
+    label_in: "crwdns787398:0crwdne787398:0"
+    label_in_less_than: "crwdns787400:0crwdne787400:0"
+    label_in_more_than: "crwdns787402:0crwdne787402:0"
+    label_incoming_emails: "crwdns787404:0crwdne787404:0"
+    label_information_plural: "crwdns787406:0crwdne787406:0"
+    label_import: "crwdns787408:0crwdne787408:0"
+    label_latest_activity: "crwdns787410:0crwdne787410:0"
+    label_last_updated_on: "crwdns787412:0crwdne787412:0"
+    label_learn_more_link: "crwdns787414:0crwdne787414:0"
+    label_less_or_equal: "crwdns787416:0crwdne787416:0"
+    label_less_than_ago: "crwdns787418:0crwdne787418:0"
+    label_loading: "crwdns787420:0crwdne787420:0"
+    label_mail_notification: "crwdns787422:0crwdne787422:0"
+    label_me: "crwdns787424:0crwdne787424:0"
+    label_meeting_agenda: "crwdns787426:0crwdne787426:0"
+    label_meeting_minutes: "crwdns787428:0crwdne787428:0"
+    label_menu_collapse: "crwdns787430:0crwdne787430:0"
+    label_menu_expand: "crwdns787432:0crwdne787432:0"
+    label_more_than_ago: "crwdns787434:0crwdne787434:0"
+    label_next: "crwdns787436:0crwdne787436:0"
+    label_no_color: "crwdns787438:0crwdne787438:0"
+    label_no_data: "crwdns787440:0crwdne787440:0"
+    label_no_due_date: "crwdns787442:0crwdne787442:0"
+    label_no_start_date: "crwdns787444:0crwdne787444:0"
+    label_no_value: "crwdns787446:0crwdne787446:0"
+    label_none: "crwdns787448:0crwdne787448:0"
+    label_not_contains: "crwdns787450:0crwdne787450:0"
+    label_not_equals: "crwdns787452:0crwdne787452:0"
+    label_on: "crwdns787454:0crwdne787454:0"
+    label_open_menu: "crwdns787456:0crwdne787456:0"
+    label_open_context_menu: "crwdns787458:0crwdne787458:0"
+    label_open_work_packages: "crwdns787460:0crwdne787460:0"
+    label_password: "crwdns787462:0crwdne787462:0"
+    label_previous: "crwdns787464:0crwdne787464:0"
+    label_per_page: "crwdns787466:0crwdne787466:0"
+    label_please_wait: "crwdns787468:0crwdne787468:0"
+    label_project_plural: "crwdns787470:0crwdne787470:0"
+    label_visibility_settings: "crwdns787472:0crwdne787472:0"
+    label_quote_comment: "crwdns787474:0crwdne787474:0"
+    label_recent: "crwdns787476:0crwdne787476:0"
+    label_reset: "crwdns787478:0crwdne787478:0"
+    label_remove: "crwdns787480:0crwdne787480:0"
+    label_remove_column: "crwdns787482:0crwdne787482:0"
+    label_remove_columns: "crwdns787484:0crwdne787484:0"
+    label_remove_row: "crwdns787486:0crwdne787486:0"
+    label_report: "crwdns787488:0crwdne787488:0"
+    label_repository_plural: "crwdns787490:0crwdne787490:0"
+    label_save_as: "crwdns787492:0crwdne787492:0"
+    label_select_watcher: "crwdns787494:0crwdne787494:0"
+    label_selected_filter_list: "crwdns787496:0crwdne787496:0"
+    label_show_attributes: "crwdns787498:0crwdne787498:0"
+    label_show_in_menu: "crwdns787500:0crwdne787500:0"
+    label_sort_by: "crwdns787502:0crwdne787502:0"
+    label_sorted_by: "crwdns787504:0crwdne787504:0"
+    label_sort_higher: "crwdns787506:0crwdne787506:0"
+    label_sort_lower: "crwdns787508:0crwdne787508:0"
+    label_sorting: "crwdns787510:0crwdne787510:0"
+    label_spent_time: "crwdns787512:0crwdne787512:0"
+    label_star_query: "crwdns787514:0crwdne787514:0"
+    label_press_enter_to_save: "crwdns787516:0crwdne787516:0"
+    label_public_query: "crwdns787518:0crwdne787518:0"
+    label_sum: "crwdns787520:0crwdne787520:0"
+    label_sum_for: "crwdns787522:0crwdne787522:0"
+    label_total_sum: "crwdns787524:0crwdne787524:0"
+    label_subject: "crwdns787526:0crwdne787526:0"
+    label_this_week: "crwdns787528:0crwdne787528:0"
+    label_today: "crwdns787530:0crwdne787530:0"
+    label_time_entry_plural: "crwdns787532:0crwdne787532:0"
+    label_up: "crwdns787534:0crwdne787534:0"
+    label_user_plural: "crwdns787536:0crwdne787536:0"
+    label_activity_show_only_comments: "crwdns787538:0crwdne787538:0"
+    label_activity_show_all: "crwdns787540:0crwdne787540:0"
+    label_total_progress: "crwdns787542:0%{percent}crwdne787542:0"
+    label_total_amount: "crwdns787544:0%{amount}crwdne787544:0"
+    label_updated_on: "crwdns787546:0crwdne787546:0"
+    label_value_derived_from_children: "crwdns787548:0crwdne787548:0"
+    label_children_derived_duration: "crwdns787550:0crwdne787550:0"
+    label_warning: "crwdns787552:0crwdne787552:0"
+    label_work_package: "crwdns787554:0crwdne787554:0"
+    label_work_package_parent: "crwdns787556:0crwdne787556:0"
+    label_work_package_plural: "crwdns787558:0crwdne787558:0"
+    label_watch: "crwdns787560:0crwdne787560:0"
+    label_watch_work_package: "crwdns787562:0crwdne787562:0"
+    label_watcher_added_successfully: "crwdns787564:0crwdne787564:0"
+    label_watcher_deleted_successfully: "crwdns787566:0crwdne787566:0"
+    label_work_package_details_you_are_here: "crwdns787568:0%{tab}crwdnd787568:0%{type}crwdnd787568:0%{subject}crwdne787568:0"
+    label_unwatch: "crwdns787570:0crwdne787570:0"
+    label_unwatch_work_package: "crwdns787572:0crwdne787572:0"
+    label_uploaded_by: "crwdns787574:0crwdne787574:0"
+    label_default_queries: "crwdns787576:0crwdne787576:0"
+    label_starred_queries: "crwdns787578:0crwdne787578:0"
+    label_global_queries: "crwdns787580:0crwdne787580:0"
+    label_custom_queries: "crwdns787582:0crwdne787582:0"
+    label_columns: "crwdns787584:0crwdne787584:0"
+    label_attachments: crwdns807696:0crwdne807696:0
+    label_drop_files: crwdns787588:0crwdne787588:0
+    label_drop_files_hint: crwdns787590:0crwdne787590:0
+    label_drop_folders_hint: crwdns787592:0crwdne787592:0
+    label_add_attachments: "crwdns787594:0crwdne787594:0"
+    label_formattable_attachment_hint: "crwdns787596:0crwdne787596:0"
+    label_remove_file: "crwdns787598:0%{fileName}crwdne787598:0"
+    label_remove_watcher: "crwdns787600:0%{name}crwdne787600:0"
+    label_remove_all_files: crwdns787602:0crwdne787602:0
+    label_add_description: "crwdns787604:0%{file}crwdne787604:0"
+    label_upload_notification: "crwdns787606:0crwdne787606:0"
+    label_work_package_upload_notification: "crwdns787608:0%{id}crwdnd787608:0%{subject}crwdne787608:0"
+    label_wp_id_added_by: "crwdns787610:0%{id}crwdnd787610:0%{author}crwdne787610:0"
+    label_files_to_upload: "crwdns787612:0crwdne787612:0"
+    label_rejected_files: "crwdns787614:0crwdne787614:0"
+    label_rejected_files_reason: "crwdns787616:0%{maximumFilesize}crwdne787616:0"
+    label_wait: "crwdns787618:0crwdne787618:0"
+    label_upload_counter: "crwdns787620:0%{done}crwdnd787620:0%{count}crwdne787620:0"
+    label_validation_error: "crwdns787622:0crwdne787622:0"
+    label_version_plural: "crwdns787624:0crwdne787624:0"
+    label_view_has_changed: "crwdns787626:0crwdne787626:0"
     help_texts:
-      show_modal: 'crwdns769438:0crwdne769438:0'
+      show_modal: 'crwdns787628:0crwdne787628:0'
     onboarding:
       buttons:
-        skip: 'crwdns769440:0crwdne769440:0'
-        next: 'crwdns769442:0crwdne769442:0'
-        got_it: 'crwdns769444:0crwdne769444:0'
+        skip: 'crwdns787630:0crwdne787630:0'
+        next: 'crwdns787632:0crwdne787632:0'
+        got_it: 'crwdns787634:0crwdne787634:0'
       steps:
-        help_menu: 'crwdns769446:0crwdne769446:0'
-        members: 'crwdns769448:0crwdne769448:0'
-        project_selection: 'crwdns769450:0crwdne769450:0'
-        quick_add_button: 'crwdns769452:0crwdne769452:0'
-        sidebar_arrow: "crwdns769454:0crwdne769454:0"
-        welcome: 'crwdns769456:0crwdne769456:0'
-        wiki: 'crwdns769458:0crwdne769458:0'
+        help_menu: 'crwdns787636:0crwdne787636:0'
+        members: 'crwdns787638:0crwdne787638:0'
+        project_selection: 'crwdns787640:0crwdne787640:0'
+        quick_add_button: 'crwdns787642:0crwdne787642:0'
+        sidebar_arrow: "crwdns787644:0crwdne787644:0"
+        welcome: 'crwdns787646:0crwdne787646:0'
+        wiki: 'crwdns787648:0crwdne787648:0'
         backlogs:
-          overview: "crwdns769460:0crwdne769460:0"
-          sprints: "crwdns769462:0crwdne769462:0"
-          task_board_arrow: 'crwdns769464:0crwdne769464:0'
-          task_board_select: 'crwdns769466:0crwdne769466:0'
-          task_board: "crwdns769468:0crwdne769468:0"
+          overview: "crwdns787650:0crwdne787650:0"
+          sprints: "crwdns787652:0crwdne787652:0"
+          task_board_arrow: 'crwdns787654:0crwdne787654:0'
+          task_board_select: 'crwdns787656:0crwdne787656:0'
+          task_board: "crwdns787658:0crwdne787658:0"
         boards:
-          overview: 'crwdns769470:0crwdne769470:0'
-          lists: 'crwdns769472:0crwdne769472:0'
-          add: 'crwdns769474:0crwdne769474:0'
-          drag: 'crwdns769476:0crwdne769476:0'
+          overview: 'crwdns787660:0crwdne787660:0'
+          lists_kanban: 'crwdns807698:0crwdne807698:0'
+          lists_basic: 'crwdns807700:0crwdne807700:0'
+          add: 'crwdns787664:0crwdne787664:0'
+          drag: 'crwdns787666:0crwdne787666:0'
         wp:
-          toggler: "crwdns769478:0crwdne769478:0"
-          list: 'crwdns769480:0crwdne769480:0'
-          full_view: 'crwdns769482:0crwdne769482:0'
-          back_button: 'crwdns769484:0crwdne769484:0'
-          create_button: 'crwdns769486:0crwdne769486:0'
-          timeline_button: 'crwdns769488:0crwdne769488:0'
-          timeline: 'crwdns769490:0crwdne769490:0'
+          toggler: "crwdns787668:0crwdne787668:0"
+          list: 'crwdns787670:0crwdne787670:0'
+          full_view: 'crwdns787672:0crwdne787672:0'
+          back_button: 'crwdns787674:0crwdne787674:0'
+          create_button: 'crwdns787676:0crwdne787676:0'
+          timeline_button: 'crwdns787678:0crwdne787678:0'
+          timeline: 'crwdns787680:0crwdne787680:0'
+        team_planner:
+          overview: 'crwdns807492:0crwdne807492:0'
+          calendar: 'crwdns807494:0crwdne807494:0'
+          add_assignee: 'crwdns807496:0crwdne807496:0'
+          add_existing: 'crwdns807498:0crwdne807498:0'
+          card: 'crwdns807500:0crwdne807500:0'
     notifications:
-      title: "crwdns769492:0crwdne769492:0"
-      no_unread: "crwdns769494:0crwdne769494:0"
+      title: "crwdns787682:0crwdne787682:0"
+      no_unread: "crwdns787684:0crwdne787684:0"
       reasons:
-        mentioned: 'crwdns769496:0crwdne769496:0'
-        watched: 'crwdns769498:0crwdne769498:0'
-        assigned: 'crwdns769500:0crwdne769500:0'
-        responsible: 'crwdns769502:0crwdne769502:0'
+        mentioned: 'crwdns787686:0crwdne787686:0'
+        watched: 'crwdns787688:0crwdne787688:0'
+        assigned: 'crwdns787690:0crwdne787690:0'
+        responsible: 'crwdns787692:0crwdne787692:0'
       facets:
-        unread: 'crwdns769504:0crwdne769504:0'
-        all: 'crwdns769506:0crwdne769506:0'
+        unread: 'crwdns787694:0crwdne787694:0'
+        all: 'crwdns787696:0crwdne787696:0'
       center:
         and_more_users:
-          one: 'crwdns769508:1crwdne769508:1'
-          other: 'crwdns769508:5%{count}crwdne769508:5'
+          one: 'crwdns787698:1crwdne787698:1'
+          other: 'crwdns787698:5%{count}crwdne787698:5'
         no_results:
-          at_all: 'crwdns769510:0crwdne769510:0'
-          with_current_filter: 'crwdns769512:0crwdne769512:0'
-        mark_all_read: 'crwdns769514:0crwdne769514:0'
-        mark_as_read: 'crwdns769516:0crwdne769516:0'
-        text_update_date: "crwdns769518:0%{date}crwdne769518:0"
-        total_count_warning: "crwdns769520:0%{newest_count}crwdnd769520:0%{more_count}crwdne769520:0"
+          at_all: 'crwdns787700:0crwdne787700:0'
+          with_current_filter: 'crwdns787702:0crwdne787702:0'
+        mark_all_read: 'crwdns787704:0crwdne787704:0'
+        mark_as_read: 'crwdns787706:0crwdne787706:0'
+        text_update_date: "crwdns787708:0%{date}crwdne787708:0"
+        total_count_warning: "crwdns787710:0%{newest_count}crwdnd787710:0%{more_count}crwdne787710:0"
         empty_state:
-          no_notification: "crwdns769522:0crwdne769522:0"
-          no_notification_with_current_filter: "crwdns769524:0crwdne769524:0"
-          no_selection: "crwdns769526:0crwdne769526:0"
+          no_notification: "crwdns787712:0crwdne787712:0"
+          no_notification_with_current_filter: "crwdns787714:0crwdne787714:0"
+          no_selection: "crwdns787716:0crwdne787716:0"
         new_notifications:
-          message: 'crwdns769528:0crwdne769528:0'
-          link_text: 'crwdns769530:0crwdne769530:0'
+          message: 'crwdns787718:0crwdne787718:0'
+          link_text: 'crwdns787720:0crwdne787720:0'
       menu:
-        accountable: 'crwdns769532:0crwdne769532:0'
-        assigned: 'crwdns769534:0crwdne769534:0'
-        by_project: 'crwdns769536:0crwdne769536:0'
-        by_reason: 'crwdns769538:0crwdne769538:0'
-        inbox: 'crwdns769540:0crwdne769540:0'
-        mentioned: 'crwdns769542:0crwdne769542:0'
-        watching: 'crwdns769544:0crwdne769544:0'
+        accountable: 'crwdns787722:0crwdne787722:0'
+        assigned: 'crwdns787724:0crwdne787724:0'
+        by_project: 'crwdns787726:0crwdne787726:0'
+        by_reason: 'crwdns787728:0crwdne787728:0'
+        inbox: 'crwdns787730:0crwdne787730:0'
+        mentioned: 'crwdns787732:0crwdne787732:0'
+        watching: 'crwdns787734:0crwdne787734:0'
       settings:
-        change_notification_settings: 'crwdns769546:0%{url}crwdne769546:0'
-        title: "crwdns769548:0crwdne769548:0"
-        notify_me: "crwdns769550:0crwdne769550:0"
+        change_notification_settings: 'crwdns787736:0%{url}crwdne787736:0'
+        title: "crwdns787738:0crwdne787738:0"
+        notify_me: "crwdns787740:0crwdne787740:0"
         reasons:
           mentioned:
-            title: 'crwdns769552:0crwdne769552:0'
-            description: 'crwdns769554:0crwdne769554:0'
+            title: 'crwdns787742:0crwdne787742:0'
+            description: 'crwdns787744:0crwdne787744:0'
           involved:
-            title: 'crwdns769556:0crwdne769556:0'
-            description: 'crwdns769558:0crwdne769558:0'
-          watched: 'crwdns769560:0crwdne769560:0'
-          work_package_commented: 'crwdns769562:0crwdne769562:0'
-          work_package_created: 'crwdns769564:0crwdne769564:0'
-          work_package_processed: 'crwdns769566:0crwdne769566:0'
-          work_package_prioritized: 'crwdns769568:0crwdne769568:0'
-          work_package_scheduled: 'crwdns769570:0crwdne769570:0'
+            title: 'crwdns787746:0crwdne787746:0'
+            description: 'crwdns787748:0crwdne787748:0'
+          watched: 'crwdns787750:0crwdne787750:0'
+          work_package_commented: 'crwdns787752:0crwdne787752:0'
+          work_package_created: 'crwdns787754:0crwdne787754:0'
+          work_package_processed: 'crwdns787756:0crwdne787756:0'
+          work_package_prioritized: 'crwdns787758:0crwdne787758:0'
+          work_package_scheduled: 'crwdns787760:0crwdne787760:0'
         global:
           immediately:
-            title: 'crwdns769572:0crwdne769572:0'
-            description: 'crwdns769574:0crwdne769574:0'
+            title: 'crwdns787762:0crwdne787762:0'
+            description: 'crwdns787764:0crwdne787764:0'
           delayed:
-            title: 'crwdns769576:0crwdne769576:0'
-            description: 'crwdns769578:0crwdne769578:0'
+            title: 'crwdns787766:0crwdne787766:0'
+            description: 'crwdns787768:0crwdne787768:0'
         project_specific:
-          title: 'crwdns769580:0crwdne769580:0'
-          description: 'crwdns769582:0crwdne769582:0'
-          add: 'crwdns769584:0crwdne769584:0'
-          already_selected: 'crwdns769586:0crwdne769586:0'
-          remove: 'crwdns769588:0crwdne769588:0'
+          title: 'crwdns787770:0crwdne787770:0'
+          description: 'crwdns787772:0crwdne787772:0'
+          add: 'crwdns787774:0crwdne787774:0'
+          already_selected: 'crwdns787776:0crwdne787776:0'
+          remove: 'crwdns787778:0crwdne787778:0'
     password_confirmation:
-      field_description: 'crwdns769590:0crwdne769590:0'
-      title: 'crwdns769592:0crwdne769592:0'
+      field_description: 'crwdns787780:0crwdne787780:0'
+      title: 'crwdns787782:0crwdne787782:0'
     pagination:
-      no_other_page: "crwdns769594:0crwdne769594:0"
+      no_other_page: "crwdns787784:0crwdne787784:0"
       pages:
-        next: "crwdns769596:0crwdne769596:0"
-        previous: "crwdns769598:0crwdne769598:0"
+        next: "crwdns787786:0crwdne787786:0"
+        previous: "crwdns787788:0crwdne787788:0"
     placeholders:
-      default: 'crwdns769600:0crwdne769600:0'
-      subject: 'crwdns769602:0crwdne769602:0'
-      selection: 'crwdns769604:0crwdne769604:0'
-      relation_description: 'crwdns769606:0crwdne769606:0'
+      default: 'crwdns787790:0crwdne787790:0'
+      subject: 'crwdns787792:0crwdne787792:0'
+      selection: 'crwdns787794:0crwdne787794:0'
+      relation_description: 'crwdns787796:0crwdne787796:0'
     project:
       required_outside_context: >
-        crwdns769608:0crwdne769608:0
-      context: 'crwdns769610:0crwdne769610:0'
-      work_package_belongs_to: 'crwdns769612:0%{projectname}crwdne769612:0'
-      click_to_switch_context: 'crwdns769614:0crwdne769614:0'
-      confirm_template_load: 'crwdns769616:0crwdne769616:0'
-      use_template: "crwdns769618:0crwdne769618:0"
-      no_template_selected: "crwdns769620:0crwdne769620:0"
+        crwdns787798:0crwdne787798:0
+      context: 'crwdns787800:0crwdne787800:0'
+      work_package_belongs_to: 'crwdns787802:0%{projectname}crwdne787802:0'
+      click_to_switch_context: 'crwdns787804:0crwdne787804:0'
+      confirm_template_load: 'crwdns787806:0crwdne787806:0'
+      use_template: "crwdns787808:0crwdne787808:0"
+      no_template_selected: "crwdns787810:0crwdne787810:0"
       copy:
-        copy_options: "crwdns769622:0crwdne769622:0"
+        copy_options: "crwdns787812:0crwdne787812:0"
       autocompleter:
-        label: 'crwdns769624:0crwdne769624:0'
+        label: 'crwdns787814:0crwdne787814:0'
     reminders:
       settings:
         daily:
-          add_time: 'crwdns769626:0crwdne769626:0'
-          enable: 'crwdns769628:0crwdne769628:0'
-          explanation: 'crwdns769630:0%{no_time_zone}crwdne769630:0'
-          no_time_zone: 'crwdns769632:0crwdne769632:0'
-          time_label: 'crwdns769634:0%{counter}crwdne769634:0'
-          title: 'crwdns769636:0crwdne769636:0'
+          add_time: 'crwdns787816:0crwdne787816:0'
+          enable: 'crwdns787818:0crwdne787818:0'
+          explanation: 'crwdns787820:0%{no_time_zone}crwdne787820:0'
+          no_time_zone: 'crwdns787822:0crwdne787822:0'
+          time_label: 'crwdns787824:0%{counter}crwdne787824:0'
+          title: 'crwdns787826:0crwdne787826:0'
         workdays:
-          title: 'crwdns769638:0crwdne769638:0'
+          title: 'crwdns787828:0crwdne787828:0'
         immediate:
-          title: 'crwdns769640:0crwdne769640:0'
-          mentioned: 'crwdns769642:0crwdne769642:0'
+          title: 'crwdns787830:0crwdne787830:0'
+          mentioned: 'crwdns787832:0crwdne787832:0'
         alerts:
-          title: 'crwdns769644:0crwdne769644:0'
+          title: 'crwdns787834:0crwdne787834:0'
           explanation: >
-            crwdns769646:0crwdne769646:0
-          news_added: 'crwdns769648:0crwdne769648:0'
-          news_commented: 'crwdns769650:0crwdne769650:0'
-          document_added: 'crwdns769652:0crwdne769652:0'
-          forum_messages: 'crwdns769654:0crwdne769654:0'
-          wiki_page_added: 'crwdns769656:0crwdne769656:0'
-          wiki_page_updated: 'crwdns769658:0crwdne769658:0'
-          membership_added: 'crwdns769660:0crwdne769660:0'
-          membership_updated: 'crwdns769662:0crwdne769662:0'
-        title: 'crwdns769664:0crwdne769664:0'
+            crwdns787836:0crwdne787836:0
+          news_added: 'crwdns787838:0crwdne787838:0'
+          news_commented: 'crwdns787840:0crwdne787840:0'
+          document_added: 'crwdns787842:0crwdne787842:0'
+          forum_messages: 'crwdns787844:0crwdne787844:0'
+          wiki_page_added: 'crwdns787846:0crwdne787846:0'
+          wiki_page_updated: 'crwdns787848:0crwdne787848:0'
+          membership_added: 'crwdns787850:0crwdne787850:0'
+          membership_updated: 'crwdns787852:0crwdne787852:0'
+        title: 'crwdns787854:0crwdne787854:0'
         pause:
-          label: 'crwdns769666:0crwdne769666:0'
-          first_day: 'crwdns769668:0crwdne769668:0'
-          last_day: 'crwdns769670:0crwdne769670:0'
-    text_are_you_sure: "crwdns769672:0crwdne769672:0"
-    text_data_lost: "crwdns769674:0crwdne769674:0"
+          label: 'crwdns787856:0crwdne787856:0'
+          first_day: 'crwdns787858:0crwdne787858:0'
+          last_day: 'crwdns787860:0crwdne787860:0'
+    text_are_you_sure: "crwdns787862:0crwdne787862:0"
+    text_data_lost: "crwdns787864:0crwdne787864:0"
     types:
       attribute_groups:
-        error_duplicate_group_name: "crwdns769676:0%{group}crwdne769676:0"
-        error_no_table_configured: "crwdns769678:0%{group}crwdne769678:0"
-        reset_title: "crwdns769680:0crwdne769680:0"
+        error_duplicate_group_name: "crwdns787866:0%{group}crwdne787866:0"
+        error_no_table_configured: "crwdns787868:0%{group}crwdne787868:0"
+        reset_title: "crwdns787870:0crwdne787870:0"
         confirm_reset: >
-          crwdns769682:0crwdne769682:0
-        upgrade_to_ee: "crwdns769684:0crwdne769684:0"
-        upgrade_to_ee_text: "crwdns769686:0crwdne769686:0"
-        more_information: "crwdns769688:0crwdne769688:0"
-        nevermind: "crwdns769690:0crwdne769690:0"
+          crwdns787872:0crwdne787872:0
+        upgrade_to_ee: "crwdns787874:0crwdne787874:0"
+        upgrade_to_ee_text: "crwdns787876:0crwdne787876:0"
+        more_information: "crwdns787878:0crwdne787878:0"
+        nevermind: "crwdns787880:0crwdne787880:0"
       edit:
-        form_configuration: "crwdns769692:0crwdne769692:0"
-        projects: "crwdns769694:0crwdne769694:0"
-        settings: "crwdns769696:0crwdne769696:0"
+        form_configuration: "crwdns787882:0crwdne787882:0"
+        projects: "crwdns787884:0crwdne787884:0"
+        settings: "crwdns787886:0crwdne787886:0"
     time_entry:
-      project: 'crwdns769698:0crwdne769698:0'
-      work_package: 'crwdns769700:0crwdne769700:0'
-      work_package_required: 'crwdns769702:0crwdne769702:0'
-      activity: 'crwdns769704:0crwdne769704:0'
-      comment: 'crwdns769706:0crwdne769706:0'
-      duration: 'crwdns769708:0crwdne769708:0'
-      spent_on: 'crwdns769710:0crwdne769710:0'
-      hours: 'crwdns769712:0crwdne769712:0'
-      title: 'crwdns769714:0crwdne769714:0'
+      project: 'crwdns787888:0crwdne787888:0'
+      work_package: 'crwdns787890:0crwdne787890:0'
+      work_package_required: 'crwdns787892:0crwdne787892:0'
+      activity: 'crwdns787894:0crwdne787894:0'
+      comment: 'crwdns787896:0crwdne787896:0'
+      duration: 'crwdns787898:0crwdne787898:0'
+      spent_on: 'crwdns787900:0crwdne787900:0'
+      hours: 'crwdns787902:0crwdne787902:0'
+      title: 'crwdns787904:0crwdne787904:0'
     two_factor_authentication:
-      label_two_factor_authentication: 'crwdns769716:0crwdne769716:0'
+      label_two_factor_authentication: 'crwdns787906:0crwdne787906:0'
     watchers:
-      label_loading: crwdns769718:0crwdne769718:0
-      label_error_loading: crwdns769720:0crwdne769720:0
-      label_search_watchers: crwdns769722:0crwdne769722:0
-      label_add: crwdns769724:0crwdne769724:0
-      label_discard: crwdns769726:0crwdne769726:0
-      typeahead_placeholder: crwdns769728:0crwdne769728:0
+      label_loading: crwdns787908:0crwdne787908:0
+      label_error_loading: crwdns787910:0crwdne787910:0
+      label_search_watchers: crwdns787912:0crwdne787912:0
+      label_add: crwdns787914:0crwdne787914:0
+      label_discard: crwdns787916:0crwdne787916:0
+      typeahead_placeholder: crwdns787918:0crwdne787918:0
     relation_labels:
-      parent: "crwdns769730:0crwdne769730:0"
-      children: "crwdns769732:0crwdne769732:0"
-      relates: "crwdns769734:0crwdne769734:0"
-      duplicates: "crwdns769736:0crwdne769736:0"
-      duplicated: "crwdns769738:0crwdne769738:0"
-      blocks: "crwdns769740:0crwdne769740:0"
-      blocked: "crwdns769742:0crwdne769742:0"
-      precedes: "crwdns769744:0crwdne769744:0"
-      follows: "crwdns769746:0crwdne769746:0"
-      includes: "crwdns769748:0crwdne769748:0"
-      partof: "crwdns769750:0crwdne769750:0"
-      requires: "crwdns769752:0crwdne769752:0"
-      required: "crwdns769754:0crwdne769754:0"
-      relation_type: "crwdns769756:0crwdne769756:0"
+      parent: "crwdns787920:0crwdne787920:0"
+      children: "crwdns787922:0crwdne787922:0"
+      relates: "crwdns787924:0crwdne787924:0"
+      duplicates: "crwdns787926:0crwdne787926:0"
+      duplicated: "crwdns787928:0crwdne787928:0"
+      blocks: "crwdns787930:0crwdne787930:0"
+      blocked: "crwdns787932:0crwdne787932:0"
+      precedes: "crwdns787934:0crwdne787934:0"
+      follows: "crwdns787936:0crwdne787936:0"
+      includes: "crwdns787938:0crwdne787938:0"
+      partof: "crwdns787940:0crwdne787940:0"
+      requires: "crwdns787942:0crwdne787942:0"
+      required: "crwdns787944:0crwdne787944:0"
+      relation_type: "crwdns787946:0crwdne787946:0"
     relations_hierarchy:
-      parent_headline: "crwdns769758:0crwdne769758:0"
-      hierarchy_headline: "crwdns769760:0crwdne769760:0"
-      children_headline: "crwdns769762:0crwdne769762:0"
+      parent_headline: "crwdns787948:0crwdne787948:0"
+      hierarchy_headline: "crwdns787950:0crwdne787950:0"
+      children_headline: "crwdns787952:0crwdne787952:0"
     relation_buttons:
-      set_parent: "crwdns769764:0crwdne769764:0"
-      change_parent: "crwdns769766:0crwdne769766:0"
-      remove_parent: "crwdns769768:0crwdne769768:0"
-      hierarchy_indent: "crwdns769770:0crwdne769770:0"
-      hierarchy_outdent: "crwdns769772:0crwdne769772:0"
-      group_by_wp_type: "crwdns769774:0crwdne769774:0"
-      group_by_relation_type: "crwdns769776:0crwdne769776:0"
-      add_parent: "crwdns769778:0crwdne769778:0"
-      add_new_child: "crwdns769780:0crwdne769780:0"
-      create_new: "crwdns769782:0crwdne769782:0"
-      add_existing: "crwdns769784:0crwdne769784:0"
-      add_existing_child: "crwdns769786:0crwdne769786:0"
-      remove_child: "crwdns769788:0crwdne769788:0"
-      add_new_relation: "crwdns769790:0crwdne769790:0"
-      add_existing_relation: "crwdns769792:0crwdne769792:0"
-      update_description: "crwdns769794:0crwdne769794:0"
-      toggle_description: "crwdns769796:0crwdne769796:0"
-      update_relation: "crwdns769798:0crwdne769798:0"
-      add_follower: "crwdns769800:0crwdne769800:0"
-      add_predecessor: "crwdns769802:0crwdne769802:0"
-      remove: "crwdns769804:0crwdne769804:0"
-      save: "crwdns769806:0crwdne769806:0"
-      abort: "crwdns769808:0crwdne769808:0"
+      set_parent: "crwdns787954:0crwdne787954:0"
+      change_parent: "crwdns787956:0crwdne787956:0"
+      remove_parent: "crwdns787958:0crwdne787958:0"
+      hierarchy_indent: "crwdns787960:0crwdne787960:0"
+      hierarchy_outdent: "crwdns787962:0crwdne787962:0"
+      group_by_wp_type: "crwdns787964:0crwdne787964:0"
+      group_by_relation_type: "crwdns787966:0crwdne787966:0"
+      add_parent: "crwdns787968:0crwdne787968:0"
+      add_new_child: "crwdns787970:0crwdne787970:0"
+      create_new: "crwdns787972:0crwdne787972:0"
+      add_existing: "crwdns787974:0crwdne787974:0"
+      add_existing_child: "crwdns787976:0crwdne787976:0"
+      remove_child: "crwdns787978:0crwdne787978:0"
+      add_new_relation: "crwdns787980:0crwdne787980:0"
+      add_existing_relation: "crwdns787982:0crwdne787982:0"
+      update_description: "crwdns787984:0crwdne787984:0"
+      toggle_description: "crwdns787986:0crwdne787986:0"
+      update_relation: "crwdns787988:0crwdne787988:0"
+      add_follower: "crwdns787990:0crwdne787990:0"
+      add_predecessor: "crwdns787992:0crwdne787992:0"
+      remove: "crwdns787994:0crwdne787994:0"
+      save: "crwdns787996:0crwdne787996:0"
+      abort: "crwdns787998:0crwdne787998:0"
     relations_autocomplete:
-      placeholder: "crwdns769810:0crwdne769810:0"
-      parent_placeholder: "crwdns769812:0crwdne769812:0"
+      placeholder: "crwdns788000:0crwdne788000:0"
+      parent_placeholder: "crwdns788002:0crwdne788002:0"
     autocompleter:
-      placeholder: "crwdns769814:0crwdne769814:0"
-      notFoundText: "crwdns769816:0crwdne769816:0"
-      typeToSearchText: "crwdns769818:0crwdne769818:0"
+      placeholder: "crwdns788004:0crwdne788004:0"
+      notFoundText: "crwdns788006:0crwdne788006:0"
+      typeToSearchText: "crwdns788008:0crwdne788008:0"
     repositories:
-      select_tag: 'crwdns769820:0crwdne769820:0'
-      select_branch: 'crwdns769822:0crwdne769822:0'
-    field_value_enter_prompt: "crwdns769824:0%{field}crwdne769824:0"
-    project_menu_details: "crwdns769826:0crwdne769826:0"
+      select_tag: 'crwdns788010:0crwdne788010:0'
+      select_branch: 'crwdns788012:0crwdne788012:0'
+    field_value_enter_prompt: "crwdns788014:0%{field}crwdne788014:0"
+    project_menu_details: "crwdns788016:0crwdne788016:0"
     scheduling:
-      manual: 'crwdns769828:0crwdne769828:0'
-      automatic: 'crwdns769830:0crwdne769830:0'
+      manual: 'crwdns788018:0crwdne788018:0'
+      automatic: 'crwdns788020:0crwdne788020:0'
     sort:
-      sorted_asc: 'crwdns769832:0crwdne769832:0'
-      sorted_dsc: 'crwdns769834:0crwdne769834:0'
-      sorted_no: 'crwdns769836:0crwdne769836:0'
-      sorting_disabled: 'crwdns769838:0crwdne769838:0'
-      activate_asc: 'crwdns769840:0crwdne769840:0'
-      activate_dsc: 'crwdns769842:0crwdne769842:0'
-      activate_no: 'crwdns769844:0crwdne769844:0'
-    text_work_packages_destroy_confirmation: "crwdns769846:0crwdne769846:0"
-    text_query_destroy_confirmation: "crwdns769848:0crwdne769848:0"
-    text_attachment_destroy_confirmation: "crwdns769850:0crwdne769850:0"
+      sorted_asc: 'crwdns788022:0crwdne788022:0'
+      sorted_dsc: 'crwdns788024:0crwdne788024:0'
+      sorted_no: 'crwdns788026:0crwdne788026:0'
+      sorting_disabled: 'crwdns788028:0crwdne788028:0'
+      activate_asc: 'crwdns788030:0crwdne788030:0'
+      activate_dsc: 'crwdns788032:0crwdne788032:0'
+      activate_no: 'crwdns788034:0crwdne788034:0'
+    text_work_packages_destroy_confirmation: "crwdns788036:0crwdne788036:0"
+    text_query_destroy_confirmation: "crwdns788038:0crwdne788038:0"
+    text_attachment_destroy_confirmation: "crwdns788040:0crwdne788040:0"
     timelines:
-      quarter_label: 'crwdns769852:0%{quarter_number}crwdne769852:0'
-      gantt_chart: 'crwdns769854:0crwdne769854:0'
+      quarter_label: 'crwdns788042:0%{quarter_number}crwdne788042:0'
+      gantt_chart: 'crwdns788044:0crwdne788044:0'
       labels:
-        title: 'crwdns769856:0crwdne769856:0'
-        bar: 'crwdns769858:0crwdne769858:0'
-        left: 'crwdns769860:0crwdne769860:0'
-        right: 'crwdns769862:0crwdne769862:0'
-        farRight: 'crwdns769864:0crwdne769864:0'
-        showNone: 'crwdns769866:0crwdne769866:0'
+        title: 'crwdns788046:0crwdne788046:0'
+        bar: 'crwdns788048:0crwdne788048:0'
+        left: 'crwdns788050:0crwdne788050:0'
+        right: 'crwdns788052:0crwdne788052:0'
+        farRight: 'crwdns788054:0crwdne788054:0'
+        showNone: 'crwdns788056:0crwdne788056:0'
         description: >
-          crwdns769868:0crwdne769868:0
-      button_activate: 'crwdns769870:0crwdne769870:0'
-      button_deactivate: 'crwdns769872:0crwdne769872:0'
-      cancel: crwdns769874:0crwdne769874:0
-      change: "crwdns769876:0crwdne769876:0"
-      due_date: "crwdns769878:0crwdne769878:0"
-      empty: "crwdns769880:0crwdne769880:0"
-      error: "crwdns769882:0crwdne769882:0"
+          crwdns788058:0crwdne788058:0
+      button_activate: 'crwdns788060:0crwdne788060:0'
+      button_deactivate: 'crwdns788062:0crwdne788062:0'
+      cancel: crwdns788064:0crwdne788064:0
+      change: "crwdns788066:0crwdne788066:0"
+      due_date: "crwdns788068:0crwdne788068:0"
+      empty: "crwdns788070:0crwdne788070:0"
+      error: "crwdns788072:0crwdne788072:0"
       errors:
-        not_implemented: "crwdns769884:0crwdne769884:0"
-        report_comparison: "crwdns769886:0crwdne769886:0"
-        report_epicfail: "crwdns769888:0crwdne769888:0"
-        report_timeout: "crwdns769890:0crwdne769890:0"
+        not_implemented: "crwdns788074:0crwdne788074:0"
+        report_comparison: "crwdns788076:0crwdne788076:0"
+        report_epicfail: "crwdns788078:0crwdne788078:0"
+        report_timeout: "crwdns788080:0crwdne788080:0"
       filter:
-        grouping_other: "crwdns769892:0crwdne769892:0"
-        noneSelection: "crwdns769894:0crwdne769894:0"
-      name: "crwdns769896:0crwdne769896:0"
-      outline: "crwdns769898:0crwdne769898:0"
+        grouping_other: "crwdns788082:0crwdne788082:0"
+        noneSelection: "crwdns788084:0crwdne788084:0"
+      name: "crwdns788086:0crwdne788086:0"
+      outline: "crwdns788088:0crwdne788088:0"
       outlines:
-        aggregation: "crwdns769900:0crwdne769900:0"
-        level1: "crwdns769902:0crwdne769902:0"
-        level2: "crwdns769904:0crwdne769904:0"
-        level3: "crwdns769906:0crwdne769906:0"
-        level4: "crwdns769908:0crwdne769908:0"
-        level5: "crwdns769910:0crwdne769910:0"
-        all: "crwdns769912:0crwdne769912:0"
-      project_status: "crwdns769914:0crwdne769914:0"
-      really_close_dialog: "crwdns769916:0crwdne769916:0"
-      responsible: "crwdns769918:0crwdne769918:0"
-      save: crwdns769920:0crwdne769920:0
-      start_date: "crwdns769922:0crwdne769922:0"
-      tooManyProjects: "crwdns769924:0%{count}crwdne769924:0"
+        aggregation: "crwdns788090:0crwdne788090:0"
+        level1: "crwdns788092:0crwdne788092:0"
+        level2: "crwdns788094:0crwdne788094:0"
+        level3: "crwdns788096:0crwdne788096:0"
+        level4: "crwdns788098:0crwdne788098:0"
+        level5: "crwdns788100:0crwdne788100:0"
+        all: "crwdns788102:0crwdne788102:0"
+      project_status: "crwdns788104:0crwdne788104:0"
+      really_close_dialog: "crwdns788106:0crwdne788106:0"
+      responsible: "crwdns788108:0crwdne788108:0"
+      save: crwdns788110:0crwdne788110:0
+      start_date: "crwdns788112:0crwdne788112:0"
+      tooManyProjects: "crwdns788114:0%{count}crwdne788114:0"
       selection_mode:
-        notification: 'crwdns769926:0crwdne769926:0'
+        notification: 'crwdns788116:0crwdne788116:0'
       zoom:
-        in: "crwdns769928:0crwdne769928:0"
-        out: "crwdns769930:0crwdne769930:0"
-        auto: "crwdns769932:0crwdne769932:0"
-        days: "crwdns769934:0crwdne769934:0"
-        weeks: "crwdns769936:0crwdne769936:0"
-        months: "crwdns769938:0crwdne769938:0"
-        quarters: "crwdns769940:0crwdne769940:0"
-        years: "crwdns769942:0crwdne769942:0"
-        slider: "crwdns769944:0crwdne769944:0"
+        in: "crwdns788118:0crwdne788118:0"
+        out: "crwdns788120:0crwdne788120:0"
+        auto: "crwdns788122:0crwdne788122:0"
+        days: "crwdns788124:0crwdne788124:0"
+        weeks: "crwdns788126:0crwdne788126:0"
+        months: "crwdns788128:0crwdne788128:0"
+        quarters: "crwdns788130:0crwdne788130:0"
+        years: "crwdns788132:0crwdne788132:0"
+        slider: "crwdns788134:0crwdne788134:0"
         description: >
-          crwdns769946:0crwdne769946:0
+          crwdns788136:0crwdne788136:0
     tl_toolbar:
-      zooms: "crwdns769948:0crwdne769948:0"
-      outlines: "crwdns769950:0crwdne769950:0"
+      zooms: "crwdns788138:0crwdne788138:0"
+      outlines: "crwdns788140:0crwdne788140:0"
     upsale:
-      ee_only: 'crwdns769952:0crwdne769952:0'
+      ee_only: 'crwdns788142:0crwdne788142:0'
     wiki_formatting:
-      strong: "crwdns769954:0crwdne769954:0"
-      italic: "crwdns769956:0crwdne769956:0"
-      underline: "crwdns769958:0crwdne769958:0"
-      deleted: "crwdns769960:0crwdne769960:0"
-      code: "crwdns769962:0crwdne769962:0"
-      heading1: "crwdns769964:0crwdne769964:0"
-      heading2: "crwdns769966:0crwdne769966:0"
-      heading3: "crwdns769968:0crwdne769968:0"
-      unordered_list: "crwdns769970:0crwdne769970:0"
-      ordered_list: "crwdns769972:0crwdne769972:0"
-      quote: "crwdns769974:0crwdne769974:0"
-      unquote: "crwdns769976:0crwdne769976:0"
-      preformatted_text: "crwdns769978:0crwdne769978:0"
-      wiki_link: "crwdns769980:0crwdne769980:0"
-      image: "crwdns769982:0crwdne769982:0"
+      strong: "crwdns788144:0crwdne788144:0"
+      italic: "crwdns788146:0crwdne788146:0"
+      underline: "crwdns788148:0crwdne788148:0"
+      deleted: "crwdns788150:0crwdne788150:0"
+      code: "crwdns788152:0crwdne788152:0"
+      heading1: "crwdns788154:0crwdne788154:0"
+      heading2: "crwdns788156:0crwdne788156:0"
+      heading3: "crwdns788158:0crwdne788158:0"
+      unordered_list: "crwdns788160:0crwdne788160:0"
+      ordered_list: "crwdns788162:0crwdne788162:0"
+      quote: "crwdns788164:0crwdne788164:0"
+      unquote: "crwdns788166:0crwdne788166:0"
+      preformatted_text: "crwdns788168:0crwdne788168:0"
+      wiki_link: "crwdns788170:0crwdne788170:0"
+      image: "crwdns788172:0crwdne788172:0"
     work_packages:
       bulk_actions:
-        move: 'crwdns769984:0crwdne769984:0'
-        edit: 'crwdns769986:0crwdne769986:0'
-        copy: 'crwdns769988:0crwdne769988:0'
-        delete: 'crwdns769990:0crwdne769990:0'
-      button_clear: "crwdns769992:0crwdne769992:0"
-      comment_added: "crwdns769994:0crwdne769994:0"
-      comment_send_failed: "crwdns769996:0crwdne769996:0"
-      comment_updated: "crwdns769998:0crwdne769998:0"
-      confirm_edit_cancel: "crwdns770000:0crwdne770000:0"
-      description_filter: "crwdns770002:0crwdne770002:0"
-      description_enter_text: "crwdns770004:0crwdne770004:0"
-      description_options_hide: "crwdns770006:0crwdne770006:0"
-      description_options_show: "crwdns770008:0crwdne770008:0"
-      edit_attribute: "crwdns770010:0%{attribute}crwdne770010:0"
-      key_value: "crwdns770012:0%{key}crwdnd770012:0%{value}crwdne770012:0"
-      label_enable_multi_select: "crwdns770014:0crwdne770014:0"
-      label_disable_multi_select: "crwdns770016:0crwdne770016:0"
-      label_filter_add: "crwdns770018:0crwdne770018:0"
-      label_filter_by_text: "crwdns770020:0crwdne770020:0"
-      label_options: "crwdns770022:0crwdne770022:0"
-      label_column_multiselect: "crwdns770024:0crwdne770024:0"
-      message_error_during_bulk_delete: crwdns770026:0crwdne770026:0
-      message_successful_bulk_delete: crwdns770028:0crwdne770028:0
-      message_successful_show_in_fullscreen: "crwdns770030:0crwdne770030:0"
-      message_view_spent_time: "crwdns770032:0crwdne770032:0"
-      message_work_package_read_only: "crwdns770034:0crwdne770034:0"
-      message_work_package_status_blocked: "crwdns770036:0crwdne770036:0"
-      placeholder_filter_by_text: "crwdns770038:0crwdne770038:0"
+        move: 'crwdns788174:0crwdne788174:0'
+        edit: 'crwdns788176:0crwdne788176:0'
+        copy: 'crwdns788178:0crwdne788178:0'
+        delete: 'crwdns788180:0crwdne788180:0'
+      button_clear: "crwdns788182:0crwdne788182:0"
+      comment_added: "crwdns788184:0crwdne788184:0"
+      comment_send_failed: "crwdns788186:0crwdne788186:0"
+      comment_updated: "crwdns788188:0crwdne788188:0"
+      confirm_edit_cancel: "crwdns788190:0crwdne788190:0"
+      description_filter: "crwdns788192:0crwdne788192:0"
+      description_enter_text: "crwdns788194:0crwdne788194:0"
+      description_options_hide: "crwdns788196:0crwdne788196:0"
+      description_options_show: "crwdns788198:0crwdne788198:0"
+      edit_attribute: "crwdns788200:0%{attribute}crwdne788200:0"
+      key_value: "crwdns788202:0%{key}crwdnd788202:0%{value}crwdne788202:0"
+      label_enable_multi_select: "crwdns788204:0crwdne788204:0"
+      label_disable_multi_select: "crwdns788206:0crwdne788206:0"
+      label_filter_add: "crwdns788208:0crwdne788208:0"
+      label_filter_by_text: "crwdns788210:0crwdne788210:0"
+      label_options: "crwdns788212:0crwdne788212:0"
+      label_column_multiselect: "crwdns788214:0crwdne788214:0"
+      message_error_during_bulk_delete: crwdns788216:0crwdne788216:0
+      message_successful_bulk_delete: crwdns788218:0crwdne788218:0
+      message_successful_show_in_fullscreen: "crwdns788220:0crwdne788220:0"
+      message_view_spent_time: "crwdns788222:0crwdne788222:0"
+      message_work_package_read_only: "crwdns788224:0crwdne788224:0"
+      message_work_package_status_blocked: "crwdns788226:0crwdne788226:0"
+      placeholder_filter_by_text: "crwdns788228:0crwdne788228:0"
       inline_create:
-        title: 'crwdns770040:0crwdne770040:0'
+        title: 'crwdns788230:0crwdne788230:0'
       create:
-        title: 'crwdns770042:0crwdne770042:0'
-        header: 'crwdns770044:0%{type}crwdne770044:0'
-        header_no_type: 'crwdns770046:0crwdne770046:0'
-        header_with_parent: 'crwdns770048:0%{type}crwdnd770048:0%{parent_type}crwdnd770048:0%{id}crwdne770048:0'
-        button: 'crwdns770050:0crwdne770050:0'
+        title: 'crwdns788232:0crwdne788232:0'
+        header: 'crwdns788234:0%{type}crwdne788234:0'
+        header_no_type: 'crwdns788236:0crwdne788236:0'
+        header_with_parent: 'crwdns788238:0%{type}crwdnd788238:0%{parent_type}crwdnd788238:0%{id}crwdne788238:0'
+        button: 'crwdns788240:0crwdne788240:0'
       copy:
-        title: 'crwdns770052:0crwdne770052:0'
+        title: 'crwdns788242:0crwdne788242:0'
       hierarchy:
-        show: "crwdns770054:0crwdne770054:0"
-        hide: "crwdns770056:0crwdne770056:0"
-        toggle_button: 'crwdns770058:0crwdne770058:0'
-        leaf: 'crwdns770060:0%{level}crwdne770060:0'
-        children_collapsed: 'crwdns770062:0%{level}crwdne770062:0'
-        children_expanded: 'crwdns770064:0%{level}crwdne770064:0'
+        show: "crwdns788244:0crwdne788244:0"
+        hide: "crwdns788246:0crwdne788246:0"
+        toggle_button: 'crwdns788248:0crwdne788248:0'
+        leaf: 'crwdns788250:0%{level}crwdne788250:0'
+        children_collapsed: 'crwdns788252:0%{level}crwdne788252:0'
+        children_expanded: 'crwdns788254:0%{level}crwdne788254:0'
       faulty_query:
-        title: crwdns770066:0crwdne770066:0
-        description: crwdns770068:0crwdne770068:0
+        title: crwdns788256:0crwdne788256:0
+        description: crwdns788258:0crwdne788258:0
       no_results:
-        title: crwdns770070:0crwdne770070:0
-        description: crwdns770072:0crwdne770072:0
-      limited_results: crwdns770074:0%{count}crwdne770074:0
+        title: crwdns788260:0crwdne788260:0
+        description: crwdns788262:0crwdne788262:0
+      limited_results: crwdns788264:0%{count}crwdne788264:0
       property_groups:
-        details: "crwdns770076:0crwdne770076:0"
-        people: "crwdns770078:0crwdne770078:0"
-        estimatesAndTime: "crwdns770080:0crwdne770080:0"
-        other: "crwdns770082:0crwdne770082:0"
+        details: "crwdns788266:0crwdne788266:0"
+        people: "crwdns788268:0crwdne788268:0"
+        estimatesAndTime: "crwdns788270:0crwdne788270:0"
+        other: "crwdns788272:0crwdne788272:0"
       properties:
-        assignee: "crwdns770084:0crwdne770084:0"
-        author: "crwdns770086:0crwdne770086:0"
-        createdAt: "crwdns770088:0crwdne770088:0"
-        description: "crwdns770090:0crwdne770090:0"
-        date: "crwdns770092:0crwdne770092:0"
-        dueDate: "crwdns770094:0crwdne770094:0"
-        estimatedTime: "crwdns770096:0crwdne770096:0"
-        spentTime: "crwdns770098:0crwdne770098:0"
-        category: "crwdns770100:0crwdne770100:0"
-        percentageDone: "crwdns770102:0crwdne770102:0"
-        priority: "crwdns770104:0crwdne770104:0"
-        projectName: "crwdns770106:0crwdne770106:0"
-        responsible: "crwdns770108:0crwdne770108:0"
-        startDate: "crwdns770110:0crwdne770110:0"
-        status: "crwdns770112:0crwdne770112:0"
-        subject: "crwdns770114:0crwdne770114:0"
-        subproject: "crwdns770116:0crwdne770116:0"
-        title: "crwdns770118:0crwdne770118:0"
-        type: "crwdns770120:0crwdne770120:0"
-        updatedAt: "crwdns770122:0crwdne770122:0"
-        versionName: "crwdns770124:0crwdne770124:0"
-        version: "crwdns770126:0crwdne770126:0"
+        assignee: "crwdns788274:0crwdne788274:0"
+        author: "crwdns788276:0crwdne788276:0"
+        createdAt: "crwdns788278:0crwdne788278:0"
+        description: "crwdns788280:0crwdne788280:0"
+        date: "crwdns788282:0crwdne788282:0"
+        dueDate: "crwdns788284:0crwdne788284:0"
+        estimatedTime: "crwdns788286:0crwdne788286:0"
+        spentTime: "crwdns788288:0crwdne788288:0"
+        category: "crwdns788290:0crwdne788290:0"
+        percentageDone: "crwdns788292:0crwdne788292:0"
+        priority: "crwdns788294:0crwdne788294:0"
+        projectName: "crwdns788296:0crwdne788296:0"
+        responsible: "crwdns788298:0crwdne788298:0"
+        startDate: "crwdns788300:0crwdne788300:0"
+        status: "crwdns788302:0crwdne788302:0"
+        subject: "crwdns788304:0crwdne788304:0"
+        subproject: "crwdns788306:0crwdne788306:0"
+        title: "crwdns788308:0crwdne788308:0"
+        type: "crwdns788310:0crwdne788310:0"
+        updatedAt: "crwdns788312:0crwdne788312:0"
+        versionName: "crwdns788314:0crwdne788314:0"
+        version: "crwdns788316:0crwdne788316:0"
       default_queries:
-        latest_activity: "crwdns770128:0crwdne770128:0"
-        created_by_me: "crwdns770130:0crwdne770130:0"
-        assigned_to_me: "crwdns770132:0crwdne770132:0"
-        recently_created: "crwdns770134:0crwdne770134:0"
-        all_open: "crwdns770136:0crwdne770136:0"
-        summary: "crwdns770138:0crwdne770138:0"
+        latest_activity: "crwdns788318:0crwdne788318:0"
+        created_by_me: "crwdns788320:0crwdne788320:0"
+        assigned_to_me: "crwdns788322:0crwdne788322:0"
+        recently_created: "crwdns788324:0crwdne788324:0"
+        all_open: "crwdns788326:0crwdne788326:0"
+        summary: "crwdns788328:0crwdne788328:0"
       jump_marks:
-        pagination: "crwdns770140:0crwdne770140:0"
-        label_pagination: "crwdns770142:0crwdne770142:0"
-        content: "crwdns770144:0crwdne770144:0"
-        label_content: "crwdns770146:0crwdne770146:0"
+        pagination: "crwdns788330:0crwdne788330:0"
+        label_pagination: "crwdns788332:0crwdne788332:0"
+        content: "crwdns788334:0crwdne788334:0"
+        label_content: "crwdns788336:0crwdne788336:0"
       placeholders:
-        default: "crwdns770148:0crwdne770148:0"
-        date: "crwdns770150:0crwdne770150:0"
-        formattable: "crwdns770152:0%{name}crwdne770152:0"
+        default: "crwdns788338:0crwdne788338:0"
+        date: "crwdns788340:0crwdne788340:0"
+        formattable: "crwdns788342:0%{name}crwdne788342:0"
       query:
-        column_names: "crwdns770154:0crwdne770154:0"
-        group_by: "crwdns770156:0crwdne770156:0"
-        group: "crwdns770158:0crwdne770158:0"
-        group_by_disabled_by_hierarchy: "crwdns770160:0crwdne770160:0"
-        hierarchy_disabled_by_group_by: "crwdns770162:0%{column}crwdne770162:0"
-        sort_ascending: "crwdns770164:0crwdne770164:0"
-        sort_descending: "crwdns770166:0crwdne770166:0"
-        move_column_left: "crwdns770168:0crwdne770168:0"
-        move_column_right: "crwdns770170:0crwdne770170:0"
-        hide_column: "crwdns770172:0crwdne770172:0"
-        insert_columns: "crwdns770174:0crwdne770174:0"
-        filters: "crwdns770176:0crwdne770176:0"
-        display_sums: "crwdns770178:0crwdne770178:0"
-        confirm_edit_cancel: "crwdns770180:0crwdne770180:0"
-        click_to_edit_query_name: "crwdns770182:0crwdne770182:0"
-        rename_query_placeholder: "crwdns770184:0crwdne770184:0"
-        star_text: "crwdns770186:0crwdne770186:0"
+        column_names: "crwdns788344:0crwdne788344:0"
+        group_by: "crwdns788346:0crwdne788346:0"
+        group: "crwdns788348:0crwdne788348:0"
+        group_by_disabled_by_hierarchy: "crwdns788350:0crwdne788350:0"
+        hierarchy_disabled_by_group_by: "crwdns788352:0%{column}crwdne788352:0"
+        sort_ascending: "crwdns788354:0crwdne788354:0"
+        sort_descending: "crwdns788356:0crwdne788356:0"
+        move_column_left: "crwdns788358:0crwdne788358:0"
+        move_column_right: "crwdns788360:0crwdne788360:0"
+        hide_column: "crwdns788362:0crwdne788362:0"
+        insert_columns: "crwdns788364:0crwdne788364:0"
+        filters: "crwdns788366:0crwdne788366:0"
+        display_sums: "crwdns788368:0crwdne788368:0"
+        confirm_edit_cancel: "crwdns788370:0crwdne788370:0"
+        click_to_edit_query_name: "crwdns788372:0crwdne788372:0"
+        rename_query_placeholder: "crwdns788374:0crwdne788374:0"
+        star_text: "crwdns788376:0crwdne788376:0"
         public_text: >
-          crwdns770188:0crwdne770188:0
+          crwdns788378:0crwdne788378:0
         errors:
-          unretrievable_query: "crwdns770190:0crwdne770190:0"
-          not_found: "crwdns770192:0crwdne770192:0"
-          duplicate_query_title: "crwdns770194:0crwdne770194:0"
-        text_no_results: "crwdns770196:0crwdne770196:0"
+          unretrievable_query: "crwdns788380:0crwdne788380:0"
+          not_found: "crwdns788382:0crwdne788382:0"
+          duplicate_query_title: "crwdns788384:0crwdne788384:0"
+        text_no_results: "crwdns788386:0crwdne788386:0"
       scheduling:
-        is_parent: "crwdns770198:0crwdne770198:0"
-        is_switched_from_manual_to_automatic: "crwdns770200:0crwdne770200:0"
+        is_parent: "crwdns788388:0crwdne788388:0"
+        is_switched_from_manual_to_automatic: "crwdns788390:0crwdne788390:0"
       table:
-        configure_button: 'crwdns770202:0crwdne770202:0'
-        summary: "crwdns770204:0crwdne770204:0"
-        text_inline_edit: "crwdns770206:0crwdne770206:0"
-        text_sort_hint: "crwdns770208:0crwdne770208:0"
-        text_select_hint: "crwdns770210:0crwdne770210:0"
+        configure_button: 'crwdns788392:0crwdne788392:0'
+        summary: "crwdns788394:0crwdne788394:0"
+        text_inline_edit: "crwdns788396:0crwdne788396:0"
+        text_sort_hint: "crwdns788398:0crwdne788398:0"
+        text_select_hint: "crwdns788400:0crwdne788400:0"
       table_configuration:
-        button: 'crwdns770212:0crwdne770212:0'
-        choose_display_mode: 'crwdns770214:0crwdne770214:0'
-        modal_title: 'crwdns770216:0crwdne770216:0'
-        embedded_tab_disabled: "crwdns770218:0crwdne770218:0"
-        default: "crwdns770220:0crwdne770220:0"
-        display_settings: 'crwdns770222:0crwdne770222:0'
-        default_mode: "crwdns770224:0crwdne770224:0"
-        hierarchy_mode: "crwdns770226:0crwdne770226:0"
-        hierarchy_hint: "crwdns770228:0crwdne770228:0"
-        display_sums_hint: "crwdns770230:0crwdne770230:0"
-        show_timeline_hint: "crwdns770232:0crwdne770232:0"
-        highlighting: 'crwdns770234:0crwdne770234:0'
+        button: 'crwdns788402:0crwdne788402:0'
+        choose_display_mode: 'crwdns788404:0crwdne788404:0'
+        modal_title: 'crwdns788406:0crwdne788406:0'
+        embedded_tab_disabled: "crwdns788408:0crwdne788408:0"
+        default: "crwdns788410:0crwdne788410:0"
+        display_settings: 'crwdns788412:0crwdne788412:0'
+        default_mode: "crwdns788414:0crwdne788414:0"
+        hierarchy_mode: "crwdns788416:0crwdne788416:0"
+        hierarchy_hint: "crwdns788418:0crwdne788418:0"
+        display_sums_hint: "crwdns788420:0crwdne788420:0"
+        show_timeline_hint: "crwdns788422:0crwdne788422:0"
+        highlighting: 'crwdns788424:0crwdne788424:0'
         highlighting_mode:
-          description: "crwdns770236:0crwdne770236:0"
-          none: "crwdns770238:0crwdne770238:0"
-          inline: 'crwdns770240:0crwdne770240:0'
-          inline_all: 'crwdns770242:0crwdne770242:0'
-          entire_row_by: 'crwdns770244:0crwdne770244:0'
-          status: 'crwdns770246:0crwdne770246:0'
-          priority: 'crwdns770248:0crwdne770248:0'
-          type: 'crwdns770250:0crwdne770250:0'
+          description: "crwdns788426:0crwdne788426:0"
+          none: "crwdns788428:0crwdne788428:0"
+          inline: 'crwdns788430:0crwdne788430:0'
+          inline_all: 'crwdns788432:0crwdne788432:0'
+          entire_row_by: 'crwdns788434:0crwdne788434:0'
+          status: 'crwdns788436:0crwdne788436:0'
+          priority: 'crwdns788438:0crwdne788438:0'
+          type: 'crwdns788440:0crwdne788440:0'
         sorting_mode:
-          description: 'crwdns770252:0crwdne770252:0'
-          automatic: 'crwdns770254:0crwdne770254:0'
-          manually: 'crwdns770256:0crwdne770256:0'
-          warning: 'crwdns770258:0crwdne770258:0'
-        columns_help_text: "crwdns770260:0crwdne770260:0"
+          description: 'crwdns788442:0crwdne788442:0'
+          automatic: 'crwdns788444:0crwdne788444:0'
+          manually: 'crwdns788446:0crwdne788446:0'
+          warning: 'crwdns788448:0crwdne788448:0'
+        columns_help_text: "crwdns788450:0crwdne788450:0"
         upsale:
-          attribute_highlighting: 'crwdns770262:0crwdne770262:0'
-          relation_columns: 'crwdns770264:0crwdne770264:0'
-          check_out_link: 'crwdns770266:0crwdne770266:0'
+          attribute_highlighting: 'crwdns788452:0crwdne788452:0'
+          relation_columns: 'crwdns788454:0crwdne788454:0'
+          check_out_link: 'crwdns788456:0crwdne788456:0'
         relation_filters:
-          filter_work_packages_by_relation_type: 'crwdns770268:0crwdne770268:0'
+          filter_work_packages_by_relation_type: 'crwdns788458:0crwdne788458:0'
       tabs:
-        overview: crwdns770270:0crwdne770270:0
-        activity: crwdns770272:0crwdne770272:0
-        relations: crwdns770274:0crwdne770274:0
-        watchers: crwdns770276:0crwdne770276:0
-        attachments: crwdns770278:0crwdne770278:0
+        overview: crwdns788460:0crwdne788460:0
+        activity: crwdns788462:0crwdne788462:0
+        relations: crwdns788464:0crwdne788464:0
+        watchers: crwdns788466:0crwdne788466:0
+        files: crwdns807702:0crwdne807702:0
       time_relative:
-        days: "crwdns770280:0crwdne770280:0"
-        weeks: "crwdns770282:0crwdne770282:0"
-        months: "crwdns770284:0crwdne770284:0"
+        days: "crwdns788470:0crwdne788470:0"
+        weeks: "crwdns788472:0crwdne788472:0"
+        months: "crwdns788474:0crwdne788474:0"
     toolbar:
       settings:
-        configure_view: "crwdns770286:0crwdne770286:0"
-        columns: "crwdns770288:0crwdne770288:0"
-        sort_by: "crwdns770290:0crwdne770290:0"
-        group_by: "crwdns770292:0crwdne770292:0"
-        display_sums: "crwdns770294:0crwdne770294:0"
-        display_hierarchy: "crwdns770296:0crwdne770296:0"
-        hide_hierarchy: "crwdns770298:0crwdne770298:0"
-        hide_sums: "crwdns770300:0crwdne770300:0"
-        save: "crwdns770302:0crwdne770302:0"
-        save_as: "crwdns770304:0crwdne770304:0"
-        export: "crwdns770306:0crwdne770306:0"
-        visibility_settings: "crwdns770308:0crwdne770308:0"
-        page_settings: "crwdns770310:0crwdne770310:0"
-        delete: "crwdns770312:0crwdne770312:0"
-      filter: "crwdns770314:0crwdne770314:0"
-      unselected_title: "crwdns770316:0crwdne770316:0"
-      search_query_label: "crwdns770318:0crwdne770318:0"
-      search_query_title: "crwdns770320:0crwdne770320:0"
-      placeholder_query_title: "crwdns770322:0crwdne770322:0"
+        configure_view: "crwdns788476:0crwdne788476:0"
+        columns: "crwdns788478:0crwdne788478:0"
+        sort_by: "crwdns788480:0crwdne788480:0"
+        group_by: "crwdns788482:0crwdne788482:0"
+        display_sums: "crwdns788484:0crwdne788484:0"
+        display_hierarchy: "crwdns788486:0crwdne788486:0"
+        hide_hierarchy: "crwdns788488:0crwdne788488:0"
+        hide_sums: "crwdns788490:0crwdne788490:0"
+        save: "crwdns788492:0crwdne788492:0"
+        save_as: "crwdns788494:0crwdne788494:0"
+        export: "crwdns788496:0crwdne788496:0"
+        visibility_settings: "crwdns788498:0crwdne788498:0"
+        page_settings: "crwdns788500:0crwdne788500:0"
+        delete: "crwdns788502:0crwdne788502:0"
+      filter: "crwdns788504:0crwdne788504:0"
+      unselected_title: "crwdns788506:0crwdne788506:0"
+      search_query_label: "crwdns788508:0crwdne788508:0"
+      search_query_title: "crwdns788510:0crwdne788510:0"
+      placeholder_query_title: "crwdns788512:0crwdne788512:0"
     modals:
-      label_settings: "crwdns770324:0crwdne770324:0"
-      label_name: "crwdns770326:0crwdne770326:0"
-      label_delete_page: "crwdns770328:0crwdne770328:0"
-      button_apply: "crwdns770330:0crwdne770330:0"
-      button_save: "crwdns770332:0crwdne770332:0"
-      button_submit: "crwdns770334:0crwdne770334:0"
-      button_cancel: "crwdns770336:0crwdne770336:0"
+      label_settings: "crwdns788514:0crwdne788514:0"
+      label_name: "crwdns788516:0crwdne788516:0"
+      label_delete_page: "crwdns788518:0crwdne788518:0"
+      button_apply: "crwdns788520:0crwdne788520:0"
+      button_save: "crwdns788522:0crwdne788522:0"
+      button_submit: "crwdns788524:0crwdne788524:0"
+      button_cancel: "crwdns788526:0crwdne788526:0"
       form_submit:
-        title: 'crwdns770338:0crwdne770338:0'
-        text: 'crwdns770340:0crwdne770340:0'
+        title: 'crwdns788528:0crwdne788528:0'
+        text: 'crwdns788530:0crwdne788530:0'
       destroy_work_package:
-        title: "crwdns770342:0%{label}crwdne770342:0"
-        text: "crwdns770344:0%{label}crwdne770344:0"
-        has_children: "crwdns770346:0%{childUnits}crwdne770346:0"
-        confirm_deletion_children: "crwdns770348:0crwdne770348:0"
-        deletes_children: "crwdns770350:0crwdne770350:0"
+        title: "crwdns788532:0%{label}crwdne788532:0"
+        text: "crwdns788534:0%{label}crwdne788534:0"
+        has_children: "crwdns788536:0%{childUnits}crwdne788536:0"
+        confirm_deletion_children: "crwdns788538:0crwdne788538:0"
+        deletes_children: "crwdns788540:0crwdne788540:0"
       destroy_time_entry:
-        title: "crwdns770352:0crwdne770352:0"
-        text: "crwdns770354:0crwdne770354:0"
-    notice_no_results_to_display: "crwdns770356:0crwdne770356:0"
-    notice_successful_create: "crwdns770358:0crwdne770358:0"
-    notice_successful_delete: "crwdns770360:0crwdne770360:0"
-    notice_successful_update: "crwdns770362:0crwdne770362:0"
-    notice_job_started: "crwdns770364:0crwdne770364:0"
-    notice_bad_request: "crwdns770366:0crwdne770366:0"
+        title: "crwdns788542:0crwdne788542:0"
+        text: "crwdns788544:0crwdne788544:0"
+    notice_no_results_to_display: "crwdns788546:0crwdne788546:0"
+    notice_successful_create: "crwdns788548:0crwdne788548:0"
+    notice_successful_delete: "crwdns788550:0crwdne788550:0"
+    notice_successful_update: "crwdns788552:0crwdne788552:0"
+    notice_job_started: "crwdns788554:0crwdne788554:0"
+    notice_bad_request: "crwdns788556:0crwdne788556:0"
     relations:
-      empty: crwdns770368:0crwdne770368:0
-      remove: crwdns770370:0crwdne770370:0
+      empty: crwdns788558:0crwdne788558:0
+      remove: crwdns788560:0crwdne788560:0
     inplace:
-      button_edit: "crwdns770372:0%{attribute}crwdne770372:0"
-      button_save: "crwdns770374:0%{attribute}crwdne770374:0"
-      button_cancel: "crwdns770376:0%{attribute}crwdne770376:0"
-      button_save_all: "crwdns770378:0crwdne770378:0"
-      button_cancel_all: "crwdns770380:0crwdne770380:0"
-      link_formatting_help: "crwdns770382:0crwdne770382:0"
-      btn_preview_enable: "crwdns770384:0crwdne770384:0"
-      btn_preview_disable: "crwdns770386:0crwdne770386:0"
-      null_value_label: "crwdns770388:0crwdne770388:0"
-      clear_value_label: "crwdns770390:0crwdne770390:0"
+      button_edit: "crwdns788562:0%{attribute}crwdne788562:0"
+      button_save: "crwdns788564:0%{attribute}crwdne788564:0"
+      button_cancel: "crwdns788566:0%{attribute}crwdne788566:0"
+      button_save_all: "crwdns788568:0crwdne788568:0"
+      button_cancel_all: "crwdns788570:0crwdne788570:0"
+      link_formatting_help: "crwdns788572:0crwdne788572:0"
+      btn_preview_enable: "crwdns788574:0crwdne788574:0"
+      btn_preview_disable: "crwdns788576:0crwdne788576:0"
+      null_value_label: "crwdns788578:0crwdne788578:0"
+      clear_value_label: "crwdns788580:0crwdne788580:0"
       errors:
-        required: 'crwdns770392:0%{field}crwdne770392:0'
-        number: 'crwdns770394:0%{field}crwdne770394:0'
-        maxlength: 'crwdns770396:0%{field}crwdnd770396:0%{maxLength}crwdne770396:0'
-        minlength: 'crwdns770398:0%{field}crwdnd770398:0%{minLength}crwdne770398:0'
-        messages_on_field: 'crwdns770400:0%{messages}crwdne770400:0'
-    error_could_not_resolve_version_name: "crwdns770402:0crwdne770402:0"
-    error_could_not_resolve_user_name: "crwdns770404:0crwdne770404:0"
-    error_attachment_upload: "crwdns770406:0%{error}crwdne770406:0"
-    error_attachment_upload_permission: "crwdns770408:0crwdne770408:0"
+        required: 'crwdns788582:0%{field}crwdne788582:0'
+        number: 'crwdns788584:0%{field}crwdne788584:0'
+        maxlength: 'crwdns788586:0%{field}crwdnd788586:0%{maxLength}crwdne788586:0'
+        minlength: 'crwdns788588:0%{field}crwdnd788588:0%{minLength}crwdne788588:0'
+        messages_on_field: 'crwdns788590:0%{messages}crwdne788590:0'
+    error_could_not_resolve_version_name: "crwdns788592:0crwdne788592:0"
+    error_could_not_resolve_user_name: "crwdns788594:0crwdne788594:0"
+    error_attachment_upload: "crwdns788596:0%{error}crwdne788596:0"
+    error_attachment_upload_permission: "crwdns788598:0crwdne788598:0"
     units:
       workPackage:
-        one: "crwdns770410:1crwdne770410:1"
-        other: "crwdns770410:5crwdne770410:5"
+        one: "crwdns788600:1crwdne788600:1"
+        other: "crwdns788600:5crwdne788600:5"
       child_work_packages:
-        one: "crwdns770412:1crwdne770412:1"
-        other: "crwdns770412:5%{count}crwdne770412:5"
+        one: "crwdns788602:1crwdne788602:1"
+        other: "crwdns788602:5%{count}crwdne788602:5"
       hour:
-        one: "crwdns770414:0crwdne770414:0"
-        other: "crwdns770416:0%{count}crwdne770416:0"
-        zero: "crwdns770418:0crwdne770418:0"
+        one: "crwdns788604:0crwdne788604:0"
+        other: "crwdns788606:0%{count}crwdne788606:0"
+        zero: "crwdns788608:0crwdne788608:0"
     zen_mode:
-      button_activate: 'crwdns770420:0crwdne770420:0'
-      button_deactivate: 'crwdns770422:0crwdne770422:0'
+      button_activate: 'crwdns788610:0crwdne788610:0'
+      button_deactivate: 'crwdns788612:0crwdne788612:0'
     global_search:
-      all_projects: "crwdns770424:0crwdne770424:0"
-      search: "crwdns770426:0crwdne770426:0"
-      close_search: "crwdns770428:0crwdne770428:0"
-      current_project: "crwdns770430:0crwdne770430:0"
-      current_project_and_all_descendants: "crwdns770432:0crwdne770432:0"
+      all_projects: "crwdns788614:0crwdne788614:0"
+      search: "crwdns788616:0crwdne788616:0"
+      close_search: "crwdns788618:0crwdne788618:0"
+      current_project: "crwdns788620:0crwdne788620:0"
+      current_project_and_all_descendants: "crwdns788622:0crwdne788622:0"
       title:
-        all_projects: "crwdns770434:0crwdne770434:0"
-        project_and_subprojects: "crwdns770436:0crwdne770436:0"
-        search_for: "crwdns770438:0crwdne770438:0"
+        all_projects: "crwdns788624:0crwdne788624:0"
+        project_and_subprojects: "crwdns788626:0crwdne788626:0"
+        search_for: "crwdns788628:0crwdne788628:0"
     views:
-      card: 'crwdns770440:0crwdne770440:0'
-      list: 'crwdns770442:0crwdne770442:0'
-      timeline: 'crwdns770444:0crwdne770444:0'
+      card: 'crwdns788630:0crwdne788630:0'
+      list: 'crwdns788632:0crwdne788632:0'
+      timeline: 'crwdns788634:0crwdne788634:0'
     invite_user_modal:
-      back: 'crwdns770446:0crwdne770446:0'
-      invite: 'crwdns770448:0crwdne770448:0'
+      back: 'crwdns788636:0crwdne788636:0'
+      invite: 'crwdns788638:0crwdne788638:0'
       title:
-        invite: 'crwdns770450:0crwdne770450:0'
-        invite_to_project: 'crwdns770452:0%{type}crwdnd770452:0%{project}crwdne770452:0'
-        User: 'crwdns770454:0crwdne770454:0'
-        Group: 'crwdns770456:0crwdne770456:0'
-        PlaceholderUser: 'crwdns770458:0crwdne770458:0'
-        invite_principal_to_project: 'crwdns770460:0%{principal}crwdnd770460:0%{project}crwdne770460:0'
+        invite: 'crwdns788640:0crwdne788640:0'
+        invite_to_project: 'crwdns788642:0%{type}crwdnd788642:0%{project}crwdne788642:0'
+        User: 'crwdns788644:0crwdne788644:0'
+        Group: 'crwdns788646:0crwdne788646:0'
+        PlaceholderUser: 'crwdns788648:0crwdne788648:0'
+        invite_principal_to_project: 'crwdns788650:0%{principal}crwdnd788650:0%{project}crwdne788650:0'
       project:
-        label: 'crwdns770462:0crwdne770462:0'
-        required: 'crwdns770464:0crwdne770464:0'
-        lacking_permission: 'crwdns770466:0crwdne770466:0'
-        lacking_permission_info: 'crwdns770468:0crwdne770468:0'
-        next_button: 'crwdns770470:0crwdne770470:0'
-        no_results: 'crwdns770472:0crwdne770472:0'
-        no_invite_rights: 'crwdns770474:0crwdne770474:0'
+        label: 'crwdns788652:0crwdne788652:0'
+        required: 'crwdns788654:0crwdne788654:0'
+        lacking_permission: 'crwdns788656:0crwdne788656:0'
+        lacking_permission_info: 'crwdns788658:0crwdne788658:0'
+        next_button: 'crwdns788660:0crwdne788660:0'
+        no_results: 'crwdns788662:0crwdne788662:0'
+        no_invite_rights: 'crwdns788664:0crwdne788664:0'
       type:
-        required: 'crwdns770476:0crwdne770476:0'
+        required: 'crwdns788666:0crwdne788666:0'
         user:
-          title: 'crwdns770478:0crwdne770478:0'
-          description: 'crwdns770480:0crwdne770480:0'
+          title: 'crwdns788668:0crwdne788668:0'
+          description: 'crwdns788670:0crwdne788670:0'
         group:
-          title: 'crwdns770482:0crwdne770482:0'
-          description: 'crwdns770484:0crwdne770484:0'
+          title: 'crwdns788672:0crwdne788672:0'
+          description: 'crwdns788674:0crwdne788674:0'
         placeholder:
-          title: 'crwdns770486:0crwdne770486:0'
-          title_no_ee: 'crwdns770488:0crwdne770488:0'
-          description: 'crwdns770490:0crwdne770490:0'
-          description_no_ee: 'crwdns770492:0%{eeHref}crwdne770492:0'
+          title: 'crwdns788676:0crwdne788676:0'
+          title_no_ee: 'crwdns788678:0crwdne788678:0'
+          description: 'crwdns788680:0crwdne788680:0'
+          description_no_ee: 'crwdns788682:0%{eeHref}crwdne788682:0'
       principal:
         label:
-          name_or_email: 'crwdns770494:0crwdne770494:0'
-          name: 'crwdns770496:0crwdne770496:0'
-        already_member_message: 'crwdns770498:0%{project}crwdne770498:0'
-        no_results_user: 'crwdns770500:0crwdne770500:0'
-        invite_user: 'crwdns770502:0crwdne770502:0'
-        no_results_placeholder: 'crwdns770504:0crwdne770504:0'
-        create_new_placeholder: 'crwdns770506:0crwdne770506:0'
-        no_results_group: 'crwdns770508:0crwdne770508:0'
-        next_button: 'crwdns770510:0crwdne770510:0'
+          name_or_email: 'crwdns788684:0crwdne788684:0'
+          name: 'crwdns788686:0crwdne788686:0'
+        already_member_message: 'crwdns788688:0%{project}crwdne788688:0'
+        no_results_user: 'crwdns788690:0crwdne788690:0'
+        invite_user: 'crwdns788692:0crwdne788692:0'
+        no_results_placeholder: 'crwdns788694:0crwdne788694:0'
+        create_new_placeholder: 'crwdns788696:0crwdne788696:0'
+        no_results_group: 'crwdns788698:0crwdne788698:0'
+        next_button: 'crwdns788700:0crwdne788700:0'
         required:
-          user: 'crwdns770512:0crwdne770512:0'
-          placeholder: 'crwdns770514:0crwdne770514:0'
-          group: 'crwdns770516:0crwdne770516:0'
+          user: 'crwdns788702:0crwdne788702:0'
+          placeholder: 'crwdns788704:0crwdne788704:0'
+          group: 'crwdns788706:0crwdne788706:0'
       role:
-        label: 'crwdns770518:0%{project}crwdne770518:0'
-        no_roles_found: 'crwdns770520:0crwdne770520:0'
-        description: 'crwdns770522:0%{principal}crwdne770522:0'
-        required: 'crwdns770524:0crwdne770524:0'
-        next_button: 'crwdns770526:0crwdne770526:0'
+        label: 'crwdns788708:0%{project}crwdne788708:0'
+        no_roles_found: 'crwdns788710:0crwdne788710:0'
+        description: 'crwdns788712:0%{principal}crwdne788712:0'
+        required: 'crwdns788714:0crwdne788714:0'
+        next_button: 'crwdns788716:0crwdne788716:0'
       message:
-        label: 'crwdns770528:0crwdne770528:0'
-        description: 'crwdns770530:0%{principal}crwdne770530:0'
-        next_button: 'crwdns770532:0crwdne770532:0'
+        label: 'crwdns788718:0crwdne788718:0'
+        description: 'crwdns788720:0%{principal}crwdne788720:0'
+        next_button: 'crwdns788722:0crwdne788722:0'
       summary:
-        next_button: 'crwdns770534:0crwdne770534:0'
+        next_button: 'crwdns788724:0crwdne788724:0'
       success:
-        title: 'crwdns770536:0%{principal}crwdne770536:0'
+        title: 'crwdns788726:0%{principal}crwdne788726:0'
         description:
-          user: 'crwdns770538:0%{project}crwdne770538:0'
-          placeholder: 'crwdns770540:0%{project}crwdne770540:0'
-          group: 'crwdns770542:0%{project}crwdne770542:0'
-        next_button: 'crwdns770544:0crwdne770544:0'
+          user: 'crwdns788728:0%{project}crwdne788728:0'
+          placeholder: 'crwdns788730:0%{project}crwdne788730:0'
+          group: 'crwdns788732:0%{project}crwdne788732:0'
+        next_button: 'crwdns788734:0crwdne788734:0'
     include_projects:
-      toggle_title: 'crwdns770546:0crwdne770546:0'
-      title: 'crwdns770548:0crwdne770548:0'
-      clear_selection: 'crwdns770550:0crwdne770550:0'
-      apply: 'crwdns770552:0crwdne770552:0'
+      toggle_title: 'crwdns788736:0crwdne788736:0'
+      title: 'crwdns788738:0crwdne788738:0'
+      clear_selection: 'crwdns788740:0crwdne788740:0'
+      apply: 'crwdns788742:0crwdne788742:0'
       selected_filter:
-        all: 'crwdns770554:0crwdne770554:0'
-        selected: 'crwdns770556:0crwdne770556:0'
-      search_placeholder: 'crwdns770558:0crwdne770558:0'
+        all: 'crwdns788744:0crwdne788744:0'
+        selected: 'crwdns788746:0crwdne788746:0'
+      search_placeholder: 'crwdns788748:0crwdne788748:0'
     forms:
-      submit_success_message: 'crwdns770560:0crwdne770560:0'
-      load_error_message: 'crwdns770562:0crwdne770562:0'
-      validation_error_message: 'crwdns770564:0crwdne770564:0'
-      advanced_settings: 'crwdns770566:0crwdne770566:0'
+      submit_success_message: 'crwdns788750:0crwdne788750:0'
+      load_error_message: 'crwdns788752:0crwdne788752:0'
+      validation_error_message: 'crwdns788754:0crwdne788754:0'
+      advanced_settings: 'crwdns788756:0crwdne788756:0'
+    spot:
+      filter_chip:
+        remove: 'crwdns788758:0crwdne788758:0'
+      drop_modal:
+        Close: 'crwdns788760:0crwdne788760:0'
diff --git a/config/locales/crowdin/js-lt.yml b/config/locales/crowdin/js-lt.yml
index c1c52a4a2f..161cbc11bd 100644
--- a/config/locales/crowdin/js-lt.yml
+++ b/config/locales/crowdin/js-lt.yml
@@ -24,6 +24,7 @@ lt:
     ajax:
       hide: "Slėpti"
       loading: "Įkeliama..."
+      updating: "Atnaujinama..."
     attachments:
       draggable_hint: |
         Tempkite į redagavimo lauką, kad įtrauktumėte piešinį ar paminėtumėte priedą. Uždari redaktoriaus laukai bus atidaryti, kol jūs tempsite.
@@ -56,13 +57,13 @@ lt:
     button_cancel: "Nutraukti"
     button_close: "Uždaryti"
     button_change_project: "Keisti projektą"
-    button_check_all: "Tikrinti viską"
+    button_check_all: "Žymėti visus"
     button_configure-form: "Konfigūruoti formą"
     button_confirm: "Patvirtinti"
     button_continue: "Tęsti"
     button_copy: "Kopijuoti"
-    button_copy_to_other_project: "Copy to other project"
-    button_custom-fields: "Savi laukai"
+    button_copy_to_other_project: "Kopijuoti į kitą projektą"
+    button_custom-fields: "Pritaikyti laukai"
     button_delete: "Trinti"
     button_delete_watcher: "Trinti stebėtoją"
     button_details_view: "Detali peržiūra"
@@ -81,7 +82,7 @@ lt:
     button_open_fullscreen: "Atverti pilno ekrano vaizdą"
     button_show_cards: "Rodyti kortelių vaizdą"
     button_show_list: "Rodyti sąrašo vaizdą"
-    button_quote: "Pasiūlymas"
+    button_quote: "Cituoti"
     button_save: "Įrašyti"
     button_settings: "Nustatymai"
     button_uncheck_all: "Atžymėti visus"
@@ -175,7 +176,7 @@ lt:
           text: '[Placeholder] Įterptinis kalendorius'
     admin:
       type_form:
-        custom_field: 'Savas laukelis'
+        custom_field: 'Savas laukas'
         inactive: 'Neaktyvus'
         drag_to_activate: "Vilkite laukelius iš čia, kad juos aktyvuotumėte"
         add_group: "Pridėti atributų grupę"
@@ -251,7 +252,7 @@ lt:
     enumeration_doc_categories: "Dokumentų kategorijos"
     enumeration_work_package_priorities: "Darbų paketo prioritetai"
     filter:
-      more_values_not_shown: "There are %{total} more results, search to filter results."
+      more_values_not_shown: "Yra dar %{total} rezultatų, ieškokite rezultatų filtravimui."
       description:
         text_open_filter: "Atverkite šį filtrą su 'ALT' ir krypčių klavišais."
         text_close_filter: "Kad pasirinktumėte įrašą, palikite dėmesio režimą paspausdami Enter. Režimo palikimui be filtro pasirinkite pirmąjį (tuščią) įrašą."
@@ -310,7 +311,7 @@ lt:
     label_all: "visi"
     label_all_work_packages: "visi darbų paketai"
     label_and: "ir"
-    label_ascending: "Didėjančiai"
+    label_ascending: "Didėjančia tvarka"
     label_author: "Autorius: %{user}"
     label_avatar: "Nuotrauka"
     label_between: "tarp"
@@ -318,7 +319,7 @@ lt:
     label_board_locked: "Užrakinta"
     label_board_plural: "Lentos"
     label_board_sticky: "Lipnus"
-    label_change: "Keisti"
+    label_change: "Pakeisti"
     label_create: "Kurti"
     label_create_work_package: "Kurti naują darbų paketą"
     label_created_by: "Sukūrė"
@@ -330,7 +331,7 @@ lt:
     label_details: "Detalės"
     label_display: "Rodymas"
     label_cancel_comment: "Atšaukti komentarą"
-    label_closed_work_packages: "uždaryta"
+    label_closed_work_packages: "uždarytas"
     label_collapse: "Sutraukti"
     label_collapsed: "suskleistas"
     label_collapse_all: "Sutraukti visus"
@@ -414,8 +415,8 @@ lt:
     label_show_in_menu: "Rodyti vaizdą meniu"
     label_sort_by: "Rikiuoti pagal"
     label_sorted_by: "surikiuota pagal"
-    label_sort_higher: "Perkelti aukštyn"
-    label_sort_lower: "Perkelti žemyn"
+    label_sort_higher: "Aukštyn"
+    label_sort_lower: "Žemyn"
     label_sorting: "Rikiavimas"
     label_spent_time: "Praleista laiko"
     label_star_query: "Mėgiamiausi"
@@ -453,9 +454,8 @@ lt:
     label_starred_queries: "Mėgstamiausi vaizdai"
     label_global_queries: "Vieši vaizdai"
     label_custom_queries: "Asmeniniai vaizdai"
-    label_create_new_query: "Sukurti naują"
     label_columns: "Stulpeliai"
-    label_attachments: Failai
+    label_attachments: Priedai
     label_drop_files: Numeskite failus čia
     label_drop_files_hint: arba spustelkite, kad pridėtumėte failus
     label_drop_folders_hint: Aplankų negalima įkelti kaip priedų. Prašome pasirinkti atskirus failus.
@@ -466,7 +466,7 @@ lt:
     label_remove_all_files: Trinti visus failus
     label_add_description: "Pridėti %{file} aprašymą"
     label_upload_notification: "Įkeliami failai..."
-    label_work_package_upload_notification: "Įkeliami darbų paketo #%{id} failai: %{subject}"
+    label_work_package_upload_notification: "Įkelti failus darbų paketui #%{id}: %{subject}"
     label_wp_id_added_by: "#%{id} pridėjo %{author}"
     label_files_to_upload: "Šie failai bus įkelti:"
     label_rejected_files: "Negalima įkelti šių failų:"
@@ -499,7 +499,8 @@ lt:
           task_board: "Užduočių lenta vaizduoja <b>sprinto progresą</b>. Nuspauskite pliuso (+) ženklą prie user story norėdami pridėti naujas užduotis arba trukdžius. <br> Būsena gali būti pakeista nuvelkant į reikiamą vietą."
         boards:
           overview: 'Pasirinkite <b>lentas</b> siekdami pakeisti vaizdą ir valdyti projektą naudodami agile lentų vaizdą.'
-          lists: 'Lentoje galite sukurti keletą sąrašų (stulpelių) . Ši funkcija leidžia sukurti <b>Kanban lentą</b>.'
+          lists_kanban: 'Lentoje galite sukurti keletą sąrašų (stulpelių) . Ši funkcija leidžia sukurti <b>Kanban lentą</b>.'
+          lists_basic: 'Čia galite sukurti kelis sąrašus (stulpelius) jūsų agile lentoje.'
           add: 'Nuspauskite plius (+) ženklą ir <b>sukurkite naują kortelę</b> arba <b>pridėkite jau esamą</b> prie sąrašo lentoje.'
           drag: 'Vilkite korteles sąrašo viduje norėdami pakeisti jų tvarką, arba perkelti į kitą sąrašą. <br> Galite nuspausti ant info (i) ženklo viršutiniame dešiniajame kampa arba du kartus spustelėti kortelę norėdami pamatyti jos detales.'
         wp:
@@ -510,6 +511,12 @@ lt:
           create_button: 'Mygtukas <b>+Sukurti</b> pridės naują darbą į jūsų projektą.'
           timeline_button: 'Jūs galite aktyvuoti <b>Gantto diagramą</b> norėdami matyti savo projekto laiko planavimo juostą.'
           timeline: 'Čia jūs galite <b>redaguoti savo projekto planą</b>, kurti naujus darbo paketus, tokius kaip užduotys, etapai ir <b>pridėti priklausomybių</b>. Visi komandos nariai gali peržiūrėti ir keisti naujausią planą bet kuriuo metu.'
+        team_planner:
+          overview: 'Komandos planuotojas leidžia vizualiai priskirti užduotis komandos nariams ir gauti bendrą vaizdą, kas ką daro.'
+          calendar: 'Savaitės arba dviejų savaičių planavimo lenta rodo visus darbo paketus, priskirtus jūsų komandos nariams.'
+          add_assignee: 'Norėdami pradėti pridėkite paskiriamuosius į komandos planą.'
+          add_existing: 'Ieškokite esamų darbų paketų ir tempkite juos į komandos planą, kad akimirksniu priskirtumėte juos komandos nariui ir nurodytumėte pradžios ir pabaigos datas.'
+          card: 'Tempkite darbo paketus horizontaliai, kad perkeltumėte juos atgal arba į priekį laike. Tempkite kraštus, kad keistumėte pradžios ar pabaigos datas, arba tempkite vertikaliai į kitą eilutę, kad priskirtumėte juos kitam nariui.'
     notifications:
       title: "Pranešimai"
       no_unread: "Nėra neperskaitytų pranešimų"
@@ -543,7 +550,7 @@ lt:
           link_text: 'Spauskite čia, kad juos įkeltumėte'
       menu:
         accountable: 'Atsakingas'
-        assigned: 'Paskirtas'
+        assigned: 'Paskirta'
         by_project: 'Neperskaityti pagal projektą'
         by_reason: 'Pagal įsitraukimą'
         inbox: 'Gauti'
@@ -681,7 +688,7 @@ lt:
       blocks: "Blokuoja"
       blocked: "Blokuojamas"
       precedes: "Prieš"
-      follows: "Seka"
+      follows: "Po"
       includes: "Turi savyje"
       partof: "Dalis"
       requires: "Reikalauja"
@@ -769,14 +776,14 @@ lt:
         grouping_other: "Kita"
         noneSelection: "(nėra)"
       name: "Vardas"
-      outline: "Atstatyti planą"
+      outline: "Atnaujinti planą"
       outlines:
-        aggregation: "Rodyti tik agregatus"
-        level1: "Išplėsti 1 lygį"
-        level2: "Išplėsti 2 lygį"
-        level3: "Išplėsti 3 lygį"
-        level4: "Išplėsti 4 lygį"
-        level5: "Išplėsti 5 lygį"
+        aggregation: "Rodyti tik masėmis"
+        level1: "Išplėtimo lygis 1"
+        level2: "Išplėtimo lygis 2"
+        level3: "Išplėtimo lygis 3"
+        level4: "Išplėtimo lygis 4"
+        level5: "Išplėtimo lygis 5"
         all: "Rodyti viską"
       project_status: "Projekto būsena"
       really_close_dialog: "Ar tikrai norite uždaryti dialogo langą ir prarasti įvestus duomenis?"
@@ -925,8 +932,8 @@ lt:
         hierarchy_disabled_by_group_by: "Hierarchijos režimas išjungtas dėl rezultatų, kurie sugrupuoti pagal stulpelį, pavadinimu %{column}."
         sort_ascending: "Rikiuoti didėjančiai"
         sort_descending: "Rikiuoti mažėjančiai"
-        move_column_left: "Perkelti stulpelį kairėn"
-        move_column_right: "Perkelti stulpelį dešinėn"
+        move_column_left: "Perkelti stulpelį į kairę"
+        move_column_right: "Perkelti stulpelį į dešinę"
         hide_column: "Slėpti stulpelį"
         insert_columns: "Įterpti stulpelius ..."
         filters: "Filtrai"
@@ -990,7 +997,7 @@ lt:
         activity: Veikla
         relations: Ryšiai
         watchers: Stebėtojai
-        attachments: Priedai
+        files: Failai
       time_relative:
         days: "dienos"
         weeks: "savaitės"
@@ -1018,7 +1025,7 @@ lt:
       placeholder_query_title: "Suteikite šiam vaizdui pavadinimą"
     modals:
       label_settings: "Pervardinti vaizdą"
-      label_name: "Pavadinimas"
+      label_name: "Vardas"
       label_delete_page: "Trinti dabartinį puslapį"
       button_apply: "Taikyti"
       button_save: "Įrašyti"
@@ -1076,7 +1083,7 @@ lt:
         one: "vieno vaiko darbų paketas"
         few: "%{count} darbo paketo vaikai"
         many: "%{count} darbo paketo vaikų"
-        other: "%{count} darbo paketo vaikai"
+        other: "%{count} darbų paketo vaikai"
       hour:
         one: "1 val"
         other: "%{count} val"
@@ -1086,7 +1093,7 @@ lt:
       button_deactivate: 'Išjungti Zen režimą'
     global_search:
       all_projects: "Visuose projektuose"
-      search: "Ieškoti"
+      search: "Paieška"
       close_search: "Uždaryti paiešką"
       current_project: "Šiame projekte"
       current_project_and_all_descendants: "Šiame projekte + subprojektuose"
@@ -1102,7 +1109,7 @@ lt:
       back: 'Atgal'
       invite: 'Pakviesti'
       title:
-        invite: 'Pakviesti naudotoją'
+        invite: 'Pakviesti vartotoją'
         invite_to_project: 'Pakviesti %{type} į %{project}'
         User: 'naudotojas'
         Group: 'grupė'
@@ -1123,7 +1130,7 @@ lt:
           description: 'Teisės, suteiktos pagal pasirinktame projekte turimą vaidmenį'
         group:
           title: 'Grupė'
-          description: 'Teisės, suteiktos pagal pasirinktame projekte turimą vaidmenį'
+          description: 'Teisės, suteiktos pagal pasirinktame projekte turimą rolę'
         placeholder:
           title: 'Statytinis naudotojas'
           title_no_ee: 'Statytiniai naudotojai (galimybė pasiekiama tik Enterprise Edition)'
@@ -1164,16 +1171,21 @@ lt:
           group: 'Grupė jau tapo %{project} dalimi. Tuo pačiu, jūs jau galite planuoti darbus su šia grupe ir pavyzdžiui priskirti jai darbo užduotis.'
         next_button: 'Tęsti'
     include_projects:
-      toggle_title: 'Include Projects'
+      toggle_title: 'Įtraukti projektus'
       title: 'Projektai'
-      clear_selection: 'Clear selection'
+      clear_selection: 'Valyti pasirinkimą'
       apply: 'Taikyti'
       selected_filter:
-        all: 'All projects'
-        selected: 'Only selected'
-      search_placeholder: 'Search project...'
+        all: 'Visi projektai'
+        selected: 'Tik pasirinktus'
+      search_placeholder: 'Ieškoti projekte...'
     forms:
       submit_success_message: 'Forma buvo sėkmingai pateikta'
       load_error_message: 'Įkeliant formą įvyko klaida'
       validation_error_message: 'Prašome ištaisyti klaidas formoje'
-      advanced_settings: 'Sudėtingesni nustatymai'
+      advanced_settings: 'Išplėstiniai nustatymai'
+    spot:
+      filter_chip:
+        remove: 'Pašalinti'
+      drop_modal:
+        Close: 'Uždaryti'
diff --git a/config/locales/crowdin/js-lv.yml b/config/locales/crowdin/js-lv.yml
index 240605e1f0..c4e23c47a3 100644
--- a/config/locales/crowdin/js-lv.yml
+++ b/config/locales/crowdin/js-lv.yml
@@ -24,6 +24,7 @@ lv:
     ajax:
       hide: "Paslēpt"
       loading: "Notiek ielāde..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ lv:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Kolonnas"
-    label_attachments: Faili
+    label_attachments: Attachments
     label_drop_files: Nomest failus šeit
     label_drop_files_hint: vai klikšķiniet šeit, lai pievienotu failus
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ lv:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ lv:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -989,7 +996,7 @@ lv:
         activity: Aktivitāte
         relations: Saistītie
         watchers: Sekotāji
-        attachments: Attachments
+        files: Faili
       time_relative:
         days: "dienas"
         weeks: "weeks"
@@ -1174,3 +1181,8 @@ lv:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Papildu iestatījumi'
+    spot:
+      filter_chip:
+        remove: 'Noņemt'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/locales/crowdin/js-ne.yml b/config/locales/crowdin/js-ne.yml
index 5d1cfedbb0..c2aace5433 100644
--- a/config/locales/crowdin/js-ne.yml
+++ b/config/locales/crowdin/js-ne.yml
@@ -24,6 +24,7 @@ ne:
     ajax:
       hide: "Hide"
       loading: "लोड हुँदै..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         दस्तावेज
@@ -453,9 +454,8 @@ ne:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Columns"
-    label_attachments: Files
+    label_attachments: Attachments
     label_drop_files: Drop files here
     label_drop_files_hint: or click to add files
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ ne:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ ne:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ ne:
         activity: Activity
         relations: Relations
         watchers: Watchers
-        attachments: Attachments
+        files: Files
       time_relative:
         days: "days"
         weeks: "weeks"
@@ -1171,3 +1178,8 @@ ne:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/locales/crowdin/js-nl.yml b/config/locales/crowdin/js-nl.yml
index 277a5a7a8d..78d86775e8 100644
--- a/config/locales/crowdin/js-nl.yml
+++ b/config/locales/crowdin/js-nl.yml
@@ -24,6 +24,7 @@ nl:
     ajax:
       hide: "Verberg"
       loading: "Bezig met laden ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Sleep op het invoerveld naar in line afbeelding of verwijzing bijlage. Gesloten invoervelden wordt geopend terwijl u blijft slepen.
@@ -453,9 +454,8 @@ nl:
     label_starred_queries: "Favoriete weergaven"
     label_global_queries: "Openbare weergaven"
     label_custom_queries: "Privé weergaven"
-    label_create_new_query: "Nieuwe aanmaken"
     label_columns: "Kolommen"
-    label_attachments: Bestanden
+    label_attachments: Bijlagen
     label_drop_files: Bestanden hier neerzetten
     label_drop_files_hint: of klik om bestanden toe te voegen
     label_drop_folders_hint: U kunt geen mappen uploaden als bijlage. Selecteer a. u. b. enkele bestanden.
@@ -499,7 +499,8 @@ nl:
           task_board: "Het taakbord geeft de <b>vooruitgang voor deze sprint</b> weer. Klik op het plus (+) pictogram naast een verhaal om nieuwe taken of belemmeringen toe te voegen. <br> De status kan worden bijgewerkt door slepen en neerzetten."
         boards:
           overview: 'Selecteer <b>borden</b> om het overzicht te verschuiven en uw project te beheren met behulp van de agile borden weergave.'
-          lists: 'Hier kunt u meerdere lijsten (kolommen) binnen uw bord maken. Met deze functie kunt u bijvoorbeeld een <b>Kanban board</b>maken.'
+          lists_kanban: 'Hier kunt u meerdere lijsten (kolommen) binnen uw bord maken. Met deze functie kunt u bijvoorbeeld een <b>Kanban board</b>maken.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Klik op het plus (+) icoon om <b>een nieuwe kaart te creëren</b> of <b>een bestaande kaart  toe te voegen</b> aan de lijst op het bord.'
           drag: 'Sleep uw kaarten in een bepaalde lijst om ze te rangschikken of om ze naar een andere lijst te verplaatsen. <br> U kunt op het info pictogram (i) in de rechterbovenhoek klikken of dubbelklikken op een kaart om de details te openen.'
         wp:
@@ -510,6 +511,12 @@ nl:
           create_button: 'De knop <b>+ Aanmaken</b> zal een nieuw werkpakket toevoegen aan uw project.'
           timeline_button: 'U kunt de <b>Gantt-grafiek</b> weergave activeren om een tijdlijn voor uw project te maken.'
           timeline: 'Hier kunt u <b>uw projectplan</b>bewerken, nieuwe werkpakketten maken, zoals taken, mijlpalen, fasen, en meer en <b>afhankelijkheden toevoegen</b>. Alle teamleden kunnen de laatste planning op elk moment zien en bijwerken.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Meldingen"
       no_unread: "Geen ongelezen meldingen"
@@ -988,7 +995,7 @@ nl:
         activity: Activiteit
         relations: Relaties
         watchers: Volgers
-        attachments: Bijlagen
+        files: Bestanden
       time_relative:
         days: "dagen"
         weeks: "weken"
@@ -1171,3 +1178,8 @@ nl:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Geavanceerde instellingen'
+    spot:
+      filter_chip:
+        remove: 'Verwijder'
+      drop_modal:
+        Close: 'Sluiten'
diff --git a/config/locales/crowdin/js-no.yml b/config/locales/crowdin/js-no.yml
index 3ad71ccfbc..adbeef9d74 100644
--- a/config/locales/crowdin/js-no.yml
+++ b/config/locales/crowdin/js-no.yml
@@ -24,6 +24,7 @@
     ajax:
       hide: "Skjul"
       loading: "Laster inn ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@
     label_starred_queries: "Favorittvisninger"
     label_global_queries: "Offentlige visninger"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Kolonner"
-    label_attachments: Filer
+    label_attachments: Vedlegg
     label_drop_files: Drop files here
     label_drop_files_hint: eller klikk for å legge til filer
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@
         activity: Aktivitet
         relations: Relasjoner
         watchers: Overvåkere
-        attachments: Vedlegg
+        files: Filer
       time_relative:
         days: "dager"
         weeks: "uker"
@@ -1171,3 +1178,8 @@
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Fjern'
+      drop_modal:
+        Close: 'Lukk'
diff --git a/config/locales/crowdin/js-pl.yml b/config/locales/crowdin/js-pl.yml
index 71879f64e5..7e7b50b049 100644
--- a/config/locales/crowdin/js-pl.yml
+++ b/config/locales/crowdin/js-pl.yml
@@ -24,6 +24,7 @@ pl:
     ajax:
       hide: "Ukryj"
       loading: "Ładowanie ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Przeciągaj w polu edytora, aby wstawić obraz lub załącznik referencyjny. Zamknięte pola edytora zostaną otwarte podczas przeciągania.
@@ -453,9 +454,8 @@ pl:
     label_starred_queries: "Widoki ulubione"
     label_global_queries: "Widoki publiczne"
     label_custom_queries: "Widoki prywatne"
-    label_create_new_query: "Utwórz nową"
     label_columns: "Kolumny"
-    label_attachments: Pliki
+    label_attachments: Załączniki
     label_drop_files: Upuść pliki tutaj
     label_drop_files_hint: lub kliknij aby dodać pliki
     label_drop_folders_hint: Nie można przesłać folderów jako załącznika. Wybierz pojedyncze pliki.
@@ -499,7 +499,8 @@ pl:
           task_board: "Panel zadań przedstawia <b>postęp tego sprintu</b>. Dodaj nowe zadania lub przeszkody, klikając ikonę (+) obok wpisu użytkownika. <br>Stan można zaktualizować metodą przeciągania i upuszczania."
         boards:
           overview: 'Wybierz <b>tablice</b>, aby zmienić widok i zarządzać projektem za pomocą widoku tablic.'
-          lists: 'Tutaj możesz utworzyć wiele list (kolumn) w jednym widoku tablicy. Ta funkcja pozwala ci na przykład na utworzenie <b>tablicy Kanban</b>.'
+          lists_kanban: 'Tutaj możesz utworzyć wiele list (kolumn) w jednym widoku tablicy. Ta funkcja pozwala ci na przykład na utworzenie <b>tablicy Kanban</b>.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Kliknij ikonę plus (+), aby <b>utworzyć nową kartę</b> lub <b>dodać istniejącą kartę</b> do listy na tablicy.'
           drag: 'Przeciągaj i upuszczaj swoje karty w obrębie danej listy, aby zmienić ich kolejność lub przenieść je do innej listy. <br> Możesz kliknąć ikonę info (i) w prawym górnym rogu lub kliknąć dwukrotnie na karcie, aby wyświetlić jej szczegóły.'
         wp:
@@ -510,6 +511,12 @@ pl:
           create_button: 'Przycisk <b>+ Utwórz</b> doda nowy pakiet roboczy do twojego projektu.'
           timeline_button: 'Aby utworzyć oś czasu dla twojego projektu, możesz uaktywnić widok <b>wykresu Gantta</b>.'
           timeline: 'Tutaj możesz <b>edytować plan projektu.</b>, tworzyć nowe pakiety robocze, takie jak zadania robocze, kamienie milowe i inne oraz <b>dodawać  zależności</b>. Wszyscy członkowie zespołu mogą w każdej chwili wyświetlić i zaktualizować najnowszy plan.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Powiadomienia"
       no_unread: "Brak nieprzeczytanych powiadomień"
@@ -990,7 +997,7 @@ pl:
         activity: Działanie
         relations: Relacje
         watchers: Obserwatorzy
-        attachments: Załączniki
+        files: Pliki
       time_relative:
         days: "dni"
         weeks: "tygodnie"
@@ -1169,7 +1176,7 @@ pl:
       clear_selection: 'Clear selection'
       apply: 'Zastosuj'
       selected_filter:
-        all: 'All projects'
+        all: 'Wszystkie projekty'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1177,3 +1184,8 @@ pl:
       load_error_message: 'Podczas ładowania formularza wystąpił błąd'
       validation_error_message: 'Napraw błędy obecne w formularzu'
       advanced_settings: 'Zaawansowane ustawienia'
+    spot:
+      filter_chip:
+        remove: 'Usuń'
+      drop_modal:
+        Close: 'Zamknij'
diff --git a/config/locales/crowdin/js-pt.yml b/config/locales/crowdin/js-pt.yml
index b5be13f000..abd80074bf 100644
--- a/config/locales/crowdin/js-pt.yml
+++ b/config/locales/crowdin/js-pt.yml
@@ -24,6 +24,7 @@ pt:
     ajax:
       hide: "Ocultar"
       loading: "Carregando ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Arraste sobre o campo do editor para incorporar uma imagem ou anexo de referência. Campos do editor fechados serão abertos enquanto você continuar arrastando.
@@ -452,9 +453,8 @@ pt:
     label_starred_queries: "Visões favoritas"
     label_global_queries: "Visões públicas"
     label_custom_queries: "Visões privadas"
-    label_create_new_query: "Criar novo"
     label_columns: "Colunas"
-    label_attachments: Arquivos
+    label_attachments: Anexos
     label_drop_files: Solte os arquivos aqui
     label_drop_files_hint: ou clique para adicionar arquivos
     label_drop_folders_hint: Você não pode enviar pastas como anexo. Por favor, selecione arquivos individuais.
@@ -498,7 +498,8 @@ pt:
           task_board: "O painel de tarefas visualiza o <b>progresso para este sprint</b>. Clique no ícone mais (+) ao lado de uma história de usuário para adicionar novas tarefas ou impedimentos. <br> O status pode ser atualizado arrastando e soltando."
         boards:
           overview: 'Selecione <b>paineis</b> para mudar a visão e gerenciar seu projeto usando a exibição de paineis ágeis.'
-          lists: 'Aqui você pode criar várias listas (colunas) dentro do seu painel. Este recurso permite que você crie um <b>Painel Kanban</b>, por exemplo.'
+          lists_kanban: 'Aqui você pode criar várias listas (colunas) dentro do seu painel. Este recurso permite que você crie um <b>Painel Kanban</b>, por exemplo.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Clique no ícone mais (+) para <b>criar um novo cartão</b> ou <b>adicionar um cartão existente</b> à lista no painel.'
           drag: 'Arraste e solte suas cartas dentro de uma determinada lista para reordená-las, ou para movê-las para outra lista. <br> Você pode clicar no ícone informativo (i) no canto superior direito ou clicar duas vezes em um cartão para abrir seus detalhes.'
         wp:
@@ -509,6 +510,12 @@ pt:
           create_button: 'O botão <b>+ Criar</b> adicionará um novo pacote de trabalho ao seu projeto.'
           timeline_button: 'Você pode ativar a exibição de <b>gráfico de Gantt</b> para criar uma linha do tempo para o seu projeto.'
           timeline: 'Aqui você pode <b>editar seu plano de projeto</b>, criar novos pacotes de trabalho, tais como tarefas, marcos, fases e muito mais, bem como <b>adicionam dependências</b>. Todos os membros da equipe podem visualizar e atualizar o plano mais recente a qualquer momento.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notificações"
       no_unread: "Nenhuma notificação não lida"
@@ -987,7 +994,7 @@ pt:
         activity: Atividade
         relations: Relações
         watchers: Observadores
-        attachments: Anexos
+        files: Arquivos
       time_relative:
         days: "dias"
         weeks: "semanas"
@@ -1162,7 +1169,7 @@ pt:
       clear_selection: 'Clear selection'
       apply: 'Aplicar'
       selected_filter:
-        all: 'All projects'
+        all: 'Todos os projetos'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1170,3 +1177,8 @@ pt:
       load_error_message: 'Ocorreu um erro ao carregar o formulário'
       validation_error_message: 'Corrija os erros presentes no formulário'
       advanced_settings: 'Configurações avançadas'
+    spot:
+      filter_chip:
+        remove: 'Remover'
+      drop_modal:
+        Close: 'Fechar'
diff --git a/config/locales/crowdin/js-ro.yml b/config/locales/crowdin/js-ro.yml
index bcdb450edf..edcbba908b 100644
--- a/config/locales/crowdin/js-ro.yml
+++ b/config/locales/crowdin/js-ro.yml
@@ -24,6 +24,7 @@ ro:
     ajax:
       hide: "Ascundere"
       loading: "Se încarcă..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Trageți pe câmpul editorului pentru a introduce o imagine sau un atașament de referință. Câmpurile de editor închise vor fi deschise în timp ce continuați să trageți.
@@ -452,9 +453,8 @@ ro:
     label_starred_queries: "Configurații favorite"
     label_global_queries: "Configurații publice"
     label_custom_queries: "Configurații private"
-    label_create_new_query: "Creați un nou"
     label_columns: "Coloane"
-    label_attachments: Fişiere
+    label_attachments: Atașamente
     label_drop_files: Trageți fișierele aici
     label_drop_files_hint: sau dați click pentru a adăuga fişiere
     label_drop_folders_hint: Nu puteți încărca dosare ca atașament. Vă rugăm să selectați fișiere individuale.
@@ -498,7 +498,8 @@ ro:
           task_board: "Grupul de lucru vizualizează progresul <b>pentru această sprint</b>. Dă click pe pictograma plus (+) de lângă o povestire de utilizator pentru a adăuga sarcini noi sau impedimente. <br> Starea poate fi actualizată de drag și drop."
         boards:
           overview: 'Selectează secțiunile <b></b> pentru a schimba vizualizarea și administrarea proiectului tău folosind vizualizarea secțiunilor agile.'
-          lists: 'Aici puteţi crea mai multe liste (coloane) în cadrul secţiunii. Această funcţie vă permite să creaţi o <b>tabelă Kanban</b>, de exemplu.'
+          lists_kanban: 'Aici puteţi crea mai multe liste (coloane) în cadrul secţiunii. Această funcţie vă permite să creaţi o <b>tabelă Kanban</b>, de exemplu.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Faceți clic pe pictograma plus (+) pentru a <b>crea un nou card</b> sau <b>adăugați un card existent</b> în lista de pe bord.'
           drag: 'Trage și aruncă cartonașele dintr-o listă dată pentru a le reordona sau muta în altă listă. <br> Poți da click pe pictograma (i) din colțul din dreapta sus sau poți face dublu clic pe un card pentru a-i deschide detaliile.'
         wp:
@@ -509,6 +510,12 @@ ro:
           create_button: 'Butonul <b>Create (Creare</b> ) va adăuga un nou pachet de lucru la proiectul dumneavoastră.'
           timeline_button: 'Puteți activa <b>diagrama Gantt</b> pentru a crea o cronologie pentru proiectul dvs.'
           timeline: 'Aici puteţi <b>edita planul de proiect</b>, crea noi pachete de lucru, cum ar fi sarcini, repere de etapă, faze și multe altele, precum și <b>adaugă dependențe</b>. Toți membrii echipei pot vedea și actualiza cel mai recent plan în orice moment.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notificări"
       no_unread: "Nu sunt notificari necitite"
@@ -988,7 +995,7 @@ ro:
         activity: Activitate
         relations: Relații
         watchers: Observatori
-        attachments: Atașamente
+        files: Fişiere
       time_relative:
         days: "zile"
         weeks: "săptămâni"
@@ -1165,7 +1172,7 @@ ro:
       clear_selection: 'Clear selection'
       apply: 'Salvare'
       selected_filter:
-        all: 'All projects'
+        all: 'Toate Proiectele'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1173,3 +1180,8 @@ ro:
       load_error_message: 'A apărut o eroare la încărcarea formularului'
       validation_error_message: 'Vă rugăm să remediaţi erorile existente în formular'
       advanced_settings: 'Setări avansate'
+    spot:
+      filter_chip:
+        remove: 'Eliminare'
+      drop_modal:
+        Close: 'Închide'
diff --git a/config/locales/crowdin/js-ru.yml b/config/locales/crowdin/js-ru.yml
index a742b2a940..044311c405 100644
--- a/config/locales/crowdin/js-ru.yml
+++ b/config/locales/crowdin/js-ru.yml
@@ -24,9 +24,10 @@ ru:
     ajax:
       hide: "Скрыть"
       loading: "Загрузка ..."
+      updating: "Обновление ..."
     attachments:
       draggable_hint: |
-        Для встраивания изображения или ссылки перетащите их в поле редактора. Закрытые поля редактора будут открыты, пока вы перетаскиваете.
+        Перетащите в поле редактора для вставки изображения или прикрепления ссылки. Закрытые поля будут открыты в течение перетаскивания.
     autocomplete_select:
       placeholder:
         multi: "Добавить \"%{name}\""
@@ -36,10 +37,10 @@ ru:
     backup:
       attachments_disabled: Вложения не могут быть включены, так как их общий размер превышает максимально разрешенный. Вы можете изменить это ограничение в конфигурации (потребуется перезапуск сервера).
       info: >
-        Здесь вы можете запустить резервное копирование. Процесс может занять некоторое время в зависимости от объема данных (особенно вложений). Как только копия будет готова, вы получите письмо.
+        Здесь вы можете запустить резервное копирование. Продолжительность процесса зависит от объема данных (особенно вложений). О завершении процесса вам будет сообщено письмом.
       note: >
         Новая резервная копия создается поверх предыдущий. Число создаваемых резервных копий в день ограничено.
-      last_backup: Последняя резервная копия
+      last_backup: Последняя резервное копирование
       last_backup_from: Последняя резервная копия от
       title: Резервное копирование OpenProject
       options: Параметры
@@ -52,7 +53,7 @@ ru:
     button_add_watcher: "Добавить наблюдателя"
     button_add: "Добавить"
     button_back: "Назад"
-    button_back_to_list_view: "Вернуться к просмотру списка"
+    button_back_to_list_view: "Назад к списку"
     button_cancel: "Отмена"
     button_close: "Закрыть"
     button_change_project: "Изменить проект"
@@ -61,7 +62,7 @@ ru:
     button_confirm: "Подтвердить"
     button_continue: "Продолжить"
     button_copy: "Копировать"
-    button_copy_to_other_project: "Copy to other project"
+    button_copy_to_other_project: "Копировать в другой проект"
     button_custom-fields: "Настраиваемые поля"
     button_delete: "Удалить"
     button_delete_watcher: "Удалить наблюдателя"
@@ -74,7 +75,7 @@ ru:
     button_advanced_filter: "Расширенный фильтр"
     button_list_view: "В виде списка"
     button_show_view: "Полноэкранный просмотр"
-    button_log_time: "Время записи"
+    button_log_time: "Журналировать время"
     button_more: "Ещё"
     button_open_details: "Открыть детальный просмотр"
     button_close_details: "Закрыть детальный просмотр"
@@ -85,7 +86,7 @@ ru:
     button_save: "Сохранить"
     button_settings: "Настройки"
     button_uncheck_all: "Снять все отметки"
-    button_update: "Обновить"
+    button_update: "Обновление"
     button_export-pdf: "Скачать PDF"
     button_export-atom: "Скачать Atom"
     button_create: "Создать"
@@ -104,8 +105,8 @@ ru:
       axis_criteria: 'Критерии осей'
       modal_title: 'Настройки диаграммы пакетов работ'
       types:
-        line: 'Линия'
-        horizontal_bar: 'Горизонтальная полоса'
+        line: 'Строка'
+        horizontal_bar: 'Полосовая'
         bar: 'Столбец'
         pie: 'Круговая'
         doughnut: 'Кольцевая'
@@ -113,7 +114,7 @@ ru:
         polar_area: 'Круговая полярная'
       tabs:
         graph_settings: 'Общие'
-        dataset: 'Набор данных %{number}'
+        dataset: 'Набор %{number}'
       errors:
         could_not_load: 'Данные для отображения диаграммы не могут быть загружены. Могут отсутствовать необходимые разрешения.'
     description_available_columns: "Доступные столбцы"
@@ -250,7 +251,7 @@ ru:
     enumeration_doc_categories: "Категории документов"
     enumeration_work_package_priorities: "Приоритеты пакета работ"
     filter:
-      more_values_not_shown: "There are %{total} more results, search to filter results."
+      more_values_not_shown: "Есть еще %{total} результатов для фильтрации."
       description:
         text_open_filter: "Откройте этот фильтр клавишей 'ALT' и клавишами со стрелками."
         text_close_filter: "Для выбора элемента установите на нем фокус и нажмите Enter. Для очистки фильтра выберите первую (пустого) запись."
@@ -366,7 +367,7 @@ ru:
     label_information_plural: "Информация"
     label_import: "Импорт"
     label_latest_activity: "Последние действия"
-    label_last_updated_on: "Последнее обновление"
+    label_last_updated_on: "Последний раз обновлено"
     label_learn_more_link: "Узнать больше"
     label_less_or_equal: "<="
     label_less_than_ago: "менее нескольких дней назад"
@@ -374,7 +375,7 @@ ru:
     label_mail_notification: "Уведомления по email"
     label_me: "я"
     label_meeting_agenda: "Повестка дня"
-    label_meeting_minutes: "Минут"
+    label_meeting_minutes: "Протокол(-ы)"
     label_menu_collapse: "свернуть"
     label_menu_expand: "развернуть"
     label_more_than_ago: "более нескольких дней назад"
@@ -452,9 +453,8 @@ ru:
     label_starred_queries: "Избранные представления"
     label_global_queries: "Публичные представления"
     label_custom_queries: "Приватные представления"
-    label_create_new_query: "Создать новый"
     label_columns: "Столбцы"
-    label_attachments: Файлы
+    label_attachments: Вложения
     label_drop_files: Перетащите файлы сюда
     label_drop_files_hint: или кликните для добавления файлов
     label_drop_folders_hint: Вы не можете загружать папки как вложение. Пожалуйста, выберите один файл.
@@ -498,7 +498,8 @@ ru:
           task_board: "Панель задач визуализирует прогресс <b>для этого спринта</b>. Нажмите на значок плюс (+) рядом с пользовательской историей, чтобы добавить новые задачи или препятствия. <br> Статус можно обновить перетаскиванием."
         boards:
           overview: 'Выберите <b>доски</b> , чтобы сдвинуть вид и управлять вашим проектом с помощью вида agile-доски.'
-          lists: 'Здесь вы можете создать несколько списков (столбцов) на доске. Эта функция позволяет создать <b>доску Канбана</b>, например.'
+          lists_kanban: 'Здесь вы можете создать несколько списков (столбцов) на доске. Эта функция позволяет создать <b>доску Канбана</b>, например.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Нажмите на значок плюс (+) для <b>создания новой карты</b> или <b>добавить существующую карту</b> в список на доске.'
           drag: 'Перетащите карты в заданный список, чтобы упорядочить их или переместить в другой список. <br> Вы можете щелкнуть по иконке info (i) в верхнем правом углу или дважды щелкнуть по карте, чтобы открыть ее данные.'
         wp:
@@ -509,6 +510,12 @@ ru:
           create_button: 'Кнопка <b>+ Создать</b> добавит новый пакет работ в ваш проект.'
           timeline_button: 'Вы можете активировать <b>график Гантта</b> для создания ленты времени вашего проекта.'
           timeline: 'Здесь вы можете <b>редактировать план проекта</b>, создавать новые пакеты работ, например, задачи, этапы, фазы и многое другое, а также <b>добавить зависимости</b>. Все члены команды могут видеть и обновлять план в любое время.'
+        team_planner:
+          overview: 'Планировщик команды позволяет наглядно назначать задачи членам команды и получать представление о том, кто над чем работает.'
+          calendar: 'На доске планирования еженедельно или раз в две недели отображаются все пакеты работ членов вашей команды.'
+          add_assignee: 'Вначале добавьте в планировщике задачи назначенных лиц'
+          add_existing: 'Найдите существующие пакеты работ и перетащите их в планировщик команд для  немедленного их назначения члену команды и определения дат начала и окончания.'
+          card: 'Для перемещения пакета работ назад или вперед во времени перетаскивайте его по горизонтали, изменяйте даты начала и окончания, изменяя размер пакета перетаскиванием его краев, назначайте пакета работ другому участнику перетаскиванием пакета в другую строку по вертикали.'
     notifications:
       title: "Уведомления"
       no_unread: "Нет непрочитанных уведомлений"
@@ -685,7 +692,7 @@ ru:
       partof: "Часть"
       requires: "Требуется"
       required: "Требуется для"
-      relation_type: "тип отношения"
+      relation_type: "тип связи"
     relations_hierarchy:
       parent_headline: "Родитель"
       hierarchy_headline: "Иерархия"
@@ -694,7 +701,7 @@ ru:
       set_parent: "Установить родителя"
       change_parent: "Изменить родителя"
       remove_parent: "Удалить родителя"
-      hierarchy_indent: "Иерархия с отступом"
+      hierarchy_indent: "Иерархия отступов"
       hierarchy_outdent: "Иерархия с выступом"
       group_by_wp_type: "Группировать по типу пакета работ"
       group_by_relation_type: "Группировать по типу связи"
@@ -716,7 +723,7 @@ ru:
       abort: "Прервать"
     relations_autocomplete:
       placeholder: "Введите для поиска"
-      parent_placeholder: "Выберите нового родителя или нажмите кнопку \"Отменить\"."
+      parent_placeholder: "Выберите нового родителя или нажмите escape, чтобы отменить."
     autocompleter:
       placeholder: "Введите для поиска"
       notFoundText: "Элементов не найдено"
@@ -809,7 +816,7 @@ ru:
       deleted: "Удалено"
       code: "Встроенный код"
       heading1: "Заголовок 1"
-      heading2: "Заголовок 2"
+      heading2: "Заголовок 1"
       heading3: "Заголовок 3"
       unordered_list: "Неупорядоченный список"
       ordered_list: "Упорядоченный список"
@@ -989,7 +996,7 @@ ru:
         activity: Деятельность
         relations: Связи
         watchers: Наблюдатель
-        attachments: Вложения
+        files: Файлы
       time_relative:
         days: "дней"
         weeks: "недели"
@@ -1049,7 +1056,7 @@ ru:
       button_save: "%{attribute}: Сохранить"
       button_cancel: "%{attribute}: Отменить"
       button_save_all: "Сохранить"
-      button_cancel_all: "Отменить"
+      button_cancel_all: "Отмена"
       link_formatting_help: "Справка по форматированию текста"
       btn_preview_enable: "Предпросмотр"
       btn_preview_disable: "Отключить предпросмотр"
@@ -1074,8 +1081,8 @@ ru:
       child_work_packages:
         one: "пакет работ с одним дочерним"
         few: "пакетов работ с %{count} дочерними"
-        many: "пакетов работ с %{count} дочерними"
-        other: "пакетов работ с %{count} дочерними"
+        many: "пакет работ с %{count} дочерними"
+        other: "пакет работ с %{count} дочерними"
       hour:
         one: "1 ч"
         other: "%{count} ч"
@@ -1163,16 +1170,21 @@ ru:
           group: 'Теперь группа является частью %{project}. Тем временем вы уже можете спланировать работу с этой группой и назначить пакеты работ.'
         next_button: 'Продолжить'
     include_projects:
-      toggle_title: 'Include Projects'
+      toggle_title: 'Включить проекты'
       title: 'Проекты'
-      clear_selection: 'Clear selection'
+      clear_selection: 'Отменить выделение'
       apply: 'Применить'
       selected_filter:
-        all: 'All projects'
-        selected: 'Only selected'
-      search_placeholder: 'Search project...'
+        all: 'Все проекты'
+        selected: 'Только выбранные'
+      search_placeholder: 'Поиск проекта...'
     forms:
       submit_success_message: 'Форма успешно отправлена'
       load_error_message: 'Произошла ошибка при загрузке формы'
       validation_error_message: 'Пожалуйста, исправьте ошибки в форме'
       advanced_settings: 'Расширенные настройки'
+    spot:
+      filter_chip:
+        remove: 'Удалить'
+      drop_modal:
+        Close: 'Закрыть'
diff --git a/config/locales/crowdin/js-rw.yml b/config/locales/crowdin/js-rw.yml
index 72ad58ecbd..75e67a31a5 100644
--- a/config/locales/crowdin/js-rw.yml
+++ b/config/locales/crowdin/js-rw.yml
@@ -24,6 +24,7 @@ rw:
     ajax:
       hide: "Hide"
       loading: "Loading ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Drag on editor field to inline image or reference attachment. Closed editor fields will be opened while you keep dragging.
@@ -453,9 +454,8 @@ rw:
     label_starred_queries: "Favorite views"
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
-    label_create_new_query: "Create new"
     label_columns: "Columns"
-    label_attachments: Files
+    label_attachments: Attachments
     label_drop_files: Drop files here
     label_drop_files_hint: or click to add files
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -499,7 +499,8 @@ rw:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ rw:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -988,7 +995,7 @@ rw:
         activity: Activity
         relations: Relations
         watchers: Watchers
-        attachments: Attachments
+        files: Files
       time_relative:
         days: "days"
         weeks: "weeks"
@@ -1171,3 +1178,8 @@ rw:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/locales/crowdin/js-si.yml b/config/locales/crowdin/js-si.yml
index 1675e40c27..e327220db1 100644
--- a/config/locales/crowdin/js-si.yml
+++ b/config/locales/crowdin/js-si.yml
@@ -24,6 +24,7 @@ si:
     ajax:
       hide: "සඟවන්න"
       loading: "පැටවීම..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         පේළිගත රූපය හෝ යොමු ඇමුණුමක් කර්තෘ ක්ෂේත්රය මත ඇදගෙන යන්න. ඔබ ඇදගෙන යන අතරතුර සංවෘත සංස්කාරක ක්ෂේත්ර විවෘත කරනු ඇත.
@@ -453,9 +454,8 @@ si:
     label_starred_queries: "ප්රියතම අදහස්"
     label_global_queries: "මහජන අදහස්"
     label_custom_queries: "පෞද්ගලික අදහස්"
-    label_create_new_query: "නව නිර්මාණය"
     label_columns: "තීරු"
-    label_attachments: ගොනු
+    label_attachments: ඇමුණුම්
     label_drop_files: ගොනු මෙහි අතහැර
     label_drop_files_hint: හෝ ගොනු එකතු කිරීමට ක්ලික් කරන්න
     label_drop_folders_hint: ඔබට ෆෝල්ඩර ඇමුණුමක් ලෙස උඩුගත කළ නොහැක. කරුණාකර තනි ගොනු තෝරන්න.
@@ -499,7 +499,8 @@ si:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ si:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "නොකියවූ දැනුම්දීම් නැත"
@@ -988,7 +995,7 @@ si:
         activity: ක්‍රියාකාරකම
         relations: සබඳතා
         watchers: මුරකරුවන්
-        attachments: ඇමුණුම්
+        files: ගොනු
       time_relative:
         days: "දින"
         weeks: "සති"
@@ -1171,3 +1178,8 @@ si:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'උසස් සැකසුම්'
+    spot:
+      filter_chip:
+        remove: 'ඉවත් කරන්න'
+      drop_modal:
+        Close: 'වසන්න'
diff --git a/config/locales/crowdin/js-sk.yml b/config/locales/crowdin/js-sk.yml
index e42b898648..74c262f336 100644
--- a/config/locales/crowdin/js-sk.yml
+++ b/config/locales/crowdin/js-sk.yml
@@ -24,6 +24,7 @@ sk:
     ajax:
       hide: "Skryť"
       loading: "Načítava sa ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Pre vloženie obrázka alebo referenčnej prílohy presuňte súbor do editovateľného poľa. Uzavreté pole editora sa bude otvárať počas nepretržitého ťahania.
@@ -453,9 +454,8 @@ sk:
     label_starred_queries: "Zobrazenie obľúbených"
     label_global_queries: "Verejné zobrazenia"
     label_custom_queries: "Súkromné zobrazenia"
-    label_create_new_query: "Vytvoriť nový"
     label_columns: "Stĺpce"
-    label_attachments: Súbory
+    label_attachments: Prílohy
     label_drop_files: Presuňte súbory sem
     label_drop_files_hint: alebo kliknite na tlačidlo Pridať súbory
     label_drop_folders_hint: Nie je možné použiť priečinok ako prílohu. Prosím vyberte jednotlivé súbory.
@@ -499,7 +499,8 @@ sk:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -510,6 +511,12 @@ sk:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -990,7 +997,7 @@ sk:
         activity: Činnosť
         relations: Väzby
         watchers: Pozorovatelia
-        attachments: Prílohy
+        files: Súbory
       time_relative:
         days: "dní"
         weeks: "týždne"
@@ -1177,3 +1184,8 @@ sk:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Rozšírené nastavenia'
+    spot:
+      filter_chip:
+        remove: 'Vymazať'
+      drop_modal:
+        Close: 'Zatvoriť'
diff --git a/config/locales/crowdin/js-sl.yml b/config/locales/crowdin/js-sl.yml
index 08f5ece964..8940e8a65d 100644
--- a/config/locales/crowdin/js-sl.yml
+++ b/config/locales/crowdin/js-sl.yml
@@ -24,6 +24,7 @@ sl:
     ajax:
       hide: "Skrij"
       loading: "Nalaganje..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         Povlecite na urejevalno polje, da vstavite sliko ali referenčno prilogo. Med nadaljevanjem vlečenja se bodo odprla zaprta polja urejevalnika.
@@ -452,9 +453,8 @@ sl:
     label_starred_queries: "Priljubljeni pogledi"
     label_global_queries: "Javni pogledi"
     label_custom_queries: "Zasebni pogledi"
-    label_create_new_query: "Ustvari novega"
     label_columns: "Stolpci"
-    label_attachments: Datoteke
+    label_attachments: Priponka
     label_drop_files: Spustite datoteke tukaj
     label_drop_files_hint: ali kliknite da dodate datoteke
     label_drop_folders_hint: Mape ne morate naložiti kot priponke. Prosim izberite samo eno datoteko. 
@@ -498,7 +498,8 @@ sl:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -509,6 +510,12 @@ sl:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Tu lahko <b>urejate načrt vašega projekta</b>, ustvarjate nove delovne pakete, kot so naloge, mejniki, etape in drugo, ter <b>prilagajate odvisnosti</b>. Vsi člani ekipe lahko kadar koli vidijo in posodobijo najnovejši načrt.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "Notifications"
       no_unread: "No unread notifications"
@@ -989,7 +996,7 @@ sl:
         activity: Aktivnost
         relations: Relacije
         watchers: Opazovalci
-        attachments: Priponka
+        files: Datoteke
       time_relative:
         days: "dnevi"
         weeks: "tednov"
@@ -1168,7 +1175,7 @@ sl:
       clear_selection: 'Clear selection'
       apply: 'Potrdi'
       selected_filter:
-        all: 'All projects'
+        all: 'Vsi projekti'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1176,3 +1183,8 @@ sl:
       load_error_message: 'Pri nalaganju obrazca je prišlo do napake'
       validation_error_message: 'Prosimo popravite napake v obrazcu'
       advanced_settings: 'Napredne nastavitve'
+    spot:
+      filter_chip:
+        remove: 'Odstrani'
+      drop_modal:
+        Close: 'Zapri'
diff --git a/config/locales/crowdin/js-sv.yml b/config/locales/crowdin/js-sv.yml
index ad808ebfd7..1ce4e65a85 100644
--- a/config/locales/crowdin/js-sv.yml
+++ b/config/locales/crowdin/js-sv.yml
@@ -22,1151 +22,1163 @@
 sv:
   js:
     ajax:
-      hide: ""
-      loading: ""
+      hide: "Dölj"
+      loading: "Laddar ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
-
+        Dra på editorfältet för att infoga bild eller referensbilaga. Stängda editorfält kommer att öppnas medan du fortsätter att dra.
     autocomplete_select:
       placeholder:
-        multi: ""
-        single: ""
-      remove: ""
-      active: ""
+        multi: "Lägg till ”%{name}”"
+        single: "Välj ”%{name}”"
+      remove: "Ta bort %{name}"
+      active: "Aktiva %{label} %{name}"
     backup:
-      attachments_disabled:
+      attachments_disabled: Attachments may not be included since they exceed the maximum overall size allowed. You can change this via the configuration (requires a server restart).
       info: >
-
+        You can trigger a backup here. The process can take some time depending on the amount of data (especially attachments) you have. You will receive an email once it's ready.
       note: >
-
-      last_backup:
-      last_backup_from:
-      title:
-      options:
-      include_attachments:
-      download_backup:
-      request_backup:
-    close_popup_title: ""
-    close_filter_title: ""
-    close_form_title: ""
-    button_add_watcher: ""
-    button_add: ""
-    button_back: ""
-    button_back_to_list_view: ""
-    button_cancel: ""
-    button_close: ""
-    button_change_project: ""
-    button_check_all: ""
-    button_configure-form: ""
-    button_confirm: ""
-    button_continue: ""
-    button_copy: ""
-    button_copy_to_other_project: ""
-    button_custom-fields: ""
-    button_delete: ""
-    button_delete_watcher: ""
-    button_details_view: ""
-    button_duplicate: ""
-    button_edit: ""
-    button_filter: ""
-    button_collapse_all: ""
-    button_expand_all: ""
-    button_advanced_filter: ""
-    button_list_view: ""
-    button_show_view: ""
-    button_log_time: ""
-    button_more: ""
-    button_open_details: ""
-    button_close_details: ""
-    button_open_fullscreen: ""
-    button_show_cards: ""
-    button_show_list: ""
-    button_quote: ""
-    button_save: ""
-    button_settings: ""
-    button_uncheck_all: ""
-    button_update: ""
-    button_export-pdf: ""
-    button_export-atom: ""
-    button_create: ""
+        A new backup will override any previous one. Only a limited number of backups per day can be requested.
+      last_backup: Last backup
+      last_backup_from: Last backup from
+      title: Backup OpenProject
+      options: Alternativ
+      include_attachments: Include attachments
+      download_backup: Download backup
+      request_backup: Request backup
+    close_popup_title: "Stäng popup"
+    close_filter_title: "Stäng filter"
+    close_form_title: "Stäng formulär"
+    button_add_watcher: "Lägg till bevakare"
+    button_add: "Lägg till"
+    button_back: "Tillbaka"
+    button_back_to_list_view: "Tillbaka till listvy"
+    button_cancel: "Avbryt"
+    button_close: "Stäng"
+    button_change_project: "Ändra projekt"
+    button_check_all: "Markera alla"
+    button_configure-form: "Ställ in formulär"
+    button_confirm: "Bekräfta"
+    button_continue: "Fortsätt"
+    button_copy: "Kopiera"
+    button_copy_to_other_project: "Copy to other project"
+    button_custom-fields: "Anpassade fält"
+    button_delete: "Ta bort"
+    button_delete_watcher: "Ta bort bevakare"
+    button_details_view: "Detaljvy"
+    button_duplicate: "Duplicera"
+    button_edit: "Redigera"
+    button_filter: "Filter"
+    button_collapse_all: "Fäll ihop alla"
+    button_expand_all: "Expandera alla"
+    button_advanced_filter: "Avancerat filter"
+    button_list_view: "Listvy"
+    button_show_view: "Helskärmsläge"
+    button_log_time: "Logga tid"
+    button_more: "Mer"
+    button_open_details: "Öppna detaljvyn"
+    button_close_details: "Stäng detaljvyn"
+    button_open_fullscreen: "Öppna fullskärmsläge"
+    button_show_cards: "Visa kortvy"
+    button_show_list: "Visa listvy"
+    button_quote: "Citat"
+    button_save: "Spara"
+    button_settings: "Inställningar"
+    button_uncheck_all: "Avmarkera alla"
+    button_update: "Uppdatera"
+    button_export-pdf: "Ladda ner PDF"
+    button_export-atom: "Ladda ner Atom"
+    button_create: "Skapa"
     card:
-      add_new: ''
+      add_new: 'Lägg till kort'
       highlighting:
-        inline: ''
-        entire_card_by: ''
-      remove_from_list: ''
-    caption_rate_history: ""
+        inline: 'Markera inline:'
+        entire_card_by: 'Hela kortet med'
+      remove_from_list: 'Ta bort kort från listan'
+    caption_rate_history: "Historiska timpriser"
     clipboard:
-      browser_error: ""
-      copied_successful: ""
+      browser_error: "Din webbläsare stöder inte kopiera till Urklipp. Vänligen kopiera den markerade texten manuellt."
+      copied_successful: "Successfully copied to clipboard!"
     chart:
-      type: ''
-      axis_criteria: ''
-      modal_title: ''
+      type: 'Typ av diagram'
+      axis_criteria: 'Axelkriterier'
+      modal_title: 'Konfiguration av graf för arbetspaket'
       types:
-        line: ''
-        horizontal_bar: ''
-        bar: ''
-        pie: ''
-        doughnut: ''
-        radar: ''
-        polar_area: ''
+        line: 'Linje'
+        horizontal_bar: 'Horisontell linje'
+        bar: 'Stapel'
+        pie: 'Paj'
+        doughnut: 'Munk'
+        radar: 'Radar'
+        polar_area: 'Polarområde'
       tabs:
-        graph_settings: ''
-        dataset: ''
+        graph_settings: 'Allmänt'
+        dataset: 'Dataset %{number}'
       errors:
-        could_not_load: ''
-    description_available_columns: ""
-    description_current_position: ""
-    description_select_work_package: ""
-    description_selected_columns: ""
-    description_subwork_package: ""
+        could_not_load: 'Data för att visa grafen kunde inte laddas. De nödvändiga behörigheterna kan saknas.'
+    description_available_columns: "Tillgängliga kolumner"
+    description_current_position: "Du är här: "
+    description_select_work_package: "Välj arbetspaket #%{id}"
+    description_selected_columns: "Markerade kolumner"
+    description_subwork_package: "Barn till arbetspaket #%{id}"
     editor:
-      preview: ''
-      source_code: ''
-      error_saving_failed: ''
-      ckeditor_error: ''
+      preview: 'Växla förhandsgranskningsläge'
+      source_code: 'Växla markdown-källläge'
+      error_saving_failed: 'Misslyckades med att spara dokumentet på grund av följande fel: %{error}'
+      ckeditor_error: 'An error occurred within CKEditor'
       mode:
-        manual: ''
-        wysiwyg: ''
+        manual: 'Växla till markdown-källa'
+        wysiwyg: 'Växla till WYSIWYG-redigerare'
       macro:
-        error: ''
+        error: 'Cannot expand macro: %{message}'
         attribute_reference:
-          macro_help_tooltip: ''
-          not_found: ''
-          invalid_attribute: ""
+          macro_help_tooltip: 'This text segment is being dynamically rendered by a macro.'
+          not_found: 'Requested resource could not be found'
+          invalid_attribute: "The selected attribute '%{name}' does not exist."
         child_pages:
-          button: ''
-          include_parent: ''
-          text: ''
-          page: ''
-          this_page: ''
+          button: 'Länkar till underordnade sidor'
+          include_parent: 'Inkludera överordnade'
+          text: '[Placeholder] länkar till underordnade sidor av'
+          page: 'Wiki-sida'
+          this_page: 'den här sidan'
           hint: |
-
+            Lämna fältet tomt om du vill lista alla underordnade sidor på den aktuella sidan. Om du vill referera till en annan sida, ange dess titel eller slug.
         code_block:
-          button: ''
-          title: ''
-          language: ''
-          language_hint: ''
+          button: 'Infoga kodstycket'
+          title: 'Infoga / redigera kodavsnitt'
+          language: 'Formateringsspråk'
+          language_hint: 'Ange det formateringsspråk som används för att belysa (om det stöds).'
         dropdown:
-          macros: ''
-          chose_macro: ''
-        toc: ''
-        toolbar_help: ''
+          macros: 'Makron'
+          chose_macro: 'Välj makro'
+        toc: 'Innehållsförteckning'
+        toolbar_help: 'Klicka på välj widget och visa verktygsfältet. Dubbelklicka om du vill redigera widget'
         wiki_page_include:
-          button: ''
-          text: ''
-          page: ''
-          not_set: ''
+          button: 'Inkludera innehåll från en annan wiki-sida'
+          text: '[Placeholder] Inkluderad wiki-sida för'
+          page: 'Wiki-sida'
+          not_set: '(Sida ännu inte satt)'
           hint: |
-
+            Inkludera innehåll från en annan wiki-sida genom att ange dess titel eller slug. Du kan inkludera wiki-sidan för ett annat projekt genom att separera dem med ett kolon som följande exempel.
         work_package_button:
-          button: ''
-          type: ''
-          button_style: ''
-          button_style_hint: ''
-          without_type: ''
-          with_type: ''
+          button: 'Lägg till skapa arbetspaket-knapp'
+          type: 'Arbetspaketstyper'
+          button_style: 'Använd knappstil'
+          button_style_hint: 'Frivilligt: Markera för att makrot ska synas som en knapp istället för en länk.'
+          without_type: 'Skapa arbetspaket'
+          with_type: 'Skapa arbetspaket (Typ: %{typename})'
         embedded_table:
-          button: ''
-          text: ''
+          button: 'Bädda in arbetspaket-tabell'
+          text: '[Placeholder] Inbäddade tabeller för arbetspaket'
         embedded_calendar:
-          text: ''
+          text: '[Placeholder] Inbäddad kalender'
     admin:
       type_form:
-        custom_field: ''
-        inactive: ''
-        drag_to_activate: ""
-        add_group: ""
-        add_table: ""
-        edit_query: ''
-        new_group: ''
-        reset_to_defaults: ''
+        custom_field: 'Anpassat fält'
+        inactive: 'Inaktiv'
+        drag_to_activate: "Dra fält härifrån för att aktivera dom"
+        add_group: "Lägg till attributgrupp"
+        add_table: "Lägg till tabell med relaterade arbetspaket"
+        edit_query: 'Redigera fråga'
+        new_group: 'Ny grupp'
+        reset_to_defaults: 'Återställ standardinställningar'
       enterprise:
-        text_reprieve_days_left: ""
-        text_expired: ""
+        text_reprieve_days_left: "%{days} days until end of grace period"
+        text_expired: "expired"
         trial:
-          confirmation: ""
+          confirmation: "Bekräftelse av e-postadress"
           confirmation_info: >
-
+            We sent you an email on %{date} to %{email}. Please check your inbox and click the confirmation link provided to start your 14 days trial.
           form:
             general_consent: >
-
-            invalid_email: ""
-            label_company: ""
-            label_first_name: ""
-            label_last_name: ""
-            label_domain: ""
-            label_subscriber: ""
-            label_maximum_users: ""
-            label_starts_at: ""
-            label_expires_at: ""
-            receive_newsletter:
-            taken_domain:
-            taken_email:
-          email_not_received: ""
-          try_another_email: ""
-          next_steps: ""
-          resend_link: ""
-          resend_success: ""
-          resend_warning: ""
-          session_timeout: ""
-          status_label: ""
-          status_confirmed: ""
-          status_waiting: ""
-          test_ee: ""
-          quick_overview: ""
+              Jag godkänner <a target="_blank" href="%{link_terms}">användarvillkoren</a> och <a target="_blank" href="%{link_privacy}">integritetspolicyn</a>.
+            invalid_email: "Invalid email address"
+            label_company: "Company"
+            label_first_name: "Förnamn"
+            label_last_name: "Efternamn"
+            label_domain: "Domain"
+            label_subscriber: "Prenumerant"
+            label_maximum_users: "Max antal aktiva användare"
+            label_starts_at: "Starts at"
+            label_expires_at: "Förfaller den"
+            receive_newsletter: I want to receive the OpenProject <a target="_blank" href="%{link}">newsletter</a>.
+            taken_domain: There can only be one active trial per domain.
+            taken_email: Each user can only create one trial.
+          email_not_received: "You did not receive an email? You can resend the email with the link on the right."
+          try_another_email: "Or try it with another email address."
+          next_steps: "Next steps"
+          resend_link: "Skicka igen"
+          resend_success: "Email has been resent. Please check your emails and click the confirmation link provided."
+          resend_warning: "Could not resend email."
+          session_timeout: "Your session timed out. Please try to reload the page or resend email."
+          status_label: "Status:"
+          status_confirmed: "bekräftade"
+          status_waiting: "email sent - waiting for confirmation"
+          test_ee: "Test the Enterprise Edition 14 days for free"
+          quick_overview: "Get a quick overview of project management and team collaboration with OpenProject Enterprise Edition."
         upsale:
-          become_hero: ""
+          become_hero: "Bli en hjälte!"
           benefits:
-            description: ""
-            high_security: ""
-            high_security_text: ""
-            installation: ""
-            installation_text: ""
-            premium_features: ""
-            premium_features_text: ""
-            professional_support: ""
-            professional_support_text: ""
-          button_start_trial: ""
-          button_book_now: ""
+            description: "What are the benefits of the Enterprise on-premises Edition?"
+            high_security: "Security features"
+            high_security_text: "Single sign on (SAML, OpenID Connect, CAS), two-factor authentication and automatic sync of LDAP groups."
+            installation: "Installation support"
+            installation_text: "Experienced software engineers guide you through the complete installation and setup process in your own infrastructure."
+            premium_features: "Premium features"
+            premium_features_text: "Agile boards, custom theme and logo, graphs, intelligent workflows with custom actions, full text search for work package attachments and multi-select custom fields."
+            professional_support: "Professionell hjälp"
+            professional_support_text: "Get reliable, high-touch support from senior support engineers with expert knowledge about running OpenProject in business-critical environments."
+          button_start_trial: "Starta fri provperiod"
+          button_book_now: "Boka nu"
           confidence: >
-
-          link_quote: ""
+            We deliver the confidence of a tested and supported enterprise-class project management software - with Open Source and an open mind.
+          link_quote: "Få en offert"
           text: >
-
-          unlimited: ""
-          you_contribute: ""
+            The OpenProject Enterprise Edition builds on top of the Community Edition. It includes premium features and professional support mainly aimed at organizations with more than 10 users that manage business critical projects with OpenProject.
+          unlimited: "Unlimited"
+          you_contribute: "Developers need to pay their bills, too. With the Enterprise Edition, you substantially contribute to this Open Source community effort."
     custom_actions:
       date:
-        specific: ''
-        current_date: ''
+        specific: 'på'
+        current_date: 'Aktuellt datum'
     error:
-      internal: ""
-      cannot_save_changes_with_message: ""
-      query_saving: ""
-      embedded_table_loading: ""
-    enumeration_activities: ""
-    enumeration_doc_categories: ""
-    enumeration_work_package_priorities: ""
+      internal: "Ett internt fel har inträffat."
+      cannot_save_changes_with_message: "Kan inte spara dina ändringar på grund av följande error: %{error}"
+      query_saving: "Vyn kunde inte sparas."
+      embedded_table_loading: "Den inbäddade vyn kunde inte laddas: %{message}"
+    enumeration_activities: "Aktiviteter (tidredovisning)"
+    enumeration_doc_categories: "Dokumentkategorier"
+    enumeration_work_package_priorities: "Arbetspaketsprioritering"
     filter:
-      more_values_not_shown: ""
+      more_values_not_shown: "There are %{total} more results, search to filter results."
       description:
-        text_open_filter: ""
-        text_close_filter: ""
-      noneElement: ""
+        text_open_filter: "Öppna det här filtret med 'ALT' och piltangenterna."
+        text_close_filter: "Välj en post genom att ändra fokus (ex. med 'ENTER'). Välj den första (tomma) posten för att lämna utan filter."
+      noneElement: "(ingen)"
       time_zone_converted:
-        two_values: ""
-        only_start: ""
-        only_end: ""
-      value_spacer: ""
+        two_values: "%{from} - %{to} lokal tid."
+        only_start: "Från %{from} lokala tid."
+        only_end: "Till %{to} lokala tid."
+      value_spacer: "-"
       sorting:
         criteria:
-          one: ""
-          two: ""
-          three: ""
-      upsale_for_more: ""
-      upsale_link: ''
-    general_text_no: ""
-    general_text_yes: ""
-    general_text_No: ""
-    general_text_Yes: ""
+          one: "Första sorteringskriteriet"
+          two: "Andra sorteringskriteriet"
+          three: "Tredje sorteringskriteriet"
+      upsale_for_more: "För mer avancerade filter, kolla in"
+      upsale_link: 'Enterprise Edition.'
+    general_text_no: "nej"
+    general_text_yes: "ja"
+    general_text_No: "Nej"
+    general_text_Yes: "Ja"
     hal:
       error:
-        update_conflict_refresh: ""
-        edit_prohibited: ""
+        update_conflict_refresh: "Klicka här för att uppdatera resursen och uppdatera till den nyaste versionen."
+        edit_prohibited: "Redigering av %{attribute} är blockerad för denna resurs. Antingen härrör detta attribut från relationer (t.ex. barn) eller på annat sätt inte konfigurerbar."
         format:
-          date: ""
-        general: ""
+          date: "%{attribute} är inget giltigt datum - förväntat format är åååå-mm-dd."
+        general: "Ett fel har inträffat."
     homescreen:
       blocks:
         new_features:
-          text_new_features: ""
-          learn_about: ""
+          text_new_features: "Läs om nya funktioner och produktuppdateringar."
+          learn_about: "Learn more about the new features"
           #Include the version to invalidate outdated translations in other locales.
           #Otherwise, e.g. chinese might still have the translations for 10.0 in the 12.0 release.
           '12_0':
             standard:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
+                The release contains various new features and improvements: <br> <ul class="%{list_styling_class}"> <li>With the new <b>in-app notifications</b> you receive all important updates directly in the application and don't get a flood of emails anymore.</li> <li>The new <b>notification center</b> shows all the changes, including intuitive filter options, e.g. by reason for notification or projects. It even allows editing directly in a split view.</li> <li>Improved <b>notification settings</b> allow to fine-tune for which actions and in which projects you want to receive a notification.</li> <li><b>Email reminders</b> can be configured to receive important updates via a daily email summary.</li> <li>The work package auto-completer for relations now also shows additional information (project name, status, ...) to easily identify the respective work package.</li> </ul>
             bim:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
-    label_activate: ""
-    label_add_column_after: ""
-    label_add_column_before: ""
-    label_add_columns: ""
-    label_add_comment: ""
-    label_add_comment_title: ""
-    label_add_row_after: ""
-    label_add_row_before: ""
-    label_add_selected_columns: ""
-    label_added_by: ""
-    label_added_time_by: ""
-    label_ago: ""
-    label_all: ""
-    label_all_work_packages: ""
-    label_and: ""
-    label_ascending: ""
-    label_author: ""
-    label_avatar: ""
-    label_between: ""
-    label_board: ""
-    label_board_locked: ""
-    label_board_plural: ""
-    label_board_sticky: ""
-    label_change: ""
-    label_create: ""
-    label_create_work_package: ""
-    label_created_by: ""
-    label_date: ""
-    label_date_with_format: ""
-    label_deactivate: ""
-    label_descending: ""
-    label_description: ""
-    label_details: ""
-    label_display: ""
-    label_cancel_comment: ""
-    label_closed_work_packages: ""
-    label_collapse: ""
-    label_collapsed: ""
-    label_collapse_all: ""
-    label_comment: ""
-    label_committed_at: ""
-    label_committed_link: ""
-    label_contains: ""
-    label_created_on: ""
-    label_edit_comment: ""
-    label_edit_status: ""
-    label_email: ""
-    label_equals: ""
-    label_expand: ""
-    label_expanded: ""
-    label_expand_all: ""
-    label_expand_project_menu: ""
-    label_export: ""
-    label_export_preparing: ""
-    label_filename: ""
-    label_filesize: ""
-    label_general: ""
-    label_global_roles: ""
-    label_greater_or_equal: ""
-    label_group: ''
-    label_group_by: ""
-    label_group_plural: ""
-    label_hide_attributes: ""
-    label_hide_column: ""
-    label_hide_project_menu: ""
-    label_in: ""
-    label_in_less_than: ""
-    label_in_more_than: ""
-    label_incoming_emails: ""
-    label_information_plural: ""
-    label_import: ""
-    label_latest_activity: ""
-    label_last_updated_on: ""
-    label_learn_more_link: ""
-    label_less_or_equal: ""
-    label_less_than_ago: ""
-    label_loading: ""
-    label_mail_notification: ""
-    label_me: ""
-    label_meeting_agenda: ""
-    label_meeting_minutes: ""
-    label_menu_collapse: ""
-    label_menu_expand: ""
-    label_more_than_ago: ""
-    label_next: ""
-    label_no_color: ""
-    label_no_data: ""
-    label_no_due_date: ""
-    label_no_start_date: ""
-    label_no_value: ""
-    label_none: ""
-    label_not_contains: ""
-    label_not_equals: ""
-    label_on: ""
-    label_open_menu: ""
-    label_open_context_menu: ""
-    label_open_work_packages: ""
-    label_password: ""
-    label_previous: ""
-    label_per_page: ""
-    label_please_wait: ""
-    label_project_plural: ""
-    label_visibility_settings: ""
-    label_quote_comment: ""
-    label_recent: ""
-    label_reset: ""
-    label_remove: ""
-    label_remove_column: ""
-    label_remove_columns: ""
-    label_remove_row: ""
-    label_report: ""
-    label_repository_plural: ""
-    label_save_as: ""
-    label_select_watcher: ""
-    label_selected_filter_list: ""
-    label_show_attributes: ""
-    label_show_in_menu: ""
-    label_sort_by: ""
-    label_sorted_by: ""
-    label_sort_higher: ""
-    label_sort_lower: ""
-    label_sorting: ""
-    label_spent_time: ""
-    label_star_query: ""
-    label_press_enter_to_save: ""
-    label_public_query: ""
-    label_sum: ""
-    label_sum_for: ""
-    label_total_sum: ""
-    label_subject: ""
-    label_this_week: ""
-    label_today: ""
-    label_time_entry_plural: ""
-    label_up: ""
-    label_user_plural: ""
-    label_activity_show_only_comments: ""
-    label_activity_show_all: ""
-    label_total_progress: ""
-    label_total_amount: ""
-    label_updated_on: ""
-    label_value_derived_from_children: ""
-    label_children_derived_duration: ""
-    label_warning: ""
-    label_work_package: ""
-    label_work_package_parent: ""
-    label_work_package_plural: ""
-    label_watch: ""
-    label_watch_work_package: ""
-    label_watcher_added_successfully: ""
-    label_watcher_deleted_successfully: ""
-    label_work_package_details_you_are_here: ""
-    label_unwatch: ""
-    label_unwatch_work_package: ""
-    label_uploaded_by: ""
-    label_default_queries: ""
-    label_starred_queries: ""
-    label_global_queries: ""
-    label_custom_queries: ""
-    label_create_new_query: ""
-    label_columns: ""
-    label_attachments:
-    label_drop_files:
-    label_drop_files_hint:
-    label_drop_folders_hint:
-    label_add_attachments: ""
-    label_formattable_attachment_hint: ""
-    label_remove_file: ""
-    label_remove_watcher: ""
-    label_remove_all_files:
-    label_add_description: ""
-    label_upload_notification: ""
-    label_work_package_upload_notification: ""
-    label_wp_id_added_by: ""
-    label_files_to_upload: ""
-    label_rejected_files: ""
-    label_rejected_files_reason: ""
-    label_wait: ""
-    label_upload_counter: ""
-    label_validation_error: ""
-    label_version_plural: ""
-    label_view_has_changed: ""
+                The release contains various new features and improvements: <br> <ul class="%{list_styling_class}"> <li>Notification center: Reduce the number of mails you receive. Instead find and act upon all relevant notifications in one central place.</li> <li>All uploaded IFC files can now also be downloaded.</li> <li>The uploading and processing of IFC got faster and received better error messages.</li> <li>The <a href="https://github.com/opf/openproject-revit-add-in">OpenProject Revit Add-in</a> received many bug fixes.</li> </ul>
+    label_activate: "Aktivera"
+    label_add_column_after: "Lägg till kolumn efter"
+    label_add_column_before: "Lägg till kolumn före"
+    label_add_columns: "Lägg till kolumn"
+    label_add_comment: "Lägg till kommentar"
+    label_add_comment_title: "Kommentera och skriv @ för att meddela andra personer"
+    label_add_row_after: "Lägg till rad efter"
+    label_add_row_before: "Lägg till rad före"
+    label_add_selected_columns: "Lägga till markerade kolumner"
+    label_added_by: "lagts till av"
+    label_added_time_by: "Added by <a href=%{authorLink}>%{author}</a> at %{age}"
+    label_ago: "dagar sedan"
+    label_all: "alla"
+    label_all_work_packages: "alla arbetspaket"
+    label_and: "och"
+    label_ascending: "Stigande"
+    label_author: "Författare: %{user}"
+    label_avatar: "Profilbild"
+    label_between: "mellan"
+    label_board: "Tavla"
+    label_board_locked: "Låst"
+    label_board_plural: "Tavlor"
+    label_board_sticky: "Klistrad"
+    label_change: "Ändra"
+    label_create: "Skapa"
+    label_create_work_package: "Skapa nya arbetspaket"
+    label_created_by: "Skapad av"
+    label_date: "Datum"
+    label_date_with_format: "Ange %{date_attribute} med följande format: %{format}"
+    label_deactivate: "Deaktivera"
+    label_descending: "Fallande"
+    label_description: "Beskrivning"
+    label_details: "Detaljer"
+    label_display: "Visa"
+    label_cancel_comment: "Avbryt kommentar"
+    label_closed_work_packages: "stängt"
+    label_collapse: "Fäll ihop"
+    label_collapsed: "hopfällda"
+    label_collapse_all: "Fäll ihop alla"
+    label_comment: "Kommentar"
+    label_committed_at: "%{committed_revision_link} den %{date}"
+    label_committed_link: "lade till revision %{revision_identifier}"
+    label_contains: "innehåller"
+    label_created_on: "skapad den"
+    label_edit_comment: "Redigera kommentaren"
+    label_edit_status: "Redigera status för arbetspaketet"
+    label_email: "E-post"
+    label_equals: "är"
+    label_expand: "Expandera"
+    label_expanded: "expanderade"
+    label_expand_all: "Expandera alla"
+    label_expand_project_menu: "Expandera projektmenyn"
+    label_export: "Exportera"
+    label_export_preparing: "The export is being prepared and will be downloaded shortly."
+    label_filename: "Fil"
+    label_filesize: "Filstorlek"
+    label_general: "Allmänt"
+    label_global_roles: "Globala roller"
+    label_greater_or_equal: ">="
+    label_group: 'Grupp'
+    label_group_by: "Gruppera efter"
+    label_group_plural: "Grupper"
+    label_hide_attributes: "Visa mindre"
+    label_hide_column: "Dölj kolumn"
+    label_hide_project_menu: "Minimera projektmenyn"
+    label_in: "i"
+    label_in_less_than: "i mindre än"
+    label_in_more_than: "i mer än"
+    label_incoming_emails: "Inkommande E-post"
+    label_information_plural: "Information"
+    label_import: "Importera"
+    label_latest_activity: "Senaste aktivitet"
+    label_last_updated_on: "Senast uppdaterad den"
+    label_learn_more_link: "Lär dig mer"
+    label_less_or_equal: "<="
+    label_less_than_ago: "mindre än dagar sedan"
+    label_loading: "Laddar..."
+    label_mail_notification: "E-postaviseringar"
+    label_me: "mig"
+    label_meeting_agenda: "Agenda"
+    label_meeting_minutes: "Protokoll"
+    label_menu_collapse: "fäll ihop"
+    label_menu_expand: "expandera"
+    label_more_than_ago: "mer än dagar sedan"
+    label_next: "Nästa"
+    label_no_color: "Ingen färg"
+    label_no_data: "Ingen data att visa"
+    label_no_due_date: "no finish date"
+    label_no_start_date: "inget startdatum"
+    label_no_value: "Inget värde"
+    label_none: "inga"
+    label_not_contains: "innehåller inte"
+    label_not_equals: "är inte"
+    label_on: "på"
+    label_open_menu: "Öppna meny"
+    label_open_context_menu: "Öppna kontextmenyn"
+    label_open_work_packages: "öppna"
+    label_password: "Lösenord"
+    label_previous: "Föregående"
+    label_per_page: "Per sida:"
+    label_please_wait: "Vänligen vänta"
+    label_project_plural: "Projekt"
+    label_visibility_settings: "Synlighet inställningar"
+    label_quote_comment: "Citera denna kommentar"
+    label_recent: "Recent"
+    label_reset: "Återställ"
+    label_remove: "Ta bort"
+    label_remove_column: "Ta bort kolumn"
+    label_remove_columns: "Ta bort markerade kolumner"
+    label_remove_row: "Ta bort rad"
+    label_report: "Rapport"
+    label_repository_plural: "Versionsarkiv"
+    label_save_as: "Spara som"
+    label_select_watcher: "Välj en bevakare..."
+    label_selected_filter_list: "Valda filter"
+    label_show_attributes: "Visa alla attribut"
+    label_show_in_menu: "Visa vyn i menyn"
+    label_sort_by: "Sortera efter"
+    label_sorted_by: "sorterade efter"
+    label_sort_higher: "Flytta upp"
+    label_sort_lower: "Flytta ned"
+    label_sorting: "Sortering"
+    label_spent_time: "Förbrukad tid"
+    label_star_query: "Föredragen"
+    label_press_enter_to_save: "Tryck på enter för att spara."
+    label_public_query: "Offentlig"
+    label_sum: "Summa"
+    label_sum_for: "Summa för"
+    label_total_sum: "Total sum"
+    label_subject: "Ämne"
+    label_this_week: "denna vecka"
+    label_today: "Today"
+    label_time_entry_plural: "Förbrukad tid"
+    label_up: "Upp"
+    label_user_plural: "Användare"
+    label_activity_show_only_comments: "Visa aktiviteter med endast kommentarer"
+    label_activity_show_all: "Visa aktiviteter"
+    label_total_progress: "%{percent}% Totalt klart"
+    label_total_amount: "Totalt: %{amount}"
+    label_updated_on: "uppdaterad den"
+    label_value_derived_from_children: "(värde härrör från barn)"
+    label_children_derived_duration: "Work package's children derived duration"
+    label_warning: "Varning"
+    label_work_package: "Arbetspaket"
+    label_work_package_parent: "Parent work package"
+    label_work_package_plural: "Arbetspaket"
+    label_watch: "Bevaka"
+    label_watch_work_package: "Bevaka arbetspaket"
+    label_watcher_added_successfully: "Bevakare har lagts till!"
+    label_watcher_deleted_successfully: "Bevakare har tagits bort!"
+    label_work_package_details_you_are_here: "Du är på fliken %{tab} för %{type} %{subject}."
+    label_unwatch: "Sluta bevaka"
+    label_unwatch_work_package: "Sluta bevaka arbetspaket"
+    label_uploaded_by: "Uppladdad av"
+    label_default_queries: "Standardvyer"
+    label_starred_queries: "Favoritvyer"
+    label_global_queries: "Offentliga vyer"
+    label_custom_queries: "Privata vyer"
+    label_columns: "Kolumner"
+    label_attachments: Bilagor
+    label_drop_files: Släpp filer här
+    label_drop_files_hint: eller klicka för att lägga till filer
+    label_drop_folders_hint: Du kan inte ladda upp mappar som bilaga. Välj enstaka filer.
+    label_add_attachments: "Lägg till bilagor"
+    label_formattable_attachment_hint: "Bifoga och länka filer genom att släppa på fältet, eller klistra in från Urklipp."
+    label_remove_file: "Radera %{fileName}"
+    label_remove_watcher: "Ta bort bevakare %{name}"
+    label_remove_all_files: Ta bort alla filer
+    label_add_description: "Lägga till en beskrivning för %{file}"
+    label_upload_notification: "Laddar upp fil(er)..."
+    label_work_package_upload_notification: "Ladda upp filer för arbetspaket #%{id}: %{subject}"
+    label_wp_id_added_by: "#%{id} tillagd av %{author}"
+    label_files_to_upload: "Dessa filer kommer att laddas upp:"
+    label_rejected_files: "Dessa filer går inte att ladda upp:"
+    label_rejected_files_reason: "Dessa filer går inte att ladda upp eftersom deras storlek är större än %{maximumFilesize}"
+    label_wait: "Vänligen vänta för konfiguration..."
+    label_upload_counter: "%{done} av %{count} filer färdiga"
+    label_validation_error: "Arbetspaketet kunde inte sparas på grund av följande fel:"
+    label_version_plural: "Versioner"
+    label_view_has_changed: "Denna vy har osparade ändringar. Klicka för att spara dem."
     help_texts:
-      show_modal: ''
+      show_modal: 'Visa attribut hjälp textinmatning'
     onboarding:
       buttons:
-        skip: ''
-        next: ''
-        got_it: ''
+        skip: 'Hoppa över'
+        next: 'Nästa'
+        got_it: 'Jag fattar'
       steps:
-        help_menu: ''
-        members: ''
-        project_selection: ''
-        quick_add_button: ''
-        sidebar_arrow: ""
-        welcome: ''
-        wiki: ''
+        help_menu: 'The Help (?) menu provides <b>additional help resources</b>. Here you can find a user guide and helpful how-to videos and more. <br> Enjoy your work with OpenProject!'
+        members: 'Invite new <b>members</b> to join your project.'
+        project_selection: 'Please click on one of the demo projects that we have prepared. Demo data is currently only available in English. <br> The general <b>demo project</b> suits best for classical project management, while the <b>Scrum project</b> is better for agile project management.'
+        quick_add_button: 'Click on the plus (+) icon in the header navigation to <b>create a new project</b> or to <b>invite coworkers</b>.'
+        sidebar_arrow: "Use the return arrow in the top left corner to return to the project’s <b>main menu</b>."
+        welcome: 'Ta en tre minuters introduktionstur för att lära dig de <b>viktigaste funktionerna</b>. <br> Vi rekommenderar att du slutför stegen till slutet. Du kan starta om turen när som helst.'
+        wiki: 'Within the <b>wiki</b> you can document and share knowledge together with your team.'
         backlogs:
-          overview: ""
-          sprints: ""
-          task_board_arrow: ''
-          task_board_select: ''
-          task_board: ""
+          overview: "Manage your work in the <b>backlogs</b> view."
+          sprints: "On the right you have the product backlog and the bug backlog, on the left you have the respective sprints. Here you can create <b>epics, user stories, and bugs</b>, prioritize via drag & drop and add them to a sprint."
+          task_board_arrow: 'To see your <b>task board</b>, open the sprint drop-down...'
+          task_board_select: '...and select the <b>task board</b> entry.'
+          task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
-          overview: ''
-          lists: ''
-          add: ''
-          drag: ''
+          overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
+          add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
+          drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
-          toggler: ""
-          list: ''
-          full_view: ''
-          back_button: ''
-          create_button: ''
-          timeline_button: ''
-          timeline: ''
+          toggler: "Now let's have a look at the <b>work package</b> section, which gives you a more detailed view of your work."
+          list: 'This <b>work</b> package overview provides a list of all the work in your project, such as tasks, milestones, phases, and more. <br> Work packages can be created and edited directly from this view. To access the details of a particular work package, simply double-click its row.'
+          full_view: 'The <b>work package details</b> view provides all the relevant information pertaining to a given work package, such as its description, status, priority, activities, dependencies, and comments.'
+          back_button: 'Use the return arrow in the top left corner to exit and return to the work package list.'
+          create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
+          timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
+          timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
-      title: ""
-      no_unread: ""
+      title: "Notifications"
+      no_unread: "No unread notifications"
       reasons:
-        mentioned: ''
-        watched: ''
-        assigned: ''
-        responsible: ''
+        mentioned: 'mentioned'
+        watched: 'watched'
+        assigned: 'assigned'
+        responsible: 'accountable'
       facets:
-        unread: ''
-        all: ''
+        unread: 'Unread'
+        all: 'Alla'
       center:
         and_more_users:
-          one: ''
-          other: ''
+          one: 'and 1 other'
+          other: 'and %{count} others'
         no_results:
-          at_all: ''
-          with_current_filter: ''
-        mark_all_read: ''
-        mark_as_read: ''
-        text_update_date: ""
-        total_count_warning: ""
+          at_all: 'New notifications will appear here when there is activity that concerns you'
+          with_current_filter: 'There are no notifications in this view at the moment'
+        mark_all_read: 'Mark all as read'
+        mark_as_read: 'Mark as read'
+        text_update_date: "%{date} by"
+        total_count_warning: "Showing the %{newest_count} most recent notifications. %{more_count} more are not displayed."
         empty_state:
-          no_notification: ""
-          no_notification_with_current_filter: ""
-          no_selection: ""
+          no_notification: "Looks like you're all caught up."
+          no_notification_with_current_filter: "Change of involvement or go back to the Inbox to view notifications"
+          no_selection: "Click on a notification to view all activity details."
         new_notifications:
-          message: ''
-          link_text: ''
+          message: 'There are new notifications.'
+          link_text: 'Click here to load them'
       menu:
-        accountable: ''
-        assigned: ''
-        by_project: ''
-        by_reason: ''
-        inbox: ''
-        mentioned: ''
-        watching: ''
+        accountable: 'Huvudansvarig'
+        assigned: 'Assigned'
+        by_project: 'Unread by project'
+        by_reason: 'Involvement'
+        inbox: 'Inbox'
+        mentioned: '@mentioned'
+        watching: 'Watching'
       settings:
-        change_notification_settings: ''
-        title: ""
-        notify_me: ""
+        change_notification_settings: 'To view and change your notification settings, <a target="_blank" href="%{url}">click here</a>'
+        title: "Notification settings"
+        notify_me: "Notify me"
         reasons:
           mentioned:
-            title: ''
-            description: ''
+            title: 'I am @mentioned'
+            description: 'Receive a notification every time someone mentions me anywhere'
           involved:
-            title: ''
-            description: ''
-          watched: ''
-          work_package_commented: ''
-          work_package_created: ''
-          work_package_processed: ''
-          work_package_prioritized: ''
-          work_package_scheduled: ''
+            title: 'Assigned to me or accountable'
+            description: 'Receive notifications for all activities on work packages for which I am assignee or accountable'
+          watched: 'Updates on watched items'
+          work_package_commented: 'All new comments'
+          work_package_created: 'New work packages'
+          work_package_processed: 'All status changes'
+          work_package_prioritized: 'All priority changes'
+          work_package_scheduled: 'All date changes'
         global:
           immediately:
-            title: ''
-            description: ''
+            title: 'Notify me immediately'
+            description: 'These settings apply to all projects. You can create project-specific exceptions below.'
           delayed:
-            title: ''
-            description: ''
+            title: 'Also notify me for'
+            description: 'Receive notifications for these activities on work packages in all projects:'
         project_specific:
-          title: ''
-          description: ''
-          add: ''
-          already_selected: ''
-          remove: ''
+          title: 'Project-specific notification settings'
+          description: 'These project-specific settings override default settings above'
+          add: 'Add setting for project'
+          already_selected: 'This project is already selected'
+          remove: 'Remove project settings'
     password_confirmation:
-      field_description: ''
-      title: ''
+      field_description: 'Du behöver ange ditt lösenord för att bekräfta ändringen.'
+      title: 'Bekräfta ditt lösenord för att fortsätta'
     pagination:
-      no_other_page: ""
+      no_other_page: "Du befinner dig på den enda sidan."
       pages:
-        next: ""
-        previous: ""
+        next: "Fortsätt till nästa sida"
+        previous: "Bakåt till föregående sida"
     placeholders:
-      default: ''
-      subject: ''
-      selection: ''
-      relation_description: ''
+      default: '-'
+      subject: 'Ange ämne här'
+      selection: 'Välj'
+      relation_description: 'Klicka för att ange beskrivning för denna relation'
     project:
       required_outside_context: >
-
-      context: ''
-      work_package_belongs_to: ''
-      click_to_switch_context: ''
-      confirm_template_load: ''
-      use_template: ""
-      no_template_selected: ""
+        Välj ett projekt för att skapa arbetspaketet för att se alla attribut. Du kan bara välja projekt som har typen ovan aktiverad.
+      context: 'Projektsammanhang'
+      work_package_belongs_to: 'Detta arbetspaket tillhör projektet %{projectname}.'
+      click_to_switch_context: 'Öppna detta arbetspaket i det projektet.'
+      confirm_template_load: 'Switching the template will reload the page and you will lose all input to this form. Continue?'
+      use_template: "Use template"
+      no_template_selected: "(None)"
       copy:
-        copy_options: ""
+        copy_options: "Copy options"
       autocompleter:
-        label: ''
+        label: 'Automatisk komplettering av projekt'
     reminders:
       settings:
         daily:
-          add_time: ''
-          enable: ''
-          explanation: ''
-          no_time_zone: ''
-          time_label: ''
-          title: ''
+          add_time: 'Add time'
+          enable: 'Enable daily email reminders'
+          explanation: 'You will receive these reminders only for unread notifications and only at hours you specify. %{no_time_zone}'
+          no_time_zone: 'Until you configure a time zone for your account, the times will be interpreted to be in UTC.'
+          time_label: 'Time %{counter}:'
+          title: 'Send me daily email reminders for unread notifications'
         workdays:
-          title: ''
+          title: 'Receive email reminders on these days'
         immediate:
-          title: ''
-          mentioned: ''
+          title: 'Send me an email reminder'
+          mentioned: 'Immediately when someone @mentions me'
         alerts:
-          title: ''
+          title: 'Email alerts for other items (that are not work packages)'
           explanation: >
-
-          news_added: ''
-          news_commented: ''
-          document_added: ''
-          forum_messages: ''
-          wiki_page_added: ''
-          wiki_page_updated: ''
-          membership_added: ''
-          membership_updated: ''
-        title: ''
+            Notifications today are limited to work packages. You can choose to continue receiving email alerts for these events until they are included in notifications:
+          news_added: 'Nyheter tillagda'
+          news_commented: 'Comment on a news item'
+          document_added: 'Documents added'
+          forum_messages: 'New forum messages'
+          wiki_page_added: 'Wiki-sidan tillagd'
+          wiki_page_updated: 'Wiki-sidan uppdaterad'
+          membership_added: 'Membership added'
+          membership_updated: 'Membership updated'
+        title: 'Email reminders'
         pause:
-          label: ''
-          first_day: ''
-          last_day: ''
-    text_are_you_sure: ""
-    text_data_lost: ""
+          label: 'Temporarily pause daily email reminders'
+          first_day: 'First day'
+          last_day: 'Last day'
+    text_are_you_sure: "Är du säker?"
+    text_data_lost: "All entered data will be lost."
     types:
       attribute_groups:
-        error_duplicate_group_name: ""
-        error_no_table_configured: ""
-        reset_title: ""
+        error_duplicate_group_name: "Namnet %{group} används redan. Gruppnamn måste vara unika."
+        error_no_table_configured: "Konfigurera en tabell för %{group}."
+        reset_title: "Återställ formulärinställningarna"
         confirm_reset: >
-
-        upgrade_to_ee: ""
-        upgrade_to_ee_text: ""
-        more_information: ""
-        nevermind: ""
+          Varning: Är du säker på att du vill återställa formulärinställningarna? Detta kommer att återställa attributen till deras standardgrupper, avmarkera kryssrutorna för synlighet samt inaktivera samtliga anpassade fält.
+        upgrade_to_ee: "Upgrade to Enterprise on-premises Edition"
+        upgrade_to_ee_text: "Wow! Om du behöver denna funktion så är du ett superproffs! Skulle du vilja stötta oss OpenSource-utvecklare genom att bli en Enterprise Edition-kund?"
+        more_information: "Mer information"
+        nevermind: "Det var inget"
       edit:
-        form_configuration: ""
-        projects: ""
-        settings: ""
+        form_configuration: "Ställ in formulär"
+        projects: "Projekt"
+        settings: "Inställningar"
     time_entry:
-      project: ''
-      work_package: ''
-      work_package_required: ''
-      activity: ''
-      comment: ''
-      duration: ''
-      spent_on: ''
-      hours: ''
-      title: ''
+      project: 'Projekt'
+      work_package: 'Arbetspaket'
+      work_package_required: 'Requires selecting a work package first.'
+      activity: 'Aktivitet'
+      comment: 'Kommentar'
+      duration: 'Varaktighet'
+      spent_on: 'Datum'
+      hours: 'Timmar'
+      title: 'Logga tid'
     two_factor_authentication:
-      label_two_factor_authentication: ''
+      label_two_factor_authentication: 'Tvåfaktorsautentisering'
     watchers:
-      label_loading:
-      label_error_loading:
-      label_search_watchers:
-      label_add:
-      label_discard:
-      typeahead_placeholder:
+      label_loading: laddar bevakare...
+      label_error_loading: Ett fel inträffade när bevakarna laddades
+      label_search_watchers: Sök bevakare
+      label_add: Lägg till bevakare
+      label_discard: Förkasta val
+      typeahead_placeholder: Sök efter möjliga bevakare
     relation_labels:
-      parent: ""
-      children: ""
-      relates: ""
-      duplicates: ""
-      duplicated: ""
-      blocks: ""
-      blocked: ""
-      precedes: ""
-      follows: ""
-      includes: ""
-      partof: ""
-      requires: ""
-      required: ""
-      relation_type: ""
+      parent: "Överordnad"
+      children: "Barn"
+      relates: "Relaterade till"
+      duplicates: "Dubbletter"
+      duplicated: "Duplicerad av"
+      blocks: "Block"
+      blocked: "Blockerad av"
+      precedes: "Föregår"
+      follows: "Följer"
+      includes: "Inkluderar"
+      partof: "Del av"
+      requires: "Kräver"
+      required: "Krävs av"
+      relation_type: "relationstyp"
     relations_hierarchy:
-      parent_headline: ""
-      hierarchy_headline: ""
-      children_headline: ""
+      parent_headline: "Överordnad"
+      hierarchy_headline: "Hierarchy"
+      children_headline: "Barn"
     relation_buttons:
-      set_parent: ""
-      change_parent: ""
-      remove_parent: ""
-      hierarchy_indent: ""
-      hierarchy_outdent: ""
-      group_by_wp_type: ""
-      group_by_relation_type: ""
-      add_parent: ""
-      add_new_child: ""
-      create_new: ""
-      add_existing: ""
-      add_existing_child: ""
-      remove_child: ""
-      add_new_relation: ""
-      add_existing_relation: ""
-      update_description: ""
-      toggle_description: ""
-      update_relation: ""
-      add_follower: ""
-      add_predecessor: ""
-      remove: ""
-      save: ""
-      abort: ""
+      set_parent: "Ange förälder"
+      change_parent: "Ändra överordnad"
+      remove_parent: "Ta bort förälder"
+      hierarchy_indent: "Öka indrag för hierarki"
+      hierarchy_outdent: "Minska indrag för hierarki"
+      group_by_wp_type: "Gruppera efter arbetspakettyp"
+      group_by_relation_type: "Gruppera efter relationstyp"
+      add_parent: "Lägga till befintlig förälder"
+      add_new_child: "Skapa nytt barn"
+      create_new: "Skapa ny"
+      add_existing: "Lägg till befintlig"
+      add_existing_child: "Lägg till befintligt barn"
+      remove_child: "Ta bort barn"
+      add_new_relation: "Skapa ny relation"
+      add_existing_relation: "Lägg till befintlig relation"
+      update_description: "Ange eller uppdatera beskrivningen av denna relation"
+      toggle_description: "Visa/dölj relationsbeskrivning"
+      update_relation: "Klicka för att ändra relationstypen"
+      add_follower: "Lägg till följare"
+      add_predecessor: "Lägg till föregångare"
+      remove: "Radera relation"
+      save: "Spara relation"
+      abort: "Avbryt"
     relations_autocomplete:
-      placeholder: ""
-      parent_placeholder: ""
+      placeholder: "Skriv för att söka"
+      parent_placeholder: "Välj ny förälder eller tryck på escape för att avbryta."
     autocompleter:
-      placeholder: ""
-      notFoundText: ""
-      typeToSearchText: ""
+      placeholder: "Skriv för att söka"
+      notFoundText: "No items found"
+      typeToSearchText: "Skriv för att söka"
     repositories:
-      select_tag: ''
-      select_branch: ''
-    field_value_enter_prompt: ""
-    project_menu_details: ""
+      select_tag: 'Välj etikett'
+      select_branch: 'Välj gren'
+    field_value_enter_prompt: "Ange ett värde för \"%{field}\""
+    project_menu_details: "Detaljer"
     scheduling:
-      manual: ''
-      automatic: ''
+      manual: 'Manual scheduling'
+      automatic: 'Automatic scheduling'
     sort:
-      sorted_asc: ''
-      sorted_dsc: ''
-      sorted_no: ''
-      sorting_disabled: ''
-      activate_asc: ''
-      activate_dsc: ''
-      activate_no: ''
-    text_work_packages_destroy_confirmation: ""
-    text_query_destroy_confirmation: ""
-    text_attachment_destroy_confirmation: ""
+      sorted_asc: 'Stigande sortering används, '
+      sorted_dsc: 'Fallande sortering används, '
+      sorted_no: 'Ingen sortering används, '
+      sorting_disabled: 'sortering är inaktiverad'
+      activate_asc: 'aktivera om du vill tillämpa stigande sortering'
+      activate_dsc: 'aktivera om du vill tillämpa fallande sortering'
+      activate_no: 'aktivera för att ta bort sortering'
+    text_work_packages_destroy_confirmation: "Är du säker du vill ta bort det valda arbetspaket(paketen)?"
+    text_query_destroy_confirmation: "Är du säker på att du vill ta bort den markerade vyn?"
+    text_attachment_destroy_confirmation: "Är du säker på att du vill ta bort denna bilaga?"
     timelines:
-      quarter_label: ''
-      gantt_chart: ''
+      quarter_label: 'Q%{quarter_number}'
+      gantt_chart: 'Gantt-schema'
       labels:
-        title: ''
-        bar: ''
-        left: ''
-        right: ''
-        farRight: ''
-        showNone: ''
+        title: 'Etikettsinställning'
+        bar: 'Bar etiketter'
+        left: 'Vänster'
+        right: 'Höger'
+        farRight: 'Längst till höger'
+        showNone: '-- Ingen etikett --'
         description: >
-
-      button_activate: ''
-      button_deactivate: ''
-      cancel:
-      change: ""
-      due_date: ""
-      empty: ""
-      error: ""
+          Välj de attribut som alltid ska visas i respektive position i Gantts-schemat. Observera att när du hovrar över ett element kommer dess datumetiketter att visas istället för dessa attribut.
+      button_activate: 'Visa Gantt-schema'
+      button_deactivate: 'Dölj Gantt-schema'
+      cancel: Avbryt
+      change: "Ändra i planeringen"
+      due_date: "Slutdatum"
+      empty: "(tom)"
+      error: "Ett fel har inträffat."
       errors:
-        not_implemented: ""
-        report_comparison: ""
-        report_epicfail: ""
-        report_timeout: ""
+        not_implemented: "Tidslinjen kan inte skapas eftersom den använder en funktion som inte har implementerats ännu."
+        report_comparison: "Tidslinjen kunde inte återge de konfigurerade jämförelserna. Kontrollera vänligen lämpligt avsnitt i konfiguration. Att återställa konfigurationen kan lösa detta problem."
+        report_epicfail: "Tidslinjen kunde inte hämtas på grund av ett oväntat fel."
+        report_timeout: "Tidslinjen kunde inte laddas på en rimlig tid."
       filter:
-        grouping_other: ""
-        noneSelection: ""
-      name: ""
-      outline: ""
+        grouping_other: "Andra"
+        noneSelection: "(ingen)"
+      name: "Namn"
+      outline: "Återställa disposition"
       outlines:
-        aggregation: ""
-        level1: ""
-        level2: ""
-        level3: ""
-        level4: ""
-        level5: ""
-        all: ""
-      project_status: ""
-      really_close_dialog: ""
-      responsible: ""
-      save:
-      start_date: ""
-      tooManyProjects: ""
+        aggregation: "Visa endast aggregeringar"
+        level1: "Expandera nivå 1"
+        level2: "Expandera nivå 2"
+        level3: "Expandera nivå 3"
+        level4: "Expandera nivå 4"
+        level5: "Expandera nivå 5"
+        all: "Visa alla"
+      project_status: "Projektstatus"
+      really_close_dialog: "Vill du verkligen stänga dialogrutan och förlora inmatad data?"
+      responsible: "Ansvarig"
+      save: Spara
+      start_date: "Startdatum"
+      tooManyProjects: "Mer än %{count} projekt. Var god och använd ett bättre filter!"
       selection_mode:
-        notification: ''
+        notification: 'Klicka på ett markerat arbetspaket för att skapa relationen. Tryck på escape för att avbryta.'
       zoom:
-        in: ""
-        out: ""
-        auto: ""
-        days: ""
-        weeks: ""
-        months: ""
-        quarters: ""
-        years: ""
-        slider: ""
+        in: "Zooma in"
+        out: "Zooma ut"
+        auto: "Autozoom"
+        days: "Dagar"
+        weeks: "Veckor"
+        months: "Månader"
+        quarters: "Kvartal"
+        years: "År"
+        slider: "Zoomreglaget"
         description: >
-
+          Välj den initiala zoomnivån som ska visas när autozoom inte är tillgänglig.
     tl_toolbar:
-      zooms: ""
-      outlines: ""
+      zooms: "Zoomnivå"
+      outlines: "Hierarkinivå"
     upsale:
-      ee_only: ''
+      ee_only: 'Funktionen finns endast i Enterprise Edition'
     wiki_formatting:
-      strong: ""
-      italic: ""
-      underline: ""
-      deleted: ""
-      code: ""
-      heading1: ""
-      heading2: ""
-      heading3: ""
-      unordered_list: ""
-      ordered_list: ""
-      quote: ""
-      unquote: ""
-      preformatted_text: ""
-      wiki_link: ""
-      image: ""
+      strong: "Fetstil"
+      italic: "Kursiv"
+      underline: "Understruken"
+      deleted: "Borttagna"
+      code: "Inline-källkod"
+      heading1: "Rubrik 1"
+      heading2: "Rubrik 2"
+      heading3: "Rubrik 3"
+      unordered_list: "Osorterad lista"
+      ordered_list: "Sorterad lista"
+      quote: "Citat"
+      unquote: "Slutcitat"
+      preformatted_text: "Förformaterad Text"
+      wiki_link: "Länka till en Wiki-sida"
+      image: "Bild"
     work_packages:
       bulk_actions:
-        move: ''
-        edit: ''
-        copy: ''
-        delete: ''
-      button_clear: ""
-      comment_added: ""
-      comment_send_failed: ""
-      comment_updated: ""
-      confirm_edit_cancel: ""
-      description_filter: ""
-      description_enter_text: ""
-      description_options_hide: ""
-      description_options_show: ""
-      edit_attribute: ""
-      key_value: ""
-      label_enable_multi_select: ""
-      label_disable_multi_select: ""
-      label_filter_add: ""
-      label_filter_by_text: ""
-      label_options: ""
-      label_column_multiselect: ""
-      message_error_during_bulk_delete:
-      message_successful_bulk_delete:
-      message_successful_show_in_fullscreen: ""
-      message_view_spent_time: ""
-      message_work_package_read_only: ""
-      message_work_package_status_blocked: ""
-      placeholder_filter_by_text: ""
+        move: 'Bulk-ändra projekt'
+        edit: 'Lägg till/Ändra'
+        copy: 'Bulkkopiera'
+        delete: 'Massborttagning'
+      button_clear: "Rensa"
+      comment_added: "Kommentaren lades till."
+      comment_send_failed: "Ett fel har inträffat. Kommentaren kunde inte läggas till."
+      comment_updated: "Kommentaren har uppdaterats."
+      confirm_edit_cancel: "Är du säker på att du vill avbryta redigeringen av arbetspaketet?"
+      description_filter: "Filter"
+      description_enter_text: "Ange text"
+      description_options_hide: "Dölj alternativ"
+      description_options_show: "Visa alternativ"
+      edit_attribute: "%{attribute} - Redigera"
+      key_value: "%{key}: %{value}"
+      label_enable_multi_select: "Aktivera multival"
+      label_disable_multi_select: "Inaktivera multival"
+      label_filter_add: "Lägg till filter"
+      label_filter_by_text: "Filtrera på text"
+      label_options: "Alternativ"
+      label_column_multiselect: "Kombinerade nedrullningsbara fält: Markera med piltangenterna, bekräfta val med RETUR, ta bort med BACKSTEG"
+      message_error_during_bulk_delete: Ett fel uppstod vid försök att ta bort arbetspaket.
+      message_successful_bulk_delete: Arbetspaket togs bort.
+      message_successful_show_in_fullscreen: "Klicka här för att öppna det här arbetspaketet i fullskärmsläge."
+      message_view_spent_time: "Visa loggad tid för detta arbetspaket"
+      message_work_package_read_only: "Arbetspaketet är låst i denna status. Inget annat attribut än status kan ändras."
+      message_work_package_status_blocked: "Status för arbetspaketet är inte skrivbar på grund av stängd status och stängd version tilldelas."
+      placeholder_filter_by_text: "Ämne, beskrivning, kommentarer, ..."
       inline_create:
-        title: ''
+        title: 'Klicka här för att lägga till ett nytt arbetspaket till listan'
       create:
-        title: ''
-        header: ''
-        header_no_type: ''
-        header_with_parent: ''
-        button: ''
+        title: 'Nytt arbetspaket'
+        header: 'Ny %{type}'
+        header_no_type: 'Nytt arbetspaket (typ har inte angetts än)'
+        header_with_parent: 'Ny %{type} (barn till %{parent_type} #%{id})'
+        button: 'Skapa'
       copy:
-        title: ''
+        title: 'Kopiera arbetspaket'
       hierarchy:
-        show: ""
-        hide: ""
-        toggle_button: ''
-        leaf: ''
-        children_collapsed: ''
-        children_expanded: ''
+        show: "Visa hierarkiläge"
+        hide: "Dölj hierarkiläge"
+        toggle_button: 'Klicka för att växla hierarkiläge.'
+        leaf: 'Arbetspaketsnod på nivå %{level}.'
+        children_collapsed: 'Hierarkinivå %{level} kollapsade. Klicka för att visa de filtrerade barnen'
+        children_expanded: 'Hierarkinivå %{level} expanderade. Klicka för att dölja de filtrerade barnen'
       faulty_query:
-        title:
-        description:
+        title: Arbetspaket kunde inte laddas.
+        description: Din vy är felaktig och kunde inte bearbetas.
       no_results:
-        title:
-        description:
-      limited_results:
+        title: Inga arbetspaket att visa.
+        description: Antingen finns det inga arbetspaket eller så har alla filtrerats bort.
+      limited_results: Only %{count} work packages can be shown in manual sorting mode. Please reduce the results by filtering, or switch to automatic sorting.
       property_groups:
-        details: ""
-        people: ""
-        estimatesAndTime: ""
-        other: ""
+        details: "Detaljer"
+        people: "Personer"
+        estimatesAndTime: "Uppskattningar & tid"
+        other: "Andra"
       properties:
-        assignee: ""
-        author: ""
-        createdAt: ""
-        description: ""
-        date: ""
-        dueDate: ""
-        estimatedTime: ""
-        spentTime: ""
-        category: ""
-        percentageDone: ""
-        priority: ""
-        projectName: ""
-        responsible: ""
-        startDate: ""
-        status: ""
-        subject: ""
-        subproject: ""
-        title: ""
-        type: ""
-        updatedAt: ""
-        versionName: ""
-        version: ""
+        assignee: "Tilldelad till"
+        author: "Upphovsman"
+        createdAt: "Skapat den"
+        description: "Beskrivning"
+        date: "Datum"
+        dueDate: "Slutdatum"
+        estimatedTime: "Beräknad tid"
+        spentTime: "Förbrukad tid"
+        category: "Kategori"
+        percentageDone: "Procent gjort"
+        priority: "Prioritet"
+        projectName: "Projekt"
+        responsible: "Ansvarig"
+        startDate: "Startdatum"
+        status: "Status"
+        subject: "Ämne"
+        subproject: "Delprojekt"
+        title: "Titel"
+        type: "Typ"
+        updatedAt: "Uppdaterat den"
+        versionName: "Version"
+        version: "Version"
       default_queries:
-        latest_activity: ""
-        created_by_me: ""
-        assigned_to_me: ""
-        recently_created: ""
-        all_open: ""
-        summary: ""
+        latest_activity: "Senaste aktivitet"
+        created_by_me: "Skapad av mig"
+        assigned_to_me: "Tilldelad till mig"
+        recently_created: "Nyligen skapade"
+        all_open: "Alla öppna"
+        summary: "Sammanfattning"
       jump_marks:
-        pagination: ""
-        label_pagination: ""
-        content: ""
-        label_content: ""
+        pagination: "Gå till sidnumrering för tabell"
+        label_pagination: "Klicka här för att hoppa arbetspaketets tabell och gå till sidnumrering"
+        content: "Gå till innehåll"
+        label_content: "Klicka här för att hoppa över menyn och gå till innehållet"
       placeholders:
-        default: ""
-        date: ""
-        formattable: ""
+        default: "-"
+        date: "Select date"
+        formattable: "%{name}: Klicka för att redigera..."
       query:
-        column_names: ""
-        group_by: ""
-        group: ""
-        group_by_disabled_by_hierarchy: ""
-        hierarchy_disabled_by_group_by: ""
-        sort_ascending: ""
-        sort_descending: ""
-        move_column_left: ""
-        move_column_right: ""
-        hide_column: ""
-        insert_columns: ""
-        filters: ""
-        display_sums: ""
-        confirm_edit_cancel: ""
-        click_to_edit_query_name: ""
-        rename_query_placeholder: ""
-        star_text: ""
+        column_names: "Kolumner"
+        group_by: "Gruppera resultat efter"
+        group: "Gruppera efter"
+        group_by_disabled_by_hierarchy: "Gruppering är inaktiverat när hierarkiläget är aktivt."
+        hierarchy_disabled_by_group_by: "Hierarkiläget är inaktiverat då resultaten är grupperade efter %{column}."
+        sort_ascending: "Sortera stigande"
+        sort_descending: "Sortera fallande"
+        move_column_left: "Flytta kolumnen till vänster"
+        move_column_right: "Flytta kolumnen till höger"
+        hide_column: "Dölj kolumn"
+        insert_columns: "Infoga kolumner..."
+        filters: "Filter"
+        display_sums: "Visa summor"
+        confirm_edit_cancel: "Är du säker på att du vill avbryta redigering av namnet på den här vyn? Titeln kommer att återställas till föregående värde."
+        click_to_edit_query_name: "Klicka för att redigera titeln på denna vy."
+        rename_query_placeholder: "Namn på denna vy"
+        star_text: "Markera denna vy som favorit och lägg till den sparade vyn sidofältet till vänster."
         public_text: >
-
+          Publicera den här vyn så att andra användare kan komma åt vyn. Användare med behörigheten "Hantera offentliga vyer" kan ändra eller ta bort offentlig fråga. Detta påverkar inte synligheten av arbetspaketet resultat i den vyn och beroende på deras behörigheter kan användare se olika resultat.
         errors:
-          unretrievable_query: ""
-          not_found: ""
-          duplicate_query_title: ""
-        text_no_results: ""
+          unretrievable_query: "Det gick inte att hämta vyn från URL"
+          not_found: "Det finns ingen sådan vy"
+          duplicate_query_title: "Namnet på denna vy finns redan. Ändra ändå?"
+        text_no_results: "Inga matchande vyer hittades."
       scheduling:
-        is_parent: ""
-        is_switched_from_manual_to_automatic: ""
+        is_parent: "The dates of this work package are automatically deduced from its children. Activate 'Manual scheduling' to set the dates."
+        is_switched_from_manual_to_automatic: "The dates of this work package may need to be recalculated after switching from manual to automatic scheduling due to relationships with other work packages."
       table:
-        configure_button: ''
-        summary: ""
-        text_inline_edit: ""
-        text_sort_hint: ""
-        text_select_hint: ""
+        configure_button: 'Konfigurera arbetspakets-tabell'
+        summary: "Tabell med ett arbetspaket för varje rad och kolumner för varje arbetspaketsattribut."
+        text_inline_edit: "Du kan klicka på de flesta celler i den här tabellen för att redigera attributens funktion."
+        text_sort_hint: "Med hjälp av länkarna i tabellrubrikerna kan du sortera, gruppera, ändra ordning, radera och lägga till kolumner."
+        text_select_hint: "Valda celler öppnas med 'ALT' och piltangenterna."
       table_configuration:
-        button: ''
-        choose_display_mode: ''
-        modal_title: ''
-        embedded_tab_disabled: ""
-        default: ""
-        display_settings: ''
-        default_mode: ""
-        hierarchy_mode: ""
-        hierarchy_hint: ""
-        display_sums_hint: ""
-        show_timeline_hint: ""
-        highlighting: ''
+        button: 'Konfigurera detta arbetspaket-tabell'
+        choose_display_mode: 'Visa arbetspaket som'
+        modal_title: 'Inställningar för arbetspaket-tabell'
+        embedded_tab_disabled: "Denna konfigurationsflik är inte tillgänglig för den inbyggda vyn du redigerar."
+        default: "standard"
+        display_settings: 'Skärminställningar'
+        default_mode: "Platt lista"
+        hierarchy_mode: "Hierarchy"
+        hierarchy_hint: "Alla filtrerade tabellresultat kommer att kompletteras med sina förfäder. Hierarkier kan utökas och kollapsas."
+        display_sums_hint: "Visa summor av alla sammanlagda attribut i en rad under tabellresultatet."
+        show_timeline_hint: "Visa ett interaktivt gantt-diagram på höger sida av tabellen. Du kan ändra dess bredd genom att dra delaren mellan tabellen och gantt-diagrammet."
+        highlighting: 'Markering'
         highlighting_mode:
-          description: ""
-          none: ""
-          inline: ''
-          inline_all: ''
-          entire_row_by: ''
-          status: ''
-          priority: ''
-          type: ''
+          description: "Markera med färg"
+          none: "Ingen markering"
+          inline: 'Markerade attribut'
+          inline_all: 'Alla attribut'
+          entire_row_by: 'Hel rad per'
+          status: 'Status'
+          priority: 'Prioritet'
+          type: 'Typ'
         sorting_mode:
-          description: ''
-          automatic: ''
-          manually: ''
-          warning: ''
-        columns_help_text: ""
+          description: 'Välj läge för att sortera dina arbetspaket:'
+          automatic: 'Automatisk'
+          manually: 'Manuellt'
+          warning: 'Du förlorar din tidigare sortering när du aktiverar det automatiska sorteringsläget.'
+        columns_help_text: "Use the input field above to add columns to your table view. You can drag and drop the columns to reorder them."
         upsale:
-          attribute_highlighting: ''
-          relation_columns: ''
-          check_out_link: ''
+          attribute_highlighting: 'Behöver vissa arbetspaket sticka ut från massan?'
+          relation_columns: 'Behöver du se relationer i listan på arbetspaket?'
+          check_out_link: 'Kolla in Enterprise Edition.'
         relation_filters:
-          filter_work_packages_by_relation_type: ''
+          filter_work_packages_by_relation_type: 'Filter work packages by relation type'
       tabs:
-        overview:
-        activity:
-        relations:
-        watchers:
-        attachments:
+        overview: Översikt
+        activity: Aktivitet
+        relations: Relationer
+        watchers: Bevakare
+        files: Filer
       time_relative:
-        days: ""
-        weeks: ""
-        months: ""
+        days: "dagar"
+        weeks: "veckor"
+        months: "månader"
     toolbar:
       settings:
-        configure_view: ""
-        columns: ""
-        sort_by: ""
-        group_by: ""
-        display_sums: ""
-        display_hierarchy: ""
-        hide_hierarchy: ""
-        hide_sums: ""
-        save: ""
-        save_as: ""
-        export: ""
-        visibility_settings: ""
-        page_settings: ""
-        delete: ""
-      filter: ""
-      unselected_title: ""
-      search_query_label: ""
-      search_query_title: ""
-      placeholder_query_title: ""
+        configure_view: "Konfigurera vy..."
+        columns: "Kolumner ..."
+        sort_by: "Sortera efter ..."
+        group_by: "Gruppera efter ..."
+        display_sums: "Visa summor"
+        display_hierarchy: "Visa hierarki"
+        hide_hierarchy: "Dölj hierarki"
+        hide_sums: "Dölj summor"
+        save: "Spara"
+        save_as: "Spara som ..."
+        export: "Exportera..."
+        visibility_settings: "Synlighetsinställningar..."
+        page_settings: "Byt namn på vyn ..."
+        delete: "Ta bort"
+      filter: "Filter"
+      unselected_title: "Arbetspaket"
+      search_query_label: "Sök sparade vyer"
+      search_query_title: "Klicka för att söka sparade vyer"
+      placeholder_query_title: "Ange en titel för den här vyn"
     modals:
-      label_settings: ""
-      label_name: ""
-      label_delete_page: ""
-      button_apply: ""
-      button_save: ""
-      button_submit: ""
-      button_cancel: ""
+      label_settings: "Byt namn på vyn"
+      label_name: "Namn"
+      label_delete_page: "Ta bort aktuell sida"
+      button_apply: "Tilldela"
+      button_save: "Spara"
+      button_submit: "Skicka"
+      button_cancel: "Avbryt"
       form_submit:
-        title: ''
-        text: ''
+        title: 'Bekräfta för att fortsätta'
+        text: 'Är du säker på att du vill utföra den här åtgärden?'
       destroy_work_package:
-        title: ""
-        text: ""
-        has_children: ""
-        confirm_deletion_children: ""
-        deletes_children: ""
+        title: "Bekräfta radering av %{label}"
+        text: "Är du säker på att du vill ta bort följande %{label}?"
+        has_children: "Arbetspaketet har %{childUnits}:"
+        confirm_deletion_children: "Jag bekräftar att allt underliggande till de listade arbetspaketen kommer att tas bort rekursivt."
+        deletes_children: "Alla barnarbetspaket och deras underliggande kommer också att raderas rekursivt."
       destroy_time_entry:
-        title: ""
-        text: ""
-    notice_no_results_to_display: ""
-    notice_successful_create: ""
-    notice_successful_delete: ""
-    notice_successful_update: ""
-    notice_job_started: ""
-    notice_bad_request: ""
+        title: "Confirm deletion of time entry"
+        text: "Are you sure you want to delete the following time entry?"
+    notice_no_results_to_display: "Inga synliga resultat att visa."
+    notice_successful_create: "Skapades utan problem."
+    notice_successful_delete: "Raderades utan problem."
+    notice_successful_update: "Uppdaterades utan problem."
+    notice_job_started: "job started."
+    notice_bad_request: "Felaktig förfrågan."
     relations:
-      empty:
-      remove:
+      empty: Inga samband finns
+      remove: Radera relation
     inplace:
-      button_edit: ""
-      button_save: ""
-      button_cancel: ""
-      button_save_all: ""
-      button_cancel_all: ""
-      link_formatting_help: ""
-      btn_preview_enable: ""
-      btn_preview_disable: ""
-      null_value_label: ""
-      clear_value_label: ""
+      button_edit: "%{attribute}: Redigera"
+      button_save: "%{attribute}: Spara"
+      button_cancel: "%{attribute}: Avbryt"
+      button_save_all: "Spara"
+      button_cancel_all: "Avbryt"
+      link_formatting_help: "Hjälp med textformatering"
+      btn_preview_enable: "Förhandsgranska"
+      btn_preview_disable: "Inaktivera förhandsgranskning"
+      null_value_label: "Inget värde"
+      clear_value_label: "-"
       errors:
-        required: ''
-        number: ''
-        maxlength: ''
-        minlength: ''
-        messages_on_field: ''
-    error_could_not_resolve_version_name: ""
-    error_could_not_resolve_user_name: ""
-    error_attachment_upload: ""
-    error_attachment_upload_permission: ""
+        required: '%{field} kan inte vara tomt'
+        number: '%{field} är inte ett giltigt tal'
+        maxlength: '%{field} kan inte innehålla mer än %{maxLength} siffra/siffror'
+        minlength: '%{field} kan inte innehålla mindre än %{minLength} siffra/siffror'
+        messages_on_field: 'Fältet är ogiltigt: %{messages}'
+    error_could_not_resolve_version_name: "Kunde inte fastställa versionsnamn"
+    error_could_not_resolve_user_name: "Kunde inte fastställa användarnamn"
+    error_attachment_upload: "Filen kunde inte laddas upp: %{error}"
+    error_attachment_upload_permission: "Du har inte rättigheter att ladda upp filer i den här resursen."
     units:
       workPackage:
-        one: ""
-        other: ""
+        one: "arbetspaket"
+        other: "arbetspaket"
       child_work_packages:
-        one: ""
-        other: ""
+        one: "ett barnarbetspaket"
+        other: "%{count} arbetspaket barn"
       hour:
-        one: ""
-        other: ""
-        zero: ""
+        one: "1 tim"
+        other: "%{count} timmar"
+        zero: "0 h"
     zen_mode:
-      button_activate: ''
-      button_deactivate: ''
+      button_activate: 'Aktivera zen-läge'
+      button_deactivate: 'Inaktivera avskalat läge'
     global_search:
-      all_projects: ""
-      search: ""
-      close_search: ""
-      current_project: ""
-      current_project_and_all_descendants: ""
+      all_projects: "I alla projekt"
+      search: "Sök"
+      close_search: "Stäng sökning"
+      current_project: "I detta projekt"
+      current_project_and_all_descendants: "I detta projekt + delprojekt"
       title:
-        all_projects: ""
-        project_and_subprojects: ""
-        search_for: ""
+        all_projects: "alla projekt"
+        project_and_subprojects: "och alla delprojekt"
+        search_for: "Sök efter"
     views:
-      card: ''
-      list: ''
-      timeline: ''
+      card: 'Kort'
+      list: 'Tabell'
+      timeline: 'Gantt-schema'
     invite_user_modal:
-      back: ''
-      invite: ''
+      back: 'Tillbaka'
+      invite: 'Invite'
       title:
-        invite: ''
-        invite_to_project: ''
-        User: ''
-        Group: ''
-        PlaceholderUser: ''
-        invite_principal_to_project: ''
+        invite: 'Bjud in användare'
+        invite_to_project: 'Invite %{type} to %{project}'
+        User: 'user'
+        Group: 'group'
+        PlaceholderUser: 'placeholder user'
+        invite_principal_to_project: 'Invite %{principal} to %{project}'
       project:
-        label: ''
-        required: ''
-        lacking_permission: ''
-        lacking_permission_info: ''
-        next_button: ''
-        no_results: ''
-        no_invite_rights: ''
+        label: 'Projekt'
+        required: 'Please select a project'
+        lacking_permission: 'Please select a different project since you lack permissions to assign users to the currently selected.'
+        lacking_permission_info: 'You lack the permission to assign users to the project you are currently in. You need to select a different one.'
+        next_button: 'Nästa'
+        no_results: 'No projects were found'
+        no_invite_rights: 'You are not allowed to invite members to this project'
       type:
-        required: ''
+        required: 'Please select the type to be invited'
         user:
-          title: ''
-          description: ''
+          title: 'Användare'
+          description: 'Permissions based on the assigned role in the selected project'
         group:
-          title: ''
-          description: ''
+          title: 'Grupp'
+          description: 'Permissions based on the assigned role in the selected project'
         placeholder:
-          title: ''
-          title_no_ee: ''
-          description: ''
-          description_no_ee: ''
+          title: 'Placeholder user'
+          title_no_ee: 'Placeholder user (Enterprise Edition only feature)'
+          description: 'Has no access to the project and no emails are sent out.'
+          description_no_ee: 'Has no access to the project and no emails are sent out. <br>Check out the <a href="%{eeHref}" target="_blank">Enterprise Edition</a>'
       principal:
         label:
-          name_or_email: ''
-          name: ''
-        already_member_message: ''
-        no_results_user: ''
-        invite_user: ''
-        no_results_placeholder: ''
-        create_new_placeholder: ''
-        no_results_group: ''
-        next_button: ''
+          name_or_email: 'Name or email address'
+          name: 'Namn'
+        already_member_message: 'Already a member of %{project}'
+        no_results_user: 'No users were found'
+        invite_user: 'Invite:'
+        no_results_placeholder: 'No placeholders were found'
+        create_new_placeholder: 'Create new placeholder:'
+        no_results_group: 'No groups were found'
+        next_button: 'Nästa'
         required:
-          user: ''
-          placeholder: ''
-          group: ''
+          user: 'Please select a user'
+          placeholder: 'Please select a placeholder'
+          group: 'Please select a group'
       role:
-        label: ''
-        no_roles_found: ''
-        description: ''
-        required: ''
-        next_button: ''
+        label: 'Role in %{project}'
+        no_roles_found: 'No roles were found'
+        description: 'This is the role that %{principal} will receive when they join your project. The role defines which actions they are allowed to take and which information they are allowed to see. <a href="https://docs.openproject.org/system-admin-guide/users-permissions/roles-permissions/#roles-and-permissions" target="_blank"> Learn more about roles and permissions. </a>'
+        required: 'Please select a role'
+        next_button: 'Nästa'
       message:
-        label: ''
-        description: ''
-        next_button: ''
+        label: 'Invitation message'
+        description: 'We will send an email to %{principal}, to which you can add a personal message here. An explanation for the invitation could be useful, or perhaps a bit of information regarding the project to help them get started.'
+        next_button: 'Review invitation'
       summary:
-        next_button: ''
+        next_button: 'Skicka inbjudan'
       success:
-        title: ''
+        title: '%{principal} was invited!'
         description:
-          user: ''
-          placeholder: ''
-          group: ''
-        next_button: ''
+          user: 'The user can now log in to access %{project}. Meanwhile you can already plan with that user and assign work packages for instance.'
+          placeholder: 'The placeholder can now be used in %{project}. Meanwhile you can already plan with that user and assign work packages for instance.'
+          group: 'The group is now a part of %{project}. Meanwhile you can already plan with that group and assign work packages for instance.'
+        next_button: 'Fortsätt'
     include_projects:
-      toggle_title: ''
-      title: ''
-      clear_selection: ''
-      apply: ''
+      toggle_title: 'Include Projects'
+      title: 'Projekt'
+      clear_selection: 'Clear selection'
+      apply: 'Tilldela'
       selected_filter:
-        all: ''
-        selected: ''
-      search_placeholder: ''
+        all: 'Alla projekt'
+        selected: 'Only selected'
+      search_placeholder: 'Search project...'
     forms:
-      submit_success_message: ''
-      load_error_message: ''
-      validation_error_message: ''
-      advanced_settings: ''
+      submit_success_message: 'The form was successfully submitted'
+      load_error_message: 'There was an error loading the form'
+      validation_error_message: 'Please fix the errors present in the form'
+      advanced_settings: 'Avancerade inställningar'
+    spot:
+      filter_chip:
+        remove: 'Ta bort'
+      drop_modal:
+        Close: 'Stäng'
diff --git a/config/locales/crowdin/js-th.yml b/config/locales/crowdin/js-th.yml
index b599741a25..5c0dad2181 100644
--- a/config/locales/crowdin/js-th.yml
+++ b/config/locales/crowdin/js-th.yml
@@ -22,1148 +22,1161 @@
 th:
   js:
     ajax:
-      hide: ""
-      loading: ""
+      hide: "ซ่อน"
+      loading: "กำลังโหลด..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
-
+        ลากมาฟิลด์เพื่อแก้ไขรูปภาพหรือเอกสารแนบอ้างอิง, ฟิลด์ตัวแก้ไขที่ถูกปิดจะเปิดขึ้นในขณะที่คุณทำการลากต่อไป
     autocomplete_select:
       placeholder:
-        multi: ""
-        single: ""
-      remove: ""
-      active: ""
+        multi: "เพิ่ม \"%{name}\""
+        single: "เลือก \"%{name}\""
+      remove: "ลบ %{name}"
+      active: "ใช้งาน %{label} %{name}"
     backup:
-      attachments_disabled:
+      attachments_disabled: ไม่สามารถรวมไฟล์แนบได้เนื่องจากเกินขนาดโดยรวมสูงสุดที่อนุญาต คุณสามารถเปลี่ยนค่านี้ได้ผ่านการกำหนดค่า (ต้องรีสตาร์ทเซิร์ฟเวอร์) 
       info: >
-
+        คุณสามารถเรียกใช้การสำรองข้อมูลได้ที่นี่ กระบวนการนี้อาจใช้เวลาสักครู่ขึ้นอยู่กับปริมาณข้อมูล (โดยเฉพาะไฟล์แนบ) ที่คุณมี คุณจะได้รับอีเมลเมื่อพร้อม
       note: >
-
-      last_backup:
-      last_backup_from:
-      title:
-      options:
-      include_attachments:
-      download_backup:
-      request_backup:
-    close_popup_title: ""
-    close_filter_title: ""
-    close_form_title: ""
-    button_add_watcher: ""
-    button_add: ""
-    button_back: ""
-    button_back_to_list_view: ""
-    button_cancel: ""
-    button_close: ""
-    button_change_project: ""
-    button_check_all: ""
-    button_configure-form: ""
-    button_confirm: ""
-    button_continue: ""
-    button_copy: ""
-    button_copy_to_other_project: ""
-    button_custom-fields: ""
-    button_delete: ""
-    button_delete_watcher: ""
-    button_details_view: ""
-    button_duplicate: ""
-    button_edit: ""
-    button_filter: ""
-    button_collapse_all: ""
-    button_expand_all: ""
-    button_advanced_filter: ""
-    button_list_view: ""
-    button_show_view: ""
-    button_log_time: ""
-    button_more: ""
-    button_open_details: ""
-    button_close_details: ""
-    button_open_fullscreen: ""
-    button_show_cards: ""
-    button_show_list: ""
-    button_quote: ""
-    button_save: ""
-    button_settings: ""
-    button_uncheck_all: ""
-    button_update: ""
-    button_export-pdf: ""
-    button_export-atom: ""
-    button_create: ""
+        ข้อมูลสำรองใหม่จะแทนที่ข้อมูลสำรองก่อนหน้า สามารถขอสำรองข้อมูลได้จำนวนจำกัดต่อวันเท่านั้น
+      last_backup: สำรองข้อมูลล่าสุด
+      last_backup_from: ข้อมูลสำรองล่าสุดจาก
+      title: สำรองข้อมูล OpenProject
+      options: ตัวเลือก
+      include_attachments: รวมไฟล์แนบ
+      download_backup: ดาวน์โหลดข้อมูลการสำรอง
+      request_backup: ขอสำรองข้อมูล
+    close_popup_title: "ปิดป๊อปอัพ"
+    close_filter_title: "ปิดตัวกรอง"
+    close_form_title: "ปิดแบบฟอร์ม"
+    button_add_watcher: "เพิ่มผู้ดูข้อมูล"
+    button_add: "เพิ่ม"
+    button_back: "ย้อนกลับ"
+    button_back_to_list_view: "กลับไปยังรายการก่อนหน้า"
+    button_cancel: "ยกเลิก"
+    button_close: "Close"
+    button_change_project: "Change project"
+    button_check_all: "ทำเครื่องหมายทั้งหมด"
+    button_configure-form: "กำหนดค่าฟอร์ม"
+    button_confirm: "ยืนยัน"
+    button_continue: "Continue"
+    button_copy: "คัดลอก"
+    button_copy_to_other_project: "Copy to other project"
+    button_custom-fields: "ฟิลด์ที่กำหนดเอง"
+    button_delete: "ลบ"
+    button_delete_watcher: "ลบผู้ดูข้อมูล"
+    button_details_view: "ดูรายละเอียด"
+    button_duplicate: "ทำซ้ำ"
+    button_edit: "แก้ไข"
+    button_filter: "ตัวกรอง"
+    button_collapse_all: "ยุบทั้งหมด"
+    button_expand_all: "ขยายทั้งหมด"
+    button_advanced_filter: "ตัวกรองขั้นสูง"
+    button_list_view: "มุมมองรายการ"
+    button_show_view: "มุมมองแบบเต็มหน้าจอ"
+    button_log_time: "เวลาที่ถูกบันทึก"
+    button_more: "เพิ่มเติม"
+    button_open_details: "Open details view"
+    button_close_details: "Close details view"
+    button_open_fullscreen: "เปิดมุมมองเต็มหน้าจอ"
+    button_show_cards: "Show card view"
+    button_show_list: "Show list view"
+    button_quote: "อ้างถึง"
+    button_save: "บันทึก"
+    button_settings: "การตั้งค่า"
+    button_uncheck_all: "เอาเครื่องหมายออกทั้งหมด"
+    button_update: "ปรับปรุง"
+    button_export-pdf: "ดาวน์โหลดไฟล์ PDF"
+    button_export-atom: "ดาวน์โหลดไฟล์ Atom"
+    button_create: "สร้าง"
     card:
-      add_new: ''
+      add_new: 'Add new card'
       highlighting:
-        inline: ''
-        entire_card_by: ''
-      remove_from_list: ''
-    caption_rate_history: ""
+        inline: 'Highlight inline:'
+        entire_card_by: 'Entire card by'
+      remove_from_list: 'Remove card from list'
+    caption_rate_history: "Rate history"
     clipboard:
-      browser_error: ""
-      copied_successful: ""
+      browser_error: "เบราเซอร์ของคุณไม่รองรับการคัดลอกไปยังคลิปบอร์ด กรุณาคัดลอกข้อความที่เลือกด้วยตนเอง"
+      copied_successful: "Successfully copied to clipboard!"
     chart:
-      type: ''
-      axis_criteria: ''
-      modal_title: ''
+      type: 'Chart type'
+      axis_criteria: 'Axis criteria'
+      modal_title: 'Work package graph configuration'
       types:
-        line: ''
-        horizontal_bar: ''
-        bar: ''
-        pie: ''
-        doughnut: ''
-        radar: ''
-        polar_area: ''
+        line: 'Line'
+        horizontal_bar: 'Horizontal bar'
+        bar: 'Bar'
+        pie: 'Pie'
+        doughnut: 'Doughnut'
+        radar: 'Radar'
+        polar_area: 'Polar area'
       tabs:
-        graph_settings: ''
-        dataset: ''
+        graph_settings: 'ทั่วไป'
+        dataset: 'Dataset %{number}'
       errors:
-        could_not_load: ''
-    description_available_columns: ""
-    description_current_position: ""
-    description_select_work_package: ""
-    description_selected_columns: ""
-    description_subwork_package: ""
+        could_not_load: 'The data to display the graph could not be loaded. The necessary permissions may be lacking.'
+    description_available_columns: "คอลัมน์ที่มีอยู่"
+    description_current_position: "You are here: "
+    description_select_work_package: "เลือกแพ็คเกจงาน #%{id}"
+    description_selected_columns: "คอลัมน์ที่เลือก"
+    description_subwork_package: "แพ็คเกจงานย่อย #%{id}"
     editor:
-      preview: ''
-      source_code: ''
-      error_saving_failed: ''
-      ckeditor_error: ''
+      preview: 'สลับโหมดแสดงตัวอย่าง'
+      source_code: 'Toggle Markdown source mode'
+      error_saving_failed: 'การบันทึกเอกสารล้มเหลวด้วยข้อผิดพลาดต่อไปนี้: %{error}'
+      ckeditor_error: 'An error occurred within CKEditor'
       mode:
-        manual: ''
-        wysiwyg: ''
+        manual: 'Switch to Markdown source'
+        wysiwyg: 'Switch to WYSIWYG editor'
       macro:
-        error: ''
+        error: 'Cannot expand macro: %{message}'
         attribute_reference:
-          macro_help_tooltip: ''
-          not_found: ''
-          invalid_attribute: ""
+          macro_help_tooltip: 'This text segment is being dynamically rendered by a macro.'
+          not_found: 'Requested resource could not be found'
+          invalid_attribute: "The selected attribute '%{name}' does not exist."
         child_pages:
-          button: ''
-          include_parent: ''
-          text: ''
-          page: ''
-          this_page: ''
+          button: 'Links to child pages'
+          include_parent: 'Include parent'
+          text: '[Placeholder] Links to child pages of'
+          page: 'หน้าวิกิ'
+          this_page: 'this page'
           hint: |
-
+            Leave this field empty to list all child pages of the current page. If you want to reference a different page, provide its title or slug.
         code_block:
-          button: ''
-          title: ''
-          language: ''
-          language_hint: ''
+          button: 'Insert code snippet'
+          title: 'Insert / edit Code snippet'
+          language: 'Formatting language'
+          language_hint: 'Enter the formatting language that will be used for highlighting (if supported).'
         dropdown:
-          macros: ''
-          chose_macro: ''
-        toc: ''
-        toolbar_help: ''
+          macros: 'Macros'
+          chose_macro: 'Chose macro'
+        toc: 'Table of contents'
+        toolbar_help: 'Click to select widget and show the toolbar. Double-click to edit widget'
         wiki_page_include:
-          button: ''
-          text: ''
-          page: ''
-          not_set: ''
+          button: 'Include content of another wiki page'
+          text: '[Placeholder] Included wiki page of'
+          page: 'หน้าวิกิ'
+          not_set: '(Page not yet set)'
           hint: |
-
+            Include the content of another wiki page by specifying its title or slug.
+            You can include the wiki page of another project by separating them with a colon like the following example.
         work_package_button:
-          button: ''
-          type: ''
-          button_style: ''
-          button_style_hint: ''
-          without_type: ''
-          with_type: ''
+          button: 'Insert create work package button'
+          type: 'Work package type'
+          button_style: 'Use button style'
+          button_style_hint: 'Optional: Check to make macro appear as a button, not as a link.'
+          without_type: 'Create work package'
+          with_type: 'Create work package (Type: %{typename})'
         embedded_table:
-          button: ''
-          text: ''
+          button: 'Embed work package table'
+          text: '[Placeholder] Embedded work package table'
         embedded_calendar:
-          text: ''
+          text: '[Placeholder] Embedded calendar'
     admin:
       type_form:
-        custom_field: ''
-        inactive: ''
-        drag_to_activate: ""
-        add_group: ""
-        add_table: ""
-        edit_query: ''
-        new_group: ''
-        reset_to_defaults: ''
+        custom_field: 'ฟิลด์ที่กำหนดเอง'
+        inactive: 'Inactive'
+        drag_to_activate: "Drag fields from here to activate them"
+        add_group: "Add attribute group"
+        add_table: "Add table of related work packages"
+        edit_query: 'Edit query'
+        new_group: 'กลุ่มใหม่'
+        reset_to_defaults: 'Reset to defaults'
       enterprise:
-        text_reprieve_days_left: ""
-        text_expired: ""
+        text_reprieve_days_left: "%{days} days until end of grace period"
+        text_expired: "expired"
         trial:
-          confirmation: ""
+          confirmation: "Confirmation of email address"
           confirmation_info: >
-
+            We sent you an email on %{date} to %{email}. Please check your inbox and click the confirmation link provided to start your 14 days trial.
           form:
             general_consent: >
-
-            invalid_email: ""
-            label_company: ""
-            label_first_name: ""
-            label_last_name: ""
-            label_domain: ""
-            label_subscriber: ""
-            label_maximum_users: ""
-            label_starts_at: ""
-            label_expires_at: ""
-            receive_newsletter:
-            taken_domain:
-            taken_email:
-          email_not_received: ""
-          try_another_email: ""
-          next_steps: ""
-          resend_link: ""
-          resend_success: ""
-          resend_warning: ""
-          session_timeout: ""
-          status_label: ""
-          status_confirmed: ""
-          status_waiting: ""
-          test_ee: ""
-          quick_overview: ""
+              I agree with the <a target="_blank" href="%{link_terms}">terms of service</a> and the <a target="_blank" href="%{link_privacy}">privacy policy</a>.
+            invalid_email: "Invalid email address"
+            label_company: "Company"
+            label_first_name: "ชื่อ"
+            label_last_name: "นามสกุล"
+            label_domain: "Domain"
+            label_subscriber: "Subscriber"
+            label_maximum_users: "Maximum active users"
+            label_starts_at: "Starts at"
+            label_expires_at: "Expires at"
+            receive_newsletter: I want to receive the OpenProject <a target="_blank" href="%{link}">newsletter</a>.
+            taken_domain: There can only be one active trial per domain.
+            taken_email: Each user can only create one trial.
+          email_not_received: "You did not receive an email? You can resend the email with the link on the right."
+          try_another_email: "Or try it with another email address."
+          next_steps: "Next steps"
+          resend_link: "Resend"
+          resend_success: "Email has been resent. Please check your emails and click the confirmation link provided."
+          resend_warning: "Could not resend email."
+          session_timeout: "Your session timed out. Please try to reload the page or resend email."
+          status_label: "Status:"
+          status_confirmed: "confirmed"
+          status_waiting: "email sent - waiting for confirmation"
+          test_ee: "Test the Enterprise Edition 14 days for free"
+          quick_overview: "Get a quick overview of project management and team collaboration with OpenProject Enterprise Edition."
         upsale:
-          become_hero: ""
+          become_hero: "Become a hero!"
           benefits:
-            description: ""
-            high_security: ""
-            high_security_text: ""
-            installation: ""
-            installation_text: ""
-            premium_features: ""
-            premium_features_text: ""
-            professional_support: ""
-            professional_support_text: ""
-          button_start_trial: ""
-          button_book_now: ""
+            description: "ประโยชย์ของ Enterprise on-premises Edition มีอย่างไร? "
+            high_security: "Security features"
+            high_security_text: "Single sign on (SAML, OpenID Connect, CAS), two-factor authentication and automatic sync of LDAP groups."
+            installation: "Installation support"
+            installation_text: "Experienced software engineers guide you through the complete installation and setup process in your own infrastructure."
+            premium_features: "Premium features"
+            premium_features_text: "Agile boards, custom theme and logo, graphs, intelligent workflows with custom actions, full text search for work package attachments and multi-select custom fields."
+            professional_support: "Professional support"
+            professional_support_text: "Get reliable, high-touch support from senior support engineers with expert knowledge about running OpenProject in business-critical environments."
+          button_start_trial: "Start free trial"
+          button_book_now: "Book now"
           confidence: >
-
-          link_quote: ""
+            We deliver the confidence of a tested and supported enterprise-class project management software - with Open Source and an open mind.
+          link_quote: "Get a quote"
           text: >
-
-          unlimited: ""
-          you_contribute: ""
+            The OpenProject Enterprise Edition builds on top of the Community Edition. It includes premium features and professional support mainly aimed at organizations with more than 10 users that manage business critical projects with OpenProject.
+          unlimited: "Unlimited"
+          you_contribute: "Developers need to pay their bills, too. With the Enterprise Edition, you substantially contribute to this Open Source community effort."
     custom_actions:
       date:
-        specific: ''
-        current_date: ''
+        specific: 'on'
+        current_date: 'วันที่ปัจจุบัน'
     error:
-      internal: ""
-      cannot_save_changes_with_message: ""
-      query_saving: ""
-      embedded_table_loading: ""
-    enumeration_activities: ""
-    enumeration_doc_categories: ""
-    enumeration_work_package_priorities: ""
+      internal: "เกิดความผิดพลาดภายใน"
+      cannot_save_changes_with_message: "Cannot save your changes due to the following error: %{error}"
+      query_saving: "ไม่สามารถบันทึกแฟ้มได้"
+      embedded_table_loading: "The embedded view could not be loaded: %{message}"
+    enumeration_activities: "กิจกรรม (ติดตามการใชเวลา)"
+    enumeration_doc_categories: "Document categories"
+    enumeration_work_package_priorities: "ระดับความสำคัญของชุดภารกิจ"
     filter:
-      more_values_not_shown: ""
+      more_values_not_shown: "There are %{total} more results, search to filter results."
       description:
-        text_open_filter: ""
-        text_close_filter: ""
-      noneElement: ""
+        text_open_filter: "Open this filter with 'ALT' and arrow keys."
+        text_close_filter: "To select an entry leave the focus for example by pressing enter. To leave without filter select the first (empty) entry."
+      noneElement: "(ไม่มี)"
       time_zone_converted:
-        two_values: ""
-        only_start: ""
-        only_end: ""
-      value_spacer: ""
+        two_values: "%{from} - %{to} in your local time."
+        only_start: "From %{from} in your local time."
+        only_end: "Till %{to} in your local time."
+      value_spacer: "-"
       sorting:
         criteria:
-          one: ""
-          two: ""
-          three: ""
-      upsale_for_more: ""
-      upsale_link: ''
-    general_text_no: ""
-    general_text_yes: ""
-    general_text_No: ""
-    general_text_Yes: ""
+          one: "First sorting criteria"
+          two: "Second sorting criteria"
+          three: "Third sorting criteria"
+      upsale_for_more: "For more advanced filters, check out the"
+      upsale_link: 'Enterprise Edition.'
+    general_text_no: "ไม่ใช่"
+    general_text_yes: "ใช่"
+    general_text_No: "ไม่ใช่"
+    general_text_Yes: "ใช่"
     hal:
       error:
-        update_conflict_refresh: ""
-        edit_prohibited: ""
+        update_conflict_refresh: "Click here to refresh the resource and update to the newest version."
+        edit_prohibited: "Editing %{attribute} is blocked for this resource. Either this attribute is derived from relations (e.g, children) or otherwise not configurable."
         format:
-          date: ""
-        general: ""
+          date: "%{attribute} is no valid date - YYYY-MM-DD expected."
+        general: "An error has occurred."
     homescreen:
       blocks:
         new_features:
-          text_new_features: ""
-          learn_about: ""
+          text_new_features: "Read about new features and product updates."
+          learn_about: "Learn more about the new features"
           #Include the version to invalidate outdated translations in other locales.
           #Otherwise, e.g. chinese might still have the translations for 10.0 in the 12.0 release.
           '12_0':
             standard:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
+                The release contains various new features and improvements: <br> <ul class="%{list_styling_class}"> <li>With the new <b>in-app notifications</b> you receive all important updates directly in the application and don't get a flood of emails anymore.</li> <li>The new <b>notification center</b> shows all the changes, including intuitive filter options, e.g. by reason for notification or projects. It even allows editing directly in a split view.</li> <li>Improved <b>notification settings</b> allow to fine-tune for which actions and in which projects you want to receive a notification.</li> <li><b>Email reminders</b> can be configured to receive important updates via a daily email summary.</li> <li>The work package auto-completer for relations now also shows additional information (project name, status, ...) to easily identify the respective work package.</li> </ul>
             bim:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
-    label_activate: ""
-    label_add_column_after: ""
-    label_add_column_before: ""
-    label_add_columns: ""
-    label_add_comment: ""
-    label_add_comment_title: ""
-    label_add_row_after: ""
-    label_add_row_before: ""
-    label_add_selected_columns: ""
-    label_added_by: ""
-    label_added_time_by: ""
-    label_ago: ""
-    label_all: ""
-    label_all_work_packages: ""
-    label_and: ""
-    label_ascending: ""
-    label_author: ""
-    label_avatar: ""
-    label_between: ""
-    label_board: ""
-    label_board_locked: ""
-    label_board_plural: ""
-    label_board_sticky: ""
-    label_change: ""
-    label_create: ""
-    label_create_work_package: ""
-    label_created_by: ""
-    label_date: ""
-    label_date_with_format: ""
-    label_deactivate: ""
-    label_descending: ""
-    label_description: ""
-    label_details: ""
-    label_display: ""
-    label_cancel_comment: ""
-    label_closed_work_packages: ""
-    label_collapse: ""
-    label_collapsed: ""
-    label_collapse_all: ""
-    label_comment: ""
-    label_committed_at: ""
-    label_committed_link: ""
-    label_contains: ""
-    label_created_on: ""
-    label_edit_comment: ""
-    label_edit_status: ""
-    label_email: ""
-    label_equals: ""
-    label_expand: ""
-    label_expanded: ""
-    label_expand_all: ""
-    label_expand_project_menu: ""
-    label_export: ""
-    label_export_preparing: ""
-    label_filename: ""
-    label_filesize: ""
-    label_general: ""
-    label_global_roles: ""
-    label_greater_or_equal: ""
-    label_group: ''
-    label_group_by: ""
-    label_group_plural: ""
-    label_hide_attributes: ""
-    label_hide_column: ""
-    label_hide_project_menu: ""
-    label_in: ""
-    label_in_less_than: ""
-    label_in_more_than: ""
-    label_incoming_emails: ""
-    label_information_plural: ""
-    label_import: ""
-    label_latest_activity: ""
-    label_last_updated_on: ""
-    label_learn_more_link: ""
-    label_less_or_equal: ""
-    label_less_than_ago: ""
-    label_loading: ""
-    label_mail_notification: ""
-    label_me: ""
-    label_meeting_agenda: ""
-    label_meeting_minutes: ""
-    label_menu_collapse: ""
-    label_menu_expand: ""
-    label_more_than_ago: ""
-    label_next: ""
-    label_no_color: ""
-    label_no_data: ""
-    label_no_due_date: ""
-    label_no_start_date: ""
-    label_no_value: ""
-    label_none: ""
-    label_not_contains: ""
-    label_not_equals: ""
-    label_on: ""
-    label_open_menu: ""
-    label_open_context_menu: ""
-    label_open_work_packages: ""
-    label_password: ""
-    label_previous: ""
-    label_per_page: ""
-    label_please_wait: ""
-    label_project_plural: ""
-    label_visibility_settings: ""
-    label_quote_comment: ""
-    label_recent: ""
-    label_reset: ""
-    label_remove: ""
-    label_remove_column: ""
-    label_remove_columns: ""
-    label_remove_row: ""
-    label_report: ""
-    label_repository_plural: ""
-    label_save_as: ""
-    label_select_watcher: ""
-    label_selected_filter_list: ""
-    label_show_attributes: ""
-    label_show_in_menu: ""
-    label_sort_by: ""
-    label_sorted_by: ""
-    label_sort_higher: ""
-    label_sort_lower: ""
-    label_sorting: ""
-    label_spent_time: ""
-    label_star_query: ""
-    label_press_enter_to_save: ""
-    label_public_query: ""
-    label_sum: ""
-    label_sum_for: ""
-    label_total_sum: ""
-    label_subject: ""
-    label_this_week: ""
-    label_today: ""
-    label_time_entry_plural: ""
-    label_up: ""
-    label_user_plural: ""
-    label_activity_show_only_comments: ""
-    label_activity_show_all: ""
-    label_total_progress: ""
-    label_total_amount: ""
-    label_updated_on: ""
-    label_value_derived_from_children: ""
-    label_children_derived_duration: ""
-    label_warning: ""
-    label_work_package: ""
-    label_work_package_parent: ""
-    label_work_package_plural: ""
-    label_watch: ""
-    label_watch_work_package: ""
-    label_watcher_added_successfully: ""
-    label_watcher_deleted_successfully: ""
-    label_work_package_details_you_are_here: ""
-    label_unwatch: ""
-    label_unwatch_work_package: ""
-    label_uploaded_by: ""
-    label_default_queries: ""
-    label_starred_queries: ""
-    label_global_queries: ""
-    label_custom_queries: ""
-    label_create_new_query: ""
-    label_columns: ""
-    label_attachments:
-    label_drop_files:
-    label_drop_files_hint:
-    label_drop_folders_hint:
-    label_add_attachments: ""
-    label_formattable_attachment_hint: ""
-    label_remove_file: ""
-    label_remove_watcher: ""
-    label_remove_all_files:
-    label_add_description: ""
-    label_upload_notification: ""
-    label_work_package_upload_notification: ""
-    label_wp_id_added_by: ""
-    label_files_to_upload: ""
-    label_rejected_files: ""
-    label_rejected_files_reason: ""
-    label_wait: ""
-    label_upload_counter: ""
-    label_validation_error: ""
-    label_version_plural: ""
-    label_view_has_changed: ""
+                The release contains various new features and improvements: <br> <ul class="%{list_styling_class}"> <li>Notification center: Reduce the number of mails you receive. Instead find and act upon all relevant notifications in one central place.</li> <li>All uploaded IFC files can now also be downloaded.</li> <li>The uploading and processing of IFC got faster and received better error messages.</li> <li>The <a href="https://github.com/opf/openproject-revit-add-in">OpenProject Revit Add-in</a> received many bug fixes.</li> </ul>
+    label_activate: "เปิดใช้งาน"
+    label_add_column_after: "Add column after"
+    label_add_column_before: "Add column before"
+    label_add_columns: "Add columns"
+    label_add_comment: "เพิ่มความคิดเห็น"
+    label_add_comment_title: "Comment and type @ to notify other people"
+    label_add_row_after: "Add row after"
+    label_add_row_before: "Add row before"
+    label_add_selected_columns: "เพิ่มคอลัมน์ที่เลือก"
+    label_added_by: "เพิ่มโดย"
+    label_added_time_by: "Added by <a href=%{authorLink}>%{author}</a> at %{age}"
+    label_ago: "วันที่ผ่านมา"
+    label_all: "ทั้งหมด"
+    label_all_work_packages: "ชุดภารกิจทั้งหมด"
+    label_and: "และ"
+    label_ascending: "จากน้อยไปมาก"
+    label_author: "Author: %{user}"
+    label_avatar: "รูปโปรไฟล์"
+    label_between: "between"
+    label_board: "Board"
+    label_board_locked: "ล็อค"
+    label_board_plural: "Boards"
+    label_board_sticky: "ปักหมุด"
+    label_change: "เปลี่ยนแปลง"
+    label_create: "สร้าง"
+    label_create_work_package: "สร้างชุดภารกิจใหม่"
+    label_created_by: "Created by"
+    label_date: "วันที่"
+    label_date_with_format: "Enter the %{date_attribute} using the following format: %{format}"
+    label_deactivate: "ปิดใช้งาน"
+    label_descending: "มากไปน้อย"
+    label_description: "คำอธิบาย"
+    label_details: "รายละเอียด"
+    label_display: "การแสดงผล"
+    label_cancel_comment: "Cancel comment"
+    label_closed_work_packages: "ปิด"
+    label_collapse: "ยุบ"
+    label_collapsed: "ยุบ"
+    label_collapse_all: "ยุบทั้งหมด"
+    label_comment: "ความคิดเห็น"
+    label_committed_at: "%{committed_revision_link} at %{date}"
+    label_committed_link: "committed revision %{revision_identifier}"
+    label_contains: "ประกอบด้วย"
+    label_created_on: "created on"
+    label_edit_comment: "แก้ไขความคิดเห็นนี้"
+    label_edit_status: "Edit the status of the work package"
+    label_email: "อีเมล"
+    label_equals: "เป็น"
+    label_expand: "ขยาย"
+    label_expanded: "ขยาย"
+    label_expand_all: "ขยายทั้งหมด"
+    label_expand_project_menu: "Expand project menu"
+    label_export: "Export"
+    label_export_preparing: "The export is being prepared and will be downloaded shortly."
+    label_filename: "ไฟล์"
+    label_filesize: "ขนาด"
+    label_general: "ทั่วไป"
+    label_global_roles: "Global Roles"
+    label_greater_or_equal: ">="
+    label_group: 'กลุ่ม'
+    label_group_by: "Group by"
+    label_group_plural: "กลุ่ม"
+    label_hide_attributes: "Show less"
+    label_hide_column: "ซ่อนคอลัมน์"
+    label_hide_project_menu: "Collapse project menu"
+    label_in: "ใน"
+    label_in_less_than: "ในไม่เกิน"
+    label_in_more_than: "ในมากกว่า"
+    label_incoming_emails: "อีเมลขาเข้า"
+    label_information_plural: "ข้อมูล"
+    label_import: "Import"
+    label_latest_activity: "Latest activity"
+    label_last_updated_on: "แก้ไขล่าสุดเมื่อ"
+    label_learn_more_link: "เรียนรู้เพิ่มเติม"
+    label_less_or_equal: "<="
+    label_less_than_ago: "น้อยกว่าสามวันที่ผ่านมา"
+    label_loading: "กำลังโหลด..."
+    label_mail_notification: "อีเมล์แจ้งเตือน"
+    label_me: "ฉัน"
+    label_meeting_agenda: "Agenda"
+    label_meeting_minutes: "Minutes"
+    label_menu_collapse: "ยุบ"
+    label_menu_expand: "ขยาย"
+    label_more_than_ago: "มากกว่าวันที่ผ่านมา"
+    label_next: "ถัดไป"
+    label_no_color: "ไม่มีสี"
+    label_no_data: "ไม่มีข้อมูลให้แสดง"
+    label_no_due_date: "no finish date"
+    label_no_start_date: "ไม่มีวันเริ่มต้น"
+    label_no_value: "ไม่มีค่า"
+    label_none: "ไม่มี"
+    label_not_contains: "ไม่ประกอบด้วยการ"
+    label_not_equals: "ไม่"
+    label_on: "on"
+    label_open_menu: "เปิดเมนู"
+    label_open_context_menu: "Open context menu"
+    label_open_work_packages: "เปิด"
+    label_password: "รหัสผ่าน"
+    label_previous: "ก่อนหน้านี้"
+    label_per_page: "ต่อหน้า"
+    label_please_wait: "กรุณารอสักครู่"
+    label_project_plural: "โครงการ"
+    label_visibility_settings: "Visibility settings"
+    label_quote_comment: "Quote this comment"
+    label_recent: "Recent"
+    label_reset: "ตั้งค่าใหม่"
+    label_remove: "Remove"
+    label_remove_column: "Remove column"
+    label_remove_columns: "ลบคอลัมน์ที่เลือก"
+    label_remove_row: "Remove row"
+    label_report: "รายงาน"
+    label_repository_plural: "ที่เก็บ"
+    label_save_as: "บันทึกเป็น"
+    label_select_watcher: "เลือกผู้ดูข้อมูล..."
+    label_selected_filter_list: "ตัวกรองที่เลือก"
+    label_show_attributes: "Show all attributes"
+    label_show_in_menu: "Show view in menu"
+    label_sort_by: "เรียงลำดับโดย"
+    label_sorted_by: "เรียงลำดับตาม"
+    label_sort_higher: "เลื่อนขึ้น"
+    label_sort_lower: "เลื่อนลง"
+    label_sorting: "การเรียงลำดับ"
+    label_spent_time: "เวลาที่ใช้"
+    label_star_query: "Favored"
+    label_press_enter_to_save: "Press enter to save."
+    label_public_query: "สาธารณะ"
+    label_sum: "Sum"
+    label_sum_for: "ผลรวมสำหรับ"
+    label_total_sum: "Total sum"
+    label_subject: "หัวข้อ"
+    label_this_week: "สัปดาห์นี้"
+    label_today: "Today"
+    label_time_entry_plural: "เวลาที่ใช้"
+    label_up: "Up"
+    label_user_plural: "ผู้ใช้"
+    label_activity_show_only_comments: "Show activities with comments only"
+    label_activity_show_all: "Show all activities"
+    label_total_progress: "%{percent}% Total progress"
+    label_total_amount: "Total: %{amount}"
+    label_updated_on: "แก้ไขเมื่อ"
+    label_value_derived_from_children: "(value derived from children)"
+    label_children_derived_duration: "Work package's children derived duration"
+    label_warning: "Warning"
+    label_work_package: "ชุดภารกิจ"
+    label_work_package_parent: "Parent work package"
+    label_work_package_plural: "ชุดภารกิจ"
+    label_watch: "ดู"
+    label_watch_work_package: "Watch work package"
+    label_watcher_added_successfully: "เพิ่มผู้ดูข้อมูลเรียบร้อยแล้ว"
+    label_watcher_deleted_successfully: "ลบผู้ดูข้อมูลเรียบร้อยแล้ว"
+    label_work_package_details_you_are_here: "You're on the %{tab} tab for %{type} %{subject}."
+    label_unwatch: "ไม่เข้าชม"
+    label_unwatch_work_package: "Unwatch work package"
+    label_uploaded_by: "อัปโหลดโดย"
+    label_default_queries: "Default views"
+    label_starred_queries: "Favorite views"
+    label_global_queries: "Public views"
+    label_custom_queries: "Private views"
+    label_columns: "คอลัมน์"
+    label_attachments: ไฟล์แนบ
+    label_drop_files: วางไฟล์ที่นี่
+    label_drop_files_hint: หรือคลิกเพื่อเพิ่มไฟล์
+    label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
+    label_add_attachments: "เพิ่มไฟล์แนบ"
+    label_formattable_attachment_hint: "Attach and link files by dropping on this field, or pasting from the clipboard."
+    label_remove_file: "ลบ %{fileName}"
+    label_remove_watcher: "Remove watcher %{name}"
+    label_remove_all_files: ลบไฟล์ทั้งหมด
+    label_add_description: "เพิ่มคำอธิบายสำหรับ %{file}"
+    label_upload_notification: "Uploading files..."
+    label_work_package_upload_notification: "Uploading files for Work package #%{id}: %{subject}"
+    label_wp_id_added_by: "#%{id} added by %{author}"
+    label_files_to_upload: "These files will be uploaded:"
+    label_rejected_files: "These files cannot be uploaded:"
+    label_rejected_files_reason: "These files cannot be uploaded as their size is greater than %{maximumFilesize}"
+    label_wait: "Please wait for configuration..."
+    label_upload_counter: "%{done} of %{count} files finished"
+    label_validation_error: "The work package could not be saved due to the following errors:"
+    label_version_plural: "เวอร์ชั่น"
+    label_view_has_changed: "This view has unsaved changes. Click to save them."
     help_texts:
-      show_modal: ''
+      show_modal: 'Show attribute help text entry'
     onboarding:
       buttons:
-        skip: ''
-        next: ''
-        got_it: ''
+        skip: 'Skip'
+        next: 'ถัดไป'
+        got_it: 'Got it'
       steps:
-        help_menu: ''
-        members: ''
-        project_selection: ''
-        quick_add_button: ''
-        sidebar_arrow: ""
-        welcome: ''
-        wiki: ''
+        help_menu: 'The Help (?) menu provides <b>additional help resources</b>. Here you can find a user guide and helpful how-to videos and more. <br> Enjoy your work with OpenProject!'
+        members: 'Invite new <b>members</b> to join your project.'
+        project_selection: 'Please click on one of the demo projects that we have prepared. Demo data is currently only available in English. <br> The general <b>demo project</b> suits best for classical project management, while the <b>Scrum project</b> is better for agile project management.'
+        quick_add_button: 'Click on the plus (+) icon in the header navigation to <b>create a new project</b> or to <b>invite coworkers</b>.'
+        sidebar_arrow: "Use the return arrow in the top left corner to return to the project’s <b>main menu</b>."
+        welcome: 'Take a three minutes introduction tour to learn the most <b>important features</b>. <br> We recommend completing the steps until the end. You can restart the tour any time.'
+        wiki: 'Within the <b>wiki</b> you can document and share knowledge together with your team.'
         backlogs:
-          overview: ""
-          sprints: ""
-          task_board_arrow: ''
-          task_board_select: ''
-          task_board: ""
+          overview: "Manage your work in the <b>backlogs</b> view."
+          sprints: "On the right you have the product backlog and the bug backlog, on the left you have the respective sprints. Here you can create <b>epics, user stories, and bugs</b>, prioritize via drag & drop and add them to a sprint."
+          task_board_arrow: 'To see your <b>task board</b>, open the sprint drop-down...'
+          task_board_select: '...and select the <b>task board</b> entry.'
+          task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
-          overview: ''
-          lists: ''
-          add: ''
-          drag: ''
+          overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
+          add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
+          drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
-          toggler: ""
-          list: ''
-          full_view: ''
-          back_button: ''
-          create_button: ''
-          timeline_button: ''
-          timeline: ''
+          toggler: "Now let's have a look at the <b>work package</b> section, which gives you a more detailed view of your work."
+          list: 'This <b>work</b> package overview provides a list of all the work in your project, such as tasks, milestones, phases, and more. <br> Work packages can be created and edited directly from this view. To access the details of a particular work package, simply double-click its row.'
+          full_view: 'The <b>work package details</b> view provides all the relevant information pertaining to a given work package, such as its description, status, priority, activities, dependencies, and comments.'
+          back_button: 'Use the return arrow in the top left corner to exit and return to the work package list.'
+          create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
+          timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
+          timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
-      title: ""
-      no_unread: ""
+      title: "Notifications"
+      no_unread: "No unread notifications"
       reasons:
-        mentioned: ''
-        watched: ''
-        assigned: ''
-        responsible: ''
+        mentioned: 'mentioned'
+        watched: 'watched'
+        assigned: 'assigned'
+        responsible: 'accountable'
       facets:
-        unread: ''
-        all: ''
+        unread: 'Unread'
+        all: 'ทั้งหมด'
       center:
         and_more_users:
-          other: ''
+          other: 'and %{count} others'
         no_results:
-          at_all: ''
-          with_current_filter: ''
-        mark_all_read: ''
-        mark_as_read: ''
-        text_update_date: ""
-        total_count_warning: ""
+          at_all: 'New notifications will appear here when there is activity that concerns you'
+          with_current_filter: 'There are no notifications in this view at the moment'
+        mark_all_read: 'Mark all as read'
+        mark_as_read: 'Mark as read'
+        text_update_date: "%{date} by"
+        total_count_warning: "Showing the %{newest_count} most recent notifications. %{more_count} more are not displayed."
         empty_state:
-          no_notification: ""
-          no_notification_with_current_filter: ""
-          no_selection: ""
+          no_notification: "Looks like you're all caught up."
+          no_notification_with_current_filter: "Change of involvement or go back to the Inbox to view notifications"
+          no_selection: "Click on a notification to view all activity details."
         new_notifications:
-          message: ''
-          link_text: ''
+          message: 'There are new notifications.'
+          link_text: 'Click here to load them'
       menu:
-        accountable: ''
-        assigned: ''
-        by_project: ''
-        by_reason: ''
-        inbox: ''
-        mentioned: ''
-        watching: ''
+        accountable: 'Accountable'
+        assigned: 'Assigned'
+        by_project: 'Unread by project'
+        by_reason: 'Involvement'
+        inbox: 'Inbox'
+        mentioned: '@mentioned'
+        watching: 'Watching'
       settings:
-        change_notification_settings: ''
-        title: ""
-        notify_me: ""
+        change_notification_settings: 'To view and change your notification settings, <a target="_blank" href="%{url}">click here</a>'
+        title: "Notification settings"
+        notify_me: "Notify me"
         reasons:
           mentioned:
-            title: ''
-            description: ''
+            title: 'I am @mentioned'
+            description: 'Receive a notification every time someone mentions me anywhere'
           involved:
-            title: ''
-            description: ''
-          watched: ''
-          work_package_commented: ''
-          work_package_created: ''
-          work_package_processed: ''
-          work_package_prioritized: ''
-          work_package_scheduled: ''
+            title: 'Assigned to me or accountable'
+            description: 'Receive notifications for all activities on work packages for which I am assignee or accountable'
+          watched: 'Updates on watched items'
+          work_package_commented: 'All new comments'
+          work_package_created: 'New work packages'
+          work_package_processed: 'All status changes'
+          work_package_prioritized: 'All priority changes'
+          work_package_scheduled: 'All date changes'
         global:
           immediately:
-            title: ''
-            description: ''
+            title: 'Notify me immediately'
+            description: 'These settings apply to all projects. You can create project-specific exceptions below.'
           delayed:
-            title: ''
-            description: ''
+            title: 'Also notify me for'
+            description: 'Receive notifications for these activities on work packages in all projects:'
         project_specific:
-          title: ''
-          description: ''
-          add: ''
-          already_selected: ''
-          remove: ''
+          title: 'Project-specific notification settings'
+          description: 'These project-specific settings override default settings above'
+          add: 'Add setting for project'
+          already_selected: 'This project is already selected'
+          remove: 'Remove project settings'
     password_confirmation:
-      field_description: ''
-      title: ''
+      field_description: 'You need to enter your account password to confirm this change.'
+      title: 'Confirm your password to continue'
     pagination:
-      no_other_page: ""
+      no_other_page: "You are on the only page."
       pages:
-        next: ""
-        previous: ""
+        next: "Forward to the next page"
+        previous: "Back to the previous page"
     placeholders:
-      default: ''
-      subject: ''
-      selection: ''
-      relation_description: ''
+      default: '-'
+      subject: 'Enter subject here'
+      selection: 'โปรดเลือก'
+      relation_description: 'Click to add description for this relation'
     project:
       required_outside_context: >
-
-      context: ''
-      work_package_belongs_to: ''
-      click_to_switch_context: ''
-      confirm_template_load: ''
-      use_template: ""
-      no_template_selected: ""
+        Please choose a project to create the work package in to see all attributes. You can only select projects which have the type above activated.
+      context: 'Project context'
+      work_package_belongs_to: 'This work package belongs to project %{projectname}.'
+      click_to_switch_context: 'Open this work package in that project.'
+      confirm_template_load: 'Switching the template will reload the page and you will lose all input to this form. Continue?'
+      use_template: "Use template"
+      no_template_selected: "(ไม่มี)"
       copy:
-        copy_options: ""
+        copy_options: "ตัวเลือกการคัดลอก"
       autocompleter:
-        label: ''
+        label: 'Project autocompletion'
     reminders:
       settings:
         daily:
-          add_time: ''
-          enable: ''
-          explanation: ''
-          no_time_zone: ''
-          time_label: ''
-          title: ''
+          add_time: 'Add time'
+          enable: 'Enable daily email reminders'
+          explanation: 'You will receive these reminders only for unread notifications and only at hours you specify. %{no_time_zone}'
+          no_time_zone: 'Until you configure a time zone for your account, the times will be interpreted to be in UTC.'
+          time_label: 'Time %{counter}:'
+          title: 'Send me daily email reminders for unread notifications'
         workdays:
-          title: ''
+          title: 'Receive email reminders on these days'
         immediate:
-          title: ''
-          mentioned: ''
+          title: 'Send me an email reminder'
+          mentioned: 'Immediately when someone @mentions me'
         alerts:
-          title: ''
+          title: 'Email alerts for other items (that are not work packages)'
           explanation: >
-
-          news_added: ''
-          news_commented: ''
-          document_added: ''
-          forum_messages: ''
-          wiki_page_added: ''
-          wiki_page_updated: ''
-          membership_added: ''
-          membership_updated: ''
-        title: ''
+            Notifications today are limited to work packages. You can choose to continue receiving email alerts for these events until they are included in notifications:
+          news_added: 'เพิ่มข่าวแล้ว'
+          news_commented: 'Comment on a news item'
+          document_added: 'Documents added'
+          forum_messages: 'New forum messages'
+          wiki_page_added: 'เพิ่มหน้าวิกิแล้ว'
+          wiki_page_updated: 'ปรับปรุงหน้าวิกิแล้ว'
+          membership_added: 'Membership added'
+          membership_updated: 'Membership updated'
+        title: 'Email reminders'
         pause:
-          label: ''
-          first_day: ''
-          last_day: ''
-    text_are_you_sure: ""
-    text_data_lost: ""
+          label: 'Temporarily pause daily email reminders'
+          first_day: 'First day'
+          last_day: 'Last day'
+    text_are_you_sure: "คุณแน่ใจหรือไม่ ?"
+    text_data_lost: "All entered data will be lost."
     types:
       attribute_groups:
-        error_duplicate_group_name: ""
-        error_no_table_configured: ""
-        reset_title: ""
+        error_duplicate_group_name: "The name %{group} is used more than once. Group names must be unique."
+        error_no_table_configured: "Please configure a table for %{group}."
+        reset_title: "Reset form configuration"
         confirm_reset: >
-
-        upgrade_to_ee: ""
-        upgrade_to_ee_text: ""
-        more_information: ""
-        nevermind: ""
+          Warning: Are you sure you want to reset the form configuration? This will reset the attributes to their default group and disable ALL custom fields.
+        upgrade_to_ee: "อัปเกรดเป็น Enterprise on-premises Edition"
+        upgrade_to_ee_text: "Wow! If you need this feature you are a super pro! Would you mind supporting us OpenSource developers by becoming an Enterprise Edition client?"
+        more_information: "More information"
+        nevermind: "Nevermind"
       edit:
-        form_configuration: ""
-        projects: ""
-        settings: ""
+        form_configuration: "Form Configuration"
+        projects: "โครงการ"
+        settings: "การตั้งค่า"
     time_entry:
-      project: ''
-      work_package: ''
-      work_package_required: ''
-      activity: ''
-      comment: ''
-      duration: ''
-      spent_on: ''
-      hours: ''
-      title: ''
+      project: 'โครงการ'
+      work_package: 'ชุดภารกิจ'
+      work_package_required: 'Requires selecting a work package first.'
+      activity: 'กิจกรรม'
+      comment: 'ความคิดเห็น'
+      duration: 'ระยะเวลา'
+      spent_on: 'วันที่'
+      hours: 'ชั่วโมง'
+      title: 'เวลาที่ถูกบันทึก'
     two_factor_authentication:
-      label_two_factor_authentication: ''
+      label_two_factor_authentication: 'Two-factor authentication'
     watchers:
-      label_loading:
-      label_error_loading:
-      label_search_watchers:
-      label_add:
-      label_discard:
-      typeahead_placeholder:
+      label_loading: loading watchers...
+      label_error_loading: An error occurred while loading the watchers
+      label_search_watchers: Search watchers
+      label_add: เพิ่มผู้เฝ้าดู
+      label_discard: Discard selection
+      typeahead_placeholder: Search for possible watchers
     relation_labels:
-      parent: ""
-      children: ""
-      relates: ""
-      duplicates: ""
-      duplicated: ""
-      blocks: ""
-      blocked: ""
-      precedes: ""
-      follows: ""
-      includes: ""
-      partof: ""
-      requires: ""
-      required: ""
-      relation_type: ""
+      parent: "หัวข้อหลัก"
+      children: "Children"
+      relates: "ที่เกี่ยวข้องกับ"
+      duplicates: "Duplicates"
+      duplicated: "Duplicated by"
+      blocks: "บล็อก"
+      blocked: "Blocked by"
+      precedes: "Precedes"
+      follows: "Follows"
+      includes: "Includes"
+      partof: "Part of"
+      requires: "Requires"
+      required: "Required by"
+      relation_type: "relation type"
     relations_hierarchy:
-      parent_headline: ""
-      hierarchy_headline: ""
-      children_headline: ""
+      parent_headline: "หัวข้อหลัก"
+      hierarchy_headline: "Hierarchy"
+      children_headline: "Children"
     relation_buttons:
-      set_parent: ""
-      change_parent: ""
-      remove_parent: ""
-      hierarchy_indent: ""
-      hierarchy_outdent: ""
-      group_by_wp_type: ""
-      group_by_relation_type: ""
-      add_parent: ""
-      add_new_child: ""
-      create_new: ""
-      add_existing: ""
-      add_existing_child: ""
-      remove_child: ""
-      add_new_relation: ""
-      add_existing_relation: ""
-      update_description: ""
-      toggle_description: ""
-      update_relation: ""
-      add_follower: ""
-      add_predecessor: ""
-      remove: ""
-      save: ""
-      abort: ""
+      set_parent: "Set parent"
+      change_parent: "Change parent"
+      remove_parent: "Remove parent"
+      hierarchy_indent: "Indent hierarchy"
+      hierarchy_outdent: "Outdent hierarchy"
+      group_by_wp_type: "Group by work package type"
+      group_by_relation_type: "Group by relation type"
+      add_parent: "Add existing parent"
+      add_new_child: "Create new child"
+      create_new: "Create new"
+      add_existing: "Add existing"
+      add_existing_child: "Add existing child"
+      remove_child: "Remove child"
+      add_new_relation: "Create new relation"
+      add_existing_relation: "Add existing relation"
+      update_description: "Set or update description of this relation"
+      toggle_description: "Toggle relation description"
+      update_relation: "Click to change the relation type"
+      add_follower: "Add follower"
+      add_predecessor: "Add predecessor"
+      remove: "Remove relation"
+      save: "Save relation"
+      abort: "Abort"
     relations_autocomplete:
-      placeholder: ""
-      parent_placeholder: ""
+      placeholder: "Type to search"
+      parent_placeholder: "Choose new parent or press escape to cancel."
     autocompleter:
-      placeholder: ""
-      notFoundText: ""
-      typeToSearchText: ""
+      placeholder: "Type to search"
+      notFoundText: "ไม่พบรายการ "
+      typeToSearchText: "Type to search"
     repositories:
-      select_tag: ''
-      select_branch: ''
-    field_value_enter_prompt: ""
-    project_menu_details: ""
+      select_tag: 'Select tag'
+      select_branch: 'Select branch'
+    field_value_enter_prompt: "Enter a value for '%{field}'"
+    project_menu_details: "รายละเอียด"
     scheduling:
-      manual: ''
-      automatic: ''
+      manual: 'Manual scheduling'
+      automatic: 'Automatic scheduling'
     sort:
-      sorted_asc: ''
-      sorted_dsc: ''
-      sorted_no: ''
-      sorting_disabled: ''
-      activate_asc: ''
-      activate_dsc: ''
-      activate_no: ''
-    text_work_packages_destroy_confirmation: ""
-    text_query_destroy_confirmation: ""
-    text_attachment_destroy_confirmation: ""
+      sorted_asc: 'Ascending sort applied, '
+      sorted_dsc: 'Descending sort applied, '
+      sorted_no: 'No sort applied, '
+      sorting_disabled: 'sorting is disabled'
+      activate_asc: 'activate to apply an ascending sort'
+      activate_dsc: 'activate to apply a descending sort'
+      activate_no: 'activate to remove the sort'
+    text_work_packages_destroy_confirmation: "คุณแน่ใจหรือไม่ว่าจะลบชุดภารกิจที่เลือก ?"
+    text_query_destroy_confirmation: "Are you sure you want to delete the selected view?"
+    text_attachment_destroy_confirmation: "คุณแน่ใจหรือไม่ว่าจะไฟล์แนบ?"
     timelines:
-      quarter_label: ''
-      gantt_chart: ''
+      quarter_label: 'Q%{quarter_number}'
+      gantt_chart: 'Gantt chart'
       labels:
-        title: ''
-        bar: ''
-        left: ''
-        right: ''
-        farRight: ''
-        showNone: ''
+        title: 'Label configuration'
+        bar: 'Bar labels'
+        left: 'Left'
+        right: 'Right'
+        farRight: 'Far right'
+        showNone: '-- No label --'
         description: >
-
-      button_activate: ''
-      button_deactivate: ''
-      cancel:
-      change: ""
-      due_date: ""
-      empty: ""
-      error: ""
+          Select the attributes you want to be shown in the respective positions of the Gantt chart at all times. Note that when hovering an element, its date labels will be shown instead of these attributes.
+      button_activate: 'Show Gantt chart'
+      button_deactivate: 'Hide Gantt chart'
+      cancel: ยกเลิก
+      change: "การเปลี่ยนแปลงในการวางแผน"
+      due_date: "Finish date"
+      empty: "(ว่าง)"
+      error: "An error has occurred."
       errors:
-        not_implemented: ""
-        report_comparison: ""
-        report_epicfail: ""
-        report_timeout: ""
+        not_implemented: "ไม่สามารถร่างแผนภูมิเวลา (timeline) ได้เนื่องจากใช้คุณลักษณะที่ยังไม่ได้มีการนำมาใช้ในระบบ"
+        report_comparison: "แผนภูมิเวลาไม่สามารถร่างการเปรียบเทียบที่กำหนดไว้ กรุณาตรวจสอบส่วนต่างๆ ในการตั้งค่าให้เหมาะสม หรือลองรีเซตค่าใหม่เพื่อแก้ไขปัญหา"
+        report_epicfail: "พบข้อผิดพลาด ไม่สามารถโหลดแผนภูมิเวลา ได้"
+        report_timeout: "ไม่สามารถโหลดแผนภูมิเวลาในระยะเวลาที่เหมาะสมได้"
       filter:
-        grouping_other: ""
-        noneSelection: ""
-      name: ""
-      outline: ""
+        grouping_other: "อื่น ๆ"
+        noneSelection: "(ไม่มี)"
+      name: "ชื่อ"
+      outline: "ตั้งค่าโครงร่างใหม่"
       outlines:
-        aggregation: ""
-        level1: ""
-        level2: ""
-        level3: ""
-        level4: ""
-        level5: ""
-        all: ""
-      project_status: ""
-      really_close_dialog: ""
-      responsible: ""
-      save:
-      start_date: ""
-      tooManyProjects: ""
+        aggregation: "แสดงรวมเท่านั้น"
+        level1: "ขยายระดับ 1"
+        level2: "ขยายระดับ 2"
+        level3: "ขยายระดับ 3"
+        level4: "ขยายระดับ 4"
+        level5: "ขยายระดับ 5"
+        all: "แสดงทั้งหมด"
+      project_status: "สถานะของโครงการ"
+      really_close_dialog: "Do you really want to close the dialog and lose the entered data?"
+      responsible: "รับผิดชอบ"
+      save: บันทึก
+      start_date: "วันเริ่มต้น"
+      tooManyProjects: "พบมากกว่า %{count} โครงการ กรุณาใช้ตัวกรองที่ดีกว่านี้ !"
       selection_mode:
-        notification: ''
+        notification: 'Click on any highlighted work package to create the relation. Press escape to cancel.'
       zoom:
-        in: ""
-        out: ""
-        auto: ""
-        days: ""
-        weeks: ""
-        months: ""
-        quarters: ""
-        years: ""
-        slider: ""
+        in: "ขยาย"
+        out: "ซูมออก"
+        auto: "Auto zoom"
+        days: "วัน"
+        weeks: "สัปดาห์"
+        months: "เดือน"
+        quarters: "ไตรมาส"
+        years: "ปี"
+        slider: "ขยายแถบเลื่อน"
         description: >
-
+          Select the initial zoom level that should be shown when autozoom is not available.
     tl_toolbar:
-      zooms: ""
-      outlines: ""
+      zooms: "ระดับการย่อ/ขยาย"
+      outlines: "ระดับของ Hierarchy"
     upsale:
-      ee_only: ''
+      ee_only: 'Enterprise Edition only feature'
     wiki_formatting:
-      strong: ""
-      italic: ""
-      underline: ""
-      deleted: ""
-      code: ""
-      heading1: ""
-      heading2: ""
-      heading3: ""
-      unordered_list: ""
-      ordered_list: ""
-      quote: ""
-      unquote: ""
-      preformatted_text: ""
-      wiki_link: ""
-      image: ""
+      strong: "Strong"
+      italic: "ตัวเอียง"
+      underline: "ขีดเส้นใต้"
+      deleted: "Deleted"
+      code: "Inline Code"
+      heading1: "Heading 1"
+      heading2: "Heading 2"
+      heading3: "Heading 3"
+      unordered_list: "Unordered List"
+      ordered_list: "Ordered List"
+      quote: "อ้างถึง"
+      unquote: "Unquote"
+      preformatted_text: "Preformatted Text"
+      wiki_link: "Link to a Wiki page"
+      image: "รูปภาพ"
     work_packages:
       bulk_actions:
-        move: ''
-        edit: ''
-        copy: ''
-        delete: ''
-      button_clear: ""
-      comment_added: ""
-      comment_send_failed: ""
-      comment_updated: ""
-      confirm_edit_cancel: ""
-      description_filter: ""
-      description_enter_text: ""
-      description_options_hide: ""
-      description_options_show: ""
-      edit_attribute: ""
-      key_value: ""
-      label_enable_multi_select: ""
-      label_disable_multi_select: ""
-      label_filter_add: ""
-      label_filter_by_text: ""
-      label_options: ""
-      label_column_multiselect: ""
-      message_error_during_bulk_delete:
-      message_successful_bulk_delete:
-      message_successful_show_in_fullscreen: ""
-      message_view_spent_time: ""
-      message_work_package_read_only: ""
-      message_work_package_status_blocked: ""
-      placeholder_filter_by_text: ""
+        move: 'Bulk change of project'
+        edit: 'Bulk edit'
+        copy: 'Bulk copy'
+        delete: 'Bulk delete'
+      button_clear: "ล้างข้อมูล"
+      comment_added: "เพิ่มความคิดเห็นเรียบร้อยแล้ว"
+      comment_send_failed: "An error has occurred. Could not submit the comment."
+      comment_updated: "The comment was successfully updated."
+      confirm_edit_cancel: "คุณแน่ใจหรือไม่ว่าจะยกเลิกการแก้ไขชุดภารกิจ"
+      description_filter: "ตัวกรอง"
+      description_enter_text: "ป้อนข้อความ"
+      description_options_hide: "ซ่อนตัวเลือก"
+      description_options_show: "แสดงตัวเลือก"
+      edit_attribute: "%{attribute} - Edit"
+      key_value: "%{key}: %{value}"
+      label_enable_multi_select: "Enable multiselect"
+      label_disable_multi_select: "Disable multiselect"
+      label_filter_add: "เพิ่มตัวกรอง"
+      label_filter_by_text: "Filter by text"
+      label_options: "ตัวเลือก"
+      label_column_multiselect: "Combined dropdown field: Select with arrow keys, confirm selection with enter, delete with backspace"
+      message_error_during_bulk_delete: An error occurred while trying to delete work packages.
+      message_successful_bulk_delete: Successfully deleted work packages.
+      message_successful_show_in_fullscreen: "Click here to open this work package in fullscreen view."
+      message_view_spent_time: "Show spent time for this work package"
+      message_work_package_read_only: "Work package is locked in this status. No attribute other than status can be altered."
+      message_work_package_status_blocked: "Work package status is not writable due to closed status and closed version being assigned."
+      placeholder_filter_by_text: "Subject, description, comments, ..."
       inline_create:
-        title: ''
+        title: 'Click here to add a new work package to this list'
       create:
-        title: ''
-        header: ''
-        header_no_type: ''
-        header_with_parent: ''
-        button: ''
+        title: 'ชุดภารกิจใหม่'
+        header: 'New %{type}'
+        header_no_type: 'New work package (Type not yet set)'
+        header_with_parent: 'New %{type} (Child of %{parent_type} #%{id})'
+        button: 'สร้าง'
       copy:
-        title: ''
+        title: 'Copy work package'
       hierarchy:
-        show: ""
-        hide: ""
-        toggle_button: ''
-        leaf: ''
-        children_collapsed: ''
-        children_expanded: ''
+        show: "Show hierarchy mode"
+        hide: "Hide hierarchy mode"
+        toggle_button: 'Click to toggle hierarchy mode.'
+        leaf: 'Work package leaf at level %{level}.'
+        children_collapsed: 'Hierarchy level %{level}, collapsed. Click to show the filtered children'
+        children_expanded: 'Hierarchy level %{level}, expanded. Click to collapse the filtered children'
       faulty_query:
-        title:
-        description:
+        title: ไม่สามารถโหลดชุดภารกิจได้
+        description: Your view is erroneous and could not be processed.
       no_results:
-        title:
-        description:
-      limited_results:
+        title: No work packages to display.
+        description: Either none have been created or all work packages are filtered out.
+      limited_results: Only %{count} work packages can be shown in manual sorting mode. Please reduce the results by filtering, or switch to automatic sorting.
       property_groups:
-        details: ""
-        people: ""
-        estimatesAndTime: ""
-        other: ""
+        details: "รายละเอียด"
+        people: "People"
+        estimatesAndTime: "Estimates & Time"
+        other: "อื่น ๆ"
       properties:
-        assignee: ""
-        author: ""
-        createdAt: ""
-        description: ""
-        date: ""
-        dueDate: ""
-        estimatedTime: ""
-        spentTime: ""
-        category: ""
-        percentageDone: ""
-        priority: ""
-        projectName: ""
-        responsible: ""
-        startDate: ""
-        status: ""
-        subject: ""
-        subproject: ""
-        title: ""
-        type: ""
-        updatedAt: ""
-        versionName: ""
-        version: ""
+        assignee: "ผู้ได้รับมอบหมาย"
+        author: "ผู้เขียน"
+        createdAt: "สร้างเมื่อ"
+        description: "คำอธิบาย"
+        date: "วันที่"
+        dueDate: "Finish date"
+        estimatedTime: "ระยะเวลาโดยประมาณ"
+        spentTime: "เวลาที่ใช้"
+        category: "ประเภท"
+        percentageDone: "Percentage done"
+        priority: "ระดับความสำคัญ"
+        projectName: "โครงการ"
+        responsible: "รับผิดชอบ"
+        startDate: "วันเริ่มต้น"
+        status: "สถานะ"
+        subject: "หัวข้อ"
+        subproject: "โครงการย่อย"
+        title: "ชื่อเรื่อง"
+        type: "ประเภท"
+        updatedAt: "แก้ไขเมื่อ"
+        versionName: "เวอร์ชัน"
+        version: "เวอร์ชัน"
       default_queries:
-        latest_activity: ""
-        created_by_me: ""
-        assigned_to_me: ""
-        recently_created: ""
-        all_open: ""
-        summary: ""
+        latest_activity: "Latest activity"
+        created_by_me: "Created by me"
+        assigned_to_me: "Assigned to me"
+        recently_created: "Recently created"
+        all_open: "All open"
+        summary: "สรุป"
       jump_marks:
-        pagination: ""
-        label_pagination: ""
-        content: ""
-        label_content: ""
+        pagination: "Jump to table pagination"
+        label_pagination: "Click here to skip over the work packages table and go to pagination"
+        content: "Jump to content"
+        label_content: "Click here to skip over the menu and go to the content"
       placeholders:
-        default: ""
-        date: ""
-        formattable: ""
+        default: "-"
+        date: "Select date"
+        formattable: "%{name}: Click to edit..."
       query:
-        column_names: ""
-        group_by: ""
-        group: ""
-        group_by_disabled_by_hierarchy: ""
-        hierarchy_disabled_by_group_by: ""
-        sort_ascending: ""
-        sort_descending: ""
-        move_column_left: ""
-        move_column_right: ""
-        hide_column: ""
-        insert_columns: ""
-        filters: ""
-        display_sums: ""
-        confirm_edit_cancel: ""
-        click_to_edit_query_name: ""
-        rename_query_placeholder: ""
-        star_text: ""
+        column_names: "คอลัมน์"
+        group_by: "จัดกลุ่มผลลัพธ์โดย"
+        group: "Group by"
+        group_by_disabled_by_hierarchy: "Group by is disabled due to the hierarchy mode being active."
+        hierarchy_disabled_by_group_by: "Hierarchy mode is disabled due to results being grouped by %{column}."
+        sort_ascending: "Sort ascending"
+        sort_descending: "Sort descending"
+        move_column_left: "ย้ายคอลัมน์ไปทางซ้าย"
+        move_column_right: "ย้ายคอลัมน์ไปทางขวา"
+        hide_column: "ซ่อนคอลัมน์"
+        insert_columns: "แทรกคอลัมน์..."
+        filters: "ตัวกรอง"
+        display_sums: "แสดงยอดรวม"
+        confirm_edit_cancel: "Are you sure you want to cancel editing the name of this view? Title will be set back to previous value."
+        click_to_edit_query_name: "Click to edit title of this view."
+        rename_query_placeholder: "Name of this view"
+        star_text: "Mark this view as favorite and add to the saved views sidebar on the left."
         public_text: >
-
+          Publish this view, allowing other users to access your view. Users with the 'Manage public views' permission can modify or remove public query. This does not affect the visibility of work package results in that view and depending on their permissions, users may see different results.
         errors:
-          unretrievable_query: ""
-          not_found: ""
-          duplicate_query_title: ""
-        text_no_results: ""
+          unretrievable_query: "Unable to retrieve view from URL"
+          not_found: "There is no such view"
+          duplicate_query_title: "Name of this view already exists. Change anyway?"
+        text_no_results: "No matching views were found."
       scheduling:
-        is_parent: ""
-        is_switched_from_manual_to_automatic: ""
+        is_parent: "The dates of this work package are automatically deduced from its children. Activate 'Manual scheduling' to set the dates."
+        is_switched_from_manual_to_automatic: "The dates of this work package may need to be recalculated after switching from manual to automatic scheduling due to relationships with other work packages."
       table:
-        configure_button: ''
-        summary: ""
-        text_inline_edit: ""
-        text_sort_hint: ""
-        text_select_hint: ""
+        configure_button: 'Configure work package table'
+        summary: "Table with rows of work package and columns of work package attributes."
+        text_inline_edit: "Most cells of this table are buttons that activate inline-editing functionality of that attribute."
+        text_sort_hint: "With the links in the table headers you can sort, group, reorder, remove and add table columns."
+        text_select_hint: "Select boxes should be opened with 'ALT' and arrow keys."
       table_configuration:
-        button: ''
-        choose_display_mode: ''
-        modal_title: ''
-        embedded_tab_disabled: ""
-        default: ""
-        display_settings: ''
-        default_mode: ""
-        hierarchy_mode: ""
-        hierarchy_hint: ""
-        display_sums_hint: ""
-        show_timeline_hint: ""
-        highlighting: ''
+        button: 'Configure this work package table'
+        choose_display_mode: 'Display work packages as'
+        modal_title: 'Work package table configuration'
+        embedded_tab_disabled: "This configuration tab is not available for the embedded view you're editing."
+        default: "ค่าเริ่มต้น"
+        display_settings: 'Display settings'
+        default_mode: "Flat list"
+        hierarchy_mode: "Hierarchy"
+        hierarchy_hint: "All filtered table results will be augmented with their ancestors. Hierarchies can be expanded and collapsed."
+        display_sums_hint: "Display sums of all summable attributes in a row below the table results."
+        show_timeline_hint: "Show an interactive gantt chart on the right side of the table. You can change its width by dragging the divider between table and gantt chart."
+        highlighting: 'Highlighting'
         highlighting_mode:
-          description: ""
-          none: ""
-          inline: ''
-          inline_all: ''
-          entire_row_by: ''
-          status: ''
-          priority: ''
-          type: ''
+          description: "Highlight with color"
+          none: "No highlighting"
+          inline: 'Highlighted attribute(s)'
+          inline_all: 'All attributes'
+          entire_row_by: 'Entire row by'
+          status: 'สถานะ'
+          priority: 'ระดับความสำคัญ'
+          type: 'ประเภท'
         sorting_mode:
-          description: ''
-          automatic: ''
-          manually: ''
-          warning: ''
-        columns_help_text: ""
+          description: 'Chose the mode to sort your Work packages:'
+          automatic: 'Automatic'
+          manually: 'Manually'
+          warning: 'You will lose your previous sorting when activating the automatic sorting mode.'
+        columns_help_text: "Use the input field above to add columns to your table view. You can drag and drop the columns to reorder them."
         upsale:
-          attribute_highlighting: ''
-          relation_columns: ''
-          check_out_link: ''
+          attribute_highlighting: 'Need certain work packages to stand out from the mass?'
+          relation_columns: 'Need to see relations in the work package list?'
+          check_out_link: 'Check out the Enterprise Edition.'
         relation_filters:
-          filter_work_packages_by_relation_type: ''
+          filter_work_packages_by_relation_type: 'Filter work packages by relation type'
       tabs:
-        overview:
-        activity:
-        relations:
-        watchers:
-        attachments:
+        overview: ภาพรวม
+        activity: กิจกรรม
+        relations: Relations
+        watchers: ผู้เฝ้าดู
+        files: ไฟล์
       time_relative:
-        days: ""
-        weeks: ""
-        months: ""
+        days: "วัน"
+        weeks: "สัปดาห์"
+        months: "เดือน"
     toolbar:
       settings:
-        configure_view: ""
-        columns: ""
-        sort_by: ""
-        group_by: ""
-        display_sums: ""
-        display_hierarchy: ""
-        hide_hierarchy: ""
-        hide_sums: ""
-        save: ""
-        save_as: ""
-        export: ""
-        visibility_settings: ""
-        page_settings: ""
-        delete: ""
-      filter: ""
-      unselected_title: ""
-      search_query_label: ""
-      search_query_title: ""
-      placeholder_query_title: ""
+        configure_view: "Configure view ..."
+        columns: "คอลัมน์..."
+        sort_by: "Sort by ..."
+        group_by: "Group by ..."
+        display_sums: "Display sums"
+        display_hierarchy: "Display hierarchy"
+        hide_hierarchy: "Hide hierarchy"
+        hide_sums: "Hide sums"
+        save: "บันทึก"
+        save_as: "บันทึกเป็น..."
+        export: "Export ..."
+        visibility_settings: "Visibility settings ..."
+        page_settings: "Rename view ..."
+        delete: "ลบ"
+      filter: "ตัวกรอง"
+      unselected_title: "ชุดภารกิจ"
+      search_query_label: "Search saved views"
+      search_query_title: "Click to search saved views"
+      placeholder_query_title: "Set a title for this view"
     modals:
-      label_settings: ""
-      label_name: ""
-      label_delete_page: ""
-      button_apply: ""
-      button_save: ""
-      button_submit: ""
-      button_cancel: ""
+      label_settings: "Rename view"
+      label_name: "ชื่อ"
+      label_delete_page: "ลบหน้าปัจจุบัน"
+      button_apply: "นำไปใช้"
+      button_save: "บันทึก"
+      button_submit: "ส่งข้อมูล"
+      button_cancel: "ยกเลิก"
       form_submit:
-        title: ''
-        text: ''
+        title: 'Confirm to continue'
+        text: 'Are you sure you want to perform this action?'
       destroy_work_package:
-        title: ""
-        text: ""
-        has_children: ""
-        confirm_deletion_children: ""
-        deletes_children: ""
+        title: "Confirm deletion of %{label}"
+        text: "Are you sure you want to delete the following %{label} ?"
+        has_children: "The work package has %{childUnits}:"
+        confirm_deletion_children: "I acknowledge that ALL descendants of the listed work packages will be recursively removed."
+        deletes_children: "All child work packages and their descendants will also be recursively deleted."
       destroy_time_entry:
-        title: ""
-        text: ""
-    notice_no_results_to_display: ""
-    notice_successful_create: ""
-    notice_successful_delete: ""
-    notice_successful_update: ""
-    notice_job_started: ""
-    notice_bad_request: ""
+        title: "Confirm deletion of time entry"
+        text: "Are you sure you want to delete the following time entry?"
+    notice_no_results_to_display: "No visible results to display."
+    notice_successful_create: "สร้างเรียบร้อยแล้ว"
+    notice_successful_delete: "ลบเรียบร้อยแล้ว"
+    notice_successful_update: "ปรับปรุงข้อมูลเรียบร้อยแล้ว"
+    notice_job_started: "เรื่มงาน"
+    notice_bad_request: "คำขอไม่ถูกต้อง"
     relations:
-      empty:
-      remove:
+      empty: ไม่มีความสัมพันธ์
+      remove: Remove relation
     inplace:
-      button_edit: ""
-      button_save: ""
-      button_cancel: ""
-      button_save_all: ""
-      button_cancel_all: ""
-      link_formatting_help: ""
-      btn_preview_enable: ""
-      btn_preview_disable: ""
-      null_value_label: ""
-      clear_value_label: ""
+      button_edit: "%{attribute}: แก้ไข"
+      button_save: "%{attribute}: บันทึก"
+      button_cancel: "%{attribute}: ยกเลิก"
+      button_save_all: "บันทึก"
+      button_cancel_all: "ยกเลิก"
+      link_formatting_help: "Text formatting help"
+      btn_preview_enable: "แสดงตัวอย่าง"
+      btn_preview_disable: "ปิดใช้งานตัวอย่าง"
+      null_value_label: "ไม่มีค่า"
+      clear_value_label: "-"
       errors:
-        required: ''
-        number: ''
-        maxlength: ''
-        minlength: ''
-        messages_on_field: ''
-    error_could_not_resolve_version_name: ""
-    error_could_not_resolve_user_name: ""
-    error_attachment_upload: ""
-    error_attachment_upload_permission: ""
+        required: 'ฟิลด์ %{field} ต้องไม่ว่างเปล่า'
+        number: '%{field} ไม่ใช่หมายเลขที่ถูกต้อง'
+        maxlength: '%{field} cannot contain more than %{maxLength} digit(s)'
+        minlength: '%{field} cannot contain less than %{minLength} digit(s)'
+        messages_on_field: 'This field is invalid: %{messages}'
+    error_could_not_resolve_version_name: "ไม่สามารถแก้ไขเวอร์ชัน"
+    error_could_not_resolve_user_name: "ไม่สามารถแก้ไขชื่อผู้ใช้"
+    error_attachment_upload: "File failed to upload: %{error}"
+    error_attachment_upload_permission: "You don't have the permission to upload files on this resource."
     units:
       workPackage:
-        other: ""
+        other: "work packages"
       child_work_packages:
-        other: ""
+        other: "%{count} work package children"
       hour:
-        one: ""
-        other: ""
-        zero: ""
+        one: "1 h"
+        other: "%{count} h"
+        zero: "0 h"
     zen_mode:
-      button_activate: ''
-      button_deactivate: ''
+      button_activate: 'Activate zen mode'
+      button_deactivate: 'Deactivate zen mode'
     global_search:
-      all_projects: ""
-      search: ""
-      close_search: ""
-      current_project: ""
-      current_project_and_all_descendants: ""
+      all_projects: "In all projects"
+      search: "ค้นหา"
+      close_search: "Close search"
+      current_project: "In this project"
+      current_project_and_all_descendants: "In this project + subprojects"
       title:
-        all_projects: ""
-        project_and_subprojects: ""
-        search_for: ""
+        all_projects: "all projects"
+        project_and_subprojects: "and all subprojects"
+        search_for: "Search for"
     views:
-      card: ''
-      list: ''
-      timeline: ''
+      card: 'Cards'
+      list: 'Table'
+      timeline: 'Gantt'
     invite_user_modal:
-      back: ''
-      invite: ''
+      back: 'ย้อนกลับ'
+      invite: 'เชิญ'
       title:
-        invite: ''
-        invite_to_project: ''
-        User: ''
-        Group: ''
-        PlaceholderUser: ''
-        invite_principal_to_project: ''
+        invite: 'Invite user'
+        invite_to_project: 'เชิญ %{type} ไปที่ %{project} '
+        User: 'ผู้ใช้งาน'
+        Group: 'กลุ่ม'
+        PlaceholderUser: 'ผู้ใช้งาน Placeholder'
+        invite_principal_to_project: 'เชิญ %{principal} ไปที่ %{project}'
       project:
-        label: ''
-        required: ''
-        lacking_permission: ''
-        lacking_permission_info: ''
-        next_button: ''
-        no_results: ''
-        no_invite_rights: ''
+        label: 'โครงการ'
+        required: 'กรุณาเลือกโครงการ'
+        lacking_permission: 'โปรดเลือกโครงการอื่น เนื่องจากคุณไม่มีสิทธิ์มอบหมายผู้ใช้ให้กับโครงการที่เลือกในปัจจุบัน '
+        lacking_permission_info: 'คุณไม่มีสิทธิ์มอบหมายผู้ใช้ให้กับโครงการที่คุณอยู่ คุณต้องเลือกโครงการอื่น'
+        next_button: 'ถัดไป'
+        no_results: 'ไม่พบโครงการ'
+        no_invite_rights: 'คุณไม่ได้รับอนุญาตให้เชิญสมาชิกเข้าร่วมโครงการนี้ '
       type:
-        required: ''
+        required: 'กรุณาเลือกประเภทที่จะเชิญ'
         user:
-          title: ''
-          description: ''
+          title: 'ผู้ใช้'
+          description: 'สิทธิ์ตามบทบาทที่ได้รับมอบหมายในโครงการที่เลือก'
         group:
-          title: ''
-          description: ''
+          title: 'กลุ่ม'
+          description: 'สิทธิ์ตามบทบาทที่ได้รับมอบหมายในโครงการที่เลือก'
         placeholder:
-          title: ''
-          title_no_ee: ''
-          description: ''
-          description_no_ee: ''
+          title: 'Placeholder user'
+          title_no_ee: 'ผู้ใช้ตัวยึดตำแหน่ง (คุณลักษณะ Enterprise Edition เท่านั้น)'
+          description: 'ไม่มีสิทธิ์เข้าถึงโครงการและไม่มีการส่งอีเมล'
+          description_no_ee: 'ไม่มีสิทธิ์เข้าถึงโครงการและไม่มีการส่งอีเมล <br>ตรวจสอบ <a href="%{eeHref}" target="_blank">Enterprise Edition</a> '
       principal:
         label:
-          name_or_email: ''
-          name: ''
-        already_member_message: ''
-        no_results_user: ''
-        invite_user: ''
-        no_results_placeholder: ''
-        create_new_placeholder: ''
-        no_results_group: ''
-        next_button: ''
+          name_or_email: 'ชื่อหรือที่อยู่อีเมล'
+          name: 'ชื่อ'
+        already_member_message: 'เป็นสมาชิกของ %{project} แล้ว'
+        no_results_user: 'ไม่พบผู้ใช้'
+        invite_user: 'เชิญ:'
+        no_results_placeholder: 'ไม่พบตัวยึดตำแหน่ง'
+        create_new_placeholder: 'สร้างตัวยึดตำแหน่งใหม่:'
+        no_results_group: 'ไม่พบกลุ่ม'
+        next_button: 'ถัดไป'
         required:
-          user: ''
-          placeholder: ''
-          group: ''
+          user: 'กรุณาเลือกผู้ใช้'
+          placeholder: 'โปรดเลือกตัวยึดตำแหน่ง'
+          group: 'กรุณาเลือกกลุ่ม'
       role:
-        label: ''
-        no_roles_found: ''
-        description: ''
-        required: ''
-        next_button: ''
+        label: 'บทบาทใน %{project}'
+        no_roles_found: 'ไม่พบบทบาท'
+        description: 'นี่คือบทบาทที่ %{principal} จะได้รับเมื่อพวกเขาเข้าร่วมโครงการของคุณ บทบาทกำหนดการกระทำที่พวกเขาได้รับอนุญาตให้ทำและข้อมูลที่พวกเขาได้รับอนุญาตให้ดู <a href="https://docs.openproject.org/system-admin-guide/users-permissions/roles-permissions/#roles-and-permissions" target="_blank"> เรียนรู้เพิ่มเติมเกี่ยวกับบทบาทและการอนุญาต </a> '
+        required: 'กรุณาเลือกบทบาท'
+        next_button: 'ถัดไป'
       message:
-        label: ''
-        description: ''
-        next_button: ''
+        label: 'ข้อความเชิญ'
+        description: 'เราจะส่งอีเมลไปที่ %{principal} ซึ่งคุณสามารถเพิ่มข้อความส่วนตัวได้ที่นี่ คำอธิบายสำหรับคำเชิญอาจเป็นประโยชน์ หรืออาจเป็นข้อมูลเล็กน้อยเกี่ยวกับโครงการเพื่อช่วยพวกเขาในการเริ่มต้น '
+        next_button: 'ตรวจสอบคำเชิญ'
       summary:
-        next_button: ''
+        next_button: 'Send invitation'
       success:
-        title: ''
+        title: '%{principal} ได้รับคำเชิญแล้ว!'
         description:
-          user: ''
-          placeholder: ''
-          group: ''
-        next_button: ''
+          user: 'ขณะนี้ผู้ใช้สามารถเข้าสู่ระบบเพื่อเข้าถึง %{project}, คุณสามารถวางแผนกับผู้ใช้รายนั้นและกำหนดแพ็คเกจงานได้'
+          placeholder: 'ขณะนี้ Placeholder สามารถใช้งานใน %{project} ได้แล้ว, คุณสามารถวางแผนกับผู้ใช้รายนั้นและกำหนดแพ็คเกจงานได้'
+          group: 'ตอนนี้กลุ่มนี้เป็นส่วนหนึ่งของ %{project}, คุณสามารถวางแผนกับกลุ่มนั้นและกำหนดแพ็คเกจงานได้'
+        next_button: 'Continue'
     include_projects:
-      toggle_title: ''
-      title: ''
-      clear_selection: ''
-      apply: ''
+      toggle_title: 'Include Projects'
+      title: 'โครงการ'
+      clear_selection: 'Clear selection'
+      apply: 'นำไปใช้'
       selected_filter:
-        all: ''
-        selected: ''
-      search_placeholder: ''
+        all: 'All projects'
+        selected: 'Only selected'
+      search_placeholder: 'Search project...'
     forms:
-      submit_success_message: ''
-      load_error_message: ''
-      validation_error_message: ''
-      advanced_settings: ''
+      submit_success_message: 'ส่งแบบฟอร์มเรียบร้อยแล้ว'
+      load_error_message: 'เกิดข้อผิดพลาดในการโหลดแบบฟอร์ม'
+      validation_error_message: 'โปรดแก้ไขข้อผิดพลาดที่มีอยู่ในแบบฟอร์ม'
+      advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/locales/crowdin/js-tr.yml b/config/locales/crowdin/js-tr.yml
index 7ab53b19d5..3116c0fbc8 100644
--- a/config/locales/crowdin/js-tr.yml
+++ b/config/locales/crowdin/js-tr.yml
@@ -22,1151 +22,1164 @@
 tr:
   js:
     ajax:
-      hide: ""
-      loading: ""
+      hide: "Saklamak"
+      loading: "Yükleniyor ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
-
+        Editör alanında, satır içi görüntüye veya referans ekine sürükleyin. Sürüklemeye devam ederken kapalı editör alanları açılacaktır.
     autocomplete_select:
       placeholder:
-        multi: ""
-        single: ""
-      remove: ""
-      active: ""
+        multi: "\"%{name}\" ekleyin"
+        single: "\"%{name}\" seçeneğini seçin"
+      remove: "%{name} öğesini kaldır"
+      active: "Aktif %{label} %{name}"
     backup:
-      attachments_disabled:
+      attachments_disabled: Ekler, izin verilen maksimum toplam boyutu aştıkları için dahil edilmeyebilir. Bunu yapılandırma yoluyla değiştirebilirsiniz (sunucunun yeniden başlatılması gerekir).
       info: >
-
+        Burada bir yedeklemeyi tetikleyebilirsiniz. İşlem, sahip olduğunuz veri miktarına (özellikle ekler) bağlı olarak biraz zaman alabilir. Hazır olduğunda bir e-posta alacaksınız.
       note: >
-
-      last_backup:
-      last_backup_from:
-      title:
-      options:
-      include_attachments:
-      download_backup:
-      request_backup:
-    close_popup_title: ""
-    close_filter_title: ""
-    close_form_title: ""
-    button_add_watcher: ""
-    button_add: ""
-    button_back: ""
-    button_back_to_list_view: ""
-    button_cancel: ""
-    button_close: ""
-    button_change_project: ""
-    button_check_all: ""
-    button_configure-form: ""
-    button_confirm: ""
-    button_continue: ""
-    button_copy: ""
-    button_copy_to_other_project: ""
-    button_custom-fields: ""
-    button_delete: ""
-    button_delete_watcher: ""
-    button_details_view: ""
-    button_duplicate: ""
-    button_edit: ""
-    button_filter: ""
-    button_collapse_all: ""
-    button_expand_all: ""
-    button_advanced_filter: ""
-    button_list_view: ""
-    button_show_view: ""
-    button_log_time: ""
-    button_more: ""
-    button_open_details: ""
-    button_close_details: ""
-    button_open_fullscreen: ""
-    button_show_cards: ""
-    button_show_list: ""
-    button_quote: ""
-    button_save: ""
-    button_settings: ""
-    button_uncheck_all: ""
-    button_update: ""
-    button_export-pdf: ""
-    button_export-atom: ""
-    button_create: ""
+        Yeni bir yedekleme, herhangi bir öncekini geçersiz kılacaktır. Günde yalnızca sınırlı sayıda yedekleme talep edilebilir.
+      last_backup: Son yedekleme
+      last_backup_from: Adlı kişiden son yedekleme
+      title: OpenProject Yedekleme
+      options: Ayarlar
+      include_attachments: Ekleri dahil et
+      download_backup: Yedeği indir
+      request_backup: Yedek talep et
+    close_popup_title: "Açılır pencereyi kapat"
+    close_filter_title: "Filtreyi kapat"
+    close_form_title: "Formu kapat"
+    button_add_watcher: "Takipçi ekle"
+    button_add: "Ekle"
+    button_back: "Geri"
+    button_back_to_list_view: "Liste görünümüne geri dön"
+    button_cancel: "İptal etmek"
+    button_close: "Kapat"
+    button_change_project: "Projeyi değiştir"
+    button_check_all: "Hepsini kontrol et"
+    button_configure-form: "Formu yapılandır"
+    button_confirm: "Onaylamak"
+    button_continue: "Devam et"
+    button_copy: "Kopyalamak"
+    button_copy_to_other_project: "Copy to other project"
+    button_custom-fields: "Özel Alanlar"
+    button_delete: "silmek"
+    button_delete_watcher: "Takipçi sil"
+    button_details_view: "Ayrıntılar görünümü"
+    button_duplicate: "Çoğaltın"
+    button_edit: "Düzenle"
+    button_filter: "Filtre"
+    button_collapse_all: "Tümünü daralt"
+    button_expand_all: "Tümünü genişlet"
+    button_advanced_filter: "Gelişmiş filtre"
+    button_list_view: "Liste görünümü"
+    button_show_view: "Tam ekran görünümü"
+    button_log_time: "Günlük zamanı kaydet"
+    button_more: "Daha"
+    button_open_details: "Ayrıntılar görünümünü aç"
+    button_close_details: "Ayrıntılar görünümünü kapat"
+    button_open_fullscreen: "Tam ekran görünümünü aç"
+    button_show_cards: "Kart görünümünü göster"
+    button_show_list: "Liste görünümünü göster"
+    button_quote: "Alıntı"
+    button_save: "Kayıt etmek"
+    button_settings: "Ayarlar"
+    button_uncheck_all: "Tümünü işaretleme"
+    button_update: "Güncelleştirme"
+    button_export-pdf: "PDF indir"
+    button_export-atom: "Atom İndir"
+    button_create: "Oluştur"
     card:
-      add_new: ''
+      add_new: 'Yeni kart ekleyin'
       highlighting:
-        inline: ''
-        entire_card_by: ''
-      remove_from_list: ''
-    caption_rate_history: ""
+        inline: 'Satır içi vurgula:'
+        entire_card_by: 'Kartın tamamı'
+      remove_from_list: 'Kartı listeden çıkar'
+    caption_rate_history: "Hız tarihi"
     clipboard:
-      browser_error: ""
-      copied_successful: ""
+      browser_error: "Tarayıcınız panoya kopyalamayı desteklemiyor. Lütfen seçilen metni manuel olarak kopyalayın."
+      copied_successful: "Panoya başarıyla kopyalandı!"
     chart:
-      type: ''
-      axis_criteria: ''
-      modal_title: ''
+      type: 'Grafik tipi'
+      axis_criteria: 'Eksen kriterleri'
+      modal_title: 'İş paketi grafik konfigürasyonu'
       types:
-        line: ''
-        horizontal_bar: ''
-        bar: ''
-        pie: ''
-        doughnut: ''
-        radar: ''
-        polar_area: ''
+        line: 'Çizgi'
+        horizontal_bar: 'Yatay çubuk'
+        bar: 'Çubuk'
+        pie: 'Turta'
+        doughnut: 'Tatlı çörek'
+        radar: 'Radar'
+        polar_area: 'kutupsal alan'
       tabs:
-        graph_settings: ''
-        dataset: ''
+        graph_settings: 'Genel'
+        dataset: 'Veri Kümesi %{number}'
       errors:
-        could_not_load: ''
-    description_available_columns: ""
-    description_current_position: ""
-    description_select_work_package: ""
-    description_selected_columns: ""
-    description_subwork_package: ""
+        could_not_load: 'Grafiği görüntülemek için veri yüklenemedi. Gerekli izinler eksik olabilir.'
+    description_available_columns: "Kullanılabilir sütunlar"
+    description_current_position: "Buradasınız:"
+    description_select_work_package: "#%{id} nolu iş paketini seçin"
+    description_selected_columns: "Seçili Sütunlar"
+    description_subwork_package: "#%{id} nolu iş paketinin alt parçası"
     editor:
-      preview: ''
-      source_code: ''
-      error_saving_failed: ''
-      ckeditor_error: ''
+      preview: 'Önizleme modunu aç/kapat'
+      source_code: 'Markdown kaynak modunu değiştir'
+      error_saving_failed: 'Aşağıdaki nedenden dolayı belge kayıt edilemedi: %{error}'
+      ckeditor_error: 'CKEditor içinde bir hata oluştu'
       mode:
-        manual: ''
-        wysiwyg: ''
+        manual: 'Markdown kaynağına geç'
+        wysiwyg: 'WYSIWYG düzenleyiciye geç'
       macro:
-        error: ''
+        error: 'Makro genişletilemiyor: %{message}'
         attribute_reference:
-          macro_help_tooltip: ''
-          not_found: ''
-          invalid_attribute: ""
+          macro_help_tooltip: 'Bu metin parçası bir makro tarafından dinamik olarak işleniyor.'
+          not_found: 'İstenen kaynak bulunamadı'
+          invalid_attribute: "Seçilen '%{name}' özniteliği mevcut değil."
         child_pages:
-          button: ''
-          include_parent: ''
-          text: ''
-          page: ''
-          this_page: ''
+          button: 'Alt sayfalara bağlantılar'
+          include_parent: 'Üst öğeyi dahil et'
+          text: '[Placeholder] Alt sayfalara bağlantılar'
+          page: 'Viki sayfası'
+          this_page: 'bu sayfa'
           hint: |
-
+            Geçerli sayfanın tüm alt sayfalarını listelemek için bu alanı boş bırakın. Farklı bir sayfaya referans vermek istiyorsanız, başlığını veya fişini belirtin.
         code_block:
-          button: ''
-          title: ''
-          language: ''
-          language_hint: ''
+          button: 'Kod parçacığı ekle'
+          title: 'Kod parçacığını ekle / düzenle'
+          language: 'Biçimlendirme dili'
+          language_hint: 'Vurgulamak için kullanılacak formatlama dilini girin (destekleniyorsa).'
         dropdown:
-          macros: ''
-          chose_macro: ''
-        toc: ''
-        toolbar_help: ''
+          macros: 'Makrolar'
+          chose_macro: 'Makro seçin'
+        toc: 'İçindekiler'
+        toolbar_help: 'Widget''ı seçmek ve araç çubuğunu göstermek için tıklayın. Widget''ı düzenlemek için çift tıklayın'
         wiki_page_include:
-          button: ''
-          text: ''
-          page: ''
-          not_set: ''
+          button: 'Başka bir wiki sayfasının içeriğini ekle'
+          text: '[Placeholder] Dahil edilen wiki sayfası'
+          page: 'Viki sayfası'
+          not_set: '(Sayfa ayarlanmadı)'
           hint: |
-
+            Başlığını veya sümüklü böcek belirterek başka bir wiki sayfasının içeriğini ekleyin.
+            Başka bir projenin wiki sayfasını, aşağıdaki örnekte olduğu gibi iki nokta ile ayırarak ekleyebilirsiniz.
         work_package_button:
-          button: ''
-          type: ''
-          button_style: ''
-          button_style_hint: ''
-          without_type: ''
-          with_type: ''
+          button: 'Çalışma paketi yarat düğmesi ekle'
+          type: 'İş paketi tipi'
+          button_style: 'Düğme biçimini kullan'
+          button_style_hint: 'İsteğe bağlı: Makronun bağlantı olarak değil, düğme olarak görünmesini sağlayın.'
+          without_type: 'İş paketini oluştur'
+          with_type: 'İş paketini oluştur (Tür %{typename})'
         embedded_table:
-          button: ''
-          text: ''
+          button: 'Gömülü iş paketi tablosu'
+          text: '[Yer Tutucu] Gömülü iş paketi tablosu'
         embedded_calendar:
-          text: ''
+          text: '[Placeholder] Göümülü takvim'
     admin:
       type_form:
-        custom_field: ''
-        inactive: ''
-        drag_to_activate: ""
-        add_group: ""
-        add_table: ""
-        edit_query: ''
-        new_group: ''
-        reset_to_defaults: ''
+        custom_field: 'Özel alan'
+        inactive: 'Etkin değil'
+        drag_to_activate: "Alanları buraya sürükleyerek aktifleştirebilirsiniz"
+        add_group: "Özellik grubu ekle"
+        add_table: "Bağlantılı iş paketlerinin tablosunu ekle"
+        edit_query: 'Sorguyu düzenle'
+        new_group: 'Yeni grup'
+        reset_to_defaults: 'Varsayılanlara geri yükle'
       enterprise:
-        text_reprieve_days_left: ""
-        text_expired: ""
+        text_reprieve_days_left: "%{days} days until end of grace period"
+        text_expired: "süresi dolmuş"
         trial:
-          confirmation: ""
+          confirmation: "E-posta adresi doğrulama"
           confirmation_info: >
-
+            %{email} adresine %{date} tarihinde bir e-posta gönderdik. Lütfen gelen kutunuzu kontrol edin ve 14 günlük denemenize başlamak için verilen onay bağlantısını tıklayın.
           form:
             general_consent: >
-
-            invalid_email: ""
-            label_company: ""
-            label_first_name: ""
-            label_last_name: ""
-            label_domain: ""
-            label_subscriber: ""
-            label_maximum_users: ""
-            label_starts_at: ""
-            label_expires_at: ""
-            receive_newsletter:
-            taken_domain:
-            taken_email:
-          email_not_received: ""
-          try_another_email: ""
-          next_steps: ""
-          resend_link: ""
-          resend_success: ""
-          resend_warning: ""
-          session_timeout: ""
-          status_label: ""
-          status_confirmed: ""
-          status_waiting: ""
-          test_ee: ""
-          quick_overview: ""
+              Katılıyorum  <a target="_blank" href="%{link_terms}">terms of service</a> and the <a target="_blank" href="%{link_privacy}">privacy policy</a>.
+            invalid_email: "Geçersiz e-posta adresi"
+            label_company: "Şirket"
+            label_first_name: "İsim"
+            label_last_name: "Soyisim"
+            label_domain: "Alan adı"
+            label_subscriber: "Abone"
+            label_maximum_users: "En çok aktif kullanıcı"
+            label_starts_at: "Başlangıç tarihi:"
+            label_expires_at: "Süre sonu: "
+            receive_newsletter: OpenProject almak istiyorum  <a target="_blank" href="%{link}">Bülten</a>.
+            taken_domain: Alan adı başına yalnızca bir etkin deneme olabilir.
+            taken_email: Her kullanıcı yalnızca bir deneme oluşturabilir.
+          email_not_received: "E-posta almadınız mı? Sağdaki bağlantıyı kullanarak e-postayı yeniden gönderebilirsiniz."
+          try_another_email: "Veya başka bir e-posta adresiyle deneyin."
+          next_steps: "Sonraki adımlar"
+          resend_link: "Tekrar gönder"
+          resend_success: "E-posta yeniden gönderildi. Lütfen e-postalarınızı kontrol edin ve verilen onay bağlantısını tıklayın."
+          resend_warning: "E-posta tekrar gönderilemedi."
+          session_timeout: "Oturumunuz zaman aşımına uğradı. Lütfen sayfayı yeniden yüklemeyi veya e-postayı tekrar göndermeyi deneyin."
+          status_label: "Durum:"
+          status_confirmed: "onaylanmış"
+          status_waiting: "e-posta gönderildi - onay bekleniyor"
+          test_ee: "Enterprise Edition ürününü 14 gün ücretsiz test edin"
+          quick_overview: "OpenProject Enterprise Edition ile proje yönetimi ve ekip işbirliğine hızlı bir genel bakış edinin."
         upsale:
-          become_hero: ""
+          become_hero: "Kahraman olun!"
           benefits:
-            description: ""
-            high_security: ""
-            high_security_text: ""
-            installation: ""
-            installation_text: ""
-            premium_features: ""
-            premium_features_text: ""
-            professional_support: ""
-            professional_support_text: ""
-          button_start_trial: ""
-          button_book_now: ""
+            description: "Enterprise on-premises Edition'ın avantajları nelerdir?"
+            high_security: "Güvenlik özellikleri"
+            high_security_text: "Tek oturum açma (SAML, OpenID Connect, CAS), iki faktörlü kimlik doğrulama ve LDAP gruplarının otomatik senkronizasyonu."
+            installation: "Kurulum desteği"
+            installation_text: "Deneyimli yazılım mühendisleri, kendi altyapınızdaki eksiksiz kurulum ve kurulum sürecinde size rehberlik eder."
+            premium_features: "Ayrıcalıklı özellikler"
+            premium_features_text: "Çevik tahtalar, özel tema ve logo, grafikler, özel eylemlerle akıllı iş akışları, iş paketi ekleri için tam metin araması ve çoklu seçim özel alanları."
+            professional_support: "Profesyonel destek"
+            professional_support_text: "İş açısından kritik ortamlarda OpenProject çalıştırma konusunda uzman bilgiye sahip kıdemli destek mühendislerinden güvenilir, yüksek dokunuşlu destek alın."
+          button_start_trial: "Deneme sürümüne başla"
+          button_book_now: "Şimdi rezervasyon yaptırın"
           confidence: >
-
-          link_quote: ""
+            Açık Kaynak ve açık fikirli olmak üzere, test edilmiş ve desteklenen bir kurumsal sınıf proje yönetimi yazılımının güvenini sunuyoruz.
+          link_quote: "Fiyat teklifi alın"
           text: >
-
-          unlimited: ""
-          you_contribute: ""
+            OpenProject Enterprise Edition, Topluluk Sürümü'nün üzerine kuruludur. OpenProject ile iş açısından kritik öneme sahip projeleri yöneten 10'dan fazla kullanıcısı olan kuruluşlara yönelik premium özellikler ve profesyonel destek içerir.
+          unlimited: "Sınırsız"
+          you_contribute: "Geliştiricilerin faturalarını da ödemeleri gerekiyor. Enterprise Edition ile bu Açık Kaynak topluluk çalışmasına önemli ölçüde katkıda bulunursunuz."
     custom_actions:
       date:
-        specific: ''
-        current_date: ''
+        specific: 'açık'
+        current_date: 'Geçerli tarih'
     error:
-      internal: ""
-      cannot_save_changes_with_message: ""
-      query_saving: ""
-      embedded_table_loading: ""
-    enumeration_activities: ""
-    enumeration_doc_categories: ""
-    enumeration_work_package_priorities: ""
+      internal: "İç hata oluştu."
+      cannot_save_changes_with_message: "Değişikliklerinizin kaydedilememesine sebep olan hata: %{error}"
+      query_saving: "Görünüm kaydedilemedi."
+      embedded_table_loading: "Gömülü görünüm yüklenemedi: %{message}"
+    enumeration_activities: "Etkinlikler (zaman izleme)"
+    enumeration_doc_categories: "Belge kategorileri"
+    enumeration_work_package_priorities: "İş paketi öncelikleri"
     filter:
-      more_values_not_shown: ""
+      more_values_not_shown: "There are %{total} more results, search to filter results."
       description:
-        text_open_filter: ""
-        text_close_filter: ""
-      noneElement: ""
+        text_open_filter: "Bu filtreyi 'ALT' ve ok tuşları ile açın."
+        text_close_filter: "Bir giridi seçmek için, örneğin odaktan uzaklaşmak için entera basın. Filitrelemeden çıkmak için ilk girdiyi (boş olanı) seçin."
+      noneElement: "(yok)"
       time_zone_converted:
-        two_values: ""
-        only_start: ""
-        only_end: ""
-      value_spacer: ""
+        two_values: "%{from} - %{to} yerel saatinizle."
+        only_start: "Yerel zamanınıza göre %{from} dan itibaren."
+        only_end: "Yerel saatinize göre %{to} kaldı."
+      value_spacer: "-"
       sorting:
         criteria:
-          one: ""
-          two: ""
-          three: ""
-      upsale_for_more: ""
-      upsale_link: ''
-    general_text_no: ""
-    general_text_yes: ""
-    general_text_No: ""
-    general_text_Yes: ""
+          one: "İlk sıralama ölçütü"
+          two: "İkinci sıralama ölçütü"
+          three: "Üçüncü sıralama ölçütleri"
+      upsale_for_more: "Daha gelişmiş filtreler için kontrol edin"
+      upsale_link: 'Kurumsal Sürüm.'
+    general_text_no: "hayır"
+    general_text_yes: "evet"
+    general_text_No: "Hayır"
+    general_text_Yes: "Evet"
     hal:
       error:
-        update_conflict_refresh: ""
-        edit_prohibited: ""
+        update_conflict_refresh: "Kaynağı yenilemek ve en yeni sürüme güncellemek için burayı tıklayın."
+        edit_prohibited: "%{attribute} düzenlenmesi bu kaynak için engellendi. Bu özellik ya ilişkilerden (örneğin çocuklar) elde edilir ya da başka türlü yapılandırılamaz.\n"
         format:
-          date: ""
-        general: ""
+          date: "%{attribute} geçerli tarih değil - YYYY-AA-GG formatında girilmeli."
+        general: "Bir hata oluştu."
     homescreen:
       blocks:
         new_features:
-          text_new_features: ""
-          learn_about: ""
+          text_new_features: "Yeni özellikler ve ürün güncellemeleri hakkında bilgi edinin."
+          learn_about: "Yeni özellikler hakkında daha fazla bilgi edinin"
           #Include the version to invalidate outdated translations in other locales.
           #Otherwise, e.g. chinese might still have the translations for 10.0 in the 12.0 release.
           '12_0':
             standard:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
+                The release contains various new features and improvements: <br> <ul class="%{list_styling_class}"> <li>With the new <b>in-app notifications</b> you receive all important updates directly in the application and don't get a flood of emails anymore.</li> <li>The new <b>notification center</b> shows all the changes, including intuitive filter options, e.g. by reason for notification or projects. It even allows editing directly in a split view.</li> <li>Improved <b>notification settings</b> allow to fine-tune for which actions and in which projects you want to receive a notification.</li> <li><b>Email reminders</b> can be configured to receive important updates via a daily email summary.</li> <li>The work package auto-completer for relations now also shows additional information (project name, status, ...) to easily identify the respective work package.</li> </ul>
             bim:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
-    label_activate: ""
-    label_add_column_after: ""
-    label_add_column_before: ""
-    label_add_columns: ""
-    label_add_comment: ""
-    label_add_comment_title: ""
-    label_add_row_after: ""
-    label_add_row_before: ""
-    label_add_selected_columns: ""
-    label_added_by: ""
-    label_added_time_by: ""
-    label_ago: ""
-    label_all: ""
-    label_all_work_packages: ""
-    label_and: ""
-    label_ascending: ""
-    label_author: ""
-    label_avatar: ""
-    label_between: ""
-    label_board: ""
-    label_board_locked: ""
-    label_board_plural: ""
-    label_board_sticky: ""
-    label_change: ""
-    label_create: ""
-    label_create_work_package: ""
-    label_created_by: ""
-    label_date: ""
-    label_date_with_format: ""
-    label_deactivate: ""
-    label_descending: ""
-    label_description: ""
-    label_details: ""
-    label_display: ""
-    label_cancel_comment: ""
-    label_closed_work_packages: ""
-    label_collapse: ""
-    label_collapsed: ""
-    label_collapse_all: ""
-    label_comment: ""
-    label_committed_at: ""
-    label_committed_link: ""
-    label_contains: ""
-    label_created_on: ""
-    label_edit_comment: ""
-    label_edit_status: ""
-    label_email: ""
-    label_equals: ""
-    label_expand: ""
-    label_expanded: ""
-    label_expand_all: ""
-    label_expand_project_menu: ""
-    label_export: ""
-    label_export_preparing: ""
-    label_filename: ""
-    label_filesize: ""
-    label_general: ""
-    label_global_roles: ""
-    label_greater_or_equal: ""
-    label_group: ''
-    label_group_by: ""
-    label_group_plural: ""
-    label_hide_attributes: ""
-    label_hide_column: ""
-    label_hide_project_menu: ""
-    label_in: ""
-    label_in_less_than: ""
-    label_in_more_than: ""
-    label_incoming_emails: ""
-    label_information_plural: ""
-    label_import: ""
-    label_latest_activity: ""
-    label_last_updated_on: ""
-    label_learn_more_link: ""
-    label_less_or_equal: ""
-    label_less_than_ago: ""
-    label_loading: ""
-    label_mail_notification: ""
-    label_me: ""
-    label_meeting_agenda: ""
-    label_meeting_minutes: ""
-    label_menu_collapse: ""
-    label_menu_expand: ""
-    label_more_than_ago: ""
-    label_next: ""
-    label_no_color: ""
-    label_no_data: ""
-    label_no_due_date: ""
-    label_no_start_date: ""
-    label_no_value: ""
-    label_none: ""
-    label_not_contains: ""
-    label_not_equals: ""
-    label_on: ""
-    label_open_menu: ""
-    label_open_context_menu: ""
-    label_open_work_packages: ""
-    label_password: ""
-    label_previous: ""
-    label_per_page: ""
-    label_please_wait: ""
-    label_project_plural: ""
-    label_visibility_settings: ""
-    label_quote_comment: ""
-    label_recent: ""
-    label_reset: ""
-    label_remove: ""
-    label_remove_column: ""
-    label_remove_columns: ""
-    label_remove_row: ""
-    label_report: ""
-    label_repository_plural: ""
-    label_save_as: ""
-    label_select_watcher: ""
-    label_selected_filter_list: ""
-    label_show_attributes: ""
-    label_show_in_menu: ""
-    label_sort_by: ""
-    label_sorted_by: ""
-    label_sort_higher: ""
-    label_sort_lower: ""
-    label_sorting: ""
-    label_spent_time: ""
-    label_star_query: ""
-    label_press_enter_to_save: ""
-    label_public_query: ""
-    label_sum: ""
-    label_sum_for: ""
-    label_total_sum: ""
-    label_subject: ""
-    label_this_week: ""
-    label_today: ""
-    label_time_entry_plural: ""
-    label_up: ""
-    label_user_plural: ""
-    label_activity_show_only_comments: ""
-    label_activity_show_all: ""
-    label_total_progress: ""
-    label_total_amount: ""
-    label_updated_on: ""
-    label_value_derived_from_children: ""
-    label_children_derived_duration: ""
-    label_warning: ""
-    label_work_package: ""
-    label_work_package_parent: ""
-    label_work_package_plural: ""
-    label_watch: ""
-    label_watch_work_package: ""
-    label_watcher_added_successfully: ""
-    label_watcher_deleted_successfully: ""
-    label_work_package_details_you_are_here: ""
-    label_unwatch: ""
-    label_unwatch_work_package: ""
-    label_uploaded_by: ""
-    label_default_queries: ""
-    label_starred_queries: ""
-    label_global_queries: ""
-    label_custom_queries: ""
-    label_create_new_query: ""
-    label_columns: ""
-    label_attachments:
-    label_drop_files:
-    label_drop_files_hint:
-    label_drop_folders_hint:
-    label_add_attachments: ""
-    label_formattable_attachment_hint: ""
-    label_remove_file: ""
-    label_remove_watcher: ""
-    label_remove_all_files:
-    label_add_description: ""
-    label_upload_notification: ""
-    label_work_package_upload_notification: ""
-    label_wp_id_added_by: ""
-    label_files_to_upload: ""
-    label_rejected_files: ""
-    label_rejected_files_reason: ""
-    label_wait: ""
-    label_upload_counter: ""
-    label_validation_error: ""
-    label_version_plural: ""
-    label_view_has_changed: ""
+                The release contains various new features and improvements: <br> <ul class="%{list_styling_class}"> <li>Notification center: Reduce the number of mails you receive. Instead find and act upon all relevant notifications in one central place.</li> <li>All uploaded IFC files can now also be downloaded.</li> <li>The uploading and processing of IFC got faster and received better error messages.</li> <li>The <a href="https://github.com/opf/openproject-revit-add-in">OpenProject Revit Add-in</a> received many bug fixes.</li> </ul>
+    label_activate: "Etkinleştir"
+    label_add_column_after: "Sonrasına sütun ekle"
+    label_add_column_before: "Öncesine sütun ekle"
+    label_add_columns: "Sütunlar ekle"
+    label_add_comment: "Yorum ekle"
+    label_add_comment_title: "Yorum yapmak ve diğer kişilere bunu bildirmek için @ yazın"
+    label_add_row_after: "Sonrasına satır ekle"
+    label_add_row_before: "Öncesine satır ekle"
+    label_add_selected_columns: "Seçilen sütunları ekle"
+    label_added_by: "ekleyen"
+    label_added_time_by: "<a href=%{authorLink}>%{author}</a> at %{age} tarafından eklendi"
+    label_ago: "gün önce"
+    label_all: "tüm"
+    label_all_work_packages: "tüm iş paketleri"
+    label_and: "ve"
+    label_ascending: "Azalan"
+    label_author: "Yazar: %{user}"
+    label_avatar: "Avatar"
+    label_between: "arasında"
+    label_board: "Pano"
+    label_board_locked: "Kilitlendi"
+    label_board_plural: "Panolar"
+    label_board_sticky: "Sabit"
+    label_change: "Değiştir"
+    label_create: "Oluştur"
+    label_create_work_package: "Yeni iş paketi oluştur"
+    label_created_by: "Oluşturan"
+    label_date: "Tarih"
+    label_date_with_format: "Aşağıdaki biçimi kullanarak %{date_attribute} girin: %{format}"
+    label_deactivate: "Etkisizleştir"
+    label_descending: "Azalan"
+    label_description: "Açıklama"
+    label_details: "Detaylar"
+    label_display: "Göster"
+    label_cancel_comment: "Yorumu iptal et"
+    label_closed_work_packages: "kapalı"
+    label_collapse: "Daralt"
+    label_collapsed: "daraltılmış"
+    label_collapse_all: "Tümünü daralt"
+    label_comment: "Yorum"
+    label_committed_at: "%{committed_revision_link} %{date}"
+    label_committed_link: "kaydedilmiş revizyon %{revision_identifier}"
+    label_contains: "içerir"
+    label_created_on: "oluşturma tarihi"
+    label_edit_comment: "Bu yorumu düzenle"
+    label_edit_status: "İş paketi durumunu düzenle"
+    label_email: "Eposta"
+    label_equals: "şuysa"
+    label_expand: "Genişlet"
+    label_expanded: "genişletilmiş"
+    label_expand_all: "Tümünü genişlet"
+    label_expand_project_menu: "Proje menüsünü genişlet"
+    label_export: "Dışarı aktar"
+    label_export_preparing: "İhracat hazırlanıyor ve kısa süre içinde indirilecek."
+    label_filename: "Dosya"
+    label_filesize: "Boyutu"
+    label_general: "Genel"
+    label_global_roles: "Küresel rolleri"
+    label_greater_or_equal: ">="
+    label_group: 'Grup'
+    label_group_by: "Grupla"
+    label_group_plural: "Gruplar"
+    label_hide_attributes: "Daha az göster"
+    label_hide_column: "Sütunu gizle"
+    label_hide_project_menu: "Proje menüsünü daralt"
+    label_in: "şurada"
+    label_in_less_than: "daha azdır"
+    label_in_more_than: "daha fazla"
+    label_incoming_emails: "Gelen e-postalar"
+    label_information_plural: "Bilgi"
+    label_import: "İçeri Aktar"
+    label_latest_activity: "En son etkinlik"
+    label_last_updated_on: "Son güncelleme"
+    label_learn_more_link: "Daha fazla bilgi edin"
+    label_less_or_equal: "<="
+    label_less_than_ago: "bir haftadan kısa bir süre önce"
+    label_loading: "Yükleniyor..."
+    label_mail_notification: "E-posta bildirimleri"
+    label_me: "ben"
+    label_meeting_agenda: "Ajanda"
+    label_meeting_minutes: "Dakika"
+    label_menu_collapse: "çöküş"
+    label_menu_expand: "genişletmek"
+    label_more_than_ago: "günler önce"
+    label_next: "Sonraki"
+    label_no_color: "Renk yok"
+    label_no_data: "Görüntülenecek veri yok"
+    label_no_due_date: "bitiş tarihi yok"
+    label_no_start_date: "başlangıç tarihi yok"
+    label_no_value: "Değer yok"
+    label_none: "hiçbiri"
+    label_not_contains: "içermiyor"
+    label_not_equals: "değildir"
+    label_on: "açık"
+    label_open_menu: "Menüyü Aç"
+    label_open_context_menu: "Bağlam menüsünü aç"
+    label_open_work_packages: "açık"
+    label_password: "Parola"
+    label_previous: "Önceki"
+    label_per_page: "Sayfa başına:"
+    label_please_wait: "Lütfen bekleyin"
+    label_project_plural: "Projeler"
+    label_visibility_settings: "Görünürlük ayarları"
+    label_quote_comment: "Yorumu alıntıla"
+    label_recent: "son günlerdeki"
+    label_reset: "Sıfırla"
+    label_remove: "Kaldır"
+    label_remove_column: "Sütunu kaldır"
+    label_remove_columns: "Seçili sütunları sil"
+    label_remove_row: "Satırı kaldır"
+    label_report: "Rapor (bildiri)"
+    label_repository_plural: "Depolar"
+    label_save_as: "Farklı Kaydet"
+    label_select_watcher: "Takipçi seç..."
+    label_selected_filter_list: "Seçilen filtreler"
+    label_show_attributes: "Tüm öznitelikleri göster"
+    label_show_in_menu: "Görünümü menüde göster"
+    label_sort_by: "Sıralama şekli"
+    label_sorted_by: "sıralayan"
+    label_sort_higher: "Yukarı taşı"
+    label_sort_lower: "Aşağı taşı"
+    label_sorting: "Sıralama"
+    label_spent_time: "Harcanan zaman"
+    label_star_query: "avantajlı"
+    label_press_enter_to_save: "Kaydetmek için enter tuşuna basın."
+    label_public_query: "Herkese Açık"
+    label_sum: "toplam\n"
+    label_sum_for: "Toplam"
+    label_total_sum: "Toplam miktar"
+    label_subject: "Konu"
+    label_this_week: "bu hafta"
+    label_today: "Bugün"
+    label_time_entry_plural: "Harcanan zaman"
+    label_up: "Yukarı"
+    label_user_plural: "Kullanıcılar"
+    label_activity_show_only_comments: "Sadece yorumların olduğu etkinlikleri göster"
+    label_activity_show_all: "Tüm etkinlikleri göster"
+    label_total_progress: "Toplam ilerleme %{percent}%"
+    label_total_amount: "Toplam: %{amount}"
+    label_updated_on: "güncelleme tarihi"
+    label_value_derived_from_children: "(çocuklardan elde edilen değer)"
+    label_children_derived_duration: "Çalışma paketinin çocuklarının türetilen süresi"
+    label_warning: "Uyarı"
+    label_work_package: "İş paketi"
+    label_work_package_parent: "İş paketini oluştur"
+    label_work_package_plural: "İş paketleri"
+    label_watch: "İzle"
+    label_watch_work_package: "İş paketini izle"
+    label_watcher_added_successfully: "Takipçi başarıyla eklendi!"
+    label_watcher_deleted_successfully: "Takipçi başarıyla silindi!"
+    label_work_package_details_you_are_here: "%{type} %{subject} için %{tab} sekmesindesiniz."
+    label_unwatch: "İzleme"
+    label_unwatch_work_package: "İş pakaketini izlemeyi bırak"
+    label_uploaded_by: "Yükleyen"
+    label_default_queries: "Varsayılan görünümler"
+    label_starred_queries: "Gözde görünümler"
+    label_global_queries: "Herkese açık görünümler"
+    label_custom_queries: "Gizli görünümler"
+    label_columns: "Sütunlar"
+    label_attachments: Ekler
+    label_drop_files: Dosyaları buraya bırakın
+    label_drop_files_hint: veya eklemek için tıklayın
+    label_drop_folders_hint: Klasörleri ek olarak karşıya yükleyemezsiniz. Lütfen tekil dosyalar seçiniz.
+    label_add_attachments: "Dosya Ekle"
+    label_formattable_attachment_hint: "Dosyaları bu alana sürükleyerek ekleyebilir veya panodan yapıştırabilirsiniz."
+    label_remove_file: "%{fileName} Sil"
+    label_remove_watcher: "%{name} isimli takipçi sil"
+    label_remove_all_files: Tüm dosyaları temizle
+    label_add_description: "%{file} için açıklama ekle"
+    label_upload_notification: "Dosyalar yükleniyor..."
+    label_work_package_upload_notification: "#%{id}: %{subject} iş paketi için dosyalar yükleniyor"
+    label_wp_id_added_by: "# %{id} %{author} tarafından eklendi"
+    label_files_to_upload: "Bu dosyalar yüklenecek:"
+    label_rejected_files: "Bu dosyalar yüklenemiyor:"
+    label_rejected_files_reason: "Dosyaların boyutu %{maximumFilesize} boyutunu aştığı için dosyalar yüklenemeyecek"
+    label_wait: "Lütfen Yapılandırmanın tamamlanmasını bekleyin..."
+    label_upload_counter: "%{done} / %{count} dosya yüklendi"
+    label_validation_error: "İş paketi aşağıdaki hatalar nedeniyle kaydedilemedi:"
+    label_version_plural: "Sürümler"
+    label_view_has_changed: "Bu görünüm kaydedilmemiş değişikliklere sahip. Onları kaydetmek için tıklayın."
     help_texts:
-      show_modal: ''
+      show_modal: 'Metin giriş öznitelik yardımını göster'
     onboarding:
       buttons:
-        skip: ''
-        next: ''
-        got_it: ''
+        skip: 'Atla'
+        next: 'Sonraki'
+        got_it: 'Anladım'
       steps:
-        help_menu: ''
-        members: ''
-        project_selection: ''
-        quick_add_button: ''
-        sidebar_arrow: ""
-        welcome: ''
-        wiki: ''
+        help_menu: 'The Help (?) menu provides <b>additional help resources</b>. Here you can find a user guide and helpful how-to videos and more. <br> Enjoy your work with OpenProject!'
+        members: 'Invite new <b>members</b> to join your project.'
+        project_selection: 'Please click on one of the demo projects that we have prepared. Demo data is currently only available in English. <br> The general <b>demo project</b> suits best for classical project management, while the <b>Scrum project</b> is better for agile project management.'
+        quick_add_button: 'Click on the plus (+) icon in the header navigation to <b>create a new project</b> or to <b>invite coworkers</b>.'
+        sidebar_arrow: "Use the return arrow in the top left corner to return to the project’s <b>main menu</b>."
+        welcome: 'En <b>önemli özellikleri</b> öğrenmek için üç dakikalık bir tanıtım gezintisine çıkın. <br> Tüm adımları tamamlamanızı öneririz. Turu istediğiniz zaman yeniden başlatabilirsiniz.'
+        wiki: 'Within the <b>wiki</b> you can document and share knowledge together with your team.'
         backlogs:
-          overview: ""
-          sprints: ""
-          task_board_arrow: ''
-          task_board_select: ''
-          task_board: ""
+          overview: "İşinizi <b>birikimler</b> görünümünde yönetin."
+          sprints: "On the right you have the product backlog and the bug backlog, on the left you have the respective sprints. Here you can create <b>epics, user stories, and bugs</b>, prioritize via drag & drop and add them to a sprint."
+          task_board_arrow: 'To see your <b>task board</b>, open the sprint drop-down...'
+          task_board_select: '...and select the <b>task board</b> entry.'
+          task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
-          overview: ''
-          lists: ''
-          add: ''
-          drag: ''
+          overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
+          add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
+          drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
-          toggler: ""
-          list: ''
-          full_view: ''
-          back_button: ''
-          create_button: ''
-          timeline_button: ''
-          timeline: ''
+          toggler: "Now let's have a look at the <b>work package</b> section, which gives you a more detailed view of your work."
+          list: 'This <b>work</b> package overview provides a list of all the work in your project, such as tasks, milestones, phases, and more. <br> Work packages can be created and edited directly from this view. To access the details of a particular work package, simply double-click its row.'
+          full_view: 'The <b>work package details</b> view provides all the relevant information pertaining to a given work package, such as its description, status, priority, activities, dependencies, and comments.'
+          back_button: 'Use the return arrow in the top left corner to exit and return to the work package list.'
+          create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
+          timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
+          timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
-      title: ""
-      no_unread: ""
+      title: "Bildirimler"
+      no_unread: "Okunmamış bildirim yok"
       reasons:
-        mentioned: ''
-        watched: ''
-        assigned: ''
-        responsible: ''
+        mentioned: 'adı geçen, bahsedilen'
+        watched: 'izlendi'
+        assigned: 'assigned'
+        responsible: 'accountable'
       facets:
-        unread: ''
-        all: ''
+        unread: 'okunmamış'
+        all: 'Hepsi'
       center:
         and_more_users:
-          one: ''
-          other: ''
+          one: 'and 1 other'
+          other: 'and %{count} others'
         no_results:
-          at_all: ''
-          with_current_filter: ''
-        mark_all_read: ''
-        mark_as_read: ''
-        text_update_date: ""
-        total_count_warning: ""
+          at_all: 'New notifications will appear here when there is activity that concerns you'
+          with_current_filter: 'There are no notifications in this view at the moment'
+        mark_all_read: 'Tümünü okundu olarak işaretle'
+        mark_as_read: 'Okundu olarak işaretle'
+        text_update_date: "%{date} by"
+        total_count_warning: "Showing the %{newest_count} most recent notifications. %{more_count} more are not displayed."
         empty_state:
-          no_notification: ""
-          no_notification_with_current_filter: ""
-          no_selection: ""
+          no_notification: "Looks like you're all caught up."
+          no_notification_with_current_filter: "Change of involvement or go back to the Inbox to view notifications"
+          no_selection: "Click on a notification to view all activity details."
         new_notifications:
-          message: ''
-          link_text: ''
+          message: 'Yeni bildirimler var'
+          link_text: 'Yüklemek için buraya tıklayın'
       menu:
-        accountable: ''
-        assigned: ''
-        by_project: ''
-        by_reason: ''
-        inbox: ''
-        mentioned: ''
-        watching: ''
+        accountable: 'Sorumlu'
+        assigned: 'Atanmış'
+        by_project: 'Unread by project'
+        by_reason: 'Katılım'
+        inbox: 'Gelen Kutusu'
+        mentioned: '@bahsedilen'
+        watching: 'İzliyor'
       settings:
-        change_notification_settings: ''
-        title: ""
-        notify_me: ""
+        change_notification_settings: 'To view and change your notification settings, <a target="_blank" href="%{url}">click here</a>'
+        title: "Bildirim ayarları"
+        notify_me: "Beni dürt"
         reasons:
           mentioned:
-            title: ''
-            description: ''
+            title: 'benden @bahsedildi'
+            description: 'Receive a notification every time someone mentions me anywhere'
           involved:
-            title: ''
-            description: ''
-          watched: ''
-          work_package_commented: ''
-          work_package_created: ''
-          work_package_processed: ''
-          work_package_prioritized: ''
-          work_package_scheduled: ''
+            title: 'Assigned to me or accountable'
+            description: 'Receive notifications for all activities on work packages for which I am assignee or accountable'
+          watched: 'Updates on watched items'
+          work_package_commented: 'All new comments'
+          work_package_created: 'New work packages'
+          work_package_processed: 'All status changes'
+          work_package_prioritized: 'All priority changes'
+          work_package_scheduled: 'All date changes'
         global:
           immediately:
-            title: ''
-            description: ''
+            title: 'Notify me immediately'
+            description: 'These settings apply to all projects. You can create project-specific exceptions below.'
           delayed:
-            title: ''
-            description: ''
+            title: 'Also notify me for'
+            description: 'Receive notifications for these activities on work packages in all projects:'
         project_specific:
-          title: ''
-          description: ''
-          add: ''
-          already_selected: ''
-          remove: ''
+          title: 'Project-specific notification settings'
+          description: 'These project-specific settings override default settings above'
+          add: 'Proje için ayar ekle'
+          already_selected: 'Bu proje zaten seçildi'
+          remove: 'Proje ayarlarını sil'
     password_confirmation:
-      field_description: ''
-      title: ''
+      field_description: 'Bu değişikliği onaylamak için hesap parolanızı girmeniz gerekir.'
+      title: 'Devam etmek için parolanızı doğrulayın'
     pagination:
-      no_other_page: ""
+      no_other_page: "Geçerli tek sayfadasınız."
       pages:
-        next: ""
-        previous: ""
+        next: "Bir sonraki sayfaya ilerleyin"
+        previous: "Önceki sayfa geri dön"
     placeholders:
-      default: ''
-      subject: ''
-      selection: ''
-      relation_description: ''
+      default: '-'
+      subject: 'Buraya konuyu girin'
+      selection: 'Lütfen seçin'
+      relation_description: 'Bu ilişkiye açıklama eklemek için tıklayın'
     project:
       required_outside_context: >
-
-      context: ''
-      work_package_belongs_to: ''
-      click_to_switch_context: ''
-      confirm_template_load: ''
-      use_template: ""
-      no_template_selected: ""
+        Lütfen tüm özellikleri görmek için çalışma paketini oluşturacak bir proje seçin. Yalnızca yukarıdaki türden etkin olan projeleri seçebilirsiniz.
+      context: 'Proje içeriği'
+      work_package_belongs_to: 'Bu iş paketi %{projectname} projesine ait.'
+      click_to_switch_context: 'Bu iş paketini o projede aç.'
+      confirm_template_load: 'Şablonu değiştirmek sayfayı yeniden yükleyecek ve bu forma yaptığınız tüm girişleri kaybedeceksiniz. Devam et?'
+      use_template: "Şablon kullan"
+      no_template_selected: "(Yok)"
       copy:
-        copy_options: ""
+        copy_options: "Ayarları kopyala"
       autocompleter:
-        label: ''
+        label: 'Proje otomatik tamamlama'
     reminders:
       settings:
         daily:
-          add_time: ''
-          enable: ''
-          explanation: ''
-          no_time_zone: ''
-          time_label: ''
-          title: ''
+          add_time: 'Add time'
+          enable: 'Günlük email hatırlatıcılarını etkinleştir'
+          explanation: 'You will receive these reminders only for unread notifications and only at hours you specify. %{no_time_zone}'
+          no_time_zone: 'Until you configure a time zone for your account, the times will be interpreted to be in UTC.'
+          time_label: 'Time %{counter}:'
+          title: 'Send me daily email reminders for unread notifications'
         workdays:
-          title: ''
+          title: 'Receive email reminders on these days'
         immediate:
-          title: ''
-          mentioned: ''
+          title: 'Bana email hatırlatıcısı gönder'
+          mentioned: 'Immediately when someone @mentions me'
         alerts:
-          title: ''
+          title: 'Email alerts for other items (that are not work packages)'
           explanation: >
-
-          news_added: ''
-          news_commented: ''
-          document_added: ''
-          forum_messages: ''
-          wiki_page_added: ''
-          wiki_page_updated: ''
-          membership_added: ''
-          membership_updated: ''
-        title: ''
+            Notifications today are limited to work packages. You can choose to continue receiving email alerts for these events until they are included in notifications:
+          news_added: 'Haberler eklendi'
+          news_commented: 'Comment on a news item'
+          document_added: 'Belgeler eklendi'
+          forum_messages: 'Yeni forum mesajları'
+          wiki_page_added: 'Viki sayfası eklendi'
+          wiki_page_updated: 'Viki sayfası güncellendi'
+          membership_added: 'Üyelik eklendi'
+          membership_updated: 'Üyelik güncellendi'
+        title: 'Email hatırlatıcıları'
         pause:
-          label: ''
-          first_day: ''
-          last_day: ''
-    text_are_you_sure: ""
-    text_data_lost: ""
+          label: 'Email hatırlatıcılarını geçici olarak durdur'
+          first_day: 'İlk gün'
+          last_day: 'Son gün'
+    text_are_you_sure: "Emin misiniz?"
+    text_data_lost: "Girilen tüm veriler silinecek."
     types:
       attribute_groups:
-        error_duplicate_group_name: ""
-        error_no_table_configured: ""
-        reset_title: ""
+        error_duplicate_group_name: "%{group} ismi birden fazla kullanıldı. Grup isimleri eşsiz olmalıdır."
+        error_no_table_configured: "Lütfen %{group} için bir tablo yapılandırın."
+        reset_title: "Form ayarlarlarını sıfırlayın"
         confirm_reset: >
-
-        upgrade_to_ee: ""
-        upgrade_to_ee_text: ""
-        more_information: ""
-        nevermind: ""
+          Uyarı: Form yapılandırmasını sıfırlamak istediğinizden emin misiniz? Bu, nitelikleri varsayılan gruplarına sıfırlar ve TÜM özel alanları devre dışı bırakır.
+        upgrade_to_ee: "Enterprise on-premises Edition'a yükseltin"
+        upgrade_to_ee_text: "Vay canına! Eğer bu özelliğe ihtiyaç duyuyorsanız süper bir profesyonelsiniz! Açık Kaynak kodu desteklemeyi düşünüyorseniz bizim geliştiricilerimize katkı sağlamak için Enterprise sürüm müşterimiz olur musunuz?"
+        more_information: "Daha fazla bilgi"
+        nevermind: "Boşver"
       edit:
-        form_configuration: ""
-        projects: ""
-        settings: ""
+        form_configuration: "Form Yapılandırması"
+        projects: "Projeler"
+        settings: "Ayarlar"
     time_entry:
-      project: ''
-      work_package: ''
-      work_package_required: ''
-      activity: ''
-      comment: ''
-      duration: ''
-      spent_on: ''
-      hours: ''
-      title: ''
+      project: 'Proje'
+      work_package: 'İş paketi'
+      work_package_required: 'Önce bir iş paketi seçilmesini gerektirir.'
+      activity: 'Etkinlik'
+      comment: 'Yorum'
+      duration: 'Süre'
+      spent_on: 'Tarih'
+      hours: 'Saat'
+      title: 'Zaman kaydet'
     two_factor_authentication:
-      label_two_factor_authentication: ''
+      label_two_factor_authentication: 'İki faktörlü kimlik doğrulama'
     watchers:
-      label_loading:
-      label_error_loading:
-      label_search_watchers:
-      label_add:
-      label_discard:
-      typeahead_placeholder:
+      label_loading: takipçiler yükleniyor...
+      label_error_loading: Takipçileri yüklerken bir hata oluştu
+      label_search_watchers: Takipçi arama
+      label_add: Takipçi ekle
+      label_discard: Seçimi gözardı et
+      typeahead_placeholder: Olası takipçiler için arayın
     relation_labels:
-      parent: ""
-      children: ""
-      relates: ""
-      duplicates: ""
-      duplicated: ""
-      blocks: ""
-      blocked: ""
-      precedes: ""
-      follows: ""
-      includes: ""
-      partof: ""
-      requires: ""
-      required: ""
-      relation_type: ""
+      parent: "Üst"
+      children: "Çocuk"
+      relates: "Alakalı"
+      duplicates: "Çoğaltır"
+      duplicated: "Tarafından çoğaltılır"
+      blocks: "Engeller"
+      blocked: "Bağlı"
+      precedes: "İletletir"
+      follows: "Takip eder"
+      includes: "İçerir"
+      partof: "Bölümü"
+      requires: "Şunu gerektirir"
+      required: "Gerektirir"
+      relation_type: "ilişki türü"
     relations_hierarchy:
-      parent_headline: ""
-      hierarchy_headline: ""
-      children_headline: ""
+      parent_headline: "Üst"
+      hierarchy_headline: "Hiyerarşi"
+      children_headline: "Çocuk"
     relation_buttons:
-      set_parent: ""
-      change_parent: ""
-      remove_parent: ""
-      hierarchy_indent: ""
-      hierarchy_outdent: ""
-      group_by_wp_type: ""
-      group_by_relation_type: ""
-      add_parent: ""
-      add_new_child: ""
-      create_new: ""
-      add_existing: ""
-      add_existing_child: ""
-      remove_child: ""
-      add_new_relation: ""
-      add_existing_relation: ""
-      update_description: ""
-      toggle_description: ""
-      update_relation: ""
-      add_follower: ""
-      add_predecessor: ""
-      remove: ""
-      save: ""
-      abort: ""
+      set_parent: "Üstünü ayarla"
+      change_parent: "Üstünü değiştir"
+      remove_parent: "Üstündekini kaldır"
+      hierarchy_indent: "Girinti hiyerarşisi"
+      hierarchy_outdent: "Dış diş hiyerarşisi"
+      group_by_wp_type: "İş paketi türüne göre grupla"
+      group_by_relation_type: "İlişki türüne göre gruplandırma"
+      add_parent: "Mevcut bir üst ekle"
+      add_new_child: "Yeni alt birim oluştur"
+      create_new: "Yeni oluştur"
+      add_existing: "Mevcut olanı ekle"
+      add_existing_child: "Mevcut bir alt birim ekle"
+      remove_child: "Alt bileşeni kaldır"
+      add_new_relation: "Yeni ilişki oluştur"
+      add_existing_relation: "Varolan ilişki ekle"
+      update_description: "Bu ilişkinin açıklamasını güncelle"
+      toggle_description: "İlişki açıklamasını göster"
+      update_relation: "İlişki türünü değiştirmek için tıklayın"
+      add_follower: "Takipçi ekle"
+      add_predecessor: "Öncelik ekle"
+      remove: "İlişkiyi kaldır"
+      save: "İlişkiyi kaydet"
+      abort: "İptal"
     relations_autocomplete:
-      placeholder: ""
-      parent_placeholder: ""
+      placeholder: "Aramak için metni yazın"
+      parent_placeholder: "Yeni bir ebeveyn seçin veya iptal etmek için escape tuşuna basın."
     autocompleter:
-      placeholder: ""
-      notFoundText: ""
-      typeToSearchText: ""
+      placeholder: "Aramak için metni yazın"
+      notFoundText: "Hiçbir öge bulunamadı"
+      typeToSearchText: "Aramak için metni yazın"
     repositories:
-      select_tag: ''
-      select_branch: ''
-    field_value_enter_prompt: ""
-    project_menu_details: ""
+      select_tag: 'Etiket seç'
+      select_branch: 'Branş seç'
+    field_value_enter_prompt: "'%{field}' için bir değer girin"
+    project_menu_details: "Detaylar"
     scheduling:
-      manual: ''
-      automatic: ''
+      manual: 'Manuel zamanlamayı etkinleştir'
+      automatic: 'Otomatik zamanlama çizelgesi'
     sort:
-      sorted_asc: ''
-      sorted_dsc: ''
-      sorted_no: ''
-      sorting_disabled: ''
-      activate_asc: ''
-      activate_dsc: ''
-      activate_no: ''
-    text_work_packages_destroy_confirmation: ""
-    text_query_destroy_confirmation: ""
-    text_attachment_destroy_confirmation: ""
+      sorted_asc: 'Artan sıralama, uygulandı, '
+      sorted_dsc: 'Azalan sırılama uygulandı, '
+      sorted_no: 'Sıralama uygulanmadı, '
+      sorting_disabled: 'sıralama devre dışı'
+      activate_asc: 'artan sıralamı uygulamak için etkinleştir'
+      activate_dsc: 'azalan sıralama uygulamak için etkinleştir'
+      activate_no: 'sıralamayı kaldırmak için etkinleştir'
+    text_work_packages_destroy_confirmation: "Seçilen çalışma paket(ler) ini silmek istediğinizden emin misiniz?"
+    text_query_destroy_confirmation: "Seçilen görünümü silmek istediğinizden emin misiniz?"
+    text_attachment_destroy_confirmation: "Eki silmek istediğinizden emin misiniz?"
     timelines:
-      quarter_label: ''
-      gantt_chart: ''
+      quarter_label: 'Ç%{quarter_number}'
+      gantt_chart: 'Gantt görünümü'
       labels:
-        title: ''
-        bar: ''
-        left: ''
-        right: ''
-        farRight: ''
-        showNone: ''
+        title: 'Etiket yapılandırma'
+        bar: 'Çubuk etiketleri'
+        left: 'Sol'
+        right: 'Sağ'
+        farRight: 'Uzak sağ'
+        showNone: '-- Etiketsiz --'
         description: >
-
-      button_activate: ''
-      button_deactivate: ''
-      cancel:
-      change: ""
-      due_date: ""
-      empty: ""
-      error: ""
+          Gantt görünümünde ilgili pozisyonlarda her zaman gösterilmesini istediğiniz öznitelikleri seçin. Bir elementin üzerine geldiğinizde onun özellikleri yerine etiketinin görüneceğini unutmayın.
+      button_activate: 'İş-Zaman çizelgesi göster'
+      button_deactivate: 'İş-Zaman çizelgesi gizle.'
+      cancel: İptal etmek
+      change: "Planlama değişikliği"
+      due_date: "Bitiş tarihi"
+      empty: "(boş)"
+      error: "Bir hata oluştu."
       errors:
-        not_implemented: ""
-        report_comparison: ""
-        report_epicfail: ""
-        report_timeout: ""
+        not_implemented: "Zaman çizelgesi, henüz uygulanmayan bir özellik kullandığından oluşturulamadı."
+        report_comparison: "Zaman çizelgesi, yapılandırılmış karşılaştırmaları işleyemedi. Lütfen konfigürasyonda uygun bölümü kontrol edin, bu sorunu sıfırlamak, bu sorunu çözmenize yardımcı olabilir."
+        report_epicfail: "Beklenmeyen bir hata nedeniyle zaman çizelgesi yüklenemedi."
+        report_timeout: "Zaman çizelgesi makul bir süre içinde yüklenemedi."
       filter:
-        grouping_other: ""
-        noneSelection: ""
-      name: ""
-      outline: ""
+        grouping_other: "Diğer"
+        noneSelection: "(yok)"
+      name: "İsim"
+      outline: "Anahat Sıfırla"
       outlines:
-        aggregation: ""
-        level1: ""
-        level2: ""
-        level3: ""
-        level4: ""
-        level5: ""
-        all: ""
-      project_status: ""
-      really_close_dialog: ""
-      responsible: ""
-      save:
-      start_date: ""
-      tooManyProjects: ""
+        aggregation: "Sadece toplu gösterimler"
+        level1: "Düzey 1 genişletin"
+        level2: "Düzey 2 genişletin"
+        level3: "Düzey 3 genişletin"
+        level4: "Seviye 4 genişletin"
+        level5: "Seviye 5 genişletin"
+        all: "Tümünü göster"
+      project_status: "Proje Durumu"
+      really_close_dialog: "Pencerenin kapanmasını ve girilen verilerinizin kaybolmasını istiyor musunuz?"
+      responsible: "Sorumlu"
+      save: Kaydet
+      start_date: "Başlangıç tarihi"
+      tooManyProjects: "%{count} saysından çok proje mevcut. Lütfen daha iyi bir filtre kullanın!"
       selection_mode:
-        notification: ''
+        notification: 'İlişki oluşturmak için vurgulanan bir iş paket''ine tıklayın. İptal etmek için escape tuşuna basın.'
       zoom:
-        in: ""
-        out: ""
-        auto: ""
-        days: ""
-        weeks: ""
-        months: ""
-        quarters: ""
-        years: ""
-        slider: ""
+        in: "Yakınlaştır"
+        out: "Uzaklaştır"
+        auto: "Otomatik yakınlaştırma"
+        days: "Gün"
+        weeks: "Hafta"
+        months: "Ay"
+        quarters: "Üç aylık"
+        years: "Yıl"
+        slider: "Yakınlaştırma kaydırıcısı"
         description: >
-
+          Otomatik zoom mevcut olmadığında gösterilmesi gereken ilk yakınlaştırma seviyesini seçin.
     tl_toolbar:
-      zooms: ""
-      outlines: ""
+      zooms: "Yakınlaştırma düzeyi"
+      outlines: "Hiyerarşi düzeyi"
     upsale:
-      ee_only: ''
+      ee_only: 'Enterprise Edition özelliği'
     wiki_formatting:
-      strong: ""
-      italic: ""
-      underline: ""
-      deleted: ""
-      code: ""
-      heading1: ""
-      heading2: ""
-      heading3: ""
-      unordered_list: ""
-      ordered_list: ""
-      quote: ""
-      unquote: ""
-      preformatted_text: ""
-      wiki_link: ""
-      image: ""
+      strong: "Kalın"
+      italic: "İtalik"
+      underline: "Altı çizili"
+      deleted: "Silinmiş"
+      code: "Satır içi Kod"
+      heading1: "Başlık 1"
+      heading2: "Başlık 2"
+      heading3: "Başlık 3"
+      unordered_list: "Sırasız liste"
+      ordered_list: "Sıralı Liste"
+      quote: "Alıntı"
+      unquote: "Tırnağı kapat"
+      preformatted_text: "Önceden biçimlendirilmiş metin"
+      wiki_link: "Bir Wiki sayfasına bağlantı"
+      image: "Görsel"
     work_packages:
       bulk_actions:
-        move: ''
-        edit: ''
-        copy: ''
-        delete: ''
-      button_clear: ""
-      comment_added: ""
-      comment_send_failed: ""
-      comment_updated: ""
-      confirm_edit_cancel: ""
-      description_filter: ""
-      description_enter_text: ""
-      description_options_hide: ""
-      description_options_show: ""
-      edit_attribute: ""
-      key_value: ""
-      label_enable_multi_select: ""
-      label_disable_multi_select: ""
-      label_filter_add: ""
-      label_filter_by_text: ""
-      label_options: ""
-      label_column_multiselect: ""
-      message_error_during_bulk_delete:
-      message_successful_bulk_delete:
-      message_successful_show_in_fullscreen: ""
-      message_view_spent_time: ""
-      message_work_package_read_only: ""
-      message_work_package_status_blocked: ""
-      placeholder_filter_by_text: ""
+        move: 'Projenin toplu değişimi'
+        edit: 'Toplu düzenle'
+        copy: 'Toplu kopyala'
+        delete: 'Toplu silme'
+      button_clear: "Temizle"
+      comment_added: "Yorum başarıyla eklendi."
+      comment_send_failed: "Bir hata oluştu. Yorum gönderilemedi."
+      comment_updated: "Yorum başarıyla güncelleştirildi."
+      confirm_edit_cancel: "İş paketini düzenlemeyi iptal etmek istediğinizden emin misiniz?"
+      description_filter: "Filtre"
+      description_enter_text: "Metin girin"
+      description_options_hide: "Seçenekleri gizle"
+      description_options_show: "Seçenekleri göster"
+      edit_attribute: "%{attribute} - Düzenle"
+      key_value: "%{key}: %{value}"
+      label_enable_multi_select: "Çoklu seçimi etkinleştir"
+      label_disable_multi_select: "Çoklu seçimi devre dışı bırak"
+      label_filter_add: "Filtre ekle"
+      label_filter_by_text: "Metne göre filtrele"
+      label_options: "Ayarlar"
+      label_column_multiselect: "Birleştirilmiş aşağı açılan alan: ok tuşlarıyla seçin, seçimi enter ile onaylayın, backspace ile silme"
+      message_error_during_bulk_delete: İş paketleri silinmeye çalışılırken bir hata oluştu.
+      message_successful_bulk_delete: İş paketleri başarıyla silindi.
+      message_successful_show_in_fullscreen: "Bu iş paketini tam ekran görebilmek için buraya tıklayın."
+      message_view_spent_time: "Bu iş paketi için harcanan zamanı göster"
+      message_work_package_read_only: "İş paketi bu durum içinde kilitli. Durumu haricinde başka bir özelliği değiştirilemez."
+      message_work_package_status_blocked: "İş paketi durumu, kapalı durum ve kapalı sürüm tahsis edildiğinden dolayı yazılamaz."
+      placeholder_filter_by_text: "Konu, açıklama, yorumlar, ..."
       inline_create:
-        title: ''
+        title: 'Listeden yeni bir iş paketi eklemek için buraya tıklayınız'
       create:
-        title: ''
-        header: ''
-        header_no_type: ''
-        header_with_parent: ''
-        button: ''
+        title: 'Yeni iş paketi'
+        header: 'Yeni %{type}'
+        header_no_type: 'Yeni iş paketi (türü henüz ayarlanmadı)'
+        header_with_parent: 'Yeni %{type} (%{parent_type} #%{id} altında)'
+        button: 'Oluştur'
       copy:
-        title: ''
+        title: 'İş paketini kopyala'
       hierarchy:
-        show: ""
-        hide: ""
-        toggle_button: ''
-        leaf: ''
-        children_collapsed: ''
-        children_expanded: ''
+        show: "Hiyerarşiyi göster"
+        hide: "Hiyerarşiyi gizle"
+        toggle_button: 'Hiyerarşi moduna geçiş yapmak için tıklatın.'
+        leaf: 'İş paketi seviyesi: %{level}.'
+        children_collapsed: 'Hiyerarşi düzeyi %{level}, gösterilmiyor. Filitreli alt bileşenleri görmek için tıklayın'
+        children_expanded: 'Hiyerarşi düzeyi %{level}, gösteriliyor. Filitreli alt bileşenleri gizlemek için tıklayın'
       faulty_query:
-        title:
-        description:
+        title: İş paketleri yüklenemiyor.
+        description: Görüşün hatalı ve işlenemedi.
       no_results:
-        title:
-        description:
-      limited_results:
+        title: Görüntülecek bir iş paketi bulunmuyor.
+        description: Ya hiç iş paketi oluşturulmamış, ya da tüm iş paketeri filtrelenmiş.
+      limited_results: Only %{count} work packages can be shown in manual sorting mode. Please reduce the results by filtering, or switch to automatic sorting.
       property_groups:
-        details: ""
-        people: ""
-        estimatesAndTime: ""
-        other: ""
+        details: "Detaylar"
+        people: "Kişiler"
+        estimatesAndTime: "Tahminler & zaman"
+        other: "Diğer"
       properties:
-        assignee: ""
-        author: ""
-        createdAt: ""
-        description: ""
-        date: ""
-        dueDate: ""
-        estimatedTime: ""
-        spentTime: ""
-        category: ""
-        percentageDone: ""
-        priority: ""
-        projectName: ""
-        responsible: ""
-        startDate: ""
-        status: ""
-        subject: ""
-        subproject: ""
-        title: ""
-        type: ""
-        updatedAt: ""
-        versionName: ""
-        version: ""
+        assignee: "Atanan"
+        author: "Sahibi"
+        createdAt: "Oluşturma tarihi"
+        description: "Açıklama"
+        date: "Tarih"
+        dueDate: "Bitiş tarihi"
+        estimatedTime: "Tahmini süre"
+        spentTime: "Harcanan zaman"
+        category: "Kategori"
+        percentageDone: "Tamamlanan yüzde"
+        priority: "Öncelik"
+        projectName: "Proje"
+        responsible: "Sorumlu"
+        startDate: "Başlangıç tarihi"
+        status: "Durum"
+        subject: "Konu"
+        subproject: "Alt proje"
+        title: "Başlık"
+        type: "Tür"
+        updatedAt: "Güncelleme tarihi"
+        versionName: "Sürüm"
+        version: "Sürüm"
       default_queries:
-        latest_activity: ""
-        created_by_me: ""
-        assigned_to_me: ""
-        recently_created: ""
-        all_open: ""
-        summary: ""
+        latest_activity: "En son etkinlik"
+        created_by_me: "Benim oluşturduklarım"
+        assigned_to_me: "Bana atananlar"
+        recently_created: "Son oluşturulanlar"
+        all_open: "Tüm açık"
+        summary: "Özet"
       jump_marks:
-        pagination: ""
-        label_pagination: ""
-        content: ""
-        label_content: ""
+        pagination: "Tablo numaralandırmaya yönlendir"
+        label_pagination: "İş paketleri tablosuna geçiş yapmak ve numaralandırma sayfasına gitmek için buraya tıklayın"
+        content: "İçeriğe git"
+        label_content: "Menüyü geçerek içeriği görmek için tıklayın"
       placeholders:
-        default: ""
-        date: ""
-        formattable: ""
+        default: "-"
+        date: "Tarih seçin"
+        formattable: "%{name}: Düzenlemek için tıklayın ..."
       query:
-        column_names: ""
-        group_by: ""
-        group: ""
-        group_by_disabled_by_hierarchy: ""
-        hierarchy_disabled_by_group_by: ""
-        sort_ascending: ""
-        sort_descending: ""
-        move_column_left: ""
-        move_column_right: ""
-        hide_column: ""
-        insert_columns: ""
-        filters: ""
-        display_sums: ""
-        confirm_edit_cancel: ""
-        click_to_edit_query_name: ""
-        rename_query_placeholder: ""
-        star_text: ""
+        column_names: "Sütunlar"
+        group_by: "Sonuçları grupla"
+        group: "Grupla"
+        group_by_disabled_by_hierarchy: "Hiyerarşi durumu etkin olduğundan Gruplama özelliği devre dışı."
+        hierarchy_disabled_by_group_by: "Sonuşlar %{column} sütununa göre gruplandığından, hiyerarşi modu devre dışı."
+        sort_ascending: "Artan sırala"
+        sort_descending: "Azalan sırala"
+        move_column_left: "Sütunu sola taşı"
+        move_column_right: "Sütunu sağa taşı"
+        hide_column: "Sütunu gizle"
+        insert_columns: "Sütun ekle ..."
+        filters: "Filtreler"
+        display_sums: "Toplamları görüntüle"
+        confirm_edit_cancel: "Bu görünümün adını düzenlemeyi iptal etmek istediğinizden emin misiniz? Başlık önceki değere ayarlanacaktır."
+        click_to_edit_query_name: "Bu görünümün başlığını düzenlemek için tıklayın."
+        rename_query_placeholder: "Bu görünümüm adı"
+        star_text: "Bu görünümü favori olarak işaretleyin ve soldaki kaydedilmiş görünümler kenar çubuğuna ekleyin."
         public_text: >
-
+          Diğer kullanıcıların görünümünüze erişmesine izin vererek bu görünümü yayınlayın. 'Genel görünümleri yönet' iznine sahip kullanıcılar genel sorguyu değiştirebilir veya kaldırabilir. Bu, iş paketi sonuçlarının görünürlüğünü bu görünümde etkilemez ve izinlerine bağlı olarak, kullanıcılar farklı sonuçlar görebilir.
         errors:
-          unretrievable_query: ""
-          not_found: ""
-          duplicate_query_title: ""
-        text_no_results: ""
+          unretrievable_query: "URL’den görünüm alınamadı"
+          not_found: "Böyle bir görünüm bulunmamakta"
+          duplicate_query_title: "Bu isimde bir görünüm var. Yinede devam edilsin mi?"
+        text_no_results: "Eşleşen görünüm bulunamadı."
       scheduling:
-        is_parent: ""
-        is_switched_from_manual_to_automatic: ""
+        is_parent: "Bu çalışma paketinin tarihleri otomatik olarak çocuklarından çıkarılır. Tarihleri ayarlamak için 'Manuel zamanlama'yı etkinleştirin."
+        is_switched_from_manual_to_automatic: "Bu çalışma paketinin tarihlerinin, diğer çalışma paketleriyle olan ilişkiler nedeniyle manuelden otomatik zamanlamaya geçtikten sonra yeniden hesaplanması gerekebilir."
       table:
-        configure_button: ''
-        summary: ""
-        text_inline_edit: ""
-        text_sort_hint: ""
-        text_select_hint: ""
+        configure_button: 'İş paketi tablosunu kopyala'
+        summary: "İş paketi satır tabloları ve iş paketi nitelik sütunları."
+        text_inline_edit: "Bu tablodaki çoğu hücre o öznitelikteki satır içi düzenleme işlevselliğini etkinleşirme düğmeleridir."
+        text_sort_hint: "Tablo başlığındaki bağlantılardan tablo sütunlarını sırayalabilir, gruplayabilir, yeniden düzenleyebilir, silebilir ya da ekleyebilirsiniz."
+        text_select_hint: "Seçim kutuları 'ALT' ve ok tuşları ile açılmalıdır."
       table_configuration:
-        button: ''
-        choose_display_mode: ''
-        modal_title: ''
-        embedded_tab_disabled: ""
-        default: ""
-        display_settings: ''
-        default_mode: ""
-        hierarchy_mode: ""
-        hierarchy_hint: ""
-        display_sums_hint: ""
-        show_timeline_hint: ""
-        highlighting: ''
+        button: 'Bu iş paketi tablosunu yapılandır'
+        choose_display_mode: 'İş paketlerini farklı olarak göster'
+        modal_title: 'İş paketi tablosu yapılandırma'
+        embedded_tab_disabled: "Bu yapılandırma sekmesi, düzenlemekte olduğunuz katıştırılmış görünüm için kullanılamaz."
+        default: "varsayılan"
+        display_settings: 'Görünüm ayarları'
+        default_mode: "Düz liste"
+        hierarchy_mode: "Hiyerarşi"
+        hierarchy_hint: "Filtrelenen tüm tablo sonuçları atalarıyla artırılacaktır. Hiyerarşiler genişletilebilir ve daraltılabilir."
+        display_sums_hint: "Tüm toplanabilir özelliklerin toplamlarını, tablonun sonuçlarının altındaki bir satırda görüntüleyin."
+        show_timeline_hint: "Tablonun sağ tarafında etkileşimli bir gantt grafiği göster. Tablo ve gantt tablosu arasındaki bölücüyü sürükleyerek genişliğini değiştirebilirsiniz."
+        highlighting: 'Vurgulama'
         highlighting_mode:
-          description: ""
-          none: ""
-          inline: ''
-          inline_all: ''
-          entire_row_by: ''
-          status: ''
-          priority: ''
-          type: ''
+          description: "Rekle vurgula"
+          none: "Vurgulama"
+          inline: 'Vurgulanan öznitelik(ler)'
+          inline_all: 'Tüm öznitelikler'
+          entire_row_by: 'Tüm satır tarafından'
+          status: 'Durum'
+          priority: 'Öncelik'
+          type: 'Tür'
         sorting_mode:
-          description: ''
-          automatic: ''
-          manually: ''
-          warning: ''
-        columns_help_text: ""
+          description: 'İş paketlerinizi sıralamak için modu seçin:'
+          automatic: 'Otomatik'
+          manually: 'el ile'
+          warning: 'Otomatik sıralama modunu etkinleştirirken önceki sıralamanızı kaybedeceksiniz.'
+        columns_help_text: "Tablo görünümünüze sütun eklemek için yukarıdaki giriş alanını kullanın. Sütunları yeniden sıralamak için sürükleyip bırakabilirsiniz."
         upsale:
-          attribute_highlighting: ''
-          relation_columns: ''
-          check_out_link: ''
+          attribute_highlighting: 'Kitleden sıyrılmak için bazı iş paketlerine mi ihtiyacınız var?'
+          relation_columns: 'İş paketleri listesindeki ilişkileri görmek ister misiniz?'
+          check_out_link: 'Enterprise sürüme bakın.'
         relation_filters:
-          filter_work_packages_by_relation_type: ''
+          filter_work_packages_by_relation_type: 'İş paketlerini ilişki türüne göre filtreleme'
       tabs:
-        overview:
-        activity:
-        relations:
-        watchers:
-        attachments:
+        overview: Genel Bakış
+        activity: Etkinlik
+        relations: İlişkiler
+        watchers: Takip Edenler
+        files: Dosyalar
       time_relative:
-        days: ""
-        weeks: ""
-        months: ""
+        days: "gün"
+        weeks: "hafta"
+        months: "ay"
     toolbar:
       settings:
-        configure_view: ""
-        columns: ""
-        sort_by: ""
-        group_by: ""
-        display_sums: ""
-        display_hierarchy: ""
-        hide_hierarchy: ""
-        hide_sums: ""
-        save: ""
-        save_as: ""
-        export: ""
-        visibility_settings: ""
-        page_settings: ""
-        delete: ""
-      filter: ""
-      unselected_title: ""
-      search_query_label: ""
-      search_query_title: ""
-      placeholder_query_title: ""
+        configure_view: "Görünümü yapılandır ..."
+        columns: "Sütunlar ..."
+        sort_by: "Şuna göre sırala ..."
+        group_by: "Gruplandır..."
+        display_sums: "Toplamları görüntüle"
+        display_hierarchy: "Hiyerarşiyi göster"
+        hide_hierarchy: "Hiyerarşiyi gizle"
+        hide_sums: "Toplamları gizle"
+        save: "Kaydet"
+        save_as: "Farklı kaydet ..."
+        export: "Dışa aktar ..."
+        visibility_settings: "Görünürlük ayarları ..."
+        page_settings: "Görünümü yeniden adlandır ..."
+        delete: "Sil"
+      filter: "Filtre"
+      unselected_title: "İş paketi"
+      search_query_label: "Kayıtlı görünümleri ara"
+      search_query_title: "Kayıtlı görünümleri aramak için tıklayın"
+      placeholder_query_title: "Bu görünüm için bir başlık belirleyin"
     modals:
-      label_settings: ""
-      label_name: ""
-      label_delete_page: ""
-      button_apply: ""
-      button_save: ""
-      button_submit: ""
-      button_cancel: ""
+      label_settings: "Görünümü yeniden isimlendir"
+      label_name: "İsim"
+      label_delete_page: "Şu anki sayfayı sil"
+      button_apply: "Uygula"
+      button_save: "Kaydet"
+      button_submit: "Gönder"
+      button_cancel: "İptal etmek"
       form_submit:
-        title: ''
-        text: ''
+        title: 'Devam etmek için onaylayın'
+        text: 'Bu işlemi gerçekleştirmek istediğinizden emin misiniz?'
       destroy_work_package:
-        title: ""
-        text: ""
-        has_children: ""
-        confirm_deletion_children: ""
-        deletes_children: ""
+        title: "%{label} için silme işlimini onaylayın"
+        text: "%{label} silinecek. Emin misiniz?"
+        has_children: "İş paketi %{childUnits} alt paketlerine sahip:"
+        confirm_deletion_children: "Listelenen iş paketlerinin TÜM soylarının tekrar tekrar kaldırılacağını kabul ediyorum."
+        deletes_children: "Tüm çocuk iş paketleri ve torunları da tekrar tekrar silinir."
       destroy_time_entry:
-        title: ""
-        text: ""
-    notice_no_results_to_display: ""
-    notice_successful_create: ""
-    notice_successful_delete: ""
-    notice_successful_update: ""
-    notice_job_started: ""
-    notice_bad_request: ""
+        title: "Zaman girişinin silinmesini onaylayın"
+        text: "Aşağıdaki zaman girişini silmek istediğinizden emin misiniz?"
+    notice_no_results_to_display: "Gösterilecek görünür bir sonuç yok."
+    notice_successful_create: "Oluşturma başarılı."
+    notice_successful_delete: "Silme başarılı."
+    notice_successful_update: "Güncelleme başarılı."
+    notice_job_started: "görev başlatıldı."
+    notice_bad_request: "Hatalı istek."
     relations:
-      empty:
-      remove:
+      empty: İlişki bulunmuyor
+      remove: İlişkiyi kaldır
     inplace:
-      button_edit: ""
-      button_save: ""
-      button_cancel: ""
-      button_save_all: ""
-      button_cancel_all: ""
-      link_formatting_help: ""
-      btn_preview_enable: ""
-      btn_preview_disable: ""
-      null_value_label: ""
-      clear_value_label: ""
+      button_edit: "%{attribute}: Düzenle"
+      button_save: "%{attribute}: Kaydet"
+      button_cancel: "%{attribute}: İptal"
+      button_save_all: "Kaydet"
+      button_cancel_all: "İptal etmek"
+      link_formatting_help: "Metin biçimlendirme yardım"
+      btn_preview_enable: "Ön İzleme"
+      btn_preview_disable: "Öngörüntülemeyi devre dışı bırak"
+      null_value_label: "Değer yok"
+      clear_value_label: "-"
       errors:
-        required: ''
-        number: ''
-        maxlength: ''
-        minlength: ''
-        messages_on_field: ''
-    error_could_not_resolve_version_name: ""
-    error_could_not_resolve_user_name: ""
-    error_attachment_upload: ""
-    error_attachment_upload_permission: ""
+        required: '%{field} boş bırakılamaz'
+        number: '%{field} geçerli bir sayı değil'
+        maxlength: '%{field} %{maxLength} karakter(lerin) den fazla karakter içeremez'
+        minlength: '%{field} %{minLength} karakter(lerin) den az karakter içeremez'
+        messages_on_field: 'Bu alan geçersiz: %{messages}'
+    error_could_not_resolve_version_name: "Sürüm adı çözümlenemedi"
+    error_could_not_resolve_user_name: "Kullanıcı adı çözümlenemedi"
+    error_attachment_upload: "Dosya yüklenemedi: %{error}"
+    error_attachment_upload_permission: "Bu kaynakta dosya yüklemek için izniniz bulunmamaktadır."
     units:
       workPackage:
-        one: ""
-        other: ""
+        one: "iş paketleri"
+        other: "iş paketleri"
       child_work_packages:
-        one: ""
-        other: ""
+        one: "bir alt iş paketi"
+        other: "%{count} alt iş paketi"
       hour:
-        one: ""
-        other: ""
-        zero: ""
+        one: "1 saat"
+        other: "%{count} saat"
+        zero: "0 s"
     zen_mode:
-      button_activate: ''
-      button_deactivate: ''
+      button_activate: 'Zen modunu etkinleştir'
+      button_deactivate: 'Zen modunu devre dışı bırak'
     global_search:
-      all_projects: ""
-      search: ""
-      close_search: ""
-      current_project: ""
-      current_project_and_all_descendants: ""
+      all_projects: "Tüm projelerde"
+      search: "Ara"
+      close_search: "Aramayı kapat"
+      current_project: "Bu projede"
+      current_project_and_all_descendants: "Bu projede + alt projelerde"
       title:
-        all_projects: ""
-        project_and_subprojects: ""
-        search_for: ""
+        all_projects: "tüm projeler"
+        project_and_subprojects: "ve tüm alt projeler"
+        search_for: "Aramak"
     views:
-      card: ''
-      list: ''
-      timeline: ''
+      card: 'Kartlar'
+      list: 'tablo'
+      timeline: 'Gantt'
     invite_user_modal:
-      back: ''
-      invite: ''
+      back: 'Geri'
+      invite: 'Davet et'
       title:
-        invite: ''
-        invite_to_project: ''
-        User: ''
-        Group: ''
-        PlaceholderUser: ''
-        invite_principal_to_project: ''
+        invite: 'Kullanıcı davet et'
+        invite_to_project: '%{type} ''ı %{project} projesine davet edin'
+        User: 'Kullanıcılar'
+        Group: 'Grup'
+        PlaceholderUser: 'Yer tutucu kullanıcılar'
+        invite_principal_to_project: "%{principal} 'i %{project} projesine davet edin\n"
       project:
-        label: ''
-        required: ''
-        lacking_permission: ''
-        lacking_permission_info: ''
-        next_button: ''
-        no_results: ''
-        no_invite_rights: ''
+        label: 'Proje'
+        required: 'Lütfen bir proje seçin'
+        lacking_permission: 'Şu anda seçili olan projeye kişiler atama izniniz olmadığından lütfen başka bir proje seçin.'
+        lacking_permission_info: 'Şu anda içinde olduğunuz projeye kullanıcılar atama izniniz yok. Başka bir tane seçmeniz gerekli.'
+        next_button: 'Sonraki'
+        no_results: 'Hiç proje bulunamadı'
+        no_invite_rights: 'Bu projeye üye davet etme izniniz yok'
       type:
-        required: ''
+        required: 'Lütfen davet edilecek türü seçin'
         user:
-          title: ''
-          description: ''
+          title: 'Kullanıcı'
+          description: 'Seçilen projede atanan role dayalı izinler'
         group:
-          title: ''
-          description: ''
+          title: 'Grup'
+          description: 'Seçilen projede atanan role dayalı izinler'
         placeholder:
-          title: ''
-          title_no_ee: ''
-          description: ''
-          description_no_ee: ''
+          title: 'Yer tutucu kullanıcı'
+          title_no_ee: 'Yer tutucu kullanıcı (yalnızca Enterprise Edition özelliği)'
+          description: 'Projeye erişimi yoktur ve e-posta gönderilmez.'
+          description_no_ee: 'Projeye erişimi yoktur ve e-posta gönderilmez. <br> <a href="%{eeHref}" target="_blank"> Enterprise Edition </a> ''a göz atın'
       principal:
         label:
-          name_or_email: ''
-          name: ''
-        already_member_message: ''
-        no_results_user: ''
-        invite_user: ''
-        no_results_placeholder: ''
-        create_new_placeholder: ''
-        no_results_group: ''
-        next_button: ''
+          name_or_email: 'İsim veya e-posta adresi'
+          name: 'İsim'
+        already_member_message: 'Zaten %{project} üyesi'
+        no_results_user: 'Hiçbir kullanıcı bulunamadı'
+        invite_user: 'Davet et'
+        no_results_placeholder: 'Hiçbir yer bulunamadı.'
+        create_new_placeholder: 'Yeni yer tutucu oluşturun:'
+        no_results_group: 'Hiç grup bulunamadı.'
+        next_button: 'Sonraki'
         required:
-          user: ''
-          placeholder: ''
-          group: ''
+          user: 'Lütfen bir kullanıcı seçin'
+          placeholder: 'Lütfen bir yer tutucu seçin'
+          group: 'Lütfen bir grup seçin'
       role:
-        label: ''
-        no_roles_found: ''
-        description: ''
-        required: ''
-        next_button: ''
+        label: 'rol %{project}'
+        no_roles_found: 'Hiç rol bulunamadı.'
+        description: 'Bu, %{principal} projenize katıldığı zaman alacağı roldür. Bu rol hangi eylemleri gerçekleştirebileceklerini ve hangi bilgileri görebileceklerini belirler. <a href="https://docs.openproject.org/system-admin-guide/users-permissions/roles-permissions/#roles-and-permissions" target="_blank">Roller ve izinler hakkında daha fazla bilgi edinin. </a>'
+        required: 'Lütfen bir rol seçin.'
+        next_button: 'Sonraki'
       message:
-        label: ''
-        description: ''
-        next_button: ''
+        label: 'Davet Mesajı'
+        description: '%{principal} adresine burada kişisel bir mesaj ekleyebileceğiniz bir e-posta göndereceğiz. Davet için bir açıklama yararlı olabilir ya da başlamalarına yardımcı olmak için projeyle ilgili biraz bilgi olabilir.'
+        next_button: 'Daveti incele'
       summary:
-        next_button: ''
+        next_button: 'Davet gönder'
       success:
-        title: ''
+        title: '%{principal} davet edildi!'
         description:
-          user: ''
-          placeholder: ''
-          group: ''
-        next_button: ''
+          user: 'Kullanıcı artık %{project} ''e erişmek için oturum açabilir. Bu arada, o kullanıcıyla zaten plan yapabilir ve örneğin iş paketleri atayabilirsiniz.'
+          placeholder: 'Kullanıcı artık %{project} ''e erişmek için oturum açabilir. Bu arada, o kullanıcıyla zaten plan yapabilir ve örneğin iş paketleri atayabilirsiniz.'
+          group: 'Grup artık %{project} ''nin bir parçası. Bu arada, bu grupla zaten plan yapabilir ve örneğin iş paketleri atayabilirsiniz.'
+        next_button: 'Devam et'
     include_projects:
-      toggle_title: ''
-      title: ''
-      clear_selection: ''
-      apply: ''
+      toggle_title: 'Include Projects'
+      title: 'Projeler'
+      clear_selection: 'Clear selection'
+      apply: 'Uygula'
       selected_filter:
-        all: ''
-        selected: ''
-      search_placeholder: ''
+        all: 'Tüm projeler'
+        selected: 'Only selected'
+      search_placeholder: 'Search project...'
     forms:
-      submit_success_message: ''
-      load_error_message: ''
-      validation_error_message: ''
-      advanced_settings: ''
+      submit_success_message: 'Form başarıyla gönderildi'
+      load_error_message: 'Form yüklenirken bir hata oluştu'
+      validation_error_message: 'ütfen formda bulunan hataları düzeltin'
+      advanced_settings: 'Gelişmiş ayarlar'
+    spot:
+      filter_chip:
+        remove: 'Kaldır'
+      drop_modal:
+        Close: 'Kapat'
diff --git a/config/locales/crowdin/js-uk.yml b/config/locales/crowdin/js-uk.yml
index b996b2999e..1ca0c43a7c 100644
--- a/config/locales/crowdin/js-uk.yml
+++ b/config/locales/crowdin/js-uk.yml
@@ -22,1157 +22,1170 @@
 uk:
   js:
     ajax:
-      hide: ""
-      loading: ""
+      hide: "Приховати"
+      loading: "Завантаження ..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
-
+        Перетягніть поле редактора, щоб вбудувати зображення або вкладені посилання. Закриті поля редактора будуть відкриті, коли ви продовжуватимете перетягувати.
     autocomplete_select:
       placeholder:
-        multi: ""
-        single: ""
-      remove: ""
-      active: ""
+        multi: "Додати %{name}"
+        single: "Виберіть %{name}"
+      remove: "Видалити %{name}"
+      active: "Активувати %{label} %{name}"
     backup:
-      attachments_disabled:
+      attachments_disabled: Вкладення можуть бути не включені, оскільки вони перевищують загальний максимально дозволений розмір. Ви можете змінити це в налаштуваннях (потрібен перезапуск сервера).
       info: >
-
+        Тут можна почати створення резервної копії. Це може зайняти деякий час залежно від кількості даних (особливо вкладених). Ви отримаєте електронний лист, коли резервна копія буде готова.
       note: >
-
-      last_backup:
-      last_backup_from:
-      title:
-      options:
-      include_attachments:
-      download_backup:
-      request_backup:
-    close_popup_title: ""
-    close_filter_title: ""
-    close_form_title: ""
-    button_add_watcher: ""
-    button_add: ""
-    button_back: ""
-    button_back_to_list_view: ""
-    button_cancel: ""
-    button_close: ""
-    button_change_project: ""
-    button_check_all: ""
-    button_configure-form: ""
-    button_confirm: ""
-    button_continue: ""
-    button_copy: ""
-    button_copy_to_other_project: ""
-    button_custom-fields: ""
-    button_delete: ""
-    button_delete_watcher: ""
-    button_details_view: ""
-    button_duplicate: ""
-    button_edit: ""
-    button_filter: ""
-    button_collapse_all: ""
-    button_expand_all: ""
-    button_advanced_filter: ""
-    button_list_view: ""
-    button_show_view: ""
-    button_log_time: ""
-    button_more: ""
-    button_open_details: ""
-    button_close_details: ""
-    button_open_fullscreen: ""
-    button_show_cards: ""
-    button_show_list: ""
-    button_quote: ""
-    button_save: ""
-    button_settings: ""
-    button_uncheck_all: ""
-    button_update: ""
-    button_export-pdf: ""
-    button_export-atom: ""
-    button_create: ""
+        Нова резервна копія замінить будь-яку попередню. Можна створити лише обмежену кількість резервних копій на день.
+      last_backup: Остання резервна копія
+      last_backup_from: 'Остання резервна копія:'
+      title: Резервне копіювання OpenProject
+      options: Опції
+      include_attachments: Включити вкладення
+      download_backup: Завантажити резервну копію
+      request_backup: Створити резервну копію
+    close_popup_title: "Закрити вспливаюче вікно"
+    close_filter_title: "Закрити фільтр"
+    close_form_title: "Закрити форму"
+    button_add_watcher: "Додати спостерігача"
+    button_add: "Додати"
+    button_back: "Назад"
+    button_back_to_list_view: "Повернутися до списку"
+    button_cancel: "Скасувати"
+    button_close: "Закрити"
+    button_change_project: "Змінити проект"
+    button_check_all: "Перевірити все"
+    button_configure-form: "Налаштуйте форму"
+    button_confirm: "Підтвердити"
+    button_continue: "Продовжити"
+    button_copy: "Копіювати"
+    button_copy_to_other_project: "Копіювати в інший проєкт"
+    button_custom-fields: "Індивідуальні поля"
+    button_delete: "Видалити"
+    button_delete_watcher: "Видалити спостерігача"
+    button_details_view: "Докладне подання"
+    button_duplicate: "Дублювати"
+    button_edit: "Редагувати"
+    button_filter: "Фільтр"
+    button_collapse_all: "Згорнути все"
+    button_expand_all: "Розгорнути все"
+    button_advanced_filter: "Розширений фільтр"
+    button_list_view: "Подання списком"
+    button_show_view: "Повноекранний режим"
+    button_log_time: "Час журналу"
+    button_more: "Більше"
+    button_open_details: "Відкрити докладне подання"
+    button_close_details: "Закрити подання деталей"
+    button_open_fullscreen: "Відкрити на весь екран"
+    button_show_cards: "Показати подання картки"
+    button_show_list: "Показати подання списку"
+    button_quote: "Цитата"
+    button_save: "Зберегти"
+    button_settings: "Налаштування"
+    button_uncheck_all: "Зняти усі відмітки"
+    button_update: "Оновити"
+    button_export-pdf: "Завантажити PDF"
+    button_export-atom: "Завантажити Atom"
+    button_create: "Створити"
     card:
-      add_new: ''
+      add_new: 'Додати нову картку'
       highlighting:
-        inline: ''
-        entire_card_by: ''
-      remove_from_list: ''
-    caption_rate_history: ""
+        inline: 'Виділіть у рядку:'
+        entire_card_by: 'Пов''язана картка'
+      remove_from_list: 'Вилучити зі списку'
+    caption_rate_history: "Історія рейтингу"
     clipboard:
-      browser_error: ""
-      copied_successful: ""
+      browser_error: "Ваш браузер не підтримує копіювання до буфера обміну. Потрібно скопіювати виділений текст вручну."
+      copied_successful: "Скопійовано в буфер обміну!"
     chart:
-      type: ''
-      axis_criteria: ''
-      modal_title: ''
+      type: 'Тип графіка'
+      axis_criteria: 'Умови осі'
+      modal_title: 'Конфігурація діаграми пакетів робіт'
       types:
-        line: ''
-        horizontal_bar: ''
-        bar: ''
-        pie: ''
-        doughnut: ''
-        radar: ''
-        polar_area: ''
+        line: 'Лінія'
+        horizontal_bar: 'Горизонтальна смуга'
+        bar: 'Смуга'
+        pie: 'Кругова'
+        doughnut: 'Пончик'
+        radar: 'Радар'
+        polar_area: 'Полярна зона'
       tabs:
-        graph_settings: ''
-        dataset: ''
+        graph_settings: 'Загальні'
+        dataset: 'Набір даних %{number}'
       errors:
-        could_not_load: ''
-    description_available_columns: ""
-    description_current_position: ""
-    description_select_work_package: ""
-    description_selected_columns: ""
-    description_subwork_package: ""
+        could_not_load: 'Не вдалося завантажити дані для діаграми. Необхідні дозволи можуть бути відсутні.'
+    description_available_columns: "Доступні стовпці"
+    description_current_position: "Ви знаходитесь тут: "
+    description_select_work_package: "Виберіть пакет робіт #%{id}"
+    description_selected_columns: "Вибрані колонки"
+    description_subwork_package: "Нащадок пакету робіт #%{id}"
     editor:
-      preview: ''
-      source_code: ''
-      error_saving_failed: ''
-      ckeditor_error: ''
+      preview: 'Перемкнути режим попереднього перегляду'
+      source_code: 'Увімкнути режим вимкнення Markdown'
+      error_saving_failed: 'Не вдалося зберегти документ із такою помилкою: %{error}'
+      ckeditor_error: 'У CKEditor сталася помилка'
       mode:
-        manual: ''
-        wysiwyg: ''
+        manual: 'Перейдіть до джерела Markdown'
+        wysiwyg: 'Перейти до редактора WYSIWYG'
       macro:
-        error: ''
+        error: 'Неможливо розгорнути макрос: %{message}'
         attribute_reference:
-          macro_help_tooltip: ''
-          not_found: ''
-          invalid_attribute: ""
+          macro_help_tooltip: 'Цей текстовий фрагмент динамічно візуалізується макросом.'
+          not_found: 'Не вдалося знайти потрібний ресурс'
+          invalid_attribute: "Вибраний атрибут «%{name}» не існує."
         child_pages:
-          button: ''
-          include_parent: ''
-          text: ''
-          page: ''
-          this_page: ''
+          button: 'Посилання на дочірні сторінки'
+          include_parent: 'Включити джерела'
+          text: '[Placeholder] Посилання на дочірні сторінки'
+          page: 'Сторінка Wiki'
+          this_page: 'цієї сторінки'
           hint: |
-
+            Залиште це поле порожнім, щоб перерахувати всі дочірні сторінки поточної сторінки. Якщо ви хочете посилатися на іншу сторінку, вкажіть її назву або накладку.
         code_block:
-          button: ''
-          title: ''
-          language: ''
-          language_hint: ''
+          button: 'Вставте фрагмент коду'
+          title: 'Вставити / відредагувати фрагмент коду'
+          language: 'Мова форматування'
+          language_hint: 'Введіть мову форматування, яка буде використана для виділення (якщо підтримується).'
         dropdown:
-          macros: ''
-          chose_macro: ''
-        toc: ''
-        toolbar_help: ''
+          macros: 'Макроси'
+          chose_macro: 'Виберіть макрос'
+        toc: 'Зміст'
+        toolbar_help: 'Натисніть, щоб вибрати віджет і показати панель інструментів. Двічі клацніть, щоб відредагувати віджет'
         wiki_page_include:
-          button: ''
-          text: ''
-          page: ''
-          not_set: ''
+          button: 'Включити вміст іншої вікі-сторінки'
+          text: '[Placeholder] Включена вікі-сторінка'
+          page: 'Сторінка Wiki'
+          not_set: '(Сторінку ще не встановлено)'
           hint: |
-
+            Включіть вміст іншої вікі-сторінки, вказавши її назву або накладку.
+            Ви можете включити вікі-сторінку іншого проекту, розділивши їх двокрапкою, як наведений нижче приклад.
         work_package_button:
-          button: ''
-          type: ''
-          button_style: ''
-          button_style_hint: ''
-          without_type: ''
-          with_type: ''
+          button: 'Вставити кнопку створення робочого пакета'
+          type: 'Тип робочого пакета'
+          button_style: 'Використовуйте стиль кнопки'
+          button_style_hint: 'Необов’язково: позначте пункт Перевірити, щоб макрос відображався як кнопка, а не як посилання.'
+          without_type: 'Створити робочий пакет'
+          with_type: 'Створити робочий пакет (тип: %{typename})'
         embedded_table:
-          button: ''
-          text: ''
+          button: 'Вставити таблицю робочих пакетів'
+          text: '[Placeholder] Вбудована таблиця робочих пакетів'
         embedded_calendar:
-          text: ''
+          text: '[Placeholder] вбудований календар'
     admin:
       type_form:
-        custom_field: ''
-        inactive: ''
-        drag_to_activate: ""
-        add_group: ""
-        add_table: ""
-        edit_query: ''
-        new_group: ''
-        reset_to_defaults: ''
+        custom_field: 'Користувацьке поле'
+        inactive: 'Неактивний'
+        drag_to_activate: "Перетягніть поля звідти, щоб активувати їх"
+        add_group: "Додати групу атрибутів"
+        add_table: "Додати таблицю пов'язаних пакетів робіт"
+        edit_query: 'Редагувати запит'
+        new_group: 'Нова група'
+        reset_to_defaults: 'Скинути на типові значення'
       enterprise:
-        text_reprieve_days_left: ""
-        text_expired: ""
+        text_reprieve_days_left: "Залишок днів до кінця пільгового періоду: %{days}"
+        text_expired: "прострочено"
         trial:
-          confirmation: ""
+          confirmation: "Підтвердження електронної адреси"
           confirmation_info: >
-
+            Ми надіслали вам електронний лист %{date} на адресу %{email}. Перевірте поштову скриньку та перейдіть за відповідним посиланням у листі, щоб почати пробний 14-денний період.
           form:
             general_consent: >
-
-            invalid_email: ""
-            label_company: ""
-            label_first_name: ""
-            label_last_name: ""
-            label_domain: ""
-            label_subscriber: ""
-            label_maximum_users: ""
-            label_starts_at: ""
-            label_expires_at: ""
-            receive_newsletter:
-            taken_domain:
-            taken_email:
-          email_not_received: ""
-          try_another_email: ""
-          next_steps: ""
-          resend_link: ""
-          resend_success: ""
-          resend_warning: ""
-          session_timeout: ""
-          status_label: ""
-          status_confirmed: ""
-          status_waiting: ""
-          test_ee: ""
-          quick_overview: ""
+              Я приймаю <a target="_blank" href="%{link_terms}">умови обслуговування</a> та <a target="_blank" href="%{link_privacy}">політику конфіденційності</a>.
+            invalid_email: "Хибна адреса ел. пошти"
+            label_company: "Компанія"
+            label_first_name: "Ім'я"
+            label_last_name: "Прізвище"
+            label_domain: "Домен"
+            label_subscriber: "Абонент"
+            label_maximum_users: "Максимальна кількість активних користувачів"
+            label_starts_at: "Починається о"
+            label_expires_at: "Закінчується о"
+            receive_newsletter: Я хочу отримувати розсилку новин <a target="_blank" href="%{link}">OpenProject</a>.
+            taken_domain: Може бути лише одна активна пробна версія на домен.
+            taken_email: Кожен користувач може створити лише одну пробну версію.
+          email_not_received: "Ви не отримали електронний лист? Можете повторно надіслати його за допомогою посилання праворуч."
+          try_another_email: "Спробуйте з іншою електронною адресою."
+          next_steps: "Настуні кроки"
+          resend_link: "Повторно надіслати"
+          resend_success: "Електронний лист надіслано знову. Перевірте свою поштову скриньку та перейдіть за посиланням для підтвердження в листі."
+          resend_warning: "Не вдалося повторно надіслати листа."
+          session_timeout: "Сеанс закінчено. Будь ласка спробуйте перезавантажити сторінку або надіслати листа ще раз."
+          status_label: "Статус:"
+          status_confirmed: "Підтверджено"
+          status_waiting: "Лист надіслано - очікуємо підтвердження"
+          test_ee: "Отримайте Enterprise Edition на 14 днів безкоштовно"
+          quick_overview: "Отримайте стислий огляд управління проєктами та командної роботи в OpenProject Enterprise."
         upsale:
-          become_hero: ""
+          become_hero: "Стань героєм!"
           benefits:
-            description: ""
-            high_security: ""
-            high_security_text: ""
-            installation: ""
-            installation_text: ""
-            premium_features: ""
-            premium_features_text: ""
-            professional_support: ""
-            professional_support_text: ""
-          button_start_trial: ""
-          button_book_now: ""
+            description: "Які переваги локального випуску Enterprise?"
+            high_security: "Функції безпеки"
+            high_security_text: "Єдиний вхід (SAML, OpenID Connect, CAS), двофакторна аутентифікація та автоматична синхронізація груп LDAP."
+            installation: "Підтримка встановлення"
+            installation_text: "Досвідчені інженери програмного забезпечення допоможуть вам виконати повне встановлення та налаштувати процес у вашій інфраструктурі."
+            premium_features: "Ексклюзивні функції"
+            premium_features_text: "Дошки Agile, власні тема й логотип, діаграми, розумні робочі процеси з користувацькими діями, повнотекстовий пошук у вкладеннях пакетів робіт і можливість вибору кількість власних полів."
+            professional_support: "Професійна підтримка"
+            professional_support_text: "Отримайте надійну, комплексну підтримку від досвідчених інженерів, які знають усе про запуск OpenProject у критично важливих для бізнесу середовищах."
+          button_start_trial: "Розпочати безкоштовну пробну версію"
+          button_book_now: "Забронювати зараз"
           confidence: >
-
-          link_quote: ""
+            Ми надаємо перевірене програмне забезпечення корпоративного класу з — з відкритим кодом і серцем — та забезпечуємо його підтримку.
+          link_quote: "Дізнатися ціну"
           text: >
-
-          unlimited: ""
-          you_contribute: ""
+            Випуск OpenProject Enterprise Edition створено на основі Community Edition. Він включає ексклюзивні функції та професійну підтримку й призначений здебільшого для організацій із більш ніж 10 користувачами, які керують критично важливими для бізнесу проєктами в OpenProject.
+          unlimited: "Необмежено"
+          you_contribute: "Розробники теж повинні оплачувати свої рахунки. Придбавши Enterprise Edition, ви зробите суттєвий внесок у спільноту Open Source."
     custom_actions:
       date:
-        specific: ''
-        current_date: ''
+        specific: 'на'
+        current_date: 'Поточна дата'
     error:
-      internal: ""
-      cannot_save_changes_with_message: ""
-      query_saving: ""
-      embedded_table_loading: ""
-    enumeration_activities: ""
-    enumeration_doc_categories: ""
-    enumeration_work_package_priorities: ""
+      internal: "Сталася внутрішня помилка."
+      cannot_save_changes_with_message: "Не вдалося зберегти зміни через такі помилки: %{error}"
+      query_saving: "Перегляд не вдалося зберегти."
+      embedded_table_loading: "Вбудований перегляд не вдалося завантажити: %{message}"
+    enumeration_activities: "Дії (облік часу)"
+    enumeration_doc_categories: "Категорії документів"
+    enumeration_work_package_priorities: "Пріоритети робочого пакету"
     filter:
-      more_values_not_shown: ""
+      more_values_not_shown: "Є ще стільки результатів, які можна відфільтрувати: %{total}. "
       description:
-        text_open_filter: ""
-        text_close_filter: ""
-      noneElement: ""
+        text_open_filter: "Відкрийте цей фільтр за допомогою «ALT» і клавіш зі стрілками."
+        text_close_filter: "Щоб вибрати запис - встановіть на ньому фокус, наприклад, натиснувши Enter. Щоб залишити без фільтру - виберіть перший (порожній) елемент."
+      noneElement: "(нічого)"
       time_zone_converted:
-        two_values: ""
-        only_start: ""
-        only_end: ""
-      value_spacer: ""
+        two_values: "%{from} - %{to} у місцевий час."
+        only_start: "From %{from} у місцевий час."
+        only_end: "До %{to} у місцевий час."
+      value_spacer: "-"
       sorting:
         criteria:
-          one: ""
-          two: ""
-          three: ""
-      upsale_for_more: ""
-      upsale_link: ''
-    general_text_no: ""
-    general_text_yes: ""
-    general_text_No: ""
-    general_text_Yes: ""
+          one: "Перший критерій впорядкування"
+          two: "Другий критерій впорядкування"
+          three: "Третій критерій впорядкування"
+      upsale_for_more: "Щоб отримати додаткові фільтри, ознайомтеся з"
+      upsale_link: 'корпоративне видання.'
+    general_text_no: "ні"
+    general_text_yes: "так"
+    general_text_No: "Ні"
+    general_text_Yes: "Так"
     hal:
       error:
-        update_conflict_refresh: ""
-        edit_prohibited: ""
+        update_conflict_refresh: "Натисніть тут, щоб оновити ресурс до останньої версії."
+        edit_prohibited: "Редагування атрибута %{attribute} заблоковано для цього пакета робіт. Цей атрибут або похідний (наприклад, дочірній елемент), або не налаштовується в інший спосіб."
         format:
-          date: ""
-        general: ""
+          date: "%{attribute} не є дійсною датою - очікується YYYY-MM-DD."
+        general: "Сталася помилка."
     homescreen:
       blocks:
         new_features:
-          text_new_features: ""
-          learn_about: ""
+          text_new_features: "Читайте про нові функції та оновлення продуктів."
+          learn_about: "Дізнатися більше про нові функції"
           #Include the version to invalidate outdated translations in other locales.
           #Otherwise, e.g. chinese might still have the translations for 10.0 in the 12.0 release.
           '12_0':
             standard:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
+                Випуск містить різні функції та поліпшення: <br> <ul class="%{list_styling_class}"> <li>Завдяки новим <b>сповіщенням у додатку</b> ви отримуватимете всі важливі оновлення напряму, тож ваша поштова скринька не засмічуватиметься.</li> <li>Новий <b>центр сповіщень</b> показує всі зміни, включно з інтуїтивно зрозумілими фільтрами, напр., за причиною сповіщення або проєктами. Ви навіть можете виконувати редагування напряму в режимі розділеного екрана.</li> <li>Удосконалені <b>параметри сповіщень</b> дають змогу точно налаштувати дії та проєкти, щодо яких ви хочете отримувати сповіщення.</li> <li><b>Нагадування електронною поштою</b> можна налаштувати, щоб отримувати важливі щоденні зведення оновлень.</li> <li>Автозавершувач пакета робіт для зв’язків зараз також показує додаткову інформацію  (назву проєкту, статус тощо), щоб легко визначати відповідний пакет робіт.</li> </ul>
             bim:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
-    label_activate: ""
-    label_add_column_after: ""
-    label_add_column_before: ""
-    label_add_columns: ""
-    label_add_comment: ""
-    label_add_comment_title: ""
-    label_add_row_after: ""
-    label_add_row_before: ""
-    label_add_selected_columns: ""
-    label_added_by: ""
-    label_added_time_by: ""
-    label_ago: ""
-    label_all: ""
-    label_all_work_packages: ""
-    label_and: ""
-    label_ascending: ""
-    label_author: ""
-    label_avatar: ""
-    label_between: ""
-    label_board: ""
-    label_board_locked: ""
-    label_board_plural: ""
-    label_board_sticky: ""
-    label_change: ""
-    label_create: ""
-    label_create_work_package: ""
-    label_created_by: ""
-    label_date: ""
-    label_date_with_format: ""
-    label_deactivate: ""
-    label_descending: ""
-    label_description: ""
-    label_details: ""
-    label_display: ""
-    label_cancel_comment: ""
-    label_closed_work_packages: ""
-    label_collapse: ""
-    label_collapsed: ""
-    label_collapse_all: ""
-    label_comment: ""
-    label_committed_at: ""
-    label_committed_link: ""
-    label_contains: ""
-    label_created_on: ""
-    label_edit_comment: ""
-    label_edit_status: ""
-    label_email: ""
-    label_equals: ""
-    label_expand: ""
-    label_expanded: ""
-    label_expand_all: ""
-    label_expand_project_menu: ""
-    label_export: ""
-    label_export_preparing: ""
-    label_filename: ""
-    label_filesize: ""
-    label_general: ""
-    label_global_roles: ""
-    label_greater_or_equal: ""
-    label_group: ''
-    label_group_by: ""
-    label_group_plural: ""
-    label_hide_attributes: ""
-    label_hide_column: ""
-    label_hide_project_menu: ""
-    label_in: ""
-    label_in_less_than: ""
-    label_in_more_than: ""
-    label_incoming_emails: ""
-    label_information_plural: ""
-    label_import: ""
-    label_latest_activity: ""
-    label_last_updated_on: ""
-    label_learn_more_link: ""
-    label_less_or_equal: ""
-    label_less_than_ago: ""
-    label_loading: ""
-    label_mail_notification: ""
-    label_me: ""
-    label_meeting_agenda: ""
-    label_meeting_minutes: ""
-    label_menu_collapse: ""
-    label_menu_expand: ""
-    label_more_than_ago: ""
-    label_next: ""
-    label_no_color: ""
-    label_no_data: ""
-    label_no_due_date: ""
-    label_no_start_date: ""
-    label_no_value: ""
-    label_none: ""
-    label_not_contains: ""
-    label_not_equals: ""
-    label_on: ""
-    label_open_menu: ""
-    label_open_context_menu: ""
-    label_open_work_packages: ""
-    label_password: ""
-    label_previous: ""
-    label_per_page: ""
-    label_please_wait: ""
-    label_project_plural: ""
-    label_visibility_settings: ""
-    label_quote_comment: ""
-    label_recent: ""
-    label_reset: ""
-    label_remove: ""
-    label_remove_column: ""
-    label_remove_columns: ""
-    label_remove_row: ""
-    label_report: ""
-    label_repository_plural: ""
-    label_save_as: ""
-    label_select_watcher: ""
-    label_selected_filter_list: ""
-    label_show_attributes: ""
-    label_show_in_menu: ""
-    label_sort_by: ""
-    label_sorted_by: ""
-    label_sort_higher: ""
-    label_sort_lower: ""
-    label_sorting: ""
-    label_spent_time: ""
-    label_star_query: ""
-    label_press_enter_to_save: ""
-    label_public_query: ""
-    label_sum: ""
-    label_sum_for: ""
-    label_total_sum: ""
-    label_subject: ""
-    label_this_week: ""
-    label_today: ""
-    label_time_entry_plural: ""
-    label_up: ""
-    label_user_plural: ""
-    label_activity_show_only_comments: ""
-    label_activity_show_all: ""
-    label_total_progress: ""
-    label_total_amount: ""
-    label_updated_on: ""
-    label_value_derived_from_children: ""
-    label_children_derived_duration: ""
-    label_warning: ""
-    label_work_package: ""
-    label_work_package_parent: ""
-    label_work_package_plural: ""
-    label_watch: ""
-    label_watch_work_package: ""
-    label_watcher_added_successfully: ""
-    label_watcher_deleted_successfully: ""
-    label_work_package_details_you_are_here: ""
-    label_unwatch: ""
-    label_unwatch_work_package: ""
-    label_uploaded_by: ""
-    label_default_queries: ""
-    label_starred_queries: ""
-    label_global_queries: ""
-    label_custom_queries: ""
-    label_create_new_query: ""
-    label_columns: ""
-    label_attachments:
-    label_drop_files:
-    label_drop_files_hint:
-    label_drop_folders_hint:
-    label_add_attachments: ""
-    label_formattable_attachment_hint: ""
-    label_remove_file: ""
-    label_remove_watcher: ""
-    label_remove_all_files:
-    label_add_description: ""
-    label_upload_notification: ""
-    label_work_package_upload_notification: ""
-    label_wp_id_added_by: ""
-    label_files_to_upload: ""
-    label_rejected_files: ""
-    label_rejected_files_reason: ""
-    label_wait: ""
-    label_upload_counter: ""
-    label_validation_error: ""
-    label_version_plural: ""
-    label_view_has_changed: ""
+                Випуск містить багато нових функцій і поліпшень. <br> <ul class="%{list_styling_class}"> <li>Центр сповіщень: кількість сповіщень буде зменшено. Натомість усі сповіщення можна знайти та обробити в одному місці.</li> <li>Усі передані файли IFC теж можна буде завантажити.</li> <li>Передавання та обробка файлів IFC стали швидшими, а повідомлення про помилки – точнішими.</li> <li>Виправлено багато помилок надбудови <a href="https://github.com/opf/openproject-revit-add-in">OpenProject Revit</a>.</li> </ul>
+    label_activate: "Активувати"
+    label_add_column_after: "Додати стовпець після"
+    label_add_column_before: "Додати стовпець перед"
+    label_add_columns: "Додати стовпці"
+    label_add_comment: "Додати коментар"
+    label_add_comment_title: "Коментар і введіть @, щоб повідомити інших людей"
+    label_add_row_after: "Додати рядок після"
+    label_add_row_before: "Додати рядок перед"
+    label_add_selected_columns: "Додати вибрані стовпці"
+    label_added_by: "додав(-ла)"
+    label_added_time_by: "Додано користувачем <a href=%{authorLink}>%{author}</a> о%{age}"
+    label_ago: "днів тому"
+    label_all: "всі"
+    label_all_work_packages: "всі пакети в роботі"
+    label_and: "і"
+    label_ascending: "За зростанням"
+    label_author: "Автор: %{user}"
+    label_avatar: "Аватар"
+    label_between: "між ними"
+    label_board: "Дошка"
+    label_board_locked: "Заблоковано"
+    label_board_plural: "Дошки"
+    label_board_sticky: "Приліплена"
+    label_change: "Змінити"
+    label_create: "Створити"
+    label_create_work_package: "Створити новий робочий пакет"
+    label_created_by: "Створено"
+    label_date: "Дата"
+    label_date_with_format: "Введіть %{date_attribute}, використовуючи наступний формат: %{format}"
+    label_deactivate: "Деактивувати"
+    label_descending: "За спаданням"
+    label_description: "Опис"
+    label_details: "Детальніше"
+    label_display: "Дисплей"
+    label_cancel_comment: "Скасувати коментар"
+    label_closed_work_packages: "зачинено"
+    label_collapse: "Згорнути"
+    label_collapsed: "згорнуто"
+    label_collapse_all: "Згорнути все"
+    label_comment: "Коментар"
+    label_committed_at: "%{committed_revision_link}, %{date}"
+    label_committed_link: "зафіксовано редакцію %{revision_identifier}"
+    label_contains: "містить"
+    label_created_on: "створено"
+    label_edit_comment: "Редагувати цей коментар"
+    label_edit_status: "Відредагуйте стан робочого пакету"
+    label_email: "Електронна пошта"
+    label_equals: "є"
+    label_expand: "Розгорнути"
+    label_expanded: "розгорнуто"
+    label_expand_all: "Розгорнути все"
+    label_expand_project_menu: "Розгорніть меню проекту"
+    label_export: "Експорт"
+    label_export_preparing: "Файл готується для експорту, і невдовзі його буде завантажено."
+    label_filename: "Файл"
+    label_filesize: "Розмір"
+    label_general: "Загальні"
+    label_global_roles: "Глобальні ролі"
+    label_greater_or_equal: ">="
+    label_group: 'Група'
+    label_group_by: "Групувати за"
+    label_group_plural: "Групи"
+    label_hide_attributes: "Показати менше"
+    label_hide_column: "Приховати стовпчик"
+    label_hide_project_menu: "Згорнути меню проекту"
+    label_in: "в"
+    label_in_less_than: "менш ніж"
+    label_in_more_than: "більше ніж"
+    label_incoming_emails: "Вхідні повідомлення"
+    label_information_plural: "Інформація"
+    label_import: "Імпортувати"
+    label_latest_activity: "Останні дії"
+    label_last_updated_on: "Останнє оновлення"
+    label_learn_more_link: "Дізнатися більше"
+    label_less_or_equal: "<="
+    label_less_than_ago: "менше, ніж день тому"
+    label_loading: "Завантаження..."
+    label_mail_notification: "Email сповіщення"
+    label_me: "мені"
+    label_meeting_agenda: "Порядок денний"
+    label_meeting_minutes: "Хвилини"
+    label_menu_collapse: "згорнути"
+    label_menu_expand: "розгорнути"
+    label_more_than_ago: "більш ніж днів(я) назад"
+    label_next: "Далі"
+    label_no_color: "Без кольору"
+    label_no_data: "Немає даних для відображення"
+    label_no_due_date: "немає дати завершення"
+    label_no_start_date: "немає дати початку"
+    label_no_value: "Значення відсутнє"
+    label_none: "нічого"
+    label_not_contains: "не містить"
+    label_not_equals: "немає"
+    label_on: "на"
+    label_open_menu: "Відкрити меню"
+    label_open_context_menu: "Відкрийте контекстне меню"
+    label_open_work_packages: "відкрити"
+    label_password: "Пароль"
+    label_previous: "Попередній"
+    label_per_page: "К-сть на сторінку:"
+    label_please_wait: "Будь ласка, зачекайте"
+    label_project_plural: "Проекти"
+    label_visibility_settings: "Налаштування видимості ..."
+    label_quote_comment: "Цитувати цей коментар"
+    label_recent: "Останні"
+    label_reset: "Скинути"
+    label_remove: "Видалити"
+    label_remove_column: "Видалити стовпець"
+    label_remove_columns: "Видалити вибрані стовпці"
+    label_remove_row: "Видалити рядок"
+    label_report: "Звіт"
+    label_repository_plural: "Репозиторії"
+    label_save_as: "Зберегти як"
+    label_select_watcher: "Виберіть спостерігача..."
+    label_selected_filter_list: "Вибрані фільтри"
+    label_show_attributes: "Показати всі атрибути"
+    label_show_in_menu: "Показати вигляд у меню"
+    label_sort_by: "Сортувати за"
+    label_sorted_by: "відсортовано за"
+    label_sort_higher: "Рухатися вгору"
+    label_sort_lower: "Пересунути нижче"
+    label_sorting: "Сортування"
+    label_spent_time: "Трудовитрати"
+    label_star_query: "Улюблений"
+    label_press_enter_to_save: "Натисніть enter, щоб зберегти."
+    label_public_query: "Публічний"
+    label_sum: "Сума"
+    label_sum_for: "Сума для"
+    label_total_sum: "Загальна сума"
+    label_subject: "Тема"
+    label_this_week: "цього тижня"
+    label_today: "Сьогодні"
+    label_time_entry_plural: "Трудовитрати"
+    label_up: "Вгору"
+    label_user_plural: "Користувачі"
+    label_activity_show_only_comments: "Показувати заходи лише з коментарями"
+    label_activity_show_all: "Показати всю активність"
+    label_total_progress: "%{percent}% загального прогресу"
+    label_total_amount: "Всього: %{amount}"
+    label_updated_on: "оновлено"
+    label_value_derived_from_children: "(значення, отримане від дітей)"
+    label_children_derived_duration: "Тривалість похідних дочірніх елементів пакета робіт"
+    label_warning: "Попередження"
+    label_work_package: "Пакет робіт"
+    label_work_package_parent: "Батьківський пакет робіт"
+    label_work_package_plural: "Пакет робіт"
+    label_watch: "Спостерігати"
+    label_watch_work_package: "Спостерігати за робочим пакетом"
+    label_watcher_added_successfully: "Спостерігач успішно доданий!"
+    label_watcher_deleted_successfully: "Спостерігач успішно видалений!"
+    label_work_package_details_you_are_here: "Ви знаходитесь на вкладці %{tab} для %{type} %{subject}."
+    label_unwatch: "Перестати відстежувати"
+    label_unwatch_work_package: "Припинити спостерігати за пакетом робіт"
+    label_uploaded_by: "Завантажено"
+    label_default_queries: "Перегляд за умовчанням"
+    label_starred_queries: "Улюблені види"
+    label_global_queries: "Види громадськості"
+    label_custom_queries: "Приватні види"
+    label_columns: "Стовпці"
+    label_attachments: Вкладення
+    label_drop_files: Перетягніть файли сюди
+    label_drop_files_hint: або клацніть, щоб додати файли
+    label_drop_folders_hint: Ви не можете завантажувати теки як вкладення. Будь ласка, оберіть окремі файли.
+    label_add_attachments: "Додати вкладення"
+    label_formattable_attachment_hint: "Приєднати файли та зв'язати їх, скинувши це поле або вставивши його з буфера обміну."
+    label_remove_file: "Видалити %{fileName}"
+    label_remove_watcher: "Видалити спостерігача %{name}"
+    label_remove_all_files: Видалити всі файли
+    label_add_description: "Додати опис для %{file}"
+    label_upload_notification: "Завантаження файлів ..."
+    label_work_package_upload_notification: "Завантаження файлів для пакета робіт #%{id}: %{subject}"
+    label_wp_id_added_by: "#%{id} додано користувачем %{author}"
+    label_files_to_upload: "Ці файли будуть завантажені на сервер:"
+    label_rejected_files: "Ці файли не можуть бути завантажені на сервер:"
+    label_rejected_files_reason: "Ці файли не можуть бути завантажені на сервер, оскільки їх розмір більший за %{maximumFilesize}"
+    label_wait: "Будь ласка, зачекайте конфігурації..."
+    label_upload_counter: "%{done} з %{count} файлу(-ів) завершені"
+    label_validation_error: "Пакет робіт не може бути збережений через наступні помилки:"
+    label_version_plural: "Версії"
+    label_view_has_changed: "Це подання містить незбережені зміни. Натисніть, щоб переглянути їх."
     help_texts:
-      show_modal: ''
+      show_modal: 'Показати вміст атрибута тексту довідки'
     onboarding:
       buttons:
-        skip: ''
-        next: ''
-        got_it: ''
+        skip: 'Пропустити'
+        next: 'Далі'
+        got_it: 'Зрозуміло'
       steps:
-        help_menu: ''
-        members: ''
-        project_selection: ''
-        quick_add_button: ''
-        sidebar_arrow: ""
-        welcome: ''
-        wiki: ''
+        help_menu: 'Меню довідки (?) містить <b>додаткові допоміжні ресурси</b>. Тут ви можете знайти посібник користувача й корисні відеовказівки тощо. <br> Насолоджуйтеся роботою з OpenProject!'
+        members: 'Запросіть нових <b>учасників</b> до свого проєкту.'
+        project_selection: 'Виберіть одну з демоверсій проєктів, які ми підготували. Дані демоверсії зараз доступні лише англійською. <br> Звичайна <b>демоверсія проєкту</b> найкраще підходить для класичного керування проєктами, тоді як <b>проєкт Scrum</b> корисніший для гнучкого керування проєктами.'
+        quick_add_button: 'Натисніть на значок плюса (+) на панелі заголовків, щоб <b>створити новий проєкт</b> або <b>запросити колег</b>.'
+        sidebar_arrow: "Використовуйте стрілку повернення у верхньому лівому куті, щоб повернутися в <b>головне меню</b> проєкту."
+        welcome: 'Здійсніть трихвилинний ознайомчий огляд для вивчення <b>найважливішого функціоналу</b>. <br> Ми рекомендуємо пройти всі кроки до завершення огляду. Ви можете повернутися до цього огляду повторно в будь-який час.'
+        wiki: 'У межах <b>Wiki</b> ви можете документувати знання та обмінюватися ними зі своєю командою.'
         backlogs:
-          overview: ""
-          sprints: ""
-          task_board_arrow: ''
-          task_board_select: ''
-          task_board: ""
+          overview: "Керуйте своєю роботою в поданні <b>Backlogs</b>."
+          sprints: "Праворуч у вікні подання можна переглянути невиконані завдання щодо продукту та помилки. Ліворуч можна створювати <b>епіки, історії користувачів і помилки</b>, визначати їх пріоритет перетягуванням і додавати їх до спринтів."
+          task_board_arrow: 'Щоб переглянути свою <b>дошку завдань</b>, відкрийте спадне меню спринту…'
+          task_board_select: '... і виберіть запис на <b>дошці завдань</b>.'
+          task_board: "Панель завдань візуалізує <b>перебіг цього спринту</b>. Натисніть на знак плюса (+) біля історії користувача, щоб додати нові завдання або перешкоди. <br> Стан можна оновити перетягуванням."
         boards:
-          overview: ''
-          lists: ''
-          add: ''
-          drag: ''
+          overview: 'Виберіть <b>дошки</b>, щоб зсунути подання та керувати своїм проєктом за допомогою подання дощок Agile.'
+          lists_kanban: 'Тут можна створити кілька списків (стовпців) у межах дошки. Ця функція дає змогу створити, наприклад, <b>дошку Kanban</b>.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
+          add: 'Натисніть знак плюса (+), щоб <b>створити картку</b> або <b>додати наявну картку</b> до списку на дошці.'
+          drag: 'Перевпорядкуйте картки в межах даного списку, перетягуючи їх, або перемістіть їх до іншого списку. Щоб переглянути докладні відомості, натисніть значок інформації (i) у верхньому правому куті або двічі натисніть картку.'
         wp:
-          toggler: ""
-          list: ''
-          full_view: ''
-          back_button: ''
-          create_button: ''
-          timeline_button: ''
-          timeline: ''
+          toggler: "Тепер погляньмо на розділ <b>робочих пакетів</b>, де можна дізнатися більше про вашу роботу."
+          list: 'Цей огляд пакета <b>робіт</b> містить список всіх робіт у вашому проєкті, наприклад завдання, віхи, етапи тощо. <br> Пакети робіт можна створювати й редагувати безпосередньо в цьому поданні. Щоб отримати доступ до інформації про певний пакет робіт, просто двічі натисніть його рядок.'
+          full_view: 'Подання <b>Деталі пакета робіт</b> містить усю відповідну інформацію, пов’язану з даним пакетом робіт, наприклад його опис, статус, пріоритет, діяльність, залежності й коментарі.'
+          back_button: 'Щоб вийти й повернутися в список пакета робіт, скористайтеся стрілкою повернення у верхньому лівому куті.'
+          create_button: 'Кнопка <b>+ Створити</b> додасть новий пакет робіт до вашого проєкту.'
+          timeline_button: 'Ви можете активувати <b>діаграму Ґанта</b>, щоб створити часову шкалу для свого проєкту.'
+          timeline: 'Тут можна <b>відредагувати свій план проєкту</b>, створити нові пакети робіт, наприклад завдання, віхи, етапи тощо, а також <b>додати залежності</b>. Усі учасники команди зможуть будь-коли побачити й оновити останній план.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
-      title: ""
-      no_unread: ""
+      title: "Сповіщення"
+      no_unread: "Немає непрочитаних сповіщень"
       reasons:
-        mentioned: ''
-        watched: ''
-        assigned: ''
-        responsible: ''
+        mentioned: 'згадано'
+        watched: 'відстежено'
+        assigned: 'призначено'
+        responsible: 'відповідальний'
       facets:
-        unread: ''
-        all: ''
+        unread: 'Непрочитані'
+        all: 'Всі'
       center:
         and_more_users:
-          one: ''
-          few: ''
-          many: ''
-          other: ''
+          one: 'і ще 1'
+          few: 'і ще %{count}'
+          many: 'і ще %{count}'
+          other: 'і ще %{count}'
         no_results:
-          at_all: ''
-          with_current_filter: ''
-        mark_all_read: ''
-        mark_as_read: ''
-        text_update_date: ""
-        total_count_warning: ""
+          at_all: 'Нові сповіщення з’являться тут, коли буде виявлено пов’язані з вами дії'
+          with_current_filter: 'Зараз у цьому поданні немає сповіщень'
+        mark_all_read: 'Позначити все як прочитане'
+        mark_as_read: 'Позначити як прочитане'
+        text_update_date: "%{date} –"
+        total_count_warning: "Показано стільки останніх сповіщень: %{newest_count}. Ще %{more_count} не показано."
         empty_state:
-          no_notification: ""
-          no_notification_with_current_filter: ""
-          no_selection: ""
+          no_notification: "Схоже, ви все прочитали."
+          no_notification_with_current_filter: "Змінити участь або повернутися до поштової скриньки для перегляду сповіщень"
+          no_selection: "Натисніть сповіщення, щоб переглянути всі дані про дію."
         new_notifications:
-          message: ''
-          link_text: ''
+          message: 'Немає нових сповіщень.'
+          link_text: 'Натисніть тут, щоб завантажити їх'
       menu:
-        accountable: ''
-        assigned: ''
-        by_project: ''
-        by_reason: ''
-        inbox: ''
-        mentioned: ''
-        watching: ''
+        accountable: 'Відповідальний'
+        assigned: 'Призначено'
+        by_project: 'Непрочитані проєктом'
+        by_reason: 'Залучення'
+        inbox: 'Вхідні'
+        mentioned: '@згадано'
+        watching: 'Відстеження'
       settings:
-        change_notification_settings: ''
-        title: ""
-        notify_me: ""
+        change_notification_settings: 'Щоб переглянути та змінити налаштування сповіщень, <a target="_blank" href="%{url}">натисніть тут</a>'
+        title: "Налаштування сповіщень"
+        notify_me: "Сповіщати мене"
         reasons:
           mentioned:
-            title: ''
-            description: ''
+            title: 'Мене @згадано'
+            description: 'Отримувати сповіщення щоразу, коли хтось згадує мене де завгодно'
           involved:
-            title: ''
-            description: ''
-          watched: ''
-          work_package_commented: ''
-          work_package_created: ''
-          work_package_processed: ''
-          work_package_prioritized: ''
-          work_package_scheduled: ''
+            title: 'Призначено мені або відповідальній особі'
+            description: 'Отримувати сповіщення про всі дії щодо пакетів робіт, які я виконую або за які несу відповідальність'
+          watched: 'Оновлення щодо відстежуваних елементів'
+          work_package_commented: 'Усі нові коментарі'
+          work_package_created: 'Нові пакети робіт'
+          work_package_processed: 'Усі зміни статусу'
+          work_package_prioritized: 'Усі зміни пріоритету'
+          work_package_scheduled: 'Усі зміни дат'
         global:
           immediately:
-            title: ''
-            description: ''
+            title: 'Негайно сповіщати мене'
+            description: 'Ці параметри стосуються всіх проєктів. Створити винятки для окремих проєктів можна нижче.'
           delayed:
-            title: ''
-            description: ''
+            title: 'Також сповіщати мене про'
+            description: 'Отримувати сповіщення про ці дії з робочими пакетами в усіх проєктах:'
         project_specific:
-          title: ''
-          description: ''
-          add: ''
-          already_selected: ''
-          remove: ''
+          title: 'Параметри сповіщень проєкту'
+          description: 'Ці параметри сповіщень проєкту перевизначають стандартні параметри вище'
+          add: 'Додати налаштування для проєкту'
+          already_selected: 'Цей проєкт уже вибрано'
+          remove: 'Вилучити налаштування проєкту'
     password_confirmation:
-      field_description: ''
-      title: ''
+      field_description: 'Вам необхідно ввести пароль облікового запису, щоб підтвердити цю зміну.'
+      title: 'Підтвердіть ваш пароль щоб продовжити'
     pagination:
-      no_other_page: ""
+      no_other_page: "Ви знаходитесь на єдиній сторінці."
       pages:
-        next: ""
-        previous: ""
+        next: "Перейти до наступної сторінки"
+        previous: "Повернутись до попередньої сторінки"
     placeholders:
-      default: ''
-      subject: ''
-      selection: ''
-      relation_description: ''
+      default: '-'
+      subject: 'Введіть тему тут'
+      selection: 'Будь ласка, виберіть'
+      relation_description: 'Нажмите, чтобы добавить описание для этой связи'
     project:
       required_outside_context: >
-
-      context: ''
-      work_package_belongs_to: ''
-      click_to_switch_context: ''
-      confirm_template_load: ''
-      use_template: ""
-      no_template_selected: ""
+        Виберіть проект, щоб створити робочий пакет, щоб побачити всі атрибути. Ви можете вибирати лише проекти, які мають вказаний вище тип активації.
+      context: 'Контекст проекту'
+      work_package_belongs_to: 'Цей робочий пакет належить до проекту %{projectname}'
+      click_to_switch_context: 'Відкрийте цей робочий пакет у цьому проекті.'
+      confirm_template_load: 'Перемикання шаблону перезавантажить сторінку, і ви втратите всі дані, введені в цю форму. Продовжити?'
+      use_template: "Використовувати шаблон"
+      no_template_selected: "(Немає)"
       copy:
-        copy_options: ""
+        copy_options: "Параметри копіювання"
       autocompleter:
-        label: ''
+        label: 'Автозавершення проекту'
     reminders:
       settings:
         daily:
-          add_time: ''
-          enable: ''
-          explanation: ''
-          no_time_zone: ''
-          time_label: ''
-          title: ''
+          add_time: 'Додати час'
+          enable: 'Увімкнути щоденні нагадування електронною поштою'
+          explanation: 'Ви отримуватимете ці нагадування лише для непрочитаних сповіщень і тільки в указані години. %{no_time_zone}'
+          no_time_zone: 'Доки ви не налаштуєте часовий пояс для свого облікового запису, вважатиметься, що ваш час указано за стандартом UTC.'
+          time_label: 'Час %{counter}:'
+          title: 'Надсилати мені щоденні нагадування електронною поштою про непрочитані сповіщення'
         workdays:
-          title: ''
+          title: 'Отримувати нагадування електронною поштою в ці дні'
         immediate:
-          title: ''
-          mentioned: ''
+          title: 'Надсилати мені нагадування електронною поштою'
+          mentioned: 'Негайно, коли хтось згадує @мене'
         alerts:
-          title: ''
+          title: 'Сповіщення електронною поштою для інших елементів (які не є пакетами робіт)'
           explanation: >
-
-          news_added: ''
-          news_commented: ''
-          document_added: ''
-          forum_messages: ''
-          wiki_page_added: ''
-          wiki_page_updated: ''
-          membership_added: ''
-          membership_updated: ''
-        title: ''
+            Сьогодні надходитимуть лише сповіщення про пакети робіт. Ви можете й надалі отримувати сповіщення електронною поштою для цих подій, якщо їх не буде включено в сповіщення:
+          news_added: 'Новину додано'
+          news_commented: 'Коментар щодо новини'
+          document_added: 'Документи додано'
+          forum_messages: 'Нові повідомлення форуму'
+          wiki_page_added: 'Додано сторінку Wiki'
+          wiki_page_updated: 'Сторінка Wiki оновлена'
+          membership_added: 'Членство додано'
+          membership_updated: 'Членство додано'
+        title: 'Нагадування електронною поштою'
         pause:
-          label: ''
-          first_day: ''
-          last_day: ''
-    text_are_you_sure: ""
-    text_data_lost: ""
+          label: 'Тимчасово призупинити щоденні нагадування електронною поштою'
+          first_day: 'Перший день'
+          last_day: 'Останній день'
+    text_are_you_sure: "Ви впевненені?"
+    text_data_lost: "Усі введені дані буде втрачено."
     types:
       attribute_groups:
-        error_duplicate_group_name: ""
-        error_no_table_configured: ""
-        reset_title: ""
+        error_duplicate_group_name: "The name %{group} використовується більше одного разу. Назви груп повинні бути унікальними."
+        error_no_table_configured: "Please configure a table for %{group}"
+        reset_title: "Скидання конфігурації форми"
         confirm_reset: >
-
-        upgrade_to_ee: ""
-        upgrade_to_ee_text: ""
-        more_information: ""
-        nevermind: ""
+          Попередження: Справді скинути конфігурацію форми? Це призведе до скидання атрибутів до групи за замовчуванням і вимкнення всіх користувацьких полів.
+        upgrade_to_ee: "Перейти на локальний корпоративний випуск"
+        upgrade_to_ee_text: "Оце Так! Якщо вам потрібна ця функція, ви супер-про! Чи не могли б ви підтримати розробників OpenSource, ставши клієнтом Enterprise Edition?"
+        more_information: "Більше інформації"
+        nevermind: "Nevermind"
       edit:
-        form_configuration: ""
-        projects: ""
-        settings: ""
+        form_configuration: "З конфігурації"
+        projects: "Проекти"
+        settings: "Налаштування"
     time_entry:
-      project: ''
-      work_package: ''
-      work_package_required: ''
-      activity: ''
-      comment: ''
-      duration: ''
-      spent_on: ''
-      hours: ''
-      title: ''
+      project: 'Проект'
+      work_package: 'Пакет робіт'
+      work_package_required: 'Спочатку потрібно вибрати пакет робіт.'
+      activity: 'Активність'
+      comment: 'Коментар'
+      duration: 'Тривалість'
+      spent_on: 'Дата'
+      hours: 'Години'
+      title: 'Час журналу'
     two_factor_authentication:
-      label_two_factor_authentication: ''
+      label_two_factor_authentication: 'Двофакторна аутентифікація'
     watchers:
-      label_loading:
-      label_error_loading:
-      label_search_watchers:
-      label_add:
-      label_discard:
-      typeahead_placeholder:
+      label_loading: завантаження спостерігачів...
+      label_error_loading: Під час завантаження спостерігачів сталася помилка
+      label_search_watchers: Пошук спостерігачів
+      label_add: Додати спостерігачів
+      label_discard: Скасувати вибір
+      typeahead_placeholder: Пошук можливих спостерігачів
     relation_labels:
-      parent: ""
-      children: ""
-      relates: ""
-      duplicates: ""
-      duplicated: ""
-      blocks: ""
-      blocked: ""
-      precedes: ""
-      follows: ""
-      includes: ""
-      partof: ""
-      requires: ""
-      required: ""
-      relation_type: ""
+      parent: "Джерело"
+      children: "Дочірні елементи"
+      relates: "Пов'язано з"
+      duplicates: "Дублікати"
+      duplicated: "Дублюється"
+      blocks: "Блокування"
+      blocked: "Заблоковано"
+      precedes: "Передує"
+      follows: "Слідує"
+      includes: "Включити"
+      partof: "Частина"
+      requires: "вимагається"
+      required: "Необхідний для"
+      relation_type: "Тип зв'язку"
     relations_hierarchy:
-      parent_headline: ""
-      hierarchy_headline: ""
-      children_headline: ""
+      parent_headline: "Джерело"
+      hierarchy_headline: "Ієрархія"
+      children_headline: "Дочірні елементи"
     relation_buttons:
-      set_parent: ""
-      change_parent: ""
-      remove_parent: ""
-      hierarchy_indent: ""
-      hierarchy_outdent: ""
-      group_by_wp_type: ""
-      group_by_relation_type: ""
-      add_parent: ""
-      add_new_child: ""
-      create_new: ""
-      add_existing: ""
-      add_existing_child: ""
-      remove_child: ""
-      add_new_relation: ""
-      add_existing_relation: ""
-      update_description: ""
-      toggle_description: ""
-      update_relation: ""
-      add_follower: ""
-      add_predecessor: ""
-      remove: ""
-      save: ""
-      abort: ""
+      set_parent: "Встановити батьківську"
+      change_parent: "Змінити батьківський об'єкт"
+      remove_parent: "Видалити джерела"
+      hierarchy_indent: "Змістити ієрархію праворуч"
+      hierarchy_outdent: "Змістити ієрархію ліворуч"
+      group_by_wp_type: "Група за типом робочого пакета"
+      group_by_relation_type: "Група за типом відношення"
+      add_parent: "Додати існуюче джерело"
+      add_new_child: "Створити новий дочірній елемент"
+      create_new: "Створити новий"
+      add_existing: "Додати існуючий"
+      add_existing_child: "Додати існуючий дочірній елемент"
+      remove_child: "Видалити дочірній елемент"
+      add_new_relation: "Створити нове відношення"
+      add_existing_relation: "Додати існуюче співвідношення"
+      update_description: "Встановити або оновити опис цього відношення"
+      toggle_description: "Переключити опис відносин"
+      update_relation: "Натисніть, щоб змінити тип відносини"
+      add_follower: "Додати послідовника"
+      add_predecessor: "Додати попередника"
+      remove: "Видалити зв'язок"
+      save: "Зберегти відношення"
+      abort: "Відмінити"
     relations_autocomplete:
-      placeholder: ""
-      parent_placeholder: ""
+      placeholder: "Введіть для пошуку"
+      parent_placeholder: "Виберіть нові джерела або натисніть клавішу Escape, щоб скасувати."
     autocompleter:
-      placeholder: ""
-      notFoundText: ""
-      typeToSearchText: ""
+      placeholder: "Введіть для пошуку"
+      notFoundText: "Елементів не знайдено"
+      typeToSearchText: "Введіть для пошуку"
     repositories:
-      select_tag: ''
-      select_branch: ''
-    field_value_enter_prompt: ""
-    project_menu_details: ""
+      select_tag: 'Виберіть мітку'
+      select_branch: 'Виберіть гілку'
+    field_value_enter_prompt: "Введіть значення для «%{field}»"
+    project_menu_details: "Детальніше"
     scheduling:
-      manual: ''
-      automatic: ''
+      manual: 'Ручне планування'
+      automatic: 'Автоматичне планування'
     sort:
-      sorted_asc: ''
-      sorted_dsc: ''
-      sorted_no: ''
-      sorting_disabled: ''
-      activate_asc: ''
-      activate_dsc: ''
-      activate_no: ''
-    text_work_packages_destroy_confirmation: ""
-    text_query_destroy_confirmation: ""
-    text_attachment_destroy_confirmation: ""
+      sorted_asc: 'Застосовується сортування за зростанням,'
+      sorted_dsc: 'Застосовується сортування за спаданням,'
+      sorted_no: 'Не застосовано жодного сорту'
+      sorting_disabled: 'сортування відключено'
+      activate_asc: 'активувати виконання сортування за зростанням'
+      activate_dsc: 'активувати виконання сортування по спадаючій'
+      activate_no: 'активувати, щоб видалити сортування'
+    text_work_packages_destroy_confirmation: "Ви впевнені у тому, що хочете видалити вибрані робочі пакети?"
+    text_query_destroy_confirmation: "Ви дійсно бажаєте видалити вибраний вигляд?"
+    text_attachment_destroy_confirmation: "Ви впевнені, що бажаєте видалити вкладення?"
     timelines:
-      quarter_label: ''
-      gantt_chart: ''
+      quarter_label: 'Q%{quarter_number}'
+      gantt_chart: 'Діаграма Ганта'
       labels:
-        title: ''
-        bar: ''
-        left: ''
-        right: ''
-        farRight: ''
-        showNone: ''
+        title: 'Конфігурація мітки'
+        bar: 'смуга міток'
+        left: 'Ліворуч'
+        right: 'Зправа'
+        farRight: 'Далі вправо'
+        showNone: '- Немає мітки -'
         description: >
-
-      button_activate: ''
-      button_deactivate: ''
-      cancel:
-      change: ""
-      due_date: ""
-      empty: ""
-      error: ""
+          Виберіть атрибути, які потрібно відображати у відповідних положеннях діаграми Ганта в будь-який час. Зверніть увагу, що під час наведення елемента замість цих атрибутів буде показано його мітки.
+      button_activate: 'Показати діаграму Ганта'
+      button_deactivate: 'Сховати діаграму Ганта'
+      cancel: Скасувати
+      change: "Зміна планування"
+      due_date: "Дата закінчення"
+      empty: "(порожній)"
+      error: "Сталася помилка."
       errors:
-        not_implemented: ""
-        report_comparison: ""
-        report_epicfail: ""
-        report_timeout: ""
+        not_implemented: "Часова шкала не може бути відображена, оскільки вона використовує функцію, яка ще не реалізована."
+        report_comparison: "Часова шкала не може відобразити налаштовані порівняння. Будь ласка, перевірте відповідний розділ в конфігурації, скинувши його можна допомогти вирішити цю проблему."
+        report_epicfail: "Часова шкала не може бути завантажена через несподівану помилку."
+        report_timeout: "Часова шкала не може бути завантажена в розумний період часу."
       filter:
-        grouping_other: ""
-        noneSelection: ""
-      name: ""
-      outline: ""
+        grouping_other: "Інше"
+        noneSelection: "(нічого)"
+      name: "Ім’я"
+      outline: "Скинути виділення"
       outlines:
-        aggregation: ""
-        level1: ""
-        level2: ""
-        level3: ""
-        level4: ""
-        level5: ""
-        all: ""
-      project_status: ""
-      really_close_dialog: ""
-      responsible: ""
-      save:
-      start_date: ""
-      tooManyProjects: ""
+        aggregation: "Показати тільки агрегати"
+        level1: "Розширити рівень 1"
+        level2: "Розширити рівень 2"
+        level3: "Розширити рівень 3"
+        level4: "Розширити рівень 4"
+        level5: "Розширити рівень 5"
+        all: "Показати все"
+      project_status: "Статус Проекту"
+      really_close_dialog: "Ви дійсно хочете закрити діалог і втратити введені дані?"
+      responsible: "Надійний"
+      save: Зберегти
+      start_date: "Початок"
+      tooManyProjects: "Більше, ніж %{count} проект(-и,-ів). Будь ласка, використайте точніший фільтр!"
       selection_mode:
-        notification: ''
+        notification: 'Натисніть будь-який виділений робочий пакет, щоб створити відношення. Натисніть клавішу Escape, щоб скасувати.'
       zoom:
-        in: ""
-        out: ""
-        auto: ""
-        days: ""
-        weeks: ""
-        months: ""
-        quarters: ""
-        years: ""
-        slider: ""
+        in: "Збільшити масштаб"
+        out: "Зменшити масштаб"
+        auto: "Автозбільшення"
+        days: "Днів"
+        weeks: "Тижня"
+        months: "Місяців"
+        quarters: "Приміщенням"
+        years: "Років"
+        slider: "Повзунок масштабування"
         description: >
-
+          Виберіть початковий рівень масштабування, який має відображатися, коли функція автоматичного масштабування недоступна.
     tl_toolbar:
-      zooms: ""
-      outlines: ""
+      zooms: "Рівень масштабування"
+      outlines: "Рівень ієрархії"
     upsale:
-      ee_only: ''
+      ee_only: 'Функція Enterprise Edition'
     wiki_formatting:
-      strong: ""
-      italic: ""
-      underline: ""
-      deleted: ""
-      code: ""
-      heading1: ""
-      heading2: ""
-      heading3: ""
-      unordered_list: ""
-      ordered_list: ""
-      quote: ""
-      unquote: ""
-      preformatted_text: ""
-      wiki_link: ""
-      image: ""
+      strong: "Жирний"
+      italic: "Курсив"
+      underline: "Підкреслений"
+      deleted: "Видалений"
+      code: "Інлайн-код"
+      heading1: "Заголовок 1"
+      heading2: "Заголовок 2"
+      heading3: "Заголовок 3"
+      unordered_list: "Невпорядкований список"
+      ordered_list: "Нумерований список"
+      quote: "Цитата"
+      unquote: "Скасувати цитування"
+      preformatted_text: "Попередньо відформатований текст"
+      wiki_link: "Посилання на вікі-сторінку"
+      image: "Зображення"
     work_packages:
       bulk_actions:
-        move: ''
-        edit: ''
-        copy: ''
-        delete: ''
-      button_clear: ""
-      comment_added: ""
-      comment_send_failed: ""
-      comment_updated: ""
-      confirm_edit_cancel: ""
-      description_filter: ""
-      description_enter_text: ""
-      description_options_hide: ""
-      description_options_show: ""
-      edit_attribute: ""
-      key_value: ""
-      label_enable_multi_select: ""
-      label_disable_multi_select: ""
-      label_filter_add: ""
-      label_filter_by_text: ""
-      label_options: ""
-      label_column_multiselect: ""
-      message_error_during_bulk_delete:
-      message_successful_bulk_delete:
-      message_successful_show_in_fullscreen: ""
-      message_view_spent_time: ""
-      message_work_package_read_only: ""
-      message_work_package_status_blocked: ""
-      placeholder_filter_by_text: ""
+        move: 'Групова зміна проєкту'
+        edit: 'Масове редагування'
+        copy: 'Масова копія'
+        delete: 'Масове видалення'
+      button_clear: "Очистити"
+      comment_added: "Коментар був успішно доданий."
+      comment_send_failed: "Сталася помилка. Не вдалося додати коментар."
+      comment_updated: "Коментар був успішно оновлений."
+      confirm_edit_cancel: "Ви дійсно бажаєте скасувати редагування пакету робіт?"
+      description_filter: "Фільтр"
+      description_enter_text: "Введіть текст"
+      description_options_hide: "Сховати опції"
+      description_options_show: "Показати опції"
+      edit_attribute: "%{attribute} - Редагувати"
+      key_value: "%{key}: %{value}"
+      label_enable_multi_select: "Дозволити мультивибір"
+      label_disable_multi_select: "Не дозволяти мультивибір"
+      label_filter_add: "Додати фільтр"
+      label_filter_by_text: "Фільтрування за текстом"
+      label_options: "Опції"
+      label_column_multiselect: "Поле комбінованого випадаючого списку: виділіть за допомогою клавіш зі стрілками, підтвердьте вибір з Enter, видаліть з Backspace"
+      message_error_during_bulk_delete: Сталася помилка під час спроби вилучення пакету робіт.
+      message_successful_bulk_delete: Успішно видалено пакет робіт.
+      message_successful_show_in_fullscreen: "Клацніть тут, щоб відкрити цей пакет робіт в повноекранному режимі."
+      message_view_spent_time: "Показувати час, витрачений на цей робочий пакет"
+      message_work_package_read_only: "Робочий пакет заблоковано в цьому статусі. Атрибут, відмінний від статусу, може бути змінений."
+      message_work_package_status_blocked: "Пакет робіт недоступний для запису, оскільки призначено закритий статус або закриту версію."
+      placeholder_filter_by_text: "Тема, опис, коментарі, ..."
       inline_create:
-        title: ''
+        title: 'Клацніть тут, щоб додати до цього списку новий пакет робіт'
       create:
-        title: ''
-        header: ''
-        header_no_type: ''
-        header_with_parent: ''
-        button: ''
+        title: 'Новий пакет робіт'
+        header: 'Новий %{type}'
+        header_no_type: 'Новий робочий пакет (Тип ще не встановлено)'
+        header_with_parent: 'Новий %{type} (дочірній елемент %{parent_type} #%{id})'
+        button: 'Створити'
       copy:
-        title: ''
+        title: 'Копіювати робочий пакет'
       hierarchy:
-        show: ""
-        hide: ""
-        toggle_button: ''
-        leaf: ''
-        children_collapsed: ''
-        children_expanded: ''
+        show: "Показати режим ієрархії"
+        hide: "Приховати режим ієрархії"
+        toggle_button: 'Натисніть, щоб перемкнути режим ієрархії.'
+        leaf: 'Лист робочого пакета на рівні %{level}.'
+        children_collapsed: 'Рівень ієрархії %{level}, згорнутий. Натисніть, щоб показати відфільтровані дочірні елементи'
+        children_expanded: 'Рівень ієрархії %{level}, розгорнуто. Натисніть, щоб згорнути відфільтровані дочірні елементи'
       faulty_query:
-        title:
-        description:
+        title: Не вдалося завантажити робочі пакети.
+        description: Ваша думка помилкова і не може бути оброблена.
       no_results:
-        title:
-        description:
-      limited_results:
+        title: Немає пакетів робіт для показу.
+        description: Або нічого не було створено, або всі пакети робіт відфільтровані.
+      limited_results: 'Показати в ручному режимі сортування можна лише стільки робочих пакетів: %{count}. Зменште кількість результатів за допомогою фільтрації або виберіть автоматичне сортування.'
       property_groups:
-        details: ""
-        people: ""
-        estimatesAndTime: ""
-        other: ""
+        details: "Детальніше"
+        people: "Люди"
+        estimatesAndTime: "Оцінки та час"
+        other: "Інше"
       properties:
-        assignee: ""
-        author: ""
-        createdAt: ""
-        description: ""
-        date: ""
-        dueDate: ""
-        estimatedTime: ""
-        spentTime: ""
-        category: ""
-        percentageDone: ""
-        priority: ""
-        projectName: ""
-        responsible: ""
-        startDate: ""
-        status: ""
-        subject: ""
-        subproject: ""
-        title: ""
-        type: ""
-        updatedAt: ""
-        versionName: ""
-        version: ""
+        assignee: "Призначений"
+        author: "Автор"
+        createdAt: "Створений"
+        description: "Опис"
+        date: "Дата"
+        dueDate: "Дата закінчення"
+        estimatedTime: "Час (приблизно)"
+        spentTime: "Трудовитрати"
+        category: "Категорія"
+        percentageDone: "Процент виконання"
+        priority: "Пріоритет"
+        projectName: "Проект"
+        responsible: "Надійний"
+        startDate: "Початок"
+        status: "Статус"
+        subject: "Тема"
+        subproject: "Підпроект"
+        title: "Назва"
+        type: "Тип"
+        updatedAt: "Оновлене"
+        versionName: "Версія"
+        version: "Версія"
       default_queries:
-        latest_activity: ""
-        created_by_me: ""
-        assigned_to_me: ""
-        recently_created: ""
-        all_open: ""
-        summary: ""
+        latest_activity: "Останні дії"
+        created_by_me: "Створений мною"
+        assigned_to_me: "Призначено мені"
+        recently_created: "Нещодавно створений"
+        all_open: "Всі відкрити"
+        summary: "Резюме"
       jump_marks:
-        pagination: ""
-        label_pagination: ""
-        content: ""
-        label_content: ""
+        pagination: "Перейти до розбиття таблиці на сторінки"
+        label_pagination: "Клацніть тут, щоб пропустити пакунки робіт і перейти до розбивки на сторінки"
+        content: "Перейти до вмісту"
+        label_content: "Натисніть тут, щоб пропустити меню та перейти до вмісту"
       placeholders:
-        default: ""
-        date: ""
-        formattable: ""
+        default: "-"
+        date: "Виберіть дату"
+        formattable: "%{name}: натисніть, щоб редагувати..."
       query:
-        column_names: ""
-        group_by: ""
-        group: ""
-        group_by_disabled_by_hierarchy: ""
-        hierarchy_disabled_by_group_by: ""
-        sort_ascending: ""
-        sort_descending: ""
-        move_column_left: ""
-        move_column_right: ""
-        hide_column: ""
-        insert_columns: ""
-        filters: ""
-        display_sums: ""
-        confirm_edit_cancel: ""
-        click_to_edit_query_name: ""
-        rename_query_placeholder: ""
-        star_text: ""
+        column_names: "Стовпці"
+        group_by: "Групувати результати по"
+        group: "Групувати за"
+        group_by_disabled_by_hierarchy: "У режимі ієрархії угруповання відключена."
+        hierarchy_disabled_by_group_by: "Режим ієрархії вимкнено через групування результатів %{column}."
+        sort_ascending: "Сортувати за зростанням"
+        sort_descending: "Сортувати за спаданням"
+        move_column_left: "Перемістити стовпець ліворуч"
+        move_column_right: "Перемістити стовпець праворуч"
+        hide_column: "Приховати стовпчик"
+        insert_columns: "Вставити стовпці ..."
+        filters: "Фільтри"
+        display_sums: "Відображати суми"
+        confirm_edit_cancel: "Дійсно скасувати редагування імені цього перегляду? Заголовок повернеться до попереднього значення."
+        click_to_edit_query_name: "Натисніть, щоб змінити заголовок цього перегляду."
+        rename_query_placeholder: "Назва цього перегляду"
+        star_text: "Позначте це подання як улюблене та додайте на бічну панель збережених подань ліворуч."
         public_text: >
-
+          Опублікуйте це подання, надавши доступ до нього. Користувачі з дозволом «Керування загальнодоступними поданнями» можуть змінювати або вилучати загальнодоступні запити. Це не впливає на видимість результатів пакетів робіт у цьому поданні, і залежно від дозволів користувачі можуть бачити різні результати.
         errors:
-          unretrievable_query: ""
-          not_found: ""
-          duplicate_query_title: ""
-        text_no_results: ""
+          unretrievable_query: "Неможливо отримати перегляд з URL-адреси"
+          not_found: "Такого погляду немає"
+          duplicate_query_title: "Ім'я цього перегляду вже існує. Змінити все одно?"
+        text_no_results: "Не знайдено відповідних переглядів."
       scheduling:
-        is_parent: ""
-        is_switched_from_manual_to_automatic: ""
+        is_parent: "Дати цього пакета робіт автоматично виводяться з його дочірніх елементів. Активуйте «Ручне планування», щоб установити ці дати."
+        is_switched_from_manual_to_automatic: "Можливо, дати цього пакета робіт знадобиться перерахувати після переходу з ручного на автоматичне планування через зв’язок з іншими пакетами робіт."
       table:
-        configure_button: ''
-        summary: ""
-        text_inline_edit: ""
-        text_sort_hint: ""
-        text_select_hint: ""
+        configure_button: 'Налаштуйте таблицю робочих пакетів'
+        summary: "Таблиця з рядками пакетів робіт і стовпцями атрибутів пакетів робіт."
+        text_inline_edit: "Більшість секцій цієї таблиці - це кнопки, які активують функціонал інлайн-редагування відповідного атрибуту."
+        text_sort_hint: "За допомогою посилань в заголовках таблиці ви можете сортувати, групувати, перевпорядковувати, видаляти та додавати стовпці таблиці."
+        text_select_hint: "Прапорці можуть бути відкриті використовуючи «ALT» та клавіш зі стрілками."
       table_configuration:
-        button: ''
-        choose_display_mode: ''
-        modal_title: ''
-        embedded_tab_disabled: ""
-        default: ""
-        display_settings: ''
-        default_mode: ""
-        hierarchy_mode: ""
-        hierarchy_hint: ""
-        display_sums_hint: ""
-        show_timeline_hint: ""
-        highlighting: ''
+        button: 'Налаштуйте цю таблицю робочих пакетів'
+        choose_display_mode: 'Display work packages as'
+        modal_title: 'Конфігурація таблиці робочих пакетів'
+        embedded_tab_disabled: "Ця вкладка конфігурації недоступна для вбудованого вигляду, який ви редагуєте."
+        default: "типовий"
+        display_settings: 'Параметри дисплея'
+        default_mode: "Плоский список"
+        hierarchy_mode: "Ієрархія"
+        hierarchy_hint: "Всі відфільтровані результати таблиці будуть доповнені їхніми предками. Ієрархії можуть бути розширені та згорнуті."
+        display_sums_hint: "Відображати суми всіх підсумкових атрибутів під таблицею."
+        show_timeline_hint: "Покажіть інтерактивну діаграму Ганта у правій частині таблиці. Ви можете змінити її ширину, перетягнувши роздільник між таблицею та діаграмою Ганта."
+        highlighting: 'Підсвічування'
         highlighting_mode:
-          description: ""
-          none: ""
-          inline: ''
-          inline_all: ''
-          entire_row_by: ''
-          status: ''
-          priority: ''
-          type: ''
+          description: "Виділіть кольором"
+          none: "Немає підсвічування"
+          inline: 'Виділений атрибут(и)'
+          inline_all: 'Всі атрибути'
+          entire_row_by: 'Весь рядок по'
+          status: 'Статус'
+          priority: 'Пріоритет'
+          type: 'Тип'
         sorting_mode:
-          description: ''
-          automatic: ''
-          manually: ''
-          warning: ''
-        columns_help_text: ""
+          description: 'Виберіть режим, щоб відсортувати пакети робіт:'
+          automatic: 'Автоматично'
+          manually: 'Вручну'
+          warning: 'Ви втратите попереднє сортування при активації автоматичного сортування.'
+        columns_help_text: "Використовуйте поля введення вище, щоб додавати стовпці до свого подання таблиці. Ви можете перевпорядковувати стовпці перетягуванням."
         upsale:
-          attribute_highlighting: ''
-          relation_columns: ''
-          check_out_link: ''
+          attribute_highlighting: 'Потрібні певні робочі пакети, щоб виділитися зі скупчення?'
+          relation_columns: 'Потрібно бачити відносини у списку робочих пакетів?'
+          check_out_link: 'Перегляньте Enterprise Edition.'
         relation_filters:
-          filter_work_packages_by_relation_type: ''
+          filter_work_packages_by_relation_type: 'Фільтрувати пакети робіт за типом зв’язку'
       tabs:
-        overview:
-        activity:
-        relations:
-        watchers:
-        attachments:
+        overview: Огляд
+        activity: Активність
+        relations: Зв'язки
+        watchers: Спостерігачі
+        files: Файли
       time_relative:
-        days: ""
-        weeks: ""
-        months: ""
+        days: "днів"
+        weeks: "тижнів"
+        months: "місяців"
     toolbar:
       settings:
-        configure_view: ""
-        columns: ""
-        sort_by: ""
-        group_by: ""
-        display_sums: ""
-        display_hierarchy: ""
-        hide_hierarchy: ""
-        hide_sums: ""
-        save: ""
-        save_as: ""
-        export: ""
-        visibility_settings: ""
-        page_settings: ""
-        delete: ""
-      filter: ""
-      unselected_title: ""
-      search_query_label: ""
-      search_query_title: ""
-      placeholder_query_title: ""
+        configure_view: "Налаштувати перегляд ..."
+        columns: "Стовпці..."
+        sort_by: "Сортувати за ..."
+        group_by: "Групувати за ..."
+        display_sums: "Відображати суми"
+        display_hierarchy: "Відображення ієрархії"
+        hide_hierarchy: "Приховати ієрархію"
+        hide_sums: "Приховати суми"
+        save: "Зберегти"
+        save_as: "Зберегти як ..."
+        export: "Експортувати ..."
+        visibility_settings: "Налаштування видимості ..."
+        page_settings: "Перейменувати перегляд ..."
+        delete: "Видалити"
+      filter: "Фільтр"
+      unselected_title: "Пакет робіт"
+      search_query_label: "Пошук збережених переглядів"
+      search_query_title: "Натисніть, щоб знайти збережені перегляди"
+      placeholder_query_title: "Встановіть назву для цього перегляду"
     modals:
-      label_settings: ""
-      label_name: ""
-      label_delete_page: ""
-      button_apply: ""
-      button_save: ""
-      button_submit: ""
-      button_cancel: ""
+      label_settings: "Перейменувати вигляд"
+      label_name: "Ім’я"
+      label_delete_page: "Видалити поточну сторінку"
+      button_apply: "Застосувати"
+      button_save: "Зберегти"
+      button_submit: "Підтвердити"
+      button_cancel: "Скасувати"
       form_submit:
-        title: ''
-        text: ''
+        title: 'Підтвердьте продовження'
+        text: 'Дійсно виконати цю дію?'
       destroy_work_package:
-        title: ""
-        text: ""
-        has_children: ""
-        confirm_deletion_children: ""
-        deletes_children: ""
+        title: "Підтвердьте видалення %{label}"
+        text: "Дійсно видалити наступне %{label} ?"
+        has_children: "Робочий пакет має %{childUnits}"
+        confirm_deletion_children: "Я визнаю, що <b>ВСІ</b> нащадки перерахованих робочих пакетів будуть рекурсивно видалені."
+        deletes_children: "Всі дочірні робочі пакети та їх нащадки також будуть рекурсивно видалені."
       destroy_time_entry:
-        title: ""
-        text: ""
-    notice_no_results_to_display: ""
-    notice_successful_create: ""
-    notice_successful_delete: ""
-    notice_successful_update: ""
-    notice_job_started: ""
-    notice_bad_request: ""
+        title: "Підтвердьте видалення запису часу"
+        text: "Справді видалити наведений нижче запис часу?"
+    notice_no_results_to_display: "Не відображаються видимі результати."
+    notice_successful_create: "Створення успішно завершене."
+    notice_successful_delete: "Видалення успішно завершене."
+    notice_successful_update: "Успішно оновлено."
+    notice_job_started: "завдання почато."
+    notice_bad_request: "Неправильний Запит."
     relations:
-      empty:
-      remove:
+      empty: Немає жодних зв'язків
+      remove: Видалити зв'язок
     inplace:
-      button_edit: ""
-      button_save: ""
-      button_cancel: ""
-      button_save_all: ""
-      button_cancel_all: ""
-      link_formatting_help: ""
-      btn_preview_enable: ""
-      btn_preview_disable: ""
-      null_value_label: ""
-      clear_value_label: ""
+      button_edit: "%{attribute}: Редагувати"
+      button_save: "%{attribute}: Зберегти"
+      button_cancel: "%{attribute}: Скасувати"
+      button_save_all: "Зберегти"
+      button_cancel_all: "Скасувати"
+      link_formatting_help: "Довідка щодо форматування тексту"
+      btn_preview_enable: "Попередній перегляд"
+      btn_preview_disable: "Відключити попередній перегляд"
+      null_value_label: "Значення відсутнє"
+      clear_value_label: "-"
       errors:
-        required: ''
-        number: ''
-        maxlength: ''
-        minlength: ''
-        messages_on_field: ''
-    error_could_not_resolve_version_name: ""
-    error_could_not_resolve_user_name: ""
-    error_attachment_upload: ""
-    error_attachment_upload_permission: ""
+        required: '%{field} не може бути порожнім'
+        number: '%{field} не є припустимим числом'
+        maxlength: '%{field} не може містити більше, ніж %{maxLength} цифр(-у,-и)'
+        minlength: '%{field} не може містити менше, ніж %{minLength} цифр(-у,-и)'
+        messages_on_field: 'Це поле невірне: %{messages}'
+    error_could_not_resolve_version_name: "Не вдалося визначити версію"
+    error_could_not_resolve_user_name: "Не вдалося визначити ім'я користувача"
+    error_attachment_upload: "Не вдалося завантажити файл: %{error}"
+    error_attachment_upload_permission: "У вас немає дозволу завантажувати файли на цьому ресурсі."
     units:
       workPackage:
-        one: ""
-        few: ""
-        many: ""
-        other: ""
+        one: "Робочий пакет"
+        few: "робочі пакети."
+        many: "робочі пакети."
+        other: "робочі пакети."
       child_work_packages:
-        one: ""
-        few: ""
-        many: ""
-        other: ""
+        one: "один робочий пакет для дітей"
+        few: "%{count} робочий пакет дітей"
+        many: "%{count} робочий пакет дітей"
+        other: "%{count} робочий пакет дітей"
       hour:
-        one: ""
-        other: ""
-        zero: ""
+        one: "1 год"
+        other: "%{count} год"
+        zero: "0 год"
     zen_mode:
-      button_activate: ''
-      button_deactivate: ''
+      button_activate: 'Активуйте режим дзен'
+      button_deactivate: 'Деактивуйте режим дзен'
     global_search:
-      all_projects: ""
-      search: ""
-      close_search: ""
-      current_project: ""
-      current_project_and_all_descendants: ""
+      all_projects: "У всіх проектах"
+      search: "Пошук"
+      close_search: "Закрити пошук"
+      current_project: "У цьому проекті"
+      current_project_and_all_descendants: "У цьому проекті + підпроекти"
       title:
-        all_projects: ""
-        project_and_subprojects: ""
-        search_for: ""
+        all_projects: "всі проекти"
+        project_and_subprojects: "і всі підпроекти"
+        search_for: "Пошук по"
     views:
-      card: ''
-      list: ''
-      timeline: ''
+      card: 'Картки'
+      list: 'Таблиця'
+      timeline: 'Гантт'
     invite_user_modal:
-      back: ''
-      invite: ''
+      back: 'Назад'
+      invite: 'Запросити'
       title:
-        invite: ''
-        invite_to_project: ''
-        User: ''
-        Group: ''
-        PlaceholderUser: ''
-        invite_principal_to_project: ''
+        invite: 'Запросити користувача'
+        invite_to_project: 'Запросити користувача «%{type}» у проєкт «%{project}» '
+        User: 'користувач'
+        Group: 'група'
+        PlaceholderUser: 'прототип користувача'
+        invite_principal_to_project: 'Запросити користувача «%{principal}» у проєкт «%{project}»'
       project:
-        label: ''
-        required: ''
-        lacking_permission: ''
-        lacking_permission_info: ''
-        next_button: ''
-        no_results: ''
-        no_invite_rights: ''
+        label: 'Проект'
+        required: 'Виберіть проєкт'
+        lacking_permission: 'Виберіть інший проєкт, оскільки вам бракує прав, щоб призначати користувачам цей проєкт.'
+        lacking_permission_info: 'У вас немає дозволу призначати користувачів проєкту, який зараз відкрито. Виберіть інший.'
+        next_button: 'Далі'
+        no_results: 'Жодних проєктів не знайдено'
+        no_invite_rights: 'Ви не можете запрошувати учасників до цього проєкту'
       type:
-        required: ''
+        required: 'Виберіть тип користувача, якого потрібно запросити'
         user:
-          title: ''
-          description: ''
+          title: 'Користувач'
+          description: 'Дозволи, що ґрунтуються на призначеній ролі у вибраному проєкті'
         group:
-          title: ''
-          description: ''
+          title: 'Група'
+          description: 'Дозволи, що ґрунтуються на призначеній ролі у вибраному проєкті'
         placeholder:
-          title: ''
-          title_no_ee: ''
-          description: ''
-          description_no_ee: ''
+          title: 'Прототип користувача'
+          title_no_ee: 'Прототип користувача (лише в Enterprise Edition)'
+          description: 'Немає доступу до проєкту; електронні листи не відправляються.'
+          description_no_ee: 'Немає доступу до проєкту; електронні листи не відправляються. <br>Ознайомтеся з перевагами <a href="%{eeHref}" target="_blank">Enterprise Edition</a>.'
       principal:
         label:
-          name_or_email: ''
-          name: ''
-        already_member_message: ''
-        no_results_user: ''
-        invite_user: ''
-        no_results_placeholder: ''
-        create_new_placeholder: ''
-        no_results_group: ''
-        next_button: ''
+          name_or_email: 'Ім‘я або електронна адреса'
+          name: 'Ім’я'
+        already_member_message: 'Уже учасник проєкту «%{project}»'
+        no_results_user: 'Користувачів не знайдено'
+        invite_user: 'Запросити:'
+        no_results_placeholder: 'Прототипів не знайдено'
+        create_new_placeholder: 'Створити новий прототип:'
+        no_results_group: 'Груп не знайдено'
+        next_button: 'Далі'
         required:
-          user: ''
-          placeholder: ''
-          group: ''
+          user: 'Виберіть користувача'
+          placeholder: 'Виберіть прототип'
+          group: 'Виберіть групу'
       role:
-        label: ''
-        no_roles_found: ''
-        description: ''
-        required: ''
-        next_button: ''
+        label: 'Ролі у проєкті «%{project}»'
+        no_roles_found: 'Ролей не знайдено'
+        description: 'Це роль, яку користувач %{principal} отримає в разі приєднання до вашого проєкту. Роль визначає, які дії йому дозволено та яку інформацію він може бачити. <a href="https://docs.openproject.org/system-admin-guide/users-permissions/roles-permissions/#roles-and-permissions" target="_blank"> Дізнатися більше про ролі й дозволи. </a>'
+        required: 'Виберіть роль'
+        next_button: 'Далі'
       message:
-        label: ''
-        description: ''
-        next_button: ''
+        label: 'Повідомлення із запрошенням'
+        description: 'Ми надішлемо електронний лист користувачу %{principal}, у яке ви можете додати особисте повідомлення. Радимо додати пояснення про запрошення або, можливо, деяку інформацію про проєкт, щоб простити користувачу початок роботи.'
+        next_button: 'Переглянути запрошення'
       summary:
-        next_button: ''
+        next_button: 'Надіслати запрошення'
       success:
-        title: ''
+        title: 'Користувача %{principal} запрошено!'
         description:
-          user: ''
-          placeholder: ''
-          group: ''
-        next_button: ''
+          user: 'Користувач тепер може ввійти, щоб отримати доступ до проєкту %{project}. Тим часом ви вже можете включати цього користувача в план і призначати йому пакети робіт.'
+          placeholder: 'Прототип тепер може ввійти, щоб отримати доступ до проєкту «%{project}». Тим часом ви вже можете включати цього користувача в план і призначати йому пакети робіт.'
+          group: 'Ця група тепер входить у проєкт «%{project}». Тим часом ви вже можете включати її в план і призначати їй пакети робіт.'
+        next_button: 'Продовжити'
     include_projects:
-      toggle_title: ''
-      title: ''
-      clear_selection: ''
-      apply: ''
+      toggle_title: 'Включити проєкти'
+      title: 'Проекти'
+      clear_selection: 'Очистити вибране'
+      apply: 'Застосувати'
       selected_filter:
-        all: ''
-        selected: ''
-      search_placeholder: ''
+        all: 'Всі проекти'
+        selected: 'Тільки вибране'
+      search_placeholder: 'Пошук у проєкті…'
     forms:
-      submit_success_message: ''
-      load_error_message: ''
-      validation_error_message: ''
-      advanced_settings: ''
+      submit_success_message: 'Форму надіслано'
+      load_error_message: 'Сталася помилка під час завантаження форми'
+      validation_error_message: 'Виправте помилки у формі'
+      advanced_settings: 'Розширені налаштування'
+    spot:
+      filter_chip:
+        remove: 'Видалити'
+      drop_modal:
+        Close: 'Закрити'
diff --git a/config/locales/crowdin/js-vi.yml b/config/locales/crowdin/js-vi.yml
index e7c5740e36..341b614170 100644
--- a/config/locales/crowdin/js-vi.yml
+++ b/config/locales/crowdin/js-vi.yml
@@ -22,1148 +22,1160 @@
 vi:
   js:
     ajax:
-      hide: ""
-      loading: ""
+      hide: "Ẩn"
+      loading: "Đang tải..."
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
-
+        Kéo trên trường được soạn thảo để chèn ảnh hoặc file đính kèm. Trường soạn thảo đang được đóng sẽ được mở lại khi bạn kéo thả.
     autocomplete_select:
       placeholder:
-        multi: ""
-        single: ""
-      remove: ""
-      active: ""
+        multi: "Thêm \"%{name}\""
+        single: "Chọn \"%{name}\""
+      remove: "Xoá %{name}"
+      active: "Kích hoạt %{label} %{name}"
     backup:
-      attachments_disabled:
+      attachments_disabled: Các tệp đính kèm có thể không được thêm vào vì chúng vượt quá kích thước tối đa được phép. Bạn có thể thay đổi điều này thông qua cấu hình (yêu cầu khởi động lại máy chủ).
       info: >
-
+        Bạn có thể kích hoạt một bản sao lưu ở đây. Quá trình có thể mất một chút thời gian tùy thuộc vào lượng dữ liệu (đặc biệt là tệp đính kèm) bạn có. Bạn sẽ nhận được một email sau khi nó sẵn sàng.
       note: >
-
-      last_backup:
-      last_backup_from:
-      title:
-      options:
-      include_attachments:
-      download_backup:
-      request_backup:
-    close_popup_title: ""
-    close_filter_title: ""
-    close_form_title: ""
-    button_add_watcher: ""
-    button_add: ""
-    button_back: ""
-    button_back_to_list_view: ""
-    button_cancel: ""
-    button_close: ""
-    button_change_project: ""
-    button_check_all: ""
-    button_configure-form: ""
-    button_confirm: ""
-    button_continue: ""
-    button_copy: ""
-    button_copy_to_other_project: ""
-    button_custom-fields: ""
-    button_delete: ""
-    button_delete_watcher: ""
-    button_details_view: ""
-    button_duplicate: ""
-    button_edit: ""
-    button_filter: ""
-    button_collapse_all: ""
-    button_expand_all: ""
-    button_advanced_filter: ""
-    button_list_view: ""
-    button_show_view: ""
-    button_log_time: ""
-    button_more: ""
-    button_open_details: ""
-    button_close_details: ""
-    button_open_fullscreen: ""
-    button_show_cards: ""
-    button_show_list: ""
-    button_quote: ""
-    button_save: ""
-    button_settings: ""
-    button_uncheck_all: ""
-    button_update: ""
-    button_export-pdf: ""
-    button_export-atom: ""
-    button_create: ""
+        Một bản sao lưu mới sẽ ghi đè cái trước đó. Số lượng bản sao lưu mỗi ngày là bị hạn chế.
+      last_backup: Sao lưu gần đây
+      last_backup_from: Sao lưu gần đây nhất từ
+      title: Sao lưu OpenProject
+      options: Tuỳ chọn
+      include_attachments: Bao gồm các tệp đính kèm
+      download_backup: Tải xuống bản sao lưu
+      request_backup: Yêu cầu sao lưu
+    close_popup_title: "Đóng"
+    close_filter_title: "Đóng bộ lọc"
+    close_form_title: "Đóng biểu mẫu"
+    button_add_watcher: "Thêm người theo dõi"
+    button_add: "Thêm"
+    button_back: "Quay lại"
+    button_back_to_list_view: "Quay lại danh sách"
+    button_cancel: "Hủy"
+    button_close: "Đóng"
+    button_change_project: "Đổi dự án"
+    button_check_all: "Đánh dấu tất cả"
+    button_configure-form: "Cấu hình biểu mẫu"
+    button_confirm: "Xác nhận"
+    button_continue: "Tiếp tục"
+    button_copy: "Sao chép"
+    button_copy_to_other_project: "Copy to other project"
+    button_custom-fields: "Tùy chỉnh mục"
+    button_delete: "Xoá"
+    button_delete_watcher: "Xóa người xem"
+    button_details_view: "Thông tin chi tiết xem"
+    button_duplicate: "Nhân đôi"
+    button_edit: "Chỉnh sửa"
+    button_filter: "Bộ lọc"
+    button_collapse_all: "Thu gọn tất cả"
+    button_expand_all: "Mở rộng tất cả"
+    button_advanced_filter: "Bộ lọc nâng cao"
+    button_list_view: "Xem kiểu danh sách"
+    button_show_view: "Xem toàn màn hình"
+    button_log_time: "Thời gian truy cập"
+    button_more: "Xem thêm"
+    button_open_details: "Mở thông tin chi tiết xem"
+    button_close_details: "Đóng xem chi tiết"
+    button_open_fullscreen: "Mở chế độ toàn màn hình"
+    button_show_cards: "Hiển thị duới dạng thẻ"
+    button_show_list: "Hiển thị dưới dạng danh sách"
+    button_quote: "Trích dẫn"
+    button_save: "Lưu"
+    button_settings: "Cài đặt"
+    button_uncheck_all: "Bỏ chọn tất cả"
+    button_update: "Cập Nhật"
+    button_export-pdf: "Tải PDF"
+    button_export-atom: "Tải về Atom"
+    button_create: "Tạo mới"
     card:
-      add_new: ''
+      add_new: 'Thêm thẻ mới'
       highlighting:
-        inline: ''
-        entire_card_by: ''
-      remove_from_list: ''
-    caption_rate_history: ""
+        inline: 'Đánh dấu nội tuyến:'
+        entire_card_by: 'Toàn bộ thẻ của'
+      remove_from_list: 'Xóa thẻ khỏi danh sách'
+    caption_rate_history: "Rate history"
     clipboard:
-      browser_error: ""
-      copied_successful: ""
+      browser_error: "Trình duyệt không hỗ trợ copy vào clipboard. Vui lòng copy văn bản đã chọn theo cách thủ công."
+      copied_successful: "Successfully copied to clipboard!"
     chart:
-      type: ''
-      axis_criteria: ''
-      modal_title: ''
+      type: 'Kiểu đồ thị'
+      axis_criteria: 'Tiêu chí trục'
+      modal_title: 'Bảng cấu hình công việc'
       types:
-        line: ''
-        horizontal_bar: ''
-        bar: ''
-        pie: ''
-        doughnut: ''
-        radar: ''
-        polar_area: ''
+        line: 'Dòng'
+        horizontal_bar: 'Cột ngang'
+        bar: 'Thanh'
+        pie: 'Biểu đồ tròn'
+        doughnut: 'Bánh vòng'
+        radar: 'Ra đa'
+        polar_area: 'Vùng cực'
       tabs:
-        graph_settings: ''
-        dataset: ''
+        graph_settings: 'Tổng quan'
+        dataset: 'Dataset %{number}'
       errors:
-        could_not_load: ''
-    description_available_columns: ""
-    description_current_position: ""
-    description_select_work_package: ""
-    description_selected_columns: ""
-    description_subwork_package: ""
+        could_not_load: 'The data to display the graph could not be loaded. The necessary permissions may be lacking.'
+    description_available_columns: "Cột có sẵn"
+    description_current_position: "Bạn đang ở đây:"
+    description_select_work_package: "Chọn work package #%{id}"
+    description_selected_columns: "Các cột được lựa chọn"
+    description_subwork_package: "Con của work package #%{id}"
     editor:
-      preview: ''
-      source_code: ''
-      error_saving_failed: ''
-      ckeditor_error: ''
+      preview: 'Bật tắt chế độ xem trước'
+      source_code: 'Toggle Markdown source mode'
+      error_saving_failed: 'Saving the document failed with the following error: %{error}'
+      ckeditor_error: 'An error occurred within CKEditor'
       mode:
-        manual: ''
-        wysiwyg: ''
+        manual: 'Switch to Markdown source'
+        wysiwyg: 'Switch to WYSIWYG editor'
       macro:
-        error: ''
+        error: 'Cannot expand macro: %{message}'
         attribute_reference:
-          macro_help_tooltip: ''
-          not_found: ''
-          invalid_attribute: ""
+          macro_help_tooltip: 'This text segment is being dynamically rendered by a macro.'
+          not_found: 'Requested resource could not be found'
+          invalid_attribute: "The selected attribute '%{name}' does not exist."
         child_pages:
-          button: ''
-          include_parent: ''
-          text: ''
-          page: ''
-          this_page: ''
+          button: 'Liên kết đến trang con'
+          include_parent: 'Bao gồm trang trước'
+          text: '[Placeholder] Liên kết tới trang con của'
+          page: 'Trang wiki'
+          this_page: 'trang này'
           hint: |
-
+            Để trường này rỗng đẻ liệt kêtất cả các trang con của trang hiện tại. Nếu bạn muốn tham chiếu đến một trang khác, hãy cung cấp tiêu đề hoặc lời bình của trang.
         code_block:
-          button: ''
-          title: ''
-          language: ''
-          language_hint: ''
+          button: 'Chèn đoạn mã'
+          title: 'Insert / sửa đoạn mã'
+          language: 'Định dạng ngôn ngữ'
+          language_hint: 'Nhập ngôn ngữ định dạng sẽ được sử dụng để làm nổi bật (nếu được hỗ trợ).'
         dropdown:
-          macros: ''
-          chose_macro: ''
-        toc: ''
-        toolbar_help: ''
+          macros: 'Macro'
+          chose_macro: 'Chọn macro'
+        toc: 'Mục lục'
+        toolbar_help: 'Bấm vào để chọn tiện ích và hiển thị thanh công cụ. Bấm đúp để chỉnh sửa tiện ích'
         wiki_page_include:
-          button: ''
-          text: ''
-          page: ''
-          not_set: ''
+          button: 'Bao gồm các nội dung của một trang wiki khác'
+          text: '[Placeholder] bao gồm trang wiki của'
+          page: 'Trang wiki'
+          not_set: '(Trang chưa được thiết lập)'
           hint: |
-
+            Bao gồm các nội dung của các trang wiki khác bằng cách xác định các tiêu đề hoặc bình luận. Bạn có thể bao gồm các trang wiki của dự án khác bằng cách tách chúng với một dấu phẩy như ví dụ sau.
         work_package_button:
-          button: ''
-          type: ''
-          button_style: ''
-          button_style_hint: ''
-          without_type: ''
-          with_type: ''
+          button: 'Chèn nút tạo gói'
+          type: 'Kiểu của gói công việc'
+          button_style: 'Sử dụng kiểu nút'
+          button_style_hint: 'Tùy chọn: Kiểm tra xem macro xuất hiện như là một nút, chứ không phải là một liên kết.'
+          without_type: 'Work package liên quan'
+          with_type: 'Tạo gói công việc (loại: %{typename})'
         embedded_table:
-          button: ''
-          text: ''
+          button: 'Nhúng danh sách gói công việc dưới dạng bảng'
+          text: '[Placeholder] gói công việc nhúng'
         embedded_calendar:
-          text: ''
+          text: '[Placeholder] Embedded calendar'
     admin:
       type_form:
-        custom_field: ''
-        inactive: ''
-        drag_to_activate: ""
-        add_group: ""
-        add_table: ""
-        edit_query: ''
-        new_group: ''
-        reset_to_defaults: ''
+        custom_field: 'Tùy chỉnh mục'
+        inactive: 'Không hoạt động'
+        drag_to_activate: "Drag fields from here to activate them"
+        add_group: "Thêm 1 nhóm thuộc tính"
+        add_table: "Add table of related work packages"
+        edit_query: 'Chỉnh sửa truy vấn'
+        new_group: 'Nhóm mới'
+        reset_to_defaults: 'Đặt lại về mặc định'
       enterprise:
-        text_reprieve_days_left: ""
-        text_expired: ""
+        text_reprieve_days_left: "%{days} days until end of grace period"
+        text_expired: "expired"
         trial:
-          confirmation: ""
+          confirmation: "Confirmation of email address"
           confirmation_info: >
-
+            We sent you an email on %{date} to %{email}. Please check your inbox and click the confirmation link provided to start your 14 days trial.
           form:
             general_consent: >
-
-            invalid_email: ""
-            label_company: ""
-            label_first_name: ""
-            label_last_name: ""
-            label_domain: ""
-            label_subscriber: ""
-            label_maximum_users: ""
-            label_starts_at: ""
-            label_expires_at: ""
-            receive_newsletter:
-            taken_domain:
-            taken_email:
-          email_not_received: ""
-          try_another_email: ""
-          next_steps: ""
-          resend_link: ""
-          resend_success: ""
-          resend_warning: ""
-          session_timeout: ""
-          status_label: ""
-          status_confirmed: ""
-          status_waiting: ""
-          test_ee: ""
-          quick_overview: ""
+              I agree with the <a target="_blank" href="%{link_terms}">terms of service</a> and the <a target="_blank" href="%{link_privacy}">privacy policy</a>.
+            invalid_email: "Invalid email address"
+            label_company: "Company"
+            label_first_name: "Tên"
+            label_last_name: "Họ"
+            label_domain: "Domain"
+            label_subscriber: "Người đăng ký"
+            label_maximum_users: "Số người dùng hoạt động tối đa"
+            label_starts_at: "Starts at"
+            label_expires_at: "Hết hạn lúc"
+            receive_newsletter: I want to receive the OpenProject <a target="_blank" href="%{link}">newsletter</a>.
+            taken_domain: There can only be one active trial per domain.
+            taken_email: Each user can only create one trial.
+          email_not_received: "You did not receive an email? You can resend the email with the link on the right."
+          try_another_email: "Or try it with another email address."
+          next_steps: "Next steps"
+          resend_link: "Resend"
+          resend_success: "Email has been resent. Please check your emails and click the confirmation link provided."
+          resend_warning: "Could not resend email."
+          session_timeout: "Your session timed out. Please try to reload the page or resend email."
+          status_label: "Status:"
+          status_confirmed: "xác nhận"
+          status_waiting: "email sent - waiting for confirmation"
+          test_ee: "Test the Enterprise Edition 14 days for free"
+          quick_overview: "Get a quick overview of project management and team collaboration with OpenProject Enterprise Edition."
         upsale:
-          become_hero: ""
+          become_hero: "Become a hero!"
           benefits:
-            description: ""
-            high_security: ""
-            high_security_text: ""
-            installation: ""
-            installation_text: ""
-            premium_features: ""
-            premium_features_text: ""
-            professional_support: ""
-            professional_support_text: ""
-          button_start_trial: ""
-          button_book_now: ""
+            description: "Những lợi ích của phiên bản doanh nghiệp là gì?"
+            high_security: "Security features"
+            high_security_text: "Single sign on (SAML, OpenID Connect, CAS), two-factor authentication and automatic sync of LDAP groups."
+            installation: "Installation support"
+            installation_text: "Experienced software engineers guide you through the complete installation and setup process in your own infrastructure."
+            premium_features: "Premium features"
+            premium_features_text: "Agile boards, custom theme and logo, graphs, intelligent workflows with custom actions, full text search for work package attachments and multi-select custom fields."
+            professional_support: "Hỗ trợ chuyên nghiệp"
+            professional_support_text: "Get reliable, high-touch support from senior support engineers with expert knowledge about running OpenProject in business-critical environments."
+          button_start_trial: "Bắt đầu dùng thử miễn phí"
+          button_book_now: "Đặt chỗ ngay"
           confidence: >
-
-          link_quote: ""
+            We deliver the confidence of a tested and supported enterprise-class project management software - with Open Source and an open mind.
+          link_quote: "Lấy trích dẫn"
           text: >
-
-          unlimited: ""
-          you_contribute: ""
+            The OpenProject Enterprise Edition builds on top of the Community Edition. It includes premium features and professional support mainly aimed at organizations with more than 10 users that manage business critical projects with OpenProject.
+          unlimited: "Unlimited"
+          you_contribute: "Developers need to pay their bills, too. With the Enterprise Edition, you substantially contribute to this Open Source community effort."
     custom_actions:
       date:
-        specific: ''
-        current_date: ''
+        specific: 'lúc'
+        current_date: 'Ngày hiện tại'
     error:
-      internal: ""
-      cannot_save_changes_with_message: ""
-      query_saving: ""
-      embedded_table_loading: ""
-    enumeration_activities: ""
-    enumeration_doc_categories: ""
-    enumeration_work_package_priorities: ""
+      internal: "Lỗi nội bộ đã xảy ra."
+      cannot_save_changes_with_message: "Không thể lưu thay đổi của bạn do lỗi sau: %{error}"
+      query_saving: "Các tiêu chí không thể được lưu."
+      embedded_table_loading: "Không thể nạp được vùng nhìn nhúng: %{message}"
+    enumeration_activities: "Hoạt động (theo dõi thời gian)"
+    enumeration_doc_categories: "Document categories"
+    enumeration_work_package_priorities: "Độ ưu tiên của work package"
     filter:
-      more_values_not_shown: ""
+      more_values_not_shown: "There are %{total} more results, search to filter results."
       description:
-        text_open_filter: ""
-        text_close_filter: ""
-      noneElement: ""
+        text_open_filter: "Mở bộ lọc này với 'ALT' và phím mũi tên."
+        text_close_filter: "Để nhập thôi ô đang kích hoạt nội dung Vd ấn enter. Nếu không muốn lọc lựa chọn mục rỗng đầu tiên."
+      noneElement: "(trống)"
       time_zone_converted:
-        two_values: ""
-        only_start: ""
-        only_end: ""
-      value_spacer: ""
+        two_values: "%{from} - %{to} in your local time."
+        only_start: "From %{from} in your local time."
+        only_end: "Till %{to} in your local time."
+      value_spacer: "-"
       sorting:
         criteria:
-          one: ""
-          two: ""
-          three: ""
-      upsale_for_more: ""
-      upsale_link: ''
-    general_text_no: ""
-    general_text_yes: ""
-    general_text_No: ""
-    general_text_Yes: ""
+          one: "Tiêu chí phân loại đầu tiên"
+          two: "Tiêu chí phân loại thứ hai"
+          three: "Tiêu chí phân loại thứ ba"
+      upsale_for_more: "Để xem thêm các lọc nâng cao, hãy kiểm tra các"
+      upsale_link: 'Phiên bản doanh nghiệp.'
+    general_text_no: "không"
+    general_text_yes: "có"
+    general_text_No: "Không"
+    general_text_Yes: "Có"
     hal:
       error:
-        update_conflict_refresh: ""
-        edit_prohibited: ""
+        update_conflict_refresh: "Nhấn vào đây để làm mới tài nguyên và cập nhật lên phiên bản mới nhất."
+        edit_prohibited: "Chỉnh sửa%{attribute} bị chặn đối với tài nguyên này. Thuộc tính này có nguồn gốc từ các mối quan hệ (ví dụ: trẻ em) hoặc mặt khác không thể định cấu hình."
         format:
-          date: ""
-        general: ""
+          date: "%{attribute} không phải là ngày hợp lệ - phải là YYYY-MM-DD."
+        general: "Lỗi đã xảy ra."
     homescreen:
       blocks:
         new_features:
-          text_new_features: ""
-          learn_about: ""
+          text_new_features: "Read about new features and product updates."
+          learn_about: "Tìm hiểu thêm về các tính năng mới"
           #Include the version to invalidate outdated translations in other locales.
           #Otherwise, e.g. chinese might still have the translations for 10.0 in the 12.0 release.
           '12_0':
             standard:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
+                The release contains various new features and improvements: <br> <ul class="%{list_styling_class}"> <li>With the new <b>in-app notifications</b> you receive all important updates directly in the application and don't get a flood of emails anymore.</li> <li>The new <b>notification center</b> shows all the changes, including intuitive filter options, e.g. by reason for notification or projects. It even allows editing directly in a split view.</li> <li>Improved <b>notification settings</b> allow to fine-tune for which actions and in which projects you want to receive a notification.</li> <li><b>Email reminders</b> can be configured to receive important updates via a daily email summary.</li> <li>The work package auto-completer for relations now also shows additional information (project name, status, ...) to easily identify the respective work package.</li> </ul>
             bim:
-              learn_about_link:
+              learn_about_link: https://www.openproject.org/blog/openproject-12-0-release
               new_features_html: >
-
-    label_activate: ""
-    label_add_column_after: ""
-    label_add_column_before: ""
-    label_add_columns: ""
-    label_add_comment: ""
-    label_add_comment_title: ""
-    label_add_row_after: ""
-    label_add_row_before: ""
-    label_add_selected_columns: ""
-    label_added_by: ""
-    label_added_time_by: ""
-    label_ago: ""
-    label_all: ""
-    label_all_work_packages: ""
-    label_and: ""
-    label_ascending: ""
-    label_author: ""
-    label_avatar: ""
-    label_between: ""
-    label_board: ""
-    label_board_locked: ""
-    label_board_plural: ""
-    label_board_sticky: ""
-    label_change: ""
-    label_create: ""
-    label_create_work_package: ""
-    label_created_by: ""
-    label_date: ""
-    label_date_with_format: ""
-    label_deactivate: ""
-    label_descending: ""
-    label_description: ""
-    label_details: ""
-    label_display: ""
-    label_cancel_comment: ""
-    label_closed_work_packages: ""
-    label_collapse: ""
-    label_collapsed: ""
-    label_collapse_all: ""
-    label_comment: ""
-    label_committed_at: ""
-    label_committed_link: ""
-    label_contains: ""
-    label_created_on: ""
-    label_edit_comment: ""
-    label_edit_status: ""
-    label_email: ""
-    label_equals: ""
-    label_expand: ""
-    label_expanded: ""
-    label_expand_all: ""
-    label_expand_project_menu: ""
-    label_export: ""
-    label_export_preparing: ""
-    label_filename: ""
-    label_filesize: ""
-    label_general: ""
-    label_global_roles: ""
-    label_greater_or_equal: ""
-    label_group: ''
-    label_group_by: ""
-    label_group_plural: ""
-    label_hide_attributes: ""
-    label_hide_column: ""
-    label_hide_project_menu: ""
-    label_in: ""
-    label_in_less_than: ""
-    label_in_more_than: ""
-    label_incoming_emails: ""
-    label_information_plural: ""
-    label_import: ""
-    label_latest_activity: ""
-    label_last_updated_on: ""
-    label_learn_more_link: ""
-    label_less_or_equal: ""
-    label_less_than_ago: ""
-    label_loading: ""
-    label_mail_notification: ""
-    label_me: ""
-    label_meeting_agenda: ""
-    label_meeting_minutes: ""
-    label_menu_collapse: ""
-    label_menu_expand: ""
-    label_more_than_ago: ""
-    label_next: ""
-    label_no_color: ""
-    label_no_data: ""
-    label_no_due_date: ""
-    label_no_start_date: ""
-    label_no_value: ""
-    label_none: ""
-    label_not_contains: ""
-    label_not_equals: ""
-    label_on: ""
-    label_open_menu: ""
-    label_open_context_menu: ""
-    label_open_work_packages: ""
-    label_password: ""
-    label_previous: ""
-    label_per_page: ""
-    label_please_wait: ""
-    label_project_plural: ""
-    label_visibility_settings: ""
-    label_quote_comment: ""
-    label_recent: ""
-    label_reset: ""
-    label_remove: ""
-    label_remove_column: ""
-    label_remove_columns: ""
-    label_remove_row: ""
-    label_report: ""
-    label_repository_plural: ""
-    label_save_as: ""
-    label_select_watcher: ""
-    label_selected_filter_list: ""
-    label_show_attributes: ""
-    label_show_in_menu: ""
-    label_sort_by: ""
-    label_sorted_by: ""
-    label_sort_higher: ""
-    label_sort_lower: ""
-    label_sorting: ""
-    label_spent_time: ""
-    label_star_query: ""
-    label_press_enter_to_save: ""
-    label_public_query: ""
-    label_sum: ""
-    label_sum_for: ""
-    label_total_sum: ""
-    label_subject: ""
-    label_this_week: ""
-    label_today: ""
-    label_time_entry_plural: ""
-    label_up: ""
-    label_user_plural: ""
-    label_activity_show_only_comments: ""
-    label_activity_show_all: ""
-    label_total_progress: ""
-    label_total_amount: ""
-    label_updated_on: ""
-    label_value_derived_from_children: ""
-    label_children_derived_duration: ""
-    label_warning: ""
-    label_work_package: ""
-    label_work_package_parent: ""
-    label_work_package_plural: ""
-    label_watch: ""
-    label_watch_work_package: ""
-    label_watcher_added_successfully: ""
-    label_watcher_deleted_successfully: ""
-    label_work_package_details_you_are_here: ""
-    label_unwatch: ""
-    label_unwatch_work_package: ""
-    label_uploaded_by: ""
-    label_default_queries: ""
-    label_starred_queries: ""
-    label_global_queries: ""
-    label_custom_queries: ""
-    label_create_new_query: ""
-    label_columns: ""
-    label_attachments:
-    label_drop_files:
-    label_drop_files_hint:
-    label_drop_folders_hint:
-    label_add_attachments: ""
-    label_formattable_attachment_hint: ""
-    label_remove_file: ""
-    label_remove_watcher: ""
-    label_remove_all_files:
-    label_add_description: ""
-    label_upload_notification: ""
-    label_work_package_upload_notification: ""
-    label_wp_id_added_by: ""
-    label_files_to_upload: ""
-    label_rejected_files: ""
-    label_rejected_files_reason: ""
-    label_wait: ""
-    label_upload_counter: ""
-    label_validation_error: ""
-    label_version_plural: ""
-    label_view_has_changed: ""
+                The release contains various new features and improvements: <br> <ul class="%{list_styling_class}"> <li>Notification center: Reduce the number of mails you receive. Instead find and act upon all relevant notifications in one central place.</li> <li>All uploaded IFC files can now also be downloaded.</li> <li>The uploading and processing of IFC got faster and received better error messages.</li> <li>The <a href="https://github.com/opf/openproject-revit-add-in">OpenProject Revit Add-in</a> received many bug fixes.</li> </ul>
+    label_activate: "Activate"
+    label_add_column_after: "Thêm cột phía sau"
+    label_add_column_before: "Thêm cột phía trước"
+    label_add_columns: "Add columns"
+    label_add_comment: "Thêm bình luận"
+    label_add_comment_title: "Comment and type @ to notify other people"
+    label_add_row_after: "Thêm dòng bên dưới"
+    label_add_row_before: "Thêm dòng bên trên"
+    label_add_selected_columns: "Thêm cột đang chọn"
+    label_added_by: "được gửi bởi"
+    label_added_time_by: "Added by <a href=%{authorLink}>%{author}</a> at %{age}"
+    label_ago: "vài ngày trước"
+    label_all: "tất cả"
+    label_all_work_packages: "Tất cả công việc"
+    label_and: "and"
+    label_ascending: "Tăng dần"
+    label_author: "Tác giả: %{user}"
+    label_avatar: "Hình đại diện"
+    label_between: "giữa"
+    label_board: "Bảng"
+    label_board_locked: "Đã khóa"
+    label_board_plural: "Bảng"
+    label_board_sticky: "Chú ý"
+    label_change: "Thay đổi"
+    label_create: "Tạo mới"
+    label_create_work_package: "Create new work package"
+    label_created_by: "Được tạo bởi"
+    label_date: "Ngày"
+    label_date_with_format: "Nhập vào %{date_attribute} bằng cách sử dụng định dạng sau: %{format}"
+    label_deactivate: "Tắt"
+    label_descending: "Giảm dần"
+    label_description: "Mô tả"
+    label_details: "Chi tiết"
+    label_display: "Hiển thị"
+    label_cancel_comment: "Hủy bình luận"
+    label_closed_work_packages: "đã đóng"
+    label_collapse: "Thu gọn"
+    label_collapsed: "đóng"
+    label_collapse_all: "Thu gọn tất cả"
+    label_comment: "Nhận xét"
+    label_committed_at: "%{committed_revision_link} lúc %{date}"
+    label_committed_link: "phiên bản commit %{revision_identifier}"
+    label_contains: "bao gồm"
+    label_created_on: "tạo ngày"
+    label_edit_comment: "Chỉnh sửa chú thích này"
+    label_edit_status: "Trạng thái chỉnh sửa của nhóm công việc"
+    label_email: "Thư điện tử"
+    label_equals: "là"
+    label_expand: "Mở rộng"
+    label_expanded: "đã mở rộng"
+    label_expand_all: "Mở rộng tất cả"
+    label_expand_project_menu: "Mở rộng menu dự án"
+    label_export: "Xuất"
+    label_export_preparing: "The export is being prepared and will be downloaded shortly."
+    label_filename: "Tệp"
+    label_filesize: "Kích cỡ"
+    label_general: "Tổng quan"
+    label_global_roles: "Global Roles"
+    label_greater_or_equal: ">="
+    label_group: 'Nhóm'
+    label_group_by: "Nhóm theo"
+    label_group_plural: "Các Nhóm"
+    label_hide_attributes: "Hiện ít hơn"
+    label_hide_column: "Ẩn cột"
+    label_hide_project_menu: "Thu gọn menu dự án"
+    label_in: "trong"
+    label_in_less_than: "ít hơn"
+    label_in_more_than: "nhiều hơn"
+    label_incoming_emails: "Các thư đến"
+    label_information_plural: "Thông tin"
+    label_import: "Nhập"
+    label_latest_activity: "Hoạt động mới nhất"
+    label_last_updated_on: "Cập nhật lần cuối lúc"
+    label_learn_more_link: "Learn more"
+    label_less_or_equal: "<="
+    label_less_than_ago: "less than days ago"
+    label_loading: "Loading..."
+    label_mail_notification: "Thông báo qua email"
+    label_me: "me"
+    label_meeting_agenda: "Các ý chính"
+    label_meeting_minutes: "Phút"
+    label_menu_collapse: "thu lại"
+    label_menu_expand: "mở rộng"
+    label_more_than_ago: "nhiều hơn mấy ngày trước"
+    label_next: "Tiếp"
+    label_no_color: "Không màu"
+    label_no_data: "Không có dữ liệu để hiển thị"
+    label_no_due_date: "no finish date"
+    label_no_start_date: "không có ngày bắt đầu"
+    label_no_value: "Không có giá trị"
+    label_none: "không"
+    label_not_contains: "không chứa"
+    label_not_equals: "không là"
+    label_on: "lúc"
+    label_open_menu: "Mở trình đơn"
+    label_open_context_menu: "Mở menu ngữ cảnh"
+    label_open_work_packages: "mở"
+    label_password: "Mật khẩu"
+    label_previous: "Trước đó"
+    label_per_page: "Mỗi trang:"
+    label_please_wait: "Vui lòng chờ"
+    label_project_plural: "Các dự án"
+    label_visibility_settings: "Cài đặt hiển thị"
+    label_quote_comment: "Trích bình luận này"
+    label_recent: "Gần đây"
+    label_reset: "Reset"
+    label_remove: "Xoá"
+    label_remove_column: "Xóa cột"
+    label_remove_columns: "Loại bỏ cột được chọn"
+    label_remove_row: "Xóa hàng"
+    label_report: "Báo cáo"
+    label_repository_plural: "Kho lưu trữ"
+    label_save_as: "Lưu thành"
+    label_select_watcher: "Chọn một người theo dõi..."
+    label_selected_filter_list: "Các bộ lọc đã chọn: %s"
+    label_show_attributes: "Hiển thị tất cả các thuộc tính"
+    label_show_in_menu: "Hiển thị chế độ xem trong menu"
+    label_sort_by: "Sort by"
+    label_sorted_by: "sắp xếp theo"
+    label_sort_higher: "Chuyển lên"
+    label_sort_lower: "Dịch xuống"
+    label_sorting: "Sắp xếp"
+    label_spent_time: "Thời gian"
+    label_star_query: "Ưa thích"
+    label_press_enter_to_save: "Nhấn enter để lưu."
+    label_public_query: "Công cộng"
+    label_sum: "Tổng"
+    label_sum_for: "Tổng cho"
+    label_total_sum: "Total sum"
+    label_subject: "Chủ đề"
+    label_this_week: "tuần này"
+    label_today: "Today"
+    label_time_entry_plural: "Thời gian"
+    label_up: "Lên"
+    label_user_plural: "Người dùng"
+    label_activity_show_only_comments: "Hiển thị các hoạt động với các bình luận"
+    label_activity_show_all: "Hiển thị các hoạt động"
+    label_total_progress: "%{percent}% Tổng tiến độ"
+    label_total_amount: "Tổng số tiền%{amount}"
+    label_updated_on: "cập Nhật ngày"
+    label_value_derived_from_children: "(value derived from children)"
+    label_children_derived_duration: "Work package's children derived duration"
+    label_warning: "Warning"
+    label_work_package: "Work Package"
+    label_work_package_parent: "Parent work package"
+    label_work_package_plural: "Work Packages"
+    label_watch: "Theo dõi"
+    label_watch_work_package: "Xem gói công việc"
+    label_watcher_added_successfully: "Đã thêm nhận xét thành công."
+    label_watcher_deleted_successfully: "Watcher successfully deleted!"
+    label_work_package_details_you_are_here: "You're on the %{tab} tab for %{type} %{subject}."
+    label_unwatch: "Ngừng theo dõi"
+    label_unwatch_work_package: "Unwatch work package"
+    label_uploaded_by: "Uploaded by"
+    label_default_queries: "Giao diện Mặc định"
+    label_starred_queries: "Mục xem ưa thích"
+    label_global_queries: "Mục xem công khai"
+    label_custom_queries: "Mục xem riêng"
+    label_columns: "Cột"
+    label_attachments: Đính kèm
+    label_drop_files: Thả các tập tin ở đây
+    label_drop_files_hint: hoặc nhấn vào đây để thêm tập tin
+    label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
+    label_add_attachments: "Tệp đính kèm"
+    label_formattable_attachment_hint: "Đính kèm và liên kết tập tin bằng cách thả vào đây, hoặc copy và dán."
+    label_remove_file: "Xóa %{fileName}"
+    label_remove_watcher: "Loại bỏ người theo dõi %{name}"
+    label_remove_all_files: Xóa tất cả các tập tin
+    label_add_description: "Thêm mô tả cho %{file}"
+    label_upload_notification: "Tải lên tệp tin..."
+    label_work_package_upload_notification: "Tải file cho một công việc #%{id}: %{subject}"
+    label_wp_id_added_by: "#%{id} added by %{author}"
+    label_files_to_upload: "Những tập tin này sẽ được tải lên:"
+    label_rejected_files: "Các tệp này không thể được tải lên:"
+    label_rejected_files_reason: "Các tệp này không thể được tải lên như kích thước của họ là lớn hơn %{maximumFilesize}"
+    label_wait: "Xin vui lòng chờ cho cấu hình..."
+    label_upload_counter: "%{done} %{count} tập tin hoàn thành"
+    label_validation_error: "Không thể lưu các công việc do các lỗi sau đây:"
+    label_version_plural: "Các phiên bản"
+    label_view_has_changed: "This view has unsaved changes. Click to save them."
     help_texts:
-      show_modal: ''
+      show_modal: 'Hiển thị văn bản trợ giúp'
     onboarding:
       buttons:
-        skip: ''
-        next: ''
-        got_it: ''
+        skip: 'Bỏ qua'
+        next: 'Tiếp'
+        got_it: 'Đã hiểu'
       steps:
-        help_menu: ''
-        members: ''
-        project_selection: ''
-        quick_add_button: ''
-        sidebar_arrow: ""
-        welcome: ''
-        wiki: ''
+        help_menu: 'The Help (?) menu provides <b>additional help resources</b>. Here you can find a user guide and helpful how-to videos and more. <br> Enjoy your work with OpenProject!'
+        members: 'Invite new <b>members</b> to join your project.'
+        project_selection: 'Please click on one of the demo projects that we have prepared. Demo data is currently only available in English. <br> The general <b>demo project</b> suits best for classical project management, while the <b>Scrum project</b> is better for agile project management.'
+        quick_add_button: 'Click on the plus (+) icon in the header navigation to <b>create a new project</b> or to <b>invite coworkers</b>.'
+        sidebar_arrow: "Use the return arrow in the top left corner to return to the project’s <b>main menu</b>."
+        welcome: 'Take a three minutes introduction tour to learn the most <b>important features</b>. <br> We recommend completing the steps until the end. You can restart the tour any time.'
+        wiki: 'Within the <b>wiki</b> you can document and share knowledge together with your team.'
         backlogs:
-          overview: ""
-          sprints: ""
-          task_board_arrow: ''
-          task_board_select: ''
-          task_board: ""
+          overview: "Manage your work in the <b>backlogs</b> view."
+          sprints: "On the right you have the product backlog and the bug backlog, on the left you have the respective sprints. Here you can create <b>epics, user stories, and bugs</b>, prioritize via drag & drop and add them to a sprint."
+          task_board_arrow: 'To see your <b>task board</b>, open the sprint drop-down...'
+          task_board_select: '...and select the <b>task board</b> entry.'
+          task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
-          overview: ''
-          lists: ''
-          add: ''
-          drag: ''
+          overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
+          add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
+          drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
-          toggler: ""
-          list: ''
-          full_view: ''
-          back_button: ''
-          create_button: ''
-          timeline_button: ''
-          timeline: ''
+          toggler: "Now let's have a look at the <b>work package</b> section, which gives you a more detailed view of your work."
+          list: 'This <b>work</b> package overview provides a list of all the work in your project, such as tasks, milestones, phases, and more. <br> Work packages can be created and edited directly from this view. To access the details of a particular work package, simply double-click its row.'
+          full_view: 'The <b>work package details</b> view provides all the relevant information pertaining to a given work package, such as its description, status, priority, activities, dependencies, and comments.'
+          back_button: 'Use the return arrow in the top left corner to exit and return to the work package list.'
+          create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
+          timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
+          timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
-      title: ""
-      no_unread: ""
+      title: "Notifications"
+      no_unread: "No unread notifications"
       reasons:
-        mentioned: ''
-        watched: ''
-        assigned: ''
-        responsible: ''
+        mentioned: 'mentioned'
+        watched: 'watched'
+        assigned: 'assigned'
+        responsible: 'accountable'
       facets:
-        unread: ''
-        all: ''
+        unread: 'Unread'
+        all: 'Toàn bộ'
       center:
         and_more_users:
-          other: ''
+          other: 'and %{count} others'
         no_results:
-          at_all: ''
-          with_current_filter: ''
-        mark_all_read: ''
-        mark_as_read: ''
-        text_update_date: ""
-        total_count_warning: ""
+          at_all: 'New notifications will appear here when there is activity that concerns you'
+          with_current_filter: 'There are no notifications in this view at the moment'
+        mark_all_read: 'Mark all as read'
+        mark_as_read: 'Mark as read'
+        text_update_date: "%{date} by"
+        total_count_warning: "Showing the %{newest_count} most recent notifications. %{more_count} more are not displayed."
         empty_state:
-          no_notification: ""
-          no_notification_with_current_filter: ""
-          no_selection: ""
+          no_notification: "Looks like you're all caught up."
+          no_notification_with_current_filter: "Change of involvement or go back to the Inbox to view notifications"
+          no_selection: "Click on a notification to view all activity details."
         new_notifications:
-          message: ''
-          link_text: ''
+          message: 'There are new notifications.'
+          link_text: 'Click here to load them'
       menu:
-        accountable: ''
-        assigned: ''
-        by_project: ''
-        by_reason: ''
-        inbox: ''
-        mentioned: ''
-        watching: ''
+        accountable: 'Trách nhiệm'
+        assigned: 'Assigned'
+        by_project: 'Unread by project'
+        by_reason: 'Involvement'
+        inbox: 'Inbox'
+        mentioned: '@mentioned'
+        watching: 'Watching'
       settings:
-        change_notification_settings: ''
-        title: ""
-        notify_me: ""
+        change_notification_settings: 'To view and change your notification settings, <a target="_blank" href="%{url}">click here</a>'
+        title: "Notification settings"
+        notify_me: "Notify me"
         reasons:
           mentioned:
-            title: ''
-            description: ''
+            title: 'I am @mentioned'
+            description: 'Receive a notification every time someone mentions me anywhere'
           involved:
-            title: ''
-            description: ''
-          watched: ''
-          work_package_commented: ''
-          work_package_created: ''
-          work_package_processed: ''
-          work_package_prioritized: ''
-          work_package_scheduled: ''
+            title: 'Assigned to me or accountable'
+            description: 'Receive notifications for all activities on work packages for which I am assignee or accountable'
+          watched: 'Updates on watched items'
+          work_package_commented: 'All new comments'
+          work_package_created: 'New work packages'
+          work_package_processed: 'All status changes'
+          work_package_prioritized: 'All priority changes'
+          work_package_scheduled: 'All date changes'
         global:
           immediately:
-            title: ''
-            description: ''
+            title: 'Notify me immediately'
+            description: 'These settings apply to all projects. You can create project-specific exceptions below.'
           delayed:
-            title: ''
-            description: ''
+            title: 'Also notify me for'
+            description: 'Receive notifications for these activities on work packages in all projects:'
         project_specific:
-          title: ''
-          description: ''
-          add: ''
-          already_selected: ''
-          remove: ''
+          title: 'Project-specific notification settings'
+          description: 'These project-specific settings override default settings above'
+          add: 'Add setting for project'
+          already_selected: 'This project is already selected'
+          remove: 'Remove project settings'
     password_confirmation:
-      field_description: ''
-      title: ''
+      field_description: 'You need to enter your account password to confirm this change.'
+      title: 'Confirm your password to continue'
     pagination:
-      no_other_page: ""
+      no_other_page: "Bạn đang trên trang duy nhất."
       pages:
-        next: ""
-        previous: ""
+        next: "Chuyển đến trang tiếp theo"
+        previous: "Trở lại trang trước"
     placeholders:
-      default: ''
-      subject: ''
-      selection: ''
-      relation_description: ''
+      default: '-'
+      subject: 'Nhập tiêu đề ở đây'
+      selection: 'Vui lòng chọn'
+      relation_description: 'Click to add description for this relation'
     project:
       required_outside_context: >
-
-      context: ''
-      work_package_belongs_to: ''
-      click_to_switch_context: ''
-      confirm_template_load: ''
-      use_template: ""
-      no_template_selected: ""
+        Please choose a project to create the work package in to see all attributes. You can only select projects which have the type above activated.
+      context: 'Project context'
+      work_package_belongs_to: 'This work package belongs to project %{projectname}.'
+      click_to_switch_context: 'Open this work package in that project.'
+      confirm_template_load: 'Switching the template will reload the page and you will lose all input to this form. Continue?'
+      use_template: "Use template"
+      no_template_selected: "(None)"
       copy:
-        copy_options: ""
+        copy_options: "Tùy chọn sao chép"
       autocompleter:
-        label: ''
+        label: 'Project autocompletion'
     reminders:
       settings:
         daily:
-          add_time: ''
-          enable: ''
-          explanation: ''
-          no_time_zone: ''
-          time_label: ''
-          title: ''
+          add_time: 'Add time'
+          enable: 'Enable daily email reminders'
+          explanation: 'You will receive these reminders only for unread notifications and only at hours you specify. %{no_time_zone}'
+          no_time_zone: 'Until you configure a time zone for your account, the times will be interpreted to be in UTC.'
+          time_label: 'Time %{counter}:'
+          title: 'Send me daily email reminders for unread notifications'
         workdays:
-          title: ''
+          title: 'Receive email reminders on these days'
         immediate:
-          title: ''
-          mentioned: ''
+          title: 'Send me an email reminder'
+          mentioned: 'Immediately when someone @mentions me'
         alerts:
-          title: ''
+          title: 'Email alerts for other items (that are not work packages)'
           explanation: >
-
-          news_added: ''
-          news_commented: ''
-          document_added: ''
-          forum_messages: ''
-          wiki_page_added: ''
-          wiki_page_updated: ''
-          membership_added: ''
-          membership_updated: ''
-        title: ''
+            Notifications today are limited to work packages. You can choose to continue receiving email alerts for these events until they are included in notifications:
+          news_added: 'Đã thêm tin'
+          news_commented: 'Comment on a news item'
+          document_added: 'Documents added'
+          forum_messages: 'New forum messages'
+          wiki_page_added: 'Đã thêm trang Wiki'
+          wiki_page_updated: 'Trang Wiki đã được cập nhật'
+          membership_added: 'Membership added'
+          membership_updated: 'Membership updated'
+        title: 'Email reminders'
         pause:
-          label: ''
-          first_day: ''
-          last_day: ''
-    text_are_you_sure: ""
-    text_data_lost: ""
+          label: 'Temporarily pause daily email reminders'
+          first_day: 'First day'
+          last_day: 'Last day'
+    text_are_you_sure: "Are you sure?"
+    text_data_lost: "All entered data will be lost."
     types:
       attribute_groups:
-        error_duplicate_group_name: ""
-        error_no_table_configured: ""
-        reset_title: ""
+        error_duplicate_group_name: "The name %{group} is used more than once. Group names must be unique."
+        error_no_table_configured: "Please configure a table for %{group}."
+        reset_title: "Reset form configuration"
         confirm_reset: >
-
-        upgrade_to_ee: ""
-        upgrade_to_ee_text: ""
-        more_information: ""
-        nevermind: ""
+          Chú ý: Bạn có chắc bạn muốn đặt lại cấu hình dạng? Điều này sẽ thiết lập lại các thuộc tính của nhóm mặc định và vô hiệu hóa tất cả các trường tùy chỉnh.
+        upgrade_to_ee: "Nâng cấp lên phiên bản doanh nghiệp"
+        upgrade_to_ee_text: "Wow! If you need this feature you are a super pro! Would you mind supporting us OpenSource developers by becoming an Enterprise Edition client?"
+        more_information: "More information"
+        nevermind: "Nevermind"
       edit:
-        form_configuration: ""
-        projects: ""
-        settings: ""
+        form_configuration: "Cấu hình biểu mẫu"
+        projects: "Các dự án"
+        settings: "Cài đặt"
     time_entry:
-      project: ''
-      work_package: ''
-      work_package_required: ''
-      activity: ''
-      comment: ''
-      duration: ''
-      spent_on: ''
-      hours: ''
-      title: ''
+      project: 'Dự án'
+      work_package: 'Work Package'
+      work_package_required: 'Yều cầu chọn một gói công việc đầu tiên.'
+      activity: 'Hoạt động'
+      comment: 'Nhận xét'
+      duration: 'Duration'
+      spent_on: 'Ngày'
+      hours: 'Giờ'
+      title: 'Thời gian truy cập'
     two_factor_authentication:
-      label_two_factor_authentication: ''
+      label_two_factor_authentication: 'Two-factor authentication'
     watchers:
-      label_loading:
-      label_error_loading:
-      label_search_watchers:
-      label_add:
-      label_discard:
-      typeahead_placeholder:
+      label_loading: lấy danh sách người theo dõi...
+      label_error_loading: Lỗi khi tải về danh sách người theo dõi
+      label_search_watchers: Tìm kiếm người theo dõi
+      label_add: Thêm người theo dõi
+      label_discard: Loại bỏ lựa chọn
+      typeahead_placeholder: Search for possible watchers
     relation_labels:
-      parent: ""
-      children: ""
-      relates: ""
-      duplicates: ""
-      duplicated: ""
-      blocks: ""
-      blocked: ""
-      precedes: ""
-      follows: ""
-      includes: ""
-      partof: ""
-      requires: ""
-      required: ""
-      relation_type: ""
+      parent: "Cha"
+      children: "Children"
+      relates: "Related To"
+      duplicates: "Duplicates"
+      duplicated: "Duplicated by"
+      blocks: "Blocks"
+      blocked: "Blocked by"
+      precedes: "Precedes"
+      follows: "Follows"
+      includes: "Includes"
+      partof: "Part of"
+      requires: "Requires"
+      required: "Required by"
+      relation_type: "relation type"
     relations_hierarchy:
-      parent_headline: ""
-      hierarchy_headline: ""
-      children_headline: ""
+      parent_headline: "Cha"
+      hierarchy_headline: "Hệ thống phân cấp"
+      children_headline: "Children"
     relation_buttons:
-      set_parent: ""
-      change_parent: ""
-      remove_parent: ""
-      hierarchy_indent: ""
-      hierarchy_outdent: ""
-      group_by_wp_type: ""
-      group_by_relation_type: ""
-      add_parent: ""
-      add_new_child: ""
-      create_new: ""
-      add_existing: ""
-      add_existing_child: ""
-      remove_child: ""
-      add_new_relation: ""
-      add_existing_relation: ""
-      update_description: ""
-      toggle_description: ""
-      update_relation: ""
-      add_follower: ""
-      add_predecessor: ""
-      remove: ""
-      save: ""
-      abort: ""
+      set_parent: "Set parent"
+      change_parent: "Change parent"
+      remove_parent: "Remove parent"
+      hierarchy_indent: "Indent hierarchy"
+      hierarchy_outdent: "Outdent hierarchy"
+      group_by_wp_type: "Group by work package type"
+      group_by_relation_type: "Group by relation type"
+      add_parent: "Add existing parent"
+      add_new_child: "Create new child"
+      create_new: "Create new"
+      add_existing: "Add existing"
+      add_existing_child: "Add existing child"
+      remove_child: "Remove child"
+      add_new_relation: "Create new relation"
+      add_existing_relation: "Add existing relation"
+      update_description: "Set or update description of this relation"
+      toggle_description: "Toggle relation description"
+      update_relation: "Click to change the relation type"
+      add_follower: "Add follower"
+      add_predecessor: "Add predecessor"
+      remove: "Loại bỏ các mối quan hệ"
+      save: "Save relation"
+      abort: "Abort"
     relations_autocomplete:
-      placeholder: ""
-      parent_placeholder: ""
+      placeholder: "Type to search"
+      parent_placeholder: "Choose new parent or press escape to cancel."
     autocompleter:
-      placeholder: ""
-      notFoundText: ""
-      typeToSearchText: ""
+      placeholder: "Type to search"
+      notFoundText: "No items found"
+      typeToSearchText: "Type to search"
     repositories:
-      select_tag: ''
-      select_branch: ''
-    field_value_enter_prompt: ""
-    project_menu_details: ""
+      select_tag: 'Chọn từ khóa'
+      select_branch: 'Chọn nhánh'
+    field_value_enter_prompt: "Enter a value for '%{field}'"
+    project_menu_details: "Chi tiết"
     scheduling:
-      manual: ''
-      automatic: ''
+      manual: 'Manual scheduling'
+      automatic: 'Automatic scheduling'
     sort:
-      sorted_asc: ''
-      sorted_dsc: ''
-      sorted_no: ''
-      sorting_disabled: ''
-      activate_asc: ''
-      activate_dsc: ''
-      activate_no: ''
-    text_work_packages_destroy_confirmation: ""
-    text_query_destroy_confirmation: ""
-    text_attachment_destroy_confirmation: ""
+      sorted_asc: 'Ascending sort applied, '
+      sorted_dsc: 'Descending sort applied, '
+      sorted_no: 'No sort applied, '
+      sorting_disabled: 'sorting is disabled'
+      activate_asc: 'activate to apply an ascending sort'
+      activate_dsc: 'activate to apply a descending sort'
+      activate_no: 'activate to remove the sort'
+    text_work_packages_destroy_confirmation: "Are you sure you want to delete the selected work package(s)?"
+    text_query_destroy_confirmation: "Bạn muốn xóa các mục đã chọn?"
+    text_attachment_destroy_confirmation: "Bạn có chắc bạn muốn xóa tập tin đính kèm?"
     timelines:
-      quarter_label: ''
-      gantt_chart: ''
+      quarter_label: 'Q%{quarter_number}'
+      gantt_chart: 'Biểu đồ Gantt'
       labels:
-        title: ''
-        bar: ''
-        left: ''
-        right: ''
-        farRight: ''
-        showNone: ''
+        title: 'Cấu hình nhãn'
+        bar: 'Bar labels'
+        left: 'Left'
+        right: 'Right'
+        farRight: 'Far right'
+        showNone: '-- No label --'
         description: >
-
-      button_activate: ''
-      button_deactivate: ''
-      cancel:
-      change: ""
-      due_date: ""
-      empty: ""
-      error: ""
+          Select the attributes you want to be shown in the respective positions of the Gantt chart at all times. Note that when hovering an element, its date labels will be shown instead of these attributes.
+      button_activate: 'Xem biểu đồ sự kiện'
+      button_deactivate: 'Ân biểu đồ sự kiện'
+      cancel: Hủy
+      change: "Change in planning"
+      due_date: "Ngày hoàn thành"
+      empty: "(empty)"
+      error: "Lỗi đã xảy ra."
       errors:
-        not_implemented: ""
-        report_comparison: ""
-        report_epicfail: ""
-        report_timeout: ""
+        not_implemented: "The timeline could not be rendered because it uses a feature that is not yet implemented."
+        report_comparison: "The timeline could not render the configured comparisons. Please check the appropriate section in the configuration, resetting it can help solve this problem."
+        report_epicfail: "The timeline could not be loaded due to an unexpected error."
+        report_timeout: "The timeline could not be loaded in a reasonable amount of time."
       filter:
-        grouping_other: ""
-        noneSelection: ""
-      name: ""
-      outline: ""
+        grouping_other: "Khác"
+        noneSelection: "(trống)"
+      name: "Tên"
+      outline: "Reset Outline"
       outlines:
-        aggregation: ""
-        level1: ""
-        level2: ""
-        level3: ""
-        level4: ""
-        level5: ""
-        all: ""
-      project_status: ""
-      really_close_dialog: ""
-      responsible: ""
-      save:
-      start_date: ""
-      tooManyProjects: ""
+        aggregation: "Show aggregations only"
+        level1: "Expand level 1"
+        level2: "Expand level 2"
+        level3: "Expand level 3"
+        level4: "Expand level 4"
+        level5: "Expand level 5"
+        all: "Show all"
+      project_status: "Tình trạng dự án"
+      really_close_dialog: "Do you really want to close the dialog and lose the entered data?"
+      responsible: "Chịu trách nhiệm"
+      save: Lưu
+      start_date: "Ngày bắt đầu"
+      tooManyProjects: "More than %{count} Projects. Please use a better filter!"
       selection_mode:
-        notification: ''
+        notification: 'Click on any highlighted work package to create the relation. Press escape to cancel.'
       zoom:
-        in: ""
-        out: ""
-        auto: ""
-        days: ""
-        weeks: ""
-        months: ""
-        quarters: ""
-        years: ""
-        slider: ""
+        in: "Phóng to"
+        out: "Thu nhỏ"
+        auto: "Auto zoom"
+        days: "Days"
+        weeks: "Weeks"
+        months: "Months"
+        quarters: "Quarters"
+        years: "Years"
+        slider: "Zoom slider"
         description: >
-
+          Chọn mức phóng to ban đầu sẽ được hiển thị khi phóng tự động không có sẵn.
     tl_toolbar:
-      zooms: ""
-      outlines: ""
+      zooms: "Zoom level"
+      outlines: "Hierarchy level"
     upsale:
-      ee_only: ''
+      ee_only: 'Enterprise Edition only feature'
     wiki_formatting:
-      strong: ""
-      italic: ""
-      underline: ""
-      deleted: ""
-      code: ""
-      heading1: ""
-      heading2: ""
-      heading3: ""
-      unordered_list: ""
-      ordered_list: ""
-      quote: ""
-      unquote: ""
-      preformatted_text: ""
-      wiki_link: ""
-      image: ""
+      strong: "Strong"
+      italic: "Italic"
+      underline: "Underline"
+      deleted: "Deleted"
+      code: "Inline Code"
+      heading1: "Heading 1"
+      heading2: "Heading 2"
+      heading3: "Heading 3"
+      unordered_list: "Unordered List"
+      ordered_list: "Ordered List"
+      quote: "Trích dẫn"
+      unquote: "Unquote"
+      preformatted_text: "Preformatted Text"
+      wiki_link: "Link to a Wiki page"
+      image: "Image"
     work_packages:
       bulk_actions:
-        move: ''
-        edit: ''
-        copy: ''
-        delete: ''
-      button_clear: ""
-      comment_added: ""
-      comment_send_failed: ""
-      comment_updated: ""
-      confirm_edit_cancel: ""
-      description_filter: ""
-      description_enter_text: ""
-      description_options_hide: ""
-      description_options_show: ""
-      edit_attribute: ""
-      key_value: ""
-      label_enable_multi_select: ""
-      label_disable_multi_select: ""
-      label_filter_add: ""
-      label_filter_by_text: ""
-      label_options: ""
-      label_column_multiselect: ""
-      message_error_during_bulk_delete:
-      message_successful_bulk_delete:
-      message_successful_show_in_fullscreen: ""
-      message_view_spent_time: ""
-      message_work_package_read_only: ""
-      message_work_package_status_blocked: ""
-      placeholder_filter_by_text: ""
+        move: 'Bulk change of project'
+        edit: 'Chỉnh sửa hàng loạt'
+        copy: 'Sao chép hàng loạt'
+        delete: 'Xoá hàng loạt'
+      button_clear: "Xóa"
+      comment_added: "Bình luận được thêm thành công."
+      comment_send_failed: "Lỗi đã xảy ra. Không thể gửi bình luận."
+      comment_updated: "Các bình luận đã được cập nhật thành công."
+      confirm_edit_cancel: "Bạn có chắc bạn muốn hủy bỏ chỉnh sửa work package?"
+      description_filter: "Bộ lọc"
+      description_enter_text: "Nhập văn bản"
+      description_options_hide: "Hide options"
+      description_options_show: "Show options"
+      edit_attribute: "%{attribute} - chỉnh sửa"
+      key_value: "%{key}: %{value}"
+      label_enable_multi_select: "Enable multiselect"
+      label_disable_multi_select: "Disable multiselect"
+      label_filter_add: "Thêm bộ lọc"
+      label_filter_by_text: "Lọc bởi %text"
+      label_options: "Tuỳ chọn"
+      label_column_multiselect: "Combined dropdown field: Select with arrow keys, confirm selection with enter, delete with backspace"
+      message_error_during_bulk_delete: An error occurred while trying to delete work packages.
+      message_successful_bulk_delete: Successfully deleted work packages.
+      message_successful_show_in_fullscreen: "Click vào đây để mở work package này trong chế độ xem toàn màn hình."
+      message_view_spent_time: "Show spent time for this work package"
+      message_work_package_read_only: "Work package is locked in this status. No attribute other than status can be altered."
+      message_work_package_status_blocked: "Work package status is not writable due to closed status and closed version being assigned."
+      placeholder_filter_by_text: "Chủ đề, mô tả, bình luận, ..."
       inline_create:
-        title: ''
+        title: 'Click vào đây để thêm một work package mới vào danh sách này'
       create:
-        title: ''
-        header: ''
-        header_no_type: ''
-        header_with_parent: ''
-        button: ''
+        title: 'Work package mới'
+        header: 'New %{type}'
+        header_no_type: 'New work package (Type not yet set)'
+        header_with_parent: 'New %{type} (Child of %{parent_type} #%{id})'
+        button: 'Tạo mới'
       copy:
-        title: ''
+        title: 'Sao chép gói công việc'
       hierarchy:
-        show: ""
-        hide: ""
-        toggle_button: ''
-        leaf: ''
-        children_collapsed: ''
-        children_expanded: ''
+        show: "Show hierarchy mode"
+        hide: "Hide hierarchy mode"
+        toggle_button: 'Click to toggle hierarchy mode.'
+        leaf: 'Work package leaf at level %{level}.'
+        children_collapsed: 'Hierarchy level %{level}, collapsed. Click to show the filtered children'
+        children_expanded: 'Hierarchy level %{level}, expanded. Click to collapse the filtered children'
       faulty_query:
-        title:
-        description:
+        title: Work packages could not be loaded.
+        description: Trình bày của bạn là sai và không thể được xử lý.
       no_results:
-        title:
-        description:
-      limited_results:
+        title: Không có gói công việc để hiển thị.
+        description: Không có gì được tạo ra hoặc tất cả các gói công việc đã được lọc.
+      limited_results: Only %{count} work packages can be shown in manual sorting mode. Please reduce the results by filtering, or switch to automatic sorting.
       property_groups:
-        details: ""
-        people: ""
-        estimatesAndTime: ""
-        other: ""
+        details: "Chi tiết"
+        people: "Người"
+        estimatesAndTime: "Ước tính thời gian &"
+        other: "Khác"
       properties:
-        assignee: ""
-        author: ""
-        createdAt: ""
-        description: ""
-        date: ""
-        dueDate: ""
-        estimatedTime: ""
-        spentTime: ""
-        category: ""
-        percentageDone: ""
-        priority: ""
-        projectName: ""
-        responsible: ""
-        startDate: ""
-        status: ""
-        subject: ""
-        subproject: ""
-        title: ""
-        type: ""
-        updatedAt: ""
-        versionName: ""
-        version: ""
+        assignee: "Người được giao"
+        author: "Tác giả"
+        createdAt: "Tạo ngày"
+        description: "Mô tả"
+        date: "Ngày"
+        dueDate: "Ngày hoàn thành"
+        estimatedTime: "Thời gian dự kiến"
+        spentTime: "Thời gian"
+        category: "Thể loại"
+        percentageDone: "Percentage done"
+        priority: "Độ ưu tiên"
+        projectName: "Dự án"
+        responsible: "Chịu trách nhiệm"
+        startDate: "Ngày bắt đầu"
+        status: "Trạng thái"
+        subject: "Chủ đề"
+        subproject: "Dự án con"
+        title: "Tiêu đề"
+        type: "Kiểu"
+        updatedAt: "Được cập nhật vào lúc"
+        versionName: "Phiên bản"
+        version: "Phiên bản"
       default_queries:
-        latest_activity: ""
-        created_by_me: ""
-        assigned_to_me: ""
-        recently_created: ""
-        all_open: ""
-        summary: ""
+        latest_activity: "Hoạt động mới nhất"
+        created_by_me: "Do tôi tạo ra"
+        assigned_to_me: "Được phân công cho tôi"
+        recently_created: "Đã được tạo gần đây"
+        all_open: "Mở tất cả"
+        summary: "Tóm tắt"
       jump_marks:
-        pagination: ""
-        label_pagination: ""
-        content: ""
-        label_content: ""
+        pagination: "Viet nam"
+        label_pagination: "Viet Nam"
+        content: "Jump to content"
+        label_content: "Click here to skip over the menu and go to the content"
       placeholders:
-        default: ""
-        date: ""
-        formattable: ""
+        default: "-"
+        date: "Select date"
+        formattable: "%{name}: Bấm vào để chỉnh sửa..."
       query:
-        column_names: ""
-        group_by: ""
-        group: ""
-        group_by_disabled_by_hierarchy: ""
-        hierarchy_disabled_by_group_by: ""
-        sort_ascending: ""
-        sort_descending: ""
-        move_column_left: ""
-        move_column_right: ""
-        hide_column: ""
-        insert_columns: ""
-        filters: ""
-        display_sums: ""
-        confirm_edit_cancel: ""
-        click_to_edit_query_name: ""
-        rename_query_placeholder: ""
-        star_text: ""
+        column_names: "Cột"
+        group_by: "Nhóm kết quả bởi"
+        group: "Nhóm theo"
+        group_by_disabled_by_hierarchy: "Group by is disabled due to the hierarchy mode being active."
+        hierarchy_disabled_by_group_by: "Hierarchy mode is disabled due to results being grouped by %{column}."
+        sort_ascending: "Sort ascending"
+        sort_descending: "Sort descending"
+        move_column_left: "Move column left"
+        move_column_right: "Move column right"
+        hide_column: "Ẩn cột"
+        insert_columns: "Insert columns ..."
+        filters: "Bộ lọc"
+        display_sums: "Hiển thị tổng"
+        confirm_edit_cancel: "Bạn có chắc bạn muốn hủy bỏ chỉnh sửa tên của trình bày này? Tiêu đề sẽ được đặt trở về giá trị trước đó."
+        click_to_edit_query_name: "Nhấp vào chỉnh sửa tiêu đề của trình bày này."
+        rename_query_placeholder: "Tên của trình bày"
+        star_text: "Mark this view as favorite and add to the saved views sidebar on the left."
         public_text: >
-
+          Publish this view, allowing other users to access your view. Users with the 'Manage public views' permission can modify or remove public query. This does not affect the visibility of work package results in that view and depending on their permissions, users may see different results.
         errors:
-          unretrievable_query: ""
-          not_found: ""
-          duplicate_query_title: ""
-        text_no_results: ""
+          unretrievable_query: "Không thể đọc trình bày từ URL"
+          not_found: "Không có trình bày nào đã được tạo ra"
+          duplicate_query_title: "Tên trình bày đã có, Bạn có muốn thay đổi không?"
+        text_no_results: "Không chuyên mục nào được tìm thấy."
       scheduling:
-        is_parent: ""
-        is_switched_from_manual_to_automatic: ""
+        is_parent: "The dates of this work package are automatically deduced from its children. Activate 'Manual scheduling' to set the dates."
+        is_switched_from_manual_to_automatic: "The dates of this work package may need to be recalculated after switching from manual to automatic scheduling due to relationships with other work packages."
       table:
-        configure_button: ''
-        summary: ""
-        text_inline_edit: ""
-        text_sort_hint: ""
-        text_select_hint: ""
+        configure_button: 'Cấu hình bảng gói công việc'
+        summary: "Bảng với hàng work package và cột của các thuộc tính work package."
+        text_inline_edit: "Hầu hết các ô của bảng này là các nút kích hoạt chức năng chỉnh sửa nội tuyến của thuộc tính đó."
+        text_sort_hint: "Với các liên kết trong các tiêu đề bảng bạn có thể sắp xếp, nhóm, sắp xếp lại, loại bỏ và thêm bảng cột."
+        text_select_hint: "Select boxes should be opened with 'ALT' and arrow keys."
       table_configuration:
-        button: ''
-        choose_display_mode: ''
-        modal_title: ''
-        embedded_tab_disabled: ""
-        default: ""
-        display_settings: ''
-        default_mode: ""
-        hierarchy_mode: ""
-        hierarchy_hint: ""
-        display_sums_hint: ""
-        show_timeline_hint: ""
-        highlighting: ''
+        button: 'Cấu hình bảng gói công việc này'
+        choose_display_mode: 'Display work packages as'
+        modal_title: 'Bảng cấu hình gói công việc'
+        embedded_tab_disabled: "Trang cấu hình này không tồn tại đối với chế độ xem mà bạn đang soạn thảo."
+        default: "default"
+        display_settings: 'Cài đặt hiển thị'
+        default_mode: "Flat list"
+        hierarchy_mode: "Hệ thống phân cấp"
+        hierarchy_hint: "Tất cả các bảng được lọc sẽ được gắn với tiền bối của nó. Cây công việc có thể đươc mở ra hoặc thu lại."
+        display_sums_hint: "Hiển thị tổng của các cột số trong một hàng phía dưới bảng kết quả."
+        show_timeline_hint: "Hiển thị biểu đồ grantt ở bên phải của bảng. Bạn có thể thay đổi độ rộng của nó bằng cách kéo thanh chia giữa bảng và biểu đồ grantt."
+        highlighting: 'Tô sáng'
         highlighting_mode:
-          description: ""
-          none: ""
-          inline: ''
-          inline_all: ''
-          entire_row_by: ''
-          status: ''
-          priority: ''
-          type: ''
+          description: "Highlight with color"
+          none: "No highlighting"
+          inline: 'Highlighted attribute(s)'
+          inline_all: 'All attributes'
+          entire_row_by: 'Entire row by'
+          status: 'Trạng thái'
+          priority: 'Độ ưu tiên'
+          type: 'Kiểu'
         sorting_mode:
-          description: ''
-          automatic: ''
-          manually: ''
-          warning: ''
-        columns_help_text: ""
+          description: 'Chose the mode to sort your Work packages:'
+          automatic: 'Automatic'
+          manually: 'Manually'
+          warning: 'You will lose your previous sorting when activating the automatic sorting mode.'
+        columns_help_text: "Use the input field above to add columns to your table view. You can drag and drop the columns to reorder them."
         upsale:
-          attribute_highlighting: ''
-          relation_columns: ''
-          check_out_link: ''
+          attribute_highlighting: 'Need certain work packages to stand out from the mass?'
+          relation_columns: 'Need to see relations in the work package list?'
+          check_out_link: 'Check out the Enterprise Edition.'
         relation_filters:
-          filter_work_packages_by_relation_type: ''
+          filter_work_packages_by_relation_type: 'Lọc các gói công việc theo loại quan hệ'
       tabs:
-        overview:
-        activity:
-        relations:
-        watchers:
-        attachments:
+        overview: Tổng quan
+        activity: Hoạt động
+        relations: Relations
+        watchers: Watchers
+        files: Tập tin
       time_relative:
-        days: ""
-        weeks: ""
-        months: ""
+        days: "ngày"
+        weeks: "weeks"
+        months: "months"
     toolbar:
       settings:
-        configure_view: ""
-        columns: ""
-        sort_by: ""
-        group_by: ""
-        display_sums: ""
-        display_hierarchy: ""
-        hide_hierarchy: ""
-        hide_sums: ""
-        save: ""
-        save_as: ""
-        export: ""
-        visibility_settings: ""
-        page_settings: ""
-        delete: ""
-      filter: ""
-      unselected_title: ""
-      search_query_label: ""
-      search_query_title: ""
-      placeholder_query_title: ""
+        configure_view: "Định cấu hình chế độ xem..."
+        columns: "Cột..."
+        sort_by: "Sắp xếp theo..."
+        group_by: "Nhóm theo..."
+        display_sums: "Hiển thị tổng"
+        display_hierarchy: "Hiển thị phân cấp"
+        hide_hierarchy: "Ẩn phân cấp"
+        hide_sums: "Ẩn tổng"
+        save: "Lưu"
+        save_as: "Lưu duới dạng..."
+        export: "Xuất..."
+        visibility_settings: "Cài đặt hiển thị..."
+        page_settings: "Đổi tên chế độ hiển thị..."
+        delete: "Xoá"
+      filter: "Bộ lọc"
+      unselected_title: "Work Package"
+      search_query_label: "Tìm trang đã lưu"
+      search_query_title: "Nhấn vào đây để tìm kiếm trang đã lưu"
+      placeholder_query_title: "Thiết lập một tiêu đề cho trang này"
     modals:
-      label_settings: ""
-      label_name: ""
-      label_delete_page: ""
-      button_apply: ""
-      button_save: ""
-      button_submit: ""
-      button_cancel: ""
+      label_settings: "Đổi tên trang"
+      label_name: "Tên"
+      label_delete_page: "Xóa trang hiện tại"
+      button_apply: "Áp dụng"
+      button_save: "Lưu"
+      button_submit: "Gửi"
+      button_cancel: "Hủy"
       form_submit:
-        title: ''
-        text: ''
+        title: 'Xác nhận để tiếp tục'
+        text: 'Bạn có thực sự muốn thực hiện thao tác này?'
       destroy_work_package:
-        title: ""
-        text: ""
-        has_children: ""
-        confirm_deletion_children: ""
-        deletes_children: ""
+        title: "Xác nhận xóa %{label}"
+        text: "Are you sure you want to delete the following %{label} ?"
+        has_children: "The work package has %{childUnits}:"
+        confirm_deletion_children: "I acknowledge that ALL descendants of the listed work packages will be recursively removed."
+        deletes_children: "Các gói công việc con cũng sẽ bị xóa theo."
       destroy_time_entry:
-        title: ""
-        text: ""
-    notice_no_results_to_display: ""
-    notice_successful_create: ""
-    notice_successful_delete: ""
-    notice_successful_update: ""
-    notice_job_started: ""
-    notice_bad_request: ""
+        title: "Confirm deletion of time entry"
+        text: "Are you sure you want to delete the following time entry?"
+    notice_no_results_to_display: "Không có kết quả để hiển thị."
+    notice_successful_create: "Successful creation."
+    notice_successful_delete: "Successful deletion."
+    notice_successful_update: "Successful update."
+    notice_job_started: "job started."
+    notice_bad_request: "Bad Request."
     relations:
-      empty:
-      remove:
+      empty: Không tồn tại mối quan hệ
+      remove: Loại bỏ các mối quan hệ
     inplace:
-      button_edit: ""
-      button_save: ""
-      button_cancel: ""
-      button_save_all: ""
-      button_cancel_all: ""
-      link_formatting_help: ""
-      btn_preview_enable: ""
-      btn_preview_disable: ""
-      null_value_label: ""
-      clear_value_label: ""
+      button_edit: "%{attribute}: Sửa"
+      button_save: "%{attribute}: Lưu"
+      button_cancel: "%{attribute}: Hủy"
+      button_save_all: "Lưu"
+      button_cancel_all: "Hủy"
+      link_formatting_help: "Định dạng văn bản trợ giúp"
+      btn_preview_enable: "Xem trước"
+      btn_preview_disable: "Tắt xem trước"
+      null_value_label: "Không có giá trị"
+      clear_value_label: "-"
       errors:
-        required: ''
-        number: ''
-        maxlength: ''
-        minlength: ''
-        messages_on_field: ''
-    error_could_not_resolve_version_name: ""
-    error_could_not_resolve_user_name: ""
-    error_attachment_upload: ""
-    error_attachment_upload_permission: ""
+        required: '%{field} không thể để trống'
+        number: '%{field} không phải là số hợp lệ'
+        maxlength: '%{field} không thể chứa hơn %{maxLength} digit(s)'
+        minlength: '%{field} không thể chứa ít hơn %{minLength} digit(s)'
+        messages_on_field: 'Mục này không hợp lệ: %{messages}'
+    error_could_not_resolve_version_name: "Không thể phân giải tên phiên bản"
+    error_could_not_resolve_user_name: "Không thể phân giải tên người dùng"
+    error_attachment_upload: "Tập tin tải lên thất bại.%{error}"
+    error_attachment_upload_permission: "Bạn không có quyền tải lên tập tin vào tài nguyên này."
     units:
       workPackage:
-        other: ""
+        other: "công việc"
       child_work_packages:
-        other: ""
+        other: "%{count} tác phẩm gói phần mềm trẻ em"
       hour:
-        one: ""
-        other: ""
-        zero: ""
+        one: "1 h"
+        other: "%{count} giờ"
+        zero: "0 giờ"
     zen_mode:
-      button_activate: ''
-      button_deactivate: ''
+      button_activate: 'Kích hoạt chế độ zen'
+      button_deactivate: 'Tắt chế độ zen'
     global_search:
-      all_projects: ""
-      search: ""
-      close_search: ""
-      current_project: ""
-      current_project_and_all_descendants: ""
+      all_projects: "Cho tất cả các dự án"
+      search: "Tìm kiếm"
+      close_search: "Đóng tìm kiếm"
+      current_project: "Trong dự án này"
+      current_project_and_all_descendants: "Trong dự án này + các dự án con"
       title:
-        all_projects: ""
-        project_and_subprojects: ""
-        search_for: ""
+        all_projects: "mọi dự án"
+        project_and_subprojects: "và tất cả các dự án con"
+        search_for: "Tìm kiếm"
     views:
-      card: ''
-      list: ''
-      timeline: ''
+      card: 'Thẻ'
+      list: 'Bảng'
+      timeline: 'Biểu đồ sự kiện'
     invite_user_modal:
-      back: ''
-      invite: ''
+      back: 'Quay lại'
+      invite: 'Mời'
       title:
-        invite: ''
-        invite_to_project: ''
-        User: ''
-        Group: ''
-        PlaceholderUser: ''
-        invite_principal_to_project: ''
+        invite: 'Invite user'
+        invite_to_project: 'Mời %{type} tới %{project}'
+        User: 'tài khoản'
+        Group: 'nhóm'
+        PlaceholderUser: 'placeholder user'
+        invite_principal_to_project: 'Mời %{principal} tới %{project}'
       project:
-        label: ''
-        required: ''
-        lacking_permission: ''
-        lacking_permission_info: ''
-        next_button: ''
-        no_results: ''
-        no_invite_rights: ''
+        label: 'Dự án'
+        required: 'Vui lòng chọn một dự án'
+        lacking_permission: 'Please select a different project since you lack permissions to assign users to the currently selected.'
+        lacking_permission_info: 'You lack the permission to assign users to the project you are currently in. You need to select a different one.'
+        next_button: 'Tiếp'
+        no_results: 'Không tìm thấy dự án nào'
+        no_invite_rights: 'Bạn không được phép mời các thành viên tới dự án này'
       type:
-        required: ''
+        required: 'Vui lòng chọn mục được mời'
         user:
-          title: ''
-          description: ''
+          title: 'Người dùng'
+          description: 'Quyền dựa trên vai trò được giao trong dự án đã chọn'
         group:
-          title: ''
-          description: ''
+          title: 'Nhóm'
+          description: 'Quyền dựa trên vai trò được giao trong dự án đã chọn'
         placeholder:
-          title: ''
-          title_no_ee: ''
-          description: ''
-          description_no_ee: ''
+          title: 'Placeholder user'
+          title_no_ee: 'Placeholder user (Enterprise Edition only feature)'
+          description: 'Không có quyền truy cập vào dự án và không có email nào được gửi đi.'
+          description_no_ee: 'Has no access to the project and no emails are sent out. <br>Check out the <a href="%{eeHref}" target="_blank">Enterprise Edition</a>'
       principal:
         label:
-          name_or_email: ''
-          name: ''
-        already_member_message: ''
-        no_results_user: ''
-        invite_user: ''
-        no_results_placeholder: ''
-        create_new_placeholder: ''
-        no_results_group: ''
-        next_button: ''
+          name_or_email: 'Tên hoặc địa chỉ email'
+          name: 'Tên'
+        already_member_message: 'Đã là thành viên của %{project}'
+        no_results_user: 'Không tìm thấy người dùng'
+        invite_user: 'Mời:'
+        no_results_placeholder: 'No placeholders were found'
+        create_new_placeholder: 'Create new placeholder:'
+        no_results_group: 'Không tìm thấy nhóm nào'
+        next_button: 'Tiếp'
         required:
-          user: ''
-          placeholder: ''
-          group: ''
+          user: 'Vui lòng chọn người dùng'
+          placeholder: 'Please select a placeholder'
+          group: 'Vui lòng chọn một nhóm'
       role:
-        label: ''
-        no_roles_found: ''
-        description: ''
-        required: ''
-        next_button: ''
+        label: 'Vai trò trong %{project}'
+        no_roles_found: 'Không tìm thấy vai trò nào'
+        description: 'This is the role that %{principal} will receive when they join your project. The role defines which actions they are allowed to take and which information they are allowed to see. <a href="https://docs.openproject.org/system-admin-guide/users-permissions/roles-permissions/#roles-and-permissions" target="_blank"> Learn more about roles and permissions. </a>'
+        required: 'Vui lòng chọn một vai trò'
+        next_button: 'Tiếp'
       message:
-        label: ''
-        description: ''
-        next_button: ''
+        label: 'Lời mời'
+        description: 'Chúng tôi sẽ gửi email đến %{principal}, bạn có thể thêm một tin nhắn cá nhân ở đây. Một lời giải thích cho lời mời có thể hữu ích, hoặc có lẽ một chút thông tin liên quan đến dự án để giúp họ hiểu thêm.'
+        next_button: 'Xem lại lời mời'
       summary:
-        next_button: ''
+        next_button: 'Gửi lời mời'
       success:
-        title: ''
+        title: '%{principal} đã được mời!'
         description:
-          user: ''
-          placeholder: ''
-          group: ''
-        next_button: ''
+          user: 'Bây giờ người dùng có thể đăng nhập để truy cập vào %{project}. Trong khi đó, bạn có thể lên kế hoạch cho người dùng đó và chỉ định các gói công việc.'
+          placeholder: 'The placeholder can now be used in %{project}. Meanwhile you can already plan with that user and assign work packages for instance.'
+          group: 'Nhóm này hiện là một phần của %{project}. Trong khi đó, bạn có thể lên kế hoạch cho nhóm đó và chỉ định các gói làm việc cho từng trường hợp.'
+        next_button: 'Tiếp tục'
     include_projects:
-      toggle_title: ''
-      title: ''
-      clear_selection: ''
-      apply: ''
+      toggle_title: 'Include Projects'
+      title: 'Các dự án'
+      clear_selection: 'Clear selection'
+      apply: 'Áp dụng'
       selected_filter:
-        all: ''
-        selected: ''
-      search_placeholder: ''
+        all: 'All projects'
+        selected: 'Only selected'
+      search_placeholder: 'Search project...'
     forms:
-      submit_success_message: ''
-      load_error_message: ''
-      validation_error_message: ''
-      advanced_settings: ''
+      submit_success_message: 'Form đã được gửi thành công'
+      load_error_message: 'Đã có lỗi trong khi tải form'
+      validation_error_message: 'Vui lòng sửa lỗi có trong mẫu'
+      advanced_settings: 'Advanced settings'
+    spot:
+      filter_chip:
+        remove: 'Xoá'
+      drop_modal:
+        Close: 'Đóng'
diff --git a/config/locales/crowdin/js-zh-TW.yml b/config/locales/crowdin/js-zh-TW.yml
index 5c6142556b..1d35a835dc 100644
--- a/config/locales/crowdin/js-zh-TW.yml
+++ b/config/locales/crowdin/js-zh-TW.yml
@@ -24,6 +24,7 @@ zh-TW:
     ajax:
       hide: "隱藏"
       loading: "載入中…"
+      updating: "Updating ..."
     attachments:
       draggable_hint: |
         在編輯器欄位上拖動到內聯圖像或引用附件。在繼續拖動時, 將打開已關閉的編輯器欄位。
@@ -452,9 +453,8 @@ zh-TW:
     label_starred_queries: "最愛檢視"
     label_global_queries: "公開檢視"
     label_custom_queries: "私密檢視"
-    label_create_new_query: "新增"
     label_columns: "欄"
-    label_attachments: 檔案
+    label_attachments: 附加檔
     label_drop_files: 將檔案拖曳至此處
     label_drop_files_hint: 或按一下要添加的檔
     label_drop_folders_hint: 不能將資料夾作為附件上載。請選擇單個檔。
@@ -498,7 +498,8 @@ zh-TW:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -509,6 +510,12 @@ zh-TW:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
     notifications:
       title: "通知"
       no_unread: "No unread notifications"
@@ -516,7 +523,7 @@ zh-TW:
         mentioned: 'mentioned'
         watched: 'watched'
         assigned: 'assigned'
-        responsible: 'accountable'
+        responsible: '負責人'
       facets:
         unread: 'Unread'
         all: '全部'
@@ -538,7 +545,7 @@ zh-TW:
           message: 'There are new notifications.'
           link_text: 'Click here to load them'
       menu:
-        accountable: '可信賴的'
+        accountable: '負責人'
         assigned: '指派'
         by_project: 'Unread by project'
         by_reason: 'Involvement'
@@ -554,8 +561,8 @@ zh-TW:
             title: 'I am @mentioned'
             description: 'Receive a notification every time someone mentions me anywhere'
           involved:
-            title: 'Assigned to me or accountable'
-            description: 'Receive notifications for all activities on work packages for which I am assignee or accountable'
+            title: '分配給我或由我負責'
+            description: '對所有分配給我或由我負責的工作包接收所有活動通知'
           watched: 'Updates on watched items'
           work_package_commented: 'All new comments'
           work_package_created: 'New work packages'
@@ -986,7 +993,7 @@ zh-TW:
         activity: 活動
         relations: 關聯
         watchers: 監看者
-        attachments: 附加檔
+        files: 檔案
       time_relative:
         days: "天"
         weeks: "週"
@@ -1159,7 +1166,7 @@ zh-TW:
       clear_selection: 'Clear selection'
       apply: '套用'
       selected_filter:
-        all: 'All projects'
+        all: '所有專案'
         selected: 'Only selected'
       search_placeholder: 'Search project...'
     forms:
@@ -1167,3 +1174,8 @@ zh-TW:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: '進階設定'
+    spot:
+      filter_chip:
+        remove: '刪除'
+      drop_modal:
+        Close: '關閉'
diff --git a/config/locales/crowdin/ko.yml b/config/locales/crowdin/ko.yml
index f093959389..a2013c26af 100644
--- a/config/locales/crowdin/ko.yml
+++ b/config/locales/crowdin/ko.yml
@@ -469,7 +469,6 @@ ko:
       repository:
         url: "주소"
       role:
-        assignable: "작업 패키지는 각각의 프로젝트에서 이 역할을 가진 사용자와 그룹에 할당될 수 있습니다."
         permissions: "권한"
       time_entry:
         activity: "활동"
@@ -886,6 +885,7 @@ ko:
     version: "버전"
     work_package: "작업 패키지"
   backup:
+    failed: "Backup failed"
     label_backup_token: "백업 토큰"
     label_create_token: "백업 토큰 생성"
     label_delete_token: "백업 토큰 제거"
@@ -2180,6 +2180,8 @@ ko:
   permission_view_timelines: "타임라인 보기"
   permission_view_wiki_edits: "위키 기록 보기"
   permission_view_wiki_pages: "위키 보기"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "작업 패키지는 각각의 프로젝트에서 이 역할을 가진 사용자와 그룹에 할당될 수 있습니다."
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/lol.yml b/config/locales/crowdin/lol.yml
index d232c8a317..babb0d1be2 100644
--- a/config/locales/crowdin/lol.yml
+++ b/config/locales/crowdin/lol.yml
@@ -452,7 +452,6 @@ lol:
       repository:
         url: "crwdns495259:0crwdne495259:0"
       role:
-        assignable: "crwdns495261:0crwdne495261:0"
         permissions: "crwdns495263:0crwdne495263:0"
       time_entry:
         activity: "crwdns495265:0crwdne495265:0"
@@ -873,6 +872,7 @@ lol:
     version: "crwdns495863:0crwdne495863:0"
     work_package: "crwdns495865:0crwdne495865:0"
   backup:
+    failed: "crwdns771128:0crwdne771128:0"
     label_backup_token: "crwdns495867:0crwdne495867:0"
     label_create_token: "crwdns495869:0crwdne495869:0"
     label_delete_token: "crwdns495871:0crwdne495871:0"
@@ -2166,6 +2166,8 @@ lol:
   permission_view_timelines: "crwdns498657:0crwdne498657:0"
   permission_view_wiki_edits: "crwdns498659:0crwdne498659:0"
   permission_view_wiki_pages: "crwdns498661:0crwdne498661:0"
+  permission_work_package_assigned: "crwdns771130:0crwdne771130:0"
+  permission_work_package_assigned_explanation: "crwdns771132:0crwdne771132:0"
   placeholders:
     default: "crwdns498663:0crwdne498663:0"
   project:
diff --git a/config/locales/crowdin/lt.yml b/config/locales/crowdin/lt.yml
index 875affab7e..d2fc90bbf5 100644
--- a/config/locales/crowdin/lt.yml
+++ b/config/locales/crowdin/lt.yml
@@ -470,7 +470,6 @@ lt:
       repository:
         url: "URL"
       role:
-        assignable: "Darbų paketai gali būti priskirti naudotojams ir grupėms pagal vaidmenį atitinkamame projekte"
         permissions: "Leidimai"
       time_entry:
         activity: "Veikla"
@@ -899,6 +898,7 @@ lt:
     version: "Versija"
     work_package: "Darbų paketas"
   backup:
+    failed: "Nepavyko sukurti atsarginės kopijos"
     label_backup_token: "Atsarginės kopijos žetonas"
     label_create_token: "Sukurti atsarginės kopijos žetoną"
     label_delete_token: "Pašalinti atsarginės kopijos žetoną"
@@ -2021,7 +2021,7 @@ lt:
   mail_body_backup_waiting_period: Naujas atsarginės kopijos žetonas bus tinkamas po %{hours} valandų.
   mail_body_backup_token_warning: Jei tai buvote ne jūs, nedelsiant prisijunkite prie OpenProject ir atšaukite jį dar kartą.
   mail_body_lost_password: "Norėdami pakeisti slaptažodį, spauskite nuorodą:"
-  mail_body_register: "Welcome to %{app_title}. Please activate your account by clicking on this link:"
+  mail_body_register: "Jus sveikina %{app_title}. Prašome aktyvuoti jūsų paskyrą spaudžiant šią nuorodą:"
   mail_body_register_header_title: "Projekto nario kvietimo el. laiškas"
   mail_body_register_user: "Brangus %{name}, "
   mail_body_register_links_html: |
@@ -2166,7 +2166,7 @@ lt:
     heading_getting_started: "Gauti aprašymą"
     text_getting_started_description: "Gauti greitą apžvalgą apie projektų valdymą ir komandos bendradarbiavimą naudojant OpenProject."
     text_show_again: "Jūs galite paleisti šį video iš naujo iš pagalbos meniu"
-    welcome: "Welcome to %{app_title}"
+    welcome: "Jus sveikina %{app_title}"
     select_language: "Pasirinkite kalbą"
   permission_add_work_package_notes: "Pridėti pastabų"
   permission_add_work_packages: "Pridėti darbų paketų"
@@ -2235,6 +2235,8 @@ lt:
   permission_view_timelines: "Peržiūrėti laiko juostas"
   permission_view_wiki_edits: "Peržiūrėti wiki istoriją"
   permission_view_wiki_pages: "Peržiūrėti wiki"
+  permission_work_package_assigned: "Tapti paskirtuoju/atsakinguoju"
+  permission_work_package_assigned_explanation: "Darbų paketai gali būti priskirti naudotojams ir grupėms pagal vaidmenį atitinkamame projekte"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/lv.yml b/config/locales/crowdin/lv.yml
index 86f5118507..0720ac6cf8 100644
--- a/config/locales/crowdin/lv.yml
+++ b/config/locales/crowdin/lv.yml
@@ -472,7 +472,6 @@ lv:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Permissions"
       time_entry:
         activity: "Aktivitāte"
@@ -897,6 +896,7 @@ lv:
     version: "Versija"
     work_package: "Work package"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2219,6 +2219,8 @@ lv:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/ne.yml b/config/locales/crowdin/ne.yml
index b901b6c643..0ec0127b60 100644
--- a/config/locales/crowdin/ne.yml
+++ b/config/locales/crowdin/ne.yml
@@ -471,7 +471,6 @@ ne:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Permissions"
       time_entry:
         activity: "Activity"
@@ -892,6 +891,7 @@ ne:
     version: "Version"
     work_package: "Work package"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ ne:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/nl.yml b/config/locales/crowdin/nl.yml
index b0515cfe11..8c65e51ab2 100644
--- a/config/locales/crowdin/nl.yml
+++ b/config/locales/crowdin/nl.yml
@@ -468,7 +468,6 @@ nl:
       repository:
         url: "URL"
       role:
-        assignable: "Werkpakketten kunnen worden toegewezen aan gebruikers en groepen met deze rol in het respectieve project"
         permissions: "Machtigingen"
       time_entry:
         activity: "Activiteit"
@@ -889,6 +888,7 @@ nl:
     version: "Versie"
     work_package: "Werkpakket"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2196,6 +2196,8 @@ nl:
   permission_view_timelines: "Weergave tijdlijnen"
   permission_view_wiki_edits: "Wiki weergavegeschiedenis"
   permission_view_wiki_pages: "Weergave wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Werkpakketten kunnen worden toegewezen aan gebruikers en groepen met deze rol in het respectieve project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/no.yml b/config/locales/crowdin/no.yml
index f12320b4b8..544333b78d 100644
--- a/config/locales/crowdin/no.yml
+++ b/config/locales/crowdin/no.yml
@@ -471,7 +471,6 @@
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Tilganger"
       time_entry:
         activity: "Aktivitet"
@@ -892,6 +891,7 @@
     version: "Versjon"
     work_package: "Arbeidspakke"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@
   permission_view_timelines: "Vis tidslinjer"
   permission_view_wiki_edits: "Vis wiki-historikk"
   permission_view_wiki_pages: "Vis wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/pl.yml b/config/locales/crowdin/pl.yml
index c3e0c69a24..a8b37c7b93 100644
--- a/config/locales/crowdin/pl.yml
+++ b/config/locales/crowdin/pl.yml
@@ -470,7 +470,6 @@ pl:
       repository:
         url: "ADRES URL"
       role:
-        assignable: "Pakiety robocze mogą być przypisane do użytkowników i grup znajdujących się w posiadaniu tej roli w odpowiednim projekcie"
         permissions: "Uprawnienia"
       time_entry:
         activity: "Działanie"
@@ -899,6 +898,7 @@ pl:
     version: "Wersja"
     work_package: "Zadanie"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Token kopii zapasowej"
     label_create_token: "Utwórz token kopii zapasowej"
     label_delete_token: "Usuń token kopii zapasowej"
@@ -2234,6 +2234,8 @@ pl:
   permission_view_timelines: "Widok osi czasu"
   permission_view_wiki_edits: "WIdok historii wiki"
   permission_view_wiki_pages: "Widok wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Pakiety robocze mogą być przypisane do użytkowników i grup znajdujących się w posiadaniu tej roli w odpowiednim projekcie"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/pt.yml b/config/locales/crowdin/pt.yml
index 48d9ce4837..6a04a8fb58 100644
--- a/config/locales/crowdin/pt.yml
+++ b/config/locales/crowdin/pt.yml
@@ -74,10 +74,10 @@ pt:
       book_now: 'Reserve agora'
       get_quote: 'Fazer uma cotação'
       buttons:
-        upgrade: "Upgrade now"
-        contact: "Contact us for a demo"
-      enterprise_info_html: "is an Enterprise <strong class='icon-medal'></strong> feature."
-      upgrade_info: "Please upgrade to a paid plan to activate and start using it in your team."
+        upgrade: "Atualizar agora"
+        contact: "Contate-nos para uma demonstração"
+      enterprise_info_html: "é uma Enterprise <strong class='icon-medal'></strong> recurso."
+      upgrade_info: "Por favor, faça o upgrade para um plano pago para ativar e começar a usá-lo em sua equipe."
   announcements:
     show_until: Mostrar até
     is_active: atualmente exibido
@@ -165,7 +165,7 @@ pt:
     edit: 'Editar ação personalizada %{name}'
     execute: 'Executar %{name}'
     upsale:
-      title: 'Custom actions'
+      title: 'Ações personalizadas'
       description: 'As ações personalizadas simplificam o trabalho diário combinando um conjunto de etapas em um único botão.'
   custom_fields:
     text_add_new_custom_field: >
@@ -264,7 +264,7 @@ pt:
       irreversible: "Esta ação é irreversível"
       confirmation: "Digite o nome de usuário do espaço reservado %{name} para confirmar a exclusão."
     upsale:
-      title: Placeholder users
+      title: Usuários reservados
       description: >
         Existem vários cenários em que você deseja atribuir trabalho a pessoas que não são membros do seu projeto. Pode ser simplesmente que você ainda precise contratar a pessoa certa para o trabalho. Ou você não quer dar acesso a essas informações do projeto, mas ainda quer acompanhar as tarefas atribuídas a essa pessoa.
   prioritiies:
@@ -321,10 +321,10 @@ pt:
       other: '%{count} pacotes de trabalho descendentes'
     bulk:
       could_not_be_saved: "Os seguintes pacotes de trabalho não puderam ser salvos:"
-      none_could_be_saved: "None of the %{total} work packages could be updated."
-      x_out_of_y_could_be_saved: "%{failing} out of the %{total} work packages could not be updated while %{success} could."
-      selected_because_descendants: "While %{selected} work packages where selected, in total %{total} work packages are affected which includes descendants."
-      descendant: "descendant of selected"
+      none_could_be_saved: "Nenhum dos pacotes de trabalho %{total} pode ser atualizado."
+      x_out_of_y_could_be_saved: "%{failing} dos pacotes de trabalho %{total} não puderam ser atualizados enquanto %{success} podia."
+      selected_because_descendants: "Enquanto %{selected} pacotes de trabalho são selecionados, no total de %{total} pacotes de trabalho são afetados, o que inclui descendentes."
+      descendant: "descendente de selecionados"
     move:
       no_common_statuses_exists: "Não há situação disponível para todos os pacotes de trabalho selecionados. Sua situação não pode ser alterada."
       unsupported_for_multiple_projects: 'Movimentação/cópia em massa não é suportada para pacotes de trabalho de vários projetos'
@@ -454,12 +454,12 @@ pt:
         code: 'Status'
         explanation: 'Descrição do estado'
         codes:
-          not_started: 'Not started'
+          not_started: 'Não iniciado'
           on_track: 'Sob controle'
           at_risk: 'Em risco'
           off_track: 'Fora de controle'
-          finished: 'Finished'
-          discontinued: 'Discontinued'
+          finished: 'Finalizado'
+          discontinued: 'Descontinuado'
       query:
         column_names: "Colunas"
         relations_to_type_column: "Relações com %{type}"
@@ -470,7 +470,6 @@ pt:
       repository:
         url: "URL"
       role:
-        assignable: "Pacotes de trabalho podem ser atribuídos a usuários e grupos em posse deste papel no respectivo projeto"
         permissions: "Permissões"
       time_entry:
         activity: "Atividade"
@@ -748,7 +747,7 @@ pt:
               does_not_exist: "Categoria especificada não existe."
             estimated_hours:
               only_values_greater_or_equal_zeroes_allowed: "deve ser >= 0."
-          readonly_status: 'The work package is in a readonly status so its attributes cannot be changed.'
+          readonly_status: 'O pacote de trabalho está em estado somente leitura, então seus atributos não podem ser alterados.'
         type:
           attributes:
             attribute_groups:
@@ -760,7 +759,7 @@ pt:
         user:
           attributes:
             base:
-              user_limit_reached: "User limit reached. No more accounts can be created on the current plan."
+              user_limit_reached: "Limite de usuários atingido. Não é possível criar mais contas no plano atual."
             password_confirmation:
               confirmation: "A confirmação da senha não corresponde à senha!"
               format: "%{message}"
@@ -891,6 +890,7 @@ pt:
     version: "Versão"
     work_package: "Pacote de trabalho"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Token de backup"
     label_create_token: "Criar token de backup"
     label_delete_token: "Excluir token de backup"
@@ -2198,6 +2198,8 @@ pt:
   permission_view_timelines: "Ver cronogramas"
   permission_view_wiki_edits: "Ver histórico do wiki"
   permission_view_wiki_pages: "Ver wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Pacotes de trabalho podem ser atribuídos a usuários e grupos em posse deste papel no respectivo projeto"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/ro.yml b/config/locales/crowdin/ro.yml
index 69ece49d0c..540987a121 100644
--- a/config/locales/crowdin/ro.yml
+++ b/config/locales/crowdin/ro.yml
@@ -472,7 +472,6 @@ ro:
       repository:
         url: "URL"
       role:
-        assignable: "Pachetele de lucru pot fi atribuite utilizatorilor și grupurilor care dețin acest rol în proiectul respectiv"
         permissions: "Drepturi"
       time_entry:
         activity: "Activitate"
@@ -897,6 +896,7 @@ ro:
     version: "Versiune"
     work_package: "Pachet de lucru"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Token backup"
     label_create_token: "Creează token backup"
     label_delete_token: "Șterge token backup"
@@ -2218,6 +2218,8 @@ ro:
   permission_view_timelines: "Vizualizare linii de timp"
   permission_view_wiki_edits: "Vizualizare istoric wiki"
   permission_view_wiki_pages: "Vizualizare wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Pachetele de lucru pot fi atribuite utilizatorilor și grupurilor care dețin acest rol în proiectul respectiv"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/ru.yml b/config/locales/crowdin/ru.yml
index f009b34ace..55dca98625 100644
--- a/config/locales/crowdin/ru.yml
+++ b/config/locales/crowdin/ru.yml
@@ -472,7 +472,6 @@ ru:
       repository:
         url: "URL"
       role:
-        assignable: "Пакеты работ могут быть привязаны к пользователям и группам в зависимости от этой роли в рамках соответствующего проекта"
         permissions: "Разрешения"
       time_entry:
         activity: "Деятельность"
@@ -901,6 +900,7 @@ ru:
     version: "Этапы"
     work_package: "Пакет работ"
   backup:
+    failed: "Сбой резервного копирования"
     label_backup_token: "Маркер резервного копирования"
     label_create_token: "Создать маркер резервного копирования"
     label_delete_token: "Удалить маркер резервного копирования"
@@ -2023,7 +2023,7 @@ ru:
   mail_body_backup_waiting_period: Новый маркер будет действителен через %{hours} часов.
   mail_body_backup_token_warning: Если это не так, войдите в OpenProject и сбросьте его снова немедленно.
   mail_body_lost_password: "Чтобы изменить пароль, щёлкните по следующей ссылке:"
-  mail_body_register: "Welcome to %{app_title}. Please activate your account by clicking on this link:"
+  mail_body_register: "Добро пожаловать в %{app_title}. Пожалуйста, активируйте свою учетную запись, перейдя по ссылке:"
   mail_body_register_header_title: "Приглашение участника проекта по электронной почте"
   mail_body_register_user: "Уважаемый, %{name},"
   mail_body_register_links_html: |
@@ -2167,7 +2167,7 @@ ru:
     heading_getting_started: "Обзор"
     text_getting_started_description: "Быстрый просмотр управления проектом и и команды сопровождения с OpenProject."
     text_show_again: "Вы можете перезапустить это видео из меню «Справка»"
-    welcome: "Welcome to %{app_title}"
+    welcome: "Добро пожаловать в %{app_title}"
     select_language: "Пожалуйста, выберите язык"
   permission_add_work_package_notes: "Добавить заметки"
   permission_add_work_packages: "Добавление пакетов работ"
@@ -2236,6 +2236,8 @@ ru:
   permission_view_timelines: "Просмотр графиков"
   permission_view_wiki_edits: "Просмотр истории wiki"
   permission_view_wiki_pages: "Просмотр wiki"
+  permission_work_package_assigned: "Назначиться/стать отвественным"
+  permission_work_package_assigned_explanation: "Пакеты работ могут быть привязаны к пользователям и группам в зависимости от этой роли в рамках соответствующего проекта"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/rw.yml b/config/locales/crowdin/rw.yml
index 90b0ead150..80dc7aa3de 100644
--- a/config/locales/crowdin/rw.yml
+++ b/config/locales/crowdin/rw.yml
@@ -471,7 +471,6 @@ rw:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Permissions"
       time_entry:
         activity: "Activity"
@@ -892,6 +891,7 @@ rw:
     version: "Version"
     work_package: "Work package"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ rw:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/si.yml b/config/locales/crowdin/si.yml
index e64b2d62ed..8208f565c7 100644
--- a/config/locales/crowdin/si.yml
+++ b/config/locales/crowdin/si.yml
@@ -471,7 +471,6 @@ si:
       repository:
         url: "සැ. නි."
       role:
-        assignable: "අදාළ ව්යාපෘතියේ මෙම කාර්යභාරය සතුව ඇති පරිශීලකයින්ට සහ කණ්ඩායම්වලට වැඩ පැකේජ පැවරිය හැකිය"
         permissions: "අවසර"
       time_entry:
         activity: "ක්‍රියාකාරකම"
@@ -892,6 +891,7 @@ si:
     version: "අනුවාදය"
     work_package: "වැඩ පැකේජය"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2200,6 +2200,8 @@ si:
   permission_view_timelines: "කාල නියමයන් බලන්න"
   permission_view_wiki_edits: "විකි ඉතිහාසය බලන්න"
   permission_view_wiki_pages: "විකි දැක්ම"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "අදාළ ව්යාපෘතියේ මෙම කාර්යභාරය සතුව ඇති පරිශීලකයින්ට සහ කණ්ඩායම්වලට වැඩ පැකේජ පැවරිය හැකිය"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/sk.yml b/config/locales/crowdin/sk.yml
index 0ae4683507..cb00c26eb7 100644
--- a/config/locales/crowdin/sk.yml
+++ b/config/locales/crowdin/sk.yml
@@ -473,7 +473,6 @@ sk:
       repository:
         url: "URL adresa"
       role:
-        assignable: "Pracovné balíčky môžu byť pridelené užívateľom a skupinám, ktoré majú v príslušnom projekte túto úlohu"
         permissions: "Oprávnenia"
       time_entry:
         activity: "Činnosť"
@@ -902,6 +901,7 @@ sk:
     version: "Verzia"
     work_package: "Pracovný balíček"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2237,6 +2237,8 @@ sk:
   permission_view_timelines: "Zobrazenie časovej osi"
   permission_view_wiki_edits: "Zobrazenie histórie wiki"
   permission_view_wiki_pages: "Zobraziť wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Pracovné balíčky môžu byť pridelené užívateľom a skupinám, ktoré majú v príslušnom projekte túto úlohu"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/sl.yml b/config/locales/crowdin/sl.yml
index ea45c1f0e4..13bc5876fa 100644
--- a/config/locales/crowdin/sl.yml
+++ b/config/locales/crowdin/sl.yml
@@ -470,7 +470,6 @@ sl:
       repository:
         url: "URL"
       role:
-        assignable: "Delovni paketi se lahko dodelijo uporabnikom in skupinam, ki imajo to vlogo v posameznem projektu"
         permissions: "Dovoljenja"
       time_entry:
         activity: "Aktivnost"
@@ -899,6 +898,7 @@ sl:
     version: "Različica"
     work_package: "Zahtevek"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Žeton za varnostno kopiranje"
     label_create_token: "Ustvari žeton za varnostno kopiranje"
     label_delete_token: "Izbriši žeton za varnostno kopiranje"
@@ -2235,6 +2235,8 @@ sl:
   permission_view_timelines: "Oglejte si časovnice"
   permission_view_wiki_edits: "Poglej wiki zgodovino"
   permission_view_wiki_pages: "Poglej wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Delovni paketi se lahko dodelijo uporabnikom in skupinam, ki imajo to vlogo v posameznem projektu"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/sv.yml b/config/locales/crowdin/sv.yml
index 32c41da65b..616dd313a3 100644
--- a/config/locales/crowdin/sv.yml
+++ b/config/locales/crowdin/sv.yml
@@ -470,7 +470,6 @@ sv:
       repository:
         url: "URL"
       role:
-        assignable: "Arbetspaket kan tilldelas användare och grupper som har denna roll i respektive projektet"
         permissions: "Behörigheter"
       time_entry:
         activity: "Aktivitet"
@@ -891,6 +890,7 @@ sv:
     version: "Version"
     work_package: "Arbetspaket"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -2199,6 +2199,8 @@ sv:
   permission_view_timelines: "Visa tidslinjer"
   permission_view_wiki_edits: "Visa historik över wiki"
   permission_view_wiki_pages: "Visa wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Arbetspaket kan tilldelas användare och grupper som har denna roll i respektive projektet"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/th.yml b/config/locales/crowdin/th.yml
index 5c7ec59480..249e4dc7a1 100644
--- a/config/locales/crowdin/th.yml
+++ b/config/locales/crowdin/th.yml
@@ -470,7 +470,6 @@ th:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "สิทธิ์"
       time_entry:
         activity: "กิจกรรม"
@@ -887,6 +886,7 @@ th:
     version: "เวอร์ชัน"
     work_package: "ชุดภารกิจ"
   backup:
+    failed: "Backup failed"
     label_backup_token: "โทเค็น (token) สำรอง"
     label_create_token: "สร้าง โทเค็น (token) สำรอง"
     label_delete_token: "ลบ โทเค็น (token) สำรอง"
@@ -2182,6 +2182,8 @@ th:
   permission_view_timelines: "ดูแผนภูมิเวลา"
   permission_view_wiki_edits: "ดูประวัติวิกิ"
   permission_view_wiki_pages: "ดูวิกิ"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/tr.yml b/config/locales/crowdin/tr.yml
index 8641cff653..c498fb24a6 100644
--- a/config/locales/crowdin/tr.yml
+++ b/config/locales/crowdin/tr.yml
@@ -471,7 +471,6 @@ tr:
       repository:
         url: "URL"
       role:
-        assignable: "İşpaketleri bağlı projedeki rollere göre kullanıcı ve gruplara atanabilir"
         permissions: "İzinler"
       time_entry:
         activity: "Etkinlik"
@@ -892,6 +891,7 @@ tr:
     version: "Sürüm"
     work_package: "İş paketi"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Yedek jeton"
     label_create_token: "Yedek jeton oluşturun"
     label_delete_token: "Yedek jetonu silin"
@@ -2200,6 +2200,8 @@ tr:
   permission_view_timelines: "Zaman çizelgelerini görüntüle"
   permission_view_wiki_edits: "Wiki geçmişini görüntüle"
   permission_view_wiki_pages: "Wiki'yi görüntüle"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "İşpaketleri bağlı projedeki rollere göre kullanıcı ve gruplara atanabilir"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/uk.yml b/config/locales/crowdin/uk.yml
index 86047b3e77..877b40cba3 100644
--- a/config/locales/crowdin/uk.yml
+++ b/config/locales/crowdin/uk.yml
@@ -28,31 +28,31 @@ uk:
     plugins:
       no_results_title_text: Наразі немає доступних плагінів.
     custom_styles:
-      color_theme: "Color theme"
-      color_theme_custom: "(Custom)"
+      color_theme: "Колірна тема"
+      color_theme_custom: "(Власний)"
       colors:
-        alternative-color: "Alternative"
-        content-link-color: "Link font"
-        primary-color: "Primary"
-        primary-color-dark: "Primary (dark)"
-        header-bg-color: "Header background"
-        header-item-bg-hover-color: "Header background on hover"
-        header-item-font-color: "Header font"
-        header-item-font-hover-color: "Header font on hover"
-        header-border-bottom-color: "Header border"
-        main-menu-bg-color: "Main menu background"
-        main-menu-bg-selected-background: "Main menu when selected"
-        main-menu-bg-hover-background: "Main menu on hover"
-        main-menu-font-color: "Main menu font"
-        main-menu-selected-font-color: "Main menu font when selected"
-        main-menu-hover-font-color: "Main menu font on hover"
-        main-menu-border-color: "Main menu border"
+        alternative-color: "Альтернативний"
+        content-link-color: "Шрифт посилання"
+        primary-color: "Основний"
+        primary-color-dark: "Основний (темний)"
+        header-bg-color: "Фон заголовка"
+        header-item-bg-hover-color: "Фон заголовка в разі наведення курсора"
+        header-item-font-color: "Шрифт заголовка"
+        header-item-font-hover-color: "Шрифт заголовка в разі наведення курсора"
+        header-border-bottom-color: "Контур заголовка"
+        main-menu-bg-color: "Фон головного меню"
+        main-menu-bg-selected-background: "Головне меню в разі вибору"
+        main-menu-bg-hover-background: "Головне меню в разі наведення"
+        main-menu-font-color: "Шрифт головного меню"
+        main-menu-selected-font-color: "Шрифт головного меню в разі вибору"
+        main-menu-hover-font-color: "Шрифт головного меню в разі наведення"
+        main-menu-border-color: "Контур головного меню"
       custom_colors: "Кольори за власними вподобаннями"
       customize: "Налаштуйте установку OpenProject за допомогою власного логотипу. Примітка: Цей логотип буде загальнодоступним."
       enterprise_notice: "Як особливий «Спасибі!» для їхнього фінансового внеску в розвиток OpenProject, ця маленька функція доступна лише для абонентів підтримки Enterprise Edition."
       manage_colors: "Редагувати параметри вибору кольору"
       instructions:
-        alternative-color: "Strong accent color, typically used for the most important button on a screen."
+        alternative-color: "Насичений акцентний колір зазвичай використовується для більшості важливих кнопок на екрані."
         content-link-color: "Колір шрифту більшості посилань."
         primary-color: "Основний колір."
         primary-color-dark: "Зазвичай темний варіант основного кольору, який використовується для ефектів наведення."
@@ -61,23 +61,23 @@ uk:
         header-item-font-hover-color: "Колір шрифту в заголовках інтерактивних елементів під курсором миші."
         header-border-bottom-color: "Тонка лінія під заголовком. Залиште це поле порожнім, якщо ви не хочете будь-якої лінії."
         main-menu-bg-color: "Колір фону меню зліва."
-      theme_warning: Changing the theme will overwrite you custom style. The design will then be lost. Are you sure you want to continue?
+      theme_warning: Змінення теми перезапише ваш власний стиль. У такому разі дизайн буде втрачено. Справді продовжити?
     enterprise:
-      upgrade_to_ee: "Upgrade to the Enterprise Edition"
+      upgrade_to_ee: "Перейти на Enterprise Edition"
       add_token: "Завантажте маркер підтримки для Enterprise Edition"
       replace_token: "Замініть поточний маркер підтримки"
-      order: "Order Enterprise on-premises Edition"
+      order: "Замовити локальний корпоративний випуск"
       paste: "Вставте маркер підтримки для Enterprise Edition"
       required_for_feature: "Ця функція доступна лише з активним маркером підтримки Enterprise Edition."
       enterprise_link: "Для отримання додаткової інформації натисніть тут."
       start_trial: 'Розпочати безкоштовну пробну версію'
       book_now: 'Забронювати зараз'
-      get_quote: 'Get a quote'
+      get_quote: 'Дізнатися ціну'
       buttons:
-        upgrade: "Upgrade now"
-        contact: "Contact us for a demo"
-      enterprise_info_html: "is an Enterprise <strong class='icon-medal'></strong> feature."
-      upgrade_info: "Please upgrade to a paid plan to activate and start using it in your team."
+        upgrade: "Оновити зараз"
+        contact: "Зв’яжіться з нами, щоб отримати демоверсію"
+      enterprise_info_html: "– це функція Enterprise <strong class='icon-medal'>."
+      upgrade_info: "Перейдіть на платний план, щоб активувати його та почати використовувати його у своїй команді."
   announcements:
     show_until: Показувати до
     is_active: наразі відображається
@@ -95,48 +95,44 @@ uk:
       no_results_content_text: Створіть новий режим аутентифікації
   background_jobs:
     status:
-      error_requeue: "Job experienced an error but is retrying. The error was: %{message}"
-      cancelled_due_to: "Job was cancelled due to error: %{message}"
+      error_requeue: "Виконується повторний запуск завдання, оскільки попередня спроба завершилася такою помилкою: %{message}"
+      cancelled_due_to: "Завдання скасовано через помилку: %{message}"
   ldap_auth_sources:
     technical_warning_html: |
-      This LDAP form requires technical knowledge of your LDAP / Active Directory setup.
-      <br/>
-      <a href="https://www.openproject.org/help/administration/manage-ldap-authentication/">Please visit our documentation for detailed instructions</a>.
+      Ця форма LDAP вимагає технічних знань про налаштування LDAP / Active Directory.<br/><a href="https://www.openproject.org/help/administration/manage-ldap-authentication/">Щоб отримати докладні вказівки, ознайомтеся з нашою документацією</a>.
     attribute_texts:
-      name: Arbitrary name of the LDAP connection
-      host: LDAP host name or IP address
-      login_map: The attribute key in LDAP that is used to identify the unique user login. Usually, this will be `uid` or `samAccountName`.
-      generic_map: The attribute key in LDAP that is mapped to the OpenProject `%{attribute}` attribute
-      admin_map_html: "Optional: The attribute key in LDAP that <strong>if present</strong> marks the OpenProject user an admin. Leave empty when in doubt."
+      name: Назва атрибута LDAP-підключення
+      host: Назва хосту LDAP або IP-адреса
+      login_map: Ключ атрибута в LDAP, який використовується для ідентифікації унікального входу користувача. Зазвичай це «uid» або «samAccountName».
+      generic_map: Ключ атрибута в LDAP, зіставлений з атрибутом «%{attribute}» OpenProject
+      admin_map_html: "Необов’язково. Ключ атрибута в LDAP, який, <strong>якщо є</strong>, призначає користувача адміністратором OpenProject. Нічого не вказуйте, якщо маєте сумніви."
       system_user_dn_html: |
-        Enter the DN of the system user used for read-only access.
+        Введіть унікальне ім’я системного користувача, за допомогою якого можна отримати доступ лише для читання.
         <br/>
-        Example: uid=openproject,ou=system,dc=example,dc=com
-      system_user_password: Enter the bind password of the system user
+        Наприклад: uid=openproject,ou=system,dc=example,dc=com
+      system_user_password: Введіть пароль зв’язування системного користувача
       base_dn: |
-        Enter the Base DN of the subtree in LDAP you want OpenProject to look for users and groups.
-        OpenProject will filter for provided usernames in this subtree only.
-        Example: ou=users,dc=example,dc=com
+        Введи базове унікальне ім’я піддерева в LDAP, де OpenProject має шукати користувачів і групи. OpenProject фільтруватиме за вказаними іменами користувачів лише в цьому піддереві.
+        Наприклад: ou=users,dc=example,dc=com
+
       filter_string: |
-        Add an optional RFC4515 filter to apply to the results returned for users filtered in the LDAP.
-        This can be used to restrict the set of users that are found by OpenProject for authentication and group synchronization.
+        Додайте необов’язковий фільтр RFC4515, який застосовуватиметься до результатів, які отримують користувачі, відфільтровані в LDAP. 
+        Таким чином можна обмежити набір користувачів, знайдених в OpenProject для автентифікації та синхронізації груп.
       filter_string_concat: |
-        OpenProject will always filter for the login attribute provided by the user to identify the record. If you provide a filter here,
-        it will be concatenated with an AND. By default, a catch-all (objectClass=*) will be used as a filter.
+        OpenProject завжди фільтруватиме атрибут облікових даних, введених користувачем для ідентифікації запису. Якщо ви вказуєте тут фільтр,
+        його буде об’єднано з AND. За умовчанням як фільтр використовуватиметься catch-all (objectClass=*).
       onthefly_register: |
-        If you check this box, OpenProject will automatically create new users from their LDAP entries
-        when they first authenticate with OpenProject.
-        Leave this unchecked to only allow existing accounts in OpenProject to authenticate through LDAP!
+        Якщо встановити цей прапорець, OpenProject автоматично створюватиме нових користувачів на основі своїх записів LDAP під час їх першої автентифікації в OpenProject.
+        Не встановлюйте його, щоб дозволити автентифікацію через LDAP лише наявним обліковим записам в OpenProject!
     connection_encryption: 'Підключення шифрування'
-    system_account: 'System account'
+    system_account: 'Системний обліковий запис'
     system_account_legend: |
-      OpenProject requires read-only access through a system account to lookup users and groups in your LDAP tree.
-      Please specify the bind credentials for that system user in the following section.
+      OpenProject потрібен доступ лише для читання через системний обліковий запис, щоб шукати користувачів і групи у вашому LDAP-дереві.
+      Укажіть облікові дані зв‘язування для цього системного користувача в наступному розділі.
     ldap_details: 'Параметри LDAP'
-    user_settings: 'Attribute mapping'
+    user_settings: 'Зіставлення атрибутів'
     user_settings_legend: |
-      The following fields are related to how users are created in OpenProject from LDAP entries and
-      what LDAP attributes are used to define the attributes of an OpenProject user (attribute mapping).
+      Наведені нижче поля пов’язані з тим, як користувачі створюються в OpenProject на основі записів LDAP і з тим, які атрибути LDAP використовуються для визначення атрибутів користувача OpenProject (зіставлення атрибутів).
     tls_mode:
       plain: 'нічого'
       simple_tls: 'Звичайний_TLS'
@@ -166,7 +162,7 @@ uk:
     edit: 'Редагувати спеціальну дію %{name}'
     execute: 'Виконати %{name}'
     upsale:
-      title: 'Custom actions'
+      title: 'Власні дії'
       description: 'Спеціальні дії спрощують повсякденну роботу, поєднуючи окремі кроки в одну кнопку.'
   custom_fields:
     text_add_new_custom_field: >
@@ -175,15 +171,15 @@ uk:
     enabled_in_project: 'Увімкнено в проекті'
     contained_in_type: 'Міститься за типом'
     confirm_destroy_option: "Видалення опції призведе до видалення всіх його подій (наприклад, у робочих пакетах). Дійсно видалити його?"
-    reorder_alphabetical: "Reorder values alphabetically"
-    reorder_confirmation: "Warning: The current order of available values will be lost. Continue?"
+    reorder_alphabetical: "Перевпорядкувати значення за алфавітом"
+    reorder_confirmation: "Увага! Поточний порядок доступних значень буде втрачено. Продовжити?"
     tab:
       no_results_title_text: Наразі немає спеціальних полів.
       no_results_content_text: Створіть нове спеціальне поле
   concatenation:
     single: 'або'
   documentation:
-    see_more_link: For more information, please see our documentation on this topic.
+    see_more_link: Щоб дізнатися більше, ознайомтеся з нашою документацією з цієї теми.
   global_search:
     overwritten_tabs:
       wiki_pages: "Wiki"
@@ -201,20 +197,20 @@ uk:
       Вкажіть список імен, які ігноруватимуться під час обробки вкладень для вхідних повідомлень (наприклад, підписів або значків). Введіть одне ім'я файлу у рядок.
   projects:
     delete:
-      scheduled: "Deletion has been scheduled and is performed in the background. You will be notified of the result."
+      scheduled: "Видалення заплановано та виконується у фоновому режимі. Ви отримаєте сповіщення про результат."
       schedule_failed: "Проект не можна видалити: %{errors}"
       failed: "Видалення проекту %{name}  не вдалося"
       failed_text: "Запит видалення проекту %{name} не вдало. Проект залишився в архіві."
       completed: "Видалення проекту %{name} завершено."
       completed_text: "Запит видалення проекту '%{name}' завершено."
     index:
-      open_as_gantt: 'Open as Gantt view'
-      open_as_gantt_title: "Use this button to generate a Gantt view that filters work packages for the projects visible on this page."
-      open_as_gantt_title_admin: "You can modify the view settings (such as selected work package types) in the administration under project settings."
+      open_as_gantt: 'Відкрити в поданні Ґанта'
+      open_as_gantt_title: "Натисніть цю кнопку, щоб створити подання Ґанта, у якому фільтруються пакети робіт для проєктів, видимих на цій сторінці."
+      open_as_gantt_title_admin: "Ви можете змінити налаштування подання (наприклад, вибрані типи пакетів робіт) у меню адміністрування в налаштуваннях проєкту."
       no_results_title_text: Наразі немає проектів
       no_results_content_text: Створіть новий проект
     settings:
-      change_identifier: Change identifier
+      change_identifier: Ідентифікатор змін
       activities:
         no_results_title_text: Наразі немає доступних заходів.
       forums:
@@ -231,12 +227,12 @@ uk:
         no_results_title_text: Наразі не існує версій для проекту.
         no_results_content_text: Створіть нову версію
       storage:
-        no_results_title_text: There is no additional recorded disk space consumed by this project.
+        no_results_title_text: Цей проєкт не потребує додаткового дискового простору.
   members:
     index:
       no_results_title_text: Наразі учасників цього проекту немає.
       no_results_content_text: Додайте учасника до проекту
-    invite_by_mail: "Send invite to %{mail}"
+    invite_by_mail: "Надіслати запрошення на адресу %{mail}"
   my:
     access_token:
       failed_to_reset_token: "Не вдалося відновити маркер доступу: %{error}"
@@ -249,25 +245,25 @@ uk:
       no_results_content_text: Додати новину
   users:
     groups:
-      member_in_these_groups: 'This user is currently a member of the following groups:'
-      no_results_title_text: This user is currently not a member in any group.
+      member_in_these_groups: 'Зараз цей користувач — учасник таких груп:'
+      no_results_title_text: Цей користувач зараз не належить до жодної групи.
     memberships:
       no_results_title_text: Цей користувач наразі не є учасником проекту.
   placeholder_users:
     right_to_manage_members_missing: >
-      You are not allowed to delete the placeholder user. You do not have the right to manage members for all projects that the placeholder user is a member of.
-    delete_tooltip: "Delete placeholder user"
+      Ви не можете видалити прототип користувача. У вас немає права керувати учасниками для всіх проєктів, до яких належить прототип користувача.
+    delete_tooltip: "Видалити прототип користувача"
     deletion_info:
-      heading: "Delete placeholder user %{name}"
+      heading: "Видалити прототип користувача %{name}"
       data_consequences: >
-        All occurrences of the placeholder user (e.g., as assignee, responsible or other user values) will be reassigned to an account called "Deleted user".
-        As the data of every deleted account is reassigned to this account it will not be possible to distinguish the data the user created from the data of another deleted account.
-      irreversible: "This action is irreversible"
-      confirmation: "Enter the placeholder user name %{name} to confirm the deletion."
+        Усі екземпляри прототипу користувача (наприклад, виконавець, відповідальний тощо) буде перепризначено обліковому запису з назвою «Видалений користувач».
+        Оскільки дані кожного видаленого облікового запису перепризначаються цьому обліковому запису, відрізнити дані, створені користувачем, від даних іншого видаленого облікового запису, може бути важко.
+      irreversible: "Цю дію не можна скасувати"
+      confirmation: "Введіть ім’я прототипу  користувача %{name}, щоб підтвердити видалення."
     upsale:
-      title: Placeholder users
+      title: Прототипи користувачів
       description: >
-        There are multiple scenarios where you want to assign work to people that are not member of your project. It could simply be that you still need to hire the correct person for the job. Or you just don't want to give that person access to the project's information but still want track tasks assigned to that person.
+        У вас є кілька варіантів, якщо потрібно призначити роботу людям, які не належать до учасників вашого проєкту. Можливо, ви хочете тільки найняти потрібну людину для виконання завдання. Або ж ви не хочете надавати цій особі доступ до інформації про проєкт, але хочете відстежувати завдання, які їй призначаєте.
   prioritiies:
     edit:
       priority_color_text: |
@@ -309,7 +305,7 @@ uk:
     overview:
       no_results_title_text: Наразі для цієї версії не призначено робочих пакетів.
   wiki:
-    page_not_editable_index: The requested page does not (yet) exist. You have been redirected to the index of all wiki pages.
+    page_not_editable_index: Запитувана сторінка не існує (поки що). Вас було переспрямовано до індексу всіх вікі-сторінок.
     no_results_title_text: Наразі немає wiki-сторінок.
     index:
       no_results_content_text: Додати нову wiki-сторінку
@@ -324,10 +320,10 @@ uk:
       other: '%{count} нащадки робочого пакета'
     bulk:
       could_not_be_saved: "Не вдалося зберегти такі робочі пакети:"
-      none_could_be_saved: "None of the %{total} work packages could be updated."
-      x_out_of_y_could_be_saved: "%{failing} out of the %{total} work packages could not be updated while %{success} could."
-      selected_because_descendants: "While %{selected} work packages where selected, in total %{total} work packages are affected which includes descendants."
-      descendant: "descendant of selected"
+      none_could_be_saved: "Жоден із пакетів робіт (%{total}) не можна оновити."
+      x_out_of_y_could_be_saved: "Не вдалось оновити пакетів робіт: %{failing} із %{total}. Оновлено: %{success}."
+      selected_because_descendants: "Хоча вибрано кілька (%{selected}) пакетів робіт, змінено всього %{total}, включно з нащадками."
+      descendant: "нащадок вибраного елемента"
     move:
       no_common_statuses_exists: "Немає доступного статусу для всіх вибраних робочих пакетів. Їх статус не може бути змінений."
       unsupported_for_multiple_projects: 'Масове переміщення/копіювання не підтримується для робочих пакетів з декількох проектів'
@@ -399,7 +395,7 @@ uk:
         attr_mail: "Атрибут Email"
         base_dn: "База DN"
         host: "Хост"
-        onthefly: "Automatic user creation"
+        onthefly: "Автоматичне створення користувачів"
         port: "Порт"
       changeset:
         repository: "Репозиторій"
@@ -452,17 +448,17 @@ uk:
         types: "Типи"
         versions: "Версії"
         work_packages: "Пакет робіт"
-        templated: 'Template project'
+        templated: 'Проєкт шаблона'
       projects/status:
         code: 'Статус'
-        explanation: 'Status description'
+        explanation: 'Опис стану'
         codes:
-          not_started: 'Not started'
-          on_track: 'On track'
-          at_risk: 'At risk'
-          off_track: 'Off track'
-          finished: 'Finished'
-          discontinued: 'Discontinued'
+          not_started: 'Не почато'
+          on_track: 'За графіком'
+          at_risk: 'Під загрозою'
+          off_track: 'Не за графіком'
+          finished: 'Завершено'
+          discontinued: 'Припинено'
       query:
         column_names: "Стовпці"
         relations_to_type_column: "Відносини з %{type}"
@@ -473,7 +469,6 @@ uk:
       repository:
         url: "Посилання"
       role:
-        assignable: "Робочі пакети можуть бути призначені користувачам і групам, які володіють цією роллю у відповідному проекті"
         permissions: "Дозволи"
       time_entry:
         activity: "Активність"
@@ -527,7 +522,7 @@ uk:
         parent_work_package: "Джерело"
         priority: "Пріоритет"
         progress: "Прогрес (%)"
-        schedule_manually: "Manual scheduling"
+        schedule_manually: "Ручне планування"
         spent_hours: "Трудовитрати"
         spent_time: "Трудовитрати"
         subproject: "Підпроект"
@@ -550,35 +545,35 @@ uk:
         before: "має бути раніше %{date}"
         before_or_equal_to: "має бути до або  %{date}"
         blank: "не може бути порожнім."
-        blank_nested: "needs to have the property '%{property}' set."
+        blank_nested: "– потрібно встановити властивість «%{property}»."
         cant_link_a_work_package_with_a_descendant: "Робочий пакет не може бути пов'язаний з одним з підзадач."
         circular_dependency: "Це співвідношення створить кругову залежність."
         confirmation: "не збігається %{attribute}"
-        could_not_be_copied: "%{dependency} could not be (fully) copied."
+        could_not_be_copied: "%{dependency} не вдалося скопіювати (повністю)."
         does_not_exist: "не існує."
-        error_enterprise_only: "is only available in the OpenProject Enterprise Edition"
-        error_unauthorized: "may not be accessed."
-        error_readonly: "was attempted to be written but is not writable."
-        email: "is not a valid email address."
+        error_enterprise_only: "доступно лише у версії OpenProject Enterprise Edition"
+        error_unauthorized: "– можливо, немає доступу."
+        error_readonly: "– було здійснено спробу запису, але елемент недоступний для запису."
+        email: "– це не дійсна електронна адреса."
         empty: "не може бути порожнім."
         even: "має бути рівним."
         exclusion: "зарезервовано."
         file_too_large: "занадто великий (максимальний розмір -%{count} байт)"
-        format: "does not match the expected format '%{expected}'."
-        format_nested: "does not match the expected format '%{expected}' at path '%{path}'."
+        format: "не відповідає очікуваному формату «%{expected}»."
+        format_nested: "не відповідає очікуваному формату «%{expected}» за шляхом «%{path}»."
         greater_than: "має бути більше ніж %{count}."
         greater_than_or_equal_to: "має бути більшим або рівним %{count}"
         greater_than_or_equal_to_start_date: "має бути більшою або дорівнювати даті початку."
         greater_than_start_date: "має бути більше дати початку."
         inclusion: "не встановлено в одному з допустимих значень"
-        inclusion_nested: "is not set to one of the allowed values at path '%{path}'."
+        inclusion_nested: "– не призначено одне з дозволених значень за шляхом «%{path}»."
         invalid: "зазначено невірно"
         invalid_url: 'не є дійсною URL-адресою.'
         invalid_url_scheme: 'не є підтримуваним протоколом (дозволено: %{allowed_schemes}).'
         less_than_or_equal_to: "має бути меншим або рівним %{count}"
-        not_available: "is not available due to a system configuration."
-        not_deletable: "cannot be deleted."
-        not_current_user: "is not the current user."
+        not_available: "– недоступно через налаштування системи."
+        not_deletable: "не можна видалити."
+        not_current_user: "не поточний користувач."
         not_a_date: "не є дійсною датою."
         not_a_datetime: "не є дійсним датою."
         not_a_number: "не є числом"
@@ -592,26 +587,26 @@ uk:
         taken: "вже прийнято."
         too_long: "занадто довгий (максимум - %{count} characters).\n"
         too_short: "занадто короткий (мінімум %{count} символів)."
-        type_mismatch: "is not of type '%{type}'"
-        type_mismatch_nested: "is not of type '%{type}' at path '%{path}'"
+        type_mismatch: "– це не тип «%{type}»."
+        type_mismatch_nested: "– це не тип «%{type}» за шляхом «%{path}»."
         unchangeable: "не можна змінити."
-        unknown_property: "is not a known property."
-        unknown_property_nested: "has the unknown path '%{path}'."
+        unknown_property: "– це не відома властивість."
+        unknown_property_nested: "має невідомий шлях «%{path}»."
         unremovable: "неможливо видалити."
         wrong_length: "неправильна довжина (повинна бути %{count} символів)."
       models:
         attachment:
           attributes:
             content_type:
-              blank: "The content type of the file cannot be blank."
-              not_whitelisted: "The file was rejected by an automatic filter. '%{value}' is not whitelisted for upload."
+              blank: "Тип контенту файлу не може бути пустий."
+              not_whitelisted: "Файл відхилено автоматичним фільтром. Завантаження «%{value}» не дозволено."
               format: "%{message}"
         capability:
           context:
             global: 'Глобальний'
           query:
             filters:
-              minimum: "need to include at least one filter for principal, context or id with the '=' operator."
+              minimum: "має містити принаймні один фільтр для адміністратора доступу, контексту або адміністратора з оператором «=»."
         custom_field:
           at_least_one_custom_option: "Необхідно мати принаймні один варіант."
         custom_actions:
@@ -640,19 +635,19 @@ uk:
           outside: 'знаходиться за межами сітки.'
           end_before_start: 'кінцеве значення має бути більше початкового значення.'
         notifications:
-          at_least_one_channel: 'At least one channel for sending notifications needs to be specified.'
+          at_least_one_channel: 'Необхідно вказати принаймні один канал для надсилання сповіщень.'
           attributes:
             read_ian:
-              read_on_creation: 'cannot be set to true on notification creation.'
+              read_on_creation: '– не можна встановити як true під час створення сповіщень.'
             mail_reminder_sent:
-              set_on_creation: 'cannot be set to true on notification creation.'
+              set_on_creation: '– не можна встановити як true під час створення сповіщень.'
             reason:
-              no_notification_reason: 'cannot be blank as IAN is chosen as a channel.'
+              no_notification_reason: '– потрібно вказати, оскільки як канал вибрано сповіщення в додатку.'
             reason_mail_digest:
-              no_notification_reason: 'cannot be blank as mail digest is chosen as a channel.'
+              no_notification_reason: '– потрібно вказати, оскільки як канал вибрано поштову розсилку.'
         notification_settings:
-          only_one_global_setting: 'There must only be one global notification setting.'
-          email_alerts_global: 'The email notification settings can only be set globally.'
+          only_one_global_setting: 'Має існувати лише одне глобальне налаштування сповіщень.'
+          email_alerts_global: 'Налаштування сповіщень електронною поштою можна встановити лише глобально.'
           format: "%{message}"
         parse_schema_filter_params_service:
           attributes:
@@ -661,13 +656,13 @@ uk:
               invalid_values: "Значення недійсне."
               id_filter_required: "Необхідний фільтр \"id\"."
         project:
-          archived_ancestor: 'The project has an archived ancestor.'
-          foreign_wps_reference_version: 'Work packages in non descendant projects reference versions of the project or its descendants.'
+          archived_ancestor: 'У проєкту є архівований предок.'
+          foreign_wps_reference_version: 'Пакети робіт у ненащадкових проєктах посилаються на версії цього проєкту або його нащадків.'
           attributes:
             types:
               in_use_by_work_packages: "як і раніше використовуються робочі пакети: %{types}"
             enabled_modules:
-              dependency_missing: "The module '%{dependency}' needs to be enabled as well since the module '%{module}' depends on it."
+              dependency_missing: "Модуль «%{dependency}» потрібно також увімкнути, оскільки від нього залежить модуль «%{module}»."
               format: "%{message}"
         query:
           attributes:
@@ -691,7 +686,7 @@ uk:
         queries/filters/base:
           attributes:
             values:
-              inclusion: "filter has invalid values."
+              inclusion: "фільтр має неприпустимі значення."
               format: "%{message}"
         relation:
           typed_dag:
@@ -716,17 +711,17 @@ uk:
         time_entry:
           attributes:
             hours:
-              day_limit: "is too high as a maximum of 24 hours can be logged per date."
+              day_limit: "– завелике значення, оскільки на одну дату можна зареєструвати лише щонайбільше 24 години."
         user_preference:
           attributes:
             pause_reminders:
-              invalid_range: "can only be a valid date range."
+              invalid_range: "може належати лише до припустимого інтервалу дат."
             daily_reminders:
-              full_hour: "can only be configured to be delivered at a full hour."
+              full_hour: "– можна налаштувати отримання лише на початку кожної години."
         wiki_page:
           attributes:
             slug:
-              undeducible: "cannot be deduced from the title '%{title}'."
+              undeducible: "– не можна вирахувати із заголовка «%{title}»."
         work_package:
           is_not_a_valid_target_for_time_entries: "Робочий пакет #%{id} не є дійсною ціллю для перепризначення записів часу."
           attributes:
@@ -734,7 +729,7 @@ uk:
               not_start_date: "не на дату початку, хоча це потрібно для етапів."
             parent:
               cannot_be_milestone: "не може бути важливою подією."
-              cannot_be_self_assigned: "cannot be assigned to itself."
+              cannot_be_self_assigned: "– не можна призначити собі."
               cannot_be_in_another_project: "не може бути в іншому проекті."
               not_a_valid_parent: "зазначено невірно"
             start_date:
@@ -751,7 +746,7 @@ uk:
               does_not_exist: "Указана категорія не існує."
             estimated_hours:
               only_values_greater_or_equal_zeroes_allowed: "повинно бути >= 0."
-          readonly_status: 'The work package is in a readonly status so its attributes cannot be changed.'
+          readonly_status: 'Пакет робіт перебуває в стані лише для читання, тому його атрибути не можна змінити.'
         type:
           attributes:
             attribute_groups:
@@ -763,9 +758,9 @@ uk:
         user:
           attributes:
             base:
-              user_limit_reached: "User limit reached. No more accounts can be created on the current plan."
+              user_limit_reached: "Досягнуто ліміту користувачів. За поточним тарифним планом більше не можна створювати облікових записів."
             password_confirmation:
-              confirmation: "Password confirmation does not match password."
+              confirmation: "Підтвердження пароля та пароль не збігаються."
               format: "%{message}"
             password:
               weak: "Має містити символи наступних класів (принаймні %{min_count} з %{all_count}): %{rules}."
@@ -796,7 +791,7 @@ uk:
         version:
           undeletable_work_packages_attached: "Версію не можна видалити, оскільки до неї приєднані робочі пакети."
         status:
-          readonly_default_exlusive: "can not be activated for statuses that are marked default."
+          readonly_default_exlusive: "– не можна активувати для статусів, позначених як стандартні."
       template:
         body: "Перевірте наступні поля:"
         header:
@@ -818,10 +813,10 @@ uk:
       news: "Новини"
       notification:
         one: "Сповіщення"
-        few: "Notifications"
-        many: "Notifications"
-        other: "Notifications"
-      placeholder_user: "Placeholder user"
+        few: "Сповіщення"
+        many: "Сповіщення"
+        other: "Сповіщення"
+      placeholder_user: "Прототип користувача"
       project: "Проект"
       query: "Частковий запит"
       role:
@@ -863,9 +858,9 @@ uk:
     date: "Дата"
     default_columns: "Типові колонки"
     description: "Опис"
-    derived_due_date: "Derived finish date"
-    derived_estimated_hours: "Derived estimated time"
-    derived_start_date: "Derived start date"
+    derived_due_date: "Отримана дата завершення"
+    derived_estimated_hours: "Отриманий приблизний час"
+    derived_start_date: "Отримана дата початку"
     display_sums: "Відображати суми"
     due_date: "Дата закінчення"
     estimated_hours: "Час (приблизно)"
@@ -897,37 +892,38 @@ uk:
     type: "Тип"
     updated_at: "Оновлене"
     updated_on: "Оновлене"
-    uploader: "Uploader"
+    uploader: "Завантажувач"
     user: "Користувач"
     version: "Версія"
     work_package: "Пакет робіт"
   backup:
-    label_backup_token: "Backup token"
-    label_create_token: "Create backup token"
-    label_delete_token: "Delete backup token"
-    label_reset_token: "Reset backup token"
-    label_token_users: "The following users have active backup tokens"
+    failed: "Помилка резервної копії"
+    label_backup_token: "Маркер резервного копіювання"
+    label_create_token: "Створити маркер резервного копіювання"
+    label_delete_token: "Видалити маркер резервного копіювання"
+    label_reset_token: "Скинути маркер резервного копіювання"
+    label_token_users: "Наведені нижче користувачі мають активні маркери резервного копіювання"
     reset_token:
       action_create: Створити
       action_reset: Скинути
-      heading_reset: "Reset backup token"
-      heading_create: "Create backup token"
+      heading_reset: "Скидання маркера резервного копіювання"
+      heading_create: "Створення маркера резервного копіювання"
       implications: >
-        Enabling backups will allow any user with the required permissions and this backup token to download a backup containing all data of this OpenProject installation. This includes the data of all other users.
+        Увімкнення резервних копій дасть змогу всім користувачам з обов’язковими дозволами та цим маркером резервного копіювання завантажувати резервні копії з усіма даними цього встановлення OpenProject. Це включає дані всіх інших користувачів.
       info: >
-        You will need to generate a backup token to be able to create a backup. Each time you want to request a backup you will have to provide this token. You can delete the backup token to disable backups for this user.
+        Щоб створити резервну копію, потрібно згенерувати маркер резервного копіювання. Щоразу, коли ви хочете надіслати запит на резервне копіювання, знадобиться надати цей маркер. Щоб вимкнути резервне копіювання для цього користувача, видаліть цей маркер резервного копіювання.
       verification: >
-        Enter %{word} to confirm you want to %{action} the backup token.
-      verification_word_reset: reset
-      verification_word_create: create
+        Введіть «%{word}», щоб підтвердити %{action} маркера резервного копіювання.
+      verification_word_reset: скидання
+      verification_word_create: створення
       warning: >
-        When you create a new token you will only be allowed to request a backup after 24 hours. This is a safety measure. After that you can request a backup any time using that token.
-    text_token_deleted: Backup token deleted. Backups are now disabled.
+        У разі створення нового маркера надіслати запит на резервне копіювання можна тільки через 24 години. Це запобіжний захід. Після цього ви зможете будь-коли надіслати запит на резервне копіювання за допомогою цього маркера.
+    text_token_deleted: Маркер резервного копіювання видалено. Резервні копії тепер вимкнено.
     error:
-      invalid_token: Invalid or missing backup token
-      token_cooldown: The backup token will be valid in %{hours} hours.
-      backup_pending: There is already a backup pending.
-      limit_reached: You can only do %{limit} backups per day.
+      invalid_token: Недійсний або відсутній маркер резервного копіювання
+      token_cooldown: Маркер резервного копіювання буде дійсний протягом %{hours} год.
+      backup_pending: Очікується початок резервного копіювання.
+      limit_reached: 'Ви можете створити лише стільки резервних копій на день: %{limit}.'
   button_add: "Додати"
   button_add_comment: "Додати коментар"
   button_add_member: Додати учасника
@@ -1007,17 +1003,17 @@ uk:
     text_update_consent_time: Установіть цей прапорець, щоб примусити користувачів знову погодитися. Увімкнути, коли ви змінили юридичний аспект інформації про згоду вище.
     update_consent_last_time: "Останнє оновлення згоди: %{update_time}"
   copy_project:
-    title: 'Copy project "%{source_project_name}"'
+    title: 'Скопіювати проєкт «%{source_project_name}»'
     started: "Почалось копіювання проекту \"%{source_project_name}\" у \"%{target_project_name}\". Вас буде проінформовано за допомогою електронної пошти як тільки \"%{target_project_name}\" буде доступний."
     failed: "Неможливо скопіювати проект %{source_project_name}"
-    failed_internal: "Copying failed due to an internal error."
+    failed_internal: "Копіювання не вдалося через внутрішню помилку."
     succeeded: "Створений проект %{target_project_name}"
     errors: "Помилка"
     project_custom_fields: 'Спеціальні поля в проекті'
     x_objects_of_this_type:
-      zero: 'No objects of this type'
-      one: 'One object of this type'
-      other: '%{count} objects of this type'
+      zero: 'Немає об’єктів цього типу'
+      one: 'Один об’єкт цього типу'
+      other: 'Об’єктів цього типу: %{count}'
     text:
       failed: "Не вдалося скопіювати проект \"%{source_project_name}\" до проекту \"%{target_project_name}\"."
       succeeded: "Скопіював проект \"%{source_project_name}\" до \"%{target_project_name}\"."
@@ -1045,7 +1041,7 @@ uk:
       - "Жов"
       - "Лис"
       - "Гру"
-    abbr_week: 'Wk'
+    abbr_week: 'Тиж.'
     day_names:
       - "Неділя"
       - "Понеділок"
@@ -1187,7 +1183,7 @@ uk:
   default_role_anonymous: "Анонімний режим"
   default_role_developer: "Розробник"
   default_role_project_admin: "Адміністратор проекту"
-  default_role_project_creator_and_staff_manager: "Staff and projects manager"
+  default_role_project_creator_and_staff_manager: "Персонал і менеджер проєктів"
   default_role_non_member: "Не учасник"
   default_role_reader: "Читач"
   default_role_member: "Учасник"
@@ -1239,28 +1235,28 @@ uk:
         rename_groups: "Перейменувати групи атрибутів"
       project_filters:
         description_html: "Фільтрування та сортування по власних полях доступне тільки у корпоративній версії."
-  enumeration_activities: "Time tracking activities"
+  enumeration_activities: "Дії щодо відстеження часу"
   enumeration_work_package_priorities: "Пріоритети робочого пакету"
   enumeration_reported_project_statuses: "Повідомлення про статус проекту"
   error_auth_source_sso_failed: "Єдиний вхід (SSO) для користувача %{value} не вдалося "
-  error_can_not_archive_project: "This project cannot be archived: %{errors}"
+  error_can_not_archive_project: "Цей проєкт не можна архівувати: %{errors}"
   error_can_not_delete_entry: "Неможливо видалити запис"
   error_can_not_delete_custom_field: "Неможливо видалити спеціальне поле"
   error_can_not_delete_type:
-    explanation: 'This type contains work packages and cannot be deleted. You can see all affected work packages in <a target="_blank" href="%{url}">this view</a>.'
-    archived_projects: 'There are also work packages in archived projects. You need to reactivate the following projects first, before you can change the type of the respective work packages: %{archived_projects}'
+    explanation: 'Цей тип містить пакети робіт, і його не можна видалити. Переглянути всі пошкоджені пакети робіт можна в <a target="_blank" href="%{url}">цьому поданні</a>.'
+    archived_projects: 'В архівованих проєктах є також пакети робіт. Спочатку потрібно повторно активувати наведені нижче проєкти, а потім – змінити типи відповідних пакетів робіт: %{archived_projects}'
   error_can_not_delete_standard_type: "Стандартні типи неможливо видалити."
   error_can_not_invite_user: "Не вдалося надіслати запрошення користувачеві."
   error_can_not_remove_role: "Ця роль використовується і не може бути видалений."
   error_can_not_reopen_work_package_on_closed_version: "Пакет робіт покладених на закритій версії не може бути відкритий"
   error_can_not_find_all_resources: "Не вдалося знайти всі відповідні ресурси для цього запиту."
-  error_can_not_unarchive_project: "This project cannot be unarchived: %{errors}"
+  error_can_not_unarchive_project: "Цей проєкт не можна розархівувати: %{errors}"
   error_check_user_and_role: "Будь ласка виберіть користувача і роль."
   error_code: "Помилка %{code}"
   error_cookie_missing: 'Файл cookie OpenProject відсутній. Переконайтеся, що файли cookie увімкнено, оскільки ця програма не буде функціонувати належним чином.'
   error_custom_option_not_found: "Варіант не існує."
   error_enterprise_activation_user_limit: "Ваш обліковий запис не можна активувати (досягнуто обмеження користувача). Щоб отримати доступ, зверніться до свого адміністратора."
-  error_enterprise_token_invalid_domain: "The Enterprise Edition is not active. Your Enterprise token's domain (%{actual}) does not match the system's host name (%{expected})."
+  error_enterprise_token_invalid_domain: "Версія Enterprise Edition не активна. Ваш домен маркера Enterprise (%{actual}) не збігається з іменем хосту системи (%{expected})."
   error_failed_to_delete_entry: 'Не вдалося видалити цей запис.'
   error_in_dependent: "Помилка спроби змінити залежний об'єкт: %{dependent_class} %{related_id} - %{related_subject}: %{error}"
   error_invalid_selected_value: "Недійсне вибране значення."
@@ -1276,8 +1272,8 @@ uk:
   error_no_default_work_package_status: "Не визначено статус робочого пакету за промовчанням. Перевірте конфігурацію (перейдіть до розділу \"Адміністрування -> Статуси робочих пакетів\")."
   error_no_type_in_project: "З цим проектом не асоційовано жодного типу. Перевірте налаштування проекту."
   error_omniauth_registration_timed_out: "Реєстрація через зовнішнього постачальника аутентифікації закінчилася. Будь ласка спробуйте ще раз."
-  error_omniauth_invalid_auth: "The authentication information returned from the identity provider was invalid. Please contact your administrator for further help."
-  error_password_change_failed: 'An error occurred when trying to change the password.'
+  error_omniauth_invalid_auth: "Постачальник ідентифікаторів повернув недійсні дані для автентифікації. Зверніться до адміністратора, щоб отримати додаткову допомогу."
+  error_password_change_failed: 'Під час спроби змінити пароль сталася помилка.'
   error_scm_command_failed: "Помилка доступу до сховища: %{value}"
   error_scm_not_found: "Запис або ревізію (версію) не знайдено у репозиторії."
   error_unable_delete_status: "Робота статус пакет не може бути видалено оскільки він використовується щонайменше один пакет робіт."
@@ -1291,7 +1287,7 @@ uk:
   error_menu_item_not_saved: Не вдалося зберегти пункт меню
   error_wiki_root_menu_item_conflict: >
     Неможливо перейменувати %{old_name} для %{new_name} через конфлікт у результуючому пункті меню з існуючим пунктом меню %{existing_caption} %{existing_identifier}
-  error_external_authentication_failed: "An error occurred during external authentication. Please try again."
+  error_external_authentication_failed: "Під час зовнішньої автентифікації сталася помилка. Повторіть спробу."
   error_attribute_not_highlightable: "Атрибут(и) не виділено: %{attributes}"
   events:
     project: 'Проект відредаговано'
@@ -1305,9 +1301,9 @@ uk:
     work_package_edit: 'Робочий пакет оновлений'
     work_package_note: 'Робочий пакет не доданий'
   export:
-    your_work_packages_export: "Your work packages export"
-    succeeded: "The export has completed successfully."
-    failed: "The export has failed: %{message}"
+    your_work_packages_export: "Експорт ваших пакетів робіт"
+    succeeded: "Експорт успішно завершено."
+    failed: "Експорт не завершено: %{message}"
     format:
       atom: "Atom"
       csv: "CSV"
@@ -1316,7 +1312,7 @@ uk:
       pdf_with_descriptions_and_attachments: "PDF з описами та додатками"
       pdf_with_attachments: "PDF з вкладеннями"
     image:
-      omitted: "Image not exported."
+      omitted: "Зображення не експортовано."
   extraction:
     available:
       pdftotext: "Доступний текст PDF (необов'язково)"
@@ -1372,9 +1368,9 @@ uk:
   menus:
     admin:
       mail_notification: "Email сповіщення"
-      incoming_outgoing: "Incoming & Outgoing"
+      incoming_outgoing: "Вхідні та вихідні"
     quick_add:
-      label: "Open quick add menu"
+      label: "Відкрити меню швидкого додавання"
   my_account:
     access_tokens:
       no_results:
@@ -1386,7 +1382,7 @@ uk:
         expiration: "Закінчується"
       indefinite_expiration: "Ніколи"
   notifications:
-    send_notifications: "Send notifications for this action"
+    send_notifications: "Надсилати сповіщення щодо цієї дії"
     work_packages:
       subject:
         created: "Робочий блок було створено."
@@ -1411,7 +1407,7 @@ uk:
         команда OpenProject
       body_header: 'Версія 12.0 з Центром Сповіщень'
       body_subheader: 'Новини'
-      subject: 'Important changes to notifications with the release of 12.0'
+      subject: 'Важливі зміни в системі сповіщень у випуску 12.0'
   label_accessibility: "Розробникам також потрібно оплачувати свої рахунки. З доступністю"
   label_account: "Обліковий запис"
   label_active: "Активний"
@@ -1461,7 +1457,7 @@ uk:
   label_available_project_versions: 'Доступні версії'
   label_available_project_repositories: 'Доступні сховища'
   label_api_documentation: "Документація API"
-  label_backup: "Backup"
+  label_backup: "Резервна копія"
   label_between: "між ними"
   label_blocked_by: "заблоковано"
   label_blocks: "блоки"
@@ -1497,7 +1493,7 @@ uk:
   label_check_uncheck_all_in_column: "Позначте/зніміть всі прапорці в колонці"
   label_check_uncheck_all_in_row: "Позначте/зніміть всі прапорці в рядку"
   label_child_element: "Дочірній елемент"
-  label_chronological_order: "Oldest first"
+  label_chronological_order: "Спочатку старіші"
   label_close_versions: "Закрити завершені версії"
   label_closed_work_packages: "зачинено"
   label_collapse: "Згорнути"
@@ -1527,7 +1523,7 @@ uk:
   label_custom_field_plural: "Індивідуальні поля"
   label_custom_field_default_type: "Порожній тип"
   label_custom_style: "Дизайн"
-  label_database_version: "PostgreSQL version"
+  label_database_version: "Версія PostgreSQL"
   label_date: "Дата"
   label_date_and_time: "Дата і час"
   label_date_from: "Від"
@@ -1539,8 +1535,8 @@ uk:
   label_delete_project: "Видалити проект"
   label_deleted: "вилучено "
   label_deleted_custom_field: "(видалено спеціальне поле)"
-  label_deleted_custom_option: "(deleted option)"
-  label_missing_or_hidden_custom_option: "(missing value or lacking permissions to access)"
+  label_deleted_custom_option: "(параметр видалення)"
+  label_missing_or_hidden_custom_option: "(відсутнє значення або бракує дозволів для доступу)"
   label_descending: "За спаданням"
   label_details: "Детальніше"
   label_development_roadmap: "Розробка дорожньої карти"
@@ -1558,7 +1554,7 @@ uk:
   label_duplicate: "Дублювати"
   label_duplicates: "Дублікати"
   label_edit: "Редагувати"
-  label_edit_x: "Edit: %{x}"
+  label_edit_x: "Редагувати: %{x}"
   label_enable_multi_select: "Перемкнути мультиселекцію"
   label_enabled_project_custom_fields: 'Увімкнено спеціальні поля'
   label_enabled_project_modules: 'Включені модулі'
@@ -1664,12 +1660,12 @@ uk:
   label_member_new: "Новий учасник"
   label_member_all_admin: "(Усі ролі через статус адміністратора)"
   label_member_plural: "Учасники"
-  lable_membership_added: 'Member added'
-  lable_membership_updated: 'Member updated'
+  lable_membership_added: 'Учасника додано'
+  lable_membership_updated: 'Учасника оновлено'
   label_menu_badge:
-    pre_alpha: 'pre-alpha'
-    alpha: 'alpha'
-    beta: 'beta'
+    pre_alpha: 'попередня альфа'
+    alpha: 'альфа'
+    beta: 'бета'
   label_menu_item_name: "Назва пункту меню"
   label_message: "Повідомлення"
   label_message_last: "Останнє повідомлення"
@@ -1741,9 +1737,9 @@ uk:
   label_permissions: "Дозволи"
   label_permissions_report: "Звіт про права доступу"
   label_personalize_page: "Персоналізуйте цю сторінку"
-  label_placeholder_user: "Placeholder user"
-  label_placeholder_user_new: "New placeholder user"
-  label_placeholder_user_plural: "Placeholder users"
+  label_placeholder_user: "Прототип користувача"
+  label_placeholder_user_new: "Створити прототип користувача"
+  label_placeholder_user_plural: "Протототипи користувачів"
   label_planning: "Планування"
   label_please_login: "Увійдіть у систему"
   label_plugins: "Плагіни"
@@ -1903,7 +1899,7 @@ uk:
   label_wiki_content_added: "Додано сторінку Wiki"
   label_wiki_content_updated: "Сторінка Wiki оновлена"
   label_wiki_toc: "Зміст"
-  label_wiki_toc_empty: "Table of Contents is empty as no headings are present."
+  label_wiki_toc_empty: "Зміст пустий, оскільки немає заголовків."
   label_wiki_dont_show_menu_item: "Не показувати це wikipage в навігації проекту"
   label_wiki_edit: "Редагування Wiki"
   label_wiki_edit_plural: "Редагування Wiki"
@@ -1937,19 +1933,19 @@ uk:
   label_x_closed_work_packages_abbr:
     one: "1 закрита"
     other: "%{count} закритих"
-    zero: "0 closed"
+    zero: "0 закрито"
   label_x_comments:
     one: "1 коментар"
     other: "Коментарів: %{count}"
-    zero: "no comments"
+    zero: "немає коментарів"
   label_x_open_work_packages_abbr:
     one: "1 відкрита"
     other: "%{count} відкритих"
-    zero: "0 open"
+    zero: "0 відкрито"
   label_x_projects:
     one: "1 проект"
     other: "%{count} проектів"
-    zero: "no projects"
+    zero: "немає проєктів"
   label_yesterday: "вчора"
   label_role_type: "Тип"
   label_member_role: "Роль проекту"
@@ -1969,7 +1965,7 @@ uk:
     legacy_warning:
       timeline: 'Цей попередній макрос часової шкали видалено та більше не доступний. Можна замінити функціональність вбудованим макросом таблиці.'
     include_wiki_page:
-      removed: 'The macro does no longer exist.'
+      removed: 'Макросу більше не існує.'
     wiki_child_pages:
       errors:
         page_not_found: "Не вдається знайти вікі-сторінку %{name}"
@@ -1982,92 +1978,91 @@ uk:
   mail:
     actions: 'Дії'
     digests:
-      including_mention_singular: 'including a mention'
-      including_mention_plural: 'including %{number_mentioned} mentions'
+      including_mention_singular: 'включно зі згадкою'
+      including_mention_plural: 'включно зі згадками (%{number_mentioned})'
       unread_notification_singular: '1 не прочитане сповіщення '
-      unread_notification_plural: '%{number_unread} unread notifications'
-      you_have: 'You have'
+      unread_notification_plural: 'стільки непрочитаних сповіщень: %{number_unread}'
+      you_have: 'У вас'
     logo_alt_text: 'Логотип'
     mention:
-      subject: "%{user_name} mentioned you in #%{id} - %{subject}"
+      subject: "Користувач %{user_name} згадав вас у #%{id} – %{subject}"
     notification:
       center: 'Центр сповіщень'
       see_in_center: 'Переглянути коментарі у центрі сповіщень'
-      settings: 'Change email settings'
-    salutation: 'Hey %{user}!'
+      settings: 'Змінити налаштування електронної пошти'
+    salutation: 'Привіт, %{user}!'
     work_packages:
-      created_at: 'Created at %{timestamp} by %{user} '
-      login_to_see_all: 'Log in to see all notifications.'
-      mentioned: 'You have been <b>mentioned in a comment</b>'
-      mentioned_by: '%{user} mentioned you in a comment'
+      created_at: 'Створено о %{timestamp} користувачем %{user} '
+      login_to_see_all: 'Увійдіть, щоб переглянути всі сповіщення.'
+      mentioned: 'Вас <b>згадано в коментарі</b>'
+      mentioned_by: 'Користувач %{user} згадав вас у коментарі'
       more_to_see:
-        one: 'There is 1 more work package with notifications.'
-        few: 'There are %{count} more work packages with notifications.'
-        many: 'There are %{count} more work packages with notifications.'
-        other: 'There are %{count} more work packages with notifications.'
+        one: 'Є ще 1 пакет робіт зі сповіщеннями.'
+        few: 'Є ще %{count} пакети робіт зі сповіщеннями.'
+        many: 'Є ще %{count} пакетів робіт зі сповіщеннями.'
+        other: 'Є ще %{count} пакета робіт зі сповіщеннями.'
       reason:
-        watched: 'Watched'
-        assigned: 'Assigned'
+        watched: 'Відстежено'
+        assigned: 'Призначено'
         responsible: 'Відповідальний'
-        mentioned: 'Mentioned'
+        mentioned: 'Згадано'
         subscribed: 'всі'
-        prefix: 'Received because of the notification setting: %{reason}'
-      see_all: 'See all'
-      updated_at: 'Updated at %{timestamp} by %{user}'
+        prefix: 'Отримано через налаштування сповіщень: %{reason}'
+      see_all: 'Показати всі'
+      updated_at: 'Оновлено о %{timestamp} користувачем %{user}'
   mail_body_account_activation_request: "Новий користувач (%{value}) зареєструвався. Його обліковий запис чекає на ваше підтвердження:"
   mail_body_account_information: "Інформація по Вашому обліковому запису"
   mail_body_account_information_external: "Ви можете використовувати ваш %{value} обліковий запис для входу."
-  mail_body_backup_ready: "Your requested backup is ready. You can download it here:"
-  mail_body_backup_token_reset_admin_info: The backup token for user '%{user}' has been reset.
-  mail_body_backup_token_reset_user_info: Your backup token has been reset.
-  mail_body_backup_token_info: The previous token is no longer valid.
-  mail_body_backup_waiting_period: The new token will be enabled in %{hours} hours.
-  mail_body_backup_token_warning: If this wasn't you, login to OpenProject immediately and reset it again.
+  mail_body_backup_ready: "Запитана вами резервна копія готова. Її можна завантажити тут:"
+  mail_body_backup_token_reset_admin_info: Маркер резервного копіювання для користувача «%{user}» скинуто.
+  mail_body_backup_token_reset_user_info: Ваш маркер резервного копіювання скинуто.
+  mail_body_backup_token_info: Попередній маркер більше не дійсний.
+  mail_body_backup_waiting_period: Новий маркер почне діяти через %{hours} год.
+  mail_body_backup_token_warning: Якщо це були не ви, негайно ввійдіть в OpenProject і знову скиньте його.
   mail_body_lost_password: "Щоб змінити пароль, натисніть на посилання:"
-  mail_body_register: "Welcome to %{app_title}. Please activate your account by clicking on this link:"
-  mail_body_register_header_title: "Project member invitation email"
-  mail_body_register_user: "Dear %{name}, "
+  mail_body_register: "Вітаємо в %{app_title}. Активуйте свій обліковий запис, перейшовши за цим посиланням:"
+  mail_body_register_header_title: "Електронний лист із запрошенням стати учасником проєкту"
+  mail_body_register_user: "Добрий день, %{name}!"
   mail_body_register_links_html: |
-    Please feel free to browse our youtube channel (%{youtube_link}) where we provide a webinar (%{webinar_link})
-    and “Get started” videos (%{get_started_link}) to make your first steps in OpenProject as easy as possible.
+    Ознайомтеся з нашим каналом на YouTube (%{youtube_link}), де ми проводимо вебінар (%{webinar_link}) і відео «Як почати роботу» (%{get_started_link}), щоб якомога більше спростити свої перші кроки в OpenProject.
     <br />
-    If you have any further questions, consult our documentation (%{documentation_link}) or contact your administrator.
-  mail_body_register_closing: "Your OpenProject team"
-  mail_body_register_ending: "Stay connected! Kind regards,"
+    Якщо виникнуть запитання, перегляньте нашу документацію (%{documentation_link}) або зверніться до адміністратора.
+  mail_body_register_closing: "Ваша команда OpenProject"
+  mail_body_register_ending: "Будьте на зв’язку! З повагою,"
   mail_body_reminder: "%{count} призначених на Вас робочих пакетів на наступні %{days} днів:"
-  mail_body_group_reminder: "%{count} work package(s) that are assigned to group \"%{group}\" are due in the next %{days} days:"
+  mail_body_group_reminder: "Пакети робіт (%{count}), призначені групі «%{group}», потрібно завершити протягом наступних %{days} дн.:"
   mail_body_wiki_content_added: "%{author} додав(ла) wiki-сторінку %{id}."
   mail_body_wiki_content_updated: "%{author} оновив(ла) wiki-сторінку %{id}."
   mail_subject_account_activation_request: "Запит на активацію облікового запису %{value}"
-  mail_subject_backup_ready: "Your backup is ready"
-  mail_subject_backup_token_reset: "Backup token reset"
+  mail_subject_backup_ready: "Ваша резервна копія готова"
+  mail_subject_backup_token_reset: "Скидання маркера резервного копіювання"
   mail_subject_lost_password: "Ваш %{value} пароль"
   mail_subject_register: "Активація облікового запису %{value}"
   mail_subject_reminder: "%{count} призначених на Вас робочих пакетів в найближчі %{days} дні"
-  mail_subject_group_reminder: "For group \"%{group}\" %{count} work package(s) due in the next %{days} days"
+  mail_subject_group_reminder: "Пакети робіт (%{count}), призначені групі «%{group}», потрібно завершити протягом наступних %{days} дн."
   mail_subject_wiki_content_added: "Wiki-сторінка '%{id}' була додана"
   mail_subject_wiki_content_updated: "Wiki-сторінка '%{id}' була оновлена"
   mail_member_added_project:
-    subject: "%{project} - You have been added as a member"
+    subject: "%{project} — вас додано як учасника"
     body:
       added_by:
-        without_message: "%{user} added you as a member to the project '%{project}'."
-        with_message: "%{user} added you as a member to the project '%{project}' writing:"
-      roles: "You have the following roles:"
+        without_message: "Користувач %{user} додав вас як учасника проєкту «%{project}»."
+        with_message: "Користувач %{user} додав вас як учасника проєкту «%{project}»:"
+      roles: "У вас є такі ролі:"
   mail_member_updated_project:
-    subject: "%{project} - Your roles have been updated"
+    subject: "%{project} – ваші ролі оновлено"
     body:
       updated_by:
-        without_message: "%{user} updated the roles you have in the project '%{project}'."
-        with_message: "%{user} updated the roles you have in the project '%{project}' writing:"
-      roles: "You now have the following roles:"
+        without_message: "Користувач %{user} оновив ваші ролі в проєкті «%{project}»."
+        with_message: "Користувач %{user} оновив ваші ролі в проєкті «%{project}»:"
+      roles: "Зараз у вас є такі ролі:"
   mail_member_updated_global:
-    subject: "Your global permissions have been updated"
+    subject: "Ваші глобальні дозволи оновлено"
     body:
       updated_by:
-        without_message: "%{user} updated the roles you have globally."
-        with_message: "%{user} updated the roles you have globally writing:"
-      roles: "You now have the following roles:"
+        without_message: "Користувач %{user} оновив ваші глобальні ролі. "
+        with_message: "Користувач %{user} оновив ваші глобальні ролі:"
+      roles: "Зараз у вас є такі ролі:"
   mail_user_activation_limit_reached:
     subject: Досягнуто ліміту активації користувача
     message: |
@@ -2109,7 +2104,7 @@ uk:
   notice_email_sent: "Відправлено листа %{value}"
   notice_failed_to_save_work_packages: "Не вдалося зберегти %{count} робочих пакетів на %{total} вибрано: %{ids}."
   notice_failed_to_save_members: "Не вдалось зберегти учасника(ів): %{errors}."
-  notice_deletion_scheduled: "The deletion has been scheduled and is performed asynchronously."
+  notice_deletion_scheduled: "Видалення заплановано та виконується асинхронно."
   notice_file_not_found: "Сторінка, на яку ви намагаєтеся зайти, не існує або видалена."
   notice_forced_logout: "Ви автоматично вийшли з системи після %{ttl_time} хвилин бездіяльності."
   notice_internal_server_error: "Сталася помилка на сторінці, до якої ви намагалися отримати доступ. Якщо ви продовжуєте відчувати проблеми, зверніться до свого адміністратора %{app_title} за допомогою."
@@ -2169,14 +2164,14 @@ uk:
     heading_getting_started: "Отримати огляд"
     text_getting_started_description: "Отримати короткий огляд управління проектами та командної співпраці з OpenProject."
     text_show_again: "Ви можете перезапустити це відео з меню довідки"
-    welcome: "Welcome to %{app_title}"
+    welcome: "Вітаємо в додатку %{app_title}"
     select_language: "Будь ласка, виберіть мову"
   permission_add_work_package_notes: "Додати нотатки"
   permission_add_work_packages: "Додати робочі пакети"
   permission_add_messages: "Відправка повідомлень"
   permission_add_project: "Створити проект"
-  permission_manage_user: "Create and edit users"
-  permission_manage_placeholder_user: "Create, edit, and delete placeholder users"
+  permission_manage_user: "Створювати й редагувати користувачів"
+  permission_manage_placeholder_user: "Створення, редагування та видалення прототипів користувачів"
   permission_add_subprojects: "Створення підпроектів"
   permission_add_work_package_watchers: "Додати спостерігачів"
   permission_assign_versions: "Призначити версії"
@@ -2216,15 +2211,15 @@ uk:
   permission_manage_project_activities: "Управління проектною діяльністю"
   permission_manage_public_queries: "Керуйте переглядами громадськості"
   permission_manage_repository: "Управління сховищем"
-  permission_manage_subtasks: "Manage work package hierarchies"
+  permission_manage_subtasks: "Керування ієрархіями пакетів робіт"
   permission_manage_versions: "Управління версіями"
   permission_manage_wiki: "Управління wiki"
   permission_manage_wiki_menu: "Керування wiki-меню"
-  permission_move_work_packages: "Перемістити робочі пакети"
+  permission_move_work_packages: "Переміщення робочих пакетів"
   permission_protect_wiki_pages: "Захист wiki-сторінок"
   permission_rename_wiki_pages: "Перейменування wiki-сторінок"
   permission_save_queries: "Зберегти перегляди"
-  permission_select_custom_fields: "Select custom fields"
+  permission_select_custom_fields: "Вибирати власні поля"
   permission_select_project_modules: "Вибір модулів проекту"
   permission_manage_types: "Виберіть типи"
   permission_view_changesets: "Перегляд змін репозиторію (сховища) в OpenProject"
@@ -2238,6 +2233,8 @@ uk:
   permission_view_timelines: "Переглянути часові рамки"
   permission_view_wiki_edits: "Перегляд історії wiki"
   permission_view_wiki_pages: "Перегляд wiki"
+  permission_work_package_assigned: "Стати виконавцем / відповідальним"
+  permission_work_package_assigned_explanation: "Робочі пакети можуть бути призначені користувачам і групам, які володіють цією роллю у відповідному проекті"
   placeholders:
     default: "-"
   project:
@@ -2253,13 +2250,13 @@ uk:
       title: Змініть ідентифікатор проекту
     template:
       copying: >
-        Your project is being created from the selected template project. You will be notified by mail as soon as the project is available.
-      use_template: 'Use template'
-      make_template: 'Set as template'
-      remove_from_templates: 'Remove from templates'
+        Ваш проєкт створюється на основі вибраного шаблону проєкту. Ми повідомимо Вас електронною поштою, щойно проєкт стане доступним.
+      use_template: 'Використовувати шаблон'
+      make_template: 'Установити як шаблон'
+      remove_from_templates: 'Вилучити із шаблонів'
     archive:
       are_you_sure: "Дійсно архівувати проект %{name} ?"
-      archived: "Archived"
+      archived: "Архівований"
   project_module_activity: "Активність"
   project_module_forums: "Форуми"
   project_module_work_package_tracking: "Відстеження робочого пакету"
@@ -2275,8 +2272,8 @@ uk:
     assigned_to_role: "Роль виконавця"
     member_of_group: "Група виконавця"
     assignee_or_group: "Правонаступник або приналежність до групи"
-    subproject_id: "Including Subproject"
-    only_subproject_id: "Only subproject"
+    subproject_id: "Включно з підпроєктом"
+    only_subproject_id: "Лише підпроєкт"
     name_or_identifier: "Ім'я або ідентифікатор"
   repositories:
     at_identifier: 'на %{identifier}'
@@ -2377,27 +2374,27 @@ uk:
       username: "Ім'я користувача сховища"
     truncated: "На жаль, нам довелося скоротити цей каталог до%{limit} файлів: %{truncated} записи були опущені зі списку."
     named_repository: "%{vendor_name} сховище"
-    update_settings_successful: "The settings have been successfully saved."
+    update_settings_successful: "Налаштування збережено."
     url: "URL-адреса до сховища "
     warnings:
       cannot_annotate: "Цей файл не може бути анотований."
   scheduling:
-    activated: 'activated'
-    deactivated: 'deactivated'
+    activated: 'активовано'
+    deactivated: 'деактивовано'
   search_input_placeholder: "Пошук ..."
-  setting_apiv3_cors_enabled: "Enable CORS"
-  setting_apiv3_cors_origins: "API V3 Cross-Origin Resource Sharing (CORS) allowed origins"
+  setting_apiv3_cors_enabled: "Увімкнути CORS"
+  setting_apiv3_cors_origins: "Дозволені джерела CORS (Cross-Origin Resource Sharing) в API версії 3"
   setting_apiv3_cors_origins_text_html: >
-    If CORS is enabled, these are the origins that are allowed to access OpenProject API. <br/> Please check the <a href="%{origin_link}" target="_blank">Documentation on the Origin header</a> on how to specify the expected values.
+    Якщо CORS увімкнено, це джерела, які можуть отримувати доступ до OpenProject API. <br/>Щоб дізнатися, як указати очікувані значення, ознайомтеся з <a href="%{origin_link}" target="_blank">Документацією щодо заголовка джерела</a>.
   setting_apiv3_max_page_size: "Максимальний розмір сторінки API"
   setting_apiv3_max_page_instructions_html: >
     Встановіть максимальний розмір сторінки, яка відповідатиме API. Неможливо виконати запити API, які повертають більше значень на сторінці.
     Увага: Будь ласка, змінюйте значення тільки у тому разі, якщо ви впевнені у необхідності цієї дії.  Внаслідок встановлення високого значення спостерігатиметься значний вплив на продуктивність, тоді як значення, що є меншим за сторінку, призведе до появи помилок у переглядах сторінок.
   setting_apiv3_docs: "Документація"
-  setting_apiv3_docs_enabled: "Enable docs page"
+  setting_apiv3_docs_enabled: "Увімкнути сторінку документів"
   setting_apiv3_docs_enabled_instructions_html: >
-    If the docs page is enabled you can get an interactive view of the APIv3 documentation under <a href="%{link}" target="_blank">%{link}</a>.
-  setting_attachment_whitelist: "Attachment upload whitelist"
+    Якщо сторінку документів увімкнено, ви можете отримати інтерактивне подання документації APIv3 за посиланням <a href="%{link}" target="_blank">%{link}</a>.
+  setting_attachment_whitelist: "Дозволений список завантаження вкладень"
   setting_email_delivery_method: "Спосіб доставки електронної пошти"
   setting_sendmail_location: "Розташування виконуваного файлу sendmail"
   setting_smtp_enable_starttls_auto: "Автоматично використовуйте STARTTLS, якщо він доступний"
@@ -2431,7 +2428,7 @@ uk:
   setting_consent_required: "Потрібна згода"
   setting_consent_decline_mail: "Згода на контактну пошту"
   setting_cross_project_work_package_relations: "Дозволити взаємозв'язок між робочими пакетами і проектами"
-  setting_first_week_of_year: "First week in year contains"
+  setting_first_week_of_year: "Перший тиждень у році містить"
   setting_date_format: "Формат дати:"
   setting_default_language: "Мова за замовчуванням"
   setting_default_projects_modules: "Включені по замовчуванню модулі для нових проектів"
@@ -2442,8 +2439,8 @@ uk:
   setting_emails_header: "Заголовок листа"
   setting_email_login: "Використовуйте електронну пошту як логін"
   setting_enabled_scm: "Увімкнені SCM"
-  setting_enabled_projects_columns: "Visible in project list"
-  setting_notification_retention_period_days: "Notification retention period"
+  setting_enabled_projects_columns: "Видимий у списку проєктів"
+  setting_notification_retention_period_days: "Період зберігання сповіщення"
   setting_feeds_enabled: "Увімкнути канали"
   setting_feeds_limit: "Обмеження вмісту каналу"
   setting_file_max_size_displayed: "Максимальний розмір текстового файлу для відображення"
@@ -2457,7 +2454,7 @@ uk:
   setting_work_package_properties: "Властивості робочого пакета"
   setting_work_package_startdate_is_adddate: "Використовувати поточну дату в якості дати початку роботи для нових пакетів"
   setting_work_packages_export_limit: "Ліміт експорту робочих пакетів"
-  setting_journal_aggregation_time_minutes: "User actions aggregated within"
+  setting_journal_aggregation_time_minutes: "Дії користувача зведено протягом"
   setting_log_requesting_user: "Запишіть логін користувача, ім'я та поштову адресу для всіх запитів"
   setting_login_required: "Необхідна аутентифікація"
   setting_mail_from: "email адреса для передачі інформації"
@@ -2474,8 +2471,8 @@ uk:
   setting_per_page_options: "Кількість записів на сторінку"
   setting_plain_text_mail: "Простий текстовий лист (без HTML)"
   setting_protocol: "Протокол"
-  setting_project_gantt_query: "Project portfolio Gantt view"
-  setting_project_gantt_query_text: "You can modify the query that is used to display Gantt chart from the project overview page."
+  setting_project_gantt_query: "Подання Ґанта портфеля проєкту "
+  setting_project_gantt_query_text: "Ви можете змінити запит, який слугує для показу діаграми Ґанта на сторінці огляду проєкту."
   setting_security_badge_displayed: "Показ значка безпеки"
   setting_registration_footer: "Реєстраційний колонтитул"
   setting_repositories_automatic_managed_vendor: "Тип автоматичного сховища"
@@ -2514,20 +2511,20 @@ uk:
     brute_force_prevention: "Автоматизоване блокування користувачів"
     attachments:
       whitelist_text_html: >
-        Define a list of valid file extensions and/or mime types for uploaded files. <br/> Enter file extensions (e.g., <code>%{ext_example}</code>) or mime types (e.g., <code>%{mime_example}</code>). <br/> Leave empty to allow any file type to be uploaded. Multiple values allowed (one line for each value).
+        Визначте список дійсних розширень файлів і/або типів MIME для завантажених файлів. <br/>Введіть розширення файлу (напр., <code>%{ext_example}</code>) або типи MIME (напр., <code>%{mime_example}</code>). Не вказуйте нічого, щоб дозволити завантаження будь-яких типів файлів. Ви можете вводити кілька значень (по одному в кожному рядку).
     notifications:
       retention_text: >
-        Set the number of days notification events for users (the source for in-app notifications) will be kept in the system. Any events older than this time will be deleted.
-      events_explanation: 'Governs for which event an email is sent out. Work packages are excluded from this list as the notifications for them can be configured specifically for every user.'
-      delay_minutes_explanation: "Email sending can be delayed to allow users with configured in app notification to confirm the notification within the application before a mail is sent out. Users who read a notification within the application will not receive an email for the already read notification."
+        Установіть тривалість зберігання (у днях) подій сповіщення для користувачів (джерело для сповіщень у додатку). Усі події, які зберігаються довше, видалятимуться.
+      events_explanation: 'Визначає події, для яких надсилається електронний лист. Пакети робіт виключаються зі списку, оскільки сповіщення для них можна налаштувати окремо для кожного користувача.'
+      delay_minutes_explanation: "Надсилання електронного листа можна відкласти, щоб користувачі з налаштованими сповіщеннями в додатку могли підтверджувати сповіщення в додатку до надсилання листа. Користувачі, які прочитали сповіщення в додатку, не отримуватимуть електронні листи про вже прочитані сповіщення."
     display:
       first_date_of_week_and_year_set: >
-        If either options "%{day_of_week_setting_name}" or "%{first_week_setting_name}" are set, the other has to be set as well to avoid inconsistencies in the frontend.
+        Якщо вибрано один із варіантів «%{day_of_week_setting_name}» і «%{first_week_setting_name}», інший із цих варіантів потрібно також вибрати, щоб уникнути розбіжностей на зовнішньому сервері.
       first_week_of_year_text: >
-        Select the date of January that is contained in the first week of the year. This value together with first day of the week determines the total number of weeks in a year.
+        Виберіть дату в січні, що входить у перший тиждень року. Це значення разом із першим днем тижня визначає загальну кількість тижнів у році.
     projects:
-      section_new_projects: "Settings for new projects"
-      section_project_overview: "Settings for project overview list"
+      section_new_projects: "Налаштування нових проєктів"
+      section_project_overview: "Налаштування списку огляду проєктів"
     user:
       default_preferences: "Параметри за умовчанням"
       deletion: "Видалення"
@@ -2582,7 +2579,7 @@ uk:
   text_destroy_with_associated: "Існують додаткові об'єкти, асоційовані з робочими пакетами, які потрібно видалити. Ці об'єкти мають наступні типи:"
   text_destroy_what_to_do: "Що ти хочеш зробити?"
   text_diff_truncated: "... Це порівняння (diff) було скорочене, оскільки воно перевищує максимальний розмір, який можна відобразити."
-  text_email_delivery_not_configured: "Email delivery is not configured, and notifications are disabled.\nConfigure your SMTP server to enable them."
+  text_email_delivery_not_configured: "Доставку електронної пошти не налаштовано, і сповіщення вимкнуто.\nНалаштуйте свій SMTP-сервер, щоб увімкнути їх."
   text_enumeration_category_reassign_to: "Надати їм наступне значення:"
   text_enumeration_destroy_question: "%{count} об'єктам призначено дане значення."
   text_file_repository_writable: "Папка вкладень доступна для запису"
@@ -2595,14 +2592,14 @@ uk:
   text_work_package_category_destroy_question: "Деякі робочі пакети (%{count}) були призначені для цієї категорії. Що ви хочете зробити?"
   text_work_package_category_reassign_to: "Перепризначити робочі пакети до даної категорії"
   text_work_package_updated: "%{author} оновив робочий пакет %{id}."
-  text_work_package_watcher_added: "You have been added as a watcher to Work package %{id} by %{watcher_changer}."
-  text_work_package_watcher_removed: "You have been removed from watchers of Work package %{id} by %{watcher_changer}."
+  text_work_package_watcher_added: "Користувач %{watcher_changer} додав вас як відстежувача в пакет робіт %{id}."
+  text_work_package_watcher_removed: "Користувач %{watcher_changer} вилучив вас зі списку відстежувачів у пакеті робіт %{id}."
   text_work_packages_destroy_confirmation: "Ви впевнені у тому, що хочете видалити вибрані робочі пакети?"
   text_work_packages_ref_in_commit_messages: "Посилання та фіксація робочих пакетів у повідомленнях комітів"
   text_journal_added: "%{label} %{value} доданий"
-  text_journal_aggregation_time_explanation: "Individual actions of a user (e.g. updating a work package twice) are aggregated into a single action if their age difference is less than the specified timespan. They will be displayed as a single action within the application. This will also delay notifications by the same amount of time reducing the number of emails being sent."
-  text_journal_changed_html: "%{label} changed from %{old} %{linebreak}<strong>to</strong> %{new}"
-  text_journal_changed_plain: "%{label} changed from %{old} %{linebreak}to %{new}"
+  text_journal_aggregation_time_explanation: "Окремі дії користувача (напр., оновлення робочого пакета двічі) зводяться в одну дію, якщо відмінність у часі між ними менша за вказаний проміжок часу. Їх буде виведено як окремі дії в межах додатка. Крім того, це також призведе до затримки сповіщень на такий самий проміжок часу, що зменшить кількість електронних листів, які надсилатимуться. "
+  text_journal_changed_html: "%{label} змінено з %{old} %{linebreak}<strong>на</strong> %{new}"
+  text_journal_changed_plain: "%{label} змінено з %{old} %{linebreak}на %{new}"
   text_journal_changed_no_detail: "%{label} оновлено"
   text_journal_changed_with_diff: "%{label} змінено (%{link})"
   text_journal_deleted: "%{label} видалено (%{old})"
@@ -2858,7 +2855,7 @@ uk:
     reset_failed_logins: "Скинути помилки входу"
     status_user_and_brute_force: "%{user} і %{brute_force}"
     status_change: "Зміна стану"
-    text_change_disabled_for_provider_login: "The name is set by your login provider and can thus not be changed."
+    text_change_disabled_for_provider_login: "Це ім’я встановив ваш постачальник облікових даних, тому його не можна змінити."
     unlock: "Розблокувати"
     unlock_and_reset_failed_logins: "Розблокувати та скинути помилки входу до системи"
   version_status_closed: "зачинено"
@@ -2880,13 +2877,13 @@ uk:
 
   warning_bar:
     protocol_mismatch:
-      title: 'Protocol setting mismatch'
+      title: 'Невідповідність налаштувань протоколу'
       text_html: >
-        Your application is running with its protocol setting set to <code>%{set_protocol}</code>, but the request is an <code>%{actual_protocol}</code> request. This will result in errors! Go to <a href="%{setting_path}">System settings</a> and change the "Protocol" setting to correct this.
+        Ваш додаток запущено з протоколом <code>%{set_protocol}</code>, але в запиті використовується <code>%{actual_protocol}</code>. Це призведе до помилок! Виберіть <a href="%{setting_path}">Системні налаштування</a> та змініть параметр «Протокол» на правильний.
     hostname_mismatch:
-      title: 'Hostname setting mismatch'
+      title: 'Невідповідність налаштуванням імені хосту'
       text_html: >
-        Your application is running with its host name setting set to <code>%{set_hostname}</code>, but the request is a <code>%{actual_hostname}</code> hostname. This will result in errors! Go to <a href="%{setting_path}">System settings</a> and change the "Host name" setting to correct this.
+        Ваш додаток запущено з іменем хосту <code>%{set_hostname}</code>, але в запиті використовується <code>%{actual_hostname}</code>. Це призведе до помилок! Виберіть <a href="%{setting_path}">Системні налаштування</a> та змініть параметр «Ім’я хосту» на правильний.
   menu_item: "Пункт меню"
   menu_item_setting: "Видимість"
   wiki_menu_item_for: "Пункт меню для вікі-сторінки %{title}"
@@ -2912,10 +2909,10 @@ uk:
       code_403: "Ви не маєте права на доступ до цього ресурсу."
       code_404: "Не вдалося знайти потрібний ресурс."
       code_409: "Не вдалося оновити ресурс через конфліктуючі зміни."
-      code_429: "Too many requests. Please try again later."
+      code_429: "Забагато запитів. Повторіть спробу пізніше."
       code_500: "Сталася внутрішня помилка."
       not_found:
-        work_package: "The work package you are looking for cannot be found or has been deleted."
+        work_package: "Пакет робіт, який ви шукаєте, не можна знайти або його видалено."
       expected:
         date: "YYYY-MM-DD (ISO 8601 date only)"
         duration: "ISO 8601 тривалість"
@@ -2925,8 +2922,8 @@ uk:
       invalid_relation: "Відношення недійсне."
       invalid_resource: "За нерухомість %{property} посилання на зразок %{expected} очікується, але потрапив%{actual}."
       invalid_signal:
-        embed: "The requested embedding of %{invalid} is not supported. Supported embeddings are %{supported}."
-        select: "The requested select of %{invalid} is not supported. Supported selects are %{supported}."
+        embed: "Запитане вбудування %{invalid} не підтримується. Підтримувані вбудування: %{supported}."
+        select: "Запитаний варіант %{invalid} не підтримується. Підтримувані варіанти: %{supported}."
       invalid_user_status_transition: "Поточний статус облікового запису користувача не дозволяє цю операцію."
       missing_content_type: "не вказано"
       missing_request_body: "Не було органу запиту."
@@ -2946,26 +2943,26 @@ uk:
         invalid_user_assigned_to_work_package: "Вибраному користувачеві не дозволяється %{property} для цього робочого пакету."
         start_date: "Дата початку не може бути встановлена на базових робочих пакетах."
       eprops:
-        invalid_gzip: "is invalid gzip: %{message}"
-        invalid_json: "is invalid json: %{message}"
+        invalid_gzip: "– недійсний gzip: %{message}"
+        invalid_json: "– недійсний json: %{message}"
     resources:
       schema: 'Схема'
     undisclosed:
-      parent: Undisclosed - The selected parent is invisible because of lacking permissions.
-      ancestor: Undisclosed - The ancestor is invisible because of lacking permissions.
+      parent: Нерозкритий – вибраний батьківський елемент невидимий через відсутність дозволів.
+      ancestor: Нерозкритий – предок невидимий через відсутність дозволів.
   doorkeeper:
     pre_authorization:
       status: 'Попередня авторизація'
-    auth_url: 'Auth URL'
-    access_token_url: 'Access token URL'
+    auth_url: 'URL автентифікації'
+    access_token_url: 'URL маркера доступу'
     errors:
       messages:
         #Common error messages
         invalid_request:
           unknown: 'У запиті відсутній необхідний параметр, він містить непідтримуваний параметр або інший варіант.'
-          missing_param: 'Missing required parameter: %{value}.'
-          request_not_authorized: 'Request need to be authorized. Required parameter for authorizing request is missing or invalid.'
-        invalid_redirect_uri: "The requested redirect uri is malformed or doesn't match client redirect URI."
+          missing_param: 'Відсутній обов’язковий параметр: %{value}.'
+          request_not_authorized: 'Запит потрібно авторизувати. Необхідний параметр запиту авторизації відсутній або недійсний.'
+        invalid_redirect_uri: "Запитаний URI переспрямування пошкоджений або не збігається з клієнтським URI переспрямування."
         unauthorized_client: 'Клієнт не має права виконувати цей запит за допомогою цього методу.'
         access_denied: 'Власник ресурсів або сервер авторизації відхилив запит.'
         invalid_scope: 'Запитувана область дії є недійсною, невідомою або неправильною.'
@@ -2978,7 +2975,7 @@ uk:
         admin_authenticator_not_configured: 'Доступ до адміністративної панелі заборонений через Doorkeeper.configure.admin_authenticator being unconfigured.'
         #Access grant errors
         unsupported_response_type: 'Сервер авторизації не підтримує цей тип відповіді.'
-        unsupported_response_mode: 'The authorization server does not support this response mode.'
+        unsupported_response_mode: 'Сервер авторизації не підтримує цей режим відповіді.'
         #Access token errors
         invalid_client: 'Аутентифікація клієнта не вдалася за відстуності клієнта, не було включено автентифікацію клієнта або непідтримувався метод автентифікації.'
         invalid_grant: 'Наданий дозвіл на авторизацію недійсний, минув, анульований, не відповідає URI перенаправлення, що використовується в запиті на авторизацію, або був виданий іншому клієнту.'
@@ -2988,9 +2985,9 @@ uk:
           expired: "Термін дії доступу закінчився"
           unknown: "Маркер доступу недійсний"
         revoke:
-          unauthorized: "You are not authorized to revoke this token."
+          unauthorized: "Ви не вповноважені відкликати цей маркер."
         forbidden_token:
-          missing_scope: 'Access to this resource requires scope "%{oauth_scopes}".'
+          missing_scope: 'Для доступу до цього ресурсу потрібна область «%{oauth_scopes}».'
   unsupported_browser:
     title: "Ваш веб-переглядач застарілий і не підтримується."
     message: "Ви можете зіткнутися з помилками та погіршити досвід роботи на цій сторінці."
@@ -3008,7 +3005,7 @@ uk:
         redirect_uri_html: >
           Дозволені URL-адреси, дозволені користувачам, можна перенаправити. Один запис на рядок.  <br/>  Якщо ви реєструєте настільну програму, використовуйте таку URL-адресу.
         confidential: "Перевірте, чи буде використовуватися програма, якщо секрет клієнта може бути конфіденційним. Природні мобільні програми та програми з однією сторінкою вважаються неконфіденційними."
-        scopes: "Check the scopes you want the application to grant access to. If no scope is checked, api_v3 is assumed."
+        scopes: "Перевірте області, до яких ви хотіли б надати доступ. Якщо не позначено жодну область, такою вважатиметься api_v3."
         client_credential_user_id: "Необов'язковий ідентифікатор користувача, який видає себе, коли клієнти використовують цю програму. Залиште пустим, щоб дозволити лише загальний доступ"
         register_intro: "Якщо ви розробляєте клієнтське додаток OAuth для OpenProject, ви можете зареєструвати його, використовуючи цю форму для всіх користувачів."
         default_scopes: ""
@@ -3024,8 +3021,8 @@ uk:
         Ця програма запитує доступ до вашого облікового запису OpenProject.   <br/> <strong> 
         Він подав запит на такі дозволи:  </strong>
     scopes:
-      api_v3: "Full API v3 access"
-      api_v3_text: "Application will receive full read & write access to the OpenProject API v3 to perform actions on your behalf."
+      api_v3: "Повний доступ до API версії 3"
+      api_v3_text: "Додаток отримає повний доступ для читання та записування в OpenProject API версії 3, щоб виконувати дії від вашого імені."
     grants:
       created_date: "Затверджено"
       scopes: "Дозволи"
@@ -3047,4 +3044,4 @@ uk:
     authorization_error: "Сталася помилка авторизації."
     revoke_my_application_confirmation: "Ви дійсно бажаєте видалити цю програму? Це скасує %{token_count} активація для цього."
     my_registered_applications: "Зареєстровані програми OAuth"
-  you: you
+  you: ви
diff --git a/config/locales/crowdin/vi.yml b/config/locales/crowdin/vi.yml
index 5c9f4c1813..852b15d5f0 100644
--- a/config/locales/crowdin/vi.yml
+++ b/config/locales/crowdin/vi.yml
@@ -472,7 +472,6 @@ vi:
       repository:
         url: "Đường dẫn (URL)"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Phân Quyền"
       time_entry:
         activity: "Hoạt động"
@@ -889,6 +888,7 @@ vi:
     version: "Phiên bản"
     work_package: "Work Package"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Sao lưu token"
     label_create_token: "Tạo bản sao lưu token"
     label_delete_token: "Xóa bản sao lưu token"
@@ -2183,6 +2183,8 @@ vi:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
   placeholders:
     default: "-"
   project:
diff --git a/config/locales/crowdin/zh-TW.yml b/config/locales/crowdin/zh-TW.yml
index a713f6c34d..0e2c8217d4 100644
--- a/config/locales/crowdin/zh-TW.yml
+++ b/config/locales/crowdin/zh-TW.yml
@@ -103,7 +103,7 @@ zh-TW:
       <br/>
       <a href="https://www.openproject.org/help/administration/manage-ldap-authentication/">Please visit our documentation for detailed instructions</a>.
     attribute_texts:
-      name: Arbitrary name of the LDAP connection
+      name: LDAP 連接的任意名稱
       host: LDAP 主機名稱或 IP 位址
       login_map: The attribute key in LDAP that is used to identify the unique user login. Usually, this will be `uid` or `samAccountName`.
       generic_map: The attribute key in LDAP that is mapped to the OpenProject `%{attribute}` attribute
@@ -133,7 +133,7 @@ zh-TW:
       OpenProject requires read-only access through a system account to lookup users and groups in your LDAP tree.
       Please specify the bind credentials for that system user in the following section.
     ldap_details: 'LDAP 詳細資料'
-    user_settings: 'Attribute mapping'
+    user_settings: '屬性對應'
     user_settings_legend: |
       The following fields are related to how users are created in OpenProject from LDAP entries and
       what LDAP attributes are used to define the attributes of an OpenProject user (attribute mapping).
@@ -208,7 +208,7 @@ zh-TW:
       completed: "專案 %{name} 已完成刪除"
       completed_text: "刪除專案 \"%{name}\" 的請求已經完成。"
     index:
-      open_as_gantt: 'Open as Gantt view'
+      open_as_gantt: '以甘特圖打開'
       open_as_gantt_title: "Use this button to generate a Gantt view that filters work packages for the projects visible on this page."
       open_as_gantt_title_admin: "You can modify the view settings (such as selected work package types) in the administration under project settings."
       no_results_title_text: 目前沒有專案
@@ -396,7 +396,7 @@ zh-TW:
         attr_mail: "Email"
         base_dn: "Base DN"
         host: "主機"
-        onthefly: "Automatic user creation"
+        onthefly: "自動新增用戶"
         port: "埠"
       changeset:
         repository: "Repository"
@@ -454,12 +454,12 @@ zh-TW:
         code: '狀態'
         explanation: '狀態描述'
         codes:
-          not_started: 'Not started'
+          not_started: '未開始'
           on_track: '進度良好'
           at_risk: '存在風險'
           off_track: '進度脫軌'
-          finished: 'Finished'
-          discontinued: 'Discontinued'
+          finished: '已完成'
+          discontinued: '已中止'
       query:
         column_names: "欄"
         relations_to_type_column: "與 %{type} 的關連"
@@ -470,7 +470,6 @@ zh-TW:
       repository:
         url: "URL"
       role:
-        assignable: "可以將工作包分配給在相應專案中擁有此角色的使用者和群組"
         permissions: "權限"
       time_entry:
         activity: "活動"
@@ -556,7 +555,7 @@ zh-TW:
         error_enterprise_only: "is only available in the OpenProject Enterprise Edition"
         error_unauthorized: "無法被存取。"
         error_readonly: "被嘗試寫入但是無法寫入。"
-        email: "is not a valid email address."
+        email: "不是一個有效的電子郵件地址。 "
         empty: "不可為空"
         even: "必須是偶數"
         exclusion: "已保留"
@@ -574,8 +573,8 @@ zh-TW:
         invalid_url_scheme: '不是受支援的協定 (允許的協定: %{allowed_schemes})。'
         less_than_or_equal_to: "必須少於或者等於 %{count}。"
         not_available: "由於系統配置所以不可用"
-        not_deletable: "cannot be deleted."
-        not_current_user: "is not the current user."
+        not_deletable: "無法刪除"
+        not_current_user: "不是當前用戶。"
         not_a_date: "不是有效的日期。"
         not_a_datetime: "不是有效的日期時間。"
         not_a_number: "不是數字"
@@ -600,7 +599,7 @@ zh-TW:
         attachment:
           attributes:
             content_type:
-              blank: "The content type of the file cannot be blank."
+              blank: "文件的內容類型不能為空。"
               not_whitelisted: "The file was rejected by an automatic filter. '%{value}' is not whitelisted for upload."
               format: "%{message}"
         capability:
@@ -887,6 +886,7 @@ zh-TW:
     version: "版本"
     work_package: "工作項目"
   backup:
+    failed: "Backup failed"
     label_backup_token: "Backup token"
     label_create_token: "Create backup token"
     label_delete_token: "Delete backup token"
@@ -1410,7 +1410,7 @@ zh-TW:
   label_available_project_versions: '可用的版本'
   label_available_project_repositories: '可用的版本庫'
   label_api_documentation: "API文件"
-  label_backup: "Backup"
+  label_backup: "備份"
   label_between: "介於"
   label_blocked_by: "標示禁止者"
   label_blocks: "區塊"
@@ -1423,7 +1423,7 @@ zh-TW:
   label_branch: "分支"
   label_browse: "瀏覽"
   label_bulk_edit_selected_work_packages: "整批編輯選取的工作項目"
-  label_bundled: '(Bundled)'
+  label_bundled: '(已附帶)'
   label_calendar: "行事曆"
   label_calendar_show: "顯示行事曆"
   label_category: "類別"
@@ -1476,7 +1476,7 @@ zh-TW:
   label_custom_field_plural: "自訂欄位"
   label_custom_field_default_type: "空類型"
   label_custom_style: "設計"
-  label_database_version: "PostgreSQL version"
+  label_database_version: "PostgreSQL 版本"
   label_date: "日期"
   label_date_and_time: "日期和時間"
   label_date_from: "寄件者"
@@ -1954,7 +1954,7 @@ zh-TW:
       reason:
         watched: '監看'
         assigned: '指派'
-        responsible: '可信賴的'
+        responsible: '負責人'
         mentioned: '提醒'
         subscribed: '所有'
         prefix: '因為通知設定而收到：%{reason}'
@@ -2180,6 +2180,8 @@ zh-TW:
   permission_view_timelines: "檢視時間軸"
   permission_view_wiki_edits: "檢視維基歷史"
   permission_view_wiki_pages: "檢視維基"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "可以將工作包分配給在相應專案中擁有此角色的使用者和群組"
   placeholders:
     default: "-"
   project:
@@ -2327,7 +2329,7 @@ zh-TW:
     activated: 'activated'
     deactivated: 'deactivated'
   search_input_placeholder: "搜尋 ..."
-  setting_apiv3_cors_enabled: "Enable CORS"
+  setting_apiv3_cors_enabled: "啟用 CORS"
   setting_apiv3_cors_origins: "API V3 Cross-Origin Resource Sharing (CORS) allowed origins"
   setting_apiv3_cors_origins_text_html: >
     If CORS is enabled, these are the origins that are allowed to access OpenProject API. <br/> Please check the <a href="%{origin_link}" target="_blank">Documentation on the Origin header</a> on how to specify the expected values.
diff --git a/config/locales/en.seeders.standard.yml b/config/locales/en.seeders.standard.yml
index 6ec584bde7..bf75fbc34d 100644
--- a/config/locales/en.seeders.standard.yml
+++ b/config/locales/en.seeders.standard.yml
@@ -57,6 +57,7 @@ en:
               - news
               - wiki
               - board_view
+              - team_planner_view
             news:
               - title: Welcome to your demo project
                 summary: >
@@ -75,6 +76,7 @@ en:
                 timeline: true
                 sort_by: id
                 hierarchy: true
+                starred: true
                 columns:
                   - id
                   - type
@@ -105,6 +107,9 @@ en:
                   - priority
                   - status
                   - assigned_to
+              - name: Team planner
+                module: team_planner
+                assignee: OpenProject Admin
             boards:
               kanban:
                 name: 'Kanban board'
@@ -114,50 +119,74 @@ en:
                 name: 'Basic board'
               parent_child:
                 name: 'Work breakdown structure'
+            # For all dates, the reference is the monday of the current week
+            # So
+            # * start: 0 references Monday
+            # * start: 4 references Friday
+            # * start: -1 references the last Sunday
             work_packages:
-              - start: 4
+              - start: -1
                 subject: Start of project
                 description:
                 status: default_status_closed
                 type: default_type_milestone
                 duration: 0
                 schedule_manually: false
-              - start: 5
+              - start: 0
                 subject: Organize open source conference
                 description:
                 status: default_status_in_progress
                 type: default_type_phase
                 children:
-                  - start: 5
+                  - start: 0
                     subject: Set date and location of conference
                     description: ''
                     status: default_status_in_progress
                     type: default_type_task
-                    duration: 16
+                    children:
+                      - start: 0
+                        subject: Send invitation to speakers
+                        description: ''
+                        status: default_status_in_progress
+                        type: default_type_task
+                        duration: 1
+                      - start: 0
+                        subject: Contact sponsoring partners
+                        description: ''
+                        status: default_status_new
+                        type: default_type_task
+                        duration: 2
+                      - start: 0
+                        subject: Create sponsorship brochure and hand-outs
+                        description: ''
+                        status: default_status_new
+                        type: default_type_task
+                        duration: 4
+                    duration: 4
                     schedule_manually: false
-                  - start: 22
-                    subject: Setup conference website
+                  - start: 4
+                    subject: Invite attendees to conference
                     description: ''
                     status: default_status_new
                     type: default_type_task
-                    duration: 35
+                    duration: 1
                     relations:
                       - to: Set date and location of conference
                         type: follows
-                    :schedule_manually: false
-                  - start: 22
-                    subject: Invite attendees to conference
+                    schedule_manually: false
+                  - start: 4
+                    subject: Setup conference website
                     description: ''
                     status: default_status_new
                     type: default_type_task
-                    duration: 16
+                    duration: 11
                     relations:
                       - to: Set date and location of conference
                         type: follows
                     schedule_manually: false
-                duration: 70
+                duration: 15
                 schedule_manually: true
-              - start: 76
+              - start: 15
                 subject: Conference
                 description:
                 status: default_status_scheduled
@@ -167,20 +196,20 @@ en:
                   - to: Organize open source conference
                     type: follows
                 schedule_manually: false
-              - start: 77
+              - start: 21
                 subject: Follow-up tasks
                 description:
                 status: default_status_to_be_scheduled
                 type: default_type_phase
                 children:
-                  - start: 77
+                  - start: 21
                     subject: Upload presentations to website
                     description: ''
                     status: default_status_new
                     type: default_type_task
-                    duration: 16
+                    duration: 10
                     schedule_manually: false
-                  - start: 77
+                  - start: 31
                     subject: Party for conference supporters :-)
                     description: |-
                       *   [ ] Beer
@@ -189,11 +218,11 @@ en:
                       *   [ ] Even more beer
                     status: default_status_new
                     type: default_type_task
-                    duration: 0
+                    duration: 1
                     schedule_manually: false
-                duration: 16
+                duration: 11
                 schedule_manually: false
-              - start: 94
+              - start: 32
                 subject: End of project
                 description:
                 status: default_status_new
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 02785db3ba..0ddb85162c 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -529,7 +529,6 @@ en:
       repository:
         url: "URL"
       role:
-        assignable: "Work packages can be assigned to users and groups in possession of this role in the respective project"
         permissions: "Permissions"
       time_entry:
         activity: "Activity"
@@ -2288,6 +2287,8 @@ en:
   permission_view_timelines: "View timelines"
   permission_view_wiki_edits: "View wiki history"
   permission_view_wiki_pages: "View wiki"
+  permission_work_package_assigned: "Become assignee/responsible"
+  permission_work_package_assigned_explanation: "Work packages can be assigned to users and groups in possession of this role in the respective project"
 
   placeholders:
     default: "-"
diff --git a/config/locales/js-en.yml b/config/locales/js-en.yml
index d8ea90acd5..cac0a762ba 100644
--- a/config/locales/js-en.yml
+++ b/config/locales/js-en.yml
@@ -31,6 +31,7 @@ en:
     ajax:
       hide: "Hide"
       loading: "Loading ..."
+      updating: "Updating ..."
 
     attachments:
       draggable_hint: |
@@ -498,7 +499,7 @@ en:
     label_global_queries: "Public views"
     label_custom_queries: "Private views"
     label_columns: "Columns"
-    label_attachments: Files
+    label_attachments: Attachments
     label_drop_files: Drop files here
     label_drop_files_hint: or click to add files
     label_drop_folders_hint: You cannot upload folders as an attachment. Please select single files.
@@ -544,7 +545,8 @@ en:
           task_board: "The task board visualizes the <b>progress for this sprint</b>. Click on the plus (+) icon next to a user story to add new tasks or impediments. <br> The status can be updated by drag and drop."
         boards:
           overview: 'Select <b>boards</b> to shift the view and manage your project using the agile boards view.'
-          lists: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_kanban: 'Here you can create multiple lists (columns) within your board. This feature allows you to create a <b>Kanban board</b>, for example.'
+          lists_basic: 'Here you can create multiple lists (columns) within your agile board.'
           add: 'Click on the plus (+) icon to <b>create a new card</b> or <b>add an existing card</b> to the list on the board.'
           drag: 'Drag and drop your cards within a given list to reorder them, or to move them to another list. <br> You can click the info (i) icon in the upper right-hand corner or double-click a card to open its details.'
         wp:
@@ -555,6 +557,12 @@ en:
           create_button: 'The <b>+ Create</b> button will add a new work package to your project.'
           timeline_button: 'You can activate the <b>Gantt chart</b> view to create a timeline for your project.'
           timeline: 'Here you can <b>edit your project plan</b>, create new work packages, such as tasks, milestones, phases, and more, as well as <b>add dependencies</b>. All team members can see and update the latest plan at any time.'
+        team_planner:
+          overview: 'The team planner lets you visually assign tasks to team members and get an overview of who is working on what.'
+          calendar: 'The weekly or biweekly planning board displays all work packages assigned to your team members.'
+          add_assignee: 'To get started, add assignees to the team planner.'
+          add_existing: 'Search for existing work packages and drag them to the team planner to instantly assign them to a team member and define start and end dates.'
+          card: 'Drag work packages horizontally to move them backwards or forwards in time, drag the edges to change start and end dates and even drag them vertically to a different row to assign them to another member.'
 
     notifications:
       title: "Notifications"
@@ -1064,7 +1072,7 @@ en:
         activity: Activity
         relations: Relations
         watchers: Watchers
-        attachments: Attachments
+        files: Files
       time_relative:
         days: "days"
         weeks: "weeks"
@@ -1266,3 +1274,9 @@ en:
       load_error_message: 'There was an error loading the form'
       validation_error_message: 'Please fix the errors present in the form'
       advanced_settings: 'Advanced settings'
+
+    spot:
+      filter_chip:
+        remove: 'Remove'
+      drop_modal:
+        Close: 'Close'
diff --git a/config/routes.rb b/config/routes.rb
index decb9e6dd3..350a1582e4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -581,9 +579,7 @@ OpenProject::Application.routes.draw do
     get '(/*state)', to: 'angular#notifications_layout', as: :notifications_center
   end
 
-  # Development route for styleguide
-  if Rails.env.development?
-    get '/spot-docs', to: 'angular#empty_layout'
-    get '/styleguide' => redirect('/assets/styleguide.html')
-  end
+  # Routes for design related documentation and examples pages
+  get '/design/spot', to: 'angular#empty_layout'
+  get '/design/styleguide' => redirect('/assets/styleguide.html')
 end
diff --git a/config/secrets.yml b/config/secrets.yml
index 46354b769b..2814a2f943 100644
--- a/config/secrets.yml
+++ b/config/secrets.yml
@@ -1,4 +1,3 @@
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/config/settings.yml b/config/settings.yml
index 8af73f083d..021a5e6f87 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -350,6 +350,10 @@ demo_projects_available:
   default: false
 boards_demo_data_available:
   default: false
+demo_view_of_type_work_packages_table_seeded:
+  default: false
+demo_view_of_type_team_planner_seeded:
+  default: false
 security_badge_displayed:
   default: true
 installation_uuid:
diff --git a/db/migrate/10000000000000_to_v710_aggregated_migrations.rb b/db/migrate/10000000000000_to_v710_aggregated_migrations.rb
index be414cc980..7c2841e8f4 100644
--- a/db/migrate/10000000000000_to_v710_aggregated_migrations.rb
+++ b/db/migrate/10000000000000_to_v710_aggregated_migrations.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20171129145631_add_fulltext_to_attachments.rb b/db/migrate/20171129145631_add_fulltext_to_attachments.rb
index 1533db3ae8..fd86a3a7df 100644
--- a/db/migrate/20171129145631_add_fulltext_to_attachments.rb
+++ b/db/migrate/20171129145631_add_fulltext_to_attachments.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20180116065518_add_hierarchy_paths.rb b/db/migrate/20180116065518_add_hierarchy_paths.rb
index 80865c3acc..6c99401f38 100644
--- a/db/migrate/20180116065518_add_hierarchy_paths.rb
+++ b/db/migrate/20180116065518_add_hierarchy_paths.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20180117065255_remove_timelines_and_reportings.rb b/db/migrate/20180117065255_remove_timelines_and_reportings.rb
index 18454d6b0c..df7295866e 100644
--- a/db/migrate/20180117065255_remove_timelines_and_reportings.rb
+++ b/db/migrate/20180117065255_remove_timelines_and_reportings.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20180122135443_add_tsv_columns_to_attachments.rb b/db/migrate/20180122135443_add_tsv_columns_to_attachments.rb
index 96be87b2df..b0e7a6ac31 100644
--- a/db/migrate/20180122135443_add_tsv_columns_to_attachments.rb
+++ b/db/migrate/20180122135443_add_tsv_columns_to_attachments.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20180305130811_remove_wiki_content_versions.rb b/db/migrate/20180305130811_remove_wiki_content_versions.rb
index 7372826bad..9028e9406d 100644
--- a/db/migrate/20180305130811_remove_wiki_content_versions.rb
+++ b/db/migrate/20180305130811_remove_wiki_content_versions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20180524084654_remove_non_null_container_on_attachments.rb b/db/migrate/20180524084654_remove_non_null_container_on_attachments.rb
index 24cd1269de..3bd3078119 100644
--- a/db/migrate/20180524084654_remove_non_null_container_on_attachments.rb
+++ b/db/migrate/20180524084654_remove_non_null_container_on_attachments.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20201005120137_ensure_integer_for_relations_foreign_keys.rb b/db/migrate/20201005120137_ensure_integer_for_relations_foreign_keys.rb
index b3d3fbf848..d92d4abe15 100644
--- a/db/migrate/20201005120137_ensure_integer_for_relations_foreign_keys.rb
+++ b/db/migrate/20201005120137_ensure_integer_for_relations_foreign_keys.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20201005184411_rename_timestamps.rb b/db/migrate/20201005184411_rename_timestamps.rb
index b9090bd746..4e136ddddc 100644
--- a/db/migrate/20201005184411_rename_timestamps.rb
+++ b/db/migrate/20201005184411_rename_timestamps.rb
@@ -36,6 +36,15 @@ class RenameTimestamps < ActiveRecord::Migration[6.0]
     rename_column table, old_column_name, new_column_name
 
     change_column_default table, new_column_name, from: nil, to: -> { 'CURRENT_TIMESTAMP' }
+
+    # Ensure we reset column information because otherwise,
+    # +updated_on+ will still be used.
+    begin
+      cls = table.to_s.singularize.classify.constantize
+      cls.reset_column_information
+    rescue StandardError => e
+      warn "Could not reset_column_information for table #{table}: #{e.message}"
+    end
   end
 
   def add_timestamp_column(table, column_name, from_column = nil)
diff --git a/db/migrate/20201125121949_remove_renamed_cron_job.rb b/db/migrate/20201125121949_remove_renamed_cron_job.rb
index 7d63d9ac38..c22979299e 100644
--- a/db/migrate/20201125121949_remove_renamed_cron_job.rb
+++ b/db/migrate/20201125121949_remove_renamed_cron_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20210427065703_make_system_user_admin.rb b/db/migrate/20210427065703_make_system_user_admin.rb
index d5c4573ab6..262b781861 100644
--- a/db/migrate/20210427065703_make_system_user_admin.rb
+++ b/db/migrate/20210427065703_make_system_user_admin.rb
@@ -1,9 +1,9 @@
 class MakeSystemUserAdmin < ActiveRecord::Migration[6.1]
   def up
-    User.system.update_attribute(:admin, true)
+    User.system.update_column(:admin, true)
   end
 
   def down
-    User.system.update_attribute(:admin, false)
+    User.system.update_column(:admin, false)
   end
 end
diff --git a/db/migrate/20211005080304_tzinfo_time_zones.rb b/db/migrate/20211005080304_tzinfo_time_zones.rb
index e318606642..a2d3eebda5 100644
--- a/db/migrate/20211005080304_tzinfo_time_zones.rb
+++ b/db/migrate/20211005080304_tzinfo_time_zones.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/20220223095355_projects_lft_rgt_index.rb b/db/migrate/20220223095355_projects_lft_rgt_index.rb
new file mode 100644
index 0000000000..4e28f8a224
--- /dev/null
+++ b/db/migrate/20220223095355_projects_lft_rgt_index.rb
@@ -0,0 +1,5 @@
+class ProjectsLftRgtIndex < ActiveRecord::Migration[6.1]
+  def change
+    add_index :projects, %i[lft rgt]
+  end
+end
diff --git a/db/migrate/20220302123642_assignable_to_permission.rb b/db/migrate/20220302123642_assignable_to_permission.rb
new file mode 100644
index 0000000000..a9116b178f
--- /dev/null
+++ b/db/migrate/20220302123642_assignable_to_permission.rb
@@ -0,0 +1,30 @@
+class AssignableToPermission < ActiveRecord::Migration[6.1]
+  def up
+    # Because of a missing dependent: :destroy, some role_permission
+    # for removed roles exist.
+    execute <<~SQL.squish
+      DELETE FROM role_permissions WHERE role_id IS NULL
+    SQL
+
+    execute <<~SQL.squish
+      INSERT INTO role_permissions (role_id, permission, created_at, updated_at)
+      SELECT id role_id, 'work_package_assigned' permission, NOW() created_at, NOW() updated_at FROM roles
+      WHERE assignable AND type = 'Role' AND builtin = 0
+    SQL
+
+    remove_column :roles, :assignable
+  end
+
+  def down
+    add_column :roles, :assignable, :boolean, default: true
+
+    execute <<~SQL.squish
+      UPDATE roles
+      SET assignable = EXISTS(SELECT 1 from role_permissions WHERE permission = 'work_package_assigned' and role_id = roles.id)
+    SQL
+
+    execute <<~SQL.squish
+      DELETE FROM role_permissions where permission = 'work_package_assigned'
+    SQL
+  end
+end
diff --git a/db/migrate/aggregated/base.rb b/db/migrate/aggregated/base.rb
index 627041edf0..7b70d8255b 100644
--- a/db/migrate/aggregated/base.rb
+++ b/db/migrate/aggregated/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/aggregated/to_3_0.rb b/db/migrate/aggregated/to_3_0.rb
index 00b7e9c2e7..dc574afd3d 100644
--- a/db/migrate/aggregated/to_3_0.rb
+++ b/db/migrate/aggregated/to_3_0.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/aggregated/to_7_1.rb b/db/migrate/aggregated/to_7_1.rb
index 1fd9a8b1c3..6c82902d2f 100644
--- a/db/migrate/aggregated/to_7_1.rb
+++ b/db/migrate/aggregated/to_7_1.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/migration_utils/migration_squasher.rb b/db/migrate/migration_utils/migration_squasher.rb
index 9ce13db56a..f4d66f3119 100644
--- a/db/migrate/migration_utils/migration_squasher.rb
+++ b/db/migrate/migration_utils/migration_squasher.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/migration_utils/module_renamer.rb b/db/migrate/migration_utils/module_renamer.rb
index 1ce390b5d7..07e6298fc4 100644
--- a/db/migrate/migration_utils/module_renamer.rb
+++ b/db/migrate/migration_utils/module_renamer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/migration_utils/permission_adder.rb b/db/migrate/migration_utils/permission_adder.rb
index eef4ce1bf2..858302e9d2 100644
--- a/db/migrate/migration_utils/permission_adder.rb
+++ b/db/migrate/migration_utils/permission_adder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/migration_utils/setting_renamer.rb b/db/migrate/migration_utils/setting_renamer.rb
index ab801facf1..6fc3c96832 100644
--- a/db/migrate/migration_utils/setting_renamer.rb
+++ b/db/migrate/migration_utils/setting_renamer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/migration_utils/utils.rb b/db/migrate/migration_utils/utils.rb
index 07eb3e5997..45a8ede46b 100644
--- a/db/migrate/migration_utils/utils.rb
+++ b/db/migrate/migration_utils/utils.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/announcements.rb b/db/migrate/tables/announcements.rb
index 4f7be4e728..f311b6ea6e 100644
--- a/db/migrate/tables/announcements.rb
+++ b/db/migrate/tables/announcements.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/attachable_journals.rb b/db/migrate/tables/attachable_journals.rb
index bd97418673..4b2e3634c6 100644
--- a/db/migrate/tables/attachable_journals.rb
+++ b/db/migrate/tables/attachable_journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/attachment_journals.rb b/db/migrate/tables/attachment_journals.rb
index cd11d9e463..afe6a70457 100644
--- a/db/migrate/tables/attachment_journals.rb
+++ b/db/migrate/tables/attachment_journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/attachments.rb b/db/migrate/tables/attachments.rb
index 2f9ce8a7ed..7a3eb22d9a 100644
--- a/db/migrate/tables/attachments.rb
+++ b/db/migrate/tables/attachments.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/auth_sources.rb b/db/migrate/tables/auth_sources.rb
index 1645fb5de4..406b3b1df2 100644
--- a/db/migrate/tables/auth_sources.rb
+++ b/db/migrate/tables/auth_sources.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/base.rb b/db/migrate/tables/base.rb
index 775bba551f..31b0a2318e 100644
--- a/db/migrate/tables/base.rb
+++ b/db/migrate/tables/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/boards.rb b/db/migrate/tables/boards.rb
index cff377c03e..fc7adb423d 100644
--- a/db/migrate/tables/boards.rb
+++ b/db/migrate/tables/boards.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/changes.rb b/db/migrate/tables/changes.rb
index 2e2b00557d..7d3a3f287f 100644
--- a/db/migrate/tables/changes.rb
+++ b/db/migrate/tables/changes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/changeset_journals.rb b/db/migrate/tables/changeset_journals.rb
index 77c6dc9a39..08ddc25d43 100644
--- a/db/migrate/tables/changeset_journals.rb
+++ b/db/migrate/tables/changeset_journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/changesets.rb b/db/migrate/tables/changesets.rb
index b7651d8510..6db5bbf59e 100644
--- a/db/migrate/tables/changesets.rb
+++ b/db/migrate/tables/changesets.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/changesets_work_packages.rb b/db/migrate/tables/changesets_work_packages.rb
index eced8d960a..46988f579d 100644
--- a/db/migrate/tables/changesets_work_packages.rb
+++ b/db/migrate/tables/changesets_work_packages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/comments.rb b/db/migrate/tables/comments.rb
index 92aa8f22ea..beba629f45 100644
--- a/db/migrate/tables/comments.rb
+++ b/db/migrate/tables/comments.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/custom_fields.rb b/db/migrate/tables/custom_fields.rb
index 65cc279d0a..b5dcf3c46f 100644
--- a/db/migrate/tables/custom_fields.rb
+++ b/db/migrate/tables/custom_fields.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/custom_fields_projects.rb b/db/migrate/tables/custom_fields_projects.rb
index e3609290e3..53c5b31562 100644
--- a/db/migrate/tables/custom_fields_projects.rb
+++ b/db/migrate/tables/custom_fields_projects.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/custom_fields_types.rb b/db/migrate/tables/custom_fields_types.rb
index 0d55166aff..c890fa9deb 100644
--- a/db/migrate/tables/custom_fields_types.rb
+++ b/db/migrate/tables/custom_fields_types.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/custom_options.rb b/db/migrate/tables/custom_options.rb
index d5f484abd3..85a43e307a 100644
--- a/db/migrate/tables/custom_options.rb
+++ b/db/migrate/tables/custom_options.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/custom_values.rb b/db/migrate/tables/custom_values.rb
index b4153dd47a..e5a6b3afad 100644
--- a/db/migrate/tables/custom_values.rb
+++ b/db/migrate/tables/custom_values.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/customizable_journals_table.rb b/db/migrate/tables/customizable_journals_table.rb
index 79a068f727..153baf8b17 100644
--- a/db/migrate/tables/customizable_journals_table.rb
+++ b/db/migrate/tables/customizable_journals_table.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/enabled_modules.rb b/db/migrate/tables/enabled_modules.rb
index 3d7a47dd30..9f5368dc48 100644
--- a/db/migrate/tables/enabled_modules.rb
+++ b/db/migrate/tables/enabled_modules.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/enumerations.rb b/db/migrate/tables/enumerations.rb
index d6a4adb1bb..d2df255247 100644
--- a/db/migrate/tables/enumerations.rb
+++ b/db/migrate/tables/enumerations.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/forums.rb b/db/migrate/tables/forums.rb
index 922341f795..059809e6de 100644
--- a/db/migrate/tables/forums.rb
+++ b/db/migrate/tables/forums.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/group_users.rb b/db/migrate/tables/group_users.rb
index 8eb6e1b970..371ee419ac 100644
--- a/db/migrate/tables/group_users.rb
+++ b/db/migrate/tables/group_users.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/journals.rb b/db/migrate/tables/journals.rb
index 3fe88f4698..22ec5fd28d 100644
--- a/db/migrate/tables/journals.rb
+++ b/db/migrate/tables/journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/message_journals.rb b/db/migrate/tables/message_journals.rb
index ba3f473765..9c5ef7b4b2 100644
--- a/db/migrate/tables/message_journals.rb
+++ b/db/migrate/tables/message_journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/messages.rb b/db/migrate/tables/messages.rb
index 50d6d1f90f..87a82ad06e 100644
--- a/db/migrate/tables/messages.rb
+++ b/db/migrate/tables/messages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/news_journals.rb b/db/migrate/tables/news_journals.rb
index 57b25688a2..8d133e6282 100644
--- a/db/migrate/tables/news_journals.rb
+++ b/db/migrate/tables/news_journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/sessions.rb b/db/migrate/tables/sessions.rb
index 114e40e5cc..899d51e26f 100644
--- a/db/migrate/tables/sessions.rb
+++ b/db/migrate/tables/sessions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/time_entries.rb b/db/migrate/tables/time_entries.rb
index 704a6fec11..08355326f7 100644
--- a/db/migrate/tables/time_entries.rb
+++ b/db/migrate/tables/time_entries.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/time_entry_journals.rb b/db/migrate/tables/time_entry_journals.rb
index 268deaefa7..a3f9cac5b9 100644
--- a/db/migrate/tables/time_entry_journals.rb
+++ b/db/migrate/tables/time_entry_journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/users.rb b/db/migrate/tables/users.rb
index c9c6463b04..a0b530ea60 100644
--- a/db/migrate/tables/users.rb
+++ b/db/migrate/tables/users.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/wiki_content_journals.rb b/db/migrate/tables/wiki_content_journals.rb
index a3db33a4a4..611a280bb9 100644
--- a/db/migrate/tables/wiki_content_journals.rb
+++ b/db/migrate/tables/wiki_content_journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/work_package_journals.rb b/db/migrate/tables/work_package_journals.rb
index 4e0ff7f3cf..50f48b80f3 100644
--- a/db/migrate/tables/work_package_journals.rb
+++ b/db/migrate/tables/work_package_journals.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/migrate/tables/work_packages.rb b/db/migrate/tables/work_packages.rb
index c3f80e406b..8c92ab3155 100644
--- a/db/migrate/tables/work_packages.rb
+++ b/db/migrate/tables/work_packages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/db/seeds.rb b/db/seeds.rb
index 2b2dfe03db..f522be8d1e 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/docker-compose.yml b/docker-compose.yml
index 5200b4dd02..e022796664 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -90,7 +90,7 @@ services:
       - backend
 
   db:
-    image: postgres:10
+    image: postgres:13
     <<: *restart_policy
     stop_grace_period: "3s"
     volumes:
@@ -111,7 +111,7 @@ services:
 ######### Testing stuff below ############
 
   db-test:
-    image: postgres:10
+    image: postgres:13
     stop_grace_period: "3s"
     volumes:
       - "pgdata-test:/var/lib/postgresql/data"
diff --git a/docker/prod/setup/preinstall-common.sh b/docker/prod/setup/preinstall-common.sh
index 4ac2a778df..2bc3574896 100755
--- a/docker/prod/setup/preinstall-common.sh
+++ b/docker/prod/setup/preinstall-common.sh
@@ -1,10 +1,26 @@
 #!/bin/bash
 
+get_architecture() {	
+	if command -v uname > /dev/null; then
+		ARCHITECTURE=$(uname -m)
+		case $ARCHITECTURE in
+			aarch64|arm64)
+				echo "arm64"				
+				return 0
+				;;
+		esac
+	fi
+
+	echo "x64"
+	return 0
+}
+
 set -e
 set -o pipefail
+ARCHITECTURE=$(get_architecture)
 
 # install node + npm
-curl -s https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-x64.tar.gz | tar xzf - -C /usr/local --strip-components=1
+curl -s https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-${ARCHITECTURE}.tar.gz | tar xzf - -C /usr/local --strip-components=1
 
 wget --quiet -O- https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
 echo "deb http://apt.postgresql.org/pub/repos/apt buster-pgdg main" > /etc/apt/sources.list.d/pgdg.list
@@ -28,10 +44,9 @@ service postgresql stop
 rm -rf /var/lib/postgresql/{9.6,13}
 
 # Specifics for BIM edition
-wget -qO- https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
-wget -q https://packages.microsoft.com/config/debian/9/prod.list -O /etc/apt/sources.list.d/microsoft-prod.list
-apt-get update -qq
-apt-get install -y dotnet-runtime-3.1
+curl 'https://dotnet.microsoft.com/download/dotnet/scripts/v1/dotnet-install.sh' -o ./dotnet-install.sh
+chmod +x dotnet-install.sh
+./dotnet-install.sh -c 3.1
 
 tmpdir=$(mktemp -d)
 cd $tmpdir
diff --git a/docs/api/apiv3/components/schemas/attachments_model.yml b/docs/api/apiv3/components/schemas/attachments_model.yml
new file mode 100644
index 0000000000..46b630d5d0
--- /dev/null
+++ b/docs/api/apiv3/components/schemas/attachments_model.yml
@@ -0,0 +1,32 @@
+# Schema: Attachments
+---
+allOf:
+  - "$ref": "./collection_model.yml"
+  - type: object
+    required:
+      - _links
+      - _embedded
+    properties:
+      _links:
+        type: object
+        required:
+          - self
+        properties:
+          self:
+            allOf:
+              - "$ref": "./link.yml"
+              - description: |-
+                  The attachments collection
+                  
+                  **Resource**: AttachmentsCollection
+                readOnly: true
+      _embedded:
+        type: object
+        properties:
+          elements:
+            type: array
+            readOnly: true
+            items:
+                allOf:
+                - "$ref": "./attachment_model.yml"
+                - description: Collection of Attachments
diff --git a/docs/api/apiv3/components/schemas/custom_object_model.yml b/docs/api/apiv3/components/schemas/custom_option_model.yml
similarity index 62%
rename from docs/api/apiv3/components/schemas/custom_object_model.yml
rename to docs/api/apiv3/components/schemas/custom_option_model.yml
index ef321fcde6..f8ad077559 100644
--- a/docs/api/apiv3/components/schemas/custom_object_model.yml
+++ b/docs/api/apiv3/components/schemas/custom_option_model.yml
@@ -1,4 +1,4 @@
-# Schema: Custom_ObjectModel
+# Schema: Custom_OptionModel
 ---
 type: object
 properties:
@@ -8,7 +8,7 @@ properties:
     readOnly: true
   value:
     type: string
-    description: The value defined for this custom object
+    description: The value defined for this custom option
     readOnly: true
   _links:
     type: object
@@ -19,13 +19,13 @@ properties:
         allOf:
         - "$ref": "./link.yml"
         - description: |-
-            This custom object
+            This custom option.
 
-            **Resource**: CustomObject
+            **Resource**: CustomOption
           readOnly: true
 example:
   _links:
     self:
-      href: "/api/v3/custom_objects/1"
-  _type: CustomObject
+      href: "/api/v3/custom_options/1"
+  _type: CustomOption
   value: Foo
diff --git a/docs/api/apiv3/components/schemas/file_link_read_model.yml b/docs/api/apiv3/components/schemas/file_link_read_model.yml
index 26e804aa50..f14ea33f8a 100644
--- a/docs/api/apiv3/components/schemas/file_link_read_model.yml
+++ b/docs/api/apiv3/components/schemas/file_link_read_model.yml
@@ -33,8 +33,7 @@ properties:
       storage:
         $ref: './storage_model.yml'
       container:
-        oneOf:
-          - $ref: './work_package_model.yml'
+        $ref: './work_package_model.yml'
   _links:
     type: object
     required:
diff --git a/docs/api/apiv3/components/schemas/watchers_model.yml b/docs/api/apiv3/components/schemas/watchers_model.yml
index 0438905e77..f3f4759788 100644
--- a/docs/api/apiv3/components/schemas/watchers_model.yml
+++ b/docs/api/apiv3/components/schemas/watchers_model.yml
@@ -1,6 +1,35 @@
 # Schema: WatchersModel
 ---
-type: object
+allOf:
+  - "$ref": "./collection_model.yml"
+  - type: object
+    required:
+      - _links
+      - _embedded
+    properties:
+      _links:
+        type: object
+        required:
+        - self
+        properties:
+          self:
+            allOf:
+            - "$ref": "./link.yml"
+            - description: |-
+                The watcher list
+                
+                **Resource**: WatchersModel
+              readOnly: true
+      _embedded:
+        type: object
+        properties:
+          elements:
+            type: array
+            readOnly: true
+            items:
+              allOf:
+              - "$ref": "./user_model.yml"
+              - description: Collection of Users
 example:
   _links:
     self:
diff --git a/docs/api/apiv3/components/schemas/work_packages_by_project_model.yml b/docs/api/apiv3/components/schemas/work_packages_by_project_model.yml
deleted file mode 100644
index fff3f0dc11..0000000000
--- a/docs/api/apiv3/components/schemas/work_packages_by_project_model.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-# Schema: Work_Packages_by_ProjectModel
----
-type: object
-example:
-  _links:
-    self:
-      href: "/api/v3/projects/14/work_packages"
-  total: 2
-  count: 2
-  _type: Collection
-  _embedded:
-    elements:
-    - _type: WorkPackage
-      _links:
-        self:
-          href: "/api/v3/work_packages/1"
-      id: 1
-      subject: Skipped other properties for brevity
-    - _type: WorkPackage
-      _links:
-        self:
-          href: "/api/v3/work_packages/2"
-      id: 2
-      subject: Skipped other properties for brevity
diff --git a/docs/api/apiv3/openapi-spec.yml b/docs/api/apiv3/openapi-spec.yml
index 4bae713108..6ac80e9e30 100644
--- a/docs/api/apiv3/openapi-spec.yml
+++ b/docs/api/apiv3/openapi-spec.yml
@@ -170,8 +170,8 @@ paths:
     "$ref": "./paths/custom_action.yml"
   "/api/v3/custom_actions/{id}/execute":
     "$ref": "./paths/custom_action_execute.yml"
-  "/api/v3/custom_objects/{id}":
-    "$ref": "./paths/custom_object.yml"
+  "/api/v3/custom_options/{id}":
+    "$ref": "./paths/custom_option.yml"
   "/api/v3/documents":
     "$ref": "./paths/documents.yml"
   "/api/v3/documents/{id}":
@@ -433,18 +433,8 @@ components:
       "$ref": "./components/schemas/activity_model.yml"
     AttachmentModel:
       "$ref": "./components/schemas/attachment_model.yml"
-    Attachments_by_post:
-      "$ref": "./components/schemas/attachments_by_post.yml"
-    Attachments_by_postModel:
-      "$ref": "./components/schemas/attachments_by_post_model.yml"
-    Attachments_by_wiki_page:
-      "$ref": "./components/schemas/attachments_by_wiki_page.yml"
-    Attachments_by_wiki_pageModel:
-      "$ref": "./components/schemas/attachments_by_wiki_page_model.yml"
-    Attachments_by_work_package:
-      "$ref": "./components/schemas/attachments_by_work_package.yml"
-    Attachments_by_work_packageModel:
-      "$ref": "./components/schemas/attachments_by_work_package_model.yml"
+    Attachments_Model:
+      "$ref": "./components/schemas/attachments_model.yml"
     Available_AssigneesModel:
       "$ref": "./components/schemas/available_assignees_model.yml"
     Available_ResponsiblesModel:
@@ -491,8 +481,8 @@ components:
       "$ref": "./components/schemas/cursor_based_pagination.yml"
     Custom_ActionModel:
       "$ref": "./components/schemas/custom_action_model.yml"
-    Custom_ObjectModel:
-      "$ref": "./components/schemas/custom_object_model.yml"
+    Custom_OptionModel:
+      "$ref": "./components/schemas/custom_option_model.yml"
     CustomactionModel:
       "$ref": "./components/schemas/customaction_model.yml"
     Default_QueryModel:
@@ -763,8 +753,6 @@ components:
       "$ref": "./components/schemas/work_package_activities_model.yml"
     Work_PackagesModel:
       "$ref": "./components/schemas/work_packages_model.yml"
-    Work_Packages_by_ProjectModel:
-      "$ref": "./components/schemas/work_packages_by_project_model.yml"
   securitySchemes:
     BasicAuth:
       type: http
@@ -774,6 +762,7 @@ tags:
   - "$ref": "./tags/collections.yml"
   - "$ref": "./tags/filters.yml"
   - "$ref": "./tags/forms.yml"
+  - "$ref": "./tags/signaling.yml"
   - "$ref": "./tags/actions_and_capabilities.yml"
   - "$ref": "./tags/activities.yml"
   - "$ref": "./tags/attachments.yml"
@@ -781,7 +770,7 @@ tags:
   - "$ref": "./tags/categories.yml"
   - "$ref": "./tags/configuration.yml"
   - "$ref": "./tags/custom_actions.yml"
-  - "$ref": "./tags/custom_objects.yml"
+  - "$ref": "./tags/custom_options.yml"
   - "$ref": "./tags/documents.yml"
   - "$ref": "./tags/grids.yml"
   - "$ref": "./tags/groups.yml"
diff --git a/docs/api/apiv3/paths/custom_object.yml b/docs/api/apiv3/paths/custom_option.yml
similarity index 68%
rename from docs/api/apiv3/paths/custom_object.yml
rename to docs/api/apiv3/paths/custom_option.yml
index 7f96d475f9..2c346756e0 100644
--- a/docs/api/apiv3/paths/custom_object.yml
+++ b/docs/api/apiv3/paths/custom_option.yml
@@ -1,8 +1,8 @@
-# /api/v3/custom_objects/{id}
+# /api/v3/custom_options/{id}
 ---
 get:
   parameters:
-  - description: The custom object's identifier
+  - description: The custom option's identifier
     example: '1'
     in: path
     name: id
@@ -18,11 +18,11 @@ get:
               value:
                 _links:
                   self:
-                    href: "/api/v3/custom_objects/1"
-                _type: CustomObject
+                    href: "/api/v3/custom_options/1"
+                _type: CustomOption
                 value: Foo
           schema:
-            "$ref": "../components/schemas/custom_object_model.yml"
+            "$ref": "../components/schemas/custom_option_model.yml"
       description: OK
       headers: {}
     '404':
@@ -37,12 +37,12 @@ get:
                 errorIdentifier: urn:openproject-org:api:v3:errors:NotFound
                 message: The requested resource could not be found.
       description: |-
-        Returned if the custom object does not exist or the client does not have sufficient permissions to see it.
+        Returned if the custom option does not exist or the client does not have sufficient permissions to see it.
 
-        **Required permission:** view work package in any project the custom object's custom field is active in.
+        **Required permission:** view work package in any project the custom option's custom field is active in.
       headers: {}
   tags:
-  - Custom Objects
+  - Custom Options
   description: ''
-  operationId: View_Custom_Object
-  summary: View Custom Object
+  operationId: View_Custom_Option
+  summary: View Custom Option
diff --git a/docs/api/apiv3/paths/groups.yml b/docs/api/apiv3/paths/groups.yml
index ed1b87290c..780176085c 100644
--- a/docs/api/apiv3/paths/groups.yml
+++ b/docs/api/apiv3/paths/groups.yml
@@ -18,6 +18,14 @@ get:
     schema:
       default: '[["id", "asc"]]'
       type: string
+  - description: |-
+      Comma separated list of properties to include.
+    example: 'total,elements/name,elements/self,self'
+    in: query
+    name: select
+    required: false
+    schema:
+      type: string
   responses:
     '200':
       content:
diff --git a/docs/api/apiv3/paths/post_attachments.yml b/docs/api/apiv3/paths/post_attachments.yml
index 3ac949dab1..d77c447bcf 100644
--- a/docs/api/apiv3/paths/post_attachments.yml
+++ b/docs/api/apiv3/paths/post_attachments.yml
@@ -53,7 +53,7 @@ get:
                 count: 1
                 total: 1
           schema:
-            "$ref": "../components/schemas/attachments_by_post_model.yml"
+            "$ref": "../components/schemas/attachments_model.yml"
       description: OK
       headers: {}
     '404':
diff --git a/docs/api/apiv3/paths/principals.yml b/docs/api/apiv3/paths/principals.yml
index 10ba8bc3ce..593b4c9a22 100644
--- a/docs/api/apiv3/paths/principals.yml
+++ b/docs/api/apiv3/paths/principals.yml
@@ -22,6 +22,14 @@ get:
     required: false
     schema:
       type: string
+  - description: |-
+      Comma separated list of properties to include.
+    example: 'total,elements/name,elements/self,self'
+    in: query
+    name: select
+    required: false
+    schema:
+      type: string
   responses:
     '200':
       content:
diff --git a/docs/api/apiv3/paths/project_work_packages.yml b/docs/api/apiv3/paths/project_work_packages.yml
index c50067e8fd..fe03b6d620 100644
--- a/docs/api/apiv3/paths/project_work_packages.yml
+++ b/docs/api/apiv3/paths/project_work_packages.yml
@@ -60,6 +60,14 @@ get:
     schema:
       default: 'false'
       type: boolean
+  - description: |-
+      Comma separated list of properties to include.
+    example: 'total,elements/subject,elements/id,self'
+    in: query
+    name: select
+    required: false
+    schema:
+      type: string
   responses:
     '200':
       content:
@@ -88,7 +96,7 @@ get:
                 count: 2
                 total: 2
           schema:
-            "$ref": "../components/schemas/work_packages_by_project_model.yml"
+            "$ref": "../components/schemas/work_packages_model.yml"
       description: OK
       headers: {}
     '400':
diff --git a/docs/api/apiv3/paths/projects.yml b/docs/api/apiv3/paths/projects.yml
index ec90852f35..714494bd00 100644
--- a/docs/api/apiv3/paths/projects.yml
+++ b/docs/api/apiv3/paths/projects.yml
@@ -57,6 +57,14 @@ get:
     required: false
     schema:
       type: string
+  - description: |-
+      Comma separated list of properties to include.
+    example: 'total,elements/identifier,elements/name'
+    in: query
+    name: select
+    required: false
+    schema:
+      type: string
   responses:
     '200':
       content:
diff --git a/docs/api/apiv3/paths/users.yml b/docs/api/apiv3/paths/users.yml
index 3bbfdd6ec7..213fd33225 100644
--- a/docs/api/apiv3/paths/users.yml
+++ b/docs/api/apiv3/paths/users.yml
@@ -46,6 +46,14 @@ get:
     required: false
     schema:
       type: string
+  - description: |-
+      Comma separated list of properties to include.
+    example: 'total,elements/name,elements/self,self'
+    in: query
+    name: select
+    required: false
+    schema:
+      type: string
   responses:
     '200':
       content:
diff --git a/docs/api/apiv3/paths/wiki_page_attachments.yml b/docs/api/apiv3/paths/wiki_page_attachments.yml
index 46c6b2f49e..6d63d7ba64 100644
--- a/docs/api/apiv3/paths/wiki_page_attachments.yml
+++ b/docs/api/apiv3/paths/wiki_page_attachments.yml
@@ -53,7 +53,7 @@ get:
                 count: 1
                 total: 1
           schema:
-            "$ref": "../components/schemas/attachments_by_wiki_page_model.yml"
+            "$ref": "../components/schemas/attachments_model.yml"
       description: OK
       headers: {}
     '404':
diff --git a/docs/api/apiv3/paths/work_package_attachments.yml b/docs/api/apiv3/paths/work_package_attachments.yml
index 7bac2b2339..1cf9e38aa8 100644
--- a/docs/api/apiv3/paths/work_package_attachments.yml
+++ b/docs/api/apiv3/paths/work_package_attachments.yml
@@ -14,7 +14,7 @@ get:
       content:
         application/hal+json:
           schema:
-            "$ref": "../components/schemas/attachments_by_work_package_model.yml"
+            "$ref": "../components/schemas/attachments_model.yml"
       description: OK
       headers: {}
     '404':
diff --git a/docs/api/apiv3/paths/work_packages.yml b/docs/api/apiv3/paths/work_packages.yml
index 2317662641..be6b312366 100644
--- a/docs/api/apiv3/paths/work_packages.yml
+++ b/docs/api/apiv3/paths/work_packages.yml
@@ -111,6 +111,14 @@ get:
       schema:
         default: 'false'
         type: boolean
+    - description: |-
+        Comma separated list of properties to include.
+      example: 'total,elements/subject,elements/id,self'
+      in: query
+      name: select
+      required: false
+      schema:
+        type: string
   responses:
     '200':
       content:
diff --git a/docs/api/apiv3/tags/basic_objects.yml b/docs/api/apiv3/tags/basic_objects.yml
index c3309e206b..2ebfadd34d 100644
--- a/docs/api/apiv3/tags/basic_objects.yml
+++ b/docs/api/apiv3/tags/basic_objects.yml
@@ -147,6 +147,9 @@ description: |-
   * `urn:openproject-org:api:v3:errors:InvalidUserStatusTransition` (**HTTP 400**)  
   The client used an invalid transition in the attempt to change the status of a user account.
 
+  * `urn:openproject-org:api:v3:errors:InvalidSignal` (**HTTP 400**)
+  The client specified a select not available on the resource, e.g because the property/link does not exist on it.
+
   * `urn:openproject-org:api:v3:errors:Unauthenticated` (**HTTP 401**)  
   The client has to authenticate to access the requested resource.
 
diff --git a/docs/api/apiv3/tags/custom_objects.yml b/docs/api/apiv3/tags/custom_options.yml
similarity index 78%
rename from docs/api/apiv3/tags/custom_objects.yml
rename to docs/api/apiv3/tags/custom_options.yml
index 3c12391c5b..142fc19a16 100644
--- a/docs/api/apiv3/tags/custom_objects.yml
+++ b/docs/api/apiv3/tags/custom_options.yml
@@ -4,14 +4,14 @@ description: |-
 
   |  Link         | Description               | Type          | Constraints | Supported operations |
   |:-------------:|-------------------------- | ------------- | ----------- | -------------------- |
-  | self          | This custom object        | CustomObject  | not null    | READ                 |
+  | self          | This custom option        | CustomOption  | not null    | READ                 |
 
   ## Local Properties
 
   | Property         | Description                                    | Type     | Constraints | Supported operations |
   |:----------------:| ---------------------------------------------- | -------- | ----------- | -------------------- |
   | id               | The identifier                                 | Integer  |             | READ                 |
-  | value            | The value defined for this custom object       | String   |             | READ                 |
+  | value            | The value defined for this custom option       | String   |             | READ                 |
 
-  Custom objects are options of list custom fields.
-name: Custom Objects
+  custom options are options of list custom fields.
+name: Custom Options
diff --git a/docs/api/apiv3/tags/signaling.yml b/docs/api/apiv3/tags/signaling.yml
new file mode 100644
index 0000000000..dc2fbe5715
--- /dev/null
+++ b/docs/api/apiv3/tags/signaling.yml
@@ -0,0 +1,83 @@
+---
+description: |-
+  Some endpoints, especially those returning `Collection` resources, support signaling desired properties. By signaling, the client
+  can convey to the server the properties to include in a response.
+
+  Currently only `select` is supported which allows to specify the subset of properties a client is interested in. The benefit of using `select`
+  is reduced response time. Other signaling, especially expanding the embedded resources to include as well over multiple layers of embedding
+  are in consideration to be implemented (probably named `embed`) but as of now, they are not supported. Please also see
+  [the specification for OData that inspired this feature](https://www.odata.org/documentation/odata-version-2-0/uri-conventions/).
+
+  For example, a resource `/api/v3/bogus` that without signaling returns:
+
+  ```
+    {
+      "_type": "Collection"
+      "count": 20,
+      "total": 554,
+      "_embedded": {
+        "elements": [
+          {
+            "id": 1,
+            "name": "Some name"
+          },
+          {
+            "id": 9,
+            "name": "Another name"
+          }
+        ]
+      },
+      "_links": {
+        "self": {
+          "href": "/api/v3/bogus",
+          "title": "A bogus collection"
+        },
+        "bar": {
+          "href": "/api/v3/bar",
+          "title": "Foobar"
+        }
+      }
+    }
+  ```
+
+  can via signaling `/api/v3/bogus?select=total,elements/name,bar` be instructed to return:
+
+  ```
+    {
+      "total": 554,
+      "_embedded": {
+        "elements": [
+          {
+            "name": "Some name"
+          },
+          {
+            "name": "Another name"
+          }
+        ]
+      },
+      "_links": {
+        "bar": {
+          "href": "/api/v3/bar",
+          "title": "Foobar"
+        }
+      }
+    }
+  ```
+
+  The `select` query property is a comma separated list of the properties to include, e.g. `select=total,elements/name,bar`.
+  The API also accepts alternative styles of writing like `select=["total","elements/name","bar"]`. Each individual item in the list
+  is the path inside the resource. So while `total` refers to the property on the top level, `elements/name` refers to the property `name` within
+  the collection of `elements`. The full path has to be provided for every property, e.g. `select=elements/name,elements/id`.
+  The order of the list has no impact on the selection. There is also a wildcard `*` which will result in every property on that level to be selected.
+  To select every property in the example above, the client would have to signal `select=*,elements/*`.
+
+  Please note that the nesting into `_embedded` and `_links` is not included in the query prop `select` as
+  links in the context of HAL can be considered properties of the resource just the same as unnested properties and forcing
+  clients to write the full nesting would not increase clarity.
+
+  Link properties are considered to be a single value that cannot be split up further. Every property within a link will be returned
+  if the link is signaled to be selected.
+
+  The `select` signaling flag has been introduced for performance reasons. Not every end point supports it and those that do oftentimes only
+  allow a subset of their resource's properties to be selected. End points supporting the `select` query prop are documented accordingly.
+name: Signaling
diff --git a/docs/bim-guide/README.md b/docs/bim-guide/README.md
new file mode 100644
index 0000000000..241cb8e631
--- /dev/null
+++ b/docs/bim-guide/README.md
@@ -0,0 +1,152 @@
+---
+sidebar_navigation:
+  title: BIM Guide
+  priority: 975
+description: User guide for the OpenProject BIM Edition.
+robots: index, follow
+keywords: BIM user guide
+---
+# BIM user guide
+
+Welcome to the OpenProject user guide for Building Information Modeling (BIM) with OpenProject.
+
+On top of the general project management functionalities, OpenProject BIM enables construction teams to better plan, communicate and collaborate in their building projects. OpenProject BIM includes a 3D model viewer (IFC viewer), support of the BIM collaboration format (BCF) for BIM issue management, and much more powerful features, e.g. a [Revit integration](revit-add-in).
+
+<div class="alert alert-info" role="alert">
+
+**Note**: This guide only covers the specific [BIM features and functionalities of OpenProject](https://www.openproject.org/bim-project-management/). To learn more about the core features for project management of OpenProject (which are included in the BIM Edition as well), please visit our [User Guide](../user-guide/).
+
+</div>
+
+![BIM Project Management](demo_project_teaser_bim.jpg)
+
+
+
+## Overview of all topics regarding the OpenProject BIM Edition
+
+OpenProject BIM Edition provides powerful features particular designed for the needs of construction industry. Please choose the topic you want to learn more about.
+
+## IFC Viewer
+
+Upload your IFC building models and show them directly in the internet browser, without any additional software.
+
+Details: [IFC-Viewer](ifc-viewer)
+
+
+
+## BIM Issue Management
+
+Create tasks directly connected to your building model, import tasks or export tasks from any other BIM application.
+
+Deails: [BIM Issue Management](bim-issue-management)
+
+
+
+## Revit Addin
+
+Stay always connected to OpenProject in realtime, show and create tasks while you're working in the Revit, using the Revit Addin.
+
+Details: [Revit Add-in](revit-add-in)
+
+
+
+## How to get a free trial?
+
+You easily can start a new BIM trial on our [OpenProject BIM website](https://www.openproject.org/bim-project-management/). The have a look at the full description of how to start a new trial installation just follow the Link: [Create trial installation](../enterprise-guide/enterprise-cloud-guide/create-cloud-trial/).
+
+
+
+## How to enable the BCF module?
+
+The BCF Module and the included IFC viewer can be enabled for every single project. Here you can find the description how to [enable a module](../user-guide/projects/project-settings/modules/) within your ***poject settings***.
+
+
+
+## Reporting bugs
+
+You found a bug? Please [report it](../development/report-a-bug) to our [OpenProject community](https://community.openproject.com/projects/revit-add-in). Thank you!
+
+
+
+## BIM FAQs
+
+
+
+### Can OpenProject features be used within the OpenProject BIM Edition?
+
+Yes, you are able to use all known features. Within our BIM Edition you get the full functionality and additionaly some features only for the building industry.
+
+
+
+### Is it possible to switch my existing OpenProject Installation to the BIM Edition?
+
+Yes, an existing OpenProject on-premises (self-hosted) installation can easily be switched to the BIM Edition without loosing your settings and projects.
+
+In our [Installation & Upgrade Guide](../installation-and-operations/changing-to-bim-edition) you can find a description how to switch.
+
+
+
+### Is OpenProject BIM compatible to other BIM Software?
+
+Yes of course. We are of the opinion that the full potential of the BIM method only works through collaboration and the exchange of information (openBIM). For this reason we support the open BCF XML Standard. You are able to import and export all created BCF and stay interoparable with any other BCF software.
+
+
+
+### Why do I need a Revit Add-In?
+
+You don't need it, but it makes your BIM Issue Management much easier. The *OpenProject Revit Add-In* allows you to use the open source project management software *OpenProject BIM* directly within your Autodesk Revit environment. It lets you create, inspect and manage issues right in the moment when you can also solve them - when you have your Revit application fired up and the relevant BIM models open. Issues get stored as BIM Issues centrally and are available to every team member in real time - thanks to our browser based IFC viewer even to those team members without expensive Revit licenses. No BCF XML import/export is needed. However, you still can import and export BCF XML as you like and stay interoparable with any other BCF software.
+
+
+
+### Are there any System Requirements for the Revit Add-In?
+
+The OpenProject Revit Add-In does not have any special system requirements. Only a supported [version of Autodesk Revit](/#system-requirements) must be installed. 
+
+
+
+### Which versions of Revit are supported?
+
+The OpenProject BIM Addin for Revit supports the following versions:
+
+- REVIT 2019 
+- REVIT 2020 
+- REVIT 2021
+
+
+
+### Is it possible to use OpenProject BIM without REVIT?
+
+Yes! The Revit Add-In is just additional to the OpenProject BIM core functionality. It's still possible to import and export BCF XML as you like and stay interoparable with any other Software for BIM Issue Management.
+
+
+
+### Are integrations with other BIM software planned?
+
+Yes, we want to develop some other integrations to stay interoparable with other BIM software and make BIM Issue Management with OpenProject BIM much easier.
+
+
+
+### How to enable the BCF module?
+
+The BCF Module and the included IFC viewer can be enabled or disabled for every single project. Here you can find the description how to [enable a module](../user-guide/projects/project-settings/modules/) within the project settings. 
+
+*The BCF Module is an OpenProject BIM Premium function. Please make sure, that you are already using the OpenProject BIM Edition ([switch to the BIM Edition](../installation-and-operations/changing-to-bim-edition))*
+
+ 
+
+### Why can't I see a building model?
+
+There are many potential reasons why you can't see your building model. Please check out the most common reasons and their solution:
+
+- BCF Module could be disabled ([How to enable a module](../user-guide/projects/project-settings/modules/))
+- Building model is hidden in Model hierarchy (check within the [IFC Model Tree](ifc-viewer/#show-or-hide-models-or-elements-via-model-tree))
+- Building model is completely sliced ([clear all slices](ifc-viewer/#how-to-slice-the-building-model) within the model viewer toolbar)
+- IFC file isn't uploaded yet or is invalid (please check the status of the uploaded file within the [IFC Model management area](ifc-viewer/#import-and-export-ifc-models)).
+- IFC file does not have any geometry (please check if your IFC file has some geometry)
+
+
+
+### Where to find the Version of my Revit AddIn?
+
+To see which version of the Revit AddIn you are currently using, navigate to the OpenProject tab in the Revit taskbar and open the settings. Here you can see which version you are currently using.
+
diff --git a/docs/bim-guide/bim-issue-management/Cards-mode.png b/docs/bim-guide/bim-issue-management/Cards-mode.png
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diff --git a/docs/bim-guide/bim-issue-management/OpenProject-toolbar.png b/docs/bim-guide/bim-issue-management/OpenProject-toolbar.png
new file mode 100644
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diff --git a/docs/bim-guide/bim-issue-management/OpenProject_BCF_Module.png b/docs/bim-guide/bim-issue-management/OpenProject_BCF_Module.png
new file mode 100644
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diff --git a/docs/bim-guide/bim-issue-management/README.md b/docs/bim-guide/bim-issue-management/README.md
new file mode 100644
index 0000000000..4cabdefae5
--- /dev/null
+++ b/docs/bim-guide/bim-issue-management/README.md
@@ -0,0 +1,249 @@
+---
+sidebar_navigation:
+  title: BIM Issue Management
+  priority: 200
+description: How to use OpenProject BIM Issue Management.
+robots: index, follow
+keywords: BIM, BCF, IFC, BIM Issue Management, BCF-Management
+---
+
+# BIM Issue - Management (BIM feature)
+
+Within the *BCF-Module* you are able to manage *BIM Issues (BCF)*. All BIM Iccues get stored as BCFs centrally and are available to every team member in real time. Below you find the most important features how to use the BCF Module to create, inspect and manage issues. 
+
+
+
+## What is a BIM Issue?
+
+A BIM Issue is a special kind of work package to communicate directly within the building model. It supports you to solve problems and coordinate the planning phase in a building project.
+
+The BIM Issue is not only a description of a problem, the view of the building model is stored within the issue as well. This includes the current selection, view , rotation & zoom of the model.
+
+OpenProject BIM supports the standard of the ***BIM Collaboration Format (BCF)***. All BIM Issues which are created within another *Open BIM* Software can be imported to work with this issue within our project management solution. 
+
+
+
+## Create a BIM Issue
+
+To create a BIM Issue you don't have to configure a new type of work package. Every work package (e.g. Task, Issue, Milestone, … ) can become a BIM Issue only by adding a viewpoint to the work package. 
+
+There are two ways to create new BIM Issue:
+
+- [Create a new BIM Issue](#create-a-new-bim-issue) within the building model
+- Add a viewpoint to an existing work package (doesn't matter which type)
+
+BIM-Issues always belong to a project and a building model. Therefore, you first need to [select a project](../../getting-started/projects/#open-an-existing-project) and upload an IFC file to see the building .
+
+Then, navigate to the BCF module in the project navigation.
+
+
+
+![BCF-Module](OpenProject_BCF_Module.png)
+
+
+
+### Create a new BIM Issue
+
+To create new BIM Issues, you have to open the Model - Viewer first and create the view you want to save within the BIM Issue (e.g. zoom, [rotate](../ifc-viewer/#how-to-rotate-the-building-model), [slice](../ifc-viewer/#how-to-slice-the-building-model), [select](../ifc-viewer/#how-to-select-elements?), [hide](../ifc-viewer/#show-or-hide-models-or-elements-via-model-tree), … ). 
+
+Click on the **+ Create new work package** and select the type of workpackage you want. 
+
+![Create a new BIM Issue](create-a-new-BIM-issue.png)
+
+
+
+Now you can see a detail view of the new Issue. Describe all necessary information to work on that task and add a viewpoint by clicking on the **"+ Viewpoint"**-Button. Now the current Viewpoint of the Building Model is added to the Issue. After saveing your new BIM issue is created.
+
+*Within the viewpoint the current status of your building model is saved. So please check the view before - is there everything shown within the model viewer?*
+
+![Create a viewpoint](Create-a-viewpoint.png)
+
+
+
+You also have the option of adding multiple viewpoints to a work package. Rotation, selection and visibility can be changed for every viewpoint to get a better model based communication.
+
+![Adding multiple viewpoints](adding-multiple-viewpoints.png)
+
+
+
+### Add a viewpoint to an existing work package
+
+The workflow of adding a viewpoint to an existing work package is similar to creating a new BIM Issue. To switch an existing work package to a BIM Issue just follow the steps:
+
+Open the **BCF-Module** to see the building model.
+ ![BCF Module](bcf_module.png)
+
+
+
+Make sure the "Model Viewer & Maps" - View or "Model Viewer & Table" - View is selected within the **OpenProject-Toolbar**.
+
+![Model and workpackage view](model_maps_view.png)
+
+
+
+Now open the **work package Details** by double click on the work package ("my first work-package"). Now you are able to add a viewpoint like it is described above.
+
+
+
+
+## BIM Issue Handling (Details View)
+
+The handling of BIM Issues is similar to the handling of work packages (including configuration of the attribute). To jump to a viewpoint of an existing BIM Issue the model viewer has to be activated (visible in the center of your screen) or you have to open the detail view of the work package.
+
+
+
+
+### Jump to a Viewpoint with the Details View
+
+If the Model viewer isn't shown yet, open the Detail - view of the BIM Issue and follow the Cube symol of the preview. Now the model viewer opens and the viewpoint of the BIM Issue will be displayed.
+
+![Display BIM Issue](display_bim_issue.png)
+
+
+
+
+
+### Switch between different Viewpoints
+
+After creating multiple BIM Issues you are able to jump between different viewpoints easily. The "Viewer and Cards" - Mode shows all of your BIM Issues. With a single click at the preview of the BIM Issue, the model viewer changes immediately. 
+
+
+
+![Switch_Viewpoints](Switch_Viewpoints.gif)
+
+
+
+### Configuration of BIM Issues
+
+To create BIM Issues you don't have to configure additional work package types. Every existing work package can become a BIM Issue by adding a viewpoint. Before you can add a viewpoint to a work package, this work package must be enabled for viewpoints in the system administration.
+
+
+
+
+## View and Find BIM Issues (Cards and List View)
+
+### Overview
+
+You can switch between different View modes within the OpenProject toolbar. Just open the dropdown menu and select the view which fits best to your situation.
+
+ ![Swicht_View_Mode](Swicht_View_Mode.gif)
+
+
+
+
+### Viewer and Cards
+
+![Viewer and Cards](Viewer_and_Cards.png)
+
+
+
+The detail view of every work package can be shown by different user actions. To open the viewpoint and see the description in the details view, just double click at the BIM Issue in the card view. After double click your current viewpoint in the model viewer will be reset and the viewpoint of the BIM Issue including all details will be displayed.  
+
+To view only the detail view of the BIM issue without resetting the current view of the model, you can click on the work package number ("#…") or the "information icon" on the card.
+
+
+
+### Cards Mode
+
+Within the cards view you are not able to jump directly to a viewpoint. First you have to open the details view by using the "information icon" or the work package number ("#…") at the card. There you can find the "Cube" which leads you to the viewpoint within the appearing model viewer.  
+
+![Cards Mode](Cards-mode.png)
+
+
+
+
+
+
+### Viewer and Table
+
+To open the BIM Issue in this mode just click at the work package in the table. By double click at the BIM Issue the viewpoint will be shown and the details will appear. The details of each work package can be shown without changing the current view of the model by single click at the work package ID.
+
+![Viewer and Table](viewer-and-table.png)
+
+
+
+
+
+### Table
+
+Within the table view you are not able to jump directly to a viewpoint. First you have to open the details view by using the "information icon" or the work package number ("#…") or double click at the work package. At the details view you can find the "Cube" which leads you to the viewpoint within the appearing model viewer.  
+
+![Table](table.png)
+
+
+
+
+
+
+## Filter BIM Issues
+
+You are able to filter BIM Issues by using the filter button in the **OpenProject toolbar**. The filter is usable in every view.
+
+![OpenProject Toolbar](OpenProject-toolbar.png)
+
+
+
+![Filter BIM Issue](Filter-BIM-Issue.png)
+
+
+
+
+## BIM Issues in Workpackage Module
+
+BIM Issues are also listed in the workpackage module. This supports you to manage your building project in the best way and get an overview of all issues. To separate work packages and BIM Issues we created a new filter which enables you to filter BIM Issues.
+
+![BIM Issues and work packages](bim-issues-and-work-packages.png)
+
+
+
+
+
+
+## Import and Export BCF Issues using BCF
+
+Within the BCF module you are able to upload BIM Issues which are created within other software and download already existing files to manage them within other BIM project management solutions. Just Click on the ***"Import"-Button*** or ***"Export"-Button*** within the OpenProject Toolbar. 
+
+
+
+### Import of Attributes
+
+After importing a BCF Issue (or multiple Issues at the same time) from another software, OpenProject will match existing attributes and types of the work package. 
+
+If attributes of the imported BCF Issue can't be matched automatically (because they are not available within your project configuration), you are able to synchronize the values manually.
+
+![Import BCF](import-bcf.png)
+
+
+
+**Currently the following attributes can be synchronized and matched:**
+
+- Title & Description
+- Priority
+- Type (e.g. Clash)
+- Status
+- Viewpoint
+- Creation Date
+- Creation Author
+- Modified Date
+- Modified Author
+- Assignee
+- Due Date
+- Comments
+
+
+
+After a successful matching of the attributes the topics will be displayed in OpenProject. 
+
+![Successfull BCF Import](successfull-bcf-import.png) 
+
+
+
+![Imported BCF Issues](imported-bcf-issues.png)
+
+
+
+### Outdated BCF Issues
+
+If there are more recent changes to the work package in OpenProject than in the imported BCF ("ModifiedDate"), the import will be rejected.     
+
+![Outdated BCF Issues](outdated-bcf-issues.png)
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+---
+sidebar_navigation:
+  title: IFC viewer
+  priority: 300
+description: How to use the OpenProject IFC-Viewer.
+robots: index, follow
+keywords: BIM, BCF, IFC, Viewer
+---
+
+# IFC-Viewer (BIM feature)
+
+OpenProject BIM includes a very powerful IFC viewer to show and interact with building models in 2D & 3D.
+
+IFC-Files can be uploaded and shown directly within your Web-Browser without installing any additional software on your computer. 
+
+## Basics
+
+The BCF Module has included a very powerful IFC viewer. Here is a short overview of available user actions:
+
+![IFC Viewer Overview](ifc-viewer-overview.png)
+
+
+
+1. **IFC Model Viewer** to have a look at the building model directly within OpenProject BIM.
+2. **IFC Model Tree** to see the IFC Model Structure and show / hide elements.
+3. The **OpenProject toolbar** shows the most important user actions like createing new (BIM) issues, Import & Export BCF files, Change OpenProject View and upload & download IFC-Models 
+4. The **View Cube** to rotate the building model.
+5. The **IFC-Viewer toolbar** to interact with the building model (e.g. change perspective, hide/ show elements, select elements & slice the building model)
+
+
+
+## Import and Export IFC Models
+
+Within the BCF module you are able to manage your IFC files. You are able to upload new building models and download already existing files. Just Click on the ***"IFC-Models"-Button*** within the OpenProject Toolbar. 
+
+
+
+![Import and Export IFC Models](import-and-export-ifc-models.png)
+
+
+
+To upload your first IFC model click on the green "+ IFC Model" - Button. A new explorer Window will be opened. Just navigate to the folder where your latest building model is saved.
+
+![Import IFC Model](import-ifc-model.png)
+
+
+
+Select the file you want and confirm your upload. You also the choice to set the new model as "Default model". All default models (multiple models can be set as default) are initially shown if you relaod the BCF module. You are able to change this setting later as well.
+
+![Set Model as Default](set-model-as-default.png)
+
+
+
+After uploading a building model you get an overview of all models within the "model management". There you are able to see their current upload status, rename the model, delete or download the existing models.
+
+![BIM Model Management](bim-model-management.png)
+
+
+
+If there already exist a model in project, you don't have to open the "model manager" to upload other models. You are able to add more models by clicking the "Add-Button" in the IFC Model Tree.  
+
+![Add a new IFC Model](add-a-new-ifc-model.png)
+
+
+
+**Remember:** If there are multiple models you are able to hide the whole model or single elements by using the checkbox within model tree.  
+
+![Hide_Model](Hide_Model.gif)
+
+
+
+
+
+
+## How to rotate the building model?
+
+To rotate the IFC model you either left-click on the building viewer and ***rotate the building model by panning*** your cursor **or** use the ***View Cube*** in the right bottom corner for navigation.
+
+![Model_Rotation](Model_Rotation.gif)
+
+
+
+
+
+## IFC-Viewer toolbar
+
+The IFC-Viewer toolbar has many functions which are described below. The user actions all relate to the viewer and can be startet by clicking on the button.
+
+### Reset-View
+
+![Reset View](reset-view.png)
+
+If your building model (or objects within the model) is rotated, zoomed or cut and you want to reset your current view this function will help you. All you have to do is press the button once and your your view will be reset to the default.     
+
+![Reset_view_button](Reset_view_button.gif)
+
+
+
+### 2D / 3D View
+
+![2D View](2-d-view.png)
+
+If your building model can easily be shown in 2D or 3D. This function is very popular to have a deeper look into the building (e.g. to see the floorplan). To use this function in the best way, you are able to combine the 2D view with hiding elements (like it is shown below).
+
+![2D_3D](2D_3D.gif)
+
+
+
+### Orthographic View
+
+![Orthographic Button](orthographic-button.png)
+
+The default behavior of the OpenProject BIM Model Viewer is a perspective view. The perspective camera gives you more information about depth. Distant objects are smaller than nerby ones. This function changes from perspective view to orthographic view.  The orthographic view is widely used in engineering. All objects appear at the same scale and parallel lines remain parallel. Also a unit length appears the same length anywhere on the sceen. This makes it easier to assess the relative sizes. 
+
+![Orthographic View](orthographic-view.png)
+
+### Fit View
+
+![Fit View Button](fit-view-button.png)
+
+This function allows you to reset the current zoom level and the position of the building model. The button resets the zoom and position of the building model so that the entire model is visible and centered.
+
+![Fit View](fit-view.gif)
+
+
+
+### First Person Perspective
+
+![First Person Button](first-person-button.png)
+
+The first person perspective changes the way you ineract with the building model. The user no longer rotates the entire building model around an axis. Now he has the option of changing their own perspective. After activating the first person perspective, the viewer behaves similar to the real world and the camera moves in a manner comparable to a head movement.
+
+![First_Person_Perspective](First_Person_Perspective.gif)
+
+
+
+
+
+## How to slice the building model?
+
+![Slice Building Model](slice-building-model.png)
+
+To have a deeper look within the building model you are able to slice the whole building. To start slicing click on the "***scissors symbol***" within the ***IFC-Viewer toolbar*** and left-click on an element which has the same angle you want to slice (you can edit this angle later as well). Now there are shown some arrows. Grab one and slice the model by dragging the arrow to the location you want. 
+
+![Slice building model](Slice_building.gif)
+
+
+
+## How to clear slices?
+
+You are able to clear all slices by using the ***dropdown*** menu next to the "***scissors symbol***" within the ***IFC-Viewer-Toolbar***.
+
+![slice-building-model](slice-building-model.png)
+
+
+
+![Clear slices](clear_slices.png)
+
+
+
+
+
+## How to select elements?
+
+To select elements within the building model, you have to activate the selection mode by clicking on the highlighted toogle button placed in the ***IFC-Viewer toolbar***. After activating the selection mode you are able to select a single or multiple elements within the viewer by left click. Your individual selection won't be reset after leaving the selection mode. You are able to reset your current selection with the context menu (right click).
+
+![Select Elements Button](select-elements-button.png)
+
+
+
+![Select Elements](Select_elements.png)
+
+
+
+## Show Properties
+
+You are able to see the basic properties of each element (e.g. the UUID) within OpenProject BIM. After using the "information" buttion a new tab named "Properties" will appear. 
+
+![Show Properties Button](show-properties-button.png)
+
+![Show Properties](show-properties.png)
+
+
+
+In order to inspect the information for individual objects, you have to use the context menu and simply select the "Inspect Properties" Menu item. All properties of the object will appear in the new tab.
+
+![Inspect Properties](inspect-properties.png)
+
+
+
+**But be careful!** The properties of the element you just clicked on are displayed. So make sure that there are no unwanted objects (e.g. window panes) in front of your desired object.   
+
+
+
+![Element Properties](element-properties.png)
+
+
+
+
+
+## Show or Hide elements via viewer
+
+There are two options to hide elements via viewer. The **first possibility** is to use the ***IFC-viewer toolbar***. Within the toolbar you will find the **"hide-button"** 
+
+![Hide Elements Button](hide-elements-button.png)
+
+After the "Hide-Mode" has been activated, each element you click (left click) on will be hidden.
+
+![Hide_elements_Viewer_rubber](Hide_elements_Viewer_rubber.gif)
+
+
+
+
+
+The **second possibility** to hide single elements via viewer is to use the context menu. Here you can find the function to hide single elements.
+
+![Hide Elements Context Menu](hide-elements-context-menu.png)
+
+
+
+You are always able to show hidden elements by using the **"Reset-View" Button** in the Viewer toolbar or use the **"Show All"** **Button** in the IFC Model tree. 
+
+Sometimes it is helpful to see elements in context to other elements but a good view can be disturbed by individual elements. For this case our viewer is able to show your building model in an "X-Ray"-Mode. The mode can be activated via the context menu and enables disturbing elements to be displayed in the context of other elements without covering them. 
+
+![XRay](XRay.gif)
+
+
+
+## Show Elements in Model Tree
+
+To be sure if you hide or select the element you want you are able to jump to this element in the IFC Model tree.
+
+All you have to do is open the context menu on the desired element and select the "Show in Explorer" function. Now the Model tree folds out to the desired element.
+
+
+
+![Show in Explorer](show-in-explorer.png)
+
+ 
+
+## Show or Hide models or elements via model tree
+
+If you have uploaded several IFC models of one building (e.g. one for each discipline - Architecture, Structural & MEP) and want to have a look at a single model or just want to hide specific elements, you are able to hide them by changing the status of the ***checkbox within the model tree.***
+
+The model tree can represent the structure of the building model in different ways. This means that entire models, storeys or even similar components can be hidden with a single click. 
+
+
+
+![Hide_Model](Hide_Model.gif)
+
+
+
+![Hide_building_storey](Hide_building_storey.gif)
+
+
+
+After switching to the "Classes" tab in the model tree, you can see the grouping of all elements by IFC classification. Whole groups can be hidden as well. In the example, all elements of the type "IFCWall" will be hidden.  
+
+![Hide_IFC_classes](Hide_IFC_classes.gif)
+
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+++ b/docs/bim-guide/revit-add-in/README.md
@@ -0,0 +1,218 @@
+---
+sidebar_navigation:
+  title: Revit Add-in
+  priority: 100
+description: How to use the OpenProject BIM - Revit AddIn.
+robots: index, follow
+keywords: BIM, BCF, IFC, Viewer
+---
+
+# Revit Add-In (BIM feature)
+
+The *OpenProject Revit Add-In* allows you to use the open source project management software *OpenProject BIM* directly within your Autodesk Revit environment. It lets you create, inspect and manage issues right in the moment when you can also solve them - when you have your Revit application fired up and the relevant BIM models open. Issues get stored as BIM Issues centrally and are available to every team member in real time - thanks to our browser based IFC viewer even to those team members without expensive Revit licenses. No BCF XML import/export is needed. However, you still can import and export BCF XML as you like and stay interoparable with any other software for BIM Issue Management.
+
+To download the latest version (v2.2.3) of our OpenProject Revit AddIn click here: [DOWNLOAD](https://github.com/opf/openproject-revit-add-in/releases/download/v2.3.3/OpenProject.Revit.exe)
+
+
+
+<div class="alert alert-info" role="alert">
+**Note**: OpenProject BIM Issue Management is a Premium Feature and can only be used with [Enterprise cloud](../../enterprise-guide/enterprise-cloud-guide/) or [Enterprise on-premises](../../enterprise-guide/enterprise-on-premises-guide/). An upgrade from the free Community Edition is easily possible.
+</div>
+
+
+## Before Usage
+
+Please check the following steps before useing the OpenProject BIM Edition.
+
+1. Does OpenProject BIM support your [Version of Revit](#system-requirements)?
+2. Did you already install the latest Version of our OpenProject BIM Addin?
+3. Is the latest IFC Model uploaded to your Project in OpenProject BIM?
+
+If you can answer all questions with "yes" you are ready to start using our Revit Addin.
+
+
+
+## How to install?
+
+
+
+### System Requirements
+
+The **OpenProject Revit AddIn** does not have any special system requirements. Autodesk Revit must be installed. The following versions of Revit are supported:
+
+- 2019
+- 2020
+- 2021
+
+
+
+### Download the Installer
+
+To download the setup application for the **OpenProject Revit AddIn**, click here: [DOWNLOAD](https://github.com/opf/openproject-revit-add-in/releases/download/v2.3.3/OpenProject.Revit.exe)
+
+You can find the latest version of our AddIn on [Github](https://github.com/opf/openproject-revit-add-in/releases/latest) as well.
+
+
+
+### Installation 
+
+After you have downloaded the file, please run it to start the installation process.
+
+1. **Start Installation process**
+   In the first screen, click *Next* to continue: 
+
+![Installation Step 1](installation-step-01.png)
+
+
+
+2. **Select Revit Version**
+
+   Next, select the Revit version you have installed locally and click *Next* to continue. You can select multiple versions:
+
+![Installation Step 02](installation-step-02.png)
+
+
+
+3. **Start Installation**
+
+   Verify the installation steps are correct in the next screen and click on *Install* to install the **OpenProject Revit AddIn**:
+
+![Installation Step 03](installation-step-03.png)
+
+
+
+4. **Ready to use**
+
+   Please wait a few moments for the installation to complete and then click *Finish* to finish the installation.
+
+
+
+## How to update from an Earlier Version?
+
+If you already have an earlier version installed, simply follow the same steps as for a new installation ([How to install?](#how-to-install)). The existing **OpenProject Revit AddIn** will be updated.
+
+
+
+
+
+## How to login?
+
+After Installing the OpenProject BIM AddIn you can find a new tab within the Revit taskbar named "OpenProject". To login you have to open the **settings** first.
+
+![Revit AddIn Settings](RevitAddIn_Settings.png)
+
+
+
+The settings will appear in a new tab. Within this tab you have to insert your own ***OpenProject BIM URL*** and confirm with "Go". Your OpenProject account is now linked to your Revit application and you can close the tab.
+
+![OpenProject BIM Login](OpenProject_BIM_Login.png)
+
+
+
+
+
+
+
+## How to select a Project
+
+After connecting your OpenProject BIM instance you are able to start working with your BCF Tasks within Revit. Firstly you have to open the **OpenProject Tab** in the taskbar and start the application. 
+
+![Start OpenProject BIM Addin](OpenProject_BIM_Start.png)
+
+
+
+After starting the application a new tab will be created and you are able to select the Project you want to work in.  
+
+![OpenProject BIM - Select a Project](OpenProject_BIM_Projects.png)
+
+
+
+## Working with BIM Issues
+
+To work with BIM Issues, please open our AddIn and navigate to our BCF Module. 
+
+![OpenProject BIM - BCF Module](OpenProject_BIM_BCF_Module.png)
+
+
+
+Within this module all existing work packages are displayed. Within this demo project doen't exist any work package yet. To create a new one, click on the "add new workpackage"-Button.  
+
+![OpenProject BIM - Create BCF](OpenProject_BIM_Create_BCF.png)
+
+
+
+An empty form for new work packages is now displayed. After adding a title and detailed information describing your issue, you have to add a viewpoint. This viewpoint saves your current view & selection of the building model (so check the rotation, selection and zoom of the model before). 
+
+And the most important thing: **don't forget to save** the work package.
+
+![OpenProject BIM - Add Viewpoint](OpenProject_BIM_Add_Viewpoint.png)
+
+
+
+
+
+To open a BIM Issue and restore the viewpoint you have to navigate to the BCF Module and just click on the BIM Issue you want to open. The behavior of working with the issues is almost the same like in OpenProject.
+
+![OpenProject BIM - Issues](OpenProject_BIM_Issues.png)
+
+
+
+The handling of BIM Issues within Revit is similar to OpenProject BIM. There are only a few changes to the browser based version:
+
+- **Model Viewer**: To show a BIM Issue OpenProject BIM will use your Revit Model instead of the OpenProject BIM Model Viewer.
+- **Reduced View**: OpenProject BIM is now used in a smaller window. That's why you are currently using a reduced view.
+- **Missing Browser Toolbar**: The Browser Toolbar is missing, so you might miss some common user actions (e.g. jump to previous page) 
+
+
+
+
+
+## Synchronize Tasks between Revit and OpenProject
+
+OpenProject BIM and Revit automatically synchronize all BIM work packages. You don't have to pay attention to anything else and you can manage your entire project directly in OpenProject. Whatever you do, users of OpenProject BIM Edition will see any changes in the browser as well.  
+
+
+
+![OpenProject BIM - Synchronization](OpenProject_BIM_Synchronization.png)
+
+
+
+
+
+
+
+
+
+## How to uninstall the OpenProject Revit AddIn?
+
+To remove the **OpenProject Revit AddIn** remove the AddIn like any other AddIn from Revit. First close any running instance of Revit. Then you'll have to enter the directory `C:\ProgramData\Autodesk\Revit\Addins\<REVIT_VERSION>`. There you must delete the file `OpenProject.Revit.addin` and the folder `OpenProject.Revit`. After a restart of Revit, the **OpenProject Revit AddIn** is no longer available.
+
+
+
+## Troubleshooting
+
+### 'Your computer was protected by Windows' Error Message
+
+This is an internal Windows defense mechanism called *Windows SmartScreen*. When you run the installer, you might see a message similar to this:
+
+![Installer Windows SmartScreen 1](installer-smart-screen-01.png)
+
+
+
+This can happen when a new release was not yet installed by many users, so internal Microsoft services do not yet know about the trustworthiness of the **OpenProject Revit AddIn** version.
+
+To continue, please click on the highlighted part labeled *Additional Information*, then you should see a screen like the following:
+
+![Installer Windows SmartScreen 2](installer-smart-screen-02.png)
+
+
+
+Ensure that publisher says *OpenProject GmbH*. That means the installer was correctly signed by OpenProject and is safe to use.
+
+To proceed with the installation, click on *Run Anyway* and the installation will start.
+
+
+
+## Reporting bugs
+
+You found a bug? Please [report it](../../development/report-a-bug) to our [OpenProject community](https://community.openproject.com/projects/revit-add-in). Thank you!
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diff --git a/docs/development/profiling/README.md b/docs/development/profiling/README.md
index ecbbc079ab..6a80d25f88 100644
--- a/docs/development/profiling/README.md
+++ b/docs/development/profiling/README.md
@@ -60,3 +60,21 @@ Having a flamegraph displayed is triggered by issuing the request with `pp=flame
 will show the flamegraph for that api request.
 
 The options available can be displayed by adding `pp=help` to a query.
+
+### API patch/post requests
+
+For bodied requests (e.g. patch/post) which typically are triggered not from a browser when profiling, a flamegraph can still be created, e.g.:
+
+`PATCH http://localhost:3000/api/v3/work_packages/1547?pp=async-flamegraph`
+
+will result in a flamegraph being created. Instead of appending `pp=flamegraph`, the appended parameter needs to be `pp=async-flamegraph`.
+
+But that flamegraph will not show up directly in the tools typically used.
+
+The flamegraph needs to be accessed by calling an arbitrary page of the application via the browser after having issued the bodied request (e.g. `http://localhost:3000`). In the lower right corner, sometimes after some waiting, the profiling tools will show a small menu from which the generated flamegraph can be accessed.
+
+![Flamegraph retrieval](flamegraph_retrieval.png)
+
+In case this fails, the flamegraphs are stored in `tmp/miniprofiler` in a file called `mp_timers_[some hash]`. Knowing which file belongs to the previously created flamegraph, the file can be opened by requesting:
+
+`http://localhost:3000/mini-profiler-resources/flamegraph?id=[some hash]`
diff --git a/docs/development/profiling/flamegraph_retrieval.png b/docs/development/profiling/flamegraph_retrieval.png
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diff --git a/docs/development/security/README.md b/docs/development/security/README.md
index a6fa1d5b58..d0b2663923 100644
--- a/docs/development/security/README.md
+++ b/docs/development/security/README.md
@@ -68,5 +68,5 @@ With the single sign-on feature you can securely access OpenProject. Control and
 
 
 
-Find out more about our [GDPR compliance](../../enterprise-guide/enterprise-cloud-guide/GDPR/).
+Find out more about our [GDPR compliance](../../enterprise-guide/enterprise-cloud-guide/gdpr-compliance/).
 
diff --git a/docs/enterprise-guide/README.md b/docs/enterprise-guide/README.md
index 6b1bb8f20f..b326b86656 100644
--- a/docs/enterprise-guide/README.md
+++ b/docs/enterprise-guide/README.md
@@ -31,7 +31,7 @@ Find a detailed feature comparison [here](https://www.openproject.org/pricing/#f
 | [Subscribe](./enterprise-cloud-guide/book-cloud)             | How to book Enterprise cloud?                                |
 | [Backups](./enterprise-cloud-guide/backups)                  | How do backups work in the cloud?                            |
 | [Support](./enterprise-cloud-guide/support)                  | How to get support as Enterprise cloud user?                 |
-| [GDPR](./enterprise-cloud-guide/GDPR)                        | Review and sign a Data Processing Agreement (DPA).           |
+| [GDPR](./enterprise-cloud-guide/gdpr-compliance)                        | Review and sign a Data Processing Agreement (DPA).           |
 
 
 
diff --git a/docs/enterprise-guide/enterprise-cloud-guide/README.md b/docs/enterprise-guide/enterprise-cloud-guide/README.md
index 28a02004c6..c6a3974915 100644
--- a/docs/enterprise-guide/enterprise-cloud-guide/README.md
+++ b/docs/enterprise-guide/enterprise-cloud-guide/README.md
@@ -30,7 +30,7 @@ Welcome to the OpenProject **Enterprise cloud edition guide**.
 | [Subscribe](./book-cloud)                                    | How to book Enterprise cloud?                                |
 | [Backups](./backups)                                         | How do backups work in the cloud?                            |
 | [Support](./support)                                         | How to get support as Enterprise cloud user?                 |
-| [GDPR and DPA](./GDPR)                                       | Review and sign a Data Processing Agreement (DPA).           |
+| [GDPR and DPA](./gdpr-compliance)                                       | Review and sign a Data Processing Agreement (DPA).           |
 
 The OpenProject Enterprise cloud edition contains all OpenProject Community features plus the additional OpenProject premium features, as well as professional support.
 
diff --git a/docs/enterprise-guide/enterprise-cloud-guide/enterprise-cloud-faq/README.md b/docs/enterprise-guide/enterprise-cloud-guide/enterprise-cloud-faq/README.md
index 67b653a78f..c241efd8fd 100644
--- a/docs/enterprise-guide/enterprise-cloud-guide/enterprise-cloud-faq/README.md
+++ b/docs/enterprise-guide/enterprise-cloud-guide/enterprise-cloud-faq/README.md
@@ -9,13 +9,17 @@ keywords: Enterprise cloud FAQ, Cloud Edition, hosted by OpenProject
 
 # Frequently asked questions (FAQ) for Enterprise cloud
 
+## How can I test the Enterprise cloud version?
+
+Simply create a 14 days free trial on: https://start.openproject.com/. Enter your organization name in small letters, without spaces (e.g. openproject) and press the blue Start Free Trial button.
+
 ## How can I book additional users for the Enterprise cloud?
 
 You can do this in your OpenProject instance in the administration. The number of users can be increased in steps of 5. Find out [here](../manage-cloud-subscription/#upgrade-or-downgrade-subscription) how to change the number of users in your system administration. A reduction in the number of users takes effect at the beginning of the next subscription period.
 
 ## How can I change my payment details (e.g. new credit card)?
 
-Please have a look at [this instruction](../manage-cloud-subscription/).
+Please have a look at [this instruction](../manage-cloud-subscription/) for the Cloud edition to change your payment details.
 
 
 ## Does OpenProject comply with GDPR?
@@ -28,12 +32,23 @@ The data center (AWS) we use for Enterprise Cloud Edition is ISO27001 certified.
 
 For more information please visit the [information regarding security measures](https://www.openproject.org/legal/data-processing-agreement/technical-and-organizational-data-security-measures) on our website.
 
-## Where geographically is the OpenProject Enterprise cloud data stored?
+## Does OpenProject employ sub-processors for the OpenProject Cloud Edition from outside the EU?
+
+A list of all sub-processors used in the OpenProject Enterprise Cloud can be found [here](https://www.openproject.org/legal/data-processing-agreement/sub-processors/).
+
+Please note: For the OpenProject Enterprise Cloud we currently have two SaaS infrastructures:
+
+**OpenProject.com** 
+
+This infrastructure is hosted at AWS in Dublin. For sending transactional emails we use the service Postmark which is based in the US.
+
+**OpenProject.eu (beta)**
 
-The OpenProject Enterprise cloud environment is hosted on a logically isolated virtual cloud at Amazon Web Services with all services being located in Ireland. AWS is a GDPR compliant cloud infrastructure provider with extensive security and compliance programs as well as unparalleled access control mechanisms to ensure data privacy. Employed facilities are compliant with the ISO 27001 and 27018 standards. OpenProject Enterprise cloud environment is continuously backing up user data with data at rest being fully encrypted with AES-256. Each individual's instance is logically separated and data is persisted in a unique database schema, reducing the risk of intersection or data leaks between instances. You can find more information [here](https://www.openproject.org/security-and-privacy/).
+Starting from April 2022, we will also offer hosting of the OpenProject Enterprise cloud in our new SaaS infrastructure *OpenProject.eu*. In this new environment there is no transfer to sub-processors outside the EU. If you want to join the beta program please contact privacy@openproject.com (GPG Key: [BDCFE01EDE84EA199AE172CE7D669C6D47533958](https://keys.openpgp.org/vks/v1/by-fingerprint/BDCFE01EDE84EA199AE172CE7D669C6D47533958)).
 
-We also offer hosting in a German data center on request. Please [contact us](https://www.openproject.org/contact-us/) if you are interested.
+**Migration after the beta phase in April 2022**
 
+After the end of the beta phase we plan to migrate <u>all</u> customers to the new infrastructure *OpenProject.eu*. Before this migration we (Processor) will notify all clients (Controller) about the new sub-processors by email.  After the expiry of the objection period of two weeks, the modification shall be deemed approved within the meaning of Article 28  (2) GDPR. If the the Controller objects by email to privacy@openproject.com within two weeks we will <u>not</u> migrate their data. For more information please have a look at [§ 8 "Sub-processors](https://www.openproject.org/legal/data-processing-agreement/#-8-sub-processors) in your DPA.
 
 ## Can I get a custom domain name instead of example.openproject.com?
 
@@ -60,7 +75,7 @@ Currently, there is unfortunately no option to export all the documents in OpenP
 
 Access to the database (including the PostgreSQL tables) is restricted for the Enterprise cloud edition due to technical and security reasons. Instead, you can use the OpenProject [API](../../../api) to both read and write data (where supported). If you require direct database access, you may want to take a look at the OpenProject [Enterprise on-premises edition](https://www.openproject.org/enterprise-edition) which you can run on your own server.
 
-## Can I use LDAP authentican in my Enterprise cloud environment?
+## Can I use LDAP authentication in my Enterprise cloud environment?
 
 You can use [LDAP authentication](../../../system-admin-guide/authentication/ldap-authentication/) in your cloud environment. **However**, usually LDAP servers will _not_ be exposed to the internet, which they have to be for this to work.
 Whitelisting IPs is no option since the OpenProject servers' IPs are not permanent and can change without notice.
diff --git a/docs/enterprise-guide/enterprise-cloud-guide/GDPR/DPA.png b/docs/enterprise-guide/enterprise-cloud-guide/gdpr-compliance/DPA.png
similarity index 100%
rename from docs/enterprise-guide/enterprise-cloud-guide/GDPR/DPA.png
rename to docs/enterprise-guide/enterprise-cloud-guide/gdpr-compliance/DPA.png
diff --git a/docs/enterprise-guide/enterprise-cloud-guide/GDPR/README.md b/docs/enterprise-guide/enterprise-cloud-guide/gdpr-compliance/README.md
similarity index 100%
rename from docs/enterprise-guide/enterprise-cloud-guide/GDPR/README.md
rename to docs/enterprise-guide/enterprise-cloud-guide/gdpr-compliance/README.md
diff --git a/docs/enterprise-guide/enterprise-cloud-guide/openproject-cloud-status/README.md b/docs/enterprise-guide/enterprise-cloud-guide/openproject-cloud-status/README.md
new file mode 100644
index 0000000000..a737363669
--- /dev/null
+++ b/docs/enterprise-guide/enterprise-cloud-guide/openproject-cloud-status/README.md
@@ -0,0 +1,74 @@
+---
+sidebar_navigation:
+  title: Cloud Status 
+  priority: 002
+description: Report of outages and degraded services for our cloud edition customers
+robots: index, follow
+keywords: cloud status, incidents
+---
+
+# OpenProject cloud status page
+
+On this page, we will report any outages and reports of degraded services for our cloud edition customers.
+
+* * *
+
+## Current issues
+
+–
+
+* * *
+
+## Past incidents
+
+### June 25, 2020
+
+We are currently seeing elevated response times and degraded performance. We are investigating the issue.
+
+* * *
+
+### September 11, 2018
+
+(13:20 - 13:50 UTC) During the latest deployment of OpenProject 8.0. on our cloud infrastructure, a migration was added to rename a specific table used for the new application. This migration turned out to run through significantly longer.
+
+* * *
+
+### May 26 - 27th, 2018
+
+(7:30 UTC) Services operating normally, root cause is being worked at.
+
+(1:00 UTC) One of the Aurora databases in our PostgreSQL cluster failed in an autovacuum operation scheduled to execute at nights (UTC + 2). A failover to the reader database happened, but not all web workers of the OpenProject cloud services reconnected correctly, resulting in consistently dropped connections during that night.
+
+* * *
+
+### April 25th, 2018
+
+(8:15 UTC) OpenProject email notifciation service has been restored.
+
+(7:28 UTC) We are aware of degradede mail notifications on our OpenProject Cloud Edition service due to a technical issue with our mail notification provider and are actively working on resolving it.
+
+* * *
+
+### April 20th, 2018
+
+(3:00 UTC) The OpenProject Cloud Edition is currently not available in Russia since the IP address is being blocked in connection with blocking Telegram ([more information](http://www.bbc.com/news/technology-43797176)).
+
+(3:00 UTC) The OpenProject Cloud Edition service is currently not available in Russia.
+
+* * *
+
+### April 16th, 2018
+
+(7:30 UTC) Services operating normally.
+
+(7:20 UTC) One of the Aurora databases in our PostgreSQL cluster denied new client connections, resulting in timeouts whenever new web workers were restarted (this is scheduled randomly after a few thousand requests). The instance however reported normal operation and in turn did not automatically failover by itself. Once the failing database was took out of the cluster and restarted, access returned to normal.
+
+(6:30 UTC) We're investigating page timeouts and incomplete responses returned to some of our cloud environment instances.
+
+* * *
+
+### March 14th, 2018
+
+(14:25 UTC) Services operating normally.
+
+(14:07 UTC) We're aware of occasional Gateway timeout responses from one of our load balancers.
diff --git a/docs/enterprise-guide/enterprise-on-premises-guide/enterprise-on-premises-faq/README.md b/docs/enterprise-guide/enterprise-on-premises-guide/enterprise-on-premises-faq/README.md
index 9e91134c9b..da9cd0168d 100644
--- a/docs/enterprise-guide/enterprise-on-premises-guide/enterprise-on-premises-faq/README.md
+++ b/docs/enterprise-guide/enterprise-on-premises-guide/enterprise-on-premises-faq/README.md
@@ -10,6 +10,11 @@ keywords: Enterprise on-premises FAQ, enterprise edition, self-hosted
 
 # Frequently asked questions (FAQ) for Enterprise on-premises
 
+## How can I test the OpenProject Enterprise on-premises?
+
+You can test the on-premises version 14 days for free by generating a free trial token on our [pricing site](https://www.openproject.org/pricing/). If you already have a Community edition installed, you can simply upgrade the existing installation with this token. It will automatically switch back to the Community version afterwards without any need for cancellation.
+
+If you do not yet have an own Community installation, the easiest way to test OpenProject is to create a 14 days free trial on our [Enterprise cloud](https://start.openproject.com/). If you want to proceed, you can then switch to a self-hosted version by choosing one of our [paid plans](https://www.openproject.org/pricing/).
 
 ## How can I upgrade from the Community to the Enterprise on-premises edition?
 
diff --git a/docs/faq/README.md b/docs/faq/README.md
index 51e039d84a..eb55643197 100644
--- a/docs/faq/README.md
+++ b/docs/faq/README.md
@@ -23,22 +23,6 @@ Welcome to the central overview of frequently asked questions for OpenProject.
 
 ## Learn more about OpenProject
 
-### What about data privacy, data security and GDPR conformity?
-
-Data protection and security are one of the main motivations for the development of this open source application. Thus, you have the possibility to move the OpenProject application including your data to your own infrastructure at any time. Unlike other cloud tools, you can also take a look at the software code and adapt it if necessary.
-
-For users who do not want to run OpenProject themselves, we offer a hosting product. Here we use subcontractors who are not based in the EU, too. We achieve compliance with the GDPR by using standard protection clauses (Art. 46 (2) (c) and (d) GDPR).
-A list of the subcontractors currently used in the Cloud Edition can be found here: [https://www.openproject.org/legal/data-processing-agreement/sub-processors/](https://www.openproject.org/legal/data-processing-agreement/sub-processors/)
-For our cloud product, we aim to completely eliminate subcontractors outside of the EU by the end of 2021. We have made a start by replacing Google Analytics with Matomo since 2020.
-You can also send us encrypted emails to privacy@openproject.com. You can find the corresponding GPG key here: [https://keys.openpgp.org/vks/v1/by-fingerprint/BDCFE01EDE84EA199AE172CE7D669C6D475339588](https://keys.openpgp.org/vks/v1/by-fingerprint/BDCFE01EDE84EA199AE172CE7D669C6D475339588)
-
-#### Is OpenProject Enterprise cloud GDPR compliant?
-
-The OpenProject cloud environment is hosted on a logically isolated virtual cloud at Amazon Web Services with all services being located in Ireland.
-AWS is a GDPR compliant cloud infrastructure provider with extensive security and compliance programs as well as unparalleled access control mechanisms to ensure data privacy.
-Employed facilities are compliant with the ISO 27001 and 27018 standards. The OpenProject cloud environment is continuously backing up user data with data at rest being fully encrypted with AES-256.
-Each individual instance is logically separated and data is persisted in a unique database schema, reducing the risk of intersection or data leaks between instances. Find out more about GDPR compliance on our [website](https://www.openproject.org/security-and-privacy/).
-
 ### How do I get access to the OpenProject premium features?
 We offer the premium functions of OpenProject (incl. boards) for two different OpenProject variants:
 
@@ -80,7 +64,7 @@ Terms and conditions regarding GPLv3 are available at [https://www.gnu.org/licen
 
 ### Is OpenProject free of charge?
 
-We offer three different versions of OpenProject. Please get an overview of the different OpenProject Editions [here](https://www.openproject.org/pricing/#compare).
+We offer three different versions of OpenProject. Please get an overview of the different OpenProject Editions [here](https://www.openproject.org/pricing/#features).
 
 The (on-premise) OpenProject Community edition is completely free. The Enterprise cloud and Enterprise on-premises edition offer premium features, hosting and support and thus we are charging for it. Nevertheless, we offer free 14 days trials for the Enterprise versions so that you can get to know their benefits. If you prefer to use the free OpenProject Community edition, you can follow these [installation instructions](https://www.openproject.org/download-and-installation/), please note that you need a Linux server to install the Community edition. It is always possible to upgrade from the Community to the Enterprise cloud and Enterprise on-premises edition – check out the premium features [here](https://www.openproject.org/enterprise-edition/#premium-features).
 
@@ -162,7 +146,7 @@ Please go to https://www.openproject.org/newsletter/ and submit your data to rec
 
 ## FAQ regarding features
 
-Please find information on the features of OpenProject [here](https://www.openproject.org/collaboration-software-features/) and a comparison between Enterprise on-premises, Enterprise cloud and Community Edition [here](https://www.openproject.org/pricing/#compare). The community platform to see and [issue](../development/submit-feature-idea/) feature ideas can be found [here](https://community.openproject.com).
+Please find information on the features of OpenProject [here](https://www.openproject.org/collaboration-software-features/) and a comparison between Enterprise on-premises, Enterprise cloud and Community Edition [here](https://www.openproject.org/pricing/#features). The community platform to see and [issue](../development/submit-feature-idea/) feature ideas can be found [here](https://community.openproject.com).
 
 ### Is it possible to use multiple languages in OpenProject?
 
diff --git a/docs/getting-started/boards-introduction/README.md b/docs/getting-started/boards-introduction/README.md
index b4b004d900..5dd512811b 100644
--- a/docs/getting-started/boards-introduction/README.md
+++ b/docs/getting-started/boards-introduction/README.md
@@ -12,10 +12,11 @@ keywords: Agile Boards
 This document provides an initial introduction to the boards in OpenProject, i.e. how to use a Kanban board to manage your tasks in an agile way.
 
 <div class="alert alert-info" role="alert">
-**Note**: The agile board is a premium feature and only available for [OpenProject Cloud Edition](https://www.openproject.org/hosting/) and [Enterprise Edition](https://www.openproject.org/enterprise-edition/) customers.
+**Note**: The agile board is a premium feature and only available for the [OpenProject Cloud Edition](https://www.openproject.org/hosting/) and the [Enterprise On-premises Edition](https://www.openproject.org/enterprise-edition/).
 </div>
 
 
+
 <div class="glossary">
 **Boards** in OpenProject enable agile project management, i.e. Kanban. Boards consist of lists (columns) with cards (work packages) on it. They help to visualize work, limit work-in-progress, and maximize efficiency (or flow).
 </div>
@@ -40,7 +41,7 @@ You can create as many flexible boards as you want with both lists and cards on
 
 ## Manage your work in a Board
 
-To manage your work in an agile board, open the Boards module in the project menu.
+To manage your work in an agile board, open the boards module in the project menu.
 
 1. Choose a board from the list where you want to work on. Open it by double clicking on the board's title.
 2. You can prioritize cards within a list via drag and drop.
diff --git a/docs/getting-started/boards-introduction/edit-boards.gif b/docs/getting-started/boards-introduction/edit-boards.gif
index 149c9407dc..fdcd0a5d4e 100644
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diff --git a/docs/getting-started/gantt-chart-introduction/Activate-Gantt-chart.png b/docs/getting-started/gantt-chart-introduction/Activate-Gantt-chart.png
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diff --git a/docs/getting-started/gantt-chart-introduction/README.md b/docs/getting-started/gantt-chart-introduction/README.md
index 79b5185e8d..c023d2335e 100644
--- a/docs/getting-started/gantt-chart-introduction/README.md
+++ b/docs/getting-started/gantt-chart-introduction/README.md
@@ -12,7 +12,7 @@ keywords: Gantt charts introduction
 In this document you will get a first introduction to the Gantt charts in OpenProject, i.e. to create and manage a project plan.
 
 <div class="glossary">
-**Gantt charts** in OpenProject are defined as a type of bar chart that shows all the tasks constituting a project. Tasks are listed vertically, with the horizontal axis marking time. The lengths of task bars are to scale with task durations.
+**Gantt charts** in OpenProject are defined as a type of bar chart that shows all the tasks constituting a project. The tasks are listed vertically, with the horizontal axis indicating the time. The length of the task bars is adjusted to the duration of the task.
 </div>
 
 To find out more about the functionalities for Gantt charts, please visit our [user guide for Gantt charts](../../user-guide/gantt-chart).
@@ -30,15 +30,15 @@ To find out more about the functionalities for Gantt charts, please visit our [u
 
 With Gantt charts in OpenProject you can create and manage a project plan and share the information with your team. You can schedule your tasks and visualize the required steps to complete your project. As a project manager you are directly informed about delays in your project and can act accordingly.
 
-The dynamic Gantt chart in OpenProject displays the phases and milestones in your project as well as relationships between them. Each element in the timeline has both a start as well as a finish date so you are always informed about the current status.
+The dynamic Gantt chart in OpenProject displays the phases, tasks and milestones in your project as well as relationships between them. The elements for phases and tasks each have a start and end date, so you are always informed about the current status. The milestone only appears as a fixed point in time.
 
 ## Activate the Gantt chart view
 
-To open the Gantt chart view in OpenProject, the [work packages module needs to be activated](../projects/#advanced-project-settings) in the project settings.
+To open the Gantt chart view in OpenProject, the [work packages module needs to be activated](../../user-guide/activity) in the project settings.
 
 Within your project menu, navigate to the work packages module. Select the **Gantt chart view** in the work package list with the button on the top right.
 
-![Activate-Gantt-chart](Activate-Gantt-chart.png)
+![open the gantt chart view](gantt-chart-view.png)
 
 You can activate a Gantt chart view from any work package list (or saved query) by selecting the Gantt view from the top.
 
@@ -48,15 +48,15 @@ It shows dependencies between different work packages as well as additional info
 
 ## Create a project plan
 
-To create a project plan in OpenProject, activate the work package module and select the [Gantt chart view](#activate-the-gantt-chart-view).
+To create a project plan in OpenProject, switch to the work package table and select the [Gantt chart view](#activate-the-gantt-chart-view).
 
-You can create new work packages directly in the list by clicking on the **create new work package** link at the bottom of the list. You can change the work package type or other attributes directly in the list view.
+You can create new work package directly in the list by clicking on the **create new work package** link at the bottom of the list. You can change the work package type or other attributes directly in the list view.
 
-Click in the Gantt chart to add an element in the project plan.
+Click in the at the level of the line of the work package you want to map in the Gantt chart to add an element in the project plan. 
 
 You can change the duration or move the element in the project plan via drag and drop.
 
-![create-projectplan](create-projectplan-1571743591204.gif)
+![create projectplan](create-projectplan-1571743591204.gif)
 
 ## Edit a project plan
 
@@ -65,5 +65,5 @@ You can edit a project plan by clicking directly in the list and change work pac
 To change the start and end date or the duration of a work package, click directly in the Gantt chart and change it via drag and drop.
 All changes will also be tracked in the work packages [Activity](../../user-guide/activity).
 
-![edit-projectplan](edit-projectplan.gif)
+![edit the projectplan](edit-projectplan.gif)
 
diff --git a/docs/getting-started/gantt-chart-introduction/create-projectplan-1571743591204.gif b/docs/getting-started/gantt-chart-introduction/create-projectplan-1571743591204.gif
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diff --git a/docs/getting-started/invite-members/Invite-user-assignee.png b/docs/getting-started/invite-members/Invite-user-assignee.png
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diff --git a/docs/getting-started/invite-members/README.md b/docs/getting-started/invite-members/README.md
index da07b2951e..4e1a289f05 100644
--- a/docs/getting-started/invite-members/README.md
+++ b/docs/getting-started/invite-members/README.md
@@ -12,14 +12,13 @@ keywords: invite members, add users
 In order to see a project and work in it, you have to be a member of a project. Therefore, you have to **add team members to a project**.
 
 <div class="glossary">
-**Member** is defined as a project member in a project. Project members are added in the Members module in the project settings.
+**Member** is defined as a project member in a project. Project members are added in the Members module in the project menu.
 </div>
 <div class="alert alert-info" role="alert">
 **Note**: If you are not a member of a project, you do not see the project in the Project selection nor in the project list.
 </div>
 
 
-
 | Topic                                                        | Content                                                      |
 | ------------------------------------------------------------ | ------------------------------------------------------------ |
 | [View members](#view-members)                                | View the list of members in your project.                    |
@@ -34,9 +33,7 @@ In order to see a project and work in it, you have to be a member of a project.
 
 To view the list of **all project members and their roles** in the project, select Members in the project menu.
 
-![project-member-list](image-20210305192605943.png)
-
-
+![invite members](invite-members.png)
 
 ## Add existing users
 
@@ -50,7 +47,7 @@ Type the name of the user, placeholder user or group which you want to add. You
 
 Please note that you will have to click on the new member's name or press the Enter key before clicking the Add button.
 
-![add-members](1566224199456.png)
+![search bar for member selection invite members](search-bar-invite-members.png)
 
 ## Invite new members
 
@@ -64,25 +61,23 @@ Type in the email address of the new member. If OpenProject does not find an exi
 
 An email invitation will be sent out to the user with a link to [create an account](../sign-in-registration/#create-a-new-account) for OpenProject.
 
-![invite-new-members](1566224961670.png)
+![invite new member via email in the members module](invite-new-member-via-email.png)
 
 **Invite from header**
 
-In the header menu that is always present, you find a green button that allows you to invite users from wherever in the application you are.
+In the header menu that is always present, you find a green button that allows you to create projects, work packages and invite users from wherever in the application you are.
 
-![invite-user-home](invite-user-home.png)
+![green button for project creation](create-project-button.png)
 
 Once clicked on **Invite user**, a pop up comes up where you decide to which project you invite the new members and which roles they get.
 
-![invite-user-pop-up](invite-user-pop-up.png)
+![invite user pop up](invite-user-pop-up.png)
 
 **Invite within a work package**
 
 When you are working in the work package list, you can also invite users from there. For example when you want to set an assignee for a work package that has not got access to OpenProject yet, you can select Invite from the drop down. The same applies to accountables or custom fields for your project.
 
-![Invite-user-assignee](Invite-user-assignee.png)
-
-
+![invite user over assignment](invite-user-over-assignment.png)
 
 You can now collaborate with your team in OpenProject. Newly invited users will be shown with a letter symbol next to their name.
 
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diff --git a/docs/getting-started/my-account/README.md b/docs/getting-started/my-account/README.md
index ef490fdb8e..275a5bb88d 100644
--- a/docs/getting-started/my-account/README.md
+++ b/docs/getting-started/my-account/README.md
@@ -11,17 +11,17 @@ keywords: my account, account settings, change language, Deutsch
 
 Change your personal settings in My account. Here you can adapt, e.g. the language, edit notifications, or add an avatar.
 
-| Topic                                                                                         | Content                                                      |
-|-----------------------------------------------------------------------------------------------| ------------------------------------------------------------ |
-| [Open My account settings](#open-my-account-settings)                                         | How to open your personal settings in OpenProject            |
-| [Change password](#change-password)                                                           | How to change my password                                    |
-| [Edit your user information](#edit-your-user-information)                                     | How to change the name or email address in OpenProject       |
+| Topic                                                        | Content                                                      |
+| ------------------------------------------------------------ | ------------------------------------------------------------ |
+| [Open My account settings](#open-my-account-settings)        | How to open your personal settings in OpenProject            |
+| [Change password](#change-password)                          | How to change my password                                    |
+| [Edit your user information](#edit-your-user-information)    | How to change the name or email address in OpenProject       |
 | [Profile settings: change your language, time zone or display of comments](#profile-settings) | How to change the language, time zone or display of comments in OpenProject |
-| [Two-factor authentication](#two-factor-authentication-premium-feature)                       | How to set up a two-factor authentication         |
-| [Notifications settings](#notifications-settings)                                             | How to change in-app notifications in OpenProject            |
-| [Email reminders](#email-reminders)                                                           | How to change email reminders sent by OpenProject            |
-| [Set an Avatar](#set-an-avatar)                                                               | How to set an avatar in OpenProject and change the profile picture |
-| [Delete account](#delete-account)                                                             | How to delete my own account                                 |
+| [Two-factor authentication](#two-factor-authentication-premium-feature) | How to set up a two-factor authentication                    |
+| [Notifications settings](#notifications-settings)            | How to change in-app notifications in OpenProject            |
+| [Email reminders](#email-reminders)                          | How to change email reminders sent by OpenProject            |
+| [Set an Avatar](#set-an-avatar)                              | How to set an avatar in OpenProject and change the profile picture |
+| [Delete account](#delete-account)                            | How to delete my own account                                 |
 
 ## Open My account settings
 
@@ -29,7 +29,7 @@ To open your personal settings in OpenProject, click on your user icon in the to
 
 Choose **My account**.
 
-![my-account](my-account.png)
+![my account profil information](my-account-profil.png)
 
 ## Change password
 
@@ -41,7 +41,7 @@ Enter your new password and confirm it a second time.
 
 Press the blue **Save** button in order to confirm the password changes.
 
-![change password](1572880507527.png)
+![my account change password](my-account-change-password.png)
 
 <div class="alert alert-info" role="alert">
 Note: You cannot reset your Google password in OpenProject. If you authenticate with a Google/Gmail account, please go to your Google account administration in order to change your password.
@@ -61,7 +61,7 @@ Also, you can activate a **warning if you are leaving a work package with unsave
 
 Additionally, you can activate to **auto-hide success notifications** from the system. This (only) means that the green pop-up success notifications will be removed automatically after five seconds.
 
-![profile-settings](profile-settings.png)
+![my account settings](profile-settings.png)
 
 ### Change your language
 
@@ -69,7 +69,7 @@ To change the language in OpenProject, navigate to the **My account** settings a
 
 Here you can choose between multiple languages.
 
-![select a language](1572882728878.png)
+![my account change language of user](my-account-change-language-of-user.png)
 
 OpenProject is translated to more than 30 languages, like German, Chinese, French, Italian, Korean, Latvian, Lithuanian, Polish, Portuguese, Russian, Spanish, Turkish and many more. If you do not see your preferred language in the My account settings, the language needs to be activated by your system administrator in the [system's settings](../../system-admin-guide/system-settings/display-settings).
 
@@ -81,7 +81,7 @@ If you want to help us to add further languages or to add the translations in yo
 
 You can choose a time zone in which you work and how the comments and changes will be saved.
 
-![time zone](1572882881007.png)
+![my account change time zone](my-account-change-time-zone.png)
 
 Pressing the blue **Save** button will save your changes.
 
@@ -91,36 +91,25 @@ You can select the order of the comments (for example of the comments for a work
 
 If you choose newest first the latest comment will appear on top in the Activity list.
 
-![order-to-display-comments](order-to-display-comments.png)
+![my account settings comments](order-to-display-comments.png)
 
 ### Backlogs settings
 
-There are two personal settings available for the [Backlogs module](../../user-guide/backlogs-scrum):
-**Task color**: Here you can enter the color in which your tasks on the task board (on the Backlogs page) are displayed. Tasks on the task board are color-coded based on who they are assigned to. Every user has a default color assigned but if you prefer a different color, you can change it here.
+There are two personal settings available for the [Backlogs module](../../user-guide/backlogs-scrum/):
+**Task color**: Here you can enter the color in which your tasks on the task board (on the Backlogs page) are displayed. Tasks on the task board are color-coded based on who they are assigned to. Every user has a default color assigned but if you prefer a different color, you can change it.
 **Show versions folded**: When you navigate to the "Backlogs" module in a project, the available versions (e.g. Product backlog, Sprints) are displayed. By default they are expanded, i.e. all work packages included in those versions are shown right away. If you have a large number of versions that are shown on the "Backlogs" page, you may opt to collapse them by default. This way you see all the versions on a page and can then choose to expand those versions for which you want to see details.
 
 ## Two-factor authentication (Premium feature)
 
 In order to activate the two-factor authentication for your OpenProject installation, navigate to your **My account** and choose the **Two-factor authentication** in the menu.
 
-![Two-factor authentication](1571992032476.png)
+![two factor authentication](two-factor-authentication.png)
 
 In order to register a new device for two-factor authentication, lick the green button to add a **new 2FA device**.
 
-You can either use your mobile phone number to receive the second factor via SMS. Or you can register to use an app-based authenticator, such as Google Authenticator or Authy.
+To receive the second factor, you can use an authentication app on your mobile phone, such as Google Authenticator or Authy. You have to enter the code that is displaed in the authentication app to your login.
 
-![add new 2fa device](1572876883531.png)
-
-### Register your mobile phone number for delivery of OpenProject one-time passwords.
-
-To register your phone number to receive a one time password via SMS, click on the **Register device** button under the **Use your mobile phone** section.
-
-- Choose an identifier how you want your phone to be named.
-- Enter your phone number in the following format.
-
-![two-factor authentication](1572878991958.png)
-
-Press the blue **Continue** button to confirm your device.
+![app-based-autentication](app-based-autentication.png)
 
 ### Backup codes
 
@@ -144,9 +133,9 @@ Click the blue **Continue** button to finish the registration.
 
 **My account > Notification settings**
 
-In-app notifications can be configured and customized various ways. For a detailed guide, [click here](../../user-guide/notifications/notification-settings).
+In-app notifications can be configured and customized various ways. For a detailed guide, [click here](../../user-guide/notifications/notification-settings/).
 
-Please also see our detailed [in-app notifications](../../user-guide/notifications) guide to gain a general understanding.
+Please also see our detailed [in-app notifications](../../user-guide/notifications/) guide to gain a general understanding.
 
 ## Email reminders
 
@@ -158,19 +147,19 @@ You can choose between several email reminders.
 
 Default: Enable daily email reminders: 2am, Monday - Friday.
 
-You can choose to receive emails immediately, or only on certain days and times, temporarily pause reminder emails, or opt for no reminders at all. 
+You can choose to receive emails immediately, or only on certain days and times, temporarily pause reminder emails, or opt for no reminders at all.
 
-![Email reminders](EmailNotificationsv12.png)
+![set email reminders](email-reminders.png)
 
 You can also opt-in to receive **email alerts for other items (that are not work packages)** whenever one of your project members:
 
-- **News added** - ...adds or updates news in the [News Page](../../user-guide/news)
+- **News added** - ...adds or updates news in the [News Page](../../user-guide/news/)
 - **Comment on a news item** - ...adds a comment on a news item
 - **Documents added** - ...adds a document somewhere in the project (i.e. a work package)
-- **New forum message** - ...sends a new message into the [forum](../../user-guide/forums/)
-- **Wiki page added** - ...adds a new [Wiki page](../../user-guide/wiki)
-- **Wiki page updated** - ...updates a [Wiki page](../../user-guide/wiki)
-- **Membership added** - ...adds you to a new work package
+- **New forum message** - ...sends a new message into the [Forum](../../user-guide/forums/)
+- **Wiki page added** - ...adds a new [Wiki page](../../user-guide/wiki/)
+- **Wiki page updated** - ...updates a [Wiki page](../../user-guide/wiki/)
+- **Membership added** - ...adds you to a new [Work package](../work-packages-introduction/)
 - **Membership updates** - ...updates your membership associations
 
 ## Set an avatar
@@ -184,10 +173,7 @@ Also, you can upload a **Custom Avatar** by choosing a Avatar to be uploaded fro
 <div class="alert alert-info" role="alert">
 Note: The optimum size to upload a new profile picture is 128 by 128 pixel. Larger files will be cropped.
 </div>
-
-![Avatar](1571844887353.png)
-
-
+![change your avatar](change-avatar.png)
 
 # Delete account
 
@@ -197,7 +183,7 @@ If you cannot see the entry **Delete account** in the **My account** side menu,
 
 To delete your account, select **Delete account** from the side menu and enter your login to confirm the deletion.
 
-![delete account](1572881984371.png)
+![delete your account](delete-account.png)
 
 <div class="alert alert-info" role="alert">
 Important: Deleting a user account is permanent and cannot be reversed.
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diff --git a/docs/getting-started/my-page/My-page-default-view.png b/docs/getting-started/my-page/My-page-default-view.png
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index 0000000000..e2e88cb89d
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diff --git a/docs/getting-started/my-page/README.md b/docs/getting-started/my-page/README.md
index cb4b2cb5d1..4b5f9265d0 100644
--- a/docs/getting-started/my-page/README.md
+++ b/docs/getting-started/my-page/README.md
@@ -23,11 +23,11 @@ My Page is your personal dashboard where you can display important information o
 
 You can open your **My page** by clicking on your user avatar in the upper right corner and then selecting **My page** from the dropdown menu.
 
-![my page](1572883536495.png)
+![navigate to my page](navigate-to-my-page.png)
 
 As a default, you will see two lists of all **work packages assigned to you** and **work packages created by you** from all your projects.
 
-![my page default](1572883652812.png)
+![My-page-default-view](My-page-default-view.png)
 
 
 
@@ -41,7 +41,7 @@ The dashboard shows the places where it is possible to add more widgets by displ
 
 Press a plus icon to add a widget to My Page at the according place.
 
-![my-page-add-widget](my-page-add-widget.png)
+![my page add widget](my-page-add-widget.png)
 
 Once you have chosen the place where to add the new widget on My Page, you can choose from a number of different widgets that can be included on your dashboard.
 
@@ -56,24 +56,24 @@ You can change the position of a widget on the dashboard with drag and drop.
 
 Click the dots next to the title and drag it to the new place.
 
-![add-widget-my-page](add-widget-my-page2.gif)
+![Move-widget](Move-widget.png)
 
 ### Change the size of a widget
 
 If you click the dots on the lower right hand corner in a widget you can change the size of a widget by pulling the widget left and right, up and down with the mouse.
 
-![change-size-widget](change-size-widget-1572946246580.gif)
+
 
 ### Configure the view of a widget (for work package tables)
 
 You can configure the view of a work package widget to have the information included that you need.
 
 <div class="glossary">
-**Work package** is a subset of a project that can be assigned to users for execution, such as Tasks, Bugs, User Stories, Milestones, and more. Work packages have a type, an ID and a subject and may have additional attributes, such as assignee, responsible, story points or target version. Work packages are displayed in a projects timeline (unless they are filtered out in the timeline configuration) - either as milestone or as phase. In order to use the work packages, the work package module has to be activated in the project settings.
+**Work package** is a subset of a project that can be assigned to users for execution, such as Tasks, Bugs, User Stories, Milestones, and more. Work packages have a type, an ID and a subject and may have additional attributes, such as assignee, responsible, story points or target version. Work packages are displayed in a project timeline (unless they are filtered out in the timeline configuration) - either as a milestone or as a phase. In order to use the work packages, the work package module has to be activated in the project settings.
 </div>
-​          
+![change the size of a widget](change-size-of-widget.gif)          
 
-On a work package widget, click the three dots and select **Configure view...**
+On a work package widget, click on the button with the three dots and select **Configure view...**
 
 You can configure the work package table (e.g. filter, group, highlight, sort) according to the [filter, sorting and grouping criteria for work packages](../../user-guide/work-packages/work-package-table-configuration/). 
 
@@ -83,7 +83,7 @@ You can configure the work package table (e.g. filter, group, highlight, sort) a
 
 To delete a widget from the dashboard, click on the three dots in the upper right corner of the widget and select **Remove widget**.
 
-![my-page-remove-widget](my-page-remove-widget.png)
+![my page remove widget](my-page-remove-widget.png)
 
 ## My spent time widget
 
@@ -93,4 +93,4 @@ You can directly create new time entries by clicking on the day, change the date
 
 Watch the short video to see how to activate the spent time widget, add spent time, edit spent time (e.g. change the date or work packages or change the time booked) and delete spent time.
 
-![my-page-time-log](my-page-time-log.gif)
+![my pagetime log](my-page-time-log.gif)
diff --git a/docs/getting-started/my-page/Spent-time-widget-1581590068000.gif b/docs/getting-started/my-page/Spent-time-widget-1581590068000.gif
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diff --git a/docs/getting-started/openproject-introduction/README.md b/docs/getting-started/openproject-introduction/README.md
index ee34dc8ffa..87fe420c09 100644
--- a/docs/getting-started/openproject-introduction/README.md
+++ b/docs/getting-started/openproject-introduction/README.md
@@ -61,10 +61,10 @@ OpenProject supports the initial set-up and configuration of a project structure
 
 | Features                   | Documentation for                                            |
 | -------------------------- | ------------------------------------------------------------ |
-| [Create a new project](#create-a-new-project)       | Create and set up a new project in OpenProject              |
-| [Set up a project structure](#project-structure) | Create a project hierarchy to structure your work in OpenProject |
-| [Project settings](#project-settings)            | Create first ideas, tasks, rough milestones.                 |
-| [Add members](#add-members)            | Invite your team to collaborate in OpenProject.              |
+| [Create a new project](../projects/#create-a-new-project)       | Create and set up a new project in OpenProject              |
+| [Set up a project structure](../../user-guide/projects/#project-structure) | Create a project hierarchy to structure your work in OpenProject |
+| [Project settings](../../user-guide/projects/#project-settings)            | Create first ideas, tasks, rough milestones.                 |
+| [Add members](../invite-members/)            | Invite your team to collaborate in OpenProject.              |
 
 ### Project definition and planning
 
@@ -72,9 +72,9 @@ Create a project overview with more detailed information, set up your project pl
 
 | Features            | Documentation for                                            |
 | ------------------- | ------------------------------------------------------------ |
-| [Global projects overview](#global-projects-overview---view-all-projects)    | Create a project overview with important project information. |
-| [Structure your work](#work-packages) | Create work packages and structure your work                 |
-| [Roadmap planning](#gantt-chart)    | Create a roadmap for your project.                           |
+| [Global projects overview](../../user-guide/)    | Create a project overview with important project information. |
+| [Structure your work](../work-packages-introduction/) | Create work packages and structure your work                 |
+| [Roadmap planning](../gantt-chart-introduction/)    | Create a roadmap for your project.                           |
 
 ### Project launch or execution
 
@@ -82,11 +82,11 @@ Manage all project activities, such as tasks, deliverables, risks, features, bug
 
 | Features      | Documentation for                                            |
 | ------------- | ------------------------------------------------------------ |
-| [Work packages](#create-work-package)             | Create and manage all project deliverables, tasks, features, risks, and more. |
-| [Boards](#agile-boards)        | Manage your work with an Agile approach in the flexible boards view. |
-| [Meetings](#meetings)      | Plan and document your project meetings and share minutes with all your team. |
-| [News](#news)          | Share project news with your team.                           |
-| [Wiki](#wiki)          | Document all important project information and keep it up to date with your team. |
+| [Work packages](../../user-guide/work-packages/create-work-package/)             | Create and manage all project deliverables, tasks, features, risks, and more. |
+| [Boards](../../user-guide/agile-boards/)        | Manage your work with an Agile approach in the flexible boards view. |
+| [Meetings](../../user-guide/meetings/)      | Plan and document your project meetings and share minutes with all your team. |
+| [News](../../user-guide/news/)          | Share project news with your team.                           |
+| [Wiki](../../user-guide/wiki/)          | Document all important project information and keep it up to date with your team. |
 
 ### Project performance and control
 
@@ -94,11 +94,11 @@ Create and manage project budgets, track and evaluate time and costs. Have custo
 
 | Features                | Documentation for                                            |
 | ----------------------- | ------------------------------------------------------------ |
-| Dashboard               | Visualize your progress within a project or project overarching. |
-| Budgets                 | Create and manage budgets in your project.                   |
-| Time tracking           | Track time for any work within your project.                 |
-| Track unit costs        | Track unit costs for your project.                           |
-| Time and cost reporting | Have accurate detailed reports of current spent time and costs within your project. |
+| [Dashboard](../../user-guide/start-page/)               | Visualize your progress within a project or project overarching. |
+| [Budgets](../../user-guide/budgets/)                 | Create and manage budgets in your project.                   |
+| [Time tracking](../../user-guide/time-and-costs/time-tracking/)           | Track time for any work within your project.                 |
+| [Track unit costs](../../user-guide/time-and-costs/cost-tracking/)        | Track unit costs for your project.                           |
+| [Time and cost reporting](../../user-guide/time-and-costs/reporting/) | Have accurate detailed reports of current spent time and costs within your project. |
 
 ### Project close
 
@@ -106,8 +106,8 @@ Document project achievements, lessons learned, best practices and easily summar
 
 | Features        | Documentation for                                            |
 | --------------- | ------------------------------------------------------------ |
-| Wiki            | Document all relevant project information, lessons learned, best practices, results, and more. |
-| Project archive | Archive your project for further reference and documentation. |
+| [Wiki](../../user-guide/wiki/create-edit-wiki/)            | Document all relevant project information, lessons learned, best practices, results, and more. |
+| [Project archive](../../user-guide/projects/#archive-a-project) | Archive your project for further reference and documentation. |
 
 ## OpenProject products
 
diff --git a/docs/getting-started/projects/1566292163068.png b/docs/getting-started/projects/1566292163068.png
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diff --git a/docs/getting-started/projects/Create-project-home-screen.png b/docs/getting-started/projects/Create-project-home-screen.png
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diff --git a/docs/getting-started/projects/README.md b/docs/getting-started/projects/README.md
index bbc718a39e..aecdfe2aec 100644
--- a/docs/getting-started/projects/README.md
+++ b/docs/getting-started/projects/README.md
@@ -4,7 +4,7 @@ sidebar_navigation:
   priority: 900
 description: Introduction to projects in OpenProject.
 robots: index, follow
-keywords: open project, create project, project introduction
+keywords: open project, create project, projects introduction
 ---
 # Projects introduction
 
@@ -46,25 +46,24 @@ Projects and subprojects are displayed according to their hierarchy in the drop-
 
 Also, you will see your newest projects on the application landing page in the **Projects** section. Here you can simply click on one of the newest visible projects to open it.
 
-![open-project](1566292163068.png)
-
-
+![openproject landing page](openproject-landing-page.png)
 
 ## Create a new project
 
 To create a new project, click the green button **+ Project** directly on the system's home screen in the **Project** section.
 
-![Create-project-home-screen](Create-project-home-screen.png)
+![create a new project over the landing page](create-a-new-project-landing-page.png)
 
 Alternatively, you can use the green **+ button** in the header menu to create a new project.
 
-![create-project-header](create-project-header.png)
+![create project header](create-project-header.png)
 
-- You can either create a completely new project, create a subproject of an existing project or create a (sub)project from a template. For the latter option, choose a [template](../../user-guide/projects/#create-a-project-template-premium-feature) using the drop-down menu.
-- Enter a **name** for your project and click the blue **Create** button.
+- You can either create a completely new project, create a subproject of an existing project or create a (sub)project from a template. For the latter option, choose a [template](../../user-guide/projects/#create-a-project-template) using the drop-down menu.
+- Enter a **name** for your project and click the blue **Save** button.
+- Integrate the project into the existing project hierarchy by defining it as a subproject of an existing project.
 - The **Advanced Settings** allow for further configuration, e.g. description, URL, etc.
 
-![image-20200921122508132](image-20200921122508132.png)
+![name your project](name-your-project.png)
 
 By default, creating a new project will set you as project admin, regardless of whether you copied a project, used a template or created a project from scratch. Now, you can get started working on your project.
 
@@ -74,13 +73,11 @@ To configure further project information, see the documentation for [project set
 
 To view all your projects in which you are a member, click on the **View all projects** link in the **Select a project** drop-down menu.
 
-![view_all_projects](view_all_projects.png)
+![view all projects](view_all_projects.png)
 
 You will see a list with all your projects and their details.
 
-![view all projects](1569490488827.png)
-
-
+![project overview list](project-overview-list.png)
 
 ## Advanced Project Settings
 
diff --git a/docs/getting-started/projects/create-a-new-project-landing-page.png b/docs/getting-started/projects/create-a-new-project-landing-page.png
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diff --git a/docs/getting-started/projects/openproject-landing-page.png b/docs/getting-started/projects/openproject-landing-page.png
new file mode 100644
index 0000000000..3413c5b565
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diff --git a/docs/getting-started/projects/project-overview-list.png b/docs/getting-started/projects/project-overview-list.png
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index 0000000000..88139c7edd
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diff --git a/docs/getting-started/sign-in-registration/README.md b/docs/getting-started/sign-in-registration/README.md
index 27cb621b6e..9cf953c45e 100644
--- a/docs/getting-started/sign-in-registration/README.md
+++ b/docs/getting-started/sign-in-registration/README.md
@@ -31,6 +31,8 @@ Here you will get an overview how to sign in and register to an existing OpenPro
 
 To sign in to an OpenProject installation with an existing account, please enter the URL of your OpenProject in a modern browser, e.g. documentation.openproject.com.
 
+![modern-browser-searchbar](modern-browser-searchbar.png)
+
 Type in your user name and password in the respective fields and click the blue Sign in button. You will then be signed in to your OpenProject environment.
 
 ![Sign-in to OpenProject](1565974792215.png)
diff --git a/docs/getting-started/sign-in-registration/modern-browser-searchbar.png b/docs/getting-started/sign-in-registration/modern-browser-searchbar.png
new file mode 100644
index 0000000000..df771a0607
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diff --git a/docs/getting-started/work-packages-introduction/1569611758166.png b/docs/getting-started/work-packages-introduction/1569611758166.png
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diff --git a/docs/getting-started/work-packages-introduction/README.md b/docs/getting-started/work-packages-introduction/README.md
index ff9b361766..774c87592b 100644
--- a/docs/getting-started/work-packages-introduction/README.md
+++ b/docs/getting-started/work-packages-introduction/README.md
@@ -30,9 +30,9 @@ A work package in OpenProject can basically be everything you need to keep track
 
 To get started, create a new work package in your project, [open the project](../projects/#open-an-existing-project) with the project drop-down menu, navigate to the **module work packages** in the project menu.
 
-Within the work packages module, click the green + Create button to create a new work package. In the drop down menu, choose which type of work package you want to create, e.g. a task or a milestone.
+Within the work packages module, click the green + Create button to create a new work package. In the drop down menu, choose which type of work package you want to create, e.g. a task or a milestone. To create a new work package, you can also select the blue printed + Create a new workpackage writing.
 
-![create-work-package](create-work-package-1569611257373.png)
+![create-a-new-workpackage](create-a-new-workpackage.png)
 
 A split screen view is opened with the new work package form on the right and the list of already existing work packages on the left.
 
@@ -42,11 +42,11 @@ In the empty form on the right, you can enter all relevant information for this
 
 Click the green **Save** button to create the work package.
 
-![split-screen-work-packages](split-screen-work-packages.png)
+![split-screen-workpackages](split-screen-workpackages.png)
 
 The work package will the be displayed in the list view:
 
-![list-view-work-package](1569611758166.png)
+ ![create-work-package-define-project](create-work-package-define-project-6669224.png)
 
 Another option to create a work package is to do it from the header menu. The [work package types](../../user-guide/projects/project-settings/work-package-types/#work-package-types) that are activated, will be shown and you can select the relevant work package type to be created.
 
@@ -54,7 +54,7 @@ Another option to create a work package is to do it from the header menu. The [w
 
 Once you click on the work package type that you want to create, the work package detail view opens and you have to **select the project** that you want to create the work package for. 
 
-![create-work-package-define-project](create-work-package-define-project.png)
+![create and name work package](create-work-package.png)
 
 Then you follow the same steps as mentioned above to fill in the your work package attributes and save it.
 
@@ -84,7 +84,7 @@ You can also insert a comment at the end of the Activity list.
 
 ![activity-work-packages](activity-work-packages.png)
 
-The aggregation of changes in the Activity list can be configured in the [system administration](../../system-admin-guide/system-settings/display-settings/#time-and-date-formatting-aggregation-of-changes-in-activity).
+To notify other people about changes in your work packages activities, you can comment and type an @" infront of the username you want to inform and when you publish your message the person you have tagged will get a notification in OpenProject. The aggregation of changes in the Activity list can be configured in the [system administration](../../system-admin-guide/system-settings/display-settings/#time-and-date-formatting-aggregation-of-changes-in-activity).
 
 To find out more about the work package functionalities, please visit our detailed [user guide for work packages](../../user-guide/work-packages).
 
diff --git a/docs/getting-started/work-packages-introduction/create-a-new-workpackage.png b/docs/getting-started/work-packages-introduction/create-a-new-workpackage.png
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diff --git a/docs/installation-and-operations/README.md b/docs/installation-and-operations/README.md
index b4413da236..505c5c4cd9 100644
--- a/docs/installation-and-operations/README.md
+++ b/docs/installation-and-operations/README.md
@@ -7,7 +7,7 @@ robots: index, follow
 
 # Installation & operations guide
 
-This page summarizes the options for getting OpenProject, some hosted and some on-premise. With this information you should be able to decide what option is best for you. Find a full feature comparison [here](https://www.openproject.org/pricing/#compare).
+This page summarizes the options for getting OpenProject, some hosted and some on-premise. With this information you should be able to decide what option is best for you. Find a full feature comparison [here](https://www.openproject.org/pricing/#features).
 
 ### On-premises
 
@@ -24,7 +24,7 @@ This page summarizes the options for getting OpenProject, some hosted and some o
 
 All editions can be enhanced by adding **[the BIM module](https://www.openproject.org/bim-project-management/)**, including features for construction project management, i.e. 3D model viewer, BCF management. See how to [switch to that edition](changing-to-bim-edition) in the documentation or how to start a [BIM cloud edition](https://start.openproject.com/go/bim).
 
-Compare the features of these versions [on the website](https://www.openproject.org/pricing/#compare). The Community edition can easily be upgraded to the Enterprise edition.
+Compare the features of these versions [on the website](https://www.openproject.org/pricing/#features). The Community edition can easily be upgraded to the Enterprise edition.
 
 * **Development** - OpenProject is open source; if you want to help with the code, check the [development instructions](../development/) and install a [development environment.](../development/#additional-resources)
 
diff --git a/docs/installation-and-operations/installation/manual/README.md b/docs/installation-and-operations/installation/manual/README.md
index 5be75dfa9b..f1d6f9c588 100644
--- a/docs/installation-and-operations/installation/manual/README.md
+++ b/docs/installation-and-operations/installation/manual/README.md
@@ -232,9 +232,9 @@ prevents you from such errors.
 
 **NOTE:** When not specified differently, the default data loaded via db:seed will have an english localization. You can choose to seed in a different language by specifying the language via the `LOCALE` environment variable on the call to `db:seed`. E.g.
 ```bash
-[openproject@all] RAILS_ENV="production" LOCALE=fr ./bin/rake db:seed
+[openproject@all] RAILS_ENV="production" OPENPROJECT_SEED_LOCALE=fr ./bin/rake db:seed
 ```
-will seed the database in the french language.
+will seed the database in the french language. A large portion of the seed data is only available in english, however.
 
 ### Secret token
 
diff --git a/docs/release-notes/10-4-0/OpenProject-BIM_slice-objects.gif b/docs/release-notes/10-4-0/OpenProject-BIM_slice-objects.gif
index 9b5fd2fddc..bc5520c322 100644
Binary files a/docs/release-notes/10-4-0/OpenProject-BIM_slice-objects.gif and b/docs/release-notes/10-4-0/OpenProject-BIM_slice-objects.gif differ
diff --git a/docs/release-notes/11-0-0/Top-down-scheduling.gif b/docs/release-notes/11-0-0/Top-down-scheduling.gif
index ff5d6458f4..4764d85ea3 100644
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diff --git a/docs/release-notes/12-0-10/README.md b/docs/release-notes/12-0-10/README.md
new file mode 100644
index 0000000000..bf82792b95
--- /dev/null
+++ b/docs/release-notes/12-0-10/README.md
@@ -0,0 +1,33 @@
+---
+title: OpenProject 12.0.10
+sidebar_navigation:
+    title: 12.0.10
+release_version: 12.0.10
+release_date: 2022-03-16
+---
+
+# OpenProject 12.0.10
+
+Release date: 2022-03-16
+
+We released [OpenProject 12.0.10](https://community.openproject.com/versions/1512).
+The release contains several bug fixes and we recommend updating to the newest version.
+
+##### Localization issues
+
+Some translations provided by our Crowdin integration were temporarily reverted to their english originals.
+This has been fixed and is the primary reason for this release.
+
+<!--more-->
+#### Bug fixes and changes
+
+- Fixed: Several Translation Errors [DE] \[[#41414](https://community.openproject.com/wp/41414)\]
+- Fixed: LOCALE env used for seeding is too generic \[[#41427](https://community.openproject.com/wp/41427)\]
+- Fixed: Broken translation in russian/german language after upgrade to actual release \[[#41434](https://community.openproject.com/wp/41434)\]
+
+#### Contributions
+A big thanks to community members for reporting bugs and helping us identifying and providing fixes.
+
+Special thanks for reporting and finding bugs go to
+
+Jörg Mollowitz, Атилла Алтымышев
diff --git a/docs/release-notes/12-0-9/README.md b/docs/release-notes/12-0-9/README.md
new file mode 100644
index 0000000000..a2169b87a7
--- /dev/null
+++ b/docs/release-notes/12-0-9/README.md
@@ -0,0 +1,21 @@
+---
+title: OpenProject 12.0.9
+sidebar_navigation:
+    title: 12.0.9
+release_version: 12.0.9
+release_date: 2022-03-14
+---
+
+# OpenProject 12.0.9
+
+Release date: 2022-03-14
+
+We released [OpenProject 12.0.9](https://community.openproject.com/versions/1511).
+The release contains several bug fixes and we recommend updating to the newest version.
+
+<!--more-->
+#### Bug fixes and changes
+
+- Fixed: Possible to create invalid project identifier when creating project \[[#41228](https://community.openproject.com/wp/41228)\]
+- Fixed: Internal PostgreSQL error when updating query order with invalid IDs \[[#41310](https://community.openproject.com/wp/41310)\]
+- Fixed: Work package table relation column values not complete  \[[#41315](https://community.openproject.com/wp/41315)\]
diff --git a/docs/release-notes/README.md b/docs/release-notes/README.md
index 1be3900b0d..053c1354c5 100644
--- a/docs/release-notes/README.md
+++ b/docs/release-notes/README.md
@@ -16,6 +16,20 @@ Stay up to date and get an overview of the new features included in the releases
 <!--- New release notes are generated below. Do not remove comment. -->
 <!--- RELEASE MARKER -->
 
+## 12.0.10
+
+Release date: 2022-03-16
+
+[Release Notes](12-0-10/)
+
+
+## 12.0.9
+
+Release date: 2022-03-14
+
+[Release Notes](12-0-9/)
+
+
 ## 12.0.8
 
 Release date: 2022-02-23
diff --git a/docs/system-admin-guide/authentication/ldap-authentication/ldap-group-synchronization/README.md b/docs/system-admin-guide/authentication/ldap-authentication/ldap-group-synchronization/README.md
index bece4611d6..be1c72ef99 100644
--- a/docs/system-admin-guide/authentication/ldap-authentication/ldap-group-synchronization/README.md
+++ b/docs/system-admin-guide/authentication/ldap-authentication/ldap-group-synchronization/README.md
@@ -15,9 +15,9 @@ In OpenProject Enterprise on-premises, you can synchronize LDAP group membership
 
 - - have at least one group defined in OpenProject (See the “[Managing groups](../../../users-permissions/groups/)” guide for more information on how to create and edit groups),
   - have set up your LDAP authentication source (See the “[Manage LDAP authentication](../../ldap-authentication/)” guide)
-  - have at least one LDAP entry with a *groupOfNames* object class and at least one *member* reference to an entry within your base DN of your LDAP authentication source. We use the inverse *memberOf* filter to determine the members of a group entry.
+  - have at least one LDAP entry with a *groupOfNames* object class and members of that group to contain the *memberOf: <DN of the group>* attribute to determine the members of a group entry. Right now we do not support LDAP instances that only have *member* attributes, but not the inverse *memberOf* property.
 <div class="alert alert-info" role="alert">
-**Please note**: OpenProject does not support other attributes other than the `member` / `memberOf` property to define groups. Please make sure _both_ these attributes are available in your directory. Groups need to define members with the `member` property, and user objects need to have `memberOf` property for the synchronization to work.
+**Please note**: OpenProject does not support other attributes other than the `memberOf` property to define groups. Please make sure that user objects have the `memberOf` property for the synchronization to work.
 </div>
 
 For the sake of simplicity, we assume that in this guide, your LDAP structure looks like the following:
@@ -33,8 +33,34 @@ LDAP group synchronization augments the memberships defined by  administrators i
 - Only existing groups and users in OpenProject can be synchronized.  The functionality will not simply create all entries in the LDAP group  base nor will it synchronize users that do not exist in OpenProject.
 - Group synchronization have to be enabled by an administrator by creating a *synchronized LDAP group* that ties the OpenProject group to an LDAP entry.
 - Only synchronized memberships will be removed from the OpenProject  group. If you want to add a user outside your LDAP authentication to an  OpenProject group, you can safely do so without the membership being  removed.
+- 
 
-## Configure synchronized LDAP group
+## Configure LDAP group synchronization filters
+
+Instead of manually synchronizing groups from a given DN, you can also create filter objects that will query the LDAP not only for group members, but the groups themselves.
+
+When the synchronization task is executed, the filter is being queried against the LDAP and resulting group objects will be created as synchronized groups *and* as OpenProject groups.
+
+![LDAP synchronized filter form](ldap-groups-filter.png)
+
+### Create a synchronized filter
+
+To create a new synchronized filter, use the button on the top right of the index page. There, you will select your LDAP authentication source that should be queried. The following properties can be set:
+
+- **Name:** Name of the LDAP filter, only for organizational purposes
+- **Group name attribute:** The attribute used for naming the associated OpenProject groups.
+- **Sync users:** Check this option if you want members of all synchronized groups this filter creates to be automatically created in OpenProject. When unchecked, only members of any group that also are existing users in OpenProject can be synchronized.
+- **LDAP connection:** Select the LDAP connection you want this synchronized filter to use. Users created by group synchronization will be tied to that LDAP and may bind against it for authentication.
+- **Search base DN:** (optional) Enter the base DN of the LDAP subtree you want to perform the search in. If you leave this unset, the base DN of the LDAP connection will be used instead. The DN specified here must contain the base DN of the LDAP connection to be valid.
+- **LDAP filter:** The LDAP filter string to be used for identifying LDAP group entries to be synchronized with OpenProject.
+
+Click on *Create* to finish the creation of the synchronized  filter. This filter is being executed hourly as part of the background job before the actual group synchronization runs.
+
+**Note:** If you manually create a synchronized group that is also found by a filter, its properties (such as the *Sync users* setting) is being overridden by the filter setting.
+
+
+
+## Configure synchronized LDAP groups
 
 In order to get to the LDAP group sync administration pane, expand the LDAP authentication menu item in your administration.
 
@@ -72,29 +98,6 @@ If you need to synchronize a large number of groups that follow a common pattern
 
 
 
-## Configure synchronized LDAP filter
-
-Instead of manually synchronizing groups from a given DN, you can also create filter objects that will query the LDAP not only for group members, but the groups themselves.
-
-When the synchronization task is executed, the filter is being queried against the LDAP and resulting group objects will be created as synchronized groups *and* as OpenProject groups.
-
-![LDAP synchronized filter form](ldap-groups-filter.png)
-
-### Create a synchronized filter
-
-To create a new synchronized filter, use the button on the top right of the index page. There, you will select your LDAP authentication source that should be queried. The following properties can be set:
-
-- **Name:** Name of the LDAP filter, only for organizational purposes
-- **Group name attribute:** The attribute used for naming the associated OpenProject groups.
-- **Sync users:** Check this option if you want members of all synchronized groups this filter creates to be automatically created in OpenProject. When unchecked, only members of any group that also are existing users in OpenProject can be synchronized.
-- **LDAP connection:** Select the LDAP connection you want this synchronized filter to use. Users created by group synchronization will be tied to that LDAP and may bind against it for authentication.
-- **Search base DN:** (optional) Enter the base DN of the LDAP subtree you want to perform the search in. If you leave this unset, the base DN of the LDAP connection will be used instead. The DN specified here must contain the base DN of the LDAP connection to be valid.
-- **LDAP filter:** The LDAP filter string to be used for identifying LDAP group entries to be synchronized with OpenProject.
-
-Click on *Create* to finish the creation of the synchronized  filter. This filter is being executed hourly as part of the background job before the actual group synchronization runs.
-
-**Note:** If you manually create a synchronized group that is also found by a filter, its properties (such as the *Sync users* setting) is being overridden by the filter setting.
-
 
 
 ## Troubleshooting
diff --git a/docs/user-guide/agile-boards/README.md b/docs/user-guide/agile-boards/README.md
index 1ce42a0a2e..9a16e7485b 100644
--- a/docs/user-guide/agile-boards/README.md
+++ b/docs/user-guide/agile-boards/README.md
@@ -51,9 +51,13 @@ Click on the green **+Board** button to create a new Board view.
 
 Next, you need to choose which kind of Agile board you want to create.
 
+![select board type](board-types-7003479.png)
+
 ### Basic board
 You can freely create lists, name them and order your work packages within. If you move work packages between  the lists, there will be **NO changes** to the work package itself. This allows you to create flexible boards for any kind of activity you would like to track, e.g. Management of Ideas.
 
+![create basic board with unnamed lists](create-basic-board.png)
+
 ### Action boards
 
 In an Action board each lists represents a value of an attribute of the contained work packages (cards), e.g. there's a list for the status "New" and a list for the status "In Progress" in the Status board.
@@ -67,22 +71,30 @@ Each list represents a status. That means that e.g. all work packages with the s
 When creating a new Status board a list with all work packages in the default status (usually this is the status "New") will be added automatically, while additional lists need to be added manually.
 Please note: You can't move work packages from or to every status. Please find out more about the work-flow logics restricting this here: [Allowed transitions between status](../../system-admin-guide/manage-work-packages/work-package-workflows/)
 
+![creat status board](create-status-board.png)
+
 ### Assignee board
 Every list represents one assignee. You can choose regular users, [placeholder users](../../system-admin-guide/users-permissions/placeholder-users) and groups as assignees.
 
+![create assignee board](create-assignee-board.png)
+
 ### Version board
 Every list represents a version. This board is ideal for product development or planning software releases. When creating a new Version board a list with all work packages in the version(s) belonging to the current project will be added automatically, while additional lists need to be added manually.
 
+![create version board](create-version-board.png)
+
 ### Subproject board
 Every list represents a subproject. Within the list you will find the subproject's work packages. 
 
+![create subproject board](create-subproject-board.png)
+
 ### Parent-Child board
 Every list represents a parent work package. Within the list you will find the work package's children. 
 Only work packages from the current project can be selected as a list, i.e. can be chosen as the name of the list.
 The Parent-Child board is ideal for depicting a **work breakdown structure (WBS)**.
 Please note: This will only display one hierarchy level below the displayed work package, i.e. only immediate children and no grandchildren.
 
-![image-20201005160802542](image-20201005160802542.png)
+![create parent child board](create-parent-child-board.png)
 
 ## Give the board a title
 
diff --git a/docs/user-guide/agile-boards/board-types-7003479.png b/docs/user-guide/agile-boards/board-types-7003479.png
new file mode 100644
index 0000000000..47cb87d67b
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diff --git a/docs/user-guide/agile-boards/board-types.png b/docs/user-guide/agile-boards/board-types.png
new file mode 100644
index 0000000000..47cb87d67b
Binary files /dev/null and b/docs/user-guide/agile-boards/board-types.png differ
diff --git a/docs/user-guide/agile-boards/create-assignee-board.png b/docs/user-guide/agile-boards/create-assignee-board.png
new file mode 100644
index 0000000000..6e791367b6
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diff --git a/docs/user-guide/agile-boards/create-basic-board.png b/docs/user-guide/agile-boards/create-basic-board.png
new file mode 100644
index 0000000000..0cc2af88b5
Binary files /dev/null and b/docs/user-guide/agile-boards/create-basic-board.png differ
diff --git a/docs/user-guide/agile-boards/create-parent-child-board.png b/docs/user-guide/agile-boards/create-parent-child-board.png
new file mode 100644
index 0000000000..b2d6603c9a
Binary files /dev/null and b/docs/user-guide/agile-boards/create-parent-child-board.png differ
diff --git a/docs/user-guide/agile-boards/create-status-board.png b/docs/user-guide/agile-boards/create-status-board.png
new file mode 100644
index 0000000000..3a4ef71547
Binary files /dev/null and b/docs/user-guide/agile-boards/create-status-board.png differ
diff --git a/docs/user-guide/agile-boards/create-subproject-board.png b/docs/user-guide/agile-boards/create-subproject-board.png
new file mode 100644
index 0000000000..ffbdd27c94
Binary files /dev/null and b/docs/user-guide/agile-boards/create-subproject-board.png differ
diff --git a/docs/user-guide/agile-boards/create-version-board.png b/docs/user-guide/agile-boards/create-version-board.png
new file mode 100644
index 0000000000..cc6efebfc7
Binary files /dev/null and b/docs/user-guide/agile-boards/create-version-board.png differ
diff --git a/docs/user-guide/gantt-chart/configure-gantt-chart.gif b/docs/user-guide/gantt-chart/configure-gantt-chart.gif
index 848e29e909..217fb78134 100644
Binary files a/docs/user-guide/gantt-chart/configure-gantt-chart.gif and b/docs/user-guide/gantt-chart/configure-gantt-chart.gif differ
diff --git a/docs/user-guide/gantt-chart/print-gantt-chart.gif b/docs/user-guide/gantt-chart/print-gantt-chart.gif
index 8ece0ed16f..73362e19a3 100644
Binary files a/docs/user-guide/gantt-chart/print-gantt-chart.gif and b/docs/user-guide/gantt-chart/print-gantt-chart.gif differ
diff --git a/docs/user-guide/projects/README.md b/docs/user-guide/projects/README.md
index 7ea87bd390..1470b1b74e 100644
--- a/docs/user-guide/projects/README.md
+++ b/docs/user-guide/projects/README.md
@@ -21,7 +21,7 @@ Your projects can be available publicly or internally. OpenProject does not limi
 | [Project settings](#project-settings)                        | Configure further settings for your projects, such as description, project hierarchy structure, or setting it to public. |
 | [Change the project hierarchy](#change-the-project-hierarchy) | You can change the hierarchy by selecting the parent project ("subproject of"). |
 | [Set a project to public](#set-a-project-to-public)          | Make a project accessible for (at least) all users within your instance. |
-| [Create a project template](#create-a-project-template-premium-feature)      | Configure a project and set it as template to copy it for future projects. |
+| [Create a project template](#create-a-project-template)      | Configure a project and set it as template to copy it for future projects. |
 | [Use a project template](#use-a-project-template-premium-feature)            | Create a new project based on an existing template project.  |
 | [Copy a project](#copy-a-project)                            | Copy an existing project.                                    |
 | [Archive a project](#archive-a-project)                      | Find out how to archive completed projects.                  |
@@ -127,7 +127,7 @@ Setting a project to public will make it accessible to all people within your Op
 
 
 
-### Create a project template (Premium feature)
+### Create a project template 
 
 You can create a project template in OpenProject by [creating a new project](../../getting-started/projects/#create-a-new-project) and configuring your project to your needs. Name the project so you can identify it as a template, e.g. "Project XY [template]".
 
@@ -161,13 +161,13 @@ You can copy an existing project by navigating to the [project settings](project
 
 ![copy-project](image-20210204170859459.png)
 
-
-
 Give the new project a name. Select which modules and settings you want to copy and whether or not you want to notify users via email during copying. 
 You can copy existing [boards](../agile-boards) (apart from the Subproject board) and the [Project overview](../project-overview/#project-overview) dashboards along with your project, too.
 
 ![copy-project-screen-11.0](image-20201007172029375.png)
 
+**!!Attention!!** - **Budgets** cannot be copied, so they must be removed from the work package table beforehand. Alternatively, you can delete them in the Budget module and thus delete them from the work packages as well.
+
 For further configuration open the **Advanced settings**. Here you can specify (among other things) the project's URL (identifier), its visibility and status. Furthermore you can set values for custom fields (not shown in the screenshot).
 
 ![advanced-settings-project](image-20201007172208540.png)
diff --git a/docs/user-guide/projects/project-overarching-report.gif b/docs/user-guide/projects/project-overarching-report.gif
index 028ac351c9..08591f1473 100644
Binary files a/docs/user-guide/projects/project-overarching-report.gif and b/docs/user-guide/projects/project-overarching-report.gif differ
diff --git a/docs/user-guide/projects/project-settings/project-information/README.md b/docs/user-guide/projects/project-settings/project-information/README.md
index 18d1f05123..0cb954f37b 100644
--- a/docs/user-guide/projects/project-settings/project-information/README.md
+++ b/docs/user-guide/projects/project-settings/project-information/README.md
@@ -27,7 +27,7 @@ You will have the following options in the project settings.
 11. **Create a new subproject** for this project with the green **+ Subproject** button.
 12. **Copy the project**. When [copying a project](../../#copy-a-project) you can choose which modules you'd like to copy.
 13. **Archive a project**. This way the [archived project](../../#archive-a-project) will not appear in the project selection anymore and cannot be accessed by team members. You can view archived projects in the view all projects list.
-14. **Set as template** or **Remove from templates**. By [setting a project as template](../../#create-a-project-template-premium-feature) it can be copied multiple times to create similar projects.
+14. **Set as template** or **Remove from templates**. By [setting a project as template](../../#create-a-project-template) it can be copied multiple times to create similar projects.
 15. **Delete a project**. By [deleting a project](../../#delete-a-project) the whole project with all included information will be removed.
 
 ![project-information](image-20201010152113743.png)
diff --git a/extra/mail_handler/rdm-mailhandler.rb b/extra/mail_handler/rdm-mailhandler.rb
index ff8732aaf0..8457b80bd5 100644
--- a/extra/mail_handler/rdm-mailhandler.rb
+++ b/extra/mail_handler/rdm-mailhandler.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/extra/svn/reposman.rb b/extra/svn/reposman.rb
index 047e26a344..df7d2ff1a1 100755
--- a/extra/svn/reposman.rb
+++ b/extra/svn/reposman.rb
@@ -1,6 +1,4 @@
 #!/usr/bin/env ruby
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/frontend/.eslintignore b/frontend/.eslintignore
index 82a9a730d1..1c7abcc8fb 100644
--- a/frontend/.eslintignore
+++ b/frontend/.eslintignore
@@ -1 +1,2 @@
-.eslintrc.js
\ No newline at end of file
+.eslintrc.js
+vendor
\ No newline at end of file
diff --git a/frontend/.eslintrc.js b/frontend/.eslintrc.js
index 72f41374c4..744637820d 100644
--- a/frontend/.eslintrc.js
+++ b/frontend/.eslintrc.js
@@ -62,6 +62,9 @@ module.exports = {
           },
         ],
 
+        // Sometimes we need to shush the TypeScript compiler
+        "no-unused-vars": ["error", { "varsIgnorePattern": "^_" }],
+
         // Who cares about line length
         "max-len": "off",
 
diff --git a/frontend/angular.json b/frontend/angular.json
index 5e04846127..9b1f6d8824 100644
--- a/frontend/angular.json
+++ b/frontend/angular.json
@@ -52,7 +52,8 @@
             ],
             "stylePreprocessorOptions": {
               "includePaths": [
-                "src/assets/sass/"
+                "src/assets/sass/",
+                "src/app/spot/styles/sass/variables/"
               ]
             },
             "scripts": [],
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 9ab1c78923..29cdb6c003 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -5606,7 +5606,6 @@
       "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
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       "dev": true,
-      "optional": true,
       "requires": {
         "file-uri-to-path": "1.0.0"
       }
@@ -5638,6 +5637,15 @@
         }
       }
     },
+    "block-stream": {
+      "version": "0.0.9",
+      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
+      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
+      "dev": true,
+      "requires": {
+        "inherits": "~2.0.0"
+      }
+    },
     "bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -5765,6 +5773,15 @@
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       "dev": true
     },
+    "bufferstreams": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/bufferstreams/-/bufferstreams-1.1.3.tgz",
+      "integrity": "sha512-HaJnVuslRF4g2kSDeyl++AaVizoitCpL9PglzCYwy0uHHyvWerfvEb8jWmYbF1z4kiVFolGomnxSGl+GUQp2jg==",
+      "dev": true,
+      "requires": {
+        "readable-stream": "^2.0.2"
+      }
+    },
     "builtins": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/builtins/-/builtins-1.0.3.tgz",
@@ -7084,6 +7101,12 @@
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.0.10.tgz",
       "integrity": "sha512-2u44ZG2OcNUO9HDp/Jl8C07x6pU/eTR3ncV91SiK3dhG9TWvRVsCoJw14Ckx5DgWkzGA3waZWO3d7pgqpUI/XA=="
     },
+    "cubic2quad": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/cubic2quad/-/cubic2quad-1.2.1.tgz",
+      "integrity": "sha512-wT5Y7mO8abrV16gnssKdmIhIbA9wSkeMzhh27jAguKrV82i24wER0vL5TGhUJ9dbJNDcigoRZ0IAHFEEEI4THQ==",
+      "dev": true
+    },
     "custom-event": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/custom-event/-/custom-event-1.0.1.tgz",
@@ -8947,8 +8970,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
       "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "filelist": {
       "version": "1.0.2",
@@ -9218,6 +9240,18 @@
       "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
       "optional": true
     },
+    "fstream": {
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
+      "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "inherits": "~2.0.0",
+        "mkdirp": ">=0.5 0",
+        "rimraf": "2"
+      }
+    },
     "function-bind": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
@@ -11705,9 +11739,9 @@
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     },
     "lodash-es": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.15.tgz",
-      "integrity": "sha512-rlrc3yU3+JNOpZ9zj5pQtxnx2THmvRykwL4Xlxoa8I9lHBlVbbyPhgyPMioxVZ4NqyxaVVtaJnzsyOidQIhyyQ=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.21.tgz",
+      "integrity": "sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw=="
     },
     "lodash._reinterpolate": {
       "version": "3.0.0",
@@ -12166,6 +12200,12 @@
       "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=",
       "dev": true
     },
+    "microbuffer": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/microbuffer/-/microbuffer-1.0.0.tgz",
+      "integrity": "sha1-izgy7UDIfVH0e7I0kTppinVtGdI=",
+      "dev": true
+    },
     "micromatch": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.2.tgz",
@@ -12416,8 +12456,7 @@
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       "integrity": "sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ==",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "nanoid": {
       "version": "3.2.0",
@@ -12450,6 +12489,15 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "neatequal": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/neatequal/-/neatequal-1.0.0.tgz",
+      "integrity": "sha1-LuEhG8n6bkxVcV/SELsFYC6xrjs=",
+      "dev": true,
+      "requires": {
+        "varstream": "^0.3.2"
+      }
+    },
     "needle": {
       "version": "2.9.1",
       "resolved": "https://registry.npmjs.org/needle/-/needle-2.9.1.tgz",
@@ -15227,6 +15275,12 @@
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
       "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
     },
+    "q": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz",
+      "integrity": "sha1-fjL3W0E4EpHQRhHxvxQQmsAGUdc=",
+      "dev": true
+    },
     "qjobs": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/qjobs/-/qjobs-1.2.0.tgz",
@@ -17240,6 +17294,18 @@
         "strip-ansi": "^6.0.0"
       }
     },
+    "string.fromcodepoint": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/string.fromcodepoint/-/string.fromcodepoint-0.2.1.tgz",
+      "integrity": "sha1-jZeDM8C8klOPUPOD5IiPPlYZ1lM=",
+      "dev": true
+    },
+    "string.prototype.codepointat": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.codepointat/-/string.prototype.codepointat-0.2.1.tgz",
+      "integrity": "sha512-2cBVCj6I4IOvEnjgO/hWqXjqBGsY+zwPmHl12Srk9IXSZ56Jwwmy+66XO5Iut/oQVR7t5ihYdLB0GMa4alEUcg==",
+      "dev": true
+    },
     "string.prototype.matchall": {
       "version": "4.0.5",
       "resolved": "https://registry.npmjs.org/string.prototype.matchall/-/string.prototype.matchall-4.0.5.tgz",
@@ -17444,6 +17510,72 @@
         "has-flag": "^3.0.0"
       }
     },
+    "svg-pathdata": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/svg-pathdata/-/svg-pathdata-1.0.4.tgz",
+      "integrity": "sha1-emgTQqrH7/2NUq+6eZmRDJ2juVk=",
+      "dev": true,
+      "requires": {
+        "readable-stream": "~2.0.4"
+      },
+      "dependencies": {
+        "process-nextick-args": {
+          "version": "1.0.7",
+          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
+          "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=",
+          "dev": true
+        },
+        "readable-stream": {
+          "version": "2.0.6",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
+          "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
+          "dev": true,
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~1.0.6",
+            "string_decoder": "~0.10.x",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+          "dev": true
+        }
+      }
+    },
+    "svg2ttf": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/svg2ttf/-/svg2ttf-4.3.0.tgz",
+      "integrity": "sha512-LZ0B7zzHWLWbzLzwaKGHQvPOuxCXLReIb3LSxFSGUy1gMw2Utk6KGNbTmbmRL6Rk1qDSmTixnDrQgnXaL9n0CA==",
+      "dev": true,
+      "requires": {
+        "argparse": "^1.0.6",
+        "cubic2quad": "^1.0.0",
+        "lodash": "^4.17.10",
+        "microbuffer": "^1.0.0",
+        "svgpath": "^2.1.5",
+        "xmldom": "~0.1.22"
+      }
+    },
+    "svgicons2svgfont": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/svgicons2svgfont/-/svgicons2svgfont-5.0.2.tgz",
+      "integrity": "sha1-BRGCPGSRvhp9VDKS4pqK5ietBAY=",
+      "dev": true,
+      "requires": {
+        "commander": "^2.9.0",
+        "neatequal": "^1.0.0",
+        "readable-stream": "^2.0.4",
+        "sax": "^1.1.5",
+        "string.fromcodepoint": "^0.2.1",
+        "string.prototype.codepointat": "^0.2.0",
+        "svg-pathdata": "^1.0.4"
+      }
+    },
     "svgo": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/svgo/-/svgo-2.6.1.tgz",
@@ -17473,6 +17605,12 @@
         }
       }
     },
+    "svgpath": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/svgpath/-/svgpath-2.5.0.tgz",
+      "integrity": "sha512-o/vohwqjUO9nDAh4rcjE3KaW/v//At8UJu2LJMybXidf5QLQLVA4bxH0//4YCsr+1H4Gw1Wi/Jc62ynzSBYidw==",
+      "dev": true
+    },
     "swagger-client": {
       "version": "3.17.0",
       "resolved": "https://registry.npmjs.org/swagger-client/-/swagger-client-3.17.0.tgz",
@@ -18117,6 +18255,95 @@
         }
       }
     },
+    "ttf2eot": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ttf2eot/-/ttf2eot-2.0.0.tgz",
+      "integrity": "sha1-jmM3pYWr0WCKDISVirSDzmn2ZUs=",
+      "dev": true,
+      "requires": {
+        "argparse": "^1.0.6",
+        "microbuffer": "^1.0.0"
+      }
+    },
+    "ttf2woff": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/ttf2woff/-/ttf2woff-2.0.2.tgz",
+      "integrity": "sha512-X68badwBjAy/+itU49scLjXUL094up+rHuYk+YAOTTBYSUMOmLZ7VyhZJuqQESj1gnyLAC2/5V8Euv+mExmyPA==",
+      "dev": true,
+      "requires": {
+        "argparse": "^1.0.6",
+        "microbuffer": "^1.0.0",
+        "pako": "^1.0.0"
+      },
+      "dependencies": {
+        "pako": {
+          "version": "1.0.11",
+          "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+          "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==",
+          "dev": true
+        }
+      }
+    },
+    "ttf2woff2": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/ttf2woff2/-/ttf2woff2-2.0.3.tgz",
+      "integrity": "sha1-XgIK/m5kMofzrXaHq+0g/mVOsyk=",
+      "dev": true,
+      "requires": {
+        "bindings": "^1.2.1",
+        "bufferstreams": "^1.1.0",
+        "nan": "^2.1.0",
+        "node-gyp": "^3.0.3"
+      },
+      "dependencies": {
+        "node-gyp": {
+          "version": "3.8.0",
+          "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-3.8.0.tgz",
+          "integrity": "sha512-3g8lYefrRRzvGeSowdJKAKyks8oUpLEd/DyPV4eMhVlhJ0aNaZqIrNUIPuEWWTAoPqyFkfGrM67MC69baqn6vA==",
+          "dev": true,
+          "requires": {
+            "fstream": "^1.0.0",
+            "glob": "^7.0.3",
+            "graceful-fs": "^4.1.2",
+            "mkdirp": "^0.5.0",
+            "nopt": "2 || 3",
+            "npmlog": "0 || 1 || 2 || 3 || 4",
+            "osenv": "0",
+            "request": "^2.87.0",
+            "rimraf": "2",
+            "semver": "~5.3.0",
+            "tar": "^2.0.0",
+            "which": "1"
+          }
+        },
+        "nopt": {
+          "version": "3.0.6",
+          "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
+          "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
+          "dev": true,
+          "requires": {
+            "abbrev": "1"
+          }
+        },
+        "semver": {
+          "version": "5.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
+          "dev": true
+        },
+        "tar": {
+          "version": "2.2.2",
+          "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
+          "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
+          "dev": true,
+          "requires": {
+            "block-stream": "*",
+            "fstream": "^1.0.12",
+            "inherits": "2"
+          }
+        }
+      }
+    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -18235,6 +18462,12 @@
         "which-boxed-primitive": "^1.0.2"
       }
     },
+    "underscore": {
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.2.tgz",
+      "integrity": "sha512-ekY1NhRzq0B08g4bGuX4wd2jZx5GnKz6mKSqFL4nqBlfyMGiG10gDFhDTMEfYmDL6Jy0FUIZp7wiRB+0BP7J2g==",
+      "dev": true
+    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.0.tgz",
@@ -18378,9 +18611,9 @@
       }
     },
     "urijs": {
-      "version": "1.19.8",
-      "resolved": "https://registry.npmjs.org/urijs/-/urijs-1.19.8.tgz",
-      "integrity": "sha512-iIXHrjomQ0ZCuDRy44wRbyTZVnfVNLVo3Ksz1yxNyE5wV1IDZW2S5Jszy45DTlw/UdsnRT7DyDhIz7Gy+vJumw=="
+      "version": "1.19.10",
+      "resolved": "https://registry.npmjs.org/urijs/-/urijs-1.19.10.tgz",
+      "integrity": "sha512-EzauQlgKuJgsXOqoMrCiePBf4At5jVqRhXykF3Wfb8ZsOBMxPcfiVBcsHXug4Aepb/ICm2PIgqAUGMelgdrWEg=="
     },
     "urix": {
       "version": "0.1.0",
@@ -18463,6 +18696,41 @@
         "builtins": "^1.0.3"
       }
     },
+    "varstream": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/varstream/-/varstream-0.3.2.tgz",
+      "integrity": "sha1-GKxklHZfP/GjWtmkvgU77BiKXeE=",
+      "dev": true,
+      "requires": {
+        "readable-stream": "^1.0.33"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+          "dev": true
+        },
+        "readable-stream": {
+          "version": "1.1.14",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+          "dev": true,
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "0.0.1",
+            "string_decoder": "~0.10.x"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+          "dev": true
+        }
+      }
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -19359,6 +19627,12 @@
         "repeat-string": "^1.5.2"
       }
     },
+    "xmldom": {
+      "version": "0.1.31",
+      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.1.31.tgz",
+      "integrity": "sha512-yS2uJflVQs6n+CyjHoaBmVSqIDevTAWrzMmjG1Gc7h1qQ7uVozNhEPJAwZXWyGQ/Gafo3fCwrcaokezLPupVyQ==",
+      "dev": true
+    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 2625330c62..13291a6d25 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -137,7 +137,7 @@
     "ts-action": "^11.0.0",
     "ts-action-operators": "^9.1.2",
     "typedjson": "^1.5.1",
-    "urijs": "^1.19.8",
+    "urijs": "^1.19.10",
     "zone.js": "~0.11.4"
   },
   "scripts": {
@@ -146,6 +146,7 @@
     "build": "node --max_old_space_size=4096 ./node_modules/@angular/cli/bin/ng build --configuration production --named-chunks --extract-css --source-map",
     "build:watch": "node --max_old_space_size=4096 ./node_modules/@angular/cli/bin/ng build --watch --named-chunks --extract-css",
     "tokens:generate": "theo src/app/spot/styles/tokens/tokens.yml --transform web --format sass,json --dest src/app/spot/styles/tokens/dist",
+    "icon-font:generate": "node ./src/app/spot/icon-font/generate.js ./src/app/spot/icon-font",
     "preserve": "./scripts/link_plugin_placeholder.js",
     "serve": "NG_PERSISTENT_BUILD_CACHE=1 node --max_old_space_size=8096 ./node_modules/@angular/cli/bin/ng serve --host 0.0.0.0 --public-host http://localhost:4200",
     "serve:test": "NG_PERSISTENT_BUILD_CACHE=1 node --max_old_space_size=8096 ./node_modules/@angular/cli/bin/ng serve --host 0.0.0.0 --disable-host-check --public-host http://frontend-test:4200",
diff --git a/frontend/src/app/core/apiv3/endpoints/relations/apiv3-relations-paths.ts b/frontend/src/app/core/apiv3/endpoints/relations/apiv3-relations-paths.ts
index 5ef64f8ba5..556f2ede55 100644
--- a/frontend/src/app/core/apiv3/endpoints/relations/apiv3-relations-paths.ts
+++ b/frontend/src/app/core/apiv3/endpoints/relations/apiv3-relations-paths.ts
@@ -57,7 +57,10 @@ export class ApiV3RelationsPaths extends ApiV3ResourceCollection<RelationResourc
     }
 
     return this
-      .filtered(ApiV3Filter('involved', '=', validIds))
+      .filtered(
+        ApiV3Filter('involved', '=', validIds),
+        { pageSize: '-1' },
+      )
       .get()
       .pipe(
         map((collection) => collection.elements),
diff --git a/frontend/src/app/core/apiv3/endpoints/work_packages/api-v3-work-packages-paths.ts b/frontend/src/app/core/apiv3/endpoints/work_packages/api-v3-work-packages-paths.ts
index 01437fd6f4..5449a6227f 100644
--- a/frontend/src/app/core/apiv3/endpoints/work_packages/api-v3-work-packages-paths.ts
+++ b/frontend/src/app/core/apiv3/endpoints/work_packages/api-v3-work-packages-paths.ts
@@ -64,6 +64,10 @@ export class ApiV3WorkPackagesPaths extends ApiV3Collection<WorkPackageResource,
    * @param ids
    */
   public requireAll(ids:string[]):Promise<unknown> {
+    if (ids.length === 0) {
+      return Promise.resolve();
+    }
+
     return new Promise<undefined>((resolve, reject) => {
       this
         .loadCollectionsFor(_.uniq(ids))
@@ -157,13 +161,13 @@ export class ApiV3WorkPackagesPaths extends ApiV3Collection<WorkPackageResource,
   protected loadCollectionsFor(ids:string[]):Promise<WorkPackageCollectionResource[]> {
     return this
       .halResourceService
-      .getAllPaginated<WorkPackageCollectionResource>(
+    .getAllPaginated<WorkPackageCollectionResource>(
       this.path,
-      ids.length,
       {
         filters: ApiV3Filter('id', '=', ids).toJson(),
       },
-    );
+    )
+      .toPromise();
   }
 
   protected createCache():WorkPackageCache {
diff --git a/frontend/src/app/core/apiv3/helpers/get-paginated-results.ts b/frontend/src/app/core/apiv3/helpers/get-paginated-results.ts
new file mode 100644
index 0000000000..af2ca5d21a
--- /dev/null
+++ b/frontend/src/app/core/apiv3/helpers/get-paginated-results.ts
@@ -0,0 +1,96 @@
+import {
+  map,
+  mergeMap,
+} from 'rxjs/operators';
+import { CollectionResource } from 'core-app/features/hal/resources/collection-resource';
+import {
+  forkJoin,
+  Observable,
+  of,
+} from 'rxjs';
+import { ApiV3PaginationParameters } from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
+import { IHALCollection } from 'core-app/core/apiv3/types/hal-collection.type';
+import { HalResource } from 'core-app/features/hal/resources/hal-resource';
+
+/**
+ * The API will resolve pageSize=-1 to the maximum value
+ * we can request in one call. This is configurable under adminstration.
+ */
+export const MAGIC_PAGE_NUMBER = -1;
+
+/**
+ * Right now, we still support HAL-class based collections as well as interface-based responses.
+ */
+type ApiV3CollectionType<T> = CollectionResource<T>|IHALCollection<T>;
+
+/**
+ * Extract the elements of either a HAL class or an interface
+ */
+function extractCollectionElements<T>(collection:ApiV3CollectionType<T>):T[] {
+  // Some API endpoints return an undefined _embedded.elements
+  // so we ensure we return an array at all times.
+  if (collection instanceof HalResource) {
+    return collection.elements || [];
+  }
+
+  return collection._embedded?.elements || [];
+}
+
+/**
+ * Get ALL pages of a potentially paginated APIv3 request, returning an array of collections
+ *
+ * @param request The requesting callback to request specific pages
+ * @param pageSize The pageSize parameter to request, defaults to -1 (the maximum magic page number)
+ * @return an array of HAL collections
+ */
+export function getPaginatedCollections<T, C extends ApiV3CollectionType<T>>(
+  request:(params:ApiV3PaginationParameters) => Observable<C>,
+  pageSize = MAGIC_PAGE_NUMBER,
+):Observable<ApiV3CollectionType<T>[]> {
+  return request({ pageSize, offset: 1 })
+    .pipe(
+      mergeMap((collection:C) => {
+        const resolvedSize = collection.pageSize;
+
+        if (collection.total > collection.count) {
+          const remaining = collection.total - collection.count;
+          const pagesRemaining = Math.ceil(remaining / resolvedSize);
+          const calls = new Array(pagesRemaining)
+            .fill(null)
+            .map((_, i) => request({ pageSize: resolvedSize, offset: i + 2 }));
+
+          // Branch out and fetch all remaining pages in parallel.
+          // Afterwards, merge the resulting list
+          return forkJoin(...calls)
+            .pipe(
+              map((results:C[]) => [collection, ...results]),
+            );
+        }
+
+        // The current page is the only page, return the results.
+        return of([collection]);
+      }),
+    );
+}
+
+/**
+ * Get ALL pages of a potentially paginated APIv3 request, returning all concatenated elements.
+ *
+ * @param request The requesting callback to request specific pages
+ * @param pageSize The pageSize parameter to request, defaults to -1 (the maximum magic page number)
+ * @return an array of plain HAL resources
+ */
+export function getPaginatedResults<T>(
+  request:(params:ApiV3PaginationParameters) => Observable<ApiV3CollectionType<T>>,
+  pageSize = MAGIC_PAGE_NUMBER,
+):Observable<T[]> {
+  return getPaginatedCollections(request, pageSize)
+    .pipe(
+      map(
+        (results:ApiV3CollectionType<T>[]) => results.reduce(
+          (acc, next) => acc.concat(extractCollectionElements(next)),
+          [] as T[],
+        ),
+      ),
+    );
+}
diff --git a/frontend/src/app/core/apiv3/paths/apiv3-list-resource.interface.ts b/frontend/src/app/core/apiv3/paths/apiv3-list-resource.interface.ts
index 531b1fa71e..b05f132c6f 100644
--- a/frontend/src/app/core/apiv3/paths/apiv3-list-resource.interface.ts
+++ b/frontend/src/app/core/apiv3/paths/apiv3-list-resource.interface.ts
@@ -32,12 +32,16 @@ import { ApiV3FilterBuilder, FilterOperator } from 'core-app/shared/helpers/api-
 
 export type ApiV3ListFilter = [string, FilterOperator, boolean|string[]];
 
-export interface ApiV3ListParameters {
+export interface ApiV3PaginationParameters {
+  pageSize:number;
+  offset:number;
+}
+
+export interface ApiV3ListParameters extends Partial<ApiV3PaginationParameters> {
   filters?:ApiV3ListFilter[];
   sortBy?:[string, string][];
   groupBy?:string;
-  pageSize?:number;
-  offset?:number;
+  select?:string[];
 }
 
 export interface ApiV3ListResourceInterface<T> {
@@ -65,6 +69,10 @@ export function listParamsString(params?:ApiV3ListParameters):string {
     queryProps.push(`offset=${params.offset}`);
   }
 
+  if (params && params.select !== undefined) {
+    queryProps.push(`select=${params.select.join(',')}`);
+  }
+
   if (params && params.filters) {
     const filters = new ApiV3FilterBuilder();
 
diff --git a/frontend/src/app/core/current-user/current-user.service.ts b/frontend/src/app/core/current-user/current-user.service.ts
index ee9de6c646..e90902b46e 100644
--- a/frontend/src/app/core/current-user/current-user.service.ts
+++ b/frontend/src/app/core/current-user/current-user.service.ts
@@ -27,21 +27,23 @@
 //++
 
 import { Injectable } from '@angular/core';
-import { forkJoin, of } from 'rxjs';
 import {
-  distinctUntilChanged, map, mergeMap, take,
+  distinctUntilChanged,
+  map,
+  take,
 } from 'rxjs/operators';
 import { ApiV3Service } from 'core-app/core/apiv3/api-v3.service';
 import { CapabilityResource } from 'core-app/features/hal/resources/capability-resource';
-import { CollectionResource } from 'core-app/features/hal/resources/collection-resource';
 import { FilterOperator } from 'core-app/shared/helpers/api-v3/api-v3-filter-builder';
-import { CurrentUser, CurrentUserStore } from './current-user.store';
+import {
+  CurrentUser,
+  CurrentUserStore,
+} from './current-user.store';
 import { CurrentUserQuery } from './current-user.query';
+import { getPaginatedResults } from 'core-app/core/apiv3/helpers/get-paginated-results';
 
 @Injectable({ providedIn: 'root' })
 export class CurrentUserService {
-  private PAGE_FETCH_SIZE = 1000;
-
   constructor(
     private apiV3Service:ApiV3Service,
     private currentUserStore:CurrentUserStore,
@@ -89,44 +91,9 @@ export class CurrentUserService {
         filters.push(['context', '=', contexts.map((context) => (context === 'global' ? 'g' : `p${context}`))]);
       }
 
-      this.apiV3Service.capabilities.list({
-        pageSize: this.PAGE_FETCH_SIZE,
-        filters,
-      })
-        .pipe(
-          mergeMap((data:CollectionResource<CapabilityResource>) => {
-          // The data we've loaded might not contain all capabilities. Some responses might have thousands of
-          // capabilites, and our page size is restricted. If this is the case, we branch out and sent out parallel
-          // requests for each of the other pages.
-            if (data.total > this.PAGE_FETCH_SIZE) {
-              const remaining = data.total - this.PAGE_FETCH_SIZE;
-              const pagesRemaining = Math.ceil(remaining / this.PAGE_FETCH_SIZE);
-              const calls = (new Array(pagesRemaining))
-                .fill(null)
-                .map((_, i) => this.apiV3Service.capabilities.list({
-                  pageSize: this.PAGE_FETCH_SIZE,
-                  offset: i + 2, // Page offsets are 1-indexed, and we already fetched the first page
-                  filters,
-                }));
-
-              // Branch out and fetch all remaining pages in parallel.
-              // Afterwards, merge the resulting list
-              return forkJoin(...calls).pipe(
-                map(
-                  (results:CollectionResource<CapabilityResource>[]) => results.reduce(
-                    (acc, next) => acc.concat(next.elements),
-                    data.elements,
-                  ),
-                ),
-              );
-            }
-
-            // The current page is the only page, return the results.
-            return of(data.elements);
-          }),
-          // Elements may incorrectly be undefined here due to the way the representer works
-          map((elements) => elements || []),
-        )
+      getPaginatedResults<CapabilityResource>(
+        (params) => this.apiV3Service.capabilities.list({ ...params, filters }),
+      )
         .subscribe((capabilities) => {
           this.currentUserStore.update((state) => ({
             ...state,
diff --git a/frontend/src/app/core/global_search/title/global-search-title.component.ts b/frontend/src/app/core/global_search/title/global-search-title.component.ts
index cdfb879c95..f77c95bbf0 100644
--- a/frontend/src/app/core/global_search/title/global-search-title.component.ts
+++ b/frontend/src/app/core/global_search/title/global-search-title.component.ts
@@ -26,7 +26,12 @@
 // See COPYRIGHT and LICENSE files for more details.
 //++
 import {
-  ChangeDetectorRef, Component, ElementRef, Injector, Input, OnDestroy,
+  ChangeDetectorRef,
+  Component,
+  ElementRef,
+  Injector,
+  Input,
+  OnInit,
 } from '@angular/core';
 import { distinctUntilChanged } from 'rxjs/operators';
 import { combineLatest } from 'rxjs';
@@ -42,7 +47,7 @@ export const globalSearchTitleSelector = 'global-search-title';
   selector: 'global-search-title',
   templateUrl: './global-search-title.component.html',
 })
-export class GlobalSearchTitleComponent extends UntilDestroyedMixin implements OnDestroy {
+export class GlobalSearchTitleComponent extends UntilDestroyedMixin implements OnInit {
   @Input() public searchTerm:string;
 
   @Input() public project:string;
@@ -93,13 +98,10 @@ export class GlobalSearchTitleComponent extends UntilDestroyedMixin implements O
     switch (scope) {
       case 'all':
         return this.text.all_projects;
-        break;
       case 'current_project':
         return currentProjectName;
-        break;
       case '':
         return `${currentProjectName} ${this.text.project_and_subprojects}`;
-        break;
       default:
         return '';
     }
diff --git a/frontend/src/app/core/routing/openproject.routes.ts b/frontend/src/app/core/routing/openproject.routes.ts
index a0af681e80..bc8d3608ce 100644
--- a/frontend/src/app/core/routing/openproject.routes.ts
+++ b/frontend/src/app/core/routing/openproject.routes.ts
@@ -212,6 +212,7 @@ export function uiRouterConfiguration(uiRouter:UIRouter, injector:Injector, modu
   uiRouter.urlService.config.type(
     'opQueryId',
     {
+      pattern: new RegExp(/(?:new|[0-9]+)/),
       encode: (id:string|null) => id || 'new',
       decode: (id:string) => (id === 'new' ? null : id),
       raw: true,
diff --git a/frontend/src/app/core/setup/globals/global-listeners/top-menu.ts b/frontend/src/app/core/setup/globals/global-listeners/top-menu.ts
index 09c098233a..b2f3390e81 100644
--- a/frontend/src/app/core/setup/globals/global-listeners/top-menu.ts
+++ b/frontend/src/app/core/setup/globals/global-listeners/top-menu.ts
@@ -224,9 +224,10 @@ export class TopMenu {
   // If there is ANY input, it will have precedence over links,
   // i.e. links will only get focused, if there is NO input whatsoever
   focusFirstInputOrLink(dropdown:JQuery) {
-    let toFocus = dropdown.find('ul :input:visible:first');
-    if (toFocus.length === 0) {
-      toFocus = dropdown.find('ul a:visible:first');
+    const focusable = dropdown.find('input:not([disabled]), a[href], area[href], select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, *[tabindex], *[contenteditable]');
+    const toFocus = focusable[0];
+    if (!toFocus) {
+      return;
     }
     // actually a simple focus should be enough.
     // The rest is only there to work around a rendering bug in webkit (as of Oct 2011),
diff --git a/frontend/src/app/core/setup/globals/onboarding/helpers.ts b/frontend/src/app/core/setup/globals/onboarding/helpers.ts
index 8efc6c05b1..804470ae0f 100644
--- a/frontend/src/app/core/setup/globals/onboarding/helpers.ts
+++ b/frontend/src/app/core/setup/globals/onboarding/helpers.ts
@@ -2,6 +2,10 @@ export const demoProjectName = 'Demo project';
 export const scrumDemoProjectName = 'Scrum project';
 export const onboardingTourStorageKey = 'openProject-onboardingTour';
 export type OnboardingTourNames = 'prepareBacklogs'|'backlogs'|'taskboard'|'homescreen'|'main';
+export enum ProjectName {
+  demo = 'demo',
+  scrum = 'scrum',
+}
 
 export function waitForElement(element:string, container:string, execFunction:Function) {
   // Wait for the element to be ready
diff --git a/frontend/src/app/core/setup/globals/onboarding/onboarding_tour.ts b/frontend/src/app/core/setup/globals/onboarding/onboarding_tour.ts
index 725239bd6b..66d9ea51cb 100644
--- a/frontend/src/app/core/setup/globals/onboarding/onboarding_tour.ts
+++ b/frontend/src/app/core/setup/globals/onboarding/onboarding_tour.ts
@@ -4,6 +4,7 @@ import {
   OnboardingTourNames,
   onboardingTourStorageKey,
   preventClickHandler,
+  ProjectName,
   waitForElement,
 } from 'core-app/core/setup/globals/onboarding/helpers';
 import { boardTourSteps } from 'core-app/core/setup/globals/onboarding/tours/boards_tour';
@@ -14,6 +15,7 @@ import {
   scrumBacklogsTourSteps,
   scrumTaskBoardTourSteps,
 } from 'core-app/core/setup/globals/onboarding/tours/backlogs_tour';
+import { teamPlannerTourSteps } from 'core-app/core/setup/globals/onboarding/tours/team_planners_tour';
 
 require('core-vendor/enjoyhint');
 
@@ -68,28 +70,43 @@ function startTour(steps:OnboardingStep[]) {
   window.onboardingTourInstance.run();
 }
 
-function mainTour() {
+function moduleVisible(name:string):boolean {
+  return document.getElementsByClassName(`${name}-view-menu-item`).length > 0;
+}
+
+function mainTour(project:ProjectName = ProjectName.demo) {
   initializeTour('mainTourFinished');
 
   const boardsDemoDataAvailable = jQuery('meta[name=boards_demo_data_available]').attr('content') === 'true';
+  const teamPlannerDemoDataAvailable = jQuery('meta[name=demo_view_of_type_team_planner_seeded]').attr('content') === 'true';
   const eeTokenAvailable = !jQuery('body').hasClass('ee-banners-visible');
 
   waitForElement('.work-package--results-tbody', '#content', () => {
-    let steps:OnboardingStep[];
+    let steps:OnboardingStep[] = wpOnboardingTourSteps();
+
+    // Check for EE edition
+    if (eeTokenAvailable) {
+      // ... and available seed data of boards.
+      // Then add boards to the tour, otherwise skip it.
+      if (boardsDemoDataAvailable && moduleVisible('board')) {
+        steps = steps.concat(boardTourSteps('enterprise', project));
+      }
 
-    // Check for EE edition, and available seed data of boards.
-    // Then add boards to the tour, otherwise skip it.
-    if (eeTokenAvailable && boardsDemoDataAvailable) {
-      steps = wpOnboardingTourSteps().concat(boardTourSteps()).concat(menuTourSteps());
-    } else {
-      steps = wpOnboardingTourSteps().concat(menuTourSteps());
+      // ... same for team planners
+      if (teamPlannerDemoDataAvailable && moduleVisible('team-planner')) {
+        steps = steps.concat(teamPlannerTourSteps());
+      }
+    } else if (boardsDemoDataAvailable && moduleVisible('board')) {
+      steps = steps.concat(boardTourSteps('basic', project));
     }
 
+    steps = steps.concat(menuTourSteps());
+
     startTour(steps);
   });
 }
 
-export function start(name:OnboardingTourNames):void {
+export function start(name:OnboardingTourNames, project?:ProjectName):void {
   switch (name) {
     case 'prepareBacklogs':
       initializeTour('prepareTaskBoardTour');
@@ -108,7 +125,7 @@ export function start(name:OnboardingTourNames):void {
       startTour(homescreenOnboardingTourSteps());
       break;
     case 'main':
-      mainTour();
+      mainTour(project);
       break;
     default:
       break;
diff --git a/frontend/src/app/core/setup/globals/onboarding/onboarding_tour_trigger.ts b/frontend/src/app/core/setup/globals/onboarding/onboarding_tour_trigger.ts
index f9f8fd33a4..b9c95df6e9 100644
--- a/frontend/src/app/core/setup/globals/onboarding/onboarding_tour_trigger.ts
+++ b/frontend/src/app/core/setup/globals/onboarding/onboarding_tour_trigger.ts
@@ -4,14 +4,15 @@ import {
   demoProjectsLinks,
   OnboardingTourNames,
   onboardingTourStorageKey,
+  ProjectName,
   waitForElement,
 } from 'core-app/core/setup/globals/onboarding/helpers';
 import { debugLog } from 'core-app/shared/helpers/debug_output';
 
-async function triggerTour(name:OnboardingTourNames):Promise<void> {
+async function triggerTour(name:OnboardingTourNames, project?:ProjectName):Promise<void> {
   debugLog(`Loading and triggering onboarding tour ${name}`);
   await import(/* webpackChunkName: "onboarding-tour" */ './onboarding_tour').then((tour) => {
-    tour.start(name);
+    tour.start(name, project);
   });
 }
 
@@ -56,26 +57,27 @@ export function detectOnboardingTour():void {
 
     // ------------------------------- Tutorial WP page -------------------------------
     if (currentTourPart === 'startMainTourFromBacklogs' || url.searchParams.get('start_onboarding_tour')) {
-      void triggerTour('main');
+      const projectName:ProjectName = currentTourPart === 'startMainTourFromBacklogs' ? ProjectName.scrum : ProjectName.demo;
+      void triggerTour('main', projectName);
     }
 
     // ------------------------------- Prepare Backlogs page -------------------------------
     if (url.searchParams.get('start_scrum_onboarding_tour')) {
       if (jQuery('.backlogs-menu-item').length > 0) {
-        void triggerTour('prepareBacklogs');
+        void triggerTour('prepareBacklogs', ProjectName.scrum);
       } else {
-        void triggerTour('taskboard');
+        void triggerTour('taskboard', ProjectName.scrum);
       }
     }
 
     // ------------------------------- Tutorial Backlogs page -------------------------------
     if (currentTourPart === 'prepareTaskBoardTour') {
-      void triggerTour('backlogs');
+      void triggerTour('backlogs', ProjectName.scrum);
     }
 
     // ------------------------------- Tutorial Task Board page -------------------------------
     if (currentTourPart === 'startTaskBoardTour') {
-      void triggerTour('taskboard');
+      void triggerTour('taskboard', ProjectName.scrum);
     }
   }
 }
diff --git a/frontend/src/app/core/setup/globals/onboarding/tours/boards_tour.ts b/frontend/src/app/core/setup/globals/onboarding/tours/boards_tour.ts
index dcda279a52..9701be6651 100644
--- a/frontend/src/app/core/setup/globals/onboarding/tours/boards_tour.ts
+++ b/frontend/src/app/core/setup/globals/onboarding/tours/boards_tour.ts
@@ -1,7 +1,19 @@
-import { waitForElement } from 'core-app/core/setup/globals/onboarding/helpers';
+import {
+  ProjectName,
+  waitForElement,
+} from 'core-app/core/setup/globals/onboarding/helpers';
 import { OnboardingStep } from 'core-app/core/setup/globals/onboarding/onboarding_tour';
 
-export function boardTourSteps():OnboardingStep[] {
+export function boardTourSteps(edition:'basic'|'enterprise', project:ProjectName):OnboardingStep[] {
+  let boardName:string;
+  if (edition === 'basic') {
+    boardName = project === ProjectName.demo ? 'Basic board' : 'Task board';
+  } else {
+    boardName = 'Kanban';
+  }
+
+  const listExplanation = edition === 'basic' ? 'basic' : 'kanban';
+
   return [
     {
       'next .board-view-menu-item': I18n.t('js.onboarding.steps.boards.overview'),
@@ -10,12 +22,12 @@ export function boardTourSteps():OnboardingStep[] {
       onNext() {
         jQuery('.board-view-menu-item ~ .toggler')[0].click();
         waitForElement('.op-sidemenu--items', '#main-menu', () => {
-          jQuery(".op-sidemenu--item-action:contains('Kanban')")[0].click();
+          jQuery(`.op-sidemenu--item-action:contains(${boardName})`)[0].click();
         });
       },
     },
     {
-      'next [data-qa-selector="op-board-list"]': I18n.t('js.onboarding.steps.boards.lists'),
+      'next [data-qa-selector="op-board-list"]': I18n.t(`js.onboarding.steps.boards.lists_${listExplanation}`),
       showSkip: false,
       nextButton: { text: I18n.t('js.onboarding.buttons.next') },
       containerClass: '-dark -hidden-arrow',
diff --git a/frontend/src/app/core/setup/globals/onboarding/tours/team_planners_tour.ts b/frontend/src/app/core/setup/globals/onboarding/tours/team_planners_tour.ts
new file mode 100644
index 0000000000..05254a3f64
--- /dev/null
+++ b/frontend/src/app/core/setup/globals/onboarding/tours/team_planners_tour.ts
@@ -0,0 +1,52 @@
+import { waitForElement } from 'core-app/core/setup/globals/onboarding/helpers';
+import { OnboardingStep } from 'core-app/core/setup/globals/onboarding/onboarding_tour';
+
+export function teamPlannerTourSteps():OnboardingStep[] {
+  return [
+    {
+      'next .team-planner-view-menu-item': I18n.t('js.onboarding.steps.team_planner.overview'),
+      showSkip: false,
+      nextButton: { text: I18n.t('js.onboarding.buttons.next') },
+      onNext() {
+        jQuery('.team-planner-view-menu-item ~ .toggler')[0].click();
+        waitForElement('.op-sidemenu--items', '#main-menu', () => {
+          jQuery(".op-sidemenu--item-action:contains('Team planner')")[0].click();
+        });
+      },
+    },
+    {
+      'next [data-qa-selector="op-team-planner--calendar-pane"]': I18n.t('js.onboarding.steps.team_planner.calendar'),
+      showSkip: false,
+      nextButton: { text: I18n.t('js.onboarding.buttons.next') },
+      containerClass: '-dark -hidden-arrow',
+      timeout: () => new Promise((resolve) => {
+        waitForElement('.op-wp-single-card', '#content', () => {
+          resolve(undefined);
+        });
+      }),
+    },
+    {
+      'next [data-qa-selector="tp-assignee-add-button"]': I18n.t('js.onboarding.steps.team_planner.add_assignee'),
+      showSkip: false,
+      nextButton: { text: I18n.t('js.onboarding.buttons.next') },
+    },
+    {
+      'next [data-qa-selector="op-team-planner--add-existing-toggle"]': I18n.t('js.onboarding.steps.team_planner.add_existing'),
+      showSkip: false,
+      nextButton: { text: I18n.t('js.onboarding.buttons.next') },
+    },
+    {
+      'next [data-qa-selector="op-wp-single-card"]': I18n.t('js.onboarding.steps.team_planner.card'),
+      showSkip: false,
+      nextButton: { text: I18n.t('js.onboarding.buttons.next') },
+      onNext() {
+        const backArrows = Array.from(document.getElementsByClassName('main-menu--arrow-left-to-project'));
+        const teamPlannerBackArrow = backArrows.find((backArrow) => (backArrow.nextElementSibling as HTMLElement).innerText === 'Team planners') as HTMLElement;
+
+        if (teamPlannerBackArrow) {
+          teamPlannerBackArrow.click();
+        }
+      },
+    },
+  ];
+}
diff --git a/frontend/src/app/core/state/attachments/attachment.model.ts b/frontend/src/app/core/state/attachments/attachment.model.ts
new file mode 100644
index 0000000000..bc04e5bffe
--- /dev/null
+++ b/frontend/src/app/core/state/attachments/attachment.model.ts
@@ -0,0 +1,56 @@
+// -- copyright
+// OpenProject is an open source project management software.
+// Copyright (C) 2012-2022 the OpenProject GmbH
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See COPYRIGHT and LICENSE files for more details.
+//++
+
+import { ID } from '@datorama/akita';
+import {
+  IFormattable,
+  IHalResourceLink,
+  IHalResourceLinks,
+} from 'core-app/core/state/hal-resource';
+
+export interface IAttachmentHalResourceLinks extends IHalResourceLinks {
+  self:IHalResourceLink;
+  delete:IHalResourceLink;
+  container:IHalResourceLink;
+  author:IHalResourceLink;
+  downloadLocation:IHalResourceLink;
+}
+
+export interface IAttachment {
+  id:ID;
+  title:string;
+  fileName:string;
+  fileSize:number;
+  description:IFormattable;
+  contentType:string;
+  digest:string;
+
+  createdAt:string;
+
+  _links:IAttachmentHalResourceLinks;
+}
diff --git a/frontend/src/app/core/state/attachments/attachments.service.ts b/frontend/src/app/core/state/attachments/attachments.service.ts
new file mode 100644
index 0000000000..4db449ecb6
--- /dev/null
+++ b/frontend/src/app/core/state/attachments/attachments.service.ts
@@ -0,0 +1,259 @@
+// -- copyright
+// OpenProject is an open source project management software.
+// Copyright (C) 2012-2022 the OpenProject GmbH
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See COPYRIGHT and LICENSE files for more details.
+//++
+
+import { Injectable } from '@angular/core';
+import {
+  HttpClient,
+  HttpHeaders,
+} from '@angular/common/http';
+import {
+  applyTransaction,
+  QueryEntity,
+} from '@datorama/akita';
+import {
+  from,
+  Observable,
+} from 'rxjs';
+import {
+  catchError,
+  map,
+  tap,
+} from 'rxjs/operators';
+import { AttachmentsStore } from 'core-app/core/state/attachments/attacments.store';
+import { IAttachment } from 'core-app/core/state/attachments/attachment.model';
+import { IHALCollection } from 'core-app/core/apiv3/types/hal-collection.type';
+import { ToastService } from 'core-app/shared/components/toaster/toast.service';
+import {
+  OpenProjectFileUploadService,
+  UploadFile,
+} from 'core-app/core/file-upload/op-file-upload.service';
+import { OpenProjectDirectFileUploadService } from 'core-app/core/file-upload/op-direct-file-upload.service';
+import { I18nService } from 'core-app/core/i18n/i18n.service';
+import { HalResource } from 'core-app/features/hal/resources/hal-resource';
+import { ApiV3Service } from 'core-app/core/apiv3/api-v3.service';
+import { HalLink } from 'core-app/features/hal/hal-link/hal-link';
+import isNewResource, { HAL_NEW_RESOURCE_ID } from 'core-app/features/hal/helpers/is-new-resource';
+import { ConfigurationService } from 'core-app/core/config/configuration.service';
+import { insertCollectionIntoState } from 'core-app/core/state/collection-store';
+
+@Injectable()
+export class AttachmentsResourceService {
+  protected store = new AttachmentsStore();
+
+  public query = new QueryEntity(this.store);
+
+  constructor(private readonly I18n:I18nService,
+    private readonly http:HttpClient,
+    private readonly apiV3Service:ApiV3Service,
+    private readonly fileUploadService:OpenProjectFileUploadService,
+    private readonly directFileUploadService:OpenProjectDirectFileUploadService,
+    private readonly configurationService:ConfigurationService,
+    private readonly toastService:ToastService) { }
+
+  /**
+   * This method ensures that a specific collection is fetched, if not available.
+   *
+   * @param key The collection key, of the required collection.
+   */
+  requireCollection(key:string):void {
+    if (this.store.getValue().collections[key]) {
+      return;
+    }
+
+    this.fetchAttachments(key).subscribe();
+  }
+
+  /**
+   * Fetches attachments by the attachment collection self link.
+   * This link is used as key to store the result collection in the resource store.
+   *
+   * @param attachmentsSelfLink The self link of the attachment collection from the parent resource.
+   */
+  fetchAttachments(attachmentsSelfLink:string):Observable<IHALCollection<IAttachment>> {
+    return this.http
+      .get<IHALCollection<IAttachment>>(attachmentsSelfLink)
+      .pipe(
+        tap((collection) => insertCollectionIntoState(this.store, collection, attachmentsSelfLink)),
+        catchError((error) => {
+          this.toastService.addError(error);
+          throw error;
+        }),
+      );
+  }
+
+  /**
+   * Sends deletion request and updates the store collection of attachments.
+   *
+   * @param collectionKey The identifier of the current attachment collection.
+   * @param attachment The attachment to be deleted.
+   */
+  removeAttachment(collectionKey:string, attachment:IAttachment):Observable<void> {
+    const headers = new HttpHeaders({ 'Content-Type': 'application/json' });
+
+    return this.http
+      .delete<void>(attachment._links.delete.href, { withCredentials: true, headers })
+      .pipe(
+        tap(() => {
+          applyTransaction(() => {
+            this.store.remove(attachment.id);
+            this.store.update(({ collections }) => (
+              {
+                collections: {
+                  ...collections,
+                  [collectionKey]: {
+                    ...collections[collectionKey],
+                    ids: (collections[collectionKey]?.ids || []).filter((id) => id !== attachment.id),
+                  },
+                },
+              }
+            ));
+          });
+        }),
+        catchError((error) => {
+          this.toastService.addError(error);
+          throw error;
+        }),
+      );
+  }
+
+  /**
+   * Sends an upload request and updates the store collection of attachments.
+   *
+   * @param resource The HAL resource to attach the files to
+   * @param files The upload files to be attached.
+   */
+  attachFiles(resource:HalResource, files:UploadFile[]):Observable<IAttachment[]> {
+    const identifier = this.getAttachmentsSelfLink(resource) || HAL_NEW_RESOURCE_ID;
+    const href = this.getUploadTarget(resource);
+    const isDirectUpload = !!this.getDirectUploadLink(resource);
+
+    return this
+      .addAttachments(
+        identifier,
+        href,
+        files,
+        isDirectUpload,
+      );
+  }
+
+  /**
+   * Sends an upload request and updates the store collection of attachments.
+   *
+   * @param collectionKey The identifier of the current attachment collection.
+   * @param uploadHref The API target to perform the call against.
+   * @param files The upload files to be attached.
+   * @param isDirectUpload whether the provided upload target is a direct upload URL.
+   */
+  addAttachments(
+    collectionKey:string,
+    uploadHref:string,
+    files:UploadFile[],
+    isDirectUpload = false,
+  ):Observable<IAttachment[]> {
+    return this
+      .uploadAttachments(uploadHref, files, isDirectUpload)
+      .pipe(
+        tap((attachments) => {
+          applyTransaction(() => {
+            this.store.add(attachments);
+            this.store.update(({ collections }) => (
+              {
+                collections: {
+                  ...collections,
+                  [collectionKey]: {
+                    ...collections[collectionKey],
+                    ids: (collections[collectionKey]?.ids || []).concat(attachments.map((a) => a.id)),
+                  },
+                },
+              }
+            ));
+          });
+        }),
+      );
+  }
+
+  private uploadAttachments(href:string, files:UploadFile[], isDirectUpload:boolean):Observable<IAttachment[]> {
+    const { uploads, finished } = isDirectUpload
+      ? this.directFileUploadService.uploadAndMapResponse(href, files)
+      : this.fileUploadService.uploadAndMapResponse(href, files);
+
+    const message = this.I18n.t('js.label_upload_notification');
+    const notification = this.toastService.addAttachmentUpload(message, uploads);
+
+    return from(finished)
+      .pipe(
+        tap(() => {
+          setTimeout(() => this.toastService.remove(notification), 700);
+        }),
+        map((result) => result.map(({ response }) => (response as HalResource).$source as IAttachment)),
+        catchError((error) => {
+          this.toastService.addError(error);
+          throw error;
+        }),
+      );
+  }
+
+  /**
+   * Get the upload target for a HAL resource, depending on its
+   * persisted state and available links.
+   *
+   * This will be one of the following:
+   *   - The direct upload PREPARE URL endpoint for the resource (if direct upload active + resource persisted)
+   *   - The generic prepare URL endpoint (if direct upload active)
+   *   - The resource's own upload HAL link (if persisted)
+   *   - The generic APIv3 attachments endpoint (new resource, no direct upload)
+   *
+   * @param resource The resource we're uploading attachments for.
+   * @returns {string} The API target URL to perform the upload against.
+   * @private
+   */
+  private getUploadTarget(resource:HalResource):string {
+    return this.getDirectUploadLink(resource)
+      || this.getAttachmentsSelfLink(resource)
+      || this.apiV3Service.attachments.path;
+  }
+
+  private getDirectUploadLink(resource:HalResource):string|null {
+    const links = resource.$links as unknown&{ prepareAttachment:HalLink };
+
+    if (links.prepareAttachment) {
+      return links.prepareAttachment.href as string;
+    }
+
+    if (isNewResource(resource)) {
+      return this.configurationService.prepareAttachmentURL as string|null;
+    }
+
+    return null;
+  }
+
+  private getAttachmentsSelfLink(resource:HalResource):string|null {
+    const attachments = resource.attachments as unknown&{ href?:string };
+    return attachments?.href || null;
+  }
+}
diff --git a/frontend/src/app/core/state/attachments/attacments.store.ts b/frontend/src/app/core/state/attachments/attacments.store.ts
new file mode 100644
index 0000000000..63ad270526
--- /dev/null
+++ b/frontend/src/app/core/state/attachments/attacments.store.ts
@@ -0,0 +1,40 @@
+// -- copyright
+// OpenProject is an open source project management software.
+// Copyright (C) 2012-2022 the OpenProject GmbH
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See COPYRIGHT and LICENSE files for more details.
+//++
+
+import { EntityStore, StoreConfig } from '@datorama/akita';
+import { IAttachment } from 'core-app/core/state/attachments/attachment.model';
+import { CollectionState, createInitialCollectionState } from 'core-app/core/state/collection-store';
+
+export interface AttachmentsState extends CollectionState<IAttachment> {}
+
+@StoreConfig({ name: 'attachments' })
+export class AttachmentsStore extends EntityStore<AttachmentsState> {
+  constructor() {
+    super(createInitialCollectionState());
+  }
+}
diff --git a/frontend/src/app/core/state/capabilities/capabilities.query.ts b/frontend/src/app/core/state/capabilities/capabilities.query.ts
new file mode 100644
index 0000000000..3383c51d57
--- /dev/null
+++ b/frontend/src/app/core/state/capabilities/capabilities.query.ts
@@ -0,0 +1,5 @@
+import { QueryEntity } from '@datorama/akita';
+import { CapabilitiesState } from 'core-app/core/state/capabilities/capabilities.store';
+
+export class CapabilitiesQuery extends QueryEntity<CapabilitiesState> {
+}
diff --git a/frontend/src/app/core/state/capabilities/capabilities.service.ts b/frontend/src/app/core/state/capabilities/capabilities.service.ts
new file mode 100644
index 0000000000..fa5468fd88
--- /dev/null
+++ b/frontend/src/app/core/state/capabilities/capabilities.service.ts
@@ -0,0 +1,59 @@
+import { Injectable } from '@angular/core';
+import {
+  catchError,
+  tap,
+} from 'rxjs/operators';
+import { Observable } from 'rxjs';
+import { ID } from '@datorama/akita';
+import { HttpClient } from '@angular/common/http';
+import { ApiV3Service } from 'core-app/core/apiv3/api-v3.service';
+import { ToastService } from 'core-app/shared/components/toaster/toast.service';
+import { IHALCollection } from 'core-app/core/apiv3/types/hal-collection.type';
+import { ApiV3ListParameters } from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
+import {
+  collectionKey,
+  insertCollectionIntoState,
+} from 'core-app/core/state/collection-store';
+import { ICapability } from 'core-app/core/state/capabilities/capability.model';
+import { CapabilitiesStore } from 'core-app/core/state/capabilities/capabilities.store';
+import { CapabilitiesQuery } from 'core-app/core/state/capabilities/capabilities.query';
+
+@Injectable()
+export class CapabilitiesResourceService {
+  protected store = new CapabilitiesStore();
+
+  readonly query = new CapabilitiesQuery(this.store);
+
+  private get capabilitiesPath():string {
+    return this
+      .apiV3Service
+      .capabilities
+      .path;
+  }
+
+  constructor(
+    private http:HttpClient,
+    private apiV3Service:ApiV3Service,
+    private toastService:ToastService,
+  ) {
+  }
+
+  fetchCapabilities(params:ApiV3ListParameters):Observable<IHALCollection<ICapability>> {
+    const collectionURL = collectionKey(params);
+
+    return this
+      .http
+      .get<IHALCollection<ICapability>>(this.capabilitiesPath + collectionURL)
+      .pipe(
+        tap((collection) => insertCollectionIntoState(this.store, collection, collectionURL)),
+        catchError((error) => {
+          this.toastService.addError(error);
+          throw error;
+        }),
+      );
+  }
+
+  update(id:ID, project:Partial<ICapability>):void {
+    this.store.update(id, project);
+  }
+}
diff --git a/frontend/src/app/core/state/capabilities/capabilities.store.ts b/frontend/src/app/core/state/capabilities/capabilities.store.ts
new file mode 100644
index 0000000000..88f16737fd
--- /dev/null
+++ b/frontend/src/app/core/state/capabilities/capabilities.store.ts
@@ -0,0 +1,13 @@
+import { EntityStore, StoreConfig } from '@datorama/akita';
+import { CollectionState, createInitialCollectionState } from 'core-app/core/state/collection-store';
+import { ICapability } from 'core-app/core/state/capabilities/capability.model';
+
+export interface CapabilitiesState extends CollectionState<ICapability> {
+}
+
+@StoreConfig({ name: 'capabilities' })
+export class CapabilitiesStore extends EntityStore<CapabilitiesState> {
+  constructor() {
+    super(createInitialCollectionState());
+  }
+}
diff --git a/frontend/src/app/core/state/capabilities/capability.model.ts b/frontend/src/app/core/state/capabilities/capability.model.ts
new file mode 100644
index 0000000000..9db444fe1e
--- /dev/null
+++ b/frontend/src/app/core/state/capabilities/capability.model.ts
@@ -0,0 +1,17 @@
+import {
+  IHalResourceLink,
+  IHalResourceLinks,
+} from 'core-app/core/state/hal-resource';
+
+export interface ICapabilityHalResourceLinks extends IHalResourceLinks {
+  self:IHalResourceLink;
+
+  action:IHalResourceLink;
+  context:IHalResourceLink;
+  principal:IHalResourceLink;
+}
+
+export interface ICapability {
+  id:string;
+  _links:ICapabilityHalResourceLinks;
+}
diff --git a/frontend/src/app/core/state/collection-store.ts b/frontend/src/app/core/state/collection-store.ts
index f0a5ac7020..b686e40b50 100644
--- a/frontend/src/app/core/state/collection-store.ts
+++ b/frontend/src/app/core/state/collection-store.ts
@@ -1,5 +1,7 @@
 import {
+  applyTransaction,
   EntityState,
+  EntityStore,
   ID,
   QueryEntity,
 } from '@datorama/akita';
@@ -9,9 +11,7 @@ import {
   listParamsString,
 } from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
 import { Observable } from 'rxjs';
-import {
-  filter,
-} from 'rxjs/operators';
+import { filter } from 'rxjs/operators';
 
 export interface CollectionResponse {
   ids:ID[];
@@ -100,3 +100,33 @@ export function selectCollectionAsEntities$<T extends CollectionItem>(service:Co
 
   return selectEntitiesFromIDCollection(service, collection);
 }
+
+/**
+ * Insert a collection into the given entity store
+ *
+ * @param store An entity store for the collection
+ * @param collection A loaded collection
+ * @param collectionUrl The key to insert the collection at
+ */
+export function insertCollectionIntoState<T extends { id:ID }>(
+  store:EntityStore<CollectionState<T>>,
+  collection:IHALCollection<T>,
+  collectionUrl:string,
+):void {
+  // Some JSON endpoints return no elements result if there are no elements
+  const ids = collection._embedded.elements?.map((el) => el.id) || [];
+
+  applyTransaction(() => {
+    store.upsertMany(collection._embedded.elements);
+    store.update(({ collections }) => (
+      {
+        collections: {
+          ...collections,
+          [collectionUrl]: {
+            ids,
+          },
+        },
+      }
+    ));
+  });
+}
diff --git a/frontend/src/app/core/state/in-app-notifications/in-app-notifications.service.ts b/frontend/src/app/core/state/in-app-notifications/in-app-notifications.service.ts
index 1598ed033d..14983eac19 100644
--- a/frontend/src/app/core/state/in-app-notifications/in-app-notifications.service.ts
+++ b/frontend/src/app/core/state/in-app-notifications/in-app-notifications.service.ts
@@ -14,7 +14,10 @@ import { IHALCollection } from 'core-app/core/apiv3/types/hal-collection.type';
 import { HttpClient } from '@angular/common/http';
 import { InAppNotificationsQuery } from 'core-app/core/state/in-app-notifications/in-app-notifications.query';
 import { ApiV3ListParameters } from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
-import { collectionKey } from 'core-app/core/state/collection-store';
+import {
+  collectionKey,
+  insertCollectionIntoState,
+} from 'core-app/core/state/collection-store';
 import {
   markNotificationsAsRead,
   notificationsMarkedRead,
@@ -56,22 +59,7 @@ export class InAppNotificationsResourceService {
       .http
       .get<IHALCollection<InAppNotification>>(this.notificationsPath + collectionURL)
       .pipe(
-        tap((events) => {
-          applyTransaction(() => {
-            this.store.add(events._embedded.elements);
-            this.store.update(({ collections }) => (
-              {
-                collections: {
-                  ...collections,
-                  [collectionURL]: {
-                    ...collections[collectionURL],
-                    ids: events._embedded.elements.map((el) => el.id),
-                  },
-                },
-              }
-            ));
-          });
-        }),
+        tap((collection) => insertCollectionIntoState(this.store, collection, collectionURL)),
         catchError((error) => {
           this.toastService.addError(error);
           throw error;
diff --git a/frontend/src/app/core/state/openproject-state.module.ts b/frontend/src/app/core/state/openproject-state.module.ts
index ac287f28e0..488f325901 100644
--- a/frontend/src/app/core/state/openproject-state.module.ts
+++ b/frontend/src/app/core/state/openproject-state.module.ts
@@ -26,19 +26,20 @@
 // See docs/COPYRIGHT.rdoc for more details.
 //++
 
-import {
-  NgModule,
-} from '@angular/core';
+import { NgModule } from '@angular/core';
+import { AttachmentsResourceService } from 'core-app/core/state/attachments/attachments.service';
 import { InAppNotificationsResourceService } from './in-app-notifications/in-app-notifications.service';
 import { ProjectsResourceService } from './projects/projects.service';
 import { PrincipalsResourceService } from './principals/principals.service';
+import { CapabilitiesResourceService } from 'core-app/core/state/capabilities/capabilities.service';
 
 @NgModule({
   providers: [
+    AttachmentsResourceService,
     InAppNotificationsResourceService,
     ProjectsResourceService,
     PrincipalsResourceService,
+    CapabilitiesResourceService,
   ],
 })
-export class OpenProjectStateModule {
-}
+export class OpenProjectStateModule {}
diff --git a/frontend/src/app/core/state/principals/principals.service.ts b/frontend/src/app/core/state/principals/principals.service.ts
index 241aca40f9..059b702fa7 100644
--- a/frontend/src/app/core/state/principals/principals.service.ts
+++ b/frontend/src/app/core/state/principals/principals.service.ts
@@ -14,13 +14,17 @@ import { IHALCollection } from 'core-app/core/apiv3/types/hal-collection.type';
 import { HttpClient } from '@angular/common/http';
 import { PrincipalsQuery } from 'core-app/core/state/principals/principals.query';
 import { ApiV3ListParameters } from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
-import { collectionKey } from 'core-app/core/state/collection-store';
+import {
+  collectionKey,
+  insertCollectionIntoState,
+} from 'core-app/core/state/collection-store';
 import {
   EffectHandler,
 } from 'core-app/core/state/effects/effect-handler.decorator';
 import { ActionsService } from 'core-app/core/state/actions/actions.service';
 import { PrincipalsStore } from './principals.store';
 import { IPrincipal } from './principal.model';
+import { IUser } from 'core-app/core/state/principals/user.model';
 
 @EffectHandler
 @Injectable()
@@ -41,7 +45,22 @@ export class PrincipalsResourceService {
     private http:HttpClient,
     private apiV3Service:ApiV3Service,
     private toastService:ToastService,
-  ) {
+  ) { }
+
+  fetchUser(id:string|number):Observable<IUser> {
+    return this.http
+      .get<IUser>(this.apiV3Service.users.id(id).path)
+      .pipe(
+        tap((data) => {
+          applyTransaction(() => {
+            this.store.upsertMany([data]);
+          });
+        }),
+        catchError((error) => {
+          this.toastService.addError(error);
+          throw error;
+        }),
+      );
   }
 
   fetchPrincipals(params:ApiV3ListParameters):Observable<IHALCollection<IPrincipal>> {
@@ -51,22 +70,7 @@ export class PrincipalsResourceService {
       .http
       .get<IHALCollection<IPrincipal>>(this.principalsPath + collectionURL)
       .pipe(
-        tap((events) => {
-          applyTransaction(() => {
-            this.store.add(events._embedded.elements);
-            this.store.update(({ collections }) => (
-              {
-                collections: {
-                  ...collections,
-                  [collectionURL]: {
-                    ...collections[collectionURL],
-                    ids: events._embedded.elements.map((el) => el.id),
-                  },
-                },
-              }
-            ));
-          });
-        }),
+        tap((collection) => insertCollectionIntoState(this.store, collection, collectionURL)),
         catchError((error) => {
           this.toastService.addError(error);
           throw error;
diff --git a/frontend/src/app/core/state/projects/projects.service.ts b/frontend/src/app/core/state/projects/projects.service.ts
index 67764a0538..3d06b39c9a 100644
--- a/frontend/src/app/core/state/projects/projects.service.ts
+++ b/frontend/src/app/core/state/projects/projects.service.ts
@@ -14,7 +14,10 @@ import { ToastService } from 'core-app/shared/components/toaster/toast.service';
 import { IHALCollection } from 'core-app/core/apiv3/types/hal-collection.type';
 import { ProjectsQuery } from 'core-app/core/state/projects/projects.query';
 import { ApiV3ListParameters } from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
-import { collectionKey } from 'core-app/core/state/collection-store';
+import {
+  collectionKey,
+  insertCollectionIntoState,
+} from 'core-app/core/state/collection-store';
 import { ProjectsStore } from './projects.store';
 import { IProject } from './project.model';
 
@@ -45,21 +48,7 @@ export class ProjectsResourceService {
       .http
       .get<IHALCollection<IProject>>(this.projectsPath + collectionURL)
       .pipe(
-        tap((events) => {
-          applyTransaction(() => {
-            this.store.add(events._embedded.elements);
-            this.store.update(({ collections }) => (
-              {
-                collections: {
-                  ...collections,
-                  [collectionURL]: {
-                    ids: events._embedded.elements.map((el) => el.id),
-                  },
-                },
-              }
-            ));
-          });
-        }),
+        tap((collection) => insertCollectionIntoState(this.store, collection, collectionURL)),
         catchError((error) => {
           this.toastService.addError(error);
           throw error;
diff --git a/frontend/src/app/core/state/views/views.service.ts b/frontend/src/app/core/state/views/views.service.ts
index 0837c32238..2bcbebb369 100644
--- a/frontend/src/app/core/state/views/views.service.ts
+++ b/frontend/src/app/core/state/views/views.service.ts
@@ -53,7 +53,7 @@ export class ViewsResourceService {
       .pipe(
         tap((events) => {
           applyTransaction(() => {
-            this.store.add(events._embedded.elements);
+            this.store.upsertMany(events._embedded.elements);
             this.store.update(({ collections }) => (
               {
                 collections: {
diff --git a/frontend/src/app/features/boards/board/board-actions/board-actions-registry.service.ts b/frontend/src/app/features/boards/board/board-actions/board-actions-registry.service.ts
index 095fa61588..4e44482669 100644
--- a/frontend/src/app/features/boards/board/board-actions/board-actions-registry.service.ts
+++ b/frontend/src/app/features/boards/board/board-actions/board-actions-registry.service.ts
@@ -1,17 +1,28 @@
 import { Injectable } from '@angular/core';
 import { BoardActionService } from 'core-app/features/boards/board/board-actions/board-action.service';
+import { ITileViewEntry } from 'core-app/features/boards/tile-view/tile-view.component';
+import { BannersService } from 'core-app/core/enterprise/banners.service';
 
 @Injectable({ providedIn: 'root' })
 export class BoardActionsRegistryService {
+  constructor(
+    private bannersService:BannersService,
+  ) {}
+
   private mapping:{ [attribute:string]:BoardActionService } = {};
 
-  public add(attribute:string, service:BoardActionService) {
+  public add(attribute:string, service:BoardActionService):void {
     this.mapping[attribute] = service;
   }
 
-  public available() {
+  public available():ITileViewEntry[] {
     return _.map(this.mapping, (service:BoardActionService, attribute:string) => ({
-      attribute, text: service.localizedName, icon: '', description: '', image: '',
+      attribute,
+      text: service.localizedName,
+      icon: '',
+      description: '',
+      image: '',
+      disabled: this.bannersService.eeShowBanners,
     }));
   }
 
diff --git a/frontend/src/app/features/boards/board/board-partitioned-page/board-list-container.component.html b/frontend/src/app/features/boards/board/board-partitioned-page/board-list-container.component.html
index e42d7ecf4e..1fbc16ec0b 100644
--- a/frontend/src/app/features/boards/board/board-partitioned-page/board-list-container.component.html
+++ b/frontend/src/app/features/boards/board/board-partitioned-page/board-list-container.component.html
@@ -1,12 +1,13 @@
 <ng-container *ngIf="(board$ | async) as board">
-  <div class="boards-list--container"
-       [ngClass]="{ '-free' : board.isFree }"
-       #container
-       *ngIf="showBoardListView()"
-       cdkDropList
-       [cdkDropListDisabled]="!board.editable"
-       cdkDropListOrientation="horizontal"
-       (cdkDropListDropped)="moveList(board, $event)"
+  <div
+    *ngIf="!eeShowBanners || board.isFree"
+    class="boards-list--container"
+    [ngClass]="{ '-free' : board.isFree }"
+    #container
+    cdkDropList
+    [cdkDropListDisabled]="!board.editable"
+    cdkDropListOrientation="horizontal"
+    (cdkDropListDropped)="moveList(board, $event)"
   >
     <div *ngFor="let boardWidget of boardWidgets; trackBy:trackByQueryId"
          class="boards-list--item"
@@ -39,11 +40,12 @@
       </div>
     </div>
   </div>
-
-  <enterprise-banner *ngIf="!showBoardListView()"
-                     [leftMargin]="true"
-                     [linkMessage]="text.upsaleCheckOutLink"
-                     [textMessage]="text.upsaleBoards"
-                     [opReferrer]="opReferrer(board)">
+  <enterprise-banner
+    *ngIf="eeShowBanners"
+    [leftMargin]="true"
+    [linkMessage]="text.upgrade_to_ee_text"
+    [textMessage]="text.teaser_text"
+    opReferrer="boards#board-show"
+  >
   </enterprise-banner>
 </ng-container>
\ No newline at end of file
diff --git a/frontend/src/app/features/boards/board/board-partitioned-page/board-list-container.component.ts b/frontend/src/app/features/boards/board/board-partitioned-page/board-list-container.component.ts
index a03488024f..ac271a83f6 100644
--- a/frontend/src/app/features/boards/board/board-partitioned-page/board-list-container.component.ts
+++ b/frontend/src/app/features/boards/board/board-partitioned-page/board-list-container.component.ts
@@ -39,10 +39,10 @@ export class BoardListContainerComponent extends UntilDestroyedMixin implements
     updateSuccessful: this.I18n.t('js.notice_successful_update'),
     loadingError: 'No such board found',
     addList: this.I18n.t('js.boards.add_list'),
-    upsaleBoards: this.I18n.t('js.boards.upsale.teaser_text'),
-    upsaleCheckOutLink: this.I18n.t('js.work_packages.table_configuration.upsale.check_out_link'),
     unnamedList: this.I18n.t('js.boards.label_unnamed_list'),
     hiddenListWarning: this.I18n.t('js.boards.text_hidden_list_warning'),
+    teaser_text: this.I18n.t('js.boards.upsale.teaser_text'),
+    upgrade_to_ee_text: this.I18n.t('js.boards.upsale.upgrade'),
   };
 
   /** Container reference */
@@ -71,6 +71,8 @@ export class BoardListContainerComponent extends UntilDestroyedMixin implements
 
   showHiddenListWarning:boolean = false;
 
+  eeShowBanners = this.Banner.eeShowBanners;
+
   private currentQueryUpdatedMonitoring:Subscription;
 
   constructor(readonly I18n:I18nService,
@@ -150,14 +152,6 @@ export class BoardListContainerComponent extends UntilDestroyedMixin implements
     }
   }
 
-  showBoardListView() {
-    return !this.Banner.eeShowBanners;
-  }
-
-  opReferrer(board:Board) {
-    return board.isFree ? 'boards#free' : 'boards#status';
-  }
-
   saveBoard(board:Board):void {
     this.boardComponent.boardSaver.request(board);
   }
diff --git a/frontend/src/app/features/boards/boards-sidebar/boards-menu.component.html b/frontend/src/app/features/boards/boards-sidebar/boards-menu.component.html
index ab7c390493..3cf87a5457 100644
--- a/frontend/src/app/features/boards/boards-sidebar/boards-menu.component.html
+++ b/frontend/src/app/features/boards/boards-sidebar/boards-menu.component.html
@@ -1,9 +1,12 @@
-<op-sidemenu
-  *ngIf="(boardOptions$ | async) as items"
-  [items]="items"
+<div
   class="op-sidebar--body"
 >
-</op-sidemenu>
+  <op-sidemenu
+    *ngIf="(boardOptions$ | async) as items"
+    [items]="items"
+  >
+  </op-sidemenu>
+</div>
 
 <div class="op-sidebar--footer">
   <button
@@ -11,6 +14,7 @@
     class="spot-button spot-button_outlined"
     (click)="showNewBoardModal()"
   >
-    {{text.create_new_board}}
+    <span class="spot-icon spot-icon_add"></span>
+    <span [textContent]="text.create_new_board"></span>
   </button>
 </div>
diff --git a/frontend/src/app/features/boards/boards-sidebar/boards-menu.component.ts b/frontend/src/app/features/boards/boards-sidebar/boards-menu.component.ts
index 9ce01c7810..9d6ac18bb9 100644
--- a/frontend/src/app/features/boards/boards-sidebar/boards-menu.component.ts
+++ b/frontend/src/app/features/boards/boards-sidebar/boards-menu.component.ts
@@ -31,14 +31,11 @@ export const boardsMenuSelector = 'boards-menu';
 export class BoardsMenuComponent extends UntilDestroyedMixin implements OnInit {
   @HostBinding('class.op-sidebar') className = true;
 
-  selectedBoardId:string;
-
   boardOptions$:Observable<IOpSidemenuItem[]> = this
     .apiV3Service
     .boards
     .observeAll()
     .pipe(
-      skip(1),
       map((boards:Board[]) => {
         const menuItems:IOpSidemenuItem[] = boards.map((board) => ({
           title: board.name,
@@ -88,7 +85,7 @@ export class BoardsMenuComponent extends UntilDestroyedMixin implements OnInit {
       .onActivate('board_view')
       .subscribe(() => {
         this.focusBackArrow();
-        this.boardService.loadAllBoards();
+        void this.boardService.loadAllBoards();
       });
   }
 
diff --git a/frontend/src/app/features/boards/index-page/boards-index-page.component.html b/frontend/src/app/features/boards/index-page/boards-index-page.component.html
index 8c4b354f17..982b58ae47 100644
--- a/frontend/src/app/features/boards/index-page/boards-index-page.component.html
+++ b/frontend/src/app/features/boards/index-page/boards-index-page.component.html
@@ -3,8 +3,7 @@
     <div class="title-container">
       <h2 [textContent]="text.boards"></h2>
     </div>
-    <ul class="toolbar-items"
-        *ngIf="showBoardIndexView()">
+    <ul class="toolbar-items">
       <li *ngIf="canAdd"
           class="toolbar-item">
         <a class="button -alt-highlight"
@@ -22,7 +21,7 @@
 
 <div class="boards--listing-group loading-indicator--location"
      data-indicator-name="boards-module">
-  <div *ngIf="showBoardIndexView() && (boards$ | async) as boards"
+  <div *ngIf="(boards$ | async) as boards"
        class="generic-table--container">
     <div class="generic-table--results-container">
       <table class="generic-table">
@@ -108,31 +107,3 @@
     </div>
   </div>
 </div>
-
-<div *ngIf="!showBoardIndexView()"
-     class="boards--teaser-container">
-  <p>{{ text.teaser_text }}</p>
-  <p>{{ text.enterprise }}</p>
-
-  <a class="button -alt-highlight -with-icon icon-checkmark"
-     [href]="eeLink()"
-     target='blank'>
-    {{ text.upgrade }}
-  </a>
-
-  <a class="button -highlight-inverted"
-     [href]="demoLink()"
-     [textContent]="text.personal_demo"
-     target="_blank"
-  >
-  </a>
-
-  <div class="boards--teaser-video-container">
-    <iframe [src]="teaserVideoURL"
-            class="boards--teaser-video"
-            frameborder="0"
-            allow="autoplay; fullscreen"
-            allowfullscreen>
-    </iframe>
-  </div>
-</div>
diff --git a/frontend/src/app/features/boards/index-page/boards-index-page.component.ts b/frontend/src/app/features/boards/index-page/boards-index-page.component.ts
index 833efb65cb..9593998974 100644
--- a/frontend/src/app/features/boards/index-page/boards-index-page.component.ts
+++ b/frontend/src/app/features/boards/index-page/boards-index-page.component.ts
@@ -1,5 +1,8 @@
 import {
-  AfterViewInit, Component, Injector, OnInit,
+  AfterViewInit,
+  Component,
+  Injector,
+  OnInit,
 } from '@angular/core';
 import { Observable } from 'rxjs';
 import { I18nService } from 'core-app/core/i18n/i18n.service';
@@ -8,12 +11,9 @@ import { Board } from 'core-app/features/boards/board/board';
 import { ToastService } from 'core-app/shared/components/toaster/toast.service';
 import { OpModalService } from 'core-app/shared/components/modal/modal.service';
 import { NewBoardModalComponent } from 'core-app/features/boards/new-board-modal/new-board-modal.component';
-import { BannersService } from 'core-app/core/enterprise/banners.service';
 import { LoadingIndicatorService } from 'core-app/core/loading-indicator/loading-indicator.service';
 import { AuthorisationService } from 'core-app/core/model-auth/model-auth.service';
 import { contactUrl } from 'core-app/core/setup/globals/constants.const';
-import { DomSanitizer } from '@angular/platform-browser';
-import { boardTeaserVideoURL } from 'core-app/features/boards/board-constants.const';
 import { UntilDestroyedMixin } from 'core-app/shared/helpers/angular/until-destroyed.mixin';
 import { componentDestroyed } from '@w11k/ngx-componentdestroyed';
 import { ApiV3Service } from 'core-app/core/apiv3/api-v3.service';
@@ -38,11 +38,6 @@ export class BoardsIndexPageComponent extends UntilDestroyedMixin implements OnI
     areYouSure: this.I18n.t('js.text_are_you_sure'),
     deleteSuccessful: this.I18n.t('js.notice_successful_delete'),
     noResults: this.I18n.t('js.notice_no_results_to_display'),
-
-    teaser_text: this.I18n.t('js.boards.upsale.teaser_text'),
-    enterprise: this.I18n.t('js.boards.upsale.upgrade_to_ee_text'),
-    upgrade: this.I18n.t('js.boards.upsale.upgrade'),
-    personal_demo: this.I18n.t('js.boards.upsale.personal_demo'),
   };
 
   public canAdd = false;
@@ -55,9 +50,8 @@ export class BoardsIndexPageComponent extends UntilDestroyedMixin implements OnI
       map((boards:Board[]) => boards.sort((a, b) => a.name.localeCompare(b.name))),
     );
 
-  teaserVideoURL = this.domSanitizer.bypassSecurityTrustResourceUrl(boardTeaserVideoURL);
-
-  constructor(private readonly boardService:BoardService,
+  constructor(
+    private readonly boardService:BoardService,
     private readonly apiV3Service:ApiV3Service,
     private readonly I18n:I18nService,
     private readonly toastService:ToastService,
@@ -65,8 +59,7 @@ export class BoardsIndexPageComponent extends UntilDestroyedMixin implements OnI
     private readonly loadingIndicatorService:LoadingIndicatorService,
     private readonly authorisationService:AuthorisationService,
     private readonly injector:Injector,
-    private readonly bannerService:BannersService,
-    private readonly domSanitizer:DomSanitizer) {
+  ) {
     super();
   }
 
@@ -83,11 +76,11 @@ export class BoardsIndexPageComponent extends UntilDestroyedMixin implements OnI
     loadingIndicator.promise = this.boardService.loadAllBoards();
   }
 
-  newBoard() {
+  newBoard():void {
     this.opModalService.show(NewBoardModalComponent, this.injector);
   }
 
-  destroyBoard(board:Board) {
+  destroyBoard(board:Board):void {
     if (!window.confirm(this.text.areYouSure)) {
       return;
     }
@@ -99,16 +92,4 @@ export class BoardsIndexPageComponent extends UntilDestroyedMixin implements OnI
       })
       .catch((error) => this.toastService.addError(`Deletion failed: ${error}`));
   }
-
-  public showBoardIndexView() {
-    return !this.bannerService.eeShowBanners;
-  }
-
-  public eeLink() {
-    return this.bannerService.getEnterPriseEditionUrl({ referrer: 'boards' });
-  }
-
-  public demoLink():string {
-    return contactUrl[this.I18n.locale] || contactUrl.en;
-  }
 }
diff --git a/frontend/src/app/features/boards/new-board-modal/new-board-modal.component.ts b/frontend/src/app/features/boards/new-board-modal/new-board-modal.component.ts
index 3000487343..ee181c425f 100644
--- a/frontend/src/app/features/boards/new-board-modal/new-board-modal.component.ts
+++ b/frontend/src/app/features/boards/new-board-modal/new-board-modal.component.ts
@@ -27,7 +27,12 @@
 //++
 
 import {
-  ChangeDetectorRef, Component, ElementRef, Inject, ViewChild,
+  ChangeDetectorRef,
+  Component,
+  ElementRef,
+  Inject,
+  OnInit,
+  ViewChild,
 } from '@angular/core';
 import { OpModalComponent } from 'core-app/shared/components/modal/modal.component';
 import { OpModalLocalsToken } from 'core-app/shared/components/modal/modal.service';
@@ -41,11 +46,13 @@ import { LoadingIndicatorService } from 'core-app/core/loading-indicator/loading
 import { HalResourceNotificationService } from 'core-app/features/hal/services/hal-resource-notification.service';
 import { imagePath } from 'core-app/shared/helpers/images/path-helper';
 import { ITileViewEntry } from '../tile-view/tile-view.component';
+import { BannersService } from 'core-app/core/enterprise/banners.service';
+import { ToastService } from 'core-app/shared/components/toaster/toast.service';
 
 @Component({
   templateUrl: './new-board-modal.html',
 })
-export class NewBoardModalComponent extends OpModalComponent {
+export class NewBoardModalComponent extends OpModalComponent implements OnInit {
   @ViewChild('actionAttributeSelect', { static: true }) actionAttributeSelect:ElementRef;
 
   public showClose = true;
@@ -56,7 +63,9 @@ export class NewBoardModalComponent extends OpModalComponent {
 
   public inFlight = false;
 
-  public text:any = {
+  public eeShowBanners = false;
+
+  public text = {
     close_popup: this.I18n.t('js.close_popup_title'),
 
     free_board: this.I18n.t('js.boards.board_type.free'),
@@ -69,10 +78,14 @@ export class NewBoardModalComponent extends OpModalComponent {
     select_attribute: this.I18n.t('js.boards.board_type.select_attribute'),
     select_board_type: this.I18n.t('js.boards.board_type.select_board_type'),
     placeholder: this.I18n.t('js.placeholders.selection'),
+
+    teaser_text: this.I18n.t('js.boards.upsale.teaser_text'),
+    upgrade_to_ee_text: this.I18n.t('js.boards.upsale.upgrade'),
   };
 
-  constructor(readonly elementRef:ElementRef,
+  constructor(
     @Inject(OpModalLocalsToken) public locals:OpModalLocalsMap,
+    readonly elementRef:ElementRef,
     readonly cdRef:ChangeDetectorRef,
     readonly state:StateService,
     readonly boardService:BoardService,
@@ -80,12 +93,20 @@ export class NewBoardModalComponent extends OpModalComponent {
     readonly halNotification:HalResourceNotificationService,
     readonly loadingIndicatorService:LoadingIndicatorService,
     readonly I18n:I18nService,
-    readonly boardActionRegistry:BoardActionsRegistryService) {
+    readonly boardActionRegistry:BoardActionsRegistryService,
+    readonly bannersService:BannersService,
+    readonly toastService:ToastService,
+  ) {
     super(locals, cdRef, elementRef);
     this.initiateTiles();
   }
 
-  public createBoard(attribute:string) {
+  ngOnInit():void {
+    super.ngOnInit();
+    this.eeShowBanners = this.bannersService.eeShowBanners;
+  }
+
+  public createBoard(attribute:string):void {
     if (attribute === 'basic') {
       this.createFree();
     } else {
@@ -111,7 +132,12 @@ export class NewBoardModalComponent extends OpModalComponent {
     this.create({ type: 'free' });
   }
 
-  private createAction(attribute:string) {
+  private createAction(attribute:string):void {
+    if (this.eeShowBanners) {
+      this.toastService.addError(this.I18n.t('js.upsale.ee_only'));
+      return;
+    }
+
     this.create({ type: 'action', attribute });
   }
 
diff --git a/frontend/src/app/features/boards/new-board-modal/new-board-modal.html b/frontend/src/app/features/boards/new-board-modal/new-board-modal.html
index 310f8d0875..af8a8d76e9 100644
--- a/frontend/src/app/features/boards/new-board-modal/new-board-modal.html
+++ b/frontend/src/app/features/boards/new-board-modal/new-board-modal.html
@@ -1,16 +1,25 @@
 <div
-  class="op-modal op-modal_wide confirm-form-submit--modal loading-indicator--location" 
+  class="op-modal op-modal_wide confirm-form-submit--modal loading-indicator--location"
   data-indicator-name="modal"
 >
   <op-modal-header (close)="closeMe($event)">{{text.board_type}}</op-modal-header>
 
   <div class="op-modal--body">
-    <p [textContent]="text.select_board_type"></p>
+    <enterprise-banner
+      *ngIf="eeShowBanners"
+      [linkMessage]="text.upgrade_to_ee_text"
+      [textMessage]="text.teaser_text"
+      opReferrer="boards"
+    ></enterprise-banner>
+
+    <p
+      *ngIf="!eeShowBanners"
+      [textContent]="text.select_board_type"></p>
     <section class="new-board--section">
       <tile-view
-      [tiles]="available"
-      [disable]="inFlight"
-      (create)="createBoard($event)">
+        [tiles]="available"
+        [disable]="inFlight"
+        (create)="createBoard($event)">
       </tile-view>
     </section>
   </div>
diff --git a/frontend/src/app/features/boards/tile-view/tile-view.component.html b/frontend/src/app/features/boards/tile-view/tile-view.component.html
index e5f37dea89..b62bdd6b30 100644
--- a/frontend/src/app/features/boards/tile-view/tile-view.component.html
+++ b/frontend/src/app/features/boards/tile-view/tile-view.component.html
@@ -1,15 +1,19 @@
-<div class="tile-blocks--container">
+<div class="op-tile-block">
   <button
     *ngFor="let tile of tiles"
-    class="tile-block button"
+    class="op-tile-block--tile button"
+    data-qa-selector="op-tile-block"
     type="button"
-    [disabled]="disabled()"
+    [disabled]="tile.disabled || disable"
     (click)="created(tile.attribute)"
   >
-    <img [src]="tile.image" class="tile-block-image"/>
+    <img [src]="tile.image" class="op-tile-block--image"/>
     <div>
-      <span class="tile-block-title">{{ tile.text }}</span>
-      <p class="tile-block-description" [textContent]="tile.description"></p>
+      <span
+        data-qa-selector="op-tile-block-title"
+        class="op-tile-block--title"
+      >{{ tile.text }}</span>
+      <p class="op-tile-block--description" [textContent]="tile.description"></p>
     </div>
   </button>
 </div>
\ No newline at end of file
diff --git a/frontend/src/app/features/boards/tile-view/tile-view.component.sass b/frontend/src/app/features/boards/tile-view/tile-view.component.sass
index 9a41187fe5..36357d8b89 100644
--- a/frontend/src/app/features/boards/tile-view/tile-view.component.sass
+++ b/frontend/src/app/features/boards/tile-view/tile-view.component.sass
@@ -1,44 +1,47 @@
-.tile-blocks--container
+.op-tile-block
+  $block: &
   display: grid
   grid-template-rows: repeat(minmax(200px, auto))
   grid-template-columns: auto auto
   grid-column-gap: 10px
   grid-row-gap: 10px
 
-
-.tile-block
-  border-radius: 10px
-  display: grid
-  grid-template: 95px 1fr / 1fr
-  grid-template-columns: auto 1fr auto
-  grid-template-rows: auto
-  grid-row-gap: 5px
-  justify-items: left
-  background: #f7fafc
-  min-height: 150px
-
-  &:hover
-    text-decoration: none
-    border: 1px solid grey
-    border-radius: 10px !important
-    cursor: pointer
-
-.tile-block-image
-  display: block
-  margin-top: auto
-  margin-bottom: auto
-
-.tile-block-title
-  padding-top: 30px
-  padding-bottom: 5px
-  color: var(--primary-color-dark)
-  display: block
-  text-align: left
-  font-weight: bolder
-  font-size: large
-
-.tile-block p
-  text-align: left 
-  width: 90%
+  &--tile
+    border-radius: 10px
+    display: grid
+    grid-template: 95px 1fr / 1fr
+    grid-template-columns: auto 1fr auto
+    grid-template-rows: auto
+    grid-row-gap: 5px
+    justify-items: left
+    background: #f7fafc
+    min-height: 150px
+
+    &:disabled
+      background: #fafafa
+
+    &:hover
+      text-decoration: none
+      border: 1px solid grey
+      border-radius: 10px !important
+      cursor: pointer
+
+  &--image
+    display: block
+    margin-top: auto
+    margin-bottom: auto
+
+  &--title
+    padding-top: 30px
+    padding-bottom: 5px
+    color: var(--primary-color-dark)
+    display: block
+    text-align: left
+    font-weight: bolder
+    font-size: large
+
+  &--description
+    text-align: left
+    width: 90%
 
 
diff --git a/frontend/src/app/features/boards/tile-view/tile-view.component.spec.ts b/frontend/src/app/features/boards/tile-view/tile-view.component.spec.ts
index 357e8e20b9..6dac4b09b0 100644
--- a/frontend/src/app/features/boards/tile-view/tile-view.component.spec.ts
+++ b/frontend/src/app/features/boards/tile-view/tile-view.component.spec.ts
@@ -34,19 +34,19 @@ describe('shows tiles', () => {
 
   it('should render the componenet successfully', () => {
     fixture.detectChanges();
-    const tile = document.querySelector('.tile-blocks--container');
+    const tile = document.querySelector('.op-tile-block--title');
     expect(document.contains(tile)).toBeTruthy();
   });
 
   it('should show each tile', () => {
     fixture.detectChanges();
-    const tile:HTMLElement = element.query(By.css('.tile-block')).nativeElement;
+    const tile:HTMLElement = element.query(By.css('.op-tile-block--title')).nativeElement;
     expect(tile.textContent).toContain('Basic');
   });
 
   it('should show the image', () => {
     fixture.detectChanges();
-    const tile = document.querySelector('.tile-block-image');
+    const tile = document.querySelector('.op-tile-block--image');
     expect(document.contains(tile)).toBeTruthy();
   });
 });
diff --git a/frontend/src/app/features/boards/tile-view/tile-view.component.ts b/frontend/src/app/features/boards/tile-view/tile-view.component.ts
index 1ab4927874..8390eeff1b 100644
--- a/frontend/src/app/features/boards/tile-view/tile-view.component.ts
+++ b/frontend/src/app/features/boards/tile-view/tile-view.component.ts
@@ -8,6 +8,7 @@ export interface ITileViewEntry {
   icon:string;
   description:string;
   image:string;
+  disabled?:boolean;
 }
 
 @Component({
@@ -23,10 +24,6 @@ export class TileViewComponent {
 
   @Output() public create = new EventEmitter<string>();
 
-  public disabled() {
-    return this.disable;
-  }
-
   public created(attribute:string) {
     this.create.emit(attribute);
   }
diff --git a/frontend/src/app/features/calendar/op-calendar.service.ts b/frontend/src/app/features/calendar/op-calendar.service.ts
index a54b0ad2a0..0ff6cb415e 100644
--- a/frontend/src/app/features/calendar/op-calendar.service.ts
+++ b/frontend/src/app/features/calendar/op-calendar.service.ts
@@ -1,6 +1,7 @@
 import {
   ElementRef,
   Injectable,
+  Injector,
 } from '@angular/core';
 import {
   CalendarOptions,
@@ -45,6 +46,10 @@ import { ResourceChangeset } from 'core-app/shared/components/fields/changeset/r
 import * as moment from 'moment';
 import { WorkPackageViewSelectionService } from 'core-app/features/work-packages/routing/wp-view-base/view-services/wp-view-selection.service';
 import { isClickedWithModifier } from 'core-app/shared/helpers/link-handling/link-handling';
+import { uiStateLinkClass } from 'core-app/features/work-packages/components/wp-fast-table/builders/ui-state-link-builder';
+import { debugLog } from 'core-app/shared/helpers/debug_output';
+import { WorkPackageViewContextMenu } from 'core-app/shared/components/op-context-menu/wp-context-menu/wp-view-context-menu.directive';
+import { OPContextMenuService } from 'core-app/shared/components/op-context-menu/op-context-menu.service';
 
 export interface CalendarViewEvent {
   el:HTMLElement;
@@ -73,8 +78,9 @@ export class OpCalendarService extends UntilDestroyedMixin {
     private I18n:I18nService,
     private configuration:ConfigurationService,
     private sanitizer:DomSanitizer,
-    readonly schemaCache:SchemaCacheService,
     private $state:StateService,
+    readonly injector:Injector,
+    readonly schemaCache:SchemaCacheService,
     readonly toastService:ToastService,
     readonly wpTableFilters:WorkPackageViewFiltersService,
     readonly wpListService:WorkPackagesListService,
@@ -87,6 +93,7 @@ export class OpCalendarService extends UntilDestroyedMixin {
     readonly timezoneService:TimezoneService,
     readonly halEditing:HalResourceEditingService,
     readonly wpTableSelection:WorkPackageViewSelectionService,
+    readonly contextMenuService:OPContextMenuService,
   ) {
     super();
   }
@@ -236,10 +243,14 @@ export class OpCalendarService extends UntilDestroyedMixin {
     return this.urlParams.cview as string|undefined;
   }
 
-  public eventDurationEditable(wp:WorkPackageResource):boolean {
+  dateEditable(wp:WorkPackageResource):boolean {
     const schema = this.schemaCache.of(wp);
     const schemaEditable = schema.isAttributeEditable('startDate') && schema.isAttributeEditable('dueDate');
-    return (wp.isLeaf || wp.scheduleManually) && schemaEditable && !this.isMilestone(wp);
+    return (wp.isLeaf || wp.scheduleManually) && schemaEditable;
+  }
+
+  eventDurationEditable(wp:WorkPackageResource):boolean {
+    return this.dateEditable(wp) && !this.isMilestone(wp);
   }
 
   /**
@@ -273,6 +284,27 @@ export class OpCalendarService extends UntilDestroyedMixin {
     this.openSplitView(workPackageId, true);
   }
 
+  public showEventContextMenu({ workPackageId, event }:{ workPackageId:string, event:MouseEvent }):void {
+    if (isClickedWithModifier(event)) {
+      return;
+    }
+
+    // We want to keep the original context menu on hrefs
+    // (currently, this is only the id)
+    if ((event.target as HTMLElement).closest(`.${uiStateLinkClass}`)) {
+      debugLog('Allowing original context menu on state link');
+      return;
+    }
+
+    // Set the selection to single
+    this.wpTableSelection.setSelection(workPackageId, -1);
+
+    event.preventDefault();
+
+    const handler = new WorkPackageViewContextMenu(this.injector, workPackageId, jQuery(event.target as HTMLElement));
+    this.contextMenuService.show(handler, event);
+  }
+
   private defaultOptions():CalendarOptions {
     return {
       editable: false,
@@ -301,6 +333,8 @@ export class OpCalendarService extends UntilDestroyedMixin {
         { n: 'status', o: '*', v: [] },
         this.dateFilter(startDate, endDate),
       ],
+      dr: 'cards',
+      hi: false,
       pp: OpCalendarService.MAX_DISPLAYED,
       pa: 1,
     };
diff --git a/frontend/src/app/features/calendar/sidemenu/calendar-sidemenu.component.html b/frontend/src/app/features/calendar/sidemenu/calendar-sidemenu.component.html
index c32e769d96..2d622525b6 100644
--- a/frontend/src/app/features/calendar/sidemenu/calendar-sidemenu.component.html
+++ b/frontend/src/app/features/calendar/sidemenu/calendar-sidemenu.component.html
@@ -15,6 +15,7 @@
     [uiSref]="createButton.uiSref"
     [uiParams]="createButton.uiParams"
   >
-    {{createButton.title}}
+    <span class="spot-icon spot-icon_add"></span>
+    <span [textContent]="createButton.title"></span>
   </button>
 </div>
diff --git a/frontend/src/app/features/calendar/wp-calendar/wp-calendar.component.ts b/frontend/src/app/features/calendar/wp-calendar/wp-calendar.component.ts
index 832f5c852e..96a485e3c8 100644
--- a/frontend/src/app/features/calendar/wp-calendar/wp-calendar.component.ts
+++ b/frontend/src/app/features/calendar/wp-calendar/wp-calendar.component.ts
@@ -33,7 +33,10 @@ import { debounceTime } from 'rxjs/operators';
 import { ConfigurationService } from 'core-app/core/config/configuration.service';
 import { UntilDestroyedMixin } from 'core-app/shared/helpers/angular/until-destroyed.mixin';
 import { SchemaCacheService } from 'core-app/core/schemas/schema-cache.service';
-import { OpCalendarService } from 'core-app/features/calendar/op-calendar.service';
+import {
+  CalendarViewEvent,
+  OpCalendarService,
+} from 'core-app/features/calendar/op-calendar.service';
 import { Subject } from 'rxjs';
 import { CurrentProjectService } from 'core-app/core/current-project/current-project.service';
 import interactionPlugin, { EventResizeDoneArg } from '@fullcalendar/interaction';
@@ -141,6 +144,11 @@ export class WorkPackagesCalendarComponent extends UntilDestroyedMixin implement
       select: this.handleDateClicked.bind(this) as unknown,
       eventResizableFromStart: true,
       editable: true,
+      eventDidMount: (evt:CalendarViewEvent) => {
+        const { el, event } = evt;
+        const workPackage = event.extendedProps.workPackage as WorkPackageResource;
+        el.dataset.workPackageId = workPackage.id as string;
+      },
       eventResize: (resizeInfo:EventResizeDoneArg) => this.updateEvent(resizeInfo),
       eventDrop: (dropInfo:EventDropArg) => this.updateEvent(dropInfo),
       eventClick: (evt:EventClickArg) => {
@@ -172,6 +180,16 @@ export class WorkPackagesCalendarComponent extends UntilDestroyedMixin implement
     };
   }
 
+  public openContextMenu(event:MouseEvent):void {
+    const eventContainer = (event.target as HTMLElement).closest('.fc-event') as HTMLElement|undefined;
+    if (!eventContainer) {
+      return;
+    }
+
+    const workPackageId = eventContainer.dataset.workPackageId as string;
+    this.calendar.showEventContextMenu({ workPackageId, event });
+  }
+
   private setupWorkPackagesListener():void {
     this.calendar.workPackagesListener$(() => {
       this.alreadyLoaded = true;
diff --git a/frontend/src/app/features/calendar/wp-calendar/wp-calendar.template.html b/frontend/src/app/features/calendar/wp-calendar/wp-calendar.template.html
index e214743597..de1964ac7c 100644
--- a/frontend/src/app/features/calendar/wp-calendar/wp-calendar.template.html
+++ b/frontend/src/app/features/calendar/wp-calendar/wp-calendar.template.html
@@ -1,5 +1,6 @@
 <div class="op-wp-calendar"
      data-qa-selector="op-wp-calendar"
+     (contextmenu)="openContextMenu($event)"
      [attr.data-indicator-name]="'table'">
     <ng-container
       *ngIf="(calendarOptions$ | async) as calendarOptions"
diff --git a/frontend/src/app/features/hal/helpers/is-new-resource.ts b/frontend/src/app/features/hal/helpers/is-new-resource.ts
index d7f29ef0e2..be9919898e 100644
--- a/frontend/src/app/features/hal/helpers/is-new-resource.ts
+++ b/frontend/src/app/features/hal/helpers/is-new-resource.ts
@@ -1,3 +1,5 @@
+export const HAL_NEW_RESOURCE_ID = 'new';
+
 export default function isNewResource(resource:{ id:string|null }):boolean {
-  return !resource.id || resource.id === 'new';
+  return !resource.id || resource.id === HAL_NEW_RESOURCE_ID;
 }
diff --git a/frontend/src/app/features/hal/services/hal-resource.service.ts b/frontend/src/app/features/hal/services/hal-resource.service.ts
index c49259b275..04d618a0d9 100644
--- a/frontend/src/app/features/hal/services/hal-resource.service.ts
+++ b/frontend/src/app/features/hal/services/hal-resource.service.ts
@@ -65,6 +65,7 @@ import {
 } from 'core-app/features/hal/resources/hal-resource';
 import { initializeHalProperties } from '../helpers/hal-resource-builder';
 import { HalError } from 'core-app/features/hal/services/hal-error';
+import { getPaginatedCollections } from 'core-app/core/apiv3/helpers/get-paginated-results';
 
 export interface HalResourceFactoryConfigInterface {
   cls?:any;
@@ -142,46 +143,23 @@ export class HalResourceService {
    * Return all potential pages to the request, when the elements returned from API is smaller
    * than the expected.
    *
-   * @param href
-   * @param expected The expected number of elements
-   * @param params
-   * @param headers
-   * @return {Promise<CollectionResource[]>}
+   * @param href The URL to request
+   * @param params Parameters to pass to each paged request
+   * @param headers Headers to pass to each paged request
+   * @return {Observable<CollectionResource[]>}
    */
-  public async getAllPaginated<T extends CollectionResource>(
+  public getAllPaginated<T extends CollectionResource>(
     href:string,
-    expected:number,
     params:Record<string, string|number> = {},
     headers:HTTPClientHeaders = {},
-  ):Promise<T[]> {
-    // Total number retrieved
-    let retrieved = 0;
-    // Current offset page
-    let page = 1;
-    // Accumulated results
-    const allResults:T[] = [];
-    // If possible, request all at once.
-    const requestParams = { ...params };
-    requestParams.pageSize = expected;
-
-    while (retrieved < expected) {
-      requestParams.offset = page;
-
-      const promise = this.request<T>('get', href, this.toEprops(requestParams), headers).toPromise();
-      // eslint-disable-next-line no-await-in-loop
-      const results = await promise;
-
-      if (results.count === 0) {
-        throw new Error('No more results for this query, but expected more.');
-      }
-
-      allResults.push(results);
-
-      retrieved += results.count;
-      page += 1;
-    }
-
-    return allResults;
+  ):Observable<T[]> {
+    return getPaginatedCollections(
+      (pageParams) => {
+        const requestParams = { ...params, ...pageParams };
+        return this.request<CollectionResource<T>>('get', href, this.toEprops(requestParams), headers);
+      },
+      (params.pageSize as number|undefined) || -1,
+    ) as Observable<T[]>;
   }
 
   /**
diff --git a/frontend/src/app/features/plugins/plugin-context.ts b/frontend/src/app/features/plugins/plugin-context.ts
index ddf6764447..d83dac5ef1 100644
--- a/frontend/src/app/features/plugins/plugin-context.ts
+++ b/frontend/src/app/features/plugins/plugin-context.ts
@@ -25,6 +25,7 @@ import { HTMLSanitizeService } from '../../core/html-sanitize/html-sanitize.serv
 import { DynamicContentModalComponent } from '../../shared/components/modals/modal-wrapper/dynamic-content.modal';
 import { PasswordConfirmationModalComponent } from '../../shared/components/modals/request-for-confirmation/password-confirmation.modal';
 import { DomAutoscrollService } from 'core-app/shared/helpers/drag-and-drop/dom-autoscroll.service';
+import { AttachmentsResourceService } from 'core-app/core/state/attachments/attachments.service';
 
 /**
  * Plugin context bridge for plugins outside the CLI compiler context
@@ -58,6 +59,7 @@ export class OpenProjectPluginContext {
     states: this.injector.get<States>(States),
     apiV3Service: this.injector.get<ApiV3Service>(ApiV3Service),
     configurationService: this.injector.get<ConfigurationService>(ConfigurationService),
+    attachmentsResourceService: this.injector.get(AttachmentsResourceService),
   };
 
   public readonly helpers = {
diff --git a/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.html b/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.html
index 5d91eab044..14477928b8 100644
--- a/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.html
+++ b/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.html
@@ -1,28 +1,14 @@
-<div class="op-add-existing-pane--search">
-  <input
-    [ngModel]="searchString$ | async"
-    (ngModelChange)="searchString$.next($event)"
-    class="op-add-existing-pane--search-input"
-    data-qa-selector="op-add-existing-pane--search-input"
-    [placeholder]="text.placeholder"
-  />
-
-  <op-icon
-    class="op-add-existing-pane--search-icon"
-    icon-classes="icon-context icon-search">
-  </op-icon>
-
-  <button
-    *ngIf="isSearching"
-    type="button"
-    (click)="clearInput()"
-    class="op-add-existing-pane--close-search"
-  >
-    <op-icon
-      icon-classes="icon-small icon-close">
-    </op-icon>
-  </button>
-</div>
+<spot-text-field
+  [ngModel]="searchString$ | async"
+  (ngModelChange)="searchString$.next($event)"
+  data-qa-selector="op-add-existing-pane--search-input"
+  [placeholder]="text.placeholder"
+>
+  <span
+    slot="before"
+    class="spot-icon spot-icon_search"
+  ></span>
+</spot-text-field>
 
 <ng-container
   *ngIf="(isLoading$ | async) === false; else loadingTemplate"
@@ -32,7 +18,8 @@
   >
     <div
       #container
-      class="op-add-existing-pane--results">
+      class="op-add-existing-pane--results"
+    >
       <ng-container *ngFor="let wp of currentWorkPackages$ | async">
         <wp-single-card
           [workPackage]="wp"
diff --git a/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.sass b/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.sass
index c79b3f458e..602055fdce 100644
--- a/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.sass
+++ b/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.sass
@@ -8,31 +8,6 @@
   padding: 8px
 
 .op-add-existing-pane
-  &--search
-    position: relative
-
-  &--search-input
-    width: 100%
-    line-height: 32px
-    height: 32px
-    padding: 0 12px 0 42px
-
-  &--search-icon
-    position: absolute
-    top: 8px
-    left: 16px
-
-  &--close-search
-    position: absolute
-    top: 8px
-    right: 8px
-    padding: 0
-    margin: 0
-    background: transparent
-    border: 0
-    font: inherit
-    text-align: inherit
-
   &--results
     overflow: auto
     @include styled-scroll-bar
diff --git a/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.ts b/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.ts
index 29476dbec1..bd289a2cb3 100644
--- a/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.ts
+++ b/frontend/src/app/features/team-planner/team-planner/add-work-packages/add-existing-pane.component.ts
@@ -159,7 +159,7 @@ export class AddExistingPaneComponent extends UntilDestroyedMixin implements OnI
     const activeFilters = this.wpFilters.currentlyVisibleFilters;
     const filters:ApiV3FilterBuilder = this.urlParamsHelper.filterBuilderFrom(activeFilters);
 
-    filters.add('subjectOrId', '**', [searchString]);
+    filters.add('typeahead', '**', [searchString]);
 
     // Add the existing filter, if any
     this.addExistingFilters(filters);
@@ -188,8 +188,11 @@ export class AddExistingPaneComponent extends UntilDestroyedMixin implements OnI
     return this.searchString$.value !== '';
   }
 
-  showDisabledText(wp:WorkPackageResource):string {
-    return this.calendarDrag.workPackageDisabledExplanation(wp);
+  showDisabledText(wp:WorkPackageResource):{ text:string, orientation:'left'|'right' } {
+    return {
+      text: this.calendarDrag.workPackageDisabledExplanation(wp),
+      orientation: 'left',
+    };
   }
 
   openStateLink(event:{ workPackageId:string; requestedState:string }):void {
diff --git a/frontend/src/app/features/team-planner/team-planner/page/team-planner-page.component.ts b/frontend/src/app/features/team-planner/team-planner/page/team-planner-page.component.ts
index b97b7e79f6..a861262a76 100644
--- a/frontend/src/app/features/team-planner/team-planner/page/team-planner-page.component.ts
+++ b/frontend/src/app/features/team-planner/team-planner/page/team-planner-page.component.ts
@@ -17,7 +17,15 @@ import { QueryResource } from 'core-app/features/hal/resources/query-resource';
 import { WorkPackageSettingsButtonComponent } from 'core-app/features/work-packages/components/wp-buttons/wp-settings-button/wp-settings-button.component';
 import { CalendarDragDropService } from 'core-app/features/team-planner/team-planner/calendar-drag-drop.service';
 import { OpProjectIncludeComponent } from 'core-app/shared/components/project-include/project-include.component';
+import {
+  EffectCallback,
+  EffectHandler,
+} from 'core-app/core/state/effects/effect-handler.decorator';
+import { teamPlannerEventAdded } from 'core-app/features/team-planner/team-planner/planner/team-planner.actions';
+import { InjectField } from 'core-app/shared/helpers/angular/inject-field.decorator';
+import { ActionsService } from 'core-app/core/state/actions/actions.service';
 
+@EffectHandler
 @Component({
   templateUrl: '../../../work-packages/routing/partitioned-query-space-page/partitioned-query-space-page.component.html',
   styleUrls: [
@@ -30,6 +38,8 @@ import { OpProjectIncludeComponent } from 'core-app/shared/components/project-in
   ],
 })
 export class TeamPlannerPageComponent extends PartitionedQuerySpacePageComponent implements OnInit {
+  @InjectField() actions$:ActionsService;
+
   text = {
     title: this.I18n.t('js.team_planner.title'),
     unsaved_title: this.I18n.t('js.team_planner.unsaved_title'),
@@ -115,4 +125,14 @@ export class TeamPlannerPageComponent extends PartitionedQuerySpacePageComponent
   protected loadInitialQuery():void {
     // We never load the initial query as the calendar service does all that.
   }
+
+  /**
+   * Reload the team planner page if an external event was added.
+   * This is currently not handled by the HalEvents system, as it only
+   * detects updates to _existing_ or created events already rendered.
+   */
+  @EffectCallback(teamPlannerEventAdded)
+  reloadOnEventAdded():void {
+    void this.refresh(false, false);
+  }
 }
diff --git a/frontend/src/app/features/team-planner/team-planner/planner/loading-skeleton-data.ts b/frontend/src/app/features/team-planner/team-planner/planner/loading-skeleton-data.ts
new file mode 100644
index 0000000000..deb127134d
--- /dev/null
+++ b/frontend/src/app/features/team-planner/team-planner/planner/loading-skeleton-data.ts
@@ -0,0 +1,54 @@
+export const skeletonResources = [
+  {
+    id: 'skeleton-resource-1',
+    title: '',
+    href: 'skeleton-resource-1',
+  },
+  {
+    id: 'skeleton-resource-2',
+    title: '',
+    href: 'skeleton-resource-2',
+  },
+  {
+    id: 'skeleton-resource-3',
+    title: '',
+    href: 'skeleton-resource-3',
+  },
+];
+
+const baseSkeleton = {
+  editable: false,
+  eventStartEditable: false,
+  eventDurationEditable: false,
+  allDay: true,
+  backgroundColor: '#FFFFFF',
+  borderColor: '#FFFFFF',
+  title: '',
+};
+
+export const skeletonEvents = [
+  {
+    ...baseSkeleton,
+    id: 'skeleton-1',
+    resourceId: skeletonResources[0].id,
+    start: moment().subtract(1, 'days').toDate(),
+    end: moment().add(1, 'day').toDate(),
+    viewBox: '0 0 800 80',
+  },
+  {
+    ...baseSkeleton,
+    id: 'skeleton-2',
+    resourceId: skeletonResources[1].id,
+    start: moment().subtract(3, 'days').toDate(),
+    end: moment().toDate(),
+    viewBox: '0 0 1200 80',
+  },
+  {
+    ...baseSkeleton,
+    id: 'skeleton-3',
+    resourceId: skeletonResources[2].id,
+    start: moment().toDate(),
+    end: moment().add(3, 'days').toDate(),
+    viewBox: '0 0 1200 80',
+  },
+];
diff --git a/frontend/src/app/features/team-planner/team-planner/planner/team-planner.actions.ts b/frontend/src/app/features/team-planner/team-planner/planner/team-planner.actions.ts
index bce853ddb9..7a34bb5f7f 100644
--- a/frontend/src/app/features/team-planner/team-planner/planner/team-planner.actions.ts
+++ b/frontend/src/app/features/team-planner/team-planner/planner/team-planner.actions.ts
@@ -8,3 +8,8 @@ export const teamPlannerEventRemoved = action(
   '[Team planner] Event removed from team planner',
   props<{ workPackage:ID }>(),
 );
+
+export const teamPlannerEventAdded = action(
+  '[Team planner] External event added to the team planner',
+  props<{ workPackage:ID }>(),
+);
diff --git a/frontend/src/app/features/team-planner/team-planner/planner/team-planner.component.html b/frontend/src/app/features/team-planner/team-planner/planner/team-planner.component.html
index bfa56398cd..45613de971 100644
--- a/frontend/src/app/features/team-planner/team-planner/planner/team-planner.component.html
+++ b/frontend/src/app/features/team-planner/team-planner/planner/team-planner.component.html
@@ -26,7 +26,10 @@
     </op-add-existing-pane>
   </ng-container>
 
-  <div class="op-team-planner--calendar-pane">
+  <div
+    class="op-team-planner--calendar-pane"
+    data-qa-selector="op-team-planner--calendar-pane"
+  >
     <ng-container
       *ngIf="(calendarOptions$ | async) as calendarOptions"
     >
@@ -41,7 +44,9 @@
 
       <div
         [textContent]="calendar.tooManyResultsText"
-        class="op-wp-calendar--notification"></div>
+        class="op-wp-calendar--notification">
+      </div>
+
       <div
         *ngIf="isEmpty$ | async"
         class="op-team-planner--no-data">
@@ -53,7 +58,8 @@
           data-qa-selector="op-team-planner--empty-state-button"
           (click)="showAssigneeAddRow()"
           [textContent]="text.add_assignee"
-        ></button>
+        >
+        </button>
       </div>
     </ng-container>
 
@@ -77,15 +83,27 @@
         </button>
       </div>
 
+      <op-principal-loading-skeleton
+        *ngIf="resource && !resource.extendedProps.principal && resource.id.startsWith('skeleton')"
+      ></op-principal-loading-skeleton>
+
       <op-tp-add-assignee
-        *ngIf="resource && !resource.extendedProps.principal"
+        *ngIf="resource && !resource.extendedProps.principal && !resource.id.startsWith('skeleton')"
         (selectAssignee)="addAssignee($event)"
         [alreadySelected]="principalIds$ | async"
       ></op-tp-add-assignee>
     </ng-template>
 
     <ng-template #eventContent let-event="event">
+  
+      <op-wp-loading-skeleton 
+        [viewBox]="event.extendedProps.viewBox"
+        class="op-team-planner--wp-loading-skeleton"
+        *ngIf="event.source && event.source.id === 'skeleton'"
+      ></op-wp-loading-skeleton>
+
       <wp-single-card
+        *ngIf="!event.source || event.source.id === 'work_packages'"
         [workPackage]="event.extendedProps.workPackage"
         [selectedWhenOpen]="true"
         [orientation]="'horizontal'"
@@ -98,6 +116,7 @@
         [showEndDate]="!this.isWpDateInCurrentView(event.extendedProps.workPackage, 'end')"
         (stateLinkClicked)="openStateLink($event)"
         (cardClicked)="calendar.onCardClicked($event)"
+        (cardContextMenu)="calendar.showEventContextMenu($event)"
       >
       </wp-single-card>
     </ng-template>
@@ -131,11 +150,11 @@
           [class.op-team-planner--remove-dropzone_active]="dropzone.isHovering && dropzone.canDrop"
           [class.op-team-planner--remove-dropzone_forbidden]="!dropzone.canDrop"
         >
-      <span
-        *ngIf="dropzone.canDrop"
-        class="op-team-planner--dropzone-label"
-        [textContent]="text.drag_here_to_remove"
-      ></span>
+          <span
+            *ngIf="dropzone.canDrop"
+            class="op-team-planner--dropzone-label"
+            [textContent]="text.drag_here_to_remove"
+          ></span>
           <span
             *ngIf="!dropzone.canDrop"
             class="op-team-planner--dropzone-label"
diff --git a/frontend/src/app/features/team-planner/team-planner/planner/team-planner.component.ts b/frontend/src/app/features/team-planner/team-planner/planner/team-planner.component.ts
index b20a57ef37..fb22ec840e 100644
--- a/frontend/src/app/features/team-planner/team-planner/planner/team-planner.component.ts
+++ b/frontend/src/app/features/team-planner/team-planner/planner/team-planner.component.ts
@@ -3,6 +3,7 @@ import {
   Component,
   ElementRef,
   HostListener,
+  Injector,
   OnDestroy,
   OnInit,
   TemplateRef,
@@ -11,6 +12,7 @@ import {
 import {
   CalendarOptions,
   DateSelectArg,
+  EventApi,
   EventContentArg,
   EventDropArg,
   EventInput,
@@ -24,9 +26,14 @@ import {
   debounceTime,
   distinctUntilChanged,
   filter,
+  finalize,
   map,
   mergeMap,
+  shareReplay,
+  startWith,
+  switchMap,
   take,
+  withLatestFrom,
 } from 'rxjs/operators';
 import { StateService } from '@uirouter/angular';
 import resourceTimelinePlugin from '@fullcalendar/resource-timeline';
@@ -46,13 +53,15 @@ import { CurrentProjectService } from 'core-app/core/current-project/current-pro
 import { splitViewRoute } from 'core-app/features/work-packages/routing/split-view-routes.helper';
 import { QueryFilterInstanceResource } from 'core-app/features/hal/resources/query-filter-instance-resource';
 import { PrincipalsResourceService } from 'core-app/core/state/principals/principals.service';
-import { ApiV3ListParameters } from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
+import {
+  ApiV3ListFilter,
+  ApiV3ListParameters,
+} from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
 import { WorkPackageResource } from 'core-app/features/hal/resources/work-package-resource';
 import { HalResource } from 'core-app/features/hal/resources/hal-resource';
 import { UntilDestroyedMixin } from 'core-app/shared/helpers/angular/until-destroyed.mixin';
 import { ResourceLabelContentArg } from '@fullcalendar/resource-common';
 import { OpCalendarService } from 'core-app/features/calendar/op-calendar.service';
-import { WorkPackageCollectionResource } from 'core-app/features/hal/resources/wp-collection-resource';
 import { HalResourceEditingService } from 'core-app/shared/components/fields/edit/services/hal-resource-editing.service';
 import { HalResourceNotificationService } from 'core-app/features/hal/services/hal-resource-notification.service';
 import { SchemaCacheService } from 'core-app/core/schemas/schema-cache.service';
@@ -63,8 +72,16 @@ import { ResourceChangeset } from 'core-app/shared/components/fields/changeset/r
 import { KeepTabService } from 'core-app/features/work-packages/components/wp-single-view-tabs/keep-tab/keep-tab.service';
 import { HalError } from 'core-app/features/hal/services/hal-error';
 import { ActionsService } from 'core-app/core/state/actions/actions.service';
-import { teamPlannerEventRemoved } from 'core-app/features/team-planner/team-planner/planner/team-planner.actions';
+import {
+  teamPlannerEventAdded,
+  teamPlannerEventRemoved,
+} from 'core-app/features/team-planner/team-planner/planner/team-planner.actions';
 import { imagePath } from 'core-app/shared/helpers/images/path-helper';
+import { skeletonEvents, skeletonResources } from './loading-skeleton-data';
+import { CapabilitiesResourceService } from 'core-app/core/state/capabilities/capabilities.service';
+import { ICapability } from 'core-app/core/state/capabilities/capability.model';
+import { ToastService } from 'core-app/shared/components/toaster/toast.service';
+import { LoadingIndicatorService } from 'core-app/core/loading-indicator/loading-indicator.service';
 
 @Component({
   selector: 'op-team-planner',
@@ -106,13 +123,17 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
       filter((dragging) => !!dragging),
       map((dragging) => {
         const workPackage = (dragging as EventDragStartArg).event.extendedProps.workPackage as WorkPackageResource;
-        const durationEditable = this.calendar.eventDurationEditable(workPackage);
+        const dateEditable = this.calendar.dateEditable(workPackage);
         const resourceEditable = this.eventResourceEditable(workPackage);
-        return durationEditable && resourceEditable;
+        return dateEditable && resourceEditable;
       }),
     );
 
-  dropzone$ = combineLatest([this.draggingItem$, this.dropzoneHovered$, this.dropzoneAllowed$])
+  dropzone$ = combineLatest([
+    this.draggingItem$,
+    this.dropzoneHovered$,
+    this.dropzoneAllowed$,
+  ])
     .pipe(
       map(([dragging, isHovering, canDrop]) => ({ dragging, isHovering, canDrop })),
     );
@@ -133,6 +154,51 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
       }),
     );
 
+  private assigneeCaps$ = this.wpTableFilters
+    .live$()
+    .pipe(
+      this.untilDestroyed(),
+      switchMap((queryFilters) => {
+        const filters:ApiV3ListFilter[] = [
+          ['action', '=', ['work_packages/assigned']],
+        ];
+        const assigneeFilter = queryFilters.find((queryFilter) => queryFilter._type === 'AssigneeQueryFilter');
+        if (assigneeFilter) {
+          const values = (assigneeFilter.values as HalResource[]).map((el:HalResource) => el.id as string);
+          filters.push(['principal', '=', values]);
+        }
+
+        const projectFilter = queryFilters.find((queryFilter) => queryFilter._type === 'ProjectQueryFilter');
+        if (projectFilter) {
+          const values = (projectFilter.values as HalResource[]).map((el:HalResource) => `p${el.id as string}`);
+          filters.push(['context', '=', values]);
+        } else {
+          filters.push(['context', '=', [`p${this.currentProject.id as string}`]]);
+        }
+
+        return this
+          .capabilitiesResourceService
+          .fetchCapabilities({ pageSize: -1, filters });
+      }),
+      map((result) => result
+        ._embedded
+        .elements
+        .reduce(
+          (list:{ [projectId:string]:string[] }, cap:ICapability) => {
+            const project = cap._links.context.href;
+            const principal = cap._links.principal.href;
+            const cur = list[project] || [];
+            return {
+              ...list,
+              [project]: [...cur, principal],
+            };
+          },
+          {},
+        )),
+      startWith({} as { [projectId:string]:string[] }),
+      shareReplay(1),
+    );
+
   private params$ = this.principalIds$
     .pipe(
       this.untilDestroyed(),
@@ -146,9 +212,15 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
     this.principalIds$,
     this.showAddAssignee$,
   ]).pipe(
-    map(([principals, showAddAssignee]) => !principals.length && !showAddAssignee),
+    debounceTime(250),
+    map(([principals, showAddAssignee]) => {
+      this.loadingIndicatorService.table.stop();
+      return !principals.length && !showAddAssignee;
+    }),
   );
 
+  private loading$:Subject<unknown>|null = null;
+
   assignees:HalResource[] = [];
 
   statuses:StatusResource[] = [];
@@ -168,6 +240,8 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
     today: this.I18n.t('js.team_planner.today'),
     drag_here_to_remove: this.I18n.t('js.team_planner.drag_here_to_remove'),
     cannot_drag_here: this.I18n.t('js.team_planner.cannot_drag_here'),
+    updating: this.I18n.t('js.ajax.updating'),
+    successful_update: this.I18n.t('js.notice_successful_update'),
   };
 
   principals$ = this.principalIds$
@@ -176,17 +250,20 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
       mergeMap((ids:string[]) => this.principalsResourceService.query.byIds(ids)),
       debounceTime(50),
       distinctUntilChanged((prev, curr) => prev.length === curr.length && prev.length === 0),
+      shareReplay(1),
     );
 
   constructor(
     private $state:StateService,
     private configuration:ConfigurationService,
     private principalsResourceService:PrincipalsResourceService,
+    private capabilitiesResourceService:CapabilitiesResourceService,
     private wpTableFilters:WorkPackageViewFiltersService,
     private querySpace:IsolatedQuerySpace,
     private currentProject:CurrentProjectService,
     private viewLookup:EventViewLookupService,
     private I18n:I18nService,
+    readonly injector:Injector,
     readonly calendar:OpCalendarService,
     readonly halEditing:HalResourceEditingService,
     readonly halNotification:HalResourceNotificationService,
@@ -195,6 +272,8 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
     readonly calendarDrag:CalendarDragDropService,
     readonly keepTab:KeepTabService,
     readonly actions$:ActionsService,
+    readonly toastService:ToastService,
+    readonly loadingIndicatorService:LoadingIndicatorService,
   ) {
     super();
   }
@@ -238,6 +317,7 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
       .subscribe(([principals, showAddAssignee]) => {
         const api = this.ucCalendar.getApi();
 
+        // This also removes the skeleton resources that are rendered initially
         api.getResources().forEach((resource) => resource.remove());
 
         principals.forEach((principal) => {
@@ -285,18 +365,9 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
           this.calendar.calendarOptions({
             schedulerLicenseKey: 'GPL-My-Project-Is-Open-Source',
             selectable: true,
-            plugins: [
-              resourceTimelinePlugin,
-              interactionPlugin,
-            ],
-            titleFormat: {
-              year: 'numeric',
-              month: 'long',
-              day: 'numeric',
-            },
-            buttonText: {
-              today: this.text.today,
-            },
+            plugins: [resourceTimelinePlugin, interactionPlugin],
+            titleFormat: { year: 'numeric', month: 'long', day: 'numeric' },
+            buttonText: { today: this.text.today },
             initialView: this.calendar.initialView || 'resourceTimelineWeek',
             headerToolbar: {
               left: '',
@@ -310,16 +381,10 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
                 duration: { weeks: 1 },
                 slotDuration: { days: 1 },
                 slotLabelFormat: [
-                  {
-                    weekday: 'long',
-                    day: '2-digit',
-                  },
+                  { weekday: 'long', day: '2-digit' },
                 ],
                 resourceAreaColumns: [
-                  {
-                    field: 'title',
-                    headerContent: this.text.assignees,
-                  },
+                  { field: 'title', headerContent: this.text.assignees },
                 ],
               },
               resourceTimelineTwoWeeks: {
@@ -329,21 +394,35 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
                 duration: { weeks: 2 },
                 dateIncrement: { weeks: 1 },
                 slotLabelFormat: [
-                  {
-                    weekday: 'short',
-                    day: '2-digit',
-                  },
+                  { weekday: 'short', day: '2-digit' },
                 ],
                 resourceAreaColumns: [
-                  {
-                    field: 'title',
-                    headerContent: this.text.assignees,
-                  },
+                  { field: 'title', headerContent: this.text.assignees },
                 ],
               },
             },
-            events: this.calendarEventsFunction.bind(this) as unknown,
-            resources: [],
+            // Ensure we show the skeleton from the beginning
+            progressiveEventRendering: true,
+            eventSources: [
+              {
+                id: 'skeleton',
+                events: skeletonEvents,
+                editable: false,
+              },
+              {
+                id: 'work_packages',
+                events: this.calendarEventsFunction.bind(this) as unknown,
+              },
+              {
+                events: [],
+                id: 'background',
+                color: 'red',
+                textColor: 'white',
+                display: 'background',
+                editable: false,
+              },
+            ],
+            resources: skeletonResources,
             resourceAreaWidth: '180px',
             select: this.handleDateClicked.bind(this) as unknown,
             resourceLabelContent: (data:ResourceLabelContentArg) => this.renderTemplate(this.resourceContent, data.resource.id, data),
@@ -353,21 +432,45 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
             droppable: true,
             eventResize: (resizeInfo:EventResizeDoneArg) => this.updateEvent(resizeInfo),
             eventDragStart: (dragInfo:EventDragStartArg) => {
+              if (dragInfo.event.source?.id === 'skeleton') {
+                return;
+              }
+
               const { el } = dragInfo;
               el.style.pointerEvents = 'none';
               this.draggingItem$.next(dragInfo);
+              this.addBackgroundEvents(dragInfo.event);
             },
             eventDragStop: (dragInfo:EventDragStopArg) => {
               const { el } = dragInfo;
               el.style.removeProperty('pointer-events');
               this.draggingItem$.next(undefined);
+              this.removeBackGroundEvents();
             },
             eventDrop: (dropInfo:EventDropArg) => this.updateEvent(dropInfo),
-            eventReceive: (dropInfo:EventReceiveArg) => this.updateEvent(dropInfo),
+            eventReceive: async (dropInfo:EventReceiveArg) => {
+              await this.updateEvent(dropInfo);
+              const wp = dropInfo.event.extendedProps.workPackage as WorkPackageResource;
+              this.actions$.dispatch(teamPlannerEventAdded({ workPackage: wp.id as string }));
+            },
             // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
-            eventContent: (data:EventContentArg) => this.renderTemplate(this.eventContent, this.eventId(data), data),
+            eventContent: (data:EventContentArg):{ domNodes:unknown[] }|undefined => {
+              // Let FC handle the background events
+              if (data.event.source?.id === 'background') {
+                return undefined;
+              }
+
+              return this.renderTemplate(this.eventContent, this.eventId(data), data);
+            },
             // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
-            eventWillUnmount: (data:EventContentArg) => this.unrenderTemplate(this.eventId(data)),
+            eventWillUnmount: (data:EventContentArg) => {
+              // Nothing to do for background events
+              if (data.event.source?.id === 'background') {
+                return;
+              }
+
+              this.unrenderTemplate(this.eventId(data));
+            },
           } as CalendarOptions),
         );
       });
@@ -381,21 +484,46 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
     this
       .calendar
       .currentWorkPackages$
-      .toPromise()
-      .then((workPackages:WorkPackageCollectionResource) => {
-        const events = this.mapToCalendarEvents(workPackages.elements);
+      .pipe(
+        withLatestFrom(this.assigneeCaps$),
+        take(1),
+        finalize(() => this.clearLoading()),
+      )
+      .subscribe(
+        ([workPackages, projectAssignables]) => {
+          const events = this.mapToCalendarEvents(workPackages.elements, projectAssignables);
 
-        this.viewLookup.destroyDetached();
+          this.viewLookup.destroyDetached();
 
-        successCallback(events);
-      })
-      .catch(failureCallback);
+          this.removeExternalEvents();
+
+          successCallback(events);
+        },
+        failureCallback,
+      );
 
     void this.calendar.updateTimeframe(fetchInfo, this.projectIdentifier);
   }
 
+  /**
+   * Clear loading and show successful toast if we were reloading the page
+   * @private
+   */
+  private clearLoading():void {
+    const prevLoading = this.loading$;
+    if (!prevLoading) {
+      return;
+    }
+
+    this.loading$ = null;
+    setTimeout(() => {
+      prevLoading.complete();
+      this.toastService.addSuccess(this.text.successful_update);
+    }, 500);
+  }
+
   renderTemplate(template:TemplateRef<unknown>, id:string, data:ResourceLabelContentArg|EventContentArg):{ domNodes:unknown[] } {
-    if (this.isDragggedEvent(id)) {
+    if (this.isDraggedEvent(id)) {
       this.viewLookup.markForDestruction(id);
     }
 
@@ -407,9 +535,9 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
     this.viewLookup.markForDestruction(id);
   }
 
-  isDragggedEvent(id:string):boolean {
+  isDraggedEvent(id:string):boolean {
     const dragging = this.draggingItem$.getValue();
-    return !!dragging && (dragging.event.extendedProps.workPackage as WorkPackageResource).href === id;
+    return !!dragging && (dragging.event.extendedProps?.workPackage as undefined|WorkPackageResource)?.href === id;
   }
 
   eventId(data:EventContentArg):string {
@@ -463,24 +591,30 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
     if (workPackage.startDate && workPackage.dueDate) {
       let dateToCheck;
 
-      const currentStartDate = this.ucCalendar.getApi().view.currentStart;
-      const currentEndDate = this.ucCalendar.getApi().view.currentEnd;
+      const currentStartDate = this.ucCalendar.getApi().view.currentStart.setHours(0, 0, 0, 0);
+      const currentEndDate = this.ucCalendar.getApi().view.currentEnd.setHours(0, 0, 0, 0);
 
       if (date === 'start') {
-        dateToCheck = new Date(workPackage.startDate);
+        dateToCheck = new Date(workPackage.startDate).setHours(0, 0, 0, 0);
       } else {
-        dateToCheck = new Date(workPackage.dueDate);
+        dateToCheck = new Date(workPackage.dueDate).setHours(0, 0, 0, 0);
       }
 
       const dateCurrentlyVisible = dateToCheck >= currentStartDate && dateToCheck <= currentEndDate;
       return dateCurrentlyVisible;
     }
 
-    return false;
+    // Milestones are always completely in view, everything else is outside
+    return !!workPackage.date;
   }
 
-  showDisabledText(workPackage:WorkPackageResource):string {
-    return this.calendarDrag.workPackageDisabledExplanation(workPackage);
+  showDisabledText(workPackage:WorkPackageResource):{ text:string, orientation:'left'|'right' } {
+    const dueDate = new Date(workPackage.dueDate).setHours(0, 0, 0, 0);
+    const firstCalendarDay = this.ucCalendar.getApi().view.currentStart.setHours(0, 0, 0, 0);
+    return {
+      text: this.calendarDrag.workPackageDisabledExplanation(workPackage),
+      orientation: dueDate === firstCalendarDay ? 'right' : 'left',
+    };
   }
 
   isStatusClosed(workPackage:WorkPackageResource):boolean {
@@ -505,7 +639,10 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
     this.actions$.dispatch(teamPlannerEventRemoved({ workPackage: workPackage.id as string }));
   }
 
-  private mapToCalendarEvents(workPackages:WorkPackageResource[]):EventInput[] {
+  private mapToCalendarEvents(
+    workPackages:WorkPackageResource[],
+    projectAssignables:{ [projectId:string]:string[] },
+  ):EventInput[] {
     return workPackages
       .map((workPackage:WorkPackageResource):EventInput|undefined => {
         if (!workPackage.assignee) {
@@ -522,7 +659,7 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
           editable: durationEditable || resourceEditable,
           durationEditable,
           resourceEditable,
-          constraint: this.eventConstaints(workPackage),
+          constraint: this.eventConstaints(workPackage, projectAssignables),
           title: workPackage.subject,
           start: this.wpStartDate(workPackage),
           end: this.wpEndDate(workPackage),
@@ -594,9 +731,11 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
 
   private async saveChangeset(changeset:ResourceChangeset<WorkPackageResource>, info?:EventResizeDoneArg|EventDropArg|EventReceiveArg) {
     try {
-      const result = await this.halEditing.save(changeset);
-      this.halNotification.showSave(result.resource, result.wasNew);
+      this.loading$ = new Subject<unknown>();
+      this.toastService.addLoading(this.loading$);
+      await this.halEditing.save(changeset);
     } catch (e:unknown) {
+      this.loading$?.complete();
       this.halNotification.showError((e as HalError).resource, changeset.projectedResource);
       this.calendarDrag.handleDropError(changeset.projectedResource);
       info?.revert();
@@ -614,7 +753,10 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
   // they are forced to drag the wp to the exact same date in the others assignee row. This might be confusing.
   // Without these constraints however, users can drag the WP everywhere, thinking that they changed the date as well.
   // The WP then moves back to the original date when the calendar re-draws again. Also not optimal..
-  private eventConstaints(wp:WorkPackageResource):{ [key:string]:string|string[] } {
+  private eventConstaints(
+    wp:WorkPackageResource,
+    projectAssignables:{ [projectId:string]:string[] },
+  ):{ [key:string]:string|string[] } {
     const constraints:{ [key:string]:string|string[] } = {};
 
     if (!this.calendar.eventDurationEditable(wp)) {
@@ -624,6 +766,12 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
 
     if (!this.eventResourceEditable(wp)) {
       constraints.resourceIds = [this.wpAssignee(wp)];
+      return constraints;
+    }
+
+    const assignables = projectAssignables[(wp.project as HalResource).href as string];
+    if (assignables) {
+      constraints.resourceIds = [...assignables];
     }
 
     return constraints;
@@ -646,4 +794,54 @@ export class TeamPlannerComponent extends UntilDestroyedMixin implements OnInit,
     this.showAddExistingPane.next(!this.showAddExistingPane.getValue());
     (this.addExistingToggle.nativeElement as HTMLElement).blur();
   }
+
+  private removeExternalEvents():void {
+    this
+      .ucCalendar
+      .getApi()
+      .getEvents()
+      .forEach((evt) => {
+        if (evt.id.includes('external')) {
+          evt.remove();
+        }
+      });
+  }
+
+  private addBackgroundEvents(event:EventApi) {
+    const wp = event.extendedProps.workPackage as WorkPackageResource;
+
+    this
+      .assigneeCaps$
+      .pipe(
+        filter((el) => Object.keys(el).length > 0),
+        take(1),
+        map((projectAssignables) => projectAssignables[(wp.project as HalResource).href as string]),
+        withLatestFrom(this.principals$),
+      )
+      .subscribe(([assignable, principals]) => {
+        const api = this.ucCalendar.getApi();
+
+        const eventBase = {
+          start: moment().subtract('1', 'month').toDate(),
+          end: moment().add('1', 'month').toDate(),
+        };
+
+        principals.forEach((principal) => {
+          const resourceId = principal._links.self.href;
+
+          if (!assignable.includes(resourceId)) {
+            api.addEvent({ ...eventBase, resourceId }, 'background');
+          }
+        });
+      });
+  }
+
+  private removeBackGroundEvents() {
+    this
+      .ucCalendar
+      .getApi()
+      .getEvents()
+      .filter((el) => el.source?.id === 'background')
+      .forEach((el) => el.remove());
+  }
 }
diff --git a/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.html b/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.html
index 70d204cb8f..3cf3a1c0e6 100644
--- a/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.html
+++ b/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.html
@@ -6,6 +6,7 @@
   [ngClass]="cardClasses()"
   [title]="cardTitle()"
   (click)="cardClicked.emit({ workPackageId: workPackage.id, event: $event })"
+  (contextmenu)="cardContextMenu.emit({ workPackageId: workPackage.id, event: $event })"
 >
 
   <div class="op-wp-single-card--highlighting"
@@ -34,14 +35,15 @@
         (click)="onRemoved(workPackage)">
         <op-icon icon-classes="icon-context icon-close"></op-icon>
       </button>
-    </div>
 
-    <op-icon
-      *ngIf="disabledInfo.length > 0"
-      [attr.data-tooltip]="disabledInfo"
-      class="tooltip--left -multiline op-wp-single-card--card-action"
-      icon-classes="icon-context icon-not-supported">
-    </op-icon>
+      <op-icon
+        *ngIf="disabledInfo && disabledInfo.text.length > 0"
+        [attr.data-tooltip]="disabledInfo.text"
+        class="-multiline op-wp-single-card--card-action op-wp-single-card--card-action_closed"
+        [ngClass]="'tooltip--' + disabledInfo.orientation"
+        icon-classes="icon-context icon-not-supported">
+      </op-icon>
+    </div>
   </div>
 
   <edit-form [resource]="workPackage"
diff --git a/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.sass b/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.sass
index fd7c464110..2877a22a71 100644
--- a/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.sass
+++ b/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.sass
@@ -1,4 +1,6 @@
+
 @import 'helpers'
+@import '../../app/spot/styles/sass/variables'
 
 .op-wp-single-card
   display: flex
@@ -16,29 +18,27 @@
   &:hover
     .op-wp-single-card--inline-buttons
       opacity: 1
-
-  :not(&_closed):not(&_selected)
-    &:hover
-      .op-wp-single-card--card-actions
-        background-image: linear-gradient(to left, rgba(white,1), rgba(white,0))
+      z-index: 2
+      background-image: linear-gradient(to left, rgba($spot-color-basic-white,1), rgba($spot-color-basic-white,0))
 
   &_new
     padding-right: 25px
 
   &_selected
-    background-color: var(--table-row-highlighting-color)
+    background-color: $spot-color-main-light
+    .op-icon--wrapper
+      background: $spot-color-main-light
     &:hover
       .op-wp-single-card--inline-buttons
-        background-image: linear-gradient(to left, rgba(var(--table-row-highlighting-color),1), rgba(var(--table-row-highlighting-color),0))
-
-  &_disabled
-    opacity: 0.6
+        background-image: linear-gradient(to left, rgba($spot-color-main-light,1), rgba($spot-color-main-light,0))
 
   &_closed:not(&_selected)
-    background-color: #F3F3F3
+    background-color: $spot-color-basic-gray-6
+    .op-icon--wrapper
+      background: $spot-color-basic-gray-6
     &:hover
       .op-wp-single-card--inline-buttons
-        background-image: linear-gradient(to left, rgba(#F3F3F3,1), rgba(#F3F3F3,0))
+        background-image: linear-gradient(to left, rgba($spot-color-basic-gray-6,1), rgba($spot-color-basic-gray-6,0))
 
   &_horizontal
     height: 100%
@@ -83,7 +83,7 @@
     &-project-name
       grid-area: project
       font-style: italic
-      color: var(--gray-dark)
+      color: $spot-color-basic-gray-3
       font-size: 12px
       @include text-shortener
     &-type
@@ -95,11 +95,11 @@
     &-assignee
       grid-area: avatar
       max-width: 140px
-      color: var(--gray-dark)
+      color: $spot-color-basic-gray-3
       font-size: 12px
     &-id
       grid-area: id
-      color: var(--gray-dark)
+      color: $spot-color-basic-gray-3
       font-size: 12px
     &-status
       grid-area: status
@@ -118,12 +118,12 @@
       grid-area: dates
       place-self: center end
       white-space: nowrap
-      color: var(--gray-dark)
+      color: $spot-color-basic-gray-3
       font-size: 12px
 
     &-inline-date
       font-size: 12px
-      color: var(--gray-dark)
+      color: $spot-color-basic-gray-3
       margin: 0 8px
       white-space: nowrap
 
@@ -144,18 +144,25 @@
   &--card-action
     z-index: 2
 
-    .op-wp-single-card_checked &
-      background-color: var(--table-row-highlighting-color)
+    &_closed
+      color: $spot-color-basic-gray-2
+
+    .op-wp-single-card_selected &
+      background-color: $spot-color-main-light
 
   &--inline-buttons
     opacity: 0
     padding-left: 40px
+    padding-right: 4px
+
+    .op-icon--wrapper:not(&_selected)
+      background: $spot-color-basic-white
 
     &.-show
       opacity: 1
 
-    .op-wp-single-card_checked &
-      background-color: var(--table-row-highlighting-color)
+    .op-wp-single-card_selected &
+      background-color: $spot-color-main-light
 
   &--inline-cancel-button
     color: var(--warn)
diff --git a/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.ts b/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.ts
index 851f88f36a..a4655800c3 100644
--- a/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.ts
+++ b/frontend/src/app/features/work-packages/components/wp-card-view/wp-single-card/wp-single-card.component.ts
@@ -54,7 +54,7 @@ export class WorkPackageSingleCardComponent extends UntilDestroyedMixin implemen
 
   @Input() public shrinkOnMobile = false;
 
-  @Input() public disabledInfo = '';
+  @Input() public disabledInfo?:{ text:string, orientation:'left'|'right' };
 
   @Input() public showAsInlineCard = false;
 
@@ -70,6 +70,8 @@ export class WorkPackageSingleCardComponent extends UntilDestroyedMixin implemen
 
   @Output() cardClicked = new EventEmitter<{ workPackageId:string, event:MouseEvent }>();
 
+  @Output() cardContextMenu = new EventEmitter<{ workPackageId:string, event:MouseEvent }>();
+
   public uiStateLinkClass:string = uiStateLinkClass;
 
   public selected = false;
@@ -143,7 +145,6 @@ export class WorkPackageSingleCardComponent extends UntilDestroyedMixin implemen
       [`${base}_draggable`]: this.draggable,
       [`${base}_new`]: isNewResource(this.workPackage),
       [`${base}_shrink`]: this.shrinkOnMobile,
-      [`${base}_disabled`]: this.disabledInfo.length > 0,
       [`${base}_inline`]: this.showAsInlineCard,
       [`${base}_closed`]: this.isClosed,
       // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
@@ -172,8 +173,7 @@ export class WorkPackageSingleCardComponent extends UntilDestroyedMixin implemen
   }
 
   public wpDates(wp:WorkPackageResource):string {
-    const { startDate } = wp;
-    const { dueDate } = wp;
+    const { startDate, dueDate } = wp;
     const dateTimeFormat = new Intl.DateTimeFormat(this.I18n.locale, {
       year: 'numeric',
       month: 'short',
@@ -187,11 +187,11 @@ export class WorkPackageSingleCardComponent extends UntilDestroyedMixin implemen
       return String(dateTimeFormat.formatRange(new Date(startDate), new Date(dueDate)));
     }
     if (!startDate && dueDate) {
-      return `-${dateTimeFormat.format(new Date(dueDate))}`;
+      return `– ${dateTimeFormat.format(new Date(dueDate))}`;
     }
 
     if (startDate && !dueDate) {
-      return `${dateTimeFormat.format(new Date(startDate))}-`;
+      return `${dateTimeFormat.format(new Date(startDate))} –`;
     }
 
     return '';
diff --git a/frontend/src/app/features/work-packages/components/wp-single-view-tabs/files-tab/op-files-tab.component.ts b/frontend/src/app/features/work-packages/components/wp-single-view-tabs/files-tab/op-files-tab.component.ts
new file mode 100644
index 0000000000..7c46f98da4
--- /dev/null
+++ b/frontend/src/app/features/work-packages/components/wp-single-view-tabs/files-tab/op-files-tab.component.ts
@@ -0,0 +1,52 @@
+// -- copyright
+// OpenProject is an open source project management software.
+// Copyright (C) 2012-2022 the OpenProject GmbH
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See COPYRIGHT and LICENSE files for more details.
+//++
+
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+import { WorkPackageResource } from 'core-app/features/hal/resources/work-package-resource';
+import { I18nService } from 'core-app/core/i18n/i18n.service';
+import { HookService } from 'core-app/features/plugins/hook-service';
+
+@Component({
+  templateUrl: './op-files-tab.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  selector: 'op-files-tab',
+})
+export class WorkPackageFilesTabComponent {
+  public workPackage:WorkPackageResource;
+
+  public text = {
+    attachments: {
+      label: this.I18n.t('js.label_attachments'),
+    },
+  };
+
+  constructor(
+    readonly I18n:I18nService,
+    protected hook:HookService,
+  ) { }
+}
diff --git a/frontend/src/app/features/work-packages/components/wp-single-view-tabs/files-tab/op-files-tab.html b/frontend/src/app/features/work-packages/components/wp-single-view-tabs/files-tab/op-files-tab.html
new file mode 100644
index 0000000000..8cab71efd1
--- /dev/null
+++ b/frontend/src/app/features/work-packages/components/wp-single-view-tabs/files-tab/op-files-tab.html
@@ -0,0 +1,11 @@
+<div class="work-packages--attachments-container">
+  <div class="attributes-group--header">
+    <div class="attributes-group--header-container">
+      <h3 class="attributes-group--header-text" [textContent]="text.attachments.label"></h3>
+    </div>
+  </div>
+
+  <op-attachment-list [resource]="workPackage"></op-attachment-list>
+
+  <op-attachments-upload [resource]="workPackage"></op-attachments-upload>
+</div>
diff --git a/frontend/src/app/features/work-packages/components/wp-single-view/wp-single-view.component.ts b/frontend/src/app/features/work-packages/components/wp-single-view/wp-single-view.component.ts
index ab2b8ddb74..a51dd73114 100644
--- a/frontend/src/app/features/work-packages/components/wp-single-view/wp-single-view.component.ts
+++ b/frontend/src/app/features/work-packages/components/wp-single-view/wp-single-view.component.ts
@@ -129,12 +129,12 @@ export class WorkPackageSingleViewComponent extends UntilDestroyedMixin implemen
     },
   };
 
+  public isNewResource:boolean;
+
   protected firstTimeFocused = false;
 
   $element:JQuery;
 
-  isNewResource = isNewResource;
-
   constructor(readonly I18n:I18nService,
     protected currentProject:CurrentProjectService,
     protected PathHelper:PathHelperService,
@@ -152,7 +152,9 @@ export class WorkPackageSingleViewComponent extends UntilDestroyedMixin implemen
   }
 
   public ngOnInit() {
-    this.$element = jQuery(this.elementRef.nativeElement);
+    this.$element = jQuery(this.elementRef.nativeElement as HTMLElement);
+
+    this.isNewResource = isNewResource(this.workPackage);
 
     const change = this.halEditing.changeFor<WorkPackageResource, WorkPackageChangeset>(this.workPackage);
     this.resourceContextChange.next(this.contextFrom(change.projectedResource));
@@ -166,7 +168,7 @@ export class WorkPackageSingleViewComponent extends UntilDestroyedMixin implemen
         distinctUntilChanged<ResourceContextChange>((a, b) => _.isEqual(a, b)),
         map(() => this.halEditing.changeFor(this.workPackage)),
       )
-      .subscribe((change:WorkPackageChangeset) => this.refresh(change));
+      .subscribe((changeset:WorkPackageChangeset) => this.refresh(changeset));
 
     // Update the resource context on every update to the temporary resource.
     // This allows detecting a changed type value in a new work package.
@@ -208,7 +210,7 @@ export class WorkPackageSingleViewComponent extends UntilDestroyedMixin implemen
    * Returns whether a group should be hidden due to being empty
    * (e.g., consists only of CFs and none of them are active in this project.
    */
-  public shouldHideGroup(group:GroupDescriptor) {
+  public shouldHideGroup(group:GroupDescriptor):boolean {
     // Hide if the group is empty
     const isEmpty = group.members.length === 0;
 
@@ -221,10 +223,10 @@ export class WorkPackageSingleViewComponent extends UntilDestroyedMixin implemen
   /**
    * angular 2 doesn't support track by property any more but requires a custom function
    * https://github.com/angular/angular/issues/12969
-   * @param index
+   * @param _index
    * @param elem
    */
-  public trackByName(_index:number, elem:{ name:string }) {
+  public trackByName(_index:number, elem:{ name:string }):string {
     return elem.name;
   }
 
@@ -256,8 +258,8 @@ export class WorkPackageSingleViewComponent extends UntilDestroyedMixin implemen
   /*
    * Returns the work package label
    */
-  public get idLabel() {
-    return `#${this.workPackage.id}`;
+  public get idLabel():string {
+    return `#${this.workPackage.id || ''}`;
   }
 
   public get projectContextText():string {
@@ -337,8 +339,10 @@ export class WorkPackageSingleViewComponent extends UntilDestroyedMixin implemen
    * combined 'start' and 'due' date field.
    */
   private getDateField(change:WorkPackageChangeset):FieldDescriptor {
-    const object:any = {
+    const object:FieldDescriptor = {
+      name: '',
       label: this.I18n.t('js.work_packages.properties.date'),
+      spanAll: false,
       multiple: false,
     };
 
@@ -359,7 +363,7 @@ export class WorkPackageSingleViewComponent extends UntilDestroyedMixin implemen
    * to the single view.
    *
    * @param {WorkPackage} workPackage
-   * @returns {SchemaContext}
+   * @returns {ResourceContextChange}
    */
   private contextFrom(workPackage:WorkPackageResource):ResourceContextChange {
     const schema = this.schema(workPackage);
diff --git a/frontend/src/app/features/work-packages/components/wp-single-view/wp-single-view.html b/frontend/src/app/features/work-packages/components/wp-single-view/wp-single-view.html
index 375a23f055..923a38ae32 100644
--- a/frontend/src/app/features/work-packages/components/wp-single-view/wp-single-view.html
+++ b/frontend/src/app/features/work-packages/components/wp-single-view/wp-single-view.html
@@ -3,22 +3,22 @@
      [ngClass]="{'work-package--single-view_with-columns': showTwoColumnLayout()}"
      data-selector="wp-single-view">
   <div class="wp-new--subject-wrapper"
-       *ngIf="isNewResource(workPackage)">
+       *ngIf="isNewResource">
     <editable-attribute-field [resource]="workPackage"
                    [wrapperClasses]="'-no-label'"
                    [fieldName]="'subject'"></editable-attribute-field>
   </div>
 
   <div class="wp-info-wrapper">
-    <wp-status-button *ngIf="!isNewResource(workPackage)"
+    <wp-status-button *ngIf="!isNewResource"
                       [workPackage]="workPackage">
     </wp-status-button>
     <attribute-help-text [attribute]="'status'"
                          [attributeScope]="'WorkPackage'"
-                         *ngIf="!isNewResource(workPackage)"></attribute-help-text>
+                         *ngIf="!isNewResource"></attribute-help-text>
 
     <div class="work-packages--info-row"
-         *ngIf="!isNewResource(workPackage)">
+         *ngIf="!isNewResource">
       <span [textContent]="idLabel"></span>:
       <span [textContent]="text.infoRow.createdBy"></span>
       <!-- The space has to be in an extra span
@@ -61,7 +61,7 @@
 
   <div
     class="attributes-group -project-context hide-when-print"
-    *ngIf="!isNewResource(workPackage) && projectContext && !projectContext.matches"
+    *ngIf="!isNewResource && projectContext && !projectContext.matches"
   >
     <div>
       <p>
@@ -122,7 +122,7 @@
   </div>
 </div>
 
-<div class="work-packages--attachments attributes-group">
+<div class="work-packages--attachments attributes-group" *ngIf="isNewResource">
   <div class="work-packages--attachments-container">
     <div class="attributes-group--header">
       <div class="attributes-group--header-container">
diff --git a/frontend/src/app/features/work-packages/components/wp-table/context-menu-helper/wp-context-menu-helper.service.ts b/frontend/src/app/features/work-packages/components/wp-table/context-menu-helper/wp-context-menu-helper.service.ts
index 24b19a44ed..b729685059 100644
--- a/frontend/src/app/features/work-packages/components/wp-table/context-menu-helper/wp-context-menu-helper.service.ts
+++ b/frontend/src/app/features/work-packages/components/wp-table/context-menu-helper/wp-context-menu-helper.service.ts
@@ -35,7 +35,7 @@ import { WorkPackageViewHierarchyIdentationService } from 'core-app/features/wor
 import { WorkPackageViewDisplayRepresentationService } from 'core-app/features/work-packages/routing/wp-view-base/view-services/wp-view-display-representation.service';
 
 export type WorkPackageAction = {
-  text:string;
+  text?:string;
   key:string;
   icon?:string;
   indexBy?:(actions:WorkPackageAction[]) => number,
diff --git a/frontend/src/app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-files-count.function.ts b/frontend/src/app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-files-count.function.ts
new file mode 100644
index 0000000000..70795c2443
--- /dev/null
+++ b/frontend/src/app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-files-count.function.ts
@@ -0,0 +1,49 @@
+// -- copyright
+// OpenProject is an open source project management software.
+// Copyright (C) 2012-2022 the OpenProject GmbH
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See COPYRIGHT and LICENSE files for more details.
+//++
+
+import { Injector } from '@angular/core';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+import { WorkPackageResource } from 'core-app/features/hal/resources/work-package-resource';
+import { AttachmentsResourceService } from 'core-app/core/state/attachments/attachments.service';
+
+export function workPackageFilesCount(
+  workPackage:WorkPackageResource,
+  injector:Injector,
+):Observable<number> {
+  const service = injector.get(AttachmentsResourceService);
+  return service.query.select()
+    .pipe(
+      map((state) => {
+        const attachmentPath = workPackage.$links.attachments.href;
+        if (attachmentPath == null) return 0;
+
+        return state.collections[attachmentPath]?.ids.length || 0;
+      }),
+    );
+}
diff --git a/frontend/src/app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-tabs.service.ts b/frontend/src/app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-tabs.service.ts
index f9c11f7303..4a6e25d38e 100644
--- a/frontend/src/app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-tabs.service.ts
+++ b/frontend/src/app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-tabs.service.ts
@@ -1,3 +1,31 @@
+// -- copyright
+// OpenProject is an open source project management software.
+// Copyright (C) 2012-2022 the OpenProject GmbH
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See COPYRIGHT and LICENSE files for more details.
+//++
+
 import { Injectable, Injector } from '@angular/core';
 import { from } from 'rxjs';
 import { StateService } from '@uirouter/core';
@@ -7,10 +35,12 @@ import { WorkPackageRelationsTabComponent } from 'core-app/features/work-package
 import { WorkPackageOverviewTabComponent } from 'core-app/features/work-packages/components/wp-single-view-tabs/overview-tab/overview-tab.component';
 import { WorkPackageActivityTabComponent } from 'core-app/features/work-packages/components/wp-single-view-tabs/activity-panel/activity-tab.component';
 import { WorkPackageWatchersTabComponent } from 'core-app/features/work-packages/components/wp-single-view-tabs/watchers-tab/watchers-tab.component';
+import { WorkPackageFilesTabComponent } from 'core-app/features/work-packages/components/wp-single-view-tabs/files-tab/op-files-tab.component';
 import { I18nService } from 'core-app/core/i18n/i18n.service';
 import { workPackageWatchersCount } from 'core-app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-watchers-count.function';
 import { workPackageRelationsCount } from 'core-app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-relations-count.function';
 import { workPackageNotificationsCount } from 'core-app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-notifications-count.function';
+import { workPackageFilesCount } from 'core-app/features/work-packages/components/wp-tabs/services/wp-tabs/wp-files-count.function';
 
 @Injectable({
   providedIn: 'root',
@@ -30,7 +60,7 @@ export class WorkPackageTabsService {
     return [...this.registeredTabs];
   }
 
-  register(...tabs:WpTabDefinition[]) {
+  register(...tabs:WpTabDefinition[]):void {
     this.registeredTabs = [
       ...this.registeredTabs,
       ...tabs,
@@ -72,6 +102,12 @@ export class WorkPackageTabsService {
         count: workPackageNotificationsCount,
         showCountAsBubble: true,
       },
+      {
+        id: 'files',
+        component: WorkPackageFilesTabComponent,
+        name: I18n.t('js.work_packages.tabs.files'),
+        count: workPackageFilesCount,
+      },
       {
         id: 'relations',
         component: WorkPackageRelationsTabComponent,
diff --git a/frontend/src/app/features/work-packages/openproject-work-packages.module.ts b/frontend/src/app/features/work-packages/openproject-work-packages.module.ts
index 0909262949..96273503a9 100644
--- a/frontend/src/app/features/work-packages/openproject-work-packages.module.ts
+++ b/frontend/src/app/features/work-packages/openproject-work-packages.module.ts
@@ -95,8 +95,6 @@ import { WorkPackageRelationQueryComponent } from 'core-app/features/work-packag
 import { WorkPackagesBaseComponent } from 'core-app/features/work-packages/routing/wp-base/wp--base.component';
 import { WorkPackageSplitViewComponent } from 'core-app/features/work-packages/routing/wp-split-view/wp-split-view.component';
 import { WorkPackagesFullViewComponent } from 'core-app/features/work-packages/routing/wp-full-view/wp-full-view.component';
-import { AttachmentsUploadComponent } from 'core-app/shared/components/attachments/attachments-upload/attachments-upload.component';
-import { AttachmentListComponent } from 'core-app/shared/components/attachments/attachment-list/attachment-list.component';
 import { QueryFiltersService } from 'core-app/features/work-packages/components/wp-query/query-filters.service';
 import { WorkPackageCardViewComponent } from 'core-app/features/work-packages/components/wp-card-view/wp-card-view.component';
 import { WorkPackageRelationsService } from 'core-app/features/work-packages/components/wp-relations/wp-relations.service';
@@ -156,6 +154,8 @@ import { WorkPackageSplitViewToolbarComponent } from 'core-app/features/work-pac
 import { WorkPackageCopyFullViewComponent } from 'core-app/features/work-packages/components/wp-copy/wp-copy-full-view.component';
 import { OpenprojectTabsModule } from 'core-app/shared/components/tabs/openproject-tabs.module';
 import { TimeEntryChangeset } from 'core-app/features/work-packages/helpers/time-entries/time-entry-changeset';
+import { AttachmentsUploadComponent } from 'core-app/shared/components/attachments/attachments-upload/attachments-upload.component';
+import { AttachmentListComponent } from 'core-app/shared/components/attachments/attachment-list/attachment-list.component';
 import { QueryFiltersComponent } from 'core-app/features/work-packages/components/filters/query-filters/query-filters.component';
 import { FilterDateTimesValueComponent } from 'core-app/features/work-packages/components/filters/filter-date-times-value/filter-date-times-value.component';
 import { FilterSearchableMultiselectValueComponent } from 'core-app/features/work-packages/components/filters/filter-searchable-multiselect-value/filter-searchable-multiselect-value.component';
@@ -170,8 +170,9 @@ import { FilterIntegerValueComponent } from 'core-app/features/work-packages/com
 import { WorkPackageFilterContainerComponent } from 'core-app/features/work-packages/components/filters/filter-container/filter-container.directive';
 import { FilterBooleanValueComponent } from 'core-app/features/work-packages/components/filters/filter-boolean-value/filter-boolean-value.component';
 import { WorkPackageMarkNotificationButtonComponent } from 'core-app/features/work-packages/components/wp-buttons/wp-mark-notification-button/work-package-mark-notification-button.component';
-import isNewResource from 'core-app/features/hal/helpers/is-new-resource';
+import { WorkPackageFilesTabComponent } from 'core-app/features/work-packages/components/wp-single-view-tabs/files-tab/op-files-tab.component';
 import { WorkPackagesQueryViewService } from 'core-app/features/work-packages/components/wp-list/wp-query-view.service';
+import isNewResource from 'core-app/features/hal/helpers/is-new-resource';
 
 @NgModule({
   imports: [
@@ -347,6 +348,9 @@ import { WorkPackagesQueryViewService } from 'core-app/features/work-packages/co
     WorkPackageRelationsAutocompleteComponent,
     WorkPackageBreadcrumbParentComponent,
 
+    // Files tab
+    WorkPackageFilesTabComponent,
+
     // Split view
     WorkPackageDetailsViewButtonComponent,
     WorkPackageSplitViewComponent,
@@ -456,9 +460,9 @@ export class OpenprojectWorkPackagesModule {
       return null;
     });
 
-    hookService.register('workPackageAttachmentUploadComponent', (workPackage:WorkPackageResource) => AttachmentsUploadComponent);
+    hookService.register('workPackageAttachmentUploadComponent', () => AttachmentsUploadComponent);
 
-    hookService.register('workPackageAttachmentListComponent', (workPackage:WorkPackageResource) => AttachmentListComponent);
+    hookService.register('workPackageAttachmentListComponent', () => AttachmentListComponent);
 
     /** Return specialized work package changeset for editing service */
     hookService.register('halResourceChangesetClass', (resource:HalResource) => {
diff --git a/frontend/src/app/features/work-packages/routing/wp-view-base/work-package-single-view.base.ts b/frontend/src/app/features/work-packages/routing/wp-view-base/work-package-single-view.base.ts
index 55d18e2f33..c3bde8ef8a 100644
--- a/frontend/src/app/features/work-packages/routing/wp-view-base/work-package-single-view.base.ts
+++ b/frontend/src/app/features/work-packages/routing/wp-view-base/work-package-single-view.base.ts
@@ -47,6 +47,7 @@ import { HookService } from 'core-app/features/plugins/hook-service';
 import { WpSingleViewService } from 'core-app/features/work-packages/routing/wp-view-base/state/wp-single-view.service';
 import { Observable } from 'rxjs';
 import { ActionsService } from 'core-app/core/state/actions/actions.service';
+import { AttachmentsResourceService } from 'core-app/core/state/attachments/attachments.service';
 
 export class WorkPackageSingleViewBase extends UntilDestroyedMixin {
   @InjectField() states:States;
@@ -65,6 +66,8 @@ export class WorkPackageSingleViewBase extends UntilDestroyedMixin {
 
   @InjectField() authorisationService:AuthorisationService;
 
+  @InjectField() attachmentsResourceService:AttachmentsResourceService;
+
   @InjectField() cdRef:ChangeDetectorRef;
 
   @InjectField() readonly titleService:OpTitleService;
@@ -162,6 +165,10 @@ export class WorkPackageSingleViewBase extends UntilDestroyedMixin {
     // Preselect this work package for future list operations
     this.showStaticPagePath = this.PathHelper.workPackagePath(this.workPackageId);
 
+    // Fetch attachments of current work package
+    const attachments = this.workPackage.attachments as unknown&{ href:string };
+    this.attachmentsResourceService.fetchAttachments(attachments.href).subscribe();
+
     // Listen to tab changes to update the tab label
     this.keepTab.observable
       .pipe(
diff --git a/frontend/src/app/features/work-packages/services/work-package-authorization.service.ts b/frontend/src/app/features/work-packages/services/work-package-authorization.service.ts
index 9081ba6c5d..a9c87cddfb 100644
--- a/frontend/src/app/features/work-packages/services/work-package-authorization.service.ts
+++ b/frontend/src/app/features/work-packages/services/work-package-authorization.service.ts
@@ -29,57 +29,60 @@
 import { WorkPackageResource } from 'core-app/features/hal/resources/work-package-resource';
 import { StateService } from '@uirouter/core';
 import { PathHelperService } from 'core-app/core/path-helper/path-helper.service';
+import { WorkPackageAction } from 'core-app/features/work-packages/components/wp-table/context-menu-helper/wp-context-menu-helper.service';
+import { HalLink } from 'core-app/features/hal/hal-link/hal-link';
+import { ProjectResource } from 'core-app/features/hal/resources/project-resource';
 
 export class WorkPackageAuthorization {
-  public project:any;
+  public project:ProjectResource;
 
   constructor(public workPackage:WorkPackageResource,
     readonly PathHelper:PathHelperService,
     readonly $state:StateService) {
-    this.project = workPackage.project;
+    this.project = workPackage.project as ProjectResource;
   }
 
-  public get allActions():any {
-    return {
-      workPackage: this.workPackage,
-      project: this.project,
-    };
-  }
-
-  public copyLink() {
-    const stateName = this.$state.current.name as string;
-    if (stateName.indexOf('work-packages.partitioned.list.details') === 0) {
-      return this.PathHelper.workPackageDetailsCopyPath(this.project.identifier, this.workPackage.id!);
-    }
-    return this.PathHelper.workPackageCopyPath(this.workPackage.id!);
-  }
-
-  public linkForAction(action:any) {
-    if (action.key === 'copy') {
-      action.link = this.copyLink();
-    } else {
-      action.link = this.allActions[action.resource][action.link].href;
+  public linkForAction(action:WorkPackageAction):WorkPackageAction {
+    let link:string;
+    switch (action.key) {
+      case 'copy':
+        link = this.copyLink();
+        break;
+      case 'copy_to_other_project':
+        link = this.bulkCopyLink();
+        break;
+      default:
+        link = (this.workPackage[action.link as string] as HalLink).href as string;
     }
 
-    return action;
+    return { ...action, link };
   }
 
-  public isPermitted(action:any) {
-    return this.allActions[action.resource] !== undefined
-      && this.allActions[action.resource][action.link] !== undefined;
+  public isPermitted(action:WorkPackageAction):boolean {
+    return this.workPackage[action.link as string] !== undefined;
   }
 
-  public permittedActionKeys(allowedActions:any) {
-    const validActions = _.filter(allowedActions, (action:any) => this.isPermitted(action));
-
-    return _.map(validActions, (action:any) => action.key);
+  public permittedActionKeys(allowedActions:WorkPackageAction[]):string[] {
+    return allowedActions
+      .filter((action) => this.isPermitted(action))
+      .map((action) => action.key);
   }
 
-  public permittedActionsWithLinks(allowedActions:any) {
-    const validActions = _.filter(_.cloneDeep(allowedActions), (action:any) => this.isPermitted(action));
+  public permittedActionsWithLinks(allowedActions:WorkPackageAction[]):WorkPackageAction[] {
+    return allowedActions
+      .filter((action) => this.isPermitted(action))
+      .map((action) => this.linkForAction(action));
+  }
 
-    const allowed = _.map(validActions, (action:any) => this.linkForAction(action));
+  private copyLink() {
+    const stateName = this.$state.current.name as string;
+    if (stateName.indexOf('work-packages.partitioned.list.details') === 0) {
+      return this.PathHelper.workPackageDetailsCopyPath(this.project.identifier, this.workPackage.id as string);
+    }
+    return this.PathHelper.workPackageCopyPath(this.workPackage.id as string);
+  }
 
-    return allowed;
+  private bulkCopyLink():string {
+    return `${this.PathHelper.staticBase}/work_packages/move/new?copy=true&ids[]=${this.workPackage.id as string}`;
   }
 }
diff --git a/frontend/src/app/shared/components/attachments/attachment-list/attachment-list-item.component.ts b/frontend/src/app/shared/components/attachments/attachment-list/attachment-list-item.component.ts
index 7dde581309..2258445f76 100644
--- a/frontend/src/app/shared/components/attachments/attachment-list/attachment-list-item.component.ts
+++ b/frontend/src/app/shared/components/attachments/attachment-list/attachment-list-item.component.ts
@@ -27,24 +27,29 @@
 //++
 
 import {
-  Component, EventEmitter, Input, Output,
+  ChangeDetectionStrategy, Component, EventEmitter, Input, OnInit, Output,
 } from '@angular/core';
+import { Observable, of } from 'rxjs';
+import { map, switchMap } from 'rxjs/operators';
 import { I18nService } from 'core-app/core/i18n/i18n.service';
 import { PathHelperService } from 'core-app/core/path-helper/path-helper.service';
 import { HalResource } from 'core-app/features/hal/resources/hal-resource';
-import { States } from 'core-app/core/states/states.service';
-import { HalResourceNotificationService } from 'core-app/features/hal/services/hal-resource-notification.service';
+import { IAttachment } from 'core-app/core/state/attachments/attachment.model';
+import { PrincipalsResourceService } from 'core-app/core/state/principals/principals.service';
+import { IUser } from 'core-app/core/state/principals/user.model';
+import idFromLink from 'core-app/features/hal/helpers/id-from-link';
 
 @Component({
-  selector: 'attachment-list-item',
+  selector: 'op-attachment-list-item',
   templateUrl: './attachment-list-item.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class AttachmentListItemComponent {
+export class AttachmentListItemComponent implements OnInit {
   @Input() public resource:HalResource;
 
-  @Input() public attachment:any;
+  @Input() public attachment:IAttachment;
 
-  @Input() public index:any;
+  @Input() public index:number;
 
   @Input() destroyImmediately = true;
 
@@ -55,30 +60,47 @@ export class AttachmentListItemComponent {
   public text = {
     dragHint: this.I18n.t('js.attachments.draggable_hint'),
     destroyConfirmation: this.I18n.t('js.text_attachment_destroy_confirmation'),
-    removeFile: (arg:any) => this.I18n.t('js.label_remove_file', arg),
+    removeFile: (arg:unknown):string => this.I18n.t('js.label_remove_file', arg),
   };
 
-  constructor(protected halNotification:HalResourceNotificationService,
-    readonly I18n:I18nService,
-    readonly states:States,
-    readonly pathHelper:PathHelperService) {
+  public get deleteIconTitle():string {
+    return this.text.removeFile({ fileName: this.attachment.fileName });
+  }
+
+  public author$:Observable<IUser>;
+
+  constructor(private readonly principalsResourceService:PrincipalsResourceService,
+    private readonly I18n:I18nService,
+    private readonly pathHelper:PathHelperService) {
+  }
+
+  ngOnInit():void {
+    const authorId = idFromLink(this.attachment._links.author.href);
+
+    this.author$ = this.principalsResourceService.query.selectEntity(authorId)
+      .pipe(
+        switchMap((user) => (user ? of(user) : this.principalsResourceService.fetchUser(authorId))),
+        map((user) => user as IUser),
+      );
   }
 
   /**
    * Set the appropriate data for drag & drop of an attachment item.
    * @param evt DragEvent
    */
-  public setDragData(evt:DragEvent) {
+  public setDragData(evt:DragEvent):void {
     const url = this.downloadPath;
     const previewElement = this.draggableHTML(url);
 
-    evt.dataTransfer!.setData('text/plain', url);
-    evt.dataTransfer!.setData('text/html', previewElement.outerHTML);
-    evt.dataTransfer!.setData('text/uri-list', url);
-    evt.dataTransfer!.setDragImage(previewElement, 0, 0);
+    if (evt.dataTransfer == null) return;
+
+    evt.dataTransfer.setData('text/plain', url);
+    evt.dataTransfer.setData('text/html', previewElement.outerHTML);
+    evt.dataTransfer.setData('text/uri-list', url);
+    evt.dataTransfer.setDragImage(previewElement, 0, 0);
   }
 
-  public draggableHTML(url:string) {
+  public draggableHTML(url:string):HTMLImageElement|HTMLAnchorElement {
     let el:HTMLImageElement|HTMLAnchorElement;
 
     if (this.isImage) {
@@ -94,21 +116,20 @@ export class AttachmentListItemComponent {
     return el;
   }
 
-  public get downloadPath() {
-    return this.pathHelper.attachmentDownloadPath(this.attachment.id, this.fileName);
+  public get downloadPath():string {
+    return this.pathHelper.attachmentDownloadPath(String(this.attachment.id), this.fileName);
   }
 
-  public get isImage() {
+  public get isImage():boolean {
     const ext = this.fileName.split('.').pop() || '';
     return AttachmentListItemComponent.imageFileExtensions.indexOf(ext.toLowerCase()) > -1;
   }
 
-  public get fileName() {
-    const a = this.attachment;
-    return a.fileName || a.customName || a.name;
+  public get fileName():string {
+    return this.attachment.fileName;
   }
 
-  public confirmRemoveAttachment($event:JQuery.TriggeredEvent) {
+  public confirmRemoveAttachment($event:JQuery.TriggeredEvent):boolean {
     if (!window.confirm(this.text.destroyConfirmation)) {
       $event.stopImmediatePropagation();
       $event.preventDefault();
@@ -116,13 +137,6 @@ export class AttachmentListItemComponent {
     }
 
     this.removeAttachment.emit();
-
-    if (this.destroyImmediately) {
-      this
-        .resource
-        .removeAttachment(this.attachment);
-    }
-
     return false;
   }
 }
diff --git a/frontend/src/app/shared/components/attachments/attachment-list/attachment-list-item.html b/frontend/src/app/shared/components/attachments/attachment-list/attachment-list-item.html
index 7e3d744023..5532244719 100644
--- a/frontend/src/app/shared/components/attachments/attachment-list/attachment-list-item.html
+++ b/frontend/src/app/shared/components/attachments/attachment-list/attachment-list-item.html
@@ -2,32 +2,37 @@
   class="form--selected-value--container work-package--attachments--draggable-item"
   opFocusWithin=".inplace-editing--trigger-icon"
   draggable="true"
+  data-qa-selector="op-attachment-list-item"
   (dragstart)="setDragData($event)"
   [title]="text.dragHint"
 >
   <span class="form--selected-value">
     <op-icon icon-classes="icon-context icon-attachment"></op-icon>
     <a
-        class="work-package--attachments--filename"
-        target="_blank"
-        rel="noopener"
-        [attr.href]="downloadPath || '#'">
+      class="work-package--attachments--filename"
+      target="_blank"
+      rel="noopener"
+      [attr.href]="downloadPath || '#'">
 
-      {{ attachment.fileName || attachment.customName || attachment.name }}
+      {{ fileName }}
 
-      <authoring class="work-package--attachments--info"
-                 [createdOn]="attachment.createdAt"
-                 [author]="attachment.author"
-                 [showAuthorAsLink]="false"></authoring>
+      <op-authoring
+        class="work-package--attachments--info"
+        [createdOn]="attachment.createdAt"
+        [author]="author$ | async"
+        [showAuthorAsLink]="false"
+      ></op-authoring>
     </a>
   </span>
   <a
-      href=""
-      class="form--selected-value--remover work-package--atachments--delete-button"
-      *ngIf="!!attachment.$links.delete"
-      (click)="confirmRemoveAttachment($event)">
-    <op-icon icon-classes="icon-delete"
-             [icon-title]="text.removeFile({fileName: attachment.fileName})"></op-icon>
+    href=""
+    class="form--selected-value--remover work-package--attachments--delete-button"
+    *ngIf="!!attachment._links.delete"
+    (click)="confirmRemoveAttachment($event)">
+    <op-icon
+      icon-classes="icon-delete"
+      [icon-title]="deleteIconTitle"
+    ></op-icon>
   </a>
 
   <input type="hidden" name="attachments[{{index}}][id]" value="{{attachment.id}}">
diff --git a/frontend/src/app/shared/components/attachments/attachment-list/attachment-list.component.ts b/frontend/src/app/shared/components/attachments/attachment-list/attachment-list.component.ts
index 2aca40be87..6b9608bb7f 100644
--- a/frontend/src/app/shared/components/attachments/attachment-list/attachment-list.component.ts
+++ b/frontend/src/app/shared/components/attachments/attachment-list/attachment-list.component.ts
@@ -27,118 +27,68 @@
 //++
 
 import {
-  ChangeDetectorRef, Component, ElementRef, Input, OnInit,
+  ChangeDetectionStrategy,
+  Component,
+  Input,
+  OnInit,
 } from '@angular/core';
+import { trackByProperty } from 'core-app/shared/helpers/angular/tracking-functions';
 import { HalResource } from 'core-app/features/hal/resources/hal-resource';
-import { HalResourceService } from 'core-app/features/hal/services/hal-resource.service';
-import { filter } from 'rxjs/operators';
-import { States } from 'core-app/core/states/states.service';
-import { trackByHref } from 'core-app/shared/helpers/angular/tracking-functions';
+import { IAttachment } from 'core-app/core/state/attachments/attachment.model';
 import { UntilDestroyedMixin } from 'core-app/shared/helpers/angular/until-destroyed.mixin';
+import { AttachmentsResourceService } from 'core-app/core/state/attachments/attachments.service';
+import { map, switchMap, tap } from 'rxjs/operators';
+import isNewResource from 'core-app/features/hal/helpers/is-new-resource';
+import { Observable } from 'rxjs';
 
 @Component({
-  selector: 'attachment-list',
+  selector: 'op-attachment-list',
   templateUrl: './attachment-list.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class AttachmentListComponent extends UntilDestroyedMixin implements OnInit {
   @Input() public resource:HalResource;
 
-  @Input() public destroyImmediately = true;
+  trackByFileName = trackByProperty('fileName');
 
-  trackByHref = trackByHref;
+  $attachments:Observable<IAttachment[]>;
 
-  attachments:HalResource[] = [];
-
-  deletedAttachments:HalResource[] = [];
-
-  public $element:JQuery;
+  private get attachmentsSelfLink():string {
+    const attachments = this.resource.attachments as unknown&{ href:string };
+    return attachments.href;
+  }
 
-  public $formElement:JQuery;
+  private get collectionKey():string {
+    return isNewResource(this.resource) ? 'new' : this.attachmentsSelfLink;
+  }
 
-  constructor(protected elementRef:ElementRef,
-    protected states:States,
-    protected cdRef:ChangeDetectorRef,
-    protected halResourceService:HalResourceService) {
+  constructor(private readonly attachmentsResourceService:AttachmentsResourceService) {
     super();
   }
 
-  ngOnInit() {
-    this.$element = jQuery(this.elementRef.nativeElement);
-
-    this.updateAttachments();
-    this.setupResourceUpdateListener();
-
-    if (!this.destroyImmediately) {
-      this.setupAttachmentDeletionCallback();
+  ngOnInit():void {
+    // ensure collection is loaded to the store
+    if (!isNewResource(this.resource)) {
+      this.attachmentsResourceService.requireCollection(this.attachmentsSelfLink);
     }
-  }
 
-  public setupResourceUpdateListener() {
-    this.states.forResource(this.resource)!
-      .values$()
+    this.$attachments = this.attachmentsResourceService.query.select()
       .pipe(
         this.untilDestroyed(),
-        filter((newResource) => !!newResource),
-      )
-      .subscribe((newResource:HalResource) => {
-        this.resource = newResource || this.resource;
-
-        this.updateAttachments();
-        this.cdRef.detectChanges();
-      });
-  }
-
-  ngOnDestroy():void {
-    super.ngOnDestroy();
-    if (!this.destroyImmediately) {
-      this.$formElement.off('submit.attachment-component');
-    }
+        map((state) => state.collections[this.collectionKey]?.ids),
+        switchMap((attachmentIds) => this.attachmentsResourceService.query.selectMany(attachmentIds)),
+
+        // store attachments for new resources directly into the resource. This way, the POST request to create the
+        // resource embeds the attachments and the backend reroutes the anonymous attachments to the resource.
+        tap((attachments) => {
+          if (isNewResource(this.resource)) {
+            this.resource.attachments = { elements: attachments.map((a) => a._links.self) };
+          }
+        }),
+      );
   }
 
-  public removeAttachment(attachment:HalResource) {
-    this.deletedAttachments.push(attachment);
-    // Keep the same object as we would otherwise loose the connection to the
-    // resource's attachments array. That way, attachments added after removing one would not be displayed.
-    // This is bad design.
-    const newAttachments = this.attachments.filter((el) => el !== attachment);
-    this.attachments.length = 0;
-    this.attachments.push(...newAttachments);
-
-    this.cdRef.detectChanges();
-  }
-
-  private get attachmentsUpdatable() {
-    return (this.resource.attachments && this.resource.attachmentsBackend);
-  }
-
-  public setupAttachmentDeletionCallback() {
-    this.$formElement = this.$element.closest('form');
-    this.$formElement.on('submit.attachment-component', () => {
-      this.destroyRemovedAttachments();
-    });
-  }
-
-  private destroyRemovedAttachments() {
-    this.deletedAttachments.forEach((attachment) => {
-      this
-        .resource
-        .removeAttachment(attachment);
-    });
-  }
-
-  private updateAttachments() {
-    if (!this.attachmentsUpdatable) {
-      this.attachments = this.resource.attachments.elements;
-      return;
-    }
-
-    this
-      .resource
-      .attachments
-      .updateElements()
-      .then(() => {
-        this.attachments = this.resource.attachments.elements;
-        this.cdRef.detectChanges();
-      });
+  public removeAttachment(attachment:IAttachment):void {
+    this.attachmentsResourceService.removeAttachment(this.collectionKey, attachment).subscribe();
   }
 }
diff --git a/frontend/src/app/shared/components/attachments/attachment-list/attachment-list.html b/frontend/src/app/shared/components/attachments/attachment-list/attachment-list.html
index bc4881ef74..da5752594d 100644
--- a/frontend/src/app/shared/components/attachments/attachment-list/attachment-list.html
+++ b/frontend/src/app/shared/components/attachments/attachment-list/attachment-list.html
@@ -1,11 +1,10 @@
 <div class="work-package--attachments--files" *ngIf="resource">
   <ul class="form--selected-value--list"
-      *ngFor="let attachment of attachments; trackBy:trackByHref; let i = index;">
-    <attachment-list-item [attachment]="attachment"
-                          [resource]="resource"
-                          [index]="i"
-                          [destroyImmediately]="destroyImmediately"
-                          (removeAttachment)="removeAttachment(attachment)">
-    </attachment-list-item>
+      *ngFor="let attachment of $attachments | async; trackBy:trackByFileName; let i = index;">
+    <op-attachment-list-item [attachment]="attachment"
+                             [resource]="resource"
+                             [index]="i"
+                             (removeAttachment)="removeAttachment(attachment)">
+    </op-attachment-list-item>
   </ul>
 </div>
diff --git a/frontend/src/app/shared/components/attachments/attachments-upload/attachments-upload.component.ts b/frontend/src/app/shared/components/attachments/attachments-upload/attachments-upload.component.ts
index f0eed08d65..93b8c676fd 100644
--- a/frontend/src/app/shared/components/attachments/attachments-upload/attachments-upload.component.ts
+++ b/frontend/src/app/shared/components/attachments/attachments-upload/attachments-upload.component.ts
@@ -26,53 +26,61 @@
 // See COPYRIGHT and LICENSE files for more details.
 //++
 
-import { ConfigurationService } from 'core-app/core/config/configuration.service';
-import { I18nService } from 'core-app/core/i18n/i18n.service';
 import {
-  Component, ElementRef, Input, OnInit, ViewChild,
+  ChangeDetectionStrategy,
+  Component,
+  ElementRef,
+  Input,
+  OnInit,
+  ViewChild,
 } from '@angular/core';
+import { I18nService } from 'core-app/core/i18n/i18n.service';
+import { ConfigurationService } from 'core-app/core/config/configuration.service';
 import { HalResource } from 'core-app/features/hal/resources/hal-resource';
 import { HalResourceService } from 'core-app/features/hal/services/hal-resource.service';
 import { ToastService } from 'core-app/shared/components/toaster/toast.service';
 import { UploadFile } from 'core-app/core/file-upload/op-file-upload.service';
+import { AttachmentsResourceService } from 'core-app/core/state/attachments/attachments.service';
 
 @Component({
-  selector: 'attachments-upload',
+  selector: 'op-attachments-upload',
   templateUrl: './attachments-upload.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class AttachmentsUploadComponent implements OnInit {
   @Input() public resource:HalResource;
 
-  @ViewChild('hiddenFileInput') public filePicker:ElementRef;
+  @ViewChild('hiddenFileInput') public filePicker:ElementRef<HTMLInputElement>;
 
   public draggingOver = false;
 
-  public text:any;
+  public text = {
+    uploadLabel: this.I18n.t('js.label_add_attachments'),
+    dropFiles: this.I18n.t('js.label_drop_files'),
+    dropFilesHint: this.I18n.t('js.label_drop_files_hint'),
+    foldersWarning: this.I18n.t('js.label_drop_folders_hint'),
+  };
 
   public maxFileSize:number;
 
   public $element:JQuery;
 
   constructor(readonly I18n:I18nService,
-    readonly ConfigurationService:ConfigurationService,
+    private readonly attachmentsResourceService:AttachmentsResourceService,
+    readonly configurationService:ConfigurationService,
     readonly toastService:ToastService,
     protected elementRef:ElementRef,
-    protected halResourceService:HalResourceService) {
-    this.text = {
-      uploadLabel: I18n.t('js.label_add_attachments'),
-      dropFiles: I18n.t('js.label_drop_files'),
-      dropFilesHint: I18n.t('js.label_drop_files_hint'),
-      foldersWarning: I18n.t('js.label_drop_folders_hint'),
-    };
-  }
+    protected halResourceService:HalResourceService) { }
 
-  ngOnInit() {
-    this.$element = jQuery(this.elementRef.nativeElement);
+  ngOnInit():void {
+    this.$element = jQuery<HTMLElement>(this.elementRef.nativeElement);
 
-    this.ConfigurationService.initialized.then(() => this.maxFileSize = this.ConfigurationService.maximumAttachmentFileSize);
+    void this.configurationService.initialized.then(() => {
+      this.maxFileSize = this.configurationService.maximumAttachmentFileSize as number;
+    });
   }
 
-  public triggerFileInput(event:MouseEvent) {
+  public triggerFileInput(event:MouseEvent):boolean {
     this.filePicker.nativeElement.click();
 
     event.preventDefault();
@@ -80,12 +88,15 @@ export class AttachmentsUploadComponent implements OnInit {
     return false;
   }
 
-  public onDropFiles(event:DragEvent) {
-    event.dataTransfer!.dropEffect = 'copy';
+  public onDropFiles(event:DragEvent):void {
+    if (event.dataTransfer === null) return;
+
+    // eslint-disable-next-line no-param-reassign
+    event.dataTransfer.dropEffect = 'copy';
     event.preventDefault();
     event.stopPropagation();
 
-    const dfFiles = event.dataTransfer!.files;
+    const dfFiles = event.dataTransfer.files;
     const length:number = dfFiles ? dfFiles.length : 0;
 
     const files:UploadFile[] = [];
@@ -97,9 +108,10 @@ export class AttachmentsUploadComponent implements OnInit {
     this.draggingOver = false;
   }
 
-  public onDragOver(event:DragEvent) {
-    if (this.containsFiles(event.dataTransfer)) {
-      event.dataTransfer!.dropEffect = 'copy';
+  public onDragOver(event:DragEvent):void {
+    if (event.dataTransfer !== null && AttachmentsUploadComponent.containsFiles(event.dataTransfer)) {
+      // eslint-disable-next-line no-param-reassign
+      event.dataTransfer.dropEffect = 'copy';
       this.draggingOver = true;
     }
 
@@ -107,30 +119,30 @@ export class AttachmentsUploadComponent implements OnInit {
     event.stopPropagation();
   }
 
-  public onDragLeave(event:DragEvent) {
+  public onDragLeave(event:DragEvent):void {
     this.draggingOver = false;
     event.preventDefault();
     event.stopPropagation();
   }
 
-  public onFilePickerChanged() {
-    const files:UploadFile[] = Array.from(this.filePicker.nativeElement.files);
+  public onFilePickerChanged():void {
+    const fileList = this.filePicker.nativeElement.files;
+    if (fileList === null) return;
+
+    const files:UploadFile[] = Array.from(fileList);
     this.uploadFiles(files);
   }
 
-  private containsFiles(dataTransfer:any) {
-    if (dataTransfer.types.contains) {
-      return dataTransfer.types.contains('Files');
-    }
-    return (dataTransfer as DataTransfer).types.indexOf('Files') >= 0;
+  private static containsFiles(dataTransfer:DataTransfer):boolean {
+    return dataTransfer.types.indexOf('Files') >= 0;
   }
 
   protected uploadFiles(files:UploadFile[]):void {
-    files = files || [];
+    let uploadFiles = files || [];
     const countBefore = files.length;
-    files = this.filterFolders(files);
+    uploadFiles = this.filterFolders(uploadFiles);
 
-    if (files.length === 0) {
+    if (uploadFiles.length === 0) {
       // If we filtered all files as directories, show a notice
       if (countBefore > 0) {
         this.toastService.addNotice(this.text.foldersWarning);
@@ -139,7 +151,10 @@ export class AttachmentsUploadComponent implements OnInit {
       return;
     }
 
-    this.resource.uploadAttachments(files);
+    this
+      .attachmentsResourceService
+      .attachFiles(this.resource, uploadFiles)
+      .subscribe();
   }
 
   /**
@@ -147,7 +162,7 @@ export class AttachmentsUploadComponent implements OnInit {
    * or empty file sizes.
    * @param files
    */
-  protected filterFolders(files:UploadFile[]) {
+  protected filterFolders(files:UploadFile[]):UploadFile[] {
     return files.filter((file) => {
       // Folders never have a mime type
       if (file.type !== '') {
diff --git a/frontend/src/app/shared/components/attachments/attachments.html b/frontend/src/app/shared/components/attachments/attachments.html
index c521d159b3..90e12c9aee 100644
--- a/frontend/src/app/shared/components/attachments/attachments.html
+++ b/frontend/src/app/shared/components/attachments/attachments.html
@@ -3,14 +3,13 @@
     {{ text.attachments }}
   </legend>
   <div id="attachments_fields">
-    <attachment-list *ngIf="resource.attachments"
-                     [resource]="resource"
-                     [destroyImmediately]="destroyImmediately">
-    </attachment-list>
-    <attachments-upload [resource]="resource"
+    <op-attachment-list *ngIf="resource.attachments"
+                     [resource]="resource">
+    </op-attachment-list>
+    <op-attachments-upload [resource]="resource"
                         class="hide-when-print"
                         *ngIf="allowUploading">
-    </attachments-upload>
+    </op-attachments-upload>
   </div>
 </fieldset>
 
diff --git a/frontend/src/app/shared/components/attachments/authoring/authoring.component.html b/frontend/src/app/shared/components/attachments/authoring/authoring.component.html
index 6f41372a98..409cf6cc4c 100644
--- a/frontend/src/app/shared/components/attachments/authoring/authoring.component.html
+++ b/frontend/src/app/shared/components/attachments/authoring/authoring.component.html
@@ -1,20 +1,15 @@
 <div class="op-authoring">
-  <span *ngIf="showAuthorAsLink" [textContent]="author.name"></span>
+  <span
+    *ngIf="showAuthorAsLink"
+    [textContent]="authorName"
+  ></span>
   <a
     *ngIf="!showAuthorAsLink"
-    [attr.href]="userLink"
-    [textContent]="author.name"
+    [attr.href]="authorLink"
+    [textContent]="authorName"
   ></a>
 
-  <span class="op-authoring--timestamp" *ngIf="activity">
-    <a
-      [attr.title]="time"
-      [attr.href]="activityFromPath(createdOnTime.format('YYYY-MM-DD'))"
-      [textContent]="timeago"
-    ></a>
-  </span>
   <span
-    *ngIf="!activity"
     class="op-authoring--timestamp"
     [textContent]="timeago"
     [attr.title]="time"
diff --git a/frontend/src/app/shared/components/attachments/authoring/authoring.component.ts b/frontend/src/app/shared/components/attachments/authoring/authoring.component.ts
index 788869a4fc..8c48e7420e 100644
--- a/frontend/src/app/shared/components/attachments/authoring/authoring.component.ts
+++ b/frontend/src/app/shared/components/attachments/authoring/authoring.component.ts
@@ -26,58 +26,46 @@
 // See COPYRIGHT and LICENSE files for more details.
 //++
 
-import { Component, Input, OnInit } from '@angular/core';
-import { I18nService } from 'core-app/core/i18n/i18n.service';
+import {
+  ChangeDetectionStrategy, Component, Input, OnInit,
+} from '@angular/core';
+import { Moment } from 'moment-timezone';
 import { PathHelperService } from 'core-app/core/path-helper/path-helper.service';
-import { HalResource } from 'core-app/features/hal/resources/hal-resource';
 import { TimezoneService } from 'core-app/core/datetime/timezone.service';
-import idFromLink from 'core-app/features/hal/helpers/id-from-link';
+import { IUser } from 'core-app/core/state/principals/user.model';
 
 @Component({
   templateUrl: './authoring.component.html',
   styleUrls: ['./authoring.component.sass'],
-  selector: 'authoring',
+  selector: 'op-authoring',
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class AuthoringComponent implements OnInit {
-  // scope: { createdOn: '=', author: '=', showAuthorAsLink: '=', project: '=', activity: '=' },
-  @Input('createdOn') createdOn:string;
+  @Input() createdOn:string;
 
-  @Input('author') author:HalResource;
+  @Input() author:IUser;
 
-  @Input('showAuthorAsLink') showAuthorAsLink:boolean;
+  @Input() showAuthorAsLink:boolean;
 
-  @Input('project') project:any;
+  public createdOnTime:Moment;
 
-  @Input('activity') activity:any;
+  public timeago:string;
 
-  public createdOnTime:any;
+  public time:string;
 
-  public timeago:any;
-
-  public time:any;
-
-  public userLink:string;
-
-  public constructor(readonly PathHelper:PathHelperService,
-    readonly I18n:I18nService,
-    readonly timezoneService:TimezoneService) {
+  public get authorName():string {
+    return (this.author && this.author.name) || '';
+  }
 
+  public get authorLink():string {
+    return (this.author && this.PathHelper.userPath(this.author.id)) || '';
   }
 
-  ngOnInit() {
+  public constructor(readonly PathHelper:PathHelperService, readonly timezoneService:TimezoneService) { }
+
+  ngOnInit():void {
     this.createdOnTime = this.timezoneService.parseDatetime(this.createdOn);
     this.timeago = this.createdOnTime.fromNow();
     this.time = this.createdOnTime.format('LLL');
-    this.userLink = this.PathHelper.userPath(idFromLink(this.author.href));
-  }
-
-  public activityFromPath(from:any) {
-    let path = this.PathHelper.projectActivityPath(this.project);
-
-    if (from) {
-      path += `?from=${from}`;
-    }
-
-    return path;
   }
 }
diff --git a/frontend/src/app/shared/components/autocompleter/project-menu-autocomplete/project-menu-autocomplete.template.html b/frontend/src/app/shared/components/autocompleter/project-menu-autocomplete/project-menu-autocomplete.template.html
index 32d7066ae5..6a613723af 100644
--- a/frontend/src/app/shared/components/autocompleter/project-menu-autocomplete/project-menu-autocomplete.template.html
+++ b/frontend/src/app/shared/components/autocompleter/project-menu-autocomplete/project-menu-autocomplete.template.html
@@ -1,14 +1,27 @@
-<div class="dropdown dropdown-relative project-search-results" id="project_autocompletion_wrapper">
+<div
+  class="dropdown dropdown-relative project-search-results"
+  id="project_autocompletion_wrapper"
+>
   <div class="project-menu-autocomplete--wrapper">
     <div class="project-menu-autocomplete--input-container">
-      <label for="project_autocompletion_input" class="hidden-for-sighted" [textContent]="text.label"></label>
-      <input type="text"
-             id="project_autocompletion_input"
-             name="project_autocompletion_input"
-             class="ui-autocomplete--input project-menu-autocomplete--input"
-             [attr.placeholder]="loadingText">
+      <label
+        for="project_autocompletion_input"
+        class="hidden-for-sighted"
+        [textContent]="text.label"
+      ></label>
+      <input
+        type="text"
+        id="project_autocompletion_input"
+        name="project_autocompletion_input"
+        class="ui-autocomplete--input project-menu-autocomplete--input"
+        [attr.placeholder]="loadingText"
+      />
       <i class="project-menu-autocomplete--search-icon icon-search"></i>
     </div>
-    <p class="project-menu-autocomplete--no-results" hidden [textContent]="text.no_results"></p>
+    <p
+      class="project-menu-autocomplete--no-results"
+      hidden
+      [textContent]="text.no_results"
+    ></p>
   </div>
 </div>
diff --git a/frontend/src/app/shared/components/editor/components/ckeditor/ckeditor-setup.service.ts b/frontend/src/app/shared/components/editor/components/ckeditor/ckeditor-setup.service.ts
index a72880685c..e4d5d7dfcd 100644
--- a/frontend/src/app/shared/components/editor/components/ckeditor/ckeditor-setup.service.ts
+++ b/frontend/src/app/shared/components/editor/components/ckeditor/ckeditor-setup.service.ts
@@ -20,6 +20,9 @@ declare global {
 
 @Injectable()
 export class CKEditorSetupService {
+  /** The language CKEditor was able to load, falls back to 'en' */
+  private loadedLocale = 'en';
+
   constructor(private PathHelper:PathHelperService) {
   }
 
@@ -38,8 +41,8 @@ export class CKEditorSetupService {
     wrapper:HTMLElement, context:ICKEditorContext,
     initialData:string|null = null,
   ):Promise<ICKEditorWatchdog> {
-    // Load the bundle
-    await CKEditorSetupService.load();
+    // Load the bundle and the matching locale, if found.
+    await this.load();
 
     const { type } = context;
     const editorClass = type === 'constrained' ? window.OPConstrainedEditor : window.OPClassicEditor;
@@ -47,12 +50,14 @@ export class CKEditorSetupService {
 
     const toolbarWrapper = wrapper.querySelector('.document-editor__toolbar') as HTMLElement;
     const contentWrapper = wrapper.querySelector('.document-editor__editable') as HTMLElement;
+    const uiLocale = this.loadedLocale;
     const contentLanguage = context.options && context.options.rtl ? 'ar' : 'en';
 
     const config = {
       openProject: this.createConfig(context),
       initialData,
       language: {
+        ui: uiLocale,
         content: contentLanguage,
       },
     };
@@ -99,11 +104,20 @@ export class CKEditorSetupService {
   /**
    * Load the ckeditor asset
    */
-  private static load():Promise<unknown> {
+  private async load():Promise<void> {
     // untyped module cannot be dynamically imported
     // eslint-disable-next-line @typescript-eslint/ban-ts-comment
     // @ts-ignore
-    return import(/* webpackChunkName: "ckeditor" */ 'core-vendor/ckeditor/ckeditor.js');
+    await import(/* webpackChunkName: "ckeditor" */ 'core-vendor/ckeditor/ckeditor.js');
+
+    try {
+      await import(
+        /* webpackChunkName: "ckeditor-translation" */ `../../../../../../vendor/ckeditor/translations/${I18n.locale}.js`
+      ) as unknown;
+      this.loadedLocale = I18n.locale;
+    } catch (e:unknown) {
+      console.warn(`Failed to load translation for CKEditor: ${e as string}`);
+    }
   }
 
   private createConfig(context:ICKEditorContext):unknown {
diff --git a/frontend/src/app/shared/components/editor/components/ckeditor/op-ckeditor.component.ts b/frontend/src/app/shared/components/editor/components/ckeditor/op-ckeditor.component.ts
index 815f02fcf9..4cd5255721 100644
--- a/frontend/src/app/shared/components/editor/components/ckeditor/op-ckeditor.component.ts
+++ b/frontend/src/app/shared/components/editor/components/ckeditor/op-ckeditor.component.ts
@@ -52,10 +52,10 @@ export class OpCkeditorComponent implements OnInit, OnDestroy {
 
   @Input()
   public set content(newVal:string) {
-    this._content = newVal;
+    this._content = newVal || '';
 
     if (this.initialized) {
-      this.ckEditorInstance.setData(newVal);
+      this.ckEditorInstance.setData(this._content);
     }
   }
 
@@ -84,7 +84,7 @@ export class OpCkeditorComponent implements OnInit, OnDestroy {
 
   public manualMode = false;
 
-  private _content:string;
+  private _content = '';
 
   public text = {
     errorTitle: this.I18n.t('js.editor.ckeditor_error'),
diff --git a/frontend/src/app/shared/components/enterprise-banner/enterprise-banner.component.html b/frontend/src/app/shared/components/enterprise-banner/enterprise-banner.component.html
new file mode 100644
index 0000000000..24f36b4ca1
--- /dev/null
+++ b/frontend/src/app/shared/components/enterprise-banner/enterprise-banner.component.html
@@ -0,0 +1,15 @@
+<div
+  class="op-enterprise-banner"
+  data-qa-selector="op-enterprise-banner"
+>
+  <div class="op-toast -ee-upsale"
+       [ngClass]="{'-left-margin': leftMargin }">
+    <div class="op-toast--content">
+      <p class="-bold" [textContent]="text.enterpriseFeature"></p>
+      <p [textContent]="textMessage"></p>
+      <a [href]="link"
+         target='blank'
+         [textContent]="linkMessage"></a>
+    </div>
+  </div>
+</div>
\ No newline at end of file
diff --git a/frontend/src/app/shared/components/enterprise-banner/enterprise-banner.component.ts b/frontend/src/app/shared/components/enterprise-banner/enterprise-banner.component.ts
index fb3ed2977d..c8e13dd781 100644
--- a/frontend/src/app/shared/components/enterprise-banner/enterprise-banner.component.ts
+++ b/frontend/src/app/shared/components/enterprise-banner/enterprise-banner.component.ts
@@ -1,26 +1,19 @@
-import { Component, Input } from '@angular/core';
+import {
+  ChangeDetectionStrategy,
+  Component,
+  Input,
+  OnInit,
+} from '@angular/core';
 import { BannersService } from 'core-app/core/enterprise/banners.service';
 import { I18nService } from 'core-app/core/i18n/i18n.service';
 
 @Component({
   selector: 'enterprise-banner',
   styleUrls: ['./enterprise-banner.component.sass'],
-  template: `
-    <div class="op-enterprise-banner">
-      <div class="op-toast -ee-upsale"
-           [ngClass]="{'-left-margin': leftMargin }">
-        <div class="op-toast--content">
-          <p class="-bold" [textContent]="text.enterpriseFeature"></p>
-          <p [textContent]="textMessage"></p>
-          <a [href]="eeLink()"
-             target='blank'
-             [textContent]="linkMessage"></a>
-        </div>
-      </div>
-    </div>
-  `
+  templateUrl: './enterprise-banner.component.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class EnterpriseBannerComponent {
+export class EnterpriseBannerComponent implements OnInit {
   @Input() public leftMargin = false;
 
   @Input() public textMessage:string;
@@ -29,6 +22,8 @@ export class EnterpriseBannerComponent {
 
   @Input() public opReferrer:string;
 
+  public link:string;
+
   public text:any = {
     enterpriseFeature: this.I18n.t('js.upsale.ee_only'),
   };
@@ -38,7 +33,7 @@ export class EnterpriseBannerComponent {
     protected bannersService:BannersService,
   ) {}
 
-  public eeLink() {
-    this.bannersService.getEnterPriseEditionUrl({ referrer: this.opReferrer });
+  ngOnInit():void {
+    this.link = this.bannersService.getEnterPriseEditionUrl({ referrer: this.opReferrer });
   }
 }
diff --git a/frontend/src/app/shared/components/grids/widgets/custom-text/custom-text-edit-field.service.ts b/frontend/src/app/shared/components/grids/widgets/custom-text/custom-text-edit-field.service.ts
index a39d3dfb41..777d493370 100644
--- a/frontend/src/app/shared/components/grids/widgets/custom-text/custom-text-edit-field.service.ts
+++ b/frontend/src/app/shared/components/grids/widgets/custom-text/custom-text-edit-field.service.ts
@@ -9,6 +9,7 @@ import { ResourceChangeset } from 'core-app/shared/components/fields/changeset/r
 import { SchemaCacheService } from 'core-app/core/schemas/schema-cache.service';
 import { UploadFile } from 'core-app/core/file-upload/op-file-upload.service';
 import { ICKEditorContext } from 'core-app/shared/components/editor/components/ckeditor/ckeditor.types';
+import { HalResource } from 'core-app/features/hal/resources/hal-resource';
 
 @Injectable()
 export class CustomTextEditFieldService extends EditFieldHandler {
@@ -143,9 +144,9 @@ export class CustomTextEditFieldService extends EditFieldHandler {
         type: 'full',
         macros: 'resource',
       } as ICKEditorContext),
-      canAddAttachments: value.grid.canAddAttachments,
-      uploadAttachments: (files:UploadFile[]) => value.grid.uploadAttachments(files),
+      canAddAttachments: value.grid.canAddAttachments as boolean,
       _links: {
+        attachments: (value.grid as HalResource).attachments as { href?:string },
         schema: {
           href: schemaHref,
         },
diff --git a/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.html b/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.html
new file mode 100644
index 0000000000..e306ea1ed9
--- /dev/null
+++ b/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.html
@@ -0,0 +1,8 @@
+<div class="op-principal-loading-skeleton">
+  <op-content-loader
+    viewBox="0 0 180 80"
+  >
+    <svg:rect height="30%" rx="4" ry="4" width="117" x="75" y="30"/>
+    <svg:circle cx="35" cy="42" r="35"></circle>
+  </op-content-loader>
+</div>
\ No newline at end of file
diff --git a/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.sass b/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.sass
new file mode 100644
index 0000000000..423c2dd1e2
--- /dev/null
+++ b/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.sass
@@ -0,0 +1,7 @@
+.op-principal-loading-skeleton
+  width: 100%
+  position: relative
+  background: var(--body-background)
+  font-size: var(--card-font-size)
+  overflow: hidden
+  height: 80px
\ No newline at end of file
diff --git a/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.ts b/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.ts
new file mode 100644
index 0000000000..918c7aac30
--- /dev/null
+++ b/frontend/src/app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component.ts
@@ -0,0 +1,14 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+} from '@angular/core';
+
+@Component({
+  selector: 'op-principal-loading-skeleton',
+  templateUrl: './op-principal-loading-skeleton.component.html',
+  styleUrls: ['./op-principal-loading-skeleton.component.sass'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class OpPrincipalLoadingComponent {
+
+}
diff --git a/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.html b/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.html
new file mode 100644
index 0000000000..ee923b098e
--- /dev/null
+++ b/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.html
@@ -0,0 +1,8 @@
+<div class="op-wp-loading-skeleton">
+  <op-content-loader
+    [viewBox]="viewBox"
+  >
+    <svg:rect x="0" y="0" rx="3" ry="3" width="20%" height="35%"/>
+    <svg:rect x="0" y="40%" rx="3" ry="3" width="100%" height="35%"/>
+  </op-content-loader>
+</div>
\ No newline at end of file
diff --git a/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.sass b/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.sass
new file mode 100644
index 0000000000..a897285426
--- /dev/null
+++ b/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.sass
@@ -0,0 +1,21 @@
+.op-wp-loading-skeleton
+  width: calc(100% - 2px)
+  border: 1px solid var(--widget-box-block-border-color)
+  border-radius: 2px
+  padding: 10px
+  position: relative
+  box-shadow: 1px 1px 3px 0px lightgrey
+  background: var(--body-background)
+  font-size: var(--card-font-size)
+  overflow: hidden
+  height: 80px
+
+  &:after
+    width: 12px
+    height: 100px
+    background: white
+    content: ''
+    display: block
+    position: absolute
+    right: 0
+    top: 0
\ No newline at end of file
diff --git a/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.ts b/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.ts
new file mode 100644
index 0000000000..27336fd481
--- /dev/null
+++ b/frontend/src/app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component.ts
@@ -0,0 +1,15 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  Input,
+} from '@angular/core';
+
+@Component({
+  selector: 'op-wp-loading-skeleton',
+  templateUrl: './op-wp-loading-skeleton.component.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  styleUrls: ['./op-wp-loading-skeleton.component.sass'],
+})
+export class OpWPLoadingComponent {
+  @Input() public viewBox?:string = '0 0 800 80';
+}
diff --git a/frontend/src/app/shared/components/op-content-loader/openproject-content-loader.module.ts b/frontend/src/app/shared/components/op-content-loader/openproject-content-loader.module.ts
index 24fffe430b..8a5e976bd8 100644
--- a/frontend/src/app/shared/components/op-content-loader/openproject-content-loader.module.ts
+++ b/frontend/src/app/shared/components/op-content-loader/openproject-content-loader.module.ts
@@ -1,14 +1,20 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { OpContentLoaderComponent } from 'core-app/shared/components/op-content-loader/op-content-loader.component';
+import { OpPrincipalLoadingComponent } from 'core-app/shared/components/op-content-loader/op-principal-loading-skeleton/op-principal-loading-skeleton.component';
+import { OpWPLoadingComponent } from 'core-app/shared/components/op-content-loader/op-wp-loading-skeleton/op-wp-loading-skeleton.component';
 import { ContentLoaderModule } from '@ngneat/content-loader';
 
 @NgModule({
   declarations: [
     OpContentLoaderComponent,
+    OpPrincipalLoadingComponent,
+    OpWPLoadingComponent,
   ],
   exports: [
     OpContentLoaderComponent,
+    OpPrincipalLoadingComponent,
+    OpWPLoadingComponent,
   ],
   imports: [
     CommonModule,
diff --git a/frontend/src/app/shared/components/op-context-menu/op-context-menu-handler.ts b/frontend/src/app/shared/components/op-context-menu/op-context-menu-handler.ts
index 5f3605b32e..e58fce1697 100644
--- a/frontend/src/app/shared/components/op-context-menu/op-context-menu-handler.ts
+++ b/frontend/src/app/shared/components/op-context-menu/op-context-menu-handler.ts
@@ -31,7 +31,7 @@ export abstract class OpContextMenuHandler extends UntilDestroyedMixin {
    *
    * @param {Event} openerEvent
    */
-  public positionArgs(openerEvent:JQuery.TriggeredEvent):any {
+  public positionArgs(openerEvent:JQuery.TriggeredEvent|Event):JQueryUI.JQueryPositionOptions {
     return {
       my: 'left top',
       at: 'right bottom',
diff --git a/frontend/src/app/shared/components/op-context-menu/op-context-menu.service.ts b/frontend/src/app/shared/components/op-context-menu/op-context-menu.service.ts
index 09d2dea81a..e93e21a796 100644
--- a/frontend/src/app/shared/components/op-context-menu/op-context-menu.service.ts
+++ b/frontend/src/app/shared/components/op-context-menu/op-context-menu.service.ts
@@ -11,6 +11,7 @@ import {
 import { OPContextMenuComponent } from 'core-app/shared/components/op-context-menu/op-context-menu.component';
 import { KeyCodes } from 'core-app/shared/helpers/keyCodes.enum';
 import { FocusHelperService } from 'core-app/shared/directives/focus/focus-helper';
+import { ComponentType } from '@angular/cdk/portal/portal';
 
 @Injectable({ providedIn: 'root' })
 export class OPContextMenuService {
@@ -64,9 +65,12 @@ export class OPContextMenuService {
 
   /**
    * Open a ContextMenu reference and append it to the portal
-   * @param contextMenu A reference to a context menu handler
+   * @param menu A reference to a context menu handler
+   * @param event The event that triggered the context menu for positioning
+   * @param component The context menu component to mount
+   *
    */
-  public show(menu:OpContextMenuHandler, event:JQuery.TriggeredEvent, component:any = OPContextMenuComponent) {
+  public show(menu:OpContextMenuHandler, event:JQuery.TriggeredEvent|Event, component:ComponentType<unknown> = OPContextMenuComponent):void {
     this.close();
 
     // Create a portal for the given component class and render it
@@ -79,19 +83,19 @@ export class OPContextMenuService {
     setTimeout(() => {
       this.reposition(event);
       // Focus on the first element
-      this.active && this.active.onOpen(this.activeMenu);
+      this.active?.onOpen(this.activeMenu);
       this.isOpening = false;
     });
   }
 
-  public isActive(menu:OpContextMenuHandler) {
-    return this.active && this.active === menu;
+  public isActive(menu:OpContextMenuHandler):boolean {
+    return !!this.active && this.active === menu;
   }
 
   /**
    * Closes all currently open context menus.
    */
-  public close() {
+  public close():void {
     if (this.isOpening) {
       return;
     }
@@ -99,11 +103,11 @@ export class OPContextMenuService {
     // Detach any component currently in the portal
     this.bodyPortalHost.detach();
     this.portalHostElement.style.display = 'none';
-    this.active && this.active.onClose();
+    this.active?.onClose();
     this.active = null;
   }
 
-  public reposition(event:JQuery.TriggeredEvent) {
+  public reposition(event:JQuery.TriggeredEvent|Event):void {
     if (!this.active) {
       return;
     }
diff --git a/frontend/src/app/shared/components/op-context-menu/wp-context-menu/wp-single-context-menu.ts b/frontend/src/app/shared/components/op-context-menu/wp-context-menu/wp-single-context-menu.ts
index 6d0f71ae56..b891a608bc 100644
--- a/frontend/src/app/shared/components/op-context-menu/wp-context-menu/wp-single-context-menu.ts
+++ b/frontend/src/app/shared/components/op-context-menu/wp-context-menu/wp-single-context-menu.ts
@@ -53,6 +53,10 @@ export class WorkPackageSingleContextMenuDirective extends OpContextMenuTrigger
     const { link } = action;
 
     switch (key) {
+      case 'copy_to_other_project':
+        window.location.href = `${this.PathHelper.staticBase}/work_packages/move/new?copy=true&ids[]=${this.workPackage.id as string}`;
+        break;
+
       case 'copy':
         this.$state.go('work-packages.copy', { copiedFromWorkPackageId: this.workPackage.id });
         break;
diff --git a/frontend/src/app/shared/components/op-context-menu/wp-context-menu/wp-static-context-menu-actions.ts b/frontend/src/app/shared/components/op-context-menu/wp-context-menu/wp-static-context-menu-actions.ts
index 8ca7d5ef3a..eb42bb066d 100644
--- a/frontend/src/app/shared/components/op-context-menu/wp-context-menu/wp-static-context-menu-actions.ts
+++ b/frontend/src/app/shared/components/op-context-menu/wp-context-menu/wp-static-context-menu-actions.ts
@@ -1,39 +1,34 @@
-export const PERMITTED_CONTEXT_MENU_ACTIONS = [
+import { WorkPackageAction } from 'core-app/features/work-packages/components/wp-table/context-menu-helper/wp-context-menu-helper.service';
+
+export const PERMITTED_CONTEXT_MENU_ACTIONS:WorkPackageAction[] = [
   {
     key: 'log_time',
     link: 'logTime',
-    resource: 'workPackage',
   },
   {
     key: 'change_project',
     icon: 'icon-move',
     link: 'move',
-    resource: 'workPackage',
   },
   {
     key: 'copy',
     link: 'copy',
-    resource: 'workPackage',
   },
   {
     key: 'copy_to_other_project',
     link: 'copy',
     icon: 'icon-project-types',
-    resource: 'workPackage',
   },
   {
     key: 'delete',
     link: 'delete',
-    resource: 'workPackage',
   },
   {
     key: 'export-pdf',
     link: 'pdf',
-    resource: 'workPackage',
   },
   {
     key: 'export-atom',
     link: 'atom',
-    resource: 'workPackage',
   },
 ];
diff --git a/frontend/src/app/shared/components/principal/principal.component.ts b/frontend/src/app/shared/components/principal/principal.component.ts
index d86101a74a..5d6bdaa300 100644
--- a/frontend/src/app/shared/components/principal/principal.component.ts
+++ b/frontend/src/app/shared/components/principal/principal.component.ts
@@ -45,6 +45,7 @@ import {
 import { PrincipalLike } from './principal-types';
 import { DatasetInputs } from 'core-app/shared/components/dataset-inputs.decorator';
 import { PrincipalType } from 'core-app/shared/components/principal/principal-helper';
+import { PrincipalsResourceService } from 'core-app/core/state/principals/principals.service';
 
 export const principalSelector = 'op-principal';
 
@@ -70,16 +71,21 @@ export class OpPrincipalComponent implements OnInit {
 
   @Input() size:AvatarSize = 'default';
 
-  public constructor(readonly elementRef:ElementRef,
+  public constructor(
+    readonly elementRef:ElementRef,
     readonly PathHelper:PathHelperService,
     readonly principalRenderer:PrincipalRendererService,
+    readonly principalResourceService:PrincipalsResourceService,
     readonly I18n:I18nService,
     readonly apiV3Service:ApiV3Service,
-    readonly timezoneService:TimezoneService) {
-
-  }
+    readonly timezoneService:TimezoneService,
+  ) { }
 
   ngOnInit() {
+    if (!this.principal.name) {
+      return;
+    }
+
     this.principalRenderer.render(
       this.elementRef.nativeElement as HTMLElement,
       this.principal,
diff --git a/frontend/src/app/shared/components/project-include/project-include.component.html b/frontend/src/app/shared/components/project-include/project-include.component.html
index 3b8e3ef9a9..6306721f01 100644
--- a/frontend/src/app/shared/components/project-include/project-include.component.html
+++ b/frontend/src/app/shared/components/project-include/project-include.component.html
@@ -29,7 +29,7 @@
     </div>
     <form
       (submit)="onSubmit($event)"
-      class="spot-body"
+      class="spot-body op-project-include--body"
     >
       <spot-text-field
         [disabled]="!(areProjectsLoaded$ | async)"
@@ -41,19 +41,21 @@
       >
         <span
           slot="before"
-          class="op-icon icon-search"
+          class="spot-icon spot-icon_search"
         ></span>
       </spot-text-field>
 
       <ng-container *ngIf="(areProjectsLoaded$ | async); else loadingTemplate">
         <ul
+          class="op-project-include--list"
           op-project-list
           [projects]="projects$ | async"
           [selected]="selectedProjects"
+          [query]="query"
           (update)="selectedProjects = $event"
           data-qa-selector="project-include-list"
         ></ul>
-    </ng-container> 
+      </ng-container> 
 
       <div class="spot-action-bar">
         <div class="spot-action-bar--left"></div>
@@ -74,40 +76,41 @@
           </button>
         </div>
       </div>
-      <ng-template #loadingTemplate>
-        <op-content-loader
-        class="op-project-include--loading"
-        data-qa-selector="op-project-include--loading"
-        viewBox="0 0 200 140"
-      >
-        <svg:rect x="0" width="12" height="12" rx="1" />
-        <svg:rect x="15" width="100%" height="12" rx="1" />
+    </form>
+  </ng-container>
+</spot-drop-modal>
 
-        <svg:rect x="10" y="16" width="12" height="12" rx="1" />
-        <svg:rect x="25" y="16" width="100%" height="12" rx="1" />
+<ng-template #loadingTemplate>
+  <op-content-loader
+    class="op-project-include--loading"
+    data-qa-selector="op-project-include--loading"
+    viewBox="0 0 200 140"
+  >
+    <svg:rect x="0" width="12" height="12" rx="1" />
+    <svg:rect x="15" width="100%" height="12" rx="1" />
 
-        <svg:rect x="10" y="32" width="12" height="12" rx="1" />
-        <svg:rect x="25" y="32" width="100%" height="12" rx="1" />
+    <svg:rect x="10" y="16" width="12" height="12" rx="1" />
+    <svg:rect x="25" y="16" width="100%" height="12" rx="1" />
 
-        <svg:rect x="20" y="48" width="12" height="12" rx="1" />
-        <svg:rect x="35" y="48" width="100%" height="12" rx="1" />
+    <svg:rect x="10" y="32" width="12" height="12" rx="1" />
+    <svg:rect x="25" y="32" width="100%" height="12" rx="1" />
 
-        <svg:rect x="20" y="64" width="12" height="12" rx="1" />
-        <svg:rect x="35" y="64" width="100%" height="12" rx="1" />
+    <svg:rect x="20" y="48" width="12" height="12" rx="1" />
+    <svg:rect x="35" y="48" width="100%" height="12" rx="1" />
 
-        <svg:rect x="0" y="80" width="12" height="12" rx="1" />
-        <svg:rect x="15" y="80" width="100%" height="12" rx="1" />
+    <svg:rect x="20" y="64" width="12" height="12" rx="1" />
+    <svg:rect x="35" y="64" width="100%" height="12" rx="1" />
 
-        <svg:rect x="10" y="96" width="12" height="12" rx="1" />
-        <svg:rect x="25" y="96" width="100%" height="12" rx="1" />
+    <svg:rect x="0" y="80" width="12" height="12" rx="1" />
+    <svg:rect x="15" y="80" width="100%" height="12" rx="1" />
 
-        <svg:rect x="10" y="112" width="12" height="12" rx="1" />
-        <svg:rect x="25" y="112" width="100%" height="12" rx="1" />
+    <svg:rect x="10" y="96" width="12" height="12" rx="1" />
+    <svg:rect x="25" y="96" width="100%" height="12" rx="1" />
 
-        <svg:rect x="0" y="128" width="12" height="12" rx="1" />
-        <svg:rect x="15" y="128" width="100%" height="12" rx="1" />
-        </op-content-loader>
-      </ng-template>
-    </form>
-  </ng-container>
-</spot-drop-modal>
+    <svg:rect x="10" y="112" width="12" height="12" rx="1" />
+    <svg:rect x="25" y="112" width="100%" height="12" rx="1" />
+
+    <svg:rect x="0" y="128" width="12" height="12" rx="1" />
+    <svg:rect x="15" y="128" width="100%" height="12" rx="1" />
+  </op-content-loader>
+</ng-template>
diff --git a/frontend/src/app/shared/components/project-include/project-include.component.sass b/frontend/src/app/shared/components/project-include/project-include.component.sass
index 76ef2cdaa4..d5a7d67bf4 100644
--- a/frontend/src/app/shared/components/project-include/project-include.component.sass
+++ b/frontend/src/app/shared/components/project-include/project-include.component.sass
@@ -1,21 +1,34 @@
 @import '../../../spot/styles/sass/variables'
-@import '../../../spot/styles/sass/typography'
 
 \::ng-deep .spot-drop-modal--body
-  width: 460px
-  max-width: 100vw
+
+  @media screen and #{$spot-mq-drop-modal-in-context}
+    width: 460px
 
 .op-project-include
   &--header
     display: flex
     justify-content: space-between
     align-items: center
-    margin: $spot-spacing-0_5
+    margin: $spot-spacing-1
 
   &--title
     margin: 0
     padding: 0
     @include spot-subheader-big 
 
+  &--body
+    flex-shrink: 1
+    flex-basis: 100%
+    overflow: hidden
+
+    @media screen and #{$spot-mq-drop-modal-in-context}
+      max-height: 70vh
+
+  &--list
+    overflow-y: auto
+    flex-shrink: 1
+    flex-basis: 100%
+
   &--loading
-    padding: 0 15px 0 15px
+    padding: 0 $spot-spacing-1 0 $spot-spacing-1
diff --git a/frontend/src/app/shared/components/project-include/project-include.component.ts b/frontend/src/app/shared/components/project-include/project-include.component.ts
index aec497119b..732ec9caa0 100644
--- a/frontend/src/app/shared/components/project-include/project-include.component.ts
+++ b/frontend/src/app/shared/components/project-include/project-include.component.ts
@@ -4,15 +4,7 @@ import {
   Component,
   HostBinding,
 } from '@angular/core';
-import { ProjectsResourceService } from 'core-app/core/state/projects/projects.service';
-import {
-  ApiV3ListFilter,
-  ApiV3ListParameters,
-} from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
-import { HalResource } from 'core-app/features/hal/resources/hal-resource';
-import { WorkPackageViewFiltersService } from 'core-app/features/work-packages/routing/wp-view-base/view-services/wp-view-filters.service';
-import { QueryFilterInstanceResource } from 'core-app/features/hal/resources/query-filter-instance-resource';
-import { UntilDestroyedMixin } from 'core-app/shared/helpers/angular/until-destroyed.mixin';
+import { HttpClient } from '@angular/common/http';
 import {
   BehaviorSubject,
   combineLatest,
@@ -25,13 +17,27 @@ import {
   skip,
   take,
 } from 'rxjs/operators';
-import { IProjectData } from './project-data';
-import { insertInList } from './insert-in-list';
-import { recursiveSort } from './recursive-sort';
+
+import { ApiV3Service } from 'core-app/core/apiv3/api-v3.service';
+import {
+  ApiV3ListFilter,
+  ApiV3ListParameters,
+  listParamsString,
+} from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
+import { HalResource } from 'core-app/features/hal/resources/hal-resource';
+import { WorkPackageViewFiltersService } from 'core-app/features/work-packages/routing/wp-view-base/view-services/wp-view-filters.service';
+import { QueryFilterInstanceResource } from 'core-app/features/hal/resources/query-filter-instance-resource';
+import { UntilDestroyedMixin } from 'core-app/shared/helpers/angular/until-destroyed.mixin';
+import { IHALCollection } from 'core-app/core/apiv3/types/hal-collection.type';
 import { HalResourceService } from 'core-app/features/hal/services/hal-resource.service';
 import { CurrentProjectService } from 'core-app/core/current-project/current-project.service';
 import { IProject } from 'core-app/core/state/projects/project.model';
 
+import { IProjectData } from './project-data';
+import { insertInList } from './insert-in-list';
+import { recursiveSort } from './recursive-sort';
+import { getPaginatedResults } from 'core-app/core/apiv3/helpers/get-paginated-results';
+
 @Component({
   selector: 'op-project-include',
   changeDetection: ChangeDetectionStrategy.OnPush,
@@ -118,7 +124,7 @@ export class OpProjectIncludeComponent extends UntilDestroyedMixin {
 
   public numberOfProjectsInFilter$ = this.projectsInFilter$.pipe(map((selected) => selected.length));
 
-  public allProjects$ = this.projectsResourceService.query.selectAll();
+  public allProjects$ = new BehaviorSubject<IProject[]>([]);
 
   public projects$ = combineLatest([
     this.allProjects$,
@@ -180,12 +186,26 @@ export class OpProjectIncludeComponent extends UntilDestroyedMixin {
       ]);
     }
 
-    return { filters, pageSize: -1 };
+    return {
+      filters,
+      pageSize: -1,
+      select: [
+        'elements/id',
+        'elements/identifier',
+        'elements/name',
+        'elements/self',
+        'elements/ancestors',
+        'total',
+        'count',
+        'pageSize',
+      ],
+    };
   }
 
   constructor(
+    readonly apiV3Service:ApiV3Service,
     readonly I18n:I18nService,
-    readonly projectsResourceService:ProjectsResourceService,
+    readonly http:HttpClient,
     readonly wpTableFilters:WorkPackageViewFiltersService,
     readonly halResourceService:HalResourceService,
     readonly currentProjectService:CurrentProjectService,
@@ -195,7 +215,7 @@ export class OpProjectIncludeComponent extends UntilDestroyedMixin {
 
   public toggleOpen():void {
     this.opened = !this.opened;
-    this.searchProjects();
+    this.loadAllProjects();
     this.projectsInFilter$
       .pipe(take(1))
       .subscribe((selectedProjects) => {
@@ -205,10 +225,16 @@ export class OpProjectIncludeComponent extends UntilDestroyedMixin {
       });
   }
 
-  public searchProjects():void {
-    this.projectsResourceService
-      .fetchProjects(this.params)
-      .subscribe();
+  public loadAllProjects():void {
+    getPaginatedResults<IProject>(
+      (params) => {
+        const collectionURL = listParamsString({ ...this.params, ...params });
+        return this.http.get<IHALCollection<IProject>>(this.apiV3Service.projects.path + collectionURL);
+      },
+    )
+      .subscribe((projects) => {
+        this.allProjects$.next(projects);
+      });
   }
 
   public clearSelection():void {
diff --git a/frontend/src/app/shared/components/project-include/project-list.component.html b/frontend/src/app/shared/components/project-include/project-list.component.html
index a1e697ccd8..59d5fa8a2b 100644
--- a/frontend/src/app/shared/components/project-include/project-list.component.html
+++ b/frontend/src/app/shared/components/project-include/project-list.component.html
@@ -2,16 +2,22 @@
   class="spot-list--item"
   *ngFor="let project of projects"
 >
-  <label class="spot-list--item-action op-project-list--item-action">
+  <label
+    class="spot-list--item-action op-project-list--item-action"
+    [ngClass]="{ 'spot-list--item-action_disabled': !project.found }"
+  >
     <spot-checkbox
       *ngFor="let checked of [isChecked(project.href)]"
       [checked]="checked"
       (change)="changeSelected(project.href)"
-      [disabled]="project.href === currentProjectHref"
+      [disabled]="!project.found || project.href === currentProjectHref"
       [attr.data-qa-project-include-id]="project.id"
       [attr.data-qa-project-include-checked]="checked ? 1 : 0"
     ></spot-checkbox>
-    <div class="spot-list--item-title">{{ project.name }}</div>
+    <div
+      class="spot-list--item-title"
+      [opSearchHighlight]="query" 
+    >{{ project.name }}</div>
   </label>
 
   <ul
@@ -19,6 +25,7 @@
     op-project-list
     [projects]="project.children"
     [selected]="selected"
+    [query]="query"
     (update)="updateSelected($event)"
   ></ul>
 </li>
diff --git a/frontend/src/app/shared/components/project-include/project-list.component.ts b/frontend/src/app/shared/components/project-include/project-list.component.ts
index 8c9d281ac8..7ac3155370 100644
--- a/frontend/src/app/shared/components/project-include/project-list.component.ts
+++ b/frontend/src/app/shared/components/project-include/project-list.component.ts
@@ -27,6 +27,8 @@ export class OpProjectListComponent {
 
   @Input() selected:string[] = [];
 
+  @Input() query = '';
+
   public get currentProjectHref():string|null {
     return this.currentProjectService.apiv3Path;
   }
diff --git a/frontend/src/app/shared/components/toaster/toast.component.html b/frontend/src/app/shared/components/toaster/toast.component.html
index 18029b025b..e73c8c6912 100644
--- a/frontend/src/app/shared/components/toaster/toast.component.html
+++ b/frontend/src/app/shared/components/toaster/toast.component.html
@@ -1,6 +1,19 @@
 <div class="op-toast -{{ type }}" tabindex="0">
   <div class="op-toast--content" role="alert" aria-atomic="true">
-    <p>
+    <ng-container *ngIf="type === 'loading'">
+      <div
+        *ngIf="(loading$ | async)"
+        class="loading-indicator -small"
+      >
+        <div class="block-1"></div>
+        <div class="block-2"></div>
+        <div class="block-3"></div>
+        <div class="block-4"></div>
+        <div class="block-5"></div>
+      </div>
+      <p [textContent]="toast.message"></p>
+    </ng-container>
+    <p *ngIf="type !== 'loading'">
       <span [textContent]="toast.message"></span>
       <span [textContent]="' '"></span>
       <a class="op-toast--target-link"
@@ -11,7 +24,7 @@
     </p>
     <div [ngSwitch]="type">
       <div *ngSwitchCase="'upload'">
-        <div *ngIf="canBeHidden()">
+        <div *ngIf="canBeHidden">
           <a (click)="show = true" [hidden]="show">
             <op-icon icon-classes="icon-arrow-right2"></op-icon>
           </a>
@@ -20,13 +33,13 @@
           </a>
           <span [textContent]="uploadText"></span>
         </div>
-        <div [ngClass]="{ '-hidden': !show && canBeHidden() }">
+        <div [ngClass]="{ '-hidden': !show && canBeHidden }">
           <ul class="op-toast--uploads" *ngIf="data && data.length > 0">
             <op-toasters-upload-progress
-                *ngFor="let upload of data"
-                [upload]="upload"
-                (onSuccess)="onUploadSuccess()"
-                (onError)="onUploadError($event)">
+              *ngFor="let upload of data"
+              [upload]="upload"
+              (onSuccess)="onUploadSuccess()"
+              (onError)="remove()">
             </op-toasters-upload-progress>
           </ul>
         </div>
@@ -38,14 +51,13 @@
         </ul>
       </div>
     </div>
-  </div>
-  <button
-      *ngIf="removable()"
+    <button
+      *ngIf="removable"
       type="button"
       class="op-link op-toast--close"
       [title]="text.close_popup"
       (click)="remove()"
-  >
-    <op-icon icon-classes="icon-context icon-close icon-no-color"></op-icon>
-  </button>
-</div>
+    >
+      <op-icon icon-classes="icon-context icon-close icon-no-color"></op-icon>
+    </button>
+  </div>
diff --git a/frontend/src/app/shared/components/toaster/toast.component.ts b/frontend/src/app/shared/components/toaster/toast.component.ts
index a1426e3e9f..5e0983e2ba 100644
--- a/frontend/src/app/shared/components/toaster/toast.component.ts
+++ b/frontend/src/app/shared/components/toaster/toast.component.ts
@@ -27,7 +27,10 @@
 //++
 
 import {
-  ChangeDetectionStrategy, Component, Input, OnInit,
+  ChangeDetectionStrategy,
+  Component,
+  Input,
+  OnInit,
 } from '@angular/core';
 import { I18nService } from 'core-app/core/i18n/i18n.service';
 import {
@@ -35,6 +38,16 @@ import {
   ToastService,
   ToastType,
 } from './toast.service';
+import { UploadInProgress } from 'core-app/core/file-upload/op-file-upload.service';
+import {
+  BehaviorSubject,
+  Observable,
+} from 'rxjs';
+import {
+  finalize,
+  timeout,
+} from 'rxjs/operators';
+import { take } from 'rxjs/internal/operators/take';
 
 @Component({
   templateUrl: './toast.component.html',
@@ -54,27 +67,48 @@ export class ToastComponent implements OnInit {
 
   public show = false;
 
+  public canBeHidden = false;
+
+  public removable = true;
+
+  public loading$ = new BehaviorSubject<boolean>(false);
+
   constructor(readonly I18n:I18nService,
     readonly toastService:ToastService) {
   }
 
-  ngOnInit() {
+  ngOnInit():void {
     this.type = this.toast.type;
-  }
 
-  public get data() {
-    return this.toast.data;
-  }
+    this.removable = !['upload', 'loading'].includes(this.type);
+
+    if (this.type === 'upload') {
+      const data = this.data as UploadInProgress[];
+      this.removable = false;
+      this.canBeHidden = data && data.length > 5;
+    }
 
-  public canBeHidden() {
-    return this.data && this.data.length > 5;
+    if (this.type === 'loading') {
+      this.removable = false;
+      this.loading$.next(true);
+      (this.data as Observable<unknown>)
+        .pipe(
+          take(1),
+          timeout(20000),
+          finalize(() => {
+            this.loading$.next(false);
+            this.remove();
+          }),
+        )
+        .subscribe();
+    }
   }
 
-  public removable() {
-    return this.toast.type !== 'upload';
+  public get data():unknown {
+    return this.toast.data;
   }
 
-  public remove() {
+  public remove():void {
     this.toastService.remove(this.toast);
   }
 
@@ -82,23 +116,19 @@ export class ToastComponent implements OnInit {
    * Execute the link callback from content.link.target
    * and close this toaster.
    */
-  public executeTarget() {
+  public executeTarget():void {
     if (this.toast.link) {
       this.toast.link.target();
       this.remove();
     }
   }
 
-  public onUploadError(message:string) {
-    this.remove();
-  }
-
-  public onUploadSuccess() {
+  public onUploadSuccess():void {
     this.uploadCount += 1;
   }
 
-  public get uploadText() {
+  public get uploadText():string {
     return this.I18n.t('js.label_upload_counter',
-      { done: this.uploadCount, count: this.data.length });
+      { done: this.uploadCount, count: (this.data as UploadInProgress[]).length });
   }
 }
diff --git a/frontend/src/app/shared/components/toaster/toast.service.ts b/frontend/src/app/shared/components/toaster/toast.service.ts
index 7d81493437..2991546676 100644
--- a/frontend/src/app/shared/components/toaster/toast.service.ts
+++ b/frontend/src/app/shared/components/toaster/toast.service.ts
@@ -38,19 +38,21 @@ import {
   IHalMultipleError,
 } from 'core-app/features/hal/resources/error-resource';
 import { HttpErrorResponse } from '@angular/common/http';
+import { Observable } from 'rxjs';
+import { I18nService } from 'core-app/core/i18n/i18n.service';
 
 export function removeSuccessFlashMessages() {
   jQuery('.flash.notice').remove();
 }
 
-export type ToastType = 'success'|'error'|'warning'|'info'|'upload';
+export type ToastType = 'success'|'error'|'warning'|'info'|'upload'|'loading';
 export const OPToastEvent = 'op:toasters:add';
 
 export interface IToast {
   message:string;
   link?:{ text:string, target:Function };
   type:ToastType;
-  data?:any;
+  data?:unknown;
 }
 
 @Injectable({ providedIn: 'root' })
@@ -58,7 +60,10 @@ export class ToastService {
   // The current stack of toasters
   private stack = input<IToast[]>([]);
 
-  constructor(readonly configurationService:ConfigurationService) {
+  constructor(
+    readonly configurationService:ConfigurationService,
+    readonly I18n:I18nService,
+  ) {
     jQuery(window)
       .on(OPToastEvent,
         (event:JQuery.TriggeredEvent, toast:IToast) => {
@@ -79,7 +84,7 @@ export class ToastService {
 
     this.stack.doModify((current) => {
       const nextValue = [toast].concat(current);
-      _.remove(nextValue, (n, i) => i > 0 && (n.type === 'success' || n.type === 'error'));
+      _.remove(nextValue, (n, i) => i > 0 && this.removeOnAdd(n));
       return nextValue;
     });
 
@@ -91,6 +96,10 @@ export class ToastService {
     return toast;
   }
 
+  private removeOnAdd(toast:IToast):boolean {
+    return ['success', 'error', 'loading'].includes(toast.type);
+  }
+
   public addError(obj:HttpErrorResponse|IToast|string, additionalErrors:unknown[]|string = []):IToast {
     let message:IToast|string;
     let errors:string[];
@@ -133,6 +142,10 @@ export class ToastService {
     return this.add(this.createAttachmentUploadToast(message, uploads));
   }
 
+  public addLoading(observable:Observable<unknown>):IToast {
+    return this.add(this.createLoadingToast(this.I18n.t('js.ajax.updating'), observable));
+  }
+
   public remove(toast:IToast):void {
     this.stack.doModify((current) => {
       _.remove(current, (n) => n === toast);
@@ -163,4 +176,11 @@ export class ToastService {
 
     return toast;
   }
+
+  private createLoadingToast(message:IToast|string, observable:Observable<unknown>) {
+    const toast = this.createToast(message, 'loading');
+    toast.data = observable;
+
+    return toast;
+  }
 }
diff --git a/frontend/src/app/shared/directives/search-highlight.directive.sass b/frontend/src/app/shared/directives/search-highlight.directive.sass
new file mode 100644
index 0000000000..9bcfa217ee
--- /dev/null
+++ b/frontend/src/app/shared/directives/search-highlight.directive.sass
@@ -0,0 +1,2 @@
+.op-search-highlight
+  color: $spot-color-main
diff --git a/frontend/src/app/shared/directives/search-highlight.directive.ts b/frontend/src/app/shared/directives/search-highlight.directive.ts
new file mode 100644
index 0000000000..2e5d558a41
--- /dev/null
+++ b/frontend/src/app/shared/directives/search-highlight.directive.ts
@@ -0,0 +1,43 @@
+import {
+  AfterViewChecked,
+  Directive,
+  ElementRef,
+  Input,
+} from '@angular/core';
+
+@Directive({
+  selector: '[opSearchHighlight]',
+})
+export class OpSearchHighlightDirective implements AfterViewChecked {
+  @Input('opSearchHighlight') public query = '';
+
+  constructor(readonly elementRef:ElementRef) { }
+
+  ngAfterViewChecked():void {
+    if (!this.query) {
+      return;
+    }
+
+    const el = this.elementRef.nativeElement as HTMLElement;
+
+    const textNode = Array.from(el.childNodes).find((n:Node) => n.nodeType === n.TEXT_NODE) as Node;
+    const content = textNode?.textContent || '';
+    if (!content) {
+      return;
+    }
+
+    const query = this.query.toLowerCase();
+    const startIndex = content.toLowerCase().indexOf(query);
+    if (startIndex < 0) {
+      return;
+    }
+
+    const start = content.slice(0, startIndex);
+    const result = content.slice(startIndex, startIndex + query.length);
+    const end = content.slice(startIndex + query.length);
+
+    const newNode = document.createElement('span');
+    newNode.innerHTML = `${start}<span class="op-search-highlight">${result}</span>${end}`;
+    el.replaceChild(newNode, textNode);
+  }
+}
diff --git a/frontend/src/app/shared/shared.module.ts b/frontend/src/app/shared/shared.module.ts
index e1942dfe78..3df8081c7d 100644
--- a/frontend/src/app/shared/shared.module.ts
+++ b/frontend/src/app/shared/shared.module.ts
@@ -64,6 +64,7 @@ import {
   highlightColSelector,
   OpHighlightColDirective,
 } from './directives/highlight-col/highlight-col.directive';
+import { OpSearchHighlightDirective } from './directives/search-highlight.directive';
 
 import { CopyToClipboardDirective } from './components/copy-to-clipboard/copy-to-clipboard.directive';
 import { OpDateTimeComponent } from './components/date/op-date-time.component';
@@ -168,6 +169,8 @@ export function bootstrapModule(injector:Injector) {
     // Table highlight
     OpHighlightColDirective,
 
+    OpSearchHighlightDirective,
+
     ResizerComponent,
 
     TablePaginationComponent,
@@ -230,6 +233,8 @@ export function bootstrapModule(injector:Injector) {
     TablePaginationComponent,
     SortHeaderDirective,
 
+    OpSearchHighlightDirective,
+
     // Zen mode button
     ZenModeButtonComponent,
 
diff --git a/frontend/src/app/spot/components/checkbox.component.html b/frontend/src/app/spot/components/checkbox/checkbox.component.html
similarity index 100%
rename from frontend/src/app/spot/components/checkbox.component.html
rename to frontend/src/app/spot/components/checkbox/checkbox.component.html
diff --git a/frontend/src/app/spot/components/checkbox.component.ts b/frontend/src/app/spot/components/checkbox/checkbox.component.ts
similarity index 71%
rename from frontend/src/app/spot/components/checkbox.component.ts
rename to frontend/src/app/spot/components/checkbox/checkbox.component.ts
index f9a06c00cf..c7765cfd97 100644
--- a/frontend/src/app/spot/components/checkbox.component.ts
+++ b/frontend/src/app/spot/components/checkbox/checkbox.component.ts
@@ -2,13 +2,16 @@ import {
   Component,
   ElementRef,
   EventEmitter,
-  ViewChild,
   forwardRef,
   HostBinding,
   Input,
   Output,
+  ViewChild,
 } from '@angular/core';
-import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
+import {
+  ControlValueAccessor,
+  NG_VALUE_ACCESSOR,
+} from '@angular/forms';
 
 export type SpotCheckboxState = true|false|null;
 
@@ -34,36 +37,37 @@ export class SpotCheckboxComponent implements ControlValueAccessor {
 
   @Input() public checked = false;
 
-  onStateChange() {
-    const value = this.input.nativeElement.checked;
+  onStateChange():void {
+    const value = (this.input.nativeElement as HTMLInputElement).checked;
     this.checkedChange.emit(value);
     this.onChange(value);
     this.onTouched(value);
   }
 
-  writeValue(value:SpotCheckboxState) {
+  writeValue(value:SpotCheckboxState):void {
     // This is set in a timeout because the initial value is set before the template is ready,
     // which causes the input nativeElement to not be available yet.
     setTimeout(() => {
-      const input = this.input.nativeElement;
+      const input = this.input.nativeElement as HTMLInputElement;
       if (value === null) {
         input.indeterminate = true;
       } else {
         input.indeterminate = false;
       }
-      
+
       this.checked = !!value;
     });
   }
 
-  onChange = (_:SpotCheckboxState) => {};
-  onTouched = (_:SpotCheckboxState) => {};
+  onChange = (_:SpotCheckboxState):void => {};
+
+  onTouched = (_:SpotCheckboxState):void => {};
 
-  registerOnChange(fn:any) {
+  registerOnChange(fn:(_:SpotCheckboxState) => void):void {
     this.onChange = fn;
   }
 
-  registerOnTouched(fn:any) {
+  registerOnTouched(fn:(_:SpotCheckboxState) => void):void {
     this.onTouched = fn;
   }
 }
diff --git a/frontend/src/app/spot/components/chip-field.component.html b/frontend/src/app/spot/components/chip-field/chip-field.component.html
similarity index 100%
rename from frontend/src/app/spot/components/chip-field.component.html
rename to frontend/src/app/spot/components/chip-field/chip-field.component.html
diff --git a/frontend/src/app/spot/components/chip-field.component.ts b/frontend/src/app/spot/components/chip-field/chip-field.component.ts
similarity index 80%
rename from frontend/src/app/spot/components/chip-field.component.ts
rename to frontend/src/app/spot/components/chip-field/chip-field.component.ts
index d3b5fb5639..758234a20c 100644
--- a/frontend/src/app/spot/components/chip-field.component.ts
+++ b/frontend/src/app/spot/components/chip-field/chip-field.component.ts
@@ -20,6 +20,7 @@ import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
 })
 export class SpotChipFieldComponent implements ControlValueAccessor {
   @HostBinding('class.spot-chip-field') public classNameChipField = true;
+
   @HostBinding('class.spot-text-field') public classNameTextField = true;
 
   @HostListener('click') public onParentClick() {
@@ -29,27 +30,30 @@ export class SpotChipFieldComponent implements ControlValueAccessor {
   @ViewChild('input') public input:ElementRef;
 
   @Input() name = `spot-chip-field-${+(new Date())}`;
+
   @Input() disabled = false;
+
   @Input() public placeholder = '';
+
   @Input('value') public _value:string[] = [];
 
-  public textValue = '';
+  textValue = '';
 
-  public get value():string[] {
+  get value():string[] {
     return this._value;
   }
 
-  public set value(value:string[]) {
+  set value(value:string[]) {
     this._value = value;
     this.onChange(value);
     this.onTouched(value);
   }
 
-  public remove(i:number) {
+  remove(i:number):void {
     this.value = this.value.slice(0, i).concat(this.value.slice(i + 1));
   }
 
-  public onBackspace(e:KeyboardEvent) {
+  onBackspace(e:KeyboardEvent):void {
     if (this.textValue !== '') {
       return;
     }
@@ -59,7 +63,7 @@ export class SpotChipFieldComponent implements ControlValueAccessor {
     this.value = this.value.slice(0, this.value.length - 1);
   }
 
-  public onEnter(e:KeyboardEvent) {
+  onEnter(e:KeyboardEvent):void {
     e.stopPropagation();
 
     if (this.textValue === '') {
@@ -76,19 +80,19 @@ export class SpotChipFieldComponent implements ControlValueAccessor {
     this.textValue = '';
   }
 
-  writeValue(value:string[]) {
+  writeValue(value:string[]):void {
     this.value = value;
   }
 
-  onChange = (_:string[]) => {};
-  onTouched = (_:string[]) => {};
+  onChange = (_:string[]):void => {};
+
+  onTouched = (_:string[]):void => {};
 
-  registerOnChange(fn:any) {
+  registerOnChange(fn:(_:string[]) => void):void {
     this.onChange = fn;
   }
 
-  registerOnTouched(fn:any) {
+  registerOnTouched(fn:(_:string[]) => void):void {
     this.onTouched = fn;
   }
 }
-
diff --git a/frontend/src/app/spot/components/drop-modal.component.html b/frontend/src/app/spot/components/drop-modal.component.html
deleted file mode 100644
index 648360d287..0000000000
--- a/frontend/src/app/spot/components/drop-modal.component.html
+++ /dev/null
@@ -1,8 +0,0 @@
-<ng-content select="[slot=trigger]"></ng-content>
-<div
-  [ngClass]="['spot-drop-modal--body', 'spot-body', alignmentClass]"
-  (click)="onBodyClick($event)"
-  (keypress.escape)="close()"
->
-  <ng-content select="[slot=body]"></ng-content>
-</div>
diff --git a/frontend/src/app/spot/components/drop-modal/drop-modal.component.html b/frontend/src/app/spot/components/drop-modal/drop-modal.component.html
new file mode 100644
index 0000000000..4e6994f7bd
--- /dev/null
+++ b/frontend/src/app/spot/components/drop-modal/drop-modal.component.html
@@ -0,0 +1,17 @@
+<ng-content select="[slot=trigger]"></ng-content>
+<div
+  [ngClass]="['spot-drop-modal--body', 'spot-body', alignmentClass]"
+  (click)="onBodyClick($event)"
+  cdkTrapFocus
+>
+  <ng-content select="[slot=body]"></ng-content>
+
+  <button
+    class="spot-drop-modal--close-button spot-button"
+    type="button"
+    [attr.aria-label]="text.close"
+    (click)="close()"
+  >
+    <span class="spot-icon spot-icon_close"></span>
+  </button>
+</div>
diff --git a/frontend/src/app/spot/components/drop-modal.component.ts b/frontend/src/app/spot/components/drop-modal/drop-modal.component.ts
similarity index 61%
rename from frontend/src/app/spot/components/drop-modal.component.ts
rename to frontend/src/app/spot/components/drop-modal/drop-modal.component.ts
index de075db1e7..b6d05dd627 100644
--- a/frontend/src/app/spot/components/drop-modal.component.ts
+++ b/frontend/src/app/spot/components/drop-modal/drop-modal.component.ts
@@ -6,6 +6,8 @@ import {
   EventEmitter,
   OnDestroy,
 } from '@angular/core';
+import { KeyCodes } from 'core-app/shared/helpers/keyCodes.enum';
+import { I18nService } from 'core-app/core/i18n/i18n.service';
 
 enum SpotDropModalAlignmentOption {
   BottomCenter = 'bottom-center',
@@ -25,8 +27,12 @@ export class SpotDropModalComponent implements OnDestroy {
 
   @HostBinding('class.spot-drop-modal_opened') public _open = false;
 
+  @Output() closed = new EventEmitter<void>();
+
+  @Input() public alignment:SpotDropModalAlignmentOption = SpotDropModalAlignmentOption.BottomLeft;
+
   @Input('open')
-  public set open(value:boolean) {
+  set open(value:boolean) {
     this._open = value;
 
     if (this._open) {
@@ -36,39 +42,51 @@ export class SpotDropModalComponent implements OnDestroy {
        */
       setTimeout(() => {
         document.body.addEventListener('click', this.closeEventListener);
-      })
+        document.body.addEventListener('keydown', this.escapeListener);
+      });
     } else {
       document.body.removeEventListener('click', this.closeEventListener);
+      document.body.removeEventListener('click', this.escapeListener);
       this.closed.emit();
     }
   }
 
-  public get open():boolean {
+  get open():boolean {
     return this._open;
   }
 
-  @Input('alignment') public alignment:SpotDropModalAlignmentOption = SpotDropModalAlignmentOption.BottomCenter;
-
-  get alignmentClass() {
+  get alignmentClass():string {
     return `spot-drop-modal--body_${this.alignment}`;
   }
 
-  @Output() closed = new EventEmitter<void>();
+  public text = {
+    close: this.i18n.t('js.spot.drop_modal.close'),
+  };
 
-  private closeEventListener = this.close.bind(this);
+  constructor(readonly i18n:I18nService) {}
 
-  public close():void {
+  close():void {
     this.open = false;
   }
 
-  public onBodyClick(e:MouseEvent) {
+  onBodyClick(e:MouseEvent):void {
     // We stop propagation here so that clicks inside the body do not
     // close the modal when the event reaches the document body
     e.stopPropagation();
   }
 
-  public ngOnDestroy():void {
+  ngOnDestroy():void {
     document.body.removeEventListener('click', this.closeEventListener);
+    document.body.removeEventListener('click', this.escapeListener);
   }
-}
 
+  private closeEventListener = this.close.bind(this) as () => void;
+
+  private onEscape = (evt:KeyboardEvent) => {
+    if (evt.keyCode === KeyCodes.ESCAPE) {
+      this.close();
+    }
+  };
+
+  private escapeListener = this.onEscape.bind(this) as () => void;
+}
diff --git a/frontend/src/app/spot/components/filter-chip.component.html b/frontend/src/app/spot/components/filter-chip.component.html
deleted file mode 100644
index 888b0f12a9..0000000000
--- a/frontend/src/app/spot/components/filter-chip.component.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<button
-  *ngIf="removable"
-  class="spot-filter-chip--remove"
-  type="button"
-  (click)="remove.emit()"
->x</button>
-<div class="spot-filter-chip--title">{{ title }}</div>
diff --git a/frontend/src/app/spot/components/filter-chip/filter-chip.component.html b/frontend/src/app/spot/components/filter-chip/filter-chip.component.html
new file mode 100644
index 0000000000..73e6c09a3f
--- /dev/null
+++ b/frontend/src/app/spot/components/filter-chip/filter-chip.component.html
@@ -0,0 +1,16 @@
+<button
+  *ngIf="removable"
+  class="spot-filter-chip--remove"
+  type="button"
+  (click)="remove.emit()"
+  [attr.aria-label]="text.remove"
+>
+  <span class="spot-icon spot-icon_close"></span>
+</button>
+<div class="spot-filter-chip--title">
+  <span
+    *ngIf="icon"
+    [ngClass]="iconClasses"
+  ></span>
+  {{ title }}
+</div>
diff --git a/frontend/src/app/spot/components/filter-chip.component.ts b/frontend/src/app/spot/components/filter-chip/filter-chip.component.ts
similarity index 55%
rename from frontend/src/app/spot/components/filter-chip.component.ts
rename to frontend/src/app/spot/components/filter-chip/filter-chip.component.ts
index 87d0d804f0..3fabaf1089 100644
--- a/frontend/src/app/spot/components/filter-chip.component.ts
+++ b/frontend/src/app/spot/components/filter-chip/filter-chip.component.ts
@@ -5,6 +5,7 @@ import {
   Input,
   Output,
 } from '@angular/core';
+import { I18nService } from 'core-app/core/i18n/i18n.service';
 
 @Component({
   selector: 'spot-filter-chip',
@@ -14,7 +15,23 @@ export class SpotFilterChipComponent {
   @HostBinding('class.spot-filter-chip') public className = true;
 
   @Input() removable = true;
+
   @Input() title = '';
 
+  @Input() icon = '';
+
   @Output() remove = new EventEmitter<void>();
+
+  public text = {
+    remove: this.i18n.t('js.spot.filter_chip.remove'),
+  };
+
+  public get iconClasses():string[] {
+    return [
+      'spot-icon',
+      `spot-icon_${this.icon}`,
+    ];
+  }
+
+  constructor(readonly i18n:I18nService) {}
 }
diff --git a/frontend/src/app/spot/components/text-field.component.html b/frontend/src/app/spot/components/text-field/text-field.component.html
similarity index 56%
rename from frontend/src/app/spot/components/text-field.component.html
rename to frontend/src/app/spot/components/text-field/text-field.component.html
index de50e6a4ff..8584e144b7 100644
--- a/frontend/src/app/spot/components/text-field.component.html
+++ b/frontend/src/app/spot/components/text-field/text-field.component.html
@@ -7,4 +7,12 @@
   [(ngModel)]="value"
   #input
 />
+<button
+  *ngIf="showClearButton && value !== ''"
+  (click)="value = ''"
+  type="button"
+  class="spot-text-field--clear-button"
+>
+  <span class="spot-icon spot-icon_close"></span>
+</button>
 <ng-content select="[slot=after]"></ng-content>
diff --git a/frontend/src/app/spot/components/text-field.component.ts b/frontend/src/app/spot/components/text-field/text-field.component.ts
similarity index 80%
rename from frontend/src/app/spot/components/text-field.component.ts
rename to frontend/src/app/spot/components/text-field/text-field.component.ts
index 8b56078abe..afa134f798 100644
--- a/frontend/src/app/spot/components/text-field.component.ts
+++ b/frontend/src/app/spot/components/text-field/text-field.component.ts
@@ -28,15 +28,20 @@ export class SpotTextFieldComponent implements ControlValueAccessor {
   @ViewChild('input') public input:ElementRef;
 
   @Input() name = `spot-text-field-${+(new Date())}`;
+
   @Input() disabled = false;
+
+  @Input() showClearButton = true;
+
   @Input() public placeholder = '';
+
   @Input('value') public _value = '';
 
-  public get value():string {
+  get value():string {
     return this._value;
   }
 
-  public set value(value:string) {
+  set value(value:string) {
     this._value = value;
     this.onChange(value);
     this.onTouched(value);
@@ -46,15 +51,15 @@ export class SpotTextFieldComponent implements ControlValueAccessor {
     this.value = value;
   }
 
-  onChange = (_:string) => {};
-  onTouched = (_:string) => {};
+  onChange = (_:string):void => {};
+
+  onTouched = (_:string):void => {};
 
-  registerOnChange(fn:any) {
+  registerOnChange(fn:(_:string) => void):void {
     this.onChange = fn;
   }
 
-  registerOnTouched(fn:any) {
+  registerOnTouched(fn:(_:string) => void):void {
     this.onTouched = fn;
   }
 }
-
diff --git a/frontend/src/app/spot/components/toggle.component.html b/frontend/src/app/spot/components/toggle/toggle.component.html
similarity index 100%
rename from frontend/src/app/spot/components/toggle.component.html
rename to frontend/src/app/spot/components/toggle/toggle.component.html
diff --git a/frontend/src/app/spot/components/toggle.component.ts b/frontend/src/app/spot/components/toggle/toggle.component.ts
similarity index 85%
rename from frontend/src/app/spot/components/toggle.component.ts
rename to frontend/src/app/spot/components/toggle/toggle.component.ts
index 3c8eeacd14..38823f76f3 100644
--- a/frontend/src/app/spot/components/toggle.component.ts
+++ b/frontend/src/app/spot/components/toggle/toggle.component.ts
@@ -28,7 +28,9 @@ export class SpotToggleComponent<T> implements ControlValueAccessor {
   @Output() checkedChange = new EventEmitter<boolean>();
 
   @Input() options:SpotToggleOption<T>[] = [];
+
   @Input() name = `spot-toggle-${+(new Date())}`;
+
   @Input('value') public _value:T;
 
   public get value():T {
@@ -41,19 +43,19 @@ export class SpotToggleComponent<T> implements ControlValueAccessor {
     this.onTouched(value);
   }
 
-  writeValue(value:T) {
+  writeValue(value:T):void {
     this.value = value;
   }
 
-  onChange = (_:T) => {};
-  onTouched = (_:T) => {};
+  onChange = (_:T):void => {};
 
-  registerOnChange(fn:any) {
+  onTouched = (_:T):void => {};
+
+  registerOnChange(fn:(_:T) => void):void {
     this.onChange = fn;
   }
 
-  registerOnTouched(fn:any) {
+  registerOnTouched(fn:(_:T) => void):void {
     this.onTouched = fn;
   }
 }
-
diff --git a/vendor/openproject-icon-font/LICENSE.md b/frontend/src/app/spot/icon-font/LICENSE.md
similarity index 100%
rename from vendor/openproject-icon-font/LICENSE.md
rename to frontend/src/app/spot/icon-font/LICENSE.md
diff --git a/vendor/openproject-icon-font/README.md b/frontend/src/app/spot/icon-font/README.md
similarity index 69%
rename from vendor/openproject-icon-font/README.md
rename to frontend/src/app/spot/icon-font/README.md
index 573bc7fa24..2d39a5ba80 100644
--- a/vendor/openproject-icon-font/README.md
+++ b/frontend/src/app/spot/icon-font/README.md
@@ -12,16 +12,14 @@ This license can also be found at this permalink: http://creativecommons.org/lic
 
 ## Structure
 
-This directory is the source for the generated icon font in the Rails `app/assets/font` directory.
+This directory is the source for the generated icon font in the Rails `frontend/src/global_styles/fonts` directory.
 Since it seldomly changes, it is only rebuilt manually and on demand.
 
 ## Rebuilding
 
-To rebuild the font (e.g., after changing icons in the source `app/assets/fonts/openproject_icon/src` directory), use the node script `generate.js`.
+To rebuild the font (e.g., after changing icons in the source `src/` directory under this README), use the node script `generate.js`.
 
 ```
-$ cd vendor/openproject-icon-font/
+$ cd frontend/src/app/spot/icon-font/
 $ node generate.js
-```
-
-To use, you need to install the webfonts generator package with: `npm install webfonts-generator`.
+```
\ No newline at end of file
diff --git a/frontend/src/app/spot/icon-font/generate.js b/frontend/src/app/spot/icon-font/generate.js
new file mode 100644
index 0000000000..e5008228d4
--- /dev/null
+++ b/frontend/src/app/spot/icon-font/generate.js
@@ -0,0 +1,57 @@
+#!/usr/bin/env node
+
+const webfontsGenerator = require('webfonts-generator');
+const path = require('path');
+const glob = require("glob")
+
+const TEMPLATE_DIR = path.resolve(process.argv[2]);
+const CSS_FONT_URL = "../../../../../frontend/src/assets/fonts/openproject_icon/";
+const FONT_DESTINATION = path.resolve(__dirname, '..', '..', '..', '..', '..', 'frontend', 'src', 'assets', 'fonts', 'openproject_icon');
+
+const files = glob.sync(path.join(TEMPLATE_DIR, 'src/*.svg'));
+
+webfontsGenerator({
+  files,
+  "fontName": "openproject-icon-font",
+  "cssFontsUrl": CSS_FONT_URL,
+  "dest": FONT_DESTINATION,
+  "cssDest": path.join(
+    path.resolve(__dirname, '..', 'styles', 'sass', 'common'),
+    'icon.sass',
+  ),
+  "cssTemplate": path.join(TEMPLATE_DIR, "icon.template.sass"),
+  "types": ['woff2', 'woff'],
+  "fixedWidth": true,
+  "descent": 100
+}, function(error) {
+  if (error) {
+    console.log('Failed to build icon font. ', error);
+  }
+});
+
+webfontsGenerator({
+  files,
+  "fontName": "openproject-icon-font",
+  "cssFontsUrl": CSS_FONT_URL,
+  "dest": FONT_DESTINATION,
+  "cssDest": path.join(
+    path.resolve(__dirname, '..', '..', '..', '..', '..', 'frontend', 'src', 'global_styles', 'fonts'),
+    '_openproject_icon_definitions.sass',
+  ),
+  "cssTemplate": path.join(TEMPLATE_DIR, "openproject-icon-font.template.sass"),
+  "classPrefix": "icon-",
+  "baseSelector": ".icon",
+  "html": true,
+  "htmlDest": path.join(
+    path.resolve(__dirname, '..', '..', '..', '..', '..', 'frontend', 'src', 'global_styles', 'fonts'),
+    '_openproject_icon_font.lsg',
+  ),
+  "htmlTemplate": path.join(TEMPLATE_DIR, "openproject-icon-font.template.lsg"),
+  "types": ['woff2', 'woff'],
+  "fixedWidth": true,
+  "descent": 100
+}, function(error) {
+  if (error) {
+    console.log('Failed to build icon font. ', error);
+  }
+});
diff --git a/frontend/src/app/spot/icon-font/icon.template.sass b/frontend/src/app/spot/icon-font/icon.template.sass
new file mode 100644
index 0000000000..215397f048
--- /dev/null
+++ b/frontend/src/app/spot/icon-font/icon.template.sass
@@ -0,0 +1,28 @@
+.spot-icon 
+  display: inline-flex
+  justify-content: center
+  align-items: center
+
+  &::before 
+    font-family: "openproject-icon-font"
+    font-style: normal
+    font-weight: normal
+    font-variant: normal
+    font-size: inherit
+    text-transform: none
+    text-decoration: none
+    display: block
+    speak: none
+    line-height: 1
+    -webkit-font-smoothing: antialiased
+    -moz-osx-font-smoothing: grayscale
+
+{{#each codepoints}}
+
+@mixin spot-icon-{{@key}} 
+  content: "\\{{this}}"
+
+.spot-icon_{{@key}}:before 
+  content: "\\{{this}}"
+
+{{/each}}
diff --git a/vendor/openproject-icon-font/openproject-icon-font.template.lsg b/frontend/src/app/spot/icon-font/openproject-icon-font.template.lsg
similarity index 100%
rename from vendor/openproject-icon-font/openproject-icon-font.template.lsg
rename to frontend/src/app/spot/icon-font/openproject-icon-font.template.lsg
diff --git a/frontend/src/app/spot/icon-font/openproject-icon-font.template.sass b/frontend/src/app/spot/icon-font/openproject-icon-font.template.sass
new file mode 100644
index 0000000000..775b21c168
--- /dev/null
+++ b/frontend/src/app/spot/icon-font/openproject-icon-font.template.sass
@@ -0,0 +1,9 @@
+{{#each codepoints}}
+
+@mixin icon-mixin-{{@key}} 
+  content: "\\{{this}}"
+
+.{{../classPrefix}}{{@key}}:before
+  content: "\\{{this}}"
+
+{{/each}}
diff --git a/vendor/openproject-icon-font/src/accessibility.svg b/frontend/src/app/spot/icon-font/src/accessibility.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/accessibility.svg
rename to frontend/src/app/spot/icon-font/src/accessibility.svg
diff --git a/vendor/openproject-icon-font/src/accountable.svg b/frontend/src/app/spot/icon-font/src/accountable.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/accountable.svg
rename to frontend/src/app/spot/icon-font/src/accountable.svg
diff --git a/vendor/openproject-icon-font/src/add.svg b/frontend/src/app/spot/icon-font/src/add.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/add.svg
rename to frontend/src/app/spot/icon-font/src/add.svg
diff --git a/vendor/openproject-icon-font/src/align-center.svg b/frontend/src/app/spot/icon-font/src/align-center.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/align-center.svg
rename to frontend/src/app/spot/icon-font/src/align-center.svg
diff --git a/vendor/openproject-icon-font/src/align-justify.svg b/frontend/src/app/spot/icon-font/src/align-justify.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/align-justify.svg
rename to frontend/src/app/spot/icon-font/src/align-justify.svg
diff --git a/vendor/openproject-icon-font/src/align-left.svg b/frontend/src/app/spot/icon-font/src/align-left.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/align-left.svg
rename to frontend/src/app/spot/icon-font/src/align-left.svg
diff --git a/vendor/openproject-icon-font/src/align-right.svg b/frontend/src/app/spot/icon-font/src/align-right.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/align-right.svg
rename to frontend/src/app/spot/icon-font/src/align-right.svg
diff --git a/vendor/openproject-icon-font/src/arrow-down1.svg b/frontend/src/app/spot/icon-font/src/arrow-down1.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-down1.svg
rename to frontend/src/app/spot/icon-font/src/arrow-down1.svg
diff --git a/vendor/openproject-icon-font/src/arrow-down2.svg b/frontend/src/app/spot/icon-font/src/arrow-down2.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-down2.svg
rename to frontend/src/app/spot/icon-font/src/arrow-down2.svg
diff --git a/vendor/openproject-icon-font/src/arrow-left-right.svg b/frontend/src/app/spot/icon-font/src/arrow-left-right.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-left-right.svg
rename to frontend/src/app/spot/icon-font/src/arrow-left-right.svg
diff --git a/vendor/openproject-icon-font/src/arrow-left1.svg b/frontend/src/app/spot/icon-font/src/arrow-left1.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-left1.svg
rename to frontend/src/app/spot/icon-font/src/arrow-left1.svg
diff --git a/vendor/openproject-icon-font/src/arrow-left2.svg b/frontend/src/app/spot/icon-font/src/arrow-left2.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-left2.svg
rename to frontend/src/app/spot/icon-font/src/arrow-left2.svg
diff --git a/vendor/openproject-icon-font/src/arrow-left3.svg b/frontend/src/app/spot/icon-font/src/arrow-left3.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-left3.svg
rename to frontend/src/app/spot/icon-font/src/arrow-left3.svg
diff --git a/vendor/openproject-icon-font/src/arrow-left4.svg b/frontend/src/app/spot/icon-font/src/arrow-left4.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-left4.svg
rename to frontend/src/app/spot/icon-font/src/arrow-left4.svg
diff --git a/vendor/openproject-icon-font/src/arrow-right2.svg b/frontend/src/app/spot/icon-font/src/arrow-right2.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-right2.svg
rename to frontend/src/app/spot/icon-font/src/arrow-right2.svg
diff --git a/vendor/openproject-icon-font/src/arrow-right3.svg b/frontend/src/app/spot/icon-font/src/arrow-right3.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-right3.svg
rename to frontend/src/app/spot/icon-font/src/arrow-right3.svg
diff --git a/vendor/openproject-icon-font/src/arrow-right4.svg b/frontend/src/app/spot/icon-font/src/arrow-right4.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-right4.svg
rename to frontend/src/app/spot/icon-font/src/arrow-right4.svg
diff --git a/vendor/openproject-icon-font/src/arrow-right5.svg b/frontend/src/app/spot/icon-font/src/arrow-right5.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-right5.svg
rename to frontend/src/app/spot/icon-font/src/arrow-right5.svg
diff --git a/vendor/openproject-icon-font/src/arrow-right6.svg b/frontend/src/app/spot/icon-font/src/arrow-right6.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-right6.svg
rename to frontend/src/app/spot/icon-font/src/arrow-right6.svg
diff --git a/vendor/openproject-icon-font/src/arrow-right7.svg b/frontend/src/app/spot/icon-font/src/arrow-right7.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-right7.svg
rename to frontend/src/app/spot/icon-font/src/arrow-right7.svg
diff --git a/vendor/openproject-icon-font/src/arrow-thin.svg b/frontend/src/app/spot/icon-font/src/arrow-thin.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-thin.svg
rename to frontend/src/app/spot/icon-font/src/arrow-thin.svg
diff --git a/vendor/openproject-icon-font/src/arrow-up1.svg b/frontend/src/app/spot/icon-font/src/arrow-up1.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-up1.svg
rename to frontend/src/app/spot/icon-font/src/arrow-up1.svg
diff --git a/vendor/openproject-icon-font/src/arrow-up2.svg b/frontend/src/app/spot/icon-font/src/arrow-up2.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/arrow-up2.svg
rename to frontend/src/app/spot/icon-font/src/arrow-up2.svg
diff --git a/vendor/openproject-icon-font/src/assigned-to-me.svg b/frontend/src/app/spot/icon-font/src/assigned-to-me.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/assigned-to-me.svg
rename to frontend/src/app/spot/icon-font/src/assigned-to-me.svg
diff --git a/vendor/openproject-icon-font/src/assigned.svg b/frontend/src/app/spot/icon-font/src/assigned.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/assigned.svg
rename to frontend/src/app/spot/icon-font/src/assigned.svg
diff --git a/vendor/openproject-icon-font/src/attachment.svg b/frontend/src/app/spot/icon-font/src/attachment.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/attachment.svg
rename to frontend/src/app/spot/icon-font/src/attachment.svg
diff --git a/vendor/openproject-icon-font/src/attention.svg b/frontend/src/app/spot/icon-font/src/attention.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/attention.svg
rename to frontend/src/app/spot/icon-font/src/attention.svg
diff --git a/vendor/openproject-icon-font/src/back-up.svg b/frontend/src/app/spot/icon-font/src/back-up.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/back-up.svg
rename to frontend/src/app/spot/icon-font/src/back-up.svg
diff --git a/vendor/openproject-icon-font/src/backlogs.svg b/frontend/src/app/spot/icon-font/src/backlogs.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/backlogs.svg
rename to frontend/src/app/spot/icon-font/src/backlogs.svg
diff --git a/vendor/openproject-icon-font/src/bcf.svg b/frontend/src/app/spot/icon-font/src/bcf.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/bcf.svg
rename to frontend/src/app/spot/icon-font/src/bcf.svg
diff --git a/vendor/openproject-icon-font/src/bell.svg b/frontend/src/app/spot/icon-font/src/bell.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/bell.svg
rename to frontend/src/app/spot/icon-font/src/bell.svg
diff --git a/vendor/openproject-icon-font/src/billing-information.svg b/frontend/src/app/spot/icon-font/src/billing-information.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/billing-information.svg
rename to frontend/src/app/spot/icon-font/src/billing-information.svg
diff --git a/vendor/openproject-icon-font/src/boards.svg b/frontend/src/app/spot/icon-font/src/boards.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/boards.svg
rename to frontend/src/app/spot/icon-font/src/boards.svg
diff --git a/vendor/openproject-icon-font/src/bold.svg b/frontend/src/app/spot/icon-font/src/bold.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/bold.svg
rename to frontend/src/app/spot/icon-font/src/bold.svg
diff --git a/vendor/openproject-icon-font/src/budget.svg b/frontend/src/app/spot/icon-font/src/budget.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/budget.svg
rename to frontend/src/app/spot/icon-font/src/budget.svg
diff --git a/vendor/openproject-icon-font/src/bug.svg b/frontend/src/app/spot/icon-font/src/bug.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/bug.svg
rename to frontend/src/app/spot/icon-font/src/bug.svg
diff --git a/vendor/openproject-icon-font/src/calendar.svg b/frontend/src/app/spot/icon-font/src/calendar.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/calendar.svg
rename to frontend/src/app/spot/icon-font/src/calendar.svg
diff --git a/vendor/openproject-icon-font/src/calendar2.svg b/frontend/src/app/spot/icon-font/src/calendar2.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/calendar2.svg
rename to frontend/src/app/spot/icon-font/src/calendar2.svg
diff --git a/vendor/openproject-icon-font/src/camera.svg b/frontend/src/app/spot/icon-font/src/camera.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/camera.svg
rename to frontend/src/app/spot/icon-font/src/camera.svg
diff --git a/vendor/openproject-icon-font/src/cancel.svg b/frontend/src/app/spot/icon-font/src/cancel.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/cancel.svg
rename to frontend/src/app/spot/icon-font/src/cancel.svg
diff --git a/vendor/openproject-icon-font/src/cart.svg b/frontend/src/app/spot/icon-font/src/cart.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/cart.svg
rename to frontend/src/app/spot/icon-font/src/cart.svg
diff --git a/vendor/openproject-icon-font/src/changeset-down.svg b/frontend/src/app/spot/icon-font/src/changeset-down.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/changeset-down.svg
rename to frontend/src/app/spot/icon-font/src/changeset-down.svg
diff --git a/vendor/openproject-icon-font/src/changeset-up.svg b/frontend/src/app/spot/icon-font/src/changeset-up.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/changeset-up.svg
rename to frontend/src/app/spot/icon-font/src/changeset-up.svg
diff --git a/vendor/openproject-icon-font/src/changeset.svg b/frontend/src/app/spot/icon-font/src/changeset.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/changeset.svg
rename to frontend/src/app/spot/icon-font/src/changeset.svg
diff --git a/vendor/openproject-icon-font/src/chart1.svg b/frontend/src/app/spot/icon-font/src/chart1.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/chart1.svg
rename to frontend/src/app/spot/icon-font/src/chart1.svg
diff --git a/vendor/openproject-icon-font/src/chart2.svg b/frontend/src/app/spot/icon-font/src/chart2.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/chart2.svg
rename to frontend/src/app/spot/icon-font/src/chart2.svg
diff --git a/vendor/openproject-icon-font/src/chart3.svg b/frontend/src/app/spot/icon-font/src/chart3.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/chart3.svg
rename to frontend/src/app/spot/icon-font/src/chart3.svg
diff --git a/vendor/openproject-icon-font/src/checkmark.svg b/frontend/src/app/spot/icon-font/src/checkmark.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/checkmark.svg
rename to frontend/src/app/spot/icon-font/src/checkmark.svg
diff --git a/vendor/openproject-icon-font/src/close.svg b/frontend/src/app/spot/icon-font/src/close.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/close.svg
rename to frontend/src/app/spot/icon-font/src/close.svg
diff --git a/vendor/openproject-icon-font/src/code-tag.svg b/frontend/src/app/spot/icon-font/src/code-tag.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/code-tag.svg
rename to frontend/src/app/spot/icon-font/src/code-tag.svg
diff --git a/vendor/openproject-icon-font/src/color-text.svg b/frontend/src/app/spot/icon-font/src/color-text.svg
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rename to frontend/src/app/spot/icon-font/src/sort-up.svg
diff --git a/vendor/openproject-icon-font/src/square.svg b/frontend/src/app/spot/icon-font/src/square.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/square.svg
rename to frontend/src/app/spot/icon-font/src/square.svg
diff --git a/vendor/openproject-icon-font/src/star.svg b/frontend/src/app/spot/icon-font/src/star.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/star.svg
rename to frontend/src/app/spot/icon-font/src/star.svg
diff --git a/vendor/openproject-icon-font/src/status-reporting.svg b/frontend/src/app/spot/icon-font/src/status-reporting.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/status-reporting.svg
rename to frontend/src/app/spot/icon-font/src/status-reporting.svg
diff --git a/vendor/openproject-icon-font/src/status.svg b/frontend/src/app/spot/icon-font/src/status.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/status.svg
rename to frontend/src/app/spot/icon-font/src/status.svg
diff --git a/vendor/openproject-icon-font/src/strike-through.svg b/frontend/src/app/spot/icon-font/src/strike-through.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/strike-through.svg
rename to frontend/src/app/spot/icon-font/src/strike-through.svg
diff --git a/vendor/openproject-icon-font/src/text.svg b/frontend/src/app/spot/icon-font/src/text.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/text.svg
rename to frontend/src/app/spot/icon-font/src/text.svg
diff --git a/vendor/openproject-icon-font/src/ticket-checked.svg b/frontend/src/app/spot/icon-font/src/ticket-checked.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/ticket-checked.svg
rename to frontend/src/app/spot/icon-font/src/ticket-checked.svg
diff --git a/vendor/openproject-icon-font/src/ticket-down.svg b/frontend/src/app/spot/icon-font/src/ticket-down.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/ticket-down.svg
rename to frontend/src/app/spot/icon-font/src/ticket-down.svg
diff --git a/vendor/openproject-icon-font/src/ticket-edit.svg b/frontend/src/app/spot/icon-font/src/ticket-edit.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/ticket-edit.svg
rename to frontend/src/app/spot/icon-font/src/ticket-edit.svg
diff --git a/vendor/openproject-icon-font/src/ticket-minus.svg b/frontend/src/app/spot/icon-font/src/ticket-minus.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/ticket-minus.svg
rename to frontend/src/app/spot/icon-font/src/ticket-minus.svg
diff --git a/vendor/openproject-icon-font/src/ticket-note.svg b/frontend/src/app/spot/icon-font/src/ticket-note.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/ticket-note.svg
rename to frontend/src/app/spot/icon-font/src/ticket-note.svg
diff --git a/vendor/openproject-icon-font/src/ticket.svg b/frontend/src/app/spot/icon-font/src/ticket.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/ticket.svg
rename to frontend/src/app/spot/icon-font/src/ticket.svg
diff --git a/vendor/openproject-icon-font/src/time.svg b/frontend/src/app/spot/icon-font/src/time.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/time.svg
rename to frontend/src/app/spot/icon-font/src/time.svg
diff --git a/vendor/openproject-icon-font/src/to-fullscreen.svg b/frontend/src/app/spot/icon-font/src/to-fullscreen.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/to-fullscreen.svg
rename to frontend/src/app/spot/icon-font/src/to-fullscreen.svg
diff --git a/vendor/openproject-icon-font/src/training-consulting.svg b/frontend/src/app/spot/icon-font/src/training-consulting.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/training-consulting.svg
rename to frontend/src/app/spot/icon-font/src/training-consulting.svg
diff --git a/vendor/openproject-icon-font/src/two-factor-authentication.svg b/frontend/src/app/spot/icon-font/src/two-factor-authentication.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/two-factor-authentication.svg
rename to frontend/src/app/spot/icon-font/src/two-factor-authentication.svg
diff --git a/vendor/openproject-icon-font/src/types.svg b/frontend/src/app/spot/icon-font/src/types.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/types.svg
rename to frontend/src/app/spot/icon-font/src/types.svg
diff --git a/vendor/openproject-icon-font/src/underline.svg b/frontend/src/app/spot/icon-font/src/underline.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/underline.svg
rename to frontend/src/app/spot/icon-font/src/underline.svg
diff --git a/vendor/openproject-icon-font/src/undo.svg b/frontend/src/app/spot/icon-font/src/undo.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/undo.svg
rename to frontend/src/app/spot/icon-font/src/undo.svg
diff --git a/vendor/openproject-icon-font/src/unit.svg b/frontend/src/app/spot/icon-font/src/unit.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/unit.svg
rename to frontend/src/app/spot/icon-font/src/unit.svg
diff --git a/vendor/openproject-icon-font/src/unlocked.svg b/frontend/src/app/spot/icon-font/src/unlocked.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/unlocked.svg
rename to frontend/src/app/spot/icon-font/src/unlocked.svg
diff --git a/vendor/openproject-icon-font/src/unordered-list.svg b/frontend/src/app/spot/icon-font/src/unordered-list.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/unordered-list.svg
rename to frontend/src/app/spot/icon-font/src/unordered-list.svg
diff --git a/vendor/openproject-icon-font/src/unwatched.svg b/frontend/src/app/spot/icon-font/src/unwatched.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/unwatched.svg
rename to frontend/src/app/spot/icon-font/src/unwatched.svg
diff --git a/vendor/openproject-icon-font/src/upload.svg b/frontend/src/app/spot/icon-font/src/upload.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/upload.svg
rename to frontend/src/app/spot/icon-font/src/upload.svg
diff --git a/vendor/openproject-icon-font/src/user-minus.svg b/frontend/src/app/spot/icon-font/src/user-minus.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/user-minus.svg
rename to frontend/src/app/spot/icon-font/src/user-minus.svg
diff --git a/vendor/openproject-icon-font/src/user-plus.svg b/frontend/src/app/spot/icon-font/src/user-plus.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/user-plus.svg
rename to frontend/src/app/spot/icon-font/src/user-plus.svg
diff --git a/vendor/openproject-icon-font/src/user.svg b/frontend/src/app/spot/icon-font/src/user.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/user.svg
rename to frontend/src/app/spot/icon-font/src/user.svg
diff --git a/vendor/openproject-icon-font/src/view-card.svg b/frontend/src/app/spot/icon-font/src/view-card.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/view-card.svg
rename to frontend/src/app/spot/icon-font/src/view-card.svg
diff --git a/vendor/openproject-icon-font/src/view-fullscreen.svg b/frontend/src/app/spot/icon-font/src/view-fullscreen.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/view-fullscreen.svg
rename to frontend/src/app/spot/icon-font/src/view-fullscreen.svg
diff --git a/vendor/openproject-icon-font/src/view-list.svg b/frontend/src/app/spot/icon-font/src/view-list.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/view-list.svg
rename to frontend/src/app/spot/icon-font/src/view-list.svg
diff --git a/vendor/openproject-icon-font/src/view-model.svg b/frontend/src/app/spot/icon-font/src/view-model.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/view-model.svg
rename to frontend/src/app/spot/icon-font/src/view-model.svg
diff --git a/vendor/openproject-icon-font/src/view-split-viewer-table.svg b/frontend/src/app/spot/icon-font/src/view-split-viewer-table.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/view-split-viewer-table.svg
rename to frontend/src/app/spot/icon-font/src/view-split-viewer-table.svg
diff --git a/vendor/openproject-icon-font/src/view-split.svg b/frontend/src/app/spot/icon-font/src/view-split.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/view-split.svg
rename to frontend/src/app/spot/icon-font/src/view-split.svg
diff --git a/vendor/openproject-icon-font/src/view-split2.svg b/frontend/src/app/spot/icon-font/src/view-split2.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/view-split2.svg
rename to frontend/src/app/spot/icon-font/src/view-split2.svg
diff --git a/vendor/openproject-icon-font/src/view-timeline.svg b/frontend/src/app/spot/icon-font/src/view-timeline.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/view-timeline.svg
rename to frontend/src/app/spot/icon-font/src/view-timeline.svg
diff --git a/vendor/openproject-icon-font/src/warning.svg b/frontend/src/app/spot/icon-font/src/warning.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/warning.svg
rename to frontend/src/app/spot/icon-font/src/warning.svg
diff --git a/vendor/openproject-icon-font/src/watched.svg b/frontend/src/app/spot/icon-font/src/watched.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/watched.svg
rename to frontend/src/app/spot/icon-font/src/watched.svg
diff --git a/vendor/openproject-icon-font/src/watching.svg b/frontend/src/app/spot/icon-font/src/watching.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/watching.svg
rename to frontend/src/app/spot/icon-font/src/watching.svg
diff --git a/vendor/openproject-icon-font/src/wiki-edit.svg b/frontend/src/app/spot/icon-font/src/wiki-edit.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/wiki-edit.svg
rename to frontend/src/app/spot/icon-font/src/wiki-edit.svg
diff --git a/vendor/openproject-icon-font/src/wiki.svg b/frontend/src/app/spot/icon-font/src/wiki.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/wiki.svg
rename to frontend/src/app/spot/icon-font/src/wiki.svg
diff --git a/vendor/openproject-icon-font/src/wiki2.svg b/frontend/src/app/spot/icon-font/src/wiki2.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/wiki2.svg
rename to frontend/src/app/spot/icon-font/src/wiki2.svg
diff --git a/vendor/openproject-icon-font/src/work-packages.svg b/frontend/src/app/spot/icon-font/src/work-packages.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/work-packages.svg
rename to frontend/src/app/spot/icon-font/src/work-packages.svg
diff --git a/vendor/openproject-icon-font/src/workflow.svg b/frontend/src/app/spot/icon-font/src/workflow.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/workflow.svg
rename to frontend/src/app/spot/icon-font/src/workflow.svg
diff --git a/vendor/openproject-icon-font/src/yes.svg b/frontend/src/app/spot/icon-font/src/yes.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/yes.svg
rename to frontend/src/app/spot/icon-font/src/yes.svg
diff --git a/vendor/openproject-icon-font/src/zen-mode.svg b/frontend/src/app/spot/icon-font/src/zen-mode.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/zen-mode.svg
rename to frontend/src/app/spot/icon-font/src/zen-mode.svg
diff --git a/vendor/openproject-icon-font/src/zoom-auto.svg b/frontend/src/app/spot/icon-font/src/zoom-auto.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/zoom-auto.svg
rename to frontend/src/app/spot/icon-font/src/zoom-auto.svg
diff --git a/vendor/openproject-icon-font/src/zoom-in.svg b/frontend/src/app/spot/icon-font/src/zoom-in.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/zoom-in.svg
rename to frontend/src/app/spot/icon-font/src/zoom-in.svg
diff --git a/vendor/openproject-icon-font/src/zoom-out.svg b/frontend/src/app/spot/icon-font/src/zoom-out.svg
similarity index 100%
rename from vendor/openproject-icon-font/src/zoom-out.svg
rename to frontend/src/app/spot/icon-font/src/zoom-out.svg
diff --git a/frontend/src/app/spot/spot-docs.component.html b/frontend/src/app/spot/spot-docs.component.html
index 5c19b734d4..da5839270a 100644
--- a/frontend/src/app/spot/spot-docs.component.html
+++ b/frontend/src/app/spot/spot-docs.component.html
@@ -1,9 +1,39 @@
 <h1>Buttons</h1>
 <button class="spot-button">Default</button>
+<button class="spot-button">
+  <span>Default</span>
+  <span class="spot-icon spot-icon_bell"></span>
+</button>
+<button class="spot-button"><span class="spot-icon spot-icon_bell"></span></button>
+
 <button class="spot-button spot-button_main">Main</button>
+<button class="spot-button spot-button_main">
+  <span>Main</span>
+  <span class="spot-icon spot-icon_bell"></span>
+</button>
+<button class="spot-button spot-button_main"><span class="spot-icon spot-icon_bell"></span></button>
+
 <button class="spot-button spot-button_accent">Accent</button>
+<button class="spot-button spot-button_accent">
+  <span>Accent</span>
+  <span class="spot-icon spot-icon_bell"></span>
+</button>
+<button class="spot-button spot-button_accent"><span class="spot-icon spot-icon_bell"></span></button>
+
 <button class="spot-button spot-button_danger">Danger</button>
+<button class="spot-button spot-button_danger">
+  <span>Danger</span>
+  <span class="spot-icon spot-icon_bell"></span>
+</button>
+<button class="spot-button spot-button_danger"><span class="spot-icon spot-icon_bell"></span></button>
+
 <button class="spot-button" disabled>Disabled</button>
+<button class="spot-button" disabled>
+  <span>Disabled</span>
+  <span class="spot-icon spot-icon_bell"></span>
+</button>
+<button class="spot-button" disabled><span class="spot-icon spot-icon_bell"></span></button>
+
 
 <hr>
 
@@ -69,28 +99,34 @@ Currently selected value is {{ toggleValue }}
 <ul class="spot-list">
   <li class="spot-list--item">
     <label class="spot-list--item-action">
-      <spot-checkbox [(ngModel)]="checkboxValue"></spot-checkbox>
+      <spot-checkbox [(ngModel)]="listCheckboxValue"></spot-checkbox>
       <div class="spot-list--item-title">Checkbox item</div>
     </label>
   </li>
   <li class="spot-list--item">
     <label class="spot-list--item-action">
-      <spot-checkbox [(ngModel)]="checkboxValue"></spot-checkbox>
+      <spot-checkbox [(ngModel)]="listCheckboxValue"></spot-checkbox>
       <div class="spot-list--item-title">Checkbox item with children</div>
     </label>
     <ul class="spot-list">
       <li class="spot-list--item">
         <label class="spot-list--item-action">
-          <spot-checkbox [(ngModel)]="checkboxValue"></spot-checkbox>
+          <spot-checkbox [(ngModel)]="listCheckboxValue"></spot-checkbox>
           <div class="spot-list--item-title">Child checkbox item</div>
         </label>
       </li>
       <li class="spot-list--item">
         <label class="spot-list--item-action">
-          <spot-checkbox [(ngModel)]="checkboxValue"></spot-checkbox>
+          <spot-checkbox [(ngModel)]="listCheckboxValue"></spot-checkbox>
           <div class="spot-list--item-title">Second child checkbox item</div>
         </label>
       </li>
+      <li class="spot-list--item">
+        <label class="spot-list--item-action spot-list--item-action_disabled">
+          <spot-checkbox [(ngModel)]="listCheckboxValue" disabled></spot-checkbox>
+          <div class="spot-list--item-title">Disabled item</div>
+        </label>
+      </li>
     </ul>
   </li>
 </ul>
@@ -102,8 +138,18 @@ Currently selected value is {{ toggleValue }}
   (remove)="onRemoveChip()"
 ></spot-filter-chip>
 <spot-filter-chip
-  [removable]="false"
   title="Unremovable chip"
+  [removable]="false"
+></spot-filter-chip>
+<spot-filter-chip
+  title="Default chip with icon"
+  icon="bell"
+  (remove)="onRemoveChip()"
+></spot-filter-chip>
+<spot-filter-chip
+  icon="bell"
+  title="Unremovable chip with icon"
+  [removable]="false"
 ></spot-filter-chip>
 
 <h1>Text Field</h1>
@@ -135,7 +181,7 @@ Currently selected value is {{ toggleValue }}
 >
   <span
     slot="after"
-    class="op-icon icon-bell"
+    class="spot-icon spot-icon_bell"
   ></span>
 </spot-text-field>
 
@@ -145,11 +191,11 @@ Currently selected value is {{ toggleValue }}
 >
   <span
     slot="before"
-    class="op-icon icon-bell"
+    class="spot-icon spot-icon_bell"
   ></span>
   <span
     slot="after"
-    class="op-icon icon-bell"
+    class="spot-icon spot-icon_bell"
   ></span>
 </spot-text-field>
 
@@ -159,7 +205,7 @@ Currently selected value is {{ toggleValue }}
 >
   <span
     slot="before"
-    class="op-icon icon-bell"
+    class="spot-icon spot-icon_bell"
   ></span>
 </spot-text-field>
 
@@ -192,7 +238,19 @@ Currently selected value is {{ toggleValue }}
     (click)="dropModalOpen = !dropModalOpen"
   >Open Modal</button>
   <ng-container slot="body">
-    <h1>Test</h1>
+    <div class="spot-body">
+      <h1 class="spot-header-small">Test</h1>
+
+      <spot-text-field
+        placeholder="Placeholder value"
+        [(ngModel)]="textFieldValue"
+      >
+        <span
+          slot="before"
+          class="spot-icon spot-icon_bell"
+        ></span>
+      </spot-text-field>
+    </div>
   </ng-container>
 </spot-drop-modal>
 
diff --git a/frontend/src/app/spot/spot-docs.component.ts b/frontend/src/app/spot/spot-docs.component.ts
index 778ff09cc1..c75d161097 100644
--- a/frontend/src/app/spot/spot-docs.component.ts
+++ b/frontend/src/app/spot/spot-docs.component.ts
@@ -7,9 +7,10 @@ import { Component } from '@angular/core';
 export class SpotDocsComponent {
   indeterminateState = null;
   checkboxValue = null;
+  listCheckboxValue = null;
   textFieldValue = 'ngModel value';
   dropModalOpen = false;
-  alignment = 'bottom-center';
+  alignment = 'bottom-left';
 
   toggleValue = null;
   toggleOptions = [
diff --git a/frontend/src/app/spot/spot.module.ts b/frontend/src/app/spot/spot.module.ts
index 85d2d8ab86..956f141fa3 100644
--- a/frontend/src/app/spot/spot.module.ts
+++ b/frontend/src/app/spot/spot.module.ts
@@ -1,14 +1,15 @@
 import { NgModule } from '@angular/core';
 import { FormsModule } from '@angular/forms';
 import { CommonModule } from '@angular/common';
+import { A11yModule } from '@angular/cdk/a11y';
 import { UIRouterModule } from '@uirouter/angular';
 import { SPOT_DOCS_ROUTES } from './spot.routes';
-import { SpotCheckboxComponent } from './components/checkbox.component';
-import { SpotToggleComponent } from './components/toggle.component';
-import { SpotTextFieldComponent } from './components/text-field.component';
-import { SpotFilterChipComponent } from './components/filter-chip.component';
-import { SpotChipFieldComponent } from './components/chip-field.component';
-import { SpotDropModalComponent } from './components/drop-modal.component';
+import { SpotCheckboxComponent } from './components/checkbox/checkbox.component';
+import { SpotToggleComponent } from './components/toggle/toggle.component';
+import { SpotTextFieldComponent } from './components/text-field/text-field.component';
+import { SpotFilterChipComponent } from './components/filter-chip/filter-chip.component';
+import { SpotChipFieldComponent } from './components/chip-field/chip-field.component';
+import { SpotDropModalComponent } from './components/drop-modal/drop-modal.component';
 import { SpotDocsComponent } from './spot-docs.component';
 
 @NgModule({
@@ -17,6 +18,7 @@ import { SpotDocsComponent } from './spot-docs.component';
     UIRouterModule.forChild({ states: SPOT_DOCS_ROUTES }),
     FormsModule,
     CommonModule,
+    A11yModule,
   ],
   declarations: [
     SpotDocsComponent,
diff --git a/frontend/src/app/spot/spot.routes.ts b/frontend/src/app/spot/spot.routes.ts
index 81727a01cd..e0bbd851f1 100644
--- a/frontend/src/app/spot/spot.routes.ts
+++ b/frontend/src/app/spot/spot.routes.ts
@@ -33,7 +33,7 @@ export const SPOT_DOCS_ROUTES:Ng2StateDeclaration[] = [
   {
     name: 'styleguide',
     parent: 'root',
-    url: '/spot-docs',
+    url: '/design/spot',
     views: {
       '!$default': { component: SpotDocsComponent },
     },
diff --git a/frontend/src/app/spot/styles/sass/blocks/body.sass b/frontend/src/app/spot/styles/sass/blocks/body.sass
deleted file mode 100644
index 370c81086a..0000000000
--- a/frontend/src/app/spot/styles/sass/blocks/body.sass
+++ /dev/null
@@ -1,13 +0,0 @@
-.spot-body
-  display: flex
-  flex-direction: column
-
-  > .spot-text-field,
-  > .spot-list
-    margin: $spot-spacing-0_5
-
-    &:first-child
-      margin-top: $spot-spacing-1
-
-    &:last-child
-      margin-bottom: $spot-spacing-1
diff --git a/frontend/src/app/spot/styles/sass/blocks/drop-modal.sass b/frontend/src/app/spot/styles/sass/blocks/drop-modal.sass
deleted file mode 100644
index 165dedc159..0000000000
--- a/frontend/src/app/spot/styles/sass/blocks/drop-modal.sass
+++ /dev/null
@@ -1,43 +0,0 @@
-.spot-drop-modal
-  position: relative
-  display: inline-flex
-
-  &--body
-    @include spot-z-index("drop-modal")
-
-    box-shadow: $spot-shadow-light-mid
-    position: absolute
-    background: $spot-color-basic-white
-    border-radius: 5px
-    pointer-events: none
-    opacity: 0
-
-    &_bottom-center
-      top: 100%
-      left: 50%
-      transform: translateX(-50%)
-
-    &_bottom-left
-      top: 100%
-      left: 0%
-
-    &_bottom-right
-      top: 100%
-      right: 0%
-
-    &_top-center
-      bottom: 100%
-      left: 50%
-      transform: translateX(-50%)
-
-    &_top-left
-      bottom: 100%
-      left: 0%
-
-    &_top-right
-      bottom: 100%
-      right: 0%
-
-  &_opened &--body
-    pointer-events: all
-    opacity: 1
diff --git a/frontend/src/app/spot/styles/sass/common/body.sass b/frontend/src/app/spot/styles/sass/common/body.sass
new file mode 100644
index 0000000000..0dac15aec1
--- /dev/null
+++ b/frontend/src/app/spot/styles/sass/common/body.sass
@@ -0,0 +1,20 @@
+.spot-body
+  display: flex
+  flex-direction: column
+
+  > .spot-header-big,
+  > .spot-header-small,
+  > .spot-subheader-big,
+  > .spot-subheader-small,
+  > .spot-body-big,
+  > .spot-body-small,
+  > .spot-caption,
+  > .spot-text-field,
+  > .spot-list
+    margin: $spot-spacing-0_5 $spot-spacing-1
+
+    &:first-child
+      margin-top: $spot-spacing-1
+
+    &:last-child
+      margin-bottom: $spot-spacing-1
diff --git a/frontend/src/app/spot/styles/sass/common/icon.sass b/frontend/src/app/spot/styles/sass/common/icon.sass
new file mode 100644
index 0000000000..b33cb2a4d7
--- /dev/null
+++ b/frontend/src/app/spot/styles/sass/common/icon.sass
@@ -0,0 +1,1895 @@
+.spot-icon 
+  display: inline-flex
+  justify-content: center
+  align-items: center
+
+  &::before 
+    font-family: "openproject-icon-font"
+    font-style: normal
+    font-weight: normal
+    font-variant: normal
+    font-size: inherit
+    text-transform: none
+    text-decoration: none
+    display: block
+    speak: none
+    line-height: 1
+    -webkit-font-smoothing: antialiased
+    -moz-osx-font-smoothing: grayscale
+
+
+@mixin spot-icon-accessibility 
+  content: "\f101"
+
+.spot-icon_accessibility:before 
+  content: "\f101"
+
+
+@mixin spot-icon-accountable 
+  content: "\f102"
+
+.spot-icon_accountable:before 
+  content: "\f102"
+
+
+@mixin spot-icon-add 
+  content: "\f103"
+
+.spot-icon_add:before 
+  content: "\f103"
+
+
+@mixin spot-icon-align-center 
+  content: "\f104"
+
+.spot-icon_align-center:before 
+  content: "\f104"
+
+
+@mixin spot-icon-align-justify 
+  content: "\f105"
+
+.spot-icon_align-justify:before 
+  content: "\f105"
+
+
+@mixin spot-icon-align-left 
+  content: "\f106"
+
+.spot-icon_align-left:before 
+  content: "\f106"
+
+
+@mixin spot-icon-align-right 
+  content: "\f107"
+
+.spot-icon_align-right:before 
+  content: "\f107"
+
+
+@mixin spot-icon-arrow-down1 
+  content: "\f108"
+
+.spot-icon_arrow-down1:before 
+  content: "\f108"
+
+
+@mixin spot-icon-arrow-down2 
+  content: "\f109"
+
+.spot-icon_arrow-down2:before 
+  content: "\f109"
+
+
+@mixin spot-icon-arrow-left-right 
+  content: "\f10a"
+
+.spot-icon_arrow-left-right:before 
+  content: "\f10a"
+
+
+@mixin spot-icon-arrow-left1 
+  content: "\f10b"
+
+.spot-icon_arrow-left1:before 
+  content: "\f10b"
+
+
+@mixin spot-icon-arrow-left2 
+  content: "\f10c"
+
+.spot-icon_arrow-left2:before 
+  content: "\f10c"
+
+
+@mixin spot-icon-arrow-left3 
+  content: "\f10d"
+
+.spot-icon_arrow-left3:before 
+  content: "\f10d"
+
+
+@mixin spot-icon-arrow-left4 
+  content: "\f10e"
+
+.spot-icon_arrow-left4:before 
+  content: "\f10e"
+
+
+@mixin spot-icon-arrow-right2 
+  content: "\f10f"
+
+.spot-icon_arrow-right2:before 
+  content: "\f10f"
+
+
+@mixin spot-icon-arrow-right3 
+  content: "\f110"
+
+.spot-icon_arrow-right3:before 
+  content: "\f110"
+
+
+@mixin spot-icon-arrow-right4 
+  content: "\f111"
+
+.spot-icon_arrow-right4:before 
+  content: "\f111"
+
+
+@mixin spot-icon-arrow-right5 
+  content: "\f112"
+
+.spot-icon_arrow-right5:before 
+  content: "\f112"
+
+
+@mixin spot-icon-arrow-right6 
+  content: "\f113"
+
+.spot-icon_arrow-right6:before 
+  content: "\f113"
+
+
+@mixin spot-icon-arrow-right7 
+  content: "\f114"
+
+.spot-icon_arrow-right7:before 
+  content: "\f114"
+
+
+@mixin spot-icon-arrow-thin 
+  content: "\f115"
+
+.spot-icon_arrow-thin:before 
+  content: "\f115"
+
+
+@mixin spot-icon-arrow-up1 
+  content: "\f116"
+
+.spot-icon_arrow-up1:before 
+  content: "\f116"
+
+
+@mixin spot-icon-arrow-up2 
+  content: "\f117"
+
+.spot-icon_arrow-up2:before 
+  content: "\f117"
+
+
+@mixin spot-icon-assigned-to-me 
+  content: "\f118"
+
+.spot-icon_assigned-to-me:before 
+  content: "\f118"
+
+
+@mixin spot-icon-assigned 
+  content: "\f119"
+
+.spot-icon_assigned:before 
+  content: "\f119"
+
+
+@mixin spot-icon-attachment 
+  content: "\f11a"
+
+.spot-icon_attachment:before 
+  content: "\f11a"
+
+
+@mixin spot-icon-attention 
+  content: "\f11b"
+
+.spot-icon_attention:before 
+  content: "\f11b"
+
+
+@mixin spot-icon-back-up 
+  content: "\f11c"
+
+.spot-icon_back-up:before 
+  content: "\f11c"
+
+
+@mixin spot-icon-backlogs 
+  content: "\f11d"
+
+.spot-icon_backlogs:before 
+  content: "\f11d"
+
+
+@mixin spot-icon-bcf 
+  content: "\f11e"
+
+.spot-icon_bcf:before 
+  content: "\f11e"
+
+
+@mixin spot-icon-bell 
+  content: "\f11f"
+
+.spot-icon_bell:before 
+  content: "\f11f"
+
+
+@mixin spot-icon-billing-information 
+  content: "\f120"
+
+.spot-icon_billing-information:before 
+  content: "\f120"
+
+
+@mixin spot-icon-boards 
+  content: "\f121"
+
+.spot-icon_boards:before 
+  content: "\f121"
+
+
+@mixin spot-icon-bold 
+  content: "\f122"
+
+.spot-icon_bold:before 
+  content: "\f122"
+
+
+@mixin spot-icon-budget 
+  content: "\f123"
+
+.spot-icon_budget:before 
+  content: "\f123"
+
+
+@mixin spot-icon-bug 
+  content: "\f124"
+
+.spot-icon_bug:before 
+  content: "\f124"
+
+
+@mixin spot-icon-calendar 
+  content: "\f125"
+
+.spot-icon_calendar:before 
+  content: "\f125"
+
+
+@mixin spot-icon-calendar2 
+  content: "\f126"
+
+.spot-icon_calendar2:before 
+  content: "\f126"
+
+
+@mixin spot-icon-camera 
+  content: "\f127"
+
+.spot-icon_camera:before 
+  content: "\f127"
+
+
+@mixin spot-icon-cancel 
+  content: "\f128"
+
+.spot-icon_cancel:before 
+  content: "\f128"
+
+
+@mixin spot-icon-cart 
+  content: "\f129"
+
+.spot-icon_cart:before 
+  content: "\f129"
+
+
+@mixin spot-icon-changeset-down 
+  content: "\f12a"
+
+.spot-icon_changeset-down:before 
+  content: "\f12a"
+
+
+@mixin spot-icon-changeset-up 
+  content: "\f12b"
+
+.spot-icon_changeset-up:before 
+  content: "\f12b"
+
+
+@mixin spot-icon-changeset 
+  content: "\f12c"
+
+.spot-icon_changeset:before 
+  content: "\f12c"
+
+
+@mixin spot-icon-chart1 
+  content: "\f12d"
+
+.spot-icon_chart1:before 
+  content: "\f12d"
+
+
+@mixin spot-icon-chart2 
+  content: "\f12e"
+
+.spot-icon_chart2:before 
+  content: "\f12e"
+
+
+@mixin spot-icon-chart3 
+  content: "\f12f"
+
+.spot-icon_chart3:before 
+  content: "\f12f"
+
+
+@mixin spot-icon-checkmark 
+  content: "\f130"
+
+.spot-icon_checkmark:before 
+  content: "\f130"
+
+
+@mixin spot-icon-close 
+  content: "\f131"
+
+.spot-icon_close:before 
+  content: "\f131"
+
+
+@mixin spot-icon-code-tag 
+  content: "\f132"
+
+.spot-icon_code-tag:before 
+  content: "\f132"
+
+
+@mixin spot-icon-color-text 
+  content: "\f133"
+
+.spot-icon_color-text:before 
+  content: "\f133"
+
+
+@mixin spot-icon-color-underline 
+  content: "\f134"
+
+.spot-icon_color-underline:before 
+  content: "\f134"
+
+
+@mixin spot-icon-column-left 
+  content: "\f135"
+
+.spot-icon_column-left:before 
+  content: "\f135"
+
+
+@mixin spot-icon-column-right 
+  content: "\f136"
+
+.spot-icon_column-right:before 
+  content: "\f136"
+
+
+@mixin spot-icon-columns 
+  content: "\f137"
+
+.spot-icon_columns:before 
+  content: "\f137"
+
+
+@mixin spot-icon-compare2 
+  content: "\f138"
+
+.spot-icon_compare2:before 
+  content: "\f138"
+
+
+@mixin spot-icon-concept 
+  content: "\f139"
+
+.spot-icon_concept:before 
+  content: "\f139"
+
+
+@mixin spot-icon-console-light 
+  content: "\f13a"
+
+.spot-icon_console-light:before 
+  content: "\f13a"
+
+
+@mixin spot-icon-console 
+  content: "\f13b"
+
+.spot-icon_console:before 
+  content: "\f13b"
+
+
+@mixin spot-icon-contacts 
+  content: "\f13c"
+
+.spot-icon_contacts:before 
+  content: "\f13c"
+
+
+@mixin spot-icon-copy 
+  content: "\f13d"
+
+.spot-icon_copy:before 
+  content: "\f13d"
+
+
+@mixin spot-icon-cost-reports 
+  content: "\f13e"
+
+.spot-icon_cost-reports:before 
+  content: "\f13e"
+
+
+@mixin spot-icon-cost-types 
+  content: "\f13f"
+
+.spot-icon_cost-types:before 
+  content: "\f13f"
+
+
+@mixin spot-icon-cursor 
+  content: "\f140"
+
+.spot-icon_cursor:before 
+  content: "\f140"
+
+
+@mixin spot-icon-custom-development 
+  content: "\f141"
+
+.spot-icon_custom-development:before 
+  content: "\f141"
+
+
+@mixin spot-icon-custom-fields 
+  content: "\f142"
+
+.spot-icon_custom-fields:before 
+  content: "\f142"
+
+
+@mixin spot-icon-cut 
+  content: "\f143"
+
+.spot-icon_cut:before 
+  content: "\f143"
+
+
+@mixin spot-icon-delete-folder 
+  content: "\f144"
+
+.spot-icon_delete-folder:before 
+  content: "\f144"
+
+
+@mixin spot-icon-delete 
+  content: "\f145"
+
+.spot-icon_delete:before 
+  content: "\f145"
+
+
+@mixin spot-icon-dependency 
+  content: "\f146"
+
+.spot-icon_dependency:before 
+  content: "\f146"
+
+
+@mixin spot-icon-design 
+  content: "\f147"
+
+.spot-icon_design:before 
+  content: "\f147"
+
+
+@mixin spot-icon-double-arrow-left 
+  content: "\f148"
+
+.spot-icon_double-arrow-left:before 
+  content: "\f148"
+
+
+@mixin spot-icon-double-arrow-right 
+  content: "\f149"
+
+.spot-icon_double-arrow-right:before 
+  content: "\f149"
+
+
+@mixin spot-icon-download 
+  content: "\f14a"
+
+.spot-icon_download:before 
+  content: "\f14a"
+
+
+@mixin spot-icon-drag-handle 
+  content: "\f14b"
+
+.spot-icon_drag-handle:before 
+  content: "\f14b"
+
+
+@mixin spot-icon-duplicate 
+  content: "\f14c"
+
+.spot-icon_duplicate:before 
+  content: "\f14c"
+
+
+@mixin spot-icon-edit 
+  content: "\f14d"
+
+.spot-icon_edit:before 
+  content: "\f14d"
+
+
+@mixin spot-icon-email-alert 
+  content: "\f14e"
+
+.spot-icon_email-alert:before 
+  content: "\f14e"
+
+
+@mixin spot-icon-enterprise 
+  content: "\f14f"
+
+.spot-icon_enterprise:before 
+  content: "\f14f"
+
+
+@mixin spot-icon-enumerations 
+  content: "\f150"
+
+.spot-icon_enumerations:before 
+  content: "\f150"
+
+
+@mixin spot-icon-error 
+  content: "\f151"
+
+.spot-icon_error:before 
+  content: "\f151"
+
+
+@mixin spot-icon-export-atom 
+  content: "\f152"
+
+.spot-icon_export-atom:before 
+  content: "\f152"
+
+
+@mixin spot-icon-export-bcf 
+  content: "\f153"
+
+.spot-icon_export-bcf:before 
+  content: "\f153"
+
+
+@mixin spot-icon-export-csv 
+  content: "\f154"
+
+.spot-icon_export-csv:before 
+  content: "\f154"
+
+
+@mixin spot-icon-export-pdf-descr 
+  content: "\f155"
+
+.spot-icon_export-pdf-descr:before 
+  content: "\f155"
+
+
+@mixin spot-icon-export-pdf-with-descriptions 
+  content: "\f156"
+
+.spot-icon_export-pdf-with-descriptions:before 
+  content: "\f156"
+
+
+@mixin spot-icon-export-pdf 
+  content: "\f157"
+
+.spot-icon_export-pdf:before 
+  content: "\f157"
+
+
+@mixin spot-icon-export-xls-descr 
+  content: "\f158"
+
+.spot-icon_export-xls-descr:before 
+  content: "\f158"
+
+
+@mixin spot-icon-export-xls-with-descriptions 
+  content: "\f159"
+
+.spot-icon_export-xls-with-descriptions:before 
+  content: "\f159"
+
+
+@mixin spot-icon-export-xls-with-relations 
+  content: "\f15a"
+
+.spot-icon_export-xls-with-relations:before 
+  content: "\f15a"
+
+
+@mixin spot-icon-export-xls 
+  content: "\f15b"
+
+.spot-icon_export-xls:before 
+  content: "\f15b"
+
+
+@mixin spot-icon-export 
+  content: "\f15c"
+
+.spot-icon_export:before 
+  content: "\f15c"
+
+
+@mixin spot-icon-external-link 
+  content: "\f15d"
+
+.spot-icon_external-link:before 
+  content: "\f15d"
+
+
+@mixin spot-icon-faq 
+  content: "\f15e"
+
+.spot-icon_faq:before 
+  content: "\f15e"
+
+
+@mixin spot-icon-filter 
+  content: "\f15f"
+
+.spot-icon_filter:before 
+  content: "\f15f"
+
+
+@mixin spot-icon-flag 
+  content: "\f160"
+
+.spot-icon_flag:before 
+  content: "\f160"
+
+
+@mixin spot-icon-folder-add 
+  content: "\f161"
+
+.spot-icon_folder-add:before 
+  content: "\f161"
+
+
+@mixin spot-icon-folder-locked 
+  content: "\f162"
+
+.spot-icon_folder-locked:before 
+  content: "\f162"
+
+
+@mixin spot-icon-folder-open 
+  content: "\f163"
+
+.spot-icon_folder-open:before 
+  content: "\f163"
+
+
+@mixin spot-icon-folder-remove 
+  content: "\f164"
+
+.spot-icon_folder-remove:before 
+  content: "\f164"
+
+
+@mixin spot-icon-folder 
+  content: "\f165"
+
+.spot-icon_folder:before 
+  content: "\f165"
+
+
+@mixin spot-icon-forums 
+  content: "\f166"
+
+.spot-icon_forums:before 
+  content: "\f166"
+
+
+@mixin spot-icon-from-fullscreen 
+  content: "\f167"
+
+.spot-icon_from-fullscreen:before 
+  content: "\f167"
+
+
+@mixin spot-icon-getting-started 
+  content: "\f168"
+
+.spot-icon_getting-started:before 
+  content: "\f168"
+
+
+@mixin spot-icon-glossar 
+  content: "\f169"
+
+.spot-icon_glossar:before 
+  content: "\f169"
+
+
+@mixin spot-icon-google-plus 
+  content: "\f16a"
+
+.spot-icon_google-plus:before 
+  content: "\f16a"
+
+
+@mixin spot-icon-group-by 
+  content: "\f16b"
+
+.spot-icon_group-by:before 
+  content: "\f16b"
+
+
+@mixin spot-icon-group 
+  content: "\f16c"
+
+.spot-icon_group:before 
+  content: "\f16c"
+
+
+@mixin spot-icon-hamburger 
+  content: "\f16d"
+
+.spot-icon_hamburger:before 
+  content: "\f16d"
+
+
+@mixin spot-icon-headline1 
+  content: "\f16e"
+
+.spot-icon_headline1:before 
+  content: "\f16e"
+
+
+@mixin spot-icon-headline2 
+  content: "\f16f"
+
+.spot-icon_headline2:before 
+  content: "\f16f"
+
+
+@mixin spot-icon-headline3 
+  content: "\f170"
+
+.spot-icon_headline3:before 
+  content: "\f170"
+
+
+@mixin spot-icon-headset 
+  content: "\f171"
+
+.spot-icon_headset:before 
+  content: "\f171"
+
+
+@mixin spot-icon-help 
+  content: "\f172"
+
+.spot-icon_help:before 
+  content: "\f172"
+
+
+@mixin spot-icon-help1 
+  content: "\f173"
+
+.spot-icon_help1:before 
+  content: "\f173"
+
+
+@mixin spot-icon-help2 
+  content: "\f174"
+
+.spot-icon_help2:before 
+  content: "\f174"
+
+
+@mixin spot-icon-hierarchy 
+  content: "\f175"
+
+.spot-icon_hierarchy:before 
+  content: "\f175"
+
+
+@mixin spot-icon-home 
+  content: "\f176"
+
+.spot-icon_home:before 
+  content: "\f176"
+
+
+@mixin spot-icon-hosting 
+  content: "\f177"
+
+.spot-icon_hosting:before 
+  content: "\f177"
+
+
+@mixin spot-icon-ifc 
+  content: "\f178"
+
+.spot-icon_ifc:before 
+  content: "\f178"
+
+
+@mixin spot-icon-image1 
+  content: "\f179"
+
+.spot-icon_image1:before 
+  content: "\f179"
+
+
+@mixin spot-icon-image2 
+  content: "\f17a"
+
+.spot-icon_image2:before 
+  content: "\f17a"
+
+
+@mixin spot-icon-import 
+  content: "\f17b"
+
+.spot-icon_import:before 
+  content: "\f17b"
+
+
+@mixin spot-icon-inbox 
+  content: "\f17c"
+
+.spot-icon_inbox:before 
+  content: "\f17c"
+
+
+@mixin spot-icon-info1 
+  content: "\f17d"
+
+.spot-icon_info1:before 
+  content: "\f17d"
+
+
+@mixin spot-icon-info2 
+  content: "\f17e"
+
+.spot-icon_info2:before 
+  content: "\f17e"
+
+
+@mixin spot-icon-input-disabled 
+  content: "\f17f"
+
+.spot-icon_input-disabled:before 
+  content: "\f17f"
+
+
+@mixin spot-icon-installation-services 
+  content: "\f180"
+
+.spot-icon_installation-services:before 
+  content: "\f180"
+
+
+@mixin spot-icon-italic 
+  content: "\f181"
+
+.spot-icon_italic:before 
+  content: "\f181"
+
+
+@mixin spot-icon-key 
+  content: "\f182"
+
+.spot-icon_key:before 
+  content: "\f182"
+
+
+@mixin spot-icon-link 
+  content: "\f183"
+
+.spot-icon_link:before 
+  content: "\f183"
+
+
+@mixin spot-icon-loading1 
+  content: "\f184"
+
+.spot-icon_loading1:before 
+  content: "\f184"
+
+
+@mixin spot-icon-loading2 
+  content: "\f185"
+
+.spot-icon_loading2:before 
+  content: "\f185"
+
+
+@mixin spot-icon-location 
+  content: "\f186"
+
+.spot-icon_location:before 
+  content: "\f186"
+
+
+@mixin spot-icon-locked 
+  content: "\f187"
+
+.spot-icon_locked:before 
+  content: "\f187"
+
+
+@mixin spot-icon-logout 
+  content: "\f188"
+
+.spot-icon_logout:before 
+  content: "\f188"
+
+
+@mixin spot-icon-mail1 
+  content: "\f189"
+
+.spot-icon_mail1:before 
+  content: "\f189"
+
+
+@mixin spot-icon-mail2 
+  content: "\f18a"
+
+.spot-icon_mail2:before 
+  content: "\f18a"
+
+
+@mixin spot-icon-maintenance-support 
+  content: "\f18b"
+
+.spot-icon_maintenance-support:before 
+  content: "\f18b"
+
+
+@mixin spot-icon-mark-all-read 
+  content: "\f18c"
+
+.spot-icon_mark-all-read:before 
+  content: "\f18c"
+
+
+@mixin spot-icon-mark-read 
+  content: "\f18d"
+
+.spot-icon_mark-read:before 
+  content: "\f18d"
+
+
+@mixin spot-icon-medal 
+  content: "\f18e"
+
+.spot-icon_medal:before 
+  content: "\f18e"
+
+
+@mixin spot-icon-meetings 
+  content: "\f18f"
+
+.spot-icon_meetings:before 
+  content: "\f18f"
+
+
+@mixin spot-icon-mention 
+  content: "\f190"
+
+.spot-icon_mention:before 
+  content: "\f190"
+
+
+@mixin spot-icon-menu 
+  content: "\f191"
+
+.spot-icon_menu:before 
+  content: "\f191"
+
+
+@mixin spot-icon-merge-branch 
+  content: "\f192"
+
+.spot-icon_merge-branch:before 
+  content: "\f192"
+
+
+@mixin spot-icon-microphone 
+  content: "\f193"
+
+.spot-icon_microphone:before 
+  content: "\f193"
+
+
+@mixin spot-icon-milestone 
+  content: "\f194"
+
+.spot-icon_milestone:before 
+  content: "\f194"
+
+
+@mixin spot-icon-minus1 
+  content: "\f195"
+
+.spot-icon_minus1:before 
+  content: "\f195"
+
+
+@mixin spot-icon-minus2 
+  content: "\f196"
+
+.spot-icon_minus2:before 
+  content: "\f196"
+
+
+@mixin spot-icon-mobile 
+  content: "\f197"
+
+.spot-icon_mobile:before 
+  content: "\f197"
+
+
+@mixin spot-icon-modules 
+  content: "\f198"
+
+.spot-icon_modules:before 
+  content: "\f198"
+
+
+@mixin spot-icon-more 
+  content: "\f199"
+
+.spot-icon_more:before 
+  content: "\f199"
+
+
+@mixin spot-icon-move 
+  content: "\f19a"
+
+.spot-icon_move:before 
+  content: "\f19a"
+
+
+@mixin spot-icon-movie 
+  content: "\f19b"
+
+.spot-icon_movie:before 
+  content: "\f19b"
+
+
+@mixin spot-icon-music 
+  content: "\f19c"
+
+.spot-icon_music:before 
+  content: "\f19c"
+
+
+@mixin spot-icon-new-planning-element 
+  content: "\f19d"
+
+.spot-icon_new-planning-element:before 
+  content: "\f19d"
+
+
+@mixin spot-icon-news 
+  content: "\f19e"
+
+.spot-icon_news:before 
+  content: "\f19e"
+
+
+@mixin spot-icon-no-hierarchy 
+  content: "\f19f"
+
+.spot-icon_no-hierarchy:before 
+  content: "\f19f"
+
+
+@mixin spot-icon-no-zen-mode 
+  content: "\f1a0"
+
+.spot-icon_no-zen-mode:before 
+  content: "\f1a0"
+
+
+@mixin spot-icon-not-supported 
+  content: "\f1a1"
+
+.spot-icon_not-supported:before 
+  content: "\f1a1"
+
+
+@mixin spot-icon-notes 
+  content: "\f1a2"
+
+.spot-icon_notes:before 
+  content: "\f1a2"
+
+
+@mixin spot-icon-openid 
+  content: "\f1a3"
+
+.spot-icon_openid:before 
+  content: "\f1a3"
+
+
+@mixin spot-icon-openproject 
+  content: "\f1a4"
+
+.spot-icon_openproject:before 
+  content: "\f1a4"
+
+
+@mixin spot-icon-ordered-list 
+  content: "\f1a5"
+
+.spot-icon_ordered-list:before 
+  content: "\f1a5"
+
+
+@mixin spot-icon-outline 
+  content: "\f1a6"
+
+.spot-icon_outline:before 
+  content: "\f1a6"
+
+
+@mixin spot-icon-paragraph-left 
+  content: "\f1a7"
+
+.spot-icon_paragraph-left:before 
+  content: "\f1a7"
+
+
+@mixin spot-icon-paragraph-right 
+  content: "\f1a8"
+
+.spot-icon_paragraph-right:before 
+  content: "\f1a8"
+
+
+@mixin spot-icon-paragraph 
+  content: "\f1a9"
+
+.spot-icon_paragraph:before 
+  content: "\f1a9"
+
+
+@mixin spot-icon-payment-history 
+  content: "\f1aa"
+
+.spot-icon_payment-history:before 
+  content: "\f1aa"
+
+
+@mixin spot-icon-phone 
+  content: "\f1ab"
+
+.spot-icon_phone:before 
+  content: "\f1ab"
+
+
+@mixin spot-icon-pin 
+  content: "\f1ac"
+
+.spot-icon_pin:before 
+  content: "\f1ac"
+
+
+@mixin spot-icon-play 
+  content: "\f1ad"
+
+.spot-icon_play:before 
+  content: "\f1ad"
+
+
+@mixin spot-icon-plugins 
+  content: "\f1ae"
+
+.spot-icon_plugins:before 
+  content: "\f1ae"
+
+
+@mixin spot-icon-plus 
+  content: "\f1af"
+
+.spot-icon_plus:before 
+  content: "\f1af"
+
+
+@mixin spot-icon-pre 
+  content: "\f1b0"
+
+.spot-icon_pre:before 
+  content: "\f1b0"
+
+
+@mixin spot-icon-presentation 
+  content: "\f1b1"
+
+.spot-icon_presentation:before 
+  content: "\f1b1"
+
+
+@mixin spot-icon-preview 
+  content: "\f1b2"
+
+.spot-icon_preview:before 
+  content: "\f1b2"
+
+
+@mixin spot-icon-print 
+  content: "\f1b3"
+
+.spot-icon_print:before 
+  content: "\f1b3"
+
+
+@mixin spot-icon-priority 
+  content: "\f1b4"
+
+.spot-icon_priority:before 
+  content: "\f1b4"
+
+
+@mixin spot-icon-project-types 
+  content: "\f1b5"
+
+.spot-icon_project-types:before 
+  content: "\f1b5"
+
+
+@mixin spot-icon-projects 
+  content: "\f1b6"
+
+.spot-icon_projects:before 
+  content: "\f1b6"
+
+
+@mixin spot-icon-publish 
+  content: "\f1b7"
+
+.spot-icon_publish:before 
+  content: "\f1b7"
+
+
+@mixin spot-icon-pulldown-up 
+  content: "\f1b8"
+
+.spot-icon_pulldown-up:before 
+  content: "\f1b8"
+
+
+@mixin spot-icon-pulldown 
+  content: "\f1b9"
+
+.spot-icon_pulldown:before 
+  content: "\f1b9"
+
+
+@mixin spot-icon-quote 
+  content: "\f1ba"
+
+.spot-icon_quote:before 
+  content: "\f1ba"
+
+
+@mixin spot-icon-quote2 
+  content: "\f1bb"
+
+.spot-icon_quote2:before 
+  content: "\f1bb"
+
+
+@mixin spot-icon-redo 
+  content: "\f1bc"
+
+.spot-icon_redo:before 
+  content: "\f1bc"
+
+
+@mixin spot-icon-relation-follows 
+  content: "\f1bd"
+
+.spot-icon_relation-follows:before 
+  content: "\f1bd"
+
+
+@mixin spot-icon-relation-new-child 
+  content: "\f1be"
+
+.spot-icon_relation-new-child:before 
+  content: "\f1be"
+
+
+@mixin spot-icon-relation-precedes 
+  content: "\f1bf"
+
+.spot-icon_relation-precedes:before 
+  content: "\f1bf"
+
+
+@mixin spot-icon-relations 
+  content: "\f1c0"
+
+.spot-icon_relations:before 
+  content: "\f1c0"
+
+
+@mixin spot-icon-reload 
+  content: "\f1c1"
+
+.spot-icon_reload:before 
+  content: "\f1c1"
+
+
+@mixin spot-icon-reminder 
+  content: "\f1c2"
+
+.spot-icon_reminder:before 
+  content: "\f1c2"
+
+
+@mixin spot-icon-remove 
+  content: "\f1c3"
+
+.spot-icon_remove:before 
+  content: "\f1c3"
+
+
+@mixin spot-icon-rename 
+  content: "\f1c4"
+
+.spot-icon_rename:before 
+  content: "\f1c4"
+
+
+@mixin spot-icon-reported-by-me 
+  content: "\f1c5"
+
+.spot-icon_reported-by-me:before 
+  content: "\f1c5"
+
+
+@mixin spot-icon-resizer-bottom-right 
+  content: "\f1c6"
+
+.spot-icon_resizer-bottom-right:before 
+  content: "\f1c6"
+
+
+@mixin spot-icon-resizer-vertical-lines 
+  content: "\f1c7"
+
+.spot-icon_resizer-vertical-lines:before 
+  content: "\f1c7"
+
+
+@mixin spot-icon-roadmap 
+  content: "\f1c8"
+
+.spot-icon_roadmap:before 
+  content: "\f1c8"
+
+
+@mixin spot-icon-rss 
+  content: "\f1c9"
+
+.spot-icon_rss:before 
+  content: "\f1c9"
+
+
+@mixin spot-icon-rubber 
+  content: "\f1ca"
+
+.spot-icon_rubber:before 
+  content: "\f1ca"
+
+
+@mixin spot-icon-save 
+  content: "\f1cb"
+
+.spot-icon_save:before 
+  content: "\f1cb"
+
+
+@mixin spot-icon-search 
+  content: "\f1cc"
+
+.spot-icon_search:before 
+  content: "\f1cc"
+
+
+@mixin spot-icon-send-mail 
+  content: "\f1cd"
+
+.spot-icon_send-mail:before 
+  content: "\f1cd"
+
+
+@mixin spot-icon-server-key 
+  content: "\f1ce"
+
+.spot-icon_server-key:before 
+  content: "\f1ce"
+
+
+@mixin spot-icon-settings 
+  content: "\f1cf"
+
+.spot-icon_settings:before 
+  content: "\f1cf"
+
+
+@mixin spot-icon-settings2 
+  content: "\f1d0"
+
+.spot-icon_settings2:before 
+  content: "\f1d0"
+
+
+@mixin spot-icon-settings3 
+  content: "\f1d1"
+
+.spot-icon_settings3:before 
+  content: "\f1d1"
+
+
+@mixin spot-icon-settings4 
+  content: "\f1d2"
+
+.spot-icon_settings4:before 
+  content: "\f1d2"
+
+
+@mixin spot-icon-shortcuts 
+  content: "\f1d3"
+
+.spot-icon_shortcuts:before 
+  content: "\f1d3"
+
+
+@mixin spot-icon-show-all-projects 
+  content: "\f1d4"
+
+.spot-icon_show-all-projects:before 
+  content: "\f1d4"
+
+
+@mixin spot-icon-show-more-horizontal 
+  content: "\f1d5"
+
+.spot-icon_show-more-horizontal:before 
+  content: "\f1d5"
+
+
+@mixin spot-icon-show-more 
+  content: "\f1d6"
+
+.spot-icon_show-more:before 
+  content: "\f1d6"
+
+
+@mixin spot-icon-slack 
+  content: "\f1d7"
+
+.spot-icon_slack:before 
+  content: "\f1d7"
+
+
+@mixin spot-icon-sort-ascending 
+  content: "\f1d8"
+
+.spot-icon_sort-ascending:before 
+  content: "\f1d8"
+
+
+@mixin spot-icon-sort-by 
+  content: "\f1d9"
+
+.spot-icon_sort-by:before 
+  content: "\f1d9"
+
+
+@mixin spot-icon-sort-descending 
+  content: "\f1da"
+
+.spot-icon_sort-descending:before 
+  content: "\f1da"
+
+
+@mixin spot-icon-sort-down 
+  content: "\f1db"
+
+.spot-icon_sort-down:before 
+  content: "\f1db"
+
+
+@mixin spot-icon-sort-up 
+  content: "\f1dc"
+
+.spot-icon_sort-up:before 
+  content: "\f1dc"
+
+
+@mixin spot-icon-square 
+  content: "\f1dd"
+
+.spot-icon_square:before 
+  content: "\f1dd"
+
+
+@mixin spot-icon-star 
+  content: "\f1de"
+
+.spot-icon_star:before 
+  content: "\f1de"
+
+
+@mixin spot-icon-status-reporting 
+  content: "\f1df"
+
+.spot-icon_status-reporting:before 
+  content: "\f1df"
+
+
+@mixin spot-icon-status 
+  content: "\f1e0"
+
+.spot-icon_status:before 
+  content: "\f1e0"
+
+
+@mixin spot-icon-strike-through 
+  content: "\f1e1"
+
+.spot-icon_strike-through:before 
+  content: "\f1e1"
+
+
+@mixin spot-icon-text 
+  content: "\f1e2"
+
+.spot-icon_text:before 
+  content: "\f1e2"
+
+
+@mixin spot-icon-ticket-checked 
+  content: "\f1e3"
+
+.spot-icon_ticket-checked:before 
+  content: "\f1e3"
+
+
+@mixin spot-icon-ticket-down 
+  content: "\f1e4"
+
+.spot-icon_ticket-down:before 
+  content: "\f1e4"
+
+
+@mixin spot-icon-ticket-edit 
+  content: "\f1e5"
+
+.spot-icon_ticket-edit:before 
+  content: "\f1e5"
+
+
+@mixin spot-icon-ticket-minus 
+  content: "\f1e6"
+
+.spot-icon_ticket-minus:before 
+  content: "\f1e6"
+
+
+@mixin spot-icon-ticket-note 
+  content: "\f1e7"
+
+.spot-icon_ticket-note:before 
+  content: "\f1e7"
+
+
+@mixin spot-icon-ticket 
+  content: "\f1e8"
+
+.spot-icon_ticket:before 
+  content: "\f1e8"
+
+
+@mixin spot-icon-time 
+  content: "\f1e9"
+
+.spot-icon_time:before 
+  content: "\f1e9"
+
+
+@mixin spot-icon-to-fullscreen 
+  content: "\f1ea"
+
+.spot-icon_to-fullscreen:before 
+  content: "\f1ea"
+
+
+@mixin spot-icon-training-consulting 
+  content: "\f1eb"
+
+.spot-icon_training-consulting:before 
+  content: "\f1eb"
+
+
+@mixin spot-icon-two-factor-authentication 
+  content: "\f1ec"
+
+.spot-icon_two-factor-authentication:before 
+  content: "\f1ec"
+
+
+@mixin spot-icon-types 
+  content: "\f1ed"
+
+.spot-icon_types:before 
+  content: "\f1ed"
+
+
+@mixin spot-icon-underline 
+  content: "\f1ee"
+
+.spot-icon_underline:before 
+  content: "\f1ee"
+
+
+@mixin spot-icon-undo 
+  content: "\f1ef"
+
+.spot-icon_undo:before 
+  content: "\f1ef"
+
+
+@mixin spot-icon-unit 
+  content: "\f1f0"
+
+.spot-icon_unit:before 
+  content: "\f1f0"
+
+
+@mixin spot-icon-unlocked 
+  content: "\f1f1"
+
+.spot-icon_unlocked:before 
+  content: "\f1f1"
+
+
+@mixin spot-icon-unordered-list 
+  content: "\f1f2"
+
+.spot-icon_unordered-list:before 
+  content: "\f1f2"
+
+
+@mixin spot-icon-unwatched 
+  content: "\f1f3"
+
+.spot-icon_unwatched:before 
+  content: "\f1f3"
+
+
+@mixin spot-icon-upload 
+  content: "\f1f4"
+
+.spot-icon_upload:before 
+  content: "\f1f4"
+
+
+@mixin spot-icon-user-minus 
+  content: "\f1f5"
+
+.spot-icon_user-minus:before 
+  content: "\f1f5"
+
+
+@mixin spot-icon-user-plus 
+  content: "\f1f6"
+
+.spot-icon_user-plus:before 
+  content: "\f1f6"
+
+
+@mixin spot-icon-user 
+  content: "\f1f7"
+
+.spot-icon_user:before 
+  content: "\f1f7"
+
+
+@mixin spot-icon-view-card 
+  content: "\f1f8"
+
+.spot-icon_view-card:before 
+  content: "\f1f8"
+
+
+@mixin spot-icon-view-fullscreen 
+  content: "\f1f9"
+
+.spot-icon_view-fullscreen:before 
+  content: "\f1f9"
+
+
+@mixin spot-icon-view-list 
+  content: "\f1fa"
+
+.spot-icon_view-list:before 
+  content: "\f1fa"
+
+
+@mixin spot-icon-view-model 
+  content: "\f1fb"
+
+.spot-icon_view-model:before 
+  content: "\f1fb"
+
+
+@mixin spot-icon-view-split-viewer-table 
+  content: "\f1fc"
+
+.spot-icon_view-split-viewer-table:before 
+  content: "\f1fc"
+
+
+@mixin spot-icon-view-split 
+  content: "\f1fd"
+
+.spot-icon_view-split:before 
+  content: "\f1fd"
+
+
+@mixin spot-icon-view-split2 
+  content: "\f1fe"
+
+.spot-icon_view-split2:before 
+  content: "\f1fe"
+
+
+@mixin spot-icon-view-timeline 
+  content: "\f1ff"
+
+.spot-icon_view-timeline:before 
+  content: "\f1ff"
+
+
+@mixin spot-icon-warning 
+  content: "\f200"
+
+.spot-icon_warning:before 
+  content: "\f200"
+
+
+@mixin spot-icon-watched 
+  content: "\f201"
+
+.spot-icon_watched:before 
+  content: "\f201"
+
+
+@mixin spot-icon-watching 
+  content: "\f202"
+
+.spot-icon_watching:before 
+  content: "\f202"
+
+
+@mixin spot-icon-wiki-edit 
+  content: "\f203"
+
+.spot-icon_wiki-edit:before 
+  content: "\f203"
+
+
+@mixin spot-icon-wiki 
+  content: "\f204"
+
+.spot-icon_wiki:before 
+  content: "\f204"
+
+
+@mixin spot-icon-wiki2 
+  content: "\f205"
+
+.spot-icon_wiki2:before 
+  content: "\f205"
+
+
+@mixin spot-icon-work-packages 
+  content: "\f206"
+
+.spot-icon_work-packages:before 
+  content: "\f206"
+
+
+@mixin spot-icon-workflow 
+  content: "\f207"
+
+.spot-icon_workflow:before 
+  content: "\f207"
+
+
+@mixin spot-icon-yes 
+  content: "\f208"
+
+.spot-icon_yes:before 
+  content: "\f208"
+
+
+@mixin spot-icon-zen-mode 
+  content: "\f209"
+
+.spot-icon_zen-mode:before 
+  content: "\f209"
+
+
+@mixin spot-icon-zoom-auto 
+  content: "\f20a"
+
+.spot-icon_zoom-auto:before 
+  content: "\f20a"
+
+
+@mixin spot-icon-zoom-in 
+  content: "\f20b"
+
+.spot-icon_zoom-in:before 
+  content: "\f20b"
+
+
+@mixin spot-icon-zoom-out 
+  content: "\f20c"
+
+.spot-icon_zoom-out:before 
+  content: "\f20c"
+
diff --git a/frontend/src/app/spot/styles/sass/common/index.sass b/frontend/src/app/spot/styles/sass/common/index.sass
new file mode 100644
index 0000000000..954cba1e43
--- /dev/null
+++ b/frontend/src/app/spot/styles/sass/common/index.sass
@@ -0,0 +1,3 @@
+@import './icon'
+@import './body'
+@import './typography'
diff --git a/frontend/src/app/spot/styles/sass/common/typography.sass b/frontend/src/app/spot/styles/sass/common/typography.sass
new file mode 100644
index 0000000000..afd0117395
--- /dev/null
+++ b/frontend/src/app/spot/styles/sass/common/typography.sass
@@ -0,0 +1,20 @@
+.spot-header-big
+  @include spot-header-big
+
+.spot-header-small
+  @include spot-header-small
+
+.spot-subheader-big
+  @include spot-subheader-big
+
+.spot-subheader-small
+  @include spot-subheader-small
+
+.spot-body-big
+  @include spot-body-big
+
+.spot-body-small
+  @include spot-body-small
+
+.spot-caption
+  @include spot-caption
diff --git a/frontend/src/app/spot/styles/sass/blocks/action-bar.sass b/frontend/src/app/spot/styles/sass/components/action-bar.sass
similarity index 94%
rename from frontend/src/app/spot/styles/sass/blocks/action-bar.sass
rename to frontend/src/app/spot/styles/sass/components/action-bar.sass
index 6b383b58b1..0b136acc65 100644
--- a/frontend/src/app/spot/styles/sass/blocks/action-bar.sass
+++ b/frontend/src/app/spot/styles/sass/components/action-bar.sass
@@ -3,7 +3,7 @@
   flex-direction: row
   flex-wrap: nowrap
   justify-content: space-between
-  padding: $spot-spacing-0_75
+  padding: $spot-spacing-1
   background-color: $spot-color-basic-gray-6
 
   &--left,
diff --git a/frontend/src/app/spot/styles/sass/blocks/button.sass b/frontend/src/app/spot/styles/sass/components/button.sass
similarity index 89%
rename from frontend/src/app/spot/styles/sass/blocks/button.sass
rename to frontend/src/app/spot/styles/sass/components/button.sass
index 93285a91b7..4cfa07b8da 100644
--- a/frontend/src/app/spot/styles/sass/blocks/button.sass
+++ b/frontend/src/app/spot/styles/sass/components/button.sass
@@ -3,9 +3,14 @@
 
   display: inline-flex
   flex-direction: row
+  align-items: center
+  justify-content: center
   flex-wrap: nowrap
+  line-height: calc(#{$spot-spacing-2} - 2px) // The border needs to be removed from this
+  min-height: $spot-spacing-2
+
   margin: 0
-  padding: $spot-spacing-0_5
+  padding: 0 $spot-spacing-0_75
   border-width: 1px
   border-style: solid
   border-radius: $spot-spacing-1
@@ -14,6 +19,16 @@
   color: $spot-color-main
   cursor: pointer
 
+  .spot-icon
+    width: $spot-spacing-1_5
+    height: $spot-spacing-1_5
+
+    &:first-child
+      margin-left: calc(-1 * #{$spot-spacing-0_5} - 1px) // The border needs to be removed from this
+
+    &:last-child
+      margin-right: calc(-1 * #{$spot-spacing-0_5} - 1px) // The border needs to be removed from this
+
   &, *
     box-sizing: border-box
 
@@ -21,7 +36,7 @@
     background-color: $spot-color-basic-gray-6
     border-color: $spot-color-basic-gray-6
     color: $spot-color-main-dark
-    
+
   &:active
     background-color: $spot-color-basic-gray-6
     border-color: $spot-color-basic-gray-6
@@ -91,7 +106,7 @@
       background-color: $spot-color-basic-gray-6
       border-color: $spot-color-main
       color: $spot-color-main
-      
+
     &:active
       background-color: $spot-color-basic-white
       border-color: $spot-color-basic-white
@@ -106,7 +121,7 @@
       background-color: $spot-color-main-light
       border-color: $spot-color-main
       color: $spot-color-main
-      
+
     &:active
       background-color: $spot-color-main
       border-color: $spot-color-basic-white
@@ -121,7 +136,7 @@
       background-color: $spot-color-accent-light
       border-color: $spot-color-accent
       color: $spot-color-accent
-      
+
     &:active
       background-color: $spot-color-accent
       border-color: $spot-color-basic-white
@@ -136,7 +151,7 @@
       background-color: $spot-color-danger-light
       border-color: $spot-color-danger
       color: $spot-color-danger
-      
+
     &:active
       background-color: $spot-color-danger
       border-color: $spot-color-basic-white
@@ -158,7 +173,7 @@
 
     &:hover
       color: $spot-color-main-dark
-      
+
     &:active
       color: $spot-color-main
 
@@ -167,7 +182,7 @@
 
     &:hover
       color: $spot-color-accent-dark
-      
+
     &:active
       color: $spot-color-accent
 
@@ -176,7 +191,6 @@
 
     &:hover
       color: $spot-color-danger-dark
-      
+
     &:active
       color: $spot-color-danger
-
diff --git a/frontend/src/app/spot/styles/sass/blocks/checkbox.sass b/frontend/src/app/spot/styles/sass/components/checkbox.sass
similarity index 88%
rename from frontend/src/app/spot/styles/sass/blocks/checkbox.sass
rename to frontend/src/app/spot/styles/sass/components/checkbox.sass
index 9e22d0781f..9b49613788 100644
--- a/frontend/src/app/spot/styles/sass/blocks/checkbox.sass
+++ b/frontend/src/app/spot/styles/sass/components/checkbox.sass
@@ -16,6 +16,7 @@
     clip: rect(1px,1px,1px,1px)
 
   &--fake
+    position: relative
     box-sizing: border-box
     display: flex
     justify-content: center
@@ -36,6 +37,9 @@
     height: 2px
     background-color: $spot-color-main
 
+  &--input:checked + &--fake
+    background-color: $spot-color-main-light
+
   &--input:checked + &--fake::before,
   &--input:checked + &--fake::after
     border-radius: 1px
@@ -57,6 +61,9 @@
     border-color: $spot-color-basic-gray-3
     cursor: default
 
+  &--input:disabled:checked + &--fake
+    background-color: $spot-color-basic-gray-5
+
   &--input:disabled + &--fake::before,
   &--input:disabled + &--fake::after
     background-color: $spot-color-basic-gray-3
diff --git a/frontend/src/app/spot/styles/sass/blocks/chip-field.sass b/frontend/src/app/spot/styles/sass/components/chip-field.sass
similarity index 100%
rename from frontend/src/app/spot/styles/sass/blocks/chip-field.sass
rename to frontend/src/app/spot/styles/sass/components/chip-field.sass
diff --git a/frontend/src/app/spot/styles/sass/components/drop-modal.sass b/frontend/src/app/spot/styles/sass/components/drop-modal.sass
new file mode 100644
index 0000000000..77b68ac3d8
--- /dev/null
+++ b/frontend/src/app/spot/styles/sass/components/drop-modal.sass
@@ -0,0 +1,108 @@
+.spot-drop-modal
+  position: relative
+  display: inline-flex
+
+  &--body
+    @include spot-z-index("drop-modal", 1)
+    pointer-events: none
+    opacity: 0
+
+    position: fixed
+    top: auto
+    height: auto
+    bottom: $spot-spacing-3_5 
+    left: $spot-spacing-1
+    right: $spot-spacing-1
+    width: calc(100vw - (2 * #{$spot-spacing-1}))
+    max-height: calc(100vh - (#{$spot-spacing-3_5} + #{$spot-spacing-1}))
+
+    box-shadow: $spot-shadow-light-mid
+    background: $spot-color-basic-white
+    border-radius: 5px
+
+    display: flex
+    flex-direction: column
+
+    @media #{$spot-mq-landscape}
+      bottom: $spot-spacing-1 
+      right: $spot-spacing-3_5
+      max-height: calc(100vh - (2 * #{$spot-spacing-1}))
+      width: calc(100vw - (#{$spot-spacing-3_5} + #{$spot-spacing-1}))
+
+    @media #{$spot-mq-drop-modal-in-context}
+      position: absolute
+      top: unset
+      bottom: unset
+      left: unset
+      right: unset
+      width: auto
+      height: auto
+      max-width: calc(100vw - (2 * #{$spot-spacing-1}))
+      max-height: calc(100vh - (2 * #{$spot-spacing-1}))
+
+      &_bottom-center
+        top: calc(100% + #{$spot-spacing-0_25})
+        left: 50%
+        transform: translateX(-50%)
+
+      &_bottom-left
+        top: calc(100% + #{$spot-spacing-0_25})
+        left: 0%
+
+      &_bottom-right
+        top: calc(100% + #{$spot-spacing-0_25})
+        right: 0%
+
+      &_top-center
+        bottom: calc(100% + #{$spot-spacing-0_25})
+        left: 50%
+        transform: translateX(-50%)
+
+      &_top-left
+        bottom: calc(100% + #{$spot-spacing-0_25})
+        left: 0%
+
+      &_top-right
+        bottom: calc(100% + #{$spot-spacing-0_25})
+        right: 0%
+  
+  &_opened::before
+    @include spot-z-index("drop-modal", 0)
+    display: block
+    content: ''
+    position: fixed
+    top: 0
+    bottom: 0
+    left: 0
+    right: 0
+    background: rgba($spot-color-basic-black, 0.5)
+
+    @media #{$spot-mq-drop-modal-in-context}
+      display: none
+
+  &--close-button
+    display: none
+    position: fixed
+    top: auto
+    height: auto
+    bottom: $spot-spacing-0_75
+    width: calc(100% - 2 * $spot-spacing-1)
+    left: 50%
+    transform: translateX(-50%)
+    background-color: $spot-color-basic-white
+
+    @media #{$spot-mq-landscape}
+      left: unset
+      right: $spot-spacing-0_75
+      transform: none
+
+
+  &_opened &--close-button
+    display: block
+
+    @media #{$spot-mq-drop-modal-in-context}
+      display: none
+
+  &_opened &--body
+    pointer-events: all
+    opacity: 1
diff --git a/frontend/src/app/spot/styles/sass/blocks/filter-chip.sass b/frontend/src/app/spot/styles/sass/components/filter-chip.sass
similarity index 100%
rename from frontend/src/app/spot/styles/sass/blocks/filter-chip.sass
rename to frontend/src/app/spot/styles/sass/components/filter-chip.sass
diff --git a/frontend/src/app/spot/styles/sass/blocks/index.sass b/frontend/src/app/spot/styles/sass/components/index.sass
similarity index 94%
rename from frontend/src/app/spot/styles/sass/blocks/index.sass
rename to frontend/src/app/spot/styles/sass/components/index.sass
index 06767309bc..2630e2c329 100644
--- a/frontend/src/app/spot/styles/sass/blocks/index.sass
+++ b/frontend/src/app/spot/styles/sass/components/index.sass
@@ -9,4 +9,3 @@
 @import './drop-modal'
 @import './list'
 @import './action-bar'
-@import './body'
diff --git a/frontend/src/app/spot/styles/sass/blocks/list.sass b/frontend/src/app/spot/styles/sass/components/list.sass
similarity index 87%
rename from frontend/src/app/spot/styles/sass/blocks/list.sass
rename to frontend/src/app/spot/styles/sass/components/list.sass
index 9ca6fcee26..afd4210bf2 100644
--- a/frontend/src/app/spot/styles/sass/blocks/list.sass
+++ b/frontend/src/app/spot/styles/sass/components/list.sass
@@ -18,6 +18,10 @@
       border: 0
       cursor: pointer
 
+      &_disabled
+        color: $spot-color-basic-gray-3
+        cursor: default
+
     &-title
       &:not(:first-child)
         margin-left: $spot-spacing-0_5
diff --git a/frontend/src/app/spot/styles/sass/blocks/text-field.sass b/frontend/src/app/spot/styles/sass/components/text-field.sass
similarity index 62%
rename from frontend/src/app/spot/styles/sass/blocks/text-field.sass
rename to frontend/src/app/spot/styles/sass/components/text-field.sass
index 7897fa1096..c163d97ace 100644
--- a/frontend/src/app/spot/styles/sass/blocks/text-field.sass
+++ b/frontend/src/app/spot/styles/sass/components/text-field.sass
@@ -15,8 +15,9 @@
 
   &:focus,
   &:focus-within
-    border-color: $spot-color-main-dark
-    color: $spot-color-main-dark
+    border-color: $spot-color-indication-attention
+    color: $spot-color-basic-black
+    outline: none
 
   &--input
     background: transparent
@@ -30,3 +31,15 @@
 
     &:not(:last-child)
       margin-right: $spot-spacing-0_5
+
+  &--clear-button
+    border: 0
+    background: transparent
+    padding: 0
+    display: flex
+    align-items: center
+    font-size: $spot-spacing-0_75
+    color: $spot-color-basic-gray-3
+
+    &:not(:last-child)
+      margin-right: $spot-spacing-0_5
diff --git a/frontend/src/app/spot/styles/sass/blocks/toggle.sass b/frontend/src/app/spot/styles/sass/components/toggle.sass
similarity index 92%
rename from frontend/src/app/spot/styles/sass/blocks/toggle.sass
rename to frontend/src/app/spot/styles/sass/components/toggle.sass
index edffbbadf8..4d8cea3054 100644
--- a/frontend/src/app/spot/styles/sass/blocks/toggle.sass
+++ b/frontend/src/app/spot/styles/sass/components/toggle.sass
@@ -14,9 +14,9 @@
     padding: $spot-spacing-0_5
     border-width: 1px
     border-style: solid
-    border-color: $spot-color-main
+    border-color: $spot-color-main-dark
     background-color: transparent
-    color: $spot-color-main
+    color: $spot-color-main-dark
     cursor: pointer
 
     &:not(:last-child)
@@ -34,7 +34,6 @@
 
     &_selected
       background-color: $spot-color-main-light
-    
 
   &--option-input
     position: absolute
diff --git a/frontend/src/app/spot/styles/sass/index.sass b/frontend/src/app/spot/styles/sass/index.sass
index e815ae53f4..390f320700 100644
--- a/frontend/src/app/spot/styles/sass/index.sass
+++ b/frontend/src/app/spot/styles/sass/index.sass
@@ -1,4 +1,3 @@
 @import 'variables'
-@import 'typography'
-@import 'zindex'
-@import 'blocks'
+@import 'common'
+@import 'components'
diff --git a/frontend/src/app/spot/styles/sass/variables.sass b/frontend/src/app/spot/styles/sass/variables.sass
deleted file mode 100644
index f0005a570d..0000000000
--- a/frontend/src/app/spot/styles/sass/variables.sass
+++ /dev/null
@@ -1 +0,0 @@
-@import '../tokens/dist/tokens.sass'
diff --git a/frontend/src/app/spot/styles/sass/variables/index.sass b/frontend/src/app/spot/styles/sass/variables/index.sass
new file mode 100644
index 0000000000..03211e8836
--- /dev/null
+++ b/frontend/src/app/spot/styles/sass/variables/index.sass
@@ -0,0 +1,3 @@
+@import '../../tokens/dist/tokens'
+@import 'typography'
+@import 'zindex'
diff --git a/frontend/src/app/spot/styles/sass/typography.sass b/frontend/src/app/spot/styles/sass/variables/typography.sass
similarity index 88%
rename from frontend/src/app/spot/styles/sass/typography.sass
rename to frontend/src/app/spot/styles/sass/variables/typography.sass
index c9627613fe..903b777219 100644
--- a/frontend/src/app/spot/styles/sass/typography.sass
+++ b/frontend/src/app/spot/styles/sass/variables/typography.sass
@@ -3,29 +3,29 @@
   font-size: 2rem
   font-weight: $weight
   font-style: $style
-  line-height: 1.2em
-  
+  line-height: 2.4em
+
 @mixin spot-header-small($weight: bold, $style: normal)
   font-family: Lato, sans-serif
   font-size: 1.5rem
   font-weight: $weight
   font-style: $style
-  line-height: 1.2em
-  
+  line-height: 1.8rem
+
 @mixin spot-subheader-big($weight: bold, $style: normal)
   font-family: Lato, sans-serif
   font-size: 1.25rem
   font-weight: $weight
   font-style: $style
-  line-height: 1.2em
-  
+  line-height: 1.5rem
+
 @mixin spot-subheader-small($weight: bold, $style: normal)
   font-family: Lato, sans-serif
   font-size: 1.125rem
   font-weight: $weight
   font-style: $style
-  line-height: 1.2em
-  
+  line-height: 1.35rem
+
 @mixin spot-body-big($weight: normal, $style: normal)
   font-family: Lato, sans-serif
   font-size: 1rem
@@ -38,11 +38,11 @@
   font-size: 0.875rem
   font-weight: $weight
   font-style: $style
-  line-height: 1.2em
+  line-height: 1rem
 
 @mixin spot-caption($weight: normal, $style: normal)
   font-family: Lato, sans-serif
   font-size: 0.75rem
   font-weight: $weight
   font-style: $style
-  line-height: 1.2em
+  line-height: 0.9rem
diff --git a/frontend/src/app/spot/styles/sass/zindex.sass b/frontend/src/app/spot/styles/sass/variables/zindex.sass
similarity index 68%
rename from frontend/src/app/spot/styles/sass/zindex.sass
rename to frontend/src/app/spot/styles/sass/variables/zindex.sass
index b891ac6bba..b9bffc5c7b 100644
--- a/frontend/src/app/spot/styles/sass/zindex.sass
+++ b/frontend/src/app/spot/styles/sass/variables/zindex.sass
@@ -1,6 +1,6 @@
 @use "sass:map"
 
-$spot-z-indexes: ( "drop-modal": 1000 )
+$spot-z-indexes: ( "header": 20, "drop-modal": 1000)
 
 @mixin spot-z-index($type, $addition: 0)
   z-index: map.get($spot-z-indexes, $type) + $addition
diff --git a/frontend/src/app/spot/styles/tokens/colors.yml b/frontend/src/app/spot/styles/tokens/colors.yml
index f35bbeac76..ff31a8e1f3 100644
--- a/frontend/src/app/spot/styles/tokens/colors.yml
+++ b/frontend/src/app/spot/styles/tokens/colors.yml
@@ -37,7 +37,7 @@ props:
   - name: spot-color-danger-light
     value: "#F4ABA9"
 
-  - name: spot-color-indication-notification
+  - name: spot-color-indication-attention
     value: "#00A3FF"
   - name: spot-color-indication-flagged
     value: "#1CB6C0"
diff --git a/frontend/src/app/spot/styles/tokens/dist/tokens.json b/frontend/src/app/spot/styles/tokens/dist/tokens.json
index 52e295cc39..470f32b13c 100644
--- a/frontend/src/app/spot/styles/tokens/dist/tokens.json
+++ b/frontend/src/app/spot/styles/tokens/dist/tokens.json
@@ -16,7 +16,7 @@
   "spot-color-danger": "rgb(208, 17, 0)",
   "spot-color-danger-dark": "rgb(125, 0, 13)",
   "spot-color-danger-light": "rgb(244, 171, 169)",
-  "spot-color-indication-notification": "rgb(0, 163, 255)",
+  "spot-color-indication-attention": "rgb(0, 163, 255)",
   "spot-color-indication-flagged": "rgb(28, 182, 192)",
   "spot-color-indication-current-date": "rgb(255, 255, 225)",
   "spot-color-feedback-error-dark": "rgb(202, 63, 63)",
@@ -53,5 +53,8 @@
   "spot-shadow-light-high": "6px 6px 20px rgba(0, 0, 0, 0.15)",
   "spot-shadow-hard-low": "2px 2px 5px rgba(0, 0, 0, 0.25)",
   "spot-shadow-hard-mid": "4px 4px 10px rgba(0, 0, 0, 0.25)",
-  "spot-shadow-hard-high": "6px 6px 20px rgba(0, 0, 0, 0.25)"
+  "spot-shadow-hard-high": "6px 6px 20px rgba(0, 0, 0, 0.25)",
+  "spot-mq-portrait": "'(orientation: portrait)'",
+  "spot-mq-landscape": "'(orientation: landscape)'",
+  "spot-mq-drop-modal-in-context": "'(min-width: 680px) and (min-height: 500px)'"
 }
\ No newline at end of file
diff --git a/frontend/src/app/spot/styles/tokens/dist/tokens.sass b/frontend/src/app/spot/styles/tokens/dist/tokens.sass
index e7ba295450..7196dd84ca 100644
--- a/frontend/src/app/spot/styles/tokens/dist/tokens.sass
+++ b/frontend/src/app/spot/styles/tokens/dist/tokens.sass
@@ -16,7 +16,7 @@ $spot-color-accent-light: rgb(191, 238, 182)
 $spot-color-danger: rgb(208, 17, 0)
 $spot-color-danger-dark: rgb(125, 0, 13)
 $spot-color-danger-light: rgb(244, 171, 169)
-$spot-color-indication-notification: rgb(0, 163, 255)
+$spot-color-indication-attention: rgb(0, 163, 255)
 $spot-color-indication-flagged: rgb(28, 182, 192)
 $spot-color-indication-current-date: rgb(255, 255, 225)
 $spot-color-feedback-error-dark: rgb(202, 63, 63)
@@ -54,3 +54,6 @@ $spot-shadow-light-high: 6px 6px 20px rgba(0, 0, 0, 0.15)
 $spot-shadow-hard-low: 2px 2px 5px rgba(0, 0, 0, 0.25)
 $spot-shadow-hard-mid: 4px 4px 10px rgba(0, 0, 0, 0.25)
 $spot-shadow-hard-high: 6px 6px 20px rgba(0, 0, 0, 0.25)
+$spot-mq-portrait: '(orientation: portrait)'
+$spot-mq-landscape: '(orientation: landscape)'
+$spot-mq-drop-modal-in-context: '(min-width: 680px) and (min-height: 500px)'
diff --git a/frontend/src/app/spot/styles/tokens/media-queries.yml b/frontend/src/app/spot/styles/tokens/media-queries.yml
new file mode 100644
index 0000000000..4924d09a4b
--- /dev/null
+++ b/frontend/src/app/spot/styles/tokens/media-queries.yml
@@ -0,0 +1,10 @@
+props:
+  spot-mq-landscape:
+    value: "'(orientation: landscape)'"
+
+  spot-mq-drop-modal-in-context:
+    value: "'(min-width: 1000px) and (min-height: 500px)'"
+
+global:
+  type: media-query
+  category: media-query
diff --git a/frontend/src/app/spot/styles/tokens/tokens.yml b/frontend/src/app/spot/styles/tokens/tokens.yml
index 1812f8a13f..588003217d 100644
--- a/frontend/src/app/spot/styles/tokens/tokens.yml
+++ b/frontend/src/app/spot/styles/tokens/tokens.yml
@@ -2,3 +2,4 @@ imports:
   - ./colors.yml
   - ./spacings.yml
   - ./shadows.yml
+  - ./media-queries.yml
diff --git a/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.eot b/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.eot
new file mode 100644
index 0000000000..764f1e6466
Binary files /dev/null and b/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.eot differ
diff --git a/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.ttf b/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.ttf
index b0983fafd5..0c72fc957f 100644
Binary files a/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.ttf and b/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.ttf differ
diff --git a/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.woff b/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.woff
index ce7169e16f..cc4b17b7e1 100644
Binary files a/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.woff and b/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.woff differ
diff --git a/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.woff2 b/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.woff2
index 3cf708db67..cbcc759d11 100644
Binary files a/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.woff2 and b/frontend/src/assets/fonts/openproject_icon/openproject-icon-font.woff2 differ
diff --git a/frontend/src/global_styles/common/header/app-header.sass b/frontend/src/global_styles/common/header/app-header.sass
index 5bfedaf970..27c2110b92 100644
--- a/frontend/src/global_styles/common/header/app-header.sass
+++ b/frontend/src/global_styles/common/header/app-header.sass
@@ -7,7 +7,7 @@
   height: var(--header-height)
   padding: 0
   position: relative
-  z-index: 22
+  @include spot-z-index("header")
   border-bottom-style: solid
   border-bottom-width: var(--header-border-bottom-width)
   border-bottom-color: var(--header-border-bottom-color)
diff --git a/frontend/src/global_styles/content/_enterprise.sass b/frontend/src/global_styles/content/_enterprise.sass
index 8c900e8299..cca0353848 100644
--- a/frontend/src/global_styles/content/_enterprise.sass
+++ b/frontend/src/global_styles/content/_enterprise.sass
@@ -1,21 +1,28 @@
 @import '../../app/spot/styles/sass/variables'
 
 .upsale-notification
-  max-width: 900px
+  max-width: 1000px
   margin: auto
   padding-top: 20px
   text-align: center
 
+
   .widget-box--teaser-image
     width: 100%
-    max-height: 500px
-    padding: 20px
+    height: 40vh
+    margin-bottom: 20px
+    border: 1px solid $spot-color-main-dark
+    border-radius: 20px
+  
+  .widget-box--teaser-image_default
+    width: 30%
     margin-bottom: 20px
     border: 1px solid $spot-color-main-dark
     border-radius: 20px
     
   .widget-box--teaser-video
     width: 100%
+    height: 40vh
     margin-bottom: 20px
     border: 1px solid $spot-color-main-dark
     border-radius: 20px
diff --git a/frontend/src/global_styles/content/_forms.sass b/frontend/src/global_styles/content/_forms.sass
index 4756dbe80e..012845101c 100644
--- a/frontend/src/global_styles/content/_forms.sass
+++ b/frontend/src/global_styles/content/_forms.sass
@@ -484,6 +484,9 @@ fieldset.form--fieldset
   &.-no-italic
     font-style: normal
 
+  &.-labeled-checkbox
+    margin-left: 25px
+
 .form--inline-instructions
   font-style: italic
   display: inline
diff --git a/frontend/src/global_styles/content/_loading_indicator.sass b/frontend/src/global_styles/content/_loading_indicator.sass
index 34bb95554e..f5bc6106f4 100644
--- a/frontend/src/global_styles/content/_loading_indicator.sass
+++ b/frontend/src/global_styles/content/_loading_indicator.sass
@@ -59,7 +59,8 @@
     margin: 20px auto
 
   &.-small
-    height: 34px
+    width: 40px
+    height: 24px
     margin: 0
     text-align: left
 
diff --git a/frontend/src/global_styles/content/_sidebar.sass b/frontend/src/global_styles/content/_sidebar.sass
index 72436588fa..27569aa52e 100644
--- a/frontend/src/global_styles/content/_sidebar.sass
+++ b/frontend/src/global_styles/content/_sidebar.sass
@@ -13,5 +13,6 @@
       padding-bottom: 10px
 
   &--footer
+    display: grid
     text-align: center
-    padding: 16px
+    padding: 1rem 2.5rem
diff --git a/frontend/src/global_styles/content/_toast.sass b/frontend/src/global_styles/content/_toast.sass
index 269574bde0..7520ae0448 100644
--- a/frontend/src/global_styles/content/_toast.sass
+++ b/frontend/src/global_styles/content/_toast.sass
@@ -173,9 +173,9 @@ $nm-upload-box-padding: rem-calc(15) rem-calc(25)
 
   //@hack adapting to provided styles
   //messy I dont have all the details for a magic resolve, this might change
-  & p, & ul
+  & p, & div, & ul
     margin-bottom: 0
-  & p, & ul>li, & .button
+  & p, & div, & ul>li, & .button
     font-size: $nm-font-size
 
 
@@ -225,6 +225,7 @@ $nm-upload-box-padding: rem-calc(15) rem-calc(25)
   .op-toast--content
     width: 100%
 
+    > div,
     > p
       margin-bottom: 0
       color: var(--body-font-color)
@@ -239,6 +240,14 @@ $nm-upload-box-padding: rem-calc(15) rem-calc(25)
       &::-webkit-progress-value
         border-radius: $nm-pb-border-radius
 
+.op-toast.-loading
+  width: 150px
+  margin: 0 auto
+
+  .op-toast--content
+    display: flex
+    align-items: center
+
 // upload toaster styles
 %progress-styles
   appearance: none
diff --git a/frontend/src/global_styles/content/modules/_team_planner.sass b/frontend/src/global_styles/content/modules/_team_planner.sass
index d35a523c54..cb8cfc94c1 100644
--- a/frontend/src/global_styles/content/modules/_team_planner.sass
+++ b/frontend/src/global_styles/content/modules/_team_planner.sass
@@ -10,7 +10,7 @@
       .fc-resourceTimelineWeek-button,
       .fc-resourceTimelineTwoWeeks-button,
       .fc-today-button
-        display: none
+        display: none !important
 
 .op-team-planner
   --fc-border-color: #cccccc
@@ -30,3 +30,7 @@
   .fc-event-dragging
     .op-wp-single-card--content-inline-date
       visibility: hidden
+
+  .op-team-planner--wp-loading-skeleton
+    svg
+      height: 80px
\ No newline at end of file
diff --git a/frontend/src/global_styles/fonts/_openproject_icon_definitions.sass b/frontend/src/global_styles/fonts/_openproject_icon_definitions.sass
new file mode 100644
index 0000000000..c0d9c01f81
--- /dev/null
+++ b/frontend/src/global_styles/fonts/_openproject_icon_definitions.sass
@@ -0,0 +1,1876 @@
+
+@mixin icon-mixin-accessibility 
+  content: "\f101"
+
+.icon-accessibility:before
+  content: "\f101"
+
+
+@mixin icon-mixin-accountable 
+  content: "\f102"
+
+.icon-accountable:before
+  content: "\f102"
+
+
+@mixin icon-mixin-add 
+  content: "\f103"
+
+.icon-add:before
+  content: "\f103"
+
+
+@mixin icon-mixin-align-center 
+  content: "\f104"
+
+.icon-align-center:before
+  content: "\f104"
+
+
+@mixin icon-mixin-align-justify 
+  content: "\f105"
+
+.icon-align-justify:before
+  content: "\f105"
+
+
+@mixin icon-mixin-align-left 
+  content: "\f106"
+
+.icon-align-left:before
+  content: "\f106"
+
+
+@mixin icon-mixin-align-right 
+  content: "\f107"
+
+.icon-align-right:before
+  content: "\f107"
+
+
+@mixin icon-mixin-arrow-down1 
+  content: "\f108"
+
+.icon-arrow-down1:before
+  content: "\f108"
+
+
+@mixin icon-mixin-arrow-down2 
+  content: "\f109"
+
+.icon-arrow-down2:before
+  content: "\f109"
+
+
+@mixin icon-mixin-arrow-left-right 
+  content: "\f10a"
+
+.icon-arrow-left-right:before
+  content: "\f10a"
+
+
+@mixin icon-mixin-arrow-left1 
+  content: "\f10b"
+
+.icon-arrow-left1:before
+  content: "\f10b"
+
+
+@mixin icon-mixin-arrow-left2 
+  content: "\f10c"
+
+.icon-arrow-left2:before
+  content: "\f10c"
+
+
+@mixin icon-mixin-arrow-left3 
+  content: "\f10d"
+
+.icon-arrow-left3:before
+  content: "\f10d"
+
+
+@mixin icon-mixin-arrow-left4 
+  content: "\f10e"
+
+.icon-arrow-left4:before
+  content: "\f10e"
+
+
+@mixin icon-mixin-arrow-right2 
+  content: "\f10f"
+
+.icon-arrow-right2:before
+  content: "\f10f"
+
+
+@mixin icon-mixin-arrow-right3 
+  content: "\f110"
+
+.icon-arrow-right3:before
+  content: "\f110"
+
+
+@mixin icon-mixin-arrow-right4 
+  content: "\f111"
+
+.icon-arrow-right4:before
+  content: "\f111"
+
+
+@mixin icon-mixin-arrow-right5 
+  content: "\f112"
+
+.icon-arrow-right5:before
+  content: "\f112"
+
+
+@mixin icon-mixin-arrow-right6 
+  content: "\f113"
+
+.icon-arrow-right6:before
+  content: "\f113"
+
+
+@mixin icon-mixin-arrow-right7 
+  content: "\f114"
+
+.icon-arrow-right7:before
+  content: "\f114"
+
+
+@mixin icon-mixin-arrow-thin 
+  content: "\f115"
+
+.icon-arrow-thin:before
+  content: "\f115"
+
+
+@mixin icon-mixin-arrow-up1 
+  content: "\f116"
+
+.icon-arrow-up1:before
+  content: "\f116"
+
+
+@mixin icon-mixin-arrow-up2 
+  content: "\f117"
+
+.icon-arrow-up2:before
+  content: "\f117"
+
+
+@mixin icon-mixin-assigned-to-me 
+  content: "\f118"
+
+.icon-assigned-to-me:before
+  content: "\f118"
+
+
+@mixin icon-mixin-assigned 
+  content: "\f119"
+
+.icon-assigned:before
+  content: "\f119"
+
+
+@mixin icon-mixin-attachment 
+  content: "\f11a"
+
+.icon-attachment:before
+  content: "\f11a"
+
+
+@mixin icon-mixin-attention 
+  content: "\f11b"
+
+.icon-attention:before
+  content: "\f11b"
+
+
+@mixin icon-mixin-back-up 
+  content: "\f11c"
+
+.icon-back-up:before
+  content: "\f11c"
+
+
+@mixin icon-mixin-backlogs 
+  content: "\f11d"
+
+.icon-backlogs:before
+  content: "\f11d"
+
+
+@mixin icon-mixin-bcf 
+  content: "\f11e"
+
+.icon-bcf:before
+  content: "\f11e"
+
+
+@mixin icon-mixin-bell 
+  content: "\f11f"
+
+.icon-bell:before
+  content: "\f11f"
+
+
+@mixin icon-mixin-billing-information 
+  content: "\f120"
+
+.icon-billing-information:before
+  content: "\f120"
+
+
+@mixin icon-mixin-boards 
+  content: "\f121"
+
+.icon-boards:before
+  content: "\f121"
+
+
+@mixin icon-mixin-bold 
+  content: "\f122"
+
+.icon-bold:before
+  content: "\f122"
+
+
+@mixin icon-mixin-budget 
+  content: "\f123"
+
+.icon-budget:before
+  content: "\f123"
+
+
+@mixin icon-mixin-bug 
+  content: "\f124"
+
+.icon-bug:before
+  content: "\f124"
+
+
+@mixin icon-mixin-calendar 
+  content: "\f125"
+
+.icon-calendar:before
+  content: "\f125"
+
+
+@mixin icon-mixin-calendar2 
+  content: "\f126"
+
+.icon-calendar2:before
+  content: "\f126"
+
+
+@mixin icon-mixin-camera 
+  content: "\f127"
+
+.icon-camera:before
+  content: "\f127"
+
+
+@mixin icon-mixin-cancel 
+  content: "\f128"
+
+.icon-cancel:before
+  content: "\f128"
+
+
+@mixin icon-mixin-cart 
+  content: "\f129"
+
+.icon-cart:before
+  content: "\f129"
+
+
+@mixin icon-mixin-changeset-down 
+  content: "\f12a"
+
+.icon-changeset-down:before
+  content: "\f12a"
+
+
+@mixin icon-mixin-changeset-up 
+  content: "\f12b"
+
+.icon-changeset-up:before
+  content: "\f12b"
+
+
+@mixin icon-mixin-changeset 
+  content: "\f12c"
+
+.icon-changeset:before
+  content: "\f12c"
+
+
+@mixin icon-mixin-chart1 
+  content: "\f12d"
+
+.icon-chart1:before
+  content: "\f12d"
+
+
+@mixin icon-mixin-chart2 
+  content: "\f12e"
+
+.icon-chart2:before
+  content: "\f12e"
+
+
+@mixin icon-mixin-chart3 
+  content: "\f12f"
+
+.icon-chart3:before
+  content: "\f12f"
+
+
+@mixin icon-mixin-checkmark 
+  content: "\f130"
+
+.icon-checkmark:before
+  content: "\f130"
+
+
+@mixin icon-mixin-close 
+  content: "\f131"
+
+.icon-close:before
+  content: "\f131"
+
+
+@mixin icon-mixin-code-tag 
+  content: "\f132"
+
+.icon-code-tag:before
+  content: "\f132"
+
+
+@mixin icon-mixin-color-text 
+  content: "\f133"
+
+.icon-color-text:before
+  content: "\f133"
+
+
+@mixin icon-mixin-color-underline 
+  content: "\f134"
+
+.icon-color-underline:before
+  content: "\f134"
+
+
+@mixin icon-mixin-column-left 
+  content: "\f135"
+
+.icon-column-left:before
+  content: "\f135"
+
+
+@mixin icon-mixin-column-right 
+  content: "\f136"
+
+.icon-column-right:before
+  content: "\f136"
+
+
+@mixin icon-mixin-columns 
+  content: "\f137"
+
+.icon-columns:before
+  content: "\f137"
+
+
+@mixin icon-mixin-compare2 
+  content: "\f138"
+
+.icon-compare2:before
+  content: "\f138"
+
+
+@mixin icon-mixin-concept 
+  content: "\f139"
+
+.icon-concept:before
+  content: "\f139"
+
+
+@mixin icon-mixin-console-light 
+  content: "\f13a"
+
+.icon-console-light:before
+  content: "\f13a"
+
+
+@mixin icon-mixin-console 
+  content: "\f13b"
+
+.icon-console:before
+  content: "\f13b"
+
+
+@mixin icon-mixin-contacts 
+  content: "\f13c"
+
+.icon-contacts:before
+  content: "\f13c"
+
+
+@mixin icon-mixin-copy 
+  content: "\f13d"
+
+.icon-copy:before
+  content: "\f13d"
+
+
+@mixin icon-mixin-cost-reports 
+  content: "\f13e"
+
+.icon-cost-reports:before
+  content: "\f13e"
+
+
+@mixin icon-mixin-cost-types 
+  content: "\f13f"
+
+.icon-cost-types:before
+  content: "\f13f"
+
+
+@mixin icon-mixin-cursor 
+  content: "\f140"
+
+.icon-cursor:before
+  content: "\f140"
+
+
+@mixin icon-mixin-custom-development 
+  content: "\f141"
+
+.icon-custom-development:before
+  content: "\f141"
+
+
+@mixin icon-mixin-custom-fields 
+  content: "\f142"
+
+.icon-custom-fields:before
+  content: "\f142"
+
+
+@mixin icon-mixin-cut 
+  content: "\f143"
+
+.icon-cut:before
+  content: "\f143"
+
+
+@mixin icon-mixin-delete-folder 
+  content: "\f144"
+
+.icon-delete-folder:before
+  content: "\f144"
+
+
+@mixin icon-mixin-delete 
+  content: "\f145"
+
+.icon-delete:before
+  content: "\f145"
+
+
+@mixin icon-mixin-dependency 
+  content: "\f146"
+
+.icon-dependency:before
+  content: "\f146"
+
+
+@mixin icon-mixin-design 
+  content: "\f147"
+
+.icon-design:before
+  content: "\f147"
+
+
+@mixin icon-mixin-double-arrow-left 
+  content: "\f148"
+
+.icon-double-arrow-left:before
+  content: "\f148"
+
+
+@mixin icon-mixin-double-arrow-right 
+  content: "\f149"
+
+.icon-double-arrow-right:before
+  content: "\f149"
+
+
+@mixin icon-mixin-download 
+  content: "\f14a"
+
+.icon-download:before
+  content: "\f14a"
+
+
+@mixin icon-mixin-drag-handle 
+  content: "\f14b"
+
+.icon-drag-handle:before
+  content: "\f14b"
+
+
+@mixin icon-mixin-duplicate 
+  content: "\f14c"
+
+.icon-duplicate:before
+  content: "\f14c"
+
+
+@mixin icon-mixin-edit 
+  content: "\f14d"
+
+.icon-edit:before
+  content: "\f14d"
+
+
+@mixin icon-mixin-email-alert 
+  content: "\f14e"
+
+.icon-email-alert:before
+  content: "\f14e"
+
+
+@mixin icon-mixin-enterprise 
+  content: "\f14f"
+
+.icon-enterprise:before
+  content: "\f14f"
+
+
+@mixin icon-mixin-enumerations 
+  content: "\f150"
+
+.icon-enumerations:before
+  content: "\f150"
+
+
+@mixin icon-mixin-error 
+  content: "\f151"
+
+.icon-error:before
+  content: "\f151"
+
+
+@mixin icon-mixin-export-atom 
+  content: "\f152"
+
+.icon-export-atom:before
+  content: "\f152"
+
+
+@mixin icon-mixin-export-bcf 
+  content: "\f153"
+
+.icon-export-bcf:before
+  content: "\f153"
+
+
+@mixin icon-mixin-export-csv 
+  content: "\f154"
+
+.icon-export-csv:before
+  content: "\f154"
+
+
+@mixin icon-mixin-export-pdf-descr 
+  content: "\f155"
+
+.icon-export-pdf-descr:before
+  content: "\f155"
+
+
+@mixin icon-mixin-export-pdf-with-descriptions 
+  content: "\f156"
+
+.icon-export-pdf-with-descriptions:before
+  content: "\f156"
+
+
+@mixin icon-mixin-export-pdf 
+  content: "\f157"
+
+.icon-export-pdf:before
+  content: "\f157"
+
+
+@mixin icon-mixin-export-xls-descr 
+  content: "\f158"
+
+.icon-export-xls-descr:before
+  content: "\f158"
+
+
+@mixin icon-mixin-export-xls-with-descriptions 
+  content: "\f159"
+
+.icon-export-xls-with-descriptions:before
+  content: "\f159"
+
+
+@mixin icon-mixin-export-xls-with-relations 
+  content: "\f15a"
+
+.icon-export-xls-with-relations:before
+  content: "\f15a"
+
+
+@mixin icon-mixin-export-xls 
+  content: "\f15b"
+
+.icon-export-xls:before
+  content: "\f15b"
+
+
+@mixin icon-mixin-export 
+  content: "\f15c"
+
+.icon-export:before
+  content: "\f15c"
+
+
+@mixin icon-mixin-external-link 
+  content: "\f15d"
+
+.icon-external-link:before
+  content: "\f15d"
+
+
+@mixin icon-mixin-faq 
+  content: "\f15e"
+
+.icon-faq:before
+  content: "\f15e"
+
+
+@mixin icon-mixin-filter 
+  content: "\f15f"
+
+.icon-filter:before
+  content: "\f15f"
+
+
+@mixin icon-mixin-flag 
+  content: "\f160"
+
+.icon-flag:before
+  content: "\f160"
+
+
+@mixin icon-mixin-folder-add 
+  content: "\f161"
+
+.icon-folder-add:before
+  content: "\f161"
+
+
+@mixin icon-mixin-folder-locked 
+  content: "\f162"
+
+.icon-folder-locked:before
+  content: "\f162"
+
+
+@mixin icon-mixin-folder-open 
+  content: "\f163"
+
+.icon-folder-open:before
+  content: "\f163"
+
+
+@mixin icon-mixin-folder-remove 
+  content: "\f164"
+
+.icon-folder-remove:before
+  content: "\f164"
+
+
+@mixin icon-mixin-folder 
+  content: "\f165"
+
+.icon-folder:before
+  content: "\f165"
+
+
+@mixin icon-mixin-forums 
+  content: "\f166"
+
+.icon-forums:before
+  content: "\f166"
+
+
+@mixin icon-mixin-from-fullscreen 
+  content: "\f167"
+
+.icon-from-fullscreen:before
+  content: "\f167"
+
+
+@mixin icon-mixin-getting-started 
+  content: "\f168"
+
+.icon-getting-started:before
+  content: "\f168"
+
+
+@mixin icon-mixin-glossar 
+  content: "\f169"
+
+.icon-glossar:before
+  content: "\f169"
+
+
+@mixin icon-mixin-google-plus 
+  content: "\f16a"
+
+.icon-google-plus:before
+  content: "\f16a"
+
+
+@mixin icon-mixin-group-by 
+  content: "\f16b"
+
+.icon-group-by:before
+  content: "\f16b"
+
+
+@mixin icon-mixin-group 
+  content: "\f16c"
+
+.icon-group:before
+  content: "\f16c"
+
+
+@mixin icon-mixin-hamburger 
+  content: "\f16d"
+
+.icon-hamburger:before
+  content: "\f16d"
+
+
+@mixin icon-mixin-headline1 
+  content: "\f16e"
+
+.icon-headline1:before
+  content: "\f16e"
+
+
+@mixin icon-mixin-headline2 
+  content: "\f16f"
+
+.icon-headline2:before
+  content: "\f16f"
+
+
+@mixin icon-mixin-headline3 
+  content: "\f170"
+
+.icon-headline3:before
+  content: "\f170"
+
+
+@mixin icon-mixin-headset 
+  content: "\f171"
+
+.icon-headset:before
+  content: "\f171"
+
+
+@mixin icon-mixin-help 
+  content: "\f172"
+
+.icon-help:before
+  content: "\f172"
+
+
+@mixin icon-mixin-help1 
+  content: "\f173"
+
+.icon-help1:before
+  content: "\f173"
+
+
+@mixin icon-mixin-help2 
+  content: "\f174"
+
+.icon-help2:before
+  content: "\f174"
+
+
+@mixin icon-mixin-hierarchy 
+  content: "\f175"
+
+.icon-hierarchy:before
+  content: "\f175"
+
+
+@mixin icon-mixin-home 
+  content: "\f176"
+
+.icon-home:before
+  content: "\f176"
+
+
+@mixin icon-mixin-hosting 
+  content: "\f177"
+
+.icon-hosting:before
+  content: "\f177"
+
+
+@mixin icon-mixin-ifc 
+  content: "\f178"
+
+.icon-ifc:before
+  content: "\f178"
+
+
+@mixin icon-mixin-image1 
+  content: "\f179"
+
+.icon-image1:before
+  content: "\f179"
+
+
+@mixin icon-mixin-image2 
+  content: "\f17a"
+
+.icon-image2:before
+  content: "\f17a"
+
+
+@mixin icon-mixin-import 
+  content: "\f17b"
+
+.icon-import:before
+  content: "\f17b"
+
+
+@mixin icon-mixin-inbox 
+  content: "\f17c"
+
+.icon-inbox:before
+  content: "\f17c"
+
+
+@mixin icon-mixin-info1 
+  content: "\f17d"
+
+.icon-info1:before
+  content: "\f17d"
+
+
+@mixin icon-mixin-info2 
+  content: "\f17e"
+
+.icon-info2:before
+  content: "\f17e"
+
+
+@mixin icon-mixin-input-disabled 
+  content: "\f17f"
+
+.icon-input-disabled:before
+  content: "\f17f"
+
+
+@mixin icon-mixin-installation-services 
+  content: "\f180"
+
+.icon-installation-services:before
+  content: "\f180"
+
+
+@mixin icon-mixin-italic 
+  content: "\f181"
+
+.icon-italic:before
+  content: "\f181"
+
+
+@mixin icon-mixin-key 
+  content: "\f182"
+
+.icon-key:before
+  content: "\f182"
+
+
+@mixin icon-mixin-link 
+  content: "\f183"
+
+.icon-link:before
+  content: "\f183"
+
+
+@mixin icon-mixin-loading1 
+  content: "\f184"
+
+.icon-loading1:before
+  content: "\f184"
+
+
+@mixin icon-mixin-loading2 
+  content: "\f185"
+
+.icon-loading2:before
+  content: "\f185"
+
+
+@mixin icon-mixin-location 
+  content: "\f186"
+
+.icon-location:before
+  content: "\f186"
+
+
+@mixin icon-mixin-locked 
+  content: "\f187"
+
+.icon-locked:before
+  content: "\f187"
+
+
+@mixin icon-mixin-logout 
+  content: "\f188"
+
+.icon-logout:before
+  content: "\f188"
+
+
+@mixin icon-mixin-mail1 
+  content: "\f189"
+
+.icon-mail1:before
+  content: "\f189"
+
+
+@mixin icon-mixin-mail2 
+  content: "\f18a"
+
+.icon-mail2:before
+  content: "\f18a"
+
+
+@mixin icon-mixin-maintenance-support 
+  content: "\f18b"
+
+.icon-maintenance-support:before
+  content: "\f18b"
+
+
+@mixin icon-mixin-mark-all-read 
+  content: "\f18c"
+
+.icon-mark-all-read:before
+  content: "\f18c"
+
+
+@mixin icon-mixin-mark-read 
+  content: "\f18d"
+
+.icon-mark-read:before
+  content: "\f18d"
+
+
+@mixin icon-mixin-medal 
+  content: "\f18e"
+
+.icon-medal:before
+  content: "\f18e"
+
+
+@mixin icon-mixin-meetings 
+  content: "\f18f"
+
+.icon-meetings:before
+  content: "\f18f"
+
+
+@mixin icon-mixin-mention 
+  content: "\f190"
+
+.icon-mention:before
+  content: "\f190"
+
+
+@mixin icon-mixin-menu 
+  content: "\f191"
+
+.icon-menu:before
+  content: "\f191"
+
+
+@mixin icon-mixin-merge-branch 
+  content: "\f192"
+
+.icon-merge-branch:before
+  content: "\f192"
+
+
+@mixin icon-mixin-microphone 
+  content: "\f193"
+
+.icon-microphone:before
+  content: "\f193"
+
+
+@mixin icon-mixin-milestone 
+  content: "\f194"
+
+.icon-milestone:before
+  content: "\f194"
+
+
+@mixin icon-mixin-minus1 
+  content: "\f195"
+
+.icon-minus1:before
+  content: "\f195"
+
+
+@mixin icon-mixin-minus2 
+  content: "\f196"
+
+.icon-minus2:before
+  content: "\f196"
+
+
+@mixin icon-mixin-mobile 
+  content: "\f197"
+
+.icon-mobile:before
+  content: "\f197"
+
+
+@mixin icon-mixin-modules 
+  content: "\f198"
+
+.icon-modules:before
+  content: "\f198"
+
+
+@mixin icon-mixin-more 
+  content: "\f199"
+
+.icon-more:before
+  content: "\f199"
+
+
+@mixin icon-mixin-move 
+  content: "\f19a"
+
+.icon-move:before
+  content: "\f19a"
+
+
+@mixin icon-mixin-movie 
+  content: "\f19b"
+
+.icon-movie:before
+  content: "\f19b"
+
+
+@mixin icon-mixin-music 
+  content: "\f19c"
+
+.icon-music:before
+  content: "\f19c"
+
+
+@mixin icon-mixin-new-planning-element 
+  content: "\f19d"
+
+.icon-new-planning-element:before
+  content: "\f19d"
+
+
+@mixin icon-mixin-news 
+  content: "\f19e"
+
+.icon-news:before
+  content: "\f19e"
+
+
+@mixin icon-mixin-no-hierarchy 
+  content: "\f19f"
+
+.icon-no-hierarchy:before
+  content: "\f19f"
+
+
+@mixin icon-mixin-no-zen-mode 
+  content: "\f1a0"
+
+.icon-no-zen-mode:before
+  content: "\f1a0"
+
+
+@mixin icon-mixin-not-supported 
+  content: "\f1a1"
+
+.icon-not-supported:before
+  content: "\f1a1"
+
+
+@mixin icon-mixin-notes 
+  content: "\f1a2"
+
+.icon-notes:before
+  content: "\f1a2"
+
+
+@mixin icon-mixin-openid 
+  content: "\f1a3"
+
+.icon-openid:before
+  content: "\f1a3"
+
+
+@mixin icon-mixin-openproject 
+  content: "\f1a4"
+
+.icon-openproject:before
+  content: "\f1a4"
+
+
+@mixin icon-mixin-ordered-list 
+  content: "\f1a5"
+
+.icon-ordered-list:before
+  content: "\f1a5"
+
+
+@mixin icon-mixin-outline 
+  content: "\f1a6"
+
+.icon-outline:before
+  content: "\f1a6"
+
+
+@mixin icon-mixin-paragraph-left 
+  content: "\f1a7"
+
+.icon-paragraph-left:before
+  content: "\f1a7"
+
+
+@mixin icon-mixin-paragraph-right 
+  content: "\f1a8"
+
+.icon-paragraph-right:before
+  content: "\f1a8"
+
+
+@mixin icon-mixin-paragraph 
+  content: "\f1a9"
+
+.icon-paragraph:before
+  content: "\f1a9"
+
+
+@mixin icon-mixin-payment-history 
+  content: "\f1aa"
+
+.icon-payment-history:before
+  content: "\f1aa"
+
+
+@mixin icon-mixin-phone 
+  content: "\f1ab"
+
+.icon-phone:before
+  content: "\f1ab"
+
+
+@mixin icon-mixin-pin 
+  content: "\f1ac"
+
+.icon-pin:before
+  content: "\f1ac"
+
+
+@mixin icon-mixin-play 
+  content: "\f1ad"
+
+.icon-play:before
+  content: "\f1ad"
+
+
+@mixin icon-mixin-plugins 
+  content: "\f1ae"
+
+.icon-plugins:before
+  content: "\f1ae"
+
+
+@mixin icon-mixin-plus 
+  content: "\f1af"
+
+.icon-plus:before
+  content: "\f1af"
+
+
+@mixin icon-mixin-pre 
+  content: "\f1b0"
+
+.icon-pre:before
+  content: "\f1b0"
+
+
+@mixin icon-mixin-presentation 
+  content: "\f1b1"
+
+.icon-presentation:before
+  content: "\f1b1"
+
+
+@mixin icon-mixin-preview 
+  content: "\f1b2"
+
+.icon-preview:before
+  content: "\f1b2"
+
+
+@mixin icon-mixin-print 
+  content: "\f1b3"
+
+.icon-print:before
+  content: "\f1b3"
+
+
+@mixin icon-mixin-priority 
+  content: "\f1b4"
+
+.icon-priority:before
+  content: "\f1b4"
+
+
+@mixin icon-mixin-project-types 
+  content: "\f1b5"
+
+.icon-project-types:before
+  content: "\f1b5"
+
+
+@mixin icon-mixin-projects 
+  content: "\f1b6"
+
+.icon-projects:before
+  content: "\f1b6"
+
+
+@mixin icon-mixin-publish 
+  content: "\f1b7"
+
+.icon-publish:before
+  content: "\f1b7"
+
+
+@mixin icon-mixin-pulldown-up 
+  content: "\f1b8"
+
+.icon-pulldown-up:before
+  content: "\f1b8"
+
+
+@mixin icon-mixin-pulldown 
+  content: "\f1b9"
+
+.icon-pulldown:before
+  content: "\f1b9"
+
+
+@mixin icon-mixin-quote 
+  content: "\f1ba"
+
+.icon-quote:before
+  content: "\f1ba"
+
+
+@mixin icon-mixin-quote2 
+  content: "\f1bb"
+
+.icon-quote2:before
+  content: "\f1bb"
+
+
+@mixin icon-mixin-redo 
+  content: "\f1bc"
+
+.icon-redo:before
+  content: "\f1bc"
+
+
+@mixin icon-mixin-relation-follows 
+  content: "\f1bd"
+
+.icon-relation-follows:before
+  content: "\f1bd"
+
+
+@mixin icon-mixin-relation-new-child 
+  content: "\f1be"
+
+.icon-relation-new-child:before
+  content: "\f1be"
+
+
+@mixin icon-mixin-relation-precedes 
+  content: "\f1bf"
+
+.icon-relation-precedes:before
+  content: "\f1bf"
+
+
+@mixin icon-mixin-relations 
+  content: "\f1c0"
+
+.icon-relations:before
+  content: "\f1c0"
+
+
+@mixin icon-mixin-reload 
+  content: "\f1c1"
+
+.icon-reload:before
+  content: "\f1c1"
+
+
+@mixin icon-mixin-reminder 
+  content: "\f1c2"
+
+.icon-reminder:before
+  content: "\f1c2"
+
+
+@mixin icon-mixin-remove 
+  content: "\f1c3"
+
+.icon-remove:before
+  content: "\f1c3"
+
+
+@mixin icon-mixin-rename 
+  content: "\f1c4"
+
+.icon-rename:before
+  content: "\f1c4"
+
+
+@mixin icon-mixin-reported-by-me 
+  content: "\f1c5"
+
+.icon-reported-by-me:before
+  content: "\f1c5"
+
+
+@mixin icon-mixin-resizer-bottom-right 
+  content: "\f1c6"
+
+.icon-resizer-bottom-right:before
+  content: "\f1c6"
+
+
+@mixin icon-mixin-resizer-vertical-lines 
+  content: "\f1c7"
+
+.icon-resizer-vertical-lines:before
+  content: "\f1c7"
+
+
+@mixin icon-mixin-roadmap 
+  content: "\f1c8"
+
+.icon-roadmap:before
+  content: "\f1c8"
+
+
+@mixin icon-mixin-rss 
+  content: "\f1c9"
+
+.icon-rss:before
+  content: "\f1c9"
+
+
+@mixin icon-mixin-rubber 
+  content: "\f1ca"
+
+.icon-rubber:before
+  content: "\f1ca"
+
+
+@mixin icon-mixin-save 
+  content: "\f1cb"
+
+.icon-save:before
+  content: "\f1cb"
+
+
+@mixin icon-mixin-search 
+  content: "\f1cc"
+
+.icon-search:before
+  content: "\f1cc"
+
+
+@mixin icon-mixin-send-mail 
+  content: "\f1cd"
+
+.icon-send-mail:before
+  content: "\f1cd"
+
+
+@mixin icon-mixin-server-key 
+  content: "\f1ce"
+
+.icon-server-key:before
+  content: "\f1ce"
+
+
+@mixin icon-mixin-settings 
+  content: "\f1cf"
+
+.icon-settings:before
+  content: "\f1cf"
+
+
+@mixin icon-mixin-settings2 
+  content: "\f1d0"
+
+.icon-settings2:before
+  content: "\f1d0"
+
+
+@mixin icon-mixin-settings3 
+  content: "\f1d1"
+
+.icon-settings3:before
+  content: "\f1d1"
+
+
+@mixin icon-mixin-settings4 
+  content: "\f1d2"
+
+.icon-settings4:before
+  content: "\f1d2"
+
+
+@mixin icon-mixin-shortcuts 
+  content: "\f1d3"
+
+.icon-shortcuts:before
+  content: "\f1d3"
+
+
+@mixin icon-mixin-show-all-projects 
+  content: "\f1d4"
+
+.icon-show-all-projects:before
+  content: "\f1d4"
+
+
+@mixin icon-mixin-show-more-horizontal 
+  content: "\f1d5"
+
+.icon-show-more-horizontal:before
+  content: "\f1d5"
+
+
+@mixin icon-mixin-show-more 
+  content: "\f1d6"
+
+.icon-show-more:before
+  content: "\f1d6"
+
+
+@mixin icon-mixin-slack 
+  content: "\f1d7"
+
+.icon-slack:before
+  content: "\f1d7"
+
+
+@mixin icon-mixin-sort-ascending 
+  content: "\f1d8"
+
+.icon-sort-ascending:before
+  content: "\f1d8"
+
+
+@mixin icon-mixin-sort-by 
+  content: "\f1d9"
+
+.icon-sort-by:before
+  content: "\f1d9"
+
+
+@mixin icon-mixin-sort-descending 
+  content: "\f1da"
+
+.icon-sort-descending:before
+  content: "\f1da"
+
+
+@mixin icon-mixin-sort-down 
+  content: "\f1db"
+
+.icon-sort-down:before
+  content: "\f1db"
+
+
+@mixin icon-mixin-sort-up 
+  content: "\f1dc"
+
+.icon-sort-up:before
+  content: "\f1dc"
+
+
+@mixin icon-mixin-square 
+  content: "\f1dd"
+
+.icon-square:before
+  content: "\f1dd"
+
+
+@mixin icon-mixin-star 
+  content: "\f1de"
+
+.icon-star:before
+  content: "\f1de"
+
+
+@mixin icon-mixin-status-reporting 
+  content: "\f1df"
+
+.icon-status-reporting:before
+  content: "\f1df"
+
+
+@mixin icon-mixin-status 
+  content: "\f1e0"
+
+.icon-status:before
+  content: "\f1e0"
+
+
+@mixin icon-mixin-strike-through 
+  content: "\f1e1"
+
+.icon-strike-through:before
+  content: "\f1e1"
+
+
+@mixin icon-mixin-text 
+  content: "\f1e2"
+
+.icon-text:before
+  content: "\f1e2"
+
+
+@mixin icon-mixin-ticket-checked 
+  content: "\f1e3"
+
+.icon-ticket-checked:before
+  content: "\f1e3"
+
+
+@mixin icon-mixin-ticket-down 
+  content: "\f1e4"
+
+.icon-ticket-down:before
+  content: "\f1e4"
+
+
+@mixin icon-mixin-ticket-edit 
+  content: "\f1e5"
+
+.icon-ticket-edit:before
+  content: "\f1e5"
+
+
+@mixin icon-mixin-ticket-minus 
+  content: "\f1e6"
+
+.icon-ticket-minus:before
+  content: "\f1e6"
+
+
+@mixin icon-mixin-ticket-note 
+  content: "\f1e7"
+
+.icon-ticket-note:before
+  content: "\f1e7"
+
+
+@mixin icon-mixin-ticket 
+  content: "\f1e8"
+
+.icon-ticket:before
+  content: "\f1e8"
+
+
+@mixin icon-mixin-time 
+  content: "\f1e9"
+
+.icon-time:before
+  content: "\f1e9"
+
+
+@mixin icon-mixin-to-fullscreen 
+  content: "\f1ea"
+
+.icon-to-fullscreen:before
+  content: "\f1ea"
+
+
+@mixin icon-mixin-training-consulting 
+  content: "\f1eb"
+
+.icon-training-consulting:before
+  content: "\f1eb"
+
+
+@mixin icon-mixin-two-factor-authentication 
+  content: "\f1ec"
+
+.icon-two-factor-authentication:before
+  content: "\f1ec"
+
+
+@mixin icon-mixin-types 
+  content: "\f1ed"
+
+.icon-types:before
+  content: "\f1ed"
+
+
+@mixin icon-mixin-underline 
+  content: "\f1ee"
+
+.icon-underline:before
+  content: "\f1ee"
+
+
+@mixin icon-mixin-undo 
+  content: "\f1ef"
+
+.icon-undo:before
+  content: "\f1ef"
+
+
+@mixin icon-mixin-unit 
+  content: "\f1f0"
+
+.icon-unit:before
+  content: "\f1f0"
+
+
+@mixin icon-mixin-unlocked 
+  content: "\f1f1"
+
+.icon-unlocked:before
+  content: "\f1f1"
+
+
+@mixin icon-mixin-unordered-list 
+  content: "\f1f2"
+
+.icon-unordered-list:before
+  content: "\f1f2"
+
+
+@mixin icon-mixin-unwatched 
+  content: "\f1f3"
+
+.icon-unwatched:before
+  content: "\f1f3"
+
+
+@mixin icon-mixin-upload 
+  content: "\f1f4"
+
+.icon-upload:before
+  content: "\f1f4"
+
+
+@mixin icon-mixin-user-minus 
+  content: "\f1f5"
+
+.icon-user-minus:before
+  content: "\f1f5"
+
+
+@mixin icon-mixin-user-plus 
+  content: "\f1f6"
+
+.icon-user-plus:before
+  content: "\f1f6"
+
+
+@mixin icon-mixin-user 
+  content: "\f1f7"
+
+.icon-user:before
+  content: "\f1f7"
+
+
+@mixin icon-mixin-view-card 
+  content: "\f1f8"
+
+.icon-view-card:before
+  content: "\f1f8"
+
+
+@mixin icon-mixin-view-fullscreen 
+  content: "\f1f9"
+
+.icon-view-fullscreen:before
+  content: "\f1f9"
+
+
+@mixin icon-mixin-view-list 
+  content: "\f1fa"
+
+.icon-view-list:before
+  content: "\f1fa"
+
+
+@mixin icon-mixin-view-model 
+  content: "\f1fb"
+
+.icon-view-model:before
+  content: "\f1fb"
+
+
+@mixin icon-mixin-view-split-viewer-table 
+  content: "\f1fc"
+
+.icon-view-split-viewer-table:before
+  content: "\f1fc"
+
+
+@mixin icon-mixin-view-split 
+  content: "\f1fd"
+
+.icon-view-split:before
+  content: "\f1fd"
+
+
+@mixin icon-mixin-view-split2 
+  content: "\f1fe"
+
+.icon-view-split2:before
+  content: "\f1fe"
+
+
+@mixin icon-mixin-view-timeline 
+  content: "\f1ff"
+
+.icon-view-timeline:before
+  content: "\f1ff"
+
+
+@mixin icon-mixin-warning 
+  content: "\f200"
+
+.icon-warning:before
+  content: "\f200"
+
+
+@mixin icon-mixin-watched 
+  content: "\f201"
+
+.icon-watched:before
+  content: "\f201"
+
+
+@mixin icon-mixin-watching 
+  content: "\f202"
+
+.icon-watching:before
+  content: "\f202"
+
+
+@mixin icon-mixin-wiki-edit 
+  content: "\f203"
+
+.icon-wiki-edit:before
+  content: "\f203"
+
+
+@mixin icon-mixin-wiki 
+  content: "\f204"
+
+.icon-wiki:before
+  content: "\f204"
+
+
+@mixin icon-mixin-wiki2 
+  content: "\f205"
+
+.icon-wiki2:before
+  content: "\f205"
+
+
+@mixin icon-mixin-work-packages 
+  content: "\f206"
+
+.icon-work-packages:before
+  content: "\f206"
+
+
+@mixin icon-mixin-workflow 
+  content: "\f207"
+
+.icon-workflow:before
+  content: "\f207"
+
+
+@mixin icon-mixin-yes 
+  content: "\f208"
+
+.icon-yes:before
+  content: "\f208"
+
+
+@mixin icon-mixin-zen-mode 
+  content: "\f209"
+
+.icon-zen-mode:before
+  content: "\f209"
+
+
+@mixin icon-mixin-zoom-auto 
+  content: "\f20a"
+
+.icon-zoom-auto:before
+  content: "\f20a"
+
+
+@mixin icon-mixin-zoom-in 
+  content: "\f20b"
+
+.icon-zoom-in:before
+  content: "\f20b"
+
+
+@mixin icon-mixin-zoom-out 
+  content: "\f20c"
+
+.icon-zoom-out:before
+  content: "\f20c"
+
diff --git a/frontend/src/global_styles/fonts/_openproject_icon_definitions.scss b/frontend/src/global_styles/fonts/_openproject_icon_definitions.scss
deleted file mode 100644
index b5f07426b3..0000000000
--- a/frontend/src/global_styles/fonts/_openproject_icon_definitions.scss
+++ /dev/null
@@ -1,1608 +0,0 @@
-@mixin icon-mixin-accessibility {
-    content: "\f101";
-}
-.icon-accessibility:before {
-	content: "\f101";
-}
-@mixin icon-mixin-accountable {
-    content: "\f102";
-}
-.icon-accountable:before {
-	content: "\f102";
-}
-@mixin icon-mixin-add {
-    content: "\f103";
-}
-.icon-add:before {
-	content: "\f103";
-}
-@mixin icon-mixin-align-center {
-    content: "\f104";
-}
-.icon-align-center:before {
-	content: "\f104";
-}
-@mixin icon-mixin-align-justify {
-    content: "\f105";
-}
-.icon-align-justify:before {
-	content: "\f105";
-}
-@mixin icon-mixin-align-left {
-    content: "\f106";
-}
-.icon-align-left:before {
-	content: "\f106";
-}
-@mixin icon-mixin-align-right {
-    content: "\f107";
-}
-.icon-align-right:before {
-	content: "\f107";
-}
-@mixin icon-mixin-arrow-down1 {
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-    content: "\f1a0";
-}
-.icon-no-zen-mode:before {
-	content: "\f1a0";
-}
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-    content: "\f1a1";
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-}
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-}
-.icon-openid:before {
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-}
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-}
-.icon-openproject:before {
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-}
-.icon-payment-history:before {
-	content: "\f1aa";
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-}
-.icon-phone:before {
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-}
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-}
-.icon-pin:before {
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-}
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-}
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-}
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-}
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-}
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-}
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-}
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-}
-.icon-publish:before {
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-}
-.icon-pulldown-up:before {
-	content: "\f1b8";
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-}
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-}
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-}
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-}
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-}
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-    content: "\f1c5";
-}
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-}
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-}
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-	content: "\f1c8";
-}
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-    content: "\f1c9";
-}
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-	content: "\f1c9";
-}
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-    content: "\f1ca";
-}
-.icon-rubber:before {
-	content: "\f1ca";
-}
-@mixin icon-mixin-save {
-    content: "\f1cb";
-}
-.icon-save:before {
-	content: "\f1cb";
-}
-@mixin icon-mixin-search {
-    content: "\f1cc";
-}
-.icon-search:before {
-	content: "\f1cc";
-}
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-    content: "\f1cd";
-}
-.icon-send-mail:before {
-	content: "\f1cd";
-}
-@mixin icon-mixin-server-key {
-    content: "\f1ce";
-}
-.icon-server-key:before {
-	content: "\f1ce";
-}
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-    content: "\f1cf";
-}
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-	content: "\f1cf";
-}
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-    content: "\f1d0";
-}
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-	content: "\f1d0";
-}
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-    content: "\f1d1";
-}
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-	content: "\f1d1";
-}
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-    content: "\f1d2";
-}
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-	content: "\f1d2";
-}
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-    content: "\f1d3";
-}
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-	content: "\f1d3";
-}
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-    content: "\f1d4";
-}
-.icon-show-all-projects:before {
-	content: "\f1d4";
-}
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-    content: "\f1d5";
-}
-.icon-show-more-horizontal:before {
-	content: "\f1d5";
-}
-@mixin icon-mixin-show-more {
-    content: "\f1d6";
-}
-.icon-show-more:before {
-	content: "\f1d6";
-}
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-    content: "\f1d7";
-}
-.icon-slack:before {
-	content: "\f1d7";
-}
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-    content: "\f1d8";
-}
-.icon-sort-ascending:before {
-	content: "\f1d8";
-}
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-    content: "\f1d9";
-}
-.icon-sort-by:before {
-	content: "\f1d9";
-}
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-    content: "\f1da";
-}
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-	content: "\f1da";
-}
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-    content: "\f1db";
-}
-.icon-sort-down:before {
-	content: "\f1db";
-}
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-    content: "\f1dc";
-}
-.icon-sort-up:before {
-	content: "\f1dc";
-}
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-    content: "\f1dd";
-}
-.icon-square:before {
-	content: "\f1dd";
-}
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-    content: "\f1de";
-}
-.icon-star:before {
-	content: "\f1de";
-}
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-    content: "\f1df";
-}
-.icon-status-reporting:before {
-	content: "\f1df";
-}
-@mixin icon-mixin-status {
-    content: "\f1e0";
-}
-.icon-status:before {
-	content: "\f1e0";
-}
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-    content: "\f1e1";
-}
-.icon-strike-through:before {
-	content: "\f1e1";
-}
-@mixin icon-mixin-text {
-    content: "\f1e2";
-}
-.icon-text:before {
-	content: "\f1e2";
-}
-@mixin icon-mixin-ticket-checked {
-    content: "\f1e3";
-}
-.icon-ticket-checked:before {
-	content: "\f1e3";
-}
-@mixin icon-mixin-ticket-down {
-    content: "\f1e4";
-}
-.icon-ticket-down:before {
-	content: "\f1e4";
-}
-@mixin icon-mixin-ticket-edit {
-    content: "\f1e5";
-}
-.icon-ticket-edit:before {
-	content: "\f1e5";
-}
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-    content: "\f1e6";
-}
-.icon-ticket-minus:before {
-	content: "\f1e6";
-}
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-    content: "\f1e7";
-}
-.icon-ticket-note:before {
-	content: "\f1e7";
-}
-@mixin icon-mixin-ticket {
-    content: "\f1e8";
-}
-.icon-ticket:before {
-	content: "\f1e8";
-}
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-    content: "\f1e9";
-}
-.icon-time:before {
-	content: "\f1e9";
-}
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-    content: "\f1ea";
-}
-.icon-to-fullscreen:before {
-	content: "\f1ea";
-}
-@mixin icon-mixin-training-consulting {
-    content: "\f1eb";
-}
-.icon-training-consulting:before {
-	content: "\f1eb";
-}
-@mixin icon-mixin-two-factor-authentication {
-    content: "\f1ec";
-}
-.icon-two-factor-authentication:before {
-	content: "\f1ec";
-}
-@mixin icon-mixin-types {
-    content: "\f1ed";
-}
-.icon-types:before {
-	content: "\f1ed";
-}
-@mixin icon-mixin-underline {
-    content: "\f1ee";
-}
-.icon-underline:before {
-	content: "\f1ee";
-}
-@mixin icon-mixin-undo {
-    content: "\f1ef";
-}
-.icon-undo:before {
-	content: "\f1ef";
-}
-@mixin icon-mixin-unit {
-    content: "\f1f0";
-}
-.icon-unit:before {
-	content: "\f1f0";
-}
-@mixin icon-mixin-unlocked {
-    content: "\f1f1";
-}
-.icon-unlocked:before {
-	content: "\f1f1";
-}
-@mixin icon-mixin-unordered-list {
-    content: "\f1f2";
-}
-.icon-unordered-list:before {
-	content: "\f1f2";
-}
-@mixin icon-mixin-unwatched {
-    content: "\f1f3";
-}
-.icon-unwatched:before {
-	content: "\f1f3";
-}
-@mixin icon-mixin-upload {
-    content: "\f1f4";
-}
-.icon-upload:before {
-	content: "\f1f4";
-}
-@mixin icon-mixin-user-minus {
-    content: "\f1f5";
-}
-.icon-user-minus:before {
-	content: "\f1f5";
-}
-@mixin icon-mixin-user-plus {
-    content: "\f1f6";
-}
-.icon-user-plus:before {
-	content: "\f1f6";
-}
-@mixin icon-mixin-user {
-    content: "\f1f7";
-}
-.icon-user:before {
-	content: "\f1f7";
-}
-@mixin icon-mixin-view-card {
-    content: "\f1f8";
-}
-.icon-view-card:before {
-	content: "\f1f8";
-}
-@mixin icon-mixin-view-fullscreen {
-    content: "\f1f9";
-}
-.icon-view-fullscreen:before {
-	content: "\f1f9";
-}
-@mixin icon-mixin-view-list {
-    content: "\f1fa";
-}
-.icon-view-list:before {
-	content: "\f1fa";
-}
-@mixin icon-mixin-view-model {
-    content: "\f1fb";
-}
-.icon-view-model:before {
-	content: "\f1fb";
-}
-@mixin icon-mixin-view-split-viewer-table {
-    content: "\f1fc";
-}
-.icon-view-split-viewer-table:before {
-	content: "\f1fc";
-}
-@mixin icon-mixin-view-split {
-    content: "\f1fd";
-}
-.icon-view-split:before {
-	content: "\f1fd";
-}
-@mixin icon-mixin-view-split2 {
-    content: "\f1fe";
-}
-.icon-view-split2:before {
-	content: "\f1fe";
-}
-@mixin icon-mixin-view-timeline {
-    content: "\f1ff";
-}
-.icon-view-timeline:before {
-	content: "\f1ff";
-}
-@mixin icon-mixin-warning {
-    content: "\f200";
-}
-.icon-warning:before {
-	content: "\f200";
-}
-@mixin icon-mixin-watched {
-    content: "\f201";
-}
-.icon-watched:before {
-	content: "\f201";
-}
-@mixin icon-mixin-watching {
-    content: "\f202";
-}
-.icon-watching:before {
-	content: "\f202";
-}
-@mixin icon-mixin-wiki-edit {
-    content: "\f203";
-}
-.icon-wiki-edit:before {
-	content: "\f203";
-}
-@mixin icon-mixin-wiki {
-    content: "\f204";
-}
-.icon-wiki:before {
-	content: "\f204";
-}
-@mixin icon-mixin-wiki2 {
-    content: "\f205";
-}
-.icon-wiki2:before {
-	content: "\f205";
-}
-@mixin icon-mixin-work-packages {
-    content: "\f206";
-}
-.icon-work-packages:before {
-	content: "\f206";
-}
-@mixin icon-mixin-workflow {
-    content: "\f207";
-}
-.icon-workflow:before {
-	content: "\f207";
-}
-@mixin icon-mixin-yes {
-    content: "\f208";
-}
-.icon-yes:before {
-	content: "\f208";
-}
-@mixin icon-mixin-zen-mode {
-    content: "\f209";
-}
-.icon-zen-mode:before {
-	content: "\f209";
-}
-@mixin icon-mixin-zoom-auto {
-    content: "\f20a";
-}
-.icon-zoom-auto:before {
-	content: "\f20a";
-}
-@mixin icon-mixin-zoom-in {
-    content: "\f20b";
-}
-.icon-zoom-in:before {
-	content: "\f20b";
-}
-@mixin icon-mixin-zoom-out {
-    content: "\f20c";
-}
-.icon-zoom-out:before {
-	content: "\f20c";
-}
diff --git a/frontend/src/global_styles/layout/_base.sass b/frontend/src/global_styles/layout/_base.sass
index 88aefc970b..51e92d7eb0 100644
--- a/frontend/src/global_styles/layout/_base.sass
+++ b/frontend/src/global_styles/layout/_base.sass
@@ -35,7 +35,6 @@
 #main
   display: grid
   grid-template-columns: auto 1fr
-  z-index:  20
   overflow: auto
 
   &.nomenus
diff --git a/frontend/src/global_styles/layout/_toolbar_mobile.sass b/frontend/src/global_styles/layout/_toolbar_mobile.sass
index cd269033c6..9c90f501ad 100644
--- a/frontend/src/global_styles/layout/_toolbar_mobile.sass
+++ b/frontend/src/global_styles/layout/_toolbar_mobile.sass
@@ -56,11 +56,5 @@
             width: 100%
             white-space: nowrap
 
-          .button,
-          input,
-          label,
-          div
-            margin-top: 0
-
         > form input.button
           width: 100%
diff --git a/frontend/src/global_styles/openproject.sass b/frontend/src/global_styles/openproject.sass
index bdd4541312..4c2b06deed 100644
--- a/frontend/src/global_styles/openproject.sass
+++ b/frontend/src/global_styles/openproject.sass
@@ -1,3 +1,6 @@
+// SPOT variables
+@import "../app/spot/styles/sass/variables"
+
 @import "fonts/_index.sass"
 @import "openproject/_index.sass"
 @import "vendor/_index.sass"
@@ -5,8 +8,12 @@
 @import "content/_index.sass"
 
 @import "./common/openproject-common.module"
-@import "../app/spot/styles/sass"
 @import "../app/shared/components/modal/modal.module"
+@import "../app/shared/directives/search-highlight.directive"
 
 // Dynamically linked plugin styles from Rails plugins
 @import "../app/features/plugins/linked-plugins.styles"
+
+// SPOT styles
+@import "../app/spot/styles/sass/common"
+@import "../app/spot/styles/sass/components"
diff --git a/frontend/src/global_styles/vendor/_full_calendar.sass b/frontend/src/global_styles/vendor/_full_calendar.sass
index ecee60c03b..b1bf427489 100644
--- a/frontend/src/global_styles/vendor/_full_calendar.sass
+++ b/frontend/src/global_styles/vendor/_full_calendar.sass
@@ -17,19 +17,18 @@
       cursor: unset
 
     // Note the greater specificity than the standard background colours
-    tbody td.fc-day-today,
-    thead th.fc-day-today
+    table .fc-day-today
       background: rgb(255 255 120 / 20%)
 
-    td.fc-day-sat,
-    td.fc-day-sun
+    .fc-day-sat,
+    .fc-day-sun
       background: rgb(109 109 109 / 20%)
 
-    td.fc-day-mon,
-    td.fc-day-tue,
-    td.fc-day-wed,
-    td.fc-day-thu,
-    td.fc-day-fri
+    .fc-day-mon,
+    .fc-day-tue,
+    .fc-day-wed,
+    .fc-day-thu,
+    .fc-day-fri
       background: rgb(205 205 205 / 20%)
 
     // The days in full calendar are anchor elements which we do not
@@ -105,9 +104,17 @@
         &:after
           display: block
           content: ''
-          width: 1px
-          background: rgba(0,0,0,0.2)
-          margin: 0 -2px
+
+        &:before
+          height: 100%
+          width: 20px
+
+        &:after
+          border-left: 1px solid
+          border-right: 1px solid
+          border-color: rgba(0,0,0,0.2)
+          width: 4px
+          margin: 0 -4px
           height: 70%
           max-height: 16px
 
@@ -116,7 +123,7 @@
 
         &-end
           justify-content: flex-start
-          margin-right: 2px
+          margin-right: 14px
 
     // ------------------------ END:  Calendar events ------------------------
     // -------
diff --git a/frontend/src/vendor/ckeditor/ckeditor.js b/frontend/src/vendor/ckeditor/ckeditor.js
index fde49b08c7..f93965134a 100644
--- a/frontend/src/vendor/ckeditor/ckeditor.js
+++ b/frontend/src/vendor/ckeditor/ckeditor.js
@@ -1,1760 +1,7 @@
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 /*!
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.
  * For licensing, see LICENSE.md.
  */
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var(--ck-color-button-on-active-shadow)}.ck.ck-button.ck-on.ck-disabled,a.ck.ck-button.ck-on.ck-disabled{background:var(--ck-color-button-on-disabled-background)}.ck.ck-button.ck-button-save,a.ck.ck-button.ck-button-save{color:var(--ck-color-button-save)}.ck.ck-button.ck-button-cancel,a.ck.ck-button.ck-button-cancel{color:var(--ck-color-button-cancel)}.ck.ck-button-action,a.ck.ck-button-action{background:var(--ck-color-button-action-background)}.ck.ck-button-action:not(.ck-disabled):hover,a.ck.ck-button-action:not(.ck-disabled):hover{background:var(--ck-color-button-action-hover-background)}.ck.ck-button-action:not(.ck-disabled):active,a.ck.ck-button-action:not(.ck-disabled):active{background:var(--ck-color-button-action-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-action-active-shadow)}.ck.ck-button-action.ck-disabled,a.ck.ck-button-action.ck-disabled{background:var(--ck-color-button-action-disabled-background)}.ck.ck-button-action,a.ck.ck-button-action{color:var(--ck-color-button-action-text)}.ck.ck-button-bold,a.ck.ck-button-bold{font-weight:700}"},function(e,t,n){var o=n(1),i=n(44);"string"==typeof(i=i.__esModule?i.default:i)&&(i=[[e.i,i,""]]);var r={injectType:"singletonStyleTag",insert:"head",singleton:!0};o(i,r);e.exports=i.locals||{}},function(e,t){e.exports=".ck.ck-list{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-direction:column}.ck.ck-list .ck-list__item,.ck.ck-list .ck-list__separator{display:block}.ck.ck-list .ck-list__item>:focus{position:relative;z-index:var(--ck-z-default)}.ck.ck-list{border-radius:0}.ck-rounded-corners 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t;if(e.md.options.typographer)for(t=e.tokens.length-1;t>=0;t--)"inline"===e.tokens[t].type&&s.test(e.tokens[t].content)&&c(e.tokens[t].children,e)}},function(e,t,n){"use strict";var o=n(15);function i(e,t,n){this.src=e,this.env=n,this.tokens=[],this.inlineMode=!1,this.md=t}i.prototype.Token=o,e.exports=i},function(e,t,n){"use strict";var o=n(14),i=[["table",n(144),["paragraph","reference"]],["code",n(145)],["fence",n(146),["paragraph","reference","blockquote","list"]],["blockquote",n(147),["paragraph","reference","blockquote","list"]],["hr",n(148),["paragraph","reference","blockquote","list"]],["list",n(149),["paragraph","reference","blockquote"]],["reference",n(150)],["heading",n(151),["paragraph","reference","blockquote"]],["lheading",n(152)],["html_block",n(153),["paragraph","reference","blockquote"]],["paragraph",n(155)]];function r(){this.ruler=new o;for(var e=0;e<i.length;e++)this.ruler.push(i[e][0],i[e][1],{alt:(i[e][2]||[]).slice()})}r.prototype.tokenize=function(e,t,n){for(var 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p=e.push("tbody_close","tbody",-1),p=e.push("table_close","table",-1),b[1]=w[1]=u,e.line=u,!0}},function(e,t,n){"use strict";e.exports=function(e,t,n){var o,i,r;if(e.sCount[t]-e.blkIndent<4)return!1;for(i=o=t+1;o<n;)if(e.isEmpty(o))o++;else{if(!(e.sCount[o]-e.blkIndent>=4))break;i=++o}return e.line=i,(r=e.push("code_block","code",0)).content=e.getLines(t,i,4+e.blkIndent,!0),r.map=[t,e.line],!0}},function(e,t,n){"use strict";e.exports=function(e,t,n,o){var i,r,s,a,l,c,d,u=!1,h=e.bMarks[t]+e.tShift[t],f=e.eMarks[t];if(e.sCount[t]-e.blkIndent>=4)return!1;if(h+3>f)return!1;if(126!==(i=e.src.charCodeAt(h))&&96!==i)return!1;if(l=h,(r=(h=e.skipChars(h,i))-l)<3)return!1;if(d=e.src.slice(l,h),s=e.src.slice(h,f),96===i&&s.indexOf(String.fromCharCode(i))>=0)return!1;if(o)return!0;for(a=t;!(++a>=n)&&!((h=l=e.bMarks[a]+e.tShift[a])<(f=e.eMarks[a])&&e.sCount[a]<e.blkIndent);)if(e.src.charCodeAt(h)===i&&!(e.sCount[a]-e.blkIndent>=4||(h=e.skipChars(h,i))-l<r||(h=e.skipSpaces(h))<f)){u=!0;break}return r=e.sCount[t],e.line=a+(u?1:0),(c=e.push("fence","code",0)).info=s,c.content=e.getLines(t+1,a,r,!0),c.markup=d,c.map=[t,e.line],!0}},function(e,t,n){"use strict";var o=n(3).isSpace;e.exports=function(e,t,n,i){var r,s,a,l,c,d,u,h,f,p,m,g,b,w,k,_,v,y,x,C,A=e.lineMax,T=e.bMarks[t]+e.tShift[t],E=e.eMarks[t];if(e.sCount[t]-e.blkIndent>=4)return!1;if(62!==e.src.charCodeAt(T++))return!1;if(i)return!0;for(l=f=e.sCount[t]+T-(e.bMarks[t]+e.tShift[t]),32===e.src.charCodeAt(T)?(T++,l++,f++,r=!1,_=!0):9===e.src.charCodeAt(T)?(_=!0,(e.bsCount[t]+f)%4==3?(T++,l++,f++,r=!1):r=!0):_=!1,p=[e.bMarks[t]],e.bMarks[t]=T;T<E&&(s=e.src.charCodeAt(T),o(s));)9===s?f+=4-(f+e.bsCount[t]+(r?1:0))%4:f++,T++;for(m=[e.bsCount[t]],e.bsCount[t]=e.sCount[t]+1+(_?1:0),d=T>=E,w=[e.sCount[t]],e.sCount[t]=f-l,k=[e.tShift[t]],e.tShift[t]=T-e.bMarks[t],y=e.md.block.ruler.getRules("blockquote"),b=e.parentType,e.parentType="blockquote",C=!1,h=t+1;h<n&&(e.sCount[h]<e.blkIndent&&(C=!0),!((T=e.bMarks[h]+e.tShift[h])>=(E=e.eMarks[h])));h++)if(62!==e.src.charCodeAt(T++)||C){if(d)break;for(v=!1,a=0,c=y.length;a<c;a++)if(y[a](e,h,n,!0)){v=!0;break}if(v){e.lineMax=h,0!==e.blkIndent&&(p.push(e.bMarks[h]),m.push(e.bsCount[h]),k.push(e.tShift[h]),w.push(e.sCount[h]),e.sCount[h]-=e.blkIndent);break}p.push(e.bMarks[h]),m.push(e.bsCount[h]),k.push(e.tShift[h]),w.push(e.sCount[h]),e.sCount[h]=-1}else{for(l=f=e.sCount[h]+T-(e.bMarks[h]+e.tShift[h]),32===e.src.charCodeAt(T)?(T++,l++,f++,r=!1,_=!0):9===e.src.charCodeAt(T)?(_=!0,(e.bsCount[h]+f)%4==3?(T++,l++,f++,r=!1):r=!0):_=!1,p.push(e.bMarks[h]),e.bMarks[h]=T;T<E&&(s=e.src.charCodeAt(T),o(s));)9===s?f+=4-(f+e.bsCount[h]+(r?1:0))%4:f++,T++;d=T>=E,m.push(e.bsCount[h]),e.bsCount[h]=e.sCount[h]+1+(_?1:0),w.push(e.sCount[h]),e.sCount[h]=f-l,k.push(e.tShift[h]),e.tShift[h]=T-e.bMarks[h]}for(g=e.blkIndent,e.blkIndent=0,(x=e.push("blockquote_open","blockquote",1)).markup=">",x.map=u=[t,0],e.md.block.tokenize(e,t,h),(x=e.push("blockquote_close","blockquote",-1)).markup=">",e.lineMax=A,e.parentType=b,u[1]=e.line,a=0;a<k.length;a++)e.bMarks[a+t]=p[a],e.tShift[a+t]=k[a],e.sCount[a+t]=w[a],e.bsCount[a+t]=m[a];return e.blkIndent=g,!0}},function(e,t,n){"use strict";var o=n(3).isSpace;e.exports=function(e,t,n,i){var r,s,a,l,c=e.bMarks[t]+e.tShift[t],d=e.eMarks[t];if(e.sCount[t]-e.blkIndent>=4)return!1;if(42!==(r=e.src.charCodeAt(c++))&&45!==r&&95!==r)return!1;for(s=1;c<d;){if((a=e.src.charCodeAt(c++))!==r&&!o(a))return!1;a===r&&s++}return!(s<3)&&(i||(e.line=t+1,(l=e.push("hr","hr",0)).map=[t,e.line],l.markup=Array(s+1).join(String.fromCharCode(r))),!0)}},function(e,t,n){"use strict";var o=n(3).isSpace;function i(e,t){var n,i,r,s;return i=e.bMarks[t]+e.tShift[t],r=e.eMarks[t],42!==(n=e.src.charCodeAt(i++))&&45!==n&&43!==n||i<r&&(s=e.src.charCodeAt(i),!o(s))?-1:i}function r(e,t){var n,i=e.bMarks[t]+e.tShift[t],r=i,s=e.eMarks[t];if(r+1>=s)return-1;if((n=e.src.charCodeAt(r++))<48||n>57)return-1;for(;;){if(r>=s)return-1;if(!((n=e.src.charCodeAt(r++))>=48&&n<=57)){if(41===n||46===n)break;return-1}if(r-i>=10)return-1}return r<s&&(n=e.src.charCodeAt(r),!o(n))?-1:r}e.exports=function(e,t,n,o){var s,a,l,c,d,u,h,f,p,m,g,b,w,k,_,v,y,x,C,A,T,E,P,S,R,I,O,M,V=!1,N=!0;if(e.sCount[t]-e.blkIndent>=4)return!1;if(e.listIndent>=0&&e.sCount[t]-e.listIndent>=4&&e.sCount[t]<e.blkIndent)return!1;if(o&&"paragraph"===e.parentType&&e.tShift[t]>=e.blkIndent&&(V=!0),(P=r(e,t))>=0){if(h=!0,R=e.bMarks[t]+e.tShift[t],w=Number(e.src.substr(R,P-R-1)),V&&1!==w)return!1}else{if(!((P=i(e,t))>=0))return!1;h=!1}if(V&&e.skipSpaces(P)>=e.eMarks[t])return!1;if(b=e.src.charCodeAt(P-1),o)return!0;for(g=e.tokens.length,h?(M=e.push("ordered_list_open","ol",1),1!==w&&(M.attrs=[["start",w]])):M=e.push("bullet_list_open","ul",1),M.map=m=[t,0],M.markup=String.fromCharCode(b),_=t,S=!1,O=e.md.block.ruler.getRules("list"),x=e.parentType,e.parentType="list";_<n;){for(E=P,k=e.eMarks[_],u=v=e.sCount[_]+P-(e.bMarks[t]+e.tShift[t]);E<k;){if(9===(s=e.src.charCodeAt(E)))v+=4-(v+e.bsCount[_])%4;else{if(32!==s)break;v++}E++}if((d=(a=E)>=k?1:v-u)>4&&(d=1),c=u+d,(M=e.push("list_item_open","li",1)).markup=String.fromCharCode(b),M.map=f=[t,0],T=e.tight,A=e.tShift[t],C=e.sCount[t],y=e.listIndent,e.listIndent=e.blkIndent,e.blkIndent=c,e.tight=!0,e.tShift[t]=a-e.bMarks[t],e.sCount[t]=v,a>=k&&e.isEmpty(t+1)?e.line=Math.min(e.line+2,n):e.md.block.tokenize(e,t,n,!0),e.tight&&!S||(N=!1),S=e.line-t>1&&e.isEmpty(e.line-1),e.blkIndent=e.listIndent,e.listIndent=y,e.tShift[t]=A,e.sCount[t]=C,e.tight=T,(M=e.push("list_item_close","li",-1)).markup=String.fromCharCode(b),_=t=e.line,f[1]=_,a=e.bMarks[t],_>=n)break;if(e.sCount[_]<e.blkIndent)break;if(e.sCount[t]-e.blkIndent>=4)break;for(I=!1,l=0,p=O.length;l<p;l++)if(O[l](e,_,n,!0)){I=!0;break}if(I)break;if(h){if((P=r(e,_))<0)break}else 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o=n(154),i=n(25).HTML_OPEN_CLOSE_TAG_RE,r=[[/^<(script|pre|style)(?=(\s|>|$))/i,/<\/(script|pre|style)>/i,!0],[/^<!--/,/-->/,!0],[/^<\?/,/\?>/,!0],[/^<![A-Z]/,/>/,!0],[/^<!\[CDATA\[/,/\]\]>/,!0],[new RegExp("^</?("+o.join("|")+")(?=(\\s|/?>|$))","i"),/^$/,!0],[new RegExp(i.source+"\\s*$"),/^$/,!1]];e.exports=function(e,t,n,o){var i,s,a,l,c=e.bMarks[t]+e.tShift[t],d=e.eMarks[t];if(e.sCount[t]-e.blkIndent>=4)return!1;if(!e.md.options.html)return!1;if(60!==e.src.charCodeAt(c))return!1;for(l=e.src.slice(c,d),i=0;i<r.length&&!r[i][0].test(l);i++);if(i===r.length)return!1;if(o)return r[i][2];if(s=t+1,!r[i][1].test(l))for(;s<n&&!(e.sCount[s]<e.blkIndent);s++)if(c=e.bMarks[s]+e.tShift[s],d=e.eMarks[s],l=e.src.slice(c,d),r[i][1].test(l)){0!==l.length&&s++;break}return e.line=s,(a=e.push("html_block","",0)).map=[t,s],a.content=e.getLines(t,s,e.blkIndent,!0),!0}},function(e,t,n){"use 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n=e.getLines(t,l,e.blkIndent,!1).trim(),e.line=l,(s=e.push("paragraph_open","p",1)).map=[t,e.line],(s=e.push("inline","",0)).content=n,s.map=[t,e.line],s.children=[],s=e.push("paragraph_close","p",-1),e.parentType=a,!0}},function(e,t,n){"use strict";var o=n(15),i=n(3).isSpace;function r(e,t,n,o){var r,s,a,l,c,d,u,h;for(this.src=e,this.md=t,this.env=n,this.tokens=o,this.bMarks=[],this.eMarks=[],this.tShift=[],this.sCount=[],this.bsCount=[],this.blkIndent=0,this.line=0,this.lineMax=0,this.tight=!1,this.ddIndent=-1,this.listIndent=-1,this.parentType="root",this.level=0,this.result="",h=!1,a=l=d=u=0,c=(s=this.src).length;l<c;l++){if(r=s.charCodeAt(l),!h){if(i(r)){d++,9===r?u+=4-u%4:u++;continue}h=!0}10!==r&&l!==c-1||(10!==r&&l++,this.bMarks.push(a),this.eMarks.push(l),this.tShift.push(d),this.sCount.push(u),this.bsCount.push(0),h=!1,d=0,u=0,a=l+1)}this.bMarks.push(s.length),this.eMarks.push(s.length),this.tShift.push(0),this.sCount.push(0),this.bsCount.push(0),this.lineMax=this.bMarks.length-1}r.prototype.push=function(e,t,n){var i=new o(e,t,n);return i.block=!0,n<0&&this.level--,i.level=this.level,n>0&&this.level++,this.tokens.push(i),i},r.prototype.isEmpty=function(e){return this.bMarks[e]+this.tShift[e]>=this.eMarks[e]},r.prototype.skipEmptyLines=function(e){for(var 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t,n,o=this.ruler.getRules(""),i=o.length,r=e.posMax,s=e.md.options.maxNesting;e.pos<r;){if(e.level<s)for(n=0;n<i&&!(t=o[n](e,!1));n++);if(t){if(e.pos>=r)break}else e.pending+=e.src[e.pos++]}e.pending&&e.pushPending()},s.prototype.parse=function(e,t,n,o){var i,r,s,a=new this.State(e,t,n,o);for(this.tokenize(a),s=(r=this.ruler2.getRules("")).length,i=0;i<s;i++)r[i](a)},s.prototype.State=n(169),e.exports=s},function(e,t,n){"use strict";function o(e){switch(e){case 10:case 33:case 35:case 36:case 37:case 38:case 42:case 43:case 45:case 58:case 60:case 61:case 62:case 64:case 91:case 92:case 93:case 94:case 95:case 96:case 123:case 125:case 126:return!0;default:return!1}}e.exports=function(e,t){for(var n=e.pos;n<e.posMax&&!o(e.src.charCodeAt(n));)n++;return n!==e.pos&&(t||(e.pending+=e.src.slice(e.pos,n)),e.pos=n,!0)}},function(e,t,n){"use strict";var o=n(3).isSpace;e.exports=function(e,t){var n,i,r=e.pos;if(10!==e.src.charCodeAt(r))return!1;for(n=e.pending.length-1,i=e.posMax,t||(n>=0&&32===e.pending.charCodeAt(n)?n>=1&&32===e.pending.charCodeAt(n-1)?(e.pending=e.pending.replace(/ +$/,""),e.push("hardbreak","br",0)):(e.pending=e.pending.slice(0,-1),e.push("softbreak","br",0)):e.push("softbreak","br",0)),r++;r<i&&o(e.src.charCodeAt(r));)r++;return e.pos=r,!0}},function(e,t,n){"use strict";for(var o=n(3).isSpace,i=[],r=0;r<256;r++)i.push(0);"\\!\"#$%&'()*+,./:;<=>?@[]^_`{|}~-".split("").forEach((function(e){i[e.charCodeAt(0)]=1})),e.exports=function(e,t){var n,r=e.pos,s=e.posMax;if(92!==e.src.charCodeAt(r))return!1;if(++r<s){if((n=e.src.charCodeAt(r))<256&&0!==i[n])return t||(e.pending+=e.src[r]),e.pos+=2,!0;if(10===n){for(t||e.push("hardbreak","br",0),r++;r<s&&(n=e.src.charCodeAt(r),o(n));)r++;return e.pos=r,!0}}return t||(e.pending+="\\"),e.pos++,!0}},function(e,t,n){"use strict";e.exports=function(e,t){var n,o,i,r,s,a,l=e.pos;if(96!==e.src.charCodeAt(l))return!1;for(n=l,l++,o=e.posMax;l<o&&96===e.src.charCodeAt(l);)l++;for(i=e.src.slice(n,l),r=s=l;-1!==(r=e.src.indexOf("`",s));){for(s=r+1;s<o&&96===e.src.charCodeAt(s);)s++;if(s-r===i.length)return t||((a=e.push("code_inline","code",0)).markup=i,a.content=e.src.slice(l,r).replace(/\n/g," ").replace(/^ (.+) $/,"$1")),e.pos=s,!0}return t||(e.pending+=i),e.pos+=i.length,!0}},function(e,t,n){"use strict";var o=n(3).normalizeReference,i=n(3).isSpace;e.exports=function(e,t){var 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0===e.env.references)return!1;if(d<k&&91===e.src.charCodeAt(d)?(g=d+1,(d=e.md.helpers.parseLinkLabel(e,d))>=0?a=e.src.slice(g,d++):d=l+1):d=l+1,a||(a=e.src.slice(c,l)),!(u=e.env.references[o(a)]))return e.pos=w,!1;b=u.href,f=u.title}return t||(s=e.src.slice(c,l),e.md.inline.parse(s,e.md,e.env,m=[]),(p=e.push("image","img",0)).attrs=n=[["src",b],["alt",""]],p.children=m,p.content=s,f&&n.push(["title",f])),e.pos=d,e.posMax=k,!0}},function(e,t,n){"use strict";var o=/^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/,i=/^<([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)>/;e.exports=function(e,t){var n,r,s,a,l,c,d=e.pos;return 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- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class rn{constructor(e,t){this._config={},t&&this.define(sn(t)),e&&this._setObjectToTarget(this._config,e)}set(e,t){this._setToTarget(this._config,e,t)}define(e,t){this._setToTarget(this._config,e,t,!0)}get(e){return this._getFromSource(this._config,e)}*names(){for(const e of Object.keys(this._config))yield e}_setToTarget(e,t,n,o=!1){if(x(t))return void this._setObjectToTarget(e,t,o);const i=t.split(".");t=i.pop();for(const t of i)x(e[t])||(e[t]={}),e=e[t];if(x(n))return x(e[t])||(e[t]={}),e=e[t],void this._setObjectToTarget(e,n,o);o&&void 0!==e[t]||(e[t]=n)}_getFromSource(e,t){const n=t.split(".");t=n.pop();for(const t of n){if(!x(e[t])){e=null;break}e=e[t]}return e?sn(e[t]):void 0}_setObjectToTarget(e,t,n){Object.keys(t).forEach(o=>{this._setToTarget(e,o,t[o],n)})}}function sn(e){return nn(e,an)}function an(e){return on(e)?e:void 0}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */var ln=function(){return function e(){e.called=!0}};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class cn{constructor(e,t){this.source=e,this.name=t,this.path=[],this.stop=ln(),this.off=ln()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const dn=new Array(256).fill().map((e,t)=>("0"+t.toString(16)).slice(-2));function un(){const e=4294967296*Math.random()>>>0,t=4294967296*Math.random()>>>0,n=4294967296*Math.random()>>>0,o=4294967296*Math.random()>>>0;return"e"+dn[e>>0&255]+dn[e>>8&255]+dn[e>>16&255]+dn[e>>24&255]+dn[t>>0&255]+dn[t>>8&255]+dn[t>>16&255]+dn[t>>24&255]+dn[n>>0&255]+dn[n>>8&255]+dn[n>>16&255]+dn[n>>24&255]+dn[o>>0&255]+dn[o>>8&255]+dn[o>>16&255]+dn[o>>24&255]}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */var hn={get(e){return"number"!=typeof e?this[e]||this.normal:e},highest:1e5,high:1e3,normal:0,low:-1e3,lowest:-1e5},fn=(n(7),n(0));
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const pn=Symbol("listeningTo"),mn=Symbol("emitterId");var gn={on(e,t,n={}){this.listenTo(this,e,t,n)},once(e,t,n){let o=!1;this.listenTo(this,e,(function(e,...n){o||(o=!0,e.off(),t.call(this,e,...n))}),n)},off(e,t){this.stopListening(this,e,t)},listenTo(e,t,n,o={}){let i,r;this[pn]||(this[pn]={});const s=this[pn];wn(e)||bn(e);const a=wn(e);(i=s[a])||(i=s[a]={emitter:e,callbacks:{}}),(r=i.callbacks[t])||(r=i.callbacks[t]=[]),r.push(n),function(e,t){const n=kn(e);if(n[t])return;let o=t,i=null;const r=[];for(;""!==o&&!n[o];)n[o]={callbacks:[],childEvents:[]},r.push(n[o]),i&&n[o].childEvents.push(i),i=o,o=o.substr(0,o.lastIndexOf(":"));if(""!==o){for(const e of r)e.callbacks=n[o].callbacks.slice();n[o].childEvents.push(i)}}(e,t);const l=_n(e,t),c=hn.get(o.priority),d={callback:n,priority:c};for(const e of l){let t=!1;for(let n=0;n<e.length;n++)if(e[n].priority<c){e.splice(n,0,d),t=!0;break}t||e.push(d)}},stopListening(e,t,n){const o=this[pn];let i=e&&wn(e);const r=o&&i&&o[i],s=r&&t&&r.callbacks[t];if(!(!o||e&&!r||t&&!s))if(n){yn(e,t,n);-1!==s.indexOf(n)&&(1===s.length?delete r.callbacks[t]:yn(e,t,n))}else if(s){for(;n=s.pop();)yn(e,t,n);delete r.callbacks[t]}else if(r){for(t in r.callbacks)this.stopListening(e,t);delete o[i]}else{for(i in o)this.stopListening(o[i].emitter);delete this[pn]}},fire(e,...t){try{const n=e instanceof cn?e:new cn(this,e),o=n.name;let i=function e(t,n){let o;if(!t._events||!(o=t._events[n])||!o.callbacks.length)return n.indexOf(":")>-1?e(t,n.substr(0,n.lastIndexOf(":"))):null;return o.callbacks}(this,o);if(n.path.push(this),i){const e=[n,...t];i=Array.from(i);for(let t=0;t<i.length&&(i[t].callback.apply(this,e),n.off.called&&(delete n.off.called,yn(this,o,i[t].callback)),!n.stop.called);t++);}if(this._delegations){const e=this._delegations.get(o),i=this._delegations.get("*");e&&vn(e,n,t),i&&vn(i,n,t)}return n.return}catch(e){fn.a.rethrowUnexpectedError(e,this)}},delegate(...e){return{to:(t,n)=>{this._delegations||(this._delegations=new Map),e.forEach(e=>{const o=this._delegations.get(e);o?o.set(t,n):this._delegations.set(e,new Map([[t,n]]))})}}},stopDelegating(e,t){if(this._delegations)if(e)if(t){const n=this._delegations.get(e);n&&n.delete(t)}else this._delegations.delete(e);else this._delegations.clear()}};function bn(e,t){e[mn]||(e[mn]=t||un())}function wn(e){return e[mn]}function kn(e){return e._events||Object.defineProperty(e,"_events",{value:{}}),e._events}function _n(e,t){const n=kn(e)[t];if(!n)return[];let o=[n.callbacks];for(let t=0;t<n.childEvents.length;t++){const i=_n(e,n.childEvents[t]);o=o.concat(i)}return o}function vn(e,t,n){for(let[o,i]of e){i?"function"==typeof i&&(i=i(t.name)):i=t.name;const e=new cn(t.source,i);e.path=[...t.path],o.fire(e,...n)}}function yn(e,t,n){const o=_n(e,t);for(const e of o)for(let t=0;t<e.length;t++)e[t].callback==n&&(e.splice(t,1),t--)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function xn(e){return!(!e||!e[Symbol.iterator])}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Cn(e,...t){t.forEach(t=>{Object.getOwnPropertyNames(t).concat(Object.getOwnPropertySymbols(t)).forEach(n=>{if(n in e.prototype)return;const o=Object.getOwnPropertyDescriptor(t,n);o.enumerable=!1,Object.defineProperty(e.prototype,n,o)})})}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class An{constructor(e={},t={}){const n=xn(e);if(n||(t=e),this._items=[],this._itemMap=new Map,this._idProperty=t.idProperty||"id",this._bindToExternalToInternalMap=new WeakMap,this._bindToInternalToExternalMap=new WeakMap,this._skippedIndexesFromExternal=[],n)for(const t of e)this._items.push(t),this._itemMap.set(this._getItemIdBeforeAdding(t),t)}get length(){return this._items.length}get first(){return this._items[0]||null}get last(){return this._items[this.length-1]||null}add(e,t){return this.addMany([e],t)}addMany(e,t){if(void 0===t)t=this._items.length;else if(t>this._items.length||t<0)throw new fn.a("collection-add-item-invalid-index",this);for(let n=0;n<e.length;n++){const o=e[n],i=this._getItemIdBeforeAdding(o),r=t+n;this._items.splice(r,0,o),this._itemMap.set(i,o),this.fire("add",o,r)}return this.fire("change",{added:e,removed:[],index:t}),this}get(e){let t;if("string"==typeof e)t=this._itemMap.get(e);else{if("number"!=typeof e)throw new fn.a("collection-get-invalid-arg",this);t=this._items[e]}return t||null}has(e){if("string"==typeof e)return this._itemMap.has(e);{const t=e[this._idProperty];return this._itemMap.has(t)}}getIndex(e){let t;return t="string"==typeof e?this._itemMap.get(e):e,this._items.indexOf(t)}remove(e){const[t,n]=this._remove(e);return this.fire("change",{added:[],removed:[t],index:n}),t}map(e,t){return this._items.map(e,t)}find(e,t){return this._items.find(e,t)}filter(e,t){return this._items.filter(e,t)}clear(){this._bindToCollection&&(this.stopListening(this._bindToCollection),this._bindToCollection=null);const e=Array.from(this._items);for(;this.length;)this._remove(0);this.fire("change",{added:[],removed:e,index:0})}bindTo(e){if(this._bindToCollection)throw new fn.a("collection-bind-to-rebind",this);return this._bindToCollection=e,{as:e=>{this._setUpBindToBinding(t=>new e(t))},using:e=>{"function"==typeof e?this._setUpBindToBinding(t=>e(t)):this._setUpBindToBinding(t=>t[e])}}}_setUpBindToBinding(e){const t=this._bindToCollection,n=(n,o,i)=>{const r=t._bindToCollection==this,s=t._bindToInternalToExternalMap.get(o);if(r&&s)this._bindToExternalToInternalMap.set(o,s),this._bindToInternalToExternalMap.set(s,o);else{const n=e(o);if(!n)return void this._skippedIndexesFromExternal.push(i);let r=i;for(const e of this._skippedIndexesFromExternal)i>e&&r--;for(const e of t._skippedIndexesFromExternal)r>=e&&r++;this._bindToExternalToInternalMap.set(o,n),this._bindToInternalToExternalMap.set(n,o),this.add(n,r);for(let e=0;e<t._skippedIndexesFromExternal.length;e++)r<=t._skippedIndexesFromExternal[e]&&t._skippedIndexesFromExternal[e]++}};for(const e of t)n(0,e,t.getIndex(e));this.listenTo(t,"add",n),this.listenTo(t,"remove",(e,t,n)=>{const o=this._bindToExternalToInternalMap.get(t);o&&this.remove(o),this._skippedIndexesFromExternal=this._skippedIndexesFromExternal.reduce((e,t)=>(n<t&&e.push(t-1),n>t&&e.push(t),e),[])})}_getItemIdBeforeAdding(e){const t=this._idProperty;let n;if(t in e){if(n=e[t],"string"!=typeof n)throw new fn.a("collection-add-invalid-id",this);if(this.get(n))throw new fn.a("collection-add-item-already-exists",this)}else e[t]=n=un();return n}_remove(e){let t,n,o,i=!1;const r=this._idProperty;if("string"==typeof e?(n=e,o=this._itemMap.get(n),i=!o,o&&(t=this._items.indexOf(o))):"number"==typeof e?(t=e,o=this._items[t],i=!o,o&&(n=o[r])):(o=e,n=o[r],t=this._items.indexOf(o),i=-1==t||!this._itemMap.get(n)),i)throw new fn.a("collection-remove-404",this);this._items.splice(t,1),this._itemMap.delete(n);const s=this._bindToInternalToExternalMap.get(o);return this._bindToInternalToExternalMap.delete(o),this._bindToExternalToInternalMap.delete(s),this.fire("remove",o,t),[o,t]}[Symbol.iterator](){return this._items[Symbol.iterator]()}}Cn(An,gn);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Tn{constructor(e,t=[],n=[]){this._context=e,this._plugins=new Map,this._availablePlugins=new Map;for(const e of t)e.pluginName&&this._availablePlugins.set(e.pluginName,e);this._contextPlugins=new Map;for(const[e,t]of n)this._contextPlugins.set(e,t),this._contextPlugins.set(t,e),e.pluginName&&this._availablePlugins.set(e.pluginName,e)}*[Symbol.iterator](){for(const e of this._plugins)"function"==typeof e[0]&&(yield e)}get(e){const t=this._plugins.get(e);if(!t){let t=e;throw"function"==typeof e&&(t=e.pluginName||e.name),new fn.a("plugincollection-plugin-not-loaded",this._context,{plugin:t})}return t}has(e){return this._plugins.has(e)}init(e,t=[]){const n=this,o=this._context,i=new Set,r=[],s=h(e),a=h(t),l=function(e){const t=[];for(const n of e)u(n)||t.push(n);return t.length?t:null}(e);if(l){const e="plugincollection-plugin-not-found";return Object(fn.b)(e,{plugins:l}),Promise.reject(new fn.a(e,o,{plugins:l}))}return Promise.all(s.map(c)).then(()=>d(r,"init")).then(()=>d(r,"afterInit")).then(()=>r);function c(e){if(!a.includes(e)&&!n._plugins.has(e)&&!i.has(e))return function(e){return new Promise(s=>{i.add(e),e.requires&&e.requires.forEach(n=>{const i=u(n);if(e.isContextPlugin&&!i.isContextPlugin)throw new fn.a("plugincollection-context-required",null,{plugin:i.name,requiredBy:e.name});if(t.includes(i))throw new fn.a("plugincollection-required",o,{plugin:i.name,requiredBy:e.name});c(i)});const a=n._contextPlugins.get(e)||new e(o);n._add(e,a),r.push(a),s()})}(e).catch(t=>{throw Object(fn.b)("plugincollection-load",{plugin:e}),t})}function d(e,t){return e.reduce((e,o)=>o[t]?n._contextPlugins.has(o)?e:e.then(o[t].bind(o)):e,Promise.resolve())}function u(e){return"function"==typeof e?e:n._availablePlugins.get(e)}function h(e){return e.map(e=>u(e)).filter(e=>!!e)}}destroy(){const e=[];for(const[,t]of this)"function"!=typeof t.destroy||this._contextPlugins.has(t)||e.push(t.destroy());return Promise.all(e)}_add(e,t){this._plugins.set(e,t);const n=e.pluginName;if(n){if(this._plugins.has(n))throw new fn.a("plugincollection-plugin-name-conflict",null,{pluginName:n,plugin1:this._plugins.get(n).constructor,plugin2:e});this._plugins.set(n,t)}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function En(e){return Array.isArray(e)?e:[e]}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Pn(e,t,n=1){if("number"!=typeof n)throw new fn.a("translation-service-quantity-not-a-number",null,{quantity:n});const o=Object.keys(window.CKEDITOR_TRANSLATIONS).length;1===o&&(e=Object.keys(window.CKEDITOR_TRANSLATIONS)[0]);const i=t.id||t.string;if(0===o||!function(e,t){return!!window.CKEDITOR_TRANSLATIONS[e]&&!!window.CKEDITOR_TRANSLATIONS[e].dictionary[t]}(e,i))return 1!==n?t.plural:t.string;const r=window.CKEDITOR_TRANSLATIONS[e].dictionary,s=window.CKEDITOR_TRANSLATIONS[e].getPluralForm||(e=>1===e?0:1);if("string"==typeof r[i])return r[i];const a=Number(s(n));return r[i][a]}Cn(Tn,gn),window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={});
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const Sn=["ar","fa","he","ku","ug"];class Rn{constructor(e={}){this.uiLanguage=e.uiLanguage||"en",this.contentLanguage=e.contentLanguage||this.uiLanguage,this.uiLanguageDirection=In(this.uiLanguage),this.contentLanguageDirection=In(this.contentLanguage),this.t=(e,t)=>this._t(e,t)}get language(){return console.warn("locale-deprecated-language-property: The Locale#language property has been deprecated and will be removed in the near future. Please use #uiLanguage and #contentLanguage properties instead."),this.uiLanguage}_t(e,t=[]){t=En(t),"string"==typeof e&&(e={string:e});const n=!!e.plural?t[0]:1;return function(e,t){return e.replace(/%(\d+)/g,(e,n)=>n<t.length?t[n]:e)}(Pn(this.uiLanguage,e,n),t)}}function In(e){return Sn.includes(e)?"rtl":"ltr"}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class On{constructor(e){this.config=new rn(e,this.constructor.defaultConfig);const t=this.constructor.builtinPlugins;this.config.define("plugins",t),this.plugins=new Tn(this,t);const n=this.config.get("language")||{};this.locale=new Rn({uiLanguage:"string"==typeof n?n:n.ui,contentLanguage:this.config.get("language.content")}),this.t=this.locale.t,this.editors=new An,this._contextOwner=null}initPlugins(){const e=this.config.get("plugins")||[];for(const t of e){if("function"!=typeof t)throw new fn.a("context-initplugins-constructor-only",null,{Plugin:t});if(!0!==t.isContextPlugin)throw new fn.a("context-initplugins-invalid-plugin",null,{Plugin:t})}return this.plugins.init(e)}destroy(){return Promise.all(Array.from(this.editors,e=>e.destroy())).then(()=>this.plugins.destroy())}_addEditor(e,t){if(this._contextOwner)throw new fn.a("context-addeditor-private-context");this.editors.add(e),t&&(this._contextOwner=e)}_removeEditor(e){return this.editors.has(e)&&this.editors.remove(e),this._contextOwner===e?this.destroy():Promise.resolve()}_getEditorConfig(){const e={};for(const t of this.config.names())["plugins","removePlugins","extraPlugins"].includes(t)||(e[t]=this.config.get(t));return e}static create(e){return new Promise(t=>{const n=new this(e);t(n.initPlugins().then(()=>n))})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Mn(e,t){const n=Math.min(e.length,t.length);for(let o=0;o<n;o++)if(e[o]!=t[o])return o;return e.length==t.length?"same":e.length<t.length?"prefix":"extension"}var Vn=function(e){return tn(e,4)};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Nn{constructor(e){this.document=e,this.parent=null}get index(){let e;if(!this.parent)return null;if(-1==(e=this.parent.getChildIndex(this)))throw new fn.a("view-node-not-found-in-parent",this);return e}get nextSibling(){const e=this.index;return null!==e&&this.parent.getChild(e+1)||null}get previousSibling(){const e=this.index;return null!==e&&this.parent.getChild(e-1)||null}get root(){let e=this;for(;e.parent;)e=e.parent;return e}isAttached(){return this.root.is("rootElement")}getPath(){const e=[];let t=this;for(;t.parent;)e.unshift(t.index),t=t.parent;return e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];let n=e.includeSelf?this:this.parent;for(;n;)t[e.parentFirst?"push":"unshift"](n),n=n.parent;return t}getCommonAncestor(e,t={}){const n=this.getAncestors(t),o=e.getAncestors(t);let i=0;for(;n[i]==o[i]&&n[i];)i++;return 0===i?null:n[i-1]}isBefore(e){if(this==e)return!1;if(this.root!==e.root)return!1;const t=this.getPath(),n=e.getPath(),o=Mn(t,n);switch(o){case"prefix":return!0;case"extension":return!1;default:return t[o]<n[o]}}isAfter(e){return this!=e&&(this.root===e.root&&!this.isBefore(e))}_remove(){this.parent._removeChildren(this.index)}_fireChange(e,t){this.fire("change:"+e,t),this.parent&&this.parent._fireChange(e,t)}toJSON(){const e=Vn(this);return delete e.parent,e}is(e){return"node"===e||"view:node"===e}}Cn(Nn,gn);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Dn extends Nn{constructor(e,t){super(e),this._textData=t}is(e){return"$text"===e||"view:$text"===e||"text"===e||"view:text"===e||"node"===e||"view:node"===e}get data(){return this._textData}get _data(){return this.data}set _data(e){this._fireChange("text",this),this._textData=e}isSimilar(e){return e instanceof Dn&&(this===e||this.data===e.data)}_clone(){return new Dn(this.document,this.data)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class zn{constructor(e,t,n){if(this.textNode=e,t<0||t>e.data.length)throw new fn.a("view-textproxy-wrong-offsetintext",this);if(n<0||t+n>e.data.length)throw new fn.a("view-textproxy-wrong-length",this);this.data=e.data.substring(t,t+n),this.offsetInText=t}get offsetSize(){return this.data.length}get isPartial(){return this.data.length!==this.textNode.data.length}get parent(){return this.textNode.parent}get root(){return this.textNode.root}get document(){return this.textNode.document}is(e){return"$textProxy"===e||"view:$textProxy"===e||"textProxy"===e||"view:textProxy"===e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];let n=e.includeSelf?this.textNode:this.parent;for(;null!==n;)t[e.parentFirst?"push":"unshift"](n),n=n.parent;return t}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function Fn(e){return xn(e)?new Map(e):function(e){const t=new Map;for(const n in e)t.set(n,e[n]);return t}(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Bn{constructor(...e){this._patterns=[],this.add(...e)}add(...e){for(let t of e)("string"==typeof t||t instanceof RegExp)&&(t={name:t}),t.classes&&("string"==typeof t.classes||t.classes instanceof RegExp)&&(t.classes=[t.classes]),this._patterns.push(t)}match(...e){for(const t of e)for(const e of this._patterns){const n=Ln(t,e);if(n)return{element:t,pattern:e,match:n}}return null}matchAll(...e){const t=[];for(const n of e)for(const e of this._patterns){const o=Ln(n,e);o&&t.push({element:n,pattern:e,match:o})}return t.length>0?t:null}getElementName(){if(1!==this._patterns.length)return null;const e=this._patterns[0],t=e.name;return"function"==typeof e||!t||t instanceof RegExp?null:t}}function Ln(e,t){if("function"==typeof t)return t(e);const n={};return t.name&&(n.name=function(e,t){if(e instanceof RegExp)return e.test(t);return e===t}(t.name,e.name),!n.name)||t.attributes&&(n.attributes=function(e,t){const n=[];for(const o in e){const i=e[o];if(!t.hasAttribute(o))return 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-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Oo{constructor(e){this._styles={},this._styleProcessor=e}get isEmpty(){const e=Object.entries(this._styles);return!Array.from(e).length}get size(){return this.isEmpty?0:this.getStyleNames().length}setTo(e){this.clear();const t=Array.from(function(e){let t=null,n=0,o=0,i=null;const r=new Map;if(""===e)return r;";"!=e.charAt(e.length-1)&&(e+=";");for(let s=0;s<e.length;s++){const a=e.charAt(s);if(null===t)switch(a){case":":i||(i=e.substr(n,s-n),o=s+1);break;case'"':case"'":t=a;break;case";":{const t=e.substr(o,s-o);i&&r.set(i.trim(),t.trim()),i=null,n=s+1;break}}else a===t&&(t=null)}return r}(e).entries());for(const[e,n]of t)this._styleProcessor.toNormalizedForm(e,n,this._styles)}has(e){if(this.isEmpty)return!1;const t=this._styleProcessor.getReducedForm(e,this._styles).find(([t])=>t===e);return Array.isArray(t)}set(e,t){if(F(e))for(const[t,n]of Object.entries(e))this._styleProcessor.toNormalizedForm(t,n,this._styles);else this._styleProcessor.toNormalizedForm(e,t,this._styles)}remove(e){const t=Vo(e);lo(this._styles,t),delete this._styles[e],this._cleanEmptyObjectsOnPath(t)}getNormalized(e){return this._styleProcessor.getNormalized(e,this._styles)}toString(){return this.isEmpty?"":this._getStylesEntries().map(e=>e.join(":")).sort().join(";")+";"}getAsString(e){if(this.isEmpty)return;if(this._styles[e]&&!F(this._styles[e]))return this._styles[e];const t=this._styleProcessor.getReducedForm(e,this._styles).find(([t])=>t===e);return Array.isArray(t)?t[1]:void 0}getStyleNames(){if(this.isEmpty)return[];return this._getStylesEntries().map(([e])=>e)}clear(){this._styles={}}_getStylesEntries(){const e=[],t=Object.keys(this._styles);for(const n of t)e.push(...this._styleProcessor.getReducedForm(n,this._styles));return e}_cleanEmptyObjectsOnPath(e){const t=e.split(".");if(!(t.length>1))return;const n=t.splice(0,t.length-1).join("."),o=co(this._styles,n);if(!o)return;!Array.from(Object.keys(o)).length&&this.remove(n)}}class Mo{constructor(){this._normalizers=new Map,this._extractors=new Map,this._reducers=new Map,this._consumables=new Map}toNormalizedForm(e,t,n){if(F(t))No(n,Vo(e),t);else if(this._normalizers.has(e)){const o=this._normalizers.get(e),{path:i,value:r}=o(t);No(n,i,r)}else No(n,e,t)}getNormalized(e,t){if(!e)return So({},t);if(void 0!==t[e])return t[e];if(this._extractors.has(e)){const n=this._extractors.get(e);if("string"==typeof n)return co(t,n);const o=n(e,t);if(o)return o}return co(t,Vo(e))}getReducedForm(e,t){const n=this.getNormalized(e,t);if(void 0===n)return[];if(this._reducers.has(e)){return this._reducers.get(e)(n)}return[[e,n]]}getRelatedStyles(e){return this._consumables.get(e)||[]}setNormalizer(e,t){this._normalizers.set(e,t)}setExtractor(e,t){this._extractors.set(e,t)}setReducer(e,t){this._reducers.set(e,t)}setStyleRelation(e,t){this._mapStyleNames(e,t);for(const n of t)this._mapStyleNames(n,[e])}_mapStyleNames(e,t){this._consumables.has(e)||this._consumables.set(e,[]),this._consumables.get(e).push(...t)}}function Vo(e){return e.replace("-",".")}function No(e,t,n){let o=n;F(n)&&(o=So({},co(e,t),n)),Io(e,t,o)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Do extends Nn{constructor(e,t,n,o){if(super(e),this.name=t,this._attrs=function(e){e=Fn(e);for(const[t,n]of e)null===n?e.delete(t):"string"!=typeof n&&e.set(t,String(n));return e}(n),this._children=[],o&&this._insertChild(0,o),this._classes=new Set,this._attrs.has("class")){const e=this._attrs.get("class");zo(this._classes,e),this._attrs.delete("class")}this._styles=new Oo(this.document.stylesProcessor),this._attrs.has("style")&&(this._styles.setTo(this._attrs.get("style")),this._attrs.delete("style")),this._customProperties=new Map}get childCount(){return this._children.length}get isEmpty(){return 0===this._children.length}is(e,t=null){return t?t===this.name&&("element"===e||"view:element"===e):"element"===e||"view:element"===e||"node"===e||"view:node"===e}getChild(e){return this._children[e]}getChildIndex(e){return this._children.indexOf(e)}getChildren(){return this._children[Symbol.iterator]()}*getAttributeKeys(){this._classes.size>0&&(yield"class"),this._styles.isEmpty||(yield"style"),yield*this._attrs.keys()}*getAttributes(){yield*this._attrs.entries(),this._classes.size>0&&(yield["class",this.getAttribute("class")]),this._styles.isEmpty||(yield["style",this.getAttribute("style")])}getAttribute(e){if("class"==e)return this._classes.size>0?[...this._classes].join(" "):void 0;if("style"==e){const e=this._styles.toString();return""==e?void 0:e}return this._attrs.get(e)}hasAttribute(e){return"class"==e?this._classes.size>0:"style"==e?!this._styles.isEmpty:this._attrs.has(e)}isSimilar(e){if(!(e instanceof Do))return!1;if(this===e)return!0;if(this.name!=e.name)return!1;if(this._attrs.size!==e._attrs.size||this._classes.size!==e._classes.size||this._styles.size!==e._styles.size)return!1;for(const[t,n]of this._attrs)if(!e._attrs.has(t)||e._attrs.get(t)!==n)return!1;for(const t of this._classes)if(!e._classes.has(t))return!1;for(const t of this._styles.getStyleNames())if(!e._styles.has(t)||e._styles.getAsString(t)!==this._styles.getAsString(t))return!1;return!0}hasClass(...e){for(const t of e)if(!this._classes.has(t))return!1;return!0}getClassNames(){return this._classes.keys()}getStyle(e){return this._styles.getAsString(e)}getNormalizedStyle(e){return this._styles.getNormalized(e)}getStyleNames(){return this._styles.getStyleNames()}hasStyle(...e){for(const t of e)if(!this._styles.has(t))return!1;return!0}findAncestor(...e){const t=new Bn(...e);let n=this.parent;for(;n;){if(t.match(n))return n;n=n.parent}return null}getCustomProperty(e){return this._customProperties.get(e)}*getCustomProperties(){yield*this._customProperties.entries()}getIdentity(){const e=Array.from(this._classes).sort().join(","),t=this._styles.toString(),n=Array.from(this._attrs).map(e=>`${e[0]}="${e[1]}"`).sort().join(" ");return this.name+(""==e?"":` class="${e}"`)+(t?` style="${t}"`:"")+(""==n?"":" "+n)}_clone(e=!1){const t=[];if(e)for(const n of this.getChildren())t.push(n._clone(e));const n=new this.constructor(this.document,this.name,this._attrs,t);return n._classes=new Set(this._classes),n._styles.set(this._styles.getNormalized()),n._customProperties=new Map(this._customProperties),n.getFillerOffset=this.getFillerOffset,n}_appendChild(e){return this._insertChild(this.childCount,e)}_insertChild(e,t){this._fireChange("children",this);let n=0;const o=function(e,t){if("string"==typeof t)return[new Dn(e,t)];xn(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new Dn(e,t):t instanceof zn?new Dn(e,t.data):t)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(this.document,t);for(const t of o)null!==t.parent&&t._remove(),t.parent=this,t.document=this.document,this._children.splice(e,0,t),e++,n++;return n}_removeChildren(e,t=1){this._fireChange("children",this);for(let n=e;n<e+t;n++)this._children[n].parent=null;return this._children.splice(e,t)}_setAttribute(e,t){t=String(t),this._fireChange("attributes",this),"class"==e?zo(this._classes,t):"style"==e?this._styles.setTo(t):this._attrs.set(e,t)}_removeAttribute(e){return this._fireChange("attributes",this),"class"==e?this._classes.size>0&&(this._classes.clear(),!0):"style"==e?!this._styles.isEmpty&&(this._styles.clear(),!0):this._attrs.delete(e)}_addClass(e){this._fireChange("attributes",this);for(const t of En(e))this._classes.add(t)}_removeClass(e){this._fireChange("attributes",this);for(const t of En(e))this._classes.delete(t)}_setStyle(e,t){this._fireChange("attributes",this),this._styles.set(e,t)}_removeStyle(e){this._fireChange("attributes",this);for(const t of En(e))this._styles.remove(t)}_setCustomProperty(e,t){this._customProperties.set(e,t)}_removeCustomProperty(e){return this._customProperties.delete(e)}}function zo(e,t){const n=t.split(/\s+/);e.clear(),n.forEach(t=>e.add(t))}class Fo extends Do{constructor(e,t,n,o){super(e,t,n,o),this.getFillerOffset=Bo}is(e,t=null){return t?t===this.name&&("containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e}}function Bo(){const e=[...this.getChildren()],t=e[this.childCount-1];if(t&&t.is("element","br"))return this.childCount;for(const t of e)if(!t.is("uiElement"))return null;return this.childCount}var Lo=Po((function(e,t){Se(t,st(t),e)}));
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const qo=Symbol("observableProperties"),jo=Symbol("boundObservables"),Ho=Symbol("boundProperties"),Wo={set(e,t){if(F(e))return void Object.keys(e).forEach(t=>{this.set(t,e[t])},this);Uo(this);const n=this[qo];if(e in this&&!n.has(e))throw new fn.a("observable-set-cannot-override",this);Object.defineProperty(this,e,{enumerable:!0,configurable:!0,get:()=>n.get(e),set(t){const o=n.get(e);let i=this.fire("set:"+e,e,t,o);void 0===i&&(i=t),o===i&&n.has(e)||(n.set(e,i),this.fire("change:"+e,e,i,o))}}),this[e]=t},bind(...e){if(!e.length||!Jo(e))throw new fn.a("observable-bind-wrong-properties",this);if(new Set(e).size!==e.length)throw new fn.a("observable-bind-duplicate-properties",this);Uo(this);const t=this[Ho];e.forEach(e=>{if(t.has(e))throw new fn.a("observable-bind-rebind",this)});const n=new Map;return e.forEach(e=>{const o={property:e,to:[]};t.set(e,o),n.set(e,o)}),{to:Go,toMany:Ko,_observable:this,_bindProperties:e,_to:[],_bindings:n}},unbind(...e){if(!this[qo])return;const t=this[Ho],n=this[jo];if(e.length){if(!Jo(e))throw new fn.a("observable-unbind-wrong-properties",this);e.forEach(e=>{const o=t.get(e);if(!o)return;let i,r,s,a;o.to.forEach(e=>{i=e[0],r=e[1],s=n.get(i),a=s[r],a.delete(o),a.size||delete s[r],Object.keys(s).length||(n.delete(i),this.stopListening(i,"change"))}),t.delete(e)})}else n.forEach((e,t)=>{this.stopListening(t,"change")}),n.clear(),t.clear()},decorate(e){const t=this[e];if(!t)throw new fn.a("observablemixin-cannot-decorate-undefined",this,{object:this,methodName:e});this.on(e,(e,n)=>{e.return=t.apply(this,n)}),this[e]=function(...t){return this.fire(e,t)}}};Lo(Wo,gn);var $o=Wo;function Uo(e){e[qo]||(Object.defineProperty(e,qo,{value:new Map}),Object.defineProperty(e,jo,{value:new Map}),Object.defineProperty(e,Ho,{value:new Map}))}function Go(...e){const t=function(...e){if(!e.length)throw new fn.a("observable-bind-to-parse-error",null);const t={to:[]};let n;"function"==typeof e[e.length-1]&&(t.callback=e.pop());return e.forEach(e=>{if("string"==typeof e)n.properties.push(e);else{if("object"!=typeof e)throw new fn.a("observable-bind-to-parse-error",null);n={observable:e,properties:[]},t.to.push(n)}}),t}(...e),n=Array.from(this._bindings.keys()),o=n.length;if(!t.callback&&t.to.length>1)throw new fn.a("observable-bind-to-no-callback",this);if(o>1&&t.callback)throw new fn.a("observable-bind-to-extra-callback",this);var i;
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */t.to.forEach(e=>{if(e.properties.length&&e.properties.length!==o)throw new fn.a("observable-bind-to-properties-length",this);e.properties.length||(e.properties=this._bindProperties)}),this._to=t.to,t.callback&&(this._bindings.get(n[0]).callback=t.callback),i=this._observable,this._to.forEach(e=>{const t=i[jo];let n;t.get(e.observable)||i.listenTo(e.observable,"change",(o,r)=>{n=t.get(e.observable)[r],n&&n.forEach(e=>{Zo(i,e.property)})})}),function(e){let t;e._bindings.forEach((n,o)=>{e._to.forEach(i=>{t=i.properties[n.callback?0:e._bindProperties.indexOf(o)],n.to.push([i.observable,t]),function(e,t,n,o){const i=e[jo],r=i.get(n),s=r||{};s[o]||(s[o]=new Set);s[o].add(t),r||i.set(n,s)}(e._observable,n,i.observable,t)})})}(this),this._bindProperties.forEach(e=>{Zo(this._observable,e)})}function Ko(e,t,n){if(this._bindings.size>1)throw new fn.a("observable-bind-to-many-not-one-binding",this);this.to(...function(e,t){const n=e.map(e=>[e,t]);return Array.prototype.concat.apply([],n)}(e,t),n)}function Jo(e){return e.every(e=>"string"==typeof e)}function Zo(e,t){const n=e[Ho].get(t);let o;n.callback?o=n.callback.apply(e,n.to.map(e=>e[0][e[1]])):(o=n.to[0],o=o[0][o[1]]),Object.prototype.hasOwnProperty.call(e,t)?e[t]=o:e.set(t,o)}class Qo extends Fo{constructor(e,t,n,o){super(e,t,n,o),this.set("isReadOnly",!1),this.set("isFocused",!1),this.bind("isReadOnly").to(e),this.bind("isFocused").to(e,"isFocused",t=>t&&e.selection.editableElement==this),this.listenTo(e.selection,"change",()=>{this.isFocused=e.isFocused&&e.selection.editableElement==this})}is(e,t=null){return t?t===this.name&&("editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e}destroy(){this.stopListening()}}Cn(Qo,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const Yo=Symbol("rootName");class Xo extends Qo{constructor(e,t){super(e,t),this.rootName="main"}is(e,t=null){return t?t===this.name&&("rootElement"===e||"view:rootElement"===e||"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"rootElement"===e||"view:rootElement"===e||"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e}get rootName(){return this.getCustomProperty(Yo)}set rootName(e){this._setCustomProperty(Yo,e)}set _name(e){this.name=e}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ei{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new fn.a("view-tree-walker-no-start-position",null);if(e.direction&&"forward"!=e.direction&&"backward"!=e.direction)throw new fn.a("view-tree-walker-unknown-direction",e.startPosition,{direction:e.direction});this.boundaries=e.boundaries||null,e.startPosition?this.position=ti._createAt(e.startPosition):this.position=ti._createAt(e.boundaries["backward"==e.direction?"end":"start"]),this.direction=e.direction||"forward",this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}skip(e){let t,n,o;do{o=this.position,({done:t,value:n}=this.next())}while(!t&&e(n));t||(this.position=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let e=this.position.clone();const t=this.position,n=e.parent;if(null===n.parent&&e.offset===n.childCount)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};let o;if(n instanceof Dn){if(e.isAtEnd)return this.position=ti._createAfter(n),this._next();o=n.data[e.offset]}else o=n.getChild(e.offset);if(o instanceof Do)return this.shallow?e.offset++:e=new ti(o,0),this.position=e,this._formatReturnValue("elementStart",o,t,e,1);if(o instanceof Dn){if(this.singleCharacters)return e=new ti(o,0),this.position=e,this._next();{let n,i=o.data.length;return o==this._boundaryEndParent?(i=this.boundaries.end.offset,n=new zn(o,0,i),e=ti._createAfter(n)):(n=new zn(o,0,o.data.length),e.offset++),this.position=e,this._formatReturnValue("text",n,t,e,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{o=(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-e.offset}const i=new zn(n,e.offset,o);return e.offset+=o,this.position=e,this._formatReturnValue("text",i,t,e,o)}return e=ti._createAfter(n),this.position=e,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,t,e)}_previous(){let e=this.position.clone();const t=this.position,n=e.parent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};let o;if(n instanceof Dn){if(e.isAtStart)return this.position=ti._createBefore(n),this._previous();o=n.data[e.offset-1]}else o=n.getChild(e.offset-1);if(o instanceof Do)return this.shallow?(e.offset--,this.position=e,this._formatReturnValue("elementStart",o,t,e,1)):(e=new ti(o,o.childCount),this.position=e,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",o,t,e));if(o instanceof Dn){if(this.singleCharacters)return e=new ti(o,o.data.length),this.position=e,this._previous();{let n,i=o.data.length;if(o==this._boundaryStartParent){const t=this.boundaries.start.offset;n=new zn(o,t,o.data.length-t),i=n.data.length,e=ti._createBefore(n)}else n=new zn(o,0,o.data.length),e.offset--;return this.position=e,this._formatReturnValue("text",n,t,e,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{const t=n===this._boundaryStartParent?this.boundaries.start.offset:0;o=e.offset-t}e.offset-=o;const i=new zn(n,e.offset,o);return this.position=e,this._formatReturnValue("text",i,t,e,o)}return e=ti._createBefore(n),this.position=e,this._formatReturnValue("elementStart",n,t,e,1)}_formatReturnValue(e,t,n,o,i){return t instanceof zn&&(t.offsetInText+t.data.length==t.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=ti._createAfter(t.textNode):(o=ti._createAfter(t.textNode),this.position=o)),0===t.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=ti._createBefore(t.textNode):(o=ti._createBefore(t.textNode),this.position=o))),{done:!1,value:{type:e,item:t,previousPosition:n,nextPosition:o,length:i}}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ti{constructor(e,t){this.parent=e,this.offset=t}get nodeAfter(){return this.parent.is("$text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("$text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const e=this.parent.is("$text")?this.parent.data.length:this.parent.childCount;return this.offset===e}get root(){return this.parent.root}get editableElement(){let e=this.parent;for(;!(e instanceof Qo);){if(!e.parent)return null;e=e.parent}return e}getShiftedBy(e){const t=ti._createAt(this),n=t.offset+e;return t.offset=n<0?0:n,t}getLastMatchingPosition(e,t={}){t.startPosition=this;const n=new ei(t);return n.skip(e),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(e){const t=this.getAncestors(),n=e.getAncestors();let o=0;for(;t[o]==n[o]&&t[o];)o++;return 0===o?null:t[o-1]}is(e){return"position"===e||"view:position"===e}isEqual(e){return this.parent==e.parent&&this.offset==e.offset}isBefore(e){return"before"==this.compareWith(e)}isAfter(e){return"after"==this.compareWith(e)}compareWith(e){if(this.root!==e.root)return"different";if(this.isEqual(e))return"same";const t=this.parent.is("node")?this.parent.getPath():[],n=e.parent.is("node")?e.parent.getPath():[];t.push(this.offset),n.push(e.offset);const o=Mn(t,n);switch(o){case"prefix":return"before";case"extension":return"after";default:return t[o]<n[o]?"before":"after"}}getWalker(e={}){return e.startPosition=this,new ei(e)}clone(){return new ti(this.parent,this.offset)}static _createAt(e,t){if(e instanceof ti)return new this(e.parent,e.offset);{const n=e;if("end"==t)t=n.is("$text")?n.data.length:n.childCount;else{if("before"==t)return this._createBefore(n);if("after"==t)return this._createAfter(n);if(0!==t&&!t)throw new fn.a("view-createpositionat-offset-required",n)}return new ti(n,t)}}static _createAfter(e){if(e.is("$textProxy"))return new ti(e.textNode,e.offsetInText+e.data.length);if(!e.parent)throw new fn.a("view-position-after-root",e,{root:e});return new ti(e.parent,e.index+1)}static _createBefore(e){if(e.is("$textProxy"))return new ti(e.textNode,e.offsetInText);if(!e.parent)throw new fn.a("view-position-before-root",e,{root:e});return new ti(e.parent,e.index)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ni{constructor(e,t=null){this.start=e.clone(),this.end=t?t.clone():e.clone()}*[Symbol.iterator](){yield*new ei({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let e=this.start.getLastMatchingPosition(oi,{direction:"backward"}),t=this.end.getLastMatchingPosition(oi);return e.parent.is("$text")&&e.isAtStart&&(e=ti._createBefore(e.parent)),t.parent.is("$text")&&t.isAtEnd&&(t=ti._createAfter(t.parent)),new ni(e,t)}getTrimmed(){let e=this.start.getLastMatchingPosition(oi);if(e.isAfter(this.end)||e.isEqual(this.end))return new ni(e,e);let t=this.end.getLastMatchingPosition(oi,{direction:"backward"});const n=e.nodeAfter,o=t.nodeBefore;return n&&n.is("$text")&&(e=new ti(n,0)),o&&o.is("$text")&&(t=new ti(o,o.data.length)),new ni(e,t)}isEqual(e){return this==e||this.start.isEqual(e.start)&&this.end.isEqual(e.end)}containsPosition(e){return e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const n=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),o=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return n&&o}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new ni(this.start,e.start)),this.containsPosition(e.end)&&t.push(new ni(e.end,this.end))):t.push(this.clone()),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,n=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(n=e.end),new ni(t,n)}return null}getWalker(e={}){return e.boundaries=this,new ei(e)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let e=this.start.nodeAfter,t=this.end.nodeBefore;return this.start.parent.is("$text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(e=this.start.parent.nextSibling),this.end.parent.is("$text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(t=this.end.parent.previousSibling),e&&e.is("element")&&e===t?e:null}clone(){return new ni(this.start,this.end)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new ei(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new ei(e);yield t.position;for(const e of t)yield e.nextPosition}is(e){return"range"===e||"view:range"===e}isIntersecting(e){return this.start.isBefore(e.end)&&this.end.isAfter(e.start)}static _createFromParentsAndOffsets(e,t,n,o){return new this(new ti(e,t),new ti(n,o))}static _createFromPositionAndShift(e,t){const n=e,o=e.getShiftedBy(t);return t>0?new this(n,o):new this(o,n)}static _createIn(e){return this._createFromParentsAndOffsets(e,0,e,e.childCount)}static _createOn(e){const t=e.is("$textProxy")?e.offsetSize:1;return this._createFromPositionAndShift(ti._createBefore(e),t)}}function oi(e){return!(!e.item.is("attributeElement")&&!e.item.is("uiElement"))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function ii(e){let t=0;for(const n of e)t++;return t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ri{constructor(e=null,t,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(e,t,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?e.end:e.start).clone()}get focus(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?e.start:e.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const e of this._ranges)yield e.clone()}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?e.clone():null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?e.clone():null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}isEqual(e){if(this.isFake!=e.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=e.fakeSelectionLabel)return!1;if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let n=!1;for(const o of e._ranges)if(t.isEqual(o)){n=!0;break}if(!n)return!1}return!0}isSimilar(e){if(this.isBackward!=e.isBackward)return!1;const t=ii(this.getRanges());if(t!=ii(e.getRanges()))return!1;if(0==t)return!0;for(let t of this.getRanges()){t=t.getTrimmed();let n=!1;for(let o of e.getRanges())if(o=o.getTrimmed(),t.start.isEqual(o.start)&&t.end.isEqual(o.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(e,t,n){if(null===e)this._setRanges([]),this._setFakeOptions(t);else if(e instanceof ri||e instanceof si)this._setRanges(e.getRanges(),e.isBackward),this._setFakeOptions({fake:e.isFake,label:e.fakeSelectionLabel});else if(e instanceof ni)this._setRanges([e],t&&t.backward),this._setFakeOptions(t);else if(e instanceof ti)this._setRanges([new ni(e)]),this._setFakeOptions(t);else if(e instanceof Nn){const o=!!n&&!!n.backward;let i;if(void 0===t)throw new fn.a("view-selection-setto-required-second-parameter",this);i="in"==t?ni._createIn(e):"on"==t?ni._createOn(e):new ni(ti._createAt(e,t)),this._setRanges([i],o),this._setFakeOptions(n)}else{if(!xn(e))throw new fn.a("view-selection-setto-not-selectable",this);this._setRanges(e,t&&t.backward),this._setFakeOptions(t)}this.fire("change")}setFocus(e,t){if(null===this.anchor)throw new fn.a("view-selection-setfocus-no-ranges",this);const n=ti._createAt(e,t);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.pop(),"before"==n.compareWith(o)?this._addRange(new ni(n,o),!0):this._addRange(new ni(o,n)),this.fire("change")}is(e){return"selection"===e||"view:selection"===e}_setRanges(e,t=!1){e=Array.from(e),this._ranges=[];for(const t of e)this._addRange(t);this._lastRangeBackward=!!t}_setFakeOptions(e={}){this._isFake=!!e.fake,this._fakeSelectionLabel=e.fake&&e.label||""}_addRange(e,t=!1){if(!(e instanceof ni))throw new fn.a("view-selection-add-range-not-range",this);this._pushRange(e),this._lastRangeBackward=!!t}_pushRange(e){for(const t of this._ranges)if(e.isIntersecting(t))throw new fn.a("view-selection-range-intersects",this,{addedRange:e,intersectingRange:t});this._ranges.push(new ni(e.start,e.end))}}Cn(ri,gn);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class si{constructor(e=null,t,n){this._selection=new ri,this._selection.delegate("change").to(this),this._selection.setTo(e,t,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(e){return this._selection.isEqual(e)}isSimilar(e){return this._selection.isSimilar(e)}is(e){return"selection"===e||"documentSelection"==e||"view:selection"==e||"view:documentSelection"==e}_setTo(e,t,n){this._selection.setTo(e,t,n)}_setFocus(e,t){this._selection.setFocus(e,t)}}Cn(si,gn);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class ai{constructor(e){this.selection=new si,this.roots=new An({idProperty:"rootName"}),this.stylesProcessor=e,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(e="main"){return this.roots.get(e)}registerPostFixer(e){this._postFixers.add(e)}destroy(){this.roots.map(e=>e.destroy()),this.stopListening()}_callPostFixers(e){let t=!1;do{for(const n of this._postFixers)if(t=n(e),t)break}while(t)}}Cn(ai,$o);class li extends Do{constructor(e,t,n,o){super(e,t,n,o),this.getFillerOffset=ci,this._priority=10,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new fn.a("attribute-element-get-elements-with-same-id-no-id",this);return new Set(this._clonesGroup)}is(e,t=null){return t?t===this.name&&("attributeElement"===e||"view:attributeElement"===e||"element"===e||"view:element"===e):"attributeElement"===e||"view:attributeElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e}isSimilar(e){return null!==this.id||null!==e.id?this.id===e.id:super.isSimilar(e)&&this.priority==e.priority}_clone(e){const t=super._clone(e);return t._priority=this._priority,t._id=this._id,t}}function ci(){if(di(this))return null;let e=this.parent;for(;e&&e.is("attributeElement");){if(di(e)>1)return null;e=e.parent}return!e||di(e)>1?null:this.childCount}function di(e){return Array.from(e.getChildren()).filter(e=>!e.is("uiElement")).length}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */li.DEFAULT_PRIORITY=10;class ui extends Do{constructor(e,t,n,o){super(e,t,n,o),this.getFillerOffset=hi}is(e,t=null){return t?t===this.name&&("emptyElement"===e||"view:emptyElement"===e||"element"===e||"view:element"===e):"emptyElement"===e||"view:emptyElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e}_insertChild(e,t){if(t&&(t instanceof Nn||Array.from(t).length>0))throw new fn.a("view-emptyelement-cannot-add",[this,t])}}function hi(){return null}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const fi=navigator.userAgent.toLowerCase();var pi={isMac:function(e){return e.indexOf("macintosh")>-1}(fi),isGecko:function(e){return!!e.match(/gecko\/\d+/)}(fi),isSafari:function(e){return e.indexOf(" applewebkit/")>-1&&-1===e.indexOf("chrome")}(fi),isAndroid:function(e){return e.indexOf("android")>-1}(fi),isBlink:function(e){return e.indexOf("chrome/")>-1&&e.indexOf("edge/")<0}(fi),features:{isRegExpUnicodePropertySupported:function(){let e=!1;try{e=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(e){}return e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */()}};const mi={"⌘":"ctrl","⇧":"shift","⌥":"alt"},gi={ctrl:"⌘",shift:"⇧",alt:"⌥"},bi=function(){const e={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let t=65;t<=90;t++){const n=String.fromCharCode(t);e[n.toLowerCase()]=t}for(let t=48;t<=57;t++)e[t-48]=t;for(let t=112;t<=123;t++)e["f"+(t-111)]=t;return e}();function wi(e){let t;if("string"==typeof e){if(t=bi[e.toLowerCase()],!t)throw new fn.a("keyboard-unknown-key",null,{key:e})}else t=e.keyCode+(e.altKey?bi.alt:0)+(e.ctrlKey?bi.ctrl:0)+(e.shiftKey?bi.shift:0);return t}function ki(e){return"string"==typeof e&&(e=Ci(e)),e.map(e=>"string"==typeof e?wi(e):e).reduce((e,t)=>t+e,0)}function _i(e){return pi.isMac?Ci(e).map(e=>gi[e.toLowerCase()]||e).reduce((e,t)=>e.slice(-1)in mi?e+t:e+"+"+t):e}function vi(e){return e==bi.arrowright||e==bi.arrowleft||e==bi.arrowup||e==bi.arrowdown}function yi(e,t){const n="ltr"===t;switch(e){case bi.arrowleft:return n?"left":"right";case bi.arrowright:return n?"right":"left";case bi.arrowup:return"up";case bi.arrowdown:return"down"}}function xi(e,t){const n=yi(e,t);return"down"===n||"right"===n}function Ci(e){return e.split(/\s*\+\s*/)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ai extends Do{constructor(e,t,n,o){super(e,t,n,o),this.getFillerOffset=Ei}is(e,t=null){return t?t===this.name&&("uiElement"===e||"view:uiElement"===e||"element"===e||"view:element"===e):"uiElement"===e||"view:uiElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e}_insertChild(e,t){if(t&&(t instanceof Nn||Array.from(t).length>0))throw new fn.a("view-uielement-cannot-add",this)}render(e){return this.toDomElement(e)}toDomElement(e){const t=e.createElement(this.name);for(const e of this.getAttributeKeys())t.setAttribute(e,this.getAttribute(e));return t}}function Ti(e){e.document.on("keydown",(t,n)=>function(e,t,n){if(t.keyCode==bi.arrowright){const e=t.domTarget.ownerDocument.defaultView.getSelection(),o=1==e.rangeCount&&e.getRangeAt(0).collapsed;if(o||t.shiftKey){const t=e.focusNode,i=e.focusOffset,r=n.domPositionToView(t,i);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(e=>(e.item.is("uiElement")&&(s=!0),!(!e.item.is("uiElement")&&!e.item.is("attributeElement"))));if(s){const t=n.viewPositionToDom(a);o?e.collapse(t.parent,t.offset):e.extend(t.parent,t.offset)}}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(0,n,e.domConverter))}function Ei(){return null}class Pi extends Do{constructor(e,t,n,o){super(e,t,n,o),this.getFillerOffset=Si}is(e,t=null){return t?t===this.name&&("rawElement"===e||"view:rawElement"===e||"element"===e||"view:element"===e):"rawElement"===e||"view:rawElement"===e||e===this.name||e==="view:"+this.name||"element"===e||"view:element"===e||"node"===e||"view:node"===e}_insertChild(e,t){if(t&&(t instanceof Nn||Array.from(t).length>0))throw new fn.a("view-rawelement-cannot-add",[this,t])}}function Si(){return null}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ri{constructor(e,t){this.document=e,this._children=[],t&&this._insertChild(0,t)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(e){return"documentFragment"===e||"view:documentFragment"===e}_appendChild(e){return this._insertChild(this.childCount,e)}getChild(e){return this._children[e]}getChildIndex(e){return this._children.indexOf(e)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(e,t){this._fireChange("children",this);let n=0;const o=function(e,t){if("string"==typeof t)return[new Dn(e,t)];xn(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new Dn(e,t):t instanceof zn?new Dn(e,t.data):t)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(this.document,t);for(const t of o)null!==t.parent&&t._remove(),t.parent=this,this._children.splice(e,0,t),e++,n++;return n}_removeChildren(e,t=1){this._fireChange("children",this);for(let n=e;n<e+t;n++)this._children[n].parent=null;return this._children.splice(e,t)}_fireChange(e,t){this.fire("change:"+e,t)}}Cn(Ri,gn);class Ii{constructor(e){this.document=e,this._cloneGroups=new Map}setSelection(e,t,n){this.document.selection._setTo(e,t,n)}setSelectionFocus(e,t){this.document.selection._setFocus(e,t)}createText(e){return new Dn(this.document,e)}createAttributeElement(e,t,n={}){const o=new li(this.document,e,t);return n.priority&&(o._priority=n.priority),n.id&&(o._id=n.id),o}createContainerElement(e,t){return new Fo(this.document,e,t)}createEditableElement(e,t){const n=new Qo(this.document,e,t);return n._document=this.document,n}createEmptyElement(e,t){return new ui(this.document,e,t)}createUIElement(e,t,n){const o=new Ai(this.document,e,t);return n&&(o.render=n),o}createRawElement(e,t,n){const o=new Pi(this.document,e,t);return o.render=n||(()=>{}),o}setAttribute(e,t,n){n._setAttribute(e,t)}removeAttribute(e,t){t._removeAttribute(e)}addClass(e,t){t._addClass(e)}removeClass(e,t){t._removeClass(e)}setStyle(e,t,n){x(e)&&void 0===n&&(n=t),n._setStyle(e,t)}removeStyle(e,t){t._removeStyle(e)}setCustomProperty(e,t,n){n._setCustomProperty(e,t)}removeCustomProperty(e,t){return t._removeCustomProperty(e)}breakAttributes(e){return e instanceof ti?this._breakAttributes(e):this._breakAttributesRange(e)}breakContainer(e){const t=e.parent;if(!t.is("containerElement"))throw new fn.a("view-writer-break-non-container-element",this.document);if(!t.parent)throw new fn.a("view-writer-break-root",this.document);if(e.isAtStart)return ti._createBefore(t);if(!e.isAtEnd){const n=t._clone(!1);this.insert(ti._createAfter(t),n);const o=new ni(e,ti._createAt(t,"end")),i=new ti(n,0);this.move(o,i)}return ti._createAfter(t)}mergeAttributes(e){const t=e.offset,n=e.parent;if(n.is("$text"))return e;if(n.is("attributeElement")&&0===n.childCount){const e=n.parent,t=n.index;return n._remove(),this._removeFromClonedElementsGroup(n),this.mergeAttributes(new ti(e,t))}const o=n.getChild(t-1),i=n.getChild(t);if(!o||!i)return e;if(o.is("$text")&&i.is("$text"))return Di(o,i);if(o.is("attributeElement")&&i.is("attributeElement")&&o.isSimilar(i)){const e=o.childCount;return o._appendChild(i.getChildren()),i._remove(),this._removeFromClonedElementsGroup(i),this.mergeAttributes(new ti(o,e))}return e}mergeContainers(e){const t=e.nodeBefore,n=e.nodeAfter;if(!(t&&n&&t.is("containerElement")&&n.is("containerElement")))throw new fn.a("view-writer-merge-containers-invalid-position",this.document);const o=t.getChild(t.childCount-1),i=o instanceof Dn?ti._createAt(o,"end"):ti._createAt(t,"end");return this.move(ni._createIn(n),ti._createAt(t,"end")),this.remove(ni._createOn(n)),i}insert(e,t){(function e(t,n){for(const o of t){if(!zi.some(e=>o instanceof e))throw new fn.a("view-writer-insert-invalid-node-type",n);o.is("$text")||e(o.getChildren(),n)}})(t=xn(t)?[...t]:[t],this.document);const n=Oi(e);if(!n)throw new fn.a("view-writer-invalid-position-container",this.document);const o=this._breakAttributes(e,!0),i=n._insertChild(o.offset,t);for(const e of t)this._addToClonedElementsGroup(e);const r=o.getShiftedBy(i),s=this.mergeAttributes(o);if(0===i)return new ni(s,s);{s.isEqual(o)||r.offset--;const e=this.mergeAttributes(r);return new ni(s,e)}}remove(e){const t=e instanceof ni?e:ni._createOn(e);if(Bi(t,this.document),t.isCollapsed)return new Ri(this.document);const{start:n,end:o}=this._breakAttributesRange(t,!0),i=n.parent,r=o.offset-n.offset,s=i._removeChildren(n.offset,r);for(const e of s)this._removeFromClonedElementsGroup(e);const a=this.mergeAttributes(n);return t.start=a,t.end=a.clone(),new Ri(this.document,s)}clear(e,t){Bi(e,this.document);const n=e.getWalker({direction:"backward",ignoreElementEnd:!0});for(const o of n){const n=o.item;let i;if(n.is("element")&&t.isSimilar(n))i=ni._createOn(n);else if(!o.nextPosition.isAfter(e.start)&&n.is("$textProxy")){const e=n.getAncestors().find(e=>e.is("element")&&t.isSimilar(e));e&&(i=ni._createIn(e))}i&&(i.end.isAfter(e.end)&&(i.end=e.end),i.start.isBefore(e.start)&&(i.start=e.start),this.remove(i))}}move(e,t){let n;if(t.isAfter(e.end)){const o=(t=this._breakAttributes(t,!0)).parent,i=o.childCount;e=this._breakAttributesRange(e,!0),n=this.remove(e),t.offset+=o.childCount-i}else n=this.remove(e);return this.insert(t,n)}wrap(e,t){if(!(t instanceof li))throw new fn.a("view-writer-wrap-invalid-attribute",this.document);if(Bi(e,this.document),e.isCollapsed){let o=e.start;o.parent.is("element")&&(n=o.parent,!Array.from(n.getChildren()).some(e=>!e.is("uiElement")))&&(o=o.getLastMatchingPosition(e=>e.item.is("uiElement"))),o=this._wrapPosition(o,t);const i=this.document.selection;return i.isCollapsed&&i.getFirstPosition().isEqual(e.start)&&this.setSelection(o),new ni(o)}return this._wrapRange(e,t);var n}unwrap(e,t){if(!(t instanceof li))throw new fn.a("view-writer-unwrap-invalid-attribute",this.document);if(Bi(e,this.document),e.isCollapsed)return e;const{start:n,end:o}=this._breakAttributesRange(e,!0),i=n.parent,r=this._unwrapChildren(i,n.offset,o.offset,t),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new ni(s,a)}rename(e,t){const n=new Fo(this.document,e,t.getAttributes());return this.insert(ti._createAfter(t),n),this.move(ni._createIn(t),ti._createAt(n,0)),this.remove(ni._createOn(t)),n}clearClonedElementsGroup(e){this._cloneGroups.delete(e)}createPositionAt(e,t){return ti._createAt(e,t)}createPositionAfter(e){return ti._createAfter(e)}createPositionBefore(e){return ti._createBefore(e)}createRange(e,t){return new ni(e,t)}createRangeOn(e){return ni._createOn(e)}createRangeIn(e){return ni._createIn(e)}createSelection(e,t,n){return new ri(e,t,n)}_wrapChildren(e,t,n,o){let i=t;const r=[];for(;i<n;){const t=e.getChild(i),n=t.is("$text"),s=t.is("attributeElement"),a=t.is("emptyElement"),l=t.is("uiElement"),c=t.is("rawElement");if(s&&this._wrapAttributeElement(o,t))r.push(new ti(e,i));else if(n||a||l||c||s&&Mi(o,t)){const n=o._clone();t._remove(),n._appendChild(t),e._insertChild(i,n),this._addToClonedElementsGroup(n),r.push(new ti(e,i))}else s&&this._wrapChildren(t,0,t.childCount,o);i++}let s=0;for(const e of r){if(e.offset-=s,e.offset==t)continue;this.mergeAttributes(e).isEqual(e)||(s++,n--)}return ni._createFromParentsAndOffsets(e,t,e,n)}_unwrapChildren(e,t,n,o){let i=t;const r=[];for(;i<n;){const t=e.getChild(i);if(t.is("attributeElement"))if(t.isSimilar(o)){const o=t.getChildren(),s=t.childCount;t._remove(),e._insertChild(i,o),this._removeFromClonedElementsGroup(t),r.push(new ti(e,i),new ti(e,i+s)),i+=s,n+=s-1}else this._unwrapAttributeElement(o,t)?(r.push(new ti(e,i),new ti(e,i+1)),i++):(this._unwrapChildren(t,0,t.childCount,o),i++);else i++}let s=0;for(const e of r){if(e.offset-=s,e.offset==t||e.offset==n)continue;this.mergeAttributes(e).isEqual(e)||(s++,n--)}return ni._createFromParentsAndOffsets(e,t,e,n)}_wrapRange(e,t){const{start:n,end:o}=this._breakAttributesRange(e,!0),i=n.parent,r=this._wrapChildren(i,n.offset,o.offset,t),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new ni(s,a)}_wrapPosition(e,t){if(t.isSimilar(e.parent))return Vi(e.clone());e.parent.is("$text")&&(e=Ni(e));const n=this.createAttributeElement();n._priority=Number.POSITIVE_INFINITY,n.isSimilar=()=>!1,e.parent._insertChild(e.offset,n);const o=new ni(e,e.getShiftedBy(1));this.wrap(o,t);const i=new ti(n.parent,n.index);n._remove();const r=i.nodeBefore,s=i.nodeAfter;return r instanceof Dn&&s instanceof Dn?Di(r,s):Vi(i)}_wrapAttributeElement(e,t){if(!Li(e,t))return!1;if(e.name!==t.name||e.priority!==t.priority)return!1;for(const n of e.getAttributeKeys())if("class"!==n&&"style"!==n&&t.hasAttribute(n)&&t.getAttribute(n)!==e.getAttribute(n))return!1;for(const n of e.getStyleNames())if(t.hasStyle(n)&&t.getStyle(n)!==e.getStyle(n))return!1;for(const n of e.getAttributeKeys())"class"!==n&&"style"!==n&&(t.hasAttribute(n)||this.setAttribute(n,e.getAttribute(n),t));for(const n of e.getStyleNames())t.hasStyle(n)||this.setStyle(n,e.getStyle(n),t);for(const n of e.getClassNames())t.hasClass(n)||this.addClass(n,t);return!0}_unwrapAttributeElement(e,t){if(!Li(e,t))return!1;if(e.name!==t.name||e.priority!==t.priority)return!1;for(const n of e.getAttributeKeys())if("class"!==n&&"style"!==n&&(!t.hasAttribute(n)||t.getAttribute(n)!==e.getAttribute(n)))return!1;if(!t.hasClass(...e.getClassNames()))return!1;for(const n of e.getStyleNames())if(!t.hasStyle(n)||t.getStyle(n)!==e.getStyle(n))return!1;for(const n of e.getAttributeKeys())"class"!==n&&"style"!==n&&this.removeAttribute(n,t);return this.removeClass(Array.from(e.getClassNames()),t),this.removeStyle(Array.from(e.getStyleNames()),t),!0}_breakAttributesRange(e,t=!1){const n=e.start,o=e.end;if(Bi(e,this.document),e.isCollapsed){const n=this._breakAttributes(e.start,t);return new ni(n,n)}const i=this._breakAttributes(o,t),r=i.parent.childCount,s=this._breakAttributes(n,t);return i.offset+=i.parent.childCount-r,new ni(s,i)}_breakAttributes(e,t=!1){const n=e.offset,o=e.parent;if(e.parent.is("emptyElement"))throw new fn.a("view-writer-cannot-break-empty-element",this.document);if(e.parent.is("uiElement"))throw new fn.a("view-writer-cannot-break-ui-element",this.document);if(e.parent.is("rawElement"))throw new fn.a("view-writer-cannot-break-raw-element",this.document);if(!t&&o.is("$text")&&Fi(o.parent))return e.clone();if(Fi(o))return e.clone();if(o.is("$text"))return this._breakAttributes(Ni(e),t);if(n==o.childCount){const e=new ti(o.parent,o.index+1);return this._breakAttributes(e,t)}if(0===n){const e=new ti(o.parent,o.index);return this._breakAttributes(e,t)}{const e=o.index+1,i=o._clone();o.parent._insertChild(e,i),this._addToClonedElementsGroup(i);const r=o.childCount-n,s=o._removeChildren(n,r);i._appendChild(s);const a=new ti(o.parent,e);return this._breakAttributes(a,t)}}_addToClonedElementsGroup(e){if(!e.root.is("rootElement"))return;if(e.is("element"))for(const t of e.getChildren())this._addToClonedElementsGroup(t);const t=e.id;if(!t)return;let n=this._cloneGroups.get(t);n||(n=new Set,this._cloneGroups.set(t,n)),n.add(e),e._clonesGroup=n}_removeFromClonedElementsGroup(e){if(e.is("element"))for(const t of e.getChildren())this._removeFromClonedElementsGroup(t);const t=e.id;if(!t)return;const n=this._cloneGroups.get(t);n&&n.delete(e)}}function Oi(e){let t=e.parent;for(;!Fi(t);){if(!t)return;t=t.parent}return t}function Mi(e,t){return e.priority<t.priority||!(e.priority>t.priority)&&e.getIdentity()<t.getIdentity()}function Vi(e){const t=e.nodeBefore;if(t&&t.is("$text"))return new ti(t,t.data.length);const n=e.nodeAfter;return n&&n.is("$text")?new ti(n,0):e}function Ni(e){if(e.offset==e.parent.data.length)return new ti(e.parent.parent,e.parent.index+1);if(0===e.offset)return new ti(e.parent.parent,e.parent.index);const t=e.parent.data.slice(e.offset);return e.parent._data=e.parent.data.slice(0,e.offset),e.parent.parent._insertChild(e.parent.index+1,new Dn(e.root.document,t)),new ti(e.parent.parent,e.parent.index+1)}function Di(e,t){const n=e.data.length;return e._data+=t.data,t._remove(),new ti(e,n)}const zi=[Dn,li,Fo,ui,Pi,Ai];function Fi(e){return e&&(e.is("containerElement")||e.is("documentFragment"))}function Bi(e,t){const n=Oi(e.start),o=Oi(e.end);if(!n||!o||n!==o)throw new fn.a("view-writer-invalid-range-container",t)}function Li(e,t){return null===e.id&&null===t.id}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function qi(e){return"[object Text]"==Object.prototype.toString.call(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const ji=e=>e.createTextNode(" "),Hi=e=>{const t=e.createElement("br");return t.dataset.ckeFiller=!0,t},Wi=(()=>{let e="";for(let t=0;t<7;t++)e+="​";return e})();function $i(e){return qi(e)&&e.data.substr(0,7)===Wi}function Ui(e){return 7==e.data.length&&$i(e)}function Gi(e){return $i(e)?e.data.slice(7):e.data}function Ki(e,t){if(t.keyCode==bi.arrowleft){const e=t.domTarget.ownerDocument.defaultView.getSelection();if(1==e.rangeCount&&e.getRangeAt(0).collapsed){const t=e.getRangeAt(0).startContainer,n=e.getRangeAt(0).startOffset;$i(t)&&n<=7&&e.collapse(t,0)}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Ji(e,t,n,o=!1){n=n||function(e,t){return e===t},Array.isArray(e)||(e=Array.prototype.slice.call(e)),Array.isArray(t)||(t=Array.prototype.slice.call(t));const i=function(e,t,n){const o=Zi(e,t,n);if(-1===o)return{firstIndex:-1,lastIndexOld:-1,lastIndexNew:-1};const i=Qi(e,o),r=Qi(t,o),s=Zi(i,r,n),a=e.length-s,l=t.length-s;return{firstIndex:o,lastIndexOld:a,lastIndexNew:l}}(e,t,n);return o?function(e,t){const{firstIndex:n,lastIndexOld:o,lastIndexNew:i}=e;if(-1===n)return Array(t).fill("equal");let r=[];n>0&&(r=r.concat(Array(n).fill("equal")));i-n>0&&(r=r.concat(Array(i-n).fill("insert")));o-n>0&&(r=r.concat(Array(o-n).fill("delete")));i<t&&(r=r.concat(Array(t-i).fill("equal")));return r}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(i,t.length):function(e,t){const n=[],{firstIndex:o,lastIndexOld:i,lastIndexNew:r}=t;r-o>0&&n.push({index:o,type:"insert",values:e.slice(o,r)});i-o>0&&n.push({index:o+(r-o),type:"delete",howMany:i-o});return n}(t,i)}function Zi(e,t,n){for(let o=0;o<Math.max(e.length,t.length);o++)if(void 0===e[o]||void 0===t[o]||!n(e[o],t[o]))return o;return-1}function Qi(e,t){return e.slice(t).reverse()}function Yi(e,t,n){n=n||function(e,t){return e===t};const o=e.length,i=t.length;if(o>200||i>200||o+i>300)return Yi.fastDiff(e,t,n,!0);let r,s;if(i<o){const n=e;e=t,t=n,r="delete",s="insert"}else r="insert",s="delete";const a=e.length,l=t.length,c=l-a,d={},u={};function h(o){const i=(void 0!==u[o-1]?u[o-1]:-1)+1,c=void 0!==u[o+1]?u[o+1]:-1,h=i>c?-1:1;d[o+h]&&(d[o]=d[o+h].slice(0)),d[o]||(d[o]=[]),d[o].push(i>c?r:s);let f=Math.max(i,c),p=f-o;for(;p<a&&f<l&&n(e[p],t[f]);)p++,f++,d[o].push("equal");return f}let f,p=0;do{for(f=-p;f<c;f++)u[f]=h(f);for(f=c+p;f>c;f--)u[f]=h(f);u[c]=h(c),p++}while(u[c]!==l);return d[c].slice(1)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function Xi(e,t,n){e.insertBefore(n,e.childNodes[t]||null)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function er(e){const t=e.parentNode;t&&t.removeChild(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function tr(e){if(e){if(e.defaultView)return e instanceof e.defaultView.Document;if(e.ownerDocument&&e.ownerDocument.defaultView)return e instanceof e.ownerDocument.defaultView.Node}return!1}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */Yi.fastDiff=Ji;class nr{constructor(e,t){this.domDocuments=new Set,this.domConverter=e,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this.selection=t,this.isFocused=!1,this._inlineFiller=null,this._fakeSelectionContainer=null}markToSync(e,t){if("text"===e)this.domConverter.mapViewToDom(t.parent)&&this.markedTexts.add(t);else{if(!this.domConverter.mapViewToDom(t))return;if("attributes"===e)this.markedAttributes.add(t);else{if("children"!==e)throw new fn.a("view-renderer-unknown-type",this);this.markedChildren.add(t)}}}render(){let e;for(const e of this.markedChildren)this._updateChildrenMappings(e);this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?e=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(e=this.selection.getFirstPosition(),this.markedChildren.add(e.parent));for(const e of this.markedAttributes)this._updateAttrs(e);for(const t of this.markedChildren)this._updateChildren(t,{inlineFillerPosition:e});for(const t of this.markedTexts)!this.markedChildren.has(t.parent)&&this.domConverter.mapViewToDom(t.parent)&&this._updateText(t,{inlineFillerPosition:e});if(e){const t=this.domConverter.viewPositionToDom(e),n=t.parent.ownerDocument;$i(t.parent)?this._inlineFiller=t.parent:this._inlineFiller=or(n,t.parent,t.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const n=this.domConverter.mapViewToDom(e).childNodes,o=Array.from(this.domConverter.viewChildrenToDom(e,t.ownerDocument,{withChildren:!1})),i=this._diffNodeLists(n,o),r=this._findReplaceActions(i,n,o);if(-1!==r.indexOf("replace")){const t={equal:0,insert:0,delete:0};for(const i of r)if("replace"===i){const i=t.equal+t.insert,r=t.equal+t.delete,s=e.getChild(i);!s||s.is("uiElement")||s.is("rawElement")||this._updateElementMappings(s,n[r]),er(o[i]),t.equal++}else t[i]++}}_updateElementMappings(e,t){this.domConverter.unbindDomElement(t),this.domConverter.bindElements(t,e),this.markedChildren.add(e),this.markedAttributes.add(e)}_getInlineFillerPosition(){const e=this.selection.getFirstPosition();return e.parent.is("$text")?ti._createBefore(this.selection.getFirstPosition().parent):e}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=this.domConverter.viewPositionToDom(e);return!!(t&&qi(t.parent)&&$i(t.parent))}_removeInlineFiller(){const e=this._inlineFiller;if(!$i(e))throw new fn.a("view-renderer-filler-was-lost",this);Ui(e)?e.parentNode.removeChild(e):e.data=e.data.substr(7),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=e.parent,n=e.offset;if(!this.domConverter.mapViewToDom(t.root))return!1;if(!t.is("element"))return!1;if(!function(e){if("false"==e.getAttribute("contenteditable"))return!1;const t=e.findAncestor(e=>e.hasAttribute("contenteditable"));return!t||"true"==t.getAttribute("contenteditable")}(t))return!1;if(n===t.getFillerOffset())return!1;const o=e.nodeBefore,i=e.nodeAfter;return!(o instanceof Dn||i instanceof Dn)}_updateText(e,t){const n=this.domConverter.findCorrespondingDomText(e),o=this.domConverter.viewToDom(e,n.ownerDocument),i=n.data;let r=o.data;const s=t.inlineFillerPosition;if(s&&s.parent==e.parent&&s.offset==e.index&&(r=Wi+r),i!=r){const e=Ji(i,r);for(const t of e)"insert"===t.type?n.insertData(t.index,t.values.join("")):n.deleteData(t.index,t.howMany)}}_updateAttrs(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const n=Array.from(t.attributes).map(e=>e.name),o=e.getAttributeKeys();for(const n of o)t.setAttribute(n,e.getAttribute(n));for(const o of n)e.hasAttribute(o)||t.removeAttribute(o)}_updateChildren(e,t){const n=this.domConverter.mapViewToDom(e);if(!n)return;const o=t.inlineFillerPosition,i=this.domConverter.mapViewToDom(e).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(e,n.ownerDocument,{bind:!0,inlineFillerPosition:o}));o&&o.parent===e&&or(n.ownerDocument,r,o.offset);const s=this._diffNodeLists(i,r);let a=0;const l=new Set;for(const e of s)"delete"===e?(l.add(i[a]),er(i[a])):"equal"===e&&a++;a=0;for(const e of s)"insert"===e?(Xi(n,a,r[a]),a++):"equal"===e&&(this._markDescendantTextToSync(this.domConverter.domToView(r[a])),a++);for(const e of l)e.parentNode||this.domConverter.unbindDomElement(e)}_diffNodeLists(e,t){return Yi(e=function(e,t){const n=Array.from(e);if(0==n.length||!t)return n;n[n.length-1]==t&&n.pop();return n}(e,this._fakeSelectionContainer),t,rr.bind(null,this.domConverter))}_findReplaceActions(e,t,n){if(-1===e.indexOf("insert")||-1===e.indexOf("delete"))return e;let o=[],i=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of e)"insert"===a?r.push(n[s.equal+s.insert]):"delete"===a?i.push(t[s.equal+s.delete]):(o=o.concat(Yi(i,r,ir).map(e=>"equal"===e?"replace":e)),o.push("equal"),i=[],r=[]),s[a]++;return o.concat(Yi(i,r,ir).map(e=>"equal"===e?"replace":e))}_markDescendantTextToSync(e){if(e)if(e.is("$text"))this.markedTexts.add(e);else if(e.is("element"))for(const t of e.getChildren())this._markDescendantTextToSync(t)}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const e=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&e&&(this.selection.isFake?this._updateFakeSelection(e):(this._removeFakeSelection(),this._updateDomSelection(e)))}_updateFakeSelection(e){const t=e.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(e){const t=e.createElement("div");return t.className="ck-fake-selection-container",Object.assign(t.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),t.textContent=" ",t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(t));const n=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(n,this.selection),!this._fakeSelectionNeedsUpdate(e))return;n.parentElement&&n.parentElement==e||e.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const o=t.getSelection(),i=t.createRange();o.removeAllRanges(),i.selectNodeContents(n),o.addRange(i)}_updateDomSelection(e){const t=e.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(t))return;const n=this.domConverter.viewPositionToDom(this.selection.anchor),o=this.domConverter.viewPositionToDom(this.selection.focus);e.focus(),t.collapse(n.parent,n.offset),t.extend(o.parent,o.offset),pi.isGecko&&function(e,t){const n=e.parent;if(n.nodeType!=Node.ELEMENT_NODE||e.offset!=n.childNodes.length-1)return;const o=n.childNodes[e.offset];o&&"BR"==o.tagName&&t.addRange(t.getRangeAt(0))}(o,t)}_domSelectionNeedsUpdate(e){if(!this.domConverter.isDomSelectionCorrect(e))return!0;const t=e&&this.domConverter.domSelectionToView(e);return(!t||!this.selection.isEqual(t))&&!(!this.selection.isCollapsed&&this.selection.isSimilar(t))}_fakeSelectionNeedsUpdate(e){const t=this._fakeSelectionContainer,n=e.ownerDocument.getSelection();return!t||t.parentElement!==e||(n.anchorNode!==t&&!t.contains(n.anchorNode)||t.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const e of this.domDocuments){if(e.getSelection().rangeCount){const t=e.activeElement,n=this.domConverter.mapDomToView(t);t&&n&&e.getSelection().removeAllRanges()}}}_removeFakeSelection(){const e=this._fakeSelectionContainer;e&&e.remove()}_updateFocus(){if(this.isFocused){const e=this.selection.editableElement;e&&this.domConverter.focus(e)}}}function or(e,t,n){const o=t instanceof Array?t:t.childNodes,i=o[n];if(qi(i))return i.data=Wi+i.data,i;{const i=e.createTextNode(Wi);return Array.isArray(t)?o.splice(n,0,i):Xi(t,n,i),i}}function ir(e,t){return tr(e)&&tr(t)&&!qi(e)&&!qi(t)&&e.nodeType!==Node.COMMENT_NODE&&t.nodeType!==Node.COMMENT_NODE&&e.tagName.toLowerCase()===t.tagName.toLowerCase()}function rr(e,t,n){return t===n||(qi(t)&&qi(n)?t.data===n.data:!(!e.isBlockFiller(t)||!e.isBlockFiller(n)))}Cn(nr,$o);var sr={window:window,document:document};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function ar(e){let t=0;for(;e.previousSibling;)e=e.previousSibling,t++;return t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function lr(e){const t=[];for(;e&&e.nodeType!=Node.DOCUMENT_NODE;)t.unshift(e),e=e.parentNode;return t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const cr=Hi(document);class dr{constructor(e,t={}){this.document=e,this.blockFillerMode=t.blockFillerMode||"br",this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption","td","th"],this._blockFiller="br"==this.blockFillerMode?Hi:ji,this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap,this._rawContentElementMatcher=new Bn,this._encounteredRawContentDomNodes=new WeakSet}bindFakeSelection(e,t){this._fakeSelectionMapping.set(e,new ri(t))}fakeSelectionToView(e){return this._fakeSelectionMapping.get(e)}bindElements(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}unbindDomElement(e){const t=this._domToViewMapping.get(e);if(t){this._domToViewMapping.delete(e),this._viewToDomMapping.delete(t);for(const t of e.childNodes)this.unbindDomElement(t)}}bindDocumentFragments(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}viewToDom(e,t,n={}){if(e.is("$text")){const n=this._processDataFromViewText(e);return t.createTextNode(n)}{if(this.mapViewToDom(e))return this.mapViewToDom(e);let o;if(e.is("documentFragment"))o=t.createDocumentFragment(),n.bind&&this.bindDocumentFragments(o,e);else{if(e.is("uiElement"))return o=e.render(t),n.bind&&this.bindElements(o,e),o;o=e.hasAttribute("xmlns")?t.createElementNS(e.getAttribute("xmlns"),e.name):t.createElement(e.name),e.is("rawElement")&&e.render(o),n.bind&&this.bindElements(o,e);for(const t of e.getAttributeKeys())o.setAttribute(t,e.getAttribute(t))}if(!1!==n.withChildren)for(const i of this.viewChildrenToDom(e,t,n))o.appendChild(i);return o}}*viewChildrenToDom(e,t,n={}){const o=e.getFillerOffset&&e.getFillerOffset();let i=0;for(const r of e.getChildren())o===i&&(yield this._blockFiller(t)),yield this.viewToDom(r,t,n),i++;o===i&&(yield this._blockFiller(t))}viewRangeToDom(e){const t=this.viewPositionToDom(e.start),n=this.viewPositionToDom(e.end),o=document.createRange();return o.setStart(t.parent,t.offset),o.setEnd(n.parent,n.offset),o}viewPositionToDom(e){const t=e.parent;if(t.is("$text")){const n=this.findCorrespondingDomText(t);if(!n)return null;let o=e.offset;return $i(n)&&(o+=7),{parent:n,offset:o}}{let n,o,i;if(0===e.offset){if(n=this.mapViewToDom(t),!n)return null;i=n.childNodes[0]}else{const t=e.nodeBefore;if(o=t.is("$text")?this.findCorrespondingDomText(t):this.mapViewToDom(e.nodeBefore),!o)return null;n=o.parentNode,i=o.nextSibling}if(qi(i)&&$i(i))return{parent:i,offset:7};return{parent:n,offset:o?ar(o)+1:0}}}domToView(e,t={}){if(this.isBlockFiller(e,this.blockFillerMode))return null;const n=this.getHostViewElement(e);if(n)return n;if(qi(e)){if(Ui(e))return null;{const t=this._processDataFromDomText(e);return""===t?null:new Dn(this.document,t)}}if(this.isComment(e))return null;{if(this.mapDomToView(e))return this.mapDomToView(e);let n;if(this.isDocumentFragment(e))n=new Ri(this.document),t.bind&&this.bindDocumentFragments(e,n);else{const o=t.keepOriginalCase?e.tagName:e.tagName.toLowerCase();n=new Do(this.document,o),t.bind&&this.bindElements(e,n);const i=e.attributes;for(let e=i.length-1;e>=0;e--)n._setAttribute(i[e].name,i[e].value);if(!1!==t.withChildren&&this._rawContentElementMatcher.match(n))return n._setCustomProperty("$rawContent",e.innerHTML),this._encounteredRawContentDomNodes.add(e),n}if(!1!==t.withChildren)for(const o of this.domChildrenToView(e,t))n._appendChild(o);return n}}*domChildrenToView(e,t={}){for(let n=0;n<e.childNodes.length;n++){const o=e.childNodes[n],i=this.domToView(o,t);null!==i&&(yield i)}}domSelectionToView(e){if(1===e.rangeCount){let t=e.getRangeAt(0).startContainer;qi(t)&&(t=t.parentNode);const n=this.fakeSelectionToView(t);if(n)return n}const t=this.isDomSelectionBackward(e),n=[];for(let t=0;t<e.rangeCount;t++){const o=e.getRangeAt(t),i=this.domRangeToView(o);i&&n.push(i)}return new ri(n,{backward:t})}domRangeToView(e){const t=this.domPositionToView(e.startContainer,e.startOffset),n=this.domPositionToView(e.endContainer,e.endOffset);return t&&n?new ni(t,n):null}domPositionToView(e,t){if(this.isBlockFiller(e,this.blockFillerMode))return this.domPositionToView(e.parentNode,ar(e));const n=this.mapDomToView(e);if(n&&(n.is("uiElement")||n.is("rawElement")))return ti._createBefore(n);if(qi(e)){if(Ui(e))return this.domPositionToView(e.parentNode,ar(e));const n=this.findCorrespondingViewText(e);let o=t;return n?($i(e)&&(o-=7,o=o<0?0:o),new ti(n,o)):null}if(0===t){const t=this.mapDomToView(e);if(t)return new ti(t,0)}else{const n=e.childNodes[t-1],o=qi(n)?this.findCorrespondingViewText(n):this.mapDomToView(n);if(o&&o.parent)return new ti(o.parent,o.index+1)}return null}mapDomToView(e){return this.getHostViewElement(e)||this._domToViewMapping.get(e)}findCorrespondingViewText(e){if(Ui(e))return null;const t=this.getHostViewElement(e);if(t)return t;const n=e.previousSibling;if(n){if(!this.isElement(n))return null;const e=this.mapDomToView(n);if(e){return e.nextSibling instanceof Dn?e.nextSibling:null}}else{const t=this.mapDomToView(e.parentNode);if(t){const e=t.getChild(0);return e instanceof Dn?e:null}}return null}mapViewToDom(e){return this._viewToDomMapping.get(e)}findCorrespondingDomText(e){const t=e.previousSibling;return t&&this.mapViewToDom(t)?this.mapViewToDom(t).nextSibling:!t&&e.parent&&this.mapViewToDom(e.parent)?this.mapViewToDom(e.parent).childNodes[0]:null}focus(e){const t=this.mapViewToDom(e);if(t&&t.ownerDocument.activeElement!==t){const{scrollX:e,scrollY:n}=sr.window,o=[];hr(t,e=>{const{scrollLeft:t,scrollTop:n}=e;o.push([t,n])}),t.focus(),hr(t,e=>{const[t,n]=o.shift();e.scrollLeft=t,e.scrollTop=n}),sr.window.scrollTo(e,n)}}isElement(e){return e&&e.nodeType==Node.ELEMENT_NODE}isDocumentFragment(e){return e&&e.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isComment(e){return e&&e.nodeType==Node.COMMENT_NODE}isBlockFiller(e){return"br"==this.blockFillerMode?e.isEqualNode(cr):!("BR"!==e.tagName||!fr(e,this.blockElements)||1!==e.parentNode.childNodes.length)||function(e,t){return qi(e)&&" "==e.data&&fr(e,t)&&1===e.parentNode.childNodes.length}(e,this.blockElements)}isDomSelectionBackward(e){if(e.isCollapsed)return!1;const t=document.createRange();t.setStart(e.anchorNode,e.anchorOffset),t.setEnd(e.focusNode,e.focusOffset);const n=t.collapsed;return t.detach(),n}getHostViewElement(e){const t=lr(e);for(t.pop();t.length;){const e=t.pop(),n=this._domToViewMapping.get(e);if(n&&(n.is("uiElement")||n.is("rawElement")))return n}return null}isDomSelectionCorrect(e){return this._isDomSelectionPositionCorrect(e.anchorNode,e.anchorOffset)&&this._isDomSelectionPositionCorrect(e.focusNode,e.focusOffset)}registerRawContentMatcher(e){this._rawContentElementMatcher.add(e)}_isDomSelectionPositionCorrect(e,t){if(qi(e)&&$i(e)&&t<7)return!1;if(this.isElement(e)&&$i(e.childNodes[t]))return!1;const n=this.mapDomToView(e);return!n||!n.is("uiElement")&&!n.is("rawElement")}_processDataFromViewText(e){let t=e.data;if(e.getAncestors().some(e=>this.preElements.includes(e.name)))return t;if(" "==t.charAt(0)){const n=this._getTouchingViewTextNode(e,!1);!(n&&this._nodeEndsWithSpace(n))&&n||(t=" "+t.substr(1))}if(" "==t.charAt(t.length-1)){const n=this._getTouchingViewTextNode(e,!0);" "!=t.charAt(t.length-2)&&n&&" "!=n.data.charAt(0)||(t=t.substr(0,t.length-1)+" ")}return t.replace(/ {2}/g,"  ")}_nodeEndsWithSpace(e){if(e.getAncestors().some(e=>this.preElements.includes(e.name)))return!1;const t=this._processDataFromViewText(e);return" "==t.charAt(t.length-1)}_processDataFromDomText(e){let t=e.data;if(ur(e,this.preElements))return Gi(e);t=t.replace(/[ \n\t\r]{1,}/g," ");const n=this._getTouchingInlineDomNode(e,!1),o=this._getTouchingInlineDomNode(e,!0),i=this._checkShouldLeftTrimDomText(e,n),r=this._checkShouldRightTrimDomText(e,o);return i&&(t=t.replace(/^ /,"")),r&&(t=t.replace(/ $/,"")),t=Gi(new Text(t)),t=t.replace(/ \u00A0/g,"  "),(/( |\u00A0)\u00A0$/.test(t)||!o||o.data&&" "==o.data.charAt(0))&&(t=t.replace(/\u00A0$/," ")),i&&(t=t.replace(/^\u00A0/," ")),t}_checkShouldLeftTrimDomText(e,t){return!t||(!!on(t)||!this._encounteredRawContentDomNodes.has(e.previousSibling)&&/[^\S\u00A0]/.test(t.data.charAt(t.data.length-1)))}_checkShouldRightTrimDomText(e,t){return!t&&!$i(e)}_getTouchingViewTextNode(e,t){const n=new ei({startPosition:t?ti._createAfter(e):ti._createBefore(e),direction:t?"forward":"backward"});for(const e of n){if(e.item.is("containerElement"))return null;if(e.item.is("element","br"))return null;if(e.item.is("$textProxy"))return e.item}return null}_getTouchingInlineDomNode(e,t){if(!e.parentNode)return null;const n=t?"nextNode":"previousNode",o=e.ownerDocument,i=lr(e)[0],r=o.createTreeWalker(i,NodeFilter.SHOW_TEXT|NodeFilter.SHOW_ELEMENT,{acceptNode:e=>qi(e)||"BR"==e.tagName?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_SKIP});r.currentNode=e;const s=r[n]();if(null!==s){const t=function(e,t){const n=lr(e),o=lr(t);let i=0;for(;n[i]==o[i]&&n[i];)i++;return 0===i?null:n[i-1]}(e,s);if(t&&!ur(e,this.blockElements,t)&&!ur(s,this.blockElements,t))return s}return null}}function ur(e,t,n){let o=lr(e);return n&&(o=o.slice(o.indexOf(n)+1)),o.some(e=>e.tagName&&t.includes(e.tagName.toLowerCase()))}function hr(e,t){for(;e&&e!=sr.document;)t(e),e=e.parentNode}function fr(e,t){const n=e.parentNode;return n&&n.tagName&&t.includes(n.tagName.toLowerCase())}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function pr(e){const t=Object.prototype.toString.apply(e);return"[object Window]"==t||"[object global]"==t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */var mr=Lo({},gn,{listenTo(e,...t){if(tr(e)||pr(e)){const n=this._getProxyEmitter(e)||new gr(e);n.attach(...t),e=n}gn.listenTo.call(this,e,...t)},stopListening(e,t,n){if(tr(e)||pr(e)){const t=this._getProxyEmitter(e);if(!t)return;e=t}gn.stopListening.call(this,e,t,n),e instanceof gr&&e.detach(t)},_getProxyEmitter(e){return t=this,n=br(e),t[pn]&&t[pn][n]?t[pn][n].emitter:null;var t,n}});class gr{constructor(e){bn(this,br(e)),this._domNode=e}}function br(e){return e["data-ck-expando"]||(e["data-ck-expando"]=un())}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */Lo(gr.prototype,gn,{attach(e,t,n={}){if(this._domListeners&&this._domListeners[e])return;const o={capture:!!n.useCapture,passive:!!n.usePassive},i=this._createDomListener(e,o);this._domNode.addEventListener(e,i,o),this._domListeners||(this._domListeners={}),this._domListeners[e]=i},detach(e){let t;!this._domListeners[e]||(t=this._events[e])&&t.callbacks.length||this._domListeners[e].removeListener()},_createDomListener(e,t){const n=t=>{this.fire(e,t)};return n.removeListener=()=>{this._domNode.removeEventListener(e,n,t),delete this._domListeners[e]},n}});class wr{constructor(e){this.view=e,this.document=e.document,this.isEnabled=!1}enable(){this.isEnabled=!0}disable(){this.isEnabled=!1}destroy(){this.disable(),this.stopListening()}checkShouldIgnoreEventFromTarget(e){return e&&3===e.nodeType&&(e=e.parentNode),!(!e||1!==e.nodeType)&&e.matches("[data-cke-ignore-events], [data-cke-ignore-events] *")}}Cn(wr,mr);var kr=function(e){return this.__data__.set(e,"__lodash_hash_undefined__"),this};var _r=function(e){return this.__data__.has(e)};function vr(e){var t=-1,n=null==e?0:e.length;for(this.__data__=new _e;++t<n;)this.add(e[t])}vr.prototype.add=vr.prototype.push=kr,vr.prototype.has=_r;var yr=vr;var xr=function(e,t){for(var n=-1,o=null==e?0:e.length;++n<o;)if(t(e[n],n,e))return!0;return!1};var Cr=function(e,t){return e.has(t)};var Ar=function(e,t,n,o,i,r){var s=1&n,a=e.length,l=t.length;if(a!=l&&!(s&&l>a))return!1;var c=r.get(e),d=r.get(t);if(c&&d)return c==t&&d==e;var u=-1,h=!0,f=2&n?new yr:void 0;for(r.set(e,t),r.set(t,e);++u<a;){var p=e[u],m=t[u];if(o)var g=s?o(m,p,u,t,e,r):o(p,m,u,e,t,r);if(void 0!==g){if(g)continue;h=!1;break}if(f){if(!xr(t,(function(e,t){if(!Cr(f,t)&&(p===e||i(p,e,n,o,r)))return f.push(t)}))){h=!1;break}}else if(p!==m&&!i(p,m,n,o,r)){h=!1;break}}return r.delete(e),r.delete(t),h};var Tr=function(e){var t=-1,n=Array(e.size);return e.forEach((function(e,o){n[++t]=[o,e]})),n};var Er=function(e){var t=-1,n=Array(e.size);return e.forEach((function(e){n[++t]=e})),n},Pr=i?i.prototype:void 0,Sr=Pr?Pr.valueOf:void 0;var Rr=function(e,t,n,o,i,r,s){switch(n){case"[object DataView]":if(e.byteLength!=t.byteLength||e.byteOffset!=t.byteOffset)return!1;e=e.buffer,t=t.buffer;case"[object ArrayBuffer]":return!(e.byteLength!=t.byteLength||!r(new Nt(e),new Nt(t)));case"[object Boolean]":case"[object Date]":case"[object Number]":return A(+e,+t);case"[object Error]":return e.name==t.name&&e.message==t.message;case"[object RegExp]":case"[object String]":return e==t+"";case"[object Map]":var a=Tr;case"[object Set]":var l=1&o;if(a||(a=Er),e.size!=t.size&&!l)return!1;var c=s.get(e);if(c)return c==t;o|=2,s.set(e,t);var d=Ar(a(e),a(t),o,i,r,s);return s.delete(e),d;case"[object Symbol]":if(Sr)return Sr.call(e)==Sr.call(t)}return!1},Ir=Object.prototype.hasOwnProperty;var Or=function(e,t,n,o,i,r){var s=1&n,a=_t(e),l=a.length;if(l!=_t(t).length&&!s)return!1;for(var c=l;c--;){var d=a[c];if(!(s?d in t:Ir.call(t,d)))return!1}var u=r.get(e),h=r.get(t);if(u&&h)return u==t&&h==e;var f=!0;r.set(e,t),r.set(t,e);for(var p=s;++c<l;){var m=e[d=a[c]],g=t[d];if(o)var b=s?o(g,m,d,t,e,r):o(m,g,d,e,t,r);if(!(void 0===b?m===g||i(m,g,n,o,r):b)){f=!1;break}p||(p="constructor"==d)}if(f&&!p){var w=e.constructor,k=t.constructor;w==k||!("constructor"in e)||!("constructor"in t)||"function"==typeof w&&w instanceof w&&"function"==typeof k&&k instanceof k||(f=!1)}return r.delete(e),r.delete(t),f},Mr=Object.prototype.hasOwnProperty;var Vr=function(e,t,n,o,i,r){var s=De(e),a=De(t),l=s?"[object Array]":Ot(e),c=a?"[object Array]":Ot(t),d="[object Object]"==(l="[object Arguments]"==l?"[object Object]":l),u="[object Object]"==(c="[object Arguments]"==c?"[object Object]":c),h=l==c;if(h&&Object(ze.a)(e)){if(!Object(ze.a)(t))return!1;s=!0,d=!1}if(h&&!d)return r||(r=new xe),s||Ue(e)?Ar(e,t,n,o,i,r):Rr(e,t,l,n,o,i,r);if(!(1&n)){var f=d&&Mr.call(e,"__wrapped__"),p=u&&Mr.call(t,"__wrapped__");if(f||p){var m=f?e.value():e,g=p?t.value():t;return r||(r=new xe),i(m,g,n,o,r)}}return!!h&&(r||(r=new xe),Or(e,t,n,o,i,r))};var Nr=function e(t,n,o,i,r){return t===n||(null==t||null==n||!g(t)&&!g(n)?t!=t&&n!=n:Vr(t,n,o,i,e,r))};var Dr=function(e,t,n){var o=(n="function"==typeof n?n:void 0)?n(e,t):void 0;return void 0===o?Nr(e,t,void 0,n):!!o};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class zr extends wr{constructor(e){super(e),this._config={childList:!0,characterData:!0,characterDataOldValue:!0,subtree:!0},this.domConverter=e.domConverter,this.renderer=e._renderer,this._domElements=[],this._mutationObserver=new window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(e){this._domElements.push(e),this.isEnabled&&this._mutationObserver.observe(e,this._config)}enable(){super.enable();for(const e of this._domElements)this._mutationObserver.observe(e,this._config)}disable(){super.disable(),this._mutationObserver.disconnect()}destroy(){super.destroy(),this._mutationObserver.disconnect()}_onMutations(e){if(0===e.length)return;const t=this.domConverter,n=new Map,o=new Set;for(const n of e)if("childList"===n.type){const e=t.mapDomToView(n.target);if(e&&(e.is("uiElement")||e.is("rawElement")))continue;e&&!this._isBogusBrMutation(n)&&o.add(e)}for(const i of e){const e=t.mapDomToView(i.target);if((!e||!e.is("uiElement")&&!e.is("rawElement"))&&"characterData"===i.type){const e=t.findCorrespondingViewText(i.target);e&&!o.has(e.parent)?n.set(e,{type:"text",oldText:e.data,newText:Gi(i.target),node:e}):!e&&$i(i.target)&&o.add(t.mapDomToView(i.target.parentNode))}}const i=[];for(const e of n.values())this.renderer.markToSync("text",e.node),i.push(e);for(const e of o){const n=t.mapViewToDom(e),o=Array.from(e.getChildren()),r=Array.from(t.domChildrenToView(n,{withChildren:!1}));Dr(o,r,a)||(this.renderer.markToSync("children",e),i.push({type:"children",oldChildren:o,newChildren:r,node:e}))}const r=e[0].target.ownerDocument.getSelection();let s=null;if(r&&r.anchorNode){const e=t.domPositionToView(r.anchorNode,r.anchorOffset),n=t.domPositionToView(r.focusNode,r.focusOffset);e&&n&&(s=new ri(e),s.setFocus(n))}function a(e,t){if(!Array.isArray(e))return e===t||!(!e.is("$text")||!t.is("$text"))&&e.data===t.data}i.length&&(this.document.fire("mutations",i,s),this.view.forceRender())}_isBogusBrMutation(e){let t=null;return null===e.nextSibling&&0===e.removedNodes.length&&1==e.addedNodes.length&&(t=this.domConverter.domToView(e.addedNodes[0],{withChildren:!1})),t&&t.is("element","br")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Fr{constructor(e,t,n){this.view=e,this.document=e.document,this.domEvent=t,this.domTarget=t.target,Lo(this,n)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Br extends wr{constructor(e){super(e),this.useCapture=!1}observe(e){("string"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach(t=>{this.listenTo(e,t,(e,t)=>{this.isEnabled&&!this.checkShouldIgnoreEventFromTarget(t.target)&&this.onDomEvent(t)},{useCapture:this.useCapture})})}fire(e,t,n){this.isEnabled&&this.document.fire(e,new Fr(this.view,t,n))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Lr extends Br{constructor(e){super(e),this.domEventType=["keydown","keyup"]}onDomEvent(e){this.fire(e.type,e,{keyCode:e.keyCode,altKey:e.altKey,ctrlKey:e.ctrlKey||e.metaKey,shiftKey:e.shiftKey,get keystroke(){return wi(this)}})}}var qr=function(){return o.a.Date.now()},jr=/^\s+|\s+$/g,Hr=/^[-+]0x[0-9a-f]+$/i,Wr=/^0b[01]+$/i,$r=/^0o[0-7]+$/i,Ur=parseInt;var Gr=function(e){if("number"==typeof e)return e;if(qn(e))return NaN;if(F(e)){var t="function"==typeof e.valueOf?e.valueOf():e;e=F(t)?t+"":t}if("string"!=typeof e)return 0===e?e:+e;e=e.replace(jr,"");var n=Wr.test(e);return n||$r.test(e)?Ur(e.slice(2),n?2:8):Hr.test(e)?NaN:+e},Kr=Math.max,Jr=Math.min;var Zr=function(e,t,n){var o,i,r,s,a,l,c=0,d=!1,u=!1,h=!0;if("function"!=typeof e)throw new TypeError("Expected a function");function f(t){var n=o,r=i;return o=i=void 0,c=t,s=e.apply(r,n)}function p(e){return c=e,a=setTimeout(g,t),d?f(e):s}function m(e){var n=e-l;return void 0===l||n>=t||n<0||u&&e-c>=r}function g(){var e=qr();if(m(e))return b(e);a=setTimeout(g,function(e){var n=t-(e-l);return u?Jr(n,r-(e-c)):n}(e))}function b(e){return a=void 0,h&&o?f(e):(o=i=void 0,s)}function w(){var e=qr(),n=m(e);if(o=arguments,i=this,l=e,n){if(void 0===a)return p(l);if(u)return clearTimeout(a),a=setTimeout(g,t),f(l)}return void 0===a&&(a=setTimeout(g,t)),s}return t=Gr(t)||0,F(n)&&(d=!!n.leading,r=(u="maxWait"in n)?Kr(Gr(n.maxWait)||0,t):r,h="trailing"in n?!!n.trailing:h),w.cancel=function(){void 0!==a&&clearTimeout(a),c=0,o=l=i=a=void 0},w.flush=function(){return void 0===a?s:b(qr())},w};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Qr extends wr{constructor(e){super(e),this._fireSelectionChangeDoneDebounced=Zr(e=>this.document.fire("selectionChangeDone",e),200)}observe(){const e=this.document;e.on("keydown",(t,n)=>{e.selection.isFake&&vi(n.keyCode)&&this.isEnabled&&(n.preventDefault(),this._handleSelectionMove(n.keyCode))},{priority:"lowest"})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(e){const t=this.document.selection,n=new ri(t.getRanges(),{backward:t.isBackward,fake:!1});e!=bi.arrowleft&&e!=bi.arrowup||n.setTo(n.getFirstPosition()),e!=bi.arrowright&&e!=bi.arrowdown||n.setTo(n.getLastPosition());const o={oldSelection:t,newSelection:n,domSelection:null};this.document.fire("selectionChange",o),this._fireSelectionChangeDoneDebounced(o)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Yr extends wr{constructor(e){super(e),this.mutationObserver=e.getObserver(zr),this.selection=this.document.selection,this.domConverter=e.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=Zr(e=>this.document.fire("selectionChangeDone",e),200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._loopbackCounter=0}observe(e){const t=e.ownerDocument;this._documents.has(t)||(this.listenTo(t,"selectionchange",(e,n)=>{this._handleSelectionChange(n,t)}),this._documents.add(t))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(e,t){if(!this.isEnabled)return;const n=t.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(n.anchorNode))return;this.mutationObserver.flush();const o=this.domConverter.domSelectionToView(n);if(0!=o.rangeCount){if(this.view.hasDomSelection=!0,!(this.selection.isEqual(o)&&this.domConverter.isDomSelectionCorrect(n)||++this._loopbackCounter>60))if(this.selection.isSimilar(o))this.view.forceRender();else{const e={oldSelection:this.selection,newSelection:o,domSelection:n};this.document.fire("selectionChange",e),this._fireSelectionChangeDoneDebounced(e)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Xr extends Br{constructor(e){super(e),this.domEventType=["focus","blur"],this.useCapture=!0;const t=this.document;t.on("focus",()=>{t.isFocused=!0,this._renderTimeoutId=setTimeout(()=>e.forceRender(),50)}),t.on("blur",(n,o)=>{const i=t.selection.editableElement;null!==i&&i!==o.target||(t.isFocused=!1,e.forceRender())})}onDomEvent(e){this.fire(e.type,e)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class es extends Br{constructor(e){super(e),this.domEventType=["compositionstart","compositionupdate","compositionend"];const t=this.document;t.on("compositionstart",()=>{t.isComposing=!0}),t.on("compositionend",()=>{t.isComposing=!1})}onDomEvent(e){this.fire(e.type,e)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */class ts extends Br{constructor(e){super(e),this.domEventType=["beforeinput"]}onDomEvent(e){this.fire(e.type,e)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function ns(e){return"[object Range]"==Object.prototype.toString.apply(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function os(e){const t=e.ownerDocument.defaultView.getComputedStyle(e);return{top:parseInt(t.borderTopWidth,10),right:parseInt(t.borderRightWidth,10),bottom:parseInt(t.borderBottomWidth,10),left:parseInt(t.borderLeftWidth,10)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const is=["top","right","bottom","left","width","height"];class rs{constructor(e){const t=ns(e);if(Object.defineProperty(this,"_source",{value:e._source||e,writable:!0,enumerable:!1}),on(e)||t)if(t){const t=rs.getDomRangeRects(e);ss(this,rs.getBoundingRect(t))}else ss(this,e.getBoundingClientRect());else if(pr(e)){const{innerWidth:t,innerHeight:n}=e;ss(this,{top:0,right:t,bottom:n,left:0,width:t,height:n})}else ss(this,e)}clone(){return new rs(this)}moveTo(e,t){return this.top=t,this.right=e+this.width,this.bottom=t+this.height,this.left=e,this}moveBy(e,t){return this.top+=t,this.right+=e,this.left+=e,this.bottom+=t,this}getIntersection(e){const t={top:Math.max(this.top,e.top),right:Math.min(this.right,e.right),bottom:Math.min(this.bottom,e.bottom),left:Math.max(this.left,e.left)};return t.width=t.right-t.left,t.height=t.bottom-t.top,t.width<0||t.height<0?null:new rs(t)}getIntersectionArea(e){const t=this.getIntersection(e);return t?t.getArea():0}getArea(){return this.width*this.height}getVisible(){const e=this._source;let t=this.clone();if(!as(e)){let n=e.parentNode||e.commonAncestorContainer;for(;n&&!as(n);){const e=new rs(n),o=t.getIntersection(e);if(!o)return null;o.getArea()<t.getArea()&&(t=o),n=n.parentNode}}return t}isEqual(e){for(const t of is)if(this[t]!==e[t])return!1;return!0}contains(e){const t=this.getIntersection(e);return!(!t||!t.isEqual(e))}excludeScrollbarsAndBorders(){const e=this._source;let t,n,o;if(pr(e))t=e.innerWidth-e.document.documentElement.clientWidth,n=e.innerHeight-e.document.documentElement.clientHeight,o=e.getComputedStyle(e.document.documentElement).direction;else{const i=os(this._source);t=e.offsetWidth-e.clientWidth-i.left-i.right,n=e.offsetHeight-e.clientHeight-i.top-i.bottom,o=e.ownerDocument.defaultView.getComputedStyle(e).direction,this.left+=i.left,this.top+=i.top,this.right-=i.right,this.bottom-=i.bottom,this.width=this.right-this.left,this.height=this.bottom-this.top}return this.width-=t,"ltr"===o?this.right-=t:this.left+=t,this.height-=n,this.bottom-=n,this}static getDomRangeRects(e){const t=[],n=Array.from(e.getClientRects());if(n.length)for(const e of n)t.push(new rs(e));else{let n=e.startContainer;qi(n)&&(n=n.parentNode);const o=new rs(n.getBoundingClientRect());o.right=o.left,o.width=0,t.push(o)}return t}static getBoundingRect(e){const t={left:Number.POSITIVE_INFINITY,top:Number.POSITIVE_INFINITY,right:Number.NEGATIVE_INFINITY,bottom:Number.NEGATIVE_INFINITY};let n=0;for(const o of e)n++,t.left=Math.min(t.left,o.left),t.top=Math.min(t.top,o.top),t.right=Math.max(t.right,o.right),t.bottom=Math.max(t.bottom,o.bottom);return 0==n?null:(t.width=t.right-t.left,t.height=t.bottom-t.top,new rs(t))}}function ss(e,t){for(const n of is)e[n]=t[n]}function as(e){return!!on(e)&&e===e.ownerDocument.body}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function ls({target:e,viewportOffset:t=0}){const n=ms(e);let o=n,i=null;for(;o;){let r;r=gs(o==n?e:i),ds(r,()=>bs(e,o));const s=bs(e,o);if(cs(o,s,t),o.parent!=o){if(i=o.frameElement,o=o.parent,!i)return}else o=null}}function cs(e,t,n){const o=t.clone().moveBy(0,n),i=t.clone().moveBy(0,-n),r=new rs(e).excludeScrollbarsAndBorders();if(![i,o].every(e=>r.contains(e))){let{scrollX:s,scrollY:a}=e;hs(i,r)?a-=r.top-t.top+n:us(o,r)&&(a+=t.bottom-r.bottom+n),fs(t,r)?s-=r.left-t.left+n:ps(t,r)&&(s+=t.right-r.right+n),e.scrollTo(s,a)}}function ds(e,t){const n=ms(e);let o,i;for(;e!=n.document.body;)i=t(),o=new rs(e).excludeScrollbarsAndBorders(),o.contains(i)||(hs(i,o)?e.scrollTop-=o.top-i.top:us(i,o)&&(e.scrollTop+=i.bottom-o.bottom),fs(i,o)?e.scrollLeft-=o.left-i.left:ps(i,o)&&(e.scrollLeft+=i.right-o.right)),e=e.parentNode}function us(e,t){return e.bottom>t.bottom}function hs(e,t){return e.top<t.top}function fs(e,t){return e.left<t.left}function ps(e,t){return e.right>t.right}function ms(e){return ns(e)?e.startContainer.ownerDocument.defaultView:e.ownerDocument.defaultView}function gs(e){if(ns(e)){let t=e.commonAncestorContainer;return qi(t)&&(t=t.parentNode),t}return e.parentNode}function bs(e,t){const n=ms(e),o=new rs(e);if(n===t)return o;{let e=n;for(;e!=t;){const t=e.frameElement,n=new rs(t).excludeScrollbarsAndBorders();o.moveBy(n.left,n.top),e=e.parent}}return o}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */Object.assign({},{scrollViewportToShowTarget:ls,scrollAncestorsToShowTarget:function(e){ds(gs(e),()=>new rs(e))}});class ws{constructor(e){this.document=new ai(e),this.domConverter=new dr(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new nr(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new Ii(this.document),this.addObserver(zr),this.addObserver(Yr),this.addObserver(Xr),this.addObserver(Lr),this.addObserver(Qr),this.addObserver(es),pi.isAndroid&&this.addObserver(ts),this.document.on("keydown",Ki),Ti(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(e,t="main"){const n=this.document.getRoot(t);n._name=e.tagName.toLowerCase();const o={};for(const{name:t,value:i}of Array.from(e.attributes))o[t]=i,"class"===t?this._writer.addClass(i.split(" "),n):this._writer.setAttribute(t,i,n);this._initialDomRootAttributes.set(e,o);const i=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};i(),this.domRoots.set(t,e),this.domConverter.bindElements(e,n),this._renderer.markToSync("children",n),this._renderer.markToSync("attributes",n),this._renderer.domDocuments.add(e.ownerDocument),n.on("change:children",(e,t)=>this._renderer.markToSync("children",t)),n.on("change:attributes",(e,t)=>this._renderer.markToSync("attributes",t)),n.on("change:text",(e,t)=>this._renderer.markToSync("text",t)),n.on("change:isReadOnly",()=>this.change(i)),n.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const n of this._observers.values())n.observe(e,t)}detachDomRoot(e){const t=this.domRoots.get(e);Array.from(t.attributes).forEach(({name:e})=>t.removeAttribute(e));const n=this._initialDomRootAttributes.get(t);for(const e in n)t.setAttribute(e,n[e]);this.domRoots.delete(e),this.domConverter.unbindDomElement(t)}getDomRoot(e="main"){return this.domRoots.get(e)}addObserver(e){let t=this._observers.get(e);if(t)return t;t=new e(this),this._observers.set(e,t);for(const[e,n]of this.domRoots)t.observe(n,e);return t.enable(),t}getObserver(e){return this._observers.get(e)}disableObservers(){for(const e of this._observers.values())e.disable()}enableObservers(){for(const e of this._observers.values())e.enable()}scrollToTheSelection(){const e=this.document.selection.getFirstRange();e&&ls({target:this.domConverter.viewRangeToDom(e),viewportOffset:20})}focus(){if(!this.document.isFocused){const e=this.document.selection.editableElement;e&&(this.domConverter.focus(e),this.forceRender())}}change(e){if(this.isRenderingInProgress||this._postFixersInProgress)throw new fn.a("cannot-change-view-tree",this);try{if(this._ongoingChange)return e(this._writer);this._ongoingChange=!0;const t=e(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),t}catch(e){fn.a.rethrowUnexpectedError(e,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const e of this._observers.values())e.destroy();this.document.destroy(),this.stopListening()}createPositionAt(e,t){return ti._createAt(e,t)}createPositionAfter(e){return ti._createAfter(e)}createPositionBefore(e){return ti._createBefore(e)}createRange(e,t){return new ni(e,t)}createRangeOn(e){return ni._createOn(e)}createRangeIn(e){return ni._createIn(e)}createSelection(e,t,n){return new ri(e,t,n)}_disableRendering(e){this._renderingDisabled=e,0==e&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}Cn(ws,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class ks{constructor(e){this.parent=null,this._attrs=Fn(e)}get index(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildIndex(this)))throw new fn.a("model-node-not-found-in-parent",this);return e}get startOffset(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildStartOffset(this)))throw new fn.a("model-node-not-found-in-parent",this);return e}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const e=this.index;return null!==e&&this.parent.getChild(e+1)||null}get previousSibling(){const e=this.index;return null!==e&&this.parent.getChild(e-1)||null}get root(){let e=this;for(;e.parent;)e=e.parent;return e}isAttached(){return this.root.is("rootElement")}getPath(){const e=[];let t=this;for(;t.parent;)e.unshift(t.startOffset),t=t.parent;return e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];let n=e.includeSelf?this:this.parent;for(;n;)t[e.parentFirst?"push":"unshift"](n),n=n.parent;return t}getCommonAncestor(e,t={}){const n=this.getAncestors(t),o=e.getAncestors(t);let i=0;for(;n[i]==o[i]&&n[i];)i++;return 0===i?null:n[i-1]}isBefore(e){if(this==e)return!1;if(this.root!==e.root)return!1;const t=this.getPath(),n=e.getPath(),o=Mn(t,n);switch(o){case"prefix":return!0;case"extension":return!1;default:return t[o]<n[o]}}isAfter(e){return this!=e&&(this.root===e.root&&!this.isBefore(e))}hasAttribute(e){return this._attrs.has(e)}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const e={};return this._attrs.size&&(e.attributes=Array.from(this._attrs).reduce((e,t)=>(e[t[0]]=t[1],e),{})),e}is(e){return"node"===e||"model:node"===e}_clone(){return new ks(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(e,t){this._attrs.set(e,t)}_setAttributesTo(e){this._attrs=Fn(e)}_removeAttribute(e){return this._attrs.delete(e)}_clearAttributes(){this._attrs.clear()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class _s extends ks{constructor(e,t){super(t),this._data=e||""}get offsetSize(){return this.data.length}get data(){return this._data}is(e){return"$text"===e||"model:$text"===e||"text"===e||"model:text"===e||"node"===e||"model:node"===e}toJSON(){const e=super.toJSON();return e.data=this.data,e}_clone(){return new _s(this.data,this.getAttributes())}static fromJSON(e){return new _s(e.data,e.attributes)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class vs{constructor(e,t,n){if(this.textNode=e,t<0||t>e.offsetSize)throw new fn.a("model-textproxy-wrong-offsetintext",this);if(n<0||t+n>e.offsetSize)throw new fn.a("model-textproxy-wrong-length",this);this.data=e.data.substring(t,t+n),this.offsetInText=t}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}is(e){return"$textProxy"===e||"model:$textProxy"===e||"textProxy"===e||"model:textProxy"===e}getPath(){const e=this.textNode.getPath();return e.length>0&&(e[e.length-1]+=this.offsetInText),e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];let n=e.includeSelf?this:this.parent;for(;n;)t[e.parentFirst?"push":"unshift"](n),n=n.parent;return t}hasAttribute(e){return this.textNode.hasAttribute(e)}getAttribute(e){return this.textNode.getAttribute(e)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ys{constructor(e){this._nodes=[],e&&this._insertNodes(0,e)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((e,t)=>e+t.offsetSize,0)}getNode(e){return this._nodes[e]||null}getNodeIndex(e){const t=this._nodes.indexOf(e);return-1==t?null:t}getNodeStartOffset(e){const t=this.getNodeIndex(e);return null===t?null:this._nodes.slice(0,t).reduce((e,t)=>e+t.offsetSize,0)}indexToOffset(e){if(e==this._nodes.length)return this.maxOffset;const t=this._nodes[e];if(!t)throw new fn.a("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(t)}offsetToIndex(e){let t=0;for(const n of this._nodes){if(e>=t&&e<t+n.offsetSize)return this.getNodeIndex(n);t+=n.offsetSize}if(t!=e)throw new fn.a("model-nodelist-offset-out-of-bounds",this,{offset:e,nodeList:this});return this.length}_insertNodes(e,t){for(const e of t)if(!(e instanceof ks))throw new fn.a("model-nodelist-insertnodes-not-node",this);this._nodes.splice(e,0,...t)}_removeNodes(e,t=1){return this._nodes.splice(e,t)}toJSON(){return this._nodes.map(e=>e.toJSON())}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class xs extends ks{constructor(e,t,n){super(t),this.name=e,this._children=new ys,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(e,t=null){return t?t===this.name&&("element"===e||"model:element"===e):"element"===e||"model:element"===e||"node"===e||"model:node"===e}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}offsetToIndex(e){return this._children.offsetToIndex(e)}getNodeByPath(e){let t=this;for(const n of e)t=t.getChild(t.offsetToIndex(n));return t}findAncestor(e,t={includeSelf:!1}){let n=t.includeSelf?this:this.parent;for(;n;){if(n.name===e)return n;n=n.parent}return null}toJSON(){const e=super.toJSON();if(e.name=this.name,this._children.length>0){e.children=[];for(const t of this._children)e.children.push(t.toJSON())}return e}_clone(e=!1){const t=e?Array.from(this._children).map(e=>e._clone(!0)):null;return new xs(this.name,this.getAttributes(),t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const n=function(e){if("string"==typeof e)return[new _s(e)];xn(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new _s(e):e instanceof vs?new _s(e.data,e.getAttributes()):e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(t);for(const e of n)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,n)}_removeChildren(e,t=1){const n=this._children._removeNodes(e,t);for(const e of n)e.parent=null;return n}static fromJSON(e){let t=null;if(e.children){t=[];for(const n of e.children)n.name?t.push(xs.fromJSON(n)):t.push(_s.fromJSON(n))}return new xs(e.name,e.attributes,t)}}class Cs{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new fn.a("model-tree-walker-no-start-position",null);const t=e.direction||"forward";if("forward"!=t&&"backward"!=t)throw new fn.a("model-tree-walker-unknown-direction",e,{direction:t});this.direction=t,this.boundaries=e.boundaries||null,e.startPosition?this.position=e.startPosition.clone():this.position=Ts._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(e){let t,n,o,i;do{o=this.position,i=this._visitedParent,({done:t,value:n}=this.next())}while(!t&&e(n));t||(this.position=o,this._visitedParent=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const e=this.position,t=this.position.clone(),n=this._visitedParent;if(null===n.parent&&t.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};const o=t.parent,i=Es(t,o),r=i||Ps(t,o,i);if(r instanceof xs)return this.shallow?t.offset++:(t.path.push(0),this._visitedParent=r),this.position=t,As("elementStart",r,e,t,1);if(r instanceof _s){let o;if(this.singleCharacters)o=1;else{let e=r.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<e&&(e=this.boundaries.end.offset),o=e-t.offset}const i=t.offset-r.startOffset,s=new vs(r,i,o);return t.offset+=o,this.position=t,As("text",s,e,t,o)}return t.path.pop(),t.offset++,this.position=t,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():As("elementEnd",n,e,t)}_previous(){const e=this.position,t=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};const o=t.parent,i=Es(t,o),r=i||Ss(t,o,i);if(r instanceof xs)return t.offset--,this.shallow?(this.position=t,As("elementStart",r,e,t,1)):(t.path.push(r.maxOffset),this.position=t,this._visitedParent=r,this.ignoreElementEnd?this._previous():As("elementEnd",r,e,t));if(r instanceof _s){let o;if(this.singleCharacters)o=1;else{let e=r.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>e&&(e=this.boundaries.start.offset),o=t.offset-e}const i=t.offset-r.startOffset,s=new vs(r,i-o,o);return t.offset-=o,this.position=t,As("text",s,e,t,o)}return t.path.pop(),this.position=t,this._visitedParent=n.parent,As("elementStart",n,e,t,1)}}function As(e,t,n,o,i){return{done:!1,value:{type:e,item:t,previousPosition:n,nextPosition:o,length:i}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ts{constructor(e,t,n="toNone"){if(!e.is("element")&&!e.is("documentFragment"))throw new fn.a("model-position-root-invalid",e);if(!(t instanceof Array)||0===t.length)throw new fn.a("model-position-path-incorrect-format",e,{path:t});e.is("rootElement")?t=t.slice():(t=[...e.getPath(),...t],e=e.root),this.root=e,this.path=t,this.stickiness=n}get offset(){return this.path[this.path.length-1]}set offset(e){this.path[this.path.length-1]=e}get parent(){let e=this.root;for(let t=0;t<this.path.length-1;t++)if(e=e.getChild(e.offsetToIndex(this.path[t])),!e)throw new fn.a("model-position-path-incorrect",this,{position:this});if(e.is("$text"))throw new fn.a("model-position-path-incorrect",this,{position:this});return e}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return Es(this,this.parent)}get nodeAfter(){const e=this.parent;return Ps(this,e,Es(this,e))}get nodeBefore(){const e=this.parent;return Ss(this,e,Es(this,e))}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(e){if(this.root!=e.root)return"different";const t=Mn(this.path,e.path);switch(t){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[t]<e.path[t]?"before":"after"}}getLastMatchingPosition(e,t={}){t.startPosition=this;const n=new Cs(t);return n.skip(e),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const e=this.parent;return e.is("documentFragment")?[e]:e.getAncestors({includeSelf:!0})}findAncestor(e){const t=this.parent;return t.is("element")?t.findAncestor(e,{includeSelf:!0}):null}getCommonPath(e){if(this.root!=e.root)return[];const t=Mn(this.path,e.path),n="string"==typeof t?Math.min(this.path.length,e.path.length):t;return this.path.slice(0,n)}getCommonAncestor(e){const t=this.getAncestors(),n=e.getAncestors();let o=0;for(;t[o]==n[o]&&t[o];)o++;return 0===o?null:t[o-1]}getShiftedBy(e){const t=this.clone(),n=t.offset+e;return t.offset=n<0?0:n,t}isAfter(e){return"after"==this.compareWith(e)}isBefore(e){return"before"==this.compareWith(e)}isEqual(e){return"same"==this.compareWith(e)}isTouching(e){let t=null,n=null;switch(this.compareWith(e)){case"same":return!0;case"before":t=Ts._createAt(this),n=Ts._createAt(e);break;case"after":t=Ts._createAt(e),n=Ts._createAt(this);break;default:return!1}let o=t.parent;for(;t.path.length+n.path.length;){if(t.isEqual(n))return!0;if(t.path.length>n.path.length){if(t.offset!==o.maxOffset)return!1;t.path=t.path.slice(0,-1),o=o.parent,t.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}is(e){return"position"===e||"model:position"===e}hasSameParentAs(e){if(this.root!==e.root)return!1;return"same"==Mn(this.getParentPath(),e.getParentPath())}getTransformedByOperation(e){let t;switch(e.type){case"insert":t=this._getTransformedByInsertOperation(e);break;case"move":case"remove":case"reinsert":t=this._getTransformedByMoveOperation(e);break;case"split":t=this._getTransformedBySplitOperation(e);break;case"merge":t=this._getTransformedByMergeOperation(e);break;default:t=Ts._createAt(this)}return t}_getTransformedByInsertOperation(e){return this._getTransformedByInsertion(e.position,e.howMany)}_getTransformedByMoveOperation(e){return this._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany)}_getTransformedBySplitOperation(e){const t=e.movedRange;return t.containsPosition(this)||t.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(e.splitPosition,e.moveTargetPosition):e.graveyardPosition?this._getTransformedByMove(e.graveyardPosition,e.insertionPosition,1):this._getTransformedByInsertion(e.insertionPosition,1)}_getTransformedByMergeOperation(e){const t=e.movedRange;let n;return t.containsPosition(this)||t.start.isEqual(this)?(n=this._getCombined(e.sourcePosition,e.targetPosition),e.sourcePosition.isBefore(e.targetPosition)&&(n=n._getTransformedByDeletion(e.deletionPosition,1))):n=this.isEqual(e.deletionPosition)?Ts._createAt(e.deletionPosition):this._getTransformedByMove(e.deletionPosition,e.graveyardPosition,1),n}_getTransformedByDeletion(e,t){const n=Ts._createAt(this);if(this.root!=e.root)return n;if("same"==Mn(e.getParentPath(),this.getParentPath())){if(e.offset<this.offset){if(e.offset+t>this.offset)return null;n.offset-=t}}else if("prefix"==Mn(e.getParentPath(),this.getParentPath())){const o=e.path.length-1;if(e.offset<=this.path[o]){if(e.offset+t>this.path[o])return null;n.path[o]-=t}}return n}_getTransformedByInsertion(e,t){const n=Ts._createAt(this);if(this.root!=e.root)return n;if("same"==Mn(e.getParentPath(),this.getParentPath()))(e.offset<this.offset||e.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=t);else if("prefix"==Mn(e.getParentPath(),this.getParentPath())){const o=e.path.length-1;e.offset<=this.path[o]&&(n.path[o]+=t)}return n}_getTransformedByMove(e,t,n){if(t=t._getTransformedByDeletion(e,n),e.isEqual(t))return Ts._createAt(this);const o=this._getTransformedByDeletion(e,n);return null===o||e.isEqual(this)&&"toNext"==this.stickiness||e.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(e,t):o._getTransformedByInsertion(t,n)}_getCombined(e,t){const n=e.path.length-1,o=Ts._createAt(t);return o.stickiness=this.stickiness,o.offset=o.offset+this.path[n]-e.offset,o.path=[...o.path,...this.path.slice(n+1)],o}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(e,t,n="toNone"){if(e instanceof Ts)return new Ts(e.root,e.path,e.stickiness);{const o=e;if("end"==t)t=o.maxOffset;else{if("before"==t)return this._createBefore(o,n);if("after"==t)return this._createAfter(o,n);if(0!==t&&!t)throw new fn.a("model-createpositionat-offset-required",[this,e])}if(!o.is("element")&&!o.is("documentFragment"))throw new fn.a("model-position-parent-incorrect",[this,e]);const i=o.getPath();return i.push(t),new this(o.root,i,n)}}static _createAfter(e,t){if(!e.parent)throw new fn.a("model-position-after-root",[this,e],{root:e});return this._createAt(e.parent,e.endOffset,t)}static _createBefore(e,t){if(!e.parent)throw new fn.a("model-position-before-root",e,{root:e});return this._createAt(e.parent,e.startOffset,t)}static fromJSON(e,t){if("$graveyard"===e.root){const n=new Ts(t.graveyard,e.path);return n.stickiness=e.stickiness,n}if(!t.getRoot(e.root))throw new fn.a("model-position-fromjson-no-root",t,{rootName:e.root});return new Ts(t.getRoot(e.root),e.path,e.stickiness)}}function Es(e,t){const n=t.getChild(t.offsetToIndex(e.offset));return n&&n.is("$text")&&n.startOffset<e.offset?n:null}function Ps(e,t,n){return null!==n?null:t.getChild(t.offsetToIndex(e.offset))}function Ss(e,t,n){return null!==n?null:t.getChild(t.offsetToIndex(e.offset)-1)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Rs{constructor(e,t=null){this.start=Ts._createAt(e),this.end=t?Ts._createAt(t):Ts._createAt(e),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new Cs({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==Mn(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(e){return e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const n=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),o=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return n&&o}containsItem(e){const t=Ts._createBefore(e);return this.containsPosition(t)||this.start.isEqual(t)}is(e){return"range"===e||"model:range"===e}isEqual(e){return this.start.isEqual(e.start)&&this.end.isEqual(e.end)}isIntersecting(e){return this.start.isBefore(e.end)&&this.end.isAfter(e.start)}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new Rs(this.start,e.start)),this.containsPosition(e.end)&&t.push(new Rs(e.end,this.end))):t.push(new Rs(this.start,this.end)),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,n=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(n=e.end),new Rs(t,n)}return null}getJoined(e,t=!1){let n=this.isIntersecting(e);if(n||(n=this.start.isBefore(e.start)?t?this.end.isTouching(e.start):this.end.isEqual(e.start):t?e.end.isTouching(this.start):e.end.isEqual(this.start)),!n)return null;let o=this.start,i=this.end;return e.start.isBefore(o)&&(o=e.start),e.end.isAfter(i)&&(i=e.end),new Rs(o,i)}getMinimalFlatRanges(){const e=[],t=this.start.getCommonPath(this.end).length,n=Ts._createAt(this.start);let o=n.parent;for(;n.path.length>t+1;){const t=o.maxOffset-n.offset;0!==t&&e.push(new Rs(n,n.getShiftedBy(t))),n.path=n.path.slice(0,-1),n.offset++,o=o.parent}for(;n.path.length<=this.end.path.length;){const t=this.end.path[n.path.length-1],o=t-n.offset;0!==o&&e.push(new Rs(n,n.getShiftedBy(o))),n.offset=t,n.path.push(0)}return e}getWalker(e={}){return e.boundaries=this,new Cs(e)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new Cs(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new Cs(e);yield t.position;for(const e of t)yield e.nextPosition}getTransformedByOperation(e){switch(e.type){case"insert":return this._getTransformedByInsertOperation(e);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(e);case"split":return[this._getTransformedBySplitOperation(e)];case"merge":return[this._getTransformedByMergeOperation(e)]}return[new Rs(this.start,this.end)]}getTransformedByOperations(e){const t=[new Rs(this.start,this.end)];for(const n of e)for(let e=0;e<t.length;e++){const o=t[e].getTransformedByOperation(n);t.splice(e,1,...o),e+=o.length-1}for(let e=0;e<t.length;e++){const n=t[e];for(let o=e+1;o<t.length;o++){const e=t[o];(n.containsRange(e)||e.containsRange(n)||n.isEqual(e))&&t.splice(o,1)}}return t}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const e=this.start.nodeAfter,t=this.end.nodeBefore;return e&&e.is("element")&&e===t?e:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(e,t=!1){return this._getTransformedByInsertion(e.position,e.howMany,t)}_getTransformedByMoveOperation(e,t=!1){const n=e.sourcePosition,o=e.howMany,i=e.targetPosition;return this._getTransformedByMove(n,i,o,t)}_getTransformedBySplitOperation(e){const t=this.start._getTransformedBySplitOperation(e);let n=this.end._getTransformedBySplitOperation(e);return this.end.isEqual(e.insertionPosition)&&(n=this.end.getShiftedBy(1)),t.root!=n.root&&(n=this.end.getShiftedBy(-1)),new Rs(t,n)}_getTransformedByMergeOperation(e){if(this.start.isEqual(e.targetPosition)&&this.end.isEqual(e.deletionPosition))return new Rs(this.start);let t=this.start._getTransformedByMergeOperation(e),n=this.end._getTransformedByMergeOperation(e);return t.root!=n.root&&(n=this.end.getShiftedBy(-1)),t.isAfter(n)?(e.sourcePosition.isBefore(e.targetPosition)?(t=Ts._createAt(n),t.offset=0):(e.deletionPosition.isEqual(t)||(n=e.deletionPosition),t=e.targetPosition),new Rs(t,n)):new Rs(t,n)}_getTransformedByInsertion(e,t,n=!1){if(n&&this.containsPosition(e))return[new Rs(this.start,e),new Rs(e.getShiftedBy(t),this.end._getTransformedByInsertion(e,t))];{const n=new Rs(this.start,this.end);return n.start=n.start._getTransformedByInsertion(e,t),n.end=n.end._getTransformedByInsertion(e,t),[n]}}_getTransformedByMove(e,t,n,o=!1){if(this.isCollapsed){const o=this.start._getTransformedByMove(e,t,n);return[new Rs(o)]}const i=Rs._createFromPositionAndShift(e,n),r=t._getTransformedByDeletion(e,n);if(this.containsPosition(t)&&!o&&(i.containsPosition(this.start)||i.containsPosition(this.end))){const o=this.start._getTransformedByMove(e,t,n),i=this.end._getTransformedByMove(e,t,n);return[new Rs(o,i)]}let s;const a=this.getDifference(i);let l=null;const c=this.getIntersection(i);if(1==a.length?l=new Rs(a[0].start._getTransformedByDeletion(e,n),a[0].end._getTransformedByDeletion(e,n)):2==a.length&&(l=new Rs(this.start,this.end._getTransformedByDeletion(e,n))),s=l?l._getTransformedByInsertion(r,n,null!==c||o):[],c){const e=new Rs(c.start._getCombined(i.start,r),c.end._getCombined(i.start,r));2==s.length?s.splice(1,0,e):s.push(e)}return s}_getTransformedByDeletion(e,t){let n=this.start._getTransformedByDeletion(e,t),o=this.end._getTransformedByDeletion(e,t);return null==n&&null==o?null:(null==n&&(n=e),null==o&&(o=e),new Rs(n,o))}static _createFromPositionAndShift(e,t){const n=e,o=e.getShiftedBy(t);return t>0?new this(n,o):new this(o,n)}static _createIn(e){return new this(Ts._createAt(e,0),Ts._createAt(e,e.maxOffset))}static _createOn(e){return this._createFromPositionAndShift(Ts._createBefore(e),e.offsetSize)}static _createFromRanges(e){if(0===e.length)throw new fn.a("range-create-from-ranges-empty-array",null);if(1==e.length)return e[0].clone();const t=e[0];e.sort((e,t)=>e.start.isAfter(t.start)?1:-1);const n=e.indexOf(t),o=new this(t.start,t.end);if(n>0)for(let t=n-1;e[t].end.isEqual(o.start);t++)o.start=Ts._createAt(e[t].start);for(let t=n+1;t<e.length&&e[t].start.isEqual(o.end);t++)o.end=Ts._createAt(e[t].end);return o}static fromJSON(e,t){return new this(Ts.fromJSON(e.start,t),Ts.fromJSON(e.end,t))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Is{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this.on("modelToViewPosition",(e,t)=>{if(t.viewPosition)return;const n=this._modelToViewMapping.get(t.modelPosition.parent);t.viewPosition=this.findPositionIn(n,t.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(e,t)=>{if(t.modelPosition)return;const n=this.findMappedViewAncestor(t.viewPosition),o=this._viewToModelMapping.get(n),i=this._toModelOffset(t.viewPosition.parent,t.viewPosition.offset,n);t.modelPosition=Ts._createAt(o,i)},{priority:"low"})}bindElements(e,t){this._modelToViewMapping.set(e,t),this._viewToModelMapping.set(t,e)}unbindViewElement(e){const t=this.toModelElement(e);if(this._viewToModelMapping.delete(e),this._elementToMarkerNames.has(e))for(const t of this._elementToMarkerNames.get(e))this._unboundMarkerNames.add(t);this._modelToViewMapping.get(t)==e&&this._modelToViewMapping.delete(t)}unbindModelElement(e){const t=this.toViewElement(e);this._modelToViewMapping.delete(e),this._viewToModelMapping.get(t)==e&&this._viewToModelMapping.delete(t)}bindElementToMarker(e,t){const n=this._markerNameToElements.get(t)||new Set;n.add(e);const o=this._elementToMarkerNames.get(e)||new Set;o.add(t),this._markerNameToElements.set(t,n),this._elementToMarkerNames.set(e,o)}unbindElementFromMarkerName(e,t){const n=this._markerNameToElements.get(t);n&&(n.delete(e),0==n.size&&this._markerNameToElements.delete(t));const o=this._elementToMarkerNames.get(e);o&&(o.delete(t),0==o.size&&this._elementToMarkerNames.delete(e))}flushUnboundMarkerNames(){const e=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),e}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(e){return this._viewToModelMapping.get(e)}toViewElement(e){return this._modelToViewMapping.get(e)}toModelRange(e){return new Rs(this.toModelPosition(e.start),this.toModelPosition(e.end))}toViewRange(e){return new ni(this.toViewPosition(e.start),this.toViewPosition(e.end))}toModelPosition(e){const t={viewPosition:e,mapper:this};return this.fire("viewToModelPosition",t),t.modelPosition}toViewPosition(e,t={isPhantom:!1}){const n={modelPosition:e,mapper:this,isPhantom:t.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(e){const t=this._markerNameToElements.get(e);if(!t)return null;const n=new Set;for(const e of t)if(e.is("attributeElement"))for(const t of e.getElementsWithSameId())n.add(t);else n.add(e);return n}registerViewToModelLength(e,t){this._viewToModelLengthCallbacks.set(e,t)}findMappedViewAncestor(e){let t=e.parent;for(;!this._viewToModelMapping.has(t);)t=t.parent;return t}_toModelOffset(e,t,n){if(n!=e){return this._toModelOffset(e.parent,e.index,n)+this._toModelOffset(e,t,e)}if(e.is("$text"))return t;let o=0;for(let n=0;n<t;n++)o+=this.getModelLength(e.getChild(n));return o}getModelLength(e){if(this._viewToModelLengthCallbacks.get(e.name)){return this._viewToModelLengthCallbacks.get(e.name)(e)}if(this._viewToModelMapping.has(e))return 1;if(e.is("$text"))return e.data.length;if(e.is("uiElement"))return 0;{let t=0;for(const n of e.getChildren())t+=this.getModelLength(n);return t}}findPositionIn(e,t){let n,o=0,i=0,r=0;if(e.is("$text"))return new ti(e,t);for(;i<t;)n=e.getChild(r),o=this.getModelLength(n),i+=o,r++;return i==t?this._moveViewPositionToTextNode(new ti(e,r)):this.findPositionIn(n,t-(i-o))}_moveViewPositionToTextNode(e){const t=e.nodeBefore,n=e.nodeAfter;return t instanceof Dn?new ti(t,t.data.length):n instanceof Dn?new ti(n,0):e}}Cn(Is,gn);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Os{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(e,t){t=Ms(t),e instanceof vs&&(e=this._getSymbolForTextProxy(e)),this._consumable.has(e)||this._consumable.set(e,new Map),this._consumable.get(e).set(t,!0)}consume(e,t){return t=Ms(t),e instanceof vs&&(e=this._getSymbolForTextProxy(e)),!!this.test(e,t)&&(this._consumable.get(e).set(t,!1),!0)}test(e,t){t=Ms(t),e instanceof vs&&(e=this._getSymbolForTextProxy(e));const n=this._consumable.get(e);if(void 0===n)return null;const o=n.get(t);return void 0===o?null:o}revert(e,t){t=Ms(t),e instanceof vs&&(e=this._getSymbolForTextProxy(e));const n=this.test(e,t);return!1===n?(this._consumable.get(e).set(t,!0),!0):!0!==n&&null}_getSymbolForTextProxy(e){let t=null;const n=this._textProxyRegistry.get(e.startOffset);if(n){const o=n.get(e.endOffset);o&&(t=o.get(e.parent))}return t||(t=this._addSymbolForTextProxy(e.startOffset,e.endOffset,e.parent)),t}_addSymbolForTextProxy(e,t,n){const o=Symbol("textProxySymbol");let i,r;return i=this._textProxyRegistry.get(e),i||(i=new Map,this._textProxyRegistry.set(e,i)),r=i.get(t),r||(r=new Map,i.set(t,r)),r.set(n,o),o}}function Ms(e){const t=e.split(":");return t.length>1?t[0]+":"+t[1]:t[0]}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Vs{constructor(e){this.conversionApi=Object.assign({dispatcher:this},e),this._reconversionEventsMapping=new Map}convertChanges(e,t,n){for(const t of e.getMarkersToRemove())this.convertMarkerRemove(t.name,t.range,n);const o=this._mapChangesWithAutomaticReconversion(e);for(const e of o)"insert"===e.type?this.convertInsert(Rs._createFromPositionAndShift(e.position,e.length),n):"remove"===e.type?this.convertRemove(e.position,e.length,e.name,n):"reconvert"===e.type?this.reconvertElement(e.element,n):this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,n);for(const e of this.conversionApi.mapper.flushUnboundMarkerNames()){const o=t.get(e).getRange();this.convertMarkerRemove(e,o,n),this.convertMarkerAdd(e,o,n)}for(const t of e.getMarkersToAdd())this.convertMarkerAdd(t.name,t.range,n)}convertInsert(e,t){this.conversionApi.writer=t,this.conversionApi.consumable=this._createInsertConsumable(e);for(const t of Array.from(e).map(Ds))this._convertInsertWithAttributes(t);this._clearConversionApi()}convertRemove(e,t,n,o){this.conversionApi.writer=o,this.fire("remove:"+n,{position:e,length:t},this.conversionApi),this._clearConversionApi()}convertAttribute(e,t,n,o,i){this.conversionApi.writer=i,this.conversionApi.consumable=this._createConsumableForRange(e,"attribute:"+t);for(const i of e){const e={item:i.item,range:Rs._createFromPositionAndShift(i.previousPosition,i.length),attributeKey:t,attributeOldValue:n,attributeNewValue:o};this._testAndFire("attribute:"+t,e)}this._clearConversionApi()}reconvertElement(e,t){const n=Rs._createOn(e);this.conversionApi.writer=t,this.conversionApi.consumable=this._createInsertConsumable(n);const o=this.conversionApi.mapper,i=o.toViewElement(e);t.remove(i),this._convertInsertWithAttributes({item:e,range:n});const r=o.toViewElement(e);for(const n of Rs._createIn(e)){const{item:e}=n,i=zs(e,o);i?i.root!==r.root&&t.move(t.createRangeOn(i),o.toViewPosition(Ts._createBefore(e))):this._convertInsertWithAttributes(Ds(n))}o.unbindViewElement(i),this._clearConversionApi()}convertSelection(e,t,n){const o=Array.from(t.getMarkersAtPosition(e.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(e,o),this.fire("selection",{selection:e},this.conversionApi),e.isCollapsed){for(const t of o){const n=t.getRange();if(!Ns(e.getFirstPosition(),t,this.conversionApi.mapper))continue;const o={item:e,markerName:t.name,markerRange:n};this.conversionApi.consumable.test(e,"addMarker:"+t.name)&&this.fire("addMarker:"+t.name,o,this.conversionApi)}for(const t of e.getAttributeKeys()){const n={item:e,range:e.getFirstRange(),attributeKey:t,attributeOldValue:null,attributeNewValue:e.getAttribute(t)};this.conversionApi.consumable.test(e,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(e,t,n){if(!t.root.document||"$graveyard"==t.root.rootName)return;this.conversionApi.writer=n;const o="addMarker:"+e,i=new Os;if(i.add(t,o),this.conversionApi.consumable=i,this.fire(o,{markerName:e,markerRange:t},this.conversionApi),i.test(t,o)){this.conversionApi.consumable=this._createConsumableForRange(t,o);for(const n of t.getItems()){if(!this.conversionApi.consumable.test(n,o))continue;const i={item:n,range:Rs._createOn(n),markerName:e,markerRange:t};this.fire(o,i,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(e,t,n){t.root.document&&"$graveyard"!=t.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+e,{markerName:e,markerRange:t},this.conversionApi),this._clearConversionApi())}_mapReconversionTriggerEvent(e,t){this._reconversionEventsMapping.set(t,e)}_createInsertConsumable(e){const t=new Os;for(const n of e){const e=n.item;t.add(e,"insert");for(const n of e.getAttributeKeys())t.add(e,"attribute:"+n)}return t}_createConsumableForRange(e,t){const n=new Os;for(const o of e.getItems())n.add(o,t);return n}_createSelectionConsumable(e,t){const n=new Os;n.add(e,"selection");for(const o of t)n.add(e,"addMarker:"+o.name);for(const t of e.getAttributeKeys())n.add(e,"attribute:"+t);return n}_testAndFire(e,t){this.conversionApi.consumable.test(t.item,e)&&this.fire(function(e,t){const n=t.item.name||"$text";return`${e}:${n}`}(e,t),t,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}_convertInsertWithAttributes(e){this._testAndFire("insert",e);for(const t of e.item.getAttributeKeys())e.attributeKey=t,e.attributeOldValue=null,e.attributeNewValue=e.item.getAttribute(t),this._testAndFire("attribute:"+t,e)}_mapChangesWithAutomaticReconversion(e){const t=new Set,n=[];for(const o of e.getChanges()){const e=o.position||o.range.start,i=e.parent;if(Es(e,i)){n.push(o);continue}const r="attribute"===o.type?Ps(e,i,null):i;if(r.is("$text")){n.push(o);continue}let s;if(s="attribute"===o.type?`attribute:${o.attributeKey}:${r.name}`:`${o.type}:${o.name}`,this._isReconvertTriggerEvent(s,r.name)){if(t.has(r))continue;t.add(r),n.push({type:"reconvert",element:r})}else n.push(o)}return n}_isReconvertTriggerEvent(e,t){return this._reconversionEventsMapping.get(e)===t}}function Ns(e,t,n){const o=t.getRange(),i=Array.from(e.getAncestors());i.shift(),i.reverse();return!i.some(e=>{if(o.containsItem(e)){return!!n.toViewElement(e).getCustomProperty("addHighlight")}})}function Ds(e){return{item:e.item,range:Rs._createFromPositionAndShift(e.previousPosition,e.length)}}function zs(e,t){if(e.is("textProxy")){const n=t.toViewPosition(Ts._createBefore(e)).parent;return n.is("$text")?n:null}return t.toViewElement(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */Cn(Vs,gn);class Fs{constructor(e,t,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,e&&this.setTo(e,t,n)}get anchor(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.end:e.start}return null}get focus(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.start:e.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(e){if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let n=!1;for(const o of e._ranges)if(t.isEqual(o)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const e of this._ranges)yield new Rs(e.start,e.end)}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?new Rs(e.start,e.end):null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?new Rs(e.start,e.end):null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}setTo(e,t,n){if(null===e)this._setRanges([]);else if(e instanceof Fs)this._setRanges(e.getRanges(),e.isBackward);else if(e&&"function"==typeof e.getRanges)this._setRanges(e.getRanges(),e.isBackward);else if(e instanceof Rs)this._setRanges([e],!!t&&!!t.backward);else if(e instanceof Ts)this._setRanges([new Rs(e)]);else if(e instanceof ks){const o=!!n&&!!n.backward;let i;if("in"==t)i=Rs._createIn(e);else if("on"==t)i=Rs._createOn(e);else{if(void 0===t)throw new fn.a("model-selection-setto-required-second-parameter",[this,e]);i=new Rs(Ts._createAt(e,t))}this._setRanges([i],o)}else{if(!xn(e))throw new fn.a("model-selection-setto-not-selectable",[this,e]);this._setRanges(e,t&&!!t.backward)}}_setRanges(e,t=!1){const n=(e=Array.from(e)).some(t=>{if(!(t instanceof Rs))throw new fn.a("model-selection-set-ranges-not-range",[this,e]);return this._ranges.every(e=>!e.isEqual(t))});if(e.length!==this._ranges.length||n){this._removeAllRanges();for(const t of e)this._pushRange(t);this._lastRangeBackward=!!t,this.fire("change:range",{directChange:!0})}}setFocus(e,t){if(null===this.anchor)throw new fn.a("model-selection-setfocus-no-ranges",[this,e]);const n=Ts._createAt(e,t);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(o)?(this._pushRange(new Rs(n,o)),this._lastRangeBackward=!0):(this._pushRange(new Rs(o,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(e){return this._attrs.has(e)}removeAttribute(e){this.hasAttribute(e)&&(this._attrs.delete(e),this.fire("change:attribute",{attributeKeys:[e],directChange:!0}))}setAttribute(e,t){this.getAttribute(e)!==t&&(this._attrs.set(e,t),this.fire("change:attribute",{attributeKeys:[e],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}is(e){return"selection"===e||"model:selection"===e}*getSelectedBlocks(){const e=new WeakSet;for(const t of this.getRanges()){const n=qs(t.start,e);n&&js(n,t)&&(yield n);for(const n of t.getWalker()){const o=n.item;"elementEnd"==n.type&&Ls(o,e,t)&&(yield o)}const o=qs(t.end,e);o&&!t.end.isTouching(Ts._createAt(o,0))&&js(o,t)&&(yield o)}}containsEntireContent(e=this.anchor.root){const t=Ts._createAt(e,0),n=Ts._createAt(e,"end");return t.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(e){this._checkRange(e),this._ranges.push(new Rs(e.start,e.end))}_checkRange(e){for(let t=0;t<this._ranges.length;t++)if(e.isIntersecting(this._ranges[t]))throw new fn.a("model-selection-range-intersects",[this,e],{addedRange:e,intersectingRange:this._ranges[t]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Bs(e,t){return!t.has(e)&&(t.add(e),e.root.document.model.schema.isBlock(e)&&e.parent)}function Ls(e,t,n){return Bs(e,t)&&js(e,n)}function qs(e,t){const n=e.parent.root.document.model.schema,o=e.parent.getAncestors({parentFirst:!0,includeSelf:!0});let i=!1;const r=o.find(e=>!i&&(i=n.isLimit(e),!i&&Bs(e,t)));return o.forEach(e=>t.add(e)),r}function js(e,t){const n=function(e){const t=e.root.document.model.schema;let n=e.parent;for(;n;){if(t.isBlock(n))return n;n=n.parent}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(e);if(!n)return!0;return!t.containsRange(Rs._createOn(n),!0)}Cn(Fs,gn);class Hs extends Rs{constructor(e,t){super(e,t),Ws.call(this)}detach(){this.stopListening()}is(e){return"liveRange"===e||"model:liveRange"===e||"range"==e||"model:range"===e}toRange(){return new Rs(this.start,this.end)}static fromRange(e){return new Hs(e.start,e.end)}}function Ws(){this.listenTo(this.root.document.model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&$s.call(this,n)},{priority:"low"})}function $s(e){const t=this.getTransformedByOperation(e),n=Rs._createFromRanges(t),o=!n.isEqual(this),i=function(e,t){switch(t.type){case"insert":return e.containsPosition(t.position);case"move":case"remove":case"reinsert":case"merge":return e.containsPosition(t.sourcePosition)||e.start.isEqual(t.sourcePosition)||e.containsPosition(t.targetPosition);case"split":return e.containsPosition(t.splitPosition)||e.containsPosition(t.insertionPosition)}return!1}(this,e);let r=null;if(o){"$graveyard"==n.root.rootName&&(r="remove"==e.type?e.sourcePosition:e.deletionPosition);const t=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",t,{deletionPosition:r})}else i&&this.fire("change:content",this.toRange(),{deletionPosition:r})}Cn(Hs,gn);class Us{constructor(e){this._selection=new Gs(e),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(e){return this._selection.containsEntireContent(e)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(e){return this._selection.getAttribute(e)}hasAttribute(e){return this._selection.hasAttribute(e)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}observeMarkers(e){this._selection.observeMarkers(e)}is(e){return"selection"===e||"model:selection"==e||"documentSelection"==e||"model:documentSelection"==e}_setFocus(e,t){this._selection.setFocus(e,t)}_setTo(e,t,n){this._selection.setTo(e,t,n)}_setAttribute(e,t){this._selection.setAttribute(e,t)}_removeAttribute(e){this._selection.removeAttribute(e)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(e){this._selection.restoreGravity(e)}static _getStoreAttributeKey(e){return"selection:"+e}static _isStoreAttributeKey(e){return e.startsWith("selection:")}}Cn(Us,gn);class Gs extends Fs{constructor(e){super(),this.markers=new An({idProperty:"name"}),this._model=e.model,this._document=e,this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this._observedMarkers=new Set,this.listenTo(this._model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))},{priority:"lowest"}),this.on("change:range",()=>{for(const e of this.getRanges())if(!this._document._validateSelectionRange(e))throw new fn.a("document-selection-wrong-position",this,{range:e})}),this.listenTo(this._model.markers,"update",(e,t,n,o)=>{this._updateMarker(t,o)}),this.listenTo(this._document,"change",(e,t)=>{!function(e,t){const n=e.document.differ;for(const o of n.getChanges()){if("insert"!=o.type)continue;const n=o.position.parent;o.length===n.maxOffset&&e.enqueueChange(t,e=>{const t=Array.from(n.getAttributeKeys()).filter(e=>e.startsWith("selection:"));for(const o of t)e.removeAttribute(o,n)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(this._model,t)})}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let e=0;e<this._ranges.length;e++)this._ranges[e].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(e,t,n){super.setTo(e,t,n),this._updateAttributes(!0),this._updateMarkers()}setFocus(e,t){super.setFocus(e,t),this._updateAttributes(!0),this._updateMarkers()}setAttribute(e,t){if(this._setAttribute(e,t)){const t=[e];this.fire("change:attribute",{attributeKeys:t,directChange:!0})}}removeAttribute(e){if(this._removeAttribute(e)){const t=[e];this.fire("change:attribute",{attributeKeys:t,directChange:!0})}}overrideGravity(){const e=un();return this._overriddenGravityRegister.add(e),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),e}restoreGravity(e){if(!this._overriddenGravityRegister.has(e))throw new fn.a("document-selection-gravity-wrong-restore",this,{uid:e});this._overriddenGravityRegister.delete(e),this.isGravityOverridden||this._updateAttributes(!0)}observeMarkers(e){this._observedMarkers.add(e),this._updateMarkers()}_popRange(){this._ranges.pop().detach()}_pushRange(e){const t=this._prepareRange(e);t&&this._ranges.push(t)}_prepareRange(e){if(this._checkRange(e),e.root==this._document.graveyard)return;const t=Hs.fromRange(e);return t.on("change:range",(e,n,o)=>{if(this._hasChangedRange=!0,t.root==this._document.graveyard){this._selectionRestorePosition=o.deletionPosition;const e=this._ranges.indexOf(t);this._ranges.splice(e,1),t.detach()}}),t}_updateMarkers(){if(!this._observedMarkers.size)return;const e=[];let t=!1;for(const t of this._model.markers){const n=t.name.split(":",1)[0];if(!this._observedMarkers.has(n))continue;const o=t.getRange();for(const n of this.getRanges())o.containsRange(n,!n.isCollapsed)&&e.push(t)}const n=Array.from(this.markers);for(const n of e)this.markers.has(n)||(this.markers.add(n),t=!0);for(const n of Array.from(this.markers))e.includes(n)||(this.markers.remove(n),t=!0);t&&this.fire("change:marker",{oldMarkers:n,directChange:!1})}_updateMarker(e,t){const n=e.name.split(":",1)[0];if(!this._observedMarkers.has(n))return;let o=!1;const i=Array.from(this.markers),r=this.markers.has(e);if(t){let n=!1;for(const e of this.getRanges())if(t.containsRange(e,!e.isCollapsed)){n=!0;break}n&&!r?(this.markers.add(e),o=!0):!n&&r&&(this.markers.remove(e),o=!0)}else r&&(this.markers.remove(e),o=!0);o&&this.fire("change:marker",{oldMarkers:i,directChange:!1})}_updateAttributes(e){const t=Fn(this._getSurroundingAttributes()),n=Fn(this.getAttributes());if(e)this._attributePriority=new Map,this._attrs=new Map;else for(const[e,t]of this._attributePriority)"low"==t&&(this._attrs.delete(e),this._attributePriority.delete(e));this._setAttributesTo(t);const o=[];for(const[e,t]of this.getAttributes())n.has(e)&&n.get(e)===t||o.push(e);for(const[e]of n)this.hasAttribute(e)||o.push(e);o.length>0&&this.fire("change:attribute",{attributeKeys:o,directChange:!1})}_setAttribute(e,t,n=!0){const o=n?"normal":"low";if("low"==o&&"normal"==this._attributePriority.get(e))return!1;return super.getAttribute(e)!==t&&(this._attrs.set(e,t),this._attributePriority.set(e,o),!0)}_removeAttribute(e,t=!0){const n=t?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(e))&&(this._attributePriority.set(e,n),!!super.hasAttribute(e)&&(this._attrs.delete(e),!0))}_setAttributesTo(e){const t=new Set;for(const[t,n]of this.getAttributes())e.get(t)!==n&&this._removeAttribute(t,!1);for(const[n,o]of e){this._setAttribute(n,o,!1)&&t.add(n)}return t}*_getStoredAttributes(){const e=this.getFirstPosition().parent;if(this.isCollapsed&&e.isEmpty)for(const t of e.getAttributeKeys())if(t.startsWith("selection:")){const n=t.substr("selection:".length);yield[n,e.getAttribute(t)]}}_getSurroundingAttributes(){const e=this.getFirstPosition(),t=this._model.schema;let n=null;if(this.isCollapsed){const o=e.textNode?e.textNode:e.nodeBefore,i=e.textNode?e.textNode:e.nodeAfter;if(this.isGravityOverridden||(n=Ks(o)),n||(n=Ks(i)),!this.isGravityOverridden&&!n){let e=o;for(;e&&!t.isInline(e)&&!n;)e=e.previousSibling,n=Ks(e)}if(!n){let e=i;for(;e&&!t.isInline(e)&&!n;)e=e.nextSibling,n=Ks(e)}n||(n=this._getStoredAttributes())}else{const e=this.getFirstRange();for(const o of e){if(o.item.is("element")&&t.isObject(o.item))break;if("text"==o.type){n=o.item.getAttributes();break}}}return n}_fixGraveyardSelection(e){const t=this._model.schema.getNearestSelectionRange(e);t&&this._pushRange(t)}}function Ks(e){return e instanceof vs||e instanceof _s?e.getAttributes():null}class Js{constructor(e){this._dispatchers=e}add(e){for(const t of this._dispatchers)e(t);return this}}var Zs=function(e){return tn(e,5)};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Qs extends Js{elementToElement(e){return this.add(function(e){return(e=Zs(e)).view=ea(e.view,"container"),t=>{var n;if(t.on("insert:"+e.model,(n=e.view,(e,t,o)=>{const i=n(t.item,o);if(!i)return;if(!o.consumable.consume(t.item,"insert"))return;const r=o.mapper.toViewPosition(t.range.start);o.mapper.bindElements(t.item,i),o.writer.insert(r,i)}),{priority:e.converterPriority||"normal"}),e.triggerBy){if(e.triggerBy.attributes)for(const n of e.triggerBy.attributes)t._mapReconversionTriggerEvent(e.model,`attribute:${n}:${e.model}`);if(e.triggerBy.children)for(const n of e.triggerBy.children)t._mapReconversionTriggerEvent(e.model,"insert:"+n),t._mapReconversionTriggerEvent(e.model,"remove:"+n)}}}(e))}attributeToElement(e){return this.add(function(e){e=Zs(e);let t="attribute:"+(e.model.key?e.model.key:e.model);e.model.name&&(t+=":"+e.model.name);if(e.model.values)for(const t of e.model.values)e.view[t]=ea(e.view[t],"attribute");else e.view=ea(e.view,"attribute");const n=ta(e);return o=>{o.on(t,function(e){return(t,n,o)=>{const i=e(n.attributeOldValue,o),r=e(n.attributeNewValue,o);if(!i&&!r)return;if(!o.consumable.consume(n.item,t.name))return;const s=o.writer,a=s.document.selection;if(n.item instanceof Fs||n.item instanceof Us)s.wrap(a.getFirstRange(),r);else{let e=o.mapper.toViewRange(n.range);null!==n.attributeOldValue&&i&&(e=s.unwrap(e,i)),null!==n.attributeNewValue&&r&&s.wrap(e,r)}}}(n),{priority:e.converterPriority||"normal"})}}(e))}attributeToAttribute(e){return this.add(function(e){e=Zs(e);let t="attribute:"+(e.model.key?e.model.key:e.model);e.model.name&&(t+=":"+e.model.name);if(e.model.values)for(const t of e.model.values)e.view[t]=na(e.view[t]);else e.view=na(e.view);const n=ta(e);return o=>{var i;o.on(t,(i=n,(e,t,n)=>{const o=i(t.attributeOldValue,n),r=i(t.attributeNewValue,n);if(!o&&!r)return;if(!n.consumable.consume(t.item,e.name))return;const s=n.mapper.toViewElement(t.item),a=n.writer;if(!s)throw new fn.a("conversion-attribute-to-attribute-on-text",[t,n]);if(null!==t.attributeOldValue&&o)if("class"==o.key){const e=En(o.value);for(const t of e)a.removeClass(t,s)}else if("style"==o.key){const e=Object.keys(o.value);for(const t of e)a.removeStyle(t,s)}else a.removeAttribute(o.key,s);if(null!==t.attributeNewValue&&r)if("class"==r.key){const e=En(r.value);for(const t of e)a.addClass(t,s)}else if("style"==r.key){const e=Object.keys(r.value);for(const t of e)a.setStyle(t,r.value[t],s)}else a.setAttribute(r.key,r.value,s)}),{priority:e.converterPriority||"normal"})}}(e))}markerToElement(e){return this.add(function(e){return(e=Zs(e)).view=ea(e.view,"ui"),t=>{var n;t.on("addMarker:"+e.model,(n=e.view,(e,t,o)=>{t.isOpening=!0;const i=n(t,o);t.isOpening=!1;const r=n(t,o);if(!i||!r)return;const s=t.markerRange;if(s.isCollapsed&&!o.consumable.consume(s,e.name))return;for(const t of s)if(!o.consumable.consume(t.item,e.name))return;const a=o.mapper,l=o.writer;l.insert(a.toViewPosition(s.start),i),o.mapper.bindElementToMarker(i,t.markerName),s.isCollapsed||(l.insert(a.toViewPosition(s.end),r),o.mapper.bindElementToMarker(r,t.markerName)),e.stop()}),{priority:e.converterPriority||"normal"}),t.on("removeMarker:"+e.model,(e.view,(e,t,n)=>{const o=n.mapper.markerNameToElements(t.markerName);if(o){for(const e of o)n.mapper.unbindElementFromMarkerName(e,t.markerName),n.writer.clear(n.writer.createRangeOn(e),e);n.writer.clearClonedElementsGroup(t.markerName),e.stop()}}),{priority:e.converterPriority||"normal"})}}(e))}markerToHighlight(e){return this.add(function(e){return t=>{var n;t.on("addMarker:"+e.model,(n=e.view,(e,t,o)=>{if(!t.item)return;if(!(t.item instanceof Fs||t.item instanceof Us||t.item.is("$textProxy")))return;const i=oa(n,t,o);if(!i)return;if(!o.consumable.consume(t.item,e.name))return;const r=o.writer,s=Ys(r,i),a=r.document.selection;if(t.item instanceof Fs||t.item instanceof Us)r.wrap(a.getFirstRange(),s,a);else{const e=o.mapper.toViewRange(t.range),n=r.wrap(e,s);for(const e of n.getItems())if(e.is("attributeElement")&&e.isSimilar(s)){o.mapper.bindElementToMarker(e,t.markerName);break}}}),{priority:e.converterPriority||"normal"}),t.on("addMarker:"+e.model,function(e){return(t,n,o)=>{if(!n.item)return;if(!(n.item instanceof xs))return;const i=oa(e,n,o);if(!i)return;if(!o.consumable.test(n.item,t.name))return;const r=o.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){o.consumable.consume(n.item,t.name);for(const e of Rs._createIn(n.item))o.consumable.consume(e.item,t.name);r.getCustomProperty("addHighlight")(r,i,o.writer),o.mapper.bindElementToMarker(r,n.markerName)}}}(e.view),{priority:e.converterPriority||"normal"}),t.on("removeMarker:"+e.model,function(e){return(t,n,o)=>{if(n.markerRange.isCollapsed)return;const i=oa(e,n,o);if(!i)return;const r=Ys(o.writer,i),s=o.mapper.markerNameToElements(n.markerName);if(s){for(const e of s)o.mapper.unbindElementFromMarkerName(e,n.markerName),e.is("attributeElement")?o.writer.unwrap(o.writer.createRangeOn(e),r):e.getCustomProperty("removeHighlight")(e,i.id,o.writer);o.writer.clearClonedElementsGroup(n.markerName),t.stop()}}}(e.view),{priority:e.converterPriority||"normal"})}}(e))}markerToData(e){return this.add(function(e){const t=(e=Zs(e)).model;e.view||(e.view=n=>({group:t,name:n.substr(e.model.length+1)}));return n=>{var o;n.on("addMarker:"+t,(o=e.view,(e,t,n)=>{const i=o(t.markerName,n);if(!i)return;const r=t.markerRange;n.consumable.consume(r,e.name)&&(Xs(r,!1,n,t,i),Xs(r,!0,n,t,i),e.stop())}),{priority:e.converterPriority||"normal"}),n.on("removeMarker:"+t,function(e){return(t,n,o)=>{const i=e(n.markerName,o);if(!i)return;const r=o.mapper.markerNameToElements(n.markerName);if(r){for(const e of r)o.mapper.unbindElementFromMarkerName(e,n.markerName),e.is("containerElement")?(s(`data-${i.group}-start-before`,e),s(`data-${i.group}-start-after`,e),s(`data-${i.group}-end-before`,e),s(`data-${i.group}-end-after`,e)):o.writer.clear(o.writer.createRangeOn(e),e);o.writer.clearClonedElementsGroup(n.markerName),t.stop()}function s(e,t){if(t.hasAttribute(e)){const n=new Set(t.getAttribute(e).split(","));n.delete(i.name),0==n.size?o.writer.removeAttribute(e,t):o.writer.setAttribute(e,Array.from(n).join(","),t)}}}}(e.view),{priority:e.converterPriority||"normal"})}}(e))}}function Ys(e,t){const n=e.createAttributeElement("span",t.attributes);return t.classes&&n._addClass(t.classes),t.priority&&(n._priority=t.priority),n._id=t.id,n}function Xs(e,t,n,o,i){const r=t?e.start:e.end;if(n.schema.checkChild(r,"$text")){!function(e,t,n,o,i){const r=`${i.group}-${t?"start":"end"}`,s=i.name?{name:i.name}:null,a=n.writer.createUIElement(r,s);n.writer.insert(e,a),n.mapper.bindElementToMarker(a,o.markerName)}(n.mapper.toViewPosition(r),t,n,o,i)}else{let e,s;t&&r.nodeAfter||!t&&!r.nodeBefore?(e=r.nodeAfter,s=!0):(e=r.nodeBefore,s=!1);!function(e,t,n,o,i,r){const s=`data-${r.group}-${t?"start":"end"}-${n?"before":"after"}`,a=e.hasAttribute(s)?e.getAttribute(s).split(","):[];a.unshift(r.name),o.writer.setAttribute(s,a.join(","),e),o.mapper.bindElementToMarker(e,i.markerName)}(n.mapper.toViewElement(e),t,s,n,o,i)}}function ea(e,t){return"function"==typeof e?e:(n,o)=>function(e,t,n){"string"==typeof e&&(e={name:e});let o;const i=t.writer,r=Object.assign({},e.attributes);if("container"==n)o=i.createContainerElement(e.name,r);else if("attribute"==n){const t={priority:e.priority||li.DEFAULT_PRIORITY};o=i.createAttributeElement(e.name,r,t)}else o=i.createUIElement(e.name,r);if(e.styles){const t=Object.keys(e.styles);for(const n of t)i.setStyle(n,e.styles[n],o)}if(e.classes){const t=e.classes;if("string"==typeof t)i.addClass(t,o);else for(const e of t)i.addClass(e,o)}return o}(e,o,t)}function ta(e){return e.model.values?(t,n)=>{const o=e.view[t];return o?o(t,n):null}:e.view}function na(e){return"string"==typeof e?t=>({key:e,value:t}):"object"==typeof e?e.value?()=>e:t=>({key:e.key,value:t}):e}function oa(e,t,n){const o="function"==typeof e?e(t,n):e;return o?(o.priority||(o.priority=10),o.id||(o.id=t.markerName),o):null}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function ia(e){const{schema:t,document:n}=e.model;for(const o of n.getRootNames()){const i=n.getRoot(o);if(i.isEmpty&&!t.checkChild(i,"$text")&&t.checkChild(i,"paragraph"))return e.insertElement("paragraph",i),!0}return!1}function ra(e,t,n){const o=n.createContext(e);return!!n.checkChild(o,"paragraph")&&!!n.checkChild(o.push("paragraph"),t)}function sa(e,t){const n=t.createElement("paragraph");return t.insert(n,e),t.createPositionAt(n,0)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class aa extends Js{elementToElement(e){return this.add(la(e))}elementToAttribute(e){return this.add(function(e){ua(e=Zs(e));const t=ha(e,!1),n=ca(e.view),o=n?"element:"+n:"element";return n=>{n.on(o,t,{priority:e.converterPriority||"low"})}}(e))}attributeToAttribute(e){return this.add(function(e){e=Zs(e);let t=null;("string"==typeof e.view||e.view.key)&&(t=function(e){"string"==typeof e.view&&(e.view={key:e.view});const t=e.view.key;let n;if("class"==t||"style"==t){n={["class"==t?"classes":"styles"]:e.view.value}}else{const o=void 0===e.view.value?/[\s\S]*/:e.view.value;n={attributes:{[t]:o}}}e.view.name&&(n.name=e.view.name);return e.view=n,t}(e));ua(e,t);const n=ha(e,!0);return t=>{t.on("element",n,{priority:e.converterPriority||"low"})}}(e))}elementToMarker(e){return Object(fn.c)("upcast-helpers-element-to-marker-deprecated"),this.add(function(e){return function(e){const t=e.model;e.model=(e,n)=>{const o="string"==typeof t?t:t(e,n);return n.writer.createElement("$marker",{"data-name":o})}}(e=Zs(e)),la(e)}(e))}dataToMarker(e){return this.add(function(e){(e=Zs(e)).model||(e.model=t=>t?e.view+":"+t:e.view);const t=da(fa(e,"start")),n=da(fa(e,"end"));return o=>{o.on("element:"+e.view+"-start",t,{priority:e.converterPriority||"normal"}),o.on("element:"+e.view+"-end",n,{priority:e.converterPriority||"normal"});const i=hn.get("low"),r=hn.get("highest"),s=hn.get(e.converterPriority)/r;o.on("element",function(e){return(t,n,o)=>{const i="data-"+e.view;function r(t,i){for(const r of i){const i=e.model(r,o),s=o.writer.createElement("$marker",{"data-name":i});o.writer.insert(s,t),n.modelCursor.isEqual(t)?n.modelCursor=n.modelCursor.getShiftedBy(1):n.modelCursor=n.modelCursor._getTransformedByInsertion(t,1),n.modelRange=n.modelRange._getTransformedByInsertion(t,1)[0]}}n.modelRange||(n=Object.assign(n,o.convertChildren(n.viewItem,n.modelCursor))),o.consumable.consume(n.viewItem,{attributes:i+"-end-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(i+"-end-after").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-start-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(i+"-start-after").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-end-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(i+"-end-before").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-start-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(i+"-start-before").split(","))}}(e),{priority:i+s})}}(e))}}function la(e){const t=da(e=Zs(e)),n=ca(e.view),o=n?"element:"+n:"element";return n=>{n.on(o,t,{priority:e.converterPriority||"normal"})}}function ca(e){return"string"==typeof e?e:"object"==typeof e&&"string"==typeof e.name?e.name:null}function da(e){const t=new Bn(e.view);return(n,o,i)=>{const r=t.match(o.viewItem);if(!r)return;const s=r.match;if(s.name=!0,!i.consumable.test(o.viewItem,s))return;const a=function(e,t,n){return e instanceof Function?e(t,n):n.writer.createElement(e)}(e.model,o.viewItem,i);a&&i.safeInsert(a,o.modelCursor)&&(i.consumable.consume(o.viewItem,s),i.convertChildren(o.viewItem,a),i.updateConversionResult(a,o))}}function ua(e,t=null){const n=null===t||(e=>e.getAttribute(t)),o="object"!=typeof e.model?e.model:e.model.key,i="object"!=typeof e.model||void 0===e.model.value?n:e.model.value;e.model={key:o,value:i}}function ha(e,t){const n=new Bn(e.view);return(o,i,r)=>{const s=n.match(i.viewItem);if(!s)return;const a=e.model.key,l="function"==typeof e.model.value?e.model.value(i.viewItem,r):e.model.value;if(null===l)return;if(!function(e,t){const n="function"==typeof e?e(t):e;if("object"==typeof n&&!ca(n))return!1;return!n.classes&&!n.attributes&&!n.styles}(e.view,i.viewItem)?delete s.match.name:s.match.name=!0,!r.consumable.test(i.viewItem,s.match))return;i.modelRange||(i=Object.assign(i,r.convertChildren(i.viewItem,i.modelCursor)));(function(e,t,n,o){let i=!1;for(const r of Array.from(e.getItems({shallow:n})))o.schema.checkAttribute(r,t.key)&&(o.writer.setAttribute(t.key,t.value,r),i=!0);return i})(i.modelRange,{key:a,value:l},t,r)&&r.consumable.consume(i.viewItem,s.match)}}function fa(e,t){const n={};return n.view=e.view+"-"+t,n.model=(t,n)=>{const o=t.getAttribute("name"),i=e.model(o,n);return n.writer.createElement("$marker",{"data-name":i})},n}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class pa{constructor(e,t){this.model=e,this.view=new ws(t),this.mapper=new Is,this.downcastDispatcher=new Vs({mapper:this.mapper,schema:e.schema});const n=this.model.document,o=n.selection,i=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(n,"change",()=>{this.view.change(e=>{this.downcastDispatcher.convertChanges(n.differ,i,e),this.downcastDispatcher.convertSelection(o,i,e)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(e,t){return(n,o)=>{const i=o.newSelection,r=[];for(const e of i.getRanges())r.push(t.toModelRange(e));const s=e.createSelection(r,{backward:i.isBackward});s.isEqual(e.document.selection)||e.change(e=>{e.setSelection(s)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(e,t,n)=>{if(!n.consumable.consume(t.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(t.range.start),r=o.createText(t.item.data);o.insert(i,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(e,t,n)=>{const o=n.mapper.toViewPosition(t.position),i=t.position.getShiftedBy(t.length),r=n.mapper.toViewPosition(i,{isPhantom:!0}),s=n.writer.createRange(o,r),a=n.writer.remove(s.getTrimmed());for(const e of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(e)},{priority:"low"}),this.downcastDispatcher.on("selection",(e,t,n)=>{const o=n.writer,i=o.document.selection;for(const e of i.getRanges())e.isCollapsed&&e.end.parent.isAttached()&&n.writer.mergeAttributes(e.start);o.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(e,t,n)=>{const o=t.selection;if(o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=[];for(const e of o.getRanges()){const t=n.mapper.toViewRange(e);i.push(t)}n.writer.setSelection(i,{backward:o.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(e,t,n)=>{const o=t.selection;if(!o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=n.writer,r=o.getFirstPosition(),s=n.mapper.toViewPosition(r),a=i.breakAttributes(s);i.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(e=>{if("$graveyard"==e.rootName)return null;const t=new Xo(this.view.document,e.name);return t.rootName=e.rootName,this.mapper.bindElements(e,t),t})}destroy(){this.view.destroy(),this.stopListening()}}Cn(pa,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class ma{constructor(){this._commands=new Map}add(e,t){this._commands.set(e,t)}get(e){return this._commands.get(e)}execute(e,...t){const n=this.get(e);if(!n)throw new fn.a("commandcollection-command-not-found",this,{commandName:e});return n.execute(...t)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const e of this.commands())e.destroy()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ga{constructor(){this._consumables=new Map}add(e,t){let n;e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):(this._consumables.has(e)?n=this._consumables.get(e):(n=new ba(e),this._consumables.set(e,n)),n.add(t))}test(e,t){const n=this._consumables.get(e);return void 0===n?null:e.is("$text")||e.is("documentFragment")?n:n.test(t)}consume(e,t){return!!this.test(e,t)&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!1):this._consumables.get(e).consume(t),!0)}revert(e,t){const n=this._consumables.get(e);void 0!==n&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):n.revert(t))}static consumablesFromElement(e){const t={element:e,name:!0,attributes:[],classes:[],styles:[]},n=e.getAttributeKeys();for(const e of n)"style"!=e&&"class"!=e&&t.attributes.push(e);const o=e.getClassNames();for(const e of o)t.classes.push(e);const i=e.getStyleNames();for(const e of i)t.styles.push(e);return t}static createFrom(e,t){if(t||(t=new ga(e)),e.is("$text"))return t.add(e),t;e.is("element")&&t.add(e,ga.consumablesFromElement(e)),e.is("documentFragment")&&t.add(e);for(const n of e.getChildren())t=ga.createFrom(n,t);return t}}class ba{constructor(e){this.element=e,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(e){e.name&&(this._canConsumeName=!0);for(const t in this._consumables)t in e&&this._add(t,e[t])}test(e){if(e.name&&!this._canConsumeName)return this._canConsumeName;for(const t in this._consumables)if(t in e){const n=this._test(t,e[t]);if(!0!==n)return n}return!0}consume(e){e.name&&(this._canConsumeName=!1);for(const t in this._consumables)t in e&&this._consume(t,e[t])}revert(e){e.name&&(this._canConsumeName=!0);for(const t in this._consumables)t in e&&this._revert(t,e[t])}_add(e,t){const n=De(t)?t:[t],o=this._consumables[e];for(const t of n){if("attributes"===e&&("class"===t||"style"===t))throw new fn.a("viewconsumable-invalid-attribute",this);if(o.set(t,!0),"styles"===e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))o.set(e,!0)}}_test(e,t){const n=De(t)?t:[t],o=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t){const e=o.get(t);if(void 0===e)return null;if(!e)return!1}else{const e="class"==t?"classes":"styles",n=this._test(e,[...this._consumables[e].keys()]);if(!0!==n)return n}return!0}_consume(e,t){const n=De(t)?t:[t],o=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t){if(o.set(t,!1),"styles"==e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))o.set(e,!1)}else{const e="class"==t?"classes":"styles";this._consume(e,[...this._consumables[e].keys()])}}_revert(e,t){const n=De(t)?t:[t],o=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t){!1===o.get(t)&&o.set(t,!0)}else{const e="class"==t?"classes":"styles";this._revert(e,[...this._consumables[e].keys()])}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class wa{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(e,t)=>{t[0]=new ka(t[0])},{priority:"highest"}),this.on("checkChild",(e,t)=>{t[0]=new ka(t[0]),t[1]=this.getDefinition(t[1])},{priority:"highest"})}register(e,t){if(this._sourceDefinitions[e])throw new fn.a("schema-cannot-register-item-twice",this,{itemName:e});this._sourceDefinitions[e]=[Object.assign({},t)],this._clearCache()}extend(e,t){if(!this._sourceDefinitions[e])throw new fn.a("schema-cannot-extend-missing-item",this,{itemName:e});this._sourceDefinitions[e].push(Object.assign({},t)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(e){let t;return t="string"==typeof e?e:e.is&&(e.is("$text")||e.is("$textProxy"))?"$text":e.name,this.getDefinitions()[t]}isRegistered(e){return!!this.getDefinition(e)}isBlock(e){const t=this.getDefinition(e);return!(!t||!t.isBlock)}isLimit(e){const t=this.getDefinition(e);return!!t&&!(!t.isLimit&&!t.isObject)}isObject(e){const t=this.getDefinition(e);return!!t&&!!(t.isObject||t.isLimit&&t.isSelectable&&t.isContent)}isInline(e){const t=this.getDefinition(e);return!(!t||!t.isInline)}isSelectable(e){const t=this.getDefinition(e);return!!t&&!(!t.isSelectable&&!t.isObject)}isContent(e){const t=this.getDefinition(e);return!!t&&!(!t.isContent&&!t.isObject)}checkChild(e,t){return!!t&&this._checkContextMatch(t,e)}checkAttribute(e,t){const n=this.getDefinition(e.last);return!!n&&n.allowAttributes.includes(t)}checkMerge(e,t=null){if(e instanceof Ts){const t=e.nodeBefore,n=e.nodeAfter;if(!(t instanceof xs))throw new fn.a("schema-check-merge-no-element-before",this);if(!(n instanceof xs))throw new fn.a("schema-check-merge-no-element-after",this);return this.checkMerge(t,n)}for(const n of t.getChildren())if(!this.checkChild(e,n))return!1;return!0}addChildCheck(e){this.on("checkChild",(t,[n,o])=>{if(!o)return;const i=e(n,o);"boolean"==typeof i&&(t.stop(),t.return=i)},{priority:"high"})}addAttributeCheck(e){this.on("checkAttribute",(t,[n,o])=>{const i=e(n,o);"boolean"==typeof i&&(t.stop(),t.return=i)},{priority:"high"})}setAttributeProperties(e,t){this._attributeProperties[e]=Object.assign(this.getAttributeProperties(e),t)}getAttributeProperties(e){return this._attributeProperties[e]||{}}getLimitElement(e){let t;if(e instanceof Ts)t=e.parent;else{t=(e instanceof Rs?[e]:Array.from(e.getRanges())).reduce((e,t)=>{const n=t.getCommonAncestor();return e?e.getCommonAncestor(n,{includeSelf:!0}):n},null)}for(;!this.isLimit(t)&&t.parent;)t=t.parent;return t}checkAttributeInSelection(e,t){if(e.isCollapsed){const n=[...e.getFirstPosition().getAncestors(),new _s("",e.getAttributes())];return this.checkAttribute(n,t)}{const n=e.getRanges();for(const e of n)for(const n of e)if(this.checkAttribute(n.item,t))return!0}return!1}*getValidRanges(e,t){e=function*(e){for(const t of e)yield*t.getMinimalFlatRanges()}(e);for(const n of e)yield*this._getValidRangesForRange(n,t)}getNearestSelectionRange(e,t="both"){if(this.checkChild(e,"$text"))return new Rs(e);let n,o;const i=e.getAncestors().reverse().find(e=>this.isLimit(e))||e.root;"both"!=t&&"backward"!=t||(n=new Cs({boundaries:Rs._createIn(i),startPosition:e,direction:"backward"})),"both"!=t&&"forward"!=t||(o=new Cs({boundaries:Rs._createIn(i),startPosition:e}));for(const e of function*(e,t){let n=!1;for(;!n;){if(n=!0,e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}if(t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}}}(n,o)){const t=e.walker==n?"elementEnd":"elementStart",o=e.value;if(o.type==t&&this.isObject(o.item))return Rs._createOn(o.item);if(this.checkChild(o.nextPosition,"$text"))return new Rs(o.nextPosition)}return null}findAllowedParent(e,t){let n=e.parent;for(;n;){if(this.checkChild(n,t))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(e,t){for(const n of e)if(n.is("$text"))Ra(this,n,t);else{const e=Rs._createIn(n).getPositions();for(const n of e){Ra(this,n.nodeBefore||n.parent,t)}}}createContext(e){return new ka(e)}_clearCache(){this._compiledDefinitions=null}_compile(){const e={},t=this._sourceDefinitions,n=Object.keys(t);for(const o of n)e[o]=_a(t[o],o);for(const t of n)va(e,t);for(const t of n)ya(e,t);for(const t of n)xa(e,t),Ca(e,t);for(const t of n)Aa(e,t),Ta(e,t);this._compiledDefinitions=e}_checkContextMatch(e,t,n=t.length-1){const o=t.getItem(n);if(e.allowIn.includes(o.name)){if(0==n)return!0;{const e=this.getDefinition(o);return this._checkContextMatch(e,t,n-1)}}return!1}*_getValidRangesForRange(e,t){let n=e.start,o=e.start;for(const i of e.getItems({shallow:!0}))i.is("element")&&(yield*this._getValidRangesForRange(Rs._createIn(i),t)),this.checkAttribute(i,t)||(n.isEqual(o)||(yield new Rs(n,o)),n=Ts._createAfter(i)),o=Ts._createAfter(i);n.isEqual(o)||(yield new Rs(n,o))}}Cn(wa,$o);class ka{constructor(e){if(e instanceof ka)return e;"string"==typeof e?e=[e]:Array.isArray(e)||(e=e.getAncestors({includeSelf:!0})),e[0]&&"string"!=typeof e[0]&&e[0].is("documentFragment")&&e.shift(),this._items=e.map(Sa)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(e){const t=new ka([e]);return t._items=[...this._items,...t._items],t}getItem(e){return this._items[e]}*getNames(){yield*this._items.map(e=>e.name)}endsWith(e){return Array.from(this.getNames()).join(" ").endsWith(e)}startsWith(e){return Array.from(this.getNames()).join(" ").startsWith(e)}}function _a(e,t){const n={name:t,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(e,t){for(const n of e){const e=Object.keys(n).filter(e=>e.startsWith("is"));for(const o of e)t[o]=n[o]}}(e,n),Ea(e,n,"allowIn"),Ea(e,n,"allowContentOf"),Ea(e,n,"allowWhere"),Ea(e,n,"allowAttributes"),Ea(e,n,"allowAttributesOf"),Ea(e,n,"inheritTypesFrom"),function(e,t){for(const n of e){const e=n.inheritAllFrom;e&&(t.allowContentOf.push(e),t.allowWhere.push(e),t.allowAttributesOf.push(e),t.inheritTypesFrom.push(e))}}(e,n),n}function va(e,t){for(const n of e[t].allowContentOf)if(e[n]){Pa(e,n).forEach(e=>{e.allowIn.push(t)})}delete e[t].allowContentOf}function ya(e,t){for(const n of e[t].allowWhere){const o=e[n];if(o){const n=o.allowIn;e[t].allowIn.push(...n)}}delete e[t].allowWhere}function xa(e,t){for(const n of e[t].allowAttributesOf){const o=e[n];if(o){const n=o.allowAttributes;e[t].allowAttributes.push(...n)}}delete e[t].allowAttributesOf}function Ca(e,t){const n=e[t];for(const t of n.inheritTypesFrom){const o=e[t];if(o){const e=Object.keys(o).filter(e=>e.startsWith("is"));for(const t of e)t in n||(n[t]=o[t])}}delete n.inheritTypesFrom}function Aa(e,t){const n=e[t],o=n.allowIn.filter(t=>e[t]);n.allowIn=Array.from(new Set(o))}function Ta(e,t){const n=e[t];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function Ea(e,t,n){for(const o of e)"string"==typeof o[n]?t[n].push(o[n]):Array.isArray(o[n])&&t[n].push(...o[n])}function Pa(e,t){const n=e[t];return(o=e,Object.keys(o).map(e=>o[e])).filter(e=>e.allowIn.includes(n.name));var o}function Sa(e){return"string"==typeof e?{name:e,*getAttributeKeys(){},getAttribute(){}}:{name:e.is("element")?e.name:"$text",*getAttributeKeys(){yield*e.getAttributeKeys()},getAttribute:t=>e.getAttribute(t)}}function Ra(e,t,n){for(const o of t.getAttributeKeys())e.checkAttribute(t,o)||n.removeAttribute(o,t)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ia{constructor(e={}){this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},e),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.safeInsert=this._safeInsert.bind(this),this.conversionApi.updateConversionResult=this._updateConversionResult.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(e,t,n=["$root"]){this.fire("viewCleanup",e),this._modelCursor=function(e,t){let n;for(const o of new ka(e)){const e={};for(const t of o.getAttributeKeys())e[t]=o.getAttribute(t);const i=t.createElement(o.name,e);n&&t.append(i,n),n=Ts._createAt(i,0)}return n}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(n,t),this.conversionApi.writer=t,this.conversionApi.consumable=ga.createFrom(e),this.conversionApi.store={};const{modelRange:o}=this._convertItem(e,this._modelCursor),i=t.createDocumentFragment();if(o){this._removeEmptyElements();for(const e of Array.from(this._modelCursor.parent.getChildren()))t.append(e,i);i.markers=function(e,t){const n=new Set,o=new Map,i=Rs._createIn(e).getItems();for(const e of i)"$marker"==e.name&&n.add(e);for(const e of n){const n=e.getAttribute("data-name"),i=t.createPositionBefore(e);o.has(n)?o.get(n).end=i.clone():o.set(n,new Rs(i.clone())),t.remove(e)}return o}(i,t)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,i}_convertItem(e,t){const n=Object.assign({viewItem:e,modelCursor:t,modelRange:null});if(e.is("element")?this.fire("element:"+e.name,n,this.conversionApi):e.is("$text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof Rs))throw new fn.a("view-conversion-dispatcher-incorrect-result",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(e,t){let n=t.is("position")?t:Ts._createAt(t,0);const o=new Rs(n);for(const t of Array.from(e.getChildren())){const e=this._convertItem(t,n);e.modelRange instanceof Rs&&(o.end=e.modelRange.end,n=e.modelCursor)}return{modelRange:o,modelCursor:n}}_safeInsert(e,t){const n=this._splitToAllowedParent(e,t);return!!n&&(this.conversionApi.writer.insert(e,n.position),!0)}_updateConversionResult(e,t){const n=this._getSplitParts(e),o=this.conversionApi.writer;t.modelRange||(t.modelRange=o.createRange(o.createPositionBefore(e),o.createPositionAfter(n[n.length-1])));const i=this._cursorParents.get(e);t.modelCursor=i?o.createPositionAt(i,0):t.modelRange.end}_splitToAllowedParent(e,t){const{schema:n,writer:o}=this.conversionApi;let i=n.findAllowedParent(t,e);if(i){if(i===t.parent)return{position:t};this._modelCursor.parent.getAncestors().includes(i)&&(i=null)}if(!i)return ra(t,e,n)?{position:sa(t,o)}:null;const r=this.conversionApi.writer.split(t,i),s=[];for(const e of r.range.getWalker())if("elementEnd"==e.type)s.push(e.item);else{const t=s.pop(),n=e.item;this._registerSplitPair(t,n)}const a=r.range.end.parent;return this._cursorParents.set(e,a),{position:r.position,cursorParent:a}}_registerSplitPair(e,t){this._splitParts.has(e)||this._splitParts.set(e,[e]);const n=this._splitParts.get(e);this._splitParts.set(t,n),n.push(t)}_getSplitParts(e){let t;return t=this._splitParts.has(e)?this._splitParts.get(e):[e],t}_removeEmptyElements(){let e=!1;for(const t of this._splitParts.keys())t.isEmpty&&(this.conversionApi.writer.remove(t),this._splitParts.delete(t),e=!0);e&&this._removeEmptyElements()}}Cn(Ia,gn);class Oa{getHtml(e){const t=document.implementation.createHTMLDocument("").createElement("div");return t.appendChild(e),t.innerHTML}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ma{constructor(e){this._domParser=new DOMParser,this._domConverter=new dr(e,{blockFillerMode:"nbsp"}),this._htmlWriter=new Oa}toData(e){const t=this._domConverter.viewToDom(e,document);return this._htmlWriter.getHtml(t)}toView(e){const t=this._toDom(e);return this._domConverter.domToView(t)}registerRawContentMatcher(e){this._domConverter.registerRawContentMatcher(e)}_toDom(e){const t=this._domParser.parseFromString(e,"text/html"),n=t.createDocumentFragment(),o=t.body.childNodes;for(;o.length>0;)n.appendChild(o[0]);return n}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Va{constructor(e,t){this.model=e,this.mapper=new Is,this.downcastDispatcher=new Vs({mapper:this.mapper,schema:e.schema}),this.downcastDispatcher.on("insert:$text",(e,t,n)=>{if(!n.consumable.consume(t.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(t.range.start),r=o.createText(t.item.data);o.insert(i,r)},{priority:"lowest"}),this.upcastDispatcher=new Ia({schema:e.schema}),this.viewDocument=new ai(t),this.stylesProcessor=t,this.htmlProcessor=new Ma(this.viewDocument),this.processor=this.htmlProcessor,this._viewWriter=new Ii(this.viewDocument),this.upcastDispatcher.on("text",(e,t,{schema:n,consumable:o,writer:i})=>{let r=t.modelCursor;if(!o.test(t.viewItem))return;if(!n.checkChild(r,"$text")){if(!ra(r,"$text",n))return;r=sa(r,i)}o.consume(t.viewItem);const s=i.createText(t.viewItem.data);i.insert(s,r),t.modelRange=i.createRange(r,r.getShiftedBy(s.offsetSize)),t.modelCursor=t.modelRange.end},{priority:"lowest"}),this.upcastDispatcher.on("element",(e,t,n)=>{if(!t.modelRange&&n.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:o}=n.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=o}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(e,t,n)=>{if(!t.modelRange&&n.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:o}=n.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=o}},{priority:"lowest"}),this.decorate("init"),this.decorate("set"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"}),this.on("ready",()=>{this.model.enqueueChange("transparent",ia)},{priority:"lowest"})}get(e={}){const{rootName:t="main",trim:n="empty"}=e;if(!this._checkIfRootsExists([t]))throw new fn.a("datacontroller-get-non-existent-root",this);const o=this.model.document.getRoot(t);return"empty"!==n||this.model.hasContent(o,{ignoreWhitespaces:!0})?this.stringify(o,e):""}stringify(e,t){const n=this.toView(e,t);return this.processor.toData(n)}toView(e,t){const n=this.viewDocument,o=this._viewWriter;this.mapper.clearBindings();const i=Rs._createIn(e),r=new Ri(n);if(this.mapper.bindElements(e,r),this.downcastDispatcher.conversionApi.options=t,this.downcastDispatcher.convertInsert(i,o),!e.is("documentFragment")){const t=function(e){const t=[],n=e.root.document;if(!n)return[];const o=Rs._createIn(e);for(const e of n.model.markers){const n=o.getIntersection(e.getRange());n&&t.push([e.name,n])}return t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(e);for(const[e,n]of t)this.downcastDispatcher.convertMarkerAdd(e,n,o)}return delete this.downcastDispatcher.conversionApi.options,r}init(e){if(this.model.document.version)throw new fn.a("datacontroller-init-document-not-empty",this);let t={};if("string"==typeof e?t.main=e:t=e,!this._checkIfRootsExists(Object.keys(t)))throw new fn.a("datacontroller-init-non-existent-root",this);return this.model.enqueueChange("transparent",e=>{for(const n of Object.keys(t)){const o=this.model.document.getRoot(n);e.insert(this.parse(t[n],o),o,0)}}),Promise.resolve()}set(e){let t={};if("string"==typeof e?t.main=e:t=e,!this._checkIfRootsExists(Object.keys(t)))throw new fn.a("datacontroller-set-non-existent-root",this);this.model.enqueueChange("transparent",e=>{e.setSelection(null),e.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(t)){const o=this.model.document.getRoot(n);e.remove(e.createRangeIn(o)),e.insert(this.parse(t[n],o),o,0)}})}parse(e,t="$root"){const n=this.processor.toView(e);return this.toModel(n,t)}toModel(e,t="$root"){return this.model.change(n=>this.upcastDispatcher.convert(e,n,t))}addStyleProcessorRules(e){e(this.stylesProcessor)}registerRawContentMatcher(e){this.processor&&this.processor!==this.htmlProcessor&&this.processor.registerRawContentMatcher(e),this.htmlProcessor.registerRawContentMatcher(e)}destroy(){this.stopListening()}_checkIfRootsExists(e){for(const t of e)if(!this.model.document.getRootNames().includes(t))return!1;return!0}}Cn(Va,$o);class Na{constructor(e,t){this._helpers=new Map,this._downcast=En(e),this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=En(t),this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(e,t){const n=this._downcast.includes(t);if(!this._upcast.includes(t)&&!n)throw new fn.a("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:e,dispatchers:[t],isDowncast:n})}for(e){if(!this._helpers.has(e))throw new fn.a("conversion-for-unknown-group",this);return this._helpers.get(e)}elementToElement(e){this.for("downcast").elementToElement(e);for(const{model:t,view:n}of Da(e))this.for("upcast").elementToElement({model:t,view:n,converterPriority:e.converterPriority})}attributeToElement(e){this.for("downcast").attributeToElement(e);for(const{model:t,view:n}of Da(e))this.for("upcast").elementToAttribute({view:n,model:t,converterPriority:e.converterPriority})}attributeToAttribute(e){this.for("downcast").attributeToAttribute(e);for(const{model:t,view:n}of Da(e))this.for("upcast").attributeToAttribute({view:n,model:t})}_createConversionHelpers({name:e,dispatchers:t,isDowncast:n}){if(this._helpers.has(e))throw new fn.a("conversion-group-exists",this);const o=n?new Qs(t):new aa(t);this._helpers.set(e,o)}}function*Da(e){if(e.model.values)for(const t of e.model.values){const n={key:e.model.key,value:t},o=e.view[t],i=e.upcastAlso?e.upcastAlso[t]:void 0;yield*za(n,o,i)}else yield*za(e.model,e.view,e.upcastAlso)}function*za(e,t,n){if(yield{model:e,view:t},n)for(const t of En(n))yield{model:e,view:t}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Fa{constructor(e="default"){this.operations=[],this.type=e}get baseVersion(){for(const e of this.operations)if(null!==e.baseVersion)return e.baseVersion;return null}addOperation(e){return e.batch=this,this.operations.push(e),e}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ba{constructor(e){this.baseVersion=e,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const e=Object.assign({},this);return e.__className=this.constructor.className,delete e.batch,delete e.isDocumentOperation,e}static get className(){return"Operation"}static fromJSON(e){return new this(e.baseVersion)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class La{constructor(e){this.markers=new Map,this._children=new ys,e&&this._insertChild(0,e)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(e){return"documentFragment"===e||"model:documentFragment"===e}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}getPath(){return[]}getNodeByPath(e){let t=this;for(const n of e)t=t.getChild(t.offsetToIndex(n));return t}offsetToIndex(e){return this._children.offsetToIndex(e)}toJSON(){const e=[];for(const t of this._children)e.push(t.toJSON());return e}static fromJSON(e){const t=[];for(const n of e)n.name?t.push(xs.fromJSON(n)):t.push(_s.fromJSON(n));return new La(t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const n=function(e){if("string"==typeof e)return[new _s(e)];xn(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new _s(e):e instanceof vs?new _s(e.data,e.getAttributes()):e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(t);for(const e of n)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,n)}_removeChildren(e,t=1){const n=this._children._removeNodes(e,t);for(const e of n)e.parent=null;return n}}function qa(e,t){const n=(t=Wa(t)).reduce((e,t)=>e+t.offsetSize,0),o=e.parent;Ua(e);const i=e.index;return o._insertChild(i,t),$a(o,i+t.length),$a(o,i),new Rs(e,e.getShiftedBy(n))}function ja(e){if(!e.isFlat)throw new fn.a("operation-utils-remove-range-not-flat",this);const t=e.start.parent;Ua(e.start),Ua(e.end);const n=t._removeChildren(e.start.index,e.end.index-e.start.index);return $a(t,e.start.index),n}function Ha(e,t){if(!e.isFlat)throw new fn.a("operation-utils-move-range-not-flat",this);const n=ja(e);return qa(t=t._getTransformedByDeletion(e.start,e.end.offset-e.start.offset),n)}function Wa(e){const t=[];e instanceof Array||(e=[e]);for(let n=0;n<e.length;n++)if("string"==typeof e[n])t.push(new _s(e[n]));else if(e[n]instanceof vs)t.push(new _s(e[n].data,e[n].getAttributes()));else if(e[n]instanceof La||e[n]instanceof ys)for(const o of e[n])t.push(o);else e[n]instanceof ks&&t.push(e[n]);for(let e=1;e<t.length;e++){const n=t[e],o=t[e-1];n instanceof _s&&o instanceof _s&&Ga(n,o)&&(t.splice(e-1,2,new _s(o.data+n.data,o.getAttributes())),e--)}return t}function $a(e,t){const n=e.getChild(t-1),o=e.getChild(t);if(n&&o&&n.is("$text")&&o.is("$text")&&Ga(n,o)){const i=new _s(n.data+o.data,n.getAttributes());e._removeChildren(t-1,2),e._insertChild(t-1,i)}}function Ua(e){const t=e.textNode,n=e.parent;if(t){const o=e.offset-t.startOffset,i=t.index;n._removeChildren(i,1);const r=new _s(t.data.substr(0,o),t.getAttributes()),s=new _s(t.data.substr(o),t.getAttributes());n._insertChild(i,[r,s])}}function Ga(e,t){const n=e.getAttributes(),o=t.getAttributes();for(const e of n){if(e[1]!==t.getAttribute(e[0]))return!1;o.next()}return o.next().done}var Ka=function(e,t){return Nr(e,t)};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ja extends Ba{constructor(e,t,n,o,i){super(i),this.range=e.clone(),this.key=t,this.oldValue=void 0===n?null:n,this.newValue=void 0===o?null:o}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new Ja(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Ja(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const e=super.toJSON();return e.range=this.range.toJSON(),e}_validate(){if(!this.range.isFlat)throw new fn.a("attribute-operation-range-not-flat",this);for(const e of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Ka(e.getAttribute(this.key),this.oldValue))throw new fn.a("attribute-operation-wrong-old-value",this,{item:e,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&e.hasAttribute(this.key))throw new fn.a("attribute-operation-attribute-exists",this,{node:e,key:this.key})}}_execute(){Ka(this.oldValue,this.newValue)||function(e,t,n){Ua(e.start),Ua(e.end);for(const o of e.getItems({shallow:!0})){const e=o.is("$textProxy")?o.textNode:o;null!==n?e._setAttribute(t,n):e._removeAttribute(t),$a(e.parent,e.index)}$a(e.end.parent,e.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(e,t){return new Ja(Rs.fromJSON(e.range,t),e.key,e.oldValue,e.newValue,e.baseVersion)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Za extends Ba{constructor(e,t){super(null),this.sourcePosition=e.clone(),this.howMany=t}get type(){return"detach"}toJSON(){const e=super.toJSON();return e.sourcePosition=this.sourcePosition.toJSON(),e}_validate(){if(this.sourcePosition.root.document)throw new fn.a("detach-operation-on-document-node",this)}_execute(){ja(Rs._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Qa extends Ba{constructor(e,t,n,o){super(o),this.sourcePosition=e.clone(),this.sourcePosition.stickiness="toNext",this.howMany=t,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const e=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,e,this.baseVersion+1)}_validate(){const e=this.sourcePosition.parent,t=this.targetPosition.parent,n=this.sourcePosition.offset,o=this.targetPosition.offset;if(n+this.howMany>e.maxOffset)throw new fn.a("move-operation-nodes-do-not-exist",this);if(e===t&&n<o&&o<n+this.howMany)throw new fn.a("move-operation-range-into-itself",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==Mn(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const e=this.sourcePosition.path.length-1;if(this.targetPosition.path[e]>=n&&this.targetPosition.path[e]<n+this.howMany)throw new fn.a("move-operation-node-into-itself",this)}}_execute(){Ha(Rs._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const e=super.toJSON();return e.sourcePosition=this.sourcePosition.toJSON(),e.targetPosition=this.targetPosition.toJSON(),e}static get className(){return"MoveOperation"}static fromJSON(e,t){const n=Ts.fromJSON(e.sourcePosition,t),o=Ts.fromJSON(e.targetPosition,t);return new this(n,e.howMany,o,e.baseVersion)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ya extends Ba{constructor(e,t,n){super(n),this.position=e.clone(),this.position.stickiness="toNone",this.nodes=new ys(Wa(t)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const e=new ys([...this.nodes].map(e=>e._clone(!0))),t=new Ya(this.position,e,this.baseVersion);return t.shouldReceiveAttributes=this.shouldReceiveAttributes,t}getReversed(){const e=this.position.root.document.graveyard,t=new Ts(e,[0]);return new Qa(this.position,this.nodes.maxOffset,t,this.baseVersion+1)}_validate(){const e=this.position.parent;if(!e||e.maxOffset<this.position.offset)throw new fn.a("insert-operation-position-invalid",this)}_execute(){const e=this.nodes;this.nodes=new ys([...e].map(e=>e._clone(!0))),qa(this.position,e)}toJSON(){const e=super.toJSON();return e.position=this.position.toJSON(),e.nodes=this.nodes.toJSON(),e}static get className(){return"InsertOperation"}static fromJSON(e,t){const n=[];for(const t of e.nodes)t.name?n.push(xs.fromJSON(t)):n.push(_s.fromJSON(t));const o=new Ya(Ts.fromJSON(e.position,t),n,e.baseVersion);return o.shouldReceiveAttributes=e.shouldReceiveAttributes,o}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Xa extends Ba{constructor(e,t,n,o,i,r){super(r),this.name=e,this.oldRange=t?t.clone():null,this.newRange=n?n.clone():null,this.affectsData=i,this._markers=o}get type(){return"marker"}clone(){return new Xa(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Xa(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const e=this.newRange?"_set":"_remove";this._markers[e](this.name,this.newRange,!0,this.affectsData)}toJSON(){const e=super.toJSON();return this.oldRange&&(e.oldRange=this.oldRange.toJSON()),this.newRange&&(e.newRange=this.newRange.toJSON()),delete e._markers,e}static get className(){return"MarkerOperation"}static fromJSON(e,t){return new Xa(e.name,e.oldRange?Rs.fromJSON(e.oldRange,t):null,e.newRange?Rs.fromJSON(e.newRange,t):null,t.model.markers,e.affectsData,e.baseVersion)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class el extends Ba{constructor(e,t,n,o){super(o),this.position=e,this.position.stickiness="toNext",this.oldName=t,this.newName=n}get type(){return"rename"}clone(){return new el(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new el(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const e=this.position.nodeAfter;if(!(e instanceof xs))throw new fn.a("rename-operation-wrong-position",this);if(e.name!==this.oldName)throw new fn.a("rename-operation-wrong-name",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const e=super.toJSON();return e.position=this.position.toJSON(),e}static get className(){return"RenameOperation"}static fromJSON(e,t){return new el(Ts.fromJSON(e.position,t),e.oldName,e.newName,e.baseVersion)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class tl extends Ba{constructor(e,t,n,o,i){super(i),this.root=e,this.key=t,this.oldValue=n,this.newValue=o}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new tl(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new tl(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new fn.a("rootattribute-operation-not-a-root",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new fn.a("rootattribute-operation-wrong-old-value",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new fn.a("rootattribute-operation-attribute-exists",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const e=super.toJSON();return e.root=this.root.toJSON(),e}static get className(){return"RootAttributeOperation"}static fromJSON(e,t){if(!t.getRoot(e.root))throw new fn.a("rootattribute-operation-fromjson-no-root",this,{rootName:e.root});return new tl(t.getRoot(e.root),e.key,e.oldValue,e.newValue,e.baseVersion)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class nl extends Ba{constructor(e,t,n,o,i){super(i),this.sourcePosition=e.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=t,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=o.clone()}get type(){return"merge"}get deletionPosition(){return new Ts(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const e=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Rs(this.sourcePosition,e)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const e=this.targetPosition._getTransformedByMergeOperation(this),t=this.sourcePosition.path.slice(0,-1),n=new Ts(this.sourcePosition.root,t)._getTransformedByMergeOperation(this),o=new ol(e,this.howMany,this.graveyardPosition,this.baseVersion+1);return o.insertionPosition=n,o}_validate(){const e=this.sourcePosition.parent,t=this.targetPosition.parent;if(!e.parent)throw new fn.a("merge-operation-source-position-invalid",this);if(!t.parent)throw new fn.a("merge-operation-target-position-invalid",this);if(this.howMany!=e.maxOffset)throw new fn.a("merge-operation-how-many-invalid",this)}_execute(){const e=this.sourcePosition.parent;Ha(Rs._createIn(e),this.targetPosition),Ha(Rs._createOn(e),this.graveyardPosition)}toJSON(){const e=super.toJSON();return e.sourcePosition=e.sourcePosition.toJSON(),e.targetPosition=e.targetPosition.toJSON(),e.graveyardPosition=e.graveyardPosition.toJSON(),e}static get className(){return"MergeOperation"}static fromJSON(e,t){const n=Ts.fromJSON(e.sourcePosition,t),o=Ts.fromJSON(e.targetPosition,t),i=Ts.fromJSON(e.graveyardPosition,t);return new this(n,e.howMany,o,i,e.baseVersion)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ol extends Ba{constructor(e,t,n,o){super(o),this.splitPosition=e.clone(),this.splitPosition.stickiness="toNext",this.howMany=t,this.insertionPosition=ol.getInsertionPosition(e),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const e=this.insertionPosition.path.slice();return e.push(0),new Ts(this.insertionPosition.root,e)}get movedRange(){const e=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Rs(this.splitPosition,e)}clone(){const e=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return e.insertionPosition=this.insertionPosition,e}getReversed(){const e=this.splitPosition.root.document.graveyard,t=new Ts(e,[0]);return new nl(this.moveTargetPosition,this.howMany,this.splitPosition,t,this.baseVersion+1)}_validate(){const e=this.splitPosition.parent,t=this.splitPosition.offset;if(!e||e.maxOffset<t)throw new fn.a("split-operation-position-invalid",this);if(!e.parent)throw new fn.a("split-operation-split-in-root",this);if(this.howMany!=e.maxOffset-this.splitPosition.offset)throw new fn.a("split-operation-how-many-invalid",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new fn.a("split-operation-graveyard-position-invalid",this)}_execute(){const e=this.splitPosition.parent;if(this.graveyardPosition)Ha(Rs._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const t=e._clone();qa(this.insertionPosition,t)}Ha(new Rs(Ts._createAt(e,this.splitPosition.offset),Ts._createAt(e,e.maxOffset)),this.moveTargetPosition)}toJSON(){const e=super.toJSON();return e.splitPosition=this.splitPosition.toJSON(),e.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(e.graveyardPosition=this.graveyardPosition.toJSON()),e}static get className(){return"SplitOperation"}static getInsertionPosition(e){const t=e.path.slice(0,-1);return t[t.length-1]++,new Ts(e.root,t)}static fromJSON(e,t){const n=Ts.fromJSON(e.splitPosition,t),o=Ts.fromJSON(e.insertionPosition,t),i=e.graveyardPosition?Ts.fromJSON(e.graveyardPosition,t):null,r=new this(n,e.howMany,i,e.baseVersion);return r.insertionPosition=o,r}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class il extends xs{constructor(e,t,n="main"){super(t),this._document=e,this.rootName=n}get document(){return this._document}is(e,t){return t?t===this.name&&("rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e):"rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e||"node"===e||"model:node"===e}toJSON(){return this.rootName}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class rl{constructor(e,t){this.model=e,this.batch=t}createText(e,t){return new _s(e,t)}createElement(e,t){return new xs(e,t)}createDocumentFragment(){return new La}cloneElement(e,t=!0){return e._clone(t)}insert(e,t,n=0){if(this._assertWriterUsedCorrectly(),e instanceof _s&&""==e.data)return;const o=Ts._createAt(t,n);if(e.parent){if(dl(e.root,o.root))return void this.move(Rs._createOn(e),o);if(e.root.document)throw new fn.a("model-writer-insert-forbidden-move",this);this.remove(e)}const i=o.root.document?o.root.document.version:null,r=new Ya(o,e,i);if(e instanceof _s&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),e instanceof La)for(const[t,n]of e.markers){const e=Ts._createAt(n.root,0),i={range:new Rs(n.start._getCombined(e,o),n.end._getCombined(e,o)),usingOperation:!0,affectsData:!0};this.model.markers.has(t)?this.updateMarker(t,i):this.addMarker(t,i)}}insertText(e,t,n,o){t instanceof La||t instanceof xs||t instanceof Ts?this.insert(this.createText(e),t,n):this.insert(this.createText(e,t),n,o)}insertElement(e,t,n,o){t instanceof La||t instanceof xs||t instanceof Ts?this.insert(this.createElement(e),t,n):this.insert(this.createElement(e,t),n,o)}append(e,t){this.insert(e,t,"end")}appendText(e,t,n){t instanceof La||t instanceof xs?this.insert(this.createText(e),t,"end"):this.insert(this.createText(e,t),n,"end")}appendElement(e,t,n){t instanceof La||t instanceof xs?this.insert(this.createElement(e),t,"end"):this.insert(this.createElement(e,t),n,"end")}setAttribute(e,t,n){if(this._assertWriterUsedCorrectly(),n instanceof Rs){const o=n.getMinimalFlatRanges();for(const n of o)sl(this,e,t,n)}else al(this,e,t,n)}setAttributes(e,t){for(const[n,o]of Fn(e))this.setAttribute(n,o,t)}removeAttribute(e,t){if(this._assertWriterUsedCorrectly(),t instanceof Rs){const n=t.getMinimalFlatRanges();for(const t of n)sl(this,e,null,t)}else al(this,e,null,t)}clearAttributes(e){this._assertWriterUsedCorrectly();const t=e=>{for(const t of e.getAttributeKeys())this.removeAttribute(t,e)};if(e instanceof Rs)for(const n of e.getItems())t(n);else t(e)}move(e,t,n){if(this._assertWriterUsedCorrectly(),!(e instanceof Rs))throw new fn.a("writer-move-invalid-range",this);if(!e.isFlat)throw new fn.a("writer-move-range-not-flat",this);const o=Ts._createAt(t,n);if(o.isEqual(e.start))return;if(this._addOperationForAffectedMarkers("move",e),!dl(e.root,o.root))throw new fn.a("writer-move-different-document",this);const i=e.root.document?e.root.document.version:null,r=new Qa(e.start,e.end.offset-e.start.offset,o,i);this.batch.addOperation(r),this.model.applyOperation(r)}remove(e){this._assertWriterUsedCorrectly();const t=(e instanceof Rs?e:Rs._createOn(e)).getMinimalFlatRanges().reverse();for(const e of t)this._addOperationForAffectedMarkers("move",e),cl(e.start,e.end.offset-e.start.offset,this.batch,this.model)}merge(e){this._assertWriterUsedCorrectly();const t=e.nodeBefore,n=e.nodeAfter;if(this._addOperationForAffectedMarkers("merge",e),!(t instanceof xs))throw new fn.a("writer-merge-no-element-before",this);if(!(n instanceof xs))throw new fn.a("writer-merge-no-element-after",this);e.root.document?this._merge(e):this._mergeDetached(e)}createPositionFromPath(e,t,n){return this.model.createPositionFromPath(e,t,n)}createPositionAt(e,t){return this.model.createPositionAt(e,t)}createPositionAfter(e){return this.model.createPositionAfter(e)}createPositionBefore(e){return this.model.createPositionBefore(e)}createRange(e,t){return this.model.createRange(e,t)}createRangeIn(e){return this.model.createRangeIn(e)}createRangeOn(e){return this.model.createRangeOn(e)}createSelection(e,t,n){return this.model.createSelection(e,t,n)}_mergeDetached(e){const t=e.nodeBefore,n=e.nodeAfter;this.move(Rs._createIn(n),Ts._createAt(t,"end")),this.remove(n)}_merge(e){const t=Ts._createAt(e.nodeBefore,"end"),n=Ts._createAt(e.nodeAfter,0),o=e.root.document.graveyard,i=new Ts(o,[0]),r=e.root.document.version,s=new nl(n,e.nodeAfter.maxOffset,t,i,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(e,t){if(this._assertWriterUsedCorrectly(),!(e instanceof xs))throw new fn.a("writer-rename-not-element-instance",this);const n=e.root.document?e.root.document.version:null,o=new el(Ts._createBefore(e),e.name,t,n);this.batch.addOperation(o),this.model.applyOperation(o)}split(e,t){this._assertWriterUsedCorrectly();let n,o,i=e.parent;if(!i.parent)throw new fn.a("writer-split-element-no-parent",this);if(t||(t=i.parent),!e.parent.getAncestors({includeSelf:!0}).includes(t))throw new fn.a("writer-split-invalid-limit-element",this);do{const t=i.root.document?i.root.document.version:null,r=i.maxOffset-e.offset,s=new ol(e,r,null,t);this.batch.addOperation(s),this.model.applyOperation(s),n||o||(n=i,o=e.parent.nextSibling),i=(e=this.createPositionAfter(e.parent)).parent}while(i!==t);return{position:e,range:new Rs(Ts._createAt(n,"end"),Ts._createAt(o,0))}}wrap(e,t){if(this._assertWriterUsedCorrectly(),!e.isFlat)throw new fn.a("writer-wrap-range-not-flat",this);const n=t instanceof xs?t:new xs(t);if(n.childCount>0)throw new fn.a("writer-wrap-element-not-empty",this);if(null!==n.parent)throw new fn.a("writer-wrap-element-attached",this);this.insert(n,e.start);const o=new Rs(e.start.getShiftedBy(1),e.end.getShiftedBy(1));this.move(o,Ts._createAt(n,0))}unwrap(e){if(this._assertWriterUsedCorrectly(),null===e.parent)throw new fn.a("writer-unwrap-element-no-parent",this);this.move(Rs._createIn(e),this.createPositionAfter(e)),this.remove(e)}addMarker(e,t){if(this._assertWriterUsedCorrectly(),!t||"boolean"!=typeof t.usingOperation)throw new fn.a("writer-addmarker-no-usingoperation",this);const n=t.usingOperation,o=t.range,i=void 0!==t.affectsData&&t.affectsData;if(this.model.markers.has(e))throw new fn.a("writer-addmarker-marker-exists",this);if(!o)throw new fn.a("writer-addmarker-no-range",this);return n?(ll(this,e,null,o,i),this.model.markers.get(e)):this.model.markers._set(e,o,n,i)}updateMarker(e,t){this._assertWriterUsedCorrectly();const n="string"==typeof e?e:e.name,o=this.model.markers.get(n);if(!o)throw new fn.a("writer-updatemarker-marker-not-exists",this);if(!t)return void this.model.markers._refresh(o);const i="boolean"==typeof t.usingOperation,r="boolean"==typeof t.affectsData,s=r?t.affectsData:o.affectsData;if(!i&&!t.range&&!r)throw new fn.a("writer-updatemarker-wrong-options",this);const a=o.getRange(),l=t.range?t.range:a;i&&t.usingOperation!==o.managedUsingOperations?t.usingOperation?ll(this,n,null,l,s):(ll(this,n,a,null,s),this.model.markers._set(n,l,void 0,s)):o.managedUsingOperations?ll(this,n,a,l,s):this.model.markers._set(n,l,void 0,s)}removeMarker(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?e:e.name;if(!this.model.markers.has(t))throw new fn.a("writer-removemarker-no-marker",this);const n=this.model.markers.get(t);if(!n.managedUsingOperations)return void this.model.markers._remove(t);ll(this,t,n.getRange(),null,n.affectsData)}setSelection(e,t,n){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(e,t,n)}setSelectionFocus(e,t){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(e,t)}setSelectionAttribute(e,t){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._setSelectionAttribute(e,t);else for(const[t,n]of Fn(e))this._setSelectionAttribute(t,n)}removeSelectionAttribute(e){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._removeSelectionAttribute(e);else for(const t of e)this._removeSelectionAttribute(t)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(e){this.model.document.selection._restoreGravity(e)}_setSelectionAttribute(e,t){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const o=Us._getStoreAttributeKey(e);this.setAttribute(o,t,n.anchor.parent)}n._setAttribute(e,t)}_removeSelectionAttribute(e){const t=this.model.document.selection;if(t.isCollapsed&&t.anchor.parent.isEmpty){const n=Us._getStoreAttributeKey(e);this.removeAttribute(n,t.anchor.parent)}t._removeAttribute(e)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new fn.a("writer-incorrect-use",this)}_addOperationForAffectedMarkers(e,t){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const o=n.getRange();let i=!1;if("move"===e)i=t.containsPosition(o.start)||t.start.isEqual(o.start)||t.containsPosition(o.end)||t.end.isEqual(o.end);else{const e=t.nodeBefore,n=t.nodeAfter,r=o.start.parent==e&&o.start.isAtEnd,s=o.end.parent==n&&0==o.end.offset,a=o.end.nodeAfter==n,l=o.start.nodeAfter==n;i=r||s||a||l}i&&this.updateMarker(n.name,{range:o})}}}function sl(e,t,n,o){const i=e.model,r=i.document;let s,a,l,c=o.start;for(const e of o.getWalker({shallow:!0}))l=e.item.getAttribute(t),s&&a!=l&&(a!=n&&d(),c=s),s=e.nextPosition,a=l;function d(){const o=new Rs(c,s),l=o.root.document?r.version:null,d=new Ja(o,t,a,n,l);e.batch.addOperation(d),i.applyOperation(d)}s instanceof Ts&&s!=c&&a!=n&&d()}function al(e,t,n,o){const i=e.model,r=i.document,s=o.getAttribute(t);let a,l;if(s!=n){if(o.root===o){const e=o.document?r.version:null;l=new tl(o,t,s,n,e)}else{a=new Rs(Ts._createBefore(o),e.createPositionAfter(o));const i=a.root.document?r.version:null;l=new Ja(a,t,s,n,i)}e.batch.addOperation(l),i.applyOperation(l)}}function ll(e,t,n,o,i){const r=e.model,s=r.document,a=new Xa(t,n,o,r.markers,i,s.version);e.batch.addOperation(a),r.applyOperation(a)}function cl(e,t,n,o){let i;if(e.root.document){const n=o.document,r=new Ts(n.graveyard,[0]);i=new Qa(e,t,r,n.version)}else i=new Za(e,t);n.addOperation(i),o.applyOperation(i)}function dl(e,t){return e===t||e instanceof il&&t instanceof il}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ul{constructor(e){this._markerCollection=e,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}refreshItem(e){if(this._isInInsertedElement(e.parent))return;this._markRemove(e.parent,e.startOffset,e.offsetSize),this._markInsert(e.parent,e.startOffset,e.offsetSize);const t=Rs._createOn(e);for(const e of this._markerCollection.getMarkersIntersectingRange(t)){const t=e.getRange();this.bufferMarkerChange(e.name,t,t,e.affectsData)}this._cachedChanges=null}bufferOperation(e){switch(e.type){case"insert":if(this._isInInsertedElement(e.position.parent))return;this._markInsert(e.position.parent,e.position.offset,e.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const t of e.range.getItems({shallow:!0}))this._isInInsertedElement(t.parent)||this._markAttribute(t);break;case"remove":case"move":case"reinsert":{if(e.sourcePosition.isEqual(e.targetPosition)||e.sourcePosition.getShiftedBy(e.howMany).isEqual(e.targetPosition))return;const t=this._isInInsertedElement(e.sourcePosition.parent),n=this._isInInsertedElement(e.targetPosition.parent);t||this._markRemove(e.sourcePosition.parent,e.sourcePosition.offset,e.howMany),n||this._markInsert(e.targetPosition.parent,e.getMovedRangeStart().offset,e.howMany);break}case"rename":{if(this._isInInsertedElement(e.position.parent))return;this._markRemove(e.position.parent,e.position.offset,1),this._markInsert(e.position.parent,e.position.offset,1);const t=Rs._createFromPositionAndShift(e.position,1);for(const e of this._markerCollection.getMarkersIntersectingRange(t)){const t=e.getRange();this.bufferMarkerChange(e.name,t,t,e.affectsData)}break}case"split":{const t=e.splitPosition.parent;this._isInInsertedElement(t)||this._markRemove(t,e.splitPosition.offset,e.howMany),this._isInInsertedElement(e.insertionPosition.parent)||this._markInsert(e.insertionPosition.parent,e.insertionPosition.offset,1),e.graveyardPosition&&this._markRemove(e.graveyardPosition.parent,e.graveyardPosition.offset,1);break}case"merge":{const t=e.sourcePosition.parent;this._isInInsertedElement(t.parent)||this._markRemove(t.parent,t.startOffset,1);const n=e.graveyardPosition.parent;this._markInsert(n,e.graveyardPosition.offset,1);const o=e.targetPosition.parent;this._isInInsertedElement(o)||this._markInsert(o,e.targetPosition.offset,t.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(e,t,n,o){const i=this._changedMarkers.get(e);i?(i.newRange=n,i.affectsData=o,null==i.oldRange&&null==i.newRange&&this._changedMarkers.delete(e)):this._changedMarkers.set(e,{oldRange:t,newRange:n,affectsData:o})}getMarkersToRemove(){const e=[];for(const[t,n]of this._changedMarkers)null!=n.oldRange&&e.push({name:t,range:n.oldRange});return e}getMarkersToAdd(){const e=[];for(const[t,n]of this._changedMarkers)null!=n.newRange&&e.push({name:t,range:n.newRange});return e}getChangedMarkers(){return Array.from(this._changedMarkers).map(e=>({name:e[0],data:{oldRange:e[1].oldRange,newRange:e[1].newRange}}))}hasDataChanges(){for(const[,e]of this._changedMarkers)if(e.affectsData)return!0;return this._changesInElement.size>0}getChanges(e={includeChangesInGraveyard:!1}){if(this._cachedChanges)return e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();let t=[];for(const e of this._changesInElement.keys()){const n=this._changesInElement.get(e).sort((e,t)=>e.offset===t.offset?e.type!=t.type?"remove"==e.type?-1:1:0:e.offset<t.offset?-1:1),o=this._elementSnapshots.get(e),i=hl(e.getChildren()),r=fl(o.length,n);let s=0,a=0;for(const n of r)if("i"===n)t.push(this._getInsertDiff(e,s,i[s].name)),s++;else if("r"===n)t.push(this._getRemoveDiff(e,s,o[a].name)),a++;else if("a"===n){const n=i[s].attributes,r=o[a].attributes;let l;if("$text"==i[s].name)l=new Rs(Ts._createAt(e,s),Ts._createAt(e,s+1));else{const t=e.offsetToIndex(s);l=new Rs(Ts._createAt(e,s),Ts._createAt(e.getChild(t),0))}t.push(...this._getAttributesDiff(l,r,n)),s++,a++}else s++,a++}t.sort((e,t)=>e.position.root!=t.position.root?e.position.root.rootName<t.position.root.rootName?-1:1:e.position.isEqual(t.position)?e.changeCount-t.changeCount:e.position.isBefore(t.position)?-1:1);for(let e=1,n=0;e<t.length;e++){const o=t[n],i=t[e],r="remove"==o.type&&"remove"==i.type&&"$text"==o.name&&"$text"==i.name&&o.position.isEqual(i.position),s="insert"==o.type&&"insert"==i.type&&"$text"==o.name&&"$text"==i.name&&o.position.parent==i.position.parent&&o.position.offset+o.length==i.position.offset,a="attribute"==o.type&&"attribute"==i.type&&o.position.parent==i.position.parent&&o.range.isFlat&&i.range.isFlat&&o.position.offset+o.length==i.position.offset&&o.attributeKey==i.attributeKey&&o.attributeOldValue==i.attributeOldValue&&o.attributeNewValue==i.attributeNewValue;r||s||a?(o.length++,a&&(o.range.end=o.range.end.getShiftedBy(1)),t[e]=null):n=e}t=t.filter(e=>e);for(const e of t)delete e.changeCount,"attribute"==e.type&&(delete e.position,delete e.length);return this._changeCount=0,this._cachedChangesWithGraveyard=t.slice(),this._cachedChanges=t.filter(pl),e.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(e,t,n){const o={type:"insert",offset:t,howMany:n,count:this._changeCount++};this._markChange(e,o)}_markRemove(e,t,n){const o={type:"remove",offset:t,howMany:n,count:this._changeCount++};this._markChange(e,o),this._removeAllNestedChanges(e,t,n)}_markAttribute(e){const t={type:"attribute",offset:e.startOffset,howMany:e.offsetSize,count:this._changeCount++};this._markChange(e.parent,t)}_markChange(e,t){this._makeSnapshot(e);const n=this._getChangesForElement(e);this._handleChange(t,n),n.push(t);for(let e=0;e<n.length;e++)n[e].howMany<1&&(n.splice(e,1),e--)}_getChangesForElement(e){let t;return this._changesInElement.has(e)?t=this._changesInElement.get(e):(t=[],this._changesInElement.set(e,t)),t}_makeSnapshot(e){this._elementSnapshots.has(e)||this._elementSnapshots.set(e,hl(e.getChildren()))}_handleChange(e,t){e.nodesToHandle=e.howMany;for(const n of t){const o=e.offset+e.howMany,i=n.offset+n.howMany;if("insert"==e.type&&("insert"==n.type&&(e.offset<=n.offset?n.offset+=e.howMany:e.offset<i&&(n.howMany+=e.nodesToHandle,e.nodesToHandle=0)),"remove"==n.type&&e.offset<n.offset&&(n.offset+=e.howMany),"attribute"==n.type))if(e.offset<=n.offset)n.offset+=e.howMany;else if(e.offset<i){const i=n.howMany;n.howMany=e.offset-n.offset,t.unshift({type:"attribute",offset:o,howMany:i-n.howMany,count:this._changeCount++})}if("remove"==e.type){if("insert"==n.type)if(o<=n.offset)n.offset-=e.howMany;else if(o<=i)if(e.offset<n.offset){const t=o-n.offset;n.offset=e.offset,n.howMany-=t,e.nodesToHandle-=t}else n.howMany-=e.nodesToHandle,e.nodesToHandle=0;else if(e.offset<=n.offset)e.nodesToHandle-=n.howMany,n.howMany=0;else if(e.offset<i){const t=i-e.offset;n.howMany-=t,e.nodesToHandle-=t}if("remove"==n.type&&(o<=n.offset?n.offset-=e.howMany:e.offset<n.offset&&(e.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(o<=n.offset)n.offset-=e.howMany;else if(e.offset<n.offset){const t=o-n.offset;n.offset=e.offset,n.howMany-=t}else if(e.offset<i)if(o<=i){const o=n.howMany;n.howMany=e.offset-n.offset;const i=o-n.howMany-e.nodesToHandle;t.unshift({type:"attribute",offset:e.offset,howMany:i,count:this._changeCount++})}else n.howMany-=i-e.offset}if("attribute"==e.type){if("insert"==n.type)if(e.offset<n.offset&&o>n.offset){if(o>i){const e={type:"attribute",offset:i,howMany:o-i,count:this._changeCount++};this._handleChange(e,t),t.push(e)}e.nodesToHandle=n.offset-e.offset,e.howMany=e.nodesToHandle}else e.offset>=n.offset&&e.offset<i&&(o>i?(e.nodesToHandle=o-i,e.offset=i):e.nodesToHandle=0);if("remove"==n.type&&e.offset<n.offset&&o>n.offset){const i={type:"attribute",offset:n.offset,howMany:o-n.offset,count:this._changeCount++};this._handleChange(i,t),t.push(i),e.nodesToHandle=n.offset-e.offset,e.howMany=e.nodesToHandle}"attribute"==n.type&&(e.offset>=n.offset&&o<=i?(e.nodesToHandle=0,e.howMany=0,e.offset=0):e.offset<=n.offset&&o>=i&&(n.howMany=0))}}e.howMany=e.nodesToHandle,delete e.nodesToHandle}_getInsertDiff(e,t,n){return{type:"insert",position:Ts._createAt(e,t),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(e,t,n){return{type:"remove",position:Ts._createAt(e,t),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(e,t,n){const o=[];n=new Map(n);for(const[i,r]of t){const t=n.has(i)?n.get(i):null;t!==r&&o.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:i,attributeOldValue:r,attributeNewValue:t,changeCount:this._changeCount++}),n.delete(i)}for(const[t,i]of n)o.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:t,attributeOldValue:null,attributeNewValue:i,changeCount:this._changeCount++});return o}_isInInsertedElement(e){const t=e.parent;if(!t)return!1;const n=this._changesInElement.get(t),o=e.startOffset;if(n)for(const e of n)if("insert"==e.type&&o>=e.offset&&o<e.offset+e.howMany)return!0;return this._isInInsertedElement(t)}_removeAllNestedChanges(e,t,n){const o=new Rs(Ts._createAt(e,t),Ts._createAt(e,t+n));for(const e of o.getItems({shallow:!0}))e.is("element")&&(this._elementSnapshots.delete(e),this._changesInElement.delete(e),this._removeAllNestedChanges(e,0,e.maxOffset))}}function hl(e){const t=[];for(const n of e)if(n.is("$text"))for(let e=0;e<n.data.length;e++)t.push({name:"$text",attributes:new Map(n.getAttributes())});else t.push({name:n.name,attributes:new Map(n.getAttributes())});return t}function fl(e,t){const n=[];let o=0,i=0;for(const e of t){if(e.offset>o){for(let t=0;t<e.offset-o;t++)n.push("e");i+=e.offset-o}if("insert"==e.type){for(let t=0;t<e.howMany;t++)n.push("i");o=e.offset+e.howMany}else if("remove"==e.type){for(let t=0;t<e.howMany;t++)n.push("r");o=e.offset,i+=e.howMany}else n.push(..."a".repeat(e.howMany).split("")),o=e.offset+e.howMany,i+=e.howMany}if(i<e)for(let t=0;t<e-i-o;t++)n.push("e");return n}function pl(e){const t=e.position&&"$graveyard"==e.position.root.rootName,n=e.range&&"$graveyard"==e.range.root.rootName;return!t&&!n}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ml{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(e){this._operations.includes(e)||this._operations.push(e)}getOperations(e=Number.NEGATIVE_INFINITY,t=Number.POSITIVE_INFINITY){const n=[];for(const o of this._operations)o.baseVersion>=e&&o.baseVersion<t&&n.push(o);return n}getOperation(e){for(const t of this._operations)if(t.baseVersion==e)return t}setOperationAsUndone(e,t){this._undoPairs.set(t,e),this._undoneOperations.add(e)}isUndoingOperation(e){return this._undoPairs.has(e)}isUndoneOperation(e){return this._undoneOperations.has(e)}getUndoneOperation(e){return this._undoPairs.get(e)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function gl(e,t){return!!(n=e.charAt(t-1))&&1==n.length&&/[\ud800-\udbff]/.test(n)&&function(e){return!!e&&1==e.length&&/[\udc00-\udfff]/.test(e)}(e.charAt(t));var n}function bl(e,t){return!!(n=e.charAt(t))&&1==n.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(n);var n}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class wl{constructor(e){this.model=e,this.version=0,this.history=new ml(this),this.selection=new Us(this),this.roots=new An({idProperty:"rootName"}),this.differ=new ul(e.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root","$graveyard"),this.listenTo(e,"applyOperation",(e,t)=>{const n=t[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new fn.a("model-document-applyoperation-wrong-version",this,{operation:n})},{priority:"highest"}),this.listenTo(e,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(e,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(e.markers,"update",(e,t,n,o)=>{this.differ.bufferMarkerChange(t.name,n,o,t.affectsData),null===n&&t.on("change",(e,n)=>{this.differ.bufferMarkerChange(t.name,n,t.getRange(),t.affectsData)})})}get graveyard(){return this.getRoot("$graveyard")}createRoot(e="$root",t="main"){if(this.roots.get(t))throw new fn.a("model-document-createroot-name-exists",this,{name:t});const n=new il(this,e,t);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(e="main"){return this.roots.get(e)}getRootNames(){return Array.from(this.roots,e=>e.rootName).filter(e=>"$graveyard"!=e)}registerPostFixer(e){this._postFixers.add(e)}toJSON(){const e=Vn(this);return e.selection="[engine.model.DocumentSelection]",e.model="[engine.model.Model]",e}_handleChangeBlock(e){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(e),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",e.batch):this.fire("change",e.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const e of this.roots)if(e!==this.graveyard)return e;return this.graveyard}_getDefaultRange(){const e=this._getDefaultRoot(),t=this.model,n=t.schema,o=t.createPositionFromPath(e,[0]);return n.getNearestSelectionRange(o)||t.createRange(o)}_validateSelectionRange(e){return kl(e.start)&&kl(e.end)}_callPostFixers(e){let t=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),t=n(e),t)break}while(t)}}function kl(e){const t=e.textNode;if(t){const n=t.data,o=e.offset-t.startOffset;return!gl(n,o)&&!bl(n,o)}return!0}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */Cn(wl,gn);class _l{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(e){return this._markers.has(e)}get(e){return this._markers.get(e)||null}_set(e,t,n=!1,o=!1){const i=e instanceof vl?e.name:e;if(i.includes(","))throw new fn.a("markercollection-incorrect-marker-name",this);const r=this._markers.get(i);if(r){const e=r.getRange();let s=!1;return e.isEqual(t)||(r._attachLiveRange(Hs.fromRange(t)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof o&&o!=r.affectsData&&(r._affectsData=o,s=!0),s&&this.fire("update:"+i,r,e,t),r}const s=Hs.fromRange(t),a=new vl(i,s,n,o);return this._markers.set(i,a),this.fire("update:"+i,a,null,t),a}_remove(e){const t=e instanceof vl?e.name:e,n=this._markers.get(t);return!!n&&(this._markers.delete(t),this.fire("update:"+t,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(e){const t=e instanceof vl?e.name:e,n=this._markers.get(t);if(!n)throw new fn.a("markercollection-refresh-marker-not-exists",this);const o=n.getRange();this.fire("update:"+t,n,o,o,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(e){for(const t of this)t.getRange().containsPosition(e)&&(yield t)}*getMarkersIntersectingRange(e){for(const t of this)null!==t.getRange().getIntersection(e)&&(yield t)}destroy(){for(const e of this._markers.values())this._destroyMarker(e);this._markers=null,this.stopListening()}*getMarkersGroup(e){for(const t of this._markers.values())t.name.startsWith(e+":")&&(yield t)}_destroyMarker(e){e.stopListening(),e._detachLiveRange()}}Cn(_l,gn);class vl{constructor(e,t,n,o){this.name=e,this._liveRange=this._attachLiveRange(t),this._managedUsingOperations=n,this._affectsData=o}get managedUsingOperations(){if(!this._liveRange)throw new fn.a("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new fn.a("marker-destroyed",this);return this._affectsData}getStart(){if(!this._liveRange)throw new fn.a("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new fn.a("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new fn.a("marker-destroyed",this);return this._liveRange.toRange()}is(e){return"marker"===e||"model:marker"===e}_attachLiveRange(e){return this._liveRange&&this._detachLiveRange(),e.delegate("change:range").to(this),e.delegate("change:content").to(this),this._liveRange=e,e}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}Cn(vl,gn);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class yl extends Ba{get type(){return"noop"}clone(){return new yl(this.baseVersion)}getReversed(){return new yl(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const xl={};xl[Ja.className]=Ja,xl[Ya.className]=Ya,xl[Xa.className]=Xa,xl[Qa.className]=Qa,xl[yl.className]=yl,xl[Ba.className]=Ba,xl[el.className]=el,xl[tl.className]=tl,xl[ol.className]=ol,xl[nl.className]=nl;
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Cl extends Ts{constructor(e,t,n="toNone"){if(super(e,t,n),!this.root.is("rootElement"))throw new fn.a("model-liveposition-root-not-rootelement",e);Al.call(this)}detach(){this.stopListening()}is(e){return"livePosition"===e||"model:livePosition"===e||"position"==e||"model:position"===e}toPosition(){return new Ts(this.root,this.path.slice(),this.stickiness)}static fromPosition(e,t){return new this(e.root,e.path.slice(),t||e.stickiness)}}function Al(){this.listenTo(this.root.document.model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&Tl.call(this,n)},{priority:"low"})}function Tl(e){const t=this.getTransformedByOperation(e);if(!this.isEqual(t)){const e=this.toPosition();this.path=t.path,this.root=t.root,this.fire("change",e)}}Cn(Cl,gn);class El{constructor(e,t,n){this.model=e,this.writer=t,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=e.schema,this._documentFragment=t.createDocumentFragment(),this._documentFragmentPosition=t.createPositionAt(this._documentFragment,0),this._firstNode=null,this._lastNode=null,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(e){for(const t of Array.from(e))this._handleNode(t);this._insertPartialFragment(),this._mergeOnRight(),this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?Rs._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Rs(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(e){if(this.schema.isObject(e))return void this._handleObject(e);this._checkAndSplitToAllowedPosition(e)?(this._appendToFragment(e),this._firstNode||(this._firstNode=e),this._lastNode=e):this._handleDisallowedNode(e)}_insertPartialFragment(){if(this._documentFragment.isEmpty)return;const e=Cl.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this._documentFragment.getChild(0)==this._firstNode&&(this.writer.insert(this._firstNode,this.position),this._mergeOnLeft(),this.position=e.toPosition()),this._documentFragment.isEmpty||this.writer.insert(this._documentFragment,this.position),this._documentFragmentPosition=this.writer.createPositionAt(this._documentFragment,0),this.position=e.toPosition(),e.detach()}_handleObject(e){this._checkAndSplitToAllowedPosition(e)?this._appendToFragment(e):this._tryAutoparagraphing(e)}_handleDisallowedNode(e){e.is("element")?this.handleNodes(e.getChildren()):this._tryAutoparagraphing(e)}_appendToFragment(e){if(!this.schema.checkChild(this.position,e))throw new fn.a("insertcontent-wrong-position",this,{node:e,position:this.position});this.writer.insert(e,this._documentFragmentPosition),this._documentFragmentPosition=this._documentFragmentPosition.getShiftedBy(e.offsetSize),this.schema.isObject(e)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=e:this.nodeToSelect=null,this._filterAttributesOf.push(e)}_setAffectedBoundaries(e){this._affectedStart||(this._affectedStart=Cl.fromPosition(e,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(e)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=Cl.fromPosition(e,"toNext"))}_mergeOnLeft(){const e=this._firstNode;if(!(e instanceof xs))return;if(!this._canMergeLeft(e))return;const t=Cl._createBefore(e);t.stickiness="toNext";const n=Cl.fromPosition(this.position,"toNext");this._affectedStart.isEqual(t)&&(this._affectedStart.detach(),this._affectedStart=Cl._createAt(t.nodeBefore,"end","toPrevious")),this._firstNode===this._lastNode&&(this._firstNode=t.nodeBefore,this._lastNode=t.nodeBefore),this.writer.merge(t),t.isEqual(this._affectedEnd)&&this._firstNode===this._lastNode&&(this._affectedEnd.detach(),this._affectedEnd=Cl._createAt(t.nodeBefore,"end","toNext")),this.position=n.toPosition(),n.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_mergeOnRight(){const e=this._lastNode;if(!(e instanceof xs))return;if(!this._canMergeRight(e))return;const t=Cl._createAfter(e);if(t.stickiness="toNext",!this.position.isEqual(t))throw new fn.a("insertcontent-invalid-insertion-position",this);this.position=Ts._createAt(t.nodeBefore,"end");const n=Cl.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(t)&&(this._affectedEnd.detach(),this._affectedEnd=Cl._createAt(t.nodeBefore,"end","toNext")),this._firstNode===this._lastNode&&(this._firstNode=t.nodeBefore,this._lastNode=t.nodeBefore),this.writer.merge(t),t.getShiftedBy(-1).isEqual(this._affectedStart)&&this._firstNode===this._lastNode&&(this._affectedStart.detach(),this._affectedStart=Cl._createAt(t.nodeBefore,0,"toPrevious")),this.position=n.toPosition(),n.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_canMergeLeft(e){const t=e.previousSibling;return t instanceof xs&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(t,e)}_canMergeRight(e){const t=e.nextSibling;return t instanceof xs&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(e,t)}_tryAutoparagraphing(e){const t=this.writer.createElement("paragraph");this._getAllowedIn(t,this.position.parent)&&this.schema.checkChild(t,e)&&(t._appendChild(e),this._handleNode(t))}_checkAndSplitToAllowedPosition(e){const t=this._getAllowedIn(e,this.position.parent);if(!t)return!1;for(t!=this.position.parent&&this._insertPartialFragment();t!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const e=this.position.parent;this.position=this.writer.createPositionBefore(e),e.isEmpty&&e.parent===t&&this.writer.remove(e)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const e=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=e,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(e,t){return this.schema.checkChild(t,e)?t:t.parent?this._getAllowedIn(e,t.parent):null}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Pl(e,t,n={}){if(t.isCollapsed)return;const o=t.getFirstRange();if("$graveyard"==o.root.rootName)return;const i=e.schema;e.change(e=>{if(!n.doNotResetEntireContent&&function(e,t){const n=e.getLimitElement(t);if(!t.containsEntireContent(n))return!1;const o=t.getFirstRange();if(o.start.parent==o.end.parent)return!1;return e.checkChild(n,"paragraph")}(i,t))return void function(e,t){const n=e.model.schema.getLimitElement(t);e.remove(e.createRangeIn(n)),Rl(e,e.createPositionAt(n,0),t)}(e,t);const[r,s]=function(e){const t=e.root.document.model,n=e.start;let o=e.end;if(t.hasContent(e,{ignoreMarkers:!0})){const n=function(e){const t=e.parent,n=t.root.document.model.schema,o=t.getAncestors({parentFirst:!0,includeSelf:!0});for(const e of o){if(n.isLimit(e))return null;if(n.isBlock(e))return e}}(o);if(n&&o.isTouching(t.createPositionAt(n,0))){const n=t.createSelection(e);t.modifySelection(n,{direction:"backward"}),o=n.getLastPosition()}}return[Cl.fromPosition(n,"toPrevious"),Cl.fromPosition(o,"toNext")]}(o);r.isTouching(s)||e.remove(e.createRange(r,s)),n.leaveUnmerged||(!function(e,t,n){const o=e.model;if(!Sl(e.model.schema,t,n))return;const[i,r]=function(e,t){const n=e.getAncestors(),o=t.getAncestors();let i=0;for(;n[i]&&n[i]==o[i];)i++;return[n[i],o[i]]}(t,n);if(!i||!r)return;!o.hasContent(i,{ignoreMarkers:!0})&&o.hasContent(r,{ignoreMarkers:!0})?function e(t,n,o,i){const r=n.parent,s=o.parent;if(r==i||s==i)return;n=t.createPositionAfter(r),(o=t.createPositionBefore(s)).isEqual(n)||t.insert(r,o);for(;n.parent.isEmpty;){const e=n.parent;n=t.createPositionBefore(e),t.remove(e)}if(o=t.createPositionBefore(s),function(e,t){const n=t.nodeBefore,o=t.nodeAfter;n.name!=o.name&&e.rename(n,o.name);e.clearAttributes(n),e.setAttributes(Object.fromEntries(o.getAttributes()),n),e.merge(t)}(t,o),!Sl(t.model.schema,n,o))return;e(t,n,o,i)}(e,t,n,i.parent):function e(t,n,o,i){const r=n.parent,s=o.parent;if(r==i||s==i)return;n=t.createPositionAfter(r),(o=t.createPositionBefore(s)).isEqual(n)||t.insert(s,n);t.merge(n);for(;o.parent.isEmpty;){const e=o.parent;o=t.createPositionBefore(e),t.remove(e)}if(!Sl(t.model.schema,n,o))return;e(t,n,o,i)}(e,t,n,i.parent)}(e,r,s),i.removeDisallowedAttributes(r.parent.getChildren(),e)),Il(e,t,r),!n.doNotAutoparagraph&&function(e,t){const n=e.checkChild(t,"$text"),o=e.checkChild(t,"paragraph");return!n&&o}(i,r)&&Rl(e,r,t),r.detach(),s.detach()})}function Sl(e,t,n){const o=t.parent,i=n.parent;return o!=i&&(!e.isLimit(o)&&!e.isLimit(i)&&function(e,t,n){const o=new Rs(e,t);for(const e of o.getWalker())if(n.isLimit(e.item))return!1;return!0}(t,n,e))}function Rl(e,t,n){const o=e.createElement("paragraph");e.insert(o,t),Il(e,n,e.createPositionAt(o,0))}function Il(e,t,n){t instanceof Us?e.setSelection(n):t.setTo(n)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Ol(e,t){const{isForward:n,walker:o,unit:i,schema:r}=e,{type:s,item:a,nextPosition:l}=t;if("text"==s)return"word"===e.unit?function(e,t){let n=e.position.textNode;if(n){let o=e.position.offset-n.startOffset;for(;!Vl(n.data,o,t)&&!Nl(n,o,t);){e.next();const i=t?e.position.nodeAfter:e.position.nodeBefore;if(i&&i.is("$text")){const o=i.data.charAt(t?0:i.data.length-1);' ,.?!:;"-()'.includes(o)||(e.next(),n=e.position.textNode)}o=e.position.offset-n.startOffset}}return e.position}(o,n):function(e,t){const n=e.position.textNode;if(n){const o=n.data;let i=e.position.offset-n.startOffset;for(;gl(o,i)||"character"==t&&bl(o,i);)e.next(),i=e.position.offset-n.startOffset}return e.position}(o,i);if(s==(n?"elementStart":"elementEnd")){if(r.isSelectable(a))return Ts._createAt(a,n?"after":"before");if(r.checkChild(l,"$text"))return l}else{if(r.isLimit(a))return void o.skip(()=>!0);if(r.checkChild(l,"$text"))return l}}function Ml(e,t){const n=e.root,o=Ts._createAt(n,t?"end":0);return t?new Rs(e,o):new Rs(o,e)}function Vl(e,t,n){const o=t+(n?0:-1);return' ,.?!:;"-()'.includes(e.charAt(o))}function Nl(e,t,n){return t===(n?e.endOffset:0)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Dl(e,t){const n=[];Array.from(e.getItems({direction:"backward"})).map(e=>t.createRangeOn(e)).filter(t=>(t.start.isAfter(e.start)||t.start.isEqual(e.start))&&(t.end.isBefore(e.end)||t.end.isEqual(e.end))).forEach(e=>{n.push(e.start.parent),t.remove(e)}),n.forEach(e=>{let n=e;for(;n.parent&&n.isEmpty;){const e=t.createRangeOn(n);n=n.parent,t.remove(e)}})}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function zl(e){e.document.registerPostFixer(t=>function(e,t){const n=t.document.selection,o=t.schema,i=[];let r=!1;for(const e of n.getRanges()){const t=Fl(e,o);t&&!t.isEqual(e)?(i.push(t),r=!0):i.push(e)}r&&e.setSelection(function(e){const t=[];t.push(e.shift());for(const n of e){const e=t.pop();if(n.isEqual(e))t.push(e);else if(n.isIntersecting(e)){const o=e.start.isAfter(n.start)?n.start:e.start,i=e.end.isAfter(n.end)?e.end:n.end,r=new Rs(o,i);t.push(r)}else t.push(e),t.push(n)}return t}(i),{backward:n.isBackward})}(t,e))}function Fl(e,t){return e.isCollapsed?function(e,t){const n=e.start,o=t.getNearestSelectionRange(n);if(!o)return null;if(!o.isCollapsed)return o;const i=o.start;if(n.isEqual(i))return null;return new Rs(i)}(e,t):function(e,t){const{start:n,end:o}=e,i=t.checkChild(n,"$text"),r=t.checkChild(o,"$text"),s=t.getLimitElement(n),a=t.getLimitElement(o);if(s===a){if(i&&r)return null;if(function(e,t,n){const o=e.nodeAfter&&!n.isLimit(e.nodeAfter)||n.checkChild(e,"$text"),i=t.nodeBefore&&!n.isLimit(t.nodeBefore)||n.checkChild(t,"$text");return o||i}(n,o,t)){const e=n.nodeAfter&&t.isSelectable(n.nodeAfter)?null:t.getNearestSelectionRange(n,"forward"),i=o.nodeBefore&&t.isSelectable(o.nodeBefore)?null:t.getNearestSelectionRange(o,"backward"),r=e?e.start:n,s=i?i.end:o;return new Rs(r,s)}}const l=s&&!s.is("rootElement"),c=a&&!a.is("rootElement");if(l||c){const e=n.nodeAfter&&o.nodeBefore&&n.nodeAfter.parent===o.nodeBefore.parent,i=l&&(!e||!Ll(n.nodeAfter,t)),r=c&&(!e||!Ll(o.nodeBefore,t));let d=n,u=o;return i&&(d=Ts._createBefore(Bl(s,t))),r&&(u=Ts._createAfter(Bl(a,t))),new Rs(d,u)}return null}(e,t)}function Bl(e,t){let n=e,o=n;for(;t.isLimit(o)&&o.parent;)n=o,o=o.parent;return n}function Ll(e,t){return e&&t.isSelectable(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ql{constructor(){this.markers=new _l,this.document=new wl(this),this.schema=new wa,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(e=>this.decorate(e)),this.on("applyOperation",(e,t)=>{t[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0,isContent:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck((e,t)=>{if("$marker"===t.name)return!0}),zl(this),this.document.registerPostFixer(ia)}change(e){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new Fa,callback:e}),this._runPendingChanges()[0]):e(this._currentWriter)}catch(e){fn.a.rethrowUnexpectedError(e,this)}}enqueueChange(e,t){try{"string"==typeof e?e=new Fa(e):"function"==typeof e&&(t=e,e=new Fa),this._pendingChanges.push({batch:e,callback:t}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(e){fn.a.rethrowUnexpectedError(e,this)}}applyOperation(e){e._execute()}insertContent(e,t,n){
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-return function(e,t,n,o){return e.change(i=>{let r;r=n?n instanceof Fs||n instanceof Us?n:i.createSelection(n,o):e.document.selection,r.isCollapsed||e.deleteContent(r,{doNotAutoparagraph:!0});const s=new El(e,i,r.anchor);let a;a=t.is("documentFragment")?t.getChildren():[t],s.handleNodes(a);const l=s.getSelectionRange();l&&(r instanceof Us?i.setSelection(l):r.setTo(l));const c=s.getAffectedRange()||e.createRange(r.anchor);return s.destroy(),c})}(this,e,t,n)}deleteContent(e,t){Pl(this,e,t)}modifySelection(e,t){!function(e,t,n={}){const o=e.schema,i="backward"!=n.direction,r=n.unit?n.unit:"character",s=t.focus,a=new Cs({boundaries:Ml(s,i),singleCharacters:!0,direction:i?"forward":"backward"}),l={walker:a,schema:o,isForward:i,unit:r};let c;for(;c=a.next();){if(c.done)return;const n=Ol(l,c.value);if(n)return void(t instanceof Us?e.change(e=>{e.setSelectionFocus(n)}):t.setFocus(n))}}(this,e,t)}getSelectedContent(e){return function(e,t){return e.change(e=>{const n=e.createDocumentFragment(),o=t.getFirstRange();if(!o||o.isCollapsed)return n;const i=o.start.root,r=o.start.getCommonPath(o.end),s=i.getNodeByPath(r);let a;a=o.start.parent==o.end.parent?o:e.createRange(e.createPositionAt(s,o.start.path[r.length]),e.createPositionAt(s,o.end.path[r.length]+1));const l=a.end.offset-a.start.offset;for(const t of a.getItems({shallow:!0}))t.is("$textProxy")?e.appendText(t.data,t.getAttributes(),n):e.append(e.cloneElement(t,!0),n);if(a!=o){const t=o._getTransformedByMove(a.start,e.createPositionAt(n,0),l)[0],i=e.createRange(e.createPositionAt(n,0),t.start);Dl(e.createRange(t.end,e.createPositionAt(n,"end")),e),Dl(i,e)}return n})}(this,e)}hasContent(e,t={}){const n=e instanceof xs?Rs._createIn(e):e;if(n.isCollapsed)return!1;const{ignoreWhitespaces:o=!1,ignoreMarkers:i=!1}=t;if(!i)for(const e of this.markers.getMarkersIntersectingRange(n))if(e.affectsData)return!0;for(const e of n.getItems())if(this.schema.isContent(e)){if(!e.is("$textProxy"))return!0;if(!o)return!0;if(-1!==e.data.search(/\S/))return!0}return!1}createPositionFromPath(e,t,n){return new Ts(e,t,n)}createPositionAt(e,t){return Ts._createAt(e,t)}createPositionAfter(e){return Ts._createAfter(e)}createPositionBefore(e){return Ts._createBefore(e)}createRange(e,t){return new Rs(e,t)}createRangeIn(e){return Rs._createIn(e)}createRangeOn(e){return Rs._createOn(e)}createSelection(e,t,n){return new Fs(e,t,n)}createBatch(e){return new Fa(e)}createOperationFromJSON(e){return class{static fromJSON(e,t){return xl[e.__className].fromJSON(e,t)}}.fromJSON(e,this.document)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const e=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const t=this._pendingChanges[0].batch;this._currentWriter=new rl(this,t);const n=this._pendingChanges[0].callback(this._currentWriter);e.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),e}}Cn(ql,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class jl{constructor(){this._listener=Object.create(mr)}listenTo(e){this._listener.listenTo(e,"keydown",(e,t)=>{this._listener.fire("_keydown:"+wi(t),t)})}set(e,t,n={}){const o=ki(e),i=n.priority;this._listener.listenTo(this._listener,"_keydown:"+o,(e,n)=>{t(n,()=>{n.preventDefault(),n.stopPropagation(),e.stop()}),e.return=!0},{priority:i})}press(e){return!!this._listener.fire("_keydown:"+wi(e),e)}destroy(){this._listener.stopListening()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Hl extends jl{constructor(e){super(),this.editor=e}set(e,t,n={}){if("string"==typeof t){const e=t;t=(t,n)=>{this.editor.execute(e),n()}}super.set(e,t,n)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Wl{constructor(e={}){this._context=e.context||new On({language:e.language}),this._context._addEditor(this,!e.context);const t=Array.from(this.constructor.builtinPlugins||[]);this.config=new rn(e,this.constructor.defaultConfig),this.config.define("plugins",t),this.config.define(this._context._getEditorConfig()),this.plugins=new Tn(this,t,this._context.plugins),this.locale=this._context.locale,this.t=this.locale.t,this.commands=new ma,this.set("state","initializing"),this.once("ready",()=>this.state="ready",{priority:"high"}),this.once("destroy",()=>this.state="destroyed",{priority:"high"}),this.set("isReadOnly",!1),this.model=new ql;const n=new Mo;this.data=new Va(this.model,n),this.editing=new pa(this.model,n),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new Na([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher),this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher),this.keystrokes=new Hl(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const e=this.config,t=e.get("plugins"),n=e.get("removePlugins")||[],o=e.get("extraPlugins")||[];return this.plugins.init(t.concat(o),n)}destroy(){let e=Promise.resolve();return"initializing"==this.state&&(e=new Promise(e=>this.once("ready",e))),e.then(()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()}).then(()=>this.plugins.destroy()).then(()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()}).then(()=>this._context._removeEditor(this))}execute(...e){try{return this.commands.execute(...e)}catch(e){fn.a.rethrowUnexpectedError(e,this)}}focus(){this.editing.view.focus()}}Cn(Wl,$o);var $l={setData(e){this.data.set(e)},getData(e){return this.data.get(e)}};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ul{constructor(e){this.editor=e,this._components=new Map}*names(){for(const e of this._components.values())yield e.originalName}add(e,t){this._components.set(Gl(e),{callback:t,originalName:e})}create(e){if(!this.has(e))throw new fn.a("componentfactory-item-missing",this,{name:e});return this._components.get(Gl(e)).callback(this.editor.locale)}has(e){return this._components.has(Gl(e))}}function Gl(e){return String(e).toLowerCase()}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Kl{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(e){if(this._elements.has(e))throw new fn.a("focustracker-add-element-already-exist",this);this.listenTo(e,"focus",()=>this._focus(e),{useCapture:!0}),this.listenTo(e,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(e)}remove(e){e===this.focusedElement&&this._blur(e),this._elements.has(e)&&(this.stopListening(e),this._elements.delete(e))}destroy(){this.stopListening()}_focus(e){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=e,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}Cn(Kl,mr),Cn(Kl,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Jl{constructor(e){this.editor=e,this.componentFactory=new Ul(e),this.focusTracker=new Kl,this._editableElementsMap=new Map,this.listenTo(e.editing.view.document,"layoutChanged",()=>this.update())}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy();for(const e of this._editableElementsMap.values())e.ckeditorInstance=null;this._editableElementsMap=new Map}setEditableElement(e,t){this._editableElementsMap.set(e,t),t.ckeditorInstance||(t.ckeditorInstance=this.editor)}getEditableElement(e="main"){return this._editableElementsMap.get(e)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this}),this._editableElementsMap}}Cn(Jl,gn);n(29);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const Zl=new WeakMap;function Ql(e){const{view:t,element:n,text:o,isDirectHost:i=!0}=e,r=t.document;Zl.has(r)||(Zl.set(r,new Map),r.registerPostFixer(e=>Xl(r,e))),Zl.get(r).set(n,{text:o,isDirectHost:i}),t.change(e=>Xl(r,e))}function Yl(e,t){return!!t.hasClass("ck-placeholder")&&(e.removeClass("ck-placeholder",t),!0)}function Xl(e,t){const n=Zl.get(e);let o=!1;for(const[e,i]of n)ec(t,e,i)&&(o=!0);return o}function ec(e,t,n){const{text:o,isDirectHost:i}=n,r=i?t:function(e){if(1===e.childCount){const t=e.getChild(0);if(t.is("element")&&!t.is("uiElement"))return t}return null}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(t);let s=!1;return!!r&&(n.hostElement=r,r.getAttribute("data-placeholder")!==o&&(e.setAttribute("data-placeholder",o,r),s=!0),!function(e){if(!e.isAttached())return!1;const t=!Array.from(e.getChildren()).some(e=>!e.is("uiElement")),n=e.document;if(!n.isFocused&&t)return!0;const o=n.selection.anchor;return!(!t||!o||o.parent===e)}(r)?Yl(e,r)&&(s=!0):function(e,t){return!t.hasClass("ck-placeholder")&&(e.addClass("ck-placeholder",t),!0)}(e,r)&&(s=!0),s)}class tc extends Jl{constructor(e,t){super(e),this.view=t}init(){const e=this.editor,t=this.view,n=e.editing.view,o=t.editable,i=n.document.getRoot();t.editable.name=i.rootName,t.render();const r=o.element;this.setEditableElement(o.name,r),this.focusTracker.add(r),t.editable.bind("isFocused").to(this.focusTracker),n.attachDomRoot(r),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const e=this.view;this.editor.editing.view.detachDomRoot(e.editable.name),e.destroy(),super.destroy()}_initToolbar(){const e=this.editor,t=this.view.toolbar;t.fillFromConfig(e.config.get("toolbar"),this.componentFactory),
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function({origin:e,originKeystrokeHandler:t,originFocusTracker:n,toolbar:o,beforeFocus:i,afterBlur:r}){n.add(o.element),t.set("Alt+F10",(e,t)=>{n.isFocused&&!o.focusTracker.isFocused&&(i&&i(),o.focus(),t())}),o.keystrokes.set("Esc",(t,n)=>{o.focusTracker.isFocused&&(e.focus(),r&&r(),n())})}({origin:e.editing.view,originFocusTracker:this.focusTracker,originKeystrokeHandler:e.keystrokes,toolbar:t})}_initPlaceholder(){const e=this.editor,t=e.editing.view,n=t.document.getRoot(),o=e.sourceElement,i=e.config.get("placeholder")||o&&"textarea"===o.tagName.toLowerCase()&&o.getAttribute("placeholder");i&&Ql({view:t,element:n,text:i,isDirectHost:!1})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class nc extends An{constructor(e=[]){super(e,{idProperty:"viewUid"}),this.on("add",(e,t,n)=>{this._renderViewIntoCollectionParent(t,n)}),this.on("remove",(e,t)=>{t.element&&this._parentElement&&t.element.remove()}),this._parentElement=null}destroy(){this.map(e=>e.destroy())}setParent(e){this._parentElement=e;for(const e of this)this._renderViewIntoCollectionParent(e)}delegate(...e){if(!e.length||!e.every(e=>"string"==typeof e))throw new fn.a("ui-viewcollection-delegate-wrong-events",this);return{to:t=>{for(const n of this)for(const o of e)n.delegate(o).to(t);this.on("add",(n,o)=>{for(const n of e)o.delegate(n).to(t)}),this.on("remove",(n,o)=>{for(const n of e)o.stopDelegating(n,t)})}}}_renderViewIntoCollectionParent(e,t){e.isRendered||e.render(),e.element&&this._parentElement&&this._parentElement.insertBefore(e.element,this._parentElement.children[t])}}class oc{constructor(e){Object.assign(this,fc(hc(e))),this._isRendered=!1,this._revertData=null}render(){const e=this._renderNode({intoFragment:!0});return this._isRendered=!0,e}apply(e){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:e,isApplying:!0,revertData:this._revertData}),e}revert(e){if(!this._revertData)throw new fn.a("ui-template-revert-not-applied",[this,e]);this._revertTemplateFromNode(e,this._revertData)}*getViews(){yield*function*e(t){if(t.children)for(const n of t.children)wc(n)?yield n:kc(n)&&(yield*e(n))}(this)}static bind(e,t){return{to:(n,o)=>new rc({eventNameOrFunction:n,attribute:n,observable:e,emitter:t,callback:o}),if:(n,o,i)=>new sc({observable:e,emitter:t,attribute:n,valueIfTrue:o,callback:i})}}static extend(e,t){if(e._isRendered)throw new fn.a("template-extend-render",[this,e]);!function e(t,n){n.attributes&&(t.attributes||(t.attributes={}),gc(t.attributes,n.attributes));n.eventListeners&&(t.eventListeners||(t.eventListeners={}),gc(t.eventListeners,n.eventListeners));n.text&&t.text.push(...n.text);if(n.children&&n.children.length){if(t.children.length!=n.children.length)throw new fn.a("ui-template-extend-children-mismatch",t);let o=0;for(const i of n.children)e(t.children[o++],i)}}(e,fc(hc(t)))}_renderNode(e){let t;if(t=e.node?this.tag&&this.text:this.tag?this.text:!this.text,t)throw new fn.a("ui-template-wrong-syntax",this);return this.text?this._renderText(e):this._renderElement(e)}_renderElement(e){let t=e.node;return t||(t=e.node=document.createElementNS(this.ns||"http://www.w3.org/1999/xhtml",this.tag)),this._renderAttributes(e),this._renderElementChildren(e),this._setUpListeners(e),t}_renderText(e){let t=e.node;return t?e.revertData.text=t.textContent:t=e.node=document.createTextNode(""),ac(this.text)?this._bindToObservable({schema:this.text,updater:cc(t),data:e}):t.textContent=this.text.join(""),t}_renderAttributes(e){let t,n,o,i;if(!this.attributes)return;const r=e.node,s=e.revertData;for(t in this.attributes)if(o=r.getAttribute(t),n=this.attributes[t],s&&(s.attributes[t]=o),i=F(n[0])&&n[0].ns?n[0].ns:null,ac(n)){const a=i?n[0].value:n;s&&vc(t)&&a.unshift(o),this._bindToObservable({schema:a,updater:dc(r,t,i),data:e})}else"style"==t&&"string"!=typeof n[0]?this._renderStyleAttribute(n[0],e):(s&&o&&vc(t)&&n.unshift(o),n=n.map(e=>e&&e.value||e).reduce((e,t)=>e.concat(t),[]).reduce(mc,""),bc(n)||r.setAttributeNS(i,t,n))}_renderStyleAttribute(e,t){const n=t.node;for(const o in e){const i=e[o];ac(i)?this._bindToObservable({schema:[i],updater:uc(n,o),data:t}):n.style[o]=i}}_renderElementChildren(e){const t=e.node,n=e.intoFragment?document.createDocumentFragment():t,o=e.isApplying;let i=0;for(const r of this.children)if(_c(r)){if(!o){r.setParent(t);for(const e of r)n.appendChild(e.element)}}else if(wc(r))o||(r.isRendered||r.render(),n.appendChild(r.element));else if(tr(r))n.appendChild(r);else if(o){const t={children:[],bindings:[],attributes:{}};e.revertData.children.push(t),r._renderNode({node:n.childNodes[i++],isApplying:!0,revertData:t})}else n.appendChild(r.render());e.intoFragment&&t.appendChild(n)}_setUpListeners(e){if(this.eventListeners)for(const t in this.eventListeners){const n=this.eventListeners[t].map(n=>{const[o,i]=t.split("@");return n.activateDomEventListener(o,i,e)});e.revertData&&e.revertData.bindings.push(n)}}_bindToObservable({schema:e,updater:t,data:n}){const o=n.revertData;lc(e,t,n);const i=e.filter(e=>!bc(e)).filter(e=>e.observable).map(o=>o.activateAttributeListener(e,t,n));o&&o.bindings.push(i)}_revertTemplateFromNode(e,t){for(const e of t.bindings)for(const t of e)t();if(t.text)e.textContent=t.text;else{for(const n in t.attributes){const o=t.attributes[n];null===o?e.removeAttribute(n):e.setAttribute(n,o)}for(let n=0;n<t.children.length;++n)this._revertTemplateFromNode(e.childNodes[n],t.children[n])}}}Cn(oc,gn);class ic{constructor(e){Object.assign(this,e)}getValue(e){const t=this.observable[this.attribute];return this.callback?this.callback(t,e):t}activateAttributeListener(e,t,n){const o=()=>lc(e,t,n);return this.emitter.listenTo(this.observable,"change:"+this.attribute,o),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,o)}}}class rc extends ic{activateDomEventListener(e,t,n){const o=(e,n)=>{t&&!n.target.matches(t)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(n):this.observable.fire(this.eventNameOrFunction,n))};return this.emitter.listenTo(n.node,e,o),()=>{this.emitter.stopListening(n.node,e,o)}}}class sc extends ic{getValue(e){return!bc(super.getValue(e))&&(this.valueIfTrue||!0)}}function ac(e){return!!e&&(e.value&&(e=e.value),Array.isArray(e)?e.some(ac):e instanceof ic)}function lc(e,t,{node:n}){let o=function(e,t){return e.map(e=>e instanceof ic?e.getValue(t):e)}(e,n);o=1==e.length&&e[0]instanceof sc?o[0]:o.reduce(mc,""),bc(o)?t.remove():t.set(o)}function cc(e){return{set(t){e.textContent=t},remove(){e.textContent=""}}}function dc(e,t,n){return{set(o){e.setAttributeNS(n,t,o)},remove(){e.removeAttributeNS(n,t)}}}function uc(e,t){return{set(n){e.style[t]=n},remove(){e.style[t]=null}}}function hc(e){return nn(e,e=>{if(e&&(e instanceof ic||kc(e)||wc(e)||_c(e)))return e})}function fc(e){if("string"==typeof e?e=function(e){return{text:[e]}}(e):e.text&&function(e){e.text=En(e.text)}(e),e.on&&(e.eventListeners=function(e){for(const t in e)pc(e,t);return e}(e.on),delete e.on),!e.text){e.attributes&&function(e){for(const t in e)e[t].value&&(e[t].value=En(e[t].value)),pc(e,t)}(e.attributes);const t=[];if(e.children)if(_c(e.children))t.push(e.children);else for(const n of e.children)kc(n)||wc(n)||tr(n)?t.push(n):t.push(new oc(n));e.children=t}return e}function pc(e,t){e[t]=En(e[t])}function mc(e,t){return bc(t)?e:bc(e)?t:`${e} ${t}`}function gc(e,t){for(const n in t)e[n]?e[n].push(...t[n]):e[n]=t[n]}function bc(e){return!e&&0!==e}function wc(e){return e instanceof yc}function kc(e){return e instanceof oc}function _c(e){return e instanceof nc}function vc(e){return"class"==e||"style"==e}n(31);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class yc{constructor(e){this.element=null,this.isRendered=!1,this.locale=e,this.t=e&&e.t,this._viewCollections=new An,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(t,n)=>{n.locale=e}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=oc.bind(this,this)}createCollection(e){const t=new nc(e);return this._viewCollections.add(t),t}registerChild(e){xn(e)||(e=[e]);for(const t of e)this._unboundChildren.add(t)}deregisterChild(e){xn(e)||(e=[e]);for(const t of e)this._unboundChildren.remove(t)}setTemplate(e){this.template=new oc(e)}extendTemplate(e){oc.extend(this.template,e)}render(){if(this.isRendered)throw new fn.a("ui-view-render-already-rendered",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(e=>e.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}Cn(yc,mr),Cn(yc,$o);var xc=function(e){return"string"==typeof e||!De(e)&&g(e)&&"[object String]"==f(e)};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Cc(e,t,n={},o=[]){const i=n&&n.xmlns,r=i?e.createElementNS(i,t):e.createElement(t);for(const e in n)r.setAttribute(e,n[e]);!xc(o)&&xn(o)||(o=[o]);for(let t of o)xc(t)&&(t=e.createTextNode(t)),r.appendChild(t);return r}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ac extends nc{constructor(e,t=[]){super(t),this.locale=e}attachToDom(){this._bodyCollectionContainer=new oc({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:this.locale.uiLanguageDirection},children:this}).render();let e=document.querySelector(".ck-body-wrapper");e||(e=Cc(document,"div",{class:"ck-body-wrapper"}),document.body.appendChild(e)),e.appendChild(this._bodyCollectionContainer)}detachFromDom(){super.destroy(),this._bodyCollectionContainer&&this._bodyCollectionContainer.remove();const e=document.querySelector(".ck-body-wrapper");e&&0==e.childElementCount&&e.remove()}}n(33);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Tc extends yc{constructor(e){super(e),this.body=new Ac(e)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ec extends yc{constructor(e,t,n){super(e),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:e.contentLanguage,dir:e.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=t}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const e=this._editingView;function t(t){e.change(n=>{const o=e.document.getRoot(t.name);n.addClass(t.isFocused?"ck-focused":"ck-blurred",o),n.removeClass(t.isFocused?"ck-blurred":"ck-focused",o)})}e.isRenderingInProgress?function n(o){e.once("change:isRenderingInProgress",(e,i,r)=>{r?n(o):t(o)})}(this):t(this)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Pc extends Ec{constructor(e,t,n){super(e,t,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const e=this._editingView,t=this.t;e.change(n=>{const o=e.document.getRoot(this.name);n.setAttribute("aria-label",t("Rich Text Editor, %0",this.name),o)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Sc{constructor(e){if(Object.assign(this,e),e.actions&&e.keystrokeHandler)for(const t in e.actions){let n=e.actions[t];"string"==typeof n&&(n=[n]);for(const o of n)e.keystrokeHandler.set(o,(e,n)=>{this[t](),n()})}}get first(){return this.focusables.find(Rc)||null}get last(){return this.focusables.filter(Rc).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let e=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((t,n)=>{const o=t.element===this.focusTracker.focusedElement;return o&&(e=n),o}),e)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(e){e&&e.focus()}_getFocusableItem(e){const t=this.current,n=this.focusables.length;if(!n)return null;if(null===t)return this[1===e?"first":"last"];let o=(t+n+e)%n;do{const t=this.focusables.get(o);if(Rc(t))return t;o=(o+n+e)%n}while(o!==t);return null}}function Rc(e){return!(!e.focus||"none"==sr.window.getComputedStyle(e.element).display)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ic extends yc{constructor(e){super(e),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Oc extends yc{constructor(e){super(e),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__line-break"]}})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Mc{constructor(e,t){Mc._observerInstance||Mc._createObserver(),this._element=e,this._callback=t,Mc._addElementCallback(e,t),Mc._observerInstance.observe(e)}destroy(){Mc._deleteElementCallback(this._element,this._callback)}static _addElementCallback(e,t){Mc._elementCallbacks||(Mc._elementCallbacks=new Map);let n=Mc._elementCallbacks.get(e);n||(n=new Set,Mc._elementCallbacks.set(e,n)),n.add(t)}static _deleteElementCallback(e,t){const n=Mc._getElementCallbacks(e);n&&(n.delete(t),n.size||(Mc._elementCallbacks.delete(e),Mc._observerInstance.unobserve(e))),Mc._elementCallbacks&&!Mc._elementCallbacks.size&&(Mc._observerInstance=null,Mc._elementCallbacks=null)}static _getElementCallbacks(e){return Mc._elementCallbacks?Mc._elementCallbacks.get(e):null}static _createObserver(){let e;e="function"==typeof sr.window.ResizeObserver?sr.window.ResizeObserver:Vc,Mc._observerInstance=new e(e=>{for(const t of e){const e=Mc._getElementCallbacks(t.target);if(e)for(const n of e)n(t)}})}}Mc._observerInstance=null,Mc._elementCallbacks=null;class Vc{constructor(e){this._callback=e,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(e){this._elements.add(e),this._checkElementRectsAndExecuteCallback(),1===this._elements.size&&this._startPeriodicCheck()}unobserve(e){this._elements.delete(e),this._previousRects.delete(e),this._elements.size||this._stopPeriodicCheck()}_startPeriodicCheck(){const e=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(e,100)};this.listenTo(sr.window,"resize",()=>{this._checkElementRectsAndExecuteCallback()}),this._periodicCheckTimeout=setTimeout(e,100)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const e=[];for(const t of this._elements)this._hasRectChanged(t)&&e.push({target:t,contentRect:this._previousRects.get(t)});e.length&&this._callback(e)}_hasRectChanged(e){if(!e.ownerDocument.body.contains(e))return!1;const t=new rs(e),n=this._previousRects.get(e),o=!n||!n.isEqual(t);return this._previousRects.set(e,t),o}}Cn(Vc,mr);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Nc extends yc{constructor(e){super(e);const t=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",t.to("position",e=>"ck-dropdown__panel_"+e),t.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:t.to(e=>e.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const e=this.children.last;"function"==typeof e.focusLast?e.focusLast():e.focus()}}}n(35);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function Dc({element:e,target:t,positions:n,limiter:o,fitInViewport:i}){L(t)&&(t=t()),L(o)&&(o=o());const r=function(e){return e&&e.parentNode?e.offsetParent===sr.document.body?null:e.offsetParent:null}(e),s=new rs(e),a=new rs(t);let l,c;if(o||i){const e=function(e,t){const{elementRect:n,viewportRect:o}=t,i=n.getArea(),r=function(e,{targetRect:t,elementRect:n,limiterRect:o,viewportRect:i}){const r=[],s=n.getArea();for(const a of e){const e=zc(a,t,n);if(!e)continue;const[l,c]=e;let d=0,u=0;if(o)if(i){const e=o.getIntersection(i);e&&(d=e.getIntersectionArea(c))}else d=o.getIntersectionArea(c);i&&(u=i.getIntersectionArea(c));const h={positionName:l,positionRect:c,limiterIntersectArea:d,viewportIntersectArea:u};if(d===s)return[h];r.push(h)}return r}(e,t);if(o){const e=Fc(r.filter(({viewportIntersectArea:e})=>e===i),i);if(e)return e}return Fc(r,i)}(n,{targetRect:a,elementRect:s,limiterRect:o&&new rs(o).getVisible(),viewportRect:i&&new rs(sr.window)});[c,l]=e||zc(n[0],a,s)}else[c,l]=zc(n[0],a,s);let d=Bc(l);return r&&(d=function({left:e,top:t},n){const o=Bc(new rs(n)),i=os(n);return e-=o.left,t-=o.top,e+=n.scrollLeft,t+=n.scrollTop,e-=i.left,t-=i.top,{left:e,top:t}}(d,r)),{left:d.left,top:d.top,name:c}}function zc(e,t,n){const o=e(t,n);if(!o)return null;const{left:i,top:r,name:s}=o;return[s,n.clone().moveTo(i,r)]}function Fc(e,t){let n,o,i=0;for(const{positionName:r,positionRect:s,limiterIntersectArea:a,viewportIntersectArea:l}of e){if(a===t)return[r,s];const e=l**2+a**2;e>i&&(i=e,n=s,o=r)}return n?[o,n]:null}function Bc({left:e,top:t}){const{scrollX:n,scrollY:o}=sr.window;return{left:e+n,top:t+o}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Lc extends yc{constructor(e,t,n){super(e);const o=this.bindTemplate;this.buttonView=t,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.keystrokes=new jl,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",o.to("class"),o.if("isEnabled","ck-disabled",e=>!e)],id:o.to("id"),"aria-describedby":o.to("ariaDescribedById")},children:[t,n]}),t.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen}),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",()=>{this.isOpen&&("auto"===this.panelPosition?this.panelView.position=Lc._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)}),this.keystrokes.listenTo(this.element);const e=(e,t)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,t())};this.keystrokes.set("arrowdown",(e,t)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,t())}),this.keystrokes.set("arrowright",(e,t)=>{this.isOpen&&t()}),this.keystrokes.set("arrowleft",e),this.keystrokes.set("esc",e)}focus(){this.buttonView.focus()}get _panelPositions(){const{south:e,north:t,southEast:n,southWest:o,northEast:i,northWest:r,southMiddleEast:s,southMiddleWest:a,northMiddleEast:l,northMiddleWest:c}=Lc.defaultPanelPositions;return"rtl"!==this.locale.uiLanguageDirection?[n,o,s,a,e,i,r,l,c,t]:[o,n,a,s,e,r,i,c,l,t]}}Lc.defaultPanelPositions={south:(e,t)=>({top:e.bottom,left:e.left-(t.width-e.width)/2,name:"s"}),southEast:e=>({top:e.bottom,left:e.left,name:"se"}),southWest:(e,t)=>({top:e.bottom,left:e.left-t.width+e.width,name:"sw"}),southMiddleEast:(e,t)=>({top:e.bottom,left:e.left-(t.width-e.width)/4,name:"sme"}),southMiddleWest:(e,t)=>({top:e.bottom,left:e.left-3*(t.width-e.width)/4,name:"smw"}),north:(e,t)=>({top:e.top-t.height,left:e.left-(t.width-e.width)/2,name:"n"}),northEast:(e,t)=>({top:e.top-t.height,left:e.left,name:"ne"}),northWest:(e,t)=>({top:e.top-t.height,left:e.left-t.width+e.width,name:"nw"}),northMiddleEast:(e,t)=>({top:e.top-t.height,left:e.left-(t.width-e.width)/4,name:"nme"}),northMiddleWest:(e,t)=>({top:e.top-t.height,left:e.left-3*(t.width-e.width)/4,name:"nmw"})},Lc._getOptimalPosition=Dc;n(37);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class qc extends yc{constructor(){super();const e=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:e.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",()=>{this._updateXMLContent(),this._colorFillPaths()}),this.on("change:fillColor",()=>{this._colorFillPaths()})}_updateXMLContent(){if(this.content){const e=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),t=e.getAttribute("viewBox");for(t&&(this.viewBox=t),this.element.innerHTML="";e.childNodes.length>0;)this.element.appendChild(e.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(e=>{e.style.fill=this.fillColor})}}n(39);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class jc extends yc{constructor(e){super(e),this.set("text",""),this.set("position","s");const t=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",t.to("position",e=>"ck-tooltip_"+e),t.if("text","ck-hidden",e=>!e.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:t.to("text")}]}]})}}n(41);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Hc extends yc{constructor(e){super(e);const t=this.bindTemplate,n=un();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.set("withKeystroke",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new qc,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.keystrokeView=this._createKeystrokeView(),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",t.to("class"),t.if("isEnabled","ck-disabled",e=>!e),t.if("isVisible","ck-hidden",e=>!e),t.to("isOn",e=>e?"ck-on":"ck-off"),t.if("withText","ck-button_with-text"),t.if("withKeystroke","ck-button_with-keystroke")],type:t.to("type",e=>e||"button"),tabindex:t.to("tabindex"),"aria-labelledby":"ck-editor__aria-label_"+n,"aria-disabled":t.if("isEnabled",!0,e=>!e),"aria-pressed":t.to("isOn",e=>!!this.isToggleable&&String(e))},children:this.children,on:{mousedown:t.to(e=>{e.preventDefault()}),click:t.to(e=>{this.isEnabled?this.fire("execute"):e.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView),this.withKeystroke&&this.children.add(this.keystrokeView)}focus(){this.element.focus()}_createTooltipView(){const e=new jc;return e.bind("text").to(this,"_tooltipString"),e.bind("position").to(this,"tooltipPosition"),e}_createLabelView(e){const t=new yc,n=this.bindTemplate;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:"ck-editor__aria-label_"+e},children:[{text:this.bindTemplate.to("label")}]}),t}_createKeystrokeView(){const e=new yc;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",e=>_i(e))}]}),e}_getTooltipString(e,t,n){return e?"string"==typeof e?e:(n&&(n=_i(n)),e instanceof Function?e(t,n):`${t}${n?` (${n})`:""}`):""}}var Wc='<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z"/></svg>';
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class $c extends Hc{constructor(e){super(e),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const e=new qc;return e.content=Wc,e.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),e}}n(43);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Uc extends yc{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Kl,this.keystrokes=new jl,this._focusCycler=new Sc({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.items.on("add",(e,t)=>{this.focusTracker.add(t.element)}),this.items.on("remove",(e,t)=>{this.focusTracker.remove(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Gc extends yc{constructor(e){super(e),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Kc extends yc{constructor(e){super(e),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(45);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Jc extends Hc{constructor(e){super(e),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const e=new yc;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),e}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Zc({emitter:e,activator:t,callback:n,contextElements:o}){e.listenTo(document,"mousedown",(e,i)=>{if(!t())return;const r="function"==typeof i.composedPath?i.composedPath():[];for(const e of o)if(e.contains(i.target)||r.includes(e))return;n()})}n(47),n(49);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function Qc(e,t=$c){const n=new t(e),o=new Nc(e),i=new Lc(e,n,o);return n.bind("isEnabled").to(i),n instanceof $c?n.bind("isOn").to(i,"isOpen"):n.arrowView.bind("isOn").to(i,"isOpen"),function(e){(function(e){e.on("render",()=>{Zc({emitter:e,activator:()=>e.isOpen,callback:()=>{e.isOpen=!1},contextElements:[e.element]})})})(e),function(e){e.on("execute",t=>{t.source instanceof Jc||(e.isOpen=!1)})}(e),function(e){e.keystrokes.set("arrowdown",(t,n)=>{e.isOpen&&(e.panelView.focus(),n())}),e.keystrokes.set("arrowup",(t,n)=>{e.isOpen&&(e.panelView.focusLast(),n())})}(e)}(i),i}function Yc(e,t){const n=e.locale,o=n.t,i=e.toolbarView=new ed(n);i.set("ariaLabel",o("Dropdown toolbar")),e.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),t.map(e=>i.items.add(e)),e.panelView.children.add(i),i.items.delegate("execute").to(e)}function Xc(e,t){const n=e.locale,o=e.listView=new Uc(n);o.items.bindTo(t).using(({type:e,model:t})=>{if("separator"===e)return new Kc(n);if("button"===e||"switchbutton"===e){const o=new Gc(n);let i;return i="button"===e?new Hc(n):new Jc(n),i.bind(...Object.keys(t)).to(t),i.delegate("execute").to(o),o.children.add(i),o}}),e.panelView.children.add(o),o.items.delegate("execute").to(e)}n(51);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ed extends yc{constructor(e,t){super(e);const n=this.bindTemplate,o=this.t;this.options=t||{},this.set("ariaLabel",o("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new Kl,this.keystrokes=new jl,this.set("class"),this.set("isCompact",!1),this.itemsView=new td(e),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new Sc({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}});const i=["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")];
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-var r;this.options.shouldGroupWhenFull&&this.options.isFloating&&i.push("ck-toolbar_floating"),this.setTemplate({tag:"div",attributes:{class:i,role:"toolbar","aria-label":n.to("ariaLabel"),style:{maxWidth:n.to("maxWidth")}},children:this.children,on:{mousedown:(r=this,r.bindTemplate.to(e=>{e.target===r.element&&e.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new od(this):new nd(this)}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.items.on("add",(e,t)=>{this.focusTracker.add(t.element)}),this.items.on("remove",(e,t)=>{this.focusTracker.remove(t.element)}),this.keystrokes.listenTo(this.element),this._behavior.render(this)}destroy(){return this._behavior.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(e,t){const n=
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function(e){return Array.isArray(e)?{items:e,removeItems:[]}:e?Object.assign({items:[],removeItems:[]},e):{items:[],removeItems:[]}}(e),o=n.items.filter((e,o,i)=>"|"===e||-1===n.removeItems.indexOf(e)&&("-"===e?!this.options.shouldGroupWhenFull||(Object(fn.c)("toolbarview-line-break-ignored-when-grouping-items",i),!1):!!t.has(e)||(Object(fn.c)("toolbarview-item-unavailable",{name:e}),!1))),i=this._cleanSeparators(o).map(e=>"|"===e?new Ic:"-"===e?new Oc:t.create(e));this.items.addMany(i)}_cleanSeparators(e){const t=e=>"-"!==e&&"|"!==e,n=e.length,o=e.findIndex(t),i=n-e.slice().reverse().findIndex(t);return e.slice(o,i).filter((e,n,o)=>{if(t(e))return!0;return!(n>0&&o[n-1]===e)})}}class td extends yc{constructor(e){super(e),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class nd{constructor(e){const t=e.bindTemplate;e.set("isVertical",!1),e.itemsView.children.bindTo(e.items).using(e=>e),e.focusables.bindTo(e.items).using(e=>e),e.extendTemplate({attributes:{class:[t.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class od{constructor(e){this.view=e,this.viewChildren=e.children,this.viewFocusables=e.focusables,this.viewItemsView=e.itemsView,this.viewFocusTracker=e.focusTracker,this.viewLocale=e.locale,this.ungroupedItems=e.createCollection(),this.groupedItems=e.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,this.shouldUpdateGroupingOnNextResize=!1,e.itemsView.children.bindTo(this.ungroupedItems).using(e=>e),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),e.children.on("add",this._updateFocusCycleableItems.bind(this)),e.children.on("remove",this._updateFocusCycleableItems.bind(this)),e.items.on("change",(e,t)=>{const n=t.index;for(const e of t.removed)n>=this.ungroupedItems.length?this.groupedItems.remove(e):this.ungroupedItems.remove(e);for(let e=n;e<n+t.added.length;e++){const o=t.added[e-n];e>this.ungroupedItems.length?this.groupedItems.add(o,e-this.ungroupedItems.length):this.ungroupedItems.add(o,e)}this._updateGrouping()}),e.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(e){this.viewElement=e.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(e)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;if(!this.viewElement.offsetParent)return void(this.shouldUpdateGroupingOnNextResize=!0);const e=this.groupedItems.length;let t;for(;this._areItemsOverflowing;)this._groupLastItem(),t=!0;if(!t&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}this.groupedItems.length!==e&&this.view.fire("groupedItemsUpdate")}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const e=this.viewElement,t=this.viewLocale.uiLanguageDirection,n=new rs(e.lastChild),o=new rs(e);if(!this.cachedPadding){const n=sr.window.getComputedStyle(e),o="ltr"===t?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[o])}return"ltr"===t?n.right>o.right-this.cachedPadding:n.left<o.left+this.cachedPadding}_enableGroupingOnResize(){let e;this.resizeObserver=new Mc(this.viewElement,t=>{e&&e===t.contentRect.width&&!this.shouldUpdateGroupingOnNextResize||(this.shouldUpdateGroupingOnNextResize=!1,this._updateGrouping(),e=t.contentRect.width)}),this._updateGrouping()}_enableGroupingOnMaxWidthChange(e){e.on("change:maxWidth",()=>{this._updateGrouping()})}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new Ic),this.viewChildren.add(this.groupedItemsDropdown),this.viewFocusTracker.add(this.groupedItemsDropdown.element)),this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last),0)}_ungroupFirstItem(){this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first)),this.groupedItems.length||(this.viewChildren.remove(this.groupedItemsDropdown),this.viewChildren.remove(this.viewChildren.last),this.viewFocusTracker.remove(this.groupedItemsDropdown.element))}_createGroupedItemsDropdown(){const e=this.viewLocale,t=e.t,n=Qc(e);return n.class="ck-toolbar__grouped-dropdown",n.panelPosition="ltr"===e.uiLanguageDirection?"sw":"se",Yc(n,[]),n.buttonView.set({label:t("Show more items"),tooltip:!0,tooltipPosition:"rtl"===e.uiLanguageDirection?"se":"sw",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>'}),n.toolbarView.items.bindTo(this.groupedItems).using(e=>e),n}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map(e=>{this.viewFocusables.add(e)}),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class id extends Tc{constructor(e,t,n={}){super(e),this.toolbar=new ed(e,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull}),this.editable=new Pc(e,t,n.editableElement),this.toolbar.extendTemplate({attributes:{class:["ck-reset_all","ck-rounded-corners"],dir:e.uiLanguageDirection}})}render(){super.render(),this.registerChild([this.toolbar,this.editable])}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class rd extends Wl{constructor(e,t){super(t),on(e)&&(this.sourceElement=e,
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function(e){const t=e.sourceElement;if(t){if(t.ckeditorInstance)throw new fn.a("editor-source-element-already-used",e);t.ckeditorInstance=e,e.once("destroy",()=>{delete t.ckeditorInstance})}}(this)),this.model.document.createRoot();const n=!this.config.get("toolbar.shouldNotGroupWhenFull"),o=new id(this.locale,this.editing.view,{editableElement:this.sourceElement,shouldToolbarGroupWhenFull:n});this.ui=new tc(this,o)}destroy(){const e=this.getData();return this.ui.destroy(),super.destroy().then(()=>{this.sourceElement&&
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function(e,t){e instanceof HTMLTextAreaElement&&(e.value=t),e.innerHTML=t}(this.sourceElement,e)})}static create(e,t={}){return new Promise(n=>{const o=on(e);if(o&&"TEXTAREA"===e.tagName)throw new fn.a("editor-wrong-element",null);const i=new this(e,t);n(i.initPlugins().then(()=>{i.ui.init()}).then(()=>{if(!o&&t.initialData)throw new fn.a("editor-create-initial-data",null);const n=t.initialData||function(e){return on(e)?(t=e,t instanceof HTMLTextAreaElement?t.value:t.innerHTML):e;var t}(e);return i.data.init(n)}).then(()=>i.fire("ready")).then(()=>i))})}}Cn(rd,$l);var sd=function(e,t,n){var o=!0,i=!0;if("function"!=typeof e)throw new TypeError("Expected a function");return F(n)&&(o="leading"in n?!!n.leading:o,i="trailing"in n?!!n.trailing:i),Zr(e,t,{leading:o,maxWait:t,trailing:i})};
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function ad(e,t=new Set){const n=[e],o=new Set;for(;n.length>0;){const e=n.shift();if(!(o.has(e)||ld(e)||t.has(e)))if(o.add(e),e[Symbol.iterator])try{for(const t of e)n.push(t)}catch(e){}else for(const t in e)"defaultValue"!==t&&n.push(e[t])}return o}function ld(e){const t=Object.prototype.toString.call(e),n=typeof e;return"number"===n||"boolean"===n||"string"===n||"symbol"===n||"function"===n||"[object Date]"===t||"[object RegExp]"===t||"[object Module]"===t||null==e||e instanceof EventTarget||e instanceof Event}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class cd{constructor(e){this.editor=e,this.set("isEnabled",!0),this._disableStack=new Set}forceDisabled(e){this._disableStack.add(e),1==this._disableStack.size&&(this.on("set:isEnabled",dd,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(e){this._disableStack.delete(e),0==this._disableStack.size&&(this.off("set:isEnabled",dd),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function dd(e){e.return=!1,e.stop()}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */Cn(cd,$o);class ud{constructor(){this._stack=[]}add(e,t){const n=this._stack,o=n[0];this._insertDescriptor(e);const i=n[0];o===i||hd(o,i)||this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:t})}remove(e,t){const n=this._stack,o=n[0];this._removeDescriptor(e);const i=n[0];o===i||hd(o,i)||this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:t})}_insertDescriptor(e){const t=this._stack,n=t.findIndex(t=>t.id===e.id);if(hd(e,t[n]))return;n>-1&&t.splice(n,1);let o=0;for(;t[o]&&fd(t[o],e);)o++;t.splice(o,0,e)}_removeDescriptor(e){const t=this._stack,n=t.findIndex(t=>t.id===e);n>-1&&t.splice(n,1)}}function hd(e,t){return e&&t&&e.priority==t.priority&&pd(e.classes)==pd(t.classes)}function fd(e,t){return e.priority>t.priority||!(e.priority<t.priority)&&pd(e.classes)>pd(t.classes)}function pd(e){return Array.isArray(e)?e.sort().join(","):e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function md(e){return t=>t+e}Cn(ud,gn);n(53);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */const gd=md("px"),bd=sr.document.body;class wd extends yc{constructor(e){super(e);const t=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",t.to("position",e=>"ck-balloon-panel_"+e),t.if("isVisible","ck-balloon-panel_visible"),t.if("withArrow","ck-balloon-panel_with-arrow"),t.to("class")],style:{top:t.to("top",gd),left:t.to("left",gd)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(e){this.show();const t=wd.defaultPositions,n=Object.assign({},{element:this.element,positions:[t.southArrowNorth,t.southArrowNorthMiddleWest,t.southArrowNorthMiddleEast,t.southArrowNorthWest,t.southArrowNorthEast,t.northArrowSouth,t.northArrowSouthMiddleWest,t.northArrowSouthMiddleEast,t.northArrowSouthWest,t.northArrowSouthEast],limiter:bd,fitInViewport:!0},e),o=wd._getOptimalPosition(n),i=parseInt(o.left),r=parseInt(o.top),s=o.name;Object.assign(this,{top:r,left:i,position:s})}pin(e){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(e):this._stopPinning()},this._startPinning(e),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(e){this.attachTo(e);const t=kd(e.target),n=e.limiter?kd(e.limiter):bd;this.listenTo(sr.document,"scroll",(o,i)=>{const r=i.target,s=t&&r.contains(t),a=n&&r.contains(n);!s&&!a&&t&&n||this.attachTo(e)},{useCapture:!0}),this.listenTo(sr.window,"resize",()=>{this.attachTo(e)})}_stopPinning(){this.stopListening(sr.document,"scroll"),this.stopListening(sr.window,"resize")}}function kd(e){return on(e)?e:ns(e)?e.commonAncestorContainer:"function"==typeof e?kd(e()):null}function _d(e,t){return e.top-t.height-wd.arrowVerticalOffset}function vd(e){return e.bottom+wd.arrowVerticalOffset}wd.arrowHorizontalOffset=25,wd.arrowVerticalOffset=10,wd._getOptimalPosition=Dc,wd.defaultPositions={northWestArrowSouthWest:(e,t)=>({top:_d(e,t),left:e.left-wd.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(e,t)=>({top:_d(e,t),left:e.left-.25*t.width-wd.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(e,t)=>({top:_d(e,t),left:e.left-t.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(e,t)=>({top:_d(e,t),left:e.left-.75*t.width+wd.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(e,t)=>({top:_d(e,t),left:e.left-t.width+wd.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(e,t)=>({top:_d(e,t),left:e.left+e.width/2-wd.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(e,t)=>({top:_d(e,t),left:e.left+e.width/2-.25*t.width-wd.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(e,t)=>({top:_d(e,t),left:e.left+e.width/2-t.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(e,t)=>({top:_d(e,t),left:e.left+e.width/2-.75*t.width+wd.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(e,t)=>({top:_d(e,t),left:e.left+e.width/2-t.width+wd.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(e,t)=>({top:_d(e,t),left:e.right-wd.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(e,t)=>({top:_d(e,t),left:e.right-.25*t.width-wd.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(e,t)=>({top:_d(e,t),left:e.right-t.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(e,t)=>({top:_d(e,t),left:e.right-.75*t.width+wd.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(e,t)=>({top:_d(e,t),left:e.right-t.width+wd.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(e,t)=>({top:vd(e),left:e.left-wd.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(e,t)=>({top:vd(e),left:e.left-.25*t.width-wd.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(e,t)=>({top:vd(e),left:e.left-t.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(e,t)=>({top:vd(e),left:e.left-.75*t.width+wd.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(e,t)=>({top:vd(e),left:e.left-t.width+wd.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(e,t)=>({top:vd(e),left:e.left+e.width/2-wd.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(e,t)=>({top:vd(e),left:e.left+e.width/2-.25*t.width-wd.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(e,t)=>({top:vd(e),left:e.left+e.width/2-t.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(e,t)=>({top:vd(e),left:e.left+e.width/2-.75*t.width+wd.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(e,t)=>({top:vd(e),left:e.left+e.width/2-t.width+wd.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(e,t)=>({top:vd(e),left:e.right-wd.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(e,t)=>({top:vd(e),left:e.right-.25*t.width-wd.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(e,t)=>({top:vd(e),left:e.right-t.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(e,t)=>({top:vd(e),left:e.right-.75*t.width+wd.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(e,t)=>({top:vd(e),left:e.right-t.width+wd.arrowHorizontalOffset,name:"arrow_ne"})};function yd(e,t,n){return e&&Cd(e)&&!n.isInline(t)}function xd(e){return e.getAttribute("widget-type-around")}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Cd(e){return!!e.is("element")&&!!e.getCustomProperty("widget")}function Ad(e,t,n={}){if(!e.is("containerElement"))throw new fn.a("widget-to-widget-wrong-element-type",null,{element:e});return t.setAttribute("contenteditable","false",e),t.addClass("ck-widget",e),t.setCustomProperty("widget",!0,e),e.getFillerOffset=Id,n.label&&function(e,t,n){n.setCustomProperty("widgetLabel",t,e)}(e,n.label,t),n.hasSelectionHandle&&function(e,t){const n=t.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(e){const t=this.toDomElement(e),n=new qc;return n.set("content",'<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>'),n.render(),t.appendChild(n.element),t}));t.insert(t.createPositionAt(e,0),n),t.addClass(["ck-widget_with-selection-handle"],e)}(e,t),Td(e,t,(e,t,n)=>n.addClass(En(t.classes),e),(e,t,n)=>n.removeClass(En(t.classes),e)),e}function Td(e,t,n,o){const i=new ud;i.on("change:top",(t,i)=>{i.oldDescriptor&&o(e,i.oldDescriptor,i.writer),i.newDescriptor&&n(e,i.newDescriptor,i.writer)}),t.setCustomProperty("addHighlight",(e,t,n)=>i.add(t,n),e),t.setCustomProperty("removeHighlight",(e,t,n)=>i.remove(t,n),e)}function Ed(e){const t=e.getCustomProperty("widgetLabel");return t?"function"==typeof t?t():t:""}function Pd(e,t){return t.addClass(["ck-editor__editable","ck-editor__nested-editable"],e),t.setAttribute("contenteditable",e.isReadOnly?"false":"true",e),e.on("change:isReadOnly",(n,o,i)=>{t.setAttribute("contenteditable",i?"false":"true",e)}),e.on("change:isFocused",(n,o,i)=>{i?t.addClass("ck-editor__nested-editable_focused",e):t.removeClass("ck-editor__nested-editable_focused",e)}),e}function Sd(e,t){const n=e.getSelectedElement();if(n){const o=xd(e);if(o)return t.createPositionAt(n,o);if(t.schema.isBlock(n))return t.createPositionAfter(n)}const o=e.getSelectedBlocks().next().value;if(o){if(o.isEmpty)return t.createPositionAt(o,0);const n=t.createPositionAfter(o);return e.focus.isTouching(n)?n:t.createPositionBefore(o)}return e.focus}function Rd(e,t){const n=new rs(sr.window),o=n.getIntersection(e),i=t.height+wd.arrowVerticalOffset;if(e.top-i>n.top||e.bottom+i<n.bottom)return null;const r=o||e,s=r.left+r.width/2-t.width/2;return{top:Math.max(e.top,0)+wd.arrowVerticalOffset,left:s,name:"arrow_n"}}function Id(){return null}class Od extends cd{static get pluginName(){return"OPMacroToc"}static get buttonName(){return"insertToc"}init(){const e=this.editor,t=e.model,n=e.conversion;t.schema.register("op-macro-toc",{allowWhere:"$block",isBlock:!0,isLimit:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"toc"},model:"op-macro-toc"}),n.for("editingDowncast").elementToElement({model:"op-macro-toc",view:(e,{writer:t})=>Ad(this.createTocViewElement(t),t,{label:this.label})}),n.for("dataDowncast").elementToElement({model:"op-macro-toc",view:(e,{writer:t})=>this.createTocDataElement(t)}),e.ui.componentFactory.add(Od.buttonName,t=>{const n=new Hc(t);return n.set({label:this.label,withText:!0}),n.on("execute",()=>{e.model.change(t=>{const n=t.createElement("op-macro-toc",{});e.model.insertContent(n,e.model.document.selection)})}),n})}get label(){return window.I18n.t("js.editor.macro.toc")}createTocViewElement(e){const t=e.createText(this.label),n=e.createContainerElement("div");return e.insert(e.createPositionAt(n,0),t),n}createTocDataElement(e){return e.createContainerElement("macro",{class:"toc"})}}const Md=Symbol("isOPEmbeddedTable");function Vd(e){const t=e.getSelectedElement();return!(!t||!function(e){return!!e.getCustomProperty(Md)&&Cd(e)}(t))}function Nd(e){return _.get(e.config,"_config.openProject.context.resource")}function Dd(e){return _.get(e.config,"_config.openProject.pluginContext")}function zd(e,t){return Dd(e).services[t]}function Fd(e){return zd(e,"pathHelperService")}class Bd extends cd{static get pluginName(){return"EmbeddedTableEditing"}static get buttonName(){return"insertEmbeddedTable"}init(){const e=this.editor,t=e.model,n=e.conversion,o=Dd(e);this.text={button:window.I18n.t("js.editor.macro.embedded_table.button"),macro_text:window.I18n.t("js.editor.macro.embedded_table.text")},t.schema.register("op-macro-embedded-table",{allowWhere:"$block",allowAttributes:["opEmbeddedTableQuery"],isBlock:!0,isObject:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"embedded-table"},model:(e,{writer:t})=>{const n=e.getAttribute("data-query-props");return t.createElement("op-macro-embedded-table",{opEmbeddedTableQuery:n?JSON.parse(n):{}})}}),n.for("editingDowncast").elementToElement({model:"op-macro-embedded-table",view:(e,{writer:t})=>{return n=this.createEmbeddedTableView(t),o=t,this.label,o.setCustomProperty(Md,!0,n),Ad(n,o,{label:"your label here"});var n,o}}),n.for("dataDowncast").elementToElement({model:"op-macro-embedded-table",view:(e,{writer:t})=>this.createEmbeddedTableDataElement(e,t)}),e.ui.componentFactory.add(Bd.buttonName,t=>{const n=new Hc(t);return n.set({label:this.text.button,withText:!0}),n.on("execute",()=>o.runInZone(()=>{o.services.externalQueryConfiguration.show({currentQuery:{},callback:t=>e.model.change(n=>{const o=n.createElement("op-macro-embedded-table",{opEmbeddedTableQuery:t});e.model.insertContent(o,e.model.document.selection)})})})),n})}createEmbeddedTableView(e){const t=e.createText(this.text.macro_text),n=e.createContainerElement("div");return e.insert(e.createPositionAt(n,0),t),n}createEmbeddedTableDataElement(e,t){const n=e.getAttribute("opEmbeddedTableQuery")||{};return t.createContainerElement("macro",{class:"embedded-table","data-query-props":JSON.stringify(n)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ld extends Br{constructor(e){super(e),this.domEventType="mousedown"}onDomEvent(e){this.fire(e.type,e)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const qd=[wi("arrowUp"),wi("arrowRight"),wi("arrowDown"),wi("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let e=112;e<=135;e++)qd.push(e);function jd(e){return!!e.ctrlKey||qd.includes(e.keyCode)}n(55);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const Hd=["before","after"],Wd=(new DOMParser).parseFromString('<svg viewBox="0 0 10 8" xmlns="http://www.w3.org/2000/svg"><path d="M9.055.263v3.972h-6.77M1 4.216l2-2.038m-2 2l2 2.038"/></svg>',"image/svg+xml").firstChild;class $d extends cd{static get pluginName(){return"WidgetTypeAround"}constructor(e){super(e),this._currentFakeCaretModelElement=null}init(){const e=this.editor,t=e.editing.view;this.on("change:isEnabled",(n,o,i)=>{t.change(e=>{for(const n of t.document.roots)i?e.removeClass("ck-widget__type-around_disabled",n):e.addClass("ck-widget__type-around_disabled",n)}),i||e.model.change(e=>{e.removeSelectionAttribute("widget-type-around")})}),this._enableTypeAroundUIInjection(),this._enableInsertingParagraphsOnButtonClick(),this._enableInsertingParagraphsOnEnterKeypress(),this._enableInsertingParagraphsOnTypingKeystroke(),this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows(),this._enableDeleteIntegration(),this._enableInsertContentIntegration()}destroy(){this._currentFakeCaretModelElement=null}_insertParagraph(e,t){const n=this.editor,o=n.editing.view;n.execute("insertParagraph",{position:n.model.createPositionAt(e,t)}),o.focus(),o.scrollToTheSelection()}_listenToIfEnabled(e,t,n,o){this.listenTo(e,t,(...e)=>{this.isEnabled&&n(...e)},o)}_insertParagraphAccordingToFakeCaretPosition(){const e=this.editor.model.document.selection,t=xd(e);if(!t)return!1;const n=e.getSelectedElement();return this._insertParagraph(n,t),!0}_enableTypeAroundUIInjection(){const e=this.editor,t=e.model.schema,n=e.locale.t,o={before:n("Insert paragraph before block"),after:n("Insert paragraph after block")};e.editing.downcastDispatcher.on("insert",(e,n,i)=>{const r=i.mapper.toViewElement(n.item);yd(r,n.item,t)&&function(e,t,n){const o=e.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},(function(e){const n=this.toDomElement(e);return function(e,t){for(const n of Hd){const o=new oc({tag:"div",attributes:{class:["ck","ck-widget__type-around__button","ck-widget__type-around__button_"+n],title:t[n]},children:[e.ownerDocument.importNode(Wd,!0)]});e.appendChild(o.render())}}(n,t),function(e){const t=new oc({tag:"div",attributes:{class:["ck","ck-widget__type-around__fake-caret"]}});e.appendChild(t.render())}(n),n}));e.insert(e.createPositionAt(n,"end"),o)}(i.writer,o,r)},{priority:"low"})}_enableTypeAroundFakeCaretActivationUsingKeyboardArrows(){const e=this.editor,t=e.model,n=t.document.selection,o=t.schema,i=e.editing.view;function r(e){return"ck-widget_type-around_show-fake-caret_"+e}this._listenToIfEnabled(i.document,"keydown",(e,t)=>{vi(t.keyCode)&&this._handleArrowKeyPress(e,t)},{priority:hn.get("high")+10}),this._listenToIfEnabled(n,"change:range",(t,n)=>{n.directChange&&e.model.change(e=>{e.removeSelectionAttribute("widget-type-around")})}),this._listenToIfEnabled(t.document,"change:data",()=>{const t=n.getSelectedElement();if(t){if(yd(e.editing.mapper.toViewElement(t),t,o))return}e.model.change(e=>{e.removeSelectionAttribute("widget-type-around")})}),this._listenToIfEnabled(e.editing.downcastDispatcher,"selection",(e,t,n)=>{const i=n.writer;if(this._currentFakeCaretModelElement){const e=n.mapper.toViewElement(this._currentFakeCaretModelElement);e&&(i.removeClass(Hd.map(r),e),this._currentFakeCaretModelElement=null)}const s=t.selection.getSelectedElement();if(!s)return;const a=n.mapper.toViewElement(s);if(!yd(a,s,o))return;const l=xd(t.selection);l&&(i.addClass(r(l),a),this._currentFakeCaretModelElement=s)}),this._listenToIfEnabled(e.ui.focusTracker,"change:isFocused",(t,n,o)=>{o||e.model.change(e=>{e.removeSelectionAttribute("widget-type-around")})})}_handleArrowKeyPress(e,t){const n=this.editor,o=n.model,i=o.document.selection,r=o.schema,s=n.editing.view,a=xi(t.keyCode,n.locale.contentLanguageDirection),l=s.document.selection.getSelectedElement();let c;yd(l,n.editing.mapper.toModelElement(l),r)?c=this._handleArrowKeyPressOnSelectedWidget(a):i.isCollapsed&&(c=this._handleArrowKeyPressWhenSelectionNextToAWidget(a)),c&&(t.preventDefault(),e.stop())}_handleArrowKeyPressOnSelectedWidget(e){const t=this.editor.model,n=xd(t.document.selection);return t.change(t=>{if(!n)return t.setSelectionAttribute("widget-type-around",e?"after":"before"),!0;if(!(n===(e?"after":"before")))return t.removeSelectionAttribute("widget-type-around"),!0;return!1})}_handleArrowKeyPressWhenSelectionNextToAWidget(e){const t=this.editor,n=t.model,o=n.schema,i=t.plugins.get("Widget"),r=i._getObjectElementNextToSelection(e);return!!yd(t.editing.mapper.toViewElement(r),r,o)&&(n.change(t=>{i._setSelectionOverElement(r),t.setSelectionAttribute("widget-type-around",e?"before":"after")}),!0)}_enableInsertingParagraphsOnButtonClick(){const e=this.editor,t=e.editing.view;this._listenToIfEnabled(t.document,"mousedown",(n,o)=>{const i=o.domTarget.closest(".ck-widget__type-around__button");if(!i)return;const r=function(e){return e.classList.contains("ck-widget__type-around__button_before")?"before":"after"}(i),s=function(e,t){const n=e.closest(".ck-widget");return t.mapDomToView(n)}(i,t.domConverter),a=e.editing.mapper.toModelElement(s);this._insertParagraph(a,r),o.preventDefault(),n.stop()})}_enableInsertingParagraphsOnEnterKeypress(){const e=this.editor,t=e.editing.view;this._listenToIfEnabled(t.document,"enter",(n,o)=>{const i=t.document.selection.getSelectedElement(),r=e.editing.mapper.toModelElement(i),s=e.model.schema;let a;this._insertParagraphAccordingToFakeCaretPosition()?a=!0:yd(i,r,s)&&(this._insertParagraph(r,o.isSoft?"before":"after"),a=!0),a&&(o.preventDefault(),n.stop())})}_enableInsertingParagraphsOnTypingKeystroke(){const e=this.editor.editing.view,t=[bi.enter,bi.delete,bi.backspace];this._listenToIfEnabled(e.document,"keydown",(e,n)=>{t.includes(n.keyCode)||jd(n)||this._insertParagraphAccordingToFakeCaretPosition()},{priority:hn.get("high")+1})}_enableDeleteIntegration(){const e=this.editor,t=e.editing.view,n=e.model,o=n.schema;this._listenToIfEnabled(t.document,"delete",(t,i)=>{const r=xd(n.document.selection);if(!r)return;const s=i.direction,a=n.document.selection.getSelectedElement(),l="forward"==s;if("before"===r===l)e.execute("delete",{selection:n.createSelection(a,"on")});else{const t=o.getNearestSelectionRange(n.createPositionAt(a,r),s);if(t)if(t.isCollapsed){const i=n.createSelection(t.start);if(n.modifySelection(i,{direction:s}),i.focus.isEqual(t.start)){const e=function(e,t){let n=t;for(const o of t.getAncestors({parentFirst:!0})){if(o.childCount>1||e.isLimit(o))break;n=o}return n}(o,t.start.parent);n.deleteContent(n.createSelection(e,"on"),{doNotAutoparagraph:!0})}else n.change(n=>{n.setSelection(t),e.execute(l?"forwardDelete":"delete")})}else n.change(n=>{n.setSelection(t),e.execute(l?"forwardDelete":"delete")})}i.preventDefault(),t.stop()},{priority:hn.get("high")+1})}_enableInsertContentIntegration(){const e=this.editor,t=this.editor.model,n=t.document.selection;this._listenToIfEnabled(e.model,"insertContent",(e,[o,i])=>{if(i&&!i.is("documentSelection"))return;const r=xd(n);return r?(e.stop(),t.change(e=>{const i=n.getSelectedElement(),s=t.createPositionAt(i,r),a=e.createSelection(s),l=t.insertContent(o,a);return e.setSelection(a),l})):void 0},{priority:"high"})}}n(57);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Ud(e){const t=e.model;return(n,o)=>{const i=o.keyCode==bi.arrowup,r=o.keyCode==bi.arrowdown,s=o.shiftKey,a=t.document.selection;if(!i&&!r)return;const l=r;if(s&&function(e,t){return!e.isCollapsed&&e.isBackward==t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(a,l))return;const c=function(e,t,n){const o=e.model;if(n){const e=t.isCollapsed?t.focus:t.getLastPosition(),n=Gd(o,e,"forward");if(!n)return null;const i=o.createRange(e,n),r=Kd(o.schema,i,"backward");return r&&e.isBefore(r)?o.createRange(e,r):null}{const e=t.isCollapsed?t.focus:t.getFirstPosition(),n=Gd(o,e,"backward");if(!n)return null;const i=o.createRange(n,e),r=Kd(o.schema,i,"forward");return r&&e.isAfter(r)?o.createRange(r,e):null}}(e,a,l);c&&!c.isCollapsed&&function(e,t,n){const o=e.model,i=e.view.domConverter;if(n){const e=o.createSelection(t.start);o.modifySelection(e),e.focus.isAtEnd||t.start.isEqual(e.focus)||(t=o.createRange(e.focus,t.end))}const r=e.mapper.toViewRange(t),s=i.viewRangeToDom(r),a=rs.getDomRangeRects(s);let l;for(const e of a)if(void 0!==l){if(Math.round(e.top)>=l)return!1;l=Math.max(l,Math.round(e.bottom))}else l=Math.round(e.bottom);return!0}(e,c,l)&&(t.change(e=>{const n=l?c.end:c.start;if(s){const o=t.createSelection(a.anchor);o.setFocus(n),e.setSelection(o)}else e.setSelection(n)}),n.stop(),o.preventDefault(),o.stopPropagation())}}function Gd(e,t,n){const o=e.schema,i=e.createRangeIn(t.root),r="forward"==n?"elementStart":"elementEnd";for(const{previousPosition:e,item:s,type:a}of i.getWalker({startPosition:t,direction:n})){if(o.isLimit(s)&&!o.isInline(s))return e;if(a==r&&o.isBlock(s))return null}return null}function Kd(e,t,n){const o="backward"==n?t.end:t.start;if(e.checkChild(o,"$text"))return o;for(const{nextPosition:o}of t.getWalker({direction:n}))if(e.checkChild(o,"$text"))return o}class Jd extends cd{static get pluginName(){return"Widget"}static get requires(){return[$d]}init(){const e=this.editor.editing.view,t=e.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(e,t,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const o=n.writer,i=o.document.selection,r=i.getSelectedElement();let s=null;for(const e of i.getRanges())for(const t of e){const e=t.item;Cd(e)&&!Zd(e,s)&&(o.addClass("ck-widget_selected",e),this._previouslySelected.add(e),s=e,e==r&&o.setSelection(i.getRanges(),{fake:!0,label:Ed(r)}))}},{priority:"low"}),e.addObserver(Ld),this.listenTo(t,"mousedown",(...e)=>this._onMousedown(...e)),this.listenTo(t,"keydown",(...e)=>{this._handleSelectionChangeOnArrowKeyPress(...e)},{priority:"high"}),this.listenTo(t,"keydown",(...e)=>{this._preventDefaultOnArrowKeyPress(...e)},{priority:hn.get("high")-20}),this.listenTo(t,"keydown",Ud(this.editor.editing)),this.listenTo(t,"delete",(e,t)=>{this._handleDelete("forward"==t.direction)&&(t.preventDefault(),e.stop())},{priority:"high"})}_onMousedown(e,t){const n=this.editor,o=n.editing.view,i=o.document;let r=t.target;if(function(e){for(;e;){if(e.is("editableElement")&&!e.is("rootElement"))return!0;if(Cd(e))return!1;e=e.parent}return!1}(r)){if((pi.isSafari||pi.isGecko)&&t.domEvent.detail>=3){const e=n.editing.mapper,o=r.is("attributeElement")?r.findAncestor(e=>!e.is("attributeElement")):r,i=e.toModelElement(o);t.preventDefault(),this.editor.model.change(e=>{e.setSelection(i,"in")})}return}if(!Cd(r)&&(r=r.findAncestor(Cd),!r))return;t.preventDefault(),i.isFocused||o.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_handleSelectionChangeOnArrowKeyPress(e,t){const n=t.keyCode;if(!vi(n))return;const o=this.editor.model,i=o.schema,r=o.document.selection,s=r.getSelectedElement(),a=xi(n,this.editor.locale.contentLanguageDirection);if(s&&i.isObject(s)){const n=a?r.getLastPosition():r.getFirstPosition(),s=i.getNearestSelectionRange(n,a?"forward":"backward");return void(s&&(o.change(e=>{e.setSelection(s)}),t.preventDefault(),e.stop()))}if(!r.isCollapsed)return;const l=this._getObjectElementNextToSelection(a);l&&i.isObject(l)&&(this._setSelectionOverElement(l),t.preventDefault(),e.stop())}_preventDefaultOnArrowKeyPress(e,t){if(!vi(t.keyCode))return;const n=this.editor.model,o=n.schema,i=n.document.selection.getSelectedElement();i&&o.isObject(i)&&(t.preventDefault(),e.stop())}_handleDelete(e){if(this.editor.isReadOnly)return;const t=this.editor.model.document.selection;if(!t.isCollapsed)return;const n=this._getObjectElementNextToSelection(e);return n?(this.editor.model.change(e=>{let o=t.anchor.parent;for(;o.isEmpty;){const t=o;o=t.parent,e.remove(t)}this._setSelectionOverElement(n)}),!0):void 0}_setSelectionOverElement(e){this.editor.model.change(t=>{t.setSelection(t.createRangeOn(e))})}_getObjectElementNextToSelection(e){const t=this.editor.model,n=t.schema,o=t.document.selection,i=t.createSelection(o);t.modifySelection(i,{direction:e?"forward":"backward"});const r=e?i.focus.nodeBefore:i.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(e){for(const t of this._previouslySelected)e.removeClass("ck-widget_selected",t);this._previouslySelected.clear()}}function Zd(e,t){return!!t&&Array.from(e.getAncestors()).includes(t)}n(59),n(61);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const Qd=md("px");class Yd extends cd{static get pluginName(){return"ContextualBalloon"}constructor(e){super(e),this.positionLimiter=()=>{const e=this.editor.editing.view,t=e.document.selection.editableElement;return t?e.domConverter.mapViewToDom(t.root):null},this.set("visibleView",null),this.view=new wd(e.locale),e.ui.view.body.add(this.view),e.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}hasView(e){return Array.from(this._viewToStack.keys()).includes(e)}add(e){if(this.hasView(e.view))throw new fn.a("contextualballoon-add-view-exist",[this,e]);const t=e.stackId||"main";if(!this._idToStack.has(t))return this._idToStack.set(t,new Map([[e.view,e]])),this._viewToStack.set(e.view,this._idToStack.get(t)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!e.singleViewMode||this.showStack(t));const n=this._idToStack.get(t);e.singleViewMode&&this.showStack(t),n.set(e.view,e),this._viewToStack.set(e.view,n),n===this._visibleStack&&this._showView(e)}remove(e){if(!this.hasView(e))throw new fn.a("contextualballoon-remove-view-not-exist",[this,e]);const t=this._viewToStack.get(e);this._singleViewMode&&this.visibleView===e&&(this._singleViewMode=!1),this.visibleView===e&&(1===t.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(t.values())[t.size-2])),1===t.size?(this._idToStack.delete(this._getStackId(t)),this._numberOfStacks=this._idToStack.size):t.delete(e),this._viewToStack.delete(e)}updatePosition(e){e&&(this._visibleStack.get(this.visibleView).position=e),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(e){this.visibleStack=e;const t=this._idToStack.get(e);if(!t)throw new fn.a("contextualballoon-showstack-stack-not-exist",this);this._visibleStack!==t&&this._showView(Array.from(t.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(e){return Array.from(this._idToStack.entries()).find(t=>t[1]===e)[0]}_showNextStack(){const e=Array.from(this._idToStack.values());let t=e.indexOf(this._visibleStack)+1;e[t]||(t=0),this.showStack(this._getStackId(e[t]))}_showPrevStack(){const e=Array.from(this._idToStack.values());let t=e.indexOf(this._visibleStack)-1;e[t]||(t=e.length-1),this.showStack(this._getStackId(e[t]))}_createRotatorView(){const e=new Xd(this.editor.locale),t=this.editor.locale.t;return this.view.content.add(e),e.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(e,t)=>!t&&e>1),e.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),e.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(e,n)=>{if(n<2)return"";const o=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return t("%0 of %1",[o,n])}),e.buttonNextView.on("execute",()=>{e.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),e.buttonPrevView.on("execute",()=>{e.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),e}_createFakePanelsView(){const e=new eu(this.editor.locale,this.view);return e.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(e,t)=>!t&&e>=2?Math.min(e-1,2):0),e.listenTo(this.view,"change:top",()=>e.updatePosition()),e.listenTo(this.view,"change:left",()=>e.updatePosition()),this.editor.ui.view.body.add(e),e}_showView({view:e,balloonClassName:t="",withArrow:n=!0,singleViewMode:o=!1}){this.view.class=t,this.view.withArrow=n,this._rotatorView.showView(e),this.visibleView=e,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),o&&(this._singleViewMode=!0)}_getBalloonPosition(){let e=Array.from(this._visibleStack.values()).pop().position;return e&&!e.limiter&&(e=Object.assign({},e,{limiter:this.positionLimiter})),e}}class Xd extends yc{constructor(e){super(e);const t=e.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Kl,this.buttonPrevView=this._createButtonView(t("Previous"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z"/></svg>'),this.buttonNextView=this._createButtonView(t("Next"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>'),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",e=>e?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(e){this.hideView(),this.content.add(e)}hideView(){this.content.clear()}_createButtonView(e,t){const n=new Hc(this.locale);return n.set({label:e,icon:t,tooltip:!0}),n}}class eu extends yc{constructor(e,t){super(e);const n=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=t,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",e=>e?"":"ck-hidden")],style:{top:n.to("top",Qd),left:n.to("left",Qd),width:n.to("width",Qd),height:n.to("height",Qd)}},children:this.content}),this.on("change:numberOfPanels",(e,t,n,o)=>{n>o?this._addPanels(n-o):this._removePanels(o-n),this.updatePosition()})}_addPanels(e){for(;e--;){const e=new yc;e.setTemplate({tag:"div"}),this.content.add(e),this.registerChild(e)}}_removePanels(e){for(;e--;){const e=this.content.last;this.content.remove(e),this.deregisterChild(e),e.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:e,left:t}=this._balloonPanelView,{width:n,height:o}=new rs(this._balloonPanelView.element);Object.assign(this,{top:e,left:t,width:n,height:o})}}}function tu(e,t,n){e.ui.componentFactory.add(t,t=>{const o=new Hc(t);return o.set({label:I18n.t("js.button_edit"),icon:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"  width="20" height="20"><path d="M1.586 18.227l.398-2.753.398-2.753 2.355 2.388 2.355 2.355-2.753.365zM14.954 8.01l-7.099 7.065-.763-.796 7.065-7.066-1.592-1.559L5.5 12.721l-.763-.796 7.065-7.066-.796-.796-7.861 7.862 4.71 4.71 7.861-7.828zm3.25-1.56c.398-.397.398-1.094-.033-1.525L15.02 1.775c-.431-.432-1.128-.465-1.526-.034l-.1.1-1.525 1.493 4.71 4.71 1.526-1.493-.033-.033c.033-.033.099-.033.132-.066z"/></svg>\n',tooltip:!0}),o.on("execute",()=>{const t=e.model.document.selection.getSelectedElement();t&&n(t)}),o})}function nu(e,t,n,o){const i=t.config.get(n+".toolbar");if(!i||!i.length)return;const r=t.plugins.get("ContextualBalloon"),s=new ed(t.locale);function a(){t.ui.focusTracker.isFocused&&o(t.editing.view.document.selection)?c()?function(e,t){const n=e.plugins.get("ContextualBalloon");if(t(e.editing.view.document.selection)){const t=ou(e);n.updatePosition(t)}}(t,o):r.hasView(s)||r.add({view:s,position:ou(t),balloonClassName:"ck-toolbar-container"}):l()}function l(){c()&&r.remove(s)}function c(){return r.visibleView==s}s.fillFromConfig(i,t.ui.componentFactory),e.listenTo(t.editing.view,"render",a),e.listenTo(t.ui.focusTracker,"change:isFocused",a,{priority:"low"})}function ou(e){const t=e.editing.view,n=wd.defaultPositions;return{target:t.domConverter.viewToDom(t.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class iu extends cd{static get requires(){return[Yd]}static get pluginName(){return"EmbeddedTableToolbar"}init(){const e=this.editor,t=this.editor.model,n=Dd(e);tu(e,"opEditEmbeddedTableQuery",e=>{const o=n.services.externalQueryConfiguration,i=e.getAttribute("opEmbeddedTableQuery")||{};n.runInZone(()=>{o.show({currentQuery:i,callback:n=>t.change(t=>{t.setAttribute("opEmbeddedTableQuery",n,e)})})})})}afterInit(){nu(this,this.editor,"OPMacroEmbeddedTable",Vd)}}const ru=Symbol("isWpButtonMacroSymbol");function su(e){const t=e.getSelectedElement();return!(!t||!function(e){return!!e.getCustomProperty(ru)&&Cd(e)}(t))}class au extends cd{static get pluginName(){return"OPMacroWpButtonEditing"}static get buttonName(){return"insertWorkPackageButton"}init(){const e=this.editor,t=e.model,n=e.conversion,o=Dd(e);t.schema.register("op-macro-wp-button",{allowWhere:["$block"],allowAttributes:["type","classes"],isBlock:!0,isLimit:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"create_work_package_link"},model:(e,{writer:t})=>{const n=e.getAttribute("data-type")||"",o=e.getAttribute("data-classes")||"";return t.createElement("op-macro-wp-button",{type:n,classes:o})}}),n.for("editingDowncast").elementToElement({model:"op-macro-wp-button",view:(e,{writer:t})=>this.createMacroViewElement(e,t)}),n.for("dataDowncast").elementToElement({model:"op-macro-wp-button",view:(e,{writer:t})=>t.createContainerElement("macro",{class:"create_work_package_link","data-type":e.getAttribute("type")||"","data-classes":e.getAttribute("classes")||""})}),e.ui.componentFactory.add(au.buttonName,t=>{const n=new Hc(t);return n.set({label:window.I18n.t("js.editor.macro.work_package_button.button"),withText:!0}),n.on("execute",()=>{o.services.macros.configureWorkPackageButton().then(t=>e.model.change(n=>{const o=n.createElement("op-macro-wp-button",{});n.setAttribute("type",t.type,o),n.setAttribute("classes",t.classes,o),e.model.insertContent(o,e.model.document.selection)}))}),n})}macroLabel(e){return e?window.I18n.t("js.editor.macro.work_package_button.with_type",{typename:e}):window.I18n.t("js.editor.macro.work_package_button.without_type")}createMacroViewElement(e,t){e.getAttribute("type");const n=e.getAttribute("classes")||"",o=this.macroLabel(),i=t.createText(o),r=t.createContainerElement("span",{class:n});return t.insert(t.createPositionAt(r,0),i),function(e,t,n){return t.setCustomProperty(ru,!0,e),Ad(e,t,{label:n})}(r,t,{label:o})}}class lu extends cd{static get requires(){return[Yd]}static get pluginName(){return"OPMacroWpButtonToolbar"}init(){const e=this.editor,t=(this.editor.model,Dd(e));tu(e,"opEditWpMacroButton",n=>{const o=t.services.macros,i=n.getAttribute("type"),r=n.getAttribute("classes");o.configureWorkPackageButton(i,r).then(t=>e.model.change(e=>{e.setAttribute("classes",t.classes,n),e.setAttribute("type",t.type,n)}))})}afterInit(){nu(this,this.editor,"OPMacroWpButton",su)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class cu{constructor(e){this.context=e}destroy(){this.stopListening()}static get isContextPlugin(){return!0}}Cn(cu,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class du extends cu{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new An({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(e){if("string"!=typeof e)throw new fn.a("pendingactions-add-invalid-message",this);const t=Object.create($o);return t.set("message",e),this._actions.add(t),this.hasAny=!0,t}remove(e){this._actions.remove(e),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class uu{constructor(){const e=new window.FileReader;this._reader=e,this._data=void 0,this.set("loaded",0),e.onprogress=e=>{this.loaded=e.loaded}}get error(){return this._reader.error}get data(){return this._data}read(e){const t=this._reader;return this.total=e.size,new Promise((n,o)=>{t.onload=()=>{const e=t.result;this._data=e,n(e)},t.onerror=()=>{o("error")},t.onabort=()=>{o("aborted")},this._reader.readAsDataURL(e)})}abort(){this._reader.abort()}}Cn(uu,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class hu extends cd{static get pluginName(){return"FileRepository"}static get requires(){return[du]}init(){this.loaders=new An,this.loaders.on("add",()=>this._updatePendingAction()),this.loaders.on("remove",()=>this._updatePendingAction()),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(e,t)=>t?e/t*100:0)}getLoader(e){return this._loadersMap.get(e)||null}createLoader(e){if(!this.createUploadAdapter)return Object(fn.c)("filerepository-no-upload-adapter"),null;const t=new fu(Promise.resolve(e),this.createUploadAdapter);return this.loaders.add(t),this._loadersMap.set(e,t),e instanceof Promise&&t.file.then(e=>{this._loadersMap.set(e,t)}).catch(()=>{}),t.on("change:uploaded",()=>{let e=0;for(const t of this.loaders)e+=t.uploaded;this.uploaded=e}),t.on("change:uploadTotal",()=>{let e=0;for(const t of this.loaders)t.uploadTotal&&(e+=t.uploadTotal);this.uploadTotal=e}),t}destroyLoader(e){const t=e instanceof fu?e:this.getLoader(e);t._destroy(),this.loaders.remove(t),this._loadersMap.forEach((e,n)=>{e===t&&this._loadersMap.delete(n)})}_updatePendingAction(){const e=this.editor.plugins.get(du);if(this.loaders.length){if(!this._pendingAction){const t=this.editor.t,n=e=>`${t("Upload in progress")} ${parseInt(e)}%.`;this._pendingAction=e.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else e.remove(this._pendingAction),this._pendingAction=null}}Cn(hu,$o);class fu{constructor(e,t){this.id=un(),this._filePromiseWrapper=this._createFilePromiseWrapper(e),this._adapter=t(this),this._reader=new uu,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(e,t)=>t?e/t*100:0),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(e=>this._filePromiseWrapper?e:null):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new fn.a("filerepository-read-wrong-status",this);return this.status="reading",this.file.then(e=>this._reader.read(e)).then(e=>{if("reading"!==this.status)throw this.status;return this.status="idle",e}).catch(e=>{if("aborted"===e)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:e})}upload(){if("idle"!=this.status)throw new fn.a("filerepository-upload-wrong-status",this);return this.status="uploading",this.file.then(()=>this._adapter.upload()).then(e=>(this.uploadResponse=e,this.status="idle",e)).catch(e=>{if("aborted"===this.status)throw"aborted";throw this.status="error",e})}abort(){const e=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==e?this._reader.abort():"uploading"==e&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch(()=>{}),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(e){const t={};return t.promise=new Promise((n,o)=>{t.rejecter=o,t.isFulfilled=!1,e.then(e=>{t.isFulfilled=!0,n(e)}).catch(e=>{t.isFulfilled=!0,o(e)})}),t}}Cn(fu,$o);class pu{constructor(e,t,n){this.loader=e,this.resource=t,this.editor=n}upload(){const e=this.resource;if(!e||!e.uploadAttachments){const t=e?e.name:"Missing context";return console.warn("uploadAttachments not present on context: "+t),Promise.reject("You're not allowed to upload attachments on this resource.")}return this.loader.file.then(t=>e.uploadAttachments([t]).then(e=>(this.editor.model.fire("op:attachment-added",e),this.buildResponse(e[0]))).catch(e=>{console.error("Failed upload %O",e)}))}buildResponse(e){return{default:e.uploadUrl}}abort(){return!1}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class mu extends yc{constructor(e){super(e),this.buttonView=new Hc(e),this._fileInputView=new gu(e),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",()=>{this._fileInputView.open()})}focus(){this.buttonView.focus()}}class gu extends yc{constructor(e){super(e),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const t=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:t.to("acceptedType"),multiple:t.to("allowMultipleFiles")},on:{change:t.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function bu(e){const t=e.map(e=>e.replace("+","\\+"));return new RegExp(`^image\\/(${t.join("|")})$`)}function wu(e){return new Promise((t,n)=>{const o=e.getAttribute("src");fetch(o).then(e=>e.blob()).then(e=>{const n=ku(e,o),i=n.replace("image/",""),r=new File([e],"image."+i,{type:n});t(r)}).catch(e=>e&&"TypeError"===e.name?function(e){return function(e){return new Promise((t,n)=>{const o=sr.document.createElement("img");o.addEventListener("load",()=>{const e=sr.document.createElement("canvas");e.width=o.width,e.height=o.height;e.getContext("2d").drawImage(o,0,0),e.toBlob(e=>e?t(e):n())}),o.addEventListener("error",()=>n()),o.src=e})}(e).then(t=>{const n=ku(t,e),o=n.replace("image/","");return new File([t],"image."+o,{type:n})})}(o).then(t).catch(n):n(e))})}function ku(e,t){return e.type?e.type:t.match(/data:(image\/\w+);base64/)?t.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class _u extends cd{static get pluginName(){return"ImageUploadUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("imageUpload",n=>{const o=new mu(n),i=e.commands.get("imageUpload"),r=e.config.get("image.upload.types"),s=bu(r);return o.set({acceptedType:r.map(e=>"image/"+e).join(","),allowMultipleFiles:!0}),o.buttonView.set({label:t("Insert image"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 2.97V4.5H3.2v10.12l3.71-4.08zm10.27-7.51c.6 0 1.09.47 1.09 1.05v11.84c0 .59-.49 1.06-1.09 1.06H2.79c-.6 0-1.09-.47-1.09-1.06V4.08c0-.58.49-1.05 1.1-1.05h14.38zm-5.22 5.56a1.96 1.96 0 1 1 3.4-1.96 1.96 1.96 0 0 1-3.4 1.96z"/></svg>',tooltip:!0}),o.buttonView.bind("isEnabled").to(i),o.on("done",(t,n)=>{const o=Array.from(n).filter(e=>s.test(e.type));o.length&&e.execute("imageUpload",{file:o})}),o})}}function vu(e){const t=e.getSelectedElement();return t&&function(e){return!!e.getCustomProperty("image")&&Cd(e)}(t)?t:null}function yu(e){return!!e&&e.is("element","image")}function xu(e,t={},n=null){e.change(o=>{const i=o.createElement("image",t),r=n||Sd(e.document.selection,e);e.insertContent(i,r),i.parent&&o.setSelection(i,"on")})}function Cu(e){const t=e.schema,n=e.document.selection;return function(e,t,n){const o=function(e,t){const n=Sd(e,t).parent;if(n.isEmpty&&!n.is("element","$root"))return n.parent;return n}(e,n);return t.checkChild(o,"image")}(n,t,e)&&!function(e,t){const n=e.getSelectedElement();return n&&t.isObject(n)}(n,t)&&function(e){return[...e.focus.getAncestors()].every(e=>!e.is("element","image"))}(n)}function Au(e){const t=[];for(const n of e.getChildren())t.push(n),n.is("element")&&t.push(...n.getChildren());return t.find(e=>e.is("element","img"))}n(63),n(65),n(67);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Tu extends cd{constructor(e){super(e),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 700 250"><rect rx="4"/></svg>')}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...e)=>this.uploadStatusChange(...e))}uploadStatusChange(e,t,n){const o=this.editor,i=t.item,r=i.getAttribute("uploadId");if(!n.consumable.consume(t.item,e.name))return;const s=o.plugins.get(hu),a=r?t.attributeNewValue:null,l=this.placeholder,c=o.editing.mapper.toViewElement(i),d=n.writer;if("reading"==a)return Eu(c,d),void Pu(l,c,d);if("uploading"==a){const e=s.loaders.get(r);return Eu(c,d),void(e?(Su(c,d),function(e,t,n,o){const i=function(e){const t=e.createUIElement("div",{class:"ck-progress-bar"});return e.setCustomProperty("progressBar",!0,t),t}(t);t.insert(t.createPositionAt(e,"end"),i),n.on("change:uploadedPercent",(e,t,n)=>{o.change(e=>{e.setStyle("width",n+"%",i)})})}(c,d,e,o.editing.view),function(e,t,n){if(n.data){const o=Au(e);t.setAttribute("src",n.data,o)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(c,d,e)):Pu(l,c,d))}"complete"==a&&s.loaders.get(r)&&function(e,t,n){const o=t.createUIElement("div",{class:"ck-image-upload-complete-icon"});t.insert(t.createPositionAt(e,"end"),o),setTimeout(()=>{n.change(e=>e.remove(e.createRangeOn(o)))},3e3)}(c,d,o.editing.view),function(e,t){Iu(e,t,"progressBar")}(c,d),Su(c,d),function(e,t){t.removeClass("ck-appear",e)}(c,d)}}function Eu(e,t){e.hasClass("ck-appear")||t.addClass("ck-appear",e)}function Pu(e,t,n){t.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",t);const o=Au(t);o.getAttribute("src")!==e&&n.setAttribute("src",e,o),Ru(t,"placeholder")||n.insert(n.createPositionAfter(o),function(e){const t=e.createUIElement("div",{class:"ck-upload-placeholder-loader"});return e.setCustomProperty("placeholder",!0,t),t}(n))}function Su(e,t){e.hasClass("ck-image-upload-placeholder")&&t.removeClass("ck-image-upload-placeholder",e),Iu(e,t,"placeholder")}function Ru(e,t){for(const n of e.getChildren())if(n.getCustomProperty(t))return n}function Iu(e,t,n){const o=Ru(e,n);o&&t.remove(t.createRangeOn(o))}class Ou extends cu{static get pluginName(){return"Notification"}init(){this.on("show:warning",(e,t)=>{window.alert(t.message)},{priority:"lowest"})}showSuccess(e,t={}){this._showNotification({message:e,type:"success",namespace:t.namespace,title:t.title})}showInfo(e,t={}){this._showNotification({message:e,type:"info",namespace:t.namespace,title:t.title})}showWarning(e,t={}){this._showNotification({message:e,type:"warning",namespace:t.namespace,title:t.title})}_showNotification(e){const t="show:"+e.type+(e.namespace?":"+e.namespace:"");this.fire(t,{message:e.message,type:e.type,title:e.title||""})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Mu{constructor(e){this.files=function(e){const t=e.files?Array.from(e.files):[],n=e.items?Array.from(e.items):[];if(t.length)return t;return n.filter(e=>"file"===e.kind).map(e=>e.getAsFile())}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(e),this._native=e}get types(){return this._native.types}getData(e){return this._native.getData(e)}setData(e,t){this._native.setData(e,t)}}class Vu extends Br{constructor(e){super(e);const t=this.document;function n(e,n){n.preventDefault();const o=n.dropRange?[n.dropRange]:Array.from(t.selection.getRanges()),i=new cn(t,"clipboardInput");t.fire(i,{dataTransfer:n.dataTransfer,targetRanges:o}),i.stop.called&&n.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(t,"paste",n,{priority:"low"}),this.listenTo(t,"drop",n,{priority:"low"})}onDomEvent(e){const t={dataTransfer:new Mu(e.clipboardData?e.clipboardData:e.dataTransfer)};"drop"==e.type&&(t.dropRange=function(e,t){const n=t.target.ownerDocument,o=t.clientX,i=t.clientY;let r;n.caretRangeFromPoint&&n.caretRangeFromPoint(o,i)?r=n.caretRangeFromPoint(o,i):t.rangeParent&&(r=n.createRange(),r.setStart(t.rangeParent,t.rangeOffset),r.collapse(!0));return r?e.domConverter.domRangeToView(r):e.document.selection.getFirstRange()}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(this.view,e)),this.fire(e.type,e,t)}}class Nu extends cd{static get pluginName(){return"PastePlainText"}init(){const e=this.editor.editing.view,t=e.document;let n=!1;e.addObserver(Vu),this.listenTo(t,"keydown",(e,t)=>{n=t.shiftKey}),this.listenTo(t,"clipboardInput",(e,t)=>{n&&(t.asPlainText=!0)},{priority:"high"})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const Du=["figcaption","li"];
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class zu extends cd{static get pluginName(){return"Clipboard"}static get requires(){return[Nu]}init(){const e=this.editor,t=e.model.document,n=e.editing.view,o=n.document;function i(n,i){const r=i.dataTransfer;i.preventDefault();const s=e.data.toView(e.model.getSelectedContent(t.selection));o.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}n.addObserver(Vu),this.listenTo(o,"clipboardInput",t=>{e.isReadOnly&&t.stop()},{priority:"highest"}),this.listenTo(o,"clipboardInput",(e,t)=>{const o=t.dataTransfer;let i="";var r;
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */o.getData("text/html")?i=function(e){return e.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(e,t)=>1==t.length?" ":t)}(o.getData("text/html")):o.getData("text/plain")&&(((r=(r=o.getData("text/plain")).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\r?\n\r?\n/g,"</p><p>").replace(/\r?\n/g,"<br>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).includes("</p><p>")||r.includes("<br>"))&&(r=`<p>${r}</p>`),i=r),i=this.editor.data.htmlProcessor.toView(i);const s=new cn(this,"inputTransformation");this.fire(s,{content:i,dataTransfer:o,asPlainText:t.asPlainText}),s.stop.called&&e.stop(),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(e,t)=>{if(!t.content.isEmpty){const n=this.editor.data,o=this.editor.model,i=n.toModel(t.content,"$clipboardHolder");if(0==i.childCount)return;o.change(e=>{const n=o.document.selection;if(t.asPlainText||function(e,t){if(e.childCount>1)return!1;const n=e.getChild(0);if(t.isObject(n))return!1;return 0==[...n.getAttributeKeys()].length}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(i,o.schema)){const t=Array.from(n.getAttributes()).filter(([e])=>o.schema.getAttributeProperties(e).isFormatting);n.isCollapsed||o.deleteContent(n,{doNotAutoparagraph:!0}),t.push(...n.getAttributes());const r=e.createRangeIn(i);for(const n of r.getItems())(n.is("$text")||n.is("$textProxy"))&&e.setAttributes(t,n)}o.insertContent(i)}),e.stop()}},{priority:"low"}),this.listenTo(o,"copy",i,{priority:"low"}),this.listenTo(o,"cut",(t,n)=>{e.isReadOnly?n.preventDefault():i(t,n)},{priority:"low"}),this.listenTo(o,"clipboardOutput",(n,o)=>{o.content.isEmpty||(o.dataTransfer.setData("text/html",this.editor.data.htmlProcessor.toData(o.content)),o.dataTransfer.setData("text/plain",function e(t){let n="";if(t.is("$text")||t.is("$textProxy"))n=t.data;else if(t.is("element","img")&&t.hasAttribute("alt"))n=t.getAttribute("alt");else if(t.is("element","br"))n="\n";else{let o=null;for(const i of t.getChildren()){const t=e(i);o&&(o.is("containerElement")||i.is("containerElement"))&&(Du.includes(o.name)||Du.includes(i.name)?n+="\n":n+="\n\n"),n+=t,o=i}}return n}(o.content))),"cut"==o.method&&e.model.deleteContent(t.selection)},{priority:"low"})}}class Fu{constructor(e){this.document=e}createDocumentFragment(e){return new Ri(this.document,e)}createElement(e,t,n){return new Do(this.document,e,t,n)}createText(e){return new Dn(this.document,e)}clone(e,t=!1){return e._clone(t)}appendChild(e,t){return t._appendChild(e)}insertChild(e,t,n){return n._insertChild(e,t)}removeChildren(e,t,n){return n._removeChildren(e,t)}remove(e){const t=e.parent;return t?this.removeChildren(t.getChildIndex(e),1,t):[]}replace(e,t){const n=e.parent;if(n){const o=n.getChildIndex(e);return this.removeChildren(o,1,n),this.insertChild(o,t,n),!0}return!1}unwrapElement(e){const t=e.parent;if(t){const n=t.getChildIndex(e);this.remove(e),this.insertChild(n,e.getChildren(),t)}}rename(e,t){const n=new Do(this.document,e,t.getAttributes(),t.getChildren());return this.replace(t,n)?n:null}setAttribute(e,t,n){n._setAttribute(e,t)}removeAttribute(e,t){t._removeAttribute(e)}addClass(e,t){t._addClass(e)}removeClass(e,t){t._removeClass(e)}setStyle(e,t,n){x(e)&&void 0===n&&(n=t),n._setStyle(e,t)}removeStyle(e,t){t._removeStyle(e)}setCustomProperty(e,t,n){n._setCustomProperty(e,t)}removeCustomProperty(e,t){return t._removeCustomProperty(e)}createPositionAt(e,t){return ti._createAt(e,t)}createPositionAfter(e){return ti._createAfter(e)}createPositionBefore(e){return ti._createBefore(e)}createRange(e,t){return new ni(e,t)}createRangeOn(e){return ni._createOn(e)}createRangeIn(e){return ni._createIn(e)}createSelection(e,t,n){return new ri(e,t,n)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Bu{constructor(e){this.editor=e,this.set("value",void 0),this.set("isEnabled",!1),this._disableStack=new Set,this.decorate("execute"),this.listenTo(this.editor.model.document,"change",()=>{this.refresh()}),this.on("execute",e=>{this.isEnabled||e.stop()},{priority:"high"}),this.listenTo(e,"change:isReadOnly",(e,t,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(e){this._disableStack.add(e),1==this._disableStack.size&&(this.on("set:isEnabled",Lu,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(e){this._disableStack.delete(e),0==this._disableStack.size&&(this.off("set:isEnabled",Lu),this.refresh())}execute(){}destroy(){this.stopListening()}}function Lu(e){e.return=!1,e.stop()}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */Cn(Bu,$o);class qu extends Bu{refresh(){const e=this.editor.model.document.selection.getSelectedElement(),t=e&&"image"===e.name||!1;this.isEnabled=Cu(this.editor.model)||t}execute(e){const t=this.editor,n=t.model,o=t.plugins.get(hu);for(const t of En(e.file))ju(n,o,t)}}function ju(e,t,n){const o=t.createLoader(n);o&&xu(e,{uploadId:o.id})}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Hu extends cd{static get requires(){return[hu,Ou,zu]}static get pluginName(){return"ImageUploadEditing"}constructor(e){super(e),e.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const e=this.editor,t=e.model.document,n=e.model.schema,o=e.conversion,i=e.plugins.get(hu),r=bu(e.config.get("image.upload.types"));n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),e.commands.add("imageUpload",new qu(e)),o.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(e.editing.view.document,"clipboardInput",(t,n)=>{if(o=n.dataTransfer,Array.from(o.types).includes("text/html")&&""!==o.getData("text/html"))return;var o;const i=Array.from(n.dataTransfer.files).filter(e=>!!e&&r.test(e.type)),s=n.targetRanges.map(t=>e.editing.mapper.toModelRange(t));e.model.change(n=>{n.setSelection(s),i.length&&(t.stop(),e.model.enqueueChange("default",()=>{e.execute("imageUpload",{file:i})}))})}),this.listenTo(e.plugins.get(zu),"inputTransformation",(t,n)=>{const o=Array.from(e.editing.view.createRangeIn(n.content)).filter(e=>{return!(!(t=e.item).is("element","img")||!t.getAttribute("src"))&&(t.getAttribute("src").match(/^data:image\/\w+;base64,/g)||t.getAttribute("src").match(/^blob:/g))&&!e.item.getAttribute("uploadProcessed");var t}).map(e=>({promise:wu(e.item),imageElement:e.item}));if(!o.length)return;const r=new Fu(e.editing.view.document);for(const e of o){r.setAttribute("uploadProcessed",!0,e.imageElement);const t=i.createLoader(e.promise);t&&(r.setAttribute("src","",e.imageElement),r.setAttribute("uploadId",t.id,e.imageElement))}}),e.editing.view.document.on("dragover",(e,t)=>{t.preventDefault()}),t.on("change",()=>{const n=t.differ.getChanges({includeChangesInGraveyard:!0});for(const t of n)if("insert"==t.type&&"$text"!=t.name){const n=t.position.nodeAfter,o="$graveyard"==t.position.root.rootName;for(const t of Wu(e,n)){const e=t.getAttribute("uploadId");if(!e)continue;const n=i.loaders.get(e);n&&(o?n.abort():"idle"==n.status&&this._readAndUpload(n,t))}}})}_readAndUpload(e,t){const n=this.editor,o=n.model,i=n.locale.t,r=n.plugins.get(hu),s=n.plugins.get(Ou);return o.enqueueChange("transparent",e=>{e.setAttribute("uploadStatus","reading",t)}),e.read().then(()=>{const i=e.upload();if(pi.isSafari){const e=Au(n.editing.mapper.toViewElement(t));n.editing.view.once("render",()=>{if(!e.parent)return;const t=n.editing.view.domConverter.mapViewToDom(e.parent);if(!t)return;const o=t.style.display;t.style.display="none",t._ckHack=t.offsetHeight,t.style.display=o})}return o.enqueueChange("transparent",e=>{e.setAttribute("uploadStatus","uploading",t)}),i}).then(e=>{o.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:e.default},t),this._parseAndSetSrcsetAttributeOnImage(e,t,n)}),a()}).catch(n=>{if("error"!==e.status&&"aborted"!==e.status)throw n;"error"==e.status&&n&&s.showWarning(n,{title:i("Upload failed"),namespace:"upload"}),a(),o.enqueueChange("transparent",e=>{e.remove(t)})});function a(){o.enqueueChange("transparent",e=>{e.removeAttribute("uploadId",t),e.removeAttribute("uploadStatus",t)}),r.destroyLoader(e)}}_parseAndSetSrcsetAttributeOnImage(e,t,n){let o=0;const i=Object.keys(e).filter(e=>{const t=parseInt(e,10);if(!isNaN(t))return o=Math.max(o,t),!0}).map(t=>`${e[t]} ${t}w`).join(", ");""!=i&&n.setAttribute("srcset",{data:i,width:o},t)}}function Wu(e,t){return Array.from(e.model.createRangeOn(t)).filter(e=>e.item.is("element","image")).map(e=>e.item)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class $u extends cd{static get pluginName(){return"ImageUpload"}static get requires(){return[Hu,_u,Tu]}}const Uu=Symbol("isWpButtonMacroSymbol");function Gu(e){const t=e.getSelectedElement();return!(!t||!function(e){return!!e.getCustomProperty(Uu)&&Cd(e)}(t))}class Ku extends cd{static get pluginName(){return"OPChildPagesEditing"}static get buttonName(){return"insertChildPages"}init(){const e=this.editor,t=e.model,n=e.conversion;t.schema.register("op-macro-child-pages",{allowWhere:["$block"],allowAttributes:["page"],isBlock:!0,isLimit:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"child_pages"},model:(e,{writer:t})=>{const n=e.getAttribute("data-page")||"",o="true"==e.getAttribute("data-include-parent");return t.createElement("op-macro-child-pages",{page:n,includeParent:o})}}),n.for("editingDowncast").elementToElement({model:"op-macro-child-pages",view:(e,{writer:t})=>this.createMacroViewElement(e,t)}).add(e=>e.on("attribute:page",this.modelAttributeToView.bind(this))).add(e=>e.on("attribute:includeParent",this.modelAttributeToView.bind(this))),n.for("dataDowncast").elementToElement({model:"op-macro-child-pages",view:(e,{writer:t})=>t.createContainerElement("macro",{class:"child_pages","data-page":e.getAttribute("page")||"","data-include-parent":e.getAttribute("includeParent")||""})}),e.ui.componentFactory.add(Ku.buttonName,t=>{const n=new Hc(t);return n.set({label:window.I18n.t("js.editor.macro.child_pages.button"),withText:!0}),n.on("execute",()=>{e.model.change(t=>{const n=t.createElement("op-macro-child-pages",{});e.model.insertContent(n,e.model.document.selection)})}),n})}modelAttributeToView(e,t,n){const o=t.item;if(!o.is("element","op-macro-child-pages"))return;n.consumable.consume(t.item,e.name);const i=n.mapper.toViewElement(o);n.writer.remove(n.writer.createRangeIn(i)),this.setPlaceholderContent(n.writer,o,i)}macroLabel(){return window.I18n.t("js.editor.macro.child_pages.text")}pageLabel(e){return e&&e.length>0?e:window.I18n.t("js.editor.macro.child_pages.this_page")}includeParentText(e){return e?` (${window.I18n.t("js.editor.macro.child_pages.include_parent")})`:""}createMacroViewElement(e,t){const n=t.createContainerElement("div");return this.setPlaceholderContent(t,e,n),function(e,t,n){return t.setCustomProperty(Uu,!0,e),Ad(e,t,{label:n})}(n,t,{label:this.macroLabel()})}setPlaceholderContent(e,t,n){const o=t.getAttribute("page"),i=t.getAttribute("includeParent"),r=this.macroLabel(),s=this.pageLabel(o),a=e.createContainerElement("span",{class:"macro-value"});let l=[e.createText(r+" ")];e.insert(e.createPositionAt(a,0),e.createText(""+s)),l.push(a),l.push(e.createText(this.includeParentText(i))),e.insert(e.createPositionAt(n,0),l)}}class Ju extends cd{static get requires(){return[Yd]}static get pluginName(){return"OPChildPagesToolbar"}init(){const e=this.editor,t=this.editor.model,n=Dd(e);tu(e,"opEditChildPagesMacroButton",e=>{const o=n.services.macros,i=e.getAttribute("page"),r=e.getAttribute("includeParent"),s=i&&i.length>0?i:"";o.configureChildPages(s,r).then(n=>t.change(t=>{t.setAttribute("page",n.page,e),t.setAttribute("includeParent",n.includeParent,e)}))})}afterInit(){nu(this,this.editor,"OPChildPages",Gu)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function*Zu(e,t){for(const n of t)n&&e.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Qu extends Bu{execute(){const e=this.editor.model,t=e.document;e.change(n=>{!function(e,t,n,o){const i=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(o.isLimit(s)||o.isLimit(a))return void(i||s!=a||e.deleteContent(n));if(i){const e=Zu(t.model.schema,n.getAttributes());Yu(t,r.start),t.setSelectionAttribute(e)}else{const o=!(r.start.isAtStart&&r.end.isAtEnd),i=s==a;e.deleteContent(n,{leaveUnmerged:o}),o&&(i?Yu(t,n.focus):t.setSelection(a,0))}}(this.editor.model,n,t.selection,e.schema),this.fire("afterExecute",{writer:n})})}}function Yu(e,t){e.split(t),e.setSelection(t.parent.nextSibling,0)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Xu extends wr{constructor(e){super(e);const t=this.document;t.on("keydown",(e,n)=>{if(this.isEnabled&&n.keyCode==bi.enter){let o;t.once("enter",e=>o=e,{priority:"highest"}),t.fire("enter",new Fr(t,n.domEvent,{isSoft:n.shiftKey})),o&&o.stop.called&&e.stop()}})}observe(){}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class eh extends cd{static get pluginName(){return"Enter"}init(){const e=this.editor,t=e.editing.view,n=t.document;t.addObserver(Xu),e.commands.add("enter",new Qu(e)),this.listenTo(n,"enter",(n,o)=>{o.preventDefault(),o.isSoft||(e.execute("enter"),t.scrollToTheSelection())},{priority:"low"})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class th extends Bu{execute(){const e=this.editor.model,t=e.document;e.change(n=>{!function(e,t,n){const o=n.isCollapsed,i=n.getFirstRange(),r=i.start.parent,s=i.end.parent,a=r==s;if(o){const o=Zu(e.schema,n.getAttributes());nh(e,t,i.end),t.removeSelectionAttribute(n.getAttributeKeys()),t.setSelectionAttribute(o)}else{const o=!(i.start.isAtStart&&i.end.isAtEnd);e.deleteContent(n,{leaveUnmerged:o}),a?nh(e,t,n.focus):o&&t.setSelection(s,0)}}(e,n,t.selection),this.fire("afterExecute",{writer:n})})}refresh(){const e=this.editor.model,t=e.document;this.isEnabled=function(e,t){if(t.rangeCount>1)return!1;const n=t.anchor;if(!n||!e.checkChild(n,"softBreak"))return!1;const o=t.getFirstRange(),i=o.start.parent,r=o.end.parent;if((oh(i,e)||oh(r,e))&&i!==r)return!1;return!0}(e.schema,t.selection)}}function nh(e,t,n){const o=t.createElement("softBreak");e.insertContent(o,n),t.setSelection(o,"after")}function oh(e,t){return!e.is("rootElement")&&(t.isLimit(e)||oh(e.parent,t))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ih extends cd{static get pluginName(){return"ShiftEnter"}init(){const e=this.editor,t=e.model.schema,n=e.conversion,o=e.editing.view,i=o.document;t.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(e,{writer:t})=>t.createEmptyElement("br")}),o.addObserver(Xu),e.commands.add("shiftEnter",new th(e)),this.listenTo(i,"enter",(t,n)=>{n.preventDefault(),n.isSoft&&(e.execute("shiftEnter"),o.scrollToTheSelection())},{priority:"low"})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class rh extends Bu{execute(){const e=this.editor.model,t=e.document.selection;let n=e.schema.getLimitElement(t);if(t.containsEntireContent(n)||!sh(e.schema,n))do{if(n=n.parent,!n)return}while(!sh(e.schema,n));e.change(e=>{e.setSelection(n,"in")})}}function sh(e,t){return e.isLimit(t)&&(e.checkChild(t,"$text")||e.checkChild(t,"paragraph"))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const ah=ki("Ctrl+A");class lh extends cd{static get pluginName(){return"SelectAllEditing"}init(){const e=this.editor,t=e.editing.view.document;e.commands.add("selectAll",new rh(e)),this.listenTo(t,"keydown",(t,n)=>{wi(n)===ah&&(e.execute("selectAll"),n.preventDefault())})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class ch extends cd{static get pluginName(){return"SelectAllUI"}init(){const e=this.editor;e.ui.componentFactory.add("selectAll",t=>{const n=e.commands.get("selectAll"),o=new Hc(t),i=t.t;return o.set({label:i("Select all"),icon:'<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><path d="M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z"/></svg>',keystroke:"Ctrl+A",tooltip:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute("selectAll"),e.editing.view.focus()}),o})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class dh extends cd{static get requires(){return[lh,ch]}static get pluginName(){return"SelectAll"}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class uh{constructor(e,t=20){this.model=e,this.size=0,this.limit=t,this.isLocked=!1,this._changeCallback=(e,t)=>{"transparent"!=t.type&&t!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(e){this.size+=e,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(e){this.isLocked&&!e||(this._batch=null,this.size=0)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class hh extends Bu{constructor(e,t){super(e),this._buffer=new uh(e.model,t),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(e={}){const t=this.editor.model,n=t.document,o=e.text||"",i=o.length,r=e.range?t.createSelection(e.range):n.selection,s=e.resultRange;t.enqueueChange(this._buffer.batch,e=>{this._buffer.lock(),this._batches.add(this._buffer.batch),t.deleteContent(r),o&&t.insertContent(e.createText(o,n.selection.getAttributes()),r),s?e.setSelection(s):r.is("documentSelection")||e.setSelection(r),this._buffer.unlock(),this._buffer.input(i)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function fh(e){if(e.newChildren.length-e.oldChildren.length!=1)return;const t=function(e,t){const n=[];let o,i=0;return e.forEach(e=>{"equal"==e?(r(),i++):"insert"==e?(s("insert")?o.values.push(t[i]):(r(),o={type:"insert",index:i,values:[t[i]]}),i++):s("delete")?o.howMany++:(r(),o={type:"delete",index:i,howMany:1})}),r(),n;function r(){o&&(n.push(o),o=null)}function s(e){return o&&o.type==e}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(Yi(e.oldChildren,e.newChildren,ph),e.newChildren);if(t.length>1)return;const n=t[0];return n.values[0]&&n.values[0].is("$text")?n:void 0}function ph(e,t){return e&&e.is("$text")&&t&&t.is("$text")?e.data===t.data:e===t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class mh{constructor(e){this.editor=e,this.editing=this.editor.editing}handle(e,t){if(function(e){if(0==e.length)return!1;for(const t of e)if("children"===t.type&&!fh(t))return!0;return!1}(e))this._handleContainerChildrenMutations(e,t);else for(const n of e)this._handleTextMutation(n,t),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(e,t){const n=function(e){const t=e.map(e=>e.node).reduce((e,t)=>e.getCommonAncestor(t,{includeSelf:!0}));if(!t)return;return t.getAncestors({includeSelf:!0,parentFirst:!0}).find(e=>e.is("containerElement")||e.is("rootElement"))}(e);if(!n)return;const o=this.editor.editing.view.domConverter.mapViewToDom(n),i=new dr(this.editor.editing.view.document),r=this.editor.data.toModel(i.domToView(o)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),l=Array.from(s.getChildren()),c=a[a.length-1],d=l[l.length-1],u=c&&c.is("element","softBreak"),h=d&&!d.is("element","softBreak");u&&h&&a.pop();const f=this.editor.model.schema;if(!gh(a,f)||!gh(l,f))return;const p=a.map(e=>e.is("$text")?e.data:"@").join("").replace(/\u00A0/g," "),m=l.map(e=>e.is("$text")?e.data:"@").join("").replace(/\u00A0/g," ");if(m===p)return;const g=Yi(m,p),{firstChangeAt:b,insertions:w,deletions:k}=bh(g);let _=null;t&&(_=this.editing.mapper.toModelRange(t.getFirstRange()));const v=p.substr(b,w),y=this.editor.model.createRange(this.editor.model.createPositionAt(s,b),this.editor.model.createPositionAt(s,b+k));this.editor.execute("input",{text:v,range:y,resultRange:_})}_handleTextMutation(e,t){if("text"!=e.type)return;const n=e.newText.replace(/\u00A0/g," "),o=e.oldText.replace(/\u00A0/g," ");if(o===n)return;const i=Yi(o,n),{firstChangeAt:r,insertions:s,deletions:a}=bh(i);let l=null;t&&(l=this.editing.mapper.toModelRange(t.getFirstRange()));const c=this.editing.view.createPositionAt(e.node,r),d=this.editing.mapper.toModelPosition(c),u=this.editor.model.createRange(d,d.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:u,resultRange:l})}_handleTextNodeInsertion(e){if("children"!=e.type)return;const t=fh(e),n=this.editing.view.createPositionAt(e.node,t.index),o=this.editing.mapper.toModelPosition(n),i=t.values[0].data;this.editor.execute("input",{text:i.replace(/\u00A0/g," "),range:this.editor.model.createRange(o)})}}function gh(e,t){return e.every(e=>t.isInline(e))}function bh(e){let t=null,n=null;for(let o=0;o<e.length;o++){"equal"!=e[o]&&(t=null===t?o:t,n=o)}let o=0,i=0;for(let r=t;r<=n;r++)"insert"!=e[r]&&o++,"delete"!=e[r]&&i++;return{insertions:i,deletions:o,firstChangeAt:t}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class wh extends cd{static get pluginName(){return"Input"}init(){const e=this.editor,t=new hh(e,e.config.get("typing.undoStep")||20);e.commands.add("input",t),function(e){let t=null;const n=e.model,o=e.editing.view,i=e.commands.get("input");function r(e){const r=n.document,a=o.document.isComposing,l=t&&t.isEqual(r.selection);t=null,i.isEnabled&&(jd(e)||r.selection.isCollapsed||a&&229===e.keyCode||!a&&229===e.keyCode&&l||s())}function s(){const e=i.buffer;e.lock();const t=e.batch;i._batches.add(t),n.enqueueChange(t,()=>{n.deleteContent(n.document.selection)}),e.unlock()}pi.isAndroid?o.document.on("beforeinput",(e,t)=>r(t),{priority:"lowest"}):o.document.on("keydown",(e,t)=>r(t),{priority:"lowest"}),o.document.on("compositionstart",(function(){const e=n.document,t=1!==e.selection.rangeCount||e.selection.getFirstRange().isFlat;if(e.selection.isCollapsed||t)return;s()}),{priority:"lowest"}),o.document.on("compositionend",()=>{t=n.createSelection(n.document.selection)},{priority:"lowest"})}(e),function(e){e.editing.view.document.on("mutations",(t,n,o)=>{new mh(e).handle(n,o)})}(e)}isInput(e){return this.editor.commands.get("input")._batches.has(e)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class kh extends Bu{constructor(e,t){super(e),this.direction=t,this._buffer=new uh(e.model,e.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(e={}){const t=this.editor.model,n=t.document;t.enqueueChange(this._buffer.batch,o=>{this._buffer.lock();const i=o.createSelection(e.selection||n.selection),r=e.sequence||1,s=i.isCollapsed;if(i.isCollapsed&&t.modifySelection(i,{direction:this.direction,unit:e.unit}),this._shouldEntireContentBeReplacedWithParagraph(r))return void this._replaceEntireContentWithParagraph(o);if(this._shouldReplaceFirstBlockWithParagraph(i,r))return void this.editor.execute("paragraph",{selection:i});if(i.isCollapsed)return;let a=0;i.getFirstRange().getMinimalFlatRanges().forEach(e=>{a+=ii(e.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),t.deleteContent(i,{doNotResetEntireContent:s,direction:this.direction}),this._buffer.input(a),o.setSelection(i),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(e){if(e>1)return!1;const t=this.editor.model,n=t.document.selection,o=t.schema.getLimitElement(n);if(!(n.isCollapsed&&n.containsEntireContent(o)))return!1;if(!t.schema.checkChild(o,"paragraph"))return!1;const i=o.getChild(0);return!i||"paragraph"!==i.name}_replaceEntireContentWithParagraph(e){const t=this.editor.model,n=t.document.selection,o=t.schema.getLimitElement(n),i=e.createElement("paragraph");e.remove(e.createRangeIn(o)),e.insert(i,o),e.setSelection(i,0)}_shouldReplaceFirstBlockWithParagraph(e,t){const n=this.editor.model;if(t>1||"backward"!=this.direction)return!1;if(!e.isCollapsed)return!1;const o=e.getFirstPosition(),i=n.schema.getLimitElement(o),r=i.getChild(0);return o.parent==r&&(!!e.containsEntireContent(r)&&(!!n.schema.checkChild(i,"paragraph")&&"paragraph"!=r.name))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class _h extends wr{constructor(e){super(e);const t=e.document;let n=0;function o(e,n,o){let i;t.once("delete",e=>i=e,{priority:Number.POSITIVE_INFINITY}),t.fire("delete",new Fr(t,n,o)),i&&i.stop.called&&e.stop()}t.on("keyup",(e,t)=>{t.keyCode!=bi.delete&&t.keyCode!=bi.backspace||(n=0)}),t.on("keydown",(e,t)=>{const i={};if(t.keyCode==bi.delete)i.direction="forward",i.unit="character";else{if(t.keyCode!=bi.backspace)return;i.direction="backward",i.unit="codePoint"}const r=pi.isMac?t.altKey:t.ctrlKey;i.unit=r?"word":i.unit,i.sequence=++n,o(e,t.domEvent,i)}),pi.isAndroid&&t.on("beforeinput",(t,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const i={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(i.selectionToRemove=e.domConverter.domSelectionToView(r)),o(t,n.domEvent,i)})}observe(){}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class vh extends cd{static get pluginName(){return"Delete"}init(){const e=this.editor,t=e.editing.view,n=t.document;if(t.addObserver(_h),e.commands.add("forwardDelete",new kh(e,"forward")),e.commands.add("delete",new kh(e,"backward")),this.listenTo(n,"delete",(n,o)=>{const i={unit:o.unit,sequence:o.sequence};if(o.selectionToRemove){const t=e.model.createSelection(),n=[];for(const t of o.selectionToRemove.getRanges())n.push(e.editing.mapper.toModelRange(t));t.setTo(n),i.selection=t}e.execute("forward"==o.direction?"forwardDelete":"delete",i),o.preventDefault(),t.scrollToTheSelection()}),pi.isAndroid){let e=null;this.listenTo(n,"delete",(t,n)=>{const o=n.domTarget.ownerDocument.defaultView.getSelection();e={anchorNode:o.anchorNode,anchorOffset:o.anchorOffset,focusNode:o.focusNode,focusOffset:o.focusOffset}},{priority:"lowest"}),this.listenTo(n,"keyup",(t,n)=>{if(e){const t=n.domTarget.ownerDocument.defaultView.getSelection();t.collapse(e.anchorNode,e.anchorOffset),t.extend(e.focusNode,e.focusOffset),e=null}})}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class yh extends cd{static get requires(){return[wh,vh]}static get pluginName(){return"Typing"}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const xh=new Map;function Ch(e,t,n){let o=xh.get(e);o||(o=new Map,xh.set(e,o)),o.set(t,n)}function Ah(e){return[e]}function Th(e,t,n={}){const o=function(e,t){const n=xh.get(e);return n&&n.has(t)?n.get(t):Ah}(e.constructor,t.constructor);try{return o(e=e.clone(),t,n)}catch(e){throw e}}function Eh(e,t,n){e=e.slice(),t=t.slice();const o=new Ph(n.document,n.useRelations,n.forceWeakRemove);o.setOriginalOperations(e),o.setOriginalOperations(t);const i=o.originalOperations;if(0==e.length||0==t.length)return{operationsA:e,operationsB:t,originalOperations:i};const r=new WeakMap;for(const t of e)r.set(t,0);const s={nextBaseVersionA:e[e.length-1].baseVersion+1,nextBaseVersionB:t[t.length-1].baseVersion+1,originalOperationsACount:e.length,originalOperationsBCount:t.length};let a=0;for(;a<e.length;){const n=e[a],i=r.get(n);if(i==t.length){a++;continue}const s=t[i],l=Th(n,s,o.getContext(n,s,!0)),c=Th(s,n,o.getContext(s,n,!1));o.updateRelation(n,s),o.setOriginalOperations(l,n),o.setOriginalOperations(c,s);for(const e of l)r.set(e,i+c.length);e.splice(a,1,...l),t.splice(i,1,...c)}if(n.padWithNoOps){const n=e.length-s.originalOperationsACount,o=t.length-s.originalOperationsBCount;Rh(e,o-n),Rh(t,n-o)}return Sh(e,s.nextBaseVersionB),Sh(t,s.nextBaseVersionA),{operationsA:e,operationsB:t,originalOperations:i}}class Ph{constructor(e,t,n=!1){this.originalOperations=new Map,this._history=e.history,this._useRelations=t,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(e,t=null){const n=t?this.originalOperations.get(t):null;for(const t of e)this.originalOperations.set(t,n||t)}updateRelation(e,t){switch(e.constructor){case Qa:switch(t.constructor){case nl:e.targetPosition.isEqual(t.sourcePosition)||t.movedRange.containsPosition(e.targetPosition)?this._setRelation(e,t,"insertAtSource"):e.targetPosition.isEqual(t.deletionPosition)?this._setRelation(e,t,"insertBetween"):e.targetPosition.isAfter(t.sourcePosition)&&this._setRelation(e,t,"moveTargetAfter");break;case Qa:e.targetPosition.isEqual(t.sourcePosition)||e.targetPosition.isBefore(t.sourcePosition)?this._setRelation(e,t,"insertBefore"):this._setRelation(e,t,"insertAfter")}break;case ol:switch(t.constructor){case nl:e.splitPosition.isBefore(t.sourcePosition)&&this._setRelation(e,t,"splitBefore");break;case Qa:(e.splitPosition.isEqual(t.sourcePosition)||e.splitPosition.isBefore(t.sourcePosition))&&this._setRelation(e,t,"splitBefore")}break;case nl:switch(t.constructor){case nl:e.targetPosition.isEqual(t.sourcePosition)||this._setRelation(e,t,"mergeTargetNotMoved"),e.sourcePosition.isEqual(t.targetPosition)&&this._setRelation(e,t,"mergeSourceNotMoved"),e.sourcePosition.isEqual(t.sourcePosition)&&this._setRelation(e,t,"mergeSameElement");break;case ol:e.sourcePosition.isEqual(t.splitPosition)&&this._setRelation(e,t,"splitAtSource")}break;case Xa:{const n=e.newRange;if(!n)return;switch(t.constructor){case Qa:{const o=Rs._createFromPositionAndShift(t.sourcePosition,t.howMany),i=o.containsPosition(n.start)||o.start.isEqual(n.start),r=o.containsPosition(n.end)||o.end.isEqual(n.end);!i&&!r||o.containsRange(n)||this._setRelation(e,t,{side:i?"left":"right",path:i?n.start.path.slice():n.end.path.slice()});break}case nl:{const o=n.start.isEqual(t.targetPosition),i=n.start.isEqual(t.deletionPosition),r=n.end.isEqual(t.deletionPosition),s=n.end.isEqual(t.sourcePosition);(o||i||r||s)&&this._setRelation(e,t,{wasInLeftElement:o,wasStartBeforeMergedElement:i,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(e,t,n){return{aIsStrong:n,aWasUndone:this._wasUndone(e),bWasUndone:this._wasUndone(t),abRelation:this._useRelations?this._getRelation(e,t):null,baRelation:this._useRelations?this._getRelation(t,e):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(e){const t=this.originalOperations.get(e);return t.wasUndone||this._history.isUndoneOperation(t)}_getRelation(e,t){const n=this.originalOperations.get(t),o=this._history.getUndoneOperation(n);if(!o)return null;const i=this.originalOperations.get(e),r=this._relations.get(i);return r&&r.get(o)||null}_setRelation(e,t,n){const o=this.originalOperations.get(e),i=this.originalOperations.get(t);let r=this._relations.get(o);r||(r=new Map,this._relations.set(o,r)),r.set(i,n)}}function Sh(e,t){for(const n of e)n.baseVersion=t++}function Rh(e,t){for(let n=0;n<t;n++)e.push(new yl(0))}function Ih(e,t,n){const o=e.nodes.getNode(0).getAttribute(t);if(o==n)return null;const i=new Rs(e.position,e.position.getShiftedBy(e.howMany));return new Ja(i,t,o,n,0)}function Oh(e,t){return null===e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany)}function Mh(e,t){const n=[];for(let o=0;o<e.length;o++){const i=e[o],r=new Qa(i.start,i.end.offset-i.start.offset,t,0);n.push(r);for(let t=o+1;t<e.length;t++)e[t]=e[t]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];t=t._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */Ch(Ja,Ja,(e,t,n)=>{if(e.key===t.key&&e.range.start.hasSameParentAs(t.range.start)){const o=e.range.getDifference(t.range).map(t=>new Ja(t,e.key,e.oldValue,e.newValue,0)),i=e.range.getIntersection(t.range);return i&&n.aIsStrong&&o.push(new Ja(i,t.key,t.newValue,e.newValue,0)),0==o.length?[new yl(0)]:o}return[e]}),Ch(Ja,Ya,(e,t)=>{if(e.range.start.hasSameParentAs(t.position)&&e.range.containsPosition(t.position)){const n=e.range._getTransformedByInsertion(t.position,t.howMany,!t.shouldReceiveAttributes).map(t=>new Ja(t,e.key,e.oldValue,e.newValue,e.baseVersion));if(t.shouldReceiveAttributes){const o=Ih(t,e.key,e.oldValue);o&&n.unshift(o)}return n}return e.range=e.range._getTransformedByInsertion(t.position,t.howMany,!1)[0],[e]}),Ch(Ja,nl,(e,t)=>{const n=[];e.range.start.hasSameParentAs(t.deletionPosition)&&(e.range.containsPosition(t.deletionPosition)||e.range.start.isEqual(t.deletionPosition))&&n.push(Rs._createFromPositionAndShift(t.graveyardPosition,1));const o=e.range._getTransformedByMergeOperation(t);return o.isCollapsed||n.push(o),n.map(t=>new Ja(t,e.key,e.oldValue,e.newValue,e.baseVersion))}),Ch(Ja,Qa,(e,t)=>function(e,t){const n=Rs._createFromPositionAndShift(t.sourcePosition,t.howMany);let o=null,i=[];n.containsRange(e,!0)?o=e:e.start.hasSameParentAs(n.start)?(i=e.getDifference(n),o=e.getIntersection(n)):i=[e];const r=[];for(let e of i){e=e._getTransformedByDeletion(t.sourcePosition,t.howMany);const n=t.getMovedRangeStart(),o=e.start.hasSameParentAs(n);e=e._getTransformedByInsertion(n,t.howMany,o),r.push(...e)}o&&r.push(o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!1)[0]);return r}(e.range,t).map(t=>new Ja(t,e.key,e.oldValue,e.newValue,e.baseVersion))),Ch(Ja,ol,(e,t)=>{if(e.range.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.range.end.offset++,[e];if(e.range.start.hasSameParentAs(t.splitPosition)&&e.range.containsPosition(t.splitPosition)){const n=e.clone();return n.range=new Rs(t.moveTargetPosition.clone(),e.range.end._getCombined(t.splitPosition,t.moveTargetPosition)),e.range.end=t.splitPosition.clone(),e.range.end.stickiness="toPrevious",[e,n]}return e.range=e.range._getTransformedBySplitOperation(t),[e]}),Ch(Ya,Ja,(e,t)=>{const n=[e];if(e.shouldReceiveAttributes&&e.position.hasSameParentAs(t.range.start)&&t.range.containsPosition(e.position)){const o=Ih(e,t.key,t.newValue);o&&n.push(o)}return n}),Ch(Ya,Ya,(e,t,n)=>(e.position.isEqual(t.position)&&n.aIsStrong||(e.position=e.position._getTransformedByInsertOperation(t)),[e])),Ch(Ya,Qa,(e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e])),Ch(Ya,ol,(e,t)=>(e.position=e.position._getTransformedBySplitOperation(t),[e])),Ch(Ya,nl,(e,t)=>(e.position=e.position._getTransformedByMergeOperation(t),[e])),Ch(Xa,Ya,(e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByInsertOperation(t)[0]),e.newRange&&(e.newRange=e.newRange._getTransformedByInsertOperation(t)[0]),[e])),Ch(Xa,Xa,(e,t,n)=>{if(e.name==t.name){if(!n.aIsStrong)return[new yl(0)];e.oldRange=t.newRange?t.newRange.clone():null}return[e]}),Ch(Xa,nl,(e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByMergeOperation(t)),e.newRange&&(e.newRange=e.newRange._getTransformedByMergeOperation(t)),[e])),Ch(Xa,Qa,(e,t,n)=>{if(e.oldRange&&(e.oldRange=Rs._createFromRanges(e.oldRange._getTransformedByMoveOperation(t))),e.newRange){if(n.abRelation){const o=Rs._createFromRanges(e.newRange._getTransformedByMoveOperation(t));if("left"==n.abRelation.side&&t.targetPosition.isEqual(e.newRange.start))return e.newRange.start.path=n.abRelation.path,e.newRange.end=o.end,[e];if("right"==n.abRelation.side&&t.targetPosition.isEqual(e.newRange.end))return e.newRange.start=o.start,e.newRange.end.path=n.abRelation.path,[e]}e.newRange=Rs._createFromRanges(e.newRange._getTransformedByMoveOperation(t))}return[e]}),Ch(Xa,ol,(e,t,n)=>{if(e.oldRange&&(e.oldRange=e.oldRange._getTransformedBySplitOperation(t)),e.newRange){if(n.abRelation){const o=e.newRange._getTransformedBySplitOperation(t);return e.newRange.start.isEqual(t.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?e.newRange.start=Ts._createAt(t.insertionPosition):e.newRange.start.isEqual(t.splitPosition)&&!n.abRelation.wasInLeftElement&&(e.newRange.start=Ts._createAt(t.moveTargetPosition)),e.newRange.end.isEqual(t.splitPosition)&&n.abRelation.wasInRightElement?e.newRange.end=Ts._createAt(t.moveTargetPosition):e.newRange.end.isEqual(t.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?e.newRange.end=Ts._createAt(t.insertionPosition):e.newRange.end=o.end,[e]}e.newRange=e.newRange._getTransformedBySplitOperation(t)}return[e]}),Ch(nl,Ya,(e,t)=>(e.sourcePosition.hasSameParentAs(t.position)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByInsertOperation(t),e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t),[e])),Ch(nl,nl,(e,t,n)=>{if(e.sourcePosition.isEqual(t.sourcePosition)&&e.targetPosition.isEqual(t.targetPosition)){if(n.bWasUndone){const n=t.graveyardPosition.path.slice();return n.push(0),e.sourcePosition=new Ts(t.graveyardPosition.root,n),e.howMany=0,[e]}return[new yl(0)]}if(e.sourcePosition.isEqual(t.sourcePosition)&&!e.targetPosition.isEqual(t.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const o="$graveyard"==e.targetPosition.root.rootName,i="$graveyard"==t.targetPosition.root.rootName,r=o&&!i;if(i&&!o||!r&&n.aIsStrong){const n=t.targetPosition._getTransformedByMergeOperation(t),o=e.targetPosition._getTransformedByMergeOperation(t);return[new Qa(n,e.howMany,o,0)]}return[new yl(0)]}return e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMergeOperation(t),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),e.graveyardPosition.isEqual(t.graveyardPosition)&&n.aIsStrong||(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]}),Ch(nl,Qa,(e,t,n)=>{const o=Rs._createFromPositionAndShift(t.sourcePosition,t.howMany);return"remove"==t.type&&!n.bWasUndone&&!n.forceWeakRemove&&e.deletionPosition.hasSameParentAs(t.sourcePosition)&&o.containsPosition(e.sourcePosition)?[new yl(0)]:(e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition.hasSameParentAs(t.sourcePosition)&&(e.howMany-=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMoveOperation(t),e.targetPosition=e.targetPosition._getTransformedByMoveOperation(t),e.graveyardPosition.isEqual(t.targetPosition)||(e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)),[e])}),Ch(nl,ol,(e,t,n)=>{if(t.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByDeletion(t.graveyardPosition,1),e.deletionPosition.isEqual(t.graveyardPosition)&&(e.howMany=t.howMany)),e.targetPosition.isEqual(t.splitPosition)){const o=0!=t.howMany,i=t.graveyardPosition&&e.deletionPosition.isEqual(t.graveyardPosition);if(o||i||"mergeTargetNotMoved"==n.abRelation)return e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),[e]}if(e.sourcePosition.isEqual(t.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return e.howMany=0,e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e];if("mergeSameElement"==n.abRelation||e.sourcePosition.offset>0)return e.sourcePosition=t.moveTargetPosition.clone(),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]}return e.sourcePosition.hasSameParentAs(t.splitPosition)&&(e.howMany=t.splitPosition.offset),e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]}),Ch(Qa,Ya,(e,t)=>{const n=Rs._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByInsertOperation(t,!1)[0];return e.sourcePosition=n.start,e.howMany=n.end.offset-n.start.offset,e.targetPosition.isEqual(t.position)||(e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t)),[e]}),Ch(Qa,Qa,(e,t,n)=>{const o=Rs._createFromPositionAndShift(e.sourcePosition,e.howMany),i=Rs._createFromPositionAndShift(t.sourcePosition,t.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=e.targetPosition.isEqual(t.targetPosition)&&a?e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany):e.targetPosition._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),Oh(e,t)&&Oh(t,e))return[t.getReversed()];if(o.containsPosition(t.targetPosition)&&o.containsRange(i,!0))return o.start=o.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),o.end=o.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),Mh([o],r);if(i.containsPosition(e.targetPosition)&&i.containsRange(o,!0))return o.start=o.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),o.end=o.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),Mh([o],r);const l=Mn(e.sourcePosition.getParentPath(),t.sourcePosition.getParentPath());if("prefix"==l||"extension"==l)return o.start=o.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),o.end=o.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),Mh([o],r);"remove"!=e.type||"remove"==t.type||n.aWasUndone||n.forceWeakRemove?"remove"==e.type||"remove"!=t.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const c=[],d=o.getDifference(i);for(const e of d){e.start=e.start._getTransformedByDeletion(t.sourcePosition,t.howMany),e.end=e.end._getTransformedByDeletion(t.sourcePosition,t.howMany);const n="same"==Mn(e.start.getParentPath(),t.getMovedRangeStart().getParentPath()),o=e._getTransformedByInsertion(t.getMovedRangeStart(),t.howMany,n);c.push(...o)}const u=o.getIntersection(i);return null!==u&&s&&(u.start=u.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),u.end=u.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),0===c.length?c.push(u):1==c.length?i.start.isBefore(o.start)||i.start.isEqual(o.start)?c.unshift(u):c.push(u):c.splice(1,0,u)),0===c.length?[new yl(e.baseVersion)]:Mh(c,r)}),Ch(Qa,ol,(e,t,n)=>{let o=e.targetPosition.clone();e.targetPosition.isEqual(t.insertionPosition)&&t.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(o=e.targetPosition._getTransformedBySplitOperation(t));const i=Rs._createFromPositionAndShift(e.sourcePosition,e.howMany);if(i.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.howMany++,e.targetPosition=o,[e];if(i.start.hasSameParentAs(t.splitPosition)&&i.containsPosition(t.splitPosition)){let e=new Rs(t.splitPosition,i.end);e=e._getTransformedBySplitOperation(t);return Mh([new Rs(i.start,t.splitPosition),e],o)}e.targetPosition.isEqual(t.splitPosition)&&"insertAtSource"==n.abRelation&&(o=t.moveTargetPosition),e.targetPosition.isEqual(t.insertionPosition)&&"insertBetween"==n.abRelation&&(o=e.targetPosition);const r=[i._getTransformedBySplitOperation(t)];if(t.graveyardPosition){const o=i.start.isEqual(t.graveyardPosition)||i.containsPosition(t.graveyardPosition);e.howMany>1&&o&&!n.aWasUndone&&r.push(Rs._createFromPositionAndShift(t.insertionPosition,1))}return Mh(r,o)}),Ch(Qa,nl,(e,t,n)=>{const o=Rs._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.deletionPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.sourcePosition))if("remove"!=e.type||n.forceWeakRemove){if(1==e.howMany)return n.bWasUndone?(e.sourcePosition=t.graveyardPosition.clone(),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]):[new yl(0)]}else if(!n.aWasUndone){const n=[];let o=t.graveyardPosition.clone(),i=t.targetPosition._getTransformedByMergeOperation(t);e.howMany>1&&(n.push(new Qa(e.sourcePosition,e.howMany-1,e.targetPosition,0)),o=o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1),i=i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1));const r=t.deletionPosition._getCombined(e.sourcePosition,e.targetPosition),s=new Qa(o,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const l=new Ts(s.targetPosition.root,a);i=i._getTransformedByMove(o,r,1);const c=new Qa(i,t.howMany,l,0);return n.push(s),n.push(c),n}const i=Rs._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByMergeOperation(t);return e.sourcePosition=i.start,e.howMany=i.end.offset-i.start.offset,e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]}),Ch(el,Ya,(e,t)=>(e.position=e.position._getTransformedByInsertOperation(t),[e])),Ch(el,nl,(e,t)=>e.position.isEqual(t.deletionPosition)?(e.position=t.graveyardPosition.clone(),e.position.stickiness="toNext",[e]):(e.position=e.position._getTransformedByMergeOperation(t),[e])),Ch(el,Qa,(e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e])),Ch(el,el,(e,t,n)=>{if(e.position.isEqual(t.position)){if(!n.aIsStrong)return[new yl(0)];e.oldName=t.newName}return[e]}),Ch(el,ol,(e,t)=>{if("same"==Mn(e.position.path,t.splitPosition.getParentPath())&&!t.graveyardPosition){const t=new el(e.position.getShiftedBy(1),e.oldName,e.newName,0);return[e,t]}return e.position=e.position._getTransformedBySplitOperation(t),[e]}),Ch(tl,tl,(e,t,n)=>{if(e.root===t.root&&e.key===t.key){if(!n.aIsStrong||e.newValue===t.newValue)return[new yl(0)];e.oldValue=t.newValue}return[e]}),Ch(ol,Ya,(e,t)=>(e.splitPosition.hasSameParentAs(t.position)&&e.splitPosition.offset<t.position.offset&&(e.howMany+=t.howMany),e.splitPosition=e.splitPosition._getTransformedByInsertOperation(t),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e])),Ch(ol,nl,(e,t,n)=>{if(!e.graveyardPosition&&!n.bWasUndone&&e.splitPosition.hasSameParentAs(t.sourcePosition)){const n=t.graveyardPosition.path.slice();n.push(0);const o=new Ts(t.graveyardPosition.root,n),i=ol.getInsertionPosition(new Ts(t.graveyardPosition.root,n)),r=new ol(o,0,null,0);return r.insertionPosition=i,e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),e.graveyardPosition=r.insertionPosition.clone(),e.graveyardPosition.stickiness="toNext",[r,e]}return e.splitPosition.hasSameParentAs(t.deletionPosition)&&!e.splitPosition.isAfter(t.deletionPosition)&&e.howMany--,e.splitPosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]}),Ch(ol,Qa,(e,t,n)=>{const o=Rs._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.graveyardPosition){const i=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);if(!n.bWasUndone&&i){const n=e.splitPosition._getTransformedByMoveOperation(t),o=e.graveyardPosition._getTransformedByMoveOperation(t),i=o.path.slice();i.push(0);const r=new Ts(o.root,i);return[new Qa(n,e.howMany,r,0)]}e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)}if(e.splitPosition.hasSameParentAs(t.sourcePosition)&&o.containsPosition(e.splitPosition)){const n=t.howMany-(e.splitPosition.offset-t.sourcePosition.offset);return e.howMany-=n,e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset<t.targetPosition.offset&&(e.howMany+=t.howMany),e.splitPosition=t.sourcePosition.clone(),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e]}return!e.splitPosition.isEqual(t.targetPosition)||"insertAtSource"!=n.baRelation&&"splitBefore"!=n.abRelation?(t.sourcePosition.isEqual(t.targetPosition)||(e.splitPosition.hasSameParentAs(t.sourcePosition)&&e.splitPosition.offset<=t.sourcePosition.offset&&(e.howMany-=t.howMany),e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset<t.targetPosition.offset&&(e.howMany+=t.howMany)),e.splitPosition.stickiness="toNone",e.splitPosition=e.splitPosition._getTransformedByMoveOperation(t),e.splitPosition.stickiness="toNext",e.graveyardPosition?e.insertionPosition=e.insertionPosition._getTransformedByMoveOperation(t):e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e]):(e.howMany+=t.howMany,e.splitPosition=e.splitPosition._getTransformedByDeletion(t.sourcePosition,t.howMany),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e])}),Ch(ol,ol,(e,t,n)=>{if(e.splitPosition.isEqual(t.splitPosition)){if(!e.graveyardPosition&&!t.graveyardPosition)return[new yl(0)];if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition))return[new yl(0)];if("splitBefore"==n.abRelation)return e.howMany=0,e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t),[e]}if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition)){const o="$graveyard"==e.splitPosition.root.rootName,i="$graveyard"==t.splitPosition.root.rootName,r=o&&!i;if(i&&!o||!r&&n.aIsStrong){const n=[];return t.howMany&&n.push(new Qa(t.moveTargetPosition,t.howMany,t.splitPosition,0)),e.howMany&&n.push(new Qa(e.splitPosition,e.howMany,e.moveTargetPosition,0)),n}return[new yl(0)]}if(e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t)),e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.abRelation)return e.howMany++,[e];if(t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.baRelation){const n=t.insertionPosition.path.slice();n.push(0);const o=new Ts(t.insertionPosition.root,n);return[e,new Qa(e.insertionPosition,1,o,0)]}return e.splitPosition.hasSameParentAs(t.splitPosition)&&e.splitPosition.offset<t.splitPosition.offset&&(e.howMany-=t.howMany),e.splitPosition=e.splitPosition._getTransformedBySplitOperation(t),e.insertionPosition=ol.getInsertionPosition(e.splitPosition),[e]});class Vh extends Bu{constructor(e){super(e),this._stack=[],this._createdBatches=new WeakSet,this.refresh(),this.listenTo(e.data,"set",()=>this.clearStack())}refresh(){this.isEnabled=this._stack.length>0}addBatch(e){const t=this.editor.model.document.selection,n={ranges:t.hasOwnRange?Array.from(t.getRanges()):[],isBackward:t.isBackward};this._stack.push({batch:e,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(e,t,n){const o=this.editor.model,i=o.document,r=[],s=e.map(e=>e.getTransformedByOperations(n)),a=s.flat();for(const e of s){const t=e.filter(e=>e.root!=i.graveyard).filter(e=>!Dh(e,a));t.length&&(Nh(t),r.push(t[0]))}r.length&&o.change(e=>{e.setSelection(r,{backward:t})})}_undo(e,t){const n=this.editor.model,o=n.document;this._createdBatches.add(t);const i=e.operations.slice().filter(e=>e.isDocumentOperation);i.reverse();for(const e of i){const i=e.baseVersion+1,r=Array.from(o.history.getOperations(i)),s=Eh([e.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const i of s)t.addOperation(i),n.applyOperation(i),o.history.setOperationAsUndone(e,i)}}}function Nh(e){e.sort((e,t)=>e.start.isBefore(t.start)?-1:1);for(let t=1;t<e.length;t++){const n=e[t-1].getJoined(e[t],!0);n&&(t--,e.splice(t,2,n))}}function Dh(e,t){return t.some(t=>t!==e&&t.containsRange(e,!0))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class zh extends Vh{execute(e=null){const t=e?this._stack.findIndex(t=>t.batch==e):this._stack.length-1,n=this._stack.splice(t,1)[0],o=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(o,()=>{this._undo(n.batch,o);const e=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,e),this.fire("revert",n.batch,o)}),this.refresh()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Fh extends Vh{execute(){const e=this._stack.pop(),t=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(t,()=>{const n=e.batch.operations[e.batch.operations.length-1].baseVersion+1,o=this.editor.model.document.history.getOperations(n);this._restoreSelection(e.selection.ranges,e.selection.isBackward,o),this._undo(e.batch,t)}),this.refresh()}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Bh extends cd{static get pluginName(){return"UndoEditing"}constructor(e){super(e),this._batchRegistry=new WeakSet}init(){const e=this.editor;this._undoCommand=new zh(e),this._redoCommand=new Fh(e),e.commands.add("undo",this._undoCommand),e.commands.add("redo",this._redoCommand),this.listenTo(e.model,"applyOperation",(e,t)=>{const n=t[0];if(!n.isDocumentOperation)return;const o=n.batch,i=this._redoCommand._createdBatches.has(o),r=this._undoCommand._createdBatches.has(o);this._batchRegistry.has(o)||"transparent"==o.type&&!i&&!r||(i?this._undoCommand.addBatch(o):r||(this._undoCommand.addBatch(o),this._redoCommand.clearStack()),this._batchRegistry.add(o))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(e,t,n)=>{this._redoCommand.addBatch(n)}),e.keystrokes.set("CTRL+Z","undo"),e.keystrokes.set("CTRL+Y","redo"),e.keystrokes.set("CTRL+SHIFT+Z","redo")}}var Lh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.042 9.367l2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',qh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M14.958 9.367l-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class jh extends cd{init(){const e=this.editor,t=e.locale,n=e.t,o="ltr"==t.uiLanguageDirection?Lh:qh,i="ltr"==t.uiLanguageDirection?qh:Lh;this._addButton("undo",n("Undo"),"CTRL+Z",o),this._addButton("redo",n("Redo"),"CTRL+Y",i)}_addButton(e,t,n,o){const i=this.editor;i.ui.componentFactory.add(e,r=>{const s=i.commands.get(e),a=new Hc(r);return a.set({label:t,icon:o,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>{i.execute(e),i.editing.view.focus()}),a})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Hh extends cd{static get requires(){return[Bh,jh]}static get pluginName(){return"Undo"}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Wh(){let e=function(e){e=e.toLowerCase();const t=document.cookie.split(";");for(const n of t){const t=n.split("=");if(decodeURIComponent(t[0].trim().toLowerCase())===e)return decodeURIComponent(t[1])}return null}("ckCsrfToken");var t,n;return e&&40==e.length||(e=function(e){let t="";const n=new Uint8Array(e);window.crypto.getRandomValues(n);for(let e=0;e<n.length;e++){const o="abcdefghijklmnopqrstuvwxyz0123456789".charAt(n[e]%"abcdefghijklmnopqrstuvwxyz0123456789".length);t+=Math.random()>.5?o.toUpperCase():o}return t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(40),t="ckCsrfToken",n=e,document.cookie=encodeURIComponent(t)+"="+encodeURIComponent(n)+";path=/"),e}class $h{constructor(e,t,n){this.loader=e,this.url=t,this.t=n}upload(){return this.loader.file.then(e=>new Promise((t,n)=>{this._initRequest(),this._initListeners(t,n,e),this._sendRequest(e)}))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const e=this.xhr=new XMLHttpRequest;e.open("POST",this.url,!0),e.responseType="json"}_initListeners(e,t,n){const o=this.xhr,i=this.loader,r=(0,this.t)("Cannot upload file:")+` ${n.name}.`;o.addEventListener("error",()=>t(r)),o.addEventListener("abort",()=>t()),o.addEventListener("load",()=>{const n=o.response;if(!n||!n.uploaded)return t(n&&n.error&&n.error.message?n.error.message:r);e({default:n.url})}),o.upload&&o.upload.addEventListener("progress",e=>{e.lengthComputable&&(i.uploadTotal=e.total,i.uploaded=e.loaded)})}_sendRequest(e){const t=new FormData;t.append("upload",e),t.append("ckCsrfToken",Wh()),this.xhr.send(t)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Uh(e){const t=e.next();return t.done?null:t.value}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Gh(e,t,n,o){let i,r=null;"function"==typeof o?i=o:(r=e.commands.get(o),i=()=>{e.execute(o)}),e.model.document.on("change:data",(s,a)=>{if(r&&!r.isEnabled||!t.isEnabled)return;const l=Uh(e.model.document.selection.getRanges());if(!l.isCollapsed)return;if("transparent"==a.type)return;const c=Array.from(e.model.document.differ.getChanges()),d=c[0];if(1!=c.length||"insert"!==d.type||"$text"!=d.name||1!=d.length)return;const u=d.position.parent;if(u.is("element","codeBlock"))return;if(u.is("element","listItem")&&!["numberedList","bulletedList","todoList"].includes(o))return;if(r&&!0===r.value)return;const h=u.getChild(0),f=e.model.createRangeOn(h);if(!f.containsRange(l)&&!l.end.isEqual(f.end))return;const p=n.exec(h.data.substr(0,l.end.offset));p&&e.model.enqueueChange(t=>{const n=t.createPositionAt(u,0),o=t.createPositionAt(u,p[0].length),r=new Hs(n,o);if(!1!==i({match:p})){t.remove(r);const n=e.model.document.selection.getFirstRange(),o=t.createRangeIn(u);!u.isEmpty||o.isEqual(n)||o.containsRange(n,!0)||t.remove(u)}r.detach()})})}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Kh(e,t,n,o){let i,r;n instanceof RegExp?i=n:r=n,r=r||(e=>{let t;const n=[],o=[];for(;null!==(t=i.exec(e))&&!(t&&t.length<4);){let{index:e,1:i,2:r,3:s}=t;const a=i+r+s;e+=t[0].length-a.length;const l=[e,e+i.length],c=[e+i.length+r.length,e+i.length+r.length+s.length];n.push(l),n.push(c),o.push([e+i.length,e+i.length+r.length])}return{remove:n,format:o}}),e.model.document.on("change:data",(n,i)=>{if("transparent"==i.type||!t.isEnabled)return;const s=e.model,a=s.document.selection;if(!a.isCollapsed)return;const l=Array.from(s.document.differ.getChanges()),c=l[0];if(1!=l.length||"insert"!==c.type||"$text"!=c.name||1!=c.length)return;const d=a.focus,u=d.parent,{text:h,range:f}=function(e,t){let n=e.start;return{text:Array.from(e.getItems()).reduce((e,o)=>!o.is("$text")&&!o.is("$textProxy")||o.getAttribute("code")?(n=t.createPositionAfter(o),""):e+o.data,""),range:t.createRange(n,e.end)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(s.createRange(s.createPositionAt(u,0),d),s),p=r(h),m=Jh(f.start,p.format,s),g=Jh(f.start,p.remove,s);m.length&&g.length&&s.enqueueChange(e=>{if(!1!==o(e,m))for(const t of g.reverse())e.remove(t)})})}function Jh(e,t,n){return t.filter(e=>void 0!==e[0]&&void 0!==e[1]).map(t=>n.createRange(e.getShiftedBy(t[0]),e.getShiftedBy(t[1])))}function Zh(e,t){return(n,o)=>{if(!e.commands.get(t).isEnabled)return!1;const i=e.model.schema.getValidRanges(o,t);for(const e of i)n.setAttribute(t,!0,e);n.removeSelectionAttribute(t)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Qh extends Bu{constructor(e,t){super(e),this.attributeKey=t}refresh(){const e=this.editor.model,t=e.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=e.schema.checkAttributeInSelection(t.selection,this.attributeKey)}execute(e={}){const t=this.editor.model,n=t.document.selection,o=void 0===e.forceValue?!this.value:e.forceValue;t.change(e=>{if(n.isCollapsed)o?e.setSelectionAttribute(this.attributeKey,!0):e.removeSelectionAttribute(this.attributeKey);else{const i=t.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const t of i)o?e.setAttribute(this.attributeKey,o,t):e.removeAttribute(this.attributeKey,t)}})}_getValueFromFirstAllowedNode(){const e=this.editor.model,t=e.schema,n=e.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const e of n.getRanges())for(const n of e.getItems())if(t.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Yh extends cd{static get pluginName(){return"BoldEditing"}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"bold"}),e.model.schema.setAttributeProperties("bold",{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:"bold",view:"strong",upcastAlso:["b",e=>{const t=e.getStyle("font-weight");return t?"bold"==t||Number(t)>=600?{name:!0,styles:["font-weight"]}:void 0:null}]}),e.commands.add("bold",new Qh(e,"bold")),e.keystrokes.set("CTRL+B","bold")}}class Xh extends cd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("bold",n=>{const o=e.commands.get("bold"),i=new Hc(n);return i.set({label:t("Bold"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z"/></svg>',keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{e.execute("bold"),e.editing.view.focus()}),i})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class ef extends cd{static get pluginName(){return"TwoStepCaretMovement"}constructor(e){super(e),this.attributes=new Set,this._overrideUid=null}init(){const e=this.editor,t=e.model,n=e.editing.view,o=e.locale,i=t.document.selection;this.listenTo(n.document,"keydown",(e,t)=>{if(!i.isCollapsed)return;if(t.shiftKey||t.altKey||t.ctrlKey)return;const n=t.keyCode==bi.arrowright,r=t.keyCode==bi.arrowleft;if(!n&&!r)return;const s=o.contentLanguageDirection;let a=!1;a="ltr"===s&&n||"rtl"===s&&r?this._handleForwardMovement(t):this._handleBackwardMovement(t),!0===a&&e.stop()},{priority:hn.get("high")+1}),this._isNextGravityRestorationSkipped=!1,this.listenTo(i,"change:range",(e,t)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!t.directChange&&rf(i.getFirstPosition(),this.attributes)||this._restoreGravity())})}registerAttribute(e){this.attributes.add(e)}_handleForwardMovement(e){const t=this.attributes,n=this.editor.model.document.selection,o=n.getFirstPosition();return!this._isGravityOverridden&&((!o.isAtStart||!tf(n,t))&&(rf(o,t)?(of(e),this._overrideGravity(),!0):void 0))}_handleBackwardMovement(e){const t=this.attributes,n=this.editor.model,o=n.document.selection,i=o.getFirstPosition();return this._isGravityOverridden?(of(e),this._restoreGravity(),nf(n,t,i),!0):i.isAtStart?!!tf(o,t)&&(of(e),nf(n,t,i),!0):function(e,t){return rf(e.getShiftedBy(-1),t)}(i,t)?i.isAtEnd&&!tf(o,t)&&rf(i,t)?(of(e),nf(n,t,i),!0):(this._isNextGravityRestorationSkipped=!0,this._overrideGravity(),!1):void 0}get _isGravityOverridden(){return!!this._overrideUid}_overrideGravity(){this._overrideUid=this.editor.model.change(e=>e.overrideSelectionGravity())}_restoreGravity(){this.editor.model.change(e=>{e.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}}function tf(e,t){for(const n of t)if(e.hasAttribute(n))return!0;return!1}function nf(e,t,n){const o=n.nodeBefore;e.change(e=>{o?e.setSelectionAttribute(o.getAttributes()):e.removeSelectionAttribute(t)})}function of(e){e.preventDefault()}function rf(e,t){const{nodeBefore:n,nodeAfter:o}=e;for(const e of t){const t=n?n.getAttribute(e):void 0;if((o?o.getAttribute(e):void 0)!==t)return!0}return!1}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function sf(e,t,n,o){return o.createRange(af(e,t,n,!0,o),af(e,t,n,!1,o))}function af(e,t,n,o,i){let r=e.textNode||(o?e.nodeBefore:e.nodeAfter),s=null;for(;r&&r.getAttribute(t)==n;)s=r,r=o?r.previousSibling:r.nextSibling;return s?i.createPositionAt(s,o?"before":"after"):e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function lf(e,t,n,o){const i=e.editing.view,r=new Set;i.document.registerPostFixer(i=>{const s=e.model.document.selection;let a=!1;if(s.hasAttribute(t)){const l=sf(s.getFirstPosition(),t,s.getAttribute(t),e.model),c=e.editing.mapper.toViewRange(l);for(const e of c.getItems())e.is("element",n)&&!e.hasClass(o)&&(i.addClass(o,e),r.add(e),a=!0)}return a}),e.conversion.for("editingDowncast").add(e=>{function t(){i.change(e=>{for(const t of r.values())e.removeClass(o,t),r.delete(t)})}e.on("insert",t,{priority:"highest"}),e.on("remove",t,{priority:"highest"}),e.on("attribute",t,{priority:"highest"}),e.on("selection",t,{priority:"highest"})})}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const cf="code";class df extends cd{static get pluginName(){return"CodeEditing"}static get requires(){return[ef]}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:cf}),e.model.schema.setAttributeProperties(cf,{isFormatting:!0,copyOnEnter:!1}),e.conversion.attributeToElement({model:cf,view:"code",upcastAlso:{styles:{"word-wrap":"break-word"}}}),e.commands.add(cf,new Qh(e,cf)),e.plugins.get(ef).registerAttribute(cf),lf(e,cf,"code","ck-code_selected")}}n(16);class uf extends cd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("code",n=>{const o=e.commands.get("code"),i=new Hc(n);return i.set({label:t("Code"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.5 5.7l5.2 3.9v1.3l-5.6 4c-.1.2-.3.2-.5.2-.3-.1-.6-.7-.6-1l.3-.4 4.7-3.5L11.5 7l-.2-.2c-.1-.3-.1-.6 0-.8.2-.2.5-.4.8-.4a.8.8 0 0 1 .4.1zm-5.2 0L2 9.6v1.3l5.6 4c.1.2.3.2.5.2.3-.1.7-.7.6-1 0-.1 0-.3-.2-.4l-5-3.5L8.2 7l.2-.2c.1-.3.1-.6 0-.8-.2-.2-.5-.4-.8-.4a.8.8 0 0 0-.3.1z"/></svg>',tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{e.execute("code"),e.editing.view.focus()}),i})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class hf extends cd{static get pluginName(){return"StrikethroughEditing"}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"strikethrough"}),e.model.schema.setAttributeProperties("strikethrough",{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:"strikethrough",view:"s",upcastAlso:["del","strike",{styles:{"text-decoration":"line-through"}}]}),e.commands.add("strikethrough",new Qh(e,"strikethrough")),e.keystrokes.set("CTRL+SHIFT+X","strikethrough")}}class ff extends cd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("strikethrough",n=>{const o=e.commands.get("strikethrough"),i=new Hc(n);return i.set({label:t("Strikethrough"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 16.4c-.8-.4-1.5-.9-2.2-1.5a.6.6 0 0 1-.2-.5l.3-.6h1c1 1.2 2.1 1.7 3.7 1.7 1 0 1.8-.3 2.3-.6.6-.4.6-1.2.6-1.3.2-1.2-.9-2.1-.9-2.1h2.1c.3.7.4 1.2.4 1.7v.8l-.6 1.2c-.6.8-1.1 1-1.6 1.2a6 6 0 0 1-2.4.6c-1 0-1.8-.3-2.5-.6zM6.8 9L6 8.3c-.4-.5-.5-.8-.5-1.6 0-.7.1-1.3.5-1.8.4-.6 1-1 1.6-1.3a6.3 6.3 0 0 1 4.7 0 4 4 0 0 1 1.7 1l.3.7c0 .1.2.4-.2.7-.4.2-.9.1-1 0a3 3 0 0 0-1.2-1c-.4-.2-1-.3-2-.4-.7 0-1.4.2-2 .6-.8.6-1 .8-1 1.5 0 .8.5 1 1.2 1.5.6.4 1.1.7 1.9 1H6.8z"/><path d="M3 10.5V9h14v1.5z"/></svg>',keystroke:"CTRL+SHIFT+X",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{e.execute("strikethrough"),e.editing.view.focus()}),i})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class pf extends cd{static get pluginName(){return"ItalicEditing"}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"italic"}),e.model.schema.setAttributeProperties("italic",{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:"italic",view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),e.commands.add("italic",new Qh(e,"italic")),e.keystrokes.set("CTRL+I","italic")}}class mf extends cd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("italic",n=>{const o=e.commands.get("italic"),i=new Hc(n);return i.set({label:t("Italic"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{e.execute("italic"),e.editing.view.focus()}),i})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class gf extends Bu{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.model,n=t.schema,o=t.document.selection,i=Array.from(o.getSelectedBlocks()),r=void 0===e.forceValue?!this.value:e.forceValue;t.change(e=>{if(r){const t=i.filter(e=>bf(e)||kf(n,e));this._applyQuote(e,t)}else this._removeQuote(e,i.filter(bf))})}_getValue(){const e=Uh(this.editor.model.document.selection.getSelectedBlocks());return!(!e||!bf(e))}_checkEnabled(){if(this.value)return!0;const e=this.editor.model.document.selection,t=this.editor.model.schema,n=Uh(e.getSelectedBlocks());return!!n&&kf(t,n)}_removeQuote(e,t){wf(e,t).reverse().forEach(t=>{if(t.start.isAtStart&&t.end.isAtEnd)return void e.unwrap(t.start.parent);if(t.start.isAtStart){const n=e.createPositionBefore(t.start.parent);return void e.move(t,n)}t.end.isAtEnd||e.split(t.end);const n=e.createPositionAfter(t.end.parent);e.move(t,n)})}_applyQuote(e,t){const n=[];wf(e,t).reverse().forEach(t=>{let o=bf(t.start);o||(o=e.createElement("blockQuote"),e.wrap(t,o)),n.push(o)}),n.reverse().reduce((t,n)=>t.nextSibling==n?(e.merge(e.createPositionAfter(t)),t):n)}}function bf(e){return"blockQuote"==e.parent.name?e.parent:null}function wf(e,t){let n,o=0;const i=[];for(;o<t.length;){const r=t[o],s=t[o+1];n||(n=e.createPositionBefore(r)),s&&r.nextSibling==s||(i.push(e.createRange(n,e.createPositionAfter(r))),n=null),o++}return i}function kf(e,t){const n=e.checkChild(t.parent,"blockQuote"),o=e.checkChild(["$root","blockQuote"],t);return n&&o}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class _f extends cd{static get pluginName(){return"BlockQuoteEditing"}init(){const e=this.editor,t=e.model.schema;e.commands.add("blockQuote",new gf(e)),t.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),t.addChildCheck((e,t)=>{if(e.endsWith("blockQuote")&&"blockQuote"==t.name)return!1}),e.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),e.model.document.registerPostFixer(n=>{const o=e.model.document.differ.getChanges();for(const e of o)if("insert"==e.type){const o=e.position.nodeAfter;if(!o)continue;if(o.is("element","blockQuote")&&o.isEmpty)return n.remove(o),!0;if(o.is("element","blockQuote")&&!t.checkChild(e.position,o))return n.unwrap(o),!0;if(o.is("element")){const e=n.createRangeIn(o);for(const o of e.getItems())if(o.is("element","blockQuote")&&!t.checkChild(n.createPositionBefore(o),o))return n.unwrap(o),!0}}else if("remove"==e.type){const t=e.position.parent;if(t.is("element","blockQuote")&&t.isEmpty)return n.remove(t),!0}return!1});const n=this.editor.editing.view.document,o=e.model.document.selection,i=e.commands.get("blockQuote");this.listenTo(n,"enter",(t,n)=>{if(!o.isCollapsed||!i.value)return;o.getLastPosition().parent.isEmpty&&(e.execute("blockQuote"),e.editing.view.scrollToTheSelection(),n.preventDefault(),t.stop())},{priority:hn.normal-10}),this.listenTo(n,"delete",(t,n)=>{if("backward"!=n.direction||!o.isCollapsed||!i.value)return;const r=o.getLastPosition().parent;r.isEmpty&&!r.previousSibling&&(e.execute("blockQuote"),e.editing.view.scrollToTheSelection(),n.preventDefault(),t.stop())},{priority:hn.high+5})}}n(70);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class vf extends cd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("blockQuote",n=>{const o=e.commands.get("blockQuote"),i=new Hc(n);return i.set({label:t("Block quote"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z"/></svg>',tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{e.execute("blockQuote"),e.editing.view.focus()}),i})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class yf extends Bu{refresh(){const e=this.editor.model,t=Uh(e.document.selection.getSelectedBlocks());this.value=!!t&&t.is("element","paragraph"),this.isEnabled=!!t&&xf(t,e.schema)}execute(e={}){const t=this.editor.model,n=t.document;t.change(o=>{const i=(e.selection||n.selection).getSelectedBlocks();for(const e of i)!e.is("element","paragraph")&&xf(e,t.schema)&&o.rename(e,"paragraph")})}}function xf(e,t){return t.checkChild(e.parent,"paragraph")&&!t.isObject(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Cf extends Bu{execute(e){const t=this.editor.model;let n=e.position;t.change(e=>{const o=e.createElement("paragraph");if(!t.schema.checkChild(n.parent,o)){const i=t.schema.findAllowedParent(n,o);if(!i)return;n=e.split(n,i).position}t.insertContent(o,n),e.setSelection(o,"in")})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Af extends cd{static get pluginName(){return"Paragraph"}init(){const e=this.editor,t=e.model;e.commands.add("paragraph",new yf(e)),e.commands.add("insertParagraph",new Cf(e)),t.schema.register("paragraph",{inheritAllFrom:"$block"}),e.conversion.elementToElement({model:"paragraph",view:"p"}),e.conversion.for("upcast").elementToElement({model:(e,{writer:t})=>Af.paragraphLikeElements.has(e.name)?e.isEmpty?null:t.createElement("paragraph"):null,view:/.+/,converterPriority:"low"})}}Af.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td","th"]);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Tf extends Bu{constructor(e,t){super(e),this.modelElements=t}refresh(){const e=Uh(this.editor.model.document.selection.getSelectedBlocks());this.value=!!e&&this.modelElements.includes(e.name)&&e.name,this.isEnabled=!!e&&this.modelElements.some(t=>Ef(e,t,this.editor.model.schema))}execute(e){const t=this.editor.model,n=t.document,o=e.value;t.change(e=>{const i=Array.from(n.selection.getSelectedBlocks()).filter(e=>Ef(e,o,t.schema));for(const t of i)t.is("element",o)||e.rename(t,o)})}}function Ef(e,t,n){return n.checkChild(e.parent,t)&&!n.isObject(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Pf extends cd{static get pluginName(){return"HeadingEditing"}constructor(e){super(e),e.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[Af]}init(){const e=this.editor,t=e.config.get("heading.options"),n=[];for(const o of t)"paragraph"!==o.model&&(e.model.schema.register(o.model,{inheritAllFrom:"$block"}),e.conversion.elementToElement(o),n.push(o.model));this._addDefaultH1Conversion(e),e.commands.add("heading",new Tf(e,n))}afterInit(){const e=this.editor,t=e.commands.get("enter"),n=e.config.get("heading.options");t&&this.listenTo(t,"afterExecute",(t,o)=>{const i=e.model.document.selection.getFirstPosition().parent;n.some(e=>i.is("element",e.model))&&!i.is("element","paragraph")&&0===i.childCount&&o.writer.rename(i,"paragraph")})}_addDefaultH1Conversion(e){e.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:hn.get("low")+1})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Sf{constructor(e,t){t&&Lo(this,t),e&&this.set(e)}}Cn(Sf,$o);n(17);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Rf extends cd{init(){const e=this.editor,t=e.t,n=
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function(e){const t=e.t,n={Paragraph:t("Paragraph"),"Heading 1":t("Heading 1"),"Heading 2":t("Heading 2"),"Heading 3":t("Heading 3"),"Heading 4":t("Heading 4"),"Heading 5":t("Heading 5"),"Heading 6":t("Heading 6")};return e.config.get("heading.options").map(e=>{const t=n[e.title];return t&&t!=e.title&&(e.title=t),e})}(e),o=t("Choose heading"),i=t("Heading");e.ui.componentFactory.add("heading",t=>{const r={},s=new An,a=e.commands.get("heading"),l=e.commands.get("paragraph"),c=[a];for(const e of n){const t={type:"button",model:new Sf({label:e.title,class:e.class,withText:!0})};"paragraph"===e.model?(t.model.bind("isOn").to(l,"value"),t.model.set("commandName","paragraph"),c.push(l)):(t.model.bind("isOn").to(a,"value",t=>t===e.model),t.model.set({commandName:"heading",commandValue:e.model})),s.add(t),r[e.model]=e.title}const d=Qc(t);return Xc(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:i}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(c,"isEnabled",(...e)=>e.some(e=>e)),d.buttonView.bind("label").to(a,"value",l,"value",(e,t)=>{const n=e||t&&"paragraph";return r[n]?r[n]:o}),this.listenTo(d,"execute",t=>{e.execute(t.source.commandName,t.source.commandValue?{value:t.source.commandValue}:void 0),e.editing.view.focus()}),d})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class If extends wr{observe(e){this.listenTo(e,"load",(e,t)=>{const n=t.target;this.checkShouldIgnoreEventFromTarget(n)||"IMG"==n.tagName&&this._fireEvents(t)},{useCapture:!0})}_fireEvents(e){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",e))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Of(e){return n=>{n.on(`attribute:${e}:image`,t)};function t(e,t,n){if(!n.consumable.consume(t.item,e.name))return;const o=n.writer,i=Au(n.mapper.toViewElement(t.item));o.setAttribute(t.attributeKey,t.attributeNewValue||"",i)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Mf extends Bu{refresh(){this.isEnabled=Cu(this.editor.model)}execute(e){const t=this.editor.model;for(const n of En(e.source))xu(t,{src:n})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Vf extends cd{static get pluginName(){return"ImageEditing"}init(){const e=this.editor,t=e.model.schema,n=e.t,o=e.conversion;e.editing.view.addObserver(If),t.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),o.for("dataDowncast").elementToElement({model:"image",view:(e,{writer:t})=>Nf(t)}),o.for("editingDowncast").elementToElement({model:"image",view:(e,{writer:t})=>
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function(e,t,n){return t.setCustomProperty("image",!0,e),Ad(e,t,{label:function(){const t=Au(e).getAttribute("alt");return t?`${t} ${n}`:n}})}(Nf(t),t,n("image widget"))}),o.for("downcast").add(Of("src")).add(Of("alt")).add(function(){return t=>{t.on("attribute:srcset:image",e)};function e(e,t,n){if(!n.consumable.consume(t.item,e.name))return;const o=n.writer,i=Au(n.mapper.toViewElement(t.item));if(null===t.attributeNewValue){const e=t.attributeOldValue;e.data&&(o.removeAttribute("srcset",i),o.removeAttribute("sizes",i),e.width&&o.removeAttribute("width",i))}else{const e=t.attributeNewValue;e.data&&(o.setAttribute("srcset",e.data,i),o.setAttribute("sizes","100vw",i),e.width&&o.setAttribute("width",e.width,i))}}}()),o.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(e,{writer:t})=>t.createElement("image",{src:e.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:e=>{const t={data:e.getAttribute("srcset")};return e.hasAttribute("width")&&(t.width=e.getAttribute("width")),t}}}).add(function(){return t=>{t.on("element:figure",e)};function e(e,t,n){if(!n.consumable.test(t.viewItem,{name:!0,classes:"image"}))return;const o=Au(t.viewItem);if(!o||!o.hasAttribute("src")||!n.consumable.test(o,{name:!0}))return;const i=Uh(n.convertItem(o,t.modelCursor).modelRange.getItems());i&&(n.convertChildren(t.viewItem,i),n.updateConversionResult(i,t))}}()),e.commands.add("imageInsert",new Mf(e))}}function Nf(e){const t=e.createEmptyElement("img"),n=e.createContainerElement("figure",{class:"image"});return e.insert(e.createPositionAt(n,0),t),n}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Df extends Bu{refresh(){const e=this.editor.model.document.selection.getSelectedElement();this.isEnabled=yu(e),yu(e)&&e.hasAttribute("alt")?this.value=e.getAttribute("alt"):this.value=!1}execute(e){const t=this.editor.model,n=t.document.selection.getSelectedElement();t.change(t=>{t.setAttribute("alt",e.newValue,n)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class zf extends cd{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new Df(this.editor))}}n(73);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ff extends yc{constructor(e){super(e),this.set("text"),this.set("for"),this.id="ck-editor__label_"+un();const t=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:t.to("for")},children:[{text:t.to("text")}]})}}n(75);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Bf extends yc{constructor(e,t){super(e);const n="ck-labeled-field-view-"+un(),o="ck-labeled-field-view-status-"+un();this.fieldView=t(this,n,o),this.set("label"),this.set("isEnabled",!0),this.set("isEmpty",!0),this.set("isFocused",!1),this.set("errorText",null),this.set("infoText",null),this.set("class"),this.set("placeholder"),this.labelView=this._createLabelView(n),this.statusView=this._createStatusView(o),this.bind("_statusText").to(this,"errorText",this,"infoText",(e,t)=>e||t);const i=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view",i.to("class"),i.if("isEnabled","ck-disabled",e=>!e),i.if("isEmpty","ck-labeled-field-view_empty"),i.if("isFocused","ck-labeled-field-view_focused"),i.if("placeholder","ck-labeled-field-view_placeholder"),i.if("errorText","ck-error")]},children:[{tag:"div",attributes:{class:["ck","ck-labeled-field-view__input-wrapper"]},children:[this.fieldView,this.labelView]},this.statusView]})}_createLabelView(e){const t=new Ff(this.locale);return t.for=e,t.bind("text").to(this,"label"),t}_createStatusView(e){const t=new yc(this.locale),n=this.bindTemplate;return t.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",n.if("errorText","ck-labeled-field-view__status_error"),n.if("_statusText","ck-hidden",e=>!e)],id:e,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),t}focus(){this.fieldView.focus()}}n(77);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Lf extends yc{constructor(e){super(e),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById"),this.focusTracker=new Kl,this.bind("isFocused").to(this.focusTracker),this.set("isEmpty",!0);const t=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",t.if("isFocused","ck-input_focused"),t.if("isEmpty","ck-input-text_empty"),t.if("hasError","ck-error")],id:t.to("id"),placeholder:t.to("placeholder"),readonly:t.to("isReadOnly"),"aria-invalid":t.if("hasError",!0),"aria-describedby":t.to("ariaDescribedById")},on:{input:t.to("input"),change:t.to(this._updateIsEmpty.bind(this))}})}render(){super.render(),this.focusTracker.add(this.element),this._setDomElementValue(this.value),this._updateIsEmpty(),this.on("change:value",(e,t,n)=>{this._setDomElementValue(n),this._updateIsEmpty()})}select(){this.element.select()}focus(){this.element.focus()}_updateIsEmpty(){this.isEmpty=!this.element.value}_setDomElementValue(e){this.element.value=e||0===e?e:""}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function qf(e,t,n){const o=new Lf(e.locale);return o.set({id:t,ariaDescribedById:n}),o.bind("isReadOnly").to(e,"isEnabled",e=>!e),o.bind("hasError").to(e,"errorText",e=>!!e),o.on("input",()=>{e.errorText=null}),e.bind("isEmpty","isFocused","placeholder").to(o),o}function jf(e,t,n){const o=Qc(e.locale);return o.set({id:t,ariaDescribedById:n}),o.bind("isEnabled").to(e),o}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Hf(e){e.set("_isCssTransitionsDisabled",!1),e.disableCssTransitions=()=>{e._isCssTransitionsDisabled=!0},e.enableCssTransitions=()=>{e._isCssTransitionsDisabled=!1},e.extendTemplate({attributes:{class:[e.bindTemplate.if("_isCssTransitionsDisabled","ck-transitions-disabled")]}})}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Wf({view:e}){e.listenTo(e.element,"submit",(t,n)=>{n.preventDefault(),e.fire("submit")},{useCapture:!0})}var $f='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z"/></svg>',Uf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z"/></svg>';n(79),n(12);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Gf extends yc{constructor(e){super(e);const t=this.locale.t;this.focusTracker=new Kl,this.keystrokes=new jl,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(t("Save"),$f,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(t("Cancel"),Uf,"ck-button-cancel","cancel"),this._focusables=new nc,this._focusCycler=new Sc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form","ck-responsive-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]}),Hf(this)}render(){super.render(),this.keystrokes.listenTo(this.element),Wf({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)})}_createButton(e,t,n,o){const i=new Hc(this.locale);return i.set({label:e,icon:t,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}_createLabeledInputView(){const e=this.locale.t,t=new Bf(this.locale,qf);return t.label=e("Text alternative"),t}}function Kf(e){const t=e.editing.view,n=wd.defaultPositions;return{target:t.domConverter.viewToDom(t.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Jf extends cd{static get requires(){return[Yd]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const e=this.editor,t=e.t;e.ui.componentFactory.add("imageTextAlternative",n=>{const o=e.commands.get("imageTextAlternative"),i=new Hc(n);return i.set({label:t("Change image text alternative"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21l-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z"/></svg>',tooltip:!0}),i.bind("isEnabled").to(o,"isEnabled"),this.listenTo(i,"execute",()=>{this._showForm()}),i})}_createForm(){const e=this.editor,t=e.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new Gf(e.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{e.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(e,t)=>{this._hideForm(!0),t()}),this.listenTo(e.ui,"update",()=>{vu(t.selection)?this._isVisible&&
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function(e){const t=e.plugins.get("ContextualBalloon");if(vu(e.editing.view.document.selection)){const n=Kf(e);t.updatePosition(n)}}(e):this._hideForm(!0)}),Zc({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const e=this.editor,t=e.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._form.disableCssTransitions(),this._isInBalloon||this._balloon.add({view:this._form,position:Kf(e)}),n.fieldView.value=n.fieldView.element.value=t.value||"",this._form.labeledInput.fieldView.select(),this._form.enableCssTransitions()}_hideForm(e){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),e&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Zf extends cd{static get requires(){return[zf,Jf]}static get pluginName(){return"ImageTextAlternative"}}n(82);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Qf(e){for(const t of e.getChildren())if(t&&t.is("element","caption"))return t;return null}function Yf(e){const t=e.parent;return"figcaption"==e.name&&t&&"figure"==t.name&&t.hasClass("image")?{name:!0}:null}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Xf extends cd{static get pluginName(){return"ImageCaptionEditing"}init(){const e=this.editor,t=e.editing.view,n=e.model.schema,o=e.data,i=e.editing,r=e.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),e.model.document.registerPostFixer(e=>this._insertMissingModelCaptionElement(e)),e.conversion.for("upcast").elementToElement({view:Yf,model:"caption"});o.downcastDispatcher.on("insert:caption",ep(e=>e.createContainerElement("figcaption"),!1));const s=
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function(e,t){return n=>{const o=n.createEditableElement("figcaption");return n.setCustomProperty("imageCaption",!0,o),Ql({view:e,element:o,text:t}),Pd(o,n)}}(t,r("Enter image caption"));i.downcastDispatcher.on("insert:caption",ep(s)),i.downcastDispatcher.on("insert",this._fixCaptionVisibility(e=>e.item),{priority:"high"}),i.downcastDispatcher.on("remove",this._fixCaptionVisibility(e=>e.position.parent),{priority:"high"}),t.document.registerPostFixer(e=>this._updateCaptionVisibility(e))}_updateCaptionVisibility(e){const t=this.editor.editing.mapper,n=this._lastSelectedCaption;let o;const i=this.editor.model.document.selection,r=i.getSelectedElement();if(r&&r.is("element","image")){const e=Qf(r);o=t.toViewElement(e)}const s=tp(i.getFirstPosition().parent);if(s&&(o=t.toViewElement(s)),o&&!this.editor.isReadOnly)return n?(n===o||(np(n,e),this._lastSelectedCaption=o),op(o,e)):(this._lastSelectedCaption=o,op(o,e));if(n){const t=np(n,e);return this._lastSelectedCaption=null,t}return!1}_fixCaptionVisibility(e){return(t,n,o)=>{const i=tp(e(n)),r=this.editor.editing.mapper,s=o.writer;if(i){const e=r.toViewElement(i);e&&(i.childCount?s.removeClass("ck-hidden",e):s.addClass("ck-hidden",e))}}}_insertMissingModelCaptionElement(e){const t=this.editor.model,n=t.document.differ.getChanges(),o=[];for(const e of n)if("insert"==e.type&&"$text"!=e.name){const n=e.position.nodeAfter;if(n.is("element","image")&&!Qf(n)&&o.push(n),!n.is("element","image")&&n.childCount)for(const e of t.createRangeIn(n).getItems())e.is("element","image")&&!Qf(e)&&o.push(e)}for(const t of o)e.appendElement("caption",t);return!!o.length}}function ep(e,t=!0){return(n,o,i)=>{const r=o.item;if((r.childCount||t)&&yu(r.parent)){if(!i.consumable.consume(o.item,"insert"))return;const t=i.mapper.toViewElement(o.range.start.parent),n=e(i.writer),s=i.writer;r.childCount||s.addClass("ck-hidden",n),function(e,t,n,o){const i=o.writer.createPositionAt(n,"end");o.writer.insert(i,e),o.mapper.bindElements(t,e)}(n,o.item,t,i)}}}function tp(e){const t=e.getAncestors({includeSelf:!0}).find(e=>"caption"==e.name);return t&&t.parent&&"image"==t.parent.name?t:null}function np(e,t){return!e.childCount&&!e.hasClass("ck-hidden")&&(t.addClass("ck-hidden",e),!0)}function op(e,t){return!!e.hasClass("ck-hidden")&&(t.removeClass("ck-hidden",e),!0)}n(84);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class ip extends Bu{constructor(e,t){super(e),this.defaultStyle=!1,this.styles=t.reduce((e,t)=>(e[t.name]=t,t.isDefault&&(this.defaultStyle=t.name),e),{})}refresh(){const e=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=yu(e),e)if(e.hasAttribute("imageStyle")){const t=e.getAttribute("imageStyle");this.value=!!this.styles[t]&&t}else this.value=this.defaultStyle;else this.value=!1}execute(e){const t=e.value,n=this.editor.model,o=n.document.selection.getSelectedElement();n.change(e=>{this.styles[t].isDefault?e.removeAttribute("imageStyle",o):e.setAttribute("imageStyle",t,o)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function rp(e,t){for(const n of t)if(n.name===e)return n}var sp='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm2.5 3V12h11V7.5h-11zM4.061 6H15.94c.586 0 1.061.407 1.061.91v5.68c0 .503-.475.91-1.061.91H4.06c-.585 0-1.06-.407-1.06-.91V6.91C3 6.406 3.475 6 4.061 6zM2 16.5V15h16v1.5z"/></svg>',ap='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M18 4.5V3H2v1.5h16zm0 3V6h-5.674v1.5H18zm0 3V9h-5.674v1.5H18zm0 3V12h-5.674v1.5H18zm-8.5-6V12h-6V7.5h6zm.818-1.5H2.682C2.305 6 2 6.407 2 6.91v5.68c0 .503.305.91.682.91h7.636c.377 0 .682-.407.682-.91V6.91c0-.503-.305-.91-.682-.91zM18 16.5V15H2v1.5h16z"/></svg>',lp='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm4.5 3V12h7V7.5h-7zM5.758 6h8.484c.419 0 .758.407.758.91v5.681c0 .502-.34.909-.758.909H5.758c-.419 0-.758-.407-.758-.91V6.91c0-.503.34-.91.758-.91zM2 16.5V15h16v1.5z"/></svg>',cp='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm0 3V6h5.674v1.5zm0 3V9h5.674v1.5zm0 3V12h5.674v1.5zm8.5-6V12h6V7.5h-6zM9.682 6h7.636c.377 0 .682.407.682.91v5.68c0 .503-.305.91-.682.91H9.682c-.377 0-.682-.407-.682-.91V6.91c0-.503.305-.91.682-.91zM2 16.5V15h16v1.5z"/></svg>';
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const dp={full:{name:"full",title:"Full size image",icon:sp,isDefault:!0},side:{name:"side",title:"Side image",icon:cp,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:ap,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:lp,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:cp,className:"image-style-align-right"}},up={full:sp,left:ap,right:cp,center:lp};function hp(e=[]){return e.map(fp)}function fp(e){if("string"==typeof e){const t=e;dp[t]?e=Object.assign({},dp[t]):(Object(fn.c)("image-style-not-found",{name:t}),e={name:t})}else if(dp[e.name]){const t=dp[e.name],n=Object.assign({},e);for(const o in t)Object.prototype.hasOwnProperty.call(e,o)||(n[o]=t[o]);e=n}return"string"==typeof e.icon&&up[e.icon]&&(e.icon=up[e.icon]),e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class pp extends cd{static get pluginName(){return"ImageStyleEditing"}init(){const e=this.editor,t=e.model.schema,n=e.data,o=e.editing;e.config.define("image.styles",["full","side"]);const i=hp(e.config.get("image.styles"));t.extend("image",{allowAttributes:"imageStyle"});const r=function(e){return(t,n,o)=>{if(!o.consumable.consume(n.item,t.name))return;const i=rp(n.attributeNewValue,e),r=rp(n.attributeOldValue,e),s=o.mapper.toViewElement(n.item),a=o.writer;r&&a.removeClass(r.className,s),i&&a.addClass(i.className,s)}}(i);o.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(e){const t=e.filter(e=>!e.isDefault);return(e,n,o)=>{if(!n.modelRange)return;const i=n.viewItem,r=Uh(n.modelRange.getItems());if(!r||o.schema.checkAttribute(r,"imageStyle"))for(const e of t)o.consumable.consume(i,{classes:e.className})&&o.writer.setAttribute("imageStyle",e.name,r)}}(i),{priority:"low"}),e.commands.add("imageStyle",new ip(e,i))}}n(86);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class mp extends cd{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const e=this.editor.t;return{"Full size image":e("Full size image"),"Side image":e("Side image"),"Left aligned image":e("Left aligned image"),"Centered image":e("Centered image"),"Right aligned image":e("Right aligned image")}}init(){const e=function(e,t){for(const n of e)t[n.title]&&(n.title=t[n.title]);return e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(hp(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const t of e)this._createButton(t)}_createButton(e){const t=this.editor,n="imageStyle:"+e.name;t.ui.componentFactory.add(n,n=>{const o=t.commands.get("imageStyle"),i=new Hc(n);return i.set({label:e.title,icon:e.icon,tooltip:!0,isToggleable:!0}),i.bind("isEnabled").to(o,"isEnabled"),i.bind("isOn").to(o,"value",t=>t===e.name),this.listenTo(i,"execute",()=>{t.execute("imageStyle",{value:e.name}),t.editing.view.focus()}),i})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class gp extends cd{static get requires(){return[Yd]}static get pluginName(){return"WidgetToolbarRepository"}init(){const e=this.editor;if(e.plugins.has("BalloonToolbar")){const t=e.plugins.get("BalloonToolbar");this.listenTo(t,"show",t=>{(function(e){const t=e.getSelectedElement();return!(!t||!Cd(t))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */)(e.editing.view.document.selection)&&t.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",()=>{this._updateToolbarsVisibility()}),this.listenTo(e.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(e.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const e of this._toolbarDefinitions.values())e.view.destroy()}register(e,{ariaLabel:t,items:n,getRelatedElement:o,balloonClassName:i="ck-toolbar-container"}){if(!n.length)return void Object(fn.c)("widget-toolbar-no-items",{toolbarId:e});const r=this.editor,s=r.t,a=new ed(r.locale);if(a.ariaLabel=t||s("Widget toolbar"),this._toolbarDefinitions.has(e))throw new fn.a("widget-toolbar-duplicated",this,{toolbarId:e});a.fillFromConfig(n,r.ui.componentFactory),this._toolbarDefinitions.set(e,{view:a,getRelatedElement:o,balloonClassName:i})}_updateToolbarsVisibility(){let e=0,t=null,n=null;for(const o of this._toolbarDefinitions.values()){const i=o.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&i)if(this.editor.ui.focusTracker.isFocused){const r=i.getAncestors().length;r>e&&(e=r,t=i,n=o)}else this._isToolbarVisible(o)&&this._hideToolbar(o);else this._isToolbarInBalloon(o)&&this._hideToolbar(o)}n&&this._showToolbar(n,t)}_hideToolbar(e){this._balloon.remove(e.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(e,t){this._isToolbarVisible(e)?bp(this.editor,t):this._isToolbarInBalloon(e)||(this._balloon.add({view:e.view,position:wp(this.editor,t),balloonClassName:e.balloonClassName}),this.listenTo(this._balloon,"change:visibleView",()=>{for(const e of this._toolbarDefinitions.values())if(this._isToolbarVisible(e)){const t=e.getRelatedElement(this.editor.editing.view.document.selection);bp(this.editor,t)}}))}_isToolbarVisible(e){return this._balloon.visibleView===e.view}_isToolbarInBalloon(e){return this._balloon.hasView(e.view)}}function bp(e,t){const n=e.plugins.get("ContextualBalloon"),o=wp(e,t);n.updatePosition(o)}function wp(e,t){const n=e.editing.view,o=wd.defaultPositions;return{target:n.domConverter.mapViewToDom(t),positions:[o.northArrowSouth,o.northArrowSouthWest,o.northArrowSouthEast,o.southArrowNorth,o.southArrowNorthWest,o.southArrowNorthEast,Rd]}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
-class kp{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(e){Array.isArray(e)?e.forEach(e=>this._definitions.add(e)):this._definitions.add(e)}getDispatcher(){return e=>{e.on("attribute:linkHref",(e,t,n)=>{if(!n.consumable.test(t.item,"attribute:linkHref"))return;const o=n.writer,i=o.document.selection;for(const e of this._definitions){const r=o.createAttributeElement("a",e.attributes,{priority:5});o.setCustomProperty("link",!0,r),e.callback(t.attributeNewValue)?t.item.is("selection")?o.wrap(i.getFirstRange(),r):o.wrap(n.mapper.toViewRange(t.range),r):o.unwrap(n.mapper.toViewRange(t.range),r)}},{priority:"high"})}}getDispatcherForLinkedImage(){return e=>{e.on("attribute:linkHref:image",(e,t,n)=>{const o=n.mapper.toViewElement(t.item),i=Array.from(o.getChildren()).find(e=>"a"===e.name);for(const e of this._definitions){const o=Fn(e.attributes);if(e.callback(t.attributeNewValue))for(const[e,t]of o)"class"===e?n.writer.addClass(t,i):n.writer.setAttribute(e,t,i);else for(const[e,t]of o)"class"===e?n.writer.removeClass(t,i):n.writer.removeAttribute(e,i)}})}}}var _p=function(e,t,n){var o=e.length;return n=void 0===n?o:n,!t&&n>=o?e:ro(e,t,n)},vp=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");var yp=function(e){return vp.test(e)};var xp=function(e){return e.split("")},Cp="[\\ud800-\\udfff]",Ap="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Tp="\\ud83c[\\udffb-\\udfff]",Ep="[^\\ud800-\\udfff]",Pp="(?:\\ud83c[\\udde6-\\uddff]){2}",Sp="[\\ud800-\\udbff][\\udc00-\\udfff]",Rp="(?:"+Ap+"|"+Tp+")"+"?",Ip="[\\ufe0e\\ufe0f]?"+Rp+("(?:\\u200d(?:"+[Ep,Pp,Sp].join("|")+")[\\ufe0e\\ufe0f]?"+Rp+")*"),Op="(?:"+[Ep+Ap+"?",Ap,Pp,Sp,Cp].join("|")+")",Mp=RegExp(Tp+"(?="+Tp+")|"+Op+Ip,"g");var Vp=function(e){return e.match(Mp)||[]};var Np=function(e){return yp(e)?Vp(e):xp(e)};var Dp=function(e){return function(t){t=eo(t);var n=yp(t)?Np(t):void 0,o=n?n[0]:t.charAt(0),i=n?_p(n,1).join(""):t.slice(1);return o[e]()+i}}("toUpperCase");
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const zp=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,Fp=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i,Bp=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,Lp=/^((\w+:(\/{2,})?)|(\W))/i;function qp(e,{writer:t}){const n=t.createAttributeElement("a",{href:e},{priority:5});return t.setCustomProperty("link",!0,n),n}function jp(e){return function(e){return e.replace(zp,"").match(Fp)}(e=String(e))?e:"#"}function Hp(e,t){return!!e&&(e.is("element","image")&&t.checkAttribute("image","linkHref"))}function Wp(e,t){const n=(o=e,Bp.test(o)?"mailto:":t);var o;const i=!!n&&!Lp.test(e);return e&&i?n+e:e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class $p extends Bu{constructor(e){super(e),this.manualDecorators=new An,this.automaticDecorators=new kp}restoreManualDecoratorStates(){for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}refresh(){const e=this.editor.model,t=e.document,n=Uh(t.selection.getSelectedBlocks());Hp(n,e.schema)?(this.value=n.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttribute(n,"linkHref")):(this.value=t.selection.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttributeInSelection(t.selection,"linkHref"));for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}execute(e,t={}){const n=this.editor.model,o=n.document.selection,i=[],r=[];for(const e in t)t[e]?i.push(e):r.push(e);n.change(t=>{if(o.isCollapsed){const s=o.getFirstPosition();if(o.hasAttribute("linkHref")){const a=sf(s,"linkHref",o.getAttribute("linkHref"),n);t.setAttribute("linkHref",e,a),i.forEach(e=>{t.setAttribute(e,!0,a)}),r.forEach(e=>{t.removeAttribute(e,a)}),t.setSelection(t.createPositionAfter(a.end.nodeBefore))}else if(""!==e){const r=Fn(o.getAttributes());r.set("linkHref",e),i.forEach(e=>{r.set(e,!0)});const{end:a}=n.insertContent(t.createText(e,r),s);t.setSelection(a)}["linkHref",...i,...r].forEach(e=>{t.removeSelectionAttribute(e)})}else{const s=n.schema.getValidRanges(o.getRanges(),"linkHref"),a=[];for(const e of o.getSelectedBlocks())n.schema.checkAttribute(e,"linkHref")&&a.push(t.createRangeOn(e));const l=a.slice();for(const e of s)this._isRangeToUpdate(e,a)&&l.push(e);for(const n of l)t.setAttribute("linkHref",e,n),i.forEach(e=>{t.setAttribute(e,!0,n)}),r.forEach(e=>{t.removeAttribute(e,n)})}})}_getDecoratorStateFromModel(e){const t=this.editor.model,n=t.document,o=Uh(n.selection.getSelectedBlocks());return Hp(o,t.schema)?o.getAttribute(e):n.selection.getAttribute(e)}_isRangeToUpdate(e,t){for(const n of t)if(n.containsRange(e))return!1;return!0}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Up extends Bu{refresh(){const e=this.editor.model,t=e.document,n=Uh(t.selection.getSelectedBlocks());Hp(n,e.schema)?this.isEnabled=e.schema.checkAttribute(n,"linkHref"):this.isEnabled=e.schema.checkAttributeInSelection(t.selection,"linkHref")}execute(){const e=this.editor,t=this.editor.model,n=t.document.selection,o=e.commands.get("link");t.change(e=>{const i=n.isCollapsed?[sf(n.getFirstPosition(),"linkHref",n.getAttribute("linkHref"),t)]:t.schema.getValidRanges(n.getRanges(),"linkHref");for(const t of i)if(e.removeAttribute("linkHref",t),o)for(const n of o.manualDecorators)e.removeAttribute(n.id,t)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Gp{constructor({id:e,label:t,attributes:n,defaultValue:o}){this.id=e,this.set("value"),this.defaultValue=o,this.label=t,this.attributes=n}}Cn(Gp,$o);n(88);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const Kp=/^(https?:)?\/\//;class Jp extends cd{static get pluginName(){return"LinkEditing"}static get requires(){return[ef,wh,zu]}constructor(e){super(e),e.config.define("link",{addTargetToExternalLinks:!1})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"linkHref"}),e.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:qp}),e.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(e,t)=>qp(jp(e),t)}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:e=>e.getAttribute("href")}}),e.commands.add("link",new $p(e)),e.commands.add("unlink",new Up(e));const t=function(e,t){const n={"Open in a new tab":e("Open in a new tab"),Downloadable:e("Downloadable")};return t.forEach(e=>(e.label&&n[e.label]&&(e.label=n[e.label]),e)),t}(e.t,function(e){const t=[];if(e)for(const[n,o]of Object.entries(e)){const e=Object.assign({},o,{id:"link"+Dp(n)});t.push(e)}return t}(e.config.get("link.decorators")));this._enableAutomaticDecorators(t.filter(e=>"automatic"===e.mode)),this._enableManualDecorators(t.filter(e=>"manual"===e.mode));e.plugins.get(ef).registerAttribute("linkHref"),lf(e,"linkHref","a","ck-link_selected"),this._enableInsertContentSelectionAttributesFixer(),this._enableClickingAfterLink(),this._enableTypingOverLink(),this._handleDeleteContentAfterLink()}_enableAutomaticDecorators(e){const t=this.editor,n=t.commands.get("link").automaticDecorators;t.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:"automatic",callback:e=>Kp.test(e),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(e),n.length&&t.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(e){if(!e.length)return;const t=this.editor,n=t.commands.get("link").manualDecorators;e.forEach(e=>{t.model.schema.extend("$text",{allowAttributes:e.id}),n.add(new Gp(e)),t.conversion.for("downcast").attributeToElement({model:e.id,view:(t,{writer:o})=>{if(t){const t=n.get(e.id).attributes,i=o.createAttributeElement("a",t,{priority:5});return o.setCustomProperty("link",!0,i),i}}}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:n.get(e.id).attributes},model:{key:e.id}})})}_enableInsertContentSelectionAttributesFixer(){const e=this.editor,t=e.model,n=t.document.selection,o=e.commands.get("link");this.listenTo(t,"insertContent",()=>{const e=n.anchor.nodeBefore,i=n.anchor.nodeAfter;n.hasAttribute("linkHref")&&e&&e.hasAttribute("linkHref")&&(i&&i.hasAttribute("linkHref")||t.change(e=>{Zp(e,o.manualDecorators)}))},{priority:"low"})}_enableClickingAfterLink(){const e=this.editor,t=e.commands.get("link");e.editing.view.addObserver(Ld);let n=!1;this.listenTo(e.editing.view.document,"mousedown",()=>{n=!0}),this.listenTo(e.editing.view.document,"selectionChange",()=>{if(!n)return;n=!1;const o=e.model.document.selection;if(!o.isCollapsed)return;if(!o.hasAttribute("linkHref"))return;const i=o.getFirstPosition(),r=sf(i,"linkHref",o.getAttribute("linkHref"),e.model);(i.isTouching(r.start)||i.isTouching(r.end))&&e.model.change(e=>{Zp(e,t.manualDecorators)})})}_enableTypingOverLink(){const e=this.editor,t=e.editing.view;let n,o;this.listenTo(t.document,"delete",()=>{o=!0},{priority:"high"}),this.listenTo(e.model,"deleteContent",()=>{const t=e.model.document.selection;t.isCollapsed||(o?o=!1:Qp(e)&&function(e){const t=e.document.selection,n=t.getFirstPosition(),o=t.getLastPosition(),i=n.nodeAfter;if(!i)return!1;if(!i.is("$text"))return!1;if(!i.hasAttribute("linkHref"))return!1;const r=o.textNode||o.nodeBefore;if(i===r)return!0;return sf(n,"linkHref",i.getAttribute("linkHref"),e).containsRange(e.createRange(n,o),!0)}(e.model)&&(n=t.getAttributes()))},{priority:"high"}),this.listenTo(e.model,"insertContent",(t,[i])=>{o=!1,Qp(e)&&n&&(e.model.change(e=>{for(const[t,o]of n)e.setAttribute(t,o,i)}),n=null)},{priority:"high"})}_handleDeleteContentAfterLink(){const e=this.editor,t=e.model,n=t.document.selection,o=e.editing.view,i=e.commands.get("link");let r=!1,s=!1;this.listenTo(o.document,"delete",(e,t)=>{s=t.domEvent.keyCode===bi.backspace},{priority:"high"}),this.listenTo(t,"deleteContent",()=>{r=!1;const e=n.getFirstPosition(),o=n.getAttribute("linkHref");if(!o)return;const i=sf(e,"linkHref",o,t);r=i.containsPosition(e)||i.end.isEqual(e)},{priority:"high"}),this.listenTo(t,"deleteContent",()=>{s&&(s=!1,r||e.model.enqueueChange(e=>{Zp(e,i.manualDecorators)}))},{priority:"low"})}}function Zp(e,t){e.removeSelectionAttribute("linkHref");for(const n of t)e.removeSelectionAttribute(n.id)}function Qp(e){return e.plugins.get("Input").isInput(e.model.change(e=>e.batch))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Yp extends Br{constructor(e){super(e),this.domEventType="click"}onDomEvent(e){this.fire(e.type,e)}}n(90);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Xp extends yc{constructor(e,t){super(e);const n=e.t;this.focusTracker=new Kl,this.keystrokes=new jl,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("Save"),$f,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("Cancel"),Uf,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(t),this.children=this._createFormChildren(t.manualDecorators),this._focusables=new nc,this._focusCycler=new Sc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form","ck-responsive-form"];t.manualDecorators.length&&o.push("ck-link-form_layout-vertical","ck-vertical-form"),this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children}),Hf(this)}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((e,t)=>(e[t.name]=t.isOn,e),{})}render(){super.render(),Wf({view:this});[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const e=this.locale.t,t=new Bf(this.locale,qf);return t.label=e("Link URL"),t}_createButton(e,t,n,o){const i=new Hc(this.locale);return i.set({label:e,icon:t,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}_createManualDecoratorSwitches(e){const t=this.createCollection();for(const n of e.manualDecorators){const o=new Jc(this.locale);o.set({name:n.id,label:n.label,withText:!0}),o.bind("isOn").toMany([n,e],"value",(e,t)=>void 0===t&&void 0===e?n.defaultValue:e),o.on("execute",()=>{n.set("value",!o.isOn)}),t.add(o)}return t}_createFormChildren(e){const t=this.createCollection();if(t.add(this.urlInputView),e.length){const e=new yc;e.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map(e=>({tag:"li",children:[e],attributes:{class:["ck","ck-list__item"]}})),attributes:{class:["ck","ck-reset","ck-list"]}}),t.add(e)}return t.add(this.saveButtonView),t.add(this.cancelButtonView),t}}n(92);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class em extends yc{constructor(e){super(e);const t=e.t;this.focusTracker=new Kl,this.keystrokes=new jl,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(t("Unlink"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562l-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',"unlink"),this.editButtonView=this._createButton(t("Edit link"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7.3 17.37l-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506L13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5L9.375 17H19v1.5H8z"/></svg>',"edit"),this.set("href"),this._focusables=new nc,this._focusCycler=new Sc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render();[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(e,t,n){const o=new Hc(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.delegate("execute").to(this,n),o}_createPreviewButton(){const e=new Hc(this.locale),t=this.bindTemplate,n=this.t;return e.set({withText:!0,tooltip:n("Open link in new tab")}),e.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:t.to("href",e=>e&&jp(e)),target:"_blank",rel:"noopener noreferrer"}}),e.bind("label").to(this,"href",e=>e||n("This link has no URL")),e.bind("isEnabled").to(this,"href",e=>!!e),e.template.tag="a",e.template.eventListeners={},e}}class tm extends cd{static get requires(){return[Yd]}static get pluginName(){return"LinkUI"}init(){const e=this.editor;e.editing.view.addObserver(Yp),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=e.plugins.get(Yd),this._createToolbarLinkButton(),this._enableUserBalloonInteractions(),e.conversion.for("editingDowncast").markerToHighlight({model:"link-ui",view:{classes:["ck-fake-link-selection"]}}),e.conversion.for("editingDowncast").markerToElement({model:"link-ui",view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const e=this.editor,t=new em(e.locale),n=e.commands.get("link"),o=e.commands.get("unlink");return t.bind("href").to(n,"value"),t.editButtonView.bind("isEnabled").to(n),t.unlinkButtonView.bind("isEnabled").to(o),this.listenTo(t,"edit",()=>{this._addFormView()}),this.listenTo(t,"unlink",()=>{e.execute("unlink"),this._hideUI()}),t.keystrokes.set("Esc",(e,t)=>{this._hideUI(),t()}),t.keystrokes.set("Ctrl+K",(e,t)=>{this._addFormView(),t()}),t}_createFormView(){const e=this.editor,t=e.commands.get("link"),n=e.config.get("link.defaultProtocol"),o=new Xp(e.locale,t);return o.urlInputView.fieldView.bind("value").to(t,"value"),o.urlInputView.bind("isReadOnly").to(t,"isEnabled",e=>!e),o.saveButtonView.bind("isEnabled").to(t),this.listenTo(o,"submit",()=>{const{value:t}=o.urlInputView.fieldView.element,i=Wp(t,n);e.execute("link",i,o.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(o,"cancel",()=>{this._closeFormView()}),o.keystrokes.set("Esc",(e,t)=>{this._closeFormView(),t()}),o}_createToolbarLinkButton(){const e=this.editor,t=e.commands.get("link"),n=e.t;e.keystrokes.set("Ctrl+K",(e,n)=>{n(),t.isEnabled&&this._showUI(!0)}),e.ui.componentFactory.add("link",e=>{const o=new Hc(e);return o.isEnabled=!0,o.label=n("Link"),o.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>',o.keystroke="Ctrl+K",o.tooltip=!0,o.isToggleable=!0,o.bind("isEnabled").to(t,"isEnabled"),o.bind("isOn").to(t,"value",e=>!!e),this.listenTo(o,"execute",()=>this._showUI(!0)),o})}_enableUserBalloonInteractions(){const e=this.editor.editing.view.document;this.listenTo(e,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(e,t)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),t())},{priority:"high"}),this.editor.keystrokes.set("Esc",(e,t)=>{this._isUIVisible&&(this._hideUI(),t())}),Zc({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const e=this.editor.commands.get("link");this.formView.disableCssTransitions(),this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.enableCssTransitions(),this.formView.urlInputView.fieldView.element.value=e.value||""}_closeFormView(){const e=this.editor.commands.get("link");e.restoreManualDecoratorStates(),void 0!==e.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(e=!1){this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),e&&this._balloon.showStack("main")):(this._showFakeVisualSelection(),this._addActionsView(),e&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const e=this.editor;this.stopListening(e.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),e.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const e=this.editor,t=e.editing.view.document;let n=this._getSelectedLinkElement(),o=r();const i=()=>{const e=this._getSelectedLinkElement(),t=r();n&&!e||!n&&t!==o?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),n=e,o=t};function r(){return t.selection.focus.getAncestors().reverse().find(e=>e.is("element"))}this.listenTo(e.ui,"update",i),this.listenTo(this._balloon,"change:visibleView",i)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const e=this.editor.editing.view,t=this.editor.model,n=e.document;let o=null;if(t.markers.has("link-ui")){const t=Array.from(this.editor.editing.mapper.markerNameToElements("link-ui")),n=e.createRange(e.createPositionBefore(t[0]),e.createPositionAfter(t[t.length-1]));o=e.domConverter.viewRangeToDom(n)}else{const t=this._getSelectedLinkElement(),i=n.selection.getFirstRange();o=t?e.domConverter.mapViewToDom(t):e.domConverter.viewRangeToDom(i)}return{target:o}}_getSelectedLinkElement(){const e=this.editor.editing.view,t=e.document.selection;if(t.isCollapsed)return nm(t.getFirstPosition());{const n=t.getFirstRange().getTrimmed(),o=nm(n.start),i=nm(n.end);return o&&o==i&&e.createRangeIn(o).getTrimmed().isEqual(n)?o:null}}_showFakeVisualSelection(){const e=this.editor.model;e.change(t=>{const n=e.document.selection.getFirstRange();if(e.markers.has("link-ui"))t.updateMarker("link-ui",{range:n});else if(n.start.isAtEnd){const o=n.start.getLastMatchingPosition(({item:t})=>!e.schema.isContent(t),{boundaries:n});t.addMarker("link-ui",{usingOperation:!1,affectsData:!1,range:t.createRange(o,n.end)})}else t.addMarker("link-ui",{usingOperation:!1,affectsData:!1,range:n})})}_hideFakeVisualSelection(){const e=this.editor.model;e.markers.has("link-ui")&&e.change(e=>{e.removeMarker("link-ui")})}}function nm(e){return e.getAncestors().find(e=>{return(t=e).is("attributeElement")&&!!t.getCustomProperty("link");var t})}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function om(e,t){let n=e.start;return{text:Array.from(e.getItems()).reduce((e,o)=>o.is("$text")||o.is("$textProxy")?e+o.data:(n=t.createPositionAfter(o),""),""),range:t.createRange(n,e.end)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class im{constructor(e,t){this.model=e,this.testCallback=t,this.hasMatch=!1,this.set("isEnabled",!0),this.on("change:isEnabled",()=>{this.isEnabled?this._startListening():(this.stopListening(e.document.selection),this.stopListening(e.document))}),this._startListening()}_startListening(){const e=this.model.document;this.listenTo(e.selection,"change:range",(t,{directChange:n})=>{n&&(e.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this.hasMatch=!1))}),this.listenTo(e,"change:data",(e,t)=>{"transparent"!=t.type&&this._evaluateTextBeforeSelection("data",{batch:t})})}_evaluateTextBeforeSelection(e,t={}){const n=this.model,o=n.document.selection,i=n.createRange(n.createPositionAt(o.focus.parent,0),o.focus),{text:r,range:s}=om(i,n),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=!!a,a){const n=Object.assign(t,{text:r,range:s});"object"==typeof a&&Object.assign(n,a),this.fire("matched:"+e,n)}}}Cn(im,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const rm=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.)+(?:[a-z\\u00a1-\\uffff]{2,}))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.))+(?:[a-z\\u00a1-\\uffff]{2,})))$","i");class sm extends cd{static get pluginName(){return"AutoLink"}init(){const e=this.editor.model.document.selection;e.on("change:range",()=>{this.isEnabled=!e.anchor.parent.is("element","codeBlock")}),this._enableTypingHandling()}afterInit(){this._enableEnterHandling(),this._enableShiftEnterHandling()}_enableTypingHandling(){const e=this.editor,t=new im(e.model,e=>{if(!function(e){return e.length>4&&" "===e[e.length-1]&&" "!==e[e.length-2]}(e))return;const t=am(e.substr(0,e.length-1));return t?{url:t}:void 0}),n=e.plugins.get("Input");t.on("matched:data",(t,o)=>{const{batch:i,range:r,url:s}=o;if(!n.isInput(i))return;const a=r.end.getShiftedBy(-1),l=a.getShiftedBy(-s.length),c=e.model.createRange(l,a);this._applyAutoLink(s,c)}),t.bind("isEnabled").to(this)}_enableEnterHandling(){const e=this.editor,t=e.model,n=e.commands.get("enter");n&&n.on("execute",()=>{const e=t.document.selection.getFirstPosition();if(!e.parent.previousSibling)return;const n=t.createRangeIn(e.parent.previousSibling);this._checkAndApplyAutoLinkOnRange(n)})}_enableShiftEnterHandling(){const e=this.editor,t=e.model,n=e.commands.get("shiftEnter");n&&n.on("execute",()=>{const e=t.document.selection.getFirstPosition(),n=t.createRange(t.createPositionAt(e.parent,0),e.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(n)})}_checkAndApplyAutoLinkOnRange(e){const t=this.editor.model,{text:n,range:o}=om(e,t),i=am(n);if(i){const e=t.createRange(o.end.getShiftedBy(-i.length),o.end);this._applyAutoLink(i,e)}}_applyAutoLink(e,t){const n=this.editor.model;this.isEnabled&&function(e,t){return t.schema.checkAttributeInSelection(t.createSelection(e),"linkHref")}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(t,n)&&n.enqueueChange(n=>{const o=this.editor.config.get("link.defaultProtocol"),i=Wp(e,o);n.setAttribute("linkHref",i,t)})}}function am(e){const t=rm.exec(e);return t?t[2]:null}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class lm extends Bu{constructor(e,t){super(e),this.type=t}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model,t=e.document,n=Array.from(t.selection.getSelectedBlocks()).filter(t=>dm(t,e.schema)),o=!0===this.value;e.change(e=>{if(o){let t=n[n.length-1].nextSibling,o=Number.POSITIVE_INFINITY,i=[];for(;t&&"listItem"==t.name&&0!==t.getAttribute("listIndent");){const e=t.getAttribute("listIndent");e<o&&(o=e);const n=e-o;i.push({element:t,listIndent:n}),t=t.nextSibling}i=i.reverse();for(const t of i)e.setAttribute("listIndent",t.listIndent,t.element)}if(!o){let e=Number.POSITIVE_INFINITY;for(const t of n)t.is("element","listItem")&&t.getAttribute("listIndent")<e&&(e=t.getAttribute("listIndent"));e=0===e?1:e,cm(n,!0,e),cm(n,!1,e)}for(const t of n.reverse())o&&"listItem"==t.name?e.rename(t,"paragraph"):o||"listItem"==t.name?o||"listItem"!=t.name||t.getAttribute("listType")==this.type||e.setAttribute("listType",this.type,t):(e.setAttributes({listType:this.type,listIndent:0},t),e.rename(t,"listItem"));this.fire("_executeCleanup",n)})}_getValue(){const e=Uh(this.editor.model.document.selection.getSelectedBlocks());return!!e&&e.is("element","listItem")&&e.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const e=this.editor.model.document.selection,t=this.editor.model.schema,n=Uh(e.getSelectedBlocks());return!!n&&dm(n,t)}}function cm(e,t,n){const o=t?e[0]:e[e.length-1];if(o.is("element","listItem")){let i=o[t?"previousSibling":"nextSibling"],r=o.getAttribute("listIndent");for(;i&&i.is("element","listItem")&&i.getAttribute("listIndent")>=n;)r>i.getAttribute("listIndent")&&(r=i.getAttribute("listIndent")),i.getAttribute("listIndent")==r&&e[t?"unshift":"push"](i),i=i[t?"previousSibling":"nextSibling"]}}function dm(e,t){return t.checkChild(e.parent,"listItem")&&!t.isObject(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class um extends Bu{constructor(e,t){super(e),this._indentBy="forward"==t?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model,t=e.document;let n=Array.from(t.selection.getSelectedBlocks());e.change(e=>{const t=n[n.length-1];let o=t.nextSibling;for(;o&&"listItem"==o.name&&o.getAttribute("listIndent")>t.getAttribute("listIndent");)n.push(o),o=o.nextSibling;this._indentBy<0&&(n=n.reverse());for(const t of n){const n=t.getAttribute("listIndent")+this._indentBy;n<0?e.rename(t,"paragraph"):e.setAttribute("listIndent",n,t)}this.fire("_executeCleanup",n)})}_checkEnabled(){const e=Uh(this.editor.model.document.selection.getSelectedBlocks());if(!e||!e.is("element","listItem"))return!1;if(this._indentBy>0){const t=e.getAttribute("listIndent"),n=e.getAttribute("listType");let o=e.previousSibling;for(;o&&o.is("element","listItem")&&o.getAttribute("listIndent")>=t;){if(o.getAttribute("listIndent")==t)return o.getAttribute("listType")==n;o=o.previousSibling}return!1}return!0}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function hm(e,t){const n=t.mapper,o=t.writer,i="numbered"==e.getAttribute("listType")?"ol":"ul",r=function(e){const t=e.createContainerElement("li");return t.getFillerOffset=km,t}(o),s=o.createContainerElement(i,null);return o.insert(o.createPositionAt(s,0),r),n.bindElements(e,r),r}function fm(e,t,n,o){const i=t.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(o.createPositionBefore(e));const l=gm(e.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:e.getAttribute("listIndent")}),c=e.previousSibling;if(l&&l.getAttribute("listIndent")==e.getAttribute("listIndent")){const e=r.toViewElement(l);a=s.breakContainer(s.createPositionAfter(e))}else if(c&&"listItem"==c.name){a=r.toViewPosition(o.createPositionAt(c,"end"));const e=r.findMappedViewAncestor(a),t=wm(e);a=t?s.createPositionBefore(t):s.createPositionAt(e,"end")}else a=r.toViewPosition(o.createPositionBefore(e));if(a=mm(a),s.insert(a,i),c&&"listItem"==c.name){const e=r.toViewElement(c),n=s.createRange(s.createPositionAt(e,0),a).getWalker({ignoreElementEnd:!0});for(const e of n)if(e.item.is("element","li")){const o=s.breakContainer(s.createPositionBefore(e.item)),i=e.item.parent,r=s.createPositionAt(t,"end");pm(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(i),r),n.position=o}}else{const n=i.nextSibling;if(n&&(n.is("element","ul")||n.is("element","ol"))){let o=null;for(const t of n.getChildren()){const n=r.toModelElement(t);if(!(n&&n.getAttribute("listIndent")>e.getAttribute("listIndent")))break;o=t}o&&(s.breakContainer(s.createPositionAfter(o)),s.move(s.createRangeOn(o.parent),s.createPositionAt(t,"end")))}}pm(s,i,i.nextSibling),pm(s,i.previousSibling,i)}function pm(e,t,n){return!t||!n||"ul"!=t.name&&"ol"!=t.name||t.name!=n.name||t.getAttribute("class")!==n.getAttribute("class")?null:e.mergeContainers(e.createPositionAfter(t))}function mm(e){return e.getLastMatchingPosition(e=>e.item.is("uiElement"))}function gm(e,t){const n=!!t.sameIndent,o=!!t.smallerIndent,i=t.listIndent;let r=e;for(;r&&"listItem"==r.name;){const e=r.getAttribute("listIndent");if(n&&i==e||o&&i>e)return r;r="forward"===t.direction?r.nextSibling:r.previousSibling}return null}function bm(e,t,n,o){e.ui.componentFactory.add(t,i=>{const r=e.commands.get(t),s=new Hc(i);return s.set({label:n,icon:o,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>{e.execute(t),e.editing.view.focus()}),s})}function wm(e){for(const t of e.getChildren())if("ul"==t.name||"ol"==t.name)return t;return null}function km(){const e=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||e?0:Bo.call(this)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function _m(e){return(t,n,o)=>{const i=o.consumable;if(!i.test(n.item,"insert")||!i.test(n.item,"attribute:listType")||!i.test(n.item,"attribute:listIndent"))return;i.consume(n.item,"insert"),i.consume(n.item,"attribute:listType"),i.consume(n.item,"attribute:listIndent");const r=n.item;fm(r,hm(r,o),o,e)}}function vm(e,t,n){if(!n.consumable.consume(t.item,"attribute:listType"))return;const o=n.mapper.toViewElement(t.item),i=n.writer;i.breakContainer(i.createPositionBefore(o)),i.breakContainer(i.createPositionAfter(o));const r=o.parent,s="numbered"==t.attributeNewValue?"ol":"ul";i.rename(s,r)}function ym(e,t,n){const o=n.mapper.toViewElement(t.item).parent,i=n.writer;pm(i,o,o.nextSibling),pm(i,o.previousSibling,o);for(const e of t.item.getChildren())n.consumable.consume(e,"insert")}function xm(e,t,n){if("listItem"!=t.item.name){let e=n.mapper.toViewPosition(t.range.start);const o=n.writer,i=[];for(;("ul"==e.parent.name||"ol"==e.parent.name)&&(e=o.breakContainer(e),"li"==e.parent.name);){const t=e,n=o.createPositionAt(e.parent,"end");if(!t.isEqual(n)){const e=o.remove(o.createRange(t,n));i.push(e)}e=o.createPositionAfter(e.parent)}if(i.length>0){for(let t=0;t<i.length;t++){const n=e.nodeBefore;if(e=o.insert(e,i[t]).end,t>0){const t=pm(o,n,n.nextSibling);t&&t.parent==n&&e.offset--}}pm(o,e.nodeBefore,e.nodeAfter)}}}function Cm(e,t,n){const o=n.mapper.toViewPosition(t.position),i=o.nodeBefore,r=o.nodeAfter;pm(n.writer,i,r)}function Am(e,t,n){if(n.consumable.consume(t.viewItem,{name:!0})){const e=n.writer,o=e.createElement("listItem"),i=function(e){let t=0,n=e.parent;for(;n;){if(n.is("element","li"))t++;else{const e=n.previousSibling;e&&e.is("element","li")&&t++}n=n.parent}return t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(t.viewItem);e.setAttribute("listIndent",i,o);const r=t.viewItem.parent&&"ol"==t.viewItem.parent.name?"numbered":"bulleted";if(e.setAttribute("listType",r,o),!n.safeInsert(o,t.modelCursor))return;const s=function(e,t,n){const{writer:o,schema:i}=n;let r=o.createPositionAfter(e);for(const s of t)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const t=n.convertItem(s,o.createPositionAt(e,"end")),a=t.modelRange.start.nodeAfter;a&&a.is("element")&&!i.checkChild(e,a.name)&&(e=t.modelCursor.parent.is("element","listItem")?t.modelCursor.parent:Rm(t.modelCursor),r=o.createPositionAfter(e))}return r}(o,t.viewItem.getChildren(),n);t.modelRange=e.createRange(t.modelCursor,s),n.updateConversionResult(o,t)}}function Tm(e,t,n){if(n.consumable.test(t.viewItem,{name:!0})){const e=Array.from(t.viewItem.getChildren());for(const t of e){!(t.is("element","li")||Om(t))&&t._remove()}}}function Em(e,t,n){if(n.consumable.test(t.viewItem,{name:!0})){if(0===t.viewItem.childCount)return;const e=[...t.viewItem.getChildren()];let n=!1,o=!0;for(const t of e)n&&!Om(t)&&t._remove(),t.is("$text")?(o&&(t._data=t.data.replace(/^\s+/,"")),t.nextSibling&&!Om(t.nextSibling)||(t._data=t.data.replace(/\s+$/,""))):Om(t)&&(n=!0),o=!1}}function Pm(e){return(t,n)=>{if(n.isPhantom)return;const o=n.modelPosition.nodeBefore;if(o&&o.is("element","listItem")){const t=n.mapper.toViewElement(o),i=t.getAncestors().find(Om),r=e.createPositionAt(t,0).getWalker();for(const e of r){if("elementStart"==e.type&&e.item.is("element","li")){n.viewPosition=e.previousPosition;break}if("elementEnd"==e.type&&e.item==i){n.viewPosition=e.nextPosition;break}}}}}function Sm(e,[t,n]){let o,i=t.is("documentFragment")?t.getChild(0):t;if(o=n?this.createSelection(n):this.document.selection,i&&i.is("element","listItem")){const e=o.getFirstPosition();let t=null;if(e.parent.is("element","listItem")?t=e.parent:e.nodeBefore&&e.nodeBefore.is("element","listItem")&&(t=e.nodeBefore),t){const e=t.getAttribute("listIndent");if(e>0)for(;i&&i.is("element","listItem");)i._setAttribute("listIndent",i.getAttribute("listIndent")+e),i=i.nextSibling}}}function Rm(e){const t=new Cs({startPosition:e});let n;do{n=t.next()}while(!n.value.item.is("element","listItem"));return n.value.item}function Im(e,t,n,o,i,r){const s=gm(t.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:e,foo:"b"}),a=i.mapper,l=i.writer,c=s?s.getAttribute("listIndent"):null;let d;if(s)if(c==e){const e=a.toViewElement(s).parent;d=l.createPositionAfter(e)}else{const e=r.createPositionAt(s,"end");d=a.toViewPosition(e)}else d=n;d=mm(d);for(const e of[...o.getChildren()])Om(e)&&(d=l.move(l.createRangeOn(e),d).end,pm(l,e,e.nextSibling),pm(l,e.previousSibling,e))}function Om(e){return e.is("element","ol")||e.is("element","ul")}class Mm extends cd{static get pluginName(){return"ListEditing"}static get requires(){return[Af]}init(){const e=this.editor;e.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const t=e.data,n=e.editing;var o;e.model.document.registerPostFixer(t=>function(e,t){const n=e.document.differ.getChanges(),o=new Map;let i=!1;for(const o of n)if("insert"==o.type&&"listItem"==o.name)r(o.position);else if("insert"==o.type&&"listItem"!=o.name){if("$text"!=o.name){const n=o.position.nodeAfter;n.hasAttribute("listIndent")&&(t.removeAttribute("listIndent",n),i=!0),n.hasAttribute("listType")&&(t.removeAttribute("listType",n),i=!0),n.hasAttribute("listStyle")&&(t.removeAttribute("listStyle",n),i=!0);for(const t of Array.from(e.createRangeIn(n)).filter(e=>e.item.is("element","listItem")))r(t.previousPosition)}r(o.position.getShiftedBy(o.length))}else"remove"==o.type&&"listItem"==o.name?r(o.position):("attribute"==o.type&&"listIndent"==o.attributeKey||"attribute"==o.type&&"listType"==o.attributeKey)&&r(o.range.start);for(const e of o.values())s(e),a(e);return i;function r(e){const t=e.nodeBefore;if(t&&t.is("element","listItem")){let e=t;if(o.has(e))return;for(let t=e.previousSibling;t&&t.is("element","listItem");t=e.previousSibling)if(e=t,o.has(e))return;o.set(t,e)}else{const t=e.nodeAfter;t&&t.is("element","listItem")&&o.set(t,t)}}function s(e){let n=0,o=null;for(;e&&e.is("element","listItem");){const r=e.getAttribute("listIndent");if(r>n){let s;null===o?(o=r-n,s=n):(o>r&&(o=r),s=r-o),t.setAttribute("listIndent",s,e),i=!0}else o=null,n=e.getAttribute("listIndent")+1;e=e.nextSibling}}function a(e){let n=[],o=null;for(;e&&e.is("element","listItem");){const r=e.getAttribute("listIndent");if(o&&o.getAttribute("listIndent")>r&&(n=n.slice(0,r+1)),0!=r)if(n[r]){const o=n[r];e.getAttribute("listType")!=o&&(t.setAttribute("listType",o,e),i=!0)}else n[r]=e.getAttribute("listType");o=e,e=e.nextSibling}}}(e.model,t)),n.mapper.registerViewToModelLength("li",Vm),t.mapper.registerViewToModelLength("li",Vm),n.mapper.on("modelToViewPosition",Pm(n.view)),n.mapper.on("viewToModelPosition",(o=e.model,(e,t)=>{const n=t.viewPosition,i=n.parent,r=t.mapper;if("ul"==i.name||"ol"==i.name){if(n.isAtEnd){const e=r.toModelElement(n.nodeBefore),i=r.getModelLength(n.nodeBefore);t.modelPosition=o.createPositionBefore(e).getShiftedBy(i)}else{const e=r.toModelElement(n.nodeAfter);t.modelPosition=o.createPositionBefore(e)}e.stop()}else if("li"==i.name&&n.nodeBefore&&("ul"==n.nodeBefore.name||"ol"==n.nodeBefore.name)){const s=r.toModelElement(i);let a=1,l=n.nodeBefore;for(;l&&Om(l);)a+=r.getModelLength(l),l=l.previousSibling;t.modelPosition=o.createPositionBefore(s).getShiftedBy(a),e.stop()}})),t.mapper.on("modelToViewPosition",Pm(n.view)),e.conversion.for("editingDowncast").add(t=>{t.on("insert",xm,{priority:"high"}),t.on("insert:listItem",_m(e.model)),t.on("attribute:listType:listItem",vm,{priority:"high"}),t.on("attribute:listType:listItem",ym,{priority:"low"}),t.on("attribute:listIndent:listItem",function(e){return(t,n,o)=>{if(!o.consumable.consume(n.item,"attribute:listIndent"))return;const i=o.mapper.toViewElement(n.item),r=o.writer;r.breakContainer(r.createPositionBefore(i)),r.breakContainer(r.createPositionAfter(i));const s=i.parent,a=s.previousSibling,l=r.createRangeOn(s);r.remove(l),a&&a.nextSibling&&pm(r,a,a.nextSibling),Im(n.attributeOldValue+1,n.range.start,l.start,i,o,e),fm(n.item,i,o,e);for(const e of n.item.getChildren())o.consumable.consume(e,"insert")}}(e.model)),t.on("remove:listItem",function(e){return(t,n,o)=>{const i=o.mapper.toViewPosition(n.position).getLastMatchingPosition(e=>!e.item.is("element","li")).nodeAfter,r=o.writer;r.breakContainer(r.createPositionBefore(i)),r.breakContainer(r.createPositionAfter(i));const s=i.parent,a=s.previousSibling,l=r.createRangeOn(s),c=r.remove(l);a&&a.nextSibling&&pm(r,a,a.nextSibling);Im(o.mapper.toModelElement(i).getAttribute("listIndent")+1,n.position,l.start,i,o,e);for(const e of r.createRangeIn(c).getItems())o.mapper.unbindViewElement(e);t.stop()}}(e.model)),t.on("remove",Cm,{priority:"low"})}),e.conversion.for("dataDowncast").add(t=>{t.on("insert",xm,{priority:"high"}),t.on("insert:listItem",_m(e.model))}),e.conversion.for("upcast").add(e=>{e.on("element:ul",Tm,{priority:"high"}),e.on("element:ol",Tm,{priority:"high"}),e.on("element:li",Em,{priority:"high"}),e.on("element:li",Am)}),e.model.on("insertContent",Sm,{priority:"high"}),e.commands.add("numberedList",new lm(e,"numbered")),e.commands.add("bulletedList",new lm(e,"bulleted")),e.commands.add("indentList",new um(e,"forward")),e.commands.add("outdentList",new um(e,"backward"));const i=n.view.document;this.listenTo(i,"enter",(e,t)=>{const n=this.editor.model.document,o=n.selection.getLastPosition().parent;n.selection.isCollapsed&&"listItem"==o.name&&o.isEmpty&&(this.editor.execute("outdentList"),t.preventDefault(),e.stop())}),this.listenTo(i,"delete",(e,t)=>{if("backward"!==t.direction)return;const n=this.editor.model.document.selection;if(!n.isCollapsed)return;const o=n.getFirstPosition();if(!o.isAtStart)return;const i=o.parent;if("listItem"!==i.name)return;i.previousSibling&&"listItem"===i.previousSibling.name||(this.editor.execute("outdentList"),t.preventDefault(),e.stop())},{priority:hn.high+10});const r=e=>(t,n)=>{this.editor.commands.get(e).isEnabled&&(this.editor.execute(e),n())};e.keystrokes.set("Tab",r("indentList")),e.keystrokes.set("Shift+Tab",r("outdentList"))}afterInit(){const e=this.editor.commands,t=e.get("indent"),n=e.get("outdent");t&&t.registerChildCommand(e.get("indentList")),n&&n.registerChildCommand(e.get("outdentList"))}}function Vm(e){let t=1;for(const n of e.getChildren())if("ul"==n.name||"ol"==n.name)for(const e of n.getChildren())t+=Vm(e);return t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Nm extends cd{init(){const e=this.editor.t;bm(this.editor,"numberedList",e("Numbered List"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z"/></svg>'),bm(this.editor,"bulletedList",e("Bulleted List"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z"/></svg>')}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const Dm=Symbol("isOPCodeBlock");function zm(e){return!!e.getCustomProperty(Dm)&&Cd(e)}function Fm(e){const t=e.getSelectedElement();return!(!t||!zm(t))}function Bm(e,t,n){const o=t.createContainerElement("pre",{title:window.I18n.t("js.editor.macro.toolbar_help")});return Lm(t,e,o),function(e,t,n){return t.setCustomProperty(Dm,!0,e),Ad(e,t,{label:n})}(o,t,n)}function Lm(e,t,n){const o=(t.getAttribute("opCodeblockLanguage")||"language-text").replace(/^language-/,""),i=e.createContainerElement("div",{class:"op-uc-code-block--language"});qm(e,o,i,"text"),e.insert(e.createPositionAt(n,0),i);qm(e,t.getAttribute("opCodeblockContent"),n,"(empty)")}function qm(e,t,n,o){const i=e.createText(t||o);e.insert(e.createPositionAt(n,0),i)}class jm extends Br{constructor(e){super(e),this.domEventType="dblclick"}onDomEvent(e){this.fire(e.type,e)}}class Hm extends cd{static get pluginName(){return"CodeBlockEditing"}init(){const e=this.editor,t=e.model.schema,n=e.conversion,o=e.editing.view,i=o.document,r=Dd(e);t.register("codeblock",{isObject:!0,isBlock:!0,allowContentOf:"$block",allowWhere:["$root","$block"],allowIn:["$root"],allowAttributes:["opCodeblockLanguage","opCodeblockContent"]}),n.for("upcast").add(function(){return t=>{t.on("element:pre",e,{priority:"high"})};function e(e,t,n){if(!n.consumable.test(t.viewItem,{name:!0}))return;const o=Array.from(t.viewItem.getChildren()).find(e=>e.is("element","code"));if(!o||!n.consumable.consume(o,{name:!0}))return;const i=n.writer.createElement("codeblock");n.writer.setAttribute("opCodeblockLanguage",o.getAttribute("class"),i);const r=n.splitToAllowedParent(i,t.modelCursor);if(r){n.writer.insert(i,r.position);const e=o.getChild(0);n.consumable.consume(e,{name:!0});const s=e.data.replace(/\n$/,"");n.writer.setAttribute("opCodeblockContent",s,i),t.modelRange=new Rs(n.writer.createPositionBefore(i),n.writer.createPositionAfter(i)),t.modelCursor=t.modelRange.end}}}()),n.for("editingDowncast").elementToElement({model:"codeblock",view:(e,{writer:t})=>Bm(e,t,"Code block")}).add(function(){return t=>{t.on("attribute:opCodeblockContent",e),t.on("attribute:opCodeblockLanguage",e)};function e(e,t,n){const o=t.item;n.consumable.consume(t.item,e.name);const i=n.mapper.toViewElement(o);n.writer.remove(n.writer.createRangeOn(i.getChild(1))),n.writer.remove(n.writer.createRangeOn(i.getChild(0))),Lm(n.writer,o,i)}}()),n.for("dataDowncast").add(function(){return t=>{t.on("insert:codeblock",e,{priority:"high"})};function e(e,t,n){const o=t.item,i=o.getAttribute("opCodeblockLanguage")||"language-text",r=o.getAttribute("opCodeblockContent");n.consumable.consume(o,"insert");const s=n.writer,a=s.createContainerElement("pre"),l=s.createContainerElement("div",{class:"op-uc-code-block--language"}),c=s.createContainerElement("code",{class:i}),d=s.createText(i),u=s.createText(r);s.insert(s.createPositionAt(c,0),u),s.insert(s.createPositionAt(l,0),d),s.insert(s.createPositionAt(a,0),l),s.insert(s.createPositionAt(a,0),c),n.mapper.bindElements(o,c),n.mapper.bindElements(o,a);const h=n.mapper.toViewPosition(t.range.start);s.insert(h,a),e.stop()}}()),o.addObserver(jm),this.listenTo(i,"dblclick",(t,n)=>{let o=n.target,i=n.domEvent;if(i.shiftKey||i.altKey||i.metaKey)return;if(!zm(o)&&(o=o.findAncestor(zm),!o))return;n.preventDefault(),n.stopPropagation();const s=e.editing.mapper.toModelElement(o),a=r.services.macros,l=s.getAttribute("opCodeblockLanguage"),c=s.getAttribute("opCodeblockContent");a.editCodeBlock(c,l).then(t=>e.model.change(e=>{e.setAttribute("opCodeblockLanguage",t.languageClass,s),e.setAttribute("opCodeblockContent",t.content,s)}))}),e.ui.componentFactory.add("insertCodeBlock",t=>{const n=new Hc(t);return n.set({label:window.I18n.t("js.editor.macro.code_block.button"),icon:'<?xml version="1.0" encoding="UTF-8" standalone="no"?>\n<svg\n   xmlns:dc="http://purl.org/dc/elements/1.1/"\n   xmlns:cc="http://creativecommons.org/ns#"\n   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"\n   xmlns:svg="http://www.w3.org/2000/svg"\n   xmlns="http://www.w3.org/2000/svg"\n   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"\n   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"\n   class="ck ck-icon ck-button__icon"\n   viewBox="0 0 20 20"\n   version="1.1"\n   id="svg10"\n   sodipodi:docname="code-block.svg"\n   inkscape:version="0.92.3 (2405546, 2018-03-11)">\n  <defs\n     id="defs14" />\n  <sodipodi:namedview\n     pagecolor="#ffffff"\n     bordercolor="#666666"\n     borderopacity="1"\n     objecttolerance="10"\n     gridtolerance="10"\n     guidetolerance="10"\n     inkscape:pageopacity="0"\n     inkscape:pageshadow="2"\n     inkscape:window-width="640"\n     inkscape:window-height="480"\n     id="namedview12"\n     showgrid="false"\n     inkscape:zoom="33.37544"\n     inkscape:cx="10.656564"\n     inkscape:cy="13.670445"\n     inkscape:current-layer="svg10" />\n  <g\n     id="g8"\n     style="fill:none;fill-rule:evenodd"\n     transform="matrix(0.8751128,0,0,0.8751128,1.3360704,0.91121972)">\n    <g\n       id="g6"\n       style="fill:#353535">\n      <g\n         transform="translate(2,5.6)"\n         id="g4">\n        <path\n           d="M 10.5,0.1 15.7,4 v 1.3 l -5.6,4 C 10,9.5 9.8,9.5 9.6,9.5 9.3,9.4 9,8.8 9,8.5 L 9.3,8.1 14,4.6 9.5,1.4 9.3,1.2 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style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;text-orientation:mixed;dominant-baseline:auto;baseline-shift:baseline;text-anchor:start;white-space:normal;shape-padding:0;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;vector-effect:none;fill:#353535;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1.09228408;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"\n 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e=this.editor,t=this.editor.model,n=Dd(e);tu(e,"opEditCodeBlock",e=>{const o=n.services.macros,i=e.getAttribute("opCodeblockLanguage"),r=e.getAttribute("opCodeblockContent");o.editCodeBlock(r,i).then(n=>t.change(t=>{t.setAttribute("opCodeblockLanguage",n.languageClass,e),t.setAttribute("opCodeblockContent",n.content,e)}))})}afterInit(){nu(this,this.editor,"OPCodeBlock",Fm)}}function $m(e){return e.__currentlyDisabled=e.__currentlyDisabled||[],e.ui.view.toolbar?e.ui.view.toolbar.items._items:[]}function Um(e,t){jQuery.each($m(e),(function(n,o){let i=o;o instanceof mu?i=o.buttonView:o!==t&&o.hasOwnProperty("isEnabled")||(i=null),i&&(i.isEnabled?i.isEnabled=!1:e.__currentlyDisabled.push(i))}))}function Gm(e){jQuery.each($m(e),(function(t,n){let o=n;n instanceof mu&&(o=n.buttonView),e.__currentlyDisabled.indexOf(o)<0&&(o.isEnabled=!0)})),e.__currentlyDisabled=[]}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function Km(e,t,n,o,i=1){t>i?o.setAttribute(e,t,n):o.removeAttribute(e,n)}function Jm(e,t,n={}){const o=e.createElement("tableCell",n);return e.insertElement("paragraph",o),e.insert(o,t),o}function Zm(e,t){const n=t.parent.parent,o=parseInt(n.getAttribute("headingColumns")||0),{column:i}=e.getCellLocation(t);return!!o&&i<o}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Qm(){return e=>{e.on("element:table",(e,t,n)=>{const o=t.viewItem;if(!n.consumable.test(o,{name:!0}))return;const{rows:i,headingRows:r,headingColumns:s}=function(e){const t={headingRows:0,headingColumns:0},n=[],o=[];let i;for(const r of Array.from(e.getChildren()))if("tbody"===r.name||"thead"===r.name||"tfoot"===r.name){"thead"!==r.name||i||(i=r);const e=Array.from(r.getChildren()).filter(e=>e.is("element","tr"));for(const r of e)if("thead"===r.parent.name&&r.parent===i)t.headingRows++,n.push(r);else{o.push(r);const e=Ym(r);e>t.headingColumns&&(t.headingColumns=e)}}return t.rows=[...n,...o],t}(o),a={};s&&(a.headingColumns=s),r&&(a.headingRows=r);const l=n.writer.createElement("table",a);if(n.safeInsert(l,t.modelCursor)){if(n.consumable.consume(o,{name:!0}),i.forEach(e=>n.convertItem(e,n.writer.createPositionAt(l,"end"))),l.isEmpty){const e=n.writer.createElement("tableRow");n.writer.insert(e,n.writer.createPositionAt(l,"end")),Jm(n.writer,n.writer.createPositionAt(e,"end"))}n.updateConversionResult(l,t)}})}}function Ym(e){let t=0,n=0;const o=Array.from(e.getChildren()).filter(e=>"th"===e.name||"td"===e.name);for(;n<o.length&&"th"===o[n].name;){const e=o[n];t+=parseInt(e.getAttribute("colspan")||1),n++}return t}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Xm{constructor(e,t={}){this._table=e,this._startRow=void 0!==t.row?t.row:t.startRow||0,this._endRow=void 0!==t.row?t.row:t.endRow,this._startColumn=void 0!==t.column?t.column:t.startColumn||0,this._endColumn=void 0!==t.column?t.column:t.endColumn,this._includeAllSlots=!!t.includeAllSlots,this._skipRows=new Set,this._row=0,this._column=0,this._cellIndex=0,this._spannedCells=new Map,this._nextCellAtColumn=-1}[Symbol.iterator](){return this}next(){const e=this._table.getChild(this._row);if(!e||this._isOverEndRow())return{done:!0};if(this._isOverEndColumn())return this._advanceToNextRow();let t=null;const n=this._getSpanned();if(n)this._includeAllSlots&&!this._shouldSkipSlot()&&(t=this._formatOutValue(n.cell,n.row,n.column));else{const n=e.getChild(this._cellIndex);if(!n)return this._advanceToNextRow();const o=parseInt(n.getAttribute("colspan")||1),i=parseInt(n.getAttribute("rowspan")||1);(o>1||i>1)&&this._recordSpans(n,i,o),this._shouldSkipSlot()||(t=this._formatOutValue(n)),this._nextCellAtColumn=this._column+o}return this._column++,this._column==this._nextCellAtColumn&&this._cellIndex++,t||this.next()}skipRow(e){this._skipRows.add(e)}_advanceToNextRow(){return this._row++,this._column=0,this._cellIndex=0,this._nextCellAtColumn=-1,this.next()}_isOverEndRow(){return void 0!==this._endRow&&this._row>this._endRow}_isOverEndColumn(){return void 0!==this._endColumn&&this._column>this._endColumn}_formatOutValue(e,t=this._row,n=this._column){return{done:!1,value:new eg(this,e,t,n)}}_shouldSkipSlot(){const e=this._skipRows.has(this._row),t=this._row<this._startRow,n=this._column<this._startColumn,o=void 0!==this._endColumn&&this._column>this._endColumn;return e||t||n||o}_getSpanned(){const e=this._spannedCells.get(this._row);return e&&e.get(this._column)||null}_recordSpans(e,t,n){const o={cell:e,row:this._row,column:this._column};for(let e=this._row;e<this._row+t;e++)for(let t=this._column;t<this._column+n;t++)e==this._row&&t==this._column||this._markSpannedCell(e,t,o)}_markSpannedCell(e,t,n){this._spannedCells.has(e)||this._spannedCells.set(e,new Map);this._spannedCells.get(e).set(t,n)}}class eg{constructor(e,t,n,o){this.cell=t,this.row=e._row,this.column=e._column,this.cellAnchorRow=n,this.cellAnchorColumn=o,this._cellIndex=e._cellIndex,this._table=e._table}get isAnchor(){return this.row===this.cellAnchorRow&&this.column===this.cellAnchorColumn}get cellWidth(){return parseInt(this.cell.getAttribute("colspan")||1)}get cellHeight(){return parseInt(this.cell.getAttribute("rowspan")||1)}getPositionBefore(){return this._table.root.document.model.createPositionAt(this._table.getChild(this.row),this._cellIndex)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function tg(e={}){return t=>t.on("insert:table",(t,n,o)=>{const i=n.item;if(!o.consumable.consume(i,"insert"))return;o.consumable.consume(i,"attribute:headingRows:table"),o.consumable.consume(i,"attribute:headingColumns:table");const r=e&&e.asWidget,s=o.writer.createContainerElement("figure",{class:"table"}),a=o.writer.createContainerElement("table");let l;var c,d;o.writer.insert(o.writer.createPositionAt(s,0),a),r&&(c=s,(d=o.writer).setCustomProperty("table",!0,c),l=Ad(c,d,{hasSelectionHandle:!0}));const u=new Xm(i),h={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},f=new Map;for(const t of u){const{row:n,cell:r}=t,s=i.getChild(n),l=f.get(n)||sg(a,s,n,h,o);f.set(n,l),o.consumable.consume(r,"insert");rg(t,h,o.writer.createPositionAt(l,"end"),o,e)}for(const e of i.getChildren()){const t=e.index;f.has(t)||f.set(t,sg(a,e,t,h,o))}const p=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(i,r?l:s),o.writer.insert(p,r?l:s)})}function ng(e,t){const{writer:n}=t;if(e.parent.is("element","tableCell"))return og(e)?n.createContainerElement("span",{style:"display:inline-block"}):n.createContainerElement("p")}function og(e){return 1===e.parent.childCount&&!dg(e)}function ig(e,t,n){const{cell:o}=e,i=ag(e,t),r=n.mapper.toViewElement(o);r&&r.name!==i&&function(e,t,n){const o=n.writer,i=n.mapper.toViewElement(e),r=Pd(o.createEditableElement(t,i.getAttributes()),o);Td(r,o,(e,t,n)=>n.addClass(En(t.classes),e),(e,t,n)=>n.removeClass(En(t.classes),e)),o.insert(o.createPositionAfter(i),r),o.move(o.createRangeIn(i),o.createPositionAt(r,0)),o.remove(o.createRangeOn(i)),n.mapper.unbindViewElement(i),n.mapper.bindElements(e,r)}(o,i,n)}function rg(e,t,n,o,i){const r=i&&i.asWidget,s=ag(e,t),a=r?Pd(o.writer.createEditableElement(s),o.writer):o.writer.createContainerElement(s);r&&Td(a,o.writer,(e,t,n)=>n.addClass(En(t.classes),e),(e,t,n)=>n.removeClass(En(t.classes),e));const l=e.cell,c=l.getChild(0),d=1===l.childCount&&"paragraph"===c.name;if(o.writer.insert(n,a),o.mapper.bindElements(l,a),!r&&!dg(c)&&d){const e=l.getChild(0);o.consumable.consume(e,"insert"),o.mapper.bindElements(e,a)}}function sg(e,t,n,o,i){i.consumable.consume(t,"insert");const r=t.isEmpty?i.writer.createEmptyElement("tr"):i.writer.createContainerElement("tr");i.mapper.bindElements(t,r);const s=o.headingRows,a=function(e,t,n){const o=lg(e,t);return o||function(e,t,n){const o=n.writer.createContainerElement(e),i=n.writer.createPositionAt(t,"tbody"==e?"end":0);return n.writer.insert(i,o),o}(e,t,n)}(function(e,t){return e<t.headingRows?"thead":"tbody"}(n,o),e,i),l=s>0&&n>=s?n-s:n,c=i.writer.createPositionAt(a,l);return i.writer.insert(c,r),r}function ag(e,t){const{row:n,column:o}=e,{headingColumns:i,headingRows:r}=t;if(r&&r>n)return"th";return i&&i>o?"th":"td"}function lg(e,t){for(const n of t.getChildren())if(n.name==e)return n}function cg(e,t,n){const o=lg(e,t);o&&0===o.childCount&&n.writer.remove(n.writer.createRangeOn(o))}function dg(e){return!![...e.getAttributeKeys()].length}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ug extends Bu{refresh(){const e=this.editor.model,t=e.document.selection,n=e.schema,o=function(e){const t=e.parent;return t===t.root?t:t.parent}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(t.getFirstPosition());this.isEnabled=n.checkChild(o,"table")}execute(e={}){const t=this.editor.model,n=t.document.selection,o=this.editor.plugins.get("TableUtils"),i=Sd(n,t);t.change(n=>{const r=o.createTable(n,e);t.insertContent(r,i),n.setSelection(n.createPositionAt(r.getNodeByPath([0,0,0]),0))})}}function hg(e){const t=[];for(const n of wg(e.getRanges())){const e=n.getContainedElement();e&&e.is("element","tableCell")&&t.push(e)}return t}function fg(e){const t=[];for(const n of e.getRanges()){const e=n.start.findAncestor("tableCell");e&&t.push(e)}return t}function pg(e){const t=hg(e);return t.length?t:fg(e)}function mg(e){return kg(e.map(e=>e.parent.index))}function gg(e){const t=e[0].findAncestor("table");return kg([...new Xm(t)].filter(t=>e.includes(t.cell)).map(e=>e.column))}function bg(e,t){if(e.length<2||!function(e){const t=e[0].findAncestor("table"),n=mg(e),o=parseInt(t.getAttribute("headingRows")||0);if(!vg(n,o))return!1;const i=parseInt(t.getAttribute("headingColumns")||0);return vg(gg(e),i)}(e))return!1;const n=new Set,o=new Set;let i=0;for(const r of e){const{row:e,column:s}=t.getCellLocation(r),a=parseInt(r.getAttribute("rowspan")||1),l=parseInt(r.getAttribute("colspan")||1);n.add(e),o.add(s),a>1&&n.add(e+a-1),l>1&&o.add(s+l-1),i+=a*l}return function(e,t){const n=Array.from(e.values()),o=Array.from(t.values()),i=Math.max(...n),r=Math.min(...n),s=Math.max(...o),a=Math.min(...o);return(i-r+1)*(s-a+1)}(n,o)==i}function wg(e){return Array.from(e).sort(_g)}function kg(e){const t=e.sort((e,t)=>e-t);return{first:t[0],last:t[t.length-1]}}function _g(e,t){const n=e.start,o=t.start;return n.isBefore(o)?-1:1}function vg({first:e,last:t},n){return e<n===t<n}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class yg extends Bu{constructor(e,t={}){super(e),this.order=t.order||"below"}refresh(){const e=this.editor.model.document.selection.getFirstPosition().findAncestor("table");this.isEnabled=!!e}execute(){const e=this.editor,t=e.model.document.selection,n=e.plugins.get("TableUtils"),o="above"===this.order,i=pg(t),r=mg(i),s=o?r.first:r.last,a=i[0].findAncestor("table");n.insertRows(a,{at:o?s:s+1,copyStructureFromAbove:!o})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class xg extends Bu{constructor(e,t={}){super(e),this.order=t.order||"right"}refresh(){const e=this.editor.model.document.selection.getFirstPosition().findAncestor("table");this.isEnabled=!!e}execute(){const e=this.editor,t=e.model.document.selection,n=e.plugins.get("TableUtils"),o="left"===this.order,i=pg(t),r=gg(i),s=o?r.first:r.last,a=i[0].findAncestor("table");n.insertColumns(a,{columns:1,at:o?s:s+1})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Cg extends Bu{constructor(e,t={}){super(e),this.direction=t.direction||"horizontally"}refresh(){const e=pg(this.editor.model.document.selection);this.isEnabled=1===e.length}execute(){const e=pg(this.editor.model.document.selection)[0],t="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");t?n.splitCellHorizontally(e,2):n.splitCellVertically(e,2)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Ag(e,t,n){const{startRow:o,startColumn:i,endRow:r,endColumn:s}=t,a=n.createElement("table"),l=r-o+1;for(let e=0;e<l;e++)n.insertElement("tableRow",a,"end");const c=[...new Xm(e,{startRow:o,endRow:r,startColumn:i,endColumn:s,includeAllSlots:!0})];for(const{row:e,column:t,cell:l,isAnchor:d,cellAnchorRow:u,cellAnchorColumn:h}of c){const c=e-o,f=a.getChild(c);if(d){const o=n.cloneElement(l);n.append(o,f),Rg(o,e,t,r,s,n)}else(u<o||h<i)&&Jm(n,n.createPositionAt(f,"end"))}return function(e,t,n,o,i){const r=parseInt(t.getAttribute("headingRows")||0);if(r>0){Km("headingRows",r-n,e,i,0)}const s=parseInt(t.getAttribute("headingColumns")||0);if(s>0){Km("headingColumns",s-o,e,i,0)}}(a,e,o,i,n),a}function Tg(e,t,n=0){const o=[],i=new Xm(e,{startRow:n,endRow:t-1});for(const e of i){const{row:n,cellHeight:i}=e,r=n+i-1;n<t&&t<=r&&o.push(e)}return o}function Eg(e,t,n){const o=e.parent,i=o.parent,r=o.index,s=t-r,a={},l=parseInt(e.getAttribute("rowspan"))-s;l>1&&(a.rowspan=l);const c=parseInt(e.getAttribute("colspan")||1);c>1&&(a.colspan=c);const d=r+s,u=[...new Xm(i,{startRow:r,endRow:d,includeAllSlots:!0})];let h,f=null;for(const t of u){const{row:o,column:i,cell:r}=t;r===e&&void 0===h&&(h=i),void 0!==h&&h===i&&o===d&&(f=Jm(n,t.getPositionBefore(),a))}return Km("rowspan",s,e,n),f}function Pg(e,t){const n=[],o=new Xm(e);for(const e of o){const{column:o,cellWidth:i}=e,r=o+i-1;o<t&&t<=r&&n.push(e)}return n}function Sg(e,t,n,o){const i=n-t,r={},s=parseInt(e.getAttribute("colspan"))-i;s>1&&(r.colspan=s);const a=parseInt(e.getAttribute("rowspan")||1);a>1&&(r.rowspan=a);const l=Jm(o,o.createPositionAfter(e),r);return Km("colspan",i,e,o),l}function Rg(e,t,n,o,i,r){const s=parseInt(e.getAttribute("colspan")||1),a=parseInt(e.getAttribute("rowspan")||1);if(n+s-1>i){Km("colspan",i-n+1,e,r,1)}if(t+a-1>o){Km("rowspan",o-t+1,e,r,1)}}function Ig(e,t){const n=t.getColumns(e),o=new Array(n).fill(0);for(const{column:t}of new Xm(e))o[t]++;const i=o.reduce((e,t,n)=>t?e:[...e,n],[]);if(i.length>0){const n=i[i.length-1];return t.removeColumns(e,{at:n}),!0}return!1}function Og(e,t){const n=[];for(let t=0;t<e.childCount;t++){e.getChild(t).isEmpty&&n.push(t)}if(n.length>0){const o=n[n.length-1];return t.removeRows(e,{at:o}),!0}return!1}function Mg(e,t){Ig(e,t)||Og(e,t)}function Vg(e,t){const n=Array.from(new Xm(e,{startColumn:t.firstColumn,endColumn:t.lastColumn,row:t.lastRow}));if(n.every(({cellHeight:e})=>1===e))return t.lastRow;const o=n[0].cellHeight-1;return t.lastRow+o}function Ng(e,t){const n=Array.from(new Xm(e,{startRow:t.firstRow,endRow:t.lastRow,column:t.lastColumn}));if(n.every(({cellWidth:e})=>1===e))return t.lastColumn;const o=n[0].cellWidth-1;return t.lastColumn+o}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Dg extends Bu{constructor(e,t){super(e),this.direction=t.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const e=this._getMergeableCell();this.value=e,this.isEnabled=!!e}execute(){const e=this.editor.model,t=fg(e.document.selection)[0],n=this.value,o=this.direction;e.change(e=>{const i="right"==o||"down"==o,r=i?t:n,s=i?n:t,a=s.parent;!function(e,t,n){zg(e)||(zg(t)&&n.remove(n.createRangeIn(t)),n.move(n.createRangeIn(e),n.createPositionAt(t,"end")));n.remove(e)}(s,r,e);const l=this.isHorizontal?"colspan":"rowspan",c=parseInt(t.getAttribute(l)||1),d=parseInt(n.getAttribute(l)||1);e.setAttribute(l,c+d,r),e.setSelection(e.createRangeIn(r));const u=this.editor.plugins.get("TableUtils");Mg(a.findAncestor("table"),u)})}_getMergeableCell(){const e=fg(this.editor.model.document.selection)[0];if(!e)return;const t=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(e,t,n){const o=e.parent.parent,i="right"==t?e.nextSibling:e.previousSibling,r=(o.getAttribute("headingColumns")||0)>0;if(!i)return;const s="right"==t?e:i,a="right"==t?i:e,{column:l}=n.getCellLocation(s),{column:c}=n.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),u=Zm(n,s),h=Zm(n,a);if(r&&u!=h)return;return l+d===c?i:void 0}(e,this.direction,t):function(e,t){const n=e.parent,o=n.parent,i=o.getChildIndex(n);if("down"==t&&i===o.childCount-1||"up"==t&&0===i)return;const r=parseInt(e.getAttribute("rowspan")||1),s=o.getAttribute("headingRows")||0,a="down"==t&&i+r===s,l="up"==t&&i===s;if(s&&(a||l))return;const c=parseInt(e.getAttribute("rowspan")||1),d="down"==t?i+c:i,u=[...new Xm(o,{endRow:d})],h=u.find(t=>t.cell===e).column,f=u.find(({row:e,cellHeight:n,column:o})=>o===h&&("down"==t?e===d:d===e+n));return f&&f.cell}(e,this.direction);if(!n)return;const o=this.isHorizontal?"rowspan":"colspan",i=parseInt(e.getAttribute(o)||1);return parseInt(n.getAttribute(o)||1)===i?n:void 0}}function zg(e){return 1==e.childCount&&e.getChild(0).is("element","paragraph")&&e.getChild(0).isEmpty}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Fg extends Bu{refresh(){const e=pg(this.editor.model.document.selection),t=e[0];if(t){const n=t.findAncestor("table"),o=this.editor.plugins.get("TableUtils").getRows(n)-1,i=mg(e),r=0===i.first&&i.last===o;this.isEnabled=!r}else this.isEnabled=!1}execute(){const e=this.editor.model,t=pg(e.document.selection),n=mg(t),o=t[0],i=o.findAncestor("table"),r=this.editor.plugins.get("TableUtils").getCellLocation(o).column;e.change(e=>{const t=n.last-n.first+1;this.editor.plugins.get("TableUtils").removeRows(i,{at:n.first,rows:t});const o=function(e,t,n){const o=e.getChild(t)||e.getChild(e.childCount-1);let i=o.getChild(0),r=0;for(const e of o.getChildren()){if(r>n)return i;i=e,r+=parseInt(e.getAttribute("colspan")||1)}return i}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(i,n.first,r);e.setSelection(e.createPositionAt(o,0))})}}class Bg extends Bu{refresh(){const e=pg(this.editor.model.document.selection),t=e[0];if(t){const n=t.findAncestor("table"),o=this.editor.plugins.get("TableUtils").getColumns(n),{first:i,last:r}=gg(e);this.isEnabled=r-i<o-1}else this.isEnabled=!1}execute(){const[e,t]=function(e){const t=pg(e),n=t[0],o=t.pop(),i=[n,o];return n.isBefore(o)?i:i.reverse()}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(this.editor.model.document.selection),n=e.parent.parent,o=[...new Xm(n)],i={first:o.find(t=>t.cell===e).column,last:o.find(e=>e.cell===t).column},r=function(e,t,n,o){return parseInt(n.getAttribute("colspan")||1)>1?n:t.previousSibling||n.nextSibling?n.nextSibling||t.previousSibling:o.first?e.reverse().find(({column:e})=>e<o.first).cell:e.reverse().find(({column:e})=>e>o.last).cell}(o,e,t,i);this.editor.model.change(e=>{const t=i.last-i.first+1;this.editor.plugins.get("TableUtils").removeColumns(n,{at:i.first,columns:t}),e.setSelection(e.createPositionAt(r,0))})}}class Lg extends Bu{refresh(){const e=pg(this.editor.model.document.selection),t=e.length>0;this.isEnabled=t,this.value=t&&e.every(e=>this._isInHeading(e,e.parent.parent))}execute(e={}){if(e.forceValue===this.value)return;const t=this.editor.model,n=pg(t.document.selection),o=n[0].findAncestor("table"),{first:i,last:r}=mg(n),s=this.value?i:r+1,a=o.getAttribute("headingRows")||0;t.change(e=>{if(s){const t=Tg(o,s,s>a?a:0);for(const{cell:n}of t)Eg(n,s,e)}Km("headingRows",s,o,e,0)})}_isInHeading(e,t){const n=parseInt(t.getAttribute("headingRows")||0);return!!n&&e.parent.index<n}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class qg extends Bu{refresh(){const e=pg(this.editor.model.document.selection),t=this.editor.plugins.get("TableUtils"),n=e.length>0;this.isEnabled=n,this.value=n&&e.every(e=>Zm(t,e))}execute(e={}){if(e.forceValue===this.value)return;const t=this.editor.model,n=pg(t.document.selection),o=n[0].findAncestor("table"),{first:i,last:r}=gg(n),s=this.value?i:r+1;t.change(e=>{if(s){const t=Pg(o,s);for(const{cell:n,column:o}of t)Sg(n,o,s,e)}Km("headingColumns",s,o,e,0)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class jg extends cd{static get pluginName(){return"TableUtils"}init(){this.decorate("insertColumns"),this.decorate("insertRows")}getCellLocation(e){const t=e.parent,n=t.parent,o=n.getChildIndex(t),i=new Xm(n,{row:o});for(const{cell:t,row:n,column:o}of i)if(t===e)return{row:n,column:o}}createTable(e,t){const n=e.createElement("table");return Hg(e,n,0,parseInt(t.rows)||2,parseInt(t.columns)||2),t.headingRows&&Km("headingRows",t.headingRows,n,e,0),t.headingColumns&&Km("headingColumns",t.headingColumns,n,e,0),n}insertRows(e,t={}){const n=this.editor.model,o=t.at||0,i=t.rows||1,r=void 0!==t.copyStructureFromAbove,s=t.copyStructureFromAbove?o-1:o,a=this.getRows(e),l=this.getColumns(e);n.change(t=>{const n=e.getAttribute("headingRows")||0;if(n>o&&Km("headingRows",n+i,e,t,0),!r&&(0===o||o===a))return void Hg(t,e,o,i,l);const c=r?Math.max(o,s):o,d=new Xm(e,{endRow:c}),u=new Array(l).fill(1);for(const{row:e,column:n,cellHeight:a,cellWidth:l,cell:c}of d){const d=e+a-1,h=e<=s&&s<=d;e<o&&o<=d?(t.setAttribute("rowspan",a+i,c),u[n]=-l):r&&h&&(u[n]=l)}for(let n=0;n<i;n++){const n=t.createElement("tableRow");t.insert(n,e,o);for(let e=0;e<u.length;e++){const o=u[e],i=t.createPositionAt(n,"end");o>0&&Jm(t,i,o>1?{colspan:o}:null),e+=Math.abs(o)-1}}})}insertColumns(e,t={}){const n=this.editor.model,o=t.at||0,i=t.columns||1;n.change(t=>{const n=e.getAttribute("headingColumns");o<n&&t.setAttribute("headingColumns",n+i,e);const r=this.getColumns(e);if(0===o||r===o){for(const n of e.getChildren())Wg(i,t,t.createPositionAt(n,o?"end":0));return}const s=new Xm(e,{column:o,includeAllSlots:!0});for(const e of s){const{row:n,cell:r,cellAnchorColumn:a,cellAnchorRow:l,cellWidth:c,cellHeight:d}=e;if(a<o){t.setAttribute("colspan",c+i,r);const e=l+d-1;for(let t=n;t<=e;t++)s.skipRow(t)}else Wg(i,t,e.getPositionBefore())}})}removeRows(e,t){const n=this.editor.model,o=t.rows||1,i=t.at,r=i+o-1;n.change(t=>{const{cellsToMove:n,cellsToTrim:o}=function(e,t,n){const o=new Map,i=[];for(const{row:r,column:s,cellHeight:a,cell:l}of new Xm(e,{endRow:n})){const e=r+a-1;if(r>=t&&r<=n&&e>n){const e=a-(n-r+1);o.set(s,{cell:l,rowspan:e})}if(r<t&&e>=t){let o;o=e>=n?n-t+1:e-t+1,i.push({cell:l,rowspan:a-o})}}return{cellsToMove:o,cellsToTrim:i}}(e,i,r);if(n.size){!function(e,t,n,o){const i=[...new Xm(e,{includeAllSlots:!0,row:t})],r=e.getChild(t);let s;for(const{column:e,cell:t,isAnchor:a}of i)if(n.has(e)){const{cell:t,rowspan:i}=n.get(e),a=s?o.createPositionAfter(s):o.createPositionAt(r,0);o.move(o.createRangeOn(t),a),Km("rowspan",i,t,o),s=t}else a&&(s=t)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(e,r+1,n,t)}for(let n=r;n>=i;n--)t.remove(e.getChild(n));for(const{rowspan:e,cell:n}of o)Km("rowspan",e,n,t);!function(e,t,n,o){const i=e.getAttribute("headingRows")||0;if(t<i){Km("headingRows",n<i?i-(n-t+1):t,e,o,0)}}(e,i,r,t),Ig(e,this)||Og(e,this)})}removeColumns(e,t){const n=this.editor.model,o=t.at,i=t.columns||1,r=t.at+i-1;n.change(t=>{!function(e,t,n){const o=e.getAttribute("headingColumns")||0;if(o&&t.first<o){const i=Math.min(o-1,t.last)-t.first+1;n.setAttribute("headingColumns",o-i,e)}}(e,{first:o,last:r},t);for(let n=r;n>=o;n--)for(const{cell:o,column:i,cellWidth:r}of[...new Xm(e)])i<=n&&r>1&&i+r>n?Km("colspan",r-1,o,t):i===n&&t.remove(o);Og(e,this)||Ig(e,this)})}splitCellVertically(e,t=2){const n=this.editor.model,o=e.parent.parent,i=parseInt(e.getAttribute("rowspan")||1),r=parseInt(e.getAttribute("colspan")||1);n.change(n=>{if(r>1){const{newCellsSpan:o,updatedSpan:s}=$g(r,t);Km("colspan",s,e,n);const a={};o>1&&(a.colspan=o),i>1&&(a.rowspan=i);Wg(r>t?t-1:r-1,n,n.createPositionAfter(e),a)}if(r<t){const s=t-r,a=[...new Xm(o)],{column:l}=a.find(({cell:t})=>t===e),c=a.filter(({cell:t,cellWidth:n,column:o})=>t!==e&&o===l||o<l&&o+n>l);for(const{cell:e,cellWidth:t}of c)n.setAttribute("colspan",t+s,e);const d={};i>1&&(d.rowspan=i),Wg(s,n,n.createPositionAfter(e),d);const u=o.getAttribute("headingColumns")||0;u>l&&Km("headingColumns",u+s,o,n)}})}splitCellHorizontally(e,t=2){const n=this.editor.model,o=e.parent,i=o.parent,r=i.getChildIndex(o),s=parseInt(e.getAttribute("rowspan")||1),a=parseInt(e.getAttribute("colspan")||1);n.change(n=>{if(s>1){const o=[...new Xm(i,{startRow:r,endRow:r+s-1,includeAllSlots:!0})],{newCellsSpan:l,updatedSpan:c}=$g(s,t);Km("rowspan",c,e,n);const{column:d}=o.find(({cell:t})=>t===e),u={};l>1&&(u.rowspan=l),a>1&&(u.colspan=a);for(const e of o){const{column:t,row:o}=e,i=t===d,s=(o+r+c)%l==0;o>=r+c&&i&&s&&Wg(1,n,e.getPositionBefore(),u)}}if(s<t){const o=t-s,l=[...new Xm(i,{startRow:0,endRow:r})];for(const{cell:t,cellHeight:i,row:s}of l)if(t!==e&&s+i>r){const e=i+o;n.setAttribute("rowspan",e,t)}const c={};a>1&&(c.colspan=a),Hg(n,i,r+1,o,1,c);const d=i.getAttribute("headingRows")||0;d>r&&Km("headingRows",d+o,i,n)}})}getColumns(e){return[...e.getChild(0).getChildren()].reduce((e,t)=>e+parseInt(t.getAttribute("colspan")||1),0)}getRows(e){return e.childCount}}function Hg(e,t,n,o,i,r={}){for(let s=0;s<o;s++){const o=e.createElement("tableRow");e.insert(o,t,n),Wg(i,e,e.createPositionAt(o,"end"),r)}}function Wg(e,t,n,o={}){for(let i=0;i<e;i++)Jm(t,n,o)}function $g(e,t){if(e<t)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(e/t);return{newCellsSpan:n,updatedSpan:e-n*t+n}}class Ug extends Bu{refresh(){const e=hg(this.editor.model.document.selection);this.isEnabled=bg(e,this.editor.plugins.get(jg))}execute(){const e=this.editor.model,t=this.editor.plugins.get(jg);e.change(n=>{const o=hg(e.document.selection),i=o.shift(),{mergeWidth:r,mergeHeight:s}=function(e,t,n){let o=0,i=0;for(const e of t){const{row:t,column:r}=n.getCellLocation(e);o=Jg(e,r,o,"colspan"),i=Jg(e,t,i,"rowspan")}const{row:r,column:s}=n.getCellLocation(e);return{mergeWidth:o-s,mergeHeight:i-r}}(i,o,t);Km("colspan",r,i,n),Km("rowspan",s,i,n);for(const e of o)Gg(e,i,n);Mg(i.findAncestor("table"),t),n.setSelection(i,"in")})}}function Gg(e,t,n){Kg(e)||(Kg(t)&&n.remove(n.createRangeIn(t)),n.move(n.createRangeIn(e),n.createPositionAt(t,"end"))),n.remove(e)}function Kg(e){return 1==e.childCount&&e.getChild(0).is("element","paragraph")&&e.getChild(0).isEmpty}function Jg(e,t,n,o){const i=parseInt(e.getAttribute(o)||1);return Math.max(n,t+i)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Zg extends Bu{refresh(){const e=pg(this.editor.model.document.selection);this.isEnabled=e.length>0}execute(){const e=this.editor.model,t=pg(e.document.selection),n=mg(t),o=t[0].findAncestor("table"),i=[];for(let t=n.first;t<=n.last;t++)for(const n of o.getChild(t).getChildren())i.push(e.createRangeOn(n));e.change(e=>{e.setSelection(i)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Qg extends Bu{refresh(){const e=pg(this.editor.model.document.selection);this.isEnabled=e.length>0}execute(){const e=this.editor.model,t=pg(e.document.selection),n=t[0],o=t.pop(),i=n.findAncestor("table"),r=this.editor.plugins.get("TableUtils"),s=r.getCellLocation(n),a=r.getCellLocation(o),l=Math.min(s.column,a.column),c=Math.max(s.column,a.column),d=[];for(const t of new Xm(i,{startColumn:l,endColumn:c}))d.push(e.createRangeOn(t.cell));e.change(e=>{e.setSelection(d)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Yg(e){e.document.registerPostFixer(t=>function(e,t){const n=t.document.differ.getChanges();let o=!1;const i=new Set;for(const t of n){let n;"table"==t.name&&"insert"==t.type&&(n=t.position.nodeAfter),"tableRow"!=t.name&&"tableCell"!=t.name||(n=t.position.findAncestor("table")),tb(t)&&(n=t.range.start.findAncestor("table")),n&&!i.has(n)&&(o=Xg(n,e)||o,o=eb(n,e)||o,i.add(n))}return o}(t,e))}function Xg(e,t){let n=!1;const o=function(e){const t=parseInt(e.getAttribute("headingRows")||0),n=e.childCount,o=[];for(const{row:i,cell:r,cellHeight:s}of new Xm(e)){if(s<2)continue;const e=i<t?t:n;if(i+s>e){const t=e-i;o.push({cell:r,rowspan:t})}}return o}(e);if(o.length){n=!0;for(const e of o)Km("rowspan",e.rowspan,e.cell,t,1)}return n}function eb(e,t){let n=!1;const o=function(e){const t=new Array(e.childCount).fill(0);for(const{row:n}of new Xm(e,{includeAllSlots:!0}))t[n]++;return t}(e),i=[];for(const[e,t]of o.entries())t||i.push(e);if(i.length){n=!0;for(const n of i.reverse())t.remove(e.getChild(n)),o.splice(n,1)}const r=o[0];if(!o.every(e=>e===r)){const i=o.reduce((e,t)=>t>e?t:e,0);for(const[r,s]of o.entries()){const o=i-s;if(o){for(let n=0;n<o;n++)Jm(t,t.createPositionAt(e.getChild(r),"end"));n=!0}}}return n}function tb(e){const t="attribute"===e.type,n=e.attributeKey;return t&&("headingRows"===n||"colspan"===n||"rowspan"===n)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function nb(e){e.document.registerPostFixer(t=>function(e,t){const n=t.document.differ.getChanges();let o=!1;for(const t of n)"insert"==t.type&&"table"==t.name&&(o=ob(t.position.nodeAfter,e)||o),"insert"==t.type&&"tableRow"==t.name&&(o=ib(t.position.nodeAfter,e)||o),"insert"==t.type&&"tableCell"==t.name&&(o=rb(t.position.nodeAfter,e)||o),sb(t)&&(o=rb(t.position.parent,e)||o);return o}(t,e))}function ob(e,t){let n=!1;for(const o of e.getChildren())n=ib(o,t)||n;return n}function ib(e,t){let n=!1;for(const o of e.getChildren())n=rb(o,t)||n;return n}function rb(e,t){if(0==e.childCount)return t.insertElement("paragraph",e),!0;const n=Array.from(e.getChildren()).filter(e=>e.is("$text"));for(const e of n)t.wrap(t.createRangeOn(e),"paragraph");return!!n.length}function sb(e){return!(!e.position||!e.position.parent.is("element","tableCell"))&&("insert"==e.type&&"$text"==e.name||"remove"==e.type)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function ab(e,t){e.document.registerPostFixer(()=>function(e,t){const n=new Set;for(const t of e.getChanges()){const e="attribute"==t.type?t.range.start.parent:t.position.parent;e.is("element","tableCell")&&n.add(e)}for(const o of n.values())for(const n of[...o.getChildren()].filter(e=>lb(e,t)))e.refreshItem(n);return!1}(e.document.differ,t))}function lb(e,t){if(!e.is("element","paragraph"))return!1;const n=t.toViewElement(e);return!!n&&og(e)!==n.is("element","span")}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function cb(e){e.document.registerPostFixer(()=>function(e){const t=e.document.differ,n=new Set;for(const e of t.getChanges()){if("attribute"!=e.type)continue;const t=e.range.start.nodeAfter;t&&t.is("element","table")&&"headingRows"==e.attributeKey&&n.add(t)}if(n.size){for(const e of n.values())t.refreshItem(e);return!0}return!1}(e))}n(94);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class db extends cd{static get pluginName(){return"TableEditing"}init(){const e=this.editor,t=e.model,n=t.schema,o=e.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0,isSelectable:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((e,t)=>{if("table"==t.name&&Array.from(e.getNames()).includes("table"))return!1}),o.for("upcast").add(Qm()),o.for("editingDowncast").add(tg({asWidget:!0})),o.for("dataDowncast").add(tg()),o.for("upcast").elementToElement({model:"tableRow",view:"tr"}),o.for("upcast").add(e=>{e.on("element:tr",(e,t)=>{t.viewItem.isEmpty&&0==t.modelCursor.index&&e.stop()},{priority:"high"})}),o.for("editingDowncast").add(e=>e.on("insert:tableRow",(e,t,n)=>{const o=t.item;if(!n.consumable.consume(o,"insert"))return;const i=o.parent,r=function(e){for(const t of e.getChildren())if("table"===t.name)return t}(n.mapper.toViewElement(i)),s=i.getChildIndex(o),a=new Xm(i,{row:s}),l={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},c=new Map;for(const e of a){const t=c.get(s)||sg(r,o,s,l,n);c.set(s,t),n.consumable.consume(e.cell,"insert"),rg(e,l,n.writer.createPositionAt(t,"end"),n,{asWidget:!0})}})),o.for("editingDowncast").add(e=>e.on("remove:tableRow",(e,t,n)=>{e.stop();const o=n.writer,i=n.mapper,r=i.toViewPosition(t.position).getLastMatchingPosition(e=>!e.item.is("element","tr")).nodeAfter,s=r.parent.parent,a=o.createRangeOn(r),l=o.remove(a);for(const e of o.createRangeIn(l).getItems())i.unbindViewElement(e);cg("thead",s,n),cg("tbody",s,n)},{priority:"higher"})),o.for("upcast").elementToElement({model:"tableCell",view:"td"}),o.for("upcast").elementToElement({model:"tableCell",view:"th"}),o.for("editingDowncast").add(e=>e.on("insert:tableCell",(e,t,n)=>{const o=t.item;if(!n.consumable.consume(o,"insert"))return;const i=o.parent,r=i.parent,s=r.getChildIndex(i),a=new Xm(r,{row:s}),l={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0};for(const e of a)if(e.cell===o){const t=n.mapper.toViewElement(i);return void rg(e,l,n.writer.createPositionAt(t,i.getChildIndex(o)),n,{asWidget:!0})}})),e.conversion.for("editingDowncast").elementToElement({model:"paragraph",view:ng,converterPriority:"high"}),o.attributeToAttribute({model:"colspan",view:"colspan"}),o.attributeToAttribute({model:"rowspan",view:"rowspan"}),o.for("editingDowncast").add(e=>e.on("attribute:headingColumns:table",(e,t,n)=>{const o=t.item;if(!n.consumable.consume(t.item,e.name))return;const i={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},r=t.attributeOldValue,s=t.attributeNewValue,a=(r>s?r:s)-1;for(const e of new Xm(o,{endColumn:a}))ig(e,i,n)})),e.commands.add("insertTable",new ug(e)),e.commands.add("insertTableRowAbove",new yg(e,{order:"above"})),e.commands.add("insertTableRowBelow",new yg(e,{order:"below"})),e.commands.add("insertTableColumnLeft",new xg(e,{order:"left"})),e.commands.add("insertTableColumnRight",new xg(e,{order:"right"})),e.commands.add("removeTableRow",new Fg(e)),e.commands.add("removeTableColumn",new Bg(e)),e.commands.add("splitTableCellVertically",new Cg(e,{direction:"vertically"})),e.commands.add("splitTableCellHorizontally",new Cg(e,{direction:"horizontally"})),e.commands.add("mergeTableCells",new Ug(e)),e.commands.add("mergeTableCellRight",new Dg(e,{direction:"right"})),e.commands.add("mergeTableCellLeft",new Dg(e,{direction:"left"})),e.commands.add("mergeTableCellDown",new Dg(e,{direction:"down"})),e.commands.add("mergeTableCellUp",new Dg(e,{direction:"up"})),e.commands.add("setTableColumnHeader",new qg(e)),e.commands.add("setTableRowHeader",new Lg(e)),e.commands.add("selectTableRow",new Zg(e)),e.commands.add("selectTableColumn",new Qg(e)),cb(t),Yg(t),ab(t,e.editing.mapper),nb(t)}static get requires(){return[jg]}}n(96);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class ub extends yc{constructor(e){super(e);const t=this.bindTemplate;this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isToggleable",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.actionView=this._createActionView(),this.arrowView=this._createArrowView(),this.keystrokes=new jl,this.focusTracker=new Kl,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",t.if("isVisible","ck-hidden",e=>!e),this.arrowView.bindTemplate.if("isOn","ck-splitbutton_open")]},children:this.children})}render(){super.render(),this.children.add(this.actionView),this.children.add(this.arrowView),this.focusTracker.add(this.actionView.element),this.focusTracker.add(this.arrowView.element),this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",(e,t)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),t())}),this.keystrokes.set("arrowleft",(e,t)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),t())})}focus(){this.actionView.focus()}_createActionView(){const e=new Hc;return e.bind("icon","isEnabled","isOn","isToggleable","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),e.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),e.delegate("execute").to(this),e}_createArrowView(){const e=new Hc,t=e.bindTemplate;return e.icon=Wc,e.extendTemplate({attributes:{class:"ck-splitbutton__arrow","aria-haspopup":!0,"aria-expanded":t.to("isOn",e=>String(e))}}),e.bind("isEnabled").to(this),e.delegate("execute").to(this,"open"),e}}n(98);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class hb extends yc{constructor(e){super(e);const t=this.bindTemplate;this.items=this._createGridCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(e,t)=>`${t} × ${e}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},on:{"mouseover@.ck-insert-table-dropdown-grid-box":t.to("boxover")},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:t.to("label")}]}],on:{mousedown:t.to(e=>{e.preventDefault()}),click:t.to(()=>{this.fire("execute")})}}),this.on("boxover",(e,t)=>{const{row:n,column:o}=t.target.dataset;this.set({rows:parseInt(n),columns:parseInt(o)})}),this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const e=this.rows,t=this.columns;this.items.map((n,o)=>{const i=Math.floor(o/10)<e&&o%10<t;n.set("isOn",i)})}_createGridCollection(){const e=[];for(let t=0;t<100;t++){const n=Math.floor(t/10),o=t%10;e.push(new fb(this.locale,n+1,o+1))}return this.createCollection(e)}}class fb extends yc{constructor(e,t,n){super(e);const o=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",o.if("isOn","ck-on")],"data-row":t,"data-column":n}})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class pb extends cd{init(){const e=this.editor,t=this.editor.t,n="ltr"===e.locale.contentLanguageDirection;e.ui.componentFactory.add("insertTable",n=>{const o=e.commands.get("insertTable"),i=Qc(n);let r;return i.bind("isEnabled").to(o),i.buttonView.set({icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z"/></svg>',label:t("Insert table"),tooltip:!0}),i.on("change:isOpen",()=>{r||(r=new hb(n),i.panelView.children.add(r),r.delegate("execute").to(i),i.buttonView.on("open",()=>{r.rows=0,r.columns=0}),i.on("execute",()=>{e.execute("insertTable",{rows:r.rows,columns:r.columns}),e.editing.view.focus()}))}),i}),e.ui.componentFactory.add("tableColumn",e=>{const o=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:t("Header column"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:t("Insert column left")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:t("Insert column right")}},{type:"button",model:{commandName:"removeTableColumn",label:t("Delete column")}},{type:"button",model:{commandName:"selectTableColumn",label:t("Select column")}}];return this._prepareDropdown(t("Column"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>',o,e)}),e.ui.componentFactory.add("tableRow",e=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:t("Header row"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowAbove",label:t("Insert row above")}},{type:"button",model:{commandName:"insertTableRowBelow",label:t("Insert row below")}},{type:"button",model:{commandName:"removeTableRow",label:t("Delete row")}},{type:"button",model:{commandName:"selectTableRow",label:t("Select row")}}];return this._prepareDropdown(t("Row"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',n,e)}),e.ui.componentFactory.add("mergeTableCells",e=>{const o=[{type:"button",model:{commandName:"mergeTableCellUp",label:t("Merge cell up")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:t("Merge cell right")}},{type:"button",model:{commandName:"mergeTableCellDown",label:t("Merge cell down")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:t("Merge cell left")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:t("Split cell vertically")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:t("Split cell horizontally")}}];return this._prepareMergeSplitButtonDropdown(t("Merge cells"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>',o,e)})}_prepareDropdown(e,t,n,o){const i=this.editor,r=Qc(o),s=this._fillDropdownWithListOptions(r,n);return r.buttonView.set({label:e,icon:t,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...e)=>e.some(e=>e)),this.listenTo(r,"execute",e=>{i.execute(e.source.commandName),i.editing.view.focus()}),r}_prepareMergeSplitButtonDropdown(e,t,n,o){const i=this.editor,r=Qc(o,ub);return this._fillDropdownWithListOptions(r,n),r.buttonView.set({label:e,icon:t,tooltip:!0,isEnabled:!0}),this.listenTo(r.buttonView,"execute",()=>{i.execute("mergeTableCells"),i.editing.view.focus()}),this.listenTo(r,"execute",e=>{i.execute(e.source.commandName),i.editing.view.focus()}),r}_fillDropdownWithListOptions(e,t){const n=this.editor,o=[],i=new An;for(const e of t)mb(e,n,o,i);return Xc(e,i,n.ui.componentFactory),o}}function mb(e,t,n,o){const i=e.model=new Sf(e.model),{commandName:r,bindIsOn:s}=e.model;if("button"===e.type||"switchbutton"===e.type){const e=t.commands.get(r);n.push(e),i.set({commandName:r}),i.bind("isEnabled").to(e),s&&i.bind("isOn").to(e,"value")}i.set({withText:!0}),o.add(e)}n(100);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class gb extends cd{static get pluginName(){return"TableSelection"}static get requires(){return[jg]}init(){const e=this.editor.model;this.listenTo(e,"deleteContent",(e,t)=>this._handleDeleteContent(e,t),{priority:"high"}),this._defineSelectionConverter(),this._enablePluginDisabling()}getSelectedTableCells(){const e=hg(this.editor.model.document.selection);return 0==e.length?null:e}getSelectionAsFragment(){const e=this.getSelectedTableCells();return e?this.editor.model.change(t=>{const n=t.createDocumentFragment(),o=this.editor.plugins.get("TableUtils"),{first:i,last:r}=gg(e),{first:s,last:a}=mg(e),l=e[0].findAncestor("table");let c=a,d=r;if(bg(e,o)){const e={firstColumn:i,lastColumn:r,firstRow:s,lastRow:a};c=Vg(l,e),d=Ng(l,e)}const u=Ag(l,{startRow:s,startColumn:i,endRow:c,endColumn:d},t);return t.insert(u,n,0),n}):null}setCellSelection(e,t){const n=this._getCellsToSelect(e,t);this.editor.model.change(e=>{e.setSelection(n.cells.map(t=>e.createRangeOn(t)),{backward:n.backward})})}getFocusCell(){const e=[...this.editor.model.document.selection.getRanges()].pop().getContainedElement();return e&&e.is("element","tableCell")?e:null}getAnchorCell(){const e=Uh(this.editor.model.document.selection.getRanges()).getContainedElement();return e&&e.is("element","tableCell")?e:null}_defineSelectionConverter(){const e=this.editor,t=new Set;e.conversion.for("editingDowncast").add(e=>e.on("selection",(e,n,o)=>{const i=o.writer;!function(e){for(const n of t)e.removeClass("ck-editor__editable_selected",n);t.clear()}(i);const r=this.getSelectedTableCells();if(!r)return;for(const e of r){const n=o.mapper.toViewElement(e);i.addClass("ck-editor__editable_selected",n),t.add(n)}const s=o.mapper.toViewElement(r[r.length-1]);i.setSelection(s,0)},{priority:"lowest"}))}_enablePluginDisabling(){const e=this.editor;this.on("change:isEnabled",()=>{if(!this.isEnabled){const t=this.getSelectedTableCells();if(!t)return;e.model.change(n=>{const o=n.createPositionAt(t[0],0),i=e.model.schema.getNearestSelectionRange(o);n.setSelection(i)})}})}_handleDeleteContent(e,t){const[n,o]=t,i=this.editor.model,r=!o||"backward"==o.direction,s=hg(n);s.length&&(e.stop(),i.change(e=>{const t=s[r?s.length-1:0];i.change(e=>{for(const t of s)i.deleteContent(e.createSelection(t,"in"))});const o=i.schema.getNearestSelectionRange(e.createPositionAt(t,0));n.is("documentSelection")?e.setSelection(o):n.setTo(o)}))}_getCellsToSelect(e,t){const n=this.editor.plugins.get("TableUtils"),o=n.getCellLocation(e),i=n.getCellLocation(t),r=Math.min(o.row,i.row),s=Math.max(o.row,i.row),a=Math.min(o.column,i.column),l=Math.max(o.column,i.column),c=new Array(s-r+1).fill(null).map(()=>[]),d={startRow:r,endRow:s,startColumn:a,endColumn:l};for(const{row:t,cell:n}of new Xm(e.findAncestor("table"),d))c[t-r].push(n);const u=i.row<o.row,h=i.column<o.column;return u&&c.reverse(),h&&c.forEach(e=>e.reverse()),{cells:c.flat(),backward:u||h}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class bb extends cd{static get pluginName(){return"TableClipboard"}static get requires(){return[gb,jg]}init(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"copy",(e,t)=>this._onCopyCut(e,t)),this.listenTo(t,"cut",(e,t)=>this._onCopyCut(e,t)),this.listenTo(e.model,"insertContent",(e,t)=>this._onInsertContent(e,...t),{priority:"high"}),this.decorate("_replaceTableSlotCell")}_onCopyCut(e,t){const n=this.editor.plugins.get(gb);if(!n.getSelectedTableCells())return;if("cut"==e.name&&this.editor.isReadOnly)return;t.preventDefault(),e.stop();const o=this.editor.data,i=this.editor.editing.view.document,r=o.toView(n.getSelectionAsFragment());i.fire("clipboardOutput",{dataTransfer:t.dataTransfer,content:r,method:e.name})}_onInsertContent(e,t,n){if(n&&!n.is("documentSelection"))return;const o=this.editor.model,i=this.editor.plugins.get(jg);let r=function(e,t){if(!e.is("documentFragment")&&!e.is("element"))return null;if(e.is("element","table"))return e;if(1==e.childCount&&e.getChild(0).is("element","table"))return e.getChild(0);const n=t.createRangeIn(e);for(const e of n.getItems())if(e.is("element","table")){const o=t.createRange(n.start,t.createPositionBefore(e));if(t.hasContent(o,{ignoreWhitespaces:!0}))return null;const i=t.createRange(t.createPositionAfter(e),n.end);return t.hasContent(i,{ignoreWhitespaces:!0})?null:e}return null}(t,o);if(!r)return;const s=pg(o.document.selection);s.length?(e.stop(),o.change(e=>{const t={width:i.getColumns(r),height:i.getRows(r)},n=function(e,t,n,o){const i=e[0].findAncestor("table"),r=gg(e),s=mg(e),a={firstColumn:r.first,lastColumn:r.last,firstRow:s.first,lastRow:s.last},l=1===e.length;l&&(a.lastRow+=t.height-1,a.lastColumn+=t.width-1,function(e,t,n,o){const i=o.getColumns(e),r=o.getRows(e);n>i&&o.insertColumns(e,{at:i,columns:n-i});t>r&&o.insertRows(e,{at:r,rows:t-r})}(i,a.lastRow+1,a.lastColumn+1,o));l||!bg(e,o)?function(e,t,n){const{firstRow:o,lastRow:i,firstColumn:r,lastColumn:s}=t,a={first:o,last:i},l={first:r,last:s};kb(e,r,a,n),kb(e,s+1,a,n),wb(e,o,l,n),wb(e,i+1,l,n,o)}(i,a,n):(a.lastRow=Vg(i,a),a.lastColumn=Ng(i,a));return a}(s,t,e,i),o=n.lastRow-n.firstRow+1,a=n.lastColumn-n.firstColumn+1,l={startRow:0,startColumn:0,endRow:Math.min(o,t.height)-1,endColumn:Math.min(a,t.width)-1};r=Ag(r,l,e);const c=s[0].findAncestor("table"),d=this._replaceSelectedCellsWithPasted(r,t,c,n,e);if(this.editor.plugins.get("TableSelection").isEnabled){const t=wg(d.map(t=>e.createRangeOn(t)));e.setSelection(t)}else e.setSelection(d[0],0)})):Mg(r,i)}_replaceSelectedCellsWithPasted(e,t,n,o,i){const{width:r,height:s}=t,a=function(e,t,n){const o=new Array(n).fill(null).map(()=>new Array(t).fill(null));for(const{column:t,row:n,cell:i}of new Xm(e))o[n][t]=i;return o}(e,r,s),l=[...new Xm(n,{startRow:o.firstRow,endRow:o.lastRow,startColumn:o.firstColumn,endColumn:o.lastColumn,includeAllSlots:!0})],c=[];let d;for(const e of l){const{row:t,column:n}=e;n===o.firstColumn&&(d=e.getPositionBefore());const l=t-o.firstRow,u=n-o.firstColumn,h=a[l%s][u%r],f=h?i.cloneElement(h):null,p=this._replaceTableSlotCell(e,f,d,i);p&&(Rg(p,t,n,o.lastRow,o.lastColumn,i),c.push(p),d=i.createPositionAfter(p))}const u=parseInt(n.getAttribute("headingRows")||0),h=parseInt(n.getAttribute("headingColumns")||0),f=o.firstRow<u&&u<=o.lastRow,p=o.firstColumn<h&&h<=o.lastColumn;if(f){const e=wb(n,u,{first:o.firstColumn,last:o.lastColumn},i,o.firstRow);c.push(...e)}if(p){const e=kb(n,h,{first:o.firstRow,last:o.lastRow},i);c.push(...e)}return c}_replaceTableSlotCell(e,t,n,o){const{cell:i,isAnchor:r}=e;return r&&o.remove(i),t?(o.insert(t,n),t):null}}function wb(e,t,n,o,i=0){if(t<1)return;return Tg(e,t,i).filter(({column:e,cellWidth:t})=>_b(e,t,n)).map(({cell:e})=>Eg(e,t,o))}function kb(e,t,n,o){if(t<1)return;return Pg(e,t).filter(({row:e,cellHeight:t})=>_b(e,t,n)).map(({cell:e,column:n})=>Sg(e,n,t,o))}function _b(e,t,n){const o=e+t-1,{first:i,last:r}=n;return e>=i&&e<=r||e<i&&o>=i}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class vb extends cd{static get pluginName(){return"TableKeyboard"}static get requires(){return[gb]}init(){const e=this.editor.editing.view.document;this.editor.keystrokes.set("Tab",(...e)=>this._handleTabOnSelectedTable(...e),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"}),this.listenTo(e,"keydown",(...e)=>this._onKeydown(...e),{priority:hn.get("high")-10})}_handleTabOnSelectedTable(e,t){const n=this.editor,o=n.model.document.selection.getSelectedElement();o&&o.is("element","table")&&(t(),n.model.change(e=>{e.setSelection(e.createRangeIn(o.getChild(0).getChild(0)))}))}_getTabHandler(e){const t=this.editor;return(n,o)=>{let i=fg(t.model.document.selection)[0];if(i||(i=this.editor.plugins.get("TableSelection").getFocusCell()),!i)return;o();const r=i.parent,s=r.parent,a=s.getChildIndex(r),l=r.getChildIndex(i),c=0===l;if(!e&&c&&0===a)return void t.model.change(e=>{e.setSelection(e.createRangeOn(s))});const d=l===r.childCount-1,u=a===s.childCount-1;if(e&&u&&d&&(t.execute("insertTableRowBelow"),a===s.childCount-1))return void t.model.change(e=>{e.setSelection(e.createRangeOn(s))});let h;if(e&&d){const e=s.getChild(a+1);h=e.getChild(0)}else if(!e&&c){const e=s.getChild(a-1);h=e.getChild(e.childCount-1)}else h=r.getChild(l+(e?1:-1));t.model.change(e=>{e.setSelection(e.createRangeIn(h))})}}_onKeydown(e,t){const n=this.editor,o=t.keyCode;if(!vi(o))return;const i=yi(o,n.locale.contentLanguageDirection);this._handleArrowKeys(i,t.shiftKey)&&(t.preventDefault(),t.stopPropagation(),e.stop())}_handleArrowKeys(e,t){const n=this.editor.model.document.selection,o=["right","down"].includes(e),i=hg(n);if(i.length){let n;return n=t?this.editor.plugins.get("TableSelection").getFocusCell():o?i[i.length-1]:i[0],this._navigateFromCellInDirection(n,e,t),!0}const r=n.focus.findAncestor("tableCell");return!!r&&(!(t&&!n.isCollapsed&&n.isBackward==o)&&(!!this._isSelectionAtCellEdge(n,r,o)&&(this._navigateFromCellInDirection(r,e,t),!0)))}_isSelectionAtCellEdge(e,t,n){const o=this.editor.model,i=this.editor.model.schema,r=n?e.getLastPosition():e.getFirstPosition();if(!i.getLimitElement(r).is("element","tableCell")){return o.createPositionAt(t,n?"end":0).isTouching(r)}const s=o.createSelection(r);return o.modifySelection(s,{direction:n?"forward":"backward"}),r.isEqual(s.focus)}_navigateFromCellInDirection(e,t,n=!1){const o=this.editor.model,i=e.findAncestor("table"),r=[...new Xm(i,{includeAllSlots:!0})],{row:s,column:a}=r[r.length-1],l=r.find(({cell:t})=>t==e);let{row:c,column:d}=l;switch(t){case"left":d--;break;case"up":c--;break;case"right":d+=l.cellWidth;break;case"down":c+=l.cellHeight}if(c<0||c>s||d<0&&c<=0||d>a&&c>=s)return void o.change(e=>{e.setSelection(e.createRangeOn(i))});d<0?(d=n?0:a,c--):d>a&&(d=n?a:0,c++);const u=r.find(e=>e.row==c&&e.column==d).cell,h=["right","down"].includes(t),f=this.editor.plugins.get("TableSelection");if(n&&f.isEnabled){const t=f.getAnchorCell()||e;f.setCellSelection(t,u)}else{const e=o.createPositionAt(u,h?0:"end");o.change(t=>{t.setSelection(e)})}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class yb extends Br{constructor(e){super(e),this.domEventType=["mousemove","mouseup","mouseleave"]}onDomEvent(e){this.fire(e.type,e)}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class xb extends cd{static get pluginName(){return"TableMouse"}static get requires(){return[gb]}init(){this.editor.editing.view.addObserver(yb),this._enableShiftClickSelection(),this._enableMouseDragSelection()}_enableShiftClickSelection(){const e=this.editor;let t=!1;const n=e.plugins.get(gb);this.listenTo(e.editing.view.document,"mousedown",(o,i)=>{if(!this.isEnabled||!n.isEnabled)return;if(!i.domEvent.shiftKey)return;const r=n.getAnchorCell()||fg(e.model.document.selection)[0];if(!r)return;const s=this._getModelTableCellFromDomEvent(i);s&&Cb(r,s)&&(t=!0,n.setCellSelection(r,s),i.preventDefault())}),this.listenTo(e.editing.view.document,"mouseup",()=>{t=!1}),this.listenTo(e.editing.view.document,"selectionChange",e=>{t&&e.stop()},{priority:"highest"})}_enableMouseDragSelection(){const e=this.editor;let t,n,o=!1,i=!1;const r=e.plugins.get(gb);this.listenTo(e.editing.view.document,"mousedown",(e,n)=>{this.isEnabled&&r.isEnabled&&(n.domEvent.shiftKey||n.domEvent.ctrlKey||n.domEvent.altKey||(t=this._getModelTableCellFromDomEvent(n)))}),this.listenTo(e.editing.view.document,"mousemove",(e,s)=>{if(!s.domEvent.buttons)return;if(!t)return;const a=this._getModelTableCellFromDomEvent(s);a&&Cb(t,a)&&(n=a,o||n==t||(o=!0)),o&&(i=!0,r.setCellSelection(t,n),s.preventDefault())}),this.listenTo(e.editing.view.document,"mouseup",()=>{o=!1,i=!1,t=null,n=null}),this.listenTo(e.editing.view.document,"selectionChange",e=>{i&&e.stop()},{priority:"highest"})}_getModelTableCellFromDomEvent(e){const t=e.target,n=this.editor.editing.view.createPositionAt(t,0);return this.editor.editing.mapper.toModelPosition(n).parent.findAncestor("tableCell",{includeSelf:!0})}}function Cb(e,t){return e.parent.parent==t.parent.parent}n(102);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function Ab(e){const t=e.getSelectedElement();return t&&Eb(t)?t:null}function Tb(e){const t=function(e,t){let n=t.parent;for(;n;){if(n.name===e)return n;n=n.parent}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */("table",e.getFirstPosition());return t&&Eb(t.parent)?t.parent:null}function Eb(e){return!!e.getCustomProperty("table")&&Cd(e)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const Pb=/^#([0-9a-f]{3,4}|[0-9a-f]{6}|[0-9a-f]{8})$/i,Sb=/^rgb\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}[0-9]{1,3}[ %]?\)$/i,Rb=/^rgba\([ ]?([0-9]{1,3}[ %]?,[ ]?){3}(1|[0-9]+%|[0]?\.?[0-9]+)\)$/i,Ib=/^hsl\([ ]?([0-9]{1,3}[ %]?[,]?[ ]*){3}(1|[0-9]+%|[0]?\.?[0-9]+)?\)$/i,Ob=/^hsla\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}(1|[0-9]+%|[0]?\.?[0-9]+)\)$/i,Mb=new Set(["black","silver","gray","white","maroon","red","purple","fuchsia","green","lime","olive","yellow","navy","blue","teal","aqua","orange","aliceblue","antiquewhite","aquamarine","azure","beige","bisque","blanchedalmond","blueviolet","brown","burlywood","cadetblue","chartreuse","chocolate","coral","cornflowerblue","cornsilk","crimson","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkgrey","darkkhaki","darkmagenta","darkolivegreen","darkorange","darkorchid","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkslategrey","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dimgrey","dodgerblue","firebrick","floralwhite","forestgreen","gainsboro","ghostwhite","gold","goldenrod","greenyellow","grey","honeydew","hotpink","indianred","indigo","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgoldenrodyellow","lightgray","lightgreen","lightgrey","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslategray","lightslategrey","lightsteelblue","lightyellow","limegreen","linen","magenta","mediumaquamarine","mediumblue","mediumorchid","mediumpurple","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","oldlace","olivedrab","orangered","orchid","palegoldenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","rosybrown","royalblue","saddlebrown","salmon","sandybrown","seagreen","seashell","sienna","skyblue","slateblue","slategray","slategrey","snow","springgreen","steelblue","tan","thistle","tomato","turquoise","violet","wheat","whitesmoke","yellowgreen","rebeccapurple","currentcolor","transparent"]);function Vb(e){return e.startsWith("#")?Pb.test(e):e.startsWith("rgb")?Sb.test(e)||Rb.test(e):e.startsWith("hsl")?Ib.test(e)||Ob.test(e):Mb.has(e.toLowerCase())}const Nb=["none","hidden","dotted","dashed","solid","double","groove","ridge","inset","outset"];function Db(e){return Nb.includes(e)}const zb=/^([+-]?[0-9]*[.]?[0-9]+(px|cm|mm|in|pc|pt|ch|em|ex|rem|vh|vw|vmin|vmax)|0)$/;function Fb(e){return zb.test(e)}const Bb=/^[+-]?[0-9]*[.]?[0-9]+%$/;const Lb=["repeat-x","repeat-y","repeat","space","round","no-repeat"];const qb=["center","top","bottom","left","right"];function jb(e){return qb.includes(e)}const Hb=["fixed","scroll","local"];function Wb(e){return Hb.includes(e)}const $b=/^url\(/;function Ub(e){return $b.test(e)}function Gb(e=""){if(""===e)return{top:void 0,right:void 0,bottom:void 0,left:void 0};const t=Zb(e),n=t[0],o=t[2]||n,i=t[1]||n;return{top:n,bottom:o,right:i,left:t[3]||i}}function Kb(e){return t=>{const{top:n,right:o,bottom:i,left:r}=t,s=[];return[n,o,r,i].every(e=>!!e)?s.push([e,Jb(t)]):(n&&s.push([e+"-top",n]),o&&s.push([e+"-right",o]),i&&s.push([e+"-bottom",i]),r&&s.push([e+"-left",r])),s}}function Jb({top:e,right:t,bottom:n,left:o}){const i=[];return o!==t?i.push(e,t,n,o):n!==e?i.push(e,t,n):t!==e?i.push(e,t):i.push(e),i.join(" ")}function Zb(e){return e.replace(/, /g,",").split(" ").map(e=>e.replace(/,/g,", "))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Qb(e){e.setNormalizer("border",Yb),e.setNormalizer("border-top",Xb("top")),e.setNormalizer("border-right",Xb("right")),e.setNormalizer("border-bottom",Xb("bottom")),e.setNormalizer("border-left",Xb("left")),e.setNormalizer("border-color",ew("color")),e.setNormalizer("border-width",ew("width")),e.setNormalizer("border-style",ew("style")),e.setNormalizer("border-top-color",nw("color","top")),e.setNormalizer("border-top-style",nw("style","top")),e.setNormalizer("border-top-width",nw("width","top")),e.setNormalizer("border-right-color",nw("color","right")),e.setNormalizer("border-right-style",nw("style","right")),e.setNormalizer("border-right-width",nw("width","right")),e.setNormalizer("border-bottom-color",nw("color","bottom")),e.setNormalizer("border-bottom-style",nw("style","bottom")),e.setNormalizer("border-bottom-width",nw("width","bottom")),e.setNormalizer("border-left-color",nw("color","left")),e.setNormalizer("border-left-style",nw("style","left")),e.setNormalizer("border-left-width",nw("width","left")),e.setExtractor("border-top",ow("top")),e.setExtractor("border-right",ow("right")),e.setExtractor("border-bottom",ow("bottom")),e.setExtractor("border-left",ow("left")),e.setExtractor("border-top-color","border.color.top"),e.setExtractor("border-right-color","border.color.right"),e.setExtractor("border-bottom-color","border.color.bottom"),e.setExtractor("border-left-color","border.color.left"),e.setExtractor("border-top-width","border.width.top"),e.setExtractor("border-right-width","border.width.right"),e.setExtractor("border-bottom-width","border.width.bottom"),e.setExtractor("border-left-width","border.width.left"),e.setExtractor("border-top-style","border.style.top"),e.setExtractor("border-right-style","border.style.right"),e.setExtractor("border-bottom-style","border.style.bottom"),e.setExtractor("border-left-style","border.style.left"),e.setReducer("border-color",Kb("border-color")),e.setReducer("border-style",Kb("border-style")),e.setReducer("border-width",Kb("border-width")),e.setReducer("border-top",aw("top")),e.setReducer("border-right",aw("right")),e.setReducer("border-bottom",aw("bottom")),e.setReducer("border-left",aw("left")),e.setReducer("border",sw),e.setStyleRelation("border",["border-color","border-style","border-width","border-top","border-right","border-bottom","border-left","border-top-color","border-right-color","border-bottom-color","border-left-color","border-top-style","border-right-style","border-bottom-style","border-left-style","border-top-width","border-right-width","border-bottom-width","border-left-width"]),e.setStyleRelation("border-color",["border-top-color","border-right-color","border-bottom-color","border-left-color"]),e.setStyleRelation("border-style",["border-top-style","border-right-style","border-bottom-style","border-left-style"]),e.setStyleRelation("border-width",["border-top-width","border-right-width","border-bottom-width","border-left-width"]),e.setStyleRelation("border-top",["border-top-color","border-top-style","border-top-width"]),e.setStyleRelation("border-right",["border-right-color","border-right-style","border-right-width"]),e.setStyleRelation("border-bottom",["border-bottom-color","border-bottom-style","border-bottom-width"]),e.setStyleRelation("border-left",["border-left-color","border-left-style","border-left-width"])}function Yb(e){const{color:t,style:n,width:o}=rw(e);return{path:"border",value:{color:Gb(t),style:Gb(n),width:Gb(o)}}}function Xb(e){return t=>{const{color:n,style:o,width:i}=rw(t),r={};return void 0!==n&&(r.color={[e]:n}),void 0!==o&&(r.style={[e]:o}),void 0!==i&&(r.width={[e]:i}),{path:"border",value:r}}}function ew(e){return t=>({path:"border",value:tw(t,e)})}function tw(e,t){return{[t]:Gb(e)}}function nw(e,t){return n=>({path:"border",value:{[e]:{[t]:n}}})}function ow(e){return(t,n)=>{if(n.border)return iw(n.border,e)}}function iw(e,t){const n={};return e.width&&e.width[t]&&(n.width=e.width[t]),e.style&&e.style[t]&&(n.style=e.style[t]),e.color&&e.color[t]&&(n.color=e.color[t]),n}function rw(e){const t={},n=Zb(e);for(const e of n)Fb(e)||/thin|medium|thick/.test(e)?t.width=e:Db(e)?t.style=e:t.color=e;return t}function sw(e){const t=[];return t.push(...lw(iw(e,"top"),"top")),t.push(...lw(iw(e,"right"),"right")),t.push(...lw(iw(e,"bottom"),"bottom")),t.push(...lw(iw(e,"left"),"left")),t}function aw(e){return t=>lw(t,e)}function lw(e,t){const n=[];return e&&void 0!==e.width&&n.push(e.width),e&&void 0!==e.style&&n.push(e.style),e&&void 0!==e.color&&n.push(e.color),n.length?[["border-"+t,n.join(" ")]]:[]}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function cw(e){e.setNormalizer("background",dw),e.setNormalizer("background-color",e=>({path:"background.color",value:e})),e.setReducer("background",e=>{const t=[];return t.push(["background-color",e.color]),t})}function dw(e){const t={},n=Zb(e);for(const e of n)o=e,Lb.includes(o)?(t.repeat=t.repeat||[],t.repeat.push(e)):jb(e)?(t.position=t.position||[],t.position.push(e)):Wb(e)?t.attachment=e:Vb(e)?t.color=e:Ub(e)&&(t.image=e);var o;return{path:"background",value:t}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function uw(e,t,n,o){e.for("upcast").attributeToAttribute({view:{styles:{[o]:/[\s\S]+/}},model:{name:t,key:n,value:e=>e.getNormalizedStyle(o)}})}function hw(e,t){e.for("upcast").add(e=>e.on("element:"+t,(e,t,n)=>{if(!t.modelRange)return;const o=["border-top","border-right","border-bottom","border-left"].filter(e=>t.viewItem.hasStyle(e));if(!o.length)return;const i={styles:o};if(!n.consumable.test(t.viewItem,i))return;const r=[...t.modelRange.getItems({shallow:!0})].pop();n.consumable.consume(t.viewItem,i),n.writer.setAttribute("borderStyle",t.viewItem.getNormalizedStyle("border-style"),r),n.writer.setAttribute("borderColor",t.viewItem.getNormalizedStyle("border-color"),r),n.writer.setAttribute("borderWidth",t.viewItem.getNormalizedStyle("border-width"),r)}))}function fw(e,t,n,o){e.for("downcast").attributeToAttribute({model:{name:t,key:n},view:e=>({key:"style",value:{[o]:e}})})}function pw(e,t,n){e.for("downcast").add(e=>e.on(`attribute:${t}:table`,(e,t,o)=>{const{item:i,attributeNewValue:r}=t,{mapper:s,writer:a}=o;if(!o.consumable.consume(t.item,e.name))return;const l=[...s.toViewElement(i).getChildren()].find(e=>e.is("element","table"));r?a.setStyle(n,r,l):a.removeStyle(n,l)}))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class mw extends Bu{constructor(e,t){super(e),this.attributeName=t}refresh(){const e=this.editor.model.document.selection.getFirstPosition().findAncestor("table");this.isEnabled=!!e,this.value=this._getValue(e)}execute(e={}){const t=this.editor.model,n=t.document.selection,{value:o,batch:i}=e,r=n.getFirstPosition().findAncestor("table"),s=this._getValueToSet(o);t.enqueueChange(i||"default",e=>{s?e.setAttribute(this.attributeName,s,r):e.removeAttribute(this.attributeName,r)})}_getValue(e){if(e)return e.getAttribute(this.attributeName)}_getValueToSet(e){return e}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class gw extends mw{constructor(e){super(e,"backgroundColor")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function bw(e){if(!e||!F(e))return e;const{top:t,right:n,bottom:o,left:i}=e;return t==n&&n==o&&o==i?t:void 0}function ww(e,t){const n=parseFloat(e);return Number.isNaN(n)||String(n)!==String(e)?e:`${n}${t}`}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class kw extends mw{constructor(e){super(e,"borderColor")}_getValue(e){if(e)return bw(e.getAttribute(this.attributeName))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class _w extends mw{constructor(e){super(e,"borderStyle")}_getValue(e){if(e)return bw(e.getAttribute(this.attributeName))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class vw extends mw{constructor(e){super(e,"borderWidth")}_getValue(e){if(e)return bw(e.getAttribute(this.attributeName))}_getValueToSet(e){return ww(e,"px")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class yw extends mw{constructor(e){super(e,"width")}_getValueToSet(e){return ww(e,"px")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class xw extends mw{constructor(e){super(e,"height")}_getValueToSet(e){return ww(e,"px")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Cw extends mw{constructor(e){super(e,"alignment")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const Aw=/^(left|right)$/;class Tw extends cd{static get pluginName(){return"TablePropertiesEditing"}static get requires(){return[db]}init(){const e=this.editor,t=e.model.schema,n=e.conversion;e.data.addStyleProcessorRules(Qb),function(e,t){e.extend("table",{allowAttributes:["borderWidth","borderColor","borderStyle"]}),hw(t,"table"),pw(t,"borderColor","border-color"),pw(t,"borderStyle","border-style"),pw(t,"borderWidth","border-width")}(t,n),e.commands.add("tableBorderColor",new kw(e)),e.commands.add("tableBorderStyle",new _w(e)),e.commands.add("tableBorderWidth",new vw(e)),function(e,t){e.extend("table",{allowAttributes:["alignment"]}),t.attributeToAttribute({model:{name:"table",key:"alignment",values:["left","right"]},view:{left:{key:"style",value:{float:"left"}},right:{key:"style",value:{float:"right"}}},converterPriority:"high"}),t.for("upcast").attributeToAttribute({view:{attributes:{align:Aw}},model:{name:"table",key:"alignment",value:e=>e.getAttribute("align")}})}(t,n),e.commands.add("tableAlignment",new Cw(e)),Ew(t,n,"width","width"),e.commands.add("tableWidth",new yw(e)),Ew(t,n,"height","height"),e.commands.add("tableHeight",new xw(e)),e.data.addStyleProcessorRules(cw),function(e,t,n,o){e.extend("table",{allowAttributes:[n]}),uw(t,"table",n,o),pw(t,n,o)}(t,n,"backgroundColor","background-color"),e.commands.add("tableBackgroundColor",new gw(e))}}function Ew(e,t,n,o){e.extend("table",{allowAttributes:[n]}),uw(t,"table",n,o),fw(t,"table",n,o)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Pw extends Hc{constructor(e){super(e);const t=this.bindTemplate;this.set("color"),this.set("hasBorder"),this.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path class="ck-icon__fill" d="M16.935 5.328a2 2 0 0 1 0 2.829l-7.778 7.778a2 2 0 0 1-2.829 0L3.5 13.107a1.999 1.999 0 1 1 2.828-2.829l.707.707a1 1 0 0 0 1.414 0l5.658-5.657a2 2 0 0 1 2.828 0z"/><path d="M14.814 6.035L8.448 12.4a1 1 0 0 1-1.414 0l-1.413-1.415A1 1 0 1 0 4.207 12.4l2.829 2.829a1 1 0 0 0 1.414 0l7.778-7.778a1 1 0 1 0-1.414-1.415z"/></svg>',this.extendTemplate({attributes:{style:{backgroundColor:t.to("color")},class:["ck","ck-color-grid__tile",t.if("hasBorder","ck-color-table__color-tile_bordered")]}})}render(){super.render(),this.iconView.fillColor="hsl(0, 0%, 100%)"}}n(104);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Sw extends yc{constructor(e,t){super(e);const n=t&&t.colorDefinitions||[],o={};t&&t.columns&&(o.gridTemplateColumns=`repeat( ${t.columns}, 1fr)`),this.set("selectedColor"),this.items=this.createCollection(),this.focusTracker=new Kl,this.keystrokes=new jl,this._focusCycler=new Sc({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowleft",focusNext:"arrowright"}}),this.items.on("add",(e,t)=>{t.isOn=t.color===this.selectedColor}),n.forEach(e=>{const t=new Pw;t.set({color:e.color,label:e.label,tooltip:!0,hasBorder:e.options.hasBorder}),t.on("execute",()=>{this.fire("execute",{value:e.color,hasBorder:e.options.hasBorder,label:e.label})}),this.items.add(t)}),this.setTemplate({tag:"div",children:this.items,attributes:{class:["ck","ck-color-grid"],style:o}}),this.on("change:selectedColor",(e,t,n)=>{for(const e of this.items)e.isOn=e.color===n})}focus(){this.items.length&&this.items.first.focus()}focusLast(){this.items.length&&this.items.last.focus()}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.items.on("add",(e,t)=>{this.focusTracker.add(t.element)}),this.items.on("remove",(e,t)=>{this.focusTracker.remove(t.element)}),this.keystrokes.listenTo(this.element)}}n(106);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class Rw extends yc{constructor(e,t){super(e);const n=this.bindTemplate;this.set("value",""),this.set("id"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("isFocused",!1),this.set("isEmpty",!0),this.set("ariaDescribedById"),this.options=t,this._dropdownView=this._createDropdownView(e),this._inputView=this._createInputTextView(e),this._stillTyping=!1,this.setTemplate({tag:"div",attributes:{class:["ck","ck-input-color",n.if("hasError","ck-error")],id:n.to("id"),"aria-invalid":n.if("hasError",!0),"aria-describedby":n.to("ariaDescribedById")},children:[this._dropdownView,this._inputView]}),this.on("change:value",(e,t,n)=>this._setInputValue(n))}focus(){this._inputView.focus()}_createDropdownView(){const e=this.locale,t=e.t,n=this.bindTemplate,o=this._createColorGrid(e),i=Qc(e),r=new yc,s=this._createRemoveColorButton(e);return r.setTemplate({tag:"span",attributes:{class:["ck","ck-input-color__button__preview"],style:{backgroundColor:n.to("value")}},children:[{tag:"span",attributes:{class:["ck","ck-input-color__button__preview__no-color-indicator",n.if("value","ck-hidden",e=>""!=e)]}}]}),i.buttonView.extendTemplate({attributes:{class:"ck-input-color__button"}}),i.buttonView.children.add(r),i.buttonView.tooltip=t("Color picker"),i.panelPosition="rtl"===e.uiLanguageDirection?"se":"sw",i.panelView.children.add(s),i.panelView.children.add(o),i.bind("isEnabled").to(this,"isReadOnly",e=>!e),i}_createInputTextView(){const e=this.locale,t=new Lf(e);return t.extendTemplate({on:{blur:t.bindTemplate.to("blur")}}),t.value=this.value,t.bind("isReadOnly","hasError").to(this),this.bind("isFocused","isEmpty").to(t),t.on("input",()=>{const e=t.element.value,n=this.options.colorDefinitions.find(t=>e===t.label);this._stillTyping=!0,this.value=n&&n.color||e}),t.on("blur",()=>{this._stillTyping=!1,this._setInputValue(t.element.value)}),t.delegate("input").to(this),t}_createRemoveColorButton(){const e=this.locale,t=e.t,n=new Hc(e);return n.class="ck-input-color__remove-color",n.withText=!0,n.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.636 9.531l-2.758 3.94a.5.5 0 0 0 .122.696l3.224 2.284h1.314l2.636-3.736L8.636 9.53zm.288 8.451L5.14 15.396a2 2 0 0 1-.491-2.786l6.673-9.53a2 2 0 0 1 2.785-.49l3.742 2.62a2 2 0 0 1 .491 2.785l-7.269 10.053-2.147-.066z"/><path d="M4 18h5.523v-1H4zm-2 0h1v-1H2z"/></svg>',n.label=t("Remove color"),n.on("execute",()=>{this.value="",this._dropdownView.isOpen=!1,this.fire("input")}),n}_createColorGrid(e){const t=new Sw(e,{colorDefinitions:this.options.colorDefinitions,columns:this.options.columns});return t.on("execute",(e,t)=>{this.value=t.value,this._dropdownView.isOpen=!1,this.fire("input")}),t.bind("selectedColor").to(this,"value"),t}_setInputValue(e){if(!this._stillTyping){const t=Iw(e),n=this.options.colorDefinitions.find(e=>t===Iw(e.color));this._inputView.value=n?n.label:e||""}}}function Iw(e){return e.replace(/([(,])\s+/g,"$1").replace(/^\s+|\s+(?=[),\s]|$)/g,"").replace(/,|\s/g," ")}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const Ow=e=>""===e;function Mw(e){return{none:e("None"),solid:e("Solid"),dotted:e("Dotted"),dashed:e("Dashed"),double:e("Double"),groove:e("Groove"),ridge:e("Ridge"),inset:e("Inset"),outset:e("Outset")}}function Vw(e){return e('The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".')}function Nw(e){return e('The value is invalid. Try "10px" or "2em" or simply "2".')}function Dw(e){return e=e.trim(),Ow(e)||Vb(e)}function zw(e){return e=e.trim(),Ow(e)||Hw(e)||Fb(e)||(t=e,Bb.test(t));var t}function Fw(e){return e=e.trim(),Ow(e)||Hw(e)||Fb(e)}function Bw(e){const t=new An,n=Mw(e.t);for(const o in n){const i={type:"button",model:new Sf({_borderStyleValue:"none"===o?"":o,label:n[o],withText:!0})};"none"===o?i.model.bind("isOn").to(e,"borderStyle",e=>!e):i.model.bind("isOn").to(e,"borderStyle",e=>e===o),t.add(i)}return t}function Lw({view:e,icons:t,toolbar:n,labels:o,propertyName:i,nameToValue:r}){for(const s in o){const a=new Hc(e.locale);a.set({label:o[s],icon:t[s],tooltip:o[s]}),a.bind("isOn").to(e,i,e=>e===r(s)),a.on("execute",()=>{e[i]=r(s)}),n.items.add(a)}}const qw=[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}];function jw(e){return(t,n,o)=>{const i=new Rw(t.locale,{colorDefinitions:(r=e.colorConfig,r.map(e=>({color:e.model,label:e.label,options:{hasBorder:e.hasBorder}}))),columns:e.columns});var r;return i.set({id:n,ariaDescribedById:o}),i.bind("isReadOnly").to(t,"isEnabled",e=>!e),i.bind("hasError").to(t,"errorText",e=>!!e),i.on("input",()=>{t.errorText=null}),t.bind("isEmpty","isFocused").to(i),i}}function Hw(e){const t=parseFloat(e);return!Number.isNaN(t)&&e===String(t)}n(108);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Ww extends yc{constructor(e,t={}){super(e);const n=this.bindTemplate;this.set("class",t.class||null),this.children=this.createCollection(),t.children&&t.children.forEach(e=>this.children.add(e)),this.set("_role",null),this.set("_ariaLabelledBy",null),t.labelView&&this.set({_role:"group",_ariaLabelledBy:t.labelView.id}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__row",n.to("class")],role:n.to("_role"),"aria-labelledby":n.to("_ariaLabelledBy")},children:this.children})}}n(110);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class $w extends yc{constructor(e,t={}){super(e);const n=this.bindTemplate;this.set("label",t.label||""),this.set("class",t.class||null),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__header",n.to("class")]},children:this.children});const o=new yc(e);o.setTemplate({tag:"span",attributes:{class:["ck","ck-form__header__label"]},children:[{text:n.to("label")}]}),this.children.add(o)}}n(18),n(19),n(114);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const Uw={left:ap,center:lp,right:cp};class Gw extends yc{constructor(e,t){super(e),this.set({borderStyle:"",borderWidth:"",borderColor:"",backgroundColor:"",width:"",height:"",alignment:""}),this.options=t;const{borderStyleDropdown:n,borderWidthInput:o,borderColorInput:i,borderRowLabel:r}=this._createBorderFields(),{backgroundRowLabel:s,backgroundInput:a}=this._createBackgroundFields(),{widthInput:l,operatorLabel:c,heightInput:d,dimensionsLabel:u}=this._createDimensionFields(),{alignmentToolbar:h,alignmentLabel:f}=this._createAlignmentFields();this.focusTracker=new Kl,this.keystrokes=new jl,this.children=this.createCollection(),this.borderStyleDropdown=n,this.borderWidthInput=o,this.borderColorInput=i,this.backgroundInput=a,this.widthInput=l,this.heightInput=d,this.alignmentToolbar=h;const{saveButtonView:p,cancelButtonView:m}=this._createActionButtons();this.saveButtonView=p,this.cancelButtonView=m,this._focusables=new nc,this._focusCycler=new Sc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.children.add(new $w(e,{label:this.t("Table properties")})),this.children.add(new Ww(e,{labelView:r,children:[r,n,i,o],class:"ck-table-form__border-row"})),this.children.add(new Ww(e,{labelView:s,children:[s,a],class:"ck-table-form__background-row"})),this.children.add(new Ww(e,{children:[new Ww(e,{labelView:u,children:[u,l,c,d],class:"ck-table-form__dimensions-row"}),new Ww(e,{labelView:f,children:[f,h],class:"ck-table-properties-form__alignment-row"})]})),this.children.add(new Ww(e,{children:[this.saveButtonView,this.cancelButtonView],class:"ck-table-form__action-row"})),this.setTemplate({tag:"form",attributes:{class:["ck","ck-form","ck-table-form","ck-table-properties-form"],tabindex:"-1"},children:this.children})}render(){super.render(),Wf({view:this}),[this.borderStyleDropdown,this.borderColorInput,this.borderWidthInput,this.backgroundInput,this.widthInput,this.heightInput,this.alignmentToolbar,this.saveButtonView,this.cancelButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createBorderFields(){const e=jw({colorConfig:this.options.borderColors,columns:5}),t=this.locale,n=this.t,o=new Ff(t);o.text=n("Border");const i=Mw(this.t),r=new Bf(t,jf);r.set({label:n("Style"),class:"ck-table-form__border-style"}),r.fieldView.buttonView.set({isOn:!1,withText:!0,tooltip:n("Style")}),r.fieldView.buttonView.bind("label").to(this,"borderStyle",e=>i[e||"none"]),r.fieldView.on("execute",e=>{this.borderStyle=e.source._borderStyleValue}),r.bind("isEmpty").to(this,"borderStyle",e=>!e),Xc(r.fieldView,Bw(this));const s=new Bf(t,qf);s.set({label:n("Width"),class:"ck-table-form__border-width"}),s.fieldView.bind("value").to(this,"borderWidth"),s.bind("isEnabled").to(this,"borderStyle",Kw),s.fieldView.on("input",()=>{this.borderWidth=s.fieldView.element.value});const a=new Bf(t,e);return a.set({label:n("Color"),class:"ck-table-form__border-color"}),a.fieldView.bind("value").to(this,"borderColor"),a.bind("isEnabled").to(this,"borderStyle",Kw),a.fieldView.on("input",()=>{this.borderColor=a.fieldView.value}),this.on("change:borderStyle",(e,t,n)=>{Kw(n)||(this.borderColor="",this.borderWidth="")}),{borderRowLabel:o,borderStyleDropdown:r,borderColorInput:a,borderWidthInput:s}}_createBackgroundFields(){const e=this.locale,t=this.t,n=new Ff(e);n.text=t("Background");const o=jw({colorConfig:this.options.backgroundColors,columns:5}),i=new Bf(e,o);return i.set({label:t("Color"),class:"ck-table-properties-form__background"}),i.fieldView.bind("value").to(this,"backgroundColor"),i.fieldView.on("input",()=>{this.backgroundColor=i.fieldView.value}),{backgroundRowLabel:n,backgroundInput:i}}_createDimensionFields(){const e=this.locale,t=this.t,n=new Ff(e);n.text=t("Dimensions");const o=new Bf(e,qf);o.set({label:t("Width"),class:"ck-table-form__dimensions-row__width"}),o.fieldView.bind("value").to(this,"width"),o.fieldView.on("input",()=>{this.width=o.fieldView.element.value});const i=new yc(e);i.setTemplate({tag:"span",attributes:{class:["ck-table-form__dimension-operator"]},children:[{text:"×"}]});const r=new Bf(e,qf);return r.set({label:t("Height"),class:"ck-table-form__dimensions-row__height"}),r.fieldView.bind("value").to(this,"height"),r.fieldView.on("input",()=>{this.height=r.fieldView.element.value}),{dimensionsLabel:n,widthInput:o,operatorLabel:i,heightInput:r}}_createAlignmentFields(){const e=this.locale,t=this.t,n=new Ff(e);n.text=t("Alignment");const o=new ed(e);return o.set({isCompact:!0,ariaLabel:t("Table alignment toolbar")}),Lw({view:this,icons:Uw,toolbar:o,labels:this._alignmentLabels,propertyName:"alignment",nameToValue:e=>"center"===e?"":e}),{alignmentLabel:n,alignmentToolbar:o}}_createActionButtons(){const e=this.locale,t=this.t,n=new Hc(e),o=new Hc(e),i=[this.borderWidthInput,this.borderColorInput,this.backgroundInput,this.widthInput,this.heightInput];return n.set({label:t("Save"),icon:$f,class:"ck-button-save",type:"submit",withText:!0}),n.bind("isEnabled").toMany(i,"errorText",(...e)=>e.every(e=>!e)),o.set({label:t("Cancel"),icon:Uf,class:"ck-button-cancel",type:"cancel",withText:!0}),o.delegate("execute").to(this,"cancel"),{saveButtonView:n,cancelButtonView:o}}get _alignmentLabels(){const e=this.locale,t=this.t,n=t("Align table to the left"),o=t("Center table"),i=t("Align table to the right");return"rtl"===e.uiLanguageDirection?{right:i,center:o,left:n}:{left:n,center:o,right:i}}}function Kw(e){return!!e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function Jw(e,t){const n=e.t,o={Black:n("Black"),"Dim grey":n("Dim grey"),Grey:n("Grey"),"Light grey":n("Light grey"),White:n("White"),Red:n("Red"),Orange:n("Orange"),Yellow:n("Yellow"),"Light green":n("Light green"),Green:n("Green"),Aquamarine:n("Aquamarine"),Turquoise:n("Turquoise"),"Light blue":n("Light blue"),Blue:n("Blue"),Purple:n("Purple")};return t.map(e=>{const t=o[e.label];return t&&t!=e.label&&(e.label=t),e})}function Zw(e){return e.map(Qw).filter(e=>!!e)}function Qw(e){return"string"==typeof e?{model:e,label:e,hasBorder:!1,view:{name:"span",styles:{color:e}}}:{model:e.color,label:e.label||e.color,hasBorder:void 0!==e.hasBorder&&e.hasBorder,view:{name:"span",styles:{color:""+e.color}}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const Yw=wd.defaultPositions,Xw=[Yw.northArrowSouth,Yw.northArrowSouthWest,Yw.northArrowSouthEast,Yw.southArrowNorth,Yw.southArrowNorthWest,Yw.southArrowNorthEast],ek=[...Xw,Rd];function tk(e,t){const n=e.plugins.get("ContextualBalloon");if(Tb(e.editing.view.document.selection)){let o;o="cell"===t?ok(e):nk(e),n.updatePosition(o)}}function nk(e){const t=e.model.document.selection.getFirstPosition().findAncestor("table"),n=e.editing.mapper.toViewElement(t);return{target:e.editing.view.domConverter.viewToDom(n),positions:ek}}function ok(e){const t=e.editing.mapper,n=e.editing.view.domConverter,o=e.model.document.selection;if(o.rangeCount>1)return{target:()=>function(e,t){const n=t.editing.mapper,o=t.editing.view.domConverter,i=Array.from(e).map(e=>{const t=ik(e.start),i=n.toViewElement(t);return new rs(o.viewToDom(i))});return rs.getBoundingRect(i)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(o.getRanges(),e),positions:Xw};const i=ik(o.getFirstPosition()),r=t.toViewElement(i);return{target:n.viewToDom(r),positions:Xw}}function ik(e){return e.nodeAfter&&e.nodeAfter.is("element","tableCell")?e.nodeAfter:e.findAncestor("tableCell")}const rk={borderStyle:"tableBorderStyle",borderColor:"tableBorderColor",borderWidth:"tableBorderWidth",backgroundColor:"tableBackgroundColor",width:"tableWidth",height:"tableHeight",alignment:"tableAlignment"};class sk extends cd{static get requires(){return[Yd]}static get pluginName(){return"TablePropertiesUI"}constructor(e){super(e),e.config.define("table.tableProperties",{borderColors:qw,backgroundColors:qw})}init(){const e=this.editor,t=e.t;this._balloon=e.plugins.get(Yd),this.view=this._createPropertiesView(),this._undoStepBatch=null,e.ui.componentFactory.add("tableProperties",n=>{const o=new Hc(n);o.set({label:t("Table properties"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8 2v5h4V2h1v5h5v1h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5H7v-5H2v-1h5V8H2V7h5V2h1zm4 6H8v4h4V8z" opacity=".6"/><path d="M15.5 11.5l1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM17 1a2 2 0 0 1 2 2v9.475l-.85-.124-.857-1.736a2.048 2.048 0 0 0-.292-.44L17 3H3v14h7.808l.402.392L10.935 19H3a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h14z"/></svg>',tooltip:!0}),this.listenTo(o,"execute",()=>this._showView());const i=Object.values(rk).map(t=>e.commands.get(t));return o.bind("isEnabled").toMany(i,"isEnabled",(...e)=>e.some(e=>e)),o})}destroy(){super.destroy(),this.view.destroy()}_createPropertiesView(){const e=this.editor,t=e.config.get("table.tableProperties"),n=Zw(t.borderColors),o=Jw(e.locale,n),i=Zw(t.backgroundColors),r=Jw(e.locale,i),s=new Gw(e.locale,{borderColors:o,backgroundColors:r}),a=e.t;s.render(),this.listenTo(s,"submit",()=>{this._hideView()}),this.listenTo(s,"cancel",()=>{this._undoStepBatch.operations.length&&e.execute("undo",this._undoStepBatch),this._hideView()}),s.keystrokes.set("Esc",(e,t)=>{this._hideView(),t()}),Zc({emitter:s,activator:()=>this._isViewInBalloon,contextElements:[this._balloon.view.element],callback:()=>this._hideView()});const l=Vw(a),c=Nw(a);return s.on("change:borderStyle",this._getPropertyChangeCallback("tableBorderStyle")),s.on("change:borderColor",this._getValidatedPropertyChangeCallback({viewField:s.borderColorInput,commandName:"tableBorderColor",errorText:l,validator:Dw})),s.on("change:borderWidth",this._getValidatedPropertyChangeCallback({viewField:s.borderWidthInput,commandName:"tableBorderWidth",errorText:c,validator:Fw})),s.on("change:backgroundColor",this._getValidatedPropertyChangeCallback({viewField:s.backgroundInput,commandName:"tableBackgroundColor",errorText:l,validator:Dw})),s.on("change:width",this._getValidatedPropertyChangeCallback({viewField:s.widthInput,commandName:"tableWidth",errorText:c,validator:zw})),s.on("change:height",this._getValidatedPropertyChangeCallback({viewField:s.heightInput,commandName:"tableHeight",errorText:c,validator:zw})),s.on("change:alignment",this._getPropertyChangeCallback("tableAlignment")),s}_fillViewFormFromCommandValues(){const e=this.editor.commands;Object.entries(rk).map(([t,n])=>[t,e.get(n).value||""]).forEach(([e,t])=>this.view.set(e,t))}_showView(){const e=this.editor;this.listenTo(e.ui,"update",()=>{this._updateView()}),this._fillViewFormFromCommandValues(),this._balloon.add({view:this.view,position:nk(e)}),this._undoStepBatch=e.model.createBatch(),this.view.focus()}_hideView(){const e=this.editor;this.stopListening(e.ui,"update"),this.view.saveButtonView.focus(),this._balloon.remove(this.view),this.editor.editing.view.focus()}_updateView(){const e=this.editor;Tb(e.editing.view.document.selection)?this._isViewVisible&&tk(e,"table"):this._hideView()}get _isViewVisible(){return this._balloon.visibleView===this.view}get _isViewInBalloon(){return this._balloon.hasView(this.view)}_getPropertyChangeCallback(e){return(t,n,o)=>{this.editor.execute(e,{value:o,batch:this._undoStepBatch})}}_getValidatedPropertyChangeCallback({commandName:e,viewField:t,validator:n,errorText:o}){const i=Zr(()=>{t.errorText=o},500);return(o,r,s)=>{i.cancel(),n(s)?(this.editor.execute(e,{value:s,batch:this._undoStepBatch}),t.errorText=null):i()}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */n(116);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const ak={left:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z"/></svg>',center:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm2.286 4c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75z"/></svg>',right:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M18 3.75a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 8a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 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yc{constructor(e,t){super(e),this.set({borderStyle:"",borderWidth:"",borderColor:"",padding:"",backgroundColor:"",width:"",height:"",horizontalAlignment:"",verticalAlignment:""}),this.options=t;const{borderStyleDropdown:n,borderWidthInput:o,borderColorInput:i,borderRowLabel:r}=this._createBorderFields(),{backgroundRowLabel:s,backgroundInput:a}=this._createBackgroundFields(),{widthInput:l,operatorLabel:c,heightInput:d,dimensionsLabel:u}=this._createDimensionFields(),{horizontalAlignmentToolbar:h,verticalAlignmentToolbar:f,alignmentLabel:p}=this._createAlignmentFields();this.focusTracker=new Kl,this.keystrokes=new jl,this.children=this.createCollection(),this.borderStyleDropdown=n,this.borderWidthInput=o,this.borderColorInput=i,this.backgroundInput=a,this.paddingInput=this._createPaddingField(),this.widthInput=l,this.heightInput=d,this.horizontalAlignmentToolbar=h,this.verticalAlignmentToolbar=f;const{saveButtonView:m,cancelButtonView:g}=this._createActionButtons();this.saveButtonView=m,this.cancelButtonView=g,this._focusables=new nc,this._focusCycler=new Sc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.children.add(new $w(e,{label:this.t("Cell properties")})),this.children.add(new Ww(e,{labelView:r,children:[r,n,i,o],class:"ck-table-form__border-row"})),this.children.add(new Ww(e,{labelView:s,children:[s,a],class:"ck-table-form__background-row"})),this.children.add(new Ww(e,{children:[new Ww(e,{labelView:u,children:[u,l,c,d],class:"ck-table-form__dimensions-row"}),new Ww(e,{children:[this.paddingInput],class:"ck-table-cell-properties-form__padding-row"})]})),this.children.add(new Ww(e,{labelView:p,children:[p,h,f],class:"ck-table-cell-properties-form__alignment-row"})),this.children.add(new Ww(e,{children:[this.saveButtonView,this.cancelButtonView],class:"ck-table-form__action-row"})),this.setTemplate({tag:"form",attributes:{class:["ck","ck-form","ck-table-form","ck-table-cell-properties-form"],tabindex:"-1"},children:this.children})}render(){super.render(),Wf({view:this}),[this.borderStyleDropdown,this.borderColorInput,this.borderWidthInput,this.backgroundInput,this.widthInput,this.heightInput,this.paddingInput,this.horizontalAlignmentToolbar,this.verticalAlignmentToolbar,this.saveButtonView,this.cancelButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createBorderFields(){const e=jw({colorConfig:this.options.borderColors,columns:5}),t=this.locale,n=this.t,o=new Ff(t);o.text=n("Border");const i=Mw(n),r=new Bf(t,jf);r.set({label:n("Style"),class:"ck-table-form__border-style"}),r.fieldView.buttonView.set({isOn:!1,withText:!0,tooltip:n("Style")}),r.fieldView.buttonView.bind("label").to(this,"borderStyle",e=>i[e||"none"]),r.fieldView.on("execute",e=>{this.borderStyle=e.source._borderStyleValue}),r.bind("isEmpty").to(this,"borderStyle",e=>!e),Xc(r.fieldView,Bw(this));const s=new Bf(t,qf);s.set({label:n("Width"),class:"ck-table-form__border-width"}),s.fieldView.bind("value").to(this,"borderWidth"),s.bind("isEnabled").to(this,"borderStyle",ck),s.fieldView.on("input",()=>{this.borderWidth=s.fieldView.element.value});const a=new Bf(t,e);return a.set({label:n("Color"),class:"ck-table-form__border-color"}),a.fieldView.bind("value").to(this,"borderColor"),a.bind("isEnabled").to(this,"borderStyle",ck),a.fieldView.on("input",()=>{this.borderColor=a.fieldView.value}),this.on("change:borderStyle",(e,t,n)=>{ck(n)||(this.borderColor="",this.borderWidth="")}),{borderRowLabel:o,borderStyleDropdown:r,borderColorInput:a,borderWidthInput:s}}_createBackgroundFields(){const e=this.locale,t=this.t,n=new Ff(e);n.text=t("Background");const o=jw({colorConfig:this.options.backgroundColors,columns:5}),i=new Bf(e,o);return i.set({label:t("Color"),class:"ck-table-cell-properties-form__background"}),i.fieldView.bind("value").to(this,"backgroundColor"),i.fieldView.on("input",()=>{this.backgroundColor=i.fieldView.value}),{backgroundRowLabel:n,backgroundInput:i}}_createDimensionFields(){const e=this.locale,t=this.t,n=new Ff(e);n.text=t("Dimensions");const o=new Bf(e,qf);o.set({label:t("Width"),class:"ck-table-form__dimensions-row__width"}),o.fieldView.bind("value").to(this,"width"),o.fieldView.on("input",()=>{this.width=o.fieldView.element.value});const i=new yc(e);i.setTemplate({tag:"span",attributes:{class:["ck-table-form__dimension-operator"]},children:[{text:"×"}]});const r=new Bf(e,qf);return r.set({label:t("Height"),class:"ck-table-form__dimensions-row__height"}),r.fieldView.bind("value").to(this,"height"),r.fieldView.on("input",()=>{this.height=r.fieldView.element.value}),{dimensionsLabel:n,widthInput:o,operatorLabel:i,heightInput:r}}_createPaddingField(){const e=this.locale,t=this.t,n=new Bf(e,qf);return n.set({label:t("Padding"),class:"ck-table-cell-properties-form__padding"}),n.fieldView.bind("value").to(this,"padding"),n.fieldView.on("input",()=>{this.padding=n.fieldView.element.value}),n}_createAlignmentFields(){const e=this.locale,t=this.t,n=new Ff(e);n.text=t("Table cell text alignment");const o=new ed(e),i="rtl"===this.locale.contentLanguageDirection;o.set({isCompact:!0,ariaLabel:t("Horizontal text alignment toolbar")}),Lw({view:this,icons:ak,toolbar:o,labels:this._horizontalAlignmentLabels,propertyName:"horizontalAlignment",nameToValue:e=>e===(i?"right":"left")?"":e});const r=new ed(e);return r.set({isCompact:!0,ariaLabel:t("Vertical text alignment toolbar")}),Lw({view:this,icons:ak,toolbar:r,labels:this._verticalAlignmentLabels,propertyName:"verticalAlignment",nameToValue:e=>"middle"===e?"":e}),{horizontalAlignmentToolbar:o,verticalAlignmentToolbar:r,alignmentLabel:n}}_createActionButtons(){const e=this.locale,t=this.t,n=new Hc(e),o=new Hc(e),i=[this.borderWidthInput,this.borderColorInput,this.backgroundInput,this.paddingInput];return n.set({label:t("Save"),icon:$f,class:"ck-button-save",type:"submit",withText:!0}),n.bind("isEnabled").toMany(i,"errorText",(...e)=>e.every(e=>!e)),o.set({label:t("Cancel"),icon:Uf,class:"ck-button-cancel",type:"cancel",withText:!0}),o.delegate("execute").to(this,"cancel"),{saveButtonView:n,cancelButtonView:o}}get _horizontalAlignmentLabels(){const e=this.locale,t=this.t,n=t("Align cell text to the left"),o=t("Align cell text to the center"),i=t("Align cell text to the right"),r=t("Justify cell text");return"rtl"===e.uiLanguageDirection?{right:i,center:o,left:n,justify:r}:{left:n,center:o,right:i,justify:r}}get _verticalAlignmentLabels(){const e=this.t;return{top:e("Align cell text to the top"),middle:e("Align cell text to the middle"),bottom:e("Align cell text to the bottom")}}}function ck(e){return!!e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const dk={borderStyle:"tableCellBorderStyle",borderColor:"tableCellBorderColor",borderWidth:"tableCellBorderWidth",width:"tableCellWidth",height:"tableCellHeight",padding:"tableCellPadding",backgroundColor:"tableCellBackgroundColor",horizontalAlignment:"tableCellHorizontalAlignment",verticalAlignment:"tableCellVerticalAlignment"};class uk extends cd{static get requires(){return[Yd]}static get pluginName(){return"TableCellPropertiesUI"}constructor(e){super(e),e.config.define("table.tableCellProperties",{borderColors:qw,backgroundColors:qw})}init(){const e=this.editor,t=e.t;this._balloon=e.plugins.get(Yd),this.view=this._createPropertiesView(),this._undoStepBatch=null,e.ui.componentFactory.add("tableCellProperties",n=>{const o=new Hc(n);o.set({label:t("Cell properties"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.105 18l-.17 1H2.5A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1h15A1.5 1.5 0 0 1 19 2.5v9.975l-.85-.124-.15-.302V8h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5h3.105zM2 12h5V8H2v4zm10-4H8v4h4V8zM2 2v5h5V2H2zm0 16h5v-5H2v5zM13 7h5V2h-5v5zM8 2v5h4V2H8z" opacity=".6"/><path d="M15.5 11.5l1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM13 6a1 1 0 0 1 1 1v3.172a2.047 2.047 0 0 0-.293.443l-.858 1.736-1.916.28-.151.027A1.976 1.976 0 0 0 9.315 14H7a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h6zm-1 2H8v4h4V8z"/></svg>',tooltip:!0}),this.listenTo(o,"execute",()=>this._showView());const i=Object.values(dk).map(t=>e.commands.get(t));return o.bind("isEnabled").toMany(i,"isEnabled",(...e)=>e.some(e=>e)),o})}destroy(){super.destroy(),this.view.destroy()}_createPropertiesView(){const e=this.editor,t=e.editing.view.document,n=e.config.get("table.tableCellProperties"),o=Zw(n.borderColors),i=Jw(e.locale,o),r=Zw(n.backgroundColors),s=Jw(e.locale,r),a=new lk(e.locale,{borderColors:i,backgroundColors:s}),l=e.t;a.render(),this.listenTo(a,"submit",()=>{this._hideView()}),this.listenTo(a,"cancel",()=>{this._undoStepBatch.operations.length&&e.execute("undo",this._undoStepBatch),this._hideView()}),a.keystrokes.set("Esc",(e,t)=>{this._hideView(),t()}),this.listenTo(e.ui,"update",()=>{Tb(t.selection)?this._isViewVisible&&tk(e,"cell"):this._hideView()}),Zc({emitter:a,activator:()=>this._isViewInBalloon,contextElements:[this._balloon.view.element],callback:()=>this._hideView()});const c=Vw(l),d=Nw(l);return a.on("change:borderStyle",this._getPropertyChangeCallback("tableCellBorderStyle")),a.on("change:borderColor",this._getValidatedPropertyChangeCallback({viewField:a.borderColorInput,commandName:"tableCellBorderColor",errorText:c,validator:Dw})),a.on("change:borderWidth",this._getValidatedPropertyChangeCallback({viewField:a.borderWidthInput,commandName:"tableCellBorderWidth",errorText:d,validator:Fw})),a.on("change:padding",this._getValidatedPropertyChangeCallback({viewField:a.paddingInput,commandName:"tableCellPadding",errorText:d,validator:zw})),a.on("change:width",this._getValidatedPropertyChangeCallback({viewField:a.widthInput,commandName:"tableCellWidth",errorText:d,validator:zw})),a.on("change:height",this._getValidatedPropertyChangeCallback({viewField:a.heightInput,commandName:"tableCellHeight",errorText:d,validator:zw})),a.on("change:backgroundColor",this._getValidatedPropertyChangeCallback({viewField:a.backgroundInput,commandName:"tableCellBackgroundColor",errorText:c,validator:Dw})),a.on("change:horizontalAlignment",this._getPropertyChangeCallback("tableCellHorizontalAlignment")),a.on("change:verticalAlignment",this._getPropertyChangeCallback("tableCellVerticalAlignment")),a}_fillViewFormFromCommandValues(){const e=this.editor.commands;Object.entries(dk).map(([t,n])=>[t,e.get(n).value||""]).forEach(([e,t])=>this.view.set(e,t))}_showView(){const e=this.editor;this._fillViewFormFromCommandValues(),this._balloon.add({view:this.view,position:ok(e)}),this._undoStepBatch=e.model.createBatch(),this.view.focus()}_hideView(){if(!this._isViewInBalloon)return;const e=this.editor;this.stopListening(e.ui,"update"),this.view.saveButtonView.focus(),this._balloon.remove(this.view),this.editor.editing.view.focus()}get _isViewVisible(){return this._balloon.visibleView===this.view}get _isViewInBalloon(){return this._balloon.hasView(this.view)}_getPropertyChangeCallback(e){return(t,n,o)=>{this.editor.execute(e,{value:o,batch:this._undoStepBatch})}}_getValidatedPropertyChangeCallback({commandName:e,viewField:t,validator:n,errorText:o}){const i=Zr(()=>{t.errorText=o},500);return(o,r,s)=>{i.cancel(),n(s)?(this.editor.execute(e,{value:s,batch:this._undoStepBatch}),t.errorText=null):i()}}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function hk(e){var t;e.setNormalizer("padding",(t="padding",e=>({path:t,value:Gb(e)}))),e.setNormalizer("padding-top",e=>({path:"padding.top",value:e})),e.setNormalizer("padding-right",e=>({path:"padding.right",value:e})),e.setNormalizer("padding-bottom",e=>({path:"padding.bottom",value:e})),e.setNormalizer("padding-left",e=>({path:"padding.left",value:e})),e.setReducer("padding",Kb("padding")),e.setStyleRelation("padding",["padding-top","padding-right","padding-bottom","padding-left"])}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class fk extends Bu{constructor(e,t){super(e),this.attributeName=t}refresh(){const e=pg(this.editor.model.document.selection);this.isEnabled=!!e.length,this.value=this._getSingleValue(e)}execute(e={}){const{value:t,batch:n}=e,o=this.editor.model,i=pg(o.document.selection),r=this._getValueToSet(t);o.enqueueChange(n||"default",e=>{r?i.forEach(t=>e.setAttribute(this.attributeName,r,t)):i.forEach(t=>e.removeAttribute(this.attributeName,t))})}_getAttribute(e){if(e)return e.getAttribute(this.attributeName)}_getValueToSet(e){return e}_getSingleValue(e){const t=this._getAttribute(e[0]);return e.every(e=>this._getAttribute(e)===t)?t:void 0}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class pk extends fk{constructor(e){super(e,"padding")}_getAttribute(e){if(e)return bw(e.getAttribute(this.attributeName))}_getValueToSet(e){return ww(e,"px")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class mk extends fk{constructor(e){super(e,"width")}_getValueToSet(e){return ww(e,"px")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class gk extends fk{constructor(e){super(e,"height")}_getValueToSet(e){return ww(e,"px")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class bk extends fk{constructor(e){super(e,"backgroundColor")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class wk extends fk{constructor(e){super(e,"verticalAlignment")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class kk extends fk{constructor(e){super(e,"horizontalAlignment")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class _k extends fk{constructor(e){super(e,"borderStyle")}_getAttribute(e){if(e)return bw(e.getAttribute(this.attributeName))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class vk extends fk{constructor(e){super(e,"borderColor")}_getAttribute(e){if(e)return bw(e.getAttribute(this.attributeName))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class yk extends fk{constructor(e){super(e,"borderWidth")}_getAttribute(e){if(e)return bw(e.getAttribute(this.attributeName))}_getValueToSet(e){return ww(e,"px")}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const xk=/^(top|bottom)$/;class Ck extends cd{static get pluginName(){return"TableCellPropertiesEditing"}static get requires(){return[db]}init(){const e=this.editor,t=e.model.schema,n=e.conversion,o=e.locale;e.data.addStyleProcessorRules(Qb),function(e,t){e.extend("tableCell",{allowAttributes:["borderWidth","borderColor","borderStyle"]}),hw(t,"td"),hw(t,"th"),fw(t,"tableCell","borderStyle","border-style"),fw(t,"tableCell","borderColor","border-color"),fw(t,"tableCell","borderWidth","border-width")}(t,n),e.commands.add("tableCellBorderStyle",new _k(e)),e.commands.add("tableCellBorderColor",new vk(e)),e.commands.add("tableCellBorderWidth",new yk(e)),function(e,t,n){e.extend("tableCell",{allowAttributes:["horizontalAlignment"]});const o=["rtl"==n.contentLanguageDirection?"left":"right","center","justify"];t.attributeToAttribute({model:{name:"tableCell",key:"horizontalAlignment",values:o},view:o.reduce((e,t)=>({...e,[t]:{key:"style",value:{"text-align":t}}}),{})})}(t,n,o),e.commands.add("tableCellHorizontalAlignment",new kk(e)),Ak(t,n,"width","width"),e.commands.add("tableCellWidth",new mk(e)),Ak(t,n,"height","height"),e.commands.add("tableCellHeight",new gk(e)),e.data.addStyleProcessorRules(hk),Ak(t,n,"padding","padding"),e.commands.add("tableCellPadding",new pk(e)),e.data.addStyleProcessorRules(cw),Ak(t,n,"backgroundColor","background-color"),e.commands.add("tableCellBackgroundColor",new bk(e)),function(e,t){e.extend("tableCell",{allowAttributes:["verticalAlignment"]}),t.attributeToAttribute({model:{name:"tableCell",key:"verticalAlignment",values:["top","bottom"]},view:{top:{key:"style",value:{"vertical-align":"top"}},bottom:{key:"style",value:{"vertical-align":"bottom"}}}}),t.for("upcast").attributeToAttribute({view:{attributes:{valign:xk}},model:{name:"tableCell",key:"verticalAlignment",value:e=>e.getAttribute("valign")}})}(t,n),e.commands.add("tableCellVerticalAlignment",new wk(e))}}function Ak(e,t,n,o){e.extend("tableCell",{allowAttributes:[n]}),uw(t,"tableCell",n,o),fw(t,"tableCell",n,o)}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-function Tk(e,t){if(!e.childCount)return;const n=new Fu(e.document),o=function(e,t){const n=t.createRangeIn(e),o=new Bn({name:/^p|h\d+$/,styles:{"mso-list":/.*/}}),i=[];for(const e of n)if("elementStart"===e.type&&o.match(e.item)){const t=Sk(e.item);i.push({element:e.item,id:t.id,order:t.order,indent:t.indent})}return i}(e,n);if(!o.length)return;let i=null,r=1;o.forEach((e,s)=>{const a=function(e,t){if(!e)return!0;if(e.id!==t.id)return t.indent-e.indent!=1;const n=t.element.previousSibling;if(!n)return!0;return o=n,!(o.is("element","ol")||o.is("element","ul"));var o}(o[s-1],e),l=a?null:o[s-1],c=(u=e,(d=l)?u.indent-d.indent:u.indent-1);var d,u;if(a&&(i=null,r=1),!i||0!==c){const o=function(e,t){const n=new RegExp(`@list l${e.id}:level${e.indent}\\s*({[^}]*)`,"gi"),o=/mso-level-number-format:([^;]*);/gi,i=n.exec(t);let r="decimal",s="ol";if(i&&i[1]){const t=o.exec(i[1]);if(t&&t[1]&&(r=t[1].trim(),s="bullet"!==r&&"image"!==r?"ol":"ul"),"bullet"===r){const t=function(e){const t=function(e){if(e.getChild(0).is("$text"))return null;const t=e.getChild(0).getChild(0);if(t.is("$text"))return t;return t.getChild(0)}(e);if(!t)return null;const n=t._data;if("o"===n)return"circle";if("·"===n)return"disc";if("§"===n)return"square";return null}(e.element);t&&(r=t)}}return{type:s,style:Ek(r)}}(e,t);if(i){if(e.indent>r){const e=i.getChild(i.childCount-1),t=e.getChild(e.childCount-1);i=Pk(o,t,n),r+=1}else if(e.indent<r){const t=r-e.indent;i=function(e,t){const n=e.getAncestors({parentFirst:!0});let o=null,i=0;for(const e of n)if("ul"!==e.name&&"ol"!==e.name||i++,i===t){o=e;break}return o}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
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-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Ok(e){return e.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(e,t)=>1===t.length?" ":Array(t.length+1).join("  ").substr(0,t.length))}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Mk(e,t){const n=new DOMParser,o=function(e){return Ok(Ok(e)).replace(/(<span\s+style=['"]mso-spacerun:yes['"]>[\s]*?)[\r\n]+(\s*<\/span>)/g,"$1$2").replace(/<span\s+style=['"]mso-spacerun:yes['"]><\/span>/g,"").replace(/ <\//g," </").replace(/ <o:p><\/o:p>/g," <o:p></o:p>").replace(/<o:p>(&nbsp;|\u00A0)<\/o:p>/g,"").replace(/>(\s*[\r\n]\s*)</g,"><")}(function(e){const t=e.match(/<\/body>(.*?)(<\/html>|$)/);t&&t[1]&&(e=e.slice(0,t.index)+e.slice(t.index).replace(t[1],""));return e}
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-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(o,function(e){if(!e)return[];const t=/{\\pict[\s\S]+?\\bliptag-?\d+(\\blipupi-?\d+)?({\\\*\\blipuid\s?[\da-fA-F]+)?[\s}]*?/,n=new RegExp("(?:("+t.source+"))([\\da-fA-F\\s]+)\\}","g"),o=e.match(n),i=[];if(o)for(const e of o){let n=!1;e.includes("\\pngblip")?n="image/png":e.includes("\\jpegblip")&&(n="image/jpeg"),n&&i.push({hex:e.replace(t,"").replace(/[^\da-fA-F]/g,""),type:n})}return i}(t),n)}const Nk=/<meta\s*name="?generator"?\s*content="?microsoft\s*word\s*\d+"?\/?>/i,Dk=/xmlns:o="urn:schemas-microsoft-com/i;class zk{constructor(e){this.document=e}isActive(e){return Nk.test(e)||Dk.test(e)}execute(e){const{body:t,stylesString:n}=Mk(e.dataTransfer.getData("text/html"),this.document.stylesProcessor);Tk(t,n),Vk(t,e.dataTransfer.getData("text/rtf")),e.content=t}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Fk extends Bu{constructor(e){super(e),this._selectedElements=[],this.on("execute",()=>{this.refresh()},{priority:"highest"})}refresh(){this._selectedElements=this._getSelectedItems(),this.value=this._selectedElements.every(e=>!!e.getAttribute("todoListChecked")),this.isEnabled=!!this._selectedElements.length}_getSelectedItems(){const e=this.editor.model,t=e.schema,n=e.document.selection.getFirstRange(),o=n.start.parent,i=[];t.checkAttribute(o,"todoListChecked")&&i.push(o);for(const e of n.getItems())t.checkAttribute(e,"todoListChecked")&&!i.includes(e)&&i.push(e);return i}execute(e={}){this.editor.model.change(t=>{for(const n of this._selectedElements){(void 0===e.forceValue?!this.value:e.forceValue)?t.setAttribute("todoListChecked",!0,n):t.removeAttribute("todoListChecked",n)}})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */function Bk(e,t,n){const o=t.modelCursor,i=o.parent,r=t.viewItem;if("checkbox"!=r.getAttribute("type")||"listItem"!=i.name||!o.isAtStart)return;if(!n.consumable.consume(r,{name:!0}))return;const s=n.writer;s.setAttribute("listType","todo",i),t.viewItem.hasAttribute("checked")&&s.setAttribute("todoListChecked",!0,i),t.modelRange=s.createRange(o)}function Lk(e){return(t,n)=>{const o=n.modelPosition,i=o.parent;if(!i.is("element","listItem")||"todo"!=i.getAttribute("listType"))return;const r=jk(n.mapper.toViewElement(i),e);r&&(n.viewPosition=n.mapper.findPositionIn(r,o.offset))}}function qk(e,t,n,o){return t.createUIElement("label",{class:"todo-list__label",contenteditable:!1},(function(t){const i=Cc(document,"input",{type:"checkbox"});n&&i.setAttribute("checked","checked"),i.addEventListener("change",()=>o(e));const r=this.toDomElement(t);return r.appendChild(i),r}))}function jk(e,t){const n=t.createRangeIn(e);for(const e of n)if(e.item.is("containerElement","span")&&e.item.hasClass("todo-list__label__description"))return e.item}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Hk extends cd{static get pluginName(){return"TodoListEditing"}static get requires(){return[Mm]}init(){const e=this.editor,{editing:t,data:n,model:o}=e;var i,r;o.schema.extend("listItem",{allowAttributes:["todoListChecked"]}),o.schema.addAttributeCheck((e,t)=>{const n=e.last;if("todoListChecked"==t&&"listItem"==n.name&&"todo"!=n.getAttribute("listType"))return!1}),e.commands.add("todoList",new lm(e,"todo")),e.commands.add("todoListCheck",new Fk(e)),n.downcastDispatcher.on("insert:listItem",function(e){return(t,n,o)=>{const i=o.consumable;if(!i.test(n.item,"insert")||!i.test(n.item,"attribute:listType")||!i.test(n.item,"attribute:listIndent"))return;if("todo"!=n.item.getAttribute("listType"))return;const r=n.item;i.consume(r,"insert"),i.consume(r,"attribute:listType"),i.consume(r,"attribute:listIndent"),i.consume(r,"attribute:todoListChecked");const s=o.writer,a=hm(r,o);s.addClass("todo-list",a.parent);const l=s.createContainerElement("label",{class:"todo-list__label"}),c=s.createEmptyElement("input",{type:"checkbox",disabled:"disabled"}),d=s.createContainerElement("span",{class:"todo-list__label__description"});r.getAttribute("todoListChecked")&&s.setAttribute("checked","checked",c),s.insert(s.createPositionAt(a,0),l),s.insert(s.createPositionAt(l,0),c),s.insert(s.createPositionAfter(c),d),fm(r,a,o,e)}}(o),{priority:"high"}),n.upcastDispatcher.on("element:input",Bk,{priority:"high"}),t.downcastDispatcher.on("insert:listItem",function(e,t){return(n,o,i)=>{const r=i.consumable;if(!r.test(o.item,"insert")||!r.test(o.item,"attribute:listType")||!r.test(o.item,"attribute:listIndent"))return;if("todo"!=o.item.getAttribute("listType"))return;const s=o.item;r.consume(s,"insert"),r.consume(s,"attribute:listType"),r.consume(s,"attribute:listIndent"),r.consume(s,"attribute:todoListChecked");const a=i.writer,l=hm(s,i),c=!!s.getAttribute("todoListChecked"),d=qk(s,a,c,t),u=a.createContainerElement("span",{class:"todo-list__label__description"});a.addClass("todo-list",l.parent),a.insert(a.createPositionAt(l,0),d),a.insert(a.createPositionAfter(d),u),fm(s,l,i,e)}}(o,e=>this._handleCheckmarkChange(e)),{priority:"high"}),t.downcastDispatcher.on("attribute:listType:listItem",(i=e=>this._handleCheckmarkChange(e),r=t.view,(e,t,n)=>{const o=n.mapper.toViewElement(t.item),s=n.writer,a=function(e,t){const n=t.createRangeIn(e);for(const e of n)if(e.item.is("uiElement","label"))return e.item}(o,r);if("todo"==t.attributeNewValue){const e=!!t.item.getAttribute("todoListChecked"),n=qk(t.item,s,e,i),r=s.createContainerElement("span",{class:"todo-list__label__description"}),a=s.createRangeIn(o),l=wm(o),c=mm(a.start),d=l?s.createPositionBefore(l):a.end,u=s.createRange(c,d);s.addClass("todo-list",o.parent),s.move(u,s.createPositionAt(r,0)),s.insert(s.createPositionAt(o,0),n),s.insert(s.createPositionAfter(n),r)}else if("todo"==t.attributeOldValue){const e=jk(o,r);s.removeClass("todo-list",o.parent),s.remove(a),s.move(s.createRangeIn(e),s.createPositionBefore(e)),s.remove(e)}})),t.downcastDispatcher.on("attribute:todoListChecked:listItem",function(e){return(t,n,o)=>{if("todo"!=n.item.getAttribute("listType"))return;if(!o.consumable.consume(n.item,"attribute:todoListChecked"))return;const{mapper:i,writer:r}=o,s=!!n.item.getAttribute("todoListChecked"),a=i.toViewElement(n.item).getChild(0),l=qk(n.item,r,s,e);r.insert(r.createPositionAfter(a),l),r.remove(a)}}(e=>this._handleCheckmarkChange(e))),t.mapper.on("modelToViewPosition",Lk(t.view)),n.mapper.on("modelToViewPosition",Lk(t.view)),this.listenTo(t.view.document,"keydown",function(e,t){return(n,o)=>{if("left"!=yi(o.keyCode,t.contentLanguageDirection))return;const i=e.schema,r=e.document.selection;if(!r.isCollapsed)return;const s=r.getFirstPosition(),a=s.parent;if("listItem"===a.name&&"todo"==a.getAttribute("listType")&&s.isAtStart){const t=i.getNearestSelectionRange(e.createPositionBefore(a),"backward");t&&e.change(e=>e.setSelection(t)),o.preventDefault(),o.stopPropagation(),n.stop()}}}(o,e.locale)),e.keystrokes.set("Ctrl+space",()=>e.execute("todoListCheck"));const s=new Set;this.listenTo(o,"applyOperation",(e,t)=>{const n=t[0];if("rename"==n.type&&"listItem"==n.oldName){const e=n.position.nodeAfter;e.hasAttribute("todoListChecked")&&s.add(e)}else if("changeAttribute"==n.type&&"listType"==n.key&&"todo"===n.oldValue)for(const e of n.range.getItems())e.hasAttribute("todoListChecked")&&"todo"!==e.getAttribute("listType")&&s.add(e)}),o.document.registerPostFixer(e=>{let t=!1;for(const n of s)e.removeAttribute("todoListChecked",n),t=!0;return s.clear(),t})}_handleCheckmarkChange(e){const t=this.editor,n=t.model,o=Array.from(n.document.selection.getRanges());n.change(n=>{n.setSelection(e,"end"),t.execute("todoListCheck"),n.setSelection(o)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
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-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */var $k=/highlight-(?:text|source)-([a-z0-9]+)/;function Uk(e){e.addRule("highlightedCodeBlock",{filter:function(e){var t=e.firstChild;return"DIV"===e.nodeName&&$k.test(e.className)&&t&&"PRE"===t.nodeName},replacement:function(e,t,n){var o=((t.className||"").match($k)||[null,""])[1];return"\n\n"+n.fence+o+"\n"+t.firstChild.textContent+"\n"+n.fence+"\n\n"}})}var Gk=Array.prototype.indexOf,Kk=Array.prototype.every,Jk={};function Zk(e){var t,n,o=e.parentNode;return"THEAD"===o.nodeName||o.firstChild===e&&("TABLE"===o.nodeName||(n=(t=o).previousSibling,"TBODY"===t.nodeName&&(!n||"THEAD"===n.nodeName&&/^\s*$/i.test(n.textContent))))&&Kk.call(e.childNodes,(function(e){return"TH"===e.nodeName}))}function Qk(e,t){var n=" ";return 0===Gk.call(t.parentNode.childNodes,t)&&(n="| "),n+e+" |"}function Yk(e,t){return Array(t+1).join(e)}Jk.tableCell={filter:["th","td"],replacement:function(e,t){return Qk(e,t)}},Jk.tableRow={filter:"tr",replacement:function(e,t){var n="",o={left:":--",right:"--:",center:":-:"};if(Zk(t))for(var i=0;i<t.childNodes.length;i++){var r="---",s=(t.childNodes[i].getAttribute("align")||"").toLowerCase();s&&(r=o[s]||r),n+=Qk(r,t.childNodes[i])}return"\n"+e+(n?"\n"+n:"")}},Jk.table={filter:function(e){return"TABLE"===e.nodeName&&Zk(e.rows[0])},replacement:function(e){return"\n\n"+(e=e.replace("\n\n","\n"))+"\n\n"}},Jk.tableSection={filter:["thead","tbody","tfoot"],replacement:function(e){return e}};var Xk=["address","article","aside","audio","blockquote","body","canvas","center","dd","dir","div","dl","dt","fieldset","figcaption","figure","footer","form","frameset","h1","h2","h3","h4","h5","h6","header","hgroup","hr","html","isindex","li","main","menu","nav","noframes","noscript","ol","output","p","pre","section","table","tbody","td","tfoot","th","thead","tr","ul"];function e_(e){return-1!==Xk.indexOf(e.nodeName.toLowerCase())}var t_=["area","base","br","col","command","embed","hr","img","input","keygen","link","meta","param","source","track","wbr"];function n_(e){return-1!==t_.indexOf(e.nodeName.toLowerCase())}var o_=t_.join();var i_={};function r_(e){for(var t in this.options=e,this._keep=[],this._remove=[],this.blankRule={replacement:e.blankReplacement},this.keepReplacement=e.keepReplacement,this.defaultRule={replacement:e.defaultReplacement},this.array=[],e.rules)this.array.push(e.rules[t])}function s_(e,t,n){for(var o=0;o<e.length;o++){var i=e[o];if(a_(i,t,n))return i}}function a_(e,t,n){var o=e.filter;if("string"==typeof o){if(o===t.nodeName.toLowerCase())return!0}else if(Array.isArray(o)){if(o.indexOf(t.nodeName.toLowerCase())>-1)return!0}else{if("function"!=typeof o)throw new TypeError("`filter` needs to be a string, array, or function");if(o.call(e,t,n))return!0}}function l_(e){var t=e.nextSibling||e.parentNode;return e.parentNode.removeChild(e),t}function c_(e,t,n){return e&&e.parentNode===t||n(t)?t.nextSibling||t.parentNode:t.firstChild||t.nextSibling||t.parentNode}i_.paragraph={filter:"p",replacement:function(e){return"\n\n"+e+"\n\n"}},i_.lineBreak={filter:"br",replacement:function(e,t,n){return n.br+"\n"}},i_.heading={filter:["h1","h2","h3","h4","h5","h6"],replacement:function(e,t,n){var o=Number(t.nodeName.charAt(1));return"setext"===n.headingStyle&&o<3?"\n\n"+e+"\n"+Yk(1===o?"=":"-",e.length)+"\n\n":"\n\n"+Yk("#",o)+" "+e+"\n\n"}},i_.blockquote={filter:"blockquote",replacement:function(e){return"\n\n"+(e=(e=e.replace(/^\n+|\n+$/g,"")).replace(/^/gm,"> "))+"\n\n"}},i_.list={filter:["ul","ol"],replacement:function(e,t){var n=t.parentNode;return"LI"===n.nodeName&&n.lastElementChild===t?"\n"+e:"\n\n"+e+"\n\n"}},i_.listItem={filter:"li",replacement:function(e,t,n){e=e.replace(/^\n+/,"").replace(/\n+$/,"\n").replace(/\n/gm,"\n    ");var o=n.bulletListMarker+"   ",i=t.parentNode;if("OL"===i.nodeName){var r=i.getAttribute("start"),s=Array.prototype.indexOf.call(i.children,t);o=(r?Number(r)+s:s+1)+".  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-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
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-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class O_ extends cd{static get pluginName(){return"MentionEditing"}init(){const e=this.editor,t=e.model,n=t.document;t.schema.extend("$text",{allowAttributes:"mention"}),e.conversion.for("upcast").elementToAttribute({view:{name:"span",key:"data-mention",classes:"mention"},model:{key:"mention",value:e=>V_(e)}}),e.conversion.for("downcast").attributeToElement({model:"mention",view:D_}),e.conversion.for("downcast").add(N_),n.registerPostFixer(e=>function(e,t,n){const o=t.differ.getChanges();let i=!1;for(const t of o){const o=t.position;if("$text"==t.name){const t=o.textNode&&o.textNode.nextSibling;i=F_(o.textNode,e)||i,i=F_(t,e)||i,i=F_(o.nodeBefore,e)||i,i=F_(o.nodeAfter,e)||i}if("$text"!=t.name&&"insert"==t.type){const t=o.nodeAfter;for(const n of e.createRangeIn(t).getItems())i=F_(n,e)||i}if("insert"==t.type&&n.isInline(t.name)){const t=o.nodeAfter&&o.nodeAfter.nextSibling;i=F_(o.nodeBefore,e)||i,i=F_(t,e)||i}}return i}(e,n,t.schema)),n.registerPostFixer(e=>function(e,t){const n=t.differ.getChanges();let o=!1;for(const t of n)if("attribute"===t.type&&"mention"!=t.attributeKey){const n=t.range.start.nodeBefore,i=t.range.end.nodeAfter;for(const r of[n,i])z_(r)&&r.getAttribute(t.attributeKey)!=t.attributeNewValue&&(e.setAttribute(t.attributeKey,t.attributeNewValue,r),o=!0)}return o}(e,n)),n.registerPostFixer(e=>function(e,t){const n=t.selection,o=n.focus;if(n.isCollapsed&&n.hasAttribute("mention")&&function(e){const t=e.isAtStart;return e.nodeBefore&&e.nodeBefore.is("$text")||t}(o))return e.removeSelectionAttribute("mention"),!0}(e,n)),e.commands.add("mention",new I_(e))}}function M_(e,t){return Object.assign({uid:un()},e,t||{})}function V_(e,t){const n=e.getAttribute("data-mention"),o=e.getChild(0);if(!o)return;return M_({id:n,_text:o.data},t)}function N_(e){e.on("attribute:mention",(e,t,n)=>{const o=t.attributeNewValue;if(!t.item.is("$textProxy")||!o)return;const i=t.range.start;(i.textNode||i.nodeAfter).data!=o._text&&n.consumable.consume(t.item,e.name)},{priority:"highest"})}function D_(e,{writer:t}){if(!e)return;const n={class:"mention","data-mention":e.id},o={id:e.uid,priority:20};return t.createAttributeElement("span",n,o)}function z_(e){if(!e||!e.is("$text")&&!e.is("$textProxy")||!e.hasAttribute("mention"))return!1;return e.data!=e.getAttribute("mention")._text}function F_(e,t){return!!z_(e)&&(t.removeAttribute("mention",e),!0)}n(178);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class B_ extends Uc{constructor(e){super(e),this.extendTemplate({attributes:{class:["ck-mentions"],tabindex:"-1"}})}selectFirst(){this.select(0)}selectNext(){const e=this.selected,t=this.items.getIndex(e);this.select(t+1)}selectPrevious(){const e=this.selected,t=this.items.getIndex(e);this.select(t-1)}select(e){let t=0;e>0&&e<this.items.length?t=e:e<0&&(t=this.items.length-1);const n=this.items.get(t);this.selected!==n&&(this.selected&&this.selected.removeHighlight(),n.highlight(),this.selected=n,this._isItemVisibleInScrolledArea(n)||(this.element.scrollTop=n.element.offsetTop))}executeSelected(){this.selected.fire("execute")}_isItemVisibleInScrolledArea(e){return new rs(this.element).contains(new rs(e.element))}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class L_ extends yc{constructor(e,t){super(e),this.template=!1,this.domElement=t,this.domElement.classList.add("ck-button"),this.set("isOn",!1),this.on("change:isOn",(e,t,n)=>{n?(this.domElement.classList.add("ck-on"),this.domElement.classList.remove("ck-off")):(this.domElement.classList.add("ck-off"),this.domElement.classList.remove("ck-on"))}),this.listenTo(this.domElement,"click",()=>{this.fire("execute")})}render(){super.render(),this.element=this.domElement}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class q_ extends Gc{highlight(){this.children.first.isOn=!0}removeHighlight(){this.children.first.isOn=!1}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const j_=[bi.arrowup,bi.arrowdown,bi.enter,bi.tab,bi.esc];class H_ extends cd{static get pluginName(){return"MentionUI"}static get requires(){return[Yd]}constructor(e){super(e),this._mentionsView=this._createMentionView(),this._mentionsConfigurations=new Map,this._requestFeedDebounced=Zr(this._requestFeed,100),e.config.define("mention",{feeds:[]})}init(){const e=this.editor;this._balloon=e.plugins.get(Yd),e.editing.view.document.on("keydown",(e,t)=>{var n;n=t.keyCode,j_.includes(n)&&this._isUIVisible&&(t.preventDefault(),e.stop(),t.keyCode==bi.arrowdown&&this._mentionsView.selectNext(),t.keyCode==bi.arrowup&&this._mentionsView.selectPrevious(),t.keyCode!=bi.enter&&t.keyCode!=bi.tab||this._mentionsView.executeSelected(),t.keyCode==bi.esc&&this._hideUIAndRemoveMarker())},{priority:"highest"}),Zc({emitter:this._mentionsView,activator:()=>this._isUIVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideUIAndRemoveMarker()});const t=e.config.get("mention.feeds");for(const e of t){const t=e.feed,n=e.marker;if(!G_(n))throw new fn.a("mentionconfig-incorrect-marker",null,{marker:n});const o=e.minimumCharacters||0,i="function"==typeof t?t.bind(this.editor):U_(t),r={watcher:this._setupTextWatcherForFeed(n,o),marker:n,feedCallback:i,itemRenderer:e.itemRenderer};this._mentionsConfigurations.set(n,r)}this.on("requestFeed:response",(e,t)=>this._handleFeedResponse(t)),this.on("requestFeed:error",()=>this._hideUIAndRemoveMarker())}destroy(){super.destroy(),this._mentionsView.destroy()}get _isUIVisible(){return this._balloon.visibleView===this._mentionsView}_createMentionView(){const e=this.editor.locale,t=new B_(e);return this._items=new An,t.items.bindTo(this._items).using(n=>{const{item:o,marker:i}=n,r=new q_(e),s=this._renderItem(o,i);return s.delegate("execute").to(r),r.children.add(s),r.item=o,r.marker=i,r.on("execute",()=>{t.fire("execute",{item:o,marker:i})}),r}),t.on("execute",(e,t)=>{const n=this.editor,o=n.model,i=t.item,r=t.marker,s=n.model.markers.get("mention"),a=o.createPositionAt(o.document.selection.focus),l=o.createPositionAt(s.getStart()),c=o.createRange(l,a);this._hideUIAndRemoveMarker(),n.execute("mention",{mention:i,text:i.text,marker:r,range:c}),n.editing.view.focus()}),t}_getItemRenderer(e){const{itemRenderer:t}=this._mentionsConfigurations.get(e);return t}_requestFeed(e,t){this._lastRequested=t;const{feedCallback:n}=this._mentionsConfigurations.get(e),o=n(t);o instanceof Promise?o.then(n=>{this._lastRequested==t?this.fire("requestFeed:response",{feed:n,marker:e,feedText:t}):this.fire("requestFeed:discarded",{feed:n,marker:e,feedText:t})}).catch(t=>{this.fire("requestFeed:error",{error:t}),Object(fn.c)("mention-feed-callback-error",{marker:e})}):this.fire("requestFeed:response",{feed:o,marker:e,feedText:t})}_setupTextWatcherForFeed(e,t){const n=this.editor,o=new im(n.model,function(e,t){const n=$_(e,t);return e=>n.test(e)}(e,t));o.on("matched",(t,o)=>{const i=n.model.document.selection.focus;if(function(e){const t=e.textNode&&e.textNode.hasAttribute("mention"),n=e.nodeBefore;return t||n&&n.is("$text")&&n.hasAttribute("mention")}(i))return void this._hideUIAndRemoveMarker();const r=function(e,t){const n=$_(e,0);return t.match(n)[2]}(e,o.text),s=e.length+r.length,a=i.getShiftedBy(-s),l=i.getShiftedBy(-r.length),c=n.model.createRange(a,l);if(K_(n)){const e=n.model.markers.get("mention");n.model.change(t=>{t.updateMarker(e,{range:c})})}else n.model.change(e=>{e.addMarker("mention",{range:c,usingOperation:!1,affectsData:!1})});this._requestFeedDebounced(e,r)}),o.on("unmatched",()=>{this._hideUIAndRemoveMarker()});const i=n.commands.get("mention");return o.bind("isEnabled").to(i),o}_handleFeedResponse(e){const{feed:t,marker:n}=e;if(!K_(this.editor))return;this._items.clear();for(const e of t){const t="object"!=typeof e?{id:e,text:e}:e;this._items.add({item:t,marker:n})}const o=this.editor.model.markers.get("mention");this._items.length?this._showOrUpdateUI(o):this._hideUIAndRemoveMarker()}_showOrUpdateUI(e){this._isUIVisible?this._balloon.updatePosition(this._getBalloonPanelPositionData(e,this._mentionsView.position)):this._balloon.add({view:this._mentionsView,position:this._getBalloonPanelPositionData(e,this._mentionsView.position),withArrow:!1,singleViewMode:!0}),this._mentionsView.position=this._balloon.view.position,this._mentionsView.selectFirst()}_hideUIAndRemoveMarker(){this._balloon.hasView(this._mentionsView)&&this._balloon.remove(this._mentionsView),K_(this.editor)&&this.editor.model.change(e=>e.removeMarker("mention")),this._mentionsView.position=void 0}_renderItem(e,t){const n=this.editor;let o,i=e.id;const r=this._getItemRenderer(t);if(r){const t=r(e);"string"!=typeof t?o=new L_(n.locale,t):i=t}if(!o){const e=new Hc(n.locale);e.label=i,e.withText=!0,o=e}return o}_getBalloonPanelPositionData(e,t){const n=this.editor,o=n.editing,i=o.view.domConverter,r=o.mapper;return{target:()=>{let t=e.getRange();"$graveyard"==t.start.root.rootName&&(t=n.model.document.selection.getFirstRange());const o=r.toViewRange(t);return rs.getDomRangeRects(i.viewRangeToDom(o)).pop()},limiter:()=>{const e=this.editor.editing.view,t=e.document.selection.editableElement;return t?e.domConverter.mapViewToDom(t.root):null},positions:W_(t)}}}function W_(e){const t={caret_se:e=>({top:e.bottom+3,left:e.right,name:"caret_se"}),caret_ne:(e,t)=>({top:e.top-t.height-3,left:e.right,name:"caret_ne"}),caret_sw:(e,t)=>({top:e.bottom+3,left:e.right-t.width,name:"caret_sw"}),caret_nw:(e,t)=>({top:e.top-t.height-3,left:e.right-t.width,name:"caret_nw"})};return Object.prototype.hasOwnProperty.call(t,e)?[t[e]]:[t.caret_se,t.caret_sw,t.caret_ne,t.caret_nw]}function $_(e,t){const n=0==t?"*":`{${t},}`,o=pi.features.isRegExpUnicodePropertySupported?"\\p{Ps}\\p{Pi}\"'":"\\(\\[{\"'";return new RegExp(`(?:^|[ ${o}])([${e}])([\\S]${n})$`,"u")}function U_(e){return t=>e.filter(e=>("string"==typeof e?e:String(e.id)).toLowerCase().includes(t.toLowerCase())).slice(0,10)}function G_(e){return e&&1==e.length}function K_(e){return e.model.markers.has("mention")}n(180);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class J_ extends Bu{refresh(){const e=this.editor.model.document.selection.getSelectedElement();this.isEnabled=yu(e),e&&e.hasAttribute("width")?this.value={width:e.getAttribute("width"),height:null}:this.value=null}execute(e){const t=this.editor.model,n=t.document.selection.getSelectedElement();this.value={width:e.width,height:null},n&&t.change(t=>{t.setAttribute("width",e.width,n)})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class Z_ extends cd{static get pluginName(){return"ImageResizeEditing"}constructor(e){super(e),e.config.define("image",{resizeUnit:"%",resizeOptions:[{name:"imageResize:original",value:null,icon:"original"},{name:"imageResize:25",value:"25",icon:"small"},{name:"imageResize:50",value:"50",icon:"medium"},{name:"imageResize:75",value:"75",icon:"large"}]})}init(){const e=this.editor,t=new J_(e);this._registerSchema(),this._registerConverters(),e.commands.add("imageResize",t)}_registerSchema(){this.editor.model.schema.extend("image",{allowAttributes:"width"}),this.editor.model.schema.setAttributeProperties("width",{isFormatting:!0})}_registerConverters(){const e=this.editor;e.conversion.for("downcast").add(e=>e.on("attribute:width:image",(e,t,n)=>{if(!n.consumable.consume(t.item,e.name))return;const o=n.writer,i=n.mapper.toViewElement(t.item);null!==t.attributeNewValue?(o.setStyle("width",t.attributeNewValue,i),o.addClass("image_resized",i)):(o.removeStyle("width",i),o.removeClass("image_resized",i))})),e.conversion.for("upcast").attributeToAttribute({view:{name:"figure",styles:{width:/.+/}},model:{key:"width",value:e=>e.getStyle("width")}})}}var Q_='<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z"/><path d="M10 8H2a2 2 0 0 0-2 2v6a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2v-6a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5v-6a.5.5 0 0 1 .5-.5h8z"/></svg>';
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-const Y_={small:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z"/><path d="M7 10H2a2 2 0 0 0-2 2v4a2 2 0 0 0 2 2h5a2 2 0 0 0 2-2v-4a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v4a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5v-4a.5.5 0 0 1 .5-.5h5z"/></svg>',medium:Q_,large:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z"/><path d="M13 6H2a2 2 0 0 0-2 2v8a2 2 0 0 0 2 2h11a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v8a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5V8a.5.5 0 0 1 .5-.5h11z"/></svg>',original:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z"/><path d="M18.095 2H1.905C.853 2 0 2.895 0 4v12c0 1.105.853 2 1.905 2h16.19C19.147 18 20 17.105 20 16V4c0-1.105-.853-2-1.905-2zm0 1.5c.263 0 .476.224.476.5v12c0 .276-.213.5-.476.5H1.905a.489.489 0 0 1-.476-.5V4c0-.276.213-.5.476-.5h16.19z"/></svg>'};class X_ extends cd{static get requires(){return[Z_]}static get pluginName(){return"ImageResizeButtons"}constructor(e){super(e),this._resizeUnit=e.config.get("image.resizeUnit")}init(){const e=this.editor,t=e.config.get("image.resizeOptions"),n=e.commands.get("imageResize");this.bind("isEnabled").to(n);for(const e of t)this._registerImageResizeButton(e);this._registerImageResizeDropdown(t)}_registerImageResizeButton(e){const t=this.editor,{name:n,value:o,icon:i}=e,r=o?o+this._resizeUnit:null;t.ui.componentFactory.add(n,n=>{const o=new Hc(n),s=t.commands.get("imageResize"),a=this._getOptionLabelValue(e,!0);if(!Y_[i])throw new fn.a("imageresizebuttons-missing-icon",t,e);return o.set({label:a,icon:Y_[i],tooltip:a,isToggleable:!0}),o.bind("isEnabled").to(this),o.bind("isOn").to(s,"value",ev(r)),this.listenTo(o,"execute",()=>{t.execute("imageResize",{width:r})}),o})}_registerImageResizeDropdown(e){const t=this.editor,n=t.t,o=e.find(e=>!e.value);t.ui.componentFactory.add("imageResize",i=>{const r=t.commands.get("imageResize"),s=Qc(i,$c),a=s.buttonView;return a.set({tooltip:n("Resize image"),commandValue:o.value,icon:Q_,isToggleable:!0,label:this._getOptionLabelValue(o),withText:!0,class:"ck-resize-image-button"}),a.bind("label").to(r,"value",e=>e&&e.width?e.width:this._getOptionLabelValue(o)),s.bind("isOn").to(r),s.bind("isEnabled").to(this),Xc(s,this._getResizeDropdownListItemDefinitions(e,r)),s.listView.ariaLabel=n("Image resize list"),this.listenTo(s,"execute",e=>{t.execute(e.source.commandName,{width:e.source.commandValue}),t.editing.view.focus()}),s})}_getOptionLabelValue(e,t){const n=this.editor.t;return e.label?e.label:t?e.value?n("Resize image to %0",e.value+this._resizeUnit):n("Resize image to the original size"):e.value?e.value+this._resizeUnit:n("Original")}_getResizeDropdownListItemDefinitions(e,t){const n=new An;return e.map(e=>{const o=e.value?e.value+this._resizeUnit:null,i={type:"button",model:new Sf({commandName:"imageResize",commandValue:o,label:this._getOptionLabelValue(e),withText:!0,icon:null})};i.model.bind("isOn").to(t,"value",ev(o)),n.add(i)}),n}}function ev(e){return t=>null===e&&t===e||t&&t.width===e}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class tv{constructor(e){this.set("activeHandlePosition",null),this.set("proposedWidthPercents",null),this.set("proposedWidth",null),this.set("proposedHeight",null),this.set("proposedHandleHostWidth",null),this.set("proposedHandleHostHeight",null),this._options=e,this._referenceCoordinates=null}begin(e,t,n){const o=new rs(t);this.activeHandlePosition=function(e){const t=["top-left","top-right","bottom-right","bottom-left"];for(const n of t)if(e.classList.contains("ck-widget__resizer__handle-"+n))return n}(e),this._referenceCoordinates=function(e,t){const n=new rs(e),o=t.split("-"),i={x:"right"==o[1]?n.right:n.left,y:"bottom"==o[0]?n.bottom:n.top};return i.x+=e.ownerDocument.defaultView.scrollX,i.y+=e.ownerDocument.defaultView.scrollY,i}(t,function(e){const t=e.split("-"),n={top:"bottom",bottom:"top",left:"right",right:"left"};return`${n[t[0]]}-${n[t[1]]}`}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */(this.activeHandlePosition)),this.originalWidth=o.width,this.originalHeight=o.height,this.aspectRatio=o.width/o.height;const i=n.style.width;i&&i.match(/^\d+\.?\d*%$/)?this.originalWidthPercents=parseFloat(i):this.originalWidthPercents=function(e,t){const n=e.parentElement,o=parseFloat(n.ownerDocument.defaultView.getComputedStyle(n).width);return t.width/o*100}(n,o)}update(e){this.proposedWidth=e.width,this.proposedHeight=e.height,this.proposedWidthPercents=e.widthPercents,this.proposedHandleHostWidth=e.handleHostWidth,this.proposedHandleHostHeight=e.handleHostHeight}}Cn(tv,$o);class nv{constructor(e){this._options=e,this._domResizerWrapper=null,this._viewResizerWrapper=null,this.set("isEnabled",!0),this.decorate("begin"),this.decorate("cancel"),this.decorate("commit"),this.decorate("updateSize"),this.on("commit",e=>{this.state.proposedWidth||this.state.proposedWidthPercents||(this._cleanup(),e.stop())},{priority:"high"}),this.on("change:isEnabled",()=>{this.isEnabled&&this.redraw()})}attach(){const e=this,t=this._options.viewElement;this._options.editor.editing.view.change(n=>{const o=n.createUIElement("div",{class:"ck ck-reset_all ck-widget__resizer"},(function(t){const n=this.toDomElement(t);return e._appendHandles(n),e._appendSizeUI(n),e._domResizerWrapper=n,e.on("change:isEnabled",(e,t,o)=>{n.style.display=o?"":"none"}),n.style.display=e.isEnabled?"":"none",n}));n.insert(n.createPositionAt(t,"end"),o),n.addClass("ck-widget_with-resizer",t),this._viewResizerWrapper=o})}begin(e){this.state=new tv(this._options),this._sizeUI.bindToState(this._options,this.state),this._initialViewWidth=this._options.viewElement.getStyle("width"),this.state.begin(e,this._getHandleHost(),this._getResizeHost())}updateSize(e){const t=this._proposeNewSize(e);this._options.editor.editing.view.change(e=>{const n=this._options.unit||"%",o=("%"===n?t.widthPercents:t.width)+n;e.setStyle("width",o,this._options.viewElement)});const n=this._getHandleHost(),o=new rs(n);t.handleHostWidth=Math.round(o.width),t.handleHostHeight=Math.round(o.height);const i=new rs(n);t.width=Math.round(i.width),t.height=Math.round(i.height),this.redraw(o),this.state.update(t)}commit(){const e=this._options.unit||"%",t=("%"===e?this.state.proposedWidthPercents:this.state.proposedWidth)+e;this._options.editor.editing.view.change(()=>{this._cleanup(),this._options.onCommit(t)})}cancel(){this._cleanup()}destroy(){this.cancel()}redraw(e){const t=this._domResizerWrapper;if(!((n=t)&&n.ownerDocument&&n.ownerDocument.contains(n)))return;var n;const o=t.parentElement,i=this._getHandleHost(),r=this._viewResizerWrapper,s=[r.getStyle("width"),r.getStyle("height"),r.getStyle("left"),r.getStyle("top")];let a;if(o.isSameNode(i)){const t=e||new rs(i);a=[t.width+"px",t.height+"px",void 0,void 0]}else a=[i.offsetWidth+"px",i.offsetHeight+"px",i.offsetLeft+"px",i.offsetTop+"px"];"same"!==Mn(s,a)&&this._options.editor.editing.view.change(e=>{e.setStyle({width:a[0],height:a[1],left:a[2],top:a[3]},r)})}containsHandle(e){return this._domResizerWrapper.contains(e)}static isResizeHandle(e){return e.classList.contains("ck-widget__resizer__handle")}_cleanup(){this._sizeUI.dismiss(),this._sizeUI.isVisible=!1;this._options.editor.editing.view.change(e=>{e.setStyle("width",this._initialViewWidth,this._options.viewElement)})}_proposeNewSize(e){const t=this.state,n={x:(o=e).pageX,y:o.pageY};var o;const i=!this._options.isCentered||this._options.isCentered(this),r={x:t._referenceCoordinates.x-(n.x+t.originalWidth),y:n.y-t.originalHeight-t._referenceCoordinates.y};i&&t.activeHandlePosition.endsWith("-right")&&(r.x=n.x-(t._referenceCoordinates.x+t.originalWidth)),i&&(r.x*=2);const s={width:Math.abs(t.originalWidth+r.x),height:Math.abs(t.originalHeight+r.y)};s.dominant=s.width/t.aspectRatio>s.height?"width":"height",s.max=s[s.dominant];const a={width:s.width,height:s.height};return"width"==s.dominant?a.height=a.width/t.aspectRatio:a.width=a.height*t.aspectRatio,{width:Math.round(a.width),height:Math.round(a.height),widthPercents:Math.min(Math.round(t.originalWidthPercents/t.originalWidth*a.width*100)/100,100)}}_getResizeHost(){const e=this._domResizerWrapper.parentElement;return this._options.getResizeHost(e)}_getHandleHost(){const e=this._domResizerWrapper.parentElement;return this._options.getHandleHost(e)}_appendHandles(e){const t=["top-left","top-right","bottom-right","bottom-left"];for(const o of t)e.appendChild(new oc({tag:"div",attributes:{class:"ck-widget__resizer__handle "+(n=o,"ck-widget__resizer__handle-"+n)}}).render());var n}_appendSizeUI(e){const t=new ov;t.render(),this._sizeUI=t,e.appendChild(t.element)}}Cn(nv,$o);class ov extends yc{constructor(){super();const e=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-size-view",e.to("activeHandlePosition",e=>e?"ck-orientation-"+e:"")],style:{display:e.if("isVisible","none",e=>!e)}},children:[{text:e.to("label")}]})}bindToState(e,t){this.bind("isVisible").to(t,"proposedWidth",t,"proposedHeight",(e,t)=>null!==e&&null!==t),this.bind("label").to(t,"proposedHandleHostWidth",t,"proposedHandleHostHeight",t,"proposedWidthPercents",(t,n,o)=>"px"===e.unit?`${t}×${n}`:o+"%"),this.bind("activeHandlePosition").to(t)}dismiss(){this.unbind(),this.isVisible=!1}}n(182);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */class iv extends cd{static get pluginName(){return"WidgetResize"}init(){this.set("visibleResizer",null),this.set("_activeResizer",null),this._resizers=new Map;const e=sr.window.document;this.editor.model.schema.setAttributeProperties("width",{isFormatting:!0}),this.editor.editing.view.addObserver(Ld),this._observer=Object.create(mr),this.listenTo(this.editor.editing.view.document,"mousedown",this._mouseDownListener.bind(this),{priority:"high"}),this._observer.listenTo(e,"mousemove",this._mouseMoveListener.bind(this)),this._observer.listenTo(e,"mouseup",this._mouseUpListener.bind(this));const t=()=>{this.visibleResizer&&this.visibleResizer.redraw()},n=sd(t,200);this.on("change:visibleResizer",t),this.editor.ui.on("update",n),this._observer.listenTo(sr.window,"resize",n);const o=this.editor.editing.view.document.selection;o.on("change",()=>{const e=o.getSelectedElement();this.visibleResizer=this.getResizerByViewElement(e)||null})}destroy(){this._observer.stopListening();for(const e of this._resizers.values())e.destroy()}attachTo(e){const t=new nv(e),n=this.editor.plugins;if(t.attach(),n.has("WidgetToolbarRepository")){const e=n.get("WidgetToolbarRepository");t.on("begin",()=>{e.forceDisabled("resize")},{priority:"lowest"}),t.on("cancel",()=>{e.clearForceDisabled("resize")},{priority:"highest"}),t.on("commit",()=>{e.clearForceDisabled("resize")},{priority:"highest"})}this._resizers.set(e.viewElement,t);const o=this.editor.editing.view.document.selection.getSelectedElement();return this.getResizerByViewElement(o)==t&&(this.visibleResizer=t),t}getResizerByViewElement(e){return this._resizers.get(e)}_getResizerByHandle(e){for(const t of this._resizers.values())if(t.containsHandle(e))return t}_mouseDownListener(e,t){const n=t.domTarget;nv.isResizeHandle(n)&&(this._activeResizer=this._getResizerByHandle(n),this._activeResizer&&(this._activeResizer.begin(n),e.stop(),t.preventDefault()))}_mouseMoveListener(e,t){this._activeResizer&&this._activeResizer.updateSize(t)}_mouseUpListener(){this._activeResizer&&(this._activeResizer.commit(),this._activeResizer=null)}}Cn(iv,$o);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
-class rv extends cd{static get requires(){return[iv]}static get pluginName(){return"ImageResizeHandles"}init(){const e=this.editor.commands.get("imageResize");this.bind("isEnabled").to(e),this._setupResizerCreator()}_setupResizerCreator(){const e=this.editor,t=e.editing.view;t.addObserver(If),this.listenTo(t.document,"imageLoaded",(n,o)=>{if(!o.target.matches("figure.image.ck-widget > img, figure.image.ck-widget > a > img"))return;const i=e.editing.view.domConverter.domToView(o.target).findAncestor("figure");let r=this.editor.plugins.get(iv).getResizerByViewElement(i);if(r)return void r.redraw();const s=e.editing.mapper.toModelElement(i);r=e.plugins.get(iv).attachTo({unit:e.config.get("image.resizeUnit"),modelElement:s,viewElement:i,editor:e,getHandleHost:e=>e.querySelector("img"),getResizeHost:e=>e,isCentered(){const e=s.getAttribute("imageStyle");return!e||"full"==e||"alignCenter"==e},onCommit(t){e.execute("imageResize",{width:t})}}),r.on("updateSize",()=>{i.hasClass("image_resized")||t.change(e=>{e.addClass("image_resized",i)})}),r.bind("isEnabled").to(this)})}}n(184);
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */const sv=[Od,class extends cd{static get requires(){return[Bd,Jd,iu]}static get pluginName(){return"OPMacroEmbeddedTable"}static get buttonName(){return Bd.buttonName}},class extends cd{static get requires(){return[au,Jd,lu]}static get pluginName(){return"OPMacroWpButton"}static get buttonName(){return au.buttonName}},class extends cd{static get requires(){return[Ku,Jd,Ju]}static get pluginName(){return"OPChildPages"}static get buttonName(){return Ku.buttonName}}],av=[class extends cd{static get requires(){return[hu,$u]}static get pluginName(){return"OpUploadPlugin"}init(){this.editor.plugins.get("FileRepository").createUploadAdapter=e=>{const t=Nd(this.editor);return new pu(e,t,this.editor)}}},class extends cd{static get pluginName(){return"OPAttachmentListener"}init(){this.editor.model.on("op:attachment-removed",(e,t)=>{this.removeDeletedImage(t)})}removeDeletedImage(e){let t=this.editor.model.document.getRoot();for(const n of Array.from(t.getChildren()))if("image"===n.name&&e.indexOf(n.getAttribute("src"))>-1){const e=new Fs(n,"on");this.editor.model.deleteContent(e)}}}],lv=[class extends cd{static get requires(){return[zu,eh,dh,ih,yh,Hh]}static get pluginName(){return"Essentials"}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */,class extends cd{static get requires(){return[hu]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const e=this.editor.config.get("ckfinder.uploadUrl");e&&(this.editor.plugins.get(hu).createUploadAdapter=t=>new $h(t,e,this.editor.t))}},class extends cd{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats(),this._addCodeBlockAutoformats(),this._addHorizontalLineAutoformats()}_addListAutoformats(){const e=this.editor.commands;e.get("bulletedList")&&Gh(this.editor,this,/^[*-]\s$/,"bulletedList"),e.get("numberedList")&&Gh(this.editor,this,/^1[.|)]\s$/,"numberedList"),e.get("todoList")&&Gh(this.editor,this,/^\[\s?\]\s$/,"todoList")}_addBasicStylesAutoformats(){const e=this.editor.commands;if(e.get("bold")){const e=Zh(this.editor,"bold");Kh(this.editor,this,/(?:^|\s)(\*\*)([^*]+)(\*\*)$/g,e),Kh(this.editor,this,/(?:^|\s)(__)([^_]+)(__)$/g,e)}if(e.get("italic")){const e=Zh(this.editor,"italic");Kh(this.editor,this,/(?:^|\s)(\*)([^*_]+)(\*)$/g,e),Kh(this.editor,this,/(?:^|\s)(_)([^_]+)(_)$/g,e)}if(e.get("code")){const e=Zh(this.editor,"code");Kh(this.editor,this,/(`)([^`]+)(`)$/g,e)}if(e.get("strikethrough")){const e=Zh(this.editor,"strikethrough");Kh(this.editor,this,/(~~)([^~]+)(~~)$/g,e)}}_addHeadingAutoformats(){const e=this.editor.commands.get("heading");e&&e.modelElements.filter(e=>e.match(/^heading[1-6]$/)).forEach(t=>{const n=t[7],o=new RegExp(`^(#{${n}})\\s$`);Gh(this.editor,this,o,()=>{if(!e.isEnabled||e.value===t)return!1;this.editor.execute("heading",{value:t})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&Gh(this.editor,this,/^>\s$/,"blockQuote")}_addCodeBlockAutoformats(){this.editor.commands.get("codeBlock")&&Gh(this.editor,this,/^```$/,"codeBlock")}_addHorizontalLineAutoformats(){this.editor.commands.get("horizontalLine")&&Gh(this.editor,this,/^---$/,"horizontalLine")}},class extends cd{static get requires(){return[Yh,Xh]}static get pluginName(){return"Bold"}},class extends cd{static get requires(){return[df,uf]}static get pluginName(){return"Code"}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */,class extends cd{static get requires(){return[pf,mf]}static get pluginName(){return"Italic"}},class extends cd{static get requires(){return[hf,ff]}static get pluginName(){return"Strikethrough"}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */,class extends cd{static get requires(){return[_f,vf]}static get pluginName(){return"BlockQuote"}},class extends cd{static get requires(){return[Pf,Rf]}static get pluginName(){return"Heading"}},class extends cd{static get requires(){return[Vf,Jd,Zf]}static get pluginName(){return"Image"}},class extends cd{static get requires(){return[Xf]}static get pluginName(){return"ImageCaption"}},class extends cd{static get requires(){return[pp,mp]}static get pluginName(){return"ImageStyle"}},class extends cd{static get requires(){return[Z_,rv,X_]}static get pluginName(){return"ImageResize"}},class extends cd{static get requires(){return[gp]}static get pluginName(){return"ImageToolbar"}afterInit(){const e=this.editor,t=e.t;e.plugins.get(gp).register("image",{ariaLabel:t("Image toolbar"),items:e.config.get("image.toolbar")||[],getRelatedElement:vu})}},class extends cd{static get pluginName(){return"OpImageAttachmentLookup"}init(){const e=this.editor,t=e.conversion,n=Nd(e);t.for("editingDowncast").add(function(e){return e=>{e.on("attribute:src:image",t,{priority:"highest"})};function t(t,n,o){let i=n.attributeNewValue;if(!i||!e.lookupDownloadLocationByName)return;const r=e.lookupDownloadLocationByName(i);n.attributeNewValue=r||i}}(n)),t.for("dataDowncast").add(function(e){return e=>{e.on("attribute:src:image",t,{priority:"highest"})};function t(t,n,o){let i=n.attributeNewValue;if(!i||!e.lookupDownloadLocationByName)return;const r=e.lookupDownloadLocationByName(i);n.attributeNewValue=r||i;const s=o.writer,a=o.mapper.toViewElement(n.item).getChild(0);r&&s.setAttribute("data-original-src",i,a)}}(n))}}
-/**
- * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */,class extends cd{static get requires(){return[Jp,tm,sm]}static get pluginName(){return"Link"}},class extends cd{static get requires(){return[Mm,Nm]}static get pluginName(){return"List"}},class extends cd{static get requires(){return[Hk,Wk]}static get pluginName(){return"TodoList"}},Af,yh,class extends cd{toMentionAttribute(e,t){return V_(e,t)}static get pluginName(){return"Mention"}static get requires(){return[O_,H_]}},function(e){const t=Dd(e),n=e.editing.view,o=n.document;n.addObserver(Yp),e.listenTo(o,"click",(e,t)=>{if("A"===t.domTarget.nodeName&&t.domTarget.classList.contains("mention")){const e=document.createElement("a");e.target="_blank",e.href=t.domTarget.attributes.href.value,e.click()}}),e.conversion.for("upcast").elementToAttribute({view:{name:"mention",key:"data-mention",classes:"mention"},model:{key:"mention",value:n=>{const o=n.getAttribute("data-id"),i=n.getAttribute("data-type"),r=n.getAttribute("data-text"),s=function(e,n){const o=t.services.apiV3Service[n+"s"].segment;return`${window.OpenProject.urlRoot}/${o}/${e}`}(o,i);return e.plugins.get("Mention").toMentionAttribute(n,{idNumber:o,link:s,text:r,type:i})}},converterPriority:"high"}),e.conversion.for("upcast").elementToAttribute({view:{name:"span",key:"data-mention",classes:"mention"},model:{key:"mention",value:e=>{const t=[...e.getChildren()][0],n=t&&t.data;if(n){const e=`[Invalid mention: ${n}]`;t._data=e}}},converterPriority:"high"}),e.conversion.for("editingDowncast").attributeToElement({model:"mention",converterPriority:"high",view:(e,{writer:t})=>{if(!e)return;return t.createAttributeElement("a",{class:"mention",href:e.link,"data-mention":e.text,title:e.text})}}),e.conversion.for("dataDowncast").attributeToElement({model:"mention",converterPriority:"high",view:(e,{writer:t})=>{if(!e)return;return t.createAttributeElement("mention",{class:"mention","data-id":e.idNumber,"data-type":e.type,"data-text":e.text})}})},class extends cd{static get pluginName(){return"PasteFromOffice"}static get requires(){return[zu]}init(){const e=this.editor,t=e.editing.view.document,n=[];n.push(new zk(t)),n.push(new Ik(t)),e.plugins.get("Clipboard").on("inputTransformation",(e,t)=>{if(t.isTransformedWithPasteFromOffice)return;const o=t.dataTransfer.getData("text/html"),i=n.find(e=>e.isActive(o));i&&(i.execute(t),t.isTransformedWithPasteFromOffice=!0)},{priority:"high"})}}
-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */,class extends cd{static get pluginName(){return"OPHelpLinkPlugin"}init(){const e=this.editor,t=(e.model,e.config.get("openProject.helpURL"));e.ui.componentFactory.add("openProjectShowFormattingHelp",e=>{const n=new Hc(e);return n.set({label:window.I18n.t("js.inplace.link_formatting_help"),icon:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M415.462 96.978c-88.1-88.1-230.824-88.1-318.924 0-87.22 87.22-87.22 229.943 0 318.044 88.1 88.1 230.824 88.1 318.924 0 87.22-88.1 87.22-230.824 0-318.044zM246.31 437.047c-24.668 0-44.05-20.263-44.05-44.05 0-24.669 19.382-44.05 44.05-44.05 24.668 0 44.05 19.381 44.05 44.05 0 23.787-20.263 44.05-44.05 44.05zm30.835-154.176v23.787c0 12.334-4.405 16.74-15.858 16.74h-32.597c-11.453 0-15.858-4.406-15.858-16.74v-53.742c0-14.096 14.096-18.5 26.43-22.025 2.643-.88 6.167-1.762 8.81-2.643 16.74-6.167 26.43-13.215 26.43-30.835 0-6.167 0-23.787-29.073-23.787-17.62 0-33.478 7.048-43.17 10.572-5.285 2.643-7.929 3.524-11.453 3.524-5.286 0-10.572-4.405-11.453-9.691L167.9 148.958c-.88-2.643-.88-5.286-.88-7.048 0-21.145 66.075-33.479 88.1-33.479 55.503 0 93.387 36.122 93.387 88.982 0 58.146-44.05 75.767-71.362 85.458z"/></svg>',tooltip:!0}),n.on("execute",()=>{window.open(t,"_blank")}),n})}},class extends cd{static get pluginName(){return"CodeBlock"}static get requires(){return[Hm,Wm]}},class extends cd{static get pluginName(){return"OPPreview"}init(){const e=this.editor;let t=!1,n=null;e.ui.componentFactory.add("preview",o=>{const i=new Hc(o);i.set({label:this.label,icon:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" width="20"><path d="M124 334v14c84 139 279 139 362 0v-14c-83-139-278-139-362 0zm181 91c-46 0-83-38-83-84s37-83 83-83c47 0 84 37 84 83s-37 84-84 84zm42-84c0 23-19 42-42 42s-41-19-41-42 18-42 41-42 42 19 42 42zm83-254L312-32H37v512h127v-46H83V14h210l91 92v91h46V87z"/></svg>\n',tooltip:!0});let r=function(t){let o,r=jQuery(e.ui.getEditableElement()).parent();o=r.length?r:$editable;let s=jQuery('<div class="ck-editor__preview op-uc-container"></div>');o.siblings(".ck-editor__preview").remove();const a=zd(e,"ckEditorPreview");n=a.render(s[0],t),o.hide(),o.after(s),Um(e,i)},s=function(){let t=function(e){return _.get(e.config,"_config.openProject.context.previewContext")}(e),n=Fd(e).api.v3.previewMarkup(t);jQuery.ajax({data:e.getData(),url:n,response_type:"text",contentType:"text/plain; charset=UTF-8",method:"POST"}).done(r)};return i.on("execute",()=>{t?(t=!1,function(){let t=jQuery(e.ui.getEditableElement()).parent();n(),t.siblings(".ck-editor__preview").remove(),t.show(),Gm(e)}()):(t=!0,s())}),i})}get label(){return window.I18n.t("js.editor.preview")}},class extends cd{static get pluginName(){return"OPSourceCode"}init(){const e=this.editor;let t=!1,n={source:window.I18n.t("js.editor.mode.manual"),wysiwyg:window.I18n.t("js.editor.mode.wysiwyg")};e.ui.componentFactory.add("opShowSource",o=>{const i=new Hc(o);i.set({label:n.source,class:"",icon:R_,tooltip:!0});return i.on("execute",()=>{t?(t=!1,function(){let t=jQuery(e.ui.getEditableElement()).parent();e.fire("op:source-code-disabled"),t.siblings(".ck-editor__source").remove(),t.show(),Gm(e),i.set({label:n.source,class:"",icon:R_,tooltip:!0})}()):(t=!0,function(t){let o,r=jQuery(e.ui.getEditableElement()).parent();o=r.length?r:$editable;let s=jQuery('<div class="ck-editor__source"></div>');o.siblings(".ck-editor__source").remove(),o.hide(),o.after(s),Um(e,i),e.fire("op:source-code-enabled"),i.set({label:n.wysiwyg,class:"-source-enabled",icon:'<?xml version="1.0" encoding="UTF-8" standalone="no"?>\n<svg\n   xmlns:dc="http://purl.org/dc/elements/1.1/"\n   xmlns:cc="http://creativecommons.org/ns#"\n   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"\n   xmlns:svg="http://www.w3.org/2000/svg"\n   xmlns="http://www.w3.org/2000/svg"\n   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"\n   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"\n   viewBox="0 0 512 512"\n   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-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
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-/**
- * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-color-upload-placeholder-loader: hsl(0, 0%, 70%);\n\t--ck-upload-placeholder-loader-size: 32px;\n\t--ck-upload-placeholder-image-aspect-ratio: 2.8;\n}\n\n.ck .ck-image-upload-placeholder {\n\t/* We need to control the full width of the SVG gray background. */\n\twidth: 100%;\n\tmargin: 0;\n\n\t&.image-inline {\n\t\twidth: calc( 2 * var(--ck-upload-placeholder-loader-size) * var(--ck-upload-placeholder-image-aspect-ratio) );\n\t}\n\n\t& img {\n\t\t/*\n\t\t * This is an arbitrary aspect for a 1x1 px GIF to display to the user. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-editor__editable {\n\t& .image,\n\t& .image-inline {\n\t\tposition: relative;\n\t}\n\n\t/* Upload progress bar. */\n\t& .image .ck-progress-bar,\n\t& .image-inline .ck-progress-bar {\n\t\tposition: absolute;\n\t\ttop: 0;\n\t\tleft: 0;\n\t}\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-editor__editable {\n\t& .image,\n\t& .image-inline {\n\t\t/* Showing animation. */\n\t\t&.ck-appear {\n\t\t\tanimation: fadeIn 700ms;\n\t\t}\n\t}\n\n\t/* Upload progress bar. */\n\t& .image .ck-progress-bar,\n\t& .image-inline .ck-progress-bar {\n\t\theight: 2px;\n\t\twidth: 0;\n\t\tbackground: var(--ck-color-upload-bar-background);\n\t\ttransition: width 100ms;\n\t}\n}\n\n@keyframes fadeIn {\n\tfrom { opacity: 0; }\n\tto   { opacity: 1; }\n}\n"],sourceRoot:""}]);const a=s},6831:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-text-alternative-form{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-text-alternative-form .ck-labeled-field-view{display:inline-block}.ck.ck-text-alternative-form .ck-label{display:none}@media screen and (max-width:600px){.ck.ck-text-alternative-form{flex-wrap:wrap}.ck.ck-text-alternative-form .ck-labeled-field-view{flex-basis:100%}.ck.ck-text-alternative-form .ck-button{flex-basis:50%}}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-image/theme/textalternativeform.css","webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css"],names:[],mappings:"AAOA,6BACC,YAAa,CACb,kBAAmB,CACnB,gBAqBD,CAnBC,oDACC,oBACD,CAEA,uCACC,YACD,CCZA,oCDCD,6BAcE,cAUF,CARE,oDACC,eACD,CAEA,wCACC,cACD,CCrBD",sourcesContent:['/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-mention-list-max-height: 300px;\n}\n\n.ck.ck-mentions {\n\tmax-height: var(--ck-mention-list-max-height);\n\n\toverflow-y: auto;\n\n\t/* Prevent unnecessary horizontal scrollbar in Safari\n\thttps://github.com/ckeditor/ckeditor5-mention/issues/41 */\n\toverflow-x: hidden;\n\n\toverscroll-behavior: contain;\n\n\t/* Prevent unnecessary vertical scrollbar in Safari\n\thttps://github.com/ckeditor/ckeditor5-mention/issues/41 */\n\t& > .ck-list__item {\n\t\toverflow: hidden;\n\t\tflex-shrink: 0;\n\t}\n}\n"],sourceRoot:""}]);const a=s},4082:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-input-color{width:100%;display:flex;flex-direction:row-reverse}.ck.ck-input-color>input.ck.ck-input-text{min-width:auto;flex-grow:1}.ck.ck-input-color>div.ck.ck-dropdown{min-width:auto}.ck.ck-input-color>div.ck.ck-dropdown>.ck-input-color__button .ck-dropdown__arrow{display:none}.ck.ck-input-color .ck.ck-input-color__button{display:flex}.ck.ck-input-color .ck.ck-input-color__button .ck.ck-input-color__button__preview{position:relative;overflow:hidden}.ck.ck-input-color .ck.ck-input-color__button .ck.ck-input-color__button__preview>.ck.ck-input-color__button__preview__no-color-indicator{position:absolute;display:block}[dir=ltr] .ck.ck-input-color>.ck.ck-input-text{border-top-right-radius:0;border-bottom-right-radius:0}[dir=rtl] .ck.ck-input-color>.ck.ck-input-text{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{padding:0}[dir=ltr] .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{border-left-width:0;border-top-left-radius:0;border-bottom-left-radius:0}[dir=rtl] .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{border-right-width:0;border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button.ck-disabled{background:var(--ck-color-input-disabled-background)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview{border-radius:0}.ck-rounded-corners .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview,.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview{width:20px;height:20px;border:1px solid var(--ck-color-input-border)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview>.ck.ck-input-color__button__preview__no-color-indicator{top:-30%;left:50%;height:150%;width:8%;background:red;border-radius:2px;transform:rotate(45deg);transform-origin:50%}.ck.ck-input-color .ck.ck-input-color__remove-color{width:100%;border-bottom:1px solid var(--ck-color-input-border);padding:calc(var(--ck-spacing-standard)/2) var(--ck-spacing-standard);border-bottom-left-radius:0;border-bottom-right-radius:0}[dir=ltr] .ck.ck-input-color .ck.ck-input-color__remove-color{border-top-right-radius:0}[dir=rtl] .ck.ck-input-color .ck.ck-input-color__remove-color{border-top-left-radius:0}.ck.ck-input-color .ck.ck-input-color__remove-color .ck.ck-icon{margin-right:var(--ck-spacing-standard)}[dir=rtl] .ck.ck-input-color .ck.ck-input-color__remove-color .ck.ck-icon{margin-right:0;margin-left:var(--ck-spacing-standard)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-table/theme/colorinput.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/colorinput.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css"],names:[],mappings:"AAKA,mBACC,UAAW,CACX,YAAa,CACb,0BA8BD,CA5BC,0CACC,cAAe,CACf,WACD,CAEA,sCACC,cAMD,CAHC,kFACC,YACD,CAGD,8CAEC,YAWD,CATC,kFACC,iBAAkB,CAClB,eAMD,CAJC,0IACC,iBAAkB,CAClB,aACD,CC1BF,+CAEE,yBAA0B,CAC1B,4BAOF,CAVA,+CAOE,wBAAyB,CACzB,2BAEF,CAGC,wEACC,SAoCD,CArCA,kFAIE,mBAAoB,CACpB,wBAAyB,CACzB,2BA+BF,CArCA,kFAUE,oBAAqB,CACrB,yBAA0B,CAC1B,4BAyBF,CAtBC,oFACC,oDACD,CAEA,4GC9BF,eD+CE,CAjBA,+PC1BD,qCD2CC,CAjBA,4GAGC,UAAW,CACX,WAAY,CACZ,6CAYD,CAVC,oKACC,QAAS,CACT,QAAS,CACT,WAAY,CACZ,QAAS,CACT,cAA6B,CAC7B,iBAAkB,CAClB,uBAAwB,CACxB,oBACD,CAKH,oDACC,UAAW,CACX,oDAAqD,CACrD,qEAAwE,CAExE,2BAA4B,CAC5B,4BAkBD,CAxBA,8DASE,yBAeF,CAxBA,8DAaE,wBAWF,CARC,gEACC,uCAMD,CAPA,0EAIE,cAAe,CACf,sCAEF",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-input-color {\n\twidth: 100%;\n\tdisplay: flex;\n\tflex-direction: row-reverse;\n\n\t& > input.ck.ck-input-text {\n\t\tmin-width: auto;\n\t\tflex-grow: 1;\n\t}\n\n\t& > div.ck.ck-dropdown {\n\t\tmin-width: auto;\n\n\t\t/* This dropdown has no arrow but a color preview instead. */\n\t\t& > .ck-input-color__button .ck-dropdown__arrow {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n\n\t& .ck.ck-input-color__button {\n\t\t/* Resolving issue with misaligned buttons on Safari (see #10589) */\n\t\tdisplay: flex;\n\n\t\t& .ck.ck-input-color__button__preview {\n\t\t\tposition: relative;\n\t\t\toverflow: hidden;\n\n\t\t\t& > .ck.ck-input-color__button__preview__no-color-indicator {\n\t\t\t\tposition: absolute;\n\t\t\t\tdisplay: block;\n\t\t\t}\n\t\t}\n\t}\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n@import "../mixins/_rounded.css";\n\n.ck.ck-input-color {\n\t& > .ck.ck-input-text {\n\t\t@mixin ck-dir ltr {\n\t\t\tborder-top-right-radius: 0;\n\t\t\tborder-bottom-right-radius: 0;\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\tborder-top-left-radius: 0;\n\t\t\tborder-bottom-left-radius: 0;\n\t\t}\n\t}\n\n\t& > .ck.ck-dropdown {\n\t\t& > .ck.ck-button.ck-input-color__button {\n\t\t\tpadding: 0;\n\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\tborder-left-width: 0;\n\t\t\t\tborder-top-left-radius: 0;\n\t\t\t\tborder-bottom-left-radius: 0;\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tborder-right-width: 0;\n\t\t\t\tborder-top-right-radius: 0;\n\t\t\t\tborder-bottom-right-radius: 0;\n\t\t\t}\n\n\t\t\t&.ck-disabled {\n\t\t\t\tbackground: var(--ck-color-input-disabled-background);\n\t\t\t}\n\n\t\t\t& > .ck.ck-input-color__button__preview {\n\t\t\t\t@mixin ck-rounded-corners;\n\n\t\t\t\twidth: 20px;\n\t\t\t\theight: 20px;\n\t\t\t\tborder: 1px solid var(--ck-color-input-border);\n\n\t\t\t\t& > .ck.ck-input-color__button__preview__no-color-indicator {\n\t\t\t\t\ttop: -30%;\n\t\t\t\t\tleft: 50%;\n\t\t\t\t\theight: 150%;\n\t\t\t\t\twidth: 8%;\n\t\t\t\t\tbackground: hsl(0, 100%, 50%);\n\t\t\t\t\tborder-radius: 2px;\n\t\t\t\t\ttransform: rotate(45deg);\n\t\t\t\t\ttransform-origin: 50%;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t& .ck.ck-input-color__remove-color {\n\t\twidth: 100%;\n\t\tborder-bottom: 1px solid var(--ck-color-input-border);\n\t\tpadding: calc(var(--ck-spacing-standard) / 2) var(--ck-spacing-standard);\n\n\t\tborder-bottom-left-radius: 0;\n\t\tborder-bottom-right-radius: 0;\n\n\t\t@mixin ck-dir ltr {\n\t\t\tborder-top-right-radius: 0;\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\tborder-top-left-radius: 0;\n\t\t}\n\n\t\t& .ck.ck-icon {\n\t\t\tmargin-right: var(--ck-spacing-standard);\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tmargin-right: 0;\n\t\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t\t}\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);const a=s},4880:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-form{padding:0 0 var(--ck-spacing-large)}.ck.ck-form:focus{outline:none}.ck.ck-form .ck.ck-input-text{min-width:100%;width:0}.ck.ck-form .ck.ck-dropdown{min-width:100%}.ck.ck-form .ck.ck-dropdown .ck-dropdown__button:not(:focus){border:1px solid var(--ck-color-base-border)}.ck.ck-form .ck.ck-dropdown .ck-dropdown__button .ck-button__label{width:100%}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/form.css"],names:[],mappings:"AAKA,YACC,mCAyBD,CAvBC,kBAEC,YACD,CAEA,8BACC,cAAe,CACf,OACD,CAEA,4BACC,cAWD,CARE,6DACC,4CACD,CAEA,mEACC,UACD",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-insert-table-dropdown-padding: 10px;\n\t--ck-insert-table-dropdown-box-height: 11px;\n\t--ck-insert-table-dropdown-box-width: 12px;\n\t--ck-insert-table-dropdown-box-margin: 1px;\n}\n\n.ck .ck-insert-table-dropdown__grid {\n\t/* The width of a container should match 10 items in a row so there will be a 10x10 grid. */\n\twidth: calc(var(--ck-insert-table-dropdown-box-width) * 10 + var(--ck-insert-table-dropdown-box-margin) * 20 + var(--ck-insert-table-dropdown-padding) * 2);\n\tpadding: var(--ck-insert-table-dropdown-padding) var(--ck-insert-table-dropdown-padding) 0;\n}\n\n.ck .ck-insert-table-dropdown__label {\n\ttext-align: center;\n}\n\n.ck .ck-insert-table-dropdown-grid-box {\n\twidth: var(--ck-insert-table-dropdown-box-width);\n\theight: var(--ck-insert-table-dropdown-box-height);\n\tmargin: var(--ck-insert-table-dropdown-box-margin);\n\tborder: 1px solid var(--ck-color-base-border);\n\tborder-radius: 1px;\n\n\t&.ck-on {\n\t\tborder-color: var(--ck-color-focus-border);\n\t\tbackground: var(--ck-color-focus-outer-shadow);\n\t}\n}\n\n"],sourceRoot:""}]);const a=s},4104:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck-content .table{margin:.9em auto;display:table}.ck-content .table table{border-collapse:collapse;border-spacing:0;width:100%;height:100%;border:1px double #b3b3b3}.ck-content .table table td,.ck-content .table table th{min-width:2em;padding:.4em;border:1px solid #bfbfbf}.ck-content .table table th{font-weight:700;background:hsla(0,0%,0%,5%)}.ck-content[dir=rtl] .table th{text-align:right}.ck-content[dir=ltr] .table th{text-align:left}.ck-editor__editable .ck-table-bogus-paragraph{display:inline-block;width:100%}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-table/theme/table.css"],names:[],mappings:"AAKA,mBAIC,gBAAkB,CAClB,aAgCD,CA9BC,yBAEC,wBAAyB,CACzB,gBAAiB,CAIjB,UAAW,CACX,WAAY,CAIZ,yBAiBD,CAfC,wDAEC,aAAc,CACd,YAAa,CAKb,wBACD,CAEA,4BACC,eAAiB,CACjB,2BACD,CAMF,+BACC,gBACD,CAEA,+BACC,eACD,CAEA,+CAKC,oBAAqB,CAMrB,UACD",sourcesContent:['/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck-content .table {\n\t/* Give the table widget some air and center it horizontally */\n\t/* The first value should be equal to --ck-spacing-large variable if used in the editor context\n\tto avoid the content jumping (See https://github.com/ckeditor/ckeditor5/issues/9825). */\n\tmargin: 0.9em auto;\n\tdisplay: table;\n\n\t& table {\n\t\t/* The table cells should have slight borders */\n\t\tborder-collapse: collapse;\n\t\tborder-spacing: 0;\n\n\t\t/* Table width and height are set on the parent <figure>. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Makes element unselectable.\n */\n@define-mixin ck-unselectable {\n\t-moz-user-select: none;\n\t-webkit-user-select: none;\n\t-ms-user-select: none;\n\tuser-select: none\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Enables the tooltip, which is the tooltip is in DOM but\n * not yet displayed.\n */\n@define-mixin ck-tooltip_enabled {\n\t& .ck-tooltip {\n\t\tdisplay: block;\n\n\t\t/*\n\t\t * Don't display tooltips in devices which don't support :hover.\n\t\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\n\t\t * the primary action, when tooltips are enabled.\n\t\t *\n\t\t * Q: OK, but why not the following query?\n\t\t *\n\t\t *   @media (hover) {\n\t\t *       display: block;\n\t\t *   }\n\t\t *\n\t\t * A: Because FF does not support it and it would completely disable tooltips\n\t\t * in that browser.\n\t\t *\n\t\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\n\t\t */\n\t\t@media (hover:none) {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n}\n\n/**\n * Disables the tooltip making it disappear from DOM.\n */\n@define-mixin ck-tooltip_disabled {\n\t& .ck-tooltip {\n\t\tdisplay: none;\n\t}\n}\n\n/**\n * Shows the tooltip, which is already in DOM.\n * Requires `ck-tooltip_enabled` first.\n */\n@define-mixin ck-tooltip_visible {\n\t& .ck-tooltip {\n\t\tvisibility: visible;\n\t\topacity: 1;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_focus.css";\n@import "../../../mixins/_shadow.css";\n@import "../../../mixins/_disabled.css";\n@import "../../../mixins/_rounded.css";\n@import "../../mixins/_button.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n.ck.ck-button,\na.ck.ck-button {\n\t@mixin ck-button-colors --ck-color-button-default;\n\t@mixin ck-rounded-corners;\n\n\twhite-space: nowrap;\n\tcursor: default;\n\tvertical-align: middle;\n\tpadding: var(--ck-spacing-tiny);\n\ttext-align: center;\n\n\t/* A very important piece of styling. Go to variable declaration to learn more. */\n\tmin-width: var(--ck-ui-component-min-height);\n\tmin-height: var(--ck-ui-component-min-height);\n\n\t/* Normalize the height of the line. Removing this will break consistent height\n\tamong text and text-less buttons (with icons). */\n\tline-height: 1;\n\n\t/* Enable font size inheritance, which allows fluid UI scaling. */\n\tfont-size: inherit;\n\n\t/* Avoid flickering when the foucs border shows up. */\n\tborder: 1px solid transparent;\n\n\t/* Apply some smooth transition to the box-shadow and border. */\n\ttransition: box-shadow .2s ease-in-out, border .2s ease-in-out;\n\n\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/189 */\n\t-webkit-appearance: none;\n\n\t&:active,\n\t&:focus {\n\t\t@mixin ck-focus-ring;\n\t\t@mixin ck-box-shadow var(--ck-focus-outer-shadow);\n\t}\n\n\t/* Allow icon coloring using the text "color" property. */\n\t& .ck-button__icon {\n\t\t& use,\n\t\t& use * {\n\t\t\tcolor: inherit;\n\t\t}\n\t}\n\n\t& .ck-button__label {\n\t\t/* Enable font size inheritance, which allows fluid UI scaling. */\n\t\tfont-size: inherit;\n\t\tfont-weight: inherit;\n\t\tcolor: inherit;\n\t\tcursor: inherit;\n\n\t\t/* Must be consistent with .ck-icon\'s vertical align. Otherwise, buttons with and\n\t\twithout labels (but with icons) have different sizes in Chrome */\n\t\tvertical-align: middle;\n\n\t\t@mixin ck-dir ltr {\n\t\t\ttext-align: left;\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\ttext-align: right;\n\t\t}\n\t}\n\n\t& .ck-button__keystroke {\n\t\tcolor: inherit;\n\n\t\t@mixin ck-dir ltr {\n\t\t\tmargin-left: var(--ck-spacing-large);\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\tmargin-right: var(--ck-spacing-large);\n\t\t}\n\n\t\tfont-weight: bold;\n\t\topacity: .7;\n\t}\n\n\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/70 */\n\t&.ck-disabled {\n\t\t&:active,\n\t\t&:focus {\n\t\t\t/* The disabled button should have a slightly less visible shadow when focused. */\n\t\t\t@mixin ck-box-shadow var(--ck-focus-disabled-outer-shadow);\n\t\t}\n\n\t\t& .ck-button__icon {\n\t\t\t@mixin ck-disabled;\n\t\t}\n\n\t\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/98 */\n\t\t& .ck-button__label {\n\t\t\t@mixin ck-disabled;\n\t\t}\n\n\t\t& .ck-button__keystroke {\n\t\t\topacity: .3;\n\t\t}\n\t}\n\n\t&.ck-button_with-text {\n\t\tpadding: var(--ck-spacing-tiny) var(--ck-spacing-standard);\n\n\t\t/* stylelint-disable-next-line no-descending-specificity */\n\t\t& .ck-button__icon {\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\tmargin-left: calc(-1 * var(--ck-spacing-small));\n\t\t\t\tmargin-right: var(--ck-spacing-small);\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tmargin-right: calc(-1 * var(--ck-spacing-small));\n\t\t\t\tmargin-left: var(--ck-spacing-small);\n\t\t\t}\n\t\t}\n\t}\n\n\t&.ck-button_with-keystroke {\n\t\t/* stylelint-disable-next-line no-descending-specificity */\n\t\t& .ck-button__label {\n\t\t\tflex-grow: 1;\n\t\t}\n\t}\n\n\t/* A style of the button which is currently on, e.g. its feature is active. */\n\t&.ck-on {\n\t\t@mixin ck-button-colors --ck-color-button-on;\n\t}\n\n\t&.ck-button-save {\n\t\tcolor: var(--ck-color-button-save);\n\t}\n\n\t&.ck-button-cancel {\n\t\tcolor: var(--ck-color-button-cancel);\n\t}\n}\n\n/* A style of the button which handles the primary action. */\n.ck.ck-button-action,\na.ck.ck-button-action {\n\t@mixin ck-button-colors --ck-color-button-action;\n\n\tcolor: var(--ck-color-button-action-text);\n}\n\n.ck.ck-button-bold,\na.ck.ck-button-bold {\n\tfont-weight: bold;\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import \"../tooltip/mixins/_tooltip.css\";\n\n:root {\n\t--ck-dropdown-max-width: 75vw;\n}\n\n.ck.ck-dropdown {\n\tdisplay: inline-block;\n\tposition: relative;\n\n\t& .ck-dropdown__arrow {\n\t\tpointer-events: none;\n\t\tz-index: var(--ck-z-default);\n\t}\n\n\t/* Dropdown button should span horizontally, e.g. in vertical toolbars */\n\t& .ck-button.ck-dropdown__button {\n\t\twidth: 100%;\n\n\t\t/* Disable main button's tooltip when the dropdown is open. Otherwise the panel may\n\t\tpartially cover the tooltip */\n\t\t&.ck-on {\n\t\t\t@mixin ck-tooltip_disabled;\n\t\t}\n\t}\n\n\t& .ck-dropdown__panel {\n\t\t/* This is to get rid of flickering when the tooltip is shown under the panel,\n\t\twhich looks like the panel moves vertically a pixel down and up. */\n\t\t-webkit-backface-visibility: hidden;\n\n\t\tdisplay: none;\n\t\tz-index: var(--ck-z-modal);\n\t\tmax-width: var(--ck-dropdown-max-width);\n\n\t\tposition: absolute;\n\n\t\t&.ck-dropdown__panel-visible {\n\t\t\tdisplay: inline-block;\n\t\t}\n\n\t\t&.ck-dropdown__panel_ne,\n\t\t&.ck-dropdown__panel_nw,\n\t\t&.ck-dropdown__panel_n,\n\t\t&.ck-dropdown__panel_nmw,\n\t\t&.ck-dropdown__panel_nme {\n\t\t\tbottom: 100%;\n\t\t}\n\n\t\t&.ck-dropdown__panel_se,\n\t\t&.ck-dropdown__panel_sw,\n\t\t&.ck-dropdown__panel_smw,\n\t\t&.ck-dropdown__panel_sme,\n\t\t&.ck-dropdown__panel_s {\n\t\t\t/*\n\t\t\t * Using transform: translate3d( 0, 100%, 0 ) causes blurry dropdown on Chrome 67-78+ on non-retina displays.\n\t\t\t * See https://github.com/ckeditor/ckeditor5/issues/1053.\n\t\t\t */\n\t\t\ttop: 100%;\n\t\t\tbottom: auto;\n\t\t}\n\n\t\t&.ck-dropdown__panel_ne,\n\t\t&.ck-dropdown__panel_se {\n\t\t\tleft: 0px;\n\t\t}\n\n\t\t&.ck-dropdown__panel_nw,\n\t\t&.ck-dropdown__panel_sw {\n\t\t\tright: 0px;\n\t\t}\n\n\t\t&.ck-dropdown__panel_s,\n\t\t&.ck-dropdown__panel_n {\n\t\t\t/* Positioning panels relative to the center of the button */\n\t\t\tleft: 50%;\n\t\t\ttransform: translateX(-50%);\n\t\t}\n\n\t\t&.ck-dropdown__panel_nmw,\n\t\t&.ck-dropdown__panel_smw {\n\t\t\t/* Positioning panels relative to the middle-west of the button */\n\t\t\tleft: 75%;\n\t\t\ttransform: translateX(-75%);\n\t\t}\n\n\t\t&.ck-dropdown__panel_nme,\n\t\t&.ck-dropdown__panel_sme {\n\t\t\t/* Positioning panels relative to the middle-east of the button */\n\t\t\tleft: 25%;\n\t\t\ttransform: translateX(-25%);\n\t\t}\n\t}\n}\n\n/*\n * Toolbar dropdown panels should be always above the UI (eg. other dropdown panels) from the editor's content.\n * See https://github.com/ckeditor/ckeditor5/issues/7874\n */\n.ck.ck-toolbar .ck-dropdown__panel {\n\tz-index: calc( var(--ck-z-modal) + 1 );\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Enables the tooltip, which is the tooltip is in DOM but\n * not yet displayed.\n */\n@define-mixin ck-tooltip_enabled {\n\t& .ck-tooltip {\n\t\tdisplay: block;\n\n\t\t/*\n\t\t * Don't display tooltips in devices which don't support :hover.\n\t\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\n\t\t * the primary action, when tooltips are enabled.\n\t\t *\n\t\t * Q: OK, but why not the following query?\n\t\t *\n\t\t *   @media (hover) {\n\t\t *       display: block;\n\t\t *   }\n\t\t *\n\t\t * A: Because FF does not support it and it would completely disable tooltips\n\t\t * in that browser.\n\t\t *\n\t\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\n\t\t */\n\t\t@media (hover:none) {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n}\n\n/**\n * Disables the tooltip making it disappear from DOM.\n */\n@define-mixin ck-tooltip_disabled {\n\t& .ck-tooltip {\n\t\tdisplay: none;\n\t}\n}\n\n/**\n * Shows the tooltip, which is already in DOM.\n * Requires `ck-tooltip_enabled` first.\n */\n@define-mixin ck-tooltip_visible {\n\t& .ck-tooltip {\n\t\tvisibility: visible;\n\t\topacity: 1;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_disabled.css";\n@import "../../../mixins/_shadow.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n:root {\n\t--ck-dropdown-arrow-size: calc(0.5 * var(--ck-icon-size));\n}\n\n.ck.ck-dropdown {\n\t/* Enable font size inheritance, which allows fluid UI scaling. */\n\tfont-size: inherit;\n\n\t& .ck-dropdown__arrow {\n\t\twidth: var(--ck-dropdown-arrow-size);\n\t}\n\n\t@mixin ck-dir ltr {\n\t\t& .ck-dropdown__arrow {\n\t\t\tright: var(--ck-spacing-standard);\n\n\t\t\t/* A space to accommodate the triangle. */\n\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t}\n\t}\n\n\t@mixin ck-dir rtl {\n\t\t& .ck-dropdown__arrow {\n\t\t\tleft: var(--ck-spacing-standard);\n\n\t\t\t/* A space to accommodate the triangle. */\n\t\t\tmargin-right: var(--ck-spacing-small);\n\t\t}\n\t}\n\n\t&.ck-disabled .ck-dropdown__arrow {\n\t\t@mixin ck-disabled;\n\t}\n\n\t& .ck-button.ck-dropdown__button {\n\t\t@mixin ck-dir ltr {\n\t\t\t&:not(.ck-button_with-text) {\n\t\t\t\t/* Make sure dropdowns with just an icon have the right inner spacing */\n\t\t\t\tpadding-left: var(--ck-spacing-small);\n\t\t\t}\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\t&:not(.ck-button_with-text) {\n\t\t\t\t/* Make sure dropdowns with just an icon have the right inner spacing */\n\t\t\t\tpadding-right: var(--ck-spacing-small);\n\t\t\t}\n\t\t}\n\n\t\t/* #23 */\n\t\t& .ck-button__label {\n\t\t\twidth: 7em;\n\t\t\toverflow: hidden;\n\t\t\ttext-overflow: ellipsis;\n\t\t}\n\n\t\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/70 */\n\t\t&.ck-disabled .ck-button__label {\n\t\t\t@mixin ck-disabled;\n\t\t}\n\n\t\t/* https://github.com/ckeditor/ckeditor5/issues/816 */\n\t\t&.ck-on {\n\t\t\tborder-bottom-left-radius: 0;\n\t\t\tborder-bottom-right-radius: 0;\n\t\t}\n\n\t\t&.ck-dropdown__button_label-width_auto .ck-button__label {\n\t\t\twidth: auto;\n\t\t}\n\n\t\t/* https://github.com/ckeditor/ckeditor5/issues/8699 */\n\t\t&.ck-off:active,\n\t\t&.ck-on:active {\n\t\t\tbox-shadow: none;\n\t\t\t\n\t\t\t&:focus {\n\t\t\t\t@mixin ck-box-shadow var(--ck-focus-outer-shadow);\n\t\t\t}\n\t\t}\n\t}\n}\n\n.ck.ck-dropdown__panel {\n\t@mixin ck-rounded-corners;\n\t@mixin ck-drop-shadow;\n\n\tbackground: var(--ck-color-dropdown-panel-background);\n\tborder: 1px solid var(--ck-color-dropdown-panel-border);\n\tbottom: 0;\n\n\t/* Make sure the panel is at least as wide as the drop-down\'s button. */\n\tmin-width: 100%;\n\n\t/* Disabled corner border radius to be consistent with the .dropdown__button\n\thttps://github.com/ckeditor/ckeditor5/issues/816 */\n\t&.ck-dropdown__panel_se {\n\t\tborder-top-left-radius: 0;\n\t}\n\n\t&.ck-dropdown__panel_sw {\n\t\tborder-top-right-radius: 0;\n\t}\n\n\t&.ck-dropdown__panel_ne {\n\t\tborder-bottom-left-radius: 0;\n\t}\n\n\t&.ck-dropdown__panel_nw {\n\t\tborder-bottom-right-radius: 0;\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A class which indicates that an element holding it is disabled.\n */\n@define-mixin ck-disabled {\n\topacity: var(--ck-disabled-opacity);\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);const a=s},6875:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-dropdown .ck-dropdown__panel .ck-list{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list,.ck.ck-dropdown .ck-dropdown__panel .ck-list.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0}.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button,.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0}.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button,.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0;border-top-right-radius:0}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/dropdown/listdropdown.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css"],names:[],mappings:"AAOA,6CCIC,eDqBD,CAzBA,iICQE,qCAAsC,CDJtC,wBAqBF,CAfE,mFCND,eDYC,CANA,6MCFA,qCAAsC,CDIpC,wBAAyB,CACzB,2BAA4B,CAC5B,4BAEF,CAEA,kFCdD,eDmBC,CALA,2MCVA,qCAAsC,CDYpC,wBAAyB,CACzB,yBAEF",sourcesContent:['/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n\n.ck.ck-dropdown .ck-dropdown__panel .ck-list {\n\t/* Disabled radius of top-left border to be consistent with .dropdown__button\n\thttps://github.com/ckeditor/ckeditor5/issues/816 */\n\t@mixin ck-rounded-corners {\n\t\tborder-top-left-radius: 0;\n\t}\n\n\t/* Make sure the button belonging to the first/last child of the list goes well with the\n\tborder radius of the entire panel. */\n\t& .ck-list__item {\n\t\t&:first-child .ck-button {\n\t\t\t@mixin ck-rounded-corners {\n\t\t\t\tborder-top-left-radius: 0;\n\t\t\t\tborder-bottom-left-radius: 0;\n\t\t\t\tborder-bottom-right-radius: 0;\n\t\t\t}\n\t\t}\n\n\t\t&:last-child .ck-button {\n\t\t\t@mixin ck-rounded-corners {\n\t\t\t\tborder-top-left-radius: 0;\n\t\t\t\tborder-top-right-radius: 0;\n\t\t\t}\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);const a=s},66:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,'.ck.ck-splitbutton{font-size:inherit}.ck.ck-splitbutton .ck-splitbutton__action:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button .ck-tooltip{display:none}:root{--ck-color-split-button-hover-background:#ebebeb;--ck-color-split-button-hover-border:#b3b3b3}[dir=ltr] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,[dir=ltr] .ck.ck-splitbutton:hover>.ck-splitbutton__action{border-top-right-radius:unset;border-bottom-right-radius:unset}[dir=rtl] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,[dir=rtl] .ck.ck-splitbutton:hover>.ck-splitbutton__action{border-top-left-radius:unset;border-bottom-left-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow{min-width:unset}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-top-left-radius:unset;border-bottom-left-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-top-right-radius:unset;border-bottom-right-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow svg{width:var(--ck-dropdown-arrow-size)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover),.ck.ck-splitbutton:hover>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover){background:var(--ck-color-split-button-hover-background)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):after,.ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled):after{content:"";position:absolute;width:1px;height:100%;background-color:var(--ck-color-split-button-hover-border)}[dir=ltr] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):after,[dir=ltr] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled):after{left:-1px}[dir=rtl] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):after,[dir=rtl] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled):after{right:-1px}.ck.ck-splitbutton.ck-splitbutton_open{border-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__action{border-bottom-left-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__arrow{border-bottom-right-radius:0}',"",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/dropdown/splitbutton.css","webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/tooltip/mixins/_tooltip.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/dropdown/splitbutton.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css"],names:[],mappings:"AAOA,mBAEC,iBAUD,CARC,iDACC,qCACD,CC0BA,8DACC,YACD,CClCD,MACC,gDAAyD,CACzD,4CACD,CAMC,oIAIE,6BAA8B,CAC9B,gCAQF,CAbA,oIAUE,4BAA6B,CAC7B,+BAEF,CAEA,0CAGC,eAiBD,CApBA,oDAOE,4BAA6B,CAC7B,+BAYF,CApBA,oDAaE,6BAA8B,CAC9B,gCAMF,CAHC,8CACC,mCACD,CASA,0KACC,wDACD,CAIA,8JACC,UAAW,CACX,iBAAkB,CAClB,SAAU,CACV,WAAY,CACZ,0DACD,CAGC,kLACC,SACD,CAIA,kLACC,UACD,CAMF,uCC7EA,eDuFA,CAVA,qHCzEC,qCDmFD,CARE,qKACC,2BACD,CAEA,mKACC,4BACD",sourcesContent:['/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../tooltip/mixins/_tooltip.css";\n\n.ck.ck-splitbutton {\n\t/* Enable font size inheritance, which allows fluid UI scaling. */\n\tfont-size: inherit;\n\n\t& .ck-splitbutton__action:focus {\n\t\tz-index: calc(var(--ck-z-default) + 1);\n\t}\n\n\t/* Disable tooltips for the buttons when the button is "open" */\n\t&.ck-splitbutton_open > .ck-button {\n\t\t@mixin ck-tooltip_disabled;\n\t}\n}\n\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Enables the tooltip, which is the tooltip is in DOM but\n * not yet displayed.\n */\n@define-mixin ck-tooltip_enabled {\n\t& .ck-tooltip {\n\t\tdisplay: block;\n\n\t\t/*\n\t\t * Don't display tooltips in devices which don't support :hover.\n\t\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\n\t\t * the primary action, when tooltips are enabled.\n\t\t *\n\t\t * Q: OK, but why not the following query?\n\t\t *\n\t\t *   @media (hover) {\n\t\t *       display: block;\n\t\t *   }\n\t\t *\n\t\t * A: Because FF does not support it and it would completely disable tooltips\n\t\t * in that browser.\n\t\t *\n\t\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\n\t\t */\n\t\t@media (hover:none) {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n}\n\n/**\n * Disables the tooltip making it disappear from DOM.\n */\n@define-mixin ck-tooltip_disabled {\n\t& .ck-tooltip {\n\t\tdisplay: none;\n\t}\n}\n\n/**\n * Shows the tooltip, which is already in DOM.\n * Requires `ck-tooltip_enabled` first.\n */\n@define-mixin ck-tooltip_visible {\n\t& .ck-tooltip {\n\t\tvisibility: visible;\n\t\topacity: 1;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n\n:root {\n\t--ck-color-split-button-hover-background: hsl(0, 0%, 92%);\n\t--ck-color-split-button-hover-border: hsl(0, 0%, 70%);\n}\n\n.ck.ck-splitbutton {\n\t/*\n\t * Note: ck-rounded and ck-dir mixins don\'t go together (because they both use @nest).\n\t */\n\t&:hover > .ck-splitbutton__action,\n\t&.ck-splitbutton_open > .ck-splitbutton__action {\n\t\t@nest [dir="ltr"] & {\n\t\t\t/* Don\'t round the action button on the right side */\n\t\t\tborder-top-right-radius: unset;\n\t\t\tborder-bottom-right-radius: unset;\n\t\t}\n\n\t\t@nest [dir="rtl"] & {\n\t\t\t/* Don\'t round the action button on the left side */\n\t\t\tborder-top-left-radius: unset;\n\t\t\tborder-bottom-left-radius: unset;\n\t\t}\n\t}\n\n\t& > .ck-splitbutton__arrow {\n\t\t/* It\'s a text-less button and since the icon is positioned absolutely in such situation,\n\t\tit must get some arbitrary min-width. */\n\t\tmin-width: unset;\n\n\t\t@nest [dir="ltr"] & {\n\t\t\t/* Don\'t round the arrow button on the left side */\n\t\t\tborder-top-left-radius: unset;\n\t\t\tborder-bottom-left-radius: unset;\n\t\t}\n\n\t\t@nest [dir="rtl"] & {\n\t\t\t/* Don\'t round the arrow button on the right side */\n\t\t\tborder-top-right-radius: unset;\n\t\t\tborder-bottom-right-radius: unset;\n\t\t}\n\n\t\t& svg {\n\t\t\twidth: var(--ck-dropdown-arrow-size);\n\t\t}\n\t}\n\n\t/* When the split button is "open" (the arrow is on) or being hovered, it should get some styling\n\tas a whole. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);const a=s},5075:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,":root{--ck-toolbar-dropdown-max-width:60vw}.ck.ck-toolbar-dropdown>.ck-dropdown__panel{width:max-content;max-width:var(--ck-toolbar-dropdown-max-width)}.ck.ck-toolbar-dropdown>.ck-dropdown__panel .ck-button:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-toolbar-dropdown .ck-toolbar{border:0}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/dropdown/toolbardropdown.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/dropdown/toolbardropdown.css"],names:[],mappings:"AAKA,MACC,oCACD,CAEA,4CAEC,iBAAkB,CAClB,8CAOD,CAJE,6DACC,qCACD,CCZF,oCACC,QACD",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-toolbar-dropdown-max-width: 60vw;\n}\n\n.ck.ck-toolbar-dropdown > .ck-dropdown__panel {\n\t/* https://github.com/ckeditor/ckeditor5/issues/5586 */\n\twidth: max-content;\n\tmax-width: var(--ck-toolbar-dropdown-max-width);\n\n\t& .ck-button {\n\t\t&:focus {\n\t\t\tz-index: calc(var(--ck-z-default) + 1);\n\t\t}\n\t}\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-toolbar-dropdown .ck-toolbar {\n\tborder: 0;\n}\n"],sourceRoot:""}]);const a=s},4547:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,":root{--ck-color-editable-blur-selection:#d9d9d9}.ck.ck-editor__editable:not(.ck-editor__nested-editable){border-radius:0}.ck-rounded-corners .ck.ck-editor__editable:not(.ck-editor__nested-editable),.ck.ck-editor__editable:not(.ck-editor__nested-editable).ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-editor__editable:not(.ck-editor__nested-editable).ck-focused{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-inner-shadow),0 0}.ck.ck-editor__editable_inline{overflow:auto;padding:0 var(--ck-spacing-standard);border:1px solid transparent}.ck.ck-editor__editable_inline[dir=ltr]{text-align:left}.ck.ck-editor__editable_inline[dir=rtl]{text-align:right}.ck.ck-editor__editable_inline>:first-child{margin-top:var(--ck-spacing-large)}.ck.ck-editor__editable_inline>:last-child{margin-bottom:var(--ck-spacing-large)}.ck.ck-editor__editable_inline.ck-blurred ::selection{background:var(--ck-color-editable-blur-selection)}.ck.ck-balloon-panel.ck-toolbar-container[class*=arrow_n]:after{border-bottom-color:var(--ck-color-base-foreground)}.ck.ck-balloon-panel.ck-toolbar-container[class*=arrow_s]:after{border-top-color:var(--ck-color-base-foreground)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/editorui/editorui.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_focus.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css"],names:[],mappings:"AAWA,MACC,0CACD,CAEA,yDCJC,eDWD,CAPA,yJCAE,qCDOF,CAJC,oEERA,YAAa,CACb,2BAA2B,CCF3B,qCHYA,CAGD,+BACC,aAAc,CACd,oCAAqC,CACrC,4BA4BD,CA1BC,wCACC,eACD,CAEA,wCACC,gBACD,CAGA,4CACC,kCACD,CAGA,2CAKC,qCACD,CAGA,sDACC,kDACD,CAKA,gEACC,mDACD,CAIA,gEACC,gDACD",sourcesContent:['/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_disabled.css";\n@import "../../../mixins/_shadow.css";\n@import "../../../mixins/_focus.css";\n@import "../../mixins/_button.css";\n\n:root {\n\t--ck-color-editable-blur-selection: hsl(0, 0%, 85%);\n}\n\n.ck.ck-editor__editable:not(.ck-editor__nested-editable) {\n\t@mixin ck-rounded-corners;\n\n\t&.ck-focused {\n\t\t@mixin ck-focus-ring;\n\t\t@mixin ck-box-shadow var(--ck-inner-shadow);\n\t}\n}\n\n.ck.ck-editor__editable_inline {\n\toverflow: auto;\n\tpadding: 0 var(--ck-spacing-standard);\n\tborder: 1px solid transparent;\n\n\t&[dir="ltr"] {\n\t\ttext-align: left;\n\t}\n\n\t&[dir="rtl"] {\n\t\ttext-align: right;\n\t}\n\n\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/116 */\n\t& > *:first-child {\n\t\tmargin-top: var(--ck-spacing-large);\n\t}\n\n\t/* https://github.com/ckeditor/ckeditor5/issues/847 */\n\t& > *:last-child {\n\t\t/*\n\t\t * This value should match with the default margins of the block elements (like .media or .image)\n\t\t * to avoid a content jumping when the fake selection container shows up (See https://github.com/ckeditor/ckeditor5/issues/9825).\n\t\t */\n\t\tmargin-bottom: var(--ck-spacing-large);\n\t}\n\n\t/* https://github.com/ckeditor/ckeditor5/issues/6517 */\n\t&.ck-blurred ::selection {\n\t\tbackground: var(--ck-color-editable-blur-selection);\n\t}\n}\n\n/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/111 */\n.ck.ck-balloon-panel.ck-toolbar-container[class*="arrow_n"] {\n\t&::after {\n\t\tborder-bottom-color: var(--ck-color-base-foreground);\n\t}\n}\n\n.ck.ck-balloon-panel.ck-toolbar-container[class*="arrow_s"] {\n\t&::after {\n\t\tborder-top-color: var(--ck-color-base-foreground);\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_focus.css";\n@import "../../../mixins/_shadow.css";\n\n:root {\n\t--ck-input-width: 18em;\n\n\t/* Backward compatibility. */\n\t--ck-input-text-width: var(--ck-input-width);\n}\n\n.ck.ck-input {\n\t@mixin ck-rounded-corners;\n\n\tbackground: var(--ck-color-input-background);\n\tborder: 1px solid var(--ck-color-input-border);\n\tpadding: var(--ck-spacing-extra-tiny) var(--ck-spacing-medium);\n\tmin-width: var(--ck-input-width);\n\n\t/* This is important to stay of the same height as surrounding buttons */\n\tmin-height: var(--ck-ui-component-min-height);\n\n\t/* Apply some smooth transition to the box-shadow and border. */\n\ttransition: box-shadow .1s ease-in-out, border .1s ease-in-out;\n\n\t&:focus {\n\t\t@mixin ck-focus-ring;\n\t\t@mixin ck-box-shadow var(--ck-focus-outer-shadow);\n\t}\n\n\t&[readonly] {\n\t\tborder: 1px solid var(--ck-color-input-disabled-border);\n\t\tbackground: var(--ck-color-input-disabled-background);\n\t\tcolor: var(--ck-color-input-disabled-text);\n\n\t\t&:focus {\n\t\t\t/* The read-only input should have a slightly less visible shadow when focused. */\n\t\t\t@mixin ck-box-shadow var(--ck-focus-disabled-outer-shadow);\n\t\t}\n\t}\n\n\t&.ck-error {\n\t\tborder-color: var(--ck-color-input-error-border);\n\t\tanimation: ck-input-shake .3s ease both;\n\n\t\t&:focus {\n\t\t\t@mixin ck-box-shadow var(--ck-focus-error-outer-shadow);\n\t\t}\n\t}\n}\n\n@keyframes ck-input-shake {\n\t20% {\n\t\ttransform: translateX(-2px);\n\t}\n\n\t40% {\n\t\ttransform: translateX(2px);\n\t}\n\n\t60% {\n\t\ttransform: translateX(-1px);\n\t}\n\n\t80% {\n\t\ttransform: translateX(1px);\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A visual style of focused element's border.\n */\n@define-mixin ck-focus-ring {\n\t/* Disable native outline. */\n\toutline: none;\n\tborder: var(--ck-focus-ring)\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n"],sourceRoot:""}]);const a=s},2751:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-label{display:block}.ck.ck-voice-label{display:none}.ck.ck-label{font-weight:700}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/label/label.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/label/label.css"],names:[],mappings:"AAKA,aACC,aACD,CAEA,mBACC,YACD,CCNA,aACC,eACD",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-label {\n\tdisplay: block;\n}\n\n.ck.ck-voice-label {\n\tdisplay: none;\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-label {\n\tfont-weight: bold;\n}\n"],sourceRoot:""}]);const a=s},8111:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper{display:flex;position:relative}.ck.ck-labeled-field-view .ck.ck-label{display:block;position:absolute}:root{--ck-labeled-field-view-transition:.1s cubic-bezier(0,0,0.24,0.95);--ck-labeled-field-empty-unfocused-max-width:100% - 2 * var(--ck-spacing-medium);--ck-color-labeled-field-label-background:var(--ck-color-base-background)}.ck.ck-labeled-field-view{border-radius:0}.ck-rounded-corners .ck.ck-labeled-field-view,.ck.ck-labeled-field-view.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper{width:100%}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{top:0}[dir=ltr] .ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{left:0}[dir=rtl] .ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{right:0}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{pointer-events:none;transform-origin:0 0;transform:translate(var(--ck-spacing-medium),-6px) scale(.75);background:var(--ck-color-labeled-field-label-background);padding:0 calc(var(--ck-font-size-tiny)*0.5);line-height:normal;font-weight:400;text-overflow:ellipsis;overflow:hidden;max-width:100%;transition:transform var(--ck-labeled-field-view-transition),padding var(--ck-labeled-field-view-transition),background var(--ck-labeled-field-view-transition)}.ck.ck-labeled-field-view.ck-error .ck-input:not([readonly])+.ck.ck-label,.ck.ck-labeled-field-view.ck-error>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{color:var(--ck-color-base-error)}.ck.ck-labeled-field-view .ck-labeled-field-view__status{font-size:var(--ck-font-size-small);margin-top:var(--ck-spacing-small);white-space:normal}.ck.ck-labeled-field-view .ck-labeled-field-view__status.ck-labeled-field-view__status_error{color:var(--ck-color-base-error)}.ck.ck-labeled-field-view.ck-disabled>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{color:var(--ck-color-input-disabled-text)}[dir=ltr] .ck.ck-labeled-field-view.ck-disabled.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,[dir=ltr] .ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{transform:translate(var(--ck-spacing-medium),calc(var(--ck-font-size-base)*0.6)) scale(1)}[dir=rtl] .ck.ck-labeled-field-view.ck-disabled.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,[dir=rtl] .ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{transform:translate(calc(var(--ck-spacing-medium)*-1),calc(var(--ck-font-size-base)*0.6)) scale(1)}.ck.ck-labeled-field-view.ck-disabled.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{max-width:calc(var(--ck-labeled-field-empty-unfocused-max-width));background:transparent;padding:0}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown>.ck.ck-button{background:transparent}.ck.ck-labeled-field-view.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown>.ck-button>.ck-button__label{opacity:0}.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown+.ck-label{max-width:calc(var(--ck-labeled-field-empty-unfocused-max-width) - var(--ck-dropdown-arrow-size) - var(--ck-spacing-standard))}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/labeledfield/labeledfieldview.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/labeledfield/labeledfieldview.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css"],names:[],mappings:"AAMC,mEACC,YAAa,CACb,iBACD,CAEA,uCACC,aAAc,CACd,iBACD,CCND,MACC,kEAAsE,CACtE,gFAAiF,CACjF,yEACD,CAEA,0BCHC,eD4GD,CAzGA,2FCCE,qCDwGF,CAtGC,mEACC,UAmCD,CAjCC,gFACC,KA+BD,CAhCA,0FAIE,MA4BF,CAhCA,0FAQE,OAwBF,CAhCA,gFAWC,mBAAoB,CACpB,oBAAqB,CAGrB,6DAA+D,CAE/D,yDAA0D,CAC1D,4CAA8C,CAC9C,kBAAoB,CACpB,eAAmB,CAGnB,sBAAuB,CACvB,eAAgB,CAEhB,cAAe,CAEf,+JAID,CAQA,mKACC,gCACD,CAGD,yDACC,mCAAoC,CACpC,kCAAmC,CAInC,kBAKD,CAHC,6FACC,gCACD,CAID,4OAEC,yCACD,CAIA,oUAGE,yFAYF,CAfA,oUAOE,kGAQF,CAfA,gTAWC,iEAAkE,CAElE,sBAAuB,CACvB,SACD,CAKA,8FACC,sBACD,CAGA,yIACC,SACD,CAGA,kMACC,8HACD",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-labeled-field-view {\n\t& > .ck.ck-labeled-field-view__input-wrapper {\n\t\tdisplay: flex;\n\t\tposition: relative;\n\t}\n\n\t& .ck.ck-label {\n\t\tdisplay: block;\n\t\tposition: absolute;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n@import "../../../mixins/_rounded.css";\n\n:root {\n\t--ck-labeled-field-view-transition: .1s cubic-bezier(0, 0, 0.24, 0.95);\n\t--ck-labeled-field-empty-unfocused-max-width: 100% - 2 * var(--ck-spacing-medium);\n\t--ck-color-labeled-field-label-background: var(--ck-color-base-background);\n}\n\n.ck.ck-labeled-field-view {\n\t@mixin ck-rounded-corners;\n\n\t& > .ck.ck-labeled-field-view__input-wrapper {\n\t\twidth: 100%;\n\n\t\t& > .ck.ck-label {\n\t\t\ttop: 0px;\n\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\tleft: 0px;\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tright: 0px;\n\t\t\t}\n\n\t\t\tpointer-events: none;\n\t\t\ttransform-origin: 0 0;\n\n\t\t\t/* By default, display the label scaled down above the field. */\n\t\t\ttransform: translate(var(--ck-spacing-medium), -6px) scale(.75);\n\n\t\t\tbackground: var(--ck-color-labeled-field-label-background);\n\t\t\tpadding: 0 calc(.5 * var(--ck-font-size-tiny));\n\t\t\tline-height: initial;\n\t\t\tfont-weight: normal;\n\n\t\t\t/* Prevent overflow when the label is longer than the input */\n\t\t\ttext-overflow: ellipsis;\n\t\t\toverflow: hidden;\n\n\t\t\tmax-width: 100%;\n\n\t\t\ttransition:\n\t\t\t\ttransform var(--ck-labeled-field-view-transition),\n\t\t\t\tpadding var(--ck-labeled-field-view-transition),\n\t\t\t\tbackground var(--ck-labeled-field-view-transition);\n\t\t}\n\t}\n\n\t&.ck-error {\n\t\t& > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\n\t\t\tcolor: var(--ck-color-base-error);\n\t\t}\n\n\t\t& .ck-input:not([readonly]) + .ck.ck-label {\n\t\t\tcolor: var(--ck-color-base-error);\n\t\t}\n\t}\n\n\t& .ck-labeled-field-view__status {\n\t\tfont-size: var(--ck-font-size-small);\n\t\tmargin-top: var(--ck-spacing-small);\n\n\t\t/* Let the info wrap to the next line to avoid stretching the layout horizontally.\n\t\tThe status could be very long. */\n\t\twhite-space: normal;\n\n\t\t&.ck-labeled-field-view__status_error {\n\t\t\tcolor: var(--ck-color-base-error);\n\t\t}\n\t}\n\n\t/* Disabled fields and fields that have no focus should fade out. */\n\t&.ck-disabled > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label,\n\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused) > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\n\t\tcolor: var(--ck-color-input-disabled-text);\n\t}\n\n\t/* Fields that are disabled or not focused and without a placeholder should have full-sized labels. */\n\t/* stylelint-disable-next-line no-descending-specificity */\n\t&.ck-disabled.ck-labeled-field-view_empty > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label,\n\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder) > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\n\t\t@mixin ck-dir ltr {\n\t\t\ttransform: translate(var(--ck-spacing-medium), calc(0.6 * var(--ck-font-size-base))) scale(1);\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\ttransform: translate(calc(-1 * var(--ck-spacing-medium)), calc(0.6 * var(--ck-font-size-base))) scale(1);\n\t\t}\n\n\t\t/* Compensate for the default translate position. */\n\t\tmax-width: calc(var(--ck-labeled-field-empty-unfocused-max-width));\n\n\t\tbackground: transparent;\n\t\tpadding: 0;\n\t}\n\n\t/*------ DropdownView integration ----------------------------------------------------------------------------------- */\n\n\t/* Make sure dropdown\' background color in any of dropdown\'s state does not collide with labeled field. */\n\t& > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown > .ck.ck-button {\n\t\tbackground: transparent;\n\t}\n\n\t/* When the dropdown is "empty", the labeled field label replaces its label. */\n\t&.ck-labeled-field-view_empty > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown > .ck-button > .ck-button__label {\n\t\topacity: 0;\n\t}\n\n\t/* Make sure the label of the empty, unfocused input does not cover the dropdown arrow. */\n\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder) > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown + .ck-label {\n\t\tmax-width: calc(var(--ck-labeled-field-empty-unfocused-max-width) - var(--ck-dropdown-arrow-size) - var(--ck-spacing-standard));\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);const a=s},1162:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-list{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-direction:column}.ck.ck-list .ck-list__item,.ck.ck-list .ck-list__separator{display:block}.ck.ck-list .ck-list__item>:focus{position:relative;z-index:var(--ck-z-default)}.ck.ck-list{border-radius:0}.ck-rounded-corners .ck.ck-list,.ck.ck-list.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-list{list-style-type:none;background:var(--ck-color-list-background)}.ck.ck-list__item{cursor:default;min-width:12em}.ck.ck-list__item .ck-button{min-height:unset;width:100%;text-align:left;border-radius:0;padding:calc(var(--ck-line-height-base)*0.2*var(--ck-font-size-base)) calc(var(--ck-line-height-base)*0.4*var(--ck-font-size-base))}.ck.ck-list__item .ck-button .ck-button__label{line-height:calc(var(--ck-line-height-base)*1.2*var(--ck-font-size-base))}.ck.ck-list__item .ck-button:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on{background:var(--ck-color-list-button-on-background);color:var(--ck-color-list-button-on-text)}.ck.ck-list__item .ck-button.ck-on:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on:hover:not(.ck-disabled){background:var(--ck-color-list-button-on-background-focus)}.ck.ck-list__item .ck-button.ck-on:focus:not(.ck-disabled){border-color:var(--ck-color-base-background)}.ck.ck-list__item .ck-button:hover:not(.ck-disabled){background:var(--ck-color-list-button-hover-background)}.ck.ck-list__item .ck-switchbutton.ck-on{background:var(--ck-color-list-background);color:inherit}.ck.ck-list__item .ck-switchbutton.ck-on:hover:not(.ck-disabled){background:var(--ck-color-list-button-hover-background);color:inherit}.ck.ck-list__separator{height:1px;width:100%;background:var(--ck-color-base-border)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/list/list.css","webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_unselectable.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/list/list.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css"],names:[],mappings:"AAOA,YCEC,qBAAsB,CACtB,wBAAyB,CACzB,oBAAqB,CACrB,gBAAgB,CDFhB,YAAa,CACb,qBAcD,CAZC,2DAEC,aACD,CAKA,kCACC,iBAAkB,CAClB,2BACD,CEfD,YCEC,eDGD,CALA,+DCME,qCDDF,CALA,YAGC,oBAAqB,CACrB,0CACD,CAEA,kBACC,cAAe,CACf,cA2DD,CAzDC,6BACC,gBAAiB,CACjB,UAAW,CACX,eAAgB,CAChB,eAAgB,CAKhB,mIAiCD,CA7BC,+CAEC,yEACD,CAEA,oCACC,eACD,CAEA,mCACC,oDAAqD,CACrD,yCAaD,CAXC,0CACC,eACD,CAEA,2DACC,0DACD,CAEA,2DACC,4CACD,CAGD,qDACC,uDACD,CAMA,yCACC,0CAA2C,CAC3C,aAMD,CAJC,iEACC,uDAAwD,CACxD,aACD,CAKH,uBACC,UAAW,CACX,UAAW,CACX,sCACD",sourcesContent:['/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Makes element unselectable.\n */\n@define-mixin ck-unselectable {\n\t-moz-user-select: none;\n\t-webkit-user-select: none;\n\t-ms-user-select: none;\n\tuser-select: none\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_disabled.css";\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_shadow.css";\n\n.ck.ck-list {\n\t@mixin ck-rounded-corners;\n\n\tlist-style-type: none;\n\tbackground: var(--ck-color-list-background);\n}\n\n.ck.ck-list__item {\n\tcursor: default;\n\tmin-width: 12em;\n\n\t& .ck-button {\n\t\tmin-height: unset;\n\t\twidth: 100%;\n\t\ttext-align: left;\n\t\tborder-radius: 0;\n\n\t\t/* List items should have the same height. Use absolute units to make sure it is so\n\t\t   because e.g. different heading styles may have different height\n\t\t   https://github.com/ckeditor/ckeditor5-heading/issues/63 */\n\t\tpadding:\n\t\t\tcalc(.2 * var(--ck-line-height-base) * var(--ck-font-size-base))\n\t\t\tcalc(.4 * var(--ck-line-height-base) * var(--ck-font-size-base));\n\n\t\t& .ck-button__label {\n\t\t\t/* https://github.com/ckeditor/ckeditor5-heading/issues/63 */\n\t\t\tline-height: calc(1.2 * var(--ck-line-height-base) * var(--ck-font-size-base));\n\t\t}\n\n\t\t&:active {\n\t\t\tbox-shadow: none;\n\t\t}\n\n\t\t&.ck-on {\n\t\t\tbackground: var(--ck-color-list-button-on-background);\n\t\t\tcolor: var(--ck-color-list-button-on-text);\n\n\t\t\t&:active {\n\t\t\t\tbox-shadow: none;\n\t\t\t}\n\n\t\t\t&:hover:not(.ck-disabled) {\n\t\t\t\tbackground: var(--ck-color-list-button-on-background-focus);\n\t\t\t}\n\n\t\t\t&:focus:not(.ck-disabled) {\n\t\t\t\tborder-color: var(--ck-color-base-background);\n\t\t\t}\n\t\t}\n\n\t\t&:hover:not(.ck-disabled) {\n\t\t\tbackground: var(--ck-color-list-button-hover-background);\n\t\t}\n\t}\n\n\t/* It\'s unnecessary to change the background/text of a switch toggle; it has different ways\n\tof conveying its state (like the switcher) */\n\t& .ck-switchbutton {\n\t\t&.ck-on {\n\t\t\tbackground: var(--ck-color-list-background);\n\t\t\tcolor: inherit;\n\n\t\t\t&:hover:not(.ck-disabled) {\n\t\t\t\tbackground: var(--ck-color-list-button-hover-background);\n\t\t\t\tcolor: inherit;\n\t\t\t}\n\t\t}\n\t}\n}\n\n.ck.ck-list__separator {\n\theight: 1px;\n\twidth: 100%;\n\tbackground: var(--ck-color-base-border);\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t/* Make sure the balloon arrow does not float over its children. */\n\t--ck-balloon-panel-arrow-z-index: calc(var(--ck-z-default) - 3);\n}\n\n.ck.ck-balloon-panel {\n\tdisplay: none;\n\tposition: absolute;\n\n\tz-index: var(--ck-z-modal);\n\n\t&.ck-balloon-panel_with-arrow {\n\t\t&::before,\n\t\t&::after {\n\t\t\tcontent: "";\n\t\t\tposition: absolute;\n\t\t}\n\n\t\t&::before {\n\t\t\tz-index: var(--ck-balloon-panel-arrow-z-index);\n\t\t}\n\n\t\t&::after {\n\t\t\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\n\t\t}\n\t}\n\n\t&[class*="arrow_n"] {\n\t\t&::before {\n\t\t\tz-index: var(--ck-balloon-panel-arrow-z-index);\n\t\t}\n\n\t\t&::after {\n\t\t\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\n\t\t}\n\t}\n\n\t&[class*="arrow_s"] {\n\t\t&::before {\n\t\t\tz-index: var(--ck-balloon-panel-arrow-z-index);\n\t\t}\n\n\t\t&::after {\n\t\t\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_visible {\n\t\tdisplay: block;\n\t}\n}\n','/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_shadow.css";\n\n:root {\n\t--ck-balloon-arrow-offset: 2px;\n\t--ck-balloon-arrow-height: 10px;\n\t--ck-balloon-arrow-half-width: 8px;\n\t--ck-balloon-arrow-drop-shadow: 0 2px 2px var(--ck-color-shadow-drop);\n}\n\n.ck.ck-balloon-panel {\n\t@mixin ck-rounded-corners;\n\t@mixin ck-drop-shadow;\n\n\tmin-height: 15px;\n\n\tbackground: var(--ck-color-panel-background);\n\tborder: 1px solid var(--ck-color-panel-border);\n\n\t&.ck-balloon-panel_with-arrow {\n\t\t&::before,\n\t\t&::after {\n\t\t\twidth: 0;\n\t\t\theight: 0;\n\t\t\tborder-style: solid;\n\t\t}\n\t}\n\n\t&[class*="arrow_n"] {\n\t\t&::before,\n\t\t&::after {\n\t\t\tborder-width: 0 var(--ck-balloon-arrow-half-width) var(--ck-balloon-arrow-height) var(--ck-balloon-arrow-half-width);\n\t\t}\n\n\t\t&::before {\n\t\t\tborder-color: transparent transparent var(--ck-color-panel-border) transparent;\n\t\t}\n\n\t\t&::after {\n\t\t\tborder-color: transparent transparent var(--ck-color-panel-background) transparent;\n\t\t\tmargin-top: var(--ck-balloon-arrow-offset);\n\t\t}\n\t}\n\n\t&[class*="arrow_s"] {\n\t\t&::before,\n\t\t&::after {\n\t\t\tborder-width: var(--ck-balloon-arrow-height) var(--ck-balloon-arrow-half-width) 0 var(--ck-balloon-arrow-half-width);\n\t\t}\n\n\t\t&::before {\n\t\t\tborder-color: var(--ck-color-panel-border) transparent transparent;\n\t\t\tfilter: drop-shadow(var(--ck-balloon-arrow-drop-shadow));\n\t\t}\n\n\t\t&::after {\n\t\t\tborder-color: var(--ck-color-panel-background) transparent transparent transparent;\n\t\t\tmargin-bottom: var(--ck-balloon-arrow-offset);\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_n {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: 50%;\n\t\t\tmargin-left: calc(-1 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_nw {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_ne {\n\t\t&::before,\n\t\t&::after {\n\t\t\tright: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_s {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: 50%;\n\t\t\tmargin-left: calc(-1 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_sw {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_se {\n\t\t&::before,\n\t\t&::after {\n\t\t\tright: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_sme {\n\t\t&::before,\n\t\t&::after {\n\t\t\tright: 25%;\n\t\t\tmargin-right: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_smw {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: 25%;\n\t\t\tmargin-left: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_nme {\n\t\t&::before,\n\t\t&::after {\n\t\t\tright: 25%;\n\t\t\tmargin-right: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_nmw {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: 25%;\n\t\t\tmargin-left: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n"],sourceRoot:""}]);const a=s},1757:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck .ck-balloon-rotator__navigation{display:flex;align-items:center;justify-content:center}.ck .ck-balloon-rotator__content .ck-toolbar{justify-content:center}.ck .ck-balloon-rotator__navigation{background:var(--ck-color-toolbar-background);border-bottom:1px solid var(--ck-color-toolbar-border);padding:0 var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation>*{margin-right:var(--ck-spacing-small);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation .ck-balloon-rotator__counter{margin-right:var(--ck-spacing-standard);margin-left:var(--ck-spacing-small)}.ck .ck-balloon-rotator__content .ck.ck-annotation-wrapper{box-shadow:none}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/balloonrotator.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/balloonrotator.css"],names:[],mappings:"AAKA,oCACC,YAAa,CACb,kBAAmB,CACnB,sBACD,CAKA,6CACC,sBACD,CCXA,oCACC,6CAA8C,CAC9C,sDAAuD,CACvD,iCAgBD,CAbC,sCACC,oCAAqC,CACrC,kCAAmC,CACnC,qCACD,CAGA,iEACC,uCAAwC,CAGxC,mCACD,CAMA,2DACC,eACD",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck .ck-balloon-rotator__navigation {\n\tdisplay: flex;\n\talign-items: center;\n\tjustify-content: center;\n}\n\n/* Buttons inside a toolbar should be centered when rotator bar is wider.\n * See: https://github.com/ckeditor/ckeditor5-ui/issues/495\n */\n.ck .ck-balloon-rotator__content .ck-toolbar {\n\tjustify-content: center;\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck .ck-balloon-rotator__navigation {\n\tbackground: var(--ck-color-toolbar-background);\n\tborder-bottom: 1px solid var(--ck-color-toolbar-border);\n\tpadding: 0 var(--ck-spacing-small);\n\n\t/* Let's keep similar appearance to `ck-toolbar`. */\n\t& > * {\n\t\tmargin-right: var(--ck-spacing-small);\n\t\tmargin-top: var(--ck-spacing-small);\n\t\tmargin-bottom: var(--ck-spacing-small);\n\t}\n\n\t/* Gives counter more breath than buttons. */\n\t& .ck-balloon-rotator__counter {\n\t\tmargin-right: var(--ck-spacing-standard);\n\n\t\t/* We need to use smaller margin because of previous button's right margin. */\n\t\tmargin-left: var(--ck-spacing-small);\n\t}\n}\n\n.ck .ck-balloon-rotator__content {\n\n\t/* Disable default annotation shadow inside rotator with fake panels. */\n\t& .ck.ck-annotation-wrapper {\n\t\tbox-shadow: none;\n\t}\n}\n"],sourceRoot:""}]);const a=s},3553:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck .ck-fake-panel{position:absolute;z-index:calc(var(--ck-z-modal) - 1)}.ck .ck-fake-panel div{position:absolute}.ck .ck-fake-panel div:first-child{z-index:2}.ck .ck-fake-panel div:nth-child(2){z-index:1}:root{--ck-balloon-fake-panel-offset-horizontal:6px;--ck-balloon-fake-panel-offset-vertical:6px}.ck .ck-fake-panel div{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck .ck-fake-panel div:nth-child(3){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*3);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*3)}.ck .ck-balloon-panel_arrow_s+.ck-fake-panel,.ck .ck-balloon-panel_arrow_se+.ck-fake-panel,.ck .ck-balloon-panel_arrow_sw+.ck-fake-panel{--ck-balloon-fake-panel-offset-vertical:-6px}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/fakepanel.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/fakepanel.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css"],names:[],mappings:"AAKA,mBACC,iBAAkB,CAGlB,mCACD,CAEA,uBACC,iBACD,CAEA,mCACC,SACD,CAEA,oCACC,SACD,CCfA,MACC,6CAA8C,CAC9C,2CACD,CAGA,uBCJC,oCAA8B,CDO9B,eAAgB,CAEhB,2CAA4C,CAC5C,6CAA8C,CAC9C,qCAAsC,CAEtC,UAAW,CACX,WACD,CAEA,mCACC,0DAA2D,CAC3D,uDACD,CAEA,oCACC,kEAAqE,CACrE,+DACD,CACA,oCACC,kEAAqE,CACrE,+DACD,CAGA,yIAGC,4CACD",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck .ck-fake-panel {\n\tposition: absolute;\n\n\t/* Fake panels should be placed under main balloon content. */\n\tz-index: calc(var(--ck-z-modal) - 1);\n}\n\n.ck .ck-fake-panel div {\n\tposition: absolute;\n}\n\n.ck .ck-fake-panel div:nth-child( 1 ) {\n\tz-index: 2;\n}\n\n.ck .ck-fake-panel div:nth-child( 2 ) {\n\tz-index: 1;\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_shadow.css";\n\n:root {\n\t--ck-balloon-fake-panel-offset-horizontal: 6px;\n\t--ck-balloon-fake-panel-offset-vertical: 6px;\n}\n\n/* Let\'s use `.ck-balloon-panel` appearance. See: balloonpanel.css. */\n.ck .ck-fake-panel div {\n\t@mixin ck-drop-shadow;\n\n\tmin-height: 15px;\n\n\tbackground: var(--ck-color-panel-background);\n\tborder: 1px solid var(--ck-color-panel-border);\n\tborder-radius: var(--ck-border-radius);\n\n\twidth: 100%;\n\theight: 100%;\n}\n\n.ck .ck-fake-panel div:nth-child( 1 ) {\n\tmargin-left: var(--ck-balloon-fake-panel-offset-horizontal);\n\tmargin-top: var(--ck-balloon-fake-panel-offset-vertical);\n}\n\n.ck .ck-fake-panel div:nth-child( 2 ) {\n\tmargin-left: calc(var(--ck-balloon-fake-panel-offset-horizontal) * 2);\n\tmargin-top: calc(var(--ck-balloon-fake-panel-offset-vertical) * 2);\n}\n.ck .ck-fake-panel div:nth-child( 3 ) {\n\tmargin-left: calc(var(--ck-balloon-fake-panel-offset-horizontal) * 3);\n\tmargin-top: calc(var(--ck-balloon-fake-panel-offset-vertical) * 3);\n}\n\n/* If balloon is positioned above element, we need to move fake panel to the top. */\n.ck .ck-balloon-panel_arrow_s + .ck-fake-panel,\n.ck .ck-balloon-panel_arrow_se + .ck-fake-panel,\n.ck .ck-balloon-panel_arrow_sw + .ck-fake-panel {\n\t--ck-balloon-fake-panel-offset-vertical: -6px;\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n"],sourceRoot:""}]);const a=s},3609:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-sticky-panel .ck-sticky-panel__content_sticky{z-index:var(--ck-z-modal);position:fixed;top:0}.ck.ck-sticky-panel .ck-sticky-panel__content_sticky_bottom-limit{top:auto;position:absolute}.ck.ck-sticky-panel .ck-sticky-panel__content_sticky{box-shadow:var(--ck-drop-shadow),0 0;border-width:0 1px 1px;border-top-left-radius:0;border-top-right-radius:0}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/stickypanel.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/stickypanel.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css"],names:[],mappings:"AAMC,qDACC,yBAA0B,CAC1B,cAAe,CACf,KACD,CAEA,kEACC,QAAS,CACT,iBACD,CCPA,qDCCA,oCAA8B,CDE7B,sBAAuB,CACvB,wBAAyB,CACzB,yBACD",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-sticky-panel {\n\t& .ck-sticky-panel__content_sticky {\n\t\tz-index: var(--ck-z-modal); /* #315 */\n\t\tposition: fixed;\n\t\ttop: 0;\n\t}\n\n\t& .ck-sticky-panel__content_sticky_bottom-limit {\n\t\ttop: auto;\n\t\tposition: absolute;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_shadow.css";\n\n.ck.ck-sticky-panel {\n\t& .ck-sticky-panel__content_sticky {\n\t\t@mixin ck-drop-shadow;\n\n\t\tborder-width: 0 1px 1px;\n\t\tborder-top-left-radius: 0;\n\t\tborder-top-right-radius: 0;\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n"],sourceRoot:""}]);const a=s},1590:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,'.ck-vertical-form .ck-button:after{content:"";width:0;position:absolute;right:-1px;top:var(--ck-spacing-small);bottom:var(--ck-spacing-small);z-index:1}@media screen and (max-width:600px){.ck.ck-responsive-form .ck-button:after{content:"";width:0;position:absolute;right:-1px;top:var(--ck-spacing-small);bottom:var(--ck-spacing-small);z-index:1}}.ck-vertical-form>.ck-button:nth-last-child(2):after{border-right:1px solid var(--ck-color-base-border)}.ck.ck-responsive-form{padding:var(--ck-spacing-large)}.ck.ck-responsive-form:focus{outline:none}[dir=ltr] .ck.ck-responsive-form>:not(:first-child),[dir=rtl] .ck.ck-responsive-form>:not(:last-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-responsive-form{padding:0;width:calc(var(--ck-input-width)*0.8)}.ck.ck-responsive-form .ck-labeled-field-view{margin:var(--ck-spacing-large) var(--ck-spacing-large) 0}.ck.ck-responsive-form .ck-labeled-field-view .ck-input-text{min-width:0;width:100%}.ck.ck-responsive-form .ck-labeled-field-view .ck-labeled-field-view__error{white-space:normal}.ck.ck-responsive-form>.ck-button:last-child,.ck.ck-responsive-form>.ck-button:nth-last-child(2){padding:var(--ck-spacing-standard);margin-top:var(--ck-spacing-large);border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border)}[dir=ltr] .ck.ck-responsive-form>.ck-button:last-child,[dir=ltr] .ck.ck-responsive-form>.ck-button:nth-last-child(2),[dir=rtl] .ck.ck-responsive-form>.ck-button:last-child,[dir=rtl] .ck.ck-responsive-form>.ck-button:nth-last-child(2){margin-left:0}.ck.ck-responsive-form>.ck-button:nth-last-child(2):after,[dir=rtl] .ck.ck-responsive-form>.ck-button:last-child:last-of-type,[dir=rtl] .ck.ck-responsive-form>.ck-button:nth-last-child(2):last-of-type{border-right:1px solid var(--ck-color-base-border)}}',"",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/responsive-form/responsiveform.css","webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/responsive-form/responsiveform.css"],names:[],mappings:"AAOA,mCACC,UAAW,CACX,OAAQ,CACR,iBAAkB,CAClB,UAAW,CACX,2BAA4B,CAC5B,8BAA+B,CAC/B,SACD,CCTC,oCDaC,wCACC,UAAW,CACX,OAAQ,CACR,iBAAkB,CAClB,UAAW,CACX,2BAA4B,CAC5B,8BAA+B,CAC/B,SACD,CCnBD,CCAD,qDACC,kDACD,CAEA,uBACC,+BAkED,CAhEC,6BAEC,YACD,CASC,uGACC,sCACD,CDvBD,oCCMD,uBAqBE,SAAU,CACV,qCA6CF,CA3CE,8CACC,wDAWD,CATC,6DACC,WAAY,CACZ,UACD,CAGA,4EACC,kBACD,CAID,iGAEC,kCAAmC,CACnC,kCAAmC,CAEnC,eAAgB,CAChB,QAAS,CACT,gDAaD,CApBA,0OAcE,aAMF,CAGC,yMACC,kDACD,CDpEF",sourcesContent:['/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css";\n\n.ck-vertical-form .ck-button::after {\n\tcontent: "";\n\twidth: 0;\n\tposition: absolute;\n\tright: -1px;\n\ttop: var(--ck-spacing-small);\n\tbottom: var(--ck-spacing-small);\n\tz-index: 1;\n}\n\n.ck.ck-responsive-form {\n\t@mixin ck-media-phone {\n\t\t& .ck-button::after {\n\t\t\tcontent: "";\n\t\t\twidth: 0;\n\t\t\tposition: absolute;\n\t\t\tright: -1px;\n\t\t\ttop: var(--ck-spacing-small);\n\t\t\tbottom: var(--ck-spacing-small);\n\t\t\tz-index: 1;\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@define-mixin ck-media-phone {\n\t@media screen and (max-width: 600px) {\n\t\t@mixin-content;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n.ck-vertical-form > .ck-button:nth-last-child(2)::after {\n\tborder-right: 1px solid var(--ck-color-base-border);\n}\n\n.ck.ck-responsive-form {\n\tpadding: var(--ck-spacing-large);\n\n\t&:focus {\n\t\t/* See: https://github.com/ckeditor/ckeditor5/issues/4773 */\n\t\toutline: none;\n\t}\n\n\t@mixin ck-dir ltr {\n\t\t& > :not(:first-child) {\n\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t}\n\t}\n\n\t@mixin ck-dir rtl {\n\t\t& > :not(:last-child) {\n\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t}\n\t}\n\n\t@mixin ck-media-phone {\n\t\tpadding: 0;\n\t\twidth: calc(.8 * var(--ck-input-width));\n\n\t\t& .ck-labeled-field-view {\n\t\t\tmargin: var(--ck-spacing-large) var(--ck-spacing-large) 0;\n\n\t\t\t& .ck-input-text {\n\t\t\t\tmin-width: 0;\n\t\t\t\twidth: 100%;\n\t\t\t}\n\n\t\t\t/* Let the long error messages wrap in the narrow form. */\n\t\t\t& .ck-labeled-field-view__error {\n\t\t\t\twhite-space: normal;\n\t\t\t}\n\t\t}\n\n\t\t/* Styles for two last buttons in the form (save&cancel, edit&unlink, etc.). */\n\t\t& > .ck-button:nth-last-child(1),\n\t\t& > .ck-button:nth-last-child(2) {\n\t\t\tpadding: var(--ck-spacing-standard);\n\t\t\tmargin-top: var(--ck-spacing-large);\n\n\t\t\tborder-radius: 0;\n\t\t\tborder: 0;\n\t\t\tborder-top: 1px solid var(--ck-color-base-border);\n\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tmargin-left: 0;\n\n\t\t\t\t&:last-of-type {\n\t\t\t\t\tborder-right: 1px solid var(--ck-color-base-border);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t& > .ck-button:nth-last-child(2) {\n\t\t\t&::after {\n\t\t\t\tborder-right: 1px solid var(--ck-color-base-border);\n\t\t\t}\n\t\t}\n\t}\n}\n'],sourceRoot:""}]);const a=s},6706:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-block-toolbar-button{position:absolute;z-index:var(--ck-z-default)}:root{--ck-color-block-toolbar-button:var(--ck-color-text);--ck-block-toolbar-button-size:var(--ck-font-size-normal)}.ck.ck-block-toolbar-button{color:var(--ck-color-block-toolbar-button);font-size:var(--ck-block-toolbar-size)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/toolbar/blocktoolbar.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/toolbar/blocktoolbar.css"],names:[],mappings:"AAKA,4BACC,iBAAkB,CAClB,2BACD,CCHA,MACC,oDAAqD,CACrD,yDACD,CAEA,4BACC,0CAA2C,CAC3C,sCACD",sourcesContent:["/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-block-toolbar-button {\n\tposition: absolute;\n\tz-index: var(--ck-z-default);\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-color-block-toolbar-button: var(--ck-color-text);\n\t--ck-block-toolbar-button-size: var(--ck-font-size-normal);\n}\n\n.ck.ck-block-toolbar-button {\n\tcolor: var(--ck-color-block-toolbar-button);\n\tfont-size: var(--ck-block-toolbar-size);\n}\n"],sourceRoot:""}]);const a=s},5571:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,".ck.ck-toolbar{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-flow:row nowrap;align-items:center}.ck.ck-toolbar>.ck-toolbar__items{display:flex;flex-flow:row wrap;align-items:center;flex-grow:1}.ck.ck-toolbar .ck.ck-toolbar__separator{display:inline-block}.ck.ck-toolbar .ck.ck-toolbar__separator:first-child,.ck.ck-toolbar .ck.ck-toolbar__separator:last-child{display:none}.ck.ck-toolbar .ck-toolbar__line-break{flex-basis:100%}.ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items{flex-wrap:nowrap}.ck.ck-toolbar.ck-toolbar_vertical>.ck-toolbar__items{flex-direction:column}.ck.ck-toolbar.ck-toolbar_floating>.ck-toolbar__items{flex-wrap:nowrap}.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown>.ck-dropdown__button .ck-dropdown__arrow{display:none}.ck.ck-toolbar{border-radius:0}.ck-rounded-corners .ck.ck-toolbar,.ck.ck-toolbar.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-toolbar{background:var(--ck-color-toolbar-background);padding:0 var(--ck-spacing-small);border:1px solid var(--ck-color-toolbar-border)}.ck.ck-toolbar .ck.ck-toolbar__separator{align-self:stretch;width:1px;min-width:1px;background:var(--ck-color-toolbar-border);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck.ck-toolbar .ck-toolbar__line-break{height:0}.ck.ck-toolbar>.ck-toolbar__items>:not(.ck-toolbar__line-break){margin-right:var(--ck-spacing-small)}.ck.ck-toolbar>.ck-toolbar__items:empty+.ck.ck-toolbar__separator{display:none}.ck.ck-toolbar>.ck-toolbar__items>:not(.ck-toolbar__line-break),.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown{margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck.ck-toolbar.ck-toolbar_vertical{padding:0}.ck.ck-toolbar.ck-toolbar_vertical>.ck-toolbar__items>.ck{width:100%;margin:0;border-radius:0;border:0}.ck.ck-toolbar.ck-toolbar_compact{padding:0}.ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>*{margin:0}.ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>:not(:first-child):not(:last-child){border-radius:0}.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown>.ck.ck-button.ck-dropdown__button{padding-left:var(--ck-spacing-tiny)}.ck-toolbar-container .ck.ck-toolbar{border:0}.ck.ck-toolbar[dir=rtl]>.ck-toolbar__items>.ck,[dir=rtl] .ck.ck-toolbar>.ck-toolbar__items>.ck{margin-right:0}.ck.ck-toolbar[dir=rtl]:not(.ck-toolbar_compact)>.ck-toolbar__items>.ck,[dir=rtl] .ck.ck-toolbar:not(.ck-toolbar_compact)>.ck-toolbar__items>.ck{margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=rtl]>.ck-toolbar__items>.ck:last-child,[dir=rtl] .ck.ck-toolbar>.ck-toolbar__items>.ck:last-child{margin-left:0}.ck.ck-toolbar[dir=rtl].ck-toolbar_compact>.ck-toolbar__items>.ck:first-child,[dir=rtl] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:first-child{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-toolbar[dir=rtl].ck-toolbar_compact>.ck-toolbar__items>.ck:last-child,[dir=rtl] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:last-child{border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-toolbar[dir=rtl]>.ck.ck-toolbar__separator,[dir=rtl] .ck.ck-toolbar>.ck.ck-toolbar__separator{margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=rtl].ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child),[dir=rtl] .ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child){margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=ltr]>.ck-toolbar__items>.ck:last-child,[dir=ltr] .ck.ck-toolbar>.ck-toolbar__items>.ck:last-child{margin-right:0}.ck.ck-toolbar[dir=ltr].ck-toolbar_compact>.ck-toolbar__items>.ck:first-child,[dir=ltr] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-toolbar[dir=ltr].ck-toolbar_compact>.ck-toolbar__items>.ck:last-child,[dir=ltr] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:last-child{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-toolbar[dir=ltr]>.ck.ck-toolbar__separator,[dir=ltr] .ck.ck-toolbar>.ck.ck-toolbar__separator{margin-right:var(--ck-spacing-small)}.ck.ck-toolbar[dir=ltr].ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child),[dir=ltr] .ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child){margin-right:var(--ck-spacing-small)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/toolbar/toolbar.css","webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_unselectable.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/toolbar/toolbar.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css"],names:[],mappings:"AAOA,eCEC,qBAAsB,CACtB,wBAAyB,CACzB,oBAAqB,CACrB,gBAAgB,CDFhB,YAAa,CACb,oBAAqB,CACrB,kBA6CD,CA3CC,kCACC,YAAa,CACb,kBAAmB,CACnB,kBAAmB,CACnB,WAED,CAEA,yCACC,oBAWD,CAJC,yGAEC,YACD,CAGD,uCACC,eACD,CAEA,sDACC,gBACD,CAEA,sDACC,qBACD,CAEA,sDACC,gBACD,CAGC,yFACC,YACD,CE/CF,eCGC,eD0FD,CA7FA,qECOE,qCDsFF,CA7FA,eAGC,6CAA8C,CAC9C,iCAAkC,CAClC,+CAwFD,CAtFC,yCACC,kBAAmB,CACnB,SAAU,CACV,aAAc,CACd,yCAA0C,CAM1C,kCAAmC,CACnC,qCACD,CAEA,uCACC,QACD,CAGC,gEAEC,oCACD,CAIA,kEACC,YACD,CAGD,gHAGC,kCAAmC,CACnC,qCACD,CAEA,mCAEC,SAgBD,CAbC,0DAEC,UAAW,CAGX,QAAS,CAGT,eAAgB,CAGhB,QACD,CAGD,kCAEC,SAWD,CATC,uDAEC,QAMD,CAHC,yFACC,eACD,CASD,kFACC,mCACD,CAvFF,qCA2FE,QAEF,CAYC,+FACC,cACD,CAEA,iJAEC,mCACD,CAEA,qHACC,aACD,CAIC,6JACC,wBAAyB,CACzB,2BACD,CAGA,2JACC,yBAA0B,CAC1B,4BACD,CAID,qGACC,mCACD,CAGA,yLACC,mCACD,CAWA,qHACC,cACD,CAIC,6JACC,yBAA0B,CAC1B,4BACD,CAGA,2JACC,wBAAyB,CACzB,2BACD,CAID,qGACC,oCACD,CAGA,yLACC,oCACD",sourcesContent:['/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../mixins/_unselectable.css";\n\n.ck.ck-toolbar {\n\t@mixin ck-unselectable;\n\n\tdisplay: flex;\n\tflex-flow: row nowrap;\n\talign-items: center;\n\n\t& > .ck-toolbar__items {\n\t\tdisplay: flex;\n\t\tflex-flow: row wrap;\n\t\talign-items: center;\n\t\tflex-grow: 1;\n\n\t}\n\n\t& .ck.ck-toolbar__separator {\n\t\tdisplay: inline-block;\n\n\t\t/*\n\t\t * A leading or trailing separator makes no sense (separates from nothing on one side).\n\t\t * For instance, it can happen when toolbar items (also separators) are getting grouped one by one and\n\t\t * moved to another toolbar in the dropdown.\n\t\t */\n\t\t&:first-child,\n\t\t&:last-child {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n\n\t& .ck-toolbar__line-break {\n\t\tflex-basis: 100%;\n\t}\n\n\t&.ck-toolbar_grouping > .ck-toolbar__items {\n\t\tflex-wrap: nowrap;\n\t}\n\n\t&.ck-toolbar_vertical > .ck-toolbar__items {\n\t\tflex-direction: column;\n\t}\n\n\t&.ck-toolbar_floating > .ck-toolbar__items {\n\t\tflex-wrap: nowrap;\n\t}\n\n\t& > .ck.ck-toolbar__grouped-dropdown {\n\t\t& > .ck-dropdown__button .ck-dropdown__arrow {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Makes element unselectable.\n */\n@define-mixin ck-unselectable {\n\t-moz-user-select: none;\n\t-webkit-user-select: none;\n\t-ms-user-select: none;\n\tuser-select: none\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n.ck.ck-toolbar {\n\t@mixin ck-rounded-corners;\n\n\tbackground: var(--ck-color-toolbar-background);\n\tpadding: 0 var(--ck-spacing-small);\n\tborder: 1px solid var(--ck-color-toolbar-border);\n\n\t& .ck.ck-toolbar__separator {\n\t\talign-self: stretch;\n\t\twidth: 1px;\n\t\tmin-width: 1px;\n\t\tbackground: var(--ck-color-toolbar-border);\n\n\t\t/*\n\t\t * These margins make the separators look better in balloon toolbars (when aligned with the "tip").\n\t\t * See https://github.com/ckeditor/ckeditor5/issues/7493.\n\t\t */\n\t\tmargin-top: var(--ck-spacing-small);\n\t\tmargin-bottom: var(--ck-spacing-small);\n\t}\n\n\t& .ck-toolbar__line-break {\n\t\theight: 0;\n\t}\n\n\t& > .ck-toolbar__items {\n\t\t& > *:not(.ck-toolbar__line-break) {\n\t\t\t/* (#11) Separate toolbar items. */\n\t\t\tmargin-right: var(--ck-spacing-small);\n\t\t}\n\n\t\t/* Don\'t display a separator after an empty items container, for instance,\n\t\twhen all items were grouped */\n\t\t&:empty + .ck.ck-toolbar__separator {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n\n\t& > .ck-toolbar__items > *:not(.ck-toolbar__line-break),\n\t& > .ck.ck-toolbar__grouped-dropdown {\n\t\t/* Make sure items wrapped to the next line have v-spacing */\n\t\tmargin-top: var(--ck-spacing-small);\n\t\tmargin-bottom: var(--ck-spacing-small);\n\t}\n\n\t&.ck-toolbar_vertical {\n\t\t/* Items in a vertical toolbar span the entire width. */\n\t\tpadding: 0;\n\n\t\t/* Specificity matters here. See https://github.com/ckeditor/ckeditor5-theme-lark/issues/168. */\n\t\t& > .ck-toolbar__items > .ck {\n\t\t\t/* Items in a vertical toolbar should span the horizontal space. */\n\t\t\twidth: 100%;\n\n\t\t\t/* Items in a vertical toolbar should have no margin. */\n\t\t\tmargin: 0;\n\n\t\t\t/* Items in a vertical toolbar span the entire width so rounded corners are pointless. */\n\t\t\tborder-radius: 0;\n\n\t\t\t/* Items in a vertical toolbar span the entire width so any border is pointless. */\n\t\t\tborder: 0;\n\t\t}\n\t}\n\n\t&.ck-toolbar_compact {\n\t\t/* No spacing around items. */\n\t\tpadding: 0;\n\n\t\t& > .ck-toolbar__items > * {\n\t\t\t/* Compact toolbar items have no spacing between them. */\n\t\t\tmargin: 0;\n\n\t\t\t/* "Middle" children should have no rounded corners. */\n\t\t\t&:not(:first-child):not(:last-child) {\n\t\t\t\tborder-radius: 0;\n\t\t\t}\n\t\t}\n\t}\n\n\t& > .ck.ck-toolbar__grouped-dropdown {\n\t\t/*\n\t\t * Dropdown button has asymmetric padding to fit the arrow.\n\t\t * This button has no arrow so let\'s revert that padding back to normal.\n\t\t */\n\t\t& > .ck.ck-button.ck-dropdown__button {\n\t\t\tpadding-left: var(--ck-spacing-tiny);\n\t\t}\n\t}\n\n\t@nest .ck-toolbar-container & {\n\t\tborder: 0;\n\t}\n}\n\n/* stylelint-disable */\n\n/*\n * Styles for RTL toolbars.\n *\n * Note: In some cases (e.g. a decoupled editor), the toolbar has its own "dir"\n * because its parent is not controlled by the editor framework.\n */\n[dir="rtl"] .ck.ck-toolbar,\n.ck.ck-toolbar[dir="rtl"] {\n\t& > .ck-toolbar__items > .ck {\n\t\tmargin-right: 0;\n\t}\n\n\t&:not(.ck-toolbar_compact) > .ck-toolbar__items > .ck {\n\t\t/* (#11) Separate toolbar items. */\n\t\tmargin-left: var(--ck-spacing-small);\n\t}\n\n\t& > .ck-toolbar__items > .ck:last-child {\n\t\tmargin-left: 0;\n\t}\n\n\t&.ck-toolbar_compact > .ck-toolbar__items > .ck {\n\t\t/* No rounded corners on the right side of the first child. */\n\t\t&:first-child {\n\t\t\tborder-top-left-radius: 0;\n\t\t\tborder-bottom-left-radius: 0;\n\t\t}\n\n\t\t/* No rounded corners on the left side of the last child. */\n\t\t&:last-child {\n\t\t\tborder-top-right-radius: 0;\n\t\t\tborder-bottom-right-radius: 0;\n\t\t}\n\t}\n\n\t/* Separate the the separator form the grouping dropdown when some items are grouped. */\n\t& > .ck.ck-toolbar__separator {\n\t\tmargin-left: var(--ck-spacing-small);\n\t}\n\n\t/* Some spacing between the items and the separator before the grouped items dropdown. */\n\t&.ck-toolbar_grouping > .ck-toolbar__items:not(:empty):not(:only-child) {\n\t\tmargin-left: var(--ck-spacing-small);\n\t}\n}\n\n/*\n * Styles for LTR toolbars.\n *\n * Note: In some cases (e.g. a decoupled editor), the toolbar has its own "dir"\n * because its parent is not controlled by the editor framework.\n */\n[dir="ltr"] .ck.ck-toolbar,\n.ck.ck-toolbar[dir="ltr"] {\n\t& > .ck-toolbar__items > .ck:last-child {\n\t\tmargin-right: 0;\n\t}\n\n\t&.ck-toolbar_compact > .ck-toolbar__items > .ck {\n\t\t/* No rounded corners on the right side of the first child. */\n\t\t&:first-child {\n\t\t\tborder-top-right-radius: 0;\n\t\t\tborder-bottom-right-radius: 0;\n\t\t}\n\n\t\t/* No rounded corners on the left side of the last child. */\n\t\t&:last-child {\n\t\t\tborder-top-left-radius: 0;\n\t\t\tborder-bottom-left-radius: 0;\n\t\t}\n\t}\n\n\t/* Separate the the separator form the grouping dropdown when some items are grouped. */\n\t& > .ck.ck-toolbar__separator {\n\t\tmargin-right: var(--ck-spacing-small);\n\t}\n\n\t/* Some spacing between the items and the separator before the grouped items dropdown. */\n\t&.ck-toolbar_grouping > .ck-toolbar__items:not(:empty):not(:only-child) {\n\t\tmargin-right: var(--ck-spacing-small);\n\t}\n}\n\n/* stylelint-enable */\n',"/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);const a=s},9948:(t,e,n)=>{"use strict";n.d(e,{Z:()=>a});var o=n(4015),i=n.n(o),r=n(3645),s=n.n(r)()(i());s.push([t.id,'.ck.ck-tooltip,.ck.ck-tooltip .ck-tooltip__text:after{position:absolute;pointer-events:none;-webkit-backface-visibility:hidden}.ck.ck-tooltip{visibility:hidden;opacity:0;display:none;z-index:var(--ck-z-modal)}.ck.ck-tooltip .ck-tooltip__text{display:inline-block}.ck.ck-tooltip .ck-tooltip__text:after{content:"";width:0;height:0}:root{--ck-tooltip-arrow-size:5px}.ck.ck-tooltip{left:50%;top:0;transition:opacity .2s ease-in-out .2s}.ck.ck-tooltip .ck-tooltip__text{border-radius:0}.ck-rounded-corners .ck.ck-tooltip .ck-tooltip__text,.ck.ck-tooltip .ck-tooltip__text.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-tooltip .ck-tooltip__text{font-size:.9em;line-height:1.5;color:var(--ck-color-tooltip-text);padding:var(--ck-spacing-small) var(--ck-spacing-medium);background:var(--ck-color-tooltip-background);position:relative;left:-50%}.ck.ck-tooltip .ck-tooltip__text:after{transition:opacity .2s ease-in-out .2s;border-style:solid;left:50%}.ck.ck-tooltip.ck-tooltip_s,.ck.ck-tooltip.ck-tooltip_se,.ck.ck-tooltip.ck-tooltip_sw{bottom:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateY(100%)}.ck.ck-tooltip.ck-tooltip_s .ck-tooltip__text:after,.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text:after,.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text:after{top:calc(var(--ck-tooltip-arrow-size)*-1 + 1px);transform:translateX(-50%);border-left-color:transparent;border-bottom-color:var(--ck-color-tooltip-background);border-right-color:transparent;border-top-color:transparent;border-left-width:var(--ck-tooltip-arrow-size);border-bottom-width:var(--ck-tooltip-arrow-size);border-right-width:var(--ck-tooltip-arrow-size);border-top-width:0}.ck.ck-tooltip.ck-tooltip_sw{right:50%;left:auto}.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text{left:auto;right:calc(var(--ck-tooltip-arrow-size)*-2)}.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text:after{left:auto;right:0}.ck.ck-tooltip.ck-tooltip_se{left:50%;right:auto}.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text{right:auto;left:calc(var(--ck-tooltip-arrow-size)*-2)}.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text:after{right:auto;left:0;transform:translateX(50%)}.ck.ck-tooltip.ck-tooltip_n{top:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateY(-100%)}.ck.ck-tooltip.ck-tooltip_n .ck-tooltip__text:after{bottom:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateX(-50%);border-left-color:transparent;border-bottom-color:transparent;border-right-color:transparent;border-top-color:var(--ck-color-tooltip-background);border-left-width:var(--ck-tooltip-arrow-size);border-bottom-width:0;border-right-width:var(--ck-tooltip-arrow-size);border-top-width:var(--ck-tooltip-arrow-size)}.ck.ck-tooltip.ck-tooltip_e{left:calc(100% + var(--ck-tooltip-arrow-size));top:50%}.ck.ck-tooltip.ck-tooltip_e .ck-tooltip__text{left:0;transform:translateY(-50%)}.ck.ck-tooltip.ck-tooltip_e .ck-tooltip__text:after{left:calc(var(--ck-tooltip-arrow-size)*-1);top:calc(50% - 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-tooltip,\n.ck.ck-tooltip .ck-tooltip__text::after {\n\tposition: absolute;\n\n\t/* Without this, hovering the tooltip could keep it visible. */\n\tpointer-events: none;\n\n\t/* This is to get rid of flickering when transitioning opacity in Chrome.\n\tIt\'s weird but it works. */\n\t-webkit-backface-visibility: hidden;\n}\n\n.ck.ck-tooltip {\n\t/* Tooltip is hidden by default. */\n\tvisibility: hidden;\n\topacity: 0;\n\tdisplay: none;\n\tz-index: var(--ck-z-modal);\n\n\t& .ck-tooltip__text {\n\t\tdisplay: inline-block;\n\n\t\t&::after {\n\t\t\tcontent: "";\n\t\t\twidth: 0;\n\t\t\theight: 0;\n\t\t}\n\t}\n}\n','/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n\n:root {\n\t--ck-tooltip-arrow-size: 5px;\n}\n\n.ck.ck-tooltip {\n\tleft: 50%;\n\n\t/*\n\t * Prevent blurry tooltips in LoDPI environments.\n\t * See https://github.com/ckeditor/ckeditor5/issues/1802.\n\t */\n\ttop: 0;\n\n\t/*\n\t * For the transition to work, the tooltip must be controlled\n\t * using visibility+opacity. 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43%);\n\n\t--ck-color-switch-button-off-background:\t\t\t\t\thsl(0, 0%, 69%);\n\t--ck-color-switch-button-off-hover-background:\t\t\t\thsl(0, 0%, 64%);\n\t--ck-color-switch-button-on-background:\t\t\t\t\t\tvar(--ck-color-button-action-background);\n\t--ck-color-switch-button-on-hover-background:\t\t\t\thsl(104, 44%, 43%);\n\t--ck-color-switch-button-inner-background:\t\t\t\t\tvar(--ck-color-base-background);\n\t--ck-color-switch-button-inner-shadow:\t\t\t\t\t\thsla(0, 0%, 0%, 0.1);\n\n\t/* -- Dropdown ------------------------------------------------------------------------------ */\n\n\t--ck-color-dropdown-panel-background: \t\t\t\t\t\tvar(--ck-color-base-background);\n\t--ck-color-dropdown-panel-border: \t\t\t\t\t\t\tvar(--ck-color-base-border);\n\n\t/* -- Input --------------------------------------------------------------------------------- */\n\n\t--ck-color-input-background: \t\t\t\t\t\t\t\tvar(--ck-color-base-background);\n\t--ck-color-input-border: \t\t\t\t\t\t\t\t\thsl(0, 0%, 78%);\n\t--ck-color-input-error-border:\t\t\t\t\t\t\t\tvar(--ck-color-base-error);\n\t--ck-color-input-text: \t\t\t\t\t\t\t\t\t\tvar(--ck-color-base-text);\n\t--ck-color-input-disabled-background: \t\t\t\t\t\thsl(0, 0%, 95%);\n\t--ck-color-input-disabled-border: \t\t\t\t\t\t\thsl(0, 0%, 78%);\n\t--ck-color-input-disabled-text: \t\t\t\t\t\t\thsl(0, 0%, 46%);\n\n\t/* -- List ---------------------------------------------------------------------------------- */\n\n\t--ck-color-list-background: \t\t\t\t\t\t\t\tvar(--ck-color-base-background);\n\t--ck-color-list-button-hover-background: \t\t\t\t\tvar(--ck-color-button-default-hover-background);\n\t--ck-color-list-button-on-background: \t\t\t\t\t\tvar(--ck-color-base-active);\n\t--ck-color-list-button-on-background-focus: \t\t\t\tvar(--ck-color-base-active-focus);\n\t--ck-color-list-button-on-text:\t\t\t\t\t\t\t\tvar(--ck-color-base-background);\n\n\t/* -- Panel --------------------------------------------------------------------------------- */\n\n\t--ck-color-panel-background: \t\t\t\t\t\t\t\tvar(--ck-color-base-background);\n\t--ck-color-panel-border: \t\t\t\t\t\t\t\t\tvar(--ck-color-base-border);\n\n\t/* -- Toolbar ------------------------------------------------------------------------------- */\n\n\t--ck-color-toolbar-background: \t\t\t\t\t\t\t\tvar(--ck-color-base-foreground);\n\t--ck-color-toolbar-border: \t\t\t\t\t\t\t\t\tvar(--ck-color-base-border);\n\n\t/* -- Tooltip ------------------------------------------------------------------------------- */\n\n\t--ck-color-tooltip-background: \t\t\t\t\t\t\t\tvar(--ck-color-base-text);\n\t--ck-color-tooltip-text: \t\t\t\t\t\t\t\t\tvar(--ck-color-base-background);\n\n\t/* -- Engine -------------------------------------------------------------------------------- */\n\n\t--ck-color-engine-placeholder-text: \t\t\t\t\t\thsl(0, 0%, 44%);\n\n\t/* -- Upload -------------------------------------------------------------------------------- */\n\n\t--ck-color-upload-bar-background:\t\t \t\t\t\t\thsl(209, 92%, 70%);\n\n\t/* -- Link -------------------------------------------------------------------------------- */\n\n\t--ck-color-link-default:\t\t\t\t\t\t\t\t\thsl(240, 100%, 47%);\n\t--ck-color-link-selected-background:\t\t\t\t\t\thsla(201, 100%, 56%, 0.1);\n\t--ck-color-link-fake-selection:\t\t\t\t\t\t\t\thsla(201, 100%, 56%, 0.3);\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t/**\n\t * An opacity value of disabled UI item.\n\t */\n\t--ck-disabled-opacity: .5;\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t/**\n\t * The geometry of the of focused element's outer shadow.\n\t */\n\t--ck-focus-outer-shadow-geometry: 0 0 0 3px;\n\n\t/**\n\t * A visual style of focused element's outer shadow.\n\t */\n\t--ck-focus-outer-shadow: var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-outer-shadow);\n\n\t/**\n\t * A visual style of focused element's outer shadow (when disabled).\n\t */\n\t--ck-focus-disabled-outer-shadow: var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-disabled-shadow);\n\n\t/**\n\t * A visual style of focused element's outer shadow (when has errors).\n\t */\n\t--ck-focus-error-outer-shadow: var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-error-shadow);\n\n\t/**\n\t * A visual style of focused element's border or outline.\n\t */\n\t--ck-focus-ring: 1px solid var(--ck-color-focus-border);\n}\n","/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-font-size-base: 13px;\n\t--ck-line-height-base: 1.84615;\n\t--ck-font-face: Helvetica, Arial, Tahoma, Verdana, Sans-Serif;\n\n\t--ck-font-size-tiny: 0.7em;\n\t--ck-font-size-small: 0.75em;\n\t--ck-font-size-normal: 1em;\n\t--ck-font-size-big: 1.4em;\n\t--ck-font-size-large: 1.8em;\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t/* This is super-important. This is **manually** adjusted so a button without an icon\n\tis never smaller than a button with icon, additionally making sure that text-less buttons\n\tare perfect squares. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-color-resizer: var(--ck-color-focus-border);\n\t--ck-color-resizer-tooltip-background: hsl(0, 0%, 15%);\n\t--ck-color-resizer-tooltip-text: hsl(0, 0%, 95%);\n\n\t--ck-resizer-border-radius: var(--ck-border-radius);\n\t--ck-resizer-tooltip-offset: 10px;\n\t--ck-resizer-tooltip-height: calc(var(--ck-spacing-small) * 2 + 10px);\n}\n\n.ck .ck-widget {\n\t/* This is neccessary for type around UI to be positioned properly. */\n\tposition: relative;\n}\n\n.ck .ck-widget.ck-widget_with-selection-handle {\n\t/* Make the widget wrapper a relative positioning container for the drag handle. */\n\tposition: relative;\n\n\t& .ck-widget__selection-handle {\n\t\tposition: absolute;\n\n\t\t& .ck-icon {\n\t\t\t/* Make sure the icon in not a subject to font-size or line-height to avoid\n\t\t\tunnecessary spacing around it. */\n\t\t\tdisplay: block;\n\t\t}\n\t}\n\n\t/* Show the selection handle on mouse hover over the widget, but not for nested widgets. */\n\t&:hover > .ck-widget__selection-handle {\n\t\tvisibility: visible;\n\t}\n\n\t/* Show the selection handle when the widget is selected, but not for nested widgets. */\n\t&.ck-widget_selected > .ck-widget__selection-handle {\n\t\tvisibility: visible;\n\t}\n}\n\n.ck .ck-size-view {\n\tbackground: var(--ck-color-resizer-tooltip-background);\n\tcolor: var(--ck-color-resizer-tooltip-text);\n\tborder: 1px solid var(--ck-color-resizer-tooltip-text);\n\tborder-radius: var(--ck-resizer-border-radius);\n\tfont-size: var(--ck-font-size-tiny);\n\tdisplay: block;\n\tpadding: 0 var(--ck-spacing-small);\n\theight: var(--ck-resizer-tooltip-height);\n\tline-height: var(--ck-resizer-tooltip-height);\n\n\t&.ck-orientation-top-left,\n\t&.ck-orientation-top-right,\n\t&.ck-orientation-bottom-right,\n\t&.ck-orientation-bottom-left,\n\t&.ck-orientation-above-center {\n\t\tposition: absolute;\n\t}\n\n\t&.ck-orientation-top-left {\n\t\ttop: var(--ck-resizer-tooltip-offset);\n\t\tleft: var(--ck-resizer-tooltip-offset);\n\t}\n\n\t&.ck-orientation-top-right {\n\t\ttop: var(--ck-resizer-tooltip-offset);\n\t\tright: var(--ck-resizer-tooltip-offset);\n\t}\n\n\t&.ck-orientation-bottom-right {\n\t\tbottom: var(--ck-resizer-tooltip-offset);\n\t\tright: var(--ck-resizer-tooltip-offset);\n\t}\n\n\t&.ck-orientation-bottom-left {\n\t\tbottom: var(--ck-resizer-tooltip-offset);\n\t\tleft: var(--ck-resizer-tooltip-offset);\n\t}\n\n\t/* Class applied if the widget is too small to contain the size label */\n\t&.ck-orientation-above-center {\n\t\ttop: calc(var(--ck-resizer-tooltip-height) * -1);\n\t\tleft: 50%;\n\t\ttransform: translate(-50%);\n\t}\n}\n",'/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. 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* Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck .ck-widget {\n\t/*\n\t * Styles of the type around buttons\n\t */\n\t& .ck-widget__type-around__button {\n\t\tdisplay: block;\n\t\tposition: absolute;\n\t\toverflow: hidden;\n\t\tz-index: var(--ck-z-default);\n\n\t\t& svg {\n\t\t\tposition: absolute;\n\t\t\ttop: 50%;\n\t\t\tleft: 50%;\n\t\t\tz-index: calc(var(--ck-z-default) + 2);\n\t\t}\n\n\t\t&.ck-widget__type-around__button_before {\n\t\t\t/* Place it in the middle of the outline */\n\t\t\ttop: calc(-0.5 * var(--ck-widget-outline-thickness));\n\t\t\tleft: min(10%, 30px);\n\n\t\t\ttransform: translateY(-50%);\n\t\t}\n\n\t\t&.ck-widget__type-around__button_after {\n\t\t\t/* Place it in the middle of the outline */\n\t\t\tbottom: calc(-0.5 * var(--ck-widget-outline-thickness));\n\t\t\tright: min(10%, 30px);\n\n\t\t\ttransform: translateY(50%);\n\t\t}\n\t}\n\n\t/*\n\t * Styles for the buttons when:\n\t * - the widget is selected,\n\t * - or the button is being hovered (regardless of the widget state).\n\t */\n\t&.ck-widget_selected > .ck-widget__type-around > .ck-widget__type-around__button,\n\t& > .ck-widget__type-around > .ck-widget__type-around__button:hover {\n\t\t&::after {\n\t\t\tcontent: "";\n\t\t\tdisplay: block;\n\t\t\tposition: absolute;\n\t\t\ttop: 1px;\n\t\t\tleft: 1px;\n\t\t\tz-index: calc(var(--ck-z-default) + 1);\n\t\t}\n\t}\n\n\t/*\n\t * Styles for the horizontal "fake caret" which is displayed when the user navigates using the keyboard.\n\t */\n\t& > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\n\t\tdisplay: none;\n\t\tposition: absolute;\n\t\tleft: 0;\n\t\tright: 0;\n\t}\n\n\t/*\n\t * When the widget is hovered the "fake caret" would normally be narrower than the\n\t * extra outline displayed around the widget. Let\'s extend the "fake caret" to match\n\t * the full width of the widget.\n\t */\n\t&:hover > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\n\t\tleft: calc( -1 * var(--ck-widget-outline-thickness) );\n\t\tright: calc( -1 * var(--ck-widget-outline-thickness) );\n\t}\n\n\t/*\n\t * Styles for the horizontal "fake caret" when it should be displayed before the widget (backward keyboard navigation).\n\t */\n\t&.ck-widget_type-around_show-fake-caret_before > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\n\t\ttop: calc( -1 * var(--ck-widget-outline-thickness) - 1px );\n\t\tdisplay: block;\n\t}\n\n\t/*\n\t * Styles for the horizontal "fake caret" when it should be displayed after the widget (forward keyboard navigation).\n\t */\n\t&.ck-widget_type-around_show-fake-caret_after > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\n\t\tbottom: calc( -1 * var(--ck-widget-outline-thickness) - 1px );\n\t\tdisplay: block;\n\t}\n}\n\n/*\n * Integration with the read-only mode of the editor.\n */\n.ck.ck-editor__editable.ck-read-only .ck-widget__type-around {\n\tdisplay: none;\n}\n\n/*\n * Integration with the restricted editing mode (feature) of the editor.\n */\n.ck.ck-editor__editable.ck-restricted-editing_mode_restricted .ck-widget__type-around {\n\tdisplay: none;\n}\n\n/*\n * Integration with the #isEnabled property of the WidgetTypeAround plugin.\n */\n.ck.ck-editor__editable.ck-widget__type-around_disabled .ck-widget__type-around {\n\tdisplay: none;\n}\n','/*\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-widget-type-around-button-size: 20px;\n\t--ck-color-widget-type-around-button-active: var(--ck-color-focus-border);\n\t--ck-color-widget-type-around-button-hover: var(--ck-color-widget-hover-border);\n\t--ck-color-widget-type-around-button-blurred-editable: var(--ck-color-widget-blurred-border);\n\t--ck-color-widget-type-around-button-radar-start-alpha: 0;\n\t--ck-color-widget-type-around-button-radar-end-alpha: .3;\n\t--ck-color-widget-type-around-button-icon: var(--ck-color-base-background);\n}\n\n@define-mixin ck-widget-type-around-button-visible {\n\topacity: 1;\n\tpointer-events: auto;\n}\n\n@define-mixin ck-widget-type-around-button-hidden {\n\topacity: 0;\n\tpointer-events: none;\n}\n\n.ck .ck-widget {\n\t/*\n\t * Styles of the type around buttons\n\t */\n\t& .ck-widget__type-around__button {\n\t\twidth: var(--ck-widget-type-around-button-size);\n\t\theight: var(--ck-widget-type-around-button-size);\n\t\tbackground: var(--ck-color-widget-type-around-button);\n\t\tborder-radius: 100px;\n\t\ttransition: opacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve), background var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);\n\n\t\t@mixin ck-widget-type-around-button-hidden;\n\n\t\t& svg {\n\t\t\twidth: 10px;\n\t\t\theight: 8px;\n\t\t\ttransform: translate(-50%,-50%);\n\t\t\ttransition: transform .5s ease;\n\t\t\tmargin-top: 1px;\n\n\t\t\t& * {\n\t\t\t\tstroke-dasharray: 10;\n\t\t\t\tstroke-dashoffset: 0;\n\n\t\t\t\tfill: none;\n\t\t\t\tstroke: var(--ck-color-widget-type-around-button-icon);\n\t\t\t\tstroke-width: 1.5px;\n\t\t\t\tstroke-linecap: round;\n\t\t\t\tstroke-linejoin: round;\n\t\t\t}\n\n\t\t\t& line {\n\t\t\t\tstroke-dasharray: 7;\n\t\t\t}\n\t\t}\n\n\t\t&:hover {\n\t\t\t/*\n\t\t\t * Display the "sonar" around the button when hovered.\n\t\t\t */\n\t\t\tanimation: ck-widget-type-around-button-sonar 1s ease infinite;\n\n\t\t\t/*\n\t\t\t * Animate active button\'s icon.\n\t\t\t */\n\t\t\t& svg {\n\t\t\t\t& polyline {\n\t\t\t\t\tanimation: ck-widget-type-around-arrow-dash 2s linear;\n\t\t\t\t}\n\n\t\t\t\t& line {\n\t\t\t\t\tanimation: ck-widget-type-around-arrow-tip-dash 2s linear;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/*\n\t * Show type around buttons when the widget gets selected or being hovered.\n\t */\n\t&.ck-widget_selected,\n\t&:hover {\n\t\t& > .ck-widget__type-around > .ck-widget__type-around__button {\n\t\t\t@mixin ck-widget-type-around-button-visible;\n\t\t}\n\t}\n\n\t/*\n\t * Styles for the buttons when the widget is NOT selected (but the buttons are visible\n\t * and still can be hovered).\n\t */\n\t&:not(.ck-widget_selected) > .ck-widget__type-around > .ck-widget__type-around__button {\n\t\tbackground: var(--ck-color-widget-type-around-button-hover);\n\t}\n\n\t/*\n\t * Styles for the buttons when:\n\t * - the widget is selected,\n\t * - or the button is being hovered (regardless of the widget state).\n\t */\n\t&.ck-widget_selected > .ck-widget__type-around > .ck-widget__type-around__button,\n\t& > .ck-widget__type-around > .ck-widget__type-around__button:hover {\n\t\tbackground: var(--ck-color-widget-type-around-button-active);\n\n\t\t&::after {\n\t\t\twidth: calc(var(--ck-widget-type-around-button-size) - 2px);\n\t\t\theight: calc(var(--ck-widget-type-around-button-size) - 2px);\n\t\t\tborder-radius: 100px;\n\t\t\tbackground: linear-gradient(135deg, hsla(0,0%,100%,0) 0%, hsla(0,0%,100%,.3) 100%);\n\t\t}\n\t}\n\n\t/*\n\t * Styles for the "before" button when the widget has a selection handle. 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n,o,i=0;for(n=t.length-1;n>=0;n--)"text"!==(o=t[n]).type||i||e.test(o.content)&&(o.content=o.content.replace(/\+-/g,"±").replace(/\.{2,}/g,"…").replace(/([?!])…/g,"$1..").replace(/([?!]){4,}/g,"$1$1$1").replace(/,{2,}/g,",").replace(/(^|[^-])---(?=[^-]|$)/gm,"$1—").replace(/(^|\s)--(?=\s|$)/gm,"$1–").replace(/(^|[^-\s])--(?=[^-\s]|$)/gm,"$1–")),"link_open"===o.type&&"auto"===o.info&&i--,"link_close"===o.type&&"auto"===o.info&&i++}t.exports=function(t){var o;if(t.md.options.typographer)for(o=t.tokens.length-1;o>=0;o--)"inline"===t.tokens[o].type&&(n.test(t.tokens[o].content)&&s(t.tokens[o].children),e.test(t.tokens[o].content)&&a(t.tokens[o].children))}},8450:(t,e,n)=>{"use strict";var o=n(7022).isWhiteSpace,i=n(7022).isPunctChar,r=n(7022).isMdAsciiPunct,s=/['"]/,a=/['"]/g;function c(t,e,n){return t.substr(0,e)+n+t.substr(e+1)}function l(t,e){var n,s,l,d,u,h,p,m,g,f,b,k,w,_,C,A,v,y,x,E,D;for(x=[],n=0;n<t.length;n++){for(s=t[n],p=t[n].level,v=x.length-1;v>=0&&!(x[v].level<=p);v--);if(x.length=v+1,"text"===s.type){u=0,h=(l=s.content).length;t:for(;u<h&&(a.lastIndex=u,d=a.exec(l));){if(C=A=!0,u=d.index+1,y="'"===d[0],g=32,d.index-1>=0)g=l.charCodeAt(d.index-1);else for(v=n-1;v>=0&&("softbreak"!==t[v].type&&"hardbreak"!==t[v].type);v--)if(t[v].content){g=t[v].content.charCodeAt(t[v].content.length-1);break}if(f=32,u<h)f=l.charCodeAt(u);else for(v=n+1;v<t.length&&("softbreak"!==t[v].type&&"hardbreak"!==t[v].type);v++)if(t[v].content){f=t[v].content.charCodeAt(0);break}if(b=r(g)||i(String.fromCharCode(g)),k=r(f)||i(String.fromCharCode(f)),w=o(g),(_=o(f))?C=!1:k&&(w||b||(C=!1)),w?A=!1:b&&(_||k||(A=!1)),34===f&&'"'===d[0]&&g>=48&&g<=57&&(A=C=!1),C&&A&&(C=b,A=k),C||A){if(A)for(v=x.length-1;v>=0&&(m=x[v],!(x[v].level<p));v--)if(m.single===y&&x[v].level===p){m=x[v],y?(E=e.md.options.quotes[2],D=e.md.options.quotes[3]):(E=e.md.options.quotes[0],D=e.md.options.quotes[1]),s.content=c(s.content,d.index,D),t[m.token].content=c(t[m.token].content,m.pos,E),u+=D.length-1,m.token===n&&(u+=E.length-1),h=(l=s.content).length,x.length=v;continue t}C?x.push({token:n,pos:d.index,single:y,level:p}):A&&y&&(s.content=c(s.content,d.index,"’"))}else y&&(s.content=c(s.content,d.index,"’"))}}}}t.exports=function(t){var 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n,o,a,c,l,d,u,h,p,m=t,g=!0,f=!0,b=this.posMax,k=this.src.charCodeAt(t);for(n=t>0?this.src.charCodeAt(t-1):32;m<b&&this.src.charCodeAt(m)===k;)m++;return a=m-t,o=m<b?this.src.charCodeAt(m):32,u=s(n)||r(String.fromCharCode(n)),p=s(o)||r(String.fromCharCode(o)),d=i(n),(h=i(o))?g=!1:p&&(d||u||(g=!1)),d?f=!1:u&&(h||p||(f=!1)),e?(c=g,l=f):(c=g&&(!f||u),l=f&&(!g||p)),{can_open:c,can_close:l,length:a}},a.prototype.Token=o,t.exports=a},4814:t=>{"use strict";function e(t,e){var n,o,i,r,s,a=[],c=e.length;for(n=0;n<c;n++)126===(i=e[n]).marker&&-1!==i.end&&(r=e[i.end],(s=t.tokens[i.token]).type="s_open",s.tag="s",s.nesting=1,s.markup="~~",s.content="",(s=t.tokens[r.token]).type="s_close",s.tag="s",s.nesting=-1,s.markup="~~",s.content="","text"===t.tokens[r.token-1].type&&"~"===t.tokens[r.token-1].content&&a.push(r.token-1));for(;a.length;){for(o=(n=a.pop())+1;o<t.tokens.length&&"s_close"===t.tokens[o].type;)o++;n!==--o&&(s=t.tokens[o],t.tokens[o]=t.tokens[n],t.tokens[n]=s)}}t.exports.w=function(t,e){var n,o,i,r,s=t.pos,a=t.src.charCodeAt(s);if(e)return!1;if(126!==a)return!1;if(i=(o=t.scanDelims(t.pos,!0)).length,r=String.fromCharCode(a),i<2)return!1;for(i%2&&(t.push("text","",0).content=r,i--),n=0;n<i;n+=2)t.push("text","",0).content=r+r,t.delimiters.push({marker:a,length:0,token:t.tokens.length-1,end:-1,open:o.can_open,close:o.can_close});return t.pos+=o.length,!0},t.exports.g=function(t){var n,o=t.tokens_meta,i=t.tokens_meta.length;for(e(t,t.delimiters),n=0;n<i;n++)o[n]&&o[n].delimiters&&e(t,o[n].delimiters)}},9941:t=>{"use strict";function e(t){switch(t){case 10:case 33:case 35:case 36:case 37:case 38:case 42:case 43:case 45:case 58:case 60:case 61:case 62:case 64:case 91:case 92:case 93:case 94:case 95:case 96:case 123:case 125:case 126:return!0;default:return!1}}t.exports=function(t,n){for(var o=t.pos;o<t.posMax&&!e(t.src.charCodeAt(o));)o++;return o!==t.pos&&(n||(t.pending+=t.src.slice(t.pos,o)),t.pos=o,!0)}},8996:t=>{"use strict";t.exports=function(t){var e,n,o=0,i=t.tokens,r=t.tokens.length;for(e=n=0;e<r;e++)i[e].nesting<0&&o--,i[e].level=o,i[e].nesting>0&&o++,"text"===i[e].type&&e+1<r&&"text"===i[e+1].type?i[e+1].content=i[e].content+i[e+1].content:(e!==n&&(i[n]=i[e]),n++);e!==n&&(i.length=n)}},5872:t=>{"use strict";function 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reaterGreater":"≫","NestedLessLess":"≪","NewLine":"\\n","nexist":"∄","nexists":"∄","Nfr":"𝔑","nfr":"𝔫","ngE":"≧̸","nge":"≱","ngeq":"≱","ngeqq":"≧̸","ngeqslant":"⩾̸","nges":"⩾̸","nGg":"⋙̸","ngsim":"≵","nGt":"≫⃒","ngt":"≯","ngtr":"≯","nGtv":"≫̸","nharr":"↮","nhArr":"⇎","nhpar":"⫲","ni":"∋","nis":"⋼","nisd":"⋺","niv":"∋","NJcy":"Њ","njcy":"њ","nlarr":"↚","nlArr":"⇍","nldr":"‥","nlE":"≦̸","nle":"≰","nleftarrow":"↚","nLeftarrow":"⇍","nleftrightarrow":"↮","nLeftrightarrow":"⇎","nleq":"≰","nleqq":"≦̸","nleqslant":"⩽̸","nles":"⩽̸","nless":"≮","nLl":"⋘̸","nlsim":"≴","nLt":"≪⃒","nlt":"≮","nltri":"⋪","nltrie":"⋬","nLtv":"≪̸","nmid":"∤","NoBreak":"⁠","NonBreakingSpace":" ","nopf":"𝕟","Nopf":"ℕ","Not":"⫬","not":"¬","NotCongruent":"≢","NotCupCap":"≭","NotDoubleVerticalBar":"∦","NotElement":"∉","NotEqual":"≠","NotEqualTilde":"≂̸","NotExists":"∄","NotGreater":"≯","NotGreaterEqual":"≱","NotGreaterFullEqual":"≧̸","NotGreaterGreater":"≫̸","NotGreaterLess":"≹","NotGreaterSlantEqual":"⩾̸","NotGreaterTilde":"≵","NotHumpDownHump":"≎̸","NotHumpEqual":"≏̸","notin":"∉","notindot":"⋵̸","notinE":"⋹̸","notinva":"∉","notinvb":"⋷","notinvc":"⋶","NotLeftTriangleBar":"⧏̸","NotLeftTriangle":"⋪","NotLeftTriangleEqual":"⋬","NotLess":"≮","NotLessEqual":"≰","NotLessGreater":"≸","NotLessLess":"≪̸","NotLessSlantEqual":"⩽̸","NotLessTilde":"≴","NotNestedGreaterGreater":"⪢̸","NotNestedLessLess":"⪡̸","notni":"∌","notniva":"∌","notnivb":"⋾","notnivc":"⋽","NotPrecedes":"⊀","NotPrecedesEqual":"⪯̸","NotPrecedesSlantEqual":"⋠","NotReverseElement":"∌","NotRightTriangleBar":"⧐̸","NotRightTriangle":"⋫","NotRightTriangleEqual":"⋭","NotSquareSubset":"⊏̸","NotSquareSubsetEqual":"⋢","NotSquareSuperset":"⊐̸","NotSquareSupersetEqual":"⋣","NotSubset":"⊂⃒","NotSubsetEqual":"⊈","NotSucceeds":"⊁","NotSucceedsEqual":"⪰̸","NotSucceedsSlantEqual":"⋡","NotSucceedsTilde":"≿̸","NotSuperset":"⊃⃒","NotSupersetEqual":"⊉","NotTilde":"≁","NotTildeEqual":"≄","NotTildeFullEqual":"≇","NotTildeTilde":"≉","NotVerticalBar":"∤","nparallel":"∦","npar":"∦","nparsl":"⫽⃥","npart":"∂̸","npolint":"⨔","npr":"⊀","nprcue":"⋠","nprec":"⊀","npreceq":"⪯̸","npre":"⪯̸","nrarrc":"⤳̸","nrarr":"↛","nrArr":"⇏","nrarrw":"↝̸","nrightarrow":"↛","nRightarrow":"⇏","nrtri":"⋫","nrtrie":"⋭","nsc":"⊁","nsccue":"⋡","nsce":"⪰̸","Nscr":"𝒩","nscr":"𝓃","nshortmid":"∤","nshortparallel":"∦","nsim":"≁","nsime":"≄","nsimeq":"≄","nsmid":"∤","nspar":"∦","nsqsube":"⋢","nsqsupe":"⋣","nsub":"⊄","nsubE":"⫅̸","nsube":"⊈","nsubset":"⊂⃒","nsubseteq":"⊈","nsubseteqq":"⫅̸","nsucc":"⊁","nsucceq":"⪰̸","nsup":"⊅","nsupE":"⫆̸","nsupe":"⊉","nsupset":"⊃⃒","nsupseteq":"⊉","nsupseteqq":"⫆̸","ntgl":"≹","Ntilde":"Ñ","ntilde":"ñ","ntlg":"≸","ntriangleleft":"⋪","ntrianglelefteq":"⋬","ntriangleright":"⋫","ntrianglerighteq":"⋭","Nu":"Ν","nu":"ν","num":"#","numero":"№","numsp":" ","nvap":"≍⃒","nvdash":"⊬","nvDash":"⊭","nVdash":"⊮","nVDash":"⊯","nvge":"≥⃒","nvgt":">⃒","nvHarr":"⤄","nvinfin":"⧞","nvlArr":"⤂","nvle":"≤⃒","nvlt":"<⃒","nvltrie":"⊴⃒","nvrArr":"⤃","nvrtrie":"⊵⃒","nvsim":"∼⃒","nwarhk":"⤣","nwarr":"↖","nwArr":"⇖","nwarrow":"↖","nwnear":"⤧","Oacute":"Ó","oacute":"ó","oast":"⊛","Ocirc":"Ô","ocirc":"ô","ocir":"⊚","Ocy":"О","ocy":"о","odash":"⊝","Odblac":"Ő","odblac":"ő","odiv":"⨸","odot":"⊙","odsold":"⦼","OElig":"Œ","oelig":"œ","ofcir":"⦿","Ofr":"𝔒","ofr":"𝔬","ogon":"˛","Ograve":"Ò","ograve":"ò","ogt":"⧁","ohbar":"⦵","ohm":"Ω","oint":"∮","olarr":"↺","olcir":"⦾","olcross":"⦻","oline":"‾","olt":"⧀","Omacr":"Ō","omacr":"ō","Omega":"Ω","omega":"ω","Omicron":"Ο","omicron":"ο","omid":"⦶","ominus":"⊖","Oopf":"𝕆","oopf":"𝕠","opar":"⦷","OpenCurlyDoubleQuote":"“","OpenCurlyQuote":"‘","operp":"⦹","oplus":"⊕","orarr":"↻","Or":"⩔","or":"∨","ord":"⩝","order":"ℴ","orderof":"ℴ","ordf":"ª","ordm":"º","origof":"⊶","oror":"⩖","orslope":"⩗","orv":"⩛","oS":"Ⓢ","Oscr":"𝒪","oscr":"ℴ","Oslash":"Ø","oslash":"ø","osol":"⊘","Otilde":"Õ","otilde":"õ","otimesas":"⨶","Otimes":"⨷","otimes":"⊗","Ouml":"Ö","ouml":"ö","ovbar":"⌽","OverBar":"‾","OverBrace":"⏞","OverBracket":"⎴","OverParenthesis":"⏜","para":"¶","parallel":"∥","par":"∥","parsim":"⫳","parsl":"⫽","part":"∂","PartialD":"∂","Pcy":"П","pcy":"п","percnt":"%","period":".","permil":"‰","perp":"⊥","pertenk":"‱","Pfr":"𝔓","pfr":"𝔭","Phi":"Φ","phi":"φ","phiv":"ϕ","phmmat":"ℳ","phone":"☎","Pi":"Π","pi":"π","pitchfork":"⋔","piv":"ϖ","planck":"ℏ","planckh":"ℎ","plankv":"ℏ","plusacir":"⨣","plusb":"⊞","pluscir":"⨢","plus":"+","plusdo":"∔","plusdu":"⨥","pluse":"⩲","PlusMinus":"±","plusmn":"±","plussim":"⨦","plustwo":"⨧","pm":"±","Poincareplane":"ℌ","pointint":"⨕","popf":"𝕡","Popf":"ℙ","pound":"£","prap":"⪷","Pr":"⪻","pr":"≺","prcue":"≼","precapprox":"⪷","prec":"≺","preccurlyeq":"≼","Precedes":"≺","PrecedesEqual":"⪯","PrecedesSlantEqual":"≼","PrecedesTilde":"≾","preceq":"⪯","precnapprox":"⪹","precneqq":"⪵","precnsim":"⋨","pre":"⪯","prE":"⪳","precsim":"≾","prime":"′","Prime":"″","primes":"ℙ","prnap":"⪹","prnE":"⪵","prnsim":"⋨","prod":"∏","Product":"∏","profalar":"⌮","profline":"⌒","profsurf":"⌓","prop":"∝","Proportional":"∝","Pr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Lo(t,e.data):e))}(this.document,e);for(const e of o)null!==e.parent&&e._remove(),e.parent=this,e.document=this.document,this._children.splice(t,0,e),t++,n++;return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n<t+e;n++)this._children[n].parent=null;return this._children.splice(t,e)}_setAttribute(t,e){e=String(e),this._fireChange("attributes",this),"class"==t?Ii(this._classes,e):"style"==t?this._styles.setTo(e):this._attrs.set(t,e)}_removeAttribute(t){return this._fireChange("attributes",this),"class"==t?this._classes.size>0&&(this._classes.clear(),!0):"style"==t?!this._styles.isEmpty&&(this._styles.clear(),!0):this._attrs.delete(t)}_addClass(t){this._fireChange("attributes",this);for(const e of To(t))this._classes.add(e)}_removeClass(t){this._fireChange("attributes",this);for(const e of To(t))this._classes.delete(e)}_setStyle(t,e){this._fireChange("attributes",this),this._styles.set(t,e)}_removeStyle(t){this._fireChange("attributes",this);for(const e of To(t))this._styles.remove(e)}_setCustomProperty(t,e){this._customProperties.set(t,e)}_removeCustomProperty(t){return this._customProperties.delete(t)}}function Ii(t,e){const n=e.split(/\s+/);t.clear(),n.forEach((e=>t.add(e)))}class Ri extends Pi{constructor(t,e,n,o){super(t,e,n,o),this.getFillerOffset=zi}is(t,e=null){return e?e===this.name&&("containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t):"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}}function zi(){const t=[...this.getChildren()],e=t[this.childCount-1];if(e&&e.is("element","br"))return this.childCount;for(const e of t)if(!e.is("uiElement"))return null;return this.childCount}class Fi extends Ri{constructor(t,e,n,o){super(t,e,n,o),this.set("isReadOnly",!1),this.set("isFocused",!1),this.bind("isReadOnly").to(t),this.bind("isFocused").to(t,"isFocused",(e=>e&&t.selection.editableElement==this)),this.listenTo(t.selection,"change",(()=>{this.isFocused=t.isFocused&&t.selection.editableElement==this}))}is(t,e=null){return e?e===this.name&&("editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t):"editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}destroy(){this.stopListening()}}he(Fi,se);const Ni=Symbol("rootName");class Oi extends Fi{constructor(t,e){super(t,e),this.rootName="main"}is(t,e=null){return e?e===this.name&&("rootElement"===t||"view:rootElement"===t||"editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t):"rootElement"===t||"view:rootElement"===t||"editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}get rootName(){return this.getCustomProperty(Ni)}set rootName(t){this._setCustomProperty(Ni,t)}set _name(t){this.name=t}}class Mi{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new s("view-tree-walker-no-start-position",null);if(t.direction&&"forward"!=t.direction&&"backward"!=t.direction)throw new s("view-tree-walker-unknown-direction",t.startPosition,{direction:t.direction});this.boundaries=t.boundaries||null,t.startPosition?this.position=Vi._createAt(t.startPosition):this.position=Vi._createAt(t.boundaries["backward"==t.direction?"end":"start"]),this.direction=t.direction||"forward",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}skip(t){let e,n,o;do{o=this.position,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&t.offset===n.childCount)return{done:!0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};let o;if(n instanceof Lo){if(t.isAtEnd)return this.position=Vi._createAfter(n),this._next();o=n.data[t.offset]}else o=n.getChild(t.offset);if(o instanceof Pi)return this.shallow?t.offset++:t=new Vi(o,0),this.position=t,this._formatReturnValue("elementStart",o,e,t,1);if(o instanceof Lo){if(this.singleCharacters)return t=new Vi(o,0),this.position=t,this._next();{let n,i=o.data.length;return o==this._boundaryEndParent?(i=this.boundaries.end.offset,n=new Ho(o,0,i),t=Vi._createAfter(n)):(n=new Ho(o,0,o.data.length),t.offset++),this.position=t,this._formatReturnValue("text",n,e,t,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{o=(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-t.offset}const i=new Ho(n,t.offset,o);return t.offset+=o,this.position=t,this._formatReturnValue("text",i,e,t,o)}return t=Vi._createAfter(n),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,e,t)}_previous(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let o;if(n instanceof Lo){if(t.isAtStart)return this.position=Vi._createBefore(n),this._previous();o=n.data[t.offset-1]}else o=n.getChild(t.offset-1);if(o instanceof Pi)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",o,e,t,1)):(t=new Vi(o,o.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",o,e,t));if(o instanceof Lo){if(this.singleCharacters)return t=new Vi(o,o.data.length),this.position=t,this._previous();{let n,i=o.data.length;if(o==this._boundaryStartParent){const e=this.boundaries.start.offset;n=new Ho(o,e,o.data.length-e),i=n.data.length,t=Vi._createBefore(n)}else n=new Ho(o,0,o.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",n,e,t,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;o=t.offset-e}t.offset-=o;const i=new Ho(n,t.offset,o);return this.position=t,this._formatReturnValue("text",i,e,t,o)}return t=Vi._createBefore(n),this.position=t,this._formatReturnValue("elementStart",n,e,t,1)}_formatReturnValue(t,e,n,o,i){return e instanceof Ho&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=Vi._createAfter(e.textNode):(o=Vi._createAfter(e.textNode),this.position=o)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=Vi._createBefore(e.textNode):(o=Vi._createBefore(e.textNode),this.position=o))),{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}}class Vi{constructor(t,e){this.parent=t,this.offset=e}get nodeAfter(){return this.parent.is("$text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("$text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const t=this.parent.is("$text")?this.parent.data.length:this.parent.childCount;return this.offset===t}get root(){return this.parent.root}get editableElement(){let t=this.parent;for(;!(t instanceof Fi);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=Vi._createAt(this),n=e.offset+t;return e.offset=n<0?0:n,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new Mi(e);return n.skip(t),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let o=0;for(;e[o]==n[o]&&e[o];)o++;return 0===o?null:e[o-1]}is(t){return"position"===t||"view:position"===t}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return"before"==this.compareWith(t)}isAfter(t){return"after"==this.compareWith(t)}compareWith(t){if(this.root!==t.root)return"different";if(this.isEqual(t))return"same";const e=this.parent.is("node")?this.parent.getPath():[],n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),n.push(t.offset);const o=Oo(e,n);switch(o){case"prefix":return"before";case"extension":return"after";default:return e[o]<n[o]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new Mi(t)}clone(){return new Vi(this.parent,this.offset)}static _createAt(t,e){if(t instanceof Vi)return new this(t.parent,t.offset);{const n=t;if("end"==e)e=n.is("$text")?n.data.length:n.childCount;else{if("before"==e)return this._createBefore(n);if("after"==e)return this._createAfter(n);if(0!==e&&!e)throw new s("view-createpositionat-offset-required",n)}return new Vi(n,e)}}static _createAfter(t){if(t.is("$textProxy"))return new Vi(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new s("view-position-after-root",t,{root:t});return new Vi(t.parent,t.index+1)}static _createBefore(t){if(t.is("$textProxy"))return new Vi(t.textNode,t.offsetInText);if(!t.parent)throw new s("view-position-before-root",t,{root:t});return new Vi(t.parent,t.index)}}class Li{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Mi({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(Hi,{direction:"backward"}),e=this.end.getLastMatchingPosition(Hi);return t.parent.is("$text")&&t.isAtStart&&(t=Vi._createBefore(t.parent)),e.parent.is("$text")&&e.isAtEnd&&(e=Vi._createAfter(e.parent)),new Li(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(Hi);if(t.isAfter(this.end)||t.isEqual(this.end))return new Li(t,t);let e=this.end.getLastMatchingPosition(Hi,{direction:"backward"});const n=t.nodeAfter,o=e.nodeBefore;return n&&n.is("$text")&&(t=new Vi(n,0)),o&&o.is("$text")&&(e=new Vi(o,o.data.length)),new Li(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),o=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&o}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Li(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Li(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new Li(e,n)}return null}getWalker(t={}){return t.boundaries=this,new Mi(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let t=this.start.nodeAfter,e=this.end.nodeBefore;return this.start.parent.is("$text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(t=this.start.parent.nextSibling),this.end.parent.is("$text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(e=this.end.parent.previousSibling),t&&t.is("element")&&t===e?t:null}clone(){return new Li(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Mi(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Mi(t);yield e.position;for(const t of e)yield t.nextPosition}is(t){return"range"===t||"view:range"===t}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,n,o){return new this(new Vi(t,e),new Vi(n,o))}static _createFromPositionAndShift(t,e){const n=t,o=t.getShiftedBy(e);return e>0?new this(n,o):new this(o,n)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("$textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(Vi._createBefore(t),e)}}function Hi(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function qi(t){let e=0;for(const n of t)e++;return e}class Wi{constructor(t=null,e,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const o of t._ranges)if(e.isEqual(o)){n=!0;break}if(!n)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=qi(this.getRanges());if(e!=qi(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let n=!1;for(let o of t.getRanges())if(o=o.getTrimmed(),e.start.isEqual(o.start)&&e.end.isEqual(o.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof Wi||t instanceof ji)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof Li)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Vi)this._setRanges([new Li(t)]),this._setFakeOptions(e);else if(t instanceof Vo){const o=!!n&&!!n.backward;let i;if(void 0===e)throw new s("view-selection-setto-required-second-parameter",this);i="in"==e?Li._createIn(t):"on"==e?Li._createOn(t):new Li(Vi._createAt(t,e)),this._setRanges([i],o),this._setFakeOptions(n)}else{if(!Do(t))throw new s("view-selection-setto-not-selectable",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new s("view-selection-setfocus-no-ranges",this);const n=Vi._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.pop(),"before"==n.compareWith(o)?this._addRange(new Li(n,o),!0):this._addRange(new Li(o,n)),this.fire("change")}is(t){return"selection"===t||"view:selection"===t}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof Li))throw new s("view-selection-add-range-not-range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new s("view-selection-range-intersects",this,{addedRange:t,intersectingRange:e});this._ranges.push(new Li(t.start,t.end))}}he(Wi,g);class ji{constructor(t=null,e,n){this._selection=new Wi,this._selection.delegate("change").to(this),this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return"selection"===t||"documentSelection"==t||"view:selection"==t||"view:documentSelection"==t}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}he(ji,g);class Ui extends e{constructor(t,e,n){super(t,e),this.startRange=n,this._eventPhase="none",this._currentTarget=null}get eventPhase(){return this._eventPhase}get currentTarget(){return this._currentTarget}}const $i=Symbol("bubbling contexts"),Gi={fire(t,...n){try{const o=t instanceof e?t:new e(this,t),i=Qi(this);if(!i.size)return;if(Zi(o,"capturing",this),Ji(i,"$capture",o,...n))return o.return;const r=o.startRange||this.selection.getFirstRange(),s=r?r.getContainedElement():null,a=!!s&&Boolean(Yi(i,s));let c=s||function(t){if(!t)return null;const e=t.start.parent,n=t.end.parent,o=e.getPath(),i=n.getPath();return o.length>i.length?e:n}(r);if(Zi(o,"atTarget",c),!a){if(Ji(i,"$text",o,...n))return o.return;Zi(o,"bubbling",c)}for(;c;){if(c.is("rootElement")){if(Ji(i,"$root",o,...n))return o.return}else if(c.is("element")&&Ji(i,c.name,o,...n))return o.return;if(Ji(i,c,o,...n))return o.return;c=c.parent,Zi(o,"bubbling",c)}return Zi(o,"bubbling",this),Ji(i,"$document",o,...n),o.return}catch(t){s.rethrowUnexpectedError(t,this)}},_addEventListener(t,e,n){const o=To(n.context||"$document"),i=Qi(this);for(const r of o){let o=i.get(r);o||(o=Object.create(g),i.set(r,o)),this.listenTo(o,t,e,n)}},_removeEventListener(t,e){const n=Qi(this);for(const o of n.values())this.stopListening(o,t,e)}},Ki=Gi;function Zi(t,e,n){t instanceof Ui&&(t._eventPhase=e,t._currentTarget=n)}function Ji(t,e,n,...o){const i="string"==typeof e?t.get(e):Yi(t,e);return!!i&&(i.fire(n,...o),n.stop.called)}function Yi(t,e){for(const[n,o]of t)if("function"==typeof n&&n(e))return o;return null}function Qi(t){return t[$i]||(t[$i]=new Map),t[$i]}class Xi{constructor(t){this.selection=new ji,this.roots=new So({idProperty:"rootName"}),this.stylesProcessor=t,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isSelecting",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map((t=>t.destroy())),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const n of 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null;t=t.parent}return!t||nr(t)>1?null:this.childCount}function nr(t){return Array.from(t.getChildren()).filter((t=>!t.is("uiElement"))).length}tr.DEFAULT_PRIORITY=10;class or extends Pi{constructor(t,e,n,o){super(t,e,n,o),this._isAllowedInsideAttributeElement=!0,this.getFillerOffset=ir}is(t,e=null){return e?e===this.name&&("emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t):"emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof Vo||Array.from(e).length>0))throw new s("view-emptyelement-cannot-add",[this,e])}}function ir(){return null}const rr=navigator.userAgent.toLowerCase(),sr={isMac:cr(rr),isWindows:function(t){return t.indexOf("windows")>-1}(rr),isGecko:function(t){return!!t.match(/gecko\/\d+/)}(rr),isSafari:function(t){return t.indexOf(" 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void 0!==n.isAllowedInsideAttributeElement&&(o._isAllowedInsideAttributeElement=n.isAllowedInsideAttributeElement),n.renderUnsafeAttributes&&o._unsafeAttributesToRender.push(...n.renderUnsafeAttributes),o}createUIElement(t,e,n,o={}){const i=new br(this.document,t,e);return n&&(i.render=n),void 0!==o.isAllowedInsideAttributeElement&&(i._isAllowedInsideAttributeElement=o.isAllowedInsideAttributeElement),i}createRawElement(t,e,n,o={}){const i=new _r(this.document,t,e);return i.render=n||(()=>{}),void 0!==o.isAllowedInsideAttributeElement&&(i._isAllowedInsideAttributeElement=o.isAllowedInsideAttributeElement),o.renderUnsafeAttributes&&i._unsafeAttributesToRender.push(...o.renderUnsafeAttributes),i}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){ye(t)&&void 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e=!(ar.isBlink&&!ar.isAndroid)||!this.isSelecting;for(const t of this.markedChildren)this._updateChildrenMappings(t);e?(this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?t=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(t=this.selection.getFirstPosition(),this.markedChildren.add(t.parent))):this._inlineFiller&&this._inlineFiller.parentNode&&(t=this.domConverter.domPositionToView(this._inlineFiller));for(const t of this.markedAttributes)this._updateAttrs(t);for(const e of this.markedChildren)this._updateChildren(e,{inlineFillerPosition:t});for(const e of this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(e)if(t){const e=this.domConverter.viewPositionToDom(t),n=e.parent.ownerDocument;Vr(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=ds(n,e.parent,e.offset)}else this._inlineFiller=null;this._updateFocus(),this._updateSelection(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=Array.from(this.domConverter.mapViewToDom(t).childNodes),o=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),i=this._diffNodeLists(n,o),r=this._findReplaceActions(i,n,o);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const i of r)if("replace"===i){const i=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(i);!s||s.is("uiElement")||s.is("rawElement")||this._updateElementMappings(s,n[r]),Kr(o[i]),e.equal++}else e[i]++}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e),this.domConverter.bindElements(e,t),this.markedChildren.add(t),this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();return t.parent.is("$text")?Vi._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&zr(e.parent)&&Vr(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!Vr(t))throw new s("view-renderer-filler-was-lost",this);Lr(t)?t.remove():t.data=t.data.substr(7),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,n=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor((t=>t.hasAttribute("contenteditable")));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(n===e.getFillerOffset())return!1;const o=t.nodeBefore,i=t.nodeAfter;return!(o instanceof Lo||i instanceof Lo)}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t),o=this.domConverter.viewToDom(t,n.ownerDocument),i=n.data;let r=o.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=Mr+r),i!=r){const t=Wr(i,r);for(const e of t)"insert"===e.type?n.insertData(e.index,e.values.join("")):n.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=Array.from(e.attributes).map((t=>t.name)),o=t.getAttributeKeys();for(const n of o)this.domConverter.setDomElementAttribute(e,n,t.getAttribute(n),t);for(const o of n)t.hasAttribute(o)||this.domConverter.removeDomElementAttribute(e,o)}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n)return;const o=e.inlineFillerPosition,i=this.domConverter.mapViewToDom(t).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:!0}));o&&o.parent===t&&ds(n.ownerDocument,r,o.offset);const s=this._diffNodeLists(i,r);let a=0;const c=new Set;for(const t of s)"delete"===t?(c.add(i[a]),Kr(i[a])):"equal"===t&&a++;a=0;for(const t of s)"insert"===t?(Gr(n,a,r[a]),a++):"equal"===t&&(this._markDescendantTextToSync(this.domConverter.domToView(r[a])),a++);for(const t of c)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return $r(t=function(t,e){const n=Array.from(t);if(0==n.length||!e)return n;n[n.length-1]==e&&n.pop();return n}(t,this._fakeSelectionContainer),e,hs.bind(null,this.domConverter))}_findReplaceActions(t,e,n){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let o=[],i=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of 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e.className="ck-fake-selection-container",Object.assign(e.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),e.textContent=" ",e}(e));const n=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(n,this.selection),!this._fakeSelectionNeedsUpdate(t))return;n.parentElement&&n.parentElement==t||t.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const o=e.getSelection(),i=e.createRange();o.removeAllRanges(),i.selectNodeContents(n),o.addRange(i)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const n=this.domConverter.viewPositionToDom(this.selection.anchor),o=this.domConverter.viewPositionToDom(this.selection.focus);e.collapse(n.parent,n.offset),e.extend(o.parent,o.offset),ar.isGecko&&function(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1)return;const o=n.childNodes[t.offset];o&&"BR"==o.tagName&&e.addRange(e.getRangeAt(0))}(o,e)}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t))return!0;const e=t&&this.domConverter.domSelectionToView(t);return(!e||!this.selection.isEqual(e))&&!(!this.selection.isCollapsed&&this.selection.isSimilar(e))}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer,n=t.ownerDocument.getSelection();return!e||e.parentElement!==t||(n.anchorNode!==e&&!e.contains(n.anchorNode)||e.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const t of this.domDocuments){if(t.getSelection().rangeCount){const e=t.activeElement,n=this.domConverter.mapDomToView(e);e&&n&&t.getSelection().removeAllRanges()}}}_removeFakeSelection(){const t=this._fakeSelectionContainer;t&&t.remove()}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;t&&this.domConverter.focus(t)}}}function ds(t,e,n){const o=e instanceof Array?e:e.childNodes,i=o[n];if(zr(i))return 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Cs{constructor(t,e={}){this.document=t,this.renderingMode=e.renderingMode||"editing",this.blockFillerMode=e.blockFillerMode||("editing"===this.renderingMode?"br":"nbsp"),this.preElements=["pre"],this.blockElements=["address","article","aside","blockquote","caption","center","dd","details","dir","div","dl","dt","fieldset","figcaption","figure","footer","form","h1","h2","h3","h4","h5","h6","header","hgroup","legend","li","main","menu","nav","ol","p","pre","section","summary","table","tbody","td","tfoot","th","thead","tr","ul"],this.inlineObjectElements=["object","iframe","input","button","textarea","select","option","video","embed","audio","img","canvas"],this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap,this._rawContentElementMatcher=new Wo,this._encounteredRawContentDomNodes=new WeakSet}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new Wi(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t),this._viewToDomMapping.delete(e);for(const e of t.childNodes)this.unbindDomElement(e)}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}shouldRenderAttribute(t,e,n){return"data"===this.renderingMode||!(t=t.toLowerCase()).startsWith("on")&&(("srcdoc"!==t||!e.match(/\bon\S+\s*=|javascript:|<\s*\/*script/i))&&("img"===n&&("src"===t||"srcset"===t)||("source"===n&&"srcset"===t||!e.match(/^\s*(javascript:|data:(image\/svg|text\/x?html))/i))))}setContentOf(t,e){if("data"===this.renderingMode)return void(t.innerHTML=e);const n=(new DOMParser).parseFromString(e,"text/html"),o=n.createDocumentFragment(),i=n.body.childNodes;for(;i.length>0;)o.appendChild(i[0]);const r=n.createTreeWalker(o,NodeFilter.SHOW_ELEMENT),s=[];let c;for(;c=r.nextNode();)s.push(c);for(const t of s){for(const e of t.getAttributeNames())this.setDomElementAttribute(t,e,t.getAttribute(e));const e=t.tagName.toLowerCase();this._shouldRenameElement(e)&&(a("domconverter-unsafe-element-detected",{unsafeElement:t}),t.replaceWith(this._createReplacementDomElement(e,t)))}for(;t.firstChild;)t.firstChild.remove();t.append(o)}viewToDom(t,e,n={}){if(t.is("$text")){const n=this._processDataFromViewText(t);return e.createTextNode(n)}{if(this.mapViewToDom(t))return this.mapViewToDom(t);let o;if(t.is("documentFragment"))o=e.createDocumentFragment(),n.bind&&this.bindDocumentFragments(o,t);else{if(t.is("uiElement"))return o="$comment"===t.name?e.createComment(t.getCustomProperty("$rawContent")):t.render(e,this),n.bind&&this.bindElements(o,t),o;this._shouldRenameElement(t.name)?(a("domconverter-unsafe-element-detected",{unsafeElement:t}),o=this._createReplacementDomElement(t.name)):o=t.hasAttribute("xmlns")?e.createElementNS(t.getAttribute("xmlns"),t.name):e.createElement(t.name),t.is("rawElement")&&t.render(o,this),n.bind&&this.bindElements(o,t);for(const e of t.getAttributeKeys())this.setDomElementAttribute(o,e,t.getAttribute(e),t)}if(!1!==n.withChildren)for(const i of this.viewChildrenToDom(t,e,n))o.appendChild(i);return o}}setDomElementAttribute(t,e,n,o=null){const i=this.shouldRenderAttribute(e,n,t.tagName.toLowerCase())||o&&o.shouldRenderUnsafeAttribute(e);i||a("domconverter-unsafe-attribute-detected",{domElement:t,key:e,value:n}),t.hasAttribute(e)&&!i?t.removeAttribute(e):t.hasAttribute(ws+e)&&i&&t.removeAttribute(ws+e),t.setAttribute(i?e:ws+e,n)}removeDomElementAttribute(t,e){e!=_s&&(t.removeAttribute(e),t.removeAttribute(ws+e))}*viewChildrenToDom(t,e,n={}){const o=t.getFillerOffset&&t.getFillerOffset();let i=0;for(const r of t.getChildren())o===i&&(yield this._getBlockFiller(e)),yield this.viewToDom(r,e,n),i++;o===i&&(yield this._getBlockFiller(e))}viewRangeToDom(t){const e=this.viewPositionToDom(t.start),n=this.viewPositionToDom(t.end),o=document.createRange();return o.setStart(e.parent,e.offset),o.setEnd(n.parent,n.offset),o}viewPositionToDom(t){const e=t.parent;if(e.is("$text")){const n=this.findCorrespondingDomText(e);if(!n)return null;let o=t.offset;return Vr(n)&&(o+=7),{parent:n,offset:o}}{let n,o,i;if(0===t.offset){if(n=this.mapViewToDom(e),!n)return null;i=n.childNodes[0]}else{const e=t.nodeBefore;if(o=e.is("$text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore),!o)return null;n=o.parentNode,i=o.nextSibling}if(zr(i)&&Vr(i))return{parent:i,offset:7};return{parent:n,offset:o?ms(o)+1:0}}}domToView(t,e={}){if(this.isBlockFiller(t))return null;const n=this.getHostViewElement(t);if(n)return n;if(Zr(t)&&e.skipComments)return null;if(zr(t)){if(Lr(t))return null;{const e=this._processDataFromDomText(t);return""===e?null:new Lo(this.document,e)}}{if(this.mapDomToView(t))return this.mapDomToView(t);let n;if(this.isDocumentFragment(t))n=new Ar(this.document),e.bind&&this.bindDocumentFragments(t,n);else{n=this._createViewElement(t,e),e.bind&&this.bindElements(t,n);const o=t.attributes;if(o)for(let t=o.length-1;t>=0;t--)n._setAttribute(o[t].name,o[t].value);if(this._isViewElementWithRawContent(n,e)||Zr(t)){const e=Zr(t)?t.data:t.innerHTML;return 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e=t.ownerDocument,n=()=>{this.document.isSelecting=!1,this._documentIsSelectingInactivityTimeoutDebounced.cancel()};this.listenTo(t,"selectstart",(()=>{this.document.isSelecting=!0,this._documentIsSelectingInactivityTimeoutDebounced()}),{priority:"highest"}),this.listenTo(t,"keydown",n,{priority:"highest"}),this.listenTo(t,"keyup",n,{priority:"highest"}),this._documents.has(e)||(this.listenTo(e,"mouseup",n,{priority:"highest"}),this.listenTo(e,"selectionchange",((t,n)=>{this._handleSelectionChange(n,e),this._documentIsSelectingInactivityTimeoutDebounced()})),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel(),this._documentIsSelectingInactivityTimeoutDebounced.cancel()}_handleSelectionChange(t,e){if(!this.isEnabled)return;const n=e.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(n.anchorNode))return;this.mutationObserver.flush();const o=this.domConverter.domSelectionToView(n);if(0!=o.rangeCount){if(this.view.hasDomSelection=!0,!(this.selection.isEqual(o)&&this.domConverter.isDomSelectionCorrect(n)||++this._loopbackCounter>60))if(this.selection.isSimilar(o))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:o,domSelection:n};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class fa extends Xs{constructor(t){super(t),this.domEventType=["focus","blur"],this.useCapture=!0;const e=this.document;e.on("focus",(()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout((()=>t.change((()=>{}))),50)})),e.on("blur",((n,o)=>{const i=e.selection.editableElement;null!==i&&i!==o.target||(e.isFocused=!1,t.change((()=>{})))}))}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class ba extends Xs{constructor(t){super(t),this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",(()=>{e.isComposing=!0})),e.on("compositionend",(()=>{e.isComposing=!1}))}onDomEvent(t){this.fire(t.type,t)}}class ka extends Xs{constructor(t){super(t),this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}const wa=function(t){return"string"==typeof t||!Bt(t)&&At(t)&&"[object String]"==O(t)};function _a(t,e,n={},o=[]){const i=n&&n.xmlns,r=i?t.createElementNS(i,e):t.createElement(e);for(const t in n)r.setAttribute(t,n[t]);!wa(o)&&Do(o)||(o=[o]);for(let e of o)wa(e)&&(e=t.createTextNode(e)),r.appendChild(e);return r}function Ca(t){return"[object Range]"==Object.prototype.toString.apply(t)}function Aa(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const va=["top","right","bottom","left","width","height"];class ya{constructor(t){const e=Ca(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),vo(t)||e)if(e){const e=ya.getDomRangeRects(t);xa(this,ya.getBoundingRect(e))}else xa(this,t.getBoundingClientRect());else if(ys(t)){const{innerWidth:e,innerHeight:n}=t;xa(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else xa(this,t)}clone(){return new ya(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new ya(e)}getIntersectionArea(t){const e=this.getIntersection(t);return e?e.getArea():0}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!Ea(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!Ea(n);){const t=new ya(n),o=e.getIntersection(t);if(!o)return null;o.getArea()<e.getArea()&&(e=o),n=n.parentNode}}return e}isEqual(t){for(const e of va)if(this[e]!==t[e])return!1;return!0}contains(t){const e=this.getIntersection(t);return!(!e||!e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,n,o;if(ys(t))e=t.innerWidth-t.document.documentElement.clientWidth,n=t.innerHeight-t.document.documentElement.clientHeight,o=t.getComputedStyle(t.document.documentElement).direction;else{const i=Aa(this._source);e=t.offsetWidth-t.clientWidth-i.left-i.right,n=t.offsetHeight-t.clientHeight-i.top-i.bottom,o=t.ownerDocument.defaultView.getComputedStyle(t).direction,this.left+=i.left,this.top+=i.top,this.right-=i.right,this.bottom-=i.bottom,this.width=this.right-this.left,this.height=this.bottom-this.top}return this.width-=e,"ltr"===o?this.right-=e:this.left+=e,this.height-=n,this.bottom-=n,this}static getDomRangeRects(t){const e=[],n=Array.from(t.getClientRects());if(n.length)for(const t of n)e.push(new ya(t));else{let n=t.startContainer;zr(n)&&(n=n.parentNode);const o=new ya(n.getBoundingClientRect());o.right=o.left,o.width=0,e.push(o)}return e}static getBoundingRect(t){const e={left:Number.POSITIVE_INFINITY,top:Number.POSITIVE_INFINITY,right:Number.NEGATIVE_INFINITY,bottom:Number.NEGATIVE_INFINITY};let n=0;for(const o of t)n++,e.left=Math.min(e.left,o.left),e.top=Math.min(e.top,o.top),e.right=Math.max(e.right,o.right),e.bottom=Math.max(e.bottom,o.bottom);return 0==n?null:(e.width=e.right-e.left,e.height=e.bottom-e.top,new ya(e))}}function xa(t,e){for(const n of va)t[n]=e[n]}function Ea(t){return!!vo(t)&&t===t.ownerDocument.body}class Da{constructor(t,e){Da._observerInstance||Da._createObserver(),this._element=t,this._callback=e,Da._addElementCallback(t,e),Da._observerInstance.observe(t)}destroy(){Da._deleteElementCallback(this._element,this._callback)}static _addElementCallback(t,e){Da._elementCallbacks||(Da._elementCallbacks=new Map);let n=Da._elementCallbacks.get(t);n||(n=new Set,Da._elementCallbacks.set(t,n)),n.add(e)}static _deleteElementCallback(t,e){const n=Da._getElementCallbacks(t);n&&(n.delete(e),n.size||(Da._elementCallbacks.delete(t),Da._observerInstance.unobserve(t))),Da._elementCallbacks&&!Da._elementCallbacks.size&&(Da._observerInstance=null,Da._elementCallbacks=null)}static _getElementCallbacks(t){return Da._elementCallbacks?Da._elementCallbacks.get(t):null}static _createObserver(){let t;t="function"==typeof ps.window.ResizeObserver?ps.window.ResizeObserver:Sa,Da._observerInstance=new t((t=>{for(const e of t){const t=Da._getElementCallbacks(e.target);if(t)for(const n of t)n(e)}}))}}Da._observerInstance=null,Da._elementCallbacks=null;class Sa{constructor(t){this._callback=t,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(t){this._elements.add(t),this._checkElementRectsAndExecuteCallback(),1===this._elements.size&&this._startPeriodicCheck()}unobserve(t){this._elements.delete(t),this._previousRects.delete(t),this._elements.size||this._stopPeriodicCheck()}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(t,100)};this.listenTo(ps.window,"resize",(()=>{this._checkElementRectsAndExecuteCallback()})),this._periodicCheckTimeout=setTimeout(t,100)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements)this._hasRectChanged(e)&&t.push({target:e,contentRect:this._previousRects.get(e)});t.length&&this._callback(t)}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t))return!1;const e=new ya(t),n=this._previousRects.get(t),o=!n||!n.isEqual(e);return this._previousRects.set(t,e),o}}function Ba(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}function Ta(t){const e=t.next();return e.done?null:e.value}he(Sa,Es);class Pa{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new s("focustracker-add-element-already-exist",this);this.listenTo(t,"focus",(()=>this._focus(t)),{useCapture:!0}),this.listenTo(t,"blur",(()=>this._blur()),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout((()=>{this.focusedElement=null,this.isFocused=!1}),0)}}he(Pa,Es),he(Pa,se);class Ia{constructor(){this._listener=Object.create(Es)}listenTo(t){this._listener.listenTo(t,"keydown",((t,e)=>{this._listener.fire("_keydown:"+pr(e),e)}))}set(t,e,n={}){const o=mr(t),i=n.priority;this._listener.listenTo(this._listener,"_keydown:"+o,((t,n)=>{e(n,(()=>{n.preventDefault(),n.stopPropagation(),t.stop()})),t.return=!0}),{priority:i})}press(t){return!!this._listener.fire("_keydown:"+pr(t),t)}destroy(){this._listener.stopListening()}}class Ra extends Bs{constructor(t){super(t),this.document.on("keydown",((t,e)=>{if(this.isEnabled&&((n=e.keyCode)==ur.arrowright||n==ur.arrowleft||n==ur.arrowup||n==ur.arrowdown)){const n=new Ui(this.document,"arrowKey",this.document.selection.getFirstRange());this.document.fire(n,e),n.stop.called&&t.stop()}var n}))}observe(){}}function za({target:t,viewportOffset:e=0}){const n=Ha(t);let o=n,i=null;for(;o;){let r;r=qa(o==n?t:i),Na(r,(()=>Wa(t,o)));const s=Wa(t,o);if(Fa(o,s,e),o.parent!=o){if(i=o.frameElement,o=o.parent,!i)return}else o=null}}function Fa(t,e,n){const o=e.clone().moveBy(0,n),i=e.clone().moveBy(0,-n),r=new ya(t).excludeScrollbarsAndBorders();if(![i,o].every((t=>r.contains(t)))){let{scrollX:s,scrollY:a}=t;Ma(i,r)?a-=r.top-e.top+n:Oa(o,r)&&(a+=e.bottom-r.bottom+n),Va(e,r)?s-=r.left-e.left+n:La(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function Na(t,e){const n=Ha(t);let o,i;for(;t!=n.document.body;)i=e(),o=new ya(t).excludeScrollbarsAndBorders(),o.contains(i)||(Ma(i,o)?t.scrollTop-=o.top-i.top:Oa(i,o)&&(t.scrollTop+=i.bottom-o.bottom),Va(i,o)?t.scrollLeft-=o.left-i.left:La(i,o)&&(t.scrollLeft+=i.right-o.right)),t=t.parentNode}function Oa(t,e){return t.bottom>e.bottom}function Ma(t,e){return t.top<e.top}function Va(t,e){return t.left<e.left}function La(t,e){return t.right>e.right}function Ha(t){return Ca(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function qa(t){if(Ca(t)){let e=t.commonAncestorContainer;return zr(e)&&(e=e.parentNode),e}return t.parentNode}function Wa(t,e){const n=Ha(t),o=new ya(t);if(n===e)return o;{let t=n;for(;t!=e;){const e=t.frameElement,n=new ya(e).excludeScrollbarsAndBorders();o.moveBy(n.left,n.top),t=t.parent}}return o}Object.assign({},{scrollViewportToShowTarget:za,scrollAncestorsToShowTarget:function(t){Na(qa(t),(()=>new ya(t)))}});class ja{constructor(t){this.document=new Xi(t),this.domConverter=new Cs(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new ls(this.domConverter,this.document.selection),this._renderer.bind("isFocused","isSelecting").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new vr(this.document),this.addObserver(Ys),this.addObserver(ga),this.addObserver(fa),this.addObserver(ta),this.addObserver(ma),this.addObserver(ba),this.addObserver(Ra),ar.isAndroid&&this.addObserver(ka),this.document.on("arrowKey",qr,{priority:"low"}),kr(this),this.on("render",(()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1})),this.listenTo(this.document.selection,"change",(()=>{this._hasChangedSinceTheLastRendering=!0})),this.listenTo(this.document,"change:isFocused",(()=>{this._hasChangedSinceTheLastRendering=!0}))}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const o={};for(const{name:e,value:i}of Array.from(t.attributes))o[e]=i,"class"===e?this._writer.addClass(i.split(" "),n):this._writer.setAttribute(e,i,n);this._initialDomRootAttributes.set(t,o);const i=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};i(),this.domRoots.set(e,t),this.domConverter.bindElements(t,n),this._renderer.markToSync("children",n),this._renderer.markToSync("attributes",n),this._renderer.domDocuments.add(t.ownerDocument),n.on("change:children",((t,e)=>this._renderer.markToSync("children",e))),n.on("change:attributes",((t,e)=>this._renderer.markToSync("attributes",e))),n.on("change:text",((t,e)=>this._renderer.markToSync("text",e))),n.on("change:isReadOnly",(()=>this.change(i))),n.on("change",(()=>{this._hasChangedSinceTheLastRendering=!0}));for(const n of this._observers.values())n.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach((({name:t})=>e.removeAttribute(t)));const n=this._initialDomRootAttributes.get(e);for(const t in n)e.setAttribute(t,n[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,n]of this.domRoots)e.observe(n,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&za({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t&&(this.domConverter.focus(t),this.forceRender())}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new s("cannot-change-view-tree",this);try{if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}catch(t){s.rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change((()=>{}))}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return Vi._createAt(t,e)}createPositionAfter(t){return Vi._createAfter(t)}createPositionBefore(t){return Vi._createBefore(t)}createRange(t,e){return new Li(t,e)}createRangeOn(t){return Li._createOn(t)}createRangeIn(t){return Li._createIn(t)}createSelection(t,e,n){return new Wi(t,e,n)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change((()=>{}))}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}he(ja,se);class Ua{constructor(t){this.parent=null,this._attrs=qo(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new s("model-node-not-found-in-parent",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new s("model-node-not-found-in-parent",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}isAttached(){return this.root.is("rootElement")}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),o=t.getAncestors(e);let i=0;for(;n[i]==o[i]&&n[i];)i++;return 0===i?null:n[i-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),o=Oo(e,n);switch(o){case"prefix":return!0;case"extension":return!1;default:return e[o]<n[o]}}isAfter(t){return this!=t&&(this.root===t.root&&!this.isBefore(t))}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce(((t,e)=>(t[e[0]]=e[1],t)),{})),t}is(t){return"node"===t||"model:node"===t}_clone(){return new Ua(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=qo(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class $a extends Ua{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"$text"===t||"model:$text"===t||"text"===t||"model:text"===t||"node"===t||"model:node"===t}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new $a(this.data,this.getAttributes())}static fromJSON(t){return new $a(t.data,t.attributes)}}class Ga{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new s("model-textproxy-wrong-offsetintext",this);if(n<0||e+n>t.offsetSize)throw new s("model-textproxy-wrong-length",this);this.data=t.data.substring(e,e+n),this.offsetInText=e}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}is(t){return"$textProxy"===t||"model:$textProxy"===t||"textProxy"===t||"model:textProxy"===t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class Ka{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce(((t,e)=>t+e.offsetSize),0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce(((t,e)=>t+e.offsetSize),0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new s("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const n of this._nodes){if(t>=e&&t<e+n.offsetSize)return this.getNodeIndex(n);e+=n.offsetSize}if(e!=t)throw new s("model-nodelist-offset-out-of-bounds",this,{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof Ua))throw new s("model-nodelist-insertnodes-not-node",this);this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map((t=>t.toJSON()))}}class Za extends Ua{constructor(t,e,n){super(e),this.name=t,this._children=new Ka,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){return e?e===this.name&&("element"===t||"model:element"===t):"element"===t||"model:element"===t||"node"===t||"model:node"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}findAncestor(t,e={includeSelf:!1}){let n=e.includeSelf?this:this.parent;for(;n;){if(n.name===t)return n;n=n.parent}return null}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map((t=>t._clone(!0))):null;return new Za(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new $a(t)];Do(t)||(t=[t]);return Array.from(t).map((t=>"string"==typeof t?new $a(t):t instanceof Ga?new $a(t.data,t.getAttributes()):t))}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children)n.name?e.push(Za.fromJSON(n)):e.push($a.fromJSON(n))}return new Za(t.name,t.attributes,e)}}class Ja{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new s("model-tree-walker-no-start-position",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new s("model-tree-walker-unknown-direction",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=Qa._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,o,i;do{o=this.position,i=this._visitedParent,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=o,this._visitedParent=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&e.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const o=e.parent,i=Xa(e,o),r=i||tc(e,o,i);if(r instanceof Za)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=r),this.position=e,Ya("elementStart",r,t,e,1);if(r instanceof $a){let o;if(this.singleCharacters)o=1;else{let t=r.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),o=t-e.offset}const i=e.offset-r.startOffset,s=new Ga(r,i,o);return e.offset+=o,this.position=e,Ya("text",s,t,e,o)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():Ya("elementEnd",n,t,e)}_previous(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const o=e.parent,i=Xa(e,o),r=i||ec(e,o,i);if(r instanceof Za)return e.offset--,this.shallow?(this.position=e,Ya("elementStart",r,t,e,1)):(e.path.push(r.maxOffset),this.position=e,this._visitedParent=r,this.ignoreElementEnd?this._previous():Ya("elementEnd",r,t,e));if(r instanceof $a){let o;if(this.singleCharacters)o=1;else{let t=r.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),o=e.offset-t}const i=e.offset-r.startOffset,s=new Ga(r,i-o,o);return e.offset-=o,this.position=e,Ya("text",s,t,e,o)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,Ya("elementStart",n,t,e,1)}}function Ya(t,e,n,o,i){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}class Qa{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new s("model-position-root-invalid",t);if(!(e instanceof Array)||0===e.length)throw new s("model-position-path-incorrect-format",t,{path:e});t.is("rootElement")?e=e.slice():(e=[...t.getPath(),...e],t=t.root),this.root=t,this.path=e,this.stickiness=n}get offset(){return this.path[this.path.length-1]}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)if(t=t.getChild(t.offsetToIndex(this.path[e])),!t)throw new s("model-position-path-incorrect",this,{position:this});if(t.is("$text"))throw new s("model-position-path-incorrect",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return Xa(this,this.parent)}get nodeAfter(){const t=this.parent;return tc(this,t,Xa(this,t))}get nodeBefore(){const t=this.parent;return ec(this,t,Xa(this,t))}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=Oo(this.path,t.path);switch(e){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[e]<t.path[e]?"before":"after"}}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new Ja(e);return n.skip(t),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const t=this.parent;return t.is("documentFragment")?[t]:t.getAncestors({includeSelf:!0})}findAncestor(t){const e=this.parent;return e.is("element")?e.findAncestor(t,{includeSelf:!0}):null}getCommonPath(t){if(this.root!=t.root)return[];const e=Oo(this.path,t.path),n="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let o=0;for(;e[o]==n[o]&&e[o];)o++;return 0===o?null:e[o-1]}getShiftedBy(t){const e=this.clone(),n=e.offset+t;return e.offset=n<0?0:n,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,n=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=Qa._createAt(this),n=Qa._createAt(t);break;case"after":e=Qa._createAt(t),n=Qa._createAt(this);break;default:return!1}let o=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==o.maxOffset)return!1;e.path=e.path.slice(0,-1),o=o.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}is(t){return"position"===t||"model:position"===t}hasSameParentAs(t){if(this.root!==t.root)return!1;return"same"==Oo(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=Qa._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let n;return e.containsPosition(this)||e.start.isEqual(this)?(n=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(n=n._getTransformedByDeletion(t.deletionPosition,1))):n=this.isEqual(t.deletionPosition)?Qa._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=Qa._createAt(this);if(this.root!=t.root)return n;if("same"==Oo(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if("prefix"==Oo(t.getParentPath(),this.getParentPath())){const o=t.path.length-1;if(t.offset<=this.path[o]){if(t.offset+e>this.path[o])return null;n.path[o]-=e}}return n}_getTransformedByInsertion(t,e){const n=Qa._createAt(this);if(this.root!=t.root)return n;if("same"==Oo(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=e);else if("prefix"==Oo(t.getParentPath(),this.getParentPath())){const o=t.path.length-1;t.offset<=this.path[o]&&(n.path[o]+=e)}return n}_getTransformedByMove(t,e,n){if(e=e._getTransformedByDeletion(t,n),t.isEqual(e))return Qa._createAt(this);const o=this._getTransformedByDeletion(t,n);return null===o||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):o._getTransformedByInsertion(e,n)}_getCombined(t,e){const n=t.path.length-1,o=Qa._createAt(e);return o.stickiness=this.stickiness,o.offset=o.offset+this.path[n]-t.offset,o.path=[...o.path,...this.path.slice(n+1)],o}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(t,e,n="toNone"){if(t instanceof Qa)return new Qa(t.root,t.path,t.stickiness);{const o=t;if("end"==e)e=o.maxOffset;else{if("before"==e)return this._createBefore(o,n);if("after"==e)return this._createAfter(o,n);if(0!==e&&!e)throw new s("model-createpositionat-offset-required",[this,t])}if(!o.is("element")&&!o.is("documentFragment"))throw new s("model-position-parent-incorrect",[this,t]);const i=o.getPath();return i.push(e),new this(o.root,i,n)}}static _createAfter(t,e){if(!t.parent)throw new s("model-position-after-root",[this,t],{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new s("model-position-before-root",t,{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if("$graveyard"===t.root){const n=new Qa(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new s("model-position-fromjson-no-root",e,{rootName:t.root});return new Qa(e.getRoot(t.root),t.path,t.stickiness)}}function Xa(t,e){const n=e.getChild(e.offsetToIndex(t.offset));return n&&n.is("$text")&&n.startOffset<t.offset?n:null}function tc(t,e,n){return null!==n?null:e.getChild(e.offsetToIndex(t.offset))}function ec(t,e,n){return null!==n?null:e.getChild(e.offsetToIndex(t.offset)-1)}class nc{constructor(t,e=null){this.start=Qa._createAt(t),this.end=e?Qa._createAt(e):Qa._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new Ja({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==Oo(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),o=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&o}containsItem(t){const e=Qa._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}is(t){return"range"===t||"model:range"===t}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new nc(this.start,t.start)),this.containsPosition(t.end)&&e.push(new nc(t.end,this.end))):e.push(new nc(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new nc(e,n)}return null}getJoined(t,e=!1){let n=this.isIntersecting(t);if(n||(n=this.start.isBefore(t.start)?e?this.end.isTouching(t.start):this.end.isEqual(t.start):e?t.end.isTouching(this.start):t.end.isEqual(this.start)),!n)return null;let o=this.start,i=this.end;return t.start.isBefore(o)&&(o=t.start),t.end.isAfter(i)&&(i=t.end),new nc(o,i)}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=Qa._createAt(this.start);let o=n.parent;for(;n.path.length>e+1;){const e=o.maxOffset-n.offset;0!==e&&t.push(new nc(n,n.getShiftedBy(e))),n.path=n.path.slice(0,-1),n.offset++,o=o.parent}for(;n.path.length<=this.end.path.length;){const e=this.end.path[n.path.length-1],o=e-n.offset;0!==o&&t.push(new nc(n,n.getShiftedBy(o))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new Ja(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Ja(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Ja(t);yield e.position;for(const t of e)yield t.nextPosition}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new nc(this.start,this.end)]}getTransformedByOperations(t){const e=[new nc(this.start,this.end)];for(const n of t)for(let t=0;t<e.length;t++){const o=e[t].getTransformedByOperation(n);e.splice(t,1,...o),t+=o.length-1}for(let t=0;t<e.length;t++){const n=e[t];for(let o=t+1;o<e.length;o++){const t=e[o];(n.containsRange(t)||t.containsRange(n)||n.isEqual(t))&&e.splice(o,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const t=this.start.nodeAfter,e=this.end.nodeBefore;return t&&t.is("element")&&t===e?t:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const n=t.sourcePosition,o=t.howMany,i=t.targetPosition;return this._getTransformedByMove(n,i,o,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(n=this.end.getShiftedBy(1)),e.root!=n.root&&(n=this.end.getShiftedBy(-1)),new nc(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new nc(this.start);let e=this.start._getTransformedByMergeOperation(t),n=this.end._getTransformedByMergeOperation(t);return e.root!=n.root&&(n=this.end.getShiftedBy(-1)),e.isAfter(n)?(t.sourcePosition.isBefore(t.targetPosition)?(e=Qa._createAt(n),e.offset=0):(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new nc(e,n)):new nc(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new nc(this.start,t),new nc(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new nc(this.start,this.end);return n.start=n.start._getTransformedByInsertion(t,e),n.end=n.end._getTransformedByInsertion(t,e),[n]}}_getTransformedByMove(t,e,n,o=!1){if(this.isCollapsed){const o=this.start._getTransformedByMove(t,e,n);return[new nc(o)]}const i=nc._createFromPositionAndShift(t,n),r=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!o&&(i.containsPosition(this.start)||i.containsPosition(this.end))){const o=this.start._getTransformedByMove(t,e,n),i=this.end._getTransformedByMove(t,e,n);return[new nc(o,i)]}let s;const a=this.getDifference(i);let c=null;const l=this.getIntersection(i);if(1==a.length?c=new nc(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(c=new nc(this.start,this.end._getTransformedByDeletion(t,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||o):[],l){const t=new nc(l.start._getCombined(i.start,r),l.end._getCombined(i.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e),o=this.end._getTransformedByDeletion(t,e);return null==n&&null==o?null:(null==n&&(n=t),null==o&&(o=t),new nc(n,o))}static _createFromPositionAndShift(t,e){const n=t,o=t.getShiftedBy(e);return e>0?new this(n,o):new this(o,n)}static _createIn(t){return new this(Qa._createAt(t,0),Qa._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(Qa._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new s("range-create-from-ranges-empty-array",null);if(1==t.length)return t[0].clone();const e=t[0];t.sort(((t,e)=>t.start.isAfter(e.start)?1:-1));const n=t.indexOf(e),o=new this(e.start,e.end);if(n>0)for(let e=n-1;t[e].end.isEqual(o.start);e++)o.start=Qa._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(o.end);e++)o.end=Qa._createAt(t[e].end);return o}static fromJSON(t,e){return new this(Qa.fromJSON(t.start,e),Qa.fromJSON(t.end,e))}}class oc{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this.on("modelToViewPosition",((t,e)=>{if(e.viewPosition)return;const n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this.findPositionIn(n,e.modelPosition.offset)}),{priority:"low"}),this.on("viewToModelPosition",((t,e)=>{if(e.modelPosition)return;const n=this.findMappedViewAncestor(e.viewPosition),o=this._viewToModelMapping.get(n),i=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=Qa._createAt(o,i)}),{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e),this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);if(this._viewToModelMapping.delete(t),this._elementToMarkerNames.has(t))for(const e of this._elementToMarkerNames.get(t))this._unboundMarkerNames.add(e);this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t);const o=this._elementToMarkerNames.get(t)||new Set;o.add(e),this._markerNameToElements.set(e,n),this._elementToMarkerNames.set(t,o)}unbindElementFromMarkerName(t,e){const n=this._markerNameToElements.get(e);n&&(n.delete(t),0==n.size&&this._markerNameToElements.delete(e));const o=this._elementToMarkerNames.get(t);o&&(o.delete(e),0==o.size&&this._elementToMarkerNames.delete(t))}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),t}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new nc(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new Li(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const n=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())n.add(e);else n.add(t);return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return e}_toModelOffset(t,e,n){if(n!=t){return this._toModelOffset(t.parent,t.index,n)+this._toModelOffset(t,e,t)}if(t.is("$text"))return e;let o=0;for(let n=0;n<e;n++)o+=this.getModelLength(t.getChild(n));return o}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name)){return this._viewToModelLengthCallbacks.get(t.name)(t)}if(this._viewToModelMapping.has(t))return 1;if(t.is("$text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const n of t.getChildren())e+=this.getModelLength(n);return e}}findPositionIn(t,e){let n,o=0,i=0,r=0;if(t.is("$text"))return new Vi(t,e);for(;i<e;)n=t.getChild(r),o=this.getModelLength(n),i+=o,r++;return i==e?this._moveViewPositionToTextNode(new Vi(t,r)):this.findPositionIn(n,e-(i-o))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof Lo?new Vi(e,e.data.length):n instanceof Lo?new Vi(n,0):t}}he(oc,g);class ic{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=rc(e),t instanceof Ga&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=rc(e),t instanceof Ga&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=rc(e),t instanceof Ga&&(t=this._getSymbolForTextProxy(t));const n=this._consumable.get(t);if(void 0===n)return null;const o=n.get(e);return void 0===o?null:o}revert(t,e){e=rc(e),t instanceof Ga&&(t=this._getSymbolForTextProxy(t));const n=this.test(t,e);return!1===n?(this._consumable.get(t).set(e,!0),!0):!0!==n&&null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const o=n.get(t.endOffset);o&&(e=o.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,n){const o=Symbol("textProxySymbol");let i,r;return i=this._textProxyRegistry.get(t),i||(i=new Map,this._textProxyRegistry.set(t,i)),r=i.get(e),r||(r=new Map,i.set(e,r)),r.set(n,o),o}}function rc(t){const e=t.split(":");return"addMarker"==e[0]||"removeMarker"==e[0]?t:e.length>1?e[0]+":"+e[1]:e[0]}class sc{constructor(t){this.conversionApi=Object.assign({dispatcher:this},t),this._reconversionEventsMapping=new Map}convertChanges(t,e,n){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,n);const o=this._mapChangesWithAutomaticReconversion(t);for(const t of o)"insert"===t.type?this.convertInsert(nc._createFromPositionAndShift(t.position,t.length),n):"remove"===t.type?this.convertRemove(t.position,t.length,t.name,n):"reconvert"===t.type?this.reconvertElement(t.element,n):this.convertAttribute(t.range,t.attributeKey,t.attributeOldValue,t.attributeNewValue,n);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const o=e.get(t).getRange();this.convertMarkerRemove(t,o,n),this.convertMarkerAdd(t,o,n)}for(const e of t.getMarkersToAdd())this.convertMarkerAdd(e.name,e.range,n)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of Array.from(t).map(cc))this._convertInsertWithAttributes(e);this._clearConversionApi()}convertRemove(t,e,n,o){this.conversionApi.writer=o,this.fire("remove:"+n,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,n,o,i){this.conversionApi.writer=i,this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const i of t){const t={item:i.item,range:nc._createFromPositionAndShift(i.previousPosition,i.length),attributeKey:e,attributeOldValue:n,attributeNewValue:o};this._testAndFire(`attribute:${e}`,t)}this._clearConversionApi()}reconvertElement(t,e){const n=nc._createOn(t);this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(n);const o=this.conversionApi.mapper,i=o.toViewElement(t);e.remove(i),this._convertInsertWithAttributes({item:t,range:n});const r=o.toViewElement(t);for(const n of nc._createIn(t)){const{item:t}=n,i=lc(t,o);i?i.root!==r.root&&e.move(e.createRangeOn(i),o.toViewPosition(Qa._createBefore(t))):this._convertInsertWithAttributes(cc(n))}o.unbindViewElement(i),this._clearConversionApi()}convertSelection(t,e,n){const o=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,o),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of o){const n=e.getRange();if(!ac(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const o={item:t,markerName:e.name,markerRange:n};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,o,this.conversionApi)}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}else this._clearConversionApi()}convertMarkerAdd(t,e,n){if("$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const o="addMarker:"+t,i=new ic;if(i.add(e,o),this.conversionApi.consumable=i,this.fire(o,{markerName:t,markerRange:e},this.conversionApi),i.test(e,o)){this.conversionApi.consumable=this._createConsumableForRange(e,o);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,o))continue;const i={item:n,range:nc._createOn(n),markerName:t,markerRange:e};this.fire(o,i,this.conversionApi)}this._clearConversionApi()}else this._clearConversionApi()}convertMarkerRemove(t,e,n){"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_mapReconversionTriggerEvent(t,e){this._reconversionEventsMapping.set(e,t)}_createInsertConsumable(t){const e=new ic;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n)}return e}_createConsumableForRange(t,e){const n=new ic;for(const o of t.getItems())n.add(o,e);return n}_createSelectionConsumable(t,e){const n=new ic;n.add(t,"selection");for(const o of e)n.add(t,"addMarker:"+o.name);for(const e of t.getAttributeKeys())n.add(t,"attribute:"+e);return n}_testAndFire(t,e){this.conversionApi.consumable.test(e.item,t)&&this.fire(function(t,e){const n=e.item.name||"$text";return`${t}:${n}`}(t,e),e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}_convertInsertWithAttributes(t){this._testAndFire("insert",t);for(const e of t.item.getAttributeKeys())t.attributeKey=e,t.attributeOldValue=null,t.attributeNewValue=t.item.getAttribute(e),this._testAndFire(`attribute:${e}`,t)}_mapChangesWithAutomaticReconversion(t){const e=new Set,n=[];for(const o of t.getChanges()){const t=o.position||o.range.start,i=t.parent;if(Xa(t,i)){n.push(o);continue}const r="attribute"===o.type?tc(t,i,null):i;if(r.is("$text")){n.push(o);continue}let s;if(s="attribute"===o.type?`attribute:${o.attributeKey}:${r.name}`:`${o.type}:${o.name}`,this._isReconvertTriggerEvent(s,r.name)){if(e.has(r))continue;e.add(r),n.push({type:"reconvert",element:r})}else n.push(o)}return n}_isReconvertTriggerEvent(t,e){return this._reconversionEventsMapping.get(t)===e}}function ac(t,e,n){const o=e.getRange(),i=Array.from(t.getAncestors());i.shift(),i.reverse();return!i.some((t=>{if(o.containsItem(t)){return!!n.toViewElement(t).getCustomProperty("addHighlight")}}))}function cc(t){return{item:t.item,range:nc._createFromPositionAndShift(t.previousPosition,t.length)}}function lc(t,e){if(t.is("textProxy")){const n=e.toViewPosition(Qa._createBefore(t)).parent;return n.is("$text")?n:null}return e.toViewElement(t)}he(sc,g);class dc{constructor(t,e,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,n)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const o of t._ranges)if(e.isEqual(o)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new nc(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new nc(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new nc(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(null===t)this._setRanges([]);else if(t instanceof dc)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof nc)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof Qa)this._setRanges([new nc(t)]);else if(t instanceof Ua){const o=!!n&&!!n.backward;let i;if("in"==e)i=nc._createIn(t);else if("on"==e)i=nc._createOn(t);else{if(void 0===e)throw new s("model-selection-setto-required-second-parameter",[this,t]);i=new nc(Qa._createAt(t,e))}this._setRanges([i],o)}else{if(!Do(t))throw new s("model-selection-setto-not-selectable",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some((e=>{if(!(e instanceof nc))throw new s("model-selection-set-ranges-not-range",[this,t]);return this._ranges.every((t=>!t.isEqual(e)))}));if(t.length!==this._ranges.length||n){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new s("model-selection-setfocus-no-ranges",[this,t]);const n=Qa._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(o)?(this._pushRange(new nc(n,o)),this._lastRangeBackward=!0):(this._pushRange(new nc(o,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}is(t){return"selection"===t||"model:selection"===t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=pc(e.start,t);n&&mc(n,e)&&(yield n);for(const n of e.getWalker()){const o=n.item;"elementEnd"==n.type&&hc(o,t,e)&&(yield o)}const o=pc(e.end,t);o&&!e.end.isTouching(Qa._createAt(o,0))&&mc(o,e)&&(yield o)}}containsEntireContent(t=this.anchor.root){const e=Qa._createAt(t,0),n=Qa._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new nc(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new s("model-selection-range-intersects",[this,t],{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function uc(t,e){return!e.has(t)&&(e.add(t),t.root.document.model.schema.isBlock(t)&&t.parent)}function hc(t,e,n){return uc(t,e)&&mc(t,n)}function pc(t,e){const n=t.parent.root.document.model.schema,o=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let i=!1;const r=o.find((t=>!i&&(i=n.isLimit(t),!i&&uc(t,e))));return o.forEach((t=>e.add(t))),r}function mc(t,e){const n=function(t){const e=t.root.document.model.schema;let n=t.parent;for(;n;){if(e.isBlock(n))return n;n=n.parent}}(t);if(!n)return!0;return!e.containsRange(nc._createOn(n),!0)}he(dc,g);class gc extends nc{constructor(t,e){super(t,e),fc.call(this)}detach(){this.stopListening()}is(t){return"liveRange"===t||"model:liveRange"===t||"range"==t||"model:range"===t}toRange(){return new nc(this.start,this.end)}static fromRange(t){return new gc(t.start,t.end)}}function fc(){this.listenTo(this.root.document.model,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&bc.call(this,n)}),{priority:"low"})}function bc(t){const e=this.getTransformedByOperation(t),n=nc._createFromRanges(e),o=!n.isEqual(this),i=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(o){"$graveyard"==n.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",e,{deletionPosition:r})}else i&&this.fire("change:content",this.toRange(),{deletionPosition:r})}he(gc,g);const kc="selection:";class wc{constructor(t){this._selection=new _c(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}observeMarkers(t){this._selection.observeMarkers(t)}is(t){return"selection"===t||"model:selection"==t||"documentSelection"==t||"model:documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return kc+t}static _isStoreAttributeKey(t){return t.startsWith(kc)}}he(wc,g);class _c extends dc{constructor(t){super(),this.markers=new So({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this._observedMarkers=new Set,this.listenTo(this._model,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))}),{priority:"lowest"}),this.on("change:range",(()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new s("document-selection-wrong-position",this,{range:t})})),this.listenTo(this._model.markers,"update",((t,e,n,o)=>{this._updateMarker(e,o)})),this.listenTo(this._document,"change",((t,e)=>{!function(t,e){const n=t.document.differ;for(const o of n.getChanges()){if("insert"!=o.type)continue;const n=o.position.parent;o.length===n.maxOffset&&t.enqueueChange(e,(t=>{const e=Array.from(n.getAttributeKeys()).filter((t=>t.startsWith(kc)));for(const o of e)t.removeAttribute(o,n)}))}}(this._model,e)}))}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let t=0;t<this._ranges.length;t++)this._ranges[t].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(t,e,n){super.setTo(t,e,n),this._updateAttributes(!0),this._updateMarkers()}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0),this._updateMarkers()}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=i();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new s("document-selection-gravity-wrong-restore",this,{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}observeMarkers(t){this._observedMarkers.add(t),this._updateMarkers()}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return;const e=gc.fromRange(t);return e.on("change:range",((t,n,o)=>{if(this._hasChangedRange=!0,e.root==this._document.graveyard){this._selectionRestorePosition=o.deletionPosition;const t=this._ranges.indexOf(e);this._ranges.splice(t,1),e.detach()}})),e}_updateMarkers(){if(!this._observedMarkers.size)return;const t=[];let e=!1;for(const e of this._model.markers){const n=e.name.split(":",1)[0];if(!this._observedMarkers.has(n))continue;const o=e.getRange();for(const n of this.getRanges())o.containsRange(n,!n.isCollapsed)&&t.push(e)}const n=Array.from(this.markers);for(const n of t)this.markers.has(n)||(this.markers.add(n),e=!0);for(const n of Array.from(this.markers))t.includes(n)||(this.markers.remove(n),e=!0);e&&this.fire("change:marker",{oldMarkers:n,directChange:!1})}_updateMarker(t,e){const n=t.name.split(":",1)[0];if(!this._observedMarkers.has(n))return;let o=!1;const i=Array.from(this.markers),r=this.markers.has(t);if(e){let n=!1;for(const t of this.getRanges())if(e.containsRange(t,!t.isCollapsed)){n=!0;break}n&&!r?(this.markers.add(t),o=!0):!n&&r&&(this.markers.remove(t),o=!0)}else r&&(this.markers.remove(t),o=!0);o&&this.fire("change:marker",{oldMarkers:i,directChange:!1})}_updateAttributes(t){const e=qo(this._getSurroundingAttributes()),n=qo(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const o=[];for(const[t,e]of this.getAttributes())n.has(t)&&n.get(t)===e||o.push(t);for(const[t]of n)this.hasAttribute(t)||o.push(t);o.length>0&&this.fire("change:attribute",{attributeKeys:o,directChange:!1})}_setAttribute(t,e,n=!0){const o=n?"normal":"low";if("low"==o&&"normal"==this._attributePriority.get(t))return!1;return super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,o),!0)}_removeAttribute(t,e=!0){const n=e?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(t))&&(this._attributePriority.set(t,n),!!super.hasAttribute(t)&&(this._attrs.delete(t),!0))}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes())t.get(e)!==n&&this._removeAttribute(e,!1);for(const[n,o]of t){this._setAttribute(n,o,!1)&&e.add(n)}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith(kc)){const n=e.substr(kc.length);yield[n,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let n=null;if(this.isCollapsed){const o=t.textNode?t.textNode:t.nodeBefore,i=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=Cc(o)),n||(n=Cc(i)),!this.isGravityOverridden&&!n){let t=o;for(;t&&!e.isInline(t)&&!n;)t=t.previousSibling,n=Cc(t)}if(!n){let t=i;for(;t&&!e.isInline(t)&&!n;)t=t.nextSibling,n=Cc(t)}n||(n=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const o of t){if(o.item.is("element")&&e.isObject(o.item))break;if("text"==o.type){n=o.item.getAttributes();break}}}return n}_fixGraveyardSelection(t){const e=this._model.schema.getNearestSelectionRange(t);e&&this._pushRange(e)}}function Cc(t){return t instanceof Ga||t instanceof $a?t.getAttributes():null}class Ac{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}const vc=function(t){return Co(t,5)};class yc extends Ac{elementToElement(t){return this.add(function(t){return(t=vc(t)).view=Dc(t.view,"container"),e=>{var n;if(e.on("insert:"+t.model,(n=t.view,(t,e,o)=>{const i=n(e.item,o);if(!i)return;if(!o.consumable.consume(e.item,"insert"))return;const r=o.mapper.toViewPosition(e.range.start);o.mapper.bindElements(e.item,i),o.writer.insert(r,i)}),{priority:t.converterPriority||"normal"}),t.triggerBy){if(t.triggerBy.attributes)for(const n of t.triggerBy.attributes)e._mapReconversionTriggerEvent(t.model,`attribute:${n}:${t.model}`);if(t.triggerBy.children)for(const n of t.triggerBy.children)e._mapReconversionTriggerEvent(t.model,`insert:${n}`),e._mapReconversionTriggerEvent(t.model,`remove:${n}`)}}}(t))}attributeToElement(t){return this.add(function(t){t=vc(t);let e="attribute:"+(t.model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=Dc(t.view[e],"attribute");else t.view=Dc(t.view,"attribute");const n=Sc(t);return o=>{o.on(e,function(t){return(e,n,o)=>{const i=t(n.attributeOldValue,o),r=t(n.attributeNewValue,o);if(!i&&!r)return;if(!o.consumable.consume(n.item,e.name))return;const s=o.writer,a=s.document.selection;if(n.item instanceof dc||n.item instanceof wc)s.wrap(a.getFirstRange(),r);else{let t=o.mapper.toViewRange(n.range);null!==n.attributeOldValue&&i&&(t=s.unwrap(t,i)),null!==n.attributeNewValue&&r&&s.wrap(t,r)}}}(n),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=vc(t);let e="attribute:"+(t.model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=Bc(t.view[e]);else t.view=Bc(t.view);const n=Sc(t);return o=>{var i;o.on(e,(i=n,(t,e,n)=>{const o=i(e.attributeOldValue,n),r=i(e.attributeNewValue,n);if(!o&&!r)return;if(!n.consumable.consume(e.item,t.name))return;const a=n.mapper.toViewElement(e.item),c=n.writer;if(!a)throw new s("conversion-attribute-to-attribute-on-text",[e,n]);if(null!==e.attributeOldValue&&o)if("class"==o.key){const t=To(o.value);for(const e of t)c.removeClass(e,a)}else if("style"==o.key){const t=Object.keys(o.value);for(const e of t)c.removeStyle(e,a)}else c.removeAttribute(o.key,a);if(null!==e.attributeNewValue&&r)if("class"==r.key){const t=To(r.value);for(const e of t)c.addClass(e,a)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)c.setStyle(e,r.value[e],a)}else c.setAttribute(r.key,r.value,a)}),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=vc(t)).view=Dc(t.view,"ui"),e=>{var n;e.on("addMarker:"+t.model,(n=t.view,(t,e,o)=>{e.isOpening=!0;const i=n(e,o);e.isOpening=!1;const r=n(e,o);if(!i||!r)return;const s=e.markerRange;if(s.isCollapsed&&!o.consumable.consume(s,t.name))return;for(const e of s)if(!o.consumable.consume(e.item,t.name))return;const a=o.mapper,c=o.writer;c.insert(a.toViewPosition(s.start),i),o.mapper.bindElementToMarker(i,e.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),o.mapper.bindElementToMarker(r,e.markerName)),t.stop()}),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,n)=>{const o=n.mapper.markerNameToElements(e.markerName);if(o){for(const t of o)n.mapper.unbindElementFromMarkerName(t,e.markerName),n.writer.clear(n.writer.createRangeOn(t),t);n.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{var n;e.on("addMarker:"+t.model,(n=t.view,(t,e,o)=>{if(!e.item)return;if(!(e.item instanceof dc||e.item instanceof wc||e.item.is("$textProxy")))return;const i=Tc(n,e,o);if(!i)return;if(!o.consumable.consume(e.item,t.name))return;const r=o.writer,s=xc(r,i),a=r.document.selection;if(e.item instanceof dc||e.item instanceof wc)r.wrap(a.getFirstRange(),s,a);else{const t=o.mapper.toViewRange(e.range),n=r.wrap(t,s);for(const t of n.getItems())if(t.is("attributeElement")&&t.isSimilar(s)){o.mapper.bindElementToMarker(t,e.markerName);break}}}),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,n,o)=>{if(!n.item)return;if(!(n.item instanceof Za))return;const i=Tc(t,n,o);if(!i)return;if(!o.consumable.test(n.item,e.name))return;const r=o.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){o.consumable.consume(n.item,e.name);for(const t of nc._createIn(n.item))o.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,i,o.writer),o.mapper.bindElementToMarker(r,n.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,n,o)=>{if(n.markerRange.isCollapsed)return;const i=Tc(t,n,o);if(!i)return;const r=xc(o.writer,i),s=o.mapper.markerNameToElements(n.markerName);if(s){for(const t of s)o.mapper.unbindElementFromMarkerName(t,n.markerName),t.is("attributeElement")?o.writer.unwrap(o.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,i.id,o.writer);o.writer.clearClonedElementsGroup(n.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}markerToData(t){return this.add(function(t){const e=(t=vc(t)).model;t.view||(t.view=n=>({group:e,name:n.substr(t.model.length+1)}));return n=>{var o;n.on("addMarker:"+e,(o=t.view,(t,e,n)=>{const i=o(e.markerName,n);if(!i)return;const r=e.markerRange;n.consumable.consume(r,t.name)&&(Ec(r,!1,n,e,i),Ec(r,!0,n,e,i),t.stop())}),{priority:t.converterPriority||"normal"}),n.on("removeMarker:"+e,function(t){return(e,n,o)=>{const i=t(n.markerName,o);if(!i)return;const r=o.mapper.markerNameToElements(n.markerName);if(r){for(const t of r)o.mapper.unbindElementFromMarkerName(t,n.markerName),t.is("containerElement")?(s(`data-${i.group}-start-before`,t),s(`data-${i.group}-start-after`,t),s(`data-${i.group}-end-before`,t),s(`data-${i.group}-end-after`,t)):o.writer.clear(o.writer.createRangeOn(t),t);o.writer.clearClonedElementsGroup(n.markerName),e.stop()}function s(t,e){if(e.hasAttribute(t)){const n=new Set(e.getAttribute(t).split(","));n.delete(i.name),0==n.size?o.writer.removeAttribute(t,e):o.writer.setAttribute(t,Array.from(n).join(","),e)}}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function xc(t,e){const n=t.createAttributeElement("span",e.attributes);return e.classes&&n._addClass(e.classes),"number"==typeof e.priority&&(n._priority=e.priority),n._id=e.id,n}function Ec(t,e,n,o,i){const r=e?t.start:t.end,s=r.nodeAfter&&r.nodeAfter.is("element")?r.nodeAfter:null,a=r.nodeBefore&&r.nodeBefore.is("element")?r.nodeBefore:null;if(s||a){let t,r;e&&s||!e&&!a?(t=s,r=!0):(t=a,r=!1);const c=n.mapper.toViewElement(t);if(c)return void function(t,e,n,o,i,r){const s=`data-${r.group}-${e?"start":"end"}-${n?"before":"after"}`,a=t.hasAttribute(s)?t.getAttribute(s).split(","):[];a.unshift(r.name),o.writer.setAttribute(s,a.join(","),t),o.mapper.bindElementToMarker(t,i.markerName)}(c,e,r,n,o,i)}!function(t,e,n,o,i){const r=`${i.group}-${e?"start":"end"}`,s=i.name?{name:i.name}:null,a=n.writer.createUIElement(r,s);n.writer.insert(t,a),n.mapper.bindElementToMarker(a,o.markerName)}(n.mapper.toViewPosition(r),e,n,o,i)}function Dc(t,e){return"function"==typeof t?t:(n,o)=>function(t,e,n){"string"==typeof t&&(t={name:t});let o;const i=e.writer,r=Object.assign({},t.attributes);if("container"==n)o=i.createContainerElement(t.name,r);else if("attribute"==n){const e={priority:t.priority||tr.DEFAULT_PRIORITY};o=i.createAttributeElement(t.name,r,e)}else o=i.createUIElement(t.name,r);if(t.styles){const e=Object.keys(t.styles);for(const n of e)i.setStyle(n,t.styles[n],o)}if(t.classes){const e=t.classes;if("string"==typeof e)i.addClass(e,o);else for(const t of e)i.addClass(t,o)}return o}(t,o,e)}function Sc(t){return t.model.values?(e,n)=>{const o=t.view[e];return o?o(e,n):null}:t.view}function Bc(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function Tc(t,e,n){const o="function"==typeof t?t(e,n):t;return o?(o.priority||(o.priority=10),o.id||(o.id=e.markerName),o):null}function Pc(t){const{schema:e,document:n}=t.model;for(const o of n.getRootNames()){const i=n.getRoot(o);if(i.isEmpty&&!e.checkChild(i,"$text")&&e.checkChild(i,"paragraph"))return t.insertElement("paragraph",i),!0}return!1}function Ic(t,e,n){const o=n.createContext(t);return!!n.checkChild(o,"paragraph")&&!!n.checkChild(o.push("paragraph"),e)}function Rc(t,e){const n=e.createElement("paragraph");return e.insert(n,t),e.createPositionAt(n,0)}class zc extends Ac{elementToElement(t){return this.add(Fc(t))}elementToAttribute(t){return this.add(function(t){Mc(t=vc(t));const e=Vc(t,!1),n=Nc(t.view),o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=vc(t);let e=null;("string"==typeof t.view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let n;if("class"==e||"style"==e){n={["class"==e?"classes":"styles"]:t.view.value}}else{n={attributes:{[e]:void 0===t.view.value?/[\s\S]*/:t.view.value}}}t.view.name&&(n.name=t.view.name);return t.view=n,e}(t));Mc(t,e);const n=Vc(t,!0);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=(t,n)=>{const o="string"==typeof e?e:e(t,n);return n.writer.createElement("$marker",{"data-name":o})}}(t=vc(t)),Fc(t)}(t))}dataToMarker(t){return this.add(function(t){(t=vc(t)).model||(t.model=e=>e?t.view+":"+e:t.view);const e=Oc(Lc(t,"start")),n=Oc(Lc(t,"end"));return o=>{o.on("element:"+t.view+"-start",e,{priority:t.converterPriority||"normal"}),o.on("element:"+t.view+"-end",n,{priority:t.converterPriority||"normal"});const i=r.get("low"),s=r.get("highest"),a=r.get(t.converterPriority)/s;o.on("element",function(t){return(e,n,o)=>{const i=`data-${t.view}`;function r(e,i){for(const r of i){const i=t.model(r,o),s=o.writer.createElement("$marker",{"data-name":i});o.writer.insert(s,e),n.modelCursor.isEqual(e)?n.modelCursor=n.modelCursor.getShiftedBy(1):n.modelCursor=n.modelCursor._getTransformedByInsertion(e,1),n.modelRange=n.modelRange._getTransformedByInsertion(e,1)[0]}}(o.consumable.test(n.viewItem,{attributes:i+"-end-after"})||o.consumable.test(n.viewItem,{attributes:i+"-start-after"})||o.consumable.test(n.viewItem,{attributes:i+"-end-before"})||o.consumable.test(n.viewItem,{attributes:i+"-start-before"}))&&(n.modelRange||Object.assign(n,o.convertChildren(n.viewItem,n.modelCursor)),o.consumable.consume(n.viewItem,{attributes:i+"-end-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(i+"-end-after").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-start-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(i+"-start-after").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-end-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(i+"-end-before").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-start-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(i+"-start-before").split(",")))}}(t),{priority:i+a})}}(t))}}function Fc(t){const e=Oc(t=vc(t)),n=Nc(t.view),o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"normal"})}}function Nc(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function Oc(t){const e=new Wo(t.view);return(n,o,i)=>{const r=e.match(o.viewItem);if(!r)return;const s=r.match;if(s.name=!0,!i.consumable.test(o.viewItem,s))return;const a=function(t,e,n){return t instanceof Function?t(e,n):n.writer.createElement(t)}(t.model,o.viewItem,i);a&&i.safeInsert(a,o.modelCursor)&&(i.consumable.consume(o.viewItem,s),i.convertChildren(o.viewItem,a),i.updateConversionResult(a,o))}}function Mc(t,e=null){const n=null===e||(t=>t.getAttribute(e)),o="object"!=typeof t.model?t.model:t.model.key,i="object"!=typeof t.model||void 0===t.model.value?n:t.model.value;t.model={key:o,value:i}}function Vc(t,e){const n=new Wo(t.view);return(o,i,r)=>{const s=n.match(i.viewItem);if(!s)return;if(!function(t,e){const n="function"==typeof t?t(e):t;if("object"==typeof n&&!Nc(n))return!1;return!n.classes&&!n.attributes&&!n.styles}(t.view,i.viewItem)?delete s.match.name:s.match.name=!0,!r.consumable.test(i.viewItem,s.match))return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(i.viewItem,r):t.model.value;if(null===c)return;i.modelRange||Object.assign(i,r.convertChildren(i.viewItem,i.modelCursor));const l=function(t,e,n,o){let i=!1;for(const r of Array.from(t.getItems({shallow:n})))o.schema.checkAttribute(r,e.key)&&(i=!0,r.hasAttribute(e.key)||o.writer.setAttribute(e.key,e.value,r));return i}(i.modelRange,{key:a,value:c},e,r);l&&r.consumable.consume(i.viewItem,s.match)}}function Lc(t,e){const n={};return n.view=t.view+"-"+e,n.model=(e,n)=>{const o=e.getAttribute("name"),i=t.model(o,n);return n.writer.createElement("$marker",{"data-name":i})},n}class Hc{constructor(t,e){this.model=t,this.view=new ja(e),this.mapper=new oc,this.downcastDispatcher=new sc({mapper:this.mapper,schema:t.schema});const n=this.model.document,o=n.selection,i=this.model.markers;this.listenTo(this.model,"_beforeChanges",(()=>{this.view._disableRendering(!0)}),{priority:"highest"}),this.listenTo(this.model,"_afterChanges",(()=>{this.view._disableRendering(!1)}),{priority:"lowest"}),this.listenTo(n,"change",(()=>{this.view.change((t=>{this.downcastDispatcher.convertChanges(n.differ,i,t),this.downcastDispatcher.convertSelection(o,i,t)}))}),{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,o)=>{const i=o.newSelection,r=[];for(const t of i.getRanges())r.push(e.toModelRange(t));const s=t.createSelection(r,{backward:i.isBackward});s.isEqual(t.document.selection)||t.change((t=>{t.setSelection(s)}))}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",((t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)}),{priority:"lowest"}),this.downcastDispatcher.on("remove",((t,e,n)=>{const o=n.mapper.toViewPosition(e.position),i=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(i,{isPhantom:!0}),s=n.writer.createRange(o,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)}),{priority:"low"}),this.downcastDispatcher.on("selection",((t,e,n)=>{const o=n.writer,i=o.document.selection;for(const t of i.getRanges())t.isCollapsed&&t.end.parent.isAttached()&&n.writer.mergeAttributes(t.start);o.setSelection(null)}),{priority:"high"}),this.downcastDispatcher.on("selection",((t,e,n)=>{const o=e.selection;if(o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=[];for(const t of o.getRanges()){const e=n.mapper.toViewRange(t);i.push(e)}n.writer.setSelection(i,{backward:o.isBackward})}),{priority:"low"}),this.downcastDispatcher.on("selection",((t,e,n)=>{const o=e.selection;if(!o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=n.writer,r=o.getFirstPosition(),s=n.mapper.toViewPosition(r),a=i.breakAttributes(s);i.setSelection(a)}),{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using((t=>{if("$graveyard"==t.rootName)return null;const e=new Oi(this.view.document,t.name);return e.rootName=t.rootName,this.mapper.bindElements(t,e),e}))}destroy(){this.view.destroy(),this.stopListening()}}he(Hc,se);class qc{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const n=this.get(t);if(!n)throw new s("commandcollection-command-not-found",this,{commandName:t});return n.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}class Wc{constructor(){this._consumables=new Map}add(t,e){let n;t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?n=this._consumables.get(t):(n=new jc(t),this._consumables.set(t,n)),n.add(e))}test(t,e){const n=this._consumables.get(t);return void 0===n?null:t.is("$text")||t.is("documentFragment")?n:n.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const n=this._consumables.get(t);void 0!==n&&(t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!0):n.revert(e))}static consumablesFromElement(t){const e={element:t,name:!0,attributes:[],classes:[],styles:[]},n=t.getAttributeKeys();for(const t of n)"style"!=t&&"class"!=t&&e.attributes.push(t);const o=t.getClassNames();for(const t of o)e.classes.push(t);const i=t.getStyleNames();for(const t of i)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new Wc(t)),t.is("$text"))return e.add(t),e;t.is("element")&&e.add(t,Wc.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const n of t.getChildren())e=Wc.createFrom(n,e);return e}}class jc{constructor(t){this.element=t,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const n=this._test(e,t[e]);if(!0!==n)return n}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const n=Bt(e)?e:[e],o=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new s("viewconsumable-invalid-attribute",this);if(o.set(e,!0),"styles"===t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))o.set(t,!0)}}_test(t,e){const n=Bt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){const t=o.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",n=this._test(t,[...this._consumables[t].keys()]);if(!0!==n)return n}return!0}_consume(t,e){const n=Bt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){if(o.set(e,!1),"styles"==t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))o.set(t,!1)}else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=Bt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){!1===o.get(e)&&o.set(e,!0)}else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class Uc{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",((t,e)=>{e[0]=new $c(e[0])}),{priority:"highest"}),this.on("checkChild",((t,e)=>{e[0]=new $c(e[0]),e[1]=this.getDefinition(e[1])}),{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new s("schema-cannot-register-item-twice",this,{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new s("schema-cannot-extend-missing-item",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("$text")||t.is("$textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!!e&&!(!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!!e&&!!(e.isObject||e.isLimit&&e.isSelectable&&e.isContent)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}isSelectable(t){const e=this.getDefinition(t);return!!e&&!(!e.isSelectable&&!e.isObject)}isContent(t){const e=this.getDefinition(t);return!!e&&!(!e.isContent&&!e.isObject)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);return!!n&&n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof Qa){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof Za))throw new s("schema-check-merge-no-element-before",this);if(!(n instanceof Za))throw new s("schema-check-merge-no-element-after",this);return this.checkMerge(e,n)}for(const n of e.getChildren())if(!this.checkChild(t,n))return!1;return!0}addChildCheck(t){this.on("checkChild",((e,[n,o])=>{if(!o)return;const i=t(n,o);"boolean"==typeof i&&(e.stop(),e.return=i)}),{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",((e,[n,o])=>{const i=t(n,o);"boolean"==typeof i&&(e.stop(),e.return=i)}),{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;if(t instanceof Qa)e=t.parent;else{e=(t instanceof nc?[t]:Array.from(t.getRanges())).reduce(((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n}),null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new $a("",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new nc(t);let n,o;const i=t.getAncestors().reverse().find((t=>this.isLimit(t)))||t.root;"both"!=e&&"backward"!=e||(n=new Ja({boundaries:nc._createIn(i),startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(o=new Ja({boundaries:nc._createIn(i),startPosition:t}));for(const t of function*(t,e){let n=!1;for(;!n;){if(n=!0,t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}}}(n,o)){const e=t.walker==n?"elementEnd":"elementStart",o=t.value;if(o.type==e&&this.isObject(o.item))return nc._createOn(o.item);if(this.checkChild(o.nextPosition,"$text"))return new nc(o.nextPosition)}return null}findAllowedParent(t,e){let n=t.parent;for(;n;){if(this.checkChild(n,e))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t)if(n.is("$text"))rl(this,n,e);else{const t=nc._createIn(n).getPositions();for(const n of t){rl(this,n.nodeBefore||n.parent,e)}}}createContext(t){return new $c(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const o of n)t[o]=Gc(e[o],o);for(const e of n)Kc(t,e);for(const e of n)Zc(t,e);for(const e of n)Jc(t,e);for(const e of n)Yc(t,e),Qc(t,e);for(const e of n)Xc(t,e),tl(t,e),el(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const o=e.getItem(n);if(t.allowIn.includes(o.name)){if(0==n)return!0;{const t=this.getDefinition(o);return this._checkContextMatch(t,e,n-1)}}return!1}*_getValidRangesForRange(t,e){let n=t.start,o=t.start;for(const i of t.getItems({shallow:!0}))i.is("element")&&(yield*this._getValidRangesForRange(nc._createIn(i),e)),this.checkAttribute(i,e)||(n.isEqual(o)||(yield new nc(n,o)),n=Qa._createAfter(i)),o=Qa._createAfter(i);n.isEqual(o)||(yield new nc(n,o))}}he(Uc,se);class $c{constructor(t){if(t instanceof $c)return t;"string"==typeof t?t=[t]:Array.isArray(t)||(t=t.getAncestors({includeSelf:!0})),this._items=t.map(il)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(t){const e=new $c([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map((t=>t.name))}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}startsWith(t){return Array.from(this.getNames()).join(" ").startsWith(t)}}function Gc(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],allowChildren:[],inheritTypesFrom:[]};return function(t,e){for(const n of t){const t=Object.keys(n).filter((t=>t.startsWith("is")));for(const o of t)e[o]=n[o]}}(t,n),nl(t,n,"allowIn"),nl(t,n,"allowContentOf"),nl(t,n,"allowWhere"),nl(t,n,"allowAttributes"),nl(t,n,"allowAttributesOf"),nl(t,n,"allowChildren"),nl(t,n,"inheritTypesFrom"),function(t,e){for(const n of t){const t=n.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,n),n}function Kc(t,e){const n=t[e];for(const o of n.allowChildren){const n=t[o];n&&n.allowIn.push(e)}n.allowChildren.length=0}function Zc(t,e){for(const n of t[e].allowContentOf)if(t[n]){ol(t,n).forEach((t=>{t.allowIn.push(e)}))}delete t[e].allowContentOf}function Jc(t,e){for(const n of t[e].allowWhere){const o=t[n];if(o){const n=o.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function Yc(t,e){for(const n of t[e].allowAttributesOf){const o=t[n];if(o){const n=o.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function Qc(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const o=t[e];if(o){const t=Object.keys(o).filter((t=>t.startsWith("is")));for(const e of t)e in n||(n[e]=o[e])}}delete n.inheritTypesFrom}function Xc(t,e){const n=t[e],o=n.allowIn.filter((e=>t[e]));n.allowIn=Array.from(new Set(o))}function tl(t,e){const n=t[e];for(const o of n.allowIn){t[o].allowChildren.push(e)}}function el(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function nl(t,e,n){for(const o of t)"string"==typeof o[n]?e[n].push(o[n]):Array.isArray(o[n])&&e[n].push(...o[n])}function ol(t,e){const n=t[e];return(o=t,Object.keys(o).map((t=>o[t]))).filter((t=>t.allowIn.includes(n.name)));var o}function il(t){return"string"==typeof t||t.is("documentFragment")?{name:"string"==typeof t?t:"$documentFragment",*getAttributeKeys(){},getAttribute(){}}:{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}function rl(t,e,n){for(const o of e.getAttributeKeys())t.checkAttribute(e,o)||n.removeAttribute(o,e)}class sl{constructor(t={}){this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.safeInsert=this._safeInsert.bind(this),this.conversionApi.updateConversionResult=this._updateConversionResult.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const o of new $c(t)){const t={};for(const e of o.getAttributeKeys())t[e]=o.getAttribute(e);const i=e.createElement(o.name,t);n&&e.append(i,n),n=Qa._createAt(i,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=Wc.createFrom(t),this.conversionApi.store={};const{modelRange:o}=this._convertItem(t,this._modelCursor),i=e.createDocumentFragment();if(o){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,i);i.markers=function(t,e){const n=new Set,o=new Map,i=nc._createIn(t).getItems();for(const t of i)"$marker"==t.name&&n.add(t);for(const t of n){const n=t.getAttribute("data-name"),i=e.createPositionBefore(t);o.has(n)?o.get(n).end=i.clone():o.set(n,new nc(i.clone())),e.remove(t)}return o}(i,e)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,i}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,n,this.conversionApi):t.is("$text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof nc))throw new s("view-conversion-dispatcher-incorrect-result",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){let n=e.is("position")?e:Qa._createAt(e,0);const o=new nc(n);for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,n);t.modelRange instanceof nc&&(o.end=t.modelRange.end,n=t.modelCursor)}return{modelRange:o,modelCursor:n}}_safeInsert(t,e){const n=this._splitToAllowedParent(t,e);return!!n&&(this.conversionApi.writer.insert(t,n.position),!0)}_updateConversionResult(t,e){const n=this._getSplitParts(t),o=this.conversionApi.writer;e.modelRange||(e.modelRange=o.createRange(o.createPositionBefore(t),o.createPositionAfter(n[n.length-1])));const i=this._cursorParents.get(t);e.modelCursor=i?o.createPositionAt(i,0):e.modelRange.end}_splitToAllowedParent(t,e){const{schema:n,writer:o}=this.conversionApi;let i=n.findAllowedParent(e,t);if(i){if(i===e.parent)return{position:e};this._modelCursor.parent.getAncestors().includes(i)&&(i=null)}if(!i)return Ic(e,t,n)?{position:Rc(e,o)}:null;const r=this.conversionApi.writer.split(e,i),s=[];for(const t of r.range.getWalker())if("elementEnd"==t.type)s.push(t.item);else{const e=s.pop(),n=t.item;this._registerSplitPair(e,n)}const a=r.range.end.parent;return this._cursorParents.set(t,a),{position:r.position,cursorParent:a}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const n=this._splitParts.get(t);this._splitParts.set(e,n),n.push(e)}_getSplitParts(t){let e;return e=this._splitParts.has(t)?this._splitParts.get(t):[t],e}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}he(sl,g);class al{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class cl{constructor(t){this.domParser=new DOMParser,this.domConverter=new Cs(t,{renderingMode:"data"}),this.htmlWriter=new al}toData(t){const e=this.domConverter.viewToDom(t,document);return this.htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this.domConverter.domToView(e)}registerRawContentMatcher(t){this.domConverter.registerRawContentMatcher(t)}useFillerType(t){this.domConverter.blockFillerMode="marked"==t?"markedNbsp":"nbsp"}_toDom(t){t.match(/<(?:html|body|head|meta)(?:\s[^>]*)?>/i)||(t=`<body>${t}</body>`);const e=this.domParser.parseFromString(t,"text/html"),n=e.createDocumentFragment(),o=e.body.childNodes;for(;o.length>0;)n.appendChild(o[0]);return n}}class ll{constructor(t,e){this.model=t,this.mapper=new oc,this.downcastDispatcher=new sc({mapper:this.mapper,schema:t.schema}),this.downcastDispatcher.on("insert:$text",((t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)}),{priority:"lowest"}),this.upcastDispatcher=new sl({schema:t.schema}),this.viewDocument=new Xi(e),this.stylesProcessor=e,this.htmlProcessor=new cl(this.viewDocument),this.processor=this.htmlProcessor,this._viewWriter=new vr(this.viewDocument),this.upcastDispatcher.on("text",((t,e,{schema:n,consumable:o,writer:i})=>{let r=e.modelCursor;if(!o.test(e.viewItem))return;if(!n.checkChild(r,"$text")){if(!Ic(r,"$text",n))return;r=Rc(r,i)}o.consume(e.viewItem);const s=i.createText(e.viewItem.data);i.insert(s,r),e.modelRange=i.createRange(r,r.getShiftedBy(s.offsetSize)),e.modelCursor=e.modelRange.end}),{priority:"lowest"}),this.upcastDispatcher.on("element",((t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=o}}),{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",((t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=o}}),{priority:"lowest"}),this.decorate("init"),this.decorate("set"),this.decorate("get"),this.on("init",(()=>{this.fire("ready")}),{priority:"lowest"}),this.on("ready",(()=>{this.model.enqueueChange({isUndoable:!1},Pc)}),{priority:"lowest"})}get(t={}){const{rootName:e="main",trim:n="empty"}=t;if(!this._checkIfRootsExists([e]))throw new s("datacontroller-get-non-existent-root",this);const o=this.model.document.getRoot(e);return"empty"!==n||this.model.hasContent(o,{ignoreWhitespaces:!0})?this.stringify(o,t):""}stringify(t,e={}){const n=this.toView(t,e);return this.processor.toData(n)}toView(t,e={}){const n=this.viewDocument,o=this._viewWriter;this.mapper.clearBindings();const i=nc._createIn(t),r=new Ar(n);this.mapper.bindElements(t,r),this.downcastDispatcher.conversionApi.options=e,this.downcastDispatcher.convertInsert(i,o);const s=t.is("documentFragment")?Array.from(t.markers):function(t){const e=[],n=t.root.document;if(!n)return[];const o=nc._createIn(t);for(const t of n.model.markers){const n=t.getRange(),i=n.isCollapsed,r=n.start.isEqual(o.start)||n.end.isEqual(o.end);if(i&&r)e.push([t.name,n]);else{const i=o.getIntersection(n);i&&e.push([t.name,i])}}return e.sort((([t,e],[n,o])=>{if("after"!==e.end.compareWith(o.start))return 1;if("before"!==e.start.compareWith(o.end))return-1;switch(e.start.compareWith(o.start)){case"before":return 1;case"after":return-1;default:switch(e.end.compareWith(o.end)){case"before":return 1;case"after":return-1;default:return n.localeCompare(t)}}}))}(t);for(const[t,e]of s)this.downcastDispatcher.convertMarkerAdd(t,e,o);return delete this.downcastDispatcher.conversionApi.options,r}init(t){if(this.model.document.version)throw new s("datacontroller-init-document-not-empty",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new s("datacontroller-init-non-existent-root",this);return this.model.enqueueChange({isUndoable:!1},(t=>{for(const n of Object.keys(e)){const o=this.model.document.getRoot(n);t.insert(this.parse(e[n],o),o,0)}})),Promise.resolve()}set(t,e={}){let n={};if("string"==typeof t?n.main=t:n=t,!this._checkIfRootsExists(Object.keys(n)))throw new s("datacontroller-set-non-existent-root",this);this.model.enqueueChange(e.batchType||{},(t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const e of Object.keys(n)){const o=this.model.document.getRoot(e);t.remove(t.createRangeIn(o)),t.insert(this.parse(n[e],o),o,0)}}))}parse(t,e="$root"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e="$root"){return this.model.change((n=>this.upcastDispatcher.convert(t,n,e)))}addStyleProcessorRules(t){t(this.stylesProcessor)}registerRawContentMatcher(t){this.processor&&this.processor!==this.htmlProcessor&&this.processor.registerRawContentMatcher(t),this.htmlProcessor.registerRawContentMatcher(t)}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}he(ll,se);class dl{constructor(t,e){this._helpers=new Map,this._downcast=To(t),this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=To(e),this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const n=this._downcast.includes(e);if(!this._upcast.includes(e)&&!n)throw new s("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t))throw new s("conversion-for-unknown-group",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:n}of ul(t))this.for("upcast").elementToElement({model:e,view:n,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:n}of ul(t))this.for("upcast").elementToAttribute({view:n,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:n}of ul(t))this.for("upcast").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new s("conversion-group-exists",this);const o=n?new yc(e):new zc(e);this._helpers.set(t,o)}}function*ul(t){if(t.model.values)for(const e of t.model.values){const n={key:t.model.key,value:e},o=t.view[e],i=t.upcastAlso?t.upcastAlso[e]:void 0;yield*hl(n,o,i)}else yield*hl(t.model,t.view,t.upcastAlso)}function*hl(t,e,n){if(yield{model:t,view:e},n)for(const e of To(n))yield{model:t,view:e}}class pl{constructor(t={}){"string"==typeof t&&(t="transparent"===t?{isUndoable:!1}:{},a("batch-constructor-deprecated-string-type"));const{isUndoable:e=!0,isLocal:n=!0,isUndo:o=!1,isTyping:i=!1}=t;this.operations=[],this.isUndoable=e,this.isLocal=n,this.isUndo=o,this.isTyping=i}get type(){return a("batch-type-deprecated"),"default"}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}class ml{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class gl{constructor(t){this.markers=new Map,this._children=new Ka,t&&this._insertChild(0,t)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"===t||"model:documentFragment"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const n of t)n.name?e.push(Za.fromJSON(n)):e.push($a.fromJSON(n));return new gl(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new $a(t)];Do(t)||(t=[t]);return Array.from(t).map((t=>"string"==typeof t?new $a(t):t instanceof Ga?new $a(t.data,t.getAttributes()):t))}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}}function fl(t,e){const n=(e=wl(e)).reduce(((t,e)=>t+e.offsetSize),0),o=t.parent;Cl(t);const i=t.index;return o._insertChild(i,e),_l(o,i+e.length),_l(o,i),new nc(t,t.getShiftedBy(n))}function bl(t){if(!t.isFlat)throw new s("operation-utils-remove-range-not-flat",this);const e=t.start.parent;Cl(t.start),Cl(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return _l(e,t.start.index),n}function kl(t,e){if(!t.isFlat)throw new s("operation-utils-move-range-not-flat",this);const n=bl(t);return fl(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function wl(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new $a(t[n]));else if(t[n]instanceof Ga)e.push(new $a(t[n].data,t[n].getAttributes()));else if(t[n]instanceof gl||t[n]instanceof Ka)for(const o of t[n])e.push(o);else t[n]instanceof Ua&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],o=e[t-1];n instanceof $a&&o instanceof $a&&Al(n,o)&&(e.splice(t-1,2,new $a(o.data+n.data,o.getAttributes())),t--)}return e}function _l(t,e){const n=t.getChild(e-1),o=t.getChild(e);if(n&&o&&n.is("$text")&&o.is("$text")&&Al(n,o)){const i=new $a(n.data+o.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,i)}}function Cl(t){const e=t.textNode,n=t.parent;if(e){const o=t.offset-e.startOffset,i=e.index;n._removeChildren(i,1);const r=new $a(e.data.substr(0,o),e.getAttributes()),s=new $a(e.data.substr(o),e.getAttributes());n._insertChild(i,[r,s])}}function Al(t,e){const n=t.getAttributes(),o=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0]))return!1;o.next()}return o.next().done}const vl=function(t,e){return Zs(t,e)};class yl extends ml{constructor(t,e,n,o,i){super(i),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===o?null:o}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new yl(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new yl(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new s("attribute-operation-range-not-flat",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!vl(t.getAttribute(this.key),this.oldValue))throw new s("attribute-operation-wrong-old-value",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new s("attribute-operation-attribute-exists",this,{node:t,key:this.key})}}_execute(){vl(this.oldValue,this.newValue)||function(t,e,n){Cl(t.start),Cl(t.end);for(const o of t.getItems({shallow:!0})){const t=o.is("$textProxy")?o.textNode:o;null!==n?t._setAttribute(e,n):t._removeAttribute(e),_l(t.parent,t.index)}_l(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new yl(nc.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class xl extends ml{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new s("detach-operation-on-document-node",this)}_execute(){bl(nc._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class El extends ml{constructor(t,e,n,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,n=this.sourcePosition.offset,o=this.targetPosition.offset;if(n+this.howMany>t.maxOffset)throw new s("move-operation-nodes-do-not-exist",this);if(t===e&&n<o&&o<n+this.howMany)throw new s("move-operation-range-into-itself",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==Oo(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany)throw new s("move-operation-node-into-itself",this)}}_execute(){kl(nc._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const n=Qa.fromJSON(t.sourcePosition,e),o=Qa.fromJSON(t.targetPosition,e);return new this(n,t.howMany,o,t.baseVersion)}}class Dl extends ml{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new Ka(wl(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new Ka([...this.nodes].map((t=>t._clone(!0)))),e=new Dl(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new Qa(t,[0]);return new El(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new s("insert-operation-position-invalid",this)}_execute(){const t=this.nodes;this.nodes=new Ka([...t].map((t=>t._clone(!0)))),fl(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes)e.name?n.push(Za.fromJSON(e)):n.push($a.fromJSON(e));const o=new Dl(Qa.fromJSON(t.position,e),n,t.baseVersion);return o.shouldReceiveAttributes=t.shouldReceiveAttributes,o}}class Sl extends ml{constructor(t,e,n,o,i,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=n?n.clone():null,this.affectsData=i,this._markers=o}get type(){return"marker"}clone(){return new Sl(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Sl(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new Sl(t.name,t.oldRange?nc.fromJSON(t.oldRange,e):null,t.newRange?nc.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Bl extends ml{constructor(t,e,n,o){super(o),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=n}get type(){return"rename"}clone(){return new Bl(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Bl(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Za))throw new s("rename-operation-wrong-position",this);if(t.name!==this.oldName)throw new s("rename-operation-wrong-name",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new Bl(Qa.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Tl extends ml{constructor(t,e,n,o,i){super(i),this.root=t,this.key=e,this.oldValue=n,this.newValue=o}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new Tl(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Tl(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new s("rootattribute-operation-not-a-root",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new s("rootattribute-operation-wrong-old-value",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new s("rootattribute-operation-attribute-exists",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new s("rootattribute-operation-fromjson-no-root",this,{rootName:t.root});return new Tl(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Pl extends ml{constructor(t,e,n,o,i){super(i),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=o.clone()}get type(){return"merge"}get deletionPosition(){return new Qa(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new nc(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),n=new Qa(this.sourcePosition.root,e)._getTransformedByMergeOperation(this);return new Il(t,this.howMany,n,this.graveyardPosition,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new s("merge-operation-source-position-invalid",this);if(!e.parent)throw new s("merge-operation-target-position-invalid",this);if(this.howMany!=t.maxOffset)throw new s("merge-operation-how-many-invalid",this)}_execute(){const t=this.sourcePosition.parent;kl(nc._createIn(t),this.targetPosition),kl(nc._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=Qa.fromJSON(t.sourcePosition,e),o=Qa.fromJSON(t.targetPosition,e),i=Qa.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,o,i,t.baseVersion)}}class Il extends ml{constructor(t,e,n,o,i){super(i),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=n,this.graveyardPosition=o?o.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new Qa(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new nc(this.splitPosition,t)}clone(){return new this.constructor(this.splitPosition,this.howMany,this.insertionPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new Qa(t,[0]);return new Pl(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new s("split-operation-position-invalid",this);if(!t.parent)throw new s("split-operation-split-in-root",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new s("split-operation-how-many-invalid",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new s("split-operation-graveyard-position-invalid",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)kl(nc._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();fl(this.insertionPosition,e)}kl(new nc(Qa._createAt(t,this.splitPosition.offset),Qa._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new Qa(t.root,e,"toPrevious")}static fromJSON(t,e){const n=Qa.fromJSON(t.splitPosition,e),o=Qa.fromJSON(t.insertionPosition,e),i=t.graveyardPosition?Qa.fromJSON(t.graveyardPosition,e):null;return new this(n,t.howMany,o,i,t.baseVersion)}}class Rl extends Za{constructor(t,e,n="main"){super(e),this._document=t,this.rootName=n}get document(){return this._document}is(t,e){return e?e===this.name&&("rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t):"rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t||"node"===t||"model:node"===t}toJSON(){return this.rootName}}class zl{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new $a(t,e)}createElement(t,e){return new Za(t,e)}createDocumentFragment(){return new gl}cloneElement(t,e=!0){return t._clone(e)}insert(t,e,n=0){if(this._assertWriterUsedCorrectly(),t instanceof $a&&""==t.data)return;const o=Qa._createAt(e,n);if(t.parent){if(Vl(t.root,o.root))return void this.move(nc._createOn(t),o);if(t.root.document)throw new s("model-writer-insert-forbidden-move",this);this.remove(t)}const i=o.root.document?o.root.document.version:null,r=new Dl(o,t,i);if(t instanceof $a&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof gl)for(const[e,n]of t.markers){const t=Qa._createAt(n.root,0),i={range:new nc(n.start._getCombined(t,o),n.end._getCombined(t,o)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,i):this.addMarker(e,i)}}insertText(t,e,n,o){e instanceof gl||e instanceof Za||e instanceof Qa?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,o)}insertElement(t,e,n,o){e instanceof gl||e instanceof Za||e instanceof Qa?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,o)}append(t,e){this.insert(t,e,"end")}appendText(t,e,n){e instanceof gl||e instanceof Za?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof gl||e instanceof Za?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof nc){const o=n.getMinimalFlatRanges();for(const n of o)Fl(this,t,e,n)}else Nl(this,t,e,n)}setAttributes(t,e){for(const[n,o]of qo(t))this.setAttribute(n,o,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof nc){const n=e.getMinimalFlatRanges();for(const e of n)Fl(this,t,null,e)}else Nl(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof nc)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof nc))throw new s("writer-move-invalid-range",this);if(!t.isFlat)throw new s("writer-move-range-not-flat",this);const o=Qa._createAt(e,n);if(o.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!Vl(t.root,o.root))throw new s("writer-move-different-document",this);const i=t.root.document?t.root.document.version:null,r=new El(t.start,t.end.offset-t.start.offset,o,i);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof nc?t:nc._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),Ml(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,n=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof Za))throw new s("writer-merge-no-element-before",this);if(!(n instanceof Za))throw new s("writer-merge-no-element-after",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore,n=t.nodeAfter;this.move(nc._createIn(n),Qa._createAt(e,"end")),this.remove(n)}_merge(t){const e=Qa._createAt(t.nodeBefore,"end"),n=Qa._createAt(t.nodeAfter,0),o=t.root.document.graveyard,i=new Qa(o,[0]),r=t.root.document.version,s=new Pl(n,t.nodeAfter.maxOffset,e,i,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof Za))throw new s("writer-rename-not-element-instance",this);const n=t.root.document?t.root.document.version:null,o=new Bl(Qa._createBefore(t),t.name,e,n);this.batch.addOperation(o),this.model.applyOperation(o)}split(t,e){this._assertWriterUsedCorrectly();let n,o,i=t.parent;if(!i.parent)throw new s("writer-split-element-no-parent",this);if(e||(e=i.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new s("writer-split-invalid-limit-element",this);do{const e=i.root.document?i.root.document.version:null,r=i.maxOffset-t.offset,s=Il.getInsertionPosition(t),a=new Il(t,r,s,null,e);this.batch.addOperation(a),this.model.applyOperation(a),n||o||(n=i,o=t.parent.nextSibling),i=(t=this.createPositionAfter(t.parent)).parent}while(i!==e);return{position:t,range:new nc(Qa._createAt(n,"end"),Qa._createAt(o,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new s("writer-wrap-range-not-flat",this);const n=e instanceof Za?e:new Za(e);if(n.childCount>0)throw new s("writer-wrap-element-not-empty",this);if(null!==n.parent)throw new s("writer-wrap-element-attached",this);this.insert(n,t.start);const o=new nc(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(o,Qa._createAt(n,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new s("writer-unwrap-element-no-parent",this);this.move(nc._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new s("writer-addmarker-no-usingoperation",this);const n=e.usingOperation,o=e.range,i=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new s("writer-addmarker-marker-exists",this);if(!o)throw new s("writer-addmarker-no-range",this);return n?(Ol(this,t,null,o,i),this.model.markers.get(t)):this.model.markers._set(t,o,n,i)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n="string"==typeof t?t:t.name,o=this.model.markers.get(n);if(!o)throw new s("writer-updatemarker-marker-not-exists",this);if(!e)return void this.model.markers._refresh(o);const i="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,a=r?e.affectsData:o.affectsData;if(!i&&!e.range&&!r)throw new s("writer-updatemarker-wrong-options",this);const c=o.getRange(),l=e.range?e.range:c;i&&e.usingOperation!==o.managedUsingOperations?e.usingOperation?Ol(this,n,null,l,a):(Ol(this,n,c,null,a),this.model.markers._set(n,l,void 0,a)):o.managedUsingOperations?Ol(this,n,c,l,a):this.model.markers._set(n,l,void 0,a)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new s("writer-removemarker-no-marker",this);const n=this.model.markers.get(e);if(!n.managedUsingOperations)return void this.model.markers._remove(e);Ol(this,e,n.getRange(),null,n.affectsData)}setSelection(t,e,n){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._setSelectionAttribute(t,e);else for(const[e,n]of qo(t))this._setSelectionAttribute(e,n)}removeSelectionAttribute(t){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._removeSelectionAttribute(t);else for(const e of t)this._removeSelectionAttribute(e)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const o=wc._getStoreAttributeKey(t);this.setAttribute(o,e,n.anchor.parent)}n._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const n=wc._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new s("writer-incorrect-use",this)}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const o=n.getRange();let i=!1;if("move"===t)i=e.containsPosition(o.start)||e.start.isEqual(o.start)||e.containsPosition(o.end)||e.end.isEqual(o.end);else{const t=e.nodeBefore,n=e.nodeAfter,r=o.start.parent==t&&o.start.isAtEnd,s=o.end.parent==n&&0==o.end.offset,a=o.end.nodeAfter==n,c=o.start.nodeAfter==n;i=r||s||a||c}i&&this.updateMarker(n.name,{range:o})}}}function Fl(t,e,n,o){const i=t.model,r=i.document;let s,a,c,l=o.start;for(const t of o.getWalker({shallow:!0}))c=t.item.getAttribute(e),s&&a!=c&&(a!=n&&d(),l=s),s=t.nextPosition,a=c;function d(){const o=new nc(l,s),c=o.root.document?r.version:null,d=new yl(o,e,a,n,c);t.batch.addOperation(d),i.applyOperation(d)}s instanceof Qa&&s!=l&&a!=n&&d()}function Nl(t,e,n,o){const i=t.model,r=i.document,s=o.getAttribute(e);let a,c;if(s!=n){if(o.root===o){const t=o.document?r.version:null;c=new Tl(o,e,s,n,t)}else{a=new nc(Qa._createBefore(o),t.createPositionAfter(o));const i=a.root.document?r.version:null;c=new yl(a,e,s,n,i)}t.batch.addOperation(c),i.applyOperation(c)}}function Ol(t,e,n,o,i){const r=t.model,s=r.document,a=new Sl(e,n,o,r.markers,i,s.version);t.batch.addOperation(a),r.applyOperation(a)}function Ml(t,e,n,o){let i;if(t.root.document){const n=o.document,r=new Qa(n.graveyard,[0]);i=new El(t,e,r,n.version)}else i=new xl(t,e);n.addOperation(i),o.applyOperation(i)}function Vl(t,e){return t===e||t instanceof Rl&&e instanceof Rl}class Ll{constructor(t){this._markerCollection=t,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}refreshItem(t){if(this._isInInsertedElement(t.parent))return;this._markRemove(t.parent,t.startOffset,t.offsetSize),this._markInsert(t.parent,t.startOffset,t.offsetSize);const e=nc._createOn(t);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}this._cachedChanges=null}bufferOperation(t){switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=nc._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const o=t.targetPosition.parent;this._isInInsertedElement(o)||this._markInsert(o,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,o){const i=this._changedMarkers.get(t);i?(i.newRange=n,i.affectsData=o,null==i.oldRange&&null==i.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:o})}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.oldRange&&t.push({name:e,range:n.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.newRange&&t.push({name:e,range:n.newRange});return t}getChangedMarkers(){return Array.from(this._changedMarkers).map((t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}})))}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();let e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort(((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1)),o=this._elementSnapshots.get(t),i=Hl(t.getChildren()),r=ql(o.length,n);let s=0,a=0;for(const n of r)if("i"===n)e.push(this._getInsertDiff(t,s,i[s].name)),s++;else if("r"===n)e.push(this._getRemoveDiff(t,s,o[a].name)),a++;else if("a"===n){const n=i[s].attributes,r=o[a].attributes;let c;if("$text"==i[s].name)c=new nc(Qa._createAt(t,s),Qa._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new nc(Qa._createAt(t,s),Qa._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,r,n)),s++,a++}else s++,a++}e.sort(((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1));for(let t=1,n=0;t<e.length;t++){const o=e[n],i=e[t],r="remove"==o.type&&"remove"==i.type&&"$text"==o.name&&"$text"==i.name&&o.position.isEqual(i.position),s="insert"==o.type&&"insert"==i.type&&"$text"==o.name&&"$text"==i.name&&o.position.parent==i.position.parent&&o.position.offset+o.length==i.position.offset,a="attribute"==o.type&&"attribute"==i.type&&o.position.parent==i.position.parent&&o.range.isFlat&&i.range.isFlat&&o.position.offset+o.length==i.position.offset&&o.attributeKey==i.attributeKey&&o.attributeOldValue==i.attributeOldValue&&o.attributeNewValue==i.attributeNewValue;r||s||a?(o.length++,a&&(o.range.end=o.range.end.getShiftedBy(1)),e[t]=null):n=t}e=e.filter((t=>t));for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.filter(Wl),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,n){const o={type:"insert",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o)}_markRemove(t,e,n){const o={type:"remove",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o),this._removeAllNestedChanges(t,e,n)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const n=this._getChangesForElement(t);this._handleChange(e,n),n.push(e);for(let t=0;t<n.length;t++)n[t].howMany<1&&(n.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,Hl(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const n of e){const o=t.offset+t.howMany,i=n.offset+n.howMany;if("insert"==t.type&&("insert"==n.type&&(t.offset<=n.offset?n.offset+=t.howMany:t.offset<i&&(n.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==n.type&&t.offset<n.offset&&(n.offset+=t.howMany),"attribute"==n.type))if(t.offset<=n.offset)n.offset+=t.howMany;else if(t.offset<i){const i=n.howMany;n.howMany=t.offset-n.offset,e.unshift({type:"attribute",offset:o,howMany:i-n.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==n.type)if(o<=n.offset)n.offset-=t.howMany;else if(o<=i)if(t.offset<n.offset){const e=o-n.offset;n.offset=t.offset,n.howMany-=e,t.nodesToHandle-=e}else n.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=n.offset)t.nodesToHandle-=n.howMany,n.howMany=0;else if(t.offset<i){const e=i-t.offset;n.howMany-=e,t.nodesToHandle-=e}if("remove"==n.type&&(o<=n.offset?n.offset-=t.howMany:t.offset<n.offset&&(t.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(o<=n.offset)n.offset-=t.howMany;else if(t.offset<n.offset){const e=o-n.offset;n.offset=t.offset,n.howMany-=e}else if(t.offset<i)if(o<=i){const o=n.howMany;n.howMany=t.offset-n.offset;const i=o-n.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:i,count:this._changeCount++})}else n.howMany-=i-t.offset}if("attribute"==t.type){if("insert"==n.type)if(t.offset<n.offset&&o>n.offset){if(o>i){const t={type:"attribute",offset:i,howMany:o-i,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=n.offset&&t.offset<i&&(o>i?(t.nodesToHandle=o-i,t.offset=i):t.nodesToHandle=0);if("remove"==n.type&&t.offset<n.offset&&o>n.offset){const i={type:"attribute",offset:n.offset,howMany:o-n.offset,count:this._changeCount++};this._handleChange(i,e),e.push(i),t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==n.type&&(t.offset>=n.offset&&o<=i?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=n.offset&&o>=i&&(n.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:Qa._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:Qa._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const o=[];n=new Map(n);for(const[i,r]of e){const e=n.has(i)?n.get(i):null;e!==r&&o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:i,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),n.delete(i)}for(const[e,i]of n)o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:i,changeCount:this._changeCount++});return o}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const n=this._changesInElement.get(e),o=t.startOffset;if(n)for(const t of n)if("insert"==t.type&&o>=t.offset&&o<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,n){const o=new nc(Qa._createAt(t,e),Qa._createAt(t,e+n));for(const t of o.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function Hl(t){const e=[];for(const n of t)if(n.is("$text"))for(let t=0;t<n.data.length;t++)e.push({name:"$text",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function ql(t,e){const n=[];let o=0,i=0;for(const t of e){if(t.offset>o){for(let e=0;e<t.offset-o;e++)n.push("e");i+=t.offset-o}if("insert"==t.type){for(let e=0;e<t.howMany;e++)n.push("i");o=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)n.push("r");o=t.offset,i+=t.howMany}else n.push(..."a".repeat(t.howMany).split("")),o=t.offset+t.howMany,i+=t.howMany}if(i<t)for(let e=0;e<t-i-o;e++)n.push("e");return n}function Wl(t){const e=t.position&&"$graveyard"==t.position.root.rootName,n=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!n}class jl{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=Number.NEGATIVE_INFINITY,e=Number.POSITIVE_INFINITY){const n=[];for(const o of this._operations)o.baseVersion>=t&&o.baseVersion<e&&n.push(o);return n}getOperation(t){for(const e of this._operations)if(e.baseVersion==t)return e}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function Ul(t,e){return!!(n=t.charAt(e-1))&&1==n.length&&/[\ud800-\udbff]/.test(n)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var n}function $l(t,e){return!!(n=t.charAt(e))&&1==n.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(n);var n}const Gl="$graveyard";class Kl{constructor(t){this.model=t,this.version=0,this.history=new jl(this),this.selection=new wc(this),this.roots=new So({idProperty:"rootName"}),this.differ=new Ll(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",Gl),this.listenTo(t,"applyOperation",((t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new s("model-document-applyoperation-wrong-version",this,{operation:n})}),{priority:"highest"}),this.listenTo(t,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)}),{priority:"high"}),this.listenTo(t,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))}),{priority:"low"}),this.listenTo(this.selection,"change",(()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0})),this.listenTo(t.markers,"update",((t,e,n,o)=>{this.differ.bufferMarkerChange(e.name,n,o,e.affectsData),null===n&&e.on("change",((t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)}))}))}get graveyard(){return this.getRoot(Gl)}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new s("model-document-createroot-name-exists",this,{name:e});const n=new Rl(this,t,e);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,(t=>t.rootName)).filter((t=>t!=Gl))}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Mo(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",t.batch):this.fire("change",t.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,n=e.schema,o=e.createPositionFromPath(t,[0]);return n.getNearestSelectionRange(o)||e.createRange(o)}_validateSelectionRange(t){return Zl(t.start)&&Zl(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),e=n(t),e)break}while(e)}}function Zl(t){const e=t.textNode;if(e){const n=e.data,o=t.offset-e.startOffset;return!Ul(n,o)&&!$l(n,o)}return!0}he(Kl,g);class Jl{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){const e=t instanceof Yl?t.name:t;return this._markers.has(e)}get(t){return this._markers.get(t)||null}_set(t,e,n=!1,o=!1){const i=t instanceof Yl?t.name:t;if(i.includes(","))throw new s("markercollection-incorrect-marker-name",this);const r=this._markers.get(i);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(gc.fromRange(e)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof o&&o!=r.affectsData&&(r._affectsData=o,s=!0),s&&this.fire("update:"+i,r,t,e),r}const a=gc.fromRange(e),c=new Yl(i,a,n,o);return this._markers.set(i,c),this.fire("update:"+i,c,null,e),c}_remove(t){const e=t instanceof Yl?t.name:t,n=this._markers.get(e);return!!n&&(this._markers.delete(e),this.fire("update:"+e,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(t){const e=t instanceof Yl?t.name:t,n=this._markers.get(e);if(!n)throw new s("markercollection-refresh-marker-not-exists",this);const o=n.getRange();this.fire("update:"+e,n,o,o,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(t){for(const e of this)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}he(Jl,g);class Yl{constructor(t,e,n,o){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=n,this._affectsData=o}get managedUsingOperations(){if(!this._liveRange)throw new s("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new s("marker-destroyed",this);return this._affectsData}getStart(){if(!this._liveRange)throw new s("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new s("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new s("marker-destroyed",this);return this._liveRange.toRange()}is(t){return"marker"===t||"model:marker"===t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}he(Yl,g);class Ql extends ml{get type(){return"noop"}clone(){return new Ql(this.baseVersion)}getReversed(){return new Ql(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const Xl={};Xl[yl.className]=yl,Xl[Dl.className]=Dl,Xl[Sl.className]=Sl,Xl[El.className]=El,Xl[Ql.className]=Ql,Xl[ml.className]=ml,Xl[Bl.className]=Bl,Xl[Tl.className]=Tl,Xl[Il.className]=Il,Xl[Pl.className]=Pl;class td extends Qa{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new s("model-liveposition-root-not-rootelement",t);ed.call(this)}detach(){this.stopListening()}is(t){return"livePosition"===t||"model:livePosition"===t||"position"==t||"model:position"===t}toPosition(){return new Qa(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function ed(){this.listenTo(this.root.document.model,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&nd.call(this,n)}),{priority:"low"})}function nd(t){const e=this.getTransformedByOperation(t);if(!this.isEqual(e)){const t=this.toPosition();this.path=e.path,this.root=e.root,this.fire("change",t)}}he(td,g);class od{constructor(t,e,n){this.model=t,this.writer=e,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._documentFragment=e.createDocumentFragment(),this._documentFragmentPosition=e.createPositionAt(this._documentFragment,0),this._firstNode=null,this._lastNode=null,this._lastAutoParagraph=null,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t){for(const e of Array.from(t))this._handleNode(e);this._insertPartialFragment(),this._lastAutoParagraph&&this._updateLastNodeFromAutoParagraph(this._lastAutoParagraph),this._mergeOnRight(),this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}_updateLastNodeFromAutoParagraph(t){const e=this.writer.createPositionAfter(this._lastNode),n=this.writer.createPositionAfter(t);if(n.isAfter(e)){if(this._lastNode=t,this.position.parent!=t||!this.position.isAtEnd)throw new s("insertcontent-invalid-insertion-position",this);this.position=n,this._setAffectedBoundaries(this.position)}}getSelectionRange(){return this.nodeToSelect?nc._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new nc(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t){if(this.schema.isObject(t))return void this._handleObject(t);let e=this._checkAndAutoParagraphToAllowedPosition(t);e||(e=this._checkAndSplitToAllowedPosition(t),e)?(this._appendToFragment(t),this._firstNode||(this._firstNode=t),this._lastNode=t):this._handleDisallowedNode(t)}_insertPartialFragment(){if(this._documentFragment.isEmpty)return;const t=td.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this._documentFragment.getChild(0)==this._firstNode&&(this.writer.insert(this._firstNode,this.position),this._mergeOnLeft(),this.position=t.toPosition()),this._documentFragment.isEmpty||this.writer.insert(this._documentFragment,this.position),this._documentFragmentPosition=this.writer.createPositionAt(this._documentFragment,0),this.position=t.toPosition(),t.detach()}_handleObject(t){this._checkAndSplitToAllowedPosition(t)?this._appendToFragment(t):this._tryAutoparagraphing(t)}_handleDisallowedNode(t){t.is("element")?this.handleNodes(t.getChildren()):this._tryAutoparagraphing(t)}_appendToFragment(t){if(!this.schema.checkChild(this.position,t))throw new s("insertcontent-wrong-position",this,{node:t,position:this.position});this.writer.insert(t,this._documentFragmentPosition),this._documentFragmentPosition=this._documentFragmentPosition.getShiftedBy(t.offsetSize),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=td.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=td.fromPosition(t,"toNext"))}_mergeOnLeft(){const t=this._firstNode;if(!(t instanceof Za))return;if(!this._canMergeLeft(t))return;const e=td._createBefore(t);e.stickiness="toNext";const n=td.fromPosition(this.position,"toNext");this._affectedStart.isEqual(e)&&(this._affectedStart.detach(),this._affectedStart=td._createAt(e.nodeBefore,"end","toPrevious")),this._firstNode===this._lastNode&&(this._firstNode=e.nodeBefore,this._lastNode=e.nodeBefore),this.writer.merge(e),e.isEqual(this._affectedEnd)&&this._firstNode===this._lastNode&&(this._affectedEnd.detach(),this._affectedEnd=td._createAt(e.nodeBefore,"end","toNext")),this.position=n.toPosition(),n.detach(),this._filterAttributesOf.push(this.position.parent),e.detach()}_mergeOnRight(){const t=this._lastNode;if(!(t instanceof Za))return;if(!this._canMergeRight(t))return;const e=td._createAfter(t);if(e.stickiness="toNext",!this.position.isEqual(e))throw new s("insertcontent-invalid-insertion-position",this);this.position=Qa._createAt(e.nodeBefore,"end");const n=td.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(e)&&(this._affectedEnd.detach(),this._affectedEnd=td._createAt(e.nodeBefore,"end","toNext")),this._firstNode===this._lastNode&&(this._firstNode=e.nodeBefore,this._lastNode=e.nodeBefore),this.writer.merge(e),e.getShiftedBy(-1).isEqual(this._affectedStart)&&this._firstNode===this._lastNode&&(this._affectedStart.detach(),this._affectedStart=td._createAt(e.nodeBefore,0,"toPrevious")),this.position=n.toPosition(),n.detach(),this._filterAttributesOf.push(this.position.parent),e.detach()}_canMergeLeft(t){const e=t.previousSibling;return e instanceof Za&&this.canMergeWith.has(e)&&this.model.schema.checkMerge(e,t)}_canMergeRight(t){const e=t.nextSibling;return e instanceof Za&&this.canMergeWith.has(e)&&this.model.schema.checkMerge(t,e)}_tryAutoparagraphing(t){const e=this.writer.createElement("paragraph");this._getAllowedIn(this.position.parent,e)&&this.schema.checkChild(e,t)&&(e._appendChild(t),this._handleNode(e))}_checkAndAutoParagraphToAllowedPosition(t){if(this.schema.checkChild(this.position.parent,t))return!0;if(!this.schema.checkChild(this.position.parent,"paragraph")||!this.schema.checkChild("paragraph",t))return!1;this._insertPartialFragment();const e=this.writer.createElement("paragraph");return this.writer.insert(e,this.position),this._setAffectedBoundaries(this.position),this._lastAutoParagraph=e,this.position=this.writer.createPositionAt(e,0),!0}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(this.position.parent,t);if(!e)return!1;for(e!=this.position.parent&&this._insertPartialFragment();e!=this.position.parent;)if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&t.parent===e&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}return!0}_getAllowedIn(t,e){return this.schema.checkChild(t,e)?t:this.schema.isLimit(t)?null:this._getAllowedIn(t.parent,e)}}function id(t,e,n={}){if(e.isCollapsed)return;const o=e.getFirstRange();if("$graveyard"==o.root.rootName)return;const i=t.schema;t.change((t=>{if(!n.doNotResetEntireContent&&function(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n))return!1;const o=e.getFirstRange();if(o.start.parent==o.end.parent)return!1;return t.checkChild(n,"paragraph")}(i,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),cd(t,t.createPositionAt(n,0),e)}(t,e);const[r,s]=function(t){const e=t.root.document.model,n=t.start;let o=t.end;if(e.hasContent(t,{ignoreMarkers:!0})){const n=function(t){const e=t.parent,n=e.root.document.model.schema,o=e.getAncestors({parentFirst:!0,includeSelf:!0});for(const t of o){if(n.isLimit(t))return null;if(n.isBlock(t))return t}}(o);if(n&&o.isTouching(e.createPositionAt(n,0))){const n=e.createSelection(t);e.modifySelection(n,{direction:"backward"});const i=n.getLastPosition(),r=e.createRange(i,o);e.hasContent(r,{ignoreMarkers:!0})||(o=i)}}return[td.fromPosition(n,"toPrevious"),td.fromPosition(o,"toNext")]}(o);r.isTouching(s)||t.remove(t.createRange(r,s)),n.leaveUnmerged||(!function(t,e,n){const o=t.model;if(!ad(t.model.schema,e,n))return;const[i,r]=function(t,e){const n=t.getAncestors(),o=e.getAncestors();let i=0;for(;n[i]&&n[i]==o[i];)i++;return[n[i],o[i]]}(e,n);if(!i||!r)return;!o.hasContent(i,{ignoreMarkers:!0})&&o.hasContent(r,{ignoreMarkers:!0})?sd(t,e,n,i.parent):rd(t,e,n,i.parent)}(t,r,s),i.removeDisallowedAttributes(r.parent.getChildren(),t)),ld(t,e,r),!n.doNotAutoparagraph&&function(t,e){const n=t.checkChild(e,"$text"),o=t.checkChild(e,"paragraph");return!n&&o}(i,r)&&cd(t,r,e),r.detach(),s.detach()}))}function rd(t,e,n,o){const i=e.parent,r=n.parent;if(i!=o&&r!=o){for(e=t.createPositionAfter(i),(n=t.createPositionBefore(r)).isEqual(e)||t.insert(r,e),t.merge(e);n.parent.isEmpty;){const e=n.parent;n=t.createPositionBefore(e),t.remove(e)}ad(t.model.schema,e,n)&&rd(t,e,n,o)}}function sd(t,e,n,o){const i=e.parent,r=n.parent;if(i!=o&&r!=o){for(e=t.createPositionAfter(i),(n=t.createPositionBefore(r)).isEqual(e)||t.insert(i,n);e.parent.isEmpty;){const n=e.parent;e=t.createPositionBefore(n),t.remove(n)}n=t.createPositionBefore(r),function(t,e){const n=e.nodeBefore,o=e.nodeAfter;n.name!=o.name&&t.rename(n,o.name);t.clearAttributes(n),t.setAttributes(Object.fromEntries(o.getAttributes()),n),t.merge(e)}(t,n),ad(t.model.schema,e,n)&&sd(t,e,n,o)}}function ad(t,e,n){const o=e.parent,i=n.parent;return o!=i&&(!t.isLimit(o)&&!t.isLimit(i)&&function(t,e,n){const o=new nc(t,e);for(const t of o.getWalker())if(n.isLimit(t.item))return!1;return!0}(e,n,t))}function cd(t,e,n){const o=t.createElement("paragraph");t.insert(o,e),ld(t,n,t.createPositionAt(o,0))}function ld(t,e,n){e instanceof wc?t.setSelection(n):e.setTo(n)}const dd=' ,.?!:;"-()';function ud(t,e){const{isForward:n,walker:o,unit:i,schema:r}=t,{type:s,item:a,nextPosition:c}=e;if("text"==s)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let o=t.position.offset-n.startOffset;for(;!pd(n.data,o,e)&&!md(n,o,e);){t.next();const i=e?t.position.nodeAfter:t.position.nodeBefore;if(i&&i.is("$text")){const o=i.data.charAt(e?0:i.data.length-1);dd.includes(o)||(t.next(),n=t.position.textNode)}o=t.position.offset-n.startOffset}}return t.position}(o,n):function(t,e){const n=t.position.textNode;if(n){const o=n.data;let i=t.position.offset-n.startOffset;for(;Ul(o,i)||"character"==e&&$l(o,i);)t.next(),i=t.position.offset-n.startOffset}return t.position}(o,i);if(s==(n?"elementStart":"elementEnd")){if(r.isSelectable(a))return Qa._createAt(a,n?"after":"before");if(r.checkChild(c,"$text"))return c}else{if(r.isLimit(a))return void o.skip((()=>!0));if(r.checkChild(c,"$text"))return c}}function hd(t,e){const n=t.root,o=Qa._createAt(n,e?"end":0);return e?new nc(t,o):new nc(o,t)}function pd(t,e,n){const o=e+(n?0:-1);return dd.includes(t.charAt(o))}function md(t,e,n){return e===(n?t.endOffset:0)}function gd(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map((t=>e.createRangeOn(t))).filter((e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end)))).forEach((t=>{n.push(t.start.parent),e.remove(t)})),n.forEach((t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}}))}function fd(t){t.document.registerPostFixer((e=>function(t,e){const n=e.document.selection,o=e.schema,i=[];let r=!1;for(const t of n.getRanges()){const e=bd(t,o);e&&!e.isEqual(t)?(i.push(e),r=!0):i.push(t)}r&&t.setSelection(function(t){const e=[...t],n=new Set;let o=1;for(;o<e.length;){const t=e[o],i=e.slice(0,o);for(const[r,s]of i.entries())if(!n.has(r))if(t.isEqual(s))n.add(r);else if(t.isIntersecting(s)){n.add(r),n.add(o);const i=t.getJoined(s);e.push(i)}o++}return e.filter(((t,e)=>!n.has(e)))}(i),{backward:n.isBackward})}(e,t)))}function bd(t,e){return t.isCollapsed?function(t,e){const n=t.start,o=e.getNearestSelectionRange(n);if(!o){const 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i=t.filter((t=>!Xd(t))).filter((t=>t.observable)).map((o=>o.activateAttributeListener(t,e,n)));o&&o.bindings.push(i)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const n in e.attributes){const o=e.attributes[n];null===o?t.removeAttribute(n):t.setAttribute(n,o)}for(let n=0;n<e.children.length;++n)this._revertTemplateFromNode(t.childNodes[n],e.children[n])}}}he(Md,g);class Vd{constructor(t){Object.assign(this,t)}getValue(t){const e=this.observable[this.attribute];return this.callback?this.callback(e,t):e}activateAttributeListener(t,e,n){const o=()=>Wd(t,e,n);return this.emitter.listenTo(this.observable,"change:"+this.attribute,o),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,o)}}}class Ld extends Vd{activateDomEventListener(t,e,n){const o=(t,n)=>{e&&!n.target.matches(e)||("function"==typeof 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uu=n(4499),hu={attributes:{"data-cke":!0}};hu.setAttributes=is(),hu.insert=ns().bind(null,"head"),hu.domAPI=ts(),hu.insertStyleElement=ss();Qr()(uu.Z,hu);uu.Z&&uu.Z.locals&&uu.Z.locals;class pu extends Od{constructor(t){super(t);const e=this.bindTemplate,n=i();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.set("withKeystroke",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new au,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.keystrokeView=this._createKeystrokeView(),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",e.to("class"),e.if("isEnabled","ck-disabled",(t=>!t)),e.if("isVisible","ck-hidden",(t=>!t)),e.to("isOn",(t=>t?"ck-on":"ck-off")),e.if("withText","ck-button_with-text"),e.if("withKeystroke","ck-button_with-keystroke")],type:e.to("type",(t=>t||"button")),tabindex:e.to("tabindex"),"aria-labelledby":`ck-editor__aria-label_${n}`,"aria-disabled":e.if("isEnabled",!0,(t=>!t)),"aria-pressed":e.to("isOn",(t=>!!this.isToggleable&&String(t)))},children:this.children,on:{mousedown:e.to((t=>{t.preventDefault()})),click:e.to((t=>{this.isEnabled?this.fire("execute"):t.preventDefault()}))}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView),this.withKeystroke&&this.keystroke&&this.children.add(this.keystrokeView)}focus(){this.element.focus()}_createTooltipView(){const 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t?{model:t,label:t,hasBorder:!1,view:{name:"span",styles:{color:t}}}:{model:t.color,label:t.label||t.color,hasBorder:void 0!==t.hasBorder&&t.hasBorder,view:{name:"span",styles:{color:`${t.color}`}}}}class _u extends pu{constructor(t){super(t);const e=this.bindTemplate;this.set("color"),this.set("hasBorder"),this.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path class="ck-icon__fill" d="M16.935 5.328a2 2 0 0 1 0 2.829l-7.778 7.778a2 2 0 0 1-2.829 0L3.5 13.107a1.999 1.999 0 1 1 2.828-2.829l.707.707a1 1 0 0 0 1.414 0l5.658-5.657a2 2 0 0 1 2.828 0z"/><path d="M14.814 6.035 8.448 12.4a1 1 0 0 1-1.414 0l-1.413-1.415A1 1 0 1 0 4.207 12.4l2.829 2.829a1 1 0 0 0 1.414 0l7.778-7.778a1 1 0 1 0-1.414-1.415z"/></svg>',this.extendTemplate({attributes:{style:{backgroundColor:e.to("color")},class:["ck","ck-color-grid__tile",e.if("hasBorder","ck-color-table__color-tile_bordered")]}})}render(){super.render(),this.iconView.fillColor="hsl(0, 0%, 100%)"}}function 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_u;e.set({color:t.color,label:t.label,tooltip:!0,hasBorder:t.options.hasBorder}),e.on("execute",(()=>{this.fire("execute",{value:t.color,hasBorder:t.options.hasBorder,label:t.label})})),this.items.add(e)})),this.setTemplate({tag:"div",children:this.items,attributes:{class:["ck","ck-color-grid"],style:o}}),this.on("change:selectedColor",((t,e,n)=>{for(const t of this.items)t.isOn=t.color===n}))}focus(){this.items.length&&this.items.first.focus()}focusLast(){this.items.length&&this.items.last.focus()}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",((t,e)=>{this.focusTracker.add(e.element)})),this.items.on("remove",((t,e)=>{this.focusTracker.remove(e.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}}const Du='<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 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e=this.bindTemplate;this.set("class"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isToggleable",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.actionView=this._createActionView(),this.arrowView=this._createArrowView(),this.keystrokes=new Ia,this.focusTracker=new Pa,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",e.to("class"),e.if("isVisible","ck-hidden",(t=>!t)),this.arrowView.bindTemplate.if("isOn","ck-splitbutton_open")]},children:this.children})}render(){super.render(),this.children.add(this.actionView),this.children.add(this.arrowView),this.focusTracker.add(this.actionView.element),this.focusTracker.add(this.arrowView.element),this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",((t,e)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),e())})),this.keystrokes.set("arrowleft",((t,e)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),e())}))}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this.actionView.focus()}_createActionView(){const t=new pu;return t.bind("icon","isEnabled","isOn","isToggleable","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),t.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),t.delegate("execute").to(this),t}_createArrowView(){const t=new pu,e=t.bindTemplate;return t.icon=Du,t.extendTemplate({attributes:{class:"ck-splitbutton__arrow","aria-haspopup":!0,"aria-expanded":e.to("isOn",(t=>String(t)))}}),t.bind("isEnabled").to(this),t.delegate("execute").to(this,"open"),t}}class Iu extends Od{constructor(t){super(t);const 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ya(e),elementRect:a,positionedElementAncestor:s};if(o||i){const t=o&&new ya(o).getVisible(),e=i&&function(t){t=Object.assign({top:0,bottom:0,left:0,right:0},t);const e=new ya(ps.window);return e.top+=t.top,e.height-=t.top,e.bottom-=t.bottom,e.height-=t.bottom,e}(r);Object.assign(l,{limiterRect:t,viewportRect:e}),c=function(t,e){const{elementRect:n}=e,o=n.getArea(),i=t.map((t=>new Ou(t,e))).filter((t=>!!t.name));let r=0,s=null;for(const t of i){const{_limiterIntersectionArea:e,_viewportIntersectionArea:n}=t;if(e===o)return t;const i=n**2+e**2;i>r&&(r=i,s=t)}return s}(n,l)||new Ou(n[0],l)}else c=new Ou(n[0],l);return c}function Nu(t){const{scrollX:e,scrollY:n}=ps.window;return t.clone().moveBy(e,n)}class Ou{constructor(t,e){const n=t(e.targetRect,e.elementRect,e.viewportRect);if(!n)return;const{left:o,top:i,name:r,config:s}=n;Object.assign(this,{name:r,config:s}),this._positioningFunctionCorrdinates={left:o,top:i},this._options=e}get left(){return this._absoluteRect.left}get top(){return this._absoluteRect.top}get _limiterIntersectionArea(){const t=this._options.limiterRect;if(t){const e=this._options.viewportRect;if(!e)return t.getIntersectionArea(this._rect);{const n=t.getIntersection(e);if(n)return n.getIntersectionArea(this._rect)}}return 0}get _viewportIntersectionArea(){const t=this._options.viewportRect;return t?t.getIntersectionArea(this._rect):0}get _rect(){return this._cachedRect||(this._cachedRect=this._options.elementRect.clone().moveTo(this._positioningFunctionCorrdinates.left,this._positioningFunctionCorrdinates.top)),this._cachedRect}get _absoluteRect(){return this._cachedAbsoluteRect||(this._cachedAbsoluteRect=Nu(this._rect),this._options.positionedElementAncestor&&function(t,e){const n=Nu(new ya(e)),o=Aa(e);let i=0,r=0;i-=n.left,r-=n.top,i+=e.scrollLeft,r+=e.scrollTop,i-=o.left,r-=o.top,t.moveBy(i,r)}(this._cachedAbsoluteRect,this._options.positionedElementAncestor)),this._cachedAbsoluteRect}}class Mu extends Od{constructor(t,e,n){super(t);const o=this.bindTemplate;this.buttonView=e,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.keystrokes=new Ia,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",o.to("class"),o.if("isEnabled","ck-disabled",(t=>!t))],id:o.to("id"),"aria-describedby":o.to("ariaDescribedById")},children:[e,n]}),e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",(()=>{this.isOpen=!this.isOpen})),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",(()=>{this.isOpen&&("auto"===this.panelPosition?this.panelView.position=Mu._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)})),this.keystrokes.listenTo(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",((t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())})),this.keystrokes.set("arrowright",((t,e)=>{this.isOpen&&e()})),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{south:t,north:e,southEast:n,southWest:o,northEast:i,northWest:r,southMiddleEast:s,southMiddleWest:a,northMiddleEast:c,northMiddleWest:l}=Mu.defaultPanelPositions;return"rtl"!==this.locale.uiLanguageDirection?[n,o,s,a,t,i,r,c,l,e]:[o,n,a,s,t,r,i,l,c,e]}}Mu.defaultPanelPositions={south:(t,e)=>({top:t.bottom,left:t.left-(e.width-t.width)/2,name:"s"}),southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),southMiddleEast:(t,e)=>({top:t.bottom,left:t.left-(e.width-t.width)/4,name:"sme"}),southMiddleWest:(t,e)=>({top:t.bottom,left:t.left-3*(e.width-t.width)/4,name:"smw"}),north:(t,e)=>({top:t.top-e.height,left:t.left-(e.width-t.width)/2,name:"n"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.top-e.height,left:t.left-e.width+t.width,name:"nw"}),northMiddleEast:(t,e)=>({top:t.top-e.height,left:t.left-(e.width-t.width)/4,name:"nme"}),northMiddleWest:(t,e)=>({top:t.top-e.height,left:t.left-3*(e.width-t.width)/4,name:"nmw"})},Mu._getOptimalPosition=Fu;class Vu extends Od{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class Lu extends Od{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__line-break"]}})}}var Hu=n(5571),qu={attributes:{"data-cke":!0}};qu.setAttributes=is(),qu.insert=ns().bind(null,"head"),qu.domAPI=ts(),qu.insertStyleElement=ss();Qr()(Hu.Z,qu);Hu.Z&&Hu.Z.locals&&Hu.Z.locals;class Wu extends Od{constructor(t,e){super(t);const n=this.bindTemplate,o=this.t;this.options=e||{},this.set("ariaLabel",o("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new Pa,this.keystrokes=new Ia,this.set("class"),this.set("isCompact",!1),this.itemsView=new ju(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection();const i="rtl"===t.uiLanguageDirection;this._focusCycler=new Au({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:[i?"arrowright":"arrowleft","arrowup"],focusNext:[i?"arrowleft":"arrowright","arrowdown"]}});const r=["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")];var s;this.options.shouldGroupWhenFull&&this.options.isFloating&&r.push("ck-toolbar_floating"),this.setTemplate({tag:"div",attributes:{class:r,role:"toolbar","aria-label":n.to("ariaLabel"),style:{maxWidth:n.to("maxWidth")}},children:this.children,on:{mousedown:(s=this,s.bindTemplate.to((t=>{t.target===s.element&&t.preventDefault()})))}}),this._behavior=this.options.shouldGroupWhenFull?new $u(this):new Uu(this)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",((t,e)=>{this.focusTracker.add(e.element)})),this.items.on("remove",((t,e)=>{this.focusTracker.remove(e.element)})),this.keystrokes.listenTo(this.element),this._behavior.render(this)}destroy(){return this._behavior.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){const n=function(t){return Array.isArray(t)?{items:t,removeItems:[]}:t?Object.assign({items:[],removeItems:[]},t):{items:[],removeItems:[]}}(t),o=n.items.filter(((t,o,i)=>"|"===t||-1===n.removeItems.indexOf(t)&&("-"===t?!this.options.shouldGroupWhenFull||(a("toolbarview-line-break-ignored-when-grouping-items",i),!1):!!e.has(t)||(a("toolbarview-item-unavailable",{name:t}),!1)))),i=this._cleanSeparators(o).map((t=>"|"===t?new Vu:"-"===t?new Lu:e.create(t)));this.items.addMany(i)}_cleanSeparators(t){const e=t=>"-"!==t&&"|"!==t,n=t.length,o=t.findIndex(e),i=n-t.slice().reverse().findIndex(e);return t.slice(o,i).filter(((t,n,o)=>{if(e(t))return!0;return!(n>0&&o[n-1]===t)}))}}class ju extends Od{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Uu{constructor(t){const e=t.bindTemplate;t.set("isVertical",!1),t.itemsView.children.bindTo(t.items).using((t=>t)),t.focusables.bindTo(t.items).using((t=>t)),t.extendTemplate({attributes:{class:[e.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class $u{constructor(t){this.view=t,this.viewChildren=t.children,this.viewFocusables=t.focusables,this.viewItemsView=t.itemsView,this.viewFocusTracker=t.focusTracker,this.viewLocale=t.locale,this.ungroupedItems=t.createCollection(),this.groupedItems=t.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,this.shouldUpdateGroupingOnNextResize=!1,t.itemsView.children.bindTo(this.ungroupedItems).using((t=>t)),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),t.children.on("add",this._updateFocusCycleableItems.bind(this)),t.children.on("remove",this._updateFocusCycleableItems.bind(this)),t.items.on("change",((t,e)=>{const n=e.index;for(const t of e.removed)n>=this.ungroupedItems.length?this.groupedItems.remove(t):this.ungroupedItems.remove(t);for(let t=n;t<n+e.added.length;t++){const o=e.added[t-n];t>this.ungroupedItems.length?this.groupedItems.add(o,t-this.ungroupedItems.length):this.ungroupedItems.add(o,t)}this._updateGrouping()})),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(t)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;if(!Cu(this.viewElement))return void(this.shouldUpdateGroupingOnNextResize=!0);const t=this.groupedItems.length;let e;for(;this._areItemsOverflowing;)this._groupLastItem(),e=!0;if(!e&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}this.groupedItems.length!==t&&this.view.fire("groupedItemsUpdate")}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,n=new ya(t.lastChild),o=new ya(t);if(!this.cachedPadding){const n=ps.window.getComputedStyle(t),o="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[o])}return"ltr"===e?n.right>o.right-this.cachedPadding:n.left<o.left+this.cachedPadding}_enableGroupingOnResize(){let t;this.resizeObserver=new Da(this.viewElement,(e=>{t&&t===e.contentRect.width&&!this.shouldUpdateGroupingOnNextResize||(this.shouldUpdateGroupingOnNextResize=!1,this._updateGrouping(),t=e.contentRect.width)})),this._updateGrouping()}_enableGroupingOnMaxWidthChange(t){t.on("change:maxWidth",(()=>{this._updateGrouping()}))}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new Vu),this.viewChildren.add(this.groupedItemsDropdown),this.viewFocusTracker.add(this.groupedItemsDropdown.element)),this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last),0)}_ungroupFirstItem(){this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first)),this.groupedItems.length||(this.viewChildren.remove(this.groupedItemsDropdown),this.viewChildren.remove(this.viewChildren.last),this.viewFocusTracker.remove(this.groupedItemsDropdown.element))}_createGroupedItemsDropdown(){const t=this.viewLocale,e=t.t,n=nh(t);return n.class="ck-toolbar__grouped-dropdown",n.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",oh(n,[]),n.buttonView.set({label:e("Show more items"),tooltip:!0,tooltipPosition:"rtl"===t.uiLanguageDirection?"se":"sw",icon:Bd}),n.toolbarView.items.bindTo(this.groupedItems).using((t=>t)),n}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map((t=>{this.viewFocusables.add(t)})),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}var Gu=n(1162),Ku={attributes:{"data-cke":!0}};Ku.setAttributes=is(),Ku.insert=ns().bind(null,"head"),Ku.domAPI=ts(),Ku.insertStyleElement=ss();Qr()(Gu.Z,Ku);Gu.Z&&Gu.Z.locals&&Gu.Z.locals;class Zu extends Od{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Pa,this.keystrokes=new Ia,this._focusCycler=new Au({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",((t,e)=>{this.focusTracker.add(e.element)})),this.items.on("remove",((t,e)=>{this.focusTracker.remove(e.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class Ju extends Od{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class Yu extends Od{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}var Qu=n(5075),Xu={attributes:{"data-cke":!0}};Xu.setAttributes=is(),Xu.insert=ns().bind(null,"head"),Xu.domAPI=ts(),Xu.insertStyleElement=ss();Qr()(Qu.Z,Xu);Qu.Z&&Qu.Z.locals&&Qu.Z.locals;var th=n(6875),eh={attributes:{"data-cke":!0}};eh.setAttributes=is(),eh.insert=ns().bind(null,"head"),eh.domAPI=ts(),eh.insertStyleElement=ss();Qr()(th.Z,eh);th.Z&&th.Z.locals&&th.Z.locals;function nh(t,e=Su){const n=new e(t),o=new Iu(t),i=new Mu(t,n,o);return n.bind("isEnabled").to(i),n instanceof Su?n.bind("isOn").to(i,"isOpen"):n.arrowView.bind("isOn").to(i,"isOpen"),function(t){(function(t){t.on("render",(()=>{Pd({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})}))})(t),function(t){t.on("execute",(e=>{e.source instanceof fu||(t.isOpen=!1)}))}(t),function(t){t.keystrokes.set("arrowdown",((e,n)=>{t.isOpen&&(t.panelView.focus(),n())})),t.keystrokes.set("arrowup",((e,n)=>{t.isOpen&&(t.panelView.focusLast(),n())}))}(t)}(i),i}function oh(t,e){const n=t.locale,o=n.t,i=t.toolbarView=new Wu(n);i.set("ariaLabel",o("Dropdown toolbar")),t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map((t=>i.items.add(t))),t.panelView.children.add(i),i.items.delegate("execute").to(t)}function ih(t,e){const n=t.locale,o=t.listView=new Zu(n);o.items.bindTo(e).using((({type:t,model:e})=>{if("separator"===t)return new Yu(n);if("button"===t||"switchbutton"===t){const o=new Ju(n);let i;return i="button"===t?new pu(n):new fu(n),i.bind(...Object.keys(e)).to(e),i.delegate("execute").to(o),o.children.add(i),o}})),t.panelView.children.add(o),o.items.delegate("execute").to(t)}var rh=n(4547),sh={attributes:{"data-cke":!0}};sh.setAttributes=is(),sh.insert=ns().bind(null,"head"),sh.domAPI=ts(),sh.insertStyleElement=ss();Qr()(rh.Z,sh);rh.Z&&rh.Z.locals&&rh.Z.locals;class ah extends Od{constructor(t){super(t),this.body=new iu(t)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}var ch=n(2751),lh={attributes:{"data-cke":!0}};lh.setAttributes=is(),lh.insert=ns().bind(null,"head"),lh.domAPI=ts(),lh.insertStyleElement=ss();Qr()(ch.Z,lh);ch.Z&&ch.Z.locals&&ch.Z.locals;class dh extends Od{constructor(t){super(t),this.set("text"),this.set("for"),this.id=`ck-editor__label_${i()}`;const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:e.to("for")},children:[{text:e.to("text")}]})}}class uh extends Od{constructor(t,e,n){super(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=e}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",(()=>this._updateIsFocusedClasses())),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;function e(e){t.change((n=>{const o=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",o),n.removeClass(e.isFocused?"ck-blurred":"ck-focused",o)}))}t.isRenderingInProgress?function n(o){t.once("change:isRenderingInProgress",((t,i,r)=>{r?n(o):e(o)}))}(this):e(this)}}class hh extends uh{constructor(t,e,n){super(t,e,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change((n=>{const o=t.document.getRoot(this.name);n.setAttribute("aria-label",e("Rich Text Editor, %0",this.name),o)}))}}var ph=n(5523),mh={attributes:{"data-cke":!0}};mh.setAttributes=is(),mh.insert=ns().bind(null,"head"),mh.domAPI=ts(),mh.insertStyleElement=ss();Qr()(ph.Z,mh);ph.Z&&ph.Z.locals&&ph.Z.locals;class gh extends Od{constructor(t,e={}){super(t);const n=this.bindTemplate;this.set("label",e.label||""),this.set("class",e.class||null),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__header",n.to("class")]},children:this.children});const o=new Od(t);o.setTemplate({tag:"span",attributes:{class:["ck","ck-form__header__label"]},children:[{text:n.to("label")}]}),this.children.add(o)}}var fh=n(6985),bh={attributes:{"data-cke":!0}};bh.setAttributes=is(),bh.insert=ns().bind(null,"head"),bh.domAPI=ts(),bh.insertStyleElement=ss();Qr()(fh.Z,bh);fh.Z&&fh.Z.locals&&fh.Z.locals;class kh extends Od{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById"),this.focusTracker=new Pa,this.bind("isFocused").to(this.focusTracker),this.set("isEmpty",!0),this.set("inputMode","text");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck","ck-input",e.if("isFocused","ck-input_focused"),e.if("isEmpty","ck-input-text_empty"),e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),inputmode:e.to("inputMode"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to(((...t)=>{this.fire("input",...t),this._updateIsEmpty()})),change:e.to(this._updateIsEmpty.bind(this))}})}render(){super.render(),this.focusTracker.add(this.element),this._setDomElementValue(this.value),this._updateIsEmpty(),this.on("change:value",((t,e,n)=>{this._setDomElementValue(n),this._updateIsEmpty()}))}destroy(){super.destroy(),this.focusTracker.destroy()}select(){this.element.select()}focus(){this.element.focus()}_updateIsEmpty(){this.isEmpty=!this.element.value}_setDomElementValue(t){this.element.value=t||0===t?t:""}}class wh extends kh{constructor(t){super(t),this.extendTemplate({attributes:{type:"text",class:["ck-input-text"]}})}}var _h=n(8111),Ch={attributes:{"data-cke":!0}};Ch.setAttributes=is(),Ch.insert=ns().bind(null,"head"),Ch.domAPI=ts(),Ch.insertStyleElement=ss();Qr()(_h.Z,Ch);_h.Z&&_h.Z.locals&&_h.Z.locals;class Ah extends Od{constructor(t,e){super(t);const n=`ck-labeled-field-view-${i()}`,o=`ck-labeled-field-view-status-${i()}`;this.fieldView=e(this,n,o),this.set("label"),this.set("isEnabled",!0),this.set("isEmpty",!0),this.set("isFocused",!1),this.set("errorText",null),this.set("infoText",null),this.set("class"),this.set("placeholder"),this.labelView=this._createLabelView(n),this.statusView=this._createStatusView(o),this.bind("_statusText").to(this,"errorText",this,"infoText",((t,e)=>t||e));const r=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view",r.to("class"),r.if("isEnabled","ck-disabled",(t=>!t)),r.if("isEmpty","ck-labeled-field-view_empty"),r.if("isFocused","ck-labeled-field-view_focused"),r.if("placeholder","ck-labeled-field-view_placeholder"),r.if("errorText","ck-error")]},children:[{tag:"div",attributes:{class:["ck","ck-labeled-field-view__input-wrapper"]},children:[this.fieldView,this.labelView]},this.statusView]})}_createLabelView(t){const e=new dh(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createStatusView(t){const e=new Od(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",n.if("errorText","ck-labeled-field-view__status_error"),n.if("_statusText","ck-hidden",(t=>!t))],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),e}focus(){this.fieldView.focus()}}function vh(t,e,n){const o=new wh(t.locale);return o.set({id:e,ariaDescribedById:n}),o.bind("isReadOnly").to(t,"isEnabled",(t=>!t)),o.bind("hasError").to(t,"errorText",(t=>!!t)),o.on("input",(()=>{t.errorText=null})),t.bind("isEmpty","isFocused","placeholder").to(o),o}function yh(t,e,n){const o=nh(t.locale);return o.set({id:e,ariaDescribedById:n}),o.bind("isEnabled").to(t),o}class xh extends No{static get pluginName(){return"Notification"}init(){this.on("show:warning",((t,e)=>{window.alert(e.message)}),{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e=`show:${t.type}`+(t.namespace?`:${t.namespace}`:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class Eh{constructor(t,e){e&&Xt(this,e),t&&this.set(t)}}function Dh(t){return e=>e+t}he(Eh,se);var Sh=n(8245),Bh={attributes:{"data-cke":!0}};Bh.setAttributes=is(),Bh.insert=ns().bind(null,"head"),Bh.domAPI=ts(),Bh.insertStyleElement=ss();Qr()(Sh.Z,Bh);Sh.Z&&Sh.Z.locals&&Sh.Z.locals;const Th=Dh("px"),Ph=ps.document.body;class Ih extends Od{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",(t=>`ck-balloon-panel_${t}`)),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",Th),left:e.to("left",Th)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=Ih.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthMiddleWest,e.southArrowNorthMiddleEast,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthMiddleWest,e.northArrowSouthMiddleEast,e.northArrowSouthWest,e.northArrowSouthEast,e.viewportStickyNorth],limiter:Ph,fitInViewport:!0},t),o=Ih._getOptimalPosition(n),i=parseInt(o.left),r=parseInt(o.top),{name:s,config:a={}}=o,{withArrow:c=!0}=a;Object.assign(this,{top:r,left:i,position:s,withArrow:c})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(t):this._stopPinning()},this._startPinning(t),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(t){this.attachTo(t);const e=Rh(t.target),n=t.limiter?Rh(t.limiter):Ph;this.listenTo(ps.document,"scroll",((o,i)=>{const r=i.target,s=e&&r.contains(e),a=n&&r.contains(n);!s&&!a&&e&&n||this.attachTo(t)}),{useCapture:!0}),this.listenTo(ps.window,"resize",(()=>{this.attachTo(t)}))}_stopPinning(){this.stopListening(ps.document,"scroll"),this.stopListening(ps.window,"resize")}}function Rh(t){return vo(t)?t:Ca(t)?t.commonAncestorContainer:"function"==typeof t?Rh(t()):null}Ih.arrowHorizontalOffset=25,Ih.arrowVerticalOffset=10,Ih.stickyVerticalOffset=20,Ih._getOptimalPosition=Fu,Ih.defaultPositions=function({horizontalOffset:t=Ih.arrowHorizontalOffset,verticalOffset:e=Ih.arrowVerticalOffset,stickyVerticalOffset:n=Ih.stickyVerticalOffset,config:o}={}){return{northWestArrowSouthWest:(e,n)=>({top:i(e,n),left:e.left-t,name:"arrow_sw",...o&&{config:o}}),northWestArrowSouthMiddleWest:(e,n)=>({top:i(e,n),left:e.left-.25*n.width-t,name:"arrow_smw",...o&&{config:o}}),northWestArrowSouth:(t,e)=>({top:i(t,e),left:t.left-e.width/2,name:"arrow_s",...o&&{config:o}}),northWestArrowSouthMiddleEast:(e,n)=>({top:i(e,n),left:e.left-.75*n.width+t,name:"arrow_sme",...o&&{config:o}}),northWestArrowSouthEast:(e,n)=>({top:i(e,n),left:e.left-n.width+t,name:"arrow_se",...o&&{config:o}}),northArrowSouthWest:(e,n)=>({top:i(e,n),left:e.left+e.width/2-t,name:"arrow_sw",...o&&{config:o}}),northArrowSouthMiddleWest:(e,n)=>({top:i(e,n),left:e.left+e.width/2-.25*n.width-t,name:"arrow_smw",...o&&{config:o}}),northArrowSouth:(t,e)=>({top:i(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s",...o&&{config:o}}),northArrowSouthMiddleEast:(e,n)=>({top:i(e,n),left:e.left+e.width/2-.75*n.width+t,name:"arrow_sme",...o&&{config:o}}),northArrowSouthEast:(e,n)=>({top:i(e,n),left:e.left+e.width/2-n.width+t,name:"arrow_se",...o&&{config:o}}),northEastArrowSouthWest:(e,n)=>({top:i(e,n),left:e.right-t,name:"arrow_sw",...o&&{config:o}}),northEastArrowSouthMiddleWest:(e,n)=>({top:i(e,n),left:e.right-.25*n.width-t,name:"arrow_smw",...o&&{config:o}}),northEastArrowSouth:(t,e)=>({top:i(t,e),left:t.right-e.width/2,name:"arrow_s",...o&&{config:o}}),northEastArrowSouthMiddleEast:(e,n)=>({top:i(e,n),left:e.right-.75*n.width+t,name:"arrow_sme",...o&&{config:o}}),northEastArrowSouthEast:(e,n)=>({top:i(e,n),left:e.right-n.width+t,name:"arrow_se",...o&&{config:o}}),southWestArrowNorthWest:(e,n)=>({top:r(e),left:e.left-t,name:"arrow_nw",...o&&{config:o}}),southWestArrowNorthMiddleWest:(e,n)=>({top:r(e),left:e.left-.25*n.width-t,name:"arrow_nmw",...o&&{config:o}}),southWestArrowNorth:(t,e)=>({top:r(t),left:t.left-e.width/2,name:"arrow_n",...o&&{config:o}}),southWestArrowNorthMiddleEast:(e,n)=>({top:r(e),left:e.left-.75*n.width+t,name:"arrow_nme",...o&&{config:o}}),southWestArrowNorthEast:(e,n)=>({top:r(e),left:e.left-n.width+t,name:"arrow_ne",...o&&{config:o}}),southArrowNorthWest:(e,n)=>({top:r(e),left:e.left+e.width/2-t,name:"arrow_nw",...o&&{config:o}}),southArrowNorthMiddleWest:(e,n)=>({top:r(e),left:e.left+e.width/2-.25*n.width-t,name:"arrow_nmw",...o&&{config:o}}),southArrowNorth:(t,e)=>({top:r(t),left:t.left+t.width/2-e.width/2,name:"arrow_n",...o&&{config:o}}),southArrowNorthMiddleEast:(e,n)=>({top:r(e),left:e.left+e.width/2-.75*n.width+t,name:"arrow_nme",...o&&{config:o}}),southArrowNorthEast:(e,n)=>({top:r(e),left:e.left+e.width/2-n.width+t,name:"arrow_ne",...o&&{config:o}}),southEastArrowNorthWest:(e,n)=>({top:r(e),left:e.right-t,name:"arrow_nw",...o&&{config:o}}),southEastArrowNorthMiddleWest:(e,n)=>({top:r(e),left:e.right-.25*n.width-t,name:"arrow_nmw",...o&&{config:o}}),southEastArrowNorth:(t,e)=>({top:r(t),left:t.right-e.width/2,name:"arrow_n",...o&&{config:o}}),southEastArrowNorthMiddleEast:(e,n)=>({top:r(e),left:e.right-.75*n.width+t,name:"arrow_nme",...o&&{config:o}}),southEastArrowNorthEast:(e,n)=>({top:r(e),left:e.right-n.width+t,name:"arrow_ne",...o&&{config:o}}),viewportStickyNorth:(t,e,i)=>t.getIntersection(i)?{top:i.top+n,left:t.left+t.width/2-e.width/2,name:"arrowless",config:{withArrow:!1,...o}}:null};function i(t,n){return t.top-n.height-e}function r(t){return t.bottom+e}}();var zh=n(1757),Fh={attributes:{"data-cke":!0}};Fh.setAttributes=is(),Fh.insert=ns().bind(null,"head"),Fh.domAPI=ts(),Fh.insertStyleElement=ss();Qr()(zh.Z,Fh);zh.Z&&zh.Z.locals&&zh.Z.locals;var Nh=n(3553),Oh={attributes:{"data-cke":!0}};Oh.setAttributes=is(),Oh.insert=ns().bind(null,"head"),Oh.domAPI=ts(),Oh.insertStyleElement=ss();Qr()(Nh.Z,Oh);Nh.Z&&Nh.Z.locals&&Nh.Z.locals;const Mh=Dh("px");class Vh extends pe{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t),this.positionLimiter=()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},this.set("visibleView",null),this.view=new Ih(t.locale),t.ui.view.body.add(this.view),t.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}destroy(){super.destroy(),this.view.destroy(),this._rotatorView.destroy(),this._fakePanelsView.destroy()}hasView(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view))throw new s("contextualballoon-add-view-exist",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const n=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),n.set(t.view,t),this._viewToStack.set(t.view,n),n===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new s("contextualballoon-remove-view-not-exist",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new s("contextualballoon-showstack-stack-not-exist",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find((e=>e[1]===t))[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new Lh(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",((t,e)=>!e&&t>1)),t.on("change:isNavigationVisible",(()=>this.updatePosition()),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",((t,n)=>{if(n<2)return"";const o=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("%0 of %1",[o,n])})),t.buttonNextView.on("execute",(()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()})),t.buttonPrevView.on("execute",(()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()})),t}_createFakePanelsView(){const t=new Hh(this.editor.locale,this.view);return t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",((t,e)=>!e&&t>=2?Math.min(t-1,2):0)),t.listenTo(this.view,"change:top",(()=>t.updatePosition())),t.listenTo(this.view,"change:left",(()=>t.updatePosition())),this.editor.ui.view.body.add(t),t}_showView({view:t,balloonClassName:e="",withArrow:n=!0,singleViewMode:o=!1}){this.view.class=e,this.view.withArrow=n,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),o&&(this._singleViewMode=!0)}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;return t&&(t.limiter||(t=Object.assign({},t,{limiter:this.positionLimiter})),t=Object.assign({},t,{viewportOffsetConfig:this.editor.ui.viewportOffset})),t}}class Lh extends Od{constructor(t){super(t);const e=t.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Pa,this.buttonPrevView=this._createButtonView(e("Previous"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z"/></svg>'),this.buttonNextView=this._createButtonView(e("Next"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>'),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",(t=>t?"":"ck-hidden"))]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}destroy(){super.destroy(),this.focusTracker.destroy()}showView(t){this.hideView(),this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const n=new pu(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n}}class Hh extends Od{constructor(t,e){super(t);const n=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=e,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",(t=>t?"":"ck-hidden"))],style:{top:n.to("top",Mh),left:n.to("left",Mh),width:n.to("width",Mh),height:n.to("height",Mh)}},children:this.content}),this.on("change:numberOfPanels",((t,e,n,o)=>{n>o?this._addPanels(n-o):this._removePanels(o-n),this.updatePosition()}))}_addPanels(t){for(;t--;){const t=new Od;t.setTemplate({tag:"div"}),this.content.add(t),this.registerChild(t)}}_removePanels(t){for(;t--;){const t=this.content.last;this.content.remove(t),this.deregisterChild(t),t.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:t,left:e}=this._balloonPanelView,{width:n,height:o}=new ya(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:o})}}}var qh=n(3609),Wh={attributes:{"data-cke":!0}};Wh.setAttributes=is(),Wh.insert=ns().bind(null,"head"),Wh.domAPI=ts(),Wh.insertStyleElement=ss();Qr()(qh.Z,Wh);qh.Z&&qh.Z.locals&&qh.Z.locals,Dh("px");Dh("px");var jh=n(6706),Uh={attributes:{"data-cke":!0}};Uh.setAttributes=is(),Uh.insert=ns().bind(null,"head"),Uh.domAPI=ts(),Uh.insertStyleElement=ss();Qr()(jh.Z,Uh);jh.Z&&jh.Z.locals&&jh.Z.locals,Dh("px");Dh("px");var $h=n(8894),Gh={attributes:{"data-cke":!0}};Gh.setAttributes=is(),Gh.insert=ns().bind(null,"head"),Gh.domAPI=ts(),Gh.insertStyleElement=ss();Qr()($h.Z,Gh);$h.Z&&$h.Z.locals&&$h.Z.locals;const Kh=new WeakMap;function Zh(t){const{view:e,element:n,text:o,isDirectHost:i=!0,keepOnFocus:r=!1}=t,s=e.document;Kh.has(s)||(Kh.set(s,new Map),s.registerPostFixer((t=>Yh(s,t)))),Kh.get(s).set(n,{text:o,isDirectHost:i,keepOnFocus:r,hostElement:i?n:null}),e.change((t=>Yh(s,t)))}function Jh(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}function Yh(t,e){const n=Kh.get(t),o=[];let i=!1;for(const[t,r]of n)r.isDirectHost&&(o.push(t),Qh(e,t,r)&&(i=!0));for(const[t,r]of n){if(r.isDirectHost)continue;const n=Xh(t);n&&(o.includes(n)||(r.hostElement=n,Qh(e,t,r)&&(i=!0)))}return i}function Qh(t,e,n){const{text:o,isDirectHost:i,hostElement:r}=n;let s=!1;r.getAttribute("data-placeholder")!==o&&(t.setAttribute("data-placeholder",o,r),s=!0);return(i||1==e.childCount)&&function(t,e){if(!t.isAttached())return!1;const n=Array.from(t.getChildren()).some((t=>!t.is("uiElement")));if(n)return!1;if(e)return!0;const o=t.document;if(!o.isFocused)return!0;const i=o.selection.anchor;return i&&i.parent!==t}(r,n.keepOnFocus)?function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0):Jh(t,r)&&(s=!0),s}function Xh(t){if(t.childCount){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement"))return e}return null}const tp=new Map;function ep(t,e,n){let o=tp.get(t);o||(o=new Map,tp.set(t,o)),o.set(e,n)}function np(t){return[t]}function op(t,e,n={}){const o=function(t,e){const n=tp.get(t);return n&&n.has(e)?n.get(e):np}(t.constructor,e.constructor);try{return o(t=t.clone(),e,n)}catch(t){throw t}}function ip(t,e,n){t=t.slice(),e=e.slice();const o=new rp(n.document,n.useRelations,n.forceWeakRemove);o.setOriginalOperations(t),o.setOriginalOperations(e);const i=o.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:i};const r=new WeakMap;for(const e of t)r.set(e,0);const s={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length};let a=0;for(;a<t.length;){const n=t[a],i=r.get(n);if(i==e.length){a++;continue}const s=e[i],c=op(n,s,o.getContext(n,s,!0)),l=op(s,n,o.getContext(s,n,!1));o.updateRelation(n,s),o.setOriginalOperations(c,n),o.setOriginalOperations(l,s);for(const t of c)r.set(t,i+l.length);t.splice(a,1,...c),e.splice(i,1,...l)}if(n.padWithNoOps){const n=t.length-s.originalOperationsACount,o=e.length-s.originalOperationsBCount;ap(t,o-n),ap(e,n-o)}return sp(t,s.nextBaseVersionB),sp(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:i}}class rp{constructor(t,e,n=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(t,e=null){const n=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,n||e)}updateRelation(t,e){switch(t.constructor){case El:switch(e.constructor){case Pl:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case El:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case Il:switch(e.constructor){case Pl:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case El:if(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))this._setRelation(t,e,"splitBefore");else{const n=nc._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&n.containsPosition(t.splitPosition)){const o=n.end.offset-t.splitPosition.offset,i=t.splitPosition.offset-n.start.offset;this._setRelation(t,e,{howMany:o,offset:i})}}}break;case Pl:switch(e.constructor){case Pl:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,"mergeSourceNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case Il:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case Sl:{const n=t.newRange;if(!n)return;switch(e.constructor){case El:{const o=nc._createFromPositionAndShift(e.sourcePosition,e.howMany),i=o.containsPosition(n.start)||o.start.isEqual(n.start),r=o.containsPosition(n.end)||o.end.isEqual(n.end);!i&&!r||o.containsRange(n)||this._setRelation(t,e,{side:i?"left":"right",path:i?n.start.path.slice():n.end.path.slice()});break}case Pl:{const o=n.start.isEqual(e.targetPosition),i=n.start.isEqual(e.deletionPosition),r=n.end.isEqual(e.deletionPosition),s=n.end.isEqual(e.sourcePosition);(o||i||r||s)&&this._setRelation(t,e,{wasInLeftElement:o,wasStartBeforeMergedElement:i,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,n){return{aIsStrong:n,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(t){const e=this.originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const n=this.originalOperations.get(e),o=this._history.getUndoneOperation(n);if(!o)return null;const i=this.originalOperations.get(t),r=this._relations.get(i);return r&&r.get(o)||null}_setRelation(t,e,n){const o=this.originalOperations.get(t),i=this.originalOperations.get(e);let r=this._relations.get(o);r||(r=new Map,this._relations.set(o,r)),r.set(i,n)}}function sp(t,e){for(const n of t)n.baseVersion=e++}function ap(t,e){for(let n=0;n<e;n++)t.push(new Ql(0))}function cp(t,e,n){const o=t.nodes.getNode(0).getAttribute(e);if(o==n)return null;const i=new nc(t.position,t.position.getShiftedBy(t.howMany));return new yl(i,e,o,n,0)}function lp(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function dp(t,e){const n=[];for(let o=0;o<t.length;o++){const i=t[o],r=new El(i.start,i.end.offset-i.start.offset,e,0);n.push(r);for(let e=o+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];e=e._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}ep(yl,yl,((t,e,n)=>{if(t.key===e.key&&t.range.start.hasSameParentAs(e.range.start)){const o=t.range.getDifference(e.range).map((e=>new yl(e,t.key,t.oldValue,t.newValue,0))),i=t.range.getIntersection(e.range);return i&&n.aIsStrong&&o.push(new yl(i,e.key,e.newValue,t.newValue,0)),0==o.length?[new Ql(0)]:o}return[t]})),ep(yl,Dl,((t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const n=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map((e=>new yl(e,t.key,t.oldValue,t.newValue,t.baseVersion)));if(e.shouldReceiveAttributes){const o=cp(e,t.key,t.oldValue);o&&n.unshift(o)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]})),ep(yl,Pl,((t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(nc._createFromPositionAndShift(e.graveyardPosition,1));const o=t.range._getTransformedByMergeOperation(e);return o.isCollapsed||n.push(o),n.map((e=>new yl(e,t.key,t.oldValue,t.newValue,t.baseVersion)))})),ep(yl,El,((t,e)=>{const n=function(t,e){const n=nc._createFromPositionAndShift(e.sourcePosition,e.howMany);let o=null,i=[];n.containsRange(t,!0)?o=t:t.start.hasSameParentAs(n.start)?(i=t.getDifference(n),o=t.getIntersection(n)):i=[t];const r=[];for(let t of i){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart(),o=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,o),r.push(...t)}o&&r.push(o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]);return r}(t.range,e);return n.map((e=>new yl(e,t.key,t.oldValue,t.newValue,t.baseVersion)))})),ep(yl,Il,((t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const n=t.clone();return n.range=new nc(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,n]}return t.range=t.range._getTransformedBySplitOperation(e),[t]})),ep(Dl,yl,((t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const o=cp(t,e.key,e.newValue);o&&n.push(o)}return n})),ep(Dl,Dl,((t,e,n)=>(t.position.isEqual(e.position)&&n.aIsStrong||(t.position=t.position._getTransformedByInsertOperation(e)),[t]))),ep(Dl,El,((t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t]))),ep(Dl,Il,((t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t]))),ep(Dl,Pl,((t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t]))),ep(Sl,Dl,((t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t]))),ep(Sl,Sl,((t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new Ql(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]})),ep(Sl,Pl,((t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t]))),ep(Sl,El,((t,e,n)=>{if(t.oldRange&&(t.oldRange=nc._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const o=nc._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=n.abRelation.path,t.newRange.end=o.end,[t];if("right"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=o.start,t.newRange.end.path=n.abRelation.path,[t]}t.newRange=nc._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]})),ep(Sl,Il,((t,e,n)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(n.abRelation){const o=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?t.newRange.start=Qa._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement&&(t.newRange.start=Qa._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement?t.newRange.end=Qa._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?t.newRange.end=Qa._createAt(e.insertionPosition):t.newRange.end=o.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]})),ep(Pl,Dl,((t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t]))),ep(Pl,Pl,((t,e,n)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(n.bWasUndone){const n=e.graveyardPosition.path.slice();return n.push(0),t.sourcePosition=new Qa(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new Ql(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const o="$graveyard"==t.targetPosition.root.rootName,i="$graveyard"==e.targetPosition.root.rootName,r=o&&!i;if(i&&!o||!r&&n.aIsStrong){const n=e.targetPosition._getTransformedByMergeOperation(e),o=t.targetPosition._getTransformedByMergeOperation(e);return[new El(n,t.howMany,o,0)]}return[new Ql(0)]}return t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),t.graveyardPosition.isEqual(e.graveyardPosition)&&n.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]})),ep(Pl,El,((t,e,n)=>{const o=nc._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!n.bWasUndone&&!n.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.sourcePosition)?[new Ql(0)]:(t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition.hasSameParentAs(e.sourcePosition)&&(t.howMany-=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e),t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e),t.graveyardPosition.isEqual(e.targetPosition)||(t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)),[t])})),ep(Pl,Il,((t,e,n)=>{if(e.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1),t.deletionPosition.isEqual(e.graveyardPosition)&&(t.howMany=e.howMany)),t.targetPosition.isEqual(e.splitPosition)){const o=0!=e.howMany,i=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(o||i||"mergeTargetNotMoved"==n.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==n.abRelation||t.sourcePosition.offset>0)return t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]})),ep(El,Dl,((t,e)=>{const n=nc._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=n.start,t.howMany=n.end.offset-n.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]})),ep(El,El,((t,e,n)=>{const o=nc._createFromPositionAndShift(t.sourcePosition,t.howMany),i=nc._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),lp(t,e)&&lp(e,t))return[e.getReversed()];if(o.containsPosition(e.targetPosition)&&o.containsRange(i,!0))return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),dp([o],r);if(i.containsPosition(t.targetPosition)&&i.containsRange(o,!0))return o.start=o.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),o.end=o.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),dp([o],r);const c=Oo(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),dp([o],r);"remove"!=t.type||"remove"==e.type||n.aWasUndone||n.forceWeakRemove?"remove"==t.type||"remove"!=e.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const l=[],d=o.getDifference(i);for(const t of d){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n="same"==Oo(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),o=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);l.push(...o)}const u=o.getIntersection(i);return null!==u&&s&&(u.start=u.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),u.end=u.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===l.length?l.push(u):1==l.length?i.start.isBefore(o.start)||i.start.isEqual(o.start)?l.unshift(u):l.push(u):l.splice(1,0,u)),0===l.length?[new Ql(t.baseVersion)]:dp(l,r)})),ep(El,Il,((t,e,n)=>{let o=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(o=t.targetPosition._getTransformedBySplitOperation(e));const i=nc._createFromPositionAndShift(t.sourcePosition,t.howMany);if(i.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=o,[t];if(i.start.hasSameParentAs(e.splitPosition)&&i.containsPosition(e.splitPosition)){let t=new nc(e.splitPosition,i.end);t=t._getTransformedBySplitOperation(e);return dp([new nc(i.start,e.splitPosition),t],o)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==n.abRelation&&(o=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==n.abRelation&&(o=t.targetPosition);const r=[i._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const o=i.start.isEqual(e.graveyardPosition)||i.containsPosition(e.graveyardPosition);t.howMany>1&&o&&!n.aWasUndone&&r.push(nc._createFromPositionAndShift(e.insertionPosition,1))}return dp(r,o)})),ep(El,Pl,((t,e,n)=>{const o=nc._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&o.containsPosition(e.sourcePosition))if("remove"!=t.type||n.forceWeakRemove){if(1==t.howMany)return n.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new Ql(0)]}else if(!n.aWasUndone){const n=[];let o=e.graveyardPosition.clone(),i=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(n.push(new El(t.sourcePosition,t.howMany-1,t.targetPosition,0)),o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1),i=i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),s=new El(o,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new Qa(s.targetPosition.root,a);i=i._getTransformedByMove(o,r,1);const l=new El(i,e.howMany,c,0);return n.push(s),n.push(l),n}const i=nc._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=i.start,t.howMany=i.end.offset-i.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]})),ep(Bl,Dl,((t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t]))),ep(Bl,Pl,((t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t]))),ep(Bl,El,((t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t]))),ep(Bl,Bl,((t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new Ql(0)];t.oldName=e.newName}return[t]})),ep(Bl,Il,((t,e)=>{if("same"==Oo(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){const e=new Bl(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}return t.position=t.position._getTransformedBySplitOperation(e),[t]})),ep(Tl,Tl,((t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new Ql(0)];t.oldValue=e.newValue}return[t]})),ep(Il,Dl,((t,e)=>(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e),t.insertionPosition=t.insertionPosition._getTransformedByInsertOperation(e),[t]))),ep(Il,Pl,((t,e,n)=>{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const o=new Qa(e.graveyardPosition.root,n),i=Il.getInsertionPosition(new Qa(e.graveyardPosition.root,n)),r=new Il(o,0,i,null,0);return t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=Il.getInsertionPosition(t.splitPosition),t.graveyardPosition=r.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[r,t]}return t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)&&t.howMany--,t.splitPosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=Il.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]})),ep(Il,El,((t,e,n)=>{const o=nc._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const i=o.start.isEqual(t.graveyardPosition)||o.containsPosition(t.graveyardPosition);if(!n.bWasUndone&&i){const n=t.splitPosition._getTransformedByMoveOperation(e),o=t.graveyardPosition._getTransformedByMoveOperation(e),i=o.path.slice();i.push(0);const r=new Qa(o.root,i);return[new El(n,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}const i=t.splitPosition.isEqual(e.targetPosition);if(i&&("insertAtSource"==n.baRelation||"splitBefore"==n.abRelation))return t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=Il.getInsertionPosition(t.splitPosition),[t];if(i&&n.abRelation&&n.abRelation.howMany){const{howMany:e,offset:o}=n.abRelation;return t.howMany+=e,t.splitPosition=t.splitPosition.getShiftedBy(o),[t]}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=n,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=Il.getInsertionPosition(t.splitPosition),[t]}return e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness="toNone",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness="toNext",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=Il.getInsertionPosition(t.splitPosition),[t]})),ep(Il,Il,((t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new Ql(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new Ql(0)];if("splitBefore"==n.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const o="$graveyard"==t.splitPosition.root.rootName,i="$graveyard"==e.splitPosition.root.rootName,r=o&&!i;if(i&&!o||!r&&n.aIsStrong){const n=[];return e.howMany&&n.push(new El(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new El(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new Ql(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.baRelation){const n=e.insertionPosition.path.slice();n.push(0);const o=new Qa(e.insertionPosition.root,n);return[t,new El(t.insertionPosition,1,o,0)]}return t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset&&(t.howMany-=e.howMany),t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e),t.insertionPosition=Il.getInsertionPosition(t.splitPosition),[t]}));class up extends Xs{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}class hp extends Xs{constructor(t){super(t),this.domEventType=["mousedown","mouseup","mouseover","mouseout"]}onDomEvent(t){this.fire(t.type,t)}}class pp{constructor(t){this.document=t}createDocumentFragment(t){return new Ar(this.document,t)}createElement(t,e,n){return new Pi(this.document,t,e,n)}createText(t){return new Lo(this.document,t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const n=t.parent;if(n){const 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fm(t,e,n=mm,o=gm){const i=new om;i.on("change:top",((e,i)=>{i.oldDescriptor&&o(t,i.oldDescriptor,i.writer),i.newDescriptor&&n(t,i.newDescriptor,i.writer)})),e.setCustomProperty("addHighlight",((t,e,n)=>i.add(e,n)),t),e.setCustomProperty("removeHighlight",((t,e,n)=>i.remove(e,n)),t)}function bm(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function km(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",((n,o,i)=>{e.setAttribute("contenteditable",i?"false":"true",t)})),t.on("change:isFocused",((n,o,i)=>{i?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)})),fm(t,e),t}function wm(t,e){const n=t.getSelectedElement();if(n){const o=lm(t);if(o)return e.createRange(e.createPositionAt(n,o));if(e.schema.isObject(n)&&!e.schema.isInline(n))return e.createRangeOn(n)}const o=t.getSelectedBlocks().next().value;if(o){if(o.isEmpty)return e.createRange(e.createPositionAt(o,0));const n=e.createPositionAfter(o);return t.focus.isTouching(n)?e.createRange(n):e.createRange(e.createPositionBefore(o))}return e.createRange(t.focus)}function _m(){return null}class Cm extends pe{static get pluginName(){return"OPMacroToc"}static get buttonName(){return"insertToc"}init(){const t=this.editor,e=t.model,n=t.conversion;e.schema.register("op-macro-toc",{allowWhere:"$block",isBlock:!0,isLimit:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"toc"},model:"op-macro-toc"}),n.for("editingDowncast").elementToElement({model:"op-macro-toc",view:(t,{writer:e})=>pm(this.createTocViewElement(e),e,{label:this.label})}),n.for("dataDowncast").elementToElement({model:"op-macro-toc",view:(t,{writer:e})=>this.createTocDataElement(e)}),t.ui.componentFactory.add(Cm.buttonName,(e=>{const n=new pu(e);return n.set({label:this.label,withText:!0}),n.on("execute",(()=>{t.model.change((e=>{const n=e.createElement("op-macro-toc",{});t.model.insertContent(n,t.model.document.selection)}))})),n}))}get label(){return window.I18n.t("js.editor.macro.toc")}createTocViewElement(t){const e=t.createText(this.label),n=t.createContainerElement("div");return t.insert(t.createPositionAt(n,0),e),n}createTocDataElement(t){return t.createContainerElement("macro",{class:"toc"})}}const Am=Symbol("isOPEmbeddedTable");function vm(t){const e=t.getSelectedElement();return!(!e||!function(t){return!!t.getCustomProperty(Am)&&hm(t)}(e))}function ym(t){return _.get(t.config,"_config.openProject.context.resource")}function xm(t){return _.get(t.config,"_config.openProject.pluginContext")}function Em(t,e){return xm(t).services[e]}function Dm(t){return Em(t,"pathHelperService")}class Sm extends pe{static get pluginName(){return"EmbeddedTableEditing"}static get buttonName(){return"insertEmbeddedTable"}init(){const t=this.editor,e=t.model,n=t.conversion,o=xm(t);this.text={button:window.I18n.t("js.editor.macro.embedded_table.button"),macro_text:window.I18n.t("js.editor.macro.embedded_table.text")},e.schema.register("op-macro-embedded-table",{allowWhere:"$block",allowAttributes:["opEmbeddedTableQuery"],isBlock:!0,isObject:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"embedded-table"},model:(t,{writer:e})=>{const n=t.getAttribute("data-query-props");return e.createElement("op-macro-embedded-table",{opEmbeddedTableQuery:n?JSON.parse(n):{}})}}),n.for("editingDowncast").elementToElement({model:"op-macro-embedded-table",view:(t,{writer:e})=>{return n=this.createEmbeddedTableView(e),o=e,this.label,o.setCustomProperty(Am,!0,n),pm(n,o,{label:"your label here"});var n,o}}),n.for("dataDowncast").elementToElement({model:"op-macro-embedded-table",view:(t,{writer:e})=>this.createEmbeddedTableDataElement(t,e)}),t.ui.componentFactory.add(Sm.buttonName,(e=>{const n=new pu(e);return n.set({label:this.text.button,withText:!0}),n.on("execute",(()=>o.runInZone((()=>{o.services.externalQueryConfiguration.show({currentQuery:{},callback:e=>t.model.change((n=>{const o=n.createElement("op-macro-embedded-table",{opEmbeddedTableQuery:e});t.model.insertContent(o,t.model.document.selection)}))})})))),n}))}createEmbeddedTableView(t){const e=t.createText(this.text.macro_text),n=t.createContainerElement("div");return t.insert(t.createPositionAt(n,0),e),n}createEmbeddedTableDataElement(t,e){const n=t.getAttribute("opEmbeddedTableQuery")||{};return e.createContainerElement("macro",{class:"embedded-table","data-query-props":JSON.stringify(n)})}}function*Bm(t,e){for(const n of e)n&&t.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}class Tm extends ge{execute(){const t=this.editor.model,e=t.document;t.change((n=>{!function(t,e,n,o){const i=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(o.isLimit(s)||o.isLimit(a))return void(i||s!=a||t.deleteContent(n));if(i){const t=Bm(e.model.schema,n.getAttributes());Pm(e,r.start),e.setSelectionAttribute(t)}else{const o=!(r.start.isAtStart&&r.end.isAtEnd),i=s==a;t.deleteContent(n,{leaveUnmerged:o}),o&&(i?Pm(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})}))}}function Pm(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class Im extends Bs{constructor(t){super(t);const e=this.document;e.on("keydown",((t,n)=>{if(this.isEnabled&&n.keyCode==ur.enter){const o=new Ui(e,"enter",e.selection.getFirstRange());e.fire(o,new Qs(e,n.domEvent,{isSoft:n.shiftKey})),o.stop.called&&t.stop()}}))}observe(){}}class Rm extends pe{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(Im),t.commands.add("enter",new Tm(t)),this.listenTo(n,"enter",((n,o)=>{o.preventDefault(),o.isSoft||(t.execute("enter"),e.scrollToTheSelection())}),{priority:"low"})}}class zm{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=(t,e)=>{e.isLocal&&e.isUndoable&&e!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch({isTyping:!0})),this._batch}input(t){this.size+=t,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}class Fm extends ge{constructor(t,e){super(t),this.direction=e,this._buffer=new zm(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,n=e.document;e.enqueueChange(this._buffer.batch,(o=>{this._buffer.lock();const i=o.createSelection(t.selection||n.selection),r=t.sequence||1,s=i.isCollapsed;if(i.isCollapsed&&e.modifySelection(i,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(r))return void this._replaceEntireContentWithParagraph(o);if(this._shouldReplaceFirstBlockWithParagraph(i,r))return void this.editor.execute("paragraph",{selection:i});if(i.isCollapsed)return;let a=0;i.getFirstRange().getMinimalFlatRanges().forEach((t=>{a+=qi(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))})),e.deleteContent(i,{doNotResetEntireContent:s,direction:this.direction}),this._buffer.input(a),o.setSelection(i),this._buffer.unlock()}))}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,n=e.document.selection,o=e.schema.getLimitElement(n);if(!(n.isCollapsed&&n.containsEntireContent(o)))return!1;if(!e.schema.checkChild(o,"paragraph"))return!1;const i=o.getChild(0);return!i||"paragraph"!==i.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,n=e.document.selection,o=e.schema.getLimitElement(n),i=t.createElement("paragraph");t.remove(t.createRangeIn(o)),t.insert(i,o),t.setSelection(i,0)}_shouldReplaceFirstBlockWithParagraph(t,e){const n=this.editor.model;if(e>1||"backward"!=this.direction)return!1;if(!t.isCollapsed)return!1;const o=t.getFirstPosition(),i=n.schema.getLimitElement(o),r=i.getChild(0);return o.parent==r&&(!!t.containsEntireContent(r)&&(!!n.schema.checkChild(i,"paragraph")&&"paragraph"!=r.name))}}function Nm(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const n=[];let o,i=0;return t.forEach((t=>{"equal"==t?(r(),i++):"insert"==t?(s("insert")?o.values.push(e[i]):(r(),o={type:"insert",index:i,values:[e[i]]}),i++):s("delete")?o.howMany++:(r(),o={type:"delete",index:i,howMany:1})})),r(),n;function r(){o&&(n.push(o),o=null)}function s(t){return o&&o.type==t}}($r(t.oldChildren,t.newChildren,Om),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("$text")?n:void 0}function Om(t,e){return t&&t.is("$text")&&e&&e.is("$text")?t.data===e.data:t===e}function Mm(t,e){const n=e.selection,o=t.shiftKey&&t.keyCode===ur.delete,i=!n.isCollapsed;return o&&i}class Vm extends Bs{constructor(t){super(t);const e=t.document;let n=0;function o(t,n,o){const i=new Ui(e,"delete",e.selection.getFirstRange());e.fire(i,new Qs(e,n,o)),i.stop.called&&t.stop()}e.on("keyup",((t,e)=>{e.keyCode!=ur.delete&&e.keyCode!=ur.backspace||(n=0)})),e.on("keydown",((t,i)=>{if(ar.isWindows&&Mm(i,e))return;const r={};if(i.keyCode==ur.delete)r.direction="forward",r.unit="character";else{if(i.keyCode!=ur.backspace)return;r.direction="backward",r.unit="codePoint"}const s=ar.isMac?i.altKey:i.ctrlKey;r.unit=s?"word":r.unit,r.sequence=++n,o(t,i.domEvent,r)})),ar.isAndroid&&e.on("beforeinput",((e,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const i={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(i.selectionToRemove=t.domConverter.domSelectionToView(r)),o(e,n.domEvent,i)}))}observe(){}}class Lm extends pe{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document,o=t.model.document;e.addObserver(Vm),this._undoOnBackspace=!1;const i=new Fm(t,"forward");if(t.commands.add("deleteForward",i),t.commands.add("forwardDelete",i),t.commands.add("delete",new Fm(t,"backward")),this.listenTo(n,"delete",((n,o)=>{const i={unit:o.unit,sequence:o.sequence};if(o.selectionToRemove){const e=t.model.createSelection(),n=[];for(const e of o.selectionToRemove.getRanges())n.push(t.editing.mapper.toModelRange(e));e.setTo(n),i.selection=e}t.execute("forward"==o.direction?"deleteForward":"delete",i),o.preventDefault(),e.scrollToTheSelection()}),{priority:"low"}),ar.isAndroid){let t=null;this.listenTo(n,"delete",((e,n)=>{const o=n.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:o.anchorNode,anchorOffset:o.anchorOffset,focusNode:o.focusNode,focusOffset:o.focusOffset}}),{priority:"lowest"}),this.listenTo(n,"keyup",((e,n)=>{if(t){const e=n.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset),e.extend(t.focusNode,t.focusOffset),t=null}}))}this.editor.plugins.has("UndoEditing")&&(this.listenTo(n,"delete",((e,n)=>{this._undoOnBackspace&&"backward"==n.direction&&1==n.sequence&&"codePoint"==n.unit&&(this._undoOnBackspace=!1,t.execute("undo"),n.preventDefault(),e.stop())}),{context:"$capture"}),this.listenTo(o,"change",(()=>{this._undoOnBackspace=!1})))}requestUndoOnBackspace(){this.editor.plugins.has("UndoEditing")&&(this._undoOnBackspace=!0)}}const Hm=[pr("arrowUp"),pr("arrowRight"),pr("arrowDown"),pr("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++)Hm.push(t);function qm(t){return!(!t.ctrlKey&&!t.metaKey)||Hm.includes(t.keyCode)}var Wm=n(5137),jm={attributes:{"data-cke":!0}};jm.setAttributes=is(),jm.insert=ns().bind(null,"head"),jm.domAPI=ts(),jm.insertStyleElement=ss();Qr()(Wm.Z,jm);Wm.Z&&Wm.Z.locals&&Wm.Z.locals;const Um=["before","after"],$m=(new DOMParser).parseFromString('<svg viewBox="0 0 10 8" xmlns="http://www.w3.org/2000/svg"><path d="M9.055.263v3.972h-6.77M1 4.216l2-2.038m-2 2 2 2.038"/></svg>',"image/svg+xml").firstChild,Gm="ck-widget__type-around_disabled";class Km extends pe{static get pluginName(){return"WidgetTypeAround"}static get requires(){return[Rm,Lm]}constructor(t){super(t),this._currentFakeCaretModelElement=null}init(){const t=this.editor,e=t.editing.view;this.on("change:isEnabled",((n,o,i)=>{e.change((t=>{for(const n of e.document.roots)i?t.removeClass(Gm,n):t.addClass(Gm,n)})),i||t.model.change((t=>{t.removeSelectionAttribute(am)}))})),this._enableTypeAroundUIInjection(),this._enableInsertingParagraphsOnButtonClick(),this._enableInsertingParagraphsOnEnterKeypress(),this._enableInsertingParagraphsOnTypingKeystroke(),this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows(),this._enableDeleteIntegration(),this._enableInsertContentIntegration(),this._enableDeleteContentIntegration()}destroy(){this._currentFakeCaretModelElement=null}_insertParagraph(t,e){const n=this.editor,o=n.editing.view;n.execute("insertParagraph",{position:n.model.createPositionAt(t,e)}),o.focus(),o.scrollToTheSelection()}_listenToIfEnabled(t,e,n,o){this.listenTo(t,e,((...t)=>{this.isEnabled&&n(...t)}),o)}_insertParagraphAccordingToFakeCaretPosition(){const t=this.editor.model.document.selection,e=lm(t);if(!e)return!1;const n=t.getSelectedElement();return this._insertParagraph(n,e),!0}_enableTypeAroundUIInjection(){const t=this.editor,e=t.model.schema,n=t.locale.t,o={before:n("Insert paragraph before block"),after:n("Insert paragraph after block")};t.editing.downcastDispatcher.on("insert",((t,n,i)=>{const r=i.mapper.toViewElement(n.item);cm(r,n.item,e)&&function(t,e,n){const o=t.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},(function(t){const n=this.toDomElement(t);return function(t,e){for(const n of Um){const o=new Md({tag:"div",attributes:{class:["ck","ck-widget__type-around__button",`ck-widget__type-around__button_${n}`],title:e[n]},children:[t.ownerDocument.importNode($m,!0)]});t.appendChild(o.render())}}(n,e),function(t){const e=new Md({tag:"div",attributes:{class:["ck","ck-widget__type-around__fake-caret"]}});t.appendChild(e.render())}(n),n}));t.insert(t.createPositionAt(n,"end"),o)}(i.writer,o,r)}),{priority:"low"})}_enableTypeAroundFakeCaretActivationUsingKeyboardArrows(){const t=this.editor,e=t.model,n=e.document.selection,o=e.schema,i=t.editing.view;function r(t){return`ck-widget_type-around_show-fake-caret_${t}`}this._listenToIfEnabled(i.document,"arrowKey",((t,e)=>{this._handleArrowKeyPress(t,e)}),{context:[hm,"$text"],priority:"high"}),this._listenToIfEnabled(n,"change:range",((e,n)=>{n.directChange&&t.model.change((t=>{t.removeSelectionAttribute(am)}))})),this._listenToIfEnabled(e.document,"change:data",(()=>{const e=n.getSelectedElement();if(e){if(cm(t.editing.mapper.toViewElement(e),e,o))return}t.model.change((t=>{t.removeSelectionAttribute(am)}))})),this._listenToIfEnabled(t.editing.downcastDispatcher,"selection",((t,e,n)=>{const i=n.writer;if(this._currentFakeCaretModelElement){const t=n.mapper.toViewElement(this._currentFakeCaretModelElement);t&&(i.removeClass(Um.map(r),t),this._currentFakeCaretModelElement=null)}const s=e.selection.getSelectedElement();if(!s)return;const a=n.mapper.toViewElement(s);if(!cm(a,s,o))return;const c=lm(e.selection);c&&(i.addClass(r(c),a),this._currentFakeCaretModelElement=s)})),this._listenToIfEnabled(t.ui.focusTracker,"change:isFocused",((e,n,o)=>{o||t.model.change((t=>{t.removeSelectionAttribute(am)}))}))}_handleArrowKeyPress(t,e){const n=this.editor,o=n.model,i=o.document.selection,r=o.schema,s=n.editing.view,a=function(t,e){const n=fr(t,e);return"down"===n||"right"===n}(e.keyCode,n.locale.contentLanguageDirection),c=s.document.selection.getSelectedElement();let l;cm(c,n.editing.mapper.toModelElement(c),r)?l=this._handleArrowKeyPressOnSelectedWidget(a):i.isCollapsed?l=this._handleArrowKeyPressWhenSelectionNextToAWidget(a):e.shiftKey||(l=this._handleArrowKeyPressWhenNonCollapsedSelection(a)),l&&(e.preventDefault(),t.stop())}_handleArrowKeyPressOnSelectedWidget(t){const e=this.editor.model,n=lm(e.document.selection);return e.change((e=>{if(!n)return e.setSelectionAttribute(am,t?"after":"before"),!0;if(!(n===(t?"after":"before")))return e.removeSelectionAttribute(am),!0;return!1}))}_handleArrowKeyPressWhenSelectionNextToAWidget(t){const e=this.editor,n=e.model,o=n.schema,i=e.plugins.get("Widget"),r=i._getObjectElementNextToSelection(t);return!!cm(e.editing.mapper.toViewElement(r),r,o)&&(n.change((e=>{i._setSelectionOverElement(r),e.setSelectionAttribute(am,t?"before":"after")})),!0)}_handleArrowKeyPressWhenNonCollapsedSelection(t){const e=this.editor,n=e.model,o=n.schema,i=e.editing.mapper,r=n.document.selection,s=t?r.getLastPosition().nodeBefore:r.getFirstPosition().nodeAfter;return!!cm(i.toViewElement(s),s,o)&&(n.change((e=>{e.setSelection(s,"on"),e.setSelectionAttribute(am,t?"after":"before")})),!0)}_enableInsertingParagraphsOnButtonClick(){const t=this.editor,e=t.editing.view;this._listenToIfEnabled(e.document,"mousedown",((n,o)=>{const i=o.domTarget.closest(".ck-widget__type-around__button");if(!i)return;const r=function(t){return t.classList.contains("ck-widget__type-around__button_before")?"before":"after"}(i),s=function(t,e){const n=t.closest(".ck-widget");return e.mapDomToView(n)}(i,e.domConverter),a=t.editing.mapper.toModelElement(s);this._insertParagraph(a,r),o.preventDefault(),n.stop()}))}_enableInsertingParagraphsOnEnterKeypress(){const t=this.editor,e=t.model.document.selection,n=t.editing.view;this._listenToIfEnabled(n.document,"enter",((n,o)=>{if("atTarget"!=n.eventPhase)return;const i=e.getSelectedElement(),r=t.editing.mapper.toViewElement(i),s=t.model.schema;let a;this._insertParagraphAccordingToFakeCaretPosition()?a=!0:cm(r,i,s)&&(this._insertParagraph(i,o.isSoft?"before":"after"),a=!0),a&&(o.preventDefault(),n.stop())}),{context:hm})}_enableInsertingParagraphsOnTypingKeystroke(){const t=this.editor.editing.view,e=[ur.enter,ur.delete,ur.backspace];this._listenToIfEnabled(t.document,"keydown",((t,n)=>{e.includes(n.keyCode)||qm(n)||this._insertParagraphAccordingToFakeCaretPosition()}),{priority:"high"})}_enableDeleteIntegration(){const t=this.editor,e=t.editing.view,n=t.model,o=n.schema;this._listenToIfEnabled(e.document,"delete",((e,i)=>{if("atTarget"!=e.eventPhase)return;const r=lm(n.document.selection);if(!r)return;const s=i.direction,a=n.document.selection.getSelectedElement(),c="forward"==s;if("before"===r===c)t.execute("delete",{selection:n.createSelection(a,"on")});else{const e=o.getNearestSelectionRange(n.createPositionAt(a,r),s);if(e)if(e.isCollapsed){const i=n.createSelection(e.start);if(n.modifySelection(i,{direction:s}),i.focus.isEqual(e.start)){const t=function(t,e){let n=e;for(const o of e.getAncestors({parentFirst:!0})){if(o.childCount>1||t.isLimit(o))break;n=o}return n}(o,e.start.parent);n.deleteContent(n.createSelection(t,"on"),{doNotAutoparagraph:!0})}else n.change((n=>{n.setSelection(e),t.execute(c?"deleteForward":"delete")}))}else n.change((n=>{n.setSelection(e),t.execute(c?"deleteForward":"delete")}))}i.preventDefault(),e.stop()}),{context:hm})}_enableInsertContentIntegration(){const t=this.editor,e=this.editor.model,n=e.document.selection;this._listenToIfEnabled(t.model,"insertContent",((t,[o,i])=>{if(i&&!i.is("documentSelection"))return;const r=lm(n);return r?(t.stop(),e.change((t=>{const i=n.getSelectedElement(),s=e.createPositionAt(i,r),a=t.createSelection(s),c=e.insertContent(o,a);return t.setSelection(a),c}))):void 0}),{priority:"high"})}_enableDeleteContentIntegration(){const t=this.editor,e=this.editor.model.document.selection;this._listenToIfEnabled(t.model,"deleteContent",((t,[n])=>{if(n&&!n.is("documentSelection"))return;lm(e)&&t.stop()}),{priority:"high"})}}function Zm(t){const e=t.model;return(n,o)=>{const i=o.keyCode==ur.arrowup,r=o.keyCode==ur.arrowdown,s=o.shiftKey,a=e.document.selection;if(!i&&!r)return;const c=r;if(s&&function(t,e){return!t.isCollapsed&&t.isBackward==e}(a,c))return;const l=function(t,e,n){const o=t.model;if(n){const t=e.isCollapsed?e.focus:e.getLastPosition(),n=Jm(o,t,"forward");if(!n)return null;const i=o.createRange(t,n),r=Ym(o.schema,i,"backward");return r?o.createRange(t,r):null}{const t=e.isCollapsed?e.focus:e.getFirstPosition(),n=Jm(o,t,"backward");if(!n)return null;const i=o.createRange(n,t),r=Ym(o.schema,i,"forward");return r?o.createRange(r,t):null}}(t,a,c);if(l){if(l.isCollapsed){if(a.isCollapsed)return;if(s)return}(l.isCollapsed||function(t,e,n){const o=t.model,i=t.view.domConverter;if(n){const t=o.createSelection(e.start);o.modifySelection(t),t.focus.isAtEnd||e.start.isEqual(t.focus)||(e=o.createRange(t.focus,e.end))}const r=t.mapper.toViewRange(e),s=i.viewRangeToDom(r),a=ya.getDomRangeRects(s);let c;for(const t of a)if(void 0!==c){if(Math.round(t.top)>=c)return!1;c=Math.max(c,Math.round(t.bottom))}else c=Math.round(t.bottom);return!0}(t,l,c))&&(e.change((t=>{const n=c?l.end:l.start;if(s){const o=e.createSelection(a.anchor);o.setFocus(n),t.setSelection(o)}else t.setSelection(n)})),n.stop(),o.preventDefault(),o.stopPropagation())}}}function Jm(t,e,n){const o=t.schema,i=t.createRangeIn(e.root),r="forward"==n?"elementStart":"elementEnd";for(const{previousPosition:t,item:s,type:a}of i.getWalker({startPosition:e,direction:n})){if(o.isLimit(s)&&!o.isInline(s))return t;if(a==r&&o.isBlock(s))return null}return null}function Ym(t,e,n){const o="backward"==n?e.end:e.start;if(t.checkChild(o,"$text"))return o;for(const{nextPosition:o}of e.getWalker({direction:n}))if(t.checkChild(o,"$text"))return o;return null}var Qm=n(6507),Xm={attributes:{"data-cke":!0}};Xm.setAttributes=is(),Xm.insert=ns().bind(null,"head"),Xm.domAPI=ts(),Xm.insertStyleElement=ss();Qr()(Qm.Z,Xm);Qm.Z&&Qm.Z.locals&&Qm.Z.locals;class tg extends pe{static get pluginName(){return"Widget"}static get requires(){return[Km,Lm]}init(){const t=this.editor,e=t.editing.view,n=e.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",((e,n,o)=>{const i=o.writer,r=n.selection;if(r.isCollapsed)return;const s=r.getSelectedElement();if(!s)return;const a=t.editing.mapper.toViewElement(s);hm(a)&&o.consumable.consume(r,"selection")&&i.setSelection(i.createRangeOn(a),{fake:!0,label:bm(a)})})),this.editor.editing.downcastDispatcher.on("selection",((t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const o=n.writer,i=o.document.selection;let r=null;for(const t of i.getRanges())for(const e of t){const t=e.item;hm(t)&&!eg(t,r)&&(o.addClass(um,t),this._previouslySelected.add(t),r=t)}}),{priority:"low"}),e.addObserver(hp),this.listenTo(n,"mousedown",((...t)=>this._onMousedown(...t))),this.listenTo(n,"arrowKey",((...t)=>{this._handleSelectionChangeOnArrowKeyPress(...t)}),{context:[hm,"$text"]}),this.listenTo(n,"arrowKey",((...t)=>{this._preventDefaultOnArrowKeyPress(...t)}),{context:"$root"}),this.listenTo(n,"arrowKey",Zm(this.editor.editing),{context:"$text"}),this.listenTo(n,"delete",((t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())}),{context:"$root"})}_onMousedown(t,e){const n=this.editor,o=n.editing.view,i=o.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(hm(t))return!1;t=t.parent}return!1}(r)){if((ar.isSafari||ar.isGecko)&&e.domEvent.detail>=3){const t=n.editing.mapper,o=r.is("attributeElement")?r.findAncestor((t=>!t.is("attributeElement"))):r,i=t.toModelElement(o);e.preventDefault(),this.editor.model.change((t=>{t.setSelection(i,"in")}))}return}if(!hm(r)&&(r=r.findAncestor(hm),!r))return;ar.isAndroid&&e.preventDefault(),i.isFocused||o.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_handleSelectionChangeOnArrowKeyPress(t,e){const n=e.keyCode,o=this.editor.model,i=o.schema,r=o.document.selection,s=r.getSelectedElement(),a=fr(n,this.editor.locale.contentLanguageDirection),c="down"==a||"right"==a,l="up"==a||"down"==a;if(s&&i.isObject(s)){const n=c?r.getLastPosition():r.getFirstPosition(),s=i.getNearestSelectionRange(n,c?"forward":"backward");return void(s&&(o.change((t=>{t.setSelection(s)})),e.preventDefault(),t.stop()))}if(!r.isCollapsed&&!e.shiftKey){const n=r.getFirstPosition(),s=r.getLastPosition(),a=n.nodeAfter,l=s.nodeBefore;return void((a&&i.isObject(a)||l&&i.isObject(l))&&(o.change((t=>{t.setSelection(c?s:n)})),e.preventDefault(),t.stop()))}if(!r.isCollapsed)return;const d=this._getObjectElementNextToSelection(c);if(d&&i.isObject(d)){if(i.isInline(d)&&l)return;this._setSelectionOverElement(d),e.preventDefault(),t.stop()}}_preventDefaultOnArrowKeyPress(t,e){const n=this.editor.model,o=n.schema,i=n.document.selection.getSelectedElement();i&&o.isObject(i)&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const n=this._getObjectElementNextToSelection(t);return n?(this.editor.model.change((t=>{let o=e.anchor.parent;for(;o.isEmpty;){const e=o;o=e.parent,t.remove(e)}this._setSelectionOverElement(n)})),!0):void 0}_setSelectionOverElement(t){this.editor.model.change((e=>{e.setSelection(e.createRangeOn(t))}))}_getObjectElementNextToSelection(t){const e=this.editor.model,n=e.schema,o=e.document.selection,i=e.createSelection(o);if(e.modifySelection(i,{direction:t?"forward":"backward"}),i.isEqual(o))return null;const r=t?i.focus.nodeBefore:i.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass(um,e);this._previouslySelected.clear()}}function eg(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}function ng(t,e,n){t.ui.componentFactory.add(e,(e=>{const o=new pu(e);return o.set({label:I18n.t("js.button_edit"),icon:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"  width="20" height="20"><path d="M1.586 18.227l.398-2.753.398-2.753 2.355 2.388 2.355 2.355-2.753.365zM14.954 8.01l-7.099 7.065-.763-.796 7.065-7.066-1.592-1.559L5.5 12.721l-.763-.796 7.065-7.066-.796-.796-7.861 7.862 4.71 4.71 7.861-7.828zm3.25-1.56c.398-.397.398-1.094-.033-1.525L15.02 1.775c-.431-.432-1.128-.465-1.526-.034l-.1.1-1.525 1.493 4.71 4.71 1.526-1.493-.033-.033c.033-.033.099-.033.132-.066z"/></svg>\n',tooltip:!0}),o.on("execute",(()=>{const e=t.model.document.selection.getSelectedElement();e&&n(e)})),o}))}const og="ck-toolbar-container";function ig(t,e,n,o){const i=e.config.get(n+".toolbar");if(!i||!i.length)return;const r=e.plugins.get("ContextualBalloon"),s=new Wu(e.locale);function a(){e.ui.focusTracker.isFocused&&o(e.editing.view.document.selection)?l()?function(t,e){const n=t.plugins.get("ContextualBalloon");if(e(t.editing.view.document.selection)){const e=rg(t);n.updatePosition(e)}}(e,o):r.hasView(s)||r.add({view:s,position:rg(e),balloonClassName:og}):c()}function c(){l()&&r.remove(s)}function l(){return r.visibleView==s}s.fillFromConfig(i,e.ui.componentFactory),t.listenTo(e.editing.view,"render",a),t.listenTo(e.ui.focusTracker,"change:isFocused",a,{priority:"low"})}function rg(t){const e=t.editing.view,n=Ih.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class sg extends pe{static get requires(){return[Vh]}static get pluginName(){return"EmbeddedTableToolbar"}init(){const t=this.editor,e=this.editor.model,n=xm(t);ng(t,"opEditEmbeddedTableQuery",(t=>{const o=n.services.externalQueryConfiguration,i=t.getAttribute("opEmbeddedTableQuery")||{};n.runInZone((()=>{o.show({currentQuery:i,callback:n=>e.change((e=>{e.setAttribute("opEmbeddedTableQuery",n,t)}))})}))}))}afterInit(){ig(this,this.editor,"OPMacroEmbeddedTable",vm)}}const ag=Symbol("isWpButtonMacroSymbol");function cg(t){const e=t.getSelectedElement();return!(!e||!function(t){return!!t.getCustomProperty(ag)&&hm(t)}(e))}class lg extends pe{static get pluginName(){return"OPMacroWpButtonEditing"}static get buttonName(){return"insertWorkPackageButton"}init(){const t=this.editor,e=t.model,n=t.conversion,o=xm(t);e.schema.register("op-macro-wp-button",{allowWhere:["$block"],allowAttributes:["type","classes"],isBlock:!0,isLimit:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"create_work_package_link"},model:(t,{writer:e})=>{const n=t.getAttribute("data-type")||"",o=t.getAttribute("data-classes")||"";return e.createElement("op-macro-wp-button",{type:n,classes:o})}}),n.for("editingDowncast").elementToElement({model:"op-macro-wp-button",view:(t,{writer:e})=>this.createMacroViewElement(t,e)}),n.for("dataDowncast").elementToElement({model:"op-macro-wp-button",view:(t,{writer:e})=>e.createContainerElement("macro",{class:"create_work_package_link","data-type":t.getAttribute("type")||"","data-classes":t.getAttribute("classes")||""})}),t.ui.componentFactory.add(lg.buttonName,(e=>{const n=new pu(e);return n.set({label:window.I18n.t("js.editor.macro.work_package_button.button"),withText:!0}),n.on("execute",(()=>{o.services.macros.configureWorkPackageButton().then((e=>t.model.change((n=>{const o=n.createElement("op-macro-wp-button",{});n.setAttribute("type",e.type,o),n.setAttribute("classes",e.classes,o),t.model.insertContent(o,t.model.document.selection)}))))})),n}))}macroLabel(t){return t?window.I18n.t("js.editor.macro.work_package_button.with_type",{typename:t}):window.I18n.t("js.editor.macro.work_package_button.without_type")}createMacroViewElement(t,e){t.getAttribute("type");const n=t.getAttribute("classes")||"",o=this.macroLabel(),i=e.createText(o),r=e.createContainerElement("span",{class:n});return e.insert(e.createPositionAt(r,0),i),function(t,e,n){return e.setCustomProperty(ag,!0,t),pm(t,e,{label:n})}(r,e,{label:o})}}class dg extends pe{static get requires(){return[Vh]}static get pluginName(){return"OPMacroWpButtonToolbar"}init(){const t=this.editor,e=(this.editor.model,xm(t));ng(t,"opEditWpMacroButton",(n=>{const o=e.services.macros,i=n.getAttribute("type"),r=n.getAttribute("classes");o.configureWorkPackageButton(i,r).then((e=>t.model.change((t=>{t.setAttribute("classes",e.classes,n),t.setAttribute("type",e.type,n)}))))}))}afterInit(){ig(this,this.editor,"OPMacroWpButton",cg)}}class ug{constructor(){const t=new window.FileReader;this._reader=t,this._data=void 0,this.set("loaded",0),t.onprogress=t=>{this.loaded=t.loaded}}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;return this.total=t.size,new Promise(((n,o)=>{e.onload=()=>{const t=e.result;this._data=t,n(t)},e.onerror=()=>{o("error")},e.onabort=()=>{o("aborted")},this._reader.readAsDataURL(t)}))}abort(){this._reader.abort()}}he(ug,se);class hg extends pe{static get pluginName(){return"FileRepository"}static get requires(){return[Sd]}init(){this.loaders=new So,this.loaders.on("add",(()=>this._updatePendingAction())),this.loaders.on("remove",(()=>this._updatePendingAction())),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((t,e)=>e?t/e*100:0))}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return a("filerepository-no-upload-adapter"),null;const e=new pg(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then((t=>{this._loadersMap.set(t,e)})).catch((()=>{})),e.on("change:uploaded",(()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t})),e.on("change:uploadTotal",(()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t})),e}destroyLoader(t){const e=t instanceof pg?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach(((t,n)=>{t===e&&this._loadersMap.delete(n)}))}_updatePendingAction(){const t=this.editor.plugins.get(Sd);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e("Upload in progress")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else t.remove(this._pendingAction),this._pendingAction=null}}he(hg,se);class pg{constructor(t,e){this.id=i(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new ug,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((t,e)=>e?t/e*100:0)),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then((t=>this._filePromiseWrapper?t:null)):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new s("filerepository-read-wrong-status",this);return this.status="reading",this.file.then((t=>this._reader.read(t))).then((t=>{if("reading"!==this.status)throw this.status;return this.status="idle",t})).catch((t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t}))}upload(){if("idle"!=this.status)throw new s("filerepository-upload-wrong-status",this);return this.status="uploading",this.file.then((()=>this._adapter.upload())).then((t=>(this.uploadResponse=t,this.status="idle",t))).catch((t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t}))}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch((()=>{})),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise(((n,o)=>{e.rejecter=o,e.isFulfilled=!1,t.then((t=>{e.isFulfilled=!0,n(t)})).catch((t=>{e.isFulfilled=!0,o(t)}))})),e}}he(pg,se);class mg{constructor(t,e,n){this.loader=t,this.resource=e,this.editor=n}upload(){const t=this.resource,e=Em(this.editor,"attachmentsResourceService");return t?this.loader.file.then((n=>e.attachFiles(t,[n]).toPromise().then((t=>(this.editor.model.fire("op:attachment-added",t),this.buildResponse(t[0])))).catch((t=>{console.error("Failed upload %O",t)})))):(console.warn("resource not available in this CKEditor instance"),Promise.reject("Not possible to upload attachments without resource"))}buildResponse(t){return{default:t._links.staticDownloadLocation.href}}abort(){return!1}}class gg extends Od{constructor(t){super(t),this.buttonView=new pu(t),this._fileInputView=new fg(t),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",(()=>{this._fileInputView.open()}))}focus(){this.buttonView.focus()}}class fg extends Od{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to((()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""}))}})}open(){this.element.click()}}function bg(t){const e=t.map((t=>t.replace("+","\\+")));return new RegExp(`^image\\/(${e.join("|")})$`)}function kg(t){return new Promise(((e,n)=>{const o=t.getAttribute("src");fetch(o).then((t=>t.blob())).then((t=>{const n=wg(t,o),i=n.replace("image/",""),r=new File([t],`image.${i}`,{type:n});e(r)})).catch((t=>t&&"TypeError"===t.name?function(t){return function(t){return new Promise(((e,n)=>{const o=ps.document.createElement("img");o.addEventListener("load",(()=>{const t=ps.document.createElement("canvas");t.width=o.width,t.height=o.height;t.getContext("2d").drawImage(o,0,0),t.toBlob((t=>t?e(t):n()))})),o.addEventListener("error",(()=>n())),o.src=t}))}(t).then((e=>{const n=wg(e,t),o=n.replace("image/","");return new File([e],`image.${o}`,{type:n})}))}(o).then(e).catch(n):n(t)))}))}function wg(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}class _g extends pe{static get pluginName(){return"ImageUploadUI"}init(){const t=this.editor,e=t.t,n=n=>{const o=new gg(n),i=t.commands.get("uploadImage"),r=t.config.get("image.upload.types"),s=bg(r);return o.set({acceptedType:r.map((t=>`image/${t}`)).join(","),allowMultipleFiles:!0}),o.buttonView.set({label:e("Insert image"),icon:Td.image,tooltip:!0}),o.buttonView.bind("isEnabled").to(i),o.on("done",((e,n)=>{const o=Array.from(n).filter((t=>s.test(t.type)));o.length&&t.execute("uploadImage",{file:o})})),o};t.ui.componentFactory.add("uploadImage",n),t.ui.componentFactory.add("imageUpload",n)}}var Cg=n(5870),Ag={attributes:{"data-cke":!0}};Ag.setAttributes=is(),Ag.insert=ns().bind(null,"head"),Ag.domAPI=ts(),Ag.insertStyleElement=ss();Qr()(Cg.Z,Ag);Cg.Z&&Cg.Z.locals&&Cg.Z.locals;var vg=n(9899),yg={attributes:{"data-cke":!0}};yg.setAttributes=is(),yg.insert=ns().bind(null,"head"),yg.domAPI=ts(),yg.insertStyleElement=ss();Qr()(vg.Z,yg);vg.Z&&vg.Z.locals&&vg.Z.locals;var xg=n(9825),Eg={attributes:{"data-cke":!0}};Eg.setAttributes=is(),Eg.insert=ns().bind(null,"head"),Eg.domAPI=ts(),Eg.insertStyleElement=ss();Qr()(xg.Z,Eg);xg.Z&&xg.Z.locals&&xg.Z.locals;class Dg extends pe{static get pluginName(){return"ImageUploadProgress"}constructor(t){super(t),this.placeholder="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="}init(){const t=this.editor;t.plugins.has("ImageBlockEditing")&&t.editing.downcastDispatcher.on("attribute:uploadStatus:imageBlock",((...t)=>this.uploadStatusChange(...t))),t.plugins.has("ImageInlineEditing")&&t.editing.downcastDispatcher.on("attribute:uploadStatus:imageInline",((...t)=>this.uploadStatusChange(...t)))}uploadStatusChange(t,e,n){const o=this.editor,i=e.item,r=i.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name))return;const s=o.plugins.get("ImageUtils"),a=o.plugins.get(hg),c=r?e.attributeNewValue:null,l=this.placeholder,d=o.editing.mapper.toViewElement(i),u=n.writer;if("reading"==c)return Sg(d,u),void Bg(s,l,d,u);if("uploading"==c){const t=a.loaders.get(r);return Sg(d,u),void(t?(Tg(d,u),function(t,e,n,o){const i=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),i),n.on("change:uploadedPercent",((t,e,n)=>{o.change((t=>{t.setStyle("width",n+"%",i)}))}))}(d,u,t,o.editing.view),function(t,e,n,o){if(o.data){const i=t.findViewImgElement(e);n.setAttribute("src",o.data,i)}}(s,d,u,t)):Bg(s,l,d,u))}"complete"==c&&a.loaders.get(r)&&function(t,e,n){const o=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),o),setTimeout((()=>{n.change((t=>t.remove(t.createRangeOn(o))))}),3e3)}(d,u,o.editing.view),function(t,e){Ig(t,e,"progressBar")}(d,u),Tg(d,u),function(t,e){e.removeClass("ck-appear",t)}(d,u)}}function Sg(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function Bg(t,e,n,o){n.hasClass("ck-image-upload-placeholder")||o.addClass("ck-image-upload-placeholder",n);const i=t.findViewImgElement(n);i.getAttribute("src")!==e&&o.setAttribute("src",e,i),Pg(n,"placeholder")||o.insert(o.createPositionAfter(i),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(o))}function Tg(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),Ig(t,e,"placeholder")}function Pg(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function Ig(t,e,n){const o=Pg(t,n);o&&e.remove(e.createRangeOn(o))}class Rg{constructor(t){this.files=function(t){const e=Array.from(t.files||[]),n=Array.from(t.items||[]);if(e.length)return e;return n.filter((t=>"file"===t.kind)).map((t=>t.getAsFile()))}(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}set effectAllowed(t){this._native.effectAllowed=t}get effectAllowed(){return this._native.effectAllowed}set dropEffect(t){this._native.dropEffect=t}get dropEffect(){return this._native.dropEffect}get isCanceled(){return"none"==this._native.dropEffect||!!this._native.mozUserCancelled}}class zg extends Xs{constructor(t){super(t);const n=this.document;function o(t){return(o,i)=>{i.preventDefault();const r=i.dropRange?[i.dropRange]:null,s=new e(n,t);n.fire(s,{dataTransfer:i.dataTransfer,method:o.name,targetRanges:r,target:i.target}),s.stop.called&&i.stopPropagation()}}this.domEventType=["paste","copy","cut","drop","dragover","dragstart","dragend","dragenter","dragleave"],this.listenTo(n,"paste",o("clipboardInput"),{priority:"low"}),this.listenTo(n,"drop",o("clipboardInput"),{priority:"low"}),this.listenTo(n,"dragover",o("dragging"),{priority:"low"})}onDomEvent(t){const e={dataTransfer:new Rg(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"!=t.type&&"dragover"!=t.type||(e.dropRange=function(t,e){const n=e.target.ownerDocument,o=e.clientX,i=e.clientY;let r;n.caretRangeFromPoint&&n.caretRangeFromPoint(o,i)?r=n.caretRangeFromPoint(o,i):e.rangeParent&&(r=n.createRange(),r.setStart(e.rangeParent,e.rangeOffset),r.collapse(!0));if(r)return t.domConverter.domRangeToView(r);return null}(this.view,t)),this.fire(t.type,t,e)}}const Fg=["figcaption","li"];function Ng(t){let e="";if(t.is("$text")||t.is("$textProxy"))e=t.data;else if(t.is("element","img")&&t.hasAttribute("alt"))e=t.getAttribute("alt");else if(t.is("element","br"))e="\n";else{let n=null;for(const o of t.getChildren()){const t=Ng(o);n&&(n.is("containerElement")||o.is("containerElement"))&&(Fg.includes(n.name)||Fg.includes(o.name)?e+="\n":e+="\n\n"),e+=t,n=o}}return e}class Og extends pe{static get pluginName(){return"ClipboardPipeline"}init(){this.editor.editing.view.addObserver(zg),this._setupPasteDrop(),this._setupCopyCut()}_setupPasteDrop(){const t=this.editor,n=t.model,o=t.editing.view,i=o.document;this.listenTo(i,"clipboardInput",(e=>{t.isReadOnly&&e.stop()}),{priority:"highest"}),this.listenTo(i,"clipboardInput",((t,n)=>{const i=n.dataTransfer;let r=n.content||"";var s;r||(i.getData("text/html")?r=function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,((t,e)=>1==e.length?" ":e)).replace(/<!--[\s\S]*?-->/g,"")}(i.getData("text/html")):i.getData("text/plain")&&(((s=(s=i.getData("text/plain")).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\r?\n\r?\n/g,"</p><p>").replace(/\r?\n/g,"<br>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).includes("</p><p>")||s.includes("<br>"))&&(s=`<p>${s}</p>`),r=s),r=this.editor.data.htmlProcessor.toView(r));const a=new e(this,"inputTransformation");this.fire(a,{content:r,dataTransfer:i,targetRanges:n.targetRanges,method:n.method}),a.stop.called&&t.stop(),o.scrollToTheSelection()}),{priority:"low"}),this.listenTo(this,"inputTransformation",((t,e)=>{if(e.content.isEmpty)return;const o=this.editor.data.toModel(e.content,"$clipboardHolder");0!=o.childCount&&(t.stop(),n.change((()=>{this.fire("contentInsertion",{content:o,method:e.method,dataTransfer:e.dataTransfer,targetRanges:e.targetRanges})})))}),{priority:"low"}),this.listenTo(this,"contentInsertion",((t,e)=>{e.resultRange=n.insertContent(e.content)}),{priority:"low"})}_setupCopyCut(){const t=this.editor,e=t.model.document,n=t.editing.view.document;function o(o,i){const r=i.dataTransfer;i.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));n.fire("clipboardOutput",{dataTransfer:r,content:s,method:o.name})}this.listenTo(n,"copy",o,{priority:"low"}),this.listenTo(n,"cut",((e,n)=>{t.isReadOnly?n.preventDefault():o(e,n)}),{priority:"low"}),this.listenTo(n,"clipboardOutput",((n,o)=>{o.content.isEmpty||(o.dataTransfer.setData("text/html",this.editor.data.htmlProcessor.toData(o.content)),o.dataTransfer.setData("text/plain",Ng(o.content))),"cut"==o.method&&t.model.deleteContent(e.selection)}),{priority:"low"})}}var Mg=n(390),Vg={attributes:{"data-cke":!0}};Vg.setAttributes=is(),Vg.insert=ns().bind(null,"head"),Vg.domAPI=ts(),Vg.insertStyleElement=ss();Qr()(Mg.Z,Vg);Mg.Z&&Mg.Z.locals&&Mg.Z.locals;class Lg extends pe{static get pluginName(){return"DragDrop"}static get requires(){return[Og,tg]}init(){const t=this.editor,e=t.editing.view;this._draggedRange=null,this._draggingUid="",this._draggableElement=null,this._updateDropMarkerThrottled=tm((t=>this._updateDropMarker(t)),40),this._removeDropMarkerDelayed=Wg((()=>this._removeDropMarker()),40),this._clearDraggableAttributesDelayed=Wg((()=>this._clearDraggableAttributes()),40),e.addObserver(zg),e.addObserver(hp),this._setupDragging(),this._setupContentInsertionIntegration(),this._setupClipboardInputIntegration(),this._setupDropMarker(),this._setupDraggableAttributeHandling(),this.listenTo(t,"change:isReadOnly",((t,e,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})),this.on("change:isEnabled",((t,e,n)=>{n||this._finalizeDragging(!1)})),ar.isAndroid&&this.forceDisabled("noAndroidSupport")}destroy(){return this._draggedRange&&(this._draggedRange.detach(),this._draggedRange=null),this._updateDropMarkerThrottled.cancel(),this._removeDropMarkerDelayed.cancel(),this._clearDraggableAttributesDelayed.cancel(),super.destroy()}_setupDragging(){const t=this.editor,e=t.model,n=e.document,o=t.editing.view,r=o.document;this.listenTo(r,"dragstart",((o,s)=>{const a=n.selection;if(s.target&&s.target.is("editableElement"))return void s.preventDefault();const c=s.target?jg(s.target):null;if(c){const n=t.editing.mapper.toModelElement(c);this._draggedRange=gc.fromRange(e.createRangeOn(n)),t.plugins.has("WidgetToolbarRepository")&&t.plugins.get("WidgetToolbarRepository").forceDisabled("dragDrop")}else if(!r.selection.isCollapsed){const t=r.selection.getSelectedElement();t&&hm(t)||(this._draggedRange=gc.fromRange(a.getFirstRange()))}if(!this._draggedRange)return void s.preventDefault();this._draggingUid=i(),s.dataTransfer.effectAllowed=this.isEnabled?"copyMove":"copy",s.dataTransfer.setData("application/ckeditor5-dragging-uid",this._draggingUid);const l=e.createSelection(this._draggedRange.toRange()),d=t.data.toView(e.getSelectedContent(l));r.fire("clipboardOutput",{dataTransfer:s.dataTransfer,content:d,method:o.name}),this.isEnabled||(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid="")}),{priority:"low"}),this.listenTo(r,"dragend",((t,e)=>{this._finalizeDragging(!e.dataTransfer.isCanceled&&"move"==e.dataTransfer.dropEffect)}),{priority:"low"}),this.listenTo(r,"dragenter",(()=>{this.isEnabled&&o.focus()})),this.listenTo(r,"dragleave",(()=>{this._removeDropMarkerDelayed()})),this.listenTo(r,"dragging",((e,n)=>{if(!this.isEnabled)return void(n.dataTransfer.dropEffect="none");this._removeDropMarkerDelayed.cancel();const o=Hg(t,n.targetRanges,n.target);this._draggedRange||(n.dataTransfer.dropEffect="copy"),ar.isGecko||("copy"==n.dataTransfer.effectAllowed?n.dataTransfer.dropEffect="copy":["all","copyMove"].includes(n.dataTransfer.effectAllowed)&&(n.dataTransfer.dropEffect="move")),o&&this._updateDropMarkerThrottled(o)}),{priority:"low"})}_setupClipboardInputIntegration(){const t=this.editor,e=t.editing.view.document;this.listenTo(e,"clipboardInput",((e,n)=>{if("drop"!=n.method)return;const o=Hg(t,n.targetRanges,n.target);if(this._removeDropMarker(),!o)return this._finalizeDragging(!1),void e.stop();this._draggedRange&&this._draggingUid!=n.dataTransfer.getData("application/ckeditor5-dragging-uid")&&(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid="");if("move"==qg(n.dataTransfer)&&this._draggedRange&&this._draggedRange.containsRange(o,!0))return this._finalizeDragging(!1),void e.stop();n.targetRanges=[t.editing.mapper.toViewRange(o)]}),{priority:"high"})}_setupContentInsertionIntegration(){const t=this.editor.plugins.get(Og);t.on("contentInsertion",((t,e)=>{if(!this.isEnabled||"drop"!==e.method)return;const n=e.targetRanges.map((t=>this.editor.editing.mapper.toModelRange(t)));this.editor.model.change((t=>t.setSelection(n)))}),{priority:"high"}),t.on("contentInsertion",((t,e)=>{if(!this.isEnabled||"drop"!==e.method)return;const n="move"==qg(e.dataTransfer),o=!e.resultRange||!e.resultRange.isCollapsed;this._finalizeDragging(o&&n)}),{priority:"lowest"})}_setupDraggableAttributeHandling(){const t=this.editor,e=t.editing.view,n=e.document;this.listenTo(n,"mousedown",((o,i)=>{if(ar.isAndroid||!i)return;this._clearDraggableAttributesDelayed.cancel();let r=jg(i.target);if(ar.isBlink&&!t.isReadOnly&&!r&&!n.selection.isCollapsed){const t=n.selection.getSelectedElement();t&&hm(t)||(r=n.selection.editableElement)}r&&(e.change((t=>{t.setAttribute("draggable","true",r)})),this._draggableElement=t.editing.mapper.toModelElement(r))})),this.listenTo(n,"mouseup",(()=>{ar.isAndroid||this._clearDraggableAttributesDelayed()}))}_clearDraggableAttributes(){const t=this.editor.editing;t.view.change((e=>{this._draggableElement&&"$graveyard"!=this._draggableElement.root.rootName&&e.removeAttribute("draggable",t.mapper.toViewElement(this._draggableElement)),this._draggableElement=null}))}_setupDropMarker(){const t=this.editor;t.conversion.for("editingDowncast").markerToHighlight({model:"drop-target",view:{classes:["ck-clipboard-drop-target-range"]}}),t.conversion.for("editingDowncast").markerToElement({model:"drop-target",view:(e,{writer:n})=>{if(t.model.schema.checkChild(e.markerRange.start,"$text"))return n.createUIElement("span",{class:"ck ck-clipboard-drop-target-position"},(function(t){const e=this.toDomElement(t);return e.innerHTML="&NoBreak;<span></span>&NoBreak;",e}))}})}_updateDropMarker(t){const e=this.editor,n=e.model.markers;e.model.change((e=>{n.has("drop-target")?n.get("drop-target").getRange().isEqual(t)||e.updateMarker("drop-target",{range:t}):e.addMarker("drop-target",{range:t,usingOperation:!1,affectsData:!1})}))}_removeDropMarker(){const t=this.editor.model;this._removeDropMarkerDelayed.cancel(),this._updateDropMarkerThrottled.cancel(),t.markers.has("drop-target")&&t.change((t=>{t.removeMarker("drop-target")}))}_finalizeDragging(t){const e=this.editor,n=e.model;this._removeDropMarker(),this._clearDraggableAttributes(),e.plugins.has("WidgetToolbarRepository")&&e.plugins.get("WidgetToolbarRepository").clearForceDisabled("dragDrop"),this._draggingUid="",this._draggedRange&&(t&&this.isEnabled&&n.deleteContent(n.createSelection(this._draggedRange),{doNotAutoparagraph:!0}),this._draggedRange.detach(),this._draggedRange=null)}}function Hg(t,e,n){const o=t.model,i=t.editing.mapper;let r=null;const s=e?e[0].start:null;if(n.is("uiElement")&&(n=n.parent),r=function(t,e){const n=t.model,o=t.editing.mapper;if(hm(e))return n.createRangeOn(o.toModelElement(e));if(!e.is("editableElement")){const t=e.findAncestor((t=>hm(t)||t.is("editableElement")));if(hm(t))return n.createRangeOn(o.toModelElement(t))}return null}(t,n),r)return r;const a=function(t,e){const n=t.editing.mapper,o=t.editing.view,i=n.toModelElement(e);if(i)return i;const r=o.createPositionBefore(e),s=n.findMappedViewAncestor(r);return n.toModelElement(s)}(t,n),c=s?i.toModelPosition(s):null;return c?(r=function(t,e,n){const o=t.model;if(!o.schema.checkChild(n,"$block"))return null;const i=o.createPositionAt(n,0),r=e.path.slice(0,i.path.length),s=o.createPositionFromPath(e.root,r).nodeAfter;if(s&&o.schema.isObject(s))return o.createRangeOn(s);return null}(t,c,a),r||(r=o.schema.getNearestSelectionRange(c,ar.isGecko?"forward":"backward"),r||function(t,e){const n=t.model;for(;e;){if(n.schema.isObject(e))return n.createRangeOn(e);e=e.parent}}(t,c.parent))):function(t,e){const n=t.model,o=n.schema,i=n.createPositionAt(e,0);return o.getNearestSelectionRange(i,"forward")}(t,a)}function qg(t){return ar.isGecko?t.dropEffect:["all","copyMove"].includes(t.effectAllowed)?"move":"copy"}function Wg(t,e){let n;function o(...i){o.cancel(),n=setTimeout((()=>t(...i)),e)}return o.cancel=()=>{clearTimeout(n)},o}function jg(t){if(t.is("editableElement"))return null;if(t.hasClass("ck-widget__selection-handle"))return t.findAncestor(hm);if(hm(t))return t;const e=t.findAncestor((t=>hm(t)||t.is("editableElement")));return hm(e)?e:null}class Ug extends pe{static get pluginName(){return"PastePlainText"}static get requires(){return[Og]}init(){const t=this.editor,e=t.model,n=t.editing.view,o=n.document,i=e.document.selection;let r=!1;n.addObserver(zg),this.listenTo(o,"keydown",((t,e)=>{r=e.shiftKey})),t.plugins.get(Og).on("contentInsertion",((t,n)=>{(r||function(t,e){if(t.childCount>1)return!1;const n=t.getChild(0);if(e.isObject(n))return!1;return 0==[...n.getAttributeKeys()].length}(n.content,e.schema))&&e.change((t=>{const o=Array.from(i.getAttributes()).filter((([t])=>e.schema.getAttributeProperties(t).isFormatting));i.isCollapsed||e.deleteContent(i,{doNotAutoparagraph:!0}),o.push(...i.getAttributes());const r=t.createRangeIn(n.content);for(const e of r.getItems())e.is("$textProxy")&&t.setAttributes(o,e)}))}))}}class $g extends pe{static get pluginName(){return"Clipboard"}static get requires(){return[Og,Lg,Ug]}}class Gg extends pe{static get requires(){return[Vh]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",(e=>{(function(t){const e=t.getSelectedElement();return!(!e||!hm(e))})(t.editing.view.document.selection)&&e.stop()}),{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",(()=>{this._updateToolbarsVisibility()})),this.listenTo(t.ui,"update",(()=>{this._updateToolbarsVisibility()})),this.listenTo(t.ui.focusTracker,"change:isFocused",(()=>{this._updateToolbarsVisibility()}),{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{ariaLabel:e,items:n,getRelatedElement:o,balloonClassName:i="ck-toolbar-container"}){if(!n.length)return void a("widget-toolbar-no-items",{toolbarId:t});const r=this.editor,c=r.t,l=new Wu(r.locale);if(l.ariaLabel=e||c("Widget toolbar"),this._toolbarDefinitions.has(t))throw new s("widget-toolbar-duplicated",this,{toolbarId:t});l.fillFromConfig(n,r.ui.componentFactory),this._toolbarDefinitions.set(t,{view:l,getRelatedElement:o,balloonClassName:i})}_updateToolbarsVisibility(){let t=0,e=null,n=null;for(const o of this._toolbarDefinitions.values()){const i=o.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&i)if(this.editor.ui.focusTracker.isFocused){const r=i.getAncestors().length;r>t&&(t=r,e=i,n=o)}else this._isToolbarVisible(o)&&this._hideToolbar(o);else this._isToolbarInBalloon(o)&&this._hideToolbar(o)}n&&this._showToolbar(n,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?Kg(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:Zg(this.editor,e),balloonClassName:t.balloonClassName}),this.listenTo(this._balloon,"change:visibleView",(()=>{for(const t of this._toolbarDefinitions.values())if(this._isToolbarVisible(t)){const e=t.getRelatedElement(this.editor.editing.view.document.selection);Kg(this.editor,e)}})))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Kg(t,e){const n=t.plugins.get("ContextualBalloon"),o=Zg(t,e);n.updatePosition(o)}function Zg(t,e){const n=t.editing.view,o=Ih.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[o.northArrowSouth,o.northArrowSouthWest,o.northArrowSouthEast,o.southArrowNorth,o.southArrowNorthWest,o.southArrowNorthEast,o.viewportStickyNorth]}}class Jg{constructor(t){this.set("activeHandlePosition",null),this.set("proposedWidthPercents",null),this.set("proposedWidth",null),this.set("proposedHeight",null),this.set("proposedHandleHostWidth",null),this.set("proposedHandleHostHeight",null),this._options=t,this._referenceCoordinates=null}begin(t,e,n){const o=new ya(e);this.activeHandlePosition=function(t){const e=["top-left","top-right","bottom-right","bottom-left"];for(const n of e)if(t.classList.contains(Yg(n)))return n}(t),this._referenceCoordinates=function(t,e){const n=new ya(t),o=e.split("-"),i={x:"right"==o[1]?n.right:n.left,y:"bottom"==o[0]?n.bottom:n.top};return i.x+=t.ownerDocument.defaultView.scrollX,i.y+=t.ownerDocument.defaultView.scrollY,i}(e,function(t){const e=t.split("-"),n={top:"bottom",bottom:"top",left:"right",right:"left"};return`${n[e[0]]}-${n[e[1]]}`}(this.activeHandlePosition)),this.originalWidth=o.width,this.originalHeight=o.height,this.aspectRatio=o.width/o.height;const i=n.style.width;i&&i.match(/^\d+(\.\d*)?%$/)?this.originalWidthPercents=parseFloat(i):this.originalWidthPercents=function(t,e){const n=t.parentElement,o=parseFloat(n.ownerDocument.defaultView.getComputedStyle(n).width);return e.width/o*100}(n,o)}update(t){this.proposedWidth=t.width,this.proposedHeight=t.height,this.proposedWidthPercents=t.widthPercents,this.proposedHandleHostWidth=t.handleHostWidth,this.proposedHandleHostHeight=t.handleHostHeight}}function Yg(t){return`ck-widget__resizer__handle-${t}`}he(Jg,se);class Qg extends Od{constructor(){super();const t=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-size-view",t.to("_viewPosition",(t=>t?`ck-orientation-${t}`:""))],style:{display:t.if("_isVisible","none",(t=>!t))}},children:[{text:t.to("_label")}]})}_bindToState(t,e){this.bind("_isVisible").to(e,"proposedWidth",e,"proposedHeight",((t,e)=>null!==t&&null!==e)),this.bind("_label").to(e,"proposedHandleHostWidth",e,"proposedHandleHostHeight",e,"proposedWidthPercents",((e,n,o)=>"px"===t.unit?`${e}×${n}`:`${o}%`)),this.bind("_viewPosition").to(e,"activeHandlePosition",e,"proposedHandleHostWidth",e,"proposedHandleHostHeight",((t,e,n)=>e<50||n<50?"above-center":t))}_dismiss(){this.unbind(),this._isVisible=!1}}class Xg{constructor(t){this._options=t,this._viewResizerWrapper=null,this.set("isEnabled",!0),this.decorate("begin"),this.decorate("cancel"),this.decorate("commit"),this.decorate("updateSize"),this.on("commit",(t=>{this.state.proposedWidth||this.state.proposedWidthPercents||(this._cleanup(),t.stop())}),{priority:"high"}),this.on("change:isEnabled",(()=>{this.isEnabled&&this.redraw()}))}attach(){const t=this,e=this._options.viewElement;this._options.editor.editing.view.change((n=>{const o=n.createUIElement("div",{class:"ck ck-reset_all ck-widget__resizer"},(function(e){const n=this.toDomElement(e);return t._appendHandles(n),t._appendSizeUI(n),t.on("change:isEnabled",((t,e,o)=>{n.style.display=o?"":"none"})),n.style.display=t.isEnabled?"":"none",n}));n.insert(n.createPositionAt(e,"end"),o),n.addClass("ck-widget_with-resizer",e),this._viewResizerWrapper=o}))}begin(t){this.state=new Jg(this._options),this._sizeView._bindToState(this._options,this.state),this._initialViewWidth=this._options.viewElement.getStyle("width"),this.state.begin(t,this._getHandleHost(),this._getResizeHost())}updateSize(t){const e=this._proposeNewSize(t);this._options.editor.editing.view.change((t=>{const n=this._options.unit||"%",o=("%"===n?e.widthPercents:e.width)+n;t.setStyle("width",o,this._options.viewElement)}));const n=this._getHandleHost(),o=new ya(n);e.handleHostWidth=Math.round(o.width),e.handleHostHeight=Math.round(o.height);const i=new ya(n);e.width=Math.round(i.width),e.height=Math.round(i.height),this.redraw(o),this.state.update(e)}commit(){const t=this._options.unit||"%",e=("%"===t?this.state.proposedWidthPercents:this.state.proposedWidth)+t;this._options.editor.editing.view.change((()=>{this._cleanup(),this._options.onCommit(e)}))}cancel(){this._cleanup()}destroy(){this.cancel()}redraw(t){const e=this._domResizerWrapper;if(!((n=e)&&n.ownerDocument&&n.ownerDocument.contains(n)))return;var n;const o=e.parentElement,i=this._getHandleHost(),r=this._viewResizerWrapper,s=[r.getStyle("width"),r.getStyle("height"),r.getStyle("left"),r.getStyle("top")];let a;if(o.isSameNode(i)){const e=t||new ya(i);a=[e.width+"px",e.height+"px",void 0,void 0]}else a=[i.offsetWidth+"px",i.offsetHeight+"px",i.offsetLeft+"px",i.offsetTop+"px"];"same"!==Oo(s,a)&&this._options.editor.editing.view.change((t=>{t.setStyle({width:a[0],height:a[1],left:a[2],top:a[3]},r)}))}containsHandle(t){return this._domResizerWrapper.contains(t)}static isResizeHandle(t){return t.classList.contains("ck-widget__resizer__handle")}_cleanup(){this._sizeView._dismiss();this._options.editor.editing.view.change((t=>{t.setStyle("width",this._initialViewWidth,this._options.viewElement)}))}_proposeNewSize(t){const e=this.state,n={x:(o=t).pageX,y:o.pageY};var o;const i=!this._options.isCentered||this._options.isCentered(this),r={x:e._referenceCoordinates.x-(n.x+e.originalWidth),y:n.y-e.originalHeight-e._referenceCoordinates.y};i&&e.activeHandlePosition.endsWith("-right")&&(r.x=n.x-(e._referenceCoordinates.x+e.originalWidth)),i&&(r.x*=2);const s={width:Math.abs(e.originalWidth+r.x),height:Math.abs(e.originalHeight+r.y)};s.dominant=s.width/e.aspectRatio>s.height?"width":"height",s.max=s[s.dominant];const a={width:s.width,height:s.height};return"width"==s.dominant?a.height=a.width/e.aspectRatio:a.width=a.height*e.aspectRatio,{width:Math.round(a.width),height:Math.round(a.height),widthPercents:Math.min(Math.round(e.originalWidthPercents/e.originalWidth*a.width*100)/100,100)}}_getResizeHost(){const t=this._domResizerWrapper.parentElement;return this._options.getResizeHost(t)}_getHandleHost(){const t=this._domResizerWrapper.parentElement;return this._options.getHandleHost(t)}get _domResizerWrapper(){return this._options.editor.editing.view.domConverter.mapViewToDom(this._viewResizerWrapper)}_appendHandles(t){const e=["top-left","top-right","bottom-right","bottom-left"];for(const o of e)t.appendChild(new Md({tag:"div",attributes:{class:"ck-widget__resizer__handle "+(n=o,`ck-widget__resizer__handle-${n}`)}}).render());var n}_appendSizeUI(t){this._sizeView=new Qg,this._sizeView.render(),t.appendChild(this._sizeView.element)}}he(Xg,se);var tf=n(2263),ef={attributes:{"data-cke":!0}};ef.setAttributes=is(),ef.insert=ns().bind(null,"head"),ef.domAPI=ts(),ef.insertStyleElement=ss();Qr()(tf.Z,ef);tf.Z&&tf.Z.locals&&tf.Z.locals;class nf extends pe{static get pluginName(){return"WidgetResize"}init(){const t=this.editor.editing,e=ps.window.document;this.set("visibleResizer",null),this.set("_activeResizer",null),this._resizers=new Map,t.view.addObserver(hp),this._observer=Object.create(Es),this.listenTo(t.view.document,"mousedown",this._mouseDownListener.bind(this),{priority:"high"}),this._observer.listenTo(e,"mousemove",this._mouseMoveListener.bind(this)),this._observer.listenTo(e,"mouseup",this._mouseUpListener.bind(this));const n=()=>{this.visibleResizer&&this.visibleResizer.redraw()};this._redrawFocusedResizerThrottled=tm(n,200),this.on("change:visibleResizer",n),this.editor.ui.on("update",this._redrawFocusedResizerThrottled),this.editor.model.document.on("change",(()=>{for(const[t,e]of this._resizers)t.isAttached()||(this._resizers.delete(t),e.destroy())}),{priority:"lowest"}),this._observer.listenTo(ps.window,"resize",this._redrawFocusedResizerThrottled);const o=this.editor.editing.view.document.selection;o.on("change",(()=>{const t=o.getSelectedElement();this.visibleResizer=this.getResizerByViewElement(t)||null}))}destroy(){this._observer.stopListening();for(const t of this._resizers.values())t.destroy();this._redrawFocusedResizerThrottled.cancel()}attachTo(t){const e=new Xg(t),n=this.editor.plugins;if(e.attach(),n.has("WidgetToolbarRepository")){const t=n.get("WidgetToolbarRepository");e.on("begin",(()=>{t.forceDisabled("resize")}),{priority:"lowest"}),e.on("cancel",(()=>{t.clearForceDisabled("resize")}),{priority:"highest"}),e.on("commit",(()=>{t.clearForceDisabled("resize")}),{priority:"highest"})}this._resizers.set(t.viewElement,e);const o=this.editor.editing.view.document.selection.getSelectedElement();return this.getResizerByViewElement(o)==e&&(this.visibleResizer=e),e}getResizerByViewElement(t){return this._resizers.get(t)}_getResizerByHandle(t){for(const e of this._resizers.values())if(e.containsHandle(t))return e}_mouseDownListener(t,e){const n=e.domTarget;Xg.isResizeHandle(n)&&(this._activeResizer=this._getResizerByHandle(n),this._activeResizer&&(this._activeResizer.begin(n),t.stop(),e.preventDefault()))}_mouseMoveListener(t,e){this._activeResizer&&this._activeResizer.updateSize(e)}_mouseUpListener(){this._activeResizer&&(this._activeResizer.commit(),this._activeResizer=null)}}function of(t,e){const n=t.createEmptyElement("img"),o="imageBlock"===e?t.createContainerElement("figure",{class:"image"}):t.createContainerElement("span",{class:"image-inline"},{isAllowedInsideAttributeElement:!0});return t.insert(t.createPositionAt(o,0),n),o}function rf(t,e){if(t.plugins.has("ImageInlineEditing")!==t.plugins.has("ImageBlockEditing"))return{name:"img"};const n=t.plugins.get("ImageUtils");return t=>{if(!n.isInlineImageView(t))return null;return(t.findAncestor(n.isBlockImageView)?"imageBlock":"imageInline")!==e?null:{name:!0}}}function sf(t,e){const n=Ta(e.getSelectedBlocks());return!n||t.isObject(n)||n.isEmpty&&"listItem"!=n.name?"imageBlock":"imageInline"}he(nf,se);class af extends pe{static get pluginName(){return"ImageUtils"}isImage(t){return this.isInlineImage(t)||this.isBlockImage(t)}isInlineImageView(t){return!!t&&t.is("element","img")}isBlockImageView(t){return!!t&&t.is("element","figure")&&t.hasClass("image")}insertImage(t={},e=null,n=null){const o=this.editor,i=o.model,r=i.document.selection;n=cf(o,e||r,n),t={...Object.fromEntries(r.getAttributes()),...t};for(const e in t)i.schema.checkAttribute(n,e)||delete t[e];return i.change((o=>{const s=o.createElement(n,t);return e||"imageInline"==n||(e=wm(r,i)),i.insertContent(s,e),s.parent?(o.setSelection(s,"on"),s):null}))}getClosestSelectedImageWidget(t){const e=t.getSelectedElement();if(e&&this.isImageWidget(e))return e;let n=t.getFirstPosition().parent;for(;n;){if(n.is("element")&&this.isImageWidget(n))return n;n=n.parent}return null}getClosestSelectedImageElement(t){const e=t.getSelectedElement();return this.isImage(e)?e:t.getFirstPosition().findAncestor("imageBlock")}isImageAllowed(){const t=this.editor.model.document.selection;return function(t,e){if("imageBlock"==cf(t,e)){const n=function(t,e){const n=wm(t,e).start.parent;if(n.isEmpty&&!n.is("element","$root"))return n.parent;return n}(e,t.model);if(t.model.schema.checkChild(n,"imageBlock"))return!0}else if(t.model.schema.checkChild(e.focus,"imageInline"))return!0;return!1}(this.editor,t)&&function(t){return[...t.focus.getAncestors()].every((t=>!t.is("element","imageBlock")))}(t)}toImageWidget(t,e,n){e.setCustomProperty("image",!0,t);return pm(t,e,{label:()=>{const e=this.findViewImgElement(t).getAttribute("alt");return e?`${e} ${n}`:n}})}isImageWidget(t){return!!t.getCustomProperty("image")&&hm(t)}isBlockImage(t){return!!t&&t.is("element","imageBlock")}isInlineImage(t){return!!t&&t.is("element","imageInline")}findViewImgElement(t){if(this.isInlineImageView(t))return t;const e=this.editor.editing.view;for(const{item:n}of e.createRangeIn(t))if(this.isInlineImageView(n))return n}}function cf(t,e,n){const o=t.model.schema,i=t.config.get("image.insert.type");return t.plugins.has("ImageBlockEditing")?t.plugins.has("ImageInlineEditing")?n||("inline"===i?"imageInline":"block"===i?"imageBlock":e.is("selection")?sf(o,e):o.checkChild(e,"imageInline")?"imageInline":"imageBlock"):"imageBlock":"imageInline"}class lf extends ge{refresh(){const t=this.editor,e=t.plugins.get("ImageUtils"),n=t.model.document.selection.getSelectedElement();this.isEnabled=e.isImageAllowed()||e.isImage(n)}execute(t){const e=To(t.file),n=this.editor.model.document.selection,o=this.editor.plugins.get("ImageUtils"),i=Object.fromEntries(n.getAttributes());e.forEach(((t,e)=>{const r=n.getSelectedElement();if(e&&r&&o.isImage(r)){const e=this.editor.model.createPositionAfter(r);this._uploadImage(t,i,e)}else this._uploadImage(t,i)}))}_uploadImage(t,e,n){const o=this.editor,i=o.plugins.get(hg).createLoader(t),r=o.plugins.get("ImageUtils");i&&r.insertImage({...e,uploadId:i.id},n)}}class df extends pe{static get requires(){return[hg,xh,Og,af]}static get pluginName(){return"ImageUploadEditing"}constructor(t){super(t),t.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}}),this._uploadImageElements=new Map}init(){const t=this.editor,e=t.model.document,n=t.conversion,o=t.plugins.get(hg),i=t.plugins.get("ImageUtils"),r=bg(t.config.get("image.upload.types")),s=new lf(t);t.commands.add("uploadImage",s),t.commands.add("imageUpload",s),n.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",((e,n)=>{if(o=n.dataTransfer,Array.from(o.types).includes("text/html")&&""!==o.getData("text/html"))return;var o;const i=Array.from(n.dataTransfer.files).filter((t=>!!t&&r.test(t.type)));i.length&&(e.stop(),t.model.change((e=>{n.targetRanges&&e.setSelection(n.targetRanges.map((e=>t.editing.mapper.toModelRange(e)))),t.model.enqueueChange((()=>{t.execute("uploadImage",{file:i})}))})))})),this.listenTo(t.plugins.get("ClipboardPipeline"),"inputTransformation",((e,n)=>{const r=Array.from(t.editing.view.createRangeIn(n.content)).filter((t=>function(t,e){return!(!t.isInlineImageView(e)||!e.getAttribute("src"))&&(e.getAttribute("src").match(/^data:image\/\w+;base64,/g)||e.getAttribute("src").match(/^blob:/g))}(i,t.item)&&!t.item.getAttribute("uploadProcessed"))).map((t=>({promise:kg(t.item),imageElement:t.item})));if(!r.length)return;const s=new pp(t.editing.view.document);for(const t of r){s.setAttribute("uploadProcessed",!0,t.imageElement);const e=o.createLoader(t.promise);e&&(s.setAttribute("src","",t.imageElement),s.setAttribute("uploadId",e.id,t.imageElement))}})),t.editing.view.document.on("dragover",((t,e)=>{e.preventDefault()})),e.on("change",(()=>{const n=e.differ.getChanges({includeChangesInGraveyard:!0}).reverse(),i=new Set;for(const e of n)if("insert"==e.type&&"$text"!=e.name){const n=e.position.nodeAfter,r="$graveyard"==e.position.root.rootName;for(const e of uf(t,n)){const t=e.getAttribute("uploadId");if(!t)continue;const n=o.loaders.get(t);n&&(r?i.has(t)||n.abort():(i.add(t),this._uploadImageElements.set(t,e),"idle"==n.status&&this._readAndUpload(n)))}}})),this.on("uploadComplete",((t,{imageElement:e,data:n})=>{const o=n.urls?n.urls:n;this.editor.model.change((t=>{t.setAttribute("src",o.default,e),this._parseAndSetSrcsetAttributeOnImage(o,e,t)}))}),{priority:"low"})}afterInit(){const t=this.editor.model.schema;this.editor.plugins.has("ImageBlockEditing")&&t.extend("imageBlock",{allowAttributes:["uploadId","uploadStatus"]}),this.editor.plugins.has("ImageInlineEditing")&&t.extend("imageInline",{allowAttributes:["uploadId","uploadStatus"]})}_readAndUpload(t){const e=this.editor,n=e.model,o=e.locale.t,i=e.plugins.get(hg),r=e.plugins.get(xh),s=e.plugins.get("ImageUtils"),a=this._uploadImageElements;return n.enqueueChange({isUndoable:!1},(e=>{e.setAttribute("uploadStatus","reading",a.get(t.id))})),t.read().then((()=>{const o=t.upload(),i=a.get(t.id);if(ar.isSafari){const t=e.editing.mapper.toViewElement(i),n=s.findViewImgElement(t);e.editing.view.once("render",(()=>{if(!n.parent)return;const t=e.editing.view.domConverter.mapViewToDom(n.parent);if(!t)return;const o=t.style.display;t.style.display="none",t._ckHack=t.offsetHeight,t.style.display=o}))}return n.enqueueChange({isUndoable:!1},(t=>{t.setAttribute("uploadStatus","uploading",i)})),o})).then((e=>{n.enqueueChange({isUndoable:!1},(n=>{const o=a.get(t.id);n.setAttribute("uploadStatus","complete",o),this.fire("uploadComplete",{data:e,imageElement:o})})),c()})).catch((e=>{if("error"!==t.status&&"aborted"!==t.status)throw e;"error"==t.status&&e&&r.showWarning(e,{title:o("Upload failed"),namespace:"upload"}),n.enqueueChange({isUndoable:!1},(e=>{e.remove(a.get(t.id))})),c()}));function c(){n.enqueueChange({isUndoable:!1},(e=>{const n=a.get(t.id);e.removeAttribute("uploadId",n),e.removeAttribute("uploadStatus",n),a.delete(t.id)})),i.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let o=0;const i=Object.keys(t).filter((t=>{const e=parseInt(t,10);if(!isNaN(e))return o=Math.max(o,e),!0})).map((e=>`${t[e]} ${e}w`)).join(", ");""!=i&&n.setAttribute("srcset",{data:i,width:o},e)}}function uf(t,e){const n=t.plugins.get("ImageUtils");return Array.from(t.model.createRangeOn(e)).filter((t=>n.isImage(t.item))).map((t=>t.item))}class hf extends pe{static get pluginName(){return"ImageUpload"}static get requires(){return[df,_g,Dg]}}const pf=Symbol("isWpButtonMacroSymbol");function mf(t){const e=t.getSelectedElement();return!(!e||!function(t){return!!t.getCustomProperty(pf)&&hm(t)}(e))}class gf extends pe{static get pluginName(){return"OPChildPagesEditing"}static get buttonName(){return"insertChildPages"}init(){const t=this.editor,e=t.model,n=t.conversion;e.schema.register("op-macro-child-pages",{allowWhere:["$block"],allowAttributes:["page"],isBlock:!0,isLimit:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"child_pages"},model:(t,{writer:e})=>{const n=t.getAttribute("data-page")||"",o="true"==t.getAttribute("data-include-parent");return e.createElement("op-macro-child-pages",{page:n,includeParent:o})}}),n.for("editingDowncast").elementToElement({model:"op-macro-child-pages",view:(t,{writer:e})=>this.createMacroViewElement(t,e)}).add((t=>t.on("attribute:page",this.modelAttributeToView.bind(this)))).add((t=>t.on("attribute:includeParent",this.modelAttributeToView.bind(this)))),n.for("dataDowncast").elementToElement({model:"op-macro-child-pages",view:(t,{writer:e})=>e.createContainerElement("macro",{class:"child_pages","data-page":t.getAttribute("page")||"","data-include-parent":t.getAttribute("includeParent")||""})}),t.ui.componentFactory.add(gf.buttonName,(e=>{const n=new pu(e);return n.set({label:window.I18n.t("js.editor.macro.child_pages.button"),withText:!0}),n.on("execute",(()=>{t.model.change((e=>{const n=e.createElement("op-macro-child-pages",{});t.model.insertContent(n,t.model.document.selection)}))})),n}))}modelAttributeToView(t,e,n){const o=e.item;if(!o.is("element","op-macro-child-pages"))return;n.consumable.consume(e.item,t.name);const i=n.mapper.toViewElement(o);n.writer.remove(n.writer.createRangeIn(i)),this.setPlaceholderContent(n.writer,o,i)}macroLabel(){return window.I18n.t("js.editor.macro.child_pages.text")}pageLabel(t){return t&&t.length>0?t:window.I18n.t("js.editor.macro.child_pages.this_page")}includeParentText(t){return t?` (${window.I18n.t("js.editor.macro.child_pages.include_parent")})`:""}createMacroViewElement(t,e){const n=e.createContainerElement("div");return this.setPlaceholderContent(e,t,n),function(t,e,n){return e.setCustomProperty(pf,!0,t),pm(t,e,{label:n})}(n,e,{label:this.macroLabel()})}setPlaceholderContent(t,e,n){const o=e.getAttribute("page"),i=e.getAttribute("includeParent"),r=this.macroLabel(),s=this.pageLabel(o),a=t.createContainerElement("span",{class:"macro-value"});let c=[t.createText(`${r} `)];t.insert(t.createPositionAt(a,0),t.createText(`${s}`)),c.push(a),c.push(t.createText(this.includeParentText(i))),t.insert(t.createPositionAt(n,0),c)}}class ff extends pe{static get requires(){return[Vh]}static get pluginName(){return"OPChildPagesToolbar"}init(){const t=this.editor,e=this.editor.model,n=xm(t);ng(t,"opEditChildPagesMacroButton",(t=>{const o=n.services.macros,i=t.getAttribute("page"),r=t.getAttribute("includeParent"),s=i&&i.length>0?i:"";o.configureChildPages(s,r).then((n=>e.change((e=>{e.setAttribute("page",n.page,t),e.setAttribute("includeParent",n.includeParent,t)}))))}))}afterInit(){ig(this,this.editor,"OPChildPages",mf)}}class bf extends ge{execute(){const t=this.editor.model,e=t.document;t.change((n=>{!function(t,e,n){const o=n.isCollapsed,i=n.getFirstRange(),r=i.start.parent,s=i.end.parent,a=r==s;if(o){const o=Bm(t.schema,n.getAttributes());kf(t,e,i.end),e.removeSelectionAttribute(n.getAttributeKeys()),e.setSelectionAttribute(o)}else{const o=!(i.start.isAtStart&&i.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:o}),a?kf(t,e,n.focus):o&&e.setSelection(s,0)}}(t,n,e.selection),this.fire("afterExecute",{writer:n})}))}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const n=e.anchor;if(!n||!t.checkChild(n,"softBreak"))return!1;const o=e.getFirstRange(),i=o.start.parent,r=o.end.parent;if((wf(i,t)||wf(r,t))&&i!==r)return!1;return!0}(t.schema,e.selection)}}function kf(t,e,n){const o=e.createElement("softBreak");t.insertContent(o,n),e.setSelection(o,"after")}function wf(t,e){return!t.is("rootElement")&&(e.isLimit(t)||wf(t.parent,e))}class _f extends pe{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,n=t.conversion,o=t.editing.view,i=o.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(t,{writer:e})=>e.createEmptyElement("br")}),o.addObserver(Im),t.commands.add("shiftEnter",new bf(t)),this.listenTo(i,"enter",((e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),o.scrollToTheSelection())}),{priority:"low"})}}class Cf extends ge{constructor(t){super(t),this.affectsData=!1}execute(){const t=this.editor.model,e=t.document.selection;let n=t.schema.getLimitElement(e);if(e.containsEntireContent(n)||!Af(t.schema,n))do{if(n=n.parent,!n)return}while(!Af(t.schema,n));t.change((t=>{t.setSelection(n,"in")}))}}function Af(t,e){return t.isLimit(e)&&(t.checkChild(e,"$text")||t.checkChild(e,"paragraph"))}const vf=mr("Ctrl+A");class yf extends pe{static get pluginName(){return"SelectAllEditing"}init(){const t=this.editor,e=t.editing.view.document;t.commands.add("selectAll",new Cf(t)),this.listenTo(e,"keydown",((e,n)=>{pr(n)===vf&&(t.execute("selectAll"),n.preventDefault())}))}}class xf extends pe{static get pluginName(){return"SelectAllUI"}init(){const t=this.editor;t.ui.componentFactory.add("selectAll",(e=>{const n=t.commands.get("selectAll"),o=new pu(e),i=e.t;return o.set({label:i("Select all"),icon:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z"/></svg>',keystroke:"Ctrl+A",tooltip:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute("selectAll"),t.editing.view.focus()})),o}))}}class Ef extends pe{static get requires(){return[yf,xf]}static get pluginName(){return"SelectAll"}}class Df extends ge{constructor(t,e){super(t),this._buffer=new zm(t.model,e)}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,n=e.document,o=t.text||"",i=o.length,r=t.range?e.createSelection(t.range):n.selection,s=t.resultRange;e.enqueueChange(this._buffer.batch,(t=>{this._buffer.lock(),e.deleteContent(r),o&&e.insertContent(t.createText(o,n.selection.getAttributes()),r),s?t.setSelection(s):r.is("documentSelection")||t.setSelection(r),this._buffer.unlock(),this._buffer.input(i)}))}}class Sf{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(function(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!Nm(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const n of t)this._handleTextMutation(n,e),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(t,e){const n=function(t){const e=t.map((t=>t.node)).reduce(((t,e)=>t.getCommonAncestor(e,{includeSelf:!0})));if(!e)return;return e.getAncestors({includeSelf:!0,parentFirst:!0}).find((t=>t.is("containerElement")||t.is("rootElement")))}(t);if(!n)return;const o=this.editor.editing.view.domConverter.mapViewToDom(n),i=new Cs(this.editor.editing.view.document),r=this.editor.data.toModel(i.domToView(o)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],d=c[c.length-1],u=l&&l.is("element","softBreak"),h=d&&!d.is("element","softBreak");u&&h&&a.pop();const p=this.editor.model.schema;if(!Bf(a,p)||!Bf(c,p))return;const m=a.map((t=>t.is("$text")?t.data:"@")).join("").replace(/\u00A0/g," "),g=c.map((t=>t.is("$text")?t.data:"@")).join("").replace(/\u00A0/g," ");if(g===m)return;const f=$r(g,m),{firstChangeAt:b,insertions:k,deletions:w}=Tf(f);let _=null;e&&(_=this.editing.mapper.toModelRange(e.getFirstRange()));const C=m.substr(b,k),A=this.editor.model.createRange(this.editor.model.createPositionAt(s,b),this.editor.model.createPositionAt(s,b+w));this.editor.execute("input",{text:C,range:A,resultRange:_})}_handleTextMutation(t,e){if("text"!=t.type)return;const n=t.newText.replace(/\u00A0/g," "),o=t.oldText.replace(/\u00A0/g," ");if(o===n)return;const i=$r(o,n),{firstChangeAt:r,insertions:s,deletions:a}=Tf(i);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,r),d=this.editing.mapper.toModelPosition(l),u=this.editor.model.createRange(d,d.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:u,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=Nm(t),n=this.editing.view.createPositionAt(t.node,e.index),o=this.editing.mapper.toModelPosition(n),i=e.values[0].data;this.editor.execute("input",{text:i.replace(/\u00A0/g," "),range:this.editor.model.createRange(o)})}}function Bf(t,e){return t.every((t=>e.isInline(t)))}function Tf(t){let e=null,n=null;for(let o=0;o<t.length;o++){"equal"!=t[o]&&(e=null===e?o:e,n=o)}let o=0,i=0;for(let r=e;r<=n;r++)"insert"!=t[r]&&o++,"delete"!=t[r]&&i++;return{insertions:i,deletions:o,firstChangeAt:e}}class Pf extends pe{static get pluginName(){return"Input"}init(){const t=this.editor,e=new Df(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),function(t){let e=null;const n=t.model,o=t.editing.view,i=t.commands.get("input");function r(t){if(ar.isWindows&&Mm(t,o.document))return;const r=n.document,a=o.document.isComposing,c=e&&e.isEqual(r.selection);e=null,i.isEnabled&&(qm(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||s())}function s(){const t=i.buffer;t.lock();const e=t.batch;n.enqueueChange(e,(()=>{n.deleteContent(n.document.selection)})),t.unlock()}ar.isAndroid?o.document.on("beforeinput",((t,e)=>r(e)),{priority:"lowest"}):o.document.on("keydown",((t,e)=>r(e)),{priority:"lowest"}),o.document.on("compositionstart",(function(){const t=n.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;t.selection.isCollapsed||e||s()}),{priority:"lowest"}),o.document.on("compositionend",(()=>{e=n.createSelection(n.document.selection)}),{priority:"lowest"})}(t),function(t){t.editing.view.document.on("mutations",((e,n,o)=>{new Sf(t).handle(n,o)}))}(t)}}class If extends pe{static get requires(){return[Pf,Lm]}static get pluginName(){return"Typing"}}function Rf(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce(((t,o)=>o.is("$text")||o.is("$textProxy")?t+o.data:(n=e.createPositionAfter(o),"")),""),range:e.createRange(n,t.end)}}class zf{constructor(t,e){this.model=t,this.testCallback=e,this.hasMatch=!1,this.set("isEnabled",!0),this.on("change:isEnabled",(()=>{this.isEnabled?this._startListening():(this.stopListening(t.document.selection),this.stopListening(t.document))})),this._startListening()}_startListening(){const t=this.model.document;this.listenTo(t.selection,"change:range",((e,{directChange:n})=>{n&&(t.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this.hasMatch=!1))})),this.listenTo(t,"change:data",((t,e)=>{!e.isUndo&&e.isLocal&&this._evaluateTextBeforeSelection("data",{batch:e})}))}_evaluateTextBeforeSelection(t,e={}){const n=this.model,o=n.document.selection,i=n.createRange(n.createPositionAt(o.focus.parent,0),o.focus),{text:r,range:s}=Rf(i,n),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=!!a,a){const n=Object.assign(e,{text:r,range:s});"object"==typeof a&&Object.assign(n,a),this.fire(`matched:${t}`,n)}}}he(zf,se);class Ff extends pe{static get pluginName(){return"TwoStepCaretMovement"}constructor(t){super(t),this.attributes=new Set,this._overrideUid=null}init(){const t=this.editor,e=t.model,n=t.editing.view,o=t.locale,i=e.document.selection;this.listenTo(n.document,"arrowKey",((t,e)=>{if(!i.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==ur.arrowright,r=e.keyCode==ur.arrowleft;if(!n&&!r)return;const s=o.contentLanguageDirection;let a=!1;a="ltr"===s&&n||"rtl"===s&&r?this._handleForwardMovement(e):this._handleBackwardMovement(e),!0===a&&t.stop()}),{context:"$text",priority:"highest"}),this._isNextGravityRestorationSkipped=!1,this.listenTo(i,"change:range",((t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&Vf(i.getFirstPosition(),this.attributes)||this._restoreGravity())}))}registerAttribute(t){this.attributes.add(t)}_handleForwardMovement(t){const e=this.attributes,n=this.editor.model.document.selection,o=n.getFirstPosition();return!this._isGravityOverridden&&((!o.isAtStart||!Nf(n,e))&&(Vf(o,e)?(Mf(t),this._overrideGravity(),!0):void 0))}_handleBackwardMovement(t){const e=this.attributes,n=this.editor.model,o=n.document.selection,i=o.getFirstPosition();return this._isGravityOverridden?(Mf(t),this._restoreGravity(),Of(n,e,i),!0):i.isAtStart?!!Nf(o,e)&&(Mf(t),Of(n,e,i),!0):function(t,e){return Vf(t.getShiftedBy(-1),e)}(i,e)?i.isAtEnd&&!Nf(o,e)&&Vf(i,e)?(Mf(t),Of(n,e,i),!0):(this._isNextGravityRestorationSkipped=!0,this._overrideGravity(),!1):void 0}get _isGravityOverridden(){return!!this._overrideUid}_overrideGravity(){this._overrideUid=this.editor.model.change((t=>t.overrideSelectionGravity()))}_restoreGravity(){this.editor.model.change((t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null}))}}function Nf(t,e){for(const n of e)if(t.hasAttribute(n))return!0;return!1}function Of(t,e,n){const o=n.nodeBefore;t.change((t=>{o?t.setSelectionAttribute(o.getAttributes()):t.removeSelectionAttribute(e)}))}function Mf(t){t.preventDefault()}function Vf(t,e){const{nodeBefore:n,nodeAfter:o}=t;for(const t of e){const e=n?n.getAttribute(t):void 0;if((o?o.getAttribute(t):void 0)!==e)return!0}return!1}Lf('"'),Lf("'"),Lf("'"),Lf('"'),Lf('"'),Lf("'");function Lf(t){return new RegExp(`(^|\\s)(${t})([^${t}]*)(${t})$`)}function Hf(t,e,n,o){return o.createRange(qf(t,e,n,!0,o),qf(t,e,n,!1,o))}function qf(t,e,n,o,i){let r=t.textNode||(o?t.nodeBefore:t.nodeAfter),s=null;for(;r&&r.getAttribute(e)==n;)s=r,r=o?r.previousSibling:r.nextSibling;return s?i.createPositionAt(s,o?"before":"after"):t}function Wf(t,e,n,o){const i=t.editing.view,r=new Set;i.document.registerPostFixer((i=>{const s=t.model.document.selection;let a=!1;if(s.hasAttribute(e)){const c=Hf(s.getFirstPosition(),e,s.getAttribute(e),t.model),l=t.editing.mapper.toViewRange(c);for(const t of l.getItems())t.is("element",n)&&!t.hasClass(o)&&(i.addClass(o,t),r.add(t),a=!0)}return a})),t.conversion.for("editingDowncast").add((t=>{function e(){i.change((t=>{for(const e of r.values())t.removeClass(o,e),r.delete(e)}))}t.on("insert",e,{priority:"highest"}),t.on("remove",e,{priority:"highest"}),t.on("attribute",e,{priority:"highest"}),t.on("selection",e,{priority:"highest"})}))}class jf extends ge{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh(),this.listenTo(t.data,"set",((t,e)=>{e[1]={...e[1]};const n=e[1];n.batchType||(n.batchType={isUndoable:!1})}),{priority:"high"}),this.listenTo(t.data,"set",((t,e)=>{e[1].batchType.isUndoable||this.clearStack()}))}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,n){const o=this.editor.model,i=o.document,r=[],s=t.map((t=>t.getTransformedByOperations(n))),a=s.flat();for(const t of s){const e=t.filter((t=>t.root!=i.graveyard)).filter((t=>!$f(t,a)));e.length&&(Uf(e),r.push(e[0]))}r.length&&o.change((t=>{t.setSelection(r,{backward:e})}))}_undo(t,e){const n=this.editor.model,o=n.document;this._createdBatches.add(e);const i=t.operations.slice().filter((t=>t.isDocumentOperation));i.reverse();for(const t of i){const i=t.baseVersion+1,r=Array.from(o.history.getOperations(i)),s=ip([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const i of s)e.addOperation(i),n.applyOperation(i),o.history.setOperationAsUndone(t,i)}}}function Uf(t){t.sort(((t,e)=>t.start.isBefore(e.start)?-1:1));for(let e=1;e<t.length;e++){const n=t[e-1].getJoined(t[e],!0);n&&(e--,t.splice(e,2,n))}}function $f(t,e){return e.some((e=>e!==t&&e.containsRange(t,!0)))}class Gf extends jf{execute(t=null){const e=t?this._stack.findIndex((e=>e.batch==t)):this._stack.length-1,n=this._stack.splice(e,1)[0],o=this.editor.model.createBatch({isUndo:!0});this.editor.model.enqueueChange(o,(()=>{this._undo(n.batch,o);const t=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t),this.fire("revert",n.batch,o)})),this.refresh()}}class Kf extends jf{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch({isUndo:!0});this.editor.model.enqueueChange(e,(()=>{const n=t.batch.operations[t.batch.operations.length-1].baseVersion+1,o=this.editor.model.document.history.getOperations(n);this._restoreSelection(t.selection.ranges,t.selection.isBackward,o),this._undo(t.batch,e)})),this.refresh()}}class Zf extends pe{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Gf(t),this._redoCommand=new Kf(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",((t,e)=>{const n=e[0];if(!n.isDocumentOperation)return;const o=n.batch,i=this._redoCommand._createdBatches.has(o),r=this._undoCommand._createdBatches.has(o);this._batchRegistry.has(o)||(this._batchRegistry.add(o),o.isUndoable&&(i?this._undoCommand.addBatch(o):r||(this._undoCommand.addBatch(o),this._redoCommand.clearStack())))}),{priority:"highest"}),this.listenTo(this._undoCommand,"revert",((t,e,n)=>{this._redoCommand.addBatch(n)})),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}const Jf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m5.042 9.367 2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',Yf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m14.958 9.367-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';class Qf extends pe{static get pluginName(){return"UndoUI"}init(){const t=this.editor,e=t.locale,n=t.t,o="ltr"==e.uiLanguageDirection?Jf:Yf,i="ltr"==e.uiLanguageDirection?Yf:Jf;this._addButton("undo",n("Undo"),"CTRL+Z",o),this._addButton("redo",n("Redo"),"CTRL+Y",i)}_addButton(t,e,n,o){const i=this.editor;i.ui.componentFactory.add(t,(r=>{const s=i.commands.get(t),a=new pu(r);return a.set({label:e,icon:o,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",(()=>{i.execute(t),i.editing.view.focus()})),a}))}}class Xf extends pe{static get requires(){return[Zf,Qf]}static get pluginName(){return"Undo"}}const tb="ckCsrfToken",eb="abcdefghijklmnopqrstuvwxyz0123456789";function nb(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}(tb);var e,n;return t&&40==t.length||(t=function(t){let e="";const n=new Uint8Array(t);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const o=eb.charAt(n[t]%eb.length);e+=Math.random()>.5?o.toUpperCase():o}return e}(40),e=tb,n=t,document.cookie=encodeURIComponent(e)+"="+encodeURIComponent(n)+";path=/"),t}class ob{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return this.loader.file.then((t=>new Promise(((e,n)=>{this._initRequest(),this._initListeners(e,n,t),this._sendRequest(t)}))))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,n){const o=this.xhr,i=this.loader,r=(0,this.t)("Cannot upload file:")+` ${n.name}.`;o.addEventListener("error",(()=>e(r))),o.addEventListener("abort",(()=>e())),o.addEventListener("load",(()=>{const n=o.response;if(!n||!n.uploaded)return e(n&&n.error&&n.error.message?n.error.message:r);t({default:n.url})})),o.upload&&o.upload.addEventListener("progress",(t=>{t.lengthComputable&&(i.uploadTotal=t.total,i.uploaded=t.loaded)}))}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",nb()),this.xhr.send(e)}}function ib(t,e,n,o){let i,r=null;"function"==typeof o?i=o:(r=t.commands.get(o),i=()=>{t.execute(o)}),t.model.document.on("change:data",((s,a)=>{if(r&&!r.isEnabled||!e.isEnabled)return;const c=Ta(t.model.document.selection.getRanges());if(!c.isCollapsed)return;if(a.isUndo||!a.isLocal)return;const l=Array.from(t.model.document.differ.getChanges()),d=l[0];if(1!=l.length||"insert"!==d.type||"$text"!=d.name||1!=d.length)return;const u=d.position.parent;if(u.is("element","codeBlock"))return;if(u.is("element","listItem")&&"function"!=typeof o&&!["numberedList","bulletedList","todoList"].includes(o))return;if(r&&!0===r.value)return;const h=u.getChild(0),p=t.model.createRangeOn(h);if(!p.containsRange(c)&&!c.end.isEqual(p.end))return;const m=n.exec(h.data.substr(0,c.end.offset));m&&t.model.enqueueChange((e=>{const n=e.createPositionAt(u,0),o=e.createPositionAt(u,m[0].length),r=new gc(n,o);if(!1!==i({match:m})){e.remove(r);const n=t.model.document.selection.getFirstRange(),o=e.createRangeIn(u);!u.isEmpty||o.isEqual(n)||o.containsRange(n,!0)||e.remove(u)}r.detach(),t.model.enqueueChange((()=>{t.plugins.get("Delete").requestUndoOnBackspace()}))}))}))}function rb(t,e,n,o){let i,r;n instanceof RegExp?i=n:r=n,r=r||(t=>{let e;const n=[],o=[];for(;null!==(e=i.exec(t))&&!(e&&e.length<4);){let{index:t,1:i,2:r,3:s}=e;const a=i+r+s;t+=e[0].length-a.length;const c=[t,t+i.length],l=[t+i.length+r.length,t+i.length+r.length+s.length];n.push(c),n.push(l),o.push([t+i.length,t+i.length+r.length])}return{remove:n,format:o}}),t.model.document.on("change:data",((n,i)=>{if(i.isUndo||!i.isLocal||!e.isEnabled)return;const s=t.model,a=s.document.selection;if(!a.isCollapsed)return;const c=Array.from(s.document.differ.getChanges()),l=c[0];if(1!=c.length||"insert"!==l.type||"$text"!=l.name||1!=l.length)return;const d=a.focus,u=d.parent,{text:h,range:p}=function(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce(((t,o)=>!o.is("$text")&&!o.is("$textProxy")||o.getAttribute("code")?(n=e.createPositionAfter(o),""):t+o.data),""),range:e.createRange(n,t.end)}}(s.createRange(s.createPositionAt(u,0),d),s),m=r(h),g=sb(p.start,m.format,s),f=sb(p.start,m.remove,s);g.length&&f.length&&s.enqueueChange((e=>{if(!1!==o(e,g)){for(const t of f.reverse())e.remove(t);s.enqueueChange((()=>{t.plugins.get("Delete").requestUndoOnBackspace()}))}}))}))}function sb(t,e,n){return e.filter((t=>void 0!==t[0]&&void 0!==t[1])).map((e=>n.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1]))))}function ab(t,e){return(n,o)=>{if(!t.commands.get(e).isEnabled)return!1;const i=t.model.schema.getValidRanges(o,e);for(const t of i)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}class cb extends ge{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=void 0===t.forceValue?!this.value:t.forceValue;e.change((t=>{if(n.isCollapsed)o?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const i=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of i)o?t.setAttribute(this.attributeKey,o,e):t.removeAttribute(this.attributeKey,e)}}))}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}const lb="bold";class db extends pe{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:lb}),t.model.schema.setAttributeProperties(lb,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:lb,view:"strong",upcastAlso:["b",t=>{const e=t.getStyle("font-weight");return e?"bold"==e||Number(e)>=600?{name:!0,styles:["font-weight"]}:void 0:null}]}),t.commands.add(lb,new cb(t,lb)),t.keystrokes.set("CTRL+B",lb)}}const ub="bold";class hb extends pe{static get pluginName(){return"BoldUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(ub,(n=>{const o=t.commands.get(ub),i=new pu(n);return i.set({label:e("Bold"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 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t=this.editor;t.model.schema.extend("$text",{allowAttributes:pb}),t.model.schema.setAttributeProperties(pb,{isFormatting:!0,copyOnEnter:!1}),t.conversion.attributeToElement({model:pb,view:"code",upcastAlso:{styles:{"word-wrap":"break-word"}}}),t.commands.add(pb,new cb(t,pb)),t.plugins.get(Ff).registerAttribute(pb),Wf(t,pb,"code","ck-code_selected")}}var gb=n(8180),fb={attributes:{"data-cke":!0}};fb.setAttributes=is(),fb.insert=ns().bind(null,"head"),fb.domAPI=ts(),fb.insertStyleElement=ss();Qr()(gb.Z,fb);gb.Z&&gb.Z.locals&&gb.Z.locals;const bb="code";class kb extends pe{static get pluginName(){return"CodeUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(bb,(n=>{const o=t.commands.get(bb),i=new pu(n);return i.set({label:e("Code"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m12.5 5.7 5.2 3.9v1.3l-5.6 4c-.1.2-.3.2-.5.2-.3-.1-.6-.7-.6-1l.3-.4 4.7-3.5L11.5 7l-.2-.2c-.1-.3-.1-.6 0-.8.2-.2.5-.4.8-.4a.8.8 0 0 1 .4.1zm-5.2 0L2 9.6v1.3l5.6 4c.1.2.3.2.5.2.3-.1.7-.7.6-1 0-.1 0-.3-.2-.4l-5-3.5L8.2 7l.2-.2c.1-.3.1-.6 0-.8-.2-.2-.5-.4-.8-.4a.8.8 0 0 0-.3.1z"/></svg>',tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute(bb),t.editing.view.focus()})),i}))}}const wb="strikethrough";class _b extends pe{static get pluginName(){return"StrikethroughEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:wb}),t.model.schema.setAttributeProperties(wb,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:wb,view:"s",upcastAlso:["del","strike",{styles:{"text-decoration":"line-through"}}]}),t.commands.add(wb,new cb(t,wb)),t.keystrokes.set("CTRL+SHIFT+X","strikethrough")}}const Cb="strikethrough";class Ab extends pe{static get pluginName(){return"StrikethroughUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Cb,(n=>{const o=t.commands.get(Cb),i=new pu(n);return i.set({label:e("Strikethrough"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 16.4c-.8-.4-1.5-.9-2.2-1.5a.6.6 0 0 1-.2-.5l.3-.6h1c1 1.2 2.1 1.7 3.7 1.7 1 0 1.8-.3 2.3-.6.6-.4.6-1.2.6-1.3.2-1.2-.9-2.1-.9-2.1h2.1c.3.7.4 1.2.4 1.7v.8l-.6 1.2c-.6.8-1.1 1-1.6 1.2a6 6 0 0 1-2.4.6c-1 0-1.8-.3-2.5-.6zM6.8 9 6 8.3c-.4-.5-.5-.8-.5-1.6 0-.7.1-1.3.5-1.8.4-.6 1-1 1.6-1.3a6.3 6.3 0 0 1 4.7 0 4 4 0 0 1 1.7 1l.3.7c0 .1.2.4-.2.7-.4.2-.9.1-1 0a3 3 0 0 0-1.2-1c-.4-.2-1-.3-2-.4-.7 0-1.4.2-2 .6-.8.6-1 .8-1 1.5 0 .8.5 1 1.2 1.5.6.4 1.1.7 1.9 1H6.8z"/><path d="M3 10.5V9h14v1.5z"/></svg>',keystroke:"CTRL+SHIFT+X",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute(Cb),t.editing.view.focus()})),i}))}}const vb="italic";class yb extends pe{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:vb}),t.model.schema.setAttributeProperties(vb,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:vb,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add(vb,new cb(t,vb)),t.keystrokes.set("CTRL+I",vb)}}const xb="italic";class Eb extends pe{static get pluginName(){return"ItalicUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(xb,(n=>{const o=t.commands.get(xb),i=new pu(n);return i.set({label:e("Italic"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m9.586 14.633.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute(xb),t.editing.view.focus()})),i}))}}class Db extends ge{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,n=e.schema,o=e.document.selection,i=Array.from(o.getSelectedBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change((t=>{if(r){const e=i.filter((t=>Sb(t)||Tb(n,t)));this._applyQuote(t,e)}else this._removeQuote(t,i.filter(Sb))}))}_getValue(){const t=Ta(this.editor.model.document.selection.getSelectedBlocks());return!(!t||!Sb(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=Ta(t.getSelectedBlocks());return!!n&&Tb(e,n)}_removeQuote(t,e){Bb(t,e).reverse().forEach((e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);return void t.move(e,n)}e.end.isAtEnd||t.split(e.end);const n=t.createPositionAfter(e.end.parent);t.move(e,n)}))}_applyQuote(t,e){const n=[];Bb(t,e).reverse().forEach((e=>{let o=Sb(e.start);o||(o=t.createElement("blockQuote"),t.wrap(e,o)),n.push(o)})),n.reverse().reduce(((e,n)=>e.nextSibling==n?(t.merge(t.createPositionAfter(e)),e):n))}}function Sb(t){return"blockQuote"==t.parent.name?t.parent:null}function Bb(t,e){let n,o=0;const i=[];for(;o<e.length;){const r=e[o],s=e[o+1];n||(n=t.createPositionBefore(r)),s&&r.nextSibling==s||(i.push(t.createRange(n,t.createPositionAfter(r))),n=null),o++}return i}function Tb(t,e){const n=t.checkChild(e.parent,"blockQuote"),o=t.checkChild(["$root","blockQuote"],e);return n&&o}class Pb extends pe{static get pluginName(){return"BlockQuoteEditing"}static get requires(){return[Rm,Lm]}init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new Db(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer((n=>{const o=t.model.document.differ.getChanges();for(const t of o)if("insert"==t.type){const o=t.position.nodeAfter;if(!o)continue;if(o.is("element","blockQuote")&&o.isEmpty)return n.remove(o),!0;if(o.is("element","blockQuote")&&!e.checkChild(t.position,o))return n.unwrap(o),!0;if(o.is("element")){const t=n.createRangeIn(o);for(const o of t.getItems())if(o.is("element","blockQuote")&&!e.checkChild(n.createPositionBefore(o),o))return n.unwrap(o),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("element","blockQuote")&&e.isEmpty)return n.remove(e),!0}return!1}));const n=this.editor.editing.view.document,o=t.model.document.selection,i=t.commands.get("blockQuote");this.listenTo(n,"enter",((e,n)=>{if(!o.isCollapsed||!i.value)return;o.getLastPosition().parent.isEmpty&&(t.execute("blockQuote"),t.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())}),{context:"blockquote"}),this.listenTo(n,"delete",((e,n)=>{if("backward"!=n.direction||!o.isCollapsed||!i.value)return;const r=o.getLastPosition().parent;r.isEmpty&&!r.previousSibling&&(t.execute("blockQuote"),t.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())}),{context:"blockquote"})}}var Ib=n(636),Rb={attributes:{"data-cke":!0}};Rb.setAttributes=is(),Rb.insert=ns().bind(null,"head"),Rb.domAPI=ts(),Rb.insertStyleElement=ss();Qr()(Ib.Z,Rb);Ib.Z&&Ib.Z.locals&&Ib.Z.locals;class zb extends pe{static get pluginName(){return"BlockQuoteUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",(n=>{const o=t.commands.get("blockQuote"),i=new pu(n);return i.set({label:e("Block quote"),icon:Td.quote,tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute("blockQuote"),t.editing.view.focus()})),i}))}}class Fb extends ge{refresh(){const t=this.editor.model,e=Ta(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("element","paragraph"),this.isEnabled=!!e&&Nb(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change((o=>{const i=(t.selection||n.selection).getSelectedBlocks();for(const t of i)!t.is("element","paragraph")&&Nb(t,e.schema)&&o.rename(t,"paragraph")}))}}function Nb(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class Ob extends ge{execute(t){const e=this.editor.model;let n=t.position;e.change((t=>{const o=t.createElement("paragraph");if(!e.schema.checkChild(n.parent,o)){const i=e.schema.findAllowedParent(n,o);if(!i)return;n=t.split(n,i).position}e.insertContent(o,n),t.setSelection(o,"in")}))}}class Mb extends pe{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model;t.commands.add("paragraph",new Fb(t)),t.commands.add("insertParagraph",new Ob(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,{writer:e})=>Mb.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,view:/.+/,converterPriority:"low"})}}Mb.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td","th"]);class Vb extends ge{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=Ta(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some((e=>Lb(t,e,this.editor.model.schema)))}execute(t){const e=this.editor.model,n=e.document,o=t.value;e.change((t=>{const i=Array.from(n.selection.getSelectedBlocks()).filter((t=>Lb(t,o,e.schema)));for(const e of i)e.is("element",o)||t.rename(e,o)}))}}function Lb(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}const Hb="paragraph";class qb extends pe{static get pluginName(){return"HeadingEditing"}constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[Mb]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const o of e)o.model!==Hb&&(t.model.schema.register(o.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(o),n.push(o.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new Vb(t,n))}afterInit(){const t=this.editor,e=t.commands.get("enter"),n=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",((e,o)=>{const i=t.model.document.selection.getFirstPosition().parent;n.some((t=>i.is("element",t.model)))&&!i.is("element",Hb)&&0===i.childCount&&o.writer.rename(i,Hb)}))}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:r.get("low")+1})}}var Wb=n(3230),jb={attributes:{"data-cke":!0}};jb.setAttributes=is(),jb.insert=ns().bind(null,"head"),jb.domAPI=ts(),jb.insertStyleElement=ss();Qr()(Wb.Z,jb);Wb.Z&&Wb.Z.locals&&Wb.Z.locals;class Ub extends pe{static get pluginName(){return"HeadingUI"}init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e("Paragraph"),"Heading 1":e("Heading 1"),"Heading 2":e("Heading 2"),"Heading 3":e("Heading 3"),"Heading 4":e("Heading 4"),"Heading 5":e("Heading 5"),"Heading 6":e("Heading 6")};return t.config.get("heading.options").map((t=>{const e=n[t.title];return e&&e!=t.title&&(t.title=e),t}))}(t),o=e("Choose heading"),i=e("Heading");t.ui.componentFactory.add("heading",(e=>{const r={},s=new So,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of n){const e={type:"button",model:new Eh({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(e.model.bind("isOn").to(a,"value",(e=>e===t.model)),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const d=nh(e);return ih(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:i}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",((...t)=>t.some((t=>t)))),d.buttonView.bind("label").to(a,"value",c,"value",((t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:o})),this.listenTo(d,"execute",(e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()})),d}))}}function $b(t,e,n){return t=>{t.on(`attribute:${n}:${e}`,o)};function o(e,n,o){if(!o.consumable.consume(n.item,e.name))return;const i=o.writer,r=o.mapper.toViewElement(n.item),s=t.findViewImgElement(r);i.setAttribute(n.attributeKey,n.attributeNewValue||"",s)}}class Gb extends Bs{observe(t){this.listenTo(t,"load",((t,e)=>{const n=e.target;this.checkShouldIgnoreEventFromTarget(n)||"IMG"==n.tagName&&this._fireEvents(e)}),{useCapture:!0})}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}}class Kb extends ge{constructor(t){super(t);const e=t.config.get("image.insert.type");t.plugins.has("ImageBlockEditing")||"block"===e&&a("image-block-plugin-required"),t.plugins.has("ImageInlineEditing")||"inline"===e&&a("image-inline-plugin-required")}refresh(){this.isEnabled=this.editor.plugins.get("ImageUtils").isImageAllowed()}execute(t){const e=To(t.source),n=this.editor.model.document.selection,o=this.editor.plugins.get("ImageUtils"),i=Object.fromEntries(n.getAttributes());e.forEach(((t,e)=>{const r=n.getSelectedElement();if("string"==typeof t&&(t={src:t}),e&&r&&o.isImage(r)){const e=this.editor.model.createPositionAfter(r);o.insertImage({...t,...i},e)}else o.insertImage({...t,...i})}))}}class Zb extends pe{static get requires(){return[af]}static get pluginName(){return"ImageEditing"}init(){const t=this.editor,e=t.conversion;t.editing.view.addObserver(Gb),e.for("upcast").attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}});const n=new Kb(t);t.commands.add("insertImage",n),t.commands.add("imageInsert",n)}}class Jb extends ge{constructor(t,e){super(t),this._modelElementName=e}refresh(){const t=this.editor.plugins.get("ImageUtils"),e=t.getClosestSelectedImageElement(this.editor.model.document.selection);"imageBlock"===this._modelElementName?this.isEnabled=t.isInlineImage(e):this.isEnabled=t.isBlockImage(e)}execute(){const t=this.editor,e=this.editor.model,n=t.plugins.get("ImageUtils"),o=n.getClosestSelectedImageElement(e.document.selection),i=Object.fromEntries(o.getAttributes());return i.src||i.uploadId?e.change((t=>{const r=Array.from(e.markers).filter((t=>t.getRange().containsItem(o))),s=n.insertImage(i,e.createSelection(o,"on"),this._modelElementName);if(!s)return null;const a=t.createRangeOn(s);for(const e of r){const n=e.getRange(),o="$graveyard"!=n.root.rootName?n.getJoined(a,!0):a;t.updateMarker(e,{range:o})}return{oldElement:o,newElement:s}})):null}}class Yb extends pe{static get requires(){return[Zb,af,Og]}static get pluginName(){return"ImageBlockEditing"}init(){const t=this.editor;t.model.schema.register("imageBlock",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),this._setupConversion(),t.plugins.has("ImageInlineEditing")&&(t.commands.add("imageTypeBlock",new Jb(this.editor,"imageBlock")),this._setupClipboardIntegration())}_setupConversion(){const t=this.editor,e=t.t,n=t.conversion,o=t.plugins.get("ImageUtils");n.for("dataDowncast").elementToElement({model:"imageBlock",view:(t,{writer:e})=>of(e,"imageBlock")}),n.for("editingDowncast").elementToElement({model:"imageBlock",view:(t,{writer:n})=>o.toImageWidget(of(n,"imageBlock"),n,e("image widget"))}),n.for("downcast").add($b(o,"imageBlock","src")).add($b(o,"imageBlock","alt")).add(function(t,e){return t=>{t.on(`attribute:srcset:${e}`,n)};function n(e,n,o){if(!o.consumable.consume(n.item,e.name))return;const i=o.writer,r=o.mapper.toViewElement(n.item),s=t.findViewImgElement(r);if(null===n.attributeNewValue){const t=n.attributeOldValue;t.data&&(i.removeAttribute("srcset",s),i.removeAttribute("sizes",s),t.width&&i.removeAttribute("width",s))}else{const t=n.attributeNewValue;t.data&&(i.setAttribute("srcset",t.data,s),i.setAttribute("sizes","100vw",s),t.width&&i.setAttribute("width",t.width,s))}}}(o,"imageBlock")),n.for("upcast").elementToElement({view:rf(t,"imageBlock"),model:(t,{writer:e})=>e.createElement("imageBlock",t.hasAttribute("src")?{src:t.getAttribute("src")}:null)}).add(function(t){return t=>{t.on("element:figure",e)};function e(e,n,o){if(!o.consumable.test(n.viewItem,{name:!0,classes:"image"}))return;const i=t.findViewImgElement(n.viewItem);if(!i||!o.consumable.test(i,{name:!0}))return;o.consumable.consume(n.viewItem,{name:!0,classes:"image"});const r=Ta(o.convertItem(i,n.modelCursor).modelRange.getItems());r?(o.convertChildren(n.viewItem,r),o.updateConversionResult(r,n)):o.consumable.revert(n.viewItem,{name:!0,classes:"image"})}}(o))}_setupClipboardIntegration(){const t=this.editor,e=t.model,n=t.editing.view,o=t.plugins.get("ImageUtils");this.listenTo(t.plugins.get("ClipboardPipeline"),"inputTransformation",((i,r)=>{const s=Array.from(r.content.getChildren());let a;if(!s.every(o.isInlineImageView))return;a=r.targetRanges?t.editing.mapper.toModelRange(r.targetRanges[0]):e.document.selection.getFirstRange();const c=e.createSelection(a);if("imageBlock"===sf(e.schema,c)){const t=new pp(n.document),e=s.map((e=>t.createElement("figure",{class:"image"},e)));r.content=t.createDocumentFragment(e)}}))}}function Qb(t){for(const e of t.getChildren())if(e&&e.is("element","caption"))return e;return null}function Xb(t,e){const n=e.getFirstPosition().findAncestor("caption");return n&&t.isBlockImage(n.parent)?n:null}class tk extends ge{refresh(){const t=this.editor,e=t.plugins.get("ImageUtils");if(!t.plugins.has(Yb))return this.isEnabled=!1,void(this.value=!1);const n=t.model.document.selection,o=n.getSelectedElement();if(!o){const t=Xb(e,n);return this.isEnabled=!!t,void(this.value=!!t)}this.isEnabled=this.editor.plugins.get("ImageUtils").isImage(o),this.isEnabled?this.value=!!Qb(o):this.value=!1}execute(t={}){const{focusCaptionOnShow:e}=t;this.editor.model.change((t=>{this.value?this._hideImageCaption(t):this._showImageCaption(t,e)}))}_showImageCaption(t,e){const n=this.editor.model.document.selection,o=this.editor.plugins.get("ImageCaptionEditing");let i=n.getSelectedElement();const r=o._getSavedCaption(i);this.editor.plugins.get("ImageUtils").isInlineImage(i)&&(this.editor.execute("imageTypeBlock"),i=n.getSelectedElement());const s=r||t.createElement("caption");t.append(s,i),e&&t.setSelection(s,"in")}_hideImageCaption(t){const e=this.editor,n=e.model.document.selection,o=e.plugins.get("ImageCaptionEditing"),i=e.plugins.get("ImageUtils");let r,s=n.getSelectedElement();s?r=Qb(s):(r=Xb(i,n),s=r.parent),o._saveCaption(s,r),t.setSelection(s,"on"),t.remove(r)}}class ek extends pe{static get requires(){return[af]}static get pluginName(){return"ImageCaptionEditing"}constructor(t){super(t),this._savedCaptionsMap=new WeakMap}init(){const t=this.editor,e=t.model.schema;e.isRegistered("caption")?e.extend("caption",{allowIn:"imageBlock"}):e.register("caption",{allowIn:"imageBlock",allowContentOf:"$block",isLimit:!0}),t.commands.add("toggleImageCaption",new tk(this.editor)),this._setupConversion(),this._setupImageTypeCommandsIntegration()}_setupConversion(){const t=this.editor,e=t.editing.view,n=t.plugins.get("ImageUtils"),o=t.t;t.conversion.for("upcast").elementToElement({view:t=>function(t,e){return"figcaption"==e.name&&t.isBlockImageView(e.parent)?{name:!0}:null}(n,t),model:"caption"}),t.conversion.for("dataDowncast").elementToElement({model:"caption",view:(t,{writer:e})=>n.isBlockImage(t.parent)?e.createContainerElement("figcaption"):null}),t.conversion.for("editingDowncast").elementToElement({model:"caption",view:(t,{writer:i})=>{if(!n.isBlockImage(t.parent))return null;const r=i.createEditableElement("figcaption");return i.setCustomProperty("imageCaption",!0,r),Zh({view:e,element:r,text:o("Enter image caption"),keepOnFocus:!0}),km(r,i)}}),t.editing.mapper.on("modelToViewPosition",nk(e)),t.data.mapper.on("modelToViewPosition",nk(e))}_setupImageTypeCommandsIntegration(){const t=this.editor,e=t.plugins.get("ImageUtils"),n=t.commands.get("imageTypeInline"),o=t.commands.get("imageTypeBlock"),i=t=>{if(!t.return)return;const{oldElement:n,newElement:o}=t.return;if(!n)return;if(e.isBlockImage(n)){const t=Qb(n);if(t)return void this._saveCaption(o,t)}const i=this._getSavedCaption(n);i&&this._saveCaption(o,i)};n&&this.listenTo(n,"execute",i,{priority:"low"}),o&&this.listenTo(o,"execute",i,{priority:"low"})}_getSavedCaption(t){const e=this._savedCaptionsMap.get(t);return e?Za.fromJSON(e):null}_saveCaption(t,e){this._savedCaptionsMap.set(t,e.toJSON())}}function nk(t){return(e,n)=>{const o=n.modelPosition,i=o.parent;if(!i.is("element","imageBlock"))return;const r=n.mapper.toViewElement(i);n.viewPosition=t.createPositionAt(r,o.offset+1)}}class ok extends pe{static get requires(){return[af]}static get pluginName(){return"ImageCaptionUI"}init(){const t=this.editor,e=t.editing.view,n=t.plugins.get("ImageUtils"),o=t.t;t.ui.componentFactory.add("toggleImageCaption",(i=>{const r=t.commands.get("toggleImageCaption"),s=new pu(i);return s.set({icon:Td.caption,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.bind("label").to(r,"value",(t=>o(t?"Toggle caption off":"Toggle caption on"))),this.listenTo(s,"execute",(()=>{t.execute("toggleImageCaption",{focusCaptionOnShow:!0});const o=Xb(n,t.model.document.selection);if(o){const n=t.editing.mapper.toViewElement(o);e.scrollToTheSelection(),e.change((t=>{t.addClass("image__caption_highlighted",n)}))}})),s}))}}var ik=n(8662),rk={attributes:{"data-cke":!0}};rk.setAttributes=is(),rk.insert=ns().bind(null,"head"),rk.domAPI=ts(),rk.insertStyleElement=ss();Qr()(ik.Z,rk);ik.Z&&ik.Z.locals&&ik.Z.locals;class sk extends ge{constructor(t,e){super(t),this._defaultStyles={imageBlock:!1,imageInline:!1},this._styles=new Map(e.map((t=>{if(t.isDefault)for(const e of t.modelElements)this._defaultStyles[e]=t.name;return[t.name,t]})))}refresh(){const t=this.editor.plugins.get("ImageUtils").getClosestSelectedImageElement(this.editor.model.document.selection);this.isEnabled=!!t,this.isEnabled?t.hasAttribute("imageStyle")?this.value=t.getAttribute("imageStyle"):this.value=this._defaultStyles[t.name]:this.value=!1}execute(t={}){const e=this.editor,n=e.model,o=e.plugins.get("ImageUtils");n.change((e=>{const i=t.value;let r=o.getClosestSelectedImageElement(n.document.selection);i&&this.shouldConvertImageType(i,r)&&(this.editor.execute(o.isBlockImage(r)?"imageTypeInline":"imageTypeBlock"),r=o.getClosestSelectedImageElement(n.document.selection)),!i||this._styles.get(i).isDefault?e.removeAttribute("imageStyle",r):e.setAttribute("imageStyle",i,r)}))}shouldConvertImageType(t,e){return!this._styles.get(t).modelElements.includes(e.name)}}const{objectFullWidth:ak,objectInline:ck,objectLeft:lk,objectRight:dk,objectCenter:uk,objectBlockLeft:hk,objectBlockRight:pk}=Td,mk={inline:{name:"inline",title:"In line",icon:ck,modelElements:["imageInline"],isDefault:!0},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:lk,modelElements:["imageBlock","imageInline"],className:"image-style-align-left"},alignBlockLeft:{name:"alignBlockLeft",title:"Left aligned image",icon:hk,modelElements:["imageBlock"],className:"image-style-block-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:uk,modelElements:["imageBlock"],className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:dk,modelElements:["imageBlock","imageInline"],className:"image-style-align-right"},alignBlockRight:{name:"alignBlockRight",title:"Right aligned image",icon:pk,modelElements:["imageBlock"],className:"image-style-block-align-right"},block:{name:"block",title:"Centered image",icon:uk,modelElements:["imageBlock"],isDefault:!0},side:{name:"side",title:"Side image",icon:dk,modelElements:["imageBlock"],className:"image-style-side"}},gk={full:ak,left:hk,right:pk,center:uk,inlineLeft:lk,inlineRight:dk,inline:ck},fk=[{name:"imageStyle:wrapText",title:"Wrap text",defaultItem:"imageStyle:alignLeft",items:["imageStyle:alignLeft","imageStyle:alignRight"]},{name:"imageStyle:breakText",title:"Break text",defaultItem:"imageStyle:block",items:["imageStyle:alignBlockLeft","imageStyle:block","imageStyle:alignBlockRight"]}];function bk(t){a("image-style-configuration-definition-invalid",t)}const kk={normalizeStyles:function(t){const e=(t.configuredStyles.options||[]).map((t=>function(t){t="string"==typeof t?mk[t]?{...mk[t]}:{name:t}:function(t,e){const n={...e};for(const o in t)Object.prototype.hasOwnProperty.call(e,o)||(n[o]=t[o]);return n}(mk[t.name],t);"string"==typeof t.icon&&(t.icon=gk[t.icon]||t.icon);return t}(t))).filter((e=>function(t,{isBlockPluginLoaded:e,isInlinePluginLoaded:n}){const{modelElements:o,name:i}=t;if(!(o&&o.length&&i))return bk({style:t}),!1;{const i=[e?"imageBlock":null,n?"imageInline":null];if(!o.some((t=>i.includes(t))))return a("image-style-missing-dependency",{style:t,missingPlugins:o.map((t=>"imageBlock"===t?"ImageBlockEditing":"ImageInlineEditing"))}),!1}return!0}(e,t)));return e},getDefaultStylesConfiguration:function(t,e){return t&&e?{options:["inline","alignLeft","alignRight","alignCenter","alignBlockLeft","alignBlockRight","block","side"]}:t?{options:["block","side"]}:e?{options:["inline","alignLeft","alignRight"]}:{}},getDefaultDropdownDefinitions:function(t){return t.has("ImageBlockEditing")&&t.has("ImageInlineEditing")?[...fk]:[]},warnInvalidStyle:bk,DEFAULT_OPTIONS:mk,DEFAULT_ICONS:gk,DEFAULT_DROPDOWN_DEFINITIONS:fk};function wk(t,e){for(const n of e)if(n.name===t)return n}class _k extends pe{static get pluginName(){return"ImageStyleEditing"}static get requires(){return[af]}init(){const{normalizeStyles:t,getDefaultStylesConfiguration:e}=kk,n=this.editor,o=n.plugins.has("ImageBlockEditing"),i=n.plugins.has("ImageInlineEditing");n.config.define("image.styles",e(o,i)),this.normalizedStyles=t({configuredStyles:n.config.get("image.styles"),isBlockPluginLoaded:o,isInlinePluginLoaded:i}),this._setupConversion(o,i),this._setupPostFixer(),n.commands.add("imageStyle",new sk(n,this.normalizedStyles))}_setupConversion(t,e){const n=this.editor,o=n.model.schema,i=(r=this.normalizedStyles,(t,e,n)=>{if(!n.consumable.consume(e.item,t.name))return;const o=wk(e.attributeNewValue,r),i=wk(e.attributeOldValue,r),s=n.mapper.toViewElement(e.item),a=n.writer;i&&a.removeClass(i.className,s),o&&a.addClass(o.className,s)});var r;const s=function(t){const e={imageInline:t.filter((t=>!t.isDefault&&t.modelElements.includes("imageInline"))),imageBlock:t.filter((t=>!t.isDefault&&t.modelElements.includes("imageBlock")))};return(t,n,o)=>{if(!n.modelRange)return;const i=n.viewItem,r=Ta(n.modelRange.getItems());if(r&&o.schema.checkAttribute(r,"imageStyle"))for(const t of e[r.name])o.consumable.consume(i,{classes:t.className})&&o.writer.setAttribute("imageStyle",t.name,r)}}(this.normalizedStyles);n.editing.downcastDispatcher.on("attribute:imageStyle",i),n.data.downcastDispatcher.on("attribute:imageStyle",i),t&&(o.extend("imageBlock",{allowAttributes:"imageStyle"}),n.data.upcastDispatcher.on("element:figure",s,{priority:"low"})),e&&(o.extend("imageInline",{allowAttributes:"imageStyle"}),n.data.upcastDispatcher.on("element:img",s,{priority:"low"}))}_setupPostFixer(){const t=this.editor,e=t.model.document,n=t.plugins.get(af),o=new Map(this.normalizedStyles.map((t=>[t.name,t])));e.registerPostFixer((t=>{let i=!1;for(const r of e.differ.getChanges())if("insert"==r.type||"attribute"==r.type&&"imageStyle"==r.attributeKey){let e="insert"==r.type?r.position.nodeAfter:r.range.start.nodeAfter;if(e&&e.is("element","paragraph")&&e.childCount>0&&(e=e.getChild(0)),!n.isImage(e))continue;const s=e.getAttribute("imageStyle");if(!s)continue;const a=o.get(s);a&&a.modelElements.includes(e.name)||(t.removeAttribute("imageStyle",e),i=!0)}return i}))}}var Ck=n(4622),Ak={attributes:{"data-cke":!0}};Ak.setAttributes=is(),Ak.insert=ns().bind(null,"head"),Ak.domAPI=ts(),Ak.insertStyleElement=ss();Qr()(Ck.Z,Ak);Ck.Z&&Ck.Z.locals&&Ck.Z.locals;class vk extends pe{static get requires(){return[_k]}static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Wrap text":t("Wrap text"),"Break text":t("Break text"),"In line":t("In line"),"Full size image":t("Full size image"),"Side image":t("Side image"),"Left aligned image":t("Left aligned image"),"Centered image":t("Centered image"),"Right aligned image":t("Right aligned image")}}init(){const t=this.editor.plugins,e=this.editor.config.get("image.toolbar")||[],n=yk(t.get("ImageStyleEditing").normalizedStyles,this.localizedDefaultStylesTitles);for(const t of n)this._createButton(t);const o=yk([...e.filter(y),...kk.getDefaultDropdownDefinitions(t)],this.localizedDefaultStylesTitles);for(const t of o)this._createDropdown(t,n)}_createDropdown(t,e){const n=this.editor.ui.componentFactory;n.add(t.name,(o=>{let i;const{defaultItem:r,items:s,title:a}=t,c=s.filter((t=>e.find((({name:e})=>xk(e)===t)))).map((t=>{const e=n.create(t);return t===r&&(i=e),e}));s.length!==c.length&&kk.warnInvalidStyle({dropdown:t});const l=nh(o,Pu),d=l.buttonView;return oh(l,c),d.set({label:Ek(a,i.label),class:null,tooltip:!0}),d.bind("icon").toMany(c,"isOn",((...t)=>{const e=t.findIndex(rt);return e<0?i.icon:c[e].icon})),d.bind("label").toMany(c,"isOn",((...t)=>{const e=t.findIndex(rt);return Ek(a,e<0?i.label:c[e].label)})),d.bind("isOn").toMany(c,"isOn",((...t)=>t.some(rt))),d.bind("class").toMany(c,"isOn",((...t)=>t.some(rt)?"ck-splitbutton_flatten":null)),d.on("execute",(()=>{c.some((({isOn:t})=>t))?l.isOpen=!l.isOpen:i.fire("execute")})),l.bind("isEnabled").toMany(c,"isEnabled",((...t)=>t.some(rt))),l}))}_createButton(t){const e=t.name;this.editor.ui.componentFactory.add(xk(e),(n=>{const o=this.editor.commands.get("imageStyle"),i=new pu(n);return i.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),i.bind("isEnabled").to(o,"isEnabled"),i.bind("isOn").to(o,"value",(t=>t===e)),i.on("execute",this._executeCommand.bind(this,e)),i}))}_executeCommand(t){this.editor.execute("imageStyle",{value:t}),this.editor.editing.view.focus()}}function yk(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}function xk(t){return`imageStyle:${t}`}function Ek(t,e){return(t?t+": ":"")+e}class Dk{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){Array.isArray(t)?t.forEach((t=>this._definitions.add(t))):this._definitions.add(t)}getDispatcher(){return t=>{t.on("attribute:linkHref",((t,e,n)=>{if(!n.consumable.test(e.item,"attribute:linkHref"))return;const o=n.writer,i=o.document.selection;for(const t of this._definitions){const r=o.createAttributeElement("a",t.attributes,{priority:5});t.classes&&o.addClass(t.classes,r);for(const e in t.styles)o.setStyle(e,t.styles[e],r);o.setCustomProperty("link",!0,r),t.callback(e.attributeNewValue)?e.item.is("selection")?o.wrap(i.getFirstRange(),r):o.wrap(n.mapper.toViewRange(e.range),r):o.unwrap(n.mapper.toViewRange(e.range),r)}}),{priority:"high"})}}getDispatcherForLinkedImage(){return t=>{t.on("attribute:linkHref:imageBlock",((t,e,{writer:n,mapper:o})=>{const i=o.toViewElement(e.item),r=Array.from(i.getChildren()).find((t=>"a"===t.name));for(const t of this._definitions){const o=qo(t.attributes);if(t.callback(e.attributeNewValue)){for(const[t,e]of o)"class"===t?n.addClass(e,r):n.setAttribute(t,e,r);t.classes&&n.addClass(t.classes,r);for(const e in t.styles)n.setStyle(e,t.styles[e],r)}else{for(const[t,e]of o)"class"===t?n.removeClass(e,r):n.removeAttribute(t,r);t.classes&&n.removeClass(t.classes,r);for(const e in t.styles)n.removeStyle(e,r)}}}))}}}const Sk=function(t,e,n){var o=t.length;return n=void 0===n?o:n,!e&&n>=o?t:ui(t,e,n)};var Bk=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");const Tk=function(t){return Bk.test(t)};const Pk=function(t){return t.split("")};var Ik="[\\ud800-\\udfff]",Rk="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",zk="\\ud83c[\\udffb-\\udfff]",Fk="[^\\ud800-\\udfff]",Nk="(?:\\ud83c[\\udde6-\\uddff]){2}",Ok="[\\ud800-\\udbff][\\udc00-\\udfff]",Mk="(?:"+Rk+"|"+zk+")"+"?",Vk="[\\ufe0e\\ufe0f]?",Lk=Vk+Mk+("(?:\\u200d(?:"+[Fk,Nk,Ok].join("|")+")"+Vk+Mk+")*"),Hk="(?:"+[Fk+Rk+"?",Rk,Nk,Ok,Ik].join("|")+")",qk=RegExp(zk+"(?="+zk+")|"+Hk+Lk,"g");const Wk=function(t){return t.match(qk)||[]};const jk=function(t){return Tk(t)?Wk(t):Pk(t)};const Uk=function(t){return function(e){e=si(e);var n=Tk(e)?jk(e):void 0,o=n?n[0]:e.charAt(0),i=n?Sk(n,1).join(""):e.slice(1);return o[t]()+i}}("toUpperCase"),$k=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,Gk=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i,Kk=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,Zk=/^((\w+:(\/{2,})?)|(\W))/i,Jk="Ctrl+K";function Yk(t,{writer:e}){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,n),n}function Qk(t){return function(t){return t.replace($k,"").match(Gk)}(t=String(t))?t:"#"}function Xk(t,e){return!!t&&e.checkAttribute(t.name,"linkHref")}function tw(t,e){const n=(o=t,Kk.test(o)?"mailto:":e);var o;const i=!!n&&!Zk.test(t);return t&&i?n+t:t}function ew(t){window.open(t,"_blank","noopener")}class nw extends ge{constructor(t){super(t),this.manualDecorators=new So,this.automaticDecorators=new Dk}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document.selection,n=e.getSelectedElement()||Ta(e.getSelectedBlocks());Xk(n,t.schema)?(this.value=n.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttribute(n,"linkHref")):(this.value=e.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttributeInSelection(e,"linkHref"));for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}execute(t,e={}){const n=this.editor.model,o=n.document.selection,i=[],r=[];for(const t in e)e[t]?i.push(t):r.push(t);n.change((e=>{if(o.isCollapsed){const s=o.getFirstPosition();if(o.hasAttribute("linkHref")){const a=Hf(s,"linkHref",o.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,a),i.forEach((t=>{e.setAttribute(t,!0,a)})),r.forEach((t=>{e.removeAttribute(t,a)})),e.setSelection(e.createPositionAfter(a.end.nodeBefore))}else if(""!==t){const r=qo(o.getAttributes());r.set("linkHref",t),i.forEach((t=>{r.set(t,!0)}));const{end:a}=n.insertContent(e.createText(t,r),s);e.setSelection(a)}["linkHref",...i,...r].forEach((t=>{e.removeSelectionAttribute(t)}))}else{const s=n.schema.getValidRanges(o.getRanges(),"linkHref"),a=[];for(const t of o.getSelectedBlocks())n.schema.checkAttribute(t,"linkHref")&&a.push(e.createRangeOn(t));const c=a.slice();for(const t of s)this._isRangeToUpdate(t,a)&&c.push(t);for(const n of c)e.setAttribute("linkHref",t,n),i.forEach((t=>{e.setAttribute(t,!0,n)})),r.forEach((t=>{e.removeAttribute(t,n)}))}}))}_getDecoratorStateFromModel(t){const e=this.editor.model,n=e.document.selection,o=n.getSelectedElement();return Xk(o,e.schema)?o.getAttribute(t):n.getAttribute(t)}_isRangeToUpdate(t,e){for(const n of e)if(n.containsRange(t))return!1;return!0}}class ow extends ge{refresh(){const t=this.editor.model,e=t.document.selection,n=e.getSelectedElement();Xk(n,t.schema)?this.isEnabled=t.schema.checkAttribute(n,"linkHref"):this.isEnabled=t.schema.checkAttributeInSelection(e,"linkHref")}execute(){const t=this.editor,e=this.editor.model,n=e.document.selection,o=t.commands.get("link");e.change((t=>{const i=n.isCollapsed?[Hf(n.getFirstPosition(),"linkHref",n.getAttribute("linkHref"),e)]:e.schema.getValidRanges(n.getRanges(),"linkHref");for(const e of i)if(t.removeAttribute("linkHref",e),o)for(const n of o.manualDecorators)t.removeAttribute(n.id,e)}))}}class iw{constructor({id:t,label:e,attributes:n,classes:o,styles:i,defaultValue:r}){this.id=t,this.set("value"),this.defaultValue=r,this.label=e,this.attributes=n,this.classes=o,this.styles=i}_createPattern(){return{attributes:this.attributes,classes:this.classes,styles:this.styles}}}he(iw,se);var rw=n(399),sw={attributes:{"data-cke":!0}};sw.setAttributes=is(),sw.insert=ns().bind(null,"head"),sw.domAPI=ts(),sw.insertStyleElement=ss();Qr()(rw.Z,sw);rw.Z&&rw.Z.locals&&rw.Z.locals;const aw="automatic",cw=/^(https?:)?\/\//;class lw extends pe{static get pluginName(){return"LinkEditing"}static get requires(){return[Ff,Pf,Og]}constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:Yk}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>Yk(Qk(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new nw(t)),t.commands.add("unlink",new ow(t));const e=function(t,e){const n={"Open in a new tab":t("Open in a new tab"),Downloadable:t("Downloadable")};return e.forEach((t=>(t.label&&n[t.label]&&(t.label=n[t.label]),t))),e}(t.t,function(t){const e=[];if(t)for(const[n,o]of Object.entries(t)){const t=Object.assign({},o,{id:`link${Uk(n)}`});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(e.filter((t=>t.mode===aw))),this._enableManualDecorators(e.filter((t=>"manual"===t.mode)));t.plugins.get(Ff).registerAttribute("linkHref"),Wf(t,"linkHref","a","ck-link_selected"),this._enableLinkOpen(),this._enableInsertContentSelectionAttributesFixer(),this._enableClickingAfterLink(),this._enableTypingOverLink(),this._handleDeleteContentAfterLink()}_enableAutomaticDecorators(t){const e=this.editor,n=e.commands.get("link").automaticDecorators;e.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:aw,callback:t=>cw.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(t),n.length&&e.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,n=e.commands.get("link").manualDecorators;t.forEach((t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),t=new iw(t),n.add(t),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,{writer:n})=>{if(e){const e=n.createAttributeElement("a",t.attributes,{priority:5});t.classes&&n.addClass(t.classes,e);for(const o in t.styles)n.setStyle(o,t.styles[o],e);return n.setCustomProperty("link",!0,e),e}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",...t._createPattern()},model:{key:t.id}})}))}_enableLinkOpen(){const t=this.editor,e=t.editing.view.document,n=t.model.document;this.listenTo(e,"click",((t,e)=>{if(!(ar.isMac?e.domEvent.metaKey:e.domEvent.ctrlKey))return;let n=e.domTarget;if("a"!=n.tagName.toLowerCase()&&(n=n.closest("a")),!n)return;const o=n.getAttribute("href");o&&(t.stop(),e.preventDefault(),ew(o))}),{context:"$capture"}),this.listenTo(e,"enter",((t,e)=>{const o=n.selection,i=o.getSelectedElement(),r=i?i.getAttribute("linkHref"):o.getAttribute("linkHref");r&&e.domEvent.altKey&&(t.stop(),ew(r))}),{context:"a"})}_enableInsertContentSelectionAttributesFixer(){const t=this.editor.model,e=t.document.selection;this.listenTo(t,"insertContent",(()=>{const n=e.anchor.nodeBefore,o=e.anchor.nodeAfter;e.hasAttribute("linkHref")&&n&&n.hasAttribute("linkHref")&&(o&&o.hasAttribute("linkHref")||t.change((e=>{dw(e,hw(t.schema))})))}),{priority:"low"})}_enableClickingAfterLink(){const t=this.editor,e=t.model;t.editing.view.addObserver(hp);let n=!1;this.listenTo(t.editing.view.document,"mousedown",(()=>{n=!0})),this.listenTo(t.editing.view.document,"selectionChange",(()=>{if(!n)return;n=!1;const t=e.document.selection;if(!t.isCollapsed)return;if(!t.hasAttribute("linkHref"))return;const o=t.getFirstPosition(),i=Hf(o,"linkHref",t.getAttribute("linkHref"),e);(o.isTouching(i.start)||o.isTouching(i.end))&&e.change((t=>{dw(t,hw(e.schema))}))}))}_enableTypingOverLink(){const t=this.editor,e=t.editing.view;let n,o;this.listenTo(e.document,"delete",(()=>{o=!0}),{priority:"high"}),this.listenTo(t.model,"deleteContent",(()=>{const e=t.model.document.selection;e.isCollapsed||(o?o=!1:uw(t)&&function(t){const e=t.document.selection,n=e.getFirstPosition(),o=e.getLastPosition(),i=n.nodeAfter;if(!i)return!1;if(!i.is("$text"))return!1;if(!i.hasAttribute("linkHref"))return!1;const r=o.textNode||o.nodeBefore;if(i===r)return!0;return Hf(n,"linkHref",i.getAttribute("linkHref"),t).containsRange(t.createRange(n,o),!0)}(t.model)&&(n=e.getAttributes()))}),{priority:"high"}),this.listenTo(t.model,"insertContent",((e,[i])=>{o=!1,uw(t)&&n&&(t.model.change((t=>{for(const[e,o]of n)t.setAttribute(e,o,i)})),n=null)}),{priority:"high"})}_handleDeleteContentAfterLink(){const t=this.editor,e=t.model,n=e.document.selection,o=t.editing.view;let i=!1,r=!1;this.listenTo(o.document,"delete",((t,e)=>{r=e.domEvent.keyCode===ur.backspace}),{priority:"high"}),this.listenTo(e,"deleteContent",(()=>{i=!1;const t=n.getFirstPosition(),o=n.getAttribute("linkHref");if(!o)return;const r=Hf(t,"linkHref",o,e);i=r.containsPosition(t)||r.end.isEqual(t)}),{priority:"high"}),this.listenTo(e,"deleteContent",(()=>{r&&(r=!1,i||t.model.enqueueChange((t=>{dw(t,hw(e.schema))})))}),{priority:"low"})}}function dw(t,e){t.removeSelectionAttribute("linkHref");for(const n of e)t.removeSelectionAttribute(n)}function uw(t){return t.model.change((t=>t.batch)).isTyping}function hw(t){return t.getDefinition("$text").allowAttributes.filter((t=>t.startsWith("link")))}var pw=n(1590),mw={attributes:{"data-cke":!0}};mw.setAttributes=is(),mw.insert=ns().bind(null,"head"),mw.domAPI=ts(),mw.insertStyleElement=ss();Qr()(pw.Z,mw);pw.Z&&pw.Z.locals&&pw.Z.locals;var gw=n(4827),fw={attributes:{"data-cke":!0}};fw.setAttributes=is(),fw.insert=ns().bind(null,"head"),fw.domAPI=ts(),fw.insertStyleElement=ss();Qr()(gw.Z,fw);gw.Z&&gw.Z.locals&&gw.Z.locals;class bw extends Od{constructor(t,e){super(t);const n=t.t;this.focusTracker=new Pa,this.keystrokes=new Ia,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("Save"),Td.check,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("Cancel"),Td.cancel,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e.manualDecorators),this._focusables=new zd,this._focusCycler=new Au({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form","ck-responsive-form"];e.manualDecorators.length&&o.push("ck-link-form_layout-vertical","ck-vertical-form"),this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children}),Id(this)}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce(((t,e)=>(t[e.name]=e.isOn,t)),{})}render(){super.render(),Rd({view:this});[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const t=this.locale.t,e=new Ah(this.locale,vh);return e.label=t("Link URL"),e}_createButton(t,e,n,o){const i=new pu(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t.manualDecorators){const o=new fu(this.locale);o.set({name:n.id,label:n.label,withText:!0}),o.bind("isOn").toMany([n,t],"value",((t,e)=>void 0===e&&void 0===t?n.defaultValue:t)),o.on("execute",(()=>{n.set("value",!o.isOn)})),e.add(o)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new Od;t.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map((t=>({tag:"li",children:[t],attributes:{class:["ck","ck-list__item"]}}))),attributes:{class:["ck","ck-reset","ck-list"]}}),e.add(t)}return e.add(this.saveButtonView),e.add(this.cancelButtonView),e}}var kw=n(9465),ww={attributes:{"data-cke":!0}};ww.setAttributes=is(),ww.insert=ns().bind(null,"head"),ww.domAPI=ts(),ww.insertStyleElement=ss();Qr()(kw.Z,ww);kw.Z&&kw.Z.locals&&kw.Z.locals;class _w extends Od{constructor(t){super(t);const e=t.t;this.focusTracker=new Pa,this.keystrokes=new Ia,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("Unlink"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.077 15 .991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',"unlink"),this.editButtonView=this._createButton(e("Edit link"),Td.pencil,"edit"),this.set("href"),this._focusables=new zd,this._focusCycler=new Au({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render();[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const o=new pu(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.delegate("execute").to(this,n),o}_createPreviewButton(){const t=new pu(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("Open link in new tab")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",(t=>t&&Qk(t))),target:"_blank",rel:"noopener noreferrer"}}),t.bind("label").to(this,"href",(t=>t||n("This link has no URL"))),t.bind("isEnabled").to(this,"href",(t=>!!t)),t.template.tag="a",t.template.eventListeners={},t}}const Cw="link-ui";class Aw extends pe{static get requires(){return[Vh]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(up),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(Vh),this._createToolbarLinkButton(),this._enableUserBalloonInteractions(),t.conversion.for("editingDowncast").markerToHighlight({model:Cw,view:{classes:["ck-fake-link-selection"]}}),t.conversion.for("editingDowncast").markerToElement({model:Cw,view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new _w(t.locale),n=t.commands.get("link"),o=t.commands.get("unlink");return e.bind("href").to(n,"value"),e.editButtonView.bind("isEnabled").to(n),e.unlinkButtonView.bind("isEnabled").to(o),this.listenTo(e,"edit",(()=>{this._addFormView()})),this.listenTo(e,"unlink",(()=>{t.execute("unlink"),this._hideUI()})),e.keystrokes.set("Esc",((t,e)=>{this._hideUI(),e()})),e.keystrokes.set(Jk,((t,e)=>{this._addFormView(),e()})),e}_createFormView(){const t=this.editor,e=t.commands.get("link"),n=t.config.get("link.defaultProtocol"),o=new bw(t.locale,e);return o.urlInputView.fieldView.bind("value").to(e,"value"),o.urlInputView.bind("isReadOnly").to(e,"isEnabled",(t=>!t)),o.saveButtonView.bind("isEnabled").to(e),this.listenTo(o,"submit",(()=>{const{value:e}=o.urlInputView.fieldView.element,i=tw(e,n);t.execute("link",i,o.getDecoratorSwitchesState()),this._closeFormView()})),this.listenTo(o,"cancel",(()=>{this._closeFormView()})),o.keystrokes.set("Esc",((t,e)=>{this._closeFormView(),e()})),o}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),n=t.t;t.keystrokes.set(Jk,((t,n)=>{n(),e.isEnabled&&this._showUI(!0)})),t.ui.componentFactory.add("link",(t=>{const o=new pu(t);return o.isEnabled=!0,o.label=n("Link"),o.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.077 15 .991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>',o.keystroke=Jk,o.tooltip=!0,o.isToggleable=!0,o.bind("isEnabled").to(e,"isEnabled"),o.bind("isOn").to(e,"value",(t=>!!t)),this.listenTo(o,"execute",(()=>this._showUI(!0))),o}))}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",(()=>{this._getSelectedLinkElement()&&this._showUI()})),this.editor.keystrokes.set("Tab",((t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())}),{priority:"high"}),this.editor.keystrokes.set("Esc",((t,e)=>{this._isUIVisible&&(this._hideUI(),e())})),Pd({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const t=this.editor.commands.get("link");this.formView.disableCssTransitions(),this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.enableCssTransitions(),this.formView.urlInputView.fieldView.element.value=t.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates(),void 0!==t.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(t=!1){this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._showFakeVisualSelection(),this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let n=this._getSelectedLinkElement(),o=r();const i=()=>{const t=this._getSelectedLinkElement(),e=r();n&&!t||!n&&e!==o?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),n=t,o=e};function r(){return e.selection.focus.getAncestors().reverse().find((t=>t.is("element")))}this.listenTo(t.ui,"update",i),this.listenTo(this._balloon,"change:visibleView",i)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view,e=this.editor.model,n=t.document;let o=null;if(e.markers.has(Cw)){const e=Array.from(this.editor.editing.mapper.markerNameToElements(Cw)),n=t.createRange(t.createPositionBefore(e[0]),t.createPositionAfter(e[e.length-1]));o=t.domConverter.viewRangeToDom(n)}else o=()=>{const e=this._getSelectedLinkElement();return e?t.domConverter.mapViewToDom(e):t.domConverter.viewRangeToDom(n.selection.getFirstRange())};return{target:o}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection,n=e.getSelectedElement();if(e.isCollapsed||n&&hm(n))return vw(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),o=vw(n.start),i=vw(n.end);return o&&o==i&&t.createRangeIn(o).getTrimmed().isEqual(n)?o:null}}_showFakeVisualSelection(){const t=this.editor.model;t.change((e=>{const n=t.document.selection.getFirstRange();if(t.markers.has(Cw))e.updateMarker(Cw,{range:n});else if(n.start.isAtEnd){const o=n.start.getLastMatchingPosition((({item:e})=>!t.schema.isContent(e)),{boundaries:n});e.addMarker(Cw,{usingOperation:!1,affectsData:!1,range:e.createRange(o,n.end)})}else e.addMarker(Cw,{usingOperation:!1,affectsData:!1,range:n})}))}_hideFakeVisualSelection(){const t=this.editor.model;t.markers.has(Cw)&&t.change((t=>{t.removeMarker(Cw)}))}}function vw(t){return t.getAncestors().find((t=>{return(e=t).is("attributeElement")&&!!e.getCustomProperty("link");var e}))}const yw=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(((?!www\\.)|(www\\.))(?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.)+(?:[a-z\\u00a1-\\uffff]{2,63})))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.))+(?:[a-z\\u00a1-\\uffff]{2,63})))$","i");class xw extends pe{static get requires(){return[Lm]}static get pluginName(){return"AutoLink"}init(){const t=this.editor.model.document.selection;t.on("change:range",(()=>{this.isEnabled=!t.anchor.parent.is("element","codeBlock")})),this._enableTypingHandling()}afterInit(){this._enableEnterHandling(),this._enableShiftEnterHandling()}_enableTypingHandling(){const t=this.editor,e=new zf(t.model,(t=>{if(!function(t){return t.length>4&&" "===t[t.length-1]&&" "!==t[t.length-2]}(t))return;const e=Ew(t.substr(0,t.length-1));return e?{url:e}:void 0}));e.on("matched:data",((e,n)=>{const{batch:o,range:i,url:r}=n;if(!o.isTyping)return;const s=i.end.getShiftedBy(-1),a=s.getShiftedBy(-r.length),c=t.model.createRange(a,s);this._applyAutoLink(r,c)})),e.bind("isEnabled").to(this)}_enableEnterHandling(){const t=this.editor,e=t.model,n=t.commands.get("enter");n&&n.on("execute",(()=>{const t=e.document.selection.getFirstPosition();if(!t.parent.previousSibling)return;const n=e.createRangeIn(t.parent.previousSibling);this._checkAndApplyAutoLinkOnRange(n)}))}_enableShiftEnterHandling(){const t=this.editor,e=t.model,n=t.commands.get("shiftEnter");n&&n.on("execute",(()=>{const t=e.document.selection.getFirstPosition(),n=e.createRange(e.createPositionAt(t.parent,0),t.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(n)}))}_checkAndApplyAutoLinkOnRange(t){const e=this.editor.model,{text:n,range:o}=Rf(t,e),i=Ew(n);if(i){const t=e.createRange(o.end.getShiftedBy(-i.length),o.end);this._applyAutoLink(i,t)}}_applyAutoLink(t,e){const n=this.editor.model,o=this.editor.plugins.get("Delete");this.isEnabled&&function(t,e){return e.schema.checkAttributeInSelection(e.createSelection(t),"linkHref")}(e,n)&&n.enqueueChange((i=>{const r=this.editor.config.get("link.defaultProtocol"),s=tw(t,r);i.setAttribute("linkHref",s,e),n.enqueueChange((()=>{o.requestUndoOnBackspace()}))}))}}function Ew(t){const e=yw.exec(t);return e?e[2]:null}class Dw extends ge{constructor(t,e){super(t),this.type=e}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,n=e.document,o=Array.from(n.selection.getSelectedBlocks()).filter((t=>Bw(t,e.schema))),i=void 0!==t.forceValue?!t.forceValue:this.value;e.change((t=>{if(i){let e=o[o.length-1].nextSibling,n=Number.POSITIVE_INFINITY,i=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<n&&(n=t);const o=t-n;i.push({element:e,listIndent:o}),e=e.nextSibling}i=i.reverse();for(const e of i)t.setAttribute("listIndent",e.listIndent,e.element)}if(!i){let t=Number.POSITIVE_INFINITY;for(const e of o)e.is("element","listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));t=0===t?1:t,Sw(o,!0,t),Sw(o,!1,t)}for(const e of o.reverse())i&&"listItem"==e.name?t.rename(e,"paragraph"):i||"listItem"==e.name?i||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"));this.fire("_executeCleanup",o)}))}_getValue(){const t=Ta(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("element","listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=Ta(t.getSelectedBlocks());return!!n&&Bw(n,e)}}function Sw(t,e,n){const o=e?t[0]:t[t.length-1];if(o.is("element","listItem")){let i=o[e?"previousSibling":"nextSibling"],r=o.getAttribute("listIndent");for(;i&&i.is("element","listItem")&&i.getAttribute("listIndent")>=n;)r>i.getAttribute("listIndent")&&(r=i.getAttribute("listIndent")),i.getAttribute("listIndent")==r&&t[e?"unshift":"push"](i),i=i[e?"previousSibling":"nextSibling"]}}function Bw(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class Tw extends ge{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change((t=>{const e=n[n.length-1];let o=e.nextSibling;for(;o&&"listItem"==o.name&&o.getAttribute("listIndent")>e.getAttribute("listIndent");)n.push(o),o=o.nextSibling;this._indentBy<0&&(n=n.reverse());for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;n<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",n,e)}this.fire("_executeCleanup",n)}))}_checkEnabled(){const t=Ta(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("element","listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let o=t.previousSibling;for(;o&&o.is("element","listItem")&&o.getAttribute("listIndent")>=e;){if(o.getAttribute("listIndent")==e)return o.getAttribute("listType")==n;o=o.previousSibling}return!1}return!0}}function Pw(t,e){const n=e.mapper,o=e.writer,i="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=Mw,e}(o),s=o.createContainerElement(i,null);return o.insert(o.createPositionAt(s,0),r),n.bindElements(t,r),r}function Iw(t,e,n,o){const i=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(o.createPositionBefore(t));const c=Fw(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else if(l&&"listItem"==l.name){a=r.toViewPosition(o.createPositionAt(l,"end"));const t=r.findMappedViewAncestor(a),e=Ow(t);a=e?s.createPositionBefore(e):s.createPositionAt(t,"end")}else a=r.toViewPosition(o.createPositionBefore(t));if(a=zw(a),s.insert(a,i),l&&"listItem"==l.name){const t=r.toViewElement(l),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("element","li")){const o=s.breakContainer(s.createPositionBefore(t.item)),i=t.item.parent,r=s.createPositionAt(e,"end");Rw(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(i),r),n.position=o}}else{const n=i.nextSibling;if(n&&(n.is("element","ul")||n.is("element","ol"))){let o=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(!(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")))break;o=e}o&&(s.breakContainer(s.createPositionAfter(o)),s.move(s.createRangeOn(o.parent),s.createPositionAt(e,"end")))}}Rw(s,i,i.nextSibling),Rw(s,i.previousSibling,i)}function Rw(t,e,n){return!e||!n||"ul"!=e.name&&"ol"!=e.name||e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function zw(t){return t.getLastMatchingPosition((t=>t.item.is("uiElement")))}function Fw(t,e){const n=!!e.sameIndent,o=!!e.smallerIndent,i=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(n&&i==t||o&&i>t)return r;r="forward"===e.direction?r.nextSibling:r.previousSibling}return null}function Nw(t,e,n,o){t.ui.componentFactory.add(e,(i=>{const r=t.commands.get(e),s=new pu(i);return s.set({label:n,icon:o,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",(()=>{t.execute(e),t.editing.view.focus()})),s}))}function Ow(t){for(const e of t.getChildren())if("ul"==e.name||"ol"==e.name)return e;return null}function Mw(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:zi.call(this)}function Vw(t){return(e,n,o)=>{const i=o.consumable;if(!i.test(n.item,"insert")||!i.test(n.item,"attribute:listType")||!i.test(n.item,"attribute:listIndent"))return;i.consume(n.item,"insert"),i.consume(n.item,"attribute:listType"),i.consume(n.item,"attribute:listIndent");const r=n.item;Iw(r,Pw(r,o),o,t)}}function Lw(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType"))return;const o=n.mapper.toViewElement(e.item),i=n.writer;i.breakContainer(i.createPositionBefore(o)),i.breakContainer(i.createPositionAfter(o));const r=o.parent,s="numbered"==e.attributeNewValue?"ol":"ul";i.rename(s,r)}function Hw(t,e,n){const o=n.mapper.toViewElement(e.item).parent,i=n.writer;Rw(i,o,o.nextSibling),Rw(i,o.previousSibling,o);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function qw(t,e,n){if("listItem"!=e.item.name){let t=n.mapper.toViewPosition(e.range.start);const o=n.writer,i=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&(t=o.breakContainer(t),"li"==t.parent.name);){const e=t,n=o.createPositionAt(t.parent,"end");if(!e.isEqual(n)){const t=o.remove(o.createRange(e,n));i.push(t)}t=o.createPositionAfter(t.parent)}if(i.length>0){for(let e=0;e<i.length;e++){const n=t.nodeBefore;if(t=o.insert(t,i[e]).end,e>0){const e=Rw(o,n,n.nextSibling);e&&e.parent==n&&t.offset--}}Rw(o,t.nodeBefore,t.nodeAfter)}}}function Ww(t,e,n){const o=n.mapper.toViewPosition(e.position),i=o.nodeBefore,r=o.nodeAfter;Rw(n.writer,i,r)}function jw(t,e,n){if(n.consumable.consume(e.viewItem,{name:!0})){const t=n.writer,o=t.createElement("listItem"),i=function(t){let e=0,n=t.parent;for(;n;){if(n.is("element","li"))e++;else{const t=n.previousSibling;t&&t.is("element","li")&&e++}n=n.parent}return e}(e.viewItem);t.setAttribute("listIndent",i,o);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";if(t.setAttribute("listType",r,o),!n.safeInsert(o,e.modelCursor))return;const s=function(t,e,n){const{writer:o,schema:i}=n;let r=o.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const e=n.convertItem(s,o.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!i.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("element","listItem")?e.modelCursor.parent:Zw(e.modelCursor),r=o.createPositionAfter(t))}return r}(o,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,s),n.updateConversionResult(o,e)}}function Uw(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t){!(e.is("element","li")||Yw(e))&&e._remove()}}}function $w(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let n=!1;for(const e of t)n&&!Yw(e)&&e._remove(),Yw(e)&&(n=!0)}}function Gw(t){return(e,n)=>{if(n.isPhantom)return;const o=n.modelPosition.nodeBefore;if(o&&o.is("element","listItem")){const e=n.mapper.toViewElement(o),i=e.getAncestors().find(Yw),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("element","li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==i){n.viewPosition=t.nextPosition;break}}}}}function Kw(t,[e,n]){let o,i=e.is("documentFragment")?e.getChild(0):e;if(o=n?this.createSelection(n):this.document.selection,i&&i.is("element","listItem")){const t=o.getFirstPosition();let e=null;if(t.parent.is("element","listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("element","listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;i&&i.is("element","listItem");)i._setAttribute("listIndent",i.getAttribute("listIndent")+t),i=i.nextSibling}}}function Zw(t){const e=new Ja({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("element","listItem"));return n.value.item}function Jw(t,e,n,o,i,r){const s=Fw(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=i.mapper,c=i.writer,l=s?s.getAttribute("listIndent"):null;let d;if(s)if(l==t){const t=a.toViewElement(s).parent;d=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=n;d=zw(d);for(const t of[...o.getChildren()])Yw(t)&&(d=c.move(c.createRangeOn(t),d).end,Rw(c,t,t.nextSibling),Rw(c,t.previousSibling,t))}function Yw(t){return t.is("element","ol")||t.is("element","ul")}class Qw extends pe{static get pluginName(){return"ListEditing"}static get requires(){return[Rm,Lm]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,n=t.editing;var o;t.model.document.registerPostFixer((e=>function(t,e){const n=t.document.differ.getChanges(),o=new Map;let i=!1;for(const o of n)if("insert"==o.type&&"listItem"==o.name)r(o.position);else if("insert"==o.type&&"listItem"!=o.name){if("$text"!=o.name){const n=o.position.nodeAfter;n.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",n),i=!0),n.hasAttribute("listType")&&(e.removeAttribute("listType",n),i=!0),n.hasAttribute("listStyle")&&(e.removeAttribute("listStyle",n),i=!0),n.hasAttribute("listReversed")&&(e.removeAttribute("listReversed",n),i=!0),n.hasAttribute("listStart")&&(e.removeAttribute("listStart",n),i=!0);for(const e of 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o=parseInt(n.getAttribute("colspan")||1),i=parseInt(n.getAttribute("rowspan")||1);(o>1||i>1)&&this._recordSpans(n,i,o),this._shouldSkipSlot()||(e=this._formatOutValue(n)),this._nextCellAtColumn=this._column+o}return this._column++,this._column==this._nextCellAtColumn&&this._cellIndex++,e||this.next()}skipRow(t){this._skipRows.add(t)}_advanceToNextRow(){return this._row++,this._rowIndex++,this._column=0,this._cellIndex=0,this._nextCellAtColumn=-1,this.next()}_isOverEndRow(){return void 0!==this._endRow&&this._row>this._endRow}_isOverEndColumn(){return void 0!==this._endColumn&&this._column>this._endColumn}_formatOutValue(t,e=this._row,n=this._column){return{done:!1,value:new __(this,t,e,n)}}_shouldSkipSlot(){const t=this._skipRows.has(this._row),e=this._row<this._startRow,n=this._column<this._startColumn,o=void 0!==this._endColumn&&this._column>this._endColumn;return t||e||n||o}_getSpanned(){const t=this._spannedCells.get(this._row);return t&&t.get(this._column)||null}_recordSpans(t,e,n){const o={cell:t,row:this._row,column:this._column};for(let t=this._row;t<this._row+e;t++)for(let e=this._column;e<this._column+n;e++)t==this._row&&e==this._column||this._markSpannedCell(t,e,o)}_markSpannedCell(t,e,n){this._spannedCells.has(t)||this._spannedCells.set(t,new Map);this._spannedCells.get(t).set(e,n)}}class __{constructor(t,e,n,o){this.cell=e,this.row=t._row,this.column=t._column,this.cellAnchorRow=n,this.cellAnchorColumn=o,this._cellIndex=t._cellIndex,this._rowIndex=t._rowIndex,this._table=t._table}get isAnchor(){return this.row===this.cellAnchorRow&&this.column===this.cellAnchorColumn}get cellWidth(){return parseInt(this.cell.getAttribute("colspan")||1)}get cellHeight(){return parseInt(this.cell.getAttribute("rowspan")||1)}get rowIndex(){return this._rowIndex}getPositionBefore(){return this._table.root.document.model.createPositionAt(this._table.getChild(this.row),this._cellIndex)}}function C_(t={}){return e=>e.on("insert:table",((e,n,o)=>{const i=n.item;if(!o.consumable.consume(i,"insert"))return;o.consumable.consume(i,"attribute:headingRows:table"),o.consumable.consume(i,"attribute:headingColumns:table");const r=t&&t.asWidget,s=o.writer.createContainerElement("figure",{class:"table"}),a=o.writer.createContainerElement("table");let c;var l,d;o.writer.insert(o.writer.createPositionAt(s,0),a),r&&(l=s,(d=o.writer).setCustomProperty("table",!0,l),c=pm(l,d,{hasSelectionHandle:!0}));const u=new w_(i),h={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},p=new Map;for(const e of u){const{row:n,cell:r}=e,s=i.getChild(n),c=p.get(n)||E_(a,s,n,h,o);p.set(n,c),o.consumable.consume(r,"insert");x_(e,h,o.writer.createPositionAt(c,"end"),o,t)}for(const t of i.getChildren()){const e=t.index;t.is("element","tableRow")&&!p.has(e)&&p.set(e,E_(a,t,e,h,o))}const m=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(i,r?c:s),o.writer.insert(m,r?c:s)}))}function A_(t,e){const{writer:n}=e;if(t.parent.is("element","tableCell"))return v_(t)?n.createContainerElement("span",{class:"ck-table-bogus-paragraph"}):n.createContainerElement("p")}function v_(t){return 1===t.parent.childCount&&!T_(t)}function y_(t,e,n){const{cell:o}=t,i=D_(t,e),r=n.mapper.toViewElement(o);r&&r.name!==i&&function(t,e,n){const o=n.writer,i=n.mapper.toViewElement(t),r=km(o.createEditableElement(e,i.getAttributes()),o);o.insert(o.createPositionAfter(i),r),o.move(o.createRangeIn(i),o.createPositionAt(r,0)),o.remove(o.createRangeOn(i)),n.mapper.unbindViewElement(i),n.mapper.bindElements(t,r)}(o,i,n)}function x_(t,e,n,o,i){const r=i&&i.asWidget,s=D_(t,e),a=r?km(o.writer.createEditableElement(s),o.writer):o.writer.createContainerElement(s),c=t.cell,l=c.getChild(0),d=1===c.childCount&&"paragraph"===l.name;if(o.writer.insert(n,a),o.mapper.bindElements(c,a),!r&&d&&!T_(l)){const t=c.getChild(0);o.consumable.consume(t,"insert"),o.mapper.bindElements(t,a)}}function E_(t,e,n,o,i){i.consumable.consume(e,"insert");const r=e.isEmpty?i.writer.createEmptyElement("tr"):i.writer.createContainerElement("tr");i.mapper.bindElements(e,r);const s=o.headingRows,a=function(t,e,n){const o=S_(t,e);return o||function(t,e,n){const o=n.writer.createContainerElement(t),i=n.writer.createPositionAt(e,"tbody"==t?"end":0);return n.writer.insert(i,o),o}(t,e,n)}(function(t,e){return t<e.headingRows?"thead":"tbody"}(n,o),t,i),c=s>0&&n>=s?n-s:n,l=i.writer.createPositionAt(a,c);return i.writer.insert(l,r),r}function D_(t,e){const{row:n,column:o}=t,{headingColumns:i,headingRows:r}=e;if(r&&r>n)return"th";return i&&i>o?"th":"td"}function S_(t,e){for(const n of e.getChildren())if(n.name==t)return n}function B_(t,e,n){const o=S_(t,e);o&&0===o.childCount&&n.writer.remove(n.writer.createRangeOn(o))}function T_(t){return!![...t.getAttributeKeys()].length}class P_ extends ge{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema;this.isEnabled=function(t,e){const n=t.getFirstPosition().parent,o=n===n.root?n:n.parent;return e.checkChild(o,"table")}(e,n)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=this.editor.plugins.get("TableUtils"),i=this.editor.config.get("table"),r=wm(n,e),s=i.defaultHeadings.rows,a=i.defaultHeadings.columns;void 0===t.headingRows&&s&&(t.headingRows=s),void 0===t.headingColumns&&a&&(t.headingColumns=a),e.change((n=>{const i=o.createTable(n,t);e.insertContent(i,r),n.setSelection(n.createPositionAt(i.getNodeByPath([0,0,0]),0))}))}}function I_(t){const e=[];for(const n of M_(t.getRanges())){const t=n.getContainedElement();t&&t.is("element","tableCell")&&e.push(t)}return e}function R_(t){const e=[];for(const n of t.getRanges()){const t=n.start.findAncestor("tableCell");t&&e.push(t)}return e}function z_(t){const e=I_(t);return e.length?e:R_(t)}function F_(t){const e=t.map((t=>t.parent.index));return V_(e)}function N_(t){const e=t[0].findAncestor("table");return V_([...new w_(e)].filter((e=>t.includes(e.cell))).map((t=>t.column)))}function O_(t,e){if(t.length<2||!function(t){const e=t[0].findAncestor("table"),n=F_(t),o=parseInt(e.getAttribute("headingRows")||0);if(!H_(n,o))return!1;const i=parseInt(e.getAttribute("headingColumns")||0);return H_(N_(t),i)}(t))return!1;const n=new Set,o=new Set;let i=0;for(const r of t){const{row:t,column:s}=e.getCellLocation(r),a=parseInt(r.getAttribute("rowspan")||1),c=parseInt(r.getAttribute("colspan")||1);n.add(t),o.add(s),a>1&&n.add(t+a-1),c>1&&o.add(s+c-1),i+=a*c}const r=function(t,e){const n=Array.from(t.values()),o=Array.from(e.values()),i=Math.max(...n),r=Math.min(...n),s=Math.max(...o),a=Math.min(...o);return(i-r+1)*(s-a+1)}(n,o);return r==i}function M_(t){return Array.from(t).sort(L_)}function V_(t){const e=t.sort(((t,e)=>t-e));return{first:e[0],last:e[e.length-1]}}function L_(t,e){const n=t.start,o=e.start;return n.isBefore(o)?-1:1}function H_({first:t,last:e},n){return t<n===e<n}class q_ extends ge{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=!!z_(this.editor.model.document.selection).length;this.isEnabled=t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o="above"===this.order,i=z_(e),r=F_(i),s=o?r.first:r.last,a=i[0].findAncestor("table");n.insertRows(a,{at:o?s:s+1,copyStructureFromAbove:!o})}}class W_ extends ge{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=!!z_(this.editor.model.document.selection).length;this.isEnabled=t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o="left"===this.order,i=z_(e),r=N_(i),s=o?r.first:r.last,a=i[0].findAncestor("table");n.insertColumns(a,{columns:1,at:o?s:s+1})}}class j_ extends ge{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=z_(this.editor.model.document.selection);this.isEnabled=1===t.length}execute(){const t=z_(this.editor.model.document.selection)[0],e="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}function U_(t,e,n){const{startRow:o,startColumn:i,endRow:r,endColumn:s}=e,a=n.createElement("table"),c=r-o+1;for(let t=0;t<c;t++)n.insertElement("tableRow",a,"end");const l=[...new w_(t,{startRow:o,endRow:r,startColumn:i,endColumn:s,includeAllSlots:!0})];for(const{row:t,column:e,cell:c,isAnchor:d,cellAnchorRow:u,cellAnchorColumn:h}of l){const l=t-o,p=a.getChild(l);if(d){const o=n.cloneElement(c);n.append(o,p),J_(o,t,e,r,s,n)}else(u<o||h<i)&&m_(n,n.createPositionAt(p,"end"))}return function(t,e,n,o,i){const r=parseInt(e.getAttribute("headingRows")||0);if(r>0){p_("headingRows",r-n,t,i,0)}const s=parseInt(e.getAttribute("headingColumns")||0);if(s>0){p_("headingColumns",s-o,t,i,0)}}(a,t,o,i,n),a}function $_(t,e,n=0){const o=[],i=new w_(t,{startRow:n,endRow:e-1});for(const t of i){const{row:n,cellHeight:i}=t,r=n+i-1;n<e&&e<=r&&o.push(t)}return o}function G_(t,e,n){const o=t.parent,i=o.parent,r=o.index,s=e-r,a={},c=parseInt(t.getAttribute("rowspan"))-s;c>1&&(a.rowspan=c);const l=parseInt(t.getAttribute("colspan")||1);l>1&&(a.colspan=l);const d=r+s,u=[...new w_(i,{startRow:r,endRow:d,includeAllSlots:!0})];let h,p=null;for(const e of u){const{row:o,column:i,cell:r}=e;r===t&&void 0===h&&(h=i),void 0!==h&&h===i&&o===d&&(p=m_(n,e.getPositionBefore(),a))}return p_("rowspan",s,t,n),p}function K_(t,e){const n=[],o=new w_(t);for(const t of o){const{column:o,cellWidth:i}=t,r=o+i-1;o<e&&e<=r&&n.push(t)}return n}function Z_(t,e,n,o){const i=n-e,r={},s=parseInt(t.getAttribute("colspan"))-i;s>1&&(r.colspan=s);const a=parseInt(t.getAttribute("rowspan")||1);a>1&&(r.rowspan=a);const c=m_(o,o.createPositionAfter(t),r);return p_("colspan",i,t,o),c}function J_(t,e,n,o,i,r){const s=parseInt(t.getAttribute("colspan")||1),a=parseInt(t.getAttribute("rowspan")||1);if(n+s-1>i){p_("colspan",i-n+1,t,r,1)}if(e+a-1>o){p_("rowspan",o-e+1,t,r,1)}}function Y_(t,e){const n=e.getColumns(t),o=new Array(n).fill(0);for(const{column:e}of new w_(t))o[e]++;const i=o.reduce(((t,e,n)=>e?t:[...t,n]),[]);if(i.length>0){const n=i[i.length-1];return e.removeColumns(t,{at:n}),!0}return!1}function Q_(t,e){const n=[],o=e.getRows(t);for(let e=0;e<o;e++){t.getChild(e).isEmpty&&n.push(e)}if(n.length>0){const o=n[n.length-1];return e.removeRows(t,{at:o}),!0}return!1}function X_(t,e){Y_(t,e)||Q_(t,e)}function tC(t,e){const n=Array.from(new w_(t,{startColumn:e.firstColumn,endColumn:e.lastColumn,row:e.lastRow}));if(n.every((({cellHeight:t})=>1===t)))return e.lastRow;const o=n[0].cellHeight-1;return e.lastRow+o}function eC(t,e){const n=Array.from(new w_(t,{startRow:e.firstRow,endRow:e.lastRow,column:e.lastColumn}));if(n.every((({cellWidth:t})=>1===t)))return e.lastColumn;const o=n[0].cellWidth-1;return e.lastColumn+o}class nC extends ge{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.value=t,this.isEnabled=!!t}execute(){const t=this.editor.model,e=R_(t.document.selection)[0],n=this.value,o=this.direction;t.change((t=>{const i="right"==o||"down"==o,r=i?e:n,s=i?n:e,a=s.parent;!function(t,e,n){oC(t)||(oC(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end")));n.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),d=parseInt(n.getAttribute(c)||1);t.setAttribute(c,l+d,r),t.setSelection(t.createRangeIn(r));const u=this.editor.plugins.get("TableUtils");X_(a.findAncestor("table"),u)}))}_getMergeableCell(){const t=R_(this.editor.model.document.selection)[0];if(!t)return;const e=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(t,e,n){const o=t.parent.parent,i="right"==e?t.nextSibling:t.previousSibling,r=(o.getAttribute("headingColumns")||0)>0;if(!i)return;const s="right"==e?t:i,a="right"==e?i:t,{column:c}=n.getCellLocation(s),{column:l}=n.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),u=g_(n,s),h=g_(n,a);if(r&&u!=h)return;return c+d===l?i:void 0}(t,this.direction,e):function(t,e,n){const o=t.parent,i=o.parent,r=i.getChildIndex(o);if("down"==e&&r===n.getRows(i)-1||"up"==e&&0===r)return;const s=parseInt(t.getAttribute("rowspan")||1),a=i.getAttribute("headingRows")||0,c="down"==e&&r+s===a,l="up"==e&&r===a;if(a&&(c||l))return;const d=parseInt(t.getAttribute("rowspan")||1),u="down"==e?r+d:r,h=[...new w_(i,{endRow:u})],p=h.find((e=>e.cell===t)).column,m=h.find((({row:t,cellHeight:n,column:o})=>o===p&&("down"==e?t===u:u===t+n)));return m&&m.cell}(t,this.direction,e);if(!n)return;const o=this.isHorizontal?"rowspan":"colspan",i=parseInt(t.getAttribute(o)||1);return parseInt(n.getAttribute(o)||1)===i?n:void 0}}function oC(t){return 1==t.childCount&&t.getChild(0).is("element","paragraph")&&t.getChild(0).isEmpty}class iC extends ge{refresh(){const t=z_(this.editor.model.document.selection),e=t[0];if(e){const n=e.findAncestor("table"),o=this.editor.plugins.get("TableUtils").getRows(n)-1,i=F_(t),r=0===i.first&&i.last===o;this.isEnabled=!r}else this.isEnabled=!1}execute(){const t=this.editor.model,e=this.editor.plugins.get("TableUtils"),n=z_(t.document.selection),o=F_(n),i=n[0],r=i.findAncestor("table"),s=e.getCellLocation(i).column;t.change((t=>{const n=o.last-o.first+1;e.removeRows(r,{at:o.first,rows:n});const i=function(t,e,n,o){const i=t.getChild(Math.min(e,o-1));let r=i.getChild(0),s=0;for(const t of i.getChildren()){if(s>n)return r;r=t,s+=parseInt(t.getAttribute("colspan")||1)}return r}(r,o.first,s,e.getRows(r));t.setSelection(t.createPositionAt(i,0))}))}}class rC extends ge{refresh(){const t=z_(this.editor.model.document.selection),e=t[0];if(e){const n=e.findAncestor("table"),o=this.editor.plugins.get("TableUtils").getColumns(n),{first:i,last:r}=N_(t);this.isEnabled=r-i<o-1}else this.isEnabled=!1}execute(){const[t,e]=function(t){const e=z_(t),n=e[0],o=e.pop(),i=[n,o];return n.isBefore(o)?i:i.reverse()}(this.editor.model.document.selection),n=t.parent.parent,o=[...new w_(n)],i={first:o.find((e=>e.cell===t)).column,last:o.find((t=>t.cell===e)).column},r=function(t,e,n,o){return parseInt(n.getAttribute("colspan")||1)>1?n:e.previousSibling||n.nextSibling?n.nextSibling||e.previousSibling:o.first?t.reverse().find((({column:t})=>t<o.first)).cell:t.reverse().find((({column:t})=>t>o.last)).cell}(o,t,e,i);this.editor.model.change((t=>{const e=i.last-i.first+1;this.editor.plugins.get("TableUtils").removeColumns(n,{at:i.first,columns:e}),t.setSelection(t.createPositionAt(r,0))}))}}class sC extends ge{refresh(){const t=z_(this.editor.model.document.selection),e=t.length>0;this.isEnabled=e,this.value=e&&t.every((t=>this._isInHeading(t,t.parent.parent)))}execute(t={}){if(t.forceValue===this.value)return;const e=this.editor.model,n=z_(e.document.selection),o=n[0].findAncestor("table"),{first:i,last:r}=F_(n),s=this.value?i:r+1,a=o.getAttribute("headingRows")||0;e.change((t=>{if(s){const e=$_(o,s,s>a?a:0);for(const{cell:n}of e)G_(n,s,t)}p_("headingRows",s,o,t,0)}))}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}class aC extends ge{refresh(){const t=z_(this.editor.model.document.selection),e=this.editor.plugins.get("TableUtils"),n=t.length>0;this.isEnabled=n,this.value=n&&t.every((t=>g_(e,t)))}execute(t={}){if(t.forceValue===this.value)return;const e=this.editor.model,n=z_(e.document.selection),o=n[0].findAncestor("table"),{first:i,last:r}=N_(n),s=this.value?i:r+1;e.change((t=>{if(s){const e=K_(o,s);for(const{cell:n,column:o}of e)Z_(n,o,s,t)}p_("headingColumns",s,o,t,0)}))}}class cC extends pe{static get pluginName(){return"TableUtils"}init(){this.decorate("insertColumns"),this.decorate("insertRows")}getCellLocation(t){const e=t.parent,n=e.parent,o=n.getChildIndex(e),i=new w_(n,{row:o});for(const{cell:e,row:n,column:o}of i)if(e===t)return{row:n,column:o}}createTable(t,e){const n=t.createElement("table"),o=parseInt(e.rows)||2,i=parseInt(e.columns)||2;return lC(t,n,0,o,i),e.headingRows&&p_("headingRows",Math.min(e.headingRows,o),n,t,0),e.headingColumns&&p_("headingColumns",Math.min(e.headingColumns,i),n,t,0),n}insertRows(t,e={}){const n=this.editor.model,o=e.at||0,i=e.rows||1,r=void 0!==e.copyStructureFromAbove,a=e.copyStructureFromAbove?o-1:o,c=this.getRows(t),l=this.getColumns(t);if(o>c)throw new s("tableutils-insertrows-insert-out-of-range",this,{options:e});n.change((e=>{const n=t.getAttribute("headingRows")||0;if(n>o&&p_("headingRows",n+i,t,e,0),!r&&(0===o||o===c))return void lC(e,t,o,i,l);const s=r?Math.max(o,a):o,d=new w_(t,{endRow:s}),u=new Array(l).fill(1);for(const{row:t,column:n,cellHeight:s,cellWidth:c,cell:l}of d){const d=t+s-1,h=t<=a&&a<=d;t<o&&o<=d?(e.setAttribute("rowspan",s+i,l),u[n]=-c):r&&h&&(u[n]=c)}for(let n=0;n<i;n++){const n=e.createElement("tableRow");e.insert(n,t,o);for(let t=0;t<u.length;t++){const o=u[t],i=e.createPositionAt(n,"end");o>0&&m_(e,i,o>1?{colspan:o}:null),t+=Math.abs(o)-1}}}))}insertColumns(t,e={}){const n=this.editor.model,o=e.at||0,i=e.columns||1;n.change((e=>{const n=t.getAttribute("headingColumns");o<n&&e.setAttribute("headingColumns",n+i,t);const r=this.getColumns(t);if(0===o||r===o){for(const n of t.getChildren())n.is("element","tableRow")&&dC(i,e,e.createPositionAt(n,o?"end":0));return}const s=new w_(t,{column:o,includeAllSlots:!0});for(const t of s){const{row:n,cell:r,cellAnchorColumn:a,cellAnchorRow:c,cellWidth:l,cellHeight:d}=t;if(a<o){e.setAttribute("colspan",l+i,r);const t=c+d-1;for(let e=n;e<=t;e++)s.skipRow(e)}else dC(i,e,t.getPositionBefore())}}))}removeRows(t,e){const n=this.editor.model,o=e.rows||1,i=this.getRows(t),r=e.at,a=r+o-1;if(a>i-1)throw new s("tableutils-removerows-row-index-out-of-range",this,{table:t,options:e});n.change((e=>{const{cellsToMove:n,cellsToTrim:o}=function(t,e,n){const o=new Map,i=[];for(const{row:r,column:s,cellHeight:a,cell:c}of new w_(t,{endRow:n})){const t=r+a-1;if(r>=e&&r<=n&&t>n){const t=a-(n-r+1);o.set(s,{cell:c,rowspan:t})}if(r<e&&t>=e){let o;o=t>=n?n-e+1:t-e+1,i.push({cell:c,rowspan:a-o})}}return{cellsToMove:o,cellsToTrim:i}}(t,r,a);if(n.size){!function(t,e,n,o){const i=[...new w_(t,{includeAllSlots:!0,row:e})],r=t.getChild(e);let s;for(const{column:t,cell:e,isAnchor:a}of i)if(n.has(t)){const{cell:e,rowspan:i}=n.get(t),a=s?o.createPositionAfter(s):o.createPositionAt(r,0);o.move(o.createRangeOn(e),a),p_("rowspan",i,e,o),s=e}else a&&(s=e)}(t,a+1,n,e)}for(let n=a;n>=r;n--)e.remove(t.getChild(n));for(const{rowspan:t,cell:n}of o)p_("rowspan",t,n,e);!function(t,e,n,o){const i=t.getAttribute("headingRows")||0;if(e<i){p_("headingRows",n<i?i-(n-e+1):e,t,o,0)}}(t,r,a,e),Y_(t,this)||Q_(t,this)}))}removeColumns(t,e){const n=this.editor.model,o=e.at,i=e.columns||1,r=e.at+i-1;n.change((e=>{!function(t,e,n){const o=t.getAttribute("headingColumns")||0;if(o&&e.first<o){const i=Math.min(o-1,e.last)-e.first+1;n.setAttribute("headingColumns",o-i,t)}}(t,{first:o,last:r},e);for(let n=r;n>=o;n--)for(const{cell:o,column:i,cellWidth:r}of[...new w_(t)])i<=n&&r>1&&i+r>n?p_("colspan",r-1,o,e):i===n&&e.remove(o);Q_(t,this)||Y_(t,this)}))}splitCellVertically(t,e=2){const n=this.editor.model,o=t.parent.parent,i=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);n.change((n=>{if(r>1){const{newCellsSpan:o,updatedSpan:s}=uC(r,e);p_("colspan",s,t,n);const a={};o>1&&(a.colspan=o),i>1&&(a.rowspan=i);dC(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new w_(o)],{column:c}=a.find((({cell:e})=>e===t)),l=a.filter((({cell:e,cellWidth:n,column:o})=>e!==t&&o===c||o<c&&o+n>c));for(const{cell:t,cellWidth:e}of l)n.setAttribute("colspan",e+s,t);const d={};i>1&&(d.rowspan=i),dC(s,n,n.createPositionAfter(t),d);const u=o.getAttribute("headingColumns")||0;u>c&&p_("headingColumns",u+s,o,n)}}))}splitCellHorizontally(t,e=2){const n=this.editor.model,o=t.parent,i=o.parent,r=i.getChildIndex(o),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);n.change((n=>{if(s>1){const o=[...new w_(i,{startRow:r,endRow:r+s-1,includeAllSlots:!0})],{newCellsSpan:c,updatedSpan:l}=uC(s,e);p_("rowspan",l,t,n);const{column:d}=o.find((({cell:e})=>e===t)),u={};c>1&&(u.rowspan=c),a>1&&(u.colspan=a);for(const t of o){const{column:e,row:o}=t,i=e===d,s=(o+r+l)%c==0;o>=r+l&&i&&s&&dC(1,n,t.getPositionBefore(),u)}}if(s<e){const o=e-s,c=[...new w_(i,{startRow:0,endRow:r})];for(const{cell:e,cellHeight:i,row:s}of c)if(e!==t&&s+i>r){const t=i+o;n.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),lC(n,i,r+1,o,1,l);const d=i.getAttribute("headingRows")||0;d>r&&p_("headingRows",d+o,i,n)}}))}getColumns(t){return[...t.getChild(0).getChildren()].reduce(((t,e)=>t+parseInt(e.getAttribute("colspan")||1)),0)}getRows(t){return Array.from(t.getChildren()).reduce(((t,e)=>e.is("element","tableRow")?t+1:t),0)}}function lC(t,e,n,o,i,r={}){for(let s=0;s<o;s++){const o=t.createElement("tableRow");t.insert(o,e,n),dC(i,t,t.createPositionAt(o,"end"),r)}}function dC(t,e,n,o={}){for(let i=0;i<t;i++)m_(e,n,o)}function uC(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}class hC extends ge{refresh(){const t=I_(this.editor.model.document.selection);this.isEnabled=O_(t,this.editor.plugins.get(cC))}execute(){const t=this.editor.model,e=this.editor.plugins.get(cC);t.change((n=>{const o=I_(t.document.selection),i=o.shift(),{mergeWidth:r,mergeHeight:s}=function(t,e,n){let o=0,i=0;for(const t of e){const{row:e,column:r}=n.getCellLocation(t);o=gC(t,r,o,"colspan"),i=gC(t,e,i,"rowspan")}const{row:r,column:s}=n.getCellLocation(t);return{mergeWidth:o-s,mergeHeight:i-r}}(i,o,e);p_("colspan",r,i,n),p_("rowspan",s,i,n);for(const t of o)pC(t,i,n);X_(i.findAncestor("table"),e),n.setSelection(i,"in")}))}}function pC(t,e,n){mC(t)||(mC(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end"))),n.remove(t)}function mC(t){return 1==t.childCount&&t.getChild(0).is("element","paragraph")&&t.getChild(0).isEmpty}function gC(t,e,n,o){const i=parseInt(t.getAttribute(o)||1);return Math.max(n,e+i)}class fC extends ge{constructor(t){super(t),this.affectsData=!1}refresh(){const t=z_(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model,e=z_(t.document.selection),n=F_(e),o=e[0].findAncestor("table"),i=[];for(let e=n.first;e<=n.last;e++)for(const n of o.getChild(e).getChildren())i.push(t.createRangeOn(n));t.change((t=>{t.setSelection(i)}))}}class bC extends ge{constructor(t){super(t),this.affectsData=!1}refresh(){const t=z_(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model,e=z_(t.document.selection),n=e[0],o=e.pop(),i=n.findAncestor("table"),r=this.editor.plugins.get("TableUtils"),s=r.getCellLocation(n),a=r.getCellLocation(o),c=Math.min(s.column,a.column),l=Math.max(s.column,a.column),d=[];for(const e of new w_(i,{startColumn:c,endColumn:l}))d.push(t.createRangeOn(e.cell));t.change((t=>{t.setSelection(d)}))}}function kC(t){t.document.registerPostFixer((e=>function(t,e){const n=e.document.differ.getChanges();let o=!1;const i=new Set;for(const e of n){let n;"table"==e.name&&"insert"==e.type&&(n=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(n=e.position.findAncestor("table")),CC(e)&&(n=e.range.start.findAncestor("table")),n&&!i.has(n)&&(o=wC(n,t)||o,o=_C(n,t)||o,i.add(n))}return o}(e,t)))}function wC(t,e){let n=!1;const o=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=Array.from(t.getChildren()).reduce(((t,e)=>e.is("element","tableRow")?t+1:t),0),o=[];for(const{row:i,cell:r,cellHeight:s}of new w_(t)){if(s<2)continue;const t=i<e?e:n;if(i+s>t){const e=t-i;o.push({cell:r,rowspan:e})}}return o}(t);if(o.length){n=!0;for(const t of o)p_("rowspan",t.rowspan,t.cell,e,1)}return n}function _C(t,e){let n=!1;const o=function(t){const e=new Array(t.childCount).fill(0);for(const{rowIndex:n}of new w_(t,{includeAllSlots:!0}))e[n]++;return e}(t),i=[];for(const[e,n]of o.entries())!n&&t.getChild(e).is("element","tableRow")&&i.push(e);if(i.length){n=!0;for(const n of i.reverse())e.remove(t.getChild(n)),o.splice(n,1)}const r=o.filter(((e,n)=>t.getChild(n).is("element","tableRow"))),s=r[0];if(!r.every((t=>t===s))){const o=r.reduce(((t,e)=>e>t?e:t),0);for(const[i,s]of r.entries()){const r=o-s;if(r){for(let n=0;n<r;n++)m_(e,e.createPositionAt(t.getChild(i),"end"));n=!0}}}return n}function CC(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function AC(t){t.document.registerPostFixer((e=>function(t,e){const n=e.document.differ.getChanges();let o=!1;for(const e of n)"insert"==e.type&&"table"==e.name&&(o=vC(e.position.nodeAfter,t)||o),"insert"==e.type&&"tableRow"==e.name&&(o=yC(e.position.nodeAfter,t)||o),"insert"==e.type&&"tableCell"==e.name&&(o=xC(e.position.nodeAfter,t)||o),EC(e)&&(o=xC(e.position.parent,t)||o);return o}(e,t)))}function vC(t,e){let n=!1;for(const o of t.getChildren())o.is("element","tableRow")&&(n=yC(o,e)||n);return n}function yC(t,e){let n=!1;for(const o of t.getChildren())n=xC(o,e)||n;return n}function xC(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const n=Array.from(t.getChildren()).filter((t=>t.is("$text")));for(const t of n)e.wrap(e.createRangeOn(t),"paragraph");return!!n.length}function EC(t){return!(!t.position||!t.position.parent.is("element","tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}function DC(t,e){t.document.registerPostFixer((()=>function(t,e){const n=new Set;for(const e of t.getChanges()){const t="attribute"==e.type?e.range.start.parent:e.position.parent;t.is("element","tableCell")&&n.add(t)}for(const o of n.values())for(const n of[...o.getChildren()].filter((t=>SC(t,e))))t.refreshItem(n);return!1}(t.document.differ,e)))}function SC(t,e){if(!t.is("element","paragraph"))return!1;const n=e.toViewElement(t);return!!n&&v_(t)!==n.is("element","span")}function BC(t){t.document.registerPostFixer((()=>function(t){const e=t.document.differ,n=new Set;for(const t of e.getChanges())if("attribute"===t.type){const e=t.range.start.nodeAfter;e&&e.is("element","table")&&"headingRows"===t.attributeKey&&n.add(e)}else if("insert"===t.type||"remove"===t.type)if("tableRow"===t.name){const e=t.position.findAncestor("table"),o=e.getAttribute("headingRows")||0;t.position.offset<o&&n.add(e)}else if("tableCell"===t.name){const e=t.position.findAncestor("table"),o=e.getAttribute("headingColumns")||0;t.position.offset<o&&n.add(e)}if(n.size){for(const t of n.values())e.refreshItem(t);return!0}return!1}(t)))}var TC=n(4777),PC={attributes:{"data-cke":!0}};PC.setAttributes=is(),PC.insert=ns().bind(null,"head"),PC.domAPI=ts(),PC.insertStyleElement=ss();Qr()(TC.Z,PC);TC.Z&&TC.Z.locals&&TC.Z.locals;class IC extends pe{static get pluginName(){return"TableEditing"}init(){const t=this.editor,e=t.model,n=e.schema,o=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowChildren:"$block",allowAttributes:["colspan","rowspan"],isLimit:!0,isSelectable:!0}),o.for("upcast").add((t=>{t.on("element:figure",((t,e,n)=>{if(!n.consumable.test(e.viewItem,{name:!0,classes:"table"}))return;const o=function(t){for(const e of t.getChildren())if(e.is("element","table"))return e}(e.viewItem);if(!o||!n.consumable.test(o,{name:!0}))return;n.consumable.consume(e.viewItem,{name:!0,classes:"table"});const i=Ta(n.convertItem(o,e.modelCursor).modelRange.getItems());i?(n.convertChildren(e.viewItem,n.writer.createPositionAt(i,"end")),n.updateConversionResult(i,e)):n.consumable.revert(e.viewItem,{name:!0,classes:"table"})}))})),o.for("upcast").add(f_()),o.for("editingDowncast").add(C_({asWidget:!0})),o.for("dataDowncast").add(C_()),o.for("upcast").elementToElement({model:"tableRow",view:"tr"}),o.for("upcast").add((t=>{t.on("element:tr",((t,e)=>{e.viewItem.isEmpty&&0==e.modelCursor.index&&t.stop()}),{priority:"high"})})),o.for("editingDowncast").add((t=>t.on("insert:tableRow",((t,e,n)=>{const o=e.item;if(!n.consumable.consume(o,"insert"))return;const i=o.parent,r=function(t){for(const e of t.getChildren())if("table"===e.name)return e}(n.mapper.toViewElement(i)),s=i.getChildIndex(o),a=new w_(i,{row:s}),c={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},l=new Map;for(const t of a){const e=l.get(s)||E_(r,o,s,c,n);l.set(s,e),n.consumable.consume(t.cell,"insert"),x_(t,c,n.writer.createPositionAt(e,"end"),n,{asWidget:!0})}})))),o.for("editingDowncast").add((t=>t.on("remove:tableRow",((t,e,n)=>{t.stop();const o=n.writer,i=n.mapper,r=i.toViewPosition(e.position).getLastMatchingPosition((t=>!t.item.is("element","tr"))).nodeAfter,s=r.parent.parent,a=o.createRangeOn(r),c=o.remove(a);for(const t of o.createRangeIn(c).getItems())i.unbindViewElement(t);B_("thead",s,n),B_("tbody",s,n)}),{priority:"higher"}))),o.for("upcast").elementToElement({model:"tableCell",view:"td"}),o.for("upcast").elementToElement({model:"tableCell",view:"th"}),o.for("upcast").add(b_("td")),o.for("upcast").add(b_("th")),o.for("editingDowncast").add((t=>t.on("insert:tableCell",((t,e,n)=>{const o=e.item;if(!n.consumable.consume(o,"insert"))return;const i=o.parent,r=i.parent,s=r.getChildIndex(i),a=new w_(r,{row:s}),c={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0};for(const t of a)if(t.cell===o){const e=n.mapper.toViewElement(i);return void x_(t,c,n.writer.createPositionAt(e,i.getChildIndex(o)),n,{asWidget:!0})}})))),o.for("editingDowncast").elementToElement({model:"paragraph",view:A_,converterPriority:"high"}),o.for("downcast").attributeToAttribute({model:"colspan",view:"colspan"}),o.for("upcast").attributeToAttribute({model:{key:"colspan",value:RC("colspan")},view:"colspan"}),o.for("downcast").attributeToAttribute({model:"rowspan",view:"rowspan"}),o.for("upcast").attributeToAttribute({model:{key:"rowspan",value:RC("rowspan")},view:"rowspan"}),o.for("editingDowncast").add((t=>t.on("attribute:headingColumns:table",((t,e,n)=>{const o=e.item;if(!n.consumable.consume(e.item,t.name))return;const i={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},r=e.attributeOldValue,s=e.attributeNewValue,a=(r>s?r:s)-1;for(const t of new w_(o,{endColumn:a}))y_(t,i,n)})))),t.data.mapper.on("modelToViewPosition",((t,e)=>{const n=e.modelPosition.parent,o=e.modelPosition.nodeBefore;if(!n.is("element","tableCell"))return;if(!o||!o.is("element","paragraph"))return;const i=e.mapper.toViewElement(o),r=e.mapper.toViewElement(n);i===r&&(e.viewPosition=e.mapper.findPositionIn(r,o.maxOffset))})),t.config.define("table.defaultHeadings.rows",0),t.config.define("table.defaultHeadings.columns",0),t.commands.add("insertTable",new P_(t)),t.commands.add("insertTableRowAbove",new q_(t,{order:"above"})),t.commands.add("insertTableRowBelow",new q_(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new W_(t,{order:"left"})),t.commands.add("insertTableColumnRight",new W_(t,{order:"right"})),t.commands.add("removeTableRow",new iC(t)),t.commands.add("removeTableColumn",new rC(t)),t.commands.add("splitTableCellVertically",new j_(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new j_(t,{direction:"horizontally"})),t.commands.add("mergeTableCells",new hC(t)),t.commands.add("mergeTableCellRight",new nC(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new nC(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new nC(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new nC(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new aC(t)),t.commands.add("setTableRowHeader",new sC(t)),t.commands.add("selectTableRow",new fC(t)),t.commands.add("selectTableColumn",new bC(t)),BC(e),kC(e),DC(e,t.editing.mapper),AC(e)}static get requires(){return[cC]}}function RC(t){return e=>{const n=parseInt(e.getAttribute(t));return Number.isNaN(n)||n<=0?null:n}}var zC=n(8085),FC={attributes:{"data-cke":!0}};FC.setAttributes=is(),FC.insert=ns().bind(null,"head"),FC.domAPI=ts(),FC.insertStyleElement=ss();Qr()(zC.Z,FC);zC.Z&&zC.Z.locals&&zC.Z.locals;class NC extends Od{constructor(t){super(t);const e=this.bindTemplate;this.items=this._createGridCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",((t,e)=>`${e} × ${t}`)),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},on:{"mouseover@.ck-insert-table-dropdown-grid-box":e.to("boxover")},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to((t=>{t.preventDefault()})),click:e.to((()=>{this.fire("execute")}))}}),this.on("boxover",((t,e)=>{const{row:n,column:o}=e.target.dataset;this.set({rows:parseInt(n),columns:parseInt(o)})})),this.on("change:columns",(()=>{this._highlightGridBoxes()})),this.on("change:rows",(()=>{this._highlightGridBoxes()}))}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map(((n,o)=>{const i=Math.floor(o/10)<t&&o%10<e;n.set("isOn",i)}))}_createGridCollection(){const t=[];for(let e=0;e<100;e++){const n=Math.floor(e/10),o=e%10;t.push(new OC(this.locale,n+1,o+1))}return this.createCollection(t)}}class OC extends Od{constructor(t,e,n){super(t);const o=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",o.if("isOn","ck-on")],"data-row":e,"data-column":n}})}}class MC extends pe{static get pluginName(){return"TableUI"}init(){const t=this.editor,e=this.editor.t,n="ltr"===t.locale.contentLanguageDirection;t.ui.componentFactory.add("insertTable",(n=>{const o=t.commands.get("insertTable"),i=nh(n);let r;return i.bind("isEnabled").to(o),i.buttonView.set({icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z"/></svg>',label:e("Insert table"),tooltip:!0}),i.on("change:isOpen",(()=>{r||(r=new NC(n),i.panelView.children.add(r),r.delegate("execute").to(i),i.buttonView.on("open",(()=>{r.rows=0,r.columns=0})),i.on("execute",(()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()})))})),i})),t.ui.componentFactory.add("tableColumn",(t=>{const o=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("Header column"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:e("Insert column left")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:e("Insert column right")}},{type:"button",model:{commandName:"removeTableColumn",label:e("Delete column")}},{type:"button",model:{commandName:"selectTableColumn",label:e("Select column")}}];return this._prepareDropdown(e("Column"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>',o,t)})),t.ui.componentFactory.add("tableRow",(t=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("Header row"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowAbove",label:e("Insert row above")}},{type:"button",model:{commandName:"insertTableRowBelow",label:e("Insert row below")}},{type:"button",model:{commandName:"removeTableRow",label:e("Delete row")}},{type:"button",model:{commandName:"selectTableRow",label:e("Select row")}}];return this._prepareDropdown(e("Row"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',n,t)})),t.ui.componentFactory.add("mergeTableCells",(t=>{const o=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("Merge cell up")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:e("Merge cell right")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("Merge cell down")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:e("Merge cell left")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("Split cell vertically")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("Split cell horizontally")}}];return this._prepareMergeSplitButtonDropdown(e("Merge cells"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>',o,t)}))}_prepareDropdown(t,e,n,o){const i=this.editor,r=nh(o),s=this._fillDropdownWithListOptions(r,n);return r.buttonView.set({label:t,icon:e,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",((...t)=>t.some((t=>t)))),this.listenTo(r,"execute",(t=>{i.execute(t.source.commandName),i.editing.view.focus()})),r}_prepareMergeSplitButtonDropdown(t,e,n,o){const i=this.editor,r=nh(o,Pu),s="mergeTableCells",a=i.commands.get(s),c=this._fillDropdownWithListOptions(r,n);return r.buttonView.set({label:t,icon:e,tooltip:!0,isEnabled:!0}),r.bind("isEnabled").toMany([a,...c],"isEnabled",((...t)=>t.some((t=>t)))),this.listenTo(r.buttonView,"execute",(()=>{i.execute(s),i.editing.view.focus()})),this.listenTo(r,"execute",(t=>{i.execute(t.source.commandName),i.editing.view.focus()})),r}_fillDropdownWithListOptions(t,e){const n=this.editor,o=[],i=new So;for(const t of e)VC(t,n,o,i);return ih(t,i,n.ui.componentFactory),o}}function VC(t,e,n,o){const i=t.model=new Eh(t.model),{commandName:r,bindIsOn:s}=t.model;if("button"===t.type||"switchbutton"===t.type){const t=e.commands.get(r);n.push(t),i.set({commandName:r}),i.bind("isEnabled").to(t),s&&i.bind("isOn").to(t,"value")}i.set({withText:!0}),o.add(t)}var LC=n(5593),HC={attributes:{"data-cke":!0}};HC.setAttributes=is(),HC.insert=ns().bind(null,"head"),HC.domAPI=ts(),HC.insertStyleElement=ss();Qr()(LC.Z,HC);LC.Z&&LC.Z.locals&&LC.Z.locals;class qC extends pe{static get pluginName(){return"TableSelection"}static get requires(){return[cC]}init(){const t=this.editor.model;this.listenTo(t,"deleteContent",((t,e)=>this._handleDeleteContent(t,e)),{priority:"high"}),this._defineSelectionConverter(),this._enablePluginDisabling()}getSelectedTableCells(){const t=I_(this.editor.model.document.selection);return 0==t.length?null:t}getSelectionAsFragment(){const t=this.getSelectedTableCells();return t?this.editor.model.change((e=>{const n=e.createDocumentFragment(),o=this.editor.plugins.get("TableUtils"),{first:i,last:r}=N_(t),{first:s,last:a}=F_(t),c=t[0].findAncestor("table");let l=a,d=r;if(O_(t,o)){const t={firstColumn:i,lastColumn:r,firstRow:s,lastRow:a};l=tC(c,t),d=eC(c,t)}const u=U_(c,{startRow:s,startColumn:i,endRow:l,endColumn:d},e);return e.insert(u,n,0),n})):null}setCellSelection(t,e){const n=this._getCellsToSelect(t,e);this.editor.model.change((t=>{t.setSelection(n.cells.map((e=>t.createRangeOn(e))),{backward:n.backward})}))}getFocusCell(){const t=[...this.editor.model.document.selection.getRanges()].pop().getContainedElement();return t&&t.is("element","tableCell")?t:null}getAnchorCell(){const t=Ta(this.editor.model.document.selection.getRanges()).getContainedElement();return t&&t.is("element","tableCell")?t:null}_defineSelectionConverter(){const t=this.editor,e=new Set;t.conversion.for("editingDowncast").add((t=>t.on("selection",((t,n,o)=>{const i=o.writer;!function(t){for(const n of e)t.removeClass("ck-editor__editable_selected",n);e.clear()}(i);const r=this.getSelectedTableCells();if(!r)return;for(const t of r){const n=o.mapper.toViewElement(t);i.addClass("ck-editor__editable_selected",n),e.add(n)}const s=o.mapper.toViewElement(r[r.length-1]);i.setSelection(s,0)}),{priority:"lowest"})))}_enablePluginDisabling(){const t=this.editor;this.on("change:isEnabled",(()=>{if(!this.isEnabled){const e=this.getSelectedTableCells();if(!e)return;t.model.change((n=>{const o=n.createPositionAt(e[0],0),i=t.model.schema.getNearestSelectionRange(o);n.setSelection(i)}))}}))}_handleDeleteContent(t,e){const[n,o]=e,i=this.editor.model,r=!o||"backward"==o.direction,s=I_(n);s.length&&(t.stop(),i.change((t=>{const e=s[r?s.length-1:0];i.change((t=>{for(const e of s)i.deleteContent(t.createSelection(e,"in"))}));const o=i.schema.getNearestSelectionRange(t.createPositionAt(e,0));n.is("documentSelection")?t.setSelection(o):n.setTo(o)})))}_getCellsToSelect(t,e){const n=this.editor.plugins.get("TableUtils"),o=n.getCellLocation(t),i=n.getCellLocation(e),r=Math.min(o.row,i.row),s=Math.max(o.row,i.row),a=Math.min(o.column,i.column),c=Math.max(o.column,i.column),l=new Array(s-r+1).fill(null).map((()=>[])),d={startRow:r,endRow:s,startColumn:a,endColumn:c};for(const{row:e,cell:n}of new w_(t.findAncestor("table"),d))l[e-r].push(n);const u=i.row<o.row,h=i.column<o.column;return u&&l.reverse(),h&&l.forEach((t=>t.reverse())),{cells:l.flat(),backward:u||h}}}class WC extends pe{static get pluginName(){return"TableClipboard"}static get requires(){return[qC,cC]}init(){const t=this.editor,e=t.editing.view.document;this.listenTo(e,"copy",((t,e)=>this._onCopyCut(t,e))),this.listenTo(e,"cut",((t,e)=>this._onCopyCut(t,e))),this.listenTo(t.model,"insertContent",((t,e)=>this._onInsertContent(t,...e)),{priority:"high"}),this.decorate("_replaceTableSlotCell")}_onCopyCut(t,e){const n=this.editor.plugins.get(qC);if(!n.getSelectedTableCells())return;if("cut"==t.name&&this.editor.isReadOnly)return;e.preventDefault(),t.stop();const o=this.editor.data,i=this.editor.editing.view.document,r=o.toView(n.getSelectionAsFragment());i.fire("clipboardOutput",{dataTransfer:e.dataTransfer,content:r,method:t.name})}_onInsertContent(t,e,n){if(n&&!n.is("documentSelection"))return;const o=this.editor.model,i=this.editor.plugins.get(cC);let r=function(t,e){if(!t.is("documentFragment")&&!t.is("element"))return null;if(t.is("element","table"))return t;if(1==t.childCount&&t.getChild(0).is("element","table"))return t.getChild(0);const n=e.createRangeIn(t);for(const t of n.getItems())if(t.is("element","table")){const o=e.createRange(n.start,e.createPositionBefore(t));if(e.hasContent(o,{ignoreWhitespaces:!0}))return null;const i=e.createRange(e.createPositionAfter(t),n.end);return e.hasContent(i,{ignoreWhitespaces:!0})?null:t}return null}(e,o);if(!r)return;const s=z_(o.document.selection);s.length?(t.stop(),o.change((t=>{const e={width:i.getColumns(r),height:i.getRows(r)},n=function(t,e,n,o){const i=t[0].findAncestor("table"),r=N_(t),s=F_(t),a={firstColumn:r.first,lastColumn:r.last,firstRow:s.first,lastRow:s.last},c=1===t.length;c&&(a.lastRow+=e.height-1,a.lastColumn+=e.width-1,function(t,e,n,o){const i=o.getColumns(t),r=o.getRows(t);n>i&&o.insertColumns(t,{at:i,columns:n-i});e>r&&o.insertRows(t,{at:r,rows:e-r})}(i,a.lastRow+1,a.lastColumn+1,o));c||!O_(t,o)?function(t,e,n){const{firstRow:o,lastRow:i,firstColumn:r,lastColumn:s}=e,a={first:o,last:i},c={first:r,last:s};UC(t,r,a,n),UC(t,s+1,a,n),jC(t,o,c,n),jC(t,i+1,c,n,o)}(i,a,n):(a.lastRow=tC(i,a),a.lastColumn=eC(i,a));return a}(s,e,t,i),o=n.lastRow-n.firstRow+1,a=n.lastColumn-n.firstColumn+1,c={startRow:0,startColumn:0,endRow:Math.min(o,e.height)-1,endColumn:Math.min(a,e.width)-1};r=U_(r,c,t);const l=s[0].findAncestor("table"),d=this._replaceSelectedCellsWithPasted(r,e,l,n,t);if(this.editor.plugins.get("TableSelection").isEnabled){const e=M_(d.map((e=>t.createRangeOn(e))));t.setSelection(e)}else t.setSelection(d[0],0)}))):X_(r,i)}_replaceSelectedCellsWithPasted(t,e,n,o,i){const{width:r,height:s}=e,a=function(t,e,n){const o=new Array(n).fill(null).map((()=>new Array(e).fill(null)));for(const{column:e,row:n,cell:i}of new w_(t))o[n][e]=i;return o}(t,r,s),c=[...new w_(n,{startRow:o.firstRow,endRow:o.lastRow,startColumn:o.firstColumn,endColumn:o.lastColumn,includeAllSlots:!0})],l=[];let d;for(const t of c){const{row:e,column:n}=t;n===o.firstColumn&&(d=t.getPositionBefore());const c=e-o.firstRow,u=n-o.firstColumn,h=a[c%s][u%r],p=h?i.cloneElement(h):null,m=this._replaceTableSlotCell(t,p,d,i);m&&(J_(m,e,n,o.lastRow,o.lastColumn,i),l.push(m),d=i.createPositionAfter(m))}const u=parseInt(n.getAttribute("headingRows")||0),h=parseInt(n.getAttribute("headingColumns")||0),p=o.firstRow<u&&u<=o.lastRow,m=o.firstColumn<h&&h<=o.lastColumn;if(p){const t=jC(n,u,{first:o.firstColumn,last:o.lastColumn},i,o.firstRow);l.push(...t)}if(m){const t=UC(n,h,{first:o.firstRow,last:o.lastRow},i);l.push(...t)}return l}_replaceTableSlotCell(t,e,n,o){const{cell:i,isAnchor:r}=t;return r&&o.remove(i),e?(o.insert(e,n),e):null}}function jC(t,e,n,o,i=0){if(e<1)return;return $_(t,e,i).filter((({column:t,cellWidth:e})=>$C(t,e,n))).map((({cell:t})=>G_(t,e,o)))}function UC(t,e,n,o){if(e<1)return;return K_(t,e).filter((({row:t,cellHeight:e})=>$C(t,e,n))).map((({cell:t,column:n})=>Z_(t,n,e,o)))}function $C(t,e,n){const o=t+e-1,{first:i,last:r}=n;return t>=i&&t<=r||t<i&&o>=i}class GC extends pe{static get pluginName(){return"TableKeyboard"}static get requires(){return[qC]}init(){const t=this.editor.editing.view.document;this.editor.keystrokes.set("Tab",((...t)=>this._handleTabOnSelectedTable(...t)),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"}),this.listenTo(t,"arrowKey",((...t)=>this._onArrowKey(...t)),{context:"table"})}_handleTabOnSelectedTable(t,e){const n=this.editor,o=n.model.document.selection.getSelectedElement();o&&o.is("element","table")&&(e(),n.model.change((t=>{t.setSelection(t.createRangeIn(o.getChild(0).getChild(0)))})))}_getTabHandler(t){const e=this.editor;return(n,o)=>{let i=R_(e.model.document.selection)[0];if(i||(i=this.editor.plugins.get("TableSelection").getFocusCell()),!i)return;o();const r=i.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(i),l=0===c;if(!t&&l&&0===a)return void e.model.change((t=>{t.setSelection(t.createRangeOn(s))}));const d=this.editor.plugins.get("TableUtils"),u=c===r.childCount-1,h=a===d.getRows(s)-1;if(t&&h&&u&&(e.execute("insertTableRowBelow"),a===d.getRows(s)-1))return void e.model.change((t=>{t.setSelection(t.createRangeOn(s))}));let p;if(t&&u){const t=s.getChild(a+1);p=t.getChild(0)}else if(!t&&l){const t=s.getChild(a-1);p=t.getChild(t.childCount-1)}else p=r.getChild(c+(t?1:-1));e.model.change((t=>{t.setSelection(t.createRangeIn(p))}))}}_onArrowKey(t,e){const n=this.editor,o=fr(e.keyCode,n.locale.contentLanguageDirection);this._handleArrowKeys(o,e.shiftKey)&&(e.preventDefault(),e.stopPropagation(),t.stop())}_handleArrowKeys(t,e){const n=this.editor.model,o=n.document.selection,i=["right","down"].includes(t),r=I_(o);if(r.length){let n;return n=e?this.editor.plugins.get("TableSelection").getFocusCell():i?r[r.length-1]:r[0],this._navigateFromCellInDirection(n,t,e),!0}const s=o.focus.findAncestor("tableCell");if(!s)return!1;if(!o.isCollapsed)if(e){if(o.isBackward==i&&!o.containsEntireContent(s))return!1}else{const t=o.getSelectedElement();if(!t||!n.schema.isObject(t))return!1}return!!this._isSelectionAtCellEdge(o,s,i)&&(this._navigateFromCellInDirection(s,t,e),!0)}_isSelectionAtCellEdge(t,e,n){const o=this.editor.model,i=this.editor.model.schema,r=n?t.getLastPosition():t.getFirstPosition();if(!i.getLimitElement(r).is("element","tableCell")){return o.createPositionAt(e,n?"end":0).isTouching(r)}const s=o.createSelection(r);return o.modifySelection(s,{direction:n?"forward":"backward"}),r.isEqual(s.focus)}_navigateFromCellInDirection(t,e,n=!1){const o=this.editor.model,i=t.findAncestor("table"),r=[...new w_(i,{includeAllSlots:!0})],{row:s,column:a}=r[r.length-1],c=r.find((({cell:e})=>e==t));let{row:l,column:d}=c;switch(e){case"left":d--;break;case"up":l--;break;case"right":d+=c.cellWidth;break;case"down":l+=c.cellHeight}if(l<0||l>s||d<0&&l<=0||d>a&&l>=s)return void o.change((t=>{t.setSelection(t.createRangeOn(i))}));d<0?(d=n?0:a,l--):d>a&&(d=n?a:0,l++);const u=r.find((t=>t.row==l&&t.column==d)).cell,h=["right","down"].includes(e),p=this.editor.plugins.get("TableSelection");if(n&&p.isEnabled){const e=p.getAnchorCell()||t;p.setCellSelection(e,u)}else{const t=o.createPositionAt(u,h?0:"end");o.change((e=>{e.setSelection(t)}))}}}class KC extends Xs{constructor(t){super(t),this.domEventType=["mousemove","mouseleave"]}onDomEvent(t){this.fire(t.type,t)}}class ZC extends pe{static get pluginName(){return"TableMouse"}static get requires(){return[qC]}init(){this.editor.editing.view.addObserver(KC),this._enableShiftClickSelection(),this._enableMouseDragSelection()}_enableShiftClickSelection(){const t=this.editor;let e=!1;const n=t.plugins.get(qC);this.listenTo(t.editing.view.document,"mousedown",((o,i)=>{if(!this.isEnabled||!n.isEnabled)return;if(!i.domEvent.shiftKey)return;const r=n.getAnchorCell()||R_(t.model.document.selection)[0];if(!r)return;const s=this._getModelTableCellFromDomEvent(i);s&&JC(r,s)&&(e=!0,n.setCellSelection(r,s),i.preventDefault())})),this.listenTo(t.editing.view.document,"mouseup",(()=>{e=!1})),this.listenTo(t.editing.view.document,"selectionChange",(t=>{e&&t.stop()}),{priority:"highest"})}_enableMouseDragSelection(){const t=this.editor;let e,n,o=!1,i=!1;const r=t.plugins.get(qC);this.listenTo(t.editing.view.document,"mousedown",((t,n)=>{this.isEnabled&&r.isEnabled&&(n.domEvent.shiftKey||n.domEvent.ctrlKey||n.domEvent.altKey||(e=this._getModelTableCellFromDomEvent(n)))})),this.listenTo(t.editing.view.document,"mousemove",((t,s)=>{if(!s.domEvent.buttons)return;if(!e)return;const a=this._getModelTableCellFromDomEvent(s);a&&JC(e,a)&&(n=a,o||n==e||(o=!0)),o&&(i=!0,r.setCellSelection(e,n),s.preventDefault())})),this.listenTo(t.editing.view.document,"mouseup",(()=>{o=!1,i=!1,e=null,n=null})),this.listenTo(t.editing.view.document,"selectionChange",(t=>{i&&t.stop()}),{priority:"highest"})}_getModelTableCellFromDomEvent(t){const e=t.target,n=this.editor.editing.view.createPositionAt(e,0);return this.editor.editing.mapper.toModelPosition(n).parent.findAncestor("tableCell",{includeSelf:!0})}}function JC(t,e){return t.parent.parent==e.parent.parent}var YC=n(4104),QC={attributes:{"data-cke":!0}};QC.setAttributes=is(),QC.insert=ns().bind(null,"head"),QC.domAPI=ts(),QC.insertStyleElement=ss();Qr()(YC.Z,QC);YC.Z&&YC.Z.locals&&YC.Z.locals;function XC(t){const e=t.getSelectedElement();return e&&eA(e)?e:null}function tA(t){let e=t.getFirstPosition().parent;for(;e;){if(e.is("element")&&eA(e))return e;e=e.parent}return null}function eA(t){return!!t.getCustomProperty("table")&&hm(t)}function nA(t,e){const{viewElement:n,defaultValue:o,modelAttribute:i,styleName:r,reduceBoxSides:s=!1}=e;t.for("upcast").attributeToAttribute({view:{name:n,styles:{[r]:/[\s\S]+/}},model:{key:i,value:t=>{const e=t.getNormalizedStyle(r),n=s?sA(e):e;if(o!==n)return n}}})}function oA(t,e,n,o){t.for("upcast").add((t=>t.on("element:"+e,((t,e,i)=>{if(!e.modelRange)return;const r=["border-top-width","border-top-color","border-top-style","border-bottom-width","border-bottom-color","border-bottom-style","border-right-width","border-right-color","border-right-style","border-left-width","border-left-color","border-left-style"].filter((t=>e.viewItem.hasStyle(t)));if(!r.length)return;const s={styles:r};if(!i.consumable.test(e.viewItem,s))return;const a=[...e.modelRange.getItems({shallow:!0})].pop();i.consumable.consume(e.viewItem,s);const c={style:e.viewItem.getNormalizedStyle("border-style"),color:e.viewItem.getNormalizedStyle("border-color"),width:e.viewItem.getNormalizedStyle("border-width")},l={style:sA(c.style),color:sA(c.color),width:sA(c.width)};l.style!==o.style&&i.writer.setAttribute(n.style,l.style,a),l.color!==o.color&&i.writer.setAttribute(n.color,l.color,a),l.width!==o.width&&i.writer.setAttribute(n.width,l.width,a)}))))}function iA(t,{modelElement:e,modelAttribute:n,styleName:o}){t.for("downcast").attributeToAttribute({model:{name:e,key:n},view:t=>({key:"style",value:{[o]:t}})})}function rA(t,{modelAttribute:e,styleName:n}){t.for("downcast").add((t=>t.on(`attribute:${e}:table`,((t,e,o)=>{const{item:i,attributeNewValue:r}=e,{mapper:s,writer:a}=o;if(!o.consumable.consume(e.item,t.name))return;const c=[...s.toViewElement(i).getChildren()].find((t=>t.is("element","table")));r?a.setStyle(n,r,c):a.removeStyle(n,c)}))))}function sA(t){if(!t)return;return["top","right","bottom","left"].map((e=>t[e])).reduce(((t,e)=>t==e?t:null))||t}class aA extends ge{constructor(t,e,n){super(t),this.attributeName=e,this._defaultValue=n}refresh(){const t=this.editor.model.document.selection.getFirstPosition().findAncestor("table");this.isEnabled=!!t,this.value=this._getValue(t)}execute(t={}){const e=this.editor.model,n=e.document.selection,{value:o,batch:i}=t,r=n.getFirstPosition().findAncestor("table"),s=this._getValueToSet(o);e.enqueueChange(i,(t=>{s?t.setAttribute(this.attributeName,s,r):t.removeAttribute(this.attributeName,r)}))}_getValue(t){if(!t)return;const e=t.getAttribute(this.attributeName);return e!==this._defaultValue?e:void 0}_getValueToSet(t){if(t!==this._defaultValue)return t}}class cA extends aA{constructor(t,e){super(t,"tableBackgroundColor",e)}}function lA(t){if(!t||!y(t))return t;const{top:e,right:n,bottom:o,left:i}=t;return e==n&&n==o&&o==i?e:void 0}function dA(t,e){const n=parseFloat(t);return Number.isNaN(n)||String(n)!==String(t)?t:`${n}${e}`}function uA(t,e={}){const n=Object.assign({borderStyle:"none",borderWidth:"",borderColor:"",backgroundColor:"",width:"",height:""},t);return e.includeAlignmentProperty&&!n.alignment&&(n.alignment="center"),e.includePaddingProperty&&!n.padding&&(n.padding=""),e.includeVerticalAlignmentProperty&&!n.verticalAlignment&&(n.verticalAlignment="middle"),e.includeHorizontalAlignmentProperty&&!n.horizontalAlignment&&(n.horizontalAlignment=e.isRightToLeftContent?"right":"left"),n}class hA extends aA{constructor(t,e){super(t,"tableBorderColor",e)}_getValue(t){if(!t)return;const e=lA(t.getAttribute(this.attributeName));return e!==this._defaultValue?e:void 0}}class pA extends aA{constructor(t,e){super(t,"tableBorderStyle",e)}_getValue(t){if(!t)return;const e=lA(t.getAttribute(this.attributeName));return e!==this._defaultValue?e:void 0}}class mA extends aA{constructor(t,e){super(t,"tableBorderWidth",e)}_getValue(t){if(!t)return;const e=lA(t.getAttribute(this.attributeName));return e!==this._defaultValue?e:void 0}_getValueToSet(t){if((t=dA(t,"px"))!==this._defaultValue)return t}}class gA extends aA{constructor(t,e){super(t,"tableWidth",e)}_getValueToSet(t){if((t=dA(t,"px"))!==this._defaultValue)return t}}class fA extends aA{constructor(t,e){super(t,"tableHeight",e)}_getValueToSet(t){return(t=dA(t,"px"))===this._defaultValue?null:t}}class bA extends aA{constructor(t,e){super(t,"tableAlignment",e)}}const kA=/^(left|center|right)$/,wA=/^(left|none|right)$/;class _A extends pe{static get pluginName(){return"TablePropertiesEditing"}static get requires(){return[IC]}init(){const t=this.editor,e=t.model.schema,n=t.conversion;t.config.define("table.tableProperties.defaultProperties",{});const o=uA(t.config.get("table.tableProperties.defaultProperties"),{includeAlignmentProperty:!0});t.data.addStyleProcessorRules(Vp),function(t,e,n){const o={width:"tableBorderWidth",color:"tableBorderColor",style:"tableBorderStyle"};t.extend("table",{allowAttributes:Object.values(o)}),oA(e,"table",o,n),rA(e,{modelAttribute:o.color,styleName:"border-color"}),rA(e,{modelAttribute:o.style,styleName:"border-style"}),rA(e,{modelAttribute:o.width,styleName:"border-width"})}(e,n,{color:o.borderColor,style:o.borderStyle,width:o.borderWidth}),t.commands.add("tableBorderColor",new hA(t,o.borderColor)),t.commands.add("tableBorderStyle",new pA(t,o.borderStyle)),t.commands.add("tableBorderWidth",new mA(t,o.borderWidth)),function(t,e,n){t.extend("table",{allowAttributes:["tableAlignment"]}),e.for("downcast").attributeToAttribute({model:{name:"table",key:"tableAlignment"},view:t=>({key:"style",value:{float:"center"===t?"none":t}}),converterPriority:"high"}),e.for("upcast").attributeToAttribute({view:{name:/^(table|figure)$/,styles:{float:wA}},model:{key:"tableAlignment",value:t=>{let e=t.getStyle("float");return"none"===e&&(e="center"),e===n?null:e}}}).attributeToAttribute({view:{attributes:{align:kA}},model:{name:"table",key:"tableAlignment",value:t=>{const e=t.getAttribute("align");return e===n?null:e}}})}(e,n,o.alignment),t.commands.add("tableAlignment",new bA(t,o.alignment)),CA(e,n,{modelAttribute:"tableWidth",styleName:"width",defaultValue:o.width}),t.commands.add("tableWidth",new gA(t,o.width)),CA(e,n,{modelAttribute:"tableHeight",styleName:"height",defaultValue:o.height}),t.commands.add("tableHeight",new fA(t,o.height)),t.data.addStyleProcessorRules(Op),function(t,e,n){const{modelAttribute:o}=n;t.extend("table",{allowAttributes:[o]}),nA(e,{viewElement:"table",...n}),rA(e,n)}(e,n,{modelAttribute:"tableBackgroundColor",styleName:"background-color",defaultValue:o.backgroundColor}),t.commands.add("tableBackgroundColor",new cA(t,o.backgroundColor))}}function CA(t,e,n){const{modelAttribute:o}=n;t.extend("table",{allowAttributes:[o]}),nA(e,{viewElement:/^(table|figure)$/,...n}),iA(e,{modelElement:"table",...n})}var AA=n(4082),vA={attributes:{"data-cke":!0}};vA.setAttributes=is(),vA.insert=ns().bind(null,"head"),vA.domAPI=ts(),vA.insertStyleElement=ss();Qr()(AA.Z,vA);AA.Z&&AA.Z.locals&&AA.Z.locals;class yA extends Od{constructor(t,e){super(t);const n=this.bindTemplate;this.set("value",""),this.set("id"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("isFocused",!1),this.set("isEmpty",!0),this.set("ariaDescribedById"),this.options=e,this._dropdownView=this._createDropdownView(),this._inputView=this._createInputTextView(),this._stillTyping=!1,this.setTemplate({tag:"div",attributes:{class:["ck","ck-input-color",n.if("hasError","ck-error")],id:n.to("id"),"aria-invalid":n.if("hasError",!0),"aria-describedby":n.to("ariaDescribedById")},children:[this._dropdownView,this._inputView]}),this.on("change:value",((t,e,n)=>this._setInputValue(n)))}focus(){this._inputView.focus()}_createDropdownView(){const t=this.locale,e=t.t,n=this.bindTemplate,o=this._createColorGrid(t),i=nh(t),r=new Od,s=this._createRemoveColorButton();return 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t=e.element.value,n=this.options.colorDefinitions.find((e=>t===e.label));this._stillTyping=!0,this.value=n&&n.color||t})),e.on("blur",(()=>{this._stillTyping=!1,this._setInputValue(e.element.value)})),e.delegate("input").to(this),e}_createRemoveColorButton(){const t=this.locale,e=t.t,n=new pu(t),o=this.options.defaultColorValue||"",i=e(o?"Restore default":"Remove color");return n.class="ck-input-color__remove-color",n.withText=!0,n.icon=Td.eraser,n.label=i,n.on("execute",(()=>{this.value=o,this._dropdownView.isOpen=!1,this.fire("input")})),n}_createColorGrid(t){const e=new Eu(t,{colorDefinitions:this.options.colorDefinitions,columns:this.options.columns});return e.on("execute",((t,e)=>{this.value=e.value,this._dropdownView.isOpen=!1,this.fire("input")})),e.bind("selectedColor").to(this,"value"),e}_setInputValue(t){if(!this._stillTyping){const e=xA(t),n=this.options.colorDefinitions.find((t=>e===xA(t.color)));this._inputView.value=n?n.label:t||""}}}function xA(t){return 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WA=n(198),jA={attributes:{"data-cke":!0}};jA.setAttributes=is(),jA.insert=ns().bind(null,"head"),jA.domAPI=ts(),jA.insertStyleElement=ss();Qr()(WA.Z,jA);WA.Z&&WA.Z.locals&&WA.Z.locals;var UA=n(9221),$A={attributes:{"data-cke":!0}};$A.setAttributes=is(),$A.insert=ns().bind(null,"head"),$A.domAPI=ts(),$A.insertStyleElement=ss();Qr()(UA.Z,$A);UA.Z&&UA.Z.locals&&UA.Z.locals;const GA={left:Td.objectLeft,center:Td.objectCenter,right:Td.objectRight};class KA extends Od{constructor(t,e){super(t),this.set({borderStyle:"",borderWidth:"",borderColor:"",backgroundColor:"",width:"",height:"",alignment:""}),this.options=e;const{borderStyleDropdown:n,borderWidthInput:o,borderColorInput:i,borderRowLabel:r}=this._createBorderFields(),{backgroundRowLabel:s,backgroundInput:a}=this._createBackgroundFields(),{widthInput:c,operatorLabel:l,heightInput:d,dimensionsLabel:u}=this._createDimensionFields(),{alignmentToolbar:h,alignmentLabel:p}=this._createAlignmentFields();this.focusTracker=new Pa,this.keystrokes=new Ia,this.children=this.createCollection(),this.borderStyleDropdown=n,this.borderWidthInput=o,this.borderColorInput=i,this.backgroundInput=a,this.widthInput=c,this.heightInput=d,this.alignmentToolbar=h;const{saveButtonView:m,cancelButtonView:g}=this._createActionButtons();this.saveButtonView=m,this.cancelButtonView=g,this._focusables=new zd,this._focusCycler=new Au({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.children.add(new gh(t,{label:this.t("Table properties")})),this.children.add(new LA(t,{labelView:r,children:[r,n,i,o],class:"ck-table-form__border-row"})),this.children.add(new LA(t,{labelView:s,children:[s,a],class:"ck-table-form__background-row"})),this.children.add(new LA(t,{children:[new LA(t,{labelView:u,children:[u,c,l,d],class:"ck-table-form__dimensions-row"}),new LA(t,{labelView:p,children:[p,h],class:"ck-table-properties-form__alignment-row"})]})),this.children.add(new LA(t,{children:[this.saveButtonView,this.cancelButtonView],class:"ck-table-form__action-row"})),this.setTemplate({tag:"form",attributes:{class:["ck","ck-form","ck-table-form","ck-table-properties-form"],tabindex:"-1"},children:this.children})}render(){super.render(),Rd({view:this}),[this.borderStyleDropdown,this.borderColorInput,this.borderWidthInput,this.backgroundInput,this.widthInput,this.heightInput,this.alignmentToolbar,this.saveButtonView,this.cancelButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createBorderFields(){const t=this.options.defaultTableProperties,e={style:t.borderStyle,width:t.borderWidth,color:t.borderColor},n=NA({colorConfig:this.options.borderColors,columns:5,defaultColorValue:e.color}),o=this.locale,i=this.t,r=new dh(o);r.text=i("Border");const s=DA(this.t),a=new Ah(o,yh);a.set({label:i("Style"),class:"ck-table-form__border-style"}),a.fieldView.buttonView.set({isOn:!1,withText:!0,tooltip:i("Style")}),a.fieldView.buttonView.bind("label").to(this,"borderStyle",(t=>s[t||"none"])),a.fieldView.on("execute",(t=>{this.borderStyle=t.source._borderStyleValue})),a.bind("isEmpty").to(this,"borderStyle",(t=>!t)),ih(a.fieldView,RA(this,e.style));const c=new Ah(o,vh);c.set({label:i("Width"),class:"ck-table-form__border-width"}),c.fieldView.bind("value").to(this,"borderWidth"),c.bind("isEnabled").to(this,"borderStyle",ZA),c.fieldView.on("input",(()=>{this.borderWidth=c.fieldView.element.value}));const l=new Ah(o,n);return l.set({label:i("Color"),class:"ck-table-form__border-color"}),l.fieldView.bind("value").to(this,"borderColor"),l.bind("isEnabled").to(this,"borderStyle",ZA),l.fieldView.on("input",(()=>{this.borderColor=l.fieldView.value})),this.on("change:borderStyle",((t,n,o,i)=>{ZA(o)||(this.borderColor="",this.borderWidth=""),ZA(i)||(this.borderColor=e.color,this.borderWidth=e.width)})),{borderRowLabel:r,borderStyleDropdown:a,borderColorInput:l,borderWidthInput:c}}_createBackgroundFields(){const t=this.locale,e=this.t,n=new dh(t);n.text=e("Background");const o=NA({colorConfig:this.options.backgroundColors,columns:5,defaultColorValue:this.options.defaultTableProperties.backgroundColor}),i=new Ah(t,o);return i.set({label:e("Color"),class:"ck-table-properties-form__background"}),i.fieldView.bind("value").to(this,"backgroundColor"),i.fieldView.on("input",(()=>{this.backgroundColor=i.fieldView.value})),{backgroundRowLabel:n,backgroundInput:i}}_createDimensionFields(){const t=this.locale,e=this.t,n=new dh(t);n.text=e("Dimensions");const o=new Ah(t,vh);o.set({label:e("Width"),class:"ck-table-form__dimensions-row__width"}),o.fieldView.bind("value").to(this,"width"),o.fieldView.on("input",(()=>{this.width=o.fieldView.element.value}));const i=new Od(t);i.setTemplate({tag:"span",attributes:{class:["ck-table-form__dimension-operator"]},children:[{text:"×"}]});const r=new Ah(t,vh);return r.set({label:e("Height"),class:"ck-table-form__dimensions-row__height"}),r.fieldView.bind("value").to(this,"height"),r.fieldView.on("input",(()=>{this.height=r.fieldView.element.value})),{dimensionsLabel:n,widthInput:o,operatorLabel:i,heightInput:r}}_createAlignmentFields(){const t=this.locale,e=this.t,n=new dh(t);n.text=e("Alignment");const o=new Wu(t);return o.set({isCompact:!0,ariaLabel:e("Table alignment toolbar")}),zA({view:this,icons:GA,toolbar:o,labels:this._alignmentLabels,propertyName:"alignment",defaultValue:this.options.defaultTableProperties.alignment}),{alignmentLabel:n,alignmentToolbar:o}}_createActionButtons(){const t=this.locale,e=this.t,n=new pu(t),o=new pu(t),i=[this.borderWidthInput,this.borderColorInput,this.backgroundInput,this.widthInput,this.heightInput];return n.set({label:e("Save"),icon:Td.check,class:"ck-button-save",type:"submit",withText:!0}),n.bind("isEnabled").toMany(i,"errorText",((...t)=>t.every((t=>!t)))),o.set({label:e("Cancel"),icon:Td.cancel,class:"ck-button-cancel",withText:!0}),o.delegate("execute").to(this,"cancel"),{saveButtonView:n,cancelButtonView:o}}get _alignmentLabels(){const t=this.locale,e=this.t,n=e("Align table to the left"),o=e("Center table"),i=e("Align table to the right");return"rtl"===t.uiLanguageDirection?{right:i,center:o,left:n}:{left:n,center:o,right:i}}}function ZA(t){return"none"!==t}const JA=Ih.defaultPositions,YA=[JA.northArrowSouth,JA.northArrowSouthWest,JA.northArrowSouthEast,JA.southArrowNorth,JA.southArrowNorthWest,JA.southArrowNorthEast,JA.viewportStickyNorth];function QA(t,e){const n=t.plugins.get("ContextualBalloon");if(tA(t.editing.view.document.selection)){let o;o="cell"===e?tv(t):XA(t),n.updatePosition(o)}}function XA(t){const e=t.model.document.selection.getFirstPosition().findAncestor("table"),n=t.editing.mapper.toViewElement(e);return{target:t.editing.view.domConverter.viewToDom(n),positions:YA}}function tv(t){const e=t.editing.mapper,n=t.editing.view.domConverter,o=t.model.document.selection;if(o.rangeCount>1)return{target:()=>function(t,e){const n=e.editing.mapper,o=e.editing.view.domConverter,i=Array.from(t).map((t=>{const e=ev(t.start),i=n.toViewElement(e);return new ya(o.viewToDom(i))}));return ya.getBoundingRect(i)}(o.getRanges(),t),positions:YA};const i=ev(o.getFirstPosition()),r=e.toViewElement(i);return{target:n.viewToDom(r),positions:YA}}function ev(t){return t.nodeAfter&&t.nodeAfter.is("element","tableCell")?t.nodeAfter:t.findAncestor("tableCell")}const nv={borderStyle:"tableBorderStyle",borderColor:"tableBorderColor",borderWidth:"tableBorderWidth",backgroundColor:"tableBackgroundColor",width:"tableWidth",height:"tableHeight",alignment:"tableAlignment"};class ov extends pe{static get requires(){return[Vh]}static get pluginName(){return"TablePropertiesUI"}constructor(t){super(t),t.config.define("table.tableProperties",{borderColors:FA,backgroundColors:FA})}init(){const t=this.editor,e=t.t;this._defaultTableProperties=uA(t.config.get("table.tableProperties.defaultProperties"),{includeAlignmentProperty:!0}),this._balloon=t.plugins.get(Vh),this.view=this._createPropertiesView(),this._undoStepBatch=null,t.ui.componentFactory.add("tableProperties",(n=>{const o=new pu(n);o.set({label:e("Table properties"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8 2v5h4V2h1v5h5v1h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5H7v-5H2v-1h5V8H2V7h5V2h1zm4 6H8v4h4V8z" opacity=".6"/><path d="m15.5 11.5 1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM17 1a2 2 0 0 1 2 2v9.475l-.85-.124-.857-1.736a2.048 2.048 0 0 0-.292-.44L17 3H3v14h7.808l.402.392L10.935 19H3a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h14z"/></svg>',tooltip:!0}),this.listenTo(o,"execute",(()=>this._showView()));const i=Object.values(nv).map((e=>t.commands.get(e)));return o.bind("isEnabled").toMany(i,"isEnabled",((...t)=>t.some((t=>t)))),o}))}destroy(){super.destroy(),this.view.destroy()}_createPropertiesView(){const t=this.editor,e=t.config.get("table.tableProperties"),n=ku(e.borderColors),o=bu(t.locale,n),i=ku(e.backgroundColors),r=bu(t.locale,i),s=new KA(t.locale,{borderColors:o,backgroundColors:r,defaultTableProperties:this._defaultTableProperties}),a=t.t;s.render(),this.listenTo(s,"submit",(()=>{this._hideView()})),this.listenTo(s,"cancel",(()=>{this._undoStepBatch.operations.length&&t.execute("undo",this._undoStepBatch),this._hideView()})),s.keystrokes.set("Esc",((t,e)=>{this._hideView(),e()})),Pd({emitter:s,activator:()=>this._isViewInBalloon,contextElements:[this._balloon.view.element],callback:()=>this._hideView()});const c=SA(a),l=BA(a);return s.on("change:borderStyle",this._getPropertyChangeCallback("tableBorderStyle",this._defaultTableProperties.borderStyle)),s.on("change:borderColor",this._getValidatedPropertyChangeCallback({viewField:s.borderColorInput,commandName:"tableBorderColor",errorText:c,validator:TA,defaultValue:this._defaultTableProperties.borderColor})),s.on("change:borderWidth",this._getValidatedPropertyChangeCallback({viewField:s.borderWidthInput,commandName:"tableBorderWidth",errorText:l,validator:IA,defaultValue:this._defaultTableProperties.borderWidth})),s.on("change:backgroundColor",this._getValidatedPropertyChangeCallback({viewField:s.backgroundInput,commandName:"tableBackgroundColor",errorText:c,validator:TA,defaultValue:this._defaultTableProperties.backgroundColor})),s.on("change:width",this._getValidatedPropertyChangeCallback({viewField:s.widthInput,commandName:"tableWidth",errorText:l,validator:PA,defaultValue:this._defaultTableProperties.width})),s.on("change:height",this._getValidatedPropertyChangeCallback({viewField:s.heightInput,commandName:"tableHeight",errorText:l,validator:PA,defaultValue:this._defaultTableProperties.height})),s.on("change:alignment",this._getPropertyChangeCallback("tableAlignment",this._defaultTableProperties.alignment)),s}_fillViewFormFromCommandValues(){const t=this.editor.commands,e=t.get("tableBorderStyle");Object.entries(nv).map((([e,n])=>{const o=this._defaultTableProperties[e]||"";return[e,t.get(n).value||o]})).forEach((([t,n])=>{("borderColor"!==t&&"borderWidth"!==t||"none"!==e.value)&&this.view.set(t,n)}))}_showView(){const t=this.editor;this.listenTo(t.ui,"update",(()=>{this._updateView()})),this._fillViewFormFromCommandValues(),this._balloon.add({view:this.view,position:XA(t)}),this._undoStepBatch=t.model.createBatch(),this.view.focus()}_hideView(){const t=this.editor;this.stopListening(t.ui,"update"),this.view.saveButtonView.focus(),this._balloon.remove(this.view),this.editor.editing.view.focus()}_updateView(){const t=this.editor;tA(t.editing.view.document.selection)?this._isViewVisible&&QA(t,"table"):this._hideView()}get _isViewVisible(){return this._balloon.visibleView===this.view}get _isViewInBalloon(){return this._balloon.hasView(this.view)}_getPropertyChangeCallback(t,e){return(n,o,i,r)=>{(r||e!==i)&&this.editor.execute(t,{value:i,batch:this._undoStepBatch})}}_getValidatedPropertyChangeCallback(t){const{commandName:e,viewField:n,validator:o,errorText:i,defaultValue:r}=t,s=pa((()=>{n.errorText=i}),500);return(t,i,a,c)=>{s.cancel(),(c||r!==a)&&(o(a)?(this.editor.execute(e,{value:a,batch:this._undoStepBatch}),n.errorText=null):s())}}}var iv=n(5737),rv={attributes:{"data-cke":!0}};rv.setAttributes=is(),rv.insert=ns().bind(null,"head"),rv.domAPI=ts(),rv.insertStyleElement=ss();Qr()(iv.Z,rv);iv.Z&&iv.Z.locals&&iv.Z.locals;const sv={left:Td.alignLeft,center:Td.alignCenter,right:Td.alignRight,justify:Td.alignJustify,top:Td.alignTop,middle:Td.alignMiddle,bottom:Td.alignBottom};class av extends Od{constructor(t,e){super(t),this.set({borderStyle:"",borderWidth:"",borderColor:"",padding:"",backgroundColor:"",width:"",height:"",horizontalAlignment:"",verticalAlignment:""}),this.options=e;const{borderStyleDropdown:n,borderWidthInput:o,borderColorInput:i,borderRowLabel:r}=this._createBorderFields(),{backgroundRowLabel:s,backgroundInput:a}=this._createBackgroundFields(),{widthInput:c,operatorLabel:l,heightInput:d,dimensionsLabel:u}=this._createDimensionFields(),{horizontalAlignmentToolbar:h,verticalAlignmentToolbar:p,alignmentLabel:m}=this._createAlignmentFields();this.focusTracker=new Pa,this.keystrokes=new Ia,this.children=this.createCollection(),this.borderStyleDropdown=n,this.borderWidthInput=o,this.borderColorInput=i,this.backgroundInput=a,this.paddingInput=this._createPaddingField(),this.widthInput=c,this.heightInput=d,this.horizontalAlignmentToolbar=h,this.verticalAlignmentToolbar=p;const{saveButtonView:g,cancelButtonView:f}=this._createActionButtons();this.saveButtonView=g,this.cancelButtonView=f,this._focusables=new zd,this._focusCycler=new Au({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.children.add(new gh(t,{label:this.t("Cell properties")})),this.children.add(new LA(t,{labelView:r,children:[r,n,i,o],class:"ck-table-form__border-row"})),this.children.add(new LA(t,{labelView:s,children:[s,a],class:"ck-table-form__background-row"})),this.children.add(new LA(t,{children:[new LA(t,{labelView:u,children:[u,c,l,d],class:"ck-table-form__dimensions-row"}),new LA(t,{children:[this.paddingInput],class:"ck-table-cell-properties-form__padding-row"})]})),this.children.add(new LA(t,{labelView:m,children:[m,h,p],class:"ck-table-cell-properties-form__alignment-row"})),this.children.add(new LA(t,{children:[this.saveButtonView,this.cancelButtonView],class:"ck-table-form__action-row"})),this.setTemplate({tag:"form",attributes:{class:["ck","ck-form","ck-table-form","ck-table-cell-properties-form"],tabindex:"-1"},children:this.children})}render(){super.render(),Rd({view:this}),[this.borderStyleDropdown,this.borderColorInput,this.borderWidthInput,this.backgroundInput,this.widthInput,this.heightInput,this.paddingInput,this.horizontalAlignmentToolbar,this.verticalAlignmentToolbar,this.saveButtonView,this.cancelButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createBorderFields(){const t=this.options.defaultTableCellProperties,e={style:t.borderStyle,width:t.borderWidth,color:t.borderColor},n=NA({colorConfig:this.options.borderColors,columns:5,defaultColorValue:e.color}),o=this.locale,i=this.t,r=new dh(o);r.text=i("Border");const s=DA(i),a=new Ah(o,yh);a.set({label:i("Style"),class:"ck-table-form__border-style"}),a.fieldView.buttonView.set({isOn:!1,withText:!0,tooltip:i("Style")}),a.fieldView.buttonView.bind("label").to(this,"borderStyle",(t=>s[t||"none"])),a.fieldView.on("execute",(t=>{this.borderStyle=t.source._borderStyleValue})),a.bind("isEmpty").to(this,"borderStyle",(t=>!t)),ih(a.fieldView,RA(this,e.style));const c=new Ah(o,vh);c.set({label:i("Width"),class:"ck-table-form__border-width"}),c.fieldView.bind("value").to(this,"borderWidth"),c.bind("isEnabled").to(this,"borderStyle",cv),c.fieldView.on("input",(()=>{this.borderWidth=c.fieldView.element.value}));const l=new Ah(o,n);return l.set({label:i("Color"),class:"ck-table-form__border-color"}),l.fieldView.bind("value").to(this,"borderColor"),l.bind("isEnabled").to(this,"borderStyle",cv),l.fieldView.on("input",(()=>{this.borderColor=l.fieldView.value})),this.on("change:borderStyle",((t,n,o,i)=>{cv(o)||(this.borderColor="",this.borderWidth=""),cv(i)||(this.borderColor=e.color,this.borderWidth=e.width)})),{borderRowLabel:r,borderStyleDropdown:a,borderColorInput:l,borderWidthInput:c}}_createBackgroundFields(){const t=this.locale,e=this.t,n=new dh(t);n.text=e("Background");const o=NA({colorConfig:this.options.backgroundColors,columns:5,defaultColorValue:this.options.defaultTableCellProperties.backgroundColor}),i=new Ah(t,o);return i.set({label:e("Color"),class:"ck-table-cell-properties-form__background"}),i.fieldView.bind("value").to(this,"backgroundColor"),i.fieldView.on("input",(()=>{this.backgroundColor=i.fieldView.value})),{backgroundRowLabel:n,backgroundInput:i}}_createDimensionFields(){const t=this.locale,e=this.t,n=new dh(t);n.text=e("Dimensions");const o=new Ah(t,vh);o.set({label:e("Width"),class:"ck-table-form__dimensions-row__width"}),o.fieldView.bind("value").to(this,"width"),o.fieldView.on("input",(()=>{this.width=o.fieldView.element.value}));const i=new Od(t);i.setTemplate({tag:"span",attributes:{class:["ck-table-form__dimension-operator"]},children:[{text:"×"}]});const r=new Ah(t,vh);return r.set({label:e("Height"),class:"ck-table-form__dimensions-row__height"}),r.fieldView.bind("value").to(this,"height"),r.fieldView.on("input",(()=>{this.height=r.fieldView.element.value})),{dimensionsLabel:n,widthInput:o,operatorLabel:i,heightInput:r}}_createPaddingField(){const t=this.locale,e=this.t,n=new Ah(t,vh);return n.set({label:e("Padding"),class:"ck-table-cell-properties-form__padding"}),n.fieldView.bind("value").to(this,"padding"),n.fieldView.on("input",(()=>{this.padding=n.fieldView.element.value})),n}_createAlignmentFields(){const t=this.locale,e=this.t,n=new dh(t);n.text=e("Table cell text alignment");const o=new Wu(t),i="rtl"===this.locale.contentLanguageDirection;o.set({isCompact:!0,ariaLabel:e("Horizontal text alignment toolbar")}),zA({view:this,icons:sv,toolbar:o,labels:this._horizontalAlignmentLabels,propertyName:"horizontalAlignment",nameToValue:t=>{if(i){if("left"===t)return"right";if("right"===t)return"left"}return t},defaultValue:this.options.defaultTableCellProperties.horizontalAlignment});const r=new Wu(t);return r.set({isCompact:!0,ariaLabel:e("Vertical text alignment toolbar")}),zA({view:this,icons:sv,toolbar:r,labels:this._verticalAlignmentLabels,propertyName:"verticalAlignment",defaultValue:this.options.defaultTableCellProperties.verticalAlignment}),{horizontalAlignmentToolbar:o,verticalAlignmentToolbar:r,alignmentLabel:n}}_createActionButtons(){const t=this.locale,e=this.t,n=new pu(t),o=new pu(t),i=[this.borderWidthInput,this.borderColorInput,this.backgroundInput,this.paddingInput];return n.set({label:e("Save"),icon:Td.check,class:"ck-button-save",type:"submit",withText:!0}),n.bind("isEnabled").toMany(i,"errorText",((...t)=>t.every((t=>!t)))),o.set({label:e("Cancel"),icon:Td.cancel,class:"ck-button-cancel",withText:!0}),o.delegate("execute").to(this,"cancel"),{saveButtonView:n,cancelButtonView:o}}get _horizontalAlignmentLabels(){const t=this.locale,e=this.t,n=e("Align cell text to the left"),o=e("Align cell text to the center"),i=e("Align cell text to the right"),r=e("Justify cell text");return"rtl"===t.uiLanguageDirection?{right:i,center:o,left:n,justify:r}:{left:n,center:o,right:i,justify:r}}get _verticalAlignmentLabels(){const t=this.t;return{top:t("Align cell text to the top"),middle:t("Align cell text to the middle"),bottom:t("Align cell text to the bottom")}}}function cv(t){return"none"!==t}const lv={borderStyle:"tableCellBorderStyle",borderColor:"tableCellBorderColor",borderWidth:"tableCellBorderWidth",width:"tableCellWidth",height:"tableCellHeight",padding:"tableCellPadding",backgroundColor:"tableCellBackgroundColor",horizontalAlignment:"tableCellHorizontalAlignment",verticalAlignment:"tableCellVerticalAlignment"};class dv extends pe{static get requires(){return[Vh]}static get pluginName(){return"TableCellPropertiesUI"}constructor(t){super(t),t.config.define("table.tableCellProperties",{borderColors:FA,backgroundColors:FA})}init(){const t=this.editor,e=t.t;this._defaultTableCellProperties=uA(t.config.get("table.tableCellProperties.defaultProperties"),{includeVerticalAlignmentProperty:!0,includeHorizontalAlignmentProperty:!0,includePaddingProperty:!0,isRightToLeftContent:"rtl"===t.locale.contentLanguageDirection}),this._balloon=t.plugins.get(Vh),this.view=this._createPropertiesView(),this._undoStepBatch=null,t.ui.componentFactory.add("tableCellProperties",(n=>{const o=new pu(n);o.set({label:e("Cell properties"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m11.105 18-.17 1H2.5A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1h15A1.5 1.5 0 0 1 19 2.5v9.975l-.85-.124-.15-.302V8h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5h3.105zM2 12h5V8H2v4zm10-4H8v4h4V8zM2 2v5h5V2H2zm0 16h5v-5H2v5zM13 7h5V2h-5v5zM8 2v5h4V2H8z" opacity=".6"/><path d="m15.5 11.5 1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM13 6a1 1 0 0 1 1 1v3.172a2.047 2.047 0 0 0-.293.443l-.858 1.736-1.916.28-.151.027A1.976 1.976 0 0 0 9.315 14H7a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h6zm-1 2H8v4h4V8z"/></svg>',tooltip:!0}),this.listenTo(o,"execute",(()=>this._showView()));const i=Object.values(lv).map((e=>t.commands.get(e)));return o.bind("isEnabled").toMany(i,"isEnabled",((...t)=>t.some((t=>t)))),o}))}destroy(){super.destroy(),this.view.destroy()}_createPropertiesView(){const t=this.editor,e=t.editing.view.document,n=t.config.get("table.tableCellProperties"),o=ku(n.borderColors),i=bu(t.locale,o),r=ku(n.backgroundColors),s=bu(t.locale,r),a=new av(t.locale,{borderColors:i,backgroundColors:s,defaultTableCellProperties:this._defaultTableCellProperties}),c=t.t;a.render(),this.listenTo(a,"submit",(()=>{this._hideView()})),this.listenTo(a,"cancel",(()=>{this._undoStepBatch.operations.length&&t.execute("undo",this._undoStepBatch),this._hideView()})),a.keystrokes.set("Esc",((t,e)=>{this._hideView(),e()})),this.listenTo(t.ui,"update",(()=>{tA(e.selection)?this._isViewVisible&&QA(t,"cell"):this._hideView()})),Pd({emitter:a,activator:()=>this._isViewInBalloon,contextElements:[this._balloon.view.element],callback:()=>this._hideView()});const l=SA(c),d=BA(c);return a.on("change:borderStyle",this._getPropertyChangeCallback("tableCellBorderStyle",this._defaultTableCellProperties.borderStyle)),a.on("change:borderColor",this._getValidatedPropertyChangeCallback({viewField:a.borderColorInput,commandName:"tableCellBorderColor",errorText:l,validator:TA,defaultValue:this._defaultTableCellProperties.borderColor})),a.on("change:borderWidth",this._getValidatedPropertyChangeCallback({viewField:a.borderWidthInput,commandName:"tableCellBorderWidth",errorText:d,validator:IA,defaultValue:this._defaultTableCellProperties.borderWidth})),a.on("change:padding",this._getValidatedPropertyChangeCallback({viewField:a.paddingInput,commandName:"tableCellPadding",errorText:d,validator:PA,defaultValue:this._defaultTableCellProperties.padding})),a.on("change:width",this._getValidatedPropertyChangeCallback({viewField:a.widthInput,commandName:"tableCellWidth",errorText:d,validator:PA,defaultValue:this._defaultTableCellProperties.width})),a.on("change:height",this._getValidatedPropertyChangeCallback({viewField:a.heightInput,commandName:"tableCellHeight",errorText:d,validator:PA,defaultValue:this._defaultTableCellProperties.height})),a.on("change:backgroundColor",this._getValidatedPropertyChangeCallback({viewField:a.backgroundInput,commandName:"tableCellBackgroundColor",errorText:l,validator:TA,defaultValue:this._defaultTableCellProperties.backgroundColor})),a.on("change:horizontalAlignment",this._getPropertyChangeCallback("tableCellHorizontalAlignment",this._defaultTableCellProperties.horizontalAlignment)),a.on("change:verticalAlignment",this._getPropertyChangeCallback("tableCellVerticalAlignment",this._defaultTableCellProperties.verticalAlignment)),a}_fillViewFormFromCommandValues(){const t=this.editor.commands,e=t.get("tableCellBorderStyle");Object.entries(lv).map((([e,n])=>{const o=this._defaultTableCellProperties[e]||"";return[e,t.get(n).value||o]})).forEach((([t,n])=>{("borderColor"!==t&&"borderWidth"!==t||"none"!==e.value)&&this.view.set(t,n)}))}_showView(){const t=this.editor;this._fillViewFormFromCommandValues(),this._balloon.add({view:this.view,position:tv(t)}),this._undoStepBatch=t.model.createBatch(),this.view.focus()}_hideView(){if(!this._isViewInBalloon)return;const t=this.editor;this.stopListening(t.ui,"update"),this.view.saveButtonView.focus(),this._balloon.remove(this.view),this.editor.editing.view.focus()}get _isViewVisible(){return this._balloon.visibleView===this.view}get _isViewInBalloon(){return this._balloon.hasView(this.view)}_getPropertyChangeCallback(t,e){return(n,o,i,r)=>{(r||e!==i)&&this.editor.execute(t,{value:i,batch:this._undoStepBatch})}}_getValidatedPropertyChangeCallback(t){const{commandName:e,viewField:n,validator:o,errorText:i,defaultValue:r}=t,s=pa((()=>{n.errorText=i}),500);return(t,i,a,c)=>{s.cancel(),(c||r!==a)&&(o(a)?(this.editor.execute(e,{value:a,batch:this._undoStepBatch}),n.errorText=null):s())}}}class uv extends ge{constructor(t,e,n){super(t),this.attributeName=e,this._defaultValue=n}refresh(){const t=z_(this.editor.model.document.selection);this.isEnabled=!!t.length,this.value=this._getSingleValue(t)}execute(t={}){const{value:e,batch:n}=t,o=this.editor.model,i=z_(o.document.selection),r=this._getValueToSet(e);o.enqueueChange(n,(t=>{r?i.forEach((e=>t.setAttribute(this.attributeName,r,e))):i.forEach((e=>t.removeAttribute(this.attributeName,e)))}))}_getAttribute(t){if(!t)return;const e=t.getAttribute(this.attributeName);return e!==this._defaultValue?e:void 0}_getValueToSet(t){if(t!==this._defaultValue)return t}_getSingleValue(t){const e=this._getAttribute(t[0]);return t.every((t=>this._getAttribute(t)===e))?e:void 0}}class hv extends uv{constructor(t,e){super(t,"tableCellPadding",e)}_getAttribute(t){if(!t)return;const e=lA(t.getAttribute(this.attributeName));return e!==this._defaultValue?e:void 0}_getValueToSet(t){if((t=dA(t,"px"))!==this._defaultValue)return t}}class pv extends uv{constructor(t,e){super(t,"tableCellWidth",e)}_getValueToSet(t){if((t=dA(t,"px"))!==this._defaultValue)return t}}class mv extends uv{constructor(t,e){super(t,"tableCellHeight",e)}_getValueToSet(t){return(t=dA(t,"px"))===this._defaultValue?null:t}}class gv extends uv{constructor(t,e){super(t,"tableCellBackgroundColor",e)}}class fv extends uv{constructor(t,e){super(t,"tableCellVerticalAlignment",e)}}class bv extends uv{constructor(t,e){super(t,"tableCellHorizontalAlignment",e)}}class kv extends uv{constructor(t,e){super(t,"tableCellBorderStyle",e)}_getAttribute(t){if(!t)return;const e=lA(t.getAttribute(this.attributeName));return e!==this._defaultValue?e:void 0}}class wv extends uv{constructor(t,e){super(t,"tableCellBorderColor",e)}_getAttribute(t){if(!t)return;const e=lA(t.getAttribute(this.attributeName));return e!==this._defaultValue?e:void 0}}class _v extends uv{constructor(t,e){super(t,"tableCellBorderWidth",e)}_getAttribute(t){if(!t)return;const e=lA(t.getAttribute(this.attributeName));return e!==this._defaultValue?e:void 0}_getValueToSet(t){if((t=dA(t,"px"))!==this._defaultValue)return t}}const Cv=/^(top|middle|bottom)$/,Av=/^(left|center|right|justify)$/;class vv extends pe{static get pluginName(){return"TableCellPropertiesEditing"}static get requires(){return[IC]}init(){const t=this.editor,e=t.model.schema,n=t.conversion;t.config.define("table.tableCellProperties.defaultProperties",{});const o=uA(t.config.get("table.tableCellProperties.defaultProperties"),{includeVerticalAlignmentProperty:!0,includeHorizontalAlignmentProperty:!0,includePaddingProperty:!0,isRightToLeftContent:"rtl"===t.locale.contentLanguageDirection});t.data.addStyleProcessorRules(Vp),function(t,e,n){const o={width:"tableCellBorderWidth",color:"tableCellBorderColor",style:"tableCellBorderStyle"};t.extend("tableCell",{allowAttributes:Object.values(o)}),oA(e,"td",o,n),oA(e,"th",o,n),iA(e,{modelElement:"tableCell",modelAttribute:o.style,styleName:"border-style"}),iA(e,{modelElement:"tableCell",modelAttribute:o.color,styleName:"border-color"}),iA(e,{modelElement:"tableCell",modelAttribute:o.width,styleName:"border-width"})}(e,n,{color:o.borderColor,style:o.borderStyle,width:o.borderWidth}),t.commands.add("tableCellBorderStyle",new kv(t,o.borderStyle)),t.commands.add("tableCellBorderColor",new wv(t,o.borderColor)),t.commands.add("tableCellBorderWidth",new 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inkscape:connector-curvature="0" />\n</svg>\n';class Ny extends ge{refresh(){const t=this.editor.model,e=t.document;this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"mention")}execute(t){const e=this.editor.model,n=e.document.selection,o="string"==typeof t.mention?{id:t.mention}:t.mention,i=o.id,r=t.range||n.getFirstRange(),a=t.text||i,c=My({_text:a,id:i},o);if(1!=t.marker.length)throw new s("mentioncommand-incorrect-marker",this);if(i.charAt(0)!=t.marker)throw new s("mentioncommand-incorrect-id",this);e.change((t=>{const o=qo(n.getAttributes()),i=new Map(o.entries());i.set("mention",c),e.insertContent(t.createText(a,i),r),e.insertContent(t.createText(" ",o),r.start.getShiftedBy(a.length))}))}}class Oy extends pe{static get pluginName(){return"MentionEditing"}init(){const t=this.editor,e=t.model,n=e.document;e.schema.extend("$text",{allowAttributes:"mention"}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",key:"data-mention",classes:"mention"},model:{key:"mention",value:t=>Vy(t)}}),t.conversion.for("downcast").attributeToElement({model:"mention",view:Hy}),t.conversion.for("downcast").add(Ly),n.registerPostFixer((t=>function(t,e,n){const o=e.differ.getChanges();let i=!1;for(const e of o){const o=e.position;if("$text"==e.name){const e=o.textNode&&o.textNode.nextSibling;i=Wy(o.textNode,t)||i,i=Wy(e,t)||i,i=Wy(o.nodeBefore,t)||i,i=Wy(o.nodeAfter,t)||i}if("$text"!=e.name&&"insert"==e.type){const e=o.nodeAfter;for(const n of t.createRangeIn(e).getItems())i=Wy(n,t)||i}if("insert"==e.type&&n.isInline(e.name)){const e=o.nodeAfter&&o.nodeAfter.nextSibling;i=Wy(o.nodeBefore,t)||i,i=Wy(e,t)||i}}return i}(t,n,e.schema))),n.registerPostFixer((t=>function(t,e){const n=e.differ.getChanges();let o=!1;for(const e of n)if("attribute"===e.type&&"mention"!=e.attributeKey){const n=e.range.start.nodeBefore,i=e.range.end.nodeAfter;for(const r of[n,i])qy(r)&&r.getAttribute(e.attributeKey)!=e.attributeNewValue&&(t.setAttribute(e.attributeKey,e.attributeNewValue,r),o=!0)}return o}(t,n))),n.registerPostFixer((t=>function(t,e){const n=e.selection,o=n.focus;if(n.isCollapsed&&n.hasAttribute("mention")&&function(t){const e=t.isAtStart;return t.nodeBefore&&t.nodeBefore.is("$text")||e}(o))return t.removeSelectionAttribute("mention"),!0}(t,n))),t.commands.add("mention",new Ny(t))}}function My(t,e){return Object.assign({uid:i()},t,e||{})}function Vy(t,e){const n=t.getAttribute("data-mention"),o=t.getChild(0);if(!o)return;return My({id:n,_text:o.data},e)}function Ly(t){t.on("attribute:mention",((t,e,n)=>{const o=e.attributeNewValue;if(!e.item.is("$textProxy")||!o)return;const i=e.range.start;(i.textNode||i.nodeAfter).data!=o._text&&n.consumable.consume(e.item,t.name)}),{priority:"highest"})}function Hy(t,{writer:e}){if(!t)return;const n={class:"mention","data-mention":t.id},o={id:t.uid,priority:20};return e.createAttributeElement("span",n,o)}function qy(t){if(!t||!t.is("$text")&&!t.is("$textProxy")||!t.hasAttribute("mention"))return!1;return t.data!=t.getAttribute("mention")._text}function Wy(t,e){return!!qy(t)&&(e.removeAttribute("mention",t),!0)}var jy=n(6391),Uy={attributes:{"data-cke":!0}};Uy.setAttributes=is(),Uy.insert=ns().bind(null,"head"),Uy.domAPI=ts(),Uy.insertStyleElement=ss();Qr()(jy.Z,Uy);jy.Z&&jy.Z.locals&&jy.Z.locals;class $y extends Zu{constructor(t){super(t),this.extendTemplate({attributes:{class:["ck-mentions"],tabindex:"-1"}})}selectFirst(){this.select(0)}selectNext(){const t=this.selected,e=this.items.getIndex(t);this.select(e+1)}selectPrevious(){const t=this.selected,e=this.items.getIndex(t);this.select(e-1)}select(t){let e=0;t>0&&t<this.items.length?e=t:t<0&&(e=this.items.length-1);const n=this.items.get(e);this.selected!==n&&(this.selected&&this.selected.removeHighlight(),n.highlight(),this.selected=n,this._isItemVisibleInScrolledArea(n)||(this.element.scrollTop=n.element.offsetTop))}executeSelected(){this.selected.fire("execute")}_isItemVisibleInScrolledArea(t){return new ya(this.element).contains(new ya(t.element))}}class Gy extends Od{constructor(t,e){super(t),this.template=!1,this.domElement=e,this.domElement.classList.add("ck-button"),this.set("isOn",!1),this.on("change:isOn",((t,e,n)=>{n?(this.domElement.classList.add("ck-on"),this.domElement.classList.remove("ck-off")):(this.domElement.classList.add("ck-off"),this.domElement.classList.remove("ck-on"))})),this.listenTo(this.domElement,"click",(()=>{this.fire("execute")}))}render(){super.render(),this.element=this.domElement}}class Ky extends Ju{highlight(){this.children.first.isOn=!0}removeHighlight(){this.children.first.isOn=!1}}const Zy=[ur.arrowup,ur.arrowdown,ur.esc],Jy=[ur.enter,ur.tab];class Yy extends pe{static get pluginName(){return"MentionUI"}static get requires(){return[Vh]}constructor(t){super(t),this._mentionsView=this._createMentionView(),this._mentionsConfigurations=new Map,this._requestFeedDebounced=pa(this._requestFeed,100),t.config.define("mention",{feeds:[]})}init(){const t=this.editor,e=t.config.get("mention.commitKeys")||Jy,n=Zy.concat(e);this._balloon=t.plugins.get(Vh),t.editing.view.document.on("keydown",((t,o)=>{var i;i=o.keyCode,n.includes(i)&&this._isUIVisible&&(o.preventDefault(),t.stop(),o.keyCode==ur.arrowdown&&this._mentionsView.selectNext(),o.keyCode==ur.arrowup&&this._mentionsView.selectPrevious(),e.includes(o.keyCode)&&this._mentionsView.executeSelected(),o.keyCode==ur.esc&&this._hideUIAndRemoveMarker())}),{priority:"highest"}),Pd({emitter:this._mentionsView,activator:()=>this._isUIVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideUIAndRemoveMarker()});const o=t.config.get("mention.feeds");for(const t of o){const e=t.feed,n=t.marker;if(!nx(n))throw new s("mentionconfig-incorrect-marker",null,{marker:n});const o={marker:n,feedCallback:"function"==typeof e?e.bind(this.editor):ex(e),itemRenderer:t.itemRenderer};this._mentionsConfigurations.set(n,o)}this._setupTextWatcher(o),this.listenTo(t,"change:isReadOnly",(()=>{this._hideUIAndRemoveMarker()})),this.on("requestFeed:response",((t,e)=>this._handleFeedResponse(e))),this.on("requestFeed:error",(()=>this._hideUIAndRemoveMarker()))}destroy(){super.destroy(),this._mentionsView.destroy()}get _isUIVisible(){return this._balloon.visibleView===this._mentionsView}_createMentionView(){const t=this.editor.locale,e=new $y(t);return this._items=new So,e.items.bindTo(this._items).using((n=>{const{item:o,marker:i}=n,r=this.editor.config.get("mention.dropdownLimit")||10;if(e.items.length>=r)return;const s=new Ky(t),a=this._renderItem(o,i);return a.delegate("execute").to(s),s.children.add(a),s.item=o,s.marker=i,s.on("execute",(()=>{e.fire("execute",{item:o,marker:i})})),s})),e.on("execute",((t,e)=>{const n=this.editor,o=n.model,i=e.item,r=e.marker,s=n.model.markers.get("mention"),a=o.createPositionAt(o.document.selection.focus),c=o.createPositionAt(s.getStart()),l=o.createRange(c,a);this._hideUIAndRemoveMarker(),n.execute("mention",{mention:i,text:i.text,marker:r,range:l}),n.editing.view.focus()})),e}_getItemRenderer(t){const{itemRenderer:e}=this._mentionsConfigurations.get(t);return e}_requestFeed(t,e){this._lastRequested=e;const{feedCallback:n}=this._mentionsConfigurations.get(t),o=n(e);o instanceof Promise?o.then((n=>{this._lastRequested==e?this.fire("requestFeed:response",{feed:n,marker:t,feedText:e}):this.fire("requestFeed:discarded",{feed:n,marker:t,feedText:e})})).catch((e=>{this.fire("requestFeed:error",{error:e}),a("mention-feed-callback-error",{marker:t})})):this.fire("requestFeed:response",{feed:o,marker:t,feedText:e})}_setupTextWatcher(t){const e=this.editor,n=t.map((t=>({...t,pattern:tx(t.marker,t.minimumCharacters||0)}))),o=new zf(e.model,function(t){return e=>{const n=Xy(t,e);if(!n)return!1;let o=0;0!==n.position&&(o=n.position-1);const i=e.substring(o);return n.pattern.test(i)}}(n));o.on("matched",((t,o)=>{const i=Xy(n,o.text),r=e.model.document.selection.focus;if(function(t){const e=t.textNode&&t.textNode.hasAttribute("mention"),n=t.nodeBefore;return e||n&&n.is("$text")&&n.hasAttribute("mention")}(r))return void this._hideUIAndRemoveMarker();const s=function(t,e){let n=0;0!==t.position&&(n=t.position-1);const o=tx(t.marker,0),i=e.substring(n);return i.match(o)[2]}(i,o.text),a=i.marker.length+s.length,c=r.getShiftedBy(-a),l=r.getShiftedBy(-s.length),d=e.model.createRange(c,l);if(ox(e)){const t=e.model.markers.get("mention");e.model.change((e=>{e.updateMarker(t,{range:d})}))}else e.model.change((t=>{t.addMarker("mention",{range:d,usingOperation:!1,affectsData:!1})}));this._requestFeedDebounced(i.marker,s)})),o.on("unmatched",(()=>{this._hideUIAndRemoveMarker()}));const i=e.commands.get("mention");return o.bind("isEnabled").to(i),o}_handleFeedResponse(t){const{feed:e,marker:n}=t;if(!ox(this.editor))return;this._items.clear();for(const t of e){const e="object"!=typeof t?{id:t,text:t}:t;this._items.add({item:e,marker:n})}const o=this.editor.model.markers.get("mention");this._items.length?this._showOrUpdateUI(o):this._hideUIAndRemoveMarker()}_showOrUpdateUI(t){this._isUIVisible?this._balloon.updatePosition(this._getBalloonPanelPositionData(t,this._mentionsView.position)):this._balloon.add({view:this._mentionsView,position:this._getBalloonPanelPositionData(t,this._mentionsView.position),singleViewMode:!0}),this._mentionsView.position=this._balloon.view.position,this._mentionsView.selectFirst()}_hideUIAndRemoveMarker(){this._balloon.hasView(this._mentionsView)&&this._balloon.remove(this._mentionsView),ox(this.editor)&&this.editor.model.change((t=>t.removeMarker("mention"))),this._mentionsView.position=void 0}_renderItem(t,e){const n=this.editor;let o,i=t.id;const r=this._getItemRenderer(e);if(r){const e=r(t);"string"!=typeof e?o=new Gy(n.locale,e):i=e}if(!o){const t=new pu(n.locale);t.label=i,t.withText=!0,o=t}return o}_getBalloonPanelPositionData(t,e){const n=this.editor,o=n.editing,i=o.view.domConverter,r=o.mapper;return{target:()=>{let e=t.getRange();"$graveyard"==e.start.root.rootName&&(e=n.model.document.selection.getFirstRange());const o=r.toViewRange(e);return ya.getDomRangeRects(i.viewRangeToDom(o)).pop()},limiter:()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},positions:Qy(e)}}}function Qy(t){const e={caret_se:t=>({top:t.bottom+3,left:t.right,name:"caret_se",config:{withArrow:!1}}),caret_ne:(t,e)=>({top:t.top-e.height-3,left:t.right,name:"caret_ne",config:{withArrow:!1}}),caret_sw:(t,e)=>({top:t.bottom+3,left:t.right-e.width,name:"caret_sw",config:{withArrow:!1}}),caret_nw:(t,e)=>({top:t.top-e.height-3,left:t.right-e.width,name:"caret_nw",config:{withArrow:!1}})};return Object.prototype.hasOwnProperty.call(e,t)?[e[t]]:[e.caret_se,e.caret_sw,e.caret_ne,e.caret_nw]}function Xy(t,e){let n;for(const o of t){const t=e.lastIndexOf(o.marker);t>0&&!e.substring(t-1).match(o.pattern)||(!n||t>=n.position)&&(n={marker:o.marker,position:t,minimumCharacters:o.minimumCharacters,pattern:o.pattern})}return n}function tx(t,e){const n=0==e?"*":`{${e},}`,o=ar.features.isRegExpUnicodePropertySupported?"\\p{Ps}\\p{Pi}\"'":"\\(\\[{\"'";return new RegExp(`(?:^|[ ${o}])([${t}])(.${n})$`,"u")}function ex(t){return e=>t.filter((t=>("string"==typeof t?t:String(t.id)).toLowerCase().includes(e.toLowerCase())))}function nx(t){return t&&1==t.length}function ox(t){return t.model.markers.has("mention")}var ix=n(7583),rx={attributes:{"data-cke":!0}};rx.setAttributes=is(),rx.insert=ns().bind(null,"head"),rx.domAPI=ts(),rx.insertStyleElement=ss();Qr()(ix.Z,rx);ix.Z&&ix.Z.locals&&ix.Z.locals;class sx extends ge{refresh(){const t=this.editor,e=t.plugins.get("ImageUtils").getClosestSelectedImageElement(t.model.document.selection);this.isEnabled=!!e,e&&e.hasAttribute("width")?this.value={width:e.getAttribute("width"),height:null}:this.value=null}execute(t){const e=this.editor,n=e.model,o=e.plugins.get("ImageUtils").getClosestSelectedImageElement(n.document.selection);this.value={width:t.width,height:null},o&&n.change((e=>{e.setAttribute("width",t.width,o)}))}}class ax extends pe{static get requires(){return[af]}static get pluginName(){return"ImageResizeEditing"}constructor(t){super(t),t.config.define("image",{resizeUnit:"%",resizeOptions:[{name:"resizeImage:original",value:null,icon:"original"},{name:"resizeImage:25",value:"25",icon:"small"},{name:"resizeImage:50",value:"50",icon:"medium"},{name:"resizeImage:75",value:"75",icon:"large"}]})}init(){const t=this.editor,e=new sx(t);this._registerSchema(),this._registerConverters("imageBlock"),this._registerConverters("imageInline"),t.commands.add("resizeImage",e),t.commands.add("imageResize",e)}_registerSchema(){this.editor.plugins.has("ImageBlockEditing")&&this.editor.model.schema.extend("imageBlock",{allowAttributes:"width"}),this.editor.plugins.has("ImageInlineEditing")&&this.editor.model.schema.extend("imageInline",{allowAttributes:"width"})}_registerConverters(t){const e=this.editor;e.conversion.for("downcast").add((e=>e.on(`attribute:width:${t}`,((t,e,n)=>{if(!n.consumable.consume(e.item,t.name))return;const o=n.writer,i=n.mapper.toViewElement(e.item);null!==e.attributeNewValue?(o.setStyle("width",e.attributeNewValue,i),o.addClass("image_resized",i)):(o.removeStyle("width",i),o.removeClass("image_resized",i))})))),e.conversion.for("upcast").attributeToAttribute({view:{name:"imageBlock"===t?"figure":"img",styles:{width:/.+/}},model:{key:"width",value:t=>t.getStyle("width")}})}}const cx={small:Td.objectSizeSmall,medium:Td.objectSizeMedium,large:Td.objectSizeLarge,original:Td.objectSizeFull};class lx extends pe{static get requires(){return[ax]}static get pluginName(){return"ImageResizeButtons"}constructor(t){super(t),this._resizeUnit=t.config.get("image.resizeUnit")}init(){const t=this.editor,e=t.config.get("image.resizeOptions"),n=t.commands.get("resizeImage");this.bind("isEnabled").to(n);for(const t of e)this._registerImageResizeButton(t);this._registerImageResizeDropdown(e)}_registerImageResizeButton(t){const e=this.editor,{name:n,value:o,icon:i}=t,r=o?o+this._resizeUnit:null;e.ui.componentFactory.add(n,(n=>{const o=new pu(n),a=e.commands.get("resizeImage"),c=this._getOptionLabelValue(t,!0);if(!cx[i])throw new s("imageresizebuttons-missing-icon",e,t);return o.set({label:c,icon:cx[i],tooltip:c,isToggleable:!0}),o.bind("isEnabled").to(this),o.bind("isOn").to(a,"value",dx(r)),this.listenTo(o,"execute",(()=>{e.execute("resizeImage",{width:r})})),o}))}_registerImageResizeDropdown(t){const e=this.editor,n=e.t,o=t.find((t=>!t.value)),i=i=>{const r=e.commands.get("resizeImage"),s=nh(i,Su),a=s.buttonView;return a.set({tooltip:n("Resize image"),commandValue:o.value,icon:cx.medium,isToggleable:!0,label:this._getOptionLabelValue(o),withText:!0,class:"ck-resize-image-button"}),a.bind("label").to(r,"value",(t=>t&&t.width?t.width:this._getOptionLabelValue(o))),s.bind("isOn").to(r),s.bind("isEnabled").to(this),ih(s,this._getResizeDropdownListItemDefinitions(t,r)),s.listView.ariaLabel=n("Image resize list"),this.listenTo(s,"execute",(t=>{e.execute(t.source.commandName,{width:t.source.commandValue}),e.editing.view.focus()})),s};e.ui.componentFactory.add("resizeImage",i),e.ui.componentFactory.add("imageResize",i)}_getOptionLabelValue(t,e){const n=this.editor.t;return t.label?t.label:e?t.value?n("Resize image to %0",t.value+this._resizeUnit):n("Resize image to the original size"):t.value?t.value+this._resizeUnit:n("Original")}_getResizeDropdownListItemDefinitions(t,e){const n=new So;return t.map((t=>{const o=t.value?t.value+this._resizeUnit:null,i={type:"button",model:new Eh({commandName:"resizeImage",commandValue:o,label:this._getOptionLabelValue(t),withText:!0,icon:null})};i.model.bind("isOn").to(e,"value",dx(o)),n.add(i)})),n}}function dx(t){return e=>null===t&&e===t||e&&e.width===t}const ux=/(image|image-inline)/,hx="image_resized";class px extends pe{static get requires(){return[nf]}static get pluginName(){return"ImageResizeHandles"}init(){const t=this.editor.commands.get("resizeImage");this.bind("isEnabled").to(t),this._setupResizerCreator()}_setupResizerCreator(){const t=this.editor,e=t.editing.view;e.addObserver(Gb),this.listenTo(e.document,"imageLoaded",((n,o)=>{if(!o.target.matches("figure.image.ck-widget > img,figure.image.ck-widget > picture > img,figure.image.ck-widget > a > img,figure.image.ck-widget > a > picture > img,span.image-inline.ck-widget > img,span.image-inline.ck-widget > picture > img"))return;const i=t.editing.view.domConverter,r=i.domToView(o.target).findAncestor({classes:ux});let s=this.editor.plugins.get(nf).getResizerByViewElement(r);if(s)return void s.redraw();const a=t.editing.mapper,c=a.toModelElement(r);s=t.plugins.get(nf).attachTo({unit:t.config.get("image.resizeUnit"),modelElement:c,viewElement:r,editor:t,getHandleHost:t=>t.querySelector("img"),getResizeHost:()=>i.viewToDom(a.toViewElement(c.parent)),isCentered(){const t=c.getAttribute("imageStyle");return!t||"block"==t||"alignCenter"==t},onCommit(n){e.change((t=>{t.removeClass(hx,r)})),t.execute("resizeImage",{width:n})}}),s.on("updateSize",(()=>{r.hasClass(hx)||e.change((t=>{t.addClass(hx,r)}))})),s.bind("isEnabled").to(this)}))}}var mx=n(1043),gx={attributes:{"data-cke":!0}};gx.setAttributes=is(),gx.insert=ns().bind(null,"head"),gx.domAPI=ts(),gx.insertStyleElement=ss();Qr()(mx.Z,gx);mx.Z&&mx.Z.locals&&mx.Z.locals;class fx extends ge{refresh(){const t=this.editor.plugins.get("ImageUtils").getClosestSelectedImageElement(this.editor.model.document.selection);this.isEnabled=!!t,this.isEnabled&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor,n=e.plugins.get("ImageUtils"),o=e.model,i=n.getClosestSelectedImageElement(o.document.selection);o.change((e=>{e.setAttribute("alt",t.newValue,i)}))}}class bx extends pe{static get requires(){return[af]}static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new fx(this.editor))}}var kx=n(6831),wx={attributes:{"data-cke":!0}};wx.setAttributes=is(),wx.insert=ns().bind(null,"head"),wx.domAPI=ts(),wx.insertStyleElement=ss();Qr()(kx.Z,wx);kx.Z&&kx.Z.locals&&kx.Z.locals;class _x extends Od{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Pa,this.keystrokes=new Ia,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("Save"),Td.check,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("Cancel"),Td.cancel,"ck-button-cancel","cancel"),this._focusables=new zd,this._focusCycler=new Au({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + 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t=this.editor,e=t.editing.view.document,n=t.plugins.get("ImageUtils");this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new _x(t.locale),this._form.render(),this.listenTo(this._form,"submit",(()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)})),this.listenTo(this._form,"cancel",(()=>{this._hideForm(!0)})),this._form.keystrokes.set("Esc",((t,e)=>{this._hideForm(!0),e()})),this.listenTo(t.ui,"update",(()=>{n.getClosestSelectedImageWidget(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(t.plugins.get("ImageUtils").getClosestSelectedImageWidget(t.editing.view.document.selection)){const n=Cx(t);e.updatePosition(n)}}(t):this._hideForm(!0)})),Pd({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._form.disableCssTransitions(),this._isInBalloon||this._balloon.add({view:this._form,position:Cx(t)}),n.fieldView.value=n.fieldView.element.value=e.value||"",this._form.labeledInput.fieldView.select(),this._form.enableCssTransitions()}_hideForm(t){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class vx extends pe{static get requires(){return[bx,Ax]}static get pluginName(){return"ImageTextAlternative"}}var yx=n(9048),xx={attributes:{"data-cke":!0}};xx.setAttributes=is(),xx.insert=ns().bind(null,"head"),xx.domAPI=ts(),xx.insertStyleElement=ss();Qr()(yx.Z,xx);yx.Z&&yx.Z.locals&&yx.Z.locals;const Ex=[Cm,class extends pe{static get requires(){return[Sm,tg,sg]}static get pluginName(){return"OPMacroEmbeddedTable"}static get buttonName(){return Sm.buttonName}},class extends pe{static get requires(){return[lg,tg,dg]}static get pluginName(){return"OPMacroWpButton"}static get buttonName(){return lg.buttonName}},class extends pe{static get requires(){return[gf,tg,ff]}static get pluginName(){return"OPChildPages"}static get buttonName(){return gf.buttonName}}],Dx=[class extends pe{static get requires(){return[hg,hf]}static get pluginName(){return"OpUploadPlugin"}init(){this.editor.plugins.get("FileRepository").createUploadAdapter=t=>{const e=ym(this.editor);return new mg(t,e,this.editor)}}},class extends pe{static get pluginName(){return"OPAttachmentListener"}init(){this.editor.model.on("op:attachment-removed",((t,e)=>{this.removeDeletedImage(e)}))}removeDeletedImage(t){let e=this.editor.model.document.getRoot();for(const n of Array.from(e.getChildren()))if("image"===n.name&&t.indexOf(n.getAttribute("src"))>-1){const t=new dc(n,"on");this.editor.model.deleteContent(t)}}}],Sx=[class extends pe{static get requires(){return[$g,Rm,Ef,_f,If,Xf]}static get pluginName(){return"Essentials"}},class extends pe{static get requires(){return[hg]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(hg).createUploadAdapter=e=>new ob(e,t,this.editor.t))}},class extends pe{static get requires(){return[Lm]}static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats(),this._addCodeBlockAutoformats(),this._addHorizontalLineAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&ib(this.editor,this,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&ib(this.editor,this,/^1[.|)]\s$/,"numberedList"),t.get("todoList")&&ib(this.editor,this,/^\[\s?\]\s$/,"todoList"),t.get("checkTodoList")&&ib(this.editor,this,/^\[\s?x\s?\]\s$/,(()=>{this.editor.execute("todoList"),this.editor.execute("checkTodoList")}))}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=ab(this.editor,"bold");rb(this.editor,this,/(?:^|\s)(\*\*)([^*]+)(\*\*)$/g,t),rb(this.editor,this,/(?:^|\s)(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=ab(this.editor,"italic");rb(this.editor,this,/(?:^|\s)(\*)([^*_]+)(\*)$/g,t),rb(this.editor,this,/(?:^|\s)(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=ab(this.editor,"code");rb(this.editor,this,/(`)([^`]+)(`)$/g,t)}if(t.get("strikethrough")){const t=ab(this.editor,"strikethrough");rb(this.editor,this,/(~~)([^~]+)(~~)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");t&&t.modelElements.filter((t=>t.match(/^heading[1-6]$/))).forEach((e=>{const n=e[7],o=new RegExp(`^(#{${n}})\\s$`);ib(this.editor,this,o,(()=>{if(!t.isEnabled||t.value===e)return!1;this.editor.execute("heading",{value:e})}))}))}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&ib(this.editor,this,/^>\s$/,"blockQuote")}_addCodeBlockAutoformats(){const t=this.editor,e=t.model.document.selection;t.commands.get("codeBlock")&&ib(t,this,/^```$/,(()=>{if(e.getFirstPosition().parent.is("element","listItem"))return!1;this.editor.execute("codeBlock",{usePreviousLanguageChoice:!0})}))}_addHorizontalLineAutoformats(){this.editor.commands.get("horizontalLine")&&ib(this.editor,this,/^---$/,"horizontalLine")}},class extends pe{static get requires(){return[db,hb]}static get pluginName(){return"Bold"}},class extends pe{static get requires(){return[mb,kb]}static get pluginName(){return"Code"}},class extends pe{static get requires(){return[yb,Eb]}static get pluginName(){return"Italic"}},class extends pe{static get requires(){return[_b,Ab]}static get pluginName(){return"Strikethrough"}},class extends pe{static get requires(){return[Pb,zb]}static get pluginName(){return"BlockQuote"}},class extends pe{static get requires(){return[qb,Ub]}static get pluginName(){return"Heading"}},class extends pe{static get requires(){return[Yb,tg,vx]}static get pluginName(){return"ImageBlock"}},class extends pe{static get requires(){return[ek,ok]}static get pluginName(){return"ImageCaption"}},class extends pe{static get requires(){return[_k,vk]}static get pluginName(){return"ImageStyle"}},class extends pe{static get requires(){return[ax,px,lx]}static get pluginName(){return"ImageResize"}},class extends pe{static get requires(){return[Gg,af]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor,e=t.t,n=t.plugins.get(Gg),o=t.plugins.get("ImageUtils");var i;n.register("image",{ariaLabel:e("Image toolbar"),items:(i=t.config.get("image.toolbar")||[],i.map((t=>y(t)?t.name:t))),getRelatedElement:t=>o.getClosestSelectedImageWidget(t)})}},class extends pe{static get pluginName(){return"OpImageAttachmentLookup"}init(){const t=this.editor,e=t.conversion,n=ym(t);e.for("editingDowncast").add(function(t){return t=>{t.on("attribute:src:imageBlock",e,{priority:"highest"})};function e(e,n,o){let i=n.attributeNewValue;if(!i||!t.lookupDownloadLocationByName)return;const r=t.lookupDownloadLocationByName(i);n.attributeNewValue=r||i}}(n)),e.for("dataDowncast").add(function(t){return t=>{t.on("attribute:src:imageBlock",e,{priority:"highest"})};function e(e,n,o){let i=n.attributeNewValue;if(!i||!t.lookupDownloadLocationByName)return;const r=t.lookupDownloadLocationByName(i);n.attributeNewValue=r||i;const s=o.writer,a=o.mapper.toViewElement(n.item).getChild(0);r&&s.setAttribute("data-original-src",i,a)}}(n))}},class extends pe{static get requires(){return[lw,Aw,xw]}static get pluginName(){return"Link"}},class extends pe{static get requires(){return[Qw,t_]}static get pluginName(){return"List"}},class extends pe{static get requires(){return[Uv,$v]}static get pluginName(){return"TodoList"}},Mb,If,class extends pe{toMentionAttribute(t,e){return Vy(t,e)}static get pluginName(){return"Mention"}static get requires(){return[Oy,Yy]}},function(t){const e=xm(t),n=t.editing.view,o=n.document;n.addObserver(up),t.listenTo(o,"click",((t,e)=>{if("A"===e.domTarget.nodeName&&e.domTarget.classList.contains("mention")){const t=document.createElement("a");t.target="_blank",t.href=e.domTarget.attributes.href.value,t.click()}})),t.conversion.for("upcast").elementToAttribute({view:{name:"mention",key:"data-mention",classes:"mention"},model:{key:"mention",value:n=>{const o=n.getAttribute("data-id"),i=n.getAttribute("data-type"),r=n.getAttribute("data-text"),s=function(t,n){const o=e.services.apiV3Service[`${n}s`].segment;return`${window.OpenProject.urlRoot}/${o}/${t}`}(o,i);return t.plugins.get("Mention").toMentionAttribute(n,{idNumber:o,link:s,text:r,type:i})}},converterPriority:"high"}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",key:"data-mention",classes:"mention"},model:{key:"mention",value:t=>{const e=[...t.getChildren()][0],n=e&&e.data;if(n){const t=`[Invalid mention: ${n}]`;e._data=t}}},converterPriority:"high"}),t.conversion.for("editingDowncast").attributeToElement({model:"mention",converterPriority:"high",view:(t,{writer:e})=>{if(!t)return;return e.createAttributeElement("a",{class:"mention",href:t.link,"data-mention":t.text,title:t.text})}}),t.conversion.for("dataDowncast").attributeToElement({model:"mention",converterPriority:"high",view:(t,{writer:e})=>{if(!t)return;return e.createAttributeElement("mention",{class:"mention","data-id":t.idNumber,"data-type":t.type,"data-text":t.text})}})},class extends pe{static get pluginName(){return"PasteFromOffice"}static get requires(){return[Og]}init(){const t=this.editor,e=t.editing.view.document,n=[];n.push(new Fv(e)),n.push(new Tv(e)),t.plugins.get("ClipboardPipeline").on("inputTransformation",((t,o)=>{if(o._isTransformedWithPasteFromOffice)return;const i=o.dataTransfer.getData("text/html"),r=n.find((t=>t.isActive(i)));r&&(o._parsedData=Ov(i,e.stylesProcessor),r.execute(o),o._isTransformedWithPasteFromOffice=!0)}),{priority:"high"})}},class extends pe{static get pluginName(){return"OPHelpLinkPlugin"}init(){const t=this.editor,e=(t.model,t.config.get("openProject.helpURL"));t.ui.componentFactory.add("openProjectShowFormattingHelp",(t=>{const n=new pu(t);return n.set({label:window.I18n.t("js.inplace.link_formatting_help"),icon:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M415.462 96.978c-88.1-88.1-230.824-88.1-318.924 0-87.22 87.22-87.22 229.943 0 318.044 88.1 88.1 230.824 88.1 318.924 0 87.22-88.1 87.22-230.824 0-318.044zM246.31 437.047c-24.668 0-44.05-20.263-44.05-44.05 0-24.669 19.382-44.05 44.05-44.05 24.668 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t=this.editor,e=(t.config.get("removePlugins")||[]).map((t=>t.pluginName)),n=window.I18n.t("js.editor.macro.dropdown.chose_macro");!0!==t.config.get("openProject.disableAllMacros")&&t.ui.componentFactory.add("macroList",(o=>{const i=[];for(const n of Ex){if(-1!==e.indexOf(n.pluginName))continue;const o=t.ui.componentFactory.create(n.buttonName);i.push(o)}const r=nh(o);return oh(r,i),r.buttonView.set({isOn:!1,withText:!0,tooltip:n,label:window.I18n.t("js.editor.macro.dropdown.macros")}),r.toolbarView.isVertical=!0,r.toolbarView.className="op-macro-list-button",r}))}},class extends pe{get config(){const t="op-uc-";return{preFix:t,editorClasses:["op-uc-container","op-uc-container_editing"],elementsWithCustomClassesMap:{paragraph:"op-uc-p",heading1:"op-uc-h1",heading2:"op-uc-h2",heading3:"op-uc-h3",heading4:"op-uc-h4",heading5:"op-uc-h5",heading6:"op-uc-h6",blockQuote:"op-uc-blockquote",figure:"op-uc-figure",table:"op-uc-table",thead:"op-uc-table--head",tr:"op-uc-table--row",td:"op-uc-table--cell",th:["op-uc-table--cell","op-uc-table--cell_head"],tableCell:"op-uc-table--cell",tableRow:"op-uc-table--row",ol:"op-uc-list",ul:"op-uc-list",todo:"op-uc-list op-uc-list_task-list",listItem:"op-uc-list--item",li:"op-uc-list--item",imageBlock:"op-uc-image",img:"op-uc-image",codeblock:"op-uc-code-block",caption:"op-uc-figure--description","op-macro-embedded-table":["op-uc-placeholder","op-uc-embedded-table"],"op-macro-wp-button":["op-uc-placeholder","op-uc-wp-button"],"op-macro-child-pages":["op-uc-placeholder","op-uc-child-pages"],"op-macro-toc":["op-uc-placeholder","op-uc-toc"],content:"op-uc-figure--content"},attributesWithCustomClassesMap:{code:"op-uc-code",linkHref:"op-uc-link",alignment:"op-uc-figure_align-",tableAlignment:"op-uc-figure_align-",todo:"op-uc-list_task-list",numbered:"op-uc-list",bulleted:"op-uc-list",listType:null,headingColumns:null,width:null,uploadStatus:null},alignmentValuesMap:{left:"start",right:"end",center:"center",default:"center"}}}init(){this._addCustomCSSClassesToTheEditorContainer(this.editor),this._addCustomCSSClassesToElements(this.config),this._addCustomCSSClassesToAttributes(this.config)}_addCustomCSSClassesToTheEditorContainer(t){t.sourceElement.classList.add(...this.config.editorClasses)}_addCustomCSSClassesToElements(t){this.editor.model.schema.extend("table",{allowAttributes:["figureClasses"]}),this.editor.conversion.for("upcast").add((e=>e.on("element:table",this._manageTableUpcast(t))),{priority:"high"}),this.editor.conversion.for("downcast").add((e=>e.on("insert",this._manageElementsInsertion(t),{priority:"low"})))}_addCustomCSSClassesToAttributes(t){this.editor.conversion.for("downcast").add((e=>e.on("attribute",this._manageAttributesInsertion(t),{priority:"low"})))}_manageTableUpcast(t){return(e,n,o)=>{const i=o.writer,r=n.viewItem,s=n.modelRange,a=s&&s.start.nodeAfter;if(!a)return;let c=a.getAttribute("figureClasses")||[],l=r.parent.getClassNames&&r.parent.getClassNames();const d=l?[...l].filter((t=>!!t)):[];c=[...c,...d];const u=d.filter((e=>e.startsWith(t.attributesWithCustomClassesMap.alignment)))[0],h=u&&u.replace(t.attributesWithCustomClassesMap.alignment,"")||t.alignmentValuesMap.default,p=Object.keys(t.alignmentValuesMap).find((e=>t.alignmentValuesMap[e]===h));if(!u){const e=`${t.attributesWithCustomClassesMap.alignment}${h}`;c=[...c,e]}i.setAttribute("figureClasses",c,a),"center"===p?i.setAttribute("alignment",null,a):i.setAttribute("alignment",p,a)}}_manageElementsInsertion(t){return(e,n,o)=>{const i=Object.keys(t.elementsWithCustomClassesMap),r=o.writer,s=n.item.name,a=n.item,c=o.mapper.toViewElement(a);let l=[c];const d=["imageBlock","table","tableCell","tableRow","listItem"].includes(s);if(i.includes(s)&&c){if(d)if("listItem"===s)l=this._manageListItems(r,a,c,l,t);else{const e=c,n=Array.from(r.createRangeIn(c).getItems());if("imageBlock"===s){const o=n.find((t=>t.is("element","img")));this._wrapInFigureContentContainer(o,e,t,r),l=[...l,o]}else if("table"===s||"tableRow"===s){const o=n.filter((t=>i.includes(t.name)));if(l=[...l,...o],"table"===s){if(!a.getAttribute("tableAlignment")){const n=`${t.attributesWithCustomClassesMap.alignment}${t.alignmentValuesMap.default}`;r.addClass(n,e)}}}}l.forEach((e=>{const n=d?e.name:s,o=t.elementsWithCustomClassesMap[n];r.addClass(o,e)}))}}}_manageAttributesInsertion(t){return(e,n,o)=>{const i=Object.keys(t.attributesWithCustomClassesMap),r=n.attributeKey,s=o.writer,a=n.item,c=o.mapper.toViewElement(a);if(i.includes(r))if("linkHref"===r||"code"===r){const e="linkHref"===r?"a":r,i="linkHref"===r?5:10,c=s.document.selection,l=s.createAttributeElement(e,{class:t.attributesWithCustomClassesMap[r]},{priority:i});a.is("selection")?s.wrap(c.getFirstRange(),l):s.wrap(o.mapper.toViewRange(n.range),l)}else if("tableAlignment"===r){const e=c,o=t.alignmentValuesMap[n.attributeNewValue||t.alignmentValuesMap.default];Object.values(t.alignmentValuesMap).map((e=>`${t.attributesWithCustomClassesMap[r]}${e}`)).filter((t=>e.hasClass(t))).forEach((t=>s.removeClass(t,e))),e.hasStyle("float")&&s.removeStyle("float",e),s.addClass(`${t.attributesWithCustomClassesMap[r]}${o}`,e)}else if("listType"===r){this._manageListItems(s,a,c,[c],t).forEach((e=>{const n=e.name,o=t.elementsWithCustomClassesMap[n];s.addClass(o,e)}))}else if("headingColumns"===r){const e=n.attributeNewValue,o=Array.from(s.createRangeIn(c).getItems()).filter((e=>Object.keys(t.elementsWithCustomClassesMap).includes(e.name)));e?o.forEach((e=>{const n=e.name,o=t.elementsWithCustomClassesMap[n];s.addClass(o,e)})):o.filter((e=>e.hasClass(t.elementsWithCustomClassesMap.th[1]))).forEach((e=>{const n=e.nextSibling;n&&"th"!==n.name&&s.removeClass(t.elementsWithCustomClassesMap.th[1],e)}))}else if("width"===r)c.hasClass("image_resized")&&s.removeClass("image_resized",c);else if("uploadStatus"===r&&"complete"===n.attributeNewValue){let t=Array.from(s.createRangeIn(c).getItems()).find((t=>t.hasClass("ck-upload-placeholder-loader")));t&&s.remove(s.createRangeOn(t))}}}_manageListItems(t,e,n,o,i){const r=n.parent,s=e.getAttribute("listType"),a=i.attributesWithCustomClassesMap[s],c=r.previousSibling,l=r.nextSibling,d=c&&c.name===r.name&&c.hasClass(a)?c:null,u=l&&l.name===r.name&&l.hasClass(a)?l:null;if(d&&t.mergeContainers(t.createPositionAfter(d)),u&&t.mergeContainers(t.createPositionBefore(u)),"todo"===s)t.addClass(a,r);else{const e=i.attributesWithCustomClassesMap.todo;r.hasClass(e)&&t.removeClass(e,r)}return[...o,r]}_wrapInFigureContentContainer(t,e,n,o){const i=o.createContainerElement("div",{class:n.elementsWithCustomClassesMap.content});o.insert(o.createPositionAt(i,0),t),o.insert(o.createPositionAt(e,0),i)}}].concat(Ex,Dx);function Bx(t){const e=document.createElement("span");return e.classList.add("mention-list-item"),e.textContent=t.name,e}const Tx={heading:{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h1",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h2",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h3",title:"Heading 3",class:"ck-heading_heading3"},{model:"heading4",view:"h4",title:"Heading 4",class:"ck-heading_heading4"},{model:"heading5",view:"h5",title:"Heading 5",class:"ck-heading_heading5"}]},toolbar:{},OPMacroEmbeddedTable:{toolbar:["opEditEmbeddedTableQuery"]},OPMacroWpButton:{toolbar:["opEditWpMacroButton"]},OPWikiIncludePage:{toolbar:["opEditWikiIncludeMacroButton"]},OPCodeBlock:{toolbar:["opEditCodeBlock"]},OPChildPages:{toolbar:["opEditChildPagesMacroButton"]},image:{resizeOptions:[{name:"imageResize:original",value:null,icon:"original"},{name:"imageResize:50",value:"50",icon:"medium"},{name:"imageResize:75",value:"75",icon:"large"}],toolbar:["toggleImageCaption","imageTextAlternative","|","imageResize:50","imageResize:75","imageResize:original"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells","tableProperties","tableCellProperties"]},mention:{feeds:[{marker:"@",feed:function(t){let e=this,n=ym(e);if(!n||"WorkPackage"!==n._type)return[];const o=function(t,e){return xm(t).helpers[e]}(e,"idFromLink")(n.project.href),i=Dm(e).api.v3.principals(o,t),r=xm(e),s=window.OpenProject.urlRoot;return new Promise(((t,e)=>{jQuery.getJSON(i,(e=>{t(e._embedded.elements.map((t=>{const e=t._type.toLowerCase(),n=`@${t.name}`,o=`@${t.id}`,i=t.id,a=r.services.apiV3Service[`${e}s`].segment;return{type:e,id:o,text:n,link:`${s}/${a}/${i}`,idNumber:i,name:t.name}})))}))}))},itemRenderer:Bx,minimumCharacters:0},{marker:"#",feed:function(t){const e=window.OpenProject.urlRoot+"/work_packages/auto_complete.json";let n=window.OpenProject.urlRoot+"/work_packages/";return new Promise(((o,i)=>{jQuery.getJSON(e,{q:t,scope:"all"},(t=>{o(t.map((t=>{const e=`#${t.id}`;return{id:e,idNumber:t.id,type:"work_package",text:e,name:t.to_s,link:n+t.id}})))}))}))},itemRenderer:Bx,minimumCharacters:1}]},language:"en"};function Px(t){return(e,n)=>{const o=n.openProject.context;n.removePlugins=n.removePlugins||[];const i=o.resource;if(i&&i.canAddAttachments||n.removePlugins.push(...Dx.map((t=>t.pluginName))),!1===o.macros&&(n.openProject.disableAllMacros=!0,n.removePlugins.push(...Ex.map((t=>t.pluginName)))),Array.isArray(o.macros)){const t=Ex.filter((t=>-1===o.macros.indexOf(t.pluginName)));n.removePlugins.push(...t)}return t.create(e,n).then((t=>t))}}class Ix extends Xp{}class Rx extends Xp{}window.OPConstrainedEditor=Ix,window.OPClassicEditor=Rx,window.OPEditorWatchdog=class extends class{constructor(t){if(this.crashes=[],this.state="initializing",this._crashNumberLimit="number"==typeof t.crashNumberLimit?t.crashNumberLimit:3,this._now=Date.now,this._minimumNonErrorTimePeriod="number"==typeof t.minimumNonErrorTimePeriod?t.minimumNonErrorTimePeriod:5e3,this._boundErrorHandler=t=>{const e=t.error||t.reason;e instanceof Error&&this._handleError(e,t)},this._listeners={},!this._restart)throw new Error("The Watchdog class was split into the abstract `Watchdog` class and the `EditorWatchdog` class. Please, use `EditorWatchdog` if you have used the `Watchdog` class previously.")}setCreator(t){this._creator=t}setDestructor(t){this._destructor=t}destroy(){this._stopErrorHandling(),this._listeners={}}on(t,e){this._listeners[t]||(this._listeners[t]=[]),this._listeners[t].push(e)}off(t,e){this._listeners[t]=this._listeners[t].filter((t=>t!==e))}_fire(t,...e){const n=this._listeners[t]||[];for(const t of n)t.apply(this,[null,...e])}_startErrorHandling(){window.addEventListener("error",this._boundErrorHandler),window.addEventListener("unhandledrejection",this._boundErrorHandler)}_stopErrorHandling(){window.removeEventListener("error",this._boundErrorHandler),window.removeEventListener("unhandledrejection",this._boundErrorHandler)}_handleError(t,e){if(this._shouldReactToError(t)){this.crashes.push({message:t.message,stack:t.stack,filename:e.filename,lineno:e.lineno,colno:e.colno,date:this._now()});const n=this._shouldRestart();this.state="crashed",this._fire("stateChange"),this._fire("error",{error:t,causesRestart:n}),n?this._restart():(this.state="crashedPermanently",this._fire("stateChange"))}}_shouldReactToError(t){return t.is&&t.is("CKEditorError")&&void 0!==t.context&&null!==t.context&&"ready"===this.state&&this._isErrorComingFromThisItem(t)}_shouldRestart(){if(this.crashes.length<=this._crashNumberLimit)return!0;return(this.crashes[this.crashes.length-1].date-this.crashes[this.crashes.length-1-this._crashNumberLimit].date)/this._crashNumberLimit>this._minimumNonErrorTimePeriod}}{constructor(t,e={}){super(e),this._editor=null,this._throttledSave=tm(this._save.bind(this),"number"==typeof e.saveInterval?e.saveInterval:5e3),this._creator=(e,n)=>t.create(e,n),this._destructor=t=>t.destroy()}get editor(){return this._editor}get _item(){return this._editor}_restart(){return Promise.resolve().then((()=>(this.state="initializing",this._fire("stateChange"),this._destroy()))).catch((t=>{console.error("An error happened during the editor destroying.",t)})).then((()=>{if("string"==typeof this._elementOrData)return this.create(this._data,this._config,this._config.context);{const t=Object.assign({},this._config,{initialData:this._data});return this.create(this._elementOrData,t,t.context)}})).then((()=>{this._fire("restart")}))}create(t=this._elementOrData,e=this._config,n){return Promise.resolve().then((()=>(super._startErrorHandling(),this._elementOrData=t,this._config=this._cloneEditorConfiguration(e)||{},this._config.context=n,this._creator(t,this._config)))).then((t=>{this._editor=t,t.model.document.on("change:data",this._throttledSave),this._lastDocumentVersion=t.model.document.version,this._data=this._getData(),this.state="ready",this._fire("stateChange")}))}destroy(){return Promise.resolve().then((()=>(this.state="destroyed",this._fire("stateChange"),super.destroy(),this._destroy())))}_destroy(){return Promise.resolve().then((()=>{this._stopErrorHandling(),this._throttledSave.flush();const t=this._editor;return this._editor=null,t.model.document.off("change:data",this._throttledSave),this._destructor(t)}))}_save(){const t=this._editor.model.document.version;if(t!==this._lastDocumentVersion)try{this._data=this._getData(),this._lastDocumentVersion=t}catch(t){console.error(t,"An error happened during restoring editor data. Editor will be restored from the previously saved data.")}}_setExcludedProperties(t){this._excludedProps=t}_getData(){const t={};for(const e of this._editor.model.document.getRootNames())t[e]=this._editor.data.get({rootName:e});return t}_isErrorComingFromThisItem(t){return function(t,e,n=new Set){if(t===e&&"object"==typeof(o=t)&&null!==o)return!0;var o;const i=em(t,n),r=em(e,n);for(const t of i)if(r.has(t))return!0;return!1}(this._editor,t.context,this._excludedProps)}_cloneEditorConfiguration(t){return Ao(t,((t,e)=>vo(t)||"context"===e?t:void 0))}},Rx.createCustomized=Px(Rx),Rx.builtinPlugins=Sx,Rx.defaultConfig=Object.assign({},Tx),Rx.defaultConfig.toolbar={items:["heading","|","bold","italic","strikethrough","code","insertCodeBlock","link","bulletedList","numberedList","todoList","imageUpload","blockQuote","|","insertTable","macroList","|","undo","redo","openProjectShowFormattingHelp","|","preview","opShowSource"]},Ix.createCustomized=Px(Ix),Ix.builtinPlugins=Sx,Ix.defaultConfig=Object.assign({},Tx),Ix.defaultConfig.toolbar={items:["bold","italic","strikethrough","code","insertCodeBlock","link","bulletedList","numberedList","todoList","imageUpload","blockQuote","|","openProjectShowFormattingHelp","preview","opShowSource"]}})(),o=o.default})()}));
 //# sourceMappingURL=ckeditor.js.map
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/ckeditor.js.map b/frontend/src/vendor/ckeditor/ckeditor.js.map
index 5ed87b0b1c..343254ed89 100644
--- a/frontend/src/vendor/ckeditor/ckeditor.js.map
+++ b/frontend/src/vendor/ckeditor/ckeditor.js.map
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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/ckeditorerror\n */\n\n/* globals console */\n\n/**\n * URL to the documentation with error codes.\n */\nexport const DOCUMENTATION_URL =\n\t'https://ckeditor.com/docs/ckeditor5/latest/framework/guides/support/error-codes.html';\n\n/**\n * The CKEditor error class.\n *\n * You should throw `CKEditorError` when:\n *\n * * An unexpected situation occurred and the editor (most probably) will not work properly. Such exception will be handled\n * by the {@link module:watchdog/watchdog~Watchdog watchdog} (if it is integrated),\n * * If the editor is incorrectly integrated or the editor API is used in the wrong way. This way you will give\n * feedback to the developer as soon as possible. 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Undefined if none was passed.\n\t\t *\n\t\t * @type {Object|undefined}\n\t\t */\n\t\tthis.data = data;\n\t}\n\n\t/**\n\t * Checks if the error is of the `CKEditorError` type.\n\t */\n\tis( type ) {\n\t\treturn type === 'CKEditorError';\n\t}\n\n\t/**\n\t * A utility that ensures that the thrown error is a {@link module:utils/ckeditorerror~CKEditorError} one.\n\t * It is useful when combined with the {@link module:watchdog/watchdog~Watchdog} feature, which can restart the editor in case\n\t * of a {@link module:utils/ckeditorerror~CKEditorError} error.\n\t *\n\t * @static\n\t * @param {Error} err The error to rethrow.\n\t * @param {Object} context An object connected through properties with the editor instance. This context will be used\n\t * by the watchdog to verify which editor should be restarted.\n\t */\n\tstatic rethrowUnexpectedError( err, context ) {\n\t\tif ( err.is && err.is( 'CKEditorError' ) ) {\n\t\t\tthrow err;\n\t\t}\n\n\t\t/**\n\t\t * An unexpected error occurred inside the CKEditor 5 codebase. This error will look like the original one\n\t\t * to make the debugging easier.\n\t\t *\n\t\t * This error is only useful when the editor is initialized using the {@link module:watchdog/watchdog~Watchdog} feature.\n\t\t * In case of such error (or any {@link module:utils/ckeditorerror~CKEditorError} error) the watchdog should restart the editor.\n\t\t *\n\t\t * @error unexpected-error\n\t\t */\n\t\tconst error = new CKEditorError( err.message, context );\n\n\t\t// Restore the original stack trace to make the error look like the original one.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/5595 for more details.\n\t\terror.stack = err.stack;\n\n\t\tthrow error;\n\t}\n}\n\n/**\n * Logs a warning to the console with a properly formatted message and adds a link to the documentation.\n * Use whenever you want to log a warning to the console.\n *\n *\t\t/**\n *\t\t * There was a problem processing the configuration of the toolbar. The item with the given\n *\t\t * name does not exist, so it was omitted when rendering the toolbar.\n *\t\t *\n *\t\t * @error toolbarview-item-unavailable\n *\t\t * @param {String} name The name of the component.\n *\t\t * /\n *\t\tlogWarning( 'toolbarview-item-unavailable', { name } );\n *\n * See also {@link module:utils/ckeditorerror~CKEditorError} for an explanation when to throw an error and when to log\n * a warning or an error to the console.\n *\n * @param {String} errorName The error name to be logged.\n * @param {Object} [data] Additional data to be logged.\n * @returns {String}\n */\nexport function logWarning( errorName, data ) {\n\tconsole.warn( ...formatConsoleArguments( errorName, data ) );\n}\n\n/**\n * Logs an error to the console with a properly formatted message and adds a link to the documentation.\n * Use whenever you want to log an error to the console.\n *\n *\t\t/**\n *\t\t * There was a problem processing the configuration of the toolbar. The item with the given\n *\t\t * name does not exist, so it was omitted when rendering the toolbar.\n *\t\t *\n *\t\t * @error toolbarview-item-unavailable\n *\t\t * @param {String} name The name of the component.\n *\t\t * /\n *\t\t logError( 'toolbarview-item-unavailable', { name } );\n *\n * **Note**: In most cases logging a warning using {@link module:utils/ckeditorerror~logWarning} is enough.\n *\n * See also {@link module:utils/ckeditorerror~CKEditorError} for an explanation when to use each method.\n *\n * @param {String} errorName The error name to be logged.\n * @param {Object} [data] Additional data to be logged.\n * @returns {String}\n */\nexport function logError( errorName, data ) {\n\tconsole.error( ...formatConsoleArguments( errorName, data ) );\n}\n\nfunction getLinkToDocumentationMessage( errorName ) {\n\treturn `\\nRead more: ${ DOCUMENTATION_URL }#error-${ errorName }`;\n}\n\nfunction formatConsoleArguments( errorName, data ) {\n\tconst documentationMessage = getLinkToDocumentationMessage( errorName );\n\n\treturn data ? [ errorName, data, documentationMessage ] : [ errorName, documentationMessage ];\n}\n","\"use strict\";\n\nvar isOldIE = function isOldIE() {\n  var memo;\n  return function memorize() {\n    if (typeof memo === 'undefined') {\n      // Test for IE <= 9 as proposed by Browserhacks\n      // @see http://browserhacks.com/#hack-e71d8692f65334173fee715c222cb805\n      // Tests for existence of standard globals is to allow style-loader\n      // to operate correctly into non-standard environments\n      // @see https://github.com/webpack-contrib/style-loader/issues/177\n      memo = Boolean(window && document && document.all && !window.atob);\n    }\n\n    return memo;\n  };\n}();\n\nvar getTarget = function getTarget() {\n  var memo = {};\n  return function memorize(target) {\n    if (typeof memo[target] === 'undefined') {\n      var styleTarget = document.querySelector(target); // Special case to return head of iframe instead of iframe itself\n\n      if (window.HTMLIFrameElement && styleTarget instanceof window.HTMLIFrameElement) {\n        try {\n          // This will throw an exception if access to iframe is blocked\n          // due to cross-origin restrictions\n          styleTarget = styleTarget.contentDocument.head;\n        } catch (e) {\n          // istanbul ignore next\n          styleTarget = null;\n        }\n      }\n\n      memo[target] = styleTarget;\n    }\n\n    return memo[target];\n  };\n}();\n\nvar stylesInDom = [];\n\nfunction getIndexByIdentifier(identifier) {\n  var result = -1;\n\n  for (var i = 0; i < stylesInDom.length; i++) {\n    if (stylesInDom[i].identifier === identifier) {\n      result = i;\n      break;\n    }\n  }\n\n  return result;\n}\n\nfunction modulesToDom(list, options) {\n  var idCountMap = {};\n  var identifiers = [];\n\n  for (var i = 0; i < list.length; i++) {\n    var item = list[i];\n    var id = options.base ? item[0] + options.base : item[0];\n    var count = idCountMap[id] || 0;\n    var identifier = \"\".concat(id, \" \").concat(count);\n    idCountMap[id] = count + 1;\n    var index = getIndexByIdentifier(identifier);\n    var obj = {\n      css: item[1],\n      media: item[2],\n      sourceMap: item[3]\n    };\n\n    if (index !== -1) {\n      stylesInDom[index].references++;\n      stylesInDom[index].updater(obj);\n    } else {\n      stylesInDom.push({\n        identifier: identifier,\n        updater: addStyle(obj, options),\n        references: 1\n      });\n    }\n\n    identifiers.push(identifier);\n  }\n\n  return identifiers;\n}\n\nfunction insertStyleElement(options) {\n  var style = document.createElement('style');\n  var attributes = options.attributes || {};\n\n  if (typeof attributes.nonce === 'undefined') {\n    var nonce = typeof __webpack_nonce__ !== 'undefined' ? __webpack_nonce__ : null;\n\n    if (nonce) {\n      attributes.nonce = nonce;\n    }\n  }\n\n  Object.keys(attributes).forEach(function (key) {\n    style.setAttribute(key, attributes[key]);\n  });\n\n  if (typeof options.insert === 'function') {\n    options.insert(style);\n  } else {\n    var target = getTarget(options.insert || 'head');\n\n    if (!target) {\n      throw new Error(\"Couldn't find a style target. This probably means that the value for the 'insert' parameter is invalid.\");\n    }\n\n    target.appendChild(style);\n  }\n\n  return style;\n}\n\nfunction removeStyleElement(style) {\n  // istanbul ignore if\n  if (style.parentNode === null) {\n    return false;\n  }\n\n  style.parentNode.removeChild(style);\n}\n/* istanbul ignore next  */\n\n\nvar replaceText = function replaceText() {\n  var textStore = [];\n  return function replace(index, replacement) {\n    textStore[index] = replacement;\n    return textStore.filter(Boolean).join('\\n');\n  };\n}();\n\nfunction applyToSingletonTag(style, index, remove, obj) {\n  var css = remove ? '' : obj.media ? \"@media \".concat(obj.media, \" {\").concat(obj.css, \"}\") : obj.css; // For old IE\n\n  /* istanbul ignore if  */\n\n  if (style.styleSheet) {\n    style.styleSheet.cssText = replaceText(index, css);\n  } else {\n    var cssNode = document.createTextNode(css);\n    var childNodes = style.childNodes;\n\n    if (childNodes[index]) {\n      style.removeChild(childNodes[index]);\n    }\n\n    if (childNodes.length) {\n      style.insertBefore(cssNode, childNodes[index]);\n    } else {\n      style.appendChild(cssNode);\n    }\n  }\n}\n\nfunction applyToTag(style, options, obj) {\n  var css = obj.css;\n  var media = obj.media;\n  var sourceMap = obj.sourceMap;\n\n  if (media) {\n    style.setAttribute('media', media);\n  } else {\n    style.removeAttribute('media');\n  }\n\n  if (sourceMap && btoa) {\n    css += \"\\n/*# sourceMappingURL=data:application/json;base64,\".concat(btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))), \" */\");\n  } // For old IE\n\n  /* istanbul ignore if  */\n\n\n  if (style.styleSheet) {\n    style.styleSheet.cssText = css;\n  } else {\n    while (style.firstChild) {\n      style.removeChild(style.firstChild);\n    }\n\n    style.appendChild(document.createTextNode(css));\n  }\n}\n\nvar singleton = null;\nvar singletonCounter = 0;\n\nfunction addStyle(obj, options) {\n  var style;\n  var update;\n  var remove;\n\n  if (options.singleton) {\n    var styleIndex = singletonCounter++;\n    style = singleton || (singleton = insertStyleElement(options));\n    update = applyToSingletonTag.bind(null, style, styleIndex, false);\n    remove = applyToSingletonTag.bind(null, style, styleIndex, true);\n  } else {\n    style = insertStyleElement(options);\n    update = applyToTag.bind(null, style, options);\n\n    remove = function remove() {\n      removeStyleElement(style);\n    };\n  }\n\n  update(obj);\n  return function updateStyle(newObj) {\n    if (newObj) {\n      if (newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap) {\n        return;\n      }\n\n      update(obj = newObj);\n    } else {\n      remove();\n    }\n  };\n}\n\nmodule.exports = function (list, options) {\n  options = options || {}; // Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n  // tags it will allow on a page\n\n  if (!options.singleton && typeof options.singleton !== 'boolean') {\n    options.singleton = isOldIE();\n  }\n\n  list = list || [];\n  var lastIdentifiers = modulesToDom(list, options);\n  return function update(newList) {\n    newList = newList || [];\n\n    if (Object.prototype.toString.call(newList) !== '[object Array]') {\n      return;\n    }\n\n    for (var i = 0; i < lastIdentifiers.length; i++) {\n      var identifier = lastIdentifiers[i];\n      var index = getIndexByIdentifier(identifier);\n      stylesInDom[index].references--;\n    }\n\n    var newLastIdentifiers = modulesToDom(newList, options);\n\n    for (var _i = 0; _i < lastIdentifiers.length; _i++) {\n      var _identifier = lastIdentifiers[_i];\n\n      var _index = getIndexByIdentifier(_identifier);\n\n      if (stylesInDom[_index].references === 0) {\n        stylesInDom[_index].updater();\n\n        stylesInDom.splice(_index, 1);\n      }\n    }\n\n    lastIdentifiers = newLastIdentifiers;\n  };\n};","// Utilities\n//\n'use strict';\n\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\n\nfunction isString(obj) { return _class(obj) === '[object String]'; }\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction has(object, key) {\n  return _hasOwnProperty.call(object, key);\n}\n\n// Merge objects\n//\nfunction assign(obj /*from1, from2, from3, ...*/) {\n  var sources = Array.prototype.slice.call(arguments, 1);\n\n  sources.forEach(function (source) {\n    if (!source) { return; }\n\n    if (typeof source !== 'object') {\n      throw new TypeError(source + 'must be object');\n    }\n\n    Object.keys(source).forEach(function (key) {\n      obj[key] = source[key];\n    });\n  });\n\n  return obj;\n}\n\n// Remove element from array and put another array at those position.\n// Useful for some operations with tokens\nfunction arrayReplaceAt(src, pos, newElements) {\n  return [].concat(src.slice(0, pos), newElements, src.slice(pos + 1));\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\nfunction isValidEntityCode(c) {\n  /*eslint no-bitwise:0*/\n  // broken sequence\n  if (c >= 0xD800 && c <= 0xDFFF) { return false; }\n  // never used\n  if (c >= 0xFDD0 && c <= 0xFDEF) { return false; }\n  if ((c & 0xFFFF) === 0xFFFF || (c & 0xFFFF) === 0xFFFE) { return false; }\n  // control codes\n  if (c >= 0x00 && c <= 0x08) { return false; }\n  if (c === 0x0B) { return false; }\n  if (c >= 0x0E && c <= 0x1F) { return false; }\n  if (c >= 0x7F && c <= 0x9F) { return false; }\n  // out of range\n  if (c > 0x10FFFF) { return false; }\n  return true;\n}\n\nfunction fromCodePoint(c) {\n  /*eslint no-bitwise:0*/\n  if (c > 0xffff) {\n    c -= 0x10000;\n    var surrogate1 = 0xd800 + (c >> 10),\n        surrogate2 = 0xdc00 + (c & 0x3ff);\n\n    return String.fromCharCode(surrogate1, surrogate2);\n  }\n  return String.fromCharCode(c);\n}\n\n\nvar UNESCAPE_MD_RE  = /\\\\([!\"#$%&'()*+,\\-.\\/:;<=>?@[\\\\\\]^_`{|}~])/g;\nvar ENTITY_RE       = /&([a-z#][a-z0-9]{1,31});/gi;\nvar UNESCAPE_ALL_RE = new RegExp(UNESCAPE_MD_RE.source + '|' + ENTITY_RE.source, 'gi');\n\nvar DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))/i;\n\nvar entities = require('./entities');\n\nfunction replaceEntityPattern(match, name) {\n  var code = 0;\n\n  if (has(entities, name)) {\n    return entities[name];\n  }\n\n  if (name.charCodeAt(0) === 0x23/* # */ && DIGITAL_ENTITY_TEST_RE.test(name)) {\n    code = name[1].toLowerCase() === 'x' ?\n      parseInt(name.slice(2), 16) : parseInt(name.slice(1), 10);\n\n    if (isValidEntityCode(code)) {\n      return fromCodePoint(code);\n    }\n  }\n\n  return match;\n}\n\n/*function replaceEntities(str) {\n  if (str.indexOf('&') < 0) { return str; }\n\n  return str.replace(ENTITY_RE, replaceEntityPattern);\n}*/\n\nfunction unescapeMd(str) {\n  if (str.indexOf('\\\\') < 0) { return str; }\n  return str.replace(UNESCAPE_MD_RE, '$1');\n}\n\nfunction unescapeAll(str) {\n  if (str.indexOf('\\\\') < 0 && str.indexOf('&') < 0) { return str; }\n\n  return str.replace(UNESCAPE_ALL_RE, function (match, escaped, entity) {\n    if (escaped) { return escaped; }\n    return replaceEntityPattern(match, entity);\n  });\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\nvar HTML_ESCAPE_TEST_RE = /[&<>\"]/;\nvar HTML_ESCAPE_REPLACE_RE = /[&<>\"]/g;\nvar HTML_REPLACEMENTS = {\n  '&': '&amp;',\n  '<': '&lt;',\n  '>': '&gt;',\n  '\"': '&quot;'\n};\n\nfunction replaceUnsafeChar(ch) {\n  return HTML_REPLACEMENTS[ch];\n}\n\nfunction escapeHtml(str) {\n  if (HTML_ESCAPE_TEST_RE.test(str)) {\n    return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);\n  }\n  return str;\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\nvar REGEXP_ESCAPE_RE = /[.?*+^$[\\]\\\\(){}|-]/g;\n\nfunction escapeRE(str) {\n  return str.replace(REGEXP_ESCAPE_RE, '\\\\$&');\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\nfunction isSpace(code) {\n  switch (code) {\n    case 0x09:\n    case 0x20:\n      return true;\n  }\n  return false;\n}\n\n// Zs (unicode class) || [\\t\\f\\v\\r\\n]\nfunction isWhiteSpace(code) {\n  if (code >= 0x2000 && code <= 0x200A) { return true; }\n  switch (code) {\n    case 0x09: // \\t\n    case 0x0A: // \\n\n    case 0x0B: // \\v\n    case 0x0C: // \\f\n    case 0x0D: // \\r\n    case 0x20:\n    case 0xA0:\n    case 0x1680:\n    case 0x202F:\n    case 0x205F:\n    case 0x3000:\n      return true;\n  }\n  return false;\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\n/*eslint-disable max-len*/\nvar UNICODE_PUNCT_RE = require('uc.micro/categories/P/regex');\n\n// Currently without astral characters support.\nfunction isPunctChar(ch) {\n  return UNICODE_PUNCT_RE.test(ch);\n}\n\n\n// Markdown ASCII punctuation characters.\n//\n// !, \", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \\, ], ^, _, `, {, |, }, or ~\n// http://spec.commonmark.org/0.15/#ascii-punctuation-character\n//\n// Don't confuse with unicode punctuation !!! It lacks some chars in ascii range.\n//\nfunction isMdAsciiPunct(ch) {\n  switch (ch) {\n    case 0x21/* ! */:\n    case 0x22/* \" */:\n    case 0x23/* # */:\n    case 0x24/* $ */:\n    case 0x25/* % */:\n    case 0x26/* & */:\n    case 0x27/* ' */:\n    case 0x28/* ( */:\n    case 0x29/* ) */:\n    case 0x2A/* * */:\n    case 0x2B/* + */:\n    case 0x2C/* , */:\n    case 0x2D/* - */:\n    case 0x2E/* . */:\n    case 0x2F/* / */:\n    case 0x3A/* : */:\n    case 0x3B/* ; */:\n    case 0x3C/* < */:\n    case 0x3D/* = */:\n    case 0x3E/* > */:\n    case 0x3F/* ? */:\n    case 0x40/* @ */:\n    case 0x5B/* [ */:\n    case 0x5C/* \\ */:\n    case 0x5D/* ] */:\n    case 0x5E/* ^ */:\n    case 0x5F/* _ */:\n    case 0x60/* ` */:\n    case 0x7B/* { */:\n    case 0x7C/* | */:\n    case 0x7D/* } */:\n    case 0x7E/* ~ */:\n      return true;\n    default:\n      return false;\n  }\n}\n\n// Hepler to unify [reference labels].\n//\nfunction normalizeReference(str) {\n  // Trim and collapse whitespace\n  //\n  str = str.trim().replace(/\\s+/g, ' ');\n\n  // In node v10 'ẞ'.toLowerCase() === 'Ṿ', which is presumed to be a bug\n  // fixed in v12 (couldn't find any details).\n  //\n  // So treat this one as a special case\n  // (remove this when node v10 is no longer supported).\n  //\n  if ('ẞ'.toLowerCase() === 'Ṿ') {\n    str = str.replace(/ẞ/g, 'ß');\n  }\n\n  // .toLowerCase().toUpperCase() should get rid of all differences\n  // between letter variants.\n  //\n  // Simple .toLowerCase() doesn't normalize 125 code points correctly,\n  // and .toUpperCase doesn't normalize 6 of them (list of exceptions:\n  // İ, ϴ, ẞ, Ω, K, Å - those are already uppercased, but have differently\n  // uppercased versions).\n  //\n  // Here's an example showing how it happens. Lets take greek letter omega:\n  // uppercase U+0398 (Θ), U+03f4 (ϴ) and lowercase U+03b8 (θ), U+03d1 (ϑ)\n  //\n  // Unicode entries:\n  // 0398;GREEK CAPITAL LETTER THETA;Lu;0;L;;;;;N;;;;03B8;\n  // 03B8;GREEK SMALL LETTER THETA;Ll;0;L;;;;;N;;;0398;;0398\n  // 03D1;GREEK THETA SYMBOL;Ll;0;L;<compat> 03B8;;;;N;GREEK SMALL LETTER SCRIPT THETA;;0398;;0398\n  // 03F4;GREEK CAPITAL THETA SYMBOL;Lu;0;L;<compat> 0398;;;;N;;;;03B8;\n  //\n  // Case-insensitive comparison should treat all of them as equivalent.\n  //\n  // But .toLowerCase() doesn't change ϑ (it's already lowercase),\n  // and .toUpperCase() doesn't change ϴ (already uppercase).\n  //\n  // Applying first lower then upper case normalizes any character:\n  // '\\u0398\\u03f4\\u03b8\\u03d1'.toLowerCase().toUpperCase() === '\\u0398\\u0398\\u0398\\u0398'\n  //\n  // Note: this is equivalent to unicode case folding; unicode normalization\n  // is a different step that is not required here.\n  //\n  // Final result should be uppercased, because it's later stored in an object\n  // (this avoid a conflict with Object.prototype members,\n  // most notably, `__proto__`)\n  //\n  return str.toLowerCase().toUpperCase();\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\n// Re-export libraries commonly used in both markdown-it and its plugins,\n// so plugins won't have to depend on them explicitly, which reduces their\n// bundled size (e.g. a browser build).\n//\nexports.lib                 = {};\nexports.lib.mdurl           = require('mdurl');\nexports.lib.ucmicro         = require('uc.micro');\n\nexports.assign              = assign;\nexports.isString            = isString;\nexports.has                 = has;\nexports.unescapeMd          = unescapeMd;\nexports.unescapeAll         = unescapeAll;\nexports.isValidEntityCode   = isValidEntityCode;\nexports.fromCodePoint       = fromCodePoint;\n// exports.replaceEntities     = replaceEntities;\nexports.escapeHtml          = escapeHtml;\nexports.arrayReplaceAt      = arrayReplaceAt;\nexports.isSpace             = isSpace;\nexports.isWhiteSpace        = isWhiteSpace;\nexports.isMdAsciiPunct      = isMdAsciiPunct;\nexports.isPunctChar         = isPunctChar;\nexports.escapeRE            = escapeRE;\nexports.normalizeReference  = normalizeReference;\n","import freeGlobal from './_freeGlobal.js';\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\nexport default root;\n","import root from './_root.js';\nimport stubFalse from './stubFalse.js';\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Built-in value references. */\nvar Buffer = moduleExports ? root.Buffer : undefined;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;\n\n/**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\nvar isBuffer = nativeIsBuffer || stubFalse;\n\nexport default isBuffer;\n","import freeGlobal from './_freeGlobal.js';\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Detect free variable `process` from Node.js. */\nvar freeProcess = moduleExports && freeGlobal.process;\n\n/** Used to access faster Node.js helpers. */\nvar nodeUtil = (function() {\n  try {\n    // Use `util.types` for Node.js 10+.\n    var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n    if (types) {\n      return types;\n    }\n\n    // Legacy `process.binding('util')` for Node.js < 10.\n    return freeProcess && freeProcess.binding && freeProcess.binding('util');\n  } catch (e) {}\n}());\n\nexport default nodeUtil;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/version\n */\n\n/* globals window, global */\n\nimport CKEditorError from './ckeditorerror';\n\nconst version = '25.0.0';\n\n/* istanbul ignore next */\nconst windowOrGlobal = typeof window === 'object' ? window : global;\n\n/* istanbul ignore next */\nif ( windowOrGlobal.CKEDITOR_VERSION ) {\n\t/**\n\t * This error is thrown when due to a mistake in how CKEditor 5 was installed or initialized, some\n\t * of its modules were duplicated (evaluated and executed twice). Module duplication leads to inevitable runtime\n\t * errors.\n\t *\n\t * There are many situations in which some modules can be loaded twice. In the worst case scenario,\n\t * you may need to check your project for each of these issues and fix them all.\n\t *\n\t * # Trying to add a plugin to an existing build\n\t *\n\t * If you import an existing CKEditor 5 build and a plugin like this:\n\t *\n\t *\t\timport ClassicEditor from '@ckeditor/ckeditor5-build-classic';\n\t *\t\timport Highlight from '@ckeditor/ckeditor5-highlight/src/highlight';\n\t *\n\t * Then your project loads some CKEditor 5 packages twice. How does it happen?\n\t *\n\t * The build package contains a file which is already compiled with webpack. This means\n\t * that it contains all the necessary code from e.g. `@ckeditor/ckeditor5-engine` and `@ckeditor/ckeditor5-utils`.\n\t *\n\t * However, the `Highlight` plugin imports some of the modules from these packages, too. If you ask webpack to\n\t * build such a project, you will end up with the modules being included (and run) twice &mdash; first, because they are\n\t * included inside the build package, and second, because they are required by the `Highlight` plugin.\n\t *\n\t * Therefore, **you must never add plugins to an existing build** unless your plugin has no dependencies.\n\t *\n\t * Adding plugins to a build is done by taking the source version of this build (so, before it was built with webpack)\n\t * and adding plugins there. In this situation, webpack will know that it only needs to load each plugin once.\n\t *\n\t * Read more in the {@glink builds/guides/integration/installing-plugins \"Installing plugins\"} guide.\n\t *\n\t * # Confused an editor build with an editor implementation\n\t *\n\t * This scenario is very similar to the previous one, but has a different origin.\n\t *\n\t * Let's assume that you wanted to use CKEditor 5 from source, as explained in the\n\t * {@glink builds/guides/integration/advanced-setup#scenario-2-building-from-source \"Building from source\"} section\n\t * or in the {@glink framework/guides/quick-start \"Quick start\"} guide of CKEditor 5 Framework.\n\t *\n\t * The correct way to do so is to import an editor and plugins and run them together like this:\n\t *\n\t *\t\timport ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';\n\t *\t\timport Essentials from '@ckeditor/ckeditor5-essentials/src/essentials';\n\t *\t\timport Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';\n\t *\t\timport Bold from '@ckeditor/ckeditor5-basic-styles/src/bold';\n\t *\t\timport Italic from '@ckeditor/ckeditor5-basic-styles/src/italic';\n\t *\n\t *\t\tClassicEditor\n\t *\t\t\t.create( document.querySelector( '#editor' ), {\n\t *\t\t\t\tplugins: [ Essentials, Paragraph, Bold, Italic ],\n\t *\t\t\t\ttoolbar: [ 'bold', 'italic' ]\n\t *\t\t\t} )\n\t *\t\t\t.then( editor => {\n\t *\t\t\t\tconsole.log( 'Editor was initialized', editor );\n\t *\t\t\t} )\n\t *\t\t\t.catch( error => {\n\t *\t\t\t\tconsole.error( error.stack );\n\t *\t\t\t} );\n\t *\n\t * However, you might have mistakenly imported a build instead of the source `ClassicEditor`. In this case\n\t * your imports will look like this:\n\t *\n\t *\t\timport ClassicEditor from '@ckeditor/ckeditor5-build-classic';\n\t *\t\timport Essentials from '@ckeditor/ckeditor5-essentials/src/essentials';\n\t *\t\timport Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';\n\t *\t\timport Bold from '@ckeditor/ckeditor5-basic-styles/src/bold';\n\t *\t\timport Italic from '@ckeditor/ckeditor5-basic-styles/src/italic';\n\t *\n\t * This creates the same situation as in the previous section because you use a build together with source plugins.\n\t *\n\t * Remember: `@ckeditor/ckeditor5-build-*` packages contain editor builds and `@ckeditor/ckeditor5-editor-*` contain source editors.\n\t *\n\t * # Loading two or more builds on one page\n\t *\n\t * If you use CKEditor 5 builds, you might have loaded two (or more) `ckeditor.js` files on one web page.\n\t * Check your web page for duplicated `<script>` elements or make sure your page builder/bundler includes CKEditor only once.\n\t *\n\t * If you want to use two different types of editors at once, see the\n\t * {@glink builds/guides/integration/advanced-setup#scenario-3-using-two-different-editors \"Using two different editors\"}\n\t * section.\n\t *\n\t * # Using outdated packages\n\t *\n\t * Building CKEditor 5 from source requires using multiple npm packages. These packages have their dependencies\n\t * to other packages. If you use the latest version of, for example, `@ckeditor/ckeditor5-editor-classic` with\n\t * an outdated version of `@ckeditor/ckeditor5-image`, npm or yarn will need to install two different versions of\n\t * `@ckeditor/ckeditor5-core` because `@ckeditor/ckeditor5-editor-classic` and `@ckeditor/ckeditor5-image` may require\n\t * different versions of the core package.\n\t *\n\t * The solution to this issue is to update all packages to their latest version. We recommend\n\t * using tools like [`npm-check-updates`](https://www.npmjs.com/package/npm-check-updates) which simplify this process.\n\t *\n\t * # Conflicting version of dependencies\n\t *\n\t * This is a special case of the previous scenario. If you use CKEditor 5 with some third-party plugins,\n\t * it may happen that even if you use the latest versions of the official packages and the latest version of\n\t * these third-party packages, there will be a conflict between some of their dependencies.\n\t *\n\t * Such a problem can be resolved by either downgrading CKEditor 5 packages (which we do not recommend) or\n\t * asking the author of the third-party package to upgrade its depdendencies (or forking their project and doing this yourself).\n\t *\n\t * **Note:** All official CKEditor 5 packages (excluding integrations and `ckeditor5-dev-*` packages) are released in the\n\t * same major version. This is &mdash; in the `x.y.z`, the `x` is the same for all packages. This is the simplest way to check\n\t * whether you use packages coming from the same CKEditor 5 version. You can read more about versioning in the\n\t * {@glink framework/guides/support/versioning-policy Versioning policy} guide.\n\t *\n\t * # Packages were duplicated in `node_modules`\n\t *\n\t * In some situations, especially when calling `npm install` multiple times, it may happen\n\t * that npm will not correctly \"deduplicate\" packages.\n\t *\n\t * Normally, npm deduplicates all packages so, for example, `@ckeditor/ckeditor5-core` is installed only once in `node_modules/`.\n\t * However, it is known to fail to do so from time to time.\n\t *\n\t * We recommend checking if any of the steps listed below help:\n\t *\n\t * * `rm -rf node_modules && npm install` to make sure you have a clean `node_modules/` directory. This step\n\t * is known to help in most cases.\n\t * * If you use `yarn.lock` or `package-lock.json`, remove it before `npm install`.\n\t * * Check whether all CKEditor 5 packages are up to date and reinstall them\n\t * if you changed anything (`rm -rf node_modules && npm install`).\n\t *\n\t * If all packages are correct and compatible with each other, the steps above are known to help. If not, you may\n\t * try to check with `npm ls` how many times packages like `@ckeditor/ckeditor5-core`, `@ckeditor/ckeditor5-engine` and\n\t *`@ckeditor/ckeditor5-utils` are installed. If more than once, verify which package causes that.\n\t *\n\t * @error ckeditor-duplicated-modules\n\t */\n\tthrow new CKEditorError(\n\t\t'ckeditor-duplicated-modules',\n\t\tnull\n\t);\n} else {\n\twindowOrGlobal.CKEDITOR_VERSION = version;\n}\n","/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\nexport default freeGlobal;\n","import root from './_root.js';\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Built-in value references. */\nvar Buffer = moduleExports ? root.Buffer : undefined,\n    allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;\n\n/**\n * Creates a clone of  `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\nfunction cloneBuffer(buffer, isDeep) {\n  if (isDeep) {\n    return buffer.slice();\n  }\n  var length = buffer.length,\n      result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n  buffer.copy(result);\n  return result;\n}\n\nexport default cloneBuffer;\n","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","module.exports = function(originalModule) {\n\tif (!originalModule.webpackPolyfill) {\n\t\tvar module = Object.create(originalModule);\n\t\t// module.parent = undefined by default\n\t\tif (!module.children) module.children = [];\n\t\tObject.defineProperty(module, \"loaded\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.l;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"id\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.i;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"exports\", {\n\t\t\tenumerable: true\n\t\t});\n\t\tmodule.webpackPolyfill = 1;\n\t}\n\treturn module;\n};\n","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./responsiveform.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports=/[!-#%-\\*,-\\/:;\\?@\\[-\\]_\\{\\}\\xA1\\xA7\\xAB\\xB6\\xB7\\xBB\\xBF\\u037E\\u0387\\u055A-\\u055F\\u0589\\u058A\\u05BE\\u05C0\\u05C3\\u05C6\\u05F3\\u05F4\\u0609\\u060A\\u060C\\u060D\\u061B\\u061E\\u061F\\u066A-\\u066D\\u06D4\\u0700-\\u070D\\u07F7-\\u07F9\\u0830-\\u083E\\u085E\\u0964\\u0965\\u0970\\u09FD\\u0A76\\u0AF0\\u0C84\\u0DF4\\u0E4F\\u0E5A\\u0E5B\\u0F04-\\u0F12\\u0F14\\u0F3A-\\u0F3D\\u0F85\\u0FD0-\\u0FD4\\u0FD9\\u0FDA\\u104A-\\u104F\\u10FB\\u1360-\\u1368\\u1400\\u166D\\u166E\\u169B\\u169C\\u16EB-\\u16ED\\u1735\\u1736\\u17D4-\\u17D6\\u17D8-\\u17DA\\u1800-\\u180A\\u1944\\u1945\\u1A1E\\u1A1F\\u1AA0-\\u1AA6\\u1AA8-\\u1AAD\\u1B5A-\\u1B60\\u1BFC-\\u1BFF\\u1C3B-\\u1C3F\\u1C7E\\u1C7F\\u1CC0-\\u1CC7\\u1CD3\\u2010-\\u2027\\u2030-\\u2043\\u2045-\\u2051\\u2053-\\u205E\\u207D\\u207E\\u208D\\u208E\\u2308-\\u230B\\u2329\\u232A\\u2768-\\u2775\\u27C5\\u27C6\\u27E6-\\u27EF\\u2983-\\u2998\\u29D8-\\u29DB\\u29FC\\u29FD\\u2CF9-\\u2CFC\\u2CFE\\u2CFF\\u2D70\\u2E00-\\u2E2E\\u2E30-\\u2E4E\\u3001-\\u3003\\u3008-\\u3011\\u3014-\\u301F\\u3030\\u303D\\u30A0\\u30FB\\uA4FE\\uA4FF\\uA60D-\\uA60F\\uA673\\uA67E\\uA6F2-\\uA6F7\\uA874-\\uA877\\uA8CE\\uA8CF\\uA8F8-\\uA8FA\\uA8FC\\uA92E\\uA92F\\uA95F\\uA9C1-\\uA9CD\\uA9DE\\uA9DF\\uAA5C-\\uAA5F\\uAADE\\uAADF\\uAAF0\\uAAF1\\uABEB\\uFD3E\\uFD3F\\uFE10-\\uFE19\\uFE30-\\uFE52\\uFE54-\\uFE61\\uFE63\\uFE68\\uFE6A\\uFE6B\\uFF01-\\uFF03\\uFF05-\\uFF0A\\uFF0C-\\uFF0F\\uFF1A\\uFF1B\\uFF1F\\uFF20\\uFF3B-\\uFF3D\\uFF3F\\uFF5B\\uFF5D\\uFF5F-\\uFF65]|\\uD800[\\uDD00-\\uDD02\\uDF9F\\uDFD0]|\\uD801\\uDD6F|\\uD802[\\uDC57\\uDD1F\\uDD3F\\uDE50-\\uDE58\\uDE7F\\uDEF0-\\uDEF6\\uDF39-\\uDF3F\\uDF99-\\uDF9C]|\\uD803[\\uDF55-\\uDF59]|\\uD804[\\uDC47-\\uDC4D\\uDCBB\\uDCBC\\uDCBE-\\uDCC1\\uDD40-\\uDD43\\uDD74\\uDD75\\uDDC5-\\uDDC8\\uDDCD\\uDDDB\\uDDDD-\\uDDDF\\uDE38-\\uDE3D\\uDEA9]|\\uD805[\\uDC4B-\\uDC4F\\uDC5B\\uDC5D\\uDCC6\\uDDC1-\\uDDD7\\uDE41-\\uDE43\\uDE60-\\uDE6C\\uDF3C-\\uDF3E]|\\uD806[\\uDC3B\\uDE3F-\\uDE46\\uDE9A-\\uDE9C\\uDE9E-\\uDEA2]|\\uD807[\\uDC41-\\uDC45\\uDC70\\uDC71\\uDEF7\\uDEF8]|\\uD809[\\uDC70-\\uDC74]|\\uD81A[\\uDE6E\\uDE6F\\uDEF5\\uDF37-\\uDF3B\\uDF44]|\\uD81B[\\uDE97-\\uDE9A]|\\uD82F\\uDC9F|\\uD836[\\uDE87-\\uDE8B]|\\uD83A[\\uDD5E\\uDD5F]/","/**\n * class Ruler\n *\n * Helper class, used by [[MarkdownIt#core]], [[MarkdownIt#block]] and\n * [[MarkdownIt#inline]] to manage sequences of functions (rules):\n *\n * - keep rules in defined order\n * - assign the name to each rule\n * - enable/disable rules\n * - add/replace rules\n * - allow assign rules to additional named chains (in the same)\n * - cacheing lists of active rules\n *\n * You will not need use this class directly until write plugins. For simple\n * rules control use [[MarkdownIt.disable]], [[MarkdownIt.enable]] and\n * [[MarkdownIt.use]].\n **/\n'use strict';\n\n\n/**\n * new Ruler()\n **/\nfunction Ruler() {\n  // List of added rules. Each element is:\n  //\n  // {\n  //   name: XXX,\n  //   enabled: Boolean,\n  //   fn: Function(),\n  //   alt: [ name2, name3 ]\n  // }\n  //\n  this.__rules__ = [];\n\n  // Cached rule chains.\n  //\n  // First level - chain name, '' for default.\n  // Second level - diginal anchor for fast filtering by charcodes.\n  //\n  this.__cache__ = null;\n}\n\n////////////////////////////////////////////////////////////////////////////////\n// Helper methods, should not be used directly\n\n\n// Find rule index by name\n//\nRuler.prototype.__find__ = function (name) {\n  for (var i = 0; i < this.__rules__.length; i++) {\n    if (this.__rules__[i].name === name) {\n      return i;\n    }\n  }\n  return -1;\n};\n\n\n// Build rules lookup cache\n//\nRuler.prototype.__compile__ = function () {\n  var self = this;\n  var chains = [ '' ];\n\n  // collect unique names\n  self.__rules__.forEach(function (rule) {\n    if (!rule.enabled) { return; }\n\n    rule.alt.forEach(function (altName) {\n      if (chains.indexOf(altName) < 0) {\n        chains.push(altName);\n      }\n    });\n  });\n\n  self.__cache__ = {};\n\n  chains.forEach(function (chain) {\n    self.__cache__[chain] = [];\n    self.__rules__.forEach(function (rule) {\n      if (!rule.enabled) { return; }\n\n      if (chain && rule.alt.indexOf(chain) < 0) { return; }\n\n      self.__cache__[chain].push(rule.fn);\n    });\n  });\n};\n\n\n/**\n * Ruler.at(name, fn [, options])\n * - name (String): rule name to replace.\n * - fn (Function): new rule function.\n * - options (Object): new rule options (not mandatory).\n *\n * Replace rule by name with new function & options. Throws error if name not\n * found.\n *\n * ##### Options:\n *\n * - __alt__ - array with names of \"alternate\" chains.\n *\n * ##### Example\n *\n * Replace existing typographer replacement rule with new one:\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.core.ruler.at('replacements', function replace(state) {\n *   //...\n * });\n * ```\n **/\nRuler.prototype.at = function (name, fn, options) {\n  var index = this.__find__(name);\n  var opt = options || {};\n\n  if (index === -1) { throw new Error('Parser rule not found: ' + name); }\n\n  this.__rules__[index].fn = fn;\n  this.__rules__[index].alt = opt.alt || [];\n  this.__cache__ = null;\n};\n\n\n/**\n * Ruler.before(beforeName, ruleName, fn [, options])\n * - beforeName (String): new rule will be added before this one.\n * - ruleName (String): name of added rule.\n * - fn (Function): rule function.\n * - options (Object): rule options (not mandatory).\n *\n * Add new rule to chain before one with given name. See also\n * [[Ruler.after]], [[Ruler.push]].\n *\n * ##### Options:\n *\n * - __alt__ - array with names of \"alternate\" chains.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.block.ruler.before('paragraph', 'my_rule', function replace(state) {\n *   //...\n * });\n * ```\n **/\nRuler.prototype.before = function (beforeName, ruleName, fn, options) {\n  var index = this.__find__(beforeName);\n  var opt = options || {};\n\n  if (index === -1) { throw new Error('Parser rule not found: ' + beforeName); }\n\n  this.__rules__.splice(index, 0, {\n    name: ruleName,\n    enabled: true,\n    fn: fn,\n    alt: opt.alt || []\n  });\n\n  this.__cache__ = null;\n};\n\n\n/**\n * Ruler.after(afterName, ruleName, fn [, options])\n * - afterName (String): new rule will be added after this one.\n * - ruleName (String): name of added rule.\n * - fn (Function): rule function.\n * - options (Object): rule options (not mandatory).\n *\n * Add new rule to chain after one with given name. See also\n * [[Ruler.before]], [[Ruler.push]].\n *\n * ##### Options:\n *\n * - __alt__ - array with names of \"alternate\" chains.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.inline.ruler.after('text', 'my_rule', function replace(state) {\n *   //...\n * });\n * ```\n **/\nRuler.prototype.after = function (afterName, ruleName, fn, options) {\n  var index = this.__find__(afterName);\n  var opt = options || {};\n\n  if (index === -1) { throw new Error('Parser rule not found: ' + afterName); }\n\n  this.__rules__.splice(index + 1, 0, {\n    name: ruleName,\n    enabled: true,\n    fn: fn,\n    alt: opt.alt || []\n  });\n\n  this.__cache__ = null;\n};\n\n/**\n * Ruler.push(ruleName, fn [, options])\n * - ruleName (String): name of added rule.\n * - fn (Function): rule function.\n * - options (Object): rule options (not mandatory).\n *\n * Push new rule to the end of chain. See also\n * [[Ruler.before]], [[Ruler.after]].\n *\n * ##### Options:\n *\n * - __alt__ - array with names of \"alternate\" chains.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.core.ruler.push('my_rule', function replace(state) {\n *   //...\n * });\n * ```\n **/\nRuler.prototype.push = function (ruleName, fn, options) {\n  var opt = options || {};\n\n  this.__rules__.push({\n    name: ruleName,\n    enabled: true,\n    fn: fn,\n    alt: opt.alt || []\n  });\n\n  this.__cache__ = null;\n};\n\n\n/**\n * Ruler.enable(list [, ignoreInvalid]) -> Array\n * - list (String|Array): list of rule names to enable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable rules with given names. If any rule name not found - throw Error.\n * Errors can be disabled by second param.\n *\n * Returns list of found rule names (if no exception happened).\n *\n * See also [[Ruler.disable]], [[Ruler.enableOnly]].\n **/\nRuler.prototype.enable = function (list, ignoreInvalid) {\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  var result = [];\n\n  // Search by name and enable\n  list.forEach(function (name) {\n    var idx = this.__find__(name);\n\n    if (idx < 0) {\n      if (ignoreInvalid) { return; }\n      throw new Error('Rules manager: invalid rule name ' + name);\n    }\n    this.__rules__[idx].enabled = true;\n    result.push(name);\n  }, this);\n\n  this.__cache__ = null;\n  return result;\n};\n\n\n/**\n * Ruler.enableOnly(list [, ignoreInvalid])\n * - list (String|Array): list of rule names to enable (whitelist).\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable rules with given names, and disable everything else. If any rule name\n * not found - throw Error. Errors can be disabled by second param.\n *\n * See also [[Ruler.disable]], [[Ruler.enable]].\n **/\nRuler.prototype.enableOnly = function (list, ignoreInvalid) {\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  this.__rules__.forEach(function (rule) { rule.enabled = false; });\n\n  this.enable(list, ignoreInvalid);\n};\n\n\n/**\n * Ruler.disable(list [, ignoreInvalid]) -> Array\n * - list (String|Array): list of rule names to disable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Disable rules with given names. If any rule name not found - throw Error.\n * Errors can be disabled by second param.\n *\n * Returns list of found rule names (if no exception happened).\n *\n * See also [[Ruler.enable]], [[Ruler.enableOnly]].\n **/\nRuler.prototype.disable = function (list, ignoreInvalid) {\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  var result = [];\n\n  // Search by name and disable\n  list.forEach(function (name) {\n    var idx = this.__find__(name);\n\n    if (idx < 0) {\n      if (ignoreInvalid) { return; }\n      throw new Error('Rules manager: invalid rule name ' + name);\n    }\n    this.__rules__[idx].enabled = false;\n    result.push(name);\n  }, this);\n\n  this.__cache__ = null;\n  return result;\n};\n\n\n/**\n * Ruler.getRules(chainName) -> Array\n *\n * Return array of active functions (rules) for given chain name. It analyzes\n * rules configuration, compiles caches if not exists and returns result.\n *\n * Default chain name is `''` (empty string). It can't be skipped. That's\n * done intentionally, to keep signature monomorphic for high speed.\n **/\nRuler.prototype.getRules = function (chainName) {\n  if (this.__cache__ === null) {\n    this.__compile__();\n  }\n\n  // Chain can be empty, if rules disabled. But we still have to return Array.\n  return this.__cache__[chainName] || [];\n};\n\nmodule.exports = Ruler;\n","// Token class\n\n'use strict';\n\n\n/**\n * class Token\n **/\n\n/**\n * new Token(type, tag, nesting)\n *\n * Create new token and fill passed properties.\n **/\nfunction Token(type, tag, nesting) {\n  /**\n   * Token#type -> String\n   *\n   * Type of the token (string, e.g. \"paragraph_open\")\n   **/\n  this.type     = type;\n\n  /**\n   * Token#tag -> String\n   *\n   * html tag name, e.g. \"p\"\n   **/\n  this.tag      = tag;\n\n  /**\n   * Token#attrs -> Array\n   *\n   * Html attributes. Format: `[ [ name1, value1 ], [ name2, value2 ] ]`\n   **/\n  this.attrs    = null;\n\n  /**\n   * Token#map -> Array\n   *\n   * Source map info. Format: `[ line_begin, line_end ]`\n   **/\n  this.map      = null;\n\n  /**\n   * Token#nesting -> Number\n   *\n   * Level change (number in {-1, 0, 1} set), where:\n   *\n   * -  `1` means the tag is opening\n   * -  `0` means the tag is self-closing\n   * - `-1` means the tag is closing\n   **/\n  this.nesting  = nesting;\n\n  /**\n   * Token#level -> Number\n   *\n   * nesting level, the same as `state.level`\n   **/\n  this.level    = 0;\n\n  /**\n   * Token#children -> Array\n   *\n   * An array of child nodes (inline and img tokens)\n   **/\n  this.children = null;\n\n  /**\n   * Token#content -> String\n   *\n   * In a case of self-closing tag (code, html, fence, etc.),\n   * it has contents of this tag.\n   **/\n  this.content  = '';\n\n  /**\n   * Token#markup -> String\n   *\n   * '*' or '_' for emphasis, fence string for fence, etc.\n   **/\n  this.markup   = '';\n\n  /**\n   * Token#info -> String\n   *\n   * fence infostring\n   **/\n  this.info     = '';\n\n  /**\n   * Token#meta -> Object\n   *\n   * A place for plugins to store an arbitrary data\n   **/\n  this.meta     = null;\n\n  /**\n   * Token#block -> Boolean\n   *\n   * True for block-level tokens, false for inline tokens.\n   * Used in renderer to calculate line breaks\n   **/\n  this.block    = false;\n\n  /**\n   * Token#hidden -> Boolean\n   *\n   * If it's true, ignore this element when rendering. Used for tight lists\n   * to hide paragraphs.\n   **/\n  this.hidden   = false;\n}\n\n\n/**\n * Token.attrIndex(name) -> Number\n *\n * Search attribute index by name.\n **/\nToken.prototype.attrIndex = function attrIndex(name) {\n  var attrs, i, len;\n\n  if (!this.attrs) { return -1; }\n\n  attrs = this.attrs;\n\n  for (i = 0, len = attrs.length; i < len; i++) {\n    if (attrs[i][0] === name) { return i; }\n  }\n  return -1;\n};\n\n\n/**\n * Token.attrPush(attrData)\n *\n * Add `[ name, value ]` attribute to list. Init attrs if necessary\n **/\nToken.prototype.attrPush = function attrPush(attrData) {\n  if (this.attrs) {\n    this.attrs.push(attrData);\n  } else {\n    this.attrs = [ attrData ];\n  }\n};\n\n\n/**\n * Token.attrSet(name, value)\n *\n * Set `name` attribute to `value`. Override old value if exists.\n **/\nToken.prototype.attrSet = function attrSet(name, value) {\n  var idx = this.attrIndex(name),\n      attrData = [ name, value ];\n\n  if (idx < 0) {\n    this.attrPush(attrData);\n  } else {\n    this.attrs[idx] = attrData;\n  }\n};\n\n\n/**\n * Token.attrGet(name)\n *\n * Get the value of attribute `name`, or null if it does not exist.\n **/\nToken.prototype.attrGet = function attrGet(name) {\n  var idx = this.attrIndex(name), value = null;\n  if (idx >= 0) {\n    value = this.attrs[idx][1];\n  }\n  return value;\n};\n\n\n/**\n * Token.attrJoin(name, value)\n *\n * Join value to existing attribute via space. Or create new attribute if not\n * exists. Useful to operate with token classes.\n **/\nToken.prototype.attrJoin = function attrJoin(name, value) {\n  var idx = this.attrIndex(name);\n\n  if (idx < 0) {\n    this.attrPush([ name, value ]);\n  } else {\n    this.attrs[idx][1] = this.attrs[idx][1] + ' ' + value;\n  }\n};\n\n\nmodule.exports = Token;\n","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./code.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./heading.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./form.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./tableform.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","// HTML5 entities map: { name -> utf16string }\n//\n'use strict';\n\n/*eslint quotes:0*/\nmodule.exports = require('entities/lib/maps/entities.json');\n","'use strict';\n\n\nmodule.exports.encode = require('./encode');\nmodule.exports.decode = require('./decode');\nmodule.exports.format = require('./format');\nmodule.exports.parse  = require('./parse');\n","module.exports=/[\\0-\\uD7FF\\uE000-\\uFFFF]|[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]|[\\uD800-\\uDBFF](?![\\uDC00-\\uDFFF])|(?:[^\\uD800-\\uDBFF]|^)[\\uDC00-\\uDFFF]/","module.exports=/[\\0-\\x1F\\x7F-\\x9F]/","module.exports=/[ \\xA0\\u1680\\u2000-\\u200A\\u2028\\u2029\\u202F\\u205F\\u3000]/","// Regexps to match html elements\n\n'use strict';\n\nvar attr_name     = '[a-zA-Z_:][a-zA-Z0-9:._-]*';\n\nvar unquoted      = '[^\"\\'=<>`\\\\x00-\\\\x20]+';\nvar single_quoted = \"'[^']*'\";\nvar double_quoted = '\"[^\"]*\"';\n\nvar attr_value  = '(?:' + unquoted + '|' + single_quoted + '|' + double_quoted + ')';\n\nvar attribute   = '(?:\\\\s+' + attr_name + '(?:\\\\s*=\\\\s*' + attr_value + ')?)';\n\nvar open_tag    = '<[A-Za-z][A-Za-z0-9\\\\-]*' + attribute + '*\\\\s*\\\\/?>';\n\nvar close_tag   = '<\\\\/[A-Za-z][A-Za-z0-9\\\\-]*\\\\s*>';\nvar comment     = '<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->';\nvar processing  = '<[?].*?[?]>';\nvar declaration = '<![A-Z]+\\\\s+[^>]*>';\nvar cdata       = '<!\\\\[CDATA\\\\[[\\\\s\\\\S]*?\\\\]\\\\]>';\n\nvar HTML_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + '|' + comment +\n                        '|' + processing + '|' + declaration + '|' + cdata + ')');\nvar HTML_OPEN_CLOSE_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + ')');\n\nmodule.exports.HTML_TAG_RE = HTML_TAG_RE;\nmodule.exports.HTML_OPEN_CLOSE_TAG_RE = HTML_OPEN_CLOSE_TAG_RE;\n","// ~~strike through~~\n//\n'use strict';\n\n\n// Insert each marker as a separate text token, and add it to delimiter list\n//\nmodule.exports.tokenize = function strikethrough(state, silent) {\n  var i, scanned, token, len, ch,\n      start = state.pos,\n      marker = state.src.charCodeAt(start);\n\n  if (silent) { return false; }\n\n  if (marker !== 0x7E/* ~ */) { return false; }\n\n  scanned = state.scanDelims(state.pos, true);\n  len = scanned.length;\n  ch = String.fromCharCode(marker);\n\n  if (len < 2) { return false; }\n\n  if (len % 2) {\n    token         = state.push('text', '', 0);\n    token.content = ch;\n    len--;\n  }\n\n  for (i = 0; i < len; i += 2) {\n    token         = state.push('text', '', 0);\n    token.content = ch + ch;\n\n    state.delimiters.push({\n      marker: marker,\n      length: 0, // disable \"rule of 3\" length checks meant for emphasis\n      jump:   i,\n      token:  state.tokens.length - 1,\n      end:    -1,\n      open:   scanned.can_open,\n      close:  scanned.can_close\n    });\n  }\n\n  state.pos += scanned.length;\n\n  return true;\n};\n\n\nfunction postProcess(state, delimiters) {\n  var i, j,\n      startDelim,\n      endDelim,\n      token,\n      loneMarkers = [],\n      max = delimiters.length;\n\n  for (i = 0; i < max; i++) {\n    startDelim = delimiters[i];\n\n    if (startDelim.marker !== 0x7E/* ~ */) {\n      continue;\n    }\n\n    if (startDelim.end === -1) {\n      continue;\n    }\n\n    endDelim = delimiters[startDelim.end];\n\n    token         = state.tokens[startDelim.token];\n    token.type    = 's_open';\n    token.tag     = 's';\n    token.nesting = 1;\n    token.markup  = '~~';\n    token.content = '';\n\n    token         = state.tokens[endDelim.token];\n    token.type    = 's_close';\n    token.tag     = 's';\n    token.nesting = -1;\n    token.markup  = '~~';\n    token.content = '';\n\n    if (state.tokens[endDelim.token - 1].type === 'text' &&\n        state.tokens[endDelim.token - 1].content === '~') {\n\n      loneMarkers.push(endDelim.token - 1);\n    }\n  }\n\n  // If a marker sequence has an odd number of characters, it's splitted\n  // like this: `~~~~~` -> `~` + `~~` + `~~`, leaving one marker at the\n  // start of the sequence.\n  //\n  // So, we have to move all those markers after subsequent s_close tags.\n  //\n  while (loneMarkers.length) {\n    i = loneMarkers.pop();\n    j = i + 1;\n\n    while (j < state.tokens.length && state.tokens[j].type === 's_close') {\n      j++;\n    }\n\n    j--;\n\n    if (i !== j) {\n      token = state.tokens[j];\n      state.tokens[j] = state.tokens[i];\n      state.tokens[i] = token;\n    }\n  }\n}\n\n\n// Walk through delimiter list and replace text tokens with tags\n//\nmodule.exports.postProcess = function strikethrough(state) {\n  var curr,\n      tokens_meta = state.tokens_meta,\n      max = state.tokens_meta.length;\n\n  postProcess(state, state.delimiters);\n\n  for (curr = 0; curr < max; curr++) {\n    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {\n      postProcess(state, tokens_meta[curr].delimiters);\n    }\n  }\n};\n","// Process *this* and _that_\n//\n'use strict';\n\n\n// Insert each marker as a separate text token, and add it to delimiter list\n//\nmodule.exports.tokenize = function emphasis(state, silent) {\n  var i, scanned, token,\n      start = state.pos,\n      marker = state.src.charCodeAt(start);\n\n  if (silent) { return false; }\n\n  if (marker !== 0x5F /* _ */ && marker !== 0x2A /* * */) { return false; }\n\n  scanned = state.scanDelims(state.pos, marker === 0x2A);\n\n  for (i = 0; i < scanned.length; i++) {\n    token         = state.push('text', '', 0);\n    token.content = String.fromCharCode(marker);\n\n    state.delimiters.push({\n      // Char code of the starting marker (number).\n      //\n      marker: marker,\n\n      // Total length of these series of delimiters.\n      //\n      length: scanned.length,\n\n      // An amount of characters before this one that's equivalent to\n      // current one. In plain English: if this delimiter does not open\n      // an emphasis, neither do previous `jump` characters.\n      //\n      // Used to skip sequences like \"*****\" in one step, for 1st asterisk\n      // value will be 0, for 2nd it's 1 and so on.\n      //\n      jump:   i,\n\n      // A position of the token this delimiter corresponds to.\n      //\n      token:  state.tokens.length - 1,\n\n      // If this delimiter is matched as a valid opener, `end` will be\n      // equal to its position, otherwise it's `-1`.\n      //\n      end:    -1,\n\n      // Boolean flags that determine if this delimiter could open or close\n      // an emphasis.\n      //\n      open:   scanned.can_open,\n      close:  scanned.can_close\n    });\n  }\n\n  state.pos += scanned.length;\n\n  return true;\n};\n\n\nfunction postProcess(state, delimiters) {\n  var i,\n      startDelim,\n      endDelim,\n      token,\n      ch,\n      isStrong,\n      max = delimiters.length;\n\n  for (i = max - 1; i >= 0; i--) {\n    startDelim = delimiters[i];\n\n    if (startDelim.marker !== 0x5F/* _ */ && startDelim.marker !== 0x2A/* * */) {\n      continue;\n    }\n\n    // Process only opening markers\n    if (startDelim.end === -1) {\n      continue;\n    }\n\n    endDelim = delimiters[startDelim.end];\n\n    // If the previous delimiter has the same marker and is adjacent to this one,\n    // merge those into one strong delimiter.\n    //\n    // `<em><em>whatever</em></em>` -> `<strong>whatever</strong>`\n    //\n    isStrong = i > 0 &&\n               delimiters[i - 1].end === startDelim.end + 1 &&\n               delimiters[i - 1].token === startDelim.token - 1 &&\n               delimiters[startDelim.end + 1].token === endDelim.token + 1 &&\n               delimiters[i - 1].marker === startDelim.marker;\n\n    ch = String.fromCharCode(startDelim.marker);\n\n    token         = state.tokens[startDelim.token];\n    token.type    = isStrong ? 'strong_open' : 'em_open';\n    token.tag     = isStrong ? 'strong' : 'em';\n    token.nesting = 1;\n    token.markup  = isStrong ? ch + ch : ch;\n    token.content = '';\n\n    token         = state.tokens[endDelim.token];\n    token.type    = isStrong ? 'strong_close' : 'em_close';\n    token.tag     = isStrong ? 'strong' : 'em';\n    token.nesting = -1;\n    token.markup  = isStrong ? ch + ch : ch;\n    token.content = '';\n\n    if (isStrong) {\n      state.tokens[delimiters[i - 1].token].content = '';\n      state.tokens[delimiters[startDelim.end + 1].token].content = '';\n      i--;\n    }\n  }\n}\n\n\n// Walk through delimiter list and replace text tokens with tags\n//\nmodule.exports.postProcess = function emphasis(state) {\n  var curr,\n      tokens_meta = state.tokens_meta,\n      max = state.tokens_meta.length;\n\n  postProcess(state, state.delimiters);\n\n  for (curr = 0; curr < max; curr++) {\n    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {\n      postProcess(state, tokens_meta[curr].delimiters);\n    }\n  }\n};\n","/**\n * This method returns `false`.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {boolean} Returns `false`.\n * @example\n *\n * _.times(2, _.stubFalse);\n * // => [false, false]\n */\nfunction stubFalse() {\n  return false;\n}\n\nexport default stubFalse;\n","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./placeholder.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-placeholder:before,.ck .ck-placeholder:before{content:attr(data-placeholder);pointer-events:none}.ck.ck-read-only .ck-placeholder:before{display:none}.ck.ck-placeholder:before,.ck .ck-placeholder:before{cursor:text;color:var(--ck-color-engine-placeholder-text)}\"","var api = require(\"!../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../postcss-loader/src/index.js??ref--5-1!./globals.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck-hidden{display:none!important}.ck.ck-reset,.ck.ck-reset_all,.ck.ck-reset_all *{box-sizing:border-box;width:auto;height:auto;position:static}:root{--ck-z-default:1;--ck-z-modal:calc(var(--ck-z-default) + 999)}.ck-transitions-disabled,.ck-transitions-disabled *{transition:none!important}:root{--ck-color-base-foreground:#fafafa;--ck-color-base-background:#fff;--ck-color-base-border:#c4c4c4;--ck-color-base-action:#61b045;--ck-color-base-focus:#6cb5f9;--ck-color-base-text:#333;--ck-color-base-active:#198cf0;--ck-color-base-active-focus:#0e7fe1;--ck-color-base-error:#db3700;--ck-color-focus-border-coordinates:208,79%,51%;--ck-color-focus-border:hsl(var(--ck-color-focus-border-coordinates));--ck-color-focus-outer-shadow:#bcdefb;--ck-color-focus-disabled-shadow:rgba(119,186,248,0.3);--ck-color-focus-error-shadow:rgba(255,64,31,0.3);--ck-color-text:var(--ck-color-base-text);--ck-color-shadow-drop:rgba(0,0,0,0.15);--ck-color-shadow-drop-active:rgba(0,0,0,0.2);--ck-color-shadow-inner:rgba(0,0,0,0.1);--ck-color-button-default-background:transparent;--ck-color-button-default-hover-background:#e6e6e6;--ck-color-button-default-active-background:#d9d9d9;--ck-color-button-default-active-shadow:#bfbfbf;--ck-color-button-default-disabled-background:transparent;--ck-color-button-on-background:#dedede;--ck-color-button-on-hover-background:#c4c4c4;--ck-color-button-on-active-background:#bababa;--ck-color-button-on-active-shadow:#a1a1a1;--ck-color-button-on-disabled-background:#dedede;--ck-color-button-action-background:var(--ck-color-base-action);--ck-color-button-action-hover-background:#579e3d;--ck-color-button-action-active-background:#53973b;--ck-color-button-action-active-shadow:#498433;--ck-color-button-action-disabled-background:#7ec365;--ck-color-button-action-text:var(--ck-color-base-background);--ck-color-button-save:#008a00;--ck-color-button-cancel:#db3700;--ck-color-switch-button-off-background:#b0b0b0;--ck-color-switch-button-off-hover-background:#a3a3a3;--ck-color-switch-button-on-background:var(--ck-color-button-action-background);--ck-color-switch-button-on-hover-background:#579e3d;--ck-color-switch-button-inner-background:var(--ck-color-base-background);--ck-color-switch-button-inner-shadow:rgba(0,0,0,0.1);--ck-color-dropdown-panel-background:var(--ck-color-base-background);--ck-color-dropdown-panel-border:var(--ck-color-base-border);--ck-color-input-background:var(--ck-color-base-background);--ck-color-input-border:#c7c7c7;--ck-color-input-error-border:var(--ck-color-base-error);--ck-color-input-text:var(--ck-color-base-text);--ck-color-input-disabled-background:#f2f2f2;--ck-color-input-disabled-border:#c7c7c7;--ck-color-input-disabled-text:#757575;--ck-color-list-background:var(--ck-color-base-background);--ck-color-list-button-hover-background:var(--ck-color-button-default-hover-background);--ck-color-list-button-on-background:var(--ck-color-base-active);--ck-color-list-button-on-background-focus:var(--ck-color-base-active-focus);--ck-color-list-button-on-text:var(--ck-color-base-background);--ck-color-panel-background:var(--ck-color-base-background);--ck-color-panel-border:var(--ck-color-base-border);--ck-color-toolbar-background:var(--ck-color-base-foreground);--ck-color-toolbar-border:var(--ck-color-base-border);--ck-color-tooltip-background:var(--ck-color-base-text);--ck-color-tooltip-text:var(--ck-color-base-background);--ck-color-engine-placeholder-text:#707070;--ck-color-upload-bar-background:#6cb5f9;--ck-color-link-default:#0000f0;--ck-color-link-selected-background:rgba(31,177,255,0.1);--ck-color-link-fake-selection:rgba(31,177,255,0.3);--ck-disabled-opacity:.5;--ck-focus-outer-shadow-geometry:0 0 0 3px;--ck-focus-outer-shadow:var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-outer-shadow);--ck-focus-disabled-outer-shadow:var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-disabled-shadow);--ck-focus-error-outer-shadow:var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-error-shadow);--ck-focus-ring:1px solid var(--ck-color-focus-border);--ck-font-size-base:13px;--ck-line-height-base:1.84615;--ck-font-face:Helvetica,Arial,Tahoma,Verdana,Sans-Serif;--ck-font-size-tiny:0.7em;--ck-font-size-small:0.75em;--ck-font-size-normal:1em;--ck-font-size-big:1.4em;--ck-font-size-large:1.8em;--ck-ui-component-min-height:2.3em}.ck.ck-reset,.ck.ck-reset_all,.ck.ck-reset_all *{margin:0;padding:0;border:0;background:transparent;text-decoration:none;vertical-align:middle;transition:none;word-wrap:break-word}.ck.ck-reset_all,.ck.ck-reset_all *{border-collapse:collapse;font:normal normal normal var(--ck-font-size-base)/var(--ck-line-height-base) var(--ck-font-face);color:var(--ck-color-text);text-align:left;white-space:nowrap;cursor:auto;float:none}.ck.ck-reset_all .ck-rtl *{text-align:right}.ck.ck-reset_all iframe{vertical-align:inherit}.ck.ck-reset_all textarea{white-space:pre-wrap}.ck.ck-reset_all input[type=password],.ck.ck-reset_all input[type=text],.ck.ck-reset_all textarea{cursor:text}.ck.ck-reset_all input[type=password][disabled],.ck.ck-reset_all input[type=text][disabled],.ck.ck-reset_all textarea[disabled]{cursor:default}.ck.ck-reset_all fieldset{padding:10px;border:2px groove #dfdee3}.ck.ck-reset_all button::-moz-focus-inner{padding:0;border:0}.ck[dir=rtl],.ck[dir=rtl] .ck{text-align:right}:root{--ck-border-radius:2px;--ck-inner-shadow:2px 2px 3px var(--ck-color-shadow-inner) inset;--ck-drop-shadow:0 1px 2px 1px var(--ck-color-shadow-drop);--ck-drop-shadow-active:0 3px 6px 1px var(--ck-color-shadow-drop-active);--ck-spacing-unit:0.6em;--ck-spacing-large:calc(var(--ck-spacing-unit)*1.5);--ck-spacing-standard:var(--ck-spacing-unit);--ck-spacing-medium:calc(var(--ck-spacing-unit)*0.8);--ck-spacing-small:calc(var(--ck-spacing-unit)*0.5);--ck-spacing-tiny:calc(var(--ck-spacing-unit)*0.3);--ck-spacing-extra-tiny:calc(var(--ck-spacing-unit)*0.16)}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./editorui.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-color-editable-blur-selection:#d9d9d9}.ck.ck-editor__editable:not(.ck-editor__nested-editable){border-radius:0}.ck-rounded-corners .ck.ck-editor__editable:not(.ck-editor__nested-editable),.ck.ck-editor__editable:not(.ck-editor__nested-editable).ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-editor__editable:not(.ck-editor__nested-editable).ck-focused{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-inner-shadow),0 0}.ck.ck-editor__editable_inline{overflow:auto;padding:0 var(--ck-spacing-standard);border:1px solid transparent}.ck.ck-editor__editable_inline[dir=ltr]{text-align:left}.ck.ck-editor__editable_inline[dir=rtl]{text-align:right}.ck.ck-editor__editable_inline>:first-child{margin-top:var(--ck-spacing-large)}.ck.ck-editor__editable_inline>:last-child{margin-bottom:var(--ck-spacing-large)}.ck.ck-editor__editable_inline.ck-blurred ::selection{background:var(--ck-color-editable-blur-selection)}.ck.ck-balloon-panel.ck-toolbar-container[class*=arrow_n]:after{border-bottom-color:var(--ck-color-base-foreground)}.ck.ck-balloon-panel.ck-toolbar-container[class*=arrow_s]:after{border-top-color:var(--ck-color-base-foreground)}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./dropdown.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-dropdown-max-width:75vw}.ck.ck-dropdown{display:inline-block;position:relative}.ck.ck-dropdown .ck-dropdown__arrow{pointer-events:none;z-index:var(--ck-z-default)}.ck.ck-dropdown .ck-button.ck-dropdown__button{width:100%}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on .ck-tooltip{display:none}.ck.ck-dropdown .ck-dropdown__panel{-webkit-backface-visibility:hidden;display:none;z-index:var(--ck-z-modal);max-width:var(--ck-dropdown-max-width);position:absolute}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel-visible{display:inline-block}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_n,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nme,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nmw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nw{bottom:100%}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_s,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_se,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sme,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_smw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sw{top:100%;bottom:auto}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_se{left:0}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sw{right:0}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_n,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_s{left:50%;transform:translateX(-50%)}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nmw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_smw{left:75%;transform:translateX(-75%)}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nme,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sme{left:25%;transform:translateX(-25%)}.ck.ck-toolbar .ck-dropdown__panel{z-index:calc(var(--ck-z-modal) + 1)}:root{--ck-dropdown-arrow-size:calc(var(--ck-icon-size)*0.5)}.ck.ck-dropdown{font-size:inherit}.ck.ck-dropdown .ck-dropdown__arrow{width:var(--ck-dropdown-arrow-size)}[dir=ltr] .ck.ck-dropdown .ck-dropdown__arrow{right:var(--ck-spacing-standard);margin-left:var(--ck-spacing-standard)}[dir=rtl] .ck.ck-dropdown .ck-dropdown__arrow{left:var(--ck-spacing-standard);margin-right:var(--ck-spacing-small)}.ck.ck-dropdown.ck-disabled .ck-dropdown__arrow{opacity:var(--ck-disabled-opacity)}[dir=ltr] .ck.ck-dropdown .ck-button.ck-dropdown__button:not(.ck-button_with-text){padding-left:var(--ck-spacing-small)}[dir=rtl] .ck.ck-dropdown .ck-button.ck-dropdown__button:not(.ck-button_with-text){padding-right:var(--ck-spacing-small)}.ck.ck-dropdown .ck-button.ck-dropdown__button .ck-button__label{width:7em;overflow:hidden;text-overflow:ellipsis}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-disabled .ck-button__label{opacity:var(--ck-disabled-opacity)}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on{border-bottom-left-radius:0;border-bottom-right-radius:0}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-dropdown__button_label-width_auto .ck-button__label{width:auto}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-off:active,.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on:active{box-shadow:none}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-off:active:focus,.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on:active:focus{box-shadow:var(--ck-focus-outer-shadow),0 0}.ck.ck-dropdown__panel{border-radius:0}.ck-rounded-corners .ck.ck-dropdown__panel,.ck.ck-dropdown__panel.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-dropdown__panel{box-shadow:var(--ck-drop-shadow),0 0;background:var(--ck-color-dropdown-panel-background);border:1px solid var(--ck-color-dropdown-panel-border);bottom:0;min-width:100%}.ck.ck-dropdown__panel.ck-dropdown__panel_se{border-top-left-radius:0}.ck.ck-dropdown__panel.ck-dropdown__panel_sw{border-top-right-radius:0}.ck.ck-dropdown__panel.ck-dropdown__panel_ne{border-bottom-left-radius:0}.ck.ck-dropdown__panel.ck-dropdown__panel_nw{border-bottom-right-radius:0}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./icon.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-icon{vertical-align:middle}:root{--ck-icon-size:calc(var(--ck-line-height-base)*var(--ck-font-size-normal))}.ck.ck-icon{width:var(--ck-icon-size);height:var(--ck-icon-size);font-size:.8333350694em;will-change:transform}.ck.ck-icon,.ck.ck-icon *{color:inherit;cursor:inherit}.ck.ck-icon :not([fill]){fill:currentColor}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./tooltip.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-tooltip,.ck.ck-tooltip .ck-tooltip__text:after{position:absolute;pointer-events:none;-webkit-backface-visibility:hidden}.ck.ck-tooltip{visibility:hidden;opacity:0;display:none;z-index:var(--ck-z-modal)}.ck.ck-tooltip .ck-tooltip__text{display:inline-block}.ck.ck-tooltip .ck-tooltip__text:after{content:\\\"\\\";width:0;height:0}:root{--ck-tooltip-arrow-size:5px}.ck.ck-tooltip{left:50%;top:0;transition:opacity .2s ease-in-out .2s}.ck.ck-tooltip .ck-tooltip__text{border-radius:0}.ck-rounded-corners .ck.ck-tooltip .ck-tooltip__text,.ck.ck-tooltip .ck-tooltip__text.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-tooltip .ck-tooltip__text{font-size:.9em;line-height:1.5;color:var(--ck-color-tooltip-text);padding:var(--ck-spacing-small) var(--ck-spacing-medium);background:var(--ck-color-tooltip-background);position:relative;left:-50%}.ck.ck-tooltip .ck-tooltip__text:after{transition:opacity .2s ease-in-out .2s;border-style:solid;left:50%}.ck.ck-tooltip.ck-tooltip_s,.ck.ck-tooltip.ck-tooltip_se,.ck.ck-tooltip.ck-tooltip_sw{bottom:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateY(100%)}.ck.ck-tooltip.ck-tooltip_s .ck-tooltip__text:after,.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text:after,.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text:after{top:calc(var(--ck-tooltip-arrow-size)*-1 + 1px);transform:translateX(-50%);border-left-color:transparent;border-bottom-color:var(--ck-color-tooltip-background);border-right-color:transparent;border-top-color:transparent;border-left-width:var(--ck-tooltip-arrow-size);border-bottom-width:var(--ck-tooltip-arrow-size);border-right-width:var(--ck-tooltip-arrow-size);border-top-width:0}.ck.ck-tooltip.ck-tooltip_sw{right:50%;left:auto}.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text{left:auto;right:calc(var(--ck-tooltip-arrow-size)*-2)}.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text:after{left:auto;right:0}.ck.ck-tooltip.ck-tooltip_se{left:50%;right:auto}.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text{right:auto;left:calc(var(--ck-tooltip-arrow-size)*-2)}.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text:after{right:auto;left:0;transform:translateX(50%)}.ck.ck-tooltip.ck-tooltip_n{top:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateY(-100%)}.ck.ck-tooltip.ck-tooltip_n .ck-tooltip__text:after{bottom:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateX(-50%);border-left-color:transparent;border-bottom-color:transparent;border-right-color:transparent;border-top-color:var(--ck-color-tooltip-background);border-left-width:var(--ck-tooltip-arrow-size);border-bottom-width:0;border-right-width:var(--ck-tooltip-arrow-size);border-top-width:var(--ck-tooltip-arrow-size)}.ck.ck-tooltip.ck-tooltip_e{left:calc(100% + var(--ck-tooltip-arrow-size));top:50%}.ck.ck-tooltip.ck-tooltip_e .ck-tooltip__text{left:0;transform:translateY(-50%)}.ck.ck-tooltip.ck-tooltip_e .ck-tooltip__text:after{left:calc(var(--ck-tooltip-arrow-size)*-1);top:calc(50% - var(--ck-tooltip-arrow-size)*1);border-left-color:transparent;border-bottom-color:transparent;border-right-color:var(--ck-color-tooltip-background);border-top-color:transparent;border-left-width:0;border-bottom-width:var(--ck-tooltip-arrow-size);border-right-width:var(--ck-tooltip-arrow-size);border-top-width:var(--ck-tooltip-arrow-size)}.ck.ck-tooltip.ck-tooltip_w{right:calc(100% + var(--ck-tooltip-arrow-size));left:auto;top:50%}.ck.ck-tooltip.ck-tooltip_w .ck-tooltip__text{left:0;transform:translateY(-50%)}.ck.ck-tooltip.ck-tooltip_w .ck-tooltip__text:after{left:100%;top:calc(50% - var(--ck-tooltip-arrow-size)*1);border-left-color:var(--ck-color-tooltip-background);border-bottom-color:transparent;border-right-color:transparent;border-top-color:transparent;border-left-width:var(--ck-tooltip-arrow-size);border-bottom-width:var(--ck-tooltip-arrow-size);border-right-width:0;border-top-width:var(--ck-tooltip-arrow-size)}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./button.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-button,a.ck.ck-button{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none}.ck.ck-button .ck-tooltip,a.ck.ck-button .ck-tooltip{display:block}@media (hover:none){.ck.ck-button .ck-tooltip,a.ck.ck-button .ck-tooltip{display:none}}.ck.ck-button,a.ck.ck-button{position:relative;display:inline-flex;align-items:center;justify-content:left}.ck.ck-button .ck-button__label,a.ck.ck-button .ck-button__label{display:none}.ck.ck-button.ck-button_with-text .ck-button__label,a.ck.ck-button.ck-button_with-text .ck-button__label{display:inline-block}.ck.ck-button:not(.ck-button_with-text),a.ck.ck-button:not(.ck-button_with-text){justify-content:center}.ck.ck-button:hover .ck-tooltip,a.ck.ck-button:hover .ck-tooltip{visibility:visible;opacity:1}.ck.ck-button:focus:not(:hover) .ck-tooltip,a.ck.ck-button:focus:not(:hover) .ck-tooltip{display:none}.ck.ck-button,a.ck.ck-button{background:var(--ck-color-button-default-background)}.ck.ck-button:not(.ck-disabled):hover,a.ck.ck-button:not(.ck-disabled):hover{background:var(--ck-color-button-default-hover-background)}.ck.ck-button:not(.ck-disabled):active,a.ck.ck-button:not(.ck-disabled):active{background:var(--ck-color-button-default-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-default-active-shadow)}.ck.ck-button.ck-disabled,a.ck.ck-button.ck-disabled{background:var(--ck-color-button-default-disabled-background)}.ck.ck-button,a.ck.ck-button{border-radius:0}.ck-rounded-corners .ck.ck-button,.ck-rounded-corners a.ck.ck-button,.ck.ck-button.ck-rounded-corners,a.ck.ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-button,a.ck.ck-button{white-space:nowrap;cursor:default;vertical-align:middle;padding:var(--ck-spacing-tiny);text-align:center;min-width:var(--ck-ui-component-min-height);min-height:var(--ck-ui-component-min-height);line-height:1;font-size:inherit;border:1px solid transparent;transition:box-shadow .2s ease-in-out,border .2s ease-in-out;-webkit-appearance:none}.ck.ck-button:active,.ck.ck-button:focus,a.ck.ck-button:active,a.ck.ck-button:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-focus-outer-shadow),0 0}.ck.ck-button .ck-button__icon use,.ck.ck-button .ck-button__icon use *,a.ck.ck-button .ck-button__icon use,a.ck.ck-button .ck-button__icon use *{color:inherit}.ck.ck-button .ck-button__label,a.ck.ck-button .ck-button__label{font-size:inherit;font-weight:inherit;color:inherit;cursor:inherit;vertical-align:middle}[dir=ltr] .ck.ck-button .ck-button__label,[dir=ltr] a.ck.ck-button .ck-button__label{text-align:left}[dir=rtl] .ck.ck-button .ck-button__label,[dir=rtl] a.ck.ck-button .ck-button__label{text-align:right}.ck.ck-button .ck-button__keystroke,a.ck.ck-button .ck-button__keystroke{color:inherit}[dir=ltr] .ck.ck-button .ck-button__keystroke,[dir=ltr] a.ck.ck-button .ck-button__keystroke{margin-left:var(--ck-spacing-large)}[dir=rtl] .ck.ck-button .ck-button__keystroke,[dir=rtl] a.ck.ck-button .ck-button__keystroke{margin-right:var(--ck-spacing-large)}.ck.ck-button .ck-button__keystroke,a.ck.ck-button .ck-button__keystroke{font-weight:700;opacity:.7}.ck.ck-button.ck-disabled:active,.ck.ck-button.ck-disabled:focus,a.ck.ck-button.ck-disabled:active,a.ck.ck-button.ck-disabled:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),0 0}.ck.ck-button.ck-disabled .ck-button__icon,a.ck.ck-button.ck-disabled .ck-button__icon{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-disabled .ck-button__label,a.ck.ck-button.ck-disabled .ck-button__label{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-disabled .ck-button__keystroke,a.ck.ck-button.ck-disabled .ck-button__keystroke{opacity:.3}.ck.ck-button.ck-button_with-text,a.ck.ck-button.ck-button_with-text{padding:var(--ck-spacing-tiny) var(--ck-spacing-standard)}[dir=ltr] .ck.ck-button.ck-button_with-text .ck-button__icon,[dir=ltr] a.ck.ck-button.ck-button_with-text .ck-button__icon{margin-left:calc(var(--ck-spacing-small)*-1);margin-right:var(--ck-spacing-small)}[dir=rtl] .ck.ck-button.ck-button_with-text .ck-button__icon,[dir=rtl] a.ck.ck-button.ck-button_with-text .ck-button__icon{margin-right:calc(var(--ck-spacing-small)*-1);margin-left:var(--ck-spacing-small)}.ck.ck-button.ck-button_with-keystroke .ck-button__label,a.ck.ck-button.ck-button_with-keystroke .ck-button__label{flex-grow:1}.ck.ck-button.ck-on,a.ck.ck-button.ck-on{background:var(--ck-color-button-on-background)}.ck.ck-button.ck-on:not(.ck-disabled):hover,a.ck.ck-button.ck-on:not(.ck-disabled):hover{background:var(--ck-color-button-on-hover-background)}.ck.ck-button.ck-on:not(.ck-disabled):active,a.ck.ck-button.ck-on:not(.ck-disabled):active{background:var(--ck-color-button-on-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-on-active-shadow)}.ck.ck-button.ck-on.ck-disabled,a.ck.ck-button.ck-on.ck-disabled{background:var(--ck-color-button-on-disabled-background)}.ck.ck-button.ck-button-save,a.ck.ck-button.ck-button-save{color:var(--ck-color-button-save)}.ck.ck-button.ck-button-cancel,a.ck.ck-button.ck-button-cancel{color:var(--ck-color-button-cancel)}.ck.ck-button-action,a.ck.ck-button-action{background:var(--ck-color-button-action-background)}.ck.ck-button-action:not(.ck-disabled):hover,a.ck.ck-button-action:not(.ck-disabled):hover{background:var(--ck-color-button-action-hover-background)}.ck.ck-button-action:not(.ck-disabled):active,a.ck.ck-button-action:not(.ck-disabled):active{background:var(--ck-color-button-action-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-action-active-shadow)}.ck.ck-button-action.ck-disabled,a.ck.ck-button-action.ck-disabled{background:var(--ck-color-button-action-disabled-background)}.ck.ck-button-action,a.ck.ck-button-action{color:var(--ck-color-button-action-text)}.ck.ck-button-bold,a.ck.ck-button-bold{font-weight:700}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./list.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-list{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-direction:column}.ck.ck-list .ck-list__item,.ck.ck-list .ck-list__separator{display:block}.ck.ck-list .ck-list__item>:focus{position:relative;z-index:var(--ck-z-default)}.ck.ck-list{border-radius:0}.ck-rounded-corners .ck.ck-list,.ck.ck-list.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-list{list-style-type:none;background:var(--ck-color-list-background)}.ck.ck-list__item{cursor:default;min-width:12em}.ck.ck-list__item .ck-button{min-height:unset;width:100%;text-align:left;border-radius:0;padding:calc(var(--ck-line-height-base)*0.2*var(--ck-font-size-base)) calc(var(--ck-line-height-base)*0.4*var(--ck-font-size-base))}.ck.ck-list__item .ck-button .ck-button__label{line-height:calc(var(--ck-line-height-base)*1.2*var(--ck-font-size-base))}.ck.ck-list__item .ck-button:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on{background:var(--ck-color-list-button-on-background);color:var(--ck-color-list-button-on-text)}.ck.ck-list__item .ck-button.ck-on:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on:hover:not(.ck-disabled){background:var(--ck-color-list-button-on-background-focus)}.ck.ck-list__item .ck-button.ck-on:focus:not(.ck-disabled){border-color:var(--ck-color-base-background)}.ck.ck-list__item .ck-button:hover:not(.ck-disabled){background:var(--ck-color-list-button-hover-background)}.ck.ck-list__item .ck-switchbutton.ck-on{background:var(--ck-color-list-background);color:inherit}.ck.ck-list__item .ck-switchbutton.ck-on:hover:not(.ck-disabled){background:var(--ck-color-list-button-hover-background);color:inherit}.ck.ck-list__separator{height:1px;width:100%;background:var(--ck-color-base-border)}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./switchbutton.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-button.ck-switchbutton .ck-button__toggle,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{display:block}:root{--ck-switch-button-toggle-width:2.6153846154em;--ck-switch-button-toggle-inner-size:1.0769230769em;--ck-switch-button-toggle-spacing:1px;--ck-switch-button-translation:calc(var(--ck-switch-button-toggle-width) - var(--ck-switch-button-toggle-inner-size) - var(--ck-switch-button-toggle-spacing)*2)}[dir=ltr] .ck.ck-button.ck-switchbutton .ck-button__label{margin-right:calc(var(--ck-spacing-large)*2)}[dir=rtl] .ck.ck-button.ck-switchbutton .ck-button__label{margin-left:calc(var(--ck-spacing-large)*2)}.ck.ck-button.ck-switchbutton .ck-button__toggle{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle,.ck.ck-button.ck-switchbutton .ck-button__toggle.ck-rounded-corners{border-radius:var(--ck-border-radius)}[dir=ltr] .ck.ck-button.ck-switchbutton .ck-button__toggle{margin-left:auto}[dir=rtl] .ck.ck-button.ck-switchbutton .ck-button__toggle{margin-right:auto}.ck.ck-button.ck-switchbutton .ck-button__toggle{transition:background .4s ease;width:var(--ck-switch-button-toggle-width);background:var(--ck-color-switch-button-off-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner.ck-rounded-corners{border-radius:var(--ck-border-radius);border-radius:calc(var(--ck-border-radius)*0.5)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{margin:var(--ck-switch-button-toggle-spacing);width:var(--ck-switch-button-toggle-inner-size);height:var(--ck-switch-button-toggle-inner-size);background:var(--ck-color-switch-button-inner-background);transition:all .3s ease}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover{background:var(--ck-color-switch-button-off-hover-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover .ck-button__toggle__inner{box-shadow:0 0 0 5px var(--ck-color-switch-button-inner-shadow)}.ck.ck-button.ck-switchbutton.ck-disabled .ck-button__toggle{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle{background:var(--ck-color-switch-button-on-background)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle:hover{background:var(--ck-color-switch-button-on-hover-background)}[dir=ltr] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(var(--ck-switch-button-translation))}[dir=rtl] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(calc(var(--ck-switch-button-translation)*-1))}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./toolbardropdown.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-toolbar-dropdown-max-width:60vw}.ck.ck-toolbar-dropdown>.ck-dropdown__panel{width:max-content;max-width:var(--ck-toolbar-dropdown-max-width)}.ck.ck-toolbar-dropdown>.ck-dropdown__panel .ck-button:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-toolbar-dropdown .ck-toolbar{border:0}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./listdropdown.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-dropdown .ck-dropdown__panel .ck-list{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list,.ck.ck-dropdown .ck-dropdown__panel .ck-list.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0}.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button,.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0}.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button,.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0;border-top-right-radius:0}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./toolbar.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-toolbar{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-flow:row nowrap;align-items:center}.ck.ck-toolbar>.ck-toolbar__items{display:flex;flex-flow:row wrap;align-items:center;flex-grow:1}.ck.ck-toolbar .ck.ck-toolbar__separator{display:inline-block}.ck.ck-toolbar .ck.ck-toolbar__separator:first-child,.ck.ck-toolbar .ck.ck-toolbar__separator:last-child{display:none}.ck.ck-toolbar .ck-toolbar__line-break{flex-basis:100%}.ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items{flex-wrap:nowrap}.ck.ck-toolbar.ck-toolbar_vertical>.ck-toolbar__items{flex-direction:column}.ck.ck-toolbar.ck-toolbar_floating>.ck-toolbar__items{flex-wrap:nowrap}.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown>.ck-dropdown__button .ck-dropdown__arrow{display:none}.ck.ck-toolbar{border-radius:0}.ck-rounded-corners .ck.ck-toolbar,.ck.ck-toolbar.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-toolbar{background:var(--ck-color-toolbar-background);padding:0 var(--ck-spacing-small);border:1px solid var(--ck-color-toolbar-border)}.ck.ck-toolbar .ck.ck-toolbar__separator{align-self:stretch;width:1px;min-width:1px;background:var(--ck-color-toolbar-border);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck.ck-toolbar .ck-toolbar__line-break{height:0}.ck.ck-toolbar>.ck-toolbar__items>:not(.ck-toolbar__line-break){margin-right:var(--ck-spacing-small)}.ck.ck-toolbar>.ck-toolbar__items:empty+.ck.ck-toolbar__separator{display:none}.ck.ck-toolbar>.ck-toolbar__items>:not(.ck-toolbar__line-break),.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown{margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck.ck-toolbar.ck-toolbar_vertical{padding:0}.ck.ck-toolbar.ck-toolbar_vertical>.ck-toolbar__items>.ck{width:100%;margin:0;border-radius:0;border:0}.ck.ck-toolbar.ck-toolbar_compact{padding:0}.ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>*{margin:0}.ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>:not(:first-child):not(:last-child){border-radius:0}.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown>.ck.ck-button.ck-dropdown__button{padding-left:var(--ck-spacing-tiny)}.ck-toolbar-container .ck.ck-toolbar{border:0}.ck.ck-toolbar[dir=rtl]>.ck-toolbar__items>.ck,[dir=rtl] .ck.ck-toolbar>.ck-toolbar__items>.ck{margin-right:0}.ck.ck-toolbar[dir=rtl]:not(.ck-toolbar_compact)>.ck-toolbar__items>.ck,[dir=rtl] .ck.ck-toolbar:not(.ck-toolbar_compact)>.ck-toolbar__items>.ck{margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=rtl]>.ck-toolbar__items>.ck:last-child,[dir=rtl] .ck.ck-toolbar>.ck-toolbar__items>.ck:last-child{margin-left:0}.ck.ck-toolbar[dir=rtl].ck-toolbar_compact>.ck-toolbar__items>.ck:first-child,[dir=rtl] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:first-child{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-toolbar[dir=rtl].ck-toolbar_compact>.ck-toolbar__items>.ck:last-child,[dir=rtl] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:last-child{border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-toolbar[dir=rtl]>.ck.ck-toolbar__separator,[dir=rtl] .ck.ck-toolbar>.ck.ck-toolbar__separator{margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=rtl].ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child),[dir=rtl] .ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child){margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=ltr]>.ck-toolbar__items>.ck:last-child,[dir=ltr] .ck.ck-toolbar>.ck-toolbar__items>.ck:last-child{margin-right:0}.ck.ck-toolbar[dir=ltr].ck-toolbar_compact>.ck-toolbar__items>.ck:first-child,[dir=ltr] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-toolbar[dir=ltr].ck-toolbar_compact>.ck-toolbar__items>.ck:last-child,[dir=ltr] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:last-child{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-toolbar[dir=ltr]>.ck.ck-toolbar__separator,[dir=ltr] .ck.ck-toolbar>.ck.ck-toolbar__separator{margin-right:var(--ck-spacing-small)}.ck.ck-toolbar[dir=ltr].ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child),[dir=ltr] .ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child){margin-right:var(--ck-spacing-small)}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./balloonpanel.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-balloon-panel-arrow-z-index:calc(var(--ck-z-default) - 3)}.ck.ck-balloon-panel{display:none;position:absolute;z-index:var(--ck-z-modal)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after,.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{content:\\\"\\\";position:absolute}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{z-index:var(--ck-balloon-panel-arrow-z-index)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after{z-index:calc(var(--ck-balloon-panel-arrow-z-index) + 1)}.ck.ck-balloon-panel[class*=arrow_n]:before{z-index:var(--ck-balloon-panel-arrow-z-index)}.ck.ck-balloon-panel[class*=arrow_n]:after{z-index:calc(var(--ck-balloon-panel-arrow-z-index) + 1)}.ck.ck-balloon-panel[class*=arrow_s]:before{z-index:var(--ck-balloon-panel-arrow-z-index)}.ck.ck-balloon-panel[class*=arrow_s]:after{z-index:calc(var(--ck-balloon-panel-arrow-z-index) + 1)}.ck.ck-balloon-panel.ck-balloon-panel_visible{display:block}:root{--ck-balloon-arrow-offset:2px;--ck-balloon-arrow-height:10px;--ck-balloon-arrow-half-width:8px;--ck-balloon-arrow-drop-shadow:0 2px 2px var(--ck-color-shadow-drop)}.ck.ck-balloon-panel{border-radius:0}.ck-rounded-corners .ck.ck-balloon-panel,.ck.ck-balloon-panel.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-balloon-panel{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after,.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{width:0;height:0;border-style:solid}.ck.ck-balloon-panel[class*=arrow_n]:after,.ck.ck-balloon-panel[class*=arrow_n]:before{border-left-width:var(--ck-balloon-arrow-half-width);border-bottom-width:var(--ck-balloon-arrow-height);border-right-width:var(--ck-balloon-arrow-half-width);border-top-width:0}.ck.ck-balloon-panel[class*=arrow_n]:before{border-bottom-color:var(--ck-color-panel-border)}.ck.ck-balloon-panel[class*=arrow_n]:after,.ck.ck-balloon-panel[class*=arrow_n]:before{border-left-color:transparent;border-right-color:transparent;border-top-color:transparent}.ck.ck-balloon-panel[class*=arrow_n]:after{border-bottom-color:var(--ck-color-panel-background);margin-top:var(--ck-balloon-arrow-offset)}.ck.ck-balloon-panel[class*=arrow_s]:after,.ck.ck-balloon-panel[class*=arrow_s]:before{border-left-width:var(--ck-balloon-arrow-half-width);border-bottom-width:0;border-right-width:var(--ck-balloon-arrow-half-width);border-top-width:var(--ck-balloon-arrow-height)}.ck.ck-balloon-panel[class*=arrow_s]:before{border-top-color:var(--ck-color-panel-border);filter:drop-shadow(var(--ck-balloon-arrow-drop-shadow))}.ck.ck-balloon-panel[class*=arrow_s]:after,.ck.ck-balloon-panel[class*=arrow_s]:before{border-left-color:transparent;border-bottom-color:transparent;border-right-color:transparent}.ck.ck-balloon-panel[class*=arrow_s]:after{border-top-color:var(--ck-color-panel-background);margin-bottom:var(--ck-balloon-arrow-offset)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_n:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_n:before{left:50%;margin-left:calc(var(--ck-balloon-arrow-half-width)*-1);top:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_nw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_nw:before{left:calc(var(--ck-balloon-arrow-half-width)*2);top:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_ne:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_ne:before{right:calc(var(--ck-balloon-arrow-half-width)*2);top:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_s:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_s:before{left:50%;margin-left:calc(var(--ck-balloon-arrow-half-width)*-1);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_sw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_sw:before{left:calc(var(--ck-balloon-arrow-half-width)*2);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_se:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_se:before{right:calc(var(--ck-balloon-arrow-half-width)*2);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_sme:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_sme:before{right:25%;margin-right:calc(var(--ck-balloon-arrow-half-width)*2);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_smw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_smw:before{left:25%;margin-left:calc(var(--ck-balloon-arrow-half-width)*2);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_nme:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_nme:before{right:25%;margin-right:calc(var(--ck-balloon-arrow-half-width)*2);top:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_nmw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_nmw:before{left:25%;margin-left:calc(var(--ck-balloon-arrow-half-width)*2);top:calc(var(--ck-balloon-arrow-height)*-1)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./widgettypearound.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck .ck-widget .ck-widget__type-around__button{display:block;position:absolute;overflow:hidden;z-index:var(--ck-z-default)}.ck .ck-widget .ck-widget__type-around__button svg{position:absolute;top:50%;left:50%;z-index:calc(var(--ck-z-default) + 2)}.ck .ck-widget .ck-widget__type-around__button.ck-widget__type-around__button_before{top:calc(var(--ck-widget-outline-thickness)*-0.5);left:min(10%,30px);transform:translateY(-50%)}.ck .ck-widget .ck-widget__type-around__button.ck-widget__type-around__button_after{bottom:calc(var(--ck-widget-outline-thickness)*-0.5);right:min(10%,30px);transform:translateY(50%)}.ck .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button:after,.ck .ck-widget>.ck-widget__type-around>.ck-widget__type-around__button:hover:after{content:\\\"\\\";display:block;position:absolute;top:1px;left:1px;z-index:calc(var(--ck-z-default) + 1)}.ck .ck-widget>.ck-widget__type-around>.ck-widget__type-around__fake-caret{display:none;position:absolute;left:0;right:0}.ck .ck-widget:hover>.ck-widget__type-around>.ck-widget__type-around__fake-caret{left:calc(var(--ck-widget-outline-thickness)*-1);right:calc(var(--ck-widget-outline-thickness)*-1)}.ck .ck-widget.ck-widget_type-around_show-fake-caret_before>.ck-widget__type-around>.ck-widget__type-around__fake-caret{top:calc(var(--ck-widget-outline-thickness)*-1 - 1px);display:block}.ck .ck-widget.ck-widget_type-around_show-fake-caret_after>.ck-widget__type-around>.ck-widget__type-around__fake-caret{bottom:calc(var(--ck-widget-outline-thickness)*-1 - 1px);display:block}.ck.ck-editor__editable.ck-read-only .ck-widget__type-around,.ck.ck-editor__editable.ck-restricted-editing_mode_restricted .ck-widget__type-around,.ck.ck-editor__editable.ck-widget__type-around_disabled .ck-widget__type-around{display:none}:root{--ck-widget-type-around-button-size:20px;--ck-color-widget-type-around-button-active:var(--ck-color-focus-border);--ck-color-widget-type-around-button-hover:var(--ck-color-widget-hover-border);--ck-color-widget-type-around-button-blurred-editable:var(--ck-color-widget-blurred-border);--ck-color-widget-type-around-button-radar-start-alpha:0;--ck-color-widget-type-around-button-radar-end-alpha:.3;--ck-color-widget-type-around-button-icon:var(--ck-color-base-background)}.ck .ck-widget .ck-widget__type-around__button{width:var(--ck-widget-type-around-button-size);height:var(--ck-widget-type-around-button-size);background:var(--ck-color-widget-type-around-button);border-radius:100px;transition:opacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),background var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);opacity:0;pointer-events:none}.ck .ck-widget .ck-widget__type-around__button svg{width:10px;height:8px;transform:translate(-50%,-50%);transition:transform .5s ease;margin-top:1px}.ck .ck-widget .ck-widget__type-around__button svg *{stroke-dasharray:10;stroke-dashoffset:0;fill:none;stroke:var(--ck-color-widget-type-around-button-icon);stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round}.ck .ck-widget .ck-widget__type-around__button svg line{stroke-dasharray:7}.ck .ck-widget .ck-widget__type-around__button:hover{animation:ck-widget-type-around-button-sonar 1s ease infinite}.ck .ck-widget .ck-widget__type-around__button:hover svg polyline{animation:ck-widget-type-around-arrow-dash 2s linear}.ck .ck-widget .ck-widget__type-around__button:hover svg line{animation:ck-widget-type-around-arrow-tip-dash 2s linear}.ck .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button,.ck .ck-widget:hover>.ck-widget__type-around>.ck-widget__type-around__button{opacity:1;pointer-events:auto}.ck .ck-widget:not(.ck-widget_selected)>.ck-widget__type-around>.ck-widget__type-around__button{background:var(--ck-color-widget-type-around-button-hover)}.ck .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button,.ck .ck-widget>.ck-widget__type-around>.ck-widget__type-around__button:hover{background:var(--ck-color-widget-type-around-button-active)}.ck .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button:after,.ck .ck-widget>.ck-widget__type-around>.ck-widget__type-around__button:hover:after{width:calc(var(--ck-widget-type-around-button-size) - 2px);height:calc(var(--ck-widget-type-around-button-size) - 2px);border-radius:100px;background:linear-gradient(135deg,hsla(0,0%,100%,0),hsla(0,0%,100%,.3))}.ck .ck-widget.ck-widget_with-selection-handle>.ck-widget__type-around>.ck-widget__type-around__button_before{margin-left:20px}.ck .ck-widget .ck-widget__type-around__fake-caret{pointer-events:none;height:1px;animation:ck-widget-type-around-fake-caret-pulse 1s linear infinite normal forwards;outline:1px solid hsla(0,0%,100%,.5);background:var(--ck-color-base-text)}.ck .ck-widget.ck-widget_selected.ck-widget_type-around_show-fake-caret_after,.ck .ck-widget.ck-widget_selected.ck-widget_type-around_show-fake-caret_before{outline-color:transparent}.ck .ck-widget.ck-widget_type-around_show-fake-caret_after.ck-widget_selected:hover,.ck .ck-widget.ck-widget_type-around_show-fake-caret_before.ck-widget_selected:hover{outline-color:var(--ck-color-widget-hover-border)}.ck .ck-widget.ck-widget_type-around_show-fake-caret_after>.ck-widget__type-around>.ck-widget__type-around__button,.ck .ck-widget.ck-widget_type-around_show-fake-caret_before>.ck-widget__type-around>.ck-widget__type-around__button{opacity:0;pointer-events:none}.ck .ck-widget.ck-widget_type-around_show-fake-caret_after.ck-widget_with-selection-handle.ck-widget_selected:hover>.ck-widget__selection-handle,.ck .ck-widget.ck-widget_type-around_show-fake-caret_after.ck-widget_with-selection-handle.ck-widget_selected>.ck-widget__selection-handle,.ck .ck-widget.ck-widget_type-around_show-fake-caret_before.ck-widget_with-selection-handle.ck-widget_selected:hover>.ck-widget__selection-handle,.ck .ck-widget.ck-widget_type-around_show-fake-caret_before.ck-widget_with-selection-handle.ck-widget_selected>.ck-widget__selection-handle{opacity:0}.ck .ck-widget.ck-widget_type-around_show-fake-caret_after.ck-widget_selected.ck-widget_with-resizer>.ck-widget__resizer,.ck .ck-widget.ck-widget_type-around_show-fake-caret_before.ck-widget_selected.ck-widget_with-resizer>.ck-widget__resizer{opacity:0}.ck[dir=rtl] .ck-widget.ck-widget_with-selection-handle .ck-widget__type-around>.ck-widget__type-around__button_before{margin-left:0;margin-right:20px}.ck-editor__nested-editable.ck-editor__editable_selected .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button,.ck-editor__nested-editable.ck-editor__editable_selected .ck-widget:hover>.ck-widget__type-around>.ck-widget__type-around__button{opacity:0;pointer-events:none}.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button:not(:hover){background:var(--ck-color-widget-type-around-button-blurred-editable)}.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button:not(:hover) svg *{stroke:#999}@keyframes ck-widget-type-around-arrow-dash{0%{stroke-dashoffset:10}20%,to{stroke-dashoffset:0}}@keyframes ck-widget-type-around-arrow-tip-dash{0%,20%{stroke-dashoffset:7}40%,to{stroke-dashoffset:0}}@keyframes ck-widget-type-around-button-sonar{0%{box-shadow:0 0 0 0 hsla(var(--ck-color-focus-border-coordinates),var(--ck-color-widget-type-around-button-radar-start-alpha))}50%{box-shadow:0 0 0 5px hsla(var(--ck-color-focus-border-coordinates),var(--ck-color-widget-type-around-button-radar-end-alpha))}to{box-shadow:0 0 0 5px hsla(var(--ck-color-focus-border-coordinates),var(--ck-color-widget-type-around-button-radar-start-alpha))}}@keyframes ck-widget-type-around-fake-caret-pulse{0%{opacity:1}49%{opacity:1}50%{opacity:0}99%{opacity:0}to{opacity:1}}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./widget.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-color-resizer:var(--ck-color-focus-border);--ck-color-resizer-tooltip-background:#262626;--ck-color-resizer-tooltip-text:#f2f2f2;--ck-resizer-border-radius:var(--ck-border-radius);--ck-resizer-tooltip-offset:10px}.ck .ck-widget,.ck .ck-widget.ck-widget_with-selection-handle{position:relative}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle{position:absolute}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle .ck-icon{display:block}.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected .ck-widget__selection-handle,.ck .ck-widget.ck-widget_with-selection-handle:hover .ck-widget__selection-handle{visibility:visible}.ck .ck-size-view{background:var(--ck-color-resizer-tooltip-background);color:var(--ck-color-resizer-tooltip-text);border:1px solid var(--ck-color-resizer-tooltip-text);border-radius:var(--ck-resizer-border-radius);font-size:var(--ck-font-size-tiny);display:block;padding:var(--ck-spacing-small)}.ck .ck-size-view.ck-orientation-bottom-left,.ck .ck-size-view.ck-orientation-bottom-right,.ck .ck-size-view.ck-orientation-top-left,.ck .ck-size-view.ck-orientation-top-right{position:absolute}.ck .ck-size-view.ck-orientation-top-left{top:var(--ck-resizer-tooltip-offset);left:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-top-right{top:var(--ck-resizer-tooltip-offset);right:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-bottom-right{bottom:var(--ck-resizer-tooltip-offset);right:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-bottom-left{bottom:var(--ck-resizer-tooltip-offset);left:var(--ck-resizer-tooltip-offset)}:root{--ck-widget-outline-thickness:3px;--ck-widget-handler-icon-size:16px;--ck-widget-handler-animation-duration:200ms;--ck-widget-handler-animation-curve:ease;--ck-color-widget-blurred-border:#dedede;--ck-color-widget-hover-border:#ffc83d;--ck-color-widget-editable-focus-background:var(--ck-color-base-background);--ck-color-widget-drag-handler-icon-color:var(--ck-color-base-background)}.ck .ck-widget{outline-width:var(--ck-widget-outline-thickness);outline-style:solid;outline-color:transparent;transition:outline-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve)}.ck .ck-widget.ck-widget_selected,.ck .ck-widget.ck-widget_selected:hover{outline:var(--ck-widget-outline-thickness) solid var(--ck-color-focus-border)}.ck .ck-widget:hover{outline-color:var(--ck-color-widget-hover-border)}.ck .ck-editor__nested-editable{border:1px solid transparent}.ck .ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck .ck-editor__nested-editable:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-inner-shadow),0 0;background-color:var(--ck-color-widget-editable-focus-background)}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle{padding:4px;box-sizing:border-box;background-color:transparent;opacity:0;transition:background-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),visibility var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),opacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);border-radius:var(--ck-border-radius) var(--ck-border-radius) 0 0;transform:translateY(-100%);left:calc(0px - var(--ck-widget-outline-thickness))}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle .ck-icon{width:var(--ck-widget-handler-icon-size);height:var(--ck-widget-handler-icon-size);color:var(--ck-color-widget-drag-handler-icon-color)}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle .ck-icon .ck-icon__selected-indicator{opacity:0;transition:opacity .3s var(--ck-widget-handler-animation-curve)}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle:hover .ck-icon .ck-icon__selected-indicator{opacity:1}.ck .ck-widget.ck-widget_with-selection-handle:hover .ck-widget__selection-handle{opacity:1;background-color:var(--ck-color-widget-hover-border)}.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected .ck-widget__selection-handle,.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected:hover .ck-widget__selection-handle{opacity:1;background-color:var(--ck-color-focus-border)}.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected .ck-widget__selection-handle .ck-icon .ck-icon__selected-indicator,.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected:hover .ck-widget__selection-handle .ck-icon .ck-icon__selected-indicator{opacity:1}.ck[dir=rtl] .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle{left:auto;right:calc(0px - var(--ck-widget-outline-thickness))}.ck.ck-editor__editable.ck-read-only .ck-widget{transition:none}.ck.ck-editor__editable.ck-read-only .ck-widget:not(.ck-widget_selected){--ck-widget-outline-thickness:0px}.ck.ck-editor__editable.ck-read-only .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle,.ck.ck-editor__editable.ck-read-only .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle:hover{background:var(--ck-color-widget-blurred-border)}.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected,.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected:hover{outline-color:var(--ck-color-widget-blurred-border)}.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected.ck-widget_with-selection-handle .ck-widget__selection-handle,.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected.ck-widget_with-selection-handle .ck-widget__selection-handle:hover,.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected:hover.ck-widget_with-selection-handle .ck-widget__selection-handle,.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected:hover.ck-widget_with-selection-handle .ck-widget__selection-handle:hover{background:var(--ck-color-widget-blurred-border)}.ck.ck-editor__editable>.ck-widget.ck-widget_with-selection-handle:first-child,.ck.ck-editor__editable blockquote>.ck-widget.ck-widget_with-selection-handle:first-child{margin-top:calc(1em + var(--ck-widget-handler-icon-size))}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./balloonrotator.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck .ck-balloon-rotator__navigation{display:flex;align-items:center;justify-content:center}.ck .ck-balloon-rotator__content .ck-toolbar{justify-content:center}.ck .ck-balloon-rotator__navigation{background:var(--ck-color-toolbar-background);border-bottom:1px solid var(--ck-color-toolbar-border);padding:0 var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation>*{margin-right:var(--ck-spacing-small);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation .ck-balloon-rotator__counter{margin-right:var(--ck-spacing-standard);margin-left:var(--ck-spacing-small)}.ck .ck-balloon-rotator__content .ck.ck-annotation-wrapper{box-shadow:none}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./fakepanel.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck .ck-fake-panel{position:absolute;z-index:calc(var(--ck-z-modal) - 1)}.ck .ck-fake-panel div{position:absolute}.ck .ck-fake-panel div:first-child{z-index:2}.ck .ck-fake-panel div:nth-child(2){z-index:1}:root{--ck-balloon-fake-panel-offset-horizontal:6px;--ck-balloon-fake-panel-offset-vertical:6px}.ck .ck-fake-panel div{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck .ck-fake-panel div:nth-child(3){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*3);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*3)}.ck .ck-balloon-panel_arrow_s+.ck-fake-panel,.ck .ck-balloon-panel_arrow_se+.ck-fake-panel,.ck .ck-balloon-panel_arrow_sw+.ck-fake-panel{--ck-balloon-fake-panel-offset-vertical:-6px}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./imageuploadprogress.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-editor__editable .image{position:relative}.ck.ck-editor__editable .image .ck-progress-bar{position:absolute;top:0;left:0}.ck.ck-editor__editable .image.ck-appear{animation:fadeIn .7s}.ck.ck-editor__editable .image .ck-progress-bar{height:2px;width:0;background:var(--ck-color-upload-bar-background);transition:width .1s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./imageuploadicon.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck-image-upload-complete-icon{display:block;position:absolute;top:10px;right:10px;border-radius:50%}.ck-image-upload-complete-icon:after{content:\\\"\\\";position:absolute}:root{--ck-color-image-upload-icon:#fff;--ck-color-image-upload-icon-background:#008a00;--ck-image-upload-icon-size:20px;--ck-image-upload-icon-width:2px}.ck-image-upload-complete-icon{width:var(--ck-image-upload-icon-size);height:var(--ck-image-upload-icon-size);opacity:0;background:var(--ck-color-image-upload-icon-background);animation-name:ck-upload-complete-icon-show,ck-upload-complete-icon-hide;animation-fill-mode:forwards,forwards;animation-duration:.5s,.5s;font-size:var(--ck-image-upload-icon-size);animation-delay:0ms,3s}.ck-image-upload-complete-icon:after{left:25%;top:50%;opacity:0;height:0;width:0;transform:scaleX(-1) rotate(135deg);transform-origin:left top;border-top:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);border-right:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);animation-name:ck-upload-complete-icon-check;animation-duration:.5s;animation-delay:.5s;animation-fill-mode:forwards;box-sizing:border-box}@keyframes ck-upload-complete-icon-show{0%{opacity:0}to{opacity:1}}@keyframes ck-upload-complete-icon-hide{0%{opacity:1}to{opacity:0}}@keyframes ck-upload-complete-icon-check{0%{opacity:1;width:0;height:0}33%{width:.3em;height:0}to{opacity:1;width:.3em;height:.45em}}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./imageuploadloader.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck .ck-upload-placeholder-loader{position:absolute;display:flex;align-items:center;justify-content:center;top:0;left:0}.ck .ck-upload-placeholder-loader:before{content:\\\"\\\";position:relative}:root{--ck-color-upload-placeholder-loader:#b3b3b3;--ck-upload-placeholder-loader-size:32px}.ck .ck-image-upload-placeholder{width:100%;margin:0}.ck .ck-upload-placeholder-loader{width:100%;height:100%}.ck .ck-upload-placeholder-loader:before{width:var(--ck-upload-placeholder-loader-size);height:var(--ck-upload-placeholder-loader-size);border-radius:50%;border-top:3px solid var(--ck-color-upload-placeholder-loader);border-right:2px solid transparent;animation:ck-upload-placeholder-loader 1s linear infinite}@keyframes ck-upload-placeholder-loader{to{transform:rotate(1turn)}}\"","module.exports = \".ck-content code{background-color:hsla(0,0%,78%,.3);padding:.15em;border-radius:2px}.ck.ck-editor__editable .ck-code_selected{background-color:hsla(0,0%,78%,.5)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./blockquote.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck-content blockquote{overflow:hidden;padding-right:1.5em;padding-left:1.5em;margin-left:0;margin-right:0;font-style:italic;border-left:5px solid #ccc}.ck-content[dir=rtl] blockquote{border-left:0;border-right:5px solid #ccc}\"","module.exports = \".ck.ck-heading_heading1{font-size:20px}.ck.ck-heading_heading2{font-size:17px}.ck.ck-heading_heading3{font-size:14px}.ck[class*=ck-heading_heading]{font-weight:700}.ck.ck-dropdown.ck-heading-dropdown .ck-dropdown__button .ck-button__label{width:8em}.ck.ck-dropdown.ck-heading-dropdown .ck-dropdown__panel .ck-list__item{min-width:18em}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./label.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-label{display:block}.ck.ck-voice-label{display:none}.ck.ck-label{font-weight:700}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./labeledfieldview.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper{display:flex;position:relative}.ck.ck-labeled-field-view .ck.ck-label{display:block;position:absolute}:root{--ck-labeled-field-view-transition:.1s cubic-bezier(0,0,0.24,0.95);--ck-labeled-field-empty-unfocused-max-width:100% - 2 * var(--ck-spacing-medium);--ck-color-labeled-field-label-background:var(--ck-color-base-background)}.ck.ck-labeled-field-view{border-radius:0}.ck-rounded-corners .ck.ck-labeled-field-view,.ck.ck-labeled-field-view.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper{width:100%}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{top:0}[dir=ltr] .ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{left:0}[dir=rtl] .ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{right:0}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{pointer-events:none;transform-origin:0 0;transform:translate(var(--ck-spacing-medium),-6px) scale(.75);background:var(--ck-color-labeled-field-label-background);padding:0 calc(var(--ck-font-size-tiny)*0.5);line-height:normal;font-weight:400;text-overflow:ellipsis;overflow:hidden;max-width:100%;transition:transform var(--ck-labeled-field-view-transition),padding var(--ck-labeled-field-view-transition),background var(--ck-labeled-field-view-transition)}.ck.ck-labeled-field-view.ck-error .ck-input:not([readonly])+.ck.ck-label,.ck.ck-labeled-field-view.ck-error>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{color:var(--ck-color-base-error)}.ck.ck-labeled-field-view .ck-labeled-field-view__status{font-size:var(--ck-font-size-small);margin-top:var(--ck-spacing-small);white-space:normal}.ck.ck-labeled-field-view .ck-labeled-field-view__status.ck-labeled-field-view__status_error{color:var(--ck-color-base-error)}.ck.ck-labeled-field-view.ck-disabled>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{color:var(--ck-color-input-disabled-text)}[dir=ltr] .ck.ck-labeled-field-view.ck-disabled>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,[dir=ltr] .ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{transform:translate(var(--ck-spacing-medium),calc(var(--ck-font-size-base)*0.6)) scale(1)}[dir=rtl] .ck.ck-labeled-field-view.ck-disabled>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,[dir=rtl] .ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{transform:translate(calc(var(--ck-spacing-medium)*-1),calc(var(--ck-font-size-base)*0.6)) scale(1)}.ck.ck-labeled-field-view.ck-disabled>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{max-width:calc(var(--ck-labeled-field-empty-unfocused-max-width));background:transparent;padding:0}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown>.ck.ck-button{background:transparent}.ck.ck-labeled-field-view.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown>.ck-button>.ck-button__label{opacity:0}.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown+.ck-label{max-width:calc(var(--ck-labeled-field-empty-unfocused-max-width) - var(--ck-dropdown-arrow-size) - var(--ck-spacing-standard))}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./inputtext.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-input-text-width:18em}.ck.ck-input-text{border-radius:0}.ck-rounded-corners .ck.ck-input-text,.ck.ck-input-text.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-input-text{background:var(--ck-color-input-background);border:1px solid var(--ck-color-input-border);padding:var(--ck-spacing-extra-tiny) var(--ck-spacing-medium);min-width:var(--ck-input-text-width);min-height:var(--ck-ui-component-min-height);transition:box-shadow .1s ease-in-out,border .1s ease-in-out}.ck.ck-input-text:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-focus-outer-shadow),0 0}.ck.ck-input-text[readonly]{border:1px solid var(--ck-color-input-disabled-border);background:var(--ck-color-input-disabled-background);color:var(--ck-color-input-disabled-text)}.ck.ck-input-text[readonly]:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),0 0}.ck.ck-input-text.ck-error{border-color:var(--ck-color-input-error-border);animation:ck-text-input-shake .3s ease both}.ck.ck-input-text.ck-error:focus{box-shadow:var(--ck-focus-error-outer-shadow),0 0}@keyframes ck-text-input-shake{20%{transform:translateX(-2px)}40%{transform:translateX(2px)}60%{transform:translateX(-1px)}80%{transform:translateX(1px)}}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./textalternativeform.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-text-alternative-form{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-text-alternative-form .ck-labeled-field-view{display:inline-block}.ck.ck-text-alternative-form .ck-label{display:none}@media screen and (max-width:600px){.ck.ck-text-alternative-form{flex-wrap:wrap}.ck.ck-text-alternative-form .ck-labeled-field-view{flex-basis:100%}.ck.ck-text-alternative-form .ck-button{flex-basis:50%}}\"","module.exports = \".ck-vertical-form .ck-button:after{content:\\\"\\\";width:0;position:absolute;right:-1px;top:var(--ck-spacing-small);bottom:var(--ck-spacing-small);z-index:1}@media screen and (max-width:600px){.ck.ck-responsive-form .ck-button:after{content:\\\"\\\";width:0;position:absolute;right:-1px;top:var(--ck-spacing-small);bottom:var(--ck-spacing-small);z-index:1}}.ck-vertical-form>.ck-button:nth-last-child(2):after{border-right:1px solid var(--ck-color-base-border)}.ck.ck-responsive-form{padding:var(--ck-spacing-large)}.ck.ck-responsive-form:focus{outline:none}[dir=ltr] .ck.ck-responsive-form>:not(:first-child),[dir=rtl] .ck.ck-responsive-form>:not(:last-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-responsive-form{padding:0;width:calc(var(--ck-input-text-width)*0.8)}.ck.ck-responsive-form .ck-labeled-field-view{margin:var(--ck-spacing-large) var(--ck-spacing-large) 0}.ck.ck-responsive-form .ck-labeled-field-view .ck-input-text{min-width:0;width:100%}.ck.ck-responsive-form .ck-labeled-field-view .ck-labeled-field-view__error{white-space:normal}.ck.ck-responsive-form>.ck-button:last-child,.ck.ck-responsive-form>.ck-button:nth-last-child(2){padding:var(--ck-spacing-standard);margin-top:var(--ck-spacing-large);border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border)}[dir=ltr] .ck.ck-responsive-form>.ck-button:last-child,[dir=ltr] .ck.ck-responsive-form>.ck-button:nth-last-child(2),[dir=rtl] .ck.ck-responsive-form>.ck-button:last-child,[dir=rtl] .ck.ck-responsive-form>.ck-button:nth-last-child(2){margin-left:0}.ck.ck-responsive-form>.ck-button:nth-last-child(2):after,[dir=rtl] .ck.ck-responsive-form>.ck-button:last-child:last-of-type,[dir=rtl] .ck.ck-responsive-form>.ck-button:nth-last-child(2):last-of-type{border-right:1px solid var(--ck-color-base-border)}}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./image.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck-content .image{display:table;clear:both;text-align:center;margin:1em auto}.ck-content .image img{display:block;margin:0 auto;max-width:100%;min-width:50px}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./imagecaption.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck-content .image>figcaption{display:table-caption;caption-side:bottom;word-break:break-word;color:#333;background-color:#f7f7f7;padding:.6em;font-size:.75em;outline-offset:-1px}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./imagestyle.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-image-style-spacing:1.5em}.ck-content .image-style-side{float:right;margin-left:var(--ck-image-style-spacing);max-width:50%}.ck-content .image-style-align-left{float:left;margin-right:var(--ck-image-style-spacing)}.ck-content .image-style-align-center{margin-left:auto;margin-right:auto}.ck-content .image-style-align-right{float:right;margin-left:var(--ck-image-style-spacing)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./link.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck .ck-link_selected{background:var(--ck-color-link-selected-background)}.ck .ck-fake-link-selection{background:var(--ck-color-link-fake-selection)}.ck .ck-fake-link-selection_collapsed{height:100%;border-right:1px solid var(--ck-color-base-text);margin-right:-1px;outline:1px solid hsla(0,0%,100%,.5)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./linkform.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-link-form{display:flex}.ck.ck-link-form .ck-label{display:none}@media screen and (max-width:600px){.ck.ck-link-form{flex-wrap:wrap}.ck.ck-link-form .ck-labeled-field-view{flex-basis:100%}.ck.ck-link-form .ck-button{flex-basis:50%}}.ck.ck-link-form_layout-vertical{display:block}.ck.ck-link-form_layout-vertical .ck-button.ck-button-cancel,.ck.ck-link-form_layout-vertical .ck-button.ck-button-save{margin-top:var(--ck-spacing-medium)}.ck.ck-link-form_layout-vertical{padding:0;min-width:var(--ck-input-text-width)}.ck.ck-link-form_layout-vertical .ck-labeled-field-view{margin:var(--ck-spacing-large) var(--ck-spacing-large) var(--ck-spacing-small)}.ck.ck-link-form_layout-vertical .ck-labeled-field-view .ck-input-text{min-width:0;width:100%}.ck.ck-link-form_layout-vertical .ck-button{padding:var(--ck-spacing-standard);margin:0;border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border);width:50%}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button,[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button:last-of-type{border-right:1px solid var(--ck-color-base-border)}.ck.ck-link-form_layout-vertical .ck.ck-list{margin:var(--ck-spacing-standard) var(--ck-spacing-large)}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton{border:0;padding:0;width:100%}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton:hover{background:none}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./linkactions.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-link-actions{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-link-actions .ck-link-actions__preview{display:inline-block}.ck.ck-link-actions .ck-link-actions__preview .ck-button__label{overflow:hidden}@media screen and (max-width:600px){.ck.ck-link-actions{flex-wrap:wrap}.ck.ck-link-actions .ck-link-actions__preview{flex-basis:100%}.ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){flex-basis:50%}}.ck.ck-link-actions .ck-button.ck-link-actions__preview{padding-left:0;padding-right:0}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label{padding:0 var(--ck-spacing-medium);color:var(--ck-color-link-default);text-overflow:ellipsis;cursor:pointer;max-width:var(--ck-input-text-width);min-width:3em;text-align:center}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label:hover{text-decoration:underline}.ck.ck-link-actions .ck-button.ck-link-actions__preview,.ck.ck-link-actions .ck-button.ck-link-actions__preview:active,.ck.ck-link-actions .ck-button.ck-link-actions__preview:focus,.ck.ck-link-actions .ck-button.ck-link-actions__preview:hover{background:none}.ck.ck-link-actions .ck-button.ck-link-actions__preview:active{box-shadow:none}.ck.ck-link-actions .ck-button.ck-link-actions__preview:focus .ck-button__label{text-decoration:underline}[dir=ltr] .ck.ck-link-actions .ck-button:not(:first-child),[dir=rtl] .ck.ck-link-actions .ck-button:not(:last-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-link-actions .ck-button.ck-link-actions__preview{margin:var(--ck-spacing-standard) var(--ck-spacing-standard) 0}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label{min-width:0;max-width:100%}[dir=ltr] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview),[dir=rtl] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){margin-left:0}}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./tableediting.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-color-table-focused-cell-background:rgba(158,207,250,0.3)}.ck-widget.table td.ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck-widget.table td.ck-editor__nested-editable:focus,.ck-widget.table th.ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck-widget.table th.ck-editor__nested-editable:focus{background:var(--ck-color-table-focused-cell-background);border-style:none;outline:1px solid var(--ck-color-focus-border);outline-offset:-1px}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./splitbutton.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-splitbutton{font-size:inherit}.ck.ck-splitbutton .ck-splitbutton__action:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button .ck-tooltip{display:none}:root{--ck-color-split-button-hover-background:#ebebeb;--ck-color-split-button-hover-border:#b3b3b3}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__action{border-top-right-radius:unset;border-bottom-right-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__action{border-top-left-radius:unset;border-bottom-left-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow{min-width:unset}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-radius:0}.ck-rounded-corners [dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow,[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:unset;border-bottom-left-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-top-right-radius:unset;border-bottom-right-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow svg{width:var(--ck-dropdown-arrow-size)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover),.ck.ck-splitbutton:hover>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover){background:var(--ck-color-split-button-hover-background)}[dir=ltr] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled),[dir=ltr] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled){border-left-color:var(--ck-color-split-button-hover-border)}[dir=rtl] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled),[dir=rtl] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled){border-right-color:var(--ck-color-split-button-hover-border)}.ck.ck-splitbutton.ck-splitbutton_open{border-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__action{border-bottom-left-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__arrow{border-bottom-right-radius:0}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./inserttable.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck .ck-insert-table-dropdown__grid{display:flex;flex-direction:row;flex-wrap:wrap}:root{--ck-insert-table-dropdown-padding:10px;--ck-insert-table-dropdown-box-height:11px;--ck-insert-table-dropdown-box-width:12px;--ck-insert-table-dropdown-box-margin:1px}.ck .ck-insert-table-dropdown__grid{width:calc(var(--ck-insert-table-dropdown-box-width)*10 + var(--ck-insert-table-dropdown-box-margin)*20 + var(--ck-insert-table-dropdown-padding)*2);padding:var(--ck-insert-table-dropdown-padding) var(--ck-insert-table-dropdown-padding) 0}.ck .ck-insert-table-dropdown__label{text-align:center}.ck .ck-insert-table-dropdown-grid-box{width:var(--ck-insert-table-dropdown-box-width);height:var(--ck-insert-table-dropdown-box-height);margin:var(--ck-insert-table-dropdown-box-margin);border:1px solid var(--ck-color-base-border);border-radius:1px}.ck .ck-insert-table-dropdown-grid-box.ck-on{border-color:var(--ck-color-focus-border);background:var(--ck-color-focus-outer-shadow)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./tableselection.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-table-selected-cell-background:rgba(158,207,250,0.3)}.ck.ck-editor__editable .table table td.ck-editor__editable_selected,.ck.ck-editor__editable .table table th.ck-editor__editable_selected{position:relative;caret-color:transparent;outline:unset;box-shadow:unset}.ck.ck-editor__editable .table table td.ck-editor__editable_selected:after,.ck.ck-editor__editable .table table th.ck-editor__editable_selected:after{content:\\\"\\\";pointer-events:none;background-color:var(--ck-table-selected-cell-background);position:absolute;top:0;left:0;right:0;bottom:0}.ck.ck-editor__editable .table table td.ck-editor__editable_selected ::selection,.ck.ck-editor__editable .table table td.ck-editor__editable_selected:focus,.ck.ck-editor__editable .table table th.ck-editor__editable_selected ::selection,.ck.ck-editor__editable .table table th.ck-editor__editable_selected:focus{background-color:transparent}.ck.ck-editor__editable .table table td.ck-editor__editable_selected .ck-widget_selected,.ck.ck-editor__editable .table table th.ck-editor__editable_selected .ck-widget_selected{outline:unset}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./table.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck-content .table{margin:1em auto;display:table}.ck-content .table table{border-collapse:collapse;border-spacing:0;width:100%;height:100%;border:1px double #b3b3b3}.ck-content .table table td,.ck-content .table table th{min-width:2em;padding:.4em;border:1px solid #bfbfbf}.ck-content .table table th{font-weight:700;background:hsla(0,0%,0%,5%)}.ck-content[dir=rtl] .table th{text-align:right}.ck-content[dir=ltr] .table th{text-align:left}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./colorgrid.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-color-grid{display:grid}:root{--ck-color-grid-tile-size:24px;--ck-color-color-grid-check-icon:#000}.ck.ck-color-grid{grid-gap:5px;padding:8px}.ck.ck-color-grid__tile{width:var(--ck-color-grid-tile-size);height:var(--ck-color-grid-tile-size);min-width:var(--ck-color-grid-tile-size);min-height:var(--ck-color-grid-tile-size);padding:0;transition:box-shadow .2s ease;border:0}.ck.ck-color-grid__tile.ck-disabled{cursor:unset;transition:unset}.ck.ck-color-grid__tile.ck-color-table__color-tile_bordered{box-shadow:0 0 0 1px var(--ck-color-base-border)}.ck.ck-color-grid__tile .ck.ck-icon{display:none;color:var(--ck-color-color-grid-check-icon)}.ck.ck-color-grid__tile.ck-on{box-shadow:inset 0 0 0 1px var(--ck-color-base-background),0 0 0 2px var(--ck-color-base-text)}.ck.ck-color-grid__tile.ck-on .ck.ck-icon{display:block}.ck.ck-color-grid__tile.ck-on,.ck.ck-color-grid__tile:focus:not(.ck-disabled),.ck.ck-color-grid__tile:hover:not(.ck-disabled){border:0}.ck.ck-color-grid__tile:focus:not(.ck-disabled),.ck.ck-color-grid__tile:hover:not(.ck-disabled){box-shadow:inset 0 0 0 1px var(--ck-color-base-background),0 0 0 2px var(--ck-color-focus-border)}.ck.ck-color-grid__label{padding:0 var(--ck-spacing-standard)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./colorinput.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-input-color{width:100%;display:flex;flex-direction:row-reverse}.ck.ck-input-color>input.ck.ck-input-text{min-width:auto;flex-grow:1}.ck.ck-input-color>div.ck.ck-dropdown{min-width:auto}.ck.ck-input-color>div.ck.ck-dropdown>.ck-input-color__button .ck-dropdown__arrow{display:none}.ck.ck-input-color .ck.ck-input-color__button .ck.ck-input-color__button__preview{position:relative;overflow:hidden}.ck.ck-input-color .ck.ck-input-color__button .ck.ck-input-color__button__preview>.ck.ck-input-color__button__preview__no-color-indicator{position:absolute;display:block}[dir=ltr] .ck.ck-input-color>.ck.ck-input-text{border-top-right-radius:0;border-bottom-right-radius:0}[dir=rtl] .ck.ck-input-color>.ck.ck-input-text{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{padding:0}[dir=ltr] .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{border-left-width:0;border-top-left-radius:0;border-bottom-left-radius:0}[dir=rtl] .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{border-right-width:0;border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button.ck-disabled{background:var(--ck-color-input-disabled-background)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview{border-radius:0}.ck-rounded-corners .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview,.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview{width:20px;height:20px;border:1px solid var(--ck-color-input-border)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview>.ck.ck-input-color__button__preview__no-color-indicator{top:-30%;left:50%;height:150%;width:8%;background:red;border-radius:2px;transform:rotate(45deg);transform-origin:50%}.ck.ck-input-color .ck.ck-input-color__remove-color{width:100%;border-bottom:1px solid var(--ck-color-input-border);padding:calc(var(--ck-spacing-standard)/2) var(--ck-spacing-standard);border-bottom-left-radius:0;border-bottom-right-radius:0}[dir=ltr] .ck.ck-input-color .ck.ck-input-color__remove-color{border-top-right-radius:0}[dir=rtl] .ck.ck-input-color .ck.ck-input-color__remove-color{border-top-left-radius:0}.ck.ck-input-color .ck.ck-input-color__remove-color .ck.ck-icon{margin-right:var(--ck-spacing-standard)}[dir=rtl] .ck.ck-input-color .ck.ck-input-color__remove-color .ck.ck-icon{margin-right:0;margin-left:var(--ck-spacing-standard)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./formrow.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-form__row{display:flex;flex-direction:row;flex-wrap:nowrap;justify-content:space-between}.ck.ck-form__row>:not(.ck-label){flex-grow:1}.ck.ck-form__row.ck-table-form__action-row .ck-button-cancel,.ck.ck-form__row.ck-table-form__action-row .ck-button-save{justify-content:center}.ck.ck-form__row{padding:var(--ck-spacing-standard) var(--ck-spacing-large) 0}[dir=ltr] .ck.ck-form__row>:not(.ck-label)+*{margin-left:var(--ck-spacing-large)}[dir=rtl] .ck.ck-form__row>:not(.ck-label)+*{margin-right:var(--ck-spacing-large)}.ck.ck-form__row>.ck-label{width:100%;min-width:100%}.ck.ck-form__row.ck-table-form__action-row{margin-top:var(--ck-spacing-large)}.ck.ck-form__row.ck-table-form__action-row .ck-button .ck-button__label{color:var(--ck-color-text)}\"","var api = require(\"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../../../postcss-loader/src/index.js??ref--5-1!./formheader.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-form__header{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:space-between}:root{--ck-form-header-height:38px}.ck.ck-form__header{padding:var(--ck-spacing-small) var(--ck-spacing-large);height:var(--ck-form-header-height);line-height:var(--ck-form-header-height);border-bottom:1px solid var(--ck-color-base-border)}.ck.ck-form__header .ck-form__header__label{font-weight:700}\"","module.exports = \".ck.ck-form{padding:0 0 var(--ck-spacing-large)}.ck.ck-form:focus{outline:none}.ck.ck-form .ck.ck-input-text{min-width:100%;width:0}.ck.ck-form .ck.ck-dropdown{min-width:100%}.ck.ck-form .ck.ck-dropdown .ck-dropdown__button:not(:focus){border:1px solid var(--ck-color-base-border)}.ck.ck-form .ck.ck-dropdown .ck-dropdown__button .ck-button__label{width:100%}\"","module.exports = \".ck.ck-table-form .ck-form__row.ck-table-form__background-row,.ck.ck-table-form .ck-form__row.ck-table-form__border-row{flex-wrap:wrap}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row{flex-wrap:wrap;align-items:center}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-labeled-field-view{display:flex;flex-direction:column-reverse;align-items:center}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-labeled-field-view .ck.ck-dropdown,.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-table-form__dimension-operator{flex-grow:0}.ck.ck-table-form .ck.ck-labeled-field-view{position:relative}.ck.ck-table-form .ck.ck-labeled-field-view .ck.ck-labeled-field-view__status{position:absolute;left:50%;bottom:calc(var(--ck-table-properties-error-arrow-size)*-1);transform:translate(-50%,100%);z-index:1}.ck.ck-table-form .ck.ck-labeled-field-view .ck.ck-labeled-field-view__status:after{content:\\\"\\\";position:absolute;top:calc(var(--ck-table-properties-error-arrow-size)*-1);left:50%;transform:translateX(-50%)}:root{--ck-table-properties-error-arrow-size:6px;--ck-table-properties-min-error-width:150px}.ck.ck-table-form .ck-form__row.ck-table-form__border-row .ck-labeled-field-view>.ck-label{font-size:var(--ck-font-size-tiny);text-align:center}.ck.ck-table-form .ck-form__row.ck-table-form__border-row .ck-table-form__border-style,.ck.ck-table-form .ck-form__row.ck-table-form__border-row .ck-table-form__border-width{width:80px;min-width:80px;max-width:80px}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row{padding:0}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-table-form__dimensions-row__height,.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-table-form__dimensions-row__width{margin:0}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-table-form__dimension-operator{align-self:flex-end;display:inline-block;height:var(--ck-ui-component-min-height);line-height:var(--ck-ui-component-min-height);margin:0 var(--ck-spacing-small)}.ck.ck-table-form .ck.ck-labeled-field-view{padding-top:var(--ck-spacing-standard)}.ck.ck-table-form .ck.ck-labeled-field-view .ck.ck-labeled-field-view__status{border-radius:0}.ck-rounded-corners .ck.ck-table-form .ck.ck-labeled-field-view .ck.ck-labeled-field-view__status,.ck.ck-table-form .ck.ck-labeled-field-view .ck.ck-labeled-field-view__status.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-table-form .ck.ck-labeled-field-view .ck.ck-labeled-field-view__status{background:var(--ck-color-base-error);color:var(--ck-color-base-background);padding:var(--ck-spacing-small) var(--ck-spacing-medium);min-width:var(--ck-table-properties-min-error-width);text-align:center}.ck.ck-table-form .ck.ck-labeled-field-view .ck.ck-labeled-field-view__status:after{border-left:var(--ck-table-properties-error-arrow-size) solid transparent;border-bottom:var(--ck-table-properties-error-arrow-size) solid var(--ck-color-base-error);border-right:var(--ck-table-properties-error-arrow-size) solid transparent;border-top:0 solid transparent}.ck.ck-table-form .ck.ck-labeled-field-view .ck.ck-labeled-field-view__status{animation:ck-table-form-labeled-view-status-appear .15s ease both}.ck.ck-table-form .ck.ck-labeled-field-view .ck-input.ck-error:not(:focus)+.ck.ck-labeled-field-view__status{display:none}@keyframes ck-table-form-labeled-view-status-appear{0%{opacity:0}to{opacity:1}}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./tableproperties.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row{flex-wrap:wrap;flex-basis:0;align-content:baseline}.ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row .ck.ck-toolbar .ck-toolbar__items{flex-wrap:nowrap}.ck.ck-table-properties-form{width:320px}.ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row{align-self:flex-end;padding:0}.ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row .ck.ck-toolbar{background:none;margin-top:var(--ck-spacing-standard)}.ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row .ck.ck-toolbar .ck-toolbar__items>*{width:40px}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./tablecellproperties.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row{flex-wrap:wrap}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row .ck.ck-toolbar:first-of-type{flex-grow:0.57}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row .ck.ck-toolbar:last-of-type{flex-grow:0.43}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row .ck.ck-toolbar .ck-button{flex-grow:1}.ck.ck-table-cell-properties-form{width:320px}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__padding-row{align-self:flex-end;padding:0;width:25%}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row .ck.ck-toolbar{background:none;margin-top:var(--ck-spacing-standard)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./todolist.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-todo-list-checkmark-size:16px}.ck-content .todo-list{list-style:none}.ck-content .todo-list li{margin-bottom:5px}.ck-content .todo-list li .todo-list{margin-top:5px}.ck-content .todo-list .todo-list__label>input{-webkit-appearance:none;display:inline-block;position:relative;width:var(--ck-todo-list-checkmark-size);height:var(--ck-todo-list-checkmark-size);vertical-align:middle;border:0;left:-25px;margin-right:-15px;right:0;margin-left:0}.ck-content .todo-list .todo-list__label>input:before{display:block;position:absolute;box-sizing:border-box;content:\\\"\\\";width:100%;height:100%;border:1px solid #333;border-radius:2px;transition:box-shadow .25s ease-in-out,background .25s ease-in-out,border .25s ease-in-out}.ck-content .todo-list .todo-list__label>input:after{display:block;position:absolute;box-sizing:content-box;pointer-events:none;content:\\\"\\\";left:calc(var(--ck-todo-list-checkmark-size)/3);top:calc(var(--ck-todo-list-checkmark-size)/5.3);width:calc(var(--ck-todo-list-checkmark-size)/5.3);height:calc(var(--ck-todo-list-checkmark-size)/2.6);border-left:0 solid transparent;border-bottom:calc(var(--ck-todo-list-checkmark-size)/8) solid transparent;border-right:calc(var(--ck-todo-list-checkmark-size)/8) solid transparent;border-top:0 solid transparent;transform:rotate(45deg)}.ck-content .todo-list .todo-list__label>input[checked]:before{background:#26ab33;border-color:#26ab33}.ck-content .todo-list .todo-list__label>input[checked]:after{border-color:#fff}.ck-content .todo-list .todo-list__label .todo-list__label__description{vertical-align:middle}[dir=rtl] .todo-list .todo-list__label>input{left:0;margin-right:0;right:-25px;margin-left:-15px}.ck-editor__editable .todo-list .todo-list__label>input{cursor:pointer}.ck-editor__editable .todo-list .todo-list__label>input:hover:before{box-shadow:0 0 0 5px rgba(0,0,0,.1)}\"","'use strict';\n\n\nmodule.exports = require('./lib/');\n","// Main parser class\n\n'use strict';\n\n\nvar utils        = require('./common/utils');\nvar helpers      = require('./helpers');\nvar Renderer     = require('./renderer');\nvar ParserCore   = require('./parser_core');\nvar ParserBlock  = require('./parser_block');\nvar ParserInline = require('./parser_inline');\nvar LinkifyIt    = require('linkify-it');\nvar mdurl        = require('mdurl');\nvar punycode     = require('punycode');\n\n\nvar config = {\n  'default': require('./presets/default'),\n  zero: require('./presets/zero'),\n  commonmark: require('./presets/commonmark')\n};\n\n////////////////////////////////////////////////////////////////////////////////\n//\n// This validator can prohibit more than really needed to prevent XSS. It's a\n// tradeoff to keep code simple and to be secure by default.\n//\n// If you need different setup - override validator method as you wish. Or\n// replace it with dummy function and use external sanitizer.\n//\n\nvar BAD_PROTO_RE = /^(vbscript|javascript|file|data):/;\nvar GOOD_DATA_RE = /^data:image\\/(gif|png|jpeg|webp);/;\n\nfunction validateLink(url) {\n  // url should be normalized at this point, and existing entities are decoded\n  var str = url.trim().toLowerCase();\n\n  return BAD_PROTO_RE.test(str) ? (GOOD_DATA_RE.test(str) ? true : false) : true;\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\n\nvar RECODE_HOSTNAME_FOR = [ 'http:', 'https:', 'mailto:' ];\n\nfunction normalizeLink(url) {\n  var parsed = mdurl.parse(url, true);\n\n  if (parsed.hostname) {\n    // Encode hostnames in urls like:\n    // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`\n    //\n    // We don't encode unknown schemas, because it's likely that we encode\n    // something we shouldn't (e.g. `skype:name` treated as `skype:host`)\n    //\n    if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {\n      try {\n        parsed.hostname = punycode.toASCII(parsed.hostname);\n      } catch (er) { /**/ }\n    }\n  }\n\n  return mdurl.encode(mdurl.format(parsed));\n}\n\nfunction normalizeLinkText(url) {\n  var parsed = mdurl.parse(url, true);\n\n  if (parsed.hostname) {\n    // Encode hostnames in urls like:\n    // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`\n    //\n    // We don't encode unknown schemas, because it's likely that we encode\n    // something we shouldn't (e.g. `skype:name` treated as `skype:host`)\n    //\n    if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {\n      try {\n        parsed.hostname = punycode.toUnicode(parsed.hostname);\n      } catch (er) { /**/ }\n    }\n  }\n\n  return mdurl.decode(mdurl.format(parsed));\n}\n\n\n/**\n * class MarkdownIt\n *\n * Main parser/renderer class.\n *\n * ##### Usage\n *\n * ```javascript\n * // node.js, \"classic\" way:\n * var MarkdownIt = require('markdown-it'),\n *     md = new MarkdownIt();\n * var result = md.render('# markdown-it rulezz!');\n *\n * // node.js, the same, but with sugar:\n * var md = require('markdown-it')();\n * var result = md.render('# markdown-it rulezz!');\n *\n * // browser without AMD, added to \"window\" on script load\n * // Note, there are no dash.\n * var md = window.markdownit();\n * var result = md.render('# markdown-it rulezz!');\n * ```\n *\n * Single line rendering, without paragraph wrap:\n *\n * ```javascript\n * var md = require('markdown-it')();\n * var result = md.renderInline('__markdown-it__ rulezz!');\n * ```\n **/\n\n/**\n * new MarkdownIt([presetName, options])\n * - presetName (String): optional, `commonmark` / `zero`\n * - options (Object)\n *\n * Creates parser instanse with given config. Can be called without `new`.\n *\n * ##### presetName\n *\n * MarkdownIt provides named presets as a convenience to quickly\n * enable/disable active syntax rules and options for common use cases.\n *\n * - [\"commonmark\"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/commonmark.js) -\n *   configures parser to strict [CommonMark](http://commonmark.org/) mode.\n * - [default](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/default.js) -\n *   similar to GFM, used when no preset name given. Enables all available rules,\n *   but still without html, typographer & autolinker.\n * - [\"zero\"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/zero.js) -\n *   all rules disabled. Useful to quickly setup your config via `.enable()`.\n *   For example, when you need only `bold` and `italic` markup and nothing else.\n *\n * ##### options:\n *\n * - __html__ - `false`. Set `true` to enable HTML tags in source. Be careful!\n *   That's not safe! You may need external sanitizer to protect output from XSS.\n *   It's better to extend features via plugins, instead of enabling HTML.\n * - __xhtmlOut__ - `false`. Set `true` to add '/' when closing single tags\n *   (`<br />`). This is needed only for full CommonMark compatibility. In real\n *   world you will need HTML output.\n * - __breaks__ - `false`. Set `true` to convert `\\n` in paragraphs into `<br>`.\n * - __langPrefix__ - `language-`. CSS language class prefix for fenced blocks.\n *   Can be useful for external highlighters.\n * - __linkify__ - `false`. Set `true` to autoconvert URL-like text to links.\n * - __typographer__  - `false`. Set `true` to enable [some language-neutral\n *   replacement](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/replacements.js) +\n *   quotes beautification (smartquotes).\n * - __quotes__ - `“”‘’`, String or Array. Double + single quotes replacement\n *   pairs, when typographer enabled and smartquotes on. For example, you can\n *   use `'«»„“'` for Russian, `'„“‚‘'` for German, and\n *   `['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›']` for French (including nbsp).\n * - __highlight__ - `null`. Highlighter function for fenced code blocks.\n *   Highlighter `function (str, lang)` should return escaped HTML. It can also\n *   return empty string if the source was not changed and should be escaped\n *   externaly. If result starts with <pre... internal wrapper is skipped.\n *\n * ##### Example\n *\n * ```javascript\n * // commonmark mode\n * var md = require('markdown-it')('commonmark');\n *\n * // default mode\n * var md = require('markdown-it')();\n *\n * // enable everything\n * var md = require('markdown-it')({\n *   html: true,\n *   linkify: true,\n *   typographer: true\n * });\n * ```\n *\n * ##### Syntax highlighting\n *\n * ```js\n * var hljs = require('highlight.js') // https://highlightjs.org/\n *\n * var md = require('markdown-it')({\n *   highlight: function (str, lang) {\n *     if (lang && hljs.getLanguage(lang)) {\n *       try {\n *         return hljs.highlight(lang, str, true).value;\n *       } catch (__) {}\n *     }\n *\n *     return ''; // use external default escaping\n *   }\n * });\n * ```\n *\n * Or with full wrapper override (if you need assign class to `<pre>`):\n *\n * ```javascript\n * var hljs = require('highlight.js') // https://highlightjs.org/\n *\n * // Actual default values\n * var md = require('markdown-it')({\n *   highlight: function (str, lang) {\n *     if (lang && hljs.getLanguage(lang)) {\n *       try {\n *         return '<pre class=\"hljs\"><code>' +\n *                hljs.highlight(lang, str, true).value +\n *                '</code></pre>';\n *       } catch (__) {}\n *     }\n *\n *     return '<pre class=\"hljs\"><code>' + md.utils.escapeHtml(str) + '</code></pre>';\n *   }\n * });\n * ```\n *\n **/\nfunction MarkdownIt(presetName, options) {\n  if (!(this instanceof MarkdownIt)) {\n    return new MarkdownIt(presetName, options);\n  }\n\n  if (!options) {\n    if (!utils.isString(presetName)) {\n      options = presetName || {};\n      presetName = 'default';\n    }\n  }\n\n  /**\n   * MarkdownIt#inline -> ParserInline\n   *\n   * Instance of [[ParserInline]]. You may need it to add new rules when\n   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n   * [[MarkdownIt.enable]].\n   **/\n  this.inline = new ParserInline();\n\n  /**\n   * MarkdownIt#block -> ParserBlock\n   *\n   * Instance of [[ParserBlock]]. You may need it to add new rules when\n   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n   * [[MarkdownIt.enable]].\n   **/\n  this.block = new ParserBlock();\n\n  /**\n   * MarkdownIt#core -> Core\n   *\n   * Instance of [[Core]] chain executor. You may need it to add new rules when\n   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n   * [[MarkdownIt.enable]].\n   **/\n  this.core = new ParserCore();\n\n  /**\n   * MarkdownIt#renderer -> Renderer\n   *\n   * Instance of [[Renderer]]. Use it to modify output look. Or to add rendering\n   * rules for new token types, generated by plugins.\n   *\n   * ##### Example\n   *\n   * ```javascript\n   * var md = require('markdown-it')();\n   *\n   * function myToken(tokens, idx, options, env, self) {\n   *   //...\n   *   return result;\n   * };\n   *\n   * md.renderer.rules['my_token'] = myToken\n   * ```\n   *\n   * See [[Renderer]] docs and [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js).\n   **/\n  this.renderer = new Renderer();\n\n  /**\n   * MarkdownIt#linkify -> LinkifyIt\n   *\n   * [linkify-it](https://github.com/markdown-it/linkify-it) instance.\n   * Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/linkify.js)\n   * rule.\n   **/\n  this.linkify = new LinkifyIt();\n\n  /**\n   * MarkdownIt#validateLink(url) -> Boolean\n   *\n   * Link validation function. CommonMark allows too much in links. By default\n   * we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas\n   * except some embedded image types.\n   *\n   * You can change this behaviour:\n   *\n   * ```javascript\n   * var md = require('markdown-it')();\n   * // enable everything\n   * md.validateLink = function () { return true; }\n   * ```\n   **/\n  this.validateLink = validateLink;\n\n  /**\n   * MarkdownIt#normalizeLink(url) -> String\n   *\n   * Function used to encode link url to a machine-readable format,\n   * which includes url-encoding, punycode, etc.\n   **/\n  this.normalizeLink = normalizeLink;\n\n  /**\n   * MarkdownIt#normalizeLinkText(url) -> String\n   *\n   * Function used to decode link url to a human-readable format`\n   **/\n  this.normalizeLinkText = normalizeLinkText;\n\n\n  // Expose utils & helpers for easy acces from plugins\n\n  /**\n   * MarkdownIt#utils -> utils\n   *\n   * Assorted utility functions, useful to write plugins. See details\n   * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.js).\n   **/\n  this.utils = utils;\n\n  /**\n   * MarkdownIt#helpers -> helpers\n   *\n   * Link components parser functions, useful to write plugins. See details\n   * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/helpers).\n   **/\n  this.helpers = utils.assign({}, helpers);\n\n\n  this.options = {};\n  this.configure(presetName);\n\n  if (options) { this.set(options); }\n}\n\n\n/** chainable\n * MarkdownIt.set(options)\n *\n * Set parser options (in the same format as in constructor). Probably, you\n * will never need it, but you can change options after constructor call.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n *             .set({ html: true, breaks: true })\n *             .set({ typographer, true });\n * ```\n *\n * __Note:__ To achieve the best possible performance, don't modify a\n * `markdown-it` instance options on the fly. If you need multiple configurations\n * it's best to create multiple instances and initialize each with separate\n * config.\n **/\nMarkdownIt.prototype.set = function (options) {\n  utils.assign(this.options, options);\n  return this;\n};\n\n\n/** chainable, internal\n * MarkdownIt.configure(presets)\n *\n * Batch load of all options and compenent settings. This is internal method,\n * and you probably will not need it. But if you will - see available presets\n * and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)\n *\n * We strongly recommend to use presets instead of direct config loads. That\n * will give better compatibility with next versions.\n **/\nMarkdownIt.prototype.configure = function (presets) {\n  var self = this, presetName;\n\n  if (utils.isString(presets)) {\n    presetName = presets;\n    presets = config[presetName];\n    if (!presets) { throw new Error('Wrong `markdown-it` preset \"' + presetName + '\", check name'); }\n  }\n\n  if (!presets) { throw new Error('Wrong `markdown-it` preset, can\\'t be empty'); }\n\n  if (presets.options) { self.set(presets.options); }\n\n  if (presets.components) {\n    Object.keys(presets.components).forEach(function (name) {\n      if (presets.components[name].rules) {\n        self[name].ruler.enableOnly(presets.components[name].rules);\n      }\n      if (presets.components[name].rules2) {\n        self[name].ruler2.enableOnly(presets.components[name].rules2);\n      }\n    });\n  }\n  return this;\n};\n\n\n/** chainable\n * MarkdownIt.enable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to enable\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable list or rules. It will automatically find appropriate components,\n * containing rules with given names. If rule not found, and `ignoreInvalid`\n * not set - throws exception.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n *             .enable(['sub', 'sup'])\n *             .disable('smartquotes');\n * ```\n **/\nMarkdownIt.prototype.enable = function (list, ignoreInvalid) {\n  var result = [];\n\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  [ 'core', 'block', 'inline' ].forEach(function (chain) {\n    result = result.concat(this[chain].ruler.enable(list, true));\n  }, this);\n\n  result = result.concat(this.inline.ruler2.enable(list, true));\n\n  var missed = list.filter(function (name) { return result.indexOf(name) < 0; });\n\n  if (missed.length && !ignoreInvalid) {\n    throw new Error('MarkdownIt. Failed to enable unknown rule(s): ' + missed);\n  }\n\n  return this;\n};\n\n\n/** chainable\n * MarkdownIt.disable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to disable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * The same as [[MarkdownIt.enable]], but turn specified rules off.\n **/\nMarkdownIt.prototype.disable = function (list, ignoreInvalid) {\n  var result = [];\n\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  [ 'core', 'block', 'inline' ].forEach(function (chain) {\n    result = result.concat(this[chain].ruler.disable(list, true));\n  }, this);\n\n  result = result.concat(this.inline.ruler2.disable(list, true));\n\n  var missed = list.filter(function (name) { return result.indexOf(name) < 0; });\n\n  if (missed.length && !ignoreInvalid) {\n    throw new Error('MarkdownIt. Failed to disable unknown rule(s): ' + missed);\n  }\n  return this;\n};\n\n\n/** chainable\n * MarkdownIt.use(plugin, params)\n *\n * Load specified plugin with given params into current parser instance.\n * It's just a sugar to call `plugin(md, params)` with curring.\n *\n * ##### Example\n *\n * ```javascript\n * var iterator = require('markdown-it-for-inline');\n * var md = require('markdown-it')()\n *             .use(iterator, 'foo_replace', 'text', function (tokens, idx) {\n *               tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar');\n *             });\n * ```\n **/\nMarkdownIt.prototype.use = function (plugin /*, params, ... */) {\n  var args = [ this ].concat(Array.prototype.slice.call(arguments, 1));\n  plugin.apply(plugin, args);\n  return this;\n};\n\n\n/** internal\n * MarkdownIt.parse(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Parse input string and return list of block tokens (special token type\n * \"inline\" will contain list of inline tokens). You should not call this\n * method directly, until you write custom renderer (for example, to produce\n * AST).\n *\n * `env` is used to pass data between \"distributed\" rules and return additional\n * metadata like reference info, needed for the renderer. It also can be used to\n * inject data in specific cases. Usually, you will be ok to pass `{}`,\n * and then pass updated object to renderer.\n **/\nMarkdownIt.prototype.parse = function (src, env) {\n  if (typeof src !== 'string') {\n    throw new Error('Input data should be a String');\n  }\n\n  var state = new this.core.State(src, this, env);\n\n  this.core.process(state);\n\n  return state.tokens;\n};\n\n\n/**\n * MarkdownIt.render(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Render markdown string into html. It does all magic for you :).\n *\n * `env` can be used to inject additional metadata (`{}` by default).\n * But you will not need it with high probability. See also comment\n * in [[MarkdownIt.parse]].\n **/\nMarkdownIt.prototype.render = function (src, env) {\n  env = env || {};\n\n  return this.renderer.render(this.parse(src, env), this.options, env);\n};\n\n\n/** internal\n * MarkdownIt.parseInline(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * The same as [[MarkdownIt.parse]] but skip all block rules. It returns the\n * block tokens list with the single `inline` element, containing parsed inline\n * tokens in `children` property. Also updates `env` object.\n **/\nMarkdownIt.prototype.parseInline = function (src, env) {\n  var state = new this.core.State(src, this, env);\n\n  state.inlineMode = true;\n  this.core.process(state);\n\n  return state.tokens;\n};\n\n\n/**\n * MarkdownIt.renderInline(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Similar to [[MarkdownIt.render]] but for single paragraph content. Result\n * will NOT be wrapped into `<p>` tags.\n **/\nMarkdownIt.prototype.renderInline = function (src, env) {\n  env = env || {};\n\n  return this.renderer.render(this.parseInline(src, env), this.options, env);\n};\n\n\nmodule.exports = MarkdownIt;\n","\n'use strict';\n\n\nvar encodeCache = {};\n\n\n// Create a lookup array where anything but characters in `chars` string\n// and alphanumeric chars is percent-encoded.\n//\nfunction getEncodeCache(exclude) {\n  var i, ch, cache = encodeCache[exclude];\n  if (cache) { return cache; }\n\n  cache = encodeCache[exclude] = [];\n\n  for (i = 0; i < 128; i++) {\n    ch = String.fromCharCode(i);\n\n    if (/^[0-9a-z]$/i.test(ch)) {\n      // always allow unencoded alphanumeric characters\n      cache.push(ch);\n    } else {\n      cache.push('%' + ('0' + i.toString(16).toUpperCase()).slice(-2));\n    }\n  }\n\n  for (i = 0; i < exclude.length; i++) {\n    cache[exclude.charCodeAt(i)] = exclude[i];\n  }\n\n  return cache;\n}\n\n\n// Encode unsafe characters with percent-encoding, skipping already\n// encoded sequences.\n//\n//  - string       - string to encode\n//  - exclude      - list of characters to ignore (in addition to a-zA-Z0-9)\n//  - keepEscaped  - don't encode '%' in a correct escape sequence (default: true)\n//\nfunction encode(string, exclude, keepEscaped) {\n  var i, l, code, nextCode, cache,\n      result = '';\n\n  if (typeof exclude !== 'string') {\n    // encode(string, keepEscaped)\n    keepEscaped  = exclude;\n    exclude = encode.defaultChars;\n  }\n\n  if (typeof keepEscaped === 'undefined') {\n    keepEscaped = true;\n  }\n\n  cache = getEncodeCache(exclude);\n\n  for (i = 0, l = string.length; i < l; i++) {\n    code = string.charCodeAt(i);\n\n    if (keepEscaped && code === 0x25 /* % */ && i + 2 < l) {\n      if (/^[0-9a-f]{2}$/i.test(string.slice(i + 1, i + 3))) {\n        result += string.slice(i, i + 3);\n        i += 2;\n        continue;\n      }\n    }\n\n    if (code < 128) {\n      result += cache[code];\n      continue;\n    }\n\n    if (code >= 0xD800 && code <= 0xDFFF) {\n      if (code >= 0xD800 && code <= 0xDBFF && i + 1 < l) {\n        nextCode = string.charCodeAt(i + 1);\n        if (nextCode >= 0xDC00 && nextCode <= 0xDFFF) {\n          result += encodeURIComponent(string[i] + string[i + 1]);\n          i++;\n          continue;\n        }\n      }\n      result += '%EF%BF%BD';\n      continue;\n    }\n\n    result += encodeURIComponent(string[i]);\n  }\n\n  return result;\n}\n\nencode.defaultChars   = \";/?:@&=+$,-_.!~*'()#\";\nencode.componentChars = \"-_.!~*'()\";\n\n\nmodule.exports = encode;\n","\n'use strict';\n\n\n/* eslint-disable no-bitwise */\n\nvar decodeCache = {};\n\nfunction getDecodeCache(exclude) {\n  var i, ch, cache = decodeCache[exclude];\n  if (cache) { return cache; }\n\n  cache = decodeCache[exclude] = [];\n\n  for (i = 0; i < 128; i++) {\n    ch = String.fromCharCode(i);\n    cache.push(ch);\n  }\n\n  for (i = 0; i < exclude.length; i++) {\n    ch = exclude.charCodeAt(i);\n    cache[ch] = '%' + ('0' + ch.toString(16).toUpperCase()).slice(-2);\n  }\n\n  return cache;\n}\n\n\n// Decode percent-encoded string.\n//\nfunction decode(string, exclude) {\n  var cache;\n\n  if (typeof exclude !== 'string') {\n    exclude = decode.defaultChars;\n  }\n\n  cache = getDecodeCache(exclude);\n\n  return string.replace(/(%[a-f0-9]{2})+/gi, function(seq) {\n    var i, l, b1, b2, b3, b4, chr,\n        result = '';\n\n    for (i = 0, l = seq.length; i < l; i += 3) {\n      b1 = parseInt(seq.slice(i + 1, i + 3), 16);\n\n      if (b1 < 0x80) {\n        result += cache[b1];\n        continue;\n      }\n\n      if ((b1 & 0xE0) === 0xC0 && (i + 3 < l)) {\n        // 110xxxxx 10xxxxxx\n        b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n\n        if ((b2 & 0xC0) === 0x80) {\n          chr = ((b1 << 6) & 0x7C0) | (b2 & 0x3F);\n\n          if (chr < 0x80) {\n            result += '\\ufffd\\ufffd';\n          } else {\n            result += String.fromCharCode(chr);\n          }\n\n          i += 3;\n          continue;\n        }\n      }\n\n      if ((b1 & 0xF0) === 0xE0 && (i + 6 < l)) {\n        // 1110xxxx 10xxxxxx 10xxxxxx\n        b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n        b3 = parseInt(seq.slice(i + 7, i + 9), 16);\n\n        if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80) {\n          chr = ((b1 << 12) & 0xF000) | ((b2 << 6) & 0xFC0) | (b3 & 0x3F);\n\n          if (chr < 0x800 || (chr >= 0xD800 && chr <= 0xDFFF)) {\n            result += '\\ufffd\\ufffd\\ufffd';\n          } else {\n            result += String.fromCharCode(chr);\n          }\n\n          i += 6;\n          continue;\n        }\n      }\n\n      if ((b1 & 0xF8) === 0xF0 && (i + 9 < l)) {\n        // 111110xx 10xxxxxx 10xxxxxx 10xxxxxx\n        b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n        b3 = parseInt(seq.slice(i + 7, i + 9), 16);\n        b4 = parseInt(seq.slice(i + 10, i + 12), 16);\n\n        if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80 && (b4 & 0xC0) === 0x80) {\n          chr = ((b1 << 18) & 0x1C0000) | ((b2 << 12) & 0x3F000) | ((b3 << 6) & 0xFC0) | (b4 & 0x3F);\n\n          if (chr < 0x10000 || chr > 0x10FFFF) {\n            result += '\\ufffd\\ufffd\\ufffd\\ufffd';\n          } else {\n            chr -= 0x10000;\n            result += String.fromCharCode(0xD800 + (chr >> 10), 0xDC00 + (chr & 0x3FF));\n          }\n\n          i += 9;\n          continue;\n        }\n      }\n\n      result += '\\ufffd';\n    }\n\n    return result;\n  });\n}\n\n\ndecode.defaultChars   = ';/?:@&=+$,#';\ndecode.componentChars = '';\n\n\nmodule.exports = decode;\n","\n'use strict';\n\n\nmodule.exports = function format(url) {\n  var result = '';\n\n  result += url.protocol || '';\n  result += url.slashes ? '//' : '';\n  result += url.auth ? url.auth + '@' : '';\n\n  if (url.hostname && url.hostname.indexOf(':') !== -1) {\n    // ipv6 address\n    result += '[' + url.hostname + ']';\n  } else {\n    result += url.hostname || '';\n  }\n\n  result += url.port ? ':' + url.port : '';\n  result += url.pathname || '';\n  result += url.search || '';\n  result += url.hash || '';\n\n  return result;\n};\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n'use strict';\n\n//\n// Changes from joyent/node:\n//\n// 1. No leading slash in paths,\n//    e.g. in `url.parse('http://foo?bar')` pathname is ``, not `/`\n//\n// 2. Backslashes are not replaced with slashes,\n//    so `http:\\\\example.org\\` is treated like a relative path\n//\n// 3. Trailing colon is treated like a part of the path,\n//    i.e. in `http://example.org:foo` pathname is `:foo`\n//\n// 4. Nothing is URL-encoded in the resulting object,\n//    (in joyent/node some chars in auth and paths are encoded)\n//\n// 5. `url.parse()` does not have `parseQueryString` argument\n//\n// 6. Removed extraneous result properties: `host`, `path`, `query`, etc.,\n//    which can be constructed using other parts of the url.\n//\n\n\nfunction Url() {\n  this.protocol = null;\n  this.slashes = null;\n  this.auth = null;\n  this.port = null;\n  this.hostname = null;\n  this.hash = null;\n  this.search = null;\n  this.pathname = null;\n}\n\n// Reference: RFC 3986, RFC 1808, RFC 2396\n\n// define these here so at least they only have to be\n// compiled once on the first module load.\nvar protocolPattern = /^([a-z0-9.+-]+:)/i,\n    portPattern = /:[0-9]*$/,\n\n    // Special case for a simple path URL\n    simplePathPattern = /^(\\/\\/?(?!\\/)[^\\?\\s]*)(\\?[^\\s]*)?$/,\n\n    // RFC 2396: characters reserved for delimiting URLs.\n    // We actually just auto-escape these.\n    delims = [ '<', '>', '\"', '`', ' ', '\\r', '\\n', '\\t' ],\n\n    // RFC 2396: characters not allowed for various reasons.\n    unwise = [ '{', '}', '|', '\\\\', '^', '`' ].concat(delims),\n\n    // Allowed by RFCs, but cause of XSS attacks.  Always escape these.\n    autoEscape = [ '\\'' ].concat(unwise),\n    // Characters that are never ever allowed in a hostname.\n    // Note that any invalid chars are also handled, but these\n    // are the ones that are *expected* to be seen, so we fast-path\n    // them.\n    nonHostChars = [ '%', '/', '?', ';', '#' ].concat(autoEscape),\n    hostEndingChars = [ '/', '?', '#' ],\n    hostnameMaxLen = 255,\n    hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/,\n    hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,\n    // protocols that can allow \"unsafe\" and \"unwise\" chars.\n    /* eslint-disable no-script-url */\n    // protocols that never have a hostname.\n    hostlessProtocol = {\n      'javascript': true,\n      'javascript:': true\n    },\n    // protocols that always contain a // bit.\n    slashedProtocol = {\n      'http': true,\n      'https': true,\n      'ftp': true,\n      'gopher': true,\n      'file': true,\n      'http:': true,\n      'https:': true,\n      'ftp:': true,\n      'gopher:': true,\n      'file:': true\n    };\n    /* eslint-enable no-script-url */\n\nfunction urlParse(url, slashesDenoteHost) {\n  if (url && url instanceof Url) { return url; }\n\n  var u = new Url();\n  u.parse(url, slashesDenoteHost);\n  return u;\n}\n\nUrl.prototype.parse = function(url, slashesDenoteHost) {\n  var i, l, lowerProto, hec, slashes,\n      rest = url;\n\n  // trim before proceeding.\n  // This is to support parse stuff like \"  http://foo.com  \\n\"\n  rest = rest.trim();\n\n  if (!slashesDenoteHost && url.split('#').length === 1) {\n    // Try fast path regexp\n    var simplePath = simplePathPattern.exec(rest);\n    if (simplePath) {\n      this.pathname = simplePath[1];\n      if (simplePath[2]) {\n        this.search = simplePath[2];\n      }\n      return this;\n    }\n  }\n\n  var proto = protocolPattern.exec(rest);\n  if (proto) {\n    proto = proto[0];\n    lowerProto = proto.toLowerCase();\n    this.protocol = proto;\n    rest = rest.substr(proto.length);\n  }\n\n  // figure out if it's got a host\n  // user@server is *always* interpreted as a hostname, and url\n  // resolution will treat //foo/bar as host=foo,path=bar because that's\n  // how the browser resolves relative URLs.\n  if (slashesDenoteHost || proto || rest.match(/^\\/\\/[^@\\/]+@[^@\\/]+/)) {\n    slashes = rest.substr(0, 2) === '//';\n    if (slashes && !(proto && hostlessProtocol[proto])) {\n      rest = rest.substr(2);\n      this.slashes = true;\n    }\n  }\n\n  if (!hostlessProtocol[proto] &&\n      (slashes || (proto && !slashedProtocol[proto]))) {\n\n    // there's a hostname.\n    // the first instance of /, ?, ;, or # ends the host.\n    //\n    // If there is an @ in the hostname, then non-host chars *are* allowed\n    // to the left of the last @ sign, unless some host-ending character\n    // comes *before* the @-sign.\n    // URLs are obnoxious.\n    //\n    // ex:\n    // http://a@b@c/ => user:a@b host:c\n    // http://a@b?@c => user:a host:c path:/?@c\n\n    // v0.12 TODO(isaacs): This is not quite how Chrome does things.\n    // Review our test case against browsers more comprehensively.\n\n    // find the first instance of any hostEndingChars\n    var hostEnd = -1;\n    for (i = 0; i < hostEndingChars.length; i++) {\n      hec = rest.indexOf(hostEndingChars[i]);\n      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {\n        hostEnd = hec;\n      }\n    }\n\n    // at this point, either we have an explicit point where the\n    // auth portion cannot go past, or the last @ char is the decider.\n    var auth, atSign;\n    if (hostEnd === -1) {\n      // atSign can be anywhere.\n      atSign = rest.lastIndexOf('@');\n    } else {\n      // atSign must be in auth portion.\n      // http://a@b/c@d => host:b auth:a path:/c@d\n      atSign = rest.lastIndexOf('@', hostEnd);\n    }\n\n    // Now we have a portion which is definitely the auth.\n    // Pull that off.\n    if (atSign !== -1) {\n      auth = rest.slice(0, atSign);\n      rest = rest.slice(atSign + 1);\n      this.auth = auth;\n    }\n\n    // the host is the remaining to the left of the first non-host char\n    hostEnd = -1;\n    for (i = 0; i < nonHostChars.length; i++) {\n      hec = rest.indexOf(nonHostChars[i]);\n      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {\n        hostEnd = hec;\n      }\n    }\n    // if we still have not hit it, then the entire thing is a host.\n    if (hostEnd === -1) {\n      hostEnd = rest.length;\n    }\n\n    if (rest[hostEnd - 1] === ':') { hostEnd--; }\n    var host = rest.slice(0, hostEnd);\n    rest = rest.slice(hostEnd);\n\n    // pull out port.\n    this.parseHost(host);\n\n    // we've indicated that there is a hostname,\n    // so even if it's empty, it has to be present.\n    this.hostname = this.hostname || '';\n\n    // if hostname begins with [ and ends with ]\n    // assume that it's an IPv6 address.\n    var ipv6Hostname = this.hostname[0] === '[' &&\n        this.hostname[this.hostname.length - 1] === ']';\n\n    // validate a little.\n    if (!ipv6Hostname) {\n      var hostparts = this.hostname.split(/\\./);\n      for (i = 0, l = hostparts.length; i < l; i++) {\n        var part = hostparts[i];\n        if (!part) { continue; }\n        if (!part.match(hostnamePartPattern)) {\n          var newpart = '';\n          for (var j = 0, k = part.length; j < k; j++) {\n            if (part.charCodeAt(j) > 127) {\n              // we replace non-ASCII char with a temporary placeholder\n              // we need this to make sure size of hostname is not\n              // broken by replacing non-ASCII by nothing\n              newpart += 'x';\n            } else {\n              newpart += part[j];\n            }\n          }\n          // we test again with ASCII char only\n          if (!newpart.match(hostnamePartPattern)) {\n            var validParts = hostparts.slice(0, i);\n            var notHost = hostparts.slice(i + 1);\n            var bit = part.match(hostnamePartStart);\n            if (bit) {\n              validParts.push(bit[1]);\n              notHost.unshift(bit[2]);\n            }\n            if (notHost.length) {\n              rest = notHost.join('.') + rest;\n            }\n            this.hostname = validParts.join('.');\n            break;\n          }\n        }\n      }\n    }\n\n    if (this.hostname.length > hostnameMaxLen) {\n      this.hostname = '';\n    }\n\n    // strip [ and ] from the hostname\n    // the host field still retains them, though\n    if (ipv6Hostname) {\n      this.hostname = this.hostname.substr(1, this.hostname.length - 2);\n    }\n  }\n\n  // chop off from the tail first.\n  var hash = rest.indexOf('#');\n  if (hash !== -1) {\n    // got a fragment string.\n    this.hash = rest.substr(hash);\n    rest = rest.slice(0, hash);\n  }\n  var qm = rest.indexOf('?');\n  if (qm !== -1) {\n    this.search = rest.substr(qm);\n    rest = rest.slice(0, qm);\n  }\n  if (rest) { this.pathname = rest; }\n  if (slashedProtocol[lowerProto] &&\n      this.hostname && !this.pathname) {\n    this.pathname = '';\n  }\n\n  return this;\n};\n\nUrl.prototype.parseHost = function(host) {\n  var port = portPattern.exec(host);\n  if (port) {\n    port = port[0];\n    if (port !== ':') {\n      this.port = port.substr(1);\n    }\n    host = host.substr(0, host.length - port.length);\n  }\n  if (host) { this.hostname = host; }\n};\n\nmodule.exports = urlParse;\n","'use strict';\n\nexports.Any = require('./properties/Any/regex');\nexports.Cc  = require('./categories/Cc/regex');\nexports.Cf  = require('./categories/Cf/regex');\nexports.P   = require('./categories/P/regex');\nexports.Z   = require('./categories/Z/regex');\n","module.exports=/[\\xAD\\u0600-\\u0605\\u061C\\u06DD\\u070F\\u08E2\\u180E\\u200B-\\u200F\\u202A-\\u202E\\u2060-\\u2064\\u2066-\\u206F\\uFEFF\\uFFF9-\\uFFFB]|\\uD804[\\uDCBD\\uDCCD]|\\uD82F[\\uDCA0-\\uDCA3]|\\uD834[\\uDD73-\\uDD7A]|\\uDB40[\\uDC01\\uDC20-\\uDC7F]/","// Just a shortcut for bulk export\n'use strict';\n\n\nexports.parseLinkLabel       = require('./parse_link_label');\nexports.parseLinkDestination = require('./parse_link_destination');\nexports.parseLinkTitle       = require('./parse_link_title');\n","// Parse link label\n//\n// this function assumes that first character (\"[\") already matches;\n// returns the end of the label\n//\n'use strict';\n\nmodule.exports = function parseLinkLabel(state, start, disableNested) {\n  var level, found, marker, prevPos,\n      labelEnd = -1,\n      max = state.posMax,\n      oldPos = state.pos;\n\n  state.pos = start + 1;\n  level = 1;\n\n  while (state.pos < max) {\n    marker = state.src.charCodeAt(state.pos);\n    if (marker === 0x5D /* ] */) {\n      level--;\n      if (level === 0) {\n        found = true;\n        break;\n      }\n    }\n\n    prevPos = state.pos;\n    state.md.inline.skipToken(state);\n    if (marker === 0x5B /* [ */) {\n      if (prevPos === state.pos - 1) {\n        // increase level if we find text `[`, which is not a part of any token\n        level++;\n      } else if (disableNested) {\n        state.pos = oldPos;\n        return -1;\n      }\n    }\n  }\n\n  if (found) {\n    labelEnd = state.pos;\n  }\n\n  // restore old state\n  state.pos = oldPos;\n\n  return labelEnd;\n};\n","// Parse link destination\n//\n'use strict';\n\n\nvar unescapeAll = require('../common/utils').unescapeAll;\n\n\nmodule.exports = function parseLinkDestination(str, pos, max) {\n  var code, level,\n      lines = 0,\n      start = pos,\n      result = {\n        ok: false,\n        pos: 0,\n        lines: 0,\n        str: ''\n      };\n\n  if (str.charCodeAt(pos) === 0x3C /* < */) {\n    pos++;\n    while (pos < max) {\n      code = str.charCodeAt(pos);\n      if (code === 0x0A /* \\n */) { return result; }\n      if (code === 0x3E /* > */) {\n        result.pos = pos + 1;\n        result.str = unescapeAll(str.slice(start + 1, pos));\n        result.ok = true;\n        return result;\n      }\n      if (code === 0x5C /* \\ */ && pos + 1 < max) {\n        pos += 2;\n        continue;\n      }\n\n      pos++;\n    }\n\n    // no closing '>'\n    return result;\n  }\n\n  // this should be ... } else { ... branch\n\n  level = 0;\n  while (pos < max) {\n    code = str.charCodeAt(pos);\n\n    if (code === 0x20) { break; }\n\n    // ascii control characters\n    if (code < 0x20 || code === 0x7F) { break; }\n\n    if (code === 0x5C /* \\ */ && pos + 1 < max) {\n      pos += 2;\n      continue;\n    }\n\n    if (code === 0x28 /* ( */) {\n      level++;\n    }\n\n    if (code === 0x29 /* ) */) {\n      if (level === 0) { break; }\n      level--;\n    }\n\n    pos++;\n  }\n\n  if (start === pos) { return result; }\n  if (level !== 0) { return result; }\n\n  result.str = unescapeAll(str.slice(start, pos));\n  result.lines = lines;\n  result.pos = pos;\n  result.ok = true;\n  return result;\n};\n","// Parse link title\n//\n'use strict';\n\n\nvar unescapeAll = require('../common/utils').unescapeAll;\n\n\nmodule.exports = function parseLinkTitle(str, pos, max) {\n  var code,\n      marker,\n      lines = 0,\n      start = pos,\n      result = {\n        ok: false,\n        pos: 0,\n        lines: 0,\n        str: ''\n      };\n\n  if (pos >= max) { return result; }\n\n  marker = str.charCodeAt(pos);\n\n  if (marker !== 0x22 /* \" */ && marker !== 0x27 /* ' */ && marker !== 0x28 /* ( */) { return result; }\n\n  pos++;\n\n  // if opening marker is \"(\", switch it to closing marker \")\"\n  if (marker === 0x28) { marker = 0x29; }\n\n  while (pos < max) {\n    code = str.charCodeAt(pos);\n    if (code === marker) {\n      result.pos = pos + 1;\n      result.lines = lines;\n      result.str = unescapeAll(str.slice(start + 1, pos));\n      result.ok = true;\n      return result;\n    } else if (code === 0x0A) {\n      lines++;\n    } else if (code === 0x5C /* \\ */ && pos + 1 < max) {\n      pos++;\n      if (str.charCodeAt(pos) === 0x0A) {\n        lines++;\n      }\n    }\n\n    pos++;\n  }\n\n  return result;\n};\n","/**\n * class Renderer\n *\n * Generates HTML from parsed token stream. Each instance has independent\n * copy of rules. Those can be rewritten with ease. Also, you can add new\n * rules if you create plugin and adds new token types.\n **/\n'use strict';\n\n\nvar assign          = require('./common/utils').assign;\nvar unescapeAll     = require('./common/utils').unescapeAll;\nvar escapeHtml      = require('./common/utils').escapeHtml;\n\n\n////////////////////////////////////////////////////////////////////////////////\n\nvar default_rules = {};\n\n\ndefault_rules.code_inline = function (tokens, idx, options, env, slf) {\n  var token = tokens[idx];\n\n  return  '<code' + slf.renderAttrs(token) + '>' +\n          escapeHtml(tokens[idx].content) +\n          '</code>';\n};\n\n\ndefault_rules.code_block = function (tokens, idx, options, env, slf) {\n  var token = tokens[idx];\n\n  return  '<pre' + slf.renderAttrs(token) + '><code>' +\n          escapeHtml(tokens[idx].content) +\n          '</code></pre>\\n';\n};\n\n\ndefault_rules.fence = function (tokens, idx, options, env, slf) {\n  var token = tokens[idx],\n      info = token.info ? unescapeAll(token.info).trim() : '',\n      langName = '',\n      highlighted, i, tmpAttrs, tmpToken;\n\n  if (info) {\n    langName = info.split(/\\s+/g)[0];\n  }\n\n  if (options.highlight) {\n    highlighted = options.highlight(token.content, langName) || escapeHtml(token.content);\n  } else {\n    highlighted = escapeHtml(token.content);\n  }\n\n  if (highlighted.indexOf('<pre') === 0) {\n    return highlighted + '\\n';\n  }\n\n  // If language exists, inject class gently, without modifying original token.\n  // May be, one day we will add .clone() for token and simplify this part, but\n  // now we prefer to keep things local.\n  if (info) {\n    i        = token.attrIndex('class');\n    tmpAttrs = token.attrs ? token.attrs.slice() : [];\n\n    if (i < 0) {\n      tmpAttrs.push([ 'class', options.langPrefix + langName ]);\n    } else {\n      tmpAttrs[i][1] += ' ' + options.langPrefix + langName;\n    }\n\n    // Fake token just to render attributes\n    tmpToken = {\n      attrs: tmpAttrs\n    };\n\n    return  '<pre><code' + slf.renderAttrs(tmpToken) + '>'\n          + highlighted\n          + '</code></pre>\\n';\n  }\n\n\n  return  '<pre><code' + slf.renderAttrs(token) + '>'\n        + highlighted\n        + '</code></pre>\\n';\n};\n\n\ndefault_rules.image = function (tokens, idx, options, env, slf) {\n  var token = tokens[idx];\n\n  // \"alt\" attr MUST be set, even if empty. Because it's mandatory and\n  // should be placed on proper position for tests.\n  //\n  // Replace content with actual value\n\n  token.attrs[token.attrIndex('alt')][1] =\n    slf.renderInlineAsText(token.children, options, env);\n\n  return slf.renderToken(tokens, idx, options);\n};\n\n\ndefault_rules.hardbreak = function (tokens, idx, options /*, env */) {\n  return options.xhtmlOut ? '<br />\\n' : '<br>\\n';\n};\ndefault_rules.softbreak = function (tokens, idx, options /*, env */) {\n  return options.breaks ? (options.xhtmlOut ? '<br />\\n' : '<br>\\n') : '\\n';\n};\n\n\ndefault_rules.text = function (tokens, idx /*, options, env */) {\n  return escapeHtml(tokens[idx].content);\n};\n\n\ndefault_rules.html_block = function (tokens, idx /*, options, env */) {\n  return tokens[idx].content;\n};\ndefault_rules.html_inline = function (tokens, idx /*, options, env */) {\n  return tokens[idx].content;\n};\n\n\n/**\n * new Renderer()\n *\n * Creates new [[Renderer]] instance and fill [[Renderer#rules]] with defaults.\n **/\nfunction Renderer() {\n\n  /**\n   * Renderer#rules -> Object\n   *\n   * Contains render rules for tokens. Can be updated and extended.\n   *\n   * ##### Example\n   *\n   * ```javascript\n   * var md = require('markdown-it')();\n   *\n   * md.renderer.rules.strong_open  = function () { return '<b>'; };\n   * md.renderer.rules.strong_close = function () { return '</b>'; };\n   *\n   * var result = md.renderInline(...);\n   * ```\n   *\n   * Each rule is called as independent static function with fixed signature:\n   *\n   * ```javascript\n   * function my_token_render(tokens, idx, options, env, renderer) {\n   *   // ...\n   *   return renderedHTML;\n   * }\n   * ```\n   *\n   * See [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js)\n   * for more details and examples.\n   **/\n  this.rules = assign({}, default_rules);\n}\n\n\n/**\n * Renderer.renderAttrs(token) -> String\n *\n * Render token attributes to string.\n **/\nRenderer.prototype.renderAttrs = function renderAttrs(token) {\n  var i, l, result;\n\n  if (!token.attrs) { return ''; }\n\n  result = '';\n\n  for (i = 0, l = token.attrs.length; i < l; i++) {\n    result += ' ' + escapeHtml(token.attrs[i][0]) + '=\"' + escapeHtml(token.attrs[i][1]) + '\"';\n  }\n\n  return result;\n};\n\n\n/**\n * Renderer.renderToken(tokens, idx, options) -> String\n * - tokens (Array): list of tokens\n * - idx (Numbed): token index to render\n * - options (Object): params of parser instance\n *\n * Default token renderer. Can be overriden by custom function\n * in [[Renderer#rules]].\n **/\nRenderer.prototype.renderToken = function renderToken(tokens, idx, options) {\n  var nextToken,\n      result = '',\n      needLf = false,\n      token = tokens[idx];\n\n  // Tight list paragraphs\n  if (token.hidden) {\n    return '';\n  }\n\n  // Insert a newline between hidden paragraph and subsequent opening\n  // block-level tag.\n  //\n  // For example, here we should insert a newline before blockquote:\n  //  - a\n  //    >\n  //\n  if (token.block && token.nesting !== -1 && idx && tokens[idx - 1].hidden) {\n    result += '\\n';\n  }\n\n  // Add token name, e.g. `<img`\n  result += (token.nesting === -1 ? '</' : '<') + token.tag;\n\n  // Encode attributes, e.g. `<img src=\"foo\"`\n  result += this.renderAttrs(token);\n\n  // Add a slash for self-closing tags, e.g. `<img src=\"foo\" /`\n  if (token.nesting === 0 && options.xhtmlOut) {\n    result += ' /';\n  }\n\n  // Check if we need to add a newline after this tag\n  if (token.block) {\n    needLf = true;\n\n    if (token.nesting === 1) {\n      if (idx + 1 < tokens.length) {\n        nextToken = tokens[idx + 1];\n\n        if (nextToken.type === 'inline' || nextToken.hidden) {\n          // Block-level tag containing an inline tag.\n          //\n          needLf = false;\n\n        } else if (nextToken.nesting === -1 && nextToken.tag === token.tag) {\n          // Opening tag + closing tag of the same type. E.g. `<li></li>`.\n          //\n          needLf = false;\n        }\n      }\n    }\n  }\n\n  result += needLf ? '>\\n' : '>';\n\n  return result;\n};\n\n\n/**\n * Renderer.renderInline(tokens, options, env) -> String\n * - tokens (Array): list on block tokens to renter\n * - options (Object): params of parser instance\n * - env (Object): additional data from parsed input (references, for example)\n *\n * The same as [[Renderer.render]], but for single token of `inline` type.\n **/\nRenderer.prototype.renderInline = function (tokens, options, env) {\n  var type,\n      result = '',\n      rules = this.rules;\n\n  for (var i = 0, len = tokens.length; i < len; i++) {\n    type = tokens[i].type;\n\n    if (typeof rules[type] !== 'undefined') {\n      result += rules[type](tokens, i, options, env, this);\n    } else {\n      result += this.renderToken(tokens, i, options);\n    }\n  }\n\n  return result;\n};\n\n\n/** internal\n * Renderer.renderInlineAsText(tokens, options, env) -> String\n * - tokens (Array): list on block tokens to renter\n * - options (Object): params of parser instance\n * - env (Object): additional data from parsed input (references, for example)\n *\n * Special kludge for image `alt` attributes to conform CommonMark spec.\n * Don't try to use it! Spec requires to show `alt` content with stripped markup,\n * instead of simple escaping.\n **/\nRenderer.prototype.renderInlineAsText = function (tokens, options, env) {\n  var result = '';\n\n  for (var i = 0, len = tokens.length; i < len; i++) {\n    if (tokens[i].type === 'text') {\n      result += tokens[i].content;\n    } else if (tokens[i].type === 'image') {\n      result += this.renderInlineAsText(tokens[i].children, options, env);\n    }\n  }\n\n  return result;\n};\n\n\n/**\n * Renderer.render(tokens, options, env) -> String\n * - tokens (Array): list on block tokens to renter\n * - options (Object): params of parser instance\n * - env (Object): additional data from parsed input (references, for example)\n *\n * Takes token stream and generates HTML. Probably, you will never need to call\n * this method directly.\n **/\nRenderer.prototype.render = function (tokens, options, env) {\n  var i, len, type,\n      result = '',\n      rules = this.rules;\n\n  for (i = 0, len = tokens.length; i < len; i++) {\n    type = tokens[i].type;\n\n    if (type === 'inline') {\n      result += this.renderInline(tokens[i].children, options, env);\n    } else if (typeof rules[type] !== 'undefined') {\n      result += rules[tokens[i].type](tokens, i, options, env, this);\n    } else {\n      result += this.renderToken(tokens, i, options, env);\n    }\n  }\n\n  return result;\n};\n\nmodule.exports = Renderer;\n","/** internal\n * class Core\n *\n * Top-level rules executor. Glues block/inline parsers and does intermediate\n * transformations.\n **/\n'use strict';\n\n\nvar Ruler  = require('./ruler');\n\n\nvar _rules = [\n  [ 'normalize',      require('./rules_core/normalize')      ],\n  [ 'block',          require('./rules_core/block')          ],\n  [ 'inline',         require('./rules_core/inline')         ],\n  [ 'linkify',        require('./rules_core/linkify')        ],\n  [ 'replacements',   require('./rules_core/replacements')   ],\n  [ 'smartquotes',    require('./rules_core/smartquotes')    ]\n];\n\n\n/**\n * new Core()\n **/\nfunction Core() {\n  /**\n   * Core#ruler -> Ruler\n   *\n   * [[Ruler]] instance. Keep configuration of core rules.\n   **/\n  this.ruler = new Ruler();\n\n  for (var i = 0; i < _rules.length; i++) {\n    this.ruler.push(_rules[i][0], _rules[i][1]);\n  }\n}\n\n\n/**\n * Core.process(state)\n *\n * Executes core chain rules.\n **/\nCore.prototype.process = function (state) {\n  var i, l, rules;\n\n  rules = this.ruler.getRules('');\n\n  for (i = 0, l = rules.length; i < l; i++) {\n    rules[i](state);\n  }\n};\n\nCore.prototype.State = require('./rules_core/state_core');\n\n\nmodule.exports = Core;\n","// Normalize input string\n\n'use strict';\n\n\n// https://spec.commonmark.org/0.29/#line-ending\nvar NEWLINES_RE  = /\\r\\n?|\\n/g;\nvar NULL_RE      = /\\0/g;\n\n\nmodule.exports = function normalize(state) {\n  var str;\n\n  // Normalize newlines\n  str = state.src.replace(NEWLINES_RE, '\\n');\n\n  // Replace NULL characters\n  str = str.replace(NULL_RE, '\\uFFFD');\n\n  state.src = str;\n};\n","'use strict';\n\n\nmodule.exports = function block(state) {\n  var token;\n\n  if (state.inlineMode) {\n    token          = new state.Token('inline', '', 0);\n    token.content  = state.src;\n    token.map      = [ 0, 1 ];\n    token.children = [];\n    state.tokens.push(token);\n  } else {\n    state.md.block.parse(state.src, state.md, state.env, state.tokens);\n  }\n};\n","'use strict';\n\nmodule.exports = function inline(state) {\n  var tokens = state.tokens, tok, i, l;\n\n  // Parse inlines\n  for (i = 0, l = tokens.length; i < l; i++) {\n    tok = tokens[i];\n    if (tok.type === 'inline') {\n      state.md.inline.parse(tok.content, state.md, state.env, tok.children);\n    }\n  }\n};\n","// Replace link-like texts with link nodes.\n//\n// Currently restricted by `md.validateLink()` to http/https/ftp\n//\n'use strict';\n\n\nvar arrayReplaceAt = require('../common/utils').arrayReplaceAt;\n\n\nfunction isLinkOpen(str) {\n  return /^<a[>\\s]/i.test(str);\n}\nfunction isLinkClose(str) {\n  return /^<\\/a\\s*>/i.test(str);\n}\n\n\nmodule.exports = function linkify(state) {\n  var i, j, l, tokens, token, currentToken, nodes, ln, text, pos, lastPos,\n      level, htmlLinkLevel, url, fullUrl, urlText,\n      blockTokens = state.tokens,\n      links;\n\n  if (!state.md.options.linkify) { return; }\n\n  for (j = 0, l = blockTokens.length; j < l; j++) {\n    if (blockTokens[j].type !== 'inline' ||\n        !state.md.linkify.pretest(blockTokens[j].content)) {\n      continue;\n    }\n\n    tokens = blockTokens[j].children;\n\n    htmlLinkLevel = 0;\n\n    // We scan from the end, to keep position when new tags added.\n    // Use reversed logic in links start/end match\n    for (i = tokens.length - 1; i >= 0; i--) {\n      currentToken = tokens[i];\n\n      // Skip content of markdown links\n      if (currentToken.type === 'link_close') {\n        i--;\n        while (tokens[i].level !== currentToken.level && tokens[i].type !== 'link_open') {\n          i--;\n        }\n        continue;\n      }\n\n      // Skip content of html tag links\n      if (currentToken.type === 'html_inline') {\n        if (isLinkOpen(currentToken.content) && htmlLinkLevel > 0) {\n          htmlLinkLevel--;\n        }\n        if (isLinkClose(currentToken.content)) {\n          htmlLinkLevel++;\n        }\n      }\n      if (htmlLinkLevel > 0) { continue; }\n\n      if (currentToken.type === 'text' && state.md.linkify.test(currentToken.content)) {\n\n        text = currentToken.content;\n        links = state.md.linkify.match(text);\n\n        // Now split string to nodes\n        nodes = [];\n        level = currentToken.level;\n        lastPos = 0;\n\n        for (ln = 0; ln < links.length; ln++) {\n\n          url = links[ln].url;\n          fullUrl = state.md.normalizeLink(url);\n          if (!state.md.validateLink(fullUrl)) { continue; }\n\n          urlText = links[ln].text;\n\n          // Linkifier might send raw hostnames like \"example.com\", where url\n          // starts with domain name. So we prepend http:// in those cases,\n          // and remove it afterwards.\n          //\n          if (!links[ln].schema) {\n            urlText = state.md.normalizeLinkText('http://' + urlText).replace(/^http:\\/\\//, '');\n          } else if (links[ln].schema === 'mailto:' && !/^mailto:/i.test(urlText)) {\n            urlText = state.md.normalizeLinkText('mailto:' + urlText).replace(/^mailto:/, '');\n          } else {\n            urlText = state.md.normalizeLinkText(urlText);\n          }\n\n          pos = links[ln].index;\n\n          if (pos > lastPos) {\n            token         = new state.Token('text', '', 0);\n            token.content = text.slice(lastPos, pos);\n            token.level   = level;\n            nodes.push(token);\n          }\n\n          token         = new state.Token('link_open', 'a', 1);\n          token.attrs   = [ [ 'href', fullUrl ] ];\n          token.level   = level++;\n          token.markup  = 'linkify';\n          token.info    = 'auto';\n          nodes.push(token);\n\n          token         = new state.Token('text', '', 0);\n          token.content = urlText;\n          token.level   = level;\n          nodes.push(token);\n\n          token         = new state.Token('link_close', 'a', -1);\n          token.level   = --level;\n          token.markup  = 'linkify';\n          token.info    = 'auto';\n          nodes.push(token);\n\n          lastPos = links[ln].lastIndex;\n        }\n        if (lastPos < text.length) {\n          token         = new state.Token('text', '', 0);\n          token.content = text.slice(lastPos);\n          token.level   = level;\n          nodes.push(token);\n        }\n\n        // replace current node\n        blockTokens[j].children = tokens = arrayReplaceAt(tokens, i, nodes);\n      }\n    }\n  }\n};\n","// Simple typographic replacements\n//\n// (c) (C) → ©\n// (tm) (TM) → ™\n// (r) (R) → ®\n// +- → ±\n// (p) (P) -> §\n// ... → … (also ?.... → ?.., !.... → !..)\n// ???????? → ???, !!!!! → !!!, `,,` → `,`\n// -- → &ndash;, --- → &mdash;\n//\n'use strict';\n\n// TODO:\n// - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾\n// - miltiplication 2 x 4 -> 2 × 4\n\nvar RARE_RE = /\\+-|\\.\\.|\\?\\?\\?\\?|!!!!|,,|--/;\n\n// Workaround for phantomjs - need regex without /g flag,\n// or root check will fail every second time\nvar SCOPED_ABBR_TEST_RE = /\\((c|tm|r|p)\\)/i;\n\nvar SCOPED_ABBR_RE = /\\((c|tm|r|p)\\)/ig;\nvar SCOPED_ABBR = {\n  c: '©',\n  r: '®',\n  p: '§',\n  tm: '™'\n};\n\nfunction replaceFn(match, name) {\n  return SCOPED_ABBR[name.toLowerCase()];\n}\n\nfunction replace_scoped(inlineTokens) {\n  var i, token, inside_autolink = 0;\n\n  for (i = inlineTokens.length - 1; i >= 0; i--) {\n    token = inlineTokens[i];\n\n    if (token.type === 'text' && !inside_autolink) {\n      token.content = token.content.replace(SCOPED_ABBR_RE, replaceFn);\n    }\n\n    if (token.type === 'link_open' && token.info === 'auto') {\n      inside_autolink--;\n    }\n\n    if (token.type === 'link_close' && token.info === 'auto') {\n      inside_autolink++;\n    }\n  }\n}\n\nfunction replace_rare(inlineTokens) {\n  var i, token, inside_autolink = 0;\n\n  for (i = inlineTokens.length - 1; i >= 0; i--) {\n    token = inlineTokens[i];\n\n    if (token.type === 'text' && !inside_autolink) {\n      if (RARE_RE.test(token.content)) {\n        token.content = token.content\n          .replace(/\\+-/g, '±')\n          // .., ..., ....... -> …\n          // but ?..... & !..... -> ?.. & !..\n          .replace(/\\.{2,}/g, '…').replace(/([?!])…/g, '$1..')\n          .replace(/([?!]){4,}/g, '$1$1$1').replace(/,{2,}/g, ',')\n          // em-dash\n          .replace(/(^|[^-])---(?=[^-]|$)/mg, '$1\\u2014')\n          // en-dash\n          .replace(/(^|\\s)--(?=\\s|$)/mg, '$1\\u2013')\n          .replace(/(^|[^-\\s])--(?=[^-\\s]|$)/mg, '$1\\u2013');\n      }\n    }\n\n    if (token.type === 'link_open' && token.info === 'auto') {\n      inside_autolink--;\n    }\n\n    if (token.type === 'link_close' && token.info === 'auto') {\n      inside_autolink++;\n    }\n  }\n}\n\n\nmodule.exports = function replace(state) {\n  var blkIdx;\n\n  if (!state.md.options.typographer) { return; }\n\n  for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {\n\n    if (state.tokens[blkIdx].type !== 'inline') { continue; }\n\n    if (SCOPED_ABBR_TEST_RE.test(state.tokens[blkIdx].content)) {\n      replace_scoped(state.tokens[blkIdx].children);\n    }\n\n    if (RARE_RE.test(state.tokens[blkIdx].content)) {\n      replace_rare(state.tokens[blkIdx].children);\n    }\n\n  }\n};\n","// Convert straight quotation marks to typographic ones\n//\n'use strict';\n\n\nvar isWhiteSpace   = require('../common/utils').isWhiteSpace;\nvar isPunctChar    = require('../common/utils').isPunctChar;\nvar isMdAsciiPunct = require('../common/utils').isMdAsciiPunct;\n\nvar QUOTE_TEST_RE = /['\"]/;\nvar QUOTE_RE = /['\"]/g;\nvar APOSTROPHE = '\\u2019'; /* ’ */\n\n\nfunction replaceAt(str, index, ch) {\n  return str.substr(0, index) + ch + str.substr(index + 1);\n}\n\nfunction process_inlines(tokens, state) {\n  var i, token, text, t, pos, max, thisLevel, item, lastChar, nextChar,\n      isLastPunctChar, isNextPunctChar, isLastWhiteSpace, isNextWhiteSpace,\n      canOpen, canClose, j, isSingle, stack, openQuote, closeQuote;\n\n  stack = [];\n\n  for (i = 0; i < tokens.length; i++) {\n    token = tokens[i];\n\n    thisLevel = tokens[i].level;\n\n    for (j = stack.length - 1; j >= 0; j--) {\n      if (stack[j].level <= thisLevel) { break; }\n    }\n    stack.length = j + 1;\n\n    if (token.type !== 'text') { continue; }\n\n    text = token.content;\n    pos = 0;\n    max = text.length;\n\n    /*eslint no-labels:0,block-scoped-var:0*/\n    OUTER:\n    while (pos < max) {\n      QUOTE_RE.lastIndex = pos;\n      t = QUOTE_RE.exec(text);\n      if (!t) { break; }\n\n      canOpen = canClose = true;\n      pos = t.index + 1;\n      isSingle = (t[0] === \"'\");\n\n      // Find previous character,\n      // default to space if it's the beginning of the line\n      //\n      lastChar = 0x20;\n\n      if (t.index - 1 >= 0) {\n        lastChar = text.charCodeAt(t.index - 1);\n      } else {\n        for (j = i - 1; j >= 0; j--) {\n          if (tokens[j].type === 'softbreak' || tokens[j].type === 'hardbreak') break; // lastChar defaults to 0x20\n          if (tokens[j].type !== 'text') continue;\n\n          lastChar = tokens[j].content.charCodeAt(tokens[j].content.length - 1);\n          break;\n        }\n      }\n\n      // Find next character,\n      // default to space if it's the end of the line\n      //\n      nextChar = 0x20;\n\n      if (pos < max) {\n        nextChar = text.charCodeAt(pos);\n      } else {\n        for (j = i + 1; j < tokens.length; j++) {\n          if (tokens[j].type === 'softbreak' || tokens[j].type === 'hardbreak') break; // nextChar defaults to 0x20\n          if (tokens[j].type !== 'text') continue;\n\n          nextChar = tokens[j].content.charCodeAt(0);\n          break;\n        }\n      }\n\n      isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));\n      isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));\n\n      isLastWhiteSpace = isWhiteSpace(lastChar);\n      isNextWhiteSpace = isWhiteSpace(nextChar);\n\n      if (isNextWhiteSpace) {\n        canOpen = false;\n      } else if (isNextPunctChar) {\n        if (!(isLastWhiteSpace || isLastPunctChar)) {\n          canOpen = false;\n        }\n      }\n\n      if (isLastWhiteSpace) {\n        canClose = false;\n      } else if (isLastPunctChar) {\n        if (!(isNextWhiteSpace || isNextPunctChar)) {\n          canClose = false;\n        }\n      }\n\n      if (nextChar === 0x22 /* \" */ && t[0] === '\"') {\n        if (lastChar >= 0x30 /* 0 */ && lastChar <= 0x39 /* 9 */) {\n          // special case: 1\"\" - count first quote as an inch\n          canClose = canOpen = false;\n        }\n      }\n\n      if (canOpen && canClose) {\n        // Replace quotes in the middle of punctuation sequence, but not\n        // in the middle of the words, i.e.:\n        //\n        // 1. foo \" bar \" baz - not replaced\n        // 2. foo-\"-bar-\"-baz - replaced\n        // 3. foo\"bar\"baz     - not replaced\n        //\n        canOpen = isLastPunctChar;\n        canClose = isNextPunctChar;\n      }\n\n      if (!canOpen && !canClose) {\n        // middle of word\n        if (isSingle) {\n          token.content = replaceAt(token.content, t.index, APOSTROPHE);\n        }\n        continue;\n      }\n\n      if (canClose) {\n        // this could be a closing quote, rewind the stack to get a match\n        for (j = stack.length - 1; j >= 0; j--) {\n          item = stack[j];\n          if (stack[j].level < thisLevel) { break; }\n          if (item.single === isSingle && stack[j].level === thisLevel) {\n            item = stack[j];\n\n            if (isSingle) {\n              openQuote = state.md.options.quotes[2];\n              closeQuote = state.md.options.quotes[3];\n            } else {\n              openQuote = state.md.options.quotes[0];\n              closeQuote = state.md.options.quotes[1];\n            }\n\n            // replace token.content *before* tokens[item.token].content,\n            // because, if they are pointing at the same token, replaceAt\n            // could mess up indices when quote length != 1\n            token.content = replaceAt(token.content, t.index, closeQuote);\n            tokens[item.token].content = replaceAt(\n              tokens[item.token].content, item.pos, openQuote);\n\n            pos += closeQuote.length - 1;\n            if (item.token === i) { pos += openQuote.length - 1; }\n\n            text = token.content;\n            max = text.length;\n\n            stack.length = j;\n            continue OUTER;\n          }\n        }\n      }\n\n      if (canOpen) {\n        stack.push({\n          token: i,\n          pos: t.index,\n          single: isSingle,\n          level: thisLevel\n        });\n      } else if (canClose && isSingle) {\n        token.content = replaceAt(token.content, t.index, APOSTROPHE);\n      }\n    }\n  }\n}\n\n\nmodule.exports = function smartquotes(state) {\n  /*eslint max-depth:0*/\n  var blkIdx;\n\n  if (!state.md.options.typographer) { return; }\n\n  for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {\n\n    if (state.tokens[blkIdx].type !== 'inline' ||\n        !QUOTE_TEST_RE.test(state.tokens[blkIdx].content)) {\n      continue;\n    }\n\n    process_inlines(state.tokens[blkIdx].children, state);\n  }\n};\n","// Core state object\n//\n'use strict';\n\nvar Token = require('../token');\n\n\nfunction StateCore(src, md, env) {\n  this.src = src;\n  this.env = env;\n  this.tokens = [];\n  this.inlineMode = false;\n  this.md = md; // link to parser instance\n}\n\n// re-export Token class to use in core rules\nStateCore.prototype.Token = Token;\n\n\nmodule.exports = StateCore;\n","/** internal\n * class ParserBlock\n *\n * Block-level tokenizer.\n **/\n'use strict';\n\n\nvar Ruler           = require('./ruler');\n\n\nvar _rules = [\n  // First 2 params - rule name & source. Secondary array - list of rules,\n  // which can be terminated by this one.\n  [ 'table',      require('./rules_block/table'),      [ 'paragraph', 'reference' ] ],\n  [ 'code',       require('./rules_block/code') ],\n  [ 'fence',      require('./rules_block/fence'),      [ 'paragraph', 'reference', 'blockquote', 'list' ] ],\n  [ 'blockquote', require('./rules_block/blockquote'), [ 'paragraph', 'reference', 'blockquote', 'list' ] ],\n  [ 'hr',         require('./rules_block/hr'),         [ 'paragraph', 'reference', 'blockquote', 'list' ] ],\n  [ 'list',       require('./rules_block/list'),       [ 'paragraph', 'reference', 'blockquote' ] ],\n  [ 'reference',  require('./rules_block/reference') ],\n  [ 'heading',    require('./rules_block/heading'),    [ 'paragraph', 'reference', 'blockquote' ] ],\n  [ 'lheading',   require('./rules_block/lheading') ],\n  [ 'html_block', require('./rules_block/html_block'), [ 'paragraph', 'reference', 'blockquote' ] ],\n  [ 'paragraph',  require('./rules_block/paragraph') ]\n];\n\n\n/**\n * new ParserBlock()\n **/\nfunction ParserBlock() {\n  /**\n   * ParserBlock#ruler -> Ruler\n   *\n   * [[Ruler]] instance. Keep configuration of block rules.\n   **/\n  this.ruler = new Ruler();\n\n  for (var i = 0; i < _rules.length; i++) {\n    this.ruler.push(_rules[i][0], _rules[i][1], { alt: (_rules[i][2] || []).slice() });\n  }\n}\n\n\n// Generate tokens for input range\n//\nParserBlock.prototype.tokenize = function (state, startLine, endLine) {\n  var ok, i,\n      rules = this.ruler.getRules(''),\n      len = rules.length,\n      line = startLine,\n      hasEmptyLines = false,\n      maxNesting = state.md.options.maxNesting;\n\n  while (line < endLine) {\n    state.line = line = state.skipEmptyLines(line);\n    if (line >= endLine) { break; }\n\n    // Termination condition for nested calls.\n    // Nested calls currently used for blockquotes & lists\n    if (state.sCount[line] < state.blkIndent) { break; }\n\n    // If nesting level exceeded - skip tail to the end. That's not ordinary\n    // situation and we should not care about content.\n    if (state.level >= maxNesting) {\n      state.line = endLine;\n      break;\n    }\n\n    // Try all possible rules.\n    // On success, rule should:\n    //\n    // - update `state.line`\n    // - update `state.tokens`\n    // - return true\n\n    for (i = 0; i < len; i++) {\n      ok = rules[i](state, line, endLine, false);\n      if (ok) { break; }\n    }\n\n    // set state.tight if we had an empty line before current tag\n    // i.e. latest empty line should not count\n    state.tight = !hasEmptyLines;\n\n    // paragraph might \"eat\" one newline after it in nested lists\n    if (state.isEmpty(state.line - 1)) {\n      hasEmptyLines = true;\n    }\n\n    line = state.line;\n\n    if (line < endLine && state.isEmpty(line)) {\n      hasEmptyLines = true;\n      line++;\n      state.line = line;\n    }\n  }\n};\n\n\n/**\n * ParserBlock.parse(str, md, env, outTokens)\n *\n * Process input string and push block tokens into `outTokens`\n **/\nParserBlock.prototype.parse = function (src, md, env, outTokens) {\n  var state;\n\n  if (!src) { return; }\n\n  state = new this.State(src, md, env, outTokens);\n\n  this.tokenize(state, state.line, state.lineMax);\n};\n\n\nParserBlock.prototype.State = require('./rules_block/state_block');\n\n\nmodule.exports = ParserBlock;\n","// GFM table, non-standard\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nfunction getLine(state, line) {\n  var pos = state.bMarks[line] + state.blkIndent,\n      max = state.eMarks[line];\n\n  return state.src.substr(pos, max - pos);\n}\n\nfunction escapedSplit(str) {\n  var result = [],\n      pos = 0,\n      max = str.length,\n      ch,\n      escapes = 0,\n      lastPos = 0,\n      backTicked = false,\n      lastBackTick = 0;\n\n  ch  = str.charCodeAt(pos);\n\n  while (pos < max) {\n    if (ch === 0x60/* ` */) {\n      if (backTicked) {\n        // make \\` close code sequence, but not open it;\n        // the reason is: `\\` is correct code block\n        backTicked = false;\n        lastBackTick = pos;\n      } else if (escapes % 2 === 0) {\n        backTicked = true;\n        lastBackTick = pos;\n      }\n    } else if (ch === 0x7c/* | */ && (escapes % 2 === 0) && !backTicked) {\n      result.push(str.substring(lastPos, pos));\n      lastPos = pos + 1;\n    }\n\n    if (ch === 0x5c/* \\ */) {\n      escapes++;\n    } else {\n      escapes = 0;\n    }\n\n    pos++;\n\n    // If there was an un-closed backtick, go back to just after\n    // the last backtick, but as if it was a normal character\n    if (pos === max && backTicked) {\n      backTicked = false;\n      pos = lastBackTick + 1;\n    }\n\n    ch = str.charCodeAt(pos);\n  }\n\n  result.push(str.substring(lastPos));\n\n  return result;\n}\n\n\nmodule.exports = function table(state, startLine, endLine, silent) {\n  var ch, lineText, pos, i, nextLine, columns, columnCount, token,\n      aligns, t, tableLines, tbodyLines;\n\n  // should have at least two lines\n  if (startLine + 2 > endLine) { return false; }\n\n  nextLine = startLine + 1;\n\n  if (state.sCount[nextLine] < state.blkIndent) { return false; }\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[nextLine] - state.blkIndent >= 4) { return false; }\n\n  // first character of the second line should be '|', '-', ':',\n  // and no other characters are allowed but spaces;\n  // basically, this is the equivalent of /^[-:|][-:|\\s]*$/ regexp\n\n  pos = state.bMarks[nextLine] + state.tShift[nextLine];\n  if (pos >= state.eMarks[nextLine]) { return false; }\n\n  ch = state.src.charCodeAt(pos++);\n  if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */ && ch !== 0x3A/* : */) { return false; }\n\n  while (pos < state.eMarks[nextLine]) {\n    ch = state.src.charCodeAt(pos);\n\n    if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */ && ch !== 0x3A/* : */ && !isSpace(ch)) { return false; }\n\n    pos++;\n  }\n\n  lineText = getLine(state, startLine + 1);\n\n  columns = lineText.split('|');\n  aligns = [];\n  for (i = 0; i < columns.length; i++) {\n    t = columns[i].trim();\n    if (!t) {\n      // allow empty columns before and after table, but not in between columns;\n      // e.g. allow ` |---| `, disallow ` ---||--- `\n      if (i === 0 || i === columns.length - 1) {\n        continue;\n      } else {\n        return false;\n      }\n    }\n\n    if (!/^:?-+:?$/.test(t)) { return false; }\n    if (t.charCodeAt(t.length - 1) === 0x3A/* : */) {\n      aligns.push(t.charCodeAt(0) === 0x3A/* : */ ? 'center' : 'right');\n    } else if (t.charCodeAt(0) === 0x3A/* : */) {\n      aligns.push('left');\n    } else {\n      aligns.push('');\n    }\n  }\n\n  lineText = getLine(state, startLine).trim();\n  if (lineText.indexOf('|') === -1) { return false; }\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n  columns = escapedSplit(lineText.replace(/^\\||\\|$/g, ''));\n\n  // header row will define an amount of columns in the entire table,\n  // and align row shouldn't be smaller than that (the rest of the rows can)\n  columnCount = columns.length;\n  if (columnCount > aligns.length) { return false; }\n\n  if (silent) { return true; }\n\n  token     = state.push('table_open', 'table', 1);\n  token.map = tableLines = [ startLine, 0 ];\n\n  token     = state.push('thead_open', 'thead', 1);\n  token.map = [ startLine, startLine + 1 ];\n\n  token     = state.push('tr_open', 'tr', 1);\n  token.map = [ startLine, startLine + 1 ];\n\n  for (i = 0; i < columns.length; i++) {\n    token          = state.push('th_open', 'th', 1);\n    token.map      = [ startLine, startLine + 1 ];\n    if (aligns[i]) {\n      token.attrs  = [ [ 'style', 'text-align:' + aligns[i] ] ];\n    }\n\n    token          = state.push('inline', '', 0);\n    token.content  = columns[i].trim();\n    token.map      = [ startLine, startLine + 1 ];\n    token.children = [];\n\n    token          = state.push('th_close', 'th', -1);\n  }\n\n  token     = state.push('tr_close', 'tr', -1);\n  token     = state.push('thead_close', 'thead', -1);\n\n  token     = state.push('tbody_open', 'tbody', 1);\n  token.map = tbodyLines = [ startLine + 2, 0 ];\n\n  for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {\n    if (state.sCount[nextLine] < state.blkIndent) { break; }\n\n    lineText = getLine(state, nextLine).trim();\n    if (lineText.indexOf('|') === -1) { break; }\n    if (state.sCount[nextLine] - state.blkIndent >= 4) { break; }\n    columns = escapedSplit(lineText.replace(/^\\||\\|$/g, ''));\n\n    token = state.push('tr_open', 'tr', 1);\n    for (i = 0; i < columnCount; i++) {\n      token          = state.push('td_open', 'td', 1);\n      if (aligns[i]) {\n        token.attrs  = [ [ 'style', 'text-align:' + aligns[i] ] ];\n      }\n\n      token          = state.push('inline', '', 0);\n      token.content  = columns[i] ? columns[i].trim() : '';\n      token.children = [];\n\n      token          = state.push('td_close', 'td', -1);\n    }\n    token = state.push('tr_close', 'tr', -1);\n  }\n  token = state.push('tbody_close', 'tbody', -1);\n  token = state.push('table_close', 'table', -1);\n\n  tableLines[1] = tbodyLines[1] = nextLine;\n  state.line = nextLine;\n  return true;\n};\n","// Code block (4 spaces padded)\n\n'use strict';\n\n\nmodule.exports = function code(state, startLine, endLine/*, silent*/) {\n  var nextLine, last, token;\n\n  if (state.sCount[startLine] - state.blkIndent < 4) { return false; }\n\n  last = nextLine = startLine + 1;\n\n  while (nextLine < endLine) {\n    if (state.isEmpty(nextLine)) {\n      nextLine++;\n      continue;\n    }\n\n    if (state.sCount[nextLine] - state.blkIndent >= 4) {\n      nextLine++;\n      last = nextLine;\n      continue;\n    }\n    break;\n  }\n\n  state.line = last;\n\n  token         = state.push('code_block', 'code', 0);\n  token.content = state.getLines(startLine, last, 4 + state.blkIndent, true);\n  token.map     = [ startLine, state.line ];\n\n  return true;\n};\n","// fences (``` lang, ~~~ lang)\n\n'use strict';\n\n\nmodule.exports = function fence(state, startLine, endLine, silent) {\n  var marker, len, params, nextLine, mem, token, markup,\n      haveEndMarker = false,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  if (pos + 3 > max) { return false; }\n\n  marker = state.src.charCodeAt(pos);\n\n  if (marker !== 0x7E/* ~ */ && marker !== 0x60 /* ` */) {\n    return false;\n  }\n\n  // scan marker length\n  mem = pos;\n  pos = state.skipChars(pos, marker);\n\n  len = pos - mem;\n\n  if (len < 3) { return false; }\n\n  markup = state.src.slice(mem, pos);\n  params = state.src.slice(pos, max);\n\n  if (marker === 0x60 /* ` */) {\n    if (params.indexOf(String.fromCharCode(marker)) >= 0) {\n      return false;\n    }\n  }\n\n  // Since start is found, we can report success here in validation mode\n  if (silent) { return true; }\n\n  // search end of block\n  nextLine = startLine;\n\n  for (;;) {\n    nextLine++;\n    if (nextLine >= endLine) {\n      // unclosed block should be autoclosed by end of document.\n      // also block seems to be autoclosed by end of parent\n      break;\n    }\n\n    pos = mem = state.bMarks[nextLine] + state.tShift[nextLine];\n    max = state.eMarks[nextLine];\n\n    if (pos < max && state.sCount[nextLine] < state.blkIndent) {\n      // non-empty line with negative indent should stop the list:\n      // - ```\n      //  test\n      break;\n    }\n\n    if (state.src.charCodeAt(pos) !== marker) { continue; }\n\n    if (state.sCount[nextLine] - state.blkIndent >= 4) {\n      // closing fence should be indented less than 4 spaces\n      continue;\n    }\n\n    pos = state.skipChars(pos, marker);\n\n    // closing code fence must be at least as long as the opening one\n    if (pos - mem < len) { continue; }\n\n    // make sure tail has spaces only\n    pos = state.skipSpaces(pos);\n\n    if (pos < max) { continue; }\n\n    haveEndMarker = true;\n    // found!\n    break;\n  }\n\n  // If a fence has heading spaces, they should be removed from its inner block\n  len = state.sCount[startLine];\n\n  state.line = nextLine + (haveEndMarker ? 1 : 0);\n\n  token         = state.push('fence', 'code', 0);\n  token.info    = params;\n  token.content = state.getLines(startLine + 1, nextLine, len, true);\n  token.markup  = markup;\n  token.map     = [ startLine, state.line ];\n\n  return true;\n};\n","// Block quotes\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nmodule.exports = function blockquote(state, startLine, endLine, silent) {\n  var adjustTab,\n      ch,\n      i,\n      initial,\n      l,\n      lastLineEmpty,\n      lines,\n      nextLine,\n      offset,\n      oldBMarks,\n      oldBSCount,\n      oldIndent,\n      oldParentType,\n      oldSCount,\n      oldTShift,\n      spaceAfterMarker,\n      terminate,\n      terminatorRules,\n      token,\n      wasOutdented,\n      oldLineMax = state.lineMax,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  // check the block quote marker\n  if (state.src.charCodeAt(pos++) !== 0x3E/* > */) { return false; }\n\n  // we know that it's going to be a valid blockquote,\n  // so no point trying to find the end of it in silent mode\n  if (silent) { return true; }\n\n  // skip spaces after \">\" and re-calculate offset\n  initial = offset = state.sCount[startLine] + pos - (state.bMarks[startLine] + state.tShift[startLine]);\n\n  // skip one optional space after '>'\n  if (state.src.charCodeAt(pos) === 0x20 /* space */) {\n    // ' >   test '\n    //     ^ -- position start of line here:\n    pos++;\n    initial++;\n    offset++;\n    adjustTab = false;\n    spaceAfterMarker = true;\n  } else if (state.src.charCodeAt(pos) === 0x09 /* tab */) {\n    spaceAfterMarker = true;\n\n    if ((state.bsCount[startLine] + offset) % 4 === 3) {\n      // '  >\\t  test '\n      //       ^ -- position start of line here (tab has width===1)\n      pos++;\n      initial++;\n      offset++;\n      adjustTab = false;\n    } else {\n      // ' >\\t  test '\n      //    ^ -- position start of line here + shift bsCount slightly\n      //         to make extra space appear\n      adjustTab = true;\n    }\n  } else {\n    spaceAfterMarker = false;\n  }\n\n  oldBMarks = [ state.bMarks[startLine] ];\n  state.bMarks[startLine] = pos;\n\n  while (pos < max) {\n    ch = state.src.charCodeAt(pos);\n\n    if (isSpace(ch)) {\n      if (ch === 0x09) {\n        offset += 4 - (offset + state.bsCount[startLine] + (adjustTab ? 1 : 0)) % 4;\n      } else {\n        offset++;\n      }\n    } else {\n      break;\n    }\n\n    pos++;\n  }\n\n  oldBSCount = [ state.bsCount[startLine] ];\n  state.bsCount[startLine] = state.sCount[startLine] + 1 + (spaceAfterMarker ? 1 : 0);\n\n  lastLineEmpty = pos >= max;\n\n  oldSCount = [ state.sCount[startLine] ];\n  state.sCount[startLine] = offset - initial;\n\n  oldTShift = [ state.tShift[startLine] ];\n  state.tShift[startLine] = pos - state.bMarks[startLine];\n\n  terminatorRules = state.md.block.ruler.getRules('blockquote');\n\n  oldParentType = state.parentType;\n  state.parentType = 'blockquote';\n  wasOutdented = false;\n\n  // Search the end of the block\n  //\n  // Block ends with either:\n  //  1. an empty line outside:\n  //     ```\n  //     > test\n  //\n  //     ```\n  //  2. an empty line inside:\n  //     ```\n  //     >\n  //     test\n  //     ```\n  //  3. another tag:\n  //     ```\n  //     > test\n  //      - - -\n  //     ```\n  for (nextLine = startLine + 1; nextLine < endLine; nextLine++) {\n    // check if it's outdented, i.e. it's inside list item and indented\n    // less than said list item:\n    //\n    // ```\n    // 1. anything\n    //    > current blockquote\n    // 2. checking this line\n    // ```\n    if (state.sCount[nextLine] < state.blkIndent) wasOutdented = true;\n\n    pos = state.bMarks[nextLine] + state.tShift[nextLine];\n    max = state.eMarks[nextLine];\n\n    if (pos >= max) {\n      // Case 1: line is not inside the blockquote, and this line is empty.\n      break;\n    }\n\n    if (state.src.charCodeAt(pos++) === 0x3E/* > */ && !wasOutdented) {\n      // This line is inside the blockquote.\n\n      // skip spaces after \">\" and re-calculate offset\n      initial = offset = state.sCount[nextLine] + pos - (state.bMarks[nextLine] + state.tShift[nextLine]);\n\n      // skip one optional space after '>'\n      if (state.src.charCodeAt(pos) === 0x20 /* space */) {\n        // ' >   test '\n        //     ^ -- position start of line here:\n        pos++;\n        initial++;\n        offset++;\n        adjustTab = false;\n        spaceAfterMarker = true;\n      } else if (state.src.charCodeAt(pos) === 0x09 /* tab */) {\n        spaceAfterMarker = true;\n\n        if ((state.bsCount[nextLine] + offset) % 4 === 3) {\n          // '  >\\t  test '\n          //       ^ -- position start of line here (tab has width===1)\n          pos++;\n          initial++;\n          offset++;\n          adjustTab = false;\n        } else {\n          // ' >\\t  test '\n          //    ^ -- position start of line here + shift bsCount slightly\n          //         to make extra space appear\n          adjustTab = true;\n        }\n      } else {\n        spaceAfterMarker = false;\n      }\n\n      oldBMarks.push(state.bMarks[nextLine]);\n      state.bMarks[nextLine] = pos;\n\n      while (pos < max) {\n        ch = state.src.charCodeAt(pos);\n\n        if (isSpace(ch)) {\n          if (ch === 0x09) {\n            offset += 4 - (offset + state.bsCount[nextLine] + (adjustTab ? 1 : 0)) % 4;\n          } else {\n            offset++;\n          }\n        } else {\n          break;\n        }\n\n        pos++;\n      }\n\n      lastLineEmpty = pos >= max;\n\n      oldBSCount.push(state.bsCount[nextLine]);\n      state.bsCount[nextLine] = state.sCount[nextLine] + 1 + (spaceAfterMarker ? 1 : 0);\n\n      oldSCount.push(state.sCount[nextLine]);\n      state.sCount[nextLine] = offset - initial;\n\n      oldTShift.push(state.tShift[nextLine]);\n      state.tShift[nextLine] = pos - state.bMarks[nextLine];\n      continue;\n    }\n\n    // Case 2: line is not inside the blockquote, and the last line was empty.\n    if (lastLineEmpty) { break; }\n\n    // Case 3: another tag found.\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n\n    if (terminate) {\n      // Quirk to enforce \"hard termination mode\" for paragraphs;\n      // normally if you call `tokenize(state, startLine, nextLine)`,\n      // paragraphs will look below nextLine for paragraph continuation,\n      // but if blockquote is terminated by another tag, they shouldn't\n      state.lineMax = nextLine;\n\n      if (state.blkIndent !== 0) {\n        // state.blkIndent was non-zero, we now set it to zero,\n        // so we need to re-calculate all offsets to appear as\n        // if indent wasn't changed\n        oldBMarks.push(state.bMarks[nextLine]);\n        oldBSCount.push(state.bsCount[nextLine]);\n        oldTShift.push(state.tShift[nextLine]);\n        oldSCount.push(state.sCount[nextLine]);\n        state.sCount[nextLine] -= state.blkIndent;\n      }\n\n      break;\n    }\n\n    oldBMarks.push(state.bMarks[nextLine]);\n    oldBSCount.push(state.bsCount[nextLine]);\n    oldTShift.push(state.tShift[nextLine]);\n    oldSCount.push(state.sCount[nextLine]);\n\n    // A negative indentation means that this is a paragraph continuation\n    //\n    state.sCount[nextLine] = -1;\n  }\n\n  oldIndent = state.blkIndent;\n  state.blkIndent = 0;\n\n  token        = state.push('blockquote_open', 'blockquote', 1);\n  token.markup = '>';\n  token.map    = lines = [ startLine, 0 ];\n\n  state.md.block.tokenize(state, startLine, nextLine);\n\n  token        = state.push('blockquote_close', 'blockquote', -1);\n  token.markup = '>';\n\n  state.lineMax = oldLineMax;\n  state.parentType = oldParentType;\n  lines[1] = state.line;\n\n  // Restore original tShift; this might not be necessary since the parser\n  // has already been here, but just to make sure we can do that.\n  for (i = 0; i < oldTShift.length; i++) {\n    state.bMarks[i + startLine] = oldBMarks[i];\n    state.tShift[i + startLine] = oldTShift[i];\n    state.sCount[i + startLine] = oldSCount[i];\n    state.bsCount[i + startLine] = oldBSCount[i];\n  }\n  state.blkIndent = oldIndent;\n\n  return true;\n};\n","// Horizontal rule\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nmodule.exports = function hr(state, startLine, endLine, silent) {\n  var marker, cnt, ch, token,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  marker = state.src.charCodeAt(pos++);\n\n  // Check hr marker\n  if (marker !== 0x2A/* * */ &&\n      marker !== 0x2D/* - */ &&\n      marker !== 0x5F/* _ */) {\n    return false;\n  }\n\n  // markers can be mixed with spaces, but there should be at least 3 of them\n\n  cnt = 1;\n  while (pos < max) {\n    ch = state.src.charCodeAt(pos++);\n    if (ch !== marker && !isSpace(ch)) { return false; }\n    if (ch === marker) { cnt++; }\n  }\n\n  if (cnt < 3) { return false; }\n\n  if (silent) { return true; }\n\n  state.line = startLine + 1;\n\n  token        = state.push('hr', 'hr', 0);\n  token.map    = [ startLine, state.line ];\n  token.markup = Array(cnt + 1).join(String.fromCharCode(marker));\n\n  return true;\n};\n","// Lists\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\n// Search `[-+*][\\n ]`, returns next pos after marker on success\n// or -1 on fail.\nfunction skipBulletListMarker(state, startLine) {\n  var marker, pos, max, ch;\n\n  pos = state.bMarks[startLine] + state.tShift[startLine];\n  max = state.eMarks[startLine];\n\n  marker = state.src.charCodeAt(pos++);\n  // Check bullet\n  if (marker !== 0x2A/* * */ &&\n      marker !== 0x2D/* - */ &&\n      marker !== 0x2B/* + */) {\n    return -1;\n  }\n\n  if (pos < max) {\n    ch = state.src.charCodeAt(pos);\n\n    if (!isSpace(ch)) {\n      // \" -test \" - is not a list item\n      return -1;\n    }\n  }\n\n  return pos;\n}\n\n// Search `\\d+[.)][\\n ]`, returns next pos after marker on success\n// or -1 on fail.\nfunction skipOrderedListMarker(state, startLine) {\n  var ch,\n      start = state.bMarks[startLine] + state.tShift[startLine],\n      pos = start,\n      max = state.eMarks[startLine];\n\n  // List marker should have at least 2 chars (digit + dot)\n  if (pos + 1 >= max) { return -1; }\n\n  ch = state.src.charCodeAt(pos++);\n\n  if (ch < 0x30/* 0 */ || ch > 0x39/* 9 */) { return -1; }\n\n  for (;;) {\n    // EOL -> fail\n    if (pos >= max) { return -1; }\n\n    ch = state.src.charCodeAt(pos++);\n\n    if (ch >= 0x30/* 0 */ && ch <= 0x39/* 9 */) {\n\n      // List marker should have no more than 9 digits\n      // (prevents integer overflow in browsers)\n      if (pos - start >= 10) { return -1; }\n\n      continue;\n    }\n\n    // found valid marker\n    if (ch === 0x29/* ) */ || ch === 0x2e/* . */) {\n      break;\n    }\n\n    return -1;\n  }\n\n\n  if (pos < max) {\n    ch = state.src.charCodeAt(pos);\n\n    if (!isSpace(ch)) {\n      // \" 1.test \" - is not a list item\n      return -1;\n    }\n  }\n  return pos;\n}\n\nfunction markTightParagraphs(state, idx) {\n  var i, l,\n      level = state.level + 2;\n\n  for (i = idx + 2, l = state.tokens.length - 2; i < l; i++) {\n    if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') {\n      state.tokens[i + 2].hidden = true;\n      state.tokens[i].hidden = true;\n      i += 2;\n    }\n  }\n}\n\n\nmodule.exports = function list(state, startLine, endLine, silent) {\n  var ch,\n      contentStart,\n      i,\n      indent,\n      indentAfterMarker,\n      initial,\n      isOrdered,\n      itemLines,\n      l,\n      listLines,\n      listTokIdx,\n      markerCharCode,\n      markerValue,\n      max,\n      nextLine,\n      offset,\n      oldListIndent,\n      oldParentType,\n      oldSCount,\n      oldTShift,\n      oldTight,\n      pos,\n      posAfterMarker,\n      prevEmptyEnd,\n      start,\n      terminate,\n      terminatorRules,\n      token,\n      isTerminatingParagraph = false,\n      tight = true;\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  // Special case:\n  //  - item 1\n  //   - item 2\n  //    - item 3\n  //     - item 4\n  //      - this one is a paragraph continuation\n  if (state.listIndent >= 0 &&\n      state.sCount[startLine] - state.listIndent >= 4 &&\n      state.sCount[startLine] < state.blkIndent) {\n    return false;\n  }\n\n  // limit conditions when list can interrupt\n  // a paragraph (validation mode only)\n  if (silent && state.parentType === 'paragraph') {\n    // Next list item should still terminate previous list item;\n    //\n    // This code can fail if plugins use blkIndent as well as lists,\n    // but I hope the spec gets fixed long before that happens.\n    //\n    if (state.tShift[startLine] >= state.blkIndent) {\n      isTerminatingParagraph = true;\n    }\n  }\n\n  // Detect list type and position after marker\n  if ((posAfterMarker = skipOrderedListMarker(state, startLine)) >= 0) {\n    isOrdered = true;\n    start = state.bMarks[startLine] + state.tShift[startLine];\n    markerValue = Number(state.src.substr(start, posAfterMarker - start - 1));\n\n    // If we're starting a new ordered list right after\n    // a paragraph, it should start with 1.\n    if (isTerminatingParagraph && markerValue !== 1) return false;\n\n  } else if ((posAfterMarker = skipBulletListMarker(state, startLine)) >= 0) {\n    isOrdered = false;\n\n  } else {\n    return false;\n  }\n\n  // If we're starting a new unordered list right after\n  // a paragraph, first line should not be empty.\n  if (isTerminatingParagraph) {\n    if (state.skipSpaces(posAfterMarker) >= state.eMarks[startLine]) return false;\n  }\n\n  // We should terminate list on style change. Remember first one to compare.\n  markerCharCode = state.src.charCodeAt(posAfterMarker - 1);\n\n  // For validation mode we can terminate immediately\n  if (silent) { return true; }\n\n  // Start list\n  listTokIdx = state.tokens.length;\n\n  if (isOrdered) {\n    token       = state.push('ordered_list_open', 'ol', 1);\n    if (markerValue !== 1) {\n      token.attrs = [ [ 'start', markerValue ] ];\n    }\n\n  } else {\n    token       = state.push('bullet_list_open', 'ul', 1);\n  }\n\n  token.map    = listLines = [ startLine, 0 ];\n  token.markup = String.fromCharCode(markerCharCode);\n\n  //\n  // Iterate list items\n  //\n\n  nextLine = startLine;\n  prevEmptyEnd = false;\n  terminatorRules = state.md.block.ruler.getRules('list');\n\n  oldParentType = state.parentType;\n  state.parentType = 'list';\n\n  while (nextLine < endLine) {\n    pos = posAfterMarker;\n    max = state.eMarks[nextLine];\n\n    initial = offset = state.sCount[nextLine] + posAfterMarker - (state.bMarks[startLine] + state.tShift[startLine]);\n\n    while (pos < max) {\n      ch = state.src.charCodeAt(pos);\n\n      if (ch === 0x09) {\n        offset += 4 - (offset + state.bsCount[nextLine]) % 4;\n      } else if (ch === 0x20) {\n        offset++;\n      } else {\n        break;\n      }\n\n      pos++;\n    }\n\n    contentStart = pos;\n\n    if (contentStart >= max) {\n      // trimming space in \"-    \\n  3\" case, indent is 1 here\n      indentAfterMarker = 1;\n    } else {\n      indentAfterMarker = offset - initial;\n    }\n\n    // If we have more than 4 spaces, the indent is 1\n    // (the rest is just indented code block)\n    if (indentAfterMarker > 4) { indentAfterMarker = 1; }\n\n    // \"  -  test\"\n    //  ^^^^^ - calculating total length of this thing\n    indent = initial + indentAfterMarker;\n\n    // Run subparser & write tokens\n    token        = state.push('list_item_open', 'li', 1);\n    token.markup = String.fromCharCode(markerCharCode);\n    token.map    = itemLines = [ startLine, 0 ];\n\n    // change current state, then restore it after parser subcall\n    oldTight = state.tight;\n    oldTShift = state.tShift[startLine];\n    oldSCount = state.sCount[startLine];\n\n    //  - example list\n    // ^ listIndent position will be here\n    //   ^ blkIndent position will be here\n    //\n    oldListIndent = state.listIndent;\n    state.listIndent = state.blkIndent;\n    state.blkIndent = indent;\n\n    state.tight = true;\n    state.tShift[startLine] = contentStart - state.bMarks[startLine];\n    state.sCount[startLine] = offset;\n\n    if (contentStart >= max && state.isEmpty(startLine + 1)) {\n      // workaround for this case\n      // (list item is empty, list terminates before \"foo\"):\n      // ~~~~~~~~\n      //   -\n      //\n      //     foo\n      // ~~~~~~~~\n      state.line = Math.min(state.line + 2, endLine);\n    } else {\n      state.md.block.tokenize(state, startLine, endLine, true);\n    }\n\n    // If any of list item is tight, mark list as tight\n    if (!state.tight || prevEmptyEnd) {\n      tight = false;\n    }\n    // Item become loose if finish with empty line,\n    // but we should filter last element, because it means list finish\n    prevEmptyEnd = (state.line - startLine) > 1 && state.isEmpty(state.line - 1);\n\n    state.blkIndent = state.listIndent;\n    state.listIndent = oldListIndent;\n    state.tShift[startLine] = oldTShift;\n    state.sCount[startLine] = oldSCount;\n    state.tight = oldTight;\n\n    token        = state.push('list_item_close', 'li', -1);\n    token.markup = String.fromCharCode(markerCharCode);\n\n    nextLine = startLine = state.line;\n    itemLines[1] = nextLine;\n    contentStart = state.bMarks[startLine];\n\n    if (nextLine >= endLine) { break; }\n\n    //\n    // Try to check if list is terminated or continued.\n    //\n    if (state.sCount[nextLine] < state.blkIndent) { break; }\n\n    // if it's indented more than 3 spaces, it should be a code block\n    if (state.sCount[startLine] - state.blkIndent >= 4) { break; }\n\n    // fail if terminating block found\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n    if (terminate) { break; }\n\n    // fail if list has another type\n    if (isOrdered) {\n      posAfterMarker = skipOrderedListMarker(state, nextLine);\n      if (posAfterMarker < 0) { break; }\n    } else {\n      posAfterMarker = skipBulletListMarker(state, nextLine);\n      if (posAfterMarker < 0) { break; }\n    }\n\n    if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) { break; }\n  }\n\n  // Finalize list\n  if (isOrdered) {\n    token = state.push('ordered_list_close', 'ol', -1);\n  } else {\n    token = state.push('bullet_list_close', 'ul', -1);\n  }\n  token.markup = String.fromCharCode(markerCharCode);\n\n  listLines[1] = nextLine;\n  state.line = nextLine;\n\n  state.parentType = oldParentType;\n\n  // mark paragraphs tight if needed\n  if (tight) {\n    markTightParagraphs(state, listTokIdx);\n  }\n\n  return true;\n};\n","'use strict';\n\n\nvar normalizeReference   = require('../common/utils').normalizeReference;\nvar isSpace              = require('../common/utils').isSpace;\n\n\nmodule.exports = function reference(state, startLine, _endLine, silent) {\n  var ch,\n      destEndPos,\n      destEndLineNo,\n      endLine,\n      href,\n      i,\n      l,\n      label,\n      labelEnd,\n      oldParentType,\n      res,\n      start,\n      str,\n      terminate,\n      terminatorRules,\n      title,\n      lines = 0,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine],\n      nextLine = startLine + 1;\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  if (state.src.charCodeAt(pos) !== 0x5B/* [ */) { return false; }\n\n  // Simple check to quickly interrupt scan on [link](url) at the start of line.\n  // Can be useful on practice: https://github.com/markdown-it/markdown-it/issues/54\n  while (++pos < max) {\n    if (state.src.charCodeAt(pos) === 0x5D /* ] */ &&\n        state.src.charCodeAt(pos - 1) !== 0x5C/* \\ */) {\n      if (pos + 1 === max) { return false; }\n      if (state.src.charCodeAt(pos + 1) !== 0x3A/* : */) { return false; }\n      break;\n    }\n  }\n\n  endLine = state.lineMax;\n\n  // jump line-by-line until empty one or EOF\n  terminatorRules = state.md.block.ruler.getRules('reference');\n\n  oldParentType = state.parentType;\n  state.parentType = 'reference';\n\n  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {\n    // this would be a code block normally, but after paragraph\n    // it's considered a lazy continuation regardless of what's there\n    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }\n\n    // quirk for blockquotes, this line should already be checked by that rule\n    if (state.sCount[nextLine] < 0) { continue; }\n\n    // Some tags can terminate paragraph without empty line.\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n    if (terminate) { break; }\n  }\n\n  str = state.getLines(startLine, nextLine, state.blkIndent, false).trim();\n  max = str.length;\n\n  for (pos = 1; pos < max; pos++) {\n    ch = str.charCodeAt(pos);\n    if (ch === 0x5B /* [ */) {\n      return false;\n    } else if (ch === 0x5D /* ] */) {\n      labelEnd = pos;\n      break;\n    } else if (ch === 0x0A /* \\n */) {\n      lines++;\n    } else if (ch === 0x5C /* \\ */) {\n      pos++;\n      if (pos < max && str.charCodeAt(pos) === 0x0A) {\n        lines++;\n      }\n    }\n  }\n\n  if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return false; }\n\n  // [label]:   destination   'title'\n  //         ^^^ skip optional whitespace here\n  for (pos = labelEnd + 2; pos < max; pos++) {\n    ch = str.charCodeAt(pos);\n    if (ch === 0x0A) {\n      lines++;\n    } else if (isSpace(ch)) {\n      /*eslint no-empty:0*/\n    } else {\n      break;\n    }\n  }\n\n  // [label]:   destination   'title'\n  //            ^^^^^^^^^^^ parse this\n  res = state.md.helpers.parseLinkDestination(str, pos, max);\n  if (!res.ok) { return false; }\n\n  href = state.md.normalizeLink(res.str);\n  if (!state.md.validateLink(href)) { return false; }\n\n  pos = res.pos;\n  lines += res.lines;\n\n  // save cursor state, we could require to rollback later\n  destEndPos = pos;\n  destEndLineNo = lines;\n\n  // [label]:   destination   'title'\n  //                       ^^^ skipping those spaces\n  start = pos;\n  for (; pos < max; pos++) {\n    ch = str.charCodeAt(pos);\n    if (ch === 0x0A) {\n      lines++;\n    } else if (isSpace(ch)) {\n      /*eslint no-empty:0*/\n    } else {\n      break;\n    }\n  }\n\n  // [label]:   destination   'title'\n  //                          ^^^^^^^ parse this\n  res = state.md.helpers.parseLinkTitle(str, pos, max);\n  if (pos < max && start !== pos && res.ok) {\n    title = res.str;\n    pos = res.pos;\n    lines += res.lines;\n  } else {\n    title = '';\n    pos = destEndPos;\n    lines = destEndLineNo;\n  }\n\n  // skip trailing spaces until the rest of the line\n  while (pos < max) {\n    ch = str.charCodeAt(pos);\n    if (!isSpace(ch)) { break; }\n    pos++;\n  }\n\n  if (pos < max && str.charCodeAt(pos) !== 0x0A) {\n    if (title) {\n      // garbage at the end of the line after title,\n      // but it could still be a valid reference if we roll back\n      title = '';\n      pos = destEndPos;\n      lines = destEndLineNo;\n      while (pos < max) {\n        ch = str.charCodeAt(pos);\n        if (!isSpace(ch)) { break; }\n        pos++;\n      }\n    }\n  }\n\n  if (pos < max && str.charCodeAt(pos) !== 0x0A) {\n    // garbage at the end of the line\n    return false;\n  }\n\n  label = normalizeReference(str.slice(1, labelEnd));\n  if (!label) {\n    // CommonMark 0.20 disallows empty labels\n    return false;\n  }\n\n  // Reference can not terminate anything. This check is for safety only.\n  /*istanbul ignore if*/\n  if (silent) { return true; }\n\n  if (typeof state.env.references === 'undefined') {\n    state.env.references = {};\n  }\n  if (typeof state.env.references[label] === 'undefined') {\n    state.env.references[label] = { title: title, href: href };\n  }\n\n  state.parentType = oldParentType;\n\n  state.line = startLine + lines + 1;\n  return true;\n};\n","// heading (#, ##, ...)\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nmodule.exports = function heading(state, startLine, endLine, silent) {\n  var ch, level, tmp, token,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  ch  = state.src.charCodeAt(pos);\n\n  if (ch !== 0x23/* # */ || pos >= max) { return false; }\n\n  // count heading level\n  level = 1;\n  ch = state.src.charCodeAt(++pos);\n  while (ch === 0x23/* # */ && pos < max && level <= 6) {\n    level++;\n    ch = state.src.charCodeAt(++pos);\n  }\n\n  if (level > 6 || (pos < max && !isSpace(ch))) { return false; }\n\n  if (silent) { return true; }\n\n  // Let's cut tails like '    ###  ' from the end of string\n\n  max = state.skipSpacesBack(max, pos);\n  tmp = state.skipCharsBack(max, 0x23, pos); // #\n  if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) {\n    max = tmp;\n  }\n\n  state.line = startLine + 1;\n\n  token        = state.push('heading_open', 'h' + String(level), 1);\n  token.markup = '########'.slice(0, level);\n  token.map    = [ startLine, state.line ];\n\n  token          = state.push('inline', '', 0);\n  token.content  = state.src.slice(pos, max).trim();\n  token.map      = [ startLine, state.line ];\n  token.children = [];\n\n  token        = state.push('heading_close', 'h' + String(level), -1);\n  token.markup = '########'.slice(0, level);\n\n  return true;\n};\n","// lheading (---, ===)\n\n'use strict';\n\n\nmodule.exports = function lheading(state, startLine, endLine/*, silent*/) {\n  var content, terminate, i, l, token, pos, max, level, marker,\n      nextLine = startLine + 1, oldParentType,\n      terminatorRules = state.md.block.ruler.getRules('paragraph');\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  oldParentType = state.parentType;\n  state.parentType = 'paragraph'; // use paragraph to match terminatorRules\n\n  // jump line-by-line until empty one or EOF\n  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {\n    // this would be a code block normally, but after paragraph\n    // it's considered a lazy continuation regardless of what's there\n    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }\n\n    //\n    // Check for underline in setext header\n    //\n    if (state.sCount[nextLine] >= state.blkIndent) {\n      pos = state.bMarks[nextLine] + state.tShift[nextLine];\n      max = state.eMarks[nextLine];\n\n      if (pos < max) {\n        marker = state.src.charCodeAt(pos);\n\n        if (marker === 0x2D/* - */ || marker === 0x3D/* = */) {\n          pos = state.skipChars(pos, marker);\n          pos = state.skipSpaces(pos);\n\n          if (pos >= max) {\n            level = (marker === 0x3D/* = */ ? 1 : 2);\n            break;\n          }\n        }\n      }\n    }\n\n    // quirk for blockquotes, this line should already be checked by that rule\n    if (state.sCount[nextLine] < 0) { continue; }\n\n    // Some tags can terminate paragraph without empty line.\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n    if (terminate) { break; }\n  }\n\n  if (!level) {\n    // Didn't find valid underline\n    return false;\n  }\n\n  content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();\n\n  state.line = nextLine + 1;\n\n  token          = state.push('heading_open', 'h' + String(level), 1);\n  token.markup   = String.fromCharCode(marker);\n  token.map      = [ startLine, state.line ];\n\n  token          = state.push('inline', '', 0);\n  token.content  = content;\n  token.map      = [ startLine, state.line - 1 ];\n  token.children = [];\n\n  token          = state.push('heading_close', 'h' + String(level), -1);\n  token.markup   = String.fromCharCode(marker);\n\n  state.parentType = oldParentType;\n\n  return true;\n};\n","// HTML block\n\n'use strict';\n\n\nvar block_names = require('../common/html_blocks');\nvar HTML_OPEN_CLOSE_TAG_RE = require('../common/html_re').HTML_OPEN_CLOSE_TAG_RE;\n\n// An array of opening and corresponding closing sequences for html tags,\n// last argument defines whether it can terminate a paragraph or not\n//\nvar HTML_SEQUENCES = [\n  [ /^<(script|pre|style)(?=(\\s|>|$))/i, /<\\/(script|pre|style)>/i, true ],\n  [ /^<!--/,        /-->/,   true ],\n  [ /^<\\?/,         /\\?>/,   true ],\n  [ /^<![A-Z]/,     />/,     true ],\n  [ /^<!\\[CDATA\\[/, /\\]\\]>/, true ],\n  [ new RegExp('^</?(' + block_names.join('|') + ')(?=(\\\\s|/?>|$))', 'i'), /^$/, true ],\n  [ new RegExp(HTML_OPEN_CLOSE_TAG_RE.source + '\\\\s*$'),  /^$/, false ]\n];\n\n\nmodule.exports = function html_block(state, startLine, endLine, silent) {\n  var i, nextLine, token, lineText,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  if (!state.md.options.html) { return false; }\n\n  if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }\n\n  lineText = state.src.slice(pos, max);\n\n  for (i = 0; i < HTML_SEQUENCES.length; i++) {\n    if (HTML_SEQUENCES[i][0].test(lineText)) { break; }\n  }\n\n  if (i === HTML_SEQUENCES.length) { return false; }\n\n  if (silent) {\n    // true if this sequence can be a terminator, false otherwise\n    return HTML_SEQUENCES[i][2];\n  }\n\n  nextLine = startLine + 1;\n\n  // If we are here - we detected HTML block.\n  // Let's roll down till block end.\n  if (!HTML_SEQUENCES[i][1].test(lineText)) {\n    for (; nextLine < endLine; nextLine++) {\n      if (state.sCount[nextLine] < state.blkIndent) { break; }\n\n      pos = state.bMarks[nextLine] + state.tShift[nextLine];\n      max = state.eMarks[nextLine];\n      lineText = state.src.slice(pos, max);\n\n      if (HTML_SEQUENCES[i][1].test(lineText)) {\n        if (lineText.length !== 0) { nextLine++; }\n        break;\n      }\n    }\n  }\n\n  state.line = nextLine;\n\n  token         = state.push('html_block', '', 0);\n  token.map     = [ startLine, nextLine ];\n  token.content = state.getLines(startLine, nextLine, state.blkIndent, true);\n\n  return true;\n};\n","// List of valid html blocks names, accorting to commonmark spec\n// http://jgm.github.io/CommonMark/spec.html#html-blocks\n\n'use strict';\n\n\nmodule.exports = [\n  'address',\n  'article',\n  'aside',\n  'base',\n  'basefont',\n  'blockquote',\n  'body',\n  'caption',\n  'center',\n  'col',\n  'colgroup',\n  'dd',\n  'details',\n  'dialog',\n  'dir',\n  'div',\n  'dl',\n  'dt',\n  'fieldset',\n  'figcaption',\n  'figure',\n  'footer',\n  'form',\n  'frame',\n  'frameset',\n  'h1',\n  'h2',\n  'h3',\n  'h4',\n  'h5',\n  'h6',\n  'head',\n  'header',\n  'hr',\n  'html',\n  'iframe',\n  'legend',\n  'li',\n  'link',\n  'main',\n  'menu',\n  'menuitem',\n  'meta',\n  'nav',\n  'noframes',\n  'ol',\n  'optgroup',\n  'option',\n  'p',\n  'param',\n  'section',\n  'source',\n  'summary',\n  'table',\n  'tbody',\n  'td',\n  'tfoot',\n  'th',\n  'thead',\n  'title',\n  'tr',\n  'track',\n  'ul'\n];\n","// Paragraph\n\n'use strict';\n\n\nmodule.exports = function paragraph(state, startLine/*, endLine*/) {\n  var content, terminate, i, l, token, oldParentType,\n      nextLine = startLine + 1,\n      terminatorRules = state.md.block.ruler.getRules('paragraph'),\n      endLine = state.lineMax;\n\n  oldParentType = state.parentType;\n  state.parentType = 'paragraph';\n\n  // jump line-by-line until empty one or EOF\n  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {\n    // this would be a code block normally, but after paragraph\n    // it's considered a lazy continuation regardless of what's there\n    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }\n\n    // quirk for blockquotes, this line should already be checked by that rule\n    if (state.sCount[nextLine] < 0) { continue; }\n\n    // Some tags can terminate paragraph without empty line.\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n    if (terminate) { break; }\n  }\n\n  content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();\n\n  state.line = nextLine;\n\n  token          = state.push('paragraph_open', 'p', 1);\n  token.map      = [ startLine, state.line ];\n\n  token          = state.push('inline', '', 0);\n  token.content  = content;\n  token.map      = [ startLine, state.line ];\n  token.children = [];\n\n  token          = state.push('paragraph_close', 'p', -1);\n\n  state.parentType = oldParentType;\n\n  return true;\n};\n","// Parser state class\n\n'use strict';\n\nvar Token = require('../token');\nvar isSpace = require('../common/utils').isSpace;\n\n\nfunction StateBlock(src, md, env, tokens) {\n  var ch, s, start, pos, len, indent, offset, indent_found;\n\n  this.src = src;\n\n  // link to parser instance\n  this.md     = md;\n\n  this.env = env;\n\n  //\n  // Internal state vartiables\n  //\n\n  this.tokens = tokens;\n\n  this.bMarks = [];  // line begin offsets for fast jumps\n  this.eMarks = [];  // line end offsets for fast jumps\n  this.tShift = [];  // offsets of the first non-space characters (tabs not expanded)\n  this.sCount = [];  // indents for each line (tabs expanded)\n\n  // An amount of virtual spaces (tabs expanded) between beginning\n  // of each line (bMarks) and real beginning of that line.\n  //\n  // It exists only as a hack because blockquotes override bMarks\n  // losing information in the process.\n  //\n  // It's used only when expanding tabs, you can think about it as\n  // an initial tab length, e.g. bsCount=21 applied to string `\\t123`\n  // means first tab should be expanded to 4-21%4 === 3 spaces.\n  //\n  this.bsCount = [];\n\n  // block parser variables\n  this.blkIndent  = 0; // required block content indent (for example, if we are\n                       // inside a list, it would be positioned after list marker)\n  this.line       = 0; // line index in src\n  this.lineMax    = 0; // lines count\n  this.tight      = false;  // loose/tight mode for lists\n  this.ddIndent   = -1; // indent of the current dd block (-1 if there isn't any)\n  this.listIndent = -1; // indent of the current list block (-1 if there isn't any)\n\n  // can be 'blockquote', 'list', 'root', 'paragraph' or 'reference'\n  // used in lists to determine if they interrupt a paragraph\n  this.parentType = 'root';\n\n  this.level = 0;\n\n  // renderer\n  this.result = '';\n\n  // Create caches\n  // Generate markers.\n  s = this.src;\n  indent_found = false;\n\n  for (start = pos = indent = offset = 0, len = s.length; pos < len; pos++) {\n    ch = s.charCodeAt(pos);\n\n    if (!indent_found) {\n      if (isSpace(ch)) {\n        indent++;\n\n        if (ch === 0x09) {\n          offset += 4 - offset % 4;\n        } else {\n          offset++;\n        }\n        continue;\n      } else {\n        indent_found = true;\n      }\n    }\n\n    if (ch === 0x0A || pos === len - 1) {\n      if (ch !== 0x0A) { pos++; }\n      this.bMarks.push(start);\n      this.eMarks.push(pos);\n      this.tShift.push(indent);\n      this.sCount.push(offset);\n      this.bsCount.push(0);\n\n      indent_found = false;\n      indent = 0;\n      offset = 0;\n      start = pos + 1;\n    }\n  }\n\n  // Push fake entry to simplify cache bounds checks\n  this.bMarks.push(s.length);\n  this.eMarks.push(s.length);\n  this.tShift.push(0);\n  this.sCount.push(0);\n  this.bsCount.push(0);\n\n  this.lineMax = this.bMarks.length - 1; // don't count last fake line\n}\n\n// Push new token to \"stream\".\n//\nStateBlock.prototype.push = function (type, tag, nesting) {\n  var token = new Token(type, tag, nesting);\n  token.block = true;\n\n  if (nesting < 0) this.level--; // closing tag\n  token.level = this.level;\n  if (nesting > 0) this.level++; // opening tag\n\n  this.tokens.push(token);\n  return token;\n};\n\nStateBlock.prototype.isEmpty = function isEmpty(line) {\n  return this.bMarks[line] + this.tShift[line] >= this.eMarks[line];\n};\n\nStateBlock.prototype.skipEmptyLines = function skipEmptyLines(from) {\n  for (var max = this.lineMax; from < max; from++) {\n    if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) {\n      break;\n    }\n  }\n  return from;\n};\n\n// Skip spaces from given position.\nStateBlock.prototype.skipSpaces = function skipSpaces(pos) {\n  var ch;\n\n  for (var max = this.src.length; pos < max; pos++) {\n    ch = this.src.charCodeAt(pos);\n    if (!isSpace(ch)) { break; }\n  }\n  return pos;\n};\n\n// Skip spaces from given position in reverse.\nStateBlock.prototype.skipSpacesBack = function skipSpacesBack(pos, min) {\n  if (pos <= min) { return pos; }\n\n  while (pos > min) {\n    if (!isSpace(this.src.charCodeAt(--pos))) { return pos + 1; }\n  }\n  return pos;\n};\n\n// Skip char codes from given position\nStateBlock.prototype.skipChars = function skipChars(pos, code) {\n  for (var max = this.src.length; pos < max; pos++) {\n    if (this.src.charCodeAt(pos) !== code) { break; }\n  }\n  return pos;\n};\n\n// Skip char codes reverse from given position - 1\nStateBlock.prototype.skipCharsBack = function skipCharsBack(pos, code, min) {\n  if (pos <= min) { return pos; }\n\n  while (pos > min) {\n    if (code !== this.src.charCodeAt(--pos)) { return pos + 1; }\n  }\n  return pos;\n};\n\n// cut lines range from source.\nStateBlock.prototype.getLines = function getLines(begin, end, indent, keepLastLF) {\n  var i, lineIndent, ch, first, last, queue, lineStart,\n      line = begin;\n\n  if (begin >= end) {\n    return '';\n  }\n\n  queue = new Array(end - begin);\n\n  for (i = 0; line < end; line++, i++) {\n    lineIndent = 0;\n    lineStart = first = this.bMarks[line];\n\n    if (line + 1 < end || keepLastLF) {\n      // No need for bounds check because we have fake entry on tail.\n      last = this.eMarks[line] + 1;\n    } else {\n      last = this.eMarks[line];\n    }\n\n    while (first < last && lineIndent < indent) {\n      ch = this.src.charCodeAt(first);\n\n      if (isSpace(ch)) {\n        if (ch === 0x09) {\n          lineIndent += 4 - (lineIndent + this.bsCount[line]) % 4;\n        } else {\n          lineIndent++;\n        }\n      } else if (first - lineStart < this.tShift[line]) {\n        // patched tShift masked characters to look like spaces (blockquotes, list markers)\n        lineIndent++;\n      } else {\n        break;\n      }\n\n      first++;\n    }\n\n    if (lineIndent > indent) {\n      // partially expanding tabs in code blocks, e.g '\\t\\tfoobar'\n      // with indent=2 becomes '  \\tfoobar'\n      queue[i] = new Array(lineIndent - indent + 1).join(' ') + this.src.slice(first, last);\n    } else {\n      queue[i] = this.src.slice(first, last);\n    }\n  }\n\n  return queue.join('');\n};\n\n// re-export Token class to use in block rules\nStateBlock.prototype.Token = Token;\n\n\nmodule.exports = StateBlock;\n","/** internal\n * class ParserInline\n *\n * Tokenizes paragraph content.\n **/\n'use strict';\n\n\nvar Ruler           = require('./ruler');\n\n\n////////////////////////////////////////////////////////////////////////////////\n// Parser rules\n\nvar _rules = [\n  [ 'text',            require('./rules_inline/text') ],\n  [ 'newline',         require('./rules_inline/newline') ],\n  [ 'escape',          require('./rules_inline/escape') ],\n  [ 'backticks',       require('./rules_inline/backticks') ],\n  [ 'strikethrough',   require('./rules_inline/strikethrough').tokenize ],\n  [ 'emphasis',        require('./rules_inline/emphasis').tokenize ],\n  [ 'link',            require('./rules_inline/link') ],\n  [ 'image',           require('./rules_inline/image') ],\n  [ 'autolink',        require('./rules_inline/autolink') ],\n  [ 'html_inline',     require('./rules_inline/html_inline') ],\n  [ 'entity',          require('./rules_inline/entity') ]\n];\n\nvar _rules2 = [\n  [ 'balance_pairs',   require('./rules_inline/balance_pairs') ],\n  [ 'strikethrough',   require('./rules_inline/strikethrough').postProcess ],\n  [ 'emphasis',        require('./rules_inline/emphasis').postProcess ],\n  [ 'text_collapse',   require('./rules_inline/text_collapse') ]\n];\n\n\n/**\n * new ParserInline()\n **/\nfunction ParserInline() {\n  var i;\n\n  /**\n   * ParserInline#ruler -> Ruler\n   *\n   * [[Ruler]] instance. Keep configuration of inline rules.\n   **/\n  this.ruler = new Ruler();\n\n  for (i = 0; i < _rules.length; i++) {\n    this.ruler.push(_rules[i][0], _rules[i][1]);\n  }\n\n  /**\n   * ParserInline#ruler2 -> Ruler\n   *\n   * [[Ruler]] instance. Second ruler used for post-processing\n   * (e.g. in emphasis-like rules).\n   **/\n  this.ruler2 = new Ruler();\n\n  for (i = 0; i < _rules2.length; i++) {\n    this.ruler2.push(_rules2[i][0], _rules2[i][1]);\n  }\n}\n\n\n// Skip single token by running all rules in validation mode;\n// returns `true` if any rule reported success\n//\nParserInline.prototype.skipToken = function (state) {\n  var ok, i, pos = state.pos,\n      rules = this.ruler.getRules(''),\n      len = rules.length,\n      maxNesting = state.md.options.maxNesting,\n      cache = state.cache;\n\n\n  if (typeof cache[pos] !== 'undefined') {\n    state.pos = cache[pos];\n    return;\n  }\n\n  if (state.level < maxNesting) {\n    for (i = 0; i < len; i++) {\n      // Increment state.level and decrement it later to limit recursion.\n      // It's harmless to do here, because no tokens are created. But ideally,\n      // we'd need a separate private state variable for this purpose.\n      //\n      state.level++;\n      ok = rules[i](state, true);\n      state.level--;\n\n      if (ok) { break; }\n    }\n  } else {\n    // Too much nesting, just skip until the end of the paragraph.\n    //\n    // NOTE: this will cause links to behave incorrectly in the following case,\n    //       when an amount of `[` is exactly equal to `maxNesting + 1`:\n    //\n    //       [[[[[[[[[[[[[[[[[[[[[foo]()\n    //\n    // TODO: remove this workaround when CM standard will allow nested links\n    //       (we can replace it by preventing links from being parsed in\n    //       validation mode)\n    //\n    state.pos = state.posMax;\n  }\n\n  if (!ok) { state.pos++; }\n  cache[pos] = state.pos;\n};\n\n\n// Generate tokens for input range\n//\nParserInline.prototype.tokenize = function (state) {\n  var ok, i,\n      rules = this.ruler.getRules(''),\n      len = rules.length,\n      end = state.posMax,\n      maxNesting = state.md.options.maxNesting;\n\n  while (state.pos < end) {\n    // Try all possible rules.\n    // On success, rule should:\n    //\n    // - update `state.pos`\n    // - update `state.tokens`\n    // - return true\n\n    if (state.level < maxNesting) {\n      for (i = 0; i < len; i++) {\n        ok = rules[i](state, false);\n        if (ok) { break; }\n      }\n    }\n\n    if (ok) {\n      if (state.pos >= end) { break; }\n      continue;\n    }\n\n    state.pending += state.src[state.pos++];\n  }\n\n  if (state.pending) {\n    state.pushPending();\n  }\n};\n\n\n/**\n * ParserInline.parse(str, md, env, outTokens)\n *\n * Process input string and push inline tokens into `outTokens`\n **/\nParserInline.prototype.parse = function (str, md, env, outTokens) {\n  var i, rules, len;\n  var state = new this.State(str, md, env, outTokens);\n\n  this.tokenize(state);\n\n  rules = this.ruler2.getRules('');\n  len = rules.length;\n\n  for (i = 0; i < len; i++) {\n    rules[i](state);\n  }\n};\n\n\nParserInline.prototype.State = require('./rules_inline/state_inline');\n\n\nmodule.exports = ParserInline;\n","// Skip text characters for text token, place those to pending buffer\n// and increment current pos\n\n'use strict';\n\n\n// Rule to skip pure text\n// '{}$%@~+=:' reserved for extentions\n\n// !, \", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \\, ], ^, _, `, {, |, }, or ~\n\n// !!!! Don't confuse with \"Markdown ASCII Punctuation\" chars\n// http://spec.commonmark.org/0.15/#ascii-punctuation-character\nfunction isTerminatorChar(ch) {\n  switch (ch) {\n    case 0x0A/* \\n */:\n    case 0x21/* ! */:\n    case 0x23/* # */:\n    case 0x24/* $ */:\n    case 0x25/* % */:\n    case 0x26/* & */:\n    case 0x2A/* * */:\n    case 0x2B/* + */:\n    case 0x2D/* - */:\n    case 0x3A/* : */:\n    case 0x3C/* < */:\n    case 0x3D/* = */:\n    case 0x3E/* > */:\n    case 0x40/* @ */:\n    case 0x5B/* [ */:\n    case 0x5C/* \\ */:\n    case 0x5D/* ] */:\n    case 0x5E/* ^ */:\n    case 0x5F/* _ */:\n    case 0x60/* ` */:\n    case 0x7B/* { */:\n    case 0x7D/* } */:\n    case 0x7E/* ~ */:\n      return true;\n    default:\n      return false;\n  }\n}\n\nmodule.exports = function text(state, silent) {\n  var pos = state.pos;\n\n  while (pos < state.posMax && !isTerminatorChar(state.src.charCodeAt(pos))) {\n    pos++;\n  }\n\n  if (pos === state.pos) { return false; }\n\n  if (!silent) { state.pending += state.src.slice(state.pos, pos); }\n\n  state.pos = pos;\n\n  return true;\n};\n\n// Alternative implementation, for memory.\n//\n// It costs 10% of performance, but allows extend terminators list, if place it\n// to `ParcerInline` property. Probably, will switch to it sometime, such\n// flexibility required.\n\n/*\nvar TERMINATOR_RE = /[\\n!#$%&*+\\-:<=>@[\\\\\\]^_`{}~]/;\n\nmodule.exports = function text(state, silent) {\n  var pos = state.pos,\n      idx = state.src.slice(pos).search(TERMINATOR_RE);\n\n  // first char is terminator -> empty text\n  if (idx === 0) { return false; }\n\n  // no terminator -> text till end of string\n  if (idx < 0) {\n    if (!silent) { state.pending += state.src.slice(pos); }\n    state.pos = state.src.length;\n    return true;\n  }\n\n  if (!silent) { state.pending += state.src.slice(pos, pos + idx); }\n\n  state.pos += idx;\n\n  return true;\n};*/\n","// Proceess '\\n'\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nmodule.exports = function newline(state, silent) {\n  var pmax, max, pos = state.pos;\n\n  if (state.src.charCodeAt(pos) !== 0x0A/* \\n */) { return false; }\n\n  pmax = state.pending.length - 1;\n  max = state.posMax;\n\n  // '  \\n' -> hardbreak\n  // Lookup in pending chars is bad practice! Don't copy to other rules!\n  // Pending string is stored in concat mode, indexed lookups will cause\n  // convertion to flat mode.\n  if (!silent) {\n    if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) {\n      if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) {\n        state.pending = state.pending.replace(/ +$/, '');\n        state.push('hardbreak', 'br', 0);\n      } else {\n        state.pending = state.pending.slice(0, -1);\n        state.push('softbreak', 'br', 0);\n      }\n\n    } else {\n      state.push('softbreak', 'br', 0);\n    }\n  }\n\n  pos++;\n\n  // skip heading spaces for next line\n  while (pos < max && isSpace(state.src.charCodeAt(pos))) { pos++; }\n\n  state.pos = pos;\n  return true;\n};\n","// Process escaped chars and hardbreaks\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\nvar ESCAPED = [];\n\nfor (var i = 0; i < 256; i++) { ESCAPED.push(0); }\n\n'\\\\!\"#$%&\\'()*+,./:;<=>?@[]^_`{|}~-'\n  .split('').forEach(function (ch) { ESCAPED[ch.charCodeAt(0)] = 1; });\n\n\nmodule.exports = function escape(state, silent) {\n  var ch, pos = state.pos, max = state.posMax;\n\n  if (state.src.charCodeAt(pos) !== 0x5C/* \\ */) { return false; }\n\n  pos++;\n\n  if (pos < max) {\n    ch = state.src.charCodeAt(pos);\n\n    if (ch < 256 && ESCAPED[ch] !== 0) {\n      if (!silent) { state.pending += state.src[pos]; }\n      state.pos += 2;\n      return true;\n    }\n\n    if (ch === 0x0A) {\n      if (!silent) {\n        state.push('hardbreak', 'br', 0);\n      }\n\n      pos++;\n      // skip leading whitespaces from next line\n      while (pos < max) {\n        ch = state.src.charCodeAt(pos);\n        if (!isSpace(ch)) { break; }\n        pos++;\n      }\n\n      state.pos = pos;\n      return true;\n    }\n  }\n\n  if (!silent) { state.pending += '\\\\'; }\n  state.pos++;\n  return true;\n};\n","// Parse backticks\n\n'use strict';\n\nmodule.exports = function backtick(state, silent) {\n  var start, max, marker, matchStart, matchEnd, token,\n      pos = state.pos,\n      ch = state.src.charCodeAt(pos);\n\n  if (ch !== 0x60/* ` */) { return false; }\n\n  start = pos;\n  pos++;\n  max = state.posMax;\n\n  while (pos < max && state.src.charCodeAt(pos) === 0x60/* ` */) { pos++; }\n\n  marker = state.src.slice(start, pos);\n\n  matchStart = matchEnd = pos;\n\n  while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) {\n    matchEnd = matchStart + 1;\n\n    while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60/* ` */) { matchEnd++; }\n\n    if (matchEnd - matchStart === marker.length) {\n      if (!silent) {\n        token         = state.push('code_inline', 'code', 0);\n        token.markup  = marker;\n        token.content = state.src.slice(pos, matchStart)\n          .replace(/\\n/g, ' ')\n          .replace(/^ (.+) $/, '$1');\n      }\n      state.pos = matchEnd;\n      return true;\n    }\n  }\n\n  if (!silent) { state.pending += marker; }\n  state.pos += marker.length;\n  return true;\n};\n","// Process [link](<to> \"stuff\")\n\n'use strict';\n\nvar normalizeReference   = require('../common/utils').normalizeReference;\nvar isSpace              = require('../common/utils').isSpace;\n\n\nmodule.exports = function link(state, silent) {\n  var attrs,\n      code,\n      label,\n      labelEnd,\n      labelStart,\n      pos,\n      res,\n      ref,\n      title,\n      token,\n      href = '',\n      oldPos = state.pos,\n      max = state.posMax,\n      start = state.pos,\n      parseReference = true;\n\n  if (state.src.charCodeAt(state.pos) !== 0x5B/* [ */) { return false; }\n\n  labelStart = state.pos + 1;\n  labelEnd = state.md.helpers.parseLinkLabel(state, state.pos, true);\n\n  // parser failed to find ']', so it's not a valid link\n  if (labelEnd < 0) { return false; }\n\n  pos = labelEnd + 1;\n  if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) {\n    //\n    // Inline link\n    //\n\n    // might have found a valid shortcut link, disable reference parsing\n    parseReference = false;\n\n    // [link](  <href>  \"title\"  )\n    //        ^^ skipping these spaces\n    pos++;\n    for (; pos < max; pos++) {\n      code = state.src.charCodeAt(pos);\n      if (!isSpace(code) && code !== 0x0A) { break; }\n    }\n    if (pos >= max) { return false; }\n\n    // [link](  <href>  \"title\"  )\n    //          ^^^^^^ parsing link destination\n    start = pos;\n    res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);\n    if (res.ok) {\n      href = state.md.normalizeLink(res.str);\n      if (state.md.validateLink(href)) {\n        pos = res.pos;\n      } else {\n        href = '';\n      }\n    }\n\n    // [link](  <href>  \"title\"  )\n    //                ^^ skipping these spaces\n    start = pos;\n    for (; pos < max; pos++) {\n      code = state.src.charCodeAt(pos);\n      if (!isSpace(code) && code !== 0x0A) { break; }\n    }\n\n    // [link](  <href>  \"title\"  )\n    //                  ^^^^^^^ parsing link title\n    res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);\n    if (pos < max && start !== pos && res.ok) {\n      title = res.str;\n      pos = res.pos;\n\n      // [link](  <href>  \"title\"  )\n      //                         ^^ skipping these spaces\n      for (; pos < max; pos++) {\n        code = state.src.charCodeAt(pos);\n        if (!isSpace(code) && code !== 0x0A) { break; }\n      }\n    } else {\n      title = '';\n    }\n\n    if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {\n      // parsing a valid shortcut link failed, fallback to reference\n      parseReference = true;\n    }\n    pos++;\n  }\n\n  if (parseReference) {\n    //\n    // Link reference\n    //\n    if (typeof state.env.references === 'undefined') { return false; }\n\n    if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {\n      start = pos + 1;\n      pos = state.md.helpers.parseLinkLabel(state, pos);\n      if (pos >= 0) {\n        label = state.src.slice(start, pos++);\n      } else {\n        pos = labelEnd + 1;\n      }\n    } else {\n      pos = labelEnd + 1;\n    }\n\n    // covers label === '' and label === undefined\n    // (collapsed reference link and shortcut reference link respectively)\n    if (!label) { label = state.src.slice(labelStart, labelEnd); }\n\n    ref = state.env.references[normalizeReference(label)];\n    if (!ref) {\n      state.pos = oldPos;\n      return false;\n    }\n    href = ref.href;\n    title = ref.title;\n  }\n\n  //\n  // We found the end of the link, and know for a fact it's a valid link;\n  // so all that's left to do is to call tokenizer.\n  //\n  if (!silent) {\n    state.pos = labelStart;\n    state.posMax = labelEnd;\n\n    token        = state.push('link_open', 'a', 1);\n    token.attrs  = attrs = [ [ 'href', href ] ];\n    if (title) {\n      attrs.push([ 'title', title ]);\n    }\n\n    state.md.inline.tokenize(state);\n\n    token        = state.push('link_close', 'a', -1);\n  }\n\n  state.pos = pos;\n  state.posMax = max;\n  return true;\n};\n","// Process ![image](<src> \"title\")\n\n'use strict';\n\nvar normalizeReference   = require('../common/utils').normalizeReference;\nvar isSpace              = require('../common/utils').isSpace;\n\n\nmodule.exports = function image(state, silent) {\n  var attrs,\n      code,\n      content,\n      label,\n      labelEnd,\n      labelStart,\n      pos,\n      ref,\n      res,\n      title,\n      token,\n      tokens,\n      start,\n      href = '',\n      oldPos = state.pos,\n      max = state.posMax;\n\n  if (state.src.charCodeAt(state.pos) !== 0x21/* ! */) { return false; }\n  if (state.src.charCodeAt(state.pos + 1) !== 0x5B/* [ */) { return false; }\n\n  labelStart = state.pos + 2;\n  labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, false);\n\n  // parser failed to find ']', so it's not a valid link\n  if (labelEnd < 0) { return false; }\n\n  pos = labelEnd + 1;\n  if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) {\n    //\n    // Inline link\n    //\n\n    // [link](  <href>  \"title\"  )\n    //        ^^ skipping these spaces\n    pos++;\n    for (; pos < max; pos++) {\n      code = state.src.charCodeAt(pos);\n      if (!isSpace(code) && code !== 0x0A) { break; }\n    }\n    if (pos >= max) { return false; }\n\n    // [link](  <href>  \"title\"  )\n    //          ^^^^^^ parsing link destination\n    start = pos;\n    res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);\n    if (res.ok) {\n      href = state.md.normalizeLink(res.str);\n      if (state.md.validateLink(href)) {\n        pos = res.pos;\n      } else {\n        href = '';\n      }\n    }\n\n    // [link](  <href>  \"title\"  )\n    //                ^^ skipping these spaces\n    start = pos;\n    for (; pos < max; pos++) {\n      code = state.src.charCodeAt(pos);\n      if (!isSpace(code) && code !== 0x0A) { break; }\n    }\n\n    // [link](  <href>  \"title\"  )\n    //                  ^^^^^^^ parsing link title\n    res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);\n    if (pos < max && start !== pos && res.ok) {\n      title = res.str;\n      pos = res.pos;\n\n      // [link](  <href>  \"title\"  )\n      //                         ^^ skipping these spaces\n      for (; pos < max; pos++) {\n        code = state.src.charCodeAt(pos);\n        if (!isSpace(code) && code !== 0x0A) { break; }\n      }\n    } else {\n      title = '';\n    }\n\n    if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {\n      state.pos = oldPos;\n      return false;\n    }\n    pos++;\n  } else {\n    //\n    // Link reference\n    //\n    if (typeof state.env.references === 'undefined') { return false; }\n\n    if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {\n      start = pos + 1;\n      pos = state.md.helpers.parseLinkLabel(state, pos);\n      if (pos >= 0) {\n        label = state.src.slice(start, pos++);\n      } else {\n        pos = labelEnd + 1;\n      }\n    } else {\n      pos = labelEnd + 1;\n    }\n\n    // covers label === '' and label === undefined\n    // (collapsed reference link and shortcut reference link respectively)\n    if (!label) { label = state.src.slice(labelStart, labelEnd); }\n\n    ref = state.env.references[normalizeReference(label)];\n    if (!ref) {\n      state.pos = oldPos;\n      return false;\n    }\n    href = ref.href;\n    title = ref.title;\n  }\n\n  //\n  // We found the end of the link, and know for a fact it's a valid link;\n  // so all that's left to do is to call tokenizer.\n  //\n  if (!silent) {\n    content = state.src.slice(labelStart, labelEnd);\n\n    state.md.inline.parse(\n      content,\n      state.md,\n      state.env,\n      tokens = []\n    );\n\n    token          = state.push('image', 'img', 0);\n    token.attrs    = attrs = [ [ 'src', href ], [ 'alt', '' ] ];\n    token.children = tokens;\n    token.content  = content;\n\n    if (title) {\n      attrs.push([ 'title', title ]);\n    }\n  }\n\n  state.pos = pos;\n  state.posMax = max;\n  return true;\n};\n","// Process autolinks '<protocol:...>'\n\n'use strict';\n\n\n/*eslint max-len:0*/\nvar EMAIL_RE    = /^<([a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/;\nvar AUTOLINK_RE = /^<([a-zA-Z][a-zA-Z0-9+.\\-]{1,31}):([^<>\\x00-\\x20]*)>/;\n\n\nmodule.exports = function autolink(state, silent) {\n  var tail, linkMatch, emailMatch, url, fullUrl, token,\n      pos = state.pos;\n\n  if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }\n\n  tail = state.src.slice(pos);\n\n  if (tail.indexOf('>') < 0) { return false; }\n\n  if (AUTOLINK_RE.test(tail)) {\n    linkMatch = tail.match(AUTOLINK_RE);\n\n    url = linkMatch[0].slice(1, -1);\n    fullUrl = state.md.normalizeLink(url);\n    if (!state.md.validateLink(fullUrl)) { return false; }\n\n    if (!silent) {\n      token         = state.push('link_open', 'a', 1);\n      token.attrs   = [ [ 'href', fullUrl ] ];\n      token.markup  = 'autolink';\n      token.info    = 'auto';\n\n      token         = state.push('text', '', 0);\n      token.content = state.md.normalizeLinkText(url);\n\n      token         = state.push('link_close', 'a', -1);\n      token.markup  = 'autolink';\n      token.info    = 'auto';\n    }\n\n    state.pos += linkMatch[0].length;\n    return true;\n  }\n\n  if (EMAIL_RE.test(tail)) {\n    emailMatch = tail.match(EMAIL_RE);\n\n    url = emailMatch[0].slice(1, -1);\n    fullUrl = state.md.normalizeLink('mailto:' + url);\n    if (!state.md.validateLink(fullUrl)) { return false; }\n\n    if (!silent) {\n      token         = state.push('link_open', 'a', 1);\n      token.attrs   = [ [ 'href', fullUrl ] ];\n      token.markup  = 'autolink';\n      token.info    = 'auto';\n\n      token         = state.push('text', '', 0);\n      token.content = state.md.normalizeLinkText(url);\n\n      token         = state.push('link_close', 'a', -1);\n      token.markup  = 'autolink';\n      token.info    = 'auto';\n    }\n\n    state.pos += emailMatch[0].length;\n    return true;\n  }\n\n  return false;\n};\n","// Process html tags\n\n'use strict';\n\n\nvar HTML_TAG_RE = require('../common/html_re').HTML_TAG_RE;\n\n\nfunction isLetter(ch) {\n  /*eslint no-bitwise:0*/\n  var lc = ch | 0x20; // to lower case\n  return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */);\n}\n\n\nmodule.exports = function html_inline(state, silent) {\n  var ch, match, max, token,\n      pos = state.pos;\n\n  if (!state.md.options.html) { return false; }\n\n  // Check start\n  max = state.posMax;\n  if (state.src.charCodeAt(pos) !== 0x3C/* < */ ||\n      pos + 2 >= max) {\n    return false;\n  }\n\n  // Quick fail on second char\n  ch = state.src.charCodeAt(pos + 1);\n  if (ch !== 0x21/* ! */ &&\n      ch !== 0x3F/* ? */ &&\n      ch !== 0x2F/* / */ &&\n      !isLetter(ch)) {\n    return false;\n  }\n\n  match = state.src.slice(pos).match(HTML_TAG_RE);\n  if (!match) { return false; }\n\n  if (!silent) {\n    token         = state.push('html_inline', '', 0);\n    token.content = state.src.slice(pos, pos + match[0].length);\n  }\n  state.pos += match[0].length;\n  return true;\n};\n","// Process html entity - &#123;, &#xAF;, &quot;, ...\n\n'use strict';\n\nvar entities          = require('../common/entities');\nvar has               = require('../common/utils').has;\nvar isValidEntityCode = require('../common/utils').isValidEntityCode;\nvar fromCodePoint     = require('../common/utils').fromCodePoint;\n\n\nvar DIGITAL_RE = /^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));/i;\nvar NAMED_RE   = /^&([a-z][a-z0-9]{1,31});/i;\n\n\nmodule.exports = function entity(state, silent) {\n  var ch, code, match, pos = state.pos, max = state.posMax;\n\n  if (state.src.charCodeAt(pos) !== 0x26/* & */) { return false; }\n\n  if (pos + 1 < max) {\n    ch = state.src.charCodeAt(pos + 1);\n\n    if (ch === 0x23 /* # */) {\n      match = state.src.slice(pos).match(DIGITAL_RE);\n      if (match) {\n        if (!silent) {\n          code = match[1][0].toLowerCase() === 'x' ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10);\n          state.pending += isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(0xFFFD);\n        }\n        state.pos += match[0].length;\n        return true;\n      }\n    } else {\n      match = state.src.slice(pos).match(NAMED_RE);\n      if (match) {\n        if (has(entities, match[1])) {\n          if (!silent) { state.pending += entities[match[1]]; }\n          state.pos += match[0].length;\n          return true;\n        }\n      }\n    }\n  }\n\n  if (!silent) { state.pending += '&'; }\n  state.pos++;\n  return true;\n};\n","// For each opening emphasis-like marker find a matching closing one\n//\n'use strict';\n\n\nfunction processDelimiters(state, delimiters) {\n  var closerIdx, openerIdx, closer, opener, minOpenerIdx, newMinOpenerIdx,\n      isOddMatch, lastJump,\n      openersBottom = {},\n      max = delimiters.length;\n\n  for (closerIdx = 0; closerIdx < max; closerIdx++) {\n    closer = delimiters[closerIdx];\n\n    // Length is only used for emphasis-specific \"rule of 3\",\n    // if it's not defined (in strikethrough or 3rd party plugins),\n    // we can default it to 0 to disable those checks.\n    //\n    closer.length = closer.length || 0;\n\n    if (!closer.close) continue;\n\n    // Previously calculated lower bounds (previous fails)\n    // for each marker and each delimiter length modulo 3.\n    if (!openersBottom.hasOwnProperty(closer.marker)) {\n      openersBottom[closer.marker] = [ -1, -1, -1 ];\n    }\n\n    minOpenerIdx = openersBottom[closer.marker][closer.length % 3];\n    newMinOpenerIdx = -1;\n\n    openerIdx = closerIdx - closer.jump - 1;\n\n    for (; openerIdx > minOpenerIdx; openerIdx -= opener.jump + 1) {\n      opener = delimiters[openerIdx];\n\n      if (opener.marker !== closer.marker) continue;\n\n      if (newMinOpenerIdx === -1) newMinOpenerIdx = openerIdx;\n\n      if (opener.open &&\n          opener.end < 0 &&\n          opener.level === closer.level) {\n\n        isOddMatch = false;\n\n        // from spec:\n        //\n        // If one of the delimiters can both open and close emphasis, then the\n        // sum of the lengths of the delimiter runs containing the opening and\n        // closing delimiters must not be a multiple of 3 unless both lengths\n        // are multiples of 3.\n        //\n        if (opener.close || closer.open) {\n          if ((opener.length + closer.length) % 3 === 0) {\n            if (opener.length % 3 !== 0 || closer.length % 3 !== 0) {\n              isOddMatch = true;\n            }\n          }\n        }\n\n        if (!isOddMatch) {\n          // If previous delimiter cannot be an opener, we can safely skip\n          // the entire sequence in future checks. This is required to make\n          // sure algorithm has linear complexity (see *_*_*_*_*_... case).\n          //\n          lastJump = openerIdx > 0 && !delimiters[openerIdx - 1].open ?\n            delimiters[openerIdx - 1].jump + 1 :\n            0;\n\n          closer.jump  = closerIdx - openerIdx + lastJump;\n          closer.open  = false;\n          opener.end   = closerIdx;\n          opener.jump  = lastJump;\n          opener.close = false;\n          newMinOpenerIdx = -1;\n          break;\n        }\n      }\n    }\n\n    if (newMinOpenerIdx !== -1) {\n      // If match for this delimiter run failed, we want to set lower bound for\n      // future lookups. This is required to make sure algorithm has linear\n      // complexity.\n      //\n      // See details here:\n      // https://github.com/commonmark/cmark/issues/178#issuecomment-270417442\n      //\n      openersBottom[closer.marker][(closer.length || 0) % 3] = newMinOpenerIdx;\n    }\n  }\n}\n\n\nmodule.exports = function link_pairs(state) {\n  var curr,\n      tokens_meta = state.tokens_meta,\n      max = state.tokens_meta.length;\n\n  processDelimiters(state, state.delimiters);\n\n  for (curr = 0; curr < max; curr++) {\n    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {\n      processDelimiters(state, tokens_meta[curr].delimiters);\n    }\n  }\n};\n","// Clean up tokens after emphasis and strikethrough postprocessing:\n// merge adjacent text nodes into one and re-calculate all token levels\n//\n// This is necessary because initially emphasis delimiter markers (*, _, ~)\n// are treated as their own separate text tokens. Then emphasis rule either\n// leaves them as text (needed to merge with adjacent text) or turns them\n// into opening/closing tags (which messes up levels inside).\n//\n'use strict';\n\n\nmodule.exports = function text_collapse(state) {\n  var curr, last,\n      level = 0,\n      tokens = state.tokens,\n      max = state.tokens.length;\n\n  for (curr = last = 0; curr < max; curr++) {\n    // re-calculate levels after emphasis/strikethrough turns some text nodes\n    // into opening/closing tags\n    if (tokens[curr].nesting < 0) level--; // closing tag\n    tokens[curr].level = level;\n    if (tokens[curr].nesting > 0) level++; // opening tag\n\n    if (tokens[curr].type === 'text' &&\n        curr + 1 < max &&\n        tokens[curr + 1].type === 'text') {\n\n      // collapse two adjacent text nodes\n      tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;\n    } else {\n      if (curr !== last) { tokens[last] = tokens[curr]; }\n\n      last++;\n    }\n  }\n\n  if (curr !== last) {\n    tokens.length = last;\n  }\n};\n","// Inline parser state\n\n'use strict';\n\n\nvar Token          = require('../token');\nvar isWhiteSpace   = require('../common/utils').isWhiteSpace;\nvar isPunctChar    = require('../common/utils').isPunctChar;\nvar isMdAsciiPunct = require('../common/utils').isMdAsciiPunct;\n\n\nfunction StateInline(src, md, env, outTokens) {\n  this.src = src;\n  this.env = env;\n  this.md = md;\n  this.tokens = outTokens;\n  this.tokens_meta = Array(outTokens.length);\n\n  this.pos = 0;\n  this.posMax = this.src.length;\n  this.level = 0;\n  this.pending = '';\n  this.pendingLevel = 0;\n\n  // Stores { start: end } pairs. Useful for backtrack\n  // optimization of pairs parse (emphasis, strikes).\n  this.cache = {};\n\n  // List of emphasis-like delimiters for current tag\n  this.delimiters = [];\n\n  // Stack of delimiter lists for upper level tags\n  this._prev_delimiters = [];\n}\n\n\n// Flush pending text\n//\nStateInline.prototype.pushPending = function () {\n  var token = new Token('text', '', 0);\n  token.content = this.pending;\n  token.level = this.pendingLevel;\n  this.tokens.push(token);\n  this.pending = '';\n  return token;\n};\n\n\n// Push new token to \"stream\".\n// If pending text exists - flush it as text token\n//\nStateInline.prototype.push = function (type, tag, nesting) {\n  if (this.pending) {\n    this.pushPending();\n  }\n\n  var token = new Token(type, tag, nesting);\n  var token_meta = null;\n\n  if (nesting < 0) {\n    // closing tag\n    this.level--;\n    this.delimiters = this._prev_delimiters.pop();\n  }\n\n  token.level = this.level;\n\n  if (nesting > 0) {\n    // opening tag\n    this.level++;\n    this._prev_delimiters.push(this.delimiters);\n    this.delimiters = [];\n    token_meta = { delimiters: this.delimiters };\n  }\n\n  this.pendingLevel = this.level;\n  this.tokens.push(token);\n  this.tokens_meta.push(token_meta);\n  return token;\n};\n\n\n// Scan a sequence of emphasis-like markers, and determine whether\n// it can start an emphasis sequence or end an emphasis sequence.\n//\n//  - start - position to scan from (it should point at a valid marker);\n//  - canSplitWord - determine if these markers can be found inside a word\n//\nStateInline.prototype.scanDelims = function (start, canSplitWord) {\n  var pos = start, lastChar, nextChar, count, can_open, can_close,\n      isLastWhiteSpace, isLastPunctChar,\n      isNextWhiteSpace, isNextPunctChar,\n      left_flanking = true,\n      right_flanking = true,\n      max = this.posMax,\n      marker = this.src.charCodeAt(start);\n\n  // treat beginning of the line as a whitespace\n  lastChar = start > 0 ? this.src.charCodeAt(start - 1) : 0x20;\n\n  while (pos < max && this.src.charCodeAt(pos) === marker) { pos++; }\n\n  count = pos - start;\n\n  // treat end of the line as a whitespace\n  nextChar = pos < max ? this.src.charCodeAt(pos) : 0x20;\n\n  isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));\n  isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));\n\n  isLastWhiteSpace = isWhiteSpace(lastChar);\n  isNextWhiteSpace = isWhiteSpace(nextChar);\n\n  if (isNextWhiteSpace) {\n    left_flanking = false;\n  } else if (isNextPunctChar) {\n    if (!(isLastWhiteSpace || isLastPunctChar)) {\n      left_flanking = false;\n    }\n  }\n\n  if (isLastWhiteSpace) {\n    right_flanking = false;\n  } else if (isLastPunctChar) {\n    if (!(isNextWhiteSpace || isNextPunctChar)) {\n      right_flanking = false;\n    }\n  }\n\n  if (!canSplitWord) {\n    can_open  = left_flanking  && (!right_flanking || isLastPunctChar);\n    can_close = right_flanking && (!left_flanking  || isNextPunctChar);\n  } else {\n    can_open  = left_flanking;\n    can_close = right_flanking;\n  }\n\n  return {\n    can_open:  can_open,\n    can_close: can_close,\n    length:    count\n  };\n};\n\n\n// re-export Token class to use in block rules\nStateInline.prototype.Token = Token;\n\n\nmodule.exports = StateInline;\n","'use strict';\n\n\n////////////////////////////////////////////////////////////////////////////////\n// Helpers\n\n// Merge objects\n//\nfunction assign(obj /*from1, from2, from3, ...*/) {\n  var sources = Array.prototype.slice.call(arguments, 1);\n\n  sources.forEach(function (source) {\n    if (!source) { return; }\n\n    Object.keys(source).forEach(function (key) {\n      obj[key] = source[key];\n    });\n  });\n\n  return obj;\n}\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\nfunction isString(obj) { return _class(obj) === '[object String]'; }\nfunction isObject(obj) { return _class(obj) === '[object Object]'; }\nfunction isRegExp(obj) { return _class(obj) === '[object RegExp]'; }\nfunction isFunction(obj) { return _class(obj) === '[object Function]'; }\n\n\nfunction escapeRE(str) { return str.replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&'); }\n\n////////////////////////////////////////////////////////////////////////////////\n\n\nvar defaultOptions = {\n  fuzzyLink: true,\n  fuzzyEmail: true,\n  fuzzyIP: false\n};\n\n\nfunction isOptionsObj(obj) {\n  return Object.keys(obj || {}).reduce(function (acc, k) {\n    return acc || defaultOptions.hasOwnProperty(k);\n  }, false);\n}\n\n\nvar defaultSchemas = {\n  'http:': {\n    validate: function (text, pos, self) {\n      var tail = text.slice(pos);\n\n      if (!self.re.http) {\n        // compile lazily, because \"host\"-containing variables can change on tlds update.\n        self.re.http =  new RegExp(\n          '^\\\\/\\\\/' + self.re.src_auth + self.re.src_host_port_strict + self.re.src_path, 'i'\n        );\n      }\n      if (self.re.http.test(tail)) {\n        return tail.match(self.re.http)[0].length;\n      }\n      return 0;\n    }\n  },\n  'https:':  'http:',\n  'ftp:':    'http:',\n  '//':      {\n    validate: function (text, pos, self) {\n      var tail = text.slice(pos);\n\n      if (!self.re.no_http) {\n      // compile lazily, because \"host\"-containing variables can change on tlds update.\n        self.re.no_http =  new RegExp(\n          '^' +\n          self.re.src_auth +\n          // Don't allow single-level domains, because of false positives like '//test'\n          // with code comments\n          '(?:localhost|(?:(?:' + self.re.src_domain + ')\\\\.)+' + self.re.src_domain_root + ')' +\n          self.re.src_port +\n          self.re.src_host_terminator +\n          self.re.src_path,\n\n          'i'\n        );\n      }\n\n      if (self.re.no_http.test(tail)) {\n        // should not be `://` & `///`, that protects from errors in protocol name\n        if (pos >= 3 && text[pos - 3] === ':') { return 0; }\n        if (pos >= 3 && text[pos - 3] === '/') { return 0; }\n        return tail.match(self.re.no_http)[0].length;\n      }\n      return 0;\n    }\n  },\n  'mailto:': {\n    validate: function (text, pos, self) {\n      var tail = text.slice(pos);\n\n      if (!self.re.mailto) {\n        self.re.mailto =  new RegExp(\n          '^' + self.re.src_email_name + '@' + self.re.src_host_strict, 'i'\n        );\n      }\n      if (self.re.mailto.test(tail)) {\n        return tail.match(self.re.mailto)[0].length;\n      }\n      return 0;\n    }\n  }\n};\n\n/*eslint-disable max-len*/\n\n// RE pattern for 2-character tlds (autogenerated by ./support/tlds_2char_gen.js)\nvar tlds_2ch_src_re = 'a[cdefgilmnoqrstuwxz]|b[abdefghijmnorstvwyz]|c[acdfghiklmnoruvwxyz]|d[ejkmoz]|e[cegrstu]|f[ijkmor]|g[abdefghilmnpqrstuwy]|h[kmnrtu]|i[delmnoqrst]|j[emop]|k[eghimnprwyz]|l[abcikrstuvy]|m[acdeghklmnopqrstuvwxyz]|n[acefgilopruz]|om|p[aefghklmnrstwy]|qa|r[eosuw]|s[abcdeghijklmnortuvxyz]|t[cdfghjklmnortvwz]|u[agksyz]|v[aceginu]|w[fs]|y[et]|z[amw]';\n\n// DON'T try to make PRs with changes. Extend TLDs with LinkifyIt.tlds() instead\nvar tlds_default = 'biz|com|edu|gov|net|org|pro|web|xxx|aero|asia|coop|info|museum|name|shop|рф'.split('|');\n\n/*eslint-enable max-len*/\n\n////////////////////////////////////////////////////////////////////////////////\n\nfunction resetScanCache(self) {\n  self.__index__ = -1;\n  self.__text_cache__   = '';\n}\n\nfunction createValidator(re) {\n  return function (text, pos) {\n    var tail = text.slice(pos);\n\n    if (re.test(tail)) {\n      return tail.match(re)[0].length;\n    }\n    return 0;\n  };\n}\n\nfunction createNormalizer() {\n  return function (match, self) {\n    self.normalize(match);\n  };\n}\n\n// Schemas compiler. Build regexps.\n//\nfunction compile(self) {\n\n  // Load & clone RE patterns.\n  var re = self.re = require('./lib/re')(self.__opts__);\n\n  // Define dynamic patterns\n  var tlds = self.__tlds__.slice();\n\n  self.onCompile();\n\n  if (!self.__tlds_replaced__) {\n    tlds.push(tlds_2ch_src_re);\n  }\n  tlds.push(re.src_xn);\n\n  re.src_tlds = tlds.join('|');\n\n  function untpl(tpl) { return tpl.replace('%TLDS%', re.src_tlds); }\n\n  re.email_fuzzy      = RegExp(untpl(re.tpl_email_fuzzy), 'i');\n  re.link_fuzzy       = RegExp(untpl(re.tpl_link_fuzzy), 'i');\n  re.link_no_ip_fuzzy = RegExp(untpl(re.tpl_link_no_ip_fuzzy), 'i');\n  re.host_fuzzy_test  = RegExp(untpl(re.tpl_host_fuzzy_test), 'i');\n\n  //\n  // Compile each schema\n  //\n\n  var aliases = [];\n\n  self.__compiled__ = {}; // Reset compiled data\n\n  function schemaError(name, val) {\n    throw new Error('(LinkifyIt) Invalid schema \"' + name + '\": ' + val);\n  }\n\n  Object.keys(self.__schemas__).forEach(function (name) {\n    var val = self.__schemas__[name];\n\n    // skip disabled methods\n    if (val === null) { return; }\n\n    var compiled = { validate: null, link: null };\n\n    self.__compiled__[name] = compiled;\n\n    if (isObject(val)) {\n      if (isRegExp(val.validate)) {\n        compiled.validate = createValidator(val.validate);\n      } else if (isFunction(val.validate)) {\n        compiled.validate = val.validate;\n      } else {\n        schemaError(name, val);\n      }\n\n      if (isFunction(val.normalize)) {\n        compiled.normalize = val.normalize;\n      } else if (!val.normalize) {\n        compiled.normalize = createNormalizer();\n      } else {\n        schemaError(name, val);\n      }\n\n      return;\n    }\n\n    if (isString(val)) {\n      aliases.push(name);\n      return;\n    }\n\n    schemaError(name, val);\n  });\n\n  //\n  // Compile postponed aliases\n  //\n\n  aliases.forEach(function (alias) {\n    if (!self.__compiled__[self.__schemas__[alias]]) {\n      // Silently fail on missed schemas to avoid errons on disable.\n      // schemaError(alias, self.__schemas__[alias]);\n      return;\n    }\n\n    self.__compiled__[alias].validate =\n      self.__compiled__[self.__schemas__[alias]].validate;\n    self.__compiled__[alias].normalize =\n      self.__compiled__[self.__schemas__[alias]].normalize;\n  });\n\n  //\n  // Fake record for guessed links\n  //\n  self.__compiled__[''] = { validate: null, normalize: createNormalizer() };\n\n  //\n  // Build schema condition\n  //\n  var slist = Object.keys(self.__compiled__)\n                      .filter(function (name) {\n                        // Filter disabled & fake schemas\n                        return name.length > 0 && self.__compiled__[name];\n                      })\n                      .map(escapeRE)\n                      .join('|');\n  // (?!_) cause 1.5x slowdown\n  self.re.schema_test   = RegExp('(^|(?!_)(?:[><\\uff5c]|' + re.src_ZPCc + '))(' + slist + ')', 'i');\n  self.re.schema_search = RegExp('(^|(?!_)(?:[><\\uff5c]|' + re.src_ZPCc + '))(' + slist + ')', 'ig');\n\n  self.re.pretest = RegExp(\n    '(' + self.re.schema_test.source + ')|(' + self.re.host_fuzzy_test.source + ')|@',\n    'i'\n  );\n\n  //\n  // Cleanup\n  //\n\n  resetScanCache(self);\n}\n\n/**\n * class Match\n *\n * Match result. Single element of array, returned by [[LinkifyIt#match]]\n **/\nfunction Match(self, shift) {\n  var start = self.__index__,\n      end   = self.__last_index__,\n      text  = self.__text_cache__.slice(start, end);\n\n  /**\n   * Match#schema -> String\n   *\n   * Prefix (protocol) for matched string.\n   **/\n  this.schema    = self.__schema__.toLowerCase();\n  /**\n   * Match#index -> Number\n   *\n   * First position of matched string.\n   **/\n  this.index     = start + shift;\n  /**\n   * Match#lastIndex -> Number\n   *\n   * Next position after matched string.\n   **/\n  this.lastIndex = end + shift;\n  /**\n   * Match#raw -> String\n   *\n   * Matched string.\n   **/\n  this.raw       = text;\n  /**\n   * Match#text -> String\n   *\n   * Notmalized text of matched string.\n   **/\n  this.text      = text;\n  /**\n   * Match#url -> String\n   *\n   * Normalized url of matched string.\n   **/\n  this.url       = text;\n}\n\nfunction createMatch(self, shift) {\n  var match = new Match(self, shift);\n\n  self.__compiled__[match.schema].normalize(match, self);\n\n  return match;\n}\n\n\n/**\n * class LinkifyIt\n **/\n\n/**\n * new LinkifyIt(schemas, options)\n * - schemas (Object): Optional. Additional schemas to validate (prefix/validator)\n * - options (Object): { fuzzyLink|fuzzyEmail|fuzzyIP: true|false }\n *\n * Creates new linkifier instance with optional additional schemas.\n * Can be called without `new` keyword for convenience.\n *\n * By default understands:\n *\n * - `http(s)://...` , `ftp://...`, `mailto:...` & `//...` links\n * - \"fuzzy\" links and emails (example.com, foo@bar.com).\n *\n * `schemas` is an object, where each key/value describes protocol/rule:\n *\n * - __key__ - link prefix (usually, protocol name with `:` at the end, `skype:`\n *   for example). `linkify-it` makes shure that prefix is not preceeded with\n *   alphanumeric char and symbols. Only whitespaces and punctuation allowed.\n * - __value__ - rule to check tail after link prefix\n *   - _String_ - just alias to existing rule\n *   - _Object_\n *     - _validate_ - validator function (should return matched length on success),\n *       or `RegExp`.\n *     - _normalize_ - optional function to normalize text & url of matched result\n *       (for example, for @twitter mentions).\n *\n * `options`:\n *\n * - __fuzzyLink__ - recognige URL-s without `http(s):` prefix. Default `true`.\n * - __fuzzyIP__ - allow IPs in fuzzy links above. Can conflict with some texts\n *   like version numbers. Default `false`.\n * - __fuzzyEmail__ - recognize emails without `mailto:` prefix.\n *\n **/\nfunction LinkifyIt(schemas, options) {\n  if (!(this instanceof LinkifyIt)) {\n    return new LinkifyIt(schemas, options);\n  }\n\n  if (!options) {\n    if (isOptionsObj(schemas)) {\n      options = schemas;\n      schemas = {};\n    }\n  }\n\n  this.__opts__           = assign({}, defaultOptions, options);\n\n  // Cache last tested result. Used to skip repeating steps on next `match` call.\n  this.__index__          = -1;\n  this.__last_index__     = -1; // Next scan position\n  this.__schema__         = '';\n  this.__text_cache__     = '';\n\n  this.__schemas__        = assign({}, defaultSchemas, schemas);\n  this.__compiled__       = {};\n\n  this.__tlds__           = tlds_default;\n  this.__tlds_replaced__  = false;\n\n  this.re = {};\n\n  compile(this);\n}\n\n\n/** chainable\n * LinkifyIt#add(schema, definition)\n * - schema (String): rule name (fixed pattern prefix)\n * - definition (String|RegExp|Object): schema definition\n *\n * Add new rule definition. See constructor description for details.\n **/\nLinkifyIt.prototype.add = function add(schema, definition) {\n  this.__schemas__[schema] = definition;\n  compile(this);\n  return this;\n};\n\n\n/** chainable\n * LinkifyIt#set(options)\n * - options (Object): { fuzzyLink|fuzzyEmail|fuzzyIP: true|false }\n *\n * Set recognition options for links without schema.\n **/\nLinkifyIt.prototype.set = function set(options) {\n  this.__opts__ = assign(this.__opts__, options);\n  return this;\n};\n\n\n/**\n * LinkifyIt#test(text) -> Boolean\n *\n * Searches linkifiable pattern and returns `true` on success or `false` on fail.\n **/\nLinkifyIt.prototype.test = function test(text) {\n  // Reset scan cache\n  this.__text_cache__ = text;\n  this.__index__      = -1;\n\n  if (!text.length) { return false; }\n\n  var m, ml, me, len, shift, next, re, tld_pos, at_pos;\n\n  // try to scan for link with schema - that's the most simple rule\n  if (this.re.schema_test.test(text)) {\n    re = this.re.schema_search;\n    re.lastIndex = 0;\n    while ((m = re.exec(text)) !== null) {\n      len = this.testSchemaAt(text, m[2], re.lastIndex);\n      if (len) {\n        this.__schema__     = m[2];\n        this.__index__      = m.index + m[1].length;\n        this.__last_index__ = m.index + m[0].length + len;\n        break;\n      }\n    }\n  }\n\n  if (this.__opts__.fuzzyLink && this.__compiled__['http:']) {\n    // guess schemaless links\n    tld_pos = text.search(this.re.host_fuzzy_test);\n    if (tld_pos >= 0) {\n      // if tld is located after found link - no need to check fuzzy pattern\n      if (this.__index__ < 0 || tld_pos < this.__index__) {\n        if ((ml = text.match(this.__opts__.fuzzyIP ? this.re.link_fuzzy : this.re.link_no_ip_fuzzy)) !== null) {\n\n          shift = ml.index + ml[1].length;\n\n          if (this.__index__ < 0 || shift < this.__index__) {\n            this.__schema__     = '';\n            this.__index__      = shift;\n            this.__last_index__ = ml.index + ml[0].length;\n          }\n        }\n      }\n    }\n  }\n\n  if (this.__opts__.fuzzyEmail && this.__compiled__['mailto:']) {\n    // guess schemaless emails\n    at_pos = text.indexOf('@');\n    if (at_pos >= 0) {\n      // We can't skip this check, because this cases are possible:\n      // 192.168.1.1@gmail.com, my.in@example.com\n      if ((me = text.match(this.re.email_fuzzy)) !== null) {\n\n        shift = me.index + me[1].length;\n        next  = me.index + me[0].length;\n\n        if (this.__index__ < 0 || shift < this.__index__ ||\n            (shift === this.__index__ && next > this.__last_index__)) {\n          this.__schema__     = 'mailto:';\n          this.__index__      = shift;\n          this.__last_index__ = next;\n        }\n      }\n    }\n  }\n\n  return this.__index__ >= 0;\n};\n\n\n/**\n * LinkifyIt#pretest(text) -> Boolean\n *\n * Very quick check, that can give false positives. Returns true if link MAY BE\n * can exists. Can be used for speed optimization, when you need to check that\n * link NOT exists.\n **/\nLinkifyIt.prototype.pretest = function pretest(text) {\n  return this.re.pretest.test(text);\n};\n\n\n/**\n * LinkifyIt#testSchemaAt(text, name, position) -> Number\n * - text (String): text to scan\n * - name (String): rule (schema) name\n * - position (Number): text offset to check from\n *\n * Similar to [[LinkifyIt#test]] but checks only specific protocol tail exactly\n * at given position. Returns length of found pattern (0 on fail).\n **/\nLinkifyIt.prototype.testSchemaAt = function testSchemaAt(text, schema, pos) {\n  // If not supported schema check requested - terminate\n  if (!this.__compiled__[schema.toLowerCase()]) {\n    return 0;\n  }\n  return this.__compiled__[schema.toLowerCase()].validate(text, pos, this);\n};\n\n\n/**\n * LinkifyIt#match(text) -> Array|null\n *\n * Returns array of found link descriptions or `null` on fail. We strongly\n * recommend to use [[LinkifyIt#test]] first, for best speed.\n *\n * ##### Result match description\n *\n * - __schema__ - link schema, can be empty for fuzzy links, or `//` for\n *   protocol-neutral  links.\n * - __index__ - offset of matched text\n * - __lastIndex__ - index of next char after mathch end\n * - __raw__ - matched text\n * - __text__ - normalized text\n * - __url__ - link, generated from matched text\n **/\nLinkifyIt.prototype.match = function match(text) {\n  var shift = 0, result = [];\n\n  // Try to take previous element from cache, if .test() called before\n  if (this.__index__ >= 0 && this.__text_cache__ === text) {\n    result.push(createMatch(this, shift));\n    shift = this.__last_index__;\n  }\n\n  // Cut head if cache was used\n  var tail = shift ? text.slice(shift) : text;\n\n  // Scan string until end reached\n  while (this.test(tail)) {\n    result.push(createMatch(this, shift));\n\n    tail = tail.slice(this.__last_index__);\n    shift += this.__last_index__;\n  }\n\n  if (result.length) {\n    return result;\n  }\n\n  return null;\n};\n\n\n/** chainable\n * LinkifyIt#tlds(list [, keepOld]) -> this\n * - list (Array): list of tlds\n * - keepOld (Boolean): merge with current list if `true` (`false` by default)\n *\n * Load (or merge) new tlds list. Those are user for fuzzy links (without prefix)\n * to avoid false positives. By default this algorythm used:\n *\n * - hostname with any 2-letter root zones are ok.\n * - biz|com|edu|gov|net|org|pro|web|xxx|aero|asia|coop|info|museum|name|shop|рф\n *   are ok.\n * - encoded (`xn--...`) root zones are ok.\n *\n * If list is replaced, then exact match for 2-chars root zones will be checked.\n **/\nLinkifyIt.prototype.tlds = function tlds(list, keepOld) {\n  list = Array.isArray(list) ? list : [ list ];\n\n  if (!keepOld) {\n    this.__tlds__ = list.slice();\n    this.__tlds_replaced__ = true;\n    compile(this);\n    return this;\n  }\n\n  this.__tlds__ = this.__tlds__.concat(list)\n                                  .sort()\n                                  .filter(function (el, idx, arr) {\n                                    return el !== arr[idx - 1];\n                                  })\n                                  .reverse();\n\n  compile(this);\n  return this;\n};\n\n/**\n * LinkifyIt#normalize(match)\n *\n * Default normalizer (if schema does not define it's own).\n **/\nLinkifyIt.prototype.normalize = function normalize(match) {\n\n  // Do minimal possible changes by default. Need to collect feedback prior\n  // to move forward https://github.com/markdown-it/linkify-it/issues/1\n\n  if (!match.schema) { match.url = 'http://' + match.url; }\n\n  if (match.schema === 'mailto:' && !/^mailto:/i.test(match.url)) {\n    match.url = 'mailto:' + match.url;\n  }\n};\n\n\n/**\n * LinkifyIt#onCompile()\n *\n * Override to modify basic RegExp-s.\n **/\nLinkifyIt.prototype.onCompile = function onCompile() {\n};\n\n\nmodule.exports = LinkifyIt;\n","'use strict';\n\n\nmodule.exports = function (opts) {\n  var re = {};\n\n  // Use direct extract instead of `regenerate` to reduse browserified size\n  re.src_Any = require('uc.micro/properties/Any/regex').source;\n  re.src_Cc  = require('uc.micro/categories/Cc/regex').source;\n  re.src_Z   = require('uc.micro/categories/Z/regex').source;\n  re.src_P   = require('uc.micro/categories/P/regex').source;\n\n  // \\p{\\Z\\P\\Cc\\CF} (white spaces + control + format + punctuation)\n  re.src_ZPCc = [ re.src_Z, re.src_P, re.src_Cc ].join('|');\n\n  // \\p{\\Z\\Cc} (white spaces + control)\n  re.src_ZCc = [ re.src_Z, re.src_Cc ].join('|');\n\n  // Experimental. List of chars, completely prohibited in links\n  // because can separate it from other part of text\n  var text_separators = '[><\\uff5c]';\n\n  // All possible word characters (everything without punctuation, spaces & controls)\n  // Defined via punctuation & spaces to save space\n  // Should be something like \\p{\\L\\N\\S\\M} (\\w but without `_`)\n  re.src_pseudo_letter       = '(?:(?!' + text_separators + '|' + re.src_ZPCc + ')' + re.src_Any + ')';\n  // The same as abothe but without [0-9]\n  // var src_pseudo_letter_non_d = '(?:(?![0-9]|' + src_ZPCc + ')' + src_Any + ')';\n\n  ////////////////////////////////////////////////////////////////////////////////\n\n  re.src_ip4 =\n\n    '(?:(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)';\n\n  // Prohibit any of \"@/[]()\" in user/pass to avoid wrong domain fetch.\n  re.src_auth    = '(?:(?:(?!' + re.src_ZCc + '|[@/\\\\[\\\\]()]).)+@)?';\n\n  re.src_port =\n\n    '(?::(?:6(?:[0-4]\\\\d{3}|5(?:[0-4]\\\\d{2}|5(?:[0-2]\\\\d|3[0-5])))|[1-5]?\\\\d{1,4}))?';\n\n  re.src_host_terminator =\n\n    '(?=$|' + text_separators + '|' + re.src_ZPCc + ')(?!-|_|:\\\\d|\\\\.-|\\\\.(?!$|' + re.src_ZPCc + '))';\n\n  re.src_path =\n\n    '(?:' +\n      '[/?#]' +\n        '(?:' +\n          '(?!' + re.src_ZCc + '|' + text_separators + '|[()[\\\\]{}.,\"\\'?!\\\\-]).|' +\n          '\\\\[(?:(?!' + re.src_ZCc + '|\\\\]).)*\\\\]|' +\n          '\\\\((?:(?!' + re.src_ZCc + '|[)]).)*\\\\)|' +\n          '\\\\{(?:(?!' + re.src_ZCc + '|[}]).)*\\\\}|' +\n          '\\\\\"(?:(?!' + re.src_ZCc + '|[\"]).)+\\\\\"|' +\n          \"\\\\'(?:(?!\" + re.src_ZCc + \"|[']).)+\\\\'|\" +\n          \"\\\\'(?=\" + re.src_pseudo_letter + '|[-]).|' +  // allow `I'm_king` if no pair found\n          '\\\\.{2,}[a-zA-Z0-9%/&]|' + // google has many dots in \"google search\" links (#66, #81).\n                                     // github has ... in commit range links,\n                                     // Restrict to\n                                     // - english\n                                     // - percent-encoded\n                                     // - parts of file path\n                                     // - params separator\n                                     // until more examples found.\n          '\\\\.(?!' + re.src_ZCc + '|[.]).|' +\n          (opts && opts['---'] ?\n            '\\\\-(?!--(?:[^-]|$))(?:-*)|' // `---` => long dash, terminate\n            :\n            '\\\\-+|'\n          ) +\n          '\\\\,(?!' + re.src_ZCc + ').|' +       // allow `,,,` in paths\n          '\\\\!+(?!' + re.src_ZCc + '|[!]).|' +  // allow `!!!` in paths, but not at the end\n          '\\\\?(?!' + re.src_ZCc + '|[?]).' +\n        ')+' +\n      '|\\\\/' +\n    ')?';\n\n  // Allow anything in markdown spec, forbid quote (\") at the first position\n  // because emails enclosed in quotes are far more common\n  re.src_email_name =\n\n    '[\\\\-;:&=\\\\+\\\\$,\\\\.a-zA-Z0-9_][\\\\-;:&=\\\\+\\\\$,\\\\\"\\\\.a-zA-Z0-9_]*';\n\n  re.src_xn =\n\n    'xn--[a-z0-9\\\\-]{1,59}';\n\n  // More to read about domain names\n  // http://serverfault.com/questions/638260/\n\n  re.src_domain_root =\n\n    // Allow letters & digits (http://test1)\n    '(?:' +\n      re.src_xn +\n      '|' +\n      re.src_pseudo_letter + '{1,63}' +\n    ')';\n\n  re.src_domain =\n\n    '(?:' +\n      re.src_xn +\n      '|' +\n      '(?:' + re.src_pseudo_letter + ')' +\n      '|' +\n      '(?:' + re.src_pseudo_letter + '(?:-|' + re.src_pseudo_letter + '){0,61}' + re.src_pseudo_letter + ')' +\n    ')';\n\n  re.src_host =\n\n    '(?:' +\n    // Don't need IP check, because digits are already allowed in normal domain names\n    //   src_ip4 +\n    // '|' +\n      '(?:(?:(?:' + re.src_domain + ')\\\\.)*' + re.src_domain/*_root*/ + ')' +\n    ')';\n\n  re.tpl_host_fuzzy =\n\n    '(?:' +\n      re.src_ip4 +\n    '|' +\n      '(?:(?:(?:' + re.src_domain + ')\\\\.)+(?:%TLDS%))' +\n    ')';\n\n  re.tpl_host_no_ip_fuzzy =\n\n    '(?:(?:(?:' + re.src_domain + ')\\\\.)+(?:%TLDS%))';\n\n  re.src_host_strict =\n\n    re.src_host + re.src_host_terminator;\n\n  re.tpl_host_fuzzy_strict =\n\n    re.tpl_host_fuzzy + re.src_host_terminator;\n\n  re.src_host_port_strict =\n\n    re.src_host + re.src_port + re.src_host_terminator;\n\n  re.tpl_host_port_fuzzy_strict =\n\n    re.tpl_host_fuzzy + re.src_port + re.src_host_terminator;\n\n  re.tpl_host_port_no_ip_fuzzy_strict =\n\n    re.tpl_host_no_ip_fuzzy + re.src_port + re.src_host_terminator;\n\n\n  ////////////////////////////////////////////////////////////////////////////////\n  // Main rules\n\n  // Rude test fuzzy links by host, for quick deny\n  re.tpl_host_fuzzy_test =\n\n    'localhost|www\\\\.|\\\\.\\\\d{1,3}\\\\.|(?:\\\\.(?:%TLDS%)(?:' + re.src_ZPCc + '|>|$))';\n\n  re.tpl_email_fuzzy =\n\n      '(^|' + text_separators + '|\"|\\\\(|' + re.src_ZCc + ')' +\n      '(' + re.src_email_name + '@' + re.tpl_host_fuzzy_strict + ')';\n\n  re.tpl_link_fuzzy =\n      // Fuzzy link can't be prepended with .:/\\- and non punctuation.\n      // but can start with > (markdown blockquote)\n      '(^|(?![.:/\\\\-_@])(?:[$+<=>^`|\\uff5c]|' + re.src_ZPCc + '))' +\n      '((?![$+<=>^`|\\uff5c])' + re.tpl_host_port_fuzzy_strict + re.src_path + ')';\n\n  re.tpl_link_no_ip_fuzzy =\n      // Fuzzy link can't be prepended with .:/\\- and non punctuation.\n      // but can start with > (markdown blockquote)\n      '(^|(?![.:/\\\\-_@])(?:[$+<=>^`|\\uff5c]|' + re.src_ZPCc + '))' +\n      '((?![$+<=>^`|\\uff5c])' + re.tpl_host_port_no_ip_fuzzy_strict + re.src_path + ')';\n\n  return re;\n};\n","/*! https://mths.be/punycode v1.4.1 by @mathias */\n;(function(root) {\n\n\t/** Detect free variables */\n\tvar freeExports = typeof exports == 'object' && exports &&\n\t\t!exports.nodeType && exports;\n\tvar freeModule = typeof module == 'object' && module &&\n\t\t!module.nodeType && module;\n\tvar freeGlobal = typeof global == 'object' && global;\n\tif (\n\t\tfreeGlobal.global === freeGlobal ||\n\t\tfreeGlobal.window === freeGlobal ||\n\t\tfreeGlobal.self === freeGlobal\n\t) {\n\t\troot = freeGlobal;\n\t}\n\n\t/**\n\t * The `punycode` object.\n\t * @name punycode\n\t * @type Object\n\t */\n\tvar punycode,\n\n\t/** Highest positive signed 32-bit float value */\n\tmaxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1\n\n\t/** Bootstring parameters */\n\tbase = 36,\n\ttMin = 1,\n\ttMax = 26,\n\tskew = 38,\n\tdamp = 700,\n\tinitialBias = 72,\n\tinitialN = 128, // 0x80\n\tdelimiter = '-', // '\\x2D'\n\n\t/** Regular expressions */\n\tregexPunycode = /^xn--/,\n\tregexNonASCII = /[^\\x20-\\x7E]/, // unprintable ASCII chars + non-ASCII chars\n\tregexSeparators = /[\\x2E\\u3002\\uFF0E\\uFF61]/g, // RFC 3490 separators\n\n\t/** Error messages */\n\terrors = {\n\t\t'overflow': 'Overflow: input needs wider integers to process',\n\t\t'not-basic': 'Illegal input >= 0x80 (not a basic code point)',\n\t\t'invalid-input': 'Invalid input'\n\t},\n\n\t/** Convenience shortcuts */\n\tbaseMinusTMin = base - tMin,\n\tfloor = Math.floor,\n\tstringFromCharCode = String.fromCharCode,\n\n\t/** Temporary variable */\n\tkey;\n\n\t/*--------------------------------------------------------------------------*/\n\n\t/**\n\t * A generic error utility function.\n\t * @private\n\t * @param {String} type The error type.\n\t * @returns {Error} Throws a `RangeError` with the applicable error message.\n\t */\n\tfunction error(type) {\n\t\tthrow new RangeError(errors[type]);\n\t}\n\n\t/**\n\t * A generic `Array#map` utility function.\n\t * @private\n\t * @param {Array} array The array to iterate over.\n\t * @param {Function} callback The function that gets called for every array\n\t * item.\n\t * @returns {Array} A new array of values returned by the callback function.\n\t */\n\tfunction map(array, fn) {\n\t\tvar length = array.length;\n\t\tvar result = [];\n\t\twhile (length--) {\n\t\t\tresult[length] = fn(array[length]);\n\t\t}\n\t\treturn result;\n\t}\n\n\t/**\n\t * A simple `Array#map`-like wrapper to work with domain name strings or email\n\t * addresses.\n\t * @private\n\t * @param {String} domain The domain name or email address.\n\t * @param {Function} callback The function that gets called for every\n\t * character.\n\t * @returns {Array} A new string of characters returned by the callback\n\t * function.\n\t */\n\tfunction mapDomain(string, fn) {\n\t\tvar parts = string.split('@');\n\t\tvar result = '';\n\t\tif (parts.length > 1) {\n\t\t\t// In email addresses, only the domain name should be punycoded. Leave\n\t\t\t// the local part (i.e. everything up to `@`) intact.\n\t\t\tresult = parts[0] + '@';\n\t\t\tstring = parts[1];\n\t\t}\n\t\t// Avoid `split(regex)` for IE8 compatibility. See #17.\n\t\tstring = string.replace(regexSeparators, '\\x2E');\n\t\tvar labels = string.split('.');\n\t\tvar encoded = map(labels, fn).join('.');\n\t\treturn result + encoded;\n\t}\n\n\t/**\n\t * Creates an array containing the numeric code points of each Unicode\n\t * character in the string. While JavaScript uses UCS-2 internally,\n\t * this function will convert a pair of surrogate halves (each of which\n\t * UCS-2 exposes as separate characters) into a single code point,\n\t * matching UTF-16.\n\t * @see `punycode.ucs2.encode`\n\t * @see <https://mathiasbynens.be/notes/javascript-encoding>\n\t * @memberOf punycode.ucs2\n\t * @name decode\n\t * @param {String} string The Unicode input string (UCS-2).\n\t * @returns {Array} The new array of code points.\n\t */\n\tfunction ucs2decode(string) {\n\t\tvar output = [],\n\t\t    counter = 0,\n\t\t    length = string.length,\n\t\t    value,\n\t\t    extra;\n\t\twhile (counter < length) {\n\t\t\tvalue = string.charCodeAt(counter++);\n\t\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t\t// high surrogate, and there is a next character\n\t\t\t\textra = string.charCodeAt(counter++);\n\t\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t\t} else {\n\t\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\t\toutput.push(value);\n\t\t\t\t\tcounter--;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\toutput.push(value);\n\t\t\t}\n\t\t}\n\t\treturn output;\n\t}\n\n\t/**\n\t * Creates a string based on an array of numeric code points.\n\t * @see `punycode.ucs2.decode`\n\t * @memberOf punycode.ucs2\n\t * @name encode\n\t * @param {Array} codePoints The array of numeric code points.\n\t * @returns {String} The new Unicode string (UCS-2).\n\t */\n\tfunction ucs2encode(array) {\n\t\treturn map(array, function(value) {\n\t\t\tvar output = '';\n\t\t\tif (value > 0xFFFF) {\n\t\t\t\tvalue -= 0x10000;\n\t\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t\t}\n\t\t\toutput += stringFromCharCode(value);\n\t\t\treturn output;\n\t\t}).join('');\n\t}\n\n\t/**\n\t * Converts a basic code point into a digit/integer.\n\t * @see `digitToBasic()`\n\t * @private\n\t * @param {Number} codePoint The basic numeric code point value.\n\t * @returns {Number} The numeric value of a basic code point (for use in\n\t * representing integers) in the range `0` to `base - 1`, or `base` if\n\t * the code point does not represent a value.\n\t */\n\tfunction basicToDigit(codePoint) {\n\t\tif (codePoint - 48 < 10) {\n\t\t\treturn codePoint - 22;\n\t\t}\n\t\tif (codePoint - 65 < 26) {\n\t\t\treturn codePoint - 65;\n\t\t}\n\t\tif (codePoint - 97 < 26) {\n\t\t\treturn codePoint - 97;\n\t\t}\n\t\treturn base;\n\t}\n\n\t/**\n\t * Converts a digit/integer into a basic code point.\n\t * @see `basicToDigit()`\n\t * @private\n\t * @param {Number} digit The numeric value of a basic code point.\n\t * @returns {Number} The basic code point whose value (when used for\n\t * representing integers) is `digit`, which needs to be in the range\n\t * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is\n\t * used; else, the lowercase form is used. The behavior is undefined\n\t * if `flag` is non-zero and `digit` has no uppercase form.\n\t */\n\tfunction digitToBasic(digit, flag) {\n\t\t//  0..25 map to ASCII a..z or A..Z\n\t\t// 26..35 map to ASCII 0..9\n\t\treturn digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);\n\t}\n\n\t/**\n\t * Bias adaptation function as per section 3.4 of RFC 3492.\n\t * https://tools.ietf.org/html/rfc3492#section-3.4\n\t * @private\n\t */\n\tfunction adapt(delta, numPoints, firstTime) {\n\t\tvar k = 0;\n\t\tdelta = firstTime ? floor(delta / damp) : delta >> 1;\n\t\tdelta += floor(delta / numPoints);\n\t\tfor (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {\n\t\t\tdelta = floor(delta / baseMinusTMin);\n\t\t}\n\t\treturn floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n\t}\n\n\t/**\n\t * Converts a Punycode string of ASCII-only symbols to a string of Unicode\n\t * symbols.\n\t * @memberOf punycode\n\t * @param {String} input The Punycode string of ASCII-only symbols.\n\t * @returns {String} The resulting string of Unicode symbols.\n\t */\n\tfunction decode(input) {\n\t\t// Don't use UCS-2\n\t\tvar output = [],\n\t\t    inputLength = input.length,\n\t\t    out,\n\t\t    i = 0,\n\t\t    n = initialN,\n\t\t    bias = initialBias,\n\t\t    basic,\n\t\t    j,\n\t\t    index,\n\t\t    oldi,\n\t\t    w,\n\t\t    k,\n\t\t    digit,\n\t\t    t,\n\t\t    /** Cached calculation results */\n\t\t    baseMinusT;\n\n\t\t// Handle the basic code points: let `basic` be the number of input code\n\t\t// points before the last delimiter, or `0` if there is none, then copy\n\t\t// the first basic code points to the output.\n\n\t\tbasic = input.lastIndexOf(delimiter);\n\t\tif (basic < 0) {\n\t\t\tbasic = 0;\n\t\t}\n\n\t\tfor (j = 0; j < basic; ++j) {\n\t\t\t// if it's not a basic code point\n\t\t\tif (input.charCodeAt(j) >= 0x80) {\n\t\t\t\terror('not-basic');\n\t\t\t}\n\t\t\toutput.push(input.charCodeAt(j));\n\t\t}\n\n\t\t// Main decoding loop: start just after the last delimiter if any basic code\n\t\t// points were copied; start at the beginning otherwise.\n\n\t\tfor (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {\n\n\t\t\t// `index` is the index of the next character to be consumed.\n\t\t\t// Decode a generalized variable-length integer into `delta`,\n\t\t\t// which gets added to `i`. The overflow checking is easier\n\t\t\t// if we increase `i` as we go, then subtract off its starting\n\t\t\t// value at the end to obtain `delta`.\n\t\t\tfor (oldi = i, w = 1, k = base; /* no condition */; k += base) {\n\n\t\t\t\tif (index >= inputLength) {\n\t\t\t\t\terror('invalid-input');\n\t\t\t\t}\n\n\t\t\t\tdigit = basicToDigit(input.charCodeAt(index++));\n\n\t\t\t\tif (digit >= base || digit > floor((maxInt - i) / w)) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\ti += digit * w;\n\t\t\t\tt = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\n\t\t\t\tif (digit < t) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tbaseMinusT = base - t;\n\t\t\t\tif (w > floor(maxInt / baseMinusT)) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\tw *= baseMinusT;\n\n\t\t\t}\n\n\t\t\tout = output.length + 1;\n\t\t\tbias = adapt(i - oldi, out, oldi == 0);\n\n\t\t\t// `i` was supposed to wrap around from `out` to `0`,\n\t\t\t// incrementing `n` each time, so we'll fix that now:\n\t\t\tif (floor(i / out) > maxInt - n) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tn += floor(i / out);\n\t\t\ti %= out;\n\n\t\t\t// Insert `n` at position `i` of the output\n\t\t\toutput.splice(i++, 0, n);\n\n\t\t}\n\n\t\treturn ucs2encode(output);\n\t}\n\n\t/**\n\t * Converts a string of Unicode symbols (e.g. a domain name label) to a\n\t * Punycode string of ASCII-only symbols.\n\t * @memberOf punycode\n\t * @param {String} input The string of Unicode symbols.\n\t * @returns {String} The resulting Punycode string of ASCII-only symbols.\n\t */\n\tfunction encode(input) {\n\t\tvar n,\n\t\t    delta,\n\t\t    handledCPCount,\n\t\t    basicLength,\n\t\t    bias,\n\t\t    j,\n\t\t    m,\n\t\t    q,\n\t\t    k,\n\t\t    t,\n\t\t    currentValue,\n\t\t    output = [],\n\t\t    /** `inputLength` will hold the number of code points in `input`. */\n\t\t    inputLength,\n\t\t    /** Cached calculation results */\n\t\t    handledCPCountPlusOne,\n\t\t    baseMinusT,\n\t\t    qMinusT;\n\n\t\t// Convert the input in UCS-2 to Unicode\n\t\tinput = ucs2decode(input);\n\n\t\t// Cache the length\n\t\tinputLength = input.length;\n\n\t\t// Initialize the state\n\t\tn = initialN;\n\t\tdelta = 0;\n\t\tbias = initialBias;\n\n\t\t// Handle the basic code points\n\t\tfor (j = 0; j < inputLength; ++j) {\n\t\t\tcurrentValue = input[j];\n\t\t\tif (currentValue < 0x80) {\n\t\t\t\toutput.push(stringFromCharCode(currentValue));\n\t\t\t}\n\t\t}\n\n\t\thandledCPCount = basicLength = output.length;\n\n\t\t// `handledCPCount` is the number of code points that have been handled;\n\t\t// `basicLength` is the number of basic code points.\n\n\t\t// Finish the basic string - if it is not empty - with a delimiter\n\t\tif (basicLength) {\n\t\t\toutput.push(delimiter);\n\t\t}\n\n\t\t// Main encoding loop:\n\t\twhile (handledCPCount < inputLength) {\n\n\t\t\t// All non-basic code points < n have been handled already. Find the next\n\t\t\t// larger one:\n\t\t\tfor (m = maxInt, j = 0; j < inputLength; ++j) {\n\t\t\t\tcurrentValue = input[j];\n\t\t\t\tif (currentValue >= n && currentValue < m) {\n\t\t\t\t\tm = currentValue;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,\n\t\t\t// but guard against overflow\n\t\t\thandledCPCountPlusOne = handledCPCount + 1;\n\t\t\tif (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tdelta += (m - n) * handledCPCountPlusOne;\n\t\t\tn = m;\n\n\t\t\tfor (j = 0; j < inputLength; ++j) {\n\t\t\t\tcurrentValue = input[j];\n\n\t\t\t\tif (currentValue < n && ++delta > maxInt) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\tif (currentValue == n) {\n\t\t\t\t\t// Represent delta as a generalized variable-length integer\n\t\t\t\t\tfor (q = delta, k = base; /* no condition */; k += base) {\n\t\t\t\t\t\tt = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\t\t\t\t\t\tif (q < t) {\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tqMinusT = q - t;\n\t\t\t\t\t\tbaseMinusT = base - t;\n\t\t\t\t\t\toutput.push(\n\t\t\t\t\t\t\tstringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))\n\t\t\t\t\t\t);\n\t\t\t\t\t\tq = floor(qMinusT / baseMinusT);\n\t\t\t\t\t}\n\n\t\t\t\t\toutput.push(stringFromCharCode(digitToBasic(q, 0)));\n\t\t\t\t\tbias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n\t\t\t\t\tdelta = 0;\n\t\t\t\t\t++handledCPCount;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t++delta;\n\t\t\t++n;\n\n\t\t}\n\t\treturn output.join('');\n\t}\n\n\t/**\n\t * Converts a Punycode string representing a domain name or an email address\n\t * to Unicode. Only the Punycoded parts of the input will be converted, i.e.\n\t * it doesn't matter if you call it on a string that has already been\n\t * converted to Unicode.\n\t * @memberOf punycode\n\t * @param {String} input The Punycoded domain name or email address to\n\t * convert to Unicode.\n\t * @returns {String} The Unicode representation of the given Punycode\n\t * string.\n\t */\n\tfunction toUnicode(input) {\n\t\treturn mapDomain(input, function(string) {\n\t\t\treturn regexPunycode.test(string)\n\t\t\t\t? decode(string.slice(4).toLowerCase())\n\t\t\t\t: string;\n\t\t});\n\t}\n\n\t/**\n\t * Converts a Unicode string representing a domain name or an email address to\n\t * Punycode. Only the non-ASCII parts of the domain name will be converted,\n\t * i.e. it doesn't matter if you call it with a domain that's already in\n\t * ASCII.\n\t * @memberOf punycode\n\t * @param {String} input The domain name or email address to convert, as a\n\t * Unicode string.\n\t * @returns {String} The Punycode representation of the given domain name or\n\t * email address.\n\t */\n\tfunction toASCII(input) {\n\t\treturn mapDomain(input, function(string) {\n\t\t\treturn regexNonASCII.test(string)\n\t\t\t\t? 'xn--' + encode(string)\n\t\t\t\t: string;\n\t\t});\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\t/** Define the public API */\n\tpunycode = {\n\t\t/**\n\t\t * A string representing the current Punycode.js version number.\n\t\t * @memberOf punycode\n\t\t * @type String\n\t\t */\n\t\t'version': '1.4.1',\n\t\t/**\n\t\t * An object of methods to convert from JavaScript's internal character\n\t\t * representation (UCS-2) to Unicode code points, and back.\n\t\t * @see <https://mathiasbynens.be/notes/javascript-encoding>\n\t\t * @memberOf punycode\n\t\t * @type Object\n\t\t */\n\t\t'ucs2': {\n\t\t\t'decode': ucs2decode,\n\t\t\t'encode': ucs2encode\n\t\t},\n\t\t'decode': decode,\n\t\t'encode': encode,\n\t\t'toASCII': toASCII,\n\t\t'toUnicode': toUnicode\n\t};\n\n\t/** Expose `punycode` */\n\t// Some AMD build optimizers, like r.js, check for specific condition patterns\n\t// like the following:\n\tif (\n\t\ttypeof define == 'function' &&\n\t\ttypeof define.amd == 'object' &&\n\t\tdefine.amd\n\t) {\n\t\tdefine('punycode', function() {\n\t\t\treturn punycode;\n\t\t});\n\t} else if (freeExports && freeModule) {\n\t\tif (module.exports == freeExports) {\n\t\t\t// in Node.js, io.js, or RingoJS v0.8.0+\n\t\t\tfreeModule.exports = punycode;\n\t\t} else {\n\t\t\t// in Narwhal or RingoJS v0.7.0-\n\t\t\tfor (key in punycode) {\n\t\t\t\tpunycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);\n\t\t\t}\n\t\t}\n\t} else {\n\t\t// in Rhino or a web browser\n\t\troot.punycode = punycode;\n\t}\n\n}(this));\n","module.exports = function(module) {\n\tif (!module.webpackPolyfill) {\n\t\tmodule.deprecate = function() {};\n\t\tmodule.paths = [];\n\t\t// module.parent = undefined by default\n\t\tif (!module.children) module.children = [];\n\t\tObject.defineProperty(module, \"loaded\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.l;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"id\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.i;\n\t\t\t}\n\t\t});\n\t\tmodule.webpackPolyfill = 1;\n\t}\n\treturn module;\n};\n","// markdown-it default options\n\n'use strict';\n\n\nmodule.exports = {\n  options: {\n    html:         false,        // Enable HTML tags in source\n    xhtmlOut:     false,        // Use '/' to close single tags (<br />)\n    breaks:       false,        // Convert '\\n' in paragraphs into <br>\n    langPrefix:   'language-',  // CSS language prefix for fenced blocks\n    linkify:      false,        // autoconvert URL-like texts to links\n\n    // Enable some language-neutral replacements + quotes beautification\n    typographer:  false,\n\n    // Double + single quotes replacement pairs, when typographer enabled,\n    // and smartquotes on. Could be either a String or an Array.\n    //\n    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n    // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n    quotes: '\\u201c\\u201d\\u2018\\u2019', /* “”‘’ */\n\n    // Highlighter function. Should return escaped HTML,\n    // or '' if the source string is not changed and should be escaped externaly.\n    // If result starts with <pre... internal wrapper is skipped.\n    //\n    // function (/*str, lang*/) { return ''; }\n    //\n    highlight: null,\n\n    maxNesting:   100            // Internal protection, recursion limit\n  },\n\n  components: {\n\n    core: {},\n    block: {},\n    inline: {}\n  }\n};\n","// \"Zero\" preset, with nothing enabled. Useful for manual configuring of simple\n// modes. For example, to parse bold/italic only.\n\n'use strict';\n\n\nmodule.exports = {\n  options: {\n    html:         false,        // Enable HTML tags in source\n    xhtmlOut:     false,        // Use '/' to close single tags (<br />)\n    breaks:       false,        // Convert '\\n' in paragraphs into <br>\n    langPrefix:   'language-',  // CSS language prefix for fenced blocks\n    linkify:      false,        // autoconvert URL-like texts to links\n\n    // Enable some language-neutral replacements + quotes beautification\n    typographer:  false,\n\n    // Double + single quotes replacement pairs, when typographer enabled,\n    // and smartquotes on. Could be either a String or an Array.\n    //\n    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n    // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n    quotes: '\\u201c\\u201d\\u2018\\u2019', /* “”‘’ */\n\n    // Highlighter function. Should return escaped HTML,\n    // or '' if the source string is not changed and should be escaped externaly.\n    // If result starts with <pre... internal wrapper is skipped.\n    //\n    // function (/*str, lang*/) { return ''; }\n    //\n    highlight: null,\n\n    maxNesting:   20            // Internal protection, recursion limit\n  },\n\n  components: {\n\n    core: {\n      rules: [\n        'normalize',\n        'block',\n        'inline'\n      ]\n    },\n\n    block: {\n      rules: [\n        'paragraph'\n      ]\n    },\n\n    inline: {\n      rules: [\n        'text'\n      ],\n      rules2: [\n        'balance_pairs',\n        'text_collapse'\n      ]\n    }\n  }\n};\n","// Commonmark default options\n\n'use strict';\n\n\nmodule.exports = {\n  options: {\n    html:         true,         // Enable HTML tags in source\n    xhtmlOut:     true,         // Use '/' to close single tags (<br />)\n    breaks:       false,        // Convert '\\n' in paragraphs into <br>\n    langPrefix:   'language-',  // CSS language prefix for fenced blocks\n    linkify:      false,        // autoconvert URL-like texts to links\n\n    // Enable some language-neutral replacements + quotes beautification\n    typographer:  false,\n\n    // Double + single quotes replacement pairs, when typographer enabled,\n    // and smartquotes on. Could be either a String or an Array.\n    //\n    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n    // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n    quotes: '\\u201c\\u201d\\u2018\\u2019', /* “”‘’ */\n\n    // Highlighter function. Should return escaped HTML,\n    // or '' if the source string is not changed and should be escaped externaly.\n    // If result starts with <pre... internal wrapper is skipped.\n    //\n    // function (/*str, lang*/) { return ''; }\n    //\n    highlight: null,\n\n    maxNesting:   20            // Internal protection, recursion limit\n  },\n\n  components: {\n\n    core: {\n      rules: [\n        'normalize',\n        'block',\n        'inline'\n      ]\n    },\n\n    block: {\n      rules: [\n        'blockquote',\n        'code',\n        'fence',\n        'heading',\n        'hr',\n        'html_block',\n        'lheading',\n        'list',\n        'reference',\n        'paragraph'\n      ]\n    },\n\n    inline: {\n      rules: [\n        'autolink',\n        'backticks',\n        'emphasis',\n        'entity',\n        'escape',\n        'html_inline',\n        'image',\n        'link',\n        'newline',\n        'text'\n      ],\n      rules2: [\n        'balance_pairs',\n        'emphasis',\n        'text_collapse'\n      ]\n    }\n  }\n};\n","// Markdown-it plugin to render GitHub-style task lists; see\n//\n// https://github.com/blog/1375-task-lists-in-gfm-issues-pulls-comments\n// https://github.com/blog/1825-task-lists-in-all-markdown-documents\n\nvar disableCheckboxes = true;\nvar useLabelWrapper = false;\nvar useLabelAfter = false;\n\nmodule.exports = function(md, options) {\n\tif (options) {\n\t\tdisableCheckboxes = !options.enabled;\n\t\tuseLabelWrapper = !!options.label;\n\t\tuseLabelAfter = !!options.labelAfter;\n\t}\n\n\tmd.core.ruler.after('inline', 'github-task-lists', function(state) {\n\t\tvar tokens = state.tokens;\n\t\tfor (var i = 2; i < tokens.length; i++) {\n\t\t\tif (isTodoItem(tokens, i)) {\n\t\t\t\ttodoify(tokens[i], state.Token);\n\t\t\t\tattrSet(tokens[i-2], 'class', 'task-list-item' + (!disableCheckboxes ? ' enabled' : ''));\n\t\t\t\tattrSet(tokens[parentToken(tokens, i-2)], 'class', 'contains-task-list');\n\t\t\t}\n\t\t}\n\t});\n};\n\nfunction attrSet(token, name, value) {\n\tvar index = token.attrIndex(name);\n\tvar attr = [name, value];\n\n\tif (index < 0) {\n\t\ttoken.attrPush(attr);\n\t} else {\n\t\ttoken.attrs[index] = attr;\n\t}\n}\n\nfunction parentToken(tokens, index) {\n\tvar targetLevel = tokens[index].level - 1;\n\tfor (var i = index - 1; i >= 0; i--) {\n\t\tif (tokens[i].level === targetLevel) {\n\t\t\treturn i;\n\t\t}\n\t}\n\treturn -1;\n}\n\nfunction isTodoItem(tokens, index) {\n\treturn isInline(tokens[index]) &&\n\t       isParagraph(tokens[index - 1]) &&\n\t       isListItem(tokens[index - 2]) &&\n\t       startsWithTodoMarkdown(tokens[index]);\n}\n\nfunction todoify(token, TokenConstructor) {\n\ttoken.children.unshift(makeCheckbox(token, TokenConstructor));\n\ttoken.children[1].content = token.children[1].content.slice(3);\n\ttoken.content = token.content.slice(3);\n\n\tif (useLabelWrapper) {\n\t\tif (useLabelAfter) {\n\t\t\ttoken.children.pop();\n\n\t\t\t// Use large random number as id property of the checkbox.\n\t\t\tvar id = 'task-item-' + Math.ceil(Math.random() * (10000 * 1000) - 1000);\n\t\t\ttoken.children[0].content = token.children[0].content.slice(0, -1) + ' id=\"' + id + '\">';\n\t\t\ttoken.children.push(afterLabel(token.content, id, TokenConstructor));\n\t\t} else {\n\t\t\ttoken.children.unshift(beginLabel(TokenConstructor));\n\t\t\ttoken.children.push(endLabel(TokenConstructor));\n\t\t}\n\t}\n}\n\nfunction makeCheckbox(token, TokenConstructor) {\n\tvar checkbox = new TokenConstructor('html_inline', '', 0);\n\tvar disabledAttr = disableCheckboxes ? ' disabled=\"\" ' : '';\n\tif (token.content.indexOf('[ ] ') === 0) {\n\t\tcheckbox.content = '<input class=\"task-list-item-checkbox\"' + disabledAttr + 'type=\"checkbox\">';\n\t} else if (token.content.indexOf('[x] ') === 0 || token.content.indexOf('[X] ') === 0) {\n\t\tcheckbox.content = '<input class=\"task-list-item-checkbox\" checked=\"\"' + disabledAttr + 'type=\"checkbox\">';\n\t}\n\treturn checkbox;\n}\n\n// these next two functions are kind of hacky; probably should really be a\n// true block-level token with .tag=='label'\nfunction beginLabel(TokenConstructor) {\n\tvar token = new TokenConstructor('html_inline', '', 0);\n\ttoken.content = '<label>';\n\treturn token;\n}\n\nfunction endLabel(TokenConstructor) {\n\tvar token = new TokenConstructor('html_inline', '', 0);\n\ttoken.content = '</label>';\n\treturn token;\n}\n\nfunction afterLabel(content, id, TokenConstructor) {\n\tvar token = new TokenConstructor('html_inline', '', 0);\n\ttoken.content = '<label class=\"task-list-item-label\" for=\"' + id + '\">' + content + '</label>';\n\ttoken.attrs = [{for: id}];\n\treturn token;\n}\n\nfunction isInline(token) { return token.type === 'inline'; }\nfunction isParagraph(token) { return token.type === 'paragraph_open'; }\nfunction isListItem(token) { return token.type === 'list_item_open'; }\n\nfunction startsWithTodoMarkdown(token) {\n\t// leading whitespace in a list item is already trimmed off by markdown-it\n\treturn token.content.indexOf('[ ] ') === 0 || token.content.indexOf('[x] ') === 0 || token.content.indexOf('[X] ') === 0;\n}\n","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./mentionui.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-mention-list-max-height:300px}.ck.ck-mentions{max-height:var(--ck-mention-list-max-height);overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain}.ck.ck-mentions>.ck-list__item{overflow:hidden;flex-shrink:0}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./mention.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \":root{--ck-color-mention-background:rgba(153,0,48,0.1);--ck-color-mention-text:#990030}.ck-content .mention{background:var(--ck-color-mention-background);color:var(--ck-color-mention-text)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./widgetresize.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck .ck-widget_with-resizer{position:relative}.ck .ck-widget__resizer{display:none;position:absolute;pointer-events:none;left:0;top:0}.ck-focused .ck-widget_with-resizer.ck-widget_selected>.ck-widget__resizer{display:block}.ck .ck-widget__resizer__handle{position:absolute;pointer-events:all}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-right,.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-left{cursor:nwse-resize}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-left,.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-right{cursor:nesw-resize}:root{--ck-resizer-size:10px;--ck-resizer-offset:calc(var(--ck-resizer-size)/-2 - 2px);--ck-resizer-border-width:1px}.ck .ck-widget__resizer{outline:1px solid var(--ck-color-resizer)}.ck .ck-widget__resizer__handle{width:var(--ck-resizer-size);height:var(--ck-resizer-size);background:var(--ck-color-focus-border);border:var(--ck-resizer-border-width) solid #fff;border-radius:var(--ck-resizer-border-radius)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-left{top:var(--ck-resizer-offset);left:var(--ck-resizer-offset)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-right{top:var(--ck-resizer-offset);right:var(--ck-resizer-offset)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-right{bottom:var(--ck-resizer-offset);right:var(--ck-resizer-offset)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-left{bottom:var(--ck-resizer-offset);left:var(--ck-resizer-offset)}\"","var api = require(\"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\");\n            var content = require(\"!!../../../postcss-loader/src/index.js??ref--5-1!./imageresize.css\");\n\n            content = content.__esModule ? content.default : content;\n\n            if (typeof content === 'string') {\n              content = [[module.id, content, '']];\n            }\n\nvar options = {\"injectType\":\"singletonStyleTag\"};\n\noptions.insert = \"head\";\noptions.singleton = true;\n\nvar update = api(content, options);\n\n\n\nmodule.exports = content.locals || {};","module.exports = \".ck-content .image.image_resized{max-width:100%;display:block;box-sizing:border-box}.ck-content .image.image_resized img{width:100%}.ck-content .image.image_resized>figcaption{display:block}[dir=ltr] .ck.ck-button.ck-button_with-text.ck-resize-image-button .ck-button__icon{margin-right:var(--ck-spacing-standard)}[dir=rtl] .ck.ck-button.ck-button_with-text.ck-resize-image-button .ck-button__icon{margin-left:var(--ck-spacing-standard)}.ck.ck-dropdown .ck-button.ck-resize-image-button .ck-button__label{width:4em}\"","import root from './_root.js';\n\n/** Built-in value references. */\nvar Symbol = root.Symbol;\n\nexport default Symbol;\n","import Symbol from './_Symbol.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/** Built-in value references. */\nvar symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n/**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\nfunction getRawTag(value) {\n  var isOwn = hasOwnProperty.call(value, symToStringTag),\n      tag = value[symToStringTag];\n\n  try {\n    value[symToStringTag] = undefined;\n    var unmasked = true;\n  } catch (e) {}\n\n  var result = nativeObjectToString.call(value);\n  if (unmasked) {\n    if (isOwn) {\n      value[symToStringTag] = tag;\n    } else {\n      delete value[symToStringTag];\n    }\n  }\n  return result;\n}\n\nexport default getRawTag;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n  return nativeObjectToString.call(value);\n}\n\nexport default objectToString;\n","import Symbol from './_Symbol.js';\nimport getRawTag from './_getRawTag.js';\nimport objectToString from './_objectToString.js';\n\n/** `Object#toString` result references. */\nvar nullTag = '[object Null]',\n    undefinedTag = '[object Undefined]';\n\n/** Built-in value references. */\nvar symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n/**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nfunction baseGetTag(value) {\n  if (value == null) {\n    return value === undefined ? undefinedTag : nullTag;\n  }\n  return (symToStringTag && symToStringTag in Object(value))\n    ? getRawTag(value)\n    : objectToString(value);\n}\n\nexport default baseGetTag;\n","/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n  return function(arg) {\n    return func(transform(arg));\n  };\n}\n\nexport default overArg;\n","import overArg from './_overArg.js';\n\n/** Built-in value references. */\nvar getPrototype = overArg(Object.getPrototypeOf, Object);\n\nexport default getPrototype;\n","/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return value != null && typeof value == 'object';\n}\n\nexport default isObjectLike;\n","import baseGetTag from './_baseGetTag.js';\nimport getPrototype from './_getPrototype.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar objectTag = '[object Object]';\n\n/** Used for built-in method references. */\nvar funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to infer the `Object` constructor. */\nvar objectCtorString = funcToString.call(Object);\n\n/**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\nfunction isPlainObject(value) {\n  if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n    return false;\n  }\n  var proto = getPrototype(value);\n  if (proto === null) {\n    return true;\n  }\n  var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n  return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n    funcToString.call(Ctor) == objectCtorString;\n}\n\nexport default isPlainObject;\n","/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n  this.__data__ = [];\n  this.size = 0;\n}\n\nexport default listCacheClear;\n","/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n  return value === other || (value !== value && other !== other);\n}\n\nexport default eq;\n","import eq from './eq.js';\n\n/**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction assocIndexOf(array, key) {\n  var length = array.length;\n  while (length--) {\n    if (eq(array[length][0], key)) {\n      return length;\n    }\n  }\n  return -1;\n}\n\nexport default assocIndexOf;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype;\n\n/** Built-in value references. */\nvar splice = arrayProto.splice;\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    return false;\n  }\n  var lastIndex = data.length - 1;\n  if (index == lastIndex) {\n    data.pop();\n  } else {\n    splice.call(data, index, 1);\n  }\n  --this.size;\n  return true;\n}\n\nexport default listCacheDelete;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  return index < 0 ? undefined : data[index][1];\n}\n\nexport default listCacheGet;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n  return assocIndexOf(this.__data__, key) > -1;\n}\n\nexport default listCacheHas;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    ++this.size;\n    data.push([key, value]);\n  } else {\n    data[index][1] = value;\n  }\n  return this;\n}\n\nexport default listCacheSet;\n","import listCacheClear from './_listCacheClear.js';\nimport listCacheDelete from './_listCacheDelete.js';\nimport listCacheGet from './_listCacheGet.js';\nimport listCacheHas from './_listCacheHas.js';\nimport listCacheSet from './_listCacheSet.js';\n\n/**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction ListCache(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `ListCache`.\nListCache.prototype.clear = listCacheClear;\nListCache.prototype['delete'] = listCacheDelete;\nListCache.prototype.get = listCacheGet;\nListCache.prototype.has = listCacheHas;\nListCache.prototype.set = listCacheSet;\n\nexport default ListCache;\n","import ListCache from './_ListCache.js';\n\n/**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\nfunction stackClear() {\n  this.__data__ = new ListCache;\n  this.size = 0;\n}\n\nexport default stackClear;\n","/**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction stackDelete(key) {\n  var data = this.__data__,\n      result = data['delete'](key);\n\n  this.size = data.size;\n  return result;\n}\n\nexport default stackDelete;\n","/**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction stackGet(key) {\n  return this.__data__.get(key);\n}\n\nexport default stackGet;\n","/**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction stackHas(key) {\n  return this.__data__.has(key);\n}\n\nexport default stackHas;\n","/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n  var type = typeof value;\n  return value != null && (type == 'object' || type == 'function');\n}\n\nexport default isObject;\n","import baseGetTag from './_baseGetTag.js';\nimport isObject from './isObject.js';\n\n/** `Object#toString` result references. */\nvar asyncTag = '[object AsyncFunction]',\n    funcTag = '[object Function]',\n    genTag = '[object GeneratorFunction]',\n    proxyTag = '[object Proxy]';\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n  if (!isObject(value)) {\n    return false;\n  }\n  // The use of `Object#toString` avoids issues with the `typeof` operator\n  // in Safari 9 which returns 'object' for typed arrays and other constructors.\n  var tag = baseGetTag(value);\n  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n}\n\nexport default isFunction;\n","import coreJsData from './_coreJsData.js';\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n  return uid ? ('Symbol(src)_1.' + uid) : '';\n}());\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n  return !!maskSrcKey && (maskSrcKey in func);\n}\n\nexport default isMasked;\n","import root from './_root.js';\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\nexport default coreJsData;\n","/** Used for built-in method references. */\nvar funcProto = Function.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n  if (func != null) {\n    try {\n      return funcToString.call(func);\n    } catch (e) {}\n    try {\n      return (func + '');\n    } catch (e) {}\n  }\n  return '';\n}\n\nexport default toSource;\n","import isFunction from './isFunction.js';\nimport isMasked from './_isMasked.js';\nimport isObject from './isObject.js';\nimport toSource from './_toSource.js';\n\n/**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\nvar reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g;\n\n/** Used to detect host constructors (Safari). */\nvar reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n/** Used for built-in method references. */\nvar funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to detect if a method is native. */\nvar reIsNative = RegExp('^' +\n  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n  .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n);\n\n/**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n *  else `false`.\n */\nfunction baseIsNative(value) {\n  if (!isObject(value) || isMasked(value)) {\n    return false;\n  }\n  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n  return pattern.test(toSource(value));\n}\n\nexport default baseIsNative;\n","/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n  return object == null ? undefined : object[key];\n}\n\nexport default getValue;\n","import baseIsNative from './_baseIsNative.js';\nimport getValue from './_getValue.js';\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n  var value = getValue(object, key);\n  return baseIsNative(value) ? value : undefined;\n}\n\nexport default getNative;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar Map = getNative(root, 'Map');\n\nexport default Map;\n","import getNative from './_getNative.js';\n\n/* Built-in method references that are verified to be native. */\nvar nativeCreate = getNative(Object, 'create');\n\nexport default nativeCreate;\n","import nativeCreate from './_nativeCreate.js';\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n  this.__data__ = nativeCreate ? nativeCreate(null) : {};\n  this.size = 0;\n}\n\nexport default hashClear;\n","/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n  var result = this.has(key) && delete this.__data__[key];\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\nexport default hashDelete;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n  var data = this.__data__;\n  if (nativeCreate) {\n    var result = data[key];\n    return result === HASH_UNDEFINED ? undefined : result;\n  }\n  return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\nexport default hashGet;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n  var data = this.__data__;\n  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n}\n\nexport default hashHas;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n  var data = this.__data__;\n  this.size += this.has(key) ? 0 : 1;\n  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n  return this;\n}\n\nexport default hashSet;\n","import hashClear from './_hashClear.js';\nimport hashDelete from './_hashDelete.js';\nimport hashGet from './_hashGet.js';\nimport hashHas from './_hashHas.js';\nimport hashSet from './_hashSet.js';\n\n/**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Hash(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `Hash`.\nHash.prototype.clear = hashClear;\nHash.prototype['delete'] = hashDelete;\nHash.prototype.get = hashGet;\nHash.prototype.has = hashHas;\nHash.prototype.set = hashSet;\n\nexport default Hash;\n","import Hash from './_Hash.js';\nimport ListCache from './_ListCache.js';\nimport Map from './_Map.js';\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n  this.size = 0;\n  this.__data__ = {\n    'hash': new Hash,\n    'map': new (Map || ListCache),\n    'string': new Hash\n  };\n}\n\nexport default mapCacheClear;\n","/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n  var type = typeof value;\n  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n    ? (value !== '__proto__')\n    : (value === null);\n}\n\nexport default isKeyable;\n","import isKeyable from './_isKeyable.js';\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n  var data = map.__data__;\n  return isKeyable(key)\n    ? data[typeof key == 'string' ? 'string' : 'hash']\n    : data.map;\n}\n\nexport default getMapData;\n","import getMapData from './_getMapData.js';\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n  var result = getMapData(this, key)['delete'](key);\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\nexport default mapCacheDelete;\n","import getMapData from './_getMapData.js';\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n  return getMapData(this, key).get(key);\n}\n\nexport default mapCacheGet;\n","import getMapData from './_getMapData.js';\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n  return getMapData(this, key).has(key);\n}\n\nexport default mapCacheHas;\n","import getMapData from './_getMapData.js';\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n  var data = getMapData(this, key),\n      size = data.size;\n\n  data.set(key, value);\n  this.size += data.size == size ? 0 : 1;\n  return this;\n}\n\nexport default mapCacheSet;\n","import mapCacheClear from './_mapCacheClear.js';\nimport mapCacheDelete from './_mapCacheDelete.js';\nimport mapCacheGet from './_mapCacheGet.js';\nimport mapCacheHas from './_mapCacheHas.js';\nimport mapCacheSet from './_mapCacheSet.js';\n\n/**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction MapCache(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `MapCache`.\nMapCache.prototype.clear = mapCacheClear;\nMapCache.prototype['delete'] = mapCacheDelete;\nMapCache.prototype.get = mapCacheGet;\nMapCache.prototype.has = mapCacheHas;\nMapCache.prototype.set = mapCacheSet;\n\nexport default MapCache;\n","import ListCache from './_ListCache.js';\nimport Map from './_Map.js';\nimport MapCache from './_MapCache.js';\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\nfunction stackSet(key, value) {\n  var data = this.__data__;\n  if (data instanceof ListCache) {\n    var pairs = data.__data__;\n    if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n      pairs.push([key, value]);\n      this.size = ++data.size;\n      return this;\n    }\n    data = this.__data__ = new MapCache(pairs);\n  }\n  data.set(key, value);\n  this.size = data.size;\n  return this;\n}\n\nexport default stackSet;\n","import ListCache from './_ListCache.js';\nimport stackClear from './_stackClear.js';\nimport stackDelete from './_stackDelete.js';\nimport stackGet from './_stackGet.js';\nimport stackHas from './_stackHas.js';\nimport stackSet from './_stackSet.js';\n\n/**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Stack(entries) {\n  var data = this.__data__ = new ListCache(entries);\n  this.size = data.size;\n}\n\n// Add methods to `Stack`.\nStack.prototype.clear = stackClear;\nStack.prototype['delete'] = stackDelete;\nStack.prototype.get = stackGet;\nStack.prototype.has = stackHas;\nStack.prototype.set = stackSet;\n\nexport default Stack;\n","/**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\nfunction arrayEach(array, iteratee) {\n  var index = -1,\n      length = array == null ? 0 : array.length;\n\n  while (++index < length) {\n    if (iteratee(array[index], index, array) === false) {\n      break;\n    }\n  }\n  return array;\n}\n\nexport default arrayEach;\n","import getNative from './_getNative.js';\n\nvar defineProperty = (function() {\n  try {\n    var func = getNative(Object, 'defineProperty');\n    func({}, '', {});\n    return func;\n  } catch (e) {}\n}());\n\nexport default defineProperty;\n","import defineProperty from './_defineProperty.js';\n\n/**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction baseAssignValue(object, key, value) {\n  if (key == '__proto__' && defineProperty) {\n    defineProperty(object, key, {\n      'configurable': true,\n      'enumerable': true,\n      'value': value,\n      'writable': true\n    });\n  } else {\n    object[key] = value;\n  }\n}\n\nexport default baseAssignValue;\n","import baseAssignValue from './_baseAssignValue.js';\nimport eq from './eq.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction assignValue(object, key, value) {\n  var objValue = object[key];\n  if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n      (value === undefined && !(key in object))) {\n    baseAssignValue(object, key, value);\n  }\n}\n\nexport default assignValue;\n","import assignValue from './_assignValue.js';\nimport baseAssignValue from './_baseAssignValue.js';\n\n/**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\nfunction copyObject(source, props, object, customizer) {\n  var isNew = !object;\n  object || (object = {});\n\n  var index = -1,\n      length = props.length;\n\n  while (++index < length) {\n    var key = props[index];\n\n    var newValue = customizer\n      ? customizer(object[key], source[key], key, object, source)\n      : undefined;\n\n    if (newValue === undefined) {\n      newValue = source[key];\n    }\n    if (isNew) {\n      baseAssignValue(object, key, newValue);\n    } else {\n      assignValue(object, key, newValue);\n    }\n  }\n  return object;\n}\n\nexport default copyObject;\n","/**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\nfunction baseTimes(n, iteratee) {\n  var index = -1,\n      result = Array(n);\n\n  while (++index < n) {\n    result[index] = iteratee(index);\n  }\n  return result;\n}\n\nexport default baseTimes;\n","import baseGetTag from './_baseGetTag.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]';\n\n/**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\nfunction baseIsArguments(value) {\n  return isObjectLike(value) && baseGetTag(value) == argsTag;\n}\n\nexport default baseIsArguments;\n","import baseIsArguments from './_baseIsArguments.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Built-in value references. */\nvar propertyIsEnumerable = objectProto.propertyIsEnumerable;\n\n/**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n *  else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\nvar isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n  return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n    !propertyIsEnumerable.call(value, 'callee');\n};\n\nexport default isArguments;\n","/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\nexport default isArray;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/** Used to detect unsigned integer values. */\nvar reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n/**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\nfunction isIndex(value, length) {\n  var type = typeof value;\n  length = length == null ? MAX_SAFE_INTEGER : length;\n\n  return !!length &&\n    (type == 'number' ||\n      (type != 'symbol' && reIsUint.test(value))) &&\n        (value > -1 && value % 1 == 0 && value < length);\n}\n\nexport default isIndex;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\nfunction isLength(value) {\n  return typeof value == 'number' &&\n    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n}\n\nexport default isLength;\n","import baseGetTag from './_baseGetTag.js';\nimport isLength from './isLength.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n    arrayTag = '[object Array]',\n    boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    errorTag = '[object Error]',\n    funcTag = '[object Function]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    objectTag = '[object Object]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    weakMapTag = '[object WeakMap]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]',\n    float32Tag = '[object Float32Array]',\n    float64Tag = '[object Float64Array]',\n    int8Tag = '[object Int8Array]',\n    int16Tag = '[object Int16Array]',\n    int32Tag = '[object Int32Array]',\n    uint8Tag = '[object Uint8Array]',\n    uint8ClampedTag = '[object Uint8ClampedArray]',\n    uint16Tag = '[object Uint16Array]',\n    uint32Tag = '[object Uint32Array]';\n\n/** Used to identify `toStringTag` values of typed arrays. */\nvar typedArrayTags = {};\ntypedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\ntypedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\ntypedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\ntypedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\ntypedArrayTags[uint32Tag] = true;\ntypedArrayTags[argsTag] = typedArrayTags[arrayTag] =\ntypedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\ntypedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\ntypedArrayTags[errorTag] = typedArrayTags[funcTag] =\ntypedArrayTags[mapTag] = typedArrayTags[numberTag] =\ntypedArrayTags[objectTag] = typedArrayTags[regexpTag] =\ntypedArrayTags[setTag] = typedArrayTags[stringTag] =\ntypedArrayTags[weakMapTag] = false;\n\n/**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\nfunction baseIsTypedArray(value) {\n  return isObjectLike(value) &&\n    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n}\n\nexport default baseIsTypedArray;\n","/**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\nfunction baseUnary(func) {\n  return function(value) {\n    return func(value);\n  };\n}\n\nexport default baseUnary;\n","import baseIsTypedArray from './_baseIsTypedArray.js';\nimport baseUnary from './_baseUnary.js';\nimport nodeUtil from './_nodeUtil.js';\n\n/* Node.js helper references. */\nvar nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n/**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\nvar isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\nexport default isTypedArray;\n","import baseTimes from './_baseTimes.js';\nimport isArguments from './isArguments.js';\nimport isArray from './isArray.js';\nimport isBuffer from './isBuffer.js';\nimport isIndex from './_isIndex.js';\nimport isTypedArray from './isTypedArray.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\nfunction arrayLikeKeys(value, inherited) {\n  var isArr = isArray(value),\n      isArg = !isArr && isArguments(value),\n      isBuff = !isArr && !isArg && isBuffer(value),\n      isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n      skipIndexes = isArr || isArg || isBuff || isType,\n      result = skipIndexes ? baseTimes(value.length, String) : [],\n      length = result.length;\n\n  for (var key in value) {\n    if ((inherited || hasOwnProperty.call(value, key)) &&\n        !(skipIndexes && (\n           // Safari 9 has enumerable `arguments.length` in strict mode.\n           key == 'length' ||\n           // Node.js 0.10 has enumerable non-index properties on buffers.\n           (isBuff && (key == 'offset' || key == 'parent')) ||\n           // PhantomJS 2 has enumerable non-index properties on typed arrays.\n           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n           // Skip index properties.\n           isIndex(key, length)\n        ))) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default arrayLikeKeys;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\nfunction isPrototype(value) {\n  var Ctor = value && value.constructor,\n      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n  return value === proto;\n}\n\nexport default isPrototype;\n","import overArg from './_overArg.js';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeKeys = overArg(Object.keys, Object);\n\nexport default nativeKeys;\n","import isPrototype from './_isPrototype.js';\nimport nativeKeys from './_nativeKeys.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction baseKeys(object) {\n  if (!isPrototype(object)) {\n    return nativeKeys(object);\n  }\n  var result = [];\n  for (var key in Object(object)) {\n    if (hasOwnProperty.call(object, key) && key != 'constructor') {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default baseKeys;\n","import isFunction from './isFunction.js';\nimport isLength from './isLength.js';\n\n/**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\nfunction isArrayLike(value) {\n  return value != null && isLength(value.length) && !isFunction(value);\n}\n\nexport default isArrayLike;\n","import arrayLikeKeys from './_arrayLikeKeys.js';\nimport baseKeys from './_baseKeys.js';\nimport isArrayLike from './isArrayLike.js';\n\n/**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n *   this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\nfunction keys(object) {\n  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n}\n\nexport default keys;\n","import copyObject from './_copyObject.js';\nimport keys from './keys.js';\n\n/**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\nfunction baseAssign(object, source) {\n  return object && copyObject(source, keys(source), object);\n}\n\nexport default baseAssign;\n","/**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction nativeKeysIn(object) {\n  var result = [];\n  if (object != null) {\n    for (var key in Object(object)) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default nativeKeysIn;\n","import isObject from './isObject.js';\nimport isPrototype from './_isPrototype.js';\nimport nativeKeysIn from './_nativeKeysIn.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction baseKeysIn(object) {\n  if (!isObject(object)) {\n    return nativeKeysIn(object);\n  }\n  var isProto = isPrototype(object),\n      result = [];\n\n  for (var key in object) {\n    if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default baseKeysIn;\n","import arrayLikeKeys from './_arrayLikeKeys.js';\nimport baseKeysIn from './_baseKeysIn.js';\nimport isArrayLike from './isArrayLike.js';\n\n/**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n *   this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\nfunction keysIn(object) {\n  return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n}\n\nexport default keysIn;\n","import copyObject from './_copyObject.js';\nimport keysIn from './keysIn.js';\n\n/**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\nfunction baseAssignIn(object, source) {\n  return object && copyObject(source, keysIn(source), object);\n}\n\nexport default baseAssignIn;\n","/**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\nfunction copyArray(source, array) {\n  var index = -1,\n      length = source.length;\n\n  array || (array = Array(length));\n  while (++index < length) {\n    array[index] = source[index];\n  }\n  return array;\n}\n\nexport default copyArray;\n","/**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\nfunction arrayFilter(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      resIndex = 0,\n      result = [];\n\n  while (++index < length) {\n    var value = array[index];\n    if (predicate(value, index, array)) {\n      result[resIndex++] = value;\n    }\n  }\n  return result;\n}\n\nexport default arrayFilter;\n","/**\n * This method returns a new empty array.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {Array} Returns the new empty array.\n * @example\n *\n * var arrays = _.times(2, _.stubArray);\n *\n * console.log(arrays);\n * // => [[], []]\n *\n * console.log(arrays[0] === arrays[1]);\n * // => false\n */\nfunction stubArray() {\n  return [];\n}\n\nexport default stubArray;\n","import arrayFilter from './_arrayFilter.js';\nimport stubArray from './stubArray.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Built-in value references. */\nvar propertyIsEnumerable = objectProto.propertyIsEnumerable;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeGetSymbols = Object.getOwnPropertySymbols;\n\n/**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\nvar getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n  if (object == null) {\n    return [];\n  }\n  object = Object(object);\n  return arrayFilter(nativeGetSymbols(object), function(symbol) {\n    return propertyIsEnumerable.call(object, symbol);\n  });\n};\n\nexport default getSymbols;\n","import copyObject from './_copyObject.js';\nimport getSymbols from './_getSymbols.js';\n\n/**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\nfunction copySymbols(source, object) {\n  return copyObject(source, getSymbols(source), object);\n}\n\nexport default copySymbols;\n","/**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\nfunction arrayPush(array, values) {\n  var index = -1,\n      length = values.length,\n      offset = array.length;\n\n  while (++index < length) {\n    array[offset + index] = values[index];\n  }\n  return array;\n}\n\nexport default arrayPush;\n","import arrayPush from './_arrayPush.js';\nimport getPrototype from './_getPrototype.js';\nimport getSymbols from './_getSymbols.js';\nimport stubArray from './stubArray.js';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeGetSymbols = Object.getOwnPropertySymbols;\n\n/**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\nvar getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n  var result = [];\n  while (object) {\n    arrayPush(result, getSymbols(object));\n    object = getPrototype(object);\n  }\n  return result;\n};\n\nexport default getSymbolsIn;\n","import copyObject from './_copyObject.js';\nimport getSymbolsIn from './_getSymbolsIn.js';\n\n/**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\nfunction copySymbolsIn(source, object) {\n  return copyObject(source, getSymbolsIn(source), object);\n}\n\nexport default copySymbolsIn;\n","import arrayPush from './_arrayPush.js';\nimport isArray from './isArray.js';\n\n/**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction baseGetAllKeys(object, keysFunc, symbolsFunc) {\n  var result = keysFunc(object);\n  return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n}\n\nexport default baseGetAllKeys;\n","import baseGetAllKeys from './_baseGetAllKeys.js';\nimport getSymbols from './_getSymbols.js';\nimport keys from './keys.js';\n\n/**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction getAllKeys(object) {\n  return baseGetAllKeys(object, keys, getSymbols);\n}\n\nexport default getAllKeys;\n","import baseGetAllKeys from './_baseGetAllKeys.js';\nimport getSymbolsIn from './_getSymbolsIn.js';\nimport keysIn from './keysIn.js';\n\n/**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction getAllKeysIn(object) {\n  return baseGetAllKeys(object, keysIn, getSymbolsIn);\n}\n\nexport default getAllKeysIn;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar DataView = getNative(root, 'DataView');\n\nexport default DataView;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar Promise = getNative(root, 'Promise');\n\nexport default Promise;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar Set = getNative(root, 'Set');\n\nexport default Set;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar WeakMap = getNative(root, 'WeakMap');\n\nexport default WeakMap;\n","import DataView from './_DataView.js';\nimport Map from './_Map.js';\nimport Promise from './_Promise.js';\nimport Set from './_Set.js';\nimport WeakMap from './_WeakMap.js';\nimport baseGetTag from './_baseGetTag.js';\nimport toSource from './_toSource.js';\n\n/** `Object#toString` result references. */\nvar mapTag = '[object Map]',\n    objectTag = '[object Object]',\n    promiseTag = '[object Promise]',\n    setTag = '[object Set]',\n    weakMapTag = '[object WeakMap]';\n\nvar dataViewTag = '[object DataView]';\n\n/** Used to detect maps, sets, and weakmaps. */\nvar dataViewCtorString = toSource(DataView),\n    mapCtorString = toSource(Map),\n    promiseCtorString = toSource(Promise),\n    setCtorString = toSource(Set),\n    weakMapCtorString = toSource(WeakMap);\n\n/**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nvar getTag = baseGetTag;\n\n// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\nif ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n    (Map && getTag(new Map) != mapTag) ||\n    (Promise && getTag(Promise.resolve()) != promiseTag) ||\n    (Set && getTag(new Set) != setTag) ||\n    (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n  getTag = function(value) {\n    var result = baseGetTag(value),\n        Ctor = result == objectTag ? value.constructor : undefined,\n        ctorString = Ctor ? toSource(Ctor) : '';\n\n    if (ctorString) {\n      switch (ctorString) {\n        case dataViewCtorString: return dataViewTag;\n        case mapCtorString: return mapTag;\n        case promiseCtorString: return promiseTag;\n        case setCtorString: return setTag;\n        case weakMapCtorString: return weakMapTag;\n      }\n    }\n    return result;\n  };\n}\n\nexport default getTag;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\nfunction initCloneArray(array) {\n  var length = array.length,\n      result = new array.constructor(length);\n\n  // Add properties assigned by `RegExp#exec`.\n  if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n    result.index = array.index;\n    result.input = array.input;\n  }\n  return result;\n}\n\nexport default initCloneArray;\n","import root from './_root.js';\n\n/** Built-in value references. */\nvar Uint8Array = root.Uint8Array;\n\nexport default Uint8Array;\n","import Uint8Array from './_Uint8Array.js';\n\n/**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\nfunction cloneArrayBuffer(arrayBuffer) {\n  var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n  new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n  return result;\n}\n\nexport default cloneArrayBuffer;\n","import cloneArrayBuffer from './_cloneArrayBuffer.js';\n\n/**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\nfunction cloneDataView(dataView, isDeep) {\n  var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n  return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n}\n\nexport default cloneDataView;\n","/** Used to match `RegExp` flags from their coerced string values. */\nvar reFlags = /\\w*$/;\n\n/**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\nfunction cloneRegExp(regexp) {\n  var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n  result.lastIndex = regexp.lastIndex;\n  return result;\n}\n\nexport default cloneRegExp;\n","import Symbol from './_Symbol.js';\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;\n\n/**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\nfunction cloneSymbol(symbol) {\n  return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n}\n\nexport default cloneSymbol;\n","import cloneArrayBuffer from './_cloneArrayBuffer.js';\n\n/**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\nfunction cloneTypedArray(typedArray, isDeep) {\n  var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n  return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n}\n\nexport default cloneTypedArray;\n","import cloneArrayBuffer from './_cloneArrayBuffer.js';\nimport cloneDataView from './_cloneDataView.js';\nimport cloneRegExp from './_cloneRegExp.js';\nimport cloneSymbol from './_cloneSymbol.js';\nimport cloneTypedArray from './_cloneTypedArray.js';\n\n/** `Object#toString` result references. */\nvar boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    symbolTag = '[object Symbol]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]',\n    float32Tag = '[object Float32Array]',\n    float64Tag = '[object Float64Array]',\n    int8Tag = '[object Int8Array]',\n    int16Tag = '[object Int16Array]',\n    int32Tag = '[object Int32Array]',\n    uint8Tag = '[object Uint8Array]',\n    uint8ClampedTag = '[object Uint8ClampedArray]',\n    uint16Tag = '[object Uint16Array]',\n    uint32Tag = '[object Uint32Array]';\n\n/**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\nfunction initCloneByTag(object, tag, isDeep) {\n  var Ctor = object.constructor;\n  switch (tag) {\n    case arrayBufferTag:\n      return cloneArrayBuffer(object);\n\n    case boolTag:\n    case dateTag:\n      return new Ctor(+object);\n\n    case dataViewTag:\n      return cloneDataView(object, isDeep);\n\n    case float32Tag: case float64Tag:\n    case int8Tag: case int16Tag: case int32Tag:\n    case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n      return cloneTypedArray(object, isDeep);\n\n    case mapTag:\n      return new Ctor;\n\n    case numberTag:\n    case stringTag:\n      return new Ctor(object);\n\n    case regexpTag:\n      return cloneRegExp(object);\n\n    case setTag:\n      return new Ctor;\n\n    case symbolTag:\n      return cloneSymbol(object);\n  }\n}\n\nexport default initCloneByTag;\n","import isObject from './isObject.js';\n\n/** Built-in value references. */\nvar objectCreate = Object.create;\n\n/**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\nvar baseCreate = (function() {\n  function object() {}\n  return function(proto) {\n    if (!isObject(proto)) {\n      return {};\n    }\n    if (objectCreate) {\n      return objectCreate(proto);\n    }\n    object.prototype = proto;\n    var result = new object;\n    object.prototype = undefined;\n    return result;\n  };\n}());\n\nexport default baseCreate;\n","import baseCreate from './_baseCreate.js';\nimport getPrototype from './_getPrototype.js';\nimport isPrototype from './_isPrototype.js';\n\n/**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\nfunction initCloneObject(object) {\n  return (typeof object.constructor == 'function' && !isPrototype(object))\n    ? baseCreate(getPrototype(object))\n    : {};\n}\n\nexport default initCloneObject;\n","import getTag from './_getTag.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar mapTag = '[object Map]';\n\n/**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\nfunction baseIsMap(value) {\n  return isObjectLike(value) && getTag(value) == mapTag;\n}\n\nexport default baseIsMap;\n","import baseIsMap from './_baseIsMap.js';\nimport baseUnary from './_baseUnary.js';\nimport nodeUtil from './_nodeUtil.js';\n\n/* Node.js helper references. */\nvar nodeIsMap = nodeUtil && nodeUtil.isMap;\n\n/**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\nvar isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\nexport default isMap;\n","import getTag from './_getTag.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar setTag = '[object Set]';\n\n/**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\nfunction baseIsSet(value) {\n  return isObjectLike(value) && getTag(value) == setTag;\n}\n\nexport default baseIsSet;\n","import baseIsSet from './_baseIsSet.js';\nimport baseUnary from './_baseUnary.js';\nimport nodeUtil from './_nodeUtil.js';\n\n/* Node.js helper references. */\nvar nodeIsSet = nodeUtil && nodeUtil.isSet;\n\n/**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\nvar isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\nexport default isSet;\n","import Stack from './_Stack.js';\nimport arrayEach from './_arrayEach.js';\nimport assignValue from './_assignValue.js';\nimport baseAssign from './_baseAssign.js';\nimport baseAssignIn from './_baseAssignIn.js';\nimport cloneBuffer from './_cloneBuffer.js';\nimport copyArray from './_copyArray.js';\nimport copySymbols from './_copySymbols.js';\nimport copySymbolsIn from './_copySymbolsIn.js';\nimport getAllKeys from './_getAllKeys.js';\nimport getAllKeysIn from './_getAllKeysIn.js';\nimport getTag from './_getTag.js';\nimport initCloneArray from './_initCloneArray.js';\nimport initCloneByTag from './_initCloneByTag.js';\nimport initCloneObject from './_initCloneObject.js';\nimport isArray from './isArray.js';\nimport isBuffer from './isBuffer.js';\nimport isMap from './isMap.js';\nimport isObject from './isObject.js';\nimport isSet from './isSet.js';\nimport keys from './keys.js';\nimport keysIn from './keysIn.js';\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_DEEP_FLAG = 1,\n    CLONE_FLAT_FLAG = 2,\n    CLONE_SYMBOLS_FLAG = 4;\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n    arrayTag = '[object Array]',\n    boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    errorTag = '[object Error]',\n    funcTag = '[object Function]',\n    genTag = '[object GeneratorFunction]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    objectTag = '[object Object]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    symbolTag = '[object Symbol]',\n    weakMapTag = '[object WeakMap]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]',\n    float32Tag = '[object Float32Array]',\n    float64Tag = '[object Float64Array]',\n    int8Tag = '[object Int8Array]',\n    int16Tag = '[object Int16Array]',\n    int32Tag = '[object Int32Array]',\n    uint8Tag = '[object Uint8Array]',\n    uint8ClampedTag = '[object Uint8ClampedArray]',\n    uint16Tag = '[object Uint16Array]',\n    uint32Tag = '[object Uint32Array]';\n\n/** Used to identify `toStringTag` values supported by `_.clone`. */\nvar cloneableTags = {};\ncloneableTags[argsTag] = cloneableTags[arrayTag] =\ncloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\ncloneableTags[boolTag] = cloneableTags[dateTag] =\ncloneableTags[float32Tag] = cloneableTags[float64Tag] =\ncloneableTags[int8Tag] = cloneableTags[int16Tag] =\ncloneableTags[int32Tag] = cloneableTags[mapTag] =\ncloneableTags[numberTag] = cloneableTags[objectTag] =\ncloneableTags[regexpTag] = cloneableTags[setTag] =\ncloneableTags[stringTag] = cloneableTags[symbolTag] =\ncloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\ncloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\ncloneableTags[errorTag] = cloneableTags[funcTag] =\ncloneableTags[weakMapTag] = false;\n\n/**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n *  1 - Deep clone\n *  2 - Flatten inherited properties\n *  4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\nfunction baseClone(value, bitmask, customizer, key, object, stack) {\n  var result,\n      isDeep = bitmask & CLONE_DEEP_FLAG,\n      isFlat = bitmask & CLONE_FLAT_FLAG,\n      isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n  if (customizer) {\n    result = object ? customizer(value, key, object, stack) : customizer(value);\n  }\n  if (result !== undefined) {\n    return result;\n  }\n  if (!isObject(value)) {\n    return value;\n  }\n  var isArr = isArray(value);\n  if (isArr) {\n    result = initCloneArray(value);\n    if (!isDeep) {\n      return copyArray(value, result);\n    }\n  } else {\n    var tag = getTag(value),\n        isFunc = tag == funcTag || tag == genTag;\n\n    if (isBuffer(value)) {\n      return cloneBuffer(value, isDeep);\n    }\n    if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n      result = (isFlat || isFunc) ? {} : initCloneObject(value);\n      if (!isDeep) {\n        return isFlat\n          ? copySymbolsIn(value, baseAssignIn(result, value))\n          : copySymbols(value, baseAssign(result, value));\n      }\n    } else {\n      if (!cloneableTags[tag]) {\n        return object ? value : {};\n      }\n      result = initCloneByTag(value, tag, isDeep);\n    }\n  }\n  // Check for circular references and return its corresponding clone.\n  stack || (stack = new Stack);\n  var stacked = stack.get(value);\n  if (stacked) {\n    return stacked;\n  }\n  stack.set(value, result);\n\n  if (isSet(value)) {\n    value.forEach(function(subValue) {\n      result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n    });\n  } else if (isMap(value)) {\n    value.forEach(function(subValue, key) {\n      result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n    });\n  }\n\n  var keysFunc = isFull\n    ? (isFlat ? getAllKeysIn : getAllKeys)\n    : (isFlat ? keysIn : keys);\n\n  var props = isArr ? undefined : keysFunc(value);\n  arrayEach(props || value, function(subValue, key) {\n    if (props) {\n      key = subValue;\n      subValue = value[key];\n    }\n    // Recursively populate clone (susceptible to call stack limits).\n    assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n  });\n  return result;\n}\n\nexport default baseClone;\n","import baseClone from './_baseClone.js';\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_DEEP_FLAG = 1,\n    CLONE_SYMBOLS_FLAG = 4;\n\n/**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n *   if (_.isElement(value)) {\n *     return value.cloneNode(true);\n *   }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\nfunction cloneDeepWith(value, customizer) {\n  customizer = typeof customizer == 'function' ? customizer : undefined;\n  return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n}\n\nexport default cloneDeepWith;\n","import isObjectLike from './isObjectLike.js';\nimport isPlainObject from './isPlainObject.js';\n\n/**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('<body>');\n * // => false\n */\nfunction isElement(value) {\n  return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n}\n\nexport default isElement;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/config\n */\n\nimport { isPlainObject, isElement, cloneDeepWith } from 'lodash-es';\n\n/**\n * Handles a configuration dictionary.\n */\nexport default class Config {\n\t/**\n\t * Creates an instance of the {@link ~Config} class.\n\t *\n\t * @param {Object} [configurations] The initial configurations to be set. Usually, provided by the user.\n\t * @param {Object} [defaultConfigurations] The default configurations. Usually, provided by the system.\n\t */\n\tconstructor( configurations, defaultConfigurations ) {\n\t\t/**\n\t\t * Store for the whole configuration.\n\t\t *\n\t\t * @private\n\t\t * @member {Object}\n\t\t */\n\t\tthis._config = {};\n\n\t\t// Set default configuration.\n\t\tif ( defaultConfigurations ) {\n\t\t\t// Clone the configuration to make sure that the properties will not be shared\n\t\t\t// between editors and make the watchdog feature work correctly.\n\t\t\tthis.define( cloneConfig( defaultConfigurations ) );\n\t\t}\n\n\t\t// Set initial configuration.\n\t\tif ( configurations ) {\n\t\t\tthis._setObjectToTarget( this._config, configurations );\n\t\t}\n\t}\n\n\t/**\n\t * Set configuration values.\n\t *\n\t * It accepts both a name/value pair or an object, which properties and values will be used to set\n\t * configurations.\n\t *\n\t * It also accepts setting a \"deep configuration\" by using dots in the name. For example, `'resize.width'` sets\n\t * the value for the `width` configuration in the `resize` subset.\n\t *\n\t *\t\tconfig.set( 'width', 500 );\n\t *\t\tconfig.set( 'toolbar.collapsed', true );\n\t *\n\t *\t\t// Equivalent to:\n\t *\t\tconfig.set( {\n\t *\t\t\twidth: 500\n\t *\t\t\ttoolbar: {\n\t *\t\t\t\tcollapsed: true\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Passing an object as the value will amend the configuration, not replace it.\n\t *\n\t *\t\tconfig.set( 'toolbar', {\n\t *\t\t\tcollapsed: true,\n\t *\t\t} );\n\t *\n\t *\t\tconfig.set( 'toolbar', {\n\t *\t\t\tcolor: 'red',\n\t *\t\t} );\n\t *\n\t *\t\tconfig.get( 'toolbar.collapsed' ); // true\n\t *\t\tconfig.get( 'toolbar.color' ); // 'red'\n\t *\n\t * @param {String|Object} name The configuration name or an object from which take properties as\n\t * configuration entries. Configuration names are case-sensitive.\n\t * @param {*} value The configuration value. Used if a name is passed.\n\t */\n\tset( name, value ) {\n\t\tthis._setToTarget( this._config, name, value );\n\t}\n\n\t/**\n\t * Does exactly the same as {@link #set} with one exception – passed configuration extends\n\t * existing one, but does not overwrite already defined values.\n\t *\n\t * This method is supposed to be called by plugin developers to setup plugin's configurations. It would be\n\t * rarely used for other needs.\n\t *\n\t * @param {String|Object} name The configuration name or an object from which take properties as\n\t * configuration entries. Configuration names are case-sensitive.\n\t * @param {*} value The configuration value. Used if a name is passed.\n\t */\n\tdefine( name, value ) {\n\t\tconst isDefine = true;\n\n\t\tthis._setToTarget( this._config, name, value, isDefine );\n\t}\n\n\t/**\n\t * Gets the value for a configuration entry.\n\t *\n\t *\t\tconfig.get( 'name' );\n\t *\n\t * Deep configurations can be retrieved by separating each part with a dot.\n\t *\n\t *\t\tconfig.get( 'toolbar.collapsed' );\n\t *\n\t * @param {String} name The configuration name. Configuration names are case-sensitive.\n\t * @returns {*} The configuration value or `undefined` if the configuration entry was not found.\n\t */\n\tget( name ) {\n\t\treturn this._getFromSource( this._config, name );\n\t}\n\n\t/**\n\t * Iterates over all top level configuration names.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\t* names() {\n\t\tfor ( const name of Object.keys( this._config ) ) {\n\t\t\tyield name;\n\t\t}\n\t}\n\n\t/**\n\t * Saves passed configuration to the specified target (nested object).\n\t *\n\t * @private\n\t * @param {Object} target Nested config object.\n\t * @param {String|Object} name The configuration name or an object from which take properties as\n\t * configuration entries. Configuration names are case-sensitive.\n\t * @param {*} value The configuration value. Used if a name is passed.\n\t * @param {Boolean} [isDefine=false] Define if passed configuration should overwrite existing one.\n\t */\n\t_setToTarget( target, name, value, isDefine = false ) {\n\t\t// In case of an object, iterate through it and call `_setToTarget` again for each property.\n\t\tif ( isPlainObject( name ) ) {\n\t\t\tthis._setObjectToTarget( target, name, isDefine );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// The configuration name should be split into parts if it has dots. E.g. `resize.width` -> [`resize`, `width`].\n\t\tconst parts = name.split( '.' );\n\n\t\t// Take the name of the configuration out of the parts. E.g. `resize.width` -> `width`.\n\t\tname = parts.pop();\n\n\t\t// Iterate over parts to check if currently stored configuration has proper structure.\n\t\tfor ( const part of parts ) {\n\t\t\t// If there is no object for specified part then create one.\n\t\t\tif ( !isPlainObject( target[ part ] ) ) {\n\t\t\t\ttarget[ part ] = {};\n\t\t\t}\n\n\t\t\t// Nested object becomes a target.\n\t\t\ttarget = target[ part ];\n\t\t}\n\n\t\t// In case of value is an object.\n\t\tif ( isPlainObject( value ) ) {\n\t\t\t// We take care of proper config structure.\n\t\t\tif ( !isPlainObject( target[ name ] ) ) {\n\t\t\t\ttarget[ name ] = {};\n\t\t\t}\n\n\t\t\ttarget = target[ name ];\n\n\t\t\t// And iterate through this object calling `_setToTarget` again for each property.\n\t\t\tthis._setObjectToTarget( target, value, isDefine );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Do nothing if we are defining configuration for non empty name.\n\t\tif ( isDefine && typeof target[ name ] != 'undefined' ) {\n\t\t\treturn;\n\t\t}\n\n\t\ttarget[ name ] = value;\n\t}\n\n\t/**\n\t * Get specified configuration from specified source (nested object).\n\t *\n\t * @private\n\t * @param {Object} source level of nested object.\n\t * @param {String} name The configuration name. Configuration names are case-sensitive.\n\t * @returns {*} The configuration value or `undefined` if the configuration entry was not found.\n\t */\n\t_getFromSource( source, name ) {\n\t\t// The configuration name should be split into parts if it has dots. E.g. `resize.width` -> [`resize`, `width`].\n\t\tconst parts = name.split( '.' );\n\n\t\t// Take the name of the configuration out of the parts. E.g. `resize.width` -> `width`.\n\t\tname = parts.pop();\n\n\t\t// Iterate over parts to check if currently stored configuration has proper structure.\n\t\tfor ( const part of parts ) {\n\t\t\tif ( !isPlainObject( source[ part ] ) ) {\n\t\t\t\tsource = null;\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\t// Nested object becomes a source.\n\t\t\tsource = source[ part ];\n\t\t}\n\n\t\t// Always returns undefined for non existing configuration.\n\t\treturn source ? cloneConfig( source[ name ] ) : undefined;\n\t}\n\n\t/**\n\t * Iterates through passed object and calls {@link #_setToTarget} method with object key and value for each property.\n\t *\n\t * @private\n\t * @param {Object} target Nested config object.\n\t * @param {Object} configuration Configuration data set\n\t * @param {Boolean} [isDefine] Defines if passed configuration is default configuration or not.\n\t */\n\t_setObjectToTarget( target, configuration, isDefine ) {\n\t\tObject.keys( configuration ).forEach( key => {\n\t\t\tthis._setToTarget( target, key, configuration[ key ], isDefine );\n\t\t} );\n\t}\n}\n\n// Clones configuration object or value.\n// @param {*} source Source configuration\n// @returns {*} Cloned configuration value.\nfunction cloneConfig( source ) {\n\treturn cloneDeepWith( source, leaveDOMReferences );\n}\n\n// A customized function for cloneDeepWith.\n// It will leave references to DOM Elements instead of cloning them.\n//\n// @param {*} value\n// @returns {Element|undefined}\nfunction leaveDOMReferences( value ) {\n\treturn isElement( value ) ? value : undefined;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/spy\n */\n\n/**\n * Creates a spy function (ala Sinon.js) that can be used to inspect call to it.\n *\n * The following are the present features:\n *\n * * spy.called: property set to `true` if the function has been called at least once.\n *\n * @returns {Function} The spy function.\n */\nfunction spy() {\n\treturn function spy() {\n\t\tspy.called = true;\n\t};\n}\n\nexport default spy;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/eventinfo\n */\n\nimport spy from './spy';\n\n/**\n * The event object passed to event callbacks. It is used to provide information about the event as well as a tool to\n * manipulate it.\n */\nexport default class EventInfo {\n\t/**\n\t * @param {Object} source The emitter.\n\t * @param {String} name The event name.\n\t */\n\tconstructor( source, name ) {\n\t\t/**\n\t\t * The object that fired the event.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Object}\n\t\t */\n\t\tthis.source = source;\n\n\t\t/**\n\t\t * The event name.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * Path this event has followed. See {@link module:utils/emittermixin~EmitterMixin#delegate}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<Object>}\n\t\t */\n\t\tthis.path = [];\n\n\t\t// The following methods are defined in the constructor because they must be re-created per instance.\n\n\t\t/**\n\t\t * Stops the event emitter to call further callbacks for this event interaction.\n\t\t *\n\t\t * @method #stop\n\t\t */\n\t\tthis.stop = spy();\n\n\t\t/**\n\t\t * Removes the current callback from future interactions of this event.\n\t\t *\n\t\t * @method #off\n\t\t */\n\t\tthis.off = spy();\n\n\t\t/**\n\t\t * The value which will be returned by {@link module:utils/emittermixin~EmitterMixin#fire}.\n\t\t *\n\t\t * It's `undefined` by default and can be changed by an event listener:\n\t\t *\n\t\t *\t\tdataController.fire( 'getSelectedContent', ( evt ) => {\n\t\t *\t\t\t// This listener will make `dataController.fire( 'getSelectedContent' )`\n\t\t *\t\t\t// always return an empty DocumentFragment.\n\t\t *\t\t\tevt.return = new DocumentFragment();\n\t\t *\n\t\t *\t\t\t// Make sure no other listeners are executed.\n\t\t *\t\t\tevt.stop();\n\t\t *\t\t} );\n\t\t *\n\t\t * @member #return\n\t\t */\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/uid\n */\n\n// A hash table of hex numbers to avoid using toString() in uid() which is costly.\n// [ '00', '01', '02', ..., 'fe', 'ff' ]\nconst HEX_NUMBERS = new Array( 256 ).fill()\n\t.map( ( val, index ) => ( '0' + ( index ).toString( 16 ) ).slice( -2 ) );\n\n/**\n * Returns a unique id. The id starts with an \"e\" character and a randomly generated string of\n * 32 alphanumeric characters.\n *\n * **Note**: The characters the unique id is built from correspond to the hex number notation\n * (from \"0\" to \"9\", from \"a\" to \"f\"). In other words, each id corresponds to an \"e\" followed\n * by 16 8-bit numbers next to each other.\n *\n * @returns {String} An unique id string.\n */\nexport default function uid() {\n\t// Let's create some positive random 32bit integers first.\n\t//\n\t// 1. Math.random() is a float between 0 and 1.\n\t// 2. 0x100000000 is 2^32 = 4294967296.\n\t// 3. >>> 0 enforces integer (in JS all numbers are floating point).\n\t//\n\t// For instance:\n\t//\t\tMath.random() * 0x100000000 = 3366450031.853859\n\t// but\n\t//\t\tMath.random() * 0x100000000 >>> 0 = 3366450031.\n\tconst r1 = Math.random() * 0x100000000 >>> 0;\n\tconst r2 = Math.random() * 0x100000000 >>> 0;\n\tconst r3 = Math.random() * 0x100000000 >>> 0;\n\tconst r4 = Math.random() * 0x100000000 >>> 0;\n\n\t// Make sure that id does not start with number.\n\treturn 'e' +\n\t\tHEX_NUMBERS[ r1 >> 0 & 0xFF ] +\n\t\tHEX_NUMBERS[ r1 >> 8 & 0xFF ] +\n\t\tHEX_NUMBERS[ r1 >> 16 & 0xFF ] +\n\t\tHEX_NUMBERS[ r1 >> 24 & 0xFF ] +\n\t\tHEX_NUMBERS[ r2 >> 0 & 0xFF ] +\n\t\tHEX_NUMBERS[ r2 >> 8 & 0xFF ] +\n\t\tHEX_NUMBERS[ r2 >> 16 & 0xFF ] +\n\t\tHEX_NUMBERS[ r2 >> 24 & 0xFF ] +\n\t\tHEX_NUMBERS[ r3 >> 0 & 0xFF ] +\n\t\tHEX_NUMBERS[ r3 >> 8 & 0xFF ] +\n\t\tHEX_NUMBERS[ r3 >> 16 & 0xFF ] +\n\t\tHEX_NUMBERS[ r3 >> 24 & 0xFF ] +\n\t\tHEX_NUMBERS[ r4 >> 0 & 0xFF ] +\n\t\tHEX_NUMBERS[ r4 >> 8 & 0xFF ] +\n\t\tHEX_NUMBERS[ r4 >> 16 & 0xFF ] +\n\t\tHEX_NUMBERS[ r4 >> 24 & 0xFF ];\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/priorities\n */\n\n/**\n * String representing a priority value.\n *\n * @typedef {'highest'|'high'|'normal'|'low'|'lowest'} module:utils/priorities~PriorityString\n */\n\n/**\n * Provides group of constants to use instead of hardcoding numeric priority values.\n *\n * @namespace\n */\nconst priorities = {\n\t/**\n\t * Converts a string with priority name to it's numeric value. If `Number` is given, it just returns it.\n\t *\n\t * @static\n\t * @param {module:utils/priorities~PriorityString|Number} priority Priority to convert.\n\t * @returns {Number} Converted priority.\n\t */\n\tget( priority ) {\n\t\tif ( typeof priority != 'number' ) {\n\t\t\treturn this[ priority ] || this.normal;\n\t\t} else {\n\t\t\treturn priority;\n\t\t}\n\t},\n\n\thighest: 100000,\n\thigh: 1000,\n\tnormal: 0,\n\tlow: -1000,\n\tlowest: -100000\n};\n\nexport default priorities;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/emittermixin\n */\n\nimport EventInfo from './eventinfo';\nimport uid from './uid';\nimport priorities from './priorities';\n\n// To check if component is loaded more than once.\nimport './version';\nimport CKEditorError from './ckeditorerror';\n\nconst _listeningTo = Symbol( 'listeningTo' );\nconst _emitterId = Symbol( 'emitterId' );\n\n/**\n * Mixin that injects the {@link ~Emitter events API} into its host.\n *\n * @mixin EmitterMixin\n * @implements module:utils/emittermixin~Emitter\n */\nconst EmitterMixin = {\n\t/**\n\t * @inheritDoc\n\t */\n\ton( event, callback, options = {} ) {\n\t\tthis.listenTo( this, event, callback, options );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tonce( event, callback, options ) {\n\t\tlet wasFired = false;\n\n\t\tconst onceCallback = function( event, ...args ) {\n\t\t\t// Ensure the callback is called only once even if the callback itself leads to re-firing the event\n\t\t\t// (which would call the callback again).\n\t\t\tif ( !wasFired ) {\n\t\t\t\twasFired = true;\n\n\t\t\t\t// Go off() at the first call.\n\t\t\t\tevent.off();\n\n\t\t\t\t// Go with the original callback.\n\t\t\t\tcallback.call( this, event, ...args );\n\t\t\t}\n\t\t};\n\n\t\t// Make a similar on() call, simply replacing the callback.\n\t\tthis.listenTo( this, event, onceCallback, options );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\toff( event, callback ) {\n\t\tthis.stopListening( this, event, callback );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tlistenTo( emitter, event, callback, options = {} ) {\n\t\tlet emitterInfo, eventCallbacks;\n\n\t\t// _listeningTo contains a list of emitters that this object is listening to.\n\t\t// This list has the following format:\n\t\t//\n\t\t// _listeningTo: {\n\t\t//     emitterId: {\n\t\t//         emitter: emitter,\n\t\t//         callbacks: {\n\t\t//             event1: [ callback1, callback2, ... ]\n\t\t//             ....\n\t\t//         }\n\t\t//     },\n\t\t//     ...\n\t\t// }\n\n\t\tif ( !this[ _listeningTo ] ) {\n\t\t\tthis[ _listeningTo ] = {};\n\t\t}\n\n\t\tconst emitters = this[ _listeningTo ];\n\n\t\tif ( !_getEmitterId( emitter ) ) {\n\t\t\t_setEmitterId( emitter );\n\t\t}\n\n\t\tconst emitterId = _getEmitterId( emitter );\n\n\t\tif ( !( emitterInfo = emitters[ emitterId ] ) ) {\n\t\t\temitterInfo = emitters[ emitterId ] = {\n\t\t\t\temitter,\n\t\t\t\tcallbacks: {}\n\t\t\t};\n\t\t}\n\n\t\tif ( !( eventCallbacks = emitterInfo.callbacks[ event ] ) ) {\n\t\t\teventCallbacks = emitterInfo.callbacks[ event ] = [];\n\t\t}\n\n\t\teventCallbacks.push( callback );\n\n\t\t// Finally register the callback to the event.\n\t\tcreateEventNamespace( emitter, event );\n\t\tconst lists = getCallbacksListsForNamespace( emitter, event );\n\t\tconst priority = priorities.get( options.priority );\n\n\t\tconst callbackDefinition = {\n\t\t\tcallback,\n\t\t\tpriority\n\t\t};\n\n\t\t// Add the callback to all callbacks list.\n\t\tfor ( const callbacks of lists ) {\n\t\t\t// Add the callback to the list in the right priority position.\n\t\t\tlet added = false;\n\n\t\t\tfor ( let i = 0; i < callbacks.length; i++ ) {\n\t\t\t\tif ( callbacks[ i ].priority < priority ) {\n\t\t\t\t\tcallbacks.splice( i, 0, callbackDefinition );\n\t\t\t\t\tadded = true;\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Add at the end, if right place was not found.\n\t\t\tif ( !added ) {\n\t\t\t\tcallbacks.push( callbackDefinition );\n\t\t\t}\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstopListening( emitter, event, callback ) {\n\t\tconst emitters = this[ _listeningTo ];\n\t\tlet emitterId = emitter && _getEmitterId( emitter );\n\t\tconst emitterInfo = emitters && emitterId && emitters[ emitterId ];\n\t\tconst eventCallbacks = emitterInfo && event && emitterInfo.callbacks[ event ];\n\n\t\t// Stop if nothing has been listened.\n\t\tif ( !emitters || ( emitter && !emitterInfo ) || ( event && !eventCallbacks ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// All params provided. off() that single callback.\n\t\tif ( callback ) {\n\t\t\tremoveCallback( emitter, event, callback );\n\n\t\t\t// We must remove callbacks as well in order to prevent memory leaks.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/pull/8480\n\t\t\tconst index = eventCallbacks.indexOf( callback );\n\n\t\t\tif ( index !== -1 ) {\n\t\t\t\tif ( eventCallbacks.length === 1 ) {\n\t\t\t\t\tdelete emitterInfo.callbacks[ event ];\n\t\t\t\t} else {\n\t\t\t\t\tremoveCallback( emitter, event, callback );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t// Only `emitter` and `event` provided. off() all callbacks for that event.\n\t\telse if ( eventCallbacks ) {\n\t\t\twhile ( ( callback = eventCallbacks.pop() ) ) {\n\t\t\t\tremoveCallback( emitter, event, callback );\n\t\t\t}\n\n\t\t\tdelete emitterInfo.callbacks[ event ];\n\t\t}\n\t\t// Only `emitter` provided. off() all events for that emitter.\n\t\telse if ( emitterInfo ) {\n\t\t\tfor ( event in emitterInfo.callbacks ) {\n\t\t\t\tthis.stopListening( emitter, event );\n\t\t\t}\n\t\t\tdelete emitters[ emitterId ];\n\t\t}\n\t\t// No params provided. off() all emitters.\n\t\telse {\n\t\t\tfor ( emitterId in emitters ) {\n\t\t\t\tthis.stopListening( emitters[ emitterId ].emitter );\n\t\t\t}\n\t\t\tdelete this[ _listeningTo ];\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tfire( eventOrInfo, ...args ) {\n\t\ttry {\n\t\t\tconst eventInfo = eventOrInfo instanceof EventInfo ? eventOrInfo : new EventInfo( this, eventOrInfo );\n\t\t\tconst event = eventInfo.name;\n\t\t\tlet callbacks = getCallbacksForEvent( this, event );\n\n\t\t\t// Record that the event passed this emitter on its path.\n\t\t\teventInfo.path.push( this );\n\n\t\t\t// Handle event listener callbacks first.\n\t\t\tif ( callbacks ) {\n\t\t\t\t// Arguments passed to each callback.\n\t\t\t\tconst callbackArgs = [ eventInfo, ...args ];\n\n\t\t\t\t// Copying callbacks array is the easiest and most secure way of preventing infinite loops, when event callbacks\n\t\t\t\t// are added while processing other callbacks. Previous solution involved adding counters (unique ids) but\n\t\t\t\t// failed if callbacks were added to the queue before currently processed callback.\n\t\t\t\t// If this proves to be too inefficient, another method is to change `.on()` so callbacks are stored if same\n\t\t\t\t// event is currently processed. Then, `.fire()` at the end, would have to add all stored events.\n\t\t\t\tcallbacks = Array.from( callbacks );\n\n\t\t\t\tfor ( let i = 0; i < callbacks.length; i++ ) {\n\t\t\t\t\tcallbacks[ i ].callback.apply( this, callbackArgs );\n\n\t\t\t\t\t// Remove the callback from future requests if off() has been called.\n\t\t\t\t\tif ( eventInfo.off.called ) {\n\t\t\t\t\t\t// Remove the called mark for the next calls.\n\t\t\t\t\t\tdelete eventInfo.off.called;\n\n\t\t\t\t\t\tremoveCallback( this, event, callbacks[ i ].callback );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Do not execute next callbacks if stop() was called.\n\t\t\t\t\tif ( eventInfo.stop.called ) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Delegate event to other emitters if needed.\n\t\t\tif ( this._delegations ) {\n\t\t\t\tconst destinations = this._delegations.get( event );\n\t\t\t\tconst passAllDestinations = this._delegations.get( '*' );\n\n\t\t\t\tif ( destinations ) {\n\t\t\t\t\tfireDelegatedEvents( destinations, eventInfo, args );\n\t\t\t\t}\n\n\t\t\t\tif ( passAllDestinations ) {\n\t\t\t\t\tfireDelegatedEvents( passAllDestinations, eventInfo, args );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn eventInfo.return;\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdelegate( ...events ) {\n\t\treturn {\n\t\t\tto: ( emitter, nameOrFunction ) => {\n\t\t\t\tif ( !this._delegations ) {\n\t\t\t\t\tthis._delegations = new Map();\n\t\t\t\t}\n\n\t\t\t\t// Originally there was a for..of loop which unfortunately caused an error in Babel that didn't allow\n\t\t\t\t// build an application. See: https://github.com/ckeditor/ckeditor5-react/issues/40.\n\t\t\t\tevents.forEach( eventName => {\n\t\t\t\t\tconst destinations = this._delegations.get( eventName );\n\n\t\t\t\t\tif ( !destinations ) {\n\t\t\t\t\t\tthis._delegations.set( eventName, new Map( [ [ emitter, nameOrFunction ] ] ) );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tdestinations.set( emitter, nameOrFunction );\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t}\n\t\t};\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstopDelegating( event, emitter ) {\n\t\tif ( !this._delegations ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !event ) {\n\t\t\tthis._delegations.clear();\n\t\t} else if ( !emitter ) {\n\t\t\tthis._delegations.delete( event );\n\t\t} else {\n\t\t\tconst destinations = this._delegations.get( event );\n\n\t\t\tif ( destinations ) {\n\t\t\t\tdestinations.delete( emitter );\n\t\t\t}\n\t\t}\n\t}\n};\n\nexport default EmitterMixin;\n\n/**\n * Emitter/listener interface.\n *\n * Can be easily implemented by a class by mixing the {@link module:utils/emittermixin~EmitterMixin} mixin.\n *\n * @interface Emitter\n */\n\n/**\n * Registers a callback function to be executed when an event is fired.\n *\n * Shorthand for {@link #listenTo `this.listenTo( this, event, callback, options )`} (it makes the emitter\n * listen on itself).\n *\n * @method #on\n * @param {String} event The name of the event.\n * @param {Function} callback The function to be called on event.\n * @param {Object} [options={}] Additional options.\n * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n * order they were added.\n */\n\n/**\n * Registers a callback function to be executed on the next time the event is fired only. This is similar to\n * calling {@link #on} followed by {@link #off} in the callback.\n *\n * @method #once\n * @param {String} event The name of the event.\n * @param {Function} callback The function to be called on event.\n * @param {Object} [options={}] Additional options.\n * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n * order they were added.\n */\n\n/**\n * Stops executing the callback on the given event.\n * Shorthand for {@link #stopListening `this.stopListening( this, event, callback )`}.\n *\n * @method #off\n * @param {String} event The name of the event.\n * @param {Function} callback The function to stop being called.\n */\n\n/**\n * Registers a callback function to be executed when an event is fired in a specific (emitter) object.\n *\n * Events can be grouped in namespaces using `:`.\n * When namespaced event is fired, it additionally fires all callbacks for that namespace.\n *\n *\t\t// myEmitter.on( ... ) is a shorthand for myEmitter.listenTo( myEmitter, ... ).\n *\t\tmyEmitter.on( 'myGroup', genericCallback );\n *\t\tmyEmitter.on( 'myGroup:myEvent', specificCallback );\n *\n *\t\t// genericCallback is fired.\n *\t\tmyEmitter.fire( 'myGroup' );\n *\t\t// both genericCallback and specificCallback are fired.\n *\t\tmyEmitter.fire( 'myGroup:myEvent' );\n *\t\t// genericCallback is fired even though there are no callbacks for \"foo\".\n *\t\tmyEmitter.fire( 'myGroup:foo' );\n *\n * An event callback can {@link module:utils/eventinfo~EventInfo#stop stop the event} and\n * set the {@link module:utils/eventinfo~EventInfo#return return value} of the {@link #fire} method.\n *\n * @method #listenTo\n * @param {module:utils/emittermixin~Emitter} emitter The object that fires the event.\n * @param {String} event The name of the event.\n * @param {Function} callback The function to be called on event.\n * @param {Object} [options={}] Additional options.\n * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n * order they were added.\n */\n\n/**\n * Stops listening for events. It can be used at different levels:\n *\n * * To stop listening to a specific callback.\n * * To stop listening to a specific event.\n * * To stop listening to all events fired by a specific object.\n * * To stop listening to all events fired by all objects.\n *\n * @method #stopListening\n * @param {module:utils/emittermixin~Emitter} [emitter] The object to stop listening to. If omitted, stops it for all objects.\n * @param {String} [event] (Requires the `emitter`) The name of the event to stop listening to. If omitted, stops it\n * for all events from `emitter`.\n * @param {Function} [callback] (Requires the `event`) The function to be removed from the call list for the given\n * `event`.\n */\n\n/**\n * Fires an event, executing all callbacks registered for it.\n *\n * The first parameter passed to callbacks is an {@link module:utils/eventinfo~EventInfo} object,\n * followed by the optional `args` provided in the `fire()` method call.\n *\n * @method #fire\n * @param {String|module:utils/eventinfo~EventInfo} eventOrInfo The name of the event or `EventInfo` object if event is delegated.\n * @param {...*} [args] Additional arguments to be passed to the callbacks.\n * @returns {*} By default the method returns `undefined`. However, the return value can be changed by listeners\n * through modification of the {@link module:utils/eventinfo~EventInfo#return `evt.return`}'s property (the event info\n * is the first param of every callback).\n */\n\n/**\n * Delegates selected events to another {@link module:utils/emittermixin~Emitter}. For instance:\n *\n *\t\temitterA.delegate( 'eventX' ).to( emitterB );\n *\t\temitterA.delegate( 'eventX', 'eventY' ).to( emitterC );\n *\n * then `eventX` is delegated (fired by) `emitterB` and `emitterC` along with `data`:\n *\n *\t\temitterA.fire( 'eventX', data );\n *\n * and `eventY` is delegated (fired by) `emitterC` along with `data`:\n *\n *\t\temitterA.fire( 'eventY', data );\n *\n * @method #delegate\n * @param {...String} events Event names that will be delegated to another emitter.\n * @returns {module:utils/emittermixin~EmitterMixinDelegateChain}\n */\n\n/**\n * Stops delegating events. It can be used at different levels:\n *\n * * To stop delegating all events.\n * * To stop delegating a specific event to all emitters.\n * * To stop delegating a specific event to a specific emitter.\n *\n * @method #stopDelegating\n * @param {String} [event] The name of the event to stop delegating. If omitted, stops it all delegations.\n * @param {module:utils/emittermixin~Emitter} [emitter] (requires `event`) The object to stop delegating a particular event to.\n * If omitted, stops delegation of `event` to all emitters.\n */\n\n/**\n * Checks if `listeningEmitter` listens to an emitter with given `listenedToEmitterId` and if so, returns that emitter.\n * If not, returns `null`.\n *\n * @protected\n * @param {module:utils/emittermixin~Emitter} listeningEmitter An emitter that listens.\n * @param {String} listenedToEmitterId Unique emitter id of emitter listened to.\n * @returns {module:utils/emittermixin~Emitter|null}\n */\nexport function _getEmitterListenedTo( listeningEmitter, listenedToEmitterId ) {\n\tif ( listeningEmitter[ _listeningTo ] && listeningEmitter[ _listeningTo ][ listenedToEmitterId ] ) {\n\t\treturn listeningEmitter[ _listeningTo ][ listenedToEmitterId ].emitter;\n\t}\n\n\treturn null;\n}\n\n/**\n * Sets emitter's unique id.\n *\n * **Note:** `_emitterId` can be set only once.\n *\n * @protected\n * @param {module:utils/emittermixin~Emitter} emitter An emitter for which id will be set.\n * @param {String} [id] Unique id to set. If not passed, random unique id will be set.\n */\nexport function _setEmitterId( emitter, id ) {\n\tif ( !emitter[ _emitterId ] ) {\n\t\temitter[ _emitterId ] = id || uid();\n\t}\n}\n\n/**\n * Returns emitter's unique id.\n *\n * @protected\n * @param {module:utils/emittermixin~Emitter} emitter An emitter which id will be returned.\n */\nexport function _getEmitterId( emitter ) {\n\treturn emitter[ _emitterId ];\n}\n\n// Gets the internal `_events` property of the given object.\n// `_events` property store all lists with callbacks for registered event names.\n// If there were no events registered on the object, empty `_events` object is created.\nfunction getEvents( source ) {\n\tif ( !source._events ) {\n\t\tObject.defineProperty( source, '_events', {\n\t\t\tvalue: {}\n\t\t} );\n\t}\n\n\treturn source._events;\n}\n\n// Creates event node for generic-specific events relation architecture.\nfunction makeEventNode() {\n\treturn {\n\t\tcallbacks: [],\n\t\tchildEvents: []\n\t};\n}\n\n// Creates an architecture for generic-specific events relation.\n// If needed, creates all events for given eventName, i.e. if the first registered event\n// is foo:bar:abc, it will create foo:bar:abc, foo:bar and foo event and tie them together.\n// It also copies callbacks from more generic events to more specific events when\n// specific events are created.\nfunction createEventNamespace( source, eventName ) {\n\tconst events = getEvents( source );\n\n\t// First, check if the event we want to add to the structure already exists.\n\tif ( events[ eventName ] ) {\n\t\t// If it exists, we don't have to do anything.\n\t\treturn;\n\t}\n\n\t// In other case, we have to create the structure for the event.\n\t// Note, that we might need to create intermediate events too.\n\t// I.e. if foo:bar:abc is being registered and we only have foo in the structure,\n\t// we need to also register foo:bar.\n\n\t// Currently processed event name.\n\tlet name = eventName;\n\t// Name of the event that is a child event for currently processed event.\n\tlet childEventName = null;\n\n\t// Array containing all newly created specific events.\n\tconst newEventNodes = [];\n\n\t// While loop can't check for ':' index because we have to handle generic events too.\n\t// In each loop, we truncate event name, going from the most specific name to the generic one.\n\t// I.e. foo:bar:abc -> foo:bar -> foo.\n\twhile ( name !== '' ) {\n\t\tif ( events[ name ] ) {\n\t\t\t// If the currently processed event name is already registered, we can be sure\n\t\t\t// that it already has all the structure created, so we can break the loop here\n\t\t\t// as no more events need to be registered.\n\t\t\tbreak;\n\t\t}\n\n\t\t// If this event is not yet registered, create a new object for it.\n\t\tevents[ name ] = makeEventNode();\n\t\t// Add it to the array with newly created events.\n\t\tnewEventNodes.push( events[ name ] );\n\n\t\t// Add previously processed event name as a child of this event.\n\t\tif ( childEventName ) {\n\t\t\tevents[ name ].childEvents.push( childEventName );\n\t\t}\n\n\t\tchildEventName = name;\n\t\t// If `.lastIndexOf()` returns -1, `.substr()` will return '' which will break the loop.\n\t\tname = name.substr( 0, name.lastIndexOf( ':' ) );\n\t}\n\n\tif ( name !== '' ) {\n\t\t// If name is not empty, we found an already registered event that was a parent of the\n\t\t// event we wanted to register.\n\n\t\t// Copy that event's callbacks to newly registered events.\n\t\tfor ( const node of newEventNodes ) {\n\t\t\tnode.callbacks = events[ name ].callbacks.slice();\n\t\t}\n\n\t\t// Add last newly created event to the already registered event.\n\t\tevents[ name ].childEvents.push( childEventName );\n\t}\n}\n\n// Gets an array containing callbacks list for a given event and it's more specific events.\n// I.e. if given event is foo:bar and there is also foo:bar:abc event registered, this will\n// return callback list of foo:bar and foo:bar:abc (but not foo).\nfunction getCallbacksListsForNamespace( source, eventName ) {\n\tconst eventNode = getEvents( source )[ eventName ];\n\n\tif ( !eventNode ) {\n\t\treturn [];\n\t}\n\n\tlet callbacksLists = [ eventNode.callbacks ];\n\n\tfor ( let i = 0; i < eventNode.childEvents.length; i++ ) {\n\t\tconst childCallbacksLists = getCallbacksListsForNamespace( source, eventNode.childEvents[ i ] );\n\n\t\tcallbacksLists = callbacksLists.concat( childCallbacksLists );\n\t}\n\n\treturn callbacksLists;\n}\n\n// Get the list of callbacks for a given event, but only if there any callbacks have been registered.\n// If there are no callbacks registered for given event, it checks if this is a specific event and looks\n// for callbacks for it's more generic version.\nfunction getCallbacksForEvent( source, eventName ) {\n\tlet event;\n\n\tif ( !source._events || !( event = source._events[ eventName ] ) || !event.callbacks.length ) {\n\t\t// There are no callbacks registered for specified eventName.\n\t\t// But this could be a specific-type event that is in a namespace.\n\t\tif ( eventName.indexOf( ':' ) > -1 ) {\n\t\t\t// If the eventName is specific, try to find callback lists for more generic event.\n\t\t\treturn getCallbacksForEvent( source, eventName.substr( 0, eventName.lastIndexOf( ':' ) ) );\n\t\t} else {\n\t\t\t// If this is a top-level generic event, return null;\n\t\t\treturn null;\n\t\t}\n\t}\n\n\treturn event.callbacks;\n}\n\n// Fires delegated events for given map of destinations.\n//\n// @private\n// * @param {Map.<utils.Emitter>} destinations A map containing\n// `[ {@link module:utils/emittermixin~Emitter}, \"event name\" ]` pair destinations.\n// * @param {utils.EventInfo} eventInfo The original event info object.\n// * @param {Array.<*>} fireArgs Arguments the original event was fired with.\nfunction fireDelegatedEvents( destinations, eventInfo, fireArgs ) {\n\tfor ( let [ emitter, name ] of destinations ) {\n\t\tif ( !name ) {\n\t\t\tname = eventInfo.name;\n\t\t} else if ( typeof name == 'function' ) {\n\t\t\tname = name( eventInfo.name );\n\t\t}\n\n\t\tconst delegatedInfo = new EventInfo( eventInfo.source, name );\n\n\t\tdelegatedInfo.path = [ ...eventInfo.path ];\n\n\t\temitter.fire( delegatedInfo, ...fireArgs );\n\t}\n}\n\n// Removes callback from emitter for given event.\n//\n// @param {module:utils/emittermixin~Emitter} emitter\n// @param {String} event\n// @param {Function} callback\nfunction removeCallback( emitter, event, callback ) {\n\tconst lists = getCallbacksListsForNamespace( emitter, event );\n\n\tfor ( const callbacks of lists ) {\n\t\tfor ( let i = 0; i < callbacks.length; i++ ) {\n\t\t\tif ( callbacks[ i ].callback == callback ) {\n\t\t\t\t// Remove the callback from the list (fixing the next index).\n\t\t\t\tcallbacks.splice( i, 1 );\n\t\t\t\ti--;\n\t\t\t}\n\t\t}\n\t}\n}\n\n/**\n * The return value of {@link ~EmitterMixin#delegate}.\n *\n * @interface module:utils/emittermixin~EmitterMixinDelegateChain\n */\n\n/**\n * Selects destination for {@link module:utils/emittermixin~EmitterMixin#delegate} events.\n *\n * @method #to\n * @param {module:utils/emittermixin~Emitter} emitter An `EmitterMixin` instance which is the destination for delegated events.\n * @param {String|Function} [nameOrFunction] A custom event name or function which converts the original name string.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/isiterable\n */\n\n/**\n * Checks if value implements iterator interface.\n *\n * @param {*} value The value to check.\n * @returns {Boolean} True if value implements iterator interface.\n */\nexport default function isIterable( value ) {\n\treturn !!( value && value[ Symbol.iterator ] );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/mix\n */\n\n/**\n * Copies enumerable properties and symbols from the objects given as 2nd+ parameters to the\n * prototype of first object (a constructor).\n *\n *\t\tclass Editor {\n *\t\t\t...\n *\t\t}\n *\n *\t\tconst SomeMixin = {\n *\t\t\ta() {\n *\t\t\t\treturn 'a';\n *\t\t\t}\n *\t\t};\n *\n *\t\tmix( Editor, SomeMixin, ... );\n *\n *\t\tnew Editor().a(); // -> 'a'\n *\n * Note: Properties which already exist in the base class will not be overriden.\n *\n * @param {Function} [baseClass] Class which prototype will be extended.\n * @param {Object} [...mixins] Objects from which to get properties.\n */\nexport default function mix( baseClass, ...mixins ) {\n\tmixins.forEach( mixin => {\n\t\tObject.getOwnPropertyNames( mixin ).concat( Object.getOwnPropertySymbols( mixin ) )\n\t\t\t.forEach( key => {\n\t\t\t\tif ( key in baseClass.prototype ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst sourceDescriptor = Object.getOwnPropertyDescriptor( mixin, key );\n\t\t\t\tsourceDescriptor.enumerable = false;\n\n\t\t\t\tObject.defineProperty( baseClass.prototype, key, sourceDescriptor );\n\t\t\t} );\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/collection\n */\n\nimport EmitterMixin from './emittermixin';\nimport CKEditorError from './ckeditorerror';\nimport uid from './uid';\nimport isIterable from './isiterable';\nimport mix from './mix';\n\n/**\n * Collections are ordered sets of objects. Items in the collection can be retrieved by their indexes\n * in the collection (like in an array) or by their ids.\n *\n * If an object without an `id` property is being added to the collection, the `id` property will be generated\n * automatically. Note that the automatically generated id is unique only within this single collection instance.\n *\n * By default an item in the collection is identified by its `id` property. The name of the identifier can be\n * configured through the constructor of the collection.\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Collection {\n\t/**\n\t * Creates a new Collection instance.\n\t *\n\t * You can provide an iterable of initial items the collection will be created with:\n\t *\n\t *\t\tconst collection = new Collection( [ { id: 'John' }, { id: 'Mike' } ] );\n\t *\n\t *\t\tconsole.log( collection.get( 0 ) ); // -> { id: 'John' }\n\t *\t\tconsole.log( collection.get( 1 ) ); // -> { id: 'Mike' }\n\t *\t\tconsole.log( collection.get( 'Mike' ) ); // -> { id: 'Mike' }\n\t *\n\t * Or you can first create a collection and then add new items using the {@link #add} method:\n\t *\n\t *\t\tconst collection = new Collection();\n\t *\n\t *\t\tcollection.add( { id: 'John' } );\n\t *\t\tconsole.log( collection.get( 0 ) ); // -> { id: 'John' }\n\t *\n\t * Whatever option you choose, you can always pass a configuration object as the last argument\n\t * of the constructor:\n\t *\n\t *\t\tconst emptyCollection = new Collection( { idProperty: 'name' } );\n\t *\t\temptyCollection.add( { name: 'John' } );\n\t *\t\tconsole.log( collection.get( 'John' ) ); // -> { name: 'John' }\n\t *\n\t *\t\tconst nonEmptyCollection = new Collection( [ { name: 'John' } ], { idProperty: 'name' } );\n\t *\t\tnonEmptyCollection.add( { name: 'George' } );\n\t *\t\tconsole.log( collection.get( 'George' ) ); // -> { name: 'George' }\n\t *\t\tconsole.log( collection.get( 'John' ) ); // -> { name: 'John' }\n\t *\n\t * @param {Iterable.<Object>|Object} initialItemsOrOptions The initial items of the collection or\n\t * the options object.\n\t * @param {Object} [options={}] The options object, when the first argument is an array of initial items.\n\t * @param {String} [options.idProperty='id'] The name of the property which is used to identify an item.\n\t * Items that do not have such a property will be assigned one when added to the collection.\n\t */\n\tconstructor( initialItemsOrOptions = {}, options = {} ) {\n\t\tconst hasInitialItems = isIterable( initialItemsOrOptions );\n\n\t\tif ( !hasInitialItems ) {\n\t\t\toptions = initialItemsOrOptions;\n\t\t}\n\n\t\t/**\n\t\t * The internal list of items in the collection.\n\t\t *\n\t\t * @private\n\t\t * @member {Object[]}\n\t\t */\n\t\tthis._items = [];\n\n\t\t/**\n\t\t * The internal map of items in the collection.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._itemMap = new Map();\n\n\t\t/**\n\t\t * The name of the property which is considered to identify an item.\n\t\t *\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._idProperty = options.idProperty || 'id';\n\n\t\t/**\n\t\t * A helper mapping external items of a bound collection ({@link #bindTo})\n\t\t * and actual items of this collection. It provides information\n\t\t * necessary to properly remove items bound to another collection.\n\t\t *\n\t\t * See {@link #_bindToInternalToExternalMap}.\n\t\t *\n\t\t * @protected\n\t\t * @member {WeakMap}\n\t\t */\n\t\tthis._bindToExternalToInternalMap = new WeakMap();\n\n\t\t/**\n\t\t * A helper mapping items of this collection to external items of a bound collection\n\t\t * ({@link #bindTo}). It provides information necessary to manage the bindings, e.g.\n\t\t * to avoid loops in two–way bindings.\n\t\t *\n\t\t * See {@link #_bindToExternalToInternalMap}.\n\t\t *\n\t\t * @protected\n\t\t * @member {WeakMap}\n\t\t */\n\t\tthis._bindToInternalToExternalMap = new WeakMap();\n\n\t\t/**\n\t\t * Stores indexes of skipped items from bound external collection.\n\t\t *\n\t\t * @private\n\t\t * @member {Array}\n\t\t */\n\t\tthis._skippedIndexesFromExternal = [];\n\n\t\t// Set the initial content of the collection (if provided in the constructor).\n\t\tif ( hasInitialItems ) {\n\t\t\tfor ( const item of initialItemsOrOptions ) {\n\t\t\t\tthis._items.push( item );\n\t\t\t\tthis._itemMap.set( this._getItemIdBeforeAdding( item ), item );\n\t\t\t}\n\t\t}\n\n\t\t/**\n\t\t * A collection instance this collection is bound to as a result\n\t\t * of calling {@link #bindTo} method.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:utils/collection~Collection} #_bindToCollection\n\t\t */\n\t}\n\n\t/**\n\t * The number of items available in the collection.\n\t *\n\t * @member {Number} #length\n\t */\n\tget length() {\n\t\treturn this._items.length;\n\t}\n\n\t/**\n\t * Returns the first item from the collection or null when collection is empty.\n\t *\n\t * @returns {Object|null} The first item or `null` if collection is empty.\n\t */\n\tget first() {\n\t\treturn this._items[ 0 ] || null;\n\t}\n\n\t/**\n\t * Returns the last item from the collection or null when collection is empty.\n\t *\n\t * @returns {Object|null} The last item or `null` if collection is empty.\n\t */\n\tget last() {\n\t\treturn this._items[ this.length - 1 ] || null;\n\t}\n\n\t/**\n\t * Adds an item into the collection.\n\t *\n\t * If the item does not have an id, then it will be automatically generated and set on the item.\n\t *\n\t * @chainable\n\t * @param {Object} item\n\t * @param {Number} [index] The position of the item in the collection. The item\n\t * is pushed to the collection when `index` not specified.\n\t * @fires add\n\t * @fires change\n\t */\n\tadd( item, index ) {\n\t\treturn this.addMany( [ item ], index );\n\t}\n\n\t/**\n\t * Adds multiple items into the collection.\n\t *\n\t * Any item not containing an id will get an automatically generated one.\n\t *\n\t * @chainable\n\t * @param {Iterable.<Object>} item\n\t * @param {Number} [index] The position of the insertion. Items will be appended if no `index` is specified.\n\t * @fires add\n\t * @fires change\n\t */\n\taddMany( items, index ) {\n\t\tif ( index === undefined ) {\n\t\t\tindex = this._items.length;\n\t\t} else if ( index > this._items.length || index < 0 ) {\n\t\t\t/**\n\t\t\t * The `index` passed to {@link module:utils/collection~Collection#addMany `Collection#addMany()`}\n\t\t\t * is invalid. It must be a number between 0 and the collection's length.\n\t\t\t *\n\t\t\t * @error collection-add-item-invalid-index\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'collection-add-item-invalid-index', this );\n\t\t}\n\n\t\tfor ( let offset = 0; offset < items.length; offset++ ) {\n\t\t\tconst item = items[ offset ];\n\t\t\tconst itemId = this._getItemIdBeforeAdding( item );\n\t\t\tconst currentItemIndex = index + offset;\n\n\t\t\tthis._items.splice( currentItemIndex, 0, item );\n\t\t\tthis._itemMap.set( itemId, item );\n\n\t\t\tthis.fire( 'add', item, currentItemIndex );\n\t\t}\n\n\t\tthis.fire( 'change', {\n\t\t\tadded: items,\n\t\t\tremoved: [],\n\t\t\tindex\n\t\t} );\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Gets an item by its ID or index.\n\t *\n\t * @param {String|Number} idOrIndex The item ID or index in the collection.\n\t * @returns {Object|null} The requested item or `null` if such item does not exist.\n\t */\n\tget( idOrIndex ) {\n\t\tlet item;\n\n\t\tif ( typeof idOrIndex == 'string' ) {\n\t\t\titem = this._itemMap.get( idOrIndex );\n\t\t} else if ( typeof idOrIndex == 'number' ) {\n\t\t\titem = this._items[ idOrIndex ];\n\t\t} else {\n\t\t\t/**\n\t\t\t * An index or ID must be given.\n\t\t\t *\n\t\t\t * @error collection-get-invalid-arg\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'collection-get-invalid-arg', this );\n\t\t}\n\n\t\treturn item || null;\n\t}\n\n\t/**\n\t * Returns a Boolean indicating whether the collection contains an item.\n\t *\n\t * @param {Object|String} itemOrId The item or its ID in the collection.\n\t * @returns {Boolean} `true` if the collection contains the item, `false` otherwise.\n\t */\n\thas( itemOrId ) {\n\t\tif ( typeof itemOrId == 'string' ) {\n\t\t\treturn this._itemMap.has( itemOrId );\n\t\t} else { // Object\n\t\t\tconst idProperty = this._idProperty;\n\t\t\tconst id = itemOrId[ idProperty ];\n\n\t\t\treturn this._itemMap.has( id );\n\t\t}\n\t}\n\n\t/**\n\t * Gets an index of an item in the collection.\n\t * When an item is not defined in the collection, the index will equal -1.\n\t *\n\t * @param {Object|String} itemOrId The item or its ID in the collection.\n\t * @returns {Number} The index of a given item.\n\t */\n\tgetIndex( itemOrId ) {\n\t\tlet item;\n\n\t\tif ( typeof itemOrId == 'string' ) {\n\t\t\titem = this._itemMap.get( itemOrId );\n\t\t} else {\n\t\t\titem = itemOrId;\n\t\t}\n\n\t\treturn this._items.indexOf( item );\n\t}\n\n\t/**\n\t * Removes an item from the collection.\n\t *\n\t * @param {Object|Number|String} subject The item to remove, its ID or index in the collection.\n\t * @returns {Object} The removed item.\n\t * @fires remove\n\t * @fires change\n\t */\n\tremove( subject ) {\n\t\tconst [ item, index ] = this._remove( subject );\n\n\t\tthis.fire( 'change', {\n\t\t\tadded: [],\n\t\t\tremoved: [ item ],\n\t\t\tindex\n\t\t} );\n\n\t\treturn item;\n\t}\n\n\t/**\n\t * Executes the callback for each item in the collection and composes an array or values returned by this callback.\n\t *\n\t * @param {Function} callback\n\t * @param {Object} callback.item\n\t * @param {Number} callback.index\n\t * @param {Object} ctx Context in which the `callback` will be called.\n\t * @returns {Array} The result of mapping.\n\t */\n\tmap( callback, ctx ) {\n\t\treturn this._items.map( callback, ctx );\n\t}\n\n\t/**\n\t * Finds the first item in the collection for which the `callback` returns a true value.\n\t *\n\t * @param {Function} callback\n\t * @param {Object} callback.item\n\t * @param {Number} callback.index\n\t * @param {Object} ctx Context in which the `callback` will be called.\n\t * @returns {Object} The item for which `callback` returned a true value.\n\t */\n\tfind( callback, ctx ) {\n\t\treturn this._items.find( callback, ctx );\n\t}\n\n\t/**\n\t * Returns an array with items for which the `callback` returned a true value.\n\t *\n\t * @param {Function} callback\n\t * @param {Object} callback.item\n\t * @param {Number} callback.index\n\t * @param {Object} ctx Context in which the `callback` will be called.\n\t * @returns {Object[]} The array with matching items.\n\t */\n\tfilter( callback, ctx ) {\n\t\treturn this._items.filter( callback, ctx );\n\t}\n\n\t/**\n\t * Removes all items from the collection and destroys the binding created using\n\t * {@link #bindTo}.\n\t *\n\t * @fires remove\n\t * @fires change\n\t */\n\tclear() {\n\t\tif ( this._bindToCollection ) {\n\t\t\tthis.stopListening( this._bindToCollection );\n\t\t\tthis._bindToCollection = null;\n\t\t}\n\n\t\tconst removedItems = Array.from( this._items );\n\n\t\twhile ( this.length ) {\n\t\t\tthis._remove( 0 );\n\t\t}\n\n\t\tthis.fire( 'change', {\n\t\t\tadded: [],\n\t\t\tremoved: removedItems,\n\t\t\tindex: 0\n\t\t} );\n\t}\n\n\t/**\n\t * Binds and synchronizes the collection with another one.\n\t *\n\t * The binding can be a simple factory:\n\t *\n\t *\t\tclass FactoryClass {\n\t *\t\t\tconstructor( data ) {\n\t *\t\t\t\tthis.label = data.label;\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst source = new Collection( { idProperty: 'label' } );\n\t *\t\tconst target = new Collection();\n\t *\n\t *\t\ttarget.bindTo( source ).as( FactoryClass );\n\t *\n\t *\t\tsource.add( { label: 'foo' } );\n\t *\t\tsource.add( { label: 'bar' } );\n\t *\n\t *\t\tconsole.log( target.length ); // 2\n\t *\t\tconsole.log( target.get( 1 ).label ); // 'bar'\n\t *\n\t *\t\tsource.remove( 0 );\n\t *\t\tconsole.log( target.length ); // 1\n\t *\t\tconsole.log( target.get( 0 ).label ); // 'bar'\n\t *\n\t * or the factory driven by a custom callback:\n\t *\n\t *\t\tclass FooClass {\n\t *\t\t\tconstructor( data ) {\n\t *\t\t\t\tthis.label = data.label;\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tclass BarClass {\n\t *\t\t\tconstructor( data ) {\n\t *\t\t\t\tthis.label = data.label;\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst source = new Collection( { idProperty: 'label' } );\n\t *\t\tconst target = new Collection();\n\t *\n\t *\t\ttarget.bindTo( source ).using( ( item ) => {\n\t *\t\t\tif ( item.label == 'foo' ) {\n\t *\t\t\t\treturn new FooClass( item );\n\t *\t\t\t} else {\n\t *\t\t\t\treturn new BarClass( item );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\tsource.add( { label: 'foo' } );\n\t *\t\tsource.add( { label: 'bar' } );\n\t *\n\t *\t\tconsole.log( target.length ); // 2\n\t *\t\tconsole.log( target.get( 0 ) instanceof FooClass ); // true\n\t *\t\tconsole.log( target.get( 1 ) instanceof BarClass ); // true\n\t *\n\t * or the factory out of property name:\n\t *\n\t *\t\tconst source = new Collection( { idProperty: 'label' } );\n\t *\t\tconst target = new Collection();\n\t *\n\t *\t\ttarget.bindTo( source ).using( 'label' );\n\t *\n\t *\t\tsource.add( { label: { value: 'foo' } } );\n\t *\t\tsource.add( { label: { value: 'bar' } } );\n\t *\n\t *\t\tconsole.log( target.length ); // 2\n\t *\t\tconsole.log( target.get( 0 ).value ); // 'foo'\n\t *\t\tconsole.log( target.get( 1 ).value ); // 'bar'\n\t *\n\t * It's possible to skip specified items by returning falsy value:\n\t *\n\t *\t\tconst source = new Collection();\n\t *\t\tconst target = new Collection();\n\t *\n\t *\t\ttarget.bindTo( source ).using( item => {\n\t *\t\t\tif ( item.hidden ) {\n\t *\t\t\t\treturn null;\n\t *\t\t\t}\n\t *\n\t *\t\t\treturn item;\n\t *\t\t} );\n\t *\n\t *\t\tsource.add( { hidden: true } );\n\t *\t\tsource.add( { hidden: false } );\n\t *\n\t *\t\tconsole.log( source.length ); // 2\n\t *\t\tconsole.log( target.length ); // 1\n\t *\n\t * **Note**: {@link #clear} can be used to break the binding.\n\t *\n\t * @param {module:utils/collection~Collection} externalCollection A collection to be bound.\n\t * @returns {Object}\n\t * @returns {module:utils/collection~CollectionBindToChain} The binding chain object.\n\t */\n\tbindTo( externalCollection ) {\n\t\tif ( this._bindToCollection ) {\n\t\t\t/**\n\t\t\t * The collection cannot be bound more than once.\n\t\t\t *\n\t\t\t * @error collection-bind-to-rebind\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'collection-bind-to-rebind', this );\n\t\t}\n\n\t\tthis._bindToCollection = externalCollection;\n\n\t\treturn {\n\t\t\tas: Class => {\n\t\t\t\tthis._setUpBindToBinding( item => new Class( item ) );\n\t\t\t},\n\n\t\t\tusing: callbackOrProperty => {\n\t\t\t\tif ( typeof callbackOrProperty == 'function' ) {\n\t\t\t\t\tthis._setUpBindToBinding( item => callbackOrProperty( item ) );\n\t\t\t\t} else {\n\t\t\t\t\tthis._setUpBindToBinding( item => item[ callbackOrProperty ] );\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n\n\t/**\n\t * Finalizes and activates a binding initiated by {#bindTo}.\n\t *\n\t * @protected\n\t * @param {Function} factory A function which produces collection items.\n\t */\n\t_setUpBindToBinding( factory ) {\n\t\tconst externalCollection = this._bindToCollection;\n\n\t\t// Adds the item to the collection once a change has been done to the external collection.\n\t\t//\n\t\t// @private\n\t\tconst addItem = ( evt, externalItem, index ) => {\n\t\t\tconst isExternalBoundToThis = externalCollection._bindToCollection == this;\n\t\t\tconst externalItemBound = externalCollection._bindToInternalToExternalMap.get( externalItem );\n\n\t\t\t// If an external collection is bound to this collection, which makes it a 2–way binding,\n\t\t\t// and the particular external collection item is already bound, don't add it here.\n\t\t\t// The external item has been created **out of this collection's item** and (re)adding it will\n\t\t\t// cause a loop.\n\t\t\tif ( isExternalBoundToThis && externalItemBound ) {\n\t\t\t\tthis._bindToExternalToInternalMap.set( externalItem, externalItemBound );\n\t\t\t\tthis._bindToInternalToExternalMap.set( externalItemBound, externalItem );\n\t\t\t} else {\n\t\t\t\tconst item = factory( externalItem );\n\n\t\t\t\t// When there is no item we need to remember skipped index first and then we can skip this item.\n\t\t\t\tif ( !item ) {\n\t\t\t\t\tthis._skippedIndexesFromExternal.push( index );\n\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Lets try to put item at the same index as index in external collection\n\t\t\t\t// but when there are a skipped items in one or both collections we need to recalculate this index.\n\t\t\t\tlet finalIndex = index;\n\n\t\t\t\t// When we try to insert item after some skipped items from external collection we need\n\t\t\t\t// to include this skipped items and decrease index.\n\t\t\t\t//\n\t\t\t\t// For the following example:\n\t\t\t\t// external -> [ 'A', 'B - skipped for internal', 'C - skipped for internal' ]\n\t\t\t\t// internal -> [ A ]\n\t\t\t\t//\n\t\t\t\t// Another item is been added at the end of external collection:\n\t\t\t\t// external.add( 'D' )\n\t\t\t\t// external -> [ 'A', 'B - skipped for internal', 'C - skipped for internal', 'D' ]\n\t\t\t\t//\n\t\t\t\t// We can't just add 'D' to internal at the same index as index in external because\n\t\t\t\t// this will produce empty indexes what is invalid:\n\t\t\t\t// internal -> [ 'A', empty, empty, 'D' ]\n\t\t\t\t//\n\t\t\t\t// So we need to include skipped items and decrease index\n\t\t\t\t// internal -> [ 'A', 'D' ]\n\t\t\t\tfor ( const skipped of this._skippedIndexesFromExternal ) {\n\t\t\t\t\tif ( index > skipped ) {\n\t\t\t\t\t\tfinalIndex--;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// We need to take into consideration that external collection could skip some items from\n\t\t\t\t// internal collection.\n\t\t\t\t//\n\t\t\t\t// For the following example:\n\t\t\t\t// internal -> [ 'A', 'B - skipped for external', 'C - skipped for external' ]\n\t\t\t\t// external -> [ A ]\n\t\t\t\t//\n\t\t\t\t// Another item is been added at the end of external collection:\n\t\t\t\t// external.add( 'D' )\n\t\t\t\t// external -> [ 'A', 'D' ]\n\t\t\t\t//\n\t\t\t\t// We need to include skipped items and place new item after them:\n\t\t\t\t// internal -> [ 'A', 'B - skipped for external', 'C - skipped for external', 'D' ]\n\t\t\t\tfor ( const skipped of externalCollection._skippedIndexesFromExternal ) {\n\t\t\t\t\tif ( finalIndex >= skipped ) {\n\t\t\t\t\t\tfinalIndex++;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tthis._bindToExternalToInternalMap.set( externalItem, item );\n\t\t\t\tthis._bindToInternalToExternalMap.set( item, externalItem );\n\t\t\t\tthis.add( item, finalIndex );\n\n\t\t\t\t// After adding new element to internal collection we need update indexes\n\t\t\t\t// of skipped items in external collection.\n\t\t\t\tfor ( let i = 0; i < externalCollection._skippedIndexesFromExternal.length; i++ ) {\n\t\t\t\t\tif ( finalIndex <= externalCollection._skippedIndexesFromExternal[ i ] ) {\n\t\t\t\t\t\texternalCollection._skippedIndexesFromExternal[ i ]++;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\n\t\t// Load the initial content of the collection.\n\t\tfor ( const externalItem of externalCollection ) {\n\t\t\taddItem( null, externalItem, externalCollection.getIndex( externalItem ) );\n\t\t}\n\n\t\t// Synchronize the with collection as new items are added.\n\t\tthis.listenTo( externalCollection, 'add', addItem );\n\n\t\t// Synchronize the with collection as new items are removed.\n\t\tthis.listenTo( externalCollection, 'remove', ( evt, externalItem, index ) => {\n\t\t\tconst item = this._bindToExternalToInternalMap.get( externalItem );\n\n\t\t\tif ( item ) {\n\t\t\t\tthis.remove( item );\n\t\t\t}\n\n\t\t\t// After removing element from external collection we need update/remove indexes\n\t\t\t// of skipped items in internal collection.\n\t\t\tthis._skippedIndexesFromExternal = this._skippedIndexesFromExternal.reduce( ( result, skipped ) => {\n\t\t\t\tif ( index < skipped ) {\n\t\t\t\t\tresult.push( skipped - 1 );\n\t\t\t\t}\n\n\t\t\t\tif ( index > skipped ) {\n\t\t\t\t\tresult.push( skipped );\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\t\t\t}, [] );\n\t\t} );\n\t}\n\n\t/**\n\t * Returns an unique id property for a given `item`.\n\t *\n\t * The method will generate new id and assign it to the `item` if it doesn't have any.\n\t *\n\t * @private\n\t * @param {Object} item Item to be added.\n\t * @returns {String}\n\t */\n\t_getItemIdBeforeAdding( item ) {\n\t\tconst idProperty = this._idProperty;\n\t\tlet itemId;\n\n\t\tif ( ( idProperty in item ) ) {\n\t\t\titemId = item[ idProperty ];\n\n\t\t\tif ( typeof itemId != 'string' ) {\n\t\t\t\t/**\n\t\t\t\t * This item's ID should be a string.\n\t\t\t\t *\n\t\t\t\t * @error collection-add-invalid-id\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'collection-add-invalid-id', this );\n\t\t\t}\n\n\t\t\tif ( this.get( itemId ) ) {\n\t\t\t\t/**\n\t\t\t\t * This item already exists in the collection.\n\t\t\t\t *\n\t\t\t\t * @error collection-add-item-already-exists\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'collection-add-item-already-exists', this );\n\t\t\t}\n\t\t} else {\n\t\t\titem[ idProperty ] = itemId = uid();\n\t\t}\n\n\t\treturn itemId;\n\t}\n\n\t/**\n\t * Core {@link #remove} method implementation shared in other functions.\n\t *\n\t * In contrast this method **does not** fire the {@link #event:change} event.\n\t *\n\t * @private\n\t * @param {Object} subject The item to remove, its id or index in the collection.\n\t * @returns {Array} Returns an array with the removed item and its index.\n\t * @fires remove\n\t */\n\t_remove( subject ) {\n\t\tlet index, id, item;\n\t\tlet itemDoesNotExist = false;\n\t\tconst idProperty = this._idProperty;\n\n\t\tif ( typeof subject == 'string' ) {\n\t\t\tid = subject;\n\t\t\titem = this._itemMap.get( id );\n\t\t\titemDoesNotExist = !item;\n\n\t\t\tif ( item ) {\n\t\t\t\tindex = this._items.indexOf( item );\n\t\t\t}\n\t\t} else if ( typeof subject == 'number' ) {\n\t\t\tindex = subject;\n\t\t\titem = this._items[ index ];\n\t\t\titemDoesNotExist = !item;\n\n\t\t\tif ( item ) {\n\t\t\t\tid = item[ idProperty ];\n\t\t\t}\n\t\t} else {\n\t\t\titem = subject;\n\t\t\tid = item[ idProperty ];\n\t\t\tindex = this._items.indexOf( item );\n\t\t\titemDoesNotExist = ( index == -1 || !this._itemMap.get( id ) );\n\t\t}\n\n\t\tif ( itemDoesNotExist ) {\n\t\t\t/**\n\t\t\t * Item not found.\n\t\t\t *\n\t\t\t * @error collection-remove-404\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'collection-remove-404', this );\n\t\t}\n\n\t\tthis._items.splice( index, 1 );\n\t\tthis._itemMap.delete( id );\n\n\t\tconst externalItem = this._bindToInternalToExternalMap.get( item );\n\t\tthis._bindToInternalToExternalMap.delete( item );\n\t\tthis._bindToExternalToInternalMap.delete( externalItem );\n\n\t\tthis.fire( 'remove', item, index );\n\n\t\treturn [ item, index ];\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._items[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Fired when an item is added to the collection.\n\t *\n\t * @event add\n\t * @param {Object} item The added item.\n\t */\n\n\t/**\n\t * Fired when the collection was changed due to adding or removing items.\n\t *\n\t * @event change\n\t * @param {Iterable.<Object>} added A list of added items.\n\t * @param {Iterable.<Object>} removed A list of removed items.\n\t * @param {Number} index An index where the addition or removal occurred.\n\t */\n\n\t/**\n\t * Fired when an item is removed from the collection.\n\t *\n\t * @event remove\n\t * @param {Object} item The removed item.\n\t * @param {Number} index Index from which item was removed.\n\t */\n}\n\nmix( Collection, EmitterMixin );\n\n/**\n * An object returned by the {@link module:utils/collection~Collection#bindTo `bindTo()`} method\n * providing functions that specify the type of the binding.\n *\n * See the {@link module:utils/collection~Collection#bindTo `bindTo()`} documentation for examples.\n *\n * @interface module:utils/collection~CollectionBindToChain\n */\n\n/**\n * Creates a callback or a property binding.\n *\n * @method #using\n * @param {Function|String} callbackOrProperty  When the function is passed, it should return\n * the collection items. When the string is provided, the property value is used to create the bound collection items.\n */\n\n/**\n * Creates the class factory binding in which items of the source collection are passed to\n * the constructor of the specified class.\n *\n * @method #as\n * @param {Function} Class The class constructor used to create instances in the factory.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/plugincollection\n */\n\nimport CKEditorError, { logError } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Manages a list of CKEditor plugins, including loading, resolving dependencies and initialization.\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class PluginCollection {\n\t/**\n\t * Creates an instance of the plugin collection class.\n\t * Allows loading and initializing plugins and their dependencies.\n\t * Allows providing a list of already loaded plugins. These plugins will not be destroyed along with this collection.\n\t *\n\t * @param {module:core/editor/editor~Editor|module:core/context~Context} context\n\t * @param {Array.<Function>} [availablePlugins] Plugins (constructors) which the collection will be able to use\n\t * when {@link module:core/plugincollection~PluginCollection#init} is used with the plugin names (strings, instead of constructors).\n\t * Usually, the editor will pass its built-in plugins to the collection so they can later be\n\t * used in `config.plugins` or `config.removePlugins` by names.\n\t * @param {Iterable.<Array>} contextPlugins A list of already initialized plugins represented by a\n\t * `[ PluginConstructor, pluginInstance ]` pair.\n\t */\n\tconstructor( context, availablePlugins = [], contextPlugins = [] ) {\n\t\t/**\n\t\t * @protected\n\t\t * @type {module:core/editor/editor~Editor|module:core/context~Context}\n\t\t */\n\t\tthis._context = context;\n\n\t\t/**\n\t\t * @protected\n\t\t * @type {Map}\n\t\t */\n\t\tthis._plugins = new Map();\n\n\t\t/**\n\t\t * A map of plugin constructors that can be retrieved by their names.\n\t\t *\n\t\t * @protected\n\t\t * @type {Map.<String|Function,Function>}\n\t\t */\n\t\tthis._availablePlugins = new Map();\n\n\t\tfor ( const PluginConstructor of availablePlugins ) {\n\t\t\tif ( PluginConstructor.pluginName ) {\n\t\t\t\tthis._availablePlugins.set( PluginConstructor.pluginName, PluginConstructor );\n\t\t\t}\n\t\t}\n\n\t\t/**\n\t\t * Map of {@link module:core/contextplugin~ContextPlugin context plugins} which can be retrieved by their constructors or instances.\n\t\t *\n\t\t * @protected\n\t\t * @type {Map<Function,Function>}\n\t\t */\n\t\tthis._contextPlugins = new Map();\n\n\t\tfor ( const [ PluginConstructor, pluginInstance ] of contextPlugins ) {\n\t\t\tthis._contextPlugins.set( PluginConstructor, pluginInstance );\n\t\t\tthis._contextPlugins.set( pluginInstance, PluginConstructor );\n\n\t\t\t// To make it possible to require a plugin by its name.\n\t\t\tif ( PluginConstructor.pluginName ) {\n\t\t\t\tthis._availablePlugins.set( PluginConstructor.pluginName, PluginConstructor );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Returns `[ PluginConstructor, pluginInstance ]` pairs.\n\t *\n\t * @returns {Iterable.<Array>}\n\t */\n\t* [ Symbol.iterator ]() {\n\t\tfor ( const entry of this._plugins ) {\n\t\t\tif ( typeof entry[ 0 ] == 'function' ) {\n\t\t\t\tyield entry;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Gets the plugin instance by its constructor or name.\n\t *\n\t *\t\t// Check if 'Clipboard' plugin was loaded.\n\t *\t\tif ( editor.plugins.has( 'Clipboard' ) ) {\n\t *\t\t\t// Get clipboard plugin instance\n\t *\t\t\tconst clipboard = editor.plugins.get( 'Clipboard' );\n\t *\n\t *\t\t\tthis.listenTo( clipboard, 'inputTransformation', ( evt, data ) => {\n\t *\t\t\t\t// Do something on clipboard input.\n\t *\t\t\t} );\n\t *\t\t}\n\t *\n\t * **Note**: This method will throw an error if a plugin is not loaded. Use `{@link #has editor.plugins.has()}`\n\t * to check if a plugin is available.\n\t *\n\t * @param {Function|String} key The plugin constructor or {@link module:core/plugin~PluginInterface.pluginName name}.\n\t * @returns {module:core/plugin~PluginInterface}\n\t */\n\tget( key ) {\n\t\tconst plugin = this._plugins.get( key );\n\n\t\tif ( !plugin ) {\n\t\t\tlet pluginName = key;\n\n\t\t\tif ( typeof key == 'function' ) {\n\t\t\t\tpluginName = key.pluginName || key.name;\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * The plugin is not loaded and could not be obtained.\n\t\t\t *\n\t\t\t * Plugin classes (constructors) need to be provided to the editor and must be loaded before they can be obtained from\n\t\t\t * the plugin collection.\n\t\t\t * This is usually done in CKEditor 5 builds by setting the {@link module:core/editor/editor~Editor.builtinPlugins}\n\t\t\t * property.\n\t\t\t *\n\t\t\t * **Note**: You can use `{@link module:core/plugincollection~PluginCollection#has editor.plugins.has()}`\n\t\t\t * to check if a plugin was loaded.\n\t\t\t *\n\t\t\t * @error plugincollection-plugin-not-loaded\n\t\t\t * @param {String} plugin The name of the plugin which is not loaded.\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'plugincollection-plugin-not-loaded', this._context, { plugin: pluginName } );\n\t\t}\n\n\t\treturn plugin;\n\t}\n\n\t/**\n\t * Checks if a plugin is loaded.\n\t *\n\t *\t\t// Check if the 'Clipboard' plugin was loaded.\n\t *\t\tif ( editor.plugins.has( 'Clipboard' ) ) {\n\t *\t\t\t// Now use the clipboard plugin instance:\n\t *\t\t\tconst clipboard = editor.plugins.get( 'Clipboard' );\n\t *\n\t *\t\t\t// ...\n\t *\t\t}\n\t *\n\t * @param {Function|String} key The plugin constructor or {@link module:core/plugin~PluginInterface.pluginName name}.\n\t * @returns {Boolean}\n\t */\n\thas( key ) {\n\t\treturn this._plugins.has( key );\n\t}\n\n\t/**\n\t * Initializes a set of plugins and adds them to the collection.\n\t *\n\t * @param {Array.<Function|String>} plugins An array of {@link module:core/plugin~PluginInterface plugin constructors}\n\t * or {@link module:core/plugin~PluginInterface.pluginName plugin names}. The second option (names) works only if\n\t * `availablePlugins` were passed to the {@link #constructor}.\n\t * @param {Array.<String|Function>} [removePlugins] Names of the plugins or plugin constructors\n\t * that should not be loaded (despite being specified in the `plugins` array).\n\t * @returns {Promise.<module:core/plugin~LoadedPlugins>} A promise which gets resolved once all plugins are loaded\n\t * and available in the collection.\n\t */\n\tinit( plugins, removePlugins = [] ) {\n\t\tconst that = this;\n\t\tconst context = this._context;\n\t\tconst loading = new Set();\n\t\tconst loaded = [];\n\n\t\tconst pluginConstructors = mapToAvailableConstructors( plugins );\n\t\tconst removePluginConstructors = mapToAvailableConstructors( removePlugins );\n\t\tconst missingPlugins = getMissingPluginNames( plugins );\n\n\t\tif ( missingPlugins ) {\n\t\t\t/**\n\t\t\t * Some plugins are not available and could not be loaded.\n\t\t\t *\n\t\t\t * Plugin classes (constructors) need to be provided to the editor before they can be loaded by name.\n\t\t\t * This is usually done in CKEditor 5 builds by setting the {@link module:core/editor/editor~Editor.builtinPlugins}\n\t\t\t * property.\n\t\t\t *\n\t\t\t * **If you see this warning when using one of the {@glink builds/index CKEditor 5 Builds}**, it means\n\t\t\t * that you try to enable a plugin which was not included in that build. This may be due to a typo\n\t\t\t * in the plugin name or simply because that plugin is not a part of this build. In the latter scenario,\n\t\t\t * read more about {@glink builds/guides/development/custom-builds custom builds}.\n\t\t\t *\n\t\t\t * **If you see this warning when using one of the editor creators directly** (not a build), then it means\n\t\t\t * that you tried loading plugins by name. However, unlike CKEditor 4, CKEditor 5 does not implement a \"plugin loader\".\n\t\t\t * This means that CKEditor 5 does not know where to load the plugin modules from. Therefore, you need to\n\t\t\t * provide each plugin through a reference (as a constructor function). Check out the examples in\n\t\t\t * {@glink builds/guides/integration/advanced-setup#scenario-2-building-from-source \"Building from source\"}.\n\t\t\t *\n\t\t\t * @error plugincollection-plugin-not-found\n\t\t\t * @param {Array.<String>} plugins The name of the plugins which could not be loaded.\n\t\t\t */\n\t\t\tconst errorId = 'plugincollection-plugin-not-found';\n\n\t\t\t// Log the error, so it's more visible on the console. Hopefully, for a better DX.\n\t\t\tlogError( errorId, { plugins: missingPlugins } );\n\n\t\t\treturn Promise.reject( new CKEditorError( errorId, context, { plugins: missingPlugins } ) );\n\t\t}\n\n\t\treturn Promise.all( pluginConstructors.map( loadPlugin ) )\n\t\t\t.then( () => initPlugins( loaded, 'init' ) )\n\t\t\t.then( () => initPlugins( loaded, 'afterInit' ) )\n\t\t\t.then( () => loaded );\n\n\t\tfunction loadPlugin( PluginConstructor ) {\n\t\t\tif ( removePluginConstructors.includes( PluginConstructor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// The plugin is already loaded or being loaded - do nothing.\n\t\t\tif ( that._plugins.has( PluginConstructor ) || loading.has( PluginConstructor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\treturn instantiatePlugin( PluginConstructor )\n\t\t\t\t.catch( err => {\n\t\t\t\t\t/**\n\t\t\t\t\t * It was not possible to load the plugin.\n\t\t\t\t\t *\n\t\t\t\t\t * This is a generic error logged to the console when a JavaScript error is thrown during the initialization\n\t\t\t\t\t * of one of the plugins.\n\t\t\t\t\t *\n\t\t\t\t\t * If you correctly handled the promise returned by the editor's `create()` method (as shown below),\n\t\t\t\t\t * you will find the original error logged to the console, too:\n\t\t\t\t\t *\n\t\t\t\t\t *\t\tClassicEditor.create( document.getElementById( 'editor' ) )\n\t\t\t\t\t *\t\t\t.then( editor => {\n\t\t\t\t\t *\t\t\t\t// ...\n\t\t\t\t\t * \t\t\t} )\n\t\t\t\t\t *\t\t\t.catch( error => {\n\t\t\t\t\t *\t\t\t\tconsole.error( error );\n\t\t\t\t\t *\t\t\t} );\n\t\t\t\t\t *\n\t\t\t\t\t * @error plugincollection-load\n\t\t\t\t\t * @param {String} plugin The name of the plugin that could not be loaded.\n\t\t\t\t\t */\n\t\t\t\t\tlogError( 'plugincollection-load', { plugin: PluginConstructor } );\n\n\t\t\t\t\tthrow err;\n\t\t\t\t} );\n\t\t}\n\n\t\tfunction initPlugins( loadedPlugins, method ) {\n\t\t\treturn loadedPlugins.reduce( ( promise, plugin ) => {\n\t\t\t\tif ( !plugin[ method ] ) {\n\t\t\t\t\treturn promise;\n\t\t\t\t}\n\n\t\t\t\tif ( that._contextPlugins.has( plugin ) ) {\n\t\t\t\t\treturn promise;\n\t\t\t\t}\n\n\t\t\t\treturn promise.then( plugin[ method ].bind( plugin ) );\n\t\t\t}, Promise.resolve() );\n\t\t}\n\n\t\tfunction instantiatePlugin( PluginConstructor ) {\n\t\t\treturn new Promise( resolve => {\n\t\t\t\tloading.add( PluginConstructor );\n\n\t\t\t\tif ( PluginConstructor.requires ) {\n\t\t\t\t\tPluginConstructor.requires.forEach( RequiredPluginConstructorOrName => {\n\t\t\t\t\t\tconst RequiredPluginConstructor = getPluginConstructor( RequiredPluginConstructorOrName );\n\n\t\t\t\t\t\tif ( PluginConstructor.isContextPlugin && !RequiredPluginConstructor.isContextPlugin ) {\n\t\t\t\t\t\t\t/**\n\t\t\t\t\t\t\t * If a plugin is a context plugin, all plugins it requires should also be context plugins\n\t\t\t\t\t\t\t * instead of plugins. In other words, if one plugin can be used in the context,\n\t\t\t\t\t\t\t * all its requirements should also be ready to be used in the context. Note that the context\n\t\t\t\t\t\t\t * provides only a part of the API provided by the editor. If one plugin needs a full\n\t\t\t\t\t\t\t * editor API, all plugins which require it are considered as plugins that need a full\n\t\t\t\t\t\t\t * editor API.\n\t\t\t\t\t\t\t *\n\t\t\t\t\t\t\t * @error plugincollection-context-required\n\t\t\t\t\t\t\t * @param {String} plugin The name of the required plugin.\n\t\t\t\t\t\t\t * @param {String} requiredBy The name of the parent plugin.\n\t\t\t\t\t\t\t */\n\t\t\t\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t\t\t\t'plugincollection-context-required',\n\t\t\t\t\t\t\t\tnull,\n\t\t\t\t\t\t\t\t{ plugin: RequiredPluginConstructor.name, requiredBy: PluginConstructor.name }\n\t\t\t\t\t\t\t);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( removePlugins.includes( RequiredPluginConstructor ) ) {\n\t\t\t\t\t\t\t/**\n\t\t\t\t\t\t\t * Cannot load a plugin because one of its dependencies is listed in the `removePlugins` option.\n\t\t\t\t\t\t\t *\n\t\t\t\t\t\t\t * @error plugincollection-required\n\t\t\t\t\t\t\t * @param {String} plugin The name of the required plugin.\n\t\t\t\t\t\t\t * @param {String} requiredBy The name of the parent plugin.\n\t\t\t\t\t\t\t */\n\t\t\t\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t\t\t\t'plugincollection-required',\n\t\t\t\t\t\t\t\tcontext,\n\t\t\t\t\t\t\t\t{ plugin: RequiredPluginConstructor.name, requiredBy: PluginConstructor.name }\n\t\t\t\t\t\t\t);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tloadPlugin( RequiredPluginConstructor );\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t\tconst plugin = that._contextPlugins.get( PluginConstructor ) || new PluginConstructor( context );\n\t\t\t\tthat._add( PluginConstructor, plugin );\n\t\t\t\tloaded.push( plugin );\n\n\t\t\t\tresolve();\n\t\t\t} );\n\t\t}\n\n\t\tfunction getPluginConstructor( PluginConstructorOrName ) {\n\t\t\tif ( typeof PluginConstructorOrName == 'function' ) {\n\t\t\t\treturn PluginConstructorOrName;\n\t\t\t}\n\n\t\t\treturn that._availablePlugins.get( PluginConstructorOrName );\n\t\t}\n\n\t\tfunction getMissingPluginNames( plugins ) {\n\t\t\tconst missingPlugins = [];\n\n\t\t\tfor ( const pluginNameOrConstructor of plugins ) {\n\t\t\t\tif ( !getPluginConstructor( pluginNameOrConstructor ) ) {\n\t\t\t\t\tmissingPlugins.push( pluginNameOrConstructor );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn missingPlugins.length ? missingPlugins : null;\n\t\t}\n\n\t\tfunction mapToAvailableConstructors( plugins ) {\n\t\t\treturn plugins\n\t\t\t\t.map( pluginNameOrConstructor => getPluginConstructor( pluginNameOrConstructor ) )\n\t\t\t\t.filter( PluginConstructor => !!PluginConstructor );\n\t\t}\n\t}\n\n\t/**\n\t * Destroys all loaded plugins.\n\t *\n\t * @returns {Promise}\n\t */\n\tdestroy() {\n\t\tconst promises = [];\n\n\t\tfor ( const [ , pluginInstance ] of this ) {\n\t\t\tif ( typeof pluginInstance.destroy == 'function' && !this._contextPlugins.has( pluginInstance ) ) {\n\t\t\t\tpromises.push( pluginInstance.destroy() );\n\t\t\t}\n\t\t}\n\n\t\treturn Promise.all( promises );\n\t}\n\n\t/**\n\t * Adds the plugin to the collection. Exposed mainly for testing purposes.\n\t *\n\t * @protected\n\t * @param {Function} PluginConstructor The plugin constructor.\n\t * @param {module:core/plugin~PluginInterface} plugin The instance of the plugin.\n\t */\n\t_add( PluginConstructor, plugin ) {\n\t\tthis._plugins.set( PluginConstructor, plugin );\n\n\t\tconst pluginName = PluginConstructor.pluginName;\n\n\t\tif ( !pluginName ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( this._plugins.has( pluginName ) ) {\n\t\t\t/**\n\t\t\t * Two plugins with the same {@link module:core/plugin~PluginInterface.pluginName} were loaded.\n\t\t\t * This will lead to runtime conflicts between these plugins.\n\t\t\t *\n\t\t\t * In practice, this warning usually means that new plugins were added to an existing CKEditor 5 build.\n\t\t\t * Plugins should always be added to a source version of the editor (`@ckeditor/ckeditor5-editor-*`),\n\t\t\t * not to an editor imported from one of the `@ckeditor/ckeditor5-build-*` packages.\n\t\t\t *\n\t\t\t * Check your import paths and the list of plugins passed to\n\t\t\t * {@link module:core/editor/editor~Editor.create `Editor.create()`}\n\t\t\t * or specified in {@link module:core/editor/editor~Editor.builtinPlugins `Editor.builtinPlugins`}.\n\t\t\t *\n\t\t\t * The second option is that your `node_modules/` directory contains duplicated versions of the same\n\t\t\t * CKEditor 5 packages. Normally, on clean installations, npm deduplicates packages in `node_modules/`, so\n\t\t\t * it may be enough to call `rm -rf node_modules && npm i`. However, if you installed conflicting versions\n\t\t\t * of some packages, their dependencies may need to be installed in more than one version which may lead to this\n\t\t\t * warning.\n\t\t\t *\n\t\t\t * Technically speaking, this error occurs because after adding a plugin to an existing editor build\n\t\t\t * the dependencies of this plugin are being duplicated.\n\t\t\t * They are already built into that editor build and now get added for the second time as dependencies\n\t\t\t * of the plugin you are installing.\n\t\t\t *\n\t\t\t * Read more about {@glink builds/guides/integration/installing-plugins installing plugins}.\n\t\t\t *\n\t\t\t * @error plugincollection-plugin-name-conflict\n\t\t\t * @param {String} pluginName The duplicated plugin name.\n\t\t\t * @param {Function} plugin1 The first plugin constructor.\n\t\t\t * @param {Function} plugin2 The second plugin constructor.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'plugincollection-plugin-name-conflict',\n\t\t\t\tnull,\n\t\t\t\t{ pluginName, plugin1: this._plugins.get( pluginName ).constructor, plugin2: PluginConstructor }\n\t\t\t);\n\t\t}\n\n\t\tthis._plugins.set( pluginName, plugin );\n\t}\n}\n\nmix( PluginCollection, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/toarray\n */\n\n/**\n * Transforms any value to an array. If the provided value is already an array, it is returned unchanged.\n *\n * @param {*} data The value to transform to an array.\n * @returns {Array} An array created from data.\n */\nexport default function toArray( data ) {\n\treturn Array.isArray( data ) ? data : [ data ];\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals window */\n\n/**\n * @module utils/translation-service\n */\n\nimport CKEditorError from './ckeditorerror';\n\n/* istanbul ignore else */\nif ( !window.CKEDITOR_TRANSLATIONS ) {\n\twindow.CKEDITOR_TRANSLATIONS = {};\n}\n\n/**\n * Adds translations to existing ones or overrides the existing translations. These translations will later\n * be available for the {@link module:utils/locale~Locale#t `t()`} function.\n *\n * The `translations` is an object which consists of `messageId: translation` pairs. Note that the message ID can be\n * either constructed from the message string or from the message ID if it was passed\n * (this happens rarely and mostly for short messages or messages with placeholders).\n * Since the editor displays only the message string, the message ID can be found either in the source code or in the\n * built translations for another language.\n *\n *\t\tadd( 'pl', {\n *\t\t\t'Cancel': 'Anuluj',\n *\t\t\t'IMAGE': 'obraz', // Note that the `IMAGE` comes from the message ID, while the string can be `image`.\n *\t\t} );\n *\n * If the message is supposed to support various plural forms, make sure to provide an array with the singular form and all plural forms:\n *\n *\t\tadd( 'pl', {\n *\t \t\t'Add space': [ 'Dodaj spację', 'Dodaj %0 spacje', 'Dodaj %0 spacji' ]\n * \t\t} );\n *\n * You should also specify the third argument (the `getPluralForm()` function) that will be used to determine the plural form if no\n * language file was loaded for that language. All language files coming from CKEditor 5 sources will have this option set, so\n * these plural form rules will be reused by other translations added to the registered languages. The `getPluralForm()` function\n * can return either a Boolean or a number.\n *\n * \t\tadd( 'en', {\n *\t \t\t// ... Translations.\n * \t\t}, n => n !== 1 );\n * \t\tadd( 'pl', {\n *\t \t\t// ... Translations.\n * \t\t}, n => n == 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && ( n % 100 < 10 || n % 100 >= 20 ) ? 1 : 2 );\n *\n * All translations extend the global `window.CKEDITOR_TRANSLATIONS` object. An example of this object can be found below:\n *\n * \t\t{\n * \t\t\tpl: {\n *\t\t\t\tdictionary: {\n *\t\t\t\t\t'Cancel': 'Anuluj',\n *\t\t\t\t\t'Add space': [ 'Dodaj spację', 'Dodaj %0 spacje', 'Dodaj %0 spacji' ]\n *\t\t\t\t},\n *\t\t\t\t// A function that returns the plural form index.\n *\t\t\t\tgetPluralForm: n => n !==1\n *\t\t\t}\n *\t\t\t// Other languages.\n *\t\t}\n *\n * If you cannot import this function from this module (e.g. because you use a CKEditor 5 build), you can\n * still add translations by extending the global `window.CKEDITOR_TRANSLATIONS` object by using a function like\n * the one below:\n *\n *\t\tfunction addTranslations( language, translations, getPluralForm ) {\n *\t\t\tif ( !window.CKEDITOR_TRANSLATIONS ) {\n *\t\t\t\twindow.CKEDITOR_TRANSLATIONS = {};\n *\t\t\t}\n\n *\t\t\tif ( !window.CKEDITOR_TRANSLATIONS[ language ] ) {\n *\t\t\t\twindow.CKEDITOR_TRANSLATIONS[ language ] = {};\n *\t\t\t}\n *\n *\t\t\tconst languageTranslations = window.CKEDITOR_TRANSLATIONS[ language ];\n *\n * \t\t\tlanguageTranslations.dictionary = languageTranslations.dictionary || {};\n * \t\t\tlanguageTranslations.getPluralForm = getPluralForm || languageTranslations.getPluralForm;\n *\n *\t\t\t// Extend the dictionary for the given language.\n *\t\t\tObject.assign( languageTranslations.dictionary, translations );\n *\t\t}\n *\n * @param {String} language Target language.\n * @param {Object.<String,*>} translations An object with translations which will be added to the dictionary.\n * For each message ID the value should be either a translation or an array of translations if the message\n * should support plural forms.\n * @param {Function} getPluralForm A function that returns the plural form index (a number).\n */\nexport function add( language, translations, getPluralForm ) {\n\tif ( !window.CKEDITOR_TRANSLATIONS[ language ] ) {\n\t\twindow.CKEDITOR_TRANSLATIONS[ language ] = {};\n\t}\n\n\tconst languageTranslations = window.CKEDITOR_TRANSLATIONS[ language ];\n\n\tlanguageTranslations.dictionary = languageTranslations.dictionary || {};\n\tlanguageTranslations.getPluralForm = getPluralForm || languageTranslations.getPluralForm;\n\n\tObject.assign( languageTranslations.dictionary, translations );\n}\n\n/**\n * **Note:** This method is internal, use {@link module:utils/locale~Locale#t the `t()` function} instead to translate\n * the editor UI parts.\n *\n * This function is responsible for translating messages to the specified language. It uses translations added perviously\n * by {@link module:utils/translation-service~add} (a translations dictionary and the `getPluralForm()` function\n * to provide accurate translations of plural forms).\n *\n * When no translation is defined in the dictionary or the dictionary does not exist, this function returns\n * the original message string or the message plural depending on the number of elements.\n *\n *\t\ttranslate( 'pl', { string: 'Cancel' } ); // 'Cancel'\n *\n * The third optional argument is the number of elements, based on which the single form or one of the plural forms\n * should be picked when the message is supposed to support various plural forms.\n *\n * \t\ttranslate( 'en', { string: 'Add a space', plural: 'Add %0 spaces' }, 1 ); // 'Add a space'\n * \t\ttranslate( 'en', { string: 'Add a space', plural: 'Add %0 spaces' }, 3 ); // 'Add %0 spaces'\n *\n * The message should provide an ID using the `id` property when the message strings are not unique and their\n * translations should be different.\n *\n *\t\ttranslate( 'en', { string: 'image', id: 'ADD_IMAGE' } );\n *\t\ttranslate( 'en', { string: 'image', id: 'AN_IMAGE' } );\n *\n * @protected\n * @param {String} language Target language.\n * @param {module:utils/translation-service~Message|String} message A message that will be translated.\n * @param {Number} [quantity] The number of elements for which a plural form should be picked from the target language dictionary.\n * @returns {String} Translated sentence.\n */\nexport function _translate( language, message, quantity = 1 ) {\n\tif ( typeof quantity !== 'number' ) {\n\t\t/**\n\t\t * An incorrect value was passed to the translation function. This was probably caused\n\t\t * by an incorrect message interpolation of a plural form. Note that for messages supporting plural forms\n\t\t * the second argument of the `t()` function should always be a number or an array with a number as the first element.\n\t\t *\n\t\t * @error translation-service-quantity-not-a-number\n\t\t */\n\t\tthrow new CKEditorError( 'translation-service-quantity-not-a-number', null, { quantity } );\n\t}\n\n\tconst numberOfLanguages = getNumberOfLanguages();\n\n\tif ( numberOfLanguages === 1 ) {\n\t\t// Override the language to the only supported one.\n\t\t// This can't be done in the `Locale` class, because the translations comes after the `Locale` class initialization.\n\t\tlanguage = Object.keys( window.CKEDITOR_TRANSLATIONS )[ 0 ];\n\t}\n\n\tconst messageId = message.id || message.string;\n\n\tif ( numberOfLanguages === 0 || !hasTranslation( language, messageId ) ) {\n\t\tif ( quantity !== 1 ) {\n\t\t\t// Return the default plural form that was passed in the `message.plural` parameter.\n\t\t\treturn message.plural;\n\t\t}\n\n\t\treturn message.string;\n\t}\n\n\tconst dictionary = window.CKEDITOR_TRANSLATIONS[ language ].dictionary;\n\tconst getPluralForm = window.CKEDITOR_TRANSLATIONS[ language ].getPluralForm || ( n => n === 1 ? 0 : 1 );\n\n\tif ( typeof dictionary[ messageId ] === 'string' ) {\n\t\treturn dictionary[ messageId ];\n\t}\n\n\tconst pluralFormIndex = Number( getPluralForm( quantity ) );\n\n\t// Note: The `translate` function is not responsible for replacing `%0, %1, ...` with values.\n\treturn dictionary[ messageId ][ pluralFormIndex ];\n}\n\n/**\n * Clears dictionaries for test purposes.\n *\n * @protected\n */\nexport function _clear() {\n\twindow.CKEDITOR_TRANSLATIONS = {};\n}\n\n// Checks whether the dictionary exists and translation in that dictionary exists.\nfunction hasTranslation( language, messageId ) {\n\treturn (\n\t\t!!window.CKEDITOR_TRANSLATIONS[ language ] &&\n\t\t!!window.CKEDITOR_TRANSLATIONS[ language ].dictionary[ messageId ]\n\t);\n}\n\nfunction getNumberOfLanguages() {\n\treturn Object.keys( window.CKEDITOR_TRANSLATIONS ).length;\n}\n\n/**\n * The internationalization message interface. A message that implements this interface can be passed to the `t()` function\n * to be translated to the target UI language.\n *\n * @typedef {Object} module:utils/translation-service~Message\n *\n * @property {String} string The message string to translate. Acts as a default translation if the translation for a given language\n * is not defined. When the message is supposed to support plural forms, the string should be the English singular form of the message.\n * @property {String} [id] The message ID. If passed, the message ID is taken from this property instead of the `message.string`.\n * This property is useful when various messages share the same message string, for example, the `editor` string in `in the editor`\n * and `my editor` sentences.\n * @property {String} [plural] The plural form of the message. This property should be skipped when a message is not supposed\n * to support plural forms. Otherwise it should always be set to a string with the English plural form of the message.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/locale\n */\n\n/* globals console */\n\nimport toArray from './toarray';\nimport { _translate } from './translation-service';\n\nconst RTL_LANGUAGE_CODES = [ 'ar', 'fa', 'he', 'ku', 'ug' ];\n\n/**\n * Represents the localization services.\n */\nexport default class Locale {\n\t/**\n\t * Creates a new instance of the locale class. Learn more about\n\t * {@glink features/ui-language configuring the language of the editor}.\n\t *\n\t * @param {Object} [options] Locale configuration.\n\t * @param {String} [options.uiLanguage='en'] The editor UI language code in the\n\t * [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format. See {@link #uiLanguage}.\n\t * @param {String} [options.contentLanguage] The editor content language code in the\n\t * [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format. If not specified, the same as `options.language`.\n\t * See {@link #contentLanguage}.\n\t */\n\tconstructor( options = {} ) {\n\t\t/**\n\t\t * The editor UI language code in the [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format.\n\t\t *\n\t\t * If the {@link #contentLanguage content language} was not specified in the `Locale` constructor,\n\t\t * it also defines the language of the content.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.uiLanguage = options.uiLanguage || 'en';\n\n\t\t/**\n\t\t * The editor content language code in the [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format.\n\t\t *\n\t\t * Usually the same as the {@link #uiLanguage editor language}, it can be customized by passing an optional\n\t\t * argument to the `Locale` constructor.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.contentLanguage = options.contentLanguage || this.uiLanguage;\n\n\t\t/**\n\t\t * Text direction of the {@link #uiLanguage editor UI language}. Either `'ltr'` or `'rtl'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.uiLanguageDirection = getLanguageDirection( this.uiLanguage );\n\n\t\t/**\n\t\t * Text direction of the {@link #contentLanguage editor content language}.\n\t\t *\n\t\t * If the content language was passed directly to the `Locale` constructor, this property represents the\n\t\t * direction of that language.\n\t\t *\n\t\t * If the {@link #contentLanguage editor content language} was derived from the {@link #uiLanguage editor language},\n\t\t * the content language direction is the same as the {@link #uiLanguageDirection UI language direction}.\n\t\t *\n\t\t * The value is either `'ltr'` or `'rtl'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.contentLanguageDirection = getLanguageDirection( this.contentLanguage );\n\n\t\t/**\n\t\t * Translates the given message to the {@link #uiLanguage}. This method is also available in\n\t\t * {@link module:core/editor/editor~Editor#t `Editor`} and {@link module:ui/view~View#t `View`}.\n\t\t *\n\t\t * This method's context is statically bound to the `Locale` instance and **should always be called as a function**:\n\t\t *\n\t\t *\t\tconst t = locale.t;\n\t\t *\t\tt( 'Label' );\n\t\t *\n\t\t * The message can be either a string or an object implementing the {@link module:utils/translation-service~Message} interface.\n\t\t *\n\t\t * The message may contain placeholders (`%<index>`) for value(s) that are passed as a `values` parameter.\n\t\t * For an array of values, the `%<index>` will be changed to an element of that array at the given index.\n\t\t * For a single value passed as the second argument, only the `%0` placeholders will be changed to the provided value.\n\t\t *\n\t\t *\t\tt( 'Created file \"%0\" in %1ms.', [ fileName, timeTaken ] );\n\t\t * \t\tt( 'Created file \"%0\", fileName );\n\t\t *\n\t\t * The message supports plural forms. To specify the plural form, use the `plural` property. Singular or plural form\n\t\t * will be chosen depending on the first value from the passed `values`. The value of the `plural` property is used\n\t\t * as a default plural translation when the translation for the target language is missing.\n\t\t *\n\t\t *\t\tt( { string: 'Add a space', plural: 'Add %0 spaces' }, 1 ); // 'Add a space' for the English language.\n\t\t *\t\tt( { string: 'Add a space', plural: 'Add %0 spaces' }, 5 ); // 'Add 5 spaces' for the English language.\n\t\t *\t\tt( { string: '%1 a space', plural: '%1 %0 spaces' }, [ 2, 'Add' ] ); // 'Add 2 spaces' for the English language.\n\t\t *\n\t\t * \t\tt( { string: 'Add a space', plural: 'Add %0 spaces' }, 1 ); // 'Dodaj spację' for the Polish language.\n\t\t *\t\tt( { string: 'Add a space', plural: 'Add %0 spaces' }, 5 ); // 'Dodaj 5 spacji' for the Polish language.\n\t\t *\t\tt( { string: '%1 a space', plural: '%1 %0 spaces' }, [ 2, 'Add' ] ); // 'Dodaj 2 spacje' for the Polish language.\n\t\t *\n\t\t *  * The message should provide an ID using the `id` property when the message strings are not unique and their\n\t\t * translations should be different.\n\t\t *\n\t\t *\t\ttranslate( 'en', { string: 'image', id: 'ADD_IMAGE' } );\n\t\t *\t\ttranslate( 'en', { string: 'image', id: 'AN_IMAGE' } );\n\t\t *\n\t\t * @method #t\n\t\t * @param {String|module:utils/translation-service~Message} message A message that will be localized (translated).\n\t\t * @param {String|Number|Array.<String|Number>} [values] A value or an array of values that will fill message placeholders.\n\t\t * For messages supporting plural forms the first value will determine the plural form.\n\t\t * @returns {String}\n\t\t */\n\t\tthis.t = ( message, values ) => this._t( message, values );\n\t}\n\n\t/**\n\t * The editor UI language code in the [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format.\n\t *\n\t * **Note**: This property was deprecated. Please use {@link #uiLanguage} and {@link #contentLanguage}\n\t * properties instead.\n\t *\n\t * @deprecated\n\t * @member {String}\n\t */\n\tget language() {\n\t\t/**\n\t\t * The {@link module:utils/locale~Locale#language `Locale#language`} property was deprecated and will\n\t\t * be removed in the near future. Please use the {@link #uiLanguage} and {@link #contentLanguage} properties instead.\n\t\t *\n\t\t * @error locale-deprecated-language-property\n\t\t */\n\t\tconsole.warn(\n\t\t\t'locale-deprecated-language-property: ' +\n\t\t\t'The Locale#language property has been deprecated and will be removed in the near future. ' +\n\t\t\t'Please use #uiLanguage and #contentLanguage properties instead.' );\n\n\t\treturn this.uiLanguage;\n\t}\n\n\t/**\n\t * An unbound version of the {@link #t} method.\n\t *\n\t * @private\n\t * @param {String|module:utils/translation-service~Message} message\n\t * @param {Number|String|Array.<Number|String>} [values]\n\t * @returns {String}\n\t */\n\t_t( message, values = [] ) {\n\t\tvalues = toArray( values );\n\n\t\tif ( typeof message === 'string' ) {\n\t\t\tmessage = { string: message };\n\t\t}\n\n\t\tconst hasPluralForm = !!message.plural;\n\t\tconst quantity = hasPluralForm ? values[ 0 ] : 1;\n\n\t\tconst translatedString = _translate( this.uiLanguage, message, quantity );\n\n\t\treturn interpolateString( translatedString, values );\n\t}\n}\n\n// Fills the `%0, %1, ...` string placeholders with values.\nfunction interpolateString( string, values ) {\n\treturn string.replace( /%(\\d+)/g, ( match, index ) => {\n\t\treturn ( index < values.length ) ? values[ index ] : match;\n\t} );\n}\n\n// Helps determine whether a language is LTR or RTL.\n//\n// @param {String} language The ISO 639-1 language code.\n// @returns {String} 'ltr' or 'rtl\nfunction getLanguageDirection( languageCode ) {\n\treturn RTL_LANGUAGE_CODES.includes( languageCode ) ? 'rtl' : 'ltr';\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/context\n */\n\nimport Config from '@ckeditor/ckeditor5-utils/src/config';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport PluginCollection from './plugincollection';\nimport Locale from '@ckeditor/ckeditor5-utils/src/locale';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Provides a common, higher-level environment for solutions that use multiple {@link module:core/editor/editor~Editor editors}\n * or plugins that work outside the editor. Use it instead of {@link module:core/editor/editor~Editor.create `Editor.create()`}\n * in advanced application integrations.\n *\n * All configuration options passed to a context will be used as default options for editor instances initialized in that context.\n *\n * {@link module:core/contextplugin~ContextPlugin Context plugins} passed to a context instance will be shared among all\n * editor instances initialized in this context. These will be the same plugin instances for all the editors.\n *\n * **Note:** The context can only be initialized with {@link module:core/contextplugin~ContextPlugin context plugins}\n * (e.g. [comments](https://ckeditor.com/collaboration/comments/)). Regular {@link module:core/plugin~Plugin plugins} require an\n * editor instance to work and cannot be added to a context.\n *\n * **Note:** You can add a context plugin to an editor instance, though.\n *\n * If you are using multiple editor instances on one page and use any context plugins, create a context to share the configuration and\n * plugins among these editors. Some plugins will use the information about all existing editors to better integrate between them.\n *\n * If you are using plugins that do not require an editor to work (e.g. [comments](https://ckeditor.com/collaboration/comments/)),\n * enable and configure them using the context.\n *\n * If you are using only a single editor on each page, use {@link module:core/editor/editor~Editor.create `Editor.create()`} instead.\n * In such case, a context instance will be created by the editor instance in a transparent way.\n *\n * See {@link module:core/context~Context.create `Context.create()`} for usage examples.\n */\nexport default class Context {\n\t/**\n\t * Creates a context instance with a given configuration.\n\t *\n\t * Usually not to be used directly. See the static {@link module:core/context~Context.create `create()`} method.\n\t *\n\t * @param {Object} [config={}] The context configuration.\n\t */\n\tconstructor( config ) {\n\t\t/**\n\t\t * Stores all the configurations specific to this context instance.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/config~Config}\n\t\t */\n\t\tthis.config = new Config( config, this.constructor.defaultConfig );\n\n\t\tconst availablePlugins = this.constructor.builtinPlugins;\n\n\t\tthis.config.define( 'plugins', availablePlugins );\n\n\t\t/**\n\t\t * The plugins loaded and in use by this context instance.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:core/plugincollection~PluginCollection}\n\t\t */\n\t\tthis.plugins = new PluginCollection( this, availablePlugins );\n\n\t\tconst languageConfig = this.config.get( 'language' ) || {};\n\n\t\t/**\n\t\t * @readonly\n\t\t * @type {module:utils/locale~Locale}\n\t\t */\n\t\tthis.locale = new Locale( {\n\t\t\tuiLanguage: typeof languageConfig === 'string' ? languageConfig : languageConfig.ui,\n\t\t\tcontentLanguage: this.config.get( 'language.content' )\n\t\t} );\n\n\t\t/**\n\t\t * Shorthand for {@link module:utils/locale~Locale#t}.\n\t\t *\n\t\t * @see module:utils/locale~Locale#t\n\t\t * @method #t\n\t\t */\n\t\tthis.t = this.locale.t;\n\n\t\t/**\n\t\t * A list of editors that this context instance is injected to.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/collection~Collection}\n\t\t */\n\t\tthis.editors = new Collection();\n\n\t\t/**\n\t\t * Reference to the editor which created the context.\n\t\t * Null when the context was created outside of the editor.\n\t\t *\n\t\t * It is used to destroy the context when removing the editor that has created the context.\n\t\t *\n\t\t * @private\n\t\t * @type {module:core/editor/editor~Editor|null}\n\t\t */\n\t\tthis._contextOwner = null;\n\t}\n\n\t/**\n\t * Loads and initializes plugins specified in the configuration.\n\t *\n\t * @returns {Promise.<module:core/plugin~LoadedPlugins>} A promise which resolves\n\t * once the initialization is completed, providing an array of loaded plugins.\n\t */\n\tinitPlugins() {\n\t\tconst plugins = this.config.get( 'plugins' ) || [];\n\n\t\tfor ( const Plugin of plugins ) {\n\t\t\tif ( typeof Plugin != 'function' ) {\n\t\t\t\t/**\n\t\t\t\t * Only a constructor function is allowed as a {@link module:core/contextplugin~ContextPlugin context plugin}.\n\t\t\t\t *\n\t\t\t\t * @error context-initplugins-constructor-only\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'context-initplugins-constructor-only',\n\t\t\t\t\tnull,\n\t\t\t\t\t{ Plugin }\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tif ( Plugin.isContextPlugin !== true ) {\n\t\t\t\t/**\n\t\t\t\t * Only a plugin marked as a {@link module:core/contextplugin~ContextPlugin.isContextPlugin context plugin}\n\t\t\t\t * is allowed to be used with a context.\n\t\t\t\t *\n\t\t\t\t * @error context-initplugins-invalid-plugin\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'context-initplugins-invalid-plugin',\n\t\t\t\t\tnull,\n\t\t\t\t\t{ Plugin }\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\n\t\treturn this.plugins.init( plugins );\n\t}\n\n\t/**\n\t * Destroys the context instance and all editors used with the context,\n\t * releasing all resources used by the context.\n\t *\n\t * @returns {Promise} A promise that resolves once the context instance is fully destroyed.\n\t */\n\tdestroy() {\n\t\treturn Promise.all( Array.from( this.editors, editor => editor.destroy() ) )\n\t\t\t.then( () => this.plugins.destroy() );\n\t}\n\n\t/**\n\t * Adds a reference to the editor which is used with this context.\n\t *\n\t * When the given editor has created the context, the reference to this editor will be stored\n\t * as a {@link ~Context#_contextOwner}.\n\t *\n\t * This method should only be used by the editor.\n\t *\n\t * @protected\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {Boolean} isContextOwner Stores the given editor as a context owner.\n\t */\n\t_addEditor( editor, isContextOwner ) {\n\t\tif ( this._contextOwner ) {\n\t\t\t/**\n\t\t\t * Cannot add multiple editors to the context which is created by the editor.\n\t\t\t *\n\t\t\t * @error context-addeditor-private-context\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'context-addeditor-private-context' );\n\t\t}\n\n\t\tthis.editors.add( editor );\n\n\t\tif ( isContextOwner ) {\n\t\t\tthis._contextOwner = editor;\n\t\t}\n\t}\n\n\t/**\n\t * Removes a reference to the editor which was used with this context.\n\t * When the context was created by the given editor, the context will be destroyed.\n\t *\n\t * This method should only be used by the editor.\n\t *\n\t * @protected\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @return {Promise} A promise that resolves once the editor is removed from the context or when the context was destroyed.\n\t */\n\t_removeEditor( editor ) {\n\t\tif ( this.editors.has( editor ) ) {\n\t\t\tthis.editors.remove( editor );\n\t\t}\n\n\t\tif ( this._contextOwner === editor ) {\n\t\t\treturn this.destroy();\n\t\t}\n\n\t\treturn Promise.resolve();\n\t}\n\n\t/**\n\t * Returns the context configuration which will be copied to the editors created using this context.\n\t *\n\t * The configuration returned by this method has the plugins configuration removed &mdash; plugins are shared with all editors\n\t * through another mechanism.\n\t *\n\t * This method should only be used by the editor.\n\t *\n\t * @protected\n\t * @returns {Object} Configuration as a plain object.\n\t */\n\t_getEditorConfig() {\n\t\tconst result = {};\n\n\t\tfor ( const name of this.config.names() ) {\n\t\t\tif ( ![ 'plugins', 'removePlugins', 'extraPlugins' ].includes( name ) ) {\n\t\t\t\tresult[ name ] = this.config.get( name );\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Creates and initializes a new context instance.\n\t *\n\t *\t\tconst commonConfig = { ... }; // Configuration for all the plugins and editors.\n\t *\t\tconst editorPlugins = [ ... ]; // Regular plugins here.\n\t *\n\t *\t\tContext\n\t *\t\t\t.create( {\n\t *\t\t\t\t// Only context plugins here.\n\t *\t\t\t\tplugins: [ ... ],\n\t *\n\t *\t\t\t\t// Configure the language for all the editors (it cannot be overwritten).\n\t *\t\t\t\tlanguage: { ... },\n\t *\n\t *\t\t\t\t// Configuration for context plugins.\n\t *\t\t\t\tcomments: { ... },\n\t *\t\t\t\t...\n\t *\n\t *\t\t\t\t// Default configuration for editor plugins.\n\t *\t\t\t\ttoolbar: { ... },\n\t *\t\t\t\timage: { ... },\n\t *\t\t\t\t...\n\t *\t\t\t} )\n\t *\t\t\t.then( context => {\n\t *\t\t\t\tconst promises = [];\n\t *\n\t *\t\t\t\tpromises.push( ClassicEditor.create(\n\t *\t\t\t\t\tdocument.getElementById( 'editor1' ),\n\t *\t\t\t\t\t{\n\t *\t\t\t\t\t\teditorPlugins,\n\t *\t\t\t\t\t\tcontext\n\t *\t\t\t\t\t}\n\t *\t\t\t\t) );\n\t *\n\t *\t\t\t\tpromises.push( ClassicEditor.create(\n\t *\t\t\t\t\tdocument.getElementById( 'editor2' ),\n\t *\t\t\t\t\t{\n\t *\t\t\t\t\t\teditorPlugins,\n\t *\t\t\t\t\t\tcontext,\n\t *\t\t\t\t\t\ttoolbar: { ... } // You can overwrite the configuration of the context.\n\t *\t\t\t\t\t}\n\t *\t\t\t\t) );\n\t *\n\t *\t\t\t\treturn Promise.all( promises );\n\t *\t\t\t} );\n\t *\n\t * @param {Object} [config] The context configuration.\n\t * @returns {Promise} A promise resolved once the context is ready. The promise resolves with the created context instance.\n\t */\n\tstatic create( config ) {\n\t\treturn new Promise( resolve => {\n\t\t\tconst context = new this( config );\n\n\t\t\tresolve( context.initPlugins().then( () => context ) );\n\t\t} );\n\t}\n}\n\n/**\n * An array of plugins built into the `Context` class.\n *\n * It is used in CKEditor 5 builds featuring `Context` to provide a list of context plugins which are later automatically initialized\n * during the context initialization.\n *\n * They will be automatically initialized by `Context` unless `config.plugins` is passed.\n *\n *\t\t// Build some context plugins into the Context class first.\n *\t\tContext.builtinPlugins = [ FooPlugin, BarPlugin ];\n *\n *\t\t// Normally, you need to define config.plugins, but since Context.builtinPlugins was\n *\t\t// defined, now you can call create() without any configuration.\n *\t\tContext\n *\t\t\t.create()\n *\t\t\t.then( context => {\n *\t\t\t\tcontext.plugins.get( FooPlugin ); // -> An instance of the Foo plugin.\n *\t\t\t\tcontext.plugins.get( BarPlugin ); // -> An instance of the Bar plugin.\n *\t\t\t} );\n *\n * See also {@link module:core/context~Context.defaultConfig `Context.defaultConfig`}\n * and {@link module:core/editor/editor~Editor.builtinPlugins `Editor.builtinPlugins`}.\n *\n * @static\n * @member {Array.<Function>} module:core/context~Context.builtinPlugins\n */\n\n/**\n * The default configuration which is built into the `Context` class.\n *\n * It is used in CKEditor 5 builds featuring `Context` to provide the default configuration options which are later used during the\n * context initialization.\n *\n *\t\tContext.defaultConfig = {\n *\t\t\tfoo: 1,\n *\t\t\tbar: 2\n *\t\t};\n *\n *\t\tContext\n *\t\t\t.create()\n *\t\t\t.then( context => {\n *\t\t\t\tcontext.config.get( 'foo' ); // -> 1\n *\t\t\t\tcontext.config.get( 'bar' ); // -> 2\n *\t\t\t} );\n *\n *\t\t// The default options can be overridden by the configuration passed to create().\n *\t\tContext\n *\t\t\t.create( { bar: 3 } )\n *\t\t\t.then( context => {\n *\t\t\t\tcontext.config.get( 'foo' ); // -> 1\n *\t\t\t\tcontext.config.get( 'bar' ); // -> 3\n *\t\t\t} );\n *\n * See also {@link module:core/context~Context.builtinPlugins `Context.builtinPlugins`}\n * and {@link module:core/editor/editor~Editor.defaultConfig `Editor.defaultConfig`}.\n *\n * @static\n * @member {Object} module:core/context~Context.defaultConfig\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/comparearrays\n */\n\n/**\n * Compares how given arrays relate to each other. One array can be: same as another array, prefix of another array\n * or completely different. If arrays are different, first index at which they differ is returned. Otherwise,\n * a flag specifying the relation is returned. Flags are negative numbers, so whenever a number >= 0 is returned\n * it means that arrays differ.\n *\n *\t\tcompareArrays( [ 0, 2 ], [ 0, 2 ] );\t\t// 'same'\n *\t\tcompareArrays( [ 0, 2 ], [ 0, 2, 1 ] );\t\t// 'prefix'\n *\t\tcompareArrays( [ 0, 2 ], [ 0 ] );\t\t\t// 'extension'\n *\t\tcompareArrays( [ 0, 2 ], [ 1, 2 ] );\t\t// 0\n *\t\tcompareArrays( [ 0, 2 ], [ 0, 1 ] );\t\t// 1\n *\n * @param {Array} a Array that is compared.\n * @param {Array} b Array to compare with.\n * @returns {module:utils/comparearrays~ArrayRelation} How array `a` is related to `b`.\n */\nexport default function compareArrays( a, b ) {\n\tconst minLen = Math.min( a.length, b.length );\n\n\tfor ( let i = 0; i < minLen; i++ ) {\n\t\tif ( a[ i ] != b[ i ] ) {\n\t\t\t// The arrays are different.\n\t\t\treturn i;\n\t\t}\n\t}\n\n\t// Both arrays were same at all points.\n\tif ( a.length == b.length ) {\n\t\t// If their length is also same, they are the same.\n\t\treturn 'same';\n\t} else if ( a.length < b.length ) {\n\t\t// Compared array is shorter so it is a prefix of the other array.\n\t\treturn 'prefix';\n\t} else {\n\t\t// Compared array is longer so it is an extension of the other array.\n\t\treturn 'extension';\n\t}\n}\n\n/**\n * @typedef {'extension'|'same'|'prefix'} module:utils/comparearrays~ArrayRelation\n */\n","import baseClone from './_baseClone.js';\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_SYMBOLS_FLAG = 4;\n\n/**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\nfunction clone(value) {\n  return baseClone(value, CLONE_SYMBOLS_FLAG);\n}\n\nexport default clone;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/node\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\nimport { clone } from 'lodash-es';\n\n// To check if component is loaded more than once.\nimport '@ckeditor/ckeditor5-utils/src/version';\n\n/**\n * Abstract view node class.\n *\n * This is an abstract class. Its constructor should not be used directly.\n * Use the {@link module:engine/view/downcastwriter~DowncastWriter} or {@link module:engine/view/upcastwriter~UpcastWriter}\n * to create new instances of view nodes.\n *\n * @abstract\n */\nexport default class Node {\n\t/**\n\t * Creates a tree view node.\n\t *\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this node belongs.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * The document instance to which this node belongs.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\n\t\t/**\n\t\t * Parent element. Null by default. Set by {@link module:engine/view/element~Element#_insertChild}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment|null}\n\t\t */\n\t\tthis.parent = null;\n\t}\n\n\t/**\n\t * Index of the node in the parent element or null if the node has no parent.\n\t *\n\t * Accessing this property throws an error if this node's parent element does not contain it.\n\t * This means that view tree got broken.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget index() {\n\t\tlet pos;\n\n\t\tif ( !this.parent ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// No parent or child doesn't exist in parent's children.\n\t\tif ( ( pos = this.parent.getChildIndex( this ) ) == -1 ) {\n\t\t\t/**\n\t\t\t * The node's parent does not contain this node. It means that the document tree is corrupted.\n\t\t\t *\n\t\t\t * @error view-node-not-found-in-parent\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-node-not-found-in-parent', this );\n\t\t}\n\n\t\treturn pos;\n\t}\n\n\t/**\n\t * Node's next sibling, or `null` if it is the last child.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|null}\n\t */\n\tget nextSibling() {\n\t\tconst index = this.index;\n\n\t\treturn ( index !== null && this.parent.getChild( index + 1 ) ) || null;\n\t}\n\n\t/**\n\t * Node's previous sibling, or `null` if it is the first child.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|null}\n\t */\n\tget previousSibling() {\n\t\tconst index = this.index;\n\n\t\treturn ( index !== null && this.parent.getChild( index - 1 ) ) || null;\n\t}\n\n\t/**\n\t * Top-most ancestor of the node. If the node has no parent it is the root itself.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\tlet root = this; // eslint-disable-line consistent-this\n\n\t\twhile ( root.parent ) {\n\t\t\troot = root.parent;\n\t\t}\n\n\t\treturn root;\n\t}\n\n\t/**\n\t * Returns true if the node is in a tree rooted in the document (is a descendant of one of its roots).\n\t *\n\t * @returns {Boolean}\n\t */\n\tisAttached() {\n\t\treturn this.root.is( 'rootElement' );\n\t}\n\n\t/**\n\t * Gets a path to the node. The path is an array containing indices of consecutive ancestors of this node,\n\t * beginning from {@link module:engine/view/node~Node#root root}, down to this node's index.\n\t *\n\t *\t\tconst abc = downcastWriter.createText( 'abc' );\n\t *\t\tconst foo = downcastWriter.createText( 'foo' );\n\t *\t\tconst h1 = downcastWriter.createElement( 'h1', null, downcastWriter.createText( 'header' ) );\n\t *\t\tconst p = downcastWriter.createElement( 'p', null, [ abc, foo ] );\n\t *\t\tconst div = downcastWriter.createElement( 'div', null, [ h1, p ] );\n\t *\t\tfoo.getPath(); // Returns [ 1, 3 ]. `foo` is in `p` which is in `div`. `p` starts at offset 1, while `foo` at 3.\n\t *\t\th1.getPath(); // Returns [ 0 ].\n\t *\t\tdiv.getPath(); // Returns [].\n\t *\n\t * @returns {Array.<Number>} The path.\n\t */\n\tgetPath() {\n\t\tconst path = [];\n\t\tlet node = this; // eslint-disable-line consistent-this\n\n\t\twhile ( node.parent ) {\n\t\t\tpath.unshift( node.index );\n\t\t\tnode = node.parent;\n\t\t}\n\n\t\treturn path;\n\t}\n\n\t/**\n\t * Returns ancestors array of this node.\n\t *\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` this node will be also included in parent's array.\n\t * @param {Boolean} [options.parentFirst=false] When set to `true`, array will be sorted from node's parent to root element,\n\t * otherwise root element will be the first item in the array.\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors( options = { includeSelf: false, parentFirst: false } ) {\n\t\tconst ancestors = [];\n\t\tlet parent = options.includeSelf ? this : this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tancestors[ options.parentFirst ? 'push' : 'unshift' ]( parent );\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn ancestors;\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/view/element~Element} or {@link module:engine/view/documentfragment~DocumentFragment}\n\t * which is a common ancestor of both nodes.\n\t *\n\t * @param {module:engine/view/node~Node} node The second node.\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` both nodes will be considered \"ancestors\" too.\n\t * Which means that if e.g. node A is inside B, then their common ancestor will be B.\n\t * @returns {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor( node, options = {} ) {\n\t\tconst ancestorsA = this.getAncestors( options );\n\t\tconst ancestorsB = node.getAncestors( options );\n\n\t\tlet i = 0;\n\n\t\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n\t}\n\n\t/**\n\t * Returns whether this node is before given node. `false` is returned if nodes are in different trees (for example,\n\t * in different {@link module:engine/view/documentfragment~DocumentFragment}s).\n\t *\n\t * @param {module:engine/view/node~Node} node Node to compare with.\n\t * @returns {Boolean}\n\t */\n\tisBefore( node ) {\n\t\t// Given node is not before this node if they are same.\n\t\tif ( this == node ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Return `false` if it is impossible to compare nodes.\n\t\tif ( this.root !== node.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst thisPath = this.getPath();\n\t\tconst nodePath = node.getPath();\n\n\t\tconst result = compareArrays( thisPath, nodePath );\n\n\t\tswitch ( result ) {\n\t\t\tcase 'prefix':\n\t\t\t\treturn true;\n\n\t\t\tcase 'extension':\n\t\t\t\treturn false;\n\n\t\t\tdefault:\n\t\t\t\treturn thisPath[ result ] < nodePath[ result ];\n\t\t}\n\t}\n\n\t/**\n\t * Returns whether this node is after given node. `false` is returned if nodes are in different trees (for example,\n\t * in different {@link module:engine/view/documentfragment~DocumentFragment}s).\n\t *\n\t * @param {module:engine/view/node~Node} node Node to compare with.\n\t * @returns {Boolean}\n\t */\n\tisAfter( node ) {\n\t\t// Given node is not before this node if they are same.\n\t\tif ( this == node ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Return `false` if it is impossible to compare nodes.\n\t\tif ( this.root !== node.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// In other cases, just check if the `node` is before, and return the opposite.\n\t\treturn !this.isBefore( node );\n\t}\n\n\t/**\n\t * Removes node from parent.\n\t *\n\t * @protected\n\t */\n\t_remove() {\n\t\tthis.parent._removeChildren( this.index );\n\t}\n\n\t/**\n\t * @protected\n\t * @param {module:engine/view/document~ChangeType} type Type of the change.\n\t * @param {module:engine/view/node~Node} node Changed node.\n\t * @fires change\n\t */\n\t_fireChange( type, node ) {\n\t\tthis.fire( 'change:' + type, node );\n\n\t\tif ( this.parent ) {\n\t\t\tthis.parent._fireChange( type, node );\n\t\t}\n\t}\n\n\t/**\n\t * Custom toJSON method to solve child-parent circular dependencies.\n\t *\n\t * @returns {Object} Clone of this object with the parent property removed.\n\t */\n\ttoJSON() {\n\t\tconst json = clone( this );\n\n\t\t// Due to circular references we need to remove parent reference.\n\t\tdelete json.parent;\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t * This method is useful when processing view objects that are of unknown type. For example, a function\n\t * may return a {@link module:engine/view/documentfragment~DocumentFragment} or a {@link module:engine/view/node~Node}\n\t * that can be either a text node or an element. This method can be used to check what kind of object is returned.\n\t *\n\t *\t\tsomeObject.is( 'element' ); // -> true if this is an element\n\t *\t\tsomeObject.is( 'node' ); // -> true if this is a node (a text node or an element)\n\t *\t\tsomeObject.is( 'documentFragment' ); // -> true if this is a document fragment\n\t *\n\t * Since this method is also available on a range of model objects, you can prefix the type of the object with\n\t * `model:` or `view:` to check, for example, if this is the model's or view's element:\n\t *\n\t *\t\tviewElement.is( 'view:element' ); // -> true\n\t *\t\tviewElement.is( 'model:element' ); // -> false\n\t *\n\t * By using this method it is also possible to check a name of an element:\n\t *\n\t *\t\timgElement.is( 'element', 'img' ); // -> true\n\t *\t\timgElement.is( 'view:element', 'img' ); // -> same as above, but more precise\n\t *\n\t * The list of view objects which implement the `is()` method:\n\t *\n\t * * {@link module:engine/view/attributeelement~AttributeElement#is `AttributeElement#is()`}\n\t * * {@link module:engine/view/containerelement~ContainerElement#is `ContainerElement#is()`}\n\t * * {@link module:engine/view/documentfragment~DocumentFragment#is `DocumentFragment#is()`}\n\t * * {@link module:engine/view/documentselection~DocumentSelection#is `DocumentSelection#is()`}\n\t * * {@link module:engine/view/editableelement~EditableElement#is `EditableElement#is()`}\n\t * * {@link module:engine/view/element~Element#is `Element#is()`}\n\t * * {@link module:engine/view/emptyelement~EmptyElement#is `EmptyElement#is()`}\n\t * * {@link module:engine/view/node~Node#is `Node#is()`}\n\t * * {@link module:engine/view/position~Position#is `Position#is()`}\n\t * * {@link module:engine/view/range~Range#is `Range#is()`}\n\t * * {@link module:engine/view/rooteditableelement~RootEditableElement#is `RootEditableElement#is()`}\n\t * * {@link module:engine/view/selection~Selection#is `Selection#is()`}\n\t * * {@link module:engine/view/text~Text#is `Text#is()`}\n\t * * {@link module:engine/view/textproxy~TextProxy#is `TextProxy#is()`}\n\t * * {@link module:engine/view/uielement~UIElement#is `UIElement#is()`}\n\t *\n\t * @method #is\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'node' || type === 'view:node';\n\t}\n\n\t/**\n\t * Clones this node.\n\t *\n\t * @protected\n\t * @method #_clone\n\t * @returns {module:engine/view/node~Node} Clone of this node.\n\t */\n\n\t/**\n\t * Checks if provided node is similar to this node.\n\t *\n\t * @method #isSimilar\n\t * @returns {Boolean} True if nodes are similar.\n\t */\n}\n\n/**\n * Fired when list of {@link module:engine/view/element~Element elements} children changes.\n *\n * Change event is bubbled – it is fired on all ancestors.\n *\n * @event change:children\n * @param {module:engine/view/node~Node} changedNode\n */\n\n/**\n * Fired when list of {@link module:engine/view/element~Element elements} attributes changes.\n *\n * Change event is bubbled – it is fired on all ancestors.\n *\n * @event change:attributes\n * @param {module:engine/view/node~Node} changedNode\n */\n\n/**\n * Fired when {@link module:engine/view/text~Text text nodes} data changes.\n *\n * Change event is bubbled – it is fired on all ancestors.\n *\n * @event change:text\n * @param {module:engine/view/node~Node} changedNode\n */\n\n/**\n * @event change\n */\n\nmix( Node, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/text\n */\n\nimport Node from './node';\n\n/**\n * Tree view text node.\n *\n * The constructor of this class should not be used directly. To create a new text node instance\n * use the {@link module:engine/view/downcastwriter~DowncastWriter#createText `DowncastWriter#createText()`}\n * method when working on data downcasted from the model or the\n * {@link module:engine/view/upcastwriter~UpcastWriter#createText `UpcastWriter#createText()`}\n * method when working on non-semantic views.\n *\n * @extends module:engine/view/node~Node\n */\nexport default class Text extends Node {\n\t/**\n\t * Creates a tree view text node.\n\t *\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this text node belongs.\n\t * @param {String} data The text's data.\n\t */\n\tconstructor( document, data ) {\n\t\tsuper( document );\n\n\t\t/**\n\t\t * The text content.\n\t\t *\n\t\t * Setting the data fires the {@link module:engine/view/node~Node#event:change:text change event}.\n\t\t *\n\t\t * @protected\n\t\t * @member {String} module:engine/view/text~Text#_textData\n\t\t */\n\t\tthis._textData = data;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\ttext.is( '$text' ); // -> true\n\t *\t\ttext.is( 'node' ); // -> true\n\t *\t\ttext.is( 'view:$text' ); // -> true\n\t *\t\ttext.is( 'view:node' ); // -> true\n\t *\n\t *\t\ttext.is( 'model:$text' ); // -> false\n\t *\t\ttext.is( 'element' ); // -> false\n\t *\t\ttext.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * **Note:** Until version 20.0.0 this method wasn't accepting `'$text'` type. The legacy `'text'` type is still\n\t * accepted for backward compatibility.\n\t *\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === '$text' || type === 'view:$text' ||\n\t\t\t// This are legacy values kept for backward compatibility.\n\t\t\ttype === 'text' || type === 'view:text' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype === 'node' || type === 'view:node';\n\t}\n\n\t/**\n\t * The text content.\n\t *\n\t * @readonly\n\t * @type {String}\n\t */\n\tget data() {\n\t\treturn this._textData;\n\t}\n\n\t/**\n\t * The `_data` property is controlled by a getter and a setter.\n\t *\n\t * The getter is required when using the addition assignment operator on protected property:\n\t *\n\t *\t\tconst foo = downcastWriter.createText( 'foo' );\n\t *\t\tconst bar = downcastWriter.createText( 'bar' );\n\t *\n\t *\t\tfoo._data += bar.data;   // executes: `foo._data = foo._data + bar.data`\n\t *\t\tconsole.log( foo.data ); // prints: 'foobar'\n\t *\n\t * If the protected getter didn't exist, `foo._data` will return `undefined` and result of the merge will be invalid.\n\t *\n\t * The setter sets data and fires the {@link module:engine/view/node~Node#event:change:text change event}.\n\t *\n\t * @protected\n\t * @type {String}\n\t */\n\tget _data() {\n\t\treturn this.data;\n\t}\n\n\tset _data( data ) {\n\t\tthis._fireChange( 'text', this );\n\n\t\tthis._textData = data;\n\t}\n\n\t/**\n\t * Checks if this text node is similar to other text node.\n\t * Both nodes should have the same data to be considered as similar.\n\t *\n\t * @param {module:engine/view/text~Text} otherNode Node to check if it is same as this node.\n\t * @returns {Boolean}\n\t */\n\tisSimilar( otherNode ) {\n\t\tif ( !( otherNode instanceof Text ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn this === otherNode || this.data === otherNode.data;\n\t}\n\n\t/**\n\t * Clones this node.\n\t *\n\t * @protected\n\t * @returns {module:engine/view/text~Text} Text node that is a clone of this node.\n\t */\n\t_clone() {\n\t\treturn new Text( this.document, this.data );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `#${ this.data }`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ViewText: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ViewText: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/textproxy\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * TextProxy is a wrapper for substring of {@link module:engine/view/text~Text}. Instance of this class is created by\n * {@link module:engine/view/treewalker~TreeWalker} when only a part of {@link module:engine/view/text~Text} needs to be returned.\n *\n * `TextProxy` has an API similar to {@link module:engine/view/text~Text Text} and allows to do most of the common tasks performed\n * on view nodes.\n *\n * **Note:** Some `TextProxy` instances may represent whole text node, not just a part of it.\n * See {@link module:engine/view/textproxy~TextProxy#isPartial}.\n *\n * **Note:** `TextProxy` is a readonly interface.\n *\n * **Note:** `TextProxy` instances are created on the fly basing on the current state of parent {@link module:engine/view/text~Text}.\n * Because of this it is highly unrecommended to store references to `TextProxy instances because they might get\n * invalidated due to operations on Document. Also TextProxy is not a {@link module:engine/view/node~Node} so it can not be\n * inserted as a child of {@link module:engine/view/element~Element}.\n *\n * `TextProxy` instances are created by {@link module:engine/view/treewalker~TreeWalker view tree walker}. You should not need to create\n * an instance of this class by your own.\n */\nexport default class TextProxy {\n\t/**\n\t * Creates a text proxy.\n\t *\n\t * @protected\n\t * @param {module:engine/view/text~Text} textNode Text node which part is represented by this text proxy.\n\t * @param {Number} offsetInText Offset in {@link module:engine/view/textproxy~TextProxy#textNode text node}\n\t * from which the text proxy starts.\n\t * @param {Number} length Text proxy length, that is how many text node's characters, starting from `offsetInText` it represents.\n\t * @constructor\n\t */\n\tconstructor( textNode, offsetInText, length ) {\n\t\t/**\n\t\t * Reference to the {@link module:engine/view/text~Text} element which TextProxy is a substring.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/text~Text} module:engine/view/textproxy~TextProxy#textNode\n\t\t */\n\t\tthis.textNode = textNode;\n\n\t\tif ( offsetInText < 0 || offsetInText > textNode.data.length ) {\n\t\t\t/**\n\t\t\t * Given offsetInText value is incorrect.\n\t\t\t *\n\t\t\t * @error view-textproxy-wrong-offsetintext\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-textproxy-wrong-offsetintext', this );\n\t\t}\n\n\t\tif ( length < 0 || offsetInText + length > textNode.data.length ) {\n\t\t\t/**\n\t\t\t * Given length value is incorrect.\n\t\t\t *\n\t\t\t * @error view-textproxy-wrong-length\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-textproxy-wrong-length', this );\n\t\t}\n\n\t\t/**\n\t\t * Text data represented by this text proxy.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} module:engine/view/textproxy~TextProxy#data\n\t\t */\n\t\tthis.data = textNode.data.substring( offsetInText, offsetInText + length );\n\n\t\t/**\n\t\t * Offset in the `textNode` where this `TextProxy` instance starts.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} module:engine/view/textproxy~TextProxy#offsetInText\n\t\t */\n\t\tthis.offsetInText = offsetInText;\n\t}\n\n\t/**\n\t * Offset size of this node.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget offsetSize() {\n\t\treturn this.data.length;\n\t}\n\n\t/**\n\t * Flag indicating whether `TextProxy` instance covers only part of the original {@link module:engine/view/text~Text text node}\n\t * (`true`) or the whole text node (`false`).\n\t *\n\t * This is `false` when text proxy starts at the very beginning of {@link module:engine/view/textproxy~TextProxy#textNode textNode}\n\t * ({@link module:engine/view/textproxy~TextProxy#offsetInText offsetInText} equals `0`) and text proxy sizes is equal to\n\t * text node size.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isPartial() {\n\t\treturn this.data.length !== this.textNode.data.length;\n\t}\n\n\t/**\n\t * Parent of this text proxy, which is same as parent of text node represented by this text proxy.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment|null}\n\t */\n\tget parent() {\n\t\treturn this.textNode.parent;\n\t}\n\n\t/**\n\t * Root of this text proxy, which is same as root of text node represented by this text proxy.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.textNode.root;\n\t}\n\n\t/**\n\t * {@link module:engine/view/document~Document View document} that owns this text proxy, or `null` if the text proxy is inside\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment}.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/document~Document|null}\n\t */\n\tget document() {\n\t\treturn this.textNode.document;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\ttextProxy.is( '$textProxy' ); // -> true\n\t *\t\ttextProxy.is( 'view:$textProxy' ); // -> true\n\t *\n\t *\t\ttextProxy.is( 'model:$textProxy' ); // -> false\n\t *\t\ttextProxy.is( 'element' ); // -> false\n\t *\t\ttextProxy.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * **Note:** Until version 20.0.0 this method wasn't accepting `'$textProxy'` type. The legacy `'textProxy'` type is still\n\t * accepted for backward compatibility.\n\t *\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === '$textProxy' || type === 'view:$textProxy' ||\n\t\t\t// This are legacy values kept for backward compatibility.\n\t\t\ttype === 'textProxy' || type === 'view:textProxy';\n\t}\n\n\t/**\n\t * Returns ancestors array of this text proxy.\n\t *\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` {#textNode} will be also included in parent's array.\n\t * @param {Boolean} [options.parentFirst=false] When set to `true`, array will be sorted from text proxy parent to\n\t * root element, otherwise root element will be the first item in the array.\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors( options = { includeSelf: false, parentFirst: false } ) {\n\t\tconst ancestors = [];\n\t\tlet parent = options.includeSelf ? this.textNode : this.parent;\n\n\t\twhile ( parent !== null ) {\n\t\t\tancestors[ options.parentFirst ? 'push' : 'unshift' ]( parent );\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn ancestors;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `#${ this.data }`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ViewTextProxy: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ViewTextProxy: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/tomap\n */\n\nimport objectToMap from './objecttomap';\nimport isIterable from './isiterable';\n\n/**\n * Transforms object or iterable to map. Iterable needs to be in the format acceptable by the `Map` constructor.\n *\n *\t\tmap = toMap( { 'foo': 1, 'bar': 2 } );\n *\t\tmap = toMap( [ [ 'foo', 1 ], [ 'bar', 2 ] ] );\n *\t\tmap = toMap( anotherMap );\n *\n * @param {Object|Iterable} data Object or iterable to transform.\n * @returns {Map} Map created from data.\n */\nexport default function toMap( data ) {\n\tif ( isIterable( data ) ) {\n\t\treturn new Map( data );\n\t} else {\n\t\treturn objectToMap( data );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/objecttomap\n */\n\n/**\n * Transforms object to map.\n *\n *\t\tconst map = objectToMap( { 'foo': 1, 'bar': 2 } );\n *\t\tmap.get( 'foo' ); // 1\n *\n * **Note**: For mixed data (`Object` or `Iterable`) there's a dedicated {@link module:utils/tomap~toMap} function.\n *\n * @param {Object} obj Object to transform.\n * @returns {Map} Map created from object.\n */\nexport default function objectToMap( obj ) {\n\tconst map = new Map();\n\n\tfor ( const key in obj ) {\n\t\tmap.set( key, obj[ key ] );\n\t}\n\n\treturn map;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/matcher\n */\n\n/**\n * View matcher class.\n * Instance of this class can be used to find {@link module:engine/view/element~Element elements} that match given pattern.\n */\nexport default class Matcher {\n\t/**\n\t * Creates new instance of Matcher.\n\t *\n\t * @param {String|RegExp|Object} [pattern] Match patterns. See {@link module:engine/view/matcher~Matcher#add add method} for\n\t * more information.\n\t */\n\tconstructor( ...pattern ) {\n\t\t/**\n\t\t * @private\n\t\t * @type {Array<String|RegExp|Object>}\n\t\t */\n\t\tthis._patterns = [];\n\n\t\tthis.add( ...pattern );\n\t}\n\n\t/**\n\t * Adds pattern or patterns to matcher instance.\n\t *\n\t *\t\t// String.\n\t *\t\tmatcher.add( 'div' );\n\t *\n\t *\t\t// Regular expression.\n\t *\t\tmatcher.add( /^\\w/ );\n\t *\n\t *\t\t// Single class.\n\t *\t\tmatcher.add( {\n\t *\t\t\tclasses: 'foobar'\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/view/matcher~MatcherPattern} for more examples.\n\t *\n\t * Multiple patterns can be added in one call:\n\t *\n\t * \t\tmatcher.add( 'div', { classes: 'foobar' } );\n\t *\n\t * @param {Object|String|RegExp|Function} pattern Object describing pattern details. If string or regular expression\n\t * is provided it will be used to match element's name. Pattern can be also provided in a form\n\t * of a function - then this function will be called with each {@link module:engine/view/element~Element element} as a parameter.\n\t * Function's return value will be stored under `match` key of the object returned from\n\t * {@link module:engine/view/matcher~Matcher#match match} or {@link module:engine/view/matcher~Matcher#matchAll matchAll} methods.\n\t * @param {String|RegExp} [pattern.name] Name or regular expression to match element's name.\n\t * @param {Object} [pattern.attributes] Object with key-value pairs representing attributes to match. Each object key\n\t * represents attribute name. Value under that key can be either:\n\t * * `true` - then attribute is just required (can be empty),\n\t * * a string - then attribute has to be equal, or\n\t * * a regular expression - then attribute has to match the expression.\n\t * @param {String|RegExp|Array} [pattern.classes] Class name or array of class names to match. Each name can be\n\t * provided in a form of string or regular expression.\n\t * @param {Object} [pattern.styles] Object with key-value pairs representing styles to match. Each object key\n\t * represents style name. Value under that key can be either a string or a regular expression and it will be used\n\t * to match style value.\n\t */\n\tadd( ...pattern ) {\n\t\tfor ( let item of pattern ) {\n\t\t\t// String or RegExp pattern is used as element's name.\n\t\t\tif ( typeof item == 'string' || item instanceof RegExp ) {\n\t\t\t\titem = { name: item };\n\t\t\t}\n\n\t\t\t// Single class name/RegExp can be provided.\n\t\t\tif ( item.classes && ( typeof item.classes == 'string' || item.classes instanceof RegExp ) ) {\n\t\t\t\titem.classes = [ item.classes ];\n\t\t\t}\n\n\t\t\tthis._patterns.push( item );\n\t\t}\n\t}\n\n\t/**\n\t * Matches elements for currently stored patterns. Returns match information about first found\n\t * {@link module:engine/view/element~Element element}, otherwise returns `null`.\n\t *\n\t * Example of returned object:\n\t *\n\t *\t\t{\n\t *\t\t\telement: <instance of found element>,\n\t *\t\t\tpattern: <pattern used to match found element>,\n\t *\t\t\tmatch: {\n\t *\t\t\t\tname: true,\n\t *\t\t\t\tattributes: [ 'title', 'href' ],\n\t *\t\t\t\tclasses: [ 'foo' ],\n\t *\t\t\t\tstyles: [ 'color', 'position' ]\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * @see module:engine/view/matcher~Matcher#add\n\t * @see module:engine/view/matcher~Matcher#matchAll\n\t * @param {...module:engine/view/element~Element} element View element to match against stored patterns.\n\t * @returns {Object|null} result\n\t * @returns {module:engine/view/element~Element} result.element Matched view element.\n\t * @returns {Object|String|RegExp|Function} result.pattern Pattern that was used to find matched element.\n\t * @returns {Object} result.match Object representing matched element parts.\n\t * @returns {Boolean} [result.match.name] True if name of the element was matched.\n\t * @returns {Array} [result.match.attributes] Array with matched attribute names.\n\t * @returns {Array} [result.match.classes] Array with matched class names.\n\t * @returns {Array} [result.match.styles] Array with matched style names.\n\t */\n\tmatch( ...element ) {\n\t\tfor ( const singleElement of element ) {\n\t\t\tfor ( const pattern of this._patterns ) {\n\t\t\t\tconst match = isElementMatching( singleElement, pattern );\n\n\t\t\t\tif ( match ) {\n\t\t\t\t\treturn {\n\t\t\t\t\t\telement: singleElement,\n\t\t\t\t\t\tpattern,\n\t\t\t\t\t\tmatch\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Matches elements for currently stored patterns. Returns array of match information with all found\n\t * {@link module:engine/view/element~Element elements}. If no element is found - returns `null`.\n\t *\n\t * @see module:engine/view/matcher~Matcher#add\n\t * @see module:engine/view/matcher~Matcher#match\n\t * @param {...module:engine/view/element~Element} element View element to match against stored patterns.\n\t * @returns {Array.<Object>|null} Array with match information about found elements or `null`. For more information\n\t * see {@link module:engine/view/matcher~Matcher#match match method} description.\n\t */\n\tmatchAll( ...element ) {\n\t\tconst results = [];\n\n\t\tfor ( const singleElement of element ) {\n\t\t\tfor ( const pattern of this._patterns ) {\n\t\t\t\tconst match = isElementMatching( singleElement, pattern );\n\n\t\t\t\tif ( match ) {\n\t\t\t\t\tresults.push( {\n\t\t\t\t\t\telement: singleElement,\n\t\t\t\t\t\tpattern,\n\t\t\t\t\t\tmatch\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn results.length > 0 ? results : null;\n\t}\n\n\t/**\n\t * Returns the name of the element to match if there is exactly one pattern added to the matcher instance\n\t * and it matches element name defined by `string` (not `RegExp`). Otherwise, returns `null`.\n\t *\n\t * @returns {String|null} Element name trying to match.\n\t */\n\tgetElementName() {\n\t\tif ( this._patterns.length !== 1 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst pattern = this._patterns[ 0 ];\n\t\tconst name = pattern.name;\n\n\t\treturn ( typeof pattern != 'function' && name && !( name instanceof RegExp ) ) ? name : null;\n\t}\n}\n\n// Returns match information if {@link module:engine/view/element~Element element} is matching provided pattern.\n// If element cannot be matched to provided pattern - returns `null`.\n//\n// @param {module:engine/view/element~Element} element\n// @param {Object|String|RegExp|Function} pattern\n// @returns {Object|null} Returns object with match information or null if element is not matching.\nfunction isElementMatching( element, pattern ) {\n\t// If pattern is provided as function - return result of that function;\n\tif ( typeof pattern == 'function' ) {\n\t\treturn pattern( element );\n\t}\n\n\tconst match = {};\n\t// Check element's name.\n\tif ( pattern.name ) {\n\t\tmatch.name = matchName( pattern.name, element.name );\n\n\t\tif ( !match.name ) {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\t// Check element's attributes.\n\tif ( pattern.attributes ) {\n\t\tmatch.attributes = matchAttributes( pattern.attributes, element );\n\n\t\tif ( !match.attributes ) {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\t// Check element's classes.\n\tif ( pattern.classes ) {\n\t\tmatch.classes = matchClasses( pattern.classes, element );\n\n\t\tif ( !match.classes ) {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t// Check element's styles.\n\tif ( pattern.styles ) {\n\t\tmatch.styles = matchStyles( pattern.styles, element );\n\n\t\tif ( !match.styles ) {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\treturn match;\n}\n\n// Checks if name can be matched by provided pattern.\n//\n// @param {String|RegExp} pattern\n// @param {String} name\n// @returns {Boolean} Returns `true` if name can be matched, `false` otherwise.\nfunction matchName( pattern, name ) {\n\t// If pattern is provided as RegExp - test against this regexp.\n\tif ( pattern instanceof RegExp ) {\n\t\treturn pattern.test( name );\n\t}\n\n\treturn pattern === name;\n}\n\n// Checks if attributes of provided element can be matched against provided patterns.\n//\n// @param {Object} patterns Object with information about attributes to match. Each key of the object will be\n// used as attribute name. Value of each key can be a string or regular expression to match against attribute value.\n// @param {module:engine/view/element~Element} element Element which attributes will be tested.\n// @returns {Array|null} Returns array with matched attribute names or `null` if no attributes were matched.\nfunction matchAttributes( patterns, element ) {\n\tconst match = [];\n\n\tfor ( const name in patterns ) {\n\t\tconst pattern = patterns[ name ];\n\n\t\tif ( element.hasAttribute( name ) ) {\n\t\t\tconst attribute = element.getAttribute( name );\n\n\t\t\tif ( pattern === true ) {\n\t\t\t\tmatch.push( name );\n\t\t\t} else if ( pattern instanceof RegExp ) {\n\t\t\t\tif ( pattern.test( attribute ) ) {\n\t\t\t\t\tmatch.push( name );\n\t\t\t\t} else {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\t\t\t} else if ( attribute === pattern ) {\n\t\t\t\tmatch.push( name );\n\t\t\t} else {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t} else {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\treturn match;\n}\n\n// Checks if classes of provided element can be matched against provided patterns.\n//\n// @param {Array.<String|RegExp>} patterns Array of strings or regular expressions to match against element's classes.\n// @param {module:engine/view/element~Element} element Element which classes will be tested.\n// @returns {Array|null} Returns array with matched class names or `null` if no classes were matched.\nfunction matchClasses( patterns, element ) {\n\tconst match = [];\n\n\tfor ( const pattern of patterns ) {\n\t\tif ( pattern instanceof RegExp ) {\n\t\t\tconst classes = element.getClassNames();\n\n\t\t\tfor ( const name of classes ) {\n\t\t\t\tif ( pattern.test( name ) ) {\n\t\t\t\t\tmatch.push( name );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( match.length === 0 ) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t} else if ( element.hasClass( pattern ) ) {\n\t\t\tmatch.push( pattern );\n\t\t} else {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\treturn match;\n}\n\n// Checks if styles of provided element can be matched against provided patterns.\n//\n// @param {Object} patterns Object with information about styles to match. Each key of the object will be\n// used as style name. Value of each key can be a string or regular expression to match against style value.\n// @param {module:engine/view/element~Element} element Element which styles will be tested.\n// @returns {Array|null} Returns array with matched style names or `null` if no styles were matched.\nfunction matchStyles( patterns, element ) {\n\tconst match = [];\n\n\tfor ( const name in patterns ) {\n\t\tconst pattern = patterns[ name ];\n\n\t\tif ( element.hasStyle( name ) ) {\n\t\t\tconst style = element.getStyle( name );\n\n\t\t\tif ( pattern instanceof RegExp ) {\n\t\t\t\tif ( pattern.test( style ) ) {\n\t\t\t\t\tmatch.push( name );\n\t\t\t\t} else {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\t\t\t} else if ( style === pattern ) {\n\t\t\t\tmatch.push( name );\n\t\t\t} else {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t} else {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\treturn match;\n}\n\n/**\n * An entity that is a valid pattern recognized by a matcher. `MatcherPattern` is used by {@link ~Matcher} to recognize\n * if a view element fits in a group of view elements described by the pattern.\n *\n * `MatcherPattern` can be given as a `String`, a `RegExp`, an `Object` or a `Function`.\n *\n * If `MatcherPattern` is given as a `String` or `RegExp`, it will match any view element that has a matching name:\n *\n *\t\t// Match any element with name equal to 'div'.\n *\t\tconst pattern = 'div';\n *\n *\t\t// Match any element which name starts on 'p'.\n *\t\tconst pattern = /^p/;\n *\n * If `MatcherPattern` is given as an `Object`, all the object's properties will be matched with view element properties.\n *\n *\t\t// Match view element's name.\n *\t\tconst pattern = { name: /^p/ };\n *\n *\t\t// Match view element which has matching attributes.\n *\t\tconst pattern = {\n *\t\t\tattributes: {\n *\t\t\t\ttitle: 'foobar',\t// Attribute title should equal 'foobar'.\n *\t\t\t\tfoo: /^\\w+/,\t\t// Attribute foo should match /^\\w+/ regexp.\n *\t\t\t\tbar: true\t\t\t// Attribute bar should be set (can be empty).\n *\t\t\t}\n *\t\t};\n *\n *\t\t// Match view element which has given class.\n *\t\tconst pattern = {\n *\t\t\tclasses: 'foobar'\n *\t\t};\n *\n *\t\t// Match view element class using regular expression.\n *\t\tconst pattern = {\n *\t\t\tclasses: /foo.../\n *\t\t};\n *\n *\t\t// Multiple classes to match.\n *\t\tconst pattern = {\n *\t\t\tclasses: [ 'baz', 'bar', /foo.../ ]\n *\t\t};\n *\n *\t\t// Match view element which has given styles.\n *\t\tconst pattern = {\n *\t\t\tstyles: {\n *\t\t\t\tposition: 'absolute',\n *\t\t\t\tcolor: /^\\w*blue$/\n *\t\t\t}\n *\t\t};\n *\n *\t\t// Pattern with multiple properties.\n *\t\tconst pattern = {\n *\t\t\tname: 'span',\n *\t\t\tstyles: {\n *\t\t\t\t'font-weight': 'bold'\n *\t\t\t},\n *\t\t\tclasses: 'highlighted'\n *\t\t};\n *\n * If `MatcherPattern` is given as a `Function`, the function takes a view element as a first and only parameter and\n * the function should decide whether that element matches. If so, it should return what part of the view element has been matched.\n * Otherwise, the function should return `null`. The returned result will be included in `match` property of the object\n * returned by {@link ~Matcher#match} call.\n *\n *\t\t// Match an empty <div> element.\n *\t\tconst pattern = element => {\n *\t\t\tif ( element.name == 'div' && element.childCount > 0 ) {\n *\t\t\t\t// Return which part of the element was matched.\n *\t\t\t\treturn { name: true };\n *\t\t\t}\n *\n *\t\t\treturn null;\n *\t\t};\n *\n *\t\t// Match a <p> element with big font (\"heading-like\" element).\n *\t\tconst pattern = element => {\n *\t\t\tif ( element.name == 'p' ) {\n *\t\t\t\tconst fontSize = element.getStyle( 'font-size' );\n *\t\t\t\tconst size = fontSize.match( /(\\d+)/px );\n *\n *\t\t\t\tif ( size && Number( size[ 1 ] ) > 26 ) {\n *\t\t\t\t\treturn { name: true, attribute: [ 'font-size' ] };\n *\t\t\t\t}\n *\t\t\t}\n *\n *\t\t\treturn null;\n *\t\t};\n *\n * `MatcherPattern` is defined in a way that it is a superset of {@link module:engine/view/elementdefinition~ElementDefinition},\n * that is, every `ElementDefinition` also can be used as a `MatcherPattern`.\n *\n * @typedef {String|RegExp|Object|Function} module:engine/view/matcher~MatcherPattern\n *\n * @property {String|RegExp} [name] View element name to match.\n * @property {String|RegExp|Array.<String|RegExp>} [classes] View element's class name(s) to match.\n * @property {Object} [styles] Object with key-value pairs representing styles to match.\n * Each object key represents style name. Value can be given as `String` or `RegExp`.\n * @property {Object} [attributes] Object with key-value pairs representing attributes to match.\n * Each object key represents attribute name. Value can be given as `String` or `RegExp`.\n */\n","import baseGetTag from './_baseGetTag.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar symbolTag = '[object Symbol]';\n\n/**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\nfunction isSymbol(value) {\n  return typeof value == 'symbol' ||\n    (isObjectLike(value) && baseGetTag(value) == symbolTag);\n}\n\nexport default isSymbol;\n","import isArray from './isArray.js';\nimport isSymbol from './isSymbol.js';\n\n/** Used to match property names within property paths. */\nvar reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n    reIsPlainProp = /^\\w*$/;\n\n/**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\nfunction isKey(value, object) {\n  if (isArray(value)) {\n    return false;\n  }\n  var type = typeof value;\n  if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n      value == null || isSymbol(value)) {\n    return true;\n  }\n  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n    (object != null && value in Object(object));\n}\n\nexport default isKey;\n","import MapCache from './_MapCache.js';\n\n/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\nfunction memoize(func, resolver) {\n  if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  var memoized = function() {\n    var args = arguments,\n        key = resolver ? resolver.apply(this, args) : args[0],\n        cache = memoized.cache;\n\n    if (cache.has(key)) {\n      return cache.get(key);\n    }\n    var result = func.apply(this, args);\n    memoized.cache = cache.set(key, result) || cache;\n    return result;\n  };\n  memoized.cache = new (memoize.Cache || MapCache);\n  return memoized;\n}\n\n// Expose `MapCache`.\nmemoize.Cache = MapCache;\n\nexport default memoize;\n","import memoize from './memoize.js';\n\n/** Used as the maximum memoize cache size. */\nvar MAX_MEMOIZE_SIZE = 500;\n\n/**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\nfunction memoizeCapped(func) {\n  var result = memoize(func, function(key) {\n    if (cache.size === MAX_MEMOIZE_SIZE) {\n      cache.clear();\n    }\n    return key;\n  });\n\n  var cache = result.cache;\n  return result;\n}\n\nexport default memoizeCapped;\n","import memoizeCapped from './_memoizeCapped.js';\n\n/** Used to match property names within property paths. */\nvar rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n/** Used to match backslashes in property paths. */\nvar reEscapeChar = /\\\\(\\\\)?/g;\n\n/**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\nvar stringToPath = memoizeCapped(function(string) {\n  var result = [];\n  if (string.charCodeAt(0) === 46 /* . */) {\n    result.push('');\n  }\n  string.replace(rePropName, function(match, number, quote, subString) {\n    result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n  });\n  return result;\n});\n\nexport default stringToPath;\n","/**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\nfunction arrayMap(array, iteratee) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      result = Array(length);\n\n  while (++index < length) {\n    result[index] = iteratee(array[index], index, array);\n  }\n  return result;\n}\n\nexport default arrayMap;\n","import Symbol from './_Symbol.js';\nimport arrayMap from './_arrayMap.js';\nimport isArray from './isArray.js';\nimport isSymbol from './isSymbol.js';\n\n/** Used as references for various `Number` constants. */\nvar INFINITY = 1 / 0;\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n    symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n/**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\nfunction baseToString(value) {\n  // Exit early for strings to avoid a performance hit in some environments.\n  if (typeof value == 'string') {\n    return value;\n  }\n  if (isArray(value)) {\n    // Recursively convert values (susceptible to call stack limits).\n    return arrayMap(value, baseToString) + '';\n  }\n  if (isSymbol(value)) {\n    return symbolToString ? symbolToString.call(value) : '';\n  }\n  var result = (value + '');\n  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\nexport default baseToString;\n","import baseToString from './_baseToString.js';\n\n/**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\nfunction toString(value) {\n  return value == null ? '' : baseToString(value);\n}\n\nexport default toString;\n","import isArray from './isArray.js';\nimport isKey from './_isKey.js';\nimport stringToPath from './_stringToPath.js';\nimport toString from './toString.js';\n\n/**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\nfunction castPath(value, object) {\n  if (isArray(value)) {\n    return value;\n  }\n  return isKey(value, object) ? [value] : stringToPath(toString(value));\n}\n\nexport default castPath;\n","/**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\nfunction last(array) {\n  var length = array == null ? 0 : array.length;\n  return length ? array[length - 1] : undefined;\n}\n\nexport default last;\n","import isSymbol from './isSymbol.js';\n\n/** Used as references for various `Number` constants. */\nvar INFINITY = 1 / 0;\n\n/**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\nfunction toKey(value) {\n  if (typeof value == 'string' || isSymbol(value)) {\n    return value;\n  }\n  var result = (value + '');\n  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\nexport default toKey;\n","import castPath from './_castPath.js';\nimport toKey from './_toKey.js';\n\n/**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\nfunction baseGet(object, path) {\n  path = castPath(path, object);\n\n  var index = 0,\n      length = path.length;\n\n  while (object != null && index < length) {\n    object = object[toKey(path[index++])];\n  }\n  return (index && index == length) ? object : undefined;\n}\n\nexport default baseGet;\n","/**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\nfunction baseSlice(array, start, end) {\n  var index = -1,\n      length = array.length;\n\n  if (start < 0) {\n    start = -start > length ? 0 : (length + start);\n  }\n  end = end > length ? length : end;\n  if (end < 0) {\n    end += length;\n  }\n  length = start > end ? 0 : ((end - start) >>> 0);\n  start >>>= 0;\n\n  var result = Array(length);\n  while (++index < length) {\n    result[index] = array[index + start];\n  }\n  return result;\n}\n\nexport default baseSlice;\n","import baseGet from './_baseGet.js';\nimport baseSlice from './_baseSlice.js';\n\n/**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\nfunction parent(object, path) {\n  return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n}\n\nexport default parent;\n","import castPath from './_castPath.js';\nimport last from './last.js';\nimport parent from './_parent.js';\nimport toKey from './_toKey.js';\n\n/**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\nfunction baseUnset(object, path) {\n  path = castPath(path, object);\n  object = parent(object, path);\n  return object == null || delete object[toKey(last(path))];\n}\n\nexport default baseUnset;\n","import baseUnset from './_baseUnset.js';\n\n/**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\nfunction unset(object, path) {\n  return object == null ? true : baseUnset(object, path);\n}\n\nexport default unset;\n","import baseGet from './_baseGet.js';\n\n/**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\nfunction get(object, path, defaultValue) {\n  var result = object == null ? undefined : baseGet(object, path);\n  return result === undefined ? defaultValue : result;\n}\n\nexport default get;\n","import baseAssignValue from './_baseAssignValue.js';\nimport eq from './eq.js';\n\n/**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction assignMergeValue(object, key, value) {\n  if ((value !== undefined && !eq(object[key], value)) ||\n      (value === undefined && !(key in object))) {\n    baseAssignValue(object, key, value);\n  }\n}\n\nexport default assignMergeValue;\n","/**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\nfunction createBaseFor(fromRight) {\n  return function(object, iteratee, keysFunc) {\n    var index = -1,\n        iterable = Object(object),\n        props = keysFunc(object),\n        length = props.length;\n\n    while (length--) {\n      var key = props[fromRight ? length : ++index];\n      if (iteratee(iterable[key], key, iterable) === false) {\n        break;\n      }\n    }\n    return object;\n  };\n}\n\nexport default createBaseFor;\n","import createBaseFor from './_createBaseFor.js';\n\n/**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\nvar baseFor = createBaseFor();\n\nexport default baseFor;\n","import isArrayLike from './isArrayLike.js';\nimport isObjectLike from './isObjectLike.js';\n\n/**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n *  else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\nfunction isArrayLikeObject(value) {\n  return isObjectLike(value) && isArrayLike(value);\n}\n\nexport default isArrayLikeObject;\n","/**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction safeGet(object, key) {\n  if (key === 'constructor' && typeof object[key] === 'function') {\n    return;\n  }\n\n  if (key == '__proto__') {\n    return;\n  }\n\n  return object[key];\n}\n\nexport default safeGet;\n","import copyObject from './_copyObject.js';\nimport keysIn from './keysIn.js';\n\n/**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n *   this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\nfunction toPlainObject(value) {\n  return copyObject(value, keysIn(value));\n}\n\nexport default toPlainObject;\n","import assignMergeValue from './_assignMergeValue.js';\nimport cloneBuffer from './_cloneBuffer.js';\nimport cloneTypedArray from './_cloneTypedArray.js';\nimport copyArray from './_copyArray.js';\nimport initCloneObject from './_initCloneObject.js';\nimport isArguments from './isArguments.js';\nimport isArray from './isArray.js';\nimport isArrayLikeObject from './isArrayLikeObject.js';\nimport isBuffer from './isBuffer.js';\nimport isFunction from './isFunction.js';\nimport isObject from './isObject.js';\nimport isPlainObject from './isPlainObject.js';\nimport isTypedArray from './isTypedArray.js';\nimport safeGet from './_safeGet.js';\nimport toPlainObject from './toPlainObject.js';\n\n/**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n *  counterparts.\n */\nfunction baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n  var objValue = safeGet(object, key),\n      srcValue = safeGet(source, key),\n      stacked = stack.get(srcValue);\n\n  if (stacked) {\n    assignMergeValue(object, key, stacked);\n    return;\n  }\n  var newValue = customizer\n    ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n    : undefined;\n\n  var isCommon = newValue === undefined;\n\n  if (isCommon) {\n    var isArr = isArray(srcValue),\n        isBuff = !isArr && isBuffer(srcValue),\n        isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n    newValue = srcValue;\n    if (isArr || isBuff || isTyped) {\n      if (isArray(objValue)) {\n        newValue = objValue;\n      }\n      else if (isArrayLikeObject(objValue)) {\n        newValue = copyArray(objValue);\n      }\n      else if (isBuff) {\n        isCommon = false;\n        newValue = cloneBuffer(srcValue, true);\n      }\n      else if (isTyped) {\n        isCommon = false;\n        newValue = cloneTypedArray(srcValue, true);\n      }\n      else {\n        newValue = [];\n      }\n    }\n    else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n      newValue = objValue;\n      if (isArguments(objValue)) {\n        newValue = toPlainObject(objValue);\n      }\n      else if (!isObject(objValue) || isFunction(objValue)) {\n        newValue = initCloneObject(srcValue);\n      }\n    }\n    else {\n      isCommon = false;\n    }\n  }\n  if (isCommon) {\n    // Recursively merge objects and arrays (susceptible to call stack limits).\n    stack.set(srcValue, newValue);\n    mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n    stack['delete'](srcValue);\n  }\n  assignMergeValue(object, key, newValue);\n}\n\nexport default baseMergeDeep;\n","import Stack from './_Stack.js';\nimport assignMergeValue from './_assignMergeValue.js';\nimport baseFor from './_baseFor.js';\nimport baseMergeDeep from './_baseMergeDeep.js';\nimport isObject from './isObject.js';\nimport keysIn from './keysIn.js';\nimport safeGet from './_safeGet.js';\n\n/**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n *  counterparts.\n */\nfunction baseMerge(object, source, srcIndex, customizer, stack) {\n  if (object === source) {\n    return;\n  }\n  baseFor(source, function(srcValue, key) {\n    stack || (stack = new Stack);\n    if (isObject(srcValue)) {\n      baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n    }\n    else {\n      var newValue = customizer\n        ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      if (newValue === undefined) {\n        newValue = srcValue;\n      }\n      assignMergeValue(object, key, newValue);\n    }\n  }, keysIn);\n}\n\nexport default baseMerge;\n","/**\n * This method returns the first argument it receives.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {*} value Any value.\n * @returns {*} Returns `value`.\n * @example\n *\n * var object = { 'a': 1 };\n *\n * console.log(_.identity(object) === object);\n * // => true\n */\nfunction identity(value) {\n  return value;\n}\n\nexport default identity;\n","/**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\nfunction apply(func, thisArg, args) {\n  switch (args.length) {\n    case 0: return func.call(thisArg);\n    case 1: return func.call(thisArg, args[0]);\n    case 2: return func.call(thisArg, args[0], args[1]);\n    case 3: return func.call(thisArg, args[0], args[1], args[2]);\n  }\n  return func.apply(thisArg, args);\n}\n\nexport default apply;\n","import apply from './_apply.js';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\nfunction overRest(func, start, transform) {\n  start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n  return function() {\n    var args = arguments,\n        index = -1,\n        length = nativeMax(args.length - start, 0),\n        array = Array(length);\n\n    while (++index < length) {\n      array[index] = args[start + index];\n    }\n    index = -1;\n    var otherArgs = Array(start + 1);\n    while (++index < start) {\n      otherArgs[index] = args[index];\n    }\n    otherArgs[start] = transform(array);\n    return apply(func, this, otherArgs);\n  };\n}\n\nexport default overRest;\n","/**\n * Creates a function that returns `value`.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Util\n * @param {*} value The value to return from the new function.\n * @returns {Function} Returns the new constant function.\n * @example\n *\n * var objects = _.times(2, _.constant({ 'a': 1 }));\n *\n * console.log(objects);\n * // => [{ 'a': 1 }, { 'a': 1 }]\n *\n * console.log(objects[0] === objects[1]);\n * // => true\n */\nfunction constant(value) {\n  return function() {\n    return value;\n  };\n}\n\nexport default constant;\n","import constant from './constant.js';\nimport defineProperty from './_defineProperty.js';\nimport identity from './identity.js';\n\n/**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\nvar baseSetToString = !defineProperty ? identity : function(func, string) {\n  return defineProperty(func, 'toString', {\n    'configurable': true,\n    'enumerable': false,\n    'value': constant(string),\n    'writable': true\n  });\n};\n\nexport default baseSetToString;\n","/** Used to detect hot functions by number of calls within a span of milliseconds. */\nvar HOT_COUNT = 800,\n    HOT_SPAN = 16;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeNow = Date.now;\n\n/**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\nfunction shortOut(func) {\n  var count = 0,\n      lastCalled = 0;\n\n  return function() {\n    var stamp = nativeNow(),\n        remaining = HOT_SPAN - (stamp - lastCalled);\n\n    lastCalled = stamp;\n    if (remaining > 0) {\n      if (++count >= HOT_COUNT) {\n        return arguments[0];\n      }\n    } else {\n      count = 0;\n    }\n    return func.apply(undefined, arguments);\n  };\n}\n\nexport default shortOut;\n","import baseSetToString from './_baseSetToString.js';\nimport shortOut from './_shortOut.js';\n\n/**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\nvar setToString = shortOut(baseSetToString);\n\nexport default setToString;\n","import identity from './identity.js';\nimport overRest from './_overRest.js';\nimport setToString from './_setToString.js';\n\n/**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\nfunction baseRest(func, start) {\n  return setToString(overRest(func, start, identity), func + '');\n}\n\nexport default baseRest;\n","import eq from './eq.js';\nimport isArrayLike from './isArrayLike.js';\nimport isIndex from './_isIndex.js';\nimport isObject from './isObject.js';\n\n/**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n *  else `false`.\n */\nfunction isIterateeCall(value, index, object) {\n  if (!isObject(object)) {\n    return false;\n  }\n  var type = typeof index;\n  if (type == 'number'\n        ? (isArrayLike(object) && isIndex(index, object.length))\n        : (type == 'string' && index in object)\n      ) {\n    return eq(object[index], value);\n  }\n  return false;\n}\n\nexport default isIterateeCall;\n","import baseRest from './_baseRest.js';\nimport isIterateeCall from './_isIterateeCall.js';\n\n/**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\nfunction createAssigner(assigner) {\n  return baseRest(function(object, sources) {\n    var index = -1,\n        length = sources.length,\n        customizer = length > 1 ? sources[length - 1] : undefined,\n        guard = length > 2 ? sources[2] : undefined;\n\n    customizer = (assigner.length > 3 && typeof customizer == 'function')\n      ? (length--, customizer)\n      : undefined;\n\n    if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n      customizer = length < 3 ? undefined : customizer;\n      length = 1;\n    }\n    object = Object(object);\n    while (++index < length) {\n      var source = sources[index];\n      if (source) {\n        assigner(object, source, index, customizer);\n      }\n    }\n    return object;\n  });\n}\n\nexport default createAssigner;\n","import baseMerge from './_baseMerge.js';\nimport createAssigner from './_createAssigner.js';\n\n/**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n *   'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n *   'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\nvar merge = createAssigner(function(object, source, srcIndex) {\n  baseMerge(object, source, srcIndex);\n});\n\nexport default merge;\n","import assignValue from './_assignValue.js';\nimport castPath from './_castPath.js';\nimport isIndex from './_isIndex.js';\nimport isObject from './isObject.js';\nimport toKey from './_toKey.js';\n\n/**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\nfunction baseSet(object, path, value, customizer) {\n  if (!isObject(object)) {\n    return object;\n  }\n  path = castPath(path, object);\n\n  var index = -1,\n      length = path.length,\n      lastIndex = length - 1,\n      nested = object;\n\n  while (nested != null && ++index < length) {\n    var key = toKey(path[index]),\n        newValue = value;\n\n    if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n      return object;\n    }\n\n    if (index != lastIndex) {\n      var objValue = nested[key];\n      newValue = customizer ? customizer(objValue, key, nested) : undefined;\n      if (newValue === undefined) {\n        newValue = isObject(objValue)\n          ? objValue\n          : (isIndex(path[index + 1]) ? [] : {});\n      }\n    }\n    assignValue(nested, key, newValue);\n    nested = nested[key];\n  }\n  return object;\n}\n\nexport default baseSet;\n","import baseSet from './_baseSet.js';\n\n/**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\nfunction set(object, path, value) {\n  return object == null ? object : baseSet(object, path, value);\n}\n\nexport default set;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/stylesmap\n */\n\nimport { get, isObject, merge, set, unset } from 'lodash-es';\n\n/**\n * Styles map. Allows handling (adding, removing, retrieving) a set of style rules (usually, of an element).\n *\n * The styles map is capable of normalizing style names so e.g. the following operations are possible:\n */\nexport default class StylesMap {\n\t/**\n\t * Creates Styles instance.\n\t *\n\t * @param {module:engine/view/stylesmap~StylesProcessor} styleProcessor\n\t */\n\tconstructor( styleProcessor ) {\n\t\t/**\n\t\t * Keeps an internal representation of styles map. Normalized styles are kept as object tree to allow unified modification and\n\t\t * value access model using lodash's get, set, unset, etc methods.\n\t\t *\n\t\t * When no style processor rules are defined the it acts as simple key-value storage.\n\t\t *\n\t\t * @private\n\t\t * @type {Object}\n\t\t */\n\t\tthis._styles = {};\n\n\t\t/**\n\t\t * An instance of the {@link module:engine/view/stylesmap~StylesProcessor}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/stylesmap~StylesProcessor}\n\t\t */\n\t\tthis._styleProcessor = styleProcessor;\n\t}\n\n\t/**\n\t * Returns true if style map has no styles set.\n\t *\n\t * @returns {Boolean}\n\t */\n\tget isEmpty() {\n\t\tconst entries = Object.entries( this._styles );\n\t\tconst from = Array.from( entries );\n\n\t\treturn !from.length;\n\t}\n\n\t/**\n\t * Number of styles defined.\n\t *\n\t * @type {Number}\n\t */\n\tget size() {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn 0;\n\t\t}\n\n\t\treturn this.getStyleNames().length;\n\t}\n\n\t/**\n\t * Set styles map to a new value.\n\t *\n\t *\t\tstyles.setTo( 'border:1px solid blue;margin-top:1px;' );\n\t *\n\t * @param {String} inlineStyle\n\t */\n\tsetTo( inlineStyle ) {\n\t\tthis.clear();\n\n\t\tconst parsedStyles = Array.from( parseInlineStyles( inlineStyle ).entries() );\n\n\t\tfor ( const [ key, value ] of parsedStyles ) {\n\t\t\tthis._styleProcessor.toNormalizedForm( key, value, this._styles );\n\t\t}\n\t}\n\n\t/**\n\t * Checks if a given style is set.\n\t *\n\t *\t\tstyles.setTo( 'margin-left:1px;' );\n\t *\n\t *\t\tstyles.has( 'margin-left' );    // -> true\n\t *\t\tstyles.has( 'padding' );        // -> false\n\t *\n\t * **Note**: This check supports normalized style names.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tstyles.setTo( 'margin:2px;' );\n\t *\n\t *\t\tstyles.has( 'margin' );         // -> true\n\t *\t\tstyles.has( 'margin-top' );     // -> true\n\t *\t\tstyles.has( 'margin-left' );    // -> true\n\t *\n\t *\t\tstyles.remove( 'margin-top' );\n\t *\n\t *\t\tstyles.has( 'margin' );         // -> false\n\t *\t\tstyles.has( 'margin-top' );     // -> false\n\t *\t\tstyles.has( 'margin-left' );    // -> true\n\t *\n\t * @param {String} name Style name.\n\t * @returns {Boolean}\n\t */\n\thas( name ) {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst styles = this._styleProcessor.getReducedForm( name, this._styles );\n\n\t\tconst propertyDescriptor = styles.find( ( [ property ] ) => property === name );\n\n\t\t// Only return a value if it is set;\n\t\treturn Array.isArray( propertyDescriptor );\n\t}\n\n\t/**\n\t * Sets a given style.\n\t *\n\t * Can insert one by one:\n\t *\n\t *\t\tstyles.set( 'color', 'blue' );\n\t *\t\tstyles.set( 'margin-right', '1em' );\n\t *\n\t * or many styles at once:\n\t *\n\t *\t\tstyles.set( {\n\t *\t\t\tcolor: 'blue',\n\t *\t\t\t'margin-right': '1em'\n\t *\t\t} );\n\t *\n\t * ***Note**:* This method uses {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules\n\t * enabled style processor rules} to normalize passed values.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tstyles.set( 'margin', '2px' );\n\t *\n\t * The above code will set margin to:\n\t *\n\t *\t\tstyles.getNormalized( 'margin' );\n\t *\t\t// -> { top: '2px', right: '2px', bottom: '2px', left: '2px' }\n\t *\n\t * Which makes it possible to retrieve a \"sub-value\":\n\t *\n\t *\t\tstyles.get( 'margin-left' );       // -> '2px'\n\t *\n\t * Or modify it:\n\t *\n\t *\t\tstyles.remove( 'margin-left' );\n\t *\n\t *\t\tstyles.getNormalized( 'margin' );  // -> { top: '1px', bottom: '1px', right: '1px' }\n\t *\t\tstyles.toString();                 // -> 'margin-bottom:1px;margin-right:1px;margin-top:1px;'\n\t *\n\t * This method also allows to set normalized values directly (if a particular styles processor rule was enabled):\n\t *\n\t *\t\tstyles.set( 'border-color', { top: 'blue' } );\n\t *\t\tstyles.set( 'margin', { right: '2em' } );\n\t *\n\t *\t\tstyles.toString();                 // -> 'border-color-top:blue;margin-right:2em;'\n\t *\n\t * @param {String|Object} nameOrObject Style property name or object with multiple properties.\n\t * @param {String|Object} valueOrObject Value to set.\n\t */\n\tset( nameOrObject, valueOrObject ) {\n\t\tif ( isObject( nameOrObject ) ) {\n\t\t\tfor ( const [ key, value ] of Object.entries( nameOrObject ) ) {\n\t\t\t\tthis._styleProcessor.toNormalizedForm( key, value, this._styles );\n\t\t\t}\n\t\t} else {\n\t\t\tthis._styleProcessor.toNormalizedForm( nameOrObject, valueOrObject, this._styles );\n\t\t}\n\t}\n\n\t/**\n\t * Removes given style.\n\t *\n\t *\t\tstyles.setTo( 'background:#f00;margin-right:2px;' );\n\t *\n\t *\t\tstyles.remove( 'background' );\n\t *\n\t *\t\tstyles.toString();   // -> 'margin-right:2px;'\n\t *\n\t * ***Note**:* This method uses {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules\n\t * enabled style processor rules} to normalize passed values.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tstyles.setTo( 'margin:1px' );\n\t *\n\t *\t\tstyles.remove( 'margin-top' );\n\t *\t\tstyles.remove( 'margin-right' );\n\t *\n\t *\t\tstyles.toString(); // -> 'margin-bottom:1px;margin-left:1px;'\n\t *\n\t * @param {String} name Style name.\n\t */\n\tremove( name ) {\n\t\tconst path = toPath( name );\n\n\t\tunset( this._styles, path );\n\t\tdelete this._styles[ name ];\n\n\t\tthis._cleanEmptyObjectsOnPath( path );\n\t}\n\n\t/**\n\t * Returns a normalized style object or a single value.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px 2px 3em;' );\n\t *\n\t *\t\tstyles.getNormalized( 'margin' );\n\t *\t\t// will log:\n\t *\t\t// {\n\t *\t\t//     top: '1px',\n\t *\t\t//     right: '2px',\n\t *\t\t//     bottom: '3em',\n\t *\t\t//     left: '2px'     // normalized value from margin shorthand\n\t *\t\t// }\n\t *\n\t *\t\tstyles.getNormalized( 'margin-left' ); // -> '2px'\n\t *\n\t * **Note**: This method will only return normalized styles if a style processor was defined.\n\t *\n\t * @param {String} name Style name.\n\t * @returns {Object|String|undefined}\n\t */\n\tgetNormalized( name ) {\n\t\treturn this._styleProcessor.getNormalized( name, this._styles );\n\t}\n\n\t/**\n\t * Returns a normalized style string. Styles are sorted by name.\n\t *\n\t *\t\tstyles.set( 'margin' , '1px' );\n\t *\t\tstyles.set( 'background', '#f00' );\n\t *\n\t *\t\tstyles.toString(); // -> 'background:#f00;margin:1px;'\n\t *\n\t * **Note**: This method supports normalized styles if defined.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tstyles.set( 'margin' , '1px' );\n\t *\t\tstyles.set( 'background', '#f00' );\n\t *\t\tstyles.remove( 'margin-top' );\n\t *\t\tstyles.remove( 'margin-right' );\n\t *\n\t *\t\tstyles.toString(); // -> 'background:#f00;margin-bottom:1px;margin-left:1px;'\n\t *\n\t * @returns {String}\n\t */\n\ttoString() {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn '';\n\t\t}\n\n\t\treturn this._getStylesEntries()\n\t\t\t.map( arr => arr.join( ':' ) )\n\t\t\t.sort()\n\t\t\t.join( ';' ) + ';';\n\t}\n\n\t/**\n\t * Returns property as a value string or undefined if property is not set.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px;' );\n\t *\t\tstyles.set( 'margin-bottom', '3em' );\n\t *\n\t *\t\tstyles.getAsString( 'margin' ); // -> 'margin: 1px 1px 3em;'\n\t *\n\t * Note, however, that all sub-values must be set for the longhand property name to return a value:\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px;' );\n\t *\t\tstyles.remove( 'margin-bottom' );\n\t *\n\t *\t\tstyles.getAsString( 'margin' ); // -> undefined\n\t *\n\t * In the above scenario, it is not possible to return a `margin` value, so `undefined` is returned.\n\t * Instead, you should use:\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px;' );\n\t *\t\tstyles.remove( 'margin-bottom' );\n\t *\n\t *\t\tfor ( const styleName of styles.getStyleNames() ) {\n\t *\t\t\tconsole.log( styleName, styles.getAsString( styleName ) );\n\t *\t\t}\n\t *\t\t// 'margin-top', '1px'\n\t *\t\t// 'margin-right', '1px'\n\t *\t\t// 'margin-left', '1px'\n\t *\n\t * In general, it is recommend to iterate over style names like in the example above. This way, you will always get all\n\t * the currently set style values. So, if all the 4 margin values would be set\n\t * the for-of loop above would yield only `'margin'`, `'1px'`:\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px;' );\n\t *\n\t *\t\tfor ( const styleName of styles.getStyleNames() ) {\n\t *\t\t\tconsole.log( styleName, styles.getAsString( styleName ) );\n\t *\t\t}\n\t *\t\t// 'margin', '1px'\n\t *\n\t * **Note**: To get a normalized version of a longhand property use the {@link #getNormalized `#getNormalized()`} method.\n\t *\n\t * @param {String} propertyName\n\t * @returns {String|undefined}\n\t */\n\tgetAsString( propertyName ) {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( this._styles[ propertyName ] && !isObject( this._styles[ propertyName ] ) ) {\n\t\t\t// Try return styles set directly - values that are not parsed.\n\t\t\treturn this._styles[ propertyName ];\n\t\t}\n\n\t\tconst styles = this._styleProcessor.getReducedForm( propertyName, this._styles );\n\n\t\tconst propertyDescriptor = styles.find( ( [ property ] ) => property === propertyName );\n\n\t\t// Only return a value if it is set;\n\t\tif ( Array.isArray( propertyDescriptor ) ) {\n\t\t\treturn propertyDescriptor[ 1 ];\n\t\t}\n\t}\n\n\t/**\n\t * Returns style property names as they would appear when using {@link #toString `#toString()`}.\n\t *\n\t * @returns {Array.<String>}\n\t */\n\tgetStyleNames() {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn [];\n\t\t}\n\n\t\tconst entries = this._getStylesEntries();\n\n\t\treturn entries.map( ( [ key ] ) => key );\n\t}\n\n\t/**\n\t * Removes all styles.\n\t */\n\tclear() {\n\t\tthis._styles = {};\n\t}\n\n\t/**\n\t * Returns normalized styles entries for further processing.\n\t *\n\t * @private\n\t * @returns {Array.<module:engine/view/stylesmap~PropertyDescriptor>}\n\t */\n\t_getStylesEntries() {\n\t\tconst parsed = [];\n\n\t\tconst keys = Object.keys( this._styles );\n\n\t\tfor ( const key of keys ) {\n\t\t\tparsed.push( ...this._styleProcessor.getReducedForm( key, this._styles ) );\n\t\t}\n\n\t\treturn parsed;\n\t}\n\n\t/**\n\t * Removes empty objects upon removing an entry from internal object.\n\t *\n\t * @param {String} path\n\t * @private\n\t */\n\t_cleanEmptyObjectsOnPath( path ) {\n\t\tconst pathParts = path.split( '.' );\n\t\tconst isChildPath = pathParts.length > 1;\n\n\t\tif ( !isChildPath ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst parentPath = pathParts.splice( 0, pathParts.length - 1 ).join( '.' );\n\n\t\tconst parentObject = get( this._styles, parentPath );\n\n\t\tif ( !parentObject ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst isParentEmpty = !Array.from( Object.keys( parentObject ) ).length;\n\n\t\tif ( isParentEmpty ) {\n\t\t\tthis.remove( parentPath );\n\t\t}\n\t}\n}\n\n/**\n * Style processor is responsible for writing and reading a normalized styles object.\n */\nexport class StylesProcessor {\n\t/**\n\t * Creates StylesProcessor instance.\n\t *\n\t * @private\n\t */\n\tconstructor() {\n\t\tthis._normalizers = new Map();\n\t\tthis._extractors = new Map();\n\t\tthis._reducers = new Map();\n\t\tthis._consumables = new Map();\n\t}\n\n\t/**\n\t * Parse style string value to a normalized object and appends it to styles object.\n\t *\n\t *\t\tconst styles = {};\n\t *\n\t *\t\tstylesProcessor.toNormalizedForm( 'margin', '1px', styles );\n\t *\n\t *\t\t// styles will consist: { margin: { top: '1px', right: '1px', bottom: '1px', left: '1px; } }\n\t *\n\t * **Note**: To define normalizer callbacks use {@link #setNormalizer}.\n\t *\n\t * @param {String} name Name of style property.\n\t * @param {String} propertyValue Value of style property.\n\t * @param {Object} styles Object holding normalized styles.\n\t */\n\ttoNormalizedForm( name, propertyValue, styles ) {\n\t\tif ( isObject( propertyValue ) ) {\n\t\t\tappendStyleValue( styles, toPath( name ), propertyValue );\n\n\t\t\treturn;\n\t\t}\n\n\t\tif ( this._normalizers.has( name ) ) {\n\t\t\tconst normalizer = this._normalizers.get( name );\n\n\t\t\tconst { path, value } = normalizer( propertyValue );\n\n\t\t\tappendStyleValue( styles, path, value );\n\t\t} else {\n\t\t\tappendStyleValue( styles, name, propertyValue );\n\t\t}\n\t}\n\n\t/**\n\t * Returns a normalized version of a style property.\n\t *\t\tconst styles = {\n\t *\t\t\tmargin: { top: '1px', right: '1px', bottom: '1px', left: '1px; },\n\t *\t\t\tbackground: { color: '#f00' }\n\t *\t\t};\n\t *\n\t *\t\tstylesProcessor.getNormalized( 'background' );\n\t *\t\t// will return: { color: '#f00' }\n\t *\n\t *\t\tstylesProcessor.getNormalized( 'margin-top' );\n\t *\t\t// will return: '1px'\n\t *\n\t * **Note**: In some cases extracting single value requires defining an extractor callback {@link #setExtractor}.\n\t *\n\t * @param {String} name Name of style property.\n\t * @param {Object} styles Object holding normalized styles.\n\t * @returns {*}\n\t */\n\tgetNormalized( name, styles ) {\n\t\tif ( !name ) {\n\t\t\treturn merge( {}, styles );\n\t\t}\n\n\t\t// Might be empty string.\n\t\tif ( styles[ name ] !== undefined ) {\n\t\t\treturn styles[ name ];\n\t\t}\n\n\t\tif ( this._extractors.has( name ) ) {\n\t\t\tconst extractor = this._extractors.get( name );\n\n\t\t\tif ( typeof extractor === 'string' ) {\n\t\t\t\treturn get( styles, extractor );\n\t\t\t}\n\n\t\t\tconst value = extractor( name, styles );\n\n\t\t\tif ( value ) {\n\t\t\t\treturn value;\n\t\t\t}\n\t\t}\n\n\t\treturn get( styles, toPath( name ) );\n\t}\n\n\t/**\n\t * Returns a reduced form of style property form normalized object.\n\t *\n\t * For default margin reducer, the below code:\n\t *\n\t *\t\tstylesProcessor.getReducedForm( 'margin', {\n\t *\t\t\tmargin: { top: '1px', right: '1px', bottom: '2px', left: '1px; }\n\t *\t\t} );\n\t *\n\t * will return:\n\t *\n\t *\t\t[\n\t *\t\t\t[ 'margin', '1px 1px 2px' ]\n\t *\t\t]\n\t *\n\t * because it might be represented as a shorthand 'margin' value. However if one of margin long hand values is missing it should return:\n\t *\n\t *\t\t[\n\t *\t\t\t[ 'margin-top', '1px' ],\n\t *\t\t\t[ 'margin-right', '1px' ],\n\t *\t\t\t[ 'margin-bottom', '2px' ]\n\t *\t\t\t// the 'left' value is missing - cannot use 'margin' shorthand.\n\t *\t\t]\n\t *\n\t * **Note**: To define reducer callbacks use {@link #setReducer}.\n\t *\n\t * @param {String} name\n\t * @param {String} name Name of style property.\n\t * @param {Object} styles Object holding normalized styles.\n\t * @returns {Array.<module:engine/view/stylesmap~PropertyDescriptor>}\n\t */\n\tgetReducedForm( name, styles ) {\n\t\tconst normalizedValue = this.getNormalized( name, styles );\n\n\t\t// Might be empty string.\n\t\tif ( normalizedValue === undefined ) {\n\t\t\treturn [];\n\t\t}\n\n\t\tif ( this._reducers.has( name ) ) {\n\t\t\tconst reducer = this._reducers.get( name );\n\n\t\t\treturn reducer( normalizedValue );\n\t\t}\n\n\t\treturn [ [ name, normalizedValue ] ];\n\t}\n\n\t/**\n\t * Returns related style names.\n\t *\n\t *\t\tstylesProcessor.getRelatedStyles( 'margin' );\n\t *\t\t// will return: [ 'margin-top', 'margin-right', 'margin-bottom', 'margin-left' ];\n\t *\n\t *\t\tstylesProcessor.getRelatedStyles( 'margin-top' );\n\t *\t\t// will return: [ 'margin' ];\n\t *\n\t * **Note**: To define new style relations load an existing style processor or use\n\t * {@link module:engine/view/stylesmap~StylesProcessor#setStyleRelation `StylesProcessor.setStyleRelation()`}.\n\t *\n\t * @param {String} name\n\t * @returns {Array.<String>}\n\t */\n\tgetRelatedStyles( name ) {\n\t\treturn this._consumables.get( name ) || [];\n\t}\n\n\t/**\n\t * Adds a normalizer method for a style property.\n\t *\n\t * A normalizer returns describing how the value should be normalized.\n\t *\n\t * For instance 'margin' style is a shorthand for four margin values:\n\t *\n\t * - 'margin-top'\n\t * - 'margin-right'\n\t * - 'margin-bottom'\n\t * - 'margin-left'\n\t *\n\t * and can be written in various ways if some values are equal to others. For instance `'margin: 1px 2em;'` is a shorthand for\n\t * `'margin-top: 1px;margin-right: 2em;margin-bottom: 1px;margin-left: 2em'`.\n\t *\n\t * A normalizer should parse various margin notations as a single object:\n\t *\n\t *\t\tconst styles = {\n\t *\t\t\tmargin: {\n\t *\t\t\t\ttop: '1px',\n\t *\t\t\t\tright: '2em',\n\t *\t\t\t\tbottom: '1px',\n\t *\t\t\t\tleft: '2em'\n\t *\t\t\t}\n\t *\t\t};\n\t *\n\t * Thus a normalizer for 'margin' style should return an object defining style path and value to store:\n\t *\n\t *\t\tconst returnValue = {\n\t *\t\t\tpath: 'margin',\n\t *\t\t\tvalue: {\n\t *\t\t\t\ttop: '1px',\n\t *\t\t\t\tright: '2em',\n\t *\t\t\t\tbottom: '1px',\n\t *\t\t\t\tleft: '2em'\n\t *\t\t\t}\n\t *\t\t};\n\t *\n\t * Additionally to fully support all margin notations there should be also defined 4 normalizers for longhand margin notations. Below\n\t * is an example for 'margin-top' style property normalizer:\n\t *\n\t *\t\tstylesProcessor.setNormalizer( 'margin-top', valueString => {\n\t *\t\t\treturn {\n\t *\t\t\t\tpath: 'margin.top',\n\t *\t\t\t\tvalue: valueString\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @param {String} name\n\t * @param {Function} callback\n\t */\n\tsetNormalizer( name, callback ) {\n\t\tthis._normalizers.set( name, callback );\n\t}\n\n\t/**\n\t * Adds a extractor callback for a style property.\n\t *\n\t * Most normalized style values are stored as one level objects. It is assumed that `'margin-top'` style will be stored as:\n\t *\n\t *\t\tconst styles = {\n\t *\t\t\tmargin: {\n\t *\t\t\t\ttop: 'value'\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * However, some styles can have conflicting notations and thus it might be harder to extract a style value from shorthand. For instance\n\t * the 'border-top-style' can be defined using `'border-top:solid'`, `'border-style:solid none none none'` or by `'border:solid'`\n\t * shorthands. The default border styles processors stores styles as:\n\t *\n\t *\t\tconst styles = {\n\t *\t\t\tborder: {\n\t *\t\t\t\tstyle: {\n\t *\t\t\t\t\ttop: 'solid'\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * as it is better to modify border style independently from other values. On the other part the output of the border might be\n\t * desired as `border-top`, `border-left`, etc notation.\n\t *\n\t * In the above example a reducer should return a side border value that combines style, color and width:\n\t *\n\t *\t\tstyleProcessor.setExtractor( 'border-top', styles => {\n\t *\t\t\treturn {\n\t *\t\t\t\tcolor: styles.border.color.top,\n\t *\t\t\t\tstyle: styles.border.style.top,\n\t *\t\t\t\twidth: styles.border.width.top\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @param {String} name\n\t * @param {Function|String} callbackOrPath Callback that return a requested value or path string for single values.\n\t */\n\tsetExtractor( name, callbackOrPath ) {\n\t\tthis._extractors.set( name, callbackOrPath );\n\t}\n\n\t/**\n\t * Adds a reducer callback for a style property.\n\t *\n\t * Reducer returns a minimal notation for given style name. For longhand properties it is not required to write a reducer as\n\t * by default the direct value from style path is taken.\n\t *\n\t * For shorthand styles a reducer should return minimal style notation either by returning single name-value tuple or multiple tuples\n\t * if a shorthand cannot be used. For instance for a margin shorthand a reducer might return:\n\t *\n\t *\t\tconst marginShortHandTuple = [\n\t *\t\t\t[ 'margin', '1px 1px 2px' ]\n\t *\t\t];\n\t *\n\t * or a longhand tuples for defined values:\n\t *\n\t *\t\t// Considering margin.bottom and margin.left are undefined.\n\t *\t\tconst marginLonghandsTuples = [\n\t *\t\t\t[ 'margin-top', '1px' ],\n\t *\t\t\t[ 'margin-right', '1px' ]\n\t *\t\t];\n\t *\n\t * A reducer obtains a normalized style value:\n\t *\n\t *\t\t// Simplified reducer that always outputs 4 values which are always present:\n\t *\t\tstylesProcessor.setReducer( 'margin', margin => {\n\t *\t\t\treturn [\n\t *\t\t\t\t[ 'margin', `${ margin.top } ${ margin.right } ${ margin.bottom } ${ margin.left }` ]\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t * @param {String} name\n\t * @param {Function} callback\n\t */\n\tsetReducer( name, callback ) {\n\t\tthis._reducers.set( name, callback );\n\t}\n\n\t/**\n\t * Defines a style shorthand relation to other style notations.\n\t *\n\t *\t\tstylesProcessor.setStyleRelation( 'margin', [\n\t *\t\t\t'margin-top',\n\t *\t\t\t'margin-right',\n\t *\t\t\t'margin-bottom',\n\t *\t\t\t'margin-left'\n\t *\t\t] );\n\t *\n\t * This enables expanding of style names for shorthands. For instance, if defined,\n\t * {@link module:engine/conversion/viewconsumable~ViewConsumable view consumable} items are automatically created\n\t * for long-hand margin style notation alongside the `'margin'` item.\n\t *\n\t * This means that when an element being converted has a style `margin`, a converter for `margin-left` will work just\n\t * fine since the view consumable will contain a consumable `margin-left` item (thanks to the relation) and\n\t * `element.getStyle( 'margin-left' )` will work as well assuming that the style processor was correctly configured.\n\t * However, once `margin-left` is consumed, `margin` will not be consumable anymore.\n\t *\n\t * @param {String} shorthandName\n\t * @param {Array.<String>} styleNames\n\t */\n\tsetStyleRelation( shorthandName, styleNames ) {\n\t\tthis._mapStyleNames( shorthandName, styleNames );\n\n\t\tfor ( const alsoName of styleNames ) {\n\t\t\tthis._mapStyleNames( alsoName, [ shorthandName ] );\n\t\t}\n\t}\n\n\t/**\n\t * Set two-way binding of style names.\n\t *\n\t * @param {String} name\n\t * @param {Array.<String>} styleNames\n\t * @private\n\t */\n\t_mapStyleNames( name, styleNames ) {\n\t\tif ( !this._consumables.has( name ) ) {\n\t\t\tthis._consumables.set( name, [] );\n\t\t}\n\n\t\tthis._consumables.get( name ).push( ...styleNames );\n\t}\n}\n\n// Parses inline styles and puts property - value pairs into styles map.\n//\n// @param {String} stylesString Styles to parse.\n// @returns {Map.<String, String>} stylesMap Map of parsed properties and values.\nfunction parseInlineStyles( stylesString ) {\n\t// `null` if no quote was found in input string or last found quote was a closing quote. See below.\n\tlet quoteType = null;\n\tlet propertyNameStart = 0;\n\tlet propertyValueStart = 0;\n\tlet propertyName = null;\n\n\tconst stylesMap = new Map();\n\n\t// Do not set anything if input string is empty.\n\tif ( stylesString === '' ) {\n\t\treturn stylesMap;\n\t}\n\n\t// Fix inline styles that do not end with `;` so they are compatible with algorithm below.\n\tif ( stylesString.charAt( stylesString.length - 1 ) != ';' ) {\n\t\tstylesString = stylesString + ';';\n\t}\n\n\t// Seek the whole string for \"special characters\".\n\tfor ( let i = 0; i < stylesString.length; i++ ) {\n\t\tconst char = stylesString.charAt( i );\n\n\t\tif ( quoteType === null ) {\n\t\t\t// No quote found yet or last found quote was a closing quote.\n\t\t\tswitch ( char ) {\n\t\t\t\tcase ':':\n\t\t\t\t\t// Most of time colon means that property name just ended.\n\t\t\t\t\t// Sometimes however `:` is found inside property value (for example in background image url).\n\t\t\t\t\tif ( !propertyName ) {\n\t\t\t\t\t\t// Treat this as end of property only if property name is not already saved.\n\t\t\t\t\t\t// Save property name.\n\t\t\t\t\t\tpropertyName = stylesString.substr( propertyNameStart, i - propertyNameStart );\n\t\t\t\t\t\t// Save this point as the start of property value.\n\t\t\t\t\t\tpropertyValueStart = i + 1;\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase '\"':\n\t\t\t\tcase '\\'':\n\t\t\t\t\t// Opening quote found (this is an opening quote, because `quoteType` is `null`).\n\t\t\t\t\tquoteType = char;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ';': {\n\t\t\t\t\t// Property value just ended.\n\t\t\t\t\t// Use previously stored property value start to obtain property value.\n\t\t\t\t\tconst propertyValue = stylesString.substr( propertyValueStart, i - propertyValueStart );\n\n\t\t\t\t\tif ( propertyName ) {\n\t\t\t\t\t\t// Save parsed part.\n\t\t\t\t\t\tstylesMap.set( propertyName.trim(), propertyValue.trim() );\n\t\t\t\t\t}\n\n\t\t\t\t\tpropertyName = null;\n\n\t\t\t\t\t// Save this point as property name start. Property name starts immediately after previous property value ends.\n\t\t\t\t\tpropertyNameStart = i + 1;\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if ( char === quoteType ) {\n\t\t\t// If a quote char is found and it is a closing quote, mark this fact by `null`-ing `quoteType`.\n\t\t\tquoteType = null;\n\t\t}\n\t}\n\n\treturn stylesMap;\n}\n\n// Return lodash compatible path from style name.\nfunction toPath( name ) {\n\treturn name.replace( '-', '.' );\n}\n\n// Appends style definition to the styles object.\n//\n// @param {String} nameOrPath\n// @param {String|Object} valueOrObject\n// @private\nfunction appendStyleValue( stylesObject, nameOrPath, valueOrObject ) {\n\tlet valueToSet = valueOrObject;\n\n\tif ( isObject( valueOrObject ) ) {\n\t\tvalueToSet = merge( {}, get( stylesObject, nameOrPath ), valueOrObject );\n\t}\n\n\tset( stylesObject, nameOrPath, valueToSet );\n}\n\n/**\n * A CSS style property descriptor that contains tuplet of two strings:\n *\n * - first string describes property name\n * - second string describes property value\n *\n *\t\tconst marginDescriptor = [ 'margin', '2px 3em' ];\n *\t\tconst marginTopDescriptor = [ 'margin-top', '2px' ];\n *\n * @typedef {Array.<String, String>} module:engine/view/stylesmap~PropertyDescriptor\n */\n\n/**\n * An object describing values associated with the sides of a box, for instance margins, paddings,\n * border widths, border colors, etc.\n *\n *\t\tconst margin = {\n *\t\t\ttop: '1px',\n *\t\t\tright: '3px',\n *\t\t\tbottom: '3px',\n *\t\t\tleft: '7px'\n *\t\t};\n *\n *\t\tconst borderColor = {\n *\t\t\ttop: 'red',\n *\t\t\tright: 'blue',\n *\t\t\tbottom: 'blue',\n *\t\t\tleft: 'red'\n *\t\t};\n *\n * @typedef {Object} module:engine/view/stylesmap~BoxSides\n *\n * @property {String} top Top side value.\n * @property {String} right Right side value.\n * @property {String} bottom Bottom side value.\n * @property {String} left Left side value.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/element\n */\n\nimport Node from './node';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\nimport Matcher from './matcher';\nimport StylesMap from './stylesmap';\n\n// @if CK_DEBUG_ENGINE // const { convertMapToTags } = require( '../dev-utils/utils' );\n\n/**\n * View element.\n *\n * The editing engine does not define a fixed semantics of its elements (it is \"DTD-free\").\n * This is why the type of the {@link module:engine/view/element~Element} need to\n * be defined by the feature developer. When creating an element you should use one of the following methods:\n *\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createContainerElement `downcastWriter#createContainerElement()`}\n * in order to create a {@link module:engine/view/containerelement~ContainerElement},\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createAttributeElement `downcastWriter#createAttributeElement()`}\n * in order to create a {@link module:engine/view/attributeelement~AttributeElement},\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createEmptyElement `downcastWriter#createEmptyElement()`}\n * in order to create a {@link module:engine/view/emptyelement~EmptyElement}.\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement `downcastWriter#createUIElement()`}\n * in order to create a {@link module:engine/view/uielement~UIElement}.\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createEditableElement `downcastWriter#createEditableElement()`}\n * in order to create a {@link module:engine/view/editableelement~EditableElement}.\n *\n * Note that for view elements which are not created from the model, like elements from mutations, paste or\n * {@link module:engine/controller/datacontroller~DataController#set data.set} it is not possible to define the type of the element.\n * In such cases the {@link module:engine/view/upcastwriter~UpcastWriter#createElement `UpcastWriter#createElement()`} method\n * should be used to create generic view elements.\n *\n * @extends module:engine/view/node~Node\n */\nexport default class Element extends Node {\n\t/**\n\t * Creates a view element.\n\t *\n\t * Attributes can be passed in various formats:\n\t *\n\t *\t\tnew Element( viewDocument, 'div', { class: 'editor', contentEditable: 'true' } ); // object\n\t *\t\tnew Element( viewDocument, 'div', [ [ 'class', 'editor' ], [ 'contentEditable', 'true' ] ] ); // map-like iterator\n\t *\t\tnew Element( viewDocument, 'div', mapOfAttributes ); // map\n\t *\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document );\n\n\t\t/**\n\t\t * Name of the element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * Map of attributes, where attributes names are keys and attributes values are values.\n\t\t *\n\t\t * @protected\n\t\t * @member {Map} #_attrs\n\t\t */\n\t\tthis._attrs = parseAttributes( attrs );\n\n\t\t/**\n\t\t * Array of child nodes.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array.<module:engine/view/node~Node>}\n\t\t */\n\t\tthis._children = [];\n\n\t\tif ( children ) {\n\t\t\tthis._insertChild( 0, children );\n\t\t}\n\n\t\t/**\n\t\t * Set of classes associated with element instance.\n\t\t *\n\t\t * @protected\n\t\t * @member {Set}\n\t\t */\n\t\tthis._classes = new Set();\n\n\t\tif ( this._attrs.has( 'class' ) ) {\n\t\t\t// Remove class attribute and handle it by class set.\n\t\t\tconst classString = this._attrs.get( 'class' );\n\t\t\tparseClasses( this._classes, classString );\n\t\t\tthis._attrs.delete( 'class' );\n\t\t}\n\n\t\t/**\n\t\t * Normalized styles.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/view/stylesmap~StylesMap} module:engine/view/element~Element#_styles\n\t\t */\n\t\tthis._styles = new StylesMap( this.document.stylesProcessor );\n\n\t\tif ( this._attrs.has( 'style' ) ) {\n\t\t\t// Remove style attribute and handle it by styles map.\n\t\t\tthis._styles.setTo( this._attrs.get( 'style' ) );\n\n\t\t\tthis._attrs.delete( 'style' );\n\t\t}\n\n\t\t/**\n\t\t * Map of custom properties.\n\t\t * Custom properties can be added to element instance, will be cloned but not rendered into DOM.\n\t\t *\n\t\t * @protected\n\t\t * @member {Map}\n\t\t */\n\t\tthis._customProperties = new Map();\n\t}\n\n\t/**\n\t * Number of element's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget childCount() {\n\t\treturn this._children.length;\n\t}\n\n\t/**\n\t * Is `true` if there are no nodes inside this element, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this._children.length === 0;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\telement.is( 'element' ); // -> true\n\t *\t\telement.is( 'node' ); // -> true\n\t *\t\telement.is( 'view:element' ); // -> true\n\t *\t\telement.is( 'view:node' ); // -> true\n\t *\n\t *\t\telement.is( 'model:element' ); // -> false\n\t *\t\telement.is( 'documentSelection' ); // -> false\n\t *\n\t * Assuming that the object being checked is an element, you can also check its\n\t * {@link module:engine/view/element~Element#name name}:\n\t *\n\t *\t\telement.is( 'element', 'img' ); // -> true if this is an <img> element\n\t *\t\ttext.is( 'element', 'img' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'element' || type === 'view:element' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && ( type === 'element' || type === 'view:element' );\n\t\t}\n\t}\n\n\t/**\n\t * Gets child at the given index.\n\t *\n\t * @param {Number} index Index of child.\n\t * @returns {module:engine/view/node~Node} Child node.\n\t */\n\tgetChild( index ) {\n\t\treturn this._children[ index ];\n\t}\n\n\t/**\n\t * Gets index of the given child node. Returns `-1` if child node is not found.\n\t *\n\t * @param {module:engine/view/node~Node} node Child node.\n\t * @returns {Number} Index of the child node.\n\t */\n\tgetChildIndex( node ) {\n\t\treturn this._children.indexOf( node );\n\t}\n\n\t/**\n\t * Gets child nodes iterator.\n\t *\n\t * @returns {Iterable.<module:engine/view/node~Node>} Child nodes iterator.\n\t */\n\tgetChildren() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Returns an iterator that contains the keys for attributes. Order of inserting attributes is not preserved.\n\t *\n\t * @returns {Iterable.<String>} Keys for attributes.\n\t */\n\t* getAttributeKeys() {\n\t\tif ( this._classes.size > 0 ) {\n\t\t\tyield 'class';\n\t\t}\n\n\t\tif ( !this._styles.isEmpty ) {\n\t\t\tyield 'style';\n\t\t}\n\n\t\tyield* this._attrs.keys();\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this element's attributes.\n\t *\n\t * Attributes are returned as arrays containing two items. First one is attribute key and second is attribute value.\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\t* getAttributes() {\n\t\tyield* this._attrs.entries();\n\n\t\tif ( this._classes.size > 0 ) {\n\t\t\tyield [ 'class', this.getAttribute( 'class' ) ];\n\t\t}\n\n\t\tif ( !this._styles.isEmpty ) {\n\t\t\tyield [ 'style', this.getAttribute( 'style' ) ];\n\t\t}\n\t}\n\n\t/**\n\t * Gets attribute by key. If attribute is not present - returns undefined.\n\t *\n\t * @param {String} key Attribute key.\n\t * @returns {String|undefined} Attribute value.\n\t */\n\tgetAttribute( key ) {\n\t\tif ( key == 'class' ) {\n\t\t\tif ( this._classes.size > 0 ) {\n\t\t\t\treturn [ ...this._classes ].join( ' ' );\n\t\t\t}\n\n\t\t\treturn undefined;\n\t\t}\n\n\t\tif ( key == 'style' ) {\n\t\t\tconst inlineStyle = this._styles.toString();\n\n\t\t\treturn inlineStyle == '' ? undefined : inlineStyle;\n\t\t}\n\n\t\treturn this._attrs.get( key );\n\t}\n\n\t/**\n\t * Returns a boolean indicating whether an attribute with the specified key exists in the element.\n\t *\n\t * @param {String} key Attribute key.\n\t * @returns {Boolean} `true` if attribute with the specified key exists in the element, false otherwise.\n\t */\n\thasAttribute( key ) {\n\t\tif ( key == 'class' ) {\n\t\t\treturn this._classes.size > 0;\n\t\t}\n\n\t\tif ( key == 'style' ) {\n\t\t\treturn !this._styles.isEmpty;\n\t\t}\n\n\t\treturn this._attrs.has( key );\n\t}\n\n\t/**\n\t * Checks if this element is similar to other element.\n\t * Both elements should have the same name and attributes to be considered as similar. Two similar elements\n\t * can contain different set of children nodes.\n\t *\n\t * @param {module:engine/view/element~Element} otherElement\n\t * @returns {Boolean}\n\t */\n\tisSimilar( otherElement ) {\n\t\tif ( !( otherElement instanceof Element ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// If exactly the same Element is provided - return true immediately.\n\t\tif ( this === otherElement ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Check element name.\n\t\tif ( this.name != otherElement.name ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check number of attributes, classes and styles.\n\t\tif ( this._attrs.size !== otherElement._attrs.size || this._classes.size !== otherElement._classes.size ||\n\t\t\tthis._styles.size !== otherElement._styles.size ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check if attributes are the same.\n\t\tfor ( const [ key, value ] of this._attrs ) {\n\t\t\tif ( !otherElement._attrs.has( key ) || otherElement._attrs.get( key ) !== value ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Check if classes are the same.\n\t\tfor ( const className of this._classes ) {\n\t\t\tif ( !otherElement._classes.has( className ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Check if styles are the same.\n\t\tfor ( const property of this._styles.getStyleNames() ) {\n\t\t\tif (\n\t\t\t\t!otherElement._styles.has( property ) ||\n\t\t\t\totherElement._styles.getAsString( property ) !== this._styles.getAsString( property )\n\t\t\t) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns true if class is present.\n\t * If more then one class is provided - returns true only when all classes are present.\n\t *\n\t *\t\telement.hasClass( 'foo' ); // Returns true if 'foo' class is present.\n\t *\t\telement.hasClass( 'foo', 'bar' ); // Returns true if 'foo' and 'bar' classes are both present.\n\t *\n\t * @param {...String} className\n\t */\n\thasClass( ...className ) {\n\t\tfor ( const name of className ) {\n\t\t\tif ( !this._classes.has( name ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns iterator that contains all class names.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetClassNames() {\n\t\treturn this._classes.keys();\n\t}\n\n\t/**\n\t * Returns style value for the given property mae.\n\t * If the style does not exist `undefined` is returned.\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#getAsString `StylesMap#getAsString()`} for details.\n\t *\n\t * For an element with style set to `'margin:1px'`:\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tconst element = view.change( writer => {\n\t *\t\t\tconst element = writer.createElement();\n\t *\t\t\twriter.setStyle( 'margin', '1px' );\n\t *\t\t\twriter.setStyle( 'margin-bottom', '3em' );\n\t *\n\t *\t\t\treturn element;\n\t *\t\t} );\n\t *\n\t *\t\telement.getStyle( 'margin' ); // -> 'margin: 1px 1px 3em;'\n\t *\n\t * @param {String} property\n\t * @returns {String|undefined}\n\t */\n\tgetStyle( property ) {\n\t\treturn this._styles.getAsString( property );\n\t}\n\n\t/**\n\t * Returns a normalized style object or single style value.\n\t *\n\t * For an element with style set to: margin:1px 2px 3em;\n\t *\n\t *\t\telement.getNormalizedStyle( 'margin' ) );\n\t *\n\t * will return:\n\t *\n\t *\t\t{\n\t *\t\t\ttop: '1px',\n\t *\t\t\tright: '2px',\n\t *\t\t\tbottom: '3em',\n\t *\t\t\tleft: '2px'    // a normalized value from margin shorthand\n\t *\t\t}\n\t *\n\t * and reading for single style value:\n\t *\n\t *\t\tstyles.getNormalizedStyle( 'margin-left' );\n\t *\n\t * Will return a `2px` string.\n\t *\n\t * **Note**: This method will return normalized values only if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#getNormalized `StylesMap#getNormalized()`} for details.\n\t *\n\t *\n\t * @param {String} property Name of CSS property\n\t * @returns {Object|String|undefined}\n\t */\n\tgetNormalizedStyle( property ) {\n\t\treturn this._styles.getNormalized( property );\n\t}\n\n\t/**\n\t * Returns iterator that contains all style names.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetStyleNames() {\n\t\treturn this._styles.getStyleNames();\n\t}\n\n\t/**\n\t * Returns true if style keys are present.\n\t * If more then one style property is provided - returns true only when all properties are present.\n\t *\n\t *\t\telement.hasStyle( 'color' ); // Returns true if 'border-top' style is present.\n\t *\t\telement.hasStyle( 'color', 'border-top' ); // Returns true if 'color' and 'border-top' styles are both present.\n\t *\n\t * @param {...String} property\n\t */\n\thasStyle( ...property ) {\n\t\tfor ( const name of property ) {\n\t\t\tif ( !this._styles.has( name ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns ancestor element that match specified pattern.\n\t * Provided patterns should be compatible with {@link module:engine/view/matcher~Matcher Matcher} as it is used internally.\n\t *\n\t * @see module:engine/view/matcher~Matcher\n\t * @param {Object|String|RegExp|Function} patterns Patterns used to match correct ancestor.\n\t * See {@link module:engine/view/matcher~Matcher}.\n\t * @returns {module:engine/view/element~Element|null} Found element or `null` if no matching ancestor was found.\n\t */\n\tfindAncestor( ...patterns ) {\n\t\tconst matcher = new Matcher( ...patterns );\n\t\tlet parent = this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tif ( matcher.match( parent ) ) {\n\t\t\t\treturn parent;\n\t\t\t}\n\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns the custom property value for the given key.\n\t *\n\t * @param {String|Symbol} key\n\t * @returns {*}\n\t */\n\tgetCustomProperty( key ) {\n\t\treturn this._customProperties.get( key );\n\t}\n\n\t/**\n\t * Returns an iterator which iterates over this element's custom properties.\n\t * Iterator provides `[ key, value ]` pairs for each stored property.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\t* getCustomProperties() {\n\t\tyield* this._customProperties.entries();\n\t}\n\n\t/**\n\t * Returns identity string based on element's name, styles, classes and other attributes.\n\t * Two elements that {@link #isSimilar are similar} will have same identity string.\n\t * It has the following format:\n\t *\n\t *\t\t'name class=\"class1,class2\" style=\"style1:value1;style2:value2\" attr1=\"val1\" attr2=\"val2\"'\n \t *\n\t * For example:\n\t *\n\t *\t\tconst element = writer.createContainerElement( 'foo', {\n\t *\t\t\tbanana: '10',\n\t *\t\t\tapple: '20',\n\t *\t\t\tstyle: 'color: red; border-color: white;',\n\t *\t\t\tclass: 'baz'\n\t *\t\t} );\n\t *\n\t *\t\t// returns 'foo class=\"baz\" style=\"border-color:white;color:red\" apple=\"20\" banana=\"10\"'\n\t *\t\telement.getIdentity();\n\t *\n\t * **Note**: Classes, styles and other attributes are sorted alphabetically.\n\t *\n\t * @returns {String}\n\t */\n\tgetIdentity() {\n\t\tconst classes = Array.from( this._classes ).sort().join( ',' );\n\t\tconst styles = this._styles.toString();\n\t\tconst attributes = Array.from( this._attrs ).map( i => `${ i[ 0 ] }=\"${ i[ 1 ] }\"` ).sort().join( ' ' );\n\n\t\treturn this.name +\n\t\t\t( classes == '' ? '' : ` class=\"${ classes }\"` ) +\n\t\t\t( !styles ? '' : ` style=\"${ styles }\"` ) +\n\t\t\t( attributes == '' ? '' : ` ${ attributes }` );\n\t}\n\n\t/**\n\t * Clones provided element.\n\t *\n\t * @protected\n\t * @param {Boolean} [deep=false] If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any children.\n\t * @returns {module:engine/view/element~Element} Clone of this element.\n\t */\n\t_clone( deep = false ) {\n\t\tconst childrenClone = [];\n\n\t\tif ( deep ) {\n\t\t\tfor ( const child of this.getChildren() ) {\n\t\t\t\tchildrenClone.push( child._clone( deep ) );\n\t\t\t}\n\t\t}\n\n\t\t// ContainerElement and AttributeElement should be also cloned properly.\n\t\tconst cloned = new this.constructor( this.document, this.name, this._attrs, childrenClone );\n\n\t\t// Classes and styles are cloned separately - this solution is faster than adding them back to attributes and\n\t\t// parse once again in constructor.\n\t\tcloned._classes = new Set( this._classes );\n\t\tcloned._styles.set( this._styles.getNormalized() );\n\n\t\t// Clone custom properties.\n\t\tcloned._customProperties = new Map( this._customProperties );\n\n\t\t// Clone filler offset method.\n\t\t// We can't define this method in a prototype because it's behavior which\n\t\t// is changed by e.g. toWidget() function from ckeditor5-widget. Perhaps this should be one of custom props.\n\t\tcloned.getFillerOffset = this.getFillerOffset;\n\n\t\treturn cloned;\n\t}\n\n\t/**\n\t * {@link module:engine/view/element~Element#_insertChild Insert} a child node or a list of child nodes at the end of this node\n\t * and sets the parent of these nodes to this element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#insert\n\t * @protected\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @fires module:engine/view/node~Node#change\n\t * @returns {Number} Number of appended nodes.\n\t */\n\t_appendChild( items ) {\n\t\treturn this._insertChild( this.childCount, items );\n\t}\n\n\t/**\n\t * Inserts a child node or a list of child nodes on the given index and sets the parent of these nodes to\n\t * this element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#insert\n\t * @protected\n\t * @param {Number} index Position where nodes should be inserted.\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @fires module:engine/view/node~Node#change\n\t * @returns {Number} Number of inserted nodes.\n\t */\n\t_insertChild( index, items ) {\n\t\tthis._fireChange( 'children', this );\n\t\tlet count = 0;\n\n\t\tconst nodes = normalize( this.document, items );\n\n\t\tfor ( const node of nodes ) {\n\t\t\t// If node that is being added to this element is already inside another element, first remove it from the old parent.\n\t\t\tif ( node.parent !== null ) {\n\t\t\t\tnode._remove();\n\t\t\t}\n\n\t\t\tnode.parent = this;\n\t\t\tnode.document = this.document;\n\n\t\t\tthis._children.splice( index, 0, node );\n\t\t\tindex++;\n\t\t\tcount++;\n\t\t}\n\n\t\treturn count;\n\t}\n\n\t/**\n\t * Removes number of child nodes starting at the given index and set the parent of these nodes to `null`.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#remove\n\t * @protected\n\t * @param {Number} index Number of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @fires module:engine/view/node~Node#change\n\t * @returns {Array.<module:engine/view/node~Node>} The array of removed nodes.\n\t */\n\t_removeChildren( index, howMany = 1 ) {\n\t\tthis._fireChange( 'children', this );\n\n\t\tfor ( let i = index; i < index + howMany; i++ ) {\n\t\t\tthis._children[ i ].parent = null;\n\t\t}\n\n\t\treturn this._children.splice( index, howMany );\n\t}\n\n\t/**\n\t * Adds or overwrite attribute with a specified key and value.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#setAttribute\n\t * @protected\n\t * @param {String} key Attribute key.\n\t * @param {String} value Attribute value.\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_setAttribute( key, value ) {\n\t\tvalue = String( value );\n\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tif ( key == 'class' ) {\n\t\t\tparseClasses( this._classes, value );\n\t\t} else if ( key == 'style' ) {\n\t\t\tthis._styles.setTo( value );\n\t\t} else {\n\t\t\tthis._attrs.set( key, value );\n\t\t}\n\t}\n\n\t/**\n\t * Removes attribute from the element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#removeAttribute\n\t * @protected\n\t * @param {String} key Attribute key.\n\t * @returns {Boolean} Returns true if an attribute existed and has been removed.\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_removeAttribute( key ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\t// Remove class attribute.\n\t\tif ( key == 'class' ) {\n\t\t\tif ( this._classes.size > 0 ) {\n\t\t\t\tthis._classes.clear();\n\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\treturn false;\n\t\t}\n\n\t\t// Remove style attribute.\n\t\tif ( key == 'style' ) {\n\t\t\tif ( !this._styles.isEmpty ) {\n\t\t\t\tthis._styles.clear();\n\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\treturn false;\n\t\t}\n\n\t\t// Remove other attributes.\n\t\treturn this._attrs.delete( key );\n\t}\n\n\t/**\n\t * Adds specified class.\n\t *\n\t *\t\telement._addClass( 'foo' ); // Adds 'foo' class.\n\t *\t\telement._addClass( [ 'foo', 'bar' ] ); // Adds 'foo' and 'bar' classes.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#addClass\n\t * @protected\n\t * @param {Array.<String>|String} className\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_addClass( className ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tfor ( const name of toArray( className ) ) {\n\t\t\tthis._classes.add( name );\n\t\t}\n\t}\n\n\t/**\n\t * Removes specified class.\n\t *\n\t *\t\telement._removeClass( 'foo' );  // Removes 'foo' class.\n\t *\t\telement._removeClass( [ 'foo', 'bar' ] ); // Removes both 'foo' and 'bar' classes.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#removeClass\n\t * @protected\n\t * @param {Array.<String>|String} className\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_removeClass( className ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tfor ( const name of toArray( className ) ) {\n\t\t\tthis._classes.delete( name );\n\t\t}\n\t}\n\n\t/**\n\t * Adds style to the element.\n\t *\n\t *\t\telement._setStyle( 'color', 'red' );\n\t *\t\telement._setStyle( {\n\t *\t\t\tcolor: 'red',\n\t *\t\t\tposition: 'fixed'\n\t *\t\t} );\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#set `StylesMap#set()`} for details.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#setStyle\n\t * @protected\n\t * @param {String|Object} property Property name or object with key - value pairs.\n\t * @param {String} [value] Value to set. This parameter is ignored if object is provided as the first parameter.\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_setStyle( property, value ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tthis._styles.set( property, value );\n\t}\n\n\t/**\n\t * Removes specified style.\n\t *\n\t *\t\telement._removeStyle( 'color' );  // Removes 'color' style.\n\t *\t\telement._removeStyle( [ 'color', 'border-top' ] ); // Removes both 'color' and 'border-top' styles.\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#remove `StylesMap#remove()`} for details.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#removeStyle\n\t * @protected\n\t * @param {Array.<String>|String} property\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_removeStyle( property ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tfor ( const name of toArray( property ) ) {\n\t\t\tthis._styles.remove( name );\n\t\t}\n\t}\n\n\t/**\n\t * Sets a custom property. Unlike attributes, custom properties are not rendered to the DOM,\n\t * so they can be used to add special data to elements.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#setCustomProperty\n\t * @protected\n\t * @param {String|Symbol} key\n\t * @param {*} value\n\t */\n\t_setCustomProperty( key, value ) {\n\t\tthis._customProperties.set( key, value );\n\t}\n\n\t/**\n\t * Removes the custom property stored under the given key.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#removeCustomProperty\n\t * @protected\n\t * @param {String|Symbol} key\n\t * @returns {Boolean} Returns true if property was removed.\n\t */\n\t_removeCustomProperty( key ) {\n\t\treturn this._customProperties.delete( key );\n\t}\n\n\t/**\n\t * Returns block {@link module:engine/view/filler filler} offset or `null` if block filler is not needed.\n\t *\n\t * @abstract\n\t * @method module:engine/view/element~Element#getFillerOffset\n\t */\n\n\t// @if CK_DEBUG_ENGINE // printTree( level = 0) {\n\t// @if CK_DEBUG_ENGINE // \tlet string = '';\n\n\t// @if CK_DEBUG_ENGINE //\tstring += '\\t'.repeat( level ) + `<${ this.name }${ convertMapToTags( this.getAttributes() ) }>`;\n\n\t// @if CK_DEBUG_ENGINE //\tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE //\t\tif ( child.is( '$text' ) ) {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\n' + '\\t'.repeat( level + 1 ) + child.data;\n\t// @if CK_DEBUG_ENGINE //\t\t} else {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\n' + child.printTree( level + 1 );\n\t// @if CK_DEBUG_ENGINE //\t\t}\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\tif ( this.childCount ) {\n\t// @if CK_DEBUG_ENGINE //\t\tstring += '\\n' + '\\t'.repeat( level );\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\tstring += `</${ this.name }>`;\n\n\t// @if CK_DEBUG_ENGINE //\treturn string;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logTree() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.printTree() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n// Parses attributes provided to the element constructor before they are applied to an element. If attributes are passed\n// as an object (instead of `Iterable`), the object is transformed to the map. Attributes with `null` value are removed.\n// Attributes with non-`String` value are converted to `String`.\n//\n// @param {Object|Iterable} attrs Attributes to parse.\n// @returns {Map} Parsed attributes.\nfunction parseAttributes( attrs ) {\n\tattrs = toMap( attrs );\n\n\tfor ( const [ key, value ] of attrs ) {\n\t\tif ( value === null ) {\n\t\t\tattrs.delete( key );\n\t\t} else if ( typeof value != 'string' ) {\n\t\t\tattrs.set( key, String( value ) );\n\t\t}\n\t}\n\n\treturn attrs;\n}\n\n// Parses class attribute and puts all classes into classes set.\n// Classes set s cleared before insertion.\n//\n// @param {Set.<String>} classesSet Set to insert parsed classes.\n// @param {String} classesString String with classes to parse.\nfunction parseClasses( classesSet, classesString ) {\n\tconst classArray = classesString.split( /\\s+/ );\n\tclassesSet.clear();\n\tclassArray.forEach( name => classesSet.add( name ) );\n}\n\n// Converts strings to Text and non-iterables to arrays.\n//\n// @param {String|module:engine/view/item~Item|Iterable.<String|module:engine/view/item~Item>}\n// @returns {Iterable.<module:engine/view/node~Node>}\nfunction normalize( document, nodes ) {\n\t// Separate condition because string is iterable.\n\tif ( typeof nodes == 'string' ) {\n\t\treturn [ new Text( document, nodes ) ];\n\t}\n\n\tif ( !isIterable( nodes ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Array.from to enable .map() on non-arrays.\n\treturn Array.from( nodes )\n\t\t.map( node => {\n\t\t\tif ( typeof node == 'string' ) {\n\t\t\t\treturn new Text( document, node );\n\t\t\t}\n\n\t\t\tif ( node instanceof TextProxy ) {\n\t\t\t\treturn new Text( document, node.data );\n\t\t\t}\n\n\t\t\treturn node;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/containerelement\n */\n\nimport Element from './element';\n\n/**\n * Containers are elements which define document structure. They define boundaries for\n * {@link module:engine/view/attributeelement~AttributeElement attributes}. They are mostly used for block elements like `<p>` or `<div>`.\n *\n * Editing engine does not define a fixed HTML DTD. This is why a feature developer needs to choose between various\n * types (container element, {@link module:engine/view/attributeelement~AttributeElement attribute element},\n * {@link module:engine/view/emptyelement~EmptyElement empty element}, etc) when developing a feature.\n *\n * The container element should be your default choice when writing a converter, unless:\n *\n * * this element represents a model text attribute (then use {@link module:engine/view/attributeelement~AttributeElement}),\n * * this is an empty element like `<img>` (then use {@link module:engine/view/emptyelement~EmptyElement}),\n * * this is a root element,\n * * this is a nested editable element (then use  {@link module:engine/view/editableelement~EditableElement}).\n *\n * To create a new container element instance use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createContainerElement `DowncastWriter#createContainerElement()`}\n * method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class ContainerElement extends Element {\n\t/**\n\t * Creates a container element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createContainerElement\n\t * @see module:engine/view/element~Element\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t/**\n\t\t * Returns block {@link module:engine/view/filler filler} offset or `null` if block filler is not needed.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {Number|null} Block filler offset or `null` if block filler is not needed.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tcontainerElement.is( 'containerElement' ); // -> true\n\t *\t\tcontainerElement.is( 'element' ); // -> true\n\t *\t\tcontainerElement.is( 'node' ); // -> true\n\t *\t\tcontainerElement.is( 'view:containerElement' ); // -> true\n\t *\t\tcontainerElement.is( 'view:element' ); // -> true\n\t *\t\tcontainerElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\tcontainerElement.is( 'model:element' ); // -> false\n\t *\t\tcontainerElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is a container element, you can also check its\n\t * {@link module:engine/view/containerelement~ContainerElement#name name}:\n\t *\n\t *\t\tcontainerElement.is( 'element', 'div' ); // -> true if this is a div container element\n\t *\t\tcontainerElement.is( 'contaienrElement', 'div' ); // -> same as above\n\t *\t\ttext.is( 'element', 'div' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n}\n\n/**\n * Returns block {@link module:engine/view/filler filler} offset or `null` if block filler is not needed.\n *\n * @returns {Number|null} Block filler offset or `null` if block filler is not needed.\n */\nexport function getFillerOffset() {\n\tconst children = [ ...this.getChildren() ];\n\tconst lastChild = children[ this.childCount - 1 ];\n\n\t// Block filler is required after a `<br>` if it's the last element in its container. See #1422.\n\tif ( lastChild && lastChild.is( 'element', 'br' ) ) {\n\t\treturn this.childCount;\n\t}\n\n\tfor ( const child of children ) {\n\t\t// If there's any non-UI element – don't render the bogus.\n\t\tif ( !child.is( 'uiElement' ) ) {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\t// If there are only UI elements – render the bogus at the end of the element.\n\treturn this.childCount;\n}\n","import copyObject from './_copyObject.js';\nimport createAssigner from './_createAssigner.js';\nimport keysIn from './keysIn.js';\n\n/**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n * }\n *\n * function Bar() {\n *   this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\nvar assignIn = createAssigner(function(object, source) {\n  copyObject(source, keysIn(source), object);\n});\n\nexport default assignIn;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/observablemixin\n */\n\nimport EmitterMixin from './emittermixin';\nimport CKEditorError from './ckeditorerror';\nimport { extend, isObject } from 'lodash-es';\n\nconst observablePropertiesSymbol = Symbol( 'observableProperties' );\nconst boundObservablesSymbol = Symbol( 'boundObservables' );\nconst boundPropertiesSymbol = Symbol( 'boundProperties' );\n\n/**\n * A mixin that injects the \"observable properties\" and data binding functionality described in the\n * {@link ~Observable} interface.\n *\n * Read more about the concept of observables in the:\n * * {@glink framework/guides/architecture/core-editor-architecture#event-system-and-observables \"Event system and observables\"}\n * section of the {@glink framework/guides/architecture/core-editor-architecture \"Core editor architecture\"} guide,\n * * {@glink framework/guides/deep-dive/observables \"Observables\" deep dive} guide.\n *\n * @mixin ObservableMixin\n * @mixes module:utils/emittermixin~EmitterMixin\n * @implements module:utils/observablemixin~Observable\n */\nconst ObservableMixin = {\n\t/**\n\t * @inheritDoc\n\t */\n\tset( name, value ) {\n\t\t// If the first parameter is an Object, iterate over its properties.\n\t\tif ( isObject( name ) ) {\n\t\t\tObject.keys( name ).forEach( property => {\n\t\t\t\tthis.set( property, name[ property ] );\n\t\t\t}, this );\n\n\t\t\treturn;\n\t\t}\n\n\t\tinitObservable( this );\n\n\t\tconst properties = this[ observablePropertiesSymbol ];\n\n\t\tif ( ( name in this ) && !properties.has( name ) ) {\n\t\t\t/**\n\t\t\t * Cannot override an existing property.\n\t\t\t *\n\t\t\t * This error is thrown when trying to {@link ~Observable#set set} a property with\n\t\t\t * a name of an already existing property. For example:\n\t\t\t *\n\t\t\t *\t\tlet observable = new Model();\n\t\t\t *\t\tobservable.property = 1;\n\t\t\t *\t\tobservable.set( 'property', 2 );\t\t\t// throws\n\t\t\t *\n\t\t\t *\t\tobservable.set( 'property', 1 );\n\t\t\t *\t\tobservable.set( 'property', 2 );\t\t\t// ok, because this is an existing property.\n\t\t\t *\n\t\t\t * @error observable-set-cannot-override\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'observable-set-cannot-override', this );\n\t\t}\n\n\t\tObject.defineProperty( this, name, {\n\t\t\tenumerable: true,\n\t\t\tconfigurable: true,\n\n\t\t\tget() {\n\t\t\t\treturn properties.get( name );\n\t\t\t},\n\n\t\t\tset( value ) {\n\t\t\t\tconst oldValue = properties.get( name );\n\n\t\t\t\t// Fire `set` event before the new value will be set to make it possible\n\t\t\t\t// to override observable property without affecting `change` event.\n\t\t\t\t// See https://github.com/ckeditor/ckeditor5-utils/issues/171.\n\t\t\t\tlet newValue = this.fire( 'set:' + name, name, value, oldValue );\n\n\t\t\t\tif ( newValue === undefined ) {\n\t\t\t\t\tnewValue = value;\n\t\t\t\t}\n\n\t\t\t\t// Allow undefined as an initial value like A.define( 'x', undefined ) (#132).\n\t\t\t\t// Note: When properties map has no such own property, then its value is undefined.\n\t\t\t\tif ( oldValue !== newValue || !properties.has( name ) ) {\n\t\t\t\t\tproperties.set( name, newValue );\n\t\t\t\t\tthis.fire( 'change:' + name, name, newValue, oldValue );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\tthis[ name ] = value;\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tbind( ...bindProperties ) {\n\t\tif ( !bindProperties.length || !isStringArray( bindProperties ) ) {\n\t\t\t/**\n\t\t\t * All properties must be strings.\n\t\t\t *\n\t\t\t * @error observable-bind-wrong-properties\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'observable-bind-wrong-properties', this );\n\t\t}\n\n\t\tif ( ( new Set( bindProperties ) ).size !== bindProperties.length ) {\n\t\t\t/**\n\t\t\t * Properties must be unique.\n\t\t\t *\n\t\t\t * @error observable-bind-duplicate-properties\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'observable-bind-duplicate-properties', this );\n\t\t}\n\n\t\tinitObservable( this );\n\n\t\tconst boundProperties = this[ boundPropertiesSymbol ];\n\n\t\tbindProperties.forEach( propertyName => {\n\t\t\tif ( boundProperties.has( propertyName ) ) {\n\t\t\t\t/**\n\t\t\t\t * Cannot bind the same property more than once.\n\t\t\t\t *\n\t\t\t\t * @error observable-bind-rebind\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'observable-bind-rebind', this );\n\t\t\t}\n\t\t} );\n\n\t\tconst bindings = new Map();\n\n\t\t// @typedef {Object} Binding\n\t\t// @property {Array} property Property which is bound.\n\t\t// @property {Array} to Array of observable–property components of the binding (`{ observable: ..., property: .. }`).\n\t\t// @property {Array} callback A function which processes `to` components.\n\t\tbindProperties.forEach( a => {\n\t\t\tconst binding = { property: a, to: [] };\n\n\t\t\tboundProperties.set( a, binding );\n\t\t\tbindings.set( a, binding );\n\t\t} );\n\n\t\t// @typedef {Object} BindChain\n\t\t// @property {Function} to See {@link ~ObservableMixin#_bindTo}.\n\t\t// @property {Function} toMany See {@link ~ObservableMixin#_bindToMany}.\n\t\t// @property {module:utils/observablemixin~Observable} _observable The observable which initializes the binding.\n\t\t// @property {Array} _bindProperties Array of `_observable` properties to be bound.\n\t\t// @property {Array} _to Array of `to()` observable–properties (`{ observable: toObservable, properties: ...toProperties }`).\n\t\t// @property {Map} _bindings Stores bindings to be kept in\n\t\t// {@link ~ObservableMixin#_boundProperties}/{@link ~ObservableMixin#_boundObservables}\n\t\t// initiated in this binding chain.\n\t\treturn {\n\t\t\tto: bindTo,\n\t\t\ttoMany: bindToMany,\n\n\t\t\t_observable: this,\n\t\t\t_bindProperties: bindProperties,\n\t\t\t_to: [],\n\t\t\t_bindings: bindings\n\t\t};\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tunbind( ...unbindProperties ) {\n\t\t// Nothing to do here if not inited yet.\n\t\tif ( !( this[ observablePropertiesSymbol ] ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst boundProperties = this[ boundPropertiesSymbol ];\n\t\tconst boundObservables = this[ boundObservablesSymbol ];\n\n\t\tif ( unbindProperties.length ) {\n\t\t\tif ( !isStringArray( unbindProperties ) ) {\n\t\t\t\t/**\n\t\t\t\t * Properties must be strings.\n\t\t\t\t *\n\t\t\t\t * @error observable-unbind-wrong-properties\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'observable-unbind-wrong-properties', this );\n\t\t\t}\n\n\t\t\tunbindProperties.forEach( propertyName => {\n\t\t\t\tconst binding = boundProperties.get( propertyName );\n\n\t\t\t\t// Nothing to do if the binding is not defined\n\t\t\t\tif ( !binding ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tlet toObservable, toProperty, toProperties, toPropertyBindings;\n\n\t\t\t\tbinding.to.forEach( to => {\n\t\t\t\t\t// TODO: ES6 destructuring.\n\t\t\t\t\ttoObservable = to[ 0 ];\n\t\t\t\t\ttoProperty = to[ 1 ];\n\t\t\t\t\ttoProperties = boundObservables.get( toObservable );\n\t\t\t\t\ttoPropertyBindings = toProperties[ toProperty ];\n\n\t\t\t\t\ttoPropertyBindings.delete( binding );\n\n\t\t\t\t\tif ( !toPropertyBindings.size ) {\n\t\t\t\t\t\tdelete toProperties[ toProperty ];\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( !Object.keys( toProperties ).length ) {\n\t\t\t\t\t\tboundObservables.delete( toObservable );\n\t\t\t\t\t\tthis.stopListening( toObservable, 'change' );\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\t\tboundProperties.delete( propertyName );\n\t\t\t} );\n\t\t} else {\n\t\t\tboundObservables.forEach( ( bindings, boundObservable ) => {\n\t\t\t\tthis.stopListening( boundObservable, 'change' );\n\t\t\t} );\n\n\t\t\tboundObservables.clear();\n\t\t\tboundProperties.clear();\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdecorate( methodName ) {\n\t\tconst originalMethod = this[ methodName ];\n\n\t\tif ( !originalMethod ) {\n\t\t\t/**\n\t\t\t * Cannot decorate an undefined method.\n\t\t\t *\n\t\t\t * @error observablemixin-cannot-decorate-undefined\n\t\t\t * @param {Object} object The object which method should be decorated.\n\t\t\t * @param {String} methodName Name of the method which does not exist.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'observablemixin-cannot-decorate-undefined',\n\t\t\t\tthis,\n\t\t\t\t{ object: this, methodName }\n\t\t\t);\n\t\t}\n\n\t\tthis.on( methodName, ( evt, args ) => {\n\t\t\tevt.return = originalMethod.apply( this, args );\n\t\t} );\n\n\t\tthis[ methodName ] = function( ...args ) {\n\t\t\treturn this.fire( methodName, args );\n\t\t};\n\t}\n};\n\nextend( ObservableMixin, EmitterMixin );\n\nexport default ObservableMixin;\n\n// Init symbol properties needed for the observable mechanism to work.\n//\n// @private\n// @param {module:utils/observablemixin~ObservableMixin} observable\nfunction initObservable( observable ) {\n\t// Do nothing if already inited.\n\tif ( observable[ observablePropertiesSymbol ] ) {\n\t\treturn;\n\t}\n\n\t// The internal hash containing the observable's state.\n\t//\n\t// @private\n\t// @type {Map}\n\tObject.defineProperty( observable, observablePropertiesSymbol, {\n\t\tvalue: new Map()\n\t} );\n\n\t// Map containing bindings to external observables. It shares the binding objects\n\t// (`{ observable: A, property: 'a', to: ... }`) with {@link module:utils/observablemixin~ObservableMixin#_boundProperties} and\n\t// it is used to observe external observables to update own properties accordingly.\n\t// See {@link module:utils/observablemixin~ObservableMixin#bind}.\n\t//\n\t//\t\tA.bind( 'a', 'b', 'c' ).to( B, 'x', 'y', 'x' );\n\t//\t\tconsole.log( A._boundObservables );\n\t//\n\t//\t\t\tMap( {\n\t//\t\t\t\tB: {\n\t//\t\t\t\t\tx: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'a', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\t\t\t{ observable: A, property: 'c', to: [ [ B, 'x' ] ] }\n\t//\t\t\t\t\t] ),\n\t//\t\t\t\t\ty: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n\t//\t\t\t\t\t] )\n\t//\t\t\t\t}\n\t//\t\t\t} )\n\t//\n\t//\t\tA.bind( 'd' ).to( B, 'z' ).to( C, 'w' ).as( callback );\n\t//\t\tconsole.log( A._boundObservables );\n\t//\n\t//\t\t\tMap( {\n\t//\t\t\t\tB: {\n\t//\t\t\t\t\tx: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'a', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\t\t\t{ observable: A, property: 'c', to: [ [ B, 'x' ] ] }\n\t//\t\t\t\t\t] ),\n\t//\t\t\t\t\ty: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n\t//\t\t\t\t\t] ),\n\t//\t\t\t\t\tz: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'd', to: [ [ B, 'z' ], [ C, 'w' ] ], callback: callback }\n\t//\t\t\t\t\t] )\n\t//\t\t\t\t},\n\t//\t\t\t\tC: {\n\t//\t\t\t\t\tw: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'd', to: [ [ B, 'z' ], [ C, 'w' ] ], callback: callback }\n\t//\t\t\t\t\t] )\n\t//\t\t\t\t}\n\t//\t\t\t} )\n\t//\n\t// @private\n\t// @type {Map}\n\tObject.defineProperty( observable, boundObservablesSymbol, {\n\t\tvalue: new Map()\n\t} );\n\n\t// Object that stores which properties of this observable are bound and how. It shares\n\t// the binding objects (`{ observable: A, property: 'a', to: ... }`) with\n\t// {@link module:utils/observablemixin~ObservableMixin#_boundObservables}. This data structure is\n\t// a reverse of {@link module:utils/observablemixin~ObservableMixin#_boundObservables} and it is helpful for\n\t// {@link module:utils/observablemixin~ObservableMixin#unbind}.\n\t//\n\t// See {@link module:utils/observablemixin~ObservableMixin#bind}.\n\t//\n\t//\t\tA.bind( 'a', 'b', 'c' ).to( B, 'x', 'y', 'x' );\n\t//\t\tconsole.log( A._boundProperties );\n\t//\n\t//\t\t\tMap( {\n\t//\t\t\t\ta: { observable: A, property: 'a', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\tb: { observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n\t//\t\t\t\tc: { observable: A, property: 'c', to: [ [ B, 'x' ] ] }\n\t//\t\t\t} )\n\t//\n\t//\t\tA.bind( 'd' ).to( B, 'z' ).to( C, 'w' ).as( callback );\n\t//\t\tconsole.log( A._boundProperties );\n\t//\n\t//\t\t\tMap( {\n\t//\t\t\t\ta: { observable: A, property: 'a', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\tb: { observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n\t//\t\t\t\tc: { observable: A, property: 'c', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\td: { observable: A, property: 'd', to: [ [ B, 'z' ], [ C, 'w' ] ], callback: callback }\n\t//\t\t\t} )\n\t//\n\t// @private\n\t// @type {Map}\n\tObject.defineProperty( observable, boundPropertiesSymbol, {\n\t\tvalue: new Map()\n\t} );\n}\n\n// A chaining for {@link module:utils/observablemixin~ObservableMixin#bind} providing `.to()` interface.\n//\n// @private\n// @param {...[Observable|String|Function]} args Arguments of the `.to( args )` binding.\nfunction bindTo( ...args ) {\n\tconst parsedArgs = parseBindToArgs( ...args );\n\tconst bindingsKeys = Array.from( this._bindings.keys() );\n\tconst numberOfBindings = bindingsKeys.length;\n\n\t// Eliminate A.bind( 'x' ).to( B, C )\n\tif ( !parsedArgs.callback && parsedArgs.to.length > 1 ) {\n\t\t/**\n\t\t * Binding multiple observables only possible with callback.\n\t\t *\n\t\t * @error observable-bind-to-no-callback\n\t\t */\n\t\tthrow new CKEditorError( 'observable-bind-to-no-callback', this );\n\t}\n\n\t// Eliminate A.bind( 'x', 'y' ).to( B, callback )\n\tif ( numberOfBindings > 1 && parsedArgs.callback ) {\n\t\t/**\n\t\t * Cannot bind multiple properties and use a callback in one binding.\n\t\t *\n\t\t * @error observable-bind-to-extra-callback\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'observable-bind-to-extra-callback',\n\t\t\tthis\n\t\t);\n\t}\n\n\tparsedArgs.to.forEach( to => {\n\t\t// Eliminate A.bind( 'x', 'y' ).to( B, 'a' )\n\t\tif ( to.properties.length && to.properties.length !== numberOfBindings ) {\n\t\t\t/**\n\t\t\t * The number of properties must match.\n\t\t\t *\n\t\t\t * @error observable-bind-to-properties-length\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'observable-bind-to-properties-length', this );\n\t\t}\n\n\t\t// When no to.properties specified, observing source properties instead i.e.\n\t\t// A.bind( 'x', 'y' ).to( B ) -> Observe B.x and B.y\n\t\tif ( !to.properties.length ) {\n\t\t\tto.properties = this._bindProperties;\n\t\t}\n\t} );\n\n\tthis._to = parsedArgs.to;\n\n\t// Fill {@link BindChain#_bindings} with callback. When the callback is set there's only one binding.\n\tif ( parsedArgs.callback ) {\n\t\tthis._bindings.get( bindingsKeys[ 0 ] ).callback = parsedArgs.callback;\n\t}\n\n\tattachBindToListeners( this._observable, this._to );\n\n\t// Update observable._boundProperties and observable._boundObservables.\n\tupdateBindToBound( this );\n\n\t// Set initial values of bound properties.\n\tthis._bindProperties.forEach( propertyName => {\n\t\tupdateBoundObservableProperty( this._observable, propertyName );\n\t} );\n}\n\n// Binds to an attribute in a set of iterable observables.\n//\n// @private\n// @param {Array.<Observable>} observables\n// @param {String} attribute\n// @param {Function} callback\nfunction bindToMany( observables, attribute, callback ) {\n\tif ( this._bindings.size > 1 ) {\n\t\t/**\n\t\t * Binding one attribute to many observables only possible with one attribute.\n\t\t *\n\t\t * @error observable-bind-to-many-not-one-binding\n\t\t */\n\t\tthrow new CKEditorError( 'observable-bind-to-many-not-one-binding', this );\n\t}\n\n\tthis.to(\n\t\t// Bind to #attribute of each observable...\n\t\t...getBindingTargets( observables, attribute ),\n\t\t// ...using given callback to parse attribute values.\n\t\tcallback\n\t);\n}\n\n// Returns an array of binding components for\n// {@link Observable#bind} from a set of iterable observables.\n//\n// @param {Array.<Observable>} observables\n// @param {String} attribute\n// @returns {Array.<String|Observable>}\nfunction getBindingTargets( observables, attribute ) {\n\tconst observableAndAttributePairs = observables.map( observable => [ observable, attribute ] );\n\n\t// Merge pairs to one-dimension array of observables and attributes.\n\treturn Array.prototype.concat.apply( [], observableAndAttributePairs );\n}\n\n// Check if all entries of the array are of `String` type.\n//\n// @private\n// @param {Array} arr An array to be checked.\n// @returns {Boolean}\nfunction isStringArray( arr ) {\n\treturn arr.every( a => typeof a == 'string' );\n}\n\n// Parses and validates {@link Observable#bind}`.to( args )` arguments and returns\n// an object with a parsed structure. For example\n//\n//\t\tA.bind( 'x' ).to( B, 'a', C, 'b', call );\n//\n// becomes\n//\n//\t\t{\n//\t\t\tto: [\n//\t\t\t\t{ observable: B, properties: [ 'a' ] },\n//\t\t\t\t{ observable: C, properties: [ 'b' ] },\n//\t\t\t],\n//\t\t\tcallback: call\n// \t\t}\n//\n// @private\n// @param {...*} args Arguments of {@link Observable#bind}`.to( args )`.\n// @returns {Object}\nfunction parseBindToArgs( ...args ) {\n\t// Eliminate A.bind( 'x' ).to()\n\tif ( !args.length ) {\n\t\t/**\n\t\t * Invalid argument syntax in `to()`.\n\t\t *\n\t\t * @error observable-bind-to-parse-error\n\t\t */\n\t\tthrow new CKEditorError( 'observable-bind-to-parse-error', null );\n\t}\n\n\tconst parsed = { to: [] };\n\tlet lastObservable;\n\n\tif ( typeof args[ args.length - 1 ] == 'function' ) {\n\t\tparsed.callback = args.pop();\n\t}\n\n\targs.forEach( a => {\n\t\tif ( typeof a == 'string' ) {\n\t\t\tlastObservable.properties.push( a );\n\t\t} else if ( typeof a == 'object' ) {\n\t\t\tlastObservable = { observable: a, properties: [] };\n\t\t\tparsed.to.push( lastObservable );\n\t\t} else {\n\t\t\tthrow new CKEditorError( 'observable-bind-to-parse-error', null );\n\t\t}\n\t} );\n\n\treturn parsed;\n}\n\n// Synchronizes {@link module:utils/observablemixin#_boundObservables} with {@link Binding}.\n//\n// @private\n// @param {Binding} binding A binding to store in {@link Observable#_boundObservables}.\n// @param {Observable} toObservable A observable, which is a new component of `binding`.\n// @param {String} toPropertyName A name of `toObservable`'s property, a new component of the `binding`.\nfunction updateBoundObservables( observable, binding, toObservable, toPropertyName ) {\n\tconst boundObservables = observable[ boundObservablesSymbol ];\n\tconst bindingsToObservable = boundObservables.get( toObservable );\n\tconst bindings = bindingsToObservable || {};\n\n\tif ( !bindings[ toPropertyName ] ) {\n\t\tbindings[ toPropertyName ] = new Set();\n\t}\n\n\t// Pass the binding to a corresponding Set in `observable._boundObservables`.\n\tbindings[ toPropertyName ].add( binding );\n\n\tif ( !bindingsToObservable ) {\n\t\tboundObservables.set( toObservable, bindings );\n\t}\n}\n\n// Synchronizes {@link Observable#_boundProperties} and {@link Observable#_boundObservables}\n// with {@link BindChain}.\n//\n// Assuming the following binding being created\n//\n// \t\tA.bind( 'a', 'b' ).to( B, 'x', 'y' );\n//\n// the following bindings were initialized by {@link Observable#bind} in {@link BindChain#_bindings}:\n//\n// \t\t{\n// \t\t\ta: { observable: A, property: 'a', to: [] },\n// \t\t\tb: { observable: A, property: 'b', to: [] },\n// \t\t}\n//\n// Iterate over all bindings in this chain and fill their `to` properties with\n// corresponding to( ... ) arguments (components of the binding), so\n//\n// \t\t{\n// \t\t\ta: { observable: A, property: 'a', to: [ B, 'x' ] },\n// \t\t\tb: { observable: A, property: 'b', to: [ B, 'y' ] },\n// \t\t}\n//\n// Then update the structure of {@link Observable#_boundObservables} with updated\n// binding, so it becomes:\n//\n// \t\tMap( {\n// \t\t\tB: {\n// \t\t\t\tx: Set( [\n// \t\t\t\t\t{ observable: A, property: 'a', to: [ [ B, 'x' ] ] }\n// \t\t\t\t] ),\n// \t\t\t\ty: Set( [\n// \t\t\t\t\t{ observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n// \t\t\t\t] )\n//\t\t\t}\n// \t\t} )\n//\n// @private\n// @param {BindChain} chain The binding initialized by {@link Observable#bind}.\nfunction updateBindToBound( chain ) {\n\tlet toProperty;\n\n\tchain._bindings.forEach( ( binding, propertyName ) => {\n\t\t// Note: For a binding without a callback, this will run only once\n\t\t// like in A.bind( 'x', 'y' ).to( B, 'a', 'b' )\n\t\t// TODO: ES6 destructuring.\n\t\tchain._to.forEach( to => {\n\t\t\ttoProperty = to.properties[ binding.callback ? 0 : chain._bindProperties.indexOf( propertyName ) ];\n\n\t\t\tbinding.to.push( [ to.observable, toProperty ] );\n\t\t\tupdateBoundObservables( chain._observable, binding, to.observable, toProperty );\n\t\t} );\n\t} );\n}\n\n// Updates an property of a {@link Observable} with a value\n// determined by an entry in {@link Observable#_boundProperties}.\n//\n// @private\n// @param {Observable} observable A observable which property is to be updated.\n// @param {String} propertyName An property to be updated.\nfunction updateBoundObservableProperty( observable, propertyName ) {\n\tconst boundProperties = observable[ boundPropertiesSymbol ];\n\tconst binding = boundProperties.get( propertyName );\n\tlet propertyValue;\n\n\t// When a binding with callback is created like\n\t//\n\t// \t\tA.bind( 'a' ).to( B, 'b', C, 'c', callback );\n\t//\n\t// collect B.b and C.c, then pass them to callback to set A.a.\n\tif ( binding.callback ) {\n\t\tpropertyValue = binding.callback.apply( observable, binding.to.map( to => to[ 0 ][ to[ 1 ] ] ) );\n\t} else {\n\t\tpropertyValue = binding.to[ 0 ];\n\t\tpropertyValue = propertyValue[ 0 ][ propertyValue[ 1 ] ];\n\t}\n\n\tif ( Object.prototype.hasOwnProperty.call( observable, propertyName ) ) {\n\t\tobservable[ propertyName ] = propertyValue;\n\t} else {\n\t\tobservable.set( propertyName, propertyValue );\n\t}\n}\n\n// Starts listening to changes in {@link BindChain._to} observables to update\n// {@link BindChain._observable} {@link BindChain._bindProperties}. Also sets the\n// initial state of {@link BindChain._observable}.\n//\n// @private\n// @param {BindChain} chain The chain initialized by {@link Observable#bind}.\nfunction attachBindToListeners( observable, toBindings ) {\n\ttoBindings.forEach( to => {\n\t\tconst boundObservables = observable[ boundObservablesSymbol ];\n\t\tlet bindings;\n\n\t\t// If there's already a chain between the observables (`observable` listens to\n\t\t// `to.observable`), there's no need to create another `change` event listener.\n\t\tif ( !boundObservables.get( to.observable ) ) {\n\t\t\tobservable.listenTo( to.observable, 'change', ( evt, propertyName ) => {\n\t\t\t\tbindings = boundObservables.get( to.observable )[ propertyName ];\n\n\t\t\t\t// Note: to.observable will fire for any property change, react\n\t\t\t\t// to changes of properties which are bound only.\n\t\t\t\tif ( bindings ) {\n\t\t\t\t\tbindings.forEach( binding => {\n\t\t\t\t\t\tupdateBoundObservableProperty( observable, binding.property );\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t} );\n}\n\n/**\n * An interface which adds \"observable properties\" and data binding functionality.\n *\n * Can be easily implemented by a class by mixing the {@link module:utils/observablemixin~ObservableMixin} mixin.\n *\n * Read more about the usage of this interface in the:\n * * {@glink framework/guides/architecture/core-editor-architecture#event-system-and-observables \"Event system and observables\"}\n * section of the {@glink framework/guides/architecture/core-editor-architecture \"Core editor architecture\"} guide,\n * * {@glink framework/guides/deep-dive/observables \"Observables\" deep dive} guide.\n *\n * @interface Observable\n * @extends module:utils/emittermixin~Emitter\n */\n\n/**\n * Fired when a property changed value.\n *\n *\t\tobservable.set( 'prop', 1 );\n *\n *\t\tobservable.on( 'change:prop', ( evt, propertyName, newValue, oldValue ) => {\n *\t\t\tconsole.log( `${ propertyName } has changed from ${ oldValue } to ${ newValue }` );\n *\t\t} );\n *\n *\t\tobservable.prop = 2; // -> 'prop has changed from 1 to 2'\n *\n * @event change:{property}\n * @param {String} name The property name.\n * @param {*} value The new property value.\n * @param {*} oldValue The previous property value.\n */\n\n/**\n * Fired when a property value is going to be set but is not set yet (before the `change` event is fired).\n *\n * You can control the final value of the property by using\n * the {@link module:utils/eventinfo~EventInfo#return event's `return` property}.\n *\n *\t\tobservable.set( 'prop', 1 );\n *\n *\t\tobservable.on( 'set:prop', ( evt, propertyName, newValue, oldValue ) => {\n *\t\t\tconsole.log( `Value is going to be changed from ${ oldValue } to ${ newValue }` );\n *\t\t\tconsole.log( `Current property value is ${ observable[ propertyName ] }` );\n *\n *\t\t\t// Let's override the value.\n *\t\t\tevt.return = 3;\n *\t\t} );\n *\n *\t\tobservable.on( 'change:prop', ( evt, propertyName, newValue, oldValue ) => {\n *\t\t\tconsole.log( `Value has changed from ${ oldValue } to ${ newValue }` );\n *\t\t} );\n *\n *\t\tobservable.prop = 2; // -> 'Value is going to be changed from 1 to 2'\n *\t\t                     // -> 'Current property value is 1'\n *\t\t                     // -> 'Value has changed from 1 to 3'\n *\n * **Note:** The event is fired even when the new value is the same as the old value.\n *\n * @event set:{property}\n * @param {String} name The property name.\n * @param {*} value The new property value.\n * @param {*} oldValue The previous property value.\n */\n\n/**\n * Creates and sets the value of an observable property of this object. Such a property becomes a part\n * of the state and is observable.\n *\n * It accepts also a single object literal containing key/value pairs with properties to be set.\n *\n * This method throws the `observable-set-cannot-override` error if the observable instance already\n * has a property with the given property name. This prevents from mistakenly overriding existing\n * properties and methods, but means that `foo.set( 'bar', 1 )` may be slightly slower than `foo.bar = 1`.\n *\n * @method #set\n * @param {String|Object} name The property's name or object with `name=>value` pairs.\n * @param {*} [value] The property's value (if `name` was passed in the first parameter).\n */\n\n/**\n * Binds {@link #set observable properties} to other objects implementing the\n * {@link module:utils/observablemixin~Observable} interface.\n *\n * Read more in the {@glink framework/guides/deep-dive/observables#property-bindings dedicated guide}\n * covering the topic of property bindings with some additional examples.\n *\n * Consider two objects: a `button` and an associated `command` (both `Observable`).\n *\n * A simple property binding could be as follows:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command, 'isEnabled' );\n *\n * or even shorter:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command );\n *\n * which works in the following way:\n *\n * * `button.isEnabled` **instantly equals** `command.isEnabled`,\n * * whenever `command.isEnabled` changes, `button.isEnabled` will immediately reflect its value.\n *\n * **Note**: To release the binding, use {@link module:utils/observablemixin~Observable#unbind}.\n *\n * You can also \"rename\" the property in the binding by specifying the new name in the `to()` chain:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command, 'isWorking' );\n *\n * It is possible to bind more than one property at a time to shorten the code:\n *\n *\t\tbutton.bind( 'isEnabled', 'value' ).to( command );\n *\n * which corresponds to:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command );\n *\t\tbutton.bind( 'value' ).to( command );\n *\n * The binding can include more than one observable, combining multiple data sources in a custom callback:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command, 'isEnabled', ui, 'isVisible',\n *\t\t\t( isCommandEnabled, isUIVisible ) => isCommandEnabled && isUIVisible );\n *\n * Using a custom callback allows processing the value before passing it to the target property:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command, 'value', value => value === 'heading1' );\n *\n * It is also possible to bind to the same property in an array of observables.\n * To bind a `button` to multiple commands (also `Observables`) so that each and every one of them\n * must be enabled for the button to become enabled, use the following code:\n *\n *\t\tbutton.bind( 'isEnabled' ).toMany( [ commandA, commandB, commandC ], 'isEnabled',\n *\t\t\t( isAEnabled, isBEnabled, isCEnabled ) => isAEnabled && isBEnabled && isCEnabled );\n *\n * @method #bind\n * @param {...String} bindProperties Observable properties that will be bound to other observable(s).\n * @returns {Object} The bind chain with the `to()` and `toMany()` methods.\n */\n\n/**\n * Removes the binding created with {@link #bind}.\n *\n *\t\t// Removes the binding for the 'a' property.\n *\t\tA.unbind( 'a' );\n *\n *\t\t// Removes bindings for all properties.\n *\t\tA.unbind();\n *\n * @method #unbind\n * @param {...String} [unbindProperties] Observable properties to be unbound. All the bindings will\n * be released if no properties are provided.\n */\n\n/**\n * Turns the given methods of this object into event-based ones. This means that the new method will fire an event\n * (named after the method) and the original action will be plugged as a listener to that event.\n *\n * Read more in the {@glink framework/guides/deep-dive/observables#decorating-object-methods dedicated guide}\n * covering the topic of decorating methods with some additional examples.\n *\n * Decorating the method does not change its behavior (it only adds an event),\n * but it allows to modify it later on by listening to the method's event.\n *\n * For example, to cancel the method execution the event can be {@link module:utils/eventinfo~EventInfo#stop stopped}:\n *\n *\t\tclass Foo {\n *\t\t\tconstructor() {\n *\t\t\t\tthis.decorate( 'method' );\n *\t\t\t}\n *\n *\t\t\tmethod() {\n *\t\t\t\tconsole.log( 'called!' );\n *\t\t\t}\n *\t\t}\n *\n *\t\tconst foo = new Foo();\n *\t\tfoo.on( 'method', ( evt ) => {\n *\t\t\tevt.stop();\n *\t\t}, { priority: 'high' } );\n *\n *\t\tfoo.method(); // Nothing is logged.\n *\n *\n * **Note**: The high {@link module:utils/priorities~PriorityString priority} listener\n * has been used to execute this particular callback before the one which calls the original method\n * (which uses the \"normal\" priority).\n *\n * It is also possible to change the returned value:\n *\n *\t\tfoo.on( 'method', ( evt ) => {\n *\t\t\tevt.return = 'Foo!';\n *\t\t} );\n *\n *\t\tfoo.method(); // -> 'Foo'\n *\n * Finally, it is possible to access and modify the arguments the method is called with:\n *\n *\t\tmethod( a, b ) {\n *\t\t\tconsole.log( `${ a }, ${ b }`  );\n *\t\t}\n *\n *\t\t// ...\n *\n *\t\tfoo.on( 'method', ( evt, args ) => {\n *\t\t\targs[ 0 ] = 3;\n *\n *\t\t\tconsole.log( args[ 1 ] ); // -> 2\n *\t\t}, { priority: 'high' } );\n *\n *\t\tfoo.method( 1, 2 ); // -> '3, 2'\n *\n * @method #decorate\n * @param {String} methodName Name of the method to decorate.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/editableelement\n */\n\nimport ContainerElement from './containerelement';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\n\n/**\n * Editable element which can be a {@link module:engine/view/rooteditableelement~RootEditableElement root}\n * or nested editable area in the editor.\n *\n * Editable is automatically read-only when its {@link module:engine/view/document~Document Document} is read-only.\n *\n * The constructor of this class shouldn't be used directly. To create new `EditableElement` use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createEditableElement `downcastWriter#createEditableElement()`} method.\n *\n * @extends module:engine/view/containerelement~ContainerElement\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class EditableElement extends ContainerElement {\n\t/**\n\t * Creates an editable element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createEditableElement\n\t * @protected\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t/**\n\t\t * Whether the editable is in read-write or read-only mode.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/editableelement~EditableElement#isReadOnly\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * Whether the editable is focused.\n\t\t *\n\t\t * This property updates when {@link module:engine/view/document~Document#isFocused document.isFocused} or view\n\t\t * selection is changed.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/editableelement~EditableElement#isFocused\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\tthis.bind( 'isReadOnly' ).to( document );\n\n\t\tthis.bind( 'isFocused' ).to(\n\t\t\tdocument,\n\t\t\t'isFocused',\n\t\t\tisFocused => isFocused && document.selection.editableElement == this\n\t\t);\n\n\t\t// Update focus state based on selection changes.\n\t\tthis.listenTo( document.selection, 'change', () => {\n\t\t\tthis.isFocused = document.isFocused && document.selection.editableElement == this;\n\t\t} );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\teditableElement.is( 'editableElement' ); // -> true\n\t *\t\teditableElement.is( 'element' ); // -> true\n\t *\t\teditableElement.is( 'node' ); // -> true\n\t *\t\teditableElement.is( 'view:editableElement' ); // -> true\n\t *\t\teditableElement.is( 'view:element' ); // -> true\n\t *\t\teditableElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\teditableElement.is( 'model:element' ); // -> false\n\t *\t\teditableElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an editbale element, you can also check its\n\t * {@link module:engine/view/editableelement~EditableElement#name name}:\n\t *\n\t *\t\teditableElement.is( 'element', 'div' ); // -> true if this is a div element\n\t *\t\teditableElement.is( 'editableElement', 'div' ); // -> same as above\n\t *\t\ttext.is( 'element', 'div' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'editableElement' || type === 'view:editableElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'editableElement' || type === 'view:editableElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n}\n\nmix( EditableElement, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/rooteditableelement\n */\n\nimport EditableElement from './editableelement';\n\nconst rootNameSymbol = Symbol( 'rootName' );\n\n/**\n * Class representing a single root in the data view. A root can be either {@link ~RootEditableElement#isReadOnly editable or read-only},\n * but in both cases it is called \"an editable\". Roots can contain other {@link module:engine/view/editableelement~EditableElement\n * editable elements} making them \"nested editables\".\n *\n * @extends module:engine/view/editableelement~EditableElement\n */\nexport default class RootEditableElement extends EditableElement {\n\t/**\n\t * Creates root editable element.\n\t *\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t */\n\tconstructor( document, name ) {\n\t\tsuper( document, name );\n\n\t\t/**\n\t\t * Name of this root inside {@link module:engine/view/document~Document} that is an owner of this root. If no\n\t\t * other name is set, `main` name is used.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.rootName = 'main';\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\trootEditableElement.is( 'rootElement' ); // -> true\n\t *\t\trootEditableElement.is( 'editableElement' ); // -> true\n\t *\t\trootEditableElement.is( 'element' ); // -> true\n\t *\t\trootEditableElement.is( 'node' ); // -> true\n\t *\t\trootEditableElement.is( 'view:editableElement' ); // -> true\n\t *\t\trootEditableElement.is( 'view:element' ); // -> true\n\t *\t\trootEditableElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\trootEditableElement.is( 'model:element' ); // -> false\n\t *\t\trootEditableElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is a root editable element, you can also check its\n\t * {@link module:engine/view/rooteditableelement~RootEditableElement#name name}:\n\t *\n\t *\t\trootEditableElement.is( 'element', 'div' ); // -> true if this is a div root editable element\n\t *\t\trootEditableElement.is( 'rootElement', 'div' ); // -> same as above\n\t *\t\ttext.is( 'element', 'div' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'rootElement' || type === 'view:rootElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'editableElement' || type === 'view:editableElement' ||\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'rootElement' || type === 'view:rootElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'editableElement' || type === 'view:editableElement' ||\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\tget rootName() {\n\t\treturn this.getCustomProperty( rootNameSymbol );\n\t}\n\n\tset rootName( rootName ) {\n\t\tthis._setCustomProperty( rootNameSymbol, rootName );\n\t}\n\n\t/**\n\t * Overrides old element name and sets new one.\n\t * This is needed because view roots are created before they are attached to the DOM.\n\t * The name of the root element is temporary at this stage. It has to be changed when the\n\t * view root element is attached to the DOM element.\n\t *\n\t * @protected\n\t * @param {String} name The new name of element.\n\t */\n\tset _name( name ) {\n\t\tthis.name = name;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/treewalker\n */\n\nimport Element from './element';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport Position from './position';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Position iterator class. It allows to iterate forward and backward over the document.\n */\nexport default class TreeWalker {\n\t/**\n\t * Creates a range iterator. All parameters are optional, but you have to specify either `boundaries` or `startPosition`.\n\t *\n\t * @constructor\n\t * @param {Object} options Object with configuration.\n\t * @param {module:engine/view/range~Range} [options.boundaries=null] Range to define boundaries of the iterator.\n\t * @param {module:engine/view/position~Position} [options.startPosition] Starting position.\n\t * @param {'forward'|'backward'} [options.direction='forward'] Walking direction.\n\t * @param {Boolean} [options.singleCharacters=false] Flag indicating whether all characters from\n\t * {@link module:engine/view/text~Text} should be returned as one {@link module:engine/view/text~Text} (`false`) ore one by one as\n\t * {@link module:engine/view/textproxy~TextProxy} (`true`).\n\t * @param {Boolean} [options.shallow=false] Flag indicating whether iterator should enter elements or not. If the\n\t * iterator is shallow child nodes of any iterated node will not be returned along with `elementEnd` tag.\n\t * @param {Boolean} [options.ignoreElementEnd=false] Flag indicating whether iterator should ignore `elementEnd`\n\t * tags. If the option is true walker will not return a parent node of start position. If this option is `true`\n\t * each {@link module:engine/view/element~Element} will be returned once, while if the option is `false` they might be returned\n\t * twice: for `'elementStart'` and `'elementEnd'`.\n\t */\n\tconstructor( options = {} ) {\n\t\tif ( !options.boundaries && !options.startPosition ) {\n\t\t\t/**\n\t\t\t * Neither boundaries nor starting position have been defined.\n\t\t\t *\n\t\t\t * @error view-tree-walker-no-start-position\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-tree-walker-no-start-position',\n\t\t\t\tnull\n\t\t\t);\n\t\t}\n\n\t\tif ( options.direction && options.direction != 'forward' && options.direction != 'backward' ) {\n\t\t\t/**\n\t\t\t * Only `backward` and `forward` direction allowed.\n\t\t\t *\n\t\t\t * @error view-tree-walker-unknown-direction\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-tree-walker-unknown-direction', options.startPosition, { direction: options.direction } );\n\t\t}\n\n\t\t/**\n\t\t * Iterator boundaries.\n\t\t *\n\t\t * When the iterator is walking `'forward'` on the end of boundary or is walking `'backward'`\n\t\t * on the start of boundary, then `{ done: true }` is returned.\n\t\t *\n\t\t * If boundaries are not defined they are set before first and after last child of the root node.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/range~Range} module:engine/view/treewalker~TreeWalker#boundaries\n\t\t */\n\t\tthis.boundaries = options.boundaries || null;\n\n\t\t/**\n\t\t * Iterator position. If start position is not defined then position depends on {@link #direction}. If direction is\n\t\t * `'forward'` position starts form the beginning, when direction is `'backward'` position starts from the end.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/position~Position} module:engine/view/treewalker~TreeWalker#position\n\t\t */\n\t\tif ( options.startPosition ) {\n\t\t\tthis.position = Position._createAt( options.startPosition );\n\t\t} else {\n\t\t\tthis.position = Position._createAt( options.boundaries[ options.direction == 'backward' ? 'end' : 'start' ] );\n\t\t}\n\n\t\t/**\n\t\t * Walking direction. Defaults `'forward'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'backward'|'forward'} module:engine/view/treewalker~TreeWalker#direction\n\t\t */\n\t\tthis.direction = options.direction || 'forward';\n\n\t\t/**\n\t\t * Flag indicating whether all characters from {@link module:engine/view/text~Text} should be returned as one\n\t\t * {@link module:engine/view/text~Text} or one by one as {@link module:engine/view/textproxy~TextProxy}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/view/treewalker~TreeWalker#singleCharacters\n\t\t */\n\t\tthis.singleCharacters = !!options.singleCharacters;\n\n\t\t/**\n\t\t * Flag indicating whether iterator should enter elements or not. If the iterator is shallow child nodes of any\n\t\t * iterated node will not be returned along with `elementEnd` tag.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/view/treewalker~TreeWalker#shallow\n\t\t */\n\t\tthis.shallow = !!options.shallow;\n\n\t\t/**\n\t\t * Flag indicating whether iterator should ignore `elementEnd` tags. If set to `true`, walker will not\n\t\t * return a parent node of the start position. Each {@link module:engine/view/element~Element} will be returned once.\n\t\t * When set to `false` each element might be returned twice: for `'elementStart'` and `'elementEnd'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/view/treewalker~TreeWalker#ignoreElementEnd\n\t\t */\n\t\tthis.ignoreElementEnd = !!options.ignoreElementEnd;\n\n\t\t/**\n\t\t * Start boundary parent.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/node~Node} module:engine/view/treewalker~TreeWalker#_boundaryStartParent\n\t\t */\n\t\tthis._boundaryStartParent = this.boundaries ? this.boundaries.start.parent : null;\n\n\t\t/**\n\t\t * End boundary parent.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/node~Node} module:engine/view/treewalker~TreeWalker#_boundaryEndParent\n\t\t */\n\t\tthis._boundaryEndParent = this.boundaries ? this.boundaries.end.parent : null;\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<module:engine/view/treewalker~TreeWalkerValue>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Moves {@link #position} in the {@link #direction} skipping values as long as the callback function returns `true`.\n\t *\n\t * For example:\n\t *\n\t * \t\twalker.skip( value => value.type == 'text' ); // <p>{}foo</p> -> <p>foo[]</p>\n\t * \t\twalker.skip( value => true ); // Move the position to the end: <p>{}foo</p> -> <p>foo</p>[]\n\t * \t\twalker.skip( value => false ); // Do not move the position.\n\t *\n\t * @param {Function} skip Callback function. Gets {@link module:engine/view/treewalker~TreeWalkerValue} and should\n\t * return `true` if the value should be skipped or `false` if not.\n\t */\n\tskip( skip ) {\n\t\tlet done, value, prevPosition;\n\n\t\tdo {\n\t\t\tprevPosition = this.position;\n\n\t\t\t( { done, value } = this.next() );\n\t\t} while ( !done && skip( value ) );\n\n\t\tif ( !done ) {\n\t\t\tthis.position = prevPosition;\n\t\t}\n\t}\n\n\t/**\n\t * Gets the next tree walker's value.\n\t *\n\t * @returns {module:engine/view/treewalker~TreeWalkerValue} Object implementing iterator interface, returning\n\t * information about taken step.\n\t */\n\tnext() {\n\t\tif ( this.direction == 'forward' ) {\n\t\t\treturn this._next();\n\t\t} else {\n\t\t\treturn this._previous();\n\t\t}\n\t}\n\n\t/**\n\t * Makes a step forward in view. Moves the {@link #position} to the next position and returns the encountered value.\n\t *\n\t * @private\n\t * @returns {Object}\n\t * @returns {Boolean} return.done `true` if iterator is done, `false` otherwise.\n\t * @returns {module:engine/view/treewalker~TreeWalkerValue} return.value Information about taken step.\n\t */\n\t_next() {\n\t\tlet position = this.position.clone();\n\t\tconst previousPosition = this.position;\n\t\tconst parent = position.parent;\n\n\t\t// We are at the end of the root.\n\t\tif ( parent.parent === null && position.offset === parent.childCount ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We reached the walker boundary.\n\t\tif ( parent === this._boundaryEndParent && position.offset == this.boundaries.end.offset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// Get node just after current position.\n\t\tlet node;\n\n\t\t// Text is a specific parent because it contains string instead of child nodes.\n\t\tif ( parent instanceof Text ) {\n\t\t\tif ( position.isAtEnd ) {\n\t\t\t\t// Prevent returning \"elementEnd\" for Text node. Skip that value and return the next walker step.\n\t\t\t\tthis.position = Position._createAfter( parent );\n\n\t\t\t\treturn this._next();\n\t\t\t}\n\n\t\t\tnode = parent.data[ position.offset ];\n\t\t} else {\n\t\t\tnode = parent.getChild( position.offset );\n\t\t}\n\n\t\tif ( node instanceof Element ) {\n\t\t\tif ( !this.shallow ) {\n\t\t\t\tposition = new Position( node, 0 );\n\t\t\t} else {\n\t\t\t\tposition.offset++;\n\t\t\t}\n\n\t\t\tthis.position = position;\n\n\t\t\treturn this._formatReturnValue( 'elementStart', node, previousPosition, position, 1 );\n\t\t} else if ( node instanceof Text ) {\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\tposition = new Position( node, 0 );\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._next();\n\t\t\t} else {\n\t\t\t\tlet charactersCount = node.data.length;\n\t\t\t\tlet item;\n\n\t\t\t\t// If text stick out of walker range, we need to cut it and wrap in TextProxy.\n\t\t\t\tif ( node == this._boundaryEndParent ) {\n\t\t\t\t\tcharactersCount = this.boundaries.end.offset;\n\t\t\t\t\titem = new TextProxy( node, 0, charactersCount );\n\t\t\t\t\tposition = Position._createAfter( item );\n\t\t\t\t} else {\n\t\t\t\t\titem = new TextProxy( node, 0, node.data.length );\n\t\t\t\t\t// If not just keep moving forward.\n\t\t\t\t\tposition.offset++;\n\t\t\t\t}\n\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._formatReturnValue( 'text', item, previousPosition, position, charactersCount );\n\t\t\t}\n\t\t} else if ( typeof node == 'string' ) {\n\t\t\tlet textLength;\n\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\ttextLength = 1;\n\t\t\t} else {\n\t\t\t\t// Check if text stick out of walker range.\n\t\t\t\tconst endOffset = parent === this._boundaryEndParent ? this.boundaries.end.offset : parent.data.length;\n\n\t\t\t\ttextLength = endOffset - position.offset;\n\t\t\t}\n\n\t\t\tconst textProxy = new TextProxy( parent, position.offset, textLength );\n\n\t\t\tposition.offset += textLength;\n\t\t\tthis.position = position;\n\n\t\t\treturn this._formatReturnValue( 'text', textProxy, previousPosition, position, textLength );\n\t\t} else {\n\t\t\t// `node` is not set, we reached the end of current `parent`.\n\t\t\tposition = Position._createAfter( parent );\n\t\t\tthis.position = position;\n\n\t\t\tif ( this.ignoreElementEnd ) {\n\t\t\t\treturn this._next();\n\t\t\t} else {\n\t\t\t\treturn this._formatReturnValue( 'elementEnd', parent, previousPosition, position );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Makes a step backward in view. Moves the {@link #position} to the previous position and returns the encountered value.\n\t *\n\t * @private\n\t * @returns {Object}\n\t * @returns {Boolean} return.done True if iterator is done.\n\t * @returns {module:engine/view/treewalker~TreeWalkerValue} return.value Information about taken step.\n\t */\n\t_previous() {\n\t\tlet position = this.position.clone();\n\t\tconst previousPosition = this.position;\n\t\tconst parent = position.parent;\n\n\t\t// We are at the beginning of the root.\n\t\tif ( parent.parent === null && position.offset === 0 ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We reached the walker boundary.\n\t\tif ( parent == this._boundaryStartParent && position.offset == this.boundaries.start.offset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// Get node just before current position.\n\t\tlet node;\n\n\t\t// Text {@link module:engine/view/text~Text} element is a specific parent because contains string instead of child nodes.\n\t\tif ( parent instanceof Text ) {\n\t\t\tif ( position.isAtStart ) {\n\t\t\t\t// Prevent returning \"elementStart\" for Text node. Skip that value and return the next walker step.\n\t\t\t\tthis.position = Position._createBefore( parent );\n\n\t\t\t\treturn this._previous();\n\t\t\t}\n\n\t\t\tnode = parent.data[ position.offset - 1 ];\n\t\t} else {\n\t\t\tnode = parent.getChild( position.offset - 1 );\n\t\t}\n\n\t\tif ( node instanceof Element ) {\n\t\t\tif ( !this.shallow ) {\n\t\t\t\tposition = new Position( node, node.childCount );\n\t\t\t\tthis.position = position;\n\n\t\t\t\tif ( this.ignoreElementEnd ) {\n\t\t\t\t\treturn this._previous();\n\t\t\t\t} else {\n\t\t\t\t\treturn this._formatReturnValue( 'elementEnd', node, previousPosition, position );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tposition.offset--;\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._formatReturnValue( 'elementStart', node, previousPosition, position, 1 );\n\t\t\t}\n\t\t} else if ( node instanceof Text ) {\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\tposition = new Position( node, node.data.length );\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._previous();\n\t\t\t} else {\n\t\t\t\tlet charactersCount = node.data.length;\n\t\t\t\tlet item;\n\n\t\t\t\t// If text stick out of walker range, we need to cut it and wrap in TextProxy.\n\t\t\t\tif ( node == this._boundaryStartParent ) {\n\t\t\t\t\tconst offset = this.boundaries.start.offset;\n\n\t\t\t\t\titem = new TextProxy( node, offset, node.data.length - offset );\n\t\t\t\t\tcharactersCount = item.data.length;\n\t\t\t\t\tposition = Position._createBefore( item );\n\t\t\t\t} else {\n\t\t\t\t\titem = new TextProxy( node, 0, node.data.length );\n\t\t\t\t\t// If not just keep moving backward.\n\t\t\t\t\tposition.offset--;\n\t\t\t\t}\n\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._formatReturnValue( 'text', item, previousPosition, position, charactersCount );\n\t\t\t}\n\t\t} else if ( typeof node == 'string' ) {\n\t\t\tlet textLength;\n\n\t\t\tif ( !this.singleCharacters ) {\n\t\t\t\t// Check if text stick out of walker range.\n\t\t\t\tconst startOffset = parent === this._boundaryStartParent ? this.boundaries.start.offset : 0;\n\n\t\t\t\ttextLength = position.offset - startOffset;\n\t\t\t} else {\n\t\t\t\ttextLength = 1;\n\t\t\t}\n\n\t\t\tposition.offset -= textLength;\n\n\t\t\tconst textProxy = new TextProxy( parent, position.offset, textLength );\n\n\t\t\tthis.position = position;\n\n\t\t\treturn this._formatReturnValue( 'text', textProxy, previousPosition, position, textLength );\n\t\t} else {\n\t\t\t// `node` is not set, we reached the beginning of current `parent`.\n\t\t\tposition = Position._createBefore( parent );\n\t\t\tthis.position = position;\n\n\t\t\treturn this._formatReturnValue( 'elementStart', parent, previousPosition, position, 1 );\n\t\t}\n\t}\n\n\t/**\n\t * Format returned data and adjust `previousPosition` and `nextPosition` if reach the bound of the {@link module:engine/view/text~Text}.\n\t *\n\t * @private\n\t * @param {module:engine/view/treewalker~TreeWalkerValueType} type Type of step.\n\t * @param {module:engine/view/item~Item} item Item between old and new position.\n\t * @param {module:engine/view/position~Position} previousPosition Previous position of iterator.\n\t * @param {module:engine/view/position~Position} nextPosition Next position of iterator.\n\t * @param {Number} [length] Length of the item.\n\t * @returns {module:engine/view/treewalker~TreeWalkerValue}\n\t */\n\t_formatReturnValue( type, item, previousPosition, nextPosition, length ) {\n\t\t// Text is a specific parent, because contains string instead of children.\n\t\t// Walker doesn't enter to the Text except situations when walker is iterating over every single character,\n\t\t// or the bound starts/ends inside the Text. So when the position is at the beginning or at the end of the Text\n\t\t// we move it just before or just after Text.\n\t\tif ( item instanceof TextProxy ) {\n\t\t\t// Position is at the end of Text.\n\t\t\tif ( item.offsetInText + item.data.length == item.textNode.data.length ) {\n\t\t\t\tif ( this.direction == 'forward' && !( this.boundaries && this.boundaries.end.isEqual( this.position ) ) ) {\n\t\t\t\t\tnextPosition = Position._createAfter( item.textNode );\n\t\t\t\t\t// When we change nextPosition of returned value we need also update walker current position.\n\t\t\t\t\tthis.position = nextPosition;\n\t\t\t\t} else {\n\t\t\t\t\tpreviousPosition = Position._createAfter( item.textNode );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Position is at the begining ot the text.\n\t\t\tif ( item.offsetInText === 0 ) {\n\t\t\t\tif ( this.direction == 'backward' && !( this.boundaries && this.boundaries.start.isEqual( this.position ) ) ) {\n\t\t\t\t\tnextPosition = Position._createBefore( item.textNode );\n\t\t\t\t\t// When we change nextPosition of returned value we need also update walker current position.\n\t\t\t\t\tthis.position = nextPosition;\n\t\t\t\t} else {\n\t\t\t\t\tpreviousPosition = Position._createBefore( item.textNode );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn {\n\t\t\tdone: false,\n\t\t\tvalue: {\n\t\t\t\ttype,\n\t\t\t\titem,\n\t\t\t\tpreviousPosition,\n\t\t\t\tnextPosition,\n\t\t\t\tlength\n\t\t\t}\n\t\t};\n\t}\n}\n\n/**\n * Type of the step made by {@link module:engine/view/treewalker~TreeWalker}.\n * Possible values: `'elementStart'` if walker is at the beginning of a node, `'elementEnd'` if walker is at the end\n * of node, or `'text'` if walker traversed over single and multiple characters.\n * For {@link module:engine/view/text~Text} `elementStart` and `elementEnd` is not returned.\n *\n * @typedef {String} module:engine/view/treewalker~TreeWalkerValueType\n */\n\n/**\n * Object returned by {@link module:engine/view/treewalker~TreeWalker} when traversing tree view.\n *\n * @typedef {Object} module:engine/view/treewalker~TreeWalkerValue\n * @property {module:engine/view/treewalker~TreeWalkerValueType} type\n * @property {module:engine/view/item~Item} item Item between the old and the new positions\n * of the tree walker.\n * @property {module:engine/view/position~Position} previousPosition Previous position of the iterator.\n * * Forward iteration: For `'elementEnd'` it is the last position inside the element. For all other types it is the\n * position before the item.\n * * Backward iteration: For `'elementStart'` it is the first position inside the element. For all other types it is\n * the position after item.\n * * If the position is at the beginning or at the end of the {@link module:engine/view/text~Text} it is always moved from the\n * inside of the text to its parent just before or just after that text.\n * @property {module:engine/view/position~Position} nextPosition Next position of the iterator.\n * * Forward iteration: For `'elementStart'` it is the first position inside the element. For all other types it is\n * the position after the item.\n * * Backward iteration: For `'elementEnd'` it is last position inside element. For all other types it is the position\n * before the item.\n * * If the position is at the beginning or at the end of the {@link module:engine/view/text~Text} it is always moved from the\n * inside of the text to its parent just before or just after that text.\n * @property {Number} [length] Length of the item. For `'elementStart'` it is `1`. For `'text'` it is\n * the length of that text. For `'elementEnd'` it is `undefined`.\n */\n\n/**\n * Tree walking directions.\n *\n * @typedef {'forward'|'backward'} module:engine/view/treewalker~TreeWalkerDirection\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/position\n */\n\nimport TreeWalker from './treewalker';\n\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport EditableElement from './editableelement';\n\n// To check if component is loaded more than once.\nimport '@ckeditor/ckeditor5-utils/src/version';\n\n/**\n * Position in the view tree. Position is represented by its parent node and an offset in this parent.\n *\n * In order to create a new position instance use the `createPosition*()` factory methods available in:\n *\n * * {@link module:engine/view/view~View}\n * * {@link module:engine/view/downcastwriter~DowncastWriter}\n * * {@link module:engine/view/upcastwriter~UpcastWriter}\n */\nexport default class Position {\n\t/**\n\t * Creates a position.\n\t *\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} parent Position parent.\n\t * @param {Number} offset Position offset.\n\t */\n\tconstructor( parent, offset ) {\n\t\t/**\n\t\t * Position parent.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t\t * module:engine/view/position~Position#parent\n\t\t */\n\t\tthis.parent = parent;\n\n\t\t/**\n\t\t * Position offset.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} module:engine/view/position~Position#offset\n\t\t */\n\t\tthis.offset = offset;\n\t}\n\n\t/**\n\t * Node directly after the position. Equals `null` when there is no node after position or position is located\n\t * inside text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|null}\n\t */\n\tget nodeAfter() {\n\t\tif ( this.parent.is( '$text' ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.parent.getChild( this.offset ) || null;\n\t}\n\n\t/**\n\t * Node directly before the position. Equals `null` when there is no node before position or position is located\n\t * inside text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|null}\n\t */\n\tget nodeBefore() {\n\t\tif ( this.parent.is( '$text' ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.parent.getChild( this.offset - 1 ) || null;\n\t}\n\n\t/**\n\t * Is `true` if position is at the beginning of its {@link module:engine/view/position~Position#parent parent}, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAtStart() {\n\t\treturn this.offset === 0;\n\t}\n\n\t/**\n\t * Is `true` if position is at the end of its {@link module:engine/view/position~Position#parent parent}, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAtEnd() {\n\t\tconst endOffset = this.parent.is( '$text' ) ? this.parent.data.length : this.parent.childCount;\n\n\t\treturn this.offset === endOffset;\n\t}\n\n\t/**\n\t * Position's root, that is the root of the position's parent element.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.parent.root;\n\t}\n\n\t/**\n\t * {@link module:engine/view/editableelement~EditableElement EditableElement} instance that contains this position, or `null` if\n\t * position is not inside an editable element.\n\t *\n\t * @type {module:engine/view/editableelement~EditableElement|null}\n\t */\n\tget editableElement() {\n\t\tlet editable = this.parent;\n\n\t\twhile ( !( editable instanceof EditableElement ) ) {\n\t\t\tif ( editable.parent ) {\n\t\t\t\teditable = editable.parent;\n\t\t\t} else {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t}\n\n\t\treturn editable;\n\t}\n\n\t/**\n\t * Returns a new instance of Position with offset incremented by `shift` value.\n\t *\n\t * @param {Number} shift How position offset should get changed. Accepts negative values.\n\t * @returns {module:engine/view/position~Position} Shifted position.\n\t */\n\tgetShiftedBy( shift ) {\n\t\tconst shifted = Position._createAt( this );\n\n\t\tconst offset = shifted.offset + shift;\n\t\tshifted.offset = offset < 0 ? 0 : offset;\n\n\t\treturn shifted;\n\t}\n\n\t/**\n\t * Gets the farthest position which matches the callback using\n\t * {@link module:engine/view/treewalker~TreeWalker TreeWalker}.\n\t *\n\t * For example:\n\t *\n\t * \t\tgetLastMatchingPosition( value => value.type == 'text' ); // <p>{}foo</p> -> <p>foo[]</p>\n\t * \t\tgetLastMatchingPosition( value => value.type == 'text', { direction: 'backward' } ); // <p>foo[]</p> -> <p>{}foo</p>\n\t * \t\tgetLastMatchingPosition( value => false ); // Do not move the position.\n\t *\n\t * @param {Function} skip Callback function. Gets {@link module:engine/view/treewalker~TreeWalkerValue} and should\n\t * return `true` if the value should be skipped or `false` if not.\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}.\n\t *\n\t * @returns {module:engine/view/position~Position} The position after the last item which matches the `skip` callback test.\n\t */\n\tgetLastMatchingPosition( skip, options = {} ) {\n\t\toptions.startPosition = this;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\t\ttreeWalker.skip( skip );\n\n\t\treturn treeWalker.position;\n\t}\n\n\t/**\n\t * Returns ancestors array of this position, that is this position's parent and it's ancestors.\n\t *\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors() {\n\t\tif ( this.parent.is( 'documentFragment' ) ) {\n\t\t\treturn [ this.parent ];\n\t\t} else {\n\t\t\treturn this.parent.getAncestors( { includeSelf: true } );\n\t\t}\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/view/node~Node} or {@link module:engine/view/documentfragment~DocumentFragment}\n\t * which is a common ancestor of both positions.\n\t *\n\t * @param {module:engine/view/position~Position} position\n\t * @returns {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor( position ) {\n\t\tconst ancestorsA = this.getAncestors();\n\t\tconst ancestorsB = position.getAncestors();\n\n\t\tlet i = 0;\n\n\t\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tposition.is( 'position' ); // -> true\n\t *\t\tposition.is( 'view:position' ); // -> true\n\t *\n\t *\t\tposition.is( 'model:position' ); // -> false\n\t *\t\tposition.is( 'element' ); // -> false\n\t *\t\tposition.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'position' || type === 'view:position';\n\t}\n\n\t/**\n\t * Checks whether this position equals given position.\n\t *\n\t * @param {module:engine/view/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if positions are same.\n\t */\n\tisEqual( otherPosition ) {\n\t\treturn ( this.parent == otherPosition.parent && this.offset == otherPosition.offset );\n\t}\n\n\t/**\n\t * Checks whether this position is located before given position. When method returns `false` it does not mean that\n\t * this position is after give one. Two positions may be located inside separate roots and in that situation this\n\t * method will still return `false`.\n\t *\n\t * @see module:engine/view/position~Position#isAfter\n\t * @see module:engine/view/position~Position#compareWith\n\t * @param {module:engine/view/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} Returns `true` if this position is before given position.\n\t */\n\tisBefore( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'before';\n\t}\n\n\t/**\n\t * Checks whether this position is located after given position. When method returns `false` it does not mean that\n\t * this position is before give one. Two positions may be located inside separate roots and in that situation this\n\t * method will still return `false`.\n\t *\n\t * @see module:engine/view/position~Position#isBefore\n\t * @see module:engine/view/position~Position#compareWith\n\t * @param {module:engine/view/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} Returns `true` if this position is after given position.\n\t */\n\tisAfter( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'after';\n\t}\n\n\t/**\n\t * Checks whether this position is before, after or in same position that other position. Two positions may be also\n\t * different when they are located in separate roots.\n\t *\n\t * @param {module:engine/view/position~Position} otherPosition Position to compare with.\n\t * @returns {module:engine/view/position~PositionRelation}\n\t */\n\tcompareWith( otherPosition ) {\n\t\tif ( this.root !== otherPosition.root ) {\n\t\t\treturn 'different';\n\t\t}\n\n\t\tif ( this.isEqual( otherPosition ) ) {\n\t\t\treturn 'same';\n\t\t}\n\n\t\t// Get path from root to position's parent element.\n\t\tconst thisPath = this.parent.is( 'node' ) ? this.parent.getPath() : [];\n\t\tconst otherPath = otherPosition.parent.is( 'node' ) ? otherPosition.parent.getPath() : [];\n\n\t\t// Add the positions' offsets to the parents offsets.\n\t\tthisPath.push( this.offset );\n\t\totherPath.push( otherPosition.offset );\n\n\t\t// Compare both path arrays to find common ancestor.\n\t\tconst result = compareArrays( thisPath, otherPath );\n\n\t\tswitch ( result ) {\n\t\t\tcase 'prefix':\n\t\t\t\treturn 'before';\n\n\t\t\tcase 'extension':\n\t\t\t\treturn 'after';\n\n\t\t\tdefault:\n\t\t\t\treturn thisPath[ result ] < otherPath[ result ] ? 'before' : 'after';\n\t\t}\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/view/treewalker~TreeWalker TreeWalker} instance with this positions as a start position.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}\n\t * @param {module:engine/view/range~Range} [options.boundaries=null] Range to define boundaries of the iterator.\n\t * @param {Boolean} [options.singleCharacters=false]\n\t * @param {Boolean} [options.shallow=false]\n\t * @param {Boolean} [options.ignoreElementEnd=false]\n\t */\n\tgetWalker( options = {} ) {\n\t\toptions.startPosition = this;\n\n\t\treturn new TreeWalker( options );\n\t}\n\n\tclone() {\n\t\treturn new Position( this.parent, this.offset );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/view/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/view/item~Item view item} and `'before'` or `'after'` (sets position before or after given view item).\n\t *\n\t * This method is a shortcut to other constructors such as:\n\t *\n\t * * {@link module:engine/view/position~Position._createBefore},\n\t * * {@link module:engine/view/position~Position._createAfter}.\n\t *\n\t * @protected\n\t * @param {module:engine/view/item~Item|module:engine/view/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tstatic _createAt( itemOrPosition, offset ) {\n\t\tif ( itemOrPosition instanceof Position ) {\n\t\t\treturn new this( itemOrPosition.parent, itemOrPosition.offset );\n\t\t} else {\n\t\t\tconst node = itemOrPosition;\n\n\t\t\tif ( offset == 'end' ) {\n\t\t\t\toffset = node.is( '$text' ) ? node.data.length : node.childCount;\n\t\t\t} else if ( offset == 'before' ) {\n\t\t\t\treturn this._createBefore( node );\n\t\t\t} else if ( offset == 'after' ) {\n\t\t\t\treturn this._createAfter( node );\n\t\t\t} else if ( offset !== 0 && !offset ) {\n\t\t\t\t/**\n\t\t\t\t * {@link module:engine/view/view~View#createPositionAt `View#createPositionAt()`}\n\t\t\t\t * requires the offset to be specified when the first parameter is a view item.\n\t\t\t\t *\n\t\t\t\t * @error view-createpositionat-offset-required\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'view-createpositionat-offset-required', node );\n\t\t\t}\n\n\t\t\treturn new Position( node, offset );\n\t\t}\n\t}\n\n\t/**\n\t * Creates a new position after given view item.\n\t *\n\t * @protected\n\t * @param {module:engine/view/item~Item} item View item after which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tstatic _createAfter( item ) {\n\t\t// TextProxy is not a instance of Node so we need do handle it in specific way.\n\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\treturn new Position( item.textNode, item.offsetInText + item.data.length );\n\t\t}\n\n\t\tif ( !item.parent ) {\n\t\t\t/**\n\t\t\t * You can not make a position after a root.\n\t\t\t *\n\t\t\t * @error view-position-after-root\n\t\t\t * @param {module:engine/view/node~Node} root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-position-after-root', item, { root: item } );\n\t\t}\n\n\t\treturn new Position( item.parent, item.index + 1 );\n\t}\n\n\t/**\n\t * Creates a new position before given view item.\n\t *\n\t * @protected\n\t * @param {module:engine/view/item~Item} item View item before which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tstatic _createBefore( item ) {\n\t\t// TextProxy is not a instance of Node so we need do handle it in specific way.\n\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\treturn new Position( item.textNode, item.offsetInText );\n\t\t}\n\n\t\tif ( !item.parent ) {\n\t\t\t/**\n\t\t\t * You cannot make a position before a root.\n\t\t\t *\n\t\t\t * @error view-position-before-root\n\t\t\t * @param {module:engine/view/node~Node} root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-position-before-root', item, { root: item } );\n\t\t}\n\n\t\treturn new Position( item.parent, item.index );\n\t}\n}\n\n/**\n * A flag indicating whether this position is `'before'` or `'after'` or `'same'` as given position.\n * If positions are in different roots `'different'` flag is returned.\n *\n * @typedef {String} module:engine/view/position~PositionRelation\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/range\n */\n\nimport Position from './position';\nimport TreeWalker from './treewalker';\n\n/**\n * Range in the view tree. A range is represented by its start and end {@link module:engine/view/position~Position positions}.\n *\n * In order to create a new position instance use the `createPosition*()` factory methods available in:\n *\n * * {@link module:engine/view/view~View}\n * * {@link module:engine/view/downcastwriter~DowncastWriter}\n * * {@link module:engine/view/upcastwriter~UpcastWriter}\n */\nexport default class Range {\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * **Note:** Constructor creates it's own {@link module:engine/view/position~Position} instances basing on passed values.\n\t *\n\t * @param {module:engine/view/position~Position} start Start position.\n\t * @param {module:engine/view/position~Position} [end] End position. If not set, range will be collapsed at the `start` position.\n\t */\n\tconstructor( start, end = null ) {\n\t\t/**\n\t\t * Start position.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/position~Position}\n\t\t */\n\t\tthis.start = start.clone();\n\n\t\t/**\n\t\t * End position.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/position~Position}\n\t\t */\n\t\tthis.end = end ? end.clone() : start.clone();\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all {@link module:engine/view/item~Item view items} that are in this range and returns\n\t * them together with additional information like length or {@link module:engine/view/position~Position positions},\n\t * grouped as {@link module:engine/view/treewalker~TreeWalkerValue}.\n\t *\n\t * This iterator uses {@link module:engine/view/treewalker~TreeWalker TreeWalker} with `boundaries` set to this range and\n\t * `ignoreElementEnd` option\n\t * set to `true`.\n\t *\n\t * @returns {Iterable.<module:engine/view/treewalker~TreeWalkerValue>}\n\t */\n\t* [ Symbol.iterator ]() {\n\t\tyield* new TreeWalker( { boundaries: this, ignoreElementEnd: true } );\n\t}\n\n\t/**\n\t * Returns whether the range is collapsed, that is it start and end positions are equal.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this.start.isEqual( this.end );\n\t}\n\n\t/**\n\t * Returns whether this range is flat, that is if {@link module:engine/view/range~Range#start start} position and\n\t * {@link module:engine/view/range~Range#end end} position are in the same {@link module:engine/view/position~Position#parent parent}.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isFlat() {\n\t\treturn this.start.parent === this.end.parent;\n\t}\n\n\t/**\n\t * Range root element.\n\t *\n\t * @type {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.start.root;\n\t}\n\n\t/**\n\t * Creates a maximal range that has the same content as this range but is expanded in both ways (at the beginning\n\t * and at the end).\n\t *\n\t * For example:\n\t *\n\t *\t\t<p>Foo</p><p><b>{Bar}</b></p> -> <p>Foo</p>[<p><b>Bar</b>]</p>\n\t *\t\t<p><b>foo</b>{bar}<span></span></p> -> <p><b>foo[</b>bar<span></span>]</p>\n\t *\n\t * Note that in the sample above:\n\t *\n\t * - `<p>` have type of {@link module:engine/view/containerelement~ContainerElement},\n\t * - `<b>` have type of {@link module:engine/view/attributeelement~AttributeElement},\n\t * - `<span>` have type of {@link module:engine/view/uielement~UIElement}.\n\t *\n\t * @returns {module:engine/view/range~Range} Enlarged range.\n\t */\n\tgetEnlarged() {\n\t\tlet start = this.start.getLastMatchingPosition( enlargeTrimSkip, { direction: 'backward' } );\n\t\tlet end = this.end.getLastMatchingPosition( enlargeTrimSkip );\n\n\t\t// Fix positions, in case if they are in Text node.\n\t\tif ( start.parent.is( '$text' ) && start.isAtStart ) {\n\t\t\tstart = Position._createBefore( start.parent );\n\t\t}\n\n\t\tif ( end.parent.is( '$text' ) && end.isAtEnd ) {\n\t\t\tend = Position._createAfter( end.parent );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Creates a minimum range that has the same content as this range but is trimmed in both ways (at the beginning\n\t * and at the end).\n\t *\n\t * For example:\n\t *\n\t *\t\t<p>Foo</p>[<p><b>Bar</b>]</p> -> <p>Foo</p><p><b>{Bar}</b></p>\n\t *\t\t<p><b>foo[</b>bar<span></span>]</p> -> <p><b>foo</b>{bar}<span></span></p>\n\t *\n\t * Note that in the sample above:\n\t *\n\t * - `<p>` have type of {@link module:engine/view/containerelement~ContainerElement},\n\t * - `<b>` have type of {@link module:engine/view/attributeelement~AttributeElement},\n\t * - `<span>` have type of {@link module:engine/view/uielement~UIElement}.\n\t *\n\t * @returns {module:engine/view/range~Range} Shrink range.\n\t */\n\tgetTrimmed() {\n\t\tlet start = this.start.getLastMatchingPosition( enlargeTrimSkip );\n\n\t\tif ( start.isAfter( this.end ) || start.isEqual( this.end ) ) {\n\t\t\treturn new Range( start, start );\n\t\t}\n\n\t\tlet end = this.end.getLastMatchingPosition( enlargeTrimSkip, { direction: 'backward' } );\n\t\tconst nodeAfterStart = start.nodeAfter;\n\t\tconst nodeBeforeEnd = end.nodeBefore;\n\n\t\t// Because TreeWalker prefers positions next to text node, we need to move them manually into these text nodes.\n\t\tif ( nodeAfterStart && nodeAfterStart.is( '$text' ) ) {\n\t\t\tstart = new Position( nodeAfterStart, 0 );\n\t\t}\n\n\t\tif ( nodeBeforeEnd && nodeBeforeEnd.is( '$text' ) ) {\n\t\t\tend = new Position( nodeBeforeEnd, nodeBeforeEnd.data.length );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Two ranges are equal if their start and end positions are equal.\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to compare with.\n\t * @returns {Boolean} `true` if ranges are equal, `false` otherwise\n\t */\n\tisEqual( otherRange ) {\n\t\treturn this == otherRange || ( this.start.isEqual( otherRange.start ) && this.end.isEqual( otherRange.end ) );\n\t}\n\n\t/**\n\t * Checks whether this range contains given {@link module:engine/view/position~Position position}.\n\t *\n\t * @param {module:engine/view/position~Position} position Position to check.\n\t * @returns {Boolean} `true` if given {@link module:engine/view/position~Position position} is contained in this range,\n\t * `false` otherwise.\n\t */\n\tcontainsPosition( position ) {\n\t\treturn position.isAfter( this.start ) && position.isBefore( this.end );\n\t}\n\n\t/**\n\t * Checks whether this range contains given {@link module:engine/view/range~Range range}.\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to check.\n\t * @param {Boolean} [loose=false] Whether the check is loose or strict. If the check is strict (`false`), compared range cannot\n\t * start or end at the same position as this range boundaries. If the check is loose (`true`), compared range can start, end or\n\t * even be equal to this range. Note that collapsed ranges are always compared in strict mode.\n\t * @returns {Boolean} `true` if given {@link module:engine/view/range~Range range} boundaries are contained by this range, `false`\n\t * otherwise.\n\t */\n\tcontainsRange( otherRange, loose = false ) {\n\t\tif ( otherRange.isCollapsed ) {\n\t\t\tloose = false;\n\t\t}\n\n\t\tconst containsStart = this.containsPosition( otherRange.start ) || ( loose && this.start.isEqual( otherRange.start ) );\n\t\tconst containsEnd = this.containsPosition( otherRange.end ) || ( loose && this.end.isEqual( otherRange.end ) );\n\n\t\treturn containsStart && containsEnd;\n\t}\n\n\t/**\n\t * Computes which part(s) of this {@link module:engine/view/range~Range range} is not a part of given\n\t * {@link module:engine/view/range~Range range}.\n\t * Returned array contains zero, one or two {@link module:engine/view/range~Range ranges}.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet foo = downcastWriter.createText( 'foo' );\n\t *\t\tlet img = downcastWriter.createContainerElement( 'img' );\n\t *\t\tlet bar = downcastWriter.createText( 'bar' );\n\t *\t\tlet p = downcastWriter.createContainerElement( 'p', null, [ foo, img, bar ] );\n\t *\n\t *\t\tlet range = view.createRange( view.createPositionAt( foo, 2 ), view.createPositionAt( bar, 1 ); // \"o\", img, \"b\" are in range.\n\t *\t\tlet otherRange = view.createRange( // \"oo\", img, \"ba\" are in range.\n\t *\t\t\tview.createPositionAt( foo, 1 ),\n\t *\t\t\tview.createPositionAt( bar, 2 )\n\t *\t\t);\n\t *\t\tlet transformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has no ranges because `otherRange` contains `range`\n\t *\n\t *\t\totherRange = view.createRange( view.createPositionAt( foo, 1 ), view.createPositionAt( p, 2 ); // \"oo\", img are in range.\n\t *\t\ttransformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has one range: from ( p, 2 ) to ( bar, 1 )\n\t *\n\t *\t\totherRange = view.createRange( view.createPositionAt( p, 1 ), view.createPositionAt( p, 2 ) ); // img is in range.\n\t *\t\ttransformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has two ranges: from ( foo, 1 ) to ( p, 1 ) and from ( p, 2 ) to ( bar, 1 )\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to differentiate against.\n\t * @returns {Array.<module:engine/view/range~Range>} The difference between ranges.\n\t */\n\tgetDifference( otherRange ) {\n\t\tconst ranges = [];\n\n\t\tif ( this.isIntersecting( otherRange ) ) {\n\t\t\t// Ranges intersect.\n\n\t\t\tif ( this.containsPosition( otherRange.start ) ) {\n\t\t\t\t// Given range start is inside this range. This means that we have to\n\t\t\t\t// add shrunken range - from the start to the middle of this range.\n\t\t\t\tranges.push( new Range( this.start, otherRange.start ) );\n\t\t\t}\n\n\t\t\tif ( this.containsPosition( otherRange.end ) ) {\n\t\t\t\t// Given range end is inside this range. This means that we have to\n\t\t\t\t// add shrunken range - from the middle of this range to the end.\n\t\t\t\tranges.push( new Range( otherRange.end, this.end ) );\n\t\t\t}\n\t\t} else {\n\t\t\t// Ranges do not intersect, return the original range.\n\t\t\tranges.push( this.clone() );\n\t\t}\n\n\t\treturn ranges;\n\t}\n\n\t/**\n\t * Returns an intersection of this {@link module:engine/view/range~Range range} and given {@link module:engine/view/range~Range range}.\n\t * Intersection is a common part of both of those ranges. If ranges has no common part, returns `null`.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet foo = downcastWriter.createText( 'foo' );\n\t *\t\tlet img = downcastWriter.createContainerElement( 'img' );\n\t *\t\tlet bar = downcastWriter.createText( 'bar' );\n\t *\t\tlet p = downcastWriter.createContainerElement( 'p', null, [ foo, img, bar ] );\n\t *\n\t *\t\tlet range = view.createRange( view.createPositionAt( foo, 2 ), view.createPositionAt( bar, 1 ); // \"o\", img, \"b\" are in range.\n\t *\t\tlet otherRange = view.createRange( view.createPositionAt( foo, 1 ), view.createPositionAt( p, 2 ); // \"oo\", img are in range.\n\t *\t\tlet transformed = range.getIntersection( otherRange ); // range from ( foo, 1 ) to ( p, 2 ).\n\t *\n\t *\t\totherRange = view.createRange( view.createPositionAt( bar, 1 ), view.createPositionAt( bar, 3 ); \"ar\" is in range.\n\t *\t\ttransformed = range.getIntersection( otherRange ); // null - no common part.\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to check for intersection.\n\t * @returns {module:engine/view/range~Range|null} A common part of given ranges or `null` if ranges have no common part.\n\t */\n\tgetIntersection( otherRange ) {\n\t\tif ( this.isIntersecting( otherRange ) ) {\n\t\t\t// Ranges intersect, so a common range will be returned.\n\t\t\t// At most, it will be same as this range.\n\t\t\tlet commonRangeStart = this.start;\n\t\t\tlet commonRangeEnd = this.end;\n\n\t\t\tif ( this.containsPosition( otherRange.start ) ) {\n\t\t\t\t// Given range start is inside this range. This means thaNt we have to\n\t\t\t\t// shrink common range to the given range start.\n\t\t\t\tcommonRangeStart = otherRange.start;\n\t\t\t}\n\n\t\t\tif ( this.containsPosition( otherRange.end ) ) {\n\t\t\t\t// Given range end is inside this range. This means that we have to\n\t\t\t\t// shrink common range to the given range end.\n\t\t\t\tcommonRangeEnd = otherRange.end;\n\t\t\t}\n\n\t\t\treturn new Range( commonRangeStart, commonRangeEnd );\n\t\t}\n\n\t\t// Ranges do not intersect, so they do not have common part.\n\t\treturn null;\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/view/treewalker~TreeWalker TreeWalker} instance with this range as a boundary.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}.\n\t * @param {module:engine/view/position~Position} [options.startPosition]\n\t * @param {Boolean} [options.singleCharacters=false]\n\t * @param {Boolean} [options.shallow=false]\n\t * @param {Boolean} [options.ignoreElementEnd=false]\n\t * @returns {module:engine/view/treewalker~TreeWalker}\n\t */\n\tgetWalker( options = {} ) {\n\t\toptions.boundaries = this;\n\n\t\treturn new TreeWalker( options );\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/view/node~Node} or {@link module:engine/view/documentfragment~DocumentFragment}\n\t * which is a common ancestor of range's both ends (in which the entire range is contained).\n\t *\n\t * @returns {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor() {\n\t\treturn this.start.getCommonAncestor( this.end );\n\t}\n\n\t/**\n\t * Returns an {@link module:engine/view/element~Element Element} contained by the range.\n\t * The element will be returned when it is the **only** node within the range and **fully–contained**\n\t * at the same time.\n\t *\n\t * @returns {module:engine/view/element~Element|null}\n\t */\n\tgetContainedElement() {\n\t\tif ( this.isCollapsed ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tlet nodeAfterStart = this.start.nodeAfter;\n\t\tlet nodeBeforeEnd = this.end.nodeBefore;\n\n\t\t// Handle the situation when the range position is at the beginning / at the end of a text node.\n\t\t// In such situation `.nodeAfter` and `.nodeBefore` are `null` but the range still might be spanning\n\t\t// over one element.\n\t\t//\n\t\t// <p>Foo{<span class=\"widget\"></span>}bar</p> vs <p>Foo[<span class=\"widget\"></span>]bar</p>\n\t\t//\n\t\t// These are basically the same range, only the difference is if the range position is at\n\t\t// at the end/at the beginning of a text node or just before/just after the text node.\n\t\t//\n\t\tif ( this.start.parent.is( '$text' ) && this.start.isAtEnd && this.start.parent.nextSibling ) {\n\t\t\tnodeAfterStart = this.start.parent.nextSibling;\n\t\t}\n\n\t\tif ( this.end.parent.is( '$text' ) && this.end.isAtStart && this.end.parent.previousSibling ) {\n\t\t\tnodeBeforeEnd = this.end.parent.previousSibling;\n\t\t}\n\n\t\tif ( nodeAfterStart && nodeAfterStart.is( 'element' ) && nodeAfterStart === nodeBeforeEnd ) {\n\t\t\treturn nodeAfterStart;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Clones this range.\n\t *\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tclone() {\n\t\treturn new Range( this.start, this.end );\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all {@link module:engine/view/item~Item view items} that are in this range and returns\n\t * them.\n\t *\n\t * This method uses {@link module:engine/view/treewalker~TreeWalker} with `boundaries` set to this range and `ignoreElementEnd` option\n\t * set to `true`. However it returns only {@link module:engine/view/item~Item items},\n\t * not {@link module:engine/view/treewalker~TreeWalkerValue}.\n\t *\n\t * You may specify additional options for the tree walker. See {@link module:engine/view/treewalker~TreeWalker} for\n\t * a full list of available options.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}.\n\t * @returns {Iterable.<module:engine/view/item~Item>}\n\t */\n\t* getItems( options = {} ) {\n\t\toptions.boundaries = this;\n\t\toptions.ignoreElementEnd = true;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\tyield value.item;\n\t\t}\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all {@link module:engine/view/position~Position positions} that are boundaries or\n\t * contained in this range.\n\t *\n\t * This method uses {@link module:engine/view/treewalker~TreeWalker} with `boundaries` set to this range. However it returns only\n\t * {@link module:engine/view/position~Position positions}, not {@link module:engine/view/treewalker~TreeWalkerValue}.\n\t *\n\t * You may specify additional options for the tree walker. See {@link module:engine/view/treewalker~TreeWalker} for\n\t * a full list of available options.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}.\n\t * @returns {Iterable.<module:engine/view/position~Position>}\n\t */\n\t* getPositions( options = {} ) {\n\t\toptions.boundaries = this;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\n\t\tyield treeWalker.position;\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\tyield value.nextPosition;\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\trange.is( 'range' ); // -> true\n\t *\t\trange.is( 'view:range' ); // -> true\n\t *\n\t *\t\trange.is( 'model:range' ); // -> false\n\t *\t\trange.is( 'element' ); // -> false\n\t *\t\trange.is( 'selection' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'range' || type === 'view:range';\n\t}\n\n\t/**\n\t * Checks and returns whether this range intersects with the given range.\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to compare with.\n\t * @returns {Boolean} True if ranges intersect.\n\t */\n\tisIntersecting( otherRange ) {\n\t\treturn this.start.isBefore( otherRange.end ) && this.end.isAfter( otherRange.start );\n\t}\n\n\t/**\n\t * Creates a range from the given parents and offsets.\n\t *\n\t * @protected\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} startElement Start position\n\t * parent element.\n\t * @param {Number} startOffset Start position offset.\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} endElement End position\n\t * parent element.\n\t * @param {Number} endOffset End position offset.\n\t * @returns {module:engine/view/range~Range} Created range.\n\t */\n\tstatic _createFromParentsAndOffsets( startElement, startOffset, endElement, endOffset ) {\n\t\treturn new this(\n\t\t\tnew Position( startElement, startOffset ),\n\t\t\tnew Position( endElement, endOffset )\n\t\t);\n\t}\n\n\t/**\n\t * Creates a new range, spreading from specified {@link module:engine/view/position~Position position} to a position moved by\n\t * given `shift`. If `shift` is a negative value, shifted position is treated as the beginning of the range.\n\t *\n\t * @protected\n\t * @param {module:engine/view/position~Position} position Beginning of the range.\n\t * @param {Number} shift How long the range should be.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tstatic _createFromPositionAndShift( position, shift ) {\n\t\tconst start = position;\n\t\tconst end = position.getShiftedBy( shift );\n\n\t\treturn shift > 0 ? new this( start, end ) : new this( end, start );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @protected\n\t * @param {module:engine/view/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tstatic _createIn( element ) {\n\t\treturn this._createFromParentsAndOffsets( element, 0, element, element.childCount );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/view/item~Item view item} and ends after it.\n\t *\n\t * @protected\n\t * @param {module:engine/view/item~Item} item\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tstatic _createOn( item ) {\n\t\tconst size = item.is( '$textProxy' ) ? item.offsetSize : 1;\n\n\t\treturn this._createFromPositionAndShift( Position._createBefore( item ), size );\n\t}\n}\n\n// Function used by getEnlarged and getTrimmed methods.\nfunction enlargeTrimSkip( value ) {\n\tif ( value.item.is( 'attributeElement' ) || value.item.is( 'uiElement' ) ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/count\n */\n\n/**\n * Returns the number of items return by the iterator.\n *\n *\t\tcount( [ 1, 2, 3, 4, 5 ] ); // 5;\n *\n * @param {Iterable.<*>} iterator Any iterator.\n * @returns {Number} Number of items returned by that iterator.\n */\nexport default function count( iterator ) {\n\tlet count = 0;\n\n\tfor ( const _ of iterator ) { // eslint-disable-line no-unused-vars\n\t\tcount++;\n\t}\n\n\treturn count;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/selection\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Range from './range';\nimport Position from './position';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport Node from './node';\nimport count from '@ckeditor/ckeditor5-utils/src/count';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\nimport DocumentSelection from './documentselection';\n\n/**\n * Class representing an arbirtary selection in the view.\n * See also {@link module:engine/view/documentselection~DocumentSelection}.\n *\n * New selection instances can be created via the constructor or one these methods:\n *\n * * {@link module:engine/view/view~View#createSelection `View#createSelection()`},\n * * {@link module:engine/view/upcastwriter~UpcastWriter#createSelection `UpcastWriter#createSelection()`}.\n *\n * A selection can consist of {@link module:engine/view/range~Range ranges} that can be set by using\n * the {@link module:engine/view/selection~Selection#setTo `Selection#setTo()`} method.\n */\nexport default class Selection {\n\t/**\n\t * Creates new selection instance.\n\t *\n\t * **Note**: The selection constructor is available as a factory method:\n\t *\n\t * * {@link module:engine/view/view~View#createSelection `View#createSelection()`},\n\t * * {@link module:engine/view/upcastwriter~UpcastWriter#createSelection `UpcastWriter#createSelection()`}.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the document selection.\n\t *\t\tconst selection = writer.createSelection( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'paragraph' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s constructor allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = writer.createSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\tconstructor( selectable = null, placeOrOffset, options ) {\n\t\t/**\n\t\t * Stores all ranges that are selected.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array.<module:engine/view/range~Range>}\n\t\t */\n\t\tthis._ranges = [];\n\n\t\t/**\n\t\t * Specifies whether the last added range was added as a backward or forward range.\n\t\t *\n\t\t * @protected\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._lastRangeBackward = false;\n\n\t\t/**\n\t\t * Specifies whether selection instance is fake.\n\t\t *\n\t\t * @private\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._isFake = false;\n\n\t\t/**\n\t\t * Fake selection's label.\n\t\t *\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._fakeSelectionLabel = '';\n\n\t\tthis.setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Returns true if selection instance is marked as `fake`.\n\t *\n\t * @see #setTo\n\t * @returns {Boolean}\n\t */\n\tget isFake() {\n\t\treturn this._isFake;\n\t}\n\n\t/**\n\t * Returns fake selection label.\n\t *\n\t * @see #setTo\n\t * @returns {String}\n\t */\n\tget fakeSelectionLabel() {\n\t\treturn this._fakeSelectionLabel;\n\t}\n\n\t/**\n\t * Selection anchor. Anchor may be described as a position where the selection starts. Together with\n\t * {@link #focus focus} they define the direction of selection, which is important\n\t * when expanding/shrinking selection. Anchor is always the start or end of the most recent added range.\n\t * It may be a bit unintuitive when there are multiple ranges in selection.\n\t *\n\t * @see #focus\n\t * @type {module:engine/view/position~Position}\n\t */\n\tget anchor() {\n\t\tif ( !this._ranges.length ) {\n\t\t\treturn null;\n\t\t}\n\t\tconst range = this._ranges[ this._ranges.length - 1 ];\n\t\tconst anchor = this._lastRangeBackward ? range.end : range.start;\n\n\t\treturn anchor.clone();\n\t}\n\n\t/**\n\t * Selection focus. Focus is a position where the selection ends.\n\t *\n\t * @see #anchor\n\t * @type {module:engine/view/position~Position}\n\t */\n\tget focus() {\n\t\tif ( !this._ranges.length ) {\n\t\t\treturn null;\n\t\t}\n\t\tconst range = this._ranges[ this._ranges.length - 1 ];\n\t\tconst focus = this._lastRangeBackward ? range.start : range.end;\n\n\t\treturn focus.clone();\n\t}\n\n\t/**\n\t * Returns whether the selection is collapsed. Selection is collapsed when there is exactly one range which is\n\t * collapsed.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this.rangeCount === 1 && this._ranges[ 0 ].isCollapsed;\n\t}\n\n\t/**\n\t * Returns number of ranges in selection.\n\t *\n\t * @type {Number}\n\t */\n\tget rangeCount() {\n\t\treturn this._ranges.length;\n\t}\n\n\t/**\n\t * Specifies whether the {@link #focus} precedes {@link #anchor}.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isBackward() {\n\t\treturn !this.isCollapsed && this._lastRangeBackward;\n\t}\n\n\t/**\n\t * {@link module:engine/view/editableelement~EditableElement EditableElement} instance that contains this selection, or `null`\n\t * if the selection is not inside an editable element.\n\t *\n\t * @type {module:engine/view/editableelement~EditableElement|null}\n\t */\n\tget editableElement() {\n\t\tif ( this.anchor ) {\n\t\t\treturn this.anchor.editableElement;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns an iterable that contains copies of all ranges added to the selection.\n\t *\n\t * @returns {Iterable.<module:engine/view/range~Range>}\n\t */\n\t* getRanges() {\n\t\tfor ( const range of this._ranges ) {\n\t\t\tyield range.clone();\n\t\t}\n\t}\n\n\t/**\n\t * Returns copy of the first range in the selection. First range is the one which\n\t * {@link module:engine/view/range~Range#start start} position {@link module:engine/view/position~Position#isBefore is before} start\n\t * position of all other ranges (not to confuse with the first range added to the selection).\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/range~Range|null}\n\t */\n\tgetFirstRange() {\n\t\tlet first = null;\n\n\t\tfor ( const range of this._ranges ) {\n\t\t\tif ( !first || range.start.isBefore( first.start ) ) {\n\t\t\t\tfirst = range;\n\t\t\t}\n\t\t}\n\n\t\treturn first ? first.clone() : null;\n\t}\n\n\t/**\n\t * Returns copy of the last range in the selection. Last range is the one which {@link module:engine/view/range~Range#end end}\n\t * position {@link module:engine/view/position~Position#isAfter is after} end position of all other ranges (not to confuse\n\t * with the last range added to the selection). Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/range~Range|null}\n\t */\n\tgetLastRange() {\n\t\tlet last = null;\n\n\t\tfor ( const range of this._ranges ) {\n\t\t\tif ( !last || range.end.isAfter( last.end ) ) {\n\t\t\t\tlast = range;\n\t\t\t}\n\t\t}\n\n\t\treturn last ? last.clone() : null;\n\t}\n\n\t/**\n\t * Returns copy of the first position in the selection. First position is the position that\n\t * {@link module:engine/view/position~Position#isBefore is before} any other position in the selection ranges.\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/position~Position|null}\n\t */\n\tgetFirstPosition() {\n\t\tconst firstRange = this.getFirstRange();\n\n\t\treturn firstRange ? firstRange.start.clone() : null;\n\t}\n\n\t/**\n\t * Returns copy of the last position in the selection. Last position is the position that\n\t * {@link module:engine/view/position~Position#isAfter is after} any other position in the selection ranges.\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/position~Position|null}\n\t */\n\tgetLastPosition() {\n\t\tconst lastRange = this.getLastRange();\n\n\t\treturn lastRange ? lastRange.end.clone() : null;\n\t}\n\n\t/**\n\t * Checks whether, this selection is equal to given selection. Selections are equal if they have same directions,\n\t * same number of ranges and all ranges from one selection equal to a range from other selection.\n\t *\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are equal, `false` otherwise.\n\t */\n\tisEqual( otherSelection ) {\n\t\tif ( this.isFake != otherSelection.isFake ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( this.isFake && this.fakeSelectionLabel != otherSelection.fakeSelectionLabel ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( this.rangeCount != otherSelection.rangeCount ) {\n\t\t\treturn false;\n\t\t} else if ( this.rangeCount === 0 ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif ( !this.anchor.isEqual( otherSelection.anchor ) || !this.focus.isEqual( otherSelection.focus ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tfor ( const thisRange of this._ranges ) {\n\t\t\tlet found = false;\n\n\t\t\tfor ( const otherRange of otherSelection._ranges ) {\n\t\t\t\tif ( thisRange.isEqual( otherRange ) ) {\n\t\t\t\t\tfound = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( !found ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Checks whether this selection is similar to given selection. Selections are similar if they have same directions, same\n\t * number of ranges, and all {@link module:engine/view/range~Range#getTrimmed trimmed} ranges from one selection are\n\t * equal to any trimmed range from other selection.\n\t *\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are similar, `false` otherwise.\n\t */\n\tisSimilar( otherSelection ) {\n\t\tif ( this.isBackward != otherSelection.isBackward ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst numOfRangesA = count( this.getRanges() );\n\t\tconst numOfRangesB = count( otherSelection.getRanges() );\n\n\t\t// If selections have different number of ranges, they cannot be similar.\n\t\tif ( numOfRangesA != numOfRangesB ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// If both selections have no ranges, they are similar.\n\t\tif ( numOfRangesA == 0 ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Check if each range in one selection has a similar range in other selection.\n\t\tfor ( let rangeA of this.getRanges() ) {\n\t\t\trangeA = rangeA.getTrimmed();\n\n\t\t\tlet found = false;\n\n\t\t\tfor ( let rangeB of otherSelection.getRanges() ) {\n\t\t\t\trangeB = rangeB.getTrimmed();\n\n\t\t\t\tif ( rangeA.start.isEqual( rangeB.start ) && rangeA.end.isEqual( rangeB.end ) ) {\n\t\t\t\t\tfound = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// For `rangeA`, neither range in `otherSelection` was similar. So selections are not similar.\n\t\t\tif ( !found ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// There were no ranges that weren't matched. Selections are similar.\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns the selected element. {@link module:engine/view/element~Element Element} is considered as selected if there is only\n\t * one range in the selection, and that range contains exactly one element.\n\t * Returns `null` if there is no selected element.\n\t *\n\t * @returns {module:engine/view/element~Element|null}\n\t */\n\tgetSelectedElement() {\n\t\tif ( this.rangeCount !== 1 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.getFirstRange().getContainedElement();\n\t}\n\n\t/**\n\t * Sets this selection's ranges and direction to the specified location based on the given\n\t * {@link module:engine/view/selection~Selectable selectable}.\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tselection.setTo( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tselection.setTo( range );\n\t *\n\t *\t\t// Sets selection to the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tselection.setTo( otherSelection );\n\t *\n\t *\t \t// Sets selection to contents of DocumentSelection.\n\t *\t\tselection.setTo( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPositionAt( root, path );\n\t *\t\tselection.setTo( position );\n\t *\n\t * \t\t// Sets collapsed selection at the position of given item and offset.\n\t *\t\tselection.setTo( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t *\t\tselection.setTo( paragraph, 'in' );\n\t *\n\t * Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\tselection.setTo( paragraph, 'on' );\n\t *\n\t * \t\t// Clears selection. Removes all ranges.\n\t *\t\tselection.setTo( null );\n\t *\n\t * `Selection#setTo()` method allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Sets selection as backward.\n\t *\t\tselection.setTo( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tselection.setTo( range, { fake: true, label: 'foo' } );\n\t *\n\t * @fires change\n\t * @param {module:engine/view/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\tsetTo( selectable, placeOrOffset, options ) {\n\t\tif ( selectable === null ) {\n\t\t\tthis._setRanges( [] );\n\t\t\tthis._setFakeOptions( placeOrOffset );\n\t\t} else if ( selectable instanceof Selection || selectable instanceof DocumentSelection ) {\n\t\t\tthis._setRanges( selectable.getRanges(), selectable.isBackward );\n\t\t\tthis._setFakeOptions( { fake: selectable.isFake, label: selectable.fakeSelectionLabel } );\n\t\t} else if ( selectable instanceof Range ) {\n\t\t\tthis._setRanges( [ selectable ], placeOrOffset && placeOrOffset.backward );\n\t\t\tthis._setFakeOptions( placeOrOffset );\n\t\t} else if ( selectable instanceof Position ) {\n\t\t\tthis._setRanges( [ new Range( selectable ) ] );\n\t\t\tthis._setFakeOptions( placeOrOffset );\n\t\t} else if ( selectable instanceof Node ) {\n\t\t\tconst backward = !!options && !!options.backward;\n\t\t\tlet range;\n\n\t\t\tif ( placeOrOffset === undefined ) {\n\t\t\t\t/**\n\t\t\t\t * selection.setTo requires the second parameter when the first parameter is a node.\n\t\t\t\t *\n\t\t\t\t * @error view-selection-setto-required-second-parameter\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'view-selection-setto-required-second-parameter', this );\n\t\t\t} else if ( placeOrOffset == 'in' ) {\n\t\t\t\trange = Range._createIn( selectable );\n\t\t\t} else if ( placeOrOffset == 'on' ) {\n\t\t\t\trange = Range._createOn( selectable );\n\t\t\t} else {\n\t\t\t\trange = new Range( Position._createAt( selectable, placeOrOffset ) );\n\t\t\t}\n\n\t\t\tthis._setRanges( [ range ], backward );\n\t\t\tthis._setFakeOptions( options );\n\t\t} else if ( isIterable( selectable ) ) {\n\t\t\t// We assume that the selectable is an iterable of ranges.\n\t\t\t// Array.from() is used to prevent setting ranges to the old iterable\n\t\t\tthis._setRanges( selectable, placeOrOffset && placeOrOffset.backward );\n\t\t\tthis._setFakeOptions( placeOrOffset );\n\t\t} else {\n\t\t\t/**\n\t\t\t * Cannot set selection to given place.\n\t\t\t *\n\t\t\t * @error view-selection-setto-not-selectable\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-selection-setto-not-selectable', this );\n\t\t}\n\n\t\tthis.fire( 'change' );\n\t}\n\n\t/**\n\t * Moves {@link #focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as {@link module:engine/view/view~View#createPositionAt view.createPositionAt()}\n\t * parameters.\n\t *\n\t * @fires change\n\t * @param {module:engine/view/item~Item|module:engine/view/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tsetFocus( itemOrPosition, offset ) {\n\t\tif ( this.anchor === null ) {\n\t\t\t/**\n\t\t\t * Cannot set selection focus if there are no ranges in selection.\n\t\t\t *\n\t\t\t * @error view-selection-setfocus-no-ranges\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-selection-setfocus-no-ranges', this );\n\t\t}\n\n\t\tconst newFocus = Position._createAt( itemOrPosition, offset );\n\n\t\tif ( newFocus.compareWith( this.focus ) == 'same' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst anchor = this.anchor;\n\n\t\tthis._ranges.pop();\n\n\t\tif ( newFocus.compareWith( anchor ) == 'before' ) {\n\t\t\tthis._addRange( new Range( newFocus, anchor ), true );\n\t\t} else {\n\t\t\tthis._addRange( new Range( anchor, newFocus ) );\n\t\t}\n\n\t\tthis.fire( 'change' );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tselection.is( 'selection' ); // -> true\n\t *\t\tselection.is( 'view:selection' ); // -> true\n\t *\n\t *\t\tselection.is( 'model:selection' ); // -> false\n\t *\t\tselection.is( 'element' ); // -> false\n\t *\t\tselection.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'selection' || type === 'view:selection';\n\t}\n\n\t/**\n\t * Replaces all ranges that were added to the selection with given array of ranges. Last range of the array\n\t * is treated like the last added range and is used to set {@link #anchor anchor} and {@link #focus focus}.\n\t * Accepts a flag describing in which way the selection is made.\n\t *\n\t * @private\n\t * @param {Iterable.<module:engine/view/range~Range>} newRanges Iterable object of ranges to set.\n\t * @param {Boolean} [isLastBackward=false] Flag describing if last added range was selected forward - from start to end\n\t * (`false`) or backward - from end to start (`true`). Defaults to `false`.\n\t */\n\t_setRanges( newRanges, isLastBackward = false ) {\n\t\t// New ranges should be copied to prevent removing them by setting them to `[]` first.\n\t\t// Only applies to situations when selection is set to the same selection or same selection's ranges.\n\t\tnewRanges = Array.from( newRanges );\n\n\t\tthis._ranges = [];\n\n\t\tfor ( const range of newRanges ) {\n\t\t\tthis._addRange( range );\n\t\t}\n\n\t\tthis._lastRangeBackward = !!isLastBackward;\n\t}\n\n\t/**\n\t * Sets this selection instance to be marked as `fake`. A fake selection does not render as browser native selection\n\t * over selected elements and is hidden to the user. This way, no native selection UI artifacts are displayed to\n\t * the user and selection over elements can be represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM (and be\n\t * properly handled by screen readers).\n\t *\n\t * @private\n\t * @param {Object} [options] Options.\n\t * @param {Boolean} [options.fake] If set to true selection will be marked as `fake`.\n\t * @param {String} [options.label=''] Fake selection label.\n\t */\n\t_setFakeOptions( options = {} ) {\n\t\tthis._isFake = !!options.fake;\n\t\tthis._fakeSelectionLabel = options.fake ? options.label || '' : '';\n\t}\n\n\t/**\n\t * Adds a range to the selection. Added range is copied. This means that passed range is not saved in the\n\t * selection instance and you can safely operate on it.\n\t *\n\t * Accepts a flag describing in which way the selection is made - passed range might be selected from\n\t * {@link module:engine/view/range~Range#start start} to {@link module:engine/view/range~Range#end end}\n\t * or from {@link module:engine/view/range~Range#end end} to {@link module:engine/view/range~Range#start start}.\n\t * The flag is used to set {@link #anchor anchor} and {@link #focus focus} properties.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-selection-range-intersects` if added range intersects\n\t * with ranges already stored in Selection instance.\n\t *\n\t * @private\n\t * @fires change\n\t * @param {module:engine/view/range~Range} range\n\t * @param {Boolean} [isBackward]\n\t */\n\t_addRange( range, isBackward = false ) {\n\t\tif ( !( range instanceof Range ) ) {\n\t\t\t/**\n\t\t\t * Selection range set to an object that is not an instance of {@link module:engine/view/range~Range}.\n\t\t\t *\n\t\t\t * @error view-selection-add-range-not-range\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-selection-add-range-not-range',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tthis._pushRange( range );\n\t\tthis._lastRangeBackward = !!isBackward;\n\t}\n\n\t/**\n\t * Adds range to selection - creates copy of given range so it can be safely used and modified.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-selection-range-intersects` if added range intersects\n\t * with ranges already stored in selection instance.\n\t *\n\t * @private\n\t * @param {module:engine/view/range~Range} range\n\t */\n\t_pushRange( range ) {\n\t\tfor ( const storedRange of this._ranges ) {\n\t\t\tif ( range.isIntersecting( storedRange ) ) {\n\t\t\t\t/**\n\t\t\t\t * Trying to add a range that intersects with another range from selection.\n\t\t\t\t *\n\t\t\t\t * @error view-selection-range-intersects\n\t\t\t\t * @param {module:engine/view/range~Range} addedRange Range that was added to the selection.\n\t\t\t\t * @param {module:engine/view/range~Range} intersectingRange Range from selection that intersects with `addedRange`.\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'view-selection-range-intersects',\n\t\t\t\t\tthis,\n\t\t\t\t\t{ addedRange: range, intersectingRange: storedRange }\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\n\t\tthis._ranges.push( new Range( range.start, range.end ) );\n\t}\n\n\t/**\n\t * Fired whenever selection ranges are changed through {@link ~Selection Selection API}.\n\t *\n\t * @event change\n\t */\n}\n\nmix( Selection, EmitterMixin );\n\n/**\n * An entity that is used to set selection.\n *\n * See also {@link module:engine/view/selection~Selection#setTo}\n *\n * @typedef {\n *    module:engine/view/selection~Selection|\n *    module:engine/view/documentselection~DocumentSelection|\n *    module:engine/view/position~Position|\n *    Iterable.<module:engine/view/range~Range>|\n *    module:engine/view/range~Range|\n *    module:engine/view/item~Item|\n *    null\n * } module:engine/view/selection~Selectable\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/documentselection\n */\n\nimport Selection from './selection';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\n\n/**\n * Class representing the document selection in the view.\n *\n * Its instance is available in {@link module:engine/view/document~Document#selection `Document#selection`}.\n *\n * It is similar to {@link module:engine/view/selection~Selection} but\n * it has a read-only API and can be modified only by the writer available in\n * the {@link module:engine/view/view~View#change `View#change()`} block\n * (so via {@link module:engine/view/downcastwriter~DowncastWriter#setSelection `DowncastWriter#setSelection()`}).\n */\nexport default class DocumentSelection {\n\t/**\n\t * Creates new DocumentSelection instance.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = new DocumentSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = new DocumentSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( start2, end2 ) ];\n\t *\t\tconst selection = new DocumentSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = new DocumentSelection( otherSelection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionAt( root, offset );\n\t *\t\tconst selection = new DocumentSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'paragraph' );\n\t *\t\tconst selection = new DocumentSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = new DocumentSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = new DocumentSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s constructor allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = new DocumentSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = new DocumentSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\tconstructor( selectable = null, placeOrOffset, options ) {\n\t\t/**\n\t\t * Selection is used internally (`DocumentSelection` is a proxy to that selection).\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/selection~Selection}\n\t\t */\n\t\tthis._selection = new Selection();\n\n\t\t// Delegate change event to be fired on DocumentSelection instance.\n\t\tthis._selection.delegate( 'change' ).to( this );\n\n\t\t// Set selection data.\n\t\tthis._selection.setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Returns true if selection instance is marked as `fake`.\n\t *\n\t * @see #_setTo\n\t * @returns {Boolean}\n\t */\n\tget isFake() {\n\t\treturn this._selection.isFake;\n\t}\n\n\t/**\n\t * Returns fake selection label.\n\t *\n\t * @see #_setTo\n\t * @returns {String}\n\t */\n\tget fakeSelectionLabel() {\n\t\treturn this._selection.fakeSelectionLabel;\n\t}\n\n\t/**\n\t * Selection anchor. Anchor may be described as a position where the selection starts. Together with\n\t * {@link #focus focus} they define the direction of selection, which is important\n\t * when expanding/shrinking selection. Anchor is always the start or end of the most recent added range.\n\t * It may be a bit unintuitive when there are multiple ranges in selection.\n\t *\n\t * @see #focus\n\t * @type {module:engine/view/position~Position}\n\t */\n\tget anchor() {\n\t\treturn this._selection.anchor;\n\t}\n\n\t/**\n\t * Selection focus. Focus is a position where the selection ends.\n\t *\n\t * @see #anchor\n\t * @type {module:engine/view/position~Position}\n\t */\n\tget focus() {\n\t\treturn this._selection.focus;\n\t}\n\n\t/**\n\t * Returns whether the selection is collapsed. Selection is collapsed when there is exactly one range which is\n\t * collapsed.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this._selection.isCollapsed;\n\t}\n\n\t/**\n\t * Returns number of ranges in selection.\n\t *\n\t * @type {Number}\n\t */\n\tget rangeCount() {\n\t\treturn this._selection.rangeCount;\n\t}\n\n\t/**\n\t * Specifies whether the {@link #focus} precedes {@link #anchor}.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isBackward() {\n\t\treturn this._selection.isBackward;\n\t}\n\n\t/**\n\t * {@link module:engine/view/editableelement~EditableElement EditableElement} instance that contains this selection, or `null`\n\t * if the selection is not inside an editable element.\n\t *\n\t * @type {module:engine/view/editableelement~EditableElement|null}\n\t */\n\tget editableElement() {\n\t\treturn this._selection.editableElement;\n\t}\n\n\t/**\n\t * Used for the compatibility with the {@link module:engine/view/selection~Selection#isEqual} method.\n\t *\n\t * @protected\n\t */\n\tget _ranges() {\n\t\treturn this._selection._ranges;\n\t}\n\n\t/**\n\t * Returns an iterable that contains copies of all ranges added to the selection.\n\t *\n\t * @returns {Iterable.<module:engine/view/range~Range>}\n\t */\n\t* getRanges() {\n\t\tyield* this._selection.getRanges();\n\t}\n\n\t/**\n\t * Returns copy of the first range in the selection. First range is the one which\n\t * {@link module:engine/view/range~Range#start start} position {@link module:engine/view/position~Position#isBefore is before} start\n\t * position of all other ranges (not to confuse with the first range added to the selection).\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/range~Range|null}\n\t */\n\tgetFirstRange() {\n\t\treturn this._selection.getFirstRange();\n\t}\n\n\t/**\n\t * Returns copy of the last range in the selection. Last range is the one which {@link module:engine/view/range~Range#end end}\n\t * position {@link module:engine/view/position~Position#isAfter is after} end position of all other ranges (not to confuse\n\t * with the last range added to the selection). Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/range~Range|null}\n\t */\n\tgetLastRange() {\n\t\treturn this._selection.getLastRange();\n\t}\n\n\t/**\n\t * Returns copy of the first position in the selection. First position is the position that\n\t * {@link module:engine/view/position~Position#isBefore is before} any other position in the selection ranges.\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/position~Position|null}\n\t */\n\tgetFirstPosition() {\n\t\treturn this._selection.getFirstPosition();\n\t}\n\n\t/**\n\t * Returns copy of the last position in the selection. Last position is the position that\n\t * {@link module:engine/view/position~Position#isAfter is after} any other position in the selection ranges.\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/position~Position|null}\n\t */\n\tgetLastPosition() {\n\t\treturn this._selection.getLastPosition();\n\t}\n\n\t/**\n\t * Returns the selected element. {@link module:engine/view/element~Element Element} is considered as selected if there is only\n\t * one range in the selection, and that range contains exactly one element.\n\t * Returns `null` if there is no selected element.\n\t *\n\t * @returns {module:engine/view/element~Element|null}\n\t */\n\tgetSelectedElement() {\n\t\treturn this._selection.getSelectedElement();\n\t}\n\n\t/**\n\t * Checks whether, this selection is equal to given selection. Selections are equal if they have same directions,\n\t * same number of ranges and all ranges from one selection equal to a range from other selection.\n\t *\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are equal, `false` otherwise.\n\t */\n\tisEqual( otherSelection ) {\n\t\treturn this._selection.isEqual( otherSelection );\n\t}\n\n\t/**\n\t * Checks whether this selection is similar to given selection. Selections are similar if they have same directions, same\n\t * number of ranges, and all {@link module:engine/view/range~Range#getTrimmed trimmed} ranges from one selection are\n\t * equal to any trimmed range from other selection.\n\t *\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are similar, `false` otherwise.\n\t */\n\tisSimilar( otherSelection ) {\n\t\treturn this._selection.isSimilar( otherSelection );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tdocSelection.is( 'selection' ); // -> true\n\t *\t\tdocSelection.is( 'documentSelection' ); // -> true\n\t *\t\tdocSelection.is( 'view:selection' ); // -> true\n\t *\t\tdocSelection.is( 'view:documentSelection' ); // -> true\n\t *\n\t *\t\tdocSelection.is( 'model:documentSelection' ); // -> false\n\t *\t\tdocSelection.is( 'element' ); // -> false\n\t *\t\tdocSelection.is( 'node' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'selection' ||\n\t\t\ttype == 'documentSelection' ||\n\t\t\ttype == 'view:selection' ||\n\t\t\ttype == 'view:documentSelection';\n\t}\n\n\t/**\n\t * Sets this selection's ranges and direction to the specified location based on the given\n\t * {@link module:engine/view/selection~Selectable selectable}.\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tdocumentSelection._setTo( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( start2, end2 ) ];\n\t *\t\tdocumentSelection._setTo( range );\n\t *\n\t *\t\t// Sets selection to the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tdocumentSelection._setTo( otherSelection );\n\t *\n\t * \t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPositionAt( root, offset );\n\t *\t\tdocumentSelection._setTo( position );\n\t *\n\t * \t\t// Sets collapsed selection at the position of given item and offset.\n\t *\t\tdocumentSelection._setTo( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t *\t\tdocumentSelection._setTo( paragraph, 'in' );\n\t *\n\t * Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\tdocumentSelection._setTo( paragraph, 'on' );\n\t *\n\t * \t\t// Clears selection. Removes all ranges.\n\t *\t\tdocumentSelection._setTo( null );\n\t *\n\t * `Selection#_setTo()` method allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Sets selection as backward.\n\t *\t\tdocumentSelection._setTo( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to des cribe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tdocumentSelection._setTo( range, { fake: true, label: 'foo' } );\n\t *\n\t * @protected\n\t * @fires change\n\t * @param {module:engine/view/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\t_setTo( selectable, placeOrOffset, options ) {\n\t\tthis._selection.setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Moves {@link #focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as {@link module:engine/view/view~View#createPositionAt view.createPositionAt()}\n\t * parameters.\n\t *\n\t * @protected\n\t * @fires change\n\t * @param {module:engine/view/item~Item|module:engine/view/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\t_setFocus( itemOrPosition, offset ) {\n\t\tthis._selection.setFocus( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Fired whenever selection ranges are changed through {@link ~DocumentSelection Selection API}.\n\t *\n\t * @event change\n\t */\n}\n\nmix( DocumentSelection, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/document\n */\n\nimport DocumentSelection from './documentselection';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\n\n// @if CK_DEBUG_ENGINE // const { logDocument } = require( '../dev-utils/utils' );\n\n/**\n * Document class creates an abstract layer over the content editable area, contains a tree of view elements and\n * {@link module:engine/view/documentselection~DocumentSelection view selection} associated with this document.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Document {\n\t/**\n\t * Creates a Document instance.\n\t *\n\t * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor The styles processor instance.\n\t */\n\tconstructor( stylesProcessor ) {\n\t\t/**\n\t\t * Selection done on this document.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/documentselection~DocumentSelection} module:engine/view/document~Document#selection\n\t\t */\n\t\tthis.selection = new DocumentSelection();\n\n\t\t/**\n\t\t * Roots of the view tree. Collection of the {@link module:engine/view/element~Element view elements}.\n\t\t *\n\t\t * View roots are created as a result of binding between {@link module:engine/view/document~Document#roots} and\n\t\t * {@link module:engine/model/document~Document#roots} and this is handled by\n\t\t * {@link module:engine/controller/editingcontroller~EditingController}, so to create view root we need to create\n\t\t * model root using {@link module:engine/model/document~Document#createRoot}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/collection~Collection} module:engine/view/document~Document#roots\n\t\t */\n\t\tthis.roots = new Collection( { idProperty: 'rootName' } );\n\n\t\t/**\n\t\t * The styles processor instance used by this document when normalizing styles.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/stylesmap~StylesProcessor}\n\t\t */\n\t\tthis.stylesProcessor = stylesProcessor;\n\n\t\t/**\n\t\t * Defines whether document is in read-only mode.\n\t\t *\n\t\t * When document is read-ony then all roots are read-only as well and caret placed inside this root is hidden.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isReadOnly\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * True if document is focused.\n\t\t *\n\t\t * This property is updated by the {@link module:engine/view/observer/focusobserver~FocusObserver}.\n\t\t * If the {@link module:engine/view/observer/focusobserver~FocusObserver} is disabled this property will not change.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/document~Document#isFocused\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * True if composition is in progress inside the document.\n\t\t *\n\t\t * This property is updated by the {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n\t\t * If the {@link module:engine/view/observer/compositionobserver~CompositionObserver} is disabled this property will not change.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/document~Document#isComposing\n\t\t */\n\t\tthis.set( 'isComposing', false );\n\n\t\t/**\n\t\t * Post-fixer callbacks registered to the view document.\n\t\t *\n\t\t * @private\n\t\t * @member {Set}\n\t\t */\n\t\tthis._postFixers = new Set();\n\t}\n\n\t/**\n\t * Gets a {@link module:engine/view/document~Document#roots view root element} with the specified name. If the name is not\n\t * specific \"main\" root is returned.\n\t *\n\t * @param {String} [name='main'] Name of the root.\n\t * @returns {module:engine/view/rooteditableelement~RootEditableElement|null} The view root element with the specified name\n\t * or null when there is no root of given name.\n\t */\n\tgetRoot( name = 'main' ) {\n\t\treturn this.roots.get( name );\n\t}\n\n\t/**\n\t * Allows registering post-fixer callbacks. A post-fixers mechanism allows to update the view tree just before it is rendered\n\t * to the DOM.\n\t *\n\t * Post-fixers are executed right after all changes from the outermost change block were applied but\n\t * before the {@link module:engine/view/view~View#event:render render event} is fired. If a post-fixer callback made\n\t * a change, it should return `true`. When this happens, all post-fixers are fired again to check if something else should\n\t * not be fixed in the new document tree state.\n\t *\n\t * View post-fixers are useful when you want to apply some fixes whenever the view structure changes. Keep in mind that\n\t * changes executed in a view post-fixer should not break model-view mapping.\n\t *\n\t * The types of changes which should be safe:\n\t *\n\t * * adding or removing attribute from elements,\n\t * * changes inside of {@link module:engine/view/uielement~UIElement UI elements},\n\t * * {@link module:engine/model/differ~Differ#refreshItem marking some of the model elements to be re-converted}.\n\t *\n\t * Try to avoid changes which touch view structure:\n\t *\n\t * * you should not add or remove nor wrap or unwrap any view elements,\n\t * * you should not change the editor data model in a view post-fixer.\n\t *\n\t * As a parameter, a post-fixer callback receives a {@link module:engine/view/downcastwriter~DowncastWriter downcast writer}.\n\t *\n\t * Typically, a post-fixer will look like this:\n\t *\n\t *\t\teditor.editing.view.document.registerPostFixer( writer => {\n\t *\t\t\tif ( checkSomeCondition() ) {\n\t *\t\t\t\twriter.doSomething();\n\t *\n\t *\t\t\t\t// Let other post-fixers know that something changed.\n\t *\t\t\t\treturn true;\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Note that nothing happens right after you register a post-fixer (e.g. execute such a code in the console).\n\t * That is because adding a post-fixer does not execute it.\n\t * The post-fixer will be executed as soon as any change in the document needs to cause its rendering.\n\t * If you want to re-render the editor's view after registering the post-fixer then you should do it manually by calling\n\t * {@link module:engine/view/view~View#forceRender `view.forceRender()`}.\n\t *\n\t * If you need to register a callback which is executed when DOM elements are already updated,\n\t * use {@link module:engine/view/view~View#event:render render event}.\n\t *\n\t * @param {Function} postFixer\n\t */\n\tregisterPostFixer( postFixer ) {\n\t\tthis._postFixers.add( postFixer );\n\t}\n\n\t/**\n\t * Destroys this instance. Makes sure that all observers are destroyed and listeners removed.\n\t */\n\tdestroy() {\n\t\tthis.roots.map( root => root.destroy() );\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Performs post-fixer loops. Executes post-fixer callbacks as long as none of them has done any changes to the model.\n\t *\n\t * @protected\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n\t */\n\t_callPostFixers( writer ) {\n\t\tlet wasFixed = false;\n\n\t\tdo {\n\t\t\tfor ( const callback of this._postFixers ) {\n\t\t\t\twasFixed = callback( writer );\n\n\t\t\t\tif ( wasFixed ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} while ( wasFixed );\n\t}\n\n\t/**\n\t * Event fired whenever document content layout changes. It is fired whenever content is\n\t * {@link module:engine/view/view~View#event:render rendered}, but should be also fired by observers in case of\n\t * other actions which may change layout, for instance when image loads.\n\t *\n\t * @event layoutChanged\n\t */\n\n\t// @if CK_DEBUG_ENGINE // log( version ) {\n\t// @if CK_DEBUG_ENGINE //\tlogDocument( this, version );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\nmix( Document, ObservableMixin );\n\n/**\n * Enum representing type of the change.\n *\n * Possible values:\n *\n * * `children` - for child list changes,\n * * `attributes` - for element attributes changes,\n * * `text` - for text nodes changes.\n *\n * @typedef {String} module:engine/view/document~ChangeType\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/attributeelement\n */\n\nimport Element from './element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// Default attribute priority.\nconst DEFAULT_PRIORITY = 10;\n\n/**\n * Attribute elements are used to represent formatting elements in the view (think – `<b>`, `<span style=\"font-size: 2em\">`, etc.).\n * Most often they are created when downcasting model text attributes.\n *\n * Editing engine does not define a fixed HTML DTD. This is why a feature developer needs to choose between various\n * types (container element, {@link module:engine/view/attributeelement~AttributeElement attribute element},\n * {@link module:engine/view/emptyelement~EmptyElement empty element}, etc) when developing a feature.\n *\n * To create a new attribute element instance use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createAttributeElement `DowncastWriter#createAttributeElement()`} method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class AttributeElement extends Element {\n\t/**\n\t * Creates an attribute element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createAttributeElement\n\t * @see module:engine/view/element~Element\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t/**\n\t\t * Returns block {@link module:engine/view/filler filler} offset or `null` if block filler is not needed.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {Number|null} Block filler offset or `null` if block filler is not needed.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\n\t\t/**\n\t\t * Element priority. Decides in what order elements are wrapped by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t\t *\n\t\t * @protected\n\t\t * @member {Number}\n\t\t */\n\t\tthis._priority = DEFAULT_PRIORITY;\n\n\t\t/**\n\t\t * Element identifier. If set, it is used by {@link module:engine/view/element~Element#isSimilar},\n\t\t * and then two elements are considered similar if, and only if they have the same `_id`.\n\t\t *\n\t\t * @protected\n\t\t * @member {String|Number}\n\t\t */\n\t\tthis._id = null;\n\n\t\t/**\n\t\t * Keeps all the attribute elements that have the same {@link module:engine/view/attributeelement~AttributeElement#id ids}\n\t\t * and still exist in the view tree.\n\t\t *\n\t\t * This property is managed by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t\t *\n\t\t * @protected\n\t\t * @member {Set.<module:engine/view/attributeelement~AttributeElement>|null}\n\t\t */\n\t\tthis._clonesGroup = null;\n\t}\n\n\t/**\n\t * Element priority. Decides in what order elements are wrapped by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget priority() {\n\t\treturn this._priority;\n\t}\n\n\t/**\n\t * Element identifier. If set, it is used by {@link module:engine/view/element~Element#isSimilar},\n\t * and then two elements are considered similar if, and only if they have the same `id`.\n\t *\n\t * @readonly\n\t * @type {String|Number}\n\t */\n\tget id() {\n\t\treturn this._id;\n\t}\n\n\t/**\n\t * Returns all {@link module:engine/view/attributeelement~AttributeElement attribute elements} that has the\n\t * same {@link module:engine/view/attributeelement~AttributeElement#id id} and are in the view tree (were not removed).\n\t *\n\t * Note: If this element has been removed from the tree, returned set will not include it.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError attribute-element-get-elements-with-same-id-no-id}\n\t * if this element has no `id`.\n\t *\n\t * @returns {Set.<module:engine/view/attributeelement~AttributeElement>} Set containing all the attribute elements\n\t * with the same `id` that were added and not removed from the view tree.\n\t */\n\tgetElementsWithSameId() {\n\t\tif ( this.id === null ) {\n\t\t\t/**\n\t\t\t * Cannot get elements with the same id for an attribute element without id.\n\t\t\t *\n\t\t\t * @error attribute-element-get-elements-with-same-id-no-id\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'attribute-element-get-elements-with-same-id-no-id',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\treturn new Set( this._clonesGroup );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tattributeElement.is( 'attributeElement' ); // -> true\n\t *\t\tattributeElement.is( 'element' ); // -> true\n\t *\t\tattributeElement.is( 'node' ); // -> true\n\t *\t\tattributeElement.is( 'view:attributeElement' ); // -> true\n\t *\t\tattributeElement.is( 'view:element' ); // -> true\n\t *\t\tattributeElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\tattributeElement.is( 'model:element' ); // -> false\n\t *\t\tattributeElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an attribute element, you can also check its\n\t * {@link module:engine/view/attributeelement~AttributeElement#name name}:\n\t *\n\t *\t\tattributeElement.is( 'element', 'b' ); // -> true if this is a bold element\n\t *\t\tattributeElement.is( 'attributeElement', 'b' ); // -> same as above\n\t *\t\ttext.is( 'element', 'b' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'attributeElement' || type === 'view:attributeElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'attributeElement' || type === 'view:attributeElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Checks if this element is similar to other element.\n\t *\n\t * If none of elements has set {@link module:engine/view/attributeelement~AttributeElement#id}, then both elements\n\t * should have the same name, attributes and priority to be considered as similar. Two similar elements can contain\n\t * different set of children nodes.\n\t *\n\t * If at least one element has {@link module:engine/view/attributeelement~AttributeElement#id} set, then both\n\t * elements have to have the same {@link module:engine/view/attributeelement~AttributeElement#id} value to be\n\t * considered similar.\n\t *\n\t * Similarity is important for {@link module:engine/view/downcastwriter~DowncastWriter}. For example:\n\t *\n\t * * two following similar elements can be merged together into one, longer element,\n\t * * {@link module:engine/view/downcastwriter~DowncastWriter#unwrap} checks similarity of passed element and processed element to\n\t * decide whether processed element should be unwrapped,\n\t * * etc.\n\t *\n\t * @param {module:engine/view/element~Element} otherElement\n\t * @returns {Boolean}\n\t */\n\tisSimilar( otherElement ) {\n\t\t// If any element has an `id` set, just compare the ids.\n\t\tif ( this.id !== null || otherElement.id !== null ) {\n\t\t\treturn this.id === otherElement.id;\n\t\t}\n\n\t\treturn super.isSimilar( otherElement ) && this.priority == otherElement.priority;\n\t}\n\n\t/**\n\t * Clones provided element with priority.\n\t *\n\t * @protected\n\t * @param {Boolean} deep If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any children.\n\t * @returns {module:engine/view/attributeelement~AttributeElement} Clone of this element.\n\t */\n\t_clone( deep ) {\n\t\tconst cloned = super._clone( deep );\n\n\t\t// Clone priority too.\n\t\tcloned._priority = this._priority;\n\n\t\t// And id too.\n\t\tcloned._id = this._id;\n\n\t\treturn cloned;\n\t}\n}\n\n/**\n * Default attribute priority.\n *\n * @member {Number} module:engine/view/attributeelement~AttributeElement.DEFAULT_PRIORITY\n */\nAttributeElement.DEFAULT_PRIORITY = DEFAULT_PRIORITY;\n\n// Returns block {@link module:engine/view/filler~Filler filler} offset or `null` if block filler is not needed.\n//\n// @returns {Number|null} Block filler offset or `null` if block filler is not needed.\nfunction getFillerOffset() {\n\t// <b>foo</b> does not need filler.\n\tif ( nonUiChildrenCount( this ) ) {\n\t\treturn null;\n\t}\n\n\tlet element = this.parent;\n\n\t// <p><b></b></p> needs filler -> <p><b><br></b></p>\n\twhile ( element && element.is( 'attributeElement' ) ) {\n\t\tif ( nonUiChildrenCount( element ) > 1 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\telement = element.parent;\n\t}\n\n\tif ( !element || nonUiChildrenCount( element ) > 1 ) {\n\t\treturn null;\n\t}\n\n\t// Render block filler at the end of element (after all ui elements).\n\treturn this.childCount;\n}\n\n// Returns total count of children that are not {@link module:engine/view/uielement~UIElement UIElements}.\n//\n// @param {module:engine/view/element~Element} element\n// @returns {Number}\nfunction nonUiChildrenCount( element ) {\n\treturn Array.from( element.getChildren() ).filter( element => !element.is( 'uiElement' ) ).length;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/emptyelement\n */\n\nimport Element from './element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Node from './node';\n\n/**\n * Empty element class. It is used to represent elements that cannot contain any child nodes (for example `<img>` elements).\n *\n * To create a new empty element use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createEmptyElement `downcastWriter#createEmptyElement()`} method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class EmptyElement extends Element {\n\t/**\n\t * Creates new instance of EmptyElement.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-emptyelement-cannot-add` when third parameter is passed,\n\t * to inform that usage of EmptyElement is incorrect (adding child nodes to EmptyElement is forbidden).\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createEmptyElement\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t/**\n\t\t * Returns `null` because filler is not needed for EmptyElements.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {null} Always returns null.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\temptyElement.is( 'emptyElement' ); // -> true\n\t *\t\temptyElement.is( 'element' ); // -> true\n\t *\t\temptyElement.is( 'node' ); // -> true\n\t *\t\temptyElement.is( 'view:emptyElement' ); // -> true\n\t *\t\temptyElement.is( 'view:element' ); // -> true\n\t *\t\temptyElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\temptyElement.is( 'model:element' ); // -> false\n\t *\t\temptyElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an empty element, you can also check its\n\t * {@link module:engine/view/emptyelement~EmptyElement#name name}:\n\t *\n\t *\t\temptyElement.is( 'element', 'img' ); // -> true if this is a img element\n\t *\t\temptyElement.is( 'emptyElement', 'img' ); // -> same as above\n\t *\t\ttext.is( 'element', 'img' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'emptyElement' || type === 'view:emptyElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'emptyElement' || type === 'view:emptyElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Overrides {@link module:engine/view/element~Element#_insertChild} method.\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-emptyelement-cannot-add` to prevent\n\t * adding any child nodes to EmptyElement.\n\t *\n\t * @protected\n\t */\n\t_insertChild( index, nodes ) {\n\t\tif ( nodes && ( nodes instanceof Node || Array.from( nodes ).length > 0 ) ) {\n\t\t\t/**\n\t\t\t * Cannot add children to {@link module:engine/view/emptyelement~EmptyElement}.\n\t\t\t *\n\t\t\t * @error view-emptyelement-cannot-add\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-emptyelement-cannot-add',\n\t\t\t\t[ this, nodes ]\n\t\t\t);\n\t\t}\n\t}\n}\n\n// Returns `null` because block filler is not needed for EmptyElements.\n//\n// @returns {null}\nfunction getFillerOffset() {\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals navigator:false */\n\n/**\n * @module utils/env\n */\n\nconst userAgent = navigator.userAgent.toLowerCase();\n\n/**\n * A namespace containing environment and browser information.\n *\n * @namespace\n */\nconst env = {\n\t/**\n\t * Indicates that the application is running on Macintosh.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisMac: isMac( userAgent ),\n\n\t/**\n\t * Indicates that the application is running in Firefox (Gecko).\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisGecko: isGecko( userAgent ),\n\n\t/**\n\t * Indicates that the application is running in Safari.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisSafari: isSafari( userAgent ),\n\n\t/**\n\t * Indicates that the application is running on Android mobile device.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisAndroid: isAndroid( userAgent ),\n\n\t/**\n\t * Indicates that the application is running in a browser using the Blink engine.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisBlink: isBlink( userAgent ),\n\n\t/**\n\t * Environment features information.\n\t *\n\t * @memberOf module:utils/env~env\n\t * @namespace\n\t */\n\tfeatures: {\n\t\t/**\n\t\t * Indicates that the environment supports ES2018 Unicode property escapes — like `\\p{P}` or `\\p{L}`.\n\t\t * More information about unicode properties might be found\n\t\t * [in Unicode Standard Annex #44](https://www.unicode.org/reports/tr44/#GC_Values_Table).\n\t\t *\n\t\t * @type {Boolean}\n\t\t */\n\t\tisRegExpUnicodePropertySupported: isRegExpUnicodePropertySupported()\n\t}\n};\n\nexport default env;\n\n/**\n * Checks if User Agent represented by the string is running on Macintosh.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is running on Macintosh or not.\n */\nexport function isMac( userAgent ) {\n\treturn userAgent.indexOf( 'macintosh' ) > -1;\n}\n\n/**\n * Checks if User Agent represented by the string is Firefox (Gecko).\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is Firefox or not.\n */\nexport function isGecko( userAgent ) {\n\treturn !!userAgent.match( /gecko\\/\\d+/ );\n}\n\n/**\n * Checks if User Agent represented by the string is Safari.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is Safari or not.\n */\nexport function isSafari( userAgent ) {\n\treturn userAgent.indexOf( ' applewebkit/' ) > -1 && userAgent.indexOf( 'chrome' ) === -1;\n}\n\n/**\n * Checks if User Agent represented by the string is Android mobile device.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is Safari or not.\n */\nexport function isAndroid( userAgent ) {\n\treturn userAgent.indexOf( 'android' ) > -1;\n}\n\n/**\n * Checks if User Agent represented by the string is Blink engine.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is Blink engine or not.\n */\nexport function isBlink( userAgent ) {\n\t// The Edge browser before switching to the Blink engine used to report itself as Chrome (and \"Edge/\")\n\t// but after switching to the Blink it replaced \"Edge/\" with \"Edg/\".\n\treturn userAgent.indexOf( 'chrome/' ) > -1 && userAgent.indexOf( 'edge/' ) < 0;\n}\n\n/**\n * Checks if the current environment supports ES2018 Unicode properties like `\\p{P}` or `\\p{L}`.\n * More information about unicode properties might be found\n * [in Unicode Standard Annex #44](https://www.unicode.org/reports/tr44/#GC_Values_Table).\n *\n * @returns {Boolean}\n */\nexport function isRegExpUnicodePropertySupported() {\n\tlet isSupported = false;\n\n\t// Feature detection for Unicode properties. Added in ES2018. Currently Firefox does not support it.\n\t// See https://github.com/ckeditor/ckeditor5-mention/issues/44#issuecomment-487002174.\n\n\ttry {\n\t\t// Usage of regular expression literal cause error during build (ckeditor/ckeditor5-dev#534).\n\t\tisSupported = 'ć'.search( new RegExp( '[\\\\p{L}]', 'u' ) ) === 0;\n\t} catch ( error ) {\n\t\t// Firefox throws a SyntaxError when the group is unsupported.\n\t}\n\n\treturn isSupported;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Set of utils related to keyboard support.\n *\n * @module utils/keyboard\n */\n\nimport CKEditorError from './ckeditorerror';\nimport env from './env';\n\nconst macGlyphsToModifiers = {\n\t'⌘': 'ctrl',\n\t'⇧': 'shift',\n\t'⌥': 'alt'\n};\n\nconst modifiersToMacGlyphs = {\n\t'ctrl': '⌘',\n\t'shift': '⇧',\n\t'alt': '⌥'\n};\n\n/**\n * Object with `keyName => keyCode` pairs for a set of known keys.\n *\n * Contains:\n *\n * * `a-z`,\n * * `0-9`,\n * * `f1-f12`,\n * * `arrow(left|up|right|bottom)`,\n * * `backspace`, `delete`, `enter`, `esc`, `tab`,\n * * `ctrl`, `cmd`, `shift`, `alt`.\n */\nexport const keyCodes = generateKnownKeyCodes();\n\n/**\n * Converts a key name or a {@link module:utils/keyboard~KeystrokeInfo keystroke info} into a key code.\n *\n * Note: Key names are matched with {@link module:utils/keyboard~keyCodes} in a case-insensitive way.\n *\n * @param {String|module:utils/keyboard~KeystrokeInfo} Key name (see {@link module:utils/keyboard~keyCodes})\n * or a keystroke data object.\n * @returns {Number} Key or keystroke code.\n */\nexport function getCode( key ) {\n\tlet keyCode;\n\n\tif ( typeof key == 'string' ) {\n\t\tkeyCode = keyCodes[ key.toLowerCase() ];\n\n\t\tif ( !keyCode ) {\n\t\t\t/**\n\t\t\t * Unknown key name. Only key names contained by the {@link module:utils/keyboard~keyCodes} can be used.\n\t\t\t *\n\t\t\t * @error keyboard-unknown-key\n\t\t\t * @param {String} key\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'keyboard-unknown-key', null, { key } );\n\t\t}\n\t} else {\n\t\tkeyCode = key.keyCode +\n\t\t\t( key.altKey ? keyCodes.alt : 0 ) +\n\t\t\t( key.ctrlKey ? keyCodes.ctrl : 0 ) +\n\t\t\t( key.shiftKey ? keyCodes.shift : 0 );\n\t}\n\n\treturn keyCode;\n}\n\n/**\n * Parses keystroke and returns a keystroke code that will match the code returned by\n * link {@link module:utils/keyboard~getCode} for a corresponding {@link module:utils/keyboard~KeystrokeInfo keystroke info}.\n *\n * The keystroke can be passed in two formats:\n *\n * * as a single string – e.g. `ctrl + A`,\n * * as an array of {@link module:utils/keyboard~keyCodes known key names} and key codes – e.g.:\n *   * `[ 'ctrl', 32 ]` (ctrl + space),\n *   * `[ 'ctrl', 'a' ]` (ctrl + A).\n *\n * Note: Key names are matched with {@link module:utils/keyboard~keyCodes} in a case-insensitive way.\n *\n * Note: Only keystrokes with a single non-modifier key are supported (e.g. `ctrl+A` is OK, but `ctrl+A+B` is not).\n *\n * @param {String|Array.<Number|String>} keystroke Keystroke definition.\n * @returns {Number} Keystroke code.\n */\nexport function parseKeystroke( keystroke ) {\n\tif ( typeof keystroke == 'string' ) {\n\t\tkeystroke = splitKeystrokeText( keystroke );\n\t}\n\n\treturn keystroke\n\t\t.map( key => ( typeof key == 'string' ) ? getCode( key ) : key )\n\t\t.reduce( ( key, sum ) => sum + key, 0 );\n}\n\n/**\n * It translates any keystroke string text like `\"CTRL+A\"` to an\n * environment–specific keystroke, i.e. `\"⌘A\"` on Mac OSX.\n *\n * @param {String} keystroke Keystroke text.\n * @returns {String} Keystroke text specific for the environment.\n */\nexport function getEnvKeystrokeText( keystroke ) {\n\tif ( !env.isMac ) {\n\t\treturn keystroke;\n\t}\n\n\treturn splitKeystrokeText( keystroke )\n\t\t// Replace modifiers (e.g. \"ctrl\") with Mac glyphs (e.g. \"⌘\") first.\n\t\t.map( key => modifiersToMacGlyphs[ key.toLowerCase() ] || key )\n\n\t\t// Decide whether to put \"+\" between keys in the keystroke or not.\n\t\t.reduce( ( value, key ) => {\n\t\t\tif ( value.slice( -1 ) in macGlyphsToModifiers ) {\n\t\t\t\treturn value + key;\n\t\t\t} else {\n\t\t\t\treturn value + '+' + key;\n\t\t\t}\n\t\t} );\n}\n\n/**\n * Returns `true` if the provided key code represents one of the arrow keys.\n *\n * @param {Number} keyCode A key code as in {@link module:utils/keyboard~KeystrokeInfo#keyCode}.\n * @returns {Boolean}\n */\nexport function isArrowKeyCode( keyCode ) {\n\treturn keyCode == keyCodes.arrowright ||\n\t\tkeyCode == keyCodes.arrowleft ||\n\t\tkeyCode == keyCodes.arrowup ||\n\t\tkeyCode == keyCodes.arrowdown;\n}\n\n/**\n * Returns the direction in which the {@link module:engine/model/documentselection~DocumentSelection selection}\n * will move when a provided arrow key code is pressed considering the language direction of the editor content.\n *\n * For instance, in right–to–left (RTL) content languages, pressing the left arrow means moving selection right (forward)\n * in the model structure. Similarly, pressing the right arrow moves the selection left (backward).\n *\n * @param {Number} keyCode A key code as in {@link module:utils/keyboard~KeystrokeInfo#keyCode}.\n * @param {'ltr'|'rtl'} contentLanguageDirection The content language direction, corresponding to\n * {@link module:utils/locale~Locale#contentLanguageDirection}.\n * @returns {'left'|'up'|'right'|'down'} Localized arrow direction.\n */\nexport function getLocalizedArrowKeyCodeDirection( keyCode, contentLanguageDirection ) {\n\tconst isLtrContent = contentLanguageDirection === 'ltr';\n\n\tswitch ( keyCode ) {\n\t\tcase keyCodes.arrowleft:\n\t\t\treturn isLtrContent ? 'left' : 'right';\n\n\t\tcase keyCodes.arrowright:\n\t\t\treturn isLtrContent ? 'right' : 'left';\n\n\t\tcase keyCodes.arrowup:\n\t\t\treturn 'up';\n\n\t\tcase keyCodes.arrowdown:\n\t\t\treturn 'down';\n\t}\n}\n\n/**\n * Determines if the provided key code moves the {@link module:engine/model/documentselection~DocumentSelection selection}\n * forward or backward considering the language direction of the editor content.\n *\n * For instance, in right–to–left (RTL) languages, pressing the left arrow means moving forward\n * in the model structure. Similarly, pressing the right arrow moves the selection backward.\n *\n * @param {Number} keyCode A key code as in {@link module:utils/keyboard~KeystrokeInfo#keyCode}.\n * @param {'ltr'|'rtl'} contentLanguageDirection The content language direction, corresponding to\n * {@link module:utils/locale~Locale#contentLanguageDirection}.\n * @returns {Boolean}\n */\nexport function isForwardArrowKeyCode( keyCode, contentLanguageDirection ) {\n\tconst localizedKeyCodeDirection = getLocalizedArrowKeyCodeDirection( keyCode, contentLanguageDirection );\n\n\treturn localizedKeyCodeDirection === 'down' || localizedKeyCodeDirection === 'right';\n}\n\nfunction generateKnownKeyCodes() {\n\tconst keyCodes = {\n\t\tarrowleft: 37,\n\t\tarrowup: 38,\n\t\tarrowright: 39,\n\t\tarrowdown: 40,\n\t\tbackspace: 8,\n\t\tdelete: 46,\n\t\tenter: 13,\n\t\tspace: 32,\n\t\tesc: 27,\n\t\ttab: 9,\n\n\t\t// The idea about these numbers is that they do not collide with any real key codes, so we can use them\n\t\t// like bit masks.\n\t\tctrl: 0x110000,\n\t\t// Has the same code as ctrl, because their behaviour should be unified across the editor.\n\t\t// See http://ckeditor.github.io/editor-recommendations/general-policies#ctrl-vs-cmd\n\t\tcmd: 0x110000,\n\t\tshift: 0x220000,\n\t\talt: 0x440000\n\t};\n\n\t// a-z\n\tfor ( let code = 65; code <= 90; code++ ) {\n\t\tconst letter = String.fromCharCode( code );\n\n\t\tkeyCodes[ letter.toLowerCase() ] = code;\n\t}\n\n\t// 0-9\n\tfor ( let code = 48; code <= 57; code++ ) {\n\t\tkeyCodes[ code - 48 ] = code;\n\t}\n\n\t// F1-F12\n\tfor ( let code = 112; code <= 123; code++ ) {\n\t\tkeyCodes[ 'f' + ( code - 111 ) ] = code;\n\t}\n\n\treturn keyCodes;\n}\n\nfunction splitKeystrokeText( keystroke ) {\n\treturn keystroke.split( /\\s*\\+\\s*/ );\n}\n\n/**\n * Information about a keystroke.\n *\n * @interface module:utils/keyboard~KeystrokeInfo\n */\n\n/**\n * The [key code](https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/keyCode).\n *\n * @member {Number} module:utils/keyboard~KeystrokeInfo#keyCode\n */\n\n/**\n * Whether the <kbd>Alt</kbd> modifier was pressed.\n *\n * @member {Bolean} module:utils/keyboard~KeystrokeInfo#altKey\n */\n\n/**\n * Whether the <kbd>Ctrl</kbd> or <kbd>Cmd</kbd> modifier was pressed.\n *\n * @member {Bolean} module:utils/keyboard~KeystrokeInfo#ctrlKey\n */\n\n/**\n * Whether the <kbd>Shift</kbd> modifier was pressed.\n *\n * @member {Bolean} module:utils/keyboard~KeystrokeInfo#shiftKey\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/uielement\n */\n\nimport Element from './element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Node from './node';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * UI element class. It should be used to represent editing UI which needs to be injected into the editing view\n * If possible, you should keep your UI outside the editing view. However, if that is not possible,\n * UI elements can be used.\n *\n * How a UI element is rendered is in your control (you pass a callback to\n * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement `downcastWriter#createUIElement()`}).\n * The editor will ignore your UI element – the selection cannot be placed in it, it is skipped (invisible) when\n * the user modifies the selection by using arrow keys and the editor does not listen to any mutations which\n * happen inside your UI elements.\n *\n * The limitation is that you cannot convert a model element to a UI element. UI elements need to be\n * created for {@link module:engine/model/markercollection~Marker markers} or as additinal elements\n * inside normal {@link module:engine/view/containerelement~ContainerElement container elements}.\n *\n * To create a new UI element use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement `downcastWriter#createUIElement()`} method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class UIElement extends Element {\n\t/**\n\t * Creates new instance of UIElement.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-uielement-cannot-add` when third parameter is passed,\n\t * to inform that usage of UIElement is incorrect (adding child nodes to UIElement is forbidden).\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createUIElement\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attributes] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attributes, children ) {\n\t\tsuper( document, name, attributes, children );\n\n\t\t/**\n\t\t * Returns `null` because filler is not needed for UIElements.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {null} Always returns null.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tuiElement.is( 'uiElement' ); // -> true\n\t *\t\tuiElement.is( 'element' ); // -> true\n\t *\t\tuiElement.is( 'node' ); // -> true\n\t *\t\tuiElement.is( 'view:uiElement' ); // -> true\n\t *\t\tuiElement.is( 'view:element' ); // -> true\n\t *\t\tuiElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\tuiElement.is( 'model:element' ); // -> false\n\t *\t\tuiElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an ui element, you can also check its\n\t * {@link module:engine/view/uielement~UIElement#name name}:\n\t *\n\t *\t\tuiElement.is( 'element', 'span' ); // -> true if this is a span ui element\n\t *\t\tuiElement.is( 'uiElement', 'span' ); // -> same as above\n\t *\t\ttext.is( 'element', 'span' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'uiElement' || type === 'view:uiElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'uiElement' || type === 'view:uiElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Overrides {@link module:engine/view/element~Element#_insertChild} method.\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-uielement-cannot-add` to prevent adding any child nodes\n\t * to UIElement.\n\t *\n\t * @protected\n\t */\n\t_insertChild( index, nodes ) {\n\t\tif ( nodes && ( nodes instanceof Node || Array.from( nodes ).length > 0 ) ) {\n\t\t\t/**\n\t\t\t * Cannot add children to {@link module:engine/view/uielement~UIElement}.\n\t\t\t *\n\t\t\t * @error view-uielement-cannot-add\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-uielement-cannot-add', this );\n\t\t}\n\t}\n\n\t/**\n\t * Renders this {@link module:engine/view/uielement~UIElement} to DOM. This method is called by\n\t * {@link module:engine/view/domconverter~DomConverter}.\n\t * Do not use inheritance to create custom rendering method, replace `render()` method instead:\n\t *\n\t *\t\tconst myUIElement = downcastWriter.createUIElement( 'span' );\n\t *\t\tmyUIElement.render = function( domDocument ) {\n\t *\t\t\tconst domElement = this.toDomElement( domDocument );\n\t *\t\t\tdomElement.innerHTML = '<b>this is ui element</b>';\n\t *\n\t *\t\t\treturn domElement;\n\t *\t\t};\n\t *\n\t * If changes in your UI element should trigger some editor UI update you should call\n\t * the {@link module:core/editor/editorui~EditorUI#update `editor.ui.update()`} method\n\t * after rendering your UI element.\n\t *\n\t * @param {Document} domDocument\n\t * @returns {HTMLElement}\n\t */\n\trender( domDocument ) {\n\t\treturn this.toDomElement( domDocument );\n\t}\n\n\t/**\n\t * Creates DOM element based on this view UIElement.\n\t * Note that each time this method is called new DOM element is created.\n\t *\n\t * @param {Document} domDocument\n\t * @returns {HTMLElement}\n\t */\n\ttoDomElement( domDocument ) {\n\t\tconst domElement = domDocument.createElement( this.name );\n\n\t\tfor ( const key of this.getAttributeKeys() ) {\n\t\t\tdomElement.setAttribute( key, this.getAttribute( key ) );\n\t\t}\n\n\t\treturn domElement;\n\t}\n}\n\n/**\n * This function injects UI element handling to the given {@link module:engine/view/document~Document document}.\n *\n * A callback is added to {@link module:engine/view/document~Document#event:keydown document keydown event}.\n * The callback handles the situation when right arrow key is pressed and selection is collapsed before a UI element.\n * Without this handler, it would be impossible to \"jump over\" UI element using right arrow key.\n *\n * @param {module:engine/view/view~View} view View controller to which the quirks handling will be injected.\n */\nexport function injectUiElementHandling( view ) {\n\tview.document.on( 'keydown', ( evt, data ) => jumpOverUiElement( evt, data, view.domConverter ) );\n}\n\n// Returns `null` because block filler is not needed for UIElements.\n//\n// @returns {null}\nfunction getFillerOffset() {\n\treturn null;\n}\n\n// Selection cannot be placed in a `UIElement`. Whenever it is placed there, it is moved before it. This\n// causes a situation when it is impossible to jump over `UIElement` using right arrow key, because the selection\n// ends up in ui element (in DOM) and is moved back to the left. This handler fixes this situation.\nfunction jumpOverUiElement( evt, data, domConverter ) {\n\tif ( data.keyCode == keyCodes.arrowright ) {\n\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\t\tconst domSelectionCollapsed = domSelection.rangeCount == 1 && domSelection.getRangeAt( 0 ).collapsed;\n\n\t\t// Jump over UI element if selection is collapsed or shift key is pressed. These are the cases when selection would extend.\n\t\tif ( domSelectionCollapsed || data.shiftKey ) {\n\t\t\tconst domParent = domSelection.focusNode;\n\t\t\tconst domOffset = domSelection.focusOffset;\n\n\t\t\tconst viewPosition = domConverter.domPositionToView( domParent, domOffset );\n\n\t\t\t// In case if dom element is not converted to view or is not mapped or something. Happens for example in some tests.\n\t\t\tif ( viewPosition === null ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Skip all following ui elements.\n\t\t\tlet jumpedOverAnyUiElement = false;\n\n\t\t\tconst nextViewPosition = viewPosition.getLastMatchingPosition( value => {\n\t\t\t\tif ( value.item.is( 'uiElement' ) ) {\n\t\t\t\t\t// Remember that there was at least one ui element.\n\t\t\t\t\tjumpedOverAnyUiElement = true;\n\t\t\t\t}\n\n\t\t\t\t// Jump over ui elements, jump over empty attribute elements, move up from inside of attribute element.\n\t\t\t\tif ( value.item.is( 'uiElement' ) || value.item.is( 'attributeElement' ) ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\t// Don't jump over text or don't get out of container element.\n\t\t\t\treturn false;\n\t\t\t} );\n\n\t\t\t// If anything has been skipped, fix position.\n\t\t\t// This `if` could be possibly omitted but maybe it is better not to mess with DOM selection if not needed.\n\t\t\tif ( jumpedOverAnyUiElement ) {\n\t\t\t\tconst newDomPosition = domConverter.viewPositionToDom( nextViewPosition );\n\n\t\t\t\tif ( domSelectionCollapsed ) {\n\t\t\t\t\t// Selection was collapsed, so collapse it at further position.\n\t\t\t\t\tdomSelection.collapse( newDomPosition.parent, newDomPosition.offset );\n\t\t\t\t} else {\n\t\t\t\t\t// Selection was not collapse, so extend it instead of collapsing.\n\t\t\t\t\tdomSelection.extend( newDomPosition.parent, newDomPosition.offset );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/rawelement\n */\n\nimport Element from './element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Node from './node';\n\n/**\n * The raw element class.\n *\n * The raw elements work as data containers (\"wrappers\", \"sandboxes\") but their children are not managed or\n * even recognized by the editor. This encapsulation allows integrations to maintain custom DOM structures\n * in the editor content without, for instance, worrying about compatibility with other editor features.\n * Raw elements are a perfect tool for integration with external frameworks and data sources.\n *\n * Unlike {@link module:engine/view/uielement~UIElement UI elements}, raw elements act like real editor\n * content (similar to {@link module:engine/view/containerelement~ContainerElement} or\n * {@link module:engine/view/emptyelement~EmptyElement}), they are considered by the editor selection and\n * {@link module:widget/utils~toWidget they can work as widgets}.\n *\n * To create a new raw element, use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createRawElement `downcastWriter#createRawElement()`} method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class RawElement extends Element {\n\t/**\n\t * Creates a new instance of a raw element.\n\t *\n\t * Throws the `view-rawelement-cannot-add` {@link module:utils/ckeditorerror~CKEditorError CKEditorError} when the `children`\n\t * parameter is passed to inform that the usage of `RawElement` is incorrect (adding child nodes to `RawElement` is forbidden).\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createRawElement\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name A node name.\n\t * @param {Object|Iterable} [attrs] The collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into the created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t/**\n\t\t * Returns `null` because filler is not needed for raw elements.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {null} Always returns null.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type or name.\n\t *\n\t *\t\trawElement.is( 'rawElement' ); // -> true\n\t *\t\trawElement.is( 'element' ); // -> true\n\t *\t\trawElement.is( 'node' ); // -> true\n\t *\t\trawElement.is( 'view:rawElement' ); // -> true\n\t *\t\trawElement.is( 'view:element' ); // -> true\n\t *\t\trawElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\trawElement.is( 'model:element' ); // -> false\n\t *\t\trawElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is a raw element, you can also check its\n\t * {@link module:engine/view/rawelement~RawElement#name name}:\n\t *\n\t *\t\trawElement.is( 'img' ); // -> true if this is an img element\n\t *\t\trawElement.is( 'rawElement', 'img' ); // -> same as above\n\t *\t\ttext.is( 'img' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type The type to check when the `name` parameter is present.\n\t * Otherwise, it acts like the `name` parameter.\n\t * @param {String} [name] The element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'rawElement' || type === 'view:rawElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === this.name || type === 'view:' + this.name ||\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'rawElement' || type === 'view:rawElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Overrides the {@link module:engine/view/element~Element#_insertChild} method.\n\t * Throws the `view-rawelement-cannot-add` {@link module:utils/ckeditorerror~CKEditorError CKEditorError} to prevent\n\t * adding any child nodes to a raw element.\n\t *\n\t * @protected\n\t */\n\t_insertChild( index, nodes ) {\n\t\tif ( nodes && ( nodes instanceof Node || Array.from( nodes ).length > 0 ) ) {\n\t\t\t/**\n\t\t\t * Cannot add children to a {@link module:engine/view/rawelement~RawElement} instance.\n\t\t\t *\n\t\t\t * @error view-rawelement-cannot-add\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-rawelement-cannot-add',\n\t\t\t\t[ this, nodes ]\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * This allows rendering the children of a {@link module:engine/view/rawelement~RawElement} on the DOM level.\n\t * This method is called by the {@link module:engine/view/domconverter~DomConverter} with the raw DOM element\n\t * passed as an argument, leaving the number and shape of the children up to the integrator.\n\t *\n\t * This method **must be defined** for the raw element to work:\n\t *\n\t *\t\tconst myRawElement = downcastWriter.createRawElement( 'div' );\n\t *\n\t *\t\tmyRawElement.render = function( domElement ) {\n\t *\t\t\tdomElement.innerHTML = '<b>This is the raw content of myRawElement.</b>';\n\t *\t\t};\n\t *\n\t * @method #render\n\t * @param {HTMLElement} domElement The native DOM element representing the raw view element.\n\t */\n}\n\n// Returns `null` because block filler is not needed for raw elements.\n//\n// @returns {null}\nfunction getFillerOffset() {\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/documentfragment\n */\n\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\n\n/**\n * Document fragment.\n *\n * To create a new document fragment instance use the\n * {@link module:engine/view/upcastwriter~UpcastWriter#createDocumentFragment `UpcastWriter#createDocumentFragment()`}\n * method.\n */\nexport default class DocumentFragment {\n\t/**\n\t * Creates new DocumentFragment instance.\n\t *\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document to which this document fragment belongs.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into the created document fragment.\n\t */\n\tconstructor( document, children ) {\n\t\t/**\n\t\t * The document to which this document fragment belongs.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\n\t\t/**\n\t\t * Array of child nodes.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array.<module:engine/view/element~Element>} module:engine/view/documentfragment~DocumentFragment#_children\n\t\t */\n\t\tthis._children = [];\n\n\t\tif ( children ) {\n\t\t\tthis._insertChild( 0, children );\n\t\t}\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over nodes added to this document fragment.\n\t *\n\t * @returns {Iterable.<module:engine/view/node~Node>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Number of child nodes in this document fragment.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget childCount() {\n\t\treturn this._children.length;\n\t}\n\n\t/**\n\t * Is `true` if there are no nodes inside this document fragment, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this.childCount === 0;\n\t}\n\n\t/**\n\t * Artificial root of `DocumentFragment`. Returns itself. Added for compatibility reasons.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Artificial parent of `DocumentFragment`. Returns `null`. Added for compatibility reasons.\n\t *\n\t * @readonly\n\t * @type {null}\n\t */\n\tget parent() {\n\t\treturn null;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tdocFrag.is( 'documentFragment' ); // -> true\n\t *\t\tdocFrag.is( 'view:documentFragment' ); // -> true\n\t *\n\t *\t\tdocFrag.is( 'model:documentFragment' ); // -> false\n\t *\t\tdocFrag.is( 'element' ); // -> false\n\t *\t\tdocFrag.is( 'node' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'documentFragment' || type === 'view:documentFragment';\n\t}\n\n\t/**\n\t * {@link module:engine/view/documentfragment~DocumentFragment#_insertChild Insert} a child node or a list of child nodes at the end\n\t * and sets the parent of these nodes to this fragment.\n\t *\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @returns {Number} Number of appended nodes.\n\t */\n\t_appendChild( items ) {\n\t\treturn this._insertChild( this.childCount, items );\n\t}\n\n\t/**\n\t * Gets child at the given index.\n\t *\n\t * @param {Number} index Index of child.\n\t * @returns {module:engine/view/node~Node} Child node.\n\t */\n\tgetChild( index ) {\n\t\treturn this._children[ index ];\n\t}\n\n\t/**\n\t * Gets index of the given child node. Returns `-1` if child node is not found.\n\t *\n\t * @param {module:engine/view/node~Node} node Child node.\n\t * @returns {Number} Index of the child node.\n\t */\n\tgetChildIndex( node ) {\n\t\treturn this._children.indexOf( node );\n\t}\n\n\t/**\n\t * Gets child nodes iterator.\n\t *\n\t * @returns {Iterable.<module:engine/view/node~Node>} Child nodes iterator.\n\t */\n\tgetChildren() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Inserts a child node or a list of child nodes on the given index and sets the parent of these nodes to\n\t * this fragment.\n\t *\n\t * @param {Number} index Position where nodes should be inserted.\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @returns {Number} Number of inserted nodes.\n\t */\n\t_insertChild( index, items ) {\n\t\tthis._fireChange( 'children', this );\n\t\tlet count = 0;\n\n\t\tconst nodes = normalize( this.document, items );\n\n\t\tfor ( const node of nodes ) {\n\t\t\t// If node that is being added to this element is already inside another element, first remove it from the old parent.\n\t\t\tif ( node.parent !== null ) {\n\t\t\t\tnode._remove();\n\t\t\t}\n\n\t\t\tnode.parent = this;\n\n\t\t\tthis._children.splice( index, 0, node );\n\t\t\tindex++;\n\t\t\tcount++;\n\t\t}\n\n\t\treturn count;\n\t}\n\n\t/**\n\t * Removes number of child nodes starting at the given index and set the parent of these nodes to `null`.\n\t *\n\t * @param {Number} index Number of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @returns {Array.<module:engine/view/node~Node>} The array of removed nodes.\n\t */\n\t_removeChildren( index, howMany = 1 ) {\n\t\tthis._fireChange( 'children', this );\n\n\t\tfor ( let i = index; i < index + howMany; i++ ) {\n\t\t\tthis._children[ i ].parent = null;\n\t\t}\n\n\t\treturn this._children.splice( index, howMany );\n\t}\n\n\t/**\n\t * Fires `change` event with given type of the change.\n\t *\n\t * @private\n\t * @param {module:engine/view/document~ChangeType} type Type of the change.\n\t * @param {module:engine/view/node~Node} node Changed node.\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_fireChange( type, node ) {\n\t\tthis.fire( 'change:' + type, node );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // printTree() {\n\t// @if CK_DEBUG_ENGINE //\tlet string = 'ViewDocumentFragment: [';\n\n\t// @if CK_DEBUG_ENGINE //\tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE //\t\tif ( child.is( '$text' ) ) {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\n' + '\\t'.repeat( 1 ) + child.data;\n\t// @if CK_DEBUG_ENGINE //\t\t} else {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\n' + child.printTree( 1 );\n\t// @if CK_DEBUG_ENGINE //\t\t}\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\tstring += '\\n]';\n\n\t// @if CK_DEBUG_ENGINE //\treturn string;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logTree() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.printTree() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\nmix( DocumentFragment, EmitterMixin );\n\n// Converts strings to Text and non-iterables to arrays.\n//\n// @param {String|module:engine/view/item~Item|Iterable.<String|module:engine/view/item~Item>}\n// @returns {Iterable.<module:engine/view/node~Node>}\nfunction normalize( document, nodes ) {\n\t// Separate condition because string is iterable.\n\tif ( typeof nodes == 'string' ) {\n\t\treturn [ new Text( document, nodes ) ];\n\t}\n\n\tif ( !isIterable( nodes ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Array.from to enable .map() on non-arrays.\n\treturn Array.from( nodes )\n\t\t.map( node => {\n\t\t\tif ( typeof node == 'string' ) {\n\t\t\t\treturn new Text( document, node );\n\t\t\t}\n\n\t\t\tif ( node instanceof TextProxy ) {\n\t\t\t\treturn new Text( document, node.data );\n\t\t\t}\n\n\t\t\treturn node;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module module:engine/view/downcastwriter\n */\n\nimport Position from './position';\nimport Range from './range';\nimport Selection from './selection';\nimport ContainerElement from './containerelement';\nimport AttributeElement from './attributeelement';\nimport EmptyElement from './emptyelement';\nimport UIElement from './uielement';\nimport RawElement from './rawelement';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport DocumentFragment from './documentfragment';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\nimport Text from './text';\nimport EditableElement from './editableelement';\nimport { isPlainObject } from 'lodash-es';\n\n/**\n * View downcast writer.\n *\n * It provides a set of methods used to manipulate view nodes.\n *\n * Do not create an instance of this writer manually. To modify a view structure, use\n * the {@link module:engine/view/view~View#change `View#change()`} block.\n *\n * The `DowncastWriter` is designed to work with semantic views which are the views that were/are being downcasted from the model.\n * To work with ordinary views (e.g. parsed from a pasted content) use the\n * {@link module:engine/view/upcastwriter~UpcastWriter upcast writer}.\n *\n * Read more about changing the view in the {@glink framework/guides/architecture/editing-engine#changing-the-view Changing the view}\n * section of the {@glink framework/guides/architecture/editing-engine Editing engine architecture} guide.\n */\nexport default class DowncastWriter {\n\t/**\n\t * @param {module:engine/view/document~Document} document The view document instance.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * The view document instance in which this writer operates.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\n\t\t/**\n\t\t * Holds references to the attribute groups that share the same {@link module:engine/view/attributeelement~AttributeElement#id id}.\n\t\t * The keys are `id`s, the values are `Set`s holding {@link module:engine/view/attributeelement~AttributeElement}s.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<String,Set>}\n\t\t */\n\t\tthis._cloneGroups = new Map();\n\t}\n\n\t/**\n\t * Sets {@link module:engine/view/documentselection~DocumentSelection selection's} ranges and direction to the\n\t * specified location based on the given {@link module:engine/view/selection~Selectable selectable}.\n\t *\n\t * Usage:\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\twriter.setSelection( range );\n\t *\n\t *\t\t// Sets backward selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\twriter.setSelection( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( start2, end2 ) ];\n\t *\t\twriter.setSelection( range );\n\t *\n\t *\t\t// Sets selection to the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\twriter.setSelection( otherSelection );\n\t *\n\t * \t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\twriter.setSelection( position );\n\t *\n\t * \t\t// Sets collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'p' );\n\t *\t\twriter.setSelection( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n \t * that element and ends after the last child of that element.\n\t *\n\t * \t\twriter.setSelection( paragraph, 'in' );\n\t *\n\t * Creates a range on the {@link module:engine/view/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\twriter.setSelection( paragraph, 'on' );\n\t *\n\t * \t\t// Removes all ranges.\n\t *\t\twriter.setSelection( null );\n\t *\n\t * `DowncastWriter#setSelection()` allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Sets selection as backward.\n\t *\t\twriter.setSelection( range, { backward: true } );\n\t *\n\t *\t\t// Sets selection as fake.\n\t *\t\t// Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * \t\t// This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * \t\t// represented in other way, for example by applying proper CSS class.\n\t *\t\twriter.setSelection( range, { fake: true } );\n\t *\n\t * \t\t// Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * \t\t// (and be  properly handled by screen readers).\n\t *\t\twriter.setSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\tsetSelection( selectable, placeOrOffset, options ) {\n\t\tthis.document.selection._setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Moves {@link module:engine/view/documentselection~DocumentSelection#focus selection's focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as {@link module:engine/view/view~View#createPositionAt view.createPositionAt()}\n\t * parameters.\n\t *\n\t * @param {module:engine/view/item~Item|module:engine/view/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tsetSelectionFocus( itemOrPosition, offset ) {\n\t\tthis.document.selection._setFocus( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/text~Text text node}.\n\t *\n\t *\t\twriter.createText( 'foo' );\n\t *\n\t * @param {String} data The text's data.\n\t * @returns {module:engine/view/text~Text} The created text node.\n\t */\n\tcreateText( data ) {\n\t\treturn new Text( this.document, data );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/attributeelement~AttributeElement}.\n\t *\n\t *\t\twriter.createAttributeElement( 'strong' );\n\t *\t\twriter.createAttributeElement( 'a', { href: 'foo.bar' } );\n\t *\n\t *\t\t// Make `<a>` element contain other attributes element so the `<a>` element is not broken.\n\t *\t\twriter.createAttributeElement( 'a', { href: 'foo.bar' }, { priority: 5 } );\n\t *\n\t *\t\t// Set `id` of a marker element so it is not joined or merged with \"normal\" elements.\n\t *\t\twriter.createAttributeElement( 'span', { class: 'my-marker' }, { id: 'marker:my' } );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Element's attributes.\n\t * @param {Object} [options] Element's options.\n\t * @param {Number} [options.priority] Element's {@link module:engine/view/attributeelement~AttributeElement#priority priority}.\n\t * @param {Number|String} [options.id] Element's {@link module:engine/view/attributeelement~AttributeElement#id id}.\n\t * @returns {module:engine/view/attributeelement~AttributeElement} Created element.\n\t */\n\tcreateAttributeElement( name, attributes, options = {} ) {\n\t\tconst attributeElement = new AttributeElement( this.document, name, attributes );\n\n\t\tif ( options.priority ) {\n\t\t\tattributeElement._priority = options.priority;\n\t\t}\n\n\t\tif ( options.id ) {\n\t\t\tattributeElement._id = options.id;\n\t\t}\n\n\t\treturn attributeElement;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/containerelement~ContainerElement}.\n\t *\n\t *\t\twriter.createContainerElement( 'p' );\n\t *\n\t *\t\t// Create element with custom attributes.\n\t *\t\twriter.createContainerElement( 'div', { id: 'foo-bar', 'data-baz': '123' } );\n\t *\n\t *\t\t// Create element with custom styles.\n\t *\t\twriter.createContainerElement( 'p', { style: 'font-weight: bold; padding-bottom: 10px' } );\n\t *\n\t *\t\t// Create element with custom classes.\n\t *\t\twriter.createContainerElement( 'p', { class: 'foo bar baz' } );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @returns {module:engine/view/containerelement~ContainerElement} Created element.\n\t */\n\tcreateContainerElement( name, attributes ) {\n\t\treturn new ContainerElement( this.document, name, attributes );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/editableelement~EditableElement}.\n\t *\n\t *\t\twriter.createEditableElement( 'div' );\n\t *\t\twriter.createEditableElement( 'div', { id: 'foo-1234' } );\n\t *\n\t * Note: The editable element is to be used in the editing pipeline. Usually, together with\n\t * {@link module:widget/utils~toWidgetEditable `toWidgetEditable()`}.\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @returns {module:engine/view/editableelement~EditableElement} Created element.\n\t */\n\tcreateEditableElement( name, attributes ) {\n\t\tconst editableElement = new EditableElement( this.document, name, attributes );\n\t\teditableElement._document = this.document;\n\n\t\treturn editableElement;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/emptyelement~EmptyElement}.\n\t *\n\t *\t\twriter.createEmptyElement( 'img' );\n\t *\t\twriter.createEmptyElement( 'img', { id: 'foo-1234' } );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @returns {module:engine/view/emptyelement~EmptyElement} Created element.\n\t */\n\tcreateEmptyElement( name, attributes ) {\n\t\treturn new EmptyElement( this.document, name, attributes );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/uielement~UIElement}.\n\t *\n\t *\t\twriter.createUIElement( 'span' );\n\t *\t\twriter.createUIElement( 'span', { id: 'foo-1234' } );\n\t *\n\t * A custom render function can be provided as the third parameter:\n\t *\n\t *\t\twriter.createUIElement( 'span', null, function( domDocument ) {\n\t *\t\t\tconst domElement = this.toDomElement( domDocument );\n\t *\t\t\tdomElement.innerHTML = '<b>this is ui element</b>';\n\t *\n\t *\t\t\treturn domElement;\n\t *\t\t} );\n\t *\n\t * Unlike {@link #createRawElement raw elements}, UI elements are by no means editor content, for instance,\n\t * they are ignored by the editor selection system.\n\t *\n\t * You should not use UI elements as data containers. Check out {@link #createRawElement} instead.\n\t *\n\t * @param {String} name The name of the element.\n\t * @param {Object} [attributes] Element attributes.\n\t * @param {Function} [renderFunction] A custom render function.\n\t * @returns {module:engine/view/uielement~UIElement} The created element.\n\t */\n\tcreateUIElement( name, attributes, renderFunction ) {\n\t\tconst uiElement = new UIElement( this.document, name, attributes );\n\n\t\tif ( renderFunction ) {\n\t\t\tuiElement.render = renderFunction;\n\t\t}\n\n\t\treturn uiElement;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/rawelement~RawElement}.\n\t *\n\t *\t\twriter.createRawElement( 'span', { id: 'foo-1234' }, function( domElement ) {\n\t *\t\t\tdomElement.innerHTML = '<b>This is the raw content of the raw element.</b>';\n\t *\t\t} );\n\t *\n\t * Raw elements work as data containers (\"wrappers\", \"sandboxes\") but their children are not managed or\n\t * even recognized by the editor. This encapsulation allows integrations to maintain custom DOM structures\n\t * in the editor content without, for instance, worrying about compatibility with other editor features.\n\t * Raw elements are a perfect tool for integration with external frameworks and data sources.\n\t *\n\t * Unlike {@link #createUIElement UI elements}, raw elements act like \"real\" editor content (similar to\n\t * {@link module:engine/view/containerelement~ContainerElement} or {@link module:engine/view/emptyelement~EmptyElement}),\n\t * and they are considered by the editor selection.\n\t *\n\t * You should not use raw elements to render the UI in the editor content. Check out {@link #createUIElement `#createUIElement()`}\n\t * instead.\n\t *\n\t * @param {String} name The name of the element.\n\t * @param {Object} [attributes] Element attributes.\n\t * @param {Function} [renderFunction] A custom render function.\n\t * @returns {module:engine/view/rawelement~RawElement} The created element.\n\t */\n\tcreateRawElement( name, attributes, renderFunction ) {\n\t\tconst rawElement = new RawElement( this.document, name, attributes );\n\n\t\trawElement.render = renderFunction || ( () => {} );\n\n\t\treturn rawElement;\n\t}\n\n\t/**\n\t * Adds or overwrites the element's attribute with a specified key and value.\n\t *\n\t *\t\twriter.setAttribute( 'href', 'http://ckeditor.com', linkElement );\n\t *\n\t * @param {String} key The attribute key.\n\t * @param {String} value The attribute value.\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tsetAttribute( key, value, element ) {\n\t\telement._setAttribute( key, value );\n\t}\n\n\t/**\n\t * Removes attribute from the element.\n\t *\n\t *\t\twriter.removeAttribute( 'href', linkElement );\n\t *\n\t * @param {String} key Attribute key.\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tremoveAttribute( key, element ) {\n\t\telement._removeAttribute( key );\n\t}\n\n\t/**\n\t * Adds specified class to the element.\n\t *\n\t *\t\twriter.addClass( 'foo', linkElement );\n\t *\t\twriter.addClass( [ 'foo', 'bar' ], linkElement );\n\t *\n\t * @param {Array.<String>|String} className\n\t * @param {module:engine/view/element~Element} element\n\t */\n\taddClass( className, element ) {\n\t\telement._addClass( className );\n\t}\n\n\t/**\n\t * Removes specified class from the element.\n\t *\n\t *\t\twriter.removeClass( 'foo', linkElement );\n\t *\t\twriter.removeClass( [ 'foo', 'bar' ], linkElement );\n\t *\n\t * @param {Array.<String>|String} className\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tremoveClass( className, element ) {\n\t\telement._removeClass( className );\n\t}\n\n\t/**\n\t * Adds style to the element.\n\t *\n\t *\t\twriter.setStyle( 'color', 'red', element );\n\t *\t\twriter.setStyle( {\n\t *\t\t\tcolor: 'red',\n\t *\t\t\tposition: 'fixed'\n\t *\t\t}, element );\n\t *\n\t * **Note**: The passed style can be normalized if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#set `StylesMap#set()`} for details.\n\t *\n\t * @param {String|Object} property Property name or object with key - value pairs.\n\t * @param {String} [value] Value to set. This parameter is ignored if object is provided as the first parameter.\n\t * @param {module:engine/view/element~Element} element Element to set styles on.\n\t */\n\tsetStyle( property, value, element ) {\n\t\tif ( isPlainObject( property ) && element === undefined ) {\n\t\t\telement = value;\n\t\t}\n\n\t\telement._setStyle( property, value );\n\t}\n\n\t/**\n\t * Removes specified style from the element.\n\t *\n\t *\t\twriter.removeStyle( 'color', element ); // Removes 'color' style.\n\t *\t\twriter.removeStyle( [ 'color', 'border-top' ], element ); // Removes both 'color' and 'border-top' styles.\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#remove `StylesMap#remove()`} for details.\n\t *\n\t * @param {Array.<String>|String} property\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tremoveStyle( property, element ) {\n\t\telement._removeStyle( property );\n\t}\n\n\t/**\n\t * Sets a custom property on element. Unlike attributes, custom properties are not rendered to the DOM,\n\t * so they can be used to add special data to elements.\n\t *\n\t * @param {String|Symbol} key\n\t * @param {*} value\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tsetCustomProperty( key, value, element ) {\n\t\telement._setCustomProperty( key, value );\n\t}\n\n\t/**\n\t * Removes a custom property stored under the given key.\n\t *\n\t * @param {String|Symbol} key\n\t * @param {module:engine/view/element~Element} element\n\t * @returns {Boolean} Returns true if property was removed.\n\t */\n\tremoveCustomProperty( key, element ) {\n\t\treturn element._removeCustomProperty( key );\n\t}\n\n\t/**\n\t * Breaks attribute elements at the provided position or at the boundaries of a provided range. It breaks attribute elements\n\t * up to their first ancestor that is a container element.\n\t *\n\t * In following examples `<p>` is a container, `<b>` and `<u>` are attribute elements:\n\t *\n\t *\t\t<p>foo<b><u>bar{}</u></b></p> -> <p>foo<b><u>bar</u></b>[]</p>\n\t *\t\t<p>foo<b><u>{}bar</u></b></p> -> <p>foo{}<b><u>bar</u></b></p>\n\t *\t\t<p>foo<b><u>b{}ar</u></b></p> -> <p>foo<b><u>b</u></b>[]<b><u>ar</u></b></p>\n\t *\t\t<p><b>fo{o</b><u>ba}r</u></p> -> <p><b>fo</b><b>o</b><u>ba</u><u>r</u></b></p>\n\t *\n\t * **Note:** {@link module:engine/view/documentfragment~DocumentFragment DocumentFragment} is treated like a container.\n\t *\n\t * **Note:** The difference between {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes breakAttributes()} and\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakContainer breakContainer()} is that `breakAttributes()` breaks all\n\t * {@link module:engine/view/attributeelement~AttributeElement attribute elements} that are ancestors of a given `position`,\n\t * up to the first encountered {@link module:engine/view/containerelement~ContainerElement container element}.\n\t * `breakContainer()` assumes that a given `position` is directly in the container element and breaks that container element.\n\t *\n\t * Throws the `view-writer-invalid-range-container` {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * when the {@link module:engine/view/range~Range#start start}\n\t * and {@link module:engine/view/range~Range#end end} positions of a passed range are not placed inside same parent container.\n\t *\n\t * Throws the `view-writer-cannot-break-empty-element` {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * when trying to break attributes inside an {@link module:engine/view/emptyelement~EmptyElement EmptyElement}.\n\t *\n\t * Throws the `view-writer-cannot-break-ui-element` {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * when trying to break attributes inside a {@link module:engine/view/uielement~UIElement UIElement}.\n\t *\n\t * @see module:engine/view/attributeelement~AttributeElement\n\t * @see module:engine/view/containerelement~ContainerElement\n\t * @see module:engine/view/downcastwriter~DowncastWriter#breakContainer\n\t * @param {module:engine/view/position~Position|module:engine/view/range~Range} positionOrRange The position where\n\t * to break attribute elements.\n\t * @returns {module:engine/view/position~Position|module:engine/view/range~Range} The new position or range, after breaking the\n\t * attribute elements.\n\t */\n\tbreakAttributes( positionOrRange ) {\n\t\tif ( positionOrRange instanceof Position ) {\n\t\t\treturn this._breakAttributes( positionOrRange );\n\t\t} else {\n\t\t\treturn this._breakAttributesRange( positionOrRange );\n\t\t}\n\t}\n\n\t/**\n\t * Breaks a {@link module:engine/view/containerelement~ContainerElement container view element} into two, at the given position.\n\t * The position has to be directly inside the container element and cannot be in the root. It does not break the conrainer view element\n\t * if the position is at the beginning or at the end of its parent element.\n\t *\n\t *\t\t<p>foo^bar</p> -> <p>foo</p><p>bar</p>\n\t *\t\t<div><p>foo</p>^<p>bar</p></div> -> <div><p>foo</p></div><div><p>bar</p></div>\n\t *\t\t<p>^foobar</p> -> ^<p>foobar</p>\n\t *\t\t<p>foobar^</p> -> <p>foobar</p>^\n\t *\n\t * **Note:** The difference between {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes breakAttributes()} and\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakContainer breakContainer()} is that `breakAttributes()` breaks all\n\t * {@link module:engine/view/attributeelement~AttributeElement attribute elements} that are ancestors of a given `position`,\n\t * up to the first encountered {@link module:engine/view/containerelement~ContainerElement container element}.\n\t * `breakContainer()` assumes that the given `position` is directly in the container element and breaks that container element.\n\t *\n\t * @see module:engine/view/attributeelement~AttributeElement\n\t * @see module:engine/view/containerelement~ContainerElement\n\t * @see module:engine/view/downcastwriter~DowncastWriter#breakAttributes\n\t * @param {module:engine/view/position~Position} position The position where to break the element.\n\t * @returns {module:engine/view/position~Position} The position between broken elements. If an element has not been broken,\n\t * the returned position is placed either before or after it.\n\t */\n\tbreakContainer( position ) {\n\t\tconst element = position.parent;\n\n\t\tif ( !( element.is( 'containerElement' ) ) ) {\n\t\t\t/**\n\t\t\t * Trying to break an element which is not a container element.\n\t\t\t *\n\t\t\t * @error view-writer-break-non-container-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-break-non-container-element', this.document );\n\t\t}\n\n\t\tif ( !element.parent ) {\n\t\t\t/**\n\t\t\t * Trying to break root element.\n\t\t\t *\n\t\t\t * @error view-writer-break-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-break-root', this.document );\n\t\t}\n\n\t\tif ( position.isAtStart ) {\n\t\t\treturn Position._createBefore( element );\n\t\t} else if ( !position.isAtEnd ) {\n\t\t\tconst newElement = element._clone( false );\n\n\t\t\tthis.insert( Position._createAfter( element ), newElement );\n\n\t\t\tconst sourceRange = new Range( position, Position._createAt( element, 'end' ) );\n\t\t\tconst targetPosition = new Position( newElement, 0 );\n\n\t\t\tthis.move( sourceRange, targetPosition );\n\t\t}\n\n\t\treturn Position._createAfter( element );\n\t}\n\n\t/**\n\t * Merges {@link module:engine/view/attributeelement~AttributeElement attribute elements}. It also merges text nodes if needed.\n\t * Only {@link module:engine/view/attributeelement~AttributeElement#isSimilar similar} attribute elements can be merged.\n\t *\n\t * In following examples `<p>` is a container and `<b>` is an attribute element:\n\t *\n\t *\t\t<p>foo[]bar</p> -> <p>foo{}bar</p>\n\t *\t\t<p><b>foo</b>[]<b>bar</b></p> -> <p><b>foo{}bar</b></p>\n\t *\t\t<p><b foo=\"bar\">a</b>[]<b foo=\"baz\">b</b></p> -> <p><b foo=\"bar\">a</b>[]<b foo=\"baz\">b</b></p>\n\t *\n\t * It will also take care about empty attributes when merging:\n\t *\n\t *\t\t<p><b>[]</b></p> -> <p>[]</p>\n\t *\t\t<p><b>foo</b><i>[]</i><b>bar</b></p> -> <p><b>foo{}bar</b></p>\n\t *\n\t * **Note:** Difference between {@link module:engine/view/downcastwriter~DowncastWriter#mergeAttributes mergeAttributes} and\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#mergeContainers mergeContainers} is that `mergeAttributes` merges two\n\t * {@link module:engine/view/attributeelement~AttributeElement attribute elements} or {@link module:engine/view/text~Text text nodes}\n\t * while `mergeContainer` merges two {@link module:engine/view/containerelement~ContainerElement container elements}.\n\t *\n\t * @see module:engine/view/attributeelement~AttributeElement\n\t * @see module:engine/view/containerelement~ContainerElement\n\t * @see module:engine/view/downcastwriter~DowncastWriter#mergeContainers\n\t * @param {module:engine/view/position~Position} position Merge position.\n\t * @returns {module:engine/view/position~Position} Position after merge.\n\t */\n\tmergeAttributes( position ) {\n\t\tconst positionOffset = position.offset;\n\t\tconst positionParent = position.parent;\n\n\t\t// When inside text node - nothing to merge.\n\t\tif ( positionParent.is( '$text' ) ) {\n\t\t\treturn position;\n\t\t}\n\n\t\t// When inside empty attribute - remove it.\n\t\tif ( positionParent.is( 'attributeElement' ) && positionParent.childCount === 0 ) {\n\t\t\tconst parent = positionParent.parent;\n\t\t\tconst offset = positionParent.index;\n\n\t\t\tpositionParent._remove();\n\t\t\tthis._removeFromClonedElementsGroup( positionParent );\n\n\t\t\treturn this.mergeAttributes( new Position( parent, offset ) );\n\t\t}\n\n\t\tconst nodeBefore = positionParent.getChild( positionOffset - 1 );\n\t\tconst nodeAfter = positionParent.getChild( positionOffset );\n\n\t\t// Position should be placed between two nodes.\n\t\tif ( !nodeBefore || !nodeAfter ) {\n\t\t\treturn position;\n\t\t}\n\n\t\t// When position is between two text nodes.\n\t\tif ( nodeBefore.is( '$text' ) && nodeAfter.is( '$text' ) ) {\n\t\t\treturn mergeTextNodes( nodeBefore, nodeAfter );\n\t\t}\n\t\t// When position is between two same attribute elements.\n\t\telse if ( nodeBefore.is( 'attributeElement' ) && nodeAfter.is( 'attributeElement' ) && nodeBefore.isSimilar( nodeAfter ) ) {\n\t\t\t// Move all children nodes from node placed after selection and remove that node.\n\t\t\tconst count = nodeBefore.childCount;\n\t\t\tnodeBefore._appendChild( nodeAfter.getChildren() );\n\n\t\t\tnodeAfter._remove();\n\t\t\tthis._removeFromClonedElementsGroup( nodeAfter );\n\n\t\t\t// New position is located inside the first node, before new nodes.\n\t\t\t// Call this method recursively to merge again if needed.\n\t\t\treturn this.mergeAttributes( new Position( nodeBefore, count ) );\n\t\t}\n\n\t\treturn position;\n\t}\n\n\t/**\n\t * Merges two {@link module:engine/view/containerelement~ContainerElement container elements} that are before and after given position.\n\t * Precisely, the element after the position is removed and it's contents are moved to element before the position.\n\t *\n\t *\t\t<p>foo</p>^<p>bar</p> -> <p>foo^bar</p>\n\t *\t\t<div>foo</div>^<p>bar</p> -> <div>foo^bar</div>\n\t *\n\t * **Note:** Difference between {@link module:engine/view/downcastwriter~DowncastWriter#mergeAttributes mergeAttributes} and\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#mergeContainers mergeContainers} is that `mergeAttributes` merges two\n\t * {@link module:engine/view/attributeelement~AttributeElement attribute elements} or {@link module:engine/view/text~Text text nodes}\n\t * while `mergeContainer` merges two {@link module:engine/view/containerelement~ContainerElement container elements}.\n\t *\n\t * @see module:engine/view/attributeelement~AttributeElement\n\t * @see module:engine/view/containerelement~ContainerElement\n\t * @see module:engine/view/downcastwriter~DowncastWriter#mergeAttributes\n\t * @param {module:engine/view/position~Position} position Merge position.\n\t * @returns {module:engine/view/position~Position} Position after merge.\n\t */\n\tmergeContainers( position ) {\n\t\tconst prev = position.nodeBefore;\n\t\tconst next = position.nodeAfter;\n\n\t\tif ( !prev || !next || !prev.is( 'containerElement' ) || !next.is( 'containerElement' ) ) {\n\t\t\t/**\n\t\t\t * Element before and after given position cannot be merged.\n\t\t\t *\n\t\t\t * @error view-writer-merge-containers-invalid-position\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-merge-containers-invalid-position', this.document );\n\t\t}\n\n\t\tconst lastChild = prev.getChild( prev.childCount - 1 );\n\t\tconst newPosition = lastChild instanceof Text ? Position._createAt( lastChild, 'end' ) : Position._createAt( prev, 'end' );\n\n\t\tthis.move( Range._createIn( next ), Position._createAt( prev, 'end' ) );\n\t\tthis.remove( Range._createOn( next ) );\n\n\t\treturn newPosition;\n\t}\n\n\t/**\n\t * Inserts a node or nodes at specified position. Takes care about breaking attributes before insertion\n\t * and merging them afterwards.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-insert-invalid-node` when nodes to insert\n\t * contains instances that are not {@link module:engine/view/text~Text Texts},\n\t * {@link module:engine/view/attributeelement~AttributeElement AttributeElements},\n\t * {@link module:engine/view/containerelement~ContainerElement ContainerElements},\n\t * {@link module:engine/view/emptyelement~EmptyElement EmptyElements},\n\t * {@link module:engine/view/rawelement~RawElement RawElements} or\n\t * {@link module:engine/view/uielement~UIElement UIElements}.\n\t *\n\t * @param {module:engine/view/position~Position} position Insertion position.\n\t * @param {module:engine/view/text~Text|module:engine/view/attributeelement~AttributeElement|\n\t * module:engine/view/containerelement~ContainerElement|module:engine/view/emptyelement~EmptyElement|\n\t * module:engine/view/rawelement~RawElement|module:engine/view/uielement~UIElement|\n\t * Iterable.<module:engine/view/text~Text|\n\t * module:engine/view/attributeelement~AttributeElement|module:engine/view/containerelement~ContainerElement|\n\t * module:engine/view/emptyelement~EmptyElement|module:engine/view/rawelement~RawElement|\n\t * module:engine/view/uielement~UIElement>} nodes Node or nodes to insert.\n\t * @returns {module:engine/view/range~Range} Range around inserted nodes.\n\t */\n\tinsert( position, nodes ) {\n\t\tnodes = isIterable( nodes ) ? [ ...nodes ] : [ nodes ];\n\n\t\t// Check if nodes to insert are instances of AttributeElements, ContainerElements, EmptyElements, UIElements or Text.\n\t\tvalidateNodesToInsert( nodes, this.document );\n\n\t\tconst container = getParentContainer( position );\n\n\t\tif ( !container ) {\n\t\t\t/**\n\t\t\t * Position's parent container cannot be found.\n\t\t\t *\n\t\t\t * @error view-writer-invalid-position-container\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-writer-invalid-position-container',\n\t\t\t\tthis.document\n\t\t\t);\n\t\t}\n\n\t\tconst insertionPosition = this._breakAttributes( position, true );\n\t\tconst length = container._insertChild( insertionPosition.offset, nodes );\n\n\t\tfor ( const node of nodes ) {\n\t\t\tthis._addToClonedElementsGroup( node );\n\t\t}\n\n\t\tconst endPosition = insertionPosition.getShiftedBy( length );\n\t\tconst start = this.mergeAttributes( insertionPosition );\n\n\t\t// When no nodes were inserted - return collapsed range.\n\t\tif ( length === 0 ) {\n\t\t\treturn new Range( start, start );\n\t\t} else {\n\t\t\t// If start position was merged - move end position.\n\t\t\tif ( !start.isEqual( insertionPosition ) ) {\n\t\t\t\tendPosition.offset--;\n\t\t\t}\n\n\t\t\tconst end = this.mergeAttributes( endPosition );\n\n\t\t\treturn new Range( start, end );\n\t\t}\n\t}\n\n\t/**\n\t * Removes provided range from the container.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions are not placed inside\n\t * same parent container.\n\t *\n\t * @param {module:engine/view/range~Range|module:engine/view/item~Item} rangeOrItem Range to remove from container\n\t * or an {@link module:engine/view/item~Item item} to remove. If range is provided, after removing, it will be updated\n\t * to a collapsed range showing the new position.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} Document fragment containing removed nodes.\n\t */\n\tremove( rangeOrItem ) {\n\t\tconst range = rangeOrItem instanceof Range ? rangeOrItem : Range._createOn( rangeOrItem );\n\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\t// If range is collapsed - nothing to remove.\n\t\tif ( range.isCollapsed ) {\n\t\t\treturn new DocumentFragment( this.document );\n\t\t}\n\n\t\t// Break attributes at range start and end.\n\t\tconst { start: breakStart, end: breakEnd } = this._breakAttributesRange( range, true );\n\t\tconst parentContainer = breakStart.parent;\n\n\t\tconst count = breakEnd.offset - breakStart.offset;\n\n\t\t// Remove nodes in range.\n\t\tconst removed = parentContainer._removeChildren( breakStart.offset, count );\n\n\t\tfor ( const node of removed ) {\n\t\t\tthis._removeFromClonedElementsGroup( node );\n\t\t}\n\n\t\t// Merge after removing.\n\t\tconst mergePosition = this.mergeAttributes( breakStart );\n\t\trange.start = mergePosition;\n\t\trange.end = mergePosition.clone();\n\n\t\t// Return removed nodes.\n\t\treturn new DocumentFragment( this.document, removed );\n\t}\n\n\t/**\n\t * Removes matching elements from given range.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions are not placed inside\n\t * same parent container.\n\t *\n\t * @param {module:engine/view/range~Range} range Range to clear.\n\t * @param {module:engine/view/element~Element} element Element to remove.\n\t */\n\tclear( range, element ) {\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\t// Create walker on given range.\n\t\t// We walk backward because when we remove element during walk it modifies range end position.\n\t\tconst walker = range.getWalker( {\n\t\t\tdirection: 'backward',\n\t\t\tignoreElementEnd: true\n\t\t} );\n\n\t\t// Let's walk.\n\t\tfor ( const current of walker ) {\n\t\t\tconst item = current.item;\n\t\t\tlet rangeToRemove;\n\n\t\t\t// When current item matches to the given element.\n\t\t\tif ( item.is( 'element' ) && element.isSimilar( item ) ) {\n\t\t\t\t// Create range on this element.\n\t\t\t\trangeToRemove = Range._createOn( item );\n\t\t\t\t// When range starts inside Text or TextProxy element.\n\t\t\t} else if ( !current.nextPosition.isAfter( range.start ) && item.is( '$textProxy' ) ) {\n\t\t\t\t// We need to check if parent of this text matches to given element.\n\t\t\t\tconst parentElement = item.getAncestors().find( ancestor => {\n\t\t\t\t\treturn ancestor.is( 'element' ) && element.isSimilar( ancestor );\n\t\t\t\t} );\n\n\t\t\t\t// If it is then create range inside this element.\n\t\t\t\tif ( parentElement ) {\n\t\t\t\t\trangeToRemove = Range._createIn( parentElement );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If we have found element to remove.\n\t\t\tif ( rangeToRemove ) {\n\t\t\t\t// We need to check if element range stick out of the given range and truncate if it is.\n\t\t\t\tif ( rangeToRemove.end.isAfter( range.end ) ) {\n\t\t\t\t\trangeToRemove.end = range.end;\n\t\t\t\t}\n\n\t\t\t\tif ( rangeToRemove.start.isBefore( range.start ) ) {\n\t\t\t\t\trangeToRemove.start = range.start;\n\t\t\t\t}\n\n\t\t\t\t// At the end we remove range with found element.\n\t\t\t\tthis.remove( rangeToRemove );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Moves nodes from provided range to target position.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions are not placed inside\n\t * same parent container.\n\t *\n\t * @param {module:engine/view/range~Range} sourceRange Range containing nodes to move.\n\t * @param {module:engine/view/position~Position} targetPosition Position to insert.\n\t * @returns {module:engine/view/range~Range} Range in target container. Inserted nodes are placed between\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions.\n\t */\n\tmove( sourceRange, targetPosition ) {\n\t\tlet nodes;\n\n\t\tif ( targetPosition.isAfter( sourceRange.end ) ) {\n\t\t\ttargetPosition = this._breakAttributes( targetPosition, true );\n\n\t\t\tconst parent = targetPosition.parent;\n\t\t\tconst countBefore = parent.childCount;\n\n\t\t\tsourceRange = this._breakAttributesRange( sourceRange, true );\n\n\t\t\tnodes = this.remove( sourceRange );\n\n\t\t\ttargetPosition.offset += ( parent.childCount - countBefore );\n\t\t} else {\n\t\t\tnodes = this.remove( sourceRange );\n\t\t}\n\n\t\treturn this.insert( targetPosition, nodes );\n\t}\n\n\t/**\n\t * Wraps elements within range with provided {@link module:engine/view/attributeelement~AttributeElement AttributeElement}.\n\t * If a collapsed range is provided, it will be wrapped only if it is equal to view selection.\n\t *\n\t * If a collapsed range was passed and is same as selection, the selection\n\t * will be moved to the inside of the wrapped attribute element.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-invalid-range-container`\n\t * when {@link module:engine/view/range~Range#start}\n\t * and {@link module:engine/view/range~Range#end} positions are not placed inside same parent container.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-wrap-invalid-attribute` when passed attribute element is not\n\t * an instance of {@link module:engine/view/attributeelement~AttributeElement AttributeElement}.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-wrap-nonselection-collapsed-range` when passed range\n\t * is collapsed and different than view selection.\n\t *\n\t * @param {module:engine/view/range~Range} range Range to wrap.\n\t * @param {module:engine/view/attributeelement~AttributeElement} attribute Attribute element to use as wrapper.\n\t * @returns {module:engine/view/range~Range} range Range after wrapping, spanning over wrapping attribute element.\n\t */\n\twrap( range, attribute ) {\n\t\tif ( !( attribute instanceof AttributeElement ) ) {\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-writer-wrap-invalid-attribute',\n\t\t\t\tthis.document\n\t\t\t);\n\t\t}\n\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\tif ( !range.isCollapsed ) {\n\t\t\t// Non-collapsed range. Wrap it with the attribute element.\n\t\t\treturn this._wrapRange( range, attribute );\n\t\t} else {\n\t\t\t// Collapsed range. Wrap position.\n\t\t\tlet position = range.start;\n\n\t\t\tif ( position.parent.is( 'element' ) && !_hasNonUiChildren( position.parent ) ) {\n\t\t\t\tposition = position.getLastMatchingPosition( value => value.item.is( 'uiElement' ) );\n\t\t\t}\n\n\t\t\tposition = this._wrapPosition( position, attribute );\n\t\t\tconst viewSelection = this.document.selection;\n\n\t\t\t// If wrapping position is equal to view selection, move view selection inside wrapping attribute element.\n\t\t\tif ( viewSelection.isCollapsed && viewSelection.getFirstPosition().isEqual( range.start ) ) {\n\t\t\t\tthis.setSelection( position );\n\t\t\t}\n\n\t\t\treturn new Range( position );\n\t\t}\n\t}\n\n\t/**\n\t * Unwraps nodes within provided range from attribute element.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions are not placed inside\n\t * same parent container.\n\t *\n\t * @param {module:engine/view/range~Range} range\n\t * @param {module:engine/view/attributeelement~AttributeElement} attribute\n\t */\n\tunwrap( range, attribute ) {\n\t\tif ( !( attribute instanceof AttributeElement ) ) {\n\t\t\t/**\n\t\t\t * The `attribute` passed to {@link module:engine/view/downcastwriter~DowncastWriter#unwrap `DowncastWriter#unwrap()`}\n\t\t\t * must be an instance of {@link module:engine/view/attributeelement~AttributeElement `AttributeElement`}.\n\t\t\t *\n\t\t\t * @error view-writer-unwrap-invalid-attribute\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-writer-unwrap-invalid-attribute',\n\t\t\t\tthis.document\n\t\t\t);\n\t\t}\n\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\t// If range is collapsed - nothing to unwrap.\n\t\tif ( range.isCollapsed ) {\n\t\t\treturn range;\n\t\t}\n\n\t\t// Break attributes at range start and end.\n\t\tconst { start: breakStart, end: breakEnd } = this._breakAttributesRange( range, true );\n\t\tconst parentContainer = breakStart.parent;\n\n\t\t// Unwrap children located between break points.\n\t\tconst newRange = this._unwrapChildren( parentContainer, breakStart.offset, breakEnd.offset, attribute );\n\n\t\t// Merge attributes at the both ends and return a new range.\n\t\tconst start = this.mergeAttributes( newRange.start );\n\n\t\t// If start position was merged - move end position back.\n\t\tif ( !start.isEqual( newRange.start ) ) {\n\t\t\tnewRange.end.offset--;\n\t\t}\n\n\t\tconst end = this.mergeAttributes( newRange.end );\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Renames element by creating a copy of renamed element but with changed name and then moving contents of the\n\t * old element to the new one. Keep in mind that this will invalidate all {@link module:engine/view/position~Position positions} which\n\t * has renamed element as {@link module:engine/view/position~Position#parent a parent}.\n\t *\n\t * New element has to be created because `Element#tagName` property in DOM is readonly.\n\t *\n\t * Since this function creates a new element and removes the given one, the new element is returned to keep reference.\n\t *\n\t * @param {String} newName New name for element.\n\t * @param {module:engine/view/containerelement~ContainerElement} viewElement Element to be renamed.\n\t * @returns {module:engine/view/containerelement~ContainerElement} Element created due to rename.\n\t */\n\trename( newName, viewElement ) {\n\t\tconst newElement = new ContainerElement( this.document, newName, viewElement.getAttributes() );\n\n\t\tthis.insert( Position._createAfter( viewElement ), newElement );\n\t\tthis.move( Range._createIn( viewElement ), Position._createAt( newElement, 0 ) );\n\t\tthis.remove( Range._createOn( viewElement ) );\n\n\t\treturn newElement;\n\t}\n\n\t/**\n\t * Cleans up memory by removing obsolete cloned elements group from the writer.\n\t *\n\t * Should be used whenever all {@link module:engine/view/attributeelement~AttributeElement attribute elements}\n\t * with the same {@link module:engine/view/attributeelement~AttributeElement#id id} are going to be removed from the view and\n\t * the group will no longer be needed.\n\t *\n\t * Cloned elements group are not removed automatically in case if the group is still needed after all its elements\n\t * were removed from the view.\n\t *\n\t * Keep in mind that group names are equal to the `id` property of the attribute element.\n\t *\n\t * @param {String} groupName Name of the group to clear.\n\t */\n\tclearClonedElementsGroup( groupName ) {\n\t\tthis._cloneGroups.delete( groupName );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/view/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/view/item~Item view item} and `'before'` or `'after'` (sets position before or after given view item).\n\t *\n\t * This method is a shortcut to other constructors such as:\n\t *\n\t * * {@link #createPositionBefore},\n\t * * {@link #createPositionAfter},\n\t *\n\t * @param {module:engine/view/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn Position._createAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new position after given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item after which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn Position._createAfter( item );\n\t}\n\n\t/**\n\t * Creates a new position before given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item before which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn Position._createBefore( item );\n\t}\n\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * **Note:** This factory method creates its own {@link module:engine/view/position~Position} instances basing on passed values.\n\t *\n\t * @param {module:engine/view/position~Position} start Start position.\n\t * @param {module:engine/view/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/view/item~Item view item} and ends after it.\n\t *\n\t * @param {module:engine/view/item~Item} item\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeOn( item ) {\n\t\treturn Range._createOn( item );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @param {module:engine/view/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn Range._createIn( element );\n\t}\n\n\t/**\n\t Creates new {@link module:engine/view/selection~Selection} instance.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the document selection.\n\t *\t\tconst selection = writer.createSelection( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'p' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s constructor allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = writer.createSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t * @returns {module:engine/view/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn new Selection( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Wraps children with provided `wrapElement`. Only children contained in `parent` element between\n\t * `startOffset` and `endOffset` will be wrapped.\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} parent\n\t * @param {Number} startOffset\n\t * @param {Number} endOffset\n\t * @param {module:engine/view/element~Element} wrapElement\n\t */\n\t_wrapChildren( parent, startOffset, endOffset, wrapElement ) {\n\t\tlet i = startOffset;\n\t\tconst wrapPositions = [];\n\n\t\twhile ( i < endOffset ) {\n\t\t\tconst child = parent.getChild( i );\n\t\t\tconst isText = child.is( '$text' );\n\t\t\tconst isAttribute = child.is( 'attributeElement' );\n\t\t\tconst isEmpty = child.is( 'emptyElement' );\n\t\t\tconst isUI = child.is( 'uiElement' );\n\t\t\tconst isRaw = child.is( 'rawElement' );\n\n\t\t\t//\n\t\t\t// (In all examples, assume that `wrapElement` is `<span class=\"foo\">` element.)\n\t\t\t//\n\t\t\t// Check if `wrapElement` can be joined with the wrapped element. One of requirements is having same name.\n\t\t\t// If possible, join elements.\n\t\t\t//\n\t\t\t// <p><span class=\"bar\">abc</span></p>  -->  <p><span class=\"foo bar\">abc</span></p>\n\t\t\t//\n\t\t\tif ( isAttribute && this._wrapAttributeElement( wrapElement, child ) ) {\n\t\t\t\twrapPositions.push( new Position( parent, i ) );\n\t\t\t}\n\t\t\t//\n\t\t\t// Wrap the child if it is not an attribute element or if it is an attribute element that should be inside\n\t\t\t// `wrapElement` (due to priority).\n\t\t\t//\n\t\t\t// <p>abc</p>                   -->  <p><span class=\"foo\">abc</span></p>\n\t\t\t// <p><strong>abc</strong></p>  -->  <p><span class=\"foo\"><strong>abc</strong></span></p>\n\t\t\telse if ( isText || isEmpty || isUI || isRaw || ( isAttribute && shouldABeOutsideB( wrapElement, child ) ) ) {\n\t\t\t\t// Clone attribute.\n\t\t\t\tconst newAttribute = wrapElement._clone();\n\n\t\t\t\t// Wrap current node with new attribute.\n\t\t\t\tchild._remove();\n\t\t\t\tnewAttribute._appendChild( child );\n\n\t\t\t\tparent._insertChild( i, newAttribute );\n\t\t\t\tthis._addToClonedElementsGroup( newAttribute );\n\n\t\t\t\twrapPositions.push( new Position( parent, i ) );\n\t\t\t}\n\t\t\t//\n\t\t\t// If other nested attribute is found and it wasn't wrapped (see above), continue wrapping inside it.\n\t\t\t//\n\t\t\t// <p><a href=\"foo.html\">abc</a></p>  -->  <p><a href=\"foo.html\"><span class=\"foo\">abc</span></a></p>\n\t\t\t//\n\t\t\telse if ( isAttribute ) {\n\t\t\t\tthis._wrapChildren( child, 0, child.childCount, wrapElement );\n\t\t\t}\n\n\t\t\ti++;\n\t\t}\n\n\t\t// Merge at each wrap.\n\t\tlet offsetChange = 0;\n\n\t\tfor ( const position of wrapPositions ) {\n\t\t\tposition.offset -= offsetChange;\n\n\t\t\t// Do not merge with elements outside selected children.\n\t\t\tif ( position.offset == startOffset ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst newPosition = this.mergeAttributes( position );\n\n\t\t\t// If nodes were merged - other merge offsets will change.\n\t\t\tif ( !newPosition.isEqual( position ) ) {\n\t\t\t\toffsetChange++;\n\t\t\t\tendOffset--;\n\t\t\t}\n\t\t}\n\n\t\treturn Range._createFromParentsAndOffsets( parent, startOffset, parent, endOffset );\n\t}\n\n\t/**\n\t * Unwraps children from provided `unwrapElement`. Only children contained in `parent` element between\n\t * `startOffset` and `endOffset` will be unwrapped.\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} parent\n\t * @param {Number} startOffset\n\t * @param {Number} endOffset\n\t * @param {module:engine/view/element~Element} unwrapElement\n\t */\n\t_unwrapChildren( parent, startOffset, endOffset, unwrapElement ) {\n\t\tlet i = startOffset;\n\t\tconst unwrapPositions = [];\n\n\t\t// Iterate over each element between provided offsets inside parent.\n\t\t// We don't use tree walker or range iterator because we will be removing and merging potentially multiple nodes,\n\t\t// so it could get messy. It is safer to it manually in this case.\n\t\twhile ( i < endOffset ) {\n\t\t\tconst child = parent.getChild( i );\n\n\t\t\t// Skip all text nodes. There should be no container element's here either.\n\t\t\tif ( !child.is( 'attributeElement' ) ) {\n\t\t\t\ti++;\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//\n\t\t\t// (In all examples, assume that `unwrapElement` is `<span class=\"foo\">` element.)\n\t\t\t//\n\t\t\t// If the child is similar to the given attribute element, unwrap it - it will be completely removed.\n\t\t\t//\n\t\t\t// <p><span class=\"foo\">abc</span>xyz</p>  -->  <p>abcxyz</p>\n\t\t\t//\n\t\t\tif ( child.isSimilar( unwrapElement ) ) {\n\t\t\t\tconst unwrapped = child.getChildren();\n\t\t\t\tconst count = child.childCount;\n\n\t\t\t\t// Replace wrapper element with its children\n\t\t\t\tchild._remove();\n\t\t\t\tparent._insertChild( i, unwrapped );\n\n\t\t\t\tthis._removeFromClonedElementsGroup( child );\n\n\t\t\t\t// Save start and end position of moved items.\n\t\t\t\tunwrapPositions.push(\n\t\t\t\t\tnew Position( parent, i ),\n\t\t\t\t\tnew Position( parent, i + count )\n\t\t\t\t);\n\n\t\t\t\t// Skip elements that were unwrapped. Assuming there won't be another element to unwrap in child elements.\n\t\t\t\ti += count;\n\t\t\t\tendOffset += count - 1;\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//\n\t\t\t// If the child is not similar but is an attribute element, try partial unwrapping - remove the same attributes/styles/classes.\n\t\t\t// Partial unwrapping will happen only if the elements have the same name.\n\t\t\t//\n\t\t\t// <p><span class=\"foo bar\">abc</span>xyz</p>  -->  <p><span class=\"bar\">abc</span>xyz</p>\n\t\t\t// <p><i class=\"foo\">abc</i>xyz</p>            -->  <p><i class=\"foo\">abc</i>xyz</p>\n\t\t\t//\n\t\t\tif ( this._unwrapAttributeElement( unwrapElement, child ) ) {\n\t\t\t\tunwrapPositions.push(\n\t\t\t\t\tnew Position( parent, i ),\n\t\t\t\t\tnew Position( parent, i + 1 )\n\t\t\t\t);\n\n\t\t\t\ti++;\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//\n\t\t\t// If other nested attribute is found, look through it's children for elements to unwrap.\n\t\t\t//\n\t\t\t// <p><i><span class=\"foo\">abc</span></i><p>  -->  <p><i>abc</i><p>\n\t\t\t//\n\t\t\tthis._unwrapChildren( child, 0, child.childCount, unwrapElement );\n\n\t\t\ti++;\n\t\t}\n\n\t\t// Merge at each unwrap.\n\t\tlet offsetChange = 0;\n\n\t\tfor ( const position of unwrapPositions ) {\n\t\t\tposition.offset -= offsetChange;\n\n\t\t\t// Do not merge with elements outside selected children.\n\t\t\tif ( position.offset == startOffset || position.offset == endOffset ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst newPosition = this.mergeAttributes( position );\n\n\t\t\t// If nodes were merged - other merge offsets will change.\n\t\t\tif ( !newPosition.isEqual( position ) ) {\n\t\t\t\toffsetChange++;\n\t\t\t\tendOffset--;\n\t\t\t}\n\t\t}\n\n\t\treturn Range._createFromParentsAndOffsets( parent, startOffset, parent, endOffset );\n\t}\n\n\t/**\n\t * Helper function for `view.writer.wrap`. Wraps range with provided attribute element.\n\t * This method will also merge newly added attribute element with its siblings whenever possible.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-wrap-invalid-attribute` when passed attribute element is not\n\t * an instance of {@link module:engine/view/attributeelement~AttributeElement AttributeElement}.\n\t *\n\t * @private\n\t * @param {module:engine/view/range~Range} range\n\t * @param {module:engine/view/attributeelement~AttributeElement} attribute\n\t * @returns {module:engine/view/range~Range} New range after wrapping, spanning over wrapping attribute element.\n\t */\n\t_wrapRange( range, attribute ) {\n\t\t// Break attributes at range start and end.\n\t\tconst { start: breakStart, end: breakEnd } = this._breakAttributesRange( range, true );\n\t\tconst parentContainer = breakStart.parent;\n\n\t\t// Wrap all children with attribute.\n\t\tconst newRange = this._wrapChildren( parentContainer, breakStart.offset, breakEnd.offset, attribute );\n\n\t\t// Merge attributes at the both ends and return a new range.\n\t\tconst start = this.mergeAttributes( newRange.start );\n\n\t\t// If start position was merged - move end position back.\n\t\tif ( !start.isEqual( newRange.start ) ) {\n\t\t\tnewRange.end.offset--;\n\t\t}\n\t\tconst end = this.mergeAttributes( newRange.end );\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Helper function for {@link #wrap}. Wraps position with provided attribute element.\n\t * This method will also merge newly added attribute element with its siblings whenever possible.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-wrap-invalid-attribute` when passed attribute element is not\n\t * an instance of {@link module:engine/view/attributeelement~AttributeElement AttributeElement}.\n\t *\n\t * @private\n\t * @param {module:engine/view/position~Position} position\n\t * @param {module:engine/view/attributeelement~AttributeElement} attribute\n\t * @returns {module:engine/view/position~Position} New position after wrapping.\n\t */\n\t_wrapPosition( position, attribute ) {\n\t\t// Return same position when trying to wrap with attribute similar to position parent.\n\t\tif ( attribute.isSimilar( position.parent ) ) {\n\t\t\treturn movePositionToTextNode( position.clone() );\n\t\t}\n\n\t\t// When position is inside text node - break it and place new position between two text nodes.\n\t\tif ( position.parent.is( '$text' ) ) {\n\t\t\tposition = breakTextNode( position );\n\t\t}\n\n\t\t// Create fake element that will represent position, and will not be merged with other attributes.\n\t\tconst fakePosition = this.createAttributeElement();\n\t\tfakePosition._priority = Number.POSITIVE_INFINITY;\n\t\tfakePosition.isSimilar = () => false;\n\n\t\t// Insert fake element in position location.\n\t\tposition.parent._insertChild( position.offset, fakePosition );\n\n\t\t// Range around inserted fake attribute element.\n\t\tconst wrapRange = new Range( position, position.getShiftedBy( 1 ) );\n\n\t\t// Wrap fake element with attribute (it will also merge if possible).\n\t\tthis.wrap( wrapRange, attribute );\n\n\t\t// Remove fake element and place new position there.\n\t\tconst newPosition = new Position( fakePosition.parent, fakePosition.index );\n\t\tfakePosition._remove();\n\n\t\t// If position is placed between text nodes - merge them and return position inside.\n\t\tconst nodeBefore = newPosition.nodeBefore;\n\t\tconst nodeAfter = newPosition.nodeAfter;\n\n\t\tif ( nodeBefore instanceof Text && nodeAfter instanceof Text ) {\n\t\t\treturn mergeTextNodes( nodeBefore, nodeAfter );\n\t\t}\n\n\t\t// If position is next to text node - move position inside.\n\t\treturn movePositionToTextNode( newPosition );\n\t}\n\n\t/**\n\t * \tWraps one {@link module:engine/view/attributeelement~AttributeElement AttributeElement} into another by\n\t * \tmerging them if possible. When merging is possible - all attributes, styles and classes are moved from wrapper\n\t * \telement to element being wrapped.\n\t *\n\t * \t@private\n\t * \t@param {module:engine/view/attributeelement~AttributeElement} wrapper Wrapper AttributeElement.\n\t * \t@param {module:engine/view/attributeelement~AttributeElement} toWrap AttributeElement to wrap using wrapper element.\n\t * \t@returns {Boolean} Returns `true` if elements are merged.\n\t */\n\t_wrapAttributeElement( wrapper, toWrap ) {\n\t\tif ( !canBeJoined( wrapper, toWrap ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Can't merge if name or priority differs.\n\t\tif ( wrapper.name !== toWrap.name || wrapper.priority !== toWrap.priority ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check if attributes can be merged.\n\t\tfor ( const key of wrapper.getAttributeKeys() ) {\n\t\t\t// Classes and styles should be checked separately.\n\t\t\tif ( key === 'class' || key === 'style' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// If some attributes are different we cannot wrap.\n\t\t\tif ( toWrap.hasAttribute( key ) && toWrap.getAttribute( key ) !== wrapper.getAttribute( key ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Check if styles can be merged.\n\t\tfor ( const key of wrapper.getStyleNames() ) {\n\t\t\tif ( toWrap.hasStyle( key ) && toWrap.getStyle( key ) !== wrapper.getStyle( key ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Move all attributes/classes/styles from wrapper to wrapped AttributeElement.\n\t\tfor ( const key of wrapper.getAttributeKeys() ) {\n\t\t\t// Classes and styles should be checked separately.\n\t\t\tif ( key === 'class' || key === 'style' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// Move only these attributes that are not present - other are similar.\n\t\t\tif ( !toWrap.hasAttribute( key ) ) {\n\t\t\t\tthis.setAttribute( key, wrapper.getAttribute( key ), toWrap );\n\t\t\t}\n\t\t}\n\n\t\tfor ( const key of wrapper.getStyleNames() ) {\n\t\t\tif ( !toWrap.hasStyle( key ) ) {\n\t\t\t\tthis.setStyle( key, wrapper.getStyle( key ), toWrap );\n\t\t\t}\n\t\t}\n\n\t\tfor ( const key of wrapper.getClassNames() ) {\n\t\t\tif ( !toWrap.hasClass( key ) ) {\n\t\t\t\tthis.addClass( key, toWrap );\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Unwraps {@link module:engine/view/attributeelement~AttributeElement AttributeElement} from another by removing\n\t * corresponding attributes, classes and styles. All attributes, classes and styles from wrapper should be present\n\t * inside element being unwrapped.\n\t *\n\t * @private\n\t * @param {module:engine/view/attributeelement~AttributeElement} wrapper Wrapper AttributeElement.\n\t * @param {module:engine/view/attributeelement~AttributeElement} toUnwrap AttributeElement to unwrap using wrapper element.\n\t * @returns {Boolean} Returns `true` if elements are unwrapped.\n\t **/\n\t_unwrapAttributeElement( wrapper, toUnwrap ) {\n\t\tif ( !canBeJoined( wrapper, toUnwrap ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Can't unwrap if name or priority differs.\n\t\tif ( wrapper.name !== toUnwrap.name || wrapper.priority !== toUnwrap.priority ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check if AttributeElement has all wrapper attributes.\n\t\tfor ( const key of wrapper.getAttributeKeys() ) {\n\t\t\t// Classes and styles should be checked separately.\n\t\t\tif ( key === 'class' || key === 'style' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// If some attributes are missing or different we cannot unwrap.\n\t\t\tif ( !toUnwrap.hasAttribute( key ) || toUnwrap.getAttribute( key ) !== wrapper.getAttribute( key ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Check if AttributeElement has all wrapper classes.\n\t\tif ( !toUnwrap.hasClass( ...wrapper.getClassNames() ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check if AttributeElement has all wrapper styles.\n\t\tfor ( const key of wrapper.getStyleNames() ) {\n\t\t\t// If some styles are missing or different we cannot unwrap.\n\t\t\tif ( !toUnwrap.hasStyle( key ) || toUnwrap.getStyle( key ) !== wrapper.getStyle( key ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Remove all wrapper's attributes from unwrapped element.\n\t\tfor ( const key of wrapper.getAttributeKeys() ) {\n\t\t\t// Classes and styles should be checked separately.\n\t\t\tif ( key === 'class' || key === 'style' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tthis.removeAttribute( key, toUnwrap );\n\t\t}\n\n\t\t// Remove all wrapper's classes from unwrapped element.\n\t\tthis.removeClass( Array.from( wrapper.getClassNames() ), toUnwrap );\n\n\t\t// Remove all wrapper's styles from unwrapped element.\n\t\tthis.removeStyle( Array.from( wrapper.getStyleNames() ), toUnwrap );\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Helper function used by other `DowncastWriter` methods. Breaks attribute elements at the boundaries of given range.\n\t *\n\t * @private\n\t * @param {module:engine/view/range~Range} range Range which `start` and `end` positions will be used to break attributes.\n\t * @param {Boolean} [forceSplitText=false] If set to `true`, will break text nodes even if they are directly in container element.\n\t * This behavior will result in incorrect view state, but is needed by other view writing methods which then fixes view state.\n\t * @returns {module:engine/view/range~Range} New range with located at break positions.\n\t */\n\t_breakAttributesRange( range, forceSplitText = false ) {\n\t\tconst rangeStart = range.start;\n\t\tconst rangeEnd = range.end;\n\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\t// Break at the collapsed position. Return new collapsed range.\n\t\tif ( range.isCollapsed ) {\n\t\t\tconst position = this._breakAttributes( range.start, forceSplitText );\n\n\t\t\treturn new Range( position, position );\n\t\t}\n\n\t\tconst breakEnd = this._breakAttributes( rangeEnd, forceSplitText );\n\t\tconst count = breakEnd.parent.childCount;\n\t\tconst breakStart = this._breakAttributes( rangeStart, forceSplitText );\n\n\t\t// Calculate new break end offset.\n\t\tbreakEnd.offset += breakEnd.parent.childCount - count;\n\n\t\treturn new Range( breakStart, breakEnd );\n\t}\n\n\t/**\n\t * Helper function used by other `DowncastWriter` methods. Breaks attribute elements at given position.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-cannot-break-empty-element` when break position\n\t * is placed inside {@link module:engine/view/emptyelement~EmptyElement EmptyElement}.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-cannot-break-ui-element` when break position\n\t * is placed inside {@link module:engine/view/uielement~UIElement UIElement}.\n\t *\n\t * @private\n\t * @param {module:engine/view/position~Position} position Position where to break attributes.\n\t * @param {Boolean} [forceSplitText=false] If set to `true`, will break text nodes even if they are directly in container element.\n\t * This behavior will result in incorrect view state, but is needed by other view writing methods which then fixes view state.\n\t * @returns {module:engine/view/position~Position} New position after breaking the attributes.\n\t */\n\t_breakAttributes( position, forceSplitText = false ) {\n\t\tconst positionOffset = position.offset;\n\t\tconst positionParent = position.parent;\n\n\t\t// If position is placed inside EmptyElement - throw an exception as we cannot break inside.\n\t\tif ( position.parent.is( 'emptyElement' ) ) {\n\t\t\t/**\n\t\t\t * Cannot break an `EmptyElement` instance.\n\t\t\t *\n\t\t\t * This error is thrown if\n\t\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes `DowncastWriter#breakAttributes()`}\n\t\t\t * was executed in an incorrect position.\n\t\t\t *\n\t\t\t * @error view-writer-cannot-break-empty-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-cannot-break-empty-element', this.document );\n\t\t}\n\n\t\t// If position is placed inside UIElement - throw an exception as we cannot break inside.\n\t\tif ( position.parent.is( 'uiElement' ) ) {\n\t\t\t/**\n\t\t\t * Cannot break a `UIElement` instance.\n\t\t\t *\n\t\t\t * This error is thrown if\n\t\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes `DowncastWriter#breakAttributes()`}\n\t\t\t * was executed in an incorrect position.\n\t\t\t *\n\t\t\t * @error view-writer-cannot-break-ui-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-cannot-break-ui-element', this.document );\n\t\t}\n\n\t\t// If position is placed inside RawElement - throw an exception as we cannot break inside.\n\t\tif ( position.parent.is( 'rawElement' ) ) {\n\t\t\t/**\n\t\t\t * Cannot break a `RawElement` instance.\n\t\t\t *\n\t\t\t * This error is thrown if\n\t\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes `DowncastWriter#breakAttributes()`}\n\t\t\t * was executed in an incorrect position.\n\t\t\t *\n\t\t\t * @error view-writer-cannot-break-raw-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-cannot-break-raw-element', this.document );\n\t\t}\n\n\t\t// There are no attributes to break and text nodes breaking is not forced.\n\t\tif ( !forceSplitText && positionParent.is( '$text' ) && isContainerOrFragment( positionParent.parent ) ) {\n\t\t\treturn position.clone();\n\t\t}\n\n\t\t// Position's parent is container, so no attributes to break.\n\t\tif ( isContainerOrFragment( positionParent ) ) {\n\t\t\treturn position.clone();\n\t\t}\n\n\t\t// Break text and start again in new position.\n\t\tif ( positionParent.is( '$text' ) ) {\n\t\t\treturn this._breakAttributes( breakTextNode( position ), forceSplitText );\n\t\t}\n\n\t\tconst length = positionParent.childCount;\n\n\t\t// <p>foo<b><u>bar{}</u></b></p>\n\t\t// <p>foo<b><u>bar</u>[]</b></p>\n\t\t// <p>foo<b><u>bar</u></b>[]</p>\n\t\tif ( positionOffset == length ) {\n\t\t\tconst newPosition = new Position( positionParent.parent, positionParent.index + 1 );\n\n\t\t\treturn this._breakAttributes( newPosition, forceSplitText );\n\t\t} else {\n\t\t\t// <p>foo<b><u>{}bar</u></b></p>\n\t\t\t// <p>foo<b>[]<u>bar</u></b></p>\n\t\t\t// <p>foo{}<b><u>bar</u></b></p>\n\t\t\tif ( positionOffset === 0 ) {\n\t\t\t\tconst newPosition = new Position( positionParent.parent, positionParent.index );\n\n\t\t\t\treturn this._breakAttributes( newPosition, forceSplitText );\n\t\t\t}\n\t\t\t// <p>foo<b><u>b{}ar</u></b></p>\n\t\t\t// <p>foo<b><u>b[]ar</u></b></p>\n\t\t\t// <p>foo<b><u>b</u>[]<u>ar</u></b></p>\n\t\t\t// <p>foo<b><u>b</u></b>[]<b><u>ar</u></b></p>\n\t\t\telse {\n\t\t\t\tconst offsetAfter = positionParent.index + 1;\n\n\t\t\t\t// Break element.\n\t\t\t\tconst clonedNode = positionParent._clone();\n\n\t\t\t\t// Insert cloned node to position's parent node.\n\t\t\t\tpositionParent.parent._insertChild( offsetAfter, clonedNode );\n\t\t\t\tthis._addToClonedElementsGroup( clonedNode );\n\n\t\t\t\t// Get nodes to move.\n\t\t\t\tconst count = positionParent.childCount - positionOffset;\n\t\t\t\tconst nodesToMove = positionParent._removeChildren( positionOffset, count );\n\n\t\t\t\t// Move nodes to cloned node.\n\t\t\t\tclonedNode._appendChild( nodesToMove );\n\n\t\t\t\t// Create new position to work on.\n\t\t\t\tconst newPosition = new Position( positionParent.parent, offsetAfter );\n\n\t\t\t\treturn this._breakAttributes( newPosition, forceSplitText );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Stores the information that an {@link module:engine/view/attributeelement~AttributeElement attribute element} was\n\t * added to the tree. Saves the reference to the group in the given element and updates the group, so other elements\n\t * from the group now keep a reference to the given attribute element.\n\t *\n\t * The clones group can be obtained using {@link module:engine/view/attributeelement~AttributeElement#getElementsWithSameId}.\n\t *\n\t * Does nothing if added element has no {@link module:engine/view/attributeelement~AttributeElement#id id}.\n\t *\n\t * @private\n\t * @param {module:engine/view/attributeelement~AttributeElement} element Attribute element to save.\n\t */\n\t_addToClonedElementsGroup( element ) {\n\t\t// Add only if the element is in document tree.\n\t\tif ( !element.root.is( 'rootElement' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Traverse the element's children recursively to find other attribute elements that also might got inserted.\n\t\t// The loop is at the beginning so we can make fast returns later in the code.\n\t\tif ( element.is( 'element' ) ) {\n\t\t\tfor ( const child of element.getChildren() ) {\n\t\t\t\tthis._addToClonedElementsGroup( child );\n\t\t\t}\n\t\t}\n\n\t\tconst id = element.id;\n\n\t\tif ( !id ) {\n\t\t\treturn;\n\t\t}\n\n\t\tlet group = this._cloneGroups.get( id );\n\n\t\tif ( !group ) {\n\t\t\tgroup = new Set();\n\t\t\tthis._cloneGroups.set( id, group );\n\t\t}\n\n\t\tgroup.add( element );\n\t\telement._clonesGroup = group;\n\t}\n\n\t/**\n\t * Removes all the information about the given {@link module:engine/view/attributeelement~AttributeElement attribute element}\n\t * from its clones group.\n\t *\n\t * Keep in mind, that the element will still keep a reference to the group (but the group will not keep a reference to it).\n\t * This allows to reference the whole group even if the element was already removed from the tree.\n\t *\n\t * Does nothing if the element has no {@link module:engine/view/attributeelement~AttributeElement#id id}.\n\t *\n\t * @private\n\t * @param {module:engine/view/attributeelement~AttributeElement} element Attribute element to remove.\n\t */\n\t_removeFromClonedElementsGroup( element ) {\n\t\t// Traverse the element's children recursively to find other attribute elements that also got removed.\n\t\t// The loop is at the beginning so we can make fast returns later in the code.\n\t\tif ( element.is( 'element' ) ) {\n\t\t\tfor ( const child of element.getChildren() ) {\n\t\t\t\tthis._removeFromClonedElementsGroup( child );\n\t\t\t}\n\t\t}\n\n\t\tconst id = element.id;\n\n\t\tif ( !id ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst group = this._cloneGroups.get( id );\n\n\t\tif ( !group ) {\n\t\t\treturn;\n\t\t}\n\n\t\tgroup.delete( element );\n\t\t// Not removing group from element on purpose!\n\t\t// If other parts of code have reference to this element, they will be able to get references to other elements from the group.\n\t}\n}\n\n// Helper function for `view.writer.wrap`. Checks if given element has any children that are not ui elements.\nfunction _hasNonUiChildren( parent ) {\n\treturn Array.from( parent.getChildren() ).some( child => !child.is( 'uiElement' ) );\n}\n\n/**\n * The `attribute` passed to {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#wrap()`}\n * must be an instance of {@link module:engine/view/attributeelement~AttributeElement `AttributeElement`}.\n *\n * @error view-writer-wrap-invalid-attribute\n */\n\n// Returns first parent container of specified {@link module:engine/view/position~Position Position}.\n// Position's parent node is checked as first, then next parents are checked.\n// Note that {@link module:engine/view/documentfragment~DocumentFragment DocumentFragment} is treated like a container.\n//\n// @param {module:engine/view/position~Position} position Position used as a start point to locate parent container.\n// @returns {module:engine/view/containerelement~ContainerElement|module:engine/view/documentfragment~DocumentFragment|undefined}\n// Parent container element or `undefined` if container is not found.\nfunction getParentContainer( position ) {\n\tlet parent = position.parent;\n\n\twhile ( !isContainerOrFragment( parent ) ) {\n\t\tif ( !parent ) {\n\t\t\treturn undefined;\n\t\t}\n\t\tparent = parent.parent;\n\t}\n\n\treturn parent;\n}\n\n// Checks if first {@link module:engine/view/attributeelement~AttributeElement AttributeElement} provided to the function\n// can be wrapped otuside second element. It is done by comparing elements'\n// {@link module:engine/view/attributeelement~AttributeElement#priority priorities}, if both have same priority\n// {@link module:engine/view/element~Element#getIdentity identities} are compared.\n//\n// @param {module:engine/view/attributeelement~AttributeElement} a\n// @param {module:engine/view/attributeelement~AttributeElement} b\n// @returns {Boolean}\nfunction shouldABeOutsideB( a, b ) {\n\tif ( a.priority < b.priority ) {\n\t\treturn true;\n\t} else if ( a.priority > b.priority ) {\n\t\treturn false;\n\t}\n\n\t// When priorities are equal and names are different - use identities.\n\treturn a.getIdentity() < b.getIdentity();\n}\n\n// Returns new position that is moved to near text node. Returns same position if there is no text node before of after\n// specified position.\n//\n//\t\t<p>foo[]</p>  ->  <p>foo{}</p>\n//\t\t<p>[]foo</p>  ->  <p>{}foo</p>\n//\n// @param {module:engine/view/position~Position} position\n// @returns {module:engine/view/position~Position} Position located inside text node or same position if there is no text nodes\n// before or after position location.\nfunction movePositionToTextNode( position ) {\n\tconst nodeBefore = position.nodeBefore;\n\n\tif ( nodeBefore && nodeBefore.is( '$text' ) ) {\n\t\treturn new Position( nodeBefore, nodeBefore.data.length );\n\t}\n\n\tconst nodeAfter = position.nodeAfter;\n\n\tif ( nodeAfter && nodeAfter.is( '$text' ) ) {\n\t\treturn new Position( nodeAfter, 0 );\n\t}\n\n\treturn position;\n}\n\n// Breaks text node into two text nodes when possible.\n//\n//\t\t<p>foo{}bar</p> -> <p>foo[]bar</p>\n//\t\t<p>{}foobar</p> -> <p>[]foobar</p>\n//\t\t<p>foobar{}</p> -> <p>foobar[]</p>\n//\n// @param {module:engine/view/position~Position} position Position that need to be placed inside text node.\n// @returns {module:engine/view/position~Position} New position after breaking text node.\nfunction breakTextNode( position ) {\n\tif ( position.offset == position.parent.data.length ) {\n\t\treturn new Position( position.parent.parent, position.parent.index + 1 );\n\t}\n\n\tif ( position.offset === 0 ) {\n\t\treturn new Position( position.parent.parent, position.parent.index );\n\t}\n\n\t// Get part of the text that need to be moved.\n\tconst textToMove = position.parent.data.slice( position.offset );\n\n\t// Leave rest of the text in position's parent.\n\tposition.parent._data = position.parent.data.slice( 0, position.offset );\n\n\t// Insert new text node after position's parent text node.\n\tposition.parent.parent._insertChild( position.parent.index + 1, new Text( position.root.document, textToMove ) );\n\n\t// Return new position between two newly created text nodes.\n\treturn new Position( position.parent.parent, position.parent.index + 1 );\n}\n\n// Merges two text nodes into first node. Removes second node and returns merge position.\n//\n// @param {module:engine/view/text~Text} t1 First text node to merge. Data from second text node will be moved at the end of\n// this text node.\n// @param {module:engine/view/text~Text} t2 Second text node to merge. This node will be removed after merging.\n// @returns {module:engine/view/position~Position} Position after merging text nodes.\nfunction mergeTextNodes( t1, t2 ) {\n\t// Merge text data into first text node and remove second one.\n\tconst nodeBeforeLength = t1.data.length;\n\tt1._data += t2.data;\n\tt2._remove();\n\n\treturn new Position( t1, nodeBeforeLength );\n}\n\n// Checks if provided nodes are valid to insert.\n//\n// Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-insert-invalid-node` when nodes to insert\n// contains instances that are not supported ones (see error description for valid ones.\n//\n// @param Iterable.<module:engine/view/text~Text|module:engine/view/element~Element> nodes\n// @param {Object} errorContext\nfunction validateNodesToInsert( nodes, errorContext ) {\n\tfor ( const node of nodes ) {\n\t\tif ( !validNodesToInsert.some( ( validNode => node instanceof validNode ) ) ) { // eslint-disable-line no-use-before-define\n\t\t\t/**\n\t\t\t * One of the nodes to be inserted is of an invalid type.\n\t\t\t *\n\t\t\t * Nodes to be inserted with {@link module:engine/view/downcastwriter~DowncastWriter#insert `DowncastWriter#insert()`} should be\n\t\t\t * of the following types:\n\t\t\t *\n\t\t\t * * {@link module:engine/view/attributeelement~AttributeElement AttributeElement},\n\t\t\t * * {@link module:engine/view/containerelement~ContainerElement ContainerElement},\n\t\t\t * * {@link module:engine/view/emptyelement~EmptyElement EmptyElement},\n\t\t\t * * {@link module:engine/view/uielement~UIElement UIElement},\n\t\t\t * * {@link module:engine/view/rawelement~RawElement RawElement},\n\t\t\t * * {@link module:engine/view/text~Text Text}.\n\t\t\t *\n\t\t\t * @error view-writer-insert-invalid-node-type\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-insert-invalid-node-type', errorContext );\n\t\t}\n\n\t\tif ( !node.is( '$text' ) ) {\n\t\t\tvalidateNodesToInsert( node.getChildren(), errorContext );\n\t\t}\n\t}\n}\n\nconst validNodesToInsert = [ Text, AttributeElement, ContainerElement, EmptyElement, RawElement, UIElement ];\n\n// Checks if node is ContainerElement or DocumentFragment, because in most cases they should be treated the same way.\n//\n// @param {module:engine/view/node~Node} node\n// @returns {Boolean} Returns `true` if node is instance of ContainerElement or DocumentFragment.\nfunction isContainerOrFragment( node ) {\n\treturn node && ( node.is( 'containerElement' ) || node.is( 'documentFragment' ) );\n}\n\n// Checks if {@link module:engine/view/range~Range#start range start} and {@link module:engine/view/range~Range#end range end} are placed\n// inside same {@link module:engine/view/containerelement~ContainerElement container element}.\n// Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when validation fails.\n//\n// @param {module:engine/view/range~Range} range\n// @param {Object} errorContext\nfunction validateRangeContainer( range, errorContext ) {\n\tconst startContainer = getParentContainer( range.start );\n\tconst endContainer = getParentContainer( range.end );\n\n\tif ( !startContainer || !endContainer || startContainer !== endContainer ) {\n\t\t/**\n\t\t * The container of the given range is invalid.\n\t\t *\n\t\t * This may happen if {@link module:engine/view/range~Range#start range start} and\n\t\t * {@link module:engine/view/range~Range#end range end} positions are not placed inside the same container element or\n\t\t * a parent container for these positions cannot be found.\n\t\t *\n\t\t * Methods like {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#remove()`},\n\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#clean()`},\n\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#wrap()`},\n\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#unwrap()`} need to be called\n\t\t * on a range that has its start and end positions located in the same container element. Both positions can be\n\t\t * nested within other elements (e.g. an attribute element) but the closest container ancestor must be the same.\n\t\t *\n\t\t * @error view-writer-invalid-range-container\n\t\t */\n\t\tthrow new CKEditorError( 'view-writer-invalid-range-container', errorContext );\n\t}\n}\n\n// Checks if two attribute elements can be joined together. Elements can be joined together if, and only if\n// they do not have ids specified.\n//\n// @private\n// @param {module:engine/view/element~Element} a\n// @param {module:engine/view/element~Element} b\n// @returns {Boolean}\nfunction canBeJoined( a, b ) {\n\treturn a.id === null && b.id === null;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/istext\n */\n\n/**\n * Checks if the object is a native DOM Text node.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isText( obj ) {\n\treturn Object.prototype.toString.call( obj ) == '[object Text]';\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport isText from '@ckeditor/ckeditor5-utils/src/dom/istext';\n\n/**\n * Set of utils related to block and inline fillers handling.\n *\n * Browsers do not allow to put caret in elements which does not have height. Because of it, we need to fill all\n * empty elements which should be selectable with elements or characters called \"fillers\". Unfortunately there is no one\n * universal filler, this is why two types are uses:\n *\n * * Block filler is an element which fill block elements, like `<p>`. CKEditor uses `<br>` as a block filler during the editing,\n * as browsers do natively. So instead of an empty `<p>` there will be `<p><br></p>`. The advantage of block filler is that\n * it is transparent for the selection, so when the caret is before the `<br>` and user presses right arrow he will be\n * moved to the next paragraph, not after the `<br>`. The disadvantage is that it breaks a block, so it can not be used\n * in the middle of a line of text. The {@link module:engine/view/filler~BR_FILLER `<br>` filler} can be replaced with any other\n * character in the data output, for instance {@link module:engine/view/filler~NBSP_FILLER non-breaking space}.\n *\n * * Inline filler is a filler which does not break a line of text, so it can be used inside the text, for instance in the empty\n * `<b>` surrendered by text: `foo<b></b>bar`, if we want to put the caret there. CKEditor uses a sequence of the zero-width\n * spaces as an {@link module:engine/view/filler~INLINE_FILLER inline filler} having the predetermined\n * {@link module:engine/view/filler~INLINE_FILLER_LENGTH length}. A sequence is used, instead of a single character to\n * avoid treating random zero-width spaces as the inline filler. Disadvantage of the inline filler is that it is not\n * transparent for the selection. The arrow key moves the caret between zero-width spaces characters, so the additional\n * code is needed to handle the caret.\n *\n * Both inline and block fillers are handled by the {@link module:engine/view/renderer~Renderer renderer} and are not present in the\n * view.\n *\n * @module engine/view/filler\n */\n\n/**\n * Non-breaking space filler creator. This is a function which creates `&nbsp;` text node.\n * It defines how the filler is created.\n *\n * @see module:engine/view/filler~BR_FILLER\n * @function\n */\nexport const NBSP_FILLER = domDocument => domDocument.createTextNode( '\\u00A0' );\n\n/**\n * `<br>` filler creator. This is a function which creates `<br data-cke-filler=\"true\">` element.\n * It defines how the filler is created.\n *\n * @see module:engine/view/filler~NBSP_FILLER\n * @function\n */\nexport const BR_FILLER = domDocument => {\n\tconst fillerBr = domDocument.createElement( 'br' );\n\tfillerBr.dataset.ckeFiller = true;\n\n\treturn fillerBr;\n};\n\n/**\n * Length of the {@link module:engine/view/filler~INLINE_FILLER INLINE_FILLER}.\n */\nexport const INLINE_FILLER_LENGTH = 7;\n\n/**\n * Inline filler which is a sequence of the zero width spaces.\n *\n * @type {String}\n */\nexport const INLINE_FILLER = ( () => {\n\tlet inlineFiller = '';\n\n\tfor ( let i = 0; i < INLINE_FILLER_LENGTH; i++ ) {\n\t\tinlineFiller += '\\u200b';\n\t}\n\n\treturn inlineFiller;\n} )(); // Usu IIF so the INLINE_FILLER appears as a constant in the docs.\n\n/**\n * Checks if the node is a text node which starts with the {@link module:engine/view/filler~INLINE_FILLER inline filler}.\n *\n *\t\tstartsWithFiller( document.createTextNode( INLINE_FILLER ) ); // true\n *\t\tstartsWithFiller( document.createTextNode( INLINE_FILLER + 'foo' ) ); // true\n *\t\tstartsWithFiller( document.createTextNode( 'foo' ) ); // false\n *\t\tstartsWithFiller( document.createElement( 'p' ) ); // false\n *\n * @param {Node} domNode DOM node.\n * @returns {Boolean} True if the text node starts with the {@link module:engine/view/filler~INLINE_FILLER inline filler}.\n */\nexport function startsWithFiller( domNode ) {\n\treturn isText( domNode ) && ( domNode.data.substr( 0, INLINE_FILLER_LENGTH ) === INLINE_FILLER );\n}\n\n/**\n * Checks if the text node contains only the {@link module:engine/view/filler~INLINE_FILLER inline filler}.\n *\n *\t\tisInlineFiller( document.createTextNode( INLINE_FILLER ) ); // true\n *\t\tisInlineFiller( document.createTextNode( INLINE_FILLER + 'foo' ) ); // false\n *\n * @param {Text} domText DOM text node.\n * @returns {Boolean} True if the text node contains only the {@link module:engine/view/filler~INLINE_FILLER inline filler}.\n */\nexport function isInlineFiller( domText ) {\n\treturn domText.data.length == INLINE_FILLER_LENGTH && startsWithFiller( domText );\n}\n\n/**\n * Get string data from the text node, removing an {@link module:engine/view/filler~INLINE_FILLER inline filler} from it,\n * if text node contains it.\n *\n *\t\tgetDataWithoutFiller( document.createTextNode( INLINE_FILLER + 'foo' ) ) == 'foo' // true\n *\t\tgetDataWithoutFiller( document.createTextNode( 'foo' ) ) == 'foo' // true\n *\n * @param {Text} domText DOM text node, possible with inline filler.\n * @returns {String} Data without filler.\n */\nexport function getDataWithoutFiller( domText ) {\n\tif ( startsWithFiller( domText ) ) {\n\t\treturn domText.data.slice( INLINE_FILLER_LENGTH );\n\t} else {\n\t\treturn domText.data;\n\t}\n}\n\n/**\n * Assign key observer which move cursor from the end of the inline filler to the beginning of it when\n * the left arrow is pressed, so the filler does not break navigation.\n *\n * @param {module:engine/view/view~View} view View controller instance we should inject quirks handling on.\n */\nexport function injectQuirksHandling( view ) {\n\tview.document.on( 'keydown', jumpOverInlineFiller );\n}\n\n// Move cursor from the end of the inline filler to the beginning of it when, so the filler does not break navigation.\nfunction jumpOverInlineFiller( evt, data ) {\n\tif ( data.keyCode == keyCodes.arrowleft ) {\n\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\n\t\tif ( domSelection.rangeCount == 1 && domSelection.getRangeAt( 0 ).collapsed ) {\n\t\t\tconst domParent = domSelection.getRangeAt( 0 ).startContainer;\n\t\t\tconst domOffset = domSelection.getRangeAt( 0 ).startOffset;\n\n\t\t\tif ( startsWithFiller( domParent ) && domOffset <= INLINE_FILLER_LENGTH ) {\n\t\t\t\tdomSelection.collapse( domParent, 0 );\n\t\t\t}\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/fastdiff\n */\n\n/**\n * Finds positions of the first and last change in the given string/array and generates a set of changes:\n *\n *\t\tfastDiff( '12a', '12xyza' );\n *\t\t// [ { index: 2, type: 'insert', values: [ 'x', 'y', 'z' ] } ]\n *\n *\t\tfastDiff( '12a', '12aa' );\n *\t\t// [ { index: 3, type: 'insert', values: [ 'a' ] } ]\n *\n *\t\tfastDiff( '12xyza', '12a' );\n *\t\t// [ { index: 2, type: 'delete', howMany: 3 } ]\n *\n *\t\tfastDiff( [ '1', '2', 'a', 'a' ], [ '1', '2', 'a' ] );\n *\t\t// [ { index: 3, type: 'delete', howMany: 1 } ]\n *\n *\t\tfastDiff( [ '1', '2', 'a', 'b', 'c', '3' ], [ '2', 'a', 'b' ] );\n *\t\t// [ { index: 0, type: 'insert', values: [ '2', 'a', 'b' ] }, { index: 3, type: 'delete', howMany: 6 } ]\n *\n * Passed arrays can contain any type of data, however to compare them correctly custom comparator function\n * should be passed as a third parameter:\n *\n *\t\tfastDiff( [ { value: 1 }, { value: 2 } ], [ { value: 1 }, { value: 3 } ], ( a, b ) => {\n *\t\t\treturn a.value === b.value;\n *\t\t} );\n *\t\t// [ { index: 1, type: 'insert', values: [ { value: 3 } ] }, { index: 2, type: 'delete', howMany: 1 } ]\n *\n * The resulted set of changes can be applied to the input in order to transform it into the output, for example:\n *\n *\t\tlet input = '12abc3';\n *\t\tconst output = '2ab';\n *\t\tconst changes = fastDiff( input, output );\n *\n *\t\tchanges.forEach( change => {\n *\t\t\tif ( change.type == 'insert' ) {\n *\t\t\t\tinput = input.substring( 0, change.index ) + change.values.join( '' ) + input.substring( change.index );\n *\t\t\t} else if ( change.type == 'delete' ) {\n *\t\t\t\tinput = input.substring( 0, change.index ) + input.substring( change.index + change.howMany );\n *\t\t\t}\n *\t\t} );\n *\n *\t\t// input equals output now\n *\n * or in case of arrays:\n *\n *\t\tlet input = [ '1', '2', 'a', 'b', 'c', '3' ];\n *\t\tconst output = [ '2', 'a', 'b' ];\n *\t\tconst changes = fastDiff( input, output );\n *\n *\t\tchanges.forEach( change => {\n *\t\t\tif ( change.type == 'insert' ) {\n *\t\t\t\tinput = input.slice( 0, change.index ).concat( change.values, input.slice( change.index ) );\n *\t\t\t} else if ( change.type == 'delete' ) {\n *\t\t\t\tinput = input.slice( 0, change.index ).concat( input.slice( change.index + change.howMany ) );\n *\t\t\t}\n *\t\t} );\n *\n *\t\t// input equals output now\n *\n * By passing `true` as the fourth parameter (`atomicChanges`) the output of this function will become compatible with\n * the {@link module:utils/diff~diff `diff()`} function:\n *\n *\t\tfastDiff( '12a', '12xyza' );\n *\t\t// [ 'equal', 'equal', 'insert', 'insert', 'insert', 'equal' ]\n *\n * The default output format of this function is compatible with the output format of\n * {@link module:utils/difftochanges~diffToChanges `diffToChanges()`}. The `diffToChanges()` input format is, in turn,\n * compatible with the output of {@link module:utils/diff~diff `diff()`}:\n *\n *\t\tconst a = '1234';\n *\t\tconst b = '12xyz34';\n *\n *\t\t// Both calls will return the same results (grouped changes format).\n *\t\tfastDiff( a, b );\n *\t\tdiffToChanges( diff( a, b ) );\n *\n *\t\t// Again, both calls will return the same results (atomic changes format).\n *\t\tfastDiff( a, b, null, true );\n *\t\tdiff( a, b );\n *\n *\n * @param {Array|String} a Input array or string.\n * @param {Array|String} b Input array or string.\n * @param {Function} [cmp] Optional function used to compare array values, by default `===` (strict equal operator) is used.\n * @param {Boolean} [atomicChanges=false] Whether an array of `inset|delete|equal` operations should\n * be returned instead of changes set. This makes this function compatible with {@link module:utils/diff~diff `diff()`}.\n * @returns {Array} Array of changes.\n */\nexport default function fastDiff( a, b, cmp, atomicChanges = false ) {\n\t// Set the comparator function.\n\tcmp = cmp || function( a, b ) {\n\t\treturn a === b;\n\t};\n\n\t// Convert the string (or any array-like object - eg. NodeList) to an array by using the slice() method because,\n\t// unlike Array.from(), it returns array of UTF-16 code units instead of the code points of a string.\n\t// One code point might be a surrogate pair of two code units. All text offsets are expected to be in code units.\n\t// See ckeditor/ckeditor5#3147.\n\t//\n\t// We need to make sure here that fastDiff() works identical to diff().\n\tif ( !Array.isArray( a ) ) {\n\t\ta = Array.prototype.slice.call( a );\n\t}\n\n\tif ( !Array.isArray( b ) ) {\n\t\tb = Array.prototype.slice.call( b );\n\t}\n\n\t// Find first and last change.\n\tconst changeIndexes = findChangeBoundaryIndexes( a, b, cmp );\n\n\t// Transform into changes array.\n\treturn atomicChanges ? changeIndexesToAtomicChanges( changeIndexes, b.length ) : changeIndexesToChanges( b, changeIndexes );\n}\n\n// Finds position of the first and last change in the given arrays. For example:\n//\n//\t\tconst indexes = findChangeBoundaryIndexes( [ '1', '2', '3', '4' ], [ '1', '3', '4', '2', '4' ] );\n//\t\tconsole.log( indexes ); // { firstIndex: 1, lastIndexOld: 3, lastIndexNew: 4 }\n//\n// The above indexes means that in the first array the modified part is `1[23]4` and in the second array it is `1[342]4`.\n// Based on such indexes, array with `insert`/`delete` operations which allows transforming first value into the second one\n// can be generated.\n//\n// @param {Array} arr1\n// @param {Array} arr2\n// @param {Function} cmp Comparator function.\n// @returns {Object}\n// @returns {Number} return.firstIndex Index of the first change in both values (always the same for both).\n// @returns {Number} result.lastIndexOld Index of the last common value in `arr1`.\n// @returns {Number} result.lastIndexNew Index of the last common value in `arr2`.\nfunction findChangeBoundaryIndexes( arr1, arr2, cmp ) {\n\t// Find the first difference between passed values.\n\tconst firstIndex = findFirstDifferenceIndex( arr1, arr2, cmp );\n\n\t// If arrays are equal return -1 indexes object.\n\tif ( firstIndex === -1 ) {\n\t\treturn { firstIndex: -1, lastIndexOld: -1, lastIndexNew: -1 };\n\t}\n\n\t// Remove the common part of each value and reverse them to make it simpler to find the last difference between them.\n\tconst oldArrayReversed = cutAndReverse( arr1, firstIndex );\n\tconst newArrayReversed = cutAndReverse( arr2, firstIndex );\n\n\t// Find the first difference between reversed values.\n\t// It should be treated as \"how many elements from the end the last difference occurred\".\n\t//\n\t// For example:\n\t//\n\t// \t\t\t\tinitial\t->\tafter cut\t-> reversed:\n\t// oldValue:\t'321ba'\t->\t'21ba'\t\t-> 'ab12'\n\t// newValue:\t'31xba'\t->\t'1xba'\t\t-> 'abx1'\n\t// lastIndex:\t\t\t\t\t\t\t-> 2\n\t//\n\t// So the last change occurred two characters from the end of the arrays.\n\tconst lastIndex = findFirstDifferenceIndex( oldArrayReversed, newArrayReversed, cmp );\n\n\t// Use `lastIndex` to calculate proper offset, starting from the beginning (`lastIndex` kind of starts from the end).\n\tconst lastIndexOld = arr1.length - lastIndex;\n\tconst lastIndexNew = arr2.length - lastIndex;\n\n\treturn { firstIndex, lastIndexOld, lastIndexNew };\n}\n\n// Returns a first index on which given arrays differ. If both arrays are the same, -1 is returned.\n//\n// @param {Array} arr1\n// @param {Array} arr2\n// @param {Function} cmp Comparator function.\n// @returns {Number}\nfunction findFirstDifferenceIndex( arr1, arr2, cmp ) {\n\tfor ( let i = 0; i < Math.max( arr1.length, arr2.length ); i++ ) {\n\t\tif ( arr1[ i ] === undefined || arr2[ i ] === undefined || !cmp( arr1[ i ], arr2[ i ] ) ) {\n\t\t\treturn i;\n\t\t}\n\t}\n\n\treturn -1; // Return -1 if arrays are equal.\n}\n\n// Returns a copy of the given array with `howMany` elements removed starting from the beginning and in reversed order.\n//\n// @param {Array} arr Array to be processed.\n// @param {Number} howMany How many elements from array beginning to remove.\n// @returns {Array} Shortened and reversed array.\nfunction cutAndReverse( arr, howMany ) {\n\treturn arr.slice( howMany ).reverse();\n}\n\n// Generates changes array based on change indexes from `findChangeBoundaryIndexes` function. This function will\n// generate array with 0 (no changes), 1 (deletion or insertion) or 2 records (insertion and deletion).\n//\n// @param {Array} newArray New array for which change indexes were calculated.\n// @param {Object} changeIndexes Change indexes object from `findChangeBoundaryIndexes` function.\n// @returns {Array.<Object>} Array of changes compatible with {@link module:utils/difftochanges~diffToChanges} format.\nfunction changeIndexesToChanges( newArray, changeIndexes ) {\n\tconst result = [];\n\tconst { firstIndex, lastIndexOld, lastIndexNew } = changeIndexes;\n\n\t// Order operations as 'insert', 'delete' array to keep compatibility with {@link module:utils/difftochanges~diffToChanges}\n\t// in most cases. However, 'diffToChanges' does not stick to any order so in some cases\n\t// (for example replacing '12345' with 'abcd') it will generate 'delete', 'insert' order.\n\tif ( lastIndexNew - firstIndex > 0 ) {\n\t\tresult.push( {\n\t\t\tindex: firstIndex,\n\t\t\ttype: 'insert',\n\t\t\tvalues: newArray.slice( firstIndex, lastIndexNew )\n\t\t} );\n\t}\n\n\tif ( lastIndexOld - firstIndex > 0 ) {\n\t\tresult.push( {\n\t\t\tindex: firstIndex + ( lastIndexNew - firstIndex ), // Increase index of what was inserted.\n\t\t\ttype: 'delete',\n\t\t\thowMany: lastIndexOld - firstIndex\n\t\t} );\n\t}\n\n\treturn result;\n}\n\n// Generates array with set `equal|insert|delete` operations based on change indexes from `findChangeBoundaryIndexes` function.\n//\n// @param {Object} changeIndexes Change indexes object from `findChangeBoundaryIndexes` function.\n// @param {Number} newLength Length of the new array on which `findChangeBoundaryIndexes` calculated change indexes.\n// @returns {Array.<String>} Array of changes compatible with {@link module:utils/diff~diff} format.\nfunction changeIndexesToAtomicChanges( changeIndexes, newLength ) {\n\tconst { firstIndex, lastIndexOld, lastIndexNew } = changeIndexes;\n\n\t// No changes.\n\tif ( firstIndex === -1 ) {\n\t\treturn Array( newLength ).fill( 'equal' );\n\t}\n\n\tlet result = [];\n\tif ( firstIndex > 0 ) {\n\t\tresult = result.concat( Array( firstIndex ).fill( 'equal' ) );\n\t}\n\n\tif ( lastIndexNew - firstIndex > 0 ) {\n\t\tresult = result.concat( Array( lastIndexNew - firstIndex ).fill( 'insert' ) );\n\t}\n\n\tif ( lastIndexOld - firstIndex > 0 ) {\n\t\tresult = result.concat( Array( lastIndexOld - firstIndex ).fill( 'delete' ) );\n\t}\n\n\tif ( lastIndexNew < newLength ) {\n\t\tresult = result.concat( Array( newLength - lastIndexNew ).fill( 'equal' ) );\n\t}\n\n\treturn result;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/diff\n */\n\nimport fastDiff from '../src/fastdiff';\n\n// The following code is based on the \"O(NP) Sequence Comparison Algorithm\"\n// by Sun Wu, Udi Manber, Gene Myers, Webb Miller.\n\n/**\n * Calculates the difference between two arrays or strings producing an array containing a list of changes\n * necessary to transform input into output.\n *\n *\t\tdiff( 'aba', 'acca' ); // [ 'equal', 'insert', 'insert', 'delete', 'equal' ]\n *\n * This function is based on the \"O(NP) Sequence Comparison Algorithm\" by Sun Wu, Udi Manber, Gene Myers, Webb Miller.\n * Unfortunately, while it gives the most precise results, its to complex for longer strings/arrow (above 200 items).\n * Therefore, `diff()` automatically switches to {@link module:utils/fastdiff~fastDiff `fastDiff()`} when detecting\n * such a scenario. The return formats of both functions are identical.\n *\n * @param {Array|String} a Input array or string.\n * @param {Array|String} b Output array or string.\n * @param {Function} [cmp] Optional function used to compare array values, by default === is used.\n * @returns {Array} Array of changes.\n */\nexport default function diff( a, b, cmp ) {\n\t// Set the comparator function.\n\tcmp = cmp || function( a, b ) {\n\t\treturn a === b;\n\t};\n\n\tconst aLength = a.length;\n\tconst bLength = b.length;\n\n\t// Perform `fastDiff` for longer strings/arrays (see #269).\n\tif ( aLength > 200 || bLength > 200 || aLength + bLength > 300 ) {\n\t\treturn diff.fastDiff( a, b, cmp, true );\n\t}\n\n\t// Temporary action type statics.\n\tlet _insert, _delete;\n\n\t// Swapped the arrays to use the shorter one as the first one.\n\tif ( bLength < aLength ) {\n\t\tconst tmp = a;\n\n\t\ta = b;\n\t\tb = tmp;\n\n\t\t// We swap the action types as well.\n\t\t_insert = 'delete';\n\t\t_delete = 'insert';\n\t} else {\n\t\t_insert = 'insert';\n\t\t_delete = 'delete';\n\t}\n\n\tconst m = a.length;\n\tconst n = b.length;\n\tconst delta = n - m;\n\n\t// Edit scripts, for each diagonal.\n\tconst es = {};\n\t// Furthest points, the furthest y we can get on each diagonal.\n\tconst fp = {};\n\n\tfunction snake( k ) {\n\t\t// We use -1 as an alternative below to handle initial values ( instead of filling the fp with -1 first ).\n\t\t// Furthest points (y) on the diagonal below k.\n\t\tconst y1 = ( fp[ k - 1 ] !== undefined ? fp[ k - 1 ] : -1 ) + 1;\n\t\t// Furthest points (y) on the diagonal above k.\n\t\tconst y2 = fp[ k + 1 ] !== undefined ? fp[ k + 1 ] : -1;\n\t\t// The way we should go to get further.\n\t\tconst dir = y1 > y2 ? -1 : 1;\n\n\t\t// Clone previous changes array (if any).\n\t\tif ( es[ k + dir ] ) {\n\t\t\tes[ k ] = es[ k + dir ].slice( 0 );\n\t\t}\n\n\t\t// Create changes array.\n\t\tif ( !es[ k ] ) {\n\t\t\tes[ k ] = [];\n\t\t}\n\n\t\t// Push the action.\n\t\tes[ k ].push( y1 > y2 ? _insert : _delete );\n\n\t\t// Set the beginning coordinates.\n\t\tlet y = Math.max( y1, y2 );\n\t\tlet x = y - k;\n\n\t\t// Traverse the diagonal as long as the values match.\n\t\twhile ( x < m && y < n && cmp( a[ x ], b[ y ] ) ) {\n\t\t\tx++;\n\t\t\ty++;\n\t\t\t// Push no change action.\n\t\t\tes[ k ].push( 'equal' );\n\t\t}\n\n\t\treturn y;\n\t}\n\n\tlet p = 0;\n\tlet k;\n\n\t// Traverse the graph until we reach the end of the longer string.\n\tdo {\n\t\t// Updates furthest points and edit scripts for diagonals below delta.\n\t\tfor ( k = -p; k < delta; k++ ) {\n\t\t\tfp[ k ] = snake( k );\n\t\t}\n\n\t\t// Updates furthest points and edit scripts for diagonals above delta.\n\t\tfor ( k = delta + p; k > delta; k-- ) {\n\t\t\tfp[ k ] = snake( k );\n\t\t}\n\n\t\t// Updates furthest point and edit script for the delta diagonal.\n\t\t// note that the delta diagonal is the one which goes through the sink (m, n).\n\t\tfp[ delta ] = snake( delta );\n\n\t\tp++;\n\t} while ( fp[ delta ] !== n );\n\n\t// Return the final list of edit changes.\n\t// We remove the first item that represents the action for the injected nulls.\n\treturn es[ delta ].slice( 1 );\n}\n\n// Store the API in static property to easily overwrite it in tests.\n// Too bad dependency injection does not work in Webpack + ES 6 (const) + Babel.\ndiff.fastDiff = fastDiff;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/insertat\n */\n\n/**\n * Inserts node to the parent at given index.\n *\n * @param {Element} parentElement Parent element.\n * @param {Number} index Insertions index.\n * @param {Node} nodeToInsert Node to insert.\n */\nexport default function insertAt( parentElement, index, nodeToInsert ) {\n\tparentElement.insertBefore( nodeToInsert, parentElement.childNodes[ index ] || null );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/remove\n */\n\n/**\n * Removes given node from parent.\n *\n * @param {Node} node Node to remove.\n */\nexport default function remove( node ) {\n\tconst parent = node.parentNode;\n\n\tif ( parent ) {\n\t\tparent.removeChild( node );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/isnode\n */\n\n/**\n * Checks if the object is a native DOM Node.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isNode( obj ) {\n\tif ( obj ) {\n\t\tif ( obj.defaultView ) {\n\t\t\treturn obj instanceof obj.defaultView.Document;\n\t\t} else if ( obj.ownerDocument && obj.ownerDocument.defaultView ) {\n\t\t\treturn obj instanceof obj.ownerDocument.defaultView.Node;\n\t\t}\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals Node */\n\n/**\n * @module engine/view/renderer\n */\n\nimport ViewText from './text';\nimport ViewPosition from './position';\nimport { INLINE_FILLER, INLINE_FILLER_LENGTH, startsWithFiller, isInlineFiller } from './filler';\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport diff from '@ckeditor/ckeditor5-utils/src/diff';\nimport insertAt from '@ckeditor/ckeditor5-utils/src/dom/insertat';\nimport remove from '@ckeditor/ckeditor5-utils/src/dom/remove';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport isText from '@ckeditor/ckeditor5-utils/src/dom/istext';\nimport isNode from '@ckeditor/ckeditor5-utils/src/dom/isnode';\nimport fastDiff from '@ckeditor/ckeditor5-utils/src/fastdiff';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\n/**\n * Renderer is responsible for updating the DOM structure and the DOM selection based on\n * the {@link module:engine/view/renderer~Renderer#markToSync information about updated view nodes}.\n * In other words, it renders the view to the DOM.\n *\n * Its main responsibility is to make only the necessary, minimal changes to the DOM. However, unlike in many\n * virtual DOM implementations, the primary reason for doing minimal changes is not the performance but ensuring\n * that native editing features such as text composition, autocompletion, spell checking, selection's x-index are\n * affected as little as possible.\n *\n * Renderer uses {@link module:engine/view/domconverter~DomConverter} to transform view nodes and positions\n * to and from the DOM.\n */\nexport default class Renderer {\n\t/**\n\t * Creates a renderer instance.\n\t *\n\t * @param {module:engine/view/domconverter~DomConverter} domConverter Converter instance.\n\t * @param {module:engine/view/documentselection~DocumentSelection} selection View selection.\n\t */\n\tconstructor( domConverter, selection ) {\n\t\t/**\n\t\t * Set of DOM Documents instances.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set.<Document>}\n\t\t */\n\t\tthis.domDocuments = new Set();\n\n\t\t/**\n\t\t * Converter instance.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/domconverter~DomConverter}\n\t\t */\n\t\tthis.domConverter = domConverter;\n\n\t\t/**\n\t\t * Set of nodes which attributes changed and may need to be rendered.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set.<module:engine/view/node~Node>}\n\t\t */\n\t\tthis.markedAttributes = new Set();\n\n\t\t/**\n\t\t * Set of elements which child lists changed and may need to be rendered.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set.<module:engine/view/node~Node>}\n\t\t */\n\t\tthis.markedChildren = new Set();\n\n\t\t/**\n\t\t * Set of text nodes which text data changed and may need to be rendered.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set.<module:engine/view/node~Node>}\n\t\t */\n\t\tthis.markedTexts = new Set();\n\n\t\t/**\n\t\t * View selection. Renderer updates DOM selection based on the view selection.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/documentselection~DocumentSelection}\n\t\t */\n\t\tthis.selection = selection;\n\n\t\t/**\n\t\t * Indicates if the view document is focused and selection can be rendered. Selection will not be rendered if\n\t\t * this is set to `false`.\n\t\t *\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.isFocused = false;\n\n\t\t/**\n\t\t * The text node in which the inline filler was rendered.\n\t\t *\n\t\t * @private\n\t\t * @member {Text}\n\t\t */\n\t\tthis._inlineFiller = null;\n\n\t\t/**\n\t\t * DOM element containing fake selection.\n\t\t *\n\t\t * @private\n\t\t * @type {null|HTMLElement}\n\t\t */\n\t\tthis._fakeSelectionContainer = null;\n\t}\n\n\t/**\n\t * Marks a view node to be updated in the DOM by {@link #render `render()`}.\n\t *\n\t * Note that only view nodes whose parents have corresponding DOM elements need to be marked to be synchronized.\n\t *\n\t * @see #markedAttributes\n\t * @see #markedChildren\n\t * @see #markedTexts\n\t *\n\t * @param {module:engine/view/document~ChangeType} type Type of the change.\n\t * @param {module:engine/view/node~Node} node Node to be marked.\n\t */\n\tmarkToSync( type, node ) {\n\t\tif ( type === 'text' ) {\n\t\t\tif ( this.domConverter.mapViewToDom( node.parent ) ) {\n\t\t\t\tthis.markedTexts.add( node );\n\t\t\t}\n\t\t} else {\n\t\t\t// If the node has no DOM element it is not rendered yet,\n\t\t\t// its children/attributes do not need to be marked to be sync.\n\t\t\tif ( !this.domConverter.mapViewToDom( node ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( type === 'attributes' ) {\n\t\t\t\tthis.markedAttributes.add( node );\n\t\t\t} else if ( type === 'children' ) {\n\t\t\t\tthis.markedChildren.add( node );\n\t\t\t} else {\n\t\t\t\t/**\n\t\t\t\t * Unknown type passed to Renderer.markToSync.\n\t\t\t\t *\n\t\t\t\t * @error view-renderer-unknown-type\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'view-renderer-unknown-type', this );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Renders all buffered changes ({@link #markedAttributes}, {@link #markedChildren} and {@link #markedTexts}) and\n\t * the current view selection (if needed) to the DOM by applying a minimal set of changes to it.\n\t *\n\t * Renderer tries not to break the text composition (e.g. IME) and x-index of the selection,\n\t * so it does as little as it is needed to update the DOM.\n\t *\n\t * Renderer also handles {@link module:engine/view/filler fillers}. Especially, it checks if the inline filler is needed\n\t * at the selection position and adds or removes it. To prevent breaking text composition inline filler will not be\n\t * removed as long as the selection is in the text node which needed it at first.\n\t */\n\trender() {\n\t\tlet inlineFillerPosition;\n\n\t\t// Refresh mappings.\n\t\tfor ( const element of this.markedChildren ) {\n\t\t\tthis._updateChildrenMappings( element );\n\t\t}\n\n\t\t// There was inline filler rendered in the DOM but it's not\n\t\t// at the selection position any more, so we can remove it\n\t\t// (cause even if it's needed, it must be placed in another location).\n\t\tif ( this._inlineFiller && !this._isSelectionInInlineFiller() ) {\n\t\t\tthis._removeInlineFiller();\n\t\t}\n\n\t\t// If we've got the filler, let's try to guess its position in the view.\n\t\tif ( this._inlineFiller ) {\n\t\t\tinlineFillerPosition = this._getInlineFillerPosition();\n\t\t}\n\t\t// Otherwise, if it's needed, create it at the selection position.\n\t\telse if ( this._needsInlineFillerAtSelection() ) {\n\t\t\tinlineFillerPosition = this.selection.getFirstPosition();\n\n\t\t\t// Do not use `markToSync` so it will be added even if the parent is already added.\n\t\t\tthis.markedChildren.add( inlineFillerPosition.parent );\n\t\t}\n\n\t\tfor ( const element of this.markedAttributes ) {\n\t\t\tthis._updateAttrs( element );\n\t\t}\n\n\t\tfor ( const element of this.markedChildren ) {\n\t\t\tthis._updateChildren( element, { inlineFillerPosition } );\n\t\t}\n\n\t\tfor ( const node of this.markedTexts ) {\n\t\t\tif ( !this.markedChildren.has( node.parent ) && this.domConverter.mapViewToDom( node.parent ) ) {\n\t\t\t\tthis._updateText( node, { inlineFillerPosition } );\n\t\t\t}\n\t\t}\n\n\t\t// Check whether the inline filler is required and where it really is in the DOM.\n\t\t// At this point in most cases it will be in the DOM, but there are exceptions.\n\t\t// For example, if the inline filler was deep in the created DOM structure, it will not be created.\n\t\t// Similarly, if it was removed at the beginning of this function and then neither text nor children were updated,\n\t\t// it will not be present.\n\t\t// Fix those and similar scenarios.\n\t\tif ( inlineFillerPosition ) {\n\t\t\tconst fillerDomPosition = this.domConverter.viewPositionToDom( inlineFillerPosition );\n\t\t\tconst domDocument = fillerDomPosition.parent.ownerDocument;\n\n\t\t\tif ( !startsWithFiller( fillerDomPosition.parent ) ) {\n\t\t\t\t// Filler has not been created at filler position. Create it now.\n\t\t\t\tthis._inlineFiller = addInlineFiller( domDocument, fillerDomPosition.parent, fillerDomPosition.offset );\n\t\t\t} else {\n\t\t\t\t// Filler has been found, save it.\n\t\t\t\tthis._inlineFiller = fillerDomPosition.parent;\n\t\t\t}\n\t\t} else {\n\t\t\t// There is no filler needed.\n\t\t\tthis._inlineFiller = null;\n\t\t}\n\n\t\tthis._updateSelection();\n\t\tthis._updateFocus();\n\n\t\tthis.markedTexts.clear();\n\t\tthis.markedAttributes.clear();\n\t\tthis.markedChildren.clear();\n\t}\n\n\t/**\n\t * Updates mappings of view element's children.\n\t *\n\t * Children that were replaced in the view structure by similar elements (same tag name) are treated as 'replaced'.\n\t * This means that their mappings can be updated so the new view elements are mapped to the existing DOM elements.\n\t * Thanks to that these elements do not need to be re-rendered completely.\n\t *\n\t * @private\n\t * @param {module:engine/view/node~Node} viewElement The view element whose children mappings will be updated.\n\t */\n\t_updateChildrenMappings( viewElement ) {\n\t\tconst domElement = this.domConverter.mapViewToDom( viewElement );\n\n\t\tif ( !domElement ) {\n\t\t\t// If there is no `domElement` it means that it was already removed from DOM and there is no need to process it.\n\t\t\treturn;\n\t\t}\n\n\t\tconst actualDomChildren = this.domConverter.mapViewToDom( viewElement ).childNodes;\n\t\tconst expectedDomChildren = Array.from(\n\t\t\tthis.domConverter.viewChildrenToDom( viewElement, domElement.ownerDocument, { withChildren: false } )\n\t\t);\n\t\tconst diff = this._diffNodeLists( actualDomChildren, expectedDomChildren );\n\t\tconst actions = this._findReplaceActions( diff, actualDomChildren, expectedDomChildren );\n\n\t\tif ( actions.indexOf( 'replace' ) !== -1 ) {\n\t\t\tconst counter = { equal: 0, insert: 0, delete: 0 };\n\n\t\t\tfor ( const action of actions ) {\n\t\t\t\tif ( action === 'replace' ) {\n\t\t\t\t\tconst insertIndex = counter.equal + counter.insert;\n\t\t\t\t\tconst deleteIndex = counter.equal + counter.delete;\n\t\t\t\t\tconst viewChild = viewElement.getChild( insertIndex );\n\n\t\t\t\t\t// UIElement and RawElement are special cases. Their children are not stored in a view (#799)\n\t\t\t\t\t// so we cannot use them with replacing flow (since they use view children during rendering\n\t\t\t\t\t// which will always result in rendering empty elements).\n\t\t\t\t\tif ( viewChild && !( viewChild.is( 'uiElement' ) || viewChild.is( 'rawElement' ) ) ) {\n\t\t\t\t\t\tthis._updateElementMappings( viewChild, actualDomChildren[ deleteIndex ] );\n\t\t\t\t\t}\n\n\t\t\t\t\tremove( expectedDomChildren[ insertIndex ] );\n\t\t\t\t\tcounter.equal++;\n\t\t\t\t} else {\n\t\t\t\t\tcounter[ action ]++;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Updates mappings of a given view element.\n\t *\n\t * @private\n\t * @param {module:engine/view/node~Node} viewElement The view element whose mappings will be updated.\n\t * @param {Node} domElement The DOM element representing the given view element.\n\t */\n\t_updateElementMappings( viewElement, domElement ) {\n\t\t// Remap 'DomConverter' bindings.\n\t\tthis.domConverter.unbindDomElement( domElement );\n\t\tthis.domConverter.bindElements( domElement, viewElement );\n\n\t\t// View element may have children which needs to be updated, but are not marked, mark them to update.\n\t\tthis.markedChildren.add( viewElement );\n\n\t\t// Because we replace new view element mapping with the existing one, the corresponding DOM element\n\t\t// will not be rerendered. The new view element may have different attributes than the previous one.\n\t\t// Since its corresponding DOM element will not be rerendered, new attributes will not be added\n\t\t// to the DOM, so we need to mark it here to make sure its attributes gets updated. See #1427 for more\n\t\t// detailed case study.\n\t\t// Also there are cases where replaced element is removed from the view structure and then has\n\t\t// its attributes changed or removed. In such cases the element will not be present in `markedAttributes`\n\t\t// and also may be the same (`element.isSimilar()`) as the reused element not having its attributes updated.\n\t\t// To prevent such situations we always mark reused element to have its attributes rerenderd (#1560).\n\t\tthis.markedAttributes.add( viewElement );\n\t}\n\n\t/**\n\t * Gets the position of the inline filler based on the current selection.\n\t * Here, we assume that we know that the filler is needed and\n\t * {@link #_isSelectionInInlineFiller is at the selection position}, and, since it is needed,\n\t * it is somewhere at the selection position.\n\t *\n\t * Note: The filler position cannot be restored based on the filler's DOM text node, because\n\t * when this method is called (before rendering), the bindings will often be broken. View-to-DOM\n\t * bindings are only dependable after rendering.\n\t *\n\t * @private\n\t * @returns {module:engine/view/position~Position}\n\t */\n\t_getInlineFillerPosition() {\n\t\tconst firstPos = this.selection.getFirstPosition();\n\n\t\tif ( firstPos.parent.is( '$text' ) ) {\n\t\t\treturn ViewPosition._createBefore( this.selection.getFirstPosition().parent );\n\t\t} else {\n\t\t\treturn firstPos;\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` if the selection has not left the inline filler's text node.\n\t * If it is `true`, it means that the filler had been added for a reason and the selection did not\n\t * leave the filler's text node. For example, the user can be in the middle of a composition so it should not be touched.\n\t *\n\t * @private\n\t * @returns {Boolean} `true` if the inline filler and selection are in the same place.\n\t */\n\t_isSelectionInInlineFiller() {\n\t\tif ( this.selection.rangeCount != 1 || !this.selection.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Note, we can't check if selection's position equals position of the\n\t\t// this._inlineFiller node, because of #663. We may not be able to calculate\n\t\t// the filler's position in the view at this stage.\n\t\t// Instead, we check it the other way – whether selection is anchored in\n\t\t// that text node or next to it.\n\n\t\t// Possible options are:\n\t\t// \"FILLER{}\"\n\t\t// \"FILLERadded-text{}\"\n\t\tconst selectionPosition = this.selection.getFirstPosition();\n\t\tconst position = this.domConverter.viewPositionToDom( selectionPosition );\n\n\t\tif ( position && isText( position.parent ) && startsWithFiller( position.parent ) ) {\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Removes the inline filler.\n\t *\n\t * @private\n\t */\n\t_removeInlineFiller() {\n\t\tconst domFillerNode = this._inlineFiller;\n\n\t\t// Something weird happened and the stored node doesn't contain the filler's text.\n\t\tif ( !startsWithFiller( domFillerNode ) ) {\n\t\t\t/**\n\t\t\t * The inline filler node was lost. Most likely, something overwrote the filler text node\n\t\t\t * in the DOM.\n\t\t\t *\n\t\t\t * @error view-renderer-filler-was-lost\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-renderer-filler-was-lost', this );\n\t\t}\n\n\t\tif ( isInlineFiller( domFillerNode ) ) {\n\t\t\tdomFillerNode.parentNode.removeChild( domFillerNode );\n\t\t} else {\n\t\t\tdomFillerNode.data = domFillerNode.data.substr( INLINE_FILLER_LENGTH );\n\t\t}\n\n\t\tthis._inlineFiller = null;\n\t}\n\n\t/**\n\t * Checks if the inline {@link module:engine/view/filler filler} should be added.\n\t *\n\t * @private\n\t * @returns {Boolean} `true` if the inline filler should be added.\n\t */\n\t_needsInlineFillerAtSelection() {\n\t\tif ( this.selection.rangeCount != 1 || !this.selection.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst selectionPosition = this.selection.getFirstPosition();\n\t\tconst selectionParent = selectionPosition.parent;\n\t\tconst selectionOffset = selectionPosition.offset;\n\n\t\t// If there is no DOM root we do not care about fillers.\n\t\tif ( !this.domConverter.mapViewToDom( selectionParent.root ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( !( selectionParent.is( 'element' ) ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Prevent adding inline filler inside elements with contenteditable=false.\n\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/1170\n\t\tif ( !isEditable( selectionParent ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// We have block filler, we do not need inline one.\n\t\tif ( selectionOffset === selectionParent.getFillerOffset() ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst nodeBefore = selectionPosition.nodeBefore;\n\t\tconst nodeAfter = selectionPosition.nodeAfter;\n\n\t\tif ( nodeBefore instanceof ViewText || nodeAfter instanceof ViewText ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Checks if text needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t * @param {module:engine/view/text~Text} viewText View text to update.\n\t * @param {Object} options\n\t * @param {module:engine/view/position~Position} options.inlineFillerPosition The position where the inline\n\t * filler should be rendered.\n\t */\n\t_updateText( viewText, options ) {\n\t\tconst domText = this.domConverter.findCorrespondingDomText( viewText );\n\t\tconst newDomText = this.domConverter.viewToDom( viewText, domText.ownerDocument );\n\n\t\tconst actualText = domText.data;\n\t\tlet expectedText = newDomText.data;\n\n\t\tconst filler = options.inlineFillerPosition;\n\n\t\tif ( filler && filler.parent == viewText.parent && filler.offset == viewText.index ) {\n\t\t\texpectedText = INLINE_FILLER + expectedText;\n\t\t}\n\n\t\tif ( actualText != expectedText ) {\n\t\t\tconst actions = fastDiff( actualText, expectedText );\n\n\t\t\tfor ( const action of actions ) {\n\t\t\t\tif ( action.type === 'insert' ) {\n\t\t\t\t\tdomText.insertData( action.index, action.values.join( '' ) );\n\t\t\t\t} else { // 'delete'\n\t\t\t\t\tdomText.deleteData( action.index, action.howMany );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks if attribute list needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} viewElement The view element to update.\n\t */\n\t_updateAttrs( viewElement ) {\n\t\tconst domElement = this.domConverter.mapViewToDom( viewElement );\n\n\t\tif ( !domElement ) {\n\t\t\t// If there is no `domElement` it means that 'viewElement' is outdated as its mapping was updated\n\t\t\t// in 'this._updateChildrenMappings()'. There is no need to process it as new view element which\n\t\t\t// replaced old 'viewElement' mapping was also added to 'this.markedAttributes'\n\t\t\t// in 'this._updateChildrenMappings()' so it will be processed separately.\n\t\t\treturn;\n\t\t}\n\n\t\tconst domAttrKeys = Array.from( domElement.attributes ).map( attr => attr.name );\n\t\tconst viewAttrKeys = viewElement.getAttributeKeys();\n\n\t\t// Add or overwrite attributes.\n\t\tfor ( const key of viewAttrKeys ) {\n\t\t\tdomElement.setAttribute( key, viewElement.getAttribute( key ) );\n\t\t}\n\n\t\t// Remove from DOM attributes which do not exists in the view.\n\t\tfor ( const key of domAttrKeys ) {\n\t\t\tif ( !viewElement.hasAttribute( key ) ) {\n\t\t\t\tdomElement.removeAttribute( key );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks if elements child list needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} viewElement View element to update.\n\t * @param {Object} options\n\t * @param {module:engine/view/position~Position} options.inlineFillerPosition The position where the inline\n\t * filler should be rendered.\n\t */\n\t_updateChildren( viewElement, options ) {\n\t\tconst domElement = this.domConverter.mapViewToDom( viewElement );\n\n\t\tif ( !domElement ) {\n\t\t\t// If there is no `domElement` it means that it was already removed from DOM.\n\t\t\t// There is no need to process it. It will be processed when re-inserted.\n\t\t\treturn;\n\t\t}\n\n\t\tconst inlineFillerPosition = options.inlineFillerPosition;\n\t\tconst actualDomChildren = this.domConverter.mapViewToDom( viewElement ).childNodes;\n\t\tconst expectedDomChildren = Array.from(\n\t\t\tthis.domConverter.viewChildrenToDom( viewElement, domElement.ownerDocument, { bind: true, inlineFillerPosition } )\n\t\t);\n\n\t\t// Inline filler element has to be created as it is present in the DOM, but not in the view. It is required\n\t\t// during diffing so text nodes could be compared correctly and also during rendering to maintain\n\t\t// proper order and indexes while updating the DOM.\n\t\tif ( inlineFillerPosition && inlineFillerPosition.parent === viewElement ) {\n\t\t\taddInlineFiller( domElement.ownerDocument, expectedDomChildren, inlineFillerPosition.offset );\n\t\t}\n\n\t\tconst diff = this._diffNodeLists( actualDomChildren, expectedDomChildren );\n\n\t\tlet i = 0;\n\t\tconst nodesToUnbind = new Set();\n\n\t\t// Handle deletions first.\n\t\t// This is to prevent a situation where an element that already exists in `actualDomChildren` is inserted at a different\n\t\t// index in `actualDomChildren`. Since `actualDomChildren` is a `NodeList`, this works like move, not like an insert,\n\t\t// and it disrupts the whole algorithm. See https://github.com/ckeditor/ckeditor5/issues/6367.\n\t\t//\n\t\t// It doesn't matter in what order we remove or add nodes, as long as we remove and add correct nodes at correct indexes.\n\t\tfor ( const action of diff ) {\n\t\t\tif ( action === 'delete' ) {\n\t\t\t\tnodesToUnbind.add( actualDomChildren[ i ] );\n\t\t\t\tremove( actualDomChildren[ i ] );\n\t\t\t} else if ( action === 'equal' ) {\n\t\t\t\ti++;\n\t\t\t}\n\t\t}\n\n\t\ti = 0;\n\n\t\tfor ( const action of diff ) {\n\t\t\tif ( action === 'insert' ) {\n\t\t\t\tinsertAt( domElement, i, expectedDomChildren[ i ] );\n\t\t\t\ti++;\n\t\t\t} else if ( action === 'equal' ) {\n\t\t\t\t// Force updating text nodes inside elements which did not change and do not need to be re-rendered (#1125).\n\t\t\t\t// Do it here (not in the loop above) because only after insertions the `i` index is correct.\n\t\t\t\tthis._markDescendantTextToSync( this.domConverter.domToView( expectedDomChildren[ i ] ) );\n\t\t\t\ti++;\n\t\t\t}\n\t\t}\n\n\t\t// Unbind removed nodes. When node does not have a parent it means that it was removed from DOM tree during\n\t\t// comparison with the expected DOM. We don't need to check child nodes, because if child node was reinserted,\n\t\t// it was moved to DOM tree out of the removed node.\n\t\tfor ( const node of nodesToUnbind ) {\n\t\t\tif ( !node.parentNode ) {\n\t\t\t\tthis.domConverter.unbindDomElement( node );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Shorthand for diffing two arrays or node lists of DOM nodes.\n\t *\n\t * @private\n\t * @param {Array.<Node>|NodeList} actualDomChildren Actual DOM children\n\t * @param {Array.<Node>|NodeList} expectedDomChildren Expected DOM children.\n\t * @returns {Array.<String>} The list of actions based on the {@link module:utils/diff~diff} function.\n\t */\n\t_diffNodeLists( actualDomChildren, expectedDomChildren ) {\n\t\tactualDomChildren = filterOutFakeSelectionContainer( actualDomChildren, this._fakeSelectionContainer );\n\n\t\treturn diff( actualDomChildren, expectedDomChildren, sameNodes.bind( null, this.domConverter ) );\n\t}\n\n\t/**\n\t * Finds DOM nodes that were replaced with the similar nodes (same tag name) in the view. All nodes are compared\n\t * within one `insert`/`delete` action group, for example:\n\t *\n\t * \t\tActual DOM:\t\t<p><b>Foo</b>Bar<i>Baz</i><b>Bax</b></p>\n\t * \t\tExpected DOM:\t<p>Bar<b>123</b><i>Baz</i><b>456</b></p>\n\t * \t\tInput actions:\t[ insert, insert, delete, delete, equal, insert, delete ]\n\t * \t\tOutput actions:\t[ insert, replace, delete, equal, replace ]\n\t *\n\t * @private\n\t * @param {Array.<String>} actions Actions array which is a result of the {@link module:utils/diff~diff} function.\n\t * @param {Array.<Node>|NodeList} actualDom Actual DOM children\n\t * @param {Array.<Node>} expectedDom Expected DOM children.\n\t * @returns {Array.<String>} Actions array modified with the `replace` actions.\n\t */\n\t_findReplaceActions( actions, actualDom, expectedDom ) {\n\t\t// If there is no both 'insert' and 'delete' actions, no need to check for replaced elements.\n\t\tif ( actions.indexOf( 'insert' ) === -1 || actions.indexOf( 'delete' ) === -1 ) {\n\t\t\treturn actions;\n\t\t}\n\n\t\tlet newActions = [];\n\t\tlet actualSlice = [];\n\t\tlet expectedSlice = [];\n\n\t\tconst counter = { equal: 0, insert: 0, delete: 0 };\n\n\t\tfor ( const action of actions ) {\n\t\t\tif ( action === 'insert' ) {\n\t\t\t\texpectedSlice.push( expectedDom[ counter.equal + counter.insert ] );\n\t\t\t} else if ( action === 'delete' ) {\n\t\t\t\tactualSlice.push( actualDom[ counter.equal + counter.delete ] );\n\t\t\t} else { // equal\n\t\t\t\tnewActions = newActions.concat( diff( actualSlice, expectedSlice, areSimilar ).map( x => x === 'equal' ? 'replace' : x ) );\n\t\t\t\tnewActions.push( 'equal' );\n\t\t\t\t// Reset stored elements on 'equal'.\n\t\t\t\tactualSlice = [];\n\t\t\t\texpectedSlice = [];\n\t\t\t}\n\t\t\tcounter[ action ]++;\n\t\t}\n\n\t\treturn newActions.concat( diff( actualSlice, expectedSlice, areSimilar ).map( x => x === 'equal' ? 'replace' : x ) );\n\t}\n\n\t/**\n\t * Marks text nodes to be synchronized.\n\t *\n\t * If a text node is passed, it will be marked. If an element is passed, all descendant text nodes inside it will be marked.\n\t *\n\t * @private\n\t * @param {module:engine/view/node~Node} viewNode View node to sync.\n\t */\n\t_markDescendantTextToSync( viewNode ) {\n\t\tif ( !viewNode ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( viewNode.is( '$text' ) ) {\n\t\t\tthis.markedTexts.add( viewNode );\n\t\t} else if ( viewNode.is( 'element' ) ) {\n\t\t\tfor ( const child of viewNode.getChildren() ) {\n\t\t\t\tthis._markDescendantTextToSync( child );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks if the selection needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t */\n\t_updateSelection() {\n\t\t// If there is no selection - remove DOM and fake selections.\n\t\tif ( this.selection.rangeCount === 0 ) {\n\t\t\tthis._removeDomSelection();\n\t\t\tthis._removeFakeSelection();\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst domRoot = this.domConverter.mapViewToDom( this.selection.editableElement );\n\n\t\t// Do nothing if there is no focus, or there is no DOM element corresponding to selection's editable element.\n\t\tif ( !this.isFocused || !domRoot ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Render selection.\n\t\tif ( this.selection.isFake ) {\n\t\t\tthis._updateFakeSelection( domRoot );\n\t\t} else {\n\t\t\tthis._removeFakeSelection();\n\t\t\tthis._updateDomSelection( domRoot );\n\t\t}\n\t}\n\n\t/**\n\t * Updates the fake selection.\n\t *\n\t * @private\n\t * @param {HTMLElement} domRoot A valid DOM root where the fake selection container should be added.\n\t */\n\t_updateFakeSelection( domRoot ) {\n\t\tconst domDocument = domRoot.ownerDocument;\n\n\t\tif ( !this._fakeSelectionContainer ) {\n\t\t\tthis._fakeSelectionContainer = createFakeSelectionContainer( domDocument );\n\t\t}\n\n\t\tconst container = this._fakeSelectionContainer;\n\n\t\t// Bind fake selection container with the current selection *position*.\n\t\tthis.domConverter.bindFakeSelection( container, this.selection );\n\n\t\tif ( !this._fakeSelectionNeedsUpdate( domRoot ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !container.parentElement || container.parentElement != domRoot ) {\n\t\t\tdomRoot.appendChild( container );\n\t\t}\n\n\t\tcontainer.textContent = this.selection.fakeSelectionLabel || '\\u00A0';\n\n\t\tconst domSelection = domDocument.getSelection();\n\t\tconst domRange = domDocument.createRange();\n\n\t\tdomSelection.removeAllRanges();\n\t\tdomRange.selectNodeContents( container );\n\t\tdomSelection.addRange( domRange );\n\t}\n\n\t/**\n\t * Updates the DOM selection.\n\t *\n\t * @private\n\t * @param {HTMLElement} domRoot A valid DOM root where the DOM selection should be rendered.\n\t */\n\t_updateDomSelection( domRoot ) {\n\t\tconst domSelection = domRoot.ownerDocument.defaultView.getSelection();\n\n\t\t// Let's check whether DOM selection needs updating at all.\n\t\tif ( !this._domSelectionNeedsUpdate( domSelection ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Multi-range selection is not available in most browsers, and, at least in Chrome, trying to\n\t\t// set such selection, that is not continuous, throws an error. Because of that, we will just use anchor\n\t\t// and focus of view selection.\n\t\t// Since we are not supporting multi-range selection, we also do not need to check if proper editable is\n\t\t// selected. If there is any editable selected, it is okay (editable is taken from selection anchor).\n\t\tconst anchor = this.domConverter.viewPositionToDom( this.selection.anchor );\n\t\tconst focus = this.domConverter.viewPositionToDom( this.selection.focus );\n\n\t\t// Focus the new editing host.\n\t\t// Otherwise, FF may throw an error (https://github.com/ckeditor/ckeditor5/issues/721).\n\t\tdomRoot.focus();\n\n\t\tdomSelection.collapse( anchor.parent, anchor.offset );\n\t\tdomSelection.extend( focus.parent, focus.offset );\n\n\t\t// Firefox–specific hack (https://github.com/ckeditor/ckeditor5-engine/issues/1439).\n\t\tif ( env.isGecko ) {\n\t\t\tfixGeckoSelectionAfterBr( focus, domSelection );\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether a given DOM selection needs to be updated.\n\t *\n\t * @private\n\t * @param {Selection} domSelection The DOM selection to check.\n\t * @returns {Boolean}\n\t */\n\t_domSelectionNeedsUpdate( domSelection ) {\n\t\tif ( !this.domConverter.isDomSelectionCorrect( domSelection ) ) {\n\t\t\t// Current DOM selection is in incorrect position. We need to update it.\n\t\t\treturn true;\n\t\t}\n\n\t\tconst oldViewSelection = domSelection && this.domConverter.domSelectionToView( domSelection );\n\n\t\tif ( oldViewSelection && this.selection.isEqual( oldViewSelection ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// If selection is not collapsed, it does not need to be updated if it is similar.\n\t\tif ( !this.selection.isCollapsed && this.selection.isSimilar( oldViewSelection ) ) {\n\t\t\t// Selection did not changed and is correct, do not update.\n\t\t\treturn false;\n\t\t}\n\n\t\t// Selections are not similar.\n\t\treturn true;\n\t}\n\n\t/**\n\t * Checks whether the fake selection needs to be updated.\n\t *\n\t * @private\n\t * @param {HTMLElement} domRoot A valid DOM root where a new fake selection container should be added.\n\t * @returns {Boolean}\n\t */\n\t_fakeSelectionNeedsUpdate( domRoot ) {\n\t\tconst container = this._fakeSelectionContainer;\n\t\tconst domSelection = domRoot.ownerDocument.getSelection();\n\n\t\t// Fake selection needs to be updated if there's no fake selection container, or the container currently sits\n\t\t// in a different root.\n\t\tif ( !container || container.parentElement !== domRoot ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Make sure that the selection actually is within the fake selection.\n\t\tif ( domSelection.anchorNode !== container && !container.contains( domSelection.anchorNode ) ) {\n\t\t\treturn true;\n\t\t}\n\n\t\treturn container.textContent !== this.selection.fakeSelectionLabel;\n\t}\n\n\t/**\n\t * Removes the DOM selection.\n\t *\n\t * @private\n\t */\n\t_removeDomSelection() {\n\t\tfor ( const doc of this.domDocuments ) {\n\t\t\tconst domSelection = doc.getSelection();\n\n\t\t\tif ( domSelection.rangeCount ) {\n\t\t\t\tconst activeDomElement = doc.activeElement;\n\t\t\t\tconst viewElement = this.domConverter.mapDomToView( activeDomElement );\n\n\t\t\t\tif ( activeDomElement && viewElement ) {\n\t\t\t\t\tdoc.getSelection().removeAllRanges();\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Removes the fake selection.\n\t *\n\t * @private\n\t */\n\t_removeFakeSelection() {\n\t\tconst container = this._fakeSelectionContainer;\n\n\t\tif ( container ) {\n\t\t\tcontainer.remove();\n\t\t}\n\t}\n\n\t/**\n\t * Checks if focus needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t */\n\t_updateFocus() {\n\t\tif ( this.isFocused ) {\n\t\t\tconst editable = this.selection.editableElement;\n\n\t\t\tif ( editable ) {\n\t\t\t\tthis.domConverter.focus( editable );\n\t\t\t}\n\t\t}\n\t}\n}\n\nmix( Renderer, ObservableMixin );\n\n// Checks if provided element is editable.\n//\n// @private\n// @param {module:engine/view/element~Element} element\n// @returns {Boolean}\nfunction isEditable( element ) {\n\tif ( element.getAttribute( 'contenteditable' ) == 'false' ) {\n\t\treturn false;\n\t}\n\n\tconst parent = element.findAncestor( element => element.hasAttribute( 'contenteditable' ) );\n\n\treturn !parent || parent.getAttribute( 'contenteditable' ) == 'true';\n}\n\n// Adds inline filler at a given position.\n//\n// The position can be given as an array of DOM nodes and an offset in that array,\n// or a DOM parent element and an offset in that element.\n//\n// @private\n// @param {Document} domDocument\n// @param {Element|Array.<Node>} domParentOrArray\n// @param {Number} offset\n// @returns {Text} The DOM text node that contains an inline filler.\nfunction addInlineFiller( domDocument, domParentOrArray, offset ) {\n\tconst childNodes = domParentOrArray instanceof Array ? domParentOrArray : domParentOrArray.childNodes;\n\tconst nodeAfterFiller = childNodes[ offset ];\n\n\tif ( isText( nodeAfterFiller ) ) {\n\t\tnodeAfterFiller.data = INLINE_FILLER + nodeAfterFiller.data;\n\n\t\treturn nodeAfterFiller;\n\t} else {\n\t\tconst fillerNode = domDocument.createTextNode( INLINE_FILLER );\n\n\t\tif ( Array.isArray( domParentOrArray ) ) {\n\t\t\tchildNodes.splice( offset, 0, fillerNode );\n\t\t} else {\n\t\t\tinsertAt( domParentOrArray, offset, fillerNode );\n\t\t}\n\n\t\treturn fillerNode;\n\t}\n}\n\n// Whether two DOM nodes should be considered as similar.\n// Nodes are considered similar if they have the same tag name.\n//\n// @private\n// @param {Node} node1\n// @param {Node} node2\n// @returns {Boolean}\nfunction areSimilar( node1, node2 ) {\n\treturn isNode( node1 ) && isNode( node2 ) &&\n\t\t!isText( node1 ) && !isText( node2 ) &&\n\t\tnode1.nodeType !== Node.COMMENT_NODE && node2.nodeType !== Node.COMMENT_NODE &&\n\t\tnode1.tagName.toLowerCase() === node2.tagName.toLowerCase();\n}\n\n// Whether two dom nodes should be considered as the same.\n// Two nodes which are considered the same are:\n//\n//\t\t* Text nodes with the same text.\n//\t\t* Element nodes represented by the same object.\n//\t\t* Two block filler elements.\n//\n// @private\n// @param {String} blockFillerMode Block filler mode, see {@link module:engine/view/domconverter~DomConverter#blockFillerMode}.\n// @param {Node} node1\n// @param {Node} node2\n// @returns {Boolean}\nfunction sameNodes( domConverter, actualDomChild, expectedDomChild ) {\n\t// Elements.\n\tif ( actualDomChild === expectedDomChild ) {\n\t\treturn true;\n\t}\n\t// Texts.\n\telse if ( isText( actualDomChild ) && isText( expectedDomChild ) ) {\n\t\treturn actualDomChild.data === expectedDomChild.data;\n\t}\n\t// Block fillers.\n\telse if ( domConverter.isBlockFiller( actualDomChild ) &&\n\t\tdomConverter.isBlockFiller( expectedDomChild ) ) {\n\t\treturn true;\n\t}\n\n\t// Not matching types.\n\treturn false;\n}\n\n// The following is a Firefox–specific hack (https://github.com/ckeditor/ckeditor5-engine/issues/1439).\n// When the native DOM selection is at the end of the block and preceded by <br /> e.g.\n//\n//\t\t<p>foo<br/>[]</p>\n//\n// which happens a lot when using the soft line break, the browser fails to (visually) move the\n// caret to the new line. A quick fix is as simple as force–refreshing the selection with the same range.\nfunction fixGeckoSelectionAfterBr( focus, domSelection ) {\n\tconst parent = focus.parent;\n\n\t// This fix works only when the focus point is at the very end of an element.\n\t// There is no point in running it in cases unrelated to the browser bug.\n\tif ( parent.nodeType != Node.ELEMENT_NODE || focus.offset != parent.childNodes.length - 1 ) {\n\t\treturn;\n\t}\n\n\tconst childAtOffset = parent.childNodes[ focus.offset ];\n\n\t// To stay on the safe side, the fix being as specific as possible, it targets only the\n\t// selection which is at the very end of the element and preceded by <br />.\n\tif ( childAtOffset && childAtOffset.tagName == 'BR' ) {\n\t\tdomSelection.addRange( domSelection.getRangeAt( 0 ) );\n\t}\n}\n\nfunction filterOutFakeSelectionContainer( domChildList, fakeSelectionContainer ) {\n\tconst childList = Array.from( domChildList );\n\n\tif ( childList.length == 0 || !fakeSelectionContainer ) {\n\t\treturn childList;\n\t}\n\n\tconst last = childList[ childList.length - 1 ];\n\n\tif ( last == fakeSelectionContainer ) {\n\t\tchildList.pop();\n\t}\n\n\treturn childList;\n}\n\n// Creates a fake selection container for a given document.\n//\n// @private\n// @param {Document} domDocument\n// @returns {HTMLElement}\nfunction createFakeSelectionContainer( domDocument ) {\n\tconst container = domDocument.createElement( 'div' );\n\n\tcontainer.className = 'ck-fake-selection-container';\n\n\tObject.assign( container.style, {\n\t\tposition: 'fixed',\n\t\ttop: 0,\n\t\tleft: '-9999px',\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/752.\n\t\twidth: '42px'\n\t} );\n\n\t// Fill it with a text node so we can update it later.\n\tcontainer.textContent = '\\u00A0';\n\n\treturn container;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals window, document */\n\n/**\n * @module utils/dom/global\n */\n\n/**\n * A helper (module) giving an access to the global DOM objects such as `window` and\n * `document`. Accessing these objects using this helper allows easy and bulletproof\n * testing, i.e. stubbing native properties:\n *\n *\t\timport global from 'ckeditor5/utils/dom/global.js';\n *\n *\t\t// This stub will work for any code using global module.\n *\t\ttestUtils.sinon.stub( global, 'window', {\n *\t\t\tinnerWidth: 10000\n *\t\t} );\n *\n *\t\tconsole.log( global.window.innerWidth );\n */\nexport default { window, document };\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/indexof\n */\n\n/**\n * Returns index of the node in the parent element.\n *\n * @param {Node} node Node which index is tested.\n * @returns {Number} Index of the node in the parent element. Returns 0 if node has no parent.\n */\nexport default function indexOf( node ) {\n\tlet index = 0;\n\n\twhile ( node.previousSibling ) {\n\t\tnode = node.previousSibling;\n\t\tindex++;\n\t}\n\n\treturn index;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals Node */\n\n/**\n * @module utils/dom/getancestors\n */\n\n/**\n * Returns all ancestors of given DOM node, starting from the top-most (root). Includes the given node itself. If the\n * node is a part of `DocumentFragment` that `DocumentFragment` will be returned. In contrary, if the node is\n * appended to a `Document`, that `Document` will not be returned (algorithms operating on DOM tree care for `Document#documentElement`\n * at most, which will be returned).\n *\n * @param {Node} node DOM node.\n * @returns {Array.<Node|DocumentFragment>} Array of given `node` parents.\n */\nexport default function getAncestors( node ) {\n\tconst nodes = [];\n\n\t// We are interested in `Node`s `DocumentFragment`s only.\n\twhile ( node && node.nodeType != Node.DOCUMENT_NODE ) {\n\t\tnodes.unshift( node );\n\t\tnode = node.parentNode;\n\t}\n\n\treturn nodes;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/domconverter\n */\n\n/* globals document, Node, NodeFilter, Text */\n\nimport ViewText from './text';\nimport ViewElement from './element';\nimport ViewPosition from './position';\nimport ViewRange from './range';\nimport ViewSelection from './selection';\nimport ViewDocumentFragment from './documentfragment';\nimport ViewTreeWalker from './treewalker';\nimport Matcher from './matcher';\nimport { BR_FILLER, getDataWithoutFiller, INLINE_FILLER_LENGTH, isInlineFiller, NBSP_FILLER, startsWithFiller } from './filler';\n\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport indexOf from '@ckeditor/ckeditor5-utils/src/dom/indexof';\nimport getAncestors from '@ckeditor/ckeditor5-utils/src/dom/getancestors';\nimport getCommonAncestor from '@ckeditor/ckeditor5-utils/src/dom/getcommonancestor';\nimport isText from '@ckeditor/ckeditor5-utils/src/dom/istext';\nimport { isElement } from 'lodash-es';\n\n// eslint-disable-next-line new-cap\nconst BR_FILLER_REF = BR_FILLER( document );\n\n/**\n * `DomConverter` is a set of tools to do transformations between DOM nodes and view nodes. It also handles\n * {@link module:engine/view/domconverter~DomConverter#bindElements bindings} between these nodes.\n *\n * An instance of the DOM converter is available under\n * {@link module:engine/view/view~View#domConverter `editor.editing.view.domConverter`}.\n *\n * The DOM converter does not check which nodes should be rendered (use {@link module:engine/view/renderer~Renderer}), does not keep the\n * state of a tree nor keeps the synchronization between the tree view and the DOM tree (use {@link module:engine/view/document~Document}).\n *\n * The DOM converter keeps DOM elements to view element bindings, so when the converter gets destroyed, the bindings are lost.\n * Two converters will keep separate binding maps, so one tree view can be bound with two DOM trees.\n */\nexport default class DomConverter {\n\t/**\n\t * Creates a DOM converter.\n\t *\n\t * @param {module:engine/view/document~Document} document The view document instance.\n\t * @param {Object} options An object with configuration options.\n\t * @param {module:engine/view/filler~BlockFillerMode} [options.blockFillerMode='br'] The type of the block filler to use.\n\t */\n\tconstructor( document, options = {} ) {\n\t\t/**\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\n\t\t/**\n\t\t * The mode of a block filler used by the DOM converter.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'br'|'nbsp'} module:engine/view/domconverter~DomConverter#blockFillerMode\n\t\t */\n\t\tthis.blockFillerMode = options.blockFillerMode || 'br';\n\n\t\t/**\n\t\t * Elements which are considered pre-formatted elements.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<String>} module:engine/view/domconverter~DomConverter#preElements\n\t\t */\n\t\tthis.preElements = [ 'pre' ];\n\n\t\t/**\n\t\t * Elements which are considered block elements (and hence should be filled with a\n\t\t * {@link #isBlockFiller block filler}).\n\t\t *\n\t\t * Whether an element is considered a block element also affects handling of trailing whitespaces.\n\t\t *\n\t\t * You can extend this array if you introduce support for block elements which are not yet recognized here.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<String>} module:engine/view/domconverter~DomConverter#blockElements\n\t\t */\n\t\tthis.blockElements = [ 'p', 'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'li', 'dd', 'dt', 'figcaption', 'td', 'th' ];\n\n\t\t/**\n\t\t * Block {@link module:engine/view/filler filler} creator, which is used to create all block fillers during the\n\t\t * view-to-DOM conversion and to recognize block fillers during the DOM-to-view conversion.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {Function} module:engine/view/domconverter~DomConverter#_blockFiller\n\t\t */\n\t\tthis._blockFiller = this.blockFillerMode == 'br' ? BR_FILLER : NBSP_FILLER;\n\n\t\t/**\n\t\t * The DOM-to-view mapping.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap} module:engine/view/domconverter~DomConverter#_domToViewMapping\n\t\t */\n\t\tthis._domToViewMapping = new WeakMap();\n\n\t\t/**\n\t\t * The view-to-DOM mapping.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap} module:engine/view/domconverter~DomConverter#_viewToDomMapping\n\t\t */\n\t\tthis._viewToDomMapping = new WeakMap();\n\n\t\t/**\n\t\t * Holds the mapping between fake selection containers and corresponding view selections.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap} module:engine/view/domconverter~DomConverter#_fakeSelectionMapping\n\t\t */\n\t\tthis._fakeSelectionMapping = new WeakMap();\n\n\t\t/**\n\t\t * Matcher for view elements whose content should be treated as raw data\n\t\t * and not processed during the conversion from DOM nodes to view elements.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/view/matcher~Matcher}\n\t\t */\n\t\tthis._rawContentElementMatcher = new Matcher();\n\n\t\t/**\n\t\t * A set of encountered raw content DOM nodes. It is used for preventing left trimming of the following text node.\n\t\t *\n\t\t * @private\n\t\t * @type {WeakSet.<Node>}\n\t\t */\n\t\tthis._encounteredRawContentDomNodes = new WeakSet();\n\t}\n\n\t/**\n\t * Binds a given DOM element that represents fake selection to a **position** of a\n\t * {@link module:engine/view/documentselection~DocumentSelection document selection}.\n\t * Document selection copy is stored and can be retrieved by the\n\t * {@link module:engine/view/domconverter~DomConverter#fakeSelectionToView} method.\n\t *\n\t * @param {HTMLElement} domElement\n\t * @param {module:engine/view/documentselection~DocumentSelection} viewDocumentSelection\n\t */\n\tbindFakeSelection( domElement, viewDocumentSelection ) {\n\t\tthis._fakeSelectionMapping.set( domElement, new ViewSelection( viewDocumentSelection ) );\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/view/selection~Selection view selection} instance corresponding to a given\n\t * DOM element that represents fake selection. Returns `undefined` if binding to the given DOM element does not exist.\n\t *\n\t * @param {HTMLElement} domElement\n\t * @returns {module:engine/view/selection~Selection|undefined}\n\t */\n\tfakeSelectionToView( domElement ) {\n\t\treturn this._fakeSelectionMapping.get( domElement );\n\t}\n\n\t/**\n\t * Binds DOM and view elements, so it will be possible to get corresponding elements using\n\t * {@link module:engine/view/domconverter~DomConverter#mapDomToView} and\n\t * {@link module:engine/view/domconverter~DomConverter#mapViewToDom}.\n\t *\n\t * @param {HTMLElement} domElement The DOM element to bind.\n\t * @param {module:engine/view/element~Element} viewElement The view element to bind.\n\t */\n\tbindElements( domElement, viewElement ) {\n\t\tthis._domToViewMapping.set( domElement, viewElement );\n\t\tthis._viewToDomMapping.set( viewElement, domElement );\n\t}\n\n\t/**\n\t * Unbinds a given DOM element from the view element it was bound to. Unbinding is deep, meaning that all children of\n\t * the DOM element will be unbound too.\n\t *\n\t * @param {HTMLElement} domElement The DOM element to unbind.\n\t */\n\tunbindDomElement( domElement ) {\n\t\tconst viewElement = this._domToViewMapping.get( domElement );\n\n\t\tif ( viewElement ) {\n\t\t\tthis._domToViewMapping.delete( domElement );\n\t\t\tthis._viewToDomMapping.delete( viewElement );\n\n\t\t\tfor ( const child of domElement.childNodes ) {\n\t\t\t\tthis.unbindDomElement( child );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Binds DOM and view document fragments, so it will be possible to get corresponding document fragments using\n\t * {@link module:engine/view/domconverter~DomConverter#mapDomToView} and\n\t * {@link module:engine/view/domconverter~DomConverter#mapViewToDom}.\n\t *\n\t * @param {DocumentFragment} domFragment The DOM document fragment to bind.\n\t * @param {module:engine/view/documentfragment~DocumentFragment} viewFragment The view document fragment to bind.\n\t */\n\tbindDocumentFragments( domFragment, viewFragment ) {\n\t\tthis._domToViewMapping.set( domFragment, viewFragment );\n\t\tthis._viewToDomMapping.set( viewFragment, domFragment );\n\t}\n\n\t/**\n\t * Converts the view to the DOM. For all text nodes, not bound elements and document fragments new items will\n\t * be created. For bound elements and document fragments the method will return corresponding items.\n\t *\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} viewNode\n\t * View node or document fragment to transform.\n\t * @param {Document} domDocument Document which will be used to create DOM nodes.\n\t * @param {Object} [options] Conversion options.\n\t * @param {Boolean} [options.bind=false] Determines whether new elements will be bound.\n\t * @param {Boolean} [options.withChildren=true] If `true`, node's and document fragment's children will be converted too.\n\t * @returns {Node|DocumentFragment} Converted node or DocumentFragment.\n\t */\n\tviewToDom( viewNode, domDocument, options = {} ) {\n\t\tif ( viewNode.is( '$text' ) ) {\n\t\t\tconst textData = this._processDataFromViewText( viewNode );\n\n\t\t\treturn domDocument.createTextNode( textData );\n\t\t} else {\n\t\t\tif ( this.mapViewToDom( viewNode ) ) {\n\t\t\t\treturn this.mapViewToDom( viewNode );\n\t\t\t}\n\n\t\t\tlet domElement;\n\n\t\t\tif ( viewNode.is( 'documentFragment' ) ) {\n\t\t\t\t// Create DOM document fragment.\n\t\t\t\tdomElement = domDocument.createDocumentFragment();\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindDocumentFragments( domElement, viewNode );\n\t\t\t\t}\n\t\t\t} else if ( viewNode.is( 'uiElement' ) ) {\n\t\t\t\t// UIElement has its own render() method (see #799).\n\t\t\t\tdomElement = viewNode.render( domDocument );\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindElements( domElement, viewNode );\n\t\t\t\t}\n\n\t\t\t\treturn domElement;\n\t\t\t} else {\n\t\t\t\t// Create DOM element.\n\t\t\t\tif ( viewNode.hasAttribute( 'xmlns' ) ) {\n\t\t\t\t\tdomElement = domDocument.createElementNS( viewNode.getAttribute( 'xmlns' ), viewNode.name );\n\t\t\t\t} else {\n\t\t\t\t\tdomElement = domDocument.createElement( viewNode.name );\n\t\t\t\t}\n\n\t\t\t\t// RawElement take care of their children in RawElement#render() method which can be customized\n\t\t\t\t// (see https://github.com/ckeditor/ckeditor5/issues/4469).\n\t\t\t\tif ( viewNode.is( 'rawElement' ) ) {\n\t\t\t\t\tviewNode.render( domElement );\n\t\t\t\t}\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindElements( domElement, viewNode );\n\t\t\t\t}\n\n\t\t\t\t// Copy element's attributes.\n\t\t\t\tfor ( const key of viewNode.getAttributeKeys() ) {\n\t\t\t\t\tdomElement.setAttribute( key, viewNode.getAttribute( key ) );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( options.withChildren !== false ) {\n\t\t\t\tfor ( const child of this.viewChildrenToDom( viewNode, domDocument, options ) ) {\n\t\t\t\t\tdomElement.appendChild( child );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn domElement;\n\t\t}\n\t}\n\n\t/**\n\t * Converts children of the view element to DOM using the\n\t * {@link module:engine/view/domconverter~DomConverter#viewToDom} method.\n\t * Additionally, this method adds block {@link module:engine/view/filler filler} to the list of children, if needed.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} viewElement Parent view element.\n\t * @param {Document} domDocument Document which will be used to create DOM nodes.\n\t * @param {Object} options See {@link module:engine/view/domconverter~DomConverter#viewToDom} options parameter.\n\t * @returns {Iterable.<Node>} DOM nodes.\n\t */\n\t* viewChildrenToDom( viewElement, domDocument, options = {} ) {\n\t\tconst fillerPositionOffset = viewElement.getFillerOffset && viewElement.getFillerOffset();\n\t\tlet offset = 0;\n\n\t\tfor ( const childView of viewElement.getChildren() ) {\n\t\t\tif ( fillerPositionOffset === offset ) {\n\t\t\t\tyield this._blockFiller( domDocument );\n\t\t\t}\n\n\t\t\tyield this.viewToDom( childView, domDocument, options );\n\n\t\t\toffset++;\n\t\t}\n\n\t\tif ( fillerPositionOffset === offset ) {\n\t\t\tyield this._blockFiller( domDocument );\n\t\t}\n\t}\n\n\t/**\n\t * Converts view {@link module:engine/view/range~Range} to DOM range.\n\t * Inline and block {@link module:engine/view/filler fillers} are handled during the conversion.\n\t *\n\t * @param {module:engine/view/range~Range} viewRange View range.\n\t * @returns {Range} DOM range.\n\t */\n\tviewRangeToDom( viewRange ) {\n\t\tconst domStart = this.viewPositionToDom( viewRange.start );\n\t\tconst domEnd = this.viewPositionToDom( viewRange.end );\n\n\t\tconst domRange = document.createRange();\n\t\tdomRange.setStart( domStart.parent, domStart.offset );\n\t\tdomRange.setEnd( domEnd.parent, domEnd.offset );\n\n\t\treturn domRange;\n\t}\n\n\t/**\n\t * Converts view {@link module:engine/view/position~Position} to DOM parent and offset.\n\t *\n\t * Inline and block {@link module:engine/view/filler fillers} are handled during the conversion.\n\t * If the converted position is directly before inline filler it is moved inside the filler.\n\t *\n\t * @param {module:engine/view/position~Position} viewPosition View position.\n\t * @returns {Object|null} position DOM position or `null` if view position could not be converted to DOM.\n\t * @returns {Node} position.parent DOM position parent.\n\t * @returns {Number} position.offset DOM position offset.\n\t */\n\tviewPositionToDom( viewPosition ) {\n\t\tconst viewParent = viewPosition.parent;\n\n\t\tif ( viewParent.is( '$text' ) ) {\n\t\t\tconst domParent = this.findCorrespondingDomText( viewParent );\n\n\t\t\tif ( !domParent ) {\n\t\t\t\t// Position is in a view text node that has not been rendered to DOM yet.\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tlet offset = viewPosition.offset;\n\n\t\t\tif ( startsWithFiller( domParent ) ) {\n\t\t\t\toffset += INLINE_FILLER_LENGTH;\n\t\t\t}\n\n\t\t\treturn { parent: domParent, offset };\n\t\t} else {\n\t\t\t// viewParent is instance of ViewElement.\n\t\t\tlet domParent, domBefore, domAfter;\n\n\t\t\tif ( viewPosition.offset === 0 ) {\n\t\t\t\tdomParent = this.mapViewToDom( viewParent );\n\n\t\t\t\tif ( !domParent ) {\n\t\t\t\t\t// Position is in a view element that has not been rendered to DOM yet.\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tdomAfter = domParent.childNodes[ 0 ];\n\t\t\t} else {\n\t\t\t\tconst nodeBefore = viewPosition.nodeBefore;\n\n\t\t\t\tdomBefore = nodeBefore.is( '$text' ) ?\n\t\t\t\t\tthis.findCorrespondingDomText( nodeBefore ) :\n\t\t\t\t\tthis.mapViewToDom( viewPosition.nodeBefore );\n\n\t\t\t\tif ( !domBefore ) {\n\t\t\t\t\t// Position is after a view element that has not been rendered to DOM yet.\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tdomParent = domBefore.parentNode;\n\t\t\t\tdomAfter = domBefore.nextSibling;\n\t\t\t}\n\n\t\t\t// If there is an inline filler at position return position inside the filler. We should never return\n\t\t\t// the position before the inline filler.\n\t\t\tif ( isText( domAfter ) && startsWithFiller( domAfter ) ) {\n\t\t\t\treturn { parent: domAfter, offset: INLINE_FILLER_LENGTH };\n\t\t\t}\n\n\t\t\tconst offset = domBefore ? indexOf( domBefore ) + 1 : 0;\n\n\t\t\treturn { parent: domParent, offset };\n\t\t}\n\t}\n\n\t/**\n\t * Converts DOM to view. For all text nodes, not bound elements and document fragments new items will\n\t * be created. For bound elements and document fragments function will return corresponding items. For\n\t * {@link module:engine/view/filler fillers} `null` will be returned.\n\t * For all DOM elements rendered by {@link module:engine/view/uielement~UIElement} that UIElement will be returned.\n\t *\n\t * @param {Node|DocumentFragment} domNode DOM node or document fragment to transform.\n\t * @param {Object} [options] Conversion options.\n\t * @param {Boolean} [options.bind=false] Determines whether new elements will be bound.\n\t * @param {Boolean} [options.withChildren=true] If `true`, node's and document fragment's children will be converted too.\n\t * @param {Boolean} [options.keepOriginalCase=false] If `false`, node's tag name will be converter to lower case.\n\t * @returns {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment|null} Converted node or document fragment\n\t * or `null` if DOM node is a {@link module:engine/view/filler filler} or the given node is an empty text node.\n\t */\n\tdomToView( domNode, options = {} ) {\n\t\tif ( this.isBlockFiller( domNode, this.blockFillerMode ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// When node is inside a UIElement or a RawElement return that parent as it's view representation.\n\t\tconst hostElement = this.getHostViewElement( domNode );\n\n\t\tif ( hostElement ) {\n\t\t\treturn hostElement;\n\t\t}\n\n\t\tif ( isText( domNode ) ) {\n\t\t\tif ( isInlineFiller( domNode ) ) {\n\t\t\t\treturn null;\n\t\t\t} else {\n\t\t\t\tconst textData = this._processDataFromDomText( domNode );\n\n\t\t\t\treturn textData === '' ? null : new ViewText( this.document, textData );\n\t\t\t}\n\t\t} else if ( this.isComment( domNode ) ) {\n\t\t\treturn null;\n\t\t} else {\n\t\t\tif ( this.mapDomToView( domNode ) ) {\n\t\t\t\treturn this.mapDomToView( domNode );\n\t\t\t}\n\n\t\t\tlet viewElement;\n\n\t\t\tif ( this.isDocumentFragment( domNode ) ) {\n\t\t\t\t// Create view document fragment.\n\t\t\t\tviewElement = new ViewDocumentFragment( this.document );\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindDocumentFragments( domNode, viewElement );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t// Create view element.\n\t\t\t\tconst viewName = options.keepOriginalCase ? domNode.tagName : domNode.tagName.toLowerCase();\n\t\t\t\tviewElement = new ViewElement( this.document, viewName );\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindElements( domNode, viewElement );\n\t\t\t\t}\n\n\t\t\t\t// Copy element's attributes.\n\t\t\t\tconst attrs = domNode.attributes;\n\n\t\t\t\tfor ( let i = attrs.length - 1; i >= 0; i-- ) {\n\t\t\t\t\tviewElement._setAttribute( attrs[ i ].name, attrs[ i ].value );\n\t\t\t\t}\n\n\t\t\t\t// Treat this element's content as a raw data if it was registered as such.\n\t\t\t\tif ( options.withChildren !== false && this._rawContentElementMatcher.match( viewElement ) ) {\n\t\t\t\t\tviewElement._setCustomProperty( '$rawContent', domNode.innerHTML );\n\n\t\t\t\t\t// Store a DOM node to prevent left trimming of the following text node.\n\t\t\t\t\tthis._encounteredRawContentDomNodes.add( domNode );\n\n\t\t\t\t\treturn viewElement;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( options.withChildren !== false ) {\n\t\t\t\tfor ( const child of this.domChildrenToView( domNode, options ) ) {\n\t\t\t\t\tviewElement._appendChild( child );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn viewElement;\n\t\t}\n\t}\n\n\t/**\n\t * Converts children of the DOM element to view nodes using\n\t * the {@link module:engine/view/domconverter~DomConverter#domToView} method.\n\t * Additionally this method omits block {@link module:engine/view/filler filler}, if it exists in the DOM parent.\n\t *\n\t * @param {HTMLElement} domElement Parent DOM element.\n\t * @param {Object} options See {@link module:engine/view/domconverter~DomConverter#domToView} options parameter.\n\t * @returns {Iterable.<module:engine/view/node~Node>} View nodes.\n\t */\n\t* domChildrenToView( domElement, options = {} ) {\n\t\tfor ( let i = 0; i < domElement.childNodes.length; i++ ) {\n\t\t\tconst domChild = domElement.childNodes[ i ];\n\t\t\tconst viewChild = this.domToView( domChild, options );\n\n\t\t\tif ( viewChild !== null ) {\n\t\t\t\tyield viewChild;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Converts DOM selection to view {@link module:engine/view/selection~Selection}.\n\t * Ranges which cannot be converted will be omitted.\n\t *\n\t * @param {Selection} domSelection DOM selection.\n\t * @returns {module:engine/view/selection~Selection} View selection.\n\t */\n\tdomSelectionToView( domSelection ) {\n\t\t// DOM selection might be placed in fake selection container.\n\t\t// If container contains fake selection - return corresponding view selection.\n\t\tif ( domSelection.rangeCount === 1 ) {\n\t\t\tlet container = domSelection.getRangeAt( 0 ).startContainer;\n\n\t\t\t// The DOM selection might be moved to the text node inside the fake selection container.\n\t\t\tif ( isText( container ) ) {\n\t\t\t\tcontainer = container.parentNode;\n\t\t\t}\n\n\t\t\tconst viewSelection = this.fakeSelectionToView( container );\n\n\t\t\tif ( viewSelection ) {\n\t\t\t\treturn viewSelection;\n\t\t\t}\n\t\t}\n\n\t\tconst isBackward = this.isDomSelectionBackward( domSelection );\n\n\t\tconst viewRanges = [];\n\n\t\tfor ( let i = 0; i < domSelection.rangeCount; i++ ) {\n\t\t\t// DOM Range have correct start and end, no matter what is the DOM Selection direction. So we don't have to fix anything.\n\t\t\tconst domRange = domSelection.getRangeAt( i );\n\t\t\tconst viewRange = this.domRangeToView( domRange );\n\n\t\t\tif ( viewRange ) {\n\t\t\t\tviewRanges.push( viewRange );\n\t\t\t}\n\t\t}\n\n\t\treturn new ViewSelection( viewRanges, { backward: isBackward } );\n\t}\n\n\t/**\n\t * Converts DOM Range to view {@link module:engine/view/range~Range}.\n\t * If the start or end position can not be converted `null` is returned.\n\t *\n\t * @param {Range} domRange DOM range.\n\t * @returns {module:engine/view/range~Range|null} View range.\n\t */\n\tdomRangeToView( domRange ) {\n\t\tconst viewStart = this.domPositionToView( domRange.startContainer, domRange.startOffset );\n\t\tconst viewEnd = this.domPositionToView( domRange.endContainer, domRange.endOffset );\n\n\t\tif ( viewStart && viewEnd ) {\n\t\t\treturn new ViewRange( viewStart, viewEnd );\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Converts DOM parent and offset to view {@link module:engine/view/position~Position}.\n\t *\n\t * If the position is inside a {@link module:engine/view/filler filler} which has no corresponding view node,\n\t * position of the filler will be converted and returned.\n\t *\n\t * If the position is inside DOM element rendered by {@link module:engine/view/uielement~UIElement}\n\t * that position will be converted to view position before that UIElement.\n\t *\n\t * If structures are too different and it is not possible to find corresponding position then `null` will be returned.\n\t *\n\t * @param {Node} domParent DOM position parent.\n\t * @param {Number} domOffset DOM position offset.\n\t * @returns {module:engine/view/position~Position} viewPosition View position.\n\t */\n\tdomPositionToView( domParent, domOffset ) {\n\t\tif ( this.isBlockFiller( domParent, this.blockFillerMode ) ) {\n\t\t\treturn this.domPositionToView( domParent.parentNode, indexOf( domParent ) );\n\t\t}\n\n\t\t// If position is somewhere inside UIElement or a RawElement - return position before that element.\n\t\tconst viewElement = this.mapDomToView( domParent );\n\n\t\tif ( viewElement && ( viewElement.is( 'uiElement' ) || viewElement.is( 'rawElement' ) ) ) {\n\t\t\treturn ViewPosition._createBefore( viewElement );\n\t\t}\n\n\t\tif ( isText( domParent ) ) {\n\t\t\tif ( isInlineFiller( domParent ) ) {\n\t\t\t\treturn this.domPositionToView( domParent.parentNode, indexOf( domParent ) );\n\t\t\t}\n\n\t\t\tconst viewParent = this.findCorrespondingViewText( domParent );\n\t\t\tlet offset = domOffset;\n\n\t\t\tif ( !viewParent ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tif ( startsWithFiller( domParent ) ) {\n\t\t\t\toffset -= INLINE_FILLER_LENGTH;\n\t\t\t\toffset = offset < 0 ? 0 : offset;\n\t\t\t}\n\n\t\t\treturn new ViewPosition( viewParent, offset );\n\t\t}\n\t\t// domParent instanceof HTMLElement.\n\t\telse {\n\t\t\tif ( domOffset === 0 ) {\n\t\t\t\tconst viewParent = this.mapDomToView( domParent );\n\n\t\t\t\tif ( viewParent ) {\n\t\t\t\t\treturn new ViewPosition( viewParent, 0 );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst domBefore = domParent.childNodes[ domOffset - 1 ];\n\t\t\t\tconst viewBefore = isText( domBefore ) ?\n\t\t\t\t\tthis.findCorrespondingViewText( domBefore ) :\n\t\t\t\t\tthis.mapDomToView( domBefore );\n\n\t\t\t\t// TODO #663\n\t\t\t\tif ( viewBefore && viewBefore.parent ) {\n\t\t\t\t\treturn new ViewPosition( viewBefore.parent, viewBefore.index + 1 );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\t\t}\n\t}\n\n\t/**\n\t * Returns corresponding view {@link module:engine/view/element~Element Element} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment} for provided DOM element or\n\t * document fragment. If there is no view item {@link module:engine/view/domconverter~DomConverter#bindElements bound}\n\t * to the given DOM - `undefined` is returned.\n\t *\n\t * For all DOM elements rendered by a {@link module:engine/view/uielement~UIElement} or\n\t * a {@link module:engine/view/rawelement~RawElement}, the parent `UIElement` or `RawElement` will be returned.\n\t *\n\t * @param {DocumentFragment|Element} domElementOrDocumentFragment DOM element or document fragment.\n\t * @returns {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment|undefined}\n\t * Corresponding view element, document fragment or `undefined` if no element was bound.\n\t */\n\tmapDomToView( domElementOrDocumentFragment ) {\n\t\tconst hostElement = this.getHostViewElement( domElementOrDocumentFragment );\n\n\t\treturn hostElement || this._domToViewMapping.get( domElementOrDocumentFragment );\n\t}\n\n\t/**\n\t * Finds corresponding text node. Text nodes are not {@link module:engine/view/domconverter~DomConverter#bindElements bound},\n\t * corresponding text node is returned based on the sibling or parent.\n\t *\n\t * If the directly previous sibling is a {@link module:engine/view/domconverter~DomConverter#bindElements bound} element, it is used\n\t * to find the corresponding text node.\n\t *\n\t * If this is a first child in the parent and the parent is a {@link module:engine/view/domconverter~DomConverter#bindElements bound}\n\t * element, it is used to find the corresponding text node.\n\t *\n\t * For all text nodes rendered by a {@link module:engine/view/uielement~UIElement} or\n\t * a {@link module:engine/view/rawelement~RawElement}, the parent `UIElement` or `RawElement` will be returned.\n\t *\n\t * Otherwise `null` is returned.\n\t *\n\t * Note that for the block or inline {@link module:engine/view/filler filler} this method returns `null`.\n\t *\n\t * @param {Text} domText DOM text node.\n\t * @returns {module:engine/view/text~Text|null} Corresponding view text node or `null`, if it was not possible to find a\n\t * corresponding node.\n\t */\n\tfindCorrespondingViewText( domText ) {\n\t\tif ( isInlineFiller( domText ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// If DOM text was rendered by a UIElement or a RawElement - return this parent element.\n\t\tconst hostElement = this.getHostViewElement( domText );\n\n\t\tif ( hostElement ) {\n\t\t\treturn hostElement;\n\t\t}\n\n\t\tconst previousSibling = domText.previousSibling;\n\n\t\t// Try to use previous sibling to find the corresponding text node.\n\t\tif ( previousSibling ) {\n\t\t\tif ( !( this.isElement( previousSibling ) ) ) {\n\t\t\t\t// The previous is text or comment.\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tconst viewElement = this.mapDomToView( previousSibling );\n\n\t\t\tif ( viewElement ) {\n\t\t\t\tconst nextSibling = viewElement.nextSibling;\n\n\t\t\t\t// It might be filler which has no corresponding view node.\n\t\t\t\tif ( nextSibling instanceof ViewText ) {\n\t\t\t\t\treturn viewElement.nextSibling;\n\t\t\t\t} else {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t// Try to use parent to find the corresponding text node.\n\t\telse {\n\t\t\tconst viewElement = this.mapDomToView( domText.parentNode );\n\n\t\t\tif ( viewElement ) {\n\t\t\t\tconst firstChild = viewElement.getChild( 0 );\n\n\t\t\t\t// It might be filler which has no corresponding view node.\n\t\t\t\tif ( firstChild instanceof ViewText ) {\n\t\t\t\t\treturn firstChild;\n\t\t\t\t} else {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns corresponding DOM item for provided {@link module:engine/view/element~Element Element} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment DocumentFragment}.\n\t * To find a corresponding text for {@link module:engine/view/text~Text view Text instance}\n\t * use {@link #findCorrespondingDomText}.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} viewNode\n\t * View element or document fragment.\n\t * @returns {Node|DocumentFragment|undefined} Corresponding DOM node or document fragment.\n\t */\n\tmapViewToDom( documentFragmentOrElement ) {\n\t\treturn this._viewToDomMapping.get( documentFragmentOrElement );\n\t}\n\n\t/**\n\t * Finds corresponding text node. Text nodes are not {@link module:engine/view/domconverter~DomConverter#bindElements bound},\n\t * corresponding text node is returned based on the sibling or parent.\n\t *\n\t * If the directly previous sibling is a {@link module:engine/view/domconverter~DomConverter#bindElements bound} element, it is used\n\t * to find the corresponding text node.\n\t *\n\t * If this is a first child in the parent and the parent is a {@link module:engine/view/domconverter~DomConverter#bindElements bound}\n\t * element, it is used to find the corresponding text node.\n\t *\n\t * Otherwise `null` is returned.\n\t *\n\t * @param {module:engine/view/text~Text} viewText View text node.\n\t * @returns {Text|null} Corresponding DOM text node or `null`, if it was not possible to find a corresponding node.\n\t */\n\tfindCorrespondingDomText( viewText ) {\n\t\tconst previousSibling = viewText.previousSibling;\n\n\t\t// Try to use previous sibling to find the corresponding text node.\n\t\tif ( previousSibling && this.mapViewToDom( previousSibling ) ) {\n\t\t\treturn this.mapViewToDom( previousSibling ).nextSibling;\n\t\t}\n\n\t\t// If this is a first node, try to use parent to find the corresponding text node.\n\t\tif ( !previousSibling && viewText.parent && this.mapViewToDom( viewText.parent ) ) {\n\t\t\treturn this.mapViewToDom( viewText.parent ).childNodes[ 0 ];\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Focuses DOM editable that is corresponding to provided {@link module:engine/view/editableelement~EditableElement}.\n\t *\n\t * @param {module:engine/view/editableelement~EditableElement} viewEditable\n\t */\n\tfocus( viewEditable ) {\n\t\tconst domEditable = this.mapViewToDom( viewEditable );\n\n\t\tif ( domEditable && domEditable.ownerDocument.activeElement !== domEditable ) {\n\t\t\t// Save the scrollX and scrollY positions before the focus.\n\t\t\tconst { scrollX, scrollY } = global.window;\n\t\t\tconst scrollPositions = [];\n\n\t\t\t// Save all scrollLeft and scrollTop values starting from domEditable up to\n\t\t\t// document#documentElement.\n\t\t\tforEachDomNodeAncestor( domEditable, node => {\n\t\t\t\tconst { scrollLeft, scrollTop } = node;\n\n\t\t\t\tscrollPositions.push( [ scrollLeft, scrollTop ] );\n\t\t\t} );\n\n\t\t\tdomEditable.focus();\n\n\t\t\t// Restore scrollLeft and scrollTop values starting from domEditable up to\n\t\t\t// document#documentElement.\n\t\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/951\n\t\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/957\n\t\t\tforEachDomNodeAncestor( domEditable, node => {\n\t\t\t\tconst [ scrollLeft, scrollTop ] = scrollPositions.shift();\n\n\t\t\t\tnode.scrollLeft = scrollLeft;\n\t\t\t\tnode.scrollTop = scrollTop;\n\t\t\t} );\n\n\t\t\t// Restore the scrollX and scrollY positions after the focus.\n\t\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/951\n\t\t\tglobal.window.scrollTo( scrollX, scrollY );\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` when `node.nodeType` equals `Node.ELEMENT_NODE`.\n\t *\n\t * @param {Node} node Node to check.\n\t * @returns {Boolean}\n\t */\n\tisElement( node ) {\n\t\treturn node && node.nodeType == Node.ELEMENT_NODE;\n\t}\n\n\t/**\n\t * Returns `true` when `node.nodeType` equals `Node.DOCUMENT_FRAGMENT_NODE`.\n\t *\n\t * @param {Node} node Node to check.\n\t * @returns {Boolean}\n\t */\n\tisDocumentFragment( node ) {\n\t\treturn node && node.nodeType == Node.DOCUMENT_FRAGMENT_NODE;\n\t}\n\n\t/**\n\t * Returns `true` when `node.nodeType` equals `Node.COMMENT_NODE`.\n\t *\n\t * @param {Node} node Node to check.\n\t * @returns {Boolean}\n\t */\n\tisComment( node ) {\n\t\treturn node && node.nodeType == Node.COMMENT_NODE;\n\t}\n\n\t/**\n\t * Checks if the node is an instance of the block filler for this DOM converter.\n\t *\n\t *\t\tconst converter = new DomConverter( viewDocument, { blockFillerMode: 'br' } );\n\t *\n\t *\t\tconverter.isBlockFiller( BR_FILLER( document ) ); // true\n\t *\t\tconverter.isBlockFiller( NBSP_FILLER( document ) ); // false\n\t *\n\t * **Note:**: For the `'nbsp'` mode the method also checks context of a node so it cannot be a detached node.\n\t *\n\t * **Note:** A special case in the `'nbsp'` mode exists where the `<br>` in `<p><br></p>` is treated as a block filler.\n\t *\n\t * @param {Node} domNode DOM node to check.\n\t * @returns {Boolean} True if a node is considered a block filler for given mode.\n\t */\n\tisBlockFiller( domNode ) {\n\t\tif ( this.blockFillerMode == 'br' ) {\n\t\t\treturn domNode.isEqualNode( BR_FILLER_REF );\n\t\t}\n\n\t\t// Special case for <p><br></p> in which case the <br> should be treated as filler even\n\t\t// when we're in the 'nbsp' mode. See ckeditor5#5564.\n\t\tif ( domNode.tagName === 'BR' && hasBlockParent( domNode, this.blockElements ) && domNode.parentNode.childNodes.length === 1 ) {\n\t\t\treturn true;\n\t\t}\n\n\t\treturn isNbspBlockFiller( domNode, this.blockElements );\n\t}\n\n\t/**\n\t * Returns `true` if given selection is a backward selection, that is, if it's `focus` is before `anchor`.\n\t *\n\t * @param {Selection} DOM Selection instance to check.\n\t * @returns {Boolean}\n\t */\n\tisDomSelectionBackward( selection ) {\n\t\tif ( selection.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Since it takes multiple lines of code to check whether a \"DOM Position\" is before/after another \"DOM Position\",\n\t\t// we will use the fact that range will collapse if it's end is before it's start.\n\t\tconst range = document.createRange();\n\n\t\trange.setStart( selection.anchorNode, selection.anchorOffset );\n\t\trange.setEnd( selection.focusNode, selection.focusOffset );\n\n\t\tconst backward = range.collapsed;\n\n\t\trange.detach();\n\n\t\treturn backward;\n\t}\n\n\t/**\n\t * Returns a parent {@link module:engine/view/uielement~UIElement} or {@link module:engine/view/rawelement~RawElement}\n\t * that hosts the provided DOM node. Returns `null` if there is no such parent.\n\t *\n\t * @param {Node} domNode\n\t * @returns {module:engine/view/uielement~UIElement|module:engine/view/rawelement~RawElement|null}\n\t */\n\tgetHostViewElement( domNode ) {\n\t\tconst ancestors = getAncestors( domNode );\n\n\t\t// Remove domNode from the list.\n\t\tancestors.pop();\n\n\t\twhile ( ancestors.length ) {\n\t\t\tconst domNode = ancestors.pop();\n\t\t\tconst viewNode = this._domToViewMapping.get( domNode );\n\n\t\t\tif ( viewNode && ( viewNode.is( 'uiElement' ) || viewNode.is( 'rawElement' ) ) ) {\n\t\t\t\treturn viewNode;\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Checks if the given selection's boundaries are at correct places.\n\t *\n\t * The following places are considered as incorrect for selection boundaries:\n\t *\n\t * * before or in the middle of an inline filler sequence,\n\t * * inside a DOM element which represents {@link module:engine/view/uielement~UIElement a view UI element},\n\t * * inside a DOM element which represents {@link module:engine/view/rawelement~RawElement a view raw element}.\n\t *\n\t * @param {Selection} domSelection The DOM selection object to be checked.\n\t * @returns {Boolean} `true` if the given selection is at a correct place, `false` otherwise.\n\t */\n\tisDomSelectionCorrect( domSelection ) {\n\t\treturn this._isDomSelectionPositionCorrect( domSelection.anchorNode, domSelection.anchorOffset ) &&\n\t\t\tthis._isDomSelectionPositionCorrect( domSelection.focusNode, domSelection.focusOffset );\n\t}\n\n\t/**\n\t * Registers a {@link module:engine/view/matcher~MatcherPattern} for view elements whose content should be treated as raw data\n\t * and not processed during the conversion from DOM nodes to view elements.\n\t *\n\t * This is affecting how {@link module:engine/view/domconverter~DomConverter#domToView} and\n\t * {@link module:engine/view/domconverter~DomConverter#domChildrenToView} process DOM nodes.\n\t *\n\t * The raw data can be later accessed by a\n\t * {@link module:engine/view/element~Element#getCustomProperty custom property of a view element} called `\"$rawContent\"`.\n\t *\n\t * @param {module:engine/view/matcher~MatcherPattern} pattern Pattern matching a view element whose content should\n\t * be treated as raw data.\n\t */\n\tregisterRawContentMatcher( pattern ) {\n\t\tthis._rawContentElementMatcher.add( pattern );\n\t}\n\n\t/**\n\t * Checks if the given DOM position is a correct place for selection boundary. See {@link #isDomSelectionCorrect}.\n\t *\n\t * @private\n\t * @param {Element} domParent Position parent.\n\t * @param {Number} offset Position offset.\n\t * @returns {Boolean} `true` if given position is at a correct place for selection boundary, `false` otherwise.\n\t */\n\t_isDomSelectionPositionCorrect( domParent, offset ) {\n\t\t// If selection is before or in the middle of inline filler string, it is incorrect.\n\t\tif ( isText( domParent ) && startsWithFiller( domParent ) && offset < INLINE_FILLER_LENGTH ) {\n\t\t\t// Selection in a text node, at wrong position (before or in the middle of filler).\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( this.isElement( domParent ) && startsWithFiller( domParent.childNodes[ offset ] ) ) {\n\t\t\t// Selection in an element node, before filler text node.\n\t\t\treturn false;\n\t\t}\n\n\t\tconst viewParent = this.mapDomToView( domParent );\n\n\t\t// The position is incorrect when anchored inside a UIElement or a RawElement.\n\t\t// Note: In case of UIElement and RawElement, mapDomToView() returns a parent element for any DOM child\n\t\t// so there's no need to perform any additional checks.\n\t\tif ( viewParent && ( viewParent.is( 'uiElement' ) || viewParent.is( 'rawElement' ) ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Takes text data from a given {@link module:engine/view/text~Text#data} and processes it so\n\t * it is correctly displayed in the DOM.\n\t *\n\t * Following changes are done:\n\t *\n\t * * a space at the beginning is changed to `&nbsp;` if this is the first text node in its container\n\t * element or if a previous text node ends with a space character,\n\t * * space at the end of the text node is changed to `&nbsp;` if there are two spaces at the end of a node or if next node\n\t * starts with a space or if it is the last text node in its container,\n\t * * remaining spaces are replaced to a chain of spaces and `&nbsp;` (e.g. `'x   x'` becomes `'x &nbsp; x'`).\n\t *\n\t * Content of {@link #preElements} is not processed.\n\t *\n\t * @private\n\t * @param {module:engine/view/text~Text} node View text node to process.\n\t * @returns {String} Processed text data.\n\t */\n\t_processDataFromViewText( node ) {\n\t\tlet data = node.data;\n\n\t\t// If any of node ancestors has a name which is in `preElements` array, then currently processed\n\t\t// view text node is (will be) in preformatted element. We should not change whitespaces then.\n\t\tif ( node.getAncestors().some( parent => this.preElements.includes( parent.name ) ) ) {\n\t\t\treturn data;\n\t\t}\n\n\t\t// 1. Replace the first space with a nbsp if the previous node ends with a space or there is no previous node\n\t\t// (container element boundary).\n\t\tif ( data.charAt( 0 ) == ' ' ) {\n\t\t\tconst prevNode = this._getTouchingViewTextNode( node, false );\n\t\t\tconst prevEndsWithSpace = prevNode && this._nodeEndsWithSpace( prevNode );\n\n\t\t\tif ( prevEndsWithSpace || !prevNode ) {\n\t\t\t\tdata = '\\u00A0' + data.substr( 1 );\n\t\t\t}\n\t\t}\n\n\t\t// 2. Replace the last space with nbsp if there are two spaces at the end or if the next node starts with space or there is no\n\t\t// next node (container element boundary).\n\t\t//\n\t\t// Keep in mind that Firefox prefers $nbsp; before tag, not inside it:\n\t\t//\n\t\t// Foo <span>&nbsp;bar</span>  <-- bad.\n\t\t// Foo&nbsp;<span> bar</span>  <-- good.\n\t\t//\n\t\t// More here: https://github.com/ckeditor/ckeditor5-engine/issues/1747.\n\t\tif ( data.charAt( data.length - 1 ) == ' ' ) {\n\t\t\tconst nextNode = this._getTouchingViewTextNode( node, true );\n\n\t\t\tif ( data.charAt( data.length - 2 ) == ' ' || !nextNode || nextNode.data.charAt( 0 ) == ' ' ) {\n\t\t\t\tdata = data.substr( 0, data.length - 1 ) + '\\u00A0';\n\t\t\t}\n\t\t}\n\n\t\t// 3. Create space+nbsp pairs.\n\t\treturn data.replace( / {2}/g, ' \\u00A0' );\n\t}\n\n\t/**\n\t * Checks whether given node ends with a space character after changing appropriate space characters to `&nbsp;`s.\n\t *\n\t * @private\n\t * @param {module:engine/view/text~Text} node Node to check.\n\t * @returns {Boolean} `true` if given `node` ends with space, `false` otherwise.\n\t */\n\t_nodeEndsWithSpace( node ) {\n\t\tif ( node.getAncestors().some( parent => this.preElements.includes( parent.name ) ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst data = this._processDataFromViewText( node );\n\n\t\treturn data.charAt( data.length - 1 ) == ' ';\n\t}\n\n\t/**\n\t * Takes text data from native `Text` node and processes it to a correct {@link module:engine/view/text~Text view text node} data.\n\t *\n\t * Following changes are done:\n\t *\n\t * * multiple whitespaces are replaced to a single space,\n\t * * space at the beginning of a text node is removed if it is the first text node in its container\n\t * element or if the previous text node ends with a space character,\n\t * * space at the end of the text node is removed if there are two spaces at the end of a node or if next node\n\t * starts with a space or if it is the last text node in its container\n\t * * nbsps are converted to spaces.\n\t *\n\t * @param {Node} node DOM text node to process.\n\t * @returns {String} Processed data.\n\t * @private\n\t */\n\t_processDataFromDomText( node ) {\n\t\tlet data = node.data;\n\n\t\tif ( _hasDomParentOfType( node, this.preElements ) ) {\n\t\t\treturn getDataWithoutFiller( node );\n\t\t}\n\n\t\t// Change all consecutive whitespace characters (from the [ \\n\\t\\r] set –\n\t\t// see https://github.com/ckeditor/ckeditor5-engine/issues/822#issuecomment-311670249) to a single space character.\n\t\t// That's how multiple whitespaces are treated when rendered, so we normalize those whitespaces.\n\t\t// We're replacing 1+ (and not 2+) to also normalize singular \\n\\t\\r characters (#822).\n\t\tdata = data.replace( /[ \\n\\t\\r]{1,}/g, ' ' );\n\n\t\tconst prevNode = this._getTouchingInlineDomNode( node, false );\n\t\tconst nextNode = this._getTouchingInlineDomNode( node, true );\n\n\t\tconst shouldLeftTrim = this._checkShouldLeftTrimDomText( node, prevNode );\n\t\tconst shouldRightTrim = this._checkShouldRightTrimDomText( node, nextNode );\n\n\t\t// If the previous dom text node does not exist or it ends by whitespace character, remove space character from the beginning\n\t\t// of this text node. Such space character is treated as a whitespace.\n\t\tif ( shouldLeftTrim ) {\n\t\t\tdata = data.replace( /^ /, '' );\n\t\t}\n\n\t\t// If the next text node does not exist remove space character from the end of this text node.\n\t\tif ( shouldRightTrim ) {\n\t\t\tdata = data.replace( / $/, '' );\n\t\t}\n\n\t\t// At the beginning and end of a block element, Firefox inserts normal space + <br> instead of non-breaking space.\n\t\t// This means that the text node starts/end with normal space instead of non-breaking space.\n\t\t// This causes a problem because the normal space would be removed in `.replace` calls above. To prevent that,\n\t\t// the inline filler is removed only after the data is initially processed (by the `.replace` above). See ckeditor5#692.\n\t\tdata = getDataWithoutFiller( new Text( data ) );\n\n\t\t// At this point we should have removed all whitespaces from DOM text data.\n\t\t//\n\t\t// Now, We will reverse the process that happens in `_processDataFromViewText`.\n\t\t//\n\t\t// We have to change &nbsp; chars, that were in DOM text data because of rendering reasons, to spaces.\n\t\t// First, change all ` \\u00A0` pairs (space + &nbsp;) to two spaces. DOM converter changes two spaces from model/view to\n\t\t// ` \\u00A0` to ensure proper rendering. Since here we convert back, we recognize those pairs and change them back to `  `.\n\t\tdata = data.replace( / \\u00A0/g, '  ' );\n\n\t\t// Then, let's change the last nbsp to a space.\n\t\tif ( /( |\\u00A0)\\u00A0$/.test( data ) || !nextNode || ( nextNode.data && nextNode.data.charAt( 0 ) == ' ' ) ) {\n\t\t\tdata = data.replace( /\\u00A0$/, ' ' );\n\t\t}\n\n\t\t// Then, change &nbsp; character that is at the beginning of the text node to space character.\n\t\t// We do that replacement only if this is the first node or the previous node ends on whitespace character.\n\t\tif ( shouldLeftTrim ) {\n\t\t\tdata = data.replace( /^\\u00A0/, ' ' );\n\t\t}\n\n\t\t// At this point, all whitespaces should be removed and all &nbsp; created for rendering reasons should be\n\t\t// changed to normal space. All left &nbsp; are &nbsp; inserted intentionally.\n\t\treturn data;\n\t}\n\n\t/**\n\t * Helper function which checks if a DOM text node, preceded by the given `prevNode` should\n\t * be trimmed from the left side.\n\t *\n\t * @private\n\t * @param {Node} node\n\t * @param {Node} prevNode\n\t */\n\t_checkShouldLeftTrimDomText( node, prevNode ) {\n\t\tif ( !prevNode ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif ( isElement( prevNode ) ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Shouldn't left trim if previous node is a node that was encountered as a raw content node.\n\t\tif ( this._encounteredRawContentDomNodes.has( node.previousSibling ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn /[^\\S\\u00A0]/.test( prevNode.data.charAt( prevNode.data.length - 1 ) );\n\t}\n\n\t/**\n\t * Helper function which checks if a DOM text node, succeeded by the given `nextNode` should\n\t * be trimmed from the right side.\n\t *\n\t * @private\n\t * @param {Node} node\n\t * @param {Node} nextNode\n\t */\n\t_checkShouldRightTrimDomText( node, nextNode ) {\n\t\tif ( nextNode ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn !startsWithFiller( node );\n\t}\n\n\t/**\n\t * Helper function. For given {@link module:engine/view/text~Text view text node}, it finds previous or next sibling\n\t * that is contained in the same container element. If there is no such sibling, `null` is returned.\n\t *\n\t * @private\n\t * @param {module:engine/view/text~Text} node Reference node.\n\t * @param {Boolean} getNext\n\t * @returns {module:engine/view/text~Text|null} Touching text node or `null` if there is no next or previous touching text node.\n\t */\n\t_getTouchingViewTextNode( node, getNext ) {\n\t\tconst treeWalker = new ViewTreeWalker( {\n\t\t\tstartPosition: getNext ? ViewPosition._createAfter( node ) : ViewPosition._createBefore( node ),\n\t\t\tdirection: getNext ? 'forward' : 'backward'\n\t\t} );\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\t// ViewContainerElement is found on a way to next ViewText node, so given `node` was first/last\n\t\t\t// text node in its container element.\n\t\t\tif ( value.item.is( 'containerElement' ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t\t// <br> found – it works like a block boundary, so do not scan further.\n\t\t\telse if ( value.item.is( 'element', 'br' ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t\t// Found a text node in the same container element.\n\t\t\telse if ( value.item.is( '$textProxy' ) ) {\n\t\t\t\treturn value.item;\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Helper function. For the given text node, it finds the closest touching node which is either\n\t * a text node or a `<br>`. The search is terminated at block element boundaries and if a matching node\n\t * wasn't found so far, `null` is returned.\n\t *\n\t * In the following DOM structure:\n\t *\n\t *\t\t<p>foo<b>bar</b><br>bom</p>\n\t *\n\t * * `foo` doesn't have its previous touching inline node (`null` is returned),\n\t * * `foo`'s next touching inline node is `bar`\n\t * * `bar`'s next touching inline node is `<br>`\n\t *\n\t * This method returns text nodes and `<br>` elements because these types of nodes affect how\n\t * spaces in the given text node need to be converted.\n\t *\n\t * @private\n\t * @param {Text} node\n\t * @param {Boolean} getNext\n\t * @returns {Text|Element|null}\n\t */\n\t_getTouchingInlineDomNode( node, getNext ) {\n\t\tif ( !node.parentNode ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst direction = getNext ? 'nextNode' : 'previousNode';\n\t\tconst document = node.ownerDocument;\n\t\tconst topmostParent = getAncestors( node )[ 0 ];\n\n\t\tconst treeWalker = document.createTreeWalker( topmostParent, NodeFilter.SHOW_TEXT | NodeFilter.SHOW_ELEMENT, {\n\t\t\tacceptNode( node ) {\n\t\t\t\tif ( isText( node ) ) {\n\t\t\t\t\treturn NodeFilter.FILTER_ACCEPT;\n\t\t\t\t}\n\n\t\t\t\tif ( node.tagName == 'BR' ) {\n\t\t\t\t\treturn NodeFilter.FILTER_ACCEPT;\n\t\t\t\t}\n\n\t\t\t\treturn NodeFilter.FILTER_SKIP;\n\t\t\t}\n\t\t} );\n\n\t\ttreeWalker.currentNode = node;\n\n\t\tconst touchingNode = treeWalker[ direction ]();\n\n\t\tif ( touchingNode !== null ) {\n\t\t\tconst lca = getCommonAncestor( node, touchingNode );\n\n\t\t\t// If there is common ancestor between the text node and next/prev text node,\n\t\t\t// and there are no block elements on a way from the text node to that ancestor,\n\t\t\t// and there are no block elements on a way from next/prev text node to that ancestor...\n\t\t\tif (\n\t\t\t\tlca &&\n\t\t\t\t!_hasDomParentOfType( node, this.blockElements, lca ) &&\n\t\t\t\t!_hasDomParentOfType( touchingNode, this.blockElements, lca )\n\t\t\t) {\n\t\t\t\t// Then they are in the same container element.\n\t\t\t\treturn touchingNode;\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n}\n\n// Helper function.\n// Used to check if given native `Element` or `Text` node has parent with tag name from `types` array.\n//\n// @param {Node} node\n// @param {Array.<String>} types\n// @param {Boolean} [boundaryParent] Can be given if parents should be checked up to a given element (excluding that element).\n// @returns {Boolean} `true` if such parent exists or `false` if it does not.\nfunction _hasDomParentOfType( node, types, boundaryParent ) {\n\tlet parents = getAncestors( node );\n\n\tif ( boundaryParent ) {\n\t\tparents = parents.slice( parents.indexOf( boundaryParent ) + 1 );\n\t}\n\n\treturn parents.some( parent => parent.tagName && types.includes( parent.tagName.toLowerCase() ) );\n}\n\n// A helper that executes given callback for each DOM node's ancestor, starting from the given node\n// and ending in document#documentElement.\n//\n// @param {Node} node\n// @param {Function} callback A callback to be executed for each ancestor.\nfunction forEachDomNodeAncestor( node, callback ) {\n\twhile ( node && node != global.document ) {\n\t\tcallback( node );\n\t\tnode = node.parentNode;\n\t}\n}\n\n// Checks if given node is a nbsp block filler.\n//\n// A &nbsp; is a block filler only if it is a single child of a block element.\n//\n// @param {Node} domNode DOM node.\n// @returns {Boolean}\nfunction isNbspBlockFiller( domNode, blockElements ) {\n\tconst isNBSP = isText( domNode ) && domNode.data == '\\u00A0';\n\n\treturn isNBSP && hasBlockParent( domNode, blockElements ) && domNode.parentNode.childNodes.length === 1;\n}\n\n// Checks if domNode has block parent.\n//\n// @param {Node} domNode DOM node.\n// @returns {Boolean}\nfunction hasBlockParent( domNode, blockElements ) {\n\tconst parent = domNode.parentNode;\n\n\treturn parent && parent.tagName && blockElements.includes( parent.tagName.toLowerCase() );\n}\n\n/**\n * Enum representing type of the block filler.\n *\n * Possible values:\n *\n * * `br` - for `<br>` block filler used in editing view,\n * * `nbsp` - for `&nbsp;` block fillers used in the data.\n *\n * @typedef {String} module:engine/view/filler~BlockFillerMode\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/getcommonancestor\n */\n\nimport getAncestors from './getancestors';\n\n/**\n * Searches and returns the lowest common ancestor of two given nodes.\n *\n * @param {Node} nodeA First node.\n * @param {Node} nodeB Second node.\n * @returns {Node|DocumentFragment|Document|null} Lowest common ancestor of both nodes or `null` if nodes do not have a common ancestor.\n */\nexport default function getCommonAncestor( nodeA, nodeB ) {\n\tconst ancestorsA = getAncestors( nodeA );\n\tconst ancestorsB = getAncestors( nodeB );\n\n\tlet i = 0;\n\n\t// It does not matter which array is shorter.\n\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\ti++;\n\t}\n\n\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/iswindow\n */\n\n/**\n * Checks if the object is a native DOM Window.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isWindow( obj ) {\n\tconst stringifiedObject = Object.prototype.toString.apply( obj );\n\n\t// Returns `true` for the `window` object in browser environments.\n\tif ( stringifiedObject == '[object Window]' ) {\n\t\treturn true;\n\t}\n\n\t// Returns `true` for the `window` object in the Electron environment.\n\tif ( stringifiedObject == '[object global]' ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/emittermixin\n */\n\nimport { default as EmitterMixin, _getEmitterListenedTo, _setEmitterId } from '../emittermixin';\nimport uid from '../uid';\nimport isNode from './isnode';\nimport isWindow from './iswindow';\nimport { extend } from 'lodash-es';\n\n/**\n * Mixin that injects the DOM events API into its host. It provides the API\n * compatible with {@link module:utils/emittermixin~EmitterMixin}.\n *\n * DOM emitter mixin is by default available in the {@link module:ui/view~View} class,\n * but it can also be mixed into any other class:\n *\n *\t\timport mix from '../utils/mix.js';\n *\t\timport DomEmitterMixin from '../utils/dom/emittermixin.js';\n *\n *\t\tclass SomeView {}\n *\t\tmix( SomeView, DomEmitterMixin );\n *\n *\t\tconst view = new SomeView();\n *\t\tview.listenTo( domElement, ( evt, domEvt ) => {\n *\t\t\tconsole.log( evt, domEvt );\n *\t\t} );\n *\n * @mixin EmitterMixin\n * @mixes module:utils/emittermixin~EmitterMixin\n * @implements module:utils/dom/emittermixin~Emitter\n */\nconst DomEmitterMixin = extend( {}, EmitterMixin, {\n\t/**\n\t * Registers a callback function to be executed when an event is fired in a specific Emitter or DOM Node.\n\t * It is backwards compatible with {@link module:utils/emittermixin~EmitterMixin#listenTo}.\n\t *\n\t * @param {module:utils/emittermixin~Emitter|Node} emitter The object that fires the event.\n\t * @param {String} event The name of the event.\n\t * @param {Function} callback The function to be called on event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n\t * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n\t * order they were added.\n\t * @param {Boolean} [options.useCapture=false] Indicates that events of this type will be dispatched to the registered\n\t * listener before being dispatched to any EventTarget beneath it in the DOM tree.\n\t * @param {Boolean} [options.usePassive=false] Indicates that the function specified by listener will never call preventDefault()\n\t * and prevents blocking browser's main thread by this event handler.\n\t */\n\tlistenTo( emitter, ...rest ) {\n\t\t// Check if emitter is an instance of DOM Node. If so, replace the argument with\n\t\t// corresponding ProxyEmitter (or create one if not existing).\n\t\tif ( isNode( emitter ) || isWindow( emitter ) ) {\n\t\t\tconst proxy = this._getProxyEmitter( emitter ) || new ProxyEmitter( emitter );\n\n\t\t\tproxy.attach( ...rest );\n\n\t\t\temitter = proxy;\n\t\t}\n\n\t\t// Execute parent class method with Emitter (or ProxyEmitter) instance.\n\t\tEmitterMixin.listenTo.call( this, emitter, ...rest );\n\t},\n\n\t/**\n\t * Stops listening for events. It can be used at different levels:\n\t * It is backwards compatible with {@link module:utils/emittermixin~EmitterMixin#listenTo}.\n\t *\n\t * * To stop listening to a specific callback.\n\t * * To stop listening to a specific event.\n\t * * To stop listening to all events fired by a specific object.\n\t * * To stop listening to all events fired by all object.\n\t *\n\t * @param {module:utils/emittermixin~Emitter|Node} [emitter] The object to stop listening to. If omitted, stops it for all objects.\n\t * @param {String} [event] (Requires the `emitter`) The name of the event to stop listening to. If omitted, stops it\n\t * for all events from `emitter`.\n\t * @param {Function} [callback] (Requires the `event`) The function to be removed from the call list for the given\n\t * `event`.\n\t */\n\tstopListening( emitter, event, callback ) {\n\t\t// Check if emitter is an instance of DOM Node. If so, replace the argument with corresponding ProxyEmitter.\n\t\tif ( isNode( emitter ) || isWindow( emitter ) ) {\n\t\t\tconst proxy = this._getProxyEmitter( emitter );\n\n\t\t\t// Element has no listeners.\n\t\t\tif ( !proxy ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\temitter = proxy;\n\t\t}\n\n\t\t// Execute parent class method with Emitter (or ProxyEmitter) instance.\n\t\tEmitterMixin.stopListening.call( this, emitter, event, callback );\n\n\t\tif ( emitter instanceof ProxyEmitter ) {\n\t\t\temitter.detach( event );\n\t\t}\n\t},\n\n\t/**\n\t * Retrieves ProxyEmitter instance for given DOM Node residing in this Host.\n\t *\n\t * @private\n\t * @param {Node} node DOM Node of the ProxyEmitter.\n\t * @returns {module:utils/dom/emittermixin~ProxyEmitter} ProxyEmitter instance or null.\n\t */\n\t_getProxyEmitter( node ) {\n\t\treturn _getEmitterListenedTo( this, getNodeUID( node ) );\n\t}\n} );\n\nexport default DomEmitterMixin;\n\n/**\n * Creates a ProxyEmitter instance. Such an instance is a bridge between a DOM Node firing events\n * and any Host listening to them. It is backwards compatible with {@link module:utils/emittermixin~EmitterMixin#on}.\n *\n *                                  listenTo( click, ... )\n *                    +-----------------------------------------+\n *                    |              stopListening( ... )       |\n *     +----------------------------+                           |             addEventListener( click, ... )\n *     | Host                       |                           |   +---------------------------------------------+\n *     +----------------------------+                           |   |       removeEventListener( click, ... )     |\n *     | _listeningTo: {            |                +----------v-------------+                                   |\n *     |   UID: {                   |                | ProxyEmitter           |                                   |\n *     |     emitter: ProxyEmitter, |                +------------------------+                      +------------v----------+\n *     |     callbacks: {           |                | events: {              |                      | Node (HTMLElement)    |\n *     |       click: [ callbacks ] |                |   click: [ callbacks ] |                      +-----------------------+\n *     |     }                      |                | },                     |                      | data-ck-expando: UID  |\n *     |   }                        |                | _domNode: Node,        |                      +-----------------------+\n *     | }                          |                | _domListeners: {},     |                                   |\n *     | +------------------------+ |                | _emitterId: UID        |                                   |\n *     | | DomEmitterMixin        | |                +--------------^---------+                                   |\n *     | +------------------------+ |                           |   |                                             |\n *     +--------------^-------------+                           |   +---------------------------------------------+\n *                    |                                         |                  click (DOM Event)\n *                    +-----------------------------------------+\n *                                fire( click, DOM Event )\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n * @implements module:utils/dom/emittermixin~Emitter\n * @private\n */\nclass ProxyEmitter {\n\t/**\n\t * @param {Node} node DOM Node that fires events.\n\t * @returns {Object} ProxyEmitter instance bound to the DOM Node.\n\t */\n\tconstructor( node ) {\n\t\t// Set emitter ID to match DOM Node \"expando\" property.\n\t\t_setEmitterId( this, getNodeUID( node ) );\n\n\t\t// Remember the DOM Node this ProxyEmitter is bound to.\n\t\tthis._domNode = node;\n\t}\n}\n\nextend( ProxyEmitter.prototype, EmitterMixin, {\n\t/**\n\t * Collection of native DOM listeners.\n\t *\n\t * @private\n\t * @member {Object} module:utils/dom/emittermixin~ProxyEmitter#_domListeners\n\t */\n\n\t/**\n\t * Registers a callback function to be executed when an event is fired.\n\t *\n\t * It attaches a native DOM listener to the DOM Node. When fired,\n\t * a corresponding Emitter event will also fire with DOM Event object as an argument.\n\t *\n\t * @method module:utils/dom/emittermixin~ProxyEmitter#attach\n\t * @param {String} event The name of the event.\n\t * @param {Function} callback The function to be called on event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {Boolean} [options.useCapture=false] Indicates that events of this type will be dispatched to the registered\n\t * listener before being dispatched to any EventTarget beneath it in the DOM tree.\n\t * @param {Boolean} [options.usePassive=false] Indicates that the function specified by listener will never call preventDefault()\n\t * and prevents blocking browser's main thread by this event handler.\n\t */\n\tattach( event, callback, options = {} ) {\n\t\t// If the DOM Listener for given event already exist it is pointless\n\t\t// to attach another one.\n\t\tif ( this._domListeners && this._domListeners[ event ] ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst listenerOptions = {\n\t\t\tcapture: !!options.useCapture,\n\t\t\tpassive: !!options.usePassive\n\t\t};\n\n\t\tconst domListener = this._createDomListener( event, listenerOptions );\n\n\t\t// Attach the native DOM listener to DOM Node.\n\t\tthis._domNode.addEventListener( event, domListener, listenerOptions );\n\n\t\tif ( !this._domListeners ) {\n\t\t\tthis._domListeners = {};\n\t\t}\n\n\t\t// Store the native DOM listener in this ProxyEmitter. It will be helpful\n\t\t// when stopping listening to the event.\n\t\tthis._domListeners[ event ] = domListener;\n\t},\n\n\t/**\n\t * Stops executing the callback on the given event.\n\t *\n\t * @method module:utils/dom/emittermixin~ProxyEmitter#detach\n\t * @param {String} event The name of the event.\n\t */\n\tdetach( event ) {\n\t\tlet events;\n\n\t\t// Remove native DOM listeners which are orphans. If no callbacks\n\t\t// are awaiting given event, detach native DOM listener from DOM Node.\n\t\t// See: {@link attach}.\n\n\t\tif ( this._domListeners[ event ] && ( !( events = this._events[ event ] ) || !events.callbacks.length ) ) {\n\t\t\tthis._domListeners[ event ].removeListener();\n\t\t}\n\t},\n\n\t/**\n\t * Creates a native DOM listener callback. When the native DOM event\n\t * is fired it will fire corresponding event on this ProxyEmitter.\n\t * Note: A native DOM Event is passed as an argument.\n\t *\n\t * @private\n\t * @method module:utils/dom/emittermixin~ProxyEmitter#_createDomListener\n\t * @param {String} event The name of the event.\n\t * @param {Object} [options] Additional options.\n\t * @param {Boolean} [options.capture=false] Indicates whether the listener was created for capturing event.\n\t * @param {Boolean} [options.passive=false] Indicates that the function specified by listener will never call preventDefault()\n\t * and prevents blocking browser's main thread by this event handler.\n\t * @returns {Function} The DOM listener callback.\n\t */\n\t_createDomListener( event, options ) {\n\t\tconst domListener = domEvt => {\n\t\t\tthis.fire( event, domEvt );\n\t\t};\n\n\t\t// Supply the DOM listener callback with a function that will help\n\t\t// detach it from the DOM Node, when it is no longer necessary.\n\t\t// See: {@link detach}.\n\t\tdomListener.removeListener = () => {\n\t\t\tthis._domNode.removeEventListener( event, domListener, options );\n\t\t\tdelete this._domListeners[ event ];\n\t\t};\n\n\t\treturn domListener;\n\t}\n} );\n\n// Gets an unique DOM Node identifier. The identifier will be set if not defined.\n//\n// @private\n// @param {Node} node\n// @returns {String} UID for given DOM Node.\nfunction getNodeUID( node ) {\n\treturn node[ 'data-ck-expando' ] || ( node[ 'data-ck-expando' ] = uid() );\n}\n\n/**\n * Interface representing classes which mix in {@link module:utils/dom/emittermixin~EmitterMixin}.\n *\n * @interface Emitter\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/observer\n */\n\nimport DomEmitterMixin from '@ckeditor/ckeditor5-utils/src/dom/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Abstract base observer class. Observers are classes which listen to DOM events, do the preliminary\n * processing and fire events on the {@link module:engine/view/document~Document} objects.\n * Observers can also add features to the view, for instance by updating its status or marking elements\n * which need a refresh on DOM events.\n *\n * @abstract\n */\nexport default class Observer {\n\t/**\n\t * Creates an instance of the observer.\n\t *\n\t * @param {module:engine/view/view~View} view\n\t */\n\tconstructor( view ) {\n\t\t/**\n\t\t * An instance of the view controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/view~View}\n\t\t */\n\t\tthis.view = view;\n\n\t\t/**\n\t\t * A reference to the {@link module:engine/view/document~Document} object.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = view.document;\n\n\t\t/**\n\t\t * The state of the observer. If it is disabled, no events will be fired.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.isEnabled = false;\n\t}\n\n\t/**\n\t * Enables the observer. This method is called when the observer is registered to the\n\t * {@link module:engine/view/view~View} and after {@link module:engine/view/view~View#forceRender rendering}\n\t * (all observers are {@link #disable disabled} before rendering).\n\t *\n\t * A typical use case for disabling observers is that mutation observers need to be disabled for the rendering.\n\t * However, a child class may not need to be disabled, so it can implement an empty method.\n\t *\n\t * @see module:engine/view/observer/observer~Observer#disable\n\t */\n\tenable() {\n\t\tthis.isEnabled = true;\n\t}\n\n\t/**\n\t * Disables the observer. This method is called before\n\t * {@link module:engine/view/view~View#forceRender rendering} to prevent firing events during rendering.\n\t *\n\t * @see module:engine/view/observer/observer~Observer#enable\n\t */\n\tdisable() {\n\t\tthis.isEnabled = false;\n\t}\n\n\t/**\n\t * Disables and destroys the observer, among others removes event listeners created by the observer.\n\t */\n\tdestroy() {\n\t\tthis.disable();\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Checks whether a given DOM event should be ignored (should not be turned into a synthetic view document event).\n\t *\n\t * Currently, an event will be ignored only if its target or any of its ancestors has the `data-cke-ignore-events` attribute.\n\t * This attribute can be used inside the structures generated by\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement `DowncastWriter#createUIElement()`} to ignore events\n\t * fired within a UI that should be excluded from CKEditor 5's realms.\n\t *\n\t * @param {Node} domTarget The DOM event target to check (usually an element, sometimes a text node and\n\t * potentially sometimes a document, too).\n\t * @returns {Boolean} Whether this event should be ignored by the observer.\n\t */\n\tcheckShouldIgnoreEventFromTarget( domTarget ) {\n\t\tif ( domTarget && domTarget.nodeType === 3 ) {\n\t\t\tdomTarget = domTarget.parentNode;\n\t\t}\n\n\t\tif ( !domTarget || domTarget.nodeType !== 1 ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn domTarget.matches( '[data-cke-ignore-events], [data-cke-ignore-events] *' );\n\t}\n\n\t/**\n\t * Starts observing the given root element.\n\t *\n\t * @method #observe\n\t * @param {HTMLElement} domElement\n\t * @param {String} name The name of the root element.\n\t */\n}\n\nmix( Observer, DomEmitterMixin );\n","/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\nfunction setCacheAdd(value) {\n  this.__data__.set(value, HASH_UNDEFINED);\n  return this;\n}\n\nexport default setCacheAdd;\n","/**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\nfunction setCacheHas(value) {\n  return this.__data__.has(value);\n}\n\nexport default setCacheHas;\n","import MapCache from './_MapCache.js';\nimport setCacheAdd from './_setCacheAdd.js';\nimport setCacheHas from './_setCacheHas.js';\n\n/**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\nfunction SetCache(values) {\n  var index = -1,\n      length = values == null ? 0 : values.length;\n\n  this.__data__ = new MapCache;\n  while (++index < length) {\n    this.add(values[index]);\n  }\n}\n\n// Add methods to `SetCache`.\nSetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\nSetCache.prototype.has = setCacheHas;\n\nexport default SetCache;\n","/**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n *  else `false`.\n */\nfunction arraySome(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length;\n\n  while (++index < length) {\n    if (predicate(array[index], index, array)) {\n      return true;\n    }\n  }\n  return false;\n}\n\nexport default arraySome;\n","/**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction cacheHas(cache, key) {\n  return cache.has(key);\n}\n\nexport default cacheHas;\n","import SetCache from './_SetCache.js';\nimport arraySome from './_arraySome.js';\nimport cacheHas from './_cacheHas.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1,\n    COMPARE_UNORDERED_FLAG = 2;\n\n/**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\nfunction equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n      arrLength = array.length,\n      othLength = other.length;\n\n  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n    return false;\n  }\n  // Check that cyclic values are equal.\n  var arrStacked = stack.get(array);\n  var othStacked = stack.get(other);\n  if (arrStacked && othStacked) {\n    return arrStacked == other && othStacked == array;\n  }\n  var index = -1,\n      result = true,\n      seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n  stack.set(array, other);\n  stack.set(other, array);\n\n  // Ignore non-index properties.\n  while (++index < arrLength) {\n    var arrValue = array[index],\n        othValue = other[index];\n\n    if (customizer) {\n      var compared = isPartial\n        ? customizer(othValue, arrValue, index, other, array, stack)\n        : customizer(arrValue, othValue, index, array, other, stack);\n    }\n    if (compared !== undefined) {\n      if (compared) {\n        continue;\n      }\n      result = false;\n      break;\n    }\n    // Recursively compare arrays (susceptible to call stack limits).\n    if (seen) {\n      if (!arraySome(other, function(othValue, othIndex) {\n            if (!cacheHas(seen, othIndex) &&\n                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n              return seen.push(othIndex);\n            }\n          })) {\n        result = false;\n        break;\n      }\n    } else if (!(\n          arrValue === othValue ||\n            equalFunc(arrValue, othValue, bitmask, customizer, stack)\n        )) {\n      result = false;\n      break;\n    }\n  }\n  stack['delete'](array);\n  stack['delete'](other);\n  return result;\n}\n\nexport default equalArrays;\n","/**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\nfunction mapToArray(map) {\n  var index = -1,\n      result = Array(map.size);\n\n  map.forEach(function(value, key) {\n    result[++index] = [key, value];\n  });\n  return result;\n}\n\nexport default mapToArray;\n","/**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\nfunction setToArray(set) {\n  var index = -1,\n      result = Array(set.size);\n\n  set.forEach(function(value) {\n    result[++index] = value;\n  });\n  return result;\n}\n\nexport default setToArray;\n","import Symbol from './_Symbol.js';\nimport Uint8Array from './_Uint8Array.js';\nimport eq from './eq.js';\nimport equalArrays from './_equalArrays.js';\nimport mapToArray from './_mapToArray.js';\nimport setToArray from './_setToArray.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1,\n    COMPARE_UNORDERED_FLAG = 2;\n\n/** `Object#toString` result references. */\nvar boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    errorTag = '[object Error]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    symbolTag = '[object Symbol]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]';\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;\n\n/**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n  switch (tag) {\n    case dataViewTag:\n      if ((object.byteLength != other.byteLength) ||\n          (object.byteOffset != other.byteOffset)) {\n        return false;\n      }\n      object = object.buffer;\n      other = other.buffer;\n\n    case arrayBufferTag:\n      if ((object.byteLength != other.byteLength) ||\n          !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n        return false;\n      }\n      return true;\n\n    case boolTag:\n    case dateTag:\n    case numberTag:\n      // Coerce booleans to `1` or `0` and dates to milliseconds.\n      // Invalid dates are coerced to `NaN`.\n      return eq(+object, +other);\n\n    case errorTag:\n      return object.name == other.name && object.message == other.message;\n\n    case regexpTag:\n    case stringTag:\n      // Coerce regexes to strings and treat strings, primitives and objects,\n      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n      // for more details.\n      return object == (other + '');\n\n    case mapTag:\n      var convert = mapToArray;\n\n    case setTag:\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n      convert || (convert = setToArray);\n\n      if (object.size != other.size && !isPartial) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked) {\n        return stacked == other;\n      }\n      bitmask |= COMPARE_UNORDERED_FLAG;\n\n      // Recursively compare objects (susceptible to call stack limits).\n      stack.set(object, other);\n      var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n      stack['delete'](object);\n      return result;\n\n    case symbolTag:\n      if (symbolValueOf) {\n        return symbolValueOf.call(object) == symbolValueOf.call(other);\n      }\n  }\n  return false;\n}\n\nexport default equalByTag;\n","import getAllKeys from './_getAllKeys.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1;\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n      objProps = getAllKeys(object),\n      objLength = objProps.length,\n      othProps = getAllKeys(other),\n      othLength = othProps.length;\n\n  if (objLength != othLength && !isPartial) {\n    return false;\n  }\n  var index = objLength;\n  while (index--) {\n    var key = objProps[index];\n    if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n      return false;\n    }\n  }\n  // Check that cyclic values are equal.\n  var objStacked = stack.get(object);\n  var othStacked = stack.get(other);\n  if (objStacked && othStacked) {\n    return objStacked == other && othStacked == object;\n  }\n  var result = true;\n  stack.set(object, other);\n  stack.set(other, object);\n\n  var skipCtor = isPartial;\n  while (++index < objLength) {\n    key = objProps[index];\n    var objValue = object[key],\n        othValue = other[key];\n\n    if (customizer) {\n      var compared = isPartial\n        ? customizer(othValue, objValue, key, other, object, stack)\n        : customizer(objValue, othValue, key, object, other, stack);\n    }\n    // Recursively compare objects (susceptible to call stack limits).\n    if (!(compared === undefined\n          ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n          : compared\n        )) {\n      result = false;\n      break;\n    }\n    skipCtor || (skipCtor = key == 'constructor');\n  }\n  if (result && !skipCtor) {\n    var objCtor = object.constructor,\n        othCtor = other.constructor;\n\n    // Non `Object` object instances with different constructors are not equal.\n    if (objCtor != othCtor &&\n        ('constructor' in object && 'constructor' in other) &&\n        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n          typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n      result = false;\n    }\n  }\n  stack['delete'](object);\n  stack['delete'](other);\n  return result;\n}\n\nexport default equalObjects;\n","import Stack from './_Stack.js';\nimport equalArrays from './_equalArrays.js';\nimport equalByTag from './_equalByTag.js';\nimport equalObjects from './_equalObjects.js';\nimport getTag from './_getTag.js';\nimport isArray from './isArray.js';\nimport isBuffer from './isBuffer.js';\nimport isTypedArray from './isTypedArray.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1;\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n    arrayTag = '[object Array]',\n    objectTag = '[object Object]';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n  var objIsArr = isArray(object),\n      othIsArr = isArray(other),\n      objTag = objIsArr ? arrayTag : getTag(object),\n      othTag = othIsArr ? arrayTag : getTag(other);\n\n  objTag = objTag == argsTag ? objectTag : objTag;\n  othTag = othTag == argsTag ? objectTag : othTag;\n\n  var objIsObj = objTag == objectTag,\n      othIsObj = othTag == objectTag,\n      isSameTag = objTag == othTag;\n\n  if (isSameTag && isBuffer(object)) {\n    if (!isBuffer(other)) {\n      return false;\n    }\n    objIsArr = true;\n    objIsObj = false;\n  }\n  if (isSameTag && !objIsObj) {\n    stack || (stack = new Stack);\n    return (objIsArr || isTypedArray(object))\n      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n  }\n  if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n    if (objIsWrapped || othIsWrapped) {\n      var objUnwrapped = objIsWrapped ? object.value() : object,\n          othUnwrapped = othIsWrapped ? other.value() : other;\n\n      stack || (stack = new Stack);\n      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n    }\n  }\n  if (!isSameTag) {\n    return false;\n  }\n  stack || (stack = new Stack);\n  return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n}\n\nexport default baseIsEqualDeep;\n","import baseIsEqualDeep from './_baseIsEqualDeep.js';\nimport isObjectLike from './isObjectLike.js';\n\n/**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n *  1 - Unordered comparison\n *  2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\nfunction baseIsEqual(value, other, bitmask, customizer, stack) {\n  if (value === other) {\n    return true;\n  }\n  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n    return value !== value && other !== other;\n  }\n  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n}\n\nexport default baseIsEqual;\n","import baseIsEqual from './_baseIsEqual.js';\n\n/**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n *   return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n *   if (isGreeting(objValue) && isGreeting(othValue)) {\n *     return true;\n *   }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\nfunction isEqualWith(value, other, customizer) {\n  customizer = typeof customizer == 'function' ? customizer : undefined;\n  var result = customizer ? customizer(value, other) : undefined;\n  return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n}\n\nexport default isEqualWith;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/mutationobserver\n */\n\n/* globals window */\n\nimport Observer from './observer';\nimport ViewSelection from '../selection';\nimport { startsWithFiller, getDataWithoutFiller } from '../filler';\nimport { isEqualWith } from 'lodash-es';\n\n/**\n * Mutation observer class observes changes in the DOM, fires {@link module:engine/view/document~Document#event:mutations} event, mark view\n * elements as changed and call {@link module:engine/view/renderer~Renderer#render}.\n * Because all mutated nodes are marked as \"to be rendered\" and the\n * {@link module:engine/view/renderer~Renderer#render} is called, all changes will be reverted, unless the mutation will be handled by the\n * {@link module:engine/view/document~Document#event:mutations} event listener. It means user will see only handled changes, and the editor\n * will block all changes which are not handled.\n *\n * Mutation Observer also take care of reducing number of mutations which are fired. It removes duplicates and\n * mutations on elements which do not have corresponding view elements. Also\n * {@link module:engine/view/observer/mutationobserver~MutatedText text mutation} is fired only if parent element do not change child list.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class MutationObserver extends Observer {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\t/**\n\t\t * Native mutation observer config.\n\t\t *\n\t\t * @private\n\t\t * @member {Object}\n\t\t */\n\t\tthis._config = {\n\t\t\tchildList: true,\n\t\t\tcharacterData: true,\n\t\t\tcharacterDataOldValue: true,\n\t\t\tsubtree: true\n\t\t};\n\n\t\t/**\n\t\t * Reference to the {@link module:engine/view/view~View#domConverter}.\n\t\t *\n\t\t * @member {module:engine/view/domconverter~DomConverter}\n\t\t */\n\t\tthis.domConverter = view.domConverter;\n\n\t\t/**\n\t\t * Reference to the {@link module:engine/view/view~View#_renderer}.\n\t\t *\n\t\t * @member {module:engine/view/renderer~Renderer}\n\t\t */\n\t\tthis.renderer = view._renderer;\n\n\t\t/**\n\t\t * Observed DOM elements.\n\t\t *\n\t\t * @private\n\t\t * @member {Array.<HTMLElement>}\n\t\t */\n\t\tthis._domElements = [];\n\n\t\t/**\n\t\t * Native mutation observer.\n\t\t *\n\t\t * @private\n\t\t * @member {MutationObserver}\n\t\t */\n\t\tthis._mutationObserver = new window.MutationObserver( this._onMutations.bind( this ) );\n\t}\n\n\t/**\n\t * Synchronously fires {@link module:engine/view/document~Document#event:mutations} event with all mutations in record queue.\n\t * At the same time empties the queue so mutations will not be fired twice.\n\t */\n\tflush() {\n\t\tthis._onMutations( this._mutationObserver.takeRecords() );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve( domElement ) {\n\t\tthis._domElements.push( domElement );\n\n\t\tif ( this.isEnabled ) {\n\t\t\tthis._mutationObserver.observe( domElement, this._config );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tenable() {\n\t\tsuper.enable();\n\n\t\tfor ( const domElement of this._domElements ) {\n\t\t\tthis._mutationObserver.observe( domElement, this._config );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdisable() {\n\t\tsuper.disable();\n\n\t\tthis._mutationObserver.disconnect();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis._mutationObserver.disconnect();\n\t}\n\n\t/**\n\t * Handles mutations. Deduplicates, mark view elements to sync, fire event and call render.\n\t *\n\t * @private\n\t * @param {Array.<Object>} domMutations Array of native mutations.\n\t */\n\t_onMutations( domMutations ) {\n\t\t// As a result of this.flush() we can have an empty collection.\n\t\tif ( domMutations.length === 0 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst domConverter = this.domConverter;\n\n\t\t// Use map and set for deduplication.\n\t\tconst mutatedTexts = new Map();\n\t\tconst mutatedElements = new Set();\n\n\t\t// Handle `childList` mutations first, so we will be able to check if the `characterData` mutation is in the\n\t\t// element with changed structure anyway.\n\t\tfor ( const mutation of domMutations ) {\n\t\t\tif ( mutation.type === 'childList' ) {\n\t\t\t\tconst element = domConverter.mapDomToView( mutation.target );\n\n\t\t\t\t// Do not collect mutations from UIElements and RawElements.\n\t\t\t\tif ( element && ( element.is( 'uiElement' ) || element.is( 'rawElement' ) ) ) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tif ( element && !this._isBogusBrMutation( mutation ) ) {\n\t\t\t\t\tmutatedElements.add( element );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Handle `characterData` mutations later, when we have the full list of nodes which changed structure.\n\t\tfor ( const mutation of domMutations ) {\n\t\t\tconst element = domConverter.mapDomToView( mutation.target );\n\n\t\t\t// Do not collect mutations from UIElements and RawElements.\n\t\t\tif ( element && ( element.is( 'uiElement' ) || element.is( 'rawElement' ) ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tif ( mutation.type === 'characterData' ) {\n\t\t\t\tconst text = domConverter.findCorrespondingViewText( mutation.target );\n\n\t\t\t\tif ( text && !mutatedElements.has( text.parent ) ) {\n\t\t\t\t\t// Use text as a key, for deduplication. If there will be another mutation on the same text element\n\t\t\t\t\t// we will have only one in the map.\n\t\t\t\t\tmutatedTexts.set( text, {\n\t\t\t\t\t\ttype: 'text',\n\t\t\t\t\t\toldText: text.data,\n\t\t\t\t\t\tnewText: getDataWithoutFiller( mutation.target ),\n\t\t\t\t\t\tnode: text\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t\t// When we added first letter to the text node which had only inline filler, for the DOM it is mutation\n\t\t\t\t// on text, but for the view, where filler text node did not existed, new text node was created, so we\n\t\t\t\t// need to fire 'children' mutation instead of 'text'.\n\t\t\t\telse if ( !text && startsWithFiller( mutation.target ) ) {\n\t\t\t\t\tmutatedElements.add( domConverter.mapDomToView( mutation.target.parentNode ) );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Now we build the list of mutations to fire and mark elements. We did not do it earlier to avoid marking the\n\t\t// same node multiple times in case of duplication.\n\n\t\t// List of mutations we will fire.\n\t\tconst viewMutations = [];\n\n\t\tfor ( const mutatedText of mutatedTexts.values() ) {\n\t\t\tthis.renderer.markToSync( 'text', mutatedText.node );\n\t\t\tviewMutations.push( mutatedText );\n\t\t}\n\n\t\tfor ( const viewElement of mutatedElements ) {\n\t\t\tconst domElement = domConverter.mapViewToDom( viewElement );\n\t\t\tconst viewChildren = Array.from( viewElement.getChildren() );\n\t\t\tconst newViewChildren = Array.from( domConverter.domChildrenToView( domElement, { withChildren: false } ) );\n\n\t\t\t// It may happen that as a result of many changes (sth was inserted and then removed),\n\t\t\t// both elements haven't really changed. #1031\n\t\t\tif ( !isEqualWith( viewChildren, newViewChildren, sameNodes ) ) {\n\t\t\t\tthis.renderer.markToSync( 'children', viewElement );\n\n\t\t\t\tviewMutations.push( {\n\t\t\t\t\ttype: 'children',\n\t\t\t\t\toldChildren: viewChildren,\n\t\t\t\t\tnewChildren: newViewChildren,\n\t\t\t\t\tnode: viewElement\n\t\t\t\t} );\n\t\t\t}\n\t\t}\n\n\t\t// Retrieve `domSelection` using `ownerDocument` of one of mutated nodes.\n\t\t// There should not be simultaneous mutation in multiple documents, so it's fine.\n\t\tconst domSelection = domMutations[ 0 ].target.ownerDocument.getSelection();\n\n\t\tlet viewSelection = null;\n\n\t\tif ( domSelection && domSelection.anchorNode ) {\n\t\t\t// If `domSelection` is inside a dom node that is already bound to a view node from view tree, get\n\t\t\t// corresponding selection in the view and pass it together with `viewMutations`. The `viewSelection` may\n\t\t\t// be used by features handling mutations.\n\t\t\t// Only one range is supported.\n\n\t\t\tconst viewSelectionAnchor = domConverter.domPositionToView( domSelection.anchorNode, domSelection.anchorOffset );\n\t\t\tconst viewSelectionFocus = domConverter.domPositionToView( domSelection.focusNode, domSelection.focusOffset );\n\n\t\t\t// Anchor and focus has to be properly mapped to view.\n\t\t\tif ( viewSelectionAnchor && viewSelectionFocus ) {\n\t\t\t\tviewSelection = new ViewSelection( viewSelectionAnchor );\n\t\t\t\tviewSelection.setFocus( viewSelectionFocus );\n\t\t\t}\n\t\t}\n\n\t\t// In case only non-relevant mutations were recorded it skips the event and force render (#5600).\n\t\tif ( viewMutations.length ) {\n\t\t\tthis.document.fire( 'mutations', viewMutations, viewSelection );\n\n\t\t\t// If nothing changes on `mutations` event, at this point we have \"dirty DOM\" (changed) and de-synched\n\t\t\t// view (which has not been changed). In order to \"reset DOM\" we render the view again.\n\t\t\tthis.view.forceRender();\n\t\t}\n\n\t\tfunction sameNodes( child1, child2 ) {\n\t\t\t// First level of comparison (array of children vs array of children) – use the Lodash's default behavior.\n\t\t\tif ( Array.isArray( child1 ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Elements.\n\t\t\tif ( child1 === child2 ) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t\t// Texts.\n\t\t\telse if ( child1.is( '$text' ) && child2.is( '$text' ) ) {\n\t\t\t\treturn child1.data === child2.data;\n\t\t\t}\n\n\t\t\t// Not matching types.\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t/**\n\t * Checks if mutation was generated by the browser inserting bogus br on the end of the block element.\n\t * Such mutations are generated while pressing space or performing native spellchecker correction\n\t * on the end of the block element in Firefox browser.\n\t *\n\t * @private\n\t * @param {Object} mutation Native mutation object.\n\t * @returns {Boolean}\n\t */\n\t_isBogusBrMutation( mutation ) {\n\t\tlet addedNode = null;\n\n\t\t// Check if mutation added only one node on the end of its parent.\n\t\tif ( mutation.nextSibling === null && mutation.removedNodes.length === 0 && mutation.addedNodes.length == 1 ) {\n\t\t\taddedNode = this.domConverter.domToView( mutation.addedNodes[ 0 ], {\n\t\t\t\twithChildren: false\n\t\t\t} );\n\t\t}\n\n\t\treturn addedNode && addedNode.is( 'element', 'br' );\n\t}\n}\n\n/**\n * Fired when mutation occurred. If tree view is not changed on this event, DOM will be reverted to the state before\n * mutation, so all changes which should be applied, should be handled on this event.\n *\n * Introduced by {@link module:engine/view/observer/mutationobserver~MutationObserver}.\n *\n * Note that because {@link module:engine/view/observer/mutationobserver~MutationObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/mutationobserver~MutationObserver\n * @event module:engine/view/document~Document#event:mutations\n * @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|module:engine/view/observer/mutationobserver~MutatedChildren>}\n * viewMutations Array of mutations.\n * For mutated texts it will be {@link module:engine/view/observer/mutationobserver~MutatedText} and for mutated elements it will be\n * {@link module:engine/view/observer/mutationobserver~MutatedChildren}. You can recognize the type based on the `type` property.\n * @param {module:engine/view/selection~Selection|null} viewSelection View selection that is a result of converting DOM selection to view.\n * Keep in\n * mind that the DOM selection is already \"updated\", meaning that it already acknowledges changes done in mutation.\n */\n\n/**\n * Mutation item for text.\n *\n * @see module:engine/view/document~Document#event:mutations\n * @see module:engine/view/observer/mutationobserver~MutatedChildren\n *\n * @typedef {Object} module:engine/view/observer/mutationobserver~MutatedText\n *\n * @property {String} type For text mutations it is always 'text'.\n * @property {module:engine/view/text~Text} node Mutated text node.\n * @property {String} oldText Old text.\n * @property {String} newText New text.\n */\n\n/**\n * Mutation item for child nodes.\n *\n * @see module:engine/view/document~Document#event:mutations\n * @see module:engine/view/observer/mutationobserver~MutatedText\n *\n * @typedef {Object} module:engine/view/observer/mutationobserver~MutatedChildren\n *\n * @property {String} type For child nodes mutations it is always 'children'.\n * @property {module:engine/view/element~Element} node Parent of the mutated children.\n * @property {Array.<module:engine/view/node~Node>} oldChildren Old child nodes.\n * @property {Array.<module:engine/view/node~Node>} newChildren New child nodes.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/domeventdata\n */\n\nimport { extend } from 'lodash-es';\n\n/**\n * Information about a DOM event in context of the {@link module:engine/view/document~Document}.\n * It wraps the native event, which usually should not be used as the wrapper contains\n * additional data (like key code for keyboard events).\n */\nexport default class DomEventData {\n\t/**\n\t * @param {module:engine/view/view~View} view The instance of the view controller.\n\t * @param {Event} domEvent The DOM event.\n\t * @param {Object} [additionalData] Additional properties that the instance should contain.\n\t */\n\tconstructor( view, domEvent, additionalData ) {\n\t\t/**\n\t\t * Instance of the view controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/view~View} module:engine/view/observer/observer~Observer.DomEvent#view\n\t\t */\n\t\tthis.view = view;\n\n\t\t/**\n\t\t * The instance of the document.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document} module:engine/view/observer/observer~Observer.DomEvent#document\n\t\t */\n\t\tthis.document = view.document;\n\n\t\t/**\n\t\t * The DOM event.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Event} module:engine/view/observer/observer~Observer.DomEvent#domEvent\n\t\t */\n\t\tthis.domEvent = domEvent;\n\n\t\t/**\n\t\t * The DOM target.\n\t\t *\n\t\t * @readonly\n\t\t * @member {HTMLElement} module:engine/view/observer/observer~Observer.DomEvent#target\n\t\t */\n\t\tthis.domTarget = domEvent.target;\n\n\t\textend( this, additionalData );\n\t}\n\n\t/**\n\t * The tree view element representing the target.\n\t *\n\t * @readonly\n\t * @type module:engine/view/element~Element\n\t */\n\tget target() {\n\t\treturn this.view.domConverter.mapDomToView( this.domTarget );\n\t}\n\n\t/**\n\t * Prevents the native's event default action.\n\t */\n\tpreventDefault() {\n\t\tthis.domEvent.preventDefault();\n\t}\n\n\t/**\n\t * Stops native event propagation.\n\t */\n\tstopPropagation() {\n\t\tthis.domEvent.stopPropagation();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/domeventobserver\n */\n\nimport Observer from './observer';\nimport DomEventData from './domeventdata';\n\n/**\n * Base class for DOM event observers. This class handles\n * {@link module:engine/view/observer/observer~Observer#observe adding} listeners to DOM elements,\n * {@link module:engine/view/observer/observer~Observer#disable disabling} and\n * {@link module:engine/view/observer/observer~Observer#enable re-enabling} events.\n * Child class needs to define\n * {@link module:engine/view/observer/domeventobserver~DomEventObserver#domEventType DOM event type} and\n * {@link module:engine/view/observer/domeventobserver~DomEventObserver#onDomEvent callback}.\n *\n * For instance:\n *\n *\t\tclass ClickObserver extends DomEventObserver {\n *\t\t\t// It can also be defined as a normal property in the constructor.\n *\t\t\tget domEventType() {\n *\t\t\t\treturn 'click';\n *\t\t\t}\n *\n *\t\t\tonDomEvent( domEvent ) {\n *\t\t\t\tthis.fire( 'click', domEvent );\n *\t\t\t}\n *\t\t}\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class DomEventObserver extends Observer {\n\t/**\n\t * Type of the DOM event the observer should listen to. Array of types can be defined\n\t * if the observer should listen to multiple DOM events.\n\t *\n\t * @readonly\n\t * @member {String|Array.<String>} #domEventType\n\t */\n\n\t/**\n\t * Callback which should be called when the DOM event occurred. Note that the callback will not be called if\n\t * observer {@link #isEnabled is not enabled}.\n\t *\n\t * @see #domEventType\n\t * @abstract\n\t * @method #onDomEvent\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\t/**\n\t\t * If set to `true` DOM events will be listened on the capturing phase.\n\t\t * Default value is `false`.\n\t\t *\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.useCapture = false;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve( domElement ) {\n\t\tconst types = typeof this.domEventType == 'string' ? [ this.domEventType ] : this.domEventType;\n\n\t\ttypes.forEach( type => {\n\t\t\tthis.listenTo( domElement, type, ( eventInfo, domEvent ) => {\n\t\t\t\tif ( this.isEnabled && !this.checkShouldIgnoreEventFromTarget( domEvent.target ) ) {\n\t\t\t\t\tthis.onDomEvent( domEvent );\n\t\t\t\t}\n\t\t\t}, { useCapture: this.useCapture } );\n\t\t} );\n\t}\n\n\t/**\n\t * Calls `Document#fire()` if observer {@link #isEnabled is enabled}.\n\t *\n\t * @see module:utils/emittermixin~EmitterMixin#fire\n\t * @param {String} eventType The event type (name).\n\t * @param {Event} domEvent The DOM event.\n\t * @param {Object} [additionalData] The additional data which should extend the\n\t * {@link module:engine/view/observer/domeventdata~DomEventData event data} object.\n\t */\n\tfire( eventType, domEvent, additionalData ) {\n\t\tif ( this.isEnabled ) {\n\t\t\tthis.document.fire( eventType, new DomEventData( this.view, domEvent, additionalData ) );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/keyobserver\n */\n\nimport DomEventObserver from './domeventobserver';\nimport { getCode } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * Observer for events connected with pressing keyboard keys.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class KeyObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'keydown', 'keyup' ];\n\t}\n\n\tonDomEvent( domEvt ) {\n\t\tthis.fire( domEvt.type, domEvt, {\n\t\t\tkeyCode: domEvt.keyCode,\n\n\t\t\taltKey: domEvt.altKey,\n\t\t\tctrlKey: domEvt.ctrlKey || domEvt.metaKey,\n\t\t\tshiftKey: domEvt.shiftKey,\n\n\t\t\tget keystroke() {\n\t\t\t\treturn getCode( this );\n\t\t\t}\n\t\t} );\n\t}\n}\n\n/**\n * Fired when a key has been pressed.\n *\n * Introduced by {@link module:engine/view/observer/keyobserver~KeyObserver}.\n *\n * Note that because {@link module:engine/view/observer/keyobserver~KeyObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/keyobserver~KeyObserver\n * @event module:engine/view/document~Document#event:keydown\n * @param {module:engine/view/observer/keyobserver~KeyEventData} keyEventData\n */\n\n/**\n * Fired when a key has been released.\n *\n * Introduced by {@link module:engine/view/observer/keyobserver~KeyObserver}.\n *\n * Note that because {@link module:engine/view/observer/keyobserver~KeyObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/keyobserver~KeyObserver\n * @event module:engine/view/document~Document#event:keyup\n * @param {module:engine/view/observer/keyobserver~KeyEventData} keyEventData\n */\n\n/**\n * The value of both events - {@link module:engine/view/document~Document#event:keydown} and\n * {@link module:engine/view/document~Document#event:keyup}.\n *\n * @class module:engine/view/observer/keyobserver~KeyEventData\n * @extends module:engine/view/observer/domeventdata~DomEventData\n * @implements module:utils/keyboard~KeystrokeInfo\n */\n\n/**\n * Code of the whole keystroke. See {@link module:utils/keyboard~getCode}.\n *\n * @readonly\n * @member {Number} module:engine/view/observer/keyobserver~KeyEventData#keystroke\n */\n","import root from './_root.js';\n\n/**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n *   console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\nvar now = function() {\n  return root.Date.now();\n};\n\nexport default now;\n","import isObject from './isObject.js';\nimport isSymbol from './isSymbol.js';\n\n/** Used as references for various `Number` constants. */\nvar NAN = 0 / 0;\n\n/** Used to match leading and trailing whitespace. */\nvar reTrim = /^\\s+|\\s+$/g;\n\n/** Used to detect bad signed hexadecimal string values. */\nvar reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n/** Used to detect binary string values. */\nvar reIsBinary = /^0b[01]+$/i;\n\n/** Used to detect octal string values. */\nvar reIsOctal = /^0o[0-7]+$/i;\n\n/** Built-in method references without a dependency on `root`. */\nvar freeParseInt = parseInt;\n\n/**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\nfunction toNumber(value) {\n  if (typeof value == 'number') {\n    return value;\n  }\n  if (isSymbol(value)) {\n    return NAN;\n  }\n  if (isObject(value)) {\n    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n    value = isObject(other) ? (other + '') : other;\n  }\n  if (typeof value != 'string') {\n    return value === 0 ? value : +value;\n  }\n  value = value.replace(reTrim, '');\n  var isBinary = reIsBinary.test(value);\n  return (isBinary || reIsOctal.test(value))\n    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n    : (reIsBadHex.test(value) ? NAN : +value);\n}\n\nexport default toNumber;\n","import isObject from './isObject.js';\nimport now from './now.js';\nimport toNumber from './toNumber.js';\n\n/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max,\n    nativeMin = Math.min;\n\n/**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n *  Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n *  The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n *  Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n *   'leading': true,\n *   'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\nfunction debounce(func, wait, options) {\n  var lastArgs,\n      lastThis,\n      maxWait,\n      result,\n      timerId,\n      lastCallTime,\n      lastInvokeTime = 0,\n      leading = false,\n      maxing = false,\n      trailing = true;\n\n  if (typeof func != 'function') {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  wait = toNumber(wait) || 0;\n  if (isObject(options)) {\n    leading = !!options.leading;\n    maxing = 'maxWait' in options;\n    maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n    trailing = 'trailing' in options ? !!options.trailing : trailing;\n  }\n\n  function invokeFunc(time) {\n    var args = lastArgs,\n        thisArg = lastThis;\n\n    lastArgs = lastThis = undefined;\n    lastInvokeTime = time;\n    result = func.apply(thisArg, args);\n    return result;\n  }\n\n  function leadingEdge(time) {\n    // Reset any `maxWait` timer.\n    lastInvokeTime = time;\n    // Start the timer for the trailing edge.\n    timerId = setTimeout(timerExpired, wait);\n    // Invoke the leading edge.\n    return leading ? invokeFunc(time) : result;\n  }\n\n  function remainingWait(time) {\n    var timeSinceLastCall = time - lastCallTime,\n        timeSinceLastInvoke = time - lastInvokeTime,\n        timeWaiting = wait - timeSinceLastCall;\n\n    return maxing\n      ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n      : timeWaiting;\n  }\n\n  function shouldInvoke(time) {\n    var timeSinceLastCall = time - lastCallTime,\n        timeSinceLastInvoke = time - lastInvokeTime;\n\n    // Either this is the first call, activity has stopped and we're at the\n    // trailing edge, the system time has gone backwards and we're treating\n    // it as the trailing edge, or we've hit the `maxWait` limit.\n    return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n      (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n  }\n\n  function timerExpired() {\n    var time = now();\n    if (shouldInvoke(time)) {\n      return trailingEdge(time);\n    }\n    // Restart the timer.\n    timerId = setTimeout(timerExpired, remainingWait(time));\n  }\n\n  function trailingEdge(time) {\n    timerId = undefined;\n\n    // Only invoke if we have `lastArgs` which means `func` has been\n    // debounced at least once.\n    if (trailing && lastArgs) {\n      return invokeFunc(time);\n    }\n    lastArgs = lastThis = undefined;\n    return result;\n  }\n\n  function cancel() {\n    if (timerId !== undefined) {\n      clearTimeout(timerId);\n    }\n    lastInvokeTime = 0;\n    lastArgs = lastCallTime = lastThis = timerId = undefined;\n  }\n\n  function flush() {\n    return timerId === undefined ? result : trailingEdge(now());\n  }\n\n  function debounced() {\n    var time = now(),\n        isInvoking = shouldInvoke(time);\n\n    lastArgs = arguments;\n    lastThis = this;\n    lastCallTime = time;\n\n    if (isInvoking) {\n      if (timerId === undefined) {\n        return leadingEdge(lastCallTime);\n      }\n      if (maxing) {\n        // Handle invocations in a tight loop.\n        clearTimeout(timerId);\n        timerId = setTimeout(timerExpired, wait);\n        return invokeFunc(lastCallTime);\n      }\n    }\n    if (timerId === undefined) {\n      timerId = setTimeout(timerExpired, wait);\n    }\n    return result;\n  }\n  debounced.cancel = cancel;\n  debounced.flush = flush;\n  return debounced;\n}\n\nexport default debounce;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/fakeselectionobserver\n */\n\nimport Observer from './observer';\nimport ViewSelection from '../selection';\nimport { keyCodes, isArrowKeyCode } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport { debounce } from 'lodash-es';\n\n/**\n * Fake selection observer class. If view selection is fake it is placed in dummy DOM container. This observer listens\n * on {@link module:engine/view/document~Document#event:keydown keydown} events and handles moving fake view selection to the correct place\n * if arrow keys are pressed.\n * Fires {@link module:engine/view/document~Document#event:selectionChange selectionChange event} simulating natural behaviour of\n * {@link module:engine/view/observer/selectionobserver~SelectionObserver SelectionObserver}.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class FakeSelectionObserver extends Observer {\n\t/**\n\t * Creates new FakeSelectionObserver instance.\n\t *\n\t * @param {module:engine/view/view~View} view\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\t/**\n\t\t * Fires debounced event `selectionChangeDone`. It uses `lodash#debounce` method to delay function call.\n\t\t *\n\t\t * @private\n\t\t * @param {Object} data Selection change data.\n\t\t * @method #_fireSelectionChangeDoneDebounced\n\t\t */\n\t\tthis._fireSelectionChangeDoneDebounced = debounce( data => this.document.fire( 'selectionChangeDone', data ), 200 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve() {\n\t\tconst document = this.document;\n\n\t\tdocument.on( 'keydown', ( eventInfo, data ) => {\n\t\t\tconst selection = document.selection;\n\n\t\t\tif ( selection.isFake && isArrowKeyCode( data.keyCode ) && this.isEnabled ) {\n\t\t\t\t// Prevents default key down handling - no selection change will occur.\n\t\t\t\tdata.preventDefault();\n\n\t\t\t\tthis._handleSelectionMove( data.keyCode );\n\t\t\t}\n\t\t}, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis._fireSelectionChangeDoneDebounced.cancel();\n\t}\n\n\t/**\n\t * Handles collapsing view selection according to given key code. If left or up key is provided - new selection will be\n\t * collapsed to left. If right or down key is pressed - new selection will be collapsed to right.\n\t *\n\t * This method fires {@link module:engine/view/document~Document#event:selectionChange} and\n\t * {@link module:engine/view/document~Document#event:selectionChangeDone} events imitating behaviour of\n\t * {@link module:engine/view/observer/selectionobserver~SelectionObserver}.\n\t *\n\t * @private\n\t * @param {Number} keyCode\n\t * @fires module:engine/view/document~Document#event:selectionChange\n\t * @fires module:engine/view/document~Document#event:selectionChangeDone\n\t */\n\t_handleSelectionMove( keyCode ) {\n\t\tconst selection = this.document.selection;\n\t\tconst newSelection = new ViewSelection( selection.getRanges(), { backward: selection.isBackward, fake: false } );\n\n\t\t// Left or up arrow pressed - move selection to start.\n\t\tif ( keyCode == keyCodes.arrowleft || keyCode == keyCodes.arrowup ) {\n\t\t\tnewSelection.setTo( newSelection.getFirstPosition() );\n\t\t}\n\n\t\t// Right or down arrow pressed - move selection to end.\n\t\tif ( keyCode == keyCodes.arrowright || keyCode == keyCodes.arrowdown ) {\n\t\t\tnewSelection.setTo( newSelection.getLastPosition() );\n\t\t}\n\n\t\tconst data = {\n\t\t\toldSelection: selection,\n\t\t\tnewSelection,\n\t\t\tdomSelection: null\n\t\t};\n\n\t\t// Fire dummy selection change event.\n\t\tthis.document.fire( 'selectionChange', data );\n\n\t\t// Call` #_fireSelectionChangeDoneDebounced` every time when `selectionChange` event is fired.\n\t\t// This function is debounced what means that `selectionChangeDone` event will be fired only when\n\t\t// defined int the function time will elapse since the last time the function was called.\n\t\t// So `selectionChangeDone` will be fired when selection will stop changing.\n\t\tthis._fireSelectionChangeDoneDebounced( data );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/selectionobserver\n */\n\n/* global setInterval, clearInterval */\n\nimport Observer from './observer';\nimport MutationObserver from './mutationobserver';\nimport { debounce } from 'lodash-es';\n\n/**\n * Selection observer class observes selection changes in the document. If a selection changes on the document this\n * observer checks if there are any mutations and if the DOM selection is different from the\n * {@link module:engine/view/document~Document#selection view selection}. The selection observer fires\n * {@link module:engine/view/document~Document#event:selectionChange} event only if a selection change was the only change in the document\n * and the DOM selection is different then the view selection.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @see module:engine/view/observer/mutationobserver~MutationObserver\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class SelectionObserver extends Observer {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\t/**\n\t\t * Instance of the mutation observer. Selection observer calls\n\t\t * {@link module:engine/view/observer/mutationobserver~MutationObserver#flush} to ensure that the mutations will be handled\n\t\t * before the {@link module:engine/view/document~Document#event:selectionChange} event is fired.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/observer/mutationobserver~MutationObserver}\n\t\t * module:engine/view/observer/selectionobserver~SelectionObserver#mutationObserver\n\t\t */\n\t\tthis.mutationObserver = view.getObserver( MutationObserver );\n\n\t\t/**\n\t\t * Reference to the view {@link module:engine/view/documentselection~DocumentSelection} object used to compare\n\t\t * new selection with it.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/documentselection~DocumentSelection}\n\t\t * module:engine/view/observer/selectionobserver~SelectionObserver#selection\n\t\t */\n\t\tthis.selection = this.document.selection;\n\n\t\t/* eslint-disable max-len */\n\t\t/**\n\t\t * Reference to the {@link module:engine/view/view~View#domConverter}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/domconverter~DomConverter} module:engine/view/observer/selectionobserver~SelectionObserver#domConverter\n\t\t */\n\t\t/* eslint-enable max-len */\n\t\tthis.domConverter = view.domConverter;\n\n\t\t/**\n\t\t * A set of documents which have added `selectionchange` listener to avoid adding a listener twice to the same\n\t\t * document.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakSet.<Document>} module:engine/view/observer/selectionobserver~SelectionObserver#_documents\n\t\t */\n\t\tthis._documents = new WeakSet();\n\n\t\t/**\n\t\t * Fires debounced event `selectionChangeDone`. It uses `lodash#debounce` method to delay function call.\n\t\t *\n\t\t * @private\n\t\t * @param {Object} data Selection change data.\n\t\t * @method #_fireSelectionChangeDoneDebounced\n\t\t */\n\t\tthis._fireSelectionChangeDoneDebounced = debounce( data => this.document.fire( 'selectionChangeDone', data ), 200 );\n\n\t\tthis._clearInfiniteLoopInterval = setInterval( () => this._clearInfiniteLoop(), 1000 );\n\n\t\t/**\n\t\t * Private property to check if the code does not enter infinite loop.\n\t\t *\n\t\t * @private\n\t\t * @member {Number} module:engine/view/observer/selectionobserver~SelectionObserver#_loopbackCounter\n\t\t */\n\t\tthis._loopbackCounter = 0;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve( domElement ) {\n\t\tconst domDocument = domElement.ownerDocument;\n\n\t\t// Add listener once per each document.\n\t\tif ( this._documents.has( domDocument ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.listenTo( domDocument, 'selectionchange', ( evt, domEvent ) => {\n\t\t\tthis._handleSelectionChange( domEvent, domDocument );\n\t\t} );\n\n\t\tthis._documents.add( domDocument );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tclearInterval( this._clearInfiniteLoopInterval );\n\t\tthis._fireSelectionChangeDoneDebounced.cancel();\n\t}\n\n\t/**\n\t * Selection change listener. {@link module:engine/view/observer/mutationobserver~MutationObserver#flush Flush} mutations, check if\n\t * a selection changes and fires {@link module:engine/view/document~Document#event:selectionChange} event on every change\n\t * and {@link module:engine/view/document~Document#event:selectionChangeDone} when a selection stop changing.\n\t *\n\t * @private\n\t * @param {Event} domEvent DOM event.\n\t * @param {Document} domDocument DOM document.\n\t */\n\t_handleSelectionChange( domEvent, domDocument ) {\n\t\tif ( !this.isEnabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst domSelection = domDocument.defaultView.getSelection();\n\n\t\tif ( this.checkShouldIgnoreEventFromTarget( domSelection.anchorNode ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Ensure the mutation event will be before selection event on all browsers.\n\t\tthis.mutationObserver.flush();\n\n\t\t// If there were mutations then the view will be re-rendered by the mutation observer and the selection\n\t\t// will be updated, so the selections will equal and the event will not be fired, as expected.\n\t\tconst newViewSelection = this.domConverter.domSelectionToView( domSelection );\n\n\t\t// Do not convert selection change if the new view selection has no ranges in it.\n\t\t//\n\t\t// It means that the DOM selection is in some way incorrect. Ranges that were in the DOM selection could not be\n\t\t// converted to the view. This happens when the DOM selection was moved outside of the editable element.\n\t\tif ( newViewSelection.rangeCount == 0 ) {\n\t\t\tthis.view.hasDomSelection = false;\n\n\t\t\treturn;\n\t\t}\n\n\t\tthis.view.hasDomSelection = true;\n\n\t\tif ( this.selection.isEqual( newViewSelection ) && this.domConverter.isDomSelectionCorrect( domSelection ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Ensure we are not in the infinite loop (#400).\n\t\t// This counter is reset each second. 60 selection changes in 1 second is enough high number\n\t\t// to be very difficult (impossible) to achieve using just keyboard keys (during normal editor use).\n\t\tif ( ++this._loopbackCounter > 60 ) {\n\t\t\t// Selection change observer detected an infinite rendering loop.\n\t\t\t// Most probably you try to put the selection in the position which is not allowed\n\t\t\t// by the browser and browser fixes it automatically what causes `selectionchange` event on\n\t\t\t// which a loopback through a model tries to re-render the wrong selection and again.\n\t\t\t//\n\t\t\t// @if CK_DEBUG // console.warn( 'Selection change observer detected an infinite rendering loop.' );\n\n\t\t\treturn;\n\t\t}\n\n\t\tif ( this.selection.isSimilar( newViewSelection ) ) {\n\t\t\t// If selection was equal and we are at this point of algorithm, it means that it was incorrect.\n\t\t\t// Just re-render it, no need to fire any events, etc.\n\t\t\tthis.view.forceRender();\n\t\t} else {\n\t\t\tconst data = {\n\t\t\t\toldSelection: this.selection,\n\t\t\t\tnewSelection: newViewSelection,\n\t\t\t\tdomSelection\n\t\t\t};\n\n\t\t\t// Prepare data for new selection and fire appropriate events.\n\t\t\tthis.document.fire( 'selectionChange', data );\n\n\t\t\t// Call `#_fireSelectionChangeDoneDebounced` every time when `selectionChange` event is fired.\n\t\t\t// This function is debounced what means that `selectionChangeDone` event will be fired only when\n\t\t\t// defined int the function time will elapse since the last time the function was called.\n\t\t\t// So `selectionChangeDone` will be fired when selection will stop changing.\n\t\t\tthis._fireSelectionChangeDoneDebounced( data );\n\t\t}\n\t}\n\n\t/**\n\t * Clears `SelectionObserver` internal properties connected with preventing infinite loop.\n\t *\n\t * @protected\n\t */\n\t_clearInfiniteLoop() {\n\t\tthis._loopbackCounter = 0;\n\t}\n}\n\n/**\n * Fired when a selection has changed. This event is fired only when the selection change was the only change that happened\n * in the document, and the old selection is different then the new selection.\n *\n * Introduced by {@link module:engine/view/observer/selectionobserver~SelectionObserver}.\n *\n * Note that because {@link module:engine/view/observer/selectionobserver~SelectionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/selectionobserver~SelectionObserver\n * @event module:engine/view/document~Document#event:selectionChange\n * @param {Object} data\n * @param {module:engine/view/documentselection~DocumentSelection} data.oldSelection Old View selection which is\n * {@link module:engine/view/document~Document#selection}.\n * @param {module:engine/view/selection~Selection} data.newSelection New View selection which is converted DOM selection.\n * @param {Selection} data.domSelection Native DOM selection.\n */\n\n/**\n * Fired when selection stops changing.\n *\n * Introduced by {@link module:engine/view/observer/selectionobserver~SelectionObserver}.\n *\n * Note that because {@link module:engine/view/observer/selectionobserver~SelectionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/selectionobserver~SelectionObserver\n * @event module:engine/view/document~Document#event:selectionChangeDone\n * @param {Object} data\n * @param {module:engine/view/documentselection~DocumentSelection} data.oldSelection Old View selection which is\n * {@link module:engine/view/document~Document#selection}.\n * @param {module:engine/view/selection~Selection} data.newSelection New View selection which is converted DOM selection.\n * @param {Selection} data.domSelection Native DOM selection.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/focusobserver\n */\n\n/* globals setTimeout, clearTimeout */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * {@link module:engine/view/document~Document#event:focus Focus}\n * and {@link module:engine/view/document~Document#event:blur blur} events observer.\n * Focus observer handle also {@link module:engine/view/rooteditableelement~RootEditableElement#isFocused isFocused} property of the\n * {@link module:engine/view/rooteditableelement~RootEditableElement root elements}.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class FocusObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'focus', 'blur' ];\n\t\tthis.useCapture = true;\n\t\tconst document = this.document;\n\n\t\tdocument.on( 'focus', () => {\n\t\t\tdocument.isFocused = true;\n\n\t\t\t// Unfortunately native `selectionchange` event is fired asynchronously.\n\t\t\t// We need to wait until `SelectionObserver` handle the event and then render. Otherwise rendering will\n\t\t\t// overwrite new DOM selection with selection from the view.\n\t\t\t// See https://github.com/ckeditor/ckeditor5-engine/issues/795 for more details.\n\t\t\t// Long timeout is needed to solve #676 and https://github.com/ckeditor/ckeditor5-engine/issues/1157 issues.\n\t\t\tthis._renderTimeoutId = setTimeout( () => view.forceRender(), 50 );\n\t\t} );\n\n\t\tdocument.on( 'blur', ( evt, data ) => {\n\t\t\tconst selectedEditable = document.selection.editableElement;\n\n\t\t\tif ( selectedEditable === null || selectedEditable === data.target ) {\n\t\t\t\tdocument.isFocused = false;\n\n\t\t\t\t// Re-render the document to update view elements.\n\t\t\t\tview.forceRender();\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * Identifier of the timeout currently used by focus listener to delay rendering execution.\n\t\t *\n\t\t * @private\n\t\t * @member {Number} #_renderTimeoutId\n\t\t */\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tif ( this._renderTimeoutId ) {\n\t\t\tclearTimeout( this._renderTimeoutId );\n\t\t}\n\n\t\tsuper.destroy();\n\t}\n}\n\n/**\n * Fired when one of the editables gets focus.\n *\n * Introduced by {@link module:engine/view/observer/focusobserver~FocusObserver}.\n *\n * Note that because {@link module:engine/view/observer/focusobserver~FocusObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/focusobserver~FocusObserver\n * @event module:engine/view/document~Document#event:focus\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when one of the editables loses focus.\n *\n * Introduced by {@link module:engine/view/observer/focusobserver~FocusObserver}.\n *\n * Note that because {@link module:engine/view/observer/focusobserver~FocusObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/focusobserver~FocusObserver\n * @event module:engine/view/document~Document#event:blur\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/compositionobserver\n */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * {@link module:engine/view/document~Document#event:compositionstart Compositionstart},\n * {@link module:engine/view/document~Document#event:compositionupdate compositionupdate} and\n * {@link module:engine/view/document~Document#event:compositionend compositionend} events observer.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class CompositionObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'compositionstart', 'compositionupdate', 'compositionend' ];\n\t\tconst document = this.document;\n\n\t\tdocument.on( 'compositionstart', () => {\n\t\t\tdocument.isComposing = true;\n\t\t} );\n\n\t\tdocument.on( 'compositionend', () => {\n\t\t\tdocument.isComposing = false;\n\t\t} );\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired when composition starts inside one of the editables.\n *\n * Introduced by {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n *\n * Note that because {@link module:engine/view/observer/compositionobserver~CompositionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/compositionobserver~CompositionObserver\n * @event module:engine/view/document~Document#event:compositionstart\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when composition is updated inside one of the editables.\n *\n * Introduced by {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n *\n * Note that because {@link module:engine/view/observer/compositionobserver~CompositionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/compositionobserver~CompositionObserver\n * @event module:engine/view/document~Document#event:compositionupdate\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when composition ends inside one of the editables.\n *\n * Introduced by {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n *\n * Note that because {@link module:engine/view/observer/compositionobserver~CompositionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/compositionobserver~CompositionObserver\n * @event module:engine/view/document~Document#event:compositionend\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\n/**\n * @module engine/view/observer/inputobserver\n */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * Observer for events connected with data input.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class InputObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'beforeinput' ];\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired before browser inputs (or deletes) some data.\n *\n * This event is available only on browsers which support DOM `beforeinput` event.\n *\n * Introduced by {@link module:engine/view/observer/inputobserver~InputObserver}.\n *\n * Note that because {@link module:engine/view/observer/inputobserver~InputObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/inputobserver~InputObserver\n * @event module:engine/view/document~Document#event:beforeinput\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/isrange\n */\n\n/**\n * Checks if the object is a native DOM Range.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isRange( obj ) {\n\treturn Object.prototype.toString.apply( obj ) == '[object Range]';\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/getborderwidths\n */\n\n/**\n * Returns an object containing CSS border widths of a specified HTML element.\n *\n * @param {HTMLElement} element An element which has CSS borders.\n * @returns {Object} An object containing `top`, `left`, `right` and `bottom` properties\n * with numerical values of the `border-[top,left,right,bottom]-width` CSS styles.\n */\nexport default function getBorderWidths( element ) {\n\t// Call getComputedStyle on the window the element document belongs to.\n\tconst style = element.ownerDocument.defaultView.getComputedStyle( element );\n\n\treturn {\n\t\ttop: parseInt( style.borderTopWidth, 10 ),\n\t\tright: parseInt( style.borderRightWidth, 10 ),\n\t\tbottom: parseInt( style.borderBottomWidth, 10 ),\n\t\tleft: parseInt( style.borderLeftWidth, 10 )\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/rect\n */\n\nimport isRange from './isrange';\nimport isWindow from './iswindow';\nimport getBorderWidths from './getborderwidths';\nimport isText from './istext';\nimport { isElement } from 'lodash-es';\n\nconst rectProperties = [ 'top', 'right', 'bottom', 'left', 'width', 'height' ];\n\n/**\n * A helper class representing a `ClientRect` object, e.g. value returned by\n * the native `object.getBoundingClientRect()` method. Provides a set of methods\n * to manipulate the rect and compare it against other rect instances.\n */\nexport default class Rect {\n\t/**\n\t * Creates an instance of rect.\n\t *\n\t *\t\t// Rect of an HTMLElement.\n\t *\t\tconst rectA = new Rect( document.body );\n\t *\n\t *\t\t// Rect of a DOM Range.\n\t *\t\tconst rectB = new Rect( document.getSelection().getRangeAt( 0 ) );\n\t *\n\t *\t\t// Rect of a window (web browser viewport).\n\t *\t\tconst rectC = new Rect( window );\n\t *\n\t *\t\t// Rect out of an object.\n\t *\t\tconst rectD = new Rect( { top: 0, right: 10, bottom: 10, left: 0, width: 10, height: 10 } );\n\t *\n\t *\t\t// Rect out of another Rect instance.\n\t *\t\tconst rectE = new Rect( rectD );\n\t *\n\t *\t\t// Rect out of a ClientRect.\n\t *\t\tconst rectF = new Rect( document.body.getClientRects().item( 0 ) );\n\t *\n\t * **Note**: By default a rect of an HTML element includes its CSS borders and scrollbars (if any)\n\t * ant the rect of a `window` includes scrollbars too. Use {@link #excludeScrollbarsAndBorders}\n\t * to get the inner part of the rect.\n\t *\n\t * @param {HTMLElement|Range|Window|ClientRect|module:utils/dom/rect~Rect|Object} source A source object to create the rect.\n\t */\n\tconstructor( source ) {\n\t\tconst isSourceRange = isRange( source );\n\n\t\t/**\n\t\t * The object this rect is for.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @member {HTMLElement|Range|ClientRect|module:utils/dom/rect~Rect|Object} #_source\n\t\t */\n\t\tObject.defineProperty( this, '_source', {\n\t\t\t// If the source is a Rect instance, copy it's #_source.\n\t\t\tvalue: source._source || source,\n\t\t\twritable: true,\n\t\t\tenumerable: false\n\t\t} );\n\n\t\tif ( isElement( source ) || isSourceRange ) {\n\t\t\t// The `Rect` class depends on `getBoundingClientRect` and `getClientRects` DOM methods. If the source\n\t\t\t// of a rect in an HTML element or a DOM range but it does not belong to any rendered DOM tree, these methods\n\t\t\t// will fail to obtain the geometry and the rect instance makes little sense to the features using it.\n\t\t\t// To get rid of this warning make sure the source passed to the constructor is a descendant of `window.document.body`.\n\t\t\t// @if CK_DEBUG // const sourceNode = isSourceRange ? source.startContainer : source;\n\t\t\t// @if CK_DEBUG // if ( !sourceNode.ownerDocument || !sourceNode.ownerDocument.body.contains( sourceNode ) ) {\n\t\t\t// @if CK_DEBUG // \tconsole.warn(\n\t\t\t// @if CK_DEBUG // \t\t'rect-source-not-in-dom: The source of this rect does not belong to any rendered DOM tree.',\n\t\t\t// @if CK_DEBUG // \t\t{ source } );\n\t\t\t// @if CK_DEBUG // }\n\n\t\t\tif ( isSourceRange ) {\n\t\t\t\tconst rangeRects = Rect.getDomRangeRects( source );\n\t\t\t\tcopyRectProperties( this, Rect.getBoundingRect( rangeRects ) );\n\t\t\t} else {\n\t\t\t\tcopyRectProperties( this, source.getBoundingClientRect() );\n\t\t\t}\n\t\t} else if ( isWindow( source ) ) {\n\t\t\tconst { innerWidth, innerHeight } = source;\n\n\t\t\tcopyRectProperties( this, {\n\t\t\t\ttop: 0,\n\t\t\t\tright: innerWidth,\n\t\t\t\tbottom: innerHeight,\n\t\t\t\tleft: 0,\n\t\t\t\twidth: innerWidth,\n\t\t\t\theight: innerHeight\n\t\t\t} );\n\t\t} else {\n\t\t\tcopyRectProperties( this, source );\n\t\t}\n\n\t\t/**\n\t\t * The \"top\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #top\n\t\t */\n\n\t\t/**\n\t\t * The \"right\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #right\n\t\t */\n\n\t\t/**\n\t\t * The \"bottom\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #bottom\n\t\t */\n\n\t\t/**\n\t\t * The \"left\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #left\n\t\t */\n\n\t\t/**\n\t\t * The \"width\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #width\n\t\t */\n\n\t\t/**\n\t\t * The \"height\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #height\n\t\t */\n\t}\n\n\t/**\n\t * Returns a clone of the rect.\n\t *\n\t * @returns {module:utils/dom/rect~Rect} A cloned rect.\n\t */\n\tclone() {\n\t\treturn new Rect( this );\n\t}\n\n\t/**\n\t * Moves the rect so that its upper–left corner lands in desired `[ x, y ]` location.\n\t *\n\t * @param {Number} x Desired horizontal location.\n\t * @param {Number} y Desired vertical location.\n\t * @returns {module:utils/dom/rect~Rect} A rect which has been moved.\n\t */\n\tmoveTo( x, y ) {\n\t\tthis.top = y;\n\t\tthis.right = x + this.width;\n\t\tthis.bottom = y + this.height;\n\t\tthis.left = x;\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Moves the rect in–place by a dedicated offset.\n\t *\n\t * @param {Number} x A horizontal offset.\n\t * @param {Number} y A vertical offset\n\t * @returns {module:utils/dom/rect~Rect} A rect which has been moved.\n\t */\n\tmoveBy( x, y ) {\n\t\tthis.top += y;\n\t\tthis.right += x;\n\t\tthis.left += x;\n\t\tthis.bottom += y;\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Returns a new rect a a result of intersection with another rect.\n\t *\n\t * @param {module:utils/dom/rect~Rect} anotherRect\n\t * @returns {module:utils/dom/rect~Rect}\n\t */\n\tgetIntersection( anotherRect ) {\n\t\tconst rect = {\n\t\t\ttop: Math.max( this.top, anotherRect.top ),\n\t\t\tright: Math.min( this.right, anotherRect.right ),\n\t\t\tbottom: Math.min( this.bottom, anotherRect.bottom ),\n\t\t\tleft: Math.max( this.left, anotherRect.left )\n\t\t};\n\n\t\trect.width = rect.right - rect.left;\n\t\trect.height = rect.bottom - rect.top;\n\n\t\tif ( rect.width < 0 || rect.height < 0 ) {\n\t\t\treturn null;\n\t\t} else {\n\t\t\treturn new Rect( rect );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the area of intersection with another rect.\n\t *\n\t * @param {module:utils/dom/rect~Rect} anotherRect [description]\n\t * @returns {Number} Area of intersection.\n\t */\n\tgetIntersectionArea( anotherRect ) {\n\t\tconst rect = this.getIntersection( anotherRect );\n\n\t\tif ( rect ) {\n\t\t\treturn rect.getArea();\n\t\t} else {\n\t\t\treturn 0;\n\t\t}\n\t}\n\n\t/**\n\t * Returns the area of the rect.\n\t *\n\t * @returns {Number}\n\t */\n\tgetArea() {\n\t\treturn this.width * this.height;\n\t}\n\n\t/**\n\t * Returns a new rect, a part of the original rect, which is actually visible to the user,\n\t * e.g. an original rect cropped by parent element rects which have `overflow` set in CSS\n\t * other than `\"visible\"`.\n\t *\n\t * If there's no such visible rect, which is when the rect is limited by one or many of\n\t * the ancestors, `null` is returned.\n\t *\n\t * @returns {module:utils/dom/rect~Rect|null} A visible rect instance or `null`, if there's none.\n\t */\n\tgetVisible() {\n\t\tconst source = this._source;\n\t\tlet visibleRect = this.clone();\n\n\t\t// There's no ancestor to crop <body> with the overflow.\n\t\tif ( !isBody( source ) ) {\n\t\t\tlet parent = source.parentNode || source.commonAncestorContainer;\n\n\t\t\t// Check the ancestors all the way up to the <body>.\n\t\t\twhile ( parent && !isBody( parent ) ) {\n\t\t\t\tconst parentRect = new Rect( parent );\n\t\t\t\tconst intersectionRect = visibleRect.getIntersection( parentRect );\n\n\t\t\t\tif ( intersectionRect ) {\n\t\t\t\t\tif ( intersectionRect.getArea() < visibleRect.getArea() ) {\n\t\t\t\t\t\t// Reduce the visible rect to the intersection.\n\t\t\t\t\t\tvisibleRect = intersectionRect;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t// There's no intersection, the rect is completely invisible.\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tparent = parent.parentNode;\n\t\t\t}\n\t\t}\n\n\t\treturn visibleRect;\n\t}\n\n\t/**\n\t * Checks if all property values ({@link #top}, {@link #left}, {@link #right},\n\t * {@link #bottom}, {@link #width} and {@link #height}) are the equal in both rect\n\t * instances.\n\t *\n\t * @param {module:utils/dom/rect~Rect} rect A rect instance to compare with.\n\t * @returns {Boolean} `true` when Rects are equal. `false` otherwise.\n\t */\n\tisEqual( anotherRect ) {\n\t\tfor ( const prop of rectProperties ) {\n\t\t\tif ( this[ prop ] !== anotherRect[ prop ] ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Checks whether a rect fully contains another rect instance.\n\t *\n\t * @param {module:utils/dom/rect~Rect} anotherRect\n\t * @returns {Boolean} `true` if contains, `false` otherwise.\n\t */\n\tcontains( anotherRect ) {\n\t\tconst intersectRect = this.getIntersection( anotherRect );\n\n\t\treturn !!( intersectRect && intersectRect.isEqual( anotherRect ) );\n\t}\n\n\t/**\n\t * Excludes scrollbars and CSS borders from the rect.\n\t *\n\t * * Borders are removed when {@link #_source} is an HTML element.\n\t * * Scrollbars are excluded from HTML elements and the `window`.\n\t *\n\t * @returns {module:utils/dom/rect~Rect} A rect which has been updated.\n\t */\n\texcludeScrollbarsAndBorders() {\n\t\tconst source = this._source;\n\t\tlet scrollBarWidth, scrollBarHeight, direction;\n\n\t\tif ( isWindow( source ) ) {\n\t\t\tscrollBarWidth = source.innerWidth - source.document.documentElement.clientWidth;\n\t\t\tscrollBarHeight = source.innerHeight - source.document.documentElement.clientHeight;\n\t\t\tdirection = source.getComputedStyle( source.document.documentElement ).direction;\n\t\t} else {\n\t\t\tconst borderWidths = getBorderWidths( this._source );\n\n\t\t\tscrollBarWidth = source.offsetWidth - source.clientWidth - borderWidths.left - borderWidths.right;\n\t\t\tscrollBarHeight = source.offsetHeight - source.clientHeight - borderWidths.top - borderWidths.bottom;\n\t\t\tdirection = source.ownerDocument.defaultView.getComputedStyle( source ).direction;\n\n\t\t\tthis.left += borderWidths.left;\n\t\t\tthis.top += borderWidths.top;\n\t\t\tthis.right -= borderWidths.right;\n\t\t\tthis.bottom -= borderWidths.bottom;\n\t\t\tthis.width = this.right - this.left;\n\t\t\tthis.height = this.bottom - this.top;\n\t\t}\n\n\t\tthis.width -= scrollBarWidth;\n\n\t\tif ( direction === 'ltr' ) {\n\t\t\tthis.right -= scrollBarWidth;\n\t\t} else {\n\t\t\tthis.left += scrollBarWidth;\n\t\t}\n\n\t\tthis.height -= scrollBarHeight;\n\t\tthis.bottom -= scrollBarHeight;\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Returns an array of rects of the given native DOM Range.\n\t *\n\t * @param {Range} range A native DOM range.\n\t * @returns {Array.<module:utils/dom/rect~Rect>} DOM Range rects.\n\t */\n\tstatic getDomRangeRects( range ) {\n\t\tconst rects = [];\n\t\t// Safari does not iterate over ClientRectList using for...of loop.\n\t\tconst clientRects = Array.from( range.getClientRects() );\n\n\t\tif ( clientRects.length ) {\n\t\t\tfor ( const rect of clientRects ) {\n\t\t\t\trects.push( new Rect( rect ) );\n\t\t\t}\n\t\t}\n\t\t// If there's no client rects for the Range, use parent container's bounding rect\n\t\t// instead and adjust rect's width to simulate the actual geometry of such range.\n\t\t// https://github.com/ckeditor/ckeditor5-utils/issues/153\n\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/317\n\t\telse {\n\t\t\tlet startContainer = range.startContainer;\n\n\t\t\tif ( isText( startContainer ) ) {\n\t\t\t\tstartContainer = startContainer.parentNode;\n\t\t\t}\n\n\t\t\tconst rect = new Rect( startContainer.getBoundingClientRect() );\n\t\t\trect.right = rect.left;\n\t\t\trect.width = 0;\n\n\t\t\trects.push( rect );\n\t\t}\n\n\t\treturn rects;\n\t}\n\n\t/**\n\t * Returns a bounding rectangle that contains all the given `rects`.\n\t *\n\t * @param {Iterable.<module:utils/dom/rect~Rect>} rects A list of rectangles that should be contained in the result rectangle.\n\t * @returns {module:utils/dom/rect~Rect|null} Bounding rectangle or `null` if no `rects` were given.\n\t */\n\tstatic getBoundingRect( rects ) {\n\t\tconst boundingRectData = {\n\t\t\tleft: Number.POSITIVE_INFINITY,\n\t\t\ttop: Number.POSITIVE_INFINITY,\n\t\t\tright: Number.NEGATIVE_INFINITY,\n\t\t\tbottom: Number.NEGATIVE_INFINITY\n\t\t};\n\t\tlet rectangleCount = 0;\n\n\t\tfor ( const rect of rects ) {\n\t\t\trectangleCount++;\n\n\t\t\tboundingRectData.left = Math.min( boundingRectData.left, rect.left );\n\t\t\tboundingRectData.top = Math.min( boundingRectData.top, rect.top );\n\t\t\tboundingRectData.right = Math.max( boundingRectData.right, rect.right );\n\t\t\tboundingRectData.bottom = Math.max( boundingRectData.bottom, rect.bottom );\n\t\t}\n\n\t\tif ( rectangleCount == 0 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tboundingRectData.width = boundingRectData.right - boundingRectData.left;\n\t\tboundingRectData.height = boundingRectData.bottom - boundingRectData.top;\n\n\t\treturn new Rect( boundingRectData );\n\t}\n}\n\n// Acquires all the rect properties from the passed source.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} rect\n// @param {ClientRect|module:utils/dom/rect~Rect|Object} source\nfunction copyRectProperties( rect, source ) {\n\tfor ( const p of rectProperties ) {\n\t\trect[ p ] = source[ p ];\n\t}\n}\n\n// Checks if provided object is a <body> HTML element.\n//\n// @private\n// @param {HTMLElement|Range} elementOrRange\n// @returns {Boolean}\nfunction isBody( elementOrRange ) {\n\tif ( !isElement( elementOrRange ) ) {\n\t\treturn false;\n\t}\n\n\treturn elementOrRange === elementOrRange.ownerDocument.body;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/scroll\n */\n\nimport isRange from './isrange';\nimport Rect from './rect';\nimport isText from './istext';\n\nconst utils = {};\n\n/**\n * Makes any page `HTMLElement` or `Range` (`target`) visible inside the browser viewport.\n * This helper will scroll all `target` ancestors and the web browser viewport to reveal the target to\n * the user. If the `target` is already visible, nothing will happen.\n *\n * @param {HTMLElement|Range} options.target A target, which supposed to become visible to the user.\n * @param {Number} [options.viewportOffset] An offset from the edge of the viewport (in pixels)\n * the `target` will be moved by when the viewport is scrolled. It enhances the user experience\n * by keeping the `target` some distance from the edge of the viewport and thus making it easier to\n * read or edit by the user.\n */\nexport function scrollViewportToShowTarget( { target, viewportOffset = 0 } ) {\n\tconst targetWindow = getWindow( target );\n\tlet currentWindow = targetWindow;\n\tlet currentFrame = null;\n\n\t// Iterate over all windows, starting from target's parent window up to window#top.\n\twhile ( currentWindow ) {\n\t\tlet firstAncestorToScroll;\n\n\t\t// Let's scroll target's ancestors first to reveal it. Then, once the ancestor scrolls\n\t\t// settled down, the algorithm can eventually scroll the viewport of the current window.\n\t\t//\n\t\t// Note: If the current window is target's **original** window (e.g. the first one),\n\t\t// start scrolling the closest parent of the target. If not, scroll the closest parent\n\t\t// of an iframe that resides in the current window.\n\t\tif ( currentWindow == targetWindow ) {\n\t\t\tfirstAncestorToScroll = getParentElement( target );\n\t\t} else {\n\t\t\tfirstAncestorToScroll = getParentElement( currentFrame );\n\t\t}\n\n\t\t// Scroll the target's ancestors first. Once done, scrolling the viewport is easy.\n\t\tscrollAncestorsToShowRect( firstAncestorToScroll, () => {\n\t\t\t// Note: If the target does not belong to the current window **directly**,\n\t\t\t// i.e. it resides in an iframe belonging to the window, obtain the target's rect\n\t\t\t// in the coordinates of the current window. By default, a Rect returns geometry\n\t\t\t// relative to the current window's viewport. To make it work in a parent window,\n\t\t\t// it must be shifted.\n\t\t\treturn getRectRelativeToWindow( target, currentWindow );\n\t\t} );\n\n\t\t// Obtain the rect of the target after it has been scrolled within its ancestors.\n\t\t// It's time to scroll the viewport.\n\t\tconst targetRect = getRectRelativeToWindow( target, currentWindow );\n\n\t\tscrollWindowToShowRect( currentWindow, targetRect, viewportOffset );\n\n\t\tif ( currentWindow.parent != currentWindow ) {\n\t\t\t// Keep the reference to the <iframe> element the \"previous current window\" was\n\t\t\t// rendered within. It will be useful to re–calculate the rect of the target\n\t\t\t// in the parent window's relative geometry. The target's rect must be shifted\n\t\t\t// by it's iframe's position.\n\t\t\tcurrentFrame = currentWindow.frameElement;\n\t\t\tcurrentWindow = currentWindow.parent;\n\n\t\t\t// If the current window has some parent but frameElement is inaccessible, then they have\n\t\t\t// different domains/ports and, due to security reasons, accessing and scrolling\n\t\t\t// the parent window won't be possible.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/issues/930.\n\t\t\tif ( !currentFrame ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t} else {\n\t\t\tcurrentWindow = null;\n\t\t}\n\t}\n}\n\n/**\n * Makes any page `HTMLElement` or `Range` (target) visible within its scrollable ancestors,\n * e.g. if they have `overflow: scroll` CSS style.\n *\n * @param {HTMLElement|Range} target A target, which supposed to become visible to the user.\n */\nexport function scrollAncestorsToShowTarget( target ) {\n\tconst targetParent = getParentElement( target );\n\n\tscrollAncestorsToShowRect( targetParent, () => {\n\t\treturn new Rect( target );\n\t} );\n}\n\n// TODO: Using a property value shorthand in the top of the file\n// causes JSDoc to throw errors. See https://github.com/cksource/docs-builder/issues/75.\nObject.assign( utils, {\n\tscrollViewportToShowTarget,\n\tscrollAncestorsToShowTarget\n} );\n\n// Makes a given rect visible within its parent window.\n//\n// Note: Avoid the situation where the caret is still in the viewport, but totally\n// at the edge of it. In such situation, if it moved beyond the viewport in the next\n// action e.g. after paste, the scrolling would move it to the viewportOffset level\n// and it all would look like the caret visually moved up/down:\n//\n// 1.\n//\t\t| foo[]\n//\t\t|                                    <--- N px of space below the caret\n//\t\t+---------------------------------...\n//\n// 2. *paste*\n// 3.\n//\t\t|\n//\t\t|\n//\t\t+-foo-----------------------------...\n//\t\t  bar[]                              <--- caret below viewport, scrolling...\n//\n// 4. *scrolling*\n// 5.\n//\t\t|\n//\t\t| foo\n//\t\t| bar[]                              <--- caret precisely at the edge\n//\t\t+---------------------------------...\n//\n// To prevent this, this method checks the rects moved by the viewportOffset to cover\n// the upper/lower edge of the viewport. It makes sure if the action repeats, there's\n// no twitching – it's a purely visual improvement:\n//\n// 5. (after fix)\n//\t\t|\n//\t\t| foo\n//\t\t| bar[]\n//\t\t|                                    <--- N px of space below the caret\n//\t\t+---------------------------------...\n//\n// @private\n// @param {Window} window A window which is scrolled to reveal the rect.\n// @param {module:utils/dom/rect~Rect} rect A rect which is to be revealed.\n// @param {Number} viewportOffset See scrollViewportToShowTarget.\nfunction scrollWindowToShowRect( window, rect, viewportOffset ) {\n\tconst targetShiftedDownRect = rect.clone().moveBy( 0, viewportOffset );\n\tconst targetShiftedUpRect = rect.clone().moveBy( 0, -viewportOffset );\n\tconst viewportRect = new Rect( window ).excludeScrollbarsAndBorders();\n\n\tconst rects = [ targetShiftedUpRect, targetShiftedDownRect ];\n\n\tif ( !rects.every( rect => viewportRect.contains( rect ) ) ) {\n\t\tlet { scrollX, scrollY } = window;\n\n\t\tif ( isAbove( targetShiftedUpRect, viewportRect ) ) {\n\t\t\tscrollY -= viewportRect.top - rect.top + viewportOffset;\n\t\t} else if ( isBelow( targetShiftedDownRect, viewportRect ) ) {\n\t\t\tscrollY += rect.bottom - viewportRect.bottom + viewportOffset;\n\t\t}\n\n\t\t// TODO: Web browsers scroll natively to place the target in the middle\n\t\t// of the viewport. It's not a very popular case, though.\n\t\tif ( isLeftOf( rect, viewportRect ) ) {\n\t\t\tscrollX -= viewportRect.left - rect.left + viewportOffset;\n\t\t} else if ( isRightOf( rect, viewportRect ) ) {\n\t\t\tscrollX += rect.right - viewportRect.right + viewportOffset;\n\t\t}\n\n\t\twindow.scrollTo( scrollX, scrollY );\n\t}\n}\n\n// Recursively scrolls element ancestors to visually reveal a rect.\n//\n// @private\n// @param {HTMLElement} A parent The first ancestors to start scrolling.\n// @param {Function} getRect A function which returns the Rect, which is to be revealed.\nfunction scrollAncestorsToShowRect( parent, getRect ) {\n\tconst parentWindow = getWindow( parent );\n\tlet parentRect, targetRect;\n\n\twhile ( parent != parentWindow.document.body ) {\n\t\ttargetRect = getRect();\n\t\tparentRect = new Rect( parent ).excludeScrollbarsAndBorders();\n\n\t\tif ( !parentRect.contains( targetRect ) ) {\n\t\t\tif ( isAbove( targetRect, parentRect ) ) {\n\t\t\t\tparent.scrollTop -= parentRect.top - targetRect.top;\n\t\t\t} else if ( isBelow( targetRect, parentRect ) ) {\n\t\t\t\tparent.scrollTop += targetRect.bottom - parentRect.bottom;\n\t\t\t}\n\n\t\t\tif ( isLeftOf( targetRect, parentRect ) ) {\n\t\t\t\tparent.scrollLeft -= parentRect.left - targetRect.left;\n\t\t\t} else if ( isRightOf( targetRect, parentRect ) ) {\n\t\t\t\tparent.scrollLeft += targetRect.right - parentRect.right;\n\t\t\t}\n\t\t}\n\n\t\tparent = parent.parentNode;\n\t}\n}\n\n// Determines if a given `Rect` extends beyond the bottom edge of the second `Rect`.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} firstRect\n// @param {module:utils/dom/rect~Rect} secondRect\nfunction isBelow( firstRect, secondRect ) {\n\treturn firstRect.bottom > secondRect.bottom;\n}\n\n// Determines if a given `Rect` extends beyond the top edge of the second `Rect`.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} firstRect\n// @param {module:utils/dom/rect~Rect} secondRect\nfunction isAbove( firstRect, secondRect ) {\n\treturn firstRect.top < secondRect.top;\n}\n\n// Determines if a given `Rect` extends beyond the left edge of the second `Rect`.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} firstRect\n// @param {module:utils/dom/rect~Rect} secondRect\nfunction isLeftOf( firstRect, secondRect ) {\n\treturn firstRect.left < secondRect.left;\n}\n\n// Determines if a given `Rect` extends beyond the right edge of the second `Rect`.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} firstRect\n// @param {module:utils/dom/rect~Rect} secondRect\nfunction isRightOf( firstRect, secondRect ) {\n\treturn firstRect.right > secondRect.right;\n}\n\n// Returns the closest window of an element or range.\n//\n// @private\n// @param {HTMLElement|Range} firstRect\n// @returns {Window}\nfunction getWindow( elementOrRange ) {\n\tif ( isRange( elementOrRange ) ) {\n\t\treturn elementOrRange.startContainer.ownerDocument.defaultView;\n\t} else {\n\t\treturn elementOrRange.ownerDocument.defaultView;\n\t}\n}\n\n// Returns the closest parent of an element or DOM range.\n//\n// @private\n// @param {HTMLElement|Range} firstRect\n// @returns {HTMLelement}\nfunction getParentElement( elementOrRange ) {\n\tif ( isRange( elementOrRange ) ) {\n\t\tlet parent = elementOrRange.commonAncestorContainer;\n\n\t\t// If a Range is attached to the Text, use the closest element ancestor.\n\t\tif ( isText( parent ) ) {\n\t\t\tparent = parent.parentNode;\n\t\t}\n\n\t\treturn parent;\n\t} else {\n\t\treturn elementOrRange.parentNode;\n\t}\n}\n\n// Returns the rect of an element or range residing in an iframe.\n// The result rect is relative to the geometry of the passed window instance.\n//\n// @private\n// @param {HTMLElement|Range} target Element or range which rect should be returned.\n// @param {Window} relativeWindow A window the rect should be relative to.\n// @returns {module:utils/dom/rect~Rect}\nfunction getRectRelativeToWindow( target, relativeWindow ) {\n\tconst targetWindow = getWindow( target );\n\tconst rect = new Rect( target );\n\n\tif ( targetWindow === relativeWindow ) {\n\t\treturn rect;\n\t} else {\n\t\tlet currentWindow = targetWindow;\n\n\t\twhile ( currentWindow != relativeWindow ) {\n\t\t\tconst frame = currentWindow.frameElement;\n\t\t\tconst frameRect = new Rect( frame ).excludeScrollbarsAndBorders();\n\n\t\t\trect.moveBy( frameRect.left, frameRect.top );\n\n\t\t\tcurrentWindow = currentWindow.parent;\n\t\t}\n\t}\n\n\treturn rect;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/view\n */\n\nimport Document from './document';\nimport DowncastWriter from './downcastwriter';\nimport Renderer from './renderer';\nimport DomConverter from './domconverter';\nimport Position from './position';\nimport Range from './range';\nimport Selection from './selection';\n\nimport MutationObserver from './observer/mutationobserver';\nimport KeyObserver from './observer/keyobserver';\nimport FakeSelectionObserver from './observer/fakeselectionobserver';\nimport SelectionObserver from './observer/selectionobserver';\nimport FocusObserver from './observer/focusobserver';\nimport CompositionObserver from './observer/compositionobserver';\nimport InputObserver from './observer/inputobserver';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { scrollViewportToShowTarget } from '@ckeditor/ckeditor5-utils/src/dom/scroll';\nimport { injectUiElementHandling } from './uielement';\nimport { injectQuirksHandling } from './filler';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\n/**\n * Editor's view controller class. Its main responsibility is DOM - View management for editing purposes, to provide\n * abstraction over the DOM structure and events and hide all browsers quirks.\n *\n * View controller renders view document to DOM whenever view structure changes. To determine when view can be rendered,\n * all changes need to be done using the {@link module:engine/view/view~View#change} method, using\n * {@link module:engine/view/downcastwriter~DowncastWriter}:\n *\n *\t\tview.change( writer => {\n *\t\t\twriter.insert( position, writer.createText( 'foo' ) );\n *\t\t} );\n *\n * View controller also register {@link module:engine/view/observer/observer~Observer observers} which observes changes\n * on DOM and fire events on the {@link module:engine/view/document~Document Document}.\n * Note that the following observers are added by the class constructor and are always available:\n *\n * * {@link module:engine/view/observer/mutationobserver~MutationObserver},\n * * {@link module:engine/view/observer/selectionobserver~SelectionObserver},\n * * {@link module:engine/view/observer/focusobserver~FocusObserver},\n * * {@link module:engine/view/observer/keyobserver~KeyObserver},\n * * {@link module:engine/view/observer/fakeselectionobserver~FakeSelectionObserver}.\n * * {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n *\n * This class also {@link module:engine/view/view~View#attachDomRoot binds the DOM and the view elements}.\n *\n * If you do not need full a DOM - view management, and only want to transform a tree of view elements to a tree of DOM\n * elements you do not need this controller. You can use the {@link module:engine/view/domconverter~DomConverter DomConverter} instead.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class View {\n\t/**\n\t * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor The styles processor instance.\n\t */\n\tconstructor( stylesProcessor ) {\n\t\t/**\n\t\t * Instance of the {@link module:engine/view/document~Document} associated with this view controller.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = new Document( stylesProcessor );\n\n\t\t/**\n\t\t * Instance of the {@link module:engine/view/domconverter~DomConverter domConverter} used by\n\t\t * {@link module:engine/view/view~View#_renderer renderer}\n\t\t * and {@link module:engine/view/observer/observer~Observer observers}.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/view/domconverter~DomConverter}\n\t\t */\n\t\tthis.domConverter = new DomConverter( this.document );\n\n\t\t/**\n\t\t * Roots of the DOM tree. Map on the `HTMLElement`s with roots names as keys.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Map.<String, HTMLElement>}\n\t\t */\n\t\tthis.domRoots = new Map();\n\n\t\t/**\n\t\t * Used to prevent calling {@link #forceRender} and {@link #change} during rendering view to the DOM.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isRenderingInProgress\n\t\t */\n\t\tthis.set( 'isRenderingInProgress', false );\n\n\t\t/**\n\t\t * Informs whether the DOM selection is inside any of the DOM roots managed by the view.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #hasDomSelection\n\t\t */\n\t\tthis.set( 'hasDomSelection', false );\n\n\t\t/**\n\t\t * Instance of the {@link module:engine/view/renderer~Renderer renderer}.\n\t\t *\n\t\t * @protected\n\t\t * @type {module:engine/view/renderer~Renderer}\n\t\t */\n\t\tthis._renderer = new Renderer( this.domConverter, this.document.selection );\n\t\tthis._renderer.bind( 'isFocused' ).to( this.document );\n\n\t\t/**\n\t\t * A DOM root attributes cache. It saves the initial values of DOM root attributes before the DOM element\n\t\t * is {@link module:engine/view/view~View#attachDomRoot attached} to the view so later on, when\n\t\t * the view is destroyed ({@link module:engine/view/view~View#detachDomRoot}), they can be easily restored.\n\t\t * This way, the DOM element can go back to the (clean) state as if the editing view never used it.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap.<HTMLElement,Object>}\n\t\t */\n\t\tthis._initialDomRootAttributes = new WeakMap();\n\n\t\t/**\n\t\t * Map of registered {@link module:engine/view/observer/observer~Observer observers}.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<Function, module:engine/view/observer/observer~Observer>}\n\t\t */\n\t\tthis._observers = new Map();\n\n\t\t/**\n\t\t * Is set to `true` when {@link #change view changes} are currently in progress.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._ongoingChange = false;\n\n\t\t/**\n\t\t * Used to prevent calling {@link #forceRender} and {@link #change} during rendering view to the DOM.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._postFixersInProgress = false;\n\n\t\t/**\n\t\t * Internal flag to temporary disable rendering. See the usage in the {@link #_disableRendering}.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._renderingDisabled = false;\n\n\t\t/**\n\t\t * Internal flag that disables rendering when there are no changes since the last rendering.\n\t\t * It stores information about changed selection and changed elements from attached document roots.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._hasChangedSinceTheLastRendering = false;\n\n\t\t/**\n\t\t * DowncastWriter instance used in {@link #change change method} callbacks.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/view/downcastwriter~DowncastWriter}\n\t\t */\n\t\tthis._writer = new DowncastWriter( this.document );\n\n\t\t// Add default observers.\n\t\tthis.addObserver( MutationObserver );\n\t\tthis.addObserver( SelectionObserver );\n\t\tthis.addObserver( FocusObserver );\n\t\tthis.addObserver( KeyObserver );\n\t\tthis.addObserver( FakeSelectionObserver );\n\t\tthis.addObserver( CompositionObserver );\n\n\t\tif ( env.isAndroid ) {\n\t\t\tthis.addObserver( InputObserver );\n\t\t}\n\n\t\t// Inject quirks handlers.\n\t\tinjectQuirksHandling( this );\n\t\tinjectUiElementHandling( this );\n\n\t\t// Use 'normal' priority so that rendering is performed as first when using that priority.\n\t\tthis.on( 'render', () => {\n\t\t\tthis._render();\n\n\t\t\t// Informs that layout has changed after render.\n\t\t\tthis.document.fire( 'layoutChanged' );\n\n\t\t\t// Reset the `_hasChangedSinceTheLastRendering` flag after rendering.\n\t\t\tthis._hasChangedSinceTheLastRendering = false;\n\t\t} );\n\n\t\t// Listen to the document selection changes directly.\n\t\tthis.listenTo( this.document.selection, 'change', () => {\n\t\t\tthis._hasChangedSinceTheLastRendering = true;\n\t\t} );\n\t}\n\n\t/**\n\t * Attaches a DOM root element to the view element and enable all observers on that element.\n\t * Also {@link module:engine/view/renderer~Renderer#markToSync mark element} to be synchronized\n\t * with the view what means that all child nodes will be removed and replaced with content of the view root.\n\t *\n\t * This method also will change view element name as the same as tag name of given dom root.\n\t * Name is always transformed to lower case.\n\t *\n\t * **Note:** Use {@link #detachDomRoot `detachDomRoot()`} to revert this action.\n\t *\n\t * @param {Element} domRoot DOM root element.\n\t * @param {String} [name='main'] Name of the root.\n\t */\n\tattachDomRoot( domRoot, name = 'main' ) {\n\t\tconst viewRoot = this.document.getRoot( name );\n\n\t\t// Set view root name the same as DOM root tag name.\n\t\tviewRoot._name = domRoot.tagName.toLowerCase();\n\n\t\tconst initialDomRootAttributes = {};\n\n\t\t// 1. Copy and cache the attributes to remember the state of the element before attaching.\n\t\t//    The cached attributes will be restored in detachDomRoot() so the element goes to the\n\t\t//    clean state as if the editing view never used it.\n\t\t// 2. Apply the attributes using the view writer, so they all go under the control of the engine.\n\t\t//    The editing view takes over the attribute management completely because various\n\t\t//    features (e.g. addPlaceholder()) require dynamic changes of those attributes and they\n\t\t//    cannot be managed by the engine and the UI library at the same time.\n\t\tfor ( const { name, value } of Array.from( domRoot.attributes ) ) {\n\t\t\tinitialDomRootAttributes[ name ] = value;\n\n\t\t\t// Do not use writer.setAttribute() for the class attribute. The EditableUIView class\n\t\t\t// and its descendants could have already set some using the writer.addClass() on the view\n\t\t\t// document root. They haven't been rendered yet so they are not present in the DOM root.\n\t\t\t// Using writer.setAttribute( 'class', ... ) would override them completely.\n\t\t\tif ( name === 'class' ) {\n\t\t\t\tthis._writer.addClass( value.split( ' ' ), viewRoot );\n\t\t\t} else {\n\t\t\t\tthis._writer.setAttribute( name, value, viewRoot );\n\t\t\t}\n\t\t}\n\n\t\tthis._initialDomRootAttributes.set( domRoot, initialDomRootAttributes );\n\n\t\tconst updateContenteditableAttribute = () => {\n\t\t\tthis._writer.setAttribute( 'contenteditable', !viewRoot.isReadOnly, viewRoot );\n\n\t\t\tif ( viewRoot.isReadOnly ) {\n\t\t\t\tthis._writer.addClass( 'ck-read-only', viewRoot );\n\t\t\t} else {\n\t\t\t\tthis._writer.removeClass( 'ck-read-only', viewRoot );\n\t\t\t}\n\t\t};\n\n\t\t// Set initial value.\n\t\tupdateContenteditableAttribute();\n\n\t\tthis.domRoots.set( name, domRoot );\n\t\tthis.domConverter.bindElements( domRoot, viewRoot );\n\t\tthis._renderer.markToSync( 'children', viewRoot );\n\t\tthis._renderer.markToSync( 'attributes', viewRoot );\n\t\tthis._renderer.domDocuments.add( domRoot.ownerDocument );\n\n\t\tviewRoot.on( 'change:children', ( evt, node ) => this._renderer.markToSync( 'children', node ) );\n\t\tviewRoot.on( 'change:attributes', ( evt, node ) => this._renderer.markToSync( 'attributes', node ) );\n\t\tviewRoot.on( 'change:text', ( evt, node ) => this._renderer.markToSync( 'text', node ) );\n\t\tviewRoot.on( 'change:isReadOnly', () => this.change( updateContenteditableAttribute ) );\n\n\t\tviewRoot.on( 'change', () => {\n\t\t\tthis._hasChangedSinceTheLastRendering = true;\n\t\t} );\n\n\t\tfor ( const observer of this._observers.values() ) {\n\t\t\tobserver.observe( domRoot, name );\n\t\t}\n\t}\n\n\t/**\n\t * Detaches a DOM root element from the view element and restores its attributes to the state before\n\t * {@link #attachDomRoot `attachDomRoot()`}.\n\t *\n\t * @param {String} name Name of the root to detach.\n\t */\n\tdetachDomRoot( name ) {\n\t\tconst domRoot = this.domRoots.get( name );\n\n\t\t// Remove all root attributes so the DOM element is \"bare\".\n\t\tArray.from( domRoot.attributes ).forEach( ( { name } ) => domRoot.removeAttribute( name ) );\n\n\t\tconst initialDomRootAttributes = this._initialDomRootAttributes.get( domRoot );\n\n\t\t// Revert all view root attributes back to the state before attachDomRoot was called.\n\t\tfor ( const attribute in initialDomRootAttributes ) {\n\t\t\tdomRoot.setAttribute( attribute, initialDomRootAttributes[ attribute ] );\n\t\t}\n\n\t\tthis.domRoots.delete( name );\n\t\tthis.domConverter.unbindDomElement( domRoot );\n\t}\n\n\t/**\n\t * Gets DOM root element.\n\t *\n\t * @param {String} [name='main']  Name of the root.\n\t * @returns {Element} DOM root element instance.\n\t */\n\tgetDomRoot( name = 'main' ) {\n\t\treturn this.domRoots.get( name );\n\t}\n\n\t/**\n\t * Creates observer of the given type if not yet created, {@link module:engine/view/observer/observer~Observer#enable enables} it\n\t * and {@link module:engine/view/observer/observer~Observer#observe attaches} to all existing and future\n\t * {@link #domRoots DOM roots}.\n\t *\n\t * Note: Observers are recognized by their constructor (classes). A single observer will be instantiated and used only\n\t * when registered for the first time. This means that features and other components can register a single observer\n\t * multiple times without caring whether it has been already added or not.\n\t *\n\t * @param {Function} Observer The constructor of an observer to add.\n\t * Should create an instance inheriting from {@link module:engine/view/observer/observer~Observer}.\n\t * @returns {module:engine/view/observer/observer~Observer} Added observer instance.\n\t */\n\taddObserver( Observer ) {\n\t\tlet observer = this._observers.get( Observer );\n\n\t\tif ( observer ) {\n\t\t\treturn observer;\n\t\t}\n\n\t\tobserver = new Observer( this );\n\n\t\tthis._observers.set( Observer, observer );\n\n\t\tfor ( const [ name, domElement ] of this.domRoots ) {\n\t\t\tobserver.observe( domElement, name );\n\t\t}\n\n\t\tobserver.enable();\n\n\t\treturn observer;\n\t}\n\n\t/**\n\t * Returns observer of the given type or `undefined` if such observer has not been added yet.\n\t *\n\t * @param {Function} Observer The constructor of an observer to get.\n\t * @returns {module:engine/view/observer/observer~Observer|undefined} Observer instance or undefined.\n\t */\n\tgetObserver( Observer ) {\n\t\treturn this._observers.get( Observer );\n\t}\n\n\t/**\n\t * Disables all added observers.\n\t */\n\tdisableObservers() {\n\t\tfor ( const observer of this._observers.values() ) {\n\t\t\tobserver.disable();\n\t\t}\n\t}\n\n\t/**\n\t * Enables all added observers.\n\t */\n\tenableObservers() {\n\t\tfor ( const observer of this._observers.values() ) {\n\t\t\tobserver.enable();\n\t\t}\n\t}\n\n\t/**\n\t * Scrolls the page viewport and {@link #domRoots} with their ancestors to reveal the\n\t * caret, if not already visible to the user.\n\t */\n\tscrollToTheSelection() {\n\t\tconst range = this.document.selection.getFirstRange();\n\n\t\tif ( range ) {\n\t\t\tscrollViewportToShowTarget( {\n\t\t\t\ttarget: this.domConverter.viewRangeToDom( range ),\n\t\t\t\tviewportOffset: 20\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * It will focus DOM element representing {@link module:engine/view/editableelement~EditableElement EditableElement}\n\t * that is currently having selection inside.\n\t */\n\tfocus() {\n\t\tif ( !this.document.isFocused ) {\n\t\t\tconst editable = this.document.selection.editableElement;\n\n\t\t\tif ( editable ) {\n\t\t\t\tthis.domConverter.focus( editable );\n\t\t\t\tthis.forceRender();\n\t\t\t} else {\n\t\t\t\t// Before focusing view document, selection should be placed inside one of the view's editables.\n\t\t\t\t// Normally its selection will be converted from model document (which have default selection), but\n\t\t\t\t// when using view document on its own, we need to manually place selection before focusing it.\n\t\t\t\t//\n\t\t\t\t// @if CK_DEBUG // console.warn( 'There is no selection in any editable to focus.' );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * The `change()` method is the primary way of changing the view. You should use it to modify any node in the view tree.\n\t * It makes sure that after all changes are made the view is rendered to the DOM (assuming that the view will be changed\n\t * inside the callback). It prevents situations when the DOM is updated when the view state is not yet correct. It allows\n\t * to nest calls one inside another and still performs a single rendering after all those changes are made.\n\t * It also returns the return value of its callback.\n\t *\n\t *\t\tconst text = view.change( writer => {\n\t *\t\t\tconst newText = writer.createText( 'foo' );\n\t *\t\t\twriter.insert( position1, newText );\n\t *\n\t *\t\t\tview.change( writer => {\n\t *\t\t\t\twriter.insert( position2, writer.createText( 'bar' ) );\n\t *\t\t\t} );\n\t *\n\t * \t\t\twriter.remove( range );\n\t *\n\t * \t\t\treturn newText;\n\t *\t\t} );\n\t *\n\t * When the outermost change block is done and rendering to the DOM is over the\n\t * {@link module:engine/view/view~View#event:render `View#render`} event is fired.\n\t *\n\t * This method throws a `applying-view-changes-on-rendering` error when\n\t * the change block is used after rendering to the DOM has started.\n\t *\n\t * @param {Function} callback Callback function which may modify the view.\n\t * @returns {*} Value returned by the callback.\n\t */\n\tchange( callback ) {\n\t\tif ( this.isRenderingInProgress || this._postFixersInProgress ) {\n\t\t\t/**\n\t\t\t * Thrown when there is an attempt to make changes to the view tree when it is in incorrect state. This may\n\t\t\t * cause some unexpected behaviour and inconsistency between the DOM and the view.\n\t\t\t * This may be caused by:\n\t\t\t *\n\t\t\t * * calling {@link #change} or {@link #forceRender} during rendering process,\n\t\t\t * * calling {@link #change} or {@link #forceRender} inside of\n\t\t\t *   {@link module:engine/view/document~Document#registerPostFixer post-fixer function}.\n\t\t\t *\n\t\t\t * @error cannot-change-view-tree\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'cannot-change-view-tree',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\ttry {\n\t\t\t// Recursive call to view.change() method - execute listener immediately.\n\t\t\tif ( this._ongoingChange ) {\n\t\t\t\treturn callback( this._writer );\n\t\t\t}\n\n\t\t\t// This lock will assure that all recursive calls to view.change() will end up in same block - one \"render\"\n\t\t\t// event for all nested calls.\n\t\t\tthis._ongoingChange = true;\n\t\t\tconst callbackResult = callback( this._writer );\n\t\t\tthis._ongoingChange = false;\n\n\t\t\t// This lock is used by editing controller to render changes from outer most model.change() once. As plugins might call\n\t\t\t// view.change() inside model.change() block - this will ensures that postfixers and rendering are called once after all\n\t\t\t// changes. Also, we don't need to render anything if there're no changes since last rendering.\n\t\t\tif ( !this._renderingDisabled && this._hasChangedSinceTheLastRendering ) {\n\t\t\t\tthis._postFixersInProgress = true;\n\t\t\t\tthis.document._callPostFixers( this._writer );\n\t\t\t\tthis._postFixersInProgress = false;\n\n\t\t\t\tthis.fire( 'render' );\n\t\t\t}\n\n\t\t\treturn callbackResult;\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t}\n\n\t/**\n\t * Forces rendering {@link module:engine/view/document~Document view document} to DOM. If any view changes are\n\t * currently in progress, rendering will start after all {@link #change change blocks} are processed.\n\t *\n\t * Note that this method is dedicated for special cases. All view changes should be wrapped in the {@link #change}\n\t * block and the view will automatically check whether it needs to render DOM or not.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `applying-view-changes-on-rendering` when\n\t * trying to re-render when rendering to DOM has already started.\n\t */\n\tforceRender() {\n\t\tthis._hasChangedSinceTheLastRendering = true;\n\t\tthis.change( () => {} );\n\t}\n\n\t/**\n\t * Destroys this instance. Makes sure that all observers are destroyed and listeners removed.\n\t */\n\tdestroy() {\n\t\tfor ( const observer of this._observers.values() ) {\n\t\t\tobserver.destroy();\n\t\t}\n\n\t\tthis.document.destroy();\n\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/view/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/view/item~Item view item} and `'before'` or `'after'` (sets position before or after given view item).\n\t *\n\t * This method is a shortcut to other constructors such as:\n\t *\n\t * * {@link #createPositionBefore},\n\t * * {@link #createPositionAfter},\n\t *\n\t * @param {module:engine/view/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn Position._createAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new position after given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item after which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn Position._createAfter( item );\n\t}\n\n\t/**\n\t * Creates a new position before given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item before which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn Position._createBefore( item );\n\t}\n\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * **Note:** This factory method creates it's own {@link module:engine/view/position~Position} instances basing on passed values.\n\t *\n\t * @param {module:engine/view/position~Position} start Start position.\n\t * @param {module:engine/view/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/view/item~Item view item} and ends after it.\n\t *\n\t * @param {module:engine/view/item~Item} item\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeOn( item ) {\n\t\treturn Range._createOn( item );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @param {module:engine/view/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn Range._createIn( element );\n\t}\n\n\t/**\n\t Creates new {@link module:engine/view/selection~Selection} instance.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = view.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = view.createRange( start, end );\n\t *\t\tconst selection = view.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ view.createRange( start1, end2 ), view.createRange( star2, end2 ) ];\n\t *\t\tconst selection = view.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = view.createSelection();\n\t *\t\tconst selection = view.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the document selection.\n\t *\t\tconst selection = view.createSelection( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = view.createPositionFromPath( root, path );\n\t *\t\tconst selection = view.createSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = view.createContainerElement( 'paragraph' );\n\t *\t\tconst selection = view.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = view.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = view.createSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s factory method allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = view.createSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = view.createSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t * @returns {module:engine/view/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn new Selection( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Disables or enables rendering. If the flag is set to `true` then the rendering will be disabled.\n\t * If the flag is set to `false` and if there was some change in the meantime, then the rendering action will be performed.\n\t *\n\t * @protected\n\t * @param {Boolean} flag A flag indicates whether the rendering should be disabled.\n\t */\n\t_disableRendering( flag ) {\n\t\tthis._renderingDisabled = flag;\n\n\t\tif ( flag == false ) {\n\t\t\t// Render when you stop blocking rendering.\n\t\t\tthis.change( () => {} );\n\t\t}\n\t}\n\n\t/**\n\t * Renders all changes. In order to avoid triggering the observers (e.g. mutations) all observers are disabled\n\t * before rendering and re-enabled after that.\n\t *\n\t * @private\n\t */\n\t_render() {\n\t\tthis.isRenderingInProgress = true;\n\t\tthis.disableObservers();\n\t\tthis._renderer.render();\n\t\tthis.enableObservers();\n\t\tthis.isRenderingInProgress = false;\n\t}\n\n\t/**\n\t * Fired after a topmost {@link module:engine/view/view~View#change change block} and all\n\t * {@link module:engine/view/document~Document#registerPostFixer post-fixers} are executed.\n\t *\n\t * Actual rendering is performed as a first listener on 'normal' priority.\n\t *\n\t *\t\tview.on( 'render', () => {\n\t *\t\t\t// Rendering to the DOM is complete.\n\t *\t\t} );\n\t *\n\t * This event is useful when you want to update interface elements after the rendering, e.g. position of the\n\t * balloon panel. If you wants to change view structure use\n\t * {@link module:engine/view/document~Document#registerPostFixer post-fixers}.\n\t *\n\t * @event module:engine/view/view~View#event:render\n\t */\n}\n\nmix( View, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/node\n */\n\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\n// To check if component is loaded more than once.\nimport '@ckeditor/ckeditor5-utils/src/version';\n\n/**\n * Model node. Most basic structure of model tree.\n *\n * This is an abstract class that is a base for other classes representing different nodes in model.\n *\n * **Note:** If a node is detached from the model tree, you can manipulate it using it's API.\n * However, it is **very important** that nodes already attached to model tree should be only changed through\n * {@link module:engine/model/writer~Writer Writer API}.\n *\n * Changes done by `Node` methods, like {@link module:engine/model/element~Element#_insertChild _insertChild} or\n * {@link module:engine/model/node~Node#_setAttribute _setAttribute}\n * do not generate {@link module:engine/model/operation/operation~Operation operations}\n * which are essential for correct editor work if you modify nodes in {@link module:engine/model/document~Document document} root.\n *\n * The flow of working on `Node` (and classes that inherits from it) is as such:\n * 1. You can create a `Node` instance, modify it using it's API.\n * 2. Add `Node` to the model using `Batch` API.\n * 3. Change `Node` that was already added to the model using `Batch` API.\n *\n * Similarly, you cannot use `Batch` API on a node that has not been added to the model tree, with the exception\n * of {@link module:engine/model/writer~Writer#insert inserting} that node to the model tree.\n *\n * Be aware that using {@link module:engine/model/writer~Writer#remove remove from Batch API} does not allow to use `Node` API because\n * the information about `Node` is still kept in model document.\n *\n * In case of {@link module:engine/model/element~Element element node}, adding and removing children also counts as changing a node and\n * follows same rules.\n */\nexport default class Node {\n\t/**\n\t * Creates a model node.\n\t *\n\t * This is an abstract class, so this constructor should not be used directly.\n\t *\n\t * @abstract\n\t * @param {Object} [attrs] Node's attributes. See {@link module:utils/tomap~toMap} for a list of accepted values.\n\t */\n\tconstructor( attrs ) {\n\t\t/**\n\t\t * Parent of this node. It could be {@link module:engine/model/element~Element}\n\t\t * or {@link module:engine/model/documentfragment~DocumentFragment}.\n\t\t * Equals to `null` if the node has no parent.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t\t */\n\t\tthis.parent = null;\n\n\t\t/**\n\t\t * Attributes set on this node.\n\t\t *\n\t\t * @private\n\t\t * @member {Map} module:engine/model/node~Node#_attrs\n\t\t */\n\t\tthis._attrs = toMap( attrs );\n\t}\n\n\t/**\n\t * Index of this node in it's parent or `null` if the node has no parent.\n\t *\n\t * Accessing this property throws an error if this node's parent element does not contain it.\n\t * This means that model tree got broken.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget index() {\n\t\tlet pos;\n\n\t\tif ( !this.parent ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( ( pos = this.parent.getChildIndex( this ) ) === null ) {\n\t\t\tthrow new CKEditorError( 'model-node-not-found-in-parent', this );\n\t\t}\n\n\t\treturn pos;\n\t}\n\n\t/**\n\t * Offset at which this node starts in it's parent. It is equal to the sum of {@link #offsetSize offsetSize}\n\t * of all it's previous siblings. Equals to `null` if node has no parent.\n\t *\n\t * Accessing this property throws an error if this node's parent element does not contain it.\n\t * This means that model tree got broken.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget startOffset() {\n\t\tlet pos;\n\n\t\tif ( !this.parent ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( ( pos = this.parent.getChildStartOffset( this ) ) === null ) {\n\t\t\tthrow new CKEditorError( 'model-node-not-found-in-parent', this );\n\t\t}\n\n\t\treturn pos;\n\t}\n\n\t/**\n\t * Offset size of this node. Represents how much \"offset space\" is occupied by the node in it's parent.\n\t * It is important for {@link module:engine/model/position~Position position}. When node has `offsetSize` greater than `1`, position\n\t * can be placed between that node start and end. `offsetSize` greater than `1` is for nodes that represents more\n\t * than one entity, i.e. {@link module:engine/model/text~Text text node}.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget offsetSize() {\n\t\treturn 1;\n\t}\n\n\t/**\n\t * Offset at which this node ends in it's parent. It is equal to the sum of this node's\n\t * {@link module:engine/model/node~Node#startOffset start offset} and {@link #offsetSize offset size}.\n\t * Equals to `null` if the node has no parent.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget endOffset() {\n\t\tif ( !this.parent ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.startOffset + this.offsetSize;\n\t}\n\n\t/**\n\t * Node's next sibling or `null` if the node is a last child of it's parent or if the node has no parent.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|null}\n\t */\n\tget nextSibling() {\n\t\tconst index = this.index;\n\n\t\treturn ( index !== null && this.parent.getChild( index + 1 ) ) || null;\n\t}\n\n\t/**\n\t * Node's previous sibling or `null` if the node is a first child of it's parent or if the node has no parent.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|null}\n\t */\n\tget previousSibling() {\n\t\tconst index = this.index;\n\n\t\treturn ( index !== null && this.parent.getChild( index - 1 ) ) || null;\n\t}\n\n\t/**\n\t * The top-most ancestor of the node. If node has no parent it is the root itself. If the node is a part\n\t * of {@link module:engine/model/documentfragment~DocumentFragment}, it's `root` is equal to that `DocumentFragment`.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\tlet root = this; // eslint-disable-line consistent-this\n\n\t\twhile ( root.parent ) {\n\t\t\troot = root.parent;\n\t\t}\n\n\t\treturn root;\n\t}\n\n\t/**\n\t * Returns true if the node is in a tree rooted in the document (is a descendant of one of its roots).\n\t *\n\t * @returns {Boolean}\n\t */\n\tisAttached() {\n\t\treturn this.root.is( 'rootElement' );\n\t}\n\n\t/**\n\t * Gets path to the node. The path is an array containing starting offsets of consecutive ancestors of this node,\n\t * beginning from {@link module:engine/model/node~Node#root root}, down to this node's starting offset. The path can be used to\n\t * create {@link module:engine/model/position~Position Position} instance.\n\t *\n\t *\t\tconst abc = new Text( 'abc' );\n\t *\t\tconst foo = new Text( 'foo' );\n\t *\t\tconst h1 = new Element( 'h1', null, new Text( 'header' ) );\n\t *\t\tconst p = new Element( 'p', null, [ abc, foo ] );\n\t *\t\tconst div = new Element( 'div', null, [ h1, p ] );\n\t *\t\tfoo.getPath(); // Returns [ 1, 3 ]. `foo` is in `p` which is in `div`. `p` starts at offset 1, while `foo` at 3.\n\t *\t\th1.getPath(); // Returns [ 0 ].\n\t *\t\tdiv.getPath(); // Returns [].\n\t *\n\t * @returns {Array.<Number>} The path.\n\t */\n\tgetPath() {\n\t\tconst path = [];\n\t\tlet node = this; // eslint-disable-line consistent-this\n\n\t\twhile ( node.parent ) {\n\t\t\tpath.unshift( node.startOffset );\n\t\t\tnode = node.parent;\n\t\t}\n\n\t\treturn path;\n\t}\n\n\t/**\n\t * Returns ancestors array of this node.\n\t *\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` this node will be also included in parent's array.\n\t * @param {Boolean} [options.parentFirst=false] When set to `true`, array will be sorted from node's parent to root element,\n\t * otherwise root element will be the first item in the array.\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors( options = { includeSelf: false, parentFirst: false } ) {\n\t\tconst ancestors = [];\n\t\tlet parent = options.includeSelf ? this : this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tancestors[ options.parentFirst ? 'push' : 'unshift' ]( parent );\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn ancestors;\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/model/element~Element} or {@link module:engine/model/documentfragment~DocumentFragment}\n\t * which is a common ancestor of both nodes.\n\t *\n\t * @param {module:engine/model/node~Node} node The second node.\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` both nodes will be considered \"ancestors\" too.\n\t * Which means that if e.g. node A is inside B, then their common ancestor will be B.\n\t * @returns {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor( node, options = {} ) {\n\t\tconst ancestorsA = this.getAncestors( options );\n\t\tconst ancestorsB = node.getAncestors( options );\n\n\t\tlet i = 0;\n\n\t\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n\t}\n\n\t/**\n\t * Returns whether this node is before given node. `false` is returned if nodes are in different trees (for example,\n\t * in different {@link module:engine/model/documentfragment~DocumentFragment}s).\n\t *\n\t * @param {module:engine/model/node~Node} node Node to compare with.\n\t * @returns {Boolean}\n\t */\n\tisBefore( node ) {\n\t\t// Given node is not before this node if they are same.\n\t\tif ( this == node ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Return `false` if it is impossible to compare nodes.\n\t\tif ( this.root !== node.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst thisPath = this.getPath();\n\t\tconst nodePath = node.getPath();\n\n\t\tconst result = compareArrays( thisPath, nodePath );\n\n\t\tswitch ( result ) {\n\t\t\tcase 'prefix':\n\t\t\t\treturn true;\n\n\t\t\tcase 'extension':\n\t\t\t\treturn false;\n\n\t\t\tdefault:\n\t\t\t\treturn thisPath[ result ] < nodePath[ result ];\n\t\t}\n\t}\n\n\t/**\n\t * Returns whether this node is after given node. `false` is returned if nodes are in different trees (for example,\n\t * in different {@link module:engine/model/documentfragment~DocumentFragment}s).\n\t *\n\t * @param {module:engine/model/node~Node} node Node to compare with.\n\t * @returns {Boolean}\n\t */\n\tisAfter( node ) {\n\t\t// Given node is not before this node if they are same.\n\t\tif ( this == node ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Return `false` if it is impossible to compare nodes.\n\t\tif ( this.root !== node.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// In other cases, just check if the `node` is before, and return the opposite.\n\t\treturn !this.isBefore( node );\n\t}\n\n\t/**\n\t * Checks if the node has an attribute with given key.\n\t *\n\t * @param {String} key Key of attribute to check.\n\t * @returns {Boolean} `true` if attribute with given key is set on node, `false` otherwise.\n\t */\n\thasAttribute( key ) {\n\t\treturn this._attrs.has( key );\n\t}\n\n\t/**\n\t * Gets an attribute value for given key or `undefined` if that attribute is not set on node.\n\t *\n\t * @param {String} key Key of attribute to look for.\n\t * @returns {*} Attribute value or `undefined`.\n\t */\n\tgetAttribute( key ) {\n\t\treturn this._attrs.get( key );\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this node's attributes.\n\t *\n\t * Attributes are returned as arrays containing two items. First one is attribute key and second is attribute value.\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\tgetAttributes() {\n\t\treturn this._attrs.entries();\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this node's attribute keys.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetAttributeKeys() {\n\t\treturn this._attrs.keys();\n\t}\n\n\t/**\n\t * Converts `Node` to plain object and returns it.\n\t *\n\t * @returns {Object} `Node` converted to plain object.\n\t */\n\ttoJSON() {\n\t\tconst json = {};\n\n\t\t// Serializes attributes to the object.\n\t\t// attributes = { a: 'foo', b: 1, c: true }.\n\t\tif ( this._attrs.size ) {\n\t\t\tjson.attributes = Array.from( this._attrs ).reduce( ( result, attr ) => {\n\t\t\t\tresult[ attr[ 0 ] ] = attr[ 1 ];\n\n\t\t\t\treturn result;\n\t\t\t}, {} );\n\t\t}\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t * This method is useful when processing model objects that are of unknown type. For example, a function\n\t * may return a {@link module:engine/model/documentfragment~DocumentFragment} or a {@link module:engine/model/node~Node}\n\t * that can be either a text node or an element. This method can be used to check what kind of object is returned.\n\t *\n\t *\t\tsomeObject.is( 'element' ); // -> true if this is an element\n\t *\t\tsomeObject.is( 'node' ); // -> true if this is a node (a text node or an element)\n\t *\t\tsomeObject.is( 'documentFragment' ); // -> true if this is a document fragment\n\t *\n\t * Since this method is also available on a range of view objects, you can prefix the type of the object with\n\t * `model:` or `view:` to check, for example, if this is the model's or view's element:\n\t *\n\t *\t\tmodelElement.is( 'model:element' ); // -> true\n\t *\t\tmodelElement.is( 'view:element' ); // -> false\n\t *\n\t * By using this method it is also possible to check a name of an element:\n\t *\n\t *\t\timageElement.is( 'element', 'image' ); // -> true\n\t *\t\timageElement.is( 'element', 'image' ); // -> same as above\n\t *\t\timageElement.is( 'model:element', 'image' ); // -> same as above, but more precise\n\t *\n\t * The list of model objects which implement the `is()` method:\n\t *\n\t * * {@link module:engine/model/node~Node#is `Node#is()`}\n\t * * {@link module:engine/model/text~Text#is `Text#is()`}\n\t * * {@link module:engine/model/element~Element#is `Element#is()`}\n\t * * {@link module:engine/model/rootelement~RootElement#is `RootElement#is()`}\n\t * * {@link module:engine/model/position~Position#is `Position#is()`}\n\t * * {@link module:engine/model/liveposition~LivePosition#is `LivePosition#is()`}\n\t * * {@link module:engine/model/range~Range#is `Range#is()`}\n\t * * {@link module:engine/model/liverange~LiveRange#is `LiveRange#is()`}\n\t * * {@link module:engine/model/documentfragment~DocumentFragment#is `DocumentFragment#is()`}\n\t * * {@link module:engine/model/selection~Selection#is `Selection#is()`}\n\t * * {@link module:engine/model/documentselection~DocumentSelection#is `DocumentSelection#is()`}\n\t * * {@link module:engine/model/markercollection~Marker#is `Marker#is()`}\n\t * * {@link module:engine/model/textproxy~TextProxy#is `TextProxy#is()`}\n\t *\n\t * @method #is\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'node' || type === 'model:node';\n\t}\n\n\t/**\n\t * Creates a copy of this node, that is a node with exactly same attributes, and returns it.\n\t *\n\t * @protected\n\t * @returns {module:engine/model/node~Node} Node with same attributes as this node.\n\t */\n\t_clone() {\n\t\treturn new Node( this._attrs );\n\t}\n\n\t/**\n\t * Removes this node from it's parent.\n\t *\n\t * @see module:engine/model/writer~Writer#remove\n\t * @protected\n\t */\n\t_remove() {\n\t\tthis.parent._removeChildren( this.index );\n\t}\n\n\t/**\n\t * Sets attribute on the node. If attribute with the same key already is set, it's value is overwritten.\n\t *\n\t * @see module:engine/model/writer~Writer#setAttribute\n\t * @protected\n\t * @param {String} key Key of attribute to set.\n\t * @param {*} value Attribute value.\n\t */\n\t_setAttribute( key, value ) {\n\t\tthis._attrs.set( key, value );\n\t}\n\n\t/**\n\t * Removes all attributes from the node and sets given attributes.\n\t *\n\t * @see module:engine/model/writer~Writer#setAttributes\n\t * @protected\n\t * @param {Object} [attrs] Attributes to set. See {@link module:utils/tomap~toMap} for a list of accepted values.\n\t */\n\t_setAttributesTo( attrs ) {\n\t\tthis._attrs = toMap( attrs );\n\t}\n\n\t/**\n\t * Removes an attribute with given key from the node.\n\t *\n\t * @see module:engine/model/writer~Writer#removeAttribute\n\t * @protected\n\t * @param {String} key Key of attribute to remove.\n\t * @returns {Boolean} `true` if the attribute was set on the element, `false` otherwise.\n\t */\n\t_removeAttribute( key ) {\n\t\treturn this._attrs.delete( key );\n\t}\n\n\t/**\n\t * Removes all attributes from the node.\n\t *\n\t * @see module:engine/model/writer~Writer#clearAttributes\n\t * @protected\n\t */\n\t_clearAttributes() {\n\t\tthis._attrs.clear();\n\t}\n}\n\n/**\n * The node's parent does not contain this node.\n *\n * @error model-node-not-found-in-parent\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/text\n */\n\nimport Node from './node';\n\n// @if CK_DEBUG_ENGINE // const { convertMapToStringifiedObject } = require( '../dev-utils/utils' );\n\n/**\n * Model text node. Type of {@link module:engine/model/node~Node node} that contains {@link module:engine/model/text~Text#data text data}.\n *\n * **Important:** see {@link module:engine/model/node~Node} to read about restrictions using `Text` and `Node` API.\n *\n * **Note:** keep in mind that `Text` instances might indirectly got removed from model tree when model is changed.\n * This happens when {@link module:engine/model/writer~Writer model writer} is used to change model and the text node is merged with\n * another text node. Then, both text nodes are removed and a new text node is inserted into the model. Because of\n * this behavior, keeping references to `Text` is not recommended. Instead, consider creating\n * {@link module:engine/model/liveposition~LivePosition live position} placed before the text node.\n *\n * @extends module:engine/model/node~Node\n */\nexport default class Text extends Node {\n\t/**\n\t * Creates a text node.\n\t *\n\t * **Note:** Constructor of this class shouldn't be used directly in the code.\n\t * Use the {@link module:engine/model/writer~Writer#createText} method instead.\n\t *\n\t * @protected\n\t * @param {String} data Node's text.\n\t * @param {Object} [attrs] Node's attributes. See {@link module:utils/tomap~toMap} for a list of accepted values.\n\t */\n\tconstructor( data, attrs ) {\n\t\tsuper( attrs );\n\n\t\t/**\n\t\t * Text data contained in this text node.\n\t\t *\n\t\t * @protected\n\t\t * @type {String}\n\t\t */\n\t\tthis._data = data || '';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget offsetSize() {\n\t\treturn this.data.length;\n\t}\n\n\t/**\n\t * Returns a text data contained in the node.\n\t *\n\t * @readonly\n\t * @type {String}\n\t */\n\tget data() {\n\t\treturn this._data;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\ttext.is( '$text' ); // -> true\n\t *\t\ttext.is( 'node' ); // -> true\n\t *\t\ttext.is( 'model:$text' ); // -> true\n\t *\t\ttext.is( 'model:node' ); // -> true\n\t *\n\t *\t\ttext.is( 'view:$text' ); // -> false\n\t *\t\ttext.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * **Note:** Until version 20.0.0 this method wasn't accepting `'$text'` type. The legacy `'text'` type is still\n\t * accepted for backward compatibility.\n\t *\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === '$text' || type === 'model:$text' ||\n\t\t\t// This are legacy values kept for backward compatibility.\n\t\t\ttype === 'text' || type === 'model:text' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype === 'node' || type === 'model:node';\n\t}\n\n\t/**\n\t * Converts `Text` instance to plain object and returns it.\n\t *\n\t * @returns {Object} `Text` instance converted to plain object.\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.data = this.data;\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Creates a copy of this text node and returns it. Created text node has same text data and attributes as original text node.\n\t *\n\t * @protected\n\t * @returns {module:engine/model/text~Text} `Text` instance created using given plain object.\n\t */\n\t_clone() {\n\t\treturn new Text( this.data, this.getAttributes() );\n\t}\n\n\t/**\n\t * Creates a `Text` instance from given plain object (i.e. parsed JSON string).\n\t *\n\t * @param {Object} json Plain object to be converted to `Text`.\n\t * @returns {module:engine/model/text~Text} `Text` instance created using given plain object.\n\t */\n\tstatic fromJSON( json ) {\n\t\treturn new Text( json.data, json.attributes );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `#${ this.data }`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( `ModelText: ${ this }, attrs: ${ convertMapToStringifiedObject( this.getAttributes() ) }` );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelText: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/textproxy\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// @if CK_DEBUG_ENGINE // const { convertMapToStringifiedObject } = require( '../dev-utils/utils' );\n\n/**\n * `TextProxy` represents a part of {@link module:engine/model/text~Text text node}.\n *\n * Since {@link module:engine/model/position~Position positions} can be placed between characters of a text node,\n * {@link module:engine/model/range~Range ranges} may contain only parts of text nodes. When {@link module:engine/model/range~Range#getItems\n * getting items}\n * contained in such range, we need to represent a part of that text node, since returning the whole text node would be incorrect.\n * `TextProxy` solves this issue.\n *\n * `TextProxy` has an API similar to {@link module:engine/model/text~Text Text} and allows to do most of the common tasks performed\n * on model nodes.\n *\n * **Note:** Some `TextProxy` instances may represent whole text node, not just a part of it.\n * See {@link module:engine/model/textproxy~TextProxy#isPartial}.\n *\n * **Note:** `TextProxy` is not an instance of {@link module:engine/model/node~Node node}. Keep this in mind when using it as a\n * parameter of methods.\n *\n * **Note:** `TextProxy` is a readonly interface. If you want to perform changes on model data represented by a `TextProxy`\n * use {@link module:engine/model/writer~Writer model writer API}.\n *\n * **Note:** `TextProxy` instances are created on the fly, basing on the current state of model. Because of this, it is\n * highly unrecommended to store references to `TextProxy` instances. `TextProxy` instances are not refreshed when\n * model changes, so they might get invalidated. Instead, consider creating {@link module:engine/model/liveposition~LivePosition live\n * position}.\n *\n * `TextProxy` instances are created by {@link module:engine/model/treewalker~TreeWalker model tree walker}. You should not need to create\n * an instance of this class by your own.\n */\nexport default class TextProxy {\n\t/**\n\t * Creates a text proxy.\n\t *\n\t * @protected\n\t * @param {module:engine/model/text~Text} textNode Text node which part is represented by this text proxy.\n\t * @param {Number} offsetInText Offset in {@link module:engine/model/textproxy~TextProxy#textNode text node} from which the text proxy\n\t * starts.\n\t * @param {Number} length Text proxy length, that is how many text node's characters, starting from `offsetInText` it represents.\n\t * @constructor\n\t */\n\tconstructor( textNode, offsetInText, length ) {\n\t\t/**\n\t\t * Text node which part is represented by this text proxy.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/text~Text}\n\t\t */\n\t\tthis.textNode = textNode;\n\n\t\tif ( offsetInText < 0 || offsetInText > textNode.offsetSize ) {\n\t\t\t/**\n\t\t\t * Given `offsetInText` value is incorrect.\n\t\t\t *\n\t\t\t * @error model-textproxy-wrong-offsetintext\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-textproxy-wrong-offsetintext', this );\n\t\t}\n\n\t\tif ( length < 0 || offsetInText + length > textNode.offsetSize ) {\n\t\t\t/**\n\t\t\t * Given `length` value is incorrect.\n\t\t\t *\n\t\t\t * @error model-textproxy-wrong-length\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-textproxy-wrong-length', this );\n\t\t}\n\n\t\t/**\n\t\t * Text data represented by this text proxy.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.data = textNode.data.substring( offsetInText, offsetInText + length );\n\n\t\t/**\n\t\t * Offset in {@link module:engine/model/textproxy~TextProxy#textNode text node} from which the text proxy starts.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.offsetInText = offsetInText;\n\t}\n\n\t/**\n\t * Offset at which this text proxy starts in it's parent.\n\t *\n\t * @see module:engine/model/node~Node#startOffset\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget startOffset() {\n\t\treturn this.textNode.startOffset !== null ? this.textNode.startOffset + this.offsetInText : null;\n\t}\n\n\t/**\n\t * Offset size of this text proxy. Equal to the number of characters represented by the text proxy.\n\t *\n\t * @see module:engine/model/node~Node#offsetSize\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget offsetSize() {\n\t\treturn this.data.length;\n\t}\n\n\t/**\n\t * Offset at which this text proxy ends in it's parent.\n\t *\n\t * @see module:engine/model/node~Node#endOffset\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget endOffset() {\n\t\treturn this.startOffset !== null ? this.startOffset + this.offsetSize : null;\n\t}\n\n\t/**\n\t * Flag indicating whether `TextProxy` instance covers only part of the original {@link module:engine/model/text~Text text node}\n\t * (`true`) or the whole text node (`false`).\n\t *\n\t * This is `false` when text proxy starts at the very beginning of {@link module:engine/model/textproxy~TextProxy#textNode textNode}\n\t * ({@link module:engine/model/textproxy~TextProxy#offsetInText offsetInText} equals `0`) and text proxy sizes is equal to\n\t * text node size.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isPartial() {\n\t\treturn this.offsetSize !== this.textNode.offsetSize;\n\t}\n\n\t/**\n\t * Parent of this text proxy, which is same as parent of text node represented by this text proxy.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tget parent() {\n\t\treturn this.textNode.parent;\n\t}\n\n\t/**\n\t * Root of this text proxy, which is same as root of text node represented by this text proxy.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.textNode.root;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\ttextProxy.is( '$textProxy' ); // -> true\n\t *\t\ttextProxy.is( 'model:$textProxy' ); // -> true\n\t *\n\t *\t\ttextProxy.is( 'view:$textProxy' ); // -> false\n\t *\t\ttextProxy.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * **Note:** Until version 20.0.0 this method wasn't accepting `'$textProxy'` type. The legacy `'textProxt'` type is still\n\t * accepted for backward compatibility.\n\t *\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === '$textProxy' || type === 'model:$textProxy' ||\n\t\t\t// This are legacy values kept for backward compatibility.\n\t\t\ttype === 'textProxy' || type === 'model:textProxy';\n\t}\n\n\t/**\n\t * Gets path to this text proxy.\n\t *\n\t * @see module:engine/model/node~Node#getPath\n\t * @returns {Array.<Number>}\n\t */\n\tgetPath() {\n\t\tconst path = this.textNode.getPath();\n\n\t\tif ( path.length > 0 ) {\n\t\t\tpath[ path.length - 1 ] += this.offsetInText;\n\t\t}\n\n\t\treturn path;\n\t}\n\n\t/**\n\t * Returns ancestors array of this text proxy.\n\t *\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` this text proxy will be also included in parent's array.\n\t * @param {Boolean} [options.parentFirst=false] When set to `true`, array will be sorted from text proxy parent to root element,\n\t * otherwise root element will be the first item in the array.\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors( options = { includeSelf: false, parentFirst: false } ) {\n\t\tconst ancestors = [];\n\t\tlet parent = options.includeSelf ? this : this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tancestors[ options.parentFirst ? 'push' : 'unshift' ]( parent );\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn ancestors;\n\t}\n\n\t/**\n\t * Checks if this text proxy has an attribute for given key.\n\t *\n\t * @param {String} key Key of attribute to check.\n\t * @returns {Boolean} `true` if attribute with given key is set on text proxy, `false` otherwise.\n\t */\n\thasAttribute( key ) {\n\t\treturn this.textNode.hasAttribute( key );\n\t}\n\n\t/**\n\t * Gets an attribute value for given key or `undefined` if that attribute is not set on text proxy.\n\t *\n\t * @param {String} key Key of attribute to look for.\n\t * @returns {*} Attribute value or `undefined`.\n\t */\n\tgetAttribute( key ) {\n\t\treturn this.textNode.getAttribute( key );\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this node's attributes. Attributes are returned as arrays containing two\n\t * items. First one is attribute key and second is attribute value.\n\t *\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\tgetAttributes() {\n\t\treturn this.textNode.getAttributes();\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this node's attribute keys.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetAttributeKeys() {\n\t\treturn this.textNode.getAttributeKeys();\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `#${ this.data }`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelTextProxy: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( `ModelTextProxy: ${ this }, ` +\n\t// @if CK_DEBUG_ENGINE // \t\t`attrs: ${ convertMapToStringifiedObject( this.getAttributes() ) }` );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/nodelist\n */\n\nimport Node from './node';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Provides an interface to operate on a list of {@link module:engine/model/node~Node nodes}. `NodeList` is used internally\n * in classes like {@link module:engine/model/element~Element Element}\n * or {@link module:engine/model/documentfragment~DocumentFragment DocumentFragment}.\n */\nexport default class NodeList {\n\t/**\n\t * Creates an empty node list.\n\t *\n\t * @protected\n\t * @param {Iterable.<module:engine/model/node~Node>} nodes Nodes contained in this node list.\n\t */\n\tconstructor( nodes ) {\n\t\t/**\n\t\t * Nodes contained in this node list.\n\t\t *\n\t\t * @private\n\t\t * @member {Array.<module:engine/model/node~Node>}\n\t\t */\n\t\tthis._nodes = [];\n\n\t\tif ( nodes ) {\n\t\t\tthis._insertNodes( 0, nodes );\n\t\t}\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all nodes contained inside this node list.\n\t *\n\t * @returns {Iterable.<module:engine/model/node~Node>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._nodes[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Number of nodes contained inside this node list.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget length() {\n\t\treturn this._nodes.length;\n\t}\n\n\t/**\n\t * Sum of {@link module:engine/model/node~Node#offsetSize offset sizes} of all nodes contained inside this node list.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget maxOffset() {\n\t\treturn this._nodes.reduce( ( sum, node ) => sum + node.offsetSize, 0 );\n\t}\n\n\t/**\n\t * Gets the node at the given index. Returns `null` if incorrect index was passed.\n\t *\n\t * @param {Number} index Index of node.\n\t * @returns {module:engine/model/node~Node|null} Node at given index.\n\t */\n\tgetNode( index ) {\n\t\treturn this._nodes[ index ] || null;\n\t}\n\n\t/**\n\t * Returns an index of the given node. Returns `null` if given node is not inside this node list.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number|null} Child node's index.\n\t */\n\tgetNodeIndex( node ) {\n\t\tconst index = this._nodes.indexOf( node );\n\n\t\treturn index == -1 ? null : index;\n\t}\n\n\t/**\n\t * Returns the starting offset of given node. Starting offset is equal to the sum of\n\t * {@link module:engine/model/node~Node#offsetSize offset sizes} of all nodes that are before this node in this node list.\n\t *\n\t * @param {module:engine/model/node~Node} node Node to look for.\n\t * @returns {Number|null} Node's starting offset.\n\t */\n\tgetNodeStartOffset( node ) {\n\t\tconst index = this.getNodeIndex( node );\n\n\t\treturn index === null ? null : this._nodes.slice( 0, index ).reduce( ( sum, node ) => sum + node.offsetSize, 0 );\n\t}\n\n\t/**\n\t * Converts index to offset in node list.\n\t *\n\t * Returns starting offset of a node that is at given index. Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * `model-nodelist-index-out-of-bounds` if given index is less than `0` or more than {@link #length}.\n\t *\n\t * @param {Number} index Node's index.\n\t * @returns {Number} Node's starting offset.\n\t */\n\tindexToOffset( index ) {\n\t\tif ( index == this._nodes.length ) {\n\t\t\treturn this.maxOffset;\n\t\t}\n\n\t\tconst node = this._nodes[ index ];\n\n\t\tif ( !node ) {\n\t\t\t/**\n\t\t\t * Given index cannot be found in the node list.\n\t\t\t *\n\t\t\t * @error model-nodelist-index-out-of-bounds\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-nodelist-index-out-of-bounds', this );\n\t\t}\n\n\t\treturn this.getNodeStartOffset( node );\n\t}\n\n\t/**\n\t * Converts offset in node list to index.\n\t *\n\t * Returns index of a node that occupies given offset. Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * `model-nodelist-offset-out-of-bounds` if given offset is less than `0` or more than {@link #maxOffset}.\n\t *\n\t * @param {Number} offset Offset to look for.\n\t * @returns {Number} Index of a node that occupies given offset.\n\t */\n\toffsetToIndex( offset ) {\n\t\tlet totalOffset = 0;\n\n\t\tfor ( const node of this._nodes ) {\n\t\t\tif ( offset >= totalOffset && offset < totalOffset + node.offsetSize ) {\n\t\t\t\treturn this.getNodeIndex( node );\n\t\t\t}\n\n\t\t\ttotalOffset += node.offsetSize;\n\t\t}\n\n\t\tif ( totalOffset != offset ) {\n\t\t\t/**\n\t\t\t * Given offset cannot be found in the node list.\n\t\t\t *\n\t\t\t * @error model-nodelist-offset-out-of-bounds\n\t\t\t * @param {Number} offset\n\t\t\t * @param {module:engine/model/nodelist~NodeList} nodeList Stringified node list.\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-nodelist-offset-out-of-bounds',\n\t\t\t\tthis,\n\t\t\t\t{\n\t\t\t\t\toffset,\n\t\t\t\t\tnodeList: this\n\t\t\t\t}\n\t\t\t);\n\t\t}\n\n\t\treturn this.length;\n\t}\n\n\t/**\n\t * Inserts given nodes at given index.\n\t *\n\t * @protected\n\t * @param {Number} index Index at which nodes should be inserted.\n\t * @param {Iterable.<module:engine/model/node~Node>} nodes Nodes to be inserted.\n\t */\n\t_insertNodes( index, nodes ) {\n\t\t// Validation.\n\t\tfor ( const node of nodes ) {\n\t\t\tif ( !( node instanceof Node ) ) {\n\t\t\t\t/**\n\t\t\t\t * Trying to insert an object which is not a Node instance.\n\t\t\t\t *\n\t\t\t\t * @error model-nodelist-insertnodes-not-node\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-nodelist-insertnodes-not-node', this );\n\t\t\t}\n\t\t}\n\n\t\tthis._nodes.splice( index, 0, ...nodes );\n\t}\n\n\t/**\n\t * Removes one or more nodes starting at the given index.\n\t *\n\t * @protected\n\t * @param {Number} indexStart Index of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @returns {Array.<module:engine/model/node~Node>} Array containing removed nodes.\n\t */\n\t_removeNodes( indexStart, howMany = 1 ) {\n\t\treturn this._nodes.splice( indexStart, howMany );\n\t}\n\n\t/**\n\t * Converts `NodeList` instance to an array containing nodes that were inserted in the node list. Nodes\n\t * are also converted to their plain object representation.\n\t *\n\t * @returns {Array.<module:engine/model/node~Node>} `NodeList` instance converted to `Array`.\n\t */\n\ttoJSON() {\n\t\treturn this._nodes.map( node => node.toJSON() );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/element\n */\n\nimport Node from './node';\nimport NodeList from './nodelist';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\n\n// @if CK_DEBUG_ENGINE // const { stringifyMap, convertMapToStringifiedObject, convertMapToTags } = require( '../dev-utils/utils' );\n\n/**\n * Model element. Type of {@link module:engine/model/node~Node node} that has a {@link module:engine/model/element~Element#name name} and\n * {@link module:engine/model/element~Element#getChildren child nodes}.\n *\n * **Important**: see {@link module:engine/model/node~Node} to read about restrictions using `Element` and `Node` API.\n *\n * @extends module:engine/model/node~Node\n */\nexport default class Element extends Node {\n\t/**\n\t * Creates a model element.\n\t *\n\t * **Note:** Constructor of this class shouldn't be used directly in the code.\n\t * Use the {@link module:engine/model/writer~Writer#createElement} method instead.\n\t *\n\t * @protected\n\t * @param {String} name Element's name.\n\t * @param {Object} [attrs] Element's attributes. See {@link module:utils/tomap~toMap} for a list of accepted values.\n\t * @param {module:engine/model/node~Node|Iterable.<module:engine/model/node~Node>} [children]\n\t * One or more nodes to be inserted as children of created element.\n\t */\n\tconstructor( name, attrs, children ) {\n\t\tsuper( attrs );\n\n\t\t/**\n\t\t * Element name.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} module:engine/model/element~Element#name\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * List of children nodes.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/nodelist~NodeList} module:engine/model/element~Element#_children\n\t\t */\n\t\tthis._children = new NodeList();\n\n\t\tif ( children ) {\n\t\t\tthis._insertChild( 0, children );\n\t\t}\n\t}\n\n\t/**\n\t * Number of this element's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget childCount() {\n\t\treturn this._children.length;\n\t}\n\n\t/**\n\t * Sum of {@link module:engine/model/node~Node#offsetSize offset sizes} of all of this element's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget maxOffset() {\n\t\treturn this._children.maxOffset;\n\t}\n\n\t/**\n\t * Is `true` if there are no nodes inside this element, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this.childCount === 0;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\telement.is( 'element' ); // -> true\n\t *\t\telement.is( 'node' ); // -> true\n\t *\t\telement.is( 'model:element' ); // -> true\n\t *\t\telement.is( 'model:node' ); // -> true\n\t *\n\t *\t\telement.is( 'view:element' ); // -> false\n\t *\t\telement.is( 'documentSelection' ); // -> false\n\t *\n\t * Assuming that the object being checked is an element, you can also check its\n\t * {@link module:engine/model/element~Element#name name}:\n\t *\n\t *\t\telement.is( 'element', 'image' ); // -> true if this is an <image> element\n\t *\t\telement.is( 'element', 'image' ); // -> same as above\n\t *\t\ttext.is( 'element', 'image' ); -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'element' || type === 'model:element' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'node' || type === 'model:node';\n\t\t}\n\n\t\treturn name === this.name && ( type === 'element' || type === 'model:element' );\n\t}\n\n\t/**\n\t * Gets the child at the given index.\n\t *\n\t * @param {Number} index Index of child.\n\t * @returns {module:engine/model/node~Node} Child node.\n\t */\n\tgetChild( index ) {\n\t\treturn this._children.getNode( index );\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all of this element's children.\n\t *\n\t * @returns {Iterable.<module:engine/model/node~Node>}\n\t */\n\tgetChildren() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Returns an index of the given child node. Returns `null` if given node is not a child of this element.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number} Child node's index in this element.\n\t */\n\tgetChildIndex( node ) {\n\t\treturn this._children.getNodeIndex( node );\n\t}\n\n\t/**\n\t * Returns the starting offset of given child. Starting offset is equal to the sum of\n\t * {@link module:engine/model/node~Node#offsetSize offset sizes} of all node's siblings that are before it. Returns `null` if\n\t * given node is not a child of this element.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number} Child node's starting offset.\n\t */\n\tgetChildStartOffset( node ) {\n\t\treturn this._children.getNodeStartOffset( node );\n\t}\n\n\t/**\n\t * Returns index of a node that occupies given offset. If given offset is too low, returns `0`. If given offset is\n\t * too high, returns {@link module:engine/model/element~Element#getChildIndex index after last child}.\n\t *\n\t *\t\tconst textNode = new Text( 'foo' );\n\t *\t\tconst pElement = new Element( 'p' );\n\t *\t\tconst divElement = new Element( [ textNode, pElement ] );\n\t *\t\tdivElement.offsetToIndex( -1 ); // Returns 0, because offset is too low.\n\t *\t\tdivElement.offsetToIndex( 0 ); // Returns 0, because offset 0 is taken by `textNode` which is at index 0.\n\t *\t\tdivElement.offsetToIndex( 1 ); // Returns 0, because `textNode` has `offsetSize` equal to 3, so it occupies offset 1 too.\n\t *\t\tdivElement.offsetToIndex( 2 ); // Returns 0.\n\t *\t\tdivElement.offsetToIndex( 3 ); // Returns 1.\n\t *\t\tdivElement.offsetToIndex( 4 ); // Returns 2. There are no nodes at offset 4, so last available index is returned.\n\t *\n\t * @param {Number} offset Offset to look for.\n\t * @returns {Number}\n\t */\n\toffsetToIndex( offset ) {\n\t\treturn this._children.offsetToIndex( offset );\n\t}\n\n\t/**\n\t * Returns a descendant node by its path relative to this element.\n\t *\n\t *\t\t// <this>a<b>c</b></this>\n\t *\t\tthis.getNodeByPath( [ 0 ] );     // -> \"a\"\n\t *\t\tthis.getNodeByPath( [ 1 ] );     // -> <b>\n\t *\t\tthis.getNodeByPath( [ 1, 0 ] );  // -> \"c\"\n\t *\n\t * @param {Array.<Number>} relativePath Path of the node to find, relative to this element.\n\t * @returns {module:engine/model/node~Node}\n\t */\n\tgetNodeByPath( relativePath ) {\n\t\tlet node = this; // eslint-disable-line consistent-this\n\n\t\tfor ( const index of relativePath ) {\n\t\t\tnode = node.getChild( node.offsetToIndex( index ) );\n\t\t}\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Returns the parent element of the given name. Returns null if the element is not inside the desired parent.\n\t *\n\t * @param {String} parentName The name of the parent element to find.\n\t * @param {Object} [options] Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` this node will be also included while searching.\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tfindAncestor( parentName, options = { includeSelf: false } ) {\n\t\tlet parent = options.includeSelf ? this : this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tif ( parent.name === parentName ) {\n\t\t\t\treturn parent;\n\t\t\t}\n\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Converts `Element` instance to plain object and returns it. Takes care of converting all of this element's children.\n\t *\n\t * @returns {Object} `Element` instance converted to plain object.\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.name = this.name;\n\n\t\tif ( this._children.length > 0 ) {\n\t\t\tjson.children = [];\n\n\t\t\tfor ( const node of this._children ) {\n\t\t\t\tjson.children.push( node.toJSON() );\n\t\t\t}\n\t\t}\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Creates a copy of this element and returns it. Created element has the same name and attributes as the original element.\n\t * If clone is deep, the original element's children are also cloned. If not, then empty element is returned.\n\t *\n\t * @protected\n\t * @param {Boolean} [deep=false] If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any child.\n\t */\n\t_clone( deep = false ) {\n\t\tconst children = deep ? Array.from( this._children ).map( node => node._clone( true ) ) : null;\n\n\t\treturn new Element( this.name, this.getAttributes(), children );\n\t}\n\n\t/**\n\t * {@link module:engine/model/element~Element#_insertChild Inserts} one or more nodes at the end of this element.\n\t *\n\t * @see module:engine/model/writer~Writer#append\n\t * @protected\n\t * @param {module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>} nodes Nodes to be inserted.\n\t */\n\t_appendChild( nodes ) {\n\t\tthis._insertChild( this.childCount, nodes );\n\t}\n\n\t/**\n\t * Inserts one or more nodes at the given index and sets {@link module:engine/model/node~Node#parent parent} of these nodes\n\t * to this element.\n\t *\n\t * @see module:engine/model/writer~Writer#insert\n\t * @protected\n\t * @param {Number} index Index at which nodes should be inserted.\n\t * @param {module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>} items Items to be inserted.\n\t */\n\t_insertChild( index, items ) {\n\t\tconst nodes = normalize( items );\n\n\t\tfor ( const node of nodes ) {\n\t\t\t// If node that is being added to this element is already inside another element, first remove it from the old parent.\n\t\t\tif ( node.parent !== null ) {\n\t\t\t\tnode._remove();\n\t\t\t}\n\n\t\t\tnode.parent = this;\n\t\t}\n\n\t\tthis._children._insertNodes( index, nodes );\n\t}\n\n\t/**\n\t * Removes one or more nodes starting at the given index and sets\n\t * {@link module:engine/model/node~Node#parent parent} of these nodes to `null`.\n\t *\n\t * @see module:engine/model/writer~Writer#remove\n\t * @protected\n\t * @param {Number} index Index of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @returns {Array.<module:engine/model/node~Node>} Array containing removed nodes.\n\t */\n\t_removeChildren( index, howMany = 1 ) {\n\t\tconst nodes = this._children._removeNodes( index, howMany );\n\n\t\tfor ( const node of nodes ) {\n\t\t\tnode.parent = null;\n\t\t}\n\n\t\treturn nodes;\n\t}\n\n\t/**\n\t * Creates an `Element` instance from given plain object (i.e. parsed JSON string).\n\t * Converts `Element` children to proper nodes.\n\t *\n\t * @param {Object} json Plain object to be converted to `Element`.\n\t * @returns {module:engine/model/element~Element} `Element` instance created using given plain object.\n\t */\n\tstatic fromJSON( json ) {\n\t\tlet children = null;\n\n\t\tif ( json.children ) {\n\t\t\tchildren = [];\n\n\t\t\tfor ( const child of json.children ) {\n\t\t\t\tif ( child.name ) {\n\t\t\t\t\t// If child has name property, it is an Element.\n\t\t\t\t\tchildren.push( Element.fromJSON( child ) );\n\t\t\t\t} else {\n\t\t\t\t\t// Otherwise, it is a Text node.\n\t\t\t\t\tchildren.push( Text.fromJSON( child ) );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn new Element( json.name, json.attributes, children );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `<${ this.rootName || this.name }>`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelElement: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( `ModelElement: ${ this }, ${ this.childCount } children,\n\t// @if CK_DEBUG_ENGINE //\t\tattrs: ${ convertMapToStringifiedObject( this.getAttributes() ) }` );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logAll() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( '--------------------' );\n\t// @if CK_DEBUG_ENGINE //\n\t// @if CK_DEBUG_ENGINE // \tthis.logExtended();\n\t// @if CK_DEBUG_ENGINE //\tconsole.log( 'List of children:' );\n\t// @if CK_DEBUG_ENGINE //\n\t// @if CK_DEBUG_ENGINE // \tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE // \t\tchild.log();\n\t// @if CK_DEBUG_ENGINE // \t}\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // printTree( level = 0) {\n\t// @if CK_DEBUG_ENGINE // \tlet string = '';\n\n\t// @if CK_DEBUG_ENGINE // \tstring += '\\t'.repeat( level );\n\t// @if CK_DEBUG_ENGINE // \tstring += `<${ this.rootName || this.name }${ convertMapToTags( this.getAttributes() ) }>`;\n\n\t// @if CK_DEBUG_ENGINE // \tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE // \t\tstring += '\\n';\n\n\t// @if CK_DEBUG_ENGINE // \t\tif ( child.is( '$text' ) ) {\n\t// @if CK_DEBUG_ENGINE // \t\t\tconst textAttrs = convertMapToTags( child._attrs );\n\n\t// @if CK_DEBUG_ENGINE // \t\t\tstring += '\\t'.repeat( level + 1 );\n\n\t// @if CK_DEBUG_ENGINE // \t\t\tif ( textAttrs !== '' ) {\n\t// @if CK_DEBUG_ENGINE // \t\t\t\tstring += `<$text${ textAttrs }>` + child.data + '</$text>';\n\t// @if CK_DEBUG_ENGINE // \t\t\t} else {\n\t// @if CK_DEBUG_ENGINE // \t\t\t\tstring += child.data;\n\t// @if CK_DEBUG_ENGINE // \t\t\t}\n\t// @if CK_DEBUG_ENGINE // \t\t} else {\n\t// @if CK_DEBUG_ENGINE // \t\t\tstring += child.printTree( level + 1 );\n\t// @if CK_DEBUG_ENGINE // \t\t}\n\t// @if CK_DEBUG_ENGINE // \t}\n\n\t// @if CK_DEBUG_ENGINE // \tif ( this.childCount ) {\n\t// @if CK_DEBUG_ENGINE // \t\tstring += '\\n' + '\\t'.repeat( level );\n\t// @if CK_DEBUG_ENGINE // \t}\n\n\t// @if CK_DEBUG_ENGINE // \tstring += `</${ this.rootName || this.name }>`;\n\n\t// @if CK_DEBUG_ENGINE // \treturn string;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logTree() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.printTree() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n// Converts strings to Text and non-iterables to arrays.\n//\n// @param {String|module:engine/model/item~Item|Iterable.<String|module:engine/model/item~Item>}\n// @returns {Iterable.<module:engine/model/node~Node>}\nfunction normalize( nodes ) {\n\t// Separate condition because string is iterable.\n\tif ( typeof nodes == 'string' ) {\n\t\treturn [ new Text( nodes ) ];\n\t}\n\n\tif ( !isIterable( nodes ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Array.from to enable .map() on non-arrays.\n\treturn Array.from( nodes )\n\t\t.map( node => {\n\t\t\tif ( typeof node == 'string' ) {\n\t\t\t\treturn new Text( node );\n\t\t\t}\n\n\t\t\tif ( node instanceof TextProxy ) {\n\t\t\t\treturn new Text( node.data, node.getAttributes() );\n\t\t\t}\n\n\t\t\treturn node;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/treewalker\n */\n\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport Element from './element';\nimport {\n\tdefault as Position,\n\tgetTextNodeAtPosition,\n\tgetNodeAfterPosition,\n\tgetNodeBeforePosition\n} from './position';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Position iterator class. It allows to iterate forward and backward over the document.\n */\nexport default class TreeWalker {\n\t/**\n\t * Creates a range iterator. All parameters are optional, but you have to specify either `boundaries` or `startPosition`.\n\t *\n\t * @constructor\n\t * @param {Object} [options={}] Object with configuration.\n\t * @param {'forward'|'backward'} [options.direction='forward'] Walking direction.\n\t * @param {module:engine/model/range~Range} [options.boundaries=null] Range to define boundaries of the iterator.\n\t * @param {module:engine/model/position~Position} [options.startPosition] Starting position.\n\t * @param {Boolean} [options.singleCharacters=false] Flag indicating whether all consecutive characters with the same attributes\n\t * should be returned one by one as multiple {@link module:engine/model/textproxy~TextProxy} (`true`) objects or as one\n\t * {@link module:engine/model/textproxy~TextProxy} (`false`).\n\t * @param {Boolean} [options.shallow=false] Flag indicating whether iterator should enter elements or not. If the\n\t * iterator is shallow child nodes of any iterated node will not be returned along with `elementEnd` tag.\n\t * @param {Boolean} [options.ignoreElementEnd=false] Flag indicating whether iterator should ignore `elementEnd`\n\t * tags. If the option is true walker will not return a parent node of start position. If this option is `true`\n\t * each {@link module:engine/model/element~Element} will be returned once, while if the option is `false` they might be returned\n\t * twice: for `'elementStart'` and `'elementEnd'`.\n\t */\n\tconstructor( options = {} ) {\n\t\tif ( !options.boundaries && !options.startPosition ) {\n\t\t\t/**\n\t\t\t * Neither boundaries nor starting position of a `TreeWalker` have been defined.\n\t\t\t *\n\t\t\t * @error model-tree-walker-no-start-position\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-tree-walker-no-start-position',\n\t\t\t\tnull\n\t\t\t);\n\t\t}\n\n\t\tconst direction = options.direction || 'forward';\n\n\t\tif ( direction != 'forward' && direction != 'backward' ) {\n\t\t\t/**\n\t\t\t * Only `backward` and `forward` direction allowed.\n\t\t\t *\n\t\t\t * @error model-tree-walker-unknown-direction\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-tree-walker-unknown-direction', options, { direction } );\n\t\t}\n\n\t\t/**\n\t\t * Walking direction. Defaults `'forward'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'backward'|'forward'} module:engine/model/treewalker~TreeWalker#direction\n\t\t */\n\t\tthis.direction = direction;\n\n\t\t/**\n\t\t * Iterator boundaries.\n\t\t *\n\t\t * When the iterator is walking `'forward'` on the end of boundary or is walking `'backward'`\n\t\t * on the start of boundary, then `{ done: true }` is returned.\n\t\t *\n\t\t * If boundaries are not defined they are set before first and after last child of the root node.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/range~Range} module:engine/model/treewalker~TreeWalker#boundaries\n\t\t */\n\t\tthis.boundaries = options.boundaries || null;\n\n\t\t/**\n\t\t * Iterator position. This is always static position, even if the initial position was a\n\t\t * {@link module:engine/model/liveposition~LivePosition live position}. If start position is not defined then position depends\n\t\t * on {@link #direction}. If direction is `'forward'` position starts form the beginning, when direction\n\t\t * is `'backward'` position starts from the end.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/position~Position} module:engine/model/treewalker~TreeWalker#position\n\t\t */\n\t\tif ( options.startPosition ) {\n\t\t\tthis.position = options.startPosition.clone();\n\t\t} else {\n\t\t\tthis.position = Position._createAt( this.boundaries[ this.direction == 'backward' ? 'end' : 'start' ] );\n\t\t}\n\n\t\t// Reset position stickiness in case it was set to other value, as the stickiness is kept after cloning.\n\t\tthis.position.stickiness = 'toNone';\n\n\t\t/**\n\t\t * Flag indicating whether all consecutive characters with the same attributes should be\n\t\t * returned as one {@link module:engine/model/textproxy~TextProxy} (`true`) or one by one (`false`).\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/model/treewalker~TreeWalker#singleCharacters\n\t\t */\n\t\tthis.singleCharacters = !!options.singleCharacters;\n\n\t\t/**\n\t\t * Flag indicating whether iterator should enter elements or not. If the iterator is shallow child nodes of any\n\t\t * iterated node will not be returned along with `elementEnd` tag.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/model/treewalker~TreeWalker#shallow\n\t\t */\n\t\tthis.shallow = !!options.shallow;\n\n\t\t/**\n\t\t * Flag indicating whether iterator should ignore `elementEnd` tags. If the option is true walker will not\n\t\t * return a parent node of the start position. If this option is `true` each {@link module:engine/model/element~Element} will\n\t\t * be returned once, while if the option is `false` they might be returned twice:\n\t\t * for `'elementStart'` and `'elementEnd'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/model/treewalker~TreeWalker#ignoreElementEnd\n\t\t */\n\t\tthis.ignoreElementEnd = !!options.ignoreElementEnd;\n\n\t\t/**\n\t\t * Start boundary cached for optimization purposes.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/element~Element} module:engine/model/treewalker~TreeWalker#_boundaryStartParent\n\t\t */\n\t\tthis._boundaryStartParent = this.boundaries ? this.boundaries.start.parent : null;\n\n\t\t/**\n\t\t * End boundary cached for optimization purposes.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/element~Element} module:engine/model/treewalker~TreeWalker#_boundaryEndParent\n\t\t */\n\t\tthis._boundaryEndParent = this.boundaries ? this.boundaries.end.parent : null;\n\n\t\t/**\n\t\t * Parent of the most recently visited node. Cached for optimization purposes.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment}\n\t\t * module:engine/model/treewalker~TreeWalker#_visitedParent\n\t\t */\n\t\tthis._visitedParent = this.position.parent;\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<module:engine/model/treewalker~TreeWalkerValue>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Moves {@link #position} in the {@link #direction} skipping values as long as the callback function returns `true`.\n\t *\n\t * For example:\n\t *\n\t * \t\twalker.skip( value => value.type == 'text' ); // <paragraph>[]foo</paragraph> -> <paragraph>foo[]</paragraph>\n\t * \t\twalker.skip( () => true ); // Move the position to the end: <paragraph>[]foo</paragraph> -> <paragraph>foo</paragraph>[]\n\t * \t\twalker.skip( () => false ); // Do not move the position.\n\t *\n\t * @param {Function} skip Callback function. Gets {@link module:engine/model/treewalker~TreeWalkerValue} and should\n\t * return `true` if the value should be skipped or `false` if not.\n\t */\n\tskip( skip ) {\n\t\tlet done, value, prevPosition, prevVisitedParent;\n\n\t\tdo {\n\t\t\tprevPosition = this.position;\n\t\t\tprevVisitedParent = this._visitedParent;\n\n\t\t\t( { done, value } = this.next() );\n\t\t} while ( !done && skip( value ) );\n\n\t\tif ( !done ) {\n\t\t\tthis.position = prevPosition;\n\t\t\tthis._visitedParent = prevVisitedParent;\n\t\t}\n\t}\n\n\t/**\n\t * Gets the next tree walker's value.\n\t *\n\t * @returns {module:engine/model/treewalker~TreeWalkerValue} Next tree walker's value.\n\t */\n\tnext() {\n\t\tif ( this.direction == 'forward' ) {\n\t\t\treturn this._next();\n\t\t} else {\n\t\t\treturn this._previous();\n\t\t}\n\t}\n\n\t/**\n\t * Makes a step forward in model. Moves the {@link #position} to the next position and returns the encountered value.\n\t *\n\t * @private\n\t * @returns {Object}\n\t * @returns {Boolean} return.done True if iterator is done.\n\t * @returns {module:engine/model/treewalker~TreeWalkerValue} return.value Information about taken step.\n\t */\n\t_next() {\n\t\tconst previousPosition = this.position;\n\t\tconst position = this.position.clone();\n\t\tconst parent = this._visitedParent;\n\n\t\t// We are at the end of the root.\n\t\tif ( parent.parent === null && position.offset === parent.maxOffset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We reached the walker boundary.\n\t\tif ( parent === this._boundaryEndParent && position.offset == this.boundaries.end.offset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// Get node just after the current position.\n\t\t// Use a highly optimized version instead of checking the text node first and then getting the node after. See #6582.\n\t\tconst positionParent = position.parent;\n\t\tconst textNodeAtPosition = getTextNodeAtPosition( position, positionParent );\n\t\tconst node = textNodeAtPosition ? textNodeAtPosition : getNodeAfterPosition( position, positionParent, textNodeAtPosition );\n\n\t\tif ( node instanceof Element ) {\n\t\t\tif ( !this.shallow ) {\n\t\t\t\t// Manual operations on path internals for optimization purposes. Here and in the rest of the method.\n\t\t\t\tposition.path.push( 0 );\n\t\t\t\tthis._visitedParent = node;\n\t\t\t} else {\n\t\t\t\tposition.offset++;\n\t\t\t}\n\n\t\t\tthis.position = position;\n\n\t\t\treturn formatReturnValue( 'elementStart', node, previousPosition, position, 1 );\n\t\t} else if ( node instanceof Text ) {\n\t\t\tlet charactersCount;\n\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\tcharactersCount = 1;\n\t\t\t} else {\n\t\t\t\tlet offset = node.endOffset;\n\n\t\t\t\tif ( this._boundaryEndParent == parent && this.boundaries.end.offset < offset ) {\n\t\t\t\t\toffset = this.boundaries.end.offset;\n\t\t\t\t}\n\n\t\t\t\tcharactersCount = offset - position.offset;\n\t\t\t}\n\n\t\t\tconst offsetInTextNode = position.offset - node.startOffset;\n\t\t\tconst item = new TextProxy( node, offsetInTextNode, charactersCount );\n\n\t\t\tposition.offset += charactersCount;\n\t\t\tthis.position = position;\n\n\t\t\treturn formatReturnValue( 'text', item, previousPosition, position, charactersCount );\n\t\t} else {\n\t\t\t// `node` is not set, we reached the end of current `parent`.\n\t\t\tposition.path.pop();\n\t\t\tposition.offset++;\n\t\t\tthis.position = position;\n\t\t\tthis._visitedParent = parent.parent;\n\n\t\t\tif ( this.ignoreElementEnd ) {\n\t\t\t\treturn this._next();\n\t\t\t} else {\n\t\t\t\treturn formatReturnValue( 'elementEnd', parent, previousPosition, position );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Makes a step backward in model. Moves the {@link #position} to the previous position and returns the encountered value.\n\t *\n\t * @private\n\t * @returns {Object}\n\t * @returns {Boolean} return.done True if iterator is done.\n\t * @returns {module:engine/model/treewalker~TreeWalkerValue} return.value Information about taken step.\n\t */\n\t_previous() {\n\t\tconst previousPosition = this.position;\n\t\tconst position = this.position.clone();\n\t\tconst parent = this._visitedParent;\n\n\t\t// We are at the beginning of the root.\n\t\tif ( parent.parent === null && position.offset === 0 ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We reached the walker boundary.\n\t\tif ( parent == this._boundaryStartParent && position.offset == this.boundaries.start.offset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// Get node just before the current position.\n\t\t// Use a highly optimized version instead of checking the text node first and then getting the node before. See #6582.\n\t\tconst positionParent = position.parent;\n\t\tconst textNodeAtPosition = getTextNodeAtPosition( position, positionParent );\n\t\tconst node = textNodeAtPosition ? textNodeAtPosition : getNodeBeforePosition( position, positionParent, textNodeAtPosition );\n\n\t\tif ( node instanceof Element ) {\n\t\t\tposition.offset--;\n\n\t\t\tif ( !this.shallow ) {\n\t\t\t\tposition.path.push( node.maxOffset );\n\t\t\t\tthis.position = position;\n\t\t\t\tthis._visitedParent = node;\n\n\t\t\t\tif ( this.ignoreElementEnd ) {\n\t\t\t\t\treturn this._previous();\n\t\t\t\t} else {\n\t\t\t\t\treturn formatReturnValue( 'elementEnd', node, previousPosition, position );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn formatReturnValue( 'elementStart', node, previousPosition, position, 1 );\n\t\t\t}\n\t\t} else if ( node instanceof Text ) {\n\t\t\tlet charactersCount;\n\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\tcharactersCount = 1;\n\t\t\t} else {\n\t\t\t\tlet offset = node.startOffset;\n\n\t\t\t\tif ( this._boundaryStartParent == parent && this.boundaries.start.offset > offset ) {\n\t\t\t\t\toffset = this.boundaries.start.offset;\n\t\t\t\t}\n\n\t\t\t\tcharactersCount = position.offset - offset;\n\t\t\t}\n\n\t\t\tconst offsetInTextNode = position.offset - node.startOffset;\n\t\t\tconst item = new TextProxy( node, offsetInTextNode - charactersCount, charactersCount );\n\n\t\t\tposition.offset -= charactersCount;\n\t\t\tthis.position = position;\n\n\t\t\treturn formatReturnValue( 'text', item, previousPosition, position, charactersCount );\n\t\t} else {\n\t\t\t// `node` is not set, we reached the beginning of current `parent`.\n\t\t\tposition.path.pop();\n\t\t\tthis.position = position;\n\t\t\tthis._visitedParent = parent.parent;\n\n\t\t\treturn formatReturnValue( 'elementStart', parent, previousPosition, position, 1 );\n\t\t}\n\t}\n}\n\nfunction formatReturnValue( type, item, previousPosition, nextPosition, length ) {\n\treturn {\n\t\tdone: false,\n\t\tvalue: {\n\t\t\ttype,\n\t\t\titem,\n\t\t\tpreviousPosition,\n\t\t\tnextPosition,\n\t\t\tlength\n\t\t}\n\t};\n}\n\n/**\n * Type of the step made by {@link module:engine/model/treewalker~TreeWalker}.\n * Possible values: `'elementStart'` if walker is at the beginning of a node, `'elementEnd'` if walker is at the end of node,\n * `'character'` if walker traversed over a character, or `'text'` if walker traversed over multiple characters (available in\n * character merging mode, see {@link module:engine/model/treewalker~TreeWalker#constructor}).\n *\n * @typedef {'elementStart'|'elementEnd'|'character'|'text'} module:engine/model/treewalker~TreeWalkerValueType\n */\n\n/**\n * Object returned by {@link module:engine/model/treewalker~TreeWalker} when traversing tree model.\n *\n * @typedef {Object} module:engine/model/treewalker~TreeWalkerValue\n * @property {module:engine/model/treewalker~TreeWalkerValueType} type\n * @property {module:engine/model/item~Item} item Item between old and new positions of {@link module:engine/model/treewalker~TreeWalker}.\n * @property {module:engine/model/position~Position} previousPosition Previous position of the iterator.\n * * Forward iteration: For `'elementEnd'` it is the last position inside the element. For all other types it is the\n * position before the item.\n * * Backward iteration: For `'elementStart'` it is the first position inside the element. For all other types it is\n * the position after item.\n * @property {module:engine/model/position~Position} nextPosition Next position of the iterator.\n * * Forward iteration: For `'elementStart'` it is the first position inside the element. For all other types it is\n * the position after the item.\n * * Backward iteration: For `'elementEnd'` it is last position inside element. For all other types it is the position\n * before the item.\n * @property {Number} [length] Length of the item. For `'elementStart'` and `'character'` it is 1. For `'text'` it is\n * the length of the text. For `'elementEnd'` it is `undefined`.\n */\n\n/**\n * Tree walking directions.\n *\n * @typedef {'forward'|'backward'} module:engine/model/treewalker~TreeWalkerDirection\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/position\n */\n\nimport TreeWalker from './treewalker';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// To check if component is loaded more than once.\nimport '@ckeditor/ckeditor5-utils/src/version';\n\n/**\n * Represents a position in the model tree.\n *\n * A position is represented by its {@link module:engine/model/position~Position#root} and\n * a {@link module:engine/model/position~Position#path} in that root.\n *\n * You can create position instances via its constructor or the `createPosition*()` factory methods of\n * {@link module:engine/model/model~Model} and {@link module:engine/model/writer~Writer}.\n *\n * **Note:** Position is based on offsets, not indexes. This means that a position between two text nodes\n * `foo` and `bar` has offset `3`, not `1`. See {@link module:engine/model/position~Position#path} for more information.\n *\n * Since a position in the model is represented by a {@link module:engine/model/position~Position#root position root} and\n * {@link module:engine/model/position~Position#path position path} it is possible to create positions placed in non-existing places.\n * This requirement is important for operational transformation algorithms.\n *\n * Also, {@link module:engine/model/operation/operation~Operation operations}\n * kept in the {@link module:engine/model/document~Document#history document history}\n * are storing positions (and ranges) which were correct when those operations were applied, but may not be correct\n * after the document has changed.\n *\n * When changes are applied to the model, it may also happen that {@link module:engine/model/position~Position#parent position parent}\n * will change even if position path has not changed. Keep in mind, that if a position leads to non-existing element,\n * {@link module:engine/model/position~Position#parent} and some other properties and methods will throw errors.\n *\n * In most cases, position with wrong path is caused by an error in code, but it is sometimes needed, as described above.\n */\nexport default class Position {\n\t/**\n\t * Creates a position.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} root Root of the position.\n\t * @param {Array.<Number>} path Position path. See {@link module:engine/model/position~Position#path}.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * See {@link module:engine/model/position~PositionStickiness}.\n\t */\n\tconstructor( root, path, stickiness = 'toNone' ) {\n\t\tif ( !root.is( 'element' ) && !root.is( 'documentFragment' ) ) {\n\t\t\t/**\n\t\t\t * Position root is invalid.\n\t\t\t *\n\t\t\t * Positions can only be anchored in elements or document fragments.\n\t\t\t *\n\t\t\t * @error model-position-root-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-root-invalid',\n\t\t\t\troot\n\t\t\t);\n\t\t}\n\n\t\tif ( !( path instanceof Array ) || path.length === 0 ) {\n\t\t\t/**\n\t\t\t * Position path must be an array with at least one item.\n\t\t\t *\n\t\t\t * @error model-position-path-incorrect-format\n\t\t\t * @param path\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-path-incorrect-format',\n\t\t\t\troot,\n\t\t\t\t{ path }\n\t\t\t);\n\t\t}\n\n\t\t// Normalize the root and path when element (not root) is passed.\n\t\tif ( root.is( 'rootElement' ) ) {\n\t\t\tpath = path.slice();\n\t\t} else {\n\t\t\tpath = [ ...root.getPath(), ...path ];\n\t\t\troot = root.root;\n\t\t}\n\n\t\t/**\n\t\t * Root of the position path.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment}\n\t\t * module:engine/model/position~Position#root\n\t\t */\n\t\tthis.root = root;\n\n\t\t/**\n\t\t * Position of the node in the tree. **Path contains offsets, not indexes.**\n\t\t *\n\t\t * Position can be placed before, after or in a {@link module:engine/model/node~Node node} if that node has\n\t\t * {@link module:engine/model/node~Node#offsetSize} greater than `1`. Items in position path are\n\t\t * {@link module:engine/model/node~Node#startOffset starting offsets} of position ancestors, starting from direct root children,\n\t\t * down to the position offset in it's parent.\n\t\t *\n\t\t *\t\t ROOT\n\t\t *\t\t  |- P            before: [ 0 ]         after: [ 1 ]\n\t\t *\t\t  |- UL           before: [ 1 ]         after: [ 2 ]\n\t\t *\t\t     |- LI        before: [ 1, 0 ]      after: [ 1, 1 ]\n\t\t *\t\t     |  |- foo    before: [ 1, 0, 0 ]   after: [ 1, 0, 3 ]\n\t\t *\t\t     |- LI        before: [ 1, 1 ]      after: [ 1, 2 ]\n\t\t *\t\t        |- bar    before: [ 1, 1, 0 ]   after: [ 1, 1, 3 ]\n\t\t *\n\t\t * `foo` and `bar` are representing {@link module:engine/model/text~Text text nodes}. Since text nodes has offset size\n\t\t * greater than `1` you can place position offset between their start and end:\n\t\t *\n\t\t *\t\t ROOT\n\t\t *\t\t  |- P\n\t\t *\t\t  |- UL\n\t\t *\t\t     |- LI\n\t\t *\t\t     |  |- f^o|o  ^ has path: [ 1, 0, 1 ]   | has path: [ 1, 0, 2 ]\n\t\t *\t\t     |- LI\n\t\t *\t\t        |- b^a|r  ^ has path: [ 1, 1, 1 ]   | has path: [ 1, 1, 2 ]\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<Number>} module:engine/model/position~Position#path\n\t\t */\n\t\tthis.path = path;\n\n\t\t/**\n\t\t * Position stickiness. See {@link module:engine/model/position~PositionStickiness}.\n\t\t *\n\t\t * @member {module:engine/model/position~PositionStickiness} module:engine/model/position~Position#stickiness\n\t\t */\n\t\tthis.stickiness = stickiness;\n\t}\n\n\t/**\n\t * Offset at which this position is located in its {@link module:engine/model/position~Position#parent parent}. It is equal\n\t * to the last item in position {@link module:engine/model/position~Position#path path}.\n\t *\n\t * @type {Number}\n\t */\n\tget offset() {\n\t\treturn this.path[ this.path.length - 1 ];\n\t}\n\n\tset offset( newOffset ) {\n\t\tthis.path[ this.path.length - 1 ] = newOffset;\n\t}\n\n\t/**\n\t * Parent element of this position.\n\t *\n\t * Keep in mind that `parent` value is calculated when the property is accessed.\n\t * If {@link module:engine/model/position~Position#path position path}\n\t * leads to a non-existing element, `parent` property will throw error.\n\t *\n\t * Also it is a good idea to cache `parent` property if it is used frequently in an algorithm (i.e. in a long loop).\n\t *\n\t * @readonly\n\t * @type {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget parent() {\n\t\tlet parent = this.root;\n\n\t\tfor ( let i = 0; i < this.path.length - 1; i++ ) {\n\t\t\tparent = parent.getChild( parent.offsetToIndex( this.path[ i ] ) );\n\n\t\t\tif ( !parent ) {\n\t\t\t\t/**\n\t\t\t\t * The position's path is incorrect. This means that a position does not point to\n\t\t\t\t * a correct place in the tree and hence, some of its methods and getters cannot work correctly.\n\t\t\t\t *\n\t\t\t\t * **Note**: Unlike DOM and view positions, in the model, the\n\t\t\t\t * {@link module:engine/model/position~Position#parent position's parent} is always an element or a document fragment.\n\t\t\t\t * The last offset in the {@link module:engine/model/position~Position#path position's path} is the point in this element\n\t\t\t\t * where this position points.\n\t\t\t\t *\n\t\t\t\t * Read more about model positions and offsets in\n\t\t\t\t * the {@glink framework/guides/architecture/editing-engine#indexes-and-offsets Editing engine architecture guide}.\n\t\t\t\t *\n\t\t\t\t * @error model-position-path-incorrect\n\t\t\t\t * @param {module:engine/model/position~Position} position The incorrect position.\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-position-path-incorrect', this, { position: this } );\n\t\t\t}\n\t\t}\n\n\t\tif ( parent.is( '$text' ) ) {\n\t\t\tthrow new CKEditorError( 'model-position-path-incorrect', this, { position: this } );\n\t\t}\n\n\t\treturn parent;\n\t}\n\n\t/**\n\t * Position {@link module:engine/model/position~Position#offset offset} converted to an index in position's parent node. It is\n\t * equal to the {@link module:engine/model/node~Node#index index} of a node after this position. If position is placed\n\t * in text node, position index is equal to the index of that text node.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget index() {\n\t\treturn this.parent.offsetToIndex( this.offset );\n\t}\n\n\t/**\n\t * Returns {@link module:engine/model/text~Text text node} instance in which this position is placed or `null` if this\n\t * position is not in a text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/text~Text|null}\n\t */\n\tget textNode() {\n\t\treturn getTextNodeAtPosition( this, this.parent );\n\t}\n\n\t/**\n\t * Node directly after this position or `null` if this position is in text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|null}\n\t */\n\tget nodeAfter() {\n\t\t// Cache the parent and reuse for performance reasons. See #6579 and #6582.\n\t\tconst parent = this.parent;\n\n\t\treturn getNodeAfterPosition( this, parent, getTextNodeAtPosition( this, parent ) );\n\t}\n\n\t/**\n\t * Node directly before this position or `null` if this position is in text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|null}\n\t */\n\tget nodeBefore() {\n\t\t// Cache the parent and reuse for performance reasons. See #6579 and #6582.\n\t\tconst parent = this.parent;\n\n\t\treturn getNodeBeforePosition( this, parent, getTextNodeAtPosition( this, parent ) );\n\t}\n\n\t/**\n\t * Is `true` if position is at the beginning of its {@link module:engine/model/position~Position#parent parent}, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAtStart() {\n\t\treturn this.offset === 0;\n\t}\n\n\t/**\n\t * Is `true` if position is at the end of its {@link module:engine/model/position~Position#parent parent}, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAtEnd() {\n\t\treturn this.offset == this.parent.maxOffset;\n\t}\n\n\t/**\n\t * Checks whether this position is before or after given position.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {module:engine/model/position~PositionRelation}\n\t */\n\tcompareWith( otherPosition ) {\n\t\tif ( this.root != otherPosition.root ) {\n\t\t\treturn 'different';\n\t\t}\n\n\t\tconst result = compareArrays( this.path, otherPosition.path );\n\n\t\tswitch ( result ) {\n\t\t\tcase 'same':\n\t\t\t\treturn 'same';\n\n\t\t\tcase 'prefix':\n\t\t\t\treturn 'before';\n\n\t\t\tcase 'extension':\n\t\t\t\treturn 'after';\n\n\t\t\tdefault:\n\t\t\t\treturn this.path[ result ] < otherPosition.path[ result ] ? 'before' : 'after';\n\t\t}\n\t}\n\n\t/**\n\t * Gets the farthest position which matches the callback using\n\t * {@link module:engine/model/treewalker~TreeWalker TreeWalker}.\n\t *\n\t * For example:\n\t *\n\t * \t\tgetLastMatchingPosition( value => value.type == 'text' );\n\t * \t\t// <paragraph>[]foo</paragraph> -> <paragraph>foo[]</paragraph>\n\t *\n\t * \t\tgetLastMatchingPosition( value => value.type == 'text', { direction: 'backward' } );\n\t * \t\t// <paragraph>foo[]</paragraph> -> <paragraph>[]foo</paragraph>\n\t *\n\t * \t\tgetLastMatchingPosition( value => false );\n\t * \t\t// Do not move the position.\n\t *\n\t * @param {Function} skip Callback function. Gets {@link module:engine/model/treewalker~TreeWalkerValue} and should\n\t * return `true` if the value should be skipped or `false` if not.\n\t * @param {Object} options Object with configuration options. See {@link module:engine/model/treewalker~TreeWalker}.\n\t *\n\t * @returns {module:engine/model/position~Position} The position after the last item which matches the `skip` callback test.\n\t */\n\tgetLastMatchingPosition( skip, options = {} ) {\n\t\toptions.startPosition = this;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\t\ttreeWalker.skip( skip );\n\n\t\treturn treeWalker.position;\n\t}\n\n\t/**\n\t * Returns a path to this position's parent. Parent path is equal to position {@link module:engine/model/position~Position#path path}\n\t * but without the last item.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @returns {Array.<Number>} Path to the parent.\n\t */\n\tgetParentPath() {\n\t\treturn this.path.slice( 0, -1 );\n\t}\n\n\t/**\n\t * Returns ancestors array of this position, that is this position's parent and its ancestors.\n\t *\n\t * @returns {Array.<module:engine/model/item~Item>} Array with ancestors.\n\t */\n\tgetAncestors() {\n\t\tconst parent = this.parent;\n\n\t\tif ( parent.is( 'documentFragment' ) ) {\n\t\t\treturn [ parent ];\n\t\t} else {\n\t\t\treturn parent.getAncestors( { includeSelf: true } );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the parent element of the given name. Returns null if the position is not inside the desired parent.\n\t *\n\t * @param {String} parentName The name of the parent element to find.\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tfindAncestor( parentName ) {\n\t\tconst parent = this.parent;\n\n\t\tif ( parent.is( 'element' ) ) {\n\t\t\treturn parent.findAncestor( parentName, { includeSelf: true } );\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns the slice of two position {@link #path paths} which is identical. The {@link #root roots}\n\t * of these two paths must be identical.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} position The second position.\n\t * @returns {Array.<Number>} The common path.\n\t */\n\tgetCommonPath( position ) {\n\t\tif ( this.root != position.root ) {\n\t\t\treturn [];\n\t\t}\n\n\t\t// We find on which tree-level start and end have the lowest common ancestor\n\t\tconst cmp = compareArrays( this.path, position.path );\n\t\t// If comparison returned string it means that arrays are same.\n\t\tconst diffAt = ( typeof cmp == 'string' ) ? Math.min( this.path.length, position.path.length ) : cmp;\n\n\t\treturn this.path.slice( 0, diffAt );\n\t}\n\n\t/**\n\t * Returns an {@link module:engine/model/element~Element} or {@link module:engine/model/documentfragment~DocumentFragment}\n\t * which is a common ancestor of both positions. The {@link #root roots} of these two positions must be identical.\n\t *\n\t * @param {module:engine/model/position~Position} position The second position.\n\t * @returns {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor( position ) {\n\t\tconst ancestorsA = this.getAncestors();\n\t\tconst ancestorsB = position.getAncestors();\n\n\t\tlet i = 0;\n\n\t\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n\t}\n\n\t/**\n\t * Returns a new instance of `Position`, that has same {@link #parent parent} but it's offset\n\t * is shifted by `shift` value (can be a negative value).\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {Number} shift Offset shift. Can be a negative value.\n\t * @returns {module:engine/model/position~Position} Shifted position.\n\t */\n\tgetShiftedBy( shift ) {\n\t\tconst shifted = this.clone();\n\n\t\tconst offset = shifted.offset + shift;\n\t\tshifted.offset = offset < 0 ? 0 : offset;\n\n\t\treturn shifted;\n\t}\n\n\t/**\n\t * Checks whether this position is after given position.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @see module:engine/model/position~Position#isBefore\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if this position is after given position.\n\t */\n\tisAfter( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'after';\n\t}\n\n\t/**\n\t * Checks whether this position is before given position.\n\t *\n\t * **Note:** watch out when using negation of the value returned by this method, because the negation will also\n\t * be `true` if positions are in different roots and you might not expect this. You should probably use\n\t * `a.isAfter( b ) || a.isEqual( b )` or `!a.isBefore( p ) && a.root == b.root` in most scenarios. If your\n\t * condition uses multiple `isAfter` and `isBefore` checks, build them so they do not use negated values, i.e.:\n\t *\n\t *\t\tif ( a.isBefore( b ) && c.isAfter( d ) ) {\n\t *\t\t\t// do A.\n\t *\t\t} else {\n\t *\t\t\t// do B.\n\t *\t\t}\n\t *\n\t * or, if you have only one if-branch:\n\t *\n\t *\t\tif ( !( a.isBefore( b ) && c.isAfter( d ) ) {\n\t *\t\t\t// do B.\n\t *\t\t}\n\t *\n\t * rather than:\n\t *\n\t *\t\tif ( !a.isBefore( b ) || && !c.isAfter( d ) ) {\n\t *\t\t\t// do B.\n\t *\t\t} else {\n\t *\t\t\t// do A.\n\t *\t\t}\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if this position is before given position.\n\t */\n\tisBefore( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'before';\n\t}\n\n\t/**\n\t * Checks whether this position is equal to given position.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if positions are same.\n\t */\n\tisEqual( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'same';\n\t}\n\n\t/**\n\t * Checks whether this position is touching given position. Positions touch when there are no text nodes\n\t * or empty nodes in a range between them. Technically, those positions are not equal but in many cases\n\t * they are very similar or even indistinguishable.\n\t *\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if positions touch.\n\t */\n\tisTouching( otherPosition ) {\n\t\tlet left = null;\n\t\tlet right = null;\n\t\tconst compare = this.compareWith( otherPosition );\n\n\t\tswitch ( compare ) {\n\t\t\tcase 'same':\n\t\t\t\treturn true;\n\n\t\t\tcase 'before':\n\t\t\t\tleft = Position._createAt( this );\n\t\t\t\tright = Position._createAt( otherPosition );\n\t\t\t\tbreak;\n\n\t\t\tcase 'after':\n\t\t\t\tleft = Position._createAt( otherPosition );\n\t\t\t\tright = Position._createAt( this );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\treturn false;\n\t\t}\n\n\t\t// Cached for optimization purposes.\n\t\tlet leftParent = left.parent;\n\n\t\twhile ( left.path.length + right.path.length ) {\n\t\t\tif ( left.isEqual( right ) ) {\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\tif ( left.path.length > right.path.length ) {\n\t\t\t\tif ( left.offset !== leftParent.maxOffset ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\tleft.path = left.path.slice( 0, -1 );\n\t\t\t\tleftParent = leftParent.parent;\n\t\t\t\tleft.offset++;\n\t\t\t} else {\n\t\t\t\tif ( right.offset !== 0 ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\tright.path = right.path.slice( 0, -1 );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tposition.is( 'position' ); // -> true\n\t *\t\tposition.is( 'model:position' ); // -> true\n\t *\n\t *\t\tposition.is( 'view:position' ); // -> false\n\t *\t\tposition.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'position' || type === 'model:position';\n\t}\n\n\t/**\n\t * Checks if two positions are in the same parent.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} position Position to compare with.\n\t * @returns {Boolean} `true` if positions have the same parent, `false` otherwise.\n\t */\n\thasSameParentAs( position ) {\n\t\tif ( this.root !== position.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst thisParentPath = this.getParentPath();\n\t\tconst posParentPath = position.getParentPath();\n\n\t\treturn compareArrays( thisParentPath, posParentPath ) == 'same';\n\t}\n\n\t/**\n\t * Returns a copy of this position that is transformed by given `operation`.\n\t *\n\t * The new position's parameters are updated accordingly to the effect of the `operation`.\n\t *\n\t * For example, if `n` nodes are inserted before the position, the returned position {@link ~Position#offset} will be\n\t * increased by `n`. If the position was in a merged element, it will be accordingly moved to the new element, etc.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to transform by.\n\t * @returns {module:engine/model/position~Position} Transformed position.\n\t */\n\tgetTransformedByOperation( operation ) {\n\t\tlet result;\n\n\t\tswitch ( operation.type ) {\n\t\t\tcase 'insert':\n\t\t\t\tresult = this._getTransformedByInsertOperation( operation );\n\t\t\t\tbreak;\n\t\t\tcase 'move':\n\t\t\tcase 'remove':\n\t\t\tcase 'reinsert':\n\t\t\t\tresult = this._getTransformedByMoveOperation( operation );\n\t\t\t\tbreak;\n\t\t\tcase 'split':\n\t\t\t\tresult = this._getTransformedBySplitOperation( operation );\n\t\t\t\tbreak;\n\t\t\tcase 'merge':\n\t\t\t\tresult = this._getTransformedByMergeOperation( operation );\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tresult = Position._createAt( this );\n\t\t\t\tbreak;\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Returns a copy of this position transformed by an insert operation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/insertoperation~InsertOperation} operation\n\t * @returns {module:engine/model/position~Position}\n\t */\n\t_getTransformedByInsertOperation( operation ) {\n\t\treturn this._getTransformedByInsertion( operation.position, operation.howMany );\n\t}\n\n\t/**\n\t * Returns a copy of this position transformed by a move operation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/moveoperation~MoveOperation} operation\n\t * @returns {module:engine/model/position~Position}\n\t */\n\t_getTransformedByMoveOperation( operation ) {\n\t\treturn this._getTransformedByMove( operation.sourcePosition, operation.targetPosition, operation.howMany );\n\t}\n\n\t/**\n\t * Returns a copy of this position transformed by a split operation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/splitoperation~SplitOperation} operation\n\t * @returns {module:engine/model/position~Position}\n\t */\n\t_getTransformedBySplitOperation( operation ) {\n\t\tconst movedRange = operation.movedRange;\n\n\t\tconst isContained = movedRange.containsPosition( this ) ||\n\t\t\t( movedRange.start.isEqual( this ) && this.stickiness == 'toNext' );\n\n\t\tif ( isContained ) {\n\t\t\treturn this._getCombined( operation.splitPosition, operation.moveTargetPosition );\n\t\t} else {\n\t\t\tif ( operation.graveyardPosition ) {\n\t\t\t\treturn this._getTransformedByMove( operation.graveyardPosition, operation.insertionPosition, 1 );\n\t\t\t} else {\n\t\t\t\treturn this._getTransformedByInsertion( operation.insertionPosition, 1 );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns a copy of this position transformed by merge operation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/mergeoperation~MergeOperation} operation\n\t * @returns {module:engine/model/position~Position}\n\t */\n\t_getTransformedByMergeOperation( operation ) {\n\t\tconst movedRange = operation.movedRange;\n\t\tconst isContained = movedRange.containsPosition( this ) || movedRange.start.isEqual( this );\n\n\t\tlet pos;\n\n\t\tif ( isContained ) {\n\t\t\tpos = this._getCombined( operation.sourcePosition, operation.targetPosition );\n\n\t\t\tif ( operation.sourcePosition.isBefore( operation.targetPosition ) ) {\n\t\t\t\t// Above happens during OT when the merged element is moved before the merged-to element.\n\t\t\t\tpos = pos._getTransformedByDeletion( operation.deletionPosition, 1 );\n\t\t\t}\n\t\t} else if ( this.isEqual( operation.deletionPosition ) ) {\n\t\t\tpos = Position._createAt( operation.deletionPosition );\n\t\t} else {\n\t\t\tpos = this._getTransformedByMove( operation.deletionPosition, operation.graveyardPosition, 1 );\n\t\t}\n\n\t\treturn pos;\n\t}\n\n\t/**\n\t * Returns a copy of this position that is updated by removing `howMany` nodes starting from `deletePosition`.\n\t * It may happen that this position is in a removed node. If that is the case, `null` is returned instead.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} deletePosition Position before the first removed node.\n\t * @param {Number} howMany How many nodes are removed.\n\t * @returns {module:engine/model/position~Position|null} Transformed position or `null`.\n\t */\n\t_getTransformedByDeletion( deletePosition, howMany ) {\n\t\tconst transformed = Position._createAt( this );\n\n\t\t// This position can't be affected if deletion was in a different root.\n\t\tif ( this.root != deletePosition.root ) {\n\t\t\treturn transformed;\n\t\t}\n\n\t\tif ( compareArrays( deletePosition.getParentPath(), this.getParentPath() ) == 'same' ) {\n\t\t\t// If nodes are removed from the node that is pointed by this position...\n\t\t\tif ( deletePosition.offset < this.offset ) {\n\t\t\t\t// And are removed from before an offset of that position...\n\t\t\t\tif ( deletePosition.offset + howMany > this.offset ) {\n\t\t\t\t\t// Position is in removed range, it's no longer in the tree.\n\t\t\t\t\treturn null;\n\t\t\t\t} else {\n\t\t\t\t\t// Decrement the offset accordingly.\n\t\t\t\t\ttransformed.offset -= howMany;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if ( compareArrays( deletePosition.getParentPath(), this.getParentPath() ) == 'prefix' ) {\n\t\t\t// If nodes are removed from a node that is on a path to this position...\n\t\t\tconst i = deletePosition.path.length - 1;\n\n\t\t\tif ( deletePosition.offset <= this.path[ i ] ) {\n\t\t\t\t// And are removed from before next node of that path...\n\t\t\t\tif ( deletePosition.offset + howMany > this.path[ i ] ) {\n\t\t\t\t\t// If the next node of that path is removed return null\n\t\t\t\t\t// because the node containing this position got removed.\n\t\t\t\t\treturn null;\n\t\t\t\t} else {\n\t\t\t\t\t// Otherwise, decrement index on that path.\n\t\t\t\t\ttransformed.path[ i ] -= howMany;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn transformed;\n\t}\n\n\t/**\n\t * Returns a copy of this position that is updated by inserting `howMany` nodes at `insertPosition`.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} insertPosition Position where nodes are inserted.\n\t * @param {Number} howMany How many nodes are inserted.\n\t * @returns {module:engine/model/position~Position} Transformed position.\n\t */\n\t_getTransformedByInsertion( insertPosition, howMany ) {\n\t\tconst transformed = Position._createAt( this );\n\n\t\t// This position can't be affected if insertion was in a different root.\n\t\tif ( this.root != insertPosition.root ) {\n\t\t\treturn transformed;\n\t\t}\n\n\t\tif ( compareArrays( insertPosition.getParentPath(), this.getParentPath() ) == 'same' ) {\n\t\t\t// If nodes are inserted in the node that is pointed by this position...\n\t\t\tif ( insertPosition.offset < this.offset || ( insertPosition.offset == this.offset && this.stickiness != 'toPrevious' ) ) {\n\t\t\t\t// And are inserted before an offset of that position...\n\t\t\t\t// \"Push\" this positions offset.\n\t\t\t\ttransformed.offset += howMany;\n\t\t\t}\n\t\t} else if ( compareArrays( insertPosition.getParentPath(), this.getParentPath() ) == 'prefix' ) {\n\t\t\t// If nodes are inserted in a node that is on a path to this position...\n\t\t\tconst i = insertPosition.path.length - 1;\n\n\t\t\tif ( insertPosition.offset <= this.path[ i ] ) {\n\t\t\t\t// And are inserted before next node of that path...\n\t\t\t\t// \"Push\" the index on that path.\n\t\t\t\ttransformed.path[ i ] += howMany;\n\t\t\t}\n\t\t}\n\n\t\treturn transformed;\n\t}\n\n\t/**\n\t * Returns a copy of this position that is updated by moving `howMany` nodes from `sourcePosition` to `targetPosition`.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} sourcePosition Position before the first element to move.\n\t * @param {module:engine/model/position~Position} targetPosition Position where moved elements will be inserted.\n\t * @param {Number} howMany How many consecutive nodes to move, starting from `sourcePosition`.\n\t * @returns {module:engine/model/position~Position} Transformed position.\n\t */\n\t_getTransformedByMove( sourcePosition, targetPosition, howMany ) {\n\t\t// Update target position, as it could be affected by nodes removal.\n\t\ttargetPosition = targetPosition._getTransformedByDeletion( sourcePosition, howMany );\n\n\t\tif ( sourcePosition.isEqual( targetPosition ) ) {\n\t\t\t// If `targetPosition` is equal to `sourcePosition` this isn't really any move. Just return position as it is.\n\t\t\treturn Position._createAt( this );\n\t\t}\n\n\t\t// Moving a range removes nodes from their original position. We acknowledge this by proper transformation.\n\t\tconst transformed = this._getTransformedByDeletion( sourcePosition, howMany );\n\n\t\tconst isMoved = transformed === null ||\n\t\t\t( sourcePosition.isEqual( this ) && this.stickiness == 'toNext' ) ||\n\t\t\t( sourcePosition.getShiftedBy( howMany ).isEqual( this ) && this.stickiness == 'toPrevious' );\n\n\t\tif ( isMoved ) {\n\t\t\t// This position is inside moved range (or sticks to it).\n\t\t\t// In this case, we calculate a combination of this position, move source position and target position.\n\t\t\treturn this._getCombined( sourcePosition, targetPosition );\n\t\t} else {\n\t\t\t// This position is not inside a removed range.\n\t\t\t//\n\t\t\t// In next step, we simply reflect inserting `howMany` nodes, which might further affect the position.\n\t\t\treturn transformed._getTransformedByInsertion( targetPosition, howMany );\n\t\t}\n\t}\n\n\t/**\n\t * Returns a new position that is a combination of this position and given positions.\n\t *\n\t * The combined position is a copy of this position transformed by moving a range starting at `source` position\n\t * to the `target` position. It is expected that this position is inside the moved range.\n\t *\n\t * Example:\n\t *\n\t *\t\tlet original = model.createPositionFromPath( root, [ 2, 3, 1 ] );\n\t *\t\tlet source = model.createPositionFromPath( root, [ 2, 2 ] );\n\t *\t\tlet target = model.createPositionFromPath( otherRoot, [ 1, 1, 3 ] );\n\t *\t\toriginal._getCombined( source, target ); // path is [ 1, 1, 4, 1 ], root is `otherRoot`\n\t *\n\t * Explanation:\n\t *\n\t * We have a position `[ 2, 3, 1 ]` and move some nodes from `[ 2, 2 ]` to `[ 1, 1, 3 ]`. The original position\n\t * was inside moved nodes and now should point to the new place. The moved nodes will be after\n\t * positions `[ 1, 1, 3 ]`, `[ 1, 1, 4 ]`, `[ 1, 1, 5 ]`. Since our position was in the second moved node,\n\t * the transformed position will be in a sub-tree of a node at `[ 1, 1, 4 ]`. Looking at original path, we\n\t * took care of `[ 2, 3 ]` part of it. Now we have to add the rest of the original path to the transformed path.\n\t * Finally, the transformed position will point to `[ 1, 1, 4, 1 ]`.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} source Beginning of the moved range.\n\t * @param {module:engine/model/position~Position} target Position where the range is moved.\n\t * @returns {module:engine/model/position~Position} Combined position.\n\t */\n\t_getCombined( source, target ) {\n\t\tconst i = source.path.length - 1;\n\n\t\t// The first part of a path to combined position is a path to the place where nodes were moved.\n\t\tconst combined = Position._createAt( target );\n\t\tcombined.stickiness = this.stickiness;\n\n\t\t// Then we have to update the rest of the path.\n\n\t\t// Fix the offset because this position might be after `from` position and we have to reflect that.\n\t\tcombined.offset = combined.offset + this.path[ i ] - source.offset;\n\n\t\t// Then, add the rest of the path.\n\t\t// If this position is at the same level as `from` position nothing will get added.\n\t\tcombined.path = [ ...combined.path, ...this.path.slice( i + 1 ) ];\n\n\t\treturn combined;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\treturn {\n\t\t\troot: this.root.toJSON(),\n\t\t\tpath: Array.from( this.path ),\n\t\t\tstickiness: this.stickiness\n\t\t};\n\t}\n\n\t/**\n\t * Returns a new position that is equal to current position.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.root, this.path, this.stickiness );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/model/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/model/item~Item model item} and `'before'` or `'after'` (sets position before or after given model item).\n\t *\n\t * This method is a shortcut to other factory methods such as:\n\t *\n\t * * {@link module:engine/model/position~Position._createBefore},\n\t * * {@link module:engine/model/position~Position._createAfter}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when the\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness. Used only when the\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t * @protected\n\t */\n\tstatic _createAt( itemOrPosition, offset, stickiness = 'toNone' ) {\n\t\tif ( itemOrPosition instanceof Position ) {\n\t\t\treturn new Position( itemOrPosition.root, itemOrPosition.path, itemOrPosition.stickiness );\n\t\t} else {\n\t\t\tconst node = itemOrPosition;\n\n\t\t\tif ( offset == 'end' ) {\n\t\t\t\toffset = node.maxOffset;\n\t\t\t} else if ( offset == 'before' ) {\n\t\t\t\treturn this._createBefore( node, stickiness );\n\t\t\t} else if ( offset == 'after' ) {\n\t\t\t\treturn this._createAfter( node, stickiness );\n\t\t\t} else if ( offset !== 0 && !offset ) {\n\t\t\t\t/**\n\t\t\t\t * {@link module:engine/model/model~Model#createPositionAt `Model#createPositionAt()`}\n\t\t\t\t * requires the offset to be specified when the first parameter is a model item.\n\t\t\t\t *\n\t\t\t\t * @error model-createpositionat-offset-required\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-createpositionat-offset-required', [ this, itemOrPosition ] );\n\t\t\t}\n\n\t\t\tif ( !node.is( 'element' ) && !node.is( 'documentFragment' ) ) {\n\t\t\t\t/**\n\t\t\t\t * Position parent have to be a model element or model document fragment.\n\t\t\t\t *\n\t\t\t\t * @error model-position-parent-incorrect\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'model-position-parent-incorrect',\n\t\t\t\t\t[ this, itemOrPosition ]\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tconst path = node.getPath();\n\n\t\t\tpath.push( offset );\n\n\t\t\treturn new this( node.root, path, stickiness );\n\t\t}\n\t}\n\n\t/**\n\t * Creates a new position, after given {@link module:engine/model/item~Item model item}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item after which the position should be placed.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * @returns {module:engine/model/position~Position}\n\t * @protected\n\t */\n\tstatic _createAfter( item, stickiness ) {\n\t\tif ( !item.parent ) {\n\t\t\t/**\n\t\t\t * You can not make a position after a root element.\n\t\t\t *\n\t\t\t * @error model-position-after-root\n\t\t\t * @param {module:engine/model/item~Item} root\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-after-root',\n\t\t\t\t[ this, item ],\n\t\t\t\t{ root: item }\n\t\t\t);\n\t\t}\n\n\t\treturn this._createAt( item.parent, item.endOffset, stickiness );\n\t}\n\n\t/**\n\t * Creates a new position, before the given {@link module:engine/model/item~Item model item}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item before which the position should be placed.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * @returns {module:engine/model/position~Position}\n\t * @protected\n\t */\n\tstatic _createBefore( item, stickiness ) {\n\t\tif ( !item.parent ) {\n\t\t\t/**\n\t\t\t * You can not make a position before a root element.\n\t\t\t *\n\t\t\t * @error model-position-before-root\n\t\t\t * @param {module:engine/model/item~Item} root\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-before-root',\n\t\t\t\titem,\n\t\t\t\t{ root: item }\n\t\t\t);\n\t\t}\n\n\t\treturn this._createAt( item.parent, item.startOffset, stickiness );\n\t}\n\n\t/**\n\t * Creates a `Position` instance from given plain object (i.e. parsed JSON string).\n\t *\n\t * @param {Object} json Plain object to be converted to `Position`.\n\t * @param {module:engine/model/document~Document} doc Document object that will be position owner.\n\t * @returns {module:engine/model/position~Position} `Position` instance created using given plain object.\n\t */\n\tstatic fromJSON( json, doc ) {\n\t\tif ( json.root === '$graveyard' ) {\n\t\t\tconst pos = new Position( doc.graveyard, json.path );\n\t\t\tpos.stickiness = json.stickiness;\n\n\t\t\treturn pos;\n\t\t}\n\n\t\tif ( !doc.getRoot( json.root ) ) {\n\t\t\t/**\n\t\t\t * Cannot create position for document. Root with specified name does not exist.\n\t\t\t *\n\t\t\t * @error model-position-fromjson-no-root\n\t\t\t * @param {String} rootName\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-fromjson-no-root',\n\t\t\t\tdoc,\n\t\t\t\t{ rootName: json.root }\n\t\t\t);\n\t\t}\n\n\t\treturn new Position( doc.getRoot( json.root ), json.path, json.stickiness );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `${ this.root } [ ${ this.path.join( ', ' ) } ]`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelPosition: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n/**\n * A flag indicating whether this position is `'before'` or `'after'` or `'same'` as given position.\n * If positions are in different roots `'different'` flag is returned.\n *\n * @typedef {String} module:engine/model/position~PositionRelation\n */\n\n/**\n * Represents how position is \"sticking\" with neighbour nodes. Used to define how position should be transformed (moved)\n * in edge cases. Possible values: `'toNone'`, `'toNext'`, `'toPrevious'`.\n *\n * Examples:\n *\n *\t\tInsert. Position is at | and nodes are inserted at the same position, marked as ^:\n *\n *\t\t- sticks to none:           <p>f^|oo</p>  ->  <p>fbar|oo</p>\n *\t\t- sticks to next node:      <p>f^|oo</p>  ->  <p>fbar|oo</p>\n *\t\t- sticks to previous node:  <p>f|^oo</p>  ->  <p>f|baroo</p>\n *\n *\n *\t\tMove. Position is at | and range [oo] is moved to position ^:\n *\n *\t\t- sticks to none:           <p>f|[oo]</p><p>b^ar</p>  ->  <p>f|</p><p>booar</p>\n *\t\t- sticks to none:           <p>f[oo]|</p><p>b^ar</p>  ->  <p>f|</p><p>booar</p>\n *\n *\t\t- sticks to next node:      <p>f|[oo]</p><p>b^ar</p>  ->  <p>f</p><p>b|ooar</p>\n *\t\t- sticks to next node:      <p>f[oo]|</p><p>b^ar</p>  ->  <p>f|</p><p>booar</p>\n *\n *\t\t- sticks to previous node:  <p>f|[oo]</p><p>b^ar</p>  ->  <p>f|</p><p>booar</p>\n *\t\t- sticks to previous node:  <p>f[oo]|</p><p>b^ar</p>  ->  <p>f</p><p>boo|ar</p>\n *\n * @typedef {String} module:engine/model/position~PositionStickiness\n */\n\n/**\n * Returns a text node at the given position.\n *\n * This is a helper function optimized to reuse the position parent instance for performance reasons.\n *\n * Normally, you should use {@link module:engine/model/position~Position#textNode `Position#textNode`}.\n * If you start hitting performance issues with {@link module:engine/model/position~Position#parent `Position#parent`}\n * check if your algorithm does not access it multiple times (which can happen directly or indirectly via other position properties).\n *\n * See https://github.com/ckeditor/ckeditor5/issues/6579.\n *\n * See also:\n *\n * * {@link module:engine/model/position~getNodeAfterPosition}\n * * {@link module:engine/model/position~getNodeBeforePosition}\n *\n * @param {module:engine/model/position~Position} position\n * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} positionParent The parent of the\n * given position.\n * @returns {module:engine/model/text~Text|null}\n */\nexport function getTextNodeAtPosition( position, positionParent ) {\n\tconst node = positionParent.getChild( positionParent.offsetToIndex( position.offset ) );\n\n\tif ( node && node.is( '$text' ) && node.startOffset < position.offset ) {\n\t\treturn node;\n\t}\n\n\treturn null;\n}\n\n/**\n * Returns the node after the given position.\n *\n * This is a helper function optimized to reuse the position parent instance and the calculation of the text node at the\n * specific position for performance reasons.\n *\n * Normally, you should use {@link module:engine/model/position~Position#nodeAfter `Position#nodeAfter`}.\n * If you start hitting performance issues with {@link module:engine/model/position~Position#parent `Position#parent`} and/or\n * {@link module:engine/model/position~Position#textNode `Position#textNode`}\n * check if your algorithm does not access those properties multiple times\n * (which can happen directly or indirectly via other position properties).\n *\n * See https://github.com/ckeditor/ckeditor5/issues/6579 and https://github.com/ckeditor/ckeditor5/issues/6582.\n *\n * See also:\n *\n * * {@link module:engine/model/position~getTextNodeAtPosition}\n * * {@link module:engine/model/position~getNodeBeforePosition}\n *\n * @param {module:engine/model/position~Position} position\n * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} positionParent The parent of the\n * given position.\n * @param {module:engine/model/text~Text|null} textNode Text node at the given position.\n * @returns {module:engine/model/node~Node|null}\n */\nexport function getNodeAfterPosition( position, positionParent, textNode ) {\n\tif ( textNode !== null ) {\n\t\treturn null;\n\t}\n\n\treturn positionParent.getChild( positionParent.offsetToIndex( position.offset ) );\n}\n\n/**\n * Returns the node before the given position.\n *\n * Refer to {@link module:engine/model/position~getNodeBeforePosition} for documentation on when to use this util method.\n *\n * See also:\n *\n * * {@link module:engine/model/position~getTextNodeAtPosition}\n * * {@link module:engine/model/position~getNodeAfterPosition}\n *\n * @param {module:engine/model/position~Position} position\n * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} positionParent The parent of the\n * given position.\n * @param {module:engine/model/text~Text|null} textNode Text node at the given position.\n * @returns {module:engine/model/node~Node|null}\n */\nexport function getNodeBeforePosition( position, positionParent, textNode ) {\n\tif ( textNode !== null ) {\n\t\treturn null;\n\t}\n\n\treturn positionParent.getChild( positionParent.offsetToIndex( position.offset ) - 1 );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/range\n */\n\nimport Position from './position';\nimport TreeWalker from './treewalker';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\n\n/**\n * Represents a range in the model tree.\n *\n * A range is defined by its {@link module:engine/model/range~Range#start} and {@link module:engine/model/range~Range#end}\n * positions.\n *\n * You can create range instances via its constructor or the `createRange*()` factory methods of\n * {@link module:engine/model/model~Model} and {@link module:engine/model/writer~Writer}.\n */\nexport default class Range {\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * @param {module:engine/model/position~Position} start Start position.\n\t * @param {module:engine/model/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t */\n\tconstructor( start, end = null ) {\n\t\t/**\n\t\t * Start position.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/position~Position}\n\t\t */\n\t\tthis.start = Position._createAt( start );\n\n\t\t/**\n\t\t * End position.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/position~Position}\n\t\t */\n\t\tthis.end = end ? Position._createAt( end ) : Position._createAt( start );\n\n\t\t// If the range is collapsed, treat in a similar way as a position and set its boundaries stickiness to 'toNone'.\n\t\t// In other case, make the boundaries stick to the \"inside\" of the range.\n\t\tthis.start.stickiness = this.isCollapsed ? 'toNone' : 'toNext';\n\t\tthis.end.stickiness = this.isCollapsed ? 'toNone' : 'toPrevious';\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all {@link module:engine/model/item~Item items} that are in this range and returns\n\t * them together with additional information like length or {@link module:engine/model/position~Position positions},\n\t * grouped as {@link module:engine/model/treewalker~TreeWalkerValue}.\n\t * It iterates over all {@link module:engine/model/textproxy~TextProxy text contents} that are inside the range\n\t * and all the {@link module:engine/model/element~Element}s that are entered into when iterating over this range.\n\t *\n\t * This iterator uses {@link module:engine/model/treewalker~TreeWalker} with `boundaries` set to this range\n\t * and `ignoreElementEnd` option set to `true`.\n\t *\n\t * @returns {Iterable.<module:engine/model/treewalker~TreeWalkerValue>}\n\t */\n\t* [ Symbol.iterator ]() {\n\t\tyield* new TreeWalker( { boundaries: this, ignoreElementEnd: true } );\n\t}\n\n\t/**\n\t * Returns whether the range is collapsed, that is if {@link #start} and\n\t * {@link #end} positions are equal.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this.start.isEqual( this.end );\n\t}\n\n\t/**\n\t * Returns whether this range is flat, that is if {@link #start} position and\n\t * {@link #end} position are in the same {@link module:engine/model/position~Position#parent}.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isFlat() {\n\t\tconst startParentPath = this.start.getParentPath();\n\t\tconst endParentPath = this.end.getParentPath();\n\n\t\treturn compareArrays( startParentPath, endParentPath ) == 'same';\n\t}\n\n\t/**\n\t * Range root element.\n\t *\n\t * @type {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.start.root;\n\t}\n\n\t/**\n\t * Checks whether this range contains given {@link module:engine/model/position~Position position}.\n\t *\n\t * @param {module:engine/model/position~Position} position Position to check.\n\t * @returns {Boolean} `true` if given {@link module:engine/model/position~Position position} is contained\n\t * in this range,`false` otherwise.\n\t */\n\tcontainsPosition( position ) {\n\t\treturn position.isAfter( this.start ) && position.isBefore( this.end );\n\t}\n\n\t/**\n\t * Checks whether this range contains given {@link ~Range range}.\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to check.\n\t * @param {Boolean} [loose=false] Whether the check is loose or strict. If the check is strict (`false`), compared range cannot\n\t * start or end at the same position as this range boundaries. If the check is loose (`true`), compared range can start, end or\n\t * even be equal to this range. Note that collapsed ranges are always compared in strict mode.\n\t * @returns {Boolean} `true` if given {@link ~Range range} boundaries are contained by this range, `false` otherwise.\n\t */\n\tcontainsRange( otherRange, loose = false ) {\n\t\tif ( otherRange.isCollapsed ) {\n\t\t\tloose = false;\n\t\t}\n\n\t\tconst containsStart = this.containsPosition( otherRange.start ) || ( loose && this.start.isEqual( otherRange.start ) );\n\t\tconst containsEnd = this.containsPosition( otherRange.end ) || ( loose && this.end.isEqual( otherRange.end ) );\n\n\t\treturn containsStart && containsEnd;\n\t}\n\n\t/**\n\t * Checks whether given {@link module:engine/model/item~Item} is inside this range.\n\t *\n\t * @param {module:engine/model/item~Item} item Model item to check.\n\t */\n\tcontainsItem( item ) {\n\t\tconst pos = Position._createBefore( item );\n\n\t\treturn this.containsPosition( pos ) || this.start.isEqual( pos );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\trange.is( 'range' ); // -> true\n\t *\t\trange.is( 'model:range' ); // -> true\n\t *\n\t *\t\trange.is( 'view:range' ); // -> false\n\t *\t\trange.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'range' || type === 'model:range';\n\t}\n\n\t/**\n\t * Two ranges are equal if their {@link #start} and {@link #end} positions are equal.\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to compare with.\n\t * @returns {Boolean} `true` if ranges are equal, `false` otherwise.\n\t */\n\tisEqual( otherRange ) {\n\t\treturn this.start.isEqual( otherRange.start ) && this.end.isEqual( otherRange.end );\n\t}\n\n\t/**\n\t * Checks and returns whether this range intersects with given range.\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to compare with.\n\t * @returns {Boolean} `true` if ranges intersect, `false` otherwise.\n\t */\n\tisIntersecting( otherRange ) {\n\t\treturn this.start.isBefore( otherRange.end ) && this.end.isAfter( otherRange.start );\n\t}\n\n\t/**\n\t * Computes which part(s) of this {@link ~Range range} is not a part of given {@link ~Range range}.\n\t * Returned array contains zero, one or two {@link ~Range ranges}.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet range = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2, 7 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 4, 0, 1 ] )\n\t *\t\t);\n\t *\t\tlet otherRange = model.createRange( model.createPositionFromPath( root, [ 1 ] ), model.createPositionFromPath( root, [ 5 ] ) );\n\t *\t\tlet transformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has no ranges because `otherRange` contains `range`\n\t *\n\t *\t\totherRange = model.createRange( model.createPositionFromPath( root, [ 1 ] ), model.createPositionFromPath( root, [ 3 ] ) );\n\t *\t\ttransformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has one range: from [ 3 ] to [ 4, 0, 1 ]\n\t *\n\t *\t\totherRange = model.createRange( model.createPositionFromPath( root, [ 3 ] ), model.createPositionFromPath( root, [ 4 ] ) );\n\t *\t\ttransformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has two ranges: from [ 2, 7 ] to [ 3 ] and from [ 4 ] to [ 4, 0, 1 ]\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to differentiate against.\n\t * @returns {Array.<module:engine/model/range~Range>} The difference between ranges.\n\t */\n\tgetDifference( otherRange ) {\n\t\tconst ranges = [];\n\n\t\tif ( this.isIntersecting( otherRange ) ) {\n\t\t\t// Ranges intersect.\n\n\t\t\tif ( this.containsPosition( otherRange.start ) ) {\n\t\t\t\t// Given range start is inside this range. This means that we have to\n\t\t\t\t// add shrunken range - from the start to the middle of this range.\n\t\t\t\tranges.push( new Range( this.start, otherRange.start ) );\n\t\t\t}\n\n\t\t\tif ( this.containsPosition( otherRange.end ) ) {\n\t\t\t\t// Given range end is inside this range. This means that we have to\n\t\t\t\t// add shrunken range - from the middle of this range to the end.\n\t\t\t\tranges.push( new Range( otherRange.end, this.end ) );\n\t\t\t}\n\t\t} else {\n\t\t\t// Ranges do not intersect, return the original range.\n\t\t\tranges.push( new Range( this.start, this.end ) );\n\t\t}\n\n\t\treturn ranges;\n\t}\n\n\t/**\n\t * Returns an intersection of this {@link ~Range range} and given {@link ~Range range}.\n\t * Intersection is a common part of both of those ranges. If ranges has no common part, returns `null`.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet range = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2, 7 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 4, 0, 1 ] )\n\t *\t\t);\n\t *\t\tlet otherRange = model.createRange( model.createPositionFromPath( root, [ 1 ] ), model.createPositionFromPath( root, [ 2 ] ) );\n\t *\t\tlet transformed = range.getIntersection( otherRange ); // null - ranges have no common part\n\t *\n\t *\t\totherRange = model.createRange( model.createPositionFromPath( root, [ 3 ] ), model.createPositionFromPath( root, [ 5 ] ) );\n\t *\t\ttransformed = range.getIntersection( otherRange ); // range from [ 3 ] to [ 4, 0, 1 ]\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to check for intersection.\n\t * @returns {module:engine/model/range~Range|null} A common part of given ranges or `null` if ranges have no common part.\n\t */\n\tgetIntersection( otherRange ) {\n\t\tif ( this.isIntersecting( otherRange ) ) {\n\t\t\t// Ranges intersect, so a common range will be returned.\n\t\t\t// At most, it will be same as this range.\n\t\t\tlet commonRangeStart = this.start;\n\t\t\tlet commonRangeEnd = this.end;\n\n\t\t\tif ( this.containsPosition( otherRange.start ) ) {\n\t\t\t\t// Given range start is inside this range. This means thaNt we have to\n\t\t\t\t// shrink common range to the given range start.\n\t\t\t\tcommonRangeStart = otherRange.start;\n\t\t\t}\n\n\t\t\tif ( this.containsPosition( otherRange.end ) ) {\n\t\t\t\t// Given range end is inside this range. This means that we have to\n\t\t\t\t// shrink common range to the given range end.\n\t\t\t\tcommonRangeEnd = otherRange.end;\n\t\t\t}\n\n\t\t\treturn new Range( commonRangeStart, commonRangeEnd );\n\t\t}\n\n\t\t// Ranges do not intersect, so they do not have common part.\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns a range created by joining this {@link ~Range range} with the given {@link ~Range range}.\n\t * If ranges have no common part, returns `null`.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet range = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2, 7 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 4, 0, 1 ] )\n\t *\t\t);\n\t *\t\tlet otherRange = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 1 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2 ] )\n \t *\t\t);\n\t *\t\tlet transformed = range.getJoined( otherRange ); // null - ranges have no common part\n\t *\n\t *\t\totherRange = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 3 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 5 ] )\n\t *\t\t);\n\t *\t\ttransformed = range.getJoined( otherRange ); // range from [ 2, 7 ] to [ 5 ]\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to be joined.\n\t * @param {Boolean} [loose=false] Whether the intersection check is loose or strict. If the check is strict (`false`),\n\t * ranges are tested for intersection or whether start/end positions are equal. If the check is loose (`true`),\n\t * compared range is also checked if it's {@link module:engine/model/position~Position#isTouching touching} current range.\n\t * @returns {module:engine/model/range~Range|null} A sum of given ranges or `null` if ranges have no common part.\n\t */\n\tgetJoined( otherRange, loose = false ) {\n\t\tlet shouldJoin = this.isIntersecting( otherRange );\n\n\t\tif ( !shouldJoin ) {\n\t\t\tif ( this.start.isBefore( otherRange.start ) ) {\n\t\t\t\tshouldJoin = loose ? this.end.isTouching( otherRange.start ) : this.end.isEqual( otherRange.start );\n\t\t\t} else {\n\t\t\t\tshouldJoin = loose ? otherRange.end.isTouching( this.start ) : otherRange.end.isEqual( this.start );\n\t\t\t}\n\t\t}\n\n\t\tif ( !shouldJoin ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tlet startPosition = this.start;\n\t\tlet endPosition = this.end;\n\n\t\tif ( otherRange.start.isBefore( startPosition ) ) {\n\t\t\tstartPosition = otherRange.start;\n\t\t}\n\n\t\tif ( otherRange.end.isAfter( endPosition ) ) {\n\t\t\tendPosition = otherRange.end;\n\t\t}\n\n\t\treturn new Range( startPosition, endPosition );\n\t}\n\n\t/**\n\t * Computes and returns the smallest set of {@link #isFlat flat} ranges, that covers this range in whole.\n\t *\n\t * See an example of a model structure (`[` and `]` are range boundaries):\n\t *\n\t *\t\troot                                                            root\n\t *\t\t |- element DIV                         DIV             P2              P3             DIV\n\t *\t\t |   |- element H                   H        P1        f o o           b a r       H         P4\n\t *\t\t |   |   |- \"fir[st\"             fir[st     lorem                               se]cond     ipsum\n\t *\t\t |   |- element P1\n\t *\t\t |   |   |- \"lorem\"                                              ||\n\t *\t\t |- element P2                                                   ||\n\t *\t\t |   |- \"foo\"                                                    VV\n\t *\t\t |- element P3\n\t *\t\t |   |- \"bar\"                                                   root\n\t *\t\t |- element DIV                         DIV             [P2             P3]             DIV\n\t *\t\t |   |- element H                   H       [P1]       f o o           b a r        H         P4\n\t *\t\t |   |   |- \"se]cond\"            fir[st]    lorem                               [se]cond     ipsum\n\t *\t\t |   |- element P4\n\t *\t\t |   |   |- \"ipsum\"\n\t *\n\t * As it can be seen, letters contained in the range are: `stloremfoobarse`, spread across different parents.\n\t * We are looking for minimal set of flat ranges that contains the same nodes.\n\t *\n\t * Minimal flat ranges for above range `( [ 0, 0, 3 ], [ 3, 0, 2 ] )` will be:\n\t *\n\t *\t\t( [ 0, 0, 3 ], [ 0, 0, 5 ] ) = \"st\"\n\t *\t\t( [ 0, 1 ], [ 0, 2 ] ) = element P1 (\"lorem\")\n\t *\t\t( [ 1 ], [ 3 ] ) = element P2, element P3 (\"foobar\")\n\t *\t\t( [ 3, 0, 0 ], [ 3, 0, 2 ] ) = \"se\"\n\t *\n\t * **Note:** if an {@link module:engine/model/element~Element element} is not wholly contained in this range, it won't be returned\n\t * in any of the returned flat ranges. See in the example how `H` elements at the beginning and at the end of the range\n\t * were omitted. Only their parts that were wholly in the range were returned.\n\t *\n\t * **Note:** this method is not returning flat ranges that contain no nodes.\n\t *\n\t * @returns {Array.<module:engine/model/range~Range>} Array of flat ranges covering this range.\n\t */\n\tgetMinimalFlatRanges() {\n\t\tconst ranges = [];\n\t\tconst diffAt = this.start.getCommonPath( this.end ).length;\n\n\t\tconst pos = Position._createAt( this.start );\n\t\tlet posParent = pos.parent;\n\n\t\t// Go up.\n\t\twhile ( pos.path.length > diffAt + 1 ) {\n\t\t\tconst howMany = posParent.maxOffset - pos.offset;\n\n\t\t\tif ( howMany !== 0 ) {\n\t\t\t\tranges.push( new Range( pos, pos.getShiftedBy( howMany ) ) );\n\t\t\t}\n\n\t\t\tpos.path = pos.path.slice( 0, -1 );\n\t\t\tpos.offset++;\n\t\t\tposParent = posParent.parent;\n\t\t}\n\n\t\t// Go down.\n\t\twhile ( pos.path.length <= this.end.path.length ) {\n\t\t\tconst offset = this.end.path[ pos.path.length - 1 ];\n\t\t\tconst howMany = offset - pos.offset;\n\n\t\t\tif ( howMany !== 0 ) {\n\t\t\t\tranges.push( new Range( pos, pos.getShiftedBy( howMany ) ) );\n\t\t\t}\n\n\t\t\tpos.offset = offset;\n\t\t\tpos.path.push( 0 );\n\t\t}\n\n\t\treturn ranges;\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/model/treewalker~TreeWalker TreeWalker} instance with this range as a boundary.\n\t *\n\t * For example, to iterate over all items in the entire document root:\n\t *\n\t *\t\t// Create a range spanning over the entire root content:\n\t *\t\tconst range = editor.model.createRangeIn( editor.model.document.getRoot() );\n\t *\n\t *\t\t// Iterate over all items in this range:\n\t *\t\tfor ( const value of range.getWalker() ) {\n\t *\t\t\tconsole.log( value.item );\n\t *\t\t}\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/model/treewalker~TreeWalker}.\n\t * @param {module:engine/model/position~Position} [options.startPosition]\n\t * @param {Boolean} [options.singleCharacters=false]\n\t * @param {Boolean} [options.shallow=false]\n\t * @param {Boolean} [options.ignoreElementEnd=false]\n\t */\n\tgetWalker( options = {} ) {\n\t\toptions.boundaries = this;\n\n\t\treturn new TreeWalker( options );\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all {@link module:engine/model/item~Item items} that are in this range and returns\n\t * them.\n\t *\n\t * This method uses {@link module:engine/model/treewalker~TreeWalker} with `boundaries` set to this range and `ignoreElementEnd` option\n\t * set to `true`. However it returns only {@link module:engine/model/item~Item model items},\n\t * not {@link module:engine/model/treewalker~TreeWalkerValue}.\n\t *\n\t * You may specify additional options for the tree walker. See {@link module:engine/model/treewalker~TreeWalker} for\n\t * a full list of available options.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/model/treewalker~TreeWalker}.\n\t * @returns {Iterable.<module:engine/model/item~Item>}\n\t */\n\t* getItems( options = {} ) {\n\t\toptions.boundaries = this;\n\t\toptions.ignoreElementEnd = true;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\tyield value.item;\n\t\t}\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all {@link module:engine/model/position~Position positions} that are boundaries or\n\t * contained in this range.\n\t *\n\t * This method uses {@link module:engine/model/treewalker~TreeWalker} with `boundaries` set to this range. However it returns only\n\t * {@link module:engine/model/position~Position positions}, not {@link module:engine/model/treewalker~TreeWalkerValue}.\n\t *\n\t * You may specify additional options for the tree walker. See {@link module:engine/model/treewalker~TreeWalker} for\n\t * a full list of available options.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/model/treewalker~TreeWalker}.\n\t * @returns {Iterable.<module:engine/model/position~Position>}\n\t */\n\t* getPositions( options = {} ) {\n\t\toptions.boundaries = this;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\n\t\tyield treeWalker.position;\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\tyield value.nextPosition;\n\t\t}\n\t}\n\n\t/**\n\t * Returns a range that is a result of transforming this range by given `operation`.\n\t *\n\t * **Note:** transformation may break one range into multiple ranges (for example, when a part of the range is\n\t * moved to a different part of document tree). For this reason, an array is returned by this method and it\n\t * may contain one or more `Range` instances.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to transform range by.\n\t * @returns {Array.<module:engine/model/range~Range>} Range which is the result of transformation.\n\t */\n\tgetTransformedByOperation( operation ) {\n\t\tswitch ( operation.type ) {\n\t\t\tcase 'insert':\n\t\t\t\treturn this._getTransformedByInsertOperation( operation );\n\t\t\tcase 'move':\n\t\t\tcase 'remove':\n\t\t\tcase 'reinsert':\n\t\t\t\treturn this._getTransformedByMoveOperation( operation );\n\t\t\tcase 'split':\n\t\t\t\treturn [ this._getTransformedBySplitOperation( operation ) ];\n\t\t\tcase 'merge':\n\t\t\t\treturn [ this._getTransformedByMergeOperation( operation ) ];\n\t\t}\n\n\t\treturn [ new Range( this.start, this.end ) ];\n\t}\n\n\t/**\n\t * Returns a range that is a result of transforming this range by multiple `operations`.\n\t *\n\t * @see ~Range#getTransformedByOperation\n\t * @param {Iterable.<module:engine/model/operation/operation~Operation>} operations Operations to transform the range by.\n\t * @returns {Array.<module:engine/model/range~Range>} Range which is the result of transformation.\n\t */\n\tgetTransformedByOperations( operations ) {\n\t\tconst ranges = [ new Range( this.start, this.end ) ];\n\n\t\tfor ( const operation of operations ) {\n\t\t\tfor ( let i = 0; i < ranges.length; i++ ) {\n\t\t\t\tconst result = ranges[ i ].getTransformedByOperation( operation );\n\n\t\t\t\tranges.splice( i, 1, ...result );\n\t\t\t\ti += result.length - 1;\n\t\t\t}\n\t\t}\n\n\t\t// It may happen that a range is split into two, and then the part of second \"piece\" is moved into first\n\t\t// \"piece\". In this case we will have incorrect third range, which should not be included in the result --\n\t\t// because it is already included in the first \"piece\". In this loop we are looking for all such ranges that\n\t\t// are inside other ranges and we simply remove them.\n\t\tfor ( let i = 0; i < ranges.length; i++ ) {\n\t\t\tconst range = ranges[ i ];\n\n\t\t\tfor ( let j = i + 1; j < ranges.length; j++ ) {\n\t\t\t\tconst next = ranges[ j ];\n\n\t\t\t\tif ( range.containsRange( next ) || next.containsRange( range ) || range.isEqual( next ) ) {\n\t\t\t\t\tranges.splice( j, 1 );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn ranges;\n\t}\n\n\t/**\n\t * Returns an {@link module:engine/model/element~Element} or {@link module:engine/model/documentfragment~DocumentFragment}\n\t * which is a common ancestor of the range's both ends (in which the entire range is contained).\n\t *\n\t * @returns {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor() {\n\t\treturn this.start.getCommonAncestor( this.end );\n\t}\n\n\t/**\n\t * Returns an {@link module:engine/model/element~Element Element} contained by the range.\n\t * The element will be returned when it is the **only** node within the range and **fully–contained**\n\t * at the same time.\n\t *\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tgetContainedElement() {\n\t\tif ( this.isCollapsed ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst nodeAfterStart = this.start.nodeAfter;\n\t\tconst nodeBeforeEnd = this.end.nodeBefore;\n\n\t\tif ( nodeAfterStart && nodeAfterStart.is( 'element' ) && nodeAfterStart === nodeBeforeEnd ) {\n\t\t\treturn nodeAfterStart;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Converts `Range` to plain object and returns it.\n\t *\n\t * @returns {Object} `Node` converted to plain object.\n\t */\n\ttoJSON() {\n\t\treturn {\n\t\t\tstart: this.start.toJSON(),\n\t\t\tend: this.end.toJSON()\n\t\t};\n\t}\n\n\t/**\n\t * Returns a new range that is equal to current range.\n\t *\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.start, this.end );\n\t}\n\n\t/**\n\t * Returns a result of transforming a copy of this range by insert operation.\n\t *\n\t * One or more ranges may be returned as a result of this transformation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/insertoperation~InsertOperation} operation\n\t * @returns {Array.<module:engine/model/range~Range>}\n\t */\n\t_getTransformedByInsertOperation( operation, spread = false ) {\n\t\treturn this._getTransformedByInsertion( operation.position, operation.howMany, spread );\n\t}\n\n\t/**\n\t * Returns a result of transforming a copy of this range by move operation.\n\t *\n\t * One or more ranges may be returned as a result of this transformation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/moveoperation~MoveOperation} operation\n\t * @returns {Array.<module:engine/model/range~Range>}\n\t */\n\t_getTransformedByMoveOperation( operation, spread = false ) {\n\t\tconst sourcePosition = operation.sourcePosition;\n\t\tconst howMany = operation.howMany;\n\t\tconst targetPosition = operation.targetPosition;\n\n\t\treturn this._getTransformedByMove( sourcePosition, targetPosition, howMany, spread );\n\t}\n\n\t/**\n\t * Returns a result of transforming a copy of this range by split operation.\n\t *\n\t * Always one range is returned. The transformation is done in a way to not break the range.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/splitoperation~SplitOperation} operation\n\t * @returns {module:engine/model/range~Range}\n\t */\n\t_getTransformedBySplitOperation( operation ) {\n\t\tconst start = this.start._getTransformedBySplitOperation( operation );\n\t\tlet end = this.end._getTransformedBySplitOperation( operation );\n\n\t\tif ( this.end.isEqual( operation.insertionPosition ) ) {\n\t\t\tend = this.end.getShiftedBy( 1 );\n\t\t}\n\n\t\t// Below may happen when range contains graveyard element used by split operation.\n\t\tif ( start.root != end.root ) {\n\t\t\t// End position was next to the moved graveyard element and was moved with it.\n\t\t\t// Fix it by using old `end` which has proper `root`.\n\t\t\tend = this.end.getShiftedBy( -1 );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Returns a result of transforming a copy of this range by merge operation.\n\t *\n\t * Always one range is returned. The transformation is done in a way to not break the range.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/mergeoperation~MergeOperation} operation\n\t * @returns {module:engine/model/range~Range}\n\t */\n\t_getTransformedByMergeOperation( operation ) {\n\t\t// Special case when the marker is set on \"the closing tag\" of an element. Marker can be set like that during\n\t\t// transformations, especially when a content of a few block elements were removed. For example:\n\t\t//\n\t\t// {} is the transformed range, [] is the removed range.\n\t\t// <p>F[o{o</p><p>B}ar</p><p>Xy]z</p>\n\t\t//\n\t\t// <p>Fo{o</p><p>B}ar</p><p>z</p>\n\t\t// <p>F{</p><p>B}ar</p><p>z</p>\n\t\t// <p>F{</p>}<p>z</p>\n\t\t// <p>F{}z</p>\n\t\t//\n\t\tif ( this.start.isEqual( operation.targetPosition ) && this.end.isEqual( operation.deletionPosition ) ) {\n\t\t\treturn new Range( this.start );\n\t\t}\n\n\t\tlet start = this.start._getTransformedByMergeOperation( operation );\n\t\tlet end = this.end._getTransformedByMergeOperation( operation );\n\n\t\tif ( start.root != end.root ) {\n\t\t\t// This happens when the end position was next to the merged (deleted) element.\n\t\t\t// Then, the end position was moved to the graveyard root. In this case we need to fix\n\t\t\t// the range cause its boundaries would be in different roots.\n\t\t\tend = this.end.getShiftedBy( -1 );\n\t\t}\n\n\t\tif ( start.isAfter( end ) ) {\n\t\t\t// This happens in three following cases:\n\t\t\t//\n\t\t\t// Case 1: Merge operation source position is before the target position (due to some transformations, OT, etc.)\n\t\t\t//         This means that start can be moved before the end of the range.\n\t\t\t//\n\t\t\t// Before: <p>a{a</p><p>b}b</p><p>cc</p>\n\t\t\t// Merge:  <p>b}b</p><p>cca{a</p>\n\t\t\t// Fix:    <p>{b}b</p><p>ccaa</p>\n\t\t\t//\n\t\t\t// Case 2: Range start is before merged node but not directly.\n\t\t\t//         Result should include all nodes that were in the original range.\n\t\t\t//\n\t\t\t// Before: <p>aa</p>{<p>cc</p><p>b}b</p>\n\t\t\t// Merge:  <p>aab}b</p>{<p>cc</p>\n\t\t\t// Fix:    <p>aa{bb</p><p>cc</p>}\n\t\t\t//\n\t\t\t//         The range is expanded by an additional `b` letter but it is better than dropping the whole `cc` paragraph.\n\t\t\t//\n\t\t\t// Case 3: Range start is directly before merged node.\n\t\t\t//         Resulting range should include only nodes from the merged element:\n\t\t\t//\n\t\t\t// Before: <p>aa</p>{<p>b}b</p><p>cc</p>\n\t\t\t// Merge:  <p>aab}b</p>{<p>cc</p>\n\t\t\t// Fix:    <p>aa{b}b</p><p>cc</p>\n\t\t\t//\n\n\t\t\tif ( operation.sourcePosition.isBefore( operation.targetPosition ) ) {\n\t\t\t\t// Case 1.\n\t\t\t\tstart = Position._createAt( end );\n\t\t\t\tstart.offset = 0;\n\t\t\t} else {\n\t\t\t\tif ( !operation.deletionPosition.isEqual( start ) ) {\n\t\t\t\t\t// Case 2.\n\t\t\t\t\tend = operation.deletionPosition;\n\t\t\t\t}\n\n\t\t\t\t// In both case 2 and 3 start is at the end of the merge-to element.\n\t\t\t\tstart = operation.targetPosition;\n\t\t\t}\n\n\t\t\treturn new Range( start, end );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Returns an array containing one or two {@link ~Range ranges} that are a result of transforming this\n\t * {@link ~Range range} by inserting `howMany` nodes at `insertPosition`. Two {@link ~Range ranges} are\n\t * returned if the insertion was inside this {@link ~Range range} and `spread` is set to `true`.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet range = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2, 7 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 4, 0, 1 ] )\n\t *\t\t);\n\t *\t\tlet transformed = range._getTransformedByInsertion( model.createPositionFromPath( root, [ 1 ] ), 2 );\n\t *\t\t// transformed array has one range from [ 4, 7 ] to [ 6, 0, 1 ]\n\t *\n\t *\t\ttransformed = range._getTransformedByInsertion( model.createPositionFromPath( root, [ 4, 0, 0 ] ), 4 );\n\t *\t\t// transformed array has one range from [ 2, 7 ] to [ 4, 0, 5 ]\n\t *\n\t *\t\ttransformed = range._getTransformedByInsertion( model.createPositionFromPath( root, [ 3, 2 ] ), 4 );\n\t *\t\t// transformed array has one range, which is equal to original range\n\t *\n\t *\t\ttransformed = range._getTransformedByInsertion( model.createPositionFromPath( root, [ 3, 2 ] ), 4, true );\n\t *\t\t// transformed array has two ranges: from [ 2, 7 ] to [ 3, 2 ] and from [ 3, 6 ] to [ 4, 0, 1 ]\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} insertPosition Position where nodes are inserted.\n\t * @param {Number} howMany How many nodes are inserted.\n\t * @param {Boolean} [spread] Flag indicating whether this {~Range range} should be spread if insertion\n\t * was inside the range. Defaults to `false`.\n\t * @returns {Array.<module:engine/model/range~Range>} Result of the transformation.\n\t */\n\t_getTransformedByInsertion( insertPosition, howMany, spread = false ) {\n\t\tif ( spread && this.containsPosition( insertPosition ) ) {\n\t\t\t// Range has to be spread. The first part is from original start to the spread point.\n\t\t\t// The other part is from spread point to the original end, but transformed by\n\t\t\t// insertion to reflect insertion changes.\n\n\t\t\treturn [\n\t\t\t\tnew Range( this.start, insertPosition ),\n\t\t\t\tnew Range(\n\t\t\t\t\tinsertPosition.getShiftedBy( howMany ),\n\t\t\t\t\tthis.end._getTransformedByInsertion( insertPosition, howMany )\n\t\t\t\t)\n\t\t\t];\n\t\t} else {\n\t\t\tconst range = new Range( this.start, this.end );\n\n\t\t\trange.start = range.start._getTransformedByInsertion( insertPosition, howMany );\n\t\t\trange.end = range.end._getTransformedByInsertion( insertPosition, howMany );\n\n\t\t\treturn [ range ];\n\t\t}\n\t}\n\n\t/**\n\t * Returns an array containing {@link ~Range ranges} that are a result of transforming this\n\t * {@link ~Range range} by moving `howMany` nodes from `sourcePosition` to `targetPosition`.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} sourcePosition Position from which nodes are moved.\n\t * @param {module:engine/model/position~Position} targetPosition Position to where nodes are moved.\n\t * @param {Number} howMany How many nodes are moved.\n\t * @param {Boolean} [spread=false] Whether the range should be spread if the move points inside the range.\n\t * @returns {Array.<module:engine/model/range~Range>} Result of the transformation.\n\t */\n\t_getTransformedByMove( sourcePosition, targetPosition, howMany, spread = false ) {\n\t\t// Special case for transforming a collapsed range. Just transform it like a position.\n\t\tif ( this.isCollapsed ) {\n\t\t\tconst newPos = this.start._getTransformedByMove( sourcePosition, targetPosition, howMany );\n\n\t\t\treturn [ new Range( newPos ) ];\n\t\t}\n\n\t\t// Special case for transformation when a part of the range is moved towards the range.\n\t\t//\n\t\t// Examples:\n\t\t//\n\t\t// <div><p>ab</p><p>c[d</p></div><p>e]f</p> --> <div><p>ab</p></div><p>c[d</p><p>e]f</p>\n\t\t// <p>e[f</p><div><p>a]b</p><p>cd</p></div> --> <p>e[f</p><p>a]b</p><div><p>cd</p></div>\n\t\t//\n\t\t// Without this special condition, the default algorithm leaves an \"artifact\" range from one of `differenceSet` parts:\n\t\t//\n\t\t// <div><p>ab</p><p>c[d</p></div><p>e]f</p> --> <div><p>ab</p>{</div>}<p>c[d</p><p>e]f</p>\n\t\t//\n\t\t// This special case is applied only if the range is to be kept together (not spread).\n\t\tconst moveRange = Range._createFromPositionAndShift( sourcePosition, howMany );\n\t\tconst insertPosition = targetPosition._getTransformedByDeletion( sourcePosition, howMany );\n\n\t\tif ( this.containsPosition( targetPosition ) && !spread ) {\n\t\t\tif ( moveRange.containsPosition( this.start ) || moveRange.containsPosition( this.end ) ) {\n\t\t\t\tconst start = this.start._getTransformedByMove( sourcePosition, targetPosition, howMany );\n\t\t\t\tconst end = this.end._getTransformedByMove( sourcePosition, targetPosition, howMany );\n\n\t\t\t\treturn [ new Range( start, end ) ];\n\t\t\t}\n\t\t}\n\n\t\t// Default algorithm.\n\t\tlet result;\n\n\t\tconst differenceSet = this.getDifference( moveRange );\n\t\tlet difference = null;\n\n\t\tconst common = this.getIntersection( moveRange );\n\n\t\tif ( differenceSet.length == 1 ) {\n\t\t\t// `moveRange` and this range may intersect but may be separate.\n\t\t\tdifference = new Range(\n\t\t\t\tdifferenceSet[ 0 ].start._getTransformedByDeletion( sourcePosition, howMany ),\n\t\t\t\tdifferenceSet[ 0 ].end._getTransformedByDeletion( sourcePosition, howMany )\n\t\t\t);\n\t\t} else if ( differenceSet.length == 2 ) {\n\t\t\t// `moveRange` is inside this range.\n\t\t\tdifference = new Range(\n\t\t\t\tthis.start,\n\t\t\t\tthis.end._getTransformedByDeletion( sourcePosition, howMany )\n\t\t\t);\n\t\t} // else, `moveRange` contains this range.\n\n\t\tif ( difference ) {\n\t\t\tresult = difference._getTransformedByInsertion( insertPosition, howMany, common !== null || spread );\n\t\t} else {\n\t\t\tresult = [];\n\t\t}\n\n\t\tif ( common ) {\n\t\t\tconst transformedCommon = new Range(\n\t\t\t\tcommon.start._getCombined( moveRange.start, insertPosition ),\n\t\t\t\tcommon.end._getCombined( moveRange.start, insertPosition )\n\t\t\t);\n\n\t\t\tif ( result.length == 2 ) {\n\t\t\t\tresult.splice( 1, 0, transformedCommon );\n\t\t\t} else {\n\t\t\t\tresult.push( transformedCommon );\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Returns a copy of this range that is transformed by deletion of `howMany` nodes from `deletePosition`.\n\t *\n\t * If the deleted range is intersecting with the transformed range, the transformed range will be shrank.\n\t *\n\t * If the deleted range contains transformed range, `null` will be returned.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} deletionPosition Position from which nodes are removed.\n\t * @param {Number} howMany How many nodes are removed.\n\t * @returns {module:engine/model/range~Range|null} Result of the transformation.\n\t */\n\t_getTransformedByDeletion( deletePosition, howMany ) {\n\t\tlet newStart = this.start._getTransformedByDeletion( deletePosition, howMany );\n\t\tlet newEnd = this.end._getTransformedByDeletion( deletePosition, howMany );\n\n\t\tif ( newStart == null && newEnd == null ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( newStart == null ) {\n\t\t\tnewStart = deletePosition;\n\t\t}\n\n\t\tif ( newEnd == null ) {\n\t\t\tnewEnd = deletePosition;\n\t\t}\n\n\t\treturn new Range( newStart, newEnd );\n\t}\n\n\t/**\n\t * Creates a new range, spreading from specified {@link module:engine/model/position~Position position} to a position moved by\n\t * given `shift`. If `shift` is a negative value, shifted position is treated as the beginning of the range.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} position Beginning of the range.\n\t * @param {Number} shift How long the range should be.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tstatic _createFromPositionAndShift( position, shift ) {\n\t\tconst start = position;\n\t\tconst end = position.getShiftedBy( shift );\n\n\t\treturn shift > 0 ? new this( start, end ) : new this( end, start );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/model/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tstatic _createIn( element ) {\n\t\treturn new this( Position._createAt( element, 0 ), Position._createAt( element, element.maxOffset ) );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/model/item~Item model item} and ends after it.\n\t *\n\t * @protected\n\t * @param {module:engine/model/item~Item} item\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tstatic _createOn( item ) {\n\t\treturn this._createFromPositionAndShift( Position._createBefore( item ), item.offsetSize );\n\t}\n\n\t/**\n\t * Combines all ranges from the passed array into a one range. At least one range has to be passed.\n\t * Passed ranges must not have common parts.\n\t *\n\t * The first range from the array is a reference range. If other ranges start or end on the exactly same position where\n\t * the reference range, they get combined into one range.\n\t *\n\t *\t\t[  ][]  [    ][ ][             ][ ][]  [  ]  // Passed ranges, shown sorted\n\t *\t\t[    ]                                       // The result of the function if the first range was a reference range.\n\t *\t            [                           ]        // The result of the function if the third-to-seventh range was a reference range.\n\t *\t                                           [  ]  // The result of the function if the last range was a reference range.\n\t *\n\t * @param {Array.<module:engine/model/range~Range>} ranges Ranges to combine.\n\t * @returns {module:engine/model/range~Range} Combined range.\n\t */\n\tstatic _createFromRanges( ranges ) {\n\t\tif ( ranges.length === 0 ) {\n\t\t\t/**\n\t\t\t * At least one range has to be passed to\n\t\t\t * {@link module:engine/model/range~Range._createFromRanges `Range._createFromRanges()`}.\n\t\t\t *\n\t\t\t * @error range-create-from-ranges-empty-array\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'range-create-from-ranges-empty-array',\n\t\t\t\tnull\n\t\t\t);\n\t\t} else if ( ranges.length == 1 ) {\n\t\t\treturn ranges[ 0 ].clone();\n\t\t}\n\n\t\t// 1. Set the first range in `ranges` array as a reference range.\n\t\t// If we are going to return just a one range, one of the ranges need to be the reference one.\n\t\t// Other ranges will be stuck to that range, if possible.\n\t\tconst ref = ranges[ 0 ];\n\n\t\t// 2. Sort all the ranges so it's easier to process them.\n\t\tranges.sort( ( a, b ) => {\n\t\t\treturn a.start.isAfter( b.start ) ? 1 : -1;\n\t\t} );\n\n\t\t// 3. Check at which index the reference range is now.\n\t\tconst refIndex = ranges.indexOf( ref );\n\n\t\t// 4. At this moment we don't need the original range.\n\t\t// We are going to modify the result and we need to return a new instance of Range.\n\t\t// We have to create a copy of the reference range.\n\t\tconst result = new this( ref.start, ref.end );\n\n\t\t// 5. Ranges should be checked and glued starting from the range that is closest to the reference range.\n\t\t// Since ranges are sorted, start with the range with index that is closest to reference range index.\n\t\tif ( refIndex > 0 ) {\n\t\t\tfor ( let i = refIndex - 1; true; i++ ) {\n\t\t\t\tif ( ranges[ i ].end.isEqual( result.start ) ) {\n\t\t\t\t\tresult.start = Position._createAt( ranges[ i ].start );\n\t\t\t\t} else {\n\t\t\t\t\t// If ranges are not starting/ending at the same position there is no point in looking further.\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// 6. Ranges should be checked and glued starting from the range that is closest to the reference range.\n\t\t// Since ranges are sorted, start with the range with index that is closest to reference range index.\n\t\tfor ( let i = refIndex + 1; i < ranges.length; i++ ) {\n\t\t\tif ( ranges[ i ].start.isEqual( result.end ) ) {\n\t\t\t\tresult.end = Position._createAt( ranges[ i ].end );\n\t\t\t} else {\n\t\t\t\t// If ranges are not starting/ending at the same position there is no point in looking further.\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Creates a `Range` instance from given plain object (i.e. parsed JSON string).\n\t *\n\t * @param {Object} json Plain object to be converted to `Range`.\n\t * @param {module:engine/model/document~Document} doc Document object that will be range owner.\n\t * @returns {module:engine/model/element~Element} `Range` instance created using given plain object.\n\t */\n\tstatic fromJSON( json, doc ) {\n\t\treturn new this( Position.fromJSON( json.start, doc ), Position.fromJSON( json.end, doc ) );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `${ this.root } [ ${ this.start.path.join( ', ' ) } ] - [ ${ this.end.path.join( ', ' ) } ]`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelPosition: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/mapper\n */\n\nimport ModelPosition from '../model/position';\nimport ModelRange from '../model/range';\n\nimport ViewPosition from '../view/position';\nimport ViewRange from '../view/range';\nimport ViewText from '../view/text';\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Maps elements, positions and markers between {@link module:engine/view/document~Document the view} and\n * {@link module:engine/model/model the model}.\n *\n * The instance of the Mapper used for the editing pipeline is available in\n * {@link module:engine/controller/editingcontroller~EditingController#mapper `editor.editing.mapper`}.\n *\n * Mapper uses bound elements to find corresponding elements and positions, so, to get proper results,\n * all model elements should be {@link module:engine/conversion/mapper~Mapper#bindElements bound}.\n *\n * To map complex model to/from view relations, you may provide custom callbacks for\n * {@link module:engine/conversion/mapper~Mapper#event:modelToViewPosition modelToViewPosition event} and\n * {@link module:engine/conversion/mapper~Mapper#event:viewToModelPosition viewToModelPosition event} that are fired whenever\n * a position mapping request occurs.\n * Those events are fired by {@link module:engine/conversion/mapper~Mapper#toViewPosition toViewPosition}\n * and {@link module:engine/conversion/mapper~Mapper#toModelPosition toModelPosition} methods. `Mapper` adds it's own default callbacks\n * with `'lowest'` priority. To override default `Mapper` mapping, add custom callback with higher priority and\n * stop the event.\n */\nexport default class Mapper {\n\t/**\n\t * Creates an instance of the mapper.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Model element to view element mapping.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap}\n\t\t */\n\t\tthis._modelToViewMapping = new WeakMap();\n\n\t\t/**\n\t\t * View element to model element mapping.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap}\n\t\t */\n\t\tthis._viewToModelMapping = new WeakMap();\n\n\t\t/**\n\t\t * A map containing callbacks between view element names and functions evaluating length of view elements\n\t\t * in model.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._viewToModelLengthCallbacks = new Map();\n\n\t\t/**\n\t\t * Model marker name to view elements mapping.\n\t\t *\n\t\t * Keys are `String`s while values are `Set`s with {@link module:engine/view/element~Element view elements}.\n\t\t * One marker (name) can be mapped to multiple elements.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._markerNameToElements = new Map();\n\n\t\t/**\n\t\t * View element to model marker names mapping.\n\t\t *\n\t\t * This is reverse to {@link ~Mapper#_markerNameToElements} map.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._elementToMarkerNames = new Map();\n\n\t\t/**\n\t\t * Stores marker names of markers which has changed due to unbinding a view element (so it is assumed that the view element\n\t\t * has been removed, moved or renamed).\n\t\t *\n\t\t * @private\n\t\t * @member {Set.<module:engine/model/markercollection~Marker>}\n\t\t */\n\t\tthis._unboundMarkerNames = new Set();\n\n\t\t// Default mapper algorithm for mapping model position to view position.\n\t\tthis.on( 'modelToViewPosition', ( evt, data ) => {\n\t\t\tif ( data.viewPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst viewContainer = this._modelToViewMapping.get( data.modelPosition.parent );\n\n\t\t\tdata.viewPosition = this.findPositionIn( viewContainer, data.modelPosition.offset );\n\t\t}, { priority: 'low' } );\n\n\t\t// Default mapper algorithm for mapping view position to model position.\n\t\tthis.on( 'viewToModelPosition', ( evt, data ) => {\n\t\t\tif ( data.modelPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst viewBlock = this.findMappedViewAncestor( data.viewPosition );\n\t\t\tconst modelParent = this._viewToModelMapping.get( viewBlock );\n\t\t\tconst modelOffset = this._toModelOffset( data.viewPosition.parent, data.viewPosition.offset, viewBlock );\n\n\t\t\tdata.modelPosition = ModelPosition._createAt( modelParent, modelOffset );\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * Marks model and view elements as corresponding. Corresponding elements can be retrieved by using\n\t * the {@link module:engine/conversion/mapper~Mapper#toModelElement toModelElement} and\n\t * {@link module:engine/conversion/mapper~Mapper#toViewElement toViewElement} methods.\n\t * The information that elements are bound is also used to translate positions.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement Model element.\n\t * @param {module:engine/view/element~Element} viewElement View element.\n\t */\n\tbindElements( modelElement, viewElement ) {\n\t\tthis._modelToViewMapping.set( modelElement, viewElement );\n\t\tthis._viewToModelMapping.set( viewElement, modelElement );\n\t}\n\n\t/**\n\t * Unbinds given {@link module:engine/view/element~Element view element} from the map.\n\t *\n\t * **Note:** view-to-model binding will be removed, if it existed. However, corresponding model-to-view binding\n\t * will be removed only if model element is still bound to passed `viewElement`.\n\t *\n\t * This behavior lets for re-binding model element to another view element without fear of losing the new binding\n\t * when the previously bound view element is unbound.\n\t *\n\t * @param {module:engine/view/element~Element} viewElement View element to unbind.\n\t */\n\tunbindViewElement( viewElement ) {\n\t\tconst modelElement = this.toModelElement( viewElement );\n\n\t\tthis._viewToModelMapping.delete( viewElement );\n\n\t\tif ( this._elementToMarkerNames.has( viewElement ) ) {\n\t\t\tfor ( const markerName of this._elementToMarkerNames.get( viewElement ) ) {\n\t\t\t\tthis._unboundMarkerNames.add( markerName );\n\t\t\t}\n\t\t}\n\n\t\tif ( this._modelToViewMapping.get( modelElement ) == viewElement ) {\n\t\t\tthis._modelToViewMapping.delete( modelElement );\n\t\t}\n\t}\n\n\t/**\n\t * Unbinds given {@link module:engine/model/element~Element model element} from the map.\n\t *\n\t * **Note:** model-to-view binding will be removed, if it existed. However, corresponding view-to-model binding\n\t * will be removed only if view element is still bound to passed `modelElement`.\n\t *\n\t * This behavior lets for re-binding view element to another model element without fear of losing the new binding\n\t * when the previously bound model element is unbound.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement Model element to unbind.\n\t */\n\tunbindModelElement( modelElement ) {\n\t\tconst viewElement = this.toViewElement( modelElement );\n\n\t\tthis._modelToViewMapping.delete( modelElement );\n\n\t\tif ( this._viewToModelMapping.get( viewElement ) == modelElement ) {\n\t\t\tthis._viewToModelMapping.delete( viewElement );\n\t\t}\n\t}\n\n\t/**\n\t * Binds given marker name with given {@link module:engine/view/element~Element view element}. The element\n\t * will be added to the current set of elements bound with given marker name.\n\t *\n\t * @param {module:engine/view/element~Element} element Element to bind.\n\t * @param {String} name Marker name.\n\t */\n\tbindElementToMarker( element, name ) {\n\t\tconst elements = this._markerNameToElements.get( name ) || new Set();\n\t\telements.add( element );\n\n\t\tconst names = this._elementToMarkerNames.get( element ) || new Set();\n\t\tnames.add( name );\n\n\t\tthis._markerNameToElements.set( name, elements );\n\t\tthis._elementToMarkerNames.set( element, names );\n\t}\n\n\t/**\n\t * Unbinds an element from given marker name.\n\t *\n\t * @param {module:engine/view/element~Element} element Element to unbind.\n\t * @param {String} name Marker name.\n\t */\n\tunbindElementFromMarkerName( element, name ) {\n\t\tconst nameToElements = this._markerNameToElements.get( name );\n\n\t\tif ( nameToElements ) {\n\t\t\tnameToElements.delete( element );\n\n\t\t\tif ( nameToElements.size == 0 ) {\n\t\t\t\tthis._markerNameToElements.delete( name );\n\t\t\t}\n\t\t}\n\n\t\tconst elementToNames = this._elementToMarkerNames.get( element );\n\n\t\tif ( elementToNames ) {\n\t\t\telementToNames.delete( name );\n\n\t\t\tif ( elementToNames.size == 0 ) {\n\t\t\t\tthis._elementToMarkerNames.delete( element );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns all marker names of markers which has changed due to unbinding a view element (so it is assumed that the view element\n\t * has been removed, moved or renamed) since the last flush. After returning, the marker names list is cleared.\n\t *\n\t * @returns {Array.<String>}\n\t */\n\tflushUnboundMarkerNames() {\n\t\tconst markerNames = Array.from( this._unboundMarkerNames );\n\n\t\tthis._unboundMarkerNames.clear();\n\n\t\treturn markerNames;\n\t}\n\n\t/**\n\t * Removes all model to view and view to model bindings.\n\t */\n\tclearBindings() {\n\t\tthis._modelToViewMapping = new WeakMap();\n\t\tthis._viewToModelMapping = new WeakMap();\n\t\tthis._markerNameToElements = new Map();\n\t\tthis._elementToMarkerNames = new Map();\n\t\tthis._unboundMarkerNames = new Set();\n\t}\n\n\t/**\n\t * Gets the corresponding model element.\n\t *\n\t * **Note:** {@link module:engine/view/uielement~UIElement} does not have corresponding element in model.\n\t *\n\t * @param {module:engine/view/element~Element} viewElement View element.\n\t * @returns {module:engine/model/element~Element|undefined} Corresponding model element or `undefined` if not found.\n\t */\n\ttoModelElement( viewElement ) {\n\t\treturn this._viewToModelMapping.get( viewElement );\n\t}\n\n\t/**\n\t * Gets the corresponding view element.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement Model element.\n\t * @returns {module:engine/view/element~Element|undefined} Corresponding view element or `undefined` if not found.\n\t */\n\ttoViewElement( modelElement ) {\n\t\treturn this._modelToViewMapping.get( modelElement );\n\t}\n\n\t/**\n\t * Gets the corresponding model range.\n\t *\n\t * @param {module:engine/view/range~Range} viewRange View range.\n\t * @returns {module:engine/model/range~Range} Corresponding model range.\n\t */\n\ttoModelRange( viewRange ) {\n\t\treturn new ModelRange( this.toModelPosition( viewRange.start ), this.toModelPosition( viewRange.end ) );\n\t}\n\n\t/**\n\t * Gets the corresponding view range.\n\t *\n\t * @param {module:engine/model/range~Range} modelRange Model range.\n\t * @returns {module:engine/view/range~Range} Corresponding view range.\n\t */\n\ttoViewRange( modelRange ) {\n\t\treturn new ViewRange( this.toViewPosition( modelRange.start ), this.toViewPosition( modelRange.end ) );\n\t}\n\n\t/**\n\t * Gets the corresponding model position.\n\t *\n\t * @fires viewToModelPosition\n\t * @param {module:engine/view/position~Position} viewPosition View position.\n\t * @returns {module:engine/model/position~Position} Corresponding model position.\n\t */\n\ttoModelPosition( viewPosition ) {\n\t\tconst data = {\n\t\t\tviewPosition,\n\t\t\tmapper: this\n\t\t};\n\n\t\tthis.fire( 'viewToModelPosition', data );\n\n\t\treturn data.modelPosition;\n\t}\n\n\t/**\n\t * Gets the corresponding view position.\n\t *\n\t * @fires modelToViewPosition\n\t * @param {module:engine/model/position~Position} modelPosition Model position.\n\t * @param {Object} [options] Additional options for position mapping process.\n\t * @param {Boolean} [options.isPhantom=false] Should be set to `true` if the model position to map is pointing to a place\n\t * in model tree which no longer exists. For example, it could be an end of a removed model range.\n\t * @returns {module:engine/view/position~Position} Corresponding view position.\n\t */\n\ttoViewPosition( modelPosition, options = { isPhantom: false } ) {\n\t\tconst data = {\n\t\t\tmodelPosition,\n\t\t\tmapper: this,\n\t\t\tisPhantom: options.isPhantom\n\t\t};\n\n\t\tthis.fire( 'modelToViewPosition', data );\n\n\t\treturn data.viewPosition;\n\t}\n\n\t/**\n\t * Gets all view elements bound to the given marker name.\n\t *\n\t * @param {String} name Marker name.\n\t * @returns {Set.<module:engine/view/element~Element>|null} View elements bound with given marker name or `null`\n\t * if no elements are bound to given marker name.\n\t */\n\tmarkerNameToElements( name ) {\n\t\tconst boundElements = this._markerNameToElements.get( name );\n\n\t\tif ( !boundElements ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst elements = new Set();\n\n\t\tfor ( const element of boundElements ) {\n\t\t\tif ( element.is( 'attributeElement' ) ) {\n\t\t\t\tfor ( const clone of element.getElementsWithSameId() ) {\n\t\t\t\t\telements.add( clone );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\telements.add( element );\n\t\t\t}\n\t\t}\n\n\t\treturn elements;\n\t}\n\n\t/**\n\t * Registers a callback that evaluates the length in the model of a view element with given name.\n\t *\n\t * The callback is fired with one argument, which is a view element instance. The callback is expected to return\n\t * a number representing the length of view element in model.\n\t *\n\t *\t\t// List item in view may contain nested list, which have other list items. In model though,\n\t *\t\t// the lists are represented by flat structure. Because of those differences, length of list view element\n\t *\t\t// may be greater than one. In the callback it's checked how many nested list items are in evaluated list item.\n\t *\n\t *\t\tfunction getViewListItemLength( element ) {\n\t *\t\t\tlet length = 1;\n\t *\n\t *\t\t\tfor ( let child of element.getChildren() ) {\n\t *\t\t\t\tif ( child.name == 'ul' || child.name == 'ol' ) {\n\t *\t\t\t\t\tfor ( let item of child.getChildren() ) {\n\t *\t\t\t\t\t\tlength += getViewListItemLength( item );\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\n\t *\t\t\treturn length;\n\t *\t\t}\n\t *\n\t *\t\tmapper.registerViewToModelLength( 'li', getViewListItemLength );\n\t *\n\t * @param {String} viewElementName Name of view element for which callback is registered.\n\t * @param {Function} lengthCallback Function return a length of view element instance in model.\n\t */\n\tregisterViewToModelLength( viewElementName, lengthCallback ) {\n\t\tthis._viewToModelLengthCallbacks.set( viewElementName, lengthCallback );\n\t}\n\n\t/**\n\t * For given `viewPosition`, finds and returns the closest ancestor of this position that has a mapping to\n\t * the model.\n\t *\n\t * @param {module:engine/view/position~Position} viewPosition Position for which mapped ancestor should be found.\n\t * @returns {module:engine/view/element~Element}\n\t */\n\tfindMappedViewAncestor( viewPosition ) {\n\t\tlet parent = viewPosition.parent;\n\n\t\twhile ( !this._viewToModelMapping.has( parent ) ) {\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn parent;\n\t}\n\n\t/**\n\t * Calculates model offset based on the view position and the block element.\n\t *\n\t * Example:\n\t *\n\t *\t\t<p>foo<b>ba|r</b></p> // _toModelOffset( b, 2, p ) -> 5\n\t *\n\t * Is a sum of:\n\t *\n\t *\t\t<p>foo|<b>bar</b></p> // _toModelOffset( p, 3, p ) -> 3\n\t *\t\t<p>foo<b>ba|r</b></p> // _toModelOffset( b, 2, b ) -> 2\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} viewParent Position parent.\n\t * @param {Number} viewOffset Position offset.\n\t * @param {module:engine/view/element~Element} viewBlock Block used as a base to calculate offset.\n\t * @returns {Number} Offset in the model.\n\t */\n\t_toModelOffset( viewParent, viewOffset, viewBlock ) {\n\t\tif ( viewBlock != viewParent ) {\n\t\t\t// See example.\n\t\t\tconst offsetToParentStart = this._toModelOffset( viewParent.parent, viewParent.index, viewBlock );\n\t\t\tconst offsetInParent = this._toModelOffset( viewParent, viewOffset, viewParent );\n\n\t\t\treturn offsetToParentStart + offsetInParent;\n\t\t}\n\n\t\t// viewBlock == viewParent, so we need to calculate the offset in the parent element.\n\n\t\t// If the position is a text it is simple (\"ba|r\" -> 2).\n\t\tif ( viewParent.is( '$text' ) ) {\n\t\t\treturn viewOffset;\n\t\t}\n\n\t\t// If the position is in an element we need to sum lengths of siblings ( <b> bar </b> foo | -> 3 + 3 = 6 ).\n\t\tlet modelOffset = 0;\n\n\t\tfor ( let i = 0; i < viewOffset; i++ ) {\n\t\t\tmodelOffset += this.getModelLength( viewParent.getChild( i ) );\n\t\t}\n\n\t\treturn modelOffset;\n\t}\n\n\t/**\n\t * Gets the length of the view element in the model.\n\t *\n\t * The length is calculated as follows:\n\t * * if {@link #registerViewToModelLength length mapping callback} is provided for given `viewNode` it is used to\n\t * evaluate model length (`viewNode` is used as first and only parameter passed to the callback),\n\t * * length of a {@link module:engine/view/text~Text text node} is equal to the length of it's\n\t * {@link module:engine/view/text~Text#data data},\n\t * * length of a {@link module:engine/view/uielement~UIElement ui element} is equal to 0,\n\t * * length of a mapped {@link module:engine/view/element~Element element} is equal to 1,\n\t * * length of a not-mapped {@link module:engine/view/element~Element element} is equal to the length of it's children.\n\t *\n\t * Examples:\n\t *\n\t *\t\tfoo                          -> 3 // Text length is equal to it's data length.\n\t *\t\t<p>foo</p>                   -> 1 // Length of an element which is mapped is by default equal to 1.\n\t *\t\t<b>foo</b>                   -> 3 // Length of an element which is not mapped is a length of its children.\n\t *\t\t<div><p>x</p><p>y</p></div>  -> 2 // Assuming that <div> is not mapped and <p> are mapped.\n\t *\n\t * @param {module:engine/view/element~Element} viewNode View node.\n\t * @returns {Number} Length of the node in the tree model.\n\t */\n\tgetModelLength( viewNode ) {\n\t\tif ( this._viewToModelLengthCallbacks.get( viewNode.name ) ) {\n\t\t\tconst callback = this._viewToModelLengthCallbacks.get( viewNode.name );\n\n\t\t\treturn callback( viewNode );\n\t\t} else if ( this._viewToModelMapping.has( viewNode ) ) {\n\t\t\treturn 1;\n\t\t} else if ( viewNode.is( '$text' ) ) {\n\t\t\treturn viewNode.data.length;\n\t\t} else if ( viewNode.is( 'uiElement' ) ) {\n\t\t\treturn 0;\n\t\t} else {\n\t\t\tlet len = 0;\n\n\t\t\tfor ( const child of viewNode.getChildren() ) {\n\t\t\t\tlen += this.getModelLength( child );\n\t\t\t}\n\n\t\t\treturn len;\n\t\t}\n\t}\n\n\t/**\n\t * Finds the position in the view node (or its children) with the expected model offset.\n\t *\n\t * Example:\n\t *\n\t *\t\t<p>fo<b>bar</b>bom</p> -> expected offset: 4\n\t *\n\t *\t\tfindPositionIn( p, 4 ):\n\t *\t\t<p>|fo<b>bar</b>bom</p> -> expected offset: 4, actual offset: 0\n\t *\t\t<p>fo|<b>bar</b>bom</p> -> expected offset: 4, actual offset: 2\n\t *\t\t<p>fo<b>bar</b>|bom</p> -> expected offset: 4, actual offset: 5 -> we are too far\n\t *\n\t *\t\tfindPositionIn( b, 4 - ( 5 - 3 ) ):\n\t *\t\t<p>fo<b>|bar</b>bom</p> -> expected offset: 2, actual offset: 0\n\t *\t\t<p>fo<b>bar|</b>bom</p> -> expected offset: 2, actual offset: 3 -> we are too far\n\t *\n\t *\t\tfindPositionIn( bar, 2 - ( 3 - 3 ) ):\n\t *\t\tWe are in the text node so we can simple find the offset.\n\t *\t\t<p>fo<b>ba|r</b>bom</p> -> expected offset: 2, actual offset: 2 -> position found\n\t *\n\t * @param {module:engine/view/element~Element} viewParent Tree view element in which we are looking for the position.\n\t * @param {Number} expectedOffset Expected offset.\n\t * @returns {module:engine/view/position~Position} Found position.\n\t */\n\tfindPositionIn( viewParent, expectedOffset ) {\n\t\t// Last scanned view node.\n\t\tlet viewNode;\n\t\t// Length of the last scanned view node.\n\t\tlet lastLength = 0;\n\n\t\tlet modelOffset = 0;\n\t\tlet viewOffset = 0;\n\n\t\t// In the text node it is simple: offset in the model equals offset in the text.\n\t\tif ( viewParent.is( '$text' ) ) {\n\t\t\treturn new ViewPosition( viewParent, expectedOffset );\n\t\t}\n\n\t\t// In other cases we add lengths of child nodes to find the proper offset.\n\n\t\t// If it is smaller we add the length.\n\t\twhile ( modelOffset < expectedOffset ) {\n\t\t\tviewNode = viewParent.getChild( viewOffset );\n\t\t\tlastLength = this.getModelLength( viewNode );\n\t\t\tmodelOffset += lastLength;\n\t\t\tviewOffset++;\n\t\t}\n\n\t\t// If it equals we found the position.\n\t\tif ( modelOffset == expectedOffset ) {\n\t\t\treturn this._moveViewPositionToTextNode( new ViewPosition( viewParent, viewOffset ) );\n\t\t}\n\t\t// If it is higher we need to enter last child.\n\t\telse {\n\t\t\t// ( modelOffset - lastLength ) is the offset to the child we enter,\n\t\t\t// so we subtract it from the expected offset to fine the offset in the child.\n\t\t\treturn this.findPositionIn( viewNode, expectedOffset - ( modelOffset - lastLength ) );\n\t\t}\n\t}\n\n\t/**\n\t * Because we prefer positions in text nodes over positions next to text node moves view position to the text node\n\t * if it was next to it.\n\t *\n\t *\t\t<p>[]<b>foo</b></p> -> <p>[]<b>foo</b></p> // do not touch if position is not directly next to text\n\t *\t\t<p>foo[]<b>foo</b></p> -> <p>foo{}<b>foo</b></p> // move to text node\n\t *\t\t<p><b>[]foo</b></p> -> <p><b>{}foo</b></p> // move to text node\n\t *\n\t * @private\n\t * @param {module:engine/view/position~Position} viewPosition Position potentially next to text node.\n\t * @returns {module:engine/view/position~Position} Position in text node if possible.\n\t */\n\t_moveViewPositionToTextNode( viewPosition ) {\n\t\t// If the position is just after text node, put it at the end of that text node.\n\t\t// If the position is just before text node, put it at the beginning of that text node.\n\t\tconst nodeBefore = viewPosition.nodeBefore;\n\t\tconst nodeAfter = viewPosition.nodeAfter;\n\n\t\tif ( nodeBefore instanceof ViewText ) {\n\t\t\treturn new ViewPosition( nodeBefore, nodeBefore.data.length );\n\t\t} else if ( nodeAfter instanceof ViewText ) {\n\t\t\treturn new ViewPosition( nodeAfter, 0 );\n\t\t}\n\n\t\t// Otherwise, just return the given position.\n\t\treturn viewPosition;\n\t}\n\n\t/**\n\t * Fired for each model-to-view position mapping request. The purpose of this event is to enable custom model-to-view position\n\t * mapping. Callbacks added to this event take {@link module:engine/model/position~Position model position} and are expected to\n\t * calculate {@link module:engine/view/position~Position view position}. Calculated view position should be added as `viewPosition`\n\t * value in `data` object that is passed as one of parameters to the event callback.\n\t *\n\t * \t\t// Assume that \"captionedImage\" model element is converted to <img> and following <span> elements in view,\n\t * \t\t// and the model element is bound to <img> element. Force mapping model positions inside \"captionedImage\" to that\n\t * \t\t// <span> element.\n\t *\t\tmapper.on( 'modelToViewPosition', ( evt, data ) => {\n\t *\t\t\tconst positionParent = modelPosition.parent;\n\t *\n\t *\t\t\tif ( positionParent.name == 'captionedImage' ) {\n\t *\t\t\t\tconst viewImg = data.mapper.toViewElement( positionParent );\n\t *\t\t\t\tconst viewCaption = viewImg.nextSibling; // The <span> element.\n\t *\n\t *\t\t\t\tdata.viewPosition = new ViewPosition( viewCaption, modelPosition.offset );\n\t *\n\t *\t\t\t\t// Stop the event if other callbacks should not modify calculated value.\n\t *\t\t\t\tevt.stop();\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * **Note:** keep in mind that sometimes a \"phantom\" model position is being converted. \"Phantom\" model position is\n\t * a position that points to a non-existing place in model. Such position might still be valid for conversion, though\n\t * (it would point to a correct place in view when converted). One example of such situation is when a range is\n\t * removed from model, there may be a need to map the range's end (which is no longer valid model position). To\n\t * handle such situation, check `data.isPhantom` flag:\n\t *\n\t * \t\t// Assume that there is \"customElement\" model element and whenever position is before it, we want to move it\n\t * \t\t// to the inside of the view element bound to \"customElement\".\n\t *\t\tmapper.on( 'modelToViewPosition', ( evt, data ) => {\n\t *\t\t\tif ( data.isPhantom ) {\n\t *\t\t\t\treturn;\n\t *\t\t\t}\n\t *\n\t *\t\t\t// Below line might crash for phantom position that does not exist in model.\n\t *\t\t\tconst sibling = data.modelPosition.nodeBefore;\n\t *\n\t *\t\t\t// Check if this is the element we are interested in.\n\t *\t\t\tif ( !sibling.is( 'element', 'customElement' ) ) {\n\t *\t\t\t\treturn;\n\t *\t\t\t}\n\t *\n\t *\t\t\tconst viewElement = data.mapper.toViewElement( sibling );\n\t *\n\t *\t\t\tdata.viewPosition = new ViewPosition( sibling, 0 );\n\t *\n\t *\t\t\tevt.stop();\n\t *\t\t} );\n\t *\n\t * **Note:** default mapping callback is provided with `low` priority setting and does not cancel the event, so it is possible to\n\t * attach a custom callback after default callback and also use `data.viewPosition` calculated by default callback\n\t * (for example to fix it).\n\t *\n\t * **Note:** default mapping callback will not fire if `data.viewPosition` is already set.\n\t *\n\t * **Note:** these callbacks are called **very often**. For efficiency reasons, it is advised to use them only when position\n\t * mapping between given model and view elements is unsolvable using just elements mapping and default algorithm. Also,\n\t * the condition that checks if special case scenario happened should be as simple as possible.\n\t *\n\t * @event modelToViewPosition\n\t * @param {Object} data Data pipeline object that can store and pass data between callbacks. The callback should add\n\t * `viewPosition` value to that object with calculated {@link module:engine/view/position~Position view position}.\n\t * @param {module:engine/conversion/mapper~Mapper} data.mapper Mapper instance that fired the event.\n\t */\n\n\t/**\n\t * Fired for each view-to-model position mapping request. See {@link module:engine/conversion/mapper~Mapper#event:modelToViewPosition}.\n\t *\n\t * \t\t// See example in `modelToViewPosition` event description.\n\t * \t\t// This custom mapping will map positions from <span> element next to <img> to the \"captionedImage\" element.\n\t *\t\tmapper.on( 'viewToModelPosition', ( evt, data ) => {\n\t *\t\t\tconst positionParent = viewPosition.parent;\n\t *\n\t *\t\t\tif ( positionParent.hasClass( 'image-caption' ) ) {\n\t *\t\t\t\tconst viewImg = positionParent.previousSibling;\n\t *\t\t\t\tconst modelImg = data.mapper.toModelElement( viewImg );\n\t *\n\t *\t\t\t\tdata.modelPosition = new ModelPosition( modelImg, viewPosition.offset );\n\t *\t\t\t\tevt.stop();\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * **Note:** default mapping callback is provided with `low` priority setting and does not cancel the event, so it is possible to\n\t * attach a custom callback after default callback and also use `data.modelPosition` calculated by default callback\n\t * (for example to fix it).\n\t *\n\t * **Note:** default mapping callback will not fire if `data.modelPosition` is already set.\n\t *\n\t * **Note:** these callbacks are called **very often**. For efficiency reasons, it is advised to use them only when position\n\t * mapping between given model and view elements is unsolvable using just elements mapping and default algorithm. Also,\n\t * the condition that checks if special case scenario happened should be as simple as possible.\n\t *\n\t * @event viewToModelPosition\n\t * @param {Object} data Data pipeline object that can store and pass data between callbacks. The callback should add\n\t * `modelPosition` value to that object with calculated {@link module:engine/model/position~Position model position}.\n\t * @param {module:engine/conversion/mapper~Mapper} data.mapper Mapper instance that fired the event.\n\t */\n}\n\nmix( Mapper, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/modelconsumable\n */\n\nimport TextProxy from '../model/textproxy';\n\n/**\n * Manages a list of consumable values for {@link module:engine/model/item~Item model items}.\n *\n * Consumables are various aspects of the model. A model item can be broken down into singular properties that might be\n * taken into consideration when converting that item.\n *\n * `ModelConsumable` is used by {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher} while analyzing changed\n * parts of {@link module:engine/model/document~Document the document}. The added / changed / removed model items are broken down\n * into singular properties (the item itself and it's attributes). All those parts are saved in `ModelConsumable`. Then,\n * during conversion, when given part of model item is converted (i.e. the view element has been inserted into the view,\n * but without attributes), consumable value is removed from `ModelConsumable`.\n *\n * For model items, `ModelConsumable` stores consumable values of one of following types: `insert`, `addattribute:<attributeKey>`,\n * `changeattributes:<attributeKey>`, `removeattributes:<attributeKey>`.\n *\n * In most cases, it is enough to let {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}\n * gather consumable values, so there is no need to use\n * {@link module:engine/conversion/modelconsumable~ModelConsumable#add add method} directly.\n * However, it is important to understand how consumable values can be\n * {@link module:engine/conversion/modelconsumable~ModelConsumable#consume consumed}.\n * See {@link module:engine/conversion/downcasthelpers default downcast converters} for more information.\n *\n * Keep in mind, that one conversion event may have multiple callbacks (converters) attached to it. Each of those is\n * able to convert one or more parts of the model. However, when one of those callbacks actually converts\n * something, other should not, because they would duplicate the results. Using `ModelConsumable` helps avoiding\n * this situation, because callbacks should only convert those values, which were not yet consumed from `ModelConsumable`.\n *\n * Consuming multiple values in a single callback:\n *\n *\t\t// Converter for custom `image` element that might have a `caption` element inside which changes\n *\t\t// how the image is displayed in the view:\n *\t\t//\n *\t\t// Model:\n *\t\t//\n *\t\t// [image]\n *\t\t//   └─ [caption]\n *\t\t//       └─ foo\n *\t\t//\n *\t\t// View:\n *\t\t//\n *\t\t// <figure>\n *\t\t//   ├─ <img />\n *\t\t//   └─ <caption>\n *\t\t//       └─ foo\n *\t\tmodelConversionDispatcher.on( 'insert:image', ( evt, data, conversionApi ) => {\n *\t\t\t// First, consume the `image` element.\n *\t\t\tconversionApi.consumable.consume( data.item, 'insert' );\n *\n *\t\t\t// Just create normal image element for the view.\n *\t\t\t// Maybe it will be \"decorated\" later.\n *\t\t\tconst viewImage = new ViewElement( 'img' );\n *\t\t\tconst insertPosition = conversionApi.mapper.toViewPosition( data.range.start );\n *\t\t\tconst viewWriter = conversionApi.writer;\n *\n *\t\t\t// Check if the `image` element has children.\n *\t\t\tif ( data.item.childCount > 0 ) {\n *\t\t\t\tconst modelCaption = data.item.getChild( 0 );\n *\n *\t\t\t\t// `modelCaption` insertion change is consumed from consumable values.\n *\t\t\t\t// It will not be converted by other converters, but it's children (probably some text) will be.\n *\t\t\t\t// Through mapping, converters for text will know where to insert contents of `modelCaption`.\n *\t\t\t\tif ( conversionApi.consumable.consume( modelCaption, 'insert' ) ) {\n *\t\t\t\t\tconst viewCaption = new ViewElement( 'figcaption' );\n *\n *\t\t\t\t\tconst viewImageHolder = new ViewElement( 'figure', null, [ viewImage, viewCaption ] );\n *\n *\t\t\t\t\tconversionApi.mapper.bindElements( modelCaption, viewCaption );\n *\t\t\t\t\tconversionApi.mapper.bindElements( data.item, viewImageHolder );\n *\t\t\t\t\tviewWriter.insert( insertPosition, viewImageHolder );\n *\t\t\t\t}\n *\t\t\t} else {\n *\t\t\t\tconversionApi.mapper.bindElements( data.item, viewImage );\n *\t\t\t\tviewWriter.insert( insertPosition, viewImage );\n *\t\t\t}\n *\n *\t\t\tevt.stop();\n *\t\t} );\n */\nexport default class ModelConsumable {\n\t/**\n\t * Creates an empty consumables list.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Contains list of consumable values.\n\t\t *\n\t\t * @private\n\t\t * @member {Map} module:engine/conversion/modelconsumable~ModelConsumable#_consumable\n\t\t */\n\t\tthis._consumable = new Map();\n\n\t\t/**\n\t\t * For each {@link module:engine/model/textproxy~TextProxy} added to `ModelConsumable`, this registry holds parent\n\t\t * of that `TextProxy` and start and end indices of that `TextProxy`. This allows identification of `TextProxy`\n\t\t * instances that points to the same part of the model but are different instances. Each distinct `TextProxy`\n\t\t * is given unique `Symbol` which is then registered as consumable. This process is transparent for `ModelConsumable`\n\t\t * API user because whenever `TextProxy` is added, tested, consumed or reverted, internal mechanisms of\n\t\t * `ModelConsumable` translates `TextProxy` to that unique `Symbol`.\n\t\t *\n\t\t * @private\n\t\t * @member {Map} module:engine/conversion/modelconsumable~ModelConsumable#_textProxyRegistry\n\t\t */\n\t\tthis._textProxyRegistry = new Map();\n\t}\n\n\t/**\n\t * Adds a consumable value to the consumables list and links it with given model item.\n\t *\n\t *\t\tmodelConsumable.add( modelElement, 'insert' ); // Add `modelElement` insertion change to consumable values.\n\t *\t\tmodelConsumable.add( modelElement, 'addAttribute:bold' ); // Add `bold` attribute insertion on `modelElement` change.\n\t *\t\tmodelConsumable.add( modelElement, 'removeAttribute:bold' ); // Add `bold` attribute removal on `modelElement` change.\n\t *\t\tmodelConsumable.add( modelSelection, 'selection' ); // Add `modelSelection` to consumable values.\n\t *\t\tmodelConsumable.add( modelRange, 'range' ); // Add `modelRange` to consumable values.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection|module:engine/model/range~Range} item\n\t * Model item, range or selection that has the consumable.\n\t * @param {String} type Consumable type. Will be normalized to a proper form, that is either `<word>` or `<part>:<part>`.\n\t * Second colon and everything after will be cut. Passing event name is a safe and good practice.\n\t */\n\tadd( item, type ) {\n\t\ttype = _normalizeConsumableType( type );\n\n\t\tif ( item instanceof TextProxy ) {\n\t\t\titem = this._getSymbolForTextProxy( item );\n\t\t}\n\n\t\tif ( !this._consumable.has( item ) ) {\n\t\t\tthis._consumable.set( item, new Map() );\n\t\t}\n\n\t\tthis._consumable.get( item ).set( type, true );\n\t}\n\n\t/**\n\t * Removes given consumable value from given model item.\n\t *\n\t *\t\tmodelConsumable.consume( modelElement, 'insert' ); // Remove `modelElement` insertion change from consumable values.\n\t *\t\tmodelConsumable.consume( modelElement, 'addAttribute:bold' ); // Remove `bold` attribute insertion on `modelElement` change.\n\t *\t\tmodelConsumable.consume( modelElement, 'removeAttribute:bold' ); // Remove `bold` attribute removal on `modelElement` change.\n\t *\t\tmodelConsumable.consume( modelSelection, 'selection' ); // Remove `modelSelection` from consumable values.\n\t *\t\tmodelConsumable.consume( modelRange, 'range' ); // Remove 'modelRange' from consumable values.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection|module:engine/model/range~Range} item\n\t * Model item, range or selection from which consumable will be consumed.\n\t * @param {String} type Consumable type. Will be normalized to a proper form, that is either `<word>` or `<part>:<part>`.\n\t * Second colon and everything after will be cut. Passing event name is a safe and good practice.\n\t * @returns {Boolean} `true` if consumable value was available and was consumed, `false` otherwise.\n\t */\n\tconsume( item, type ) {\n\t\ttype = _normalizeConsumableType( type );\n\n\t\tif ( item instanceof TextProxy ) {\n\t\t\titem = this._getSymbolForTextProxy( item );\n\t\t}\n\n\t\tif ( this.test( item, type ) ) {\n\t\t\tthis._consumable.get( item ).set( type, false );\n\n\t\t\treturn true;\n\t\t} else {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t/**\n\t * Tests whether there is a consumable value of given type connected with given model item.\n\t *\n\t *\t\tmodelConsumable.test( modelElement, 'insert' ); // Check for `modelElement` insertion change.\n\t *\t\tmodelConsumable.test( modelElement, 'addAttribute:bold' ); // Check for `bold` attribute insertion on `modelElement` change.\n\t *\t\tmodelConsumable.test( modelElement, 'removeAttribute:bold' ); // Check for `bold` attribute removal on `modelElement` change.\n\t *\t\tmodelConsumable.test( modelSelection, 'selection' ); // Check if `modelSelection` is consumable.\n\t *\t\tmodelConsumable.test( modelRange, 'range' ); // Check if `modelRange` is consumable.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection|module:engine/model/range~Range} item\n\t * Model item, range or selection to be tested.\n\t * @param {String} type Consumable type. Will be normalized to a proper form, that is either `<word>` or `<part>:<part>`.\n\t * Second colon and everything after will be cut. Passing event name is a safe and good practice.\n\t * @returns {null|Boolean} `null` if such consumable was never added, `false` if the consumable values was\n\t * already consumed or `true` if it was added and not consumed yet.\n\t */\n\ttest( item, type ) {\n\t\ttype = _normalizeConsumableType( type );\n\n\t\tif ( item instanceof TextProxy ) {\n\t\t\titem = this._getSymbolForTextProxy( item );\n\t\t}\n\n\t\tconst itemConsumables = this._consumable.get( item );\n\n\t\tif ( itemConsumables === undefined ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst value = itemConsumables.get( type );\n\n\t\tif ( value === undefined ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn value;\n\t}\n\n\t/**\n\t * Reverts consuming of consumable value.\n\t *\n\t *\t\tmodelConsumable.revert( modelElement, 'insert' ); // Revert consuming `modelElement` insertion change.\n\t *\t\tmodelConsumable.revert( modelElement, 'addAttribute:bold' ); // Revert consuming `bold` attribute insert from `modelElement`.\n\t *\t\tmodelConsumable.revert( modelElement, 'removeAttribute:bold' ); // Revert consuming `bold` attribute remove from `modelElement`.\n\t *\t\tmodelConsumable.revert( modelSelection, 'selection' ); // Revert consuming `modelSelection`.\n\t *\t\tmodelConsumable.revert( modelRange, 'range' ); // Revert consuming `modelRange`.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection|module:engine/model/range~Range} item\n\t * Model item, range or selection to be reverted.\n\t * @param {String} type Consumable type.\n\t * @returns {null|Boolean} `true` if consumable has been reversed, `false` otherwise. `null` if the consumable has\n\t * never been added.\n\t */\n\trevert( item, type ) {\n\t\ttype = _normalizeConsumableType( type );\n\n\t\tif ( item instanceof TextProxy ) {\n\t\t\titem = this._getSymbolForTextProxy( item );\n\t\t}\n\n\t\tconst test = this.test( item, type );\n\n\t\tif ( test === false ) {\n\t\t\tthis._consumable.get( item ).set( type, true );\n\n\t\t\treturn true;\n\t\t} else if ( test === true ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Gets a unique symbol for passed {@link module:engine/model/textproxy~TextProxy} instance. All `TextProxy` instances that\n\t * have same parent, same start index and same end index will get the same symbol.\n\t *\n\t * Used internally to correctly consume `TextProxy` instances.\n\t *\n\t * @private\n\t * @param {module:engine/model/textproxy~TextProxy} textProxy `TextProxy` instance to get a symbol for.\n\t * @returns {Symbol} Symbol representing all equal instances of `TextProxy`.\n\t */\n\t_getSymbolForTextProxy( textProxy ) {\n\t\tlet symbol = null;\n\n\t\tconst startMap = this._textProxyRegistry.get( textProxy.startOffset );\n\n\t\tif ( startMap ) {\n\t\t\tconst endMap = startMap.get( textProxy.endOffset );\n\n\t\t\tif ( endMap ) {\n\t\t\t\tsymbol = endMap.get( textProxy.parent );\n\t\t\t}\n\t\t}\n\n\t\tif ( !symbol ) {\n\t\t\tsymbol = this._addSymbolForTextProxy( textProxy.startOffset, textProxy.endOffset, textProxy.parent );\n\t\t}\n\n\t\treturn symbol;\n\t}\n\n\t/**\n\t * Adds a symbol for given properties that characterizes a {@link module:engine/model/textproxy~TextProxy} instance.\n\t *\n\t * Used internally to correctly consume `TextProxy` instances.\n\t *\n\t * @private\n\t * @param {Number} startIndex Text proxy start index in it's parent.\n\t * @param {Number} endIndex Text proxy end index in it's parent.\n\t * @param {module:engine/model/element~Element} parent Text proxy parent.\n\t * @returns {Symbol} Symbol generated for given properties.\n\t */\n\t_addSymbolForTextProxy( start, end, parent ) {\n\t\tconst symbol = Symbol( 'textProxySymbol' );\n\t\tlet startMap, endMap;\n\n\t\tstartMap = this._textProxyRegistry.get( start );\n\n\t\tif ( !startMap ) {\n\t\t\tstartMap = new Map();\n\t\t\tthis._textProxyRegistry.set( start, startMap );\n\t\t}\n\n\t\tendMap = startMap.get( end );\n\n\t\tif ( !endMap ) {\n\t\t\tendMap = new Map();\n\t\t\tstartMap.set( end, endMap );\n\t\t}\n\n\t\tendMap.set( parent, symbol );\n\n\t\treturn symbol;\n\t}\n}\n\n// Returns a normalized consumable type name from given string. A normalized consumable type name is a string that has\n// at most one colon, for example: `insert` or `addMarker:highlight`. If string to normalize has more \"parts\" (more colons),\n// the other parts are dropped, for example: `addattribute:bold:$text` -> `addattributes:bold`.\n//\n// @param {String} type Consumable type.\n// @returns {String} Normalized consumable type.\nfunction _normalizeConsumableType( type ) {\n\tconst parts = type.split( ':' );\n\n\treturn parts.length > 1 ? parts[ 0 ] + ':' + parts[ 1 ] : parts[ 0 ];\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/downcastdispatcher\n */\n\nimport Consumable from './modelconsumable';\nimport Range from '../model/range';\nimport Position, { getNodeAfterPosition, getTextNodeAtPosition } from '../model/position';\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The downcast dispatcher is a central point of downcasting (conversion from the model to the view), which is a process of reacting\n * to changes in the model and firing a set of events. Callbacks listening to these events are called converters. The\n * converters' role is to convert the model changes to changes in view (for example, adding view nodes or\n * changing attributes on view elements).\n *\n * During the conversion process, downcast dispatcher fires events basing on the state of the model and prepares\n * data for these events. It is important to understand that the events are connected with the changes done on the model,\n * for example: \"a node has been inserted\" or \"an attribute has changed\". This is in contrary to upcasting (a view-to-model conversion)\n * where you convert the view state (view nodes) to a model tree.\n *\n * The events are prepared basing on a diff created by {@link module:engine/model/differ~Differ Differ}, which buffers them\n * and then passes to the downcast dispatcher as a diff between the old model state and the new model state.\n *\n * Note that because the changes are converted, there is a need to have a mapping between the model structure and the view structure.\n * To map positions and elements during the downcast (a model-to-view conversion), use {@link module:engine/conversion/mapper~Mapper}.\n *\n * Downcast dispatcher fires the following events for model tree changes:\n *\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert `insert`} &ndash;\n * If a range of nodes was inserted to the model tree.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:remove `remove`} &ndash;\n * If a range of nodes was removed from the model tree.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute `attribute`} &ndash;\n * If an attribute was added, changed or removed from a model node.\n *\n * For {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert `insert`}\n * and {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute `attribute`},\n * downcast dispatcher generates {@link module:engine/conversion/modelconsumable~ModelConsumable consumables}.\n * These are used to have control over which changes have already been consumed. It is useful when some converters\n * overwrite others or convert multiple changes (for example, it converts an insertion of an element and also converts that\n * element's attributes during the insertion).\n *\n * Additionally, downcast dispatcher fires events for {@link module:engine/model/markercollection~Marker marker} changes:\n *\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker} &ndash; If a marker was added.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:removeMarker} &ndash; If a marker was removed.\n *\n * Note that changing a marker is done through removing the marker from the old range and adding it to the new range,\n * so both events are fired.\n *\n * Finally, downcast dispatcher also handles firing events for the {@link module:engine/model/selection model selection}\n * conversion:\n *\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:selection}\n * &ndash; Converts the selection from the model to the view.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute}\n * &ndash; Fired for every selection attribute.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker}\n * &ndash; Fired for every marker that contains a selection.\n *\n * Unlike the model tree and the markers, the events for selection are not fired for changes but for a selection state.\n *\n * When providing custom listeners for a downcast dispatcher, remember to check whether a given change has not been\n * {@link module:engine/conversion/modelconsumable~ModelConsumable#consume consumed} yet.\n *\n * When providing custom listeners for downcast dispatcher, keep in mind that any callback that has\n * {@link module:engine/conversion/modelconsumable~ModelConsumable#consume consumed} a value from a consumable and\n * converted the change should also stop the event (for efficiency purposes).\n *\n * When providing custom listeners for downcast dispatcher, remember to use the provided\n * {@link module:engine/view/downcastwriter~DowncastWriter view downcast writer} to apply changes to the view document.\n *\n * You can read more about conversion in the following guides:\n *\n * * {@glink framework/guides/deep-dive/conversion/conversion-introduction Advanced conversion concepts &mdash; attributes}\n * * {@glink framework/guides/deep-dive/conversion/conversion-extending-output Extending the editor output }\n * * {@glink framework/guides/deep-dive/conversion/custom-element-conversion Custom element conversion}\n *\n * An example of a custom converter for the downcast dispatcher:\n *\n *\t\t// You will convert inserting a \"paragraph\" model element into the model.\n *\t\tdowncastDispatcher.on( 'insert:paragraph', ( evt, data, conversionApi ) => {\n *\t\t\t// Remember to check whether the change has not been consumed yet and consume it.\n *\t\t\tif ( conversionApi.consumable.consume( data.item, 'insert' ) ) {\n *\t\t\t\treturn;\n *\t\t\t}\n *\n *\t\t\t// Translate the position in the model to a position in the view.\n *\t\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n *\n *\t\t\t// Create a <p> element that will be inserted into the view at the `viewPosition`.\n *\t\t\tconst viewElement = conversionApi.writer.createContainerElement( 'p' );\n *\n *\t\t\t// Bind the newly created view element to the model element so positions will map accordingly in the future.\n *\t\t\tconversionApi.mapper.bindElements( data.item, viewElement );\n *\n *\t\t\t// Add the newly created view element to the view.\n *\t\t\tconversionApi.writer.insert( viewPosition, viewElement );\n *\n *\t\t\t// Remember to stop the event propagation.\n *\t\t\tevt.stop();\n *\t\t} );\n */\nexport default class DowncastDispatcher {\n\t/**\n\t * Creates a downcast dispatcher instance.\n\t *\n\t * @see module:engine/conversion/downcastdispatcher~DowncastConversionApi\n\t * @param {Object} conversionApi Additional properties for an interface that will be passed to events fired\n\t * by the downcast dispatcher.\n\t */\n\tconstructor( conversionApi ) {\n\t\t/**\n\t\t * An interface passed by the dispatcher to the event callbacks.\n\t\t *\n\t\t * @member {module:engine/conversion/downcastdispatcher~DowncastConversionApi}\n\t\t */\n\t\tthis.conversionApi = Object.assign( { dispatcher: this }, conversionApi );\n\n\t\t/**\n\t\t * Maps conversion event names that will trigger element reconversion for a given element name.\n\t\t *\n\t\t * @type {Map<String, String>}\n\t\t * @private\n\t\t */\n\t\tthis._reconversionEventsMapping = new Map();\n\t}\n\n\t/**\n\t * Takes a {@link module:engine/model/differ~Differ model differ} object with buffered changes and fires conversion basing on it.\n\t *\n\t * @param {module:engine/model/differ~Differ} differ The differ object with buffered changes.\n\t * @param {module:engine/model/markercollection~MarkerCollection} markers Markers connected with the converted model.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer The view writer that should be used to modify the view document.\n\t */\n\tconvertChanges( differ, markers, writer ) {\n\t\t// Before the view is updated, remove markers which have changed.\n\t\tfor ( const change of differ.getMarkersToRemove() ) {\n\t\t\tthis.convertMarkerRemove( change.name, change.range, writer );\n\t\t}\n\n\t\tconst changes = this._mapChangesWithAutomaticReconversion( differ );\n\n\t\t// Convert changes that happened on model tree.\n\t\tfor ( const entry of changes ) {\n\t\t\tif ( entry.type === 'insert' ) {\n\t\t\t\tthis.convertInsert( Range._createFromPositionAndShift( entry.position, entry.length ), writer );\n\t\t\t} else if ( entry.type === 'remove' ) {\n\t\t\t\tthis.convertRemove( entry.position, entry.length, entry.name, writer );\n\t\t\t} else if ( entry.type === 'reconvert' ) {\n\t\t\t\tthis.reconvertElement( entry.element, writer );\n\t\t\t} else {\n\t\t\t\t// Defaults to 'attribute' change.\n\t\t\t\tthis.convertAttribute( entry.range, entry.attributeKey, entry.attributeOldValue, entry.attributeNewValue, writer );\n\t\t\t}\n\t\t}\n\n\t\tfor ( const markerName of this.conversionApi.mapper.flushUnboundMarkerNames() ) {\n\t\t\tconst markerRange = markers.get( markerName ).getRange();\n\n\t\t\tthis.convertMarkerRemove( markerName, markerRange, writer );\n\t\t\tthis.convertMarkerAdd( markerName, markerRange, writer );\n\t\t}\n\n\t\t// After the view is updated, convert markers which have changed.\n\t\tfor ( const change of differ.getMarkersToAdd() ) {\n\t\t\tthis.convertMarkerAdd( change.name, change.range, writer );\n\t\t}\n\t}\n\n\t/**\n\t * Starts a conversion of a range insertion.\n\t *\n\t * For each node in the range, {@link #event:insert `insert` event is fired}. For each attribute on each node,\n\t * {@link #event:attribute `attribute` event is fired}.\n\t *\n\t * @fires insert\n\t * @fires attribute\n\t * @param {module:engine/model/range~Range} range The inserted range.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer The view writer that should be used to modify the view document.\n\t */\n\tconvertInsert( range, writer ) {\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// Create a list of things that can be consumed, consisting of nodes and their attributes.\n\t\tthis.conversionApi.consumable = this._createInsertConsumable( range );\n\n\t\t// Fire a separate insert event for each node and text fragment contained in the range.\n\t\tfor ( const data of Array.from( range ).map( walkerValueToEventData ) ) {\n\t\t\tthis._convertInsertWithAttributes( data );\n\t\t}\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Fires conversion of a single node removal. Fires {@link #event:remove remove event} with provided data.\n\t *\n\t * @param {module:engine/model/position~Position} position Position from which node was removed.\n\t * @param {Number} length Offset size of removed node.\n\t * @param {String} name Name of removed node.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify view document.\n\t */\n\tconvertRemove( position, length, name, writer ) {\n\t\tthis.conversionApi.writer = writer;\n\n\t\tthis.fire( 'remove:' + name, { position, length }, this.conversionApi );\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Starts a conversion of an attribute change on a given `range`.\n\t *\n\t * For each node in the given `range`, {@link #event:attribute attribute event} is fired with the passed data.\n\t *\n\t * @fires attribute\n\t * @param {module:engine/model/range~Range} range Changed range.\n\t * @param {String} key Key of the attribute that has changed.\n\t * @param {*} oldValue Attribute value before the change or `null` if the attribute has not been set before.\n\t * @param {*} newValue New attribute value or `null` if the attribute has been removed.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify view document.\n\t */\n\tconvertAttribute( range, key, oldValue, newValue, writer ) {\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// Create a list with attributes to consume.\n\t\tthis.conversionApi.consumable = this._createConsumableForRange( range, `attribute:${ key }` );\n\n\t\t// Create a separate attribute event for each node in the range.\n\t\tfor ( const value of range ) {\n\t\t\tconst item = value.item;\n\t\t\tconst itemRange = Range._createFromPositionAndShift( value.previousPosition, value.length );\n\t\t\tconst data = {\n\t\t\t\titem,\n\t\t\t\trange: itemRange,\n\t\t\t\tattributeKey: key,\n\t\t\t\tattributeOldValue: oldValue,\n\t\t\t\tattributeNewValue: newValue\n\t\t\t};\n\n\t\t\tthis._testAndFire( `attribute:${ key }`, data );\n\t\t}\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Starts the reconversion of an element. It will:\n\t *\n\t * * Fire an {@link #event:insert `insert` event} for the element to reconvert.\n\t * * Fire an {@link #event:attribute `attribute` event} for element attributes.\n\t *\n\t * This will not reconvert children of the element if they have existing (already converted) views. For newly inserted child elements\n\t * it will behave the same as {@link #convertInsert}.\n\t *\n\t * Element reconversion is defined by the `triggerBy` configuration for the\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`} conversion helper.\n\t *\n\t * @fires insert\n\t * @fires attribute\n\t * @param {module:engine/model/element~Element} element The element to be reconverted.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer The view writer that should be used to modify the view document.\n\t */\n\treconvertElement( element, writer ) {\n\t\tconst elementRange = Range._createOn( element );\n\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// Create a list of things that can be consumed, consisting of nodes and their attributes.\n\t\tthis.conversionApi.consumable = this._createInsertConsumable( elementRange );\n\n\t\tconst mapper = this.conversionApi.mapper;\n\t\tconst currentView = mapper.toViewElement( element );\n\n\t\t// Remove the old view but do not remove mapper mappings - those will be used to revive existing elements.\n\t\twriter.remove( currentView );\n\n\t\t// Convert the element - without converting children.\n\t\tthis._convertInsertWithAttributes( {\n\t\t\titem: element,\n\t\t\trange: elementRange\n\t\t} );\n\n\t\tconst convertedViewElement = mapper.toViewElement( element );\n\n\t\t// Iterate over children of reconverted element in order to...\n\t\tfor ( const value of Range._createIn( element ) ) {\n\t\t\tconst { item } = value;\n\n\t\t\tconst view = elementOrTextProxyToView( item, mapper );\n\n\t\t\t// ...either bring back previously converted view...\n\t\t\tif ( view ) {\n\t\t\t\t// Do not move views that are already in converted element - those might be created by the main element converter in case\n\t\t\t\t// when main element converts also its direct children.\n\t\t\t\tif ( view.root !== convertedViewElement.root ) {\n\t\t\t\t\twriter.move(\n\t\t\t\t\t\twriter.createRangeOn( view ),\n\t\t\t\t\t\tmapper.toViewPosition( Position._createBefore( item ) )\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t\t// ... or by converting newly inserted elements.\n\t\t\telse {\n\t\t\t\tthis._convertInsertWithAttributes( walkerValueToEventData( value ) );\n\t\t\t}\n\t\t}\n\n\t\t// After reconversion is done we can unbind the old view.\n\t\tmapper.unbindViewElement( currentView );\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Starts the model selection conversion.\n\t *\n\t * Fires events for a given {@link module:engine/model/selection~Selection selection} to start the selection conversion.\n\t *\n\t * @fires selection\n\t * @fires addMarker\n\t * @fires attribute\n\t * @param {module:engine/model/selection~Selection} selection The selection to convert.\n\t * @param {module:engine/model/markercollection~MarkerCollection} markers Markers connected with the converted model.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify the view document.\n\t */\n\tconvertSelection( selection, markers, writer ) {\n\t\tconst markersAtSelection = Array.from( markers.getMarkersAtPosition( selection.getFirstPosition() ) );\n\n\t\tthis.conversionApi.writer = writer;\n\t\tthis.conversionApi.consumable = this._createSelectionConsumable( selection, markersAtSelection );\n\n\t\tthis.fire( 'selection', { selection }, this.conversionApi );\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const marker of markersAtSelection ) {\n\t\t\tconst markerRange = marker.getRange();\n\n\t\t\tif ( !shouldMarkerChangeBeConverted( selection.getFirstPosition(), marker, this.conversionApi.mapper ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst data = {\n\t\t\t\titem: selection,\n\t\t\t\tmarkerName: marker.name,\n\t\t\t\tmarkerRange\n\t\t\t};\n\n\t\t\tif ( this.conversionApi.consumable.test( selection, 'addMarker:' + marker.name ) ) {\n\t\t\t\tthis.fire( 'addMarker:' + marker.name, data, this.conversionApi );\n\t\t\t}\n\t\t}\n\n\t\tfor ( const key of selection.getAttributeKeys() ) {\n\t\t\tconst data = {\n\t\t\t\titem: selection,\n\t\t\t\trange: selection.getFirstRange(),\n\t\t\t\tattributeKey: key,\n\t\t\t\tattributeOldValue: null,\n\t\t\t\tattributeNewValue: selection.getAttribute( key )\n\t\t\t};\n\n\t\t\t// Do not fire event if the attribute has been consumed.\n\t\t\tif ( this.conversionApi.consumable.test( selection, 'attribute:' + data.attributeKey ) ) {\n\t\t\t\tthis.fire( 'attribute:' + data.attributeKey + ':$text', data, this.conversionApi );\n\t\t\t}\n\t\t}\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Converts the added marker. Fires the {@link #event:addMarker `addMarker`} event for each item\n\t * in the marker's range. If the range is collapsed, a single event is dispatched. See the event description for more details.\n\t *\n\t * @fires addMarker\n\t * @param {String} markerName Marker name.\n\t * @param {module:engine/model/range~Range} markerRange The marker range.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify the view document.\n\t */\n\tconvertMarkerAdd( markerName, markerRange, writer ) {\n\t\t// Do not convert if range is in graveyard or not in the document (e.g. in DocumentFragment).\n\t\tif ( !markerRange.root.document || markerRange.root.rootName == '$graveyard' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// In markers' case, event name == consumable name.\n\t\tconst eventName = 'addMarker:' + markerName;\n\n\t\t//\n\t\t// First, fire an event for the whole marker.\n\t\t//\n\t\tconst consumable = new Consumable();\n\t\tconsumable.add( markerRange, eventName );\n\n\t\tthis.conversionApi.consumable = consumable;\n\n\t\tthis.fire( eventName, { markerName, markerRange }, this.conversionApi );\n\n\t\t//\n\t\t// Do not fire events for each item inside the range if the range got consumed.\n\t\t//\n\t\tif ( !consumable.test( markerRange, eventName ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t//\n\t\t// Then, fire an event for each item inside the marker range.\n\t\t//\n\t\tthis.conversionApi.consumable = this._createConsumableForRange( markerRange, eventName );\n\n\t\tfor ( const item of markerRange.getItems() ) {\n\t\t\t// Do not fire event for already consumed items.\n\t\t\tif ( !this.conversionApi.consumable.test( item, eventName ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst data = { item, range: Range._createOn( item ), markerName, markerRange };\n\n\t\t\tthis.fire( eventName, data, this.conversionApi );\n\t\t}\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Fires the conversion of the marker removal. Fires the {@link #event:removeMarker `removeMarker`} event with the provided data.\n\t *\n\t * @fires removeMarker\n\t * @param {String} markerName Marker name.\n\t * @param {module:engine/model/range~Range} markerRange The marker range.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify the view document.\n\t */\n\tconvertMarkerRemove( markerName, markerRange, writer ) {\n\t\t// Do not convert if range is in graveyard or not in the document (e.g. in DocumentFragment).\n\t\tif ( !markerRange.root.document || markerRange.root.rootName == '$graveyard' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.conversionApi.writer = writer;\n\n\t\tthis.fire( 'removeMarker:' + markerName, { markerName, markerRange }, this.conversionApi );\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Maps the model element \"insert\" reconversion for given event names. The event names must be fully specified:\n\t *\n\t * * For \"attribute\" change event, it should include the main element name, i.e: `'attribute:attributeName:elementName'`.\n\t * * For child node change events, these should use the child event name as well, i.e:\n\t *     * For adding a node: `'insert:childElementName'`.\n\t *     * For removing a node: `'remove:childElementName'`.\n\t *\n\t * **Note**: This method should not be used directly. The reconversion is defined by the `triggerBy()` configuration of the\n\t * `elementToElement()` conversion helper.\n\t *\n\t * @protected\n\t * @param {String} modelName The name of the main model element for which the events will trigger the reconversion.\n\t * @param {String} eventName The name of an event that would trigger conversion for a given model element.\n\t */\n\t_mapReconversionTriggerEvent( modelName, eventName ) {\n\t\tthis._reconversionEventsMapping.set( eventName, modelName );\n\t}\n\n\t/**\n\t * Creates {@link module:engine/conversion/modelconsumable~ModelConsumable} with values to consume from a given range,\n\t * assuming that the range has just been inserted to the model.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range The inserted range.\n\t * @returns {module:engine/conversion/modelconsumable~ModelConsumable} The values to consume.\n\t */\n\t_createInsertConsumable( range ) {\n\t\tconst consumable = new Consumable();\n\n\t\tfor ( const value of range ) {\n\t\t\tconst item = value.item;\n\n\t\t\tconsumable.add( item, 'insert' );\n\n\t\t\tfor ( const key of item.getAttributeKeys() ) {\n\t\t\t\tconsumable.add( item, 'attribute:' + key );\n\t\t\t}\n\t\t}\n\n\t\treturn consumable;\n\t}\n\n\t/**\n\t * Creates {@link module:engine/conversion/modelconsumable~ModelConsumable} with values to consume for a given range.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range The affected range.\n\t * @param {String} type Consumable type.\n\t * @returns {module:engine/conversion/modelconsumable~ModelConsumable} The values to consume.\n\t */\n\t_createConsumableForRange( range, type ) {\n\t\tconst consumable = new Consumable();\n\n\t\tfor ( const item of range.getItems() ) {\n\t\t\tconsumable.add( item, type );\n\t\t}\n\n\t\treturn consumable;\n\t}\n\n\t/**\n\t * Creates {@link module:engine/conversion/modelconsumable~ModelConsumable} with selection consumable values.\n\t *\n\t * @private\n\t * @param {module:engine/model/selection~Selection} selection The selection to create the consumable from.\n\t * @param {Iterable.<module:engine/model/markercollection~Marker>} markers Markers that contain the selection.\n\t * @returns {module:engine/conversion/modelconsumable~ModelConsumable} The values to consume.\n\t */\n\t_createSelectionConsumable( selection, markers ) {\n\t\tconst consumable = new Consumable();\n\n\t\tconsumable.add( selection, 'selection' );\n\n\t\tfor ( const marker of markers ) {\n\t\t\tconsumable.add( selection, 'addMarker:' + marker.name );\n\t\t}\n\n\t\tfor ( const key of selection.getAttributeKeys() ) {\n\t\t\tconsumable.add( selection, 'attribute:' + key );\n\t\t}\n\n\t\treturn consumable;\n\t}\n\n\t/**\n\t * Tests passed `consumable` to check whether given event can be fired and if so, fires it.\n\t *\n\t * @private\n\t * @fires insert\n\t * @fires attribute\n\t * @param {String} type Event type.\n\t * @param {Object} data Event data.\n\t */\n\t_testAndFire( type, data ) {\n\t\tif ( !this.conversionApi.consumable.test( data.item, type ) ) {\n\t\t\t// Do not fire event if the item was consumed.\n\t\t\treturn;\n\t\t}\n\n\t\tthis.fire( getEventName( type, data ), data, this.conversionApi );\n\t}\n\n\t/**\n\t * Clears the conversion API object.\n\t *\n\t * @private\n\t */\n\t_clearConversionApi() {\n\t\tdelete this.conversionApi.writer;\n\t\tdelete this.conversionApi.consumable;\n\t}\n\n\t/**\n\t * Internal method for converting element insertion. It will fire events for the inserted element and events for its attributes.\n\t *\n\t * @private\n\t * @fires insert\n\t * @fires attribute\n\t * @param {Object} data Event data.\n\t */\n\t_convertInsertWithAttributes( data ) {\n\t\tthis._testAndFire( 'insert', data );\n\n\t\t// Fire a separate addAttribute event for each attribute that was set on inserted items.\n\t\t// This is important because most attributes converters will listen only to add/change/removeAttribute events.\n\t\t// If we would not add this part, attributes on inserted nodes would not be converted.\n\t\tfor ( const key of data.item.getAttributeKeys() ) {\n\t\t\tdata.attributeKey = key;\n\t\t\tdata.attributeOldValue = null;\n\t\t\tdata.attributeNewValue = data.item.getAttribute( key );\n\n\t\t\tthis._testAndFire( `attribute:${ key }`, data );\n\t\t}\n\t}\n\n\t/**\n\t * Returns differ changes together with added \"reconvert\" type changes for {@link #reconvertElement}. These are defined by\n\t * a the `triggerBy()` configuration for the\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`} conversion helper.\n\t *\n\t * This method will remove every mapped insert or remove change with a single \"reconvert\" change.\n\t *\n\t * For instance: Having a `triggerBy()` configuration defined for the `<complex>` element that issues this element reconversion on\n\t * `foo` and `bar` attributes change, and a set of changes for this element:\n\t *\n\t *\t\tconst differChanges = [\n\t *\t\t\t{ type: 'attribute', attributeKey: 'foo', ... },\n\t *\t\t\t{ type: 'attribute', attributeKey: 'bar', ... },\n\t *\t\t\t{ type: 'attribute', attributeKey: 'baz', ... }\n\t *\t\t];\n\t *\n\t * This method will return:\n\t *\n\t *\t\tconst updatedChanges = [\n\t *\t\t\t{ type: 'reconvert', element: complexElementInstance },\n\t *\t\t\t{ type: 'attribute', attributeKey: 'baz', ... }\n\t *\t\t];\n\t *\n\t * In the example above, the `'baz'` attribute change will fire an {@link #event:attribute attribute event}\n\t *\n\t * @param {module:engine/model/differ~Differ} differ The differ object with buffered changes.\n\t * @returns {Array.<Object>} Updated set of changes.\n\t * @private\n\t */\n\t_mapChangesWithAutomaticReconversion( differ ) {\n\t\tconst itemsToReconvert = new Set();\n\t\tconst updated = [];\n\n\t\tfor ( const entry of differ.getChanges() ) {\n\t\t\tconst position = entry.position || entry.range.start;\n\t\t\t// Cached parent - just in case. See https://github.com/ckeditor/ckeditor5/issues/6579.\n\t\t\tconst positionParent = position.parent;\n\t\t\tconst textNode = getTextNodeAtPosition( position, positionParent );\n\n\t\t\t// Reconversion is done only on elements so skip text changes.\n\t\t\tif ( textNode ) {\n\t\t\t\tupdated.push( entry );\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst element = entry.type === 'attribute' ? getNodeAfterPosition( position, positionParent, null ) : positionParent;\n\n\t\t\t// Case of text node set directly in root. For now used only in tests but can be possible when enabled in paragraph-like roots.\n\t\t\t// See: https://github.com/ckeditor/ckeditor5/issues/762.\n\t\t\tif ( element.is( '$text' ) ) {\n\t\t\t\tupdated.push( entry );\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tlet eventName;\n\n\t\t\tif ( entry.type === 'attribute' ) {\n\t\t\t\teventName = `attribute:${ entry.attributeKey }:${ element.name }`;\n\t\t\t} else {\n\t\t\t\teventName = `${ entry.type }:${ entry.name }`;\n\t\t\t}\n\n\t\t\tif ( this._isReconvertTriggerEvent( eventName, element.name ) ) {\n\t\t\t\tif ( itemsToReconvert.has( element ) ) {\n\t\t\t\t\t// Element is already reconverted, so skip this change.\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\titemsToReconvert.add( element );\n\n\t\t\t\t// Add special \"reconvert\" change.\n\t\t\t\tupdated.push( { type: 'reconvert', element } );\n\t\t\t} else {\n\t\t\t\tupdated.push( entry );\n\t\t\t}\n\t\t}\n\n\t\treturn updated;\n\t}\n\n\t/**\n\t * Checks if the resulting change should trigger element reconversion.\n\t *\n\t * These are defined by a `triggerBy()` configuration for the\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`} conversion helper.\n\t *\n\t * @private\n\t * @param {String} eventName The event name to check.\n\t * @param {String} elementName The element name to check.\n\t * @returns {Boolean}\n\t */\n\t_isReconvertTriggerEvent( eventName, elementName ) {\n\t\treturn this._reconversionEventsMapping.get( eventName ) === elementName;\n\t}\n\n\t/**\n\t * Fired for inserted nodes.\n\t *\n\t * `insert` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `insert:name`. `name` is either `'$text'`, when {@link module:engine/model/text~Text a text node} has been inserted,\n\t * or {@link module:engine/model/element~Element#name name} of inserted element.\n\t *\n\t * This way listeners can either listen to a general `insert` event or specific event (for example `insert:paragraph`).\n\t *\n\t * @event insert\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/item~Item} data.item Inserted item.\n\t * @param {module:engine/model/range~Range} data.range Range spanning over inserted item.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired for removed nodes.\n\t *\n\t * `remove` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `remove:name`. `name` is either `'$text'`, when {@link module:engine/model/text~Text a text node} has been removed,\n\t * or the {@link module:engine/model/element~Element#name name} of removed element.\n\t *\n\t * This way listeners can either listen to a general `remove` event or specific event (for example `remove:paragraph`).\n\t *\n\t * @event remove\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/position~Position} data.position Position from which the node has been removed.\n\t * @param {Number} data.length Offset size of the removed node.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired in the following cases:\n\t *\n\t * * when an attribute has been added, changed, or removed from a node,\n\t * * when a node with an attribute is inserted,\n\t * * when collapsed model selection attribute is converted.\n\t *\n\t * `attribute` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `attribute:attributeKey:name`. `attributeKey` is the key of added/changed/removed attribute.\n\t * `name` is either `'$text'` if change was on {@link module:engine/model/text~Text a text node},\n\t * or the {@link module:engine/model/element~Element#name name} of element which attribute has changed.\n\t *\n\t * This way listeners can either listen to a general `attribute:bold` event or specific event (for example `attribute:src:image`).\n\t *\n\t * @event attribute\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/item~Item|module:engine/model/documentselection~DocumentSelection} data.item Changed item\n\t * or converted selection.\n\t * @param {module:engine/model/range~Range} data.range Range spanning over changed item or selection range.\n\t * @param {String} data.attributeKey Attribute key.\n\t * @param {*} data.attributeOldValue Attribute value before the change. This is `null` when selection attribute is converted.\n\t * @param {*} data.attributeNewValue New attribute value.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired for {@link module:engine/model/selection~Selection selection} changes.\n\t *\n\t * @event selection\n\t * @param {module:engine/model/selection~Selection} selection Selection that is converted.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired when a new marker is added to the model. Also fired when a collapsed model selection that is inside a marker is converted.\n\t *\n\t * `addMarker` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `addMarker:markerName`. By specifying certain marker names, you can make the events even more gradual. For example,\n\t * if markers are named `foo:abc`, `foo:bar`, then it is possible to listen to `addMarker:foo` or `addMarker:foo:abc` and\n\t * `addMarker:foo:bar` events.\n\t *\n\t * If the marker range is not collapsed:\n\t *\n\t * * the event is fired for each item in the marker range one by one,\n\t * * `conversionApi.consumable` includes each item of the marker range and the consumable value is same as the event name.\n\t *\n\t * If the marker range is collapsed:\n\t *\n\t * * there is only one event,\n\t * * `conversionApi.consumable` includes marker range with the event name.\n\t *\n\t * If the selection inside a marker is converted:\n\t *\n\t * * there is only one event,\n\t * * `conversionApi.consumable` includes the selection instance with the event name.\n\t *\n\t * @event addMarker\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection} data.item Item inside the new marker or\n\t * the selection that is being converted.\n\t * @param {module:engine/model/range~Range} [data.range] Range spanning over converted item. Available only in marker conversion, if\n\t * the marker range was not collapsed.\n\t * @param {module:engine/model/range~Range} data.markerRange Marker range.\n\t * @param {String} data.markerName Marker name.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired when a marker is removed from the model.\n\t *\n\t * `removeMarker` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `removeMarker:markerName`. By specifying certain marker names, you can make the events even more gradual. For example,\n\t * if markers are named `foo:abc`, `foo:bar`, then it is possible to listen to `removeMarker:foo` or `removeMarker:foo:abc` and\n\t * `removeMarker:foo:bar` events.\n\t *\n\t * @event removeMarker\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/range~Range} data.markerRange Marker range.\n\t * @param {String} data.markerName Marker name.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n}\n\nmix( DowncastDispatcher, EmitterMixin );\n\n// Helper function, checks whether change of `marker` at `modelPosition` should be converted. Marker changes are not\n// converted if they happen inside an element with custom conversion method.\n//\n// @param {module:engine/model/position~Position} modelPosition\n// @param {module:engine/model/markercollection~Marker} marker\n// @param {module:engine/conversion/mapper~Mapper} mapper\n// @returns {Boolean}\nfunction shouldMarkerChangeBeConverted( modelPosition, marker, mapper ) {\n\tconst range = marker.getRange();\n\tconst ancestors = Array.from( modelPosition.getAncestors() );\n\tancestors.shift(); // Remove root element. It cannot be passed to `model.Range#containsItem`.\n\tancestors.reverse();\n\n\tconst hasCustomHandling = ancestors.some( element => {\n\t\tif ( range.containsItem( element ) ) {\n\t\t\tconst viewElement = mapper.toViewElement( element );\n\n\t\t\treturn !!viewElement.getCustomProperty( 'addHighlight' );\n\t\t}\n\t} );\n\n\treturn !hasCustomHandling;\n}\n\nfunction getEventName( type, data ) {\n\tconst name = data.item.name || '$text';\n\n\treturn `${ type }:${ name }`;\n}\n\nfunction walkerValueToEventData( value ) {\n\tconst item = value.item;\n\tconst itemRange = Range._createFromPositionAndShift( value.previousPosition, value.length );\n\n\treturn {\n\t\titem,\n\t\trange: itemRange\n\t};\n}\n\nfunction elementOrTextProxyToView( item, mapper ) {\n\tif ( item.is( 'textProxy' ) ) {\n\t\tconst mappedPosition = mapper.toViewPosition( Position._createBefore( item ) );\n\t\tconst positionParent = mappedPosition.parent;\n\n\t\treturn positionParent.is( '$text' ) ? positionParent : null;\n\t}\n\n\treturn mapper.toViewElement( item );\n}\n\n/**\n * Conversion interface that is registered for given {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}\n * and is passed as one of parameters when {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher dispatcher}\n * fires its events.\n *\n * @interface module:engine/conversion/downcastdispatcher~DowncastConversionApi\n */\n\n/**\n * The {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher} instance.\n *\n * @member {module:engine/conversion/downcastdispatcher~DowncastDispatcher} #dispatcher\n */\n\n/**\n * Stores the information about what parts of a processed model item are still waiting to be handled. After a piece of a model item was\n * converted, an appropriate consumable value should be {@link module:engine/conversion/modelconsumable~ModelConsumable#consume consumed}.\n *\n * @member {module:engine/conversion/modelconsumable~ModelConsumable} #consumable\n */\n\n/**\n * The {@link module:engine/conversion/mapper~Mapper} instance.\n *\n * @member {module:engine/conversion/mapper~Mapper} #mapper\n */\n\n/**\n * The {@link module:engine/model/schema~Schema} instance set for the model that is downcast.\n *\n * @member {module:engine/model/schema~Schema} #schema\n */\n\n/**\n * The {@link module:engine/view/downcastwriter~DowncastWriter} instance used to manipulate the data during conversion.\n *\n * @member {module:engine/view/downcastwriter~DowncastWriter} #writer\n */\n\n/**\n * An object with an additional configuration which can be used during the conversion process. Available only for data downcast conversion.\n *\n * @member {Object} #options\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/selection\n */\n\nimport Position from './position';\nimport Node from './node';\nimport Range from './range';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\n\n/**\n * Selection is a set of {@link module:engine/model/range~Range ranges}. It has a direction specified by its\n * {@link module:engine/model/selection~Selection#anchor anchor} and {@link module:engine/model/selection~Selection#focus focus}\n * (it can be {@link module:engine/model/selection~Selection#isBackward forward or backward}).\n * Additionally, selection may have its own attributes (think – whether text typed in in this selection\n * should have those attributes – e.g. whether you type a bolded text).\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Selection {\n\t/**\n\t * Creates a new selection instance based on the given {@link module:engine/model/selection~Selectable selectable}\n\t * or creates an empty selection if no arguments were passed.\n\t *\n\t *\t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t *\t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the given document selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst documentSelection = model.document.selection;\n\t *\t\tconst selection = writer.createSelection( documentSelection );\n\t *\n\t *\t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates selection at the given offset in the given element.\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/model/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/model/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t * Selection's constructor allow passing additional options (`'backward'`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t */\n\tconstructor( selectable, placeOrOffset, options ) {\n\t\t/**\n\t\t * Specifies whether the last added range was added as a backward or forward range.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._lastRangeBackward = false;\n\n\t\t/**\n\t\t * Stores selection ranges.\n\t\t *\n\t\t * @protected\n\t\t * @type {Array.<module:engine/model/range~Range>}\n\t\t */\n\t\tthis._ranges = [];\n\n\t\t/**\n\t\t * List of attributes set on current selection.\n\t\t *\n\t\t * @protected\n\t\t * @type {Map.<String,*>}\n\t\t */\n\t\tthis._attrs = new Map();\n\n\t\tif ( selectable ) {\n\t\t\tthis.setTo( selectable, placeOrOffset, options );\n\t\t}\n\t}\n\n\t/**\n\t * Selection anchor. Anchor is the position from which the selection was started. If a user is making a selection\n\t * by dragging the mouse, the anchor is where the user pressed the mouse button (the beginning of the selection).\n\t *\n\t * Anchor and {@link #focus} define the direction of the selection, which is important\n\t * when expanding/shrinking selection. The focus moves, while the anchor should remain in the same place.\n\t *\n\t * Anchor is always set to the {@link module:engine/model/range~Range#start start} or\n\t * {@link module:engine/model/range~Range#end end} position of the last of selection's ranges. Whether it is\n\t * the `start` or `end` depends on the specified `options.backward`. See the {@link #setTo `setTo()`} method.\n\t *\n\t * May be set to `null` if there are no ranges in the selection.\n\t *\n\t * @see #focus\n\t * @readonly\n\t * @type {module:engine/model/position~Position|null}\n\t */\n\tget anchor() {\n\t\tif ( this._ranges.length > 0 ) {\n\t\t\tconst range = this._ranges[ this._ranges.length - 1 ];\n\n\t\t\treturn this._lastRangeBackward ? range.end : range.start;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Selection focus. Focus is the position where the selection ends. If a user is making a selection\n\t * by dragging the mouse, the focus is where the mouse cursor is.\n\t *\n\t * May be set to `null` if there are no ranges in the selection.\n\t *\n\t * @see #anchor\n\t * @readonly\n\t * @type {module:engine/model/position~Position|null}\n\t */\n\tget focus() {\n\t\tif ( this._ranges.length > 0 ) {\n\t\t\tconst range = this._ranges[ this._ranges.length - 1 ];\n\n\t\t\treturn this._lastRangeBackward ? range.start : range.end;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Whether the selection is collapsed. Selection is collapsed when there is exactly one range in it\n\t * and it is collapsed.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\tconst length = this._ranges.length;\n\n\t\tif ( length === 1 ) {\n\t\t\treturn this._ranges[ 0 ].isCollapsed;\n\t\t} else {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t/**\n\t * Returns the number of ranges in the selection.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget rangeCount() {\n\t\treturn this._ranges.length;\n\t}\n\n\t/**\n\t * Specifies whether the selection's {@link #focus} precedes the selection's {@link #anchor}.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isBackward() {\n\t\treturn !this.isCollapsed && this._lastRangeBackward;\n\t}\n\n\t/**\n\t * Checks whether this selection is equal to the given selection. Selections are equal if they have the same directions,\n\t * the same number of ranges and all ranges from one selection equal to ranges from the another selection.\n\t *\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are equal, `false` otherwise.\n\t */\n\tisEqual( otherSelection ) {\n\t\tif ( this.rangeCount != otherSelection.rangeCount ) {\n\t\t\treturn false;\n\t\t} else if ( this.rangeCount === 0 ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif ( !this.anchor.isEqual( otherSelection.anchor ) || !this.focus.isEqual( otherSelection.focus ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tfor ( const thisRange of this._ranges ) {\n\t\t\tlet found = false;\n\n\t\t\tfor ( const otherRange of otherSelection._ranges ) {\n\t\t\t\tif ( thisRange.isEqual( otherRange ) ) {\n\t\t\t\t\tfound = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( !found ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns an iterable object that iterates over copies of selection ranges.\n\t *\n\t * @returns {Iterable.<module:engine/model/range~Range>}\n\t */\n\t* getRanges() {\n\t\tfor ( const range of this._ranges ) {\n\t\t\tyield new Range( range.start, range.end );\n\t\t}\n\t}\n\n\t/**\n\t * Returns a copy of the first range in the selection.\n\t * First range is the one which {@link module:engine/model/range~Range#start start} position\n\t * {@link module:engine/model/position~Position#isBefore is before} start position of all other ranges\n\t * (not to confuse with the first range added to the selection).\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetFirstRange() {\n\t\tlet first = null;\n\n\t\tfor ( const range of this._ranges ) {\n\t\t\tif ( !first || range.start.isBefore( first.start ) ) {\n\t\t\t\tfirst = range;\n\t\t\t}\n\t\t}\n\n\t\treturn first ? new Range( first.start, first.end ) : null;\n\t}\n\n\t/**\n\t * Returns a copy of the last range in the selection.\n\t * Last range is the one which {@link module:engine/model/range~Range#end end} position\n\t * {@link module:engine/model/position~Position#isAfter is after} end position of all other ranges (not to confuse with the range most\n\t * recently added to the selection).\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetLastRange() {\n\t\tlet last = null;\n\n\t\tfor ( const range of this._ranges ) {\n\t\t\tif ( !last || range.end.isAfter( last.end ) ) {\n\t\t\t\tlast = range;\n\t\t\t}\n\t\t}\n\n\t\treturn last ? new Range( last.start, last.end ) : null;\n\t}\n\n\t/**\n\t * Returns the first position in the selection.\n\t * First position is the position that {@link module:engine/model/position~Position#isBefore is before}\n\t * any other position in the selection.\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/position~Position|null}\n\t */\n\tgetFirstPosition() {\n\t\tconst first = this.getFirstRange();\n\n\t\treturn first ? first.start.clone() : null;\n\t}\n\n\t/**\n\t * Returns the last position in the selection.\n\t * Last position is the position that {@link module:engine/model/position~Position#isAfter is after}\n\t * any other position in the selection.\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/position~Position|null}\n\t */\n\tgetLastPosition() {\n\t\tconst lastRange = this.getLastRange();\n\n\t\treturn lastRange ? lastRange.end.clone() : null;\n\t}\n\n\t/**\n\t * Sets this selection's ranges and direction to the specified location based on the given\n\t * {@link module:engine/model/selection~Selectable selectable}.\n\t *\n\t *\t\t// Removes all selection's ranges.\n\t *\t\tselection.setTo( null );\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tselection.setTo( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t *\t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tselection.setTo( ranges );\n\t *\n\t *\t\t// Sets selection to other selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tselection.setTo( otherSelection );\n\t *\n\t *\t\t// Sets selection to the given document selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst documentSelection = new DocumentSelection( doc );\n\t *\t\tselection.setTo( documentSelection );\n\t *\n\t *\t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tselection.setTo( position );\n\t *\n\t *\t\t// Sets collapsed selection at the position of the given node and an offset.\n\t *\t\tselection.setTo( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/model/element~Element element} which starts before the first child of\n \t * that element and ends after the last child of that element.\n\t *\n\t *\t\tselection.setTo( paragraph, 'in' );\n\t *\n\t * Creates a range on an {@link module:engine/model/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\tselection.setTo( paragraph, 'on' );\n\t *\n\t * `Selection#setTo()`' method allow passing additional options (`backward`) as the last argument.\n\t *\n\t *\t\t// Sets backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t */\n\tsetTo( selectable, placeOrOffset, options ) {\n\t\tif ( selectable === null ) {\n\t\t\tthis._setRanges( [] );\n\t\t} else if ( selectable instanceof Selection ) {\n\t\t\tthis._setRanges( selectable.getRanges(), selectable.isBackward );\n\t\t} else if ( selectable && typeof selectable.getRanges == 'function' ) {\n\t\t\t// We assume that the selectable is a DocumentSelection.\n\t\t\t// It can't be imported here, because it would lead to circular imports.\n\t\t\tthis._setRanges( selectable.getRanges(), selectable.isBackward );\n\t\t} else if ( selectable instanceof Range ) {\n\t\t\tthis._setRanges( [ selectable ], !!placeOrOffset && !!placeOrOffset.backward );\n\t\t} else if ( selectable instanceof Position ) {\n\t\t\tthis._setRanges( [ new Range( selectable ) ] );\n\t\t} else if ( selectable instanceof Node ) {\n\t\t\tconst backward = !!options && !!options.backward;\n\t\t\tlet range;\n\n\t\t\tif ( placeOrOffset == 'in' ) {\n\t\t\t\trange = Range._createIn( selectable );\n\t\t\t} else if ( placeOrOffset == 'on' ) {\n\t\t\t\trange = Range._createOn( selectable );\n\t\t\t} else if ( placeOrOffset !== undefined ) {\n\t\t\t\trange = new Range( Position._createAt( selectable, placeOrOffset ) );\n\t\t\t} else {\n\t\t\t\t/**\n\t\t\t\t * selection.setTo requires the second parameter when the first parameter is a node.\n\t\t\t\t *\n\t\t\t\t * @error model-selection-setto-required-second-parameter\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-selection-setto-required-second-parameter', [ this, selectable ] );\n\t\t\t}\n\n\t\t\tthis._setRanges( [ range ], backward );\n\t\t} else if ( isIterable( selectable ) ) {\n\t\t\t// We assume that the selectable is an iterable of ranges.\n\t\t\tthis._setRanges( selectable, placeOrOffset && !!placeOrOffset.backward );\n\t\t} else {\n\t\t\t/**\n\t\t\t * Cannot set the selection to the given place.\n\t\t\t *\n\t\t\t * Invalid parameters were specified when setting the selection. Common issues:\n\t\t\t *\n\t\t\t * * A {@link module:engine/model/textproxy~TextProxy} instance was passed instead of\n\t\t\t * a real {@link module:engine/model/text~Text}.\n\t\t\t * * View nodes were passed instead of model nodes.\n\t\t\t * * `null`/`undefined` was passed.\n\t\t\t *\n\t\t\t * @error model-selection-setto-not-selectable\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-selection-setto-not-selectable', [ this, selectable ] );\n\t\t}\n\t}\n\n\t/**\n\t * Replaces all ranges that were added to the selection with given array of ranges. Last range of the array\n\t * is treated like the last added range and is used to set {@link module:engine/model/selection~Selection#anchor} and\n\t * {@link module:engine/model/selection~Selection#focus}. Accepts a flag describing in which direction the selection is made.\n\t *\n\t * @protected\n\t * @fires change:range\n\t * @param {Iterable.<module:engine/model/range~Range>} newRanges Ranges to set.\n\t * @param {Boolean} [isLastBackward=false] Flag describing if last added range was selected forward - from start to end (`false`)\n\t * or backward - from end to start (`true`).\n\t */\n\t_setRanges( newRanges, isLastBackward = false ) {\n\t\tnewRanges = Array.from( newRanges );\n\n\t\t// Check whether there is any range in new ranges set that is different than all already added ranges.\n\t\tconst anyNewRange = newRanges.some( newRange => {\n\t\t\tif ( !( newRange instanceof Range ) ) {\n\t\t\t\t/**\n\t\t\t\t * Selection range set to an object that is not an instance of {@link module:engine/model/range~Range}.\n\t\t\t\t *\n\t\t\t\t * Only {@link module:engine/model/range~Range} instances can be used to set a selection.\n\t\t\t\t * Common mistakes leading to this error are:\n\t\t\t\t *\n\t\t\t\t * * using DOM `Range` object,\n\t\t\t\t * * incorrect CKEditor 5 installation with multiple `ckeditor5-engine` packages having different versions.\n\t\t\t\t *\n\t\t\t\t * @error model-selection-set-ranges-not-range\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'model-selection-set-ranges-not-range',\n\t\t\t\t\t[ this, newRanges ]\n\t\t\t\t);\n\t\t\t}\n\n\t\t\treturn this._ranges.every( oldRange => {\n\t\t\t\treturn !oldRange.isEqual( newRange );\n\t\t\t} );\n\t\t} );\n\n\t\t// Don't do anything if nothing changed.\n\t\tif ( newRanges.length === this._ranges.length && !anyNewRange ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._removeAllRanges();\n\n\t\tfor ( const range of newRanges ) {\n\t\t\tthis._pushRange( range );\n\t\t}\n\n\t\tthis._lastRangeBackward = !!isLastBackward;\n\n\t\tthis.fire( 'change:range', { directChange: true } );\n\t}\n\n\t/**\n\t * Moves {@link module:engine/model/selection~Selection#focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as\n\t * {@link module:engine/model/writer~Writer#createPositionAt writer.createPositionAt()} parameters.\n\t *\n\t * @fires change:range\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tsetFocus( itemOrPosition, offset ) {\n\t\tif ( this.anchor === null ) {\n\t\t\t/**\n\t\t\t * Cannot set selection focus if there are no ranges in selection.\n\t\t\t *\n\t\t\t * @error model-selection-setfocus-no-ranges\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-selection-setfocus-no-ranges', [ this, itemOrPosition ] );\n\t\t}\n\n\t\tconst newFocus = Position._createAt( itemOrPosition, offset );\n\n\t\tif ( newFocus.compareWith( this.focus ) == 'same' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst anchor = this.anchor;\n\n\t\tif ( this._ranges.length ) {\n\t\t\tthis._popRange();\n\t\t}\n\n\t\tif ( newFocus.compareWith( anchor ) == 'before' ) {\n\t\t\tthis._pushRange( new Range( newFocus, anchor ) );\n\t\t\tthis._lastRangeBackward = true;\n\t\t} else {\n\t\t\tthis._pushRange( new Range( anchor, newFocus ) );\n\t\t\tthis._lastRangeBackward = false;\n\t\t}\n\n\t\tthis.fire( 'change:range', { directChange: true } );\n\t}\n\n\t/**\n\t * Gets an attribute value for given key or `undefined` if that attribute is not set on the selection.\n\t *\n\t * @param {String} key Key of attribute to look for.\n\t * @returns {*} Attribute value or `undefined`.\n\t */\n\tgetAttribute( key ) {\n\t\treturn this._attrs.get( key );\n\t}\n\n\t/**\n\t * Returns iterable that iterates over this selection's attributes.\n\t *\n\t * Attributes are returned as arrays containing two items. First one is attribute key and second is attribute value.\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\tgetAttributes() {\n\t\treturn this._attrs.entries();\n\t}\n\n\t/**\n\t * Returns iterable that iterates over this selection's attribute keys.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetAttributeKeys() {\n\t\treturn this._attrs.keys();\n\t}\n\n\t/**\n\t * Checks if the selection has an attribute for given key.\n\t *\n\t * @param {String} key Key of attribute to check.\n\t * @returns {Boolean} `true` if attribute with given key is set on selection, `false` otherwise.\n\t */\n\thasAttribute( key ) {\n\t\treturn this._attrs.has( key );\n\t}\n\n\t/**\n\t * Removes an attribute with given key from the selection.\n\t *\n\t * If given attribute was set on the selection, fires the {@link #event:change:range} event with\n\t * removed attribute key.\n\t *\n\t * @fires change:attribute\n\t * @param {String} key Key of attribute to remove.\n\t */\n\tremoveAttribute( key ) {\n\t\tif ( this.hasAttribute( key ) ) {\n\t\t\tthis._attrs.delete( key );\n\n\t\t\tthis.fire( 'change:attribute', { attributeKeys: [ key ], directChange: true } );\n\t\t}\n\t}\n\n\t/**\n\t * Sets attribute on the selection. If attribute with the same key already is set, it's value is overwritten.\n\t *\n\t * If the attribute value has changed, fires the {@link #event:change:range} event with\n\t * the attribute key.\n\t *\n\t * @fires change:attribute\n\t * @param {String} key Key of attribute to set.\n\t * @param {*} value Attribute value.\n\t */\n\tsetAttribute( key, value ) {\n\t\tif ( this.getAttribute( key ) !== value ) {\n\t\t\tthis._attrs.set( key, value );\n\n\t\t\tthis.fire( 'change:attribute', { attributeKeys: [ key ], directChange: true } );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the selected element. {@link module:engine/model/element~Element Element} is considered as selected if there is only\n\t * one range in the selection, and that range contains exactly one element.\n\t * Returns `null` if there is no selected element.\n\t *\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tgetSelectedElement() {\n\t\tif ( this.rangeCount !== 1 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.getFirstRange().getContainedElement();\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tselection.is( 'selection' ); // -> true\n\t *\t\tselection.is( 'model:selection' ); // -> true\n\t *\n\t *\t\tselection.is( 'view:selection' ); // -> false\n\t *\t\tselection.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'selection' || type === 'model:selection';\n\t}\n\n\t/**\n\t * Gets elements of type {@link module:engine/model/schema~Schema#isBlock \"block\"} touched by the selection.\n\t *\n\t * This method's result can be used for example to apply block styling to all blocks covered by this selection.\n\t *\n\t * **Note:** `getSelectedBlocks()` returns blocks that are nested in other non-block elements\n\t * but will not return blocks nested in other blocks.\n\t *\n\t * In this case the function will return exactly all 3 paragraphs (note: `<blockQuote>` is not a block itself):\n\t *\n\t *\t\t<paragraph>[a</paragraph>\n\t *\t\t<blockQuote>\n\t *\t\t\t<paragraph>b</paragraph>\n\t *\t\t</blockQuote>\n\t *\t\t<paragraph>c]d</paragraph>\n\t *\n\t * In this case the paragraph will also be returned, despite the collapsed selection:\n\t *\n\t *\t\t<paragraph>[]a</paragraph>\n\t *\n\t * In such a scenario, however, only blocks A, B & E will be returned as blocks C & D are nested in block B:\n\t *\n\t *\t\t[<blockA></blockA>\n\t *\t\t<blockB>\n\t *\t\t\t<blockC></blockC>\n\t *\t\t\t<blockD></blockD>\n\t *\t\t</blockB>\n\t *\t\t<blockE></blockE>]\n\t *\n\t * If the selection is inside a block all the inner blocks (A & B) are returned:\n\t *\n\t * \t\t<block>\n\t *\t\t\t<blockA>[a</blockA>\n\t * \t\t\t<blockB>b]</blockB>\n\t * \t\t</block>\n\t *\n\t * **Special case**: If a selection ends at the beginning of a block, that block is not returned as from user perspective\n\t * this block wasn't selected. See [#984](https://github.com/ckeditor/ckeditor5-engine/issues/984) for more details.\n\t *\n\t *\t\t<paragraph>[a</paragraph>\n\t *\t\t<paragraph>b</paragraph>\n\t *\t\t<paragraph>]c</paragraph> // this block will not be returned\n\t *\n\t * @returns {Iterable.<module:engine/model/element~Element>}\n\t */\n\t* getSelectedBlocks() {\n\t\tconst visited = new WeakSet();\n\n\t\tfor ( const range of this.getRanges() ) {\n\t\t\t// Get start block of range in case of a collapsed range.\n\t\t\tconst startBlock = getParentBlock( range.start, visited );\n\n\t\t\tif ( startBlock && isTopBlockInRange( startBlock, range ) ) {\n\t\t\t\tyield startBlock;\n\t\t\t}\n\n\t\t\tfor ( const value of range.getWalker() ) {\n\t\t\t\tconst block = value.item;\n\n\t\t\t\tif ( value.type == 'elementEnd' && isUnvisitedTopBlock( block, visited, range ) ) {\n\t\t\t\t\tyield block;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst endBlock = getParentBlock( range.end, visited );\n\n\t\t\t// #984. Don't return the end block if the range ends right at its beginning.\n\t\t\tif ( endBlock && !range.end.isTouching( Position._createAt( endBlock, 0 ) ) && isTopBlockInRange( endBlock, range ) ) {\n\t\t\t\tyield endBlock;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether the selection contains the entire content of the given element. This means that selection must start\n\t * at a position {@link module:engine/model/position~Position#isTouching touching} the element's start and ends at position\n\t * touching the element's end.\n\t *\n\t * By default, this method will check whether the entire content of the selection's current root is selected.\n\t * Useful to check if e.g. the user has just pressed <kbd>Ctrl</kbd> + <kbd>A</kbd>.\n\t *\n\t * @param {module:engine/model/element~Element} [element=this.anchor.root]\n\t * @returns {Boolean}\n\t */\n\tcontainsEntireContent( element = this.anchor.root ) {\n\t\tconst limitStartPosition = Position._createAt( element, 0 );\n\t\tconst limitEndPosition = Position._createAt( element, 'end' );\n\n\t\treturn limitStartPosition.isTouching( this.getFirstPosition() ) &&\n\t\t\tlimitEndPosition.isTouching( this.getLastPosition() );\n\t}\n\n\t/**\n\t * Adds given range to internal {@link #_ranges ranges array}. Throws an error\n\t * if given range is intersecting with any range that is already stored in this selection.\n\t *\n\t * @protected\n\t * @param {module:engine/model/range~Range} range Range to add.\n\t */\n\t_pushRange( range ) {\n\t\tthis._checkRange( range );\n\t\tthis._ranges.push( new Range( range.start, range.end ) );\n\t}\n\n\t/**\n\t * Checks if given range intersects with ranges that are already in the selection. Throws an error if it does.\n\t *\n\t * @protected\n\t * @param {module:engine/model/range~Range} range Range to check.\n\t */\n\t_checkRange( range ) {\n\t\tfor ( let i = 0; i < this._ranges.length; i++ ) {\n\t\t\tif ( range.isIntersecting( this._ranges[ i ] ) ) {\n\t\t\t\t/**\n\t\t\t\t * Trying to add a range that intersects with another range in the selection.\n\t\t\t\t *\n\t\t\t\t * @error model-selection-range-intersects\n\t\t\t\t * @param {module:engine/model/range~Range} addedRange Range that was added to the selection.\n\t\t\t\t * @param {module:engine/model/range~Range} intersectingRange Range in the selection that intersects with `addedRange`.\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'model-selection-range-intersects',\n\t\t\t\t\t[ this, range ],\n\t\t\t\t\t{ addedRange: range, intersectingRange: this._ranges[ i ] }\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Deletes ranges from internal range array. Uses {@link #_popRange _popRange} to\n\t * ensure proper ranges removal.\n\t *\n\t * @protected\n\t */\n\t_removeAllRanges() {\n\t\twhile ( this._ranges.length > 0 ) {\n\t\t\tthis._popRange();\n\t\t}\n\t}\n\n\t/**\n\t * Removes most recently added range from the selection.\n\t *\n\t * @protected\n\t */\n\t_popRange() {\n\t\tthis._ranges.pop();\n\t}\n\n\t/**\n\t * Fired when selection range(s) changed.\n\t *\n\t * @event change:range\n\t * @param {Boolean} directChange In case of {@link module:engine/model/selection~Selection} class it is always set\n\t * to `true` which indicates that the selection change was caused by a direct use of selection's API.\n\t * The {@link module:engine/model/documentselection~DocumentSelection}, however, may change because its position\n\t * was directly changed through the {@link module:engine/model/writer~Writer writer} or because its position was\n\t * changed because the structure of the model has been changed (which means an indirect change).\n\t * The indirect change does not occur in case of normal (detached) selections because they are \"static\" (as \"not live\")\n\t * which mean that they are not updated once the document changes.\n\t */\n\n\t/**\n\t * Fired when selection attribute changed.\n\t *\n\t * @event change:attribute\n\t * @param {Boolean} directChange In case of {@link module:engine/model/selection~Selection} class it is always set\n\t * to `true` which indicates that the selection change was caused by a direct use of selection's API.\n\t * The {@link module:engine/model/documentselection~DocumentSelection}, however, may change because its attributes\n\t * were directly changed through the {@link module:engine/model/writer~Writer writer} or because its position was\n\t * changed in the model and its attributes were refreshed (which means an indirect change).\n\t * The indirect change does not occur in case of normal (detached) selections because they are \"static\" (as \"not live\")\n\t * which mean that they are not updated once the document changes.\n\t * @param {Array.<String>} attributeKeys Array containing keys of attributes that changed.\n\t */\n}\n\nmix( Selection, EmitterMixin );\n\n// Checks whether the given element extends $block in the schema and has a parent (is not a root).\n// Marks it as already visited.\nfunction isUnvisitedBlock( element, visited ) {\n\tif ( visited.has( element ) ) {\n\t\treturn false;\n\t}\n\n\tvisited.add( element );\n\n\treturn element.root.document.model.schema.isBlock( element ) && element.parent;\n}\n\n// Checks if the given element is a $block was not previously visited and is a top block in a range.\nfunction isUnvisitedTopBlock( element, visited, range ) {\n\treturn isUnvisitedBlock( element, visited ) && isTopBlockInRange( element, range );\n}\n\n// Finds the lowest element in position's ancestors which is a block.\n// It will search until first ancestor that is a limit element.\n// Marks all ancestors as already visited to not include any of them later on.\nfunction getParentBlock( position, visited ) {\n\tconst element = position.parent;\n\tconst schema = element.root.document.model.schema;\n\n\tconst ancestors = position.parent.getAncestors( { parentFirst: true, includeSelf: true } );\n\n\tlet hasParentLimit = false;\n\n\tconst block = ancestors.find( element => {\n\t\t// Stop searching after first parent node that is limit element.\n\t\tif ( hasParentLimit ) {\n\t\t\treturn false;\n\t\t}\n\n\t\thasParentLimit = schema.isLimit( element );\n\n\t\treturn !hasParentLimit && isUnvisitedBlock( element, visited );\n\t} );\n\n\t// Mark all ancestors of this position's parent, because find() might've stopped early and\n\t// the found block may be a child of another block.\n\tancestors.forEach( element => visited.add( element ) );\n\n\treturn block;\n}\n\n// Checks if the blocks is not nested in other block inside a range.\n//\n// @param {module:engine/model/element~Element} block Block to check.\n// @param {module:engine/model/range~Range} range Range to check.\nfunction isTopBlockInRange( block, range ) {\n\tconst parentBlock = findAncestorBlock( block );\n\n\tif ( !parentBlock ) {\n\t\treturn true;\n\t}\n\n\t// Add loose flag to check as parentRange can be equal to range.\n\tconst isParentInRange = range.containsRange( Range._createOn( parentBlock ), true );\n\n\treturn !isParentInRange;\n}\n\n// Returns first ancestor block of a node.\n//\n// @param {module:engine/model/node~Node} node\n// @returns {module:engine/model/node~Node|undefined}\nfunction findAncestorBlock( node ) {\n\tconst schema = node.root.document.model.schema;\n\n\tlet parent = node.parent;\n\n\twhile ( parent ) {\n\t\tif ( schema.isBlock( parent ) ) {\n\t\t\treturn parent;\n\t\t}\n\n\t\tparent = parent.parent;\n\t}\n}\n\n/**\n * An entity that is used to set selection.\n *\n * See also {@link module:engine/model/selection~Selection#setTo}\n *\n * @typedef {\n *     module:engine/model/selection~Selection|\n *     module:engine/model/documentselection~DocumentSelection|\n *     module:engine/model/position~Position|\n *     module:engine/model/range~Range|\n *     module:engine/model/node~Node|\n *     Iterable.<module:engine/model/range~Range>|\n *     null\n * } module:engine/model/selection~Selectable\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/liverange\n */\n\nimport Range from './range';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * `LiveRange` is a type of {@link module:engine/model/range~Range Range}\n * that updates itself as {@link module:engine/model/document~Document document}\n * is changed through operations. It may be used as a bookmark.\n *\n * **Note:** Be very careful when dealing with `LiveRange`. Each `LiveRange` instance bind events that might\n * have to be unbound. Use {@link module:engine/model/liverange~LiveRange#detach detach} whenever you don't need `LiveRange` anymore.\n */\nexport default class LiveRange extends Range {\n\t/**\n\t * Creates a live range.\n\t *\n\t * @see module:engine/model/range~Range\n\t */\n\tconstructor( start, end ) {\n\t\tsuper( start, end );\n\n\t\tbindWithDocument.call( this );\n\t}\n\n\t/**\n\t * Unbinds all events previously bound by `LiveRange`. Use it whenever you don't need `LiveRange` instance\n\t * anymore (i.e. when leaving scope in which it was declared or before re-assigning variable that was\n\t * referring to it).\n\t */\n\tdetach() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tliveRange.is( 'range' ); // -> true\n\t *\t\tliveRange.is( 'model:range' ); // -> true\n\t *\t\tliveRange.is( 'liveRange' ); // -> true\n\t *\t\tliveRange.is( 'model:liveRange' ); // -> true\n\t *\n\t *\t\tliveRange.is( 'view:range' ); // -> false\n\t *\t\tliveRange.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'liveRange' || type === 'model:liveRange' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype == 'range' || type === 'model:range';\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/model/range~Range range instance} that is equal to this live range.\n\t *\n\t * @returns {module:engine/model/range~Range}\n\t */\n\ttoRange() {\n\t\treturn new Range( this.start, this.end );\n\t}\n\n\t/**\n\t * Creates a `LiveRange` instance that is equal to the given range.\n\t *\n\t * @param {module:engine/model/range~Range} range\n\t * @returns {module:engine/model/liverange~LiveRange}\n\t */\n\tstatic fromRange( range ) {\n\t\treturn new LiveRange( range.start, range.end );\n\t}\n\n\t/**\n\t * @see module:engine/model/range~Range._createIn\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liverange~LiveRange._createIn\n\t * @param {module:engine/model/element~Element} element\n\t * @returns {module:engine/model/liverange~LiveRange}\n\t */\n\n\t/**\n\t * @see module:engine/model/range~Range._createOn\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liverange~LiveRange._createOn\n\t * @param {module:engine/model/element~Element} element\n\t * @returns {module:engine/model/liverange~LiveRange}\n\t */\n\n\t/**\n\t * @see module:engine/model/range~Range._createFromPositionAndShift\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liverange~LiveRange._createFromPositionAndShift\n\t * @param {module:engine/model/position~Position} position\n\t * @param {Number} shift\n\t * @returns {module:engine/model/liverange~LiveRange}\n\t */\n\n\t/**\n\t * Fired when `LiveRange` instance boundaries have changed due to changes in the\n\t * {@link module:engine/model/document~Document document}.\n\t *\n\t * @event change:range\n\t * @param {module:engine/model/range~Range} oldRange Range with start and end position equal to start and end position of this live\n\t * range before it got changed.\n\t * @param {Object} data Object with additional information about the change.\n\t * @param {module:engine/model/position~Position|null} data.deletionPosition Source position for remove and merge changes.\n\t * Available if the range was moved to the graveyard root, `null` otherwise.\n\t */\n\n\t/**\n\t * Fired when `LiveRange` instance boundaries have not changed after a change in {@link module:engine/model/document~Document document}\n\t * but the change took place inside the range, effectively changing its content.\n\t *\n\t * @event change:content\n\t * @param {module:engine/model/range~Range} range Range with start and end position equal to start and end position of\n\t * change range.\n\t * @param {Object} data Object with additional information about the change.\n\t * @param {null} data.deletionPosition Due to the nature of this event, this property is always set to `null`. It is passed\n\t * for compatibility with the {@link module:engine/model/liverange~LiveRange#event:change:range} event.\n\t */\n}\n\n// Binds this `LiveRange` to the {@link module:engine/model/document~Document document}\n// that owns this range's {@link module:engine/model/range~Range#root root}.\n//\n// @private\nfunction bindWithDocument() {\n\tthis.listenTo(\n\t\tthis.root.document.model,\n\t\t'applyOperation',\n\t\t( event, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( !operation.isDocumentOperation ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\ttransform.call( this, operation );\n\t\t},\n\t\t{ priority: 'low' }\n\t);\n}\n\n// Updates this range accordingly to the updates applied to the model. Bases on change events.\n//\n// @private\n// @param {module:engine/model/operation/operation~Operation} operation Executed operation.\nfunction transform( operation ) {\n\t// Transform the range by the operation. Join the result ranges if needed.\n\tconst ranges = this.getTransformedByOperation( operation );\n\tconst result = Range._createFromRanges( ranges );\n\n\tconst boundariesChanged = !result.isEqual( this );\n\tconst contentChanged = doesOperationChangeRangeContent( this, operation );\n\n\tlet deletionPosition = null;\n\n\tif ( boundariesChanged ) {\n\t\t// If range boundaries have changed, fire `change:range` event.\n\t\t//\n\t\tif ( result.root.rootName == '$graveyard' ) {\n\t\t\t// If the range was moved to the graveyard root, set `deletionPosition`.\n\t\t\tif ( operation.type == 'remove' ) {\n\t\t\t\tdeletionPosition = operation.sourcePosition;\n\t\t\t} else {\n\t\t\t\t// Merge operation.\n\t\t\t\tdeletionPosition = operation.deletionPosition;\n\t\t\t}\n\t\t}\n\n\t\tconst oldRange = this.toRange();\n\n\t\tthis.start = result.start;\n\t\tthis.end = result.end;\n\n\t\tthis.fire( 'change:range', oldRange, { deletionPosition } );\n\t} else if ( contentChanged ) {\n\t\t// If range boundaries have not changed, but there was change inside the range, fire `change:content` event.\n\t\tthis.fire( 'change:content', this.toRange(), { deletionPosition } );\n\t}\n}\n\n// Checks whether given operation changes something inside the range (even if it does not change boundaries).\n//\n// @private\n// @param {module:engine/model/range~Range} range Range to check.\n// @param {module:engine/model/operation/operation~Operation} operation Executed operation.\n// @returns {Boolean}\nfunction doesOperationChangeRangeContent( range, operation ) {\n\tswitch ( operation.type ) {\n\t\tcase 'insert':\n\t\t\treturn range.containsPosition( operation.position );\n\t\tcase 'move':\n\t\tcase 'remove':\n\t\tcase 'reinsert':\n\t\tcase 'merge':\n\t\t\treturn range.containsPosition( operation.sourcePosition ) ||\n\t\t\t\trange.start.isEqual( operation.sourcePosition ) ||\n\t\t\t\trange.containsPosition( operation.targetPosition );\n\t\tcase 'split':\n\t\t\treturn range.containsPosition( operation.splitPosition ) || range.containsPosition( operation.insertionPosition );\n\t}\n\n\treturn false;\n}\n\nmix( LiveRange, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/documentselection\n */\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\n\nimport Selection from './selection';\nimport LiveRange from './liverange';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\n\nconst storePrefix = 'selection:';\n\n/**\n * `DocumentSelection` is a special selection which is used as the\n * {@link module:engine/model/document~Document#selection document's selection}.\n * There can be only one instance of `DocumentSelection` per document.\n *\n * Document selection can only be changed by using the {@link module:engine/model/writer~Writer} instance\n * inside the {@link module:engine/model/model~Model#change `change()`} block, as it provides a secure way to modify model.\n *\n * `DocumentSelection` is automatically updated upon changes in the {@link module:engine/model/document~Document document}\n * to always contain valid ranges. Its attributes are inherited from the text unless set explicitly.\n *\n * Differences between {@link module:engine/model/selection~Selection} and `DocumentSelection` are:\n * * there is always a range in `DocumentSelection` - even if no ranges were added there is a \"default range\"\n * present in the selection,\n * * ranges added to this selection updates automatically when the document changes,\n * * attributes of `DocumentSelection` are updated automatically according to selection ranges.\n *\n * Since `DocumentSelection` uses {@link module:engine/model/liverange~LiveRange live ranges}\n * and is updated when {@link module:engine/model/document~Document document}\n * changes, it cannot be set on {@link module:engine/model/node~Node nodes}\n * that are inside {@link module:engine/model/documentfragment~DocumentFragment document fragment}.\n * If you need to represent a selection in document fragment,\n * use {@link module:engine/model/selection~Selection Selection class} instead.\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class DocumentSelection {\n\t/**\n\t * Creates an empty live selection for given {@link module:engine/model/document~Document}.\n\t *\n\t * @param {module:engine/model/document~Document} doc Document which owns this selection.\n\t */\n\tconstructor( doc ) {\n\t\t/**\n\t\t * Selection used internally by that class (`DocumentSelection` is a proxy to that selection).\n\t\t *\n\t\t * @protected\n\t\t */\n\t\tthis._selection = new LiveSelection( doc );\n\n\t\tthis._selection.delegate( 'change:range' ).to( this );\n\t\tthis._selection.delegate( 'change:attribute' ).to( this );\n\t\tthis._selection.delegate( 'change:marker' ).to( this );\n\t}\n\n\t/**\n\t * Returns whether the selection is collapsed. Selection is collapsed when there is exactly one range which is\n\t * collapsed.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this._selection.isCollapsed;\n\t}\n\n\t/**\n\t * Selection anchor. Anchor may be described as a position where the most recent part of the selection starts.\n\t * Together with {@link #focus} they define the direction of selection, which is important\n\t * when expanding/shrinking selection. Anchor is always {@link module:engine/model/range~Range#start start} or\n\t * {@link module:engine/model/range~Range#end end} position of the most recently added range.\n\t *\n\t * Is set to `null` if there are no ranges in selection.\n\t *\n\t * @see #focus\n\t * @readonly\n\t * @type {module:engine/model/position~Position|null}\n\t */\n\tget anchor() {\n\t\treturn this._selection.anchor;\n\t}\n\n\t/**\n\t * Selection focus. Focus is a position where the selection ends.\n\t *\n\t * Is set to `null` if there are no ranges in selection.\n\t *\n\t * @see #anchor\n\t * @readonly\n\t * @type {module:engine/model/position~Position|null}\n\t */\n\tget focus() {\n\t\treturn this._selection.focus;\n\t}\n\n\t/**\n\t * Returns number of ranges in selection.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget rangeCount() {\n\t\treturn this._selection.rangeCount;\n\t}\n\n\t/**\n\t * Describes whether `Documentselection` has own range(s) set, or if it is defaulted to\n\t * {@link module:engine/model/document~Document#_getDefaultRange document's default range}.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget hasOwnRange() {\n\t\treturn this._selection.hasOwnRange;\n\t}\n\n\t/**\n\t * Specifies whether the {@link #focus}\n\t * precedes {@link #anchor}.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isBackward() {\n\t\treturn this._selection.isBackward;\n\t}\n\n\t/**\n\t * Describes whether the gravity is overridden (using {@link module:engine/model/writer~Writer#overrideSelectionGravity}) or not.\n\t *\n\t * Note that the gravity remains overridden as long as will not be restored the same number of times as it was overridden.\n\t *\n\t * @readonly\n\t * @returns {Boolean}\n\t */\n\tget isGravityOverridden() {\n\t\treturn this._selection.isGravityOverridden;\n\t}\n\n\t/**\n\t * A collection of selection {@link module:engine/model/markercollection~Marker markers}.\n\t * Marker is a selection marker when selection range is inside the marker range.\n\t *\n\t * **Note**: Only markers from {@link ~DocumentSelection#observeMarkers observed markers groups} are collected.\n\t *\n\t * @readonly\n\t * @type {module:utils/collection~Collection}\n\t */\n\tget markers() {\n\t\treturn this._selection.markers;\n\t}\n\n\t/**\n\t * Used for the compatibility with the {@link module:engine/model/selection~Selection#isEqual} method.\n\t *\n\t * @protected\n\t */\n\tget _ranges() {\n\t\treturn this._selection._ranges;\n\t}\n\n\t/**\n\t * Returns an iterable that iterates over copies of selection ranges.\n\t *\n\t * @returns {Iterable.<module:engine/model/range~Range>}\n\t */\n\tgetRanges() {\n\t\treturn this._selection.getRanges();\n\t}\n\n\t/**\n\t * Returns the first position in the selection.\n\t * First position is the position that {@link module:engine/model/position~Position#isBefore is before}\n\t * any other position in the selection.\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/position~Position|null}\n\t */\n\tgetFirstPosition() {\n\t\treturn this._selection.getFirstPosition();\n\t}\n\n\t/**\n\t * Returns the last position in the selection.\n\t * Last position is the position that {@link module:engine/model/position~Position#isAfter is after}\n\t * any other position in the selection.\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/position~Position|null}\n\t */\n\tgetLastPosition() {\n\t\treturn this._selection.getLastPosition();\n\t}\n\n\t/**\n\t * Returns a copy of the first range in the selection.\n\t * First range is the one which {@link module:engine/model/range~Range#start start} position\n\t * {@link module:engine/model/position~Position#isBefore is before} start position of all other ranges\n\t * (not to confuse with the first range added to the selection).\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetFirstRange() {\n\t\treturn this._selection.getFirstRange();\n\t}\n\n\t/**\n\t * Returns a copy of the last range in the selection.\n\t * Last range is the one which {@link module:engine/model/range~Range#end end} position\n\t * {@link module:engine/model/position~Position#isAfter is after} end position of all other ranges (not to confuse with the range most\n\t * recently added to the selection).\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetLastRange() {\n\t\treturn this._selection.getLastRange();\n\t}\n\n\t/**\n\t * Gets elements of type {@link module:engine/model/schema~Schema#isBlock \"block\"} touched by the selection.\n\t *\n\t * This method's result can be used for example to apply block styling to all blocks covered by this selection.\n\t *\n\t * **Note:** `getSelectedBlocks()` returns blocks that are nested in other non-block elements\n\t * but will not return blocks nested in other blocks.\n\t *\n\t * In this case the function will return exactly all 3 paragraphs (note: `<blockQuote>` is not a block itself):\n\t *\n\t *\t\t<paragraph>[a</paragraph>\n\t *\t\t<blockQuote>\n\t *\t\t\t<paragraph>b</paragraph>\n\t *\t\t</blockQuote>\n\t *\t\t<paragraph>c]d</paragraph>\n\t *\n\t * In this case the paragraph will also be returned, despite the collapsed selection:\n\t *\n\t *\t\t<paragraph>[]a</paragraph>\n\t *\n\t * In such a scenario, however, only blocks A, B & E will be returned as blocks C & D are nested in block B:\n\t *\n\t *\t\t[<blockA></blockA>\n\t *\t\t<blockB>\n\t *\t\t\t<blockC></blockC>\n\t *\t\t\t<blockD></blockD>\n\t *\t\t</blockB>\n\t *\t\t<blockE></blockE>]\n\t *\n\t * If the selection is inside a block all the inner blocks (A & B) are returned:\n\t *\n\t * \t\t<block>\n\t *\t\t\t<blockA>[a</blockA>\n\t * \t\t\t<blockB>b]</blockB>\n\t * \t\t</block>\n\t *\n\t * **Special case**: If a selection ends at the beginning of a block, that block is not returned as from user perspective\n\t * this block wasn't selected. See [#984](https://github.com/ckeditor/ckeditor5-engine/issues/984) for more details.\n\t *\n\t *\t\t<paragraph>[a</paragraph>\n\t *\t\t<paragraph>b</paragraph>\n\t *\t\t<paragraph>]c</paragraph> // this block will not be returned\n\t *\n\t * @returns {Iterable.<module:engine/model/element~Element>}\n\t */\n\tgetSelectedBlocks() {\n\t\treturn this._selection.getSelectedBlocks();\n\t}\n\n\t/**\n\t * Returns the selected element. {@link module:engine/model/element~Element Element} is considered as selected if there is only\n\t * one range in the selection, and that range contains exactly one element.\n\t * Returns `null` if there is no selected element.\n\t *\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tgetSelectedElement() {\n\t\treturn this._selection.getSelectedElement();\n\t}\n\n\t/**\n\t * Checks whether the selection contains the entire content of the given element. This means that selection must start\n\t * at a position {@link module:engine/model/position~Position#isTouching touching} the element's start and ends at position\n\t * touching the element's end.\n\t *\n\t * By default, this method will check whether the entire content of the selection's current root is selected.\n\t * Useful to check if e.g. the user has just pressed <kbd>Ctrl</kbd> + <kbd>A</kbd>.\n\t *\n\t * @param {module:engine/model/element~Element} [element=this.anchor.root]\n\t * @returns {Boolean}\n\t */\n\tcontainsEntireContent( element ) {\n\t\treturn this._selection.containsEntireContent( element );\n\t}\n\n\t/**\n\t * Unbinds all events previously bound by document selection.\n\t */\n\tdestroy() {\n\t\tthis._selection.destroy();\n\t}\n\n\t/**\n\t * Returns iterable that iterates over this selection's attribute keys.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetAttributeKeys() {\n\t\treturn this._selection.getAttributeKeys();\n\t}\n\n\t/**\n\t * Returns iterable that iterates over this selection's attributes.\n\t *\n\t * Attributes are returned as arrays containing two items. First one is attribute key and second is attribute value.\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\tgetAttributes() {\n\t\treturn this._selection.getAttributes();\n\t}\n\n\t/**\n\t * Gets an attribute value for given key or `undefined` if that attribute is not set on the selection.\n\t *\n\t * @param {String} key Key of attribute to look for.\n\t * @returns {*} Attribute value or `undefined`.\n\t */\n\tgetAttribute( key ) {\n\t\treturn this._selection.getAttribute( key );\n\t}\n\n\t/**\n\t * Checks if the selection has an attribute for given key.\n\t *\n\t * @param {String} key Key of attribute to check.\n\t * @returns {Boolean} `true` if attribute with given key is set on selection, `false` otherwise.\n\t */\n\thasAttribute( key ) {\n\t\treturn this._selection.hasAttribute( key );\n\t}\n\n\t/**\n\t * Refreshes selection attributes and markers according to the current position in the model.\n\t */\n\trefresh() {\n\t\tthis._selection._updateMarkers();\n\t\tthis._selection._updateAttributes( false );\n\t}\n\n\t/**\n\t * Registers a marker group prefix or a marker name to be collected in the\n\t * {@link ~DocumentSelection#markers selection markers collection}.\n\t *\n\t * See also {@link module:engine/model/markercollection~MarkerCollection#getMarkersGroup `MarkerCollection#getMarkersGroup()`}.\n\t *\n\t * @param {String} prefixOrName The marker group prefix or marker name.\n\t */\n\tobserveMarkers( prefixOrName ) {\n\t\tthis._selection.observeMarkers( prefixOrName );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tselection.is( 'selection' ); // -> true\n\t *\t\tselection.is( 'documentSelection' ); // -> true\n\t *\t\tselection.is( 'model:selection' ); // -> true\n\t *\t\tselection.is( 'model:documentSelection' ); // -> true\n\t *\n\t *\t\tselection.is( 'view:selection' ); // -> false\n\t *\t\tselection.is( 'element' ); // -> false\n\t *\t\tselection.is( 'node' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'selection' ||\n\t\t\ttype == 'model:selection' ||\n\t\t\ttype == 'documentSelection' ||\n\t\t\ttype == 'model:documentSelection';\n\t}\n\n\t/**\n\t * Moves {@link module:engine/model/documentselection~DocumentSelection#focus} to the specified location.\n\t * Should be used only within the {@link module:engine/model/writer~Writer#setSelectionFocus} method.\n\t *\n\t * The location can be specified in the same form as\n\t * {@link module:engine/model/writer~Writer#createPositionAt writer.createPositionAt()} parameters.\n\t *\n\t * @see module:engine/model/writer~Writer#setSelectionFocus\n\t * @protected\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\t_setFocus( itemOrPosition, offset ) {\n\t\tthis._selection.setFocus( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Sets this selection's ranges and direction to the specified location based on the given\n\t * {@link module:engine/model/selection~Selectable selectable}.\n\t * Should be used only within the {@link module:engine/model/writer~Writer#setSelection} method.\n\t *\n\t * @see module:engine/model/writer~Writer#setSelection\n\t * @protected\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t */\n\t_setTo( selectable, placeOrOffset, options ) {\n\t\tthis._selection.setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Sets attribute on the selection. If attribute with the same key already is set, it's value is overwritten.\n\t * Should be used only within the {@link module:engine/model/writer~Writer#setSelectionAttribute} method.\n\t *\n\t * @see module:engine/model/writer~Writer#setSelectionAttribute\n\t * @protected\n\t * @param {String} key Key of the attribute to set.\n\t * @param {*} value Attribute value.\n\t */\n\t_setAttribute( key, value ) {\n\t\tthis._selection.setAttribute( key, value );\n\t}\n\n\t/**\n\t * Removes an attribute with given key from the selection.\n\t * If the given attribute was set on the selection, fires the {@link module:engine/model/selection~Selection#event:change:range}\n\t * event with removed attribute key.\n\t * Should be used only within the {@link module:engine/model/writer~Writer#removeSelectionAttribute} method.\n\t *\n\t * @see module:engine/model/writer~Writer#removeSelectionAttribute\n\t * @protected\n\t * @param {String} key Key of the attribute to remove.\n\t */\n\t_removeAttribute( key ) {\n\t\tthis._selection.removeAttribute( key );\n\t}\n\n\t/**\n\t * Returns an iterable that iterates through all selection attributes stored in current selection's parent.\n\t *\n\t * @protected\n\t * @returns {Iterable.<*>}\n\t */\n\t_getStoredAttributes() {\n\t\treturn this._selection._getStoredAttributes();\n\t}\n\n\t/**\n\t * Temporarily changes the gravity of the selection from the left to the right.\n\t *\n\t * The gravity defines from which direction the selection inherits its attributes. If it's the default left\n\t * gravity, the selection (after being moved by the the user) inherits attributes from its left hand side.\n\t * This method allows to temporarily override this behavior by forcing the gravity to the right.\n\t *\n\t * It returns an unique identifier which is required to restore the gravity. It guarantees the symmetry\n\t * of the process.\n\t *\n\t * @see module:engine/model/writer~Writer#overrideSelectionGravity\n\t * @protected\n\t * @returns {String} The unique id which allows restoring the gravity.\n\t */\n\t_overrideGravity() {\n\t\treturn this._selection.overrideGravity();\n\t}\n\n\t/**\n\t * Restores the {@link ~DocumentSelection#_overrideGravity overridden gravity}.\n\t *\n\t * Restoring the gravity is only possible using the unique identifier returned by\n\t * {@link ~DocumentSelection#_overrideGravity}. Note that the gravity remains overridden as long as won't be restored\n\t * the same number of times it was overridden.\n\t *\n\t * @see module:engine/model/writer~Writer#restoreSelectionGravity\n\t * @protected\n\t * @param {String} uid The unique id returned by {@link #_overrideGravity}.\n\t */\n\t_restoreGravity( uid ) {\n\t\tthis._selection.restoreGravity( uid );\n\t}\n\n\t/**\n\t * Generates and returns an attribute key for selection attributes store, basing on original attribute key.\n\t *\n\t * @protected\n\t * @param {String} key Attribute key to convert.\n\t * @returns {String} Converted attribute key, applicable for selection store.\n\t */\n\tstatic _getStoreAttributeKey( key ) {\n\t\treturn storePrefix + key;\n\t}\n\n\t/**\n\t * Checks whether the given attribute key is an attribute stored on an element.\n\t *\n\t * @protected\n\t * @param {String} key\n\t * @returns {Boolean}\n\t */\n\tstatic _isStoreAttributeKey( key ) {\n\t\treturn key.startsWith( storePrefix );\n\t}\n}\n\nmix( DocumentSelection, EmitterMixin );\n\n/**\n * Fired when selection range(s) changed.\n *\n * @event change:range\n * @param {Boolean} directChange In case of {@link module:engine/model/selection~Selection} class it is always set\n * to `true` which indicates that the selection change was caused by a direct use of selection's API.\n * The {@link module:engine/model/documentselection~DocumentSelection}, however, may change because its position\n * was directly changed through the {@link module:engine/model/writer~Writer writer} or because its position was\n * changed because the structure of the model has been changed (which means an indirect change).\n * The indirect change does not occur in case of normal (detached) selections because they are \"static\" (as \"not live\")\n * which mean that they are not updated once the document changes.\n */\n\n/**\n * Fired when selection attribute changed.\n *\n * @event change:attribute\n * @param {Boolean} directChange In case of {@link module:engine/model/selection~Selection} class it is always set\n * to `true` which indicates that the selection change was caused by a direct use of selection's API.\n * The {@link module:engine/model/documentselection~DocumentSelection}, however, may change because its attributes\n * were directly changed through the {@link module:engine/model/writer~Writer writer} or because its position was\n * changed in the model and its attributes were refreshed (which means an indirect change).\n * The indirect change does not occur in case of normal (detached) selections because they are \"static\" (as \"not live\")\n * which mean that they are not updated once the document changes.\n * @param {Array.<String>} attributeKeys Array containing keys of attributes that changed.\n */\n\n/**\n * Fired when selection marker(s) changed.\n *\n * @event change:marker\n * @param {Boolean} directChange This is always set to `false` in case of `change:marker` event as there is no possibility\n * to change markers directly through {@link module:engine/model/documentselection~DocumentSelection} API.\n * See also {@link module:engine/model/documentselection~DocumentSelection#event:change:range} and\n * {@link module:engine/model/documentselection~DocumentSelection#event:change:attribute}.\n * @param {Array.<module:engine/model/markercollection~Marker>} oldMarkers Markers in which the selection was before the change.\n */\n\n// `LiveSelection` is used internally by {@link module:engine/model/documentselection~DocumentSelection} and shouldn't be used directly.\n//\n// LiveSelection` is automatically updated upon changes in the {@link module:engine/model/document~Document document}\n// to always contain valid ranges. Its attributes are inherited from the text unless set explicitly.\n//\n// Differences between {@link module:engine/model/selection~Selection} and `LiveSelection` are:\n// * there is always a range in `LiveSelection` - even if no ranges were added there is a \"default range\"\n// present in the selection,\n// * ranges added to this selection updates automatically when the document changes,\n// * attributes of `LiveSelection` are updated automatically according to selection ranges.\n//\n// @extends module:engine/model/selection~Selection\n//\nclass LiveSelection extends Selection {\n\t// Creates an empty live selection for given {@link module:engine/model/document~Document}.\n\t// @param {module:engine/model/document~Document} doc Document which owns this selection.\n\tconstructor( doc ) {\n\t\tsuper();\n\n\t\t// List of selection markers.\n\t\t// Marker is a selection marker when selection range is inside the marker range.\n\t\t//\n\t\t// @type {module:utils/collection~Collection}\n\t\tthis.markers = new Collection( { idProperty: 'name' } );\n\n\t\t// Document which owns this selection.\n\t\t//\n\t\t// @protected\n\t\t// @member {module:engine/model/model~Model}\n\t\tthis._model = doc.model;\n\n\t\t// Document which owns this selection.\n\t\t//\n\t\t// @protected\n\t\t// @member {module:engine/model/document~Document}\n\t\tthis._document = doc;\n\n\t\t// Keeps mapping of attribute name to priority with which the attribute got modified (added/changed/removed)\n\t\t// last time. Possible values of priority are: `'low'` and `'normal'`.\n\t\t//\n\t\t// Priorities are used by internal `LiveSelection` mechanisms. All attributes set using `LiveSelection`\n\t\t// attributes API are set with `'normal'` priority.\n\t\t//\n\t\t// @private\n\t\t// @member {Map} module:engine/model/liveselection~LiveSelection#_attributePriority\n\t\tthis._attributePriority = new Map();\n\n\t\t// Position to which the selection should be set if the last selection range was moved to the graveyard.\n\t\t// @private\n\t\t// @member {module:engine/model/position~Position} module:engine/model/liveselection~LiveSelection#_selectionRestorePosition\n\t\tthis._selectionRestorePosition = null;\n\n\t\t// Flag that informs whether the selection ranges have changed. It is changed on true when `LiveRange#change:range` event is fired.\n\t\t// @private\n\t\t// @member {Array} module:engine/model/liveselection~LiveSelection#_hasChangedRange\n\t\tthis._hasChangedRange = false;\n\n\t\t// Each overriding gravity adds an UID to the set and each removal removes it.\n\t\t// Gravity is overridden when there's at least one UID in the set.\n\t\t// Gravity is restored when the set is empty.\n\t\t// This is to prevent conflicts when gravity is overridden by more than one feature at the same time.\n\t\t// @private\n\t\t// @type {Set}\n\t\tthis._overriddenGravityRegister = new Set();\n\n\t\t// Prefixes of marker names that should affect `LiveSelection#markers` collection.\n\t\t// @private\n\t\t// @type {Set}\n\t\tthis._observedMarkers = new Set();\n\n\t\t// Ensure selection is correct after each operation.\n\t\tthis.listenTo( this._model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( !operation.isDocumentOperation || operation.type == 'marker' || operation.type == 'rename' || operation.type == 'noop' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Fix selection if the last range was removed from it and we have a position to which we can restore the selection.\n\t\t\tif ( this._ranges.length == 0 && this._selectionRestorePosition ) {\n\t\t\t\tthis._fixGraveyardSelection( this._selectionRestorePosition );\n\t\t\t}\n\n\t\t\t// \"Forget\" the restore position even if it was not \"used\".\n\t\t\tthis._selectionRestorePosition = null;\n\n\t\t\tif ( this._hasChangedRange ) {\n\t\t\t\tthis._hasChangedRange = false;\n\t\t\t\tthis.fire( 'change:range', { directChange: false } );\n\t\t\t}\n\t\t}, { priority: 'lowest' } );\n\n\t\t// Ensure selection is correct and up to date after each range change.\n\t\tthis.on( 'change:range', () => {\n\t\t\tfor ( const range of this.getRanges() ) {\n\t\t\t\tif ( !this._document._validateSelectionRange( range ) ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * Range from {@link module:engine/model/documentselection~DocumentSelection document selection}\n\t\t\t\t\t * starts or ends at incorrect position.\n\t\t\t\t\t *\n\t\t\t\t\t * @error document-selection-wrong-position\n\t\t\t\t\t * @param {module:engine/model/range~Range} range\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t\t'document-selection-wrong-position',\n\t\t\t\t\t\tthis,\n\t\t\t\t\t\t{ range }\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\t// Update markers data stored by the selection after each marker change.\n\t\t// This handles only marker changes done through marker operations (not model tree changes).\n\t\tthis.listenTo( this._model.markers, 'update', ( evt, marker, oldRange, newRange ) => {\n\t\t\tthis._updateMarker( marker, newRange );\n\t\t} );\n\n\t\t// Ensure selection is up to date after each change block.\n\t\tthis.listenTo( this._document, 'change', ( evt, batch ) => {\n\t\t\tclearAttributesStoredInElement( this._model, batch );\n\t\t} );\n\t}\n\n\tget isCollapsed() {\n\t\tconst length = this._ranges.length;\n\n\t\treturn length === 0 ? this._document._getDefaultRange().isCollapsed : super.isCollapsed;\n\t}\n\n\tget anchor() {\n\t\treturn super.anchor || this._document._getDefaultRange().start;\n\t}\n\n\tget focus() {\n\t\treturn super.focus || this._document._getDefaultRange().end;\n\t}\n\n\tget rangeCount() {\n\t\treturn this._ranges.length ? this._ranges.length : 1;\n\t}\n\n\t// Describes whether `LiveSelection` has own range(s) set, or if it is defaulted to\n\t// {@link module:engine/model/document~Document#_getDefaultRange document's default range}.\n\t//\n\t// @readonly\n\t// @type {Boolean}\n\tget hasOwnRange() {\n\t\treturn this._ranges.length > 0;\n\t}\n\n\t// When set to `true` then selection attributes on node before the caret won't be taken\n\t// into consideration while updating selection attributes.\n\t//\n\t// @protected\n\t// @type {Boolean}\n\tget isGravityOverridden() {\n\t\treturn !!this._overriddenGravityRegister.size;\n\t}\n\n\t// Unbinds all events previously bound by live selection.\n\tdestroy() {\n\t\tfor ( let i = 0; i < this._ranges.length; i++ ) {\n\t\t\tthis._ranges[ i ].detach();\n\t\t}\n\n\t\tthis.stopListening();\n\t}\n\n\t* getRanges() {\n\t\tif ( this._ranges.length ) {\n\t\t\tyield* super.getRanges();\n\t\t} else {\n\t\t\tyield this._document._getDefaultRange();\n\t\t}\n\t}\n\n\tgetFirstRange() {\n\t\treturn super.getFirstRange() || this._document._getDefaultRange();\n\t}\n\n\tgetLastRange() {\n\t\treturn super.getLastRange() || this._document._getDefaultRange();\n\t}\n\n\tsetTo( selectable, optionsOrPlaceOrOffset, options ) {\n\t\tsuper.setTo( selectable, optionsOrPlaceOrOffset, options );\n\t\tthis._updateAttributes( true );\n\t\tthis._updateMarkers();\n\t}\n\n\tsetFocus( itemOrPosition, offset ) {\n\t\tsuper.setFocus( itemOrPosition, offset );\n\t\tthis._updateAttributes( true );\n\t\tthis._updateMarkers();\n\t}\n\n\tsetAttribute( key, value ) {\n\t\tif ( this._setAttribute( key, value ) ) {\n\t\t\t// Fire event with exact data.\n\t\t\tconst attributeKeys = [ key ];\n\t\t\tthis.fire( 'change:attribute', { attributeKeys, directChange: true } );\n\t\t}\n\t}\n\n\tremoveAttribute( key ) {\n\t\tif ( this._removeAttribute( key ) ) {\n\t\t\t// Fire event with exact data.\n\t\t\tconst attributeKeys = [ key ];\n\t\t\tthis.fire( 'change:attribute', { attributeKeys, directChange: true } );\n\t\t}\n\t}\n\n\toverrideGravity() {\n\t\tconst overrideUid = uid();\n\n\t\t// Remember that another overriding has been requested. It will need to be removed\n\t\t// before the gravity is to be restored.\n\t\tthis._overriddenGravityRegister.add( overrideUid );\n\n\t\tif ( this._overriddenGravityRegister.size === 1 ) {\n\t\t\tthis._updateAttributes( true );\n\t\t}\n\n\t\treturn overrideUid;\n\t}\n\n\trestoreGravity( uid ) {\n\t\tif ( !this._overriddenGravityRegister.has( uid ) ) {\n\t\t\t/**\n\t\t\t * Restoring gravity for an unknown UID is not possible. Make sure you are using a correct\n\t\t\t * UID obtained from the {@link module:engine/model/writer~Writer#overrideSelectionGravity} to restore.\n\t\t\t *\n\t\t\t * @error document-selection-gravity-wrong-restore\n\t\t\t * @param {String} uid The unique identifier returned by\n\t\t\t * {@link module:engine/model/documentselection~DocumentSelection#_overrideGravity}.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'document-selection-gravity-wrong-restore',\n\t\t\t\tthis,\n\t\t\t\t{ uid }\n\t\t\t);\n\t\t}\n\n\t\tthis._overriddenGravityRegister.delete( uid );\n\n\t\t// Restore gravity only when all overriding have been restored.\n\t\tif ( !this.isGravityOverridden ) {\n\t\t\tthis._updateAttributes( true );\n\t\t}\n\t}\n\n\tobserveMarkers( prefixOrName ) {\n\t\tthis._observedMarkers.add( prefixOrName );\n\t\tthis._updateMarkers();\n\t}\n\n\t_popRange() {\n\t\tthis._ranges.pop().detach();\n\t}\n\n\t_pushRange( range ) {\n\t\tconst liveRange = this._prepareRange( range );\n\n\t\t// `undefined` is returned when given `range` is in graveyard root.\n\t\tif ( liveRange ) {\n\t\t\tthis._ranges.push( liveRange );\n\t\t}\n\t}\n\n\t// Prepares given range to be added to selection. Checks if it is correct,\n\t// converts it to {@link module:engine/model/liverange~LiveRange LiveRange}\n\t// and sets listeners listening to the range's change event.\n\t//\n\t// @private\n\t// @param {module:engine/model/range~Range} range\n\t_prepareRange( range ) {\n\t\tthis._checkRange( range );\n\n\t\tif ( range.root == this._document.graveyard ) {\n\t\t\t// @if CK_DEBUG // console.warn( 'Trying to add a Range that is in the graveyard root. Range rejected.' );\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst liveRange = LiveRange.fromRange( range );\n\n\t\t// If selection range is moved to the graveyard remove it from the selection object.\n\t\t// Also, save some data that can be used to restore selection later, on `Model#applyOperation` event.\n\t\tliveRange.on( 'change:range', ( evt, oldRange, data ) => {\n\t\t\tthis._hasChangedRange = true;\n\n\t\t\tif ( liveRange.root == this._document.graveyard ) {\n\t\t\t\tthis._selectionRestorePosition = data.deletionPosition;\n\n\t\t\t\tconst index = this._ranges.indexOf( liveRange );\n\t\t\t\tthis._ranges.splice( index, 1 );\n\t\t\t\tliveRange.detach();\n\t\t\t}\n\t\t} );\n\n\t\treturn liveRange;\n\t}\n\n\t_updateMarkers() {\n\t\tif ( !this._observedMarkers.size ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst markers = [];\n\t\tlet changed = false;\n\n\t\tfor ( const marker of this._model.markers ) {\n\t\t\tconst markerGroup = marker.name.split( ':', 1 )[ 0 ];\n\n\t\t\tif ( !this._observedMarkers.has( markerGroup ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst markerRange = marker.getRange();\n\n\t\t\tfor ( const selectionRange of this.getRanges() ) {\n\t\t\t\tif ( markerRange.containsRange( selectionRange, !selectionRange.isCollapsed ) ) {\n\t\t\t\t\tmarkers.push( marker );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tconst oldMarkers = Array.from( this.markers );\n\n\t\tfor ( const marker of markers ) {\n\t\t\tif ( !this.markers.has( marker ) ) {\n\t\t\t\tthis.markers.add( marker );\n\n\t\t\t\tchanged = true;\n\t\t\t}\n\t\t}\n\n\t\tfor ( const marker of Array.from( this.markers ) ) {\n\t\t\tif ( !markers.includes( marker ) ) {\n\t\t\t\tthis.markers.remove( marker );\n\n\t\t\t\tchanged = true;\n\t\t\t}\n\t\t}\n\n\t\tif ( changed ) {\n\t\t\tthis.fire( 'change:marker', { oldMarkers, directChange: false } );\n\t\t}\n\t}\n\n\t_updateMarker( marker, markerRange ) {\n\t\tconst markerGroup = marker.name.split( ':', 1 )[ 0 ];\n\n\t\tif ( !this._observedMarkers.has( markerGroup ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tlet changed = false;\n\n\t\tconst oldMarkers = Array.from( this.markers );\n\t\tconst hasMarker = this.markers.has( marker );\n\n\t\tif ( !markerRange ) {\n\t\t\tif ( hasMarker ) {\n\t\t\t\tthis.markers.remove( marker );\n\t\t\t\tchanged = true;\n\t\t\t}\n\t\t} else {\n\t\t\tlet contained = false;\n\n\t\t\tfor ( const selectionRange of this.getRanges() ) {\n\t\t\t\tif ( markerRange.containsRange( selectionRange, !selectionRange.isCollapsed ) ) {\n\t\t\t\t\tcontained = true;\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( contained && !hasMarker ) {\n\t\t\t\tthis.markers.add( marker );\n\n\t\t\t\tchanged = true;\n\t\t\t} else if ( !contained && hasMarker ) {\n\t\t\t\tthis.markers.remove( marker );\n\n\t\t\t\tchanged = true;\n\t\t\t}\n\t\t}\n\n\t\tif ( changed ) {\n\t\t\tthis.fire( 'change:marker', { oldMarkers, directChange: false } );\n\t\t}\n\t}\n\n\t// Updates this selection attributes according to its ranges and the {@link module:engine/model/document~Document model document}.\n\t//\n\t// @protected\n\t// @param {Boolean} clearAll\n\t// @fires change:attribute\n\t_updateAttributes( clearAll ) {\n\t\tconst newAttributes = toMap( this._getSurroundingAttributes() );\n\t\tconst oldAttributes = toMap( this.getAttributes() );\n\n\t\tif ( clearAll ) {\n\t\t\t// If `clearAll` remove all attributes and reset priorities.\n\t\t\tthis._attributePriority = new Map();\n\t\t\tthis._attrs = new Map();\n\t\t} else {\n\t\t\t// If not, remove only attributes added with `low` priority.\n\t\t\tfor ( const [ key, priority ] of this._attributePriority ) {\n\t\t\t\tif ( priority == 'low' ) {\n\t\t\t\t\tthis._attrs.delete( key );\n\t\t\t\t\tthis._attributePriority.delete( key );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tthis._setAttributesTo( newAttributes );\n\n\t\t// Let's evaluate which attributes really changed.\n\t\tconst changed = [];\n\n\t\t// First, loop through all attributes that are set on selection right now.\n\t\t// Check which of them are different than old attributes.\n\t\tfor ( const [ newKey, newValue ] of this.getAttributes() ) {\n\t\t\tif ( !oldAttributes.has( newKey ) || oldAttributes.get( newKey ) !== newValue ) {\n\t\t\t\tchanged.push( newKey );\n\t\t\t}\n\t\t}\n\n\t\t// Then, check which of old attributes got removed.\n\t\tfor ( const [ oldKey ] of oldAttributes ) {\n\t\t\tif ( !this.hasAttribute( oldKey ) ) {\n\t\t\t\tchanged.push( oldKey );\n\t\t\t}\n\t\t}\n\n\t\t// Fire event with exact data (fire only if anything changed).\n\t\tif ( changed.length > 0 ) {\n\t\t\tthis.fire( 'change:attribute', { attributeKeys: changed, directChange: false } );\n\t\t}\n\t}\n\n\t// Internal method for setting `LiveSelection` attribute. Supports attribute priorities (through `directChange`\n\t// parameter).\n\t//\n\t// @private\n\t// @param {String} key Attribute key.\n\t// @param {*} value Attribute value.\n\t// @param {Boolean} [directChange=true] `true` if the change is caused by `Selection` API, `false` if change\n\t// is caused by `Batch` API.\n\t// @returns {Boolean} Whether value has changed.\n\t_setAttribute( key, value, directChange = true ) {\n\t\tconst priority = directChange ? 'normal' : 'low';\n\n\t\tif ( priority == 'low' && this._attributePriority.get( key ) == 'normal' ) {\n\t\t\t// Priority too low.\n\t\t\treturn false;\n\t\t}\n\n\t\tconst oldValue = super.getAttribute( key );\n\n\t\t// Don't do anything if value has not changed.\n\t\tif ( oldValue === value ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tthis._attrs.set( key, value );\n\n\t\t// Update priorities map.\n\t\tthis._attributePriority.set( key, priority );\n\n\t\treturn true;\n\t}\n\n\t// Internal method for removing `LiveSelection` attribute. Supports attribute priorities (through `directChange`\n\t// parameter).\n\t//\n\t// NOTE: Even if attribute is not present in the selection but is provided to this method, it's priority will\n\t// be changed according to `directChange` parameter.\n\t//\n\t// @private\n\t// @param {String} key Attribute key.\n\t// @param {Boolean} [directChange=true] `true` if the change is caused by `Selection` API, `false` if change\n\t// is caused by `Batch` API.\n\t// @returns {Boolean} Whether attribute was removed. May not be true if such attributes didn't exist or the\n\t// existing attribute had higher priority.\n\t_removeAttribute( key, directChange = true ) {\n\t\tconst priority = directChange ? 'normal' : 'low';\n\n\t\tif ( priority == 'low' && this._attributePriority.get( key ) == 'normal' ) {\n\t\t\t// Priority too low.\n\t\t\treturn false;\n\t\t}\n\n\t\t// Update priorities map.\n\t\tthis._attributePriority.set( key, priority );\n\n\t\t// Don't do anything if value has not changed.\n\t\tif ( !super.hasAttribute( key ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tthis._attrs.delete( key );\n\n\t\treturn true;\n\t}\n\n\t// Internal method for setting multiple `LiveSelection` attributes. Supports attribute priorities (through\n\t// `directChange` parameter).\n\t//\n\t// @private\n\t// @param {Map.<String,*>} attrs Iterable object containing attributes to be set.\n\t// @returns {Set.<String>} Changed attribute keys.\n\t_setAttributesTo( attrs ) {\n\t\tconst changed = new Set();\n\n\t\tfor ( const [ oldKey, oldValue ] of this.getAttributes() ) {\n\t\t\t// Do not remove attribute if attribute with same key and value is about to be set.\n\t\t\tif ( attrs.get( oldKey ) === oldValue ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// All rest attributes will be removed so changed attributes won't change .\n\t\t\tthis._removeAttribute( oldKey, false );\n\t\t}\n\n\t\tfor ( const [ key, value ] of attrs ) {\n\t\t\t// Attribute may not be set because of attributes or because same key/value is already added.\n\t\t\tconst gotAdded = this._setAttribute( key, value, false );\n\n\t\t\tif ( gotAdded ) {\n\t\t\t\tchanged.add( key );\n\t\t\t}\n\t\t}\n\n\t\treturn changed;\n\t}\n\n\t// Returns an iterable that iterates through all selection attributes stored in current selection's parent.\n\t//\n\t// @protected\n\t// @returns {Iterable.<*>}\n\t* _getStoredAttributes() {\n\t\tconst selectionParent = this.getFirstPosition().parent;\n\n\t\tif ( this.isCollapsed && selectionParent.isEmpty ) {\n\t\t\tfor ( const key of selectionParent.getAttributeKeys() ) {\n\t\t\t\tif ( key.startsWith( storePrefix ) ) {\n\t\t\t\t\tconst realKey = key.substr( storePrefix.length );\n\n\t\t\t\t\tyield [ realKey, selectionParent.getAttribute( key ) ];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// Checks model text nodes that are closest to the selection's first position and returns attributes of first\n\t// found element. If there are no text nodes in selection's first position parent, it returns selection\n\t// attributes stored in that parent.\n\t//\n\t// @private\n\t// @returns {Iterable.<*>} Collection of attributes.\n\t_getSurroundingAttributes() {\n\t\tconst position = this.getFirstPosition();\n\t\tconst schema = this._model.schema;\n\n\t\tlet attrs = null;\n\n\t\tif ( !this.isCollapsed ) {\n\t\t\t// 1. If selection is a range...\n\t\t\tconst range = this.getFirstRange();\n\n\t\t\t// ...look for a first character node in that range and take attributes from it.\n\t\t\tfor ( const value of range ) {\n\t\t\t\t// If the item is an object, we don't want to get attributes from its children.\n\t\t\t\tif ( value.item.is( 'element' ) && schema.isObject( value.item ) ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tif ( value.type == 'text' ) {\n\t\t\t\t\tattrs = value.item.getAttributes();\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\t// 2. If the selection is a caret or the range does not contain a character node...\n\n\t\t\tconst nodeBefore = position.textNode ? position.textNode : position.nodeBefore;\n\t\t\tconst nodeAfter = position.textNode ? position.textNode : position.nodeAfter;\n\n\t\t\t// When gravity is overridden then don't take node before into consideration.\n\t\t\tif ( !this.isGravityOverridden ) {\n\t\t\t\t// ...look at the node before caret and take attributes from it if it is a character node.\n\t\t\t\tattrs = getAttrsIfCharacter( nodeBefore );\n\t\t\t}\n\n\t\t\t// 3. If not, look at the node after caret...\n\t\t\tif ( !attrs ) {\n\t\t\t\tattrs = getAttrsIfCharacter( nodeAfter );\n\t\t\t}\n\n\t\t\t// 4. If not, try to find the first character on the left, that is in the same node.\n\t\t\t// When gravity is overridden then don't take node before into consideration.\n\t\t\tif ( !this.isGravityOverridden && !attrs ) {\n\t\t\t\tlet node = nodeBefore;\n\n\t\t\t\twhile ( node && !schema.isInline( node ) && !attrs ) {\n\t\t\t\t\tnode = node.previousSibling;\n\t\t\t\t\tattrs = getAttrsIfCharacter( node );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// 5. If not found, try to find the first character on the right, that is in the same node.\n\t\t\tif ( !attrs ) {\n\t\t\t\tlet node = nodeAfter;\n\n\t\t\t\twhile ( node && !schema.isInline( node ) && !attrs ) {\n\t\t\t\t\tnode = node.nextSibling;\n\t\t\t\t\tattrs = getAttrsIfCharacter( node );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// 6. If not found, selection should retrieve attributes from parent.\n\t\t\tif ( !attrs ) {\n\t\t\t\tattrs = this._getStoredAttributes();\n\t\t\t}\n\t\t}\n\n\t\treturn attrs;\n\t}\n\n\t// Fixes the selection after all its ranges got removed.\n\t//\n\t// @private\n\t// @param {module:engine/model/position~Position} deletionPosition Position where the deletion happened.\n\t_fixGraveyardSelection( deletionPosition ) {\n\t\t// Find a range that is a correct selection range and is closest to the position where the deletion happened.\n\t\tconst selectionRange = this._model.schema.getNearestSelectionRange( deletionPosition );\n\n\t\t// If nearest valid selection range has been found - add it in the place of old range.\n\t\tif ( selectionRange ) {\n\t\t\t// Check the range, convert it to live range, bind events, etc.\n\t\t\tthis._pushRange( selectionRange );\n\t\t}\n\t\t// If nearest valid selection range cannot be found don't add any range. Selection will be set to the default range.\n\t}\n}\n\n// Helper function for {@link module:engine/model/liveselection~LiveSelection#_updateAttributes}.\n//\n// It takes model item, checks whether it is a text node (or text proxy) and, if so, returns it's attributes. If not, returns `null`.\n//\n// @param {module:engine/model/item~Item|null}  node\n// @returns {Boolean}\nfunction getAttrsIfCharacter( node ) {\n\tif ( node instanceof TextProxy || node instanceof Text ) {\n\t\treturn node.getAttributes();\n\t}\n\n\treturn null;\n}\n\n// Removes selection attributes from element which is not empty anymore.\n//\n// @param {module:engine/model/model~Model} model\n// @param {module:engine/model/batch~Batch} batch\nfunction clearAttributesStoredInElement( model, batch ) {\n\tconst differ = model.document.differ;\n\n\tfor ( const entry of differ.getChanges() ) {\n\t\tif ( entry.type != 'insert' ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst changeParent = entry.position.parent;\n\t\tconst isNoLongerEmpty = entry.length === changeParent.maxOffset;\n\n\t\tif ( isNoLongerEmpty ) {\n\t\t\tmodel.enqueueChange( batch, writer => {\n\t\t\t\tconst storedAttributes = Array.from( changeParent.getAttributeKeys() )\n\t\t\t\t\t.filter( key => key.startsWith( storePrefix ) );\n\n\t\t\t\tfor ( const key of storedAttributes ) {\n\t\t\t\t\twriter.removeAttribute( key, changeParent );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/conversionhelpers\n */\n\n/**\n * Base class for conversion helpers.\n */\nexport default class ConversionHelpers {\n\t/**\n\t * Creates a conversion helpers instance.\n\t *\n\t * @param {Array.<module:engine/conversion/downcastdispatcher~DowncastDispatcher|\n\t * module:engine/conversion/upcastdispatcher~UpcastDispatcher>} dispatchers\n\t */\n\tconstructor( dispatchers ) {\n\t\tthis._dispatchers = dispatchers;\n\t}\n\n\t/**\n\t * Registers a conversion helper.\n\t *\n\t * **Note**: See full usage example in the `{@link module:engine/conversion/conversion~Conversion#for conversion.for()}`\n\t * method description.\n\t *\n\t * @param {Function} conversionHelper The function to be called on event.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers|module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\tadd( conversionHelper ) {\n\t\tfor ( const dispatcher of this._dispatchers ) {\n\t\t\tconversionHelper( dispatcher );\n\t\t}\n\n\t\treturn this;\n\t}\n}\n","import baseClone from './_baseClone.js';\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_DEEP_FLAG = 1,\n    CLONE_SYMBOLS_FLAG = 4;\n\n/**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\nfunction cloneDeep(value) {\n  return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n}\n\nexport default cloneDeep;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Contains downcast (model-to-view) converters for {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}.\n *\n * @module engine/conversion/downcasthelpers\n */\n\nimport ModelRange from '../model/range';\nimport ModelSelection from '../model/selection';\nimport ModelElement from '../model/element';\n\nimport ViewAttributeElement from '../view/attributeelement';\nimport DocumentSelection from '../model/documentselection';\nimport ConversionHelpers from './conversionhelpers';\n\nimport { cloneDeep } from 'lodash-es';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\n/**\n * Downcast conversion helper functions.\n *\n * @extends module:engine/conversion/conversionhelpers~ConversionHelpers\n */\nexport default class DowncastHelpers extends ConversionHelpers {\n\t/**\n\t * Model element to view element conversion helper.\n\t *\n\t * This conversion results in creating a view element. For example, model `<paragraph>Foo</paragraph>` becomes `<p>Foo</p>` in the view.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'paragraph',\n\t *\t\t\tview: 'p'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'paragraph',\n\t *\t\t\tview: 'div',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'fancyParagraph',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'p',\n\t *\t\t\t\tclasses: 'fancy'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'heading',\n\t *\t\t\tview: ( modelElement, conversionApi ) => {\n\t *\t\t\t\tconst { writer } = conversionApi;\n\t *\n\t *\t\t\t\treturn writer.createContainerElement( 'h' + modelElement.getAttribute( 'level' ) );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * The element-to-element conversion supports the reconversion mechanism. This is helpful in the conversion to complex view structures\n\t * where multiple atomic element-to-element and attribute-to-attribute or attribute-to-element could be used. By specifying\n\t * `triggerBy()` events you can trigger reconverting the model to full view tree structures at once.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'complex',\n\t *\t\t\tview: ( modelElement, conversionApi ) => createComplexViewFromModel( modelElement, conversionApi ),\n\t *\t\t\ttriggerBy: {\n\t *\t\t\t\tattributes: [ 'foo', 'bar' ],\n\t *\t\t\t\tchildren: [ 'slot' ]\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * You can read more about element-to-element conversion in the\n\t * {@glink framework/guides/deep-dive/conversion/custom-element-conversion Custom element conversion} guide.\n\t *\n\t * @method #elementToElement\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.model The name of the model element to convert.\n\t * @param {module:engine/view/elementdefinition~ElementDefinition|Function} config.view A view element definition or a function\n\t * that takes the model element and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as parameters and returns a view container element.\n\t * @param {Object} [config.triggerBy] Reconversion triggers. At least one trigger must be defined.\n\t * @param {Array.<String>} config.triggerBy.attributes The name of the element's attributes whose change will trigger element\n\t * reconversion.\n\t * @param {Array.<String>} config.triggerBy.children The name of direct children whose adding or removing will trigger element\n\t * reconversion.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\telementToElement( config ) {\n\t\treturn this.add( downcastElementToElement( config ) );\n\t}\n\n\t/**\n\t * Model attribute to view element conversion helper.\n\t *\n\t * This conversion results in wrapping view nodes with a view attribute element. For example, a model text node with\n\t * `\"Foo\"` as data and the `bold` attribute becomes `<strong>Foo</strong>` in the view.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: 'strong'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: 'b',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: 'invert',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tclasses: [ 'font-light', 'bg-dark' ]\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'fontSize',\n\t *\t\t\t\tvalues: [ 'big', 'small' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tbig: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-size': '1.2em'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tsmall: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-size': '0.8em'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: ( modelAttributeValue, conversionApi ) => {\n\t *\t\t\t\tconst { writer } = conversionApi;\n\t *\n\t *\t\t\t\treturn writer.createAttributeElement( 'span', {\n\t *\t\t\t\t\tstyle: 'font-weight:' + modelAttributeValue\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'color',\n\t *\t\t\t\tname: '$text'\n\t *\t\t\t},\n\t *\t\t\tview: ( modelAttributeValue, conversionApi ) => {\n\t *\t\t\t\tconst { writer } = conversionApi;\n\t *\n\t *\t\t\t\treturn writer.createAttributeElement( 'span', {\n\t *\t\t\t\t\tstyle: 'color:' + modelAttributeValue\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #attributeToElement\n\t * @param {Object} config Conversion configuration.\n\t * @param {String|Object} config.model The key of the attribute to convert from or a `{ key, values }` object. `values` is an array\n\t * of `String`s with possible values if the model attribute is an enumerable.\n\t * @param {module:engine/view/elementdefinition~ElementDefinition|Function|Object} config.view A view element definition or a function\n\t * that takes the model attribute value and\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API} as parameters and returns a view\n\t * attribute element. If `config.model.values` is given, `config.view` should be an object assigning values from `config.model.values`\n\t * to view element definitions or functions.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tattributeToElement( config ) {\n\t\treturn this.add( downcastAttributeToElement( config ) );\n\t}\n\n\t/**\n\t * Model attribute to view attribute conversion helper.\n\t *\n\t * This conversion results in adding an attribute to a view node, basing on an attribute from a model node. For example,\n\t * `<image src='foo.jpg'></image>` is converted to `<img src='foo.jpg'></img>`.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: 'source',\n\t *\t\t\tview: 'src'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: 'source',\n\t *\t\t\tview: 'href',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tname: 'image',\n\t *\t\t\t\tkey: 'source'\n\t *\t\t\t},\n\t *\t\t\tview: 'src'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tname: 'styled',\n\t *\t\t\t\tvalues: [ 'dark', 'light' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tdark: {\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: [ 'styled', 'styled-dark' ]\n\t *\t\t\t\t},\n\t *\t\t\t\tlight: {\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: [ 'styled', 'styled-light' ]\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: 'styled',\n\t *\t\t\tview: modelAttributeValue => ( {\n\t *\t\t\t\tkey: 'class',\n\t *\t\t\t\tvalue: 'styled-' + modelAttributeValue\n\t *\t\t\t} )\n\t *\t\t} );\n\t *\n\t * **Note**: Downcasting to a style property requires providing `value` as an object:\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: 'lineHeight',\n\t *\t\t\tview: modelAttributeValue => ( {\n\t *\t\t\t\tkey: 'style',\n\t *\t\t\t\tvalue: {\n\t *\t\t\t\t\t'line-height': modelAttributeValue,\n\t *\t\t\t\t\t'border-bottom': '1px dotted #ba2'\n\t *\t\t\t\t}\n\t *\t\t\t} )\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #attributeToAttribute\n\t * @param {Object} config Conversion configuration.\n\t * @param {String|Object} config.model The key of the attribute to convert from or a `{ key, values, [ name ] }` object describing\n\t * the attribute key, possible values and, optionally, an element name to convert from.\n\t * @param {String|Object|Function} config.view A view attribute key, or a `{ key, value }` object or a function that takes\n\t * the model attribute value and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as parameters and returns a `{ key, value }` object. If `key` is `'class'`, `value` can be a `String` or an\n\t * array of `String`s. If `key` is `'style'`, `value` is an object with key-value pairs. In other cases, `value` is a `String`.\n\t * If `config.model.values` is set, `config.view` should be an object assigning values from `config.model.values` to\n\t * `{ key, value }` objects or a functions.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tattributeToAttribute( config ) {\n\t\treturn this.add( downcastAttributeToAttribute( config ) );\n\t}\n\n\t/**\n\t * Model marker to view element conversion helper.\n\t *\n\t * **Note**: This method should be used only for editing downcast. For data downcast, use\n\t * {@link #markerToData `#markerToData()`} that produces valid HTML data.\n\t *\n\t * This conversion results in creating a view element on the boundaries of the converted marker. If the converted marker\n\t * is collapsed, only one element is created. For example, model marker set like this: `<paragraph>F[oo b]ar</paragraph>`\n\t * becomes `<p>F<span data-marker=\"search\"></span>oo b<span data-marker=\"search\"></span>ar</p>` in the view.\n\t *\n\t *\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tview: 'marker-search'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tview: 'search-result',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tattributes: {\n\t *\t\t\t\t\t'data-marker': 'search'\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tview: ( markerData, conversionApi ) => {\n\t *\t\t\t\tconst { writer } = conversionApi;\n\t *\n\t *\t\t\t\treturn writer.createUIElement( 'span', {\n\t *\t\t\t\t\t'data-marker': 'search',\n\t *\t\t\t\t\t'data-start': markerData.isOpening\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * If a function is passed as the `config.view` parameter, it will be used to generate both boundary elements. The function\n\t * receives the `data` object and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as a parameters and should return an instance of the\n\t * {@link module:engine/view/uielement~UIElement view UI element}. The `data` object and\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi `conversionApi`} are passed from\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker}. Additionally,\n\t * the `data.isOpening` parameter is passed, which is set to `true` for the marker start boundary element, and `false` to\n\t * the marker end boundary element.\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #markerToElement\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.model The name of the model marker (or model marker group) to convert.\n\t * @param {module:engine/view/elementdefinition~ElementDefinition|Function} config.view A view element definition or a function that\n\t * takes the model marker data and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as a parameters and returns a view UI element.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tmarkerToElement( config ) {\n\t\treturn this.add( downcastMarkerToElement( config ) );\n\t}\n\n\t/**\n\t * Model marker to highlight conversion helper.\n\t *\n\t * This conversion results in creating a highlight on view nodes. For this kind of conversion,\n\t * {@link module:engine/conversion/downcasthelpers~HighlightDescriptor} should be provided.\n\t *\n\t * For text nodes, a `<span>` {@link module:engine/view/attributeelement~AttributeElement} is created and it wraps all text nodes\n\t * in the converted marker range. For example, a model marker set like this: `<paragraph>F[oo b]ar</paragraph>` becomes\n\t * `<p>F<span class=\"comment\">oo b</span>ar</p>` in the view.\n\t *\n\t * {@link module:engine/view/containerelement~ContainerElement} may provide a custom way of handling highlight. Most often,\n\t * the element itself is given classes and attributes described in the highlight descriptor (instead of being wrapped in `<span>`).\n\t * For example, a model marker set like this: `[<image src=\"foo.jpg\"></image>]` becomes `<img src=\"foo.jpg\" class=\"comment\"></img>`\n\t * in the view.\n\t *\n\t * For container elements, the conversion is two-step. While the converter processes the highlight descriptor and passes it\n\t * to a container element, it is the container element instance itself that applies values from the highlight descriptor.\n\t * So, in a sense, the converter takes care of stating what should be applied on what, while the element decides how to apply that.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).markerToHighlight( { model: 'comment', view: { classes: 'comment' } } );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).markerToHighlight( {\n\t *\t\t\tmodel: 'comment',\n\t *\t\t\tview: { classes: 'new-comment' },\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).markerToHighlight( {\n\t *\t\t\tmodel: 'comment',\n\t *\t\t\tview: ( data, converstionApi ) => {\n\t *\t\t\t\t// Assuming that the marker name is in a form of comment:commentType.\n\t *\t\t\t\tconst commentType = data.markerName.split( ':' )[ 1 ];\n\t *\n\t *\t\t\t\treturn {\n\t *\t\t\t\t\tclasses: [ 'comment', 'comment-' + commentType ]\n\t *\t\t\t\t};\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * If a function is passed as the `config.view` parameter, it will be used to generate the highlight descriptor. The function\n\t * receives the `data` object and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as a parameters and should return a\n\t * {@link module:engine/conversion/downcasthelpers~HighlightDescriptor highlight descriptor}.\n\t * The `data` object properties are passed from {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker}.\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #markerToHighlight\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.model The name of the model marker (or model marker group) to convert.\n\t * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} config.view A highlight descriptor\n\t * that will be used for highlighting or a function that takes the model marker data and\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API} as a parameters\n\t * and returns a highlight descriptor.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tmarkerToHighlight( config ) {\n\t\treturn this.add( downcastMarkerToHighlight( config ) );\n\t}\n\n\t/**\n\t * Model marker converter for data downcast.\n\t *\n\t * This conversion creates a representation for model marker boundaries in the view:\n\t *\n\t * * If the marker boundary is at a position where text nodes are allowed, then a view element with the specified tag name\n\t * and `name` attribute is added at this position.\n\t * * In other cases, a specified attribute is set on a view element that is before or after the marker boundary.\n\t *\n\t * Typically, marker names use the `group:uniqueId:otherData` convention. For example: `comment:e34zfk9k2n459df53sjl34:zx32c`.\n\t * The default configuration for this conversion is that the first part is the `group` part and the rest of\n\t * the marker name becomes the `name` part.\n\t *\n\t * Tag and attribute names and values are generated from the marker name:\n\t *\n\t * * Templates for attributes are `data-[group]-start-before=\"[name]\"`, `data-[group]-start-after=\"[name]\"`,\n\t * `data-[group]-end-before=\"[name]\"` and `data-[group]-end-after=\"[name]\"`.\n\t * * Templates for view elements are `<[group]-start name=\"[name]\">` and `<[group]-end name=\"[name]\">`.\n\t *\n\t * Attributes mark whether the given marker's start or end boundary is before or after the given element.\n\t * Attributes `data-[group]-start-before` and `data-[group]-end-after` are favored.\n\t * The other two are used when the former two cannot be used.\n\t *\n\t * The conversion configuration can take a function that will generate different group and name parts.\n\t * If such function is set as the `config.view` parameter, it is passed a marker name and it is expected to return an object with two\n\t * properties: `group` and `name`. If the function returns a falsy value, the conversion will not take place.\n\t *\n\t * Basic usage:\n\t *\n\t *\t\t// Using the default conversion.\n\t *\t\t// In this case, all markers whose name starts with 'comment:' will be converted.\n\t *\t\t// The `group` parameter will be set to `comment`.\n\t *\t\t// The `name` parameter will be the rest of the marker name (without `:`).\n\t *\t\teditor.conversion.for( 'dataDowncast' ).markerToData( {\n\t *\t\t\tmodel: 'comment'\n\t *\t\t} );\n\t *\n\t * An example of a view that may be generated by this conversion (assuming a marker with the name `comment:commentId:uid` marked\n\t * by `[]`):\n\t *\n\t *\t\t// Model:\n\t *\t\t<paragraph>Foo[bar</paragraph>\n\t *\t\t<image src=\"abc.jpg\"></image>]\n\t *\n\t *\t\t// View:\n\t *\t\t<p>Foo<comment-start name=\"commentId:uid\"></comment-start>bar</p>\n\t *\t\t<figure data-comment-end-after=\"commentId:uid\" class=\"image\"><img src=\"abc.jpg\" /></figure>\n\t *\n\t * In the example above, the comment starts before \"bar\" and ends after the image.\n\t *\n\t * If the `name` part is empty, the following view may be generated:\n\t *\n\t *\t\t<p>Foo <myMarker-start></myMarker-start>bar</p>\n\t *\t\t<figure data-myMarker-end-after=\"\" class=\"image\"><img src=\"abc.jpg\" /></figure>\n\t *\n\t * **Note:** A situation where some markers have the `name` part and some do not have it is incorrect and should be avoided.\n\t *\n\t * Examples where `data-group-start-after` and `data-group-end-before` are used:\n\t *\n\t *\t\t// Model:\n\t *\t\t<blockQuote>[]<paragraph>Foo</paragraph></blockQuote>\n\t *\n\t * \t\t// View:\n\t *\t\t<blockquote><p data-group-end-before=\"name\" data-group-start-before=\"name\">Foo</p></blockquote>\n\t *\n\t * Similarly, when a marker is collapsed after the last element:\n\t *\n\t *\t\t// Model:\n\t *\t\t<blockQuote><paragraph>Foo</paragraph>[]</blockQuote>\n\t *\n\t *\t\t// View:\n\t *\t\t<blockquote><p data-group-end-after=\"name\" data-group-start-after=\"name\">Foo</p></blockquote>\n\t *\n\t * When there are multiple markers from the same group stored in the same attribute of the same element, their\n\t * name parts are put together in the attribute value, for example: `data-group-start-before=\"name1,name2,name3\"`.\n\t *\n\t * Other examples of usage:\n\t *\n\t *\t\t// Using a custom function which is the same as the default conversion:\n\t *\t\teditor.conversion.for( 'dataDowncast' ).markerToData( {\n\t *\t\t\tmodel: 'comment'\n\t *\t\t\tview: markerName => ( {\n\t *\t\t\t\tgroup: 'comment',\n\t *\t\t\t\tname: markerName.substr( 8 ) // Removes 'comment:' part.\n\t *\t\t\t} )\n\t *\t\t} );\n\t *\n\t *\t\t// Using the converter priority:\n\t *\t\teditor.conversion.for( 'dataDowncast' ).markerToData( {\n\t *\t\t\tmodel: 'comment'\n\t *\t\t\tview: markerName => ( {\n\t *\t\t\t\tgroup: 'comment',\n\t *\t\t\t\tname: markerName.substr( 8 ) // Removes 'comment:' part.\n\t *\t\t\t} ),\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t * This kind of conversion is useful for saving data into the database, so it should be used in the data conversion pipeline.\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #markerToData\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.model The name of the model marker (or model marker group) to convert.\n\t * @param {Function} [config.view] A function that takes the model marker name and\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API} as a parameters\n\t * and returns an object with the `group` and `name` properties.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tmarkerToData( config ) {\n\t\treturn this.add( downcastMarkerToData( config ) );\n\t}\n}\n\n/**\n * Function factory that creates a default downcast converter for text insertion changes.\n *\n * The converter automatically consumes the corresponding value from the consumables list and stops the event (see\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}).\n *\n *\t\tmodelDispatcher.on( 'insert:$text', insertText() );\n *\n * @returns {Function} Insert text event converter.\n */\nexport function insertText() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !conversionApi.consumable.consume( data.item, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\t\tconst viewText = viewWriter.createText( data.item.data );\n\n\t\tviewWriter.insert( viewPosition, viewText );\n\t};\n}\n\n/**\n * Function factory that creates a default downcast converter for node remove changes.\n *\n *\t\tmodelDispatcher.on( 'remove', remove() );\n *\n * @returns {Function} Remove event converter.\n */\nexport function remove() {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Find view range start position by mapping model position at which the remove happened.\n\t\tconst viewStart = conversionApi.mapper.toViewPosition( data.position );\n\n\t\tconst modelEnd = data.position.getShiftedBy( data.length );\n\t\tconst viewEnd = conversionApi.mapper.toViewPosition( modelEnd, { isPhantom: true } );\n\n\t\tconst viewRange = conversionApi.writer.createRange( viewStart, viewEnd );\n\n\t\t// Trim the range to remove in case some UI elements are on the view range boundaries.\n\t\tconst removed = conversionApi.writer.remove( viewRange.getTrimmed() );\n\n\t\t// After the range is removed, unbind all view elements from the model.\n\t\t// Range inside view document fragment is used to unbind deeply.\n\t\tfor ( const child of conversionApi.writer.createRangeIn( removed ).getItems() ) {\n\t\t\tconversionApi.mapper.unbindViewElement( child );\n\t\t}\n\t};\n}\n\n/**\n * Creates a `<span>` {@link module:engine/view/attributeelement~AttributeElement view attribute element} from the information\n * provided by the {@link module:engine/conversion/downcasthelpers~HighlightDescriptor highlight descriptor} object. If a priority\n * is not provided in the descriptor, the default priority will be used.\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} descriptor\n * @returns {module:engine/view/attributeelement~AttributeElement}\n */\nexport function createViewElementFromHighlightDescriptor( writer, descriptor ) {\n\tconst viewElement = writer.createAttributeElement( 'span', descriptor.attributes );\n\n\tif ( descriptor.classes ) {\n\t\tviewElement._addClass( descriptor.classes );\n\t}\n\n\tif ( descriptor.priority ) {\n\t\tviewElement._priority = descriptor.priority;\n\t}\n\n\tviewElement._id = descriptor.id;\n\n\treturn viewElement;\n}\n\n/**\n * Function factory that creates a converter which converts a non-collapsed {@link module:engine/model/selection~Selection model selection}\n * to a {@link module:engine/view/documentselection~DocumentSelection view selection}. The converter consumes appropriate\n * value from the `consumable` object and maps model positions from the selection to view positions.\n *\n *\t\tmodelDispatcher.on( 'selection', convertRangeSelection() );\n *\n * @returns {Function} Selection converter.\n */\nexport function convertRangeSelection() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst selection = data.selection;\n\n\t\tif ( selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( selection, 'selection' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewRanges = [];\n\n\t\tfor ( const range of selection.getRanges() ) {\n\t\t\tconst viewRange = conversionApi.mapper.toViewRange( range );\n\t\t\tviewRanges.push( viewRange );\n\t\t}\n\n\t\tconversionApi.writer.setSelection( viewRanges, { backward: selection.isBackward } );\n\t};\n}\n\n/**\n * Function factory that creates a converter which converts a collapsed {@link module:engine/model/selection~Selection model selection} to\n * a {@link module:engine/view/documentselection~DocumentSelection view selection}. The converter consumes appropriate\n * value from the `consumable` object, maps the model selection position to the view position and breaks\n * {@link module:engine/view/attributeelement~AttributeElement attribute elements} at the selection position.\n *\n *\t\tmodelDispatcher.on( 'selection', convertCollapsedSelection() );\n *\n * An example of the view state before and after converting the collapsed selection:\n *\n *\t\t   <p><strong>f^oo<strong>bar</p>\n *\t\t-> <p><strong>f</strong>^<strong>oo</strong>bar</p>\n *\n * By breaking attribute elements like `<strong>`, the selection is in a correct element. Then, when the selection attribute is\n * converted, broken attributes might be merged again, or the position where the selection is may be wrapped\n * with different, appropriate attribute elements.\n *\n * See also {@link module:engine/conversion/downcasthelpers~clearAttributes} which does a clean-up\n * by merging attributes.\n *\n * @returns {Function} Selection converter.\n */\nexport function convertCollapsedSelection() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst selection = data.selection;\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( selection, 'selection' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst modelPosition = selection.getFirstPosition();\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( modelPosition );\n\t\tconst brokenPosition = viewWriter.breakAttributes( viewPosition );\n\n\t\tviewWriter.setSelection( brokenPosition );\n\t};\n}\n\n/**\n * Function factory that creates a converter which clears artifacts after the previous\n * {@link module:engine/model/selection~Selection model selection} conversion. It removes all empty\n * {@link module:engine/view/attributeelement~AttributeElement view attribute elements} and merges sibling attributes at all start and end\n * positions of all ranges.\n *\n *\t\t   <p><strong>^</strong></p>\n *\t\t-> <p>^</p>\n *\n *\t\t   <p><strong>foo</strong>^<strong>bar</strong>bar</p>\n *\t\t-> <p><strong>foo^bar<strong>bar</p>\n *\n *\t\t   <p><strong>foo</strong><em>^</em><strong>bar</strong>bar</p>\n *\t\t-> <p><strong>foo^bar<strong>bar</p>\n *\n * This listener should be assigned before any converter for the new selection:\n *\n *\t\tmodelDispatcher.on( 'selection', clearAttributes() );\n *\n * See {@link module:engine/conversion/downcasthelpers~convertCollapsedSelection}\n * which does the opposite by breaking attributes in the selection position.\n *\n * @returns {Function} Selection converter.\n */\nexport function clearAttributes() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\tfor ( const range of viewSelection.getRanges() ) {\n\t\t\t// Not collapsed selection should not have artifacts.\n\t\t\tif ( range.isCollapsed ) {\n\t\t\t\t// Position might be in the node removed by the view writer.\n\t\t\t\tif ( range.end.parent.isAttached() ) {\n\t\t\t\t\tconversionApi.writer.mergeAttributes( range.start );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tviewWriter.setSelection( null );\n\t};\n}\n\n/**\n * Function factory that creates a converter which converts set/change/remove attribute changes from the model to the view.\n * It can also be used to convert selection attributes. In that case, an empty attribute element will be created and the\n * selection will be put inside it.\n *\n * Attributes from the model are converted to a view element that will be wrapping these view nodes that are bound to\n * model elements having the given attribute. This is useful for attributes like `bold` that may be set on text nodes in the model\n * but are represented as an element in the view:\n *\n *\t\t[paragraph]              MODEL ====> VIEW        <p>\n *\t\t\t|- a {bold: true}                             |- <b>\n *\t\t\t|- b {bold: true}                             |   |- ab\n *\t\t\t|- c                                          |- c\n *\n * Passed `Function` will be provided with the attribute value and then all the parameters of the\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute `attribute` event}.\n * It is expected that the function returns an {@link module:engine/view/element~Element}.\n * The result of the function will be the wrapping element.\n * When the provided `Function` does not return any element, no conversion will take place.\n *\n * The converter automatically consumes the corresponding value from the consumables list and stops the event (see\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}).\n *\n *\t\tmodelDispatcher.on( 'attribute:bold', wrap( ( modelAttributeValue, { writer } ) => {\n *\t\t\treturn writer.createAttributeElement( 'strong' );\n *\t\t} );\n *\n * @protected\n * @param {Function} elementCreator Function returning a view element that will be used for wrapping.\n * @returns {Function} Set/change attribute converter.\n */\nexport function wrap( elementCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Recreate current wrapping node. It will be used to unwrap view range if the attribute value has changed\n\t\t// or the attribute was removed.\n\t\tconst oldViewElement = elementCreator( data.attributeOldValue, conversionApi );\n\n\t\t// Create node to wrap with.\n\t\tconst newViewElement = elementCreator( data.attributeNewValue, conversionApi );\n\n\t\tif ( !oldViewElement && !newViewElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\tif ( data.item instanceof ModelSelection || data.item instanceof DocumentSelection ) {\n\t\t\t// Selection attribute conversion.\n\t\t\tviewWriter.wrap( viewSelection.getFirstRange(), newViewElement );\n\t\t} else {\n\t\t\t// Node attribute conversion.\n\t\t\tlet viewRange = conversionApi.mapper.toViewRange( data.range );\n\n\t\t\t// First, unwrap the range from current wrapper.\n\t\t\tif ( data.attributeOldValue !== null && oldViewElement ) {\n\t\t\t\tviewRange = viewWriter.unwrap( viewRange, oldViewElement );\n\t\t\t}\n\n\t\t\tif ( data.attributeNewValue !== null && newViewElement ) {\n\t\t\t\tviewWriter.wrap( viewRange, newViewElement );\n\t\t\t}\n\t\t}\n\t};\n}\n\n/**\n * Function factory that creates a converter which converts node insertion changes from the model to the view.\n * The function passed will be provided with all the parameters of the dispatcher's\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert `insert` event}.\n * It is expected that the function returns an {@link module:engine/view/element~Element}.\n * The result of the function will be inserted into the view.\n *\n * The converter automatically consumes the corresponding value from the consumables list, stops the event (see\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}) and binds the model and view elements.\n *\n *\t\tdowncastDispatcher.on(\n *\t\t\t'insert:myElem',\n *\t\t\tinsertElement( ( modelItem, { writer } ) => {\n *\t\t\t\tconst text = writer.createText( 'myText' );\n *\t\t\t\tconst myElem = writer.createElement( 'myElem', { myAttr: 'my-' + modelItem.getAttribute( 'myAttr' ) }, text );\n *\n *\t\t\t\t// Do something fancy with `myElem` using `modelItem` or other parameters.\n *\n *\t\t\t\treturn myElem;\n *\t\t\t}\n *\t\t) );\n *\n * @protected\n * @param {Function} elementCreator Function returning a view element, which will be inserted.\n * @returns {Function} Insert element event converter.\n */\nexport function insertElement( elementCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewElement = elementCreator( data.item, conversionApi );\n\n\t\tif ( !viewElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\n\t\tconversionApi.mapper.bindElements( data.item, viewElement );\n\t\tconversionApi.writer.insert( viewPosition, viewElement );\n\t};\n}\n\n/**\n * Function factory that creates a converter which converts marker adding change to the\n * {@link module:engine/view/uielement~UIElement view UI element}.\n *\n * The view UI element that will be added to the view depends on the passed parameter. See {@link ~insertElement}.\n * In case of a non-collapsed range, the UI element will not wrap nodes but separate elements will be placed at the beginning\n * and at the end of the range.\n *\n * This converter binds created UI elements with the marker name using {@link module:engine/conversion/mapper~Mapper#bindElementToMarker}.\n *\n * @protected\n * @param {module:engine/view/uielement~UIElement|Function} elementCreator A view UI element or a function returning the view element\n * that will be inserted.\n * @returns {Function} Insert element event converter.\n */\nexport function insertUIElement( elementCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Create two view elements. One will be inserted at the beginning of marker, one at the end.\n\t\t// If marker is collapsed, only \"opening\" element will be inserted.\n\t\tdata.isOpening = true;\n\t\tconst viewStartElement = elementCreator( data, conversionApi );\n\n\t\tdata.isOpening = false;\n\t\tconst viewEndElement = elementCreator( data, conversionApi );\n\n\t\tif ( !viewStartElement || !viewEndElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst markerRange = data.markerRange;\n\n\t\t// Marker that is collapsed has consumable build differently that non-collapsed one.\n\t\t// For more information see `addMarker` event description.\n\t\t// If marker's range is collapsed - check if it can be consumed.\n\t\tif ( markerRange.isCollapsed && !conversionApi.consumable.consume( markerRange, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If marker's range is not collapsed - consume all items inside.\n\t\tfor ( const value of markerRange ) {\n\t\t\tif ( !conversionApi.consumable.consume( value.item, evt.name ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\tconst mapper = conversionApi.mapper;\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\t// Add \"opening\" element.\n\t\tviewWriter.insert( mapper.toViewPosition( markerRange.start ), viewStartElement );\n\t\tconversionApi.mapper.bindElementToMarker( viewStartElement, data.markerName );\n\n\t\t// Add \"closing\" element only if range is not collapsed.\n\t\tif ( !markerRange.isCollapsed ) {\n\t\t\tviewWriter.insert( mapper.toViewPosition( markerRange.end ), viewEndElement );\n\t\t\tconversionApi.mapper.bindElementToMarker( viewEndElement, data.markerName );\n\t\t}\n\n\t\tevt.stop();\n\t};\n}\n\n// Function factory that returns a default downcast converter for removing a {@link module:engine/view/uielement~UIElement UI element}\n// based on marker remove change.\n//\n// This converter unbinds elements from the marker name.\n//\n// @returns {Function} Removed UI element converter.\nfunction removeUIElement() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst elements = conversionApi.mapper.markerNameToElements( data.markerName );\n\n\t\tif ( !elements ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const element of elements ) {\n\t\t\tconversionApi.mapper.unbindElementFromMarkerName( element, data.markerName );\n\t\t\tconversionApi.writer.clear( conversionApi.writer.createRangeOn( element ), element );\n\t\t}\n\n\t\tconversionApi.writer.clearClonedElementsGroup( data.markerName );\n\n\t\tevt.stop();\n\t};\n}\n\n// Function factory that creates a default converter for model markers.\n//\n// See {@link DowncastHelpers#markerToData} for more information what type of view is generated.\n//\n// This converter binds created UI elements and affected view elements with the marker name\n// using {@link module:engine/conversion/mapper~Mapper#bindElementToMarker}.\n//\n// @returns {Function} Add marker converter.\nfunction insertMarkerData( viewCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewMarkerData = viewCreator( data.markerName, conversionApi );\n\n\t\tif ( !viewMarkerData ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst markerRange = data.markerRange;\n\n\t\tif ( !conversionApi.consumable.consume( markerRange, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Adding closing data first to keep the proper order in the view.\n\t\thandleMarkerBoundary( markerRange, false, conversionApi, data, viewMarkerData );\n\t\thandleMarkerBoundary( markerRange, true, conversionApi, data, viewMarkerData );\n\n\t\tevt.stop();\n\t};\n}\n\n// Helper function for `insertMarkerData()` that marks a marker boundary at the beginning or end of given `range`.\nfunction handleMarkerBoundary( range, isStart, conversionApi, data, viewMarkerData ) {\n\tconst modelPosition = isStart ? range.start : range.end;\n\tconst canInsertElement = conversionApi.schema.checkChild( modelPosition, '$text' );\n\n\tif ( canInsertElement ) {\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( modelPosition );\n\n\t\tinsertMarkerAsElement( viewPosition, isStart, conversionApi, data, viewMarkerData );\n\t} else {\n\t\tlet modelElement;\n\t\tlet isBefore;\n\n\t\t// If possible, we want to add `data-group-start-before` and `data-group-end-after` attributes.\n\t\t// Below `if` is constructed in a way that will favor adding these attributes.\n\t\t//\n\t\t// Also, I assume that there will be always an element either after or before the position.\n\t\t// If not, then it is a case when we are not in a position where text is allowed and also there are no elements around...\n\t\tif ( isStart && modelPosition.nodeAfter || !isStart && !modelPosition.nodeBefore ) {\n\t\t\tmodelElement = modelPosition.nodeAfter;\n\t\t\tisBefore = true;\n\t\t} else {\n\t\t\tmodelElement = modelPosition.nodeBefore;\n\t\t\tisBefore = false;\n\t\t}\n\n\t\tconst viewElement = conversionApi.mapper.toViewElement( modelElement );\n\n\t\tinsertMarkerAsAttribute( viewElement, isStart, isBefore, conversionApi, data, viewMarkerData );\n\t}\n}\n\n// Helper function for `insertMarkerData()` that marks a marker boundary in the view as an attribute on a view element.\nfunction insertMarkerAsAttribute( viewElement, isStart, isBefore, conversionApi, data, viewMarkerData ) {\n\tconst attributeName = `data-${ viewMarkerData.group }-${ isStart ? 'start' : 'end' }-${ isBefore ? 'before' : 'after' }`;\n\n\tconst markerNames = viewElement.hasAttribute( attributeName ) ? viewElement.getAttribute( attributeName ).split( ',' ) : [];\n\n\t// Adding marker name at the beginning to have the same order in the attribute as there is with marker elements.\n\tmarkerNames.unshift( viewMarkerData.name );\n\n\tconversionApi.writer.setAttribute( attributeName, markerNames.join( ',' ), viewElement );\n\tconversionApi.mapper.bindElementToMarker( viewElement, data.markerName );\n}\n\n// Helper function for `insertMarkerData()` that marks a marker boundary in the view as a separate view ui element.\nfunction insertMarkerAsElement( position, isStart, conversionApi, data, viewMarkerData ) {\n\tconst viewElementName = `${ viewMarkerData.group }-${ isStart ? 'start' : 'end' }`;\n\n\tconst attrs = viewMarkerData.name ? { 'name': viewMarkerData.name } : null;\n\tconst viewElement = conversionApi.writer.createUIElement( viewElementName, attrs );\n\n\tconversionApi.writer.insert( position, viewElement );\n\tconversionApi.mapper.bindElementToMarker( viewElement, data.markerName );\n}\n\n// Function factory that creates a converter for removing a model marker data added by the {@link #insertMarkerData} converter.\n//\n// @returns {Function} Remove marker converter.\nfunction removeMarkerData( viewCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewData = viewCreator( data.markerName, conversionApi );\n\n\t\tif ( !viewData ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst elements = conversionApi.mapper.markerNameToElements( data.markerName );\n\n\t\tif ( !elements ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const element of elements ) {\n\t\t\tconversionApi.mapper.unbindElementFromMarkerName( element, data.markerName );\n\n\t\t\tif ( element.is( 'containerElement' ) ) {\n\t\t\t\tremoveMarkerFromAttribute( `data-${ viewData.group }-start-before`, element );\n\t\t\t\tremoveMarkerFromAttribute( `data-${ viewData.group }-start-after`, element );\n\t\t\t\tremoveMarkerFromAttribute( `data-${ viewData.group }-end-before`, element );\n\t\t\t\tremoveMarkerFromAttribute( `data-${ viewData.group }-end-after`, element );\n\t\t\t} else {\n\t\t\t\tconversionApi.writer.clear( conversionApi.writer.createRangeOn( element ), element );\n\t\t\t}\n\t\t}\n\n\t\tconversionApi.writer.clearClonedElementsGroup( data.markerName );\n\n\t\tevt.stop();\n\n\t\tfunction removeMarkerFromAttribute( attributeName, element ) {\n\t\t\tif ( element.hasAttribute( attributeName ) ) {\n\t\t\t\tconst markerNames = new Set( element.getAttribute( attributeName ).split( ',' ) );\n\t\t\t\tmarkerNames.delete( viewData.name );\n\n\t\t\t\tif ( markerNames.size == 0 ) {\n\t\t\t\t\tconversionApi.writer.removeAttribute( attributeName, element );\n\t\t\t\t} else {\n\t\t\t\t\tconversionApi.writer.setAttribute( attributeName, Array.from( markerNames ).join( ',' ), element );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Function factory that creates a converter which converts set/change/remove attribute changes from the model to the view.\n//\n// Attributes from the model are converted to the view element attributes in the view. You may provide a custom function to generate\n// a key-value attribute pair to add/change/remove. If not provided, model attributes will be converted to view element\n// attributes on a one-to-one basis.\n//\n// *Note:** The provided attribute creator should always return the same `key` for a given attribute from the model.\n//\n// The converter automatically consumes the corresponding value from the consumables list and stops the event (see\n// {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}).\n//\n//\t\tmodelDispatcher.on( 'attribute:customAttr:myElem', changeAttribute( ( value, data ) => {\n//\t\t\t// Change attribute key from `customAttr` to `class` in the view.\n//\t\t\tconst key = 'class';\n//\t\t\tlet value = data.attributeNewValue;\n//\n//\t\t\t// Force attribute value to 'empty' if the model element is empty.\n//\t\t\tif ( data.item.childCount === 0 ) {\n//\t\t\t\tvalue = 'empty';\n//\t\t\t}\n//\n//\t\t\t// Return the key-value pair.\n//\t\t\treturn { key, value };\n//\t\t} ) );\n//\n// @param {Function} [attributeCreator] Function returning an object with two properties: `key` and `value`, which\n// represent the attribute key and attribute value to be set on a {@link module:engine/view/element~Element view element}.\n// The function is passed the model attribute value as the first parameter and additional data about the change as the second parameter.\n// @returns {Function} Set/change attribute converter.\nfunction changeAttribute( attributeCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst oldAttribute = attributeCreator( data.attributeOldValue, conversionApi );\n\t\tconst newAttribute = attributeCreator( data.attributeNewValue, conversionApi );\n\n\t\tif ( !oldAttribute && !newAttribute ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewElement = conversionApi.mapper.toViewElement( data.item );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\t// If model item cannot be mapped to a view element, it means item is not an `Element` instance but a `TextProxy` node.\n\t\t// Only elements can have attributes in a view so do not proceed for anything else (#1587).\n\t\tif ( !viewElement ) {\n\t\t\t/**\n\t\t\t * This error occurs when a {@link module:engine/model/textproxy~TextProxy text node's} attribute is to be downcasted\n\t\t\t * by {@link module:engine/conversion/conversion~Conversion#attributeToAttribute `Attribute to Attribute converter`}.\n\t\t\t * In most cases it is caused by converters misconfiguration when only \"generic\" converter is defined:\n\t\t\t *\n\t\t\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t\t\t *\t\t\tmodel: 'attribute-name',\n\t\t\t *\t\t\tview: 'attribute-name'\n\t\t\t *\t\t} ) );\n\t\t\t *\n\t\t\t * and given attribute is used on text node, for example:\n\t\t\t *\n\t\t\t *\t\tmodel.change( writer => {\n\t\t\t *\t\t\twriter.insertText( 'Foo', { 'attribute-name': 'bar' }, parent, 0 );\n\t\t\t *\t\t} );\n\t\t\t *\n\t\t\t * In such cases, to convert the same attribute for both {@link module:engine/model/element~Element}\n\t\t\t * and {@link module:engine/model/textproxy~TextProxy `Text`} nodes, text specific\n\t\t\t * {@link module:engine/conversion/conversion~Conversion#attributeToElement `Attribute to Element converter`}\n\t\t\t * with higher {@link module:utils/priorities~PriorityString priority} must also be defined:\n\t\t\t *\n\t\t\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t\t\t *\t\t\tmodel: {\n\t\t\t *\t\t\t\tkey: 'attribute-name',\n\t\t\t *\t\t\t\tname: '$text'\n\t\t\t *\t\t\t},\n\t\t\t *\t\t\tview: ( value, { writer } ) => {\n\t\t\t *\t\t\t\treturn writer.createAttributeElement( 'span', { 'attribute-name': value } );\n\t\t\t *\t\t\t},\n\t\t\t *\t\t\tconverterPriority: 'high'\n\t\t\t *\t\t} ) );\n\t\t\t *\n\t\t\t * @error conversion-attribute-to-attribute-on-text\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'conversion-attribute-to-attribute-on-text',\n\t\t\t\t[ data, conversionApi ]\n\t\t\t);\n\t\t}\n\n\t\t// First remove the old attribute if there was one.\n\t\tif ( data.attributeOldValue !== null && oldAttribute ) {\n\t\t\tif ( oldAttribute.key == 'class' ) {\n\t\t\t\tconst classes = toArray( oldAttribute.value );\n\n\t\t\t\tfor ( const className of classes ) {\n\t\t\t\t\tviewWriter.removeClass( className, viewElement );\n\t\t\t\t}\n\t\t\t} else if ( oldAttribute.key == 'style' ) {\n\t\t\t\tconst keys = Object.keys( oldAttribute.value );\n\n\t\t\t\tfor ( const key of keys ) {\n\t\t\t\t\tviewWriter.removeStyle( key, viewElement );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tviewWriter.removeAttribute( oldAttribute.key, viewElement );\n\t\t\t}\n\t\t}\n\n\t\t// Then set the new attribute.\n\t\tif ( data.attributeNewValue !== null && newAttribute ) {\n\t\t\tif ( newAttribute.key == 'class' ) {\n\t\t\t\tconst classes = toArray( newAttribute.value );\n\n\t\t\t\tfor ( const className of classes ) {\n\t\t\t\t\tviewWriter.addClass( className, viewElement );\n\t\t\t\t}\n\t\t\t} else if ( newAttribute.key == 'style' ) {\n\t\t\t\tconst keys = Object.keys( newAttribute.value );\n\n\t\t\t\tfor ( const key of keys ) {\n\t\t\t\t\tviewWriter.setStyle( key, newAttribute.value[ key ], viewElement );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tviewWriter.setAttribute( newAttribute.key, newAttribute.value, viewElement );\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Function factory that creates a converter which converts the text inside marker's range. The converter wraps the text with\n// {@link module:engine/view/attributeelement~AttributeElement} created from the provided descriptor.\n// See {link module:engine/conversion/downcasthelpers~createViewElementFromHighlightDescriptor}.\n//\n// It can also be used to convert the selection that is inside a marker. In that case, an empty attribute element will be\n// created and the selection will be put inside it.\n//\n// If the highlight descriptor does not provide the `priority` property, `10` will be used.\n//\n// If the highlight descriptor does not provide the `id` property, the name of the marker will be used.\n//\n// This converter binds the created {@link module:engine/view/attributeelement~AttributeElement attribute elemens} with the marker name\n// using the {@link module:engine/conversion/mapper~Mapper#bindElementToMarker} method.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} highlightDescriptor\n// @returns {Function}\nfunction highlightText( highlightDescriptor ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !data.item ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !( data.item instanceof ModelSelection || data.item instanceof DocumentSelection ) && !data.item.is( '$textProxy' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst descriptor = prepareDescriptor( highlightDescriptor, data, conversionApi );\n\n\t\tif ( !descriptor ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewElement = createViewElementFromHighlightDescriptor( viewWriter, descriptor );\n\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\tif ( data.item instanceof ModelSelection || data.item instanceof DocumentSelection ) {\n\t\t\tviewWriter.wrap( viewSelection.getFirstRange(), viewElement, viewSelection );\n\t\t} else {\n\t\t\tconst viewRange = conversionApi.mapper.toViewRange( data.range );\n\t\t\tconst rangeAfterWrap = viewWriter.wrap( viewRange, viewElement );\n\n\t\t\tfor ( const element of rangeAfterWrap.getItems() ) {\n\t\t\t\tif ( element.is( 'attributeElement' ) && element.isSimilar( viewElement ) ) {\n\t\t\t\t\tconversionApi.mapper.bindElementToMarker( element, data.markerName );\n\n\t\t\t\t\t// One attribute element is enough, because all of them are bound together by the view writer.\n\t\t\t\t\t// Mapper uses this binding to get all the elements no matter how many of them are registered in the mapper.\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Converter function factory. It creates a function which applies the marker's highlight to an element inside the marker's range.\n//\n// The converter checks if an element has the `addHighlight` function stored as a\n// {@link module:engine/view/element~Element#_setCustomProperty custom property} and, if so, uses it to apply the highlight.\n// In such case the converter will consume all element's children, assuming that they were handled by the element itself.\n//\n// When the `addHighlight` custom property is not present, the element is not converted in any special way.\n// This means that converters will proceed to convert the element's child nodes.\n//\n// If the highlight descriptor does not provide the `priority` property, `10` will be used.\n//\n// If the highlight descriptor does not provide the `id` property, the name of the marker will be used.\n//\n// This converter binds altered {@link module:engine/view/containerelement~ContainerElement container elements} with the marker name using\n// the {@link module:engine/conversion/mapper~Mapper#bindElementToMarker} method.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} highlightDescriptor\n// @returns {Function}\nfunction highlightElement( highlightDescriptor ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !data.item ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !( data.item instanceof ModelElement ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst descriptor = prepareDescriptor( highlightDescriptor, data, conversionApi );\n\n\t\tif ( !descriptor ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.test( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewElement = conversionApi.mapper.toViewElement( data.item );\n\n\t\tif ( viewElement && viewElement.getCustomProperty( 'addHighlight' ) ) {\n\t\t\t// Consume element itself.\n\t\t\tconversionApi.consumable.consume( data.item, evt.name );\n\n\t\t\t// Consume all children nodes.\n\t\t\tfor ( const value of ModelRange._createIn( data.item ) ) {\n\t\t\t\tconversionApi.consumable.consume( value.item, evt.name );\n\t\t\t}\n\n\t\t\tviewElement.getCustomProperty( 'addHighlight' )( viewElement, descriptor, conversionApi.writer );\n\n\t\t\tconversionApi.mapper.bindElementToMarker( viewElement, data.markerName );\n\t\t}\n\t};\n}\n\n// Function factory that creates a converter which converts the removing model marker to the view.\n//\n// Both text nodes and elements are handled by this converter but they are handled a bit differently.\n//\n// Text nodes are unwrapped using the {@link module:engine/view/attributeelement~AttributeElement attribute element} created from the\n// provided highlight descriptor. See {link module:engine/conversion/downcasthelpers~HighlightDescriptor}.\n//\n// For elements, the converter checks if an element has the `removeHighlight` function stored as a\n// {@link module:engine/view/element~Element#_setCustomProperty custom property}. If so, it uses it to remove the highlight.\n// In such case, the children of that element will not be converted.\n//\n// When `removeHighlight` is not present, the element is not converted in any special way.\n// The converter will proceed to convert the element's child nodes instead.\n//\n// If the highlight descriptor does not provide the `priority` property, `10` will be used.\n//\n// If the highlight descriptor does not provide the `id` property, the name of the marker will be used.\n//\n// This converter unbinds elements from the marker name.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} highlightDescriptor\n// @returns {Function}\nfunction removeHighlight( highlightDescriptor ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// This conversion makes sense only for non-collapsed range.\n\t\tif ( data.markerRange.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst descriptor = prepareDescriptor( highlightDescriptor, data, conversionApi );\n\n\t\tif ( !descriptor ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// View element that will be used to unwrap `AttributeElement`s.\n\t\tconst viewHighlightElement = createViewElementFromHighlightDescriptor( conversionApi.writer, descriptor );\n\n\t\t// Get all elements bound with given marker name.\n\t\tconst elements = conversionApi.mapper.markerNameToElements( data.markerName );\n\n\t\tif ( !elements ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const element of elements ) {\n\t\t\tconversionApi.mapper.unbindElementFromMarkerName( element, data.markerName );\n\n\t\t\tif ( element.is( 'attributeElement' ) ) {\n\t\t\t\tconversionApi.writer.unwrap( conversionApi.writer.createRangeOn( element ), viewHighlightElement );\n\t\t\t} else {\n\t\t\t\t// if element.is( 'containerElement' ).\n\t\t\t\telement.getCustomProperty( 'removeHighlight' )( element, descriptor.id, conversionApi.writer );\n\t\t\t}\n\t\t}\n\n\t\tconversionApi.writer.clearClonedElementsGroup( data.markerName );\n\n\t\tevt.stop();\n\t};\n}\n\n// Model element to view element conversion helper.\n//\n// See {@link ~DowncastHelpers#elementToElement `.elementToElement()` downcast helper} for examples and config params description.\n//\n// @param {Object} config Conversion configuration.\n// @param {String} config.model\n// @param {module:engine/view/elementdefinition~ElementDefinition|Function} config.view\n// @param {Object} [config.triggerBy]\n// @param {Array.<String>} [config.triggerBy.attributes]\n// @param {Array.<String>} [config.triggerBy.children]\n// @returns {Function} Conversion helper.\nfunction downcastElementToElement( config ) {\n\tconfig = cloneDeep( config );\n\n\tconfig.view = normalizeToElementConfig( config.view, 'container' );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'insert:' + config.model, insertElement( config.view ), { priority: config.converterPriority || 'normal' } );\n\n\t\tif ( config.triggerBy ) {\n\t\t\tif ( config.triggerBy.attributes ) {\n\t\t\t\tfor ( const attributeKey of config.triggerBy.attributes ) {\n\t\t\t\t\tdispatcher._mapReconversionTriggerEvent( config.model, `attribute:${ attributeKey }:${ config.model }` );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( config.triggerBy.children ) {\n\t\t\t\tfor ( const childName of config.triggerBy.children ) {\n\t\t\t\t\tdispatcher._mapReconversionTriggerEvent( config.model, `insert:${ childName }` );\n\t\t\t\t\tdispatcher._mapReconversionTriggerEvent( config.model, `remove:${ childName }` );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Model attribute to view element conversion helper.\n//\n// See {@link ~DowncastHelpers#attributeToElement `.attributeToElement()` downcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String|Object} config.model The key of the attribute to convert from or a `{ key, values }` object. `values` is an array\n// of `String`s with possible values if the model attribute is an enumerable.\n// @param {module:engine/view/elementdefinition~ElementDefinition|Function|Object} config.view A view element definition or a function\n// that takes the model attribute value and {@link module:engine/view/downcastwriter~DowncastWriter view downcast writer}\n// as parameters and returns a view attribute element. If `config.model.values` is\n// given, `config.view` should be an object assigning values from `config.model.values` to view element definitions or functions.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction downcastAttributeToElement( config ) {\n\tconfig = cloneDeep( config );\n\n\tconst modelKey = config.model.key ? config.model.key : config.model;\n\tlet eventName = 'attribute:' + modelKey;\n\n\tif ( config.model.name ) {\n\t\teventName += ':' + config.model.name;\n\t}\n\n\tif ( config.model.values ) {\n\t\tfor ( const modelValue of config.model.values ) {\n\t\t\tconfig.view[ modelValue ] = normalizeToElementConfig( config.view[ modelValue ], 'attribute' );\n\t\t}\n\t} else {\n\t\tconfig.view = normalizeToElementConfig( config.view, 'attribute' );\n\t}\n\n\tconst elementCreator = getFromAttributeCreator( config );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( eventName, wrap( elementCreator ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Model attribute to view attribute conversion helper.\n//\n// See {@link ~DowncastHelpers#attributeToAttribute `.attributeToAttribute()` downcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String|Object} config.model The key of the attribute to convert from or a `{ key, values, [ name ] }` object describing\n// the attribute key, possible values and, optionally, an element name to convert from.\n// @param {String|Object|Function} config.view A view attribute key, or a `{ key, value }` object or a function that takes\n// the model attribute value and returns a `{ key, value }` object. If `key` is `'class'`, `value` can be a `String` or an\n// array of `String`s. If `key` is `'style'`, `value` is an object with key-value pairs. In other cases, `value` is a `String`.\n// If `config.model.values` is set, `config.view` should be an object assigning values from `config.model.values` to\n// `{ key, value }` objects or a functions.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction downcastAttributeToAttribute( config ) {\n\tconfig = cloneDeep( config );\n\n\tconst modelKey = config.model.key ? config.model.key : config.model;\n\tlet eventName = 'attribute:' + modelKey;\n\n\tif ( config.model.name ) {\n\t\teventName += ':' + config.model.name;\n\t}\n\n\tif ( config.model.values ) {\n\t\tfor ( const modelValue of config.model.values ) {\n\t\t\tconfig.view[ modelValue ] = normalizeToAttributeConfig( config.view[ modelValue ] );\n\t\t}\n\t} else {\n\t\tconfig.view = normalizeToAttributeConfig( config.view );\n\t}\n\n\tconst elementCreator = getFromAttributeCreator( config );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( eventName, changeAttribute( elementCreator ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Model marker to view element conversion helper.\n//\n// See {@link ~DowncastHelpers#markerToElement `.markerToElement()` downcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String} config.model The name of the model marker (or model marker group) to convert.\n// @param {module:engine/view/elementdefinition~ElementDefinition|Function} config.view A view element definition or a function\n// that takes the model marker data as a parameter and returns a view UI element.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction downcastMarkerToElement( config ) {\n\tconfig = cloneDeep( config );\n\n\tconfig.view = normalizeToElementConfig( config.view, 'ui' );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'addMarker:' + config.model, insertUIElement( config.view ), { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'removeMarker:' + config.model, removeUIElement( config.view ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Model marker to view data conversion helper.\n//\n// See {@link ~DowncastHelpers#markerToData `markerToData()` downcast helper} to learn more.\n//\n// @param {Object} config\n// @param {String} config.model\n// @param {Function} [config.view]\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal']\n// @returns {Function} Conversion helper.\nfunction downcastMarkerToData( config ) {\n\tconfig = cloneDeep( config );\n\n\tconst group = config.model;\n\n\t// Default conversion.\n\tif ( !config.view ) {\n\t\tconfig.view = markerName => ( {\n\t\t\tgroup,\n\t\t\tname: markerName.substr( config.model.length + 1 )\n\t\t} );\n\t}\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'addMarker:' + group, insertMarkerData( config.view ), { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'removeMarker:' + group, removeMarkerData( config.view ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Model marker to highlight conversion helper.\n//\n// See {@link ~DowncastHelpers#markerToElement `.markerToElement()` downcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String} config.model The name of the model marker (or model marker group) to convert.\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} config.view A highlight descriptor\n// that will be used for highlighting or a function that takes the model marker data as a parameter and returns a highlight descriptor.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction downcastMarkerToHighlight( config ) {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'addMarker:' + config.model, highlightText( config.view ), { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'addMarker:' + config.model, highlightElement( config.view ), { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'removeMarker:' + config.model, removeHighlight( config.view ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Takes `config.view`, and if it is an {@link module:engine/view/elementdefinition~ElementDefinition}, converts it\n// to a function (because lower level converters accept only element creator functions).\n//\n// @param {module:engine/view/elementdefinition~ElementDefinition|Function} view View configuration.\n// @param {'container'|'attribute'|'ui'} viewElementType View element type to create.\n// @returns {Function} Element creator function to use in lower level converters.\nfunction normalizeToElementConfig( view, viewElementType ) {\n\tif ( typeof view == 'function' ) {\n\t\t// If `view` is already a function, don't do anything.\n\t\treturn view;\n\t}\n\n\treturn ( modelData, conversionApi ) => createViewElementFromDefinition( view, conversionApi, viewElementType );\n}\n\n// Creates a view element instance from the provided {@link module:engine/view/elementdefinition~ElementDefinition} and class.\n//\n// @param {module:engine/view/elementdefinition~ElementDefinition} viewElementDefinition\n// @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n// @param {'container'|'attribute'|'ui'} viewElementType\n// @returns {module:engine/view/element~Element}\nfunction createViewElementFromDefinition( viewElementDefinition, conversionApi, viewElementType ) {\n\tif ( typeof viewElementDefinition == 'string' ) {\n\t\t// If `viewElementDefinition` is given as a `String`, normalize it to an object with `name` property.\n\t\tviewElementDefinition = { name: viewElementDefinition };\n\t}\n\n\tlet element;\n\tconst viewWriter = conversionApi.writer;\n\tconst attributes = Object.assign( {}, viewElementDefinition.attributes );\n\n\tif ( viewElementType == 'container' ) {\n\t\telement = viewWriter.createContainerElement( viewElementDefinition.name, attributes );\n\t} else if ( viewElementType == 'attribute' ) {\n\t\tconst options = {\n\t\t\tpriority: viewElementDefinition.priority || ViewAttributeElement.DEFAULT_PRIORITY\n\t\t};\n\n\t\telement = viewWriter.createAttributeElement( viewElementDefinition.name, attributes, options );\n\t} else {\n\t\t// 'ui'.\n\t\telement = viewWriter.createUIElement( viewElementDefinition.name, attributes );\n\t}\n\n\tif ( viewElementDefinition.styles ) {\n\t\tconst keys = Object.keys( viewElementDefinition.styles );\n\n\t\tfor ( const key of keys ) {\n\t\t\tviewWriter.setStyle( key, viewElementDefinition.styles[ key ], element );\n\t\t}\n\t}\n\n\tif ( viewElementDefinition.classes ) {\n\t\tconst classes = viewElementDefinition.classes;\n\n\t\tif ( typeof classes == 'string' ) {\n\t\t\tviewWriter.addClass( classes, element );\n\t\t} else {\n\t\t\tfor ( const className of classes ) {\n\t\t\t\tviewWriter.addClass( className, element );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn element;\n}\n\nfunction getFromAttributeCreator( config ) {\n\tif ( config.model.values ) {\n\t\treturn ( modelAttributeValue, conversionApi ) => {\n\t\t\tconst view = config.view[ modelAttributeValue ];\n\n\t\t\tif ( view ) {\n\t\t\t\treturn view( modelAttributeValue, conversionApi );\n\t\t\t}\n\n\t\t\treturn null;\n\t\t};\n\t} else {\n\t\treturn config.view;\n\t}\n}\n\n// Takes the configuration, adds default parameters if they do not exist and normalizes other parameters to be used in downcast converters\n// for generating a view attribute.\n//\n// @param {Object} view View configuration.\nfunction normalizeToAttributeConfig( view ) {\n\tif ( typeof view == 'string' ) {\n\t\treturn modelAttributeValue => ( { key: view, value: modelAttributeValue } );\n\t} else if ( typeof view == 'object' ) {\n\t\t// { key, value, ... }\n\t\tif ( view.value ) {\n\t\t\treturn () => view;\n\t\t}\n\t\t// { key, ... }\n\t\telse {\n\t\t\treturn modelAttributeValue => ( { key: view.key, value: modelAttributeValue } );\n\t\t}\n\t} else {\n\t\t// function.\n\t\treturn view;\n\t}\n}\n\n// Helper function for `highlight`. Prepares the actual descriptor object using value passed to the converter.\nfunction prepareDescriptor( highlightDescriptor, data, conversionApi ) {\n\t// If passed descriptor is a creator function, call it. If not, just use passed value.\n\tconst descriptor = typeof highlightDescriptor == 'function' ?\n\t\thighlightDescriptor( data, conversionApi ) :\n\t\thighlightDescriptor;\n\n\tif ( !descriptor ) {\n\t\treturn null;\n\t}\n\n\t// Apply default descriptor priority.\n\tif ( !descriptor.priority ) {\n\t\tdescriptor.priority = 10;\n\t}\n\n\t// Default descriptor id is marker name.\n\tif ( !descriptor.id ) {\n\t\tdescriptor.id = data.markerName;\n\t}\n\n\treturn descriptor;\n}\n\n/**\n * An object describing how the marker highlight should be represented in the view.\n *\n * Each text node contained in a highlighted range will be wrapped in a `<span>`\n * {@link module:engine/view/attributeelement~AttributeElement view attribute element} with CSS class(es), attributes and a priority\n * described by this object.\n *\n * Additionally, each {@link module:engine/view/containerelement~ContainerElement container element} can handle displaying the highlight\n * separately by providing the `addHighlight` and `removeHighlight` custom properties. In this case:\n *\n *  * The `HighlightDescriptor` object is passed to the `addHighlight` function upon conversion and should be used to apply the highlight to\n *  the element.\n *  * The descriptor `id` is passed to the `removeHighlight` function upon conversion and should be used to remove the highlight with the\n *  given ID from the element.\n *\n * @typedef {Object} module:engine/conversion/downcasthelpers~HighlightDescriptor\n *\n * @property {String|Array.<String>} classes A CSS class or an array of classes to set. If the descriptor is used to\n * create an {@link module:engine/view/attributeelement~AttributeElement attribute element} over text nodes, these classes will be set\n * on that attribute element. If the descriptor is applied to an element, usually these classes will be set on that element, however,\n * this depends on how the element converts the descriptor.\n *\n * @property {String} [id] Descriptor identifier. If not provided, it defaults to the converted marker's name.\n *\n * @property {Number} [priority] Descriptor priority. If not provided, it defaults to `10`. If the descriptor is used to create\n * an {@link module:engine/view/attributeelement~AttributeElement attribute element}, it will be that element's\n * {@link module:engine/view/attributeelement~AttributeElement#priority priority}. If the descriptor is applied to an element,\n * the priority will be used to determine which descriptor is more important.\n *\n * @property {Object} [attributes] Attributes to set. If the descriptor is used to create\n * an {@link module:engine/view/attributeelement~AttributeElement attribute element} over text nodes, these attributes will be set on that\n * attribute element. If the descriptor is applied to an element, usually these attributes will be set on that element, however,\n * this depends on how the element converts the descriptor.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/autoparagraphing\n */\n\n/**\n * Fixes all empty roots.\n *\n * @protected\n * @param {module:engine/model/writer~Writer} writer The model writer.\n * @returns {Boolean} `true` if any change has been applied, `false` otherwise.\n */\nexport function autoParagraphEmptyRoots( writer ) {\n\tconst { schema, document } = writer.model;\n\n\tfor ( const rootName of document.getRootNames() ) {\n\t\tconst root = document.getRoot( rootName );\n\n\t\tif ( root.isEmpty && !schema.checkChild( root, '$text' ) ) {\n\t\t\t// If paragraph element is allowed in the root, create paragraph element.\n\t\t\tif ( schema.checkChild( root, 'paragraph' ) ) {\n\t\t\t\twriter.insertElement( 'paragraph', root );\n\n\t\t\t\t// Other roots will get fixed in the next post-fixer round. Those will be triggered\n\t\t\t\t// in the same batch no matter if this method was triggered by the post-fixing or not\n\t\t\t\t// (the above insertElement call will trigger the post-fixers).\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn false;\n}\n\n/**\n * Checks if the given node wrapped with a paragraph would be accepted by the schema in the given position.\n *\n * @protected\n * @param {module:engine/model/position~Position} position The position at which to check.\n * @param {module:engine/model/node~Node|String} nodeOrType The child node or child type to check.\n * @param {module:engine/model/schema~Schema} schema A schema instance used for element validation.\n */\nexport function isParagraphable( position, nodeOrType, schema ) {\n\tconst context = schema.createContext( position );\n\n\t// When paragraph is allowed in this context...\n\tif ( !schema.checkChild( context, 'paragraph' ) ) {\n\t\treturn false;\n\t}\n\n\t// And a node would be allowed in this paragraph...\n\tif ( !schema.checkChild( context.push( 'paragraph' ), nodeOrType ) ) {\n\t\treturn false;\n\t}\n\n\treturn true;\n}\n\n/**\n * Inserts a new paragraph at the given position and returns a position inside that paragraph.\n *\n * @protected\n * @param {module:engine/model/position~Position} position The position where a paragraph should be inserted.\n * @param {module:engine/model/writer~Writer} writer The model writer.\n * @returns {module:engine/model/position~Position} Position inside the created paragraph.\n */\nexport function wrapInParagraph( position, writer ) {\n\tconst paragraph = writer.createElement( 'paragraph' );\n\n\twriter.insert( paragraph, position );\n\n\treturn writer.createPositionAt( paragraph, 0 );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport Matcher from '../view/matcher';\nimport ConversionHelpers from './conversionhelpers';\n\nimport { cloneDeep } from 'lodash-es';\nimport { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\nimport { isParagraphable, wrapInParagraph } from '../model/utils/autoparagraphing';\n\n/**\n * Contains {@link module:engine/view/view view} to {@link module:engine/model/model model} converters for\n * {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher}.\n *\n * @module engine/conversion/upcasthelpers\n */\n\n/**\n * Upcast conversion helper functions.\n *\n * @extends module:engine/conversion/conversionhelpers~ConversionHelpers\n */\nexport default class UpcastHelpers extends ConversionHelpers {\n\t/**\n\t * View element to model element conversion helper.\n\t *\n\t * This conversion results in creating a model element. For example,\n\t * view `<p>Foo</p>` becomes `<paragraph>Foo</paragraph>` in the model.\n\t *\n\t * Keep in mind that the element will be inserted only if it is allowed\n\t * by {@link module:engine/model/schema~Schema schema} configuration.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t *\t\t\tview: 'p',\n\t *\t\t\tmodel: 'paragraph'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t *\t\t\tview: 'p',\n\t *\t\t\tmodel: 'paragraph',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'p',\n\t *\t\t\t\tclasses: 'fancy'\n\t *\t\t\t},\n\t *\t\t\tmodel: 'fancyParagraph'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t * \t\t\tview: {\n\t *\t\t\t\tname: 'p',\n\t *\t\t\t\tclasses: 'heading'\n\t * \t\t\t},\n\t * \t\t\tmodel: ( viewElement, conversionApi ) => {\n\t * \t\t\t\tconst modelWriter = conversionApi.writer;\n\t *\n\t * \t\t\t\treturn modelWriter.createElement( 'heading', { level: viewElement.getAttribute( 'data-level' ) } );\n\t * \t\t\t}\n\t * \t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #elementToElement\n\t * @param {Object} config Conversion configuration.\n\t * @param {module:engine/view/matcher~MatcherPattern} [config.view] Pattern matching all view elements which should be converted. If not\n\t * set, the converter will fire for every view element.\n\t * @param {String|module:engine/model/element~Element|Function} config.model Name of the model element, a model element instance or a\n\t * function that takes a view element and {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi upcast conversion API}\n\t * and returns a model element. The model element will be inserted in the model.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\telementToElement( config ) {\n\t\treturn this.add( upcastElementToElement( config ) );\n\t}\n\n\t/**\n\t * View element to model attribute conversion helper.\n\t *\n\t * This conversion results in setting an attribute on a model node. For example, view `<strong>Foo</strong>` becomes\n\t * `Foo` {@link module:engine/model/text~Text model text node} with `bold` attribute set to `true`.\n\t *\n\t * This helper is meant to set a model attribute on all the elements that are inside the converted element:\n\t *\n\t *\t\t<strong>Foo</strong>   -->   <strong><p>Foo</p></strong>   -->   <paragraph><$text bold=\"true\">Foo</$text></paragraph>\n\t *\n\t * Above is a sample of HTML code, that goes through autoparagraphing (first step) and then is converted (second step).\n\t * Even though `<strong>` is over `<p>` element, `bold=\"true\"` was added to the text. See\n\t * {@link module:engine/conversion/upcasthelpers~UpcastHelpers#attributeToAttribute} for comparison.\n\t *\n\t * Keep in mind that the attribute will be set only if it is allowed by {@link module:engine/model/schema~Schema schema} configuration.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: 'strong',\n\t *\t\t\tmodel: 'bold'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: 'strong',\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tclasses: 'bold'\n\t *\t\t\t},\n\t *\t\t\tmodel: 'bold'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tclasses: [ 'styled', 'styled-dark' ]\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'styled',\n\t *\t\t\t\tvalue: 'dark'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * \t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tstyles: {\n\t *\t\t\t\t\t'font-size': /[\\s\\S]+/\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'fontSize',\n\t *\t\t\t\tvalue: ( viewElement, conversionApi ) => {\n\t *\t\t\t\t\tconst fontSize = viewElement.getStyle( 'font-size' );\n\t *\t\t\t\t\tconst value = fontSize.substr( 0, fontSize.length - 2 );\n\t *\n\t *\t\t\t\t\tif ( value <= 10 ) {\n\t *\t\t\t\t\t\treturn 'small';\n\t *\t\t\t\t\t} else if ( value > 12 ) {\n\t *\t\t\t\t\t\treturn 'big';\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #elementToAttribute\n\t * @param {Object} config Conversion configuration.\n\t * @param {module:engine/view/matcher~MatcherPattern} config.view Pattern matching all view elements which should be converted.\n\t * @param {String|Object} config.model Model attribute key or an object with `key` and `value` properties, describing\n\t * the model attribute. `value` property may be set as a function that takes a view element and\n\t * {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi upcast conversion API} and returns the value.\n\t * If `String` is given, the model attribute value will be set to `true`.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='low'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\telementToAttribute( config ) {\n\t\treturn this.add( upcastElementToAttribute( config ) );\n\t}\n\n\t/**\n\t * View attribute to model attribute conversion helper.\n\t *\n\t * This conversion results in setting an attribute on a model node. For example, view `<img src=\"foo.jpg\"></img>` becomes\n\t * `<image source=\"foo.jpg\"></image>` in the model.\n\t *\n\t * This helper is meant to convert view attributes from view elements which got converted to the model, so the view attribute\n\t * is set only on the corresponding model node:\n\t *\n\t *\t\t<div class=\"dark\"><div>foo</div></div>    -->    <div dark=\"true\"><div>foo</div></div>\n\t *\n\t * Above, `class=\"dark\"` attribute is added only to the `<div>` elements that has it. This is in contrary to\n\t * {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToAttribute} which sets attributes for\n\t * all the children in the model:\n\t *\n\t *\t\t<strong>Foo</strong>   -->   <strong><p>Foo</p></strong>   -->   <paragraph><$text bold=\"true\">Foo</$text></paragraph>\n\t *\n\t * Above is a sample of HTML code, that goes through autoparagraphing (first step) and then is converted (second step).\n\t * Even though `<strong>` is over `<p>` element, `bold=\"true\"` was added to the text.\n\t *\n\t * Keep in mind that the attribute will be set only if it is allowed by {@link module:engine/model/schema~Schema schema} configuration.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: 'src',\n\t *\t\t\tmodel: 'source'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: { key: 'src' },\n\t *\t\t\tmodel: 'source'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: { key: 'src' },\n\t *\t\t\tmodel: 'source',\n\t *\t\t\tconverterPriority: 'normal'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tkey: 'data-style',\n\t *\t\t\t\tvalue: /[\\s\\S]+/\n\t *\t\t\t},\n\t *\t\t\tmodel: 'styled'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'img',\n\t *\t\t\t\tkey: 'class',\n\t *\t\t\t\tvalue: 'styled-dark'\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'styled',\n\t *\t\t\t\tvalue: 'dark'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tkey: 'class',\n\t *\t\t\t\tvalue: /styled-[\\S]+/\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'styled'\n\t *\t\t\t\tvalue: ( viewElement, conversionApi ) => {\n\t *\t\t\t\t\tconst regexp = /styled-([\\S]+)/;\n\t *\t\t\t\t\tconst match = viewElement.getAttribute( 'class' ).match( regexp );\n\t *\n\t *\t\t\t\t\treturn match[ 1 ];\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Converting styles works a bit differently as it requires `view.styles` to be an object and by default\n\t * a model attribute will be set to `true` by such a converter. You can set the model attribute to any value by providing the `value`\n\t * callback that returns the desired value.\n\t *\n\t *\t\t// Default conversion of font-weight style will result in setting bold attribute to true.\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tstyles: {\n\t *\t\t\t\t\t'font-weight': 'bold'\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tmodel: 'bold'\n\t *\t\t} );\n\t *\n\t *\t\t// This converter will pass any style value to the `lineHeight` model attribute.\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tstyles: {\n\t *\t\t\t\t\t'line-height': /[\\s\\S]+/\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'lineHeight',\n\t *\t\t\t\tvalue: ( viewElement, conversionApi ) => viewElement.getStyle( 'line-height' )\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #attributeToAttribute\n\t * @param {Object} config Conversion configuration.\n\t * @param {String|Object} config.view Specifies which view attribute will be converted. If a `String` is passed,\n\t * attributes with given key will be converted. If an `Object` is passed, it must have a required `key` property,\n\t * specifying view attribute key, and may have an optional `value` property, specifying view attribute value and optional `name`\n\t * property specifying a view element name from/on which the attribute should be converted. `value` can be given as a `String`,\n\t * a `RegExp` or a function callback, that takes view attribute value as the only parameter and returns `Boolean`.\n\t * @param {String|Object} config.model Model attribute key or an object with `key` and `value` properties, describing\n\t * the model attribute. `value` property may be set as a function that takes a view element and\n\t * {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi upcast conversion API} and returns the value.\n\t * If `String` is given, the model attribute value will be same as view attribute value.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='low'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\tattributeToAttribute( config ) {\n\t\treturn this.add( upcastAttributeToAttribute( config ) );\n\t}\n\n\t/**\n\t * View element to model marker conversion helper.\n\t *\n\t * **Note**: This method was deprecated. Please use {@link #dataToMarker} instead.\n\t *\n\t * This conversion results in creating a model marker. For example, if the marker was stored in a view as an element:\n\t * `<p>Fo<span data-marker=\"comment\" data-comment-id=\"7\"></span>o</p><p>B<span data-marker=\"comment\" data-comment-id=\"7\"></span>ar</p>`,\n\t * after the conversion is done, the marker will be available in\n\t * {@link module:engine/model/model~Model#markers model document markers}.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToMarker( {\n\t *\t\t\tview: 'marker-search',\n\t *\t\t\tmodel: 'search'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToMarker( {\n\t *\t\t\tview: 'marker-search',\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToMarker( {\n\t *\t\t\tview: 'marker-search',\n\t *\t\t\tmodel: ( viewElement, conversionApi ) => 'comment:' + viewElement.getAttribute( 'data-comment-id' )\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToMarker( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tattributes: {\n\t *\t\t\t\t\t'data-marker': 'search'\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tmodel: 'search'\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @deprecated\n\t * @method #elementToMarker\n\t * @param {Object} config Conversion configuration.\n\t * @param {module:engine/view/matcher~MatcherPattern} config.view Pattern matching all view elements which should be converted.\n\t * @param {String|Function} config.model Name of the model marker, or a function that takes a view element and returns\n\t * a model marker name.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\telementToMarker( config ) {\n\t\t/**\n\t\t * The {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToMarker `UpcastHelpers#elementToMarker()`}\n\t\t * method was deprecated and will be removed in the near future.\n\t\t * Please use {@link module:engine/conversion/upcasthelpers~UpcastHelpers#dataToMarker `UpcastHelpers#dataToMarker()`} instead.\n\t\t *\n\t\t * @error upcast-helpers-element-to-marker-deprecated\n\t\t */\n\t\tlogWarning( 'upcast-helpers-element-to-marker-deprecated' );\n\n\t\treturn this.add( upcastElementToMarker( config ) );\n\t}\n\n\t/**\n\t * View-to-model marker conversion helper.\n\t *\n\t * Converts view data created by {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToData `#markerToData()`}\n\t * back to a model marker.\n\t *\n\t * This converter looks for specific view elements and view attributes that mark marker boundaries. See\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToData `#markerToData()`} to learn what view data\n\t * is expected by this converter.\n\t *\n\t * The `config.view` property is equal to the marker group name to convert.\n\t *\n\t * By default, this converter creates markers with the `group:name` name convention (to match the default `markerToData` conversion).\n\t *\n\t * The conversion configuration can take a function that will generate a marker name.\n\t * If such function is set as the `config.model` parameter, it is passed the `name` part from the view element or attribute and it is\n\t * expected to return a string with the marker name.\n\t *\n\t * Basic usage:\n\t *\n\t *\t\t// Using the default conversion.\n\t *\t\t// In this case, all markers from the `comment` group will be converted.\n\t *\t\t// The conversion will look for `<comment-start>` and `<comment-end>` tags and\n\t *\t\t// `data-comment-start-before`, `data-comment-start-after`,\n\t *\t\t// `data-comment-end-before` and `data-comment-end-after` attributes.\n\t *\t\teditor.conversion.for( 'upcast' ).dataToMarker( {\n\t *\t\t\tview: 'comment'\n\t *\t\t} );\n\t *\n\t * An example of a model that may be generated by this conversion:\n\t *\n\t *\t\t// View:\n\t *\t\t<p>Foo<comment-start name=\"commentId:uid\"></comment-start>bar</p>\n\t *\t\t<figure data-comment-end-after=\"commentId:uid\" class=\"image\"><img src=\"abc.jpg\" /></figure>\n\t *\n\t *\t\t// Model:\n\t *\t\t<paragraph>Foo[bar</paragraph>\n\t *\t\t<image src=\"abc.jpg\"></image>]\n\t *\n\t * Where `[]` are boundaries of a marker that will receive the `comment:commentId:uid` name.\n\t *\n\t * Other examples of usage:\n\t *\n\t *\t\t// Using a custom function which is the same as the default conversion:\n\t *\t\teditor.conversion.for( 'upcast' ).dataToMarker( {\n\t *\t\t\tview: 'comment',\n\t *\t\t\tmodel: ( name, conversionApi ) => 'comment:' + name,\n\t *\t\t} );\n\t *\n\t *\t\t// Using the converter priority:\n\t *\t\teditor.conversion.for( 'upcast' ).dataToMarker( {\n\t *\t\t\tview: 'comment',\n\t *\t\t\tmodel: ( name, conversionApi ) => 'comment:' + name,\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #dataToMarker\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.view The marker group name to convert.\n\t * @param {Function} [config.model] A function that takes the `name` part from the view element or attribute and\n\t * {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi upcast conversion API} and returns the marker name.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\tdataToMarker( config ) {\n\t\treturn this.add( upcastDataToMarker( config ) );\n\t}\n}\n\n/**\n * Function factory, creates a converter that converts {@link module:engine/view/documentfragment~DocumentFragment view document fragment}\n * or all children of {@link module:engine/view/element~Element} into\n * {@link module:engine/model/documentfragment~DocumentFragment model document fragment}.\n * This is the \"entry-point\" converter for upcast (view to model conversion). This converter starts the conversion of all children\n * of passed view document fragment. Those children {@link module:engine/view/node~Node view nodes} are then handled by other converters.\n *\n * This also a \"default\", last resort converter for all view elements that has not been converted by other converters.\n * When a view element is being converted to the model but it does not have converter specified, that view element\n * will be converted to {@link module:engine/model/documentfragment~DocumentFragment model document fragment} and returned.\n *\n * @returns {Function} Universal converter for view {@link module:engine/view/documentfragment~DocumentFragment fragments} and\n * {@link module:engine/view/element~Element elements} that returns\n * {@link module:engine/model/documentfragment~DocumentFragment model fragment} with children of converted view item.\n */\nexport function convertToModelFragment() {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Second argument in `consumable.consume` is discarded for ViewDocumentFragment but is needed for ViewElement.\n\t\tif ( !data.modelRange && conversionApi.consumable.consume( data.viewItem, { name: true } ) ) {\n\t\t\tconst { modelRange, modelCursor } = conversionApi.convertChildren( data.viewItem, data.modelCursor );\n\n\t\t\tdata.modelRange = modelRange;\n\t\t\tdata.modelCursor = modelCursor;\n\t\t}\n\t};\n}\n\n/**\n * Function factory, creates a converter that converts {@link module:engine/view/text~Text} to {@link module:engine/model/text~Text}.\n *\n * @returns {Function} {@link module:engine/view/text~Text View text} converter.\n */\nexport function convertText() {\n\treturn ( evt, data, { schema, consumable, writer } ) => {\n\t\tlet position = data.modelCursor;\n\n\t\t// When node is already converted then do nothing.\n\t\tif ( !consumable.test( data.viewItem ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !schema.checkChild( position, '$text' ) ) {\n\t\t\tif ( !isParagraphable( position, '$text', schema ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tposition = wrapInParagraph( position, writer );\n\t\t}\n\n\t\tconsumable.consume( data.viewItem );\n\n\t\tconst text = writer.createText( data.viewItem.data );\n\n\t\twriter.insert( text, position );\n\n\t\tdata.modelRange = writer.createRange(\n\t\t\tposition,\n\t\t\tposition.getShiftedBy( text.offsetSize )\n\t\t);\n\t\tdata.modelCursor = data.modelRange.end;\n\t};\n}\n\n/**\n * Function factory, creates a callback function which converts a {@link module:engine/view/selection~Selection\n * view selection} taken from the {@link module:engine/view/document~Document#event:selectionChange} event\n * and sets in on the {@link module:engine/model/document~Document#selection model}.\n *\n * **Note**: because there is no view selection change dispatcher nor any other advanced view selection to model\n * conversion mechanism, the callback should be set directly on view document.\n *\n *\t\tview.document.on( 'selectionChange', convertSelectionChange( modelDocument, mapper ) );\n *\n * @param {module:engine/model/model~Model} model Data model.\n * @param {module:engine/conversion/mapper~Mapper} mapper Conversion mapper.\n * @returns {Function} {@link module:engine/view/document~Document#event:selectionChange} callback function.\n */\nexport function convertSelectionChange( model, mapper ) {\n\treturn ( evt, data ) => {\n\t\tconst viewSelection = data.newSelection;\n\n\t\tconst ranges = [];\n\n\t\tfor ( const viewRange of viewSelection.getRanges() ) {\n\t\t\tranges.push( mapper.toModelRange( viewRange ) );\n\t\t}\n\n\t\tconst modelSelection = model.createSelection( ranges, { backward: viewSelection.isBackward } );\n\n\t\tif ( !modelSelection.isEqual( model.document.selection ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( modelSelection );\n\t\t\t} );\n\t\t}\n\t};\n}\n\n// View element to model element conversion helper.\n//\n// See {@link ~UpcastHelpers#elementToElement `.elementToElement()` upcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {module:engine/view/matcher~MatcherPattern} [config.view] Pattern matching all view elements which should be converted. If not\n// set, the converter will fire for every view element.\n// @param {String|module:engine/model/element~Element|Function} config.model Name of the model element, a model element\n// instance or a function that takes a view element and returns a model element. The model element will be inserted in the model.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction upcastElementToElement( config ) {\n\tconfig = cloneDeep( config );\n\n\tconst converter = prepareToElementConverter( config );\n\n\tconst elementName = getViewElementNameFromConfig( config.view );\n\tconst eventName = elementName ? 'element:' + elementName : 'element';\n\n\treturn dispatcher => {\n\t\tdispatcher.on( eventName, converter, { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// View element to model attribute conversion helper.\n//\n// See {@link ~UpcastHelpers#elementToAttribute `.elementToAttribute()` upcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {module:engine/view/matcher~MatcherPattern} config.view Pattern matching all view elements which should be converted.\n// @param {String|Object} config.model Model attribute key or an object with `key` and `value` properties, describing\n// the model attribute. `value` property may be set as a function that takes a view element and returns the value.\n// If `String` is given, the model attribute value will be set to `true`.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='low'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction upcastElementToAttribute( config ) {\n\tconfig = cloneDeep( config );\n\n\tnormalizeModelAttributeConfig( config );\n\n\tconst converter = prepareToAttributeConverter( config, false );\n\n\tconst elementName = getViewElementNameFromConfig( config.view );\n\tconst eventName = elementName ? 'element:' + elementName : 'element';\n\n\treturn dispatcher => {\n\t\tdispatcher.on( eventName, converter, { priority: config.converterPriority || 'low' } );\n\t};\n}\n\n// View attribute to model attribute conversion helper.\n//\n// See {@link ~UpcastHelpers#attributeToAttribute `.attributeToAttribute()` upcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String|Object} config.view Specifies which view attribute will be converted. If a `String` is passed,\n// attributes with given key will be converted. If an `Object` is passed, it must have a required `key` property,\n// specifying view attribute key, and may have an optional `value` property, specifying view attribute value and optional `name`\n// property specifying a view element name from/on which the attribute should be converted. `value` can be given as a `String`,\n// a `RegExp` or a function callback, that takes view attribute value as the only parameter and returns `Boolean`.\n// @param {String|Object} config.model Model attribute key or an object with `key` and `value` properties, describing\n// the model attribute. `value` property may be set as a function that takes a view element and returns the value.\n// If `String` is given, the model attribute value will be same as view attribute value.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='low'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction upcastAttributeToAttribute( config ) {\n\tconfig = cloneDeep( config );\n\n\tlet viewKey = null;\n\n\tif ( typeof config.view == 'string' || config.view.key ) {\n\t\tviewKey = normalizeViewAttributeKeyValueConfig( config );\n\t}\n\n\tnormalizeModelAttributeConfig( config, viewKey );\n\n\tconst converter = prepareToAttributeConverter( config, true );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element', converter, { priority: config.converterPriority || 'low' } );\n\t};\n}\n\n// View element to model marker conversion helper.\n//\n// See {@link ~UpcastHelpers#elementToMarker `.elementToMarker()` upcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {module:engine/view/matcher~MatcherPattern} config.view Pattern matching all view elements which should be converted.\n// @param {String|Function} config.model Name of the model marker, or a function that takes a view element and returns\n// a model marker name.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction upcastElementToMarker( config ) {\n\tconfig = cloneDeep( config );\n\n\tnormalizeElementToMarkerConfig( config );\n\n\treturn upcastElementToElement( config );\n}\n\n// View data to model marker conversion helper.\n//\n// See {@link ~UpcastHelpers#dataToMarker} to learn more.\n//\n// @param {Object} config\n// @param {String} config.view\n// @param {Function} [config.model]\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal']\n// @returns {Function} Conversion helper.\nfunction upcastDataToMarker( config ) {\n\tconfig = cloneDeep( config );\n\n\t// Default conversion.\n\tif ( !config.model ) {\n\t\tconfig.model = name => {\n\t\t\treturn name ? config.view + ':' + name : config.view;\n\t\t};\n\t}\n\n\tconst converterStart = prepareToElementConverter( normalizeDataToMarkerConfig( config, 'start' ) );\n\tconst converterEnd = prepareToElementConverter( normalizeDataToMarkerConfig( config, 'end' ) );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:' + config.view + '-start', converterStart, { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'element:' + config.view + '-end', converterEnd, { priority: config.converterPriority || 'normal' } );\n\n\t\t// Below is a hack that is needed to properly handle `converterPriority` for both elements and attributes.\n\t\t// Attribute conversion needs to be performed *after* element conversion.\n\t\t// This converter handles both element conversion and attribute conversion, which means that if a single\n\t\t// `config.converterPriority` is used, it will lead to problems. For example, if `'high'` priority is used,\n\t\t// then attribute conversion will be performed before a lot of element upcast converters.\n\t\t// On the other hand we want to support `config.converterPriority` and overwriting conveters.\n\t\t//\n\t\t// To have it work, we need to do some extra processing for priority for attribute converter.\n\t\t// Priority `'low'` value should be the base value and then we will change it depending on `config.converterPriority` value.\n\t\t//\n\t\t// This hack probably would not be needed if attributes are upcasted separately.\n\t\t//\n\t\tconst basePriority = priorities.get( 'low' );\n\t\tconst maxPriority = priorities.get( 'highest' );\n\t\tconst priorityFactor = priorities.get( config.converterPriority ) / maxPriority; // Number in range [ -1, 1 ].\n\n\t\tdispatcher.on( 'element', upcastAttributeToMarker( config ), { priority: basePriority + priorityFactor } );\n\t};\n}\n\n// Function factory, returns a callback function which converts view attributes to a model marker.\n//\n// The converter looks for elements with `data-group-start-before`, `data-group-start-after`, `data-group-end-before`\n// and `data-group-end-after` attributes and inserts `$marker` model elements before/after those elements.\n// `group` part is specified in `config.view`.\n//\n// @param {Object} config\n// @param {String} config.view\n// @param {Function} [config.model]\n// @returns {Function} Marker converter.\nfunction upcastAttributeToMarker( config ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst attrName = `data-${ config.view }`;\n\n\t\t// This converter wants to add a model element, marking a marker, before/after an element (or maybe even group of elements).\n\t\t// To do that, we can use `data.modelRange` which is set on an element (or a group of elements) that has been upcasted.\n\t\t// But, if the processed view element has not been upcasted yet (it does not have been converted), we need to\n\t\t// fire conversion for its children first, then we will have `data.modelRange` available.\n\t\tif ( !data.modelRange ) {\n\t\t\tdata = Object.assign( data, conversionApi.convertChildren( data.viewItem, data.modelCursor ) );\n\t\t}\n\n\t\tif ( conversionApi.consumable.consume( data.viewItem, { attributes: attrName + '-end-after' } ) ) {\n\t\t\taddMarkerElements( data.modelRange.end, data.viewItem.getAttribute( attrName + '-end-after' ).split( ',' ) );\n\t\t}\n\n\t\tif ( conversionApi.consumable.consume( data.viewItem, { attributes: attrName + '-start-after' } ) ) {\n\t\t\taddMarkerElements( data.modelRange.end, data.viewItem.getAttribute( attrName + '-start-after' ).split( ',' ) );\n\t\t}\n\n\t\tif ( conversionApi.consumable.consume( data.viewItem, { attributes: attrName + '-end-before' } ) ) {\n\t\t\taddMarkerElements( data.modelRange.start, data.viewItem.getAttribute( attrName + '-end-before' ).split( ',' ) );\n\t\t}\n\n\t\tif ( conversionApi.consumable.consume( data.viewItem, { attributes: attrName + '-start-before' } ) ) {\n\t\t\taddMarkerElements( data.modelRange.start, data.viewItem.getAttribute( attrName + '-start-before' ).split( ',' ) );\n\t\t}\n\n\t\tfunction addMarkerElements( position, markerViewNames ) {\n\t\t\tfor ( const markerViewName of markerViewNames ) {\n\t\t\t\tconst markerName = config.model( markerViewName, conversionApi );\n\t\t\t\tconst element = conversionApi.writer.createElement( '$marker', { 'data-name': markerName } );\n\n\t\t\t\tconversionApi.writer.insert( element, position );\n\n\t\t\t\tif ( data.modelCursor.isEqual( position ) ) {\n\t\t\t\t\tdata.modelCursor = data.modelCursor.getShiftedBy( 1 );\n\t\t\t\t} else {\n\t\t\t\t\tdata.modelCursor = data.modelCursor._getTransformedByInsertion( position, 1 );\n\t\t\t\t}\n\n\t\t\t\tdata.modelRange = data.modelRange._getTransformedByInsertion( position, 1 )[ 0 ];\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Helper function for from-view-element conversion. Checks if `config.view` directly specifies converted view element's name\n// and if so, returns it.\n//\n// @param {Object} config Conversion view config.\n// @returns {String|null} View element name or `null` if name is not directly set.\nfunction getViewElementNameFromConfig( viewConfig ) {\n\tif ( typeof viewConfig == 'string' ) {\n\t\treturn viewConfig;\n\t}\n\n\tif ( typeof viewConfig == 'object' && typeof viewConfig.name == 'string' ) {\n\t\treturn viewConfig.name;\n\t}\n\n\treturn null;\n}\n\n// Helper for to-model-element conversion. Takes a config object and returns a proper converter function.\n//\n// @param {Object} config Conversion configuration.\n// @returns {Function} View to model converter.\nfunction prepareToElementConverter( config ) {\n\tconst matcher = new Matcher( config.view );\n\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst matcherResult = matcher.match( data.viewItem );\n\n\t\tif ( !matcherResult ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst match = matcherResult.match;\n\n\t\t// Force consuming element's name.\n\t\tmatch.name = true;\n\n\t\tif ( !conversionApi.consumable.test( data.viewItem, match ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelElement = getModelElement( config.model, data.viewItem, conversionApi );\n\n\t\tif ( !modelElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.safeInsert( modelElement, data.modelCursor ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconversionApi.consumable.consume( data.viewItem, match );\n\t\tconversionApi.convertChildren( data.viewItem, modelElement );\n\t\tconversionApi.updateConversionResult( modelElement, data );\n\t};\n}\n\n// Helper function for upcasting-to-element converter. Takes the model configuration, the converted view element\n// and a writer instance and returns a model element instance to be inserted in the model.\n//\n// @param {String|Function|module:engine/model/element~Element} model Model conversion configuration.\n// @param {module:engine/view/node~Node} input The converted view node.\n// @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi The upcast conversion API.\nfunction getModelElement( model, input, conversionApi ) {\n\tif ( model instanceof Function ) {\n\t\treturn model( input, conversionApi );\n\t} else {\n\t\treturn conversionApi.writer.createElement( model );\n\t}\n}\n\n// Helper function view-attribute-to-model-attribute helper. Normalizes `config.view` which was set as `String` or\n// as an `Object` with `key`, `value` and `name` properties. Normalized `config.view` has is compatible with\n// {@link module:engine/view/matcher~MatcherPattern}.\n//\n// @param {Object} config Conversion config.\n// @returns {String} Key of the converted view attribute.\nfunction normalizeViewAttributeKeyValueConfig( config ) {\n\tif ( typeof config.view == 'string' ) {\n\t\tconfig.view = { key: config.view };\n\t}\n\n\tconst key = config.view.key;\n\tlet normalized;\n\n\tif ( key == 'class' || key == 'style' ) {\n\t\tconst keyName = key == 'class' ? 'classes' : 'styles';\n\n\t\tnormalized = {\n\t\t\t[ keyName ]: config.view.value\n\t\t};\n\t} else {\n\t\tconst value = typeof config.view.value == 'undefined' ? /[\\s\\S]*/ : config.view.value;\n\n\t\tnormalized = {\n\t\t\tattributes: {\n\t\t\t\t[ key ]: value\n\t\t\t}\n\t\t};\n\t}\n\n\tif ( config.view.name ) {\n\t\tnormalized.name = config.view.name;\n\t}\n\n\tconfig.view = normalized;\n\n\treturn key;\n}\n\n// Helper function that normalizes `config.model` in from-model-attribute conversion. `config.model` can be set\n// as a `String`, an `Object` with only `key` property or an `Object` with `key` and `value` properties. Normalized\n// `config.model` is an `Object` with `key` and `value` properties.\n//\n// @param {Object} config Conversion config.\n// @param {String} viewAttributeKeyToCopy Key of the converted view attribute. If it is set, model attribute value\n// will be equal to view attribute value.\nfunction normalizeModelAttributeConfig( config, viewAttributeKeyToCopy = null ) {\n\tconst defaultModelValue = viewAttributeKeyToCopy === null ? true : viewElement => viewElement.getAttribute( viewAttributeKeyToCopy );\n\n\tconst key = typeof config.model != 'object' ? config.model : config.model.key;\n\tconst value = typeof config.model != 'object' || typeof config.model.value == 'undefined' ? defaultModelValue : config.model.value;\n\n\tconfig.model = { key, value };\n}\n\n// Helper for to-model-attribute conversion. Takes the model attribute name and conversion configuration and returns\n// a proper converter function.\n//\n// @param {String} modelAttributeKey The key of the model attribute to set on a model node.\n// @param {Object|Array.<Object>} config Conversion configuration. It is possible to provide multiple configurations in an array.\n// @param {Boolean} shallow If set to `true` the attribute will be set only on top-level nodes. Otherwise, it will be set\n// on all elements in the range.\nfunction prepareToAttributeConverter( config, shallow ) {\n\tconst matcher = new Matcher( config.view );\n\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst match = matcher.match( data.viewItem );\n\n\t\t// If there is no match, this callback should not do anything.\n\t\tif ( !match ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelKey = config.model.key;\n\t\tconst modelValue = typeof config.model.value == 'function' ?\n\t\t\tconfig.model.value( data.viewItem, conversionApi ) : config.model.value;\n\n\t\t// Do not convert if attribute building function returned falsy value.\n\t\tif ( modelValue === null ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( onlyViewNameIsDefined( config.view, data.viewItem ) ) {\n\t\t\tmatch.match.name = true;\n\t\t} else {\n\t\t\t// Do not test or consume `name` consumable.\n\t\t\tdelete match.match.name;\n\t\t}\n\n\t\t// Try to consume appropriate values from consumable values list.\n\t\tif ( !conversionApi.consumable.test( data.viewItem, match.match ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Since we are converting to attribute we need an range on which we will set the attribute.\n\t\t// If the range is not created yet, we will create it.\n\t\tif ( !data.modelRange ) {\n\t\t\t// Convert children and set conversion result as a current data.\n\t\t\tdata = Object.assign( data, conversionApi.convertChildren( data.viewItem, data.modelCursor ) );\n\t\t}\n\n\t\t// Set attribute on current `output`. `Schema` is checked inside this helper function.\n\t\tconst attributeWasSet = setAttributeOn( data.modelRange, { key: modelKey, value: modelValue }, shallow, conversionApi );\n\n\t\tif ( attributeWasSet ) {\n\t\t\tconversionApi.consumable.consume( data.viewItem, match.match );\n\t\t}\n\t};\n}\n\n// Helper function that checks if element name should be consumed in attribute converters.\n//\n// @param {Object} config Conversion view config.\n// @returns {Boolean}\nfunction onlyViewNameIsDefined( viewConfig, viewItem ) {\n\t// https://github.com/ckeditor/ckeditor5-engine/issues/1786\n\tconst configToTest = typeof viewConfig == 'function' ? viewConfig( viewItem ) : viewConfig;\n\n\tif ( typeof configToTest == 'object' && !getViewElementNameFromConfig( configToTest ) ) {\n\t\treturn false;\n\t}\n\n\treturn !configToTest.classes && !configToTest.attributes && !configToTest.styles;\n}\n\n// Helper function for to-model-attribute converter. Sets model attribute on given range. Checks {@link module:engine/model/schema~Schema}\n// to ensure proper model structure.\n//\n// @param {module:engine/model/range~Range} modelRange Model range on which attribute should be set.\n// @param {Object} modelAttribute Model attribute to set.\n// @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion API.\n// @param {Boolean} shallow If set to `true` the attribute will be set only on top-level nodes. Otherwise, it will be set\n// on all elements in the range.\n// @returns {Boolean} `true` if attribute was set on at least one node from given `modelRange`.\nfunction setAttributeOn( modelRange, modelAttribute, shallow, conversionApi ) {\n\tlet result = false;\n\n\t// Set attribute on each item in range according to Schema.\n\tfor ( const node of Array.from( modelRange.getItems( { shallow } ) ) ) {\n\t\tif ( conversionApi.schema.checkAttribute( node, modelAttribute.key ) ) {\n\t\t\tconversionApi.writer.setAttribute( modelAttribute.key, modelAttribute.value, node );\n\n\t\t\tresult = true;\n\t\t}\n\t}\n\n\treturn result;\n}\n\n// Helper function for upcasting-to-marker conversion. Takes the config in a format requested by `upcastElementToMarker()`\n// function and converts it to a format that is supported by `upcastElementToElement()` function.\n//\n// @param {Object} config Conversion configuration.\nfunction normalizeElementToMarkerConfig( config ) {\n\tconst oldModel = config.model;\n\n\tconfig.model = ( viewElement, conversionApi ) => {\n\t\tconst markerName = typeof oldModel == 'string' ? oldModel : oldModel( viewElement, conversionApi );\n\n\t\treturn conversionApi.writer.createElement( '$marker', { 'data-name': markerName } );\n\t};\n}\n\n// Helper function for upcasting-to-marker conversion. Takes the config in a format requested by `upcastDataToMarker()`\n// function and converts it to a format that is supported by `upcastElementToElement()` function.\n//\n// @param {Object} config Conversion configuration.\nfunction normalizeDataToMarkerConfig( config, type ) {\n\tconst configForElements = {};\n\n\t// Upcast <markerGroup-start> and <markerGroup-end> elements.\n\tconfigForElements.view = config.view + '-' + type;\n\n\tconfigForElements.model = ( viewElement, conversionApi ) => {\n\t\tconst viewName = viewElement.getAttribute( 'name' );\n\t\tconst markerName = config.model( viewName, conversionApi );\n\n\t\treturn conversionApi.writer.createElement( '$marker', { 'data-name': markerName } );\n\t};\n\n\treturn configForElements;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/controller/editingcontroller\n */\n\nimport RootEditableElement from '../view/rooteditableelement';\nimport View from '../view/view';\nimport Mapper from '../conversion/mapper';\nimport DowncastDispatcher from '../conversion/downcastdispatcher';\nimport { clearAttributes, convertCollapsedSelection, convertRangeSelection, insertText, remove } from '../conversion/downcasthelpers';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { convertSelectionChange } from '../conversion/upcasthelpers';\n\n// @if CK_DEBUG_ENGINE // const { dumpTrees, initDocumentDumping } = require( '../dev-utils/utils' );\n\n/**\n * Controller for the editing pipeline. The editing pipeline controls {@link ~EditingController#model model} rendering,\n * including selection handling. It also creates the {@link ~EditingController#view view} which builds a\n * browser-independent virtualization over the DOM elements. The editing controller also attaches default converters.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class EditingController {\n\t/**\n\t * Creates an editing controller instance.\n\t *\n\t * @param {module:engine/model/model~Model} model Editing model.\n\t * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor The styles processor instance.\n\t */\n\tconstructor( model, stylesProcessor ) {\n\t\t/**\n\t\t * Editor model.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * Editing view controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/view~View}\n\t\t */\n\t\tthis.view = new View( stylesProcessor );\n\n\t\t/**\n\t\t * Mapper which describes the model-view binding.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/mapper~Mapper}\n\t\t */\n\t\tthis.mapper = new Mapper();\n\n\t\t/**\n\t\t * Downcast dispatcher that converts changes from the model to {@link #view the editing view}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/downcastdispatcher~DowncastDispatcher} #downcastDispatcher\n\t\t */\n\t\tthis.downcastDispatcher = new DowncastDispatcher( {\n\t\t\tmapper: this.mapper,\n\t\t\tschema: model.schema\n\t\t} );\n\n\t\tconst doc = this.model.document;\n\t\tconst selection = doc.selection;\n\t\tconst markers = this.model.markers;\n\n\t\t// When plugins listen on model changes (on selection change, post fixers, etc.) and change the view as a result of\n\t\t// model's change, they might trigger view rendering before the conversion is completed (e.g. before the selection\n\t\t// is converted). We disable rendering for the length of the outermost model change() block to prevent that.\n\t\t//\n\t\t// See https://github.com/ckeditor/ckeditor5-engine/issues/1528\n\t\tthis.listenTo( this.model, '_beforeChanges', () => {\n\t\t\tthis.view._disableRendering( true );\n\t\t}, { priority: 'highest' } );\n\n\t\tthis.listenTo( this.model, '_afterChanges', () => {\n\t\t\tthis.view._disableRendering( false );\n\t\t}, { priority: 'lowest' } );\n\n\t\t// Whenever model document is changed, convert those changes to the view (using model.Document#differ).\n\t\t// Do it on 'low' priority, so changes are converted after other listeners did their job.\n\t\t// Also convert model selection.\n\t\tthis.listenTo( doc, 'change', () => {\n\t\t\tthis.view.change( writer => {\n\t\t\t\tthis.downcastDispatcher.convertChanges( doc.differ, markers, writer );\n\t\t\t\tthis.downcastDispatcher.convertSelection( selection, markers, writer );\n\t\t\t} );\n\t\t}, { priority: 'low' } );\n\n\t\t// Convert selection from the view to the model when it changes in the view.\n\t\tthis.listenTo( this.view.document, 'selectionChange', convertSelectionChange( this.model, this.mapper ) );\n\n\t\t// Attach default model converters.\n\t\tthis.downcastDispatcher.on( 'insert:$text', insertText(), { priority: 'lowest' } );\n\t\tthis.downcastDispatcher.on( 'remove', remove(), { priority: 'low' } );\n\n\t\t// Attach default model selection converters.\n\t\tthis.downcastDispatcher.on( 'selection', clearAttributes(), { priority: 'low' } );\n\t\tthis.downcastDispatcher.on( 'selection', convertRangeSelection(), { priority: 'low' } );\n\t\tthis.downcastDispatcher.on( 'selection', convertCollapsedSelection(), { priority: 'low' } );\n\n\t\t// Binds {@link module:engine/view/document~Document#roots view roots collection} to\n\t\t// {@link module:engine/model/document~Document#roots model roots collection} so creating\n\t\t// model root automatically creates corresponding view root.\n\t\tthis.view.document.roots.bindTo( this.model.document.roots ).using( root => {\n\t\t\t// $graveyard is a special root that has no reflection in the view.\n\t\t\tif ( root.rootName == '$graveyard' ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tconst viewRoot = new RootEditableElement( this.view.document, root.name );\n\n\t\t\tviewRoot.rootName = root.rootName;\n\t\t\tthis.mapper.bindElements( root, viewRoot );\n\n\t\t\treturn viewRoot;\n\t\t} );\n\n\t\t// @if CK_DEBUG_ENGINE // initDocumentDumping( this.model.document );\n\t\t// @if CK_DEBUG_ENGINE // initDocumentDumping( this.view.document );\n\n\t\t// @if CK_DEBUG_ENGINE // dumpTrees( this.model.document, this.model.document.version );\n\t\t// @if CK_DEBUG_ENGINE // dumpTrees( this.view.document, this.model.document.version );\n\n\t\t// @if CK_DEBUG_ENGINE // this.model.document.on( 'change', () => {\n\t\t// @if CK_DEBUG_ENGINE //\tdumpTrees( this.view.document, this.model.document.version );\n\t\t// @if CK_DEBUG_ENGINE // }, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * Removes all event listeners attached to the `EditingController`. Destroys all objects created\n\t * by `EditingController` that need to be destroyed.\n\t */\n\tdestroy() {\n\t\tthis.view.destroy();\n\t\tthis.stopListening();\n\t}\n}\n\nmix( EditingController, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/commandcollection\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Collection of commands. Its instance is available in {@link module:core/editor/editor~Editor#commands `editor.commands`}.\n */\nexport default class CommandCollection {\n\t/**\n\t * Creates collection instance.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Command map.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._commands = new Map();\n\t}\n\n\t/**\n\t * Registers a new command.\n\t *\n\t * @param {String} commandName The name of the command.\n\t * @param {module:core/command~Command} command\n\t */\n\tadd( commandName, command ) {\n\t\tthis._commands.set( commandName, command );\n\t}\n\n\t/**\n\t * Retrieves a command from the collection.\n\t *\n\t * @param {String} commandName The name of the command.\n\t * @returns {module:core/command~Command}\n\t */\n\tget( commandName ) {\n\t\treturn this._commands.get( commandName );\n\t}\n\n\t/**\n\t * Executes a command.\n\t *\n\t * @param {String} commandName The name of the command.\n\t * @param {*} [...commandParams] Command parameters.\n\t * @returns {*} The value returned by the {@link module:core/command~Command#execute `command.execute()`}.\n\t */\n\texecute( commandName, ...args ) {\n\t\tconst command = this.get( commandName );\n\n\t\tif ( !command ) {\n\t\t\t/**\n\t\t\t * Command does not exist.\n\t\t\t *\n\t\t\t * @error commandcollection-command-not-found\n\t\t\t * @param {String} commandName Name of the command.\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'commandcollection-command-not-found', this, { commandName } );\n\t\t}\n\n\t\treturn command.execute( ...args );\n\t}\n\n\t/**\n\t * Returns iterator of command names.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\t* names() {\n\t\tyield* this._commands.keys();\n\t}\n\n\t/**\n\t * Returns iterator of command instances.\n\t *\n\t * @returns {Iterable.<module:core/command~Command>}\n\t */\n\t* commands() {\n\t\tyield* this._commands.values();\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Returns `[ commandName, commandInstance ]` pairs.\n\t *\n\t * @returns {Iterable.<Array>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._commands[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Destroys all collection commands.\n\t */\n\tdestroy() {\n\t\tfor ( const command of this.commands() ) {\n\t\t\tcommand.destroy();\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/viewconsumable\n */\n\nimport { isArray } from 'lodash-es';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Class used for handling consumption of view {@link module:engine/view/element~Element elements},\n * {@link module:engine/view/text~Text text nodes} and {@link module:engine/view/documentfragment~DocumentFragment document fragments}.\n * Element's name and its parts (attributes, classes and styles) can be consumed separately. Consuming an element's name\n * does not consume its attributes, classes and styles.\n * To add items for consumption use {@link module:engine/conversion/viewconsumable~ViewConsumable#add add method}.\n * To test items use {@link module:engine/conversion/viewconsumable~ViewConsumable#test test method}.\n * To consume items use {@link module:engine/conversion/viewconsumable~ViewConsumable#consume consume method}.\n * To revert already consumed items use {@link module:engine/conversion/viewconsumable~ViewConsumable#revert revert method}.\n *\n *\t\tviewConsumable.add( element, { name: true } ); // Adds element's name as ready to be consumed.\n *\t\tviewConsumable.add( textNode ); // Adds text node for consumption.\n *\t\tviewConsumable.add( docFragment ); // Adds document fragment for consumption.\n *\t\tviewConsumable.test( element, { name: true }  ); // Tests if element's name can be consumed.\n *\t\tviewConsumable.test( textNode ); // Tests if text node can be consumed.\n *\t\tviewConsumable.test( docFragment ); // Tests if document fragment can be consumed.\n *\t\tviewConsumable.consume( element, { name: true }  ); // Consume element's name.\n *\t\tviewConsumable.consume( textNode ); // Consume text node.\n *\t\tviewConsumable.consume( docFragment ); // Consume document fragment.\n *\t\tviewConsumable.revert( element, { name: true }  ); // Revert already consumed element's name.\n *\t\tviewConsumable.revert( textNode ); // Revert already consumed text node.\n *\t\tviewConsumable.revert( docFragment ); // Revert already consumed document fragment.\n */\nexport default class ViewConsumable {\n\t/**\n\t * Creates new ViewConsumable.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Map of consumable elements. If {@link module:engine/view/element~Element element} is used as a key,\n\t\t * {@link module:engine/conversion/viewconsumable~ViewElementConsumables ViewElementConsumables} instance is stored as value.\n\t\t * For {@link module:engine/view/text~Text text nodes} and\n\t\t * {@link module:engine/view/documentfragment~DocumentFragment document fragments} boolean value is stored as value.\n\t\t *\n\t\t * @protected\n\t\t * @member {Map.<module:engine/conversion/viewconsumable~ViewElementConsumables|Boolean>}\n\t\t*/\n\t\tthis._consumables = new Map();\n\t}\n\n\t/**\n\t * Adds {@link module:engine/view/element~Element view element}, {@link module:engine/view/text~Text text node} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment} as ready to be consumed.\n\t *\n\t *\t\tviewConsumable.add( p, { name: true } ); // Adds element's name to consume.\n\t *\t\tviewConsumable.add( p, { attributes: 'name' } ); // Adds element's attribute.\n\t *\t\tviewConsumable.add( p, { classes: 'foobar' } ); // Adds element's class.\n\t *\t\tviewConsumable.add( p, { styles: 'color' } ); // Adds element's style\n\t *\t\tviewConsumable.add( p, { attributes: 'name', styles: 'color' } ); // Adds attribute and style.\n\t *\t\tviewConsumable.add( p, { classes: [ 'baz', 'bar' ] } ); // Multiple consumables can be provided.\n\t *\t\tviewConsumable.add( textNode ); // Adds text node to consume.\n\t *\t\tviewConsumable.add( docFragment ); // Adds document fragment to consume.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `viewconsumable-invalid-attribute` when `class` or `style`\n\t * attribute is provided - it should be handled separately by providing actual style/class.\n\t *\n\t *\t\tviewConsumable.add( p, { attributes: 'style' } ); // This call will throw an exception.\n\t *\t\tviewConsumable.add( p, { styles: 'color' } ); // This is properly handled style.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/text~Text|module:engine/view/documentfragment~DocumentFragment} element\n\t * @param {Object} [consumables] Used only if first parameter is {@link module:engine/view/element~Element view element} instance.\n\t * @param {Boolean} consumables.name If set to true element's name will be included.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names.\n\t */\n\tadd( element, consumables ) {\n\t\tlet elementConsumables;\n\n\t\t// For text nodes and document fragments just mark them as consumable.\n\t\tif ( element.is( '$text' ) || element.is( 'documentFragment' ) ) {\n\t\t\tthis._consumables.set( element, true );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// For elements create new ViewElementConsumables or update already existing one.\n\t\tif ( !this._consumables.has( element ) ) {\n\t\t\telementConsumables = new ViewElementConsumables( element );\n\t\t\tthis._consumables.set( element, elementConsumables );\n\t\t} else {\n\t\t\telementConsumables = this._consumables.get( element );\n\t\t}\n\n\t\telementConsumables.add( consumables );\n\t}\n\n\t/**\n\t * Tests if {@link module:engine/view/element~Element view element}, {@link module:engine/view/text~Text text node} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment} can be consumed.\n\t * It returns `true` when all items included in method's call can be consumed. Returns `false` when\n\t * first already consumed item is found and `null` when first non-consumable item is found.\n\t *\n\t *\t\tviewConsumable.test( p, { name: true } ); // Tests element's name.\n\t *\t\tviewConsumable.test( p, { attributes: 'name' } ); // Tests attribute.\n\t *\t\tviewConsumable.test( p, { classes: 'foobar' } ); // Tests class.\n\t *\t\tviewConsumable.test( p, { styles: 'color' } ); // Tests style.\n\t *\t\tviewConsumable.test( p, { attributes: 'name', styles: 'color' } ); // Tests attribute and style.\n\t *\t\tviewConsumable.test( p, { classes: [ 'baz', 'bar' ] } ); // Multiple consumables can be tested.\n\t *\t\tviewConsumable.test( textNode ); // Tests text node.\n\t *\t\tviewConsumable.test( docFragment ); // Tests document fragment.\n\t *\n\t * Testing classes and styles as attribute will test if all added classes/styles can be consumed.\n\t *\n\t *\t\tviewConsumable.test( p, { attributes: 'class' } ); // Tests if all added classes can be consumed.\n\t *\t\tviewConsumable.test( p, { attributes: 'style' } ); // Tests if all added styles can be consumed.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/text~Text|module:engine/view/documentfragment~DocumentFragment} element\n\t * @param {Object} [consumables] Used only if first parameter is {@link module:engine/view/element~Element view element} instance.\n\t * @param {Boolean} consumables.name If set to true element's name will be included.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names.\n\t * @returns {Boolean|null} Returns `true` when all items included in method's call can be consumed. Returns `false`\n\t * when first already consumed item is found and `null` when first non-consumable item is found.\n\t */\n\ttest( element, consumables ) {\n\t\tconst elementConsumables = this._consumables.get( element );\n\n\t\tif ( elementConsumables === undefined ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// For text nodes and document fragments return stored boolean value.\n\t\tif ( element.is( '$text' ) || element.is( 'documentFragment' ) ) {\n\t\t\treturn elementConsumables;\n\t\t}\n\n\t\t// For elements test consumables object.\n\t\treturn elementConsumables.test( consumables );\n\t}\n\n\t/**\n\t * Consumes {@link module:engine/view/element~Element view element}, {@link module:engine/view/text~Text text node} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment}.\n\t * It returns `true` when all items included in method's call can be consumed, otherwise returns `false`.\n\t *\n\t *\t\tviewConsumable.consume( p, { name: true } ); // Consumes element's name.\n\t *\t\tviewConsumable.consume( p, { attributes: 'name' } ); // Consumes element's attribute.\n\t *\t\tviewConsumable.consume( p, { classes: 'foobar' } ); // Consumes element's class.\n\t *\t\tviewConsumable.consume( p, { styles: 'color' } ); // Consumes element's style.\n\t *\t\tviewConsumable.consume( p, { attributes: 'name', styles: 'color' } ); // Consumes attribute and style.\n\t *\t\tviewConsumable.consume( p, { classes: [ 'baz', 'bar' ] } ); // Multiple consumables can be consumed.\n\t *\t\tviewConsumable.consume( textNode ); // Consumes text node.\n\t *\t\tviewConsumable.consume( docFragment ); // Consumes document fragment.\n\t *\n\t * Consuming classes and styles as attribute will test if all added classes/styles can be consumed.\n\t *\n\t *\t\tviewConsumable.consume( p, { attributes: 'class' } ); // Consume only if all added classes can be consumed.\n\t *\t\tviewConsumable.consume( p, { attributes: 'style' } ); // Consume only if all added styles can be consumed.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/text~Text|module:engine/view/documentfragment~DocumentFragment} element\n\t * @param {Object} [consumables] Used only if first parameter is {@link module:engine/view/element~Element view element} instance.\n\t * @param {Boolean} consumables.name If set to true element's name will be included.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names.\n\t * @returns {Boolean} Returns `true` when all items included in method's call can be consumed,\n\t * otherwise returns `false`.\n\t */\n\tconsume( element, consumables ) {\n\t\tif ( this.test( element, consumables ) ) {\n\t\t\tif ( element.is( '$text' ) || element.is( 'documentFragment' ) ) {\n\t\t\t\t// For text nodes and document fragments set value to false.\n\t\t\t\tthis._consumables.set( element, false );\n\t\t\t} else {\n\t\t\t\t// For elements - consume consumables object.\n\t\t\t\tthis._consumables.get( element ).consume( consumables );\n\t\t\t}\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Reverts {@link module:engine/view/element~Element view element}, {@link module:engine/view/text~Text text node} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment} so they can be consumed once again.\n\t * Method does not revert items that were never previously added for consumption, even if they are included in\n\t * method's call.\n\t *\n\t *\t\tviewConsumable.revert( p, { name: true } ); // Reverts element's name.\n\t *\t\tviewConsumable.revert( p, { attributes: 'name' } ); // Reverts element's attribute.\n\t *\t\tviewConsumable.revert( p, { classes: 'foobar' } ); // Reverts element's class.\n\t *\t\tviewConsumable.revert( p, { styles: 'color' } ); // Reverts element's style.\n\t *\t\tviewConsumable.revert( p, { attributes: 'name', styles: 'color' } ); // Reverts attribute and style.\n\t *\t\tviewConsumable.revert( p, { classes: [ 'baz', 'bar' ] } ); // Multiple names can be reverted.\n\t *\t\tviewConsumable.revert( textNode ); // Reverts text node.\n\t *\t\tviewConsumable.revert( docFragment ); // Reverts document fragment.\n\t *\n\t * Reverting classes and styles as attribute will revert all classes/styles that were previously added for\n\t * consumption.\n\t *\n\t *\t\tviewConsumable.revert( p, { attributes: 'class' } ); // Reverts all classes added for consumption.\n\t *\t\tviewConsumable.revert( p, { attributes: 'style' } ); // Reverts all styles added for consumption.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/text~Text|module:engine/view/documentfragment~DocumentFragment} element\n\t * @param {Object} [consumables] Used only if first parameter is {@link module:engine/view/element~Element view element} instance.\n\t * @param {Boolean} consumables.name If set to true element's name will be included.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names.\n\t */\n\trevert( element, consumables ) {\n\t\tconst elementConsumables = this._consumables.get( element );\n\n\t\tif ( elementConsumables !== undefined ) {\n\t\t\tif ( element.is( '$text' ) || element.is( 'documentFragment' ) ) {\n\t\t\t\t// For text nodes and document fragments - set consumable to true.\n\t\t\t\tthis._consumables.set( element, true );\n\t\t\t} else {\n\t\t\t\t// For elements - revert items from consumables object.\n\t\t\t\telementConsumables.revert( consumables );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Creates consumable object from {@link module:engine/view/element~Element view element}. Consumable object will include\n\t * element's name and all its attributes, classes and styles.\n\t *\n\t * @static\n\t * @param {module:engine/view/element~Element} element\n\t * @returns {Object} consumables\n\t */\n\tstatic consumablesFromElement( element ) {\n\t\tconst consumables = {\n\t\t\telement,\n\t\t\tname: true,\n\t\t\tattributes: [],\n\t\t\tclasses: [],\n\t\t\tstyles: []\n\t\t};\n\n\t\tconst attributes = element.getAttributeKeys();\n\n\t\tfor ( const attribute of attributes ) {\n\t\t\t// Skip classes and styles - will be added separately.\n\t\t\tif ( attribute == 'style' || attribute == 'class' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconsumables.attributes.push( attribute );\n\t\t}\n\n\t\tconst classes = element.getClassNames();\n\n\t\tfor ( const className of classes ) {\n\t\t\tconsumables.classes.push( className );\n\t\t}\n\n\t\tconst styles = element.getStyleNames();\n\n\t\tfor ( const style of styles ) {\n\t\t\tconsumables.styles.push( style );\n\t\t}\n\n\t\treturn consumables;\n\t}\n\n\t/**\n\t * Creates {@link module:engine/conversion/viewconsumable~ViewConsumable ViewConsumable} instance from\n\t * {@link module:engine/view/node~Node node} or {@link module:engine/view/documentfragment~DocumentFragment document fragment}.\n\t * Instance will contain all elements, child nodes, attributes, styles and classes added for consumption.\n\t *\n\t * @static\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} from View node or document fragment\n\t * from which `ViewConsumable` will be created.\n\t * @param {module:engine/conversion/viewconsumable~ViewConsumable} [instance] If provided, given `ViewConsumable` instance will be used\n\t * to add all consumables. It will be returned instead of a new instance.\n\t */\n\tstatic createFrom( from, instance ) {\n\t\tif ( !instance ) {\n\t\t\tinstance = new ViewConsumable( from );\n\t\t}\n\n\t\tif ( from.is( '$text' ) ) {\n\t\t\tinstance.add( from );\n\n\t\t\treturn instance;\n\t\t}\n\n\t\t// Add `from` itself, if it is an element.\n\t\tif ( from.is( 'element' ) ) {\n\t\t\tinstance.add( from, ViewConsumable.consumablesFromElement( from ) );\n\t\t}\n\n\t\tif ( from.is( 'documentFragment' ) ) {\n\t\t\tinstance.add( from );\n\t\t}\n\n\t\tfor ( const child of from.getChildren() ) {\n\t\t\tinstance = ViewConsumable.createFrom( child, instance );\n\t\t}\n\n\t\treturn instance;\n\t}\n}\n\n/**\n * This is a private helper-class for {@link module:engine/conversion/viewconsumable~ViewConsumable}.\n * It represents and manipulates consumable parts of a single {@link module:engine/view/element~Element}.\n *\n * @private\n */\nclass ViewElementConsumables {\n\t/**\n\t * Creates ViewElementConsumables instance.\n\t *\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} from View node or document fragment\n\t * from which `ViewElementConsumables` is being created.\n\t */\n\tconstructor( from ) {\n\t\t/**\n\t\t * @readonly\n\t\t * @member {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t\t */\n\t\tthis.element = from;\n\n\t\t/**\n\t\t * Flag indicating if name of the element can be consumed.\n\t\t *\n\t\t * @private\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._canConsumeName = null;\n\n\t\t/**\n\t\t * Contains maps of element's consumables: attributes, classes and styles.\n\t\t *\n\t\t * @private\n\t\t * @member {Object}\n\t\t */\n\t\tthis._consumables = {\n\t\t\tattributes: new Map(),\n\t\t\tstyles: new Map(),\n\t\t\tclasses: new Map()\n\t\t};\n\t}\n\n\t/**\n\t * Adds consumable parts of the {@link module:engine/view/element~Element view element}.\n\t * Element's name itself can be marked to be consumed (when element's name is consumed its attributes, classes and\n\t * styles still could be consumed):\n\t *\n\t *\t\tconsumables.add( { name: true } );\n\t *\n\t * Attributes classes and styles:\n\t *\n\t *\t\tconsumables.add( { attributes: 'title', classes: 'foo', styles: 'color' } );\n\t *\t\tconsumables.add( { attributes: [ 'title', 'name' ], classes: [ 'foo', 'bar' ] );\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `viewconsumable-invalid-attribute` when `class` or `style`\n\t * attribute is provided - it should be handled separately by providing `style` and `class` in consumables object.\n\t *\n\t * @param {Object} consumables Object describing which parts of the element can be consumed.\n\t * @param {Boolean} consumables.name If set to `true` element's name will be added as consumable.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names to add as consumable.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names to add as consumable.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names to add as consumable.\n\t */\n\tadd( consumables ) {\n\t\tif ( consumables.name ) {\n\t\t\tthis._canConsumeName = true;\n\t\t}\n\n\t\tfor ( const type in this._consumables ) {\n\t\t\tif ( type in consumables ) {\n\t\t\t\tthis._add( type, consumables[ type ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Tests if parts of the {@link module:engine/view/node~Node view node} can be consumed.\n\t *\n\t * Element's name can be tested:\n\t *\n\t *\t\tconsumables.test( { name: true } );\n\t *\n\t * Attributes classes and styles:\n\t *\n\t *\t\tconsumables.test( { attributes: 'title', classes: 'foo', styles: 'color' } );\n\t *\t\tconsumables.test( { attributes: [ 'title', 'name' ], classes: [ 'foo', 'bar' ] );\n\t *\n\t * @param {Object} consumables Object describing which parts of the element should be tested.\n\t * @param {Boolean} consumables.name If set to `true` element's name will be tested.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names to test.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names to test.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names to test.\n\t * @returns {Boolean|null} `true` when all tested items can be consumed, `null` when even one of the items\n\t * was never marked for consumption and `false` when even one of the items was already consumed.\n\t */\n\ttest( consumables ) {\n\t\t// Check if name can be consumed.\n\t\tif ( consumables.name && !this._canConsumeName ) {\n\t\t\treturn this._canConsumeName;\n\t\t}\n\n\t\tfor ( const type in this._consumables ) {\n\t\t\tif ( type in consumables ) {\n\t\t\t\tconst value = this._test( type, consumables[ type ] );\n\n\t\t\t\tif ( value !== true ) {\n\t\t\t\t\treturn value;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Return true only if all can be consumed.\n\t\treturn true;\n\t}\n\n\t/**\n\t * Consumes parts of {@link module:engine/view/element~Element view element}. This function does not check if consumable item\n\t * is already consumed - it consumes all consumable items provided.\n\t * Element's name can be consumed:\n\t *\n\t *\t\tconsumables.consume( { name: true } );\n\t *\n\t * Attributes classes and styles:\n\t *\n\t *\t\tconsumables.consume( { attributes: 'title', classes: 'foo', styles: 'color' } );\n\t *\t\tconsumables.consume( { attributes: [ 'title', 'name' ], classes: [ 'foo', 'bar' ] );\n\t *\n\t * @param {Object} consumables Object describing which parts of the element should be consumed.\n\t * @param {Boolean} consumables.name If set to `true` element's name will be consumed.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names to consume.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names to consume.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names to consume.\n\t */\n\tconsume( consumables ) {\n\t\tif ( consumables.name ) {\n\t\t\tthis._canConsumeName = false;\n\t\t}\n\n\t\tfor ( const type in this._consumables ) {\n\t\t\tif ( type in consumables ) {\n\t\t\t\tthis._consume( type, consumables[ type ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Revert already consumed parts of {@link module:engine/view/element~Element view Element}, so they can be consumed once again.\n\t * Element's name can be reverted:\n\t *\n\t *\t\tconsumables.revert( { name: true } );\n\t *\n\t * Attributes classes and styles:\n\t *\n\t *\t\tconsumables.revert( { attributes: 'title', classes: 'foo', styles: 'color' } );\n\t *\t\tconsumables.revert( { attributes: [ 'title', 'name' ], classes: [ 'foo', 'bar' ] );\n\t *\n\t * @param {Object} consumables Object describing which parts of the element should be reverted.\n\t * @param {Boolean} consumables.name If set to `true` element's name will be reverted.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names to revert.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names to revert.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names to revert.\n\t */\n\trevert( consumables ) {\n\t\tif ( consumables.name ) {\n\t\t\tthis._canConsumeName = true;\n\t\t}\n\n\t\tfor ( const type in this._consumables ) {\n\t\t\tif ( type in consumables ) {\n\t\t\t\tthis._revert( type, consumables[ type ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Helper method that adds consumables of a given type: attribute, class or style.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `viewconsumable-invalid-attribute` when `class` or `style`\n\t * type is provided - it should be handled separately by providing actual style/class type.\n\t *\n\t * @private\n\t * @param {String} type Type of the consumable item: `attributes`, `classes` or `styles`.\n\t * @param {String|Array.<String>} item Consumable item or array of items.\n\t */\n\t_add( type, item ) {\n\t\tconst items = isArray( item ) ? item : [ item ];\n\t\tconst consumables = this._consumables[ type ];\n\n\t\tfor ( const name of items ) {\n\t\t\tif ( type === 'attributes' && ( name === 'class' || name === 'style' ) ) {\n\t\t\t\t/**\n\t\t\t\t * Class and style attributes should be handled separately in\n\t\t\t\t * {@link module:engine/conversion/viewconsumable~ViewConsumable#add `ViewConsumable#add()`}.\n\t\t\t\t *\n\t\t\t\t * What you have done is trying to use:\n\t\t\t\t *\n\t\t\t\t *\t\tconsumables.add( { attributes: [ 'class', 'style' ] } );\n\t\t\t\t *\n\t\t\t\t * While each class and style should be registered separately:\n\t\t\t\t *\n\t\t\t\t *\t\tconsumables.add( { classes: 'some-class', styles: 'font-weight' } );\n\t\t\t\t *\n\t\t\t\t * @error viewconsumable-invalid-attribute\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'viewconsumable-invalid-attribute', this );\n\t\t\t}\n\n\t\t\tconsumables.set( name, true );\n\n\t\t\tif ( type === 'styles' ) {\n\t\t\t\tfor ( const alsoName of this.element.document.stylesProcessor.getRelatedStyles( name ) ) {\n\t\t\t\t\tconsumables.set( alsoName, true );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Helper method that tests consumables of a given type: attribute, class or style.\n\t *\n\t * @private\n\t * @param {String} type Type of the consumable item: `attributes`, `classes` or `styles`.\n\t * @param {String|Array.<String>} item Consumable item or array of items.\n\t * @returns {Boolean|null} Returns `true` if all items can be consumed, `null` when one of the items cannot be\n\t * consumed and `false` when one of the items is already consumed.\n\t */\n\t_test( type, item ) {\n\t\tconst items = isArray( item ) ? item : [ item ];\n\t\tconst consumables = this._consumables[ type ];\n\n\t\tfor ( const name of items ) {\n\t\t\tif ( type === 'attributes' && ( name === 'class' || name === 'style' ) ) {\n\t\t\t\tconst consumableName = name == 'class' ? 'classes' : 'styles';\n\n\t\t\t\t// Check all classes/styles if class/style attribute is tested.\n\t\t\t\tconst value = this._test( consumableName, [ ...this._consumables[ consumableName ].keys() ] );\n\n\t\t\t\tif ( value !== true ) {\n\t\t\t\t\treturn value;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst value = consumables.get( name );\n\t\t\t\t// Return null if attribute is not found.\n\t\t\t\tif ( value === undefined ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tif ( !value ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Helper method that consumes items of a given type: attribute, class or style.\n\t *\n\t * @private\n\t * @param {String} type Type of the consumable item: `attributes`, `classes` or `styles`.\n\t * @param {String|Array.<String>} item Consumable item or array of items.\n\t */\n\t_consume( type, item ) {\n\t\tconst items = isArray( item ) ? item : [ item ];\n\t\tconst consumables = this._consumables[ type ];\n\n\t\tfor ( const name of items ) {\n\t\t\tif ( type === 'attributes' && ( name === 'class' || name === 'style' ) ) {\n\t\t\t\tconst consumableName = name == 'class' ? 'classes' : 'styles';\n\n\t\t\t\t// If class or style is provided for consumption - consume them all.\n\t\t\t\tthis._consume( consumableName, [ ...this._consumables[ consumableName ].keys() ] );\n\t\t\t} else {\n\t\t\t\tconsumables.set( name, false );\n\n\t\t\t\tif ( type == 'styles' ) {\n\t\t\t\t\tfor ( const toConsume of this.element.document.stylesProcessor.getRelatedStyles( name ) ) {\n\t\t\t\t\t\tconsumables.set( toConsume, false );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Helper method that reverts items of a given type: attribute, class or style.\n\t *\n\t * @private\n\t * @param {String} type Type of the consumable item: `attributes`, `classes` or , `styles`.\n\t * @param {String|Array.<String>} item Consumable item or array of items.\n\t */\n\t_revert( type, item ) {\n\t\tconst items = isArray( item ) ? item : [ item ];\n\t\tconst consumables = this._consumables[ type ];\n\n\t\tfor ( const name of items ) {\n\t\t\tif ( type === 'attributes' && ( name === 'class' || name === 'style' ) ) {\n\t\t\t\tconst consumableName = name == 'class' ? 'classes' : 'styles';\n\n\t\t\t\t// If class or style is provided for reverting - revert them all.\n\t\t\t\tthis._revert( consumableName, [ ...this._consumables[ consumableName ].keys() ] );\n\t\t\t} else {\n\t\t\t\tconst value = consumables.get( name );\n\n\t\t\t\tif ( value === false ) {\n\t\t\t\t\tconsumables.set( name, true );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/schema\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\nimport Range from './range';\nimport Position from './position';\nimport Element from './element';\nimport Text from './text';\nimport TreeWalker from './treewalker';\n\n/**\n * The model's schema. It defines allowed and disallowed structures of nodes as well as nodes' attributes.\n * The schema is usually defined by features and based on them the editing framework and features\n * make decisions how to change and process the model.\n *\n * The instance of schema is available in {@link module:engine/model/model~Model#schema `editor.model.schema`}.\n *\n * Read more about the schema in:\n *\n * * {@glink framework/guides/architecture/editing-engine#schema Schema} section of the\n * {@glink framework/guides/architecture/editing-engine Introduction to the Editing engine architecture}.\n * * {@glink framework/guides/deep-dive/schema Schema deep dive} guide.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Schema {\n\t/**\n\t * Creates schema instance.\n\t */\n\tconstructor() {\n\t\tthis._sourceDefinitions = {};\n\n\t\t/**\n\t\t * A dictionary containing attribute properties.\n\t\t *\n\t\t * @private\n\t\t * @member {Object.<String,String>}\n\t\t */\n\t\tthis._attributeProperties = {};\n\n\t\tthis.decorate( 'checkChild' );\n\t\tthis.decorate( 'checkAttribute' );\n\n\t\tthis.on( 'checkAttribute', ( evt, args ) => {\n\t\t\targs[ 0 ] = new SchemaContext( args[ 0 ] );\n\t\t}, { priority: 'highest' } );\n\n\t\tthis.on( 'checkChild', ( evt, args ) => {\n\t\t\targs[ 0 ] = new SchemaContext( args[ 0 ] );\n\t\t\targs[ 1 ] = this.getDefinition( args[ 1 ] );\n\t\t}, { priority: 'highest' } );\n\t}\n\n\t/**\n\t * Registers schema item. Can only be called once for every item name.\n\t *\n\t *\t\tschema.register( 'paragraph', {\n\t *\t\t\tinheritAllFrom: '$block'\n\t *\t\t} );\n\t *\n\t * @param {String} itemName\n\t * @param {module:engine/model/schema~SchemaItemDefinition} definition\n\t */\n\tregister( itemName, definition ) {\n\t\tif ( this._sourceDefinitions[ itemName ] ) {\n\t\t\t/**\n\t\t\t * A single item cannot be registered twice in the schema.\n\t\t\t *\n\t\t\t * This situation may happen when:\n\t\t\t *\n\t\t\t * * Two or more plugins called {@link #register `register()`} with the same name. This will usually mean that\n\t\t\t * there is a collision between plugins which try to use the same element in the model. Unfortunately,\n\t\t\t * the only way to solve this is by modifying one of these plugins to use a unique model element name.\n\t\t\t * * A single plugin was loaded twice. This happens when it is installed by npm/yarn in two versions\n\t\t\t * and usually means one or more of the following issues:\n\t\t\t *     * a version mismatch (two of your dependencies require two different versions of this plugin),\n\t\t\t *     * incorrect imports (this plugin is somehow imported twice in a way which confuses webpack),\n\t\t\t *     * mess in `node_modules/` (`rm -rf node_modules/` may help).\n\t\t\t *\n\t\t\t * **Note:** Check the logged `itemName` to better understand which plugin was duplicated/conflicting.\n\t\t\t *\n\t\t\t * @param itemName The name of the model element that is being registered twice.\n\t\t\t * @error schema-cannot-register-item-twice\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'schema-cannot-register-item-twice',\n\t\t\t\tthis,\n\t\t\t\t{\n\t\t\t\t\titemName\n\t\t\t\t}\n\t\t\t);\n\t\t}\n\n\t\tthis._sourceDefinitions[ itemName ] = [\n\t\t\tObject.assign( {}, definition )\n\t\t];\n\n\t\tthis._clearCache();\n\t}\n\n\t/**\n\t * Extends a {@link #register registered} item's definition.\n\t *\n\t * Extending properties such as `allowIn` will add more items to the existing properties,\n\t * while redefining properties such as `isBlock` will override the previously defined ones.\n\t *\n\t *\t\tschema.register( 'foo', {\n\t *\t\t\tallowIn: '$root',\n\t *\t\t\tisBlock: true;\n\t *\t\t} );\n\t *\t\tschema.extend( 'foo', {\n\t *\t\t\tallowIn: 'blockQuote',\n\t *\t\t\tisBlock: false\n\t *\t\t} );\n\t *\n\t *\t\tschema.getDefinition( 'foo' );\n\t *\t\t//\t{\n\t *\t\t//\t\tallowIn: [ '$root', 'blockQuote' ],\n\t *\t\t// \t\tisBlock: false\n\t *\t\t//\t}\n\t *\n\t * @param {String} itemName\n\t * @param {module:engine/model/schema~SchemaItemDefinition} definition\n\t */\n\textend( itemName, definition ) {\n\t\tif ( !this._sourceDefinitions[ itemName ] ) {\n\t\t\t/**\n\t\t\t * Cannot extend an item which was not registered yet.\n\t\t\t *\n\t\t\t * This error happens when a plugin tries to extend the schema definition of an item which was not\n\t\t\t * {@link #register registered} yet.\n\t\t\t *\n\t\t\t * @param itemName The name of the model element which is being extended.\n\t\t\t * @error schema-cannot-extend-missing-item\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'schema-cannot-extend-missing-item', this, {\n\t\t\t\titemName\n\t\t\t} );\n\t\t}\n\n\t\tthis._sourceDefinitions[ itemName ].push( Object.assign( {}, definition ) );\n\n\t\tthis._clearCache();\n\t}\n\n\t/**\n\t * Returns data of all registered items.\n\t *\n\t * This method should normally be used for reflection purposes (e.g. defining a clone of a certain element,\n\t * checking a list of all block elements, etc).\n\t * Use specific methods (such as {@link #checkChild `checkChild()`} or {@link #isLimit `isLimit()`})\n\t * in other cases.\n\t *\n\t * @returns {Object.<String,module:engine/model/schema~SchemaCompiledItemDefinition>}\n\t */\n\tgetDefinitions() {\n\t\tif ( !this._compiledDefinitions ) {\n\t\t\tthis._compile();\n\t\t}\n\n\t\treturn this._compiledDefinitions;\n\t}\n\n\t/**\n\t * Returns a definition of the given item or `undefined` if an item is not registered.\n\t *\n\t * This method should normally be used for reflection purposes (e.g. defining a clone of a certain element,\n\t * checking a list of all block elements, etc).\n\t * Use specific methods (such as {@link #checkChild `checkChild()`} or {@link #isLimit `isLimit()`})\n\t * in other cases.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t * @returns {module:engine/model/schema~SchemaCompiledItemDefinition}\n\t */\n\tgetDefinition( item ) {\n\t\tlet itemName;\n\n\t\tif ( typeof item == 'string' ) {\n\t\t\titemName = item;\n\t\t} else if ( item.is && ( item.is( '$text' ) || item.is( '$textProxy' ) ) ) {\n\t\t\titemName = '$text';\n\t\t}\n\t\t// Element or module:engine/model/schema~SchemaContextItem.\n\t\telse {\n\t\t\titemName = item.name;\n\t\t}\n\n\t\treturn this.getDefinitions()[ itemName ];\n\t}\n\n\t/**\n\t * Returns `true` if the given item is registered in the schema.\n\t *\n\t *\t\tschema.isRegistered( 'paragraph' ); // -> true\n\t *\t\tschema.isRegistered( editor.model.document.getRoot() ); // -> true\n\t *\t\tschema.isRegistered( 'foo' ); // -> false\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t */\n\tisRegistered( item ) {\n\t\treturn !!this.getDefinition( item );\n\t}\n\n\t/**\n\t * Returns `true` if the given item is defined to be\n\t * a block by the {@link module:engine/model/schema~SchemaItemDefinition}'s `isBlock` property.\n\t *\n\t *\t\tschema.isBlock( 'paragraph' ); // -> true\n\t *\t\tschema.isBlock( '$root' ); // -> false\n\t *\n\t *\t\tconst paragraphElement = writer.createElement( 'paragraph' );\n\t *\t\tschema.isBlock( paragraphElement ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#block-elements Block elements} section of the Schema deep dive\n\t * guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t */\n\tisBlock( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\treturn !!( def && def.isBlock );\n\t}\n\n\t/**\n\t * Returns `true` if the given item should be treated as a limit element.\n\t *\n\t * It considers an item to be a limit element if its\n\t * {@link module:engine/model/schema~SchemaItemDefinition}'s\n\t * {@link module:engine/model/schema~SchemaItemDefinition#isLimit `isLimit`} or\n\t * {@link module:engine/model/schema~SchemaItemDefinition#isObject `isObject`} property\n\t * was set to `true`.\n\t *\n\t *\t\tschema.isLimit( 'paragraph' ); // -> false\n\t *\t\tschema.isLimit( '$root' ); // -> true\n\t *\t\tschema.isLimit( editor.model.document.getRoot() ); // -> true\n\t *\t\tschema.isLimit( 'image' ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#limit-elements Limit elements} section of the Schema deep dive\n\t * guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t */\n\tisLimit( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn !!( def.isLimit || def.isObject );\n\t}\n\n\t/**\n\t * Returns `true` if the given item should be treated as an object element.\n\t *\n\t * It considers an item to be an object element if its\n\t * {@link module:engine/model/schema~SchemaItemDefinition}'s\n\t * {@link module:engine/model/schema~SchemaItemDefinition#isObject `isObject`} property\n\t * was set to `true`.\n\t *\n\t *\t\tschema.isObject( 'paragraph' ); // -> false\n\t *\t\tschema.isObject( 'image' ); // -> true\n\t *\n\t *\t\tconst imageElement = writer.createElement( 'image' );\n\t *\t\tschema.isObject( imageElement ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#object-elements Object elements} section of the Schema deep dive\n\t * guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t */\n\tisObject( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Note: Check out the implementation of #isLimit(), #isSelectable(), and #isContent()\n\t\t// to understand why these three constitute an object.\n\t\treturn !!( def.isObject || ( def.isLimit && def.isSelectable && def.isContent ) );\n\t}\n\n\t/**\n\t * Returns `true` if the given item is defined to be\n\t * an inline element by the {@link module:engine/model/schema~SchemaItemDefinition}'s `isInline` property.\n\t *\n\t *\t\tschema.isInline( 'paragraph' ); // -> false\n\t *\t\tschema.isInline( 'softBreak' ); // -> true\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\tschema.isInline( text ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#inline-elements Inline elements} section of the Schema deep dive\n\t * guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t */\n\tisInline( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\treturn !!( def && def.isInline );\n\t}\n\n\t/**\n\t * Returns `true` if the given item is defined to be\n\t * a selectable element by the {@link module:engine/model/schema~SchemaItemDefinition}'s `isSelectable` property.\n\t *\n\t *\t\tschema.isSelectable( 'paragraph' ); // -> false\n\t *\t\tschema.isSelectable( 'heading1' ); // -> false\n\t *\t\tschema.isSelectable( 'image' ); // -> true\n\t *\t\tschema.isSelectable( 'tableCell' ); // -> true\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\tschema.isSelectable( text ); // -> false\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#selectable-elements Selectable elements} section of the Schema deep dive}\n\t * guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t */\n\tisSelectable( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn !!( def.isSelectable || def.isObject );\n\t}\n\n\t/**\n\t * Returns `true` if the given item is defined to be\n\t * a content by the {@link module:engine/model/schema~SchemaItemDefinition}'s `isContent` property.\n\t *\n\t *\t\tschema.isContent( 'paragraph' ); // -> false\n\t *\t\tschema.isContent( 'heading1' ); // -> false\n\t *\t\tschema.isContent( 'image' ); // -> true\n\t *\t\tschema.isContent( 'horizontalLine' ); // -> true\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\tschema.isContent( text ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#content-elements Content elements} section of the Schema deep dive}\n\t * guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t */\n\tisContent( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn !!( def.isContent || def.isObject );\n\t}\n\n\t/**\n\t * Checks whether the given node (`child`) can be a child of the given context.\n\t *\n\t *\t\tschema.checkChild( model.document.getRoot(), paragraph ); // -> false\n\t *\n\t *\t\tschema.register( 'paragraph', {\n\t *\t\t\tallowIn: '$root'\n\t *\t\t} );\n\t *\t\tschema.checkChild( model.document.getRoot(), paragraph ); // -> true\n\t *\n\t * Note: When verifying whether the given node can be a child of the given context, the\n\t * schema also verifies the entire context &mdash; from its root to its last element. Therefore, it is possible\n\t * for `checkChild()` to return `false` even though the context's last element can contain the checked child.\n\t * It happens if one of the context's elements does not allow its child.\n\t *\n\t * @fires checkChild\n\t * @param {module:engine/model/schema~SchemaContextDefinition} context The context in which the child will be checked.\n\t * @param {module:engine/model/node~Node|String} def The child to check.\n\t */\n\tcheckChild( context, def ) {\n\t\t// Note: context and child are already normalized here to a SchemaContext and SchemaCompiledItemDefinition.\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn this._checkContextMatch( def, context );\n\t}\n\n\t/**\n\t * Checks whether the given attribute can be applied in the given context (on the last\n\t * item of the context).\n\t *\n\t *\t\tschema.checkAttribute( textNode, 'bold' ); // -> false\n\t *\n\t *\t\tschema.extend( '$text', {\n\t *\t\t\tallowAttributes: 'bold'\n\t *\t\t} );\n\t *\t\tschema.checkAttribute( textNode, 'bold' ); // -> true\n\t *\n\t * @fires checkAttribute\n\t * @param {module:engine/model/schema~SchemaContextDefinition} context The context in which the attribute will be checked.\n\t * @param {String} attributeName\n\t */\n\tcheckAttribute( context, attributeName ) {\n\t\tconst def = this.getDefinition( context.last );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn def.allowAttributes.includes( attributeName );\n\t}\n\n\t/**\n\t * Checks whether the given element (`elementToMerge`) can be merged with the specified base element (`positionOrBaseElement`).\n\t *\n\t * In other words &mdash; whether `elementToMerge`'s children {@link #checkChild are allowed} in the `positionOrBaseElement`.\n\t *\n\t * This check ensures that elements merged with {@link module:engine/model/writer~Writer#merge `Writer#merge()`}\n\t * will be valid.\n\t *\n\t * Instead of elements, you can pass the instance of the {@link module:engine/model/position~Position} class as the\n\t * `positionOrBaseElement`. It means that the elements before and after the position will be checked whether they can be merged.\n\t *\n\t * @param {module:engine/model/position~Position|module:engine/model/element~Element} positionOrBaseElement The position or base\n\t * element to which the `elementToMerge` will be merged.\n\t * @param {module:engine/model/element~Element} elementToMerge The element to merge. Required if `positionOrBaseElement` is an element.\n\t * @returns {Boolean}\n\t */\n\tcheckMerge( positionOrBaseElement, elementToMerge = null ) {\n\t\tif ( positionOrBaseElement instanceof Position ) {\n\t\t\tconst nodeBefore = positionOrBaseElement.nodeBefore;\n\t\t\tconst nodeAfter = positionOrBaseElement.nodeAfter;\n\n\t\t\tif ( !( nodeBefore instanceof Element ) ) {\n\t\t\t\t/**\n\t\t\t\t * The node before the merge position must be an element.\n\t\t\t\t *\n\t\t\t\t * @error schema-check-merge-no-element-before\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'schema-check-merge-no-element-before',\n\t\t\t\t\tthis\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tif ( !( nodeAfter instanceof Element ) ) {\n\t\t\t\t/**\n\t\t\t\t * The node after the merge position must be an element.\n\t\t\t\t *\n\t\t\t\t * @error schema-check-merge-no-element-after\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'schema-check-merge-no-element-after',\n\t\t\t\t\tthis\n\t\t\t\t);\n\t\t\t}\n\n\t\t\treturn this.checkMerge( nodeBefore, nodeAfter );\n\t\t}\n\n\t\tfor ( const child of elementToMerge.getChildren() ) {\n\t\t\tif ( !this.checkChild( positionOrBaseElement, child ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Allows registering a callback to the {@link #checkChild} method calls.\n\t *\n\t * Callbacks allow you to implement rules which are not otherwise possible to achieve\n\t * by using the declarative API of {@link module:engine/model/schema~SchemaItemDefinition}.\n\t * For example, by using this method you can disallow elements in specific contexts.\n\t *\n\t * This method is a shorthand for using the {@link #event:checkChild} event. For even better control,\n\t * you can use that event instead.\n\t *\n\t * Example:\n\t *\n\t *\t\t// Disallow heading1 directly inside a blockQuote.\n\t *\t\tschema.addChildCheck( ( context, childDefinition ) => {\n\t *\t\t\tif ( context.endsWith( 'blockQuote' ) && childDefinition.name == 'heading1' ) {\n\t *\t\t\t\treturn false;\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Which translates to:\n\t *\n\t *\t\tschema.on( 'checkChild', ( evt, args ) => {\n\t *\t\t\tconst context = args[ 0 ];\n\t *\t\t\tconst childDefinition = args[ 1 ];\n\t *\n\t *\t\t\tif ( context.endsWith( 'blockQuote' ) && childDefinition && childDefinition.name == 'heading1' ) {\n\t *\t\t\t\t// Prevent next listeners from being called.\n\t *\t\t\t\tevt.stop();\n\t *\t\t\t\t// Set the checkChild()'s return value.\n\t *\t\t\t\tevt.return = false;\n\t *\t\t\t}\n\t *\t\t}, { priority: 'high' } );\n\t *\n\t * @param {Function} callback The callback to be called. It is called with two parameters:\n\t * {@link module:engine/model/schema~SchemaContext} (context) instance and\n\t * {@link module:engine/model/schema~SchemaCompiledItemDefinition} (child-to-check definition).\n\t * The callback may return `true/false` to override `checkChild()`'s return value. If it does not return\n\t * a boolean value, the default algorithm (or other callbacks) will define `checkChild()`'s return value.\n\t */\n\taddChildCheck( callback ) {\n\t\tthis.on( 'checkChild', ( evt, [ ctx, childDef ] ) => {\n\t\t\t// checkChild() was called with a non-registered child.\n\t\t\t// In 99% cases such check should return false, so not to overcomplicate all callbacks\n\t\t\t// don't even execute them.\n\t\t\tif ( !childDef ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst retValue = callback( ctx, childDef );\n\n\t\t\tif ( typeof retValue == 'boolean' ) {\n\t\t\t\tevt.stop();\n\t\t\t\tevt.return = retValue;\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * Allows registering a callback to the {@link #checkAttribute} method calls.\n\t *\n\t * Callbacks allow you to implement rules which are not otherwise possible to achieve\n\t * by using the declarative API of {@link module:engine/model/schema~SchemaItemDefinition}.\n\t * For example, by using this method you can disallow attribute if node to which it is applied\n\t * is contained within some other element (e.g. you want to disallow `bold` on `$text` within `heading1`).\n\t *\n\t * This method is a shorthand for using the {@link #event:checkAttribute} event. For even better control,\n\t * you can use that event instead.\n\t *\n\t * Example:\n\t *\n\t *\t\t// Disallow bold on $text inside heading1.\n\t *\t\tschema.addAttributeCheck( ( context, attributeName ) => {\n\t *\t\t\tif ( context.endsWith( 'heading1 $text' ) && attributeName == 'bold' ) {\n\t *\t\t\t\treturn false;\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Which translates to:\n\t *\n\t *\t\tschema.on( 'checkAttribute', ( evt, args ) => {\n\t *\t\t\tconst context = args[ 0 ];\n\t *\t\t\tconst attributeName = args[ 1 ];\n\t *\n\t *\t\t\tif ( context.endsWith( 'heading1 $text' ) && attributeName == 'bold' ) {\n\t *\t\t\t\t// Prevent next listeners from being called.\n\t *\t\t\t\tevt.stop();\n\t *\t\t\t\t// Set the checkAttribute()'s return value.\n\t *\t\t\t\tevt.return = false;\n\t *\t\t\t}\n\t *\t\t}, { priority: 'high' } );\n\t *\n\t * @param {Function} callback The callback to be called. It is called with two parameters:\n\t * {@link module:engine/model/schema~SchemaContext} (context) instance and attribute name.\n\t * The callback may return `true/false` to override `checkAttribute()`'s return value. If it does not return\n\t * a boolean value, the default algorithm (or other callbacks) will define `checkAttribute()`'s return value.\n\t */\n\taddAttributeCheck( callback ) {\n\t\tthis.on( 'checkAttribute', ( evt, [ ctx, attributeName ] ) => {\n\t\t\tconst retValue = callback( ctx, attributeName );\n\n\t\t\tif ( typeof retValue == 'boolean' ) {\n\t\t\t\tevt.stop();\n\t\t\t\tevt.return = retValue;\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * This method allows assigning additional metadata to the model attributes. For example,\n\t * {@link module:engine/model/schema~AttributeProperties `AttributeProperties#isFormatting` property} is\n\t * used to mark formatting attributes (like `bold` or `italic`).\n\t *\n\t *\t\t// Mark bold as a formatting attribute.\n\t *\t\tschema.setAttributeProperties( 'bold', {\n\t *\t\t\tisFormatting: true\n\t *\t\t} );\n\t *\n\t *\t\t// Override code not to be considered a formatting markup.\n\t *\t\tschema.setAttributeProperties( 'code', {\n\t *\t\t\tisFormatting: false\n\t *\t\t} );\n\t *\n\t * Properties are not limited to members defined in the\n\t * {@link module:engine/model/schema~AttributeProperties `AttributeProperties` type} and you can also use custom properties:\n\t *\n\t *\t\tschema.setAttributeProperties( 'blockQuote', {\n\t *\t\t\tcustomProperty: 'value'\n\t *\t\t} );\n\t *\n\t * Subsequent calls with the same attribute will extend its custom properties:\n\t *\n\t *\t\tschema.setAttributeProperties( 'blockQuote', {\n\t *\t\t\tone: 1\n\t *\t\t} );\n\t *\n\t *\t\tschema.setAttributeProperties( 'blockQuote', {\n\t *\t\t\ttwo: 2\n\t *\t\t} );\n\t *\n\t *\t\tconsole.log( schema.getAttributeProperties( 'blockQuote' ) );\n\t *\t\t// Logs: { one: 1, two: 2 }\n\t *\n\t * @param {String} attributeName A name of the attribute to receive the properties.\n\t * @param {module:engine/model/schema~AttributeProperties} properties A dictionary of properties.\n\t */\n\tsetAttributeProperties( attributeName, properties ) {\n\t\tthis._attributeProperties[ attributeName ] = Object.assign( this.getAttributeProperties( attributeName ), properties );\n\t}\n\n\t/**\n\t * Returns properties associated with a given model attribute. See {@link #setAttributeProperties `setAttributeProperties()`}.\n\t *\n\t * @param {String} attributeName A name of the attribute.\n\t * @returns {module:engine/model/schema~AttributeProperties}\n\t */\n\tgetAttributeProperties( attributeName ) {\n\t\treturn this._attributeProperties[ attributeName ] || {};\n\t}\n\n\t/**\n\t * Returns the lowest {@link module:engine/model/schema~Schema#isLimit limit element} containing the entire\n\t * selection/range/position or the root otherwise.\n\t *\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection|\n\t * module:engine/model/range~Range|module:engine/model/position~Position} selectionOrRangeOrPosition\n\t * The selection/range/position to check.\n\t * @returns {module:engine/model/element~Element} The lowest limit element containing\n\t * the entire `selectionOrRangeOrPosition`.\n\t */\n\tgetLimitElement( selectionOrRangeOrPosition ) {\n\t\tlet element;\n\n\t\tif ( selectionOrRangeOrPosition instanceof Position ) {\n\t\t\telement = selectionOrRangeOrPosition.parent;\n\t\t} else {\n\t\t\tconst ranges = selectionOrRangeOrPosition instanceof Range ?\n\t\t\t\t[ selectionOrRangeOrPosition ] :\n\t\t\t\tArray.from( selectionOrRangeOrPosition.getRanges() );\n\n\t\t\t// Find the common ancestor for all selection's ranges.\n\t\t\telement = ranges\n\t\t\t\t.reduce( ( element, range ) => {\n\t\t\t\t\tconst rangeCommonAncestor = range.getCommonAncestor();\n\n\t\t\t\t\tif ( !element ) {\n\t\t\t\t\t\treturn rangeCommonAncestor;\n\t\t\t\t\t}\n\n\t\t\t\t\treturn element.getCommonAncestor( rangeCommonAncestor, { includeSelf: true } );\n\t\t\t\t}, null );\n\t\t}\n\n\t\twhile ( !this.isLimit( element ) ) {\n\t\t\tif ( element.parent ) {\n\t\t\t\telement = element.parent;\n\t\t\t} else {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\treturn element;\n\t}\n\n\t/**\n\t * Checks whether the attribute is allowed in selection:\n\t *\n\t * * if the selection is not collapsed, then checks if the attribute is allowed on any of nodes in that range,\n\t * * if the selection is collapsed, then checks if on the selection position there's a text with the\n\t * specified attribute allowed.\n\t *\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * Selection which will be checked.\n\t * @param {String} attribute The name of the attribute to check.\n\t * @returns {Boolean}\n\t */\n\tcheckAttributeInSelection( selection, attribute ) {\n\t\tif ( selection.isCollapsed ) {\n\t\t\tconst firstPosition = selection.getFirstPosition();\n\t\t\tconst context = [\n\t\t\t\t...firstPosition.getAncestors(),\n\t\t\t\tnew Text( '', selection.getAttributes() )\n\t\t\t];\n\n\t\t\t// Check whether schema allows for a text with the attribute in the selection.\n\t\t\treturn this.checkAttribute( context, attribute );\n\t\t} else {\n\t\t\tconst ranges = selection.getRanges();\n\n\t\t\t// For all ranges, check nodes in them until you find a node that is allowed to have the attribute.\n\t\t\tfor ( const range of ranges ) {\n\t\t\t\tfor ( const value of range ) {\n\t\t\t\t\tif ( this.checkAttribute( value.item, attribute ) ) {\n\t\t\t\t\t\t// If we found a node that is allowed to have the attribute, return true.\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// If we haven't found such node, return false.\n\t\treturn false;\n\t}\n\n\t/**\n\t * Transforms the given set of ranges into a set of ranges where the given attribute is allowed (and can be applied).\n\t *\n\t * @param {Array.<module:engine/model/range~Range>} ranges Ranges to be validated.\n\t * @param {String} attribute The name of the attribute to check.\n\t * @returns {Iterable.<module:engine/model/range~Range>} Ranges in which the attribute is allowed.\n\t */\n\t* getValidRanges( ranges, attribute ) {\n\t\tranges = convertToMinimalFlatRanges( ranges );\n\n\t\tfor ( const range of ranges ) {\n\t\t\tyield* this._getValidRangesForRange( range, attribute );\n\t\t}\n\t}\n\n\t/**\n\t * Basing on given `position`, finds and returns a {@link module:engine/model/range~Range range} which is\n\t * nearest to that `position` and is a correct range for selection.\n\t *\n\t * The correct selection range might be collapsed when it is located in a position where the text node can be placed.\n\t * Non-collapsed range is returned when selection can be placed around element marked as an \"object\" in\n\t * the {@link module:engine/model/schema~Schema schema}.\n\t *\n\t * Direction of searching for the nearest correct selection range can be specified as:\n\t *\n\t * * `both` - searching will be performed in both ways,\n\t * * `forward` - searching will be performed only forward,\n\t * * `backward` - searching will be performed only backward.\n\t *\n\t * When valid selection range cannot be found, `null` is returned.\n\t *\n\t * @param {module:engine/model/position~Position} position Reference position where new selection range should be looked for.\n\t * @param {'both'|'forward'|'backward'} [direction='both'] Search direction.\n\t * @returns {module:engine/model/range~Range|null} Nearest selection range or `null` if one cannot be found.\n\t */\n\tgetNearestSelectionRange( position, direction = 'both' ) {\n\t\t// Return collapsed range if provided position is valid.\n\t\tif ( this.checkChild( position, '$text' ) ) {\n\t\t\treturn new Range( position );\n\t\t}\n\n\t\tlet backwardWalker, forwardWalker;\n\n\t\t// Never leave a limit element.\n\t\tconst limitElement = position.getAncestors().reverse().find( item => this.isLimit( item ) ) || position.root;\n\n\t\tif ( direction == 'both' || direction == 'backward' ) {\n\t\t\tbackwardWalker = new TreeWalker( {\n\t\t\t\tboundaries: Range._createIn( limitElement ),\n\t\t\t\tstartPosition: position,\n\t\t\t\tdirection: 'backward'\n\t\t\t} );\n\t\t}\n\n\t\tif ( direction == 'both' || direction == 'forward' ) {\n\t\t\tforwardWalker = new TreeWalker( {\n\t\t\t\tboundaries: Range._createIn( limitElement ),\n\t\t\t\tstartPosition: position\n\t\t\t} );\n\t\t}\n\n\t\tfor ( const data of combineWalkers( backwardWalker, forwardWalker ) ) {\n\t\t\tconst type = ( data.walker == backwardWalker ? 'elementEnd' : 'elementStart' );\n\t\t\tconst value = data.value;\n\n\t\t\tif ( value.type == type && this.isObject( value.item ) ) {\n\t\t\t\treturn Range._createOn( value.item );\n\t\t\t}\n\n\t\t\tif ( this.checkChild( value.nextPosition, '$text' ) ) {\n\t\t\t\treturn new Range( value.nextPosition );\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Tries to find position ancestors that allow to insert a given node.\n\t * It starts searching from the given position and goes node by node to the top of the model tree\n\t * as long as a {@link module:engine/model/schema~Schema#isLimit limit element}, an\n\t * {@link module:engine/model/schema~Schema#isObject object element} or a topmost ancestor is not reached.\n\t *\n\t * @param {module:engine/model/position~Position} position The position that the search will start from.\n\t * @param {module:engine/model/node~Node|String} node The node for which an allowed parent should be found or its name.\n\t * @returns {module:engine/model/element~Element|null} element Allowed parent or null if nothing was found.\n\t */\n\tfindAllowedParent( position, node ) {\n\t\tlet parent = position.parent;\n\n\t\twhile ( parent ) {\n\t\t\tif ( this.checkChild( parent, node ) ) {\n\t\t\t\treturn parent;\n\t\t\t}\n\n\t\t\t// Do not split limit elements.\n\t\t\tif ( this.isLimit( parent ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Removes attributes disallowed by the schema.\n\t *\n\t * @param {Iterable.<module:engine/model/node~Node>} nodes Nodes that will be filtered.\n\t * @param {module:engine/model/writer~Writer} writer\n\t */\n\tremoveDisallowedAttributes( nodes, writer ) {\n\t\tfor ( const node of nodes ) {\n\t\t\t// When node is a `Text` it has no children, so just filter it out.\n\t\t\tif ( node.is( '$text' ) ) {\n\t\t\t\tremoveDisallowedAttributeFromNode( this, node, writer );\n\t\t\t}\n\t\t\t// In a case of `Element` iterates through positions between nodes inside this element\n\t\t\t// and filter out node before the current position, or position parent when position\n\t\t\t// is at start of an element. Using positions prevent from omitting merged nodes\n\t\t\t// see https://github.com/ckeditor/ckeditor5-engine/issues/1789.\n\t\t\telse {\n\t\t\t\tconst rangeInNode = Range._createIn( node );\n\t\t\t\tconst positionsInRange = rangeInNode.getPositions();\n\n\t\t\t\tfor ( const position of positionsInRange ) {\n\t\t\t\t\tconst item = position.nodeBefore || position.parent;\n\n\t\t\t\t\tremoveDisallowedAttributeFromNode( this, item, writer );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Creates an instance of the schema context.\n\t *\n\t * @param {module:engine/model/schema~SchemaContextDefinition} context\n\t * @returns {module:engine/model/schema~SchemaContext}\n\t */\n\tcreateContext( context ) {\n\t\treturn new SchemaContext( context );\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_clearCache() {\n\t\tthis._compiledDefinitions = null;\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_compile() {\n\t\tconst compiledDefinitions = {};\n\t\tconst sourceRules = this._sourceDefinitions;\n\t\tconst itemNames = Object.keys( sourceRules );\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompiledDefinitions[ itemName ] = compileBaseItemRule( sourceRules[ itemName ], itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompileAllowContentOf( compiledDefinitions, itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompileAllowWhere( compiledDefinitions, itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompileAllowAttributesOf( compiledDefinitions, itemName );\n\t\t\tcompileInheritPropertiesFrom( compiledDefinitions, itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcleanUpAllowIn( compiledDefinitions, itemName );\n\t\t\tcleanUpAllowAttributes( compiledDefinitions, itemName );\n\t\t}\n\n\t\tthis._compiledDefinitions = compiledDefinitions;\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/schema~SchemaCompiledItemDefinition} def\n\t * @param {module:engine/model/schema~SchemaContext} context\n\t * @param {Number} contextItemIndex\n\t */\n\t_checkContextMatch( def, context, contextItemIndex = context.length - 1 ) {\n\t\tconst contextItem = context.getItem( contextItemIndex );\n\n\t\tif ( def.allowIn.includes( contextItem.name ) ) {\n\t\t\tif ( contextItemIndex == 0 ) {\n\t\t\t\treturn true;\n\t\t\t} else {\n\t\t\t\tconst parentRule = this.getDefinition( contextItem );\n\n\t\t\t\treturn this._checkContextMatch( parentRule, context, contextItemIndex - 1 );\n\t\t\t}\n\t\t} else {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t/**\n\t * Takes a flat range and an attribute name. Traverses the range recursively and deeply to find and return all ranges\n\t * inside the given range on which the attribute can be applied.\n\t *\n\t * This is a helper function for {@link ~Schema#getValidRanges}.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range The range to process.\n\t * @param {String} attribute The name of the attribute to check.\n\t * @returns {Iterable.<module:engine/model/range~Range>} Ranges in which the attribute is allowed.\n\t */\n\t* _getValidRangesForRange( range, attribute ) {\n\t\tlet start = range.start;\n\t\tlet end = range.start;\n\n\t\tfor ( const item of range.getItems( { shallow: true } ) ) {\n\t\t\tif ( item.is( 'element' ) ) {\n\t\t\t\tyield* this._getValidRangesForRange( Range._createIn( item ), attribute );\n\t\t\t}\n\n\t\t\tif ( !this.checkAttribute( item, attribute ) ) {\n\t\t\t\tif ( !start.isEqual( end ) ) {\n\t\t\t\t\tyield new Range( start, end );\n\t\t\t\t}\n\n\t\t\t\tstart = Position._createAfter( item );\n\t\t\t}\n\n\t\t\tend = Position._createAfter( item );\n\t\t}\n\n\t\tif ( !start.isEqual( end ) ) {\n\t\t\tyield new Range( start, end );\n\t\t}\n\t}\n}\n\nmix( Schema, ObservableMixin );\n\n/**\n * Event fired when the {@link #checkChild} method is called. It allows plugging in\n * additional behavior, for example implementing rules which cannot be defined using the declarative\n * {@link module:engine/model/schema~SchemaItemDefinition} interface.\n *\n * **Note:** The {@link #addChildCheck} method is a more handy way to register callbacks. Internally,\n * it registers a listener to this event but comes with a simpler API and it is the recommended choice\n * in most of the cases.\n *\n * The {@link #checkChild} method fires an event because it is\n * {@link module:utils/observablemixin~ObservableMixin#decorate decorated} with it. Thanks to that you can\n * use this event in various ways, but the most important use case is overriding standard behavior of the\n * `checkChild()` method. Let's see a typical listener template:\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst childDefinition = args[ 1 ];\n *\t\t}, { priority: 'high' } );\n *\n * The listener is added with a `high` priority to be executed before the default method is really called. The `args` callback\n * parameter contains arguments passed to `checkChild( context, child )`. However, the `context` parameter is already\n * normalized to a {@link module:engine/model/schema~SchemaContext} instance and `child` to a\n * {@link module:engine/model/schema~SchemaCompiledItemDefinition} instance, so you do not have to worry about\n * the various ways how `context` and `child` may be passed to `checkChild()`.\n *\n * **Note:** `childDefinition` may be `undefined` if `checkChild()` was called with a non-registered element.\n *\n * So, in order to implement a rule \"disallow `heading1` in `blockQuote`\", you can add such a listener:\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst childDefinition = args[ 1 ];\n *\n *\t\t\tif ( context.endsWith( 'blockQuote' ) && childDefinition && childDefinition.name == 'heading1' ) {\n *\t\t\t\t// Prevent next listeners from being called.\n *\t\t\t\tevt.stop();\n *\t\t\t\t// Set the checkChild()'s return value.\n *\t\t\t\tevt.return = false;\n *\t\t\t}\n *\t\t}, { priority: 'high' } );\n *\n * Allowing elements in specific contexts will be a far less common use case, because it is normally handled by the\n * `allowIn` rule from {@link module:engine/model/schema~SchemaItemDefinition}. But if you have a complex scenario\n * where `listItem` should be allowed only in element `foo` which must be in element `bar`, then this would be the way:\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst childDefinition = args[ 1 ];\n *\n *\t\t\tif ( context.endsWith( 'bar foo' ) && childDefinition.name == 'listItem' ) {\n *\t\t\t\t// Prevent next listeners from being called.\n *\t\t\t\tevt.stop();\n *\t\t\t\t// Set the checkChild()'s return value.\n *\t\t\t\tevt.return = true;\n *\t\t\t}\n *\t\t}, { priority: 'high' } );\n *\n * @event checkChild\n * @param {Array} args The `checkChild()`'s arguments.\n */\n\n/**\n * Event fired when the {@link #checkAttribute} method is called. It allows plugging in\n * additional behavior, for example implementing rules which cannot be defined using the declarative\n * {@link module:engine/model/schema~SchemaItemDefinition} interface.\n *\n * **Note:** The {@link #addAttributeCheck} method is a more handy way to register callbacks. Internally,\n * it registers a listener to this event but comes with a simpler API and it is the recommended choice\n * in most of the cases.\n *\n * The {@link #checkAttribute} method fires an event because it is\n * {@link module:utils/observablemixin~ObservableMixin#decorate decorated} with it. Thanks to that you can\n * use this event in various ways, but the most important use case is overriding the standard behavior of the\n * `checkAttribute()` method. Let's see a typical listener template:\n *\n *\t\tschema.on( 'checkAttribute', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst attributeName = args[ 1 ];\n *\t\t}, { priority: 'high' } );\n *\n * The listener is added with a `high` priority to be executed before the default method is really called. The `args` callback\n * parameter contains arguments passed to `checkAttribute( context, attributeName )`. However, the `context` parameter is already\n * normalized to a {@link module:engine/model/schema~SchemaContext} instance, so you do not have to worry about\n * the various ways how `context` may be passed to `checkAttribute()`.\n *\n * So, in order to implement a rule \"disallow `bold` in a text which is in a `heading1`, you can add such a listener:\n *\n *\t\tschema.on( 'checkAttribute', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst attributeName = args[ 1 ];\n *\n *\t\t\tif ( context.endsWith( 'heading1 $text' ) && attributeName == 'bold' ) {\n *\t\t\t\t// Prevent next listeners from being called.\n *\t\t\t\tevt.stop();\n *\t\t\t\t// Set the checkAttribute()'s return value.\n *\t\t\t\tevt.return = false;\n *\t\t\t}\n *\t\t}, { priority: 'high' } );\n *\n * Allowing attributes in specific contexts will be a far less common use case, because it is normally handled by the\n * `allowAttributes` rule from {@link module:engine/model/schema~SchemaItemDefinition}. But if you have a complex scenario\n * where `bold` should be allowed only in element `foo` which must be in element `bar`, then this would be the way:\n *\n *\t\tschema.on( 'checkAttribute', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst attributeName = args[ 1 ];\n *\n *\t\t\tif ( context.endsWith( 'bar foo $text' ) && attributeName == 'bold' ) {\n *\t\t\t\t// Prevent next listeners from being called.\n *\t\t\t\tevt.stop();\n *\t\t\t\t// Set the checkAttribute()'s return value.\n *\t\t\t\tevt.return = true;\n *\t\t\t}\n *\t\t}, { priority: 'high' } );\n *\n * @event checkAttribute\n * @param {Array} args The `checkAttribute()`'s arguments.\n */\n\n/**\n * A definition of a {@link module:engine/model/schema~Schema schema} item.\n *\n * You can define the following rules:\n *\n * * {@link ~SchemaItemDefinition#allowIn `allowIn`} &ndash; Defines in which other items this item will be allowed.\n * * {@link ~SchemaItemDefinition#allowAttributes `allowAttributes`} &ndash; Defines allowed attributes of the given item.\n * * {@link ~SchemaItemDefinition#allowContentOf `allowContentOf`} &ndash; Inherits \"allowed children\" from other items.\n * * {@link ~SchemaItemDefinition#allowWhere `allowWhere`} &ndash; Inherits \"allowed in\" from other items.\n * * {@link ~SchemaItemDefinition#allowAttributesOf `allowAttributesOf`} &ndash; Inherits attributes from other items.\n * * {@link ~SchemaItemDefinition#inheritTypesFrom `inheritTypesFrom`} &ndash; Inherits `is*` properties of other items.\n * * {@link ~SchemaItemDefinition#inheritAllFrom `inheritAllFrom`} &ndash;\n * A shorthand for `allowContentOf`, `allowWhere`, `allowAttributesOf`, `inheritTypesFrom`.\n *\n * # The `is*` properties\n *\n * There are a couple commonly used `is*` properties. Their role is to assign additional semantics to schema items.\n * You can define more properties but you will also need to implement support for them in the existing editor features.\n *\n * * {@link ~SchemaItemDefinition#isBlock `isBlock`} &ndash; Whether this item is paragraph-like.\n * Generally speaking, content is usually made out of blocks like paragraphs, list items, images, headings, etc.\n * * {@link ~SchemaItemDefinition#isInline `isInline`} &ndash; Whether an item is \"text-like\" and should be treated as an inline node.\n * Examples of inline elements: `$text`, `softBreak` (`<br>`), etc.\n * * {@link ~SchemaItemDefinition#isLimit `isLimit`} &ndash; It can be understood as whether this element\n * should not be split by <kbd>Enter</kbd>. Examples of limit elements: `$root`, table cell, image caption, etc.\n * In other words, all actions that happen inside a limit element are limited to its content.\n * All objects are treated as limit elements, too.\n * * {@link ~SchemaItemDefinition#isObject `isObject`} &ndash; Whether an item is \"self-contained\" and should be treated as a whole.\n * Examples of object elements: `image`, `table`, `video`, etc. An object is also a limit, so\n * {@link module:engine/model/schema~Schema#isLimit `isLimit()`} returns `true` for object elements automatically.\n *\n * Read more about the meaning of these types in the\n * {@glink framework/guides/deep-dive/schema#defining-additional-semantics dedicated section of the Schema deep dive} guide.\n *\n * # Generic items\n *\n * There are three basic generic items: `$root`, `$block` and `$text`.\n * They are defined as follows:\n *\n *\t\tthis.schema.register( '$root', {\n *\t\t\tisLimit: true\n *\t\t} );\n *\t\tthis.schema.register( '$block', {\n *\t\t\tallowIn: '$root',\n *\t\t\tisBlock: true\n *\t\t} );\n *\t\tthis.schema.register( '$text', {\n *\t\t\tallowIn: '$block',\n *\t\t\tisInline: true\n *\t\t} );\n *\n * They reflect typical editor content that is contained within one root, consists of several blocks\n * (paragraphs, lists items, headings, images) which, in turn, may contain text inside.\n *\n * By inheriting from the generic items you can define new items which will get extended by other editor features.\n * Read more about generic types in the {@glink framework/guides/deep-dive/schema Schema deep dive} guide.\n *\n * # Example definitions\n *\n * Allow `paragraph` in roots and block quotes:\n *\n *\t\tschema.register( 'paragraph', {\n *\t\t\tallowIn: [ '$root', 'blockQuote' ],\n *\t\t\tisBlock: true\n *\t\t} );\n *\n * Allow `paragraph` everywhere where `$block` is allowed (i.e. in `$root`):\n *\n *\t\tschema.register( 'paragraph', {\n *\t\t\tallowWhere: '$block',\n *\t\t\tisBlock: true\n *\t\t} );\n *\n * Make `image` a block object, which is allowed everywhere where `$block` is.\n * Also, allow `src` and `alt` attributes in it:\n *\n *\t\tschema.register( 'image', {\n *\t\t\tallowWhere: '$block',\n *\t\t\tallowAttributes: [ 'src', 'alt' ],\n *\t\t\tisBlock: true,\n *\t\t\tisObject: true\n *\t\t} );\n *\n * Make `caption` allowed in `image` and make it allow all the content of `$block`s (usually, `$text`).\n * Also, mark it as a limit element so it cannot be split:\n *\n *\t\tschema.register( 'caption', {\n *\t\t\tallowIn: 'image',\n *\t\t\tallowContentOf: '$block',\n *\t\t\tisLimit: true\n *\t\t} );\n *\n * Make `listItem` inherit all from `$block` but also allow additional attributes:\n *\n *\t\tschema.register( 'listItem', {\n *\t\t\tinheritAllFrom: '$block',\n *\t\t\tallowAttributes: [ 'listType', 'listIndent' ]\n *\t\t} );\n *\n * Which translates to:\n *\n *\t\tschema.register( 'listItem', {\n *\t\t\tallowWhere: '$block',\n *\t\t\tallowContentOf: '$block',\n *\t\t\tallowAttributesOf: '$block',\n *\t\t\tinheritTypesFrom: '$block',\n *\t\t\tallowAttributes: [ 'listType', 'listIndent' ]\n *\t\t} );\n *\n * # Tips\n *\n * * Check schema definitions of existing features to see how they are defined.\n * * If you want to publish your feature so other developers can use it, try to use\n * generic items as much as possible.\n * * Keep your model clean. Limit it to the actual data and store information in a normalized way.\n * * Remember about defining the `is*` properties. They do not affect the allowed structures, but they can\n * affect how the editor features treat your elements.\n *\n * @typedef {Object} module:engine/model/schema~SchemaItemDefinition\n *\n * @property {String|Array.<String>} allowIn Defines in which other items this item will be allowed.\n * @property {String|Array.<String>} allowAttributes Defines allowed attributes of the given item.\n * @property {String|Array.<String>} allowContentOf Inherits \"allowed children\" from other items.\n * @property {String|Array.<String>} allowWhere Inherits \"allowed in\" from other items.\n * @property {String|Array.<String>} allowAttributesOf Inherits attributes from other items.\n * @property {String|Array.<String>} inheritTypesFrom Inherits `is*` properties of other items.\n * @property {String} inheritAllFrom A shorthand for `allowContentOf`, `allowWhere`, `allowAttributesOf`, `inheritTypesFrom`.\n *\n * @property {Boolean} isBlock\n * Whether this item is paragraph-like. Generally speaking, content is usually made out of blocks\n * like paragraphs, list items, images, headings, etc. All these elements are marked as blocks. A block\n * should not allow another block inside. Note: There is also the `$block` generic item which has `isBlock` set to `true`.\n * Most block type items will inherit from `$block` (through `inheritAllFrom`).\n *\n * Read more about the block elements in the\n * {@glink framework/guides/deep-dive/schema#block-elements Block elements} section of the Schema deep dive} guide.\n *\n * @property {Boolean} isInline\n * Whether an item is \"text-like\" and should be treated as an inline node. Examples of inline elements:\n * `$text`, `softBreak` (`<br>`), etc.\n *\n * Read more about the inline elements in the\n * {@glink framework/guides/deep-dive/schema#inline-elements Inline elements} section of the Schema deep dive} guide.\n *\n * @property {Boolean} isLimit\n * It can be understood as whether this element should not be split by <kbd>Enter</kbd>.\n * Examples of limit elements: `$root`, table cell, image caption, etc. In other words, all actions that happen inside\n * a limit element are limited to its content.\n *\n * Read more about the limit elements in the\n * {@glink framework/guides/deep-dive/schema#limit-elements Limit elements} section of the Schema deep dive} guide.\n *\n * @property {Boolean} isObject\n * Whether an item is \"self-contained\" and should be treated as a whole. Examples of object elements:\n * `image`, `table`, `video`, etc.\n *\n * **Note:** An object is also a limit, so\n * {@link module:engine/model/schema~Schema#isLimit `isLimit()`} returns `true` for object elements automatically.\n *\n * Read more about the object elements in the\n * {@glink framework/guides/deep-dive/schema#object-elements Object elements} section of the Schema deep dive} guide.\n *\n * @property {Boolean} isSelectable\n * `true` when an element should be selectable as a whole by the user. Examples of selectable elements: `image`, `table`, `tableCell`, etc.\n *\n * **Note:** An object is also a selectable element, so\n * {@link module:engine/model/schema~Schema#isSelectable `isSelectable()`} returns `true` for object elements automatically.\n *\n * Read more about selectable elements in the\n * {@glink framework/guides/deep-dive/schema#selectable-elements Selectable elements} section of the Schema deep dive} guide.\n *\n * @property {Boolean} isContent\n * An item is a content when it always finds its way to the editor data output regardless of the number and type of its descendants.\n * Examples of content elements: `$text`, `image`, `table`, etc. (but not `paragraph`, `heading1` or `tableCell`).\n *\n * **Note:** An object is also a content element, so\n * {@link module:engine/model/schema~Schema#isContent `isContent()`} returns `true` for object elements automatically.\n *\n * Read more about content elements in the\n * {@glink framework/guides/deep-dive/schema#content-elements Content elements} section of the Schema deep dive} guide.\n */\n\n/**\n * A simplified version of {@link module:engine/model/schema~SchemaItemDefinition} after\n * compilation by the {@link module:engine/model/schema~Schema schema}.\n * Rules fed to the schema by {@link module:engine/model/schema~Schema#register}\n * and {@link module:engine/model/schema~Schema#extend} methods are defined in the\n * {@link module:engine/model/schema~SchemaItemDefinition} format.\n * Later on, they are compiled to `SchemaCompiledItemDefinition` so when you use e.g.\n * the {@link module:engine/model/schema~Schema#getDefinition} method you get the compiled version.\n *\n * The compiled version contains only the following properties:\n *\n * * The `name` property,\n * * The `is*` properties,\n * * The `allowIn` array,\n * * The `allowAttributes` array.\n *\n * @typedef {Object} module:engine/model/schema~SchemaCompiledItemDefinition\n */\n\n/**\n * A schema context &mdash; a list of ancestors of a given position in the document.\n *\n * Considering such position:\n *\n *\t\t<$root>\n *\t\t\t<blockQuote>\n *\t\t\t\t<paragraph>\n *\t\t\t\t\t^\n *\t\t\t\t</paragraph>\n *\t\t\t</blockQuote>\n *\t\t</$root>\n *\n * The context of this position is its {@link module:engine/model/position~Position#getAncestors lists of ancestors}:\n *\n *\t\t[ rootElement, blockQuoteElement, paragraphElement ]\n *\n * Contexts are used in the {@link module:engine/model/schema~Schema#event:checkChild `Schema#checkChild`} and\n * {@link module:engine/model/schema~Schema#event:checkAttribute `Schema#checkAttribute`} events as a definition\n * of a place in the document where the check occurs. The context instances are created based on the first arguments\n * of the {@link module:engine/model/schema~Schema#checkChild `Schema#checkChild()`} and\n * {@link module:engine/model/schema~Schema#checkAttribute `Schema#checkAttribute()`} methods so when\n * using these methods you need to use {@link module:engine/model/schema~SchemaContextDefinition}s.\n */\nexport class SchemaContext {\n\t/**\n\t * Creates an instance of the context.\n\t *\n\t * @param {module:engine/model/schema~SchemaContextDefinition} context\n\t */\n\tconstructor( context ) {\n\t\tif ( context instanceof SchemaContext ) {\n\t\t\treturn context;\n\t\t}\n\n\t\tif ( typeof context == 'string' ) {\n\t\t\tcontext = [ context ];\n\t\t} else if ( !Array.isArray( context ) ) {\n\t\t\t// `context` is item or position.\n\t\t\t// Position#getAncestors() doesn't accept any parameters but it works just fine here.\n\t\t\tcontext = context.getAncestors( { includeSelf: true } );\n\t\t}\n\n\t\tif ( context[ 0 ] && typeof context[ 0 ] != 'string' && context[ 0 ].is( 'documentFragment' ) ) {\n\t\t\tcontext.shift();\n\t\t}\n\n\t\tthis._items = context.map( mapContextItem );\n\t}\n\n\t/**\n\t * The number of items.\n\t *\n\t * @type {Number}\n\t */\n\tget length() {\n\t\treturn this._items.length;\n\t}\n\n\t/**\n\t * The last item (the lowest node).\n\t *\n\t * @type {module:engine/model/schema~SchemaContextItem}\n\t */\n\tget last() {\n\t\treturn this._items[ this._items.length - 1 ];\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all context items.\n\t *\n\t * @returns {Iterable.<module:engine/model/schema~SchemaContextItem>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._items[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Returns a new schema context instance with an additional item.\n\t *\n\t * Item can be added as:\n\t *\n\t * \t\tconst context = new SchemaContext( [ '$root' ] );\n\t *\n\t * \t\t// An element.\n\t * \t\tconst fooElement = writer.createElement( 'fooElement' );\n\t * \t\tconst newContext = context.push( fooElement ); // [ '$root', 'fooElement' ]\n\t *\n\t * \t\t// A text node.\n\t * \t\tconst text = writer.createText( 'foobar' );\n\t * \t\tconst newContext = context.push( text ); // [ '$root', '$text' ]\n\t *\n\t * \t\t// A string (element name).\n\t * \t\tconst newContext = context.push( 'barElement' ); // [ '$root', 'barElement' ]\n\t *\n\t * **Note** {@link module:engine/model/node~Node} that is already in the model tree will be added as the only item\n\t * (without ancestors).\n\t *\n\t * @param {String|module:engine/model/node~Node|Array<String|module:engine/model/node~Node>} item An item that will be added\n\t * to the current context.\n\t * @returns {module:engine/model/schema~SchemaContext} A new schema context instance with an additional item.\n\t */\n\tpush( item ) {\n\t\tconst ctx = new SchemaContext( [ item ] );\n\n\t\tctx._items = [ ...this._items, ...ctx._items ];\n\n\t\treturn ctx;\n\t}\n\n\t/**\n\t * Gets an item on the given index.\n\t *\n\t * @returns {module:engine/model/schema~SchemaContextItem}\n\t */\n\tgetItem( index ) {\n\t\treturn this._items[ index ];\n\t}\n\n\t/**\n\t * Returns the names of items.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\t* getNames() {\n\t\tyield* this._items.map( item => item.name );\n\t}\n\n\t/**\n\t * Checks whether the context ends with the given nodes.\n\t *\n\t *\t\tconst ctx = new SchemaContext( [ rootElement, paragraphElement, textNode ] );\n\t *\n\t *\t\tctx.endsWith( '$text' ); // -> true\n\t *\t\tctx.endsWith( 'paragraph $text' ); // -> true\n\t *\t\tctx.endsWith( '$root' ); // -> false\n\t *\t\tctx.endsWith( 'paragraph' ); // -> false\n\t *\n\t * @param {String} query\n\t * @returns {Boolean}\n\t */\n\tendsWith( query ) {\n\t\treturn Array.from( this.getNames() ).join( ' ' ).endsWith( query );\n\t}\n\n\t/**\n\t * Checks whether the context starts with the given nodes.\n\t *\n\t *\t\tconst ctx = new SchemaContext( [ rootElement, paragraphElement, textNode ] );\n\t *\n\t *\t\tctx.endsWith( '$root' ); // -> true\n\t *\t\tctx.endsWith( '$root paragraph' ); // -> true\n\t *\t\tctx.endsWith( '$text' ); // -> false\n\t *\t\tctx.endsWith( 'paragraph' ); // -> false\n\t *\n\t * @param {String} query\n\t * @returns {Boolean}\n\t */\n\tstartsWith( query ) {\n\t\treturn Array.from( this.getNames() ).join( ' ' ).startsWith( query );\n\t}\n}\n\n/**\n * The definition of a {@link module:engine/model/schema~SchemaContext schema context}.\n *\n * Contexts can be created in multiple ways:\n *\n * * By defining a **node** – in this cases this node and all its ancestors will be used.\n * * By defining a **position** in the document – in this case all its ancestors will be used.\n * * By defining an **array of nodes** – in this case this array defines the entire context.\n * * By defining a **name of node** - in this case node will be \"mocked\". It is not recommended because context\n * will be unrealistic (e.g. attributes of these nodes are not specified). However, at times this may be the only\n * way to define the context (e.g. when checking some hypothetical situation).\n * * By defining an **array of node names** (potentially, mixed with real nodes) – The same as **name of node**\n * but it is possible to create a path.\n * * By defining a {@link module:engine/model/schema~SchemaContext} instance - in this case the same instance as provided\n * will be return.\n *\n * Examples of context definitions passed to the {@link module:engine/model/schema~Schema#checkChild `Schema#checkChild()`}\n * method:\n *\n *\t\t// Assuming that we have a $root > blockQuote > paragraph structure, the following code\n *\t\t// will check node 'foo' in the following context:\n *\t\t// [ rootElement, blockQuoteElement, paragraphElement ]\n *\t\tconst contextDefinition = paragraphElement;\n * \t\tconst childToCheck = 'foo';\n *\t\tschema.checkChild( contextDefinition, childToCheck );\n *\n *\t\t// Also check in [ rootElement, blockQuoteElement, paragraphElement ].\n *\t\tschema.checkChild( model.createPositionAt( paragraphElement, 0 ), 'foo' );\n *\n *\t\t// Check in [ rootElement, paragraphElement ].\n *\t\tschema.checkChild( [ rootElement, paragraphElement ], 'foo' );\n *\n *\t\t// Check only fakeParagraphElement.\n *\t\tschema.checkChild( 'paragraph', 'foo' );\n *\n *\t\t// Check in [ fakeRootElement, fakeBarElement, paragraphElement ].\n *\t\tschema.checkChild( [ '$root', 'bar', paragraphElement ], 'foo' );\n *\n * All these `checkChild()` calls will fire {@link module:engine/model/schema~Schema#event:checkChild `Schema#checkChild`}\n * events in which `args[ 0 ]` is an instance of the context. Therefore, you can write a listener like this:\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst ctx = args[ 0 ];\n *\n *\t\t\tconsole.log( Array.from( ctx.getNames() ) );\n *\t\t} );\n *\n * Which will log the following:\n *\n *\t\t[ '$root', 'blockQuote', 'paragraph' ]\n *\t\t[ '$root', 'paragraph' ]\n *\t\t[ '$root', 'bar', 'paragraph' ]\n *\n * Note: When using the {@link module:engine/model/schema~Schema#checkAttribute `Schema#checkAttribute()`} method\n * you may want to check whether a text node may have an attribute. A {@link module:engine/model/text~Text} is a\n * correct way to define a context so you can do this:\n *\n *\t\tschema.checkAttribute( textNode, 'bold' );\n *\n * But sometimes you want to check whether a text at a given position might've had some attribute,\n * in which case you can create a context by mixing in an array of elements with a `'$text'` string:\n *\n *\t\t// Check in [ rootElement, paragraphElement, textNode ].\n *\t\tschema.checkChild( [ ...positionInParagraph.getAncestors(), '$text' ], 'bold' );\n *\n * @typedef {module:engine/model/node~Node|module:engine/model/position~Position|module:engine/model/schema~SchemaContext|\n * String|Array.<String|module:engine/model/node~Node>} module:engine/model/schema~SchemaContextDefinition\n */\n\n/**\n * An item of the {@link module:engine/model/schema~SchemaContext schema context}.\n *\n * It contains 3 properties:\n *\n * * `name` – the name of this item,\n * * `* getAttributeKeys()` – a generator of keys of item attributes,\n * * `getAttribute( keyName )` – a method to get attribute values.\n *\n * The context item interface is a highly simplified version of {@link module:engine/model/node~Node} and its role\n * is to expose only the information which schema checks are able to provide (which is the name of the node and\n * node's attributes).\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst ctx = args[ 0 ];\n *\t\t\tconst firstItem = ctx.getItem( 0 );\n *\n *\t\t\tconsole.log( firstItem.name ); // -> '$root'\n *\t\t\tconsole.log( firstItem.getAttribute( 'foo' ) ); // -> 'bar'\n *\t\t\tconsole.log( Array.from( firstItem.getAttributeKeys() ) ); // -> [ 'foo', 'faa' ]\n *\t\t} );\n *\n * @typedef {Object} module:engine/model/schema~SchemaContextItem\n */\n\n/**\n * A structure containing additional metadata describing the attribute.\n *\n * See {@link module:engine/model/schema~Schema#setAttributeProperties `Schema#setAttributeProperties()`} for usage examples.\n *\n * @typedef {Object} module:engine/model/schema~AttributeProperties\n * @property {Boolean} [isFormatting] Indicates that the attribute should be considered as a visual formatting, like `bold`, `italic` or\n * `fontSize` rather than semantic attribute (such as `src`, `listType`, etc.). For example, it is used by the \"Remove format\" feature.\n * @property {Boolean} [copyOnEnter] Indicates that given text attribute should be copied to the next block when enter is pressed.\n */\n\nfunction compileBaseItemRule( sourceItemRules, itemName ) {\n\tconst itemRule = {\n\t\tname: itemName,\n\n\t\tallowIn: [],\n\t\tallowContentOf: [],\n\t\tallowWhere: [],\n\n\t\tallowAttributes: [],\n\t\tallowAttributesOf: [],\n\n\t\tinheritTypesFrom: []\n\t};\n\n\tcopyTypes( sourceItemRules, itemRule );\n\n\tcopyProperty( sourceItemRules, itemRule, 'allowIn' );\n\tcopyProperty( sourceItemRules, itemRule, 'allowContentOf' );\n\tcopyProperty( sourceItemRules, itemRule, 'allowWhere' );\n\n\tcopyProperty( sourceItemRules, itemRule, 'allowAttributes' );\n\tcopyProperty( sourceItemRules, itemRule, 'allowAttributesOf' );\n\n\tcopyProperty( sourceItemRules, itemRule, 'inheritTypesFrom' );\n\n\tmakeInheritAllWork( sourceItemRules, itemRule );\n\n\treturn itemRule;\n}\n\nfunction compileAllowContentOf( compiledDefinitions, itemName ) {\n\tfor ( const allowContentOfItemName of compiledDefinitions[ itemName ].allowContentOf ) {\n\t\t// The allowContentOf property may point to an unregistered element.\n\t\tif ( compiledDefinitions[ allowContentOfItemName ] ) {\n\t\t\tconst allowedChildren = getAllowedChildren( compiledDefinitions, allowContentOfItemName );\n\n\t\t\tallowedChildren.forEach( allowedItem => {\n\t\t\t\tallowedItem.allowIn.push( itemName );\n\t\t\t} );\n\t\t}\n\t}\n\n\tdelete compiledDefinitions[ itemName ].allowContentOf;\n}\n\nfunction compileAllowWhere( compiledDefinitions, itemName ) {\n\tfor ( const allowWhereItemName of compiledDefinitions[ itemName ].allowWhere ) {\n\t\tconst inheritFrom = compiledDefinitions[ allowWhereItemName ];\n\n\t\t// The allowWhere property may point to an unregistered element.\n\t\tif ( inheritFrom ) {\n\t\t\tconst allowedIn = inheritFrom.allowIn;\n\n\t\t\tcompiledDefinitions[ itemName ].allowIn.push( ...allowedIn );\n\t\t}\n\t}\n\n\tdelete compiledDefinitions[ itemName ].allowWhere;\n}\n\nfunction compileAllowAttributesOf( compiledDefinitions, itemName ) {\n\tfor ( const allowAttributeOfItem of compiledDefinitions[ itemName ].allowAttributesOf ) {\n\t\tconst inheritFrom = compiledDefinitions[ allowAttributeOfItem ];\n\n\t\tif ( inheritFrom ) {\n\t\t\tconst inheritAttributes = inheritFrom.allowAttributes;\n\n\t\t\tcompiledDefinitions[ itemName ].allowAttributes.push( ...inheritAttributes );\n\t\t}\n\t}\n\n\tdelete compiledDefinitions[ itemName ].allowAttributesOf;\n}\n\nfunction compileInheritPropertiesFrom( compiledDefinitions, itemName ) {\n\tconst item = compiledDefinitions[ itemName ];\n\n\tfor ( const inheritPropertiesOfItem of item.inheritTypesFrom ) {\n\t\tconst inheritFrom = compiledDefinitions[ inheritPropertiesOfItem ];\n\n\t\tif ( inheritFrom ) {\n\t\t\tconst typeNames = Object.keys( inheritFrom ).filter( name => name.startsWith( 'is' ) );\n\n\t\t\tfor ( const name of typeNames ) {\n\t\t\t\tif ( !( name in item ) ) {\n\t\t\t\t\titem[ name ] = inheritFrom[ name ];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tdelete item.inheritTypesFrom;\n}\n\n// Remove items which weren't registered (because it may break some checks or we'd need to complicate them).\n// Make sure allowIn doesn't contain repeated values.\nfunction cleanUpAllowIn( compiledDefinitions, itemName ) {\n\tconst itemRule = compiledDefinitions[ itemName ];\n\tconst existingItems = itemRule.allowIn.filter( itemToCheck => compiledDefinitions[ itemToCheck ] );\n\n\titemRule.allowIn = Array.from( new Set( existingItems ) );\n}\n\nfunction cleanUpAllowAttributes( compiledDefinitions, itemName ) {\n\tconst itemRule = compiledDefinitions[ itemName ];\n\n\titemRule.allowAttributes = Array.from( new Set( itemRule.allowAttributes ) );\n}\n\nfunction copyTypes( sourceItemRules, itemRule ) {\n\tfor ( const sourceItemRule of sourceItemRules ) {\n\t\tconst typeNames = Object.keys( sourceItemRule ).filter( name => name.startsWith( 'is' ) );\n\n\t\tfor ( const name of typeNames ) {\n\t\t\titemRule[ name ] = sourceItemRule[ name ];\n\t\t}\n\t}\n}\n\nfunction copyProperty( sourceItemRules, itemRule, propertyName ) {\n\tfor ( const sourceItemRule of sourceItemRules ) {\n\t\tif ( typeof sourceItemRule[ propertyName ] == 'string' ) {\n\t\t\titemRule[ propertyName ].push( sourceItemRule[ propertyName ] );\n\t\t} else if ( Array.isArray( sourceItemRule[ propertyName ] ) ) {\n\t\t\titemRule[ propertyName ].push( ...sourceItemRule[ propertyName ] );\n\t\t}\n\t}\n}\n\nfunction makeInheritAllWork( sourceItemRules, itemRule ) {\n\tfor ( const sourceItemRule of sourceItemRules ) {\n\t\tconst inheritFrom = sourceItemRule.inheritAllFrom;\n\n\t\tif ( inheritFrom ) {\n\t\t\titemRule.allowContentOf.push( inheritFrom );\n\t\t\titemRule.allowWhere.push( inheritFrom );\n\t\t\titemRule.allowAttributesOf.push( inheritFrom );\n\t\t\titemRule.inheritTypesFrom.push( inheritFrom );\n\t\t}\n\t}\n}\n\nfunction getAllowedChildren( compiledDefinitions, itemName ) {\n\tconst itemRule = compiledDefinitions[ itemName ];\n\n\treturn getValues( compiledDefinitions ).filter( def => def.allowIn.includes( itemRule.name ) );\n}\n\nfunction getValues( obj ) {\n\treturn Object.keys( obj ).map( key => obj[ key ] );\n}\n\nfunction mapContextItem( ctxItem ) {\n\tif ( typeof ctxItem == 'string' ) {\n\t\treturn {\n\t\t\tname: ctxItem,\n\n\t\t\t* getAttributeKeys() {},\n\n\t\t\tgetAttribute() {}\n\t\t};\n\t} else {\n\t\treturn {\n\t\t\t// '$text' means text nodes and text proxies.\n\t\t\tname: ctxItem.is( 'element' ) ? ctxItem.name : '$text',\n\n\t\t\t* getAttributeKeys() {\n\t\t\t\tyield* ctxItem.getAttributeKeys();\n\t\t\t},\n\n\t\t\tgetAttribute( key ) {\n\t\t\t\treturn ctxItem.getAttribute( key );\n\t\t\t}\n\t\t};\n\t}\n}\n\n// Generator function returning values from provided walkers, switching between them at each iteration. If only one walker\n// is provided it will return data only from that walker.\n//\n// @param {module:engine/module/treewalker~TreeWalker} [backward] Walker iterating in backward direction.\n// @param {module:engine/module/treewalker~TreeWalker} [forward] Walker iterating in forward direction.\n// @returns {Iterable.<Object>} Object returned at each iteration contains `value` and `walker` (informing which walker returned\n// given value) fields.\nfunction* combineWalkers( backward, forward ) {\n\tlet done = false;\n\n\twhile ( !done ) {\n\t\tdone = true;\n\n\t\tif ( backward ) {\n\t\t\tconst step = backward.next();\n\n\t\t\tif ( !step.done ) {\n\t\t\t\tdone = false;\n\t\t\t\tyield {\n\t\t\t\t\twalker: backward,\n\t\t\t\t\tvalue: step.value\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\n\t\tif ( forward ) {\n\t\t\tconst step = forward.next();\n\n\t\t\tif ( !step.done ) {\n\t\t\t\tdone = false;\n\t\t\t\tyield {\n\t\t\t\t\twalker: forward,\n\t\t\t\t\tvalue: step.value\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Takes an array of non-intersecting ranges. For each of them gets minimal flat ranges covering that range and returns\n// all those minimal flat ranges.\n//\n// @param {Array.<module:engine/model/range~Range>} ranges Ranges to process.\n// @returns {Iterable.<module:engine/model/range~Range>} Minimal flat ranges of given `ranges`.\nfunction* convertToMinimalFlatRanges( ranges ) {\n\tfor ( const range of ranges ) {\n\t\tyield* range.getMinimalFlatRanges();\n\t}\n}\n\nfunction removeDisallowedAttributeFromNode( schema, node, writer ) {\n\tfor ( const attribute of node.getAttributeKeys() ) {\n\t\tif ( !schema.checkAttribute( node, attribute ) ) {\n\t\t\twriter.removeAttribute( attribute, node );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/upcastdispatcher\n */\n\nimport ViewConsumable from './viewconsumable';\nimport ModelRange from '../model/range';\nimport ModelPosition from '../model/position';\nimport { SchemaContext } from '../model/schema';\nimport { isParagraphable, wrapInParagraph } from '../model/utils/autoparagraphing';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Upcast dispatcher is a central point of the view-to-model conversion, which is a process of\n * converting a given {@link module:engine/view/documentfragment~DocumentFragment view document fragment} or\n * {@link module:engine/view/element~Element view element} into a correct model structure.\n *\n * During the conversion process, the dispatcher fires events for all {@link module:engine/view/node~Node view nodes}\n * from the converted view document fragment.\n * Special callbacks called \"converters\" should listen to these events in order to convert the view nodes.\n *\n * The second parameter of the callback is the `data` object with the following properties:\n *\n * * `data.viewItem` contains a {@link module:engine/view/node~Node view node} or a\n * {@link module:engine/view/documentfragment~DocumentFragment view document fragment}\n * that is converted at the moment and might be handled by the callback.\n * * `data.modelRange` is used to point to the result\n * of the current conversion (e.g. the element that is being inserted)\n * and is always a {@link module:engine/model/range~Range} when the conversion succeeds.\n * * `data.modelCursor` is a {@link module:engine/model/position~Position position} on which the converter should insert\n * the newly created items.\n *\n * The third parameter of the callback is an instance of {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi}\n * which provides additional tools for converters.\n *\n * You can read more about conversion in the following guides:\n *\n * * {@glink framework/guides/deep-dive/conversion/conversion-introduction Advanced conversion concepts &mdash; attributes}\n * * {@glink framework/guides/deep-dive/conversion/custom-element-conversion Custom element conversion}\n *\n * Examples of event-based converters:\n *\n *\t\t// A converter for links (<a>).\n *\t\teditor.data.upcastDispatcher.on( 'element:a', ( evt, data, conversionApi ) => {\n *\t\t\tif ( conversionApi.consumable.consume( data.viewItem, { name: true, attributes: [ 'href' ] } ) ) {\n *\t\t\t\t// The <a> element is inline and is represented by an attribute in the model.\n *\t\t\t\t// This is why you need to convert only children.\n *\t\t\t\tconst { modelRange } = conversionApi.convertChildren( data.viewItem, data.modelCursor );\n *\n *\t\t\t\tfor ( let item of modelRange.getItems() ) {\n *\t\t\t\t\tif ( conversionApi.schema.checkAttribute( item, 'linkHref' ) ) {\n *\t\t\t\t\t\tconversionApi.writer.setAttribute( 'linkHref', data.viewItem.getAttribute( 'href' ), item );\n *\t\t\t\t\t}\n *\t\t\t\t}\n *\t\t\t}\n *\t\t} );\n *\n *\t\t// Convert <p> element's font-size style.\n *\t\t// Note: You should use a low-priority observer in order to ensure that\n *\t\t// it is executed after the element-to-element converter.\n *\t\teditor.data.upcastDispatcher.on( 'element:p', ( evt, data, conversionApi ) => {\n *\t\t\tconst { consumable, schema, writer } = conversionApi;\n *\n *\t\t\tif ( !consumable.consume( data.viewItem, { style: 'font-size' } ) ) {\n *\t\t\t\treturn;\n *\t\t\t}\n *\n *\t\t\tconst fontSize = data.viewItem.getStyle( 'font-size' );\n *\n *\t\t\t// Do not go for the model element after data.modelCursor because it might happen\n *\t\t\t// that a single view element was converted to multiple model elements. Get all of them.\n *\t\t\tfor ( const item of data.modelRange.getItems( { shallow: true } ) ) {\n *\t\t\t\tif ( schema.checkAttribute( item, 'fontSize' ) ) {\n *\t\t\t\t\twriter.setAttribute( 'fontSize', fontSize, item );\n *\t\t\t\t}\n *\t\t\t}\n *\t\t}, { priority: 'low' } );\n *\n *\t\t// Convert all elements which have no custom converter into a paragraph (autoparagraphing).\n *\t\teditor.data.upcastDispatcher.on( 'element', ( evt, data, conversionApi ) => {\n *\t\t\t// Check if an element can be converted.\n *\t\t\tif ( !conversionApi.consumable.test( data.viewItem, { name: data.viewItem.name } ) ) {\n *\t\t\t\t// When an element is already consumed by higher priority converters, do nothing.\n *\t\t\t\treturn;\n *\t\t\t}\n *\n *\t\t\tconst paragraph = conversionApi.writer.createElement( 'paragraph' );\n *\n *\t\t\t// Try to safely insert a paragraph at the model cursor - it will find an allowed parent for the current element.\n *\t\t\tif ( !conversionApi.safeInsert( paragraph, data.modelCursor ) ) {\n *\t\t\t\t// When an element was not inserted, it means that you cannot insert a paragraph at this position.\n *\t\t\t\treturn;\n *\t\t\t}\n *\n *\t\t\t// Consume the inserted element.\n *\t\t\tconversionApi.consumable.consume( data.viewItem, { name: data.viewItem.name } ) );\n *\n *\t\t\t// Convert the children to a paragraph.\n *\t\t\tconst { modelRange } = conversionApi.convertChildren( data.viewItem,  paragraph ) );\n *\n *\t\t\t// Update `modelRange` and `modelCursor` in the `data` as a conversion result.\n *\t\t\tconversionApi.updateConversionResult( paragraph, data );\n *\t\t}, { priority: 'low' } );\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n * @fires viewCleanup\n * @fires element\n * @fires text\n * @fires documentFragment\n */\nexport default class UpcastDispatcher {\n\t/**\n\t * Creates an upcast dispatcher that operates using the passed API.\n\t *\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi\n\t * @param {Object} [conversionApi] Additional properties for an interface that will be passed to events fired\n\t * by the upcast dispatcher.\n\t */\n\tconstructor( conversionApi = {} ) {\n\t\t/**\n\t\t * The list of elements that were created during splitting.\n\t\t *\n\t\t * After the conversion process the list is cleared.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<module:engine/model/element~Element,Array.<module:engine/model/element~Element>>}\n\t\t */\n\t\tthis._splitParts = new Map();\n\n\t\t/**\n\t\t * The list of cursor parent elements that were created during splitting.\n\t\t *\n\t\t * After the conversion process the list is cleared.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<module:engine/model/element~Element,Array.<module:engine/model/element~Element>>}\n\t\t */\n\t\tthis._cursorParents = new Map();\n\n\t\t/**\n\t\t * The position in the temporary structure where the converted content is inserted. The structure reflects the context of\n\t\t * the target position where the content will be inserted. This property is built based on the context parameter of the\n\t\t * convert method.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/position~Position|null}\n\t\t */\n\t\tthis._modelCursor = null;\n\n\t\t/**\n\t\t * An interface passed by the dispatcher to the event callbacks.\n\t\t *\n\t\t * @member {module:engine/conversion/upcastdispatcher~UpcastConversionApi}\n\t\t */\n\t\tthis.conversionApi = Object.assign( {}, conversionApi );\n\n\t\t// The below methods are bound to this `UpcastDispatcher` instance and set on `conversionApi`.\n\t\t// This way only a part of `UpcastDispatcher` API is exposed.\n\t\tthis.conversionApi.convertItem = this._convertItem.bind( this );\n\t\tthis.conversionApi.convertChildren = this._convertChildren.bind( this );\n\t\tthis.conversionApi.safeInsert = this._safeInsert.bind( this );\n\t\tthis.conversionApi.updateConversionResult = this._updateConversionResult.bind( this );\n\t\t// Advanced API - use only if custom position handling is needed.\n\t\tthis.conversionApi.splitToAllowedParent = this._splitToAllowedParent.bind( this );\n\t\tthis.conversionApi.getSplitParts = this._getSplitParts.bind( this );\n\t}\n\n\t/**\n\t * Starts the conversion process. The entry point for the conversion.\n\t *\n\t * @fires element\n\t * @fires text\n\t * @fires documentFragment\n\t * @param {module:engine/view/documentfragment~DocumentFragment|module:engine/view/element~Element} viewItem\n\t * The part of the view to be converted.\n\t * @param {module:engine/model/writer~Writer} writer An instance of the model writer.\n\t * @param {module:engine/model/schema~SchemaContextDefinition} [context=['$root']] Elements will be converted according to this context.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} Model data that is the result of the conversion process\n\t * wrapped in `DocumentFragment`. Converted marker elements will be set as the document fragment's\n\t * {@link module:engine/model/documentfragment~DocumentFragment#markers static markers map}.\n\t */\n\tconvert( viewItem, writer, context = [ '$root' ] ) {\n\t\tthis.fire( 'viewCleanup', viewItem );\n\n\t\t// Create context tree and set position in the top element.\n\t\t// Items will be converted according to this position.\n\t\tthis._modelCursor = createContextTree( context, writer );\n\n\t\t// Store writer in conversion as a conversion API\n\t\t// to be sure that conversion process will use the same batch.\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// Create consumable values list for conversion process.\n\t\tthis.conversionApi.consumable = ViewConsumable.createFrom( viewItem );\n\n\t\t// Custom data stored by converter for conversion process.\n\t\tthis.conversionApi.store = {};\n\n\t\t// Do the conversion.\n\t\tconst { modelRange } = this._convertItem( viewItem, this._modelCursor );\n\n\t\t// Conversion result is always a document fragment so let's create it.\n\t\tconst documentFragment = writer.createDocumentFragment();\n\n\t\t// When there is a conversion result.\n\t\tif ( modelRange ) {\n\t\t\t// Remove all empty elements that were create while splitting.\n\t\t\tthis._removeEmptyElements();\n\n\t\t\t// Move all items that were converted in context tree to the document fragment.\n\t\t\tfor ( const item of Array.from( this._modelCursor.parent.getChildren() ) ) {\n\t\t\t\twriter.append( item, documentFragment );\n\t\t\t}\n\n\t\t\t// Extract temporary markers elements from model and set as static markers collection.\n\t\t\tdocumentFragment.markers = extractMarkersFromModelFragment( documentFragment, writer );\n\t\t}\n\n\t\t// Clear context position.\n\t\tthis._modelCursor = null;\n\n\t\t// Clear split elements & parents lists.\n\t\tthis._splitParts.clear();\n\t\tthis._cursorParents.clear();\n\n\t\t// Clear conversion API.\n\t\tthis.conversionApi.writer = null;\n\t\tthis.conversionApi.store = null;\n\n\t\t// Return fragment as conversion result.\n\t\treturn documentFragment;\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#convertItem\n\t */\n\t_convertItem( viewItem, modelCursor ) {\n\t\tconst data = Object.assign( { viewItem, modelCursor, modelRange: null } );\n\n\t\tif ( viewItem.is( 'element' ) ) {\n\t\t\tthis.fire( 'element:' + viewItem.name, data, this.conversionApi );\n\t\t} else if ( viewItem.is( '$text' ) ) {\n\t\t\tthis.fire( 'text', data, this.conversionApi );\n\t\t} else {\n\t\t\tthis.fire( 'documentFragment', data, this.conversionApi );\n\t\t}\n\n\t\t// Handle incorrect conversion result.\n\t\tif ( data.modelRange && !( data.modelRange instanceof ModelRange ) ) {\n\t\t\t/**\n\t\t\t * Incorrect conversion result was dropped.\n\t\t\t *\n\t\t\t * {@link module:engine/model/range~Range Model range} should be a conversion result.\n\t\t\t *\n\t\t\t * @error view-conversion-dispatcher-incorrect-result\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-conversion-dispatcher-incorrect-result', this );\n\t\t}\n\n\t\treturn { modelRange: data.modelRange, modelCursor: data.modelCursor };\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#convertChildren\n\t */\n\t_convertChildren( viewItem, elementOrModelCursor ) {\n\t\tlet nextModelCursor = elementOrModelCursor.is( 'position' ) ?\n\t\t\telementOrModelCursor : ModelPosition._createAt( elementOrModelCursor, 0 );\n\n\t\tconst modelRange = new ModelRange( nextModelCursor );\n\n\t\tfor ( const viewChild of Array.from( viewItem.getChildren() ) ) {\n\t\t\tconst result = this._convertItem( viewChild, nextModelCursor );\n\n\t\t\tif ( result.modelRange instanceof ModelRange ) {\n\t\t\t\tmodelRange.end = result.modelRange.end;\n\t\t\t\tnextModelCursor = result.modelCursor;\n\t\t\t}\n\t\t}\n\n\t\treturn { modelRange, modelCursor: nextModelCursor };\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#safeInsert\n\t */\n\t_safeInsert( modelElement, position ) {\n\t\t// Find allowed parent for element that we are going to insert.\n\t\t// If current parent does not allow to insert element but one of the ancestors does\n\t\t// then split nodes to allowed parent.\n\t\tconst splitResult = this._splitToAllowedParent( modelElement, position );\n\n\t\t// When there is no split result it means that we can't insert element to model tree, so let's skip it.\n\t\tif ( !splitResult ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Insert element on allowed position.\n\t\tthis.conversionApi.writer.insert( modelElement, splitResult.position );\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#updateConversionResult\n\t */\n\t_updateConversionResult( modelElement, data ) {\n\t\tconst parts = this._getSplitParts( modelElement );\n\n\t\tconst writer = this.conversionApi.writer;\n\n\t\t// Set conversion result range - only if not set already.\n\t\tif ( !data.modelRange ) {\n\t\t\tdata.modelRange = writer.createRange(\n\t\t\t\twriter.createPositionBefore( modelElement ),\n\t\t\t\twriter.createPositionAfter( parts[ parts.length - 1 ] )\n\t\t\t);\n\t\t}\n\n\t\tconst savedCursorParent = this._cursorParents.get( modelElement );\n\n\t\t// Now we need to check where the `modelCursor` should be.\n\t\tif ( savedCursorParent ) {\n\t\t\t// If we split parent to insert our element then we want to continue conversion in the new part of the split parent.\n\t\t\t//\n\t\t\t// before: <allowed><notAllowed>foo[]</notAllowed></allowed>\n\t\t\t// after:  <allowed><notAllowed>foo</notAllowed> <converted></converted> <notAllowed>[]</notAllowed></allowed>\n\n\t\t\tdata.modelCursor = writer.createPositionAt( savedCursorParent, 0 );\n\t\t} else {\n\t\t\t// Otherwise just continue after inserted element.\n\n\t\t\tdata.modelCursor = data.modelRange.end;\n\t\t}\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#splitToAllowedParent\n\t */\n\t_splitToAllowedParent( node, modelCursor ) {\n\t\tconst { schema, writer } = this.conversionApi;\n\n\t\t// Try to find allowed parent.\n\t\tlet allowedParent = schema.findAllowedParent( modelCursor, node );\n\n\t\tif ( allowedParent ) {\n\t\t\t// When current position parent allows to insert node then return this position.\n\t\t\tif ( allowedParent === modelCursor.parent ) {\n\t\t\t\treturn { position: modelCursor };\n\t\t\t}\n\n\t\t\t// When allowed parent is in context tree (it's outside the converted tree).\n\t\t\tif ( this._modelCursor.parent.getAncestors().includes( allowedParent ) ) {\n\t\t\t\tallowedParent = null;\n\t\t\t}\n\t\t}\n\n\t\tif ( !allowedParent ) {\n\t\t\t// Check if the node wrapped with a paragraph would be accepted by the schema.\n\t\t\tif ( !isParagraphable( modelCursor, node, schema ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tposition: wrapInParagraph( modelCursor, writer )\n\t\t\t};\n\t\t}\n\n\t\t// Split element to allowed parent.\n\t\tconst splitResult = this.conversionApi.writer.split( modelCursor, allowedParent );\n\n\t\t// Using the range returned by `model.Writer#split`, we will pair original elements with their split parts.\n\t\t//\n\t\t// The range returned from the writer spans \"over the split\" or, precisely saying, from the end of the original element (the one\n\t\t// that got split) to the beginning of the other part of that element:\n\t\t//\n\t\t// <limit><a><b><c>X[]Y</c></b><a></limit> ->\n\t\t// <limit><a><b><c>X[</c></b></a><a><b><c>]Y</c></b></a>\n\t\t//\n\t\t// After the split there cannot be any full node between the positions in `splitRange`. The positions are touching.\n\t\t// Also, because of how splitting works, it is easy to notice, that \"closing tags\" are in the reverse order than \"opening tags\".\n\t\t// Also, since we split all those elements, each of them has to have the other part.\n\t\t//\n\t\t// With those observations in mind, we will pair the original elements with their split parts by saving \"closing tags\" and matching\n\t\t// them with \"opening tags\" in the reverse order. For that we can use a stack.\n\t\tconst stack = [];\n\n\t\tfor ( const treeWalkerValue of splitResult.range.getWalker() ) {\n\t\t\tif ( treeWalkerValue.type == 'elementEnd' ) {\n\t\t\t\tstack.push( treeWalkerValue.item );\n\t\t\t} else {\n\t\t\t\t// There should not be any text nodes after the element is split, so the only other value is `elementStart`.\n\t\t\t\tconst originalPart = stack.pop();\n\t\t\t\tconst splitPart = treeWalkerValue.item;\n\n\t\t\t\tthis._registerSplitPair( originalPart, splitPart );\n\t\t\t}\n\t\t}\n\n\t\tconst cursorParent = splitResult.range.end.parent;\n\t\tthis._cursorParents.set( node, cursorParent );\n\n\t\treturn {\n\t\t\tposition: splitResult.position,\n\t\t\tcursorParent\n\t\t};\n\t}\n\n\t/**\n\t * Registers that a `splitPart` element is a split part of the `originalPart` element.\n\t *\n\t * The data set by this method is used by {@link #_getSplitParts} and {@link #_removeEmptyElements}.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} originalPart\n\t * @param {module:engine/model/element~Element} splitPart\n\t */\n\t_registerSplitPair( originalPart, splitPart ) {\n\t\tif ( !this._splitParts.has( originalPart ) ) {\n\t\t\tthis._splitParts.set( originalPart, [ originalPart ] );\n\t\t}\n\n\t\tconst list = this._splitParts.get( originalPart );\n\n\t\tthis._splitParts.set( splitPart, list );\n\t\tlist.push( splitPart );\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#getSplitParts\n\t */\n\t_getSplitParts( element ) {\n\t\tlet parts;\n\n\t\tif ( !this._splitParts.has( element ) ) {\n\t\t\tparts = [ element ];\n\t\t} else {\n\t\t\tparts = this._splitParts.get( element );\n\t\t}\n\n\t\treturn parts;\n\t}\n\n\t/**\n\t * Checks if there are any empty elements created while splitting and removes them.\n\t *\n\t * This method works recursively to re-check empty elements again after at least one element was removed in the initial call,\n\t * as some elements might have become empty after other empty elements were removed from them.\n\t *\n\t * @private\n\t */\n\t_removeEmptyElements() {\n\t\tlet anyRemoved = false;\n\n\t\tfor ( const element of this._splitParts.keys() ) {\n\t\t\tif ( element.isEmpty ) {\n\t\t\t\tthis.conversionApi.writer.remove( element );\n\t\t\t\tthis._splitParts.delete( element );\n\n\t\t\t\tanyRemoved = true;\n\t\t\t}\n\t\t}\n\n\t\tif ( anyRemoved ) {\n\t\t\tthis._removeEmptyElements();\n\t\t}\n\t}\n\n\t/**\n\t * Fired before the first conversion event, at the beginning of the upcast (view-to-model conversion) process.\n\t *\n\t * @event viewCleanup\n\t * @param {module:engine/view/documentfragment~DocumentFragment|module:engine/view/element~Element}\n\t * viewItem A part of the view to be converted.\n\t */\n\n\t/**\n\t * Fired when an {@link module:engine/view/element~Element} is converted.\n\t *\n\t * `element` is a namespace event for a class of events. Names of actually called events follow the pattern of\n\t * `element:<elementName>` where `elementName` is the name of the converted element. This way listeners may listen to\n\t * a conversion of all or just specific elements.\n\t *\n\t * @event element\n\t * @param {module:engine/conversion/upcastdispatcher~UpcastConversionData} data The conversion data. Keep in mind that this object is\n\t * shared by reference between all callbacks that will be called. This means that callbacks can override values if needed, and these\n\t * values will be available in other callbacks.\n\t * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion utilities to be used by the\n\t * callback.\n\t */\n\n\t/**\n\t * Fired when a {@link module:engine/view/text~Text} is converted.\n\t *\n\t * @event text\n\t * @see #event:element\n\t */\n\n\t/**\n\t * Fired when a {@link module:engine/view/documentfragment~DocumentFragment} is converted.\n\t *\n\t * @event documentFragment\n\t * @see #event:element\n\t */\n}\n\nmix( UpcastDispatcher, EmitterMixin );\n\n// Traverses given model item and searches elements which marks marker range. Found element is removed from\n// DocumentFragment but path of this element is stored in a Map which is then returned.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment|module:engine/view/node~Node} modelItem Fragment of model.\n// @returns {Map<String, module:engine/model/range~Range>} List of static markers.\nfunction extractMarkersFromModelFragment( modelItem, writer ) {\n\tconst markerElements = new Set();\n\tconst markers = new Map();\n\n\t// Create ModelTreeWalker.\n\tconst range = ModelRange._createIn( modelItem ).getItems();\n\n\t// Walk through DocumentFragment and collect marker elements.\n\tfor ( const item of range ) {\n\t\t// Check if current element is a marker.\n\t\tif ( item.name == '$marker' ) {\n\t\t\tmarkerElements.add( item );\n\t\t}\n\t}\n\n\t// Walk through collected marker elements store its path and remove its from the DocumentFragment.\n\tfor ( const markerElement of markerElements ) {\n\t\tconst markerName = markerElement.getAttribute( 'data-name' );\n\t\tconst currentPosition = writer.createPositionBefore( markerElement );\n\n\t\t// When marker of given name is not stored it means that we have found the beginning of the range.\n\t\tif ( !markers.has( markerName ) ) {\n\t\t\tmarkers.set( markerName, new ModelRange( currentPosition.clone() ) );\n\t\t// Otherwise is means that we have found end of the marker range.\n\t\t} else {\n\t\t\tmarkers.get( markerName ).end = currentPosition.clone();\n\t\t}\n\n\t\t// Remove marker element from DocumentFragment.\n\t\twriter.remove( markerElement );\n\t}\n\n\treturn markers;\n}\n\n// Creates model fragment according to given context and returns position in the bottom (the deepest) element.\nfunction createContextTree( contextDefinition, writer ) {\n\tlet position;\n\n\tfor ( const item of new SchemaContext( contextDefinition ) ) {\n\t\tconst attributes = {};\n\n\t\tfor ( const key of item.getAttributeKeys() ) {\n\t\t\tattributes[ key ] = item.getAttribute( key );\n\t\t}\n\n\t\tconst current = writer.createElement( item.name, attributes );\n\n\t\tif ( position ) {\n\t\t\twriter.append( current, position );\n\t\t}\n\n\t\tposition = ModelPosition._createAt( current, 0 );\n\t}\n\n\treturn position;\n}\n\n/**\n * A set of conversion utilities available as the third parameter of the\n * {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher upcast dispatcher}'s events.\n *\n * @interface module:engine/conversion/upcastdispatcher~UpcastConversionApi\n */\n\n/**\n * Starts the conversion of a given item by firing an appropriate event.\n *\n * Every fired event is passed (as the first parameter) an object with the `modelRange` property. Every event may set and/or\n * modify that property. When all callbacks are done, the final value of the `modelRange` property is returned by this method.\n * The `modelRange` must be a {@link module:engine/model/range~Range model range} or `null` (as set by default).\n *\n * @method #convertItem\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:text\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:documentFragment\n * @param {module:engine/view/item~Item} viewItem Item to convert.\n * @param {module:engine/model/position~Position} modelCursor The conversion position.\n * @returns {Object} result The conversion result.\n * @returns {module:engine/model/range~Range|null} result.modelRange The model range containing the result of the item conversion,\n * created and modified by callbacks attached to the fired event, or `null` if the conversion result was incorrect.\n * @returns {module:engine/model/position~Position} result.modelCursor The position where the conversion should be continued.\n */\n\n/**\n * Starts the conversion of all children of a given item by firing appropriate events for all the children.\n *\n * @method #convertChildren\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:text\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:documentFragment\n * @param {module:engine/view/item~Item} viewItem An element whose children should be converted.\n * @param {module:engine/model/position~Position|module:engine/model/element~Element} positionOrElement A position or an element of\n * the conversion.\n * @returns {Object} result The conversion result.\n * @returns {module:engine/model/range~Range} result.modelRange The model range containing the results of the conversion of all children\n * of the given item. When no child was converted, the range is collapsed.\n * @returns {module:engine/model/position~Position} result.modelCursor The position where the conversion should be continued.\n */\n\n/**\n * Safely inserts an element to the document, checking the {@link module:engine/model/schema~Schema schema} to find an allowed parent for\n * an element that you are going to insert, starting from the given position. If the current parent does not allow to insert the element\n * but one of the ancestors does, then splits the nodes to allowed parent.\n *\n * If the schema allows to insert the node in a given position, nothing is split.\n *\n * If it was not possible to find an allowed parent, `false` is returned and nothing is split.\n *\n * Otherwise, ancestors are split.\n *\n * For instance, if `<image>` is not allowed in `<paragraph>` but is allowed in `$root`:\n *\n *\t\t<paragraph>foo[]bar</paragraph>\n *\n *\t\t-> safe insert for `<image>` will split ->\n *\n *\t\t<paragraph>foo</paragraph>[]<paragraph>bar</paragraph>\n *\n * Example usage:\n *\n *\t\tconst myElement = conversionApi.writer.createElement( 'myElement' );\n *\n *\t\tif ( !conversionApi.safeInsert( myElement, data.modelCursor ) ) {\n *\t\t\treturn;\n *\t\t}\n *\n * The split result is saved and {@link #updateConversionResult} should be used to update the\n * {@link module:engine/conversion/upcastdispatcher~UpcastConversionData conversion data}.\n *\n * @method #safeInsert\n * @param {module:engine/model/node~Node} node The node to insert.\n * @param {module:engine/model/position~Position} position The position where an element is going to be inserted.\n * @returns {Boolean} The split result. If it was not possible to find an allowed position, `false` is returned.\n */\n\n/**\n * Updates the conversion result and sets a proper {@link module:engine/conversion/upcastdispatcher~UpcastConversionData#modelRange} and\n * the next {@link module:engine/conversion/upcastdispatcher~UpcastConversionData#modelCursor} after the conversion.\n * Used together with {@link #safeInsert}, it enables you to easily convert elements without worrying if the node was split\n * during the conversion of its children.\n *\n * A usage example in converter code:\n *\n *\t\tconst myElement = conversionApi.writer.createElement( 'myElement' );\n *\n *\t\tif ( !conversionApi.safeInsert( myElement, data.modelCursor ) ) {\n *\t\t\treturn;\n *\t\t}\n *\n *\t\t// Children conversion may split `myElement`.\n *\t\tconversionApi.convertChildren( data.viewItem, myElement );\n *\n *\t\tconversionApi.updateConversionResult( myElement, data );\n *\n * @method #updateConversionResult\n * @param {module:engine/model/element~Element} element\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionData} data Conversion data.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion utilities to be used by the callback.\n */\n\n/**\n * Checks the {@link module:engine/model/schema~Schema schema} to find an allowed parent for an element that is going to be inserted\n * starting from the given position. If the current parent does not allow inserting an element but one of the ancestors does, the method\n * splits nodes to allowed parent.\n *\n * If the schema allows inserting the node in the given position, nothing is split and an object with that position is returned.\n *\n * If it was not possible to find an allowed parent, `null` is returned and nothing is split.\n *\n * Otherwise, ancestors are split and an object with a position and the copy of the split element is returned.\n *\n * For instance, if `<image>` is not allowed in `<paragraph>` but is allowed in `$root`:\n *\n *\t\t<paragraph>foo[]bar</paragraph>\n *\n *\t\t-> split for `<image>` ->\n *\n *\t\t<paragraph>foo</paragraph>[]<paragraph>bar</paragraph>\n *\n * In the example above, the position between `<paragraph>` elements will be returned as `position` and the second `paragraph`\n * as `cursorParent`.\n *\n * **Note:** This is an advanced method. For most cases {@link #safeInsert} and {@link #updateConversionResult} should be used.\n *\n * @method #splitToAllowedParent\n * @param {module:engine/model/position~Position} position The position where the element is going to be inserted.\n * @param {module:engine/model/node~Node} node The node to insert.\n * @returns {Object|null} The split result. If it was not possible to find an allowed position, `null` is returned.\n * @returns {module:engine/model/position~Position} The position between split elements.\n * @returns {module:engine/model/element~Element} [cursorParent] The element inside which the cursor should be placed to\n * continue the conversion. When the element is not defined it means that there was no split.\n */\n\n/**\n * Returns all the split parts of the given `element` that were created during upcasting through using {@link #splitToAllowedParent}.\n * It enables you to easily track these elements and continue processing them after they are split during the conversion of their children.\n *\n *\t\t<paragraph>Foo<image />bar<image />baz</paragraph> ->\n *\t\t<paragraph>Foo</paragraph><image /><paragraph>bar</paragraph><image /><paragraph>baz</paragraph>\n *\n * For a reference to any of above paragraphs, the function will return all three paragraphs (the original element included),\n * sorted in the order of their creation (the original element is the first one).\n *\n * If the given `element` was not split, an array with a single element is returned.\n *\n * A usage example in the converter code:\n *\n *\t\tconst myElement = conversionApi.writer.createElement( 'myElement' );\n *\n *\t\t// Children conversion may split `myElement`.\n *\t\tconversionApi.convertChildren( data.viewItem, data.modelCursor );\n *\n *\t\tconst splitParts = conversionApi.getSplitParts( myElement );\n *\t\tconst lastSplitPart = splitParts[ splitParts.length - 1 ];\n *\n *\t\t// Setting `data.modelRange` basing on split parts:\n *\t\tdata.modelRange = conversionApi.writer.createRange(\n *\t\t\tconversionApi.writer.createPositionBefore( myElement ),\n *\t\t\tconversionApi.writer.createPositionAfter( lastSplitPart )\n *\t\t);\n *\n *\t\t// Setting `data.modelCursor` to continue after the last split element:\n *\t\tdata.modelCursor = conversionApi.writer.createPositionAfter( lastSplitPart );\n *\n * **Tip:** If you are unable to get a reference to the original element (for example because the code is split into multiple converters\n * or even classes) but it has already been converted, you may want to check the first element in `data.modelRange`. This is a common\n * situation if an attribute converter is separated from an element converter.\n *\n * **Note:** This is an advanced method. For most cases {@link #safeInsert} and {@link #updateConversionResult} should be used.\n *\n * @method #getSplitParts\n * @param {module:engine/model/element~Element} element\n * @returns {Array.<module:engine/model/element~Element>}\n */\n\n/**\n * Stores information about what parts of the processed view item are still waiting to be handled. After a piece of view item\n * was converted, an appropriate consumable value should be\n * {@link module:engine/conversion/viewconsumable~ViewConsumable#consume consumed}.\n *\n * @member {module:engine/conversion/viewconsumable~ViewConsumable} #consumable\n */\n\n/**\n * Custom data stored by converters for the conversion process. Custom properties of this object can be defined and use to\n * pass parameters between converters.\n *\n * The difference between this property and the `data` parameter of\n * {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element} is that the `data` parameters allow you\n * to pass parameters within a single event and `store` within the whole conversion.\n *\n * @member {Object} #store\n */\n\n/**\n * The model's schema instance.\n *\n * @member {module:engine/model/schema~Schema} #schema\n */\n\n/**\n * The {@link module:engine/model/writer~Writer} instance used to manipulate the data during conversion.\n *\n * @member {module:engine/model/writer~Writer} #writer\n */\n\n/**\n * Conversion data.\n *\n * **Note:** Keep in mind that this object is shared by reference between all conversion callbacks that will be called.\n * This means that callbacks can override values if needed, and these values will be available in other callbacks.\n *\n * @typedef {Object} module:engine/conversion/upcastdispatcher~UpcastConversionData\n *\n * @property {module:engine/view/item~Item} viewItem The converted item.\n * @property {module:engine/model/position~Position} modelCursor The position where the converter should start changes.\n * Change this value for the next converter to tell where the conversion should continue.\n * @property {module:engine/model/range~Range} [modelRange] The current state of conversion result. Every change to\n * the converted element should be reflected by setting or modifying this property.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/dataprocessor/basichtmlwriter\n */\n\n/* globals document */\n\n/**\n * Basic HTML writer. It uses the native `innerHTML` property for basic conversion\n * from a document fragment to an HTML string.\n *\n * @implements module:engine/dataprocessor/htmlwriter~HtmlWriter\n */\nexport default class BasicHtmlWriter {\n\t/**\n\t * Returns an HTML string created from the document fragment.\n\t *\n\t * @param {DocumentFragment} fragment\n\t * @returns {String}\n\t */\n\tgetHtml( fragment ) {\n\t\tconst doc = document.implementation.createHTMLDocument( '' );\n\t\tconst container = doc.createElement( 'div' );\n\t\tcontainer.appendChild( fragment );\n\n\t\treturn container.innerHTML;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/dataprocessor/htmldataprocessor\n */\n\n/* globals document, DOMParser */\n\nimport BasicHtmlWriter from './basichtmlwriter';\nimport DomConverter from '../view/domconverter';\n\n/**\n * The HTML data processor class.\n * This data processor implementation uses HTML as input and output data.\n *\n * @implements module:engine/dataprocessor/dataprocessor~DataProcessor\n */\nexport default class HtmlDataProcessor {\n\t/**\n\t * Creates a new instance of the HTML data processor class.\n\t *\n\t * @param {module:engine/view/document~Document} document The view document instance.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * A DOM parser instance used to parse an HTML string to an HTML document.\n\t\t *\n\t\t * @private\n\t\t * @member {DOMParser}\n\t\t */\n\t\tthis._domParser = new DOMParser();\n\n\t\t/**\n\t\t * A DOM converter used to convert DOM elements to view elements.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/domconverter~DomConverter}\n\t\t */\n\t\tthis._domConverter = new DomConverter( document, { blockFillerMode: 'nbsp' } );\n\n\t\t/**\n\t\t * A basic HTML writer instance used to convert DOM elements to an HTML string.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/dataprocessor/basichtmlwriter~BasicHtmlWriter}\n\t\t */\n\t\tthis._htmlWriter = new BasicHtmlWriter();\n\t}\n\n\t/**\n\t * Converts a provided {@link module:engine/view/documentfragment~DocumentFragment document fragment}\n\t * to data format &mdash; in this case to an HTML string.\n\t *\n\t * @param {module:engine/view/documentfragment~DocumentFragment} viewFragment\n\t * @returns {String} HTML string.\n\t */\n\ttoData( viewFragment ) {\n\t\t// Convert view DocumentFragment to DOM DocumentFragment.\n\t\tconst domFragment = this._domConverter.viewToDom( viewFragment, document );\n\n\t\t// Convert DOM DocumentFragment to HTML output.\n\t\treturn this._htmlWriter.getHtml( domFragment );\n\t}\n\n\t/**\n\t * Converts the provided HTML string to a view tree.\n\t *\n\t * @param {String} data An HTML string.\n\t * @returns {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment|null} A converted view element.\n\t */\n\ttoView( data ) {\n\t\t// Convert input HTML data to DOM DocumentFragment.\n\t\tconst domFragment = this._toDom( data );\n\n\t\t// Convert DOM DocumentFragment to view DocumentFragment.\n\t\treturn this._domConverter.domToView( domFragment );\n\t}\n\n\t/**\n\t * Registers a {@link module:engine/view/matcher~MatcherPattern} for view elements whose content should be treated as raw data\n\t * and not processed during the conversion from the DOM to the view elements.\n\t *\n\t * The raw data can be later accessed by a\n\t * {@link module:engine/view/element~Element#getCustomProperty custom property of a view element} called `\"$rawContent\"`.\n\t *\n\t * @param {module:engine/view/matcher~MatcherPattern} pattern Pattern matching all view elements whose content should\n\t * be treated as raw data.\n\t */\n\tregisterRawContentMatcher( pattern ) {\n\t\tthis._domConverter.registerRawContentMatcher( pattern );\n\t}\n\n\t/**\n\t * Converts an HTML string to its DOM representation. Returns a document fragment containing nodes parsed from\n\t * the provided data.\n\t *\n\t * @private\n\t * @param {String} data\n\t * @returns {DocumentFragment}\n\t */\n\t_toDom( data ) {\n\t\tconst document = this._domParser.parseFromString( data, 'text/html' );\n\t\tconst fragment = document.createDocumentFragment();\n\t\tconst nodes = document.body.childNodes;\n\n\t\twhile ( nodes.length > 0 ) {\n\t\t\tfragment.appendChild( nodes[ 0 ] );\n\t\t}\n\n\t\treturn fragment;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/controller/datacontroller\n */\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\nimport Mapper from '../conversion/mapper';\n\nimport DowncastDispatcher from '../conversion/downcastdispatcher';\nimport { insertText } from '../conversion/downcasthelpers';\n\nimport UpcastDispatcher from '../conversion/upcastdispatcher';\nimport { convertText, convertToModelFragment } from '../conversion/upcasthelpers';\n\nimport ViewDocumentFragment from '../view/documentfragment';\nimport ViewDocument from '../view/document';\nimport ViewDowncastWriter from '../view/downcastwriter';\n\nimport ModelRange from '../model/range';\nimport { autoParagraphEmptyRoots } from '../model/utils/autoparagraphing';\nimport HtmlDataProcessor from '../dataprocessor/htmldataprocessor';\n\n/**\n * Controller for the data pipeline. The data pipeline controls how data is retrieved from the document\n * and set inside it. Hence, the controller features two methods which allow to {@link ~DataController#get get}\n * and {@link ~DataController#set set} data of the {@link ~DataController#model model}\n * using given:\n *\n * * {@link module:engine/dataprocessor/dataprocessor~DataProcessor data processor},\n * * downcast converters,\n * * upcast converters.\n *\n * An instance of the data controller is always available in the {@link module:core/editor/editor~Editor#data `editor.data`}\n * property:\n *\n *\t\teditor.data.get( { rootName: 'customRoot' } ); // -> '<p>Hello!</p>'\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class DataController {\n\t/**\n\t * Creates a data controller instance.\n\t *\n\t * @param {module:engine/model/model~Model} model Data model.\n\t * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor The styles processor instance.\n\t */\n\tconstructor( model, stylesProcessor ) {\n\t\t/**\n\t\t * Data model.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * Mapper used for the conversion. It has no permanent bindings, because they are created when getting data and\n\t\t * cleared directly after the data are converted. However, the mapper is defined as a class property, because\n\t\t * it needs to be passed to the `DowncastDispatcher` as a conversion API.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/mapper~Mapper}\n\t\t */\n\t\tthis.mapper = new Mapper();\n\n\t\t/**\n\t\t * Downcast dispatcher used by the {@link #get get method}. Downcast converters should be attached to it.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/downcastdispatcher~DowncastDispatcher}\n\t\t */\n\t\tthis.downcastDispatcher = new DowncastDispatcher( {\n\t\t\tmapper: this.mapper,\n\t\t\tschema: model.schema\n\t\t} );\n\t\tthis.downcastDispatcher.on( 'insert:$text', insertText(), { priority: 'lowest' } );\n\n\t\t/**\n\t\t * Upcast dispatcher used by the {@link #set set method}. Upcast converters should be attached to it.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/upcastdispatcher~UpcastDispatcher}\n\t\t */\n\t\tthis.upcastDispatcher = new UpcastDispatcher( {\n\t\t\tschema: model.schema\n\t\t} );\n\n\t\t/**\n\t\t * The view document used by the data controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document}\n\t\t */\n\t\tthis.viewDocument = new ViewDocument( stylesProcessor );\n\n\t\t/**\n\t\t * Styles processor used during the conversion.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/stylesmap~StylesProcessor}\n\t\t */\n\t\tthis.stylesProcessor = stylesProcessor;\n\n\t\t/**\n\t\t * Data processor used specifically for HTML conversion.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/dataprocessor/htmldataprocessor~HtmlDataProcessor} #htmlProcessor\n\t\t */\n\t\tthis.htmlProcessor = new HtmlDataProcessor( this.viewDocument );\n\n\t\t/**\n\t\t * Data processor used during the conversion.\n\t\t * Same instance as {@link #htmlProcessor} by default. Can be replaced at run time to handle different format, e.g. XML or Markdown.\n\t\t *\n\t\t * @member {module:engine/dataprocessor/dataprocessor~DataProcessor} #processor\n\t\t */\n\t\tthis.processor = this.htmlProcessor;\n\n\t\t/**\n\t\t * The view downcast writer just for data conversion purposes, i.e. to modify\n\t\t * the {@link #viewDocument}.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @member {module:engine/view/downcastwriter~DowncastWriter}\n\t\t */\n\t\tthis._viewWriter = new ViewDowncastWriter( this.viewDocument );\n\n\t\t// Define default converters for text and elements.\n\t\t//\n\t\t// Note that if there is no default converter for the element it will be skipped, for instance `<b>foo</b>` will be\n\t\t// converted to nothing. We therefore add `convertToModelFragment` as a last converter so it converts children of that\n\t\t// element to the document fragment and so `<b>foo</b>` will be converted to `foo` if there is no converter for `<b>`.\n\t\tthis.upcastDispatcher.on( 'text', convertText(), { priority: 'lowest' } );\n\t\tthis.upcastDispatcher.on( 'element', convertToModelFragment(), { priority: 'lowest' } );\n\t\tthis.upcastDispatcher.on( 'documentFragment', convertToModelFragment(), { priority: 'lowest' } );\n\n\t\tthis.decorate( 'init' );\n\t\tthis.decorate( 'set' );\n\n\t\t// Fire the `ready` event when the initialization has completed. Such low-level listener gives possibility\n\t\t// to plug into the initialization pipeline without interrupting the initialization flow.\n\t\tthis.on( 'init', () => {\n\t\t\tthis.fire( 'ready' );\n\t\t}, { priority: 'lowest' } );\n\n\t\t// Fix empty roots after DataController is 'ready' (note that init method could be decorated and stopped).\n\t\t// We need to handle this event because initial data could be empty and post-fixer would not get triggered.\n\t\tthis.on( 'ready', () => {\n\t\t\tthis.model.enqueueChange( 'transparent', autoParagraphEmptyRoots );\n\t\t}, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * Returns the model's data converted by downcast dispatchers attached to {@link #downcastDispatcher} and\n\t * formatted by the {@link #processor data processor}.\n\t *\n\t * @param {Object} [options] Additional configuration for the retrieved data. `DataController` provides two optional\n\t * properties: `rootName` and `trim`. Other properties of this object are specified by various editor features.\n\t * @param {String} [options.rootName='main'] Root name.\n\t * @param {String} [options.trim='empty'] Whether returned data should be trimmed. This option is set to `empty` by default,\n\t * which means whenever editor content is considered empty, an empty string will be returned. To turn off trimming completely\n\t * use `'none'`. In such cases exact content will be returned (for example `<p>&nbsp;</p>` for an empty editor).\n\t * @returns {String} Output data.\n\t */\n\tget( options = {} ) {\n\t\tconst { rootName = 'main', trim = 'empty' } = options;\n\n\t\tif ( !this._checkIfRootsExists( [ rootName ] ) ) {\n\t\t\t/**\n\t\t\t * Cannot get data from a non-existing root. This error is thrown when {@link #get DataController#get() method}\n\t\t\t * is called with non-existent root name. For example, if there is an editor instance with only `main` root,\n\t\t\t * calling {@link #get} like:\n\t\t\t *\n\t\t\t *\t\tdata.get( { rootName: 'root2' } );\n\t\t\t *\n\t\t\t * will throw this error.\n\t\t\t *\n\t\t\t * @error datacontroller-get-non-existent-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'datacontroller-get-non-existent-root', this );\n\t\t}\n\n\t\tconst root = this.model.document.getRoot( rootName );\n\n\t\tif ( trim === 'empty' && !this.model.hasContent( root, { ignoreWhitespaces: true } ) ) {\n\t\t\treturn '';\n\t\t}\n\n\t\treturn this.stringify( root, options );\n\t}\n\n\t/**\n\t * Returns the content of the given {@link module:engine/model/element~Element model's element} or\n\t * {@link module:engine/model/documentfragment~DocumentFragment model document fragment} converted by the downcast converters\n\t * attached to {@link #downcastDispatcher} and formatted by the {@link #processor data processor}.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} modelElementOrFragment\n\t * Element whose content will be stringified.\n\t * @param {Object} [options] Additional configuration passed to the conversion process.\n\t * @returns {String} Output data.\n\t */\n\tstringify( modelElementOrFragment, options ) {\n\t\t// Model -> view.\n\t\tconst viewDocumentFragment = this.toView( modelElementOrFragment, options );\n\n\t\t// View -> data.\n\t\treturn this.processor.toData( viewDocumentFragment );\n\t}\n\n\t/**\n\t * Returns the content of the given {@link module:engine/model/element~Element model element} or\n\t * {@link module:engine/model/documentfragment~DocumentFragment model document fragment} converted by the downcast\n\t * converters attached to {@link #downcastDispatcher} to a\n\t * {@link module:engine/view/documentfragment~DocumentFragment view document fragment}.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} modelElementOrFragment\n\t * Element or document fragment whose content will be converted.\n\t * @param {Object} [options] Additional configuration that will be available through\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi#options} during the conversion process.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} Output view DocumentFragment.\n\t */\n\ttoView( modelElementOrFragment, options ) {\n\t\tconst viewDocument = this.viewDocument;\n\t\tconst viewWriter = this._viewWriter;\n\n\t\t// Clear bindings so the call to this method gives correct results.\n\t\tthis.mapper.clearBindings();\n\n\t\t// First, convert elements.\n\t\tconst modelRange = ModelRange._createIn( modelElementOrFragment );\n\t\tconst viewDocumentFragment = new ViewDocumentFragment( viewDocument );\n\n\t\tthis.mapper.bindElements( modelElementOrFragment, viewDocumentFragment );\n\n\t\t// Make additional options available during conversion process through `conversionApi`.\n\t\tthis.downcastDispatcher.conversionApi.options = options;\n\n\t\t// We have no view controller and rendering to DOM in DataController so view.change() block is not used here.\n\t\tthis.downcastDispatcher.convertInsert( modelRange, viewWriter );\n\n\t\tif ( !modelElementOrFragment.is( 'documentFragment' ) ) {\n\t\t\t// Then, if a document element is converted, convert markers.\n\t\t\t// From all document markers, get those, which \"intersect\" with the converter element.\n\t\t\tconst markers = _getMarkersRelativeToElement( modelElementOrFragment );\n\n\t\t\tfor ( const [ name, range ] of markers ) {\n\t\t\t\tthis.downcastDispatcher.convertMarkerAdd( name, range, viewWriter );\n\t\t\t}\n\t\t}\n\n\t\t// Clean `conversionApi`.\n\t\tdelete this.downcastDispatcher.conversionApi.options;\n\n\t\treturn viewDocumentFragment;\n\t}\n\n\t/**\n\t * Sets initial input data parsed by the {@link #processor data processor} and\n\t * converted by the {@link #upcastDispatcher view-to-model converters}.\n\t * Initial data can be set only to document that {@link module:engine/model/document~Document#version} is equal 0.\n\t *\n\t * **Note** This method is {@link module:utils/observablemixin~ObservableMixin#decorate decorated} which is\n\t * used by e.g. collaborative editing plugin that syncs remote data on init.\n\t *\n\t * When data is passed as a string it is initialized on a default `main` root:\n\t *\n\t *\t\tdataController.init( '<p>Foo</p>' ); // Initializes data on the `main` root.\n\t *\n\t * To initialize data on a different root or multiple roots at once, object containing `rootName` - `data` pairs should be passed:\n\t *\n\t *\t\tdataController.init( { main: '<p>Foo</p>', title: '<h1>Bar</h1>' } ); // Initializes data on the `main` and `title` roots.\n\t *\n\t * @fires init\n\t * @param {String|Object.<String,String>} data Input data as a string or an object containing `rootName` - `data`\n\t * pairs to initialize data on multiple roots at once.\n\t * @returns {Promise} Promise that is resolved after the data is set on the editor.\n\t */\n\tinit( data ) {\n\t\tif ( this.model.document.version ) {\n\t\t\t/**\n\t\t\t * Cannot set initial data to not empty {@link module:engine/model/document~Document}.\n\t\t\t * Initial data should be set once, during {@link module:core/editor/editor~Editor} initialization,\n\t\t\t * when the {@link module:engine/model/document~Document#version} is equal 0.\n\t\t\t *\n\t\t\t * @error datacontroller-init-document-not-empty\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'datacontroller-init-document-not-empty', this );\n\t\t}\n\n\t\tlet initialData = {};\n\t\tif ( typeof data === 'string' ) {\n\t\t\tinitialData.main = data; // Default root is 'main'. To initiate data on a different root, object should be passed.\n\t\t} else {\n\t\t\tinitialData = data;\n\t\t}\n\n\t\tif ( !this._checkIfRootsExists( Object.keys( initialData ) ) ) {\n\t\t\t/**\n\t\t\t * Cannot init data on a non-existing root. This error is thrown when {@link #init DataController#init() method}\n\t\t\t * is called with non-existent root name. For example, if there is an editor instance with only `main` root,\n\t\t\t * calling {@link #init} like:\n\t\t\t *\n\t\t\t * \t\tdata.init( { main: '<p>Foo</p>', root2: '<p>Bar</p>' } );\n\t\t\t *\n\t\t\t * will throw this error.\n\t\t\t *\n\t\t\t * @error datacontroller-init-non-existent-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'datacontroller-init-non-existent-root', this );\n\t\t}\n\n\t\tthis.model.enqueueChange( 'transparent', writer => {\n\t\t\tfor ( const rootName of Object.keys( initialData ) ) {\n\t\t\t\tconst modelRoot = this.model.document.getRoot( rootName );\n\t\t\t\twriter.insert( this.parse( initialData[ rootName ], modelRoot ), modelRoot, 0 );\n\t\t\t}\n\t\t} );\n\n\t\treturn Promise.resolve();\n\t}\n\n\t/**\n\t * Sets input data parsed by the {@link #processor data processor} and\n\t * converted by the {@link #upcastDispatcher view-to-model converters}.\n\t * This method can be used any time to replace existing editor data by the new one without clearing the\n\t * {@link module:engine/model/document~Document#history document history}.\n\t *\n\t * This method also creates a batch with all the changes applied. If all you need is to parse data, use\n\t * the {@link #parse} method.\n\t *\n\t * When data is passed as a string it is set on a default `main` root:\n\t *\n\t *\t\tdataController.set( '<p>Foo</p>' ); // Sets data on the `main` root.\n\t *\n\t * To set data on a different root or multiple roots at once, object containing `rootName` - `data` pairs should be passed:\n\t *\n\t *\t\tdataController.set( { main: '<p>Foo</p>', title: '<h1>Bar</h1>' } ); // Sets data on the `main` and `title` roots.\n\t *\n\t * @fires set\n\t * @param {String|Object.<String,String>} data Input data as a string or an object containing `rootName` - `data`\n\t * pairs to set data on multiple roots at once.\n\t */\n\tset( data ) {\n\t\tlet newData = {};\n\n\t\tif ( typeof data === 'string' ) {\n\t\t\tnewData.main = data; // Default root is 'main'. To set data on a different root, object should be passed.\n\t\t} else {\n\t\t\tnewData = data;\n\t\t}\n\n\t\tif ( !this._checkIfRootsExists( Object.keys( newData ) ) ) {\n\t\t\t/**\n\t\t\t * Cannot set data on a non-existing root. This error is thrown when {@link #set DataController#set() method}\n\t\t\t * is called with non-existent root name. For example, if there is an editor instance with only `main` root,\n\t\t\t * calling {@link #set} like:\n\t\t\t *\n\t\t\t * \t\tdata.set( { main: '<p>Foo</p>', root2: '<p>Bar</p>' } );\n\t\t\t *\n\t\t\t * will throw this error.\n\t\t\t *\n\t\t\t * @error datacontroller-set-non-existent-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'datacontroller-set-non-existent-root', this );\n\t\t}\n\n\t\tthis.model.enqueueChange( 'transparent', writer => {\n\t\t\twriter.setSelection( null );\n\t\t\twriter.removeSelectionAttribute( this.model.document.selection.getAttributeKeys() );\n\n\t\t\tfor ( const rootName of Object.keys( newData ) ) {\n\t\t\t\t// Save to model.\n\t\t\t\tconst modelRoot = this.model.document.getRoot( rootName );\n\n\t\t\t\twriter.remove( writer.createRangeIn( modelRoot ) );\n\t\t\t\twriter.insert( this.parse( newData[ rootName ], modelRoot ), modelRoot, 0 );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the data parsed by the {@link #processor data processor} and then converted by upcast converters\n\t * attached to the {@link #upcastDispatcher}.\n\t *\n\t * @see #set\n\t * @param {String} data Data to parse.\n\t * @param {module:engine/model/schema~SchemaContextDefinition} [context='$root'] Base context in which the view will\n\t * be converted to the model. See: {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher#convert}.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} Parsed data.\n\t */\n\tparse( data, context = '$root' ) {\n\t\t// data -> view\n\t\tconst viewDocumentFragment = this.processor.toView( data );\n\n\t\t// view -> model\n\t\treturn this.toModel( viewDocumentFragment, context );\n\t}\n\n\t/**\n\t * Returns the result of the given {@link module:engine/view/element~Element view element} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment view document fragment} converted by the\n\t * {@link #upcastDispatcher view-to-model converters}, wrapped by {@link module:engine/model/documentfragment~DocumentFragment}.\n\t *\n\t * When marker elements were converted during the conversion process, it will be set as a document fragment's\n\t * {@link module:engine/model/documentfragment~DocumentFragment#markers static markers map}.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} viewElementOrFragment\n\t * Element or document fragment whose content will be converted.\n\t * @param {module:engine/model/schema~SchemaContextDefinition} [context='$root'] Base context in which the view will\n\t * be converted to the model. See: {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher#convert}.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} Output document fragment.\n\t */\n\ttoModel( viewElementOrFragment, context = '$root' ) {\n\t\treturn this.model.change( writer => {\n\t\t\treturn this.upcastDispatcher.convert( viewElementOrFragment, writer, context );\n\t\t} );\n\t}\n\n\t/**\n\t * Adds a style processor normalization rules.\n\t *\n\t * You can implement your own rules as well as use one of the available processor rules:\n\t *\n\t * * background: {@link module:engine/view/styles/background~addBackgroundRules}\n\t * * border: {@link module:engine/view/styles/border~addBorderRules}\n\t * * margin: {@link module:engine/view/styles/margin~addMarginRules}\n\t * * padding: {@link module:engine/view/styles/padding~addPaddingRules}\n\t *\n\t * @param {Function} callback\n\t */\n\taddStyleProcessorRules( callback ) {\n\t\tcallback( this.stylesProcessor );\n\t}\n\n\t/**\n\t * Registers a {@link module:engine/view/matcher~MatcherPattern} on {@link #htmlProcessor htmlProcessor}\n\t * and {@link #processor processor} for view elements whose content should be treated as a raw data\n\t * and not processed during conversion from DOM to view elements.\n\t *\n\t * The raw data can be later accessed by {@link module:engine/view/element~Element#getCustomProperty view element custom property}\n\t * `\"$rawContent\"`.\n\t *\n\t * @param {module:engine/view/matcher~MatcherPattern} pattern Pattern matching all view elements whose content should\n\t * be treated as a raw data.\n\t */\n\tregisterRawContentMatcher( pattern ) {\n\t\t// No need to register the pattern if both `htmlProcessor` and `processor` are the same instances.\n\t\tif ( this.processor && this.processor !== this.htmlProcessor ) {\n\t\t\tthis.processor.registerRawContentMatcher( pattern );\n\t\t}\n\n\t\tthis.htmlProcessor.registerRawContentMatcher( pattern );\n\t}\n\n\t/**\n\t * Removes all event listeners set by the DataController.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Checks if all provided root names are existing editor roots.\n\t *\n\t * @private\n\t * @param {Array.<String>} rootNames Root names to check.\n\t * @returns {Boolean} Whether all provided root names are existing editor roots.\n\t */\n\t_checkIfRootsExists( rootNames ) {\n\t\tfor ( const rootName of rootNames ) {\n\t\t\tif ( !this.model.document.getRootNames().includes( rootName ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Event fired once the data initialization has finished.\n\t *\n\t * @event ready\n\t */\n\n\t/**\n\t * Event fired after the {@link #init `init()` method} was run. It can be {@link #listenTo listened to} in order to adjust or modify\n\t * the initialization flow. However, if the `init` event is stopped or prevented, the {@link #event:ready `ready` event}\n\t * should be fired manually.\n\t *\n\t * The `init` event is fired by the decorated {@link #init} method.\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * @event init\n\t */\n\n\t/**\n\t * Event fired after {@link #set set() method} has been run.\n\t *\n\t * The `set` event is fired by decorated {@link #set} method.\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * @event set\n\t */\n}\n\nmix( DataController, ObservableMixin );\n\n// Helper function for downcast conversion.\n//\n// Takes a document element (element that is added to a model document) and checks which markers are inside it\n// and which markers are containing it. If the marker is intersecting with element, the intersection is returned.\nfunction _getMarkersRelativeToElement( element ) {\n\tconst result = [];\n\tconst doc = element.root.document;\n\n\tif ( !doc ) {\n\t\treturn [];\n\t}\n\n\tconst elementRange = ModelRange._createIn( element );\n\n\tfor ( const marker of doc.model.markers ) {\n\t\tconst intersection = elementRange.getIntersection( marker.getRange() );\n\n\t\tif ( intersection ) {\n\t\t\tresult.push( [ marker.name, intersection ] );\n\t\t}\n\t}\n\n\treturn result;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/conversion\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport UpcastHelpers from './upcasthelpers';\nimport DowncastHelpers from './downcasthelpers';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\n/**\n * A utility class that helps add converters to upcast and downcast dispatchers.\n *\n * We recommend reading the {@glink framework/guides/architecture/editing-engine Editing engine architecture} guide first to\n * understand the core concepts of the conversion mechanisms.\n *\n * An instance of the conversion manager is available in the\n * {@link module:core/editor/editor~Editor#conversion `editor.conversion`} property\n * and by default has the following groups of dispatchers (i.e. directions of conversion):\n *\n * * `downcast` (editing and data downcasts)\n * * `editingDowncast`\n * * `dataDowncast`\n * * `upcast`\n *\n * # One-way converters\n *\n * To add a converter to a specific group, use the {@link module:engine/conversion/conversion~Conversion#for `for()`}\n * method:\n *\n *\t\t// Add a converter to editing downcast and data downcast.\n *\t\teditor.conversion.for( 'downcast' ).elementToElement( config ) );\n *\n *\t\t// Add a converter to the data pipepline only:\n *\t\teditor.conversion.for( 'dataDowncast' ).elementToElement( dataConversionConfig ) );\n *\n *\t\t// And a slightly different one for the editing pipeline:\n *\t\teditor.conversion.for( 'editingDowncast' ).elementToElement( editingConversionConfig ) );\n *\n * See {@link module:engine/conversion/conversion~Conversion#for `for()`} method documentation to learn more about\n * available conversion helpers and how to use your custom ones.\n *\n * # Two-way converters\n *\n * Besides using one-way converters via the `for()` method, you can also use other methods available in this\n * class to add two-way converters (upcast and downcast):\n *\n * * {@link module:engine/conversion/conversion~Conversion#elementToElement `elementToElement()`} &ndash;\n * Model element to view element and vice versa.\n * * {@link module:engine/conversion/conversion~Conversion#attributeToElement `attributeToElement()`} &ndash;\n * Model attribute to view element and vice versa.\n * * {@link module:engine/conversion/conversion~Conversion#attributeToAttribute `attributeToAttribute()`} &ndash;\n * Model attribute to view element and vice versa.\n */\nexport default class Conversion {\n\t/**\n\t * Creates a new conversion instance.\n\t *\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastDispatcher|\n\t * Array.<module:engine/conversion/downcastdispatcher~DowncastDispatcher>} downcastDispatchers\n\t * @param {module:engine/conversion/upcastdispatcher~UpcastDispatcher|\n\t * Array.<module:engine/conversion/upcastdispatcher~UpcastDispatcher>} upcastDispatchers\n\t */\n\tconstructor( downcastDispatchers, upcastDispatchers ) {\n\t\t/**\n\t\t * Maps dispatchers group name to ConversionHelpers instances.\n\t\t *\n\t\t * @private\n\t\t * @member {Map.<String,module:engine/conversion/conversionhelpers~ConversionHelpers>}\n\t\t */\n\t\tthis._helpers = new Map();\n\n\t\t// Define default 'downcast' & 'upcast' dispatchers groups. Those groups are always available as two-way converters needs them.\n\t\tthis._downcast = toArray( downcastDispatchers );\n\t\tthis._createConversionHelpers( { name: 'downcast', dispatchers: this._downcast, isDowncast: true } );\n\n\t\tthis._upcast = toArray( upcastDispatchers );\n\t\tthis._createConversionHelpers( { name: 'upcast', dispatchers: this._upcast, isDowncast: false } );\n\t}\n\n\t/**\n\t * Define an alias for registered dispatcher.\n\t *\n\t *\t\tconst conversion = new Conversion(\n\t *\t\t\t[ dataDowncastDispatcher, editingDowncastDispatcher ],\n\t *\t\t\tupcastDispatcher\n\t *\t\t);\n\t *\n\t *\t\tconversion.addAlias( 'dataDowncast', dataDowncastDispatcher );\n\t *\n\t * @param {String} alias An alias of a dispatcher.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastDispatcher|\n\t * module:engine/conversion/upcastdispatcher~UpcastDispatcher} dispatcher Dispatcher which should have an alias.\n\t */\n\taddAlias( alias, dispatcher ) {\n\t\tconst isDowncast = this._downcast.includes( dispatcher );\n\t\tconst isUpcast = this._upcast.includes( dispatcher );\n\n\t\tif ( !isUpcast && !isDowncast ) {\n\t\t\t/**\n\t\t\t * Trying to register and alias for a dispatcher that nas not been registered.\n\t\t\t *\n\t\t\t * @error conversion-add-alias-dispatcher-not-registered\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'conversion-add-alias-dispatcher-not-registered',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tthis._createConversionHelpers( { name: alias, dispatchers: [ dispatcher ], isDowncast } );\n\t}\n\n\t/**\n\t * Provides a chainable API to assign converters to conversion dispatchers group.\n\t *\n\t * If the given group name has not been registered, the\n\t * {@link module:utils/ckeditorerror~CKEditorError `conversion-for-unknown-group` error} is thrown.\n\t *\n\t * You can use conversion helpers available directly in the `for()` chain or your custom ones via\n\t * the {@link module:engine/conversion/conversionhelpers~ConversionHelpers#add `add()`} method.\n\t *\n\t * # Using bulit-in conversion helpers\n\t *\n\t * The `for()` chain comes with a set of conversion helpers which you can use like this:\n\t *\n\t *\t\teditor.conversion.for( 'downcast' )\n\t *\t\t\t.elementToElement( config1 )        // Adds an element-to-element downcast converter.\n\t *\t\t\t.attributeToElement( config2 );     // Adds an attribute-to-element downcast converter.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' )\n\t *\t\t\t.elementToAttribute( config3 );     // Adds an element-to-attribute upcast converter.\n\t *\n\t * Refer to the documentation of built-in conversion helpers to learn about their configuration options.\n\t *\n\t * * downcast (model-to-view) conversion helpers:\n\t *\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`},\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#attributeToElement `attributeToElement()`},\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#attributeToAttribute `attributeToAttribute()`}.\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToElement `markerToElement()`}.\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToHighlight `markerToHighlight()`}.\n\t *\n\t * * upcast (view-to-model) conversion helpers:\n\t *\n\t *\t* {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToElement `elementToElement()`},\n\t *\t* {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToAttribute `elementToAttribute()`},\n\t *\t* {@link module:engine/conversion/upcasthelpers~UpcastHelpers#attributeToAttribute `attributeToAttribute()`}.\n\t *\t* {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToMarker `elementToMarker()`}.\n\t *\n\t * # Using custom conversion helpers\n\t *\n\t * If you need to implement a nontypical converter, you can do so by calling:\n\t *\n\t *\t\teditor.conversion.for( direction ).add( customHelper );\n\t *\n\t * The `.add()` method takes exactly one parameter, which is a function. This function should accept one parameter that\n\t * is a dispatcher instance. The function should add an actual converter to the passed dispatcher instance.\n\t *\n\t * Example:\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).add( dispatcher => {\n\t *\t\t\tdispatcher.on( 'element:a',  ( evt, data, conversionApi ) => {\n\t *\t\t\t\t// Do something with a view <a> element.\n\t *\t\t\t} );\n\t *\t\t} );\n\t *\n\t * Refer to the documentation of {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher}\n\t * and {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher} to learn how to write\n\t * custom converters.\n\t *\n\t * @param {String} groupName The name of dispatchers group to add the converters to.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers|module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\tfor( groupName ) {\n\t\tif ( !this._helpers.has( groupName ) ) {\n\t\t\t/**\n\t\t\t * Trying to add a converter to an unknown dispatchers group.\n\t\t\t *\n\t\t\t * @error conversion-for-unknown-group\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'conversion-for-unknown-group', this );\n\t\t}\n\n\t\treturn this._helpers.get( groupName );\n\t}\n\n\t/**\n\t * Sets up converters between the model and the view that convert a model element to a view element (and vice versa).\n\t * For example, the model `<paragraph>Foo</paragraph>` is `<p>Foo</p>` in the view.\n\t *\n\t *\t\t// A simple conversion from the `paragraph` model element to the `<p>` view element (and vice versa).\n\t *\t\teditor.conversion.elementToElement( { model: 'paragraph', view: 'p' } );\n\t *\n\t *\t\t// Override other converters by specifying a converter definition with a higher priority.\n\t *\t\teditor.conversion.elementToElement( { model: 'paragraph', view: 'div', converterPriority: 'high' } );\n\t *\n\t *\t\t// View specified as an object instead of a string.\n\t *\t\teditor.conversion.elementToElement( {\n\t *\t\t\tmodel: 'fancyParagraph',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'p',\n\t *\t\t\t\tclasses: 'fancy'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Use `upcastAlso` to define other view elements that should also be converted to a `paragraph` element.\n\t *\t\teditor.conversion.elementToElement( {\n\t *\t\t\tmodel: 'paragraph',\n\t *\t\t\tview: 'p',\n\t *\t\t\tupcastAlso: [\n\t *\t\t\t\t'div',\n\t *\t\t\t\t{\n\t *\t\t\t\t\t// Any element with the `display: block` style.\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\tdisplay: 'block'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t *\t\t// `upcastAlso` set as callback enables a conversion of a wide range of different view elements.\n\t *\t\teditor.conversion.elementToElement( {\n\t *\t\t\tmodel: 'heading',\n\t *\t\t\tview: 'h2',\n\t *\t\t\t// Convert \"headling-like\" paragraphs to headings.\n\t *\t\t\tupcastAlso: viewElement => {\n\t *\t\t\t\tconst fontSize = viewElement.getStyle( 'font-size' );\n\t *\n\t *\t\t\t\tif ( !fontSize ) {\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t}\n\t *\n\t *\t\t\t\tconst match = fontSize.match( /(\\d+)\\s*px/ );\n\t *\n\t *\t\t\t\tif ( !match ) {\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t}\n\t *\n\t *\t\t\t\tconst size = Number( match[ 1 ] );\n\t *\n\t *\t\t\t\tif ( size > 26 ) {\n\t *\t\t\t\t\t// Returned value can be an object with the matched properties.\n\t *\t\t\t\t\t// These properties will be \"consumed\" during the conversion.\n\t *\t\t\t\t\t// See `engine.view.Matcher~MatcherPattern` and `engine.view.Matcher#match` for more details.\n\t *\n\t *\t\t\t\t\treturn { name: true, styles: [ 'font-size' ] };\n\t *\t\t\t\t}\n\t *\n\t *\t\t\t\treturn null;\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * `definition.model` is a `String` with a model element name to convert from or to.\n\t * See {@link module:engine/conversion/conversion~ConverterDefinition} to learn about other parameters.\n\t *\n\t * @param {module:engine/conversion/conversion~ConverterDefinition} definition The converter definition.\n\t */\n\telementToElement( definition ) {\n\t\t// Set up downcast converter.\n\t\tthis.for( 'downcast' ).elementToElement( definition );\n\n\t\t// Set up upcast converter.\n\t\tfor ( const { model, view } of _getAllUpcastDefinitions( definition ) ) {\n\t\t\tthis.for( 'upcast' )\n\t\t\t\t.elementToElement( {\n\t\t\t\t\tmodel,\n\t\t\t\t\tview,\n\t\t\t\t\tconverterPriority: definition.converterPriority\n\t\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Sets up converters between the model and the view that convert a model attribute to a view element (and vice versa).\n\t * For example, a model text node with `\"Foo\"` as data and the `bold` attribute is `<strong>Foo</strong>` in the view.\n\t *\n\t *\t\t// A simple conversion from the `bold=true` attribute to the `<strong>` view element (and vice versa).\n\t *\t\teditor.conversion.attributeToElement( { model: 'bold', view: 'strong' } );\n\t *\n\t *\t\t// Override other converters by specifying a converter definition with a higher priority.\n\t *\t\teditor.conversion.attributeToElement( { model: 'bold', view: 'b', converterPriority: 'high' } );\n\t *\n\t *\t\t// View specified as an object instead of a string.\n\t *\t\teditor.conversion.attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tclasses: 'bold'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Use `config.model.name` to define the conversion only from a given node type, `$text` in this case.\n\t *\t\t// The same attribute on different elements may then be handled by a different converter.\n\t *\t\teditor.conversion.attributeToElement( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'textDecoration',\n\t *\t\t\t\tvalues: [ 'underline', 'lineThrough' ],\n\t *\t\t\t\tname: '$text'\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tunderline: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'text-decoration': 'underline'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tlineThrough: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'text-decoration': 'line-through'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Use `upcastAlso` to define other view elements that should also be converted to the `bold` attribute.\n\t *\t\teditor.conversion.attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: 'strong',\n\t *\t\t\tupcastAlso: [\n\t *\t\t\t\t'b',\n\t *\t\t\t\t{\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tclasses: 'bold'\n\t *\t\t\t\t},\n\t *\t\t\t\t{\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-weight': 'bold'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tviewElement => {\n\t *\t\t\t\t\tconst fontWeight = viewElement.getStyle( 'font-weight' );\n\t *\n\t *\t\t\t\t\tif ( viewElement.is( 'element', 'span' ) && fontWeight && /\\d+/.test() && Number( fontWeight ) > 500 ) {\n\t *\t\t\t\t\t\t// Returned value can be an object with the matched properties.\n\t *\t\t\t\t\t\t// These properties will be \"consumed\" during the conversion.\n\t *\t\t\t\t\t\t// See `engine.view.Matcher~MatcherPattern` and `engine.view.Matcher#match` for more details.\n\t *\n\t *\t\t\t\t\t\treturn {\n\t *\t\t\t\t\t\t\tname: true,\n\t *\t\t\t\t\t\t\tstyles: [ 'font-weight' ]\n\t *\t\t\t\t\t\t};\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t *\t\t// Conversion from and to a model attribute key whose value is an enum (`fontSize=big|small`).\n\t *\t\t// `upcastAlso` set as callback enables a conversion of a wide range of different view elements.\n\t *\t\teditor.conversion.attributeToElement( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'fontSize',\n\t *\t\t\t\tvalues: [ 'big', 'small' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tbig: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-size': '1.2em'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tsmall: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-size': '0.8em'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tupcastAlso: {\n\t *\t\t\t\tbig: viewElement => {\n\t *\t\t\t\t\tconst fontSize = viewElement.getStyle( 'font-size' );\n\t *\n\t *\t\t\t\t\tif ( !fontSize ) {\n\t *\t\t\t\t\t\treturn null;\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\tconst match = fontSize.match( /(\\d+)\\s*px/ );\n\t *\n\t *\t\t\t\t\tif ( !match ) {\n\t *\t\t\t\t\t\treturn null;\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\tconst size = Number( match[ 1 ] );\n\t *\n\t *\t\t\t\t\tif ( viewElement.is( 'element', 'span' ) && size > 10 ) {\n\t *\t\t\t\t\t\t// Returned value can be an object with the matched properties.\n\t *\t\t\t\t\t\t// These properties will be \"consumed\" during the conversion.\n\t *\t\t\t\t\t\t// See `engine.view.Matcher~MatcherPattern` and `engine.view.Matcher#match` for more details.\n\t *\n\t *\t\t\t\t\t\treturn { name: true, styles: [ 'font-size' ] };\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t},\n\t *\t\t\t\tsmall: viewElement => {\n\t *\t\t\t\t\tconst fontSize = viewElement.getStyle( 'font-size' );\n\t *\n\t *\t\t\t\t\tif ( !fontSize ) {\n\t *\t\t\t\t\t\treturn null;\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\tconst match = fontSize.match( /(\\d+)\\s*px/ );\n\t *\n\t *\t\t\t\t\tif ( !match ) {\n\t *\t\t\t\t\t\treturn null;\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\tconst size = Number( match[ 1 ] );\n\t *\n\t *\t\t\t\t\tif ( viewElement.is( 'element', 'span' ) && size < 10 ) {\n\t *\t\t\t\t\t\t// Returned value can be an object with the matched properties.\n\t *\t\t\t\t\t\t// These properties will be \"consumed\" during the conversion.\n\t *\t\t\t\t\t\t// See `engine.view.Matcher~MatcherPattern` and `engine.view.Matcher#match` for more details.\n\t *\n\t *\t\t\t\t\t\treturn { name: true, styles: [ 'font-size' ] };\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * The `definition.model` parameter specifies which model attribute should be converted from or to. It can be a `{ key, value }` object\n\t * describing the attribute key and value to convert or a `String` specifying just the attribute key (then `value` is set to `true`).\n\t * See {@link module:engine/conversion/conversion~ConverterDefinition} to learn about other parameters.\n\t *\n\t * @param {module:engine/conversion/conversion~ConverterDefinition} definition The converter definition.\n\t */\n\tattributeToElement( definition ) {\n\t\t// Set up downcast converter.\n\t\tthis.for( 'downcast' ).attributeToElement( definition );\n\n\t\t// Set up upcast converter.\n\t\tfor ( const { model, view } of _getAllUpcastDefinitions( definition ) ) {\n\t\t\tthis.for( 'upcast' )\n\t\t\t\t.elementToAttribute( {\n\t\t\t\t\tview,\n\t\t\t\t\tmodel,\n\t\t\t\t\tconverterPriority: definition.converterPriority\n\t\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Sets up converters between the model and the view that convert a model attribute to a view attribute (and vice versa).\n\t * For example, `<image src='foo.jpg'></image>` is converted to `<img src='foo.jpg'></img>` (the same attribute key and value).\n\t * This type of converters is intended to be used with {@link module:engine/model/element~Element model element} nodes.\n\t * To convert text attributes {@link module:engine/conversion/conversion~Conversion#attributeToElement `attributeToElement converter`}\n\t * should be set up.\n\t *\n\t *\t\t// A simple conversion from the `source` model attribute to the `src` view attribute (and vice versa).\n\t *\t\teditor.conversion.attributeToAttribute( { model: 'source', view: 'src' } );\n\t *\n\t *\t\t// Attribute values are strictly specified.\n\t *\t\teditor.conversion.attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tname: 'image',\n\t *\t\t\t\tkey: 'aside',\n\t *\t\t\t\tvalues: [ 'aside' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\taside: {\n\t *\t\t\t\t\tname: 'img',\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: [ 'aside', 'half-size' ]\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Set the style attribute.\n\t *\t\teditor.conversion.attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tname: 'image',\n\t *\t\t\t\tkey: 'aside',\n\t *\t\t\t\tvalues: [ 'aside' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\taside: {\n\t *\t\t\t\t\tname: 'img',\n\t *\t\t\t\t\tkey: 'style',\n\t *\t\t\t\t\tvalue: {\n\t *\t\t\t\t\t\tfloat: 'right',\n\t *\t\t\t\t\t\twidth: '50%',\n\t *\t\t\t\t\t\tmargin: '5px'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Conversion from and to a model attribute key whose value is an enum (`align=right|center`).\n\t *\t\t// Use `upcastAlso` to define other view elements that should also be converted to the `align=right` attribute.\n\t *\t\teditor.conversion.attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'align',\n\t *\t\t\t\tvalues: [ 'right', 'center' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tright: {\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: 'align-right'\n\t *\t\t\t\t},\n\t *\t\t\t\tcenter: {\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: 'align-center'\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tupcastAlso: {\n\t *\t\t\t\tright: {\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'text-align': 'right'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tcenter: {\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'text-align': 'center'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * The `definition.model` parameter specifies which model attribute should be converted from and to.\n\t * It can be a `{ key, [ values ], [ name ] }` object or a `String`, which will be treated like `{ key: definition.model }`.\n\t * The `key` property is the model attribute key to convert from and to.\n\t * The `values` are the possible model attribute values. If `values` is not set, the model attribute value will be the same as the\n\t * view attribute value.\n\t * If `name` is set, the conversion will be set up only for model elements with the given name.\n\t *\n\t * The `definition.view` parameter specifies which view attribute should be converted from and to.\n\t * It can be a `{ key, value, [ name ] }` object or a `String`, which will be treated like `{ key: definition.view }`.\n\t * The `key` property is the view attribute key to convert from and to.\n\t * The `value` is the view attribute value to convert from and to. If `definition.value` is not set, the view attribute value will be\n\t * the same as the model attribute value.\n\t * If `key` is `'class'`, `value` can be a `String` or an array of `String`s.\n\t * If `key` is `'style'`, `value` is an object with key-value pairs.\n\t * In other cases, `value` is a `String`.\n\t * If `name` is set, the conversion will be set up only for model elements with the given name.\n\t * If `definition.model.values` is set, `definition.view` is an object that assigns values from `definition.model.values`\n\t * to `{ key, value, [ name ] }` objects.\n\t *\n\t * `definition.upcastAlso` specifies which other matching view elements should also be upcast to the given model configuration.\n\t * If `definition.model.values` is set, `definition.upcastAlso` should be an object assigning values from `definition.model.values`\n\t * to {@link module:engine/view/matcher~MatcherPattern}s or arrays of {@link module:engine/view/matcher~MatcherPattern}s.\n\t *\n\t * **Note:** `definition.model` and `definition.view` form should be mirrored, so the same types of parameters should\n\t * be given in both parameters.\n\t *\n\t * @param {Object} definition The converter definition.\n\t * @param {String|Object} definition.model The model attribute to convert from and to.\n\t * @param {String|Object} definition.view The view attribute to convert from and to.\n\t * @param {module:engine/view/matcher~MatcherPattern|Array.<module:engine/view/matcher~MatcherPattern>} [definition.upcastAlso]\n\t * Any view element matching `definition.upcastAlso` will also be converted to the given model attribute. `definition.upcastAlso`\n\t * is used only if `config.model.values` is specified.\n\t */\n\tattributeToAttribute( definition ) {\n\t\t// Set up downcast converter.\n\t\tthis.for( 'downcast' ).attributeToAttribute( definition );\n\n\t\t// Set up upcast converter.\n\t\tfor ( const { model, view } of _getAllUpcastDefinitions( definition ) ) {\n\t\t\tthis.for( 'upcast' )\n\t\t\t\t.attributeToAttribute( {\n\t\t\t\t\tview,\n\t\t\t\t\tmodel\n\t\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Creates and caches conversion helpers for given dispatchers group.\n\t *\n\t * @private\n\t * @param {Object} options\n\t * @param {String} options.name Group name.\n\t * @param {Array.<module:engine/conversion/downcastdispatcher~DowncastDispatcher|\n\t * module:engine/conversion/upcastdispatcher~UpcastDispatcher>} options.dispatchers\n\t * @param {Boolean} options.isDowncast\n\t */\n\t_createConversionHelpers( { name, dispatchers, isDowncast } ) {\n\t\tif ( this._helpers.has( name ) ) {\n\t\t\t/**\n\t\t\t * Trying to register a group name that has already been registered.\n\t\t\t *\n\t\t\t * @error conversion-group-exists\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'conversion-group-exists', this );\n\t\t}\n\n\t\tconst helpers = isDowncast ? new DowncastHelpers( dispatchers ) : new UpcastHelpers( dispatchers );\n\n\t\tthis._helpers.set( name, helpers );\n\t}\n}\n\n/**\n * Defines how the model should be converted from and to the view.\n *\n * @typedef {Object} module:engine/conversion/conversion~ConverterDefinition\n *\n * @property {*} [model] The model conversion definition. Describes the model element or model attribute to convert. This parameter differs\n * for different functions that accept `ConverterDefinition`. See the description of the function to learn how to set it.\n * @property {module:engine/view/elementdefinition~ElementDefinition|Object} view The definition of the view element to convert from and\n * to. If `model` describes multiple values, `view` is an object that assigns these values (`view` object keys) to view element definitions\n * (`view` object values).\n * @property {module:engine/view/matcher~MatcherPattern|Array.<module:engine/view/matcher~MatcherPattern>} [upcastAlso]\n * Any view element matching `upcastAlso` will also be converted to the model. If `model` describes multiple values, `upcastAlso`\n * is an object that assigns these values (`upcastAlso` object keys) to {@link module:engine/view/matcher~MatcherPattern}s\n * (`upcastAlso` object values).\n * @property {module:utils/priorities~PriorityString} [converterPriority] The converter priority.\n */\n\n// Helper function that creates a joint array out of an item passed in `definition.view` and items passed in\n// `definition.upcastAlso`.\n//\n// @param {module:engine/conversion/conversion~ConverterDefinition} definition\n// @returns {Array} Array containing view definitions.\nfunction* _getAllUpcastDefinitions( definition ) {\n\tif ( definition.model.values ) {\n\t\tfor ( const value of definition.model.values ) {\n\t\t\tconst model = { key: definition.model.key, value };\n\t\t\tconst view = definition.view[ value ];\n\t\t\tconst upcastAlso = definition.upcastAlso ? definition.upcastAlso[ value ] : undefined;\n\n\t\t\tyield* _getUpcastDefinition( model, view, upcastAlso );\n\t\t}\n\t} else {\n\t\tyield* _getUpcastDefinition( definition.model, definition.view, definition.upcastAlso );\n\t}\n}\n\nfunction* _getUpcastDefinition( model, view, upcastAlso ) {\n\tyield { model, view };\n\n\tif ( upcastAlso ) {\n\t\tfor ( const upcastAlsoItem of toArray( upcastAlso ) ) {\n\t\t\tyield { model, view: upcastAlsoItem };\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/batch\n */\n\n/**\n * A batch instance groups model changes ({@link module:engine/model/operation/operation~Operation operations}). All operations\n * grouped in a single batch can be reverted together, so you can also think about a batch as of a single undo step. If you want\n * to extend a given undo step, you can add more changes to the batch using {@link module:engine/model/model~Model#enqueueChange}:\n *\n *\t\tmodel.enqueueChange( batch, writer => {\n *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n *\t\t} );\n *\n * @see module:engine/model/model~Model#enqueueChange\n * @see module:engine/model/model~Model#change\n */\nexport default class Batch {\n\t/**\n\t * Creates a batch instance.\n\t *\n\t * @see module:engine/model/model~Model#enqueueChange\n\t * @see module:engine/model/model~Model#change\n\t * @param {'transparent'|'default'} [type='default'] The type of the batch.\n\t */\n\tconstructor( type = 'default' ) {\n\t\t/**\n\t\t * An array of operations that compose this batch.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Array.<module:engine/model/operation/operation~Operation>}\n\t\t */\n\t\tthis.operations = [];\n\n\t\t/**\n\t\t * The type of the batch.\n\t\t *\n\t\t * It can be one of the following values:\n\t\t * * `'default'` &ndash; All \"normal\" batches. This is the most commonly used type.\n\t\t * * `'transparent'` &ndash; A batch that should be ignored by other features, i.e. an initial batch or collaborative editing\n\t\t * changes.\n\t\t *\n\t\t * @readonly\n\t\t * @type {'transparent'|'default'}\n\t\t */\n\t\tthis.type = type;\n\t}\n\n\t/**\n\t * Returns the base version of this batch, which is equal to the base version of the first operation in the batch.\n\t * If there are no operations in the batch or neither operation has the base version set, it returns `null`.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget baseVersion() {\n\t\tfor ( const op of this.operations ) {\n\t\t\tif ( op.baseVersion !== null ) {\n\t\t\t\treturn op.baseVersion;\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Adds an operation to the batch instance.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation An operation to add.\n\t * @returns {module:engine/model/operation/operation~Operation} The added operation.\n\t */\n\taddOperation( operation ) {\n\t\toperation.batch = this;\n\t\tthis.operations.push( operation );\n\n\t\treturn operation;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/operation\n */\n\n/**\n * Abstract base operation class.\n *\n * @abstract\n */\nexport default class Operation {\n\t/**\n\t * Base operation constructor.\n\t *\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( baseVersion ) {\n\t\t/**\n\t\t * {@link module:engine/model/document~Document#version} on which operation can be applied. If you try to\n\t\t * {@link module:engine/model/model~Model#applyOperation apply} operation with different base version than the\n\t\t * {@link module:engine/model/document~Document#version document version} the\n\t\t * {@link module:utils/ckeditorerror~CKEditorError model-document-applyOperation-wrong-version} error is thrown.\n\t\t *\n\t\t * @member {Number}\n\t\t */\n\t\tthis.baseVersion = baseVersion;\n\n\t\t/**\n\t\t * Defines whether operation is executed on attached or detached {@link module:engine/model/item~Item items}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isDocumentOperation\n\t\t */\n\t\tthis.isDocumentOperation = this.baseVersion !== null;\n\n\t\t/**\n\t\t * {@link module:engine/model/batch~Batch Batch} to which the operation is added or `null` if the operation is not\n\t\t * added to any batch yet.\n\t\t *\n\t\t * @member {module:engine/model/batch~Batch|null} #batch\n\t\t */\n\t\tthis.batch = null;\n\n\t\t/**\n\t\t * Operation type.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} #type\n\t\t */\n\n\t\t/**\n\t\t * Creates and returns an operation that has the same parameters as this operation.\n\t\t *\n\t\t * @method #clone\n\t\t * @returns {module:engine/model/operation/operation~Operation} Clone of this operation.\n\t\t */\n\n\t\t/**\n\t\t * Creates and returns a reverse operation. Reverse operation when executed right after\n\t\t * the original operation will bring back tree model state to the point before the original\n\t\t * operation execution. In other words, it reverses changes done by the original operation.\n\t\t *\n\t\t * Keep in mind that tree model state may change since executing the original operation,\n\t\t * so reverse operation will be \"outdated\". In that case you will need to transform it by\n\t\t * all operations that were executed after the original operation.\n\t\t *\n\t\t * @method #getReversed\n\t\t * @returns {module:engine/model/operation/operation~Operation} Reversed operation.\n\t\t */\n\n\t\t/**\n\t\t * Executes the operation - modifications described by the operation properties will be applied to the model tree.\n\t\t *\n\t\t * @protected\n\t\t * @method #_execute\n\t\t */\n\t}\n\n\t/**\n\t * Checks whether the operation's parameters are correct and the operation can be correctly executed. Throws\n\t * an error if operation is not valid.\n\t *\n\t * @protected\n\t * @method #_validate\n\t */\n\t_validate() {\n\t}\n\n\t/**\n\t * Custom toJSON method to solve child-parent circular dependencies.\n\t *\n\t * @method #toJSON\n\t * @returns {Object} Clone of this object with the operation property replaced with string.\n\t */\n\ttoJSON() {\n\t\t// This method creates only a shallow copy, all nested objects should be defined separately.\n\t\t// See https://github.com/ckeditor/ckeditor5-engine/issues/1477.\n\t\tconst json = Object.assign( {}, this );\n\n\t\tjson.__className = this.constructor.className;\n\n\t\t// Remove reference to the parent `Batch` to avoid circular dependencies.\n\t\tdelete json.batch;\n\n\t\t// Only document operations are shared with other clients so it is not necessary to keep this information.\n\t\tdelete json.isDocumentOperation;\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Name of the operation class used for serialization.\n\t *\n\t * @type {String}\n\t */\n\tstatic get className() {\n\t\treturn 'Operation';\n\t}\n\n\t/**\n\t * Creates Operation object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} doc Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/operation~Operation}\n\t */\n\tstatic fromJSON( json ) {\n\t\treturn new this( json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.toString() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module module:engine/model/documentfragment\n */\n\nimport NodeList from './nodelist';\nimport Element from './element';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\n\n// @if CK_DEBUG_ENGINE // const { stringifyMap } = require( '../dev-utils/utils' );\n\n/**\n * DocumentFragment represents a part of model which does not have a common root but its top-level nodes\n * can be seen as siblings. In other words, it is a detached part of model tree, without a root.\n *\n * DocumentFragment has own {@link module:engine/model/markercollection~MarkerCollection}. Markers from this collection\n * will be set to the {@link module:engine/model/model~Model#markers model markers} by a\n * {@link module:engine/model/writer~Writer#insert} function.\n */\nexport default class DocumentFragment {\n\t/**\n\t * Creates an empty `DocumentFragment`.\n\t *\n\t * **Note:** Constructor of this class shouldn't be used directly in the code.\n\t * Use the {@link module:engine/model/writer~Writer#createDocumentFragment} method instead.\n\t *\n\t * @protected\n\t * @param {module:engine/model/node~Node|Iterable.<module:engine/model/node~Node>} [children]\n\t * Nodes to be contained inside the `DocumentFragment`.\n\t */\n\tconstructor( children ) {\n\t\t/**\n\t\t * DocumentFragment static markers map. This is a list of names and {@link module:engine/model/range~Range ranges}\n\t\t * which will be set as Markers to {@link module:engine/model/model~Model#markers model markers collection}\n\t\t * when DocumentFragment will be inserted to the document.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Map<String,module:engine/model/range~Range>} module:engine/model/documentfragment~DocumentFragment#markers\n\t\t */\n\t\tthis.markers = new Map();\n\n\t\t/**\n\t\t * List of nodes contained inside the document fragment.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/nodelist~NodeList} module:engine/model/documentfragment~DocumentFragment#_children\n\t\t */\n\t\tthis._children = new NodeList();\n\n\t\tif ( children ) {\n\t\t\tthis._insertChild( 0, children );\n\t\t}\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all nodes contained inside this document fragment.\n\t *\n\t * @returns {Iterable.<module:engine/model/node~Node>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this.getChildren();\n\t}\n\n\t/**\n\t * Number of this document fragment's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget childCount() {\n\t\treturn this._children.length;\n\t}\n\n\t/**\n\t * Sum of {@link module:engine/model/node~Node#offsetSize offset sizes} of all of this document fragment's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget maxOffset() {\n\t\treturn this._children.maxOffset;\n\t}\n\n\t/**\n\t * Is `true` if there are no nodes inside this document fragment, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this.childCount === 0;\n\t}\n\n\t/**\n\t * Artificial root of `DocumentFragment`. Returns itself. Added for compatibility reasons.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Artificial parent of `DocumentFragment`. Returns `null`. Added for compatibility reasons.\n\t *\n\t * @readonly\n\t * @type {null}\n\t */\n\tget parent() {\n\t\treturn null;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tdocFrag.is( 'documentFragment' ); // -> true\n\t *\t\tdocFrag.is( 'model:documentFragment' ); // -> true\n\t *\n\t *\t\tdocFrag.is( 'view:documentFragment' ); // -> false\n\t *\t\tdocFrag.is( 'element' ); // -> false\n\t *\t\tdocFrag.is( 'node' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'documentFragment' || type === 'model:documentFragment';\n\t}\n\n\t/**\n\t * Gets the child at the given index. Returns `null` if incorrect index was passed.\n\t *\n\t * @param {Number} index Index of child.\n\t * @returns {module:engine/model/node~Node|null} Child node.\n\t */\n\tgetChild( index ) {\n\t\treturn this._children.getNode( index );\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all of this document fragment's children.\n\t *\n\t * @returns {Iterable.<module:engine/model/node~Node>}\n\t */\n\tgetChildren() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Returns an index of the given child node. Returns `null` if given node is not a child of this document fragment.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number|null} Child node's index.\n\t */\n\tgetChildIndex( node ) {\n\t\treturn this._children.getNodeIndex( node );\n\t}\n\n\t/**\n\t * Returns the starting offset of given child. Starting offset is equal to the sum of\n\t * {@link module:engine/model/node~Node#offsetSize offset sizes} of all node's siblings that are before it. Returns `null` if\n\t * given node is not a child of this document fragment.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number|null} Child node's starting offset.\n\t */\n\tgetChildStartOffset( node ) {\n\t\treturn this._children.getNodeStartOffset( node );\n\t}\n\n\t/**\n\t * Returns path to a `DocumentFragment`, which is an empty array. Added for compatibility reasons.\n\t *\n\t * @returns {Array}\n\t */\n\tgetPath() {\n\t\treturn [];\n\t}\n\n\t/**\n\t * Returns a descendant node by its path relative to this element.\n\t *\n\t *\t\t// <this>a<b>c</b></this>\n\t *\t\tthis.getNodeByPath( [ 0 ] );     // -> \"a\"\n\t *\t\tthis.getNodeByPath( [ 1 ] );     // -> <b>\n\t *\t\tthis.getNodeByPath( [ 1, 0 ] );  // -> \"c\"\n\t *\n\t * @param {Array.<Number>} relativePath Path of the node to find, relative to this element.\n\t * @returns {module:engine/model/node~Node|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tgetNodeByPath( relativePath ) {\n\t\tlet node = this; // eslint-disable-line consistent-this\n\n\t\tfor ( const index of relativePath ) {\n\t\t\tnode = node.getChild( node.offsetToIndex( index ) );\n\t\t}\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Converts offset \"position\" to index \"position\".\n\t *\n\t * Returns index of a node that occupies given offset. If given offset is too low, returns `0`. If given offset is\n\t * too high, returns index after last child}.\n\t *\n\t *\t\tconst textNode = new Text( 'foo' );\n\t *\t\tconst pElement = new Element( 'p' );\n\t *\t\tconst docFrag = new DocumentFragment( [ textNode, pElement ] );\n\t *\t\tdocFrag.offsetToIndex( -1 ); // Returns 0, because offset is too low.\n\t *\t\tdocFrag.offsetToIndex( 0 ); // Returns 0, because offset 0 is taken by `textNode` which is at index 0.\n\t *\t\tdocFrag.offsetToIndex( 1 ); // Returns 0, because `textNode` has `offsetSize` equal to 3, so it occupies offset 1 too.\n\t *\t\tdocFrag.offsetToIndex( 2 ); // Returns 0.\n\t *\t\tdocFrag.offsetToIndex( 3 ); // Returns 1.\n\t *\t\tdocFrag.offsetToIndex( 4 ); // Returns 2. There are no nodes at offset 4, so last available index is returned.\n\t *\n\t * @param {Number} offset Offset to look for.\n\t * @returns {Number} Index of a node that occupies given offset.\n\t */\n\toffsetToIndex( offset ) {\n\t\treturn this._children.offsetToIndex( offset );\n\t}\n\n\t/**\n\t * Converts `DocumentFragment` instance to plain object and returns it.\n\t * Takes care of converting all of this document fragment's children.\n\t *\n\t * @returns {Object} `DocumentFragment` instance converted to plain object.\n\t */\n\ttoJSON() {\n\t\tconst json = [];\n\n\t\tfor ( const node of this._children ) {\n\t\t\tjson.push( node.toJSON() );\n\t\t}\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Creates a `DocumentFragment` instance from given plain object (i.e. parsed JSON string).\n\t * Converts `DocumentFragment` children to proper nodes.\n\t *\n\t * @param {Object} json Plain object to be converted to `DocumentFragment`.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} `DocumentFragment` instance created using given plain object.\n\t */\n\tstatic fromJSON( json ) {\n\t\tconst children = [];\n\n\t\tfor ( const child of json ) {\n\t\t\tif ( child.name ) {\n\t\t\t\t// If child has name property, it is an Element.\n\t\t\t\tchildren.push( Element.fromJSON( child ) );\n\t\t\t} else {\n\t\t\t\t// Otherwise, it is a Text node.\n\t\t\t\tchildren.push( Text.fromJSON( child ) );\n\t\t\t}\n\t\t}\n\n\t\treturn new DocumentFragment( children );\n\t}\n\n\t/**\n\t * {@link #_insertChild Inserts} one or more nodes at the end of this document fragment.\n\t *\n\t * @protected\n\t * @param {module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>} items Items to be inserted.\n\t */\n\t_appendChild( items ) {\n\t\tthis._insertChild( this.childCount, items );\n\t}\n\n\t/**\n\t * Inserts one or more nodes at the given index and sets {@link module:engine/model/node~Node#parent parent} of these nodes\n\t * to this document fragment.\n\t *\n\t * @protected\n\t * @param {Number} index Index at which nodes should be inserted.\n\t * @param {module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>} items Items to be inserted.\n\t */\n\t_insertChild( index, items ) {\n\t\tconst nodes = normalize( items );\n\n\t\tfor ( const node of nodes ) {\n\t\t\t// If node that is being added to this element is already inside another element, first remove it from the old parent.\n\t\t\tif ( node.parent !== null ) {\n\t\t\t\tnode._remove();\n\t\t\t}\n\n\t\t\tnode.parent = this;\n\t\t}\n\n\t\tthis._children._insertNodes( index, nodes );\n\t}\n\n\t/**\n\t * Removes one or more nodes starting at the given index\n\t * and sets {@link module:engine/model/node~Node#parent parent} of these nodes to `null`.\n\t *\n\t * @protected\n\t * @param {Number} index Index of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @returns {Array.<module:engine/model/node~Node>} Array containing removed nodes.\n\t */\n\t_removeChildren( index, howMany = 1 ) {\n\t\tconst nodes = this._children._removeNodes( index, howMany );\n\n\t\tfor ( const node of nodes ) {\n\t\t\tnode.parent = null;\n\t\t}\n\n\t\treturn nodes;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn 'documentFragment';\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelDocumentFragment: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // printTree() {\n\t// @if CK_DEBUG_ENGINE //\tlet string = 'ModelDocumentFragment: [';\n\n\t// @if CK_DEBUG_ENGINE //\tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE //\t\tstring += '\\n';\n\n\t// @if CK_DEBUG_ENGINE //\t\tif ( child.is( '$text' ) ) {\n\t// @if CK_DEBUG_ENGINE //\t\t\tconst textAttrs = stringifyMap( child._attrs );\n\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\t'.repeat( 1 );\n\n\t// @if CK_DEBUG_ENGINE //\t\t\tif ( textAttrs !== '' ) {\n\t// @if CK_DEBUG_ENGINE //\t\t\t\tstring += `<$text${ textAttrs }>` + child.data + '</$text>';\n\t// @if CK_DEBUG_ENGINE //\t\t\t} else {\n\t// @if CK_DEBUG_ENGINE //\t\t\t\tstring += child.data;\n\t// @if CK_DEBUG_ENGINE //\t\t\t}\n\t// @if CK_DEBUG_ENGINE //\t\t} else {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += child.printTree( 1 );\n\t// @if CK_DEBUG_ENGINE //\t\t}\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\tstring += '\\n]';\n\n\t// @if CK_DEBUG_ENGINE //\treturn string;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logTree() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.printTree() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n// Converts strings to Text and non-iterables to arrays.\n//\n// @param {String|module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>}\n// @returns {Iterable.<module:engine/model/node~Node>}\nfunction normalize( nodes ) {\n\t// Separate condition because string is iterable.\n\tif ( typeof nodes == 'string' ) {\n\t\treturn [ new Text( nodes ) ];\n\t}\n\n\tif ( !isIterable( nodes ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Array.from to enable .map() on non-arrays.\n\treturn Array.from( nodes )\n\t\t.map( node => {\n\t\t\tif ( typeof node == 'string' ) {\n\t\t\t\treturn new Text( node );\n\t\t\t}\n\n\t\t\tif ( node instanceof TextProxy ) {\n\t\t\t\treturn new Text( node.data, node.getAttributes() );\n\t\t\t}\n\n\t\t\treturn node;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/utils\n */\n\nimport Node from '../node';\nimport Text from '../text';\nimport TextProxy from '../textproxy';\nimport Range from '../range';\nimport DocumentFragment from '../documentfragment';\nimport NodeList from '../nodelist';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Contains functions used for composing model tree by {@link module:engine/model/operation/operation~Operation operations}.\n * Those functions are built on top of {@link module:engine/model/node~Node node}, and it's child classes', APIs.\n *\n * @protected\n * @namespace utils\n */\n\n/**\n * Inserts given nodes at given position.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils.insert\n * @param {module:engine/model/position~Position} position Position at which nodes should be inserted.\n * @param {module:engine/model/node~NodeSet} nodes Nodes to insert.\n * @returns {module:engine/model/range~Range} Range spanning over inserted elements.\n */\nexport function _insert( position, nodes ) {\n\tnodes = _normalizeNodes( nodes );\n\n\t// We have to count offset before inserting nodes because they can get merged and we would get wrong offsets.\n\tconst offset = nodes.reduce( ( sum, node ) => sum + node.offsetSize, 0 );\n\tconst parent = position.parent;\n\n\t// Insertion might be in a text node, we should split it if that's the case.\n\t_splitNodeAtPosition( position );\n\tconst index = position.index;\n\n\t// Insert nodes at given index. After splitting we have a proper index and insertion is between nodes,\n\t// using basic `Element` API.\n\tparent._insertChild( index, nodes );\n\n\t// Merge text nodes, if possible. Merging is needed only at points where inserted nodes \"touch\" \"old\" nodes.\n\t_mergeNodesAtIndex( parent, index + nodes.length );\n\t_mergeNodesAtIndex( parent, index );\n\n\treturn new Range( position, position.getShiftedBy( offset ) );\n}\n\n/**\n * Removed nodes in given range. Only {@link module:engine/model/range~Range#isFlat flat} ranges are accepted.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils._remove\n * @param {module:engine/model/range~Range} range Range containing nodes to remove.\n * @returns {Array.<module:engine/model/node~Node>}\n */\nexport function _remove( range ) {\n\tif ( !range.isFlat ) {\n\t\t/**\n\t\t * Trying to remove a range which starts and ends in different element.\n\t\t *\n\t\t * @error operation-utils-remove-range-not-flat\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'operation-utils-remove-range-not-flat',\n\t\t\tthis\n\t\t);\n\t}\n\n\tconst parent = range.start.parent;\n\n\t// Range may be inside text nodes, we have to split them if that's the case.\n\t_splitNodeAtPosition( range.start );\n\t_splitNodeAtPosition( range.end );\n\n\t// Remove the text nodes using basic `Element` API.\n\tconst removed = parent._removeChildren( range.start.index, range.end.index - range.start.index );\n\n\t// Merge text nodes, if possible. After some nodes were removed, node before and after removed range will be\n\t// touching at the position equal to the removed range beginning. We check merging possibility there.\n\t_mergeNodesAtIndex( parent, range.start.index );\n\n\treturn removed;\n}\n\n/**\n * Moves nodes in given range to given target position. Only {@link module:engine/model/range~Range#isFlat flat} ranges are accepted.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils.move\n * @param {module:engine/model/range~Range} sourceRange Range containing nodes to move.\n * @param {module:engine/model/position~Position} targetPosition Position to which nodes should be moved.\n * @returns {module:engine/model/range~Range} Range containing moved nodes.\n */\nexport function _move( sourceRange, targetPosition ) {\n\tif ( !sourceRange.isFlat ) {\n\t\t/**\n\t\t * Trying to move a range which starts and ends in different element.\n\t\t *\n\t\t * @error operation-utils-move-range-not-flat\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'operation-utils-move-range-not-flat',\n\t\t\tthis\n\t\t);\n\t}\n\n\tconst nodes = _remove( sourceRange );\n\n\t// We have to fix `targetPosition` because model changed after nodes from `sourceRange` got removed and\n\t// that change might have an impact on `targetPosition`.\n\ttargetPosition = targetPosition._getTransformedByDeletion( sourceRange.start, sourceRange.end.offset - sourceRange.start.offset );\n\n\treturn _insert( targetPosition, nodes );\n}\n\n/**\n * Sets given attribute on nodes in given range. The attributes are only set on top-level nodes of the range, not on its children.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils._setAttribute\n * @param {module:engine/model/range~Range} range Range containing nodes that should have the attribute set. Must be a flat range.\n * @param {String} key Key of attribute to set.\n * @param {*} value Attribute value.\n */\nexport function _setAttribute( range, key, value ) {\n\t// Range might start or end in text nodes, so we have to split them.\n\t_splitNodeAtPosition( range.start );\n\t_splitNodeAtPosition( range.end );\n\n\t// Iterate over all items in the range.\n\tfor ( const item of range.getItems( { shallow: true } ) ) {\n\t\t// Iterator will return `TextProxy` instances but we know that those text proxies will\n\t\t// always represent full text nodes (this is guaranteed thanks to splitting we did before).\n\t\t// So, we can operate on those text proxies' text nodes.\n\t\tconst node = item.is( '$textProxy' ) ? item.textNode : item;\n\n\t\tif ( value !== null ) {\n\t\t\tnode._setAttribute( key, value );\n\t\t} else {\n\t\t\tnode._removeAttribute( key );\n\t\t}\n\n\t\t// After attributes changing it may happen that some text nodes can be merged. Try to merge with previous node.\n\t\t_mergeNodesAtIndex( node.parent, node.index );\n\t}\n\n\t// Try to merge last changed node with it's previous sibling (not covered by the loop above).\n\t_mergeNodesAtIndex( range.end.parent, range.end.index );\n}\n\n/**\n * Normalizes given object or an array of objects to an array of {@link module:engine/model/node~Node nodes}. See\n * {@link module:engine/model/node~NodeSet NodeSet} for details on how normalization is performed.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils.normalizeNodes\n * @param {module:engine/model/node~NodeSet} nodes Objects to normalize.\n * @returns {Array.<module:engine/model/node~Node>} Normalized nodes.\n */\nexport function _normalizeNodes( nodes ) {\n\tconst normalized = [];\n\n\tif ( !( nodes instanceof Array ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Convert instances of classes other than Node.\n\tfor ( let i = 0; i < nodes.length; i++ ) {\n\t\tif ( typeof nodes[ i ] == 'string' ) {\n\t\t\tnormalized.push( new Text( nodes[ i ] ) );\n\t\t} else if ( nodes[ i ] instanceof TextProxy ) {\n\t\t\tnormalized.push( new Text( nodes[ i ].data, nodes[ i ].getAttributes() ) );\n\t\t} else if ( nodes[ i ] instanceof DocumentFragment || nodes[ i ] instanceof NodeList ) {\n\t\t\tfor ( const child of nodes[ i ] ) {\n\t\t\t\tnormalized.push( child );\n\t\t\t}\n\t\t} else if ( nodes[ i ] instanceof Node ) {\n\t\t\tnormalized.push( nodes[ i ] );\n\t\t}\n\t\t// Skip unrecognized type.\n\t}\n\n\t// Merge text nodes.\n\tfor ( let i = 1; i < normalized.length; i++ ) {\n\t\tconst node = normalized[ i ];\n\t\tconst prev = normalized[ i - 1 ];\n\n\t\tif ( node instanceof Text && prev instanceof Text && _haveSameAttributes( node, prev ) ) {\n\t\t\t// Doing this instead changing `prev.data` because `data` is readonly.\n\t\t\tnormalized.splice( i - 1, 2, new Text( prev.data + node.data, prev.getAttributes() ) );\n\t\t\ti--;\n\t\t}\n\t}\n\n\treturn normalized;\n}\n\n// Checks if nodes before and after given index in given element are {@link module:engine/model/text~Text text nodes} and\n// merges them into one node if they have same attributes.\n//\n// Merging is done by removing two text nodes and inserting a new text node containing data from both merged text nodes.\n//\n// @private\n// @param {module:engine/model/element~Element} element Parent element of nodes to merge.\n// @param {Number} index Index between nodes to merge.\nfunction _mergeNodesAtIndex( element, index ) {\n\tconst nodeBefore = element.getChild( index - 1 );\n\tconst nodeAfter = element.getChild( index );\n\n\t// Check if both of those nodes are text objects with same attributes.\n\tif ( nodeBefore && nodeAfter && nodeBefore.is( '$text' ) && nodeAfter.is( '$text' ) && _haveSameAttributes( nodeBefore, nodeAfter ) ) {\n\t\t// Append text of text node after index to the before one.\n\t\tconst mergedNode = new Text( nodeBefore.data + nodeAfter.data, nodeBefore.getAttributes() );\n\n\t\t// Remove separate text nodes.\n\t\telement._removeChildren( index - 1, 2 );\n\n\t\t// Insert merged text node.\n\t\telement._insertChild( index - 1, mergedNode );\n\t}\n}\n\n// Checks if given position is in a text node, and if so, splits the text node in two text nodes, each of them\n// containing a part of original text node.\n//\n// @private\n// @param {module:engine/model/position~Position} position Position at which node should be split.\nfunction _splitNodeAtPosition( position ) {\n\tconst textNode = position.textNode;\n\tconst element = position.parent;\n\n\tif ( textNode ) {\n\t\tconst offsetDiff = position.offset - textNode.startOffset;\n\t\tconst index = textNode.index;\n\n\t\telement._removeChildren( index, 1 );\n\n\t\tconst firstPart = new Text( textNode.data.substr( 0, offsetDiff ), textNode.getAttributes() );\n\t\tconst secondPart = new Text( textNode.data.substr( offsetDiff ), textNode.getAttributes() );\n\n\t\telement._insertChild( index, [ firstPart, secondPart ] );\n\t}\n}\n\n// Checks whether two given nodes have same attributes.\n//\n// @private\n// @param {module:engine/model/node~Node} nodeA Node to check.\n// @param {module:engine/model/node~Node} nodeB Node to check.\n// @returns {Boolean} `true` if nodes have same attributes, `false` otherwise.\nfunction _haveSameAttributes( nodeA, nodeB ) {\n\tconst iteratorA = nodeA.getAttributes();\n\tconst iteratorB = nodeB.getAttributes();\n\n\tfor ( const attr of iteratorA ) {\n\t\tif ( attr[ 1 ] !== nodeB.getAttribute( attr[ 0 ] ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\titeratorB.next();\n\t}\n\n\treturn iteratorB.next().done;\n}\n\n/**\n * Value that can be normalized to an array of {@link module:engine/model/node~Node nodes}.\n *\n * Non-arrays are normalized as follows:\n * * {@link module:engine/model/node~Node Node} is left as is,\n * * {@link module:engine/model/textproxy~TextProxy TextProxy} and `String` are normalized to {@link module:engine/model/text~Text Text},\n * * {@link module:engine/model/nodelist~NodeList NodeList} is normalized to an array containing all nodes that are in that node list,\n * * {@link module:engine/model/documentfragment~DocumentFragment DocumentFragment} is normalized to an array containing all of it's\n * * children.\n *\n * Arrays are processed item by item like non-array values and flattened to one array. Normalization always results in\n * a flat array of {@link module:engine/model/node~Node nodes}. Consecutive text nodes (or items normalized to text nodes) will be\n * merged if they have same attributes.\n *\n * @typedef {module:engine/model/node~Node|module:engine/model/textproxy~TextProxy|String|\n * module:engine/model/nodelist~NodeList|module:engine/model/documentfragment~DocumentFragment|Iterable}\n * module:engine/model/node~NodeSet\n */\n","import baseIsEqual from './_baseIsEqual.js';\n\n/**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\nfunction isEqual(value, other) {\n  return baseIsEqual(value, other);\n}\n\nexport default isEqual;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/attributeoperation\n */\n\nimport Operation from './operation';\nimport Range from '../range';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport { _setAttribute } from './utils';\nimport { isEqual } from 'lodash-es';\n\n/**\n * Operation to change nodes' attribute.\n *\n * Using this class you can add, remove or change value of the attribute.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class AttributeOperation extends Operation {\n\t/**\n\t * Creates an operation that changes, removes or adds attributes.\n\t *\n\t * If only `newValue` is set, attribute will be added on a node. Note that all nodes in operation's range must not\n\t * have an attribute with the same key as the added attribute.\n\t *\n\t * If only `oldValue` is set, then attribute with given key will be removed. Note that all nodes in operation's range\n\t * must have an attribute with that key added.\n\t *\n\t * If both `newValue` and `oldValue` are set, then the operation will change the attribute value. Note that all nodes in\n\t * operation's ranges must already have an attribute with given key and `oldValue` as value\n\t *\n\t * @param {module:engine/model/range~Range} range Range on which the operation should be applied. Must be a flat range.\n\t * @param {String} key Key of an attribute to change or remove.\n\t * @param {*} oldValue Old value of the attribute with given key or `null`, if attribute was not set before.\n\t * @param {*} newValue New value of the attribute with given key or `null`, if operation should remove attribute.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( range, key, oldValue, newValue, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Range on which operation should be applied.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/range~Range}\n\t\t */\n\t\tthis.range = range.clone();\n\n\t\t/**\n\t\t * Key of an attribute to change or remove.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.key = key;\n\n\t\t/**\n\t\t * Old value of the attribute with given key or `null`, if attribute was not set before.\n\t\t *\n\t\t * @readonly\n\t\t * @member {*}\n\t\t */\n\t\tthis.oldValue = oldValue === undefined ? null : oldValue;\n\n\t\t/**\n\t\t * New value of the attribute with given key or `null`, if operation should remove attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @member {*}\n\t\t */\n\t\tthis.newValue = newValue === undefined ? null : newValue;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\tif ( this.oldValue === null ) {\n\t\t\treturn 'addAttribute';\n\t\t} else if ( this.newValue === null ) {\n\t\t\treturn 'removeAttribute';\n\t\t} else {\n\t\t\treturn 'changeAttribute';\n\t\t}\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/attributeoperation~AttributeOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new AttributeOperation( this.range, this.key, this.oldValue, this.newValue, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/attributeoperation~AttributeOperation}\n\t */\n\tgetReversed() {\n\t\treturn new AttributeOperation( this.range, this.key, this.newValue, this.oldValue, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.range = this.range.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tif ( !this.range.isFlat ) {\n\t\t\t/**\n\t\t\t * The range to change is not flat.\n\t\t\t *\n\t\t\t * @error attribute-operation-range-not-flat\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'attribute-operation-range-not-flat', this );\n\t\t}\n\n\t\tfor ( const item of this.range.getItems( { shallow: true } ) ) {\n\t\t\tif ( this.oldValue !== null && !isEqual( item.getAttribute( this.key ), this.oldValue ) ) {\n\t\t\t\t/**\n\t\t\t\t * Changed node has different attribute value than operation's old attribute value.\n\t\t\t\t *\n\t\t\t\t * @error attribute-operation-wrong-old-value\n\t\t\t\t * @param {module:engine/model/item~Item} item\n\t\t\t\t * @param {String} key\n\t\t\t\t * @param {*} value\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'attribute-operation-wrong-old-value',\n\t\t\t\t\tthis,\n\t\t\t\t\t{ item, key: this.key, value: this.oldValue }\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tif ( this.oldValue === null && this.newValue !== null && item.hasAttribute( this.key ) ) {\n\t\t\t\t/**\n\t\t\t\t * The attribute with given key already exists for the given node.\n\t\t\t\t *\n\t\t\t\t * @error attribute-operation-attribute-exists\n\t\t\t\t * @param {module:engine/model/node~Node} node\n\t\t\t\t * @param {String} key\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'attribute-operation-attribute-exists',\n\t\t\t\t\tthis,\n\t\t\t\t\t{ node: item, key: this.key }\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\t// If value to set is same as old value, don't do anything.\n\t\tif ( !isEqual( this.oldValue, this.newValue ) ) {\n\t\t\t// Execution.\n\t\t\t_setAttribute( this.range, this.key, this.newValue );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'AttributeOperation';\n\t}\n\n\t/**\n\t * Creates `AttributeOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/attributeoperation~AttributeOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\treturn new AttributeOperation( Range.fromJSON( json.range, document ), json.key, json.oldValue, json.newValue, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `AttributeOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`\"${ this.key }\": ${ JSON.stringify( this.oldValue ) }` +\n\t// @if CK_DEBUG_ENGINE //\t\t` -> ${ JSON.stringify( this.newValue ) }, ${ this.range }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/detachoperation\n */\n\nimport Operation from './operation';\nimport Range from '../range';\nimport { _remove } from './utils';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// @if CK_DEBUG_ENGINE // const ModelRange = require( '../range' ).default;\n\n/**\n * Operation to permanently remove node from detached root.\n * Note this operation is only a local operation and won't be send to the other clients.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class DetachOperation extends Operation {\n\t/**\n\t * Creates an insert operation.\n\t *\n\t * @param {module:engine/model/position~Position} sourcePosition\n\t * Position before the first {@link module:engine/model/item~Item model item} to move.\n\t * @param {Number} howMany Offset size of moved range. Moved range will start from `sourcePosition` and end at\n\t * `sourcePosition` with offset shifted by `howMany`.\n\t */\n\tconstructor( sourcePosition, howMany ) {\n\t\tsuper( null );\n\n\t\t/**\n\t\t * Position before the first {@link module:engine/model/item~Item model item} to detach.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} #sourcePosition\n\t\t */\n\t\tthis.sourcePosition = sourcePosition.clone();\n\n\t\t/**\n\t\t * Offset size of moved range.\n\t\t *\n\t\t * @member {Number} #howMany\n\t\t */\n\t\tthis.howMany = howMany;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'detach';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.sourcePosition = this.sourcePosition.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tif ( this.sourcePosition.root.document ) {\n\t\t\t/**\n\t\t\t * Cannot detach document node.\n\t\t\t *\n\t\t\t * @error detach-operation-on-document-node\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'detach-operation-on-document-node', this );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\t_remove( Range._createFromPositionAndShift( this.sourcePosition, this.howMany ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'DetachOperation';\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // const range = ModelRange._createFromPositionAndShift( this.sourcePosition, this.howMany );\n\t// @if CK_DEBUG_ENGINE //\tconst nodes = Array.from( range.getItems() );\n\t// @if CK_DEBUG_ENGINE //\tconst nodeString = nodes.length > 1 ? `[ ${ nodes.length } ]` : nodes[ 0 ];\n\n\t// @if CK_DEBUG_ENGINE //\treturn `DetachOperation( ${ this.baseVersion } ): ${ nodeString } -> ${ range }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/moveoperation\n */\n\nimport Operation from './operation';\nimport Position from '../position';\nimport Range from '../range';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\nimport { _move } from './utils';\n\n// @if CK_DEBUG_ENGINE // const ModelRange = require( '../range' ).default;\n\n/**\n * Operation to move a range of {@link module:engine/model/item~Item model items}\n * to given {@link module:engine/model/position~Position target position}.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class MoveOperation extends Operation {\n\t/**\n\t * Creates a move operation.\n\t *\n\t * @param {module:engine/model/position~Position} sourcePosition\n\t * Position before the first {@link module:engine/model/item~Item model item} to move.\n\t * @param {Number} howMany Offset size of moved range. Moved range will start from `sourcePosition` and end at\n\t * `sourcePosition` with offset shifted by `howMany`.\n\t * @param {module:engine/model/position~Position} targetPosition Position at which moved nodes will be inserted.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( sourcePosition, howMany, targetPosition, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position before the first {@link module:engine/model/item~Item model item} to move.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/moveoperation~MoveOperation#sourcePosition\n\t\t */\n\t\tthis.sourcePosition = sourcePosition.clone();\n\t\t// `'toNext'` because `sourcePosition` is a bit like a start of the moved range.\n\t\tthis.sourcePosition.stickiness = 'toNext';\n\n\t\t/**\n\t\t * Offset size of moved range.\n\t\t *\n\t\t * @member {Number} module:engine/model/operation/moveoperation~MoveOperation#howMany\n\t\t */\n\t\tthis.howMany = howMany;\n\n\t\t/**\n\t\t * Position at which moved nodes will be inserted.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/moveoperation~MoveOperation#targetPosition\n\t\t */\n\t\tthis.targetPosition = targetPosition.clone();\n\t\tthis.targetPosition.stickiness = 'toNone';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\tif ( this.targetPosition.root.rootName == '$graveyard' ) {\n\t\t\treturn 'remove';\n\t\t} else if ( this.sourcePosition.root.rootName == '$graveyard' ) {\n\t\t\treturn 'reinsert';\n\t\t}\n\n\t\treturn 'move';\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/moveoperation~MoveOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.sourcePosition, this.howMany, this.targetPosition, this.baseVersion );\n\t}\n\n\t/**\n\t * Returns the start position of the moved range after it got moved. This may be different than\n\t * {@link module:engine/model/operation/moveoperation~MoveOperation#targetPosition} in some cases, i.e. when a range is moved\n\t * inside the same parent but {@link module:engine/model/operation/moveoperation~MoveOperation#targetPosition targetPosition}\n\t * is after {@link module:engine/model/operation/moveoperation~MoveOperation#sourcePosition sourcePosition}.\n\t *\n\t *\t\t vv              vv\n\t *\t\tabcdefg ===> adefbcg\n\t *\t\t     ^          ^\n\t *\t\t     targetPos\tmovedRangeStart\n\t *\t\t     offset 6\toffset 4\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetMovedRangeStart() {\n\t\treturn this.targetPosition._getTransformedByDeletion( this.sourcePosition, this.howMany );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/moveoperation~MoveOperation}\n\t */\n\tgetReversed() {\n\t\tconst newTargetPosition = this.sourcePosition._getTransformedByInsertion( this.targetPosition, this.howMany );\n\n\t\treturn new this.constructor( this.getMovedRangeStart(), this.howMany, newTargetPosition, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst sourceElement = this.sourcePosition.parent;\n\t\tconst targetElement = this.targetPosition.parent;\n\t\tconst sourceOffset = this.sourcePosition.offset;\n\t\tconst targetOffset = this.targetPosition.offset;\n\n\t\t// Validate whether move operation has correct parameters.\n\t\t// Validation is pretty complex but move operation is one of the core ways to manipulate the document state.\n\t\t// We expect that many errors might be connected with one of scenarios described below.\n\t\tif ( sourceOffset + this.howMany > sourceElement.maxOffset ) {\n\t\t\t/**\n\t\t\t * The nodes which should be moved do not exist.\n\t\t\t *\n\t\t\t * @error move-operation-nodes-do-not-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'move-operation-nodes-do-not-exist', this\n\t\t\t);\n\t\t} else if ( sourceElement === targetElement && sourceOffset < targetOffset && targetOffset < sourceOffset + this.howMany ) {\n\t\t\t/**\n\t\t\t * Trying to move a range of nodes into the middle of that range.\n\t\t\t *\n\t\t\t * @error move-operation-range-into-itself\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'move-operation-range-into-itself', this\n\t\t\t);\n\t\t} else if ( this.sourcePosition.root == this.targetPosition.root ) {\n\t\t\tif ( compareArrays( this.sourcePosition.getParentPath(), this.targetPosition.getParentPath() ) == 'prefix' ) {\n\t\t\t\tconst i = this.sourcePosition.path.length - 1;\n\n\t\t\t\tif ( this.targetPosition.path[ i ] >= sourceOffset && this.targetPosition.path[ i ] < sourceOffset + this.howMany ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * Trying to move a range of nodes into one of nodes from that range.\n\t\t\t\t\t *\n\t\t\t\t\t * @error move-operation-node-into-itself\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t\t'move-operation-node-into-itself', this\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\t_move( Range._createFromPositionAndShift( this.sourcePosition, this.howMany ), this.targetPosition );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.sourcePosition = this.sourcePosition.toJSON();\n\t\tjson.targetPosition = this.targetPosition.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'MoveOperation';\n\t}\n\n\t/**\n\t * Creates `MoveOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/moveoperation~MoveOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tconst sourcePosition = Position.fromJSON( json.sourcePosition, document );\n\t\tconst targetPosition = Position.fromJSON( json.targetPosition, document );\n\n\t\treturn new this( sourcePosition, json.howMany, targetPosition, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \tconst range = ModelRange._createFromPositionAndShift( this.sourcePosition, this.howMany );\n\n\t// @if CK_DEBUG_ENGINE //\treturn `MoveOperation( ${ this.baseVersion } ): ${ range } -> ${ this.targetPosition }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/insertoperation\n */\n\nimport Operation from './operation';\nimport Position from '../position';\nimport NodeList from '../nodelist';\nimport MoveOperation from './moveoperation';\nimport { _insert, _normalizeNodes } from './utils';\nimport Text from '../text';\nimport Element from '../element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Operation to insert one or more nodes at given position in the model.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class InsertOperation extends Operation {\n\t/**\n\t * Creates an insert operation.\n\t *\n\t * @param {module:engine/model/position~Position} position Position of insertion.\n\t * @param {module:engine/model/node~NodeSet} nodes The list of nodes to be inserted.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( position, nodes, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position of insertion.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/insertoperation~InsertOperation#position\n\t\t */\n\t\tthis.position = position.clone();\n\t\tthis.position.stickiness = 'toNone';\n\n\t\t/**\n\t\t * List of nodes to insert.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/nodelist~NodeList} module:engine/model/operation/insertoperation~InsertOperation#nodeList\n\t\t */\n\t\tthis.nodes = new NodeList( _normalizeNodes( nodes ) );\n\n\t\t/**\n\t\t * Flag deciding how the operation should be transformed. If set to `true`, nodes might get additional attributes\n\t\t * during operational transformation. This happens when the operation insertion position is inside of a range\n\t\t * where attributes have changed.\n\t\t *\n\t\t * @member {Boolean} module:engine/model/operation/insertoperation~InsertOperation#shouldReceiveAttributes\n\t\t */\n\t\tthis.shouldReceiveAttributes = false;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'insert';\n\t}\n\n\t/**\n\t * Total offset size of inserted nodes.\n\t *\n\t * @returns {Number}\n\t */\n\tget howMany() {\n\t\treturn this.nodes.maxOffset;\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/insertoperation~InsertOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\tconst nodes = new NodeList( [ ...this.nodes ].map( node => node._clone( true ) ) );\n\t\tconst insert = new InsertOperation( this.position, nodes, this.baseVersion );\n\n\t\tinsert.shouldReceiveAttributes = this.shouldReceiveAttributes;\n\n\t\treturn insert;\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/moveoperation~MoveOperation}\n\t */\n\tgetReversed() {\n\t\tconst graveyard = this.position.root.document.graveyard;\n\t\tconst gyPosition = new Position( graveyard, [ 0 ] );\n\n\t\treturn new MoveOperation( this.position, this.nodes.maxOffset, gyPosition, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst targetElement = this.position.parent;\n\n\t\tif ( !targetElement || targetElement.maxOffset < this.position.offset ) {\n\t\t\t/**\n\t\t\t * Insertion position is invalid.\n\t\t\t *\n\t\t\t * @error insert-operation-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'insert-operation-position-invalid',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\t// What happens here is that we want original nodes be passed to writer because we want original nodes\n\t\t// to be inserted to the model. But in InsertOperation, we want to keep those nodes as they were added\n\t\t// to the operation, not modified. For example, text nodes can get merged or cropped while Elements can\n\t\t// get children. It is important that InsertOperation has the copy of original nodes in intact state.\n\t\tconst originalNodes = this.nodes;\n\t\tthis.nodes = new NodeList( [ ...originalNodes ].map( node => node._clone( true ) ) );\n\n\t\t_insert( this.position, originalNodes );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.position = this.position.toJSON();\n\t\tjson.nodes = this.nodes.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'InsertOperation';\n\t}\n\n\t/**\n\t * Creates `InsertOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/insertoperation~InsertOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tconst children = [];\n\n\t\tfor ( const child of json.nodes ) {\n\t\t\tif ( child.name ) {\n\t\t\t\t// If child has name property, it is an Element.\n\t\t\t\tchildren.push( Element.fromJSON( child ) );\n\t\t\t} else {\n\t\t\t\t// Otherwise, it is a Text node.\n\t\t\t\tchildren.push( Text.fromJSON( child ) );\n\t\t\t}\n\t\t}\n\n\t\tconst insert = new InsertOperation( Position.fromJSON( json.position, document ), children, json.baseVersion );\n\t\tinsert.shouldReceiveAttributes = json.shouldReceiveAttributes;\n\n\t\treturn insert;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \tconst nodeString = this.nodes.length > 1 ? `[ ${ this.nodes.length } ]` : this.nodes.getNode( 0 );\n\n\t// @if CK_DEBUG_ENGINE //\treturn `InsertOperation( ${ this.baseVersion } ): ${ nodeString } -> ${ this.position }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/markeroperation\n */\n\nimport Operation from './operation';\nimport Range from '../range';\n\n/**\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class MarkerOperation extends Operation {\n\t/**\n\t * @param {String} name Marker name.\n\t * @param {module:engine/model/range~Range} oldRange Marker range before the change.\n\t * @param {module:engine/model/range~Range} newRange Marker range after the change.\n\t * @param {module:engine/model/markercollection~MarkerCollection} markers Marker collection on which change should be executed.\n\t * @param {Boolean} affectsData Specifies whether the marker operation affects the data produced by the data pipeline\n\t * (is persisted in the editor's data).\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( name, oldRange, newRange, markers, affectsData, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Marker name.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * Marker range before the change.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/range~Range}\n\t\t */\n\t\tthis.oldRange = oldRange ? oldRange.clone() : null;\n\n\t\t/**\n\t\t * Marker range after the change.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/range~Range}\n\t\t */\n\t\tthis.newRange = newRange ? newRange.clone() : null;\n\n\t\t/**\n\t\t * Specifies whether the marker operation affects the data produced by the data pipeline\n\t\t * (is persisted in the editor's data).\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.affectsData = affectsData;\n\n\t\t/**\n\t\t * Marker collection on which change should be executed.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/markercollection~MarkerCollection}\n\t\t */\n\t\tthis._markers = markers;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'marker';\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/markeroperation~MarkerOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new MarkerOperation( this.name, this.oldRange, this.newRange, this._markers, this.affectsData, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/markeroperation~MarkerOperation}\n\t */\n\tgetReversed() {\n\t\treturn new MarkerOperation( this.name, this.newRange, this.oldRange, this._markers, this.affectsData, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tconst type = this.newRange ? '_set' : '_remove';\n\n\t\tthis._markers[ type ]( this.name, this.newRange, true, this.affectsData );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tif ( this.oldRange ) {\n\t\t\tjson.oldRange = this.oldRange.toJSON();\n\t\t}\n\n\t\tif ( this.newRange ) {\n\t\t\tjson.newRange = this.newRange.toJSON();\n\t\t}\n\n\t\tdelete json._markers;\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'MarkerOperation';\n\t}\n\n\t/**\n\t * Creates `MarkerOperation` object from deserialized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/markeroperation~MarkerOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\treturn new MarkerOperation(\n\t\t\tjson.name,\n\t\t\tjson.oldRange ? Range.fromJSON( json.oldRange, document ) : null,\n\t\t\tjson.newRange ? Range.fromJSON( json.newRange, document ) : null,\n\t\t\tdocument.model.markers,\n\t\t\tjson.affectsData,\n\t\t\tjson.baseVersion\n\t\t);\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `MarkerOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`\"${ this.name }\": ${ this.oldRange } -> ${ this.newRange }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/renameoperation\n */\n\nimport Operation from './operation';\nimport Element from '../element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Position from '../position';\n\n/**\n * Operation to change element's name.\n *\n * Using this class you can change element's name.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class RenameOperation extends Operation {\n\t/**\n\t * Creates an operation that changes element's name.\n\t *\n\t * @param {module:engine/model/position~Position} position Position before an element to change.\n\t * @param {String} oldName Current name of the element.\n\t * @param {String} newName New name for the element.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( position, oldName, newName, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position before an element to change.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/renameoperation~RenameOperation#position\n\t\t */\n\t\tthis.position = position;\n\t\t// This position sticks to the next node because it is a position before the node that we want to change.\n\t\tthis.position.stickiness = 'toNext';\n\n\t\t/**\n\t\t * Current name of the element.\n\t\t *\n\t\t * @member {String} module:engine/model/operation/renameoperation~RenameOperation#oldName\n\t\t */\n\t\tthis.oldName = oldName;\n\n\t\t/**\n\t\t * New name for the element.\n\t\t *\n\t\t * @member {String} module:engine/model/operation/renameoperation~RenameOperation#newName\n\t\t */\n\t\tthis.newName = newName;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'rename';\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/renameoperation~RenameOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new RenameOperation( this.position.clone(), this.oldName, this.newName, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/renameoperation~RenameOperation}\n\t */\n\tgetReversed() {\n\t\treturn new RenameOperation( this.position.clone(), this.newName, this.oldName, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst element = this.position.nodeAfter;\n\n\t\tif ( !( element instanceof Element ) ) {\n\t\t\t/**\n\t\t\t * Given position is invalid or node after it is not instance of Element.\n\t\t\t *\n\t\t\t * @error rename-operation-wrong-position\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rename-operation-wrong-position',\n\t\t\t\tthis\n\t\t\t);\n\t\t} else if ( element.name !== this.oldName ) {\n\t\t\t/**\n\t\t\t * Element to change has different name than operation's old name.\n\t\t\t *\n\t\t\t * @error rename-operation-wrong-name\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rename-operation-wrong-name',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tconst element = this.position.nodeAfter;\n\n\t\telement.name = this.newName;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.position = this.position.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'RenameOperation';\n\t}\n\n\t/**\n\t * Creates `RenameOperation` object from deserialized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/attributeoperation~AttributeOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\treturn new RenameOperation( Position.fromJSON( json.position, document ), json.oldName, json.newName, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `RenameOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`${ this.position }: \"${ this.oldName }\" -> \"${ this.newName }\"`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/rootattributeoperation\n */\n\nimport Operation from './operation';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Operation to change root element's attribute. Using this class you can add, remove or change value of the attribute.\n *\n * This operation is needed, because root elements can't be changed through\n * @link module:engine/model/operation/attributeoperation~AttributeOperation}.\n * It is because {@link module:engine/model/operation/attributeoperation~AttributeOperation}\n * requires a range to change and root element can't\n * be a part of range because every {@link module:engine/model/position~Position} has to be inside a root.\n * {@link module:engine/model/position~Position} can't be created before a root element.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class RootAttributeOperation extends Operation {\n\t/**\n\t * Creates an operation that changes, removes or adds attributes on root element.\n\t *\n\t * @see module:engine/model/operation/attributeoperation~AttributeOperation\n\t * @param {module:engine/model/rootelement~RootElement} root Root element to change.\n\t * @param {String} key Key of an attribute to change or remove.\n\t * @param {*} oldValue Old value of the attribute with given key or `null` if adding a new attribute.\n\t * @param {*} newValue New value to set for the attribute. If `null`, then the operation just removes the attribute.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( root, key, oldValue, newValue, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Root element to change.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/rootelement~RootElement}\n\t\t */\n\t\tthis.root = root;\n\n\t\t/**\n\t\t * Key of an attribute to change or remove.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.key = key;\n\n\t\t/**\n\t\t * Old value of the attribute with given key or `null` if adding a new attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @member {*}\n\t\t */\n\t\tthis.oldValue = oldValue;\n\n\t\t/**\n\t\t * New value to set for the attribute. If `null`, then the operation just removes the attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @member {*}\n\t\t */\n\t\tthis.newValue = newValue;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\tif ( this.oldValue === null ) {\n\t\t\treturn 'addRootAttribute';\n\t\t} else if ( this.newValue === null ) {\n\t\t\treturn 'removeRootAttribute';\n\t\t} else {\n\t\t\treturn 'changeRootAttribute';\n\t\t}\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/rootattributeoperation~RootAttributeOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new RootAttributeOperation( this.root, this.key, this.oldValue, this.newValue, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/rootattributeoperation~RootAttributeOperation}\n\t */\n\tgetReversed() {\n\t\treturn new RootAttributeOperation( this.root, this.key, this.newValue, this.oldValue, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tif ( this.root != this.root.root || this.root.is( 'documentFragment' ) ) {\n\t\t\t/**\n\t\t\t * The element to change is not a root element.\n\t\t\t *\n\t\t\t * @error rootattribute-operation-not-a-root\n\t\t\t * @param {module:engine/model/rootelement~RootElement} root\n\t\t\t * @param {String} key\n\t\t\t * @param {*} value\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rootattribute-operation-not-a-root',\n\t\t\t\tthis,\n\t\t\t\t{ root: this.root, key: this.key }\n\t\t\t);\n\t\t}\n\n\t\tif ( this.oldValue !== null && this.root.getAttribute( this.key ) !== this.oldValue ) {\n\t\t\t/**\n\t\t\t * The attribute which should be removed does not exists for the given node.\n\t\t\t *\n\t\t\t * @error rootattribute-operation-wrong-old-value\n\t\t\t * @param {module:engine/model/rootelement~RootElement} root\n\t\t\t * @param {String} key\n\t\t\t * @param {*} value\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rootattribute-operation-wrong-old-value',\n\t\t\t\tthis,\n\t\t\t\t{ root: this.root, key: this.key }\n\t\t\t);\n\t\t}\n\n\t\tif ( this.oldValue === null && this.newValue !== null && this.root.hasAttribute( this.key ) ) {\n\t\t\t/**\n\t\t\t * The attribute with given key already exists for the given node.\n\t\t\t *\n\t\t\t * @error rootattribute-operation-attribute-exists\n\t\t\t * @param {module:engine/model/rootelement~RootElement} root\n\t\t\t * @param {String} key\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rootattribute-operation-attribute-exists',\n\t\t\t\tthis,\n\t\t\t\t{ root: this.root, key: this.key }\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tif ( this.newValue !== null ) {\n\t\t\tthis.root._setAttribute( this.key, this.newValue );\n\t\t} else {\n\t\t\tthis.root._removeAttribute( this.key );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.root = this.root.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'RootAttributeOperation';\n\t}\n\n\t/**\n\t * Creates RootAttributeOperation object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/rootattributeoperation~RootAttributeOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tif ( !document.getRoot( json.root ) ) {\n\t\t\t/**\n\t\t\t * Cannot create RootAttributeOperation for document. Root with specified name does not exist.\n\t\t\t *\n\t\t\t * @error rootattribute-operation-fromjson-no-root\n\t\t\t * @param {String} rootName\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'rootattribute-operation-fromjson-no-root', this, { rootName: json.root } );\n\t\t}\n\n\t\treturn new RootAttributeOperation( document.getRoot( json.root ), json.key, json.oldValue, json.newValue, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `RootAttributeOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`\"${ this.key }\": ${ JSON.stringify( this.oldValue ) }` +\n\t// @if CK_DEBUG_ENGINE //\t\t` -> ${ JSON.stringify( this.newValue ) }, ${ this.root.rootName }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/mergeoperation\n */\n\nimport Operation from './operation';\nimport SplitOperation from './splitoperation';\nimport Position from '../position';\nimport Range from '../range';\nimport { _move } from './utils';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Operation to merge two {@link module:engine/model/element~Element elements}.\n *\n * The merged element is the parent of {@link ~MergeOperation#sourcePosition} and it is merged into the parent of\n * {@link ~MergeOperation#targetPosition}. All nodes from the merged element are moved to {@link ~MergeOperation#targetPosition}.\n *\n * The merged element is moved to the graveyard at {@link ~MergeOperation#graveyardPosition}.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class MergeOperation extends Operation {\n\t/**\n\t * Creates a merge operation.\n\t *\n\t * @param {module:engine/model/position~Position} sourcePosition Position inside the merged element. All nodes from that\n\t * element after that position will be moved to {@link ~#targetPosition}.\n\t * @param {Number} howMany Summary offset size of nodes which will be moved from the merged element to the new parent.\n\t * @param {module:engine/model/position~Position} targetPosition Position which the nodes from the merged elements will be moved to.\n\t * @param {module:engine/model/position~Position} graveyardPosition Position in graveyard to which the merged element will be moved.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( sourcePosition, howMany, targetPosition, graveyardPosition, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position inside the merged element. All nodes from that element after that position will be moved to {@link ~#targetPosition}.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/mergeoperation~MergeOperation#sourcePosition\n\t\t */\n\t\tthis.sourcePosition = sourcePosition.clone();\n\t\t// This is, and should always remain, the first position in its parent.\n\t\tthis.sourcePosition.stickiness = 'toPrevious';\n\n\t\t/**\n\t\t * Summary offset size of nodes which will be moved from the merged element to the new parent.\n\t\t *\n\t\t * @member {Number} module:engine/model/operation/mergeoperation~MergeOperation#howMany\n\t\t */\n\t\tthis.howMany = howMany;\n\n\t\t/**\n\t\t * Position which the nodes from the merged elements will be moved to.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/mergeoperation~MergeOperation#targetPosition\n\t\t */\n\t\tthis.targetPosition = targetPosition.clone();\n\t\t// Except of a rare scenario in `MergeOperation` x `MergeOperation` transformation,\n\t\t// this is, and should always remain, the last position in its parent.\n\t\tthis.targetPosition.stickiness = 'toNext';\n\n\t\t/**\n\t\t * Position in graveyard to which the merged element will be moved.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/mergeoperation~MergeOperation#graveyardPosition\n\t\t */\n\t\tthis.graveyardPosition = graveyardPosition.clone();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'merge';\n\t}\n\n\t/**\n\t * Position before the merged element (which will be deleted).\n\t *\n\t * @readonly\n\t * @type {module:engine/model/position~Position}\n\t */\n\tget deletionPosition() {\n\t\treturn new Position( this.sourcePosition.root, this.sourcePosition.path.slice( 0, -1 ) );\n\t}\n\n\t/**\n\t * Artificial range that contains all the nodes from the merged element that will be moved to {@link ~MergeOperation#sourcePosition}.\n\t * The range starts at {@link ~MergeOperation#sourcePosition} and ends in the same parent, at `POSITIVE_INFINITY` offset.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/range~Range}\n\t */\n\tget movedRange() {\n\t\tconst end = this.sourcePosition.getShiftedBy( Number.POSITIVE_INFINITY );\n\n\t\treturn new Range( this.sourcePosition, end );\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/mergeoperation~MergeOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.sourcePosition, this.howMany, this.targetPosition, this.graveyardPosition, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/splitoperation~SplitOperation}\n\t */\n\tgetReversed() {\n\t\t// Positions in this method are transformed by this merge operation because the split operation bases on\n\t\t// the context after this merge operation happened (because split operation reverses it).\n\t\t// So we need to acknowledge that the merge operation happened and those positions changed a little.\n\t\tconst targetPosition = this.targetPosition._getTransformedByMergeOperation( this );\n\n\t\tconst path = this.sourcePosition.path.slice( 0, -1 );\n\t\tconst insertionPosition = new Position( this.sourcePosition.root, path )._getTransformedByMergeOperation( this );\n\n\t\tconst split = new SplitOperation( targetPosition, this.howMany, this.graveyardPosition, this.baseVersion + 1 );\n\t\tsplit.insertionPosition = insertionPosition;\n\n\t\treturn split;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst sourceElement = this.sourcePosition.parent;\n\t\tconst targetElement = this.targetPosition.parent;\n\n\t\t// Validate whether merge operation has correct parameters.\n\t\tif ( !sourceElement.parent ) {\n\t\t\t/**\n\t\t\t * Merge source position is invalid. The element to be merged must have a parent node.\n\t\t\t *\n\t\t\t * @error merge-operation-source-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'merge-operation-source-position-invalid', this );\n\t\t} else if ( !targetElement.parent ) {\n\t\t\t/**\n\t\t\t * Merge target position is invalid. The element to be merged must have a parent node.\n\t\t\t *\n\t\t\t * @error merge-operation-target-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'merge-operation-target-position-invalid', this );\n\t\t} else if ( this.howMany != sourceElement.maxOffset ) {\n\t\t\t/**\n\t\t\t * Merge operation specifies wrong number of nodes to move.\n\t\t\t *\n\t\t\t * @error merge-operation-how-many-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'merge-operation-how-many-invalid', this );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tconst mergedElement = this.sourcePosition.parent;\n\t\tconst sourceRange = Range._createIn( mergedElement );\n\n\t\t_move( sourceRange, this.targetPosition );\n\t\t_move( Range._createOn( mergedElement ), this.graveyardPosition );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.sourcePosition = json.sourcePosition.toJSON();\n\t\tjson.targetPosition = json.targetPosition.toJSON();\n\t\tjson.graveyardPosition = json.graveyardPosition.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'MergeOperation';\n\t}\n\n\t/**\n\t * Creates `MergeOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/mergeoperation~MergeOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tconst sourcePosition = Position.fromJSON( json.sourcePosition, document );\n\t\tconst targetPosition = Position.fromJSON( json.targetPosition, document );\n\t\tconst graveyardPosition = Position.fromJSON( json.graveyardPosition, document );\n\n\t\treturn new this( sourcePosition, json.howMany, targetPosition, graveyardPosition, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `MergeOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`${ this.sourcePosition } -> ${ this.targetPosition }` +\n\t// @if CK_DEBUG_ENGINE //\t\t` ( ${ this.howMany } ), ${ this.graveyardPosition }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/splitoperation\n */\n\nimport Operation from './operation';\nimport MergeOperation from './mergeoperation';\nimport Position from '../position';\nimport Range from '../range';\nimport { _insert, _move } from './utils';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Operation to split {@link module:engine/model/element~Element an element} at given\n * {@link module:engine/model/operation/splitoperation~SplitOperation#splitPosition split position} into two elements,\n * both containing a part of the element's original content.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class SplitOperation extends Operation {\n\t/**\n\t * Creates a split operation.\n\t *\n\t * @param {module:engine/model/position~Position} splitPosition Position at which an element should be split.\n\t * @param {Number} howMany Total offset size of elements that are in the split element after `position`.\n\t * @param {module:engine/model/position~Position|null} graveyardPosition Position in the graveyard root before the element which\n\t * should be used as a parent of the nodes after `position`. If it is not set, a copy of the the `position` parent will be used.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( splitPosition, howMany, graveyardPosition, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position at which an element should be split.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/splitoperation~SplitOperation#splitPosition\n\t\t */\n\t\tthis.splitPosition = splitPosition.clone();\n\t\t// Keep position sticking to the next node. This way any new content added at the place where the element is split\n\t\t// will be left in the original element.\n\t\tthis.splitPosition.stickiness = 'toNext';\n\n\t\t/**\n\t\t * Total offset size of elements that are in the split element after `position`.\n\t\t *\n\t\t * @member {Number} module:engine/model/operation/splitoperation~SplitOperation#howMany\n\t\t */\n\t\tthis.howMany = howMany;\n\n\t\t/**\n\t\t * Position at which the clone of split element (or element from graveyard) will be inserted.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/splitoperation~SplitOperation#insertionPosition\n\t\t */\n\t\tthis.insertionPosition = SplitOperation.getInsertionPosition( splitPosition );\n\t\tthis.insertionPosition.stickiness = 'toNone';\n\n\t\t/**\n\t\t * Position in the graveyard root before the element which should be used as a parent of the nodes after `position`.\n\t\t * If it is not set, a copy of the the `position` parent will be used.\n\t\t *\n\t\t * The default behavior is to clone the split element. Element from graveyard is used during undo.\n\t\t *\n\t\t * @member {module:engine/model/position~Position|null} #graveyardPosition\n\t\t */\n\t\tthis.graveyardPosition = graveyardPosition ? graveyardPosition.clone() : null;\n\n\t\tif ( this.graveyardPosition ) {\n\t\t\tthis.graveyardPosition.stickiness = 'toNext';\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'split';\n\t}\n\n\t/**\n\t * Position inside the new clone of a split element.\n\t *\n\t * This is a position where nodes that are after the split position will be moved to.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/position~Position}\n\t */\n\tget moveTargetPosition() {\n\t\tconst path = this.insertionPosition.path.slice();\n\t\tpath.push( 0 );\n\n\t\treturn new Position( this.insertionPosition.root, path );\n\t}\n\n\t/**\n\t * Artificial range that contains all the nodes from the split element that will be moved to the new element.\n\t * The range starts at {@link ~#splitPosition} and ends in the same parent, at `POSITIVE_INFINITY` offset.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/range~Range}\n\t */\n\tget movedRange() {\n\t\tconst end = this.splitPosition.getShiftedBy( Number.POSITIVE_INFINITY );\n\n\t\treturn new Range( this.splitPosition, end );\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/splitoperation~SplitOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\tconst split = new this.constructor( this.splitPosition, this.howMany, this.graveyardPosition, this.baseVersion );\n\t\tsplit.insertionPosition = this.insertionPosition;\n\n\t\treturn split;\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/mergeoperation~MergeOperation}\n\t */\n\tgetReversed() {\n\t\tconst graveyard = this.splitPosition.root.document.graveyard;\n\t\tconst graveyardPosition = new Position( graveyard, [ 0 ] );\n\n\t\treturn new MergeOperation( this.moveTargetPosition, this.howMany, this.splitPosition, graveyardPosition, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst element = this.splitPosition.parent;\n\t\tconst offset = this.splitPosition.offset;\n\n\t\t// Validate whether split operation has correct parameters.\n\t\tif ( !element || element.maxOffset < offset ) {\n\t\t\t/**\n\t\t\t * Split position is invalid.\n\t\t\t *\n\t\t\t * @error split-operation-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'split-operation-position-invalid', this );\n\t\t} else if ( !element.parent ) {\n\t\t\t/**\n\t\t\t * Cannot split root element.\n\t\t\t *\n\t\t\t * @error split-operation-split-in-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'split-operation-split-in-root', this );\n\t\t} else if ( this.howMany != element.maxOffset - this.splitPosition.offset ) {\n\t\t\t/**\n\t\t\t * Split operation specifies wrong number of nodes to move.\n\t\t\t *\n\t\t\t * @error split-operation-how-many-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'split-operation-how-many-invalid', this );\n\t\t} else if ( this.graveyardPosition && !this.graveyardPosition.nodeAfter ) {\n\t\t\t/**\n\t\t\t * Graveyard position invalid.\n\t\t\t *\n\t\t\t * @error split-operation-graveyard-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'split-operation-graveyard-position-invalid', this );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tconst splitElement = this.splitPosition.parent;\n\n\t\tif ( this.graveyardPosition ) {\n\t\t\t_move( Range._createFromPositionAndShift( this.graveyardPosition, 1 ), this.insertionPosition );\n\t\t} else {\n\t\t\tconst newElement = splitElement._clone();\n\n\t\t\t_insert( this.insertionPosition, newElement );\n\t\t}\n\n\t\tconst sourceRange = new Range(\n\t\t\tPosition._createAt( splitElement, this.splitPosition.offset ),\n\t\t\tPosition._createAt( splitElement, splitElement.maxOffset )\n\t\t);\n\n\t\t_move( sourceRange, this.moveTargetPosition );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.splitPosition = this.splitPosition.toJSON();\n\t\tjson.insertionPosition = this.insertionPosition.toJSON();\n\n\t\tif ( this.graveyardPosition ) {\n\t\t\tjson.graveyardPosition = this.graveyardPosition.toJSON();\n\t\t}\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'SplitOperation';\n\t}\n\n\t/**\n\t * Helper function that returns a default insertion position basing on given `splitPosition`. The default insertion\n\t * position is after the split element.\n\t *\n\t * @param {module:engine/model/position~Position} splitPosition\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tstatic getInsertionPosition( splitPosition ) {\n\t\tconst path = splitPosition.path.slice( 0, -1 );\n\t\tpath[ path.length - 1 ]++;\n\n\t\treturn new Position( splitPosition.root, path );\n\t}\n\n\t/**\n\t * Creates `SplitOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/splitoperation~SplitOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tconst splitPosition = Position.fromJSON( json.splitPosition, document );\n\t\tconst insertionPosition = Position.fromJSON( json.insertionPosition, document );\n\t\tconst graveyardPosition = json.graveyardPosition ? Position.fromJSON( json.graveyardPosition, document ) : null;\n\n\t\tconst split = new this( splitPosition, json.howMany, graveyardPosition, json.baseVersion );\n\t\tsplit.insertionPosition = insertionPosition;\n\n\t\treturn split;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `SplitOperation( ${ this.baseVersion } ): ${ this.splitPosition } ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`( ${ this.howMany } ) -> ${ this.insertionPosition }` +\n\t// @if CK_DEBUG_ENGINE //\t\t`${ this.graveyardPosition ? ' with ' + this.graveyardPosition : '' }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/rootelement\n */\n\nimport Element from './element';\n\n/**\n * Type of {@link module:engine/model/element~Element} that is a root of a model tree.\n * @extends module:engine/model/element~Element\n */\nexport default class RootElement extends Element {\n\t/**\n\t * Creates root element.\n\t *\n\t * @param {module:engine/model/document~Document} document Document that is an owner of this root.\n\t * @param {String} name Node name.\n\t * @param {String} [rootName='main'] Unique root name used to identify this root\n\t * element by {@link module:engine/model/document~Document}.\n\t */\n\tconstructor( document, name, rootName = 'main' ) {\n\t\tsuper( name );\n\n\t\t/**\n\t\t * Document that is an owner of this root.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/document~Document}\n\t\t */\n\t\tthis._document = document;\n\n\t\t/**\n\t\t * Unique root name used to identify this root element by {@link module:engine/model/document~Document}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.rootName = rootName;\n\t}\n\n\t/**\n\t * {@link module:engine/model/document~Document Document} that owns this root element.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/document~Document|null}\n\t */\n\tget document() {\n\t\treturn this._document;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\trootElement.is( 'rootElement' ); // -> true\n\t *\t\trootElement.is( 'element' ); // -> true\n\t *\t\trootElement.is( 'node' ); // -> true\n\t *\t\trootElement.is( 'model:rootElement' ); // -> true\n\t *\t\trootElement.is( 'model:element' ); // -> true\n\t *\t\trootElement.is( 'model:node' ); // -> true\n\t *\n\t *\t\trootElement.is( 'view:element' ); // -> false\n\t *\t\trootElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an element, you can also check its\n\t * {@link module:engine/model/element~Element#name name}:\n\t *\n\t *\t\trootElement.is( 'rootElement', '$root' ); // -> same as above\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'rootElement' || type === 'model:rootElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'model:element' ||\n\t\t\t\ttype === 'node' || type === 'model:node';\n\t\t}\n\n\t\treturn name === this.name && (\n\t\t\ttype === 'rootElement' || type === 'model:rootElement' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype === 'element' || type === 'model:element'\n\t\t);\n\t}\n\n\t/**\n\t * Converts `RootElement` instance to `String` containing it's name.\n\t *\n\t * @returns {String} `RootElement` instance converted to `String`.\n\t */\n\ttoJSON() {\n\t\treturn this.rootName;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn this.rootName;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelRootElement: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/writer\n */\n\nimport AttributeOperation from './operation/attributeoperation';\nimport DetachOperation from './operation/detachoperation';\nimport InsertOperation from './operation/insertoperation';\nimport MarkerOperation from './operation/markeroperation';\nimport MoveOperation from './operation/moveoperation';\nimport RenameOperation from './operation/renameoperation';\nimport RootAttributeOperation from './operation/rootattributeoperation';\nimport SplitOperation from './operation/splitoperation';\nimport MergeOperation from './operation/mergeoperation';\n\nimport DocumentFragment from './documentfragment';\nimport Text from './text';\nimport Element from './element';\nimport RootElement from './rootelement';\nimport Position from './position';\nimport Range from './range.js';\nimport DocumentSelection from './documentselection';\n\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * The model can only be modified by using the writer. It should be used whenever you want to create a node, modify\n * child nodes, attributes or text, set the selection's position and its attributes.\n *\n * The instance of the writer is only available in the {@link module:engine/model/model~Model#change `change()`} or\n * {@link module:engine/model/model~Model#enqueueChange `enqueueChange()`}.\n *\n *\t\tmodel.change( writer => {\n *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n *\t\t} );\n *\n * Note that the writer should never be stored and used outside of the `change()` and\n * `enqueueChange()` blocks.\n *\n * Note that writer's methods do not check the {@link module:engine/model/schema~Schema}. It is possible\n * to create incorrect model structures by using the writer. Read more about in\n * {@glink framework/guides/deep-dive/schema#who-checks-the-schema \"Who checks the schema?\"}.\n *\n * @see module:engine/model/model~Model#change\n * @see module:engine/model/model~Model#enqueueChange\n */\nexport default class Writer {\n\t/**\n\t * Creates a writer instance.\n\t *\n\t * **Note:** It is not recommended to use it directly. Use {@link module:engine/model/model~Model#change `Model#change()`} or\n\t * {@link module:engine/model/model~Model#enqueueChange `Model#enqueueChange()`} instead.\n\t *\n\t * @protected\n\t * @param {module:engine/model/model~Model} model\n\t * @param {module:engine/model/batch~Batch} batch\n\t */\n\tconstructor( model, batch ) {\n\t\t/**\n\t\t * Instance of the model on which this writer operates.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * The batch to which this writer will add changes.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/batch~Batch}\n\t\t */\n\t\tthis.batch = batch;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/model/text~Text text node}.\n\t *\n\t *\t\twriter.createText( 'foo' );\n\t *\t\twriter.createText( 'foo', { bold: true } );\n\t *\n\t * @param {String} data Text data.\n\t * @param {Object} [attributes] Text attributes.\n\t * @returns {module:engine/model/text~Text} Created text node.\n\t */\n\tcreateText( data, attributes ) {\n\t\treturn new Text( data, attributes );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/model/element~Element element}.\n\t *\n\t *\t\twriter.createElement( 'paragraph' );\n\t *\t\twriter.createElement( 'paragraph', { alignment: 'center' } );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @returns {module:engine/model/element~Element} Created element.\n\t */\n\tcreateElement( name, attributes ) {\n\t\treturn new Element( name, attributes );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/model/documentfragment~DocumentFragment document fragment}.\n\t *\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} Created document fragment.\n\t */\n\tcreateDocumentFragment() {\n\t\treturn new DocumentFragment();\n\t}\n\n\t/**\n\t * Creates a copy of the element and returns it. Created element has the same name and attributes as the original element.\n\t * If clone is deep, the original element's children are also cloned. If not, then empty element is returned.\n\t *\n\t * @param {module:engine/model/element~Element} element The element to clone.\n\t * @param {Boolean} [deep=true] If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any child.\n\t */\n\tcloneElement( element, deep = true ) {\n\t\treturn element._clone( deep );\n\t}\n\n\t/**\n\t * Inserts item on given position.\n\t *\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\twriter.insert( paragraph, position );\n\t *\n\t * Instead of using position you can use parent and offset:\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\twriter.insert( text, paragraph, 5 );\n\t *\n\t * You can also use `end` instead of the offset to insert at the end:\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\twriter.insert( text, paragraph, 'end' );\n\t *\n\t * Or insert before or after another element:\n\t *\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\twriter.insert( paragraph, anotherParagraph, 'after' );\n\t *\n\t * These parameters works the same way as {@link #createPositionAt `writer.createPositionAt()`}.\n\t *\n\t * Note that if the item already has parent it will be removed from the previous parent.\n\t *\n\t * Note that you cannot re-insert a node from a document to a different document or a document fragment. In this case,\n\t * `model-writer-insert-forbidden-move` is thrown.\n\t *\n\t * If you want to move {@link module:engine/model/range~Range range} instead of an\n\t * {@link module:engine/model/item~Item item} use {@link module:engine/model/writer~Writer#move `Writer#move()`}.\n\t *\n\t * **Note:** For a paste-like content insertion mechanism see\n\t * {@link module:engine/model/model~Model#insertContent `model.insertContent()`}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/documentfragment~DocumentFragment} item Item or document\n\t * fragment to insert.\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * second parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tinsert( item, itemOrPosition, offset = 0 ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( item instanceof Text && item.data == '' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst position = Position._createAt( itemOrPosition, offset );\n\n\t\t// If item has a parent already.\n\t\tif ( item.parent ) {\n\t\t\t// We need to check if item is going to be inserted within the same document.\n\t\t\tif ( isSameTree( item.root, position.root ) ) {\n\t\t\t\t// If it's we just need to move it.\n\t\t\t\tthis.move( Range._createOn( item ), position );\n\n\t\t\t\treturn;\n\t\t\t}\n\t\t\t// If it isn't the same root.\n\t\t\telse {\n\t\t\t\tif ( item.root.document ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * Cannot move a node from a document to a different tree.\n\t\t\t\t\t * It is forbidden to move a node that was already in a document outside of it.\n\t\t\t\t\t *\n\t\t\t\t\t * @error model-writer-insert-forbidden-move\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t\t'model-writer-insert-forbidden-move',\n\t\t\t\t\t\tthis\n\t\t\t\t\t);\n\t\t\t\t} else {\n\t\t\t\t\t// Move between two different document fragments or from document fragment to a document is possible.\n\t\t\t\t\t// In that case, remove the item from it's original parent.\n\t\t\t\t\tthis.remove( item );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tconst version = position.root.document ? position.root.document.version : null;\n\n\t\tconst insert = new InsertOperation( position, item, version );\n\n\t\tif ( item instanceof Text ) {\n\t\t\tinsert.shouldReceiveAttributes = true;\n\t\t}\n\n\t\tthis.batch.addOperation( insert );\n\t\tthis.model.applyOperation( insert );\n\n\t\t// When element is a DocumentFragment we need to move its markers to Document#markers.\n\t\tif ( item instanceof DocumentFragment ) {\n\t\t\tfor ( const [ markerName, markerRange ] of item.markers ) {\n\t\t\t\t// We need to migrate marker range from DocumentFragment to Document.\n\t\t\t\tconst rangeRootPosition = Position._createAt( markerRange.root, 0 );\n\t\t\t\tconst range = new Range(\n\t\t\t\t\tmarkerRange.start._getCombined( rangeRootPosition, position ),\n\t\t\t\t\tmarkerRange.end._getCombined( rangeRootPosition, position )\n\t\t\t\t);\n\n\t\t\t\tconst options = { range, usingOperation: true, affectsData: true };\n\n\t\t\t\tif ( this.model.markers.has( markerName ) ) {\n\t\t\t\t\tthis.updateMarker( markerName, options );\n\t\t\t\t} else {\n\t\t\t\t\tthis.addMarker( markerName, options );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Creates and inserts text on given position. You can optionally set text attributes:\n\t *\n\t *\t\twriter.insertText( 'foo', position );\n\t *\t\twriter.insertText( 'foo', { bold: true }, position );\n\t *\n\t * Instead of using position you can use parent and offset or define that text should be inserted at the end\n\t * or before or after other node:\n\t *\n\t *\t\t// Inserts 'foo' in paragraph, at offset 5:\n\t *\t\twriter.insertText( 'foo', paragraph, 5 );\n\t *\t\t// Inserts 'foo' at the end of a paragraph:\n\t *\t\twriter.insertText( 'foo', paragraph, 'end' );\n\t *\t\t// Inserts 'foo' after an image:\n\t *\t\twriter.insertText( 'foo', image, 'after' );\n\t *\n\t * These parameters work in the same way as {@link #createPositionAt `writer.createPositionAt()`}.\n\t *\n\t * @param {String} data Text data.\n\t * @param {Object} [attributes] Text attributes.\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * third parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tinsertText( text, attributes, itemOrPosition, offset ) {\n\t\tif ( attributes instanceof DocumentFragment || attributes instanceof Element || attributes instanceof Position ) {\n\t\t\tthis.insert( this.createText( text ), attributes, itemOrPosition );\n\t\t} else {\n\t\t\tthis.insert( this.createText( text, attributes ), itemOrPosition, offset );\n\t\t}\n\t}\n\n\t/**\n\t * Creates and inserts element on given position. You can optionally set attributes:\n\t *\n\t *\t\twriter.insertElement( 'paragraph', position );\n\t *\t\twriter.insertElement( 'paragraph', { alignment: 'center' }, position );\n\t *\n\t * Instead of using position you can use parent and offset or define that text should be inserted at the end\n\t * or before or after other node:\n\t *\n\t *\t\t// Inserts paragraph in the root at offset 5:\n\t *\t\twriter.insertElement( 'paragraph', root, 5 );\n\t *\t\t// Inserts paragraph at the end of a blockquote:\n\t *\t\twriter.insertElement( 'paragraph', blockquote, 'end' );\n\t *\t\t// Inserts after an image:\n\t *\t\twriter.insertElement( 'paragraph', image, 'after' );\n\t *\n\t * These parameters works the same way as {@link #createPositionAt `writer.createPositionAt()`}.\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * third parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tinsertElement( name, attributes, itemOrPosition, offset ) {\n\t\tif ( attributes instanceof DocumentFragment || attributes instanceof Element || attributes instanceof Position ) {\n\t\t\tthis.insert( this.createElement( name ), attributes, itemOrPosition );\n\t\t} else {\n\t\t\tthis.insert( this.createElement( name, attributes ), itemOrPosition, offset );\n\t\t}\n\t}\n\n\t/**\n\t * Inserts item at the end of the given parent.\n\t *\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\twriter.append( paragraph, root );\n\t *\n\t * Note that if the item already has parent it will be removed from the previous parent.\n\t *\n\t * If you want to move {@link module:engine/model/range~Range range} instead of an\n\t * {@link module:engine/model/item~Item item} use {@link module:engine/model/writer~Writer#move `Writer#move()`}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/documentfragment~DocumentFragment}\n\t * item Item or document fragment to insert.\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} parent\n\t */\n\tappend( item, parent ) {\n\t\tthis.insert( item, parent, 'end' );\n\t}\n\n\t/**\n\t * Creates text node and inserts it at the end of the parent. You can optionally set text attributes:\n\t *\n\t *\t\twriter.appendText( 'foo', paragraph );\n\t *\t\twriter.appendText( 'foo', { bold: true }, paragraph );\n\t *\n\t * @param {String} text Text data.\n\t * @param {Object} [attributes] Text attributes.\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} parent\n\t */\n\tappendText( text, attributes, parent ) {\n\t\tif ( attributes instanceof DocumentFragment || attributes instanceof Element ) {\n\t\t\tthis.insert( this.createText( text ), attributes, 'end' );\n\t\t} else {\n\t\t\tthis.insert( this.createText( text, attributes ), parent, 'end' );\n\t\t}\n\t}\n\n\t/**\n\t * Creates element and inserts it at the end of the parent. You can optionally set attributes:\n\t *\n\t *\t\twriter.appendElement( 'paragraph', root );\n\t *\t\twriter.appendElement( 'paragraph', { alignment: 'center' }, root );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} parent\n\t */\n\tappendElement( name, attributes, parent ) {\n\t\tif ( attributes instanceof DocumentFragment || attributes instanceof Element ) {\n\t\t\tthis.insert( this.createElement( name ), attributes, 'end' );\n\t\t} else {\n\t\t\tthis.insert( this.createElement( name, attributes ), parent, 'end' );\n\t\t}\n\t}\n\n\t/**\n\t * Sets value of the attribute with given key on a {@link module:engine/model/item~Item model item}\n\t * or on a {@link module:engine/model/range~Range range}.\n\t *\n\t * @param {String} key Attribute key.\n\t * @param {*} value Attribute new value.\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange\n\t * Model item or range on which the attribute will be set.\n\t */\n\tsetAttribute( key, value, itemOrRange ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( itemOrRange instanceof Range ) {\n\t\t\tconst ranges = itemOrRange.getMinimalFlatRanges();\n\n\t\t\tfor ( const range of ranges ) {\n\t\t\t\tsetAttributeOnRange( this, key, value, range );\n\t\t\t}\n\t\t} else {\n\t\t\tsetAttributeOnItem( this, key, value, itemOrRange );\n\t\t}\n\t}\n\n\t/**\n\t * Sets values of attributes on a {@link module:engine/model/item~Item model item}\n\t * or on a {@link module:engine/model/range~Range range}.\n\t *\n\t *\t\twriter.setAttributes( {\n\t *\t\t\tbold: true,\n\t *\t\t\titalic: true\n\t *\t\t}, range );\n\t *\n\t * @param {Object} attributes Attributes keys and values.\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange\n\t * Model item or range on which the attributes will be set.\n\t */\n\tsetAttributes( attributes, itemOrRange ) {\n\t\tfor ( const [ key, val ] of toMap( attributes ) ) {\n\t\t\tthis.setAttribute( key, val, itemOrRange );\n\t\t}\n\t}\n\n\t/**\n\t * Removes an attribute with given key from a {@link module:engine/model/item~Item model item}\n\t * or from a {@link module:engine/model/range~Range range}.\n\t *\n\t * @param {String} key Attribute key.\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange\n\t * Model item or range from which the attribute will be removed.\n\t */\n\tremoveAttribute( key, itemOrRange ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( itemOrRange instanceof Range ) {\n\t\t\tconst ranges = itemOrRange.getMinimalFlatRanges();\n\n\t\t\tfor ( const range of ranges ) {\n\t\t\t\tsetAttributeOnRange( this, key, null, range );\n\t\t\t}\n\t\t} else {\n\t\t\tsetAttributeOnItem( this, key, null, itemOrRange );\n\t\t}\n\t}\n\n\t/**\n\t * Removes all attributes from all elements in the range or from the given item.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange\n\t * Model item or range from which all attributes will be removed.\n\t */\n\tclearAttributes( itemOrRange ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst removeAttributesFromItem = item => {\n\t\t\tfor ( const attribute of item.getAttributeKeys() ) {\n\t\t\t\tthis.removeAttribute( attribute, item );\n\t\t\t}\n\t\t};\n\n\t\tif ( !( itemOrRange instanceof Range ) ) {\n\t\t\tremoveAttributesFromItem( itemOrRange );\n\t\t} else {\n\t\t\tfor ( const item of itemOrRange.getItems() ) {\n\t\t\t\tremoveAttributesFromItem( item );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Moves all items in the source range to the target position.\n\t *\n\t *\t\twriter.move( sourceRange, targetPosition );\n\t *\n\t * Instead of the target position you can use parent and offset or define that range should be moved to the end\n\t * or before or after chosen item:\n\t *\n\t *\t\t// Moves all items in the range to the paragraph at offset 5:\n\t *\t\twriter.move( sourceRange, paragraph, 5 );\n\t *\t\t// Moves all items in the range to the end of a blockquote:\n\t *\t\twriter.move( sourceRange, blockquote, 'end' );\n\t *\t\t// Moves all items in the range to a position after an image:\n\t *\t\twriter.move( sourceRange, image, 'after' );\n\t *\n\t * These parameters works the same way as {@link #createPositionAt `writer.createPositionAt()`}.\n\t *\n\t * Note that items can be moved only within the same tree. It means that you can move items within the same root\n\t * (element or document fragment) or between {@link module:engine/model/document~Document#roots documents roots},\n\t * but you can not move items from document fragment to the document or from one detached element to another. Use\n\t * {@link module:engine/model/writer~Writer#insert} in such cases.\n\t *\n\t * @param {module:engine/model/range~Range} range Source range.\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * second parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tmove( range, itemOrPosition, offset ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( !( range instanceof Range ) ) {\n\t\t\t/**\n\t\t\t * Invalid range to move.\n\t\t\t *\n\t\t\t * @error writer-move-invalid-range\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-move-invalid-range', this );\n\t\t}\n\n\t\tif ( !range.isFlat ) {\n\t\t\t/**\n\t\t\t * Range to move is not flat.\n\t\t\t *\n\t\t\t * @error writer-move-range-not-flat\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-move-range-not-flat', this );\n\t\t}\n\n\t\tconst position = Position._createAt( itemOrPosition, offset );\n\n\t\t// Do not move anything if the move target is same as moved range start.\n\t\tif ( position.isEqual( range.start ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If part of the marker is removed, create additional marker operation for undo purposes.\n\t\tthis._addOperationForAffectedMarkers( 'move', range );\n\n\t\tif ( !isSameTree( range.root, position.root ) ) {\n\t\t\t/**\n\t\t\t * Range is going to be moved within not the same document. Please use\n\t\t\t * {@link module:engine/model/writer~Writer#insert insert} instead.\n\t\t\t *\n\t\t\t * @error writer-move-different-document\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-move-different-document', this );\n\t\t}\n\n\t\tconst version = range.root.document ? range.root.document.version : null;\n\t\tconst operation = new MoveOperation( range.start, range.end.offset - range.start.offset, position, version );\n\n\t\tthis.batch.addOperation( operation );\n\t\tthis.model.applyOperation( operation );\n\t}\n\n\t/**\n\t * Removes given model {@link module:engine/model/item~Item item} or {@link module:engine/model/range~Range range}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange Model item or range to remove.\n\t */\n\tremove( itemOrRange ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst rangeToRemove = itemOrRange instanceof Range ? itemOrRange : Range._createOn( itemOrRange );\n\t\tconst ranges = rangeToRemove.getMinimalFlatRanges().reverse();\n\n\t\tfor ( const flat of ranges ) {\n\t\t\t// If part of the marker is removed, create additional marker operation for undo purposes.\n\t\t\tthis._addOperationForAffectedMarkers( 'move', flat );\n\n\t\t\tapplyRemoveOperation( flat.start, flat.end.offset - flat.start.offset, this.batch, this.model );\n\t\t}\n\t}\n\n\t/**\n\t * Merges two siblings at the given position.\n\t *\n\t * Node before and after the position have to be an element. Otherwise `writer-merge-no-element-before` or\n\t * `writer-merge-no-element-after` error will be thrown.\n\t *\n\t * @param {module:engine/model/position~Position} position Position between merged elements.\n\t */\n\tmerge( position ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst nodeBefore = position.nodeBefore;\n\t\tconst nodeAfter = position.nodeAfter;\n\n\t\t// If part of the marker is removed, create additional marker operation for undo purposes.\n\t\tthis._addOperationForAffectedMarkers( 'merge', position );\n\n\t\tif ( !( nodeBefore instanceof Element ) ) {\n\t\t\t/**\n\t\t\t * Node before merge position must be an element.\n\t\t\t *\n\t\t\t * @error writer-merge-no-element-before\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-merge-no-element-before', this );\n\t\t}\n\n\t\tif ( !( nodeAfter instanceof Element ) ) {\n\t\t\t/**\n\t\t\t * Node after merge position must be an element.\n\t\t\t *\n\t\t\t * @error writer-merge-no-element-after\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-merge-no-element-after', this );\n\t\t}\n\n\t\tif ( !position.root.document ) {\n\t\t\tthis._mergeDetached( position );\n\t\t} else {\n\t\t\tthis._merge( position );\n\t\t}\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createPositionFromPath `Model#createPositionFromPath()`}.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} root Root of the position.\n\t * @param {Array.<Number>} path Position path. See {@link module:engine/model/position~Position#path}.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * See {@link module:engine/model/position~PositionStickiness}.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionFromPath( root, path, stickiness ) {\n\t\treturn this.model.createPositionFromPath( root, path, stickiness );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createPositionAt `Model#createPositionAt()`}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn this.model.createPositionAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createPositionAfter `Model#createPositionAfter()`}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item after which the position should be placed.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn this.model.createPositionAfter( item );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createPositionBefore `Model#createPositionBefore()`}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item after which the position should be placed.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn this.model.createPositionBefore( item );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createRange `Model#createRange()`}.\n\t *\n\t * @param {module:engine/model/position~Position} start Start position.\n\t * @param {module:engine/model/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn this.model.createRange( start, end );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createRangeIn `Model#createRangeIn()`}.\n\t *\n\t * @param {module:engine/model/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn this.model.createRangeIn( element );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createRangeOn `Model#createRangeOn()`}.\n\t *\n\t * @param {module:engine/model/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRangeOn( element ) {\n\t\treturn this.model.createRangeOn( element );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createSelection `Model#createSelection()`}.\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @returns {module:engine/model/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn this.model.createSelection( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Performs merge action in a detached tree.\n\t *\n\t * @private\n\t * @param {module:engine/model/position~Position} position Position between merged elements.\n\t */\n\t_mergeDetached( position ) {\n\t\tconst nodeBefore = position.nodeBefore;\n\t\tconst nodeAfter = position.nodeAfter;\n\n\t\tthis.move( Range._createIn( nodeAfter ), Position._createAt( nodeBefore, 'end' ) );\n\t\tthis.remove( nodeAfter );\n\t}\n\n\t/**\n\t * Performs merge action in a non-detached tree.\n\t *\n\t * @private\n\t * @param {module:engine/model/position~Position} position Position between merged elements.\n\t */\n\t_merge( position ) {\n\t\tconst targetPosition = Position._createAt( position.nodeBefore, 'end' );\n\t\tconst sourcePosition = Position._createAt( position.nodeAfter, 0 );\n\n\t\tconst graveyard = position.root.document.graveyard;\n\t\tconst graveyardPosition = new Position( graveyard, [ 0 ] );\n\n\t\tconst version = position.root.document.version;\n\n\t\tconst merge = new MergeOperation( sourcePosition, position.nodeAfter.maxOffset, targetPosition, graveyardPosition, version );\n\n\t\tthis.batch.addOperation( merge );\n\t\tthis.model.applyOperation( merge );\n\t}\n\n\t/**\n\t * Renames the given element.\n\t *\n\t * @param {module:engine/model/element~Element} element The element to rename.\n\t * @param {String} newName New element name.\n\t */\n\trename( element, newName ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( !( element instanceof Element ) ) {\n\t\t\t/**\n\t\t\t * Trying to rename an object which is not an instance of Element.\n\t\t\t *\n\t\t\t * @error writer-rename-not-element-instance\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'writer-rename-not-element-instance',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tconst version = element.root.document ? element.root.document.version : null;\n\t\tconst renameOperation = new RenameOperation( Position._createBefore( element ), element.name, newName, version );\n\n\t\tthis.batch.addOperation( renameOperation );\n\t\tthis.model.applyOperation( renameOperation );\n\t}\n\n\t/**\n\t * Splits elements starting from the given position and going to the top of the model tree as long as given\n\t * `limitElement` is reached. When `limitElement` is not defined then only the parent of the given position will be split.\n\t *\n\t * The element needs to have a parent. It cannot be a root element nor a document fragment.\n\t * The `writer-split-element-no-parent` error will be thrown if you try to split an element with no parent.\n\t *\n\t * @param {module:engine/model/position~Position} position Position of split.\n\t * @param {module:engine/model/node~Node} [limitElement] Stop splitting when this element will be reached.\n\t * @returns {Object} result Split result.\n\t * @returns {module:engine/model/position~Position} result.position Position between split elements.\n\t * @returns {module:engine/model/range~Range} result.range Range that stars from the end of the first split element and ends\n\t * at the beginning of the first copy element.\n\t */\n\tsplit( position, limitElement ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tlet splitElement = position.parent;\n\n\t\tif ( !splitElement.parent ) {\n\t\t\t/**\n\t\t\t * Element with no parent can not be split.\n\t\t\t *\n\t\t\t * @error writer-split-element-no-parent\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-split-element-no-parent', this );\n\t\t}\n\n\t\t// When limit element is not defined lets set splitElement parent as limit.\n\t\tif ( !limitElement ) {\n\t\t\tlimitElement = splitElement.parent;\n\t\t}\n\n\t\tif ( !position.parent.getAncestors( { includeSelf: true } ).includes( limitElement ) ) {\n\t\t\t/**\n\t\t\t * Limit element is not a position ancestor.\n\t\t\t *\n\t\t\t * @error writer-split-invalid-limit-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-split-invalid-limit-element', this );\n\t\t}\n\n\t\t// We need to cache elements that will be created as a result of the first split because\n\t\t// we need to create a range from the end of the first split element to the beginning of the\n\t\t// first copy element. This should be handled by LiveRange but it doesn't work on detached nodes.\n\t\tlet firstSplitElement, firstCopyElement;\n\n\t\tdo {\n\t\t\tconst version = splitElement.root.document ? splitElement.root.document.version : null;\n\t\t\tconst howMany = splitElement.maxOffset - position.offset;\n\t\t\tconst split = new SplitOperation( position, howMany, null, version );\n\n\t\t\tthis.batch.addOperation( split );\n\t\t\tthis.model.applyOperation( split );\n\n\t\t\t// Cache result of the first split.\n\t\t\tif ( !firstSplitElement && !firstCopyElement ) {\n\t\t\t\tfirstSplitElement = splitElement;\n\t\t\t\tfirstCopyElement = position.parent.nextSibling;\n\t\t\t}\n\n\t\t\tposition = this.createPositionAfter( position.parent );\n\t\t\tsplitElement = position.parent;\n\t\t} while ( splitElement !== limitElement );\n\n\t\treturn {\n\t\t\tposition,\n\t\t\trange: new Range( Position._createAt( firstSplitElement, 'end' ), Position._createAt( firstCopyElement, 0 ) )\n\t\t};\n\t}\n\n\t/**\n\t * Wraps the given range with the given element or with a new element (if a string was passed).\n\t *\n\t * **Note:** range to wrap should be a \"flat range\" (see {@link module:engine/model/range~Range#isFlat `Range#isFlat`}).\n\t * If not, an error will be thrown.\n\t *\n\t * @param {module:engine/model/range~Range} range Range to wrap.\n\t * @param {module:engine/model/element~Element|String} elementOrString Element or name of element to wrap the range with.\n\t */\n\twrap( range, elementOrString ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( !range.isFlat ) {\n\t\t\t/**\n\t\t\t * Range to wrap is not flat.\n\t\t\t *\n\t\t\t * @error writer-wrap-range-not-flat\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-wrap-range-not-flat', this );\n\t\t}\n\n\t\tconst element = elementOrString instanceof Element ? elementOrString : new Element( elementOrString );\n\n\t\tif ( element.childCount > 0 ) {\n\t\t\t/**\n\t\t\t * Element to wrap with is not empty.\n\t\t\t *\n\t\t\t * @error writer-wrap-element-not-empty\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-wrap-element-not-empty', this );\n\t\t}\n\n\t\tif ( element.parent !== null ) {\n\t\t\t/**\n\t\t\t * Element to wrap with is already attached to a tree model.\n\t\t\t *\n\t\t\t * @error writer-wrap-element-attached\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-wrap-element-attached', this );\n\t\t}\n\n\t\tthis.insert( element, range.start );\n\n\t\t// Shift the range-to-wrap because we just inserted an element before that range.\n\t\tconst shiftedRange = new Range( range.start.getShiftedBy( 1 ), range.end.getShiftedBy( 1 ) );\n\n\t\tthis.move( shiftedRange, Position._createAt( element, 0 ) );\n\t}\n\n\t/**\n\t * Unwraps children of the given element – all its children are moved before it and then the element is removed.\n\t * Throws error if you try to unwrap an element which does not have a parent.\n\t *\n\t * @param {module:engine/model/element~Element} element Element to unwrap.\n\t */\n\tunwrap( element ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( element.parent === null ) {\n\t\t\t/**\n\t\t\t * Trying to unwrap an element which has no parent.\n\t\t\t *\n\t\t\t * @error writer-unwrap-element-no-parent\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-unwrap-element-no-parent', this );\n\t\t}\n\n\t\tthis.move( Range._createIn( element ), this.createPositionAfter( element ) );\n\t\tthis.remove( element );\n\t}\n\n\t/**\n\t * Adds a {@link module:engine/model/markercollection~Marker marker}. Marker is a named range, which tracks\n\t * changes in the document and updates its range automatically, when model tree changes.\n\t *\n\t * As the first parameter you can set marker name.\n\t *\n\t * The required `options.usingOperation` parameter lets you decide if the marker should be managed by operations or not. See\n\t * {@link module:engine/model/markercollection~Marker marker class description} to learn about the difference between\n\t * markers managed by operations and not-managed by operations.\n\t *\n\t * The `options.affectsData` parameter, which defaults to `false`, allows you to define if a marker affects the data. It should be\n\t * `true` when the marker change changes the data returned by the\n\t * {@link module:core/editor/utils/dataapimixin~DataApi#getData `editor.getData()`} method.\n\t * When set to `true` it fires the {@link module:engine/model/document~Document#event:change:data `change:data`} event.\n\t * When set to `false` it fires the {@link module:engine/model/document~Document#event:change `change`} event.\n\t *\n\t * Create marker directly base on marker's name:\n\t *\n\t *\t\taddMarker( markerName, { range, usingOperation: false } );\n\t *\n\t * Create marker using operation:\n\t *\n\t *\t\taddMarker( markerName, { range, usingOperation: true } );\n\t *\n\t * Create marker that affects the editor data:\n\t *\n\t *\t\taddMarker( markerName, { range, usingOperation: false, affectsData: true } );\n\t *\n\t * Note: For efficiency reasons, it's best to create and keep as little markers as possible.\n\t *\n\t * @see module:engine/model/markercollection~Marker\n\t * @param {String} name Name of a marker to create - must be unique.\n\t * @param {Object} options\n\t * @param {Boolean} options.usingOperation Flag indicating that the marker should be added by MarkerOperation.\n\t * See {@link module:engine/model/markercollection~Marker#managedUsingOperations}.\n\t * @param {module:engine/model/range~Range} options.range Marker range.\n\t * @param {Boolean} [options.affectsData=false] Flag indicating that the marker changes the editor data.\n\t * @returns {module:engine/model/markercollection~Marker} Marker that was set.\n\t */\n\taddMarker( name, options ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( !options || typeof options.usingOperation != 'boolean' ) {\n\t\t\t/**\n\t\t\t * The `options.usingOperation` parameter is required when adding a new marker.\n\t\t\t *\n\t\t\t * @error writer-addmarker-no-usingoperation\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-addmarker-no-usingoperation', this );\n\t\t}\n\n\t\tconst usingOperation = options.usingOperation;\n\t\tconst range = options.range;\n\t\tconst affectsData = options.affectsData === undefined ? false : options.affectsData;\n\n\t\tif ( this.model.markers.has( name ) ) {\n\t\t\t/**\n\t\t\t * Marker with provided name already exists.\n\t\t\t *\n\t\t\t * @error writer-addmarker-marker-exists\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-addmarker-marker-exists', this );\n\t\t}\n\n\t\tif ( !range ) {\n\t\t\t/**\n\t\t\t * Range parameter is required when adding a new marker.\n\t\t\t *\n\t\t\t * @error writer-addmarker-no-range\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-addmarker-no-range', this );\n\t\t}\n\n\t\tif ( !usingOperation ) {\n\t\t\treturn this.model.markers._set( name, range, usingOperation, affectsData );\n\t\t}\n\n\t\tapplyMarkerOperation( this, name, null, range, affectsData );\n\n\t\treturn this.model.markers.get( name );\n\t}\n\n\t/**\n\t * Adds, updates or refreshes a {@link module:engine/model/markercollection~Marker marker}. Marker is a named range, which tracks\n\t * changes in the document and updates its range automatically, when model tree changes. Still, it is possible to change the\n\t * marker's range directly using this method.\n\t *\n\t * As the first parameter you can set marker name or instance. If none of them is provided, new marker, with a unique\n\t * name is created and returned.\n\t *\n\t * As the second parameter you can set the new marker data or leave this parameter as empty which will just refresh\n\t * the marker by triggering downcast conversion for it. Refreshing the marker is useful when you want to change\n\t * the marker {@link module:engine/view/element~Element view element} without changing any marker data.\n\t *\n\t * \t\tlet isCommentActive = false;\n\t *\n\t * \t\tmodel.conversion.markerToHighlight( {\n\t * \t\t\tmodel: 'comment',\n\t *\t\t\tview: data => {\n\t *\t\t\t\tconst classes = [ 'comment-marker' ];\n\t *\n\t *\t\t\t\tif ( isCommentActive ) {\n\t *\t\t\t\t\tclasses.push( 'comment-marker--active' );\n\t *\t\t\t\t}\n\t *\n\t *\t\t\t\treturn { classes };\n\t *\t\t\t}\n\t * \t\t} );\n\t *\n\t * \t\t// Change the property that indicates if marker is displayed as active or not.\n\t * \t\tisCommentActive = true;\n\t *\n\t * \t\t// And refresh the marker to convert it with additional class.\n\t * \t\tmodel.change( writer => writer.updateMarker( 'comment' ) );\n\t *\n\t * The `options.usingOperation` parameter lets you change if the marker should be managed by operations or not. See\n\t * {@link module:engine/model/markercollection~Marker marker class description} to learn about the difference between\n\t * markers managed by operations and not-managed by operations. It is possible to change this option for an existing marker.\n\t *\n\t * The `options.affectsData` parameter, which defaults to `false`, allows you to define if a marker affects the data. It should be\n\t * `true` when the marker change changes the data returned by\n\t * the {@link module:core/editor/utils/dataapimixin~DataApi#getData `editor.getData()`} method.\n\t * When set to `true` it fires the {@link module:engine/model/document~Document#event:change:data `change:data`} event.\n\t * When set to `false` it fires the {@link module:engine/model/document~Document#event:change `change`} event.\n\t *\n\t * Update marker directly base on marker's name:\n\t *\n\t *\t\tupdateMarker( markerName, { range } );\n\t *\n\t * Update marker using operation:\n\t *\n\t *\t\tupdateMarker( marker, { range, usingOperation: true } );\n\t *\t\tupdateMarker( markerName, { range, usingOperation: true } );\n\t *\n\t * Change marker's option (start using operations to manage it):\n\t *\n\t *\t\tupdateMarker( marker, { usingOperation: true } );\n\t *\n\t * Change marker's option (inform the engine, that the marker does not affect the data anymore):\n\t *\n\t *\t\tupdateMarker( markerName, { affectsData: false } );\n\t *\n\t * @see module:engine/model/markercollection~Marker\n\t * @param {String|module:engine/model/markercollection~Marker} markerOrName Name of a marker to update, or a marker instance.\n\t * @param {Object} [options] If options object is not defined then marker will be refreshed by triggering\n\t * downcast conversion for this marker with the same data.\n\t * @param {module:engine/model/range~Range} [options.range] Marker range to update.\n\t * @param {Boolean} [options.usingOperation] Flag indicated whether the marker should be added by MarkerOperation.\n\t * See {@link module:engine/model/markercollection~Marker#managedUsingOperations}.\n\t * @param {Boolean} [options.affectsData] Flag indicating that the marker changes the editor data.\n\t */\n\tupdateMarker( markerOrName, options ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst markerName = typeof markerOrName == 'string' ? markerOrName : markerOrName.name;\n\t\tconst currentMarker = this.model.markers.get( markerName );\n\n\t\tif ( !currentMarker ) {\n\t\t\t/**\n\t\t\t * Marker with provided name does not exists.\n\t\t\t *\n\t\t\t * @error writer-updatemarker-marker-not-exists\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-updatemarker-marker-not-exists', this );\n\t\t}\n\n\t\tif ( !options ) {\n\t\t\tthis.model.markers._refresh( currentMarker );\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst hasUsingOperationDefined = typeof options.usingOperation == 'boolean';\n\t\tconst affectsDataDefined = typeof options.affectsData == 'boolean';\n\n\t\t// Use previously defined marker's affectsData if the property is not provided.\n\t\tconst affectsData = affectsDataDefined ? options.affectsData : currentMarker.affectsData;\n\n\t\tif ( !hasUsingOperationDefined && !options.range && !affectsDataDefined ) {\n\t\t\t/**\n\t\t\t * One of the options is required - provide range, usingOperations or affectsData.\n\t\t\t *\n\t\t\t * @error writer-updatemarker-wrong-options\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-updatemarker-wrong-options', this );\n\t\t}\n\n\t\tconst currentRange = currentMarker.getRange();\n\t\tconst updatedRange = options.range ? options.range : currentRange;\n\n\t\tif ( hasUsingOperationDefined && options.usingOperation !== currentMarker.managedUsingOperations ) {\n\t\t\t// The marker type is changed so it's necessary to create proper operations.\n\t\t\tif ( options.usingOperation ) {\n\t\t\t\t// If marker changes to a managed one treat this as synchronizing existing marker.\n\t\t\t\t// Create `MarkerOperation` with `oldRange` set to `null`, so reverse operation will remove the marker.\n\t\t\t\tapplyMarkerOperation( this, markerName, null, updatedRange, affectsData );\n\t\t\t} else {\n\t\t\t\t// If marker changes to a marker that do not use operations then we need to create additional operation\n\t\t\t\t// that removes that marker first.\n\t\t\t\tapplyMarkerOperation( this, markerName, currentRange, null, affectsData );\n\n\t\t\t\t// Although not managed the marker itself should stay in model and its range should be preserver or changed to passed range.\n\t\t\t\tthis.model.markers._set( markerName, updatedRange, undefined, affectsData );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Marker's type doesn't change so update it accordingly.\n\t\tif ( currentMarker.managedUsingOperations ) {\n\t\t\tapplyMarkerOperation( this, markerName, currentRange, updatedRange, affectsData );\n\t\t} else {\n\t\t\tthis.model.markers._set( markerName, updatedRange, undefined, affectsData );\n\t\t}\n\t}\n\n\t/**\n\t * Removes given {@link module:engine/model/markercollection~Marker marker} or marker with given name.\n\t * The marker is removed accordingly to how it has been created, so if the marker was created using operation,\n\t * it will be destroyed using operation.\n\t *\n\t * @param {module:engine/model/markercollection~Marker|String} markerOrName Marker or marker name to remove.\n\t */\n\tremoveMarker( markerOrName ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst name = typeof markerOrName == 'string' ? markerOrName : markerOrName.name;\n\n\t\tif ( !this.model.markers.has( name ) ) {\n\t\t\t/**\n\t\t\t * Trying to remove marker which does not exist.\n\t\t\t *\n\t\t\t * @error writer-removemarker-no-marker\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-removemarker-no-marker', this );\n\t\t}\n\n\t\tconst marker = this.model.markers.get( name );\n\n\t\tif ( !marker.managedUsingOperations ) {\n\t\t\tthis.model.markers._remove( name );\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst oldRange = marker.getRange();\n\n\t\tapplyMarkerOperation( this, name, oldRange, null, marker.affectsData );\n\t}\n\n\t/**\n\t * Sets the document's selection (ranges and direction) to the specified location based on the given\n\t * {@link module:engine/model/selection~Selectable selectable} or creates an empty selection if no arguments were passed.\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\twriter.setSelection( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t *\t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\twriter.setSelection( ranges );\n\t *\n\t *\t\t// Sets selection to other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\twriter.setSelection( otherSelection );\n\t *\n\t *\t\t// Sets selection to the given document selection.\n\t *\t\tconst documentSelection = model.document.selection;\n\t *\t\twriter.setSelection( documentSelection );\n\t *\n\t *\t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPosition( root, path );\n\t *\t\twriter.setSelection( position );\n\t *\n\t *\t\t// Sets collapsed selection at the position of the given node and an offset.\n\t *\t\twriter.setSelection( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/model/element~Element element} which starts before the first child of\n \t * that element and ends after the last child of that element.\n\t *\n\t *\t\twriter.setSelection( paragraph, 'in' );\n\t *\n\t * Creates a range on an {@link module:engine/model/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\twriter.setSelection( paragraph, 'on' );\n\t *\n\t *\t\t// Removes all selection's ranges.\n\t *\t\twriter.setSelection( null );\n\t *\n\t * `Writer#setSelection()` allow passing additional options (`backward`) as the last argument.\n\t *\n\t *\t\t// Sets selection as backward.\n\t *\t\twriter.setSelection( range, { backward: true } );\n\t *\n\t * Throws `writer-incorrect-use` error when the writer is used outside the `change()` block.\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t */\n\tsetSelection( selectable, placeOrOffset, options ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tthis.model.document.selection._setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Moves {@link module:engine/model/documentselection~DocumentSelection#focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as\n\t * {@link #createPositionAt `writer.createPositionAt()`} parameters.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset=0] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tsetSelectionFocus( itemOrPosition, offset ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tthis.model.document.selection._setFocus( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Sets attribute(s) on the selection. If attribute with the same key already is set, it's value is overwritten.\n\t *\n\t * Using key and value pair:\n\t *\n\t * \twriter.setSelectionAttribute( 'italic', true );\n\t *\n\t * Using key-value object:\n\t *\n\t * \twriter.setSelectionAttribute( { italic: true, bold: false } );\n\t *\n\t * Using iterable object:\n\t *\n\t * \twriter.setSelectionAttribute( new Map( [ [ 'italic', true ] ] ) );\n\t *\n\t * @param {String|Object|Iterable.<*>} keyOrObjectOrIterable Key of the attribute to set\n\t * or object / iterable of key => value attribute pairs.\n\t * @param {*} [value] Attribute value.\n\t */\n\tsetSelectionAttribute( keyOrObjectOrIterable, value ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( typeof keyOrObjectOrIterable === 'string' ) {\n\t\t\tthis._setSelectionAttribute( keyOrObjectOrIterable, value );\n\t\t} else {\n\t\t\tfor ( const [ key, value ] of toMap( keyOrObjectOrIterable ) ) {\n\t\t\t\tthis._setSelectionAttribute( key, value );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Removes attribute(s) with given key(s) from the selection.\n\t *\n\t * Remove one attribute:\n\t *\n\t *\t\twriter.removeSelectionAttribute( 'italic' );\n\t *\n\t * Remove multiple attributes:\n\t *\n\t *\t\twriter.removeSelectionAttribute( [ 'italic', 'bold' ] );\n\t *\n\t * @param {String|Iterable.<String>} keyOrIterableOfKeys Key of the attribute to remove or an iterable of attribute keys to remove.\n\t */\n\tremoveSelectionAttribute( keyOrIterableOfKeys ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( typeof keyOrIterableOfKeys === 'string' ) {\n\t\t\tthis._removeSelectionAttribute( keyOrIterableOfKeys );\n\t\t} else {\n\t\t\tfor ( const key of keyOrIterableOfKeys ) {\n\t\t\t\tthis._removeSelectionAttribute( key );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Temporarily changes the {@link module:engine/model/documentselection~DocumentSelection#isGravityOverridden gravity}\n\t * of the selection from left to right.\n\t *\n\t * The gravity defines from which direction the selection inherits its attributes. If it's the default left gravity,\n\t * then the selection (after being moved by the user) inherits attributes from its left-hand side.\n\t * This method allows to temporarily override this behavior by forcing the gravity to the right.\n\t *\n\t * For the following model fragment:\n\t *\n\t *\t\t<$text bold=\"true\" linkHref=\"url\">bar[]</$text><$text bold=\"true\">biz</$text>\n\t *\n\t * * Default gravity: selection will have the `bold` and `linkHref` attributes.\n\t * * Overridden gravity: selection will have `bold` attribute.\n\t *\n\t * **Note**: It returns an unique identifier which is required to restore the gravity. It guarantees the symmetry\n\t * of the process.\n\t *\n\t * @returns {String} The unique id which allows restoring the gravity.\n\t */\n\toverrideSelectionGravity() {\n\t\treturn this.model.document.selection._overrideGravity();\n\t}\n\n\t/**\n\t * Restores {@link ~Writer#overrideSelectionGravity} gravity to default.\n\t *\n\t * Restoring the gravity is only possible using the unique identifier returned by\n\t * {@link ~Writer#overrideSelectionGravity}. Note that the gravity remains overridden as long as won't be restored\n\t * the same number of times it was overridden.\n\t *\n\t * @param {String} uid The unique id returned by {@link ~Writer#overrideSelectionGravity}.\n\t */\n\trestoreSelectionGravity( uid ) {\n\t\tthis.model.document.selection._restoreGravity( uid );\n\t}\n\n\t/**\n\t * @private\n\t * @param {String} key Key of the attribute to remove.\n\t * @param {*} value Attribute value.\n\t */\n\t_setSelectionAttribute( key, value ) {\n\t\tconst selection = this.model.document.selection;\n\n\t\t// Store attribute in parent element if the selection is collapsed in an empty node.\n\t\tif ( selection.isCollapsed && selection.anchor.parent.isEmpty ) {\n\t\t\tconst storeKey = DocumentSelection._getStoreAttributeKey( key );\n\n\t\t\tthis.setAttribute( storeKey, value, selection.anchor.parent );\n\t\t}\n\n\t\tselection._setAttribute( key, value );\n\t}\n\n\t/**\n\t * @private\n\t * @param {String} key Key of the attribute to remove.\n\t */\n\t_removeSelectionAttribute( key ) {\n\t\tconst selection = this.model.document.selection;\n\n\t\t// Remove stored attribute from parent element if the selection is collapsed in an empty node.\n\t\tif ( selection.isCollapsed && selection.anchor.parent.isEmpty ) {\n\t\t\tconst storeKey = DocumentSelection._getStoreAttributeKey( key );\n\n\t\t\tthis.removeAttribute( storeKey, selection.anchor.parent );\n\t\t}\n\n\t\tselection._removeAttribute( key );\n\t}\n\n\t/**\n\t * Throws `writer-detached-writer-tries-to-modify-model` error when the writer is used outside of the `change()` block.\n\t *\n\t * @private\n\t */\n\t_assertWriterUsedCorrectly() {\n\t\t/**\n\t\t * Trying to use a writer outside a {@link module:engine/model/model~Model#change `change()`} or\n\t\t * {@link module:engine/model/model~Model#enqueueChange `enqueueChange()`} blocks.\n\t\t *\n\t\t * The writer can only be used inside these blocks which ensures that the model\n\t\t * can only be changed during such \"sessions\".\n\t\t *\n\t\t * @error writer-incorrect-use\n\t\t */\n\t\tif ( this.model._currentWriter !== this ) {\n\t\t\tthrow new CKEditorError( 'writer-incorrect-use', this );\n\t\t}\n\t}\n\n\t/**\n\t * For given action `type` and `positionOrRange` where the action happens, this function finds all affected markers\n\t * and applies a marker operation with the new marker range equal to the current range. Thanks to this, the marker range\n\t * can be later correctly processed during undo.\n\t *\n\t * @private\n\t * @param {'move'|'merge'} type Writer action type.\n\t * @param {module:engine/model/position~Position|module:engine/model/range~Range} positionOrRange Position or range\n\t * where the writer action happens.\n\t */\n\t_addOperationForAffectedMarkers( type, positionOrRange ) {\n\t\tfor ( const marker of this.model.markers ) {\n\t\t\tif ( !marker.managedUsingOperations ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst markerRange = marker.getRange();\n\t\t\tlet isAffected = false;\n\n\t\t\tif ( type === 'move' ) {\n\t\t\t\tisAffected =\n\t\t\t\t\tpositionOrRange.containsPosition( markerRange.start ) ||\n\t\t\t\t\tpositionOrRange.start.isEqual( markerRange.start ) ||\n\t\t\t\t\tpositionOrRange.containsPosition( markerRange.end ) ||\n\t\t\t\t\tpositionOrRange.end.isEqual( markerRange.end );\n\t\t\t} else {\n\t\t\t\t// if type === 'merge'.\n\t\t\t\tconst elementBefore = positionOrRange.nodeBefore;\n\t\t\t\tconst elementAfter = positionOrRange.nodeAfter;\n\n\t\t\t\t//               Start:  <p>Foo[</p><p>Bar]</p>\n\t\t\t\t//         After merge:  <p>Foo[Bar]</p>\n\t\t\t\t// After undoing split:  <p>Foo</p><p>[Bar]</p>     <-- incorrect, needs remembering for undo.\n\t\t\t\t//\n\t\t\t\tconst affectedInLeftElement = markerRange.start.parent == elementBefore && markerRange.start.isAtEnd;\n\n\t\t\t\t//               Start:  <p>[Foo</p><p>]Bar</p>\n\t\t\t\t//         After merge:  <p>[Foo]Bar</p>\n\t\t\t\t// After undoing split:  <p>[Foo]</p><p>Bar</p>     <-- incorrect, needs remembering for undo.\n\t\t\t\t//\n\t\t\t\tconst affectedInRightElement = markerRange.end.parent == elementAfter && markerRange.end.offset == 0;\n\n\t\t\t\t//               Start:  <p>[Foo</p>]<p>Bar</p>\n\t\t\t\t//         After merge:  <p>[Foo]Bar</p>\n\t\t\t\t// After undoing split:  <p>[Foo]</p><p>Bar</p>     <-- incorrect, needs remembering for undo.\n\t\t\t\t//\n\t\t\t\tconst affectedAfterLeftElement = markerRange.end.nodeAfter == elementAfter;\n\n\t\t\t\t//               Start:  <p>Foo</p>[<p>Bar]</p>\n\t\t\t\t//         After merge:  <p>Foo[Bar]</p>\n\t\t\t\t// After undoing split:  <p>Foo</p><p>[Bar]</p>     <-- incorrect, needs remembering for undo.\n\t\t\t\t//\n\t\t\t\tconst affectedBeforeRightElement = markerRange.start.nodeAfter == elementAfter;\n\n\t\t\t\tisAffected = affectedInLeftElement || affectedInRightElement || affectedAfterLeftElement || affectedBeforeRightElement;\n\t\t\t}\n\n\t\t\tif ( isAffected ) {\n\t\t\t\tthis.updateMarker( marker.name, { range: markerRange } );\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Sets given attribute to each node in given range. When attribute value is null then attribute will be removed.\n//\n// Because attribute operation needs to have the same attribute value on the whole range, this function splits\n// the range into smaller parts.\n//\n// Given `range` must be flat.\n//\n// @private\n// @param {module:engine/model/writer~Writer} writer\n// @param {String} key Attribute key.\n// @param {*} value Attribute new value.\n// @param {module:engine/model/range~Range} range Model range on which the attribute will be set.\nfunction setAttributeOnRange( writer, key, value, range ) {\n\tconst model = writer.model;\n\tconst doc = model.document;\n\n\t// Position of the last split, the beginning of the new range.\n\tlet lastSplitPosition = range.start;\n\n\t// Currently position in the scanning range. Because we need value after the position, it is not a current\n\t// position of the iterator but the previous one (we need to iterate one more time to get the value after).\n\tlet position;\n\n\t// Value before the currently position.\n\tlet valueBefore;\n\n\t// Value after the currently position.\n\tlet valueAfter;\n\n\tfor ( const val of range.getWalker( { shallow: true } ) ) {\n\t\tvalueAfter = val.item.getAttribute( key );\n\n\t\t// At the first run of the iterator the position in undefined. We also do not have a valueBefore, but\n\t\t// because valueAfter may be null, valueBefore may be equal valueAfter ( undefined == null ).\n\t\tif ( position && valueBefore != valueAfter ) {\n\t\t\t// if valueBefore == value there is nothing to change, so we add operation only if these values are different.\n\t\t\tif ( valueBefore != value ) {\n\t\t\t\taddOperation();\n\t\t\t}\n\n\t\t\tlastSplitPosition = position;\n\t\t}\n\n\t\tposition = val.nextPosition;\n\t\tvalueBefore = valueAfter;\n\t}\n\n\t// Because position in the loop is not the iterator position (see let position comment), the last position in\n\t// the while loop will be last but one position in the range. We need to check the last position manually.\n\tif ( position instanceof Position && position != lastSplitPosition && valueBefore != value ) {\n\t\taddOperation();\n\t}\n\n\tfunction addOperation() {\n\t\tconst range = new Range( lastSplitPosition, position );\n\t\tconst version = range.root.document ? doc.version : null;\n\t\tconst operation = new AttributeOperation( range, key, valueBefore, value, version );\n\n\t\twriter.batch.addOperation( operation );\n\t\tmodel.applyOperation( operation );\n\t}\n}\n\n// Sets given attribute to the given node. When attribute value is null then attribute will be removed.\n//\n// @private\n// @param {module:engine/model/writer~Writer} writer\n// @param {String} key Attribute key.\n// @param {*} value Attribute new value.\n// @param {module:engine/model/item~Item} item Model item on which the attribute will be set.\nfunction setAttributeOnItem( writer, key, value, item ) {\n\tconst model = writer.model;\n\tconst doc = model.document;\n\tconst previousValue = item.getAttribute( key );\n\tlet range, operation;\n\n\tif ( previousValue != value ) {\n\t\tconst isRootChanged = item.root === item;\n\n\t\tif ( isRootChanged ) {\n\t\t\t// If we change attributes of root element, we have to use `RootAttributeOperation`.\n\t\t\tconst version = item.document ? doc.version : null;\n\n\t\t\toperation = new RootAttributeOperation( item, key, previousValue, value, version );\n\t\t} else {\n\t\t\trange = new Range( Position._createBefore( item ), writer.createPositionAfter( item ) );\n\n\t\t\tconst version = range.root.document ? doc.version : null;\n\n\t\t\toperation = new AttributeOperation( range, key, previousValue, value, version );\n\t\t}\n\n\t\twriter.batch.addOperation( operation );\n\t\tmodel.applyOperation( operation );\n\t}\n}\n\n// Creates and applies marker operation to {@link module:engine/model/operation/operation~Operation operation}.\n//\n// @private\n// @param {module:engine/model/writer~Writer} writer\n// @param {String} name Marker name.\n// @param {module:engine/model/range~Range} oldRange Marker range before the change.\n// @param {module:engine/model/range~Range} newRange Marker range after the change.\n// @param {Boolean} affectsData\nfunction applyMarkerOperation( writer, name, oldRange, newRange, affectsData ) {\n\tconst model = writer.model;\n\tconst doc = model.document;\n\n\tconst operation = new MarkerOperation( name, oldRange, newRange, model.markers, affectsData, doc.version );\n\n\twriter.batch.addOperation( operation );\n\tmodel.applyOperation( operation );\n}\n\n// Creates `MoveOperation` or `DetachOperation` that removes `howMany` nodes starting from `position`.\n// The operation will be applied on given model instance and added to given operation instance.\n//\n// @private\n// @param {module:engine/model/position~Position} position Position from which nodes are removed.\n// @param {Number} howMany Number of nodes to remove.\n// @param {Batch} batch Batch to which the operation will be added.\n// @param {module:engine/model/model~Model} model Model instance on which operation will be applied.\nfunction applyRemoveOperation( position, howMany, batch, model ) {\n\tlet operation;\n\n\tif ( position.root.document ) {\n\t\tconst doc = model.document;\n\t\tconst graveyardPosition = new Position( doc.graveyard, [ 0 ] );\n\n\t\toperation = new MoveOperation( position, howMany, graveyardPosition, doc.version );\n\t} else {\n\t\toperation = new DetachOperation( position, howMany );\n\t}\n\n\tbatch.addOperation( operation );\n\tmodel.applyOperation( operation );\n}\n\n// Returns `true` if both root elements are the same element or both are documents root elements.\n//\n// Elements in the same tree can be moved (for instance you can move element form one documents root to another, or\n// within the same document fragment), but when element supposed to be moved from document fragment to the document, or\n// to another document it should be removed and inserted to avoid problems with OT. This is because features like undo or\n// collaboration may track changes on the document but ignore changes on detached fragments and should not get\n// unexpected `move` operation.\nfunction isSameTree( rootA, rootB ) {\n\t// If it is the same root this is the same tree.\n\tif ( rootA === rootB ) {\n\t\treturn true;\n\t}\n\n\t// If both roots are documents root it is operation within the document what we still treat as the same tree.\n\tif ( rootA instanceof RootElement && rootB instanceof RootElement ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/differ\n */\n\nimport Position from './position';\nimport Range from './range';\n\n/**\n * Calculates the difference between two model states.\n *\n * Receives operations that are to be applied on the model document. Marks parts of the model document tree which\n * are changed and saves the state of these elements before the change. Then, it compares saved elements with the\n * changed elements, after all changes are applied on the model document. Calculates the diff between saved\n * elements and new ones and returns a change set.\n */\nexport default class Differ {\n\t/**\n\t * Creates a `Differ` instance.\n\t *\n\t * @param {module:engine/model/markercollection~MarkerCollection} markerCollection Model's marker collection.\n\t */\n\tconstructor( markerCollection ) {\n\t\t/**\n\t\t * Reference to the model's marker collection.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/markercollection~MarkerCollection}\n\t\t */\n\t\tthis._markerCollection = markerCollection;\n\n\t\t/**\n\t\t * A map that stores changes that happened in a given element.\n\t\t *\n\t\t * The keys of the map are references to the model elements.\n\t\t * The values of the map are arrays with changes that were done on this element.\n\t\t *\n\t\t * @private\n\t\t * @type {Map}\n\t\t */\n\t\tthis._changesInElement = new Map();\n\n\t\t/**\n\t\t * A map that stores \"element's children snapshots\". A snapshot is representing children of a given element before\n\t\t * the first change was applied on that element. Snapshot items are objects with two properties: `name`,\n\t\t * containing the element name (or `'$text'` for a text node) and `attributes` which is a map of the node's attributes.\n\t\t *\n\t\t * @private\n\t\t * @type {Map}\n\t\t */\n\t\tthis._elementSnapshots = new Map();\n\n\t\t/**\n\t\t * A map that stores all changed markers.\n\t\t *\n\t\t * The keys of the map are marker names.\n\t\t * The values of the map are objects with the `oldRange` and `newRange` properties. They store the marker range\n\t\t * state before and after the change.\n\t\t *\n\t\t * @private\n\t\t * @type {Map}\n\t\t */\n\t\tthis._changedMarkers = new Map();\n\n\t\t/**\n\t\t * Stores the number of changes that were processed. Used to order the changes chronologically. It is important\n\t\t * when changes are sorted.\n\t\t *\n\t\t * @private\n\t\t * @type {Number}\n\t\t */\n\t\tthis._changeCount = 0;\n\n\t\t/**\n\t\t * For efficiency purposes, `Differ` stores the change set returned by the differ after {@link #getChanges} call.\n\t\t * Cache is reset each time a new operation is buffered. If the cache has not been reset, {@link #getChanges} will\n\t\t * return the cached value instead of calculating it again.\n\t\t *\n\t\t * This property stores those changes that did not take place in graveyard root.\n\t\t *\n\t\t * @private\n\t\t * @type {Array.<Object>|null}\n\t\t */\n\t\tthis._cachedChanges = null;\n\n\t\t/**\n\t\t * For efficiency purposes, `Differ` stores the change set returned by the differ after the {@link #getChanges} call.\n\t\t * The cache is reset each time a new operation is buffered. If the cache has not been reset, {@link #getChanges} will\n\t\t * return the cached value instead of calculating it again.\n\t\t *\n\t\t * This property stores all changes evaluated by `Differ`, including those that took place in the graveyard.\n\t\t *\n\t\t * @private\n\t\t * @type {Array.<Object>|null}\n\t\t */\n\t\tthis._cachedChangesWithGraveyard = null;\n\t}\n\n\t/**\n\t * Informs whether there are any changes buffered in `Differ`.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this._changesInElement.size == 0 && this._changedMarkers.size == 0;\n\t}\n\n\t/**\n\t * Marks given `item` in differ to be \"refreshed\". It means that the item will be marked as removed and inserted in the differ changes\n\t * set, so it will be effectively re-converted when differ changes will be handled by a dispatcher.\n\t *\n\t * @param {module:engine/model/item~Item} item Item to refresh.\n\t */\n\trefreshItem( item ) {\n\t\tif ( this._isInInsertedElement( item.parent ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._markRemove( item.parent, item.startOffset, item.offsetSize );\n\t\tthis._markInsert( item.parent, item.startOffset, item.offsetSize );\n\n\t\tconst range = Range._createOn( item );\n\n\t\tfor ( const marker of this._markerCollection.getMarkersIntersectingRange( range ) ) {\n\t\t\tconst markerRange = marker.getRange();\n\n\t\t\tthis.bufferMarkerChange( marker.name, markerRange, markerRange, marker.affectsData );\n\t\t}\n\n\t\t// Clear cache after each buffered operation as it is no longer valid.\n\t\tthis._cachedChanges = null;\n\t}\n\n\t/**\n\t * Buffers the given operation. An operation has to be buffered before it is executed.\n\t *\n\t * Operation type is checked and it is checked which nodes it will affect. These nodes are then stored in `Differ`\n\t * in the state before the operation is executed.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation An operation to buffer.\n\t */\n\tbufferOperation( operation ) {\n\t\t// Below we take an operation, check its type, then use its parameters in marking (private) methods.\n\t\t// The general rule is to not mark elements inside inserted element. All inserted elements are re-rendered.\n\t\t// Marking changes in them would cause a \"double\" changing then.\n\t\t//\n\t\tswitch ( operation.type ) {\n\t\t\tcase 'insert': {\n\t\t\t\tif ( this._isInInsertedElement( operation.position.parent ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tthis._markInsert( operation.position.parent, operation.position.offset, operation.nodes.maxOffset );\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'addAttribute':\n\t\t\tcase 'removeAttribute':\n\t\t\tcase 'changeAttribute': {\n\t\t\t\tfor ( const item of operation.range.getItems( { shallow: true } ) ) {\n\t\t\t\t\tif ( this._isInInsertedElement( item.parent ) ) {\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._markAttribute( item );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'remove':\n\t\t\tcase 'move':\n\t\t\tcase 'reinsert': {\n\t\t\t\t// When range is moved to the same position then not mark it as a change.\n\t\t\t\t// See: https://github.com/ckeditor/ckeditor5-engine/issues/1664.\n\t\t\t\tif (\n\t\t\t\t\toperation.sourcePosition.isEqual( operation.targetPosition ) ||\n\t\t\t\t\toperation.sourcePosition.getShiftedBy( operation.howMany ).isEqual( operation.targetPosition )\n\t\t\t\t) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst sourceParentInserted = this._isInInsertedElement( operation.sourcePosition.parent );\n\t\t\t\tconst targetParentInserted = this._isInInsertedElement( operation.targetPosition.parent );\n\n\t\t\t\tif ( !sourceParentInserted ) {\n\t\t\t\t\tthis._markRemove( operation.sourcePosition.parent, operation.sourcePosition.offset, operation.howMany );\n\t\t\t\t}\n\n\t\t\t\tif ( !targetParentInserted ) {\n\t\t\t\t\tthis._markInsert( operation.targetPosition.parent, operation.getMovedRangeStart().offset, operation.howMany );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'rename': {\n\t\t\t\tif ( this._isInInsertedElement( operation.position.parent ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tthis._markRemove( operation.position.parent, operation.position.offset, 1 );\n\t\t\t\tthis._markInsert( operation.position.parent, operation.position.offset, 1 );\n\n\t\t\t\tconst range = Range._createFromPositionAndShift( operation.position, 1 );\n\n\t\t\t\tfor ( const marker of this._markerCollection.getMarkersIntersectingRange( range ) ) {\n\t\t\t\t\tconst markerRange = marker.getRange();\n\n\t\t\t\t\tthis.bufferMarkerChange( marker.name, markerRange, markerRange, marker.affectsData );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'split': {\n\t\t\t\tconst splitElement = operation.splitPosition.parent;\n\n\t\t\t\t// Mark that children of the split element were removed.\n\t\t\t\tif ( !this._isInInsertedElement( splitElement ) ) {\n\t\t\t\t\tthis._markRemove( splitElement, operation.splitPosition.offset, operation.howMany );\n\t\t\t\t}\n\n\t\t\t\t// Mark that the new element (split copy) was inserted.\n\t\t\t\tif ( !this._isInInsertedElement( operation.insertionPosition.parent ) ) {\n\t\t\t\t\tthis._markInsert( operation.insertionPosition.parent, operation.insertionPosition.offset, 1 );\n\t\t\t\t}\n\n\t\t\t\t// If the split took the element from the graveyard, mark that the element from the graveyard was removed.\n\t\t\t\tif ( operation.graveyardPosition ) {\n\t\t\t\t\tthis._markRemove( operation.graveyardPosition.parent, operation.graveyardPosition.offset, 1 );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'merge': {\n\t\t\t\t// Mark that the merged element was removed.\n\t\t\t\tconst mergedElement = operation.sourcePosition.parent;\n\n\t\t\t\tif ( !this._isInInsertedElement( mergedElement.parent ) ) {\n\t\t\t\t\tthis._markRemove( mergedElement.parent, mergedElement.startOffset, 1 );\n\t\t\t\t}\n\n\t\t\t\t// Mark that the merged element was inserted into graveyard.\n\t\t\t\tconst graveyardParent = operation.graveyardPosition.parent;\n\n\t\t\t\tthis._markInsert( graveyardParent, operation.graveyardPosition.offset, 1 );\n\n\t\t\t\t// Mark that children of merged element were inserted at new parent.\n\t\t\t\tconst mergedIntoElement = operation.targetPosition.parent;\n\n\t\t\t\tif ( !this._isInInsertedElement( mergedIntoElement ) ) {\n\t\t\t\t\tthis._markInsert( mergedIntoElement, operation.targetPosition.offset, mergedElement.maxOffset );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\t// Clear cache after each buffered operation as it is no longer valid.\n\t\tthis._cachedChanges = null;\n\t}\n\n\t/**\n\t * Buffers a marker change.\n\t *\n\t * @param {String} markerName The name of the marker that changed.\n\t * @param {module:engine/model/range~Range|null} oldRange Marker range before the change or `null` if the marker has just\n\t * been created.\n\t * @param {module:engine/model/range~Range|null} newRange Marker range after the change or `null` if the marker was removed.\n\t * @param {Boolean} affectsData Flag indicating whether marker affects the editor data.\n\t */\n\tbufferMarkerChange( markerName, oldRange, newRange, affectsData ) {\n\t\tconst buffered = this._changedMarkers.get( markerName );\n\n\t\tif ( !buffered ) {\n\t\t\tthis._changedMarkers.set( markerName, {\n\t\t\t\toldRange,\n\t\t\t\tnewRange,\n\t\t\t\taffectsData\n\t\t\t} );\n\t\t} else {\n\t\t\tbuffered.newRange = newRange;\n\t\t\tbuffered.affectsData = affectsData;\n\n\t\t\tif ( buffered.oldRange == null && buffered.newRange == null ) {\n\t\t\t\t// The marker is going to be removed (`newRange == null`) but it did not exist before the first buffered change\n\t\t\t\t// (`buffered.oldRange == null`). In this case, do not keep the marker in buffer at all.\n\t\t\t\tthis._changedMarkers.delete( markerName );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns all markers that should be removed as a result of buffered changes.\n\t *\n\t * @returns {Array.<Object>} Markers to remove. Each array item is an object containing the `name` and `range` properties.\n\t */\n\tgetMarkersToRemove() {\n\t\tconst result = [];\n\n\t\tfor ( const [ name, change ] of this._changedMarkers ) {\n\t\t\tif ( change.oldRange != null ) {\n\t\t\t\tresult.push( { name, range: change.oldRange } );\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Returns all markers which should be added as a result of buffered changes.\n\t *\n\t * @returns {Array.<Object>} Markers to add. Each array item is an object containing the `name` and `range` properties.\n\t */\n\tgetMarkersToAdd() {\n\t\tconst result = [];\n\n\t\tfor ( const [ name, change ] of this._changedMarkers ) {\n\t\t\tif ( change.newRange != null ) {\n\t\t\t\tresult.push( { name, range: change.newRange } );\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Returns all markers which changed.\n\t *\n\t * @returns {Array.<Object>}\n\t */\n\tgetChangedMarkers() {\n\t\treturn Array.from( this._changedMarkers ).map( item => (\n\t\t\t{\n\t\t\t\tname: item[ 0 ],\n\t\t\t\tdata: {\n\t\t\t\t\toldRange: item[ 1 ].oldRange,\n\t\t\t\t\tnewRange: item[ 1 ].newRange\n\t\t\t\t}\n\t\t\t}\n\t\t) );\n\t}\n\n\t/**\n\t * Checks whether some of the buffered changes affect the editor data.\n\t *\n\t * Types of changes which affect the editor data:\n\t *\n\t * * model structure changes,\n\t * * attribute changes,\n\t * * changes of markers which were defined as `affectingData`.\n\t *\n\t * @returns {Boolean}\n\t */\n\thasDataChanges() {\n\t\tfor ( const [ , change ] of this._changedMarkers ) {\n\t\t\tif ( change.affectsData ) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\n\t\t// If markers do not affect the data, check whether there are some changes in elements.\n\t\treturn this._changesInElement.size > 0;\n\t}\n\n\t/**\n\t * Calculates the diff between the old model tree state (the state before the first buffered operations since the last {@link #reset}\n\t * call) and the new model tree state (actual one). It should be called after all buffered operations are executed.\n\t *\n\t * The diff set is returned as an array of diff items, each describing a change done on the model. The items are sorted by\n\t * the position on which the change happened. If a position {@link module:engine/model/position~Position#isBefore is before}\n\t * another one, it will be on an earlier index in the diff set.\n\t *\n\t * Because calculating the diff is a costly operation, the result is cached. If no new operation was buffered since the\n\t * previous {@link #getChanges} call, the next call will return the cached value.\n\t *\n\t * @param {Object} options Additional options.\n\t * @param {Boolean} [options.includeChangesInGraveyard=false] If set to `true`, also changes that happened\n\t * in the graveyard root will be returned. By default, changes in the graveyard root are not returned.\n\t * @returns {Array.<Object>} Diff between the old and the new model tree state.\n\t */\n\tgetChanges( options = { includeChangesInGraveyard: false } ) {\n\t\t// If there are cached changes, just return them instead of calculating changes again.\n\t\tif ( this._cachedChanges ) {\n\t\t\tif ( options.includeChangesInGraveyard ) {\n\t\t\t\treturn this._cachedChangesWithGraveyard.slice();\n\t\t\t} else {\n\t\t\t\treturn this._cachedChanges.slice();\n\t\t\t}\n\t\t}\n\n\t\t// Will contain returned results.\n\t\tlet diffSet = [];\n\n\t\t// Check all changed elements.\n\t\tfor ( const element of this._changesInElement.keys() ) {\n\t\t\t// Get changes for this element and sort them.\n\t\t\tconst changes = this._changesInElement.get( element ).sort( ( a, b ) => {\n\t\t\t\tif ( a.offset === b.offset ) {\n\t\t\t\t\tif ( a.type != b.type ) {\n\t\t\t\t\t\t// If there are multiple changes at the same position, \"remove\" change should be first.\n\t\t\t\t\t\t// If the order is different, for example, we would first add some nodes and then removed them\n\t\t\t\t\t\t// (instead of the nodes that we should remove).\n\t\t\t\t\t\treturn a.type == 'remove' ? -1 : 1;\n\t\t\t\t\t}\n\n\t\t\t\t\treturn 0;\n\t\t\t\t}\n\n\t\t\t\treturn a.offset < b.offset ? -1 : 1;\n\t\t\t} );\n\n\t\t\t// Get children of this element before any change was applied on it.\n\t\t\tconst snapshotChildren = this._elementSnapshots.get( element );\n\t\t\t// Get snapshot of current element's children.\n\t\t\tconst elementChildren = _getChildrenSnapshot( element.getChildren() );\n\n\t\t\t// Generate actions basing on changes done on element.\n\t\t\tconst actions = _generateActionsFromChanges( snapshotChildren.length, changes );\n\n\t\t\tlet i = 0; // Iterator in `elementChildren` array -- iterates through current children of element.\n\t\t\tlet j = 0; // Iterator in `snapshotChildren` array -- iterates through old children of element.\n\n\t\t\t// Process every action.\n\t\t\tfor ( const action of actions ) {\n\t\t\t\tif ( action === 'i' ) {\n\t\t\t\t\t// Generate diff item for this element and insert it into the diff set.\n\t\t\t\t\tdiffSet.push( this._getInsertDiff( element, i, elementChildren[ i ].name ) );\n\n\t\t\t\t\ti++;\n\t\t\t\t} else if ( action === 'r' ) {\n\t\t\t\t\t// Generate diff item for this element and insert it into the diff set.\n\t\t\t\t\tdiffSet.push( this._getRemoveDiff( element, i, snapshotChildren[ j ].name ) );\n\n\t\t\t\t\tj++;\n\t\t\t\t} else if ( action === 'a' ) {\n\t\t\t\t\t// Take attributes from saved and current children.\n\t\t\t\t\tconst elementAttributes = elementChildren[ i ].attributes;\n\t\t\t\t\tconst snapshotAttributes = snapshotChildren[ j ].attributes;\n\t\t\t\t\tlet range;\n\n\t\t\t\t\tif ( elementChildren[ i ].name == '$text' ) {\n\t\t\t\t\t\trange = new Range( Position._createAt( element, i ), Position._createAt( element, i + 1 ) );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tconst index = element.offsetToIndex( i );\n\t\t\t\t\t\trange = new Range( Position._createAt( element, i ), Position._createAt( element.getChild( index ), 0 ) );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Generate diff items for this change (there might be multiple attributes changed and\n\t\t\t\t\t// there is a single diff for each of them) and insert them into the diff set.\n\t\t\t\t\tdiffSet.push( ...this._getAttributesDiff( range, snapshotAttributes, elementAttributes ) );\n\n\t\t\t\t\ti++;\n\t\t\t\t\tj++;\n\t\t\t\t} else {\n\t\t\t\t\t// `action` is 'equal'. Child not changed.\n\t\t\t\t\ti++;\n\t\t\t\t\tj++;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Then, sort the changes by the position (change at position before other changes is first).\n\t\tdiffSet.sort( ( a, b ) => {\n\t\t\t// If the change is in different root, we don't care much, but we'd like to have all changes in given\n\t\t\t// root \"together\" in the array. So let's just sort them by the root name. It does not matter which root\n\t\t\t// will be processed first.\n\t\t\tif ( a.position.root != b.position.root ) {\n\t\t\t\treturn a.position.root.rootName < b.position.root.rootName ? -1 : 1;\n\t\t\t}\n\n\t\t\t// If change happens at the same position...\n\t\t\tif ( a.position.isEqual( b.position ) ) {\n\t\t\t\t// Keep chronological order of operations.\n\t\t\t\treturn a.changeCount - b.changeCount;\n\t\t\t}\n\n\t\t\t// If positions differ, position \"on the left\" should be earlier in the result.\n\t\t\treturn a.position.isBefore( b.position ) ? -1 : 1;\n\t\t} );\n\n\t\t// Glue together multiple changes (mostly on text nodes).\n\t\tfor ( let i = 1, prevIndex = 0; i < diffSet.length; i++ ) {\n\t\t\tconst prevDiff = diffSet[ prevIndex ];\n\t\t\tconst thisDiff = diffSet[ i ];\n\n\t\t\t// Glue remove changes if they happen on text on same position.\n\t\t\tconst isConsecutiveTextRemove =\n\t\t\t\tprevDiff.type == 'remove' && thisDiff.type == 'remove' &&\n\t\t\t\tprevDiff.name == '$text' && thisDiff.name == '$text' &&\n\t\t\t\tprevDiff.position.isEqual( thisDiff.position );\n\n\t\t\t// Glue insert changes if they happen on text on consecutive fragments.\n\t\t\tconst isConsecutiveTextAdd =\n\t\t\t\tprevDiff.type == 'insert' && thisDiff.type == 'insert' &&\n\t\t\t\tprevDiff.name == '$text' && thisDiff.name == '$text' &&\n\t\t\t\tprevDiff.position.parent == thisDiff.position.parent &&\n\t\t\t\tprevDiff.position.offset + prevDiff.length == thisDiff.position.offset;\n\n\t\t\t// Glue attribute changes if they happen on consecutive fragments and have same key, old value and new value.\n\t\t\tconst isConsecutiveAttributeChange =\n\t\t\t\tprevDiff.type == 'attribute' && thisDiff.type == 'attribute' &&\n\t\t\t\tprevDiff.position.parent == thisDiff.position.parent &&\n\t\t\t\tprevDiff.range.isFlat && thisDiff.range.isFlat &&\n\t\t\t\tprevDiff.position.offset + prevDiff.length == thisDiff.position.offset &&\n\t\t\t\tprevDiff.attributeKey == thisDiff.attributeKey &&\n\t\t\t\tprevDiff.attributeOldValue == thisDiff.attributeOldValue &&\n\t\t\t\tprevDiff.attributeNewValue == thisDiff.attributeNewValue;\n\n\t\t\tif ( isConsecutiveTextRemove || isConsecutiveTextAdd || isConsecutiveAttributeChange ) {\n\t\t\t\tprevDiff.length++;\n\n\t\t\t\tif ( isConsecutiveAttributeChange ) {\n\t\t\t\t\tprevDiff.range.end = prevDiff.range.end.getShiftedBy( 1 );\n\t\t\t\t}\n\n\t\t\t\tdiffSet[ i ] = null;\n\t\t\t} else {\n\t\t\t\tprevIndex = i;\n\t\t\t}\n\t\t}\n\n\t\tdiffSet = diffSet.filter( v => v );\n\n\t\t// Remove `changeCount` property from diff items. It is used only for sorting and is internal thing.\n\t\tfor ( const item of diffSet ) {\n\t\t\tdelete item.changeCount;\n\n\t\t\tif ( item.type == 'attribute' ) {\n\t\t\t\tdelete item.position;\n\t\t\t\tdelete item.length;\n\t\t\t}\n\t\t}\n\n\t\tthis._changeCount = 0;\n\n\t\t// Cache changes.\n\t\tthis._cachedChangesWithGraveyard = diffSet.slice();\n\t\tthis._cachedChanges = diffSet.filter( _changesInGraveyardFilter );\n\n\t\tif ( options.includeChangesInGraveyard ) {\n\t\t\treturn this._cachedChangesWithGraveyard;\n\t\t} else {\n\t\t\treturn this._cachedChanges;\n\t\t}\n\t}\n\n\t/**\n\t * Resets `Differ`. Removes all buffered changes.\n\t */\n\treset() {\n\t\tthis._changesInElement.clear();\n\t\tthis._elementSnapshots.clear();\n\t\tthis._changedMarkers.clear();\n\t\tthis._cachedChanges = null;\n\t}\n\n\t/**\n\t * Saves and handles an insert change.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent\n\t * @param {Number} offset\n\t * @param {Number} howMany\n\t */\n\t_markInsert( parent, offset, howMany ) {\n\t\tconst changeItem = { type: 'insert', offset, howMany, count: this._changeCount++ };\n\n\t\tthis._markChange( parent, changeItem );\n\t}\n\n\t/**\n\t * Saves and handles a remove change.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent\n\t * @param {Number} offset\n\t * @param {Number} howMany\n\t */\n\t_markRemove( parent, offset, howMany ) {\n\t\tconst changeItem = { type: 'remove', offset, howMany, count: this._changeCount++ };\n\n\t\tthis._markChange( parent, changeItem );\n\n\t\tthis._removeAllNestedChanges( parent, offset, howMany );\n\t}\n\n\t/**\n\t * Saves and handles an attribute change.\n\t *\n\t * @private\n\t * @param {module:engine/model/item~Item} item\n\t */\n\t_markAttribute( item ) {\n\t\tconst changeItem = { type: 'attribute', offset: item.startOffset, howMany: item.offsetSize, count: this._changeCount++ };\n\n\t\tthis._markChange( item.parent, changeItem );\n\t}\n\n\t/**\n\t * Saves and handles a model change.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent\n\t * @param {Object} changeItem\n\t */\n\t_markChange( parent, changeItem ) {\n\t\t// First, make a snapshot of this parent's children (it will be made only if it was not made before).\n\t\tthis._makeSnapshot( parent );\n\n\t\t// Then, get all changes that already were done on the element (empty array if this is the first change).\n\t\tconst changes = this._getChangesForElement( parent );\n\n\t\t// Then, look through all the changes, and transform them or the new change.\n\t\tthis._handleChange( changeItem, changes );\n\n\t\t// Add the new change.\n\t\tchanges.push( changeItem );\n\n\t\t// Remove incorrect changes. During transformation some change might be, for example, included in another.\n\t\t// In that case, the change will have `howMany` property set to `0` or less. We need to remove those changes.\n\t\tfor ( let i = 0; i < changes.length; i++ ) {\n\t\t\tif ( changes[ i ].howMany < 1 ) {\n\t\t\t\tchanges.splice( i, 1 );\n\n\t\t\t\ti--;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Gets an array of changes that have already been saved for a given element.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} element\n\t * @returns {Array.<Object>}\n\t */\n\t_getChangesForElement( element ) {\n\t\tlet changes;\n\n\t\tif ( this._changesInElement.has( element ) ) {\n\t\t\tchanges = this._changesInElement.get( element );\n\t\t} else {\n\t\t\tchanges = [];\n\n\t\t\tthis._changesInElement.set( element, changes );\n\t\t}\n\n\t\treturn changes;\n\t}\n\n\t/**\n\t * Saves a children snapshot for a given element.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} element\n\t */\n\t_makeSnapshot( element ) {\n\t\tif ( !this._elementSnapshots.has( element ) ) {\n\t\t\tthis._elementSnapshots.set( element, _getChildrenSnapshot( element.getChildren() ) );\n\t\t}\n\t}\n\n\t/**\n\t * For a given newly saved change, compares it with a change already done on the element and modifies the incoming\n\t * change and/or the old change.\n\t *\n\t * @private\n\t * @param {Object} inc Incoming (new) change.\n\t * @param {Array.<Object>} changes An array containing all the changes done on that element.\n\t */\n\t_handleChange( inc, changes ) {\n\t\t// We need a helper variable that will store how many nodes are to be still handled for this change item.\n\t\t// `nodesToHandle` (how many nodes still need to be handled) and `howMany` (how many nodes were affected)\n\t\t// needs to be differentiated.\n\t\t//\n\t\t// This comes up when there are multiple changes that are affected by `inc` change item.\n\t\t//\n\t\t// For example: assume two insert changes: `{ offset: 2, howMany: 1 }` and `{ offset: 5, howMany: 1 }`.\n\t\t// Assume that `inc` change is remove `{ offset: 2, howMany: 2, nodesToHandle: 2 }`.\n\t\t//\n\t\t// Then, we:\n\t\t// - \"forget\" about first insert change (it is \"eaten\" by remove),\n\t\t// - because of that, at the end we will want to remove only one node (`nodesToHandle = 1`),\n\t\t// - but still we have to change offset of the second insert change from `5` to `3`!\n\t\t//\n\t\t// So, `howMany` does not change throughout items transformation and keeps information about how many nodes were affected,\n\t\t// while `nodesToHandle` means how many nodes need to be handled after the change item is transformed by other changes.\n\t\tinc.nodesToHandle = inc.howMany;\n\n\t\tfor ( const old of changes ) {\n\t\t\tconst incEnd = inc.offset + inc.howMany;\n\t\t\tconst oldEnd = old.offset + old.howMany;\n\n\t\t\tif ( inc.type == 'insert' ) {\n\t\t\t\tif ( old.type == 'insert' ) {\n\t\t\t\t\tif ( inc.offset <= old.offset ) {\n\t\t\t\t\t\told.offset += inc.howMany;\n\t\t\t\t\t} else if ( inc.offset < oldEnd ) {\n\t\t\t\t\t\told.howMany += inc.nodesToHandle;\n\t\t\t\t\t\tinc.nodesToHandle = 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'remove' ) {\n\t\t\t\t\tif ( inc.offset < old.offset ) {\n\t\t\t\t\t\told.offset += inc.howMany;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'attribute' ) {\n\t\t\t\t\tif ( inc.offset <= old.offset ) {\n\t\t\t\t\t\told.offset += inc.howMany;\n\t\t\t\t\t} else if ( inc.offset < oldEnd ) {\n\t\t\t\t\t\t// This case is more complicated, because attribute change has to be split into two.\n\t\t\t\t\t\t// Example (assume that uppercase and lowercase letters mean different attributes):\n\t\t\t\t\t\t//\n\t\t\t\t\t\t// initial state:\t\tabcxyz\n\t\t\t\t\t\t// attribute change:\taBCXYz\n\t\t\t\t\t\t// incoming insert:\t\taBCfooXYz\n\t\t\t\t\t\t//\n\t\t\t\t\t\t// Change ranges cannot intersect because each item has to be described exactly (it was either\n\t\t\t\t\t\t// not changed, inserted, removed, or its attribute was changed). That's why old attribute\n\t\t\t\t\t\t// change has to be split and both parts has to be handled separately from now on.\n\t\t\t\t\t\tconst howMany = old.howMany;\n\n\t\t\t\t\t\told.howMany = inc.offset - old.offset;\n\n\t\t\t\t\t\t// Add the second part of attribute change to the beginning of processed array so it won't\n\t\t\t\t\t\t// be processed again in this loop.\n\t\t\t\t\t\tchanges.unshift( {\n\t\t\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\t\t\toffset: incEnd,\n\t\t\t\t\t\t\thowMany: howMany - old.howMany,\n\t\t\t\t\t\t\tcount: this._changeCount++\n\t\t\t\t\t\t} );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( inc.type == 'remove' ) {\n\t\t\t\tif ( old.type == 'insert' ) {\n\t\t\t\t\tif ( incEnd <= old.offset ) {\n\t\t\t\t\t\told.offset -= inc.howMany;\n\t\t\t\t\t} else if ( incEnd <= oldEnd ) {\n\t\t\t\t\t\tif ( inc.offset < old.offset ) {\n\t\t\t\t\t\t\tconst intersectionLength = incEnd - old.offset;\n\n\t\t\t\t\t\t\told.offset = inc.offset;\n\n\t\t\t\t\t\t\told.howMany -= intersectionLength;\n\t\t\t\t\t\t\tinc.nodesToHandle -= intersectionLength;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\told.howMany -= inc.nodesToHandle;\n\t\t\t\t\t\t\tinc.nodesToHandle = 0;\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tif ( inc.offset <= old.offset ) {\n\t\t\t\t\t\t\tinc.nodesToHandle -= old.howMany;\n\t\t\t\t\t\t\told.howMany = 0;\n\t\t\t\t\t\t} else if ( inc.offset < oldEnd ) {\n\t\t\t\t\t\t\tconst intersectionLength = oldEnd - inc.offset;\n\n\t\t\t\t\t\t\told.howMany -= intersectionLength;\n\t\t\t\t\t\t\tinc.nodesToHandle -= intersectionLength;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'remove' ) {\n\t\t\t\t\tif ( incEnd <= old.offset ) {\n\t\t\t\t\t\told.offset -= inc.howMany;\n\t\t\t\t\t} else if ( inc.offset < old.offset ) {\n\t\t\t\t\t\tinc.nodesToHandle += old.howMany;\n\t\t\t\t\t\told.howMany = 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'attribute' ) {\n\t\t\t\t\tif ( incEnd <= old.offset ) {\n\t\t\t\t\t\told.offset -= inc.howMany;\n\t\t\t\t\t} else if ( inc.offset < old.offset ) {\n\t\t\t\t\t\tconst intersectionLength = incEnd - old.offset;\n\n\t\t\t\t\t\told.offset = inc.offset;\n\t\t\t\t\t\told.howMany -= intersectionLength;\n\t\t\t\t\t} else if ( inc.offset < oldEnd ) {\n\t\t\t\t\t\tif ( incEnd <= oldEnd ) {\n\t\t\t\t\t\t\t// On first sight in this case we don't need to split attribute operation into two.\n\t\t\t\t\t\t\t// However the changes set is later converted to actions (see `_generateActionsFromChanges`).\n\t\t\t\t\t\t\t// For that reason, no two changes may intersect.\n\t\t\t\t\t\t\t// So we cannot have an attribute change that \"contains\" remove change.\n\t\t\t\t\t\t\t// Attribute change needs to be split.\n\t\t\t\t\t\t\tconst howMany = old.howMany;\n\n\t\t\t\t\t\t\told.howMany = inc.offset - old.offset;\n\n\t\t\t\t\t\t\tconst howManyAfter = howMany - old.howMany - inc.nodesToHandle;\n\n\t\t\t\t\t\t\t// Add the second part of attribute change to the beginning of processed array so it won't\n\t\t\t\t\t\t\t// be processed again in this loop.\n\t\t\t\t\t\t\tchanges.unshift( {\n\t\t\t\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\t\t\t\toffset: inc.offset,\n\t\t\t\t\t\t\t\thowMany: howManyAfter,\n\t\t\t\t\t\t\t\tcount: this._changeCount++\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\told.howMany -= oldEnd - inc.offset;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( inc.type == 'attribute' ) {\n\t\t\t\t// In case of attribute change, `howMany` should be kept same as `nodesToHandle`. It's not an error.\n\t\t\t\tif ( old.type == 'insert' ) {\n\t\t\t\t\tif ( inc.offset < old.offset && incEnd > old.offset ) {\n\t\t\t\t\t\tif ( incEnd > oldEnd ) {\n\t\t\t\t\t\t\t// This case is similar to a case described when incoming change was insert and old change was attribute.\n\t\t\t\t\t\t\t// See comment above.\n\t\t\t\t\t\t\t//\n\t\t\t\t\t\t\t// This time incoming change is attribute. We need to split incoming change in this case too.\n\t\t\t\t\t\t\t// However this time, the second part of the attribute change needs to be processed further\n\t\t\t\t\t\t\t// because there might be other changes that it collides with.\n\t\t\t\t\t\t\tconst attributePart = {\n\t\t\t\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\t\t\t\toffset: oldEnd,\n\t\t\t\t\t\t\t\thowMany: incEnd - oldEnd,\n\t\t\t\t\t\t\t\tcount: this._changeCount++\n\t\t\t\t\t\t\t};\n\n\t\t\t\t\t\t\tthis._handleChange( attributePart, changes );\n\n\t\t\t\t\t\t\tchanges.push( attributePart );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tinc.nodesToHandle = old.offset - inc.offset;\n\t\t\t\t\t\tinc.howMany = inc.nodesToHandle;\n\t\t\t\t\t} else if ( inc.offset >= old.offset && inc.offset < oldEnd ) {\n\t\t\t\t\t\tif ( incEnd > oldEnd ) {\n\t\t\t\t\t\t\tinc.nodesToHandle = incEnd - oldEnd;\n\t\t\t\t\t\t\tinc.offset = oldEnd;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tinc.nodesToHandle = 0;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'remove' ) {\n\t\t\t\t\t// This is a case when attribute change \"contains\" remove change.\n\t\t\t\t\t// The attribute change needs to be split into two because changes cannot intersect.\n\t\t\t\t\tif ( inc.offset < old.offset && incEnd > old.offset ) {\n\t\t\t\t\t\tconst attributePart = {\n\t\t\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\t\t\toffset: old.offset,\n\t\t\t\t\t\t\thowMany: incEnd - old.offset,\n\t\t\t\t\t\t\tcount: this._changeCount++\n\t\t\t\t\t\t};\n\n\t\t\t\t\t\tthis._handleChange( attributePart, changes );\n\n\t\t\t\t\t\tchanges.push( attributePart );\n\n\t\t\t\t\t\tinc.nodesToHandle = old.offset - inc.offset;\n\t\t\t\t\t\tinc.howMany = inc.nodesToHandle;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'attribute' ) {\n\t\t\t\t\t// There are only two conflicting scenarios possible here:\n\t\t\t\t\tif ( inc.offset >= old.offset && incEnd <= oldEnd ) {\n\t\t\t\t\t\t// `old` change includes `inc` change, or they are the same.\n\t\t\t\t\t\tinc.nodesToHandle = 0;\n\t\t\t\t\t\tinc.howMany = 0;\n\t\t\t\t\t\tinc.offset = 0;\n\t\t\t\t\t} else if ( inc.offset <= old.offset && incEnd >= oldEnd ) {\n\t\t\t\t\t\t// `inc` change includes `old` change.\n\t\t\t\t\t\told.howMany = 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tinc.howMany = inc.nodesToHandle;\n\t\tdelete inc.nodesToHandle;\n\t}\n\n\t/**\n\t * Returns an object with a single insert change description.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent The element in which the change happened.\n\t * @param {Number} offset The offset at which change happened.\n\t * @param {String} name The name of the removed element or `'$text'` for a character.\n\t * @returns {Object} The diff item.\n\t */\n\t_getInsertDiff( parent, offset, name ) {\n\t\treturn {\n\t\t\ttype: 'insert',\n\t\t\tposition: Position._createAt( parent, offset ),\n\t\t\tname,\n\t\t\tlength: 1,\n\t\t\tchangeCount: this._changeCount++\n\t\t};\n\t}\n\n\t/**\n\t * Returns an object with a single remove change description.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent The element in which change happened.\n\t * @param {Number} offset The offset at which change happened.\n\t * @param {String} name The name of the removed element or `'$text'` for a character.\n\t * @returns {Object} The diff item.\n\t */\n\t_getRemoveDiff( parent, offset, name ) {\n\t\treturn {\n\t\t\ttype: 'remove',\n\t\t\tposition: Position._createAt( parent, offset ),\n\t\t\tname,\n\t\t\tlength: 1,\n\t\t\tchangeCount: this._changeCount++\n\t\t};\n\t}\n\n\t/**\n\t * Returns an array of objects where each one is a single attribute change description.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range The range where the change happened.\n\t * @param {Map} oldAttributes A map, map iterator or compatible object that contains attributes before the change.\n\t * @param {Map} newAttributes A map, map iterator or compatible object that contains attributes after the change.\n\t * @returns {Array.<Object>} An array containing one or more diff items.\n\t */\n\t_getAttributesDiff( range, oldAttributes, newAttributes ) {\n\t\t// Results holder.\n\t\tconst diffs = [];\n\n\t\t// Clone new attributes as we will be performing changes on this object.\n\t\tnewAttributes = new Map( newAttributes );\n\n\t\t// Look through old attributes.\n\t\tfor ( const [ key, oldValue ] of oldAttributes ) {\n\t\t\t// Check what is the new value of the attribute (or if it was removed).\n\t\t\tconst newValue = newAttributes.has( key ) ? newAttributes.get( key ) : null;\n\n\t\t\t// If values are different (or attribute was removed)...\n\t\t\tif ( newValue !== oldValue ) {\n\t\t\t\t// Add diff item.\n\t\t\t\tdiffs.push( {\n\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\tposition: range.start,\n\t\t\t\t\trange: range.clone(),\n\t\t\t\t\tlength: 1,\n\t\t\t\t\tattributeKey: key,\n\t\t\t\t\tattributeOldValue: oldValue,\n\t\t\t\t\tattributeNewValue: newValue,\n\t\t\t\t\tchangeCount: this._changeCount++\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\t// Prevent returning two diff items for the same change.\n\t\t\tnewAttributes.delete( key );\n\t\t}\n\n\t\t// Look through new attributes that weren't handled above.\n\t\tfor ( const [ key, newValue ] of newAttributes ) {\n\t\t\t// Each of them is a new attribute. Add diff item.\n\t\t\tdiffs.push( {\n\t\t\t\ttype: 'attribute',\n\t\t\t\tposition: range.start,\n\t\t\t\trange: range.clone(),\n\t\t\t\tlength: 1,\n\t\t\t\tattributeKey: key,\n\t\t\t\tattributeOldValue: null,\n\t\t\t\tattributeNewValue: newValue,\n\t\t\t\tchangeCount: this._changeCount++\n\t\t\t} );\n\t\t}\n\n\t\treturn diffs;\n\t}\n\n\t/**\n\t * Checks whether given element or any of its parents is an element that is buffered as an inserted element.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} element Element to check.\n\t * @returns {Boolean}\n\t */\n\t_isInInsertedElement( element ) {\n\t\tconst parent = element.parent;\n\n\t\tif ( !parent ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst changes = this._changesInElement.get( parent );\n\t\tconst offset = element.startOffset;\n\n\t\tif ( changes ) {\n\t\t\tfor ( const change of changes ) {\n\t\t\t\tif ( change.type == 'insert' && offset >= change.offset && offset < change.offset + change.howMany ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn this._isInInsertedElement( parent );\n\t}\n\n\t/**\n\t * Removes deeply all buffered changes that are registered in elements from range specified by `parent`, `offset`\n\t * and `howMany`.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent\n\t * @param {Number} offset\n\t * @param {Number} howMany\n\t */\n\t_removeAllNestedChanges( parent, offset, howMany ) {\n\t\tconst range = new Range( Position._createAt( parent, offset ), Position._createAt( parent, offset + howMany ) );\n\n\t\tfor ( const item of range.getItems( { shallow: true } ) ) {\n\t\t\tif ( item.is( 'element' ) ) {\n\t\t\t\tthis._elementSnapshots.delete( item );\n\t\t\t\tthis._changesInElement.delete( item );\n\n\t\t\t\tthis._removeAllNestedChanges( item, 0, item.maxOffset );\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Returns an array that is a copy of passed child list with the exception that text nodes are split to one or more\n// objects, each representing one character and attributes set on that character.\nfunction _getChildrenSnapshot( children ) {\n\tconst snapshot = [];\n\n\tfor ( const child of children ) {\n\t\tif ( child.is( '$text' ) ) {\n\t\t\tfor ( let i = 0; i < child.data.length; i++ ) {\n\t\t\t\tsnapshot.push( {\n\t\t\t\t\tname: '$text',\n\t\t\t\t\tattributes: new Map( child.getAttributes() )\n\t\t\t\t} );\n\t\t\t}\n\t\t} else {\n\t\t\tsnapshot.push( {\n\t\t\t\tname: child.name,\n\t\t\t\tattributes: new Map( child.getAttributes() )\n\t\t\t} );\n\t\t}\n\t}\n\n\treturn snapshot;\n}\n\n// Generates array of actions for given changes set.\n// It simulates what `diff` function does.\n// Generated actions are:\n// - 'e' for 'equal' - when item at that position did not change,\n// - 'i' for 'insert' - when item at that position was inserted,\n// - 'r' for 'remove' - when item at that position was removed,\n// - 'a' for 'attribute' - when item at that position has it attributes changed.\n//\n// Example (assume that uppercase letters have bold attribute, compare with function code):\n//\n// children before:\tfooBAR\n// children after:\tfoxybAR\n//\n// changes: type: remove, offset: 1, howMany: 1\n//\t\t\ttype: insert, offset: 2, howMany: 2\n//\t\t\ttype: attribute, offset: 4, howMany: 1\n//\n// expected actions: equal (f), remove (o), equal (o), insert (x), insert (y), attribute (b), equal (A), equal (R)\n//\n// steps taken by th script:\n//\n// 1. change = \"type: remove, offset: 1, howMany: 1\"; offset = 0; oldChildrenHandled = 0\n//    1.1 between this change and the beginning is one not-changed node, fill with one equal action, one old child has been handled\n//    1.2 this change removes one node, add one remove action\n//    1.3 change last visited `offset` to 1\n//    1.4 since an old child has been removed, one more old child has been handled\n//    1.5 actions at this point are: equal, remove\n//\n// 2. change = \"type: insert, offset: 2, howMany: 2\"; offset = 1; oldChildrenHandled = 2\n//    2.1 between this change and previous change is one not-changed node, add equal action, another one old children has been handled\n//    2.2 this change inserts two nodes, add two insert actions\n//    2.3 change last visited offset to the end of the inserted range, that is 4\n//    2.4 actions at this point are: equal, remove, equal, insert, insert\n//\n// 3. change = \"type: attribute, offset: 4, howMany: 1\"; offset = 4, oldChildrenHandled = 3\n//    3.1 between this change and previous change are no not-changed nodes\n//    3.2 this change changes one node, add one attribute action\n//    3.3 change last visited `offset` to the end of change range, that is 5\n//    3.4 since an old child has been changed, one more old child has been handled\n//    3.5 actions at this point are: equal, remove, equal, insert, insert, attribute\n//\n// 4. after loop oldChildrenHandled = 4, oldChildrenLength = 6 (fooBAR is 6 characters)\n//    4.1 fill up with two equal actions\n//\n// The result actions are: equal, remove, equal, insert, insert, attribute, equal, equal.\nfunction _generateActionsFromChanges( oldChildrenLength, changes ) {\n\tconst actions = [];\n\n\tlet offset = 0;\n\tlet oldChildrenHandled = 0;\n\n\t// Go through all buffered changes.\n\tfor ( const change of changes ) {\n\t\t// First, fill \"holes\" between changes with \"equal\" actions.\n\t\tif ( change.offset > offset ) {\n\t\t\tfor ( let i = 0; i < change.offset - offset; i++ ) {\n\t\t\t\tactions.push( 'e' );\n\t\t\t}\n\n\t\t\toldChildrenHandled += change.offset - offset;\n\t\t}\n\n\t\t// Then, fill up actions accordingly to change type.\n\t\tif ( change.type == 'insert' ) {\n\t\t\tfor ( let i = 0; i < change.howMany; i++ ) {\n\t\t\t\tactions.push( 'i' );\n\t\t\t}\n\n\t\t\t// The last handled offset is after inserted range.\n\t\t\toffset = change.offset + change.howMany;\n\t\t} else if ( change.type == 'remove' ) {\n\t\t\tfor ( let i = 0; i < change.howMany; i++ ) {\n\t\t\t\tactions.push( 'r' );\n\t\t\t}\n\n\t\t\t// The last handled offset is at the position where the nodes were removed.\n\t\t\toffset = change.offset;\n\t\t\t// We removed `howMany` old nodes, update `oldChildrenHandled`.\n\t\t\toldChildrenHandled += change.howMany;\n\t\t} else {\n\t\t\tactions.push( ...'a'.repeat( change.howMany ).split( '' ) );\n\n\t\t\t// The last handled offset is at the position after the changed range.\n\t\t\toffset = change.offset + change.howMany;\n\t\t\t// We changed `howMany` old nodes, update `oldChildrenHandled`.\n\t\t\toldChildrenHandled += change.howMany;\n\t\t}\n\t}\n\n\t// Fill \"equal\" actions at the end of actions set. Use `oldChildrenHandled` to see how many children\n\t// has not been changed / removed at the end of their parent.\n\tif ( oldChildrenHandled < oldChildrenLength ) {\n\t\tfor ( let i = 0; i < oldChildrenLength - oldChildrenHandled - offset; i++ ) {\n\t\t\tactions.push( 'e' );\n\t\t}\n\t}\n\n\treturn actions;\n}\n\n// Filter callback for Array.filter that filters out change entries that are in graveyard.\nfunction _changesInGraveyardFilter( entry ) {\n\tconst posInGy = entry.position && entry.position.root.rootName == '$graveyard';\n\tconst rangeInGy = entry.range && entry.range.root.rootName == '$graveyard';\n\n\treturn !posInGy && !rangeInGy;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/history\n */\n\n/**\n * `History` keeps the track of all the operations applied to the {@link module:engine/model/document~Document document}.\n */\nexport default class History {\n\t/**\n\t * Creates an empty History instance.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Operations added to the history.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array.<module:engine/model/operation/operation~Operation>} module:engine/model/history~History#_operations\n\t\t */\n\t\tthis._operations = [];\n\n\t\t/**\n\t\t * Holds an information which {@link module:engine/model/operation/operation~Operation operation} undoes which\n\t\t * {@link module:engine/model/operation/operation~Operation operation}.\n\t\t *\n\t\t * Keys of the map are \"undoing operations\", that is operations that undone some other operations. For each key, the\n\t\t * value is an operation that has been undone by the \"undoing operation\".\n\t\t *\n\t\t * @private\n\t\t * @member {Map} module:engine/model/history~History#_undoPairs\n\t\t */\n\t\tthis._undoPairs = new Map();\n\n\t\t/**\n\t\t * Holds all undone operations.\n\t\t *\n\t\t * @private\n\t\t * @member {Set.<module:engine/model/operation/operation~Operation>} module:engine/model/history~History#_undoneOperations\n\t\t */\n\t\tthis._undoneOperations = new Set();\n\t}\n\n\t/**\n\t * Adds an operation to the history.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to add.\n\t */\n\taddOperation( operation ) {\n\t\tif ( this._operations.includes( operation ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._operations.push( operation );\n\t}\n\n\t/**\n\t * Returns operations added to the history.\n\t *\n\t * @param {Number} [from=Number.NEGATIVE_INFINITY] Base version from which operations should be returned (inclusive).\n\t * Defaults to `Number.NEGATIVE_INFINITY`, which means that operations from the first one will be returned.\n\t * @param {Number} [to=Number.POSITIVE_INFINITY] Base version up to which operations should be returned (exclusive).\n\t * Defaults to `Number.POSITIVE_INFINITY` which means that operations up to the last one will be returned.\n\t * @returns {Array.<module:engine/model/operation/operation~Operation>} Operations added to the history.\n\t */\n\tgetOperations( from = Number.NEGATIVE_INFINITY, to = Number.POSITIVE_INFINITY ) {\n\t\tconst operations = [];\n\n\t\tfor ( const operation of this._operations ) {\n\t\t\tif ( operation.baseVersion >= from && operation.baseVersion < to ) {\n\t\t\t\toperations.push( operation );\n\t\t\t}\n\t\t}\n\n\t\treturn operations;\n\t}\n\n\t/**\n\t * Returns operation from the history that bases on given `baseVersion`.\n\t *\n\t * @param {Number} baseVersion Base version of the operation to get.\n\t * @returns {module:engine/model/operation/operation~Operation|undefined} Operation with given base version or `undefined` if\n\t * there is no such operation in history.\n\t */\n\tgetOperation( baseVersion ) {\n\t\tfor ( const operation of this._operations ) {\n\t\t\tif ( operation.baseVersion == baseVersion ) {\n\t\t\t\treturn operation;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Marks in history that one operation is an operation that is undoing the other operation. By marking operation this way,\n\t * history is keeping more context information about operations, which helps in operational transformation.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} undoneOperation Operation which is undone by `undoingOperation`.\n\t * @param {module:engine/model/operation/operation~Operation} undoingOperation Operation which undoes `undoneOperation`.\n\t */\n\tsetOperationAsUndone( undoneOperation, undoingOperation ) {\n\t\tthis._undoPairs.set( undoingOperation, undoneOperation );\n\t\tthis._undoneOperations.add( undoneOperation );\n\t}\n\n\t/**\n\t * Checks whether given `operation` is undoing any other operation.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to check.\n\t * @returns {Boolean} `true` if given `operation` is undoing any other operation, `false` otherwise.\n\t */\n\tisUndoingOperation( operation ) {\n\t\treturn this._undoPairs.has( operation );\n\t}\n\n\t/**\n\t * Checks whether given `operation` has been undone by any other operation.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to check.\n\t * @returns {Boolean} `true` if given `operation` has been undone any other operation, `false` otherwise.\n\t */\n\tisUndoneOperation( operation ) {\n\t\treturn this._undoneOperations.has( operation );\n\t}\n\n\t/**\n\t * For given `undoingOperation`, returns the operation which has been undone by it.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} undoingOperation\n\t * @returns {module:engine/model/operation/operation~Operation|undefined} Operation that has been undone by given\n\t * `undoingOperation` or `undefined` if given `undoingOperation` is not undoing any other operation.\n\t */\n\tgetUndoneOperation( undoingOperation ) {\n\t\treturn this._undoPairs.get( undoingOperation );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Set of utils to handle unicode characters.\n *\n * @module utils/unicode\n */\n\n/**\n * Checks whether given `character` is a combining mark.\n *\n * @param {String} character Character to check.\n * @returns {Boolean}\n */\nexport function isCombiningMark( character ) {\n\t// eslint-disable-next-line no-misleading-character-class\n\treturn !!character && character.length == 1 && /[\\u0300-\\u036f\\u1ab0-\\u1aff\\u1dc0-\\u1dff\\u20d0-\\u20ff\\ufe20-\\ufe2f]/.test( character );\n}\n\n/**\n * Checks whether given `character` is a high half of surrogate pair.\n *\n * Using UTF-16 terminology, a surrogate pair denotes UTF-16 character using two UTF-8 characters. The surrogate pair\n * consist of high surrogate pair character followed by low surrogate pair character.\n *\n * @param {String} character Character to check.\n * @returns {Boolean}\n */\nexport function isHighSurrogateHalf( character ) {\n\treturn !!character && character.length == 1 && /[\\ud800-\\udbff]/.test( character );\n}\n\n/**\n * Checks whether given `character` is a low half of surrogate pair.\n *\n * Using UTF-16 terminology, a surrogate pair denotes UTF-16 character using two UTF-8 characters. The surrogate pair\n * consist of high surrogate pair character followed by low surrogate pair character.\n *\n * @param {String} character Character to check.\n * @returns {Boolean}\n */\nexport function isLowSurrogateHalf( character ) {\n\treturn !!character && character.length == 1 && /[\\udc00-\\udfff]/.test( character );\n}\n\n/**\n * Checks whether given offset in a string is inside a surrogate pair (between two surrogate halves).\n *\n * @param {String} string String to check.\n * @param {Number} offset Offset to check.\n * @returns {Boolean}\n */\nexport function isInsideSurrogatePair( string, offset ) {\n\treturn isHighSurrogateHalf( string.charAt( offset - 1 ) ) && isLowSurrogateHalf( string.charAt( offset ) );\n}\n\n/**\n * Checks whether given offset in a string is between base character and combining mark or between two combining marks.\n *\n * @param {String} string String to check.\n * @param {Number} offset Offset to check.\n * @returns {Boolean}\n */\nexport function isInsideCombinedSymbol( string, offset ) {\n\treturn isCombiningMark( string.charAt( offset ) );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/document\n */\n\nimport Differ from './differ';\nimport RootElement from './rootelement';\nimport History from './history';\nimport DocumentSelection from './documentselection';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { isInsideSurrogatePair, isInsideCombinedSymbol } from '@ckeditor/ckeditor5-utils/src/unicode';\nimport { clone } from 'lodash-es';\n\n// @if CK_DEBUG_ENGINE // const { logDocument } = require( '../dev-utils/utils' );\n\nconst graveyardName = '$graveyard';\n\n/**\n * Data model's document. It contains the model's structure, its selection and the history of changes.\n *\n * Read more about working with the model in\n * {@glink framework/guides/architecture/editing-engine#model introduction to the the editing engine's architecture}.\n *\n * Usually, the document contains just one {@link module:engine/model/document~Document#roots root element}, so\n * you can retrieve it by just calling {@link module:engine/model/document~Document#getRoot} without specifying its name:\n *\n *\t\tmodel.document.getRoot(); // -> returns the main root\n *\n * However, the document may contain multiple roots – e.g. when the editor has multiple editable areas\n * (e.g. a title and a body of a message).\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Document {\n\t/**\n\t * Creates an empty document instance with no {@link #roots} (other than\n\t * the {@link #graveyard graveyard root}).\n\t */\n\tconstructor( model ) {\n\t\t/**\n\t\t * The {@link module:engine/model/model~Model model} that the document is a part of.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * The document version. It starts from `0` and every operation increases the version number. It is used to ensure that\n\t\t * operations are applied on a proper document version.\n\t\t *\n\t\t * If the {@link module:engine/model/operation/operation~Operation#baseVersion base version} does not match the document version,\n\t\t * a {@link module:utils/ckeditorerror~CKEditorError model-document-applyoperation-wrong-version} error is thrown.\n\t\t *\n\t\t * @type {Number}\n\t\t */\n\t\tthis.version = 0;\n\n\t\t/**\n\t\t * The document's history.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/history~History}\n\t\t */\n\t\tthis.history = new History( this );\n\n\t\t/**\n\t\t * The selection in this document.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/documentselection~DocumentSelection}\n\t\t */\n\t\tthis.selection = new DocumentSelection( this );\n\n\t\t/**\n\t\t * A list of roots that are owned and managed by this document. Use {@link #createRoot} and\n\t\t * {@link #getRoot} to manipulate it.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/collection~Collection}\n\t\t */\n\t\tthis.roots = new Collection( { idProperty: 'rootName' } );\n\n\t\t/**\n\t\t * The model differ object. Its role is to buffer changes done on the model document and then calculate a diff of those changes.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/differ~Differ}\n\t\t */\n\t\tthis.differ = new Differ( model.markers );\n\n\t\t/**\n\t\t * Post-fixer callbacks registered to the model document.\n\t\t *\n\t\t * @private\n\t\t * @type {Set.<Function>}\n\t\t */\n\t\tthis._postFixers = new Set();\n\n\t\t/**\n\t\t * A boolean indicates whether the selection has changed until\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._hasSelectionChangedFromTheLastChangeBlock = false;\n\n\t\t// Graveyard tree root. Document always have a graveyard root, which stores removed nodes.\n\t\tthis.createRoot( '$root', graveyardName );\n\n\t\t// First, if the operation is a document operation check if it's base version is correct.\n\t\tthis.listenTo( model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( operation.isDocumentOperation && operation.baseVersion !== this.version ) {\n\t\t\t\t/**\n\t\t\t\t * Only operations with matching versions can be applied.\n\t\t\t\t *\n\t\t\t\t * @error model-document-applyoperation-wrong-version\n\t\t\t\t * @param {module:engine/model/operation/operation~Operation} operation\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-document-applyoperation-wrong-version', this, { operation } );\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\n\t\t// Then, still before an operation is applied on model, buffer the change in differ.\n\t\tthis.listenTo( model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( operation.isDocumentOperation ) {\n\t\t\t\tthis.differ.bufferOperation( operation );\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\t// After the operation is applied, bump document's version and add the operation to the history.\n\t\tthis.listenTo( model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( operation.isDocumentOperation ) {\n\t\t\t\tthis.version++;\n\t\t\t\tthis.history.addOperation( operation );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\n\t\t// Listen to selection changes. If selection changed, mark it.\n\t\tthis.listenTo( this.selection, 'change', () => {\n\t\t\tthis._hasSelectionChangedFromTheLastChangeBlock = true;\n\t\t} );\n\n\t\t// Buffer marker changes.\n\t\t// This is not covered in buffering operations because markers may change outside of them (when they\n\t\t// are modified using `model.markers` collection, not through `MarkerOperation`).\n\t\tthis.listenTo( model.markers, 'update', ( evt, marker, oldRange, newRange ) => {\n\t\t\t// Whenever marker is updated, buffer that change.\n\t\t\tthis.differ.bufferMarkerChange( marker.name, oldRange, newRange, marker.affectsData );\n\n\t\t\tif ( oldRange === null ) {\n\t\t\t\t// If this is a new marker, add a listener that will buffer change whenever marker changes.\n\t\t\t\tmarker.on( 'change', ( evt, oldRange ) => {\n\t\t\t\t\tthis.differ.bufferMarkerChange( marker.name, oldRange, marker.getRange(), marker.affectsData );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * The graveyard tree root. A document always has a graveyard root that stores removed nodes.\n\t *\n\t * @readonly\n\t * @member {module:engine/model/rootelement~RootElement}\n\t */\n\tget graveyard() {\n\t\treturn this.getRoot( graveyardName );\n\t}\n\n\t/**\n\t * Creates a new root.\n\t *\n\t * @param {String} [elementName='$root'] The element name. Defaults to `'$root'` which also has some basic schema defined\n\t * (`$block`s are allowed inside the `$root`). Make sure to define a proper schema if you use a different name.\n\t * @param {String} [rootName='main'] A unique root name.\n\t * @returns {module:engine/model/rootelement~RootElement} The created root.\n\t */\n\tcreateRoot( elementName = '$root', rootName = 'main' ) {\n\t\tif ( this.roots.get( rootName ) ) {\n\t\t\t/**\n\t\t\t * A root with the specified name already exists.\n\t\t\t *\n\t\t\t * @error model-document-createroot-name-exists\n\t\t\t * @param {module:engine/model/document~Document} doc\n\t\t\t * @param {String} name\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-document-createroot-name-exists', this, { name: rootName } );\n\t\t}\n\n\t\tconst root = new RootElement( this, elementName, rootName );\n\t\tthis.roots.add( root );\n\n\t\treturn root;\n\t}\n\n\t/**\n\t * Removes all event listeners set by the document instance.\n\t */\n\tdestroy() {\n\t\tthis.selection.destroy();\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Returns a root by its name.\n\t *\n\t * @param {String} [name='main'] A unique root name.\n\t * @returns {module:engine/model/rootelement~RootElement|null} The root registered under a given name or `null` when\n\t * there is no root with the given name.\n\t */\n\tgetRoot( name = 'main' ) {\n\t\treturn this.roots.get( name );\n\t}\n\n\t/**\n\t * Returns an array with names of all roots (without the {@link #graveyard}) added to the document.\n\t *\n\t * @returns {Array.<String>} Roots names.\n\t */\n\tgetRootNames() {\n\t\treturn Array.from( this.roots, root => root.rootName ).filter( name => name != graveyardName );\n\t}\n\n\t/**\n\t * Used to register a post-fixer callback. A post-fixer mechanism guarantees that the features\n\t * will operate on a correct model state.\n\t *\n\t * An execution of a feature may lead to an incorrect document tree state. The callbacks are used to fix the document tree after\n\t * it has changed. Post-fixers are fired just after all changes from the outermost change block were applied but\n\t * before the {@link module:engine/model/document~Document#event:change change event} is fired. If a post-fixer callback made\n\t * a change, it should return `true`. When this happens, all post-fixers are fired again to check if something else should\n\t * not be fixed in the new document tree state.\n\t *\n\t * As a parameter, a post-fixer callback receives a {@link module:engine/model/writer~Writer writer} instance connected with the\n\t * executed changes block. Thanks to that, all changes done by the callback will be added to the same\n\t * {@link module:engine/model/batch~Batch batch} (and undo step) as the original changes. This makes post-fixer changes transparent\n\t * for the user.\n\t *\n\t * An example of a post-fixer is a callback that checks if all the data were removed from the editor. If so, the\n\t * callback should add an empty paragraph so that the editor is never empty:\n\t *\n\t *\t\tdocument.registerPostFixer( writer => {\n\t *\t\t\tconst changes = document.differ.getChanges();\n\t *\n\t *\t\t\t// Check if the changes lead to an empty root in the editor.\n\t *\t\t\tfor ( const entry of changes ) {\n\t *\t\t\t\tif ( entry.type == 'remove' && entry.position.root.isEmpty ) {\n\t *\t\t\t\t\twriter.insertElement( 'paragraph', entry.position.root, 0 );\n\t *\n\t *\t\t\t\t\t// It is fine to return early, even if multiple roots would need to be fixed.\n\t *\t\t\t\t\t// All post-fixers will be fired again, so if there are more empty roots, those will be fixed, too.\n\t *\t\t\t\t\treturn true;\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @param {Function} postFixer\n\t */\n\tregisterPostFixer( postFixer ) {\n\t\tthis._postFixers.add( postFixer );\n\t}\n\n\t/**\n\t * A custom `toJSON()` method to solve child-parent circular dependencies.\n\t *\n\t * @returns {Object} A clone of this object with the document property changed to a string.\n\t */\n\ttoJSON() {\n\t\tconst json = clone( this );\n\n\t\t// Due to circular references we need to remove parent reference.\n\t\tjson.selection = '[engine.model.DocumentSelection]';\n\t\tjson.model = '[engine.model.Model]';\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Check if there were any changes done on document, and if so, call post-fixers,\n\t * fire `change` event for features and conversion and then reset the differ.\n\t * Fire `change:data` event when at least one operation or buffered marker changes the data.\n\t *\n\t * @protected\n\t * @fires change\n\t * @fires change:data\n\t * @param {module:engine/model/writer~Writer} writer The writer on which post-fixers will be called.\n\t */\n\t_handleChangeBlock( writer ) {\n\t\tif ( this._hasDocumentChangedFromTheLastChangeBlock() ) {\n\t\t\tthis._callPostFixers( writer );\n\n\t\t\t// Refresh selection attributes according to the final position in the model after the change.\n\t\t\tthis.selection.refresh();\n\n\t\t\tif ( this.differ.hasDataChanges() ) {\n\t\t\t\tthis.fire( 'change:data', writer.batch );\n\t\t\t} else {\n\t\t\t\tthis.fire( 'change', writer.batch );\n\t\t\t}\n\n\t\t\t// Theoretically, it is not necessary to refresh selection after change event because\n\t\t\t// post-fixers are the last who should change the model, but just in case...\n\t\t\tthis.selection.refresh();\n\n\t\t\tthis.differ.reset();\n\t\t}\n\n\t\tthis._hasSelectionChangedFromTheLastChangeBlock = false;\n\t}\n\n\t/**\n\t * Returns whether there is a buffered change or if the selection has changed from the last\n\t * {@link module:engine/model/model~Model#enqueueChange `enqueueChange()` block}\n\t * or {@link module:engine/model/model~Model#change `change()` block}.\n\t *\n\t * @protected\n\t * @returns {Boolean} Returns `true` if document has changed from the last `change()` or `enqueueChange()` block.\n\t */\n\t_hasDocumentChangedFromTheLastChangeBlock() {\n\t\treturn !this.differ.isEmpty || this._hasSelectionChangedFromTheLastChangeBlock;\n\t}\n\n\t/**\n\t * Returns the default root for this document which is either the first root that was added to the document using\n\t * {@link #createRoot} or the {@link #graveyard graveyard root} if no other roots were created.\n\t *\n\t * @protected\n\t * @returns {module:engine/model/rootelement~RootElement} The default root for this document.\n\t */\n\t_getDefaultRoot() {\n\t\tfor ( const root of this.roots ) {\n\t\t\tif ( root !== this.graveyard ) {\n\t\t\t\treturn root;\n\t\t\t}\n\t\t}\n\n\t\treturn this.graveyard;\n\t}\n\n\t/**\n\t * Returns the default range for this selection. The default range is a collapsed range that starts and ends\n\t * at the beginning of this selection's document {@link #_getDefaultRoot default root}.\n\t *\n\t * @protected\n\t * @returns {module:engine/model/range~Range}\n\t */\n\t_getDefaultRange() {\n\t\tconst defaultRoot = this._getDefaultRoot();\n\t\tconst model = this.model;\n\t\tconst schema = model.schema;\n\n\t\t// Find the first position where the selection can be put.\n\t\tconst position = model.createPositionFromPath( defaultRoot, [ 0 ] );\n\t\tconst nearestRange = schema.getNearestSelectionRange( position );\n\n\t\t// If valid selection range is not found - return range collapsed at the beginning of the root.\n\t\treturn nearestRange || model.createRange( position );\n\t}\n\n\t/**\n\t * Checks whether a given {@link module:engine/model/range~Range range} is a valid range for\n\t * the {@link #selection document's selection}.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range A range to check.\n\t * @returns {Boolean} `true` if `range` is valid, `false` otherwise.\n\t */\n\t_validateSelectionRange( range ) {\n\t\treturn validateTextNodePosition( range.start ) && validateTextNodePosition( range.end );\n\t}\n\n\t/**\n\t * Performs post-fixer loops. Executes post-fixer callbacks as long as none of them has done any changes to the model.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer The writer on which post-fixer callbacks will be called.\n\t */\n\t_callPostFixers( writer ) {\n\t\tlet wasFixed = false;\n\n\t\tdo {\n\t\t\tfor ( const callback of this._postFixers ) {\n\t\t\t\t// Ensure selection attributes are up to date before each post-fixer.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/1673.\n\t\t\t\t//\n\t\t\t\t// It might be good to refresh the selection after each operation but at the moment it leads\n\t\t\t\t// to losing attributes for composition or and spell checking\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-typing/issues/188\n\t\t\t\tthis.selection.refresh();\n\n\t\t\t\twasFixed = callback( writer );\n\n\t\t\t\tif ( wasFixed ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} while ( wasFixed );\n\t}\n\n\t/**\n\t * Fired after each {@link module:engine/model/model~Model#enqueueChange `enqueueChange()` block} or the outermost\n\t * {@link module:engine/model/model~Model#change `change()` block} was executed and the document was changed\n\t * during that block's execution.\n\t *\n\t * The changes which this event will cover include:\n\t *\n\t * * document structure changes,\n\t * * selection changes,\n\t * * marker changes.\n\t *\n\t * If you want to be notified about all these changes, then simply listen to this event like this:\n\t *\n\t *\t\tmodel.document.on( 'change', () => {\n\t *\t\t\tconsole.log( 'The document has changed!' );\n\t *\t\t} );\n\t *\n\t * If, however, you only want to be notified about the data changes, then use the\n\t * {@link module:engine/model/document~Document#event:change:data change:data} event,\n\t * which is fired for document structure changes and marker changes (which affects the data).\n\t *\n\t *\t\tmodel.document.on( 'change:data', () => {\n\t *\t\t\tconsole.log( 'The data has changed!' );\n\t *\t\t} );\n\t *\n\t * @event change\n\t * @param {module:engine/model/batch~Batch} batch The batch that was used in the executed changes block.\n\t */\n\n\t/**\n\t * It is a narrower version of the {@link #event:change} event. It is fired for changes which\n\t * affect the editor data. This is:\n\t *\n\t * * document structure changes,\n\t * * marker changes (which affects the data).\n\t *\n\t * If you want to be notified about the data changes, then listen to this event:\n\t *\n\t *\t\tmodel.document.on( 'change:data', () => {\n\t *\t\t\tconsole.log( 'The data has changed!' );\n\t *\t\t} );\n\t *\n\t * If you would like to listen to all document changes, then check out the\n\t * {@link module:engine/model/document~Document#event:change change} event.\n\t *\n\t * @event change:data\n\t * @param {module:engine/model/batch~Batch} batch The batch that was used in the executed changes block.\n\t */\n\n\t// @if CK_DEBUG_ENGINE // log( version = null ) {\n\t// @if CK_DEBUG_ENGINE // \tversion = version === null ? this.version : version;\n\t// @if CK_DEBUG_ENGINE // \tlogDocument( this, version );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\nmix( Document, EmitterMixin );\n\n// Checks whether given range boundary position is valid for document selection, meaning that is not between\n// unicode surrogate pairs or base character and combining marks.\nfunction validateTextNodePosition( rangeBoundary ) {\n\tconst textNode = rangeBoundary.textNode;\n\n\tif ( textNode ) {\n\t\tconst data = textNode.data;\n\t\tconst offset = rangeBoundary.offset - textNode.startOffset;\n\n\t\treturn !isInsideSurrogatePair( data, offset ) && !isInsideCombinedSymbol( data, offset );\n\t}\n\n\treturn true;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/markercollection\n */\n\nimport LiveRange from './liverange';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The collection of all {@link module:engine/model/markercollection~Marker markers} attached to the document.\n * It lets you {@link module:engine/model/markercollection~MarkerCollection#get get} markers or track them using\n * {@link module:engine/model/markercollection~MarkerCollection#event:update} event.\n *\n * To create, change or remove makers use {@link module:engine/model/writer~Writer model writers'} methods:\n * {@link module:engine/model/writer~Writer#addMarker} or {@link module:engine/model/writer~Writer#removeMarker}. Since\n * the writer is the only proper way to change the data model it is not possible to change markers directly using this\n * collection. All markers created by the writer will be automatically added to this collection.\n *\n * By default there is one marker collection available as {@link module:engine/model/model~Model#markers model property}.\n *\n * @see module:engine/model/markercollection~Marker\n */\nexport default class MarkerCollection {\n\t/**\n\t * Creates a markers collection.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Stores {@link ~Marker markers} added to the collection.\n\t\t *\n\t\t * @private\n\t\t * @member {Map} #_markers\n\t\t */\n\t\tthis._markers = new Map();\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all {@link ~Marker markers} added to the collection.\n\t *\n\t * @returns {Iterable}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._markers.values();\n\t}\n\n\t/**\n\t * Checks if marker with given `markerName` is in the collection.\n\t *\n\t * @param {String} markerName Marker name.\n\t * @returns {Boolean} `true` if marker with given `markerName` is in the collection, `false` otherwise.\n\t */\n\thas( markerName ) {\n\t\treturn this._markers.has( markerName );\n\t}\n\n\t/**\n\t * Returns {@link ~Marker marker} with given `markerName`.\n\t *\n\t * @param {String} markerName Name of marker to get.\n\t * @returns {module:engine/model/markercollection~Marker|null} Marker with given name or `null` if such marker was\n\t * not added to the collection.\n\t */\n\tget( markerName ) {\n\t\treturn this._markers.get( markerName ) || null;\n\t}\n\n\t/**\n\t * Creates and adds a {@link ~Marker marker} to the `MarkerCollection` with given name on given\n\t * {@link module:engine/model/range~Range range}.\n\t *\n\t * If `MarkerCollection` already had a marker with given name (or {@link ~Marker marker} was passed), the marker in\n\t * collection is updated and {@link module:engine/model/markercollection~MarkerCollection#event:update} event is fired\n\t * but only if there was a change (marker range or {@link module:engine/model/markercollection~Marker#managedUsingOperations}\n\t * flag has changed.\n\t *\n\t * @protected\n\t * @fires module:engine/model/markercollection~MarkerCollection#event:update\n\t * @param {String|module:engine/model/markercollection~Marker} markerOrName Name of marker to set or marker instance to update.\n\t * @param {module:engine/model/range~Range} range Marker range.\n\t * @param {Boolean} [managedUsingOperations=false] Specifies whether the marker is managed using operations.\n\t * @param {Boolean} [affectsData=false] Specifies whether the marker affects the data produced by the data pipeline\n\t * (is persisted in the editor's data).\n\t * @returns {module:engine/model/markercollection~Marker} `Marker` instance which was added or updated.\n\t */\n\t_set( markerOrName, range, managedUsingOperations = false, affectsData = false ) {\n\t\tconst markerName = markerOrName instanceof Marker ? markerOrName.name : markerOrName;\n\n\t\tif ( markerName.includes( ',' ) ) {\n\t\t\t/**\n\t\t\t * Marker name cannot contain the \",\" character.\n\t\t\t *\n\t\t\t * @error markercollection-incorrect-marker-name\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'markercollection-incorrect-marker-name', this );\n\t\t}\n\n\t\tconst oldMarker = this._markers.get( markerName );\n\n\t\tif ( oldMarker ) {\n\t\t\tconst oldRange = oldMarker.getRange();\n\t\t\tlet hasChanged = false;\n\n\t\t\tif ( !oldRange.isEqual( range ) ) {\n\t\t\t\toldMarker._attachLiveRange( LiveRange.fromRange( range ) );\n\t\t\t\thasChanged = true;\n\t\t\t}\n\n\t\t\tif ( managedUsingOperations != oldMarker.managedUsingOperations ) {\n\t\t\t\toldMarker._managedUsingOperations = managedUsingOperations;\n\t\t\t\thasChanged = true;\n\t\t\t}\n\n\t\t\tif ( typeof affectsData === 'boolean' && affectsData != oldMarker.affectsData ) {\n\t\t\t\toldMarker._affectsData = affectsData;\n\t\t\t\thasChanged = true;\n\t\t\t}\n\n\t\t\tif ( hasChanged ) {\n\t\t\t\tthis.fire( 'update:' + markerName, oldMarker, oldRange, range );\n\t\t\t}\n\n\t\t\treturn oldMarker;\n\t\t}\n\n\t\tconst liveRange = LiveRange.fromRange( range );\n\t\tconst marker = new Marker( markerName, liveRange, managedUsingOperations, affectsData );\n\n\t\tthis._markers.set( markerName, marker );\n\t\tthis.fire( 'update:' + markerName, marker, null, range );\n\n\t\treturn marker;\n\t}\n\n\t/**\n\t * Removes given {@link ~Marker marker} or a marker with given name from the `MarkerCollection`.\n\t *\n\t * @protected\n\t * @fires module:engine/model/markercollection~MarkerCollection#event:update\n\t * @param {String} markerOrName Marker or name of a marker to remove.\n\t * @returns {Boolean} `true` if marker was found and removed, `false` otherwise.\n\t */\n\t_remove( markerOrName ) {\n\t\tconst markerName = markerOrName instanceof Marker ? markerOrName.name : markerOrName;\n\t\tconst oldMarker = this._markers.get( markerName );\n\n\t\tif ( oldMarker ) {\n\t\t\tthis._markers.delete( markerName );\n\t\t\tthis.fire( 'update:' + markerName, oldMarker, oldMarker.getRange(), null );\n\n\t\t\tthis._destroyMarker( oldMarker );\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Fires an {@link module:engine/model/markercollection~MarkerCollection#event:update} event for the given {@link ~Marker marker}\n\t * but does not change the marker. Useful to force {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher downcast\n\t * conversion} for the marker.\n\t *\n\t * @protected\n\t * @fires module:engine/model/markercollection~MarkerCollection#event:update\n\t * @param {String} markerOrName Marker or name of a marker to refresh.\n\t */\n\t_refresh( markerOrName ) {\n\t\tconst markerName = markerOrName instanceof Marker ? markerOrName.name : markerOrName;\n\t\tconst marker = this._markers.get( markerName );\n\n\t\tif ( !marker ) {\n\t\t\t/**\n\t\t\t * Marker with provided name does not exists.\n\t\t\t *\n\t\t\t * @error markercollection-refresh-marker-not-exists\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'markercollection-refresh-marker-not-exists', this );\n\t\t}\n\n\t\tconst range = marker.getRange();\n\n\t\tthis.fire( 'update:' + markerName, marker, range, range, marker.managedUsingOperations, marker.affectsData );\n\t}\n\n\t/**\n\t * Returns iterator that iterates over all markers, which ranges contain given {@link module:engine/model/position~Position position}.\n\t *\n\t * @param {module:engine/model/position~Position} position\n\t * @returns {Iterable.<module:engine/model/markercollection~Marker>}\n\t */\n\t* getMarkersAtPosition( position ) {\n\t\tfor ( const marker of this ) {\n\t\t\tif ( marker.getRange().containsPosition( position ) ) {\n\t\t\t\tyield marker;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns iterator that iterates over all markers, which intersects with given {@link module:engine/model/range~Range range}.\n\t *\n\t * @param {module:engine/model/range~Range} range\n\t * @returns {Iterable.<module:engine/model/markercollection~Marker>}\n\t */\n\t* getMarkersIntersectingRange( range ) {\n\t\tfor ( const marker of this ) {\n\t\t\tif ( marker.getRange().getIntersection( range ) !== null ) {\n\t\t\t\tyield marker;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Destroys marker collection and all markers inside it.\n\t */\n\tdestroy() {\n\t\tfor ( const marker of this._markers.values() ) {\n\t\t\tthis._destroyMarker( marker );\n\t\t}\n\n\t\tthis._markers = null;\n\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Iterates over all markers that starts with given `prefix`.\n\t *\n\t *\t\tconst markerFooA = markersCollection.set( 'foo:a', rangeFooA );\n\t *\t\tconst markerFooB = markersCollection.set( 'foo:b', rangeFooB );\n\t *\t\tconst markerBarA = markersCollection.set( 'bar:a', rangeBarA );\n\t *\t\tconst markerFooBarA = markersCollection.set( 'foobar:a', rangeFooBarA );\n\t *\t\tArray.from( markersCollection.getMarkersGroup( 'foo' ) ); // [ markerFooA, markerFooB ]\n\t *\t\tArray.from( markersCollection.getMarkersGroup( 'a' ) ); // []\n\t *\n\t * @param prefix\n\t * @returns {Iterable.<module:engine/model/markercollection~Marker>}\n\t */\n\t* getMarkersGroup( prefix ) {\n\t\tfor ( const marker of this._markers.values() ) {\n\t\t\tif ( marker.name.startsWith( prefix + ':' ) ) {\n\t\t\t\tyield marker;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Destroys the marker.\n\t *\n\t * @private\n\t * @param {module:engine/model/markercollection~Marker} marker Marker to destroy.\n\t */\n\t_destroyMarker( marker ) {\n\t\tmarker.stopListening();\n\t\tmarker._detachLiveRange();\n\t}\n\n\t/**\n\t * Fired whenever marker is added, updated or removed from `MarkerCollection`.\n\t *\n\t * @event update\n\t * @param {module:engine/model/markercollection~Marker} marker Updated Marker.\n\t * @param {module:engine/model/range~Range|null} oldRange Marker range before the update. When is not defined it\n\t * means that marker is just added.\n\t * @param {module:engine/model/range~Range|null} newRange Marker range after update. When is not defined it\n\t * means that marker is just removed.\n\t */\n}\n\nmix( MarkerCollection, EmitterMixin );\n\n/**\n * `Marker` is a continuous parts of model (like a range), is named and represent some kind of information about marked\n * part of model document. In contrary to {@link module:engine/model/node~Node nodes}, which are building blocks of\n * model document tree, markers are not stored directly in document tree but in\n * {@link module:engine/model/model~Model#markers model markers' collection}. Still, they are document data, by giving\n * additional meaning to the part of a model document between marker start and marker end.\n *\n * In this sense, markers are similar to adding and converting attributes on nodes. The difference is that attribute is\n * connected with a given node (e.g. a character is bold no matter if it gets moved or content around it changes).\n * Markers on the other hand are continuous ranges and are characterized by their start and end position. This means that\n * any character in the marker is marked by the marker. For example, if a character is moved outside of marker it stops being\n * \"special\" and the marker is shrunk. Similarly, when a character is moved into the marker from other place in document\n * model, it starts being \"special\" and the marker is enlarged.\n *\n * Another upside of markers is that finding marked part of document is fast and easy. Using attributes to mark some nodes\n * and then trying to find that part of document would require traversing whole document tree. Marker gives instant access\n * to the range which it is marking at the moment.\n *\n * Markers are built from a name and a range.\n *\n * Range of the marker is updated automatically when document changes, using\n * {@link module:engine/model/liverange~LiveRange live range} mechanism.\n *\n * Name is used to group and identify markers. Names have to be unique, but markers can be grouped by\n * using common prefixes, separated with `:`, for example: `user:john` or `search:3`. That's useful in term of creating\n * namespaces for custom elements (e.g. comments, highlights). You can use this prefixes in\n * {@link module:engine/model/markercollection~MarkerCollection#event:update} listeners to listen on changes in a group of markers.\n * For instance: `model.markers.on( 'update:user', callback );` will be called whenever any `user:*` markers changes.\n *\n * There are two types of markers.\n *\n * 1. Markers managed directly, without using operations. They are added directly by {@link module:engine/model/writer~Writer}\n * to the {@link module:engine/model/markercollection~MarkerCollection} without any additional mechanism. They can be used\n * as bookmarks or visual markers. They are great for showing results of the find, or select link when the focus is in the input.\n *\n * 1. Markers managed using operations. These markers are also stored in {@link module:engine/model/markercollection~MarkerCollection}\n * but changes in these markers is managed the same way all other changes in the model structure - using operations.\n * Therefore, they are handled in the undo stack and synchronized between clients if the collaboration plugin is enabled.\n * This type of markers is useful for solutions like spell checking or comments.\n *\n * Both type of them should be added / updated by {@link module:engine/model/writer~Writer#addMarker}\n * and removed by {@link module:engine/model/writer~Writer#removeMarker} methods.\n *\n *\t\tmodel.change( ( writer ) => {\n * \t\t\tconst marker = writer.addMarker( name, { range, usingOperation: true } );\n *\n * \t\t\t// ...\n *\n * \t\t\twriter.removeMarker( marker );\n *\t\t} );\n *\n * See {@link module:engine/model/writer~Writer} to find more examples.\n *\n * Since markers need to track change in the document, for efficiency reasons, it is best to create and keep as little\n * markers as possible and remove them as soon as they are not needed anymore.\n *\n * Markers can be downcasted and upcasted.\n *\n * Markers downcast happens on {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker} and\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:removeMarker} events.\n * Use {@link module:engine/conversion/downcasthelpers downcast converters} or attach a custom converter to mentioned events.\n * For {@link module:engine/controller/datacontroller~DataController data pipeline}, marker should be downcasted to an element.\n * Then, it can be upcasted back to a marker. Again, use {@link module:engine/conversion/upcasthelpers upcast converters} or\n * attach a custom converter to {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element}.\n *\n * `Marker` instances are created and destroyed only by {@link ~MarkerCollection MarkerCollection}.\n */\nclass Marker {\n\t/**\n\t * Creates a marker instance.\n\t *\n\t * @param {String} name Marker name.\n\t * @param {module:engine/model/liverange~LiveRange} liveRange Range marked by the marker.\n\t * @param {Boolean} managedUsingOperations Specifies whether the marker is managed using operations.\n\t * @param {Boolean} affectsData Specifies whether the marker affects the data produced by the data pipeline\n\t * (is persisted in the editor's data).\n\t */\n\tconstructor( name, liveRange, managedUsingOperations, affectsData ) {\n\t\t/**\n\t\t * Marker's name.\n\t\t *\n\t\t * @readonly\n\t\t * @type {String}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * Range marked by the marker.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/model/liverange~LiveRange}\n\t\t */\n\t\tthis._liveRange = this._attachLiveRange( liveRange );\n\n\t\t/**\n\t\t * Flag indicates if the marker is managed using operations or not.\n\t\t *\n\t\t * @private\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._managedUsingOperations = managedUsingOperations;\n\n\t\t/**\n\t\t * Specifies whether the marker affects the data produced by the data pipeline\n\t\t * (is persisted in the editor's data).\n\t\t *\n\t\t * @private\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._affectsData = affectsData;\n\t}\n\n\t/**\n\t * A value indicating if the marker is managed using operations.\n\t * See {@link ~Marker marker class description} to learn more about marker types.\n\t * See {@link module:engine/model/writer~Writer#addMarker}.\n\t *\n\t * @returns {Boolean}\n\t */\n\tget managedUsingOperations() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._managedUsingOperations;\n\t}\n\n\t/**\n\t * A value indicating if the marker changes the data.\n\t *\n\t * @returns {Boolean}\n\t */\n\tget affectsData() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._affectsData;\n\t}\n\n\t/**\n\t * Returns current marker start position.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetStart() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._liveRange.start.clone();\n\t}\n\n\t/**\n\t * Returns current marker end position.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetEnd() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._liveRange.end.clone();\n\t}\n\n\t/**\n\t * Returns a range that represents the current state of the marker.\n\t *\n\t * Keep in mind that returned value is a {@link module:engine/model/range~Range Range}, not a\n\t * {@link module:engine/model/liverange~LiveRange LiveRange}. This means that it is up-to-date and relevant only\n\t * until next model document change. Do not store values returned by this method. Instead, store {@link ~Marker#name}\n\t * and get `Marker` instance from {@link module:engine/model/markercollection~MarkerCollection MarkerCollection} every\n\t * time there is a need to read marker properties. This will guarantee that the marker has not been removed and\n\t * that it's data is up-to-date.\n\t *\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tgetRange() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._liveRange.toRange();\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tmarker.is( 'marker' ); // -> true\n\t *\t\tmarker.is( 'model:marker' ); // -> true\n\t *\n\t *\t\tmarker.is( 'view:element' ); // -> false\n\t *\t\tmarker.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'marker' || type === 'model:marker';\n\t}\n\n\t/**\n\t * Binds new live range to the marker and detach the old one if is attached.\n\t *\n\t * @protected\n\t * @param {module:engine/model/liverange~LiveRange} liveRange Live range to attach\n\t * @returns {module:engine/model/liverange~LiveRange} Attached live range.\n\t */\n\t_attachLiveRange( liveRange ) {\n\t\tif ( this._liveRange ) {\n\t\t\tthis._detachLiveRange();\n\t\t}\n\n\t\t// Delegating does not work with namespaces. Alternatively, we could delegate all events (using `*`).\n\t\tliveRange.delegate( 'change:range' ).to( this );\n\t\tliveRange.delegate( 'change:content' ).to( this );\n\n\t\tthis._liveRange = liveRange;\n\n\t\treturn liveRange;\n\t}\n\n\t/**\n\t * Unbinds and destroys currently attached live range.\n\t *\n\t * @protected\n\t */\n\t_detachLiveRange() {\n\t\tthis._liveRange.stopDelegating( 'change:range', this );\n\t\tthis._liveRange.stopDelegating( 'change:content', this );\n\t\tthis._liveRange.detach();\n\t\tthis._liveRange = null;\n\t}\n\n\t/**\n\t * Fired whenever {@link ~Marker#_liveRange marker range} is changed due to changes on {@link module:engine/model/document~Document}.\n\t * This is a delegated {@link module:engine/model/liverange~LiveRange#event:change:range LiveRange change:range event}.\n\t *\n\t * When marker is removed from {@link module:engine/model/markercollection~MarkerCollection MarkerCollection},\n\t * all event listeners listening to it should be removed. It is best to do it on\n\t * {@link module:engine/model/markercollection~MarkerCollection#event:update MarkerCollection update event}.\n\t *\n\t * @see module:engine/model/liverange~LiveRange#event:change:range\n\t * @event change:range\n\t * @param {module:engine/model/range~Range} oldRange\n\t * @param {Object} data\n\t */\n\n\t/**\n\t * Fired whenever change on {@link module:engine/model/document~Document} is done inside {@link ~Marker#_liveRange marker range}.\n\t * This is a delegated {@link module:engine/model/liverange~LiveRange#event:change:content LiveRange change:content event}.\n\t *\n\t * When marker is removed from {@link module:engine/model/markercollection~MarkerCollection MarkerCollection},\n\t * all event listeners listening to it should be removed. It is best to do it on\n\t * {@link module:engine/model/markercollection~MarkerCollection#event:update MarkerCollection update event}.\n\t *\n\t * @see module:engine/model/liverange~LiveRange#event:change:content\n\t * @event change:content\n\t * @param {module:engine/model/range~Range} oldRange\n\t * @param {Object} data\n\t */\n}\n\nmix( Marker, EmitterMixin );\n\n/**\n * Cannot use a {@link module:engine/model/markercollection~MarkerCollection#destroy destroyed marker} instance.\n *\n * @error marker-destroyed\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/nooperation\n */\n\nimport Operation from './operation';\n\n/**\n * Operation which is doing nothing (\"empty operation\", \"do-nothing operation\", \"noop\"). This is an operation,\n * which when executed does not change the tree model. It still has some parameters defined for transformation purposes.\n *\n * In most cases this operation is a result of transforming operations. When transformation returns\n * {@link module:engine/model/operation/nooperation~NoOperation} it means that changes done by the transformed operation\n * have already been applied.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class NoOperation extends Operation {\n\tget type() {\n\t\treturn 'noop';\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/nooperation~NoOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new NoOperation( this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/nooperation~NoOperation}\n\t */\n\tgetReversed() {\n\t\treturn new NoOperation( this.baseVersion + 1 );\n\t}\n\n\t_execute() {\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'NoOperation';\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `NoOperation( ${ this.baseVersion } )`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/operationfactory\n */\n\nimport AttributeOperation from '../operation/attributeoperation';\nimport InsertOperation from '../operation/insertoperation';\nimport MarkerOperation from '../operation/markeroperation';\nimport MoveOperation from '../operation/moveoperation';\nimport NoOperation from '../operation/nooperation';\nimport Operation from '../operation/operation';\nimport RenameOperation from '../operation/renameoperation';\nimport RootAttributeOperation from '../operation/rootattributeoperation';\nimport SplitOperation from '../operation/splitoperation';\nimport MergeOperation from '../operation/mergeoperation';\n\nconst operations = {};\noperations[ AttributeOperation.className ] = AttributeOperation;\noperations[ InsertOperation.className ] = InsertOperation;\noperations[ MarkerOperation.className ] = MarkerOperation;\noperations[ MoveOperation.className ] = MoveOperation;\noperations[ NoOperation.className ] = NoOperation;\noperations[ Operation.className ] = Operation;\noperations[ RenameOperation.className ] = RenameOperation;\noperations[ RootAttributeOperation.className ] = RootAttributeOperation;\noperations[ SplitOperation.className ] = SplitOperation;\noperations[ MergeOperation.className ] = MergeOperation;\n\n/**\n * A factory class for creating operations.\n *\n * @abstract\n */\nexport default class OperationFactory {\n\t/**\n\t * Creates an operation instance from a JSON object (parsed JSON string).\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/operation~Operation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\treturn operations[ json.__className ].fromJSON( json, document );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/liveposition\n */\n\nimport Position from './position';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * `LivePosition` is a type of {@link module:engine/model/position~Position Position}\n * that updates itself as {@link module:engine/model/document~Document document}\n * is changed through operations. It may be used as a bookmark.\n *\n * **Note:** Contrary to {@link module:engine/model/position~Position}, `LivePosition` works only in roots that are\n * {@link module:engine/model/rootelement~RootElement}.\n * If {@link module:engine/model/documentfragment~DocumentFragment} is passed, error will be thrown.\n *\n * **Note:** Be very careful when dealing with `LivePosition`. Each `LivePosition` instance bind events that might\n * have to be unbound.\n * Use {@link module:engine/model/liveposition~LivePosition#detach} whenever you don't need `LivePosition` anymore.\n *\n * @extends module:engine/model/position~Position\n */\nexport default class LivePosition extends Position {\n\t/**\n\t * Creates a live position.\n\t *\n\t * @see module:engine/model/position~Position\n\t * @param {module:engine/model/rootelement~RootElement} root\n\t * @param {Array.<Number>} path\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness]\n\t */\n\tconstructor( root, path, stickiness = 'toNone' ) {\n\t\tsuper( root, path, stickiness );\n\n\t\tif ( !this.root.is( 'rootElement' ) ) {\n\t\t\t/**\n\t\t\t * LivePosition's root has to be an instance of RootElement.\n\t\t\t *\n\t\t\t * @error model-liveposition-root-not-rootelement\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-liveposition-root-not-rootelement', root );\n\t\t}\n\n\t\tbindWithDocument.call( this );\n\t}\n\n\t/**\n\t * Unbinds all events previously bound by `LivePosition`. Use it whenever you don't need `LivePosition` instance\n\t * anymore (i.e. when leaving scope in which it was declared or before re-assigning variable that was\n\t * referring to it).\n\t */\n\tdetach() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tlivePosition.is( 'position' ); // -> true\n\t *\t\tlivePosition.is( 'model:position' ); // -> true\n\t *\t\tlivePosition.is( 'liveposition' ); // -> true\n\t *\t\tlivePosition.is( 'model:livePosition' ); // -> true\n\t *\n\t *\t\tlivePosition.is( 'view:position' ); // -> false\n\t *\t\tlivePosition.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'livePosition' || type === 'model:livePosition' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype == 'position' || type === 'model:position';\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/model/position~Position position instance}, which is equal to this live position.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\ttoPosition() {\n\t\treturn new Position( this.root, this.path.slice(), this.stickiness );\n\t}\n\n\t/**\n\t * Creates a `LivePosition` instance that is equal to position.\n\t *\n\t * @param {module:engine/model/position~Position} position\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness]\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tstatic fromPosition( position, stickiness ) {\n\t\treturn new this( position.root, position.path.slice(), stickiness ? stickiness : position.stickiness );\n\t}\n\n\t/**\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liveposition~LivePosition._createAfter\n\t * @see module:engine/model/position~Position._createAfter\n\t * @param {module:engine/model/node~Node} node\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone']\n\t * @returns {module:engine/model/liveposition~LivePosition}\n\t */\n\n\t/**\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liveposition~LivePosition._createBefore\n\t * @see module:engine/model/position~Position._createBefore\n\t * @param {module:engine/model/node~Node} node\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone']\n\t * @returns {module:engine/model/liveposition~LivePosition}\n\t */\n\n\t/**\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liveposition~LivePosition._createAt\n\t * @see module:engine/model/position~Position._createAt\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset]\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone']\n\t * @returns {module:engine/model/liveposition~LivePosition}\n\t */\n\n\t/**\n\t * Fired when `LivePosition` instance is changed due to changes on {@link module:engine/model/document~Document}.\n\t *\n\t * @event module:engine/model/liveposition~LivePosition#change\n\t * @param {module:engine/model/position~Position} oldPosition Position equal to this live position before it got changed.\n\t */\n}\n\n// Binds this `LivePosition` to the {@link module:engine/model/document~Document document} that owns\n// this position's {@link module:engine/model/position~Position#root root}.\n//\n// @private\nfunction bindWithDocument() {\n\tthis.listenTo(\n\t\tthis.root.document.model,\n\t\t'applyOperation',\n\t\t( event, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( !operation.isDocumentOperation ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\ttransform.call( this, operation );\n\t\t},\n\t\t{ priority: 'low' }\n\t);\n}\n\n// Updates this position accordingly to the updates applied to the model. Bases on change events.\n//\n// @private\n// @param {module:engine/model/operation/operation~Operation} operation Executed operation.\nfunction transform( operation ) {\n\tconst result = this.getTransformedByOperation( operation );\n\n\tif ( !this.isEqual( result ) ) {\n\t\tconst oldPosition = this.toPosition();\n\n\t\tthis.path = result.path;\n\t\tthis.root = result.root;\n\n\t\tthis.fire( 'change', oldPosition );\n\t}\n}\n\nmix( LivePosition, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/insertcontent\n */\n\nimport Position from '../position';\nimport LivePosition from '../liveposition';\nimport Element from '../element';\nimport Range from '../range';\nimport DocumentSelection from '../documentselection';\nimport Selection from '../selection';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Inserts content into the editor (specified selection) as one would expect the paste functionality to work.\n *\n * It takes care of removing the selected content, splitting elements (if needed), inserting elements and merging elements appropriately.\n *\n * Some examples:\n *\n * \t\t<p>x^</p> + <p>y</p> => <p>x</p><p>y</p> => <p>xy[]</p>\n * \t\t<p>x^y</p> + <p>z</p> => <p>x</p>^<p>y</p> + <p>z</p> => <p>x</p><p>z</p><p>y</p> => <p>xz[]y</p>\n * \t\t<p>x^y</p> + <img /> => <p>x</p>^<p>y</p> + <img /> => <p>x</p><img /><p>y</p>\n * \t\t<p>x</p><p>^</p><p>z</p> + <p>y</p> => <p>x</p><p>y[]</p><p>z</p> (no merging)\n * \t\t<p>x</p>[<img />]<p>z</p> + <p>y</p> => <p>x</p>^<p>z</p> + <p>y</p> => <p>x</p><p>y[]</p><p>z</p>\n *\n * If an instance of {@link module:engine/model/selection~Selection} is passed as `selectable` it will be modified\n * to the insertion selection (equal to a range to be selected after insertion).\n *\n * If `selectable` is not passed, the content will be inserted using the current selection of the model document.\n *\n * **Note:** Use {@link module:engine/model/model~Model#insertContent} instead of this function.\n * This function is only exposed to be reusable in algorithms which change the {@link module:engine/model/model~Model#insertContent}\n * method's behavior.\n *\n * @param {module:engine/model/model~Model} model The model in context of which the insertion\n * should be performed.\n * @param {module:engine/model/documentfragment~DocumentFragment|module:engine/model/item~Item} content The content to insert.\n * @param {module:engine/model/selection~Selectable} [selectable=model.document.selection]\n * Selection into which the content should be inserted.\n * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n * @returns {module:engine/model/range~Range} Range which contains all the performed changes. This is a range that, if removed,\n * would return the model to the state before the insertion. If no changes were preformed by `insertContent`, returns a range collapsed\n * at the insertion position.\n */\nexport default function insertContent( model, content, selectable, placeOrOffset ) {\n\treturn model.change( writer => {\n\t\tlet selection;\n\n\t\tif ( !selectable ) {\n\t\t\tselection = model.document.selection;\n\t\t} else if ( selectable instanceof Selection || selectable instanceof DocumentSelection ) {\n\t\t\tselection = selectable;\n\t\t} else {\n\t\t\tselection = writer.createSelection( selectable, placeOrOffset );\n\t\t}\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\tmodel.deleteContent( selection, { doNotAutoparagraph: true } );\n\t\t}\n\n\t\tconst insertion = new Insertion( model, writer, selection.anchor );\n\n\t\tlet nodesToInsert;\n\n\t\tif ( content.is( 'documentFragment' ) ) {\n\t\t\tnodesToInsert = content.getChildren();\n\t\t} else {\n\t\t\tnodesToInsert = [ content ];\n\t\t}\n\n\t\tinsertion.handleNodes( nodesToInsert );\n\n\t\tconst newRange = insertion.getSelectionRange();\n\n\t\t/* istanbul ignore else */\n\t\tif ( newRange ) {\n\t\t\tif ( selection instanceof DocumentSelection ) {\n\t\t\t\twriter.setSelection( newRange );\n\t\t\t} else {\n\t\t\t\tselection.setTo( newRange );\n\t\t\t}\n\t\t} else {\n\t\t\t// We are not testing else because it's a safe check for unpredictable edge cases:\n\t\t\t// an insertion without proper range to select.\n\t\t\t//\n\t\t\t// @if CK_DEBUG // console.warn( 'Cannot determine a proper selection range after insertion.' );\n\t\t}\n\n\t\tconst affectedRange = insertion.getAffectedRange() || model.createRange( selection.anchor );\n\n\t\tinsertion.destroy();\n\n\t\treturn affectedRange;\n\t} );\n}\n\n/**\n * Utility class for performing content insertion.\n *\n * @private\n */\nclass Insertion {\n\tconstructor( model, writer, position ) {\n\t\t/**\n\t\t * The model in context of which the insertion should be performed.\n\t\t *\n\t\t * @member {module:engine/model~Model} #model\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * Batch to which operations will be added.\n\t\t *\n\t\t * @member {module:engine/controller/writer~Batch} #writer\n\t\t */\n\t\tthis.writer = writer;\n\n\t\t/**\n\t\t * The position at which (or near which) the next node will be inserted.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} #position\n\t\t */\n\t\tthis.position = position;\n\n\t\t/**\n\t\t * Elements with which the inserted elements can be merged.\n\t\t *\n\t\t *\t\t<p>x^</p><p>y</p> + <p>z</p> (can merge to <p>x</p>)\n\t\t *\t\t<p>x</p><p>^y</p> + <p>z</p> (can merge to <p>y</p>)\n\t\t *\t\t<p>x^y</p> + <p>z</p> (can merge to <p>xy</p> which will be split during the action,\n\t\t *\t\t\t\t\t\t\t\tso both its pieces will be added to this set)\n\t\t *\n\t\t *\n\t\t * @member {Set} #canMergeWith\n\t\t */\n\t\tthis.canMergeWith = new Set( [ this.position.parent ] );\n\n\t\t/**\n\t\t * Schema of the model.\n\t\t *\n\t\t * @member {module:engine/model/schema~Schema} #schema\n\t\t */\n\t\tthis.schema = model.schema;\n\n\t\t/**\n\t\t * The temporary DocumentFragment used for grouping multiple nodes for single insert operation.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/documentfragment~DocumentFragment}\n\t\t */\n\t\tthis._documentFragment = writer.createDocumentFragment();\n\n\t\t/**\n\t\t * The current position in the temporary DocumentFragment.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/position~Position}\n\t\t */\n\t\tthis._documentFragmentPosition = writer.createPositionAt( this._documentFragment, 0 );\n\n\t\t/**\n\t\t * The reference to the first inserted node.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/node~Node}\n\t\t */\n\t\tthis._firstNode = null;\n\n\t\t/**\n\t\t * The reference to the last inserted node.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/node~Node}\n\t\t */\n\t\tthis._lastNode = null;\n\n\t\t/**\n\t\t * The array of nodes that should be cleaned of not allowed attributes.\n\t\t *\n\t\t * @private\n\t\t * @type {Array.<module:engine/model/node~Node>}\n\t\t */\n\t\tthis._filterAttributesOf = [];\n\n\t\t/**\n\t\t * Beginning of the affected range. See {@link module:engine/model/utils/insertcontent~Insertion#getAffectedRange}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/liveposition~LivePosition|null} #_affectedStart\n\t\t */\n\t\tthis._affectedStart = null;\n\n\t\t/**\n\t\t * End of the affected range. See {@link module:engine/model/utils/insertcontent~Insertion#getAffectedRange}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/liveposition~LivePosition|null} #_affectedEnd\n\t\t */\n\t\tthis._affectedEnd = null;\n\t}\n\n\t/**\n\t * Handles insertion of a set of nodes.\n\t *\n\t * @param {Iterable.<module:engine/model/node~Node>} nodes Nodes to insert.\n\t */\n\thandleNodes( nodes ) {\n\t\tfor ( const node of Array.from( nodes ) ) {\n\t\t\tthis._handleNode( node );\n\t\t}\n\n\t\t// Insert nodes collected in temporary DocumentFragment.\n\t\tthis._insertPartialFragment();\n\n\t\t// After the content was inserted we may try to merge it with its next sibling if the selection was in it initially.\n\t\t// Merging with the previous sibling was performed just after inserting the first node to the document.\n\t\tthis._mergeOnRight();\n\n\t\t// TMP this will become a post-fixer.\n\t\tthis.schema.removeDisallowedAttributes( this._filterAttributesOf, this.writer );\n\t\tthis._filterAttributesOf = [];\n\t}\n\n\t/**\n\t * Returns range to be selected after insertion.\n\t * Returns `null` if there is no valid range to select after insertion.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetSelectionRange() {\n\t\tif ( this.nodeToSelect ) {\n\t\t\treturn Range._createOn( this.nodeToSelect );\n\t\t}\n\n\t\treturn this.model.schema.getNearestSelectionRange( this.position );\n\t}\n\n\t/**\n\t * Returns a range which contains all the performed changes. This is a range that, if removed, would return the model to the state\n\t * before the insertion. Returns `null` if no changes were done.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetAffectedRange() {\n\t\tif ( !this._affectedStart ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn new Range( this._affectedStart, this._affectedEnd );\n\t}\n\n\t/**\n\t * Destroys `Insertion` instance.\n\t */\n\tdestroy() {\n\t\tif ( this._affectedStart ) {\n\t\t\tthis._affectedStart.detach();\n\t\t}\n\n\t\tif ( this._affectedEnd ) {\n\t\t\tthis._affectedEnd.detach();\n\t\t}\n\t}\n\n\t/**\n\t * Handles insertion of a single node.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node\n\t */\n\t_handleNode( node ) {\n\t\t// Let's handle object in a special way.\n\t\t// * They should never be merged with other elements.\n\t\t// * If they are not allowed in any of the selection ancestors, they could be either autoparagraphed or totally removed.\n\t\tif ( this.schema.isObject( node ) ) {\n\t\t\tthis._handleObject( node );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Try to find a place for the given node.\n\t\t// Split the position.parent's branch up to a point where the node can be inserted.\n\t\t// If it isn't allowed in the whole branch, then of course don't split anything.\n\t\tconst isAllowed = this._checkAndSplitToAllowedPosition( node );\n\n\t\tif ( !isAllowed ) {\n\t\t\tthis._handleDisallowedNode( node );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Add node to the current temporary DocumentFragment.\n\t\tthis._appendToFragment( node );\n\n\t\t// Store the first and last nodes for easy access for merging with sibling nodes.\n\t\tif ( !this._firstNode ) {\n\t\t\tthis._firstNode = node;\n\t\t}\n\n\t\tthis._lastNode = node;\n\t}\n\n\t/**\n\t * Inserts the temporary DocumentFragment into the model.\n\t *\n\t * @private\n\t */\n\t_insertPartialFragment() {\n\t\tif ( this._documentFragment.isEmpty ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst livePosition = LivePosition.fromPosition( this.position, 'toNext' );\n\n\t\tthis._setAffectedBoundaries( this.position );\n\n\t\t// If the very first node of the whole insertion process is inserted, insert it separately for OT reasons (undo).\n\t\t// Note: there can be multiple calls to `_insertPartialFragment()` during one insertion process.\n\t\t// Note: only the very first node can be merged so we have to do separate operation only for it.\n\t\tif ( this._documentFragment.getChild( 0 ) == this._firstNode ) {\n\t\t\tthis.writer.insert( this._firstNode, this.position );\n\n\t\t\t// We must merge the first node just after inserting it to avoid problems with OT.\n\t\t\t// (See: https://github.com/ckeditor/ckeditor5/pull/8773#issuecomment-760945652).\n\t\t\tthis._mergeOnLeft();\n\n\t\t\tthis.position = livePosition.toPosition();\n\t\t}\n\n\t\t// Insert the remaining nodes from document fragment.\n\t\tif ( !this._documentFragment.isEmpty ) {\n\t\t\tthis.writer.insert( this._documentFragment, this.position );\n\t\t}\n\n\t\tthis._documentFragmentPosition = this.writer.createPositionAt( this._documentFragment, 0 );\n\n\t\tthis.position = livePosition.toPosition();\n\t\tlivePosition.detach();\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/element~Element} node The object element.\n\t */\n\t_handleObject( node ) {\n\t\t// Try finding it a place in the tree.\n\t\tif ( this._checkAndSplitToAllowedPosition( node ) ) {\n\t\t\tthis._appendToFragment( node );\n\t\t}\n\t\t// Try autoparagraphing.\n\t\telse {\n\t\t\tthis._tryAutoparagraphing( node );\n\t\t}\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/node~Node} node The disallowed node which needs to be handled.\n\t */\n\t_handleDisallowedNode( node ) {\n\t\t// If the node is an element, try inserting its children (strip the parent).\n\t\tif ( node.is( 'element' ) ) {\n\t\t\tthis.handleNodes( node.getChildren() );\n\t\t}\n\t\t// If text is not allowed, try autoparagraphing it.\n\t\telse {\n\t\t\tthis._tryAutoparagraphing( node );\n\t\t}\n\t}\n\n\t/**\n\t * Append a node to the temporary DocumentFragment.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node to insert.\n\t */\n\t_appendToFragment( node ) {\n\t\t/* istanbul ignore if */\n\t\tif ( !this.schema.checkChild( this.position, node ) ) {\n\t\t\t// Algorithm's correctness check. We should never end up here but it's good to know that we did.\n\t\t\t// Note that it would often be a silent issue if we insert node in a place where it's not allowed.\n\n\t\t\t/**\n\t\t\t * Given node cannot be inserted on the given position.\n\t\t\t *\n\t\t\t * @error insertcontent-wrong-position\n\t\t\t * @param {module:engine/model/node~Node} node Node to insert.\n\t\t\t * @param {module:engine/model/position~Position} position Position to insert the node at.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'insertcontent-wrong-position',\n\t\t\t\tthis,\n\t\t\t\t{ node, position: this.position }\n\t\t\t);\n\t\t}\n\n\t\tthis.writer.insert( node, this._documentFragmentPosition );\n\t\tthis._documentFragmentPosition = this._documentFragmentPosition.getShiftedBy( node.offsetSize );\n\n\t\t// The last inserted object should be selected because we can't put a collapsed selection after it.\n\t\tif ( this.schema.isObject( node ) && !this.schema.checkChild( this.position, '$text' ) ) {\n\t\t\tthis.nodeToSelect = node;\n\t\t} else {\n\t\t\tthis.nodeToSelect = null;\n\t\t}\n\n\t\tthis._filterAttributesOf.push( node );\n\t}\n\n\t/**\n\t * Sets `_affectedStart` and `_affectedEnd` to the given `position`. Should be used before a change is done during insertion process to\n\t * mark the affected range.\n\t *\n\t * This method is used before inserting a node or splitting a parent node. `_affectedStart` and `_affectedEnd` are also changed\n\t * during merging, but the logic there is more complicated so it is left out of this function.\n\t *\n\t * @private\n\t * @param {module:engine/model/position~Position} position\n\t */\n\t_setAffectedBoundaries( position ) {\n\t\t// Set affected boundaries stickiness so that those position will \"expand\" when something is inserted in between them:\n\t\t// <paragraph>Foo][bar</paragraph> -> <paragraph>Foo]xx[bar</paragraph>\n\t\t// This is why it cannot be a range but two separate positions.\n\t\tif ( !this._affectedStart ) {\n\t\t\tthis._affectedStart = LivePosition.fromPosition( position, 'toPrevious' );\n\t\t}\n\n\t\t// If `_affectedEnd` is before the new boundary position, expand `_affectedEnd`. This can happen if first inserted node was\n\t\t// inserted into the parent but the next node is moved-out of that parent:\n\t\t// (1) <paragraph>Foo][</paragraph> -> <paragraph>Foo]xx[</paragraph>\n\t\t// (2) <paragraph>Foo]xx[</paragraph> -> <paragraph>Foo]xx</paragraph><widget></widget>[\n\t\tif ( !this._affectedEnd || this._affectedEnd.isBefore( position ) ) {\n\t\t\tif ( this._affectedEnd ) {\n\t\t\t\tthis._affectedEnd.detach();\n\t\t\t}\n\n\t\t\tthis._affectedEnd = LivePosition.fromPosition( position, 'toNext' );\n\t\t}\n\t}\n\n\t/**\n\t * Merges the previous sibling of the first node if it should be merged.\n\t *\n\t * After the content was inserted we may try to merge it with its siblings.\n\t * This should happen only if the selection was in those elements initially.\n\t *\n\t * @private\n\t */\n\t_mergeOnLeft() {\n\t\tconst node = this._firstNode;\n\n\t\tif ( !( node instanceof Element ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !this._canMergeLeft( node ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst mergePosLeft = LivePosition._createBefore( node );\n\t\tmergePosLeft.stickiness = 'toNext';\n\n\t\tconst livePosition = LivePosition.fromPosition( this.position, 'toNext' );\n\n\t\t// If `_affectedStart` is sames as merge position, it means that the element \"marked\" by `_affectedStart` is going to be\n\t\t// removed and its contents will be moved. This won't transform `LivePosition` so `_affectedStart` needs to be moved\n\t\t// by hand to properly reflect affected range. (Due to `_affectedStart` and `_affectedEnd` stickiness, the \"range\" is\n\t\t// shown as `][`).\n\t\t//\n\t\t// Example - insert `<paragraph>Abc</paragraph><paragraph>Xyz</paragraph>` at the end of `<paragraph>Foo^</paragraph>`:\n\t\t//\n\t\t// <paragraph>Foo</paragraph><paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo</paragraph>]<paragraph>Abc</paragraph><paragraph>Xyz</paragraph>[<paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo]Abc</paragraph><paragraph>Xyz</paragraph>[<paragraph>Bar</paragraph>\n\t\t//\n\t\t// Note, that if we are here then something must have been inserted, so `_affectedStart` and `_affectedEnd` have to be set.\n\t\tif ( this._affectedStart.isEqual( mergePosLeft ) ) {\n\t\t\tthis._affectedStart.detach();\n\t\t\tthis._affectedStart = LivePosition._createAt( mergePosLeft.nodeBefore, 'end', 'toPrevious' );\n\t\t}\n\n\t\t// We need to update the references to the first and last nodes if they will be merged into the previous sibling node\n\t\t// because the reference would point to the removed node.\n\t\t//\n\t\t// <p>A^A</p> + <p>X</p>\n\t\t//\n\t\t// <p>A</p>^<p>A</p>\n\t\t// <p>A</p><p>X</p><p>A</p>\n\t\t// <p>AX</p><p>A</p>\n\t\t// <p>AXA</p>\n\t\tif ( this._firstNode === this._lastNode ) {\n\t\t\tthis._firstNode = mergePosLeft.nodeBefore;\n\t\t\tthis._lastNode = mergePosLeft.nodeBefore;\n\t\t}\n\n\t\tthis.writer.merge( mergePosLeft );\n\n\t\t// If only one element (the merged one) is in the \"affected range\", also move the affected range end appropriately.\n\t\t//\n\t\t// Example - insert `<paragraph>Abc</paragraph>` at the of `<paragraph>Foo^</paragraph>`:\n\t\t//\n\t\t// <paragraph>Foo</paragraph><paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo</paragraph>]<paragraph>Abc</paragraph>[<paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo]Abc</paragraph>[<paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo]Abc[</paragraph><paragraph>Bar</paragraph>\n\t\tif ( mergePosLeft.isEqual( this._affectedEnd ) && this._firstNode === this._lastNode ) {\n\t\t\tthis._affectedEnd.detach();\n\t\t\tthis._affectedEnd = LivePosition._createAt( mergePosLeft.nodeBefore, 'end', 'toNext' );\n\t\t}\n\n\t\tthis.position = livePosition.toPosition();\n\t\tlivePosition.detach();\n\n\t\t// After merge elements that were marked by _insert() to be filtered might be gone so\n\t\t// we need to mark the new container.\n\t\tthis._filterAttributesOf.push( this.position.parent );\n\n\t\tmergePosLeft.detach();\n\t}\n\n\t/**\n\t * Merges the next sibling of the last node if it should be merged.\n\t *\n\t * After the content was inserted we may try to merge it with its siblings.\n\t * This should happen only if the selection was in those elements initially.\n\t *\n\t * @private\n\t */\n\t_mergeOnRight() {\n\t\tconst node = this._lastNode;\n\n\t\tif ( !( node instanceof Element ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !this._canMergeRight( node ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst mergePosRight = LivePosition._createAfter( node );\n\t\tmergePosRight.stickiness = 'toNext';\n\n\t\t/* istanbul ignore if */\n\t\tif ( !this.position.isEqual( mergePosRight ) ) {\n\t\t\t// Algorithm's correctness check. We should never end up here but it's good to know that we did.\n\t\t\t// At this point the insertion position should be after the node we'll merge. If it isn't,\n\t\t\t// it should need to be secured as in the left merge case.\n\t\t\t/**\n\t\t\t * An internal error occurred when merging inserted content with its siblings.\n\t\t\t * The insertion position should equal the merge position.\n\t\t\t *\n\t\t\t * If you encountered this error, report it back to the CKEditor 5 team\n\t\t\t * with as many details as possible regarding the content being inserted and the insertion position.\n\t\t\t *\n\t\t\t * @error insertcontent-invalid-insertion-position\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'insertcontent-invalid-insertion-position', this );\n\t\t}\n\n\t\t// Move the position to the previous node, so it isn't moved to the graveyard on merge.\n\t\t// <p>x</p>[]<p>y</p> => <p>x[]</p><p>y</p>\n\t\tthis.position = Position._createAt( mergePosRight.nodeBefore, 'end' );\n\n\t\t// Explanation of setting position stickiness to `'toPrevious'`:\n\t\t// OK:  <p>xx[]</p> + <p>yy</p> => <p>xx[]yy</p> (when sticks to previous)\n\t\t// NOK: <p>xx[]</p> + <p>yy</p> => <p>xxyy[]</p> (when sticks to next)\n\t\tconst livePosition = LivePosition.fromPosition( this.position, 'toPrevious' );\n\n\t\t// See comment in `_mergeOnLeft()` on moving `_affectedStart`.\n\t\tif ( this._affectedEnd.isEqual( mergePosRight ) ) {\n\t\t\tthis._affectedEnd.detach();\n\t\t\tthis._affectedEnd = LivePosition._createAt( mergePosRight.nodeBefore, 'end', 'toNext' );\n\t\t}\n\n\t\t// We need to update the references to the first and last nodes if they will be merged into the previous sibling node\n\t\t// because the reference would point to the removed node.\n\t\t//\n\t\t// <p>A^A</p> + <p>X</p>\n\t\t//\n\t\t// <p>A</p>^<p>A</p>\n\t\t// <p>A</p><p>X</p><p>A</p>\n\t\t// <p>AX</p><p>A</p>\n\t\t// <p>AXA</p>\n\t\tif ( this._firstNode === this._lastNode ) {\n\t\t\tthis._firstNode = mergePosRight.nodeBefore;\n\t\t\tthis._lastNode = mergePosRight.nodeBefore;\n\t\t}\n\n\t\tthis.writer.merge( mergePosRight );\n\n\t\t// See comment in `_mergeOnLeft()` on moving `_affectedStart`.\n\t\tif ( mergePosRight.getShiftedBy( -1 ).isEqual( this._affectedStart ) && this._firstNode === this._lastNode ) {\n\t\t\tthis._affectedStart.detach();\n\t\t\tthis._affectedStart = LivePosition._createAt( mergePosRight.nodeBefore, 0, 'toPrevious' );\n\t\t}\n\n\t\tthis.position = livePosition.toPosition();\n\t\tlivePosition.detach();\n\n\t\t// After merge elements that were marked by _insert() to be filtered might be gone so\n\t\t// we need to mark the new container.\n\t\tthis._filterAttributesOf.push( this.position.parent );\n\n\t\tmergePosRight.detach();\n\t}\n\n\t/**\n\t * Checks whether specified node can be merged with previous sibling element.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node which could potentially be merged.\n\t * @returns {Boolean}\n\t */\n\t_canMergeLeft( node ) {\n\t\tconst previousSibling = node.previousSibling;\n\n\t\treturn ( previousSibling instanceof Element ) &&\n\t\t\tthis.canMergeWith.has( previousSibling ) &&\n\t\t\tthis.model.schema.checkMerge( previousSibling, node );\n\t}\n\n\t/**\n\t * Checks whether specified node can be merged with next sibling element.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node which could potentially be merged.\n\t * @returns {Boolean}\n\t */\n\t_canMergeRight( node ) {\n\t\tconst nextSibling = node.nextSibling;\n\n\t\treturn ( nextSibling instanceof Element ) &&\n\t\t\tthis.canMergeWith.has( nextSibling ) &&\n\t\t\tthis.model.schema.checkMerge( node, nextSibling );\n\t}\n\n\t/**\n\t * Tries wrapping the node in a new paragraph and inserting it this way.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node which needs to be autoparagraphed.\n\t */\n\t_tryAutoparagraphing( node ) {\n\t\tconst paragraph = this.writer.createElement( 'paragraph' );\n\n\t\t// Do not autoparagraph if the paragraph won't be allowed there,\n\t\t// cause that would lead to an infinite loop. The paragraph would be rejected in\n\t\t// the next _handleNode() call and we'd be here again.\n\t\tif ( this._getAllowedIn( paragraph, this.position.parent ) && this.schema.checkChild( paragraph, node ) ) {\n\t\t\tparagraph._appendChild( node );\n\t\t\tthis._handleNode( paragraph );\n\t\t}\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/node~Node} node\n\t * @returns {Boolean} Whether an allowed position was found.\n\t * `false` is returned if the node isn't allowed at any position up in the tree, `true` if was.\n\t */\n\t_checkAndSplitToAllowedPosition( node ) {\n\t\tconst allowedIn = this._getAllowedIn( node, this.position.parent );\n\n\t\tif ( !allowedIn ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Insert nodes collected in temporary DocumentFragment if the position parent needs change to process further nodes.\n\t\tif ( allowedIn != this.position.parent ) {\n\t\t\tthis._insertPartialFragment();\n\t\t}\n\n\t\twhile ( allowedIn != this.position.parent ) {\n\t\t\t// If a parent which we'd need to leave is a limit element, break.\n\t\t\tif ( this.schema.isLimit( this.position.parent ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t\tif ( this.position.isAtStart ) {\n\t\t\t\t// If insertion position is at the beginning of the parent, move it out instead of splitting.\n\t\t\t\t// <p>^Foo</p> -> ^<p>Foo</p>\n\t\t\t\tconst parent = this.position.parent;\n\n\t\t\t\tthis.position = this.writer.createPositionBefore( parent );\n\n\t\t\t\t// Special case – parent is empty (<p>^</p>).\n\t\t\t\t//\n\t\t\t\t// 1. parent.isEmpty\n\t\t\t\t// We can remove the element after moving insertion position out of it.\n\t\t\t\t//\n\t\t\t\t// 2. parent.parent === allowedIn\n\t\t\t\t// However parent should remain in place when allowed element is above limit element in document tree.\n\t\t\t\t// For example there shouldn't be allowed to remove empty paragraph from tableCell, when is pasted\n\t\t\t\t// content allowed in $root.\n\t\t\t\tif ( parent.isEmpty && parent.parent === allowedIn ) {\n\t\t\t\t\tthis.writer.remove( parent );\n\t\t\t\t}\n\t\t\t} else if ( this.position.isAtEnd ) {\n\t\t\t\t// If insertion position is at the end of the parent, move it out instead of splitting.\n\t\t\t\t// <p>Foo^</p> -> <p>Foo</p>^\n\t\t\t\tthis.position = this.writer.createPositionAfter( this.position.parent );\n\t\t\t} else {\n\t\t\t\tconst tempPos = this.writer.createPositionAfter( this.position.parent );\n\n\t\t\t\tthis._setAffectedBoundaries( this.position );\n\t\t\t\tthis.writer.split( this.position );\n\n\t\t\t\tthis.position = tempPos;\n\n\t\t\t\tthis.canMergeWith.add( this.position.nodeAfter );\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Gets the element in which the given node is allowed. It checks the passed element and all its ancestors.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node to check.\n\t * @param {module:engine/model/element~Element} element The element in which the node's correctness should be checked.\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\t_getAllowedIn( node, element ) {\n\t\tif ( this.schema.checkChild( element, node ) ) {\n\t\t\treturn element;\n\t\t}\n\n\t\tif ( element.parent ) {\n\t\t\treturn this._getAllowedIn( node, element.parent );\n\t\t}\n\n\t\treturn null;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/deletecontent\n */\n\nimport LivePosition from '../liveposition';\nimport Range from '../range';\nimport DocumentSelection from '../documentselection';\n\n/**\n * Deletes content of the selection and merge siblings. The resulting selection is always collapsed.\n *\n * **Note:** Use {@link module:engine/model/model~Model#deleteContent} instead of this function.\n * This function is only exposed to be reusable in algorithms\n * which change the {@link module:engine/model/model~Model#deleteContent}\n * method's behavior.\n *\n * @param {module:engine/model/model~Model} model The model in context of which the insertion\n * should be performed.\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * Selection of which the content should be deleted.\n * @param {Object} [options]\n * @param {Boolean} [options.leaveUnmerged=false] Whether to merge elements after removing the content of the selection.\n *\n * For example `<heading>x[x</heading><paragraph>y]y</paragraph>` will become:\n *\n * * `<heading>x^y</heading>` with the option disabled (`leaveUnmerged == false`)\n * * `<heading>x^</heading><paragraph>y</paragraph>` with enabled (`leaveUnmerged == true`).\n *\n * Note: {@link module:engine/model/schema~Schema#isObject object} and {@link module:engine/model/schema~Schema#isLimit limit}\n * elements will not be merged.\n *\n * @param {Boolean} [options.doNotResetEntireContent=false] Whether to skip replacing the entire content with a\n * paragraph when the entire content was selected.\n *\n * For example `<heading>[x</heading><paragraph>y]</paragraph>` will become:\n *\n * * `<paragraph>^</paragraph>` with the option disabled (`doNotResetEntireContent == false`)\n * * `<heading>^</heading>` with enabled (`doNotResetEntireContent == true`).\n *\n * @param {Boolean} [options.doNotAutoparagraph=false] Whether to create a paragraph if after content deletion selection is moved\n * to a place where text cannot be inserted.\n *\n * For example `<paragraph>x</paragraph>[<image src=\"foo.jpg\"></image>]` will become:\n *\n * * `<paragraph>x</paragraph><paragraph>[]</paragraph>` with the option disabled (`doNotAutoparagraph == false`)\n * * `<paragraph>x</paragraph>[]` with the option enabled (`doNotAutoparagraph == true`).\n *\n * If you use this option you need to make sure to handle invalid selections yourself or leave\n * them to the selection post-fixer (may not always work).\n *\n * **Note:** if there is no valid position for the selection, the paragraph will always be created:\n *\n * `[<image src=\"foo.jpg\"></image>]` -> `<paragraph>[]</paragraph>`.\n */\nexport default function deleteContent( model, selection, options = {} ) {\n\tif ( selection.isCollapsed ) {\n\t\treturn;\n\t}\n\n\tconst selRange = selection.getFirstRange();\n\n\t// If the selection is already removed, don't do anything.\n\tif ( selRange.root.rootName == '$graveyard' ) {\n\t\treturn;\n\t}\n\n\tconst schema = model.schema;\n\n\tmodel.change( writer => {\n\t\t// 1. Replace the entire content with paragraph.\n\t\t// See: https://github.com/ckeditor/ckeditor5-engine/issues/1012#issuecomment-315017594.\n\t\tif ( !options.doNotResetEntireContent && shouldEntireContentBeReplacedWithParagraph( schema, selection ) ) {\n\t\t\treplaceEntireContentWithParagraph( writer, selection, schema );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Get the live positions for the range adjusted to span only blocks selected from the user perspective.\n\t\tconst [ startPosition, endPosition ] = getLivePositionsForSelectedBlocks( selRange );\n\n\t\t// 2. Remove the content if there is any.\n\t\tif ( !startPosition.isTouching( endPosition ) ) {\n\t\t\twriter.remove( writer.createRange( startPosition, endPosition ) );\n\t\t}\n\n\t\t// 3. Merge elements in the right branch to the elements in the left branch.\n\t\t// The only reasonable (in terms of data and selection correctness) case in which we need to do that is:\n\t\t//\n\t\t// <heading type=1>Fo[</heading><paragraph>]ar</paragraph> => <heading type=1>Fo^ar</heading>\n\t\t//\n\t\t// However, the algorithm supports also merging deeper structures (up to the depth of the shallower branch),\n\t\t// as it's hard to imagine what should actually be the default behavior. Usually, specific features will\n\t\t// want to override that behavior anyway.\n\t\tif ( !options.leaveUnmerged ) {\n\t\t\tmergeBranches( writer, startPosition, endPosition );\n\n\t\t\t// TMP this will be replaced with a postfixer.\n\t\t\t// We need to check and strip disallowed attributes in all nested nodes because after merge\n\t\t\t// some attributes could end up in a path where are disallowed.\n\t\t\t//\n\t\t\t// e.g. bold is disallowed for <H1>\n\t\t\t// <h1>Fo{o</h1><p>b}a<b>r</b><p> -> <h1>Fo{}a<b>r</b><h1> -> <h1>Fo{}ar<h1>.\n\t\t\tschema.removeDisallowedAttributes( startPosition.parent.getChildren(), writer );\n\t\t}\n\n\t\tcollapseSelectionAt( writer, selection, startPosition );\n\n\t\t// 4. Add a paragraph to set selection in it.\n\t\t// Check if a text is allowed in the new container. If not, try to create a new paragraph (if it's allowed here).\n\t\t// If autoparagraphing is off, we assume that you know what you do so we leave the selection wherever it was.\n\t\tif ( !options.doNotAutoparagraph && shouldAutoparagraph( schema, startPosition ) ) {\n\t\t\tinsertParagraph( writer, startPosition, selection );\n\t\t}\n\n\t\tstartPosition.detach();\n\t\tendPosition.detach();\n\t} );\n}\n\n// Returns the live positions for the range adjusted to span only blocks selected from the user perspective. Example:\n//\n//     <heading1>[foo</heading1>\n//     <paragraph>bar</paragraph>\n//     <heading1>]abc</heading1>  <-- this block is not considered as selected\n//\n// This is the same behavior as in Selection#getSelectedBlocks() \"special case\".\nfunction getLivePositionsForSelectedBlocks( range ) {\n\tconst model = range.root.document.model;\n\n\tconst startPosition = range.start;\n\tlet endPosition = range.end;\n\n\t// If the end of selection is at the start position of last block in the selection, then\n\t// shrink it to not include that trailing block. Note that this should happen only for not empty selection.\n\tif ( model.hasContent( range, { ignoreMarkers: true } ) ) {\n\t\tconst endBlock = getParentBlock( endPosition );\n\n\t\tif ( endBlock && endPosition.isTouching( model.createPositionAt( endBlock, 0 ) ) ) {\n\t\t\t// Create forward selection as a probe to find a valid position after excluding last block from the range.\n\t\t\tconst selection = model.createSelection( range );\n\n\t\t\t// Modify the forward selection in backward direction to shrink it and remove first position of following block from it.\n\t\t\t// This is how modifySelection works and here we are making use of it.\n\t\t\tmodel.modifySelection( selection, { direction: 'backward' } );\n\n\t\t\tendPosition = selection.getLastPosition();\n\t\t}\n\t}\n\n\treturn [\n\t\tLivePosition.fromPosition( startPosition, 'toPrevious' ),\n\t\tLivePosition.fromPosition( endPosition, 'toNext' )\n\t];\n}\n\n// Finds the lowest element in position's ancestors which is a block.\n// Returns null if a limit element is encountered before reaching a block element.\nfunction getParentBlock( position ) {\n\tconst element = position.parent;\n\tconst schema = element.root.document.model.schema;\n\tconst ancestors = element.getAncestors( { parentFirst: true, includeSelf: true } );\n\n\tfor ( const element of ancestors ) {\n\t\tif ( schema.isLimit( element ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( schema.isBlock( element ) ) {\n\t\t\treturn element;\n\t\t}\n\t}\n}\n\n// This function is a result of reaching the Ballmer's peak for just the right amount of time.\n// Even I had troubles documenting it after a while and after reading it again I couldn't believe that it really works.\nfunction mergeBranches( writer, startPosition, endPosition ) {\n\tconst model = writer.model;\n\n\t// Verify if there is a need and possibility to merge.\n\tif ( !checkShouldMerge( writer.model.schema, startPosition, endPosition ) ) {\n\t\treturn;\n\t}\n\n\t// If the start element on the common ancestor level is empty, and the end element on the same level is not empty\n\t// then merge those to the right element so that it's properties are preserved (name, attributes).\n\t// Because of OT merging is used instead of removing elements.\n\t//\n\t// Merge left:\n\t//     <heading1>foo[</heading1>    ->  <heading1>foo[]bar</heading1>\n\t//     <paragraph>]bar</paragraph>  ->               --^\n\t//\n\t// Merge right:\n\t//     <heading1>[</heading1>       ->\n\t//     <paragraph>]bar</paragraph>  ->  <paragraph>[]bar</paragraph>\n\t//\n\t// Merge left:\n\t//     <blockQuote>                     ->  <blockQuote>\n\t//         <heading1>foo[</heading1>    ->      <heading1>foo[]bar</heading1>\n\t//         <paragraph>]bar</paragraph>  ->                   --^\n\t//     </blockQuote>                    ->  </blockQuote>\n\t//\n\t// Merge right:\n\t//     <blockQuote>                     ->  <blockQuote>\n\t//         <heading1>[</heading1>       ->\n\t//         <paragraph>]bar</paragraph>  ->      <paragraph>[]bar</paragraph>\n\t//     </blockQuote>                    ->  </blockQuote>\n\n\t// Merging should not go deeper than common ancestor.\n\tconst [ startAncestor, endAncestor ] = getAncestorsJustBelowCommonAncestor( startPosition, endPosition );\n\n\t// Branches can't be merged if one of the positions is directly inside a common ancestor.\n\t//\n\t// Example:\n\t//     <blockQuote>\n\t//         <paragraph>[foo</paragraph>]\n\t//         <table> ... </table>\n\t//     <blockQuote>\n\t//\n\tif ( !startAncestor || !endAncestor ) {\n\t\treturn;\n\t}\n\n\tif ( !model.hasContent( startAncestor, { ignoreMarkers: true } ) && model.hasContent( endAncestor, { ignoreMarkers: true } ) ) {\n\t\tmergeBranchesRight( writer, startPosition, endPosition, startAncestor.parent );\n\t} else {\n\t\tmergeBranchesLeft( writer, startPosition, endPosition, startAncestor.parent );\n\t}\n}\n\n// Merging blocks to the left (properties of the left block are preserved).\n// Simple example:\n//     <heading1>foo[</heading1>    ->  <heading1>foo[bar</heading1>]\n//     <paragraph>]bar</paragraph>  ->              --^\n//\n// Nested example:\n//     <blockQuote>                     ->  <blockQuote>\n//         <heading1>foo[</heading1>    ->      <heading1>foo[bar</heading1>\n//     </blockQuote>                    ->  </blockQuote>]    ^\n//     <blockBlock>                     ->                    |\n//         <paragraph>]bar</paragraph>  ->                 ---\n//     </blockBlock>                    ->\n//\nfunction mergeBranchesLeft( writer, startPosition, endPosition, commonAncestor ) {\n\tconst startElement = startPosition.parent;\n\tconst endElement = endPosition.parent;\n\n\t// Merging reached the common ancestor element, stop here.\n\tif ( startElement == commonAncestor || endElement == commonAncestor ) {\n\t\treturn;\n\t}\n\n\t// Remember next positions to merge in next recursive step (also used as modification points pointers).\n\tstartPosition = writer.createPositionAfter( startElement );\n\tendPosition = writer.createPositionBefore( endElement );\n\n\t// Move endElement just after startElement if they aren't siblings.\n\tif ( !endPosition.isEqual( startPosition ) ) {\n\t\t//\n\t\t//     <blockQuote>                     ->  <blockQuote>\n\t\t//         <heading1>foo[</heading1>    ->      <heading1>foo</heading1>[<paragraph>bar</paragraph>\n\t\t//     </blockQuote>                    ->  </blockQuote>                ^\n\t\t//     <blockBlock>                     ->  <blockBlock>                 |\n\t\t//         <paragraph>]bar</paragraph>  ->      ]                     ---\n\t\t//     </blockBlock>                    ->  </blockBlock>\n\t\t//\n\t\twriter.insert( endElement, startPosition );\n\t}\n\n\t// Merge two siblings (nodes on sides of startPosition):\n\t//\n\t//     <blockQuote>                                             ->  <blockQuote>\n\t//         <heading1>foo</heading1>[<paragraph>bar</paragraph>  ->      <heading1>foo[bar</heading1>\n\t//     </blockQuote>                                            ->  </blockQuote>\n\t//     <blockBlock>                                             ->  <blockBlock>\n\t//         ]                                                    ->      ]\n\t//     </blockBlock>                                            ->  </blockBlock>\n\t//\n\t// Or in simple case (without moving elements in above if):\n\t//     <heading1>foo</heading1>[<paragraph>bar</paragraph>]  ->  <heading1>foo[bar</heading1>]\n\t//\n\twriter.merge( startPosition );\n\n\t// Remove empty end ancestors:\n\t//\n\t//     <blockQuote>                      ->  <blockQuote>\n\t//         <heading1>foo[bar</heading1>  ->      <heading1>foo[bar</heading1>\n\t//     </blockQuote>                     ->  </blockQuote>\n\t//     <blockBlock>                      ->\n\t//         ]                             ->  ]\n\t//     </blockBlock>                     ->\n\t//\n\twhile ( endPosition.parent.isEmpty ) {\n\t\tconst parentToRemove = endPosition.parent;\n\n\t\tendPosition = writer.createPositionBefore( parentToRemove );\n\n\t\twriter.remove( parentToRemove );\n\t}\n\n\t// Verify if there is a need and possibility to merge next level.\n\tif ( !checkShouldMerge( writer.model.schema, startPosition, endPosition ) ) {\n\t\treturn;\n\t}\n\n\t// Continue merging next level (blockQuote with blockBlock in the examples above if it would not be empty and got removed).\n\tmergeBranchesLeft( writer, startPosition, endPosition, commonAncestor );\n}\n\n// Merging blocks to the right (properties of the right block are preserved).\n// Simple example:\n//     <heading1>foo[</heading1>    ->            --v\n//     <paragraph>]bar</paragraph>  ->  [<paragraph>foo]bar</paragraph>\n//\n// Nested example:\n//     <blockQuote>                     ->\n//         <heading1>foo[</heading1>    ->              ---\n//     </blockQuote>                    ->                 |\n//     <blockBlock>                     ->  [<blockBlock>  v\n//         <paragraph>]bar</paragraph>  ->      <paragraph>foo]bar</paragraph>\n//     </blockBlock>                    ->  </blockBlock>\n//\nfunction mergeBranchesRight( writer, startPosition, endPosition, commonAncestor ) {\n\tconst startElement = startPosition.parent;\n\tconst endElement = endPosition.parent;\n\n\t// Merging reached the common ancestor element, stop here.\n\tif ( startElement == commonAncestor || endElement == commonAncestor ) {\n\t\treturn;\n\t}\n\n\t// Remember next positions to merge in next recursive step (also used as modification points pointers).\n\tstartPosition = writer.createPositionAfter( startElement );\n\tendPosition = writer.createPositionBefore( endElement );\n\n\t// Move startElement just before endElement if they aren't siblings.\n\tif ( !endPosition.isEqual( startPosition ) ) {\n\t\t//\n\t\t//     <blockQuote>                     ->  <blockQuote>\n\t\t//         <heading1>foo[</heading1>    ->      [                   ---\n\t\t//     </blockQuote>                    ->  </blockQuote>              |\n\t\t//     <blockBlock>                     ->  <blockBlock>               v\n\t\t//         <paragraph>]bar</paragraph>  ->      <heading1>foo</heading1>]<paragraph>bar</paragraph>\n\t\t//     </blockBlock>                    ->  </blockBlock>\n\t\t//\n\t\twriter.insert( startElement, endPosition );\n\t}\n\n\t// Remove empty end ancestors:\n\t//\n\t//     <blockQuote>                                             ->\n\t//         [                                                    ->  [\n\t//     </blockQuote>                                            ->\n\t//     <blockBlock>                                             ->  <blockBlock>\n\t//         <heading1>foo</heading1>]<paragraph>bar</paragraph>  ->      <heading1>foo</heading1>]<paragraph>bar</paragraph>\n\t//     </blockBlock>                                            ->  </blockBlock>\n\t//\n\twhile ( startPosition.parent.isEmpty ) {\n\t\tconst parentToRemove = startPosition.parent;\n\n\t\tstartPosition = writer.createPositionBefore( parentToRemove );\n\n\t\twriter.remove( parentToRemove );\n\t}\n\n\t// Update endPosition after inserting and removing elements.\n\tendPosition = writer.createPositionBefore( endElement );\n\n\t// Merge right two siblings (nodes on sides of endPosition):\n\t//                                                              ->\n\t//     [                                                        ->  [\n\t//                                                              ->\n\t//     <blockBlock>                                             ->  <blockBlock>\n\t//         <heading1>foo</heading1>]<paragraph>bar</paragraph>  ->      <paragraph>foo]bar</paragraph>\n\t//     </blockBlock>                                            ->  </blockBlock>\n\t//\n\t// Or in simple case (without moving elements in above if):\n\t//     [<heading1>foo</heading1>]<paragraph>bar</paragraph>  ->  [<heading1>foo]bar</heading1>\n\t//\n\tmergeRight( writer, endPosition );\n\n\t// Verify if there is a need and possibility to merge next level.\n\tif ( !checkShouldMerge( writer.model.schema, startPosition, endPosition ) ) {\n\t\treturn;\n\t}\n\n\t// Continue merging next level (blockQuote with blockBlock in the examples above if it would not be empty and got removed).\n\tmergeBranchesRight( writer, startPosition, endPosition, commonAncestor );\n}\n\n// There is no right merge operation so we need to simulate it.\nfunction mergeRight( writer, position ) {\n\tconst startElement = position.nodeBefore;\n\tconst endElement = position.nodeAfter;\n\n\tif ( startElement.name != endElement.name ) {\n\t\twriter.rename( startElement, endElement.name );\n\t}\n\n\twriter.clearAttributes( startElement );\n\twriter.setAttributes( Object.fromEntries( endElement.getAttributes() ), startElement );\n\n\twriter.merge( position );\n}\n\n// Verifies if merging is needed and possible. It's not needed if both positions are in the same element\n// and it's not possible if some element is a limit or the range crosses a limit element.\nfunction checkShouldMerge( schema, startPosition, endPosition ) {\n\tconst startElement = startPosition.parent;\n\tconst endElement = endPosition.parent;\n\n\t// If both positions ended up in the same parent, then there's nothing more to merge:\n\t// <$root><p>x[</p><p>]y</p></$root> => <$root><p>xy</p>[]</$root>\n\tif ( startElement == endElement ) {\n\t\treturn false;\n\t}\n\n\t// If one of the positions is a limit element, then there's nothing to merge because we don't want to cross the limit boundaries.\n\tif ( schema.isLimit( startElement ) || schema.isLimit( endElement ) ) {\n\t\treturn false;\n\t}\n\n\t// Check if operations we'll need to do won't need to cross object or limit boundaries.\n\t// E.g., we can't merge endElement into startElement in this case:\n\t// <limit><startElement>x[</startElement></limit><endElement>]</endElement>\n\treturn isCrossingLimitElement( startPosition, endPosition, schema );\n}\n\n// Returns the elements that are the ancestors of the provided positions that are direct children of the common ancestor.\nfunction getAncestorsJustBelowCommonAncestor( positionA, positionB ) {\n\tconst ancestorsA = positionA.getAncestors();\n\tconst ancestorsB = positionB.getAncestors();\n\n\tlet i = 0;\n\n\twhile ( ancestorsA[ i ] && ancestorsA[ i ] == ancestorsB[ i ] ) {\n\t\ti++;\n\t}\n\n\treturn [ ancestorsA[ i ], ancestorsB[ i ] ];\n}\n\nfunction shouldAutoparagraph( schema, position ) {\n\tconst isTextAllowed = schema.checkChild( position, '$text' );\n\tconst isParagraphAllowed = schema.checkChild( position, 'paragraph' );\n\n\treturn !isTextAllowed && isParagraphAllowed;\n}\n\n// Check if parents of two positions can be merged by checking if there are no limit/object\n// boundaries between those two positions.\n//\n// E.g. in <bQ><p>x[]</p></bQ><widget><caption>{}</caption></widget>\n// we'll check <p>, <bQ>, <widget> and <caption>.\n// Usually, widget and caption are marked as objects/limits in the schema, so in this case merging will be blocked.\nfunction isCrossingLimitElement( leftPos, rightPos, schema ) {\n\tconst rangeToCheck = new Range( leftPos, rightPos );\n\n\tfor ( const value of rangeToCheck.getWalker() ) {\n\t\tif ( schema.isLimit( value.item ) ) {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\treturn true;\n}\n\nfunction insertParagraph( writer, position, selection ) {\n\tconst paragraph = writer.createElement( 'paragraph' );\n\n\twriter.insert( paragraph, position );\n\n\tcollapseSelectionAt( writer, selection, writer.createPositionAt( paragraph, 0 ) );\n}\n\nfunction replaceEntireContentWithParagraph( writer, selection ) {\n\tconst limitElement = writer.model.schema.getLimitElement( selection );\n\n\twriter.remove( writer.createRangeIn( limitElement ) );\n\tinsertParagraph( writer, writer.createPositionAt( limitElement, 0 ), selection );\n}\n\n// We want to replace the entire content with a paragraph when:\n// * the entire content is selected,\n// * selection contains at least two elements,\n// * whether the paragraph is allowed in schema in the common ancestor.\nfunction shouldEntireContentBeReplacedWithParagraph( schema, selection ) {\n\tconst limitElement = schema.getLimitElement( selection );\n\n\tif ( !selection.containsEntireContent( limitElement ) ) {\n\t\treturn false;\n\t}\n\n\tconst range = selection.getFirstRange();\n\n\tif ( range.start.parent == range.end.parent ) {\n\t\treturn false;\n\t}\n\n\treturn schema.checkChild( limitElement, 'paragraph' );\n}\n\n// Helper function that sets the selection. Depending whether given `selection` is a document selection or not,\n// uses a different method to set it.\nfunction collapseSelectionAt( writer, selection, positionOrRange ) {\n\tif ( selection instanceof DocumentSelection ) {\n\t\twriter.setSelection( positionOrRange );\n\t} else {\n\t\tselection.setTo( positionOrRange );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/modifyselection\n */\n\nimport Position from '../position';\nimport TreeWalker from '../treewalker';\nimport Range from '../range';\nimport { isInsideSurrogatePair, isInsideCombinedSymbol } from '@ckeditor/ckeditor5-utils/src/unicode';\nimport DocumentSelection from '../documentselection';\n\nconst wordBoundaryCharacters = ' ,.?!:;\"-()';\n\n/**\n * Modifies the selection. Currently, the supported modifications are:\n *\n * * Extending. The selection focus is moved in the specified `options.direction` with a step specified in `options.unit`.\n * Possible values for `unit` are:\n *  * `'character'` (default) - moves selection by one user-perceived character. In most cases this means moving by one\n *  character in `String` sense. However, unicode also defines \"combing marks\". These are special symbols, that combines\n *  with a symbol before it (\"base character\") to create one user-perceived character. For example, `q̣̇` is a normal\n *  letter `q` with two \"combining marks\": upper dot (`Ux0307`) and lower dot (`Ux0323`). For most actions, i.e. extending\n *  selection by one position, it is correct to include both \"base character\" and all of it's \"combining marks\". That is\n *  why `'character'` value is most natural and common method of modifying selection.\n *  * `'codePoint'` - moves selection by one unicode code point. In contrary to, `'character'` unit, this will insert\n *  selection between \"base character\" and \"combining mark\", because \"combining marks\" have their own unicode code points.\n *  However, for technical reasons, unicode code points with values above `UxFFFF` are represented in native `String` by\n *  two characters, called \"surrogate pairs\". Halves of \"surrogate pairs\" have a meaning only when placed next to each other.\n *  For example `𨭎` is represented in `String` by `\\uD862\\uDF4E`. Both `\\uD862` and `\\uDF4E` do not have any meaning\n *  outside the pair (are rendered as ? when alone). Position between them would be incorrect. In this case, selection\n *  extension will include whole \"surrogate pair\".\n *  * `'word'` - moves selection by a whole word.\n *\n * **Note:** if you extend a forward selection in a backward direction you will in fact shrink it.\n *\n * **Note:** Use {@link module:engine/model/model~Model#modifySelection} instead of this function.\n * This function is only exposed to be reusable in algorithms\n * which change the {@link module:engine/model/model~Model#modifySelection}\n * method's behavior.\n *\n * @param {module:engine/model/model~Model} model The model in context of which\n * the selection modification should be performed.\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * The selection to modify.\n * @param {Object} [options]\n * @param {'forward'|'backward'} [options.direction='forward'] The direction in which the selection should be modified.\n * @param {'character'|'codePoint'|'word'} [options.unit='character'] The unit by which selection should be modified.\n */\nexport default function modifySelection( model, selection, options = {} ) {\n\tconst schema = model.schema;\n\tconst isForward = options.direction != 'backward';\n\tconst unit = options.unit ? options.unit : 'character';\n\n\tconst focus = selection.focus;\n\n\tconst walker = new TreeWalker( {\n\t\tboundaries: getSearchRange( focus, isForward ),\n\t\tsingleCharacters: true,\n\t\tdirection: isForward ? 'forward' : 'backward'\n\t} );\n\n\tconst data = { walker, schema, isForward, unit };\n\n\tlet next;\n\n\twhile ( ( next = walker.next() ) ) {\n\t\tif ( next.done ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst position = tryExtendingTo( data, next.value );\n\n\t\tif ( position ) {\n\t\t\tif ( selection instanceof DocumentSelection ) {\n\t\t\t\tmodel.change( writer => {\n\t\t\t\t\twriter.setSelectionFocus( position );\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\tselection.setFocus( position );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\t}\n}\n\n// Checks whether the selection can be extended to the the walker's next value (next position).\n// @param {{ walker, unit, isForward, schema }} data\n// @param {module:engine/view/treewalker~TreeWalkerValue} value\nfunction tryExtendingTo( data, value ) {\n\tconst { isForward, walker, unit, schema } = data;\n\tconst { type, item, nextPosition } = value;\n\n\t// If found text, we can certainly put the focus in it. Let's just find a correct position\n\t// based on the unit.\n\tif ( type == 'text' ) {\n\t\tif ( data.unit === 'word' ) {\n\t\t\treturn getCorrectWordBreakPosition( walker, isForward );\n\t\t}\n\n\t\treturn getCorrectPosition( walker, unit, isForward );\n\t}\n\n\t// Entering an element.\n\tif ( type == ( isForward ? 'elementStart' : 'elementEnd' ) ) {\n\t\t// If it's a selectable, we can select it now.\n\t\tif ( schema.isSelectable( item ) ) {\n\t\t\treturn Position._createAt( item, isForward ? 'after' : 'before' );\n\t\t}\n\n\t\t// If text allowed on this position, extend to this place.\n\t\tif ( schema.checkChild( nextPosition, '$text' ) ) {\n\t\t\treturn nextPosition;\n\t\t}\n\t}\n\t// Leaving an element.\n\telse {\n\t\t// If leaving a limit element, stop.\n\t\tif ( schema.isLimit( item ) ) {\n\t\t\t// NOTE: Fast-forward the walker until the end.\n\t\t\twalker.skip( () => true );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// If text allowed on this position, extend to this place.\n\t\tif ( schema.checkChild( nextPosition, '$text' ) ) {\n\t\t\treturn nextPosition;\n\t\t}\n\t}\n}\n\n// Finds a correct position by walking in a text node and checking whether selection can be extended to given position\n// or should be extended further.\n//\n// @param {module:engine/model/treewalker~TreeWalker} walker\n// @param {String} unit The unit by which selection should be modified.\nfunction getCorrectPosition( walker, unit ) {\n\tconst textNode = walker.position.textNode;\n\n\tif ( textNode ) {\n\t\tconst data = textNode.data;\n\t\tlet offset = walker.position.offset - textNode.startOffset;\n\n\t\twhile ( isInsideSurrogatePair( data, offset ) || ( unit == 'character' && isInsideCombinedSymbol( data, offset ) ) ) {\n\t\t\twalker.next();\n\n\t\t\toffset = walker.position.offset - textNode.startOffset;\n\t\t}\n\t}\n\n\treturn walker.position;\n}\n\n// Finds a correct position of a word break by walking in a text node and checking whether selection can be extended to given position\n// or should be extended further.\n//\n// @param {module:engine/model/treewalker~TreeWalker} walker\n// @param {Boolean} isForward Is the direction in which the selection should be modified is forward.\nfunction getCorrectWordBreakPosition( walker, isForward ) {\n\tlet textNode = walker.position.textNode;\n\n\tif ( textNode ) {\n\t\tlet offset = walker.position.offset - textNode.startOffset;\n\n\t\twhile ( !isAtWordBoundary( textNode.data, offset, isForward ) && !isAtNodeBoundary( textNode, offset, isForward ) ) {\n\t\t\twalker.next();\n\n\t\t\t// Check of adjacent text nodes with different attributes (like BOLD).\n\t\t\t// Example          : 'foofoo []bar<$text bold=\"true\">bar</$text> bazbaz'\n\t\t\t// should expand to : 'foofoo [bar<$text bold=\"true\">bar</$text>] bazbaz'.\n\t\t\tconst nextNode = isForward ? walker.position.nodeAfter : walker.position.nodeBefore;\n\n\t\t\t// Scan only text nodes. Ignore inline elements (like `<softBreak>`).\n\t\t\tif ( nextNode && nextNode.is( '$text' ) ) {\n\t\t\t\t// Check boundary char of an adjacent text node.\n\t\t\t\tconst boundaryChar = nextNode.data.charAt( isForward ? 0 : nextNode.data.length - 1 );\n\n\t\t\t\t// Go to the next node if the character at the boundary of that node belongs to the same word.\n\t\t\t\tif ( !wordBoundaryCharacters.includes( boundaryChar ) ) {\n\t\t\t\t\t// If adjacent text node belongs to the same word go to it & reset values.\n\t\t\t\t\twalker.next();\n\n\t\t\t\t\ttextNode = walker.position.textNode;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\toffset = walker.position.offset - textNode.startOffset;\n\t\t}\n\t}\n\n\treturn walker.position;\n}\n\nfunction getSearchRange( start, isForward ) {\n\tconst root = start.root;\n\tconst searchEnd = Position._createAt( root, isForward ? 'end' : 0 );\n\n\tif ( isForward ) {\n\t\treturn new Range( start, searchEnd );\n\t} else {\n\t\treturn new Range( searchEnd, start );\n\t}\n}\n\n// Checks if selection is on word boundary.\n//\n// @param {String} data The text node value to investigate.\n// @param {Number} offset Position offset.\n// @param {Boolean} isForward Is the direction in which the selection should be modified is forward.\nfunction isAtWordBoundary( data, offset, isForward ) {\n\t// The offset to check depends on direction.\n\tconst offsetToCheck = offset + ( isForward ? 0 : -1 );\n\n\treturn wordBoundaryCharacters.includes( data.charAt( offsetToCheck ) );\n}\n\n// Checks if selection is on node boundary.\n//\n// @param {module:engine/model/text~Text} textNode The text node to investigate.\n// @param {Number} offset Position offset.\n// @param {Boolean} isForward Is the direction in which the selection should be modified is forward.\nfunction isAtNodeBoundary( textNode, offset, isForward ) {\n\treturn offset === ( isForward ? textNode.endOffset : 0 );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/getselectedcontent\n */\n\n/**\n * Gets a clone of the selected content.\n *\n * For example, for the following selection:\n *\n * ```html\n * <p>x</p><quote><p>y</p><h>fir[st</h></quote><p>se]cond</p><p>z</p>\n * ```\n *\n * It will return a document fragment with such a content:\n *\n * ```html\n * <quote><h>st</h></quote><p>se</p>\n * ```\n *\n * @param {module:engine/model/model~Model} model The model in context of which\n * the selection modification should be performed.\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * The selection of which content will be returned.\n * @returns {module:engine/model/documentfragment~DocumentFragment}\n */\nexport default function getSelectedContent( model, selection ) {\n\treturn model.change( writer => {\n\t\tconst frag = writer.createDocumentFragment();\n\t\tconst range = selection.getFirstRange();\n\n\t\tif ( !range || range.isCollapsed ) {\n\t\t\treturn frag;\n\t\t}\n\n\t\tconst root = range.start.root;\n\t\tconst commonPath = range.start.getCommonPath( range.end );\n\t\tconst commonParent = root.getNodeByPath( commonPath );\n\n\t\t// ## 1st step\n\t\t//\n\t\t// First, we'll clone a fragment represented by a minimal flat range\n\t\t// containing the original range to be cloned.\n\t\t// E.g. let's consider such a range:\n\t\t//\n\t\t// <p>x</p><quote><p>y</p><h>fir[st</h></quote><p>se]cond</p><p>z</p>\n\t\t//\n\t\t// A minimal flat range containing this one is:\n\t\t//\n\t\t// <p>x</p>[<quote><p>y</p><h>first</h></quote><p>second</p>]<p>z</p>\n\t\t//\n\t\t// We can easily clone this structure, preserving e.g. the <quote> element.\n\t\tlet flatSubtreeRange;\n\n\t\tif ( range.start.parent == range.end.parent ) {\n\t\t\t// The original range is flat, so take it.\n\t\t\tflatSubtreeRange = range;\n\t\t} else {\n\t\t\tflatSubtreeRange = writer.createRange(\n\t\t\t\twriter.createPositionAt( commonParent, range.start.path[ commonPath.length ] ),\n\t\t\t\twriter.createPositionAt( commonParent, range.end.path[ commonPath.length ] + 1 )\n\t\t\t);\n\t\t}\n\n\t\tconst howMany = flatSubtreeRange.end.offset - flatSubtreeRange.start.offset;\n\n\t\t// Clone the whole contents.\n\t\tfor ( const item of flatSubtreeRange.getItems( { shallow: true } ) ) {\n\t\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\t\twriter.appendText( item.data, item.getAttributes(), frag );\n\t\t\t} else {\n\t\t\t\twriter.append( writer.cloneElement( item, true ), frag );\n\t\t\t}\n\t\t}\n\n\t\t// ## 2nd step\n\t\t//\n\t\t// If the original range wasn't flat, then we need to remove the excess nodes from the both ends of the cloned fragment.\n\t\t//\n\t\t// For example, for the range shown in the 1st step comment, we need to remove these pieces:\n\t\t//\n\t\t// <quote>[<p>y</p>]<h>[fir]st</h></quote><p>se[cond]</p>\n\t\t//\n\t\t// So this will be the final copied content:\n\t\t//\n\t\t// <quote><h>st</h></quote><p>se</p>\n\t\t//\n\t\t// In order to do that, we remove content from these two ranges:\n\t\t//\n\t\t// [<quote><p>y</p><h>fir]st</h></quote><p>se[cond</p>]\n\t\tif ( flatSubtreeRange != range ) {\n\t\t\t// Find the position of the original range in the cloned fragment.\n\t\t\tconst newRange = range._getTransformedByMove( flatSubtreeRange.start, writer.createPositionAt( frag, 0 ), howMany )[ 0 ];\n\n\t\t\tconst leftExcessRange = writer.createRange( writer.createPositionAt( frag, 0 ), newRange.start );\n\t\t\tconst rightExcessRange = writer.createRange( newRange.end, writer.createPositionAt( frag, 'end' ) );\n\n\t\t\tremoveRangeContent( rightExcessRange, writer );\n\t\t\tremoveRangeContent( leftExcessRange, writer );\n\t\t}\n\n\t\treturn frag;\n\t} );\n}\n\n// After https://github.com/ckeditor/ckeditor5-engine/issues/690 is fixed,\n// this function will, most likely, be able to rewritten using getMinimalFlatRanges().\nfunction removeRangeContent( range, writer ) {\n\tconst parentsToCheck = [];\n\n\tArray.from( range.getItems( { direction: 'backward' } ) )\n\t\t// We should better store ranges because text proxies will lose integrity\n\t\t// with the text nodes when we'll start removing content.\n\t\t.map( item => writer.createRangeOn( item ) )\n\t\t// Filter only these items which are fully contained in the passed range.\n\t\t//\n\t\t// E.g. for the following range: [<quote><p>y</p><h>fir]st</h>\n\t\t// the walker will return the entire <h> element, when only the \"fir\" item inside it is fully contained.\n\t\t.filter( itemRange => {\n\t\t\t// We should be able to use Range.containsRange, but https://github.com/ckeditor/ckeditor5-engine/issues/691.\n\t\t\tconst contained =\n\t\t\t\t( itemRange.start.isAfter( range.start ) || itemRange.start.isEqual( range.start ) ) &&\n\t\t\t\t( itemRange.end.isBefore( range.end ) || itemRange.end.isEqual( range.end ) );\n\n\t\t\treturn contained;\n\t\t} )\n\t\t.forEach( itemRange => {\n\t\t\tparentsToCheck.push( itemRange.start.parent );\n\n\t\t\twriter.remove( itemRange );\n\t\t} );\n\n\t// Remove ancestors of the removed items if they turned to be empty now\n\t// (their whole content was contained in the range).\n\tparentsToCheck.forEach( parentToCheck => {\n\t\tlet parent = parentToCheck;\n\n\t\twhile ( parent.parent && parent.isEmpty ) {\n\t\t\tconst removeRange = writer.createRangeOn( parent );\n\n\t\t\tparent = parent.parent;\n\n\t\t\twriter.remove( removeRange );\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/selection-post-fixer\n */\n\nimport Range from '../range';\nimport Position from '../position';\n\n/**\n * Injects selection post-fixer to the model.\n *\n * The role of the selection post-fixer is to ensure that the selection is in a correct place\n * after a {@link module:engine/model/model~Model#change `change()`} block was executed.\n *\n * The correct position means that:\n *\n * * All collapsed selection ranges are in a place where the {@link module:engine/model/schema~Schema}\n * allows a `$text`.\n * * None of the selection's non-collapsed ranges crosses a {@link module:engine/model/schema~Schema#isLimit limit element}\n * boundary (a range must be rooted within one limit element).\n * * Only {@link module:engine/model/schema~Schema#isSelectable selectable elements} can be selected from the outside\n * (e.g. `[<paragraph>foo</paragraph>]` is invalid). This rule applies independently to both selection ends, so this\n * selection is correct: `<paragraph>f[oo</paragraph><image></image>]`.\n *\n * If the position is not correct, the post-fixer will automatically correct it.\n *\n * ## Fixing a non-collapsed selection\n *\n * See as an example a selection that starts in a P1 element and ends inside the text of a TD element\n * (`[` and `]` are range boundaries and `(l)` denotes an element defined as `isLimit=true`):\n *\n *\t\troot\n *\t\t |- element P1\n *\t\t |   |- \"foo\"                                      root\n *\t\t |- element TABLE (l)                   P1         TABLE             P2\n *\t\t |   |- element TR (l)                 f o[o     TR      TR         b a r\n *\t\t |   |   |- element TD (l)                       TD      TD\n *\t\t |   |       |- \"aaa\"                          a]a a    b b b\n *\t\t |   |- element TR (l)\n *\t\t |   |   |- element TD (l)                           ||\n *\t\t |   |       |- \"bbb\"                                ||\n *\t\t |- element P2                                       VV\n *\t\t |   |- \"bar\"\n *\t\t                                                   root\n *\t\t                                        P1         TABLE]            P2\n *\t\t                                       f o[o     TR      TR         b a r\n *\t\t                                                 TD      TD\n *\t\t                                               a a a    b b b\n *\n * In the example above, the TABLE, TR and TD are defined as `isLimit=true` in the schema. The range which is not contained within\n * a single limit element must be expanded to select the outermost limit element. The range end is inside the text node of the TD element.\n * As the TD element is a child of the TR and TABLE elements, where both are defined as `isLimit=true` in the schema, the range must be\n * expanded to select the whole TABLE element.\n *\n * **Note** If the selection contains multiple ranges, the method returns a minimal set of ranges that are not intersecting after expanding\n * them to select `isLimit=true` elements.\n *\n * @param {module:engine/model/model~Model} model\n */\nexport function injectSelectionPostFixer( model ) {\n\tmodel.document.registerPostFixer( writer => selectionPostFixer( writer, model ) );\n}\n\n// The selection post-fixer.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/model~Model} model\nfunction selectionPostFixer( writer, model ) {\n\tconst selection = model.document.selection;\n\tconst schema = model.schema;\n\n\tconst ranges = [];\n\n\tlet wasFixed = false;\n\n\tfor ( const modelRange of selection.getRanges() ) {\n\t\t// Go through all ranges in selection and try fixing each of them.\n\t\t// Those ranges might overlap but will be corrected later.\n\t\tconst correctedRange = tryFixingRange( modelRange, schema );\n\n\t\t// \"Selection fixing\" algorithms sometimes get lost. In consequence, it may happen\n\t\t// that a new range is returned but, in fact, it has the same positions as the original\n\t\t// range anyway. If this range is not discarded, a new selection will be set and that,\n\t\t// for instance, would destroy the selection attributes. Let's make sure that the post-fixer\n\t\t// actually worked first before setting a new selection.\n\t\t//\n\t\t// https://github.com/ckeditor/ckeditor5/issues/6693\n\t\tif ( correctedRange && !correctedRange.isEqual( modelRange ) ) {\n\t\t\tranges.push( correctedRange );\n\t\t\twasFixed = true;\n\t\t} else {\n\t\t\tranges.push( modelRange );\n\t\t}\n\t}\n\n\t// If any of ranges were corrected update the selection.\n\tif ( wasFixed ) {\n\t\twriter.setSelection( mergeIntersectingRanges( ranges ), { backward: selection.isBackward } );\n\t}\n}\n\n// Tries fixing a range if it's incorrect.\n//\n// @param {module:engine/model/range~Range} range\n// @param {module:engine/model/schema~Schema} schema\n// @returns {module:engine/model/range~Range|null} Returns fixed range or null if range is valid.\nfunction tryFixingRange( range, schema ) {\n\tif ( range.isCollapsed ) {\n\t\treturn tryFixingCollapsedRange( range, schema );\n\t}\n\n\treturn tryFixingNonCollapsedRage( range, schema );\n}\n\n// Tries to fix collapsed ranges.\n//\n// * Fixes situation when a range is in a place where $text is not allowed\n//\n// @param {module:engine/model/range~Range} range Collapsed range to fix.\n// @param {module:engine/model/schema~Schema} schema\n// @returns {module:engine/model/range~Range|null} Returns fixed range or null if range is valid.\nfunction tryFixingCollapsedRange( range, schema ) {\n\tconst originalPosition = range.start;\n\n\tconst nearestSelectionRange = schema.getNearestSelectionRange( originalPosition );\n\n\t// This might be null ie when editor data is empty.\n\t// In such cases there is no need to fix the selection range.\n\tif ( !nearestSelectionRange ) {\n\t\treturn null;\n\t}\n\n\tif ( !nearestSelectionRange.isCollapsed ) {\n\t\treturn nearestSelectionRange;\n\t}\n\n\tconst fixedPosition = nearestSelectionRange.start;\n\n\t// Fixed position is the same as original - no need to return corrected range.\n\tif ( originalPosition.isEqual( fixedPosition ) ) {\n\t\treturn null;\n\t}\n\n\treturn new Range( fixedPosition );\n}\n\n// Tries to fix an expanded range.\n//\n// @param {module:engine/model/range~Range} range Expanded range to fix.\n// @param {module:engine/model/schema~Schema} schema\n// @returns {module:engine/model/range~Range|null} Returns fixed range or null if range is valid.\nfunction tryFixingNonCollapsedRage( range, schema ) {\n\tconst { start, end } = range;\n\n\tconst isTextAllowedOnStart = schema.checkChild( start, '$text' );\n\tconst isTextAllowedOnEnd = schema.checkChild( end, '$text' );\n\n\tconst startLimitElement = schema.getLimitElement( start );\n\tconst endLimitElement = schema.getLimitElement( end );\n\n\t// Ranges which both end are inside the same limit element (or root) might needs only minor fix.\n\tif ( startLimitElement === endLimitElement ) {\n\t\t// Range is valid when both position allows to place a text:\n\t\t// - <block>f[oobarba]z</block>\n\t\t// This would be \"fixed\" by a next check but as it will be the same it's better to return null so the selection stays the same.\n\t\tif ( isTextAllowedOnStart && isTextAllowedOnEnd ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// Range that is on non-limit element (or is partially) must be fixed so it is placed inside the block around $text:\n\t\t// - [<block>foo</block>]    ->    <block>[foo]</block>\n\t\t// - [<block>foo]</block>    ->    <block>[foo]</block>\n\t\t// - <block>f[oo</block>]    ->    <block>f[oo]</block>\n\t\t// - [<block>foo</block><selectable></selectable>]    ->    <block>[foo</block><selectable></selectable>]\n\t\tif ( checkSelectionOnNonLimitElements( start, end, schema ) ) {\n\t\t\tconst isStartBeforeSelectable = start.nodeAfter && schema.isSelectable( start.nodeAfter );\n\t\t\tconst fixedStart = isStartBeforeSelectable ? null : schema.getNearestSelectionRange( start, 'forward' );\n\n\t\t\tconst isEndAfterSelectable = end.nodeBefore && schema.isSelectable( end.nodeBefore );\n\t\t\tconst fixedEnd = isEndAfterSelectable ? null : schema.getNearestSelectionRange( end, 'backward' );\n\n\t\t\t// The schema.getNearestSelectionRange might return null - if that happens use original position.\n\t\t\tconst rangeStart = fixedStart ? fixedStart.start : start;\n\t\t\tconst rangeEnd = fixedEnd ? fixedEnd.end : end;\n\n\t\t\treturn new Range( rangeStart, rangeEnd );\n\t\t}\n\t}\n\n\tconst isStartInLimit = startLimitElement && !startLimitElement.is( 'rootElement' );\n\tconst isEndInLimit = endLimitElement && !endLimitElement.is( 'rootElement' );\n\n\t// At this point we eliminated valid positions on text nodes so if one of range positions is placed inside a limit element\n\t// then the range crossed limit element boundaries and needs to be fixed.\n\tif ( isStartInLimit || isEndInLimit ) {\n\t\tconst bothInSameParent = ( start.nodeAfter && end.nodeBefore ) && start.nodeAfter.parent === end.nodeBefore.parent;\n\n\t\tconst expandStart = isStartInLimit && ( !bothInSameParent || !isSelectable( start.nodeAfter, schema ) );\n\t\tconst expandEnd = isEndInLimit && ( !bothInSameParent || !isSelectable( end.nodeBefore, schema ) );\n\n\t\t// Although we've already found limit element on start/end positions we must find the outer-most limit element.\n\t\t// as limit elements might be nested directly inside (ie table > tableRow > tableCell).\n\t\tlet fixedStart = start;\n\t\tlet fixedEnd = end;\n\n\t\tif ( expandStart ) {\n\t\t\tfixedStart = Position._createBefore( findOutermostLimitAncestor( startLimitElement, schema ) );\n\t\t}\n\n\t\tif ( expandEnd ) {\n\t\t\tfixedEnd = Position._createAfter( findOutermostLimitAncestor( endLimitElement, schema ) );\n\t\t}\n\n\t\treturn new Range( fixedStart, fixedEnd );\n\t}\n\n\t// Range was not fixed at this point so it is valid - ie it was placed around limit element already.\n\treturn null;\n}\n\n// Finds the outer-most ancestor.\n//\n// @param {module:engine/model/node~Node} startingNode\n// @param {module:engine/model/schema~Schema} schema\n// @param {String} expandToDirection Direction of expansion - either 'start' or 'end' of the range.\n// @returns {module:engine/model/node~Node}\nfunction findOutermostLimitAncestor( startingNode, schema ) {\n\tlet isLimitNode = startingNode;\n\tlet parent = isLimitNode;\n\n\t// Find outer most isLimit block as such blocks might be nested (ie. in tables).\n\twhile ( schema.isLimit( parent ) && parent.parent ) {\n\t\tisLimitNode = parent;\n\t\tparent = parent.parent;\n\t}\n\n\treturn isLimitNode;\n}\n\n// Checks whether any of range boundaries is placed around non-limit elements.\n//\n// @param {module:engine/model/position~Position} start\n// @param {module:engine/model/position~Position} end\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction checkSelectionOnNonLimitElements( start, end, schema ) {\n\tconst startIsOnBlock = ( start.nodeAfter && !schema.isLimit( start.nodeAfter ) ) || schema.checkChild( start, '$text' );\n\tconst endIsOnBlock = ( end.nodeBefore && !schema.isLimit( end.nodeBefore ) ) || schema.checkChild( end, '$text' );\n\n\t// We should fix such selection when one of those nodes needs fixing.\n\treturn startIsOnBlock || endIsOnBlock;\n}\n\n// Returns a minimal non-intersecting array of ranges.\n//\n// @param {Array.<module:engine/model/range~Range>} ranges\n// @returns {Array.<module:engine/model/range~Range>}\nfunction mergeIntersectingRanges( ranges ) {\n\tconst nonIntersectingRanges = [];\n\n\t// First range will always be fine.\n\tnonIntersectingRanges.push( ranges.shift() );\n\n\tfor ( const range of ranges ) {\n\t\tconst previousRange = nonIntersectingRanges.pop();\n\n\t\tif ( range.isEqual( previousRange ) ) {\n\t\t\t// Use only one of two identical ranges.\n\t\t\tnonIntersectingRanges.push( previousRange );\n\t\t} else if ( range.isIntersecting( previousRange ) ) {\n\t\t\t// Get the sum of two ranges.\n\t\t\tconst start = previousRange.start.isAfter( range.start ) ? range.start : previousRange.start;\n\t\t\tconst end = previousRange.end.isAfter( range.end ) ? previousRange.end : range.end;\n\n\t\t\tconst merged = new Range( start, end );\n\t\t\tnonIntersectingRanges.push( merged );\n\t\t} else {\n\t\t\tnonIntersectingRanges.push( previousRange );\n\t\t\tnonIntersectingRanges.push( range );\n\t\t}\n\t}\n\n\treturn nonIntersectingRanges;\n}\n\n// Checks if node exists and if it's a selectable.\n//\n// @param {module:engine/model/node~Node} node\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction isSelectable( node, schema ) {\n\treturn node && schema.isSelectable( node );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/model\n */\n\nimport Batch from './batch';\nimport Writer from './writer';\nimport Schema from './schema';\nimport Document from './document';\nimport MarkerCollection from './markercollection';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ModelElement from './element';\nimport ModelRange from './range';\nimport ModelPosition from './position';\nimport ModelSelection from './selection';\nimport OperationFactory from './operation/operationfactory';\n\nimport insertContent from './utils/insertcontent';\nimport deleteContent from './utils/deletecontent';\nimport modifySelection from './utils/modifyselection';\nimport getSelectedContent from './utils/getselectedcontent';\nimport { injectSelectionPostFixer } from './utils/selection-post-fixer';\nimport { autoParagraphEmptyRoots } from './utils/autoparagraphing';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// @if CK_DEBUG_ENGINE // const { dumpTrees } = require( '../dev-utils/utils' );\n// @if CK_DEBUG_ENGINE // const { OperationReplayer } = require( '../dev-utils/operationreplayer' ).default;\n\n/**\n * Editor's data model. Read about the model in the\n * {@glink framework/guides/architecture/editing-engine engine architecture guide}.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Model {\n\tconstructor() {\n\t\t/**\n\t\t * Model's marker collection.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/markercollection~MarkerCollection}\n\t\t */\n\t\tthis.markers = new MarkerCollection();\n\n\t\t/**\n\t\t * Model's document.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/document~Document}\n\t\t */\n\t\tthis.document = new Document( this );\n\n\t\t/**\n\t\t * Model's schema.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/schema~Schema}\n\t\t */\n\t\tthis.schema = new Schema();\n\n\t\t/**\n\t\t * All callbacks added by {@link module:engine/model/model~Model#change} or\n\t\t * {@link module:engine/model/model~Model#enqueueChange} methods waiting to be executed.\n\t\t *\n\t\t * @private\n\t\t * @type {Array.<Function>}\n\t\t */\n\t\tthis._pendingChanges = [];\n\n\t\t/**\n\t\t * The last created and currently used writer instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/writer~Writer}\n\t\t */\n\t\tthis._currentWriter = null;\n\n\t\t[ 'insertContent', 'deleteContent', 'modifySelection', 'getSelectedContent', 'applyOperation' ]\n\t\t\t.forEach( methodName => this.decorate( methodName ) );\n\n\t\t// Adding operation validation with `highest` priority, so it is called before any other feature would like\n\t\t// to do anything with the operation. If the operation has incorrect parameters it should throw on the earliest occasion.\n\t\tthis.on( 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\toperation._validate();\n\t\t}, { priority: 'highest' } );\n\n\t\t// Register some default abstract entities.\n\t\tthis.schema.register( '$root', {\n\t\t\tisLimit: true\n\t\t} );\n\t\tthis.schema.register( '$block', {\n\t\t\tallowIn: '$root',\n\t\t\tisBlock: true\n\t\t} );\n\t\tthis.schema.register( '$text', {\n\t\t\tallowIn: '$block',\n\t\t\tisInline: true,\n\t\t\tisContent: true\n\t\t} );\n\t\tthis.schema.register( '$clipboardHolder', {\n\t\t\tallowContentOf: '$root',\n\t\t\tisLimit: true\n\t\t} );\n\t\tthis.schema.extend( '$text', { allowIn: '$clipboardHolder' } );\n\n\t\t// An element needed by the `upcastElementToMarker` converter.\n\t\t// This element temporarily represents a marker boundary during the conversion process and is removed\n\t\t// at the end of the conversion. `UpcastDispatcher` or at least `Conversion` class looks like a\n\t\t// better place for this registration but both know nothing about `Schema`.\n\t\tthis.schema.register( '$marker' );\n\t\tthis.schema.addChildCheck( ( context, childDefinition ) => {\n\t\t\tif ( childDefinition.name === '$marker' ) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t} );\n\n\t\tinjectSelectionPostFixer( this );\n\n\t\t// Post-fixer which takes care of adding empty paragraph elements to the empty roots.\n\t\tthis.document.registerPostFixer( autoParagraphEmptyRoots );\n\n\t\t// @if CK_DEBUG_ENGINE // this.on( 'applyOperation', () => {\n\t\t// @if CK_DEBUG_ENGINE // \tdumpTrees( this.document, this.document.version );\n\t\t// @if CK_DEBUG_ENGINE // }, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * The `change()` method is the primary way of changing the model. You should use it to modify all document nodes\n\t * (including detached nodes – i.e. nodes not added to the {@link module:engine/model/model~Model#document model document}),\n\t * the {@link module:engine/model/document~Document#selection document's selection}, and\n\t * {@link module:engine/model/model~Model#markers model markers}.\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n\t *\t\t} );\n\t *\n\t * All changes inside the change block use the same {@link module:engine/model/batch~Batch} so they are combined\n\t * into a single undo step.\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\twriter.insertText( 'foo', paragraph, 'end' ); // foo.\n\t *\n\t *\t\t\tmodel.change( writer => {\n\t *\t\t\t\twriter.insertText( 'bar', paragraph, 'end' ); // foobar.\n\t *\t\t\t} );\n\t *\n\t * \t\t\twriter.insertText( 'bom', paragraph, 'end' ); // foobarbom.\n\t *\t\t} );\n\t *\n\t * The callback of the `change()` block is executed synchronously.\n\t *\n\t * You can also return a value from the change block.\n\t *\n\t *\t\tconst img = model.change( writer => {\n\t *\t\t\treturn writer.createElement( 'img' );\n\t *\t\t} );\n\t *\n\t * @see #enqueueChange\n\t * @param {Function} callback Callback function which may modify the model.\n\t * @returns {*} Value returned by the callback.\n\t */\n\tchange( callback ) {\n\t\ttry {\n\t\t\tif ( this._pendingChanges.length === 0 ) {\n\t\t\t\t// If this is the outermost block, create a new batch and start `_runPendingChanges` execution flow.\n\t\t\t\tthis._pendingChanges.push( { batch: new Batch(), callback } );\n\n\t\t\t\treturn this._runPendingChanges()[ 0 ];\n\t\t\t} else {\n\t\t\t\t// If this is not the outermost block, just execute the callback.\n\t\t\t\treturn callback( this._currentWriter );\n\t\t\t}\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t}\n\n\t/**\n\t * The `enqueueChange()` method performs similar task as the {@link #change `change()` method}, with two major differences.\n\t *\n\t * First, the callback of `enqueueChange()` is executed when all other enqueued changes are done. It might be executed\n\t * immediately if it is not nested in any other change block, but if it is nested in another (enqueue)change block,\n\t * it will be delayed and executed after the outermost block.\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\tconsole.log( 1 );\n\t *\n\t *\t\t\tmodel.enqueueChange( writer => {\n\t *\t\t\t\tconsole.log( 2 );\n\t *\t\t\t} );\n\t *\n\t * \t\t\tconsole.log( 3 );\n\t *\t\t} ); // Will log: 1, 3, 2.\n\t *\n\t * In addition to that, the changes enqueued with `enqueueChange()` will be converted separately from the changes\n\t * done in the outer `change()` block.\n\t *\n\t * Second, it lets you define the {@link module:engine/model/batch~Batch} into which you want to add your changes.\n\t * By default, a new batch is created. In the sample above, `change` and `enqueueChange` blocks use a different\n\t * batch (and different {@link module:engine/model/writer~Writer} since each of them operates on the separate batch).\n\t *\n\t * When using the `enqueueChange()` block you can also add some changes to the batch you used before.\n\t *\n\t *\t\tmodel.enqueueChange( batch, writer => {\n\t *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n\t *\t\t} );\n\t *\n\t * In order to make a nested `enqueueChange()` create a single undo step together with the changes done in the outer `change()`\n\t * block, you can obtain the batch instance from the  {@link module:engine/model/writer~Writer#batch writer} of the outer block.\n\t *\n\t * @param {module:engine/model/batch~Batch|'transparent'|'default'} batchOrType Batch or batch type should be used in the callback.\n\t * If not defined, a new batch will be created.\n\t * @param {Function} callback Callback function which may modify the model.\n\t */\n\tenqueueChange( batchOrType, callback ) {\n\t\ttry {\n\t\t\tif ( typeof batchOrType === 'string' ) {\n\t\t\t\tbatchOrType = new Batch( batchOrType );\n\t\t\t} else if ( typeof batchOrType == 'function' ) {\n\t\t\t\tcallback = batchOrType;\n\t\t\t\tbatchOrType = new Batch();\n\t\t\t}\n\n\t\t\tthis._pendingChanges.push( { batch: batchOrType, callback } );\n\n\t\t\tif ( this._pendingChanges.length == 1 ) {\n\t\t\t\tthis._runPendingChanges();\n\t\t\t}\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t}\n\n\t/**\n\t * {@link module:utils/observablemixin~ObservableMixin#decorate Decorated} function for applying\n\t * {@link module:engine/model/operation/operation~Operation operations} to the model.\n\t *\n\t * This is a low-level way of changing the model. It is exposed for very specific use cases (like the undo feature).\n\t * Normally, to modify the model, you will want to use {@link module:engine/model/writer~Writer `Writer`}.\n\t * See also {@glink framework/guides/architecture/editing-engine#changing-the-model Changing the model} section\n\t * of the {@glink framework/guides/architecture/editing-engine Editing architecture} guide.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation The operation to apply.\n\t */\n\tapplyOperation( operation ) {\n\t\t// @if CK_DEBUG_ENGINE // console.log( 'Applying ' + operation );\n\n\t\t// @if CK_DEBUG_ENGINE // if ( !this._operationLogs ) {\n\t\t// @if CK_DEBUG_ENGINE //\tthis._operationLogs = [];\n\t\t// @if CK_DEBUG_ENGINE // }\n\n\t\t// @if CK_DEBUG_ENGINE // this._operationLogs.push( JSON.stringify( operation ) );\n\n\t\t// @if CK_DEBUG_ENGINE //if ( !this._appliedOperations ) {\n\t\t// @if CK_DEBUG_ENGINE //\tthis._appliedOperations = [];\n\t\t// @if CK_DEBUG_ENGINE //}\n\n\t\t// @if CK_DEBUG_ENGINE //this._appliedOperations.push( operation );\n\n\t\toperation._execute();\n\t}\n\n\t// @if CK_DEBUG_ENGINE // getAppliedOperation() {\n\t// @if CK_DEBUG_ENGINE //\tif ( !this._appliedOperations ) {\n\t// @if CK_DEBUG_ENGINE //\t\treturn '';\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\treturn this._appliedOperations.map( JSON.stringify ).join( '-------' );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // createReplayer( stringifiedOperations ) {\n\t// @if CK_DEBUG_ENGINE //\treturn new OperationReplayer( this, '-------', stringifiedOperations );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t/**\n\t * Inserts content at the position in the editor specified by the selection, as one would expect the paste\n\t * functionality to work.\n\t *\n\t * This is a high-level method. It takes the {@link #schema schema} into consideration when inserting\n\t * the content, clears the given selection's content before inserting nodes and moves the selection\n\t * to its target position at the end of the process.\n\t * It can split elements, merge them, wrap bare text nodes with paragraphs, etc. &mdash; just like the\n\t * pasting feature should do.\n\t *\n\t * For lower-level methods see {@link module:engine/model/writer~Writer `Writer`}.\n\t *\n\t * This method, unlike {@link module:engine/model/writer~Writer `Writer`}'s methods, does not have to be used\n\t * inside a {@link #change `change()` block}.\n\t *\n\t * # Conversion and schema\n\t *\n\t * Inserting elements and text nodes into the model is not enough to make CKEditor 5 render that content\n\t * to the user. CKEditor 5 implements a model-view-controller architecture and what `model.insertContent()` does\n\t * is only adding nodes to the model. Additionally, you need to define\n\t * {@glink framework/guides/architecture/editing-engine#conversion converters} between the model and view\n\t * and define those nodes in the {@glink framework/guides/architecture/editing-engine#schema schema}.\n\t *\n\t * So, while this method may seem similar to CKEditor 4 `editor.insertHtml()` (in fact, both methods\n\t * are used for paste-like content insertion), the CKEditor 5 method cannot be use to insert arbitrary HTML\n\t * unless converters are defined for all elements and attributes in that HTML.\n\t *\n\t * # Examples\n\t *\n\t * Using `insertContent()` with a manually created model structure:\n\t *\n\t *\t\t// Let's create a document fragment containing such content as:\n\t *\t\t//\n\t *\t\t// <paragraph>foo</paragraph>\n\t *\t\t// <blockQuote>\n\t *\t\t//    <paragraph>bar</paragraph>\n\t *\t\t// </blockQuote>\n\t *\t\tconst docFrag = editor.model.change( writer => {\n\t *\t\t\tconst p1 = writer.createElement( 'paragraph' );\n\t *\t\t\tconst p2 = writer.createElement( 'paragraph' );\n\t *\t\t\tconst blockQuote = writer.createElement( 'blockQuote' );\n\t *\t\t\tconst docFrag = writer.createDocumentFragment();\n\t *\n\t *\t\t\twriter.append( p1, docFrag );\n\t *\t\t\twriter.append( blockQuote, docFrag );\n\t *\t\t\twriter.append( p2, blockQuote );\n\t *\t\t\twriter.insertText( 'foo', p1 );\n\t *\t\t\twriter.insertText( 'bar', p2 );\n\t *\n\t *\t\t\treturn docFrag;\n\t *\t\t} );\n\t *\n\t *\t\t// insertContent() does not have to be used in a change() block. It can, though,\n\t *\t\t// so this code could be moved to the callback defined above.\n\t *\t\teditor.model.insertContent( docFrag );\n\t *\n\t * Using `insertContent()` with an HTML string converted to a model document fragment (similar to the pasting mechanism):\n\t *\n\t *\t\t// You can create your own HtmlDataProcessor instance or use editor.data.processor\n\t *\t\t// if you have not overridden the default one (which is the HtmlDataProcessor instance).\n\t *\t\tconst htmlDP = new HtmlDataProcessor( viewDocument );\n\t *\n\t *\t\t// Convert an HTML string to a view document fragment:\n\t *\t\tconst viewFragment = htmlDP.toView( htmlString );\n\t *\n\t *\t\t// Convert the view document fragment to a model document fragment\n\t *\t\t// in the context of $root. This conversion takes the schema into\n\t *\t\t// account so if, for example, the view document fragment contained a bare text node,\n\t *\t\t// this text node cannot be a child of $root, so it will be automatically\n\t *\t\t// wrapped with a <paragraph>. You can define the context yourself (in the second parameter),\n\t *\t\t// and e.g. convert the content like it would happen in a <paragraph>.\n\t *\t\t// Note: The clipboard feature uses a custom context called $clipboardHolder\n\t *\t\t// which has a loosened schema.\n\t *\t\tconst modelFragment = editor.data.toModel( viewFragment );\n\t *\n\t *\t\teditor.model.insertContent( modelFragment );\n\t *\n\t * By default this method will use the document selection but it can also be used with a position, range or selection instance.\n\t *\n\t *\t\t// Insert text at the current document selection position.\n\t *\t\teditor.model.change( writer => {\n\t *\t\t\teditor.model.insertContent( writer.createText( 'x' ) );\n\t *\t\t} );\n\t *\n\t *\t\t// Insert text at a given position - the document selection will not be modified.\n\t *\t\teditor.model.change( writer => {\n\t *\t\t\teditor.model.insertContent( writer.createText( 'x' ), doc.getRoot(), 2 );\n\t *\n\t *\t\t\t// Which is a shorthand for:\n\t *\t\t\teditor.model.insertContent( writer.createText( 'x' ), writer.createPositionAt( doc.getRoot(), 2 ) );\n\t *\t\t} );\n\t *\n\t * If you want the document selection to be moved to the inserted content, use the\n\t * {@link module:engine/model/writer~Writer#setSelection `setSelection()`} method of the writer after inserting\n\t * the content:\n\t *\n\t *\t\teditor.model.change( writer => {\n\t *\t\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\n\t *\t\t\t// Insert an empty paragraph at the beginning of the root.\n\t *\t\t\teditor.model.insertContent( paragraph, writer.createPositionAt( editor.model.document.getRoot(), 0 ) );\n\t *\n\t *\t\t\t// Move the document selection to the inserted paragraph.\n\t *\t\t\twriter.setSelection( paragraph, 'in' );\n\t *\t\t} );\n\t *\n\t * If an instance of the {@link module:engine/model/selection~Selection model selection} is passed as `selectable`,\n\t * the new content will be inserted at the passed selection (instead of document selection):\n\t *\n\t *\t\teditor.model.change( writer => {\n\t *\t\t\t// Create a selection in a paragraph that will be used as a place of insertion.\n\t *\t\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t\t// Insert the new text at the created selection.\n\t *\t\t\teditor.model.insertContent( writer.createText( 'x' ), selection );\n\t *\n\t *\t\t\t// insertContent() modifies the passed selection instance so it can be used to set the document selection.\n\t *\t\t\t// Note: This is not necessary when you passed the document selection to insertContent().\n\t *\t\t\twriter.setSelection( selection );\n\t *\t\t} );\n\t *\n\t * @fires insertContent\n\t * @param {module:engine/model/documentfragment~DocumentFragment|module:engine/model/item~Item} content The content to insert.\n\t * @param {module:engine/model/selection~Selectable} [selectable=model.document.selection]\n\t * The selection into which the content should be inserted. If not provided the current model document selection will be used.\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] To be used when a model item was passed as `selectable`.\n\t * This param defines a position in relation to that item.\n\t * @returns {module:engine/model/range~Range} Range which contains all the performed changes. This is a range that, if removed,\n\t * would return the model to the state before the insertion. If no changes were preformed by `insertContent`, returns a range collapsed\n\t * at the insertion position.\n\t */\n\tinsertContent( content, selectable, placeOrOffset ) {\n\t\treturn insertContent( this, content, selectable, placeOrOffset );\n\t}\n\n\t/**\n\t * Deletes content of the selection and merge siblings. The resulting selection is always collapsed.\n\t *\n\t * **Note:** For the sake of predictability, the resulting selection should always be collapsed.\n\t * In cases where a feature wants to modify deleting behavior so selection isn't collapsed\n\t * (e.g. a table feature may want to keep row selection after pressing <kbd>Backspace</kbd>),\n\t * then that behavior should be implemented in the view's listener. At the same time, the table feature\n\t * will need to modify this method's behavior too, e.g. to \"delete contents and then collapse\n\t * the selection inside the last selected cell\" or \"delete the row and collapse selection somewhere near\".\n\t * That needs to be done in order to ensure that other features which use `deleteContent()` will work well with tables.\n\t *\n\t * @fires deleteContent\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * Selection of which the content should be deleted.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.leaveUnmerged=false] Whether to merge elements after removing the content of the selection.\n\t *\n\t * For example `<heading1>x[x</heading1><paragraph>y]y</paragraph>` will become:\n\t *\n\t * * `<heading1>x^y</heading1>` with the option disabled (`leaveUnmerged == false`)\n\t * * `<heading1>x^</heading1><paragraph>y</paragraph>` with enabled (`leaveUnmerged == true`).\n\t *\n\t * Note: {@link module:engine/model/schema~Schema#isObject object} and {@link module:engine/model/schema~Schema#isLimit limit}\n\t * elements will not be merged.\n\t *\n\t * @param {Boolean} [options.doNotResetEntireContent=false] Whether to skip replacing the entire content with a\n\t * paragraph when the entire content was selected.\n\t *\n\t * For example `<heading1>[x</heading1><paragraph>y]</paragraph>` will become:\n\t *\n\t * * `<paragraph>^</paragraph>` with the option disabled (`doNotResetEntireContent == false`)\n\t * * `<heading1>^</heading1>` with enabled (`doNotResetEntireContent == true`)\n\t *\n\t * @param {Boolean} [options.doNotAutoparagraph=false] Whether to create a paragraph if after content deletion selection is moved\n\t * to a place where text cannot be inserted.\n\t *\n\t * For example `<paragraph>x</paragraph>[<image src=\"foo.jpg\"></image>]` will become:\n\t *\n\t * * `<paragraph>x</paragraph><paragraph>[]</paragraph>` with the option disabled (`doNotAutoparagraph == false`)\n\t * * `<paragraph>x[]</paragraph>` with the option enabled (`doNotAutoparagraph == true`).\n\t *\n\t * **Note:** if there is no valid position for the selection, the paragraph will always be created:\n\t *\n\t * `[<image src=\"foo.jpg\"></image>]` -> `<paragraph>[]</paragraph>`.\n\t *\n\t * @param {'forward'|'backward'} [options.direction='backward'] The direction in which the content is being consumed.\n\t * Deleting backward corresponds to using the <kbd>Backspace</kbd> key, while deleting content forward corresponds to\n\t * the <kbd>Shift</kbd>+<kbd>Backspace</kbd> keystroke.\n\t */\n\tdeleteContent( selection, options ) {\n\t\tdeleteContent( this, selection, options );\n\t}\n\n\t/**\n\t * Modifies the selection. Currently, the supported modifications are:\n\t *\n\t * * Extending. The selection focus is moved in the specified `options.direction` with a step specified in `options.unit`.\n\t * Possible values for `unit` are:\n\t *  * `'character'` (default) - moves selection by one user-perceived character. In most cases this means moving by one\n\t *  character in `String` sense. However, unicode also defines \"combing marks\". These are special symbols, that combines\n\t *  with a symbol before it (\"base character\") to create one user-perceived character. For example, `q̣̇` is a normal\n\t *  letter `q` with two \"combining marks\": upper dot (`Ux0307`) and lower dot (`Ux0323`). For most actions, i.e. extending\n\t *  selection by one position, it is correct to include both \"base character\" and all of it's \"combining marks\". That is\n\t *  why `'character'` value is most natural and common method of modifying selection.\n\t *  * `'codePoint'` - moves selection by one unicode code point. In contrary to, `'character'` unit, this will insert\n\t *  selection between \"base character\" and \"combining mark\", because \"combining marks\" have their own unicode code points.\n\t *  However, for technical reasons, unicode code points with values above `UxFFFF` are represented in native `String` by\n\t *  two characters, called \"surrogate pairs\". Halves of \"surrogate pairs\" have a meaning only when placed next to each other.\n\t *  For example `𨭎` is represented in `String` by `\\uD862\\uDF4E`. Both `\\uD862` and `\\uDF4E` do not have any meaning\n\t *  outside the pair (are rendered as ? when alone). Position between them would be incorrect. In this case, selection\n\t *  extension will include whole \"surrogate pair\".\n\t *  * `'word'` - moves selection by a whole word.\n\t *\n\t * **Note:** if you extend a forward selection in a backward direction you will in fact shrink it.\n\t *\n\t * @fires modifySelection\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * The selection to modify.\n\t * @param {Object} [options]\n\t * @param {'forward'|'backward'} [options.direction='forward'] The direction in which the selection should be modified.\n\t * @param {'character'|'codePoint'|'word'} [options.unit='character'] The unit by which selection should be modified.\n\t */\n\tmodifySelection( selection, options ) {\n\t\tmodifySelection( this, selection, options );\n\t}\n\n\t/**\n\t * Gets a clone of the selected content.\n\t *\n\t * For example, for the following selection:\n\t *\n\t * ```html\n\t * <paragraph>x</paragraph>\n\t * <blockQuote>\n\t *\t<paragraph>y</paragraph>\n\t *\t<heading1>fir[st</heading1>\n\t * </blockQuote>\n\t * <paragraph>se]cond</paragraph>\n\t * <paragraph>z</paragraph>\n\t * ```\n\t *\n\t * It will return a document fragment with such a content:\n\t *\n\t * ```html\n\t * <blockQuote>\n\t *\t<heading1>st</heading1>\n\t * </blockQuote>\n\t * <paragraph>se</paragraph>\n\t * ```\n\t *\n\t * @fires getSelectedContent\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * The selection of which content will be returned.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tgetSelectedContent( selection ) {\n\t\treturn getSelectedContent( this, selection );\n\t}\n\n\t/**\n\t * Checks whether the given {@link module:engine/model/range~Range range} or\n\t * {@link module:engine/model/element~Element element} has any meaningful content.\n\t *\n\t * Meaningful content is:\n\t *\n\t * * any text node (`options.ignoreWhitespaces` allows controlling whether this text node must also contain\n\t * any non-whitespace characters),\n\t * * or any {@link module:engine/model/schema~Schema#isContent content element},\n\t * * or any {@link module:engine/model/markercollection~Marker marker} which\n\t * {@link module:engine/model/markercollection~Marker#_affectsData affects data}.\n\t *\n\t * This means that a range containing an empty `<paragraph></paragraph>` is not considered to have a meaningful content.\n\t * However, a range containing an `<image></image>` (which would normally be marked in the schema as an object element)\n\t * is considered non-empty.\n\t *\n\t * @param {module:engine/model/range~Range|module:engine/model/element~Element} rangeOrElement Range or element to check.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.ignoreWhitespaces] Whether text node with whitespaces only should be considered empty.\n\t * @param {Boolean} [options.ignoreMarkers] Whether markers should be ignored.\n\t * @returns {Boolean}\n\t */\n\thasContent( rangeOrElement, options = {} ) {\n\t\tconst range = rangeOrElement instanceof ModelElement ? ModelRange._createIn( rangeOrElement ) : rangeOrElement;\n\n\t\tif ( range.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst { ignoreWhitespaces = false, ignoreMarkers = false } = options;\n\n\t\t// Check if there are any markers which affects data in this given range.\n\t\tif ( !ignoreMarkers ) {\n\t\t\tfor ( const intersectingMarker of this.markers.getMarkersIntersectingRange( range ) ) {\n\t\t\t\tif ( intersectingMarker.affectsData ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tfor ( const item of range.getItems() ) {\n\t\t\tif ( this.schema.isContent( item ) ) {\n\t\t\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\t\t\tif ( !ignoreWhitespaces ) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t} else if ( item.data.search( /\\S/ ) !== -1 ) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Creates a position from the given root and path in that root.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createPositionFromPath `Writer#createPositionFromPath()`}.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} root Root of the position.\n\t * @param {Array.<Number>} path Position path. See {@link module:engine/model/position~Position#path}.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * See {@link module:engine/model/position~PositionStickiness}.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionFromPath( root, path, stickiness ) {\n\t\treturn new ModelPosition( root, path, stickiness );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/model/position~Position position},\n\t * * a parent element and offset in that element,\n\t * * a parent element and `'end'` (the position will be set at the end of that element),\n\t * * a {@link module:engine/model/item~Item model item} and `'before'` or `'after'`\n\t * (the position will be set before or after the given model item).\n\t *\n\t * This method is a shortcut to other factory methods such as:\n\t *\n\t * * {@link module:engine/model/model~Model#createPositionBefore `createPositionBefore()`},\n\t * * {@link module:engine/model/model~Model#createPositionAfter `createPositionAfter()`}.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createPositionAt `Writer#createPositionAt()`},\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn ModelPosition._createAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new position after the given {@link module:engine/model/item~Item model item}.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createPositionAfter `Writer#createPositionAfter()`}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item after which the position should be placed.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn ModelPosition._createAfter( item );\n\t}\n\n\t/**\n\t * Creates a new position before the given {@link module:engine/model/item~Item model item}.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createPositionBefore `Writer#createPositionBefore()`}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item before which the position should be placed.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn ModelPosition._createBefore( item );\n\t}\n\n\t/**\n\t * Creates a range spanning from the `start` position to the `end` position.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createRange `Writer#createRange()`}:\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\tconst range = writer.createRange( start, end );\n\t *\t\t} );\n\t *\n\t * @param {module:engine/model/position~Position} start Start position.\n\t * @param {module:engine/model/position~Position} [end] End position. If not set, the range will be collapsed\n\t * to the `start` position.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn new ModelRange( start, end );\n\t}\n\n\t/**\n\t * Creates a range inside the given element which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createRangeIn `Writer#createRangeIn()`}:\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\tconst range = writer.createRangeIn( paragraph );\n\t *\t\t} );\n\t *\n\t * @param {module:engine/model/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn ModelRange._createIn( element );\n\t}\n\n\t/**\n\t * Creates a range that starts before the given {@link module:engine/model/item~Item model item} and ends after it.\n\t *\n\t * Note: This method is also available on `writer` instance as\n\t * {@link module:engine/model/writer~Writer#createRangeOn `Writer.createRangeOn()`}:\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\tconst range = writer.createRangeOn( paragraph );\n\t *\t\t} );\n\t *\n\t * @param {module:engine/model/item~Item} item\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRangeOn( item ) {\n\t\treturn ModelRange._createOn( item );\n\t}\n\n\t/**\n\t * Creates a new selection instance based on the given {@link module:engine/model/selection~Selectable selectable}\n\t * or creates an empty selection if no arguments were passed.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createSelection `Writer#createSelection()`}.\n\t *\n\t *\t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t *\t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the given document selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst documentSelection = model.document.selection;\n\t *\t\tconst selection = writer.createSelection( documentSelection );\n\t *\n\t *\t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates selection at the given offset in the given element.\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/model/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/model/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t *\t\t// Additional options (`'backward'`) can be specified as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @returns {module:engine/model/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn new ModelSelection( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/model/batch~Batch} instance.\n\t *\n\t * **Note:** In most cases creating a batch instance is not necessary as they are created when using:\n\t *\n\t * * {@link #change `change()`},\n\t * * {@link #enqueueChange `enqueueChange()`}.\n\t *\n\t * @param {'transparent'|'default'} [type='default'] The type of the batch.\n\t * @returns {module:engine/model/batch~Batch}\n\t */\n\tcreateBatch( type ) {\n\t\treturn new Batch( type );\n\t}\n\n\t/**\n\t * Creates an operation instance from a JSON object (parsed JSON string).\n\t *\n\t * This is an alias for {@link module:engine/model/operation/operationfactory~OperationFactory.fromJSON `OperationFactory.fromJSON()`}.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @returns {module:engine/model/operation/operation~Operation}\n\t */\n\tcreateOperationFromJSON( json ) {\n\t\treturn OperationFactory.fromJSON( json, this.document );\n\t}\n\n\t/**\n\t * Removes all events listeners set by model instance and destroys {@link module:engine/model/document~Document}.\n\t */\n\tdestroy() {\n\t\tthis.document.destroy();\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Common part of {@link module:engine/model/model~Model#change} and {@link module:engine/model/model~Model#enqueueChange}\n\t * which calls callbacks and returns array of values returned by these callbacks.\n\t *\n\t * @private\n\t * @returns {Array.<*>} Array of values returned by callbacks.\n\t */\n\t_runPendingChanges() {\n\t\tconst ret = [];\n\n\t\tthis.fire( '_beforeChanges' );\n\n\t\twhile ( this._pendingChanges.length ) {\n\t\t\t// Create a new writer using batch instance created for this chain of changes.\n\t\t\tconst currentBatch = this._pendingChanges[ 0 ].batch;\n\t\t\tthis._currentWriter = new Writer( this, currentBatch );\n\n\t\t\t// Execute changes callback and gather the returned value.\n\t\t\tconst callbackReturnValue = this._pendingChanges[ 0 ].callback( this._currentWriter );\n\t\t\tret.push( callbackReturnValue );\n\n\t\t\tthis.document._handleChangeBlock( this._currentWriter );\n\n\t\t\tthis._pendingChanges.shift();\n\t\t\tthis._currentWriter = null;\n\t\t}\n\n\t\tthis.fire( '_afterChanges' );\n\n\t\treturn ret;\n\t}\n\n\t/**\n\t * Fired when entering the outermost {@link module:engine/model/model~Model#enqueueChange} or\n\t * {@link module:engine/model/model~Model#change} block.\n\t *\n\t * @protected\n\t * @event _beforeChanges\n\t */\n\n\t/**\n\t * Fired when leaving the outermost {@link module:engine/model/model~Model#enqueueChange} or\n\t * {@link module:engine/model/model~Model#change} block.\n\t *\n\t * @protected\n\t * @event _afterChanges\n\t */\n\n\t/**\n\t * Fired every time any {@link module:engine/model/operation/operation~Operation operation} is applied on the model\n\t * using {@link #applyOperation}.\n\t *\n\t * Note that this event is suitable only for very specific use-cases. Use it if you need to listen to every single operation\n\t * applied on the document. However, in most cases {@link module:engine/model/document~Document#event:change} should\n\t * be used.\n\t *\n\t * A few callbacks are already added to this event by engine internal classes:\n\t *\n\t * * with `highest` priority operation is validated,\n\t * * with `normal` priority operation is executed,\n\t * * with `low` priority the {@link module:engine/model/document~Document} updates its version,\n\t * * with `low` priority {@link module:engine/model/liveposition~LivePosition} and {@link module:engine/model/liverange~LiveRange}\n\t * update themselves.\n\t *\n\t * @event applyOperation\n\t * @param {Array} args Arguments of the `applyOperation` which is an array with a single element - applied\n\t * {@link module:engine/model/operation/operation~Operation operation}.\n\t */\n\n\t/**\n\t * Event fired when {@link #insertContent} method is called.\n\t *\n\t * The {@link #insertContent default action of that method} is implemented as a\n\t * listener to this event so it can be fully customized by the features.\n\t *\n\t * **Note** The `selectable` parameter for the {@link #insertContent} is optional. When `undefined` value is passed the method uses\n\t * `model.document.selection`.\n\t *\n\t * @event insertContent\n\t * @param {Array} args The arguments passed to the original method.\n\t */\n\n\t/**\n\t * Event fired when {@link #deleteContent} method is called.\n\t *\n\t * The {@link #deleteContent default action of that method} is implemented as a\n\t * listener to this event so it can be fully customized by the features.\n\t *\n\t * @event deleteContent\n\t * @param {Array} args The arguments passed to the original method.\n\t */\n\n\t/**\n\t * Event fired when {@link #modifySelection} method is called.\n\t *\n\t * The {@link #modifySelection default action of that method} is implemented as a\n\t * listener to this event so it can be fully customized by the features.\n\t *\n\t * @event modifySelection\n\t * @param {Array} args The arguments passed to the original method.\n\t */\n\n\t/**\n\t * Event fired when {@link #getSelectedContent} method is called.\n\t *\n\t * The {@link #getSelectedContent default action of that method} is implemented as a\n\t * listener to this event so it can be fully customized by the features.\n\t *\n\t * @event getSelectedContent\n\t * @param {Array} args The arguments passed to the original method.\n\t */\n}\n\nmix( Model, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/keystrokehandler\n */\n\nimport DomEmitterMixin from './dom/emittermixin';\nimport { getCode, parseKeystroke } from './keyboard';\n\n/**\n * Keystroke handler allows registering callbacks for given keystrokes.\n *\n * The most frequent use of this class is through the {@link module:core/editor/editor~Editor#keystrokes `editor.keystrokes`}\n * property. It allows listening to keystrokes executed in the editing view:\n *\n *\t\teditor.keystrokes.set( 'Ctrl+A', ( keyEvtData, cancel ) => {\n *\t\t\tconsole.log( 'Ctrl+A has been pressed' );\n *\t\t\tcancel();\n *\t\t} );\n *\n * However, this utility class can be used in various part of the UI. For instance, a certain {@link module:ui/view~View}\n * can use it like this:\n *\n *\t\tclass MyView extends View {\n *\t\t\tconstructor() {\n *\t\t\t\tthis.keystrokes = new KeystrokeHandler();\n *\n * \t\t\t\tthis.keystrokes.set( 'tab', handleTabKey );\n *\t\t\t}\n *\n *\t\t\trender() {\n *\t\t\t\tsuper.render();\n *\n *\t\t\t\tthis.keystrokes.listenTo( this.element );\n *\t\t\t}\n *\t\t}\n *\n * That keystroke handler will listen to `keydown` events fired in this view's main element.\n *\n */\nexport default class KeystrokeHandler {\n\t/**\n\t * Creates an instance of the keystroke handler.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Listener used to listen to events for easier keystroke handler destruction.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:utils/dom/emittermixin~Emitter}\n\t\t */\n\t\tthis._listener = Object.create( DomEmitterMixin );\n\t}\n\n\t/**\n\t * Starts listening for `keydown` events from a given emitter.\n\t *\n\t * @param {module:utils/emittermixin~Emitter} emitter\n\t */\n\tlistenTo( emitter ) {\n\t\t// The #_listener works here as a kind of dispatcher. It groups the events coming from the same\n\t\t// keystroke so the listeners can be attached to them with different priorities.\n\t\t//\n\t\t// E.g. all the keystrokes with the `keyCode` of 42 coming from the `emitter` are propagated\n\t\t// as a `_keydown:42` event by the `_listener`. If there's a callback created by the `set`\n\t\t// method for this 42 keystroke, it listens to the `_listener#_keydown:42` event only and interacts\n\t\t// only with other listeners of this particular event, thus making it possible to prioritize\n\t\t// the listeners and safely cancel execution, when needed. Instead of duplicating the Emitter logic,\n\t\t// the KeystrokeHandler re–uses it to do its job.\n\t\tthis._listener.listenTo( emitter, 'keydown', ( evt, keyEvtData ) => {\n\t\t\tthis._listener.fire( '_keydown:' + getCode( keyEvtData ), keyEvtData );\n\t\t} );\n\t}\n\n\t/**\n\t * Registers a handler for the specified keystroke.\n\t *\n\t * @param {String|Array.<String|Number>} keystroke Keystroke defined in a format accepted by\n\t * the {@link module:utils/keyboard~parseKeystroke} function.\n\t * @param {Function} callback A function called with the\n\t * {@link module:engine/view/observer/keyobserver~KeyEventData key event data} object and\n\t * a helper funcion to call both `preventDefault()` and `stopPropagation()` on the underlying event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of the keystroke\n\t * callback. The higher the priority value the sooner the callback will be executed. Keystrokes having the same priority\n\t * are called in the order they were added.\n\t */\n\tset( keystroke, callback, options = {} ) {\n\t\tconst keyCode = parseKeystroke( keystroke );\n\t\tconst priority = options.priority;\n\n\t\t// Execute the passed callback on KeystrokeHandler#_keydown.\n\t\t// TODO: https://github.com/ckeditor/ckeditor5-utils/issues/144\n\t\tthis._listener.listenTo( this._listener, '_keydown:' + keyCode, ( evt, keyEvtData ) => {\n\t\t\tcallback( keyEvtData, () => {\n\t\t\t\t// Stop the event in the DOM: no listener in the web page\n\t\t\t\t// will be triggered by this event.\n\t\t\t\tkeyEvtData.preventDefault();\n\t\t\t\tkeyEvtData.stopPropagation();\n\n\t\t\t\t// Stop the event in the KeystrokeHandler: no more callbacks\n\t\t\t\t// will be executed for this keystroke.\n\t\t\t\tevt.stop();\n\t\t\t} );\n\n\t\t\t// Mark this keystroke as handled by the callback. See: #press.\n\t\t\tevt.return = true;\n\t\t}, { priority } );\n\t}\n\n\t/**\n\t * Triggers a keystroke handler for a specified key combination, if such a keystroke was {@link #set defined}.\n\t *\n\t * @param {module:engine/view/observer/keyobserver~KeyEventData} keyEvtData Key event data.\n\t * @returns {Boolean} Whether the keystroke was handled.\n\t */\n\tpress( keyEvtData ) {\n\t\treturn !!this._listener.fire( '_keydown:' + getCode( keyEvtData ), keyEvtData );\n\t}\n\n\t/**\n\t * Destroys the keystroke handler.\n\t */\n\tdestroy() {\n\t\tthis._listener.stopListening();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/editingkeystrokehandler\n */\n\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\n\n/**\n * A keystroke handler for editor editing. Its instance is available\n * in {@link module:core/editor/editor~Editor#keystrokes} so plugins\n * can register their keystrokes.\n *\n * E.g. an undo plugin would do this:\n *\n *\t\teditor.keystrokes.set( 'Ctrl+Z', 'undo' );\n *\t\teditor.keystrokes.set( 'Ctrl+Shift+Z', 'redo' );\n *\t\teditor.keystrokes.set( 'Ctrl+Y', 'redo' );\n *\n * @extends module:utils/keystrokehandler~KeystrokeHandler\n */\nexport default class EditingKeystrokeHandler extends KeystrokeHandler {\n\t/**\n\t * Creates an instance of the keystroke handler.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t */\n\tconstructor( editor ) {\n\t\tsuper();\n\n\t\t/**\n\t\t * The editor instance.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor}\n\t\t */\n\t\tthis.editor = editor;\n\t}\n\n\t/**\n\t * Registers a handler for the specified keystroke.\n\t *\n\t * The handler can be specified as a command name or a callback.\n\t *\n\t * @param {String|Array.<String|Number>} keystroke Keystroke defined in a format accepted by\n\t * the {@link module:utils/keyboard~parseKeystroke} function.\n\t * @param {Function|String} callback If a string is passed, then the keystroke will\n\t * {@link module:core/editor/editor~Editor#execute execute a command}.\n\t * If a function, then it will be called with the\n\t * {@link module:engine/view/observer/keyobserver~KeyEventData key event data} object and\n\t * a `cancel()` helper to both `preventDefault()` and `stopPropagation()` of the event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of the keystroke\n\t * callback. The higher the priority value the sooner the callback will be executed. Keystrokes having the same priority\n\t * are called in the order they were added.\n\t */\n\tset( keystroke, callback, options = {} ) {\n\t\tif ( typeof callback == 'string' ) {\n\t\t\tconst commandName = callback;\n\n\t\t\tcallback = ( evtData, cancel ) => {\n\t\t\t\tthis.editor.execute( commandName );\n\t\t\t\tcancel();\n\t\t\t};\n\t\t}\n\n\t\tsuper.set( keystroke, callback, options );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/editor/editor\n */\n\nimport Context from '../context';\nimport Config from '@ckeditor/ckeditor5-utils/src/config';\nimport EditingController from '@ckeditor/ckeditor5-engine/src/controller/editingcontroller';\nimport PluginCollection from '../plugincollection';\nimport CommandCollection from '../commandcollection';\nimport DataController from '@ckeditor/ckeditor5-engine/src/controller/datacontroller';\nimport Conversion from '@ckeditor/ckeditor5-engine/src/conversion/conversion';\nimport Model from '@ckeditor/ckeditor5-engine/src/model/model';\nimport EditingKeystrokeHandler from '../editingkeystrokehandler';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport { StylesProcessor } from '@ckeditor/ckeditor5-engine/src/view/stylesmap';\n\n/**\n * The class representing a basic, generic editor.\n *\n * Check out the list of its subclasses to learn about specific editor implementations.\n *\n * All editor implementations (like {@link module:editor-classic/classiceditor~ClassicEditor} or\n * {@link module:editor-inline/inlineeditor~InlineEditor}) should extend this class. They can add their\n * own methods and properties.\n *\n * When you are implementing a plugin, this editor represents the API\n * which your plugin can expect to get when using its {@link module:core/plugin~Plugin#editor} property.\n *\n * This API should be sufficient in order to implement the \"editing\" part of your feature\n * (schema definition, conversion, commands, keystrokes, etc.).\n * It does not define the editor UI, which is available only if\n * the specific editor implements also the {@link module:core/editor/editorwithui~EditorWithUI} interface\n * (as most editor implementations do).\n *\n * @abstract\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Editor {\n\t/**\n\t * Creates a new instance of the editor class.\n\t *\n\t * Usually, not to be used directly. See the static {@link module:core/editor/editor~Editor.create `create()`} method.\n\t *\n\t * @param {Object} [config={}] The editor configuration.\n\t */\n\tconstructor( config = {} ) {\n\t\t/**\n\t\t * The editor context.\n\t\t * When it is not provided through the configuration, the editor creates it.\n\t\t *\n\t\t * @protected\n\t\t * @type {module:core/context~Context}\n\t\t */\n\t\tthis._context = config.context || new Context( { language: config.language } );\n\t\tthis._context._addEditor( this, !config.context );\n\n\t\t// Clone the plugins to make sure that the plugin array will not be shared\n\t\t// between editors and make the watchdog feature work correctly.\n\t\tconst availablePlugins = Array.from( this.constructor.builtinPlugins || [] );\n\n\t\t/**\n\t\t * Stores all configurations specific to this editor instance.\n\t\t *\n\t\t *\t\teditor.config.get( 'image.toolbar' );\n\t\t *\t\t// -> [ 'imageStyle:full', 'imageStyle:side', '|', 'imageTextAlternative' ]\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/config~Config}\n\t\t */\n\t\tthis.config = new Config( config, this.constructor.defaultConfig );\n\t\tthis.config.define( 'plugins', availablePlugins );\n\t\tthis.config.define( this._context._getEditorConfig() );\n\n\t\t/**\n\t\t * The plugins loaded and in use by this editor instance.\n\t\t *\n\t\t *\t\teditor.plugins.get( 'Clipboard' ); // -> An instance of the clipboard plugin.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/plugincollection~PluginCollection}\n\t\t */\n\t\tthis.plugins = new PluginCollection( this, availablePlugins, this._context.plugins );\n\n\t\t/**\n\t\t * The locale instance.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/locale~Locale}\n\t\t */\n\t\tthis.locale = this._context.locale;\n\n\t\t/**\n\t\t * Shorthand for {@link module:utils/locale~Locale#t}.\n\t\t *\n\t\t * @see module:utils/locale~Locale#t\n\t\t * @method #t\n\t\t */\n\t\tthis.t = this.locale.t;\n\n\t\t/**\n\t\t * Commands registered to the editor.\n\t\t *\n\t\t * Use the shorthand {@link #execute `editor.execute()`} method to execute commands:\n\t\t *\n\t\t *\t\t// Execute the bold command:\n\t\t *\t\teditor.execute( 'bold' );\n\t\t *\n\t\t *\t\t// Check the state of the bold command:\n\t\t *\t\teditor.commands.get( 'bold' ).value;\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/commandcollection~CommandCollection}\n\t\t */\n\t\tthis.commands = new CommandCollection();\n\n\t\t/**\n\t\t * Indicates the editor life-cycle state.\n\t\t *\n\t\t * The editor is in one of the following states:\n\t\t *\n\t\t * * `initializing` &ndash; During the editor initialization (before\n\t\t * {@link module:core/editor/editor~Editor.create `Editor.create()`}) finished its job.\n\t\t * * `ready` &ndash; After the promise returned by the {@link module:core/editor/editor~Editor.create `Editor.create()`}\n\t\t * method is resolved.\n\t\t * * `destroyed` &ndash; Once the {@link #destroy `editor.destroy()`} method was called.\n\t\t *\n\t\t * @observable\n\t\t * @member {'initializing'|'ready'|'destroyed'} #state\n\t\t */\n\t\tthis.set( 'state', 'initializing' );\n\t\tthis.once( 'ready', () => ( this.state = 'ready' ), { priority: 'high' } );\n\t\tthis.once( 'destroy', () => ( this.state = 'destroyed' ), { priority: 'high' } );\n\n\t\t/**\n\t\t * Defines whether this editor is in read-only mode.\n\t\t *\n\t\t * In read-only mode the editor {@link #commands commands} are disabled so it is not possible\n\t\t * to modify the document by using them. Also, the editable element(s) become non-editable.\n\t\t *\n\t\t * In order to make the editor read-only, you can set this value directly:\n\t\t *\n\t\t *\t\teditor.isReadOnly = true;\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isReadOnly\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * The editor's model.\n\t\t *\n\t\t * The central point of the editor's abstract data model.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = new Model();\n\n\t\tconst stylesProcessor = new StylesProcessor();\n\n\t\t/**\n\t\t * The {@link module:engine/controller/datacontroller~DataController data controller}.\n\t\t * Used e.g. for setting and retrieving the editor data.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/controller/datacontroller~DataController}\n\t\t */\n\t\tthis.data = new DataController( this.model, stylesProcessor );\n\n\t\t/**\n\t\t * The {@link module:engine/controller/editingcontroller~EditingController editing controller}.\n\t\t * Controls user input and rendering the content for editing.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/controller/editingcontroller~EditingController}\n\t\t */\n\t\tthis.editing = new EditingController( this.model, stylesProcessor );\n\t\tthis.editing.view.document.bind( 'isReadOnly' ).to( this );\n\n\t\t/**\n\t\t * Conversion manager through which you can register model-to-view and view-to-model converters.\n\t\t *\n\t\t * See the {@link module:engine/conversion/conversion~Conversion} documentation to learn how to add converters.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/conversion~Conversion}\n\t\t */\n\t\tthis.conversion = new Conversion( [ this.editing.downcastDispatcher, this.data.downcastDispatcher ], this.data.upcastDispatcher );\n\t\tthis.conversion.addAlias( 'dataDowncast', this.data.downcastDispatcher );\n\t\tthis.conversion.addAlias( 'editingDowncast', this.editing.downcastDispatcher );\n\n\t\t/**\n\t\t * An instance of the {@link module:core/editingkeystrokehandler~EditingKeystrokeHandler}.\n\t\t *\n\t\t * It allows setting simple keystrokes:\n\t\t *\n\t\t *\t\t// Execute the bold command on Ctrl+E:\n\t\t *\t\teditor.keystrokes.set( 'Ctrl+E', 'bold' );\n\t\t *\n\t\t *\t\t// Execute your own callback:\n\t\t *\t\teditor.keystrokes.set( 'Ctrl+E', ( data, cancel ) => {\n\t\t *\t\t\tconsole.log( data.keyCode );\n\t\t *\n\t\t *\t\t\t// Prevent the default (native) action and stop the underlying keydown event\n\t\t *\t\t\t// so no other editor feature will interfere.\n\t\t *\t\t\tcancel();\n\t\t *\t\t} );\n\t\t *\n\t\t * Note: Certain typing-oriented keystrokes (like <kbd>Backspace</kbd> or <kbd>Enter</kbd>) are handled\n\t\t * by a low-level mechanism and trying to listen to them via the keystroke handler will not work reliably.\n\t\t * To handle these specific keystrokes, see the events fired by the\n\t\t * {@link module:engine/view/document~Document editing view document} (`editor.editing.view.document`).\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editingkeystrokehandler~EditingKeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new EditingKeystrokeHandler( this );\n\t\tthis.keystrokes.listenTo( this.editing.view.document );\n\t}\n\n\t/**\n\t * Loads and initializes plugins specified in the configuration.\n\t *\n\t * @returns {Promise.<module:core/plugin~LoadedPlugins>} A promise which resolves\n\t * once the initialization is completed, providing an array of loaded plugins.\n\t */\n\tinitPlugins() {\n\t\tconst config = this.config;\n\t\tconst plugins = config.get( 'plugins' );\n\t\tconst removePlugins = config.get( 'removePlugins' ) || [];\n\t\tconst extraPlugins = config.get( 'extraPlugins' ) || [];\n\n\t\treturn this.plugins.init( plugins.concat( extraPlugins ), removePlugins );\n\t}\n\n\t/**\n\t * Destroys the editor instance, releasing all resources used by it.\n\t *\n\t * **Note** The editor cannot be destroyed during the initialization phase so if it is called\n\t * while the editor {@link #state is being initialized}, it will wait for the editor initialization before destroying it.\n\t *\n\t * @fires destroy\n\t * @returns {Promise} A promise that resolves once the editor instance is fully destroyed.\n\t */\n\tdestroy() {\n\t\tlet readyPromise = Promise.resolve();\n\n\t\tif ( this.state == 'initializing' ) {\n\t\t\treadyPromise = new Promise( resolve => this.once( 'ready', resolve ) );\n\t\t}\n\n\t\treturn readyPromise\n\t\t\t.then( () => {\n\t\t\t\tthis.fire( 'destroy' );\n\t\t\t\tthis.stopListening();\n\t\t\t\tthis.commands.destroy();\n\t\t\t} )\n\t\t\t.then( () => this.plugins.destroy() )\n\t\t\t.then( () => {\n\t\t\t\tthis.model.destroy();\n\t\t\t\tthis.data.destroy();\n\t\t\t\tthis.editing.destroy();\n\t\t\t\tthis.keystrokes.destroy();\n\t\t\t} )\n\t\t\t// Remove the editor from the context.\n\t\t\t// When the context was created by this editor, the context will be destroyed.\n\t\t\t.then( () => this._context._removeEditor( this ) );\n\t}\n\n\t/**\n\t * Executes the specified command with given parameters.\n\t *\n\t * Shorthand for:\n\t *\n\t *\t\teditor.commands.get( commandName ).execute( ... );\n\t *\n\t * @param {String} commandName The name of the command to execute.\n\t * @param {*} [...commandParams] Command parameters.\n\t * @returns {*} The value returned by the {@link module:core/commandcollection~CommandCollection#execute `commands.execute()`}.\n\t */\n\texecute( ...args ) {\n\t\ttry {\n\t\t\treturn this.commands.execute( ...args );\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the editor.\n\t *\n\t * **Note** To explicitly focus the editing area of the editor, use the\n\t * {@link module:engine/view/view~View#focus `editor.editing.view.focus()`} method of the editing view.\n\t *\n\t * Check out the {@glink framework/guides/deep-dive/ui/focus-tracking#focus-in-the-editor-ui Focus in the editor UI} section\n\t * of the {@glink framework/guides/deep-dive/ui/focus-tracking Deep dive into focus tracking} guide to learn more.\n\t */\n\tfocus() {\n\t\tthis.editing.view.focus();\n\t}\n\n\t/**\n\t * Creates and initializes a new editor instance.\n\t *\n\t * This is an abstract method. Every editor type needs to implement its own initialization logic.\n\t *\n\t * See the `create()` methods of the existing editor types to learn how to use them:\n\t *\n\t * * {@link module:editor-classic/classiceditor~ClassicEditor.create `ClassicEditor.create()`}\n\t * * {@link module:editor-balloon/ballooneditor~BalloonEditor.create `BalloonEditor.create()`}\n\t * * {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`}\n\t * * {@link module:editor-inline/inlineeditor~InlineEditor.create `InlineEditor.create()`}\n\t *\n\t * @abstract\n\t * @method module:core/editor/editor~Editor.create\n\t */\n}\n\nmix( Editor, ObservableMixin );\n\n/**\n * Fired when the {@link module:engine/controller/datacontroller~DataController#event:ready data} and all additional\n * editor components are ready.\n *\n * Note: This event is most useful for plugin developers. When integrating the editor with your website or\n * application, you do not have to listen to `editor#ready` because when the promise returned by the static\n * {@link module:core/editor/editor~Editor.create `Editor.create()`} event is resolved, the editor is already ready.\n * In fact, since the first moment when the editor instance is available to you is inside `then()`'s callback,\n * you cannot even add a listener to the `editor#ready` event.\n *\n * See also the {@link #state `editor.state`} property.\n *\n * @event ready\n */\n\n/**\n * Fired when this editor instance is destroyed. The editor at this point is not usable and this event should be used to\n * perform the clean-up in any plugin.\n *\n *\n * See also the {@link #state `editor.state`} property.\n *\n * @event destroy\n */\n\n/**\n * This error is thrown when trying to pass a `<textarea>` element to a `create()` function of an editor class.\n *\n * The only editor type which can be initialized on `<textarea>` elements is {@glink builds/guides/overview#classic-editor classic editor}.\n * This editor hides the passed element and inserts its own UI next to it. Other types of editors reuse the passed element as their root\n * editable element and therefore `<textarea>` is not appropriate for them. Use a `<div>` or another text container instead:\n *\n *\t\t<div id=\"editor\">\n *\t\t\t<p>Initial content.</p>\n *\t\t</div>\n *\n * @error editor-wrong-element\n */\n\n/**\n * An array of plugins built into this editor class.\n *\n * It is used in CKEditor 5 builds to provide a list of plugins which are later automatically initialized\n * during the editor initialization.\n *\n * They will be automatically initialized by the editor, unless listed in `config.removePlugins` and\n * unless `config.plugins` is passed.\n *\n *\t\t// Build some plugins into the editor class first.\n *\t\tClassicEditor.builtinPlugins = [ FooPlugin, BarPlugin ];\n *\n *\t\t// Normally, you need to define config.plugins, but since ClassicEditor.builtinPlugins was\n *\t\t// defined, now you can call create() without any configuration.\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.plugins.get( FooPlugin ); // -> An instance of the Foo plugin.\n *\t\t\t\teditor.plugins.get( BarPlugin ); // -> An instance of the Bar plugin.\n *\t\t\t} );\n *\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement, {\n *\t\t\t\t// Do not initialize these plugins (note: it is defined by a string):\n *\t\t\t\tremovePlugins: [ 'Foo' ]\n *\t\t\t} )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.plugins.get( FooPlugin ); // -> Undefined.\n *\t\t\t\teditor.config.get( BarPlugin ); // -> An instance of the Bar plugin.\n *\t\t\t} );\n *\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement, {\n *\t\t\t\t// Load only this plugin. It can also be defined by a string if\n *\t\t\t\t// this plugin was built into the editor class.\n *\t\t\t\tplugins: [ FooPlugin ]\n *\t\t\t} )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.plugins.get( FooPlugin ); // -> An instance of the Foo plugin.\n *\t\t\t\teditor.config.get( BarPlugin ); // -> Undefined.\n *\t\t\t} );\n *\n * See also {@link module:core/editor/editor~Editor.defaultConfig}.\n *\n * @static\n * @member {Array.<Function>} module:core/editor/editor~Editor.builtinPlugins\n */\n\n/**\n * The default configuration which is built into the editor class.\n *\n * It is used in CKEditor 5 builds to provide the default configuration options which are later used during the editor initialization.\n *\n *\t\tClassicEditor.defaultConfig = {\n *\t\t\tfoo: 1,\n *\t\t\tbar: 2\n *\t\t};\n *\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.config.get( 'foo' ); // -> 1\n *\t\t\t\teditor.config.get( 'bar' ); // -> 2\n *\t\t\t} );\n *\n *\t\t// The default options can be overridden by the configuration passed to create().\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement, { bar: 3 } )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.config.get( 'foo' ); // -> 1\n *\t\t\t\teditor.config.get( 'bar' ); // -> 3\n *\t\t\t} );\n *\n * See also {@link module:core/editor/editor~Editor.builtinPlugins}.\n *\n * @static\n * @member {Object} module:core/editor/editor~Editor.defaultConfig\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/editor/utils/dataapimixin\n */\n\n/**\n * Implementation of the {@link module:core/editor/utils/dataapimixin~DataApi}.\n *\n * @mixin DataApiMixin\n * @implements module:core/editor/utils/dataapimixin~DataApi\n */\nconst DataApiMixin = {\n\t/**\n\t * @inheritDoc\n\t */\n\tsetData( data ) {\n\t\tthis.data.set( data );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tgetData( options ) {\n\t\treturn this.data.get( options );\n\t}\n};\n\nexport default DataApiMixin;\n\n/**\n * Interface defining editor methods for setting and getting data to and from the editor's main root element\n * using the {@link module:core/editor/editor~Editor#data data pipeline}.\n *\n * This interface is not a part of the {@link module:core/editor/editor~Editor} class because one may want to implement\n * an editor with multiple root elements, in which case the methods for setting and getting data will need to be implemented\n * differently.\n *\n * @interface DataApi\n */\n\n/**\n * Sets the data in the editor.\n *\n *\t\teditor.setData( '<p>This is editor!</p>' );\n *\n * By default the editor accepts HTML. This can be controlled by injecting a different data processor.\n * See the {@glink features/markdown Markdown output} guide for more details.\n *\n * Note: Not only is the format of the data configurable, but the type of the `setData()`'s parameter does not\n * have to be a string either. You can e.g. accept an object or a DOM `DocumentFragment` if you consider this\n * the right format for you.\n *\n * @method #setData\n * @param {String} data Input data.\n */\n\n/**\n * Gets the data from the editor.\n *\n *\t\teditor.getData(); // -> '<p>This is editor!</p>'\n *\n * By default the editor outputs HTML. This can be controlled by injecting a different data processor.\n * See the {@glink features/markdown Markdown output} guide for more details.\n *\n * Note: Not only is the format of the data configurable, but the type of the `getData()`'s return value does not\n * have to be a string either. You can e.g. return an object or a DOM `DocumentFragment` if you consider this\n * the right format for you.\n *\n * @method #getData\n * @param {Object} [options] Additional configuration for the retrieved data.\n * Editor features may introduce more configuration options that can be set through this parameter.\n * @param {String} [options.rootName='main'] Root name.\n * @param {String} [options.trim='empty'] Whether returned data should be trimmed. This option is set to `'empty'` by default,\n * which means that whenever editor content is considered empty, an empty string is returned. To turn off trimming\n * use `'none'`. In such cases exact content will be returned (for example `'<p>&nbsp;</p>'` for an empty editor).\n * @returns {String} Output data.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/componentfactory\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * A helper class implementing the UI component ({@link module:ui/view~View view}) factory.\n *\n * It allows functions producing specific UI components to be registered under their unique names\n * in the factory. A registered component can be then instantiated by providing its name.\n * Note that names are case insensitive.\n *\n *\t\t// The editor provides localization tools for the factory.\n *\t\tconst factory = new ComponentFactory( editor );\n *\n *\t\tfactory.add( 'foo', locale => new FooView( locale ) );\n *\t\tfactory.add( 'bar', locale => new BarView( locale ) );\n *\n *\t\t// An instance of FooView.\n *\t\tconst fooInstance = factory.create( 'foo' );\n *\n *\t\t// Names are case insensitive so this is also allowed:\n *\t\tconst barInstance = factory.create( 'Bar' );\n *\n * The {@link module:core/editor/editor~Editor#locale editor locale} is passed to the factory\n * function when {@link module:ui/componentfactory~ComponentFactory#create} is called.\n */\nexport default class ComponentFactory {\n\t/**\n\t * Creates an instance of the factory.\n\t *\n\t * @constructor\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * The editor instance that the factory belongs to.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor}\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * Registered component factories.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._components = new Map();\n\t}\n\n\t/**\n\t * Returns an iterator of registered component names. Names are returned in lower case.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\t* names() {\n\t\tfor ( const value of this._components.values() ) {\n\t\t\tyield value.originalName;\n\t\t}\n\t}\n\n\t/**\n\t * Registers a component factory function that will be used by the\n\t * {@link #create create} method and called with the\n\t * {@link module:core/editor/editor~Editor#locale editor locale} as an argument,\n\t * allowing localization of the {@link module:ui/view~View view}.\n\t *\n\t * @param {String} name The name of the component.\n\t * @param {Function} callback The callback that returns the component.\n\t */\n\tadd( name, callback ) {\n\t\tthis._components.set( getNormalized( name ), { callback, originalName: name } );\n\t}\n\n\t/**\n\t * Creates an instance of a component registered in the factory under a specific name.\n\t *\n\t * When called, the {@link module:core/editor/editor~Editor#locale editor locale} is passed to\n\t * the previously {@link #add added} factory function, allowing localization of the\n\t * {@link module:ui/view~View view}.\n\t *\n\t * @param {String} name The name of the component.\n\t * @returns {module:ui/view~View} The instantiated component view.\n\t */\n\tcreate( name ) {\n\t\tif ( !this.has( name ) ) {\n\t\t\t/**\n\t\t\t * The required component is not registered in the component factory. Please make sure\n\t\t\t * the provided name is correct and the component has been correctly\n\t\t\t * {@link #add added} to the factory.\n\t\t\t *\n\t\t\t * @error componentfactory-item-missing\n\t\t\t * @param {String} name The name of the missing component.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'componentfactory-item-missing',\n\t\t\t\tthis,\n\t\t\t\t{ name }\n\t\t\t);\n\t\t}\n\n\t\treturn this._components.get( getNormalized( name ) ).callback( this.editor.locale );\n\t}\n\n\t/**\n\t * Checks if a component of a given name is registered in the factory.\n\t *\n\t * @param {String} name The name of the component.\n\t * @returns {Boolean}\n\t */\n\thas( name ) {\n\t\treturn this._components.has( getNormalized( name ) );\n\t}\n}\n\n//\n// Ensures that the component name used as the key in the internal map is in lower case.\n//\n// @private\n// @param {String} name\n// @returns {String}\nfunction getNormalized( name ) {\n\treturn String( name ).toLowerCase();\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* global setTimeout, clearTimeout */\n\n/**\n * @module utils/focustracker\n */\n\nimport DomEmitterMixin from './dom/emittermixin';\nimport ObservableMixin from './observablemixin';\nimport CKEditorError from './ckeditorerror';\nimport mix from './mix';\n\n/**\n * Allows observing a group of `HTMLElement`s whether at least one of them is focused.\n *\n * Used by the {@link module:core/editor/editor~Editor} in order to track whether the focus is still within the application,\n * or were used outside of its UI.\n *\n * **Note** `focus` and `blur` listeners use event capturing, so it is only needed to register wrapper `HTMLElement`\n * which contain other `focusable` elements. But note that this wrapper element has to be focusable too\n * (have e.g. `tabindex=\"-1\"`).\n *\n * Check out the {@glink framework/guides/deep-dive/ui/focus-tracking \"Deep dive into focus tracking\" guide} to learn more.\n *\n * @mixes module:utils/dom/emittermixin~EmitterMixin\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class FocusTracker {\n\tconstructor() {\n\t\t/**\n\t\t * True when one of the registered elements is focused.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * The currently focused element.\n\t\t *\n\t\t * While {@link #isFocused `isFocused`} remains `true`, the focus can\n\t\t * move between different UI elements. This property tracks those\n\t\t * elements and tells which one is currently focused.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {HTMLElement|null} #focusedElement\n\t\t */\n\t\tthis.set( 'focusedElement', null );\n\n\t\t/**\n\t\t * List of registered elements.\n\t\t *\n\t\t * @private\n\t\t * @member {Set.<HTMLElement>}\n\t\t */\n\t\tthis._elements = new Set();\n\n\t\t/**\n\t\t * Event loop timeout.\n\t\t *\n\t\t * @private\n\t\t * @member {Number}\n\t\t */\n\t\tthis._nextEventLoopTimeout = null;\n\t}\n\n\t/**\n\t * Starts tracking the specified element.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tadd( element ) {\n\t\tif ( this._elements.has( element ) ) {\n\t\t\t/**\n\t\t\t * This element is already tracked by {@link module:utils/focustracker~FocusTracker}.\n\t\t\t *\n\t\t\t * @error focustracker-add-element-already-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'focustracker-add-element-already-exist', this );\n\t\t}\n\n\t\tthis.listenTo( element, 'focus', () => this._focus( element ), { useCapture: true } );\n\t\tthis.listenTo( element, 'blur', () => this._blur(), { useCapture: true } );\n\t\tthis._elements.add( element );\n\t}\n\n\t/**\n\t * Stops tracking the specified element and stops listening on this element.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tremove( element ) {\n\t\tif ( element === this.focusedElement ) {\n\t\t\tthis._blur( element );\n\t\t}\n\n\t\tif ( this._elements.has( element ) ) {\n\t\t\tthis.stopListening( element );\n\t\t\tthis._elements.delete( element );\n\t\t}\n\t}\n\n\t/**\n\t * Destroys the focus tracker by:\n\t * - Disabling all event listeners attached to tracked elements.\n\t * - Removing all tracked elements that were previously added.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Stores currently focused element and set {#isFocused} as `true`.\n\t *\n\t * @private\n\t * @param {HTMLElement} element Element which has been focused.\n\t */\n\t_focus( element ) {\n\t\tclearTimeout( this._nextEventLoopTimeout );\n\n\t\tthis.focusedElement = element;\n\t\tthis.isFocused = true;\n\t}\n\n\t/**\n\t * Clears currently focused element and set {@link #isFocused} as `false`.\n\t * This method uses `setTimeout` to change order of fires `blur` and `focus` events.\n\t *\n\t * @private\n\t * @fires blur\n\t */\n\t_blur() {\n\t\tclearTimeout( this._nextEventLoopTimeout );\n\n\t\tthis._nextEventLoopTimeout = setTimeout( () => {\n\t\t\tthis.focusedElement = null;\n\t\t\tthis.isFocused = false;\n\t\t}, 0 );\n\t}\n\n\t/**\n\t * @event focus\n\t */\n\n\t/**\n\t * @event blur\n\t */\n}\n\nmix( FocusTracker, DomEmitterMixin );\nmix( FocusTracker, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/editor/editorui\n */\n\n/* globals console */\n\nimport ComponentFactory from '@ckeditor/ckeditor5-ui/src/componentfactory';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * A class providing the minimal interface that is required to successfully bootstrap any editor UI.\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class EditorUI {\n\t/**\n\t * Creates an instance of the editor UI class.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * The editor that the UI belongs to.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor} #editor\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * An instance of the {@link module:ui/componentfactory~ComponentFactory}, a registry used by plugins\n\t\t * to register factories of specific UI components.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/componentfactory~ComponentFactory} #componentFactory\n\t\t */\n\t\tthis.componentFactory = new ComponentFactory( editor );\n\n\t\t/**\n\t\t * Stores the information about the editor UI focus and propagates it so various plugins and components\n\t\t * are unified as a focus group.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker} #focusTracker\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * Stores all editable elements used by the editor instance.\n\t\t *\n\t\t * @private\n\t\t * @member {Map.<String,HTMLElement>}\n\t\t */\n\t\tthis._editableElementsMap = new Map();\n\n\t\t// Informs UI components that should be refreshed after layout change.\n\t\tthis.listenTo( editor.editing.view.document, 'layoutChanged', () => this.update() );\n\t}\n\n\t/**\n\t * The main (outermost) DOM element of the editor UI.\n\t *\n\t * For example, in {@link module:editor-classic/classiceditor~ClassicEditor} it is a `<div>` which\n\t * wraps the editable element and the toolbar. In {@link module:editor-inline/inlineeditor~InlineEditor}\n\t * it is the editable element itself (as there is no other wrapper). However, in\n\t * {@link module:editor-decoupled/decouplededitor~DecoupledEditor} it is set to `null` because this editor does not\n\t * come with a single \"main\" HTML element (its editable element and toolbar are separate).\n\t *\n\t * This property can be understood as a shorthand for retrieving the element that a specific editor integration\n\t * considers to be its main DOM element.\n\t *\n\t * @readonly\n\t * @member {HTMLElement|null} #element\n\t */\n\tget element() {\n\t\treturn null;\n\t}\n\n\t/**\n\t * Fires the {@link module:core/editor/editorui~EditorUI#event:update `update`} event.\n\t *\n\t * This method should be called when the editor UI (e.g. positions of its balloons) needs to be updated due to\n\t * some environmental change which CKEditor 5 is not aware of (e.g. resize of a container in which it is used).\n\t */\n\tupdate() {\n\t\tthis.fire( 'update' );\n\t}\n\n\t/**\n\t * Destroys the UI.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\n\t\tthis.focusTracker.destroy();\n\n\t\t// Clean–up the references to the CKEditor instance stored in the native editable DOM elements.\n\t\tfor ( const domElement of this._editableElementsMap.values() ) {\n\t\t\tdomElement.ckeditorInstance = null;\n\t\t}\n\n\t\tthis._editableElementsMap = new Map();\n\t}\n\n\t/**\n\t * Store the native DOM editable element used by the editor under\n\t * a unique name.\n\t *\n\t * @param {String} rootName The unique name of the editable element.\n\t * @param {HTMLElement} domElement The native DOM editable element.\n\t */\n\tsetEditableElement( rootName, domElement ) {\n\t\tthis._editableElementsMap.set( rootName, domElement );\n\n\t\t// Put a reference to the CKEditor instance in the editable native DOM element.\n\t\t// It helps 3rd–party software (browser extensions, other libraries) access and recognize\n\t\t// CKEditor 5 instances (editing roots) and use their API (there is no global editor\n\t\t// instance registry).\n\t\tif ( !domElement.ckeditorInstance ) {\n\t\t\tdomElement.ckeditorInstance = this.editor;\n\t\t}\n\t}\n\n\t/**\n\t * Returns the editable editor element with the given name or null if editable does not exist.\n\t *\n\t * @param {String} [rootName=main] The editable name.\n\t * @returns {HTMLElement|undefined}\n\t */\n\tgetEditableElement( rootName = 'main' ) {\n\t\treturn this._editableElementsMap.get( rootName );\n\t}\n\n\t/**\n\t * Returns array of names of all editor editable elements.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetEditableElementsNames() {\n\t\treturn this._editableElementsMap.keys();\n\t}\n\n\t/**\n\t * Stores all editable elements used by the editor instance.\n\t *\n\t * @protected\n\t * @deprecated\n\t * @member {Map.<String,HTMLElement>}\n\t */\n\tget _editableElements() {\n\t\t/**\n\t\t * The {@link module:core/editor/editorui~EditorUI#_editableElements `EditorUI#_editableElements`} property has been\n\t\t * deprecated and will be removed in the near future. Please use {@link #setEditableElement `setEditableElement()`} and\n\t\t * {@link #getEditableElement `getEditableElement()`} methods instead.\n\t\t *\n\t\t * @error editor-ui-deprecated-editable-elements\n\t\t * @param {module:core/editor/editorui~EditorUI} editorUI Editor UI instance the deprecated property belongs to.\n\t\t */\n\t\tconsole.warn(\n\t\t\t'editor-ui-deprecated-editable-elements: ' +\n\t\t\t'The EditorUI#_editableElements property has been deprecated and will be removed in the near future.',\n\t\t\t{ editorUI: this } );\n\n\t\treturn this._editableElementsMap;\n\t}\n\n\t/**\n\t * Fired when the editor UI is ready.\n\t *\n\t * Fired before {@link module:engine/controller/datacontroller~DataController#event:ready}.\n\t *\n\t * @event ready\n\t */\n\n\t/**\n\t * Fired whenever the UI (all related components) should be refreshed.\n\t *\n\t * **Note:**: The event is fired after each {@link module:engine/view/document~Document#event:layoutChanged}.\n\t * It can also be fired manually via the {@link module:core/editor/editorui~EditorUI#update} method.\n\t *\n\t * @event update\n\t */\n}\n\nmix( EditorUI, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/placeholder\n */\n\nimport '../../theme/placeholder.css';\n\n// Each document stores information about its placeholder elements and check functions.\nconst documentPlaceholders = new WeakMap();\n\n/**\n * A helper that enables a placeholder on the provided view element (also updates its visibility).\n * The placeholder is a CSS pseudo–element (with a text content) attached to the element.\n *\n * To change the placeholder text, simply call this method again with new options.\n *\n * To disable the placeholder, use {@link module:engine/view/placeholder~disablePlaceholder `disablePlaceholder()`} helper.\n *\n * @param {Object} [options] Configuration options of the placeholder.\n * @param {module:engine/view/view~View} options.view Editing view instance.\n * @param {module:engine/view/element~Element} options.element Element that will gain a placeholder.\n * See `options.isDirectHost` to learn more.\n * @param {String} options.text Placeholder text.\n * @param {Boolean} [options.isDirectHost=true] If set `false`, the placeholder will not be enabled directly\n * in the passed `element` but in one of its children (selected automatically, i.e. a first empty child element).\n * Useful when attaching placeholders to elements that can host other elements (not just text), for instance,\n * editable root elements.\n */\nexport function enablePlaceholder( options ) {\n\tconst { view, element, text, isDirectHost = true } = options;\n\tconst doc = view.document;\n\n\t// Use a single a single post fixer per—document to update all placeholders.\n\tif ( !documentPlaceholders.has( doc ) ) {\n\t\tdocumentPlaceholders.set( doc, new Map() );\n\n\t\t// If a post-fixer callback makes a change, it should return `true` so other post–fixers\n\t\t// can re–evaluate the document again.\n\t\tdoc.registerPostFixer( writer => updateDocumentPlaceholders( doc, writer ) );\n\t}\n\n\t// Store information about the element placeholder under its document.\n\tdocumentPlaceholders.get( doc ).set( element, {\n\t\ttext,\n\t\tisDirectHost\n\t} );\n\n\t// Update the placeholders right away.\n\tview.change( writer => updateDocumentPlaceholders( doc, writer ) );\n}\n\n/**\n * Disables the placeholder functionality from a given element.\n *\n * See {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`} to learn more.\n *\n * @param {module:engine/view/view~View} view\n * @param {module:engine/view/element~Element} element\n */\nexport function disablePlaceholder( view, element ) {\n\tconst doc = element.document;\n\n\tview.change( writer => {\n\t\tif ( !documentPlaceholders.has( doc ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst placeholders = documentPlaceholders.get( doc );\n\t\tconst config = placeholders.get( element );\n\n\t\twriter.removeAttribute( 'data-placeholder', config.hostElement );\n\t\thidePlaceholder( writer, config.hostElement );\n\n\t\tplaceholders.delete( element );\n\t} );\n}\n\n/**\n * Shows a placeholder in the provided element by changing related attributes and CSS classes.\n *\n * **Note**: This helper will not update the placeholder visibility nor manage the\n * it in any way in the future. What it does is a one–time state change of an element. Use\n * {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`} and\n * {@link module:engine/view/placeholder~disablePlaceholder `disablePlaceholder()`} for full\n * placeholder functionality.\n *\n * **Note**: This helper will blindly show the placeholder directly in the root editable element if\n * one is passed, which could result in a visual clash if the editable element has some children\n * (for instance, an empty paragraph). Use {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`}\n * in that case or make sure the correct element is passed to the helper.\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {module:engine/view/element~Element} element\n * @returns {Boolean} `true`, if any changes were made to the `element`.\n */\nexport function showPlaceholder( writer, element ) {\n\tif ( !element.hasClass( 'ck-placeholder' ) ) {\n\t\twriter.addClass( 'ck-placeholder', element );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n/**\n * Hides a placeholder in the element by changing related attributes and CSS classes.\n *\n * **Note**: This helper will not update the placeholder visibility nor manage the\n * it in any way in the future. What it does is a one–time state change of an element. Use\n * {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`} and\n * {@link module:engine/view/placeholder~disablePlaceholder `disablePlaceholder()`} for full\n * placeholder functionality.\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {module:engine/view/element~Element} element\n * @returns {Boolean} `true`, if any changes were made to the `element`.\n */\nexport function hidePlaceholder( writer, element ) {\n\tif ( element.hasClass( 'ck-placeholder' ) ) {\n\t\twriter.removeClass( 'ck-placeholder', element );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n/**\n * Checks if a placeholder should be displayed in the element.\n *\n * **Note**: This helper will blindly check the possibility of showing a placeholder directly in the\n * root editable element if one is passed, which may not be the expected result. If an element can\n * host other elements (not just text), most likely one of its children should be checked instead\n * because it will be the final host for the placeholder. Use\n * {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`} in that case or make\n * sure the correct element is passed to the helper.\n *\n * @param {module:engine/view/element~Element} element\n * @returns {Boolean}\n */\nexport function needsPlaceholder( element ) {\n\tif ( !element.isAttached() ) {\n\t\treturn false;\n\t}\n\n\t// The element is empty only as long as it contains nothing but uiElements.\n\tconst isEmptyish = !Array.from( element.getChildren() )\n\t\t.some( element => !element.is( 'uiElement' ) );\n\n\tconst doc = element.document;\n\n\t// If the element is empty and the document is blurred.\n\tif ( !doc.isFocused && isEmptyish ) {\n\t\treturn true;\n\t}\n\n\tconst viewSelection = doc.selection;\n\tconst selectionAnchor = viewSelection.anchor;\n\n\t// If document is focused and the element is empty but the selection is not anchored inside it.\n\tif ( isEmptyish && selectionAnchor && selectionAnchor.parent !== element ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n// Updates all placeholders associated with a document in a post–fixer callback.\n//\n// @private\n// @param { module:engine/view/document~Document} doc\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @returns {Boolean} True if any changes were made to the view document.\nfunction updateDocumentPlaceholders( doc, writer ) {\n\tconst placeholders = documentPlaceholders.get( doc );\n\tlet wasViewModified = false;\n\n\tfor ( const [ element, config ] of placeholders ) {\n\t\tif ( updatePlaceholder( writer, element, config ) ) {\n\t\t\twasViewModified = true;\n\t\t}\n\t}\n\n\treturn wasViewModified;\n}\n\n// Updates a single placeholder in a post–fixer callback.\n//\n// @private\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {module:engine/view/element~Element} element\n// @param {Object} config Configuration of the placeholder\n// @param {String} config.text\n// @param {Boolean} config.isDirectHost\n// @returns {Boolean} True if any changes were made to the view document.\nfunction updatePlaceholder( writer, element, config ) {\n\tconst { text, isDirectHost } = config;\n\n\tconst hostElement = isDirectHost ? element : getChildPlaceholderHostSubstitute( element );\n\tlet wasViewModified = false;\n\n\t// When not a direct host, it could happen that there is no child element\n\t// capable of displaying a placeholder.\n\tif ( !hostElement ) {\n\t\treturn false;\n\t}\n\n\t// Cache the host element. It will be necessary for disablePlaceholder() to know\n\t// which element should have class and attribute removed because, depending on\n\t// the config.isDirectHost value, it could be the element or one of its descendants.\n\tconfig.hostElement = hostElement;\n\n\t// This may be necessary when updating the placeholder text to something else.\n\tif ( hostElement.getAttribute( 'data-placeholder' ) !== text ) {\n\t\twriter.setAttribute( 'data-placeholder', text, hostElement );\n\t\twasViewModified = true;\n\t}\n\n\tif ( needsPlaceholder( hostElement ) ) {\n\t\tif ( showPlaceholder( writer, hostElement ) ) {\n\t\t\twasViewModified = true;\n\t\t}\n\t} else if ( hidePlaceholder( writer, hostElement ) ) {\n\t\twasViewModified = true;\n\t}\n\n\treturn wasViewModified;\n}\n\n// Gets a child element capable of displaying a placeholder if a parent element can host more\n// than just text (for instance, when it is a root editable element). The child element\n// can then be used in other placeholder helpers as a substitute of its parent.\n//\n// @private\n// @param {module:engine/view/element~Element} parent\n// @returns {module:engine/view/element~Element|null}\nfunction getChildPlaceholderHostSubstitute( parent ) {\n\tif ( parent.childCount === 1 ) {\n\t\tconst firstChild = parent.getChild( 0 );\n\n\t\tif ( firstChild.is( 'element' ) && !firstChild.is( 'uiElement' ) ) {\n\t\t\treturn firstChild;\n\t\t}\n\t}\n\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module editor-decoupled/decouplededitorui\n */\n\nimport EditorUI from '@ckeditor/ckeditor5-core/src/editor/editorui';\nimport enableToolbarKeyboardFocus from '@ckeditor/ckeditor5-ui/src/toolbar/enabletoolbarkeyboardfocus';\nimport { enablePlaceholder } from '@ckeditor/ckeditor5-engine/src/view/placeholder';\n\n/**\n * The decoupled editor UI class.\n *\n * @extends module:core/editor/editorui~EditorUI\n */\nexport default class DecoupledEditorUI extends EditorUI {\n\t/**\n\t * Creates an instance of the decoupled editor UI class.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t * @param {module:ui/editorui/editoruiview~EditorUIView} view The view of the UI.\n\t */\n\tconstructor( editor, view ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The main (top–most) view of the editor UI.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/editorui/editoruiview~EditorUIView} #view\n\t\t */\n\t\tthis.view = view;\n\t}\n\n\t/**\n\t * Initializes the UI.\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = this.view;\n\t\tconst editingView = editor.editing.view;\n\t\tconst editable = view.editable;\n\t\tconst editingRoot = editingView.document.getRoot();\n\n\t\t// The editable UI and editing root should share the same name. Then name is used\n\t\t// to recognize the particular editable, for instance in ARIA attributes.\n\t\tview.editable.name = editingRoot.rootName;\n\n\t\tview.render();\n\n\t\t// The editable UI element in DOM is available for sure only after the editor UI view has been rendered.\n\t\t// But it can be available earlier if a DOM element has been passed to DecoupledEditor.create().\n\t\tconst editableElement = editable.element;\n\n\t\t// Register the editable UI view in the editor. A single editor instance can aggregate multiple\n\t\t// editable areas (roots) but the decoupled editor has only one.\n\t\tthis.setEditableElement( editable.name, editableElement );\n\n\t\t// Let the global focus tracker know that the editable UI element is focusable and\n\t\t// belongs to the editor. From now on, the focus tracker will sustain the editor focus\n\t\t// as long as the editable is focused (e.g. the user is typing).\n\t\tthis.focusTracker.add( editableElement );\n\n\t\t// Let the editable UI element respond to the changes in the global editor focus\n\t\t// tracker. It has been added to the same tracker a few lines above but, in reality, there are\n\t\t// many focusable areas in the editor, like balloons, toolbars or dropdowns and as long\n\t\t// as they have focus, the editable should act like it is focused too (although technically\n\t\t// it isn't), e.g. by setting the proper CSS class, visually announcing focus to the user.\n\t\t// Doing otherwise will result in editable focus styles disappearing, once e.g. the\n\t\t// toolbar gets focused.\n\t\tview.editable.bind( 'isFocused' ).to( this.focusTracker );\n\n\t\t// Bind the editable UI element to the editing view, making it an end– and entry–point\n\t\t// of the editor's engine. This is where the engine meets the UI.\n\t\teditingView.attachDomRoot( editableElement );\n\n\t\tthis._initPlaceholder();\n\t\tthis._initToolbar();\n\t\tthis.fire( 'ready' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tconst view = this.view;\n\t\tconst editingView = this.editor.editing.view;\n\n\t\teditingView.detachDomRoot( view.editable.name );\n\t\tview.destroy();\n\n\t\tsuper.destroy();\n\t}\n\n\t/**\n\t * Initializes the inline editor toolbar and its panel.\n\t *\n\t * @private\n\t */\n\t_initToolbar() {\n\t\tconst editor = this.editor;\n\t\tconst view = this.view;\n\t\tconst toolbar = view.toolbar;\n\n\t\ttoolbar.fillFromConfig( editor.config.get( 'toolbar' ), this.componentFactory );\n\n\t\tenableToolbarKeyboardFocus( {\n\t\t\torigin: editor.editing.view,\n\t\t\toriginFocusTracker: this.focusTracker,\n\t\t\toriginKeystrokeHandler: editor.keystrokes,\n\t\t\ttoolbar\n\t\t} );\n\t}\n\n\t/**\n\t * Enable the placeholder text on the editing root, if any was configured.\n\t *\n\t * @private\n\t */\n\t_initPlaceholder() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\t\tconst editingRoot = editingView.document.getRoot();\n\t\tconst sourceElement = editor.sourceElement;\n\n\t\tconst placeholderText = editor.config.get( 'placeholder' ) ||\n\t\t\tsourceElement && sourceElement.tagName.toLowerCase() === 'textarea' && sourceElement.getAttribute( 'placeholder' );\n\n\t\tif ( placeholderText ) {\n\t\t\tenablePlaceholder( {\n\t\t\t\tview: editingView,\n\t\t\t\telement: editingRoot,\n\t\t\t\ttext: placeholderText,\n\t\t\t\tisDirectHost: false\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/enabletoolbarkeyboardfocus\n */\n\n/**\n * Enables focus/blur toolbar navigation using `Alt+F10` and `Esc` keystrokes.\n *\n * @param {Object} options Options of the utility.\n * @param {*} options.origin A view to which the focus will return when `Esc` is pressed and\n * `options.toolbar` is focused.\n * @param {module:utils/keystrokehandler~KeystrokeHandler} options.originKeystrokeHandler A keystroke\n * handler to register `Alt+F10` keystroke.\n * @param {module:utils/focustracker~FocusTracker} options.originFocusTracker A focus tracker\n * for `options.origin`.\n * @param {module:ui/toolbar/toolbarview~ToolbarView} options.toolbar A toolbar which is to gain\n * focus when `Alt+F10` is pressed.\n * @param {Function} [options.beforeFocus] A callback executed before the `options.toolbar` gains focus\n * upon the `Alt+F10` keystroke.\n * @param {Function} [options.afterBlur] A callback executed after `options.toolbar` loses focus upon\n * `Esc` keystroke but before the focus goes back to `options.origin`.\n */\nexport default function enableToolbarKeyboardFocus( {\n\torigin,\n\toriginKeystrokeHandler,\n\toriginFocusTracker,\n\ttoolbar,\n\tbeforeFocus,\n\tafterBlur\n} ) {\n\t// Because toolbar items can get focus, the overall state of the toolbar must\n\t// also be tracked.\n\toriginFocusTracker.add( toolbar.element );\n\n\t// Focus the toolbar on the keystroke, if not already focused.\n\toriginKeystrokeHandler.set( 'Alt+F10', ( data, cancel ) => {\n\t\tif ( originFocusTracker.isFocused && !toolbar.focusTracker.isFocused ) {\n\t\t\tif ( beforeFocus ) {\n\t\t\t\tbeforeFocus();\n\t\t\t}\n\n\t\t\ttoolbar.focus();\n\n\t\t\tcancel();\n\t\t}\n\t} );\n\n\t// Blur the toolbar and bring the focus back to origin.\n\ttoolbar.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\tif ( toolbar.focusTracker.isFocused ) {\n\t\t\torigin.focus();\n\n\t\t\tif ( afterBlur ) {\n\t\t\t\tafterBlur();\n\t\t\t}\n\n\t\t\tcancel();\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/viewcollection\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\n\n/**\n * Collects {@link module:ui/view~View} instances.\n *\n *\t\tconst parentView = new ParentView( locale );\n *\t\tconst collection = new ViewCollection( locale );\n *\n *\t\tcollection.setParent( parentView.element );\n *\n *\t\tconst viewA = new ChildView( locale );\n *\t\tconst viewB = new ChildView( locale );\n *\n * View collection renders and manages view {@link module:ui/view~View#element elements}:\n *\n *\t\tcollection.add( viewA );\n *\t\tcollection.add( viewB );\n *\n *\t\tconsole.log( parentView.element.firsChild ); // -> viewA.element\n *\t\tconsole.log( parentView.element.lastChild ); // -> viewB.element\n *\n * It {@link module:ui/viewcollection~ViewCollection#delegate propagates} DOM events too:\n *\n *\t\t// Delegate #click and #keydown events from viewA and viewB to the parentView.\n *\t\tcollection.delegate( 'click' ).to( parentView );\n *\n *\t\tparentView.on( 'click', ( evt ) => {\n *\t\t\tconsole.log( `${ evt.source } has been clicked.` );\n *\t\t} );\n *\n *\t\t// This event will be delegated to the parentView.\n *\t\tviewB.fire( 'click' );\n *\n * **Note**: A view collection can be used directly in the {@link module:ui/template~TemplateDefinition definition}\n * of a {@link module:ui/template~Template template}.\n *\n * @extends module:utils/collection~Collection\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class ViewCollection extends Collection {\n\t/**\n\t * Creates a new instance of the {@link module:ui/viewcollection~ViewCollection}.\n\t *\n\t * @param {Iterable.<module:ui/view~View>} [initialItems] The initial items of the collection.\n\t */\n\tconstructor( initialItems = [] ) {\n\t\tsuper( initialItems, {\n\t\t\t// An #id Number attribute should be legal and not break the `ViewCollection` instance.\n\t\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/93\n\t\t\tidProperty: 'viewUid'\n\t\t} );\n\n\t\t// Handle {@link module:ui/view~View#element} in DOM when a new view is added to the collection.\n\t\tthis.on( 'add', ( evt, view, index ) => {\n\t\t\tthis._renderViewIntoCollectionParent( view, index );\n\t\t} );\n\n\t\t// Handle {@link module:ui/view~View#element} in DOM when a view is removed from the collection.\n\t\tthis.on( 'remove', ( evt, view ) => {\n\t\t\tif ( view.element && this._parentElement ) {\n\t\t\t\tview.element.remove();\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * A parent element within which child views are rendered and managed in DOM.\n\t\t *\n\t\t * @protected\n\t\t * @member {HTMLElement}\n\t\t */\n\t\tthis._parentElement = null;\n\t}\n\n\t/**\n\t * Destroys the view collection along with child views.\n\t * See the view {@link module:ui/view~View#destroy} method.\n\t */\n\tdestroy() {\n\t\tthis.map( view => view.destroy() );\n\t}\n\n\t/**\n\t * Sets the parent HTML element of this collection. When parent is set, {@link #add adding} and\n\t * {@link #remove removing} views in the collection synchronizes their\n\t * {@link module:ui/view~View#element elements} in the parent element.\n\t *\n\t * @param {HTMLElement} element A new parent element.\n\t */\n\tsetParent( elementOrDocFragment ) {\n\t\tthis._parentElement = elementOrDocFragment;\n\n\t\t// Take care of the initial collection items passed to the constructor.\n\t\tfor ( const view of this ) {\n\t\t\tthis._renderViewIntoCollectionParent( view );\n\t\t}\n\t}\n\n\t/**\n\t * Delegates selected events coming from within views in the collection to any\n\t * {@link module:utils/emittermixin~Emitter}.\n\t *\n\t * For the following views and collection:\n\t *\n\t *\t\tconst viewA = new View();\n\t *\t\tconst viewB = new View();\n\t *\t\tconst viewC = new View();\n\t *\n\t *\t\tconst views = parentView.createCollection();\n\t *\n\t *\t\tviews.delegate( 'eventX' ).to( viewB );\n\t *\t\tviews.delegate( 'eventX', 'eventY' ).to( viewC );\n\t *\n\t *\t\tviews.add( viewA );\n\t *\n\t * the `eventX` is delegated (fired by) `viewB` and `viewC` along with `customData`:\n\t *\n\t *\t\tviewA.fire( 'eventX', customData );\n\t *\n\t * and `eventY` is delegated (fired by) `viewC` along with `customData`:\n\t *\n\t *\t\tviewA.fire( 'eventY', customData );\n\t *\n\t * See {@link module:utils/emittermixin~Emitter#delegate}.\n\t *\n\t * @param {...String} events {@link module:ui/view~View} event names to be delegated to another\n\t * {@link module:utils/emittermixin~Emitter}.\n\t * @returns {Object}\n\t * @returns {Function} return.to A function which accepts the destination of\n\t * {@link module:utils/emittermixin~Emitter#delegate delegated} events.\n\t */\n\tdelegate( ...events ) {\n\t\tif ( !events.length || !isStringArray( events ) ) {\n\t\t\t/**\n\t\t\t * All event names must be strings.\n\t\t\t *\n\t\t\t * @error ui-viewcollection-delegate-wrong-events\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'ui-viewcollection-delegate-wrong-events',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\treturn {\n\t\t\t/**\n\t\t\t * Selects destination for {@link module:utils/emittermixin~Emitter#delegate} events.\n\t\t\t *\n\t\t\t * @memberOf module:ui/viewcollection~ViewCollection#delegate\n\t\t\t * @function module:ui/viewcollection~ViewCollection#delegate.to\n\t\t\t * @param {module:utils/emittermixin~Emitter} dest An `Emitter` instance which is\n\t\t\t * the destination for delegated events.\n\t\t\t */\n\t\t\tto: dest => {\n\t\t\t\t// Activate delegating on existing views in this collection.\n\t\t\t\tfor ( const view of this ) {\n\t\t\t\t\tfor ( const evtName of events ) {\n\t\t\t\t\t\tview.delegate( evtName ).to( dest );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Activate delegating on future views in this collection.\n\t\t\t\tthis.on( 'add', ( evt, view ) => {\n\t\t\t\t\tfor ( const evtName of events ) {\n\t\t\t\t\t\tview.delegate( evtName ).to( dest );\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\t\t// Deactivate delegating when view is removed from this collection.\n\t\t\t\tthis.on( 'remove', ( evt, view ) => {\n\t\t\t\t\tfor ( const evtName of events ) {\n\t\t\t\t\t\tview.stopDelegating( evtName, dest );\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t}\n\t\t};\n\t}\n\n\t/**\n\t * This method {@link module:ui/view~View#render renders} a new view added to the collection.\n\t *\n\t * If the {@link #_parentElement parent element} of the collection is set, this method also adds\n\t * the view's {@link module:ui/view~View#element} as a child of the parent in DOM at a specified index.\n\t *\n\t * **Note**: If index is not specified, the view's element is pushed as the last child\n\t * of the parent element.\n\t *\n\t * @private\n\t * @param {module:ui/view~View} view A new view added to the collection.\n\t * @param {Number} [index] An index the view holds in the collection. When not specified,\n\t * the view is added at the end.\n\t */\n\t_renderViewIntoCollectionParent( view, index ) {\n\t\tif ( !view.isRendered ) {\n\t\t\tview.render();\n\t\t}\n\n\t\tif ( view.element && this._parentElement ) {\n\t\t\tthis._parentElement.insertBefore( view.element, this._parentElement.children[ index ] );\n\t\t}\n\t}\n\n\t/**\n\t * Removes a child view from the collection. If the {@link #setParent parent element} of the\n\t * collection has been set, the {@link module:ui/view~View#element element} of the view is also removed\n\t * in DOM, reflecting the order of the collection.\n\t *\n\t * See the {@link #add} method.\n\t *\n\t * @method #remove\n\t * @param {module:ui/view~View|Number|String} subject The view to remove, its id or index in the collection.\n\t * @returns {Object} The removed view.\n\t */\n}\n\n// Check if all entries of the array are of `String` type.\n//\n// @private\n// @param {Array} arr An array to be checked.\n// @returns {Boolean}\nfunction isStringArray( arr ) {\n\treturn arr.every( a => typeof a == 'string' );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/template\n */\n\n/* global document */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport View from './view';\nimport ViewCollection from './viewcollection';\nimport isNode from '@ckeditor/ckeditor5-utils/src/dom/isnode';\nimport { isObject, cloneDeepWith } from 'lodash-es';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\nconst xhtmlNs = 'http://www.w3.org/1999/xhtml';\n\n/**\n * A basic Template class. It renders a DOM HTML element or text from a\n * {@link module:ui/template~TemplateDefinition definition} and supports element attributes, children,\n * bindings to {@link module:utils/observablemixin~Observable observables} and DOM event propagation.\n *\n * A simple template can look like this:\n *\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\tattributes: {\n *\t\t\t\tclass: 'foo',\n *\t\t\t\tstyle: {\n *\t\t\t\t\tbackgroundColor: 'yellow'\n *\t\t\t\t}\n *\t\t\t},\n *\t\t\ton: {\n *\t\t\t\tclick: bind.to( 'clicked' )\n *\t\t\t},\n *\t\t\tchildren: [\n *\t\t\t\t'A paragraph.'\n *\t\t\t]\n *\t\t} ).render();\n *\n * and it will render the following HTML element:\n *\n *\t\t<p class=\"foo\" style=\"background-color: yellow;\">A paragraph.</p>\n *\n * Additionally, the `observable` will always fire `clicked` upon clicking `<p>` in the DOM.\n *\n * See {@link module:ui/template~TemplateDefinition} to know more about templates and complex\n * template definitions.\n *\n* @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Template {\n\t/**\n\t * Creates an instance of the {@link ~Template} class.\n\t *\n\t * @param {module:ui/template~TemplateDefinition} def The definition of the template.\n\t */\n\tconstructor( def ) {\n\t\tObject.assign( this, normalize( clone( def ) ) );\n\n\t\t/**\n\t\t * Indicates whether this particular Template instance has been\n\t\t * {@link #render rendered}.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._isRendered = false;\n\n\t\t/**\n\t\t * The tag (`tagName`) of this template, e.g. `div`. It also indicates that the template\n\t\t * renders to an HTML element.\n\t\t *\n\t\t * @member {String} #tag\n\t\t */\n\n\t\t/**\n\t\t * The text of the template. It also indicates that the template renders to a DOM text node.\n\t\t *\n\t\t * @member {Array.<String|module:ui/template~TemplateValueSchema>} #text\n\t\t */\n\n\t\t/**\n\t\t * The attributes of the template, e.g. `{ id: [ 'ck-id' ] }`, corresponding with\n\t\t * the attributes of an HTML element.\n\t\t *\n\t\t * **Note**: This property only makes sense when {@link #tag} is defined.\n\t\t *\n\t\t * @member {Object} #attributes\n\t\t */\n\n\t\t/**\n\t\t * The children of the template. They can be either:\n\t\t * * independent instances of {@link ~Template} (sub–templates),\n\t\t * * native DOM Nodes.\n\t\t *\n\t\t * **Note**: This property only makes sense when {@link #tag} is defined.\n\t\t *\n\t\t * @member {Array.<module:ui/template~Template|Node>} #children\n\t\t */\n\n\t\t/**\n\t\t * The DOM event listeners of the template.\n\t\t *\n\t\t * @member {Object} #eventListeners\n\t\t */\n\n\t\t/**\n\t\t * The data used by the {@link #revert} method to restore a node to its original state.\n\t\t *\n\t\t * See: {@link #apply}.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/template~RenderData}\n\t\t */\n\t\tthis._revertData = null;\n\t}\n\n\t/**\n\t * Renders a DOM Node (an HTML element or text) out of the template.\n\t *\n\t *\t\tconst domNode = new Template( { ... } ).render();\n\t *\n\t * See: {@link #apply}.\n\t *\n\t * @returns {HTMLElement|Text}\n\t */\n\trender() {\n\t\tconst node = this._renderNode( {\n\t\t\tintoFragment: true\n\t\t} );\n\n\t\tthis._isRendered = true;\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Applies the template to an existing DOM Node, either HTML element or text.\n\t *\n\t * **Note:** No new DOM nodes will be created. Applying extends:\n\t *\n\t * {@link module:ui/template~TemplateDefinition attributes},\n\t * {@link module:ui/template~TemplateDefinition event listeners}, and\n\t * `textContent` of {@link module:ui/template~TemplateDefinition children} only.\n\t *\n\t * **Note:** Existing `class` and `style` attributes are extended when a template\n\t * is applied to an HTML element, while other attributes and `textContent` are overridden.\n\t *\n\t * **Note:** The process of applying a template can be easily reverted using the\n\t * {@link module:ui/template~Template#revert} method.\n\t *\n\t *\t\tconst element = document.createElement( 'div' );\n\t *\t\tconst observable = new Model( { divClass: 'my-div' } );\n\t *\t\tconst emitter = Object.create( EmitterMixin );\n\t *\t\tconst bind = Template.bind( observable, emitter );\n\t *\n\t *\t\tnew Template( {\n\t *\t\t\tattributes: {\n\t *\t\t\t\tid: 'first-div',\n\t *\t\t\t\tclass: bind.to( 'divClass' )\n\t *\t\t\t},\n\t *\t\t\ton: {\n\t *\t\t\t\tclick: bind( 'elementClicked' ) // Will be fired by the observable.\n\t *\t\t\t},\n\t *\t\t\tchildren: [\n\t *\t\t\t\t'Div text.'\n\t *\t\t\t]\n\t *\t\t} ).apply( element );\n\t *\n\t *\t\tconsole.log( element.outerHTML ); // -> '<div id=\"first-div\" class=\"my-div\"></div>'\n\t *\n\t * @see module:ui/template~Template#render\n\t * @see module:ui/template~Template#revert\n\t * @param {Node} node Root node for the template to apply.\n\t */\n\tapply( node ) {\n\t\tthis._revertData = getEmptyRevertData();\n\n\t\tthis._renderNode( {\n\t\t\tnode,\n\t\t\tisApplying: true,\n\t\t\trevertData: this._revertData\n\t\t} );\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Reverts a template {@link module:ui/template~Template#apply applied} to a DOM node.\n\t *\n\t * @param {Node} node The root node for the template to revert. In most of the cases, it is the\n\t * same node used by {@link module:ui/template~Template#apply}.\n\t */\n\trevert( node ) {\n\t\tif ( !this._revertData ) {\n\t\t\t/**\n\t\t\t * Attempting to revert a template which has not been applied yet.\n\t\t\t *\n\t\t\t * @error ui-template-revert-not-applied\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'ui-template-revert-not-applied',\n\t\t\t\t[ this, node ]\n\t\t\t);\n\t\t}\n\n\t\tthis._revertTemplateFromNode( node, this._revertData );\n\t}\n\n\t/**\n\t * Returns an iterator which traverses the template in search of {@link module:ui/view~View}\n\t * instances and returns them one by one.\n\t *\n\t *\t\tconst viewFoo = new View();\n\t *\t\tconst viewBar = new View();\n\t *\t\tconst viewBaz = new View();\n\t *\t\tconst template = new Template( {\n\t *\t\t\ttag: 'div',\n\t *\t\t\tchildren: [\n\t *\t\t\t\tviewFoo,\n\t *\t\t\t\t{\n\t *\t\t\t\t\ttag: 'div',\n\t *\t\t\t\t\tchildren: [\n\t *\t\t\t\t\t\tviewBar\n\t *\t\t\t\t\t]\n\t *\t\t\t\t},\n\t *\t\t\t\tviewBaz\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t *\t\t// Logs: viewFoo, viewBar, viewBaz\n\t *\t\tfor ( const view of template.getViews() ) {\n\t *\t\t\tconsole.log( view );\n\t *\t\t}\n\t *\n\t * @returns {Iterable.<module:ui/view~View>}\n\t */\n\t* getViews() {\n\t\tfunction* search( def ) {\n\t\t\tif ( def.children ) {\n\t\t\t\tfor ( const child of def.children ) {\n\t\t\t\t\tif ( isView( child ) ) {\n\t\t\t\t\t\tyield child;\n\t\t\t\t\t} else if ( isTemplate( child ) ) {\n\t\t\t\t\t\tyield* search( child );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tyield* search( this );\n\t}\n\n\t/**\n\t * An entry point to the interface which binds DOM nodes to\n\t * {@link module:utils/observablemixin~Observable observables}.\n\t * There are two types of bindings:\n\t *\n\t * * HTML element attributes or text `textContent` synchronized with attributes of an\n\t * {@link module:utils/observablemixin~Observable}. Learn more about {@link module:ui/template~BindChain#to}\n\t * and {@link module:ui/template~BindChain#if}.\n\t *\n\t *\t\tconst bind = Template.bind( observable, emitter );\n\t *\n\t *\t\tnew Template( {\n\t *\t\t\tattributes: {\n\t *\t\t\t\t// Binds the element \"class\" attribute to observable#classAttribute.\n\t *\t\t\t\tclass: bind.to( 'classAttribute' )\n\t *\t\t\t}\n\t *\t\t} ).render();\n\t *\n\t * * DOM events fired on HTML element propagated through\n\t * {@link module:utils/observablemixin~Observable}. Learn more about {@link module:ui/template~BindChain#to}.\n\t *\n\t *\t\tconst bind = Template.bind( observable, emitter );\n\t *\n\t *\t\tnew Template( {\n\t *\t\t\ton: {\n\t *\t\t\t\t// Will be fired by the observable.\n\t *\t\t\t\tclick: bind( 'elementClicked' )\n\t *\t\t\t}\n\t *\t\t} ).render();\n\t *\n\t * Also see {@link module:ui/view~View#bindTemplate}.\n\t *\n\t * @param {module:utils/observablemixin~Observable} observable An observable which provides boundable attributes.\n\t * @param {module:utils/emittermixin~Emitter} emitter An emitter that listens to observable attribute\n\t * changes or DOM Events (depending on the kind of the binding). Usually, a {@link module:ui/view~View} instance.\n\t * @returns {module:ui/template~BindChain}\n\t */\n\tstatic bind( observable, emitter ) {\n\t\treturn {\n\t\t\tto( eventNameOrFunctionOrAttribute, callback ) {\n\t\t\t\treturn new TemplateToBinding( {\n\t\t\t\t\teventNameOrFunction: eventNameOrFunctionOrAttribute,\n\t\t\t\t\tattribute: eventNameOrFunctionOrAttribute,\n\t\t\t\t\tobservable, emitter, callback\n\t\t\t\t} );\n\t\t\t},\n\n\t\t\tif( attribute, valueIfTrue, callback ) {\n\t\t\t\treturn new TemplateIfBinding( {\n\t\t\t\t\tobservable, emitter, attribute, valueIfTrue, callback\n\t\t\t\t} );\n\t\t\t}\n\t\t};\n\t}\n\n\t/**\n\t * Extends an existing {@link module:ui/template~Template} instance with some additional content\n\t * from another {@link module:ui/template~TemplateDefinition}.\n\t *\n\t *\t\tconst bind = Template.bind( observable, emitter );\n\t *\n\t *\t\tconst template = new Template( {\n\t *\t\t\ttag: 'p',\n\t *\t\t\tattributes: {\n\t *\t\t\t\tclass: 'a',\n\t *\t\t\t\tdata-x: bind.to( 'foo' )\n\t *\t\t\t},\n\t *\t\t\tchildren: [\n\t *\t\t\t\t{\n\t *\t\t\t\t\ttag: 'span',\n\t *\t\t\t\t\tattributes: {\n\t *\t\t\t\t\t\tclass: 'b'\n\t *\t\t\t\t\t},\n\t *\t\t\t\t\tchildren: [\n\t *\t\t\t\t\t\t'Span'\n\t *\t\t\t\t\t]\n\t *\t\t\t\t}\n\t *\t\t\t]\n\t *\t\t } );\n\t *\n\t *\t\t// Instance-level extension.\n\t *\t\tTemplate.extend( template, {\n\t *\t\t\tattributes: {\n\t *\t\t\t\tclass: 'b',\n\t *\t\t\t\tdata-x: bind.to( 'bar' )\n\t *\t\t\t},\n\t *\t\t\tchildren: [\n\t *\t\t\t\t{\n\t *\t\t\t\t\tattributes: {\n\t *\t\t\t\t\t\tclass: 'c'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t *\t\t// Child extension.\n\t *\t\tTemplate.extend( template.children[ 0 ], {\n\t *\t\t\tattributes: {\n\t *\t\t\t\tclass: 'd'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * the `outerHTML` of `template.render()` is:\n\t *\n\t *\t\t<p class=\"a b\" data-x=\"{ observable.foo } { observable.bar }\">\n\t *\t\t\t<span class=\"b c d\">Span</span>\n\t *\t\t</p>\n\t *\n\t * @param {module:ui/template~Template} template An existing template instance to be extended.\n\t * @param {module:ui/template~TemplateDefinition} def Additional definition to be applied to a template.\n\t */\n\tstatic extend( template, def ) {\n\t\tif ( template._isRendered ) {\n\t\t\t/**\n\t\t\t * Extending a template after rendering may not work as expected. To make sure\n\t\t\t * the {@link module:ui/template~Template.extend extending} works for an element,\n\t\t\t * make sure it happens before {@link #render} is called.\n\t\t\t *\n\t\t\t * @error template-extend-render\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'template-extend-render',\n\t\t\t\t[ this, template ]\n\t\t\t);\n\t\t}\n\n\t\textendTemplate( template, normalize( clone( def ) ) );\n\t}\n\n\t/**\n\t * Renders a DOM Node (either an HTML element or text) out of the template.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderNode( data ) {\n\t\tlet isInvalid;\n\n\t\tif ( data.node ) {\n\t\t\t// When applying, a definition cannot have \"tag\" and \"text\" at the same time.\n\t\t\tisInvalid = this.tag && this.text;\n\t\t} else {\n\t\t\t// When rendering, a definition must have either \"tag\" or \"text\": XOR( this.tag, this.text ).\n\t\t\tisInvalid = this.tag ? this.text : !this.text;\n\t\t}\n\n\t\tif ( isInvalid ) {\n\t\t\t/**\n\t\t\t * Node definition cannot have the \"tag\" and \"text\" properties at the same time.\n\t\t\t * Node definition must have either \"tag\" or \"text\" when rendering a new Node.\n\t\t\t *\n\t\t\t * @error ui-template-wrong-syntax\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'ui-template-wrong-syntax',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tif ( this.text ) {\n\t\t\treturn this._renderText( data );\n\t\t} else {\n\t\t\treturn this._renderElement( data );\n\t\t}\n\t}\n\n\t/**\n\t * Renders an HTML element out of the template.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderElement( data ) {\n\t\tlet node = data.node;\n\n\t\tif ( !node ) {\n\t\t\tnode = data.node = document.createElementNS( this.ns || xhtmlNs, this.tag );\n\t\t}\n\n\t\tthis._renderAttributes( data );\n\t\tthis._renderElementChildren( data );\n\t\tthis._setUpListeners( data );\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Renders a text node out of {@link module:ui/template~Template#text}.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderText( data ) {\n\t\tlet node = data.node;\n\n\t\t// Save the original textContent to revert it in #revert().\n\t\tif ( node ) {\n\t\t\tdata.revertData.text = node.textContent;\n\t\t} else {\n\t\t\tnode = data.node = document.createTextNode( '' );\n\t\t}\n\n\t\t// Check if this Text Node is bound to Observable. Cases:\n\t\t//\n\t\t//\t\ttext: [ Template.bind( ... ).to( ... ) ]\n\t\t//\n\t\t//\t\ttext: [\n\t\t//\t\t\t'foo',\n\t\t//\t\t\tTemplate.bind( ... ).to( ... ),\n\t\t//\t\t\t...\n\t\t//\t\t]\n\t\t//\n\t\tif ( hasTemplateBinding( this.text ) ) {\n\t\t\tthis._bindToObservable( {\n\t\t\t\tschema: this.text,\n\t\t\t\tupdater: getTextUpdater( node ),\n\t\t\t\tdata\n\t\t\t} );\n\t\t}\n\t\t// Simply set text. Cases:\n\t\t//\n\t\t//\t\ttext: [ 'all', 'are', 'static' ]\n\t\t//\n\t\t//\t\ttext: [ 'foo' ]\n\t\t//\n\t\telse {\n\t\t\tnode.textContent = this.text.join( '' );\n\t\t}\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Renders HTML element attributes out of {@link module:ui/template~Template#attributes}.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderAttributes( data ) {\n\t\tlet attrName, attrValue, domAttrValue, attrNs;\n\n\t\tif ( !this.attributes ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst node = data.node;\n\t\tconst revertData = data.revertData;\n\n\t\tfor ( attrName in this.attributes ) {\n\t\t\t// Current attribute value in DOM.\n\t\t\tdomAttrValue = node.getAttribute( attrName );\n\n\t\t\t// The value to be set.\n\t\t\tattrValue = this.attributes[ attrName ];\n\n\t\t\t// Save revert data.\n\t\t\tif ( revertData ) {\n\t\t\t\trevertData.attributes[ attrName ] = domAttrValue;\n\t\t\t}\n\n\t\t\t// Detect custom namespace:\n\t\t\t//\n\t\t\t//\t\tclass: {\n\t\t\t//\t\t\tns: 'abc',\n\t\t\t//\t\t\tvalue: Template.bind( ... ).to( ... )\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\tattrNs = ( isObject( attrValue[ 0 ] ) && attrValue[ 0 ].ns ) ? attrValue[ 0 ].ns : null;\n\n\t\t\t// Activate binding if one is found. Cases:\n\t\t\t//\n\t\t\t//\t\tclass: [\n\t\t\t//\t\t\tTemplate.bind( ... ).to( ... )\n\t\t\t//\t\t]\n\t\t\t//\n\t\t\t//\t\tclass: [\n\t\t\t//\t\t\t'bar',\n\t\t\t//\t\t\tTemplate.bind( ... ).to( ... ),\n\t\t\t//\t\t\t'baz'\n\t\t\t//\t\t]\n\t\t\t//\n\t\t\t//\t\tclass: {\n\t\t\t//\t\t\tns: 'abc',\n\t\t\t//\t\t\tvalue: Template.bind( ... ).to( ... )\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\tif ( hasTemplateBinding( attrValue ) ) {\n\t\t\t\t// Normalize attributes with additional data like namespace:\n\t\t\t\t//\n\t\t\t\t//\t\tclass: {\n\t\t\t\t//\t\t\tns: 'abc',\n\t\t\t\t//\t\t\tvalue: [ ... ]\n\t\t\t\t//\t\t}\n\t\t\t\t//\n\t\t\t\tconst valueToBind = attrNs ? attrValue[ 0 ].value : attrValue;\n\n\t\t\t\t// Extend the original value of attributes like \"style\" and \"class\",\n\t\t\t\t// don't override them.\n\t\t\t\tif ( revertData && shouldExtend( attrName ) ) {\n\t\t\t\t\tvalueToBind.unshift( domAttrValue );\n\t\t\t\t}\n\n\t\t\t\tthis._bindToObservable( {\n\t\t\t\t\tschema: valueToBind,\n\t\t\t\t\tupdater: getAttributeUpdater( node, attrName, attrNs ),\n\t\t\t\t\tdata\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\t// Style attribute could be an Object so it needs to be parsed in a specific way.\n\t\t\t//\n\t\t\t//\t\tstyle: {\n\t\t\t//\t\t\twidth: '100px',\n\t\t\t//\t\t\theight: Template.bind( ... ).to( ... )\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\telse if ( attrName == 'style' && typeof attrValue[ 0 ] !== 'string' ) {\n\t\t\t\tthis._renderStyleAttribute( attrValue[ 0 ], data );\n\t\t\t}\n\n\t\t\t// Otherwise simply set the static attribute:\n\t\t\t//\n\t\t\t//\t\tclass: [ 'foo' ]\n\t\t\t//\n\t\t\t//\t\tclass: [ 'all', 'are', 'static' ]\n\t\t\t//\n\t\t\t//\t\tclass: [\n\t\t\t//\t\t\t{\n\t\t\t//\t\t\t\tns: 'abc',\n\t\t\t//\t\t\t\tvalue: [ 'foo' ]\n\t\t\t//\t\t\t}\n\t\t\t//\t\t]\n\t\t\t//\n\t\t\telse {\n\t\t\t\t// Extend the original value of attributes like \"style\" and \"class\",\n\t\t\t\t// don't override them.\n\t\t\t\tif ( revertData && domAttrValue && shouldExtend( attrName ) ) {\n\t\t\t\t\tattrValue.unshift( domAttrValue );\n\t\t\t\t}\n\n\t\t\t\tattrValue = attrValue\n\t\t\t\t\t// Retrieve \"values\" from:\n\t\t\t\t\t//\n\t\t\t\t\t//\t\tclass: [\n\t\t\t\t\t//\t\t\t{\n\t\t\t\t\t//\t\t\t\tns: 'abc',\n\t\t\t\t\t//\t\t\t\tvalue: [ ... ]\n\t\t\t\t\t//\t\t\t}\n\t\t\t\t\t//\t\t]\n\t\t\t\t\t//\n\t\t\t\t\t.map( val => val ? ( val.value || val ) : val )\n\t\t\t\t\t// Flatten the array.\n\t\t\t\t\t.reduce( ( prev, next ) => prev.concat( next ), [] )\n\t\t\t\t\t// Convert into string.\n\t\t\t\t\t.reduce( arrayValueReducer, '' );\n\n\t\t\t\tif ( !isFalsy( attrValue ) ) {\n\t\t\t\t\tnode.setAttributeNS( attrNs, attrName, attrValue );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Renders the `style` attribute of an HTML element based on\n\t * {@link module:ui/template~Template#attributes}.\n\t *\n\t * A style attribute is an {Object} with static values:\n\t *\n\t *\t\tattributes: {\n\t *\t\t\tstyle: {\n\t *\t\t\t\tcolor: 'red'\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * or values bound to {@link module:ui/model~Model} properties:\n\t *\n\t *\t\tattributes: {\n\t *\t\t\tstyle: {\n\t *\t\t\t\tcolor: bind.to( ... )\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * Note: The `style` attribute is rendered without setting the namespace. It does not seem to be\n\t * needed.\n\t *\n\t * @private\n\t * @param {Object} styles Styles located in `attributes.style` of {@link module:ui/template~TemplateDefinition}.\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderStyleAttribute( styles, data ) {\n\t\tconst node = data.node;\n\n\t\tfor ( const styleName in styles ) {\n\t\t\tconst styleValue = styles[ styleName ];\n\n\t\t\t// Cases:\n\t\t\t//\n\t\t\t//\t\tstyle: {\n\t\t\t//\t\t\tcolor: bind.to( 'attribute' )\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\tif ( hasTemplateBinding( styleValue ) ) {\n\t\t\t\tthis._bindToObservable( {\n\t\t\t\t\tschema: [ styleValue ],\n\t\t\t\t\tupdater: getStyleUpdater( node, styleName ),\n\t\t\t\t\tdata\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\t// Cases:\n\t\t\t//\n\t\t\t//\t\tstyle: {\n\t\t\t//\t\t\tcolor: 'red'\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\telse {\n\t\t\t\tnode.style[ styleName ] = styleValue;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Recursively renders HTML element's children from {@link module:ui/template~Template#children}.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderElementChildren( data ) {\n\t\tconst node = data.node;\n\t\tconst container = data.intoFragment ? document.createDocumentFragment() : node;\n\t\tconst isApplying = data.isApplying;\n\t\tlet childIndex = 0;\n\n\t\tfor ( const child of this.children ) {\n\t\t\tif ( isViewCollection( child ) ) {\n\t\t\t\tif ( !isApplying ) {\n\t\t\t\t\tchild.setParent( node );\n\n\t\t\t\t\t// Note: ViewCollection renders its children.\n\t\t\t\t\tfor ( const view of child ) {\n\t\t\t\t\t\tcontainer.appendChild( view.element );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} else if ( isView( child ) ) {\n\t\t\t\tif ( !isApplying ) {\n\t\t\t\t\tif ( !child.isRendered ) {\n\t\t\t\t\t\tchild.render();\n\t\t\t\t\t}\n\n\t\t\t\t\tcontainer.appendChild( child.element );\n\t\t\t\t}\n\t\t\t} else if ( isNode( child ) ) {\n\t\t\t\tcontainer.appendChild( child );\n\t\t\t} else {\n\t\t\t\tif ( isApplying ) {\n\t\t\t\t\tconst revertData = data.revertData;\n\t\t\t\t\tconst childRevertData = getEmptyRevertData();\n\n\t\t\t\t\trevertData.children.push( childRevertData );\n\n\t\t\t\t\tchild._renderNode( {\n\t\t\t\t\t\tnode: container.childNodes[ childIndex++ ],\n\t\t\t\t\t\tisApplying: true,\n\t\t\t\t\t\trevertData: childRevertData\n\t\t\t\t\t} );\n\t\t\t\t} else {\n\t\t\t\t\tcontainer.appendChild( child.render() );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif ( data.intoFragment ) {\n\t\t\tnode.appendChild( container );\n\t\t}\n\t}\n\n\t/**\n\t * Activates `on` event listeners from the {@link module:ui/template~TemplateDefinition}\n\t * on an HTML element.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_setUpListeners( data ) {\n\t\tif ( !this.eventListeners ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const key in this.eventListeners ) {\n\t\t\tconst revertBindings = this.eventListeners[ key ].map( schemaItem => {\n\t\t\t\tconst [ domEvtName, domSelector ] = key.split( '@' );\n\n\t\t\t\treturn schemaItem.activateDomEventListener( domEvtName, domSelector, data );\n\t\t\t} );\n\n\t\t\tif ( data.revertData ) {\n\t\t\t\tdata.revertData.bindings.push( revertBindings );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * For a given {@link module:ui/template~TemplateValueSchema} containing {@link module:ui/template~TemplateBinding}\n\t * activates the binding and sets its initial value.\n\t *\n\t * Note: {@link module:ui/template~TemplateValueSchema} can be for HTML element attributes or\n\t * text node `textContent`.\n\t *\n\t * @protected\n\t * @param {Object} options Binding options.\n\t * @param {module:ui/template~TemplateValueSchema} options.schema\n\t * @param {Function} options.updater A function which updates the DOM (like attribute or text).\n\t * @param {module:ui/template~RenderData} options.data Rendering data.\n\t */\n\t_bindToObservable( { schema, updater, data } ) {\n\t\tconst revertData = data.revertData;\n\n\t\t// Set initial values.\n\t\tsyncValueSchemaValue( schema, updater, data );\n\n\t\tconst revertBindings = schema\n\t\t\t// Filter \"falsy\" (false, undefined, null, '') value schema components out.\n\t\t\t.filter( item => !isFalsy( item ) )\n\t\t\t// Filter inactive bindings from schema, like static strings ('foo'), numbers (42), etc.\n\t\t\t.filter( item => item.observable )\n\t\t\t// Once only the actual binding are left, let the emitter listen to observable change:attribute event.\n\t\t\t// TODO: Reduce the number of listeners attached as many bindings may listen\n\t\t\t// to the same observable attribute.\n\t\t\t.map( templateBinding => templateBinding.activateAttributeListener( schema, updater, data ) );\n\n\t\tif ( revertData ) {\n\t\t\trevertData.bindings.push( revertBindings );\n\t\t}\n\t}\n\n\t/**\n\t * Reverts {@link module:ui/template~RenderData#revertData template data} from a node to\n\t * return it to the original state.\n\t *\n\t * @protected\n\t * @param {HTMLElement|Text} node A node to be reverted.\n\t * @param {Object} revertData An object that stores information about what changes have been made by\n\t * {@link #apply} to the node. See {@link module:ui/template~RenderData#revertData} for more information.\n\t */\n\t_revertTemplateFromNode( node, revertData ) {\n\t\tfor ( const binding of revertData.bindings ) {\n\t\t\t// Each binding may consist of several observable+observable#attribute.\n\t\t\t// like the following has 2:\n\t\t\t//\n\t\t\t//\t\tclass: [\n\t\t\t//\t\t\t'x',\n\t\t\t//\t\t\tbind.to( 'foo' ),\n\t\t\t//\t\t\t'y',\n\t\t\t//\t\t\tbind.to( 'bar' )\n\t\t\t//\t\t]\n\t\t\t//\n\t\t\tfor ( const revertBinding of binding ) {\n\t\t\t\trevertBinding();\n\t\t\t}\n\t\t}\n\n\t\tif ( revertData.text ) {\n\t\t\tnode.textContent = revertData.text;\n\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const attrName in revertData.attributes ) {\n\t\t\tconst attrValue = revertData.attributes[ attrName ];\n\n\t\t\t// When the attribute has **not** been set before #apply().\n\t\t\tif ( attrValue === null ) {\n\t\t\t\tnode.removeAttribute( attrName );\n\t\t\t} else {\n\t\t\t\tnode.setAttribute( attrName, attrValue );\n\t\t\t}\n\t\t}\n\n\t\tfor ( let i = 0; i < revertData.children.length; ++i ) {\n\t\t\tthis._revertTemplateFromNode( node.childNodes[ i ], revertData.children[ i ] );\n\t\t}\n\t}\n}\n\nmix( Template, EmitterMixin );\n\n/**\n * Describes a binding created by the {@link module:ui/template~Template.bind} interface.\n *\n * @protected\n */\nexport class TemplateBinding {\n\t/**\n\t * Creates an instance of the {@link module:ui/template~TemplateBinding} class.\n\t *\n\t * @param {module:ui/template~TemplateDefinition} def The definition of the binding.\n\t */\n\tconstructor( def ) {\n\t\tObject.assign( this, def );\n\n\t\t/**\n\t\t * An observable instance of the binding. It either:\n\t\t *\n\t\t * * provides the attribute with the value,\n\t\t * * or passes the event when a corresponding DOM event is fired.\n\t\t *\n\t\t * @member {module:utils/observablemixin~ObservableMixin} module:ui/template~TemplateBinding#observable\n\t\t */\n\n\t\t/**\n\t\t * An {@link module:utils/emittermixin~Emitter} used by the binding to:\n\t\t *\n\t\t * * listen to the attribute change in the {@link module:ui/template~TemplateBinding#observable},\n\t\t * * or listen to the event in the DOM.\n\t\t *\n\t\t * @member {module:utils/emittermixin~EmitterMixin} module:ui/template~TemplateBinding#emitter\n\t\t */\n\n\t\t/**\n\t\t * The name of the {@link module:ui/template~TemplateBinding#observable observed attribute}.\n\t\t *\n\t\t * @member {String} module:ui/template~TemplateBinding#attribute\n\t\t */\n\n\t\t/**\n\t\t * A custom function to process the value of the {@link module:ui/template~TemplateBinding#attribute}.\n\t\t *\n\t\t * @member {Function} [module:ui/template~TemplateBinding#callback]\n\t\t */\n\t}\n\n\t/**\n\t * Returns the value of the binding. It is the value of the {@link module:ui/template~TemplateBinding#attribute} in\n\t * {@link module:ui/template~TemplateBinding#observable}. The value may be processed by the\n\t * {@link module:ui/template~TemplateBinding#callback}, if such has been passed to the binding.\n\t *\n\t * @param {Node} [node] A native DOM node, passed to the custom {@link module:ui/template~TemplateBinding#callback}.\n\t * @returns {*} The value of {@link module:ui/template~TemplateBinding#attribute} in\n\t * {@link module:ui/template~TemplateBinding#observable}.\n\t */\n\tgetValue( node ) {\n\t\tconst value = this.observable[ this.attribute ];\n\n\t\treturn this.callback ? this.callback( value, node ) : value;\n\t}\n\n\t/**\n\t * Activates the listener which waits for changes of the {@link module:ui/template~TemplateBinding#attribute} in\n\t * {@link module:ui/template~TemplateBinding#observable}, then updates the DOM with the aggregated\n\t * value of {@link module:ui/template~TemplateValueSchema}.\n\t *\n\t * @param {module:ui/template~TemplateValueSchema} schema A full schema to generate an attribute or text in the DOM.\n\t * @param {Function} updater A DOM updater function used to update the native DOM attribute or text.\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t * @returns {Function} A function to sever the listener binding.\n\t */\n\tactivateAttributeListener( schema, updater, data ) {\n\t\tconst callback = () => syncValueSchemaValue( schema, updater, data );\n\n\t\tthis.emitter.listenTo( this.observable, 'change:' + this.attribute, callback );\n\n\t\t// Allows revert of the listener.\n\t\treturn () => {\n\t\t\tthis.emitter.stopListening( this.observable, 'change:' + this.attribute, callback );\n\t\t};\n\t}\n}\n\n/**\n * Describes either:\n *\n * * a binding to an {@link module:utils/observablemixin~Observable},\n * * or a native DOM event binding.\n *\n * It is created by the {@link module:ui/template~BindChain#to} method.\n *\n * @protected\n */\nexport class TemplateToBinding extends TemplateBinding {\n\t/**\n\t * Activates the listener for the native DOM event, which when fired, is propagated by\n\t * the {@link module:ui/template~TemplateBinding#emitter}.\n\t *\n\t * @param {String} domEvtName The name of the native DOM event.\n\t * @param {String} domSelector The selector in the DOM to filter delegated events.\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t * @returns {Function} A function to sever the listener binding.\n\t */\n\tactivateDomEventListener( domEvtName, domSelector, data ) {\n\t\tconst callback = ( evt, domEvt ) => {\n\t\t\tif ( !domSelector || domEvt.target.matches( domSelector ) ) {\n\t\t\t\tif ( typeof this.eventNameOrFunction == 'function' ) {\n\t\t\t\t\tthis.eventNameOrFunction( domEvt );\n\t\t\t\t} else {\n\t\t\t\t\tthis.observable.fire( this.eventNameOrFunction, domEvt );\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\n\t\tthis.emitter.listenTo( data.node, domEvtName, callback );\n\n\t\t// Allows revert of the listener.\n\t\treturn () => {\n\t\t\tthis.emitter.stopListening( data.node, domEvtName, callback );\n\t\t};\n\t}\n}\n\n/**\n * Describes a binding to {@link module:utils/observablemixin~ObservableMixin} created by the {@link module:ui/template~BindChain#if}\n * method.\n *\n * @protected\n */\nexport class TemplateIfBinding extends TemplateBinding {\n\t/**\n\t * @inheritDoc\n\t */\n\tgetValue( node ) {\n\t\tconst value = super.getValue( node );\n\n\t\treturn isFalsy( value ) ? false : ( this.valueIfTrue || true );\n\t}\n\n\t/**\n\t * The value of the DOM attribute or text to be set if the {@link module:ui/template~TemplateBinding#attribute} in\n\t * {@link module:ui/template~TemplateBinding#observable} is `true`.\n\t *\n\t * @member {String} [module:ui/template~TemplateIfBinding#valueIfTrue]\n\t */\n}\n\n// Checks whether given {@link module:ui/template~TemplateValueSchema} contains a\n// {@link module:ui/template~TemplateBinding}.\n//\n// @param {module:ui/template~TemplateValueSchema} schema\n// @returns {Boolean}\nfunction hasTemplateBinding( schema ) {\n\tif ( !schema ) {\n\t\treturn false;\n\t}\n\n\t// Normalize attributes with additional data like namespace:\n\t//\n\t//\t\tclass: {\n\t//\t\t\tns: 'abc',\n\t//\t\t\tvalue: [ ... ]\n\t//\t\t}\n\t//\n\tif ( schema.value ) {\n\t\tschema = schema.value;\n\t}\n\n\tif ( Array.isArray( schema ) ) {\n\t\treturn schema.some( hasTemplateBinding );\n\t} else if ( schema instanceof TemplateBinding ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n// Assembles the value using {@link module:ui/template~TemplateValueSchema} and stores it in a form of\n// an Array. Each entry of the Array corresponds to one of {@link module:ui/template~TemplateValueSchema}\n// items.\n//\n// @param {module:ui/template~TemplateValueSchema} schema\n// @param {Node} node DOM Node updated when {@link module:utils/observablemixin~ObservableMixin} changes.\n// @returns {Array}\nfunction getValueSchemaValue( schema, node ) {\n\treturn schema.map( schemaItem => {\n\t\t// Process {@link module:ui/template~TemplateBinding} bindings.\n\t\tif ( schemaItem instanceof TemplateBinding ) {\n\t\t\treturn schemaItem.getValue( node );\n\t\t}\n\n\t\t// All static values like strings, numbers, and \"falsy\" values (false, null, undefined, '', etc.) just pass.\n\t\treturn schemaItem;\n\t} );\n}\n\n// A function executed each time the bound Observable attribute changes, which updates the DOM with a value\n// constructed from {@link module:ui/template~TemplateValueSchema}.\n//\n// @param {module:ui/template~TemplateValueSchema} schema\n// @param {Function} updater A function which updates the DOM (like attribute or text).\n// @param {Node} node DOM Node updated when {@link module:utils/observablemixin~ObservableMixin} changes.\nfunction syncValueSchemaValue( schema, updater, { node } ) {\n\tlet value = getValueSchemaValue( schema, node );\n\n\t// Check if schema is a single Template.bind.if, like:\n\t//\n\t//\t\tclass: Template.bind.if( 'foo' )\n\t//\n\tif ( schema.length == 1 && schema[ 0 ] instanceof TemplateIfBinding ) {\n\t\tvalue = value[ 0 ];\n\t} else {\n\t\tvalue = value.reduce( arrayValueReducer, '' );\n\t}\n\n\tif ( isFalsy( value ) ) {\n\t\tupdater.remove();\n\t} else {\n\t\tupdater.set( value );\n\t}\n}\n\n// Returns an object consisting of `set` and `remove` functions, which\n// can be used in the context of DOM Node to set or reset `textContent`.\n// @see module:ui/view~View#_bindToObservable\n//\n// @param {Node} node DOM Node to be modified.\n// @returns {Object}\nfunction getTextUpdater( node ) {\n\treturn {\n\t\tset( value ) {\n\t\t\tnode.textContent = value;\n\t\t},\n\n\t\tremove() {\n\t\t\tnode.textContent = '';\n\t\t}\n\t};\n}\n\n// Returns an object consisting of `set` and `remove` functions, which\n// can be used in the context of DOM Node to set or reset an attribute.\n// @see module:ui/view~View#_bindToObservable\n//\n// @param {Node} node DOM Node to be modified.\n// @param {String} attrName Name of the attribute to be modified.\n// @param {String} [ns=null] Namespace to use.\n// @returns {Object}\nfunction getAttributeUpdater( el, attrName, ns ) {\n\treturn {\n\t\tset( value ) {\n\t\t\tel.setAttributeNS( ns, attrName, value );\n\t\t},\n\n\t\tremove() {\n\t\t\tel.removeAttributeNS( ns, attrName );\n\t\t}\n\t};\n}\n\n// Returns an object consisting of `set` and `remove` functions, which\n// can be used in the context of CSSStyleDeclaration to set or remove a style.\n// @see module:ui/view~View#_bindToObservable\n//\n// @param {Node} node DOM Node to be modified.\n// @param {String} styleName Name of the style to be modified.\n// @returns {Object}\nfunction getStyleUpdater( el, styleName ) {\n\treturn {\n\t\tset( value ) {\n\t\t\tel.style[ styleName ] = value;\n\t\t},\n\n\t\tremove() {\n\t\t\tel.style[ styleName ] = null;\n\t\t}\n\t};\n}\n\n// Clones definition of the template.\n//\n// @param {module:ui/template~TemplateDefinition} def\n// @returns {module:ui/template~TemplateDefinition}\nfunction clone( def ) {\n\tconst clone = cloneDeepWith( def, value => {\n\t\t// Don't clone the `Template.bind`* bindings because of the references to Observable\n\t\t// and DomEmitterMixin instances inside, which would also be traversed and cloned by greedy\n\t\t// cloneDeepWith algorithm. There's no point in cloning Observable/DomEmitterMixins\n\t\t// along with the definition.\n\t\t//\n\t\t// Don't clone Template instances if provided as a child. They're simply #render()ed\n\t\t// and nothing should interfere.\n\t\t//\n\t\t// Also don't clone View instances if provided as a child of the Template. The template\n\t\t// instance will be extracted from the View during the normalization and there's no need\n\t\t// to clone it.\n\t\tif ( value && ( value instanceof TemplateBinding || isTemplate( value ) || isView( value ) || isViewCollection( value ) ) ) {\n\t\t\treturn value;\n\t\t}\n\t} );\n\n\treturn clone;\n}\n\n// Normalizes given {@link module:ui/template~TemplateDefinition}.\n//\n// See:\n//  * {@link normalizeAttributes}\n//  * {@link normalizeListeners}\n//  * {@link normalizePlainTextDefinition}\n//  * {@link normalizeTextDefinition}\n//\n// @param {module:ui/template~TemplateDefinition} def\n// @returns {module:ui/template~TemplateDefinition} Normalized definition.\nfunction normalize( def ) {\n\tif ( typeof def == 'string' ) {\n\t\tdef = normalizePlainTextDefinition( def );\n\t} else if ( def.text ) {\n\t\tnormalizeTextDefinition( def );\n\t}\n\n\tif ( def.on ) {\n\t\tdef.eventListeners = normalizeListeners( def.on );\n\n\t\t// Template mixes EmitterMixin, so delete #on to avoid collision.\n\t\tdelete def.on;\n\t}\n\n\tif ( !def.text ) {\n\t\tif ( def.attributes ) {\n\t\t\tnormalizeAttributes( def.attributes );\n\t\t}\n\n\t\tconst children = [];\n\n\t\tif ( def.children ) {\n\t\t\tif ( isViewCollection( def.children ) ) {\n\t\t\t\tchildren.push( def.children );\n\t\t\t} else {\n\t\t\t\tfor ( const child of def.children ) {\n\t\t\t\t\tif ( isTemplate( child ) || isView( child ) || isNode( child ) ) {\n\t\t\t\t\t\tchildren.push( child );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tchildren.push( new Template( child ) );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tdef.children = children;\n\t}\n\n\treturn def;\n}\n\n// Normalizes \"attributes\" section of {@link module:ui/template~TemplateDefinition}.\n//\n//\t\tattributes: {\n//\t\t\ta: 'bar',\n//\t\t\tb: {@link module:ui/template~TemplateBinding},\n//\t\t\tc: {\n//\t\t\t\tvalue: 'bar'\n//\t\t\t}\n//\t\t}\n//\n// becomes\n//\n//\t\tattributes: {\n//\t\t\ta: [ 'bar' ],\n//\t\t\tb: [ {@link module:ui/template~TemplateBinding} ],\n//\t\t\tc: {\n//\t\t\t\tvalue: [ 'bar' ]\n//\t\t\t}\n//\t\t}\n//\n// @param {Object} attributes\nfunction normalizeAttributes( attributes ) {\n\tfor ( const a in attributes ) {\n\t\tif ( attributes[ a ].value ) {\n\t\t\tattributes[ a ].value = toArray( attributes[ a ].value );\n\t\t}\n\n\t\tarrayify( attributes, a );\n\t}\n}\n\n// Normalizes \"on\" section of {@link module:ui/template~TemplateDefinition}.\n//\n//\t\ton: {\n//\t\t\ta: 'bar',\n//\t\t\tb: {@link module:ui/template~TemplateBinding},\n//\t\t\tc: [ {@link module:ui/template~TemplateBinding}, () => { ... } ]\n//\t\t}\n//\n// becomes\n//\n//\t\ton: {\n//\t\t\ta: [ 'bar' ],\n//\t\t\tb: [ {@link module:ui/template~TemplateBinding} ],\n//\t\t\tc: [ {@link module:ui/template~TemplateBinding}, () => { ... } ]\n//\t\t}\n//\n// @param {Object} listeners\n// @returns {Object} Object containing normalized listeners.\nfunction normalizeListeners( listeners ) {\n\tfor ( const l in listeners ) {\n\t\tarrayify( listeners, l );\n\t}\n\n\treturn listeners;\n}\n\n// Normalizes \"string\" {@link module:ui/template~TemplateDefinition}.\n//\n//\t\t\"foo\"\n//\n// becomes\n//\n//\t\t{ text: [ 'foo' ] },\n//\n// @param {String} def\n// @returns {module:ui/template~TemplateDefinition} Normalized template definition.\nfunction normalizePlainTextDefinition( def ) {\n\treturn {\n\t\ttext: [ def ]\n\t};\n}\n\n// Normalizes text {@link module:ui/template~TemplateDefinition}.\n//\n//\t\tchildren: [\n//\t\t\t{ text: 'def' },\n//\t\t\t{ text: {@link module:ui/template~TemplateBinding} }\n//\t\t]\n//\n// becomes\n//\n//\t\tchildren: [\n//\t\t\t{ text: [ 'def' ] },\n//\t\t\t{ text: [ {@link module:ui/template~TemplateBinding} ] }\n//\t\t]\n//\n// @param {module:ui/template~TemplateDefinition} def\nfunction normalizeTextDefinition( def ) {\n\tdef.text = toArray( def.text );\n}\n\n// Wraps an entry in Object in an Array, if not already one.\n//\n//\t\t{\n//\t\t\tx: 'y',\n//\t\t\ta: [ 'b' ]\n//\t\t}\n//\n// becomes\n//\n//\t\t{\n//\t\t\tx: [ 'y' ],\n//\t\t\ta: [ 'b' ]\n//\t\t}\n//\n// @param {Object} obj\n// @param {String} key\nfunction arrayify( obj, key ) {\n\tobj[ key ] = toArray( obj[ key ] );\n}\n\n// A helper which concatenates the value avoiding unwanted\n// leading white spaces.\n//\n// @param {String} prev\n// @param {String} cur\n// @returns {String}\nfunction arrayValueReducer( prev, cur ) {\n\tif ( isFalsy( cur ) ) {\n\t\treturn prev;\n\t} else if ( isFalsy( prev ) ) {\n\t\treturn cur;\n\t} else {\n\t\treturn `${ prev } ${ cur }`;\n\t}\n}\n\n// Extends one object defined in the following format:\n//\n//\t\t{\n//\t\t\tkey1: [Array1],\n//\t\t\tkey2: [Array2],\n//\t\t\t...\n//\t\t\tkeyN: [ArrayN]\n//\t\t}\n//\n// with another object of the same data format.\n//\n// @param {Object} obj Base object.\n// @param {Object} ext Object extending base.\n// @returns {String}\nfunction extendObjectValueArray( obj, ext ) {\n\tfor ( const a in ext ) {\n\t\tif ( obj[ a ] ) {\n\t\t\tobj[ a ].push( ...ext[ a ] );\n\t\t} else {\n\t\t\tobj[ a ] = ext[ a ];\n\t\t}\n\t}\n}\n\n// A helper for {@link module:ui/template~Template#extend}. Recursively extends {@link module:ui/template~Template} instance\n// with content from {@link module:ui/template~TemplateDefinition}. See {@link module:ui/template~Template#extend} to learn more.\n//\n// @param {module:ui/template~Template} def A template instance to be extended.\n// @param {module:ui/template~TemplateDefinition} def A definition which is to extend the template instance.\n// @param {Object} Error context.\nfunction extendTemplate( template, def ) {\n\tif ( def.attributes ) {\n\t\tif ( !template.attributes ) {\n\t\t\ttemplate.attributes = {};\n\t\t}\n\n\t\textendObjectValueArray( template.attributes, def.attributes );\n\t}\n\n\tif ( def.eventListeners ) {\n\t\tif ( !template.eventListeners ) {\n\t\t\ttemplate.eventListeners = {};\n\t\t}\n\n\t\textendObjectValueArray( template.eventListeners, def.eventListeners );\n\t}\n\n\tif ( def.text ) {\n\t\ttemplate.text.push( ...def.text );\n\t}\n\n\tif ( def.children && def.children.length ) {\n\t\tif ( template.children.length != def.children.length ) {\n\t\t\t/**\n\t\t\t * The number of children in extended definition does not match.\n\t\t\t *\n\t\t\t * @error ui-template-extend-children-mismatch\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'ui-template-extend-children-mismatch',\n\t\t\t\ttemplate\n\t\t\t);\n\t\t}\n\n\t\tlet childIndex = 0;\n\n\t\tfor ( const childDef of def.children ) {\n\t\t\textendTemplate( template.children[ childIndex++ ], childDef );\n\t\t}\n\t}\n}\n\n// Checks if value is \"falsy\".\n// Note: 0 (Number) is not \"falsy\" in this context.\n//\n// @private\n// @param {*} value Value to be checked.\nfunction isFalsy( value ) {\n\treturn !value && value !== 0;\n}\n\n// Checks if the item is an instance of {@link module:ui/view~View}\n//\n// @private\n// @param {*} value Value to be checked.\nfunction isView( item ) {\n\treturn item instanceof View;\n}\n\n// Checks if the item is an instance of {@link module:ui/template~Template}\n//\n// @private\n// @param {*} value Value to be checked.\nfunction isTemplate( item ) {\n\treturn item instanceof Template;\n}\n\n// Checks if the item is an instance of {@link module:ui/viewcollection~ViewCollection}\n//\n// @private\n// @param {*} value Value to be checked.\nfunction isViewCollection( item ) {\n\treturn item instanceof ViewCollection;\n}\n\n// Creates an empty skeleton for {@link module:ui/template~Template#revert}\n// data.\n//\n// @private\nfunction getEmptyRevertData() {\n\treturn {\n\t\tchildren: [],\n\t\tbindings: [],\n\t\tattributes: {}\n\t};\n}\n\n// Checks whether an attribute should be extended when\n// {@link module:ui/template~Template#apply} is called.\n//\n// @private\n// @param {String} attrName Attribute name to check.\nfunction shouldExtend( attrName ) {\n\treturn attrName == 'class' || attrName == 'style';\n}\n\n/**\n * A definition of the {@link module:ui/template~Template}. It describes what kind of\n * node a template will render (HTML element or text), attributes of an element, DOM event\n * listeners and children.\n *\n * Also see:\n * * {@link module:ui/template~TemplateValueSchema} to learn about HTML element attributes,\n * * {@link module:ui/template~TemplateListenerSchema} to learn about DOM event listeners.\n *\n * A sample definition on an HTML element can look like this:\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\tchildren: [\n *\t\t\t\t{\n *\t\t\t\t\ttag: 'span',\n *\t\t\t\t\tattributes: { ... },\n *\t\t\t\t\tchildren: [ ... ],\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\ttext: 'static–text'\n *\t\t\t\t},\n *\t\t\t\t'also-static–text',\n *\t\t\t],\n *\t\t\tattributes: {\n *\t\t\t\tclass: {@link module:ui/template~TemplateValueSchema},\n *\t\t\t\tid: {@link module:ui/template~TemplateValueSchema},\n *\t\t\t\tstyle: {@link module:ui/template~TemplateValueSchema}\n *\n *\t\t\t\t// ...\n *\t\t\t},\n *\t\t\ton: {\n *\t\t\t\t'click': {@link module:ui/template~TemplateListenerSchema}\n *\n *\t\t\t\t// Document.querySelector format is also accepted.\n *\t\t\t\t'keyup@a.some-class': {@link module:ui/template~TemplateListenerSchema}\n *\n *\t\t\t\t// ...\n *\t\t\t}\n *\t\t} );\n *\n * A {@link module:ui/view~View}, another {@link module:ui/template~Template} or a native DOM node\n * can also become a child of a template. When a view is passed, its {@link module:ui/view~View#element} is used:\n *\n *\t\tconst view = new SomeView();\n *\t\tconst childTemplate = new Template( { ... } );\n *\t\tconst childNode = document.createElement( 'b' );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\n *\t\t\tchildren: [\n *\t\t\t\t// view#element will be added as a child of this <p>.\n *\t\t\t\tview,\n *\n * \t\t\t\t// The output of childTemplate.render() will be added here.\n *\t\t\t\tchildTemplate,\n *\n *\t\t\t\t// Native DOM nodes are included directly in the rendered output.\n *\t\t\t\tchildNode\n *\t\t\t]\n *\t\t} );\n *\n * An entire {@link module:ui/viewcollection~ViewCollection} can be used as a child in the definition:\n *\n *\t\tconst collection = new ViewCollection();\n *\t\tcollection.add( someView );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\n *\t\t\tchildren: collection\n *\t\t} );\n *\n * @typedef module:ui/template~TemplateDefinition\n * @type Object\n *\n * @property {String} tag See the template {@link module:ui/template~Template#tag} property.\n *\n * @property {Array.<module:ui/template~TemplateDefinition>} [children]\n * See the template {@link module:ui/template~Template#children} property.\n *\n * @property {Object.<String, module:ui/template~TemplateValueSchema>} [attributes]\n * See the template {@link module:ui/template~Template#attributes} property.\n *\n * @property {String|module:ui/template~TemplateValueSchema|Array.<String|module:ui/template~TemplateValueSchema>} [text]\n * See the template {@link module:ui/template~Template#text} property.\n *\n * @property {Object.<String, module:ui/template~TemplateListenerSchema>} [on]\n * See the template {@link module:ui/template~Template#eventListeners} property.\n */\n\n/**\n * Describes a value of an HTML element attribute or `textContent`. It allows combining multiple\n * data sources like static values and {@link module:utils/observablemixin~Observable} attributes.\n *\n * Also see:\n * * {@link module:ui/template~TemplateDefinition} to learn where to use it,\n * * {@link module:ui/template~Template.bind} to learn how to configure\n * {@link module:utils/observablemixin~Observable} attribute bindings,\n * * {@link module:ui/template~Template#render} to learn how to render a template,\n * * {@link module:ui/template~BindChain#to `to()`} and {@link module:ui/template~BindChain#if `if()`}\n * methods to learn more about bindings.\n *\n * Attribute values can be described in many different ways:\n *\n *\t\t// Bind helper will create bindings to attributes of the observable.\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\tattributes: {\n *\t\t\t\t// A plain string schema.\n *\t\t\t\t'class': 'static-text',\n *\n *\t\t\t\t// An object schema, binds to the \"foo\" attribute of the\n *\t\t\t\t// observable and follows its value.\n *\t\t\t\t'class': bind.to( 'foo' ),\n *\n *\t\t\t\t// An array schema, combines the above.\n *\t\t\t\t'class': [\n *\t\t\t\t\t'static-text',\n *\t\t\t\t\tbind.to( 'bar', () => { ... } ),\n *\n * \t\t\t\t\t// Bindings can also be conditional.\n *\t\t\t\t\tbind.if( 'baz', 'class-when-baz-is-true' )\n *\t\t\t\t],\n *\n *\t\t\t\t// An array schema, with a custom namespace, e.g. useful for creating SVGs.\n *\t\t\t\t'class': {\n *\t\t\t\t\tns: 'http://ns.url',\n *\t\t\t\t\tvalue: [\n *\t\t\t\t\t\tbind.if( 'baz', 'value-when-true' ),\n *\t\t\t\t\t\t'static-text'\n *\t\t\t\t\t]\n *\t\t\t\t},\n *\n *\t\t\t\t// An object schema, specific for styles.\n *\t\t\t\tstyle: {\n *\t\t\t\t\tcolor: 'red',\n *\t\t\t\t\tbackgroundColor: bind.to( 'qux', () => { ... } )\n *\t\t\t\t}\n *\t\t\t}\n *\t\t} );\n *\n * Text nodes can also have complex values:\n *\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\t// Will render a \"foo\" text node.\n *\t\tnew Template( {\n *\t\t\ttext: 'foo'\n *\t\t} );\n *\n *\t\t// Will render a \"static text: {observable.foo}\" text node.\n *\t\t// The text of the node will be updated as the \"foo\" attribute changes.\n *\t\tnew Template( {\n *\t\t\ttext: [\n *\t\t\t\t'static text: ',\n *\t\t\t\tbind.to( 'foo', () => { ... } )\n *\t\t\t]\n *\t\t} );\n *\n * @typedef module:ui/template~TemplateValueSchema\n * @type {Object|String|Array}\n */\n\n/**\n * Describes an event listener attached to an HTML element. Such listener can propagate DOM events\n * through an {@link module:utils/observablemixin~Observable} instance, execute custom callbacks\n * or both, if necessary.\n *\n * Also see:\n * * {@link module:ui/template~TemplateDefinition} to learn more about template definitions,\n * * {@link module:ui/template~BindChain#to `to()`} method to learn more about bindings.\n *\n * Check out different ways of attaching event listeners below:\n *\n *\t\t// Bind helper will propagate events through the observable.\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\ton: {\n *\t\t\t\t// An object schema. The observable will fire the \"clicked\" event upon DOM \"click\".\n *\t\t\t\tclick: bind.to( 'clicked' )\n *\n *\t\t\t\t// An object schema. It will work for \"click\" event on \"a.foo\" children only.\n *\t\t\t\t'click@a.foo': bind.to( 'clicked' )\n *\n *\t\t\t\t// An array schema, makes the observable propagate multiple events.\n *\t\t\t\tclick: [\n *\t\t\t\t\tbind.to( 'clicked' ),\n *\t\t\t\t\tbind.to( 'executed' )\n *\t\t\t\t],\n *\n *\t\t\t\t// An array schema with a custom callback.\n *\t\t\t\t'click@a.foo': {\n *\t\t\t\t\tbind.to( 'clicked' ),\n *\t\t\t\t\tbind.to( evt => {\n *\t\t\t\t\t\tconsole.log( `${ evt.target } has been clicked!` );\n *\t\t\t\t\t} }\n *\t\t\t\t}\n *\t\t\t}\n *\t\t} );\n *\n * @typedef module:ui/template~TemplateListenerSchema\n * @type {Object|String|Array}\n */\n\n/**\n * The return value of {@link ~Template.bind `Template.bind()`}. It provides `to()` and `if()`\n * methods to create the {@link module:utils/observablemixin~Observable observable} attribute and event bindings.\n *\n * @interface module:ui/template~BindChain\n */\n\n/**\n * Binds an {@link module:utils/observablemixin~Observable observable} to either:\n *\n * * an HTML element attribute or a text node `textContent`, so it remains in sync with the observable\n * attribute as it changes,\n * * or an HTML element DOM event, so the DOM events are propagated through an observable.\n *\n * Some common use cases of `to()` bindings are presented below:\n *\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\tattributes: {\n *\t\t\t\t// class=\"...\" attribute gets bound to `observable#a`\n *\t\t\t\tclass: bind.to( 'a' )\n *\t\t\t},\n *\t\t\tchildren: [\n *\t\t\t\t// <p>...</p> gets bound to observable#b; always `toUpperCase()`.\n *\t\t\t\t{\n *\t\t\t\t\ttext: bind.to( 'b', ( value, node ) => value.toUpperCase() )\n *\t\t\t\t}\n *\t\t\t],\n *\t\t\ton: {\n *\t\t\t\tclick: [\n *\t\t\t\t\t// An observable will fire \"clicked\" upon \"click\" in the DOM.\n *\t\t\t\t\tbind.to( 'clicked' ),\n *\n *\t\t\t\t\t// A custom callback will be executed upon \"click\" in the DOM.\n *\t\t\t\t\tbind.to( () => {\n *\t\t\t\t\t\t...\n *\t\t\t\t\t} )\n *\t\t\t\t]\n *\t\t\t}\n *\t\t} ).render();\n *\n * Learn more about using `to()` in the {@link module:ui/template~TemplateValueSchema} and\n * {@link module:ui/template~TemplateListenerSchema}.\n *\n * @method #to\n * @param {String|Function} eventNameOrFunctionOrAttribute An attribute name of\n * {@link module:utils/observablemixin~Observable} or a DOM event name or an event callback.\n * @param {Function} [callback] Allows for processing of the value. Accepts `Node` and `value` as arguments.\n * @returns {module:ui/template~TemplateBinding}\n */\n\n/**\n * Binds an {@link module:utils/observablemixin~Observable observable} to an HTML element attribute or a text\n * node `textContent` so it remains in sync with the observable attribute as it changes.\n *\n * Unlike {@link module:ui/template~BindChain#to}, it controls the presence of the attribute or `textContent`\n * depending on the \"falseness\" of an {@link module:utils/observablemixin~Observable} attribute.\n *\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'input',\n *\t\t\tattributes: {\n *\t\t\t\t// <input checked> when `observable#a` is not undefined/null/false/''\n *\t\t\t\t// <input> when `observable#a` is undefined/null/false\n *\t\t\t\tchecked: bind.if( 'a' )\n *\t\t\t},\n *\t\t\tchildren: [\n *\t\t\t\t{\n *\t\t\t\t\t// <input>\"b-is-not-set\"</input> when `observable#b` is undefined/null/false/''\n *\t\t\t\t\t// <input></input> when `observable#b` is not \"falsy\"\n *\t\t\t\t\ttext: bind.if( 'b', 'b-is-not-set', ( value, node ) => !value )\n *\t\t\t\t}\n *\t\t\t]\n *\t\t} ).render();\n *\n * Learn more about using `if()` in the {@link module:ui/template~TemplateValueSchema}.\n *\n * @method #if\n * @param {String} attribute An attribute name of {@link module:utils/observablemixin~Observable} used in the binding.\n * @param {String} [valueIfTrue] Value set when the {@link module:utils/observablemixin~Observable} attribute is not\n * undefined/null/false/'' (empty string).\n * @param {Function} [callback] Allows for processing of the value. Accepts `Node` and `value` as arguments.\n * @returns {module:ui/template~TemplateBinding}\n */\n\n/**\n * The {@link module:ui/template~Template#_renderNode} configuration.\n *\n * @private\n * @interface module:ui/template~RenderData\n */\n\n/**\n * Tells {@link module:ui/template~Template#_renderNode} to render\n * children into `DocumentFragment` first and then append the fragment\n * to the parent element. It is a speed optimization.\n *\n * @member {Boolean} #intoFragment\n */\n\n/**\n * A node which is being rendered.\n *\n * @member {HTMLElement|Text} #node\n */\n\n/**\n * Indicates whether the {@module:ui/template~RenderNodeOptions#node} has\n * been provided by {@module:ui/template~Template#apply}.\n *\n * @member {Boolean} #isApplying\n */\n\n/**\n * An object storing the data that helps {@module:ui/template~Template#revert}\n * bringing back an element to its initial state, i.e. before\n * {@module:ui/template~Template#apply} was called.\n *\n * @member {Object} #revertData\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/view\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport ViewCollection from './viewcollection';\nimport Template from './template';\nimport DomEmitterMixin from '@ckeditor/ckeditor5-utils/src/dom/emittermixin';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\n\nimport '../theme/globals/globals.css';\n\n/**\n * The basic view class, which represents an HTML element created out of a\n * {@link module:ui/view~View#template}. Views are building blocks of the user interface and handle\n * interaction\n *\n * Views {@link module:ui/view~View#registerChild aggregate} children in\n * {@link module:ui/view~View#createCollection collections} and manage the life cycle of DOM\n * listeners e.g. by handling rendering and destruction.\n *\n * See the {@link module:ui/template~TemplateDefinition} syntax to learn more about shaping view\n * elements, attributes and listeners.\n *\n *\t\tclass SampleView extends View {\n *\t\t\tconstructor( locale ) {\n *\t\t\t\tsuper( locale );\n *\n *\t\t\t\tconst bind = this.bindTemplate;\n *\n *\t\t\t\t// Views define their interface (state) using observable attributes.\n *\t\t\t\tthis.set( 'elementClass', 'bar' );\n *\n *\t\t\t\tthis.setTemplate( {\n *\t\t\t\t\ttag: 'p',\n *\n *\t\t\t\t\t// The element of the view can be defined with its children.\n *\t\t\t\t\tchildren: [\n *\t\t\t\t\t\t'Hello',\n *\t\t\t\t\t\t{\n *\t\t\t\t\t\t\ttag: 'b',\n *\t\t\t\t\t\t\tchildren: [ 'world!' ]\n *\t\t\t\t\t\t}\n *\t\t\t\t\t],\n *\t\t\t\t\tattributes: {\n *\t\t\t\t\t\tclass: [\n *\t\t\t\t\t\t\t'foo',\n *\n *\t\t\t\t\t\t\t// Observable attributes control the state of the view in DOM.\n *\t\t\t\t\t\t\tbind.to( 'elementClass' )\n *\t\t\t\t\t\t]\n *\t\t\t\t\t},\n *\t\t\t\t\ton: {\n *\t\t\t\t\t\t// Views listen to DOM events and propagate them.\n *\t\t\t\t\t\tclick: bind.to( 'clicked' )\n *\t\t\t\t\t}\n *\t\t\t\t} );\n *\t\t\t}\n *\t\t}\n *\n *\t\tconst view = new SampleView( locale );\n *\n *\t\tview.render();\n *\n *\t\t// Append <p class=\"foo bar\">Hello<b>world</b></p> to the <body>\n *\t\tdocument.body.appendChild( view.element );\n *\n *\t\t// Change the class attribute to <p class=\"foo baz\">Hello<b>world</b></p>\n *\t\tview.elementClass = 'baz';\n *\n *\t\t// Respond to the \"click\" event in DOM by executing a custom action.\n *\t\tview.on( 'clicked', () => {\n *\t\t\tconsole.log( 'The view has been clicked!' );\n *\t\t} );\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class View {\n\t/**\n\t * Creates an instance of the {@link module:ui/view~View} class.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t */\n\tconstructor( locale ) {\n\t\t/**\n\t\t * An HTML element of the view. `null` until {@link #render rendered}\n\t\t * from the {@link #template}.\n\t\t *\n\t\t *\t\tclass SampleView extends View {\n\t\t *\t\t\tconstructor() {\n\t\t *\t\t\t\tsuper();\n\t\t *\n\t\t *\t\t\t\t// A template instance the #element will be created from.\n\t\t *\t\t\t\tthis.setTemplate( {\n\t\t *\t\t\t\t\ttag: 'p'\n\t\t *\n\t\t *\t\t\t\t\t// ...\n\t\t *\t\t\t\t} );\n\t\t *\t\t\t}\n\t\t *\t\t}\n\t\t *\n\t\t *\t\tconst view = new SampleView();\n\t\t *\n\t\t *\t\t// Renders the #template.\n\t\t *\t\tview.render();\n\t\t *\n\t\t *\t\t// Append the HTML element of the view to <body>.\n\t\t *\t\tdocument.body.appendChild( view.element );\n\t\t *\n\t\t * **Note**: The element of the view can also be assigned directly:\n\t\t *\n\t\t *\t\tview.element = document.querySelector( '#my-container' );\n\t\t *\n\t\t * @member {HTMLElement}\n\t\t */\n\t\tthis.element = null;\n\n\t\t/**\n\t\t * Set `true` when the view has already been {@link module:ui/view~View#render rendered}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isRendered\n\t\t */\n\t\tthis.isRendered = false;\n\n\t\t/**\n\t\t * A set of tools to localize the user interface.\n\t\t *\n\t\t * Also see {@link module:core/editor/editor~Editor#locale}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/locale~Locale}\n\t\t */\n\t\tthis.locale = locale;\n\n\t\t/**\n\t\t * Shorthand for {@link module:utils/locale~Locale#t}.\n\t\t *\n\t\t * Note: If {@link #locale} instance hasn't been passed to the view this method may not\n\t\t * be available.\n\t\t *\n\t\t * @see module:utils/locale~Locale#t\n\t\t * @method\n\t\t */\n\t\tthis.t = locale && locale.t;\n\n\t\t/**\n\t\t * Collections registered with {@link #createCollection}.\n\t\t *\n\t\t * @protected\n\t\t * @member {Set.<module:ui/viewcollection~ViewCollection>}\n\t\t */\n\t\tthis._viewCollections = new Collection();\n\n\t\t/**\n\t\t * A collection of view instances, which have been added directly\n\t\t * into the {@link module:ui/template~Template#children}.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._unboundChildren = this.createCollection();\n\n\t\t// Pass parent locale to its children.\n\t\tthis._viewCollections.on( 'add', ( evt, collection ) => {\n\t\t\tcollection.locale = locale;\n\t\t} );\n\n\t\t/**\n\t\t * Template of this view. It provides the {@link #element} representing\n\t\t * the view in DOM, which is {@link #render rendered}.\n\t\t *\n\t\t * @member {module:ui/template~Template} #template\n\t\t */\n\n\t\t/**\n\t\t * Cached {@link module:ui/template~BindChain bind chain} object created by the\n\t\t * {@link #template}. See {@link #bindTemplate}.\n\t\t *\n\t\t * @private\n\t\t * @member {Object} #_bindTemplate\n\t\t */\n\n\t\tthis.decorate( 'render' );\n\t}\n\n\t/**\n\t * Shorthand for {@link module:ui/template~Template.bind}, a binding\n\t * {@link module:ui/template~BindChain interface} pre–configured for the view instance.\n\t *\n\t * It provides {@link module:ui/template~BindChain#to `to()`} and\n\t * {@link module:ui/template~BindChain#if `if()`} methods that initialize bindings with\n\t * observable attributes and attach DOM listeners.\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor( locale ) {\n\t *\t\t\t\tsuper( locale );\n\t *\n\t *\t\t\t\tconst bind = this.bindTemplate;\n\t *\n\t *\t\t\t\t// These {@link module:utils/observablemixin~Observable observable} attributes will control\n\t *\t\t\t\t// the state of the view in DOM.\n\t *\t\t\t\tthis.set( {\n\t *\t\t\t\t\telementClass: 'foo',\n\t *\t\t\t\t \tisEnabled: true\n\t *\t\t\t\t } );\n\t *\n\t *\t\t\t\tthis.setTemplate( {\n\t *\t\t\t\t\ttag: 'p',\n\t *\n\t *\t\t\t\t\tattributes: {\n\t *\t\t\t\t\t\t// The class HTML attribute will follow elementClass\n\t *\t\t\t\t\t\t// and isEnabled view attributes.\n\t *\t\t\t\t\t\tclass: [\n\t *\t\t\t\t\t\t\tbind.to( 'elementClass' )\n\t *\t\t\t\t\t\t\tbind.if( 'isEnabled', 'present-when-enabled' )\n\t *\t\t\t\t\t\t]\n\t *\t\t\t\t\t},\n\t *\n\t *\t\t\t\t\ton: {\n\t *\t\t\t\t\t\t// The view will fire the \"clicked\" event upon clicking <p> in DOM.\n\t *\t\t\t\t\t\tclick: bind.to( 'clicked' )\n\t *\t\t\t\t\t}\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * @method #bindTemplate\n\t */\n\tget bindTemplate() {\n\t\tif ( this._bindTemplate ) {\n\t\t\treturn this._bindTemplate;\n\t\t}\n\n\t\treturn ( this._bindTemplate = Template.bind( this, this ) );\n\t}\n\n\t/**\n\t * Creates a new collection of views, which can be used as\n\t * {@link module:ui/template~Template#children} of this view.\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor( locale ) {\n\t *\t\t\t\tsuper( locale );\n\t *\n\t *\t\t\t\tconst child = new ChildView( locale );\n\t *\t\t\t\tthis.items = this.createCollection( [ child ] );\n \t *\n\t *\t\t\t\tthis.setTemplate( {\n\t *\t\t\t\t\ttag: 'p',\n\t *\n\t *\t\t\t\t\t// `items` collection will render here.\n\t *\t\t\t\t\tchildren: this.items\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst view = new SampleView( locale );\n\t *\t\tview.render();\n\t *\n\t *\t\t// It will append <p><child#element></p> to the <body>.\n\t *\t\tdocument.body.appendChild( view.element );\n\t *\n\t * @param {Iterable.<module:ui/view~View>} [views] Initial views of the collection.\n\t * @returns {module:ui/viewcollection~ViewCollection} A new collection of view instances.\n\t */\n\tcreateCollection( views ) {\n\t\tconst collection = new ViewCollection( views );\n\n\t\tthis._viewCollections.add( collection );\n\n\t\treturn collection;\n\t}\n\n\t/**\n\t * Registers a new child view under the view instance. Once registered, a child\n\t * view is managed by its parent, including {@link #render rendering}\n\t * and {@link #destroy destruction}.\n\t *\n\t * To revert this, use {@link #deregisterChild}.\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor( locale ) {\n\t *\t\t\t\tsuper( locale );\n\t *\n\t *\t\t\t\tthis.childA = new SomeChildView( locale );\n\t *\t\t\t\tthis.childB = new SomeChildView( locale );\n\t *\n\t *\t\t\t\tthis.setTemplate( { tag: 'p' } );\n\t *\n\t *\t\t\t\t// Register the children.\n\t *\t\t\t\tthis.registerChild( [ this.childA, this.childB ] );\n\t *\t\t\t}\n\t *\n\t *\t\t\trender() {\n\t *\t\t\t\tsuper.render();\n\t *\n\t *\t\t\t\tthis.element.appendChild( this.childA.element );\n\t *\t\t\t\tthis.element.appendChild( this.childB.element );\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst view = new SampleView( locale );\n\t *\n\t *\t\tview.render();\n\t *\n\t *\t\t// Will append <p><childA#element><b></b><childB#element></p>.\n\t *\t\tdocument.body.appendChild( view.element );\n\t *\n\t * **Note**: There's no need to add child views if they're already referenced in the\n\t * {@link #template}:\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor( locale ) {\n\t *\t\t\t\tsuper( locale );\n\t *\n\t *\t\t\t\tthis.childA = new SomeChildView( locale );\n\t *\t\t\t\tthis.childB = new SomeChildView( locale );\n\t *\n\t *\t\t\t\tthis.setTemplate( {\n\t *\t\t\t\t\ttag: 'p',\n\t *\n \t *\t\t\t\t\t// These children will be added automatically. There's no\n \t *\t\t\t\t\t// need to call {@link #registerChild} for any of them.\n\t *\t\t\t\t\tchildren: [ this.childA, this.childB ]\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\n\t *\t\t\t// ...\n\t *\t\t}\n\t *\n\t * @param {module:ui/view~View|Iterable.<module:ui/view~View>} children Children views to be registered.\n\t */\n\tregisterChild( children ) {\n\t\tif ( !isIterable( children ) ) {\n\t\t\tchildren = [ children ];\n\t\t}\n\n\t\tfor ( const child of children ) {\n\t\t\tthis._unboundChildren.add( child );\n\t\t}\n\t}\n\n\t/**\n\t * The opposite of {@link #registerChild}. Removes a child view from this view instance.\n\t * Once removed, the child is no longer managed by its parent, e.g. it can safely\n\t * become a child of another parent view.\n\t *\n\t * @see #registerChild\n\t * @param {module:ui/view~View|Iterable.<module:ui/view~View>} children Child views to be removed.\n\t */\n\tderegisterChild( children ) {\n\t\tif ( !isIterable( children ) ) {\n\t\t\tchildren = [ children ];\n\t\t}\n\n\t\tfor ( const child of children ) {\n\t\t\tthis._unboundChildren.remove( child );\n\t\t}\n\t}\n\n\t/**\n\t * Sets the {@link #template} of the view with with given definition.\n\t *\n\t * A shorthand for:\n\t *\n\t *\t\tview.setTemplate( definition );\n\t *\n\t * @param {module:ui/template~TemplateDefinition} definition Definition of view's template.\n\t */\n\tsetTemplate( definition ) {\n\t\tthis.template = new Template( definition );\n\t}\n\n\t/**\n\t * {@link module:ui/template~Template.extend Extends} the {@link #template} of the view with\n\t * with given definition.\n\t *\n\t * A shorthand for:\n\t *\n\t *\t\tTemplate.extend( view.template, definition );\n\t *\n\t * **Note**: Is requires the {@link #template} to be already set. See {@link #setTemplate}.\n\t *\n\t * @param {module:ui/template~TemplateDefinition} definition Definition which\n\t * extends the {@link #template}.\n\t */\n\textendTemplate( definition ) {\n\t\tTemplate.extend( this.template, definition );\n\t}\n\n\t/**\n\t * Recursively renders the view.\n\t *\n\t * Once the view is rendered:\n\t * * the {@link #element} becomes an HTML element out of {@link #template},\n\t * * the {@link #isRendered} flag is set `true`.\n\t *\n\t * **Note**: The children of the view:\n\t * * defined directly in the {@link #template}\n\t * * residing in collections created by the {@link #createCollection} method,\n\t * * and added by {@link #registerChild}\n\t * are also rendered in the process.\n\t *\n\t * In general, `render()` method is the right place to keep the code which refers to the\n\t * {@link #element} and should be executed at the very beginning of the view's life cycle.\n\t *\n\t * It is possible to {@link module:ui/template~Template.extend} the {@link #template} before\n\t * the view is rendered. To allow an early customization of the view (e.g. by its parent),\n\t * such references should be done in `render()`.\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor() {\n\t *\t\t\t\tthis.setTemplate( {\n\t *\t\t\t\t\t// ...\n\t *\t\t\t\t} );\n\t *\t\t\t},\n\t *\n\t *\t\t\trender() {\n\t *\t\t\t\t// View#element becomes available.\n\t *\t\t\t\tsuper.render();\n\t *\n\t *\t\t\t\t// The \"scroll\" listener depends on #element.\n\t *\t\t\t\tthis.listenTo( window, 'scroll', () => {\n\t *\t\t\t\t\t// A reference to #element would render the #template and make it non-extendable.\n\t *\t\t\t\t\tif ( window.scrollY > 0 ) {\n\t *\t\t\t\t\t\tthis.element.scrollLeft = 100;\n\t *\t\t\t\t\t} else {\n\t *\t\t\t\t\t\tthis.element.scrollLeft = 0;\n\t *\t\t\t\t\t}\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst view = new SampleView();\n\t *\n\t *\t\t// Let's customize the view before it gets rendered.\n\t *\t\tview.extendTemplate( {\n\t *\t\t\tattributes: {\n\t *\t\t\t\tclass: [\n\t *\t\t\t\t\t'additional-class'\n\t *\t\t\t\t]\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Late rendering allows customization of the view.\n\t *\t\tview.render();\n\t */\n\trender() {\n\t\tif ( this.isRendered ) {\n\t\t\t/**\n\t\t\t * This View has already been rendered.\n\t\t\t *\n\t\t\t * @error ui-view-render-already-rendered\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'ui-view-render-already-rendered', this );\n\t\t}\n\n\t\t// Render #element of the view.\n\t\tif ( this.template ) {\n\t\t\tthis.element = this.template.render();\n\n\t\t\t// Auto–register view children from #template.\n\t\t\tthis.registerChild( this.template.getViews() );\n\t\t}\n\n\t\tthis.isRendered = true;\n\t}\n\n\t/**\n\t * Recursively destroys the view instance and child views added by {@link #registerChild} and\n\t * residing in collections created by the {@link #createCollection}.\n\t *\n\t * Destruction disables all event listeners:\n\t * * created on the view, e.g. `view.on( 'event', () => {} )`,\n\t * * defined in the {@link #template} for DOM events.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\n\t\tthis._viewCollections.map( c => c.destroy() );\n\n\t\t// Template isn't obligatory for views.\n\t\tif ( this.template && this.template._revertData ) {\n\t\t\tthis.template.revert( this.element );\n\t\t}\n\t}\n\n\t/**\n\t * Event fired by the {@link #render} method. Actual rendering is executed as a listener to\n\t * this event with the default priority.\n\t *\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * @event render\n\t */\n}\n\nmix( View, DomEmitterMixin );\nmix( View, ObservableMixin );\n","import baseGetTag from './_baseGetTag.js';\nimport isArray from './isArray.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar stringTag = '[object String]';\n\n/**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\nfunction isString(value) {\n  return typeof value == 'string' ||\n    (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n}\n\nexport default isString;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/createelement\n */\n\nimport isIterable from '../isiterable';\nimport { isString } from 'lodash-es';\n\n/**\n * Creates element with attributes and children.\n *\n *\t\tcreateElement( document, 'p' ); // <p>\n *\t\tcreateElement( document, 'p', { class: 'foo' } ); // <p class=\"foo\">\n *\t\tcreateElement( document, 'p', null, 'foo' ); // <p>foo</p>\n *\t\tcreateElement( document, 'p', null, [ 'foo', createElement( document, 'img' ) ] ); // <p>foo<img></p>\n *\n * @param {Document} doc Document used to create element.\n * @param {String} name Name of the element.\n * @param {Object} [attributes] Object keys will become attributes keys and object values will became attributes values.\n * @param {Node|String|Array.<Node|String>} [children] Child or array of children. Strings will be automatically turned\n * into Text nodes.\n * @returns {Element} Created element.\n */\nexport default function createElement( doc, name, attributes = {}, children = [] ) {\n\tconst namespace = attributes && attributes.xmlns;\n\tconst element = namespace ? doc.createElementNS( namespace, name ) : doc.createElement( name );\n\n\tfor ( const key in attributes ) {\n\t\telement.setAttribute( key, attributes[ key ] );\n\t}\n\n\tif ( isString( children ) || !isIterable( children ) ) {\n\t\tchildren = [ children ];\n\t}\n\n\tfor ( let child of children ) {\n\t\tif ( isString( child ) ) {\n\t\t\tchild = doc.createTextNode( child );\n\t\t}\n\n\t\telement.appendChild( child );\n\t}\n\n\treturn element;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/editorui/bodycollection\n */\n\n/* globals document */\n\nimport Template from '../template';\nimport ViewCollection from '../viewcollection';\n\nimport createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement';\n\n/**\n * This is a special {@link module:ui/viewcollection~ViewCollection} dedicated to elements that are detached\n * from the DOM structure of the editor, like panels, icons, etc.\n *\n * The body collection is available in the {@link module:ui/editorui/editoruiview~EditorUIView#body `editor.ui.view.body`} property.\n * Any plugin can add a {@link module:ui/view~View view} to this collection.\n * These views will render in a container placed directly in the `<body>` element.\n * The editor will detach and destroy this collection when the editor will be {@link module:core/editor/editor~Editor#destroy destroyed}.\n *\n * If you need to control the life cycle of the body collection on your own, you can create your own instance of this class.\n *\n * A body collection will render itself automatically in the DOM body element as soon as you call {@link ~BodyCollection#attachToDom}.\n * If you create multiple body collections, this class will create a special wrapper element in the DOM to limit the number of\n * elements created directly in the body and remove it when the last body collection will be\n * {@link ~BodyCollection#detachFromDom detached}.\n *\n * @extends module:ui/viewcollection~ViewCollection\n */\nexport default class BodyCollection extends ViewCollection {\n\t/**\n\t * Creates a new instance of the {@link module:ui/editorui/bodycollection~BodyCollection}.\n\t *\n\t * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor editor's locale} instance.\n\t * @param {Iterable.<module:ui/view~View>} [initialItems] The initial items of the collection.\n\t */\n\tconstructor( locale, initialItems = [] ) {\n\t\tsuper( initialItems );\n\n\t\t/**\n\t\t * The {@link module:core/editor/editor~Editor#locale editor's locale} instance.\n\t\t * See the view {@link module:ui/view~View#locale locale} property.\n\t\t *\n\t\t * @member {module:utils/locale~Locale}\n\t\t */\n\t\tthis.locale = locale;\n\t}\n\n\t/**\n\t * Attaches the body collection to the DOM body element. You need to execute this method to render the content of\n\t * the body collection.\n\t */\n\tattachToDom() {\n\t\t/**\n\t\t * The element holding elements of the body region.\n\t\t *\n\t\t * @protected\n\t\t * @member {HTMLElement} #_bodyCollectionContainer\n\t\t */\n\t\tthis._bodyCollectionContainer = new Template( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-reset_all',\n\t\t\t\t\t'ck-body',\n\t\t\t\t\t'ck-rounded-corners'\n\t\t\t\t],\n\t\t\t\tdir: this.locale.uiLanguageDirection\n\t\t\t},\n\t\t\tchildren: this\n\t\t} ).render();\n\n\t\tlet wrapper = document.querySelector( '.ck-body-wrapper' );\n\n\t\tif ( !wrapper ) {\n\t\t\twrapper = createElement( document, 'div', { class: 'ck-body-wrapper' } );\n\t\t\tdocument.body.appendChild( wrapper );\n\t\t}\n\n\t\twrapper.appendChild( this._bodyCollectionContainer );\n\t}\n\n\t/**\n\t * Detaches the collection from the DOM structure. Use this method when you do not need to use the body collection\n\t * anymore to clean-up the DOM structure.\n\t */\n\tdetachFromDom() {\n\t\tsuper.destroy();\n\n\t\tif ( this._bodyCollectionContainer ) {\n\t\t\tthis._bodyCollectionContainer.remove();\n\t\t}\n\n\t\tconst wrapper = document.querySelector( '.ck-body-wrapper' );\n\n\t\tif ( wrapper && wrapper.childElementCount == 0 ) {\n\t\t\twrapper.remove();\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/editorui/editoruiview\n */\n\nimport View from '../view';\nimport BodyCollection from './bodycollection';\n\nimport '../../theme/components/editorui/editorui.css';\n\n/**\n * The editor UI view class. Base class for the editor main views.\n *\n * @extends module:ui/view~View\n */\nexport default class EditorUIView extends View {\n\t/**\n\t * Creates an instance of the editor UI view class.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The locale instance.\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * Collection of the child views, detached from the DOM\n\t\t * structure of the editor, like panels, icons etc.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection} #body\n\t\t */\n\t\tthis.body = new BodyCollection( locale );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.body.attachToDom();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis.body.detachFromDom();\n\n\t\treturn super.destroy();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/editableui/editableuiview\n */\n\nimport View from '../view';\n\n/**\n * The editable UI view class.\n *\n * @extends module:ui/view~View\n */\nexport default class EditableUIView extends View {\n\t/**\n\t * Creates an instance of EditableUIView class.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The locale instance.\n\t * @param {module:engine/view/view~View} editingView The editing view instance the editable is related to.\n\t * @param {HTMLElement} [editableElement] The editable element. If not specified, this view\n\t * should create it. Otherwise, the existing element should be used.\n\t */\n\tconstructor( locale, editingView, editableElement ) {\n\t\tsuper( locale );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-content',\n\t\t\t\t\t'ck-editor__editable',\n\t\t\t\t\t'ck-rounded-corners'\n\t\t\t\t],\n\t\t\t\tlang: locale.contentLanguage,\n\t\t\t\tdir: locale.contentLanguageDirection\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * The name of the editable UI view.\n\t\t *\n\t\t * @member {String} #name\n\t\t */\n\t\tthis.name = null;\n\n\t\t/**\n\t\t * Controls whether the editable is focused, i.e. the user is typing in it.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * The element which is the main editable element (usually the one with `contentEditable=\"true\"`).\n\t\t *\n\t\t * @private\n\t\t * @type {HTMLElement}\n\t\t */\n\t\tthis._editableElement = editableElement;\n\n\t\t/**\n\t\t * Whether an external {@link #_editableElement} was passed into the constructor, which also means\n\t\t * the view will not render its {@link #template}.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._hasExternalElement = !!this._editableElement;\n\n\t\t/**\n\t\t * The editing view instance the editable is related to. Editable uses the editing\n\t\t * view to dynamically modify its certain DOM attributes after {@link #render rendering}.\n\t\t *\n\t\t * **Note**: The DOM attributes are performed by the editing view and not UI\n\t\t * {@link module:ui/view~View#bindTemplate template bindings} because once rendered,\n\t\t * the editable DOM element must remain under the full control of the engine to work properly.\n\t\t *\n\t\t * @protected\n\t\t * @type {module:engine/view/view~View}\n\t\t */\n\t\tthis._editingView = editingView;\n\t}\n\n\t/**\n\t * Renders the view by either applying the {@link #template} to the existing\n\t * {@link #_editableElement} or assigning {@link #element} as {@link #_editableElement}.\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tif ( this._hasExternalElement ) {\n\t\t\tthis.template.apply( this.element = this._editableElement );\n\t\t} else {\n\t\t\tthis._editableElement = this.element;\n\t\t}\n\n\t\tthis.on( 'change:isFocused', () => this._updateIsFocusedClasses() );\n\t\tthis._updateIsFocusedClasses();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tif ( this._hasExternalElement ) {\n\t\t\tthis.template.revert( this._editableElement );\n\t\t}\n\n\t\tsuper.destroy();\n\t}\n\n\t/**\n\t * Updates the `ck-focused` and `ck-blurred` CSS classes on the {@link #element} according to\n\t * the {@link #isFocused} property value using the {@link #_editingView editing view} API.\n\t *\n\t * @private\n\t */\n\t_updateIsFocusedClasses() {\n\t\tconst editingView = this._editingView;\n\n\t\tif ( editingView.isRenderingInProgress ) {\n\t\t\tupdateAfterRender( this );\n\t\t} else {\n\t\t\tupdate( this );\n\t\t}\n\n\t\tfunction update( view ) {\n\t\t\teditingView.change( writer => {\n\t\t\t\tconst viewRoot = editingView.document.getRoot( view.name );\n\n\t\t\t\twriter.addClass( view.isFocused ? 'ck-focused' : 'ck-blurred', viewRoot );\n\t\t\t\twriter.removeClass( view.isFocused ? 'ck-blurred' : 'ck-focused', viewRoot );\n\t\t\t} );\n\t\t}\n\n\t\t// In a case of a multi-root editor, a callback will be attached more than once (one callback for each root).\n\t\t// While executing one callback the `isRenderingInProgress` observable is changing what causes executing another\n\t\t// callback and render is called inside the already pending render.\n\t\t// We need to be sure that callback is executed only when the value has changed from `true` to `false`.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1676.\n\t\tfunction updateAfterRender( view ) {\n\t\t\teditingView.once( 'change:isRenderingInProgress', ( evt, name, value ) => {\n\t\t\t\tif ( !value ) {\n\t\t\t\t\tupdate( view );\n\t\t\t\t} else {\n\t\t\t\t\tupdateAfterRender( view );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/editableui/inline/inlineeditableuiview\n */\n\nimport EditableUIView from '../../editableui/editableuiview';\n\n/**\n * The inline editable UI class implementing an inline {@link module:ui/editableui/editableuiview~EditableUIView}.\n *\n * @extends module:ui/editableui/editableuiview~EditableUIView\n */\nexport default class InlineEditableUIView extends EditableUIView {\n\t/**\n\t * Creates an instance of the InlineEditableUIView class.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The locale instance.\n\t * @param {module:engine/view/view~View} editingView The editing view instance the editable is related to.\n\t * @param {HTMLElement} [editableElement] The editable element. If not specified, the\n\t * {@link module:ui/editableui/editableuiview~EditableUIView}\n\t * will create it. Otherwise, the existing element will be used.\n\t */\n\tconstructor( locale, editingView, editableElement ) {\n\t\tsuper( locale, editingView, editableElement );\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\trole: 'textbox',\n\t\t\t\tclass: 'ck-editor__editable_inline'\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tconst editingView = this._editingView;\n\t\tconst t = this.t;\n\n\t\teditingView.change( writer => {\n\t\t\tconst viewRoot = editingView.document.getRoot( this.name );\n\n\t\t\twriter.setAttribute( 'aria-label', t( 'Rich Text Editor, %0', this.name ), viewRoot );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/focuscycler\n */\n\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\n\n/**\n * A utility class that helps cycling over focusable {@link module:ui/view~View views} in a\n * {@link module:ui/viewcollection~ViewCollection} when the focus is tracked by the\n * {@link module:utils/focustracker~FocusTracker} instance. It helps implementing keyboard\n * navigation in HTML forms, toolbars, lists and the like.\n *\n * To work properly it requires:\n * * a collection of focusable (HTML `tabindex` attribute) views that implement the `focus()` method,\n * * an associated focus tracker to determine which view is focused.\n *\n * A simple cycler setup can look like this:\n *\n *\t\tconst focusables = new ViewCollection();\n *\t\tconst focusTracker = new FocusTracker();\n *\n *\t\t// Add focusable views to the focus tracker.\n *\t\tfocusTracker.add( ... );\n *\n * Then, the cycler can be used manually:\n *\n *\t\tconst cycler = new FocusCycler( { focusables, focusTracker } );\n *\n *\t\t// Will focus the first focusable view in #focusables.\n *\t\tcycler.focusFirst();\n *\n *\t\t// Will log the next focusable item in #focusables.\n *\t\tconsole.log( cycler.next );\n *\n * Alternatively, it can work side by side with the {@link module:utils/keystrokehandler~KeystrokeHandler}:\n *\n *\t\tconst keystrokeHandler = new KeystrokeHandler();\n *\n *\t\t// Activate the keystroke handler.\n *\t\tkeystrokeHandler.listenTo( sourceOfEvents );\n *\n *\t\tconst cycler = new FocusCycler( {\n *\t\t\tfocusables, focusTracker, keystrokeHandler,\n *\t\t\tactions: {\n *\t\t\t\t// When arrowup of arrowleft is detected by the #keystrokeHandler,\n *\t\t\t\t// focusPrevious() will be called on the cycler.\n *\t\t\t\tfocusPrevious: [ 'arrowup', 'arrowleft' ],\n *\t\t\t}\n *\t\t} );\n *\n * Check out the {@glink framework/guides/deep-dive/ui/focus-tracking \"Deep dive into focus tracking\" guide} to learn more.\n */\nexport default class FocusCycler {\n\t/**\n\t * Creates an instance of the focus cycler utility.\n\t *\n\t * @param {Object} options Configuration options.\n\t * @param {module:utils/collection~Collection|Object} options.focusables\n\t * @param {module:utils/focustracker~FocusTracker} options.focusTracker\n\t * @param {module:utils/keystrokehandler~KeystrokeHandler} [options.keystrokeHandler]\n\t * @param {Object} [options.actions]\n\t */\n\tconstructor( options ) {\n\t\tObject.assign( this, options );\n\n\t\t/**\n\t\t * A {@link module:ui/view~View view} collection that the cycler operates on.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/collection~Collection} #focusables\n\t\t */\n\n\t\t/**\n\t\t * A focus tracker instance that the cycler uses to determine the current focus\n\t\t * state in {@link #focusables}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker} #focusTracker\n\t\t */\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}\n\t\t * which can respond to certain keystrokes and cycle the focus.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler} #keystrokeHandler\n\t\t */\n\n\t\t/**\n\t\t * Actions that the cycler can take when a keystroke is pressed. Requires\n\t\t * `options.keystrokeHandler` to be passed and working. When an action is\n\t\t * performed, `preventDefault` and `stopPropagation` will be called on the event\n\t\t * the keystroke fired in the DOM.\n\t\t *\n\t\t *\t\tactions: {\n\t\t *\t\t\t// Will call #focusPrevious() when arrowleft or arrowup is pressed.\n\t\t *\t\t\tfocusPrevious: [ 'arrowleft', 'arrowup' ],\n\t\t *\n\t\t *\t\t\t// Will call #focusNext() when arrowdown is pressed.\n\t\t *\t\t\tfocusNext: 'arrowdown'\n\t\t *\t\t}\n\t\t *\n\t\t * @readonly\n\t\t * @member {Object} #actions\n\t\t */\n\n\t\tif ( options.actions && options.keystrokeHandler ) {\n\t\t\tfor ( const methodName in options.actions ) {\n\t\t\t\tlet actions = options.actions[ methodName ];\n\n\t\t\t\tif ( typeof actions == 'string' ) {\n\t\t\t\t\tactions = [ actions ];\n\t\t\t\t}\n\n\t\t\t\tfor ( const keystroke of actions ) {\n\t\t\t\t\toptions.keystrokeHandler.set( keystroke, ( data, cancel ) => {\n\t\t\t\t\t\tthis[ methodName ]();\n\t\t\t\t\t\tcancel();\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns the first focusable view in {@link #focusables}.\n\t * Returns `null` if there is none.\n\t *\n\t * @readonly\n\t * @member {module:ui/view~View|null} #first\n\t */\n\tget first() {\n\t\treturn this.focusables.find( isFocusable ) || null;\n\t}\n\n\t/**\n\t * Returns the last focusable view in {@link #focusables}.\n\t * Returns `null` if there is none.\n\t *\n\t * @readonly\n\t * @member {module:ui/view~View|null} #last\n\t */\n\tget last() {\n\t\treturn this.focusables.filter( isFocusable ).slice( -1 )[ 0 ] || null;\n\t}\n\n\t/**\n\t * Returns the next focusable view in {@link #focusables} based on {@link #current}.\n\t * Returns `null` if there is none.\n\t *\n\t * @readonly\n\t * @member {module:ui/view~View|null} #next\n\t */\n\tget next() {\n\t\treturn this._getFocusableItem( 1 );\n\t}\n\n\t/**\n\t * Returns the previous focusable view in {@link #focusables} based on {@link #current}.\n\t * Returns `null` if there is none.\n\t *\n\t * @readonly\n\t * @member {module:ui/view~View|null} #previous\n\t */\n\tget previous() {\n\t\treturn this._getFocusableItem( -1 );\n\t}\n\n\t/**\n\t * An index of the view in the {@link #focusables} which is focused according\n\t * to {@link #focusTracker}. Returns `null` when there is no such view.\n\t *\n\t * @readonly\n\t * @member {Number|null} #current\n\t */\n\tget current() {\n\t\tlet index = null;\n\n\t\t// There's no focused view in the focusables.\n\t\tif ( this.focusTracker.focusedElement === null ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tthis.focusables.find( ( view, viewIndex ) => {\n\t\t\tconst focused = view.element === this.focusTracker.focusedElement;\n\n\t\t\tif ( focused ) {\n\t\t\t\tindex = viewIndex;\n\t\t\t}\n\n\t\t\treturn focused;\n\t\t} );\n\n\t\treturn index;\n\t}\n\n\t/**\n\t * Focuses the {@link #first} item in {@link #focusables}.\n\t */\n\tfocusFirst() {\n\t\tthis._focus( this.first );\n\t}\n\n\t/**\n\t * Focuses the {@link #last} item in {@link #focusables}.\n\t */\n\tfocusLast() {\n\t\tthis._focus( this.last );\n\t}\n\n\t/**\n\t * Focuses the {@link #next} item in {@link #focusables}.\n\t */\n\tfocusNext() {\n\t\tthis._focus( this.next );\n\t}\n\n\t/**\n\t * Focuses the {@link #previous} item in {@link #focusables}.\n\t */\n\tfocusPrevious() {\n\t\tthis._focus( this.previous );\n\t}\n\n\t/**\n\t * Focuses the given view if it exists.\n\t *\n\t * @protected\n\t * @param {module:ui/view~View} view\n\t */\n\t_focus( view ) {\n\t\tif ( view ) {\n\t\t\tview.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Returns the next or previous focusable view in {@link #focusables} with respect\n\t * to {@link #current}.\n\t *\n\t * @protected\n\t * @param {Number} step Either `1` for checking forward from {@link #current} or\n\t * `-1` for checking backwards.\n\t * @returns {module:ui/view~View|null}\n\t */\n\t_getFocusableItem( step ) {\n\t\t// Cache for speed.\n\t\tconst current = this.current;\n\t\tconst collectionLength = this.focusables.length;\n\n\t\tif ( !collectionLength ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// Start from the beginning if no view is focused.\n\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/206\n\t\tif ( current === null ) {\n\t\t\treturn this[ step === 1 ? 'first' : 'last' ];\n\t\t}\n\n\t\t// Cycle in both directions.\n\t\tlet index = ( current + collectionLength + step ) % collectionLength;\n\n\t\tdo {\n\t\t\tconst view = this.focusables.get( index );\n\n\t\t\t// TODO: Check if view is visible.\n\t\t\tif ( isFocusable( view ) ) {\n\t\t\t\treturn view;\n\t\t\t}\n\n\t\t\t// Cycle in both directions.\n\t\t\tindex = ( index + collectionLength + step ) % collectionLength;\n\t\t} while ( index !== current );\n\n\t\treturn null;\n\t}\n}\n\n// Checks whether a view is focusable.\n//\n// @private\n// @param {module:ui/view~View} view A view to be checked.\n// @returns {Boolean}\nfunction isFocusable( view ) {\n\treturn !!( view.focus && global.window.getComputedStyle( view.element ).display != 'none' );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/toolbarseparatorview\n */\n\nimport View from '../view';\n\n/**\n * The toolbar separator view class.\n *\n * @extends module:ui/view~View\n */\nexport default class ToolbarSeparatorView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-toolbar__separator'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/toolbarlinebreakview\n */\n\nimport View from '../view';\n\n/**\n * The toolbar line break view class.\n *\n * @extends module:ui/view~View\n */\nexport default class ToolbarLineBreakView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-toolbar__line-break'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/resizeobserver\n */\n\n/* globals setTimeout, clearTimeout */\n\nimport mix from '../mix';\nimport global from './global';\nimport Rect from './rect';\nimport DomEmitterMixin from './emittermixin';\n\nconst RESIZE_CHECK_INTERVAL = 100;\n\n/**\n * A helper class which instances allow performing custom actions when native DOM elements are resized.\n *\n *\t\tconst editableElement = editor.editing.view.getDomRoot();\n *\n *\t\tconst observer = new ResizeObserver( editableElement, entry => {\n *\t\t\tconsole.log( 'The editable element has been resized in DOM.' );\n *\t\t\tconsole.log( entry.target ); // -> editableElement\n *\t\t\tconsole.log( entry.contentRect.width ); // -> e.g. '423px'\n *\t\t} );\n *\n * By default, it uses the [native DOM resize observer](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver)\n * under the hood and in browsers that do not support the native API yet, a polyfilled observer is\n * used instead.\n */\nexport default class ResizeObserver {\n\t/**\n\t * Creates an instance of the `ResizeObserver` class.\n\t *\n\t * @param {HTMLElement} element A DOM element that is to be observed for resizing. Note that\n\t * the element must be visible (i.e. not detached from DOM) for the observer to work.\n\t * @param {Function} callback A function called when the observed element was resized. It passes\n\t * the [`ResizeObserverEntry`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserverEntry)\n\t * object with information about the resize event.\n\t */\n\tconstructor( element, callback ) {\n\t\t// **Note**: For the maximum performance, this class ensures only a single instance of the native\n\t\t// (or polyfilled) observer is used no matter how many instances of this class were created.\n\t\tif ( !ResizeObserver._observerInstance ) {\n\t\t\tResizeObserver._createObserver();\n\t\t}\n\n\t\t/**\n\t\t * The element observer by this observer.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {HTMLElement}\n\t\t */\n\t\tthis._element = element;\n\n\t\t/**\n\t\t * The callback executed each time {@link #_element} is resized.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {Function}\n\t\t */\n\t\tthis._callback = callback;\n\n\t\tResizeObserver._addElementCallback( element, callback );\n\t\tResizeObserver._observerInstance.observe( element );\n\t}\n\n\t/**\n\t * Destroys the observer which disables the `callback` passed to the {@link #constructor}.\n\t */\n\tdestroy() {\n\t\tResizeObserver._deleteElementCallback( this._element, this._callback );\n\t}\n\n\t/**\n\t * Registers a new resize callback for the DOM element.\n\t *\n\t * @private\n\t * @static\n\t * @param {HTMLElement} element\n\t * @param {Function} callback\n\t */\n\tstatic _addElementCallback( element, callback ) {\n\t\tif ( !ResizeObserver._elementCallbacks ) {\n\t\t\tResizeObserver._elementCallbacks = new Map();\n\t\t}\n\n\t\tlet callbacks = ResizeObserver._elementCallbacks.get( element );\n\n\t\tif ( !callbacks ) {\n\t\t\tcallbacks = new Set();\n\t\t\tResizeObserver._elementCallbacks.set( element, callbacks );\n\t\t}\n\n\t\tcallbacks.add( callback );\n\t}\n\n\t/**\n\t * Removes a resize callback from the DOM element. If no callbacks are left\n\t * for the element, it removes the element from the native observer.\n\t *\n\t * @private\n\t * @static\n\t * @param {HTMLElement} element\n\t * @param {Function} callback\n\t */\n\tstatic _deleteElementCallback( element, callback ) {\n\t\tconst callbacks = ResizeObserver._getElementCallbacks( element );\n\n\t\t// Remove the element callback. Check if exist first in case someone\n\t\t// called destroy() twice.\n\t\tif ( callbacks ) {\n\t\t\tcallbacks.delete( callback );\n\n\t\t\t// If no callbacks left for the element, also remove the element.\n\t\t\tif ( !callbacks.size ) {\n\t\t\t\tResizeObserver._elementCallbacks.delete( element );\n\t\t\t\tResizeObserver._observerInstance.unobserve( element );\n\t\t\t}\n\t\t}\n\n\t\tif ( ResizeObserver._elementCallbacks && !ResizeObserver._elementCallbacks.size ) {\n\t\t\tResizeObserver._observerInstance = null;\n\t\t\tResizeObserver._elementCallbacks = null;\n\t\t}\n\t}\n\n\t/**\n\t * Returns are registered resize callbacks for the DOM element.\n\t *\n\t * @private\n\t * @static\n\t * @param {HTMLElement} element\n\t * @returns {Set.<HTMLElement>|null}\n\t */\n\tstatic _getElementCallbacks( element ) {\n\t\tif ( !ResizeObserver._elementCallbacks ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn ResizeObserver._elementCallbacks.get( element );\n\t}\n\n\t/**\n\t * Creates the single native observer shared across all `ResizeObserver` instances.\n\t * If the browser does not support the native API, it creates a polyfill.\n\t *\n\t * @private\n\t * @static\n\t */\n\tstatic _createObserver() {\n\t\tlet ObserverConstructor;\n\n\t\t// TODO: One day, the `ResizeObserver` API will be supported in all modern web browsers.\n\t\t// When it happens, this module will no longer make sense and should be removed and\n\t\t// the native implementation should be used across the project to save bytes.\n\t\t// Check out https://caniuse.com/#feat=resizeobserver.\n\t\tif ( typeof global.window.ResizeObserver === 'function' ) {\n\t\t\tObserverConstructor = global.window.ResizeObserver;\n\t\t} else {\n\t\t\tObserverConstructor = ResizeObserverPolyfill;\n\t\t}\n\n\t\tResizeObserver._observerInstance = new ObserverConstructor( entries => {\n\t\t\tfor ( const entry of entries ) {\n\t\t\t\tconst callbacks = ResizeObserver._getElementCallbacks( entry.target );\n\n\t\t\t\tif ( callbacks ) {\n\t\t\t\t\tfor ( const callback of callbacks ) {\n\t\t\t\t\t\tcallback( entry );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n\n/**\n * The single native observer instance (or polyfill in browsers that do not support the API)\n * shared across all {@link module:utils/dom/resizeobserver~ResizeObserver} instances.\n *\n * @static\n * @protected\n * @readonly\n * @property {Object|null} module:utils/dom/resizeobserver~ResizeObserver#_observerInstance\n */\nResizeObserver._observerInstance = null;\n\n/**\n * A mapping of native DOM elements and their callbacks shared across all\n * {@link module:utils/dom/resizeobserver~ResizeObserver} instances.\n *\n * @static\n * @private\n * @readonly\n * @property {Map.<HTMLElement,Set>|null} module:utils/dom/resizeobserver~ResizeObserver#_elementCallbacks\n */\nResizeObserver._elementCallbacks = null;\n\n/**\n * A polyfill class for the native [`ResizeObserver`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver).\n *\n * @private\n * @mixes module:utils/domemittermixin~DomEmitterMixin\n */\nclass ResizeObserverPolyfill {\n\t/**\n\t * Creates an instance of the {@link module:utils/dom/resizeobserver~ResizeObserverPolyfill} class.\n\t *\n\t * It synchronously reacts to resize of the window to check if observed elements' geometry changed.\n\t *\n\t * Additionally, the polyfilled observer uses a timeout to check if observed elements' geometry has changed\n\t * in some other way (dynamic layouts, scrollbars showing up, etc.), so its response can also be asynchronous.\n\t *\n\t * @param {Function} callback A function called when any observed element was resized. Refer to the\n\t * native [`ResizeObserver`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver) API to\n\t * learn more.\n\t */\n\tconstructor( callback ) {\n\t\t/**\n\t\t * A function called when any observed {@link #_elements element} was resized.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Function}\n\t\t */\n\t\tthis._callback = callback;\n\n\t\t/**\n\t\t * DOM elements currently observed by the observer instance.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Set}\n\t\t */\n\t\tthis._elements = new Set();\n\n\t\t/**\n\t\t * Cached DOM {@link #_elements elements} bounding rects to compare to upon the next check.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Map.<HTMLElement,module:utils/dom/rect~Rect>}\n\t\t */\n\t\tthis._previousRects = new Map();\n\n\t\t/**\n\t\t * An UID of the current timeout upon which the observed elements rects\n\t\t * will be compared to the {@link #_previousRects previous rects} from the past.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Map.<HTMLElement,module:utils/dom/rect~Rect>}\n\t\t */\n\t\tthis._periodicCheckTimeout = null;\n\t}\n\n\t/**\n\t * Starts observing a DOM element.\n\t *\n\t * Learn more in the\n\t * [native method documentation](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/observe).\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tobserve( element ) {\n\t\tthis._elements.add( element );\n\n\t\tthis._checkElementRectsAndExecuteCallback();\n\n\t\tif ( this._elements.size === 1 ) {\n\t\t\tthis._startPeriodicCheck();\n\t\t}\n\t}\n\n\t/**\n\t * Stops observing a DOM element.\n\t *\n\t * Learn more in the\n\t * [native method documentation](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/unobserve).\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tunobserve( element ) {\n\t\tthis._elements.delete( element );\n\t\tthis._previousRects.delete( element );\n\n\t\tif ( !this._elements.size ) {\n\t\t\tthis._stopPeriodicCheck();\n\t\t}\n\t}\n\n\t/**\n\t * When called, the observer calls the {@link #_callback resize callback} for all observed\n\t * {@link #_elements elements} but also starts checking periodically for changes in the elements' geometry.\n\t * If some are detected, {@link #_callback resize callback} is called for relevant elements that were resized.\n\t *\n\t * @protected\n\t */\n\t_startPeriodicCheck() {\n\t\tconst periodicCheck = () => {\n\t\t\tthis._checkElementRectsAndExecuteCallback();\n\t\t\tthis._periodicCheckTimeout = setTimeout( periodicCheck, RESIZE_CHECK_INTERVAL );\n\t\t};\n\n\t\tthis.listenTo( global.window, 'resize', () => {\n\t\t\tthis._checkElementRectsAndExecuteCallback();\n\t\t} );\n\n\t\tthis._periodicCheckTimeout = setTimeout( periodicCheck, RESIZE_CHECK_INTERVAL );\n\t}\n\n\t/**\n\t * Stops checking for changes in all observed {@link #_elements elements} geometry.\n\t *\n\t * @protected\n\t */\n\t_stopPeriodicCheck() {\n\t\tclearTimeout( this._periodicCheckTimeout );\n\t\tthis.stopListening();\n\t\tthis._previousRects.clear();\n\t}\n\n\t/**\n\t * Checks if the geometry of any of the {@link #_elements element} has changed. If so, executes\n\t * the {@link #_callback resize callback} with element geometry data.\n\t *\n\t * @protected\n\t */\n\t_checkElementRectsAndExecuteCallback() {\n\t\tconst entries = [];\n\n\t\tfor ( const element of this._elements ) {\n\t\t\tif ( this._hasRectChanged( element ) ) {\n\t\t\t\tentries.push( {\n\t\t\t\t\ttarget: element,\n\t\t\t\t\tcontentRect: this._previousRects.get( element )\n\t\t\t\t} );\n\t\t\t}\n\t\t}\n\n\t\tif ( entries.length ) {\n\t\t\tthis._callback( entries );\n\t\t}\n\t}\n\n\t/**\n\t * Compares the DOM element geometry to the {@link #_previousRects cached geometry} from the past.\n\t * Returns `true` if geometry has changed or the element is checked for the first time.\n\t *\n\t * @protected\n\t * @param {HTMLElement} element\n\t * @returns {Boolean}\n\t */\n\t_hasRectChanged( element ) {\n\t\tif ( !element.ownerDocument.body.contains( element ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst currentRect = new Rect( element );\n\t\tconst previousRect = this._previousRects.get( element );\n\n\t\t// The first check should always yield true despite no Previous rect to compare to.\n\t\t// The native ResizeObserver does that and... that makes sense. Sort of.\n\t\tconst hasChanged = !previousRect || !previousRect.isEqual( currentRect );\n\n\t\tthis._previousRects.set( element, currentRect );\n\n\t\treturn hasChanged;\n\t}\n}\n\nmix( ResizeObserverPolyfill, DomEmitterMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/dropdownpanelview\n */\n\nimport View from '../view';\n\n/**\n * The dropdown panel view class.\n *\n * See {@link module:ui/dropdown/dropdownview~DropdownView} to learn about the common usage.\n *\n * @extends module:ui/view~View\n */\nexport default class DropdownPanelView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Controls whether the panel is visible.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isVisible\n\t\t */\n\t\tthis.set( 'isVisible', false );\n\n\t\t/**\n\t\t * The position of the panel, relative to the parent.\n\t\t *\n\t\t * This property is reflected in the CSS class set to {@link #element} that controls\n\t\t * the position of the panel.\n\t\t *\n\t\t * @observable\n\t\t * @default 'se'\n\t\t * @member {'s'|'se'|'sw'|'sme'|'smw'|'n'|'ne'|'nw'|'nme'|'nmw'} #position\n\t\t */\n\t\tthis.set( 'position', 'se' );\n\n\t\t/**\n\t\t * Collection of the child views in this panel.\n\t\t *\n\t\t * A common child type is the {@link module:ui/list/listview~ListView} and {@link module:ui/toolbar/toolbarview~ToolbarView}.\n\t\t * See {@link module:ui/dropdown/utils~addListToDropdown} and\n\t\t * {@link module:ui/dropdown/utils~addToolbarToDropdown} to learn more about child views of dropdowns.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-reset',\n\t\t\t\t\t'ck-dropdown__panel',\n\t\t\t\t\tbind.to( 'position', value => `ck-dropdown__panel_${ value }` ),\n\t\t\t\t\tbind.if( 'isVisible', 'ck-dropdown__panel-visible' )\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: this.children,\n\n\t\t\ton: {\n\t\t\t\t// Drag and drop in the panel should not break the selection in the editor.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/228\n\t\t\t\tselectstart: bind.to( evt => evt.preventDefault() )\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the view element or first item in view collection on opening dropdown's panel.\n\t *\n\t * See also {@link module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable}.\n\t */\n\tfocus() {\n\t\tif ( this.children.length ) {\n\t\t\tthis.children.first.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the view element or last item in view collection on opening dropdown's panel.\n\t *\n\t * See also {@link module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable}.\n\t */\n\tfocusLast() {\n\t\tif ( this.children.length ) {\n\t\t\tconst lastChild = this.children.last;\n\n\t\t\tif ( typeof lastChild.focusLast === 'function' ) {\n\t\t\t\tlastChild.focusLast();\n\t\t\t} else {\n\t\t\t\tlastChild.focus();\n\t\t\t}\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/position\n */\n\nimport global from './global';\nimport Rect from './rect';\nimport getPositionedAncestor from './getpositionedancestor';\nimport getBorderWidths from './getborderwidths';\nimport { isFunction } from 'lodash-es';\n\n/**\n * Calculates the `position: absolute` coordinates of a given element so it can be positioned with respect to the\n * target in the visually most efficient way, taking various restrictions like viewport or limiter geometry\n * into consideration.\n *\n *\t\t// The element which is to be positioned.\n *\t\tconst element = document.body.querySelector( '#toolbar' );\n *\n *\t\t// A target to which the element is positioned relatively.\n *\t\tconst target = document.body.querySelector( '#container' );\n *\n *\t\t// Finding the optimal coordinates for the positioning.\n *\t\tconst { left, top, name } = getOptimalPosition( {\n *\t\t\telement: element,\n *\t\t\ttarget: target,\n *\n * \t\t\t// The algorithm will chose among these positions to meet the requirements such\n * \t\t\t// as \"limiter\" element or \"fitInViewport\", set below. The positions are considered\n * \t\t\t// in the order of the array.\n *\t\t\tpositions: [\n *\t\t\t\t//\n *\t\t\t \t//\t[ Target ]\n *\t\t\t\t//\t+-----------------+\n *\t\t\t\t//\t|     Element     |\n *\t\t\t\t//\t+-----------------+\n *\t\t\t\t//\n *\t\t\t\ttargetRect => ( {\n *\t\t\t\t\ttop: targetRect.bottom,\n *\t\t\t\t\tleft: targetRect.left,\n *\t\t\t\t\tname: 'mySouthEastPosition'\n *\t\t\t\t} ),\n *\n *\t\t\t\t//\n *\t\t\t\t//\t+-----------------+\n *\t\t\t\t//\t|     Element     |\n *\t\t\t\t//\t+-----------------+\n *\t\t\t\t//\t[ Target ]\n *\t\t\t\t//\n *\t\t\t\t( targetRect, elementRect ) => ( {\n *\t\t\t\t\ttop: targetRect.top - elementRect.height,\n *\t\t\t\t\tleft: targetRect.left,\n *\t\t\t\t\tname: 'myNorthEastPosition'\n *\t\t\t\t} )\n *\t\t\t],\n *\n *\t\t\t// Find a position such guarantees the element remains within visible boundaries of <body>.\n *\t\t\tlimiter: document.body,\n *\n *\t\t\t// Find a position such guarantees the element remains within visible boundaries of the browser viewport.\n *\t\t\tfitInViewport: true\n *\t\t} );\n *\n *\t\t// The best position which fits into document.body and the viewport. May be useful\n *\t\t// to set proper class on the `element`.\n *\t\tconsole.log( name ); // -> \"myNorthEastPosition\"\n *\n *\t\t// Using the absolute coordinates which has been found to position the element\n *\t\t// as in the diagram depicting the \"myNorthEastPosition\" position.\n *\t\telement.style.top = top;\n *\t\telement.style.left = left;\n *\n * @param {module:utils/dom/position~Options} options Positioning options object.\n * @returns {module:utils/dom/position~Position}\n */\nexport function getOptimalPosition( { element, target, positions, limiter, fitInViewport } ) {\n\t// If the {@link module:utils/dom/position~Options#target} is a function, use what it returns.\n\t// https://github.com/ckeditor/ckeditor5-utils/issues/157\n\tif ( isFunction( target ) ) {\n\t\ttarget = target();\n\t}\n\n\t// If the {@link module:utils/dom/position~Options#limiter} is a function, use what it returns.\n\t// https://github.com/ckeditor/ckeditor5-ui/issues/260\n\tif ( isFunction( limiter ) ) {\n\t\tlimiter = limiter();\n\t}\n\n\tconst positionedElementAncestor = getPositionedAncestor( element );\n\tconst elementRect = new Rect( element );\n\tconst targetRect = new Rect( target );\n\n\tlet bestPositionRect;\n\tlet bestPositionName;\n\n\t// If there are no limits, just grab the very first position and be done with that drama.\n\tif ( !limiter && !fitInViewport ) {\n\t\t[ bestPositionName, bestPositionRect ] = getPositionNameAndRect( positions[ 0 ], targetRect, elementRect );\n\t} else {\n\t\tconst limiterRect = limiter && new Rect( limiter ).getVisible();\n\t\tconst viewportRect = fitInViewport && new Rect( global.window );\n\t\tconst bestPosition = getBestPositionNameAndRect( positions, { targetRect, elementRect, limiterRect, viewportRect } );\n\n\t\t// If there's no best position found, i.e. when all intersections have no area because\n\t\t// rects have no width or height, then just use the first available position.\n\t\t[ bestPositionName, bestPositionRect ] = bestPosition || getPositionNameAndRect( positions[ 0 ], targetRect, elementRect );\n\t}\n\n\tlet absoluteRectCoordinates = getAbsoluteRectCoordinates( bestPositionRect );\n\n\tif ( positionedElementAncestor ) {\n\t\tabsoluteRectCoordinates = shiftRectCoordinatesDueToPositionedAncestor( absoluteRectCoordinates, positionedElementAncestor );\n\t}\n\n\treturn {\n\t\tleft: absoluteRectCoordinates.left,\n\t\ttop: absoluteRectCoordinates.top,\n\t\tname: bestPositionName\n\t};\n}\n\n// For given position function, returns a corresponding `Rect` instance.\n//\n// @private\n// @param {Function} position A function returning {@link module:utils/dom/position~Position}.\n// @param {utils/dom/rect~Rect} targetRect A rect of the target.\n// @param {utils/dom/rect~Rect} elementRect A rect of positioned element.\n// @returns {Array|null} An array containing position name and its Rect (or null if position should be ignored).\nfunction getPositionNameAndRect( position, targetRect, elementRect ) {\n\tconst positionData = position( targetRect, elementRect );\n\n\tif ( !positionData ) {\n\t\treturn null;\n\t}\n\n\tconst { left, top, name } = positionData;\n\n\treturn [ name, elementRect.clone().moveTo( left, top ) ];\n}\n\n// For a given array of positioning functions, returns such that provides the best\n// fit of the `elementRect` into the `limiterRect` and `viewportRect`.\n//\n// @private\n//\n// @param {Object} options\n// @param {module:utils/dom/position~Options#positions} positions Functions returning {@link module:utils/dom/position~Position}\n// to be checked, in the order of preference.\n// @param {Object} options\n// @param {utils/dom/rect~Rect} options.targetRect A rect of the {@link module:utils/dom/position~Options#target}.\n// @param {utils/dom/rect~Rect} options.elementRect A rect of positioned {@link module:utils/dom/position~Options#element}.\n// @param {utils/dom/rect~Rect} options.limiterRect A rect of the {@link module:utils/dom/position~Options#limiter}.\n// @param {utils/dom/rect~Rect} options.viewportRect A rect of the viewport.\n//\n// @returns {Array} An array containing the name of the position and it's rect.\nfunction getBestPositionNameAndRect( positions, options ) {\n\tconst { elementRect, viewportRect } = options;\n\n\t// This is when element is fully visible.\n\tconst elementRectArea = elementRect.getArea();\n\n\t// Let's calculate intersection areas for positions. It will end early if best match is found.\n\tconst processedPositions = processPositionsToAreas( positions, options );\n\n\t// First let's check all positions that fully fit in the viewport.\n\tif ( viewportRect ) {\n\t\tconst processedPositionsInViewport = processedPositions.filter( ( { viewportIntersectArea } ) => {\n\t\t\treturn viewportIntersectArea === elementRectArea;\n\t\t} );\n\n\t\t// Try to find best position from those which fit completely in viewport.\n\t\tconst bestPositionData = getBestOfProcessedPositions( processedPositionsInViewport, elementRectArea );\n\n\t\tif ( bestPositionData ) {\n\t\t\treturn bestPositionData;\n\t\t}\n\t}\n\n\t// Either there is no viewportRect or there is no position that fits completely in the viewport.\n\treturn getBestOfProcessedPositions( processedPositions, elementRectArea );\n}\n\n// For a given array of positioning functions, calculates intersection areas for them.\n//\n// Note: If some position fully fits into the `limiterRect`, it will be returned early, without further consideration\n// of other positions.\n//\n// @private\n//\n// @param {module:utils/dom/position~Options#positions} positions Functions returning {@link module:utils/dom/position~Position}\n// to be checked, in the order of preference.\n// @param {Object} options\n// @param {utils/dom/rect~Rect} options.targetRect A rect of the {@link module:utils/dom/position~Options#target}.\n// @param {utils/dom/rect~Rect} options.elementRect A rect of positioned {@link module:utils/dom/position~Options#element}.\n// @param {utils/dom/rect~Rect} options.limiterRect A rect of the {@link module:utils/dom/position~Options#limiter}.\n// @param {utils/dom/rect~Rect} options.viewportRect A rect of the viewport.\n//\n// @returns {Array.<Object>} Array of positions with calculated intersection areas. Each item is an object containing:\n// * {String} positionName Name of position.\n// * {utils/dom/rect~Rect} positionRect Rect of position.\n// * {Number} limiterIntersectArea Area of intersection of the position with limiter part that is in the viewport.\n// * {Number} viewportIntersectArea Area of intersection of the position with viewport.\nfunction processPositionsToAreas( positions, { targetRect, elementRect, limiterRect, viewportRect } ) {\n\tconst processedPositions = [];\n\n\t// This is when element is fully visible.\n\tconst elementRectArea = elementRect.getArea();\n\n\tfor ( const position of positions ) {\n\t\tconst positionData = getPositionNameAndRect( position, targetRect, elementRect );\n\n\t\tif ( !positionData ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst [ positionName, positionRect ] = positionData;\n\t\tlet limiterIntersectArea = 0;\n\t\tlet viewportIntersectArea = 0;\n\n\t\tif ( limiterRect ) {\n\t\t\tif ( viewportRect ) {\n\t\t\t\t// Consider only the part of the limiter which is visible in the viewport. So the limiter is getting limited.\n\t\t\t\tconst limiterViewportIntersectRect = limiterRect.getIntersection( viewportRect );\n\n\t\t\t\tif ( limiterViewportIntersectRect ) {\n\t\t\t\t\t// If the limiter is within the viewport, then check the intersection between that part of the\n\t\t\t\t\t// limiter and actual position.\n\t\t\t\t\tlimiterIntersectArea = limiterViewportIntersectRect.getIntersectionArea( positionRect );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tlimiterIntersectArea = limiterRect.getIntersectionArea( positionRect );\n\t\t\t}\n\t\t}\n\n\t\tif ( viewportRect ) {\n\t\t\tviewportIntersectArea = viewportRect.getIntersectionArea( positionRect );\n\t\t}\n\n\t\tconst processedPosition = {\n\t\t\tpositionName,\n\t\t\tpositionRect,\n\t\t\tlimiterIntersectArea,\n\t\t\tviewportIntersectArea\n\t\t};\n\n\t\t// If a such position is found that element is fully contained by the limiter then, obviously,\n\t\t// there will be no better one, so finishing.\n\t\tif ( limiterIntersectArea === elementRectArea ) {\n\t\t\treturn [ processedPosition ];\n\t\t}\n\n\t\tprocessedPositions.push( processedPosition );\n\t}\n\n\treturn processedPositions;\n}\n\n// For a given array of processed position data (with calculated Rects for positions and intersection areas)\n// returns such that provides the best fit of the `elementRect` into the `limiterRect` and `viewportRect` at the same time.\n//\n// **Note**: It will return early if some position fully fits into the `limiterRect`.\n//\n// @private\n// @param {Array.<Object>} Array of positions with calculated intersection areas (in order of preference).\n// Each item is an object containing:\n//\n//\t* {String} positionName Name of position.\n//\t* {utils/dom/rect~Rect} positionRect Rect of position.\n//\t* {Number} limiterIntersectArea Area of intersection of the position with limiter part that is in the viewport.\n//\t* {Number} viewportIntersectArea Area of intersection of the position with viewport.\n//\n// @param {Number} elementRectArea Area of positioned {@link module:utils/dom/position~Options#element}.\n// @returns {Array|null} An array containing the name of the position and it's rect, or null if not found.\nfunction getBestOfProcessedPositions( processedPositions, elementRectArea ) {\n\tlet maxFitFactor = 0;\n\tlet bestPositionRect;\n\tlet bestPositionName;\n\n\tfor ( const { positionName, positionRect, limiterIntersectArea, viewportIntersectArea } of processedPositions ) {\n\t\t// If a such position is found that element is fully container by the limiter then, obviously,\n\t\t// there will be no better one, so finishing.\n\t\tif ( limiterIntersectArea === elementRectArea ) {\n\t\t\treturn [ positionName, positionRect ];\n\t\t}\n\n\t\t// To maximize both viewport and limiter intersection areas we use distance on viewportIntersectArea\n\t\t// and limiterIntersectArea plane (without sqrt because we are looking for max value).\n\t\tconst fitFactor = viewportIntersectArea ** 2 + limiterIntersectArea ** 2;\n\n\t\tif ( fitFactor > maxFitFactor ) {\n\t\t\tmaxFitFactor = fitFactor;\n\t\t\tbestPositionRect = positionRect;\n\t\t\tbestPositionName = positionName;\n\t\t}\n\t}\n\n\treturn bestPositionRect ? [ bestPositionName, bestPositionRect ] : null;\n}\n\n// For a given absolute Rect coordinates object and a positioned element ancestor, it returns an object with\n// new Rect coordinates that make up for the position and the scroll of the ancestor.\n//\n// This is necessary because while Rects (and DOMRects) are relative to the browser's viewport, their coordinates\n// are used in real–life to position elements with `position: absolute`, which are scoped by any positioned\n// (and scrollable) ancestors.\n//\n// @private\n//\n// @param {Object} absoluteRectCoordinates An object with absolute rect coordinates.\n// @param {Object} absoluteRectCoordinates.top\n// @param {Object} absoluteRectCoordinates.left\n// @param {HTMLElement} positionedElementAncestor An ancestor element that should be considered.\n//\n// @returns {Object} An object corresponding to `absoluteRectCoordinates` input but with values shifted\n// to make up for the positioned element ancestor.\nfunction shiftRectCoordinatesDueToPositionedAncestor( { left, top }, positionedElementAncestor ) {\n\tconst ancestorPosition = getAbsoluteRectCoordinates( new Rect( positionedElementAncestor ) );\n\tconst ancestorBorderWidths = getBorderWidths( positionedElementAncestor );\n\n\t// (https://github.com/ckeditor/ckeditor5-ui-default/issues/126)\n\t// If there's some positioned ancestor of the panel, then its `Rect` must be taken into\n\t// consideration. `Rect` is always relative to the viewport while `position: absolute` works\n\t// with respect to that positioned ancestor.\n\tleft -= ancestorPosition.left;\n\ttop -= ancestorPosition.top;\n\n\t// (https://github.com/ckeditor/ckeditor5-utils/issues/139)\n\t// If there's some positioned ancestor of the panel, not only its position must be taken into\n\t// consideration (see above) but also its internal scrolls. Scroll have an impact here because `Rect`\n\t// is relative to the viewport (it doesn't care about scrolling), while `position: absolute`\n\t// must compensate that scrolling.\n\tleft += positionedElementAncestor.scrollLeft;\n\ttop += positionedElementAncestor.scrollTop;\n\n\t// (https://github.com/ckeditor/ckeditor5-utils/issues/139)\n\t// If there's some positioned ancestor of the panel, then its `Rect` includes its CSS `borderWidth`\n\t// while `position: absolute` positioning does not consider it.\n\t// E.g. `{ position: absolute, top: 0, left: 0 }` means upper left corner of the element,\n\t// not upper-left corner of its border.\n\tleft -= ancestorBorderWidths.left;\n\ttop -= ancestorBorderWidths.top;\n\n\treturn { left, top };\n}\n\n// DOMRect (also Rect) works in a scroll–independent geometry but `position: absolute` doesn't.\n// This function converts Rect to `position: absolute` coordinates.\n//\n// @private\n// @param {utils/dom/rect~Rect} rect A rect to be converted.\n// @returns {Object} Object containing `left` and `top` properties, in absolute coordinates.\nfunction getAbsoluteRectCoordinates( { left, top } ) {\n\tconst { scrollX, scrollY } = global.window;\n\n\treturn {\n\t\tleft: left + scrollX,\n\t\ttop: top + scrollY\n\t};\n}\n\n/**\n * The `getOptimalPosition()` helper options.\n *\n * @interface module:utils/dom/position~Options\n */\n\n/**\n * Element that is to be positioned.\n *\n * @member {HTMLElement} #element\n */\n\n/**\n * Target with respect to which the `element` is to be positioned.\n *\n * @member {HTMLElement|Range|ClientRect|Rect|Function} #target\n */\n\n/**\n * An array of functions which return {@link module:utils/dom/position~Position} relative\n * to the `target`, in the order of preference.\n *\n * **Note**: If a function returns `null`, it is ignored by the `getOptimalPosition()`.\n *\n * @member {Array.<Function>} #positions\n */\n\n/**\n * When set, the algorithm will chose position which fits the most in the\n * limiter's bounding rect.\n *\n * @member {HTMLElement|Range|ClientRect|Rect|Function} #limiter\n */\n\n/**\n * When set, the algorithm will chose such a position which fits `element`\n * the most inside visible viewport.\n *\n * @member {Boolean} #fitInViewport\n */\n\n/**\n * An object describing a position in `position: absolute` coordinate\n * system, along with position name.\n *\n * @typedef {Object} module:utils/dom/position~Position\n *\n * @property {Number} top Top position offset.\n * @property {Number} left Left position offset.\n * @property {String} name Name of the position.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/getpositionedancestor\n */\n\nimport global from './global';\n\n/**\n * For a given element, returns the nearest ancestor element which CSS position is not \"static\".\n *\n * @param {HTMLElement} element The native DOM element to be checked.\n * @returns {HTMLElement|null}\n */\nexport default function getPositionedAncestor( element ) {\n\tif ( !element || !element.parentNode ) {\n\t\treturn null;\n\t}\n\n\tif ( element.offsetParent === global.document.body ) {\n\t\treturn null;\n\t}\n\n\treturn element.offsetParent;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/dropdownview\n */\n\nimport View from '../view';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\n\nimport '../../theme/components/dropdown/dropdown.css';\n\nimport { getOptimalPosition } from '@ckeditor/ckeditor5-utils/src/dom/position';\n\n/**\n * The dropdown view class. It manages the dropdown button and dropdown panel.\n *\n * In most cases, the easiest way to create a dropdown is by using the {@link module:ui/dropdown/utils~createDropdown}\n * util:\n *\n *\t\tconst dropdown = createDropdown( locale );\n *\n *\t\t// Configure dropdown's button properties:\n *\t\tdropdown.buttonView.set( {\n *\t\t\tlabel: 'A dropdown',\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tdropdown.render();\n *\n *\t\tdropdown.panelView.element.textContent = 'Content of the panel';\n *\n *\t\t// Will render a dropdown with a panel containing a \"Content of the panel\" text.\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * If you want to add a richer content to the dropdown panel, you can use the {@link module:ui/dropdown/utils~addListToDropdown}\n * and {@link module:ui/dropdown/utils~addToolbarToDropdown} helpers. See more examples in\n * {@link module:ui/dropdown/utils~createDropdown} documentation.\n *\n * If you want to create a completely custom dropdown, then you can compose it manually:\n *\n *\t\tconst button = new DropdownButtonView( locale );\n *\t\tconst panel = new DropdownPanelView( locale );\n *\t\tconst dropdown = new DropdownView( locale, button, panel );\n *\n *\t\tbutton.set( {\n *\t\t\tlabel: 'A dropdown',\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tdropdown.render();\n *\n *\t\tpanel.element.textContent = 'Content of the panel';\n *\n *\t\t// Will render a dropdown with a panel containing a \"Content of the panel\" text.\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * However, dropdown created this way will contain little behavior. You will need to implement handlers for actions\n * such as {@link module:ui/bindings/clickoutsidehandler~clickOutsideHandler clicking outside an open dropdown}\n * (which should close it) and support for arrow keys inside the panel. Therefore, unless you really know what\n * you do and you really need to do it, it is recommended to use the {@link module:ui/dropdown/utils~createDropdown} helper.\n *\n * @extends module:ui/view~View\n */\nexport default class DropdownView extends View {\n\t/**\n\t * Creates an instance of the dropdown.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {module:ui/dropdown/button/dropdownbutton~DropdownButton} buttonView\n\t * @param {module:ui/dropdown/dropdownpanelview~DropdownPanelView} panelView\n\t */\n\tconstructor( locale, buttonView, panelView ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Button of the dropdown view. Clicking the button opens the {@link #panelView}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/button/buttonview~ButtonView} #buttonView\n\t\t */\n\t\tthis.buttonView = buttonView;\n\n\t\t/**\n\t\t * Panel of the dropdown. It opens when the {@link #buttonView} is\n\t\t * {@link module:ui/button/buttonview~ButtonView#event:execute executed} (i.e. clicked).\n\t\t *\n\t\t * Child views can be added to the panel's `children` collection:\n\t\t *\n\t\t *\t\tdropdown.panelView.children.add( childView );\n\t\t *\n\t\t * See {@link module:ui/dropdown/dropdownpanelview~DropdownPanelView#children} and\n\t\t * {@link module:ui/viewcollection~ViewCollection#add}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/dropdown/dropdownpanelview~DropdownPanelView} #panelView\n\t\t */\n\t\tthis.panelView = panelView;\n\n\t\t/**\n\t\t * Controls whether the dropdown view is open, i.e. shows or hides the {@link #panelView panel}.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isOpen\n\t\t */\n\t\tthis.set( 'isOpen', false );\n\n\t\t/**\n\t\t * Controls whether the dropdown is enabled, i.e. it can be clicked and execute an action.\n\t\t *\n\t\t * See {@link module:ui/button/buttonview~ButtonView#isEnabled}.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\t/**\n\t\t * (Optional) The additional CSS class set on the dropdown {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class' );\n\n\t\t/**\n\t\t * (Optional) The `id` attribute of the dropdown (i.e. to pair with a `<label>` element).\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #id\n\t\t */\n\t\tthis.set( 'id' );\n\n\t\t/**\n\t\t * The position of the panel, relative to the dropdown.\n\t\t *\n\t\t * **Note**: When `'auto'`, the panel will use one of the remaining positions to stay\n\t\t * in the viewport, visible to the user. The positions correspond directly to\n\t\t * {@link module:ui/dropdown/dropdownview~DropdownView.defaultPanelPositions default panel positions}.\n\t\t *\n\t\t * **Note**: This value has an impact on the\n\t\t * {@link module:ui/dropdown/dropdownpanelview~DropdownPanelView#position} property\n\t\t * each time the panel becomes {@link #isOpen open}.\n\t\t *\n\t\t * @observable\n\t\t * @default 'auto'\n\t\t * @member {'auto'|'s'|'se'|'sw'|'sme'|'smw'|'n'|'ne'|'nw'|'nme'|'nmw'} #panelPosition\n\t\t */\n\t\tthis.set( 'panelPosition', 'auto' );\n\n\t\t/**\n\t\t * Instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}. It manages\n\t\t * keystrokes of the dropdown:\n\t\t *\n\t\t * * <kbd>▼</kbd> opens the dropdown,\n\t\t * * <kbd>◀</kbd> and <kbd>Esc</kbd> closes the dropdown.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-dropdown',\n\t\t\t\t\tbind.to( 'class' ),\n\t\t\t\t\tbind.if( 'isEnabled', 'ck-disabled', value => !value )\n\t\t\t\t],\n\t\t\t\tid: bind.to( 'id' ),\n\t\t\t\t'aria-describedby': bind.to( 'ariaDescribedById' )\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\tbuttonView,\n\t\t\t\tpanelView\n\t\t\t]\n\t\t} );\n\n\t\tbuttonView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-dropdown__button'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * A child {@link module:ui/list/listview~ListView list view} of the dropdown located\n\t\t * in its {@link module:ui/dropdown/dropdownview~DropdownView#panelView panel}.\n\t\t *\n\t\t * **Note**: Only supported when dropdown has list view added using {@link module:ui/dropdown/utils~addListToDropdown}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/list/listview~ListView} #listView\n\t\t */\n\n\t\t/**\n\t\t * A child toolbar of the dropdown located in the\n\t\t * {@link module:ui/dropdown/dropdownview~DropdownView#panelView panel}.\n\t\t *\n\t\t * **Note**: Only supported when dropdown has list view added using {@link module:ui/dropdown/utils~addToolbarToDropdown}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ToolbarView} #toolbarView\n\t\t */\n\n\t\t/**\n\t\t * Fired when the toolbar button or list item is executed.\n\t\t *\n\t\t * For {@link #listView} It fires when a child of some {@link module:ui/list/listitemview~ListItemView}\n\t\t * fired `execute`.\n\t\t *\n\t\t * For {@link #toolbarView} It fires when one of the buttons has been\n\t\t * {@link module:ui/button/buttonview~ButtonView#event:execute executed}.\n\t\t *\n\t\t * **Note**: Only supported when dropdown has list view added using {@link module:ui/dropdown/utils~addListToDropdown}\n\t\t * or {@link module:ui/dropdown/utils~addToolbarToDropdown}.\n\t\t *\n\t\t * @event execute\n\t\t */\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Toggle the dropdown when its button has been clicked.\n\t\tthis.listenTo( this.buttonView, 'open', () => {\n\t\t\tthis.isOpen = !this.isOpen;\n\t\t} );\n\n\t\t// Toggle the visibility of the panel when the dropdown becomes open.\n\t\tthis.panelView.bind( 'isVisible' ).to( this, 'isOpen' );\n\n\t\t// Let the dropdown control the position of the panel. The position must\n\t\t// be updated every time the dropdown is open.\n\t\tthis.on( 'change:isOpen', () => {\n\t\t\tif ( !this.isOpen ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// If \"auto\", find the best position of the panel to fit into the viewport.\n\t\t\t// Otherwise, simply assign the static position.\n\t\t\tif ( this.panelPosition === 'auto' ) {\n\t\t\t\tthis.panelView.position = DropdownView._getOptimalPosition( {\n\t\t\t\t\telement: this.panelView.element,\n\t\t\t\t\ttarget: this.buttonView.element,\n\t\t\t\t\tfitInViewport: true,\n\t\t\t\t\tpositions: this._panelPositions\n\t\t\t\t} ).name;\n\t\t\t} else {\n\t\t\t\tthis.panelView.position = this.panelPosition;\n\t\t\t}\n\t\t} );\n\n\t\t// Listen for keystrokes coming from within #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\n\t\tconst closeDropdown = ( data, cancel ) => {\n\t\t\tif ( this.isOpen ) {\n\t\t\t\tthis.buttonView.focus();\n\t\t\t\tthis.isOpen = false;\n\t\t\t\tcancel();\n\t\t\t}\n\t\t};\n\n\t\t// Open the dropdown panel using the arrow down key, just like with return or space.\n\t\tthis.keystrokes.set( 'arrowdown', ( data, cancel ) => {\n\t\t\t// Don't open if the dropdown is disabled or already open.\n\t\t\tif ( this.buttonView.isEnabled && !this.isOpen ) {\n\t\t\t\tthis.isOpen = true;\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\n\t\t// Block the right arrow key (until nested dropdowns are implemented).\n\t\tthis.keystrokes.set( 'arrowright', ( data, cancel ) => {\n\t\t\tif ( this.isOpen ) {\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\n\t\t// Close the dropdown using the arrow left/escape key.\n\t\tthis.keystrokes.set( 'arrowleft', closeDropdown );\n\t\tthis.keystrokes.set( 'esc', closeDropdown );\n\t}\n\n\t/**\n\t * Focuses the {@link #buttonView}.\n\t */\n\tfocus() {\n\t\tthis.buttonView.focus();\n\t}\n\n\t/**\n\t * Returns {@link #panelView panel} positions to be used by the\n\t * {@link module:utils/dom/position~getOptimalPosition `getOptimalPosition()`}\n\t * utility considering the direction of the language the UI of the editor is displayed in.\n\t *\n\t * @type {module:utils/dom/position~Options#positions}\n\t * @private\n\t */\n\tget _panelPositions() {\n\t\tconst {\n\t\t\tsouth, north,\n\t\t\tsouthEast, southWest,\n\t\t\tnorthEast, northWest,\n\t\t\tsouthMiddleEast, southMiddleWest,\n\t\t\tnorthMiddleEast, northMiddleWest\n\t\t} = DropdownView.defaultPanelPositions;\n\n\t\tif ( this.locale.uiLanguageDirection !== 'rtl' ) {\n\t\t\treturn [\n\t\t\t\tsouthEast, southWest, southMiddleEast, southMiddleWest, south,\n\t\t\t\tnorthEast, northWest, northMiddleEast, northMiddleWest, north\n\t\t\t];\n\t\t} else {\n\t\t\treturn [\n\t\t\t\tsouthWest, southEast, southMiddleWest, southMiddleEast, south,\n\t\t\t\tnorthWest, northEast, northMiddleWest, northMiddleEast, north\n\t\t\t];\n\t\t}\n\t}\n}\n\n/**\n * A set of positioning functions used by the dropdown view to determine\n * the optimal position (i.e. fitting into the browser viewport) of its\n * {@link module:ui/dropdown/dropdownview~DropdownView#panelView panel} when\n * {@link module:ui/dropdown/dropdownview~DropdownView#panelPosition} is set to 'auto'`.\n *\n * The available positioning functions are as follow:\n *\n * **South**\n *\n * * `south`\n *\n *\t\t\t[ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * * `southEast`\n *\n *\t\t[ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * * `southWest`\n *\n *\t\t         [ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * * `southMiddleEast`\n *\n *\t\t  [ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * * `southMiddleWest`\n *\n *\t\t       [ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * **North**\n *\n * * `north`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t    [ Button ]\n *\n * * `northEast`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t[ Button ]\n *\n * * `northWest`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t         [ Button ]\n *\n * * `northMiddleEast`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t  [ Button ]\n *\n * * `northMiddleWest`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t       [ Button ]\n *\n * Positioning functions are compatible with {@link module:utils/dom/position~Position}.\n *\n * The name that position function returns will be reflected in dropdown panel's class that\n * controls its placement. See {@link module:ui/dropdown/dropdownview~DropdownView#panelPosition}\n * to learn more.\n *\n * @member {Object} module:ui/dropdown/dropdownview~DropdownView.defaultPanelPositions\n */\nDropdownView.defaultPanelPositions = {\n\tsouth: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) / 2,\n\t\t\tname: 's'\n\t\t};\n\t},\n\tsouthEast: buttonRect => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left,\n\t\t\tname: 'se'\n\t\t};\n\t},\n\tsouthWest: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left - panelRect.width + buttonRect.width,\n\t\t\tname: 'sw'\n\t\t};\n\t},\n\tsouthMiddleEast: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) / 4,\n\t\t\tname: 'sme'\n\t\t};\n\t},\n\tsouthMiddleWest: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) * 3 / 4,\n\t\t\tname: 'smw'\n\t\t};\n\t},\n\tnorth: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) / 2,\n\t\t\tname: 'n'\n\t\t};\n\t},\n\tnorthEast: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left,\n\t\t\tname: 'ne'\n\t\t};\n\t},\n\tnorthWest: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left - panelRect.width + buttonRect.width,\n\t\t\tname: 'nw'\n\t\t};\n\t},\n\tnorthMiddleEast: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) / 4,\n\t\t\tname: 'nme'\n\t\t};\n\t},\n\tnorthMiddleWest: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) * 3 / 4,\n\t\t\tname: 'nmw'\n\t\t};\n\t}\n};\n\n/**\n * A function used to calculate the optimal position for the dropdown panel.\n *\n * @protected\n * @member {Function} module:ui/dropdown/dropdownview~DropdownView._getOptimalPosition\n */\nDropdownView._getOptimalPosition = getOptimalPosition;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* global DOMParser */\n\n/**\n * @module ui/icon/iconview\n */\n\nimport View from '../view';\n\nimport '../../theme/components/icon/icon.css';\n\n/**\n * The icon view class.\n *\n * @extends module:ui/view~View\n */\nexport default class IconView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor() {\n\t\tsuper();\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * The SVG source of the icon.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #content\n\t\t */\n\t\tthis.set( 'content', '' );\n\n\t\t/**\n\t\t * This attribute specifies the boundaries to which the\n\t\t * icon content should stretch.\n\t\t *\n\t\t * @observable\n\t\t * @default '0 0 20 20'\n\t\t * @member {String} #viewBox\n\t\t */\n\t\tthis.set( 'viewBox', '0 0 20 20' );\n\n\t\t/**\n\t\t * The fill color of the child `path.ck-icon__fill`.\n\t\t *\n\t\t * @observable\n\t\t * @default ''\n\t\t * @member {String} #fillColor\n\t\t */\n\t\tthis.set( 'fillColor', '' );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'svg',\n\t\t\tns: 'http://www.w3.org/2000/svg',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-icon'\n\t\t\t\t],\n\t\t\t\tviewBox: bind.to( 'viewBox' )\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis._updateXMLContent();\n\t\tthis._colorFillPaths();\n\n\t\t// This is a hack for lack of innerHTML binding.\n\t\t// See: https://github.com/ckeditor/ckeditor5-ui/issues/99.\n\t\tthis.on( 'change:content', () => {\n\t\t\tthis._updateXMLContent();\n\t\t\tthis._colorFillPaths();\n\t\t} );\n\n\t\tthis.on( 'change:fillColor', () => {\n\t\t\tthis._colorFillPaths();\n\t\t} );\n\t}\n\n\t/**\n\t * Updates the {@link #element} with the value of {@link #content}.\n\t *\n\t * @private\n\t */\n\t_updateXMLContent() {\n\t\tif ( this.content ) {\n\t\t\tconst parsed = new DOMParser().parseFromString( this.content.trim(), 'image/svg+xml' );\n\t\t\tconst svg = parsed.querySelector( 'svg' );\n\t\t\tconst viewBox = svg.getAttribute( 'viewBox' );\n\n\t\t\tif ( viewBox ) {\n\t\t\t\tthis.viewBox = viewBox;\n\t\t\t}\n\n\t\t\tthis.element.innerHTML = '';\n\n\t\t\twhile ( svg.childNodes.length > 0 ) {\n\t\t\t\tthis.element.appendChild( svg.childNodes[ 0 ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Fills all child `path.ck-icon__fill` with the `#fillColor`.\n\t *\n\t * @private\n\t */\n\t_colorFillPaths() {\n\t\tif ( this.fillColor ) {\n\t\t\tthis.element.querySelectorAll( '.ck-icon__fill' ).forEach( path => {\n\t\t\t\tpath.style.fill = this.fillColor;\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/tooltip/tooltipview\n */\n\nimport View from '../view';\n\nimport '../../theme/components/tooltip/tooltip.css';\n\n/**\n * The tooltip view class.\n *\n * @extends module:ui/view~View\n */\nexport default class TooltipView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The text of the tooltip visible to the user.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #text\n\t\t */\n\t\tthis.set( 'text', '' );\n\n\t\t/**\n\t\t * The position of the tooltip (south, south-west, south-east, or north).\n\t\t *\n\t\t *\t\t+-----------+\n\t\t *\t\t|   north   |\n\t\t *\t\t+-----------+\n\t\t *\t\t      V\n\t\t *\t\t  [element]\n\t\t *\n\t\t *\t\t  [element]\n\t\t *\t\t      ^\n\t\t *\t\t+-----------+\n\t\t *\t\t|   south   |\n\t\t *\t\t+-----------+\n\t\t *\n\t\t *                +----------+\n\t\t *    [element] < |   east   |\n\t\t *                +----------+\n\t\t *\n\t\t *    +----------+\n\t\t *    |   west   | > [element]\n\t\t *    +----------+\n\t\t *\n\t\t *\t\t         [element]\n\t\t *\t\t             ^\n\t\t *\t\t+--------------+\n\t\t *\t\t|  south west  |\n\t\t *\t\t+--------------+\n\t\t *\n\t\t *\t  [element]\n\t\t *\t\t  ^\n\t\t *\t\t+--------------+\n\t\t *\t\t|  south east  |\n\t\t *\t\t+--------------+\n\n\t\t * @observable\n\t\t * @default 's'\n\t\t * @member {'s'|'n'|'e'|'w'|'sw'|'se'} #position\n\t\t */\n\t\tthis.set( 'position', 's' );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-tooltip',\n\t\t\t\t\tbind.to( 'position', position => 'ck-tooltip_' + position ),\n\t\t\t\t\tbind.if( 'text', 'ck-hidden', value => !value.trim() )\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'span',\n\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t\t'ck-tooltip__text'\n\t\t\t\t\t\t]\n\t\t\t\t\t},\n\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttext: bind.to( 'text' )\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/button/buttonview\n */\n\nimport View from '../view';\nimport IconView from '../icon/iconview';\nimport TooltipView from '../tooltip/tooltipview';\n\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\nimport { getEnvKeystrokeText } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\nimport '../../theme/components/button/button.css';\n\n/**\n * The button view class.\n *\n *\t\tconst view = new ButtonView();\n *\n *\t\tview.set( {\n *\t\t\tlabel: 'A button',\n *\t\t\tkeystroke: 'Ctrl+B',\n *\t\t\ttooltip: true,\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tview.render();\n *\n *\t\tdocument.body.append( view.element );\n *\n * @extends module:ui/view~View\n * @implements module:ui/button/button~Button\n */\nexport default class ButtonView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\t\tconst ariaLabelUid = uid();\n\n\t\t// Implement the Button interface.\n\t\tthis.set( 'class' );\n\t\tthis.set( 'labelStyle' );\n\t\tthis.set( 'icon' );\n\t\tthis.set( 'isEnabled', true );\n\t\tthis.set( 'isOn', false );\n\t\tthis.set( 'isVisible', true );\n\t\tthis.set( 'isToggleable', false );\n\t\tthis.set( 'keystroke' );\n\t\tthis.set( 'label' );\n\t\tthis.set( 'tabindex', -1 );\n\t\tthis.set( 'tooltip' );\n\t\tthis.set( 'tooltipPosition', 's' );\n\t\tthis.set( 'type', 'button' );\n\t\tthis.set( 'withText', false );\n\t\tthis.set( 'withKeystroke', false );\n\n\t\t/**\n\t\t * Collection of the child views inside of the button {@link #element}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\t/**\n\t\t * Tooltip of the button view. It is configurable using the {@link #tooltip tooltip attribute}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/tooltip/tooltipview~TooltipView} #tooltipView\n\t\t */\n\t\tthis.tooltipView = this._createTooltipView();\n\n\t\t/**\n\t\t * Label of the button view. It is configurable using the {@link #label label attribute}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/view~View} #labelView\n\t\t */\n\t\tthis.labelView = this._createLabelView( ariaLabelUid );\n\n\t\t/**\n\t\t * The icon view of the button. Will be added to {@link #children} when the\n\t\t * {@link #icon icon attribute} is defined.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/icon/iconview~IconView} #iconView\n\t\t */\n\t\tthis.iconView = new IconView();\n\n\t\tthis.iconView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-button__icon'\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * A view displaying the keystroke of the button next to the {@link #labelView label}.\n\t\t * Added to {@link #children} when the {@link #withKeystroke `withKeystroke` attribute}\n\t\t * is defined.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/view/view~View} #keystrokeView\n\t\t */\n\t\tthis.keystrokeView = this._createKeystrokeView();\n\n\t\t/**\n\t\t * Tooltip of the button bound to the template.\n\t\t *\n\t\t * @see #tooltip\n\t\t * @see #_getTooltipString\n\t\t * @private\n\t\t * @observable\n\t\t * @member {Boolean} #_tooltipString\n\t\t */\n\t\tthis.bind( '_tooltipString' ).to(\n\t\t\tthis, 'tooltip',\n\t\t\tthis, 'label',\n\t\t\tthis, 'keystroke',\n\t\t\tthis._getTooltipString.bind( this )\n\t\t);\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'button',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-button',\n\t\t\t\t\tbind.to( 'class' ),\n\t\t\t\t\tbind.if( 'isEnabled', 'ck-disabled', value => !value ),\n\t\t\t\t\tbind.if( 'isVisible', 'ck-hidden', value => !value ),\n\t\t\t\t\tbind.to( 'isOn', value => value ? 'ck-on' : 'ck-off' ),\n\t\t\t\t\tbind.if( 'withText', 'ck-button_with-text' ),\n\t\t\t\t\tbind.if( 'withKeystroke', 'ck-button_with-keystroke' )\n\t\t\t\t],\n\t\t\t\ttype: bind.to( 'type', value => value ? value : 'button' ),\n\t\t\t\ttabindex: bind.to( 'tabindex' ),\n\t\t\t\t'aria-labelledby': `ck-editor__aria-label_${ ariaLabelUid }`,\n\t\t\t\t'aria-disabled': bind.if( 'isEnabled', true, value => !value ),\n\t\t\t\t'aria-pressed': bind.to( 'isOn', value => this.isToggleable ? String( value ) : false )\n\t\t\t},\n\n\t\t\tchildren: this.children,\n\n\t\t\ton: {\n\t\t\t\tmousedown: bind.to( evt => {\n\t\t\t\t\tevt.preventDefault();\n\t\t\t\t} ),\n\n\t\t\t\tclick: bind.to( evt => {\n\t\t\t\t\t// We can't make the button disabled using the disabled attribute, because it won't be focusable.\n\t\t\t\t\t// Though, shouldn't this condition be moved to the button controller?\n\t\t\t\t\tif ( this.isEnabled ) {\n\t\t\t\t\t\tthis.fire( 'execute' );\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// Prevent the default when button is disabled, to block e.g.\n\t\t\t\t\t\t// automatic form submitting. See ckeditor/ckeditor5-link#74.\n\t\t\t\t\t\tevt.preventDefault();\n\t\t\t\t\t}\n\t\t\t\t} )\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tif ( this.icon ) {\n\t\t\tthis.iconView.bind( 'content' ).to( this, 'icon' );\n\t\t\tthis.children.add( this.iconView );\n\t\t}\n\n\t\tthis.children.add( this.tooltipView );\n\t\tthis.children.add( this.labelView );\n\n\t\tif ( this.withKeystroke ) {\n\t\t\tthis.children.add( this.keystrokeView );\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the {@link #element} of the button.\n\t */\n\tfocus() {\n\t\tthis.element.focus();\n\t}\n\n\t/**\n\t * Creates a {@link module:ui/tooltip/tooltipview~TooltipView} instance and binds it with button\n\t * attributes.\n\t *\n\t * @private\n\t * @returns {module:ui/tooltip/tooltipview~TooltipView}\n\t */\n\t_createTooltipView() {\n\t\tconst tooltipView = new TooltipView();\n\n\t\ttooltipView.bind( 'text' ).to( this, '_tooltipString' );\n\t\ttooltipView.bind( 'position' ).to( this, 'tooltipPosition' );\n\n\t\treturn tooltipView;\n\t}\n\n\t/**\n\t * Creates a label view instance and binds it with button attributes.\n\t *\n\t * @private\n\t * @param {String} ariaLabelUid The aria label UID.\n\t * @returns {module:ui/view~View}\n\t */\n\t_createLabelView( ariaLabelUid ) {\n\t\tconst labelView = new View();\n\t\tconst bind = this.bindTemplate;\n\n\t\tlabelView.setTemplate( {\n\t\t\ttag: 'span',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-button__label'\n\t\t\t\t],\n\t\t\t\tstyle: bind.to( 'labelStyle' ),\n\t\t\t\tid: `ck-editor__aria-label_${ ariaLabelUid }`\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttext: this.bindTemplate.to( 'label' )\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\treturn labelView;\n\t}\n\n\t/**\n\t * Creates a view that displays a keystroke next to a {@link #labelView label }\n\t * and binds it with button attributes.\n\t *\n\t * @private\n\t * @returns {module:ui/view~View}\n\t */\n\t_createKeystrokeView() {\n\t\tconst keystrokeView = new View();\n\n\t\tkeystrokeView.setTemplate( {\n\t\t\ttag: 'span',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-button__keystroke'\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttext: this.bindTemplate.to( 'keystroke', text => getEnvKeystrokeText( text ) )\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\treturn keystrokeView;\n\t}\n\n\t/**\n\t * Gets the text for the {@link #tooltipView} from the combination of\n\t * {@link #tooltip}, {@link #label} and {@link #keystroke} attributes.\n\t *\n\t * @private\n\t * @see #tooltip\n\t * @see #_tooltipString\n\t * @param {Boolean|String|Function} tooltip Button tooltip.\n\t * @param {String} label Button label.\n\t * @param {String} keystroke Button keystroke.\n\t * @returns {String}\n\t */\n\t_getTooltipString( tooltip, label, keystroke ) {\n\t\tif ( tooltip ) {\n\t\t\tif ( typeof tooltip == 'string' ) {\n\t\t\t\treturn tooltip;\n\t\t\t} else {\n\t\t\t\tif ( keystroke ) {\n\t\t\t\t\tkeystroke = getEnvKeystrokeText( keystroke );\n\t\t\t\t}\n\n\t\t\t\tif ( tooltip instanceof Function ) {\n\t\t\t\t\treturn tooltip( label, keystroke );\n\t\t\t\t} else {\n\t\t\t\t\treturn `${ label }${ keystroke ? ` (${ keystroke })` : '' }`;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn '';\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 10 10\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/button/dropdownbuttonview\n */\n\nimport ButtonView from '../../button/buttonview';\n\nimport dropdownArrowIcon from '../../../theme/icons/dropdown-arrow.svg';\nimport IconView from '../../icon/iconview';\n\n/**\n * The default dropdown button view class.\n *\n *\t\tconst view = new DropdownButtonView();\n *\n *\t\tview.set( {\n *\t\t\tlabel: 'A button',\n *\t\t\tkeystroke: 'Ctrl+B',\n *\t\t\ttooltip: true\n *\t\t} );\n *\n *\t\tview.render();\n *\n *\t\tdocument.body.append( view.element );\n *\n * Also see the {@link module:ui/dropdown/utils~createDropdown `createDropdown()` util}.\n *\n * @implements module:ui/dropdown/button/dropdownbutton~DropdownButton\n * @extends module:ui/button/buttonview~ButtonView\n */\nexport default class DropdownButtonView extends ButtonView {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * An icon that displays arrow to indicate a dropdown button.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/icon/iconview~IconView}\n\t\t */\n\t\tthis.arrowView = this._createArrowView();\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\t'aria-haspopup': true\n\t\t\t}\n\t\t} );\n\n\t\t// The DropdownButton interface expects the open event upon which will open the dropdown.\n\t\tthis.delegate( 'execute' ).to( this, 'open' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.children.add( this.arrowView );\n\t}\n\n\t/**\n\t * Creates a {@link module:ui/icon/iconview~IconView} instance as {@link #arrowView}.\n\t *\n\t * @private\n\t * @returns {module:ui/icon/iconview~IconView}\n\t */\n\t_createArrowView() {\n\t\tconst arrowView = new IconView();\n\n\t\tarrowView.content = dropdownArrowIcon;\n\n\t\tarrowView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-dropdown__arrow'\n\t\t\t}\n\t\t} );\n\n\t\treturn arrowView;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/list/listview\n */\n\nimport View from '../view';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '../focuscycler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\n\nimport '../../theme/components/list/list.css';\n\n/**\n * The list view class.\n *\n * @extends module:ui/view~View\n * @implements module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable\n */\nexport default class ListView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor() {\n\t\tsuper();\n\n\t\t/**\n\t\t * Collection of the child list views.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this.createCollection();\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the list.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * Instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * Helps cycling over focusable {@link #items} in the list.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this.items,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate list items backwards using the arrowup key.\n\t\t\t\tfocusPrevious: 'arrowup',\n\n\t\t\t\t// Navigate toolbar items forwards using the arrowdown key.\n\t\t\t\tfocusNext: 'arrowdown'\n\t\t\t}\n\t\t} );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'ul',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-reset',\n\t\t\t\t\t'ck-list'\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: this.items\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Items added before rendering should be known to the #focusTracker.\n\t\tfor ( const item of this.items ) {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t}\n\n\t\tthis.items.on( 'add', ( evt, item ) => {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t} );\n\n\t\tthis.items.on( 'remove', ( evt, item ) => {\n\t\t\tthis.focusTracker.remove( item.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * Focuses the first focusable in {@link #items}.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Focuses the last focusable in {@link #items}.\n\t */\n\tfocusLast() {\n\t\tthis._focusCycler.focusLast();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/list/listitemview\n */\n\nimport View from '../view';\n\n/**\n * The list item view class.\n *\n * @extends module:ui/view~View\n */\nexport default class ListItemView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * Collection of the child views inside of the list item {@link #element}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'li',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-list__item'\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the list item.\n\t */\n\tfocus() {\n\t\tthis.children.first.focus();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/list/listseparatorview\n */\n\nimport View from '../view';\n\n/**\n * The list separator view class.\n *\n * @extends module:ui/view~View\n */\nexport default class ListSeparatorView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'li',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-list__separator'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/button/switchbuttonview\n */\n\nimport View from '../view';\nimport ButtonView from './buttonview';\n\nimport '../../theme/components/button/switchbutton.css';\n\n/**\n * The switch button view class.\n *\n *\t\tconst view = new SwitchButtonView();\n *\n *\t\tview.set( {\n *\t\t\twithText: true,\n *\t\t\tlabel: 'Switch me!'\n *\t\t} );\n *\n *\t\tview.render();\n *\n *\t\tdocument.body.append( view.element );\n *\n * @extends module:ui/button/buttonview~ButtonView\n */\nexport default class SwitchButtonView extends ButtonView {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.isToggleable = true;\n\n\t\t/**\n\t\t * The toggle switch of the button.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/view~View} #toggleSwitchView\n\t\t */\n\t\tthis.toggleSwitchView = this._createToggleView();\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-switchbutton'\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.children.add( this.toggleSwitchView );\n\t}\n\n\t/**\n\t * Creates a toggle child view.\n\t *\n\t * @private\n\t * @returns {module:ui/view~View}\n\t */\n\t_createToggleView() {\n\t\tconst toggleSwitchView = new View();\n\n\t\ttoggleSwitchView.setTemplate( {\n\t\t\ttag: 'span',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-button__toggle'\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'span',\n\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t\t'ck-button__toggle__inner'\n\t\t\t\t\t\t]\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\treturn toggleSwitchView;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/bindings/clickoutsidehandler\n */\n\n/* global document */\n\n/**\n * Handles clicking **outside** of a specified set of elements, then fires an action.\n *\n * **Note**: Actually, the action is executed upon `mousedown`, not `click`. It prevents\n * certain issues when the user keeps holding the mouse button and the UI cannot react\n * properly.\n *\n * @param {Object} options Configuration options.\n * @param {module:utils/dom/emittermixin~Emitter} options.emitter The emitter to which this behavior\n * should be added.\n * @param {Function} options.activator Function returning a `Boolean`, to determine whether the handler is active.\n * @param {Array.<HTMLElement>} options.contextElements HTML elements that determine the scope of the\n * handler. Clicking any of them or their descendants will **not** fire the callback.\n * @param {Function} options.callback An action executed by the handler.\n */\nexport default function clickOutsideHandler( { emitter, activator, callback, contextElements } ) {\n\temitter.listenTo( document, 'mousedown', ( evt, domEvt ) => {\n\t\tif ( !activator() ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Check if `composedPath` is `undefined` in case the browser does not support native shadow DOM.\n\t\t// Can be removed when all supported browsers support native shadow DOM.\n\t\tconst path = typeof domEvt.composedPath == 'function' ? domEvt.composedPath() : [];\n\n\t\tfor ( const contextElement of contextElements ) {\n\t\t\tif ( contextElement.contains( domEvt.target ) || path.includes( contextElement ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\tcallback();\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/utils\n */\n\nimport DropdownPanelView from './dropdownpanelview';\nimport DropdownView from './dropdownview';\nimport DropdownButtonView from './button/dropdownbuttonview';\nimport ToolbarView from '../toolbar/toolbarview';\nimport ListView from '../list/listview';\nimport ListItemView from '../list/listitemview';\nimport ListSeparatorView from '../list/listseparatorview';\nimport ButtonView from '../button/buttonview';\nimport SwitchButtonView from '../button/switchbuttonview';\n\nimport clickOutsideHandler from '../bindings/clickoutsidehandler';\n\nimport '../../theme/components/dropdown/toolbardropdown.css';\nimport '../../theme/components/dropdown/listdropdown.css';\n\n/**\n * A helper for creating dropdowns. It creates an instance of a {@link module:ui/dropdown/dropdownview~DropdownView dropdown},\n * with a {@link module:ui/dropdown/button/dropdownbutton~DropdownButton button},\n * {@link module:ui/dropdown/dropdownpanelview~DropdownPanelView panel} and all standard dropdown's behaviors.\n *\n * # Creating dropdowns\n *\n * By default, the default {@link module:ui/dropdown/button/dropdownbuttonview~DropdownButtonView} class is used as\n * definition of the button:\n *\n *\t\tconst dropdown = createDropdown( model );\n *\n *\t\t// Configure dropdown's button properties:\n *\t\tdropdown.buttonView.set( {\n *\t\t\tlabel: 'A dropdown',\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tdropdown.render();\n *\n *\t\t// Will render a dropdown labeled \"A dropdown\" with an empty panel.\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * You can also provide other button views (they need to implement the\n * {@link module:ui/dropdown/button/dropdownbutton~DropdownButton} interface). For instance, you can use\n * {@link module:ui/dropdown/button/splitbuttonview~SplitButtonView} to create a dropdown with a split button.\n *\n *\t\tconst dropdown = createDropdown( model, SplitButtonView );\n *\n *\t\t// Configure dropdown's button properties:\n *\t\tdropdown.buttonView.set( {\n *\t\t\tlabel: 'A dropdown',\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tdropdown.buttonView.on( 'execute', () => {\n *\t\t\t// Add the behavior of the \"action part\" of the split button.\n *\t\t\t// Split button consists of the \"action part\" and \"arrow part\".\n *\t\t\t// The arrow opens the dropdown while the action part can have some other behavior.\n * \t\t} );\n *\n *\t\tdropdown.render();\n *\n *\t\t// Will render a dropdown labeled \"A dropdown\" with an empty panel.\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * # Adding content to the dropdown's panel\n *\n * The content of the panel can be inserted directly into the `dropdown.panelView.element`:\n *\n *\t\tdropdown.panelView.element.textContent = 'Content of the panel';\n *\n * However, most of the time you will want to add there either a {@link module:ui/list/listview~ListView list of options}\n * or a list of buttons (i.e. a {@link module:ui/toolbar/toolbarview~ToolbarView toolbar}).\n * To simplify the task, you can use, respectively, {@link module:ui/dropdown/utils~addListToDropdown} or\n * {@link module:ui/dropdown/utils~addToolbarToDropdown} utils.\n *\n * @param {module:utils/locale~Locale} locale The locale instance.\n * @param {Function} ButtonClass The dropdown button view class. Needs to implement the\n * {@link module:ui/dropdown/button/dropdownbutton~DropdownButton} interface.\n * @returns {module:ui/dropdown/dropdownview~DropdownView} The dropdown view instance.\n */\nexport function createDropdown( locale, ButtonClass = DropdownButtonView ) {\n\tconst buttonView = new ButtonClass( locale );\n\n\tconst panelView = new DropdownPanelView( locale );\n\tconst dropdownView = new DropdownView( locale, buttonView, panelView );\n\n\tbuttonView.bind( 'isEnabled' ).to( dropdownView );\n\n\tif ( buttonView instanceof DropdownButtonView ) {\n\t\tbuttonView.bind( 'isOn' ).to( dropdownView, 'isOpen' );\n\t} else {\n\t\tbuttonView.arrowView.bind( 'isOn' ).to( dropdownView, 'isOpen' );\n\t}\n\n\taddDefaultBehavior( dropdownView );\n\n\treturn dropdownView;\n}\n\n/**\n * Adds an instance of {@link module:ui/toolbar/toolbarview~ToolbarView} to a dropdown.\n *\n *\t\tconst buttons = [];\n *\n *\t\t// Either create a new ButtonView instance or create existing.\n *\t\tbuttons.push( new ButtonView() );\n *\t\tbuttons.push( editor.ui.componentFactory.create( 'someButton' ) );\n *\n *\t\tconst dropdown = createDropdown( locale );\n *\n *\t\taddToolbarToDropdown( dropdown, buttons );\n *\n *\t\tdropdown.toolbarView.isVertical = true;\n *\n *\t\t// Will render a vertical button dropdown labeled \"A button dropdown\"\n *\t\t// with a button group in the panel containing two buttons.\n *\t\tdropdown.render()\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * See {@link module:ui/dropdown/utils~createDropdown} and {@link module:ui/toolbar/toolbarview~ToolbarView}.\n *\n * @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView A dropdown instance to which `ToolbarView` will be added.\n * @param {Iterable.<module:ui/button/buttonview~ButtonView>} buttons\n */\nexport function addToolbarToDropdown( dropdownView, buttons ) {\n\tconst locale = dropdownView.locale;\n\tconst t = locale.t;\n\tconst toolbarView = dropdownView.toolbarView = new ToolbarView( locale );\n\n\ttoolbarView.set( 'ariaLabel', t( 'Dropdown toolbar' ) );\n\n\tdropdownView.extendTemplate( {\n\t\tattributes: {\n\t\t\tclass: [ 'ck-toolbar-dropdown' ]\n\t\t}\n\t} );\n\n\tbuttons.map( view => toolbarView.items.add( view ) );\n\n\tdropdownView.panelView.children.add( toolbarView );\n\ttoolbarView.items.delegate( 'execute' ).to( dropdownView );\n}\n\n/**\n * Adds an instance of {@link module:ui/list/listview~ListView} to a dropdown.\n *\n *\t\tconst items = new Collection();\n *\n *\t\titems.add( {\n *\t\t\ttype: 'button',\n *\t\t\tmodel: new Model( {\n *\t\t\t\twithText: true,\n *\t\t\t\tlabel: 'First item',\n *\t\t\t\tlabelStyle: 'color: red'\n *\t\t\t} )\n *\t\t} );\n *\n *\t\titems.add( {\n *\t\t\t type: 'button',\n *\t\t\t model: new Model( {\n *\t\t\t\twithText: true,\n *\t\t\t\tlabel: 'Second item',\n *\t\t\t\tlabelStyle: 'color: green',\n *\t\t\t\tclass: 'foo'\n *\t\t\t} )\n *\t\t} );\n *\n *\t\tconst dropdown = createDropdown( locale );\n *\n *\t\taddListToDropdown( dropdown, items );\n *\n *\t\t// Will render a dropdown with a list in the panel containing two items.\n *\t\tdropdown.render()\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * The `items` collection passed to this methods controls the presence and attributes of respective\n * {@link module:ui/list/listitemview~ListItemView list items}.\n *\n *\n * See {@link module:ui/dropdown/utils~createDropdown} and {@link module:list/list~List}.\n *\n * @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView A dropdown instance to which `ListVIew` will be added.\n * @param {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>} items\n * A collection of the list item definitions to populate the list.\n */\nexport function addListToDropdown( dropdownView, items ) {\n\tconst locale = dropdownView.locale;\n\tconst listView = dropdownView.listView = new ListView( locale );\n\n\tlistView.items.bindTo( items ).using( ( { type, model } ) => {\n\t\tif ( type === 'separator' ) {\n\t\t\treturn new ListSeparatorView( locale );\n\t\t} else if ( type === 'button' || type === 'switchbutton' ) {\n\t\t\tconst listItemView = new ListItemView( locale );\n\t\t\tlet buttonView;\n\n\t\t\tif ( type === 'button' ) {\n\t\t\t\tbuttonView = new ButtonView( locale );\n\t\t\t} else {\n\t\t\t\tbuttonView = new SwitchButtonView( locale );\n\t\t\t}\n\n\t\t\t// Bind all model properties to the button view.\n\t\t\tbuttonView.bind( ...Object.keys( model ) ).to( model );\n\t\t\tbuttonView.delegate( 'execute' ).to( listItemView );\n\n\t\t\tlistItemView.children.add( buttonView );\n\n\t\t\treturn listItemView;\n\t\t}\n\t} );\n\n\tdropdownView.panelView.children.add( listView );\n\n\tlistView.items.delegate( 'execute' ).to( dropdownView );\n}\n\n// Add a set of default behaviors to dropdown view.\n//\n// @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\nfunction addDefaultBehavior( dropdownView ) {\n\tcloseDropdownOnBlur( dropdownView );\n\tcloseDropdownOnExecute( dropdownView );\n\tfocusDropdownContentsOnArrows( dropdownView );\n}\n\n// Adds a behavior to a dropdownView that closes opened dropdown when user clicks outside the dropdown.\n//\n// @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\nfunction closeDropdownOnBlur( dropdownView ) {\n\tdropdownView.on( 'render', () => {\n\t\tclickOutsideHandler( {\n\t\t\temitter: dropdownView,\n\t\t\tactivator: () => dropdownView.isOpen,\n\t\t\tcallback: () => {\n\t\t\t\tdropdownView.isOpen = false;\n\t\t\t},\n\t\t\tcontextElements: [ dropdownView.element ]\n\t\t} );\n\t} );\n}\n\n// Adds a behavior to a dropdownView that closes the dropdown view on \"execute\" event.\n//\n// @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\nfunction closeDropdownOnExecute( dropdownView ) {\n\t// Close the dropdown when one of the list items has been executed.\n\tdropdownView.on( 'execute', evt => {\n\t\t// Toggling a switch button view should not close the dropdown.\n\t\tif ( evt.source instanceof SwitchButtonView ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdropdownView.isOpen = false;\n\t} );\n}\n\n// Adds a behavior to a dropdownView that focuses the dropdown's panel view contents on keystrokes.\n//\n// @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\nfunction focusDropdownContentsOnArrows( dropdownView ) {\n\t// If the dropdown panel is already open, the arrow down key should focus the first child of the #panelView.\n\tdropdownView.keystrokes.set( 'arrowdown', ( data, cancel ) => {\n\t\tif ( dropdownView.isOpen ) {\n\t\t\tdropdownView.panelView.focus();\n\t\t\tcancel();\n\t\t}\n\t} );\n\n\t// If the dropdown panel is already open, the arrow up key should focus the last child of the #panelView.\n\tdropdownView.keystrokes.set( 'arrowup', ( data, cancel ) => {\n\t\tif ( dropdownView.isOpen ) {\n\t\t\tdropdownView.panelView.focusLast();\n\t\t\tcancel();\n\t\t}\n\t} );\n}\n\n/**\n * A definition of the list item used by the {@link module:ui/dropdown/utils~addListToDropdown}\n * utility.\n *\n * @typedef {Object} module:ui/dropdown/utils~ListDropdownItemDefinition\n *\n * @property {String} type Either `'separator'`, `'button'` or `'switchbutton'`.\n * @property {module:ui/model~Model} [model] Model of the item (when **not** `'separator'`).\n * Its properties fuel the newly created list item (or its children, depending on the `type`).\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/toolbarview\n */\n\nimport View from '../view';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '../focuscycler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport ToolbarSeparatorView from './toolbarseparatorview';\nimport ToolbarLineBreakView from './toolbarlinebreakview';\nimport ResizeObserver from '@ckeditor/ckeditor5-utils/src/dom/resizeobserver';\nimport preventDefault from '../bindings/preventdefault.js';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport { createDropdown, addToolbarToDropdown } from '../dropdown/utils';\nimport { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport verticalDotsIcon from '@ckeditor/ckeditor5-core/theme/icons/three-vertical-dots.svg';\nimport normalizeToolbarConfig from './normalizetoolbarconfig';\n\nimport '../../theme/components/toolbar/toolbar.css';\n\n/**\n * The toolbar view class.\n *\n * @extends module:ui/view~View\n * @implements module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable\n */\nexport default class ToolbarView extends View {\n\t/**\n\t * Creates an instance of the {@link module:ui/toolbar/toolbarview~ToolbarView} class.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} locale The localization services instance.\n\t * @param {module:ui/toolbar/toolbarview~ToolbarOptions} [options] Configuration options of the toolbar.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\t\tconst t = this.t;\n\n\t\t/**\n\t\t * A reference to the options object passed to the constructor.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ToolbarOptions}\n\t\t */\n\t\tthis.options = options || {};\n\n\t\t/**\n\t\t * Label used by assistive technologies to describe this toolbar element.\n\t\t *\n\t\t * @default 'Editor toolbar'\n\t\t * @member {String} #ariaLabel\n\t\t */\n\t\tthis.set( 'ariaLabel', t( 'Editor toolbar' ) );\n\n\t\t/**\n\t\t * The maximum width of the toolbar element.\n\t\t *\n\t\t * **Note**: When set to a specific value (e.g. `'200px'`), the value will affect the behavior of the\n\t\t * {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull}\n\t\t * option by changing the number of {@link #items} that will be displayed in the toolbar at a time.\n\t\t *\n\t\t * @observable\n\t\t * @default 'auto'\n\t\t * @member {String} #maxWidth\n\t\t */\n\t\tthis.set( 'maxWidth', 'auto' );\n\n\t\t/**\n\t\t * A collection of toolbar items (buttons, dropdowns, etc.).\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this.createCollection();\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the toolbar.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}\n\t\t * to handle keyboard navigation in the toolbar.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * An additional CSS class added to the {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class' );\n\n\t\t/**\n\t\t * When set true, makes the toolbar look compact with {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @default false\n\t\t * @member {String} #isCompact\n\t\t */\n\t\tthis.set( 'isCompact', false );\n\n\t\t/**\n\t\t * A (child) view containing {@link #items toolbar items}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ItemsView}\n\t\t */\n\t\tthis.itemsView = new ItemsView( locale );\n\n\t\t/**\n\t\t * A top–level collection aggregating building blocks of the toolbar.\n\t\t *\n\t\t *\t┌───────────────── ToolbarView ─────────────────┐\n\t\t *\t| ┌──────────────── #children ────────────────┐ |\n\t\t *\t| |   ┌──────────── #itemsView ───────────┐   | |\n\t\t *\t| |   | [ item1 ] [ item2 ] ... [ itemN ] |   | |\n\t\t *\t| |   └──────────────────────────────────-┘   | |\n\t\t *\t| └───────────────────────────────────────────┘ |\n\t\t *\t└───────────────────────────────────────────────┘\n\t\t *\n\t\t * By default, it contains the {@link #itemsView} but it can be extended with additional\n\t\t * UI elements when necessary.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\t\tthis.children.add( this.itemsView );\n\n\t\t/**\n\t\t * A collection of {@link #items} that take part in the focus cycling\n\t\t * (i.e. navigation using the keyboard). Usually, it contains a subset of {@link #items} with\n\t\t * some optional UI elements that also belong to the toolbar and should be focusable\n\t\t * by the user.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.focusables = this.createCollection();\n\n\t\t/**\n\t\t * Controls the orientation of toolbar items. Only available when\n\t\t * {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull dynamic items grouping}\n\t\t * is **disabled**.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isVertical\n\t\t */\n\n\t\t/**\n\t\t * Helps cycling over {@link #focusables focusable items} in the toolbar.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this.focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate toolbar items backwards using the arrow[left,up] keys.\n\t\t\t\tfocusPrevious: [ 'arrowleft', 'arrowup' ],\n\n\t\t\t\t// Navigate toolbar items forwards using the arrow[right,down] keys.\n\t\t\t\tfocusNext: [ 'arrowright', 'arrowdown' ]\n\t\t\t}\n\t\t} );\n\n\t\tconst classes = [\n\t\t\t'ck',\n\t\t\t'ck-toolbar',\n\t\t\tbind.to( 'class' ),\n\t\t\tbind.if( 'isCompact', 'ck-toolbar_compact' )\n\t\t];\n\n\t\tif ( this.options.shouldGroupWhenFull && this.options.isFloating ) {\n\t\t\tclasses.push( 'ck-toolbar_floating' );\n\t\t}\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: classes,\n\t\t\t\trole: 'toolbar',\n\t\t\t\t'aria-label': bind.to( 'ariaLabel' ),\n\t\t\t\tstyle: {\n\t\t\t\t\tmaxWidth: bind.to( 'maxWidth' )\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tchildren: this.children,\n\n\t\t\ton: {\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/206\n\t\t\t\tmousedown: preventDefault( this )\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * An instance of the active toolbar behavior that shapes its look and functionality.\n\t\t *\n\t\t * See {@link module:ui/toolbar/toolbarview~ToolbarBehavior} to learn more.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ToolbarBehavior}\n\t\t */\n\t\tthis._behavior = this.options.shouldGroupWhenFull ? new DynamicGrouping( this ) : new StaticLayout( this );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Children added before rendering should be known to the #focusTracker.\n\t\tfor ( const item of this.items ) {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t}\n\n\t\tthis.items.on( 'add', ( evt, item ) => {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t} );\n\n\t\tthis.items.on( 'remove', ( evt, item ) => {\n\t\t\tthis.focusTracker.remove( item.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\n\t\tthis._behavior.render( this );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis._behavior.destroy();\n\n\t\treturn super.destroy();\n\t}\n\n\t/**\n\t * Focuses the first focusable in {@link #focusables}.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Focuses the last focusable in {@link #focusables}.\n\t */\n\tfocusLast() {\n\t\tthis._focusCycler.focusLast();\n\t}\n\n\t/**\n\t * A utility that expands the plain toolbar configuration into\n\t * {@link module:ui/toolbar/toolbarview~ToolbarView#items} using a given component factory.\n\t *\n\t * @param {Array.<String>|Object} itemsOrConfig The toolbar items or the entire toolbar configuration object.\n\t * @param {module:ui/componentfactory~ComponentFactory} factory A factory producing toolbar items.\n\t */\n\tfillFromConfig( itemsOrConfig, factory ) {\n\t\tconst config = normalizeToolbarConfig( itemsOrConfig );\n\n\t\tconst itemsToClean = config.items\n\t\t\t.filter( ( name, idx, items ) => {\n\t\t\t\tif ( name === '|' ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\t// Items listed in `config.removeItems` should not be added to the toolbar.\n\t\t\t\tif ( config.removeItems.indexOf( name ) !== -1 ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\tif ( name === '-' ) {\n\t\t\t\t\t// The toolbar line breaks must not be rendered when toolbar grouping is enabled.\n\t\t\t\t\t// (https://github.com/ckeditor/ckeditor5/issues/8582)\n\t\t\t\t\tif ( this.options.shouldGroupWhenFull ) {\n\t\t\t\t\t\t/**\n\t\t\t\t\t\t * The toolbar multiline breaks (`-` items) only work when the automatic button grouping\n\t\t\t\t\t\t * is disabled in the toolbar configuration.\n\t\t\t\t\t\t * To do this, set the `shouldNotGroupWhenFull` option to `true` in the editor configuration:\n\t\t\t\t\t\t *\n\t\t\t\t\t\t *\t\tconst config = {\n\t\t\t\t\t\t *\t\t\ttoolbar: {\n\t\t\t\t\t\t *\t\t\t\titems: [ ... ],\n\t\t\t\t\t\t *\t\t\t\tshouldNotGroupWhenFull: true\n\t\t\t\t\t\t *\t\t\t}\n\t\t\t\t\t\t *\t\t}\n\t\t\t\t\t\t *\n\t\t\t\t\t\t * Learn more about {@link module:core/editor/editorconfig~EditorConfig#toolbar toolbar configuration}.\n\t\t\t\t\t\t *\n\t\t\t\t\t\t * @error toolbarview-line-break-ignored-when-grouping-items\n\t\t\t\t\t\t */\n\t\t\t\t\t\tlogWarning( 'toolbarview-line-break-ignored-when-grouping-items', items );\n\n\t\t\t\t\t\treturn false;\n\t\t\t\t\t}\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\t// For the items that cannot be instantiated we are sending warning message. We also filter them out.\n\t\t\t\tif ( !factory.has( name ) ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * There was a problem processing the configuration of the toolbar. The item with the given\n\t\t\t\t\t * name does not exist so it was omitted when rendering the toolbar.\n\t\t\t\t\t *\n\t\t\t\t\t * This warning usually shows up when the {@link module:core/plugin~Plugin} which is supposed\n\t\t\t\t\t * to provide a toolbar item has not been loaded or there is a typo in the configuration.\n\t\t\t\t\t *\n\t\t\t\t\t * Make sure the plugin responsible for this toolbar item is loaded and the toolbar configuration\n\t\t\t\t\t * is correct, e.g. {@link module:basic-styles/bold~Bold} is loaded for the `'bold'` toolbar item.\n\t\t\t\t\t *\n\t\t\t\t\t * You can use the following snippet to retrieve all available toolbar items:\n\t\t\t\t\t *\n\t\t\t\t\t *\t\tArray.from( editor.ui.componentFactory.names() );\n\t\t\t\t\t *\n\t\t\t\t\t * @error toolbarview-item-unavailable\n\t\t\t\t\t * @param {String} name The name of the component.\n\t\t\t\t\t */\n\t\t\t\t\tlogWarning( 'toolbarview-item-unavailable', { name } );\n\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\t\t\t} );\n\n\t\tconst itemsToAdd = this._cleanSeparators( itemsToClean )\n\t\t\t// Instantiate toolbar items.\n\t\t\t.map( name => {\n\t\t\t\tif ( name === '|' ) {\n\t\t\t\t\treturn new ToolbarSeparatorView();\n\t\t\t\t} else if ( name === '-' ) {\n\t\t\t\t\treturn new ToolbarLineBreakView();\n\t\t\t\t}\n\n\t\t\t\treturn factory.create( name );\n\t\t\t} );\n\n\t\tthis.items.addMany( itemsToAdd );\n\t}\n\n\t/**\n\t * Remove leading, trailing, and duplicated separators (`-` and `|`).\n\t *\n\t * @private\n\t * @param {Array.<String>} items\n\t */\n\t_cleanSeparators( items ) {\n\t\tconst nonSeparatorPredicate = item => ( item !== '-' && item !== '|' );\n\t\tconst count = items.length;\n\n\t\t// Find an index of the first item that is not a separator.\n\t\tconst firstCommandItem = items.findIndex( nonSeparatorPredicate );\n\n\t\t// Search from the end of the list, then convert found index back to the original direction.\n\t\tconst lastCommandItem = count - items\n\t\t\t.slice()\n\t\t\t.reverse()\n\t\t\t.findIndex( nonSeparatorPredicate );\n\n\t\treturn items\n\t\t\t// Return items without the leading and trailing separators.\n\t\t\t.slice( firstCommandItem, lastCommandItem )\n\t\t\t// Remove duplicated separators.\n\t\t\t.filter( ( name, idx, items ) => {\n\t\t\t\t// Filter only separators.\n\t\t\t\tif ( nonSeparatorPredicate( name ) ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t\tconst isDuplicated = idx > 0 && items[ idx - 1 ] === name;\n\n\t\t\t\treturn !isDuplicated;\n\t\t\t} );\n\t}\n\n\t/**\n\t * Fired when some toolbar {@link #items} were grouped or ungrouped as a result of some change\n\t * in the toolbar geometry.\n\t *\n\t * **Note**: This event is always fired **once** regardless of the number of items that were be\n\t * grouped or ungrouped at a time.\n\t *\n\t * **Note**: This event is fired only if the items grouping functionality was enabled in\n\t * the first place (see {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull}).\n\t *\n\t * @event groupedItemsUpdate\n\t */\n}\n\n/**\n * An inner block of the {@link module:ui/toolbar/toolbarview~ToolbarView} hosting its\n * {@link module:ui/toolbar/toolbarview~ToolbarView#items}.\n *\n * @private\n * @extends module:ui/view~View\n */\nclass ItemsView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * A collection of items (buttons, dropdowns, etc.).\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-toolbar__items'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n}\n\n/**\n * A toolbar behavior that makes it static and unresponsive to the changes of the environment.\n * At the same time, it also makes it possible to display a toolbar with a vertical layout\n * using the {@link module:ui/toolbar/toolbarview~ToolbarView#isVertical} property.\n *\n * @private\n * @implements module:ui/toolbar/toolbarview~ToolbarBehavior\n */\nclass StaticLayout {\n\t/**\n\t * Creates an instance of the {@link module:ui/toolbar/toolbarview~StaticLayout} toolbar\n\t * behavior.\n\t *\n\t * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar that this behavior\n\t * is added to.\n\t */\n\tconstructor( view ) {\n\t\tconst bind = view.bindTemplate;\n\n\t\t// Static toolbar can be vertical when needed.\n\t\tview.set( 'isVertical', false );\n\n\t\t// 1:1 pass–through binding, all ToolbarView#items are visible.\n\t\tview.itemsView.children.bindTo( view.items ).using( item => item );\n\n\t\t// 1:1 pass–through binding, all ToolbarView#items are focusable.\n\t\tview.focusables.bindTo( view.items ).using( item => item );\n\n\t\tview.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t// When vertical, the toolbar has an additional CSS class.\n\t\t\t\t\tbind.if( 'isVertical', 'ck-toolbar_vertical' )\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {}\n}\n\n/**\n * A toolbar behavior that makes the items respond to changes in the geometry.\n *\n * In a nutshell, it groups {@link module:ui/toolbar/toolbarview~ToolbarView#items}\n * that do not fit visually into a single row of the toolbar (due to limited space).\n * Items that do not fit are aggregated in a dropdown displayed at the end of the toolbar.\n *\n *\t┌──────────────────────────────────────── ToolbarView ──────────────────────────────────────────┐\n *\t| ┌─────────────────────────────────────── #children ─────────────────────────────────────────┐ |\n *\t| |   ┌─────── #itemsView ────────┐ ┌──────────────────────┐ ┌── #groupedItemsDropdown ───┐   | |\n *\t| |   |       #ungroupedItems     | | ToolbarSeparatorView | |        #groupedItems       |   | |\n *\t| |   └──────────────────────────-┘ └──────────────────────┘ └────────────────────────────┘   | |\n *\t| |                                  \\---------- only when toolbar items overflow --------/    | |\n *\t| └───────────────────────────────────────────────────────────────────────────────────────────┘ |\n *\t└───────────────────────────────────────────────────────────────────────────────────────────────┘\n *\n * @private\n * @implements module:ui/toolbar/toolbarview~ToolbarBehavior\n */\nclass DynamicGrouping {\n\t/**\n\t * Creates an instance of the {@link module:ui/toolbar/toolbarview~DynamicGrouping} toolbar\n\t * behavior.\n\t *\n\t * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar that this behavior\n\t * is added to.\n\t */\n\tconstructor( view ) {\n\t\t/**\n\t\t * A toolbar view this behavior belongs to.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar~ToolbarView}\n\t\t */\n\t\tthis.view = view;\n\n\t\t/**\n\t\t * A collection of toolbar children.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.viewChildren = view.children;\n\n\t\t/**\n\t\t * A collection of focusable toolbar elements.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.viewFocusables = view.focusables;\n\n\t\t/**\n\t\t * A view containing toolbar items.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ItemsView}\n\t\t */\n\t\tthis.viewItemsView = view.itemsView;\n\n\t\t/**\n\t\t * Toolbar focus tracker.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.viewFocusTracker = view.focusTracker;\n\n\t\t/**\n\t\t * Toolbar locale.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/locale~Locale}\n\t\t */\n\t\tthis.viewLocale = view.locale;\n\n\t\t/**\n\t\t * Toolbar element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {HTMLElement} #viewElement\n\t\t */\n\n\t\t/**\n\t\t * A subset of toolbar {@link module:ui/toolbar/toolbarview~ToolbarView#items}.\n\t\t * Aggregates items that fit into a single row of the toolbar and were not {@link #groupedItems grouped}\n\t\t * into a {@link #groupedItemsDropdown dropdown}. Items of this collection are displayed in the\n\t\t * {@link module:ui/toolbar/toolbarview~ToolbarView#itemsView}.\n\t\t *\n\t\t * When none of the {@link module:ui/toolbar/toolbarview~ToolbarView#items} were grouped, it\n\t\t * matches the {@link module:ui/toolbar/toolbarview~ToolbarView#items} collection in size and order.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.ungroupedItems = view.createCollection();\n\n\t\t/**\n\t\t * A subset of toolbar {@link module:ui/toolbar/toolbarview~ToolbarView#items}.\n\t\t * A collection of the toolbar items that do not fit into a single row of the toolbar.\n\t\t * Grouped items are displayed in a dedicated {@link #groupedItemsDropdown dropdown}.\n\t\t *\n\t\t * When none of the {@link module:ui/toolbar/toolbarview~ToolbarView#items} were grouped,\n\t\t * this collection is empty.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.groupedItems = view.createCollection();\n\n\t\t/**\n\t\t * The dropdown that aggregates {@link #groupedItems grouped items} that do not fit into a single\n\t\t * row of the toolbar. It is displayed on demand as the last of\n\t\t * {@link module:ui/toolbar/toolbarview~ToolbarView#children toolbar children} and offers another\n\t\t * (nested) toolbar which displays items that would normally overflow.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/dropdown/dropdownview~DropdownView}\n\t\t */\n\t\tthis.groupedItemsDropdown = this._createGroupedItemsDropdown();\n\n\t\t/**\n\t\t * An instance of the resize observer that helps dynamically determine the geometry of the toolbar\n\t\t * and manage items that do not fit into a single row.\n\t\t *\n\t\t * **Note:** Created in {@link #_enableGroupingOnResize}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/dom/resizeobserver~ResizeObserver}\n\t\t */\n\t\tthis.resizeObserver = null;\n\n\t\t/**\n\t\t * A cached value of the horizontal padding style used by {@link #_updateGrouping}\n\t\t * to manage the {@link module:ui/toolbar/toolbarview~ToolbarView#items} that do not fit into\n\t\t * a single toolbar line. This value can be reused between updates because it is unlikely that\n\t\t * the padding will change and re–using `Window.getComputedStyle()` is expensive.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.cachedPadding = null;\n\n\t\t/**\n\t\t * A flag indicating that an items grouping update has been queued (e.g. due to the toolbar being visible)\n\t\t * and should be executed immediately the next time the toolbar shows up.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.shouldUpdateGroupingOnNextResize = false;\n\n\t\t// Only those items that were not grouped are visible to the user.\n\t\tview.itemsView.children.bindTo( this.ungroupedItems ).using( item => item );\n\n\t\t// Make sure all #items visible in the main space of the toolbar are \"focuscycleable\".\n\t\tthis.ungroupedItems.on( 'add', this._updateFocusCycleableItems.bind( this ) );\n\t\tthis.ungroupedItems.on( 'remove', this._updateFocusCycleableItems.bind( this ) );\n\n\t\t// Make sure the #groupedItemsDropdown is also included in cycling when it appears.\n\t\tview.children.on( 'add', this._updateFocusCycleableItems.bind( this ) );\n\t\tview.children.on( 'remove', this._updateFocusCycleableItems.bind( this ) );\n\n\t\t// ToolbarView#items is dynamic. When an item is added or removed, it should be automatically\n\t\t// represented in either grouped or ungrouped items at the right index.\n\t\t// In other words #items == concat( #ungroupedItems, #groupedItems )\n\t\t// (in length and order).\n\t\tview.items.on( 'change', ( evt, changeData ) => {\n\t\t\tconst index = changeData.index;\n\n\t\t\t// Removing.\n\t\t\tfor ( const removedItem of changeData.removed ) {\n\t\t\t\tif ( index >= this.ungroupedItems.length ) {\n\t\t\t\t\tthis.groupedItems.remove( removedItem );\n\t\t\t\t} else {\n\t\t\t\t\tthis.ungroupedItems.remove( removedItem );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Adding.\n\t\t\tfor ( let currentIndex = index; currentIndex < index + changeData.added.length; currentIndex++ ) {\n\t\t\t\tconst addedItem = changeData.added[ currentIndex - index ];\n\n\t\t\t\tif ( currentIndex > this.ungroupedItems.length ) {\n\t\t\t\t\tthis.groupedItems.add( addedItem, currentIndex - this.ungroupedItems.length );\n\t\t\t\t} else {\n\t\t\t\t\tthis.ungroupedItems.add( addedItem, currentIndex );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// When new ungrouped items join in and land in #ungroupedItems, there's a chance it causes\n\t\t\t// the toolbar to overflow.\n\t\t\t// Consequently if removed from grouped or ungrouped items, there is a chance\n\t\t\t// some new space is available and we could do some ungrouping.\n\t\t\tthis._updateGrouping();\n\t\t} );\n\n\t\tview.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t// To group items dynamically, the toolbar needs a dedicated CSS class.\n\t\t\t\t\t'ck-toolbar_grouping'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Enables dynamic items grouping based on the dimensions of the toolbar.\n\t *\n\t * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar that this behavior\n\t * is added to.\n\t */\n\trender( view ) {\n\t\tthis.viewElement = view.element;\n\n\t\tthis._enableGroupingOnResize();\n\t\tthis._enableGroupingOnMaxWidthChange( view );\n\t}\n\n\t/**\n\t * Cleans up the internals used by this behavior.\n\t */\n\tdestroy() {\n\t\t// The dropdown may not be in ToolbarView#children at the moment of toolbar destruction\n\t\t// so let's make sure it's actually destroyed along with the toolbar.\n\t\tthis.groupedItemsDropdown.destroy();\n\n\t\tthis.resizeObserver.destroy();\n\t}\n\n\t/**\n\t * When called, it will check if any of the {@link #ungroupedItems} do not fit into a single row of the toolbar,\n\t * and it will move them to the {@link #groupedItems} when it happens.\n\t *\n\t * At the same time, it will also check if there is enough space in the toolbar for the first of the\n\t * {@link #groupedItems} to be returned back to {@link #ungroupedItems} and still fit into a single row\n\t * without the toolbar wrapping.\n\t *\n\t * @protected\n\t */\n\t_updateGrouping() {\n\t\t// Do no grouping–related geometry analysis when the toolbar is detached from visible DOM,\n\t\t// for instance before #render(), or after render but without a parent or a parent detached\n\t\t// from DOM. DOMRects won't work anyway and there will be tons of warning in the console and\n\t\t// nothing else. This happens, for instance, when the toolbar is detached from DOM and\n\t\t// some logic adds or removes its #items.\n\t\tif ( !this.viewElement.ownerDocument.body.contains( this.viewElement ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Do not update grouping when the element is invisible. Such toolbar has DOMRect filled with zeros\n\t\t// and that would cause all items to be grouped. Instead, queue the grouping so it runs next time\n\t\t// the toolbar is visible (the next ResizeObserver callback execution). This is handy because\n\t\t// the grouping could be caused by increasing the #maxWidth when the toolbar was invisible and the next\n\t\t// time it shows up, some items could actually be ungrouped (https://github.com/ckeditor/ckeditor5/issues/6575).\n\t\tif ( !this.viewElement.offsetParent ) {\n\t\t\tthis.shouldUpdateGroupingOnNextResize = true;\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Remember how many items were initially grouped so at the it is possible to figure out if the number\n\t\t// of grouped items has changed. If the number has changed, geometry of the toolbar has also changed.\n\t\tconst initialGroupedItemsCount = this.groupedItems.length;\n\t\tlet wereItemsGrouped;\n\n\t\t// Group #items as long as some wrap to the next row. This will happen, for instance,\n\t\t// when the toolbar is getting narrow and there is not enough space to display all items in\n\t\t// a single row.\n\t\twhile ( this._areItemsOverflowing ) {\n\t\t\tthis._groupLastItem();\n\n\t\t\twereItemsGrouped = true;\n\t\t}\n\n\t\t// If none were grouped now but there were some items already grouped before,\n\t\t// then, what the hell, maybe let's see if some of them can be ungrouped. This happens when,\n\t\t// for instance, the toolbar is stretching and there's more space in it than before.\n\t\tif ( !wereItemsGrouped && this.groupedItems.length ) {\n\t\t\t// Ungroup items as long as none are overflowing or there are none to ungroup left.\n\t\t\twhile ( this.groupedItems.length && !this._areItemsOverflowing ) {\n\t\t\t\tthis._ungroupFirstItem();\n\t\t\t}\n\n\t\t\t// If the ungrouping ended up with some item wrapping to the next row,\n\t\t\t// put it back to the group toolbar (\"undo the last ungroup\"). We don't know whether\n\t\t\t// an item will wrap or not until we ungroup it (that's a DOM/CSS thing) so this\n\t\t\t// clean–up is vital for the algorithm.\n\t\t\tif ( this._areItemsOverflowing ) {\n\t\t\t\tthis._groupLastItem();\n\t\t\t}\n\t\t}\n\n\t\tif ( this.groupedItems.length !== initialGroupedItemsCount ) {\n\t\t\tthis.view.fire( 'groupedItemsUpdate' );\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` when {@link module:ui/toolbar/toolbarview~ToolbarView#element} children visually overflow,\n\t * for instance if the toolbar is narrower than its members. Returns `false` otherwise.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _areItemsOverflowing() {\n\t\t// An empty toolbar cannot overflow.\n\t\tif ( !this.ungroupedItems.length ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst element = this.viewElement;\n\t\tconst uiLanguageDirection = this.viewLocale.uiLanguageDirection;\n\t\tconst lastChildRect = new Rect( element.lastChild );\n\t\tconst toolbarRect = new Rect( element );\n\n\t\tif ( !this.cachedPadding ) {\n\t\t\tconst computedStyle = global.window.getComputedStyle( element );\n\t\t\tconst paddingProperty = uiLanguageDirection === 'ltr' ? 'paddingRight' : 'paddingLeft';\n\n\t\t\t// parseInt() is essential because of quirky floating point numbers logic and DOM.\n\t\t\t// If the padding turned out too big because of that, the grouped items dropdown would\n\t\t\t// always look (from the Rect perspective) like it overflows (while it's not).\n\t\t\tthis.cachedPadding = Number.parseInt( computedStyle[ paddingProperty ] );\n\t\t}\n\n\t\tif ( uiLanguageDirection === 'ltr' ) {\n\t\t\treturn lastChildRect.right > toolbarRect.right - this.cachedPadding;\n\t\t} else {\n\t\t\treturn lastChildRect.left < toolbarRect.left + this.cachedPadding;\n\t\t}\n\t}\n\n\t/**\n\t * Enables the functionality that prevents {@link #ungroupedItems} from overflowing (wrapping to the next row)\n\t * upon resize when there is little space available. Instead, the toolbar items are moved to the\n\t * {@link #groupedItems} collection and displayed in a dropdown at the end of the row (which has its own nested toolbar).\n\t *\n\t * When called, the toolbar will automatically analyze the location of its {@link #ungroupedItems} and \"group\"\n\t * them in the dropdown if necessary. It will also observe the browser window for size changes in\n\t * the future and respond to them by grouping more items or reverting already grouped back, depending\n\t * on the visual space available.\n\t *\n\t * @private\n\t */\n\t_enableGroupingOnResize() {\n\t\tlet previousWidth;\n\n\t\t// TODO: Consider debounce.\n\t\tthis.resizeObserver = new ResizeObserver( this.viewElement, entry => {\n\t\t\tif ( !previousWidth || previousWidth !== entry.contentRect.width || this.shouldUpdateGroupingOnNextResize ) {\n\t\t\t\tthis.shouldUpdateGroupingOnNextResize = false;\n\n\t\t\t\tthis._updateGrouping();\n\n\t\t\t\tpreviousWidth = entry.contentRect.width;\n\t\t\t}\n\t\t} );\n\n\t\tthis._updateGrouping();\n\t}\n\n\t/**\n\t * Enables the grouping functionality, just like {@link #_enableGroupingOnResize} but the difference is that\n\t * it listens to the changes of {@link module:ui/toolbar/toolbarview~ToolbarView#maxWidth} instead.\n\t *\n\t * @private\n\t */\n\t_enableGroupingOnMaxWidthChange( view ) {\n\t\tview.on( 'change:maxWidth', () => {\n\t\t\tthis._updateGrouping();\n\t\t} );\n\t}\n\n\t/**\n\t * When called, it will remove the last item from {@link #ungroupedItems} and move it back\n\t * to the {@link #groupedItems} collection.\n\t *\n\t * The opposite of {@link #_ungroupFirstItem}.\n\t *\n\t * @private\n\t */\n\t_groupLastItem() {\n\t\tif ( !this.groupedItems.length ) {\n\t\t\tthis.viewChildren.add( new ToolbarSeparatorView() );\n\t\t\tthis.viewChildren.add( this.groupedItemsDropdown );\n\t\t\tthis.viewFocusTracker.add( this.groupedItemsDropdown.element );\n\t\t}\n\n\t\tthis.groupedItems.add( this.ungroupedItems.remove( this.ungroupedItems.last ), 0 );\n\t}\n\n\t/**\n\t * Moves the very first item belonging to {@link #groupedItems} back\n\t * to the {@link #ungroupedItems} collection.\n\t *\n\t * The opposite of {@link #_groupLastItem}.\n\t *\n\t * @private\n\t */\n\t_ungroupFirstItem() {\n\t\tthis.ungroupedItems.add( this.groupedItems.remove( this.groupedItems.first ) );\n\n\t\tif ( !this.groupedItems.length ) {\n\t\t\tthis.viewChildren.remove( this.groupedItemsDropdown );\n\t\t\tthis.viewChildren.remove( this.viewChildren.last );\n\t\t\tthis.viewFocusTracker.remove( this.groupedItemsDropdown.element );\n\t\t}\n\t}\n\n\t/**\n\t * Creates the {@link #groupedItemsDropdown} that hosts the members of the {@link #groupedItems}\n\t * collection when there is not enough space in the toolbar to display all items in a single row.\n\t *\n\t * @private\n\t * @returns {module:ui/dropdown/dropdownview~DropdownView}\n\t */\n\t_createGroupedItemsDropdown() {\n\t\tconst locale = this.viewLocale;\n\t\tconst t = locale.t;\n\t\tconst dropdown = createDropdown( locale );\n\n\t\tdropdown.class = 'ck-toolbar__grouped-dropdown';\n\n\t\t// Make sure the dropdown never sticks out to the left/right. It should be under the main toolbar.\n\t\t// (https://github.com/ckeditor/ckeditor5/issues/5608)\n\t\tdropdown.panelPosition = locale.uiLanguageDirection === 'ltr' ? 'sw' : 'se';\n\n\t\taddToolbarToDropdown( dropdown, [] );\n\n\t\tdropdown.buttonView.set( {\n\t\t\tlabel: t( 'Show more items' ),\n\t\t\ttooltip: true,\n\t\t\ttooltipPosition: locale.uiLanguageDirection === 'rtl' ? 'se' : 'sw',\n\t\t\ticon: verticalDotsIcon\n\t\t} );\n\n\t\t// 1:1 pass–through binding.\n\t\tdropdown.toolbarView.items.bindTo( this.groupedItems ).using( item => item );\n\n\t\treturn dropdown;\n\t}\n\n\t/**\n\t * Updates the {@link module:ui/toolbar/toolbarview~ToolbarView#focusables focus–cycleable items}\n\t * collection so it represents the up–to–date state of the UI from the perspective of the user.\n\t *\n\t * For instance, the {@link #groupedItemsDropdown} can show up and hide but when it is visible,\n\t * it must be subject to focus cycling in the toolbar.\n\t *\n\t * See the {@link module:ui/toolbar/toolbarview~ToolbarView#focusables collection} documentation\n\t * to learn more about the purpose of this method.\n\t *\n\t * @private\n\t */\n\t_updateFocusCycleableItems() {\n\t\tthis.viewFocusables.clear();\n\n\t\tthis.ungroupedItems.map( item => {\n\t\t\tthis.viewFocusables.add( item );\n\t\t} );\n\n\t\tif ( this.groupedItems.length ) {\n\t\t\tthis.viewFocusables.add( this.groupedItemsDropdown );\n\t\t}\n\t}\n}\n\n/**\n * Options passed to the {@link module:ui/toolbar/toolbarview~ToolbarView#constructor} of the toolbar.\n *\n * @interface module:ui/toolbar/toolbarview~ToolbarOptions\n */\n\n/**\n * When set to `true`, the toolbar will automatically group {@link module:ui/toolbar/toolbarview~ToolbarView#items} that\n * would normally wrap to the next line when there is not enough space to display them in a single row, for\n * instance, if the parent container of the toolbar is narrow. For toolbars in absolutely positioned containers\n * without width restrictions also the {@link module:ui/toolbar/toolbarview~ToolbarOptions#isFloating} option is required to be `true`.\n *\n * See also: {@link module:ui/toolbar/toolbarview~ToolbarView#maxWidth}.\n *\n * @member {Boolean} module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull\n */\n\n/**\n * This option should be enabled for toolbars in absolutely positioned containers without width restrictions\n * to enable automatic {@link module:ui/toolbar/toolbarview~ToolbarView#items} grouping.\n * When this option is set to `true`, the items will stop wrapping to the next line\n * and together with {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull},\n * this will allow grouping them when there is not enough space in a single row.\n *\n * @member {Boolean} module:ui/toolbar/toolbarview~ToolbarOptions#isFloating\n */\n\n/**\n * A class interface defining the behavior of the {@link module:ui/toolbar/toolbarview~ToolbarView}.\n *\n * Toolbar behaviors extend its look and functionality and have an impact on the\n * {@link module:ui/toolbar/toolbarview~ToolbarView#element} template or\n * {@link module:ui/toolbar/toolbarview~ToolbarView#render rendering}. They can be enabled\n * conditionally, e.g. depending on the configuration of the toolbar.\n *\n * @private\n * @interface module:ui/toolbar/toolbarview~ToolbarBehavior\n */\n\n/**\n * Creates a new toolbar behavior instance.\n *\n * The instance is created in the {@link module:ui/toolbar/toolbarview~ToolbarView#constructor} of the toolbar.\n * This is the right place to extend the {@link module:ui/toolbar/toolbarview~ToolbarView#template} of\n * the toolbar, define extra toolbar properties, etc.\n *\n * @method #constructor\n * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar that this behavior is added to.\n */\n\n/**\n * A method called after the toolbar has been {@link module:ui/toolbar/toolbarview~ToolbarView#render rendered}.\n * It can be used to, for example, customize the behavior of the toolbar when its {@link module:ui/toolbar/toolbarview~ToolbarView#element}\n * is available.\n *\n * @readonly\n * @member {Function} #render\n * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar being rendered.\n */\n\n/**\n * A method called after the toolbar has been {@link module:ui/toolbar/toolbarview~ToolbarView#destroy destroyed}.\n * It allows cleaning up after the toolbar behavior, for instance, this is the right place to detach\n * event listeners, free up references, etc.\n *\n * @readonly\n * @member {Function} #destroy\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/bindings/preventdefault\n */\n\n/**\n * A helper which executes a native `Event.preventDefault()` if the target of an event equals the\n * {@link module:ui/view~View#element element of the view}. It shortens the definition of a\n * {@link module:ui/view~View#template template}.\n *\n *\t\t// In a class extending View.\n *\t\timport preventDefault from '@ckeditor/ckeditor5-ui/src/bindings/preventdefault';\n *\n *\t\t// ...\n *\n *\t\tthis.setTemplate( {\n *\t\t\ttag: 'div',\n *\n *\t\t\ton: {\n *\t\t\t\t// Prevent the default mousedown action on this view.\n *\t\t\t\tmousedown: preventDefault( this )\n *\t\t\t}\n *\t\t} );\n *\n * @param {module:ui/view~View} view View instance that defines the template.\n * @returns {module:ui/template~TemplateToBinding}\n */\nexport default function preventDefault( view ) {\n\treturn view.bindTemplate.to( evt => {\n\t\tif ( evt.target === view.element ) {\n\t\t\tevt.preventDefault();\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/normalizetoolbarconfig\n */\n\n/**\n * Normalizes the toolbar configuration (`config.toolbar`), which:\n *\n * * may be defined as an `Array`:\n *\n * \t\ttoolbar: [ 'heading', 'bold', 'italic', 'link', ... ]\n *\n * * or an `Object`:\n *\n *\t\ttoolbar: {\n *\t\t\titems: [ 'heading', 'bold', 'italic', 'link', ... ],\n *\t\t\tremoveItems: [ 'bold' ],\n *\t\t\t...\n *\t\t}\n *\n * * or may not be defined at all (`undefined`)\n *\n * and returns it in the object form.\n *\n * @param {Array|Object|undefined} config The value of `config.toolbar`.\n * @returns {Object} A normalized toolbar config object.\n */\nexport default function normalizeToolbarConfig( config ) {\n\tif ( Array.isArray( config ) ) {\n\t\treturn {\n\t\t\titems: config,\n\t\t\tremoveItems: []\n\t\t};\n\t}\n\n\tif ( !config ) {\n\t\treturn {\n\t\t\titems: [],\n\t\t\tremoveItems: []\n\t\t};\n\t}\n\n\treturn Object.assign( {\n\t\titems: [],\n\t\tremoveItems: []\n\t}, config );\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><circle cx=\\\"9.5\\\" cy=\\\"4.5\\\" r=\\\"1.5\\\"/><circle cx=\\\"9.5\\\" cy=\\\"10.5\\\" r=\\\"1.5\\\"/><circle cx=\\\"9.5\\\" cy=\\\"16.5\\\" r=\\\"1.5\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module editor-decoupled/decouplededitoruiview\n */\n\nimport EditorUIView from '@ckeditor/ckeditor5-ui/src/editorui/editoruiview';\nimport InlineEditableUIView from '@ckeditor/ckeditor5-ui/src/editableui/inline/inlineeditableuiview';\nimport ToolbarView from '@ckeditor/ckeditor5-ui/src/toolbar/toolbarview';\n\n/**\n * The decoupled editor UI view. It is a virtual view providing an inline\n * {@link module:editor-decoupled/decouplededitoruiview~DecoupledEditorUIView#editable} and a\n * {@link module:editor-decoupled/decouplededitoruiview~DecoupledEditorUIView#toolbar}, but without any\n * specific arrangement of the components in the DOM.\n *\n * See {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`}\n * to learn more about this view.\n *\n * @extends module:ui/editorui/editoruiview~EditorUIView\n */\nexport default class DecoupledEditorUIView extends EditorUIView {\n\t/**\n\t * Creates an instance of the decoupled editor UI view.\n\t *\n\t * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n\t * @param {module:engine/view/view~View} editingView The editing view instance this view is related to.\n\t * @param {Object} [options={}] Configuration options fo the view instance.\n\t * @param {HTMLElement} [options.editableElement] The editable element. If not specified, it will be automatically created by\n\t * {@link module:ui/editableui/editableuiview~EditableUIView}. Otherwise, the given element will be used.\n\t * @param {Boolean} [options.shouldToolbarGroupWhenFull] When set `true` enables automatic items grouping\n\t * in the main {@link module:editor-decoupled/decouplededitoruiview~DecoupledEditorUIView#toolbar toolbar}.\n\t * See {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull} to learn more.\n\t */\n\tconstructor( locale, editingView, options = {} ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The main toolbar of the decoupled editor UI.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ToolbarView}\n\t\t */\n\t\tthis.toolbar = new ToolbarView( locale, {\n\t\t\tshouldGroupWhenFull: options.shouldToolbarGroupWhenFull\n\t\t} );\n\n\t\t/**\n\t\t * The editable of the decoupled editor UI.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/editableui/inline/inlineeditableuiview~InlineEditableUIView}\n\t\t */\n\t\tthis.editable = new InlineEditableUIView( locale, editingView, options.editableElement );\n\n\t\t// This toolbar may be placed anywhere in the page so things like font size need to be reset in it.\n\t\t// Because of the above, make sure the toolbar supports rounded corners.\n\t\t// Also, make sure the toolbar has the proper dir attribute because its ancestor may not have one\n\t\t// and some toolbar item styles depend on this attribute.\n\t\tthis.toolbar.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-reset_all',\n\t\t\t\t\t'ck-rounded-corners'\n\t\t\t\t],\n\t\t\t\tdir: locale.uiLanguageDirection\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.registerChild( [ this.toolbar, this.editable ] );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module editor-decoupled/decouplededitor\n */\n\nimport Editor from '@ckeditor/ckeditor5-core/src/editor/editor';\nimport DataApiMixin from '@ckeditor/ckeditor5-core/src/editor/utils/dataapimixin';\nimport DecoupledEditorUI from './decouplededitorui';\nimport DecoupledEditorUIView from './decouplededitoruiview';\nimport getDataFromElement from '@ckeditor/ckeditor5-utils/src/dom/getdatafromelement';\nimport setDataInElement from '@ckeditor/ckeditor5-utils/src/dom/setdatainelement';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { isElement } from 'lodash-es';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport secureSourceElement from '@ckeditor/ckeditor5-core/src/editor/utils/securesourceelement';\n\n/**\n * The {@glink builds/guides/overview#document-editor decoupled editor} implementation.\n * It provides an inline editable and a toolbar. However, unlike other editors,\n * it does not render these components anywhere in the DOM unless configured.\n *\n * This type of an editor is dedicated to integrations which require a customized UI with an open\n * structure, allowing developers to specify the exact location of the interface.\n *\n * See the document editor {@glink examples/builds/document-editor demo} to learn about possible use cases\n * for the decoupled editor.\n *\n * In order to create a decoupled editor instance, use the static\n * {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`} method.\n *\n * # Decoupled editor and document editor build\n *\n * The decoupled editor can be used directly from source (if you installed the\n * [`@ckeditor/ckeditor5-editor-decoupled`](https://www.npmjs.com/package/@ckeditor/ckeditor5-editor-decoupled) package)\n * but it is also available in the {@glink builds/guides/overview#document-editor document editor build}.\n *\n * {@glink builds/guides/overview Builds} are ready-to-use editors with plugins bundled in. When using the editor from\n * source you need to take care of loading all plugins by yourself\n * (through the {@link module:core/editor/editorconfig~EditorConfig#plugins `config.plugins`} option).\n * Using the editor from source gives much better flexibility and allows for easier customization.\n *\n * Read more about initializing the editor from source or as a build in\n * {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`}.\n *\n * @mixes module:core/editor/utils/dataapimixin~DataApiMixin\n * @implements module:core/editor/editorwithui~EditorWithUI\n * @extends module:core/editor/editor~Editor\n */\nexport default class DecoupledEditor extends Editor {\n\t/**\n\t * Creates an instance of the decoupled editor.\n\t *\n\t * **Note:** Do not use the constructor to create editor instances. Use the static\n\t * {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`} method instead.\n\t *\n\t * @protected\n\t * @param {HTMLElement|String} sourceElementOrData The DOM element that will be the source for the created editor\n\t * (on which the editor will be initialized) or initial data for the editor. For more information see\n\t * {@link module:editor-balloon/ballooneditor~BalloonEditor.create `BalloonEditor.create()`}.\n\t * @param {module:core/editor/editorconfig~EditorConfig} config The editor configuration.\n\t */\n\tconstructor( sourceElementOrData, config ) {\n\t\tsuper( config );\n\n\t\tif ( isElement( sourceElementOrData ) ) {\n\t\t\tthis.sourceElement = sourceElementOrData;\n\t\t\tsecureSourceElement( this );\n\t\t}\n\n\t\tthis.model.document.createRoot();\n\n\t\tconst shouldToolbarGroupWhenFull = !this.config.get( 'toolbar.shouldNotGroupWhenFull' );\n\t\tconst view = new DecoupledEditorUIView( this.locale, this.editing.view, {\n\t\t\teditableElement: this.sourceElement,\n\t\t\tshouldToolbarGroupWhenFull\n\t\t} );\n\n\t\tthis.ui = new DecoupledEditorUI( this, view );\n\t}\n\n\t/**\n\t * Destroys the editor instance, releasing all resources used by it.\n\t *\n\t * **Note**: The decoupled editor does not remove the toolbar and editable when destroyed. You can\n\t * do that yourself in the destruction chain:\n\t *\n\t *\t\teditor.destroy()\n\t *\t\t\t.then( () => {\n\t *\t\t\t\t// Remove the toolbar from DOM.\n\t *\t\t\t\teditor.ui.view.toolbar.element.remove();\n\t *\n\t *\t\t\t\t// Remove the editable from DOM.\n\t *\t\t\t\teditor.ui.view.editable.element.remove();\n\t *\n\t *\t\t\t\tconsole.log( 'Editor was destroyed' );\n\t *\t\t\t} );\n\t *\n\t * @returns {Promise}\n\t */\n\tdestroy() {\n\t\t// Cache the data, then destroy.\n\t\t// It's safe to assume that the model->view conversion will not work after super.destroy().\n\t\tconst data = this.getData();\n\n\t\tthis.ui.destroy();\n\n\t\treturn super.destroy()\n\t\t\t.then( () => {\n\t\t\t\tif ( this.sourceElement ) {\n\t\t\t\t\tsetDataInElement( this.sourceElement, data );\n\t\t\t\t}\n\t\t\t} );\n\t}\n\n\t/**\n\t * Creates a new decoupled editor instance.\n\t *\n\t * Remember that `DecoupledEditor` does not append the toolbar element to your web page so you have to do it manually after the editor\n\t * has been initialized.\n\t *\n\t * There are two ways how the editor can be initialized.\n\t *\n\t * # Using an existing DOM element (and loading data from it)\n\t *\n\t * You can initialize the editor using an existing DOM element:\n\t *\n\t *\t\tDecoupledEditor\n\t *\t\t\t.create( document.querySelector( '#editor' ) )\n\t *\t\t\t.then( editor => {\n\t *\t\t\t\tconsole.log( 'Editor was initialized', editor );\n\t *\n\t *\t\t\t\t// Append the toolbar to the <body> element.\n\t *\t\t\t\tdocument.body.appendChild( editor.ui.view.toolbar.element );\n\t *\t\t\t} )\n\t *\t\t\t.catch( err => {\n\t *\t\t\t\tconsole.error( err.stack );\n\t *\t\t\t} );\n\t *\n\t * The element's content will be used as the editor data and the element will become the editable element.\n\t *\n\t * # Creating a detached editor\n\t *\n\t * Alternatively, you can initialize the editor by passing the initial data directly as a string.\n\t * In this case, you will have to manually append both the toolbar element and the editable element to your web page.\n\t *\n\t *\t\tDecoupledEditor\n\t *\t\t\t.create( '<p>Hello world!</p>' )\n\t *\t\t\t.then( editor => {\n\t *\t\t\t\tconsole.log( 'Editor was initialized', editor );\n\t *\n\t *\t\t\t\t// Append the toolbar to the <body> element.\n\t *\t\t\t\tdocument.body.appendChild( editor.ui.view.toolbar.element );\n\t *\n\t *\t\t\t\t// Initial data was provided so the editor UI element needs to be added manually to the DOM.\n\t *\t\t\t\tdocument.body.appendChild( editor.ui.getEditableElement() );\n\t *\t\t\t} )\n\t *\t\t\t.catch( err => {\n\t *\t\t\t\tconsole.error( err.stack );\n\t *\t\t\t} );\n\t *\n\t * This lets you dynamically append the editor to your web page whenever it is convenient for you. You may use this method if your\n\t * web page content is generated on the client side and the DOM structure is not ready at the moment when you initialize the editor.\n\t *\n\t * # Using an existing DOM element (and data provided in `config.initialData`)\n\t *\n\t * You can also mix these two ways by providing a DOM element to be used and passing the initial data through the configuration:\n\t *\n\t *\t\tDecoupledEditor\n\t *\t\t\t.create( document.querySelector( '#editor' ), {\n\t *\t\t\t\tinitialData: '<h2>Initial data</h2><p>Foo bar.</p>'\n\t *\t\t\t} )\n\t *\t\t\t.then( editor => {\n\t *\t\t\t\tconsole.log( 'Editor was initialized', editor );\n\t *\n\t *\t\t\t\t// Append the toolbar to the <body> element.\n\t *\t\t\t\tdocument.body.appendChild( editor.ui.view.toolbar.element );\n\t *\t\t\t} )\n\t *\t\t\t.catch( err => {\n\t *\t\t\t\tconsole.error( err.stack );\n\t *\t\t\t} );\n\t *\n\t * This method can be used to initialize the editor on an existing element with the specified content in case if your integration\n\t * makes it difficult to set the content of the source element.\n\t *\n\t * Note that an error will be thrown if you pass the initial data both as the first parameter and also in the configuration.\n\t *\n\t * # Configuring the editor\n\t *\n\t * See the {@link module:core/editor/editorconfig~EditorConfig editor configuration documentation} to learn more about\n\t * customizing plugins, toolbar and more.\n\t *\n\t * # Using the editor from source\n\t *\n\t * The code samples listed in the previous sections of this documentation assume that you are using an\n\t * {@glink builds/guides/overview editor build} (for example – `@ckeditor/ckeditor5-build-decoupled`).\n\t *\n\t * If you want to use the decoupled editor from source (`@ckeditor/ckeditor5-editor-decoupled/src/decouplededitor`),\n\t * you need to define the list of\n\t * {@link module:core/editor/editorconfig~EditorConfig#plugins plugins to be initialized} and\n\t * {@link module:core/editor/editorconfig~EditorConfig#toolbar toolbar items}. Read more about using the editor from\n\t * source in the {@glink builds/guides/integration/advanced-setup \"Advanced setup\" guide}.\n\t *\n\t * @param {HTMLElement|String} sourceElementOrData The DOM element that will be the source for the created editor\n\t * or the editor's initial data.\n\t *\n\t * If a DOM element is passed, its content will be automatically loaded to the editor upon initialization.\n\t * Moreover, the editor data will be set back to the original element once the editor is destroyed.\n\t *\n\t * If the initial data is passed, a detached editor will be created. In this case you need to insert it into the DOM manually.\n\t * It is available via\n\t * {@link module:editor-decoupled/decouplededitorui~DecoupledEditorUI#getEditableElement `editor.ui.getEditableElement()`}.\n\t *\n\t * @param {module:core/editor/editorconfig~EditorConfig} [config] The editor configuration.\n\t * @returns {Promise} A promise resolved once the editor is ready. The promise resolves with the created editor instance.\n\t */\n\tstatic create( sourceElementOrData, config = {} ) {\n\t\treturn new Promise( resolve => {\n\t\t\tconst isHTMLElement = isElement( sourceElementOrData );\n\n\t\t\tif ( isHTMLElement && sourceElementOrData.tagName === 'TEXTAREA' ) {\n\t\t\t\t// Documented in core/editor/editor.js\n\t\t\t\t// eslint-disable-next-line ckeditor5-rules/ckeditor-error-message\n\t\t\t\tthrow new CKEditorError( 'editor-wrong-element', null );\n\t\t\t}\n\n\t\t\tconst editor = new this( sourceElementOrData, config );\n\n\t\t\tresolve(\n\t\t\t\teditor.initPlugins()\n\t\t\t\t\t.then( () => {\n\t\t\t\t\t\teditor.ui.init();\n\t\t\t\t\t} )\n\t\t\t\t\t.then( () => {\n\t\t\t\t\t\tif ( !isHTMLElement && config.initialData ) {\n\t\t\t\t\t\t\t// Documented in core/editor/editorconfig.jdoc.\n\t\t\t\t\t\t\t// eslint-disable-next-line ckeditor5-rules/ckeditor-error-message\n\t\t\t\t\t\t\tthrow new CKEditorError( 'editor-create-initial-data', null );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst initialData = config.initialData || getInitialData( sourceElementOrData );\n\n\t\t\t\t\t\treturn editor.data.init( initialData );\n\t\t\t\t\t} )\n\t\t\t\t\t.then( () => editor.fire( 'ready' ) )\n\t\t\t\t\t.then( () => editor )\n\t\t\t);\n\t\t} );\n\t}\n}\n\nmix( DecoupledEditor, DataApiMixin );\n\nfunction getInitialData( sourceElementOrData ) {\n\treturn isElement( sourceElementOrData ) ? getDataFromElement( sourceElementOrData ) : sourceElementOrData;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * @module core/editor/utils/securesourceelement\n */\n\n/**\n * Marks the source element on which the editor was initialized. This prevents other editor instances from using this element.\n *\n * Running multiple editor instances on the same source element causes various issues and it is\n * crucial this helper is called as soon as the source element is known to prevent collisions.\n *\n * @param {module:core/editor/editor~Editor} editor Editor instance.\n */\nexport default function secureSourceElement( editor ) {\n\tconst sourceElement = editor.sourceElement;\n\n\t// If the editor was initialized without specifying an element, we don't need to secure anything.\n\tif ( !sourceElement ) {\n\t\treturn;\n\t}\n\n\tif ( sourceElement.ckeditorInstance ) {\n\t\t/**\n\t\t * A DOM element used to create the editor (e.g.\n\t\t * {@link module:editor-inline/inlineeditor~InlineEditor.create `InlineEditor.create()`})\n\t\t * has already been used to create another editor instance. Make sure each editor is\n\t\t * created with an unique DOM element.\n\t\t *\n\t\t * @error editor-source-element-already-used\n\t\t * @param {HTMLElement} element DOM element that caused the collision.\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'editor-source-element-already-used',\n\t\t\teditor\n\t\t);\n\t}\n\n\tsourceElement.ckeditorInstance = editor;\n\n\teditor.once( 'destroy', () => {\n\t\tdelete sourceElement.ckeditorInstance;\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/setdatainelement\n */\n\n/* globals HTMLTextAreaElement */\n\n/**\n * Sets data in a given element.\n *\n * @param {HTMLElement} el The element in which the data will be set.\n * @param {String} data The data string.\n */\nexport default function setDataInElement( el, data ) {\n\tif ( el instanceof HTMLTextAreaElement ) {\n\t\tel.value = data;\n\t}\n\n\tel.innerHTML = data;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals HTMLTextAreaElement */\n\n/**\n * @module utils/dom/getdatafromelement\n */\n\n/**\n * Gets data from a given source element.\n *\n * @param {HTMLElement} el The element from which the data will be retrieved.\n * @returns {String} The data string.\n */\nexport default function getDataFromElement( el ) {\n\tif ( el instanceof HTMLTextAreaElement ) {\n\t\treturn el.value;\n\t}\n\n\treturn el.innerHTML;\n}\n","import debounce from './debounce.js';\nimport isObject from './isObject.js';\n\n/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n *  Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n *  Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\nfunction throttle(func, wait, options) {\n  var leading = true,\n      trailing = true;\n\n  if (typeof func != 'function') {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  if (isObject(options)) {\n    leading = 'leading' in options ? !!options.leading : leading;\n    trailing = 'trailing' in options ? !!options.trailing : trailing;\n  }\n  return debounce(func, wait, {\n    'leading': leading,\n    'maxWait': wait,\n    'trailing': trailing\n  });\n}\n\nexport default throttle;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module watchdog/utils/getsubnodes\n */\n\n/* globals EventTarget, Event */\n\nexport default function getSubNodes( head, excludedProperties = new Set() ) {\n\tconst nodes = [ head ];\n\n\t// @if CK_DEBUG_WATCHDOG // const prevNodeMap = new Map();\n\n\t// Nodes are stored to prevent infinite looping.\n\tconst subNodes = new Set();\n\n\twhile ( nodes.length > 0 ) {\n\t\tconst node = nodes.shift();\n\n\t\tif ( subNodes.has( node ) || shouldNodeBeSkipped( node ) || excludedProperties.has( node ) ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tsubNodes.add( node );\n\n\t\t// Handle arrays, maps, sets, custom collections that implements `[ Symbol.iterator ]()`, etc.\n\t\tif ( node[ Symbol.iterator ] ) {\n\t\t\t// The custom editor iterators might cause some problems if the editor is crashed.\n\t\t\ttry {\n\t\t\t\tfor ( const n of node ) {\n\t\t\t\t\tnodes.push( n );\n\n\t\t\t\t\t// @if CK_DEBUG_WATCHDOG // if ( !prevNodeMap.has( n ) ) {\n\t\t\t\t\t// @if CK_DEBUG_WATCHDOG // \tprevNodeMap.set( n, node );\n\t\t\t\t\t// @if CK_DEBUG_WATCHDOG // }\n\t\t\t\t}\n\t\t\t} catch ( err ) {\n\t\t\t\t// Do not log errors for broken structures\n\t\t\t\t// since we are in the error handling process already.\n\t\t\t\t// eslint-disable-line no-empty\n\t\t\t}\n\t\t} else {\n\t\t\tfor ( const key in node ) {\n\t\t\t\t// We share a reference via the protobuf library within the editors,\n\t\t\t\t// hence the shared value should be skipped. Although, it's not a perfect\n\t\t\t\t// solution since new places like that might occur in the future.\n\t\t\t\tif ( key === 'defaultValue' ) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tnodes.push( node[ key ] );\n\n\t\t\t\t// @if CK_DEBUG_WATCHDOG // if ( !prevNodeMap.has( node[ key ] ) ) {\n\t\t\t\t// @if CK_DEBUG_WATCHDOG // \tprevNodeMap.set( node[ key ], node );\n\t\t\t\t// @if CK_DEBUG_WATCHDOG // }\n\t\t\t}\n\t\t}\n\t}\n\n\t// @if CK_DEBUG_WATCHDOG // return { subNodes, prevNodeMap };\n\n\treturn subNodes;\n}\n\nfunction shouldNodeBeSkipped( node ) {\n\tconst type = Object.prototype.toString.call( node );\n\tconst typeOfNode = typeof node;\n\n\treturn (\n\t\ttypeOfNode === 'number' ||\n\t\ttypeOfNode === 'boolean' ||\n\t\ttypeOfNode === 'string' ||\n\t\ttypeOfNode === 'symbol' ||\n\t\ttypeOfNode === 'function' ||\n\t\ttype === '[object Date]' ||\n\t\ttype === '[object RegExp]' ||\n\t\ttype === '[object Module]' ||\n\n\t\tnode === undefined ||\n\t\tnode === null ||\n\n\t\t// Skip native DOM objects, e.g. Window, nodes, events, etc.\n\t\tnode instanceof EventTarget ||\n\t\tnode instanceof Event\n\t);\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/plugin\n */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The base class for CKEditor plugin classes.\n *\n * @implements module:core/plugin~PluginInterface\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * The editor instance.\n\t\t *\n\t\t * Note that most editors implement the {@link module:core/editor/editorwithui~EditorWithUI} interface in addition\n\t\t * to the base {@link module:core/editor/editor~Editor} interface. However, editors with an external UI\n\t\t * (i.e. Bootstrap-based) or a headless editor may not implement the {@link module:core/editor/editorwithui~EditorWithUI}\n\t\t * interface.\n\t\t *\n\t\t * Because of above, to make plugins more universal, it is recommended to split features into:\n\t\t *  - The \"editing\" part that only uses the {@link module:core/editor/editor~Editor} interface.\n\t\t *  - The \"UI\" part that uses both the {@link module:core/editor/editor~Editor} interface and\n\t\t *  the {@link module:core/editor/editorwithui~EditorWithUI} interface.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor} #editor\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * Flag indicating whether a plugin is enabled or disabled.\n\t\t * A disabled plugin will not transform text.\n\t\t *\n\t\t * Plugin can be simply disabled like that:\n\t\t *\n\t\t *\t\t// Disable the plugin so that no toolbars are visible.\n\t\t *\t\teditor.plugins.get( 'TextTransformation' ).isEnabled = false;\n\t\t *\n\t\t * You can also use {@link #forceDisabled} method.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\t/**\n\t\t * Holds identifiers for {@link #forceDisabled} mechanism.\n\t\t *\n\t\t * @type {Set.<String>}\n\t\t * @private\n\t\t */\n\t\tthis._disableStack = new Set();\n\t}\n\n\t/**\n\t * Disables the plugin.\n\t *\n\t * Plugin may be disabled by multiple features or algorithms (at once). When disabling a plugin, unique id should be passed\n\t * (e.g. feature name). The same identifier should be used when {@link #clearForceDisabled enabling back} the plugin.\n\t * The plugin becomes enabled only after all features {@link #clearForceDisabled enabled it back}.\n\t *\n\t * Disabling and enabling a plugin:\n\t *\n\t *\t\tplugin.isEnabled; // -> true\n\t *\t\tplugin.forceDisabled( 'MyFeature' );\n\t *\t\tplugin.isEnabled; // -> false\n\t *\t\tplugin.clearForceDisabled( 'MyFeature' );\n\t *\t\tplugin.isEnabled; // -> true\n\t *\n\t * Plugin disabled by multiple features:\n\t *\n\t *\t\tplugin.forceDisabled( 'MyFeature' );\n\t *\t\tplugin.forceDisabled( 'OtherFeature' );\n\t *\t\tplugin.clearForceDisabled( 'MyFeature' );\n\t *\t\tplugin.isEnabled; // -> false\n\t *\t\tplugin.clearForceDisabled( 'OtherFeature' );\n\t *\t\tplugin.isEnabled; // -> true\n\t *\n\t * Multiple disabling with the same identifier is redundant:\n\t *\n\t *\t\tplugin.forceDisabled( 'MyFeature' );\n\t *\t\tplugin.forceDisabled( 'MyFeature' );\n\t *\t\tplugin.clearForceDisabled( 'MyFeature' );\n\t *\t\tplugin.isEnabled; // -> true\n\t *\n\t * **Note:** some plugins or algorithms may have more complex logic when it comes to enabling or disabling certain plugins,\n\t * so the plugin might be still disabled after {@link #clearForceDisabled} was used.\n\t *\n\t * @param {String} id Unique identifier for disabling. Use the same id when {@link #clearForceDisabled enabling back} the plugin.\n\t */\n\tforceDisabled( id ) {\n\t\tthis._disableStack.add( id );\n\n\t\tif ( this._disableStack.size == 1 ) {\n\t\t\tthis.on( 'set:isEnabled', forceDisable, { priority: 'highest' } );\n\t\t\tthis.isEnabled = false;\n\t\t}\n\t}\n\n\t/**\n\t * Clears forced disable previously set through {@link #forceDisabled}. See {@link #forceDisabled}.\n\t *\n\t * @param {String} id Unique identifier, equal to the one passed in {@link #forceDisabled} call.\n\t */\n\tclearForceDisabled( id ) {\n\t\tthis._disableStack.delete( id );\n\n\t\tif ( this._disableStack.size == 0 ) {\n\t\t\tthis.off( 'set:isEnabled', forceDisable );\n\t\t\tthis.isEnabled = true;\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get isContextPlugin() {\n\t\treturn false;\n\t}\n}\n\nmix( Plugin, ObservableMixin );\n\n/**\n * The base interface for CKEditor plugins.\n *\n * In its minimal form a plugin can be a simple function that accepts {@link module:core/editor/editor~Editor the editor}\n * as a parameter:\n *\n *\t\t// A simple plugin that enables a data processor.\n *\t\tfunction MyPlugin( editor ) {\n *\t\t\teditor.data.processor = new MyDataProcessor();\n *\t\t}\n *\n * In most cases however, you will want to inherit from the {@link module:core/plugin~Plugin} class which implements the\n * {@link module:utils/observablemixin~ObservableMixin} and is, therefore, more convenient:\n *\n *\t\tclass MyPlugin extends Plugin {\n *\t\t\tinit() {\n *\t\t\t\t// `listenTo()` and `editor` are available thanks to `Plugin`.\n *\t\t\t\t// By using `listenTo()` you will ensure that the listener is removed when\n *\t\t\t\t// the plugin is destroyed.\n *\t\t\t\tthis.listenTo( this.editor.data, 'ready', () => {\n *\t\t\t\t\t// Do something when the data is ready.\n *\t\t\t\t} );\n *\t\t\t}\n *\t\t}\n *\n * The plugin can also implement methods (e.g. {@link module:core/plugin~PluginInterface#init `init()`} or\n * {@link module:core/plugin~PluginInterface#destroy `destroy()`}) which, when present, will be used to properly\n * initialize and destroy the plugin.\n *\n * **Note:** When defined as a plain function, the plugin acts as a constructor and will be\n * called in parallel with other plugins' {@link module:core/plugin~PluginInterface#constructor constructors}.\n * This means the code of that plugin will be executed **before** {@link module:core/plugin~PluginInterface#init `init()`} and\n * {@link module:core/plugin~PluginInterface#afterInit `afterInit()`} methods of other plugins and, for instance,\n * you cannot use it to extend other plugins' {@glink framework/guides/architecture/editing-engine#schema schema}\n * rules as they are defined later on during the `init()` stage.\n *\n * @interface PluginInterface\n */\n\n/**\n * Creates a new plugin instance. This is the first step of the plugin initialization.\n * See also {@link #init} and {@link #afterInit}.\n *\n * A plugin is always instantiated after its {@link module:core/plugin~PluginInterface.requires dependencies} and the\n * {@link #init} and {@link #afterInit} methods are called in the same order.\n *\n * Usually, you will want to put your plugin's initialization code in the {@link #init} method.\n * The constructor can be understood as \"before init\" and used in special cases, just like\n * {@link #afterInit} serves the special \"after init\" scenarios (e.g.the code which depends on other\n * plugins, but which does not {@link module:core/plugin~PluginInterface.requires explicitly require} them).\n *\n * @method #constructor\n * @param {module:core/editor/editor~Editor} editor\n */\n\n/**\n * An array of plugins required by this plugin.\n *\n * To keep the plugin class definition tight it is recommended to define this property as a static getter:\n *\n *\t\timport Image from './image.js';\n *\n *\t\texport default class ImageCaption {\n *\t\t\tstatic get requires() {\n *\t\t\t\treturn [ Image ];\n *\t\t\t}\n *\t\t}\n *\n * @static\n * @readonly\n * @member {Array.<Function>|undefined} module:core/plugin~PluginInterface.requires\n */\n\n/**\n * An optional name of the plugin. If set, the plugin will be available in\n * {@link module:core/plugincollection~PluginCollection#get} by its\n * name and its constructor. If not, then only by its constructor.\n *\n * The name should reflect the constructor name.\n *\n * To keep the plugin class definition tight, it is recommended to define this property as a static getter:\n *\n *\t\texport default class ImageCaption {\n *\t\t\tstatic get pluginName() {\n *\t\t\t\treturn 'ImageCaption';\n *\t\t\t}\n *\t\t}\n *\n * Note: The native `Function.name` property could not be used to keep the plugin name because\n * it will be mangled during code minification.\n *\n * Naming a plugin is necessary to enable removing it through the\n * {@link module:core/editor/editorconfig~EditorConfig#removePlugins `config.removePlugins`} option.\n *\n * @static\n * @readonly\n * @member {String|undefined} module:core/plugin~PluginInterface.pluginName\n */\n\n/**\n * The second stage (after plugin {@link #constructor}) of the plugin initialization.\n * Unlike the plugin constructor this method can be asynchronous.\n *\n * A plugin's `init()` method is called after its {@link module:core/plugin~PluginInterface.requires dependencies} are initialized,\n * so in the same order as the constructors of these plugins.\n *\n * **Note:** This method is optional. A plugin instance does not need to have it defined.\n *\n * @method #init\n * @returns {null|Promise}\n */\n\n/**\n * The third (and last) stage of the plugin initialization. See also {@link #constructor} and {@link #init}.\n *\n * **Note:** This method is optional. A plugin instance does not need to have it defined.\n *\n * @method #afterInit\n * @returns {null|Promise}\n */\n\n/**\n * Destroys the plugin.\n *\n * **Note:** This method is optional. A plugin instance does not need to have it defined.\n *\n * @method #destroy\n * @returns {null|Promise}\n */\n\n/**\n * A flag which defines if a plugin is allowed or not allowed to be used directly by a {@link module:core/context~Context}.\n *\n * @static\n * @readonly\n * @member {Boolean} module:core/plugin~PluginInterface.isContextPlugin\n */\n\n/**\n * An array of loaded plugins.\n *\n * @typedef {Array.<module:core/plugin~PluginInterface>} module:core/plugin~LoadedPlugins\n */\n\n// Helper function that forces plugin to be disabled.\nfunction forceDisable( evt ) {\n\tevt.return = false;\n\tevt.stop();\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/highlightstack\n */\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Class used to handle correct order of highlights on elements.\n *\n * When different highlights are applied to same element correct order should be preserved:\n *\n * * highlight with highest priority should be applied,\n * * if two highlights have same priority - sort by CSS class provided in\n * {@link module:engine/conversion/downcasthelpers~HighlightDescriptor}.\n *\n * This way, highlight will be applied with the same rules it is applied on texts.\n */\nexport default class HighlightStack {\n\t/**\n\t * Creates class instance.\n\t */\n\tconstructor() {\n\t\tthis._stack = [];\n\t}\n\n\t/**\n\t * Adds highlight descriptor to the stack.\n\t *\n\t * @fires change:top\n\t * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} descriptor\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n\t */\n\tadd( descriptor, writer ) {\n\t\tconst stack = this._stack;\n\n\t\t// Save top descriptor and insert new one. If top is changed - fire event.\n\t\tconst oldTop = stack[ 0 ];\n\t\tthis._insertDescriptor( descriptor );\n\t\tconst newTop = stack[ 0 ];\n\n\t\t// When new object is at the top and stores different information.\n\t\tif ( oldTop !== newTop && !compareDescriptors( oldTop, newTop ) ) {\n\t\t\tthis.fire( 'change:top', {\n\t\t\t\toldDescriptor: oldTop,\n\t\t\t\tnewDescriptor: newTop,\n\t\t\t\twriter\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Removes highlight descriptor from the stack.\n\t *\n\t * @fires change:top\n\t * @param {String} id Id of the descriptor to remove.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n\t */\n\tremove( id, writer ) {\n\t\tconst stack = this._stack;\n\n\t\tconst oldTop = stack[ 0 ];\n\t\tthis._removeDescriptor( id );\n\t\tconst newTop = stack[ 0 ];\n\n\t\t// When new object is at the top and stores different information.\n\t\tif ( oldTop !== newTop && !compareDescriptors( oldTop, newTop ) ) {\n\t\t\tthis.fire( 'change:top', {\n\t\t\t\toldDescriptor: oldTop,\n\t\t\t\tnewDescriptor: newTop,\n\t\t\t\twriter\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Inserts given descriptor in correct place in the stack. It also takes care about updating information when\n\t * descriptor with same id is already present.\n\t *\n\t * @private\n\t * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} descriptor\n\t */\n\t_insertDescriptor( descriptor ) {\n\t\tconst stack = this._stack;\n\t\tconst index = stack.findIndex( item => item.id === descriptor.id );\n\n\t\t// Inserting exact same descriptor - do nothing.\n\t\tif ( compareDescriptors( descriptor, stack[ index ] ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If descriptor with same id but with different information is on the stack - remove it.\n\t\tif ( index > -1 ) {\n\t\t\tstack.splice( index, 1 );\n\t\t}\n\n\t\t// Find correct place to insert descriptor in the stack.\n\t\t// It have different information (for example priority) so it must be re-inserted in correct place.\n\t\tlet i = 0;\n\n\t\twhile ( stack[ i ] && shouldABeBeforeB( stack[ i ], descriptor ) ) {\n\t\t\ti++;\n\t\t}\n\n\t\tstack.splice( i, 0, descriptor );\n\t}\n\n\t/**\n\t * Removes descriptor with given id from the stack.\n\t *\n\t * @private\n\t * @param {String} id Descriptor's id.\n\t */\n\t_removeDescriptor( id ) {\n\t\tconst stack = this._stack;\n\t\tconst index = stack.findIndex( item => item.id === id );\n\n\t\t// If descriptor with same id is on the list - remove it.\n\t\tif ( index > -1 ) {\n\t\t\tstack.splice( index, 1 );\n\t\t}\n\t}\n}\n\nmix( HighlightStack, EmitterMixin );\n\n// Compares two descriptors by checking their priority and class list.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} a\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} b\n// @returns {Boolean} Returns true if both descriptors are defined and have same priority and classes.\nfunction compareDescriptors( a, b ) {\n\treturn a && b && a.priority == b.priority && classesToString( a.classes ) == classesToString( b.classes );\n}\n\n// Checks whenever first descriptor should be placed in the stack before second one.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} a\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} b\n// @returns {Boolean}\nfunction shouldABeBeforeB( a, b ) {\n\tif ( a.priority > b.priority ) {\n\t\treturn true;\n\t} else if ( a.priority < b.priority ) {\n\t\treturn false;\n\t}\n\n\t// When priorities are equal and names are different - use classes to compare.\n\treturn classesToString( a.classes ) > classesToString( b.classes );\n}\n\n// Converts CSS classes passed with {@link module:engine/conversion/downcasthelpers~HighlightDescriptor} to\n// sorted string.\n//\n// @param {String|Array<String>} descriptor\n// @returns {String}\nfunction classesToString( classes ) {\n\treturn Array.isArray( classes ) ? classes.sort().join( ',' ) : classes;\n}\n\n/**\n * Fired when top element on {@link module:widget/highlightstack~HighlightStack} has been changed\n *\n * @event change:top\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} [data.newDescriptor] New highlight\n * descriptor. It will be `undefined` when last descriptor is removed from the stack.\n * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} [data.oldDescriptor] Old highlight\n * descriptor. It will be `undefined` when first descriptor is added to the stack.\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that can be used to modify element.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/tounit\n */\n\n/**\n * Returns a helper function, which adds a desired trailing\n * `unit` to the passed value.\n *\n * @param {String} unit An unit like \"px\" or \"em\".\n * @returns {module:utils/dom/tounit~helper}\n */\nexport default function toUnit( unit ) {\n\t/**\n\t * A function, which adds a pre–defined trailing `unit`\n\t * to the passed `value`.\n\t *\n\t * @function helper\n \t * @param {*} value A value to be given the unit.\n \t * @returns {String} A value with the trailing unit.\n\t */\n\treturn value => value + unit;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\n/**\n * @module ui/panel/balloon/balloonpanelview\n */\n\nimport View from '../../view';\nimport { getOptimalPosition } from '@ckeditor/ckeditor5-utils/src/dom/position';\nimport isRange from '@ckeditor/ckeditor5-utils/src/dom/isrange';\nimport toUnit from '@ckeditor/ckeditor5-utils/src/dom/tounit';\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport { isElement } from 'lodash-es';\n\nimport '../../../theme/components/panel/balloonpanel.css';\n\nconst toPx = toUnit( 'px' );\nconst defaultLimiterElement = global.document.body;\n\n/**\n * The balloon panel view class.\n *\n * A floating container which can\n * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#pin pin} to any\n * {@link module:utils/dom/position~Options#target target} in the DOM and remain in that position\n * e.g. when the web page is scrolled.\n *\n * The balloon panel can be used to display contextual, non-blocking UI like forms, toolbars and\n * the like in its {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#content} view\n * collection.\n *\n * There is a number of {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}\n * that the balloon can use, automatically switching from one to another when the viewport space becomes\n * scarce to keep the balloon visible to the user as long as it is possible. The balloon will also\n * accept any custom position set provided by the user compatible with the\n * {@link module:utils/dom/position~Options options}.\n *\n *\t\tconst panel = new BalloonPanelView( locale );\n *\t\tconst childView = new ChildView();\n *\t\tconst positions = BalloonPanelView.defaultPositions;\n *\n *\t\tpanel.render();\n *\n *\t\t// Add a child view to the panel's content collection.\n *\t\tpanel.content.add( childView );\n *\n *\t\t// Start pinning the panel to an element with the \"target\" id DOM.\n *\t\t// The balloon will remain pinned until unpin() is called.\n *\t\tpanel.pin( {\n *\t\t\ttarget: document.querySelector( '#target' ),\n *\t\t\tpositions: [\n *\t\t\t\tpositions.northArrowSouth,\n *\t\t\t\tpositions.southArrowNorth\n *\t\t\t]\n *\t\t} );\n *\n * @extends module:ui/view~View\n */\nexport default class BalloonPanelView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * The absolute top position of the balloon panel in pixels.\n\t\t *\n\t\t * @observable\n\t\t * @default 0\n\t\t * @member {Number} #top\n\t\t */\n\t\tthis.set( 'top', 0 );\n\n\t\t/**\n\t\t * The absolute left position of the balloon panel in pixels.\n\t\t *\n\t\t * @observable\n\t\t * @default 0\n\t\t * @member {Number} #left\n\t\t */\n\t\tthis.set( 'left', 0 );\n\n\t\t/**\n\t\t * The balloon panel's current position. The position name is reflected in the CSS class set\n\t\t * to the balloon, i.e. `.ck-balloon-panel_arrow_nw` for the \"arrow_nw\" position. The class\n\t\t * controls the minor aspects of the balloon's visual appearance like the placement\n\t\t * of an {@link #withArrow arrow}. To support a new position, an additional CSS must be created.\n\t\t *\n\t\t * Default position names correspond with\n\t\t * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}.\n\t\t *\n\t\t * See the {@link #attachTo} and {@link #pin} methods to learn about custom balloon positions.\n\t\t *\n\t\t * @observable\n\t\t * @default 'arrow_nw'\n\t\t * @member {'arrow_nw'|'arrow_ne'|'arrow_sw'|'arrow_se'} #position\n\t\t */\n\t\tthis.set( 'position', 'arrow_nw' );\n\n\t\t/**\n\t\t * Controls whether the balloon panel is visible or not.\n\t\t *\n\t\t * @observable\n\t\t * @default false\n\t\t * @member {Boolean} #isVisible\n\t\t */\n\t\tthis.set( 'isVisible', false );\n\n\t\t/**\n\t\t * Controls whether the balloon panel has an arrow. The presence of the arrow\n\t\t * is reflected in the `ck-balloon-panel_with-arrow` CSS class.\n\t\t *\n\t\t * @observable\n\t\t * @default true\n\t\t * @member {Boolean} #withArrow\n\t\t */\n\t\tthis.set( 'withArrow', true );\n\n\t\t/**\n\t\t * An additional CSS class added to the {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class' );\n\n\t\t/**\n\t\t * A callback that starts pinning the panel when {@link #isVisible} gets\n\t\t * `true`. Used by {@link #pin}.\n\t\t *\n\t\t * @private\n\t\t * @member {Function} #_pinWhenIsVisibleCallback\n\t\t */\n\n\t\t/**\n\t\t * A collection of the child views that creates the balloon panel contents.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.content = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-balloon-panel',\n\t\t\t\t\tbind.to( 'position', value => `ck-balloon-panel_${ value }` ),\n\t\t\t\t\tbind.if( 'isVisible', 'ck-balloon-panel_visible' ),\n\t\t\t\t\tbind.if( 'withArrow', 'ck-balloon-panel_with-arrow' ),\n\t\t\t\t\tbind.to( 'class' )\n\t\t\t\t],\n\n\t\t\t\tstyle: {\n\t\t\t\t\ttop: bind.to( 'top', toPx ),\n\t\t\t\t\tleft: bind.to( 'left', toPx )\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tchildren: this.content\n\t\t} );\n\t}\n\n\t/**\n\t * Shows the panel.\n\t *\n\t * See {@link #isVisible}.\n\t */\n\tshow() {\n\t\tthis.isVisible = true;\n\t}\n\n\t/**\n\t * Hides the panel.\n\t *\n\t * See {@link #isVisible}.\n\t */\n\thide() {\n\t\tthis.isVisible = false;\n\t}\n\n\t/**\n\t * Attaches the panel to a specified {@link module:utils/dom/position~Options#target} with a\n\t * smart positioning heuristics that chooses from available positions to make sure the panel\n\t * is visible to the user i.e. within the limits of the viewport.\n\t *\n\t * This method accepts configuration {@link module:utils/dom/position~Options options}\n\t * to set the `target`, optional `limiter` and `positions` the balloon should choose from.\n\t *\n\t *\t\tconst panel = new BalloonPanelView( locale );\n\t *\t\tconst positions = BalloonPanelView.defaultPositions;\n\t *\n\t *\t\tpanel.render();\n\t *\n\t *\t\t// Attach the panel to an element with the \"target\" id DOM.\n\t *\t\tpanel.attachTo( {\n\t *\t\t\ttarget: document.querySelector( '#target' ),\n\t *\t\t\tpositions: [\n\t *\t\t\t\tpositions.northArrowSouth,\n\t *\t\t\t\tpositions.southArrowNorth\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t * **Note**: Attaching the panel will also automatically {@link #show} it.\n\t *\n\t * **Note**: An attached panel will not follow its target when the window is scrolled or resized.\n\t * See the {@link #pin} method for a more permanent positioning strategy.\n\t *\n\t * @param {module:utils/dom/position~Options} options Positioning options compatible with\n\t * {@link module:utils/dom/position~getOptimalPosition}. Default `positions` array is\n\t * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}.\n\t */\n\tattachTo( options ) {\n\t\tthis.show();\n\n\t\tconst defaultPositions = BalloonPanelView.defaultPositions;\n\t\tconst positionOptions = Object.assign( {}, {\n\t\t\telement: this.element,\n\t\t\tpositions: [\n\t\t\t\tdefaultPositions.southArrowNorth,\n\t\t\t\tdefaultPositions.southArrowNorthMiddleWest,\n\t\t\t\tdefaultPositions.southArrowNorthMiddleEast,\n\t\t\t\tdefaultPositions.southArrowNorthWest,\n\t\t\t\tdefaultPositions.southArrowNorthEast,\n\t\t\t\tdefaultPositions.northArrowSouth,\n\t\t\t\tdefaultPositions.northArrowSouthMiddleWest,\n\t\t\t\tdefaultPositions.northArrowSouthMiddleEast,\n\t\t\t\tdefaultPositions.northArrowSouthWest,\n\t\t\t\tdefaultPositions.northArrowSouthEast\n\t\t\t],\n\t\t\tlimiter: defaultLimiterElement,\n\t\t\tfitInViewport: true\n\t\t}, options );\n\n\t\tconst optimalPosition = BalloonPanelView._getOptimalPosition( positionOptions );\n\n\t\t// Usually browsers make some problems with super accurate values like 104.345px\n\t\t// so it is better to use int values.\n\t\tconst left = parseInt( optimalPosition.left );\n\t\tconst top = parseInt( optimalPosition.top );\n\t\tconst position = optimalPosition.name;\n\n\t\tObject.assign( this, { top, left, position } );\n\t}\n\n\t/**\n\t * Works the same way as the {@link #attachTo} method except that the position of the panel is\n\t * continuously updated when:\n\t *\n\t * * any ancestor of the {@link module:utils/dom/position~Options#target}\n\t * or {@link module:utils/dom/position~Options#limiter} is scrolled,\n\t * * the browser window gets resized or scrolled.\n\t *\n\t * Thanks to that, the panel always sticks to the {@link module:utils/dom/position~Options#target}\n\t * and is immune to the changing environment.\n\t *\n\t *\t\tconst panel = new BalloonPanelView( locale );\n\t *\t\tconst positions = BalloonPanelView.defaultPositions;\n\t *\n\t *\t\tpanel.render();\n\t *\n\t *\t\t// Pin the panel to an element with the \"target\" id DOM.\n\t *\t\tpanel.pin( {\n\t *\t\t\ttarget: document.querySelector( '#target' ),\n\t *\t\t\tpositions: [\n\t *\t\t\t\tpositions.northArrowSouth,\n\t *\t\t\t\tpositions.southArrowNorth\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t * To leave the pinned state, use the {@link #unpin} method.\n\t *\n\t * **Note**: Pinning the panel will also automatically {@link #show} it.\n\t *\n\t * @param {module:utils/dom/position~Options} options Positioning options compatible with\n\t * {@link module:utils/dom/position~getOptimalPosition}. Default `positions` array is\n\t * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}.\n\t */\n\tpin( options ) {\n\t\tthis.unpin();\n\n\t\tthis._pinWhenIsVisibleCallback = () => {\n\t\t\tif ( this.isVisible ) {\n\t\t\t\tthis._startPinning( options );\n\t\t\t} else {\n\t\t\t\tthis._stopPinning();\n\t\t\t}\n\t\t};\n\n\t\tthis._startPinning( options );\n\n\t\t// Control the state of the listeners depending on whether the panel is visible\n\t\t// or not.\n\t\t// TODO: Use on() (https://github.com/ckeditor/ckeditor5-utils/issues/144).\n\t\tthis.listenTo( this, 'change:isVisible', this._pinWhenIsVisibleCallback );\n\t}\n\n\t/**\n\t * Stops pinning the panel, as set up by {@link #pin}.\n\t */\n\tunpin() {\n\t\tif ( this._pinWhenIsVisibleCallback ) {\n\t\t\t// Deactivate listeners attached by pin().\n\t\t\tthis._stopPinning();\n\n\t\t\t// Deactivate the panel pin() control logic.\n\t\t\t// TODO: Use off() (https://github.com/ckeditor/ckeditor5-utils/issues/144).\n\t\t\tthis.stopListening( this, 'change:isVisible', this._pinWhenIsVisibleCallback );\n\n\t\t\tthis._pinWhenIsVisibleCallback = null;\n\n\t\t\tthis.hide();\n\t\t}\n\t}\n\n\t/**\n\t * Starts managing the pinned state of the panel. See {@link #pin}.\n\t *\n\t * @private\n\t * @param {module:utils/dom/position~Options} options Positioning options compatible with\n\t * {@link module:utils/dom/position~getOptimalPosition}.\n\t */\n\t_startPinning( options ) {\n\t\tthis.attachTo( options );\n\n\t\tconst targetElement = getDomElement( options.target );\n\t\tconst limiterElement = options.limiter ? getDomElement( options.limiter ) : defaultLimiterElement;\n\n\t\t// Then we need to listen on scroll event of eny element in the document.\n\t\tthis.listenTo( global.document, 'scroll', ( evt, domEvt ) => {\n\t\t\tconst scrollTarget = domEvt.target;\n\n\t\t\t// The position needs to be updated if the positioning target is within the scrolled element.\n\t\t\tconst isWithinScrollTarget = targetElement && scrollTarget.contains( targetElement );\n\n\t\t\t// The position needs to be updated if the positioning limiter is within the scrolled element.\n\t\t\tconst isLimiterWithinScrollTarget = limiterElement && scrollTarget.contains( limiterElement );\n\n\t\t\t// The positioning target and/or limiter can be a Rect, object etc..\n\t\t\t// There's no way to optimize the listener then.\n\t\t\tif ( isWithinScrollTarget || isLimiterWithinScrollTarget || !targetElement || !limiterElement ) {\n\t\t\t\tthis.attachTo( options );\n\t\t\t}\n\t\t}, { useCapture: true } );\n\n\t\t// We need to listen on window resize event and update position.\n\t\tthis.listenTo( global.window, 'resize', () => {\n\t\t\tthis.attachTo( options );\n\t\t} );\n\t}\n\n\t/**\n\t * Stops managing the pinned state of the panel. See {@link #pin}.\n\t *\n\t * @private\n\t */\n\t_stopPinning() {\n\t\tthis.stopListening( global.document, 'scroll' );\n\t\tthis.stopListening( global.window, 'resize' );\n\t}\n}\n\n// Returns the DOM element for given object or null, if there is none,\n// e.g. when the passed object is a Rect instance or so.\n//\n// @private\n// @param {*} object\n// @returns {HTMLElement|null}\nfunction getDomElement( object ) {\n\tif ( isElement( object ) ) {\n\t\treturn object;\n\t}\n\n\tif ( isRange( object ) ) {\n\t\treturn object.commonAncestorContainer;\n\t}\n\n\tif ( typeof object == 'function' ) {\n\t\treturn getDomElement( object() );\n\t}\n\n\treturn null;\n}\n\n/**\n * A horizontal offset of the arrow tip from the edge of the balloon. Controlled by CSS.\n *\n *\t\t +-----|---------...\n *\t\t |     |\n *\t\t |     |\n *\t\t |     |\n *\t\t |     |\n *\t\t +--+  |  +------...\n *\t\t     \\ | /\n *\t\t      \\|/\n *\t    >|-----|<---------------- horizontal offset\n *\n * @default 30\n * @member {Number} module:ui/panel/balloon/balloonpanelview~BalloonPanelView.arrowHorizontalOffset\n */\nBalloonPanelView.arrowHorizontalOffset = 25;\n\n/**\n * A vertical offset of the arrow from the edge of the balloon. Controlled by CSS.\n *\n *\t\t +-------------...\n *\t\t |\n *\t\t |\n *\t\t |                      /-- vertical offset\n *\t\t |                     V\n *\t\t +--+    +-----...    ---------\n *\t\t     \\  /              |\n *\t\t      \\/               |\n *\t\t-------------------------------\n *\t\t                       ^\n *\n * @default 15\n * @member {Number} module:ui/panel/balloon/balloonpanelview~BalloonPanelView.arrowVerticalOffset\n */\nBalloonPanelView.arrowVerticalOffset = 10;\n\n/**\n * Function used to calculate the optimal position for the balloon.\n *\n * @protected\n * @member {Function} module:ui/panel/balloon/balloonpanelview~BalloonPanelView._getOptimalPosition\n */\nBalloonPanelView._getOptimalPosition = getOptimalPosition;\n\n/**\n * A default set of positioning functions used by the balloon panel view\n * when attaching using the {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#attachTo} method.\n *\n * The available positioning functions are as follows:\n *\n *\n *\n * **North west**\n *\n * * `northWestArrowSouthWest`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t V\n *\t\t [ Target ]\n *\n * * `northWestArrowSouthMiddleWest`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t    V\n *\t\t    [ Target ]\n *\n * * `northWestArrowSouth`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t         V\n *\t\t         [ Target ]\n *\n * * `northWestArrowSouthMiddleEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t             V\n *\t\t             [ Target ]\n *\n * * `northWestArrowSouthEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t                 V\n *\t\t                 [ Target ]\n *\n *\n *\n * **North**\n *\n * * `northArrowSouthWest`\n *\n *\t\t    +-----------------+\n *\t\t    |     Balloon     |\n *\t\t    +-----------------+\n *\t\t     V\n *\t\t[ Target ]\n *\n * * `northArrowSouthMiddleWest`\n *\n *\t\t +-----------------+\n *\t\t |     Balloon     |\n *\t\t +-----------------+\n *\t\t     V\n *\t\t[ Target ]\n *\n * * `northArrowSouth`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t         V\n *\t\t    [ Target ]\n *\n * * `northArrowSouthMiddleEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t             V\n *\t\t        [ Target ]\n *\n * * `northArrowSouthEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t                V\n *\t\t           [ Target ]\n *\n * **North east**\n *\n * * `northEastArrowSouthWest`\n *\n *\t\t        +-----------------+\n *\t\t        |     Balloon     |\n *\t\t        +-----------------+\n *\t\t         V\n *\t\t[ Target ]\n *\n *\n * * `northEastArrowSouthMiddleWest`\n *\n *\t\t     +-----------------+\n *\t\t     |     Balloon     |\n *\t\t     +-----------------+\n *\t\t         V\n *\t\t[ Target ]\n *\n * * `northEastArrowSouth`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t         V\n *\t\t[ Target ]\n *\n * * `northEastArrowSouthMiddleEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t             V\n *\t\t    [ Target ]\n *\n * * `northEastArrowSouthEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t                 V\n *\t\t        [ Target ]\n *\n *\n *\n * **South**\n *\n *\n * * `southArrowNorthWest`\n *\n *\t\t[ Target ]\n *\t\t     ^\n *\t\t    +-----------------+\n *\t\t    |     Balloon     |\n *\t\t    +-----------------+\n *\n * * `southArrowNorthMiddleWest`\n *\n *\t\t   [ Target ]\n *\t\t        ^\n *\t\t    +-----------------+\n *\t\t    |     Balloon     |\n *\t\t    +-----------------+\n *\n * * `southArrowNorth`\n *\n *\t\t    [ Target ]\n *\t\t         ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southArrowNorthMiddleEast`\n *\n *\t\t            [ Target ]\n *\t\t                 ^\n *\t\t   +-----------------+\n *\t\t   |     Balloon     |\n *\t\t   +-----------------+\n *\n * * `southArrowNorthEast`\n *\n *\t\t            [ Target ]\n *\t\t                 ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n *\n *\n * **South west**\n *\n * * `southWestArrowNorthWest`\n *\n *\t\t [ Target ]\n *\t\t ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southWestArrowNorthMiddleWest`\n *\n *\t\t     [ Target ]\n *\t\t     ^\n *\t\t +-----------------+\n *\t\t |     Balloon     |\n *\t\t +-----------------+\n *\n * * `southWestArrowNorth`\n *\n *\t\t         [ Target ]\n *\t\t         ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southWestArrowNorthMiddleEast`\n *\n *\t\t              [ Target ]\n *\t\t              ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southWestArrowNorthEast`\n *\n *\t\t                 [ Target ]\n *\t\t                 ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n *\n *\n * **South east**\n *\n * * `southEastArrowNorthWest`\n *\n *\t\t[ Target ]\n *\t\t         ^\n *\t\t        +-----------------+\n *\t\t        |     Balloon     |\n *\t\t        +-----------------+\n* * `southEastArrowNorthMiddleWest`\n *\n *\t\t   [ Target ]\n *\t\t            ^\n *\t\t        +-----------------+\n *\t\t        |     Balloon     |\n *\t\t        +-----------------+\n *\n * * `southEastArrowNorth`\n *\n *\t\t[ Target ]\n *\t\t         ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southEastArrowNorthMiddleEast`\n *\n *\t\t     [ Target ]\n *\t\t              ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southEastArrowNorthEast`\n *\n *\t\t        [ Target ]\n *\t\t                 ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n *\n * See {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#attachTo}.\n *\n * Positioning functions must be compatible with {@link module:utils/dom/position~Position}.\n *\n * The name that the position function returns will be reflected in the balloon panel's class that\n * controls the placement of the \"arrow\". See {@link #position} to learn more.\n *\n * @member {Object} module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions\n */\nBalloonPanelView.defaultPositions = {\n\n\t// ------- North west\n\n\tnorthWestArrowSouthWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_sw'\n\t} ),\n\n\tnorthWestArrowSouthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - ( balloonRect.width * .25 ) - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_smw'\n\t} ),\n\n\tnorthWestArrowSouth: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - balloonRect.width / 2,\n\t\tname: 'arrow_s'\n\t} ),\n\n\tnorthWestArrowSouthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - ( balloonRect.width * .75 ) + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_sme'\n\t} ),\n\n\tnorthWestArrowSouthEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - balloonRect.width + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_se'\n\t} ),\n\n\t// ------- North\n\n\tnorthArrowSouthWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_sw'\n\t} ),\n\n\tnorthArrowSouthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - ( balloonRect.width * .25 ) - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_smw'\n\t} ),\n\n\tnorthArrowSouth: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width / 2,\n\t\tname: 'arrow_s'\n\t} ),\n\n\tnorthArrowSouthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - ( balloonRect.width * .75 ) + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_sme'\n\t} ),\n\n\tnorthArrowSouthEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_se'\n\t} ),\n\n\t// ------- North east\n\n\tnorthEastArrowSouthWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_sw'\n\t} ),\n\n\tnorthEastArrowSouthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - ( balloonRect.width * .25 ) - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_smw'\n\t} ),\n\tnorthEastArrowSouth: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - balloonRect.width / 2,\n\t\tname: 'arrow_s'\n\t} ),\n\n\tnorthEastArrowSouthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - ( balloonRect.width * .75 ) + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_sme'\n\t} ),\n\n\tnorthEastArrowSouthEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - balloonRect.width + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_se'\n\t} ),\n\t// ------- South west\n\n\tsouthWestArrowNorthWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nw'\n\t} ),\n\n\tsouthWestArrowNorthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - ( balloonRect.width * .25 ) - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nmw'\n\t} ),\n\n\tsouthWestArrowNorth: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - balloonRect.width / 2,\n\t\tname: 'arrow_n'\n\t} ),\n\n\tsouthWestArrowNorthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - ( balloonRect.width * .75 ) + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nme'\n\t} ),\n\n\tsouthWestArrowNorthEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left - balloonRect.width + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_ne'\n\t} ),\n\n\t// ------- South\n\n\tsouthArrowNorthWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nw'\n\t} ),\n\tsouthArrowNorthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - ( balloonRect.width * 0.25 ) - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nmw'\n\t} ),\n\n\tsouthArrowNorth: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width / 2,\n\t\tname: 'arrow_n'\n\t} ),\n\n\tsouthArrowNorthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - ( balloonRect.width * 0.75 ) + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nme'\n\t} ),\n\n\tsouthArrowNorthEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_ne'\n\t} ),\n\n\t// ------- South east\n\n\tsouthEastArrowNorthWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nw'\n\t} ),\n\n\tsouthEastArrowNorthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - ( balloonRect.width * .25 ) - BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nmw'\n\t} ),\n\n\tsouthEastArrowNorth: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - balloonRect.width / 2,\n\t\tname: 'arrow_n'\n\t} ),\n\n\tsouthEastArrowNorthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - ( balloonRect.width * .75 ) + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_nme'\n\t} ),\n\n\tsouthEastArrowNorthEast: ( targetRect, balloonRect ) => ( {\n\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\tleft: targetRect.right - balloonRect.width + BalloonPanelView.arrowHorizontalOffset,\n\t\tname: 'arrow_ne'\n\t} )\n\n};\n\n// Returns the top coordinate for positions starting with `north*`.\n//\n// @private\n// @param {utils/dom/rect~Rect} targetRect A rect of the target.\n// @param {utils/dom/rect~Rect} elementRect A rect of the balloon.\n// @returns {Number}\nfunction getNorthTop( targetRect, balloonRect ) {\n\treturn targetRect.top - balloonRect.height - BalloonPanelView.arrowVerticalOffset;\n}\n\n// Returns the top coordinate for positions starting with `south*`.\n//\n// @private\n// @param {utils/dom/rect~Rect} targetRect A rect of the target.\n// @param {utils/dom/rect~Rect} elementRect A rect of the balloon.\n// @returns {Number}\nfunction getSouthTop( targetRect ) {\n\treturn targetRect.bottom + BalloonPanelView.arrowVerticalOffset;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgettypearound/utils\n */\n\nimport { isWidget } from '../utils';\n\n/**\n * The name of the type around model selection attribute responsible for\n * displaying a fake caret next to a selected widget.\n */\nexport const TYPE_AROUND_SELECTION_ATTRIBUTE = 'widget-type-around';\n\n/**\n * Checks if an element is a widget that qualifies to get the widget type around UI.\n *\n * @param {module:engine/view/element~Element} viewElement\n * @param {module:engine/model/element~Element} modelElement\n * @param {module:engine/model/schema~Schema} schema\n * @returns {Boolean}\n */\nexport function isTypeAroundWidget( viewElement, modelElement, schema ) {\n\treturn viewElement && isWidget( viewElement ) && !schema.isInline( modelElement );\n}\n\n/**\n * For the passed HTML element, this helper finds the closest widget type around button ancestor.\n *\n * @param {HTMLElement} domElement\n * @returns {HTMLElement|null}\n */\nexport function getClosestTypeAroundDomButton( domElement ) {\n\treturn domElement.closest( '.ck-widget__type-around__button' );\n}\n\n/**\n * For the passed widget type around button element, this helper determines at which position\n * the paragraph would be inserted into the content if, for instance, the button was\n * clicked by the user.\n *\n * @param {HTMLElement} domElement\n * @returns {'before'|'after'} The position of the button.\n */\nexport function getTypeAroundButtonPosition( domElement ) {\n\treturn domElement.classList.contains( 'ck-widget__type-around__button_before' ) ? 'before' : 'after';\n}\n\n/**\n * For the passed HTML element, this helper returns the closest view widget ancestor.\n *\n * @param {HTMLElement} domElement\n * @param {module:engine/view/domconverter~DomConverter} domConverter\n * @returns {module:engine/view/element~Element}\n */\nexport function getClosestWidgetViewElement( domElement, domConverter ) {\n\tconst widgetDomElement = domElement.closest( '.ck-widget' );\n\n\treturn domConverter.mapDomToView( widgetDomElement );\n}\n\n/**\n * For the passed selection instance, it returns the position of the fake caret displayed next to a widget.\n *\n * **Note**: If the fake caret is not currently displayed, `null` is returned.\n *\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * @returns {'before'|'after'|null} The position of the fake caret or `null` when none is present.\n */\nexport function getTypeAroundFakeCaretPosition( selection ) {\n\treturn selection.getAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/utils\n */\n\nimport HighlightStack from './highlightstack';\nimport IconView from '@ckeditor/ckeditor5-ui/src/icon/iconview';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport BalloonPanelView from '@ckeditor/ckeditor5-ui/src/panel/balloon/balloonpanelview';\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\nimport dragHandleIcon from '../theme/icons/drag-handle.svg';\nimport { getTypeAroundFakeCaretPosition } from './widgettypearound/utils';\n\n/**\n * CSS class added to each widget element.\n *\n * @const {String}\n */\nexport const WIDGET_CLASS_NAME = 'ck-widget';\n\n/**\n * CSS class added to currently selected widget element.\n *\n * @const {String}\n */\nexport const WIDGET_SELECTED_CLASS_NAME = 'ck-widget_selected';\n\n/**\n * Returns `true` if given {@link module:engine/view/node~Node} is an {@link module:engine/view/element~Element} and a widget.\n *\n * @param {module:engine/view/node~Node} node\n * @returns {Boolean}\n */\nexport function isWidget( node ) {\n\tif ( !node.is( 'element' ) ) {\n\t\treturn false;\n\t}\n\n\treturn !!node.getCustomProperty( 'widget' );\n}\n\n/**\n * Converts the given {@link module:engine/view/element~Element} to a widget in the following way:\n *\n * * sets the `contenteditable` attribute to `\"false\"`,\n * * adds the `ck-widget` CSS class,\n * * adds a custom {@link module:engine/view/element~Element#getFillerOffset `getFillerOffset()`} method returning `null`,\n * * adds a custom property allowing to recognize widget elements by using {@link ~isWidget `isWidget()`},\n * * implements the {@link ~setHighlightHandling view highlight on widgets}.\n *\n * This function needs to be used in conjunction with\n * {@link module:engine/conversion/downcasthelpers~DowncastHelpers downcast conversion helpers}\n * like {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`}.\n * Moreover, typically you will want to use `toWidget()` only for `editingDowncast`, while keeping the `dataDowncast` clean.\n *\n * For example, in order to convert a `<widget>` model element to `<div class=\"widget\">` in the view, you can define\n * such converters:\n *\n *\t\teditor.conversion.for( 'editingDowncast' )\n *\t\t\t.elementToElement( {\n *\t\t\t\tmodel: 'widget',\n *\t\t\t\tview: ( modelItem, { writer } ) => {\n *\t\t\t\t\tconst div = writer.createContainerElement( 'div', { class: 'widget' } );\n *\n *\t\t\t\t\treturn toWidget( div, writer, { label: 'some widget' } );\n *\t\t\t\t}\n *\t\t\t} );\n *\n *\t\teditor.conversion.for( 'dataDowncast' )\n *\t\t\t.elementToElement( {\n *\t\t\t\tmodel: 'widget',\n *\t\t\t\tview: ( modelItem, { writer } ) => {\n *\t\t\t\t\treturn writer.createContainerElement( 'div', { class: 'widget' } );\n *\t\t\t\t}\n *\t\t\t} );\n *\n * See the full source code of the widget (with a nested editable) schema definition and converters in\n * [this sample](https://github.com/ckeditor/ckeditor5-widget/blob/master/tests/manual/widget-with-nestededitable.js).\n *\n * @param {module:engine/view/element~Element} element\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {Object} [options={}]\n * @param {String|Function} [options.label] Element's label provided to the {@link ~setLabel} function. It can be passed as\n * a plain string or a function returning a string. It represents the widget for assistive technologies (like screen readers).\n * @param {Boolean} [options.hasSelectionHandle=false] If `true`, the widget will have a selection handle added.\n * @returns {module:engine/view/element~Element} Returns the same element.\n */\nexport function toWidget( element, writer, options = {} ) {\n\tif ( !element.is( 'containerElement' ) ) {\n\t\t/**\n\t\t * The element passed to `toWidget()` must be a {@link module:engine/view/containerelement~ContainerElement}\n\t\t * instance.\n\t\t *\n\t\t * @error widget-to-widget-wrong-element-type\n\t\t * @param {String} element The view element passed to `toWidget()`.\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'widget-to-widget-wrong-element-type',\n\t\t\tnull,\n\t\t\t{ element }\n\t\t);\n\t}\n\n\twriter.setAttribute( 'contenteditable', 'false', element );\n\n\twriter.addClass( WIDGET_CLASS_NAME, element );\n\twriter.setCustomProperty( 'widget', true, element );\n\telement.getFillerOffset = getFillerOffset;\n\n\tif ( options.label ) {\n\t\tsetLabel( element, options.label, writer );\n\t}\n\n\tif ( options.hasSelectionHandle ) {\n\t\taddSelectionHandle( element, writer );\n\t}\n\n\tsetHighlightHandling(\n\t\telement,\n\t\twriter,\n\t\t( element, descriptor, writer ) => writer.addClass( toArray( descriptor.classes ), element ),\n\t\t( element, descriptor, writer ) => writer.removeClass( toArray( descriptor.classes ), element )\n\t);\n\n\treturn element;\n}\n\n/**\n * Sets highlight handling methods. Uses {@link module:widget/highlightstack~HighlightStack} to\n * properly determine which highlight descriptor should be used at given time.\n *\n * @param {module:engine/view/element~Element} element\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {Function} add\n * @param {Function} remove\n */\nexport function setHighlightHandling( element, writer, add, remove ) {\n\tconst stack = new HighlightStack();\n\n\tstack.on( 'change:top', ( evt, data ) => {\n\t\tif ( data.oldDescriptor ) {\n\t\t\tremove( element, data.oldDescriptor, data.writer );\n\t\t}\n\n\t\tif ( data.newDescriptor ) {\n\t\t\tadd( element, data.newDescriptor, data.writer );\n\t\t}\n\t} );\n\n\twriter.setCustomProperty( 'addHighlight', ( element, descriptor, writer ) => stack.add( descriptor, writer ), element );\n\twriter.setCustomProperty( 'removeHighlight', ( element, id, writer ) => stack.remove( id, writer ), element );\n}\n\n/**\n * Sets label for given element.\n * It can be passed as a plain string or a function returning a string. Function will be called each time label is retrieved by\n * {@link ~getLabel `getLabel()`}.\n *\n * @param {module:engine/view/element~Element} element\n * @param {String|Function} labelOrCreator\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n */\nexport function setLabel( element, labelOrCreator, writer ) {\n\twriter.setCustomProperty( 'widgetLabel', labelOrCreator, element );\n}\n\n/**\n * Returns the label of the provided element.\n *\n * @param {module:engine/view/element~Element} element\n * @returns {String}\n */\nexport function getLabel( element ) {\n\tconst labelCreator = element.getCustomProperty( 'widgetLabel' );\n\n\tif ( !labelCreator ) {\n\t\treturn '';\n\t}\n\n\treturn typeof labelCreator == 'function' ? labelCreator() : labelCreator;\n}\n\n/**\n * Adds functionality to the provided {@link module:engine/view/editableelement~EditableElement} to act as a widget's editable:\n *\n * * sets the `contenteditable` attribute to `true` when {@link module:engine/view/editableelement~EditableElement#isReadOnly} is `false`,\n * otherwise sets it to `false`,\n * * adds the `ck-editor__editable` and `ck-editor__nested-editable` CSS classes,\n * * adds the `ck-editor__nested-editable_focused` CSS class when the editable is focused and removes it when it is blurred.\n *\n * Similarly to {@link ~toWidget `toWidget()`} this function should be used in `editingDowncast` only and it is usually\n * used together with {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`}.\n *\n * For example, in order to convert a `<nested>` model element to `<div class=\"nested\">` in the view, you can define\n * such converters:\n *\n *\t\teditor.conversion.for( 'editingDowncast' )\n *\t\t\t.elementToElement( {\n *\t\t\t\tmodel: 'nested',\n *\t\t\t\tview: ( modelItem, { writer } ) => {\n *\t\t\t\t\tconst div = writer.createEditableElement( 'div', { class: 'nested' } );\n *\n *\t\t\t\t\treturn toWidgetEditable( nested, writer );\n *\t\t\t\t}\n *\t\t\t} );\n *\n *\t\teditor.conversion.for( 'dataDowncast' )\n *\t\t\t.elementToElement( {\n *\t\t\t\tmodel: 'nested',\n *\t\t\t\tview: ( modelItem, { writer } ) => {\n *\t\t\t\t\treturn writer.createContainerElement( 'div', { class: 'nested' } );\n *\t\t\t\t}\n *\t\t\t} );\n *\n * See the full source code of the widget (with nested editable) schema definition and converters in\n * [this sample](https://github.com/ckeditor/ckeditor5-widget/blob/master/tests/manual/widget-with-nestededitable.js).\n *\n * @param {module:engine/view/editableelement~EditableElement} editable\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @returns {module:engine/view/editableelement~EditableElement} Returns the same element that was provided in the `editable` parameter\n */\nexport function toWidgetEditable( editable, writer ) {\n\twriter.addClass( [ 'ck-editor__editable', 'ck-editor__nested-editable' ], editable );\n\n\t// Set initial contenteditable value.\n\twriter.setAttribute( 'contenteditable', editable.isReadOnly ? 'false' : 'true', editable );\n\n\t// Bind the contenteditable property to element#isReadOnly.\n\teditable.on( 'change:isReadOnly', ( evt, property, is ) => {\n\t\twriter.setAttribute( 'contenteditable', is ? 'false' : 'true', editable );\n\t} );\n\n\teditable.on( 'change:isFocused', ( evt, property, is ) => {\n\t\tif ( is ) {\n\t\t\twriter.addClass( 'ck-editor__nested-editable_focused', editable );\n\t\t} else {\n\t\t\twriter.removeClass( 'ck-editor__nested-editable_focused', editable );\n\t\t}\n\t} );\n\n\treturn editable;\n}\n\n/**\n * Returns a model position which is optimal (in terms of UX) for inserting a widget block.\n *\n * For instance, if a selection is in the middle of a paragraph, the position before this paragraph\n * will be returned so that it is not split. If the selection is at the end of a paragraph,\n * the position after this paragraph will be returned.\n *\n * Note: If the selection is placed in an empty block, that block will be returned. If that position\n * is then passed to {@link module:engine/model/model~Model#insertContent},\n * the block will be fully replaced by the image.\n *\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * The selection based on which the insertion position should be calculated.\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {module:engine/model/position~Position} The optimal position.\n */\nexport function findOptimalInsertionPosition( selection, model ) {\n\tconst selectedElement = selection.getSelectedElement();\n\n\tif ( selectedElement ) {\n\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( selection );\n\n\t\t// If the WidgetTypeAround \"fake caret\" is displayed, use its position for the insertion\n\t\t// to provide the most predictable UX (https://github.com/ckeditor/ckeditor5/issues/7438).\n\t\tif ( typeAroundFakeCaretPosition ) {\n\t\t\treturn model.createPositionAt( selectedElement, typeAroundFakeCaretPosition );\n\t\t}\n\n\t\tif ( model.schema.isBlock( selectedElement ) ) {\n\t\t\treturn model.createPositionAfter( selectedElement );\n\t\t}\n\t}\n\n\tconst firstBlock = selection.getSelectedBlocks().next().value;\n\n\tif ( firstBlock ) {\n\t\t// If inserting into an empty block – return position in that block. It will get\n\t\t// replaced with the image by insertContent(). #42.\n\t\tif ( firstBlock.isEmpty ) {\n\t\t\treturn model.createPositionAt( firstBlock, 0 );\n\t\t}\n\n\t\tconst positionAfter = model.createPositionAfter( firstBlock );\n\n\t\t// If selection is at the end of the block - return position after the block.\n\t\tif ( selection.focus.isTouching( positionAfter ) ) {\n\t\t\treturn positionAfter;\n\t\t}\n\n\t\t// Otherwise return position before the block.\n\t\treturn model.createPositionBefore( firstBlock );\n\t}\n\n\treturn selection.focus;\n}\n\n/**\n * A util to be used in order to map view positions to correct model positions when implementing a widget\n * which renders non-empty view element for an empty model element.\n *\n * For example:\n *\n *\t\t// Model:\n *\t\t<placeholder type=\"name\"></placeholder>\n *\n *\t\t// View:\n *\t\t<span class=\"placeholder\">name</span>\n *\n * In such case, view positions inside `<span>` cannot be correct mapped to the model (because the model element is empty).\n * To handle mapping positions inside `<span class=\"placeholder\">` to the model use this util as follows:\n *\n *\t\teditor.editing.mapper.on(\n *\t\t\t'viewToModelPosition',\n *\t\t\tviewToModelPositionOutsideModelElement( model, viewElement => viewElement.hasClass( 'placeholder' ) )\n *\t\t);\n *\n * The callback will try to map the view offset of selection to an expected model position.\n *\n * 1. When the position is at the end (or in the middle) of the inline widget:\n *\n *\t\t// View:\n *\t\t<p>foo <span class=\"placeholder\">name|</span> bar</p>\n *\n *\t\t// Model:\n *\t\t<paragraph>foo <placeholder type=\"name\"></placeholder>| bar</paragraph>\n *\n * 2. When the position is at the beginning of the inline widget:\n *\n *\t\t// View:\n *\t\t<p>foo <span class=\"placeholder\">|name</span> bar</p>\n *\n *\t\t// Model:\n *\t\t<paragraph>foo |<placeholder type=\"name\"></placeholder> bar</paragraph>\n *\n * @param {module:engine/model/model~Model} model Model instance on which the callback operates.\n * @param {Function} viewElementMatcher Function that is passed a view element and should return `true` if the custom mapping\n * should be applied to the given view element.\n * @return {Function}\n */\nexport function viewToModelPositionOutsideModelElement( model, viewElementMatcher ) {\n\treturn ( evt, data ) => {\n\t\tconst { mapper, viewPosition } = data;\n\n\t\tconst viewParent = mapper.findMappedViewAncestor( viewPosition );\n\n\t\tif ( !viewElementMatcher( viewParent ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelParent = mapper.toModelElement( viewParent );\n\n\t\tdata.modelPosition = model.createPositionAt( modelParent, viewPosition.isAtStart ? 'before' : 'after' );\n\t};\n}\n\n/**\n * A positioning function passed to the {@link module:utils/dom/position~getOptimalPosition} helper as a last resort\n * when attaching {@link  module:ui/panel/balloon/balloonpanelview~BalloonPanelView balloon UI} to widgets.\n * It comes in handy when a widget is longer than the visual viewport of the web browser and/or upper/lower boundaries\n * of a widget are off screen because of the web page scroll.\n *\n *\t                                       ┌─┄┄┄┄┄┄┄┄┄Widget┄┄┄┄┄┄┄┄┄┐\n *\t                                       ┊                         ┊\n *\t┌────────────Viewport───────────┐   ┌──╁─────────Viewport────────╁──┐\n *\t│  ┏━━━━━━━━━━Widget━━━━━━━━━┓  │   │  ┃            ^            ┃  │\n *\t│  ┃            ^            ┃  │   │  ┃   ╭───────/ \\───────╮   ┃  │\n *\t│  ┃   ╭───────/ \\───────╮   ┃  │   │  ┃   │     Balloon     │   ┃  │\n *\t│  ┃   │     Balloon     │   ┃  │   │  ┃   ╰─────────────────╯   ┃  │\n *\t│  ┃   ╰─────────────────╯   ┃  │   │  ┃                         ┃  │\n *\t│  ┃                         ┃  │   │  ┃                         ┃  │\n *\t│  ┃                         ┃  │   │  ┃                         ┃  │\n *\t│  ┃                         ┃  │   │  ┃                         ┃  │\n *\t│  ┃                         ┃  │   │  ┃                         ┃  │\n *\t│  ┃                         ┃  │   │  ┃                         ┃  │\n *\t│  ┃                         ┃  │   │  ┃                         ┃  │\n *\t└──╀─────────────────────────╀──┘   └──╀─────────────────────────╀──┘\n *\t   ┊                         ┊         ┊                         ┊\n *\t   ┊                         ┊         └┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┘\n *\t   ┊                         ┊\n *\t   └┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┘\n *\n * **Note**: Works best if used together with\n * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions default `BalloonPanelView` positions}\n * like `northArrowSouth` and `southArrowNorth`; the transition between these two and this position is smooth.\n *\n * @param {module:utils/dom/rect~Rect} widgetRect A rect of the widget.\n * @param {module:utils/dom/rect~Rect} balloonRect A rect of the balloon.\n * @returns {module:utils/dom/position~Position|null}\n */\nexport function centeredBalloonPositionForLongWidgets( widgetRect, balloonRect ) {\n\tconst viewportRect = new Rect( global.window );\n\tconst viewportWidgetInsersectionRect = viewportRect.getIntersection( widgetRect );\n\n\tconst balloonTotalHeight = balloonRect.height + BalloonPanelView.arrowVerticalOffset;\n\n\t// If there is enough space above or below the widget then this position should not be used.\n\tif ( widgetRect.top - balloonTotalHeight > viewportRect.top || widgetRect.bottom + balloonTotalHeight < viewportRect.bottom ) {\n\t\treturn null;\n\t}\n\n\t// Because this is a last resort positioning, to keep things simple we're not playing with positions of the arrow\n\t// like, for instance, \"south west\" or whatever. Just try to keep the balloon in the middle of the visible area of\n\t// the widget for as long as it is possible. If the widgets becomes invisible (because cropped by the viewport),\n\t// just... place the balloon in the middle of it (because why not?).\n\tconst targetRect = viewportWidgetInsersectionRect || widgetRect;\n\tconst left = targetRect.left + targetRect.width / 2 - balloonRect.width / 2;\n\n\treturn {\n\t\ttop: Math.max( widgetRect.top, 0 ) + BalloonPanelView.arrowVerticalOffset,\n\t\tleft,\n\t\tname: 'arrow_n'\n\t};\n}\n\n// Default filler offset function applied to all widget elements.\n//\n// @returns {null}\nfunction getFillerOffset() {\n\treturn null;\n}\n\n// Adds a drag handle to the widget.\n//\n// @param {module:engine/view/containerelement~ContainerElement}\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction addSelectionHandle( widgetElement, writer ) {\n\tconst selectionHandle = writer.createUIElement( 'div', { class: 'ck ck-widget__selection-handle' }, function( domDocument ) {\n\t\tconst domElement = this.toDomElement( domDocument );\n\n\t\t// Use the IconView from the ui library.\n\t\tconst icon = new IconView();\n\t\ticon.set( 'content', dragHandleIcon );\n\n\t\t// Render the icon view right away to append its #element to the selectionHandle DOM element.\n\t\ticon.render();\n\n\t\tdomElement.appendChild( icon.element );\n\n\t\treturn domElement;\n\t} );\n\n\t// Append the selection handle into the widget wrapper.\n\twriter.insert( writer.createPositionAt( widgetElement, 0 ), selectionHandle );\n\twriter.addClass( [ 'ck-widget_with-selection-handle' ], widgetElement );\n}\n","export default \"<svg viewBox=\\\"0 0 16 16\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z\\\"/><path fill-opacity=\\\".256\\\" d=\\\"M1 1h14v14H1z\\\"/><g class=\\\"ck-icon__selected-indicator\\\"><path d=\\\"M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z\\\"/><path fill-opacity=\\\".254\\\" d=\\\"M1 1h14v14H1z\\\"/></g></svg>\";","import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport { toWidget } from '@ckeditor/ckeditor5-widget/src/utils';\n\nexport default class OPMacroTocPlugin extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroToc';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn 'insertToc';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst conversion = editor.conversion;\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'op-macro-toc', {\n\t\t\tallowWhere: '$block',\n\t\t\tisBlock: true,\n\t\t    isLimit: true\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'macro',\n\t\t\t\t\tclasses: 'toc'\n\t\t\t\t},\n\t\t\t\tmodel: 'op-macro-toc'\n\t\t\t} );\n\n\n\t\tconversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'op-macro-toc',\n\t\t\tview: (modelElement, {writer: viewWriter}) => {\n\t\t\t\treturn toWidget(this.createTocViewElement(viewWriter), viewWriter, { label: this.label } )\n\t\t\t}\n\t    } );\n\n\t\tconversion.for('dataDowncast').elementToElement({\n\t\t\tmodel: 'op-macro-toc',\n\t\t\tview: (modelElement, {writer: viewWriter}) => {\n\t\t\t\treturn this.createTocDataElement(viewWriter)\n\t\t\t}\n\t\t});\n\n\t\teditor.ui.componentFactory.add( OPMacroTocPlugin.buttonName, locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: this.label,\n\t\t\t\twithText: true,\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\tconst tocElement = writer.createElement( 'op-macro-toc', {});\n\n\t\t\t\t\t// Insert the image in the current selection location.\n\t\t\t\t\teditor.model.insertContent( tocElement, editor.model.document.selection );\n\t\t\t\t} );\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tget label() {\n\t\treturn window.I18n.t('js.editor.macro.toc');\n\t}\n\n\tcreateTocViewElement(writer) {\n\t\tconst placeholder = writer.createText( this.label );\n\t\tconst container = writer.createContainerElement( 'div');\n\n\t\twriter.insert( writer.createPositionAt( container, 0 ), placeholder );\n\t\treturn container;\n\t}\n\n\tcreateTocDataElement(writer) {\n\t\treturn writer.createContainerElement('macro', { class: 'toc' } );\n\t}\n\n}\n","const embeddedTableSymbol = Symbol( 'isOPEmbeddedTable' );\nimport {toWidget, isWidget} from '@ckeditor/ckeditor5-widget/src/utils';\n\nexport function toEmbeddedTableWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( embeddedTableSymbol, true, viewElement );\n\treturn toWidget( viewElement, writer, { label: 'your label here' } );\n}\n\n\nexport function isEmbeddedTableWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( embeddedTableSymbol ) && isWidget( viewElement );\n}\n\n\nexport function isEmbeddedTableWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isEmbeddedTableWidget( viewElement ) );\n}\n","export function getOP(editor) {\n\treturn _.get(editor.config, '_config.openProject');\n}\n\nexport function getOPResource(editor) {\n\treturn _.get(editor.config, '_config.openProject.context.resource');\n}\n\nexport function getOPPreviewContext(editor) {\n\treturn _.get(editor.config, '_config.openProject.context.previewContext');\n}\n\nexport function getPluginContext(editor) {\n\treturn _.get(editor.config, '_config.openProject.pluginContext');\n}\n\nexport function getOPService(editor, name) {\n\treturn getPluginContext(editor).services[name];\n}\n\nexport function getOPHelper(editor, name) {\n\treturn getPluginContext(editor).helpers[name];\n}\n\nexport function getOPPath(editor) {\n\treturn getOPService(editor,'pathHelperService');\n}\n","import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport {toEmbeddedTableWidget} from './utils';\nimport ViewPosition from '@ckeditor/ckeditor5-engine/src/view/position';\nimport {getPluginContext} from '../op-context/op-context';\n\nexport default class EmbeddedTableEditing extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'EmbeddedTableEditing';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn 'insertEmbeddedTable';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst conversion = editor.conversion;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\tthis.text = {\n\t\t\tbutton: window.I18n.t('js.editor.macro.embedded_table.button'),\n\t\t\tmacro_text: window.I18n.t('js.editor.macro.embedded_table.text'),\n\t\t};\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'op-macro-embedded-table', {\n\t\t\tallowWhere: '$block',\n\t\t\tallowAttributes: ['opEmbeddedTableQuery'],\n\t\t\tisBlock: true,\n\t\t\tisObject: true\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'macro',\n\t\t\t\t\tclasses: 'embedded-table',\n\t\t\t\t},\n\t\t\t\tmodel: ( viewElement, {writer:modelWriter} ) => {\n\t\t\t\t\tconst queryProps = viewElement.getAttribute( 'data-query-props' );\n\t\t\t\t\treturn modelWriter.createElement(\n\t\t\t\t\t\t'op-macro-embedded-table',\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\topEmbeddedTableQuery: queryProps ? JSON.parse(queryProps) : {}\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t} );\n\n\n\t\tconversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'op-macro-embedded-table',\n\t\t\tview: (modelElement, {writer:viewWriter}) => {\n\t\t\t\treturn toEmbeddedTableWidget(this.createEmbeddedTableView(viewWriter), viewWriter, { label: this.label } )\n\t\t\t}\n\t    } );\n\n\t\tconversion.for('dataDowncast').elementToElement({\n\t\t\tmodel: 'op-macro-embedded-table',\n\t\t\tview: (modelElement, {writer:viewWriter}) => {\n\t\t\t\treturn this.createEmbeddedTableDataElement(modelElement, viewWriter)\n\t\t\t}\n\t\t});\n\n\t\teditor.ui.componentFactory.add( EmbeddedTableEditing.buttonName, locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: this.text.button,\n\t\t\t\twithText: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the widget is clicked.\n\t\t\tview.on( 'execute', () => pluginContext.runInZone(() => {\n\t\t\t\tconst externalQueryConfiguration = pluginContext.services.externalQueryConfiguration;\n\t\t\t\tconst currentQuery = {}; // Initial query currently empty, we may want to provide context here.\n\n\t\t\t\texternalQueryConfiguration.show({\n\t\t\t\t\tcurrentQuery: currentQuery,\n\t\t\t\t\tcallback: (newQuery) => editor.model.change(writer => {\n\t\t\t\t\t\tconst element = writer.createElement('op-macro-embedded-table', {opEmbeddedTableQuery: newQuery});\n\n\t\t\t\t\t\t// Insert the widget in the current selection location.\n\t\t\t\t\t\teditor.model.insertContent(element, editor.model.document.selection);\n\t\t\t\t\t})\n\t\t\t\t});\n\t\t\t} ) );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tcreateEmbeddedTableView(writer) {\n\t\tconst placeholder = writer.createText( this.text.macro_text );\n\t\tconst container = writer.createContainerElement( 'div' );\n\n\t\twriter.insert( writer.createPositionAt( container, 0 ), placeholder );\n\t\treturn container;\n\n\t\t// The following doesnt work when removing the widget...\n\t\t// let that = this;\n\t\t// return writer.createUIElement( 'div', { class: 'macro -embedded-table' }, function(containerDocument) {\n\t\t// \tconst containerElement = this.toDomElement(containerDocument);\n\t\t// \tcontainerElement.innerHTML = imageIcon + '<div class=\"macro--description\">' + that.text.macro_text + '</div>';\n\n\t\t// \treturn containerElement;\n\t\t// } );\n\t}\n\n\tcreateEmbeddedTableDataElement(modelElement, writer) {\n\t\tconst queryProps = modelElement.getAttribute('opEmbeddedTableQuery') || {};\n\t\tconst element = writer.createContainerElement(\n\t\t\t'macro',\n\t\t\t{\n\t\t\t\t'class': 'embedded-table',\n\t\t\t\t'data-query-props': JSON.stringify(queryProps)\n\t\t\t}\n\t\t);\n\n\t\treturn element;\n\t}\n\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/mouseobserver\n */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * Mouse events observer.\n *\n * Note that this observer is not available by default. To make it available it needs to be added to\n * {@link module:engine/view/view~View} by {@link module:engine/view/view~View#addObserver} method.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class MouseObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = 'mousedown';\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired when mouse button is pressed down on one of the editables.\n *\n * Introduced by {@link module:engine/view/observer/mouseobserver~MouseObserver}.\n *\n * Note that this event is not available by default. To make it available {@link module:engine/view/observer/mouseobserver~MouseObserver}\n * needs to be added to {@link module:engine/view/view~View} by a {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:engine/view/observer/mouseobserver~MouseObserver\n * @event module:engine/view/document~Document#event:mousedown\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/injectunsafekeystrokeshandling\n */\n\nimport { getCode } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\n/**\n * Handles keystrokes which are unsafe for typing. This handler's logic is explained\n * in https://github.com/ckeditor/ckeditor5-typing/issues/83#issuecomment-398690251.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n */\nexport default function injectUnsafeKeystrokesHandling( editor ) {\n\tlet latestCompositionSelection = null;\n\n\tconst model = editor.model;\n\tconst view = editor.editing.view;\n\tconst inputCommand = editor.commands.get( 'input' );\n\n\t// For Android, we want to handle keystrokes on `beforeinput` to be sure that code in `DeleteObserver` already had a chance to be fired.\n\tif ( env.isAndroid ) {\n\t\tview.document.on( 'beforeinput', ( evt, evtData ) => handleUnsafeKeystroke( evtData ), { priority: 'lowest' } );\n\t} else {\n\t\tview.document.on( 'keydown', ( evt, evtData ) => handleUnsafeKeystroke( evtData ), { priority: 'lowest' } );\n\t}\n\n\tview.document.on( 'compositionstart', handleCompositionStart, { priority: 'lowest' } );\n\n\tview.document.on( 'compositionend', () => {\n\t\tlatestCompositionSelection = model.createSelection( model.document.selection );\n\t}, { priority: 'lowest' } );\n\n\t// Handles the keydown event. We need to guess whether such keystroke is going to result\n\t// in typing. If so, then before character insertion happens, any selected content needs\n\t// to be deleted. Otherwise the default browser deletion mechanism would be\n\t// triggered, resulting in:\n\t//\n\t// * Hundreds of mutations which could not be handled.\n\t// * But most importantly, loss of control over how the content is being deleted.\n\t//\n\t// The method is used in a low-priority listener, hence allowing other listeners (e.g. delete or enter features)\n\t// to handle the event.\n\t//\n\t// @param {module:engine/view/observer/keyobserver~KeyEventData} evtData\n\tfunction handleUnsafeKeystroke( evtData ) {\n\t\tconst doc = model.document;\n\t\tconst isComposing = view.document.isComposing;\n\t\tconst isSelectionUnchanged = latestCompositionSelection && latestCompositionSelection.isEqual( doc.selection );\n\n\t\t// Reset stored composition selection.\n\t\tlatestCompositionSelection = null;\n\n\t\t// By relying on the state of the input command we allow disabling the entire input easily\n\t\t// by just disabling the input command. We could’ve used here the delete command but that\n\t\t// would mean requiring the delete feature which would block loading one without the other.\n\t\t// We could also check the editor.isReadOnly property, but that wouldn't allow to block\n\t\t// the input without blocking other features.\n\t\tif ( !inputCommand.isEnabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( isNonTypingKeystroke( evtData ) || doc.selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If during composition, deletion should be prevented as it may remove composed sequence (#83).\n\t\tif ( isComposing && evtData.keyCode === 229 ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If there is a `keydown` event fired with '229' keycode it might be related\n\t\t// to recent composition. Check if selection is the same as upon ending recent composition,\n\t\t// if so do not remove selected content as it will remove composed sequence (#83).\n\t\tif ( !isComposing && evtData.keyCode === 229 && isSelectionUnchanged ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdeleteSelectionContent();\n\t}\n\n\t// Handles the `compositionstart` event. It is used only in special cases to remove the contents\n\t// of a non-collapsed selection so composition itself does not result in complex mutations.\n\t//\n\t// The special case mentioned above is a situation in which the `keydown` event is fired after\n\t// `compositionstart` event. In such cases {@link #handleKeydown} cannot clear current selection\n\t// contents (because it is too late and will break the composition) so the composition handler takes care of it.\n\tfunction handleCompositionStart() {\n\t\tconst doc = model.document;\n\t\tconst isFlatSelection = doc.selection.rangeCount === 1 ? doc.selection.getFirstRange().isFlat : true;\n\n\t\t// If on `compositionstart` there is a non-collapsed selection which start and end have different parents\n\t\t// it means the `handleKeydown()` method did not remove its contents. It happens usually because\n\t\t// of different order of events (`compositionstart` before `keydown` - in Safari). In such cases\n\t\t// we need to remove selection contents on composition start (#83).\n\t\tif ( doc.selection.isCollapsed || isFlatSelection ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdeleteSelectionContent();\n\t}\n\n\tfunction deleteSelectionContent() {\n\t\tconst buffer = inputCommand.buffer;\n\n\t\tbuffer.lock();\n\n\t\tconst batch = buffer.batch;\n\t\tinputCommand._batches.add( batch );\n\n\t\tmodel.enqueueChange( batch, () => {\n\t\t\tmodel.deleteContent( model.document.selection );\n\t\t} );\n\n\t\tbuffer.unlock();\n\t}\n}\n\nconst safeKeycodes = [\n\tgetCode( 'arrowUp' ),\n\tgetCode( 'arrowRight' ),\n\tgetCode( 'arrowDown' ),\n\tgetCode( 'arrowLeft' ),\n\t9, // Tab\n\t16, // Shift\n\t17, // Ctrl\n\t18, // Alt\n\t19, // Pause\n\t20, // CapsLock\n\t27, // Escape\n\t33, // PageUp\n\t34, // PageDown\n\t35, // Home\n\t36, // End,\n\t45, // Insert,\n\t91, // Windows,\n\t93, // Menu key,\n\t144, // NumLock\n\t145, // ScrollLock,\n\t173, // Mute/Unmute\n\t174, // Volume up\n\t175, // Volume down,\n\t176, // Next song,\n\t177, // Previous song,\n\t178, // Stop,\n\t179, // Play/Pause,\n\t255 // Display brightness (increase and decrease)\n];\n\n// Function keys.\nfor ( let code = 112; code <= 135; code++ ) {\n\tsafeKeycodes.push( code );\n}\n\n/**\n * Returns `true` if a keystroke will **not** result in \"typing\".\n *\n * For instance, keystrokes that result in typing are letters \"a-zA-Z\", numbers \"0-9\", delete, backspace, etc.\n *\n * Keystrokes that do not cause typing are, for instance, Fn keys (F5, F8, etc.), arrow keys (←, →, ↑, ↓),\n * Tab (↹), \"Windows logo key\" (⊞ Win), etc.\n *\n * Note: This implementation is very simple and will need to be refined with time.\n *\n * @param {module:engine/view/observer/keyobserver~KeyEventData} keyData\n * @returns {Boolean}\n */\nexport function isNonTypingKeystroke( keyData ) {\n\t// Keystrokes which contain Ctrl don't represent typing.\n\tif ( keyData.ctrlKey ) {\n\t\treturn true;\n\t}\n\n\treturn safeKeycodes.includes( keyData.keyCode );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* global DOMParser */\n\n/**\n * @module widget/widgettypearound\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Template from '@ckeditor/ckeditor5-ui/src/template';\nimport {\n\tisArrowKeyCode,\n\tisForwardArrowKeyCode,\n\tkeyCodes\n} from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\n\nimport {\n\tisTypeAroundWidget,\n\tgetClosestTypeAroundDomButton,\n\tgetTypeAroundButtonPosition,\n\tgetClosestWidgetViewElement,\n\tgetTypeAroundFakeCaretPosition,\n\tTYPE_AROUND_SELECTION_ATTRIBUTE\n} from './utils';\n\nimport {\n\tisNonTypingKeystroke\n} from '@ckeditor/ckeditor5-typing/src/utils/injectunsafekeystrokeshandling';\n\nimport returnIcon from '../../theme/icons/return-arrow.svg';\nimport '../../theme/widgettypearound.css';\n\nconst POSSIBLE_INSERTION_POSITIONS = [ 'before', 'after' ];\n\n// Do the SVG parsing once and then clone the result <svg> DOM element for each new button.\nconst RETURN_ARROW_ICON_ELEMENT = new DOMParser().parseFromString( returnIcon, 'image/svg+xml' ).firstChild;\n\nconst PLUGIN_DISABLED_EDITING_ROOT_CLASS = 'ck-widget__type-around_disabled';\n\n/**\n * A plugin that allows users to type around widgets where normally it is impossible to place the caret due\n * to limitations of web browsers. These \"tight spots\" occur, for instance, before (or after) a widget being\n * the first (or last) child of its parent or between two block widgets.\n *\n * This plugin extends the {@link module:widget/widget~Widget `Widget`} plugin and injects the user interface\n * with two buttons into each widget instance in the editor. Each of the buttons can be clicked by the\n * user if the widget is next to the \"tight spot\". Once clicked, a paragraph is created with the selection anchored\n * in it so that users can type (or insert content, paste, etc.) straight away.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class WidgetTypeAround extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'WidgetTypeAround';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A reference to the model widget element that has the fake caret active\n\t\t * on either side of it. It is later used to remove CSS classes associated with the fake caret\n\t\t * when the widget no longer needs it.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/element~Element|null}\n\t\t */\n\t\tthis._currentFakeCaretModelElement = null;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\t// Set a CSS class on the view editing root when the plugin is disabled so all the buttons\n\t\t// and lines visually disappear. All the interactions are disabled in individual plugin methods.\n\t\tthis.on( 'change:isEnabled', ( evt, data, isEnabled ) => {\n\t\t\teditingView.change( writer => {\n\t\t\t\tfor ( const root of editingView.document.roots ) {\n\t\t\t\t\tif ( isEnabled ) {\n\t\t\t\t\t\twriter.removeClass( PLUGIN_DISABLED_EDITING_ROOT_CLASS, root );\n\t\t\t\t\t} else {\n\t\t\t\t\t\twriter.addClass( PLUGIN_DISABLED_EDITING_ROOT_CLASS, root );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tif ( !isEnabled ) {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\n\t\tthis._enableTypeAroundUIInjection();\n\t\tthis._enableInsertingParagraphsOnButtonClick();\n\t\tthis._enableInsertingParagraphsOnEnterKeypress();\n\t\tthis._enableInsertingParagraphsOnTypingKeystroke();\n\t\tthis._enableTypeAroundFakeCaretActivationUsingKeyboardArrows();\n\t\tthis._enableDeleteIntegration();\n\t\tthis._enableInsertContentIntegration();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis._currentFakeCaretModelElement = null;\n\t}\n\n\t/**\n\t * Inserts a new paragraph next to a widget element with the selection anchored in it.\n\t *\n\t * **Note**: This method is heavily user-oriented and will both focus the editing view and scroll\n\t * the viewport to the selection in the inserted paragraph.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} widgetModelElement The model widget element next to which a paragraph is inserted.\n\t * @param {'before'|'after'} position The position where the paragraph is inserted. Either `'before'` or `'after'` the widget.\n\t */\n\t_insertParagraph( widgetModelElement, position ) {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\teditor.execute( 'insertParagraph', {\n\t\t\tposition: editor.model.createPositionAt( widgetModelElement, position )\n\t\t} );\n\n\t\teditingView.focus();\n\t\teditingView.scrollToTheSelection();\n\t}\n\n\t/**\n\t * A wrapper for the {@link module:utils/emittermixin~EmitterMixin#listenTo} method that executes the callbacks only\n\t * when the plugin {@link #isEnabled is enabled}.\n\t *\n\t * @private\n\t * @param {module:utils/emittermixin~Emitter} emitter The object that fires the event.\n\t * @param {String} event The name of the event.\n\t * @param {Function} callback The function to be called on event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n\t * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n\t * order they were added.\n\t */\n\t_listenToIfEnabled( emitter, event, callback, options ) {\n\t\tthis.listenTo( emitter, event, ( ...args ) => {\n\t\t\t// Do not respond if the plugin is disabled.\n\t\t\tif ( this.isEnabled ) {\n\t\t\t\tcallback( ...args );\n\t\t\t}\n\t\t}, options );\n\t}\n\n\t/**\n\t * Similar to {@link #_insertParagraph}, this method inserts a paragraph except that it\n\t * does not expect a position. Instead, it performs the insertion next to a selected widget\n\t * according to the `widget-type-around` model selection attribute value (fake caret position).\n\t *\n\t * Because this method requires the `widget-type-around` attribute to be set,\n\t * the insertion can only happen when the widget's fake caret is active (e.g. activated\n\t * using the keyboard).\n\t *\n\t * @private\n\t * @returns {Boolean} Returns `true` when the paragraph was inserted (the attribute was present) and `false` otherwise.\n\t */\n\t_insertParagraphAccordingToFakeCaretPosition() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( modelSelection );\n\n\t\tif ( !typeAroundFakeCaretPosition ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst selectedModelElement = modelSelection.getSelectedElement();\n\n\t\tthis._insertParagraph( selectedModelElement, typeAroundFakeCaretPosition );\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Creates a listener in the editing conversion pipeline that injects the widget type around\n\t * UI into every single widget instance created in the editor.\n\t *\n\t * The UI is delivered as a {@link module:engine/view/uielement~UIElement}\n\t * wrapper which renders DOM buttons that users can use to insert paragraphs.\n\t *\n\t * @private\n\t */\n\t_enableTypeAroundUIInjection() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst t = editor.locale.t;\n\t\tconst buttonTitles = {\n\t\t\tbefore: t( 'Insert paragraph before block' ),\n\t\t\tafter: t( 'Insert paragraph after block' )\n\t\t};\n\n\t\teditor.editing.downcastDispatcher.on( 'insert', ( evt, data, conversionApi ) => {\n\t\t\tconst viewElement = conversionApi.mapper.toViewElement( data.item );\n\n\t\t\t// Filter out non-widgets and inline widgets.\n\t\t\tif ( isTypeAroundWidget( viewElement, data.item, schema ) ) {\n\t\t\t\tinjectUIIntoWidget( conversionApi.writer, buttonTitles, viewElement );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * Brings support for the fake caret that appears when either:\n\t *\n\t * * the selection moves to a widget from a position next to it using arrow keys,\n\t * * the arrow key is pressed when the widget is already selected.\n\t *\n\t * The fake caret lets the user know that they can start typing or just press\n\t * <kbd>Enter</kbd> to insert a paragraph at the position next to a widget as suggested by the fake caret.\n\t *\n\t * The fake caret disappears when the user changes the selection or the editor\n\t * gets blurred.\n\t *\n\t * The whole idea is as follows:\n\t *\n\t * 1. A user does one of the 2 scenarios described at the beginning.\n\t * 2. The \"keydown\" listener is executed and the decision is made whether to show or hide the fake caret.\n\t * 3. If it should show up, the `widget-type-around` model selection attribute is set indicating\n\t *    on which side of the widget it should appear.\n\t * 4. The selection dispatcher reacts to the selection attribute and sets CSS classes responsible for the\n\t *    fake caret on the view widget.\n\t * 5. If the fake caret should disappear, the selection attribute is removed and the dispatcher\n\t *    does the CSS class clean-up in the view.\n\t * 6. Additionally, `change:range` and `FocusTracker#isFocused` listeners also remove the selection\n\t *    attribute (the former also removes widget CSS classes).\n\t *\n\t * @private\n\t */\n\t_enableTypeAroundFakeCaretActivationUsingKeyboardArrows() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst schema = model.schema;\n\t\tconst editingView = editor.editing.view;\n\n\t\t// This is the main listener responsible for the fake caret.\n\t\t// Note: The priority must precede the default Widget class keydown handler (\"high\") and the\n\t\t// TableKeyboard keydown handler (\"high-10\").\n\t\tthis._listenToIfEnabled( editingView.document, 'keydown', ( evt, domEventData ) => {\n\t\t\tif ( isArrowKeyCode( domEventData.keyCode ) ) {\n\t\t\t\tthis._handleArrowKeyPress( evt, domEventData );\n\t\t\t}\n\t\t}, { priority: priorities.get( 'high' ) + 10 } );\n\n\t\t// This listener makes sure the widget type around selection attribute will be gone from the model\n\t\t// selection as soon as the model range changes. This attribute only makes sense when a widget is selected\n\t\t// (and the \"fake horizontal caret\" is visible) so whenever the range changes (e.g. selection moved somewhere else),\n\t\t// let's get rid of the attribute so that the selection downcast dispatcher isn't even bothered.\n\t\tthis._listenToIfEnabled( modelSelection, 'change:range', ( evt, data ) => {\n\t\t\t// Do not reset the selection attribute when the change was indirect.\n\t\t\tif ( !data.directChange ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Get rid of the widget type around attribute of the selection on every change:range.\n\t\t\t// If the range changes, it means for sure, the user is no longer in the active (\"fake horizontal caret\") mode.\n\t\t\teditor.model.change( writer => {\n\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\t\t\t} );\n\t\t} );\n\n\t\t// Get rid of the widget type around attribute of the selection on every document change\n\t\t// that makes widget not selected any more (i.e. widget was removed).\n\t\tthis._listenToIfEnabled( model.document, 'change:data', () => {\n\t\t\tconst selectedModelElement = modelSelection.getSelectedElement();\n\n\t\t\tif ( selectedModelElement ) {\n\t\t\t\tconst selectedViewElement = editor.editing.mapper.toViewElement( selectedModelElement );\n\n\t\t\t\tif ( isTypeAroundWidget( selectedViewElement, selectedModelElement, schema ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\teditor.model.change( writer => {\n\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\t\t\t} );\n\t\t} );\n\n\t\t// React to changes of the model selection attribute made by the arrow keys listener.\n\t\t// If the block widget is selected and the attribute changes, downcast the attribute to special\n\t\t// CSS classes associated with the active (\"fake horizontal caret\") mode of the widget.\n\t\tthis._listenToIfEnabled( editor.editing.downcastDispatcher, 'selection', ( evt, data, conversionApi ) => {\n\t\t\tconst writer = conversionApi.writer;\n\n\t\t\tif ( this._currentFakeCaretModelElement ) {\n\t\t\t\tconst selectedViewElement = conversionApi.mapper.toViewElement( this._currentFakeCaretModelElement );\n\n\t\t\t\tif ( selectedViewElement ) {\n\t\t\t\t\t// Get rid of CSS classes associated with the active (\"fake horizontal caret\") mode from the view widget.\n\t\t\t\t\twriter.removeClass( POSSIBLE_INSERTION_POSITIONS.map( positionToWidgetCssClass ), selectedViewElement );\n\n\t\t\t\t\tthis._currentFakeCaretModelElement = null;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst selectedModelElement = data.selection.getSelectedElement();\n\n\t\t\tif ( !selectedModelElement ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst selectedViewElement = conversionApi.mapper.toViewElement( selectedModelElement );\n\n\t\t\tif ( !isTypeAroundWidget( selectedViewElement, selectedModelElement, schema ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( data.selection );\n\n\t\t\tif ( !typeAroundFakeCaretPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\twriter.addClass( positionToWidgetCssClass( typeAroundFakeCaretPosition ), selectedViewElement );\n\n\t\t\t// Remember the view widget that got the \"fake-caret\" CSS class. This class should be removed ASAP when the\n\t\t\t// selection changes\n\t\t\tthis._currentFakeCaretModelElement = selectedModelElement;\n\t\t} );\n\n\t\tthis._listenToIfEnabled( editor.ui.focusTracker, 'change:isFocused', ( evt, name, isFocused ) => {\n\t\t\tif ( !isFocused ) {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\n\t\tfunction positionToWidgetCssClass( position ) {\n\t\t\treturn `ck-widget_type-around_show-fake-caret_${ position }`;\n\t\t}\n\t}\n\n\t/**\n\t * A listener executed on each \"keydown\" in the view document, a part of\n\t * {@link #_enableTypeAroundFakeCaretActivationUsingKeyboardArrows}.\n\t *\n\t * It decides whether the arrow keypress should activate the fake caret or not (also whether it should\n\t * be deactivated).\n\t *\n\t * The fake caret activation is done by setting the `widget-type-around` model selection attribute\n\t * in this listener, and stopping and preventing the event that would normally be handled by the widget\n\t * plugin that is responsible for the regular keyboard navigation near/across all widgets (that\n\t * includes inline widgets, which are ignored by the widget type around plugin).\n\t *\n\t * @private\n\t */\n\t_handleArrowKeyPress( evt, domEventData ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst schema = model.schema;\n\t\tconst editingView = editor.editing.view;\n\n\t\tconst keyCode = domEventData.keyCode;\n\t\tconst isForward = isForwardArrowKeyCode( keyCode, editor.locale.contentLanguageDirection );\n\t\tconst selectedViewElement = editingView.document.selection.getSelectedElement();\n\t\tconst selectedModelElement = editor.editing.mapper.toModelElement( selectedViewElement );\n\t\tlet shouldStopAndPreventDefault;\n\n\t\t// Handle keyboard navigation when a type-around-compatible widget is currently selected.\n\t\tif ( isTypeAroundWidget( selectedViewElement, selectedModelElement, schema ) ) {\n\t\t\tshouldStopAndPreventDefault = this._handleArrowKeyPressOnSelectedWidget( isForward );\n\t\t}\n\t\t// Handle keyboard arrow navigation when the selection is next to a type-around-compatible widget\n\t\t// and the widget is about to be selected.\n\t\telse if ( modelSelection.isCollapsed ) {\n\t\t\tshouldStopAndPreventDefault = this._handleArrowKeyPressWhenSelectionNextToAWidget( isForward );\n\t\t}\n\n\t\tif ( shouldStopAndPreventDefault ) {\n\t\t\tdomEventData.preventDefault();\n\t\t\tevt.stop();\n\t\t}\n\t}\n\n\t/**\n\t * Handles the keyboard navigation on \"keydown\" when a widget is currently selected and activates or deactivates\n\t * the fake caret for that widget, depending on the current value of the `widget-type-around` model\n\t * selection attribute and the direction of the pressed arrow key.\n\t *\n\t * @private\n\t * @param {Boolean} isForward `true` when the pressed arrow key was responsible for the forward model selection movement\n\t * as in {@link module:utils/keyboard~isForwardArrowKeyCode}.\n\t * @returns {Boolean} Returns `true` when the keypress was handled and no other keydown listener of the editor should\n\t * process the event any further. Returns `false` otherwise.\n\t */\n\t_handleArrowKeyPressOnSelectedWidget( isForward ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( modelSelection );\n\n\t\treturn model.change( writer => {\n\t\t\t// If the fake caret is displayed...\n\t\t\tif ( typeAroundFakeCaretPosition ) {\n\t\t\t\tconst isLeavingWidget = typeAroundFakeCaretPosition === ( isForward ? 'after' : 'before' );\n\n\t\t\t\t// If the keyboard arrow works against the value of the selection attribute...\n\t\t\t\t// then remove the selection attribute but prevent default DOM actions\n\t\t\t\t// and do not let the Widget plugin listener move the selection. This brings\n\t\t\t\t// the widget back to the state, for instance, like if was selected using the mouse.\n\t\t\t\t//\n\t\t\t\t// **Note**: If leaving the widget when the fake caret is active, then the default\n\t\t\t\t// Widget handler will change the selection and, in turn, this will automatically discard\n\t\t\t\t// the selection attribute.\n\t\t\t\tif ( !isLeavingWidget ) {\n\t\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t\t// If the fake caret wasn't displayed, let's set it now according to the direction of the arrow\n\t\t\t// key press. This also means we cannot let the Widget plugin listener move the selection.\n\t\t\telse {\n\t\t\t\twriter.setSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE, isForward ? 'after' : 'before' );\n\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\treturn false;\n\t\t} );\n\t}\n\n\t/**\n\t * Handles the keyboard navigation on \"keydown\" when **no** widget is selected but the selection is **directly** next\n\t * to one and upon the fake caret should become active for this widget upon arrow keypress\n\t * (AKA entering/selecting the widget).\n\t *\n\t * **Note**: This code mirrors the implementation from the widget plugin but also adds the selection attribute.\n\t * Unfortunately, there is no safe way to let the widget plugin do the selection part first and then just set the\n\t * selection attribute here in the widget type around plugin. This is why this code must duplicate some from the widget plugin.\n\t *\n\t * @private\n\t * @param {Boolean} isForward `true` when the pressed arrow key was responsible for the forward model selection movement\n\t * as in {@link module:utils/keyboard~isForwardArrowKeyCode}.\n\t * @returns {Boolean} Returns `true` when the keypress was handled and no other keydown listener of the editor should\n\t * process the event any further. Returns `false` otherwise.\n\t */\n\t_handleArrowKeyPressWhenSelectionNextToAWidget( isForward ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst schema = model.schema;\n\t\tconst widgetPlugin = editor.plugins.get( 'Widget' );\n\n\t\t// This is the widget the selection is about to be set on.\n\t\tconst modelElementNextToSelection = widgetPlugin._getObjectElementNextToSelection( isForward );\n\t\tconst viewElementNextToSelection = editor.editing.mapper.toViewElement( modelElementNextToSelection );\n\n\t\tif ( isTypeAroundWidget( viewElementNextToSelection, modelElementNextToSelection, schema ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twidgetPlugin._setSelectionOverElement( modelElementNextToSelection );\n\t\t\t\twriter.setSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE, isForward ? 'before' : 'after' );\n\t\t\t} );\n\n\t\t\t// The change() block above does the same job as the Widget plugin. The event can\n\t\t\t// be safely canceled.\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Registers a `mousedown` listener for the view document which intercepts events\n\t * coming from the widget type around UI, which happens when a user clicks one of the buttons\n\t * that insert a paragraph next to a widget.\n\t *\n\t * @private\n\t */\n\t_enableInsertingParagraphsOnButtonClick() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\tthis._listenToIfEnabled( editingView.document, 'mousedown', ( evt, domEventData ) => {\n\t\t\tconst button = getClosestTypeAroundDomButton( domEventData.domTarget );\n\n\t\t\tif ( !button ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst buttonPosition = getTypeAroundButtonPosition( button );\n\t\t\tconst widgetViewElement = getClosestWidgetViewElement( button, editingView.domConverter );\n\t\t\tconst widgetModelElement = editor.editing.mapper.toModelElement( widgetViewElement );\n\n\t\t\tthis._insertParagraph( widgetModelElement, buttonPosition );\n\n\t\t\tdomEventData.preventDefault();\n\t\t\tevt.stop();\n\t\t} );\n\t}\n\n\t/**\n\t * Creates the <kbd>Enter</kbd> key listener on the view document that allows the user to insert a paragraph\n\t * near the widget when either:\n\t *\n\t * * The fake caret was first activated using the arrow keys,\n\t * * The entire widget is selected in the model.\n\t *\n\t * In the first case, the new paragraph is inserted according to the `widget-type-around` selection\n\t * attribute (see {@link #_handleArrowKeyPress}).\n\t *\n\t * In the second case, the new paragraph is inserted based on whether a soft (<kbd>Shift</kbd>+<kbd>Enter</kbd>) keystroke\n\t * was pressed or not.\n\t *\n\t * @private\n\t */\n\t_enableInsertingParagraphsOnEnterKeypress() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\tthis._listenToIfEnabled( editingView.document, 'enter', ( evt, domEventData ) => {\n\t\t\tconst selectedViewElement = editingView.document.selection.getSelectedElement();\n\t\t\tconst selectedModelElement = editor.editing.mapper.toModelElement( selectedViewElement );\n\t\t\tconst schema = editor.model.schema;\n\t\t\tlet wasHandled;\n\n\t\t\t// First check if the widget is selected and there's a type around selection attribute associated\n\t\t\t// with the fake caret that would tell where to insert a new paragraph.\n\t\t\tif ( this._insertParagraphAccordingToFakeCaretPosition() ) {\n\t\t\t\twasHandled = true;\n\t\t\t}\n\t\t\t// Then, if there is no selection attribute associated with the fake caret, check if the widget\n\t\t\t// simply is selected and create a new paragraph according to the keystroke (Shift+)Enter.\n\t\t\telse if ( isTypeAroundWidget( selectedViewElement, selectedModelElement, schema ) ) {\n\t\t\t\tthis._insertParagraph( selectedModelElement, domEventData.isSoft ? 'before' : 'after' );\n\n\t\t\t\twasHandled = true;\n\t\t\t}\n\n\t\t\tif ( wasHandled ) {\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Similar to the {@link #_enableInsertingParagraphsOnEnterKeypress}, it allows the user\n\t * to insert a paragraph next to a widget when the fake caret was activated using arrow\n\t * keys but it responds to typing keystrokes instead of <kbd>Enter</kbd>.\n\t *\n\t * \"Typing keystrokes\" are keystrokes that insert new content into the document,\n\t * for instance, letters (\"a\") or numbers (\"4\"). The \"keydown\" listener enabled by this method\n\t * will insert a new paragraph according to the `widget-type-around` model selection attribute\n\t * as the user simply starts typing, which creates the impression that the fake caret\n\t * behaves like a real one rendered by the browser (AKA your text appears where the caret was).\n\t *\n\t * **Note**: At the moment this listener creates 2 undo steps: one for the `insertParagraph` command\n\t * and another one for actual typing. It is not a disaster but this may need to be fixed\n\t * sooner or later.\n\t *\n\t * Learn more in {@link module:typing/utils/injectunsafekeystrokeshandling}.\n\t *\n\t * @private\n\t */\n\t_enableInsertingParagraphsOnTypingKeystroke() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\t\tconst keyCodesHandledSomewhereElse = [\n\t\t\tkeyCodes.enter,\n\t\t\tkeyCodes.delete,\n\t\t\tkeyCodes.backspace\n\t\t];\n\n\t\t// Note: The priority must precede the default Widget class keydown handler (\"high\") and the\n\t\t// TableKeyboard keydown handler (\"high + 1\").\n\t\tthis._listenToIfEnabled( editingView.document, 'keydown', ( evt, domEventData ) => {\n\t\t\t// Don't handle enter/backspace/delete here. They are handled in dedicated listeners.\n\t\t\tif ( !keyCodesHandledSomewhereElse.includes( domEventData.keyCode ) && !isNonTypingKeystroke( domEventData ) ) {\n\t\t\t\tthis._insertParagraphAccordingToFakeCaretPosition();\n\t\t\t}\n\t\t}, { priority: priorities.get( 'high' ) + 1 } );\n\t}\n\n\t/**\n\t * It creates a \"delete\" event listener on the view document to handle cases when the <kbd>Delete</kbd> or <kbd>Backspace</kbd>\n\t * is pressed and the fake caret is currently active.\n\t *\n\t * The fake caret should create an illusion of a real browser caret so that when it appears before or after\n\t * a widget, pressing <kbd>Delete</kbd> or <kbd>Backspace</kbd> should remove a widget or delete the content\n\t * before or after a widget (depending on the content surrounding the widget).\n\t *\n\t * @private\n\t */\n\t_enableDeleteIntegration() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\t\tconst model = editor.model;\n\t\tconst schema = model.schema;\n\n\t\t// Note: The priority must precede the default Widget class delete handler.\n\t\tthis._listenToIfEnabled( editingView.document, 'delete', ( evt, domEventData ) => {\n\t\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( model.document.selection );\n\n\t\t\t// This listener handles only these cases when the fake caret is active.\n\t\t\tif ( !typeAroundFakeCaretPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst direction = domEventData.direction;\n\t\t\tconst selectedModelWidget = model.document.selection.getSelectedElement();\n\n\t\t\tconst isFakeCaretBefore = typeAroundFakeCaretPosition === 'before';\n\t\t\tconst isForwardDelete = direction == 'forward';\n\t\t\tconst shouldDeleteEntireWidget = isFakeCaretBefore === isForwardDelete;\n\n\t\t\tif ( shouldDeleteEntireWidget ) {\n\t\t\t\teditor.execute( 'delete', {\n\t\t\t\t\tselection: model.createSelection( selectedModelWidget, 'on' )\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\tconst range = schema.getNearestSelectionRange(\n\t\t\t\t\tmodel.createPositionAt( selectedModelWidget, typeAroundFakeCaretPosition ),\n\t\t\t\t\tdirection\n\t\t\t\t);\n\n\t\t\t\t// If there is somewhere to move selection to, then there will be something to delete.\n\t\t\t\tif ( range ) {\n\t\t\t\t\t// If the range is NOT collapsed, then we know that the range contains an object (see getNearestSelectionRange() docs).\n\t\t\t\t\tif ( !range.isCollapsed ) {\n\t\t\t\t\t\tmodel.change( writer => {\n\t\t\t\t\t\t\twriter.setSelection( range );\n\t\t\t\t\t\t\teditor.execute( isForwardDelete ? 'forwardDelete' : 'delete' );\n\t\t\t\t\t\t} );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tconst probe = model.createSelection( range.start );\n\t\t\t\t\t\tmodel.modifySelection( probe, { direction } );\n\n\t\t\t\t\t\t// If the range is collapsed, let's see if a non-collapsed range exists that can could be deleted.\n\t\t\t\t\t\t// If such range exists, use the editor command because it it safe for collaboration (it merges where it can).\n\t\t\t\t\t\tif ( !probe.focus.isEqual( range.start ) ) {\n\t\t\t\t\t\t\tmodel.change( writer => {\n\t\t\t\t\t\t\t\twriter.setSelection( range );\n\t\t\t\t\t\t\t\teditor.execute( isForwardDelete ? 'forwardDelete' : 'delete' );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\t\t\t\t\t\t// If there is no non-collapsed range to be deleted then we are sure that there is an empty element\n\t\t\t\t\t\t// next to a widget that should be removed. \"delete\" and \"forwardDelete\" commands cannot get rid of it\n\t\t\t\t\t\t// so calling Model#deleteContent here manually.\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tconst deepestEmptyRangeAncestor = getDeepestEmptyElementAncestor( schema, range.start.parent );\n\n\t\t\t\t\t\t\tmodel.deleteContent( model.createSelection( deepestEmptyRangeAncestor, 'on' ), {\n\t\t\t\t\t\t\t\tdoNotAutoparagraph: true\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If some content was deleted, don't let the handler from the Widget plugin kick in.\n\t\t\t// If nothing was deleted, then the default handler will have nothing to do anyway.\n\t\t\tdomEventData.preventDefault();\n\t\t\tevt.stop();\n\t\t}, { priority: priorities.get( 'high' ) + 1 } );\n\t}\n\n\t/**\n\t * Attaches the {@link module:engine/model/model~Model#event:insertContent} event listener that, for instance, allows the user to paste\n\t * content near a widget when the fake caret is first activated using the arrow keys.\n\t *\n\t * The content is inserted according to the `widget-type-around` selection attribute (see {@link #_handleArrowKeyPress}).\n\t *\n\t * @private\n\t */\n\t_enableInsertContentIntegration() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst documentSelection = model.document.selection;\n\n\t\tthis._listenToIfEnabled( editor.model, 'insertContent', ( evt, [ content, selectable ] ) => {\n\t\t\tif ( selectable && !selectable.is( 'documentSelection' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( documentSelection );\n\n\t\t\tif ( !typeAroundFakeCaretPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tevt.stop();\n\n\t\t\treturn model.change( writer => {\n\t\t\t\tconst selectedElement = documentSelection.getSelectedElement();\n\t\t\t\tconst position = model.createPositionAt( selectedElement, typeAroundFakeCaretPosition );\n\t\t\t\tconst selection = writer.createSelection( position );\n\n\t\t\t\tconst result = model.insertContent( content, selection );\n\n\t\t\t\twriter.setSelection( selection );\n\n\t\t\t\treturn result;\n\t\t\t} );\n\t\t}, { priority: 'high' } );\n\t}\n}\n\n// Injects the type around UI into a view widget instance.\n//\n// @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n// @param {Object.<String,String>} buttonTitles\n// @param {module:engine/view/element~Element} widgetViewElement\nfunction injectUIIntoWidget( viewWriter, buttonTitles, widgetViewElement ) {\n\tconst typeAroundWrapper = viewWriter.createUIElement( 'div', {\n\t\tclass: 'ck ck-reset_all ck-widget__type-around'\n\t}, function( domDocument ) {\n\t\tconst wrapperDomElement = this.toDomElement( domDocument );\n\n\t\tinjectButtons( wrapperDomElement, buttonTitles );\n\t\tinjectFakeCaret( wrapperDomElement );\n\n\t\treturn wrapperDomElement;\n\t} );\n\n\t// Inject the type around wrapper into the widget's wrapper.\n\tviewWriter.insert( viewWriter.createPositionAt( widgetViewElement, 'end' ), typeAroundWrapper );\n}\n\n// FYI: Not using the IconView class because each instance would need to be destroyed to avoid memory leaks\n// and it's pretty hard to figure out when a view (widget) is gone for good so it's cheaper to use raw\n// <svg> here.\n//\n// @param {HTMLElement} wrapperDomElement\n// @param {Object.<String,String>} buttonTitles\nfunction injectButtons( wrapperDomElement, buttonTitles ) {\n\tfor ( const position of POSSIBLE_INSERTION_POSITIONS ) {\n\t\tconst buttonTemplate = new Template( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-widget__type-around__button',\n\t\t\t\t\t`ck-widget__type-around__button_${ position }`\n\t\t\t\t],\n\t\t\t\ttitle: buttonTitles[ position ]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\twrapperDomElement.ownerDocument.importNode( RETURN_ARROW_ICON_ELEMENT, true )\n\t\t\t]\n\t\t} );\n\n\t\twrapperDomElement.appendChild( buttonTemplate.render() );\n\t}\n}\n\n// @param {HTMLElement} wrapperDomElement\nfunction injectFakeCaret( wrapperDomElement ) {\n\tconst caretTemplate = new Template( {\n\t\ttag: 'div',\n\t\tattributes: {\n\t\t\tclass: [\n\t\t\t\t'ck',\n\t\t\t\t'ck-widget__type-around__fake-caret'\n\t\t\t]\n\t\t}\n\t} );\n\n\twrapperDomElement.appendChild( caretTemplate.render() );\n}\n\n// Returns the ancestor of an element closest to the root which is empty. For instance,\n// for `<baz>`:\n//\n//\t\t<foo>abc<bar><baz></baz></bar></foo>\n//\n// it returns `<bar>`.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/model/element~Element} element\n// @returns {module:engine/model/element~Element|null}\nfunction getDeepestEmptyElementAncestor( schema, element ) {\n\tlet deepestEmptyAncestor = element;\n\n\tfor ( const ancestor of element.getAncestors( { parentFirst: true } ) ) {\n\t\tif ( ancestor.childCount > 1 || schema.isLimit( ancestor ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\tdeepestEmptyAncestor = ancestor;\n\t}\n\n\treturn deepestEmptyAncestor;\n}\n","export default \"<svg viewBox=\\\"0 0 10 8\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M9.055.263v3.972h-6.77M1 4.216l2-2.038m-2 2l2 2.038\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\n\n/**\n * @module widget/verticalnavigationhandler\n */\n\n/**\n * Returns 'keydown' handler for up/down arrow keys that modifies the caret movement if it's in a text line next to an object.\n *\n * @param {module:engine/controller/editingcontroller~EditingController} editing The editing controller.\n * @returns {Function}\n */\nexport default function verticalNavigationHandler( editing ) {\n\tconst model = editing.model;\n\n\treturn ( evt, data ) => {\n\t\tconst arrowUpPressed = data.keyCode == keyCodes.arrowup;\n\t\tconst arrowDownPressed = data.keyCode == keyCodes.arrowdown;\n\t\tconst expandSelection = data.shiftKey;\n\t\tconst selection = model.document.selection;\n\n\t\tif ( !arrowUpPressed && !arrowDownPressed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst isForward = arrowDownPressed;\n\n\t\t// Navigation is in the opposite direction than the selection direction so this is shrinking of the selection.\n\t\t// Selection for sure will not approach any object.\n\t\tif ( expandSelection && selectionWillShrink( selection, isForward ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Find a range between selection and closest limit element.\n\t\tconst range = findTextRangeFromSelection( editing, selection, isForward );\n\n\t\tif ( !range || range.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If the range is a single line (there is no word wrapping) then move the selection to the position closest to the limit element.\n\t\t//\n\t\t// We can't move the selection directly to the isObject element (eg. table cell) because of dual position at the end/beginning\n\t\t// of wrapped line (it's at the same time at the end of one line and at the start of the next line).\n\t\tif ( isSingleLineRange( editing, range, isForward ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\tconst newPosition = isForward ? range.end : range.start;\n\n\t\t\t\tif ( expandSelection ) {\n\t\t\t\t\tconst newSelection = model.createSelection( selection.anchor );\n\t\t\t\t\tnewSelection.setFocus( newPosition );\n\n\t\t\t\t\twriter.setSelection( newSelection );\n\t\t\t\t} else {\n\t\t\t\t\twriter.setSelection( newPosition );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tevt.stop();\n\t\t\tdata.preventDefault();\n\t\t\tdata.stopPropagation();\n\t\t}\n\t};\n}\n\n// Finds the range between selection and closest limit element (in the direction of navigation).\n// The position next to limit element is adjusted to the closest allowed `$text` position.\n//\n// Returns `null` if, according to the schema, the resulting range cannot contain a `$text` element.\n//\n// @param {module:engine/controller/editingcontroller~EditingController} editing The editing controller.\n// @param {module:engine/model/selection~Selection} selection The current selection.\n// @param {Boolean} isForward The expected navigation direction.\n// @returns {module:engine/model/range~Range|null}\n//\nfunction findTextRangeFromSelection( editing, selection, isForward ) {\n\tconst model = editing.model;\n\n\tif ( isForward ) {\n\t\tconst startPosition = selection.isCollapsed ? selection.focus : selection.getLastPosition();\n\t\tconst endPosition = getNearestNonInlineLimit( model, startPosition, 'forward' );\n\n\t\t// There is no limit element, browser should handle this.\n\t\tif ( !endPosition ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst range = model.createRange( startPosition, endPosition );\n\t\tconst lastRangePosition = getNearestTextPosition( model.schema, range, 'backward' );\n\n\t\tif ( lastRangePosition && startPosition.isBefore( lastRangePosition ) ) {\n\t\t\treturn model.createRange( startPosition, lastRangePosition );\n\t\t}\n\n\t\treturn null;\n\t} else {\n\t\tconst endPosition = selection.isCollapsed ? selection.focus : selection.getFirstPosition();\n\t\tconst startPosition = getNearestNonInlineLimit( model, endPosition, 'backward' );\n\n\t\t// There is no limit element, browser should handle this.\n\t\tif ( !startPosition ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst range = model.createRange( startPosition, endPosition );\n\t\tconst firstRangePosition = getNearestTextPosition( model.schema, range, 'forward' );\n\n\t\tif ( firstRangePosition && endPosition.isAfter( firstRangePosition ) ) {\n\t\t\treturn model.createRange( firstRangePosition, endPosition );\n\t\t}\n\n\t\treturn null;\n\t}\n}\n\n// Finds the limit element position that is closest to startPosition.\n//\n// @param {module:engine/model/model~Model} model\n// @param {<module:engine/model/position~Position>} startPosition\n// @param {'forward'|'backward'} direction Search direction.\n// @returns {<module:engine/model/position~Position>|null}\n//\nfunction getNearestNonInlineLimit( model, startPosition, direction ) {\n\tconst schema = model.schema;\n\tconst range = model.createRangeIn( startPosition.root );\n\n\tconst walkerValueType = direction == 'forward' ? 'elementStart' : 'elementEnd';\n\n\tfor ( const { previousPosition, item, type } of range.getWalker( { startPosition, direction } ) ) {\n\t\tif ( schema.isLimit( item ) && !schema.isInline( item ) ) {\n\t\t\treturn previousPosition;\n\t\t}\n\n\t\t// Stop looking for isLimit element if the next element is a block element (it is for sure not single line).\n\t\tif ( type == walkerValueType && schema.isBlock( item ) ) {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n// Basing on the provided range, finds the first or last (depending on `direction`) position inside the range\n// that can contain `$text` (according to schema).\n//\n// @param {module:engine/model/schema~Schema} schema The schema.\n// @param {module:engine/model/range~Range} range The range to find the position in.\n// @param {'forward'|'backward'} direction Search direction.\n// @returns {module:engine/model/position~Position} The nearest selection range.\n//\nfunction getNearestTextPosition( schema, range, direction ) {\n\tconst position = direction == 'backward' ? range.end : range.start;\n\n\tif ( schema.checkChild( position, '$text' ) ) {\n\t\treturn position;\n\t}\n\n\tfor ( const { nextPosition } of range.getWalker( { direction } ) ) {\n\t\tif ( schema.checkChild( nextPosition, '$text' ) ) {\n\t\t\treturn nextPosition;\n\t\t}\n\t}\n}\n\n// Checks if the DOM range corresponding to the provided model range renders as a single line by analyzing DOMRects\n// (verifying if they visually wrap content to the next line).\n//\n// @param {module:engine/controller/editingcontroller~EditingController} editing The editing controller.\n// @param {module:engine/model/range~Range} modelRange The current table cell content range.\n// @param {Boolean} isForward The expected navigation direction.\n// @returns {Boolean}\n//\nfunction isSingleLineRange( editing, modelRange, isForward ) {\n\tconst model = editing.model;\n\tconst domConverter = editing.view.domConverter;\n\n\t// Wrapped lines contain exactly the same position at the end of current line\n\t// and at the beginning of next line. That position's client rect is at the end\n\t// of current line. In case of caret at first position of the last line that 'dual'\n\t// position would be detected as it's not the last line.\n\tif ( isForward ) {\n\t\tconst probe = model.createSelection( modelRange.start );\n\n\t\tmodel.modifySelection( probe );\n\n\t\t// If the new position is at the end of the container then we can't use this position\n\t\t// because it would provide incorrect result for eg caption of image and selection\n\t\t// just before end of it. Also in this case there is no \"dual\" position.\n\t\tif ( !probe.focus.isAtEnd && !modelRange.start.isEqual( probe.focus ) ) {\n\t\t\tmodelRange = model.createRange( probe.focus, modelRange.end );\n\t\t}\n\t}\n\n\tconst viewRange = editing.mapper.toViewRange( modelRange );\n\tconst domRange = domConverter.viewRangeToDom( viewRange );\n\tconst rects = Rect.getDomRangeRects( domRange );\n\n\tlet boundaryVerticalPosition;\n\n\tfor ( const rect of rects ) {\n\t\tif ( boundaryVerticalPosition === undefined ) {\n\t\t\tboundaryVerticalPosition = Math.round( rect.bottom );\n\t\t\tcontinue;\n\t\t}\n\n\t\t// Let's check if this rect is in new line.\n\t\tif ( Math.round( rect.top ) >= boundaryVerticalPosition ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tboundaryVerticalPosition = Math.max( boundaryVerticalPosition, Math.round( rect.bottom ) );\n\t}\n\n\treturn true;\n}\n\nfunction selectionWillShrink( selection, isForward ) {\n\treturn !selection.isCollapsed && selection.isBackward == isForward;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widget\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport MouseObserver from '@ckeditor/ckeditor5-engine/src/view/observer/mouseobserver';\nimport WidgetTypeAround from './widgettypearound/widgettypearound';\nimport { getLabel, isWidget, WIDGET_SELECTED_CLASS_NAME } from './utils';\nimport {\n\tisArrowKeyCode,\n\tisForwardArrowKeyCode\n} from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\nimport '../theme/widget.css';\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\nimport verticalNavigationHandler from './verticalnavigation';\n\n/**\n * The widget plugin. It enables base support for widgets.\n *\n * See {@glink api/widget package page} for more details and documentation.\n *\n * This plugin enables multiple behaviors required by widgets:\n *\n * * The model to view selection converter for the editing pipeline (it handles widget custom selection rendering).\n * If a converted selection wraps around a widget element, that selection is marked as\n * {@link module:engine/view/selection~Selection#isFake fake}. Additionally, the `ck-widget_selected` CSS class\n * is added to indicate that widget has been selected.\n * * The mouse and keyboard events handling on and around widget elements.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Widget extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Widget';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ WidgetTypeAround ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst view = this.editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t/**\n\t\t * Holds previously selected widgets.\n\t\t *\n\t\t * @private\n\t\t * @type {Set.<module:engine/view/element~Element>}\n\t\t */\n\t\tthis._previouslySelected = new Set();\n\n\t\t// Model to view selection converter.\n\t\t// Converts selection placed over widget element to fake selection\n\t\tthis.editor.editing.downcastDispatcher.on( 'selection', ( evt, data, conversionApi ) => {\n\t\t\t// Remove selected class from previously selected widgets.\n\t\t\tthis._clearPreviouslySelectedWidgets( conversionApi.writer );\n\n\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\tconst viewSelection = viewWriter.document.selection;\n\t\t\tconst selectedElement = viewSelection.getSelectedElement();\n\t\t\tlet lastMarked = null;\n\n\t\t\tfor ( const range of viewSelection.getRanges() ) {\n\t\t\t\tfor ( const value of range ) {\n\t\t\t\t\tconst node = value.item;\n\n\t\t\t\t\t// Do not mark nested widgets in selected one. See: #57.\n\t\t\t\t\tif ( isWidget( node ) && !isChild( node, lastMarked ) ) {\n\t\t\t\t\t\tviewWriter.addClass( WIDGET_SELECTED_CLASS_NAME, node );\n\n\t\t\t\t\t\tthis._previouslySelected.add( node );\n\t\t\t\t\t\tlastMarked = node;\n\n\t\t\t\t\t\t// Check if widget is a single element selected.\n\t\t\t\t\t\tif ( node == selectedElement ) {\n\t\t\t\t\t\t\tviewWriter.setSelection( viewSelection.getRanges(), { fake: true, label: getLabel( selectedElement ) } );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\n\t\t// If mouse down is pressed on widget - create selection over whole widget.\n\t\tview.addObserver( MouseObserver );\n\t\tthis.listenTo( viewDocument, 'mousedown', ( ...args ) => this._onMousedown( ...args ) );\n\n\t\t// There are two keydown listeners working on different priorities. This allows other\n\t\t// features such as WidgetTypeAround or TableKeyboard to attach their listeners in between\n\t\t// and customize the behavior even further in different content/selection scenarios.\n\t\t//\n\t\t// * The first listener handles changing the selection on arrow key press\n\t\t// if the widget is selected or if the selection is next to a widget and the widget\n\t\t// should become selected upon the arrow key press.\n\t\t//\n\t\t// * The second (late) listener makes sure the default browser action on arrow key press is\n\t\t// prevented when a widget is selected. This prevents the selection from being moved\n\t\t// from a fake selection container.\n\t\tthis.listenTo( viewDocument, 'keydown', ( ...args ) => {\n\t\t\tthis._handleSelectionChangeOnArrowKeyPress( ...args );\n\t\t}, { priority: 'high' } );\n\n\t\tthis.listenTo( viewDocument, 'keydown', ( ...args ) => {\n\t\t\tthis._preventDefaultOnArrowKeyPress( ...args );\n\t\t}, { priority: priorities.get( 'high' ) - 20 } );\n\n\t\tthis.listenTo( viewDocument, 'keydown', verticalNavigationHandler( this.editor.editing ) );\n\n\t\t// Handle custom delete behaviour.\n\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\tif ( this._handleDelete( data.direction == 'forward' ) ) {\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:mousedown mousedown} events on widget elements.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} eventInfo\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t */\n\t_onMousedown( eventInfo, domEventData ) {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tlet element = domEventData.target;\n\n\t\t// Do nothing for single or double click inside nested editable.\n\t\tif ( isInsideNestedEditable( element ) ) {\n\t\t\t// But at least triple click inside nested editable causes broken selection in Safari.\n\t\t\t// For such event, we select the entire nested editable element.\n\t\t\t// See: https://github.com/ckeditor/ckeditor5/issues/1463.\n\t\t\tif ( ( env.isSafari || env.isGecko ) && domEventData.domEvent.detail >= 3 ) {\n\t\t\t\tconst mapper = editor.editing.mapper;\n\t\t\t\tconst viewElement = element.is( 'attributeElement' ) ?\n\t\t\t\t\telement.findAncestor( element => !element.is( 'attributeElement' ) ) : element;\n\t\t\t\tconst modelElement = mapper.toModelElement( viewElement );\n\n\t\t\t\tdomEventData.preventDefault();\n\n\t\t\t\tthis.editor.model.change( writer => {\n\t\t\t\t\twriter.setSelection( modelElement, 'in' );\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\t// If target is not a widget element - check if one of the ancestors is.\n\t\tif ( !isWidget( element ) ) {\n\t\t\telement = element.findAncestor( isWidget );\n\n\t\t\tif ( !element ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\tdomEventData.preventDefault();\n\n\t\t// Focus editor if is not focused already.\n\t\tif ( !viewDocument.isFocused ) {\n\t\t\tview.focus();\n\t\t}\n\n\t\t// Create model selection over widget.\n\t\tconst modelElement = editor.editing.mapper.toModelElement( element );\n\n\t\tthis._setSelectionOverElement( modelElement );\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:keydown keydown} events and changes\n\t * the model selection when:\n\t *\n\t * * arrow key is pressed when the widget is selected,\n\t * * the selection is next to a widget and the widget should become selected upon the arrow key press.\n\t *\n\t * See {@link #_preventDefaultOnArrowKeyPress}.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} eventInfo\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t */\n\t_handleSelectionChangeOnArrowKeyPress( eventInfo, domEventData ) {\n\t\tconst keyCode = domEventData.keyCode;\n\n\t\t// Checks if the keys were handled and then prevents the default event behaviour and stops\n\t\t// the propagation.\n\t\tif ( !isArrowKeyCode( keyCode ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst objectElement = modelSelection.getSelectedElement();\n\t\tconst isForward = isForwardArrowKeyCode( keyCode, this.editor.locale.contentLanguageDirection );\n\n\t\t// If object element is selected.\n\t\tif ( objectElement && schema.isObject( objectElement ) ) {\n\t\t\tconst position = isForward ? modelSelection.getLastPosition() : modelSelection.getFirstPosition();\n\t\t\tconst newRange = schema.getNearestSelectionRange( position, isForward ? 'forward' : 'backward' );\n\n\t\t\tif ( newRange ) {\n\t\t\t\tmodel.change( writer => {\n\t\t\t\t\twriter.setSelection( newRange );\n\t\t\t\t} );\n\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t\teventInfo.stop();\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\t// If selection is next to object element.\n\t\t// Return if not collapsed.\n\t\tif ( !modelSelection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst objectElementNextToSelection = this._getObjectElementNextToSelection( isForward );\n\n\t\tif ( objectElementNextToSelection && schema.isObject( objectElementNextToSelection ) ) {\n\t\t\tthis._setSelectionOverElement( objectElementNextToSelection );\n\n\t\t\tdomEventData.preventDefault();\n\t\t\teventInfo.stop();\n\t\t}\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:keydown keydown} events and prevents\n\t * the default browser behavior to make sure the fake selection is not being moved from a fake selection\n\t * container.\n\t *\n\t * See {@link #_handleSelectionChangeOnArrowKeyPress}.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} eventInfo\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t */\n\t_preventDefaultOnArrowKeyPress( eventInfo, domEventData ) {\n\t\tconst keyCode = domEventData.keyCode;\n\n\t\t// Checks if the keys were handled and then prevents the default event behaviour and stops\n\t\t// the propagation.\n\t\tif ( !isArrowKeyCode( keyCode ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst objectElement = model.document.selection.getSelectedElement();\n\n\t\t// If object element is selected.\n\t\tif ( objectElement && schema.isObject( objectElement ) ) {\n\t\t\tdomEventData.preventDefault();\n\t\t\teventInfo.stop();\n\t\t}\n\t}\n\n\t/**\n\t * Handles delete keys: backspace and delete.\n\t *\n\t * @private\n\t * @param {Boolean} isForward Set to true if delete was performed in forward direction.\n\t * @returns {Boolean|undefined} Returns `true` if keys were handled correctly.\n\t */\n\t_handleDelete( isForward ) {\n\t\t// Do nothing when the read only mode is enabled.\n\t\tif ( this.editor.isReadOnly ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelDocument = this.editor.model.document;\n\t\tconst modelSelection = modelDocument.selection;\n\n\t\t// Do nothing on non-collapsed selection.\n\t\tif ( !modelSelection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst objectElement = this._getObjectElementNextToSelection( isForward );\n\n\t\tif ( objectElement ) {\n\t\t\tthis.editor.model.change( writer => {\n\t\t\t\tlet previousNode = modelSelection.anchor.parent;\n\n\t\t\t\t// Remove previous element if empty.\n\t\t\t\twhile ( previousNode.isEmpty ) {\n\t\t\t\t\tconst nodeToRemove = previousNode;\n\t\t\t\t\tpreviousNode = nodeToRemove.parent;\n\n\t\t\t\t\twriter.remove( nodeToRemove );\n\t\t\t\t}\n\n\t\t\t\tthis._setSelectionOverElement( objectElement );\n\t\t\t} );\n\n\t\t\treturn true;\n\t\t}\n\t}\n\n\t/**\n\t * Sets {@link module:engine/model/selection~Selection document's selection} over given element.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} element\n\t */\n\t_setSelectionOverElement( element ) {\n\t\tthis.editor.model.change( writer => {\n\t\t\twriter.setSelection( writer.createRangeOn( element ) );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks if {@link module:engine/model/element~Element element} placed next to the current\n\t * {@link module:engine/model/selection~Selection model selection} exists and is marked in\n\t * {@link module:engine/model/schema~Schema schema} as `object`.\n\t *\n\t * @protected\n\t * @param {Boolean} forward Direction of checking.\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\t_getObjectElementNextToSelection( forward ) {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst modelSelection = model.document.selection;\n\n\t\t// Clone current selection to use it as a probe. We must leave default selection as it is so it can return\n\t\t// to its current state after undo.\n\t\tconst probe = model.createSelection( modelSelection );\n\t\tmodel.modifySelection( probe, { direction: forward ? 'forward' : 'backward' } );\n\t\tconst objectElement = forward ? probe.focus.nodeBefore : probe.focus.nodeAfter;\n\n\t\tif ( !!objectElement && schema.isObject( objectElement ) ) {\n\t\t\treturn objectElement;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Removes CSS class from previously selected widgets.\n\t *\n\t * @private\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n\t */\n\t_clearPreviouslySelectedWidgets( writer ) {\n\t\tfor ( const widget of this._previouslySelected ) {\n\t\t\twriter.removeClass( WIDGET_SELECTED_CLASS_NAME, widget );\n\t\t}\n\n\t\tthis._previouslySelected.clear();\n\t}\n}\n\n// Returns `true` when element is a nested editable or is placed inside one.\n//\n// @param {module:engine/view/element~Element}\n// @returns {Boolean}\nfunction isInsideNestedEditable( element ) {\n\twhile ( element ) {\n\t\tif ( element.is( 'editableElement' ) && !element.is( 'rootElement' ) ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Click on nested widget should select it.\n\t\tif ( isWidget( element ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\telement = element.parent;\n\t}\n\n\treturn false;\n}\n\n// Checks whether the specified `element` is a child of the `parent` element.\n//\n// @param {module:engine/view/element~Element} element An element to check.\n// @param {module:engine/view/element~Element|null} parent A parent for the element.\n// @returns {Boolean}\nfunction isChild( element, parent ) {\n\tif ( !parent ) {\n\t\treturn false;\n\t}\n\n\treturn Array.from( element.getAncestors() ).includes( parent );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/panel/balloon/contextualballoon\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport BalloonPanelView from './balloonpanelview';\nimport View from '../../view';\nimport ButtonView from '../../button/buttonview';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport toUnit from '@ckeditor/ckeditor5-utils/src/dom/tounit';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\n\nimport prevIcon from '../../../theme/icons/previous-arrow.svg';\nimport nextIcon from '../../../theme/icons/next-arrow.svg';\n\nimport '../../../theme/components/panel/balloonrotator.css';\nimport '../../../theme/components/panel/fakepanel.css';\n\nconst toPx = toUnit( 'px' );\n\n/**\n * Provides the common contextual balloon for the editor.\n *\n * The role of this plugin is to unify the contextual balloons logic, simplify views management and help\n * avoid the unnecessary complexity of handling multiple {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView}\n * instances in the editor.\n *\n * This plugin allows for creating single or multiple panel stacks.\n *\n * Each stack may have multiple views, with the one on the top being visible. When the visible view is removed from the stack,\n * the previous view becomes visible.\n *\n * It might be useful to implement nested navigation in a balloon. For instance, a toolbar view may contain a link button.\n * When you click it, a link view (which lets you set the URL) is created and put on top of the toolbar view, so the link panel\n * is displayed. When you finish editing the link and close (remove) the link view, the toolbar view is visible again.\n *\n * However, there are cases when there are multiple independent balloons to be displayed, for instance, if the selection\n * is inside two inline comments at the same time. For such cases, you can create two independent panel stacks.\n * The contextual balloon plugin will create a navigation bar to let the users switch between these panel stacks using the \"Next\"\n * and \"Previous\" buttons.\n *\n * If there are no views in the current stack, the balloon panel will try to switch to the next stack. If there are no\n * panels in any stack, the balloon panel will be hidden.\n *\n * **Note**: To force the balloon panel to show only one view, even if there are other stacks, use the `singleViewMode=true` option\n * when {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon#add adding} a view to a panel.\n *\n * From the implementation point of view, the contextual ballon plugin is reusing a single\n * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView} instance to display multiple contextual balloon\n * panels in the editor. It also creates a special {@link module:ui/panel/balloon/contextualballoon~RotatorView rotator view},\n * used to manage multiple panel stacks. Rotator view is a child of the balloon panel view and the parent of the specific\n * view you want to display. If there is more than one panel stack to be displayed, the rotator view will add a\n * navigation bar. If there is only one stack, the rotator view is transparent (it does not add any UI elements).\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ContextualBalloon extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ContextualBalloon';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The {@link module:utils/dom/position~Options#limiter position limiter}\n\t\t * for the {@link #view balloon}, used when no `limiter` has been passed into {@link #add}\n\t\t * or {@link #updatePosition}.\n\t\t *\n\t\t * By default, a function that obtains the farthest DOM\n\t\t * {@link module:engine/view/rooteditableelement~RootEditableElement}\n\t\t * of the {@link module:engine/view/document~Document#selection}.\n\t\t *\n\t\t * @member {module:utils/dom/position~Options#limiter} #positionLimiter\n\t\t */\n\t\tthis.positionLimiter = () => {\n\t\t\tconst view = this.editor.editing.view;\n\t\t\tconst viewDocument = view.document;\n\t\t\tconst editableElement = viewDocument.selection.editableElement;\n\n\t\t\tif ( editableElement ) {\n\t\t\t\treturn view.domConverter.mapViewToDom( editableElement.root );\n\t\t\t}\n\n\t\t\treturn null;\n\t\t};\n\n\t\t/**\n\t\t * The currently visible view or `null` when there are no views in any stack.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {module:ui/view~View|null} #visibleView\n\t\t */\n\t\tthis.set( 'visibleView', null );\n\n\t\t/**\n\t\t * The common balloon panel view.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/panel/balloon/balloonpanelview~BalloonPanelView} #view\n\t\t */\n\t\tthis.view = new BalloonPanelView( editor.locale );\n\t\teditor.ui.view.body.add( this.view );\n\t\teditor.ui.focusTracker.add( this.view.element );\n\n\t\t/**\n\t\t * The map of views and their stacks.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<module:ui/view~View,Set>}\n\t\t */\n\t\tthis._viewToStack = new Map();\n\n\t\t/**\n\t\t * The map of IDs and stacks.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<String,Set>}\n\t\t */\n\t\tthis._idToStack = new Map();\n\n\t\t/**\n\t\t * A total number of all stacks in the balloon.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #_numberOfStacks\n\t\t */\n\t\tthis.set( '_numberOfStacks', 0 );\n\n\t\t/**\n\t\t * A flag that controls the single view mode.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #_singleViewMode\n\t\t */\n\t\tthis.set( '_singleViewMode', false );\n\n\t\t/**\n\t\t * Rotator view embedded in the contextual balloon.\n\t\t * Displays the currently visible view in the balloon and provides navigation for switching stacks.\n\t\t *\n\t\t * @private\n\t\t * @type {module:ui/panel/balloon/contextualballoon~RotatorView}\n\t\t */\n\t\tthis._rotatorView = this._createRotatorView();\n\n\t\t/**\n\t\t * Displays fake panels under the balloon panel view when multiple stacks are added to the balloon.\n\t\t *\n\t\t * @private\n\t\t * @type {module:ui/view~View}\n\t\t */\n\t\tthis._fakePanelsView = this._createFakePanelsView();\n\t}\n\n\t/**\n\t * Returns `true` when the given view is in one of the stacks. Otherwise returns `false`.\n\t *\n\t * @param {module:ui/view~View} view\n\t * @returns {Boolean}\n\t */\n\thasView( view ) {\n\t\treturn Array.from( this._viewToStack.keys() ).includes( view );\n\t}\n\n\t/**\n\t * Adds a new view to the stack and makes it visible if the current stack is visible\n\t * or it is the first view in the balloon.\n\t *\n\t * @param {Object} data The configuration of the view.\n\t * @param {String} [data.stackId='main'] The ID of the stack that the view is added to.\n\t * @param {module:ui/view~View} [data.view] The content of the balloon.\n\t * @param {module:utils/dom/position~Options} [data.position] Positioning options.\n\t * @param {String} [data.balloonClassName] An additional CSS class added to the {@link #view balloon} when visible.\n\t * @param {Boolean} [data.withArrow=true] Whether the {@link #view balloon} should be rendered with an arrow.\n\t * @param {Boolean} [data.singleViewMode=false] Whether the view should be the only visible view even if other stacks were added.\n\t */\n\tadd( data ) {\n\t\tif ( this.hasView( data.view ) ) {\n\t\t\t/**\n\t\t\t * Trying to add configuration of the same view more than once.\n\t\t\t *\n\t\t\t * @error contextualballoon-add-view-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'contextualballoon-add-view-exist',\n\t\t\t\t[ this, data ]\n\t\t\t);\n\t\t}\n\n\t\tconst stackId = data.stackId || 'main';\n\n\t\t// If new stack is added, creates it and show view from this stack.\n\t\tif ( !this._idToStack.has( stackId ) ) {\n\t\t\tthis._idToStack.set( stackId, new Map( [ [ data.view, data ] ] ) );\n\t\t\tthis._viewToStack.set( data.view, this._idToStack.get( stackId ) );\n\t\t\tthis._numberOfStacks = this._idToStack.size;\n\n\t\t\tif ( !this._visibleStack || data.singleViewMode ) {\n\t\t\t\tthis.showStack( stackId );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst stack = this._idToStack.get( stackId );\n\n\t\tif ( data.singleViewMode ) {\n\t\t\tthis.showStack( stackId );\n\t\t}\n\n\t\t// Add new view to the stack.\n\t\tstack.set( data.view, data );\n\t\tthis._viewToStack.set( data.view, stack );\n\n\t\t// And display it if is added to the currently visible stack.\n\t\tif ( stack === this._visibleStack ) {\n\t\t\tthis._showView( data );\n\t\t}\n\t}\n\n\t/**\n\t * Removes the given view from the stack. If the removed view was visible,\n\t * the view preceding it in the stack will become visible instead.\n\t * When there is no view in the stack, the next stack will be displayed.\n\t * When there are no more stacks, the balloon will hide.\n\t *\n\t * @param {module:ui/view~View} view A view to be removed from the balloon.\n\t */\n\tremove( view ) {\n\t\tif ( !this.hasView( view ) ) {\n\t\t\t/**\n\t\t\t * Trying to remove the configuration of the view not defined in the stack.\n\t\t\t *\n\t\t\t * @error contextualballoon-remove-view-not-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'contextualballoon-remove-view-not-exist',\n\t\t\t\t[ this, view ]\n\t\t\t);\n\t\t}\n\n\t\tconst stack = this._viewToStack.get( view );\n\n\t\tif ( this._singleViewMode && this.visibleView === view ) {\n\t\t\tthis._singleViewMode = false;\n\t\t}\n\n\t\t// When visible view will be removed we need to show a preceding view or next stack\n\t\t// if a view is the only view in the stack.\n\t\tif ( this.visibleView === view ) {\n\t\t\tif ( stack.size === 1 ) {\n\t\t\t\tif ( this._idToStack.size > 1 ) {\n\t\t\t\t\tthis._showNextStack();\n\t\t\t\t} else {\n\t\t\t\t\tthis.view.hide();\n\t\t\t\t\tthis.visibleView = null;\n\t\t\t\t\tthis._rotatorView.hideView();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tthis._showView( Array.from( stack.values() )[ stack.size - 2 ] );\n\t\t\t}\n\t\t}\n\n\t\tif ( stack.size === 1 ) {\n\t\t\tthis._idToStack.delete( this._getStackId( stack ) );\n\t\t\tthis._numberOfStacks = this._idToStack.size;\n\t\t} else {\n\t\t\tstack.delete( view );\n\t\t}\n\n\t\tthis._viewToStack.delete( view );\n\t}\n\n\t/**\n\t * Updates the position of the balloon using the position data of the first visible view in the stack.\n\t * When new position data is given, the position data of the currently visible view will be updated.\n\t *\n\t * @param {module:utils/dom/position~Options} [position] position options.\n\t */\n\tupdatePosition( position ) {\n\t\tif ( position ) {\n\t\t\tthis._visibleStack.get( this.visibleView ).position = position;\n\t\t}\n\n\t\tthis.view.pin( this._getBalloonPosition() );\n\t\tthis._fakePanelsView.updatePosition();\n\t}\n\n\t/**\n\t * Shows the last view from the stack of a given ID.\n\t *\n\t * @param {String} id\n\t */\n\tshowStack( id ) {\n\t\tthis.visibleStack = id;\n\t\tconst stack = this._idToStack.get( id );\n\n\t\tif ( !stack ) {\n\t\t\t/**\n\t\t\t * Trying to show a stack that does not exist.\n\t\t\t *\n\t\t\t * @error contextualballoon-showstack-stack-not-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'contextualballoon-showstack-stack-not-exist',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tif ( this._visibleStack === stack ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._showView( Array.from( stack.values() ).pop() );\n\t}\n\n\t/**\n\t * Returns the stack of the currently visible view.\n\t *\n\t * @private\n\t * @type {Set}\n\t */\n\tget _visibleStack() {\n\t\treturn this._viewToStack.get( this.visibleView );\n\t}\n\n\t/**\n\t * Returns the ID of the given stack.\n\t *\n\t * @private\n\t * @param {Set} stack\n\t * @returns {String}\n\t */\n\t_getStackId( stack ) {\n\t\tconst entry = Array.from( this._idToStack.entries() ).find( entry => entry[ 1 ] === stack );\n\n\t\treturn entry[ 0 ];\n\t}\n\n\t/**\n\t * Shows the last view from the next stack.\n\t *\n\t * @private\n\t */\n\t_showNextStack() {\n\t\tconst stacks = Array.from( this._idToStack.values() );\n\n\t\tlet nextIndex = stacks.indexOf( this._visibleStack ) + 1;\n\n\t\tif ( !stacks[ nextIndex ] ) {\n\t\t\tnextIndex = 0;\n\t\t}\n\n\t\tthis.showStack( this._getStackId( stacks[ nextIndex ] ) );\n\t}\n\n\t/**\n\t * Shows the last view from the previous stack.\n\t *\n\t * @private\n\t */\n\t_showPrevStack() {\n\t\tconst stacks = Array.from( this._idToStack.values() );\n\n\t\tlet nextIndex = stacks.indexOf( this._visibleStack ) - 1;\n\n\t\tif ( !stacks[ nextIndex ] ) {\n\t\t\tnextIndex = stacks.length - 1;\n\t\t}\n\n\t\tthis.showStack( this._getStackId( stacks[ nextIndex ] ) );\n\t}\n\n\t/**\n\t * Creates a rotator view.\n\t *\n\t * @private\n\t * @returns {module:ui/panel/balloon/contextualballoon~RotatorView}\n\t */\n\t_createRotatorView() {\n\t\tconst view = new RotatorView( this.editor.locale );\n\t\tconst t = this.editor.locale.t;\n\n\t\tthis.view.content.add( view );\n\n\t\t// Hide navigation when there is only a one stack & not in single view mode.\n\t\tview.bind( 'isNavigationVisible' ).to( this, '_numberOfStacks', this, '_singleViewMode', ( value, isSingleViewMode ) => {\n\t\t\treturn !isSingleViewMode && value > 1;\n\t\t} );\n\n\t\t// Update balloon position after toggling navigation.\n\t\tview.on( 'change:isNavigationVisible', () => ( this.updatePosition() ), { priority: 'low' } );\n\n\t\t// Update stacks counter value.\n\t\tview.bind( 'counter' ).to( this, 'visibleView', this, '_numberOfStacks', ( visibleView, numberOfStacks ) => {\n\t\t\tif ( numberOfStacks < 2 ) {\n\t\t\t\treturn '';\n\t\t\t}\n\n\t\t\tconst current = Array.from( this._idToStack.values() ).indexOf( this._visibleStack ) + 1;\n\n\t\t\treturn t( '%0 of %1', [ current, numberOfStacks ] );\n\t\t} );\n\n\t\tview.buttonNextView.on( 'execute', () => {\n\t\t\t// When current view has a focus then move focus to the editable before removing it,\n\t\t\t// otherwise editor will lost focus.\n\t\t\tif ( view.focusTracker.isFocused ) {\n\t\t\t\tthis.editor.editing.view.focus();\n\t\t\t}\n\n\t\t\tthis._showNextStack();\n\t\t} );\n\n\t\tview.buttonPrevView.on( 'execute', () => {\n\t\t\t// When current view has a focus then move focus to the editable before removing it,\n\t\t\t// otherwise editor will lost focus.\n\t\t\tif ( view.focusTracker.isFocused ) {\n\t\t\t\tthis.editor.editing.view.focus();\n\t\t\t}\n\n\t\t\tthis._showPrevStack();\n\t\t} );\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * @private\n\t * @returns {module:ui/view~View}\n\t */\n\t_createFakePanelsView() {\n\t\tconst view = new FakePanelsView( this.editor.locale, this.view );\n\n\t\tview.bind( 'numberOfPanels' ).to( this, '_numberOfStacks', this, '_singleViewMode', ( number, isSingleViewMode ) => {\n\t\t\tconst showPanels = !isSingleViewMode && number >= 2;\n\n\t\t\treturn showPanels ? Math.min( number - 1, 2 ) : 0;\n\t\t} );\n\n\t\tview.listenTo( this.view, 'change:top', () => view.updatePosition() );\n\t\tview.listenTo( this.view, 'change:left', () => view.updatePosition() );\n\n\t\tthis.editor.ui.view.body.add( view );\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * Sets the view as the content of the balloon and attaches the balloon using position\n\t * options of the first view.\n\t *\n\t * @private\n\t * @param {Object} data Configuration.\n\t * @param {module:ui/view~View} [data.view] The view to show in the balloon.\n\t * @param {String} [data.balloonClassName=''] Additional class name which will be added to the {@link #view balloon}.\n\t * @param {Boolean} [data.withArrow=true] Whether the {@link #view balloon} should be rendered with an arrow.\n\t */\n\t_showView( { view, balloonClassName = '', withArrow = true, singleViewMode = false } ) {\n\t\tthis.view.class = balloonClassName;\n\t\tthis.view.withArrow = withArrow;\n\n\t\tthis._rotatorView.showView( view );\n\t\tthis.visibleView = view;\n\t\tthis.view.pin( this._getBalloonPosition() );\n\t\tthis._fakePanelsView.updatePosition();\n\n\t\tif ( singleViewMode ) {\n\t\t\tthis._singleViewMode = true;\n\t\t}\n\t}\n\n\t/**\n\t * Returns position options of the last view in the stack.\n\t * This keeps the balloon in the same position when the view is changed.\n\t *\n\t * @private\n\t * @returns {module:utils/dom/position~Options}\n\t */\n\t_getBalloonPosition() {\n\t\tlet position = Array.from( this._visibleStack.values() ).pop().position;\n\n\t\t// Use the default limiter if none has been specified.\n\t\tif ( position && !position.limiter ) {\n\t\t\t// Don't modify the original options object.\n\t\t\tposition = Object.assign( {}, position, {\n\t\t\t\tlimiter: this.positionLimiter\n\t\t\t} );\n\t\t}\n\n\t\treturn position;\n\t}\n}\n\n/**\n * Rotator view is a helper class for the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon ContextualBalloon}.\n * It is used for displaying the last view from the current stack and providing navigation buttons for switching stacks.\n * See the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon ContextualBalloon} documentation to learn more.\n *\n * @extends module:ui/view~View\n */\nclass RotatorView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst t = locale.t;\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Defines whether navigation is visible or not.\n\t\t *\n\t\t * @member {Boolean} #isNavigationVisible\n\t\t */\n\t\tthis.set( 'isNavigationVisible', true );\n\n\t\t/**\n\t\t * Used for checking if a view is focused or not.\n\t\t *\n\t\t * @type {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * Navigation button for switching the stack to the previous one.\n\t\t *\n\t\t * @type {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.buttonPrevView = this._createButtonView( t( 'Previous' ), prevIcon );\n\n\t\t/**\n\t\t * Navigation button for switching the stack to the next one.\n\t\t *\n\t\t * @type {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.buttonNextView = this._createButtonView( t( 'Next' ), nextIcon );\n\n\t\t/**\n\t\t * A collection of the child views that creates the rotator content.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.content = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-balloon-rotator'\n\t\t\t\t],\n\t\t\t\t'z-index': '-1'\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck-balloon-rotator__navigation',\n\t\t\t\t\t\t\tbind.to( 'isNavigationVisible', value => value ? '' : 'ck-hidden' )\n\t\t\t\t\t\t]\n\t\t\t\t\t},\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tthis.buttonPrevView,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttag: 'span',\n\n\t\t\t\t\t\t\tattributes: {\n\t\t\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t\t\t'ck-balloon-rotator__counter'\n\t\t\t\t\t\t\t\t]\n\t\t\t\t\t\t\t},\n\n\t\t\t\t\t\t\tchildren: [\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\ttext: bind.to( 'counter' )\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t]\n\t\t\t\t\t\t},\n\t\t\t\t\t\tthis.buttonNextView\n\t\t\t\t\t]\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: 'ck-balloon-rotator__content'\n\t\t\t\t\t},\n\t\t\t\t\tchildren: this.content\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.focusTracker.add( this.element );\n\t}\n\n\t/**\n\t * Shows a given view.\n\t *\n\t * @param {module:ui/view~View} view The view to show.\n\t */\n\tshowView( view ) {\n\t\tthis.hideView();\n\t\tthis.content.add( view );\n\t}\n\n\t/**\n\t * Hides the currently displayed view.\n\t */\n\thideView() {\n\t\tthis.content.clear();\n\t}\n\n\t/**\n\t * Creates a navigation button view.\n\t *\n\t * @private\n\t * @param {String} label The button label.\n\t * @param {String} icon The button icon.\n\t * @returns {module:ui/button/buttonview~ButtonView}\n\t */\n\t_createButtonView( label, icon ) {\n\t\tconst view = new ButtonView( this.locale );\n\n\t\tview.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\treturn view;\n\t}\n}\n\n// Displays additional layers under the balloon when multiple stacks are added to the balloon.\n//\n// @private\n// @extends module:ui/view~View\nclass FakePanelsView extends View {\n\t// @inheritDoc\n\tconstructor( locale, balloonPanelView ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t// Fake panels top offset.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #top\n\t\tthis.set( 'top', 0 );\n\n\t\t// Fake panels left offset.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #left\n\t\tthis.set( 'left', 0 );\n\n\t\t// Fake panels height.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #height\n\t\tthis.set( 'height', 0 );\n\n\t\t// Fake panels width.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #width\n\t\tthis.set( 'width', 0 );\n\n\t\t// Number of rendered fake panels.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #numberOfPanels\n\t\tthis.set( 'numberOfPanels', 0 );\n\n\t\t// Collection of the child views which creates fake panel content.\n\t\t//\n\t\t// @readonly\n\t\t// @type {module:ui/viewcollection~ViewCollection}\n\t\tthis.content = this.createCollection();\n\n\t\t// Context.\n\t\t//\n\t\t// @private\n\t\t// @type {module:ui/panel/balloon/balloonpanelview~BalloonPanelView}\n\t\tthis._balloonPanelView = balloonPanelView;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-fake-panel',\n\t\t\t\t\tbind.to( 'numberOfPanels', number => number ? '' : 'ck-hidden' )\n\t\t\t\t],\n\t\t\t\tstyle: {\n\t\t\t\t\ttop: bind.to( 'top', toPx ),\n\t\t\t\t\tleft: bind.to( 'left', toPx ),\n\t\t\t\t\twidth: bind.to( 'width', toPx ),\n\t\t\t\t\theight: bind.to( 'height', toPx )\n\t\t\t\t}\n\t\t\t},\n\t\t\tchildren: this.content\n\t\t} );\n\n\t\tthis.on( 'change:numberOfPanels', ( evt, name, next, prev ) => {\n\t\t\tif ( next > prev ) {\n\t\t\t\tthis._addPanels( next - prev );\n\t\t\t} else {\n\t\t\t\tthis._removePanels( prev - next );\n\t\t\t}\n\n\t\t\tthis.updatePosition();\n\t\t} );\n\t}\n\n\t// @private\n\t// @param {Number} number\n\t_addPanels( number ) {\n\t\twhile ( number-- ) {\n\t\t\tconst view = new View();\n\n\t\t\tview.setTemplate( { tag: 'div' } );\n\n\t\t\tthis.content.add( view );\n\t\t\tthis.registerChild( view );\n\t\t}\n\t}\n\n\t// @private\n\t// @param {Number} number\n\t_removePanels( number ) {\n\t\twhile ( number-- ) {\n\t\t\tconst view = this.content.last;\n\n\t\t\tthis.content.remove( view );\n\t\t\tthis.deregisterChild( view );\n\t\t\tview.destroy();\n\t\t}\n\t}\n\n\t// Updates coordinates of fake panels.\n\tupdatePosition() {\n\t\tif ( this.numberOfPanels ) {\n\t\t\tconst { top, left } = this._balloonPanelView;\n\t\t\tconst { width, height } = new Rect( this._balloonPanelView.element );\n\n\t\t\tObject.assign( this, { top, left, width, height } );\n\t\t}\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z\\\"/></svg>\";","import imageIcon from '../icons/edit.svg';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nexport function createToolbarEditButton(editor, name, callback) {\n\t// Add editing button\n\teditor.ui.componentFactory.add( name, locale => {\n\t\tconst view = new ButtonView( locale );\n\n\t\tview.set( {\n\t\t\tlabel: I18n.t('js.button_edit'),\n\t\t\ticon: imageIcon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\t// Callback executed once the widget is clicked.\n\t\tview.on( 'execute', () => {\n\n\t\t\tconst widget = editor.model.document.selection.getSelectedElement();\n\n\t\t\tif (!widget) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tcallback(widget);\n\t\t} );\n\n\t\treturn view;\n\t} );\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"  width=\\\"20\\\" height=\\\"20\\\"><path d=\\\"M1.586 18.227l.398-2.753.398-2.753 2.355 2.388 2.355 2.355-2.753.365zM14.954 8.01l-7.099 7.065-.763-.796 7.065-7.066-1.592-1.559L5.5 12.721l-.763-.796 7.065-7.066-.796-.796-7.861 7.862 4.71 4.71 7.861-7.828zm3.25-1.56c.398-.397.398-1.094-.033-1.525L15.02 1.775c-.431-.432-1.128-.465-1.526-.034l-.1.1-1.525 1.493 4.71 4.71 1.526-1.493-.033-.033c.033-.033.099-.033.132-.066z\\\"/></svg>\\n\";","import ToolbarView from '@ckeditor/ckeditor5-ui/src/toolbar/toolbarview';\nimport BalloonPanelView from '@ckeditor/ckeditor5-ui/src/panel/balloon/balloonpanelview';\n\nconst balloonClassName = 'ck-toolbar-container';\n\nexport function createEditToolbar(\n\t// Plugin instance\n\tplugin,\n\t// Editor instance\n\teditor,\n\t// Configuration namespace in op-ckeditor.js\n\tconfig_namespace,\n\t// Callback to check if widget is selected\n\tisWidgetSelected\n) {\n\n\tconst toolbarConfig = editor.config.get( config_namespace + '.toolbar' );\n\n\t// Don't add the toolbar if there is no configuration.\n\tif ( !toolbarConfig || !toolbarConfig.length ) {\n\t\treturn;\n\t}\n\n\tconst _balloon = editor.plugins.get( 'ContextualBalloon' );\n\tconst _toolbar = new ToolbarView( editor.locale );\n\n\tfunction _checkIsVisible() {\n\t\tif ( !editor.ui.focusTracker.isFocused ) {\n\t\t\t_hideToolbar();\n\t\t} else {\n\t\t\tif ( isWidgetSelected(editor.editing.view.document.selection ) ) {\n\t\t\t\t_showToolbar();\n\t\t\t} else {\n\t\t\t\t_hideToolbar();\n\t\t\t}\n\t\t}\n\t}\n\n\tfunction _showToolbar() {\n\t\tif ( _isVisible() ) {\n\t\t\trepositionContextualBalloon( editor, isWidgetSelected );\n\t\t} else if ( !_balloon.hasView( _toolbar ) ) {\n\t\t\t_balloon.add( {\n\t\t\t\tview: _toolbar,\n\t\t\t\tposition: getBalloonPositionData( editor ),\n\t\t\t\tballoonClassName\n\t\t\t} );\n\t\t}\n\t}\n\n\tfunction _hideToolbar() {\n\t\tif ( !_isVisible() ) {\n\t\t\treturn;\n\t\t}\n\n\t\t_balloon.remove( _toolbar );\n\t}\n\n\tfunction _isVisible() {\n\t\treturn _balloon.visibleView == _toolbar;\n\t}\n\n\t// Add buttons to the toolbar.\n\t_toolbar.fillFromConfig( toolbarConfig, editor.ui.componentFactory );\n\n\t// Show balloon panel each time the widget is selected.\n\t// TODO: This has changed in master with https://github.com/ckeditor/ckeditor5-image/pull/215\n\tplugin.listenTo( editor.editing.view, 'render', _checkIsVisible);\n\n\t// UI#update is not fired after focus is back in editor, we need to check if balloon panel should be visible.\n\tplugin.listenTo( editor.ui.focusTracker, 'change:isFocused', _checkIsVisible, { priority: 'low' } );\n}\n\n\n/**\n * A helper utility that positions the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} instance\n * with respect to the element in the editor content, if one is selected.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n */\nfunction repositionContextualBalloon( editor, selectionCallback ) {\n\tconst balloon = editor.plugins.get( 'ContextualBalloon' );\n\n\tif ( selectionCallback( editor.editing.view.document.selection ) ) {\n\t\tconst position = getBalloonPositionData( editor );\n\n\t\tballoon.updatePosition( position );\n\t}\n}\n\n\n/**\n * Returns the positioning options that control the geometry of the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} with respect\n * to the selected element in the editor content.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @returns {module:utils/dom/position~Options}\n */\nfunction getBalloonPositionData( editor ) {\n\tconst editingView = editor.editing.view;\n\tconst defaultPositions = BalloonPanelView.defaultPositions;\n\n\treturn {\n\t\ttarget: editingView.domConverter.viewToDom( editingView.document.selection.getSelectedElement() ),\n\t\tpositions: [\n\t\t\tdefaultPositions.northArrowSouth,\n\t\t\tdefaultPositions.northArrowSouthWest,\n\t\t\tdefaultPositions.northArrowSouthEast,\n\t\t\tdefaultPositions.southArrowNorth,\n\t\t\tdefaultPositions.southArrowNorthWest,\n\t\t\tdefaultPositions.southArrowNorthEast\n\t\t]\n\t};\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport {isEmbeddedTableWidgetSelected} from './utils';\nimport {createToolbarEditButton} from '../../helpers/create-toolbar-edit-button';\nimport {createEditToolbar} from '../../helpers/create-toolbar';\nimport {getPluginContext} from '../op-context/op-context';\n\n\nconst balloonClassName = 'ck-toolbar-container';\n\nexport default class EmbeddedTableToolbar extends Plugin {\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'EmbeddedTableToolbar';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Add editing button\n\t\tcreateToolbarEditButton( editor, 'opEditEmbeddedTableQuery', widget => {\n\t\t\tconst externalQueryConfiguration = pluginContext.services.externalQueryConfiguration;\n\t\t\tconst currentQuery = widget.getAttribute('opEmbeddedTableQuery') || {};\n\n\t\t\tpluginContext.runInZone(() => {\n\t\t\t\texternalQueryConfiguration.show({\n\t\t\t\t\tcurrentQuery: currentQuery,\n\t\t\t\t\tcallback: (newQuery) => model.change(writer => {\n\t\t\t\t\t\twriter.setAttribute('opEmbeddedTableQuery', newQuery, widget);\n\t\t\t\t\t})\n\t\t\t\t});\n\t\t\t});\n\t\t} );\n\t}\n\n\tafterInit() {\n\t\t// Add actual toolbar\n\t\tcreateEditToolbar(\n\t\t\tthis,\n\t\t\tthis.editor,\n\t\t\t'OPMacroEmbeddedTable',\n\t\t\tisEmbeddedTableWidgetSelected\n\t\t);\n\t}\n}\n","const wpButtonMacroSymbol = Symbol( 'isWpButtonMacroSymbol' );\nimport {toWidget, isWidget} from '@ckeditor/ckeditor5-widget/src/utils';\n\nexport function toWpButtonMacroWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( wpButtonMacroSymbol, true, viewElement );\n\treturn toWidget( viewElement, writer, { label: label });\n}\n\n\nexport function isWpButtonMacroWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( wpButtonMacroSymbol ) && isWidget( viewElement );\n}\n\n\nexport function isWpButtonMacroWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isWpButtonMacroWidget( viewElement ) );\n}\n","import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport {toWpButtonMacroWidget} from './utils';\nimport {getPluginContext} from '../op-context/op-context';\n\nexport default class OPMacroWpButtonEditing extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroWpButtonEditing';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn 'insertWorkPackageButton';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst conversion = editor.conversion;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'op-macro-wp-button', {\n\t\t\tallowWhere: ['$block'],\n\t\t\tallowAttributes: ['type', 'classes'],\n\t\t\tisBlock: true,\n\t\t    isLimit: true\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'macro',\n\t\t\t\t\tclasses: 'create_work_package_link'\n\t\t\t\t},\n\t\t\t\tmodel: ( viewElement, {writer:modelWriter} ) => {\n\t\t\t\t\tconst type = viewElement.getAttribute( 'data-type' ) || '';\n\t\t\t\t\tconst classes = viewElement.getAttribute( 'data-classes' ) || '';\n\n\t\t\t\t\treturn modelWriter.createElement(\n\t\t\t\t\t\t'op-macro-wp-button',\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttype: type,\n\t\t\t\t\t\t\tclasses: classes\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t} );\n\n\n\t\tconversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'op-macro-wp-button',\n\t\t\tview: (modelElement, {writer}) => {\n\t\t\t\treturn this.createMacroViewElement(modelElement, writer);\n\t\t\t}\n\t    } );\n\n\t\tconversion.for('dataDowncast').elementToElement({\n\t\t\tmodel: 'op-macro-wp-button',\n\t\t\tview: (modelElement, {writer}) => {\n\t\t\t\tconst element = writer.createContainerElement(\n\t\t\t\t\t'macro',\n\t\t\t\t\t{\n\t\t\t\t\t\t'class': 'create_work_package_link',\n\t\t\t\t\t\t'data-type': modelElement.getAttribute('type') || '',\n\t\t\t\t\t\t'data-classes': modelElement.getAttribute('classes') || '',\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\treturn element;\n\t\t\t}\n\t\t});\n\n\t\teditor.ui.componentFactory.add( OPMacroWpButtonEditing.buttonName, locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: window.I18n.t('js.editor.macro.work_package_button.button'),\n\t\t\t\twithText: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\tconst macroService = pluginContext.services.macros;\n\n\t\t\t\tmacroService\n\t\t\t\t\t.configureWorkPackageButton()\n\t\t\t\t\t.then((result) => editor.model.change(writer => {\n\t\t\t\t\t\tconst element = writer.createElement( 'op-macro-wp-button', {});\n\t\t\t\t\t\twriter.setAttribute( 'type', result.type, element );\n\t\t\t\t\t\twriter.setAttribute( 'classes', result.classes, element );\n\n\t\t\t\t\t\teditor.model.insertContent( element, editor.model.document.selection );\n\t\t\t\t\t})\n\t\t\t\t);\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tmacroLabel(type) {\n\t\tif (type) {\n\t\t\treturn window.I18n.t('js.editor.macro.work_package_button.with_type', { typename: type });\n\t\t} else {\n\t\t\treturn window.I18n.t('js.editor.macro.work_package_button.without_type');\n\t\t}\n\t}\n\n\tcreateMacroViewElement(modelElement, writer) {\n\t\tconst type = modelElement.getAttribute('type');\n\t\tconst classes = modelElement.getAttribute('classes') || '';\n\t\tconst label = this.macroLabel(); // TODO: Pass type, it is not updated on coming back from the modal..\n\t\tconst placeholder = writer.createText( label );\n\t\tconst container = writer.createContainerElement( 'span', { class: classes } );\n\n\t\twriter.insert( writer.createPositionAt( container, 0 ), placeholder );\n\t\treturn toWpButtonMacroWidget(container, writer, { label: label } )\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport {isWpButtonMacroWidgetSelected} from './utils';\nimport {createToolbarEditButton} from '../../helpers/create-toolbar-edit-button';\nimport {createEditToolbar} from '../../helpers/create-toolbar';\nimport {getPluginContext} from '../op-context/op-context';\n\n\nconst balloonClassName = 'ck-toolbar-container';\n\nexport default class OPMacroWpButtonToolbar extends Plugin {\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroWpButtonToolbar';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Add editing button\n\t\tcreateToolbarEditButton( editor, 'opEditWpMacroButton', widget => {\n\t\t\tconst macroService = pluginContext.services.macros;\n\t\t\tconst type = widget.getAttribute('type');\n\t\t\tconst classes = widget.getAttribute('classes');\n\n\t\t\tmacroService\n\t\t\t\t.configureWorkPackageButton(type, classes)\n\t\t\t\t.then((result) => editor.model.change(writer => {\n\t\t\t\t\twriter.setAttribute( 'classes', result.classes, widget );\n\t\t\t\t\twriter.setAttribute( 'type', result.type, widget );\n\t\t\t\t})\n\t\t\t);\n\t\t} );\n\t}\n\n\tafterInit() {\n\t\t// Add actual toolbar\n\t\tcreateEditToolbar(\n\t\t\tthis,\n\t\t\tthis.editor,\n\t\t\t'OPMacroWpButton',\n\t\t\tisWpButtonMacroWidgetSelected\n\t\t);\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/contextplugin\n */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The base class for {@link module:core/context~Context} plugin classes.\n *\n * A context plugin can either be initialized for an {@link module:core/editor/editor~Editor editor} or for\n * a {@link module:core/context~Context context}. In other words, it can either\n * work within one editor instance or with one or more editor instances that use a single context.\n * It is the context plugin's role to implement handling for both modes.\n *\n * There are a few rules for interaction between the editor plugins and context plugins:\n *\n * * A context plugin can require another context plugin.\n * * An {@link module:core/plugin~Plugin editor plugin} can require a context plugin.\n * * A context plugin MUST NOT require an {@link module:core/plugin~Plugin editor plugin}.\n *\n * @implements module:core/plugin~PluginInterface\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class ContextPlugin {\n\t/**\n\t * Creates a new plugin instance.\n\t *\n\t * @param {module:core/context~Context|module:core/editor/editor~Editor} context\n\t */\n\tconstructor( context ) {\n\t\t/**\n\t\t * The context instance.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:core/context~Context|module:core/editor/editor~Editor}\n\t\t */\n\t\tthis.context = context;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get isContextPlugin() {\n\t\treturn true;\n\t}\n}\n\nmix( ContextPlugin, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/pendingactions\n */\n\nimport ContextPlugin from './contextplugin';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * The list of pending editor actions.\n *\n * This plugin should be used to synchronise plugins that execute long-lasting actions\n * (e.g. file upload) with the editor integration. It gives the developer who integrates the editor\n * an easy way to check if there are any actions pending whenever such information is needed.\n * All plugins that register a pending action also provide a message about the action that is ongoing\n * which can be displayed to the user. This lets them decide if they want to interrupt the action or wait.\n *\n * Adding and updating a pending action:\n *\n * \t\tconst pendingActions = editor.plugins.get( 'PendingActions' );\n * \t\tconst action = pendingActions.add( 'Upload in progress: 0%.' );\n *\n *\t\t// You can update the message:\n * \t\taction.message = 'Upload in progress: 10%.';\n *\n * Removing a pending action:\n *\n * \t\tconst pendingActions = editor.plugins.get( 'PendingActions' );\n * \t\tconst action = pendingActions.add( 'Unsaved changes.' );\n *\n * \t\tpendingActions.remove( action );\n *\n * Getting pending actions:\n *\n * \t\tconst pendingActions = editor.plugins.get( 'PendingActions' );\n *\n * \t\tconst action1 = pendingActions.add( 'Action 1' );\n * \t\tconst action2 = pendingActions.add( 'Action 2' );\n *\n * \t\tpendingActions.first; // Returns action1\n * \t\tArray.from( pendingActions ); // Returns [ action1, action2 ]\n *\n * This plugin is used by features like {@link module:upload/filerepository~FileRepository} to register their ongoing actions\n * and by features like {@link module:autosave/autosave~Autosave} to detect whether there are any ongoing actions.\n * Read more about saving the data in the {@glink builds/guides/integration/saving-data Saving and getting data} guide.\n *\n * @extends module:core/contextplugin~ContextPlugin\n */\nexport default class PendingActions extends ContextPlugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'PendingActions';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\t/**\n\t\t * Defines whether there is any registered pending action.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #hasAny\n\t\t */\n\t\tthis.set( 'hasAny', false );\n\n\t\t/**\n\t\t * A list of pending actions.\n\t\t *\n\t\t * @private\n\t\t * @type {module:utils/collection~Collection}\n\t\t */\n\t\tthis._actions = new Collection( { idProperty: '_id' } );\n\t\tthis._actions.delegate( 'add', 'remove' ).to( this );\n\t}\n\n\t/**\n\t * Adds an action to the list of pending actions.\n\t *\n\t * This method returns an action object with an observable message property.\n\t * The action object can be later used in the {@link #remove} method. It also allows you to change the message.\n\t *\n\t * @param {String} message The action message.\n\t * @returns {Object} An observable object that represents a pending action.\n\t */\n\tadd( message ) {\n\t\tif ( typeof message !== 'string' ) {\n\t\t\t/**\n\t\t\t * The message must be a string.\n\t\t\t *\n\t\t\t * @error pendingactions-add-invalid-message\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'pendingactions-add-invalid-message', this );\n\t\t}\n\n\t\tconst action = Object.create( ObservableMixin );\n\n\t\taction.set( 'message', message );\n\t\tthis._actions.add( action );\n\t\tthis.hasAny = true;\n\n\t\treturn action;\n\t}\n\n\t/**\n\t * Removes an action from the list of pending actions.\n\t *\n\t * @param {Object} action An action object.\n\t */\n\tremove( action ) {\n\t\tthis._actions.remove( action );\n\t\tthis.hasAny = !!this._actions.length;\n\t}\n\n\t/**\n\t * Returns the first action from the list or null when list is empty\n\t *\n\t * returns {Object|null} The pending action object.\n\t */\n\tget first() {\n\t\treturn this._actions.get( 0 );\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._actions[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Fired when an action is added to the list.\n\t *\n\t * @event add\n\t * @param {Object} action The added action.\n\t */\n\n\t/**\n\t * Fired when an action is removed from the list.\n\t *\n\t * @event remove\n\t * @param {Object} action The removed action.\n\t */\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module upload/filereader\n */\n\n/* globals window */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Wrapper over the native `FileReader`.\n */\nexport default class FileReader {\n\t/**\n\t * Creates an instance of the FileReader.\n\t */\n\tconstructor() {\n\t\tconst reader = new window.FileReader();\n\n\t\t/**\n\t\t * Instance of native FileReader.\n\t\t *\n\t\t * @private\n\t\t * @member {FileReader} #_reader\n\t\t */\n\t\tthis._reader = reader;\n\n\t\tthis._data = undefined;\n\n\t\t/**\n\t\t * Number of bytes loaded.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #loaded\n\t\t */\n\t\tthis.set( 'loaded', 0 );\n\n\t\treader.onprogress = evt => {\n\t\t\tthis.loaded = evt.loaded;\n\t\t};\n\t}\n\n\t/**\n\t * Returns error that occurred during file reading.\n\t *\n\t * @returns {Error}\n\t */\n\tget error() {\n\t\treturn this._reader.error;\n\t}\n\n\t/**\n\t * Holds the data of an already loaded file. The file must be first loaded\n\t * by using {@link module:upload/filereader~FileReader#read `read()`}.\n\t *\n\t * @type {File|undefined}\n\t */\n\tget data() {\n\t\treturn this._data;\n\t}\n\n\t/**\n\t * Reads the provided file.\n\t *\n\t * @param {File} file Native File object.\n\t * @returns {Promise.<String>} Returns a promise that will be resolved with file's content.\n\t * The promise will be rejected in case of an error or when the reading process is aborted.\n\t */\n\tread( file ) {\n\t\tconst reader = this._reader;\n\t\tthis.total = file.size;\n\n\t\treturn new Promise( ( resolve, reject ) => {\n\t\t\treader.onload = () => {\n\t\t\t\tconst result = reader.result;\n\n\t\t\t\tthis._data = result;\n\n\t\t\t\tresolve( result );\n\t\t\t};\n\n\t\t\treader.onerror = () => {\n\t\t\t\treject( 'error' );\n\t\t\t};\n\n\t\t\treader.onabort = () => {\n\t\t\t\treject( 'aborted' );\n\t\t\t};\n\n\t\t\tthis._reader.readAsDataURL( file );\n\t\t} );\n\t}\n\n\t/**\n\t * Aborts file reader.\n\t */\n\tabort() {\n\t\tthis._reader.abort();\n\t}\n}\n\nmix( FileReader, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module upload/filerepository\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport PendingActions from '@ckeditor/ckeditor5-core/src/pendingactions';\nimport CKEditorError, { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\nimport FileReader from './filereader.js';\n\nimport uid from '@ckeditor/ckeditor5-utils/src/uid.js';\n\n/**\n * File repository plugin. A central point for managing file upload.\n *\n * To use it, first you need an upload adapter. Upload adapter's job is to handle communication with the server\n * (sending the file and handling server's response). You can use one of the existing plugins introducing upload adapters\n * (e.g. {@link module:easy-image/cloudservicesuploadadapter~CloudServicesUploadAdapter} or\n * {@link module:adapter-ckfinder/uploadadapter~CKFinderUploadAdapter}) or write your own one – see\n * the {@glink framework/guides/deep-dive/upload-adapter \"Custom image upload adapter\" deep dive guide}.\n *\n * Then, you can use {@link module:upload/filerepository~FileRepository#createLoader `createLoader()`} and the returned\n * {@link module:upload/filerepository~FileLoader} instance to load and upload files.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class FileRepository extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'FileRepository';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ PendingActions ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\t/**\n\t\t * Collection of loaders associated with this repository.\n\t\t *\n\t\t * @member {module:utils/collection~Collection} #loaders\n\t\t */\n\t\tthis.loaders = new Collection();\n\n\t\t// Keeps upload in a sync with pending actions.\n\t\tthis.loaders.on( 'add', () => this._updatePendingAction() );\n\t\tthis.loaders.on( 'remove', () => this._updatePendingAction() );\n\n\t\t/**\n\t\t * Loaders mappings used to retrieve loaders references.\n\t\t *\n\t\t * @private\n\t\t * @member {Map<File|Promise, FileLoader>} #_loadersMap\n\t\t */\n\t\tthis._loadersMap = new Map();\n\n\t\t/**\n\t\t * Reference to a pending action registered in a {@link module:core/pendingactions~PendingActions} plugin\n\t\t * while upload is in progress. When there is no upload then value is `null`.\n\t\t *\n\t\t * @private\n\t\t * @member {Object} #_pendingAction\n\t\t */\n\t\tthis._pendingAction = null;\n\n\t\t/**\n\t\t * A factory function which should be defined before using `FileRepository`.\n\t\t *\n\t\t * It should return a new instance of {@link module:upload/filerepository~UploadAdapter} that will be used to upload files.\n\t\t * {@link module:upload/filerepository~FileLoader} instance associated with the adapter\n\t\t * will be passed to that function.\n\t\t *\n\t\t * For more information and example see {@link module:upload/filerepository~UploadAdapter}.\n\t\t *\n\t\t * @member {Function} #createUploadAdapter\n\t\t */\n\n\t\t/**\n\t\t * Number of bytes uploaded.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #uploaded\n\t\t */\n\t\tthis.set( 'uploaded', 0 );\n\n\t\t/**\n\t\t * Number of total bytes to upload.\n\t\t *\n\t\t * It might be different than the file size because of headers and additional data.\n\t\t * It contains `null` if value is not available yet, so it's better to use {@link #uploadedPercent} to monitor\n\t\t * the progress.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #uploadTotal\n\t\t */\n\t\tthis.set( 'uploadTotal', null );\n\n\t\t/**\n\t\t * Upload progress in percents.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #uploadedPercent\n\t\t */\n\t\tthis.bind( 'uploadedPercent' ).to( this, 'uploaded', this, 'uploadTotal', ( uploaded, total ) => {\n\t\t\treturn total ? ( uploaded / total * 100 ) : 0;\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the loader associated with specified file or promise.\n\t *\n\t * To get loader by id use `fileRepository.loaders.get( id )`.\n\t *\n\t * @param {File|Promise.<File>} fileOrPromise Native file or promise handle.\n\t * @returns {module:upload/filerepository~FileLoader|null}\n\t */\n\tgetLoader( fileOrPromise ) {\n\t\treturn this._loadersMap.get( fileOrPromise ) || null;\n\t}\n\n\t/**\n\t * Creates a loader instance for the given file.\n\t *\n\t * Requires {@link #createUploadAdapter} factory to be defined.\n\t *\n\t * @param {File|Promise.<File>} fileOrPromise Native File object or native Promise object which resolves to a File.\n\t * @returns {module:upload/filerepository~FileLoader|null}\n\t */\n\tcreateLoader( fileOrPromise ) {\n\t\tif ( !this.createUploadAdapter ) {\n\t\t\t/**\n\t\t\t * You need to enable an upload adapter in order to be able to upload files.\n\t\t\t *\n\t\t\t * This warning shows up when {@link module:upload/filerepository~FileRepository} is being used\n\t\t\t * without {@link #createUploadAdapter definining an upload adapter}.\n\t\t\t *\n\t\t\t * **If you see this warning when using one of the {@glink builds/index CKEditor 5 Builds}**\n\t\t\t * it means that you did not configure any of the upload adapters available by default in those builds.\n\t\t\t *\n\t\t\t * See the {@glink features/image-upload/image-upload comprehensive \"Image upload overview\"} to learn which upload\n\t\t\t * adapters are available in the builds and how to configure them.\n\t\t\t *\n\t\t\t * **If you see this warning when using a custom build** there is a chance that you enabled\n\t\t\t * a feature like {@link module:image/imageupload~ImageUpload},\n\t\t\t * or {@link module:image/imageupload/imageuploadui~ImageUploadUI} but you did not enable any upload adapter.\n\t\t\t * You can choose one of the existing upload adapters listed in the\n\t\t\t * {@glink features/image-upload/image-upload \"Image upload overview\"}.\n\t\t\t *\n\t\t\t * You can also implement your {@glink framework/guides/deep-dive/upload-adapter own image upload adapter}.\n\t\t\t *\n\t\t\t * @error filerepository-no-upload-adapter\n\t\t\t */\n\t\t\tlogWarning( 'filerepository-no-upload-adapter' );\n\n\t\t\treturn null;\n\t\t}\n\n\t\tconst loader = new FileLoader( Promise.resolve( fileOrPromise ), this.createUploadAdapter );\n\n\t\tthis.loaders.add( loader );\n\t\tthis._loadersMap.set( fileOrPromise, loader );\n\n\t\t// Store also file => loader mapping so loader can be retrieved by file instance returned upon Promise resolution.\n\t\tif ( fileOrPromise instanceof Promise ) {\n\t\t\tloader.file\n\t\t\t\t.then( file => {\n\t\t\t\t\tthis._loadersMap.set( file, loader );\n\t\t\t\t} )\n\t\t\t\t// Every then() must have a catch().\n\t\t\t\t// File loader state (and rejections) are handled in read() and upload().\n\t\t\t\t// Also, see the \"does not swallow the file promise rejection\" test.\n\t\t\t\t.catch( () => {} );\n\t\t}\n\n\t\tloader.on( 'change:uploaded', () => {\n\t\t\tlet aggregatedUploaded = 0;\n\n\t\t\tfor ( const loader of this.loaders ) {\n\t\t\t\taggregatedUploaded += loader.uploaded;\n\t\t\t}\n\n\t\t\tthis.uploaded = aggregatedUploaded;\n\t\t} );\n\n\t\tloader.on( 'change:uploadTotal', () => {\n\t\t\tlet aggregatedTotal = 0;\n\n\t\t\tfor ( const loader of this.loaders ) {\n\t\t\t\tif ( loader.uploadTotal ) {\n\t\t\t\t\taggregatedTotal += loader.uploadTotal;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tthis.uploadTotal = aggregatedTotal;\n\t\t} );\n\n\t\treturn loader;\n\t}\n\n\t/**\n\t * Destroys the given loader.\n\t *\n\t * @param {File|Promise|module:upload/filerepository~FileLoader} fileOrPromiseOrLoader File or Promise associated\n\t * with that loader or loader itself.\n\t */\n\tdestroyLoader( fileOrPromiseOrLoader ) {\n\t\tconst loader = fileOrPromiseOrLoader instanceof FileLoader ? fileOrPromiseOrLoader : this.getLoader( fileOrPromiseOrLoader );\n\n\t\tloader._destroy();\n\n\t\tthis.loaders.remove( loader );\n\n\t\tthis._loadersMap.forEach( ( value, key ) => {\n\t\t\tif ( value === loader ) {\n\t\t\t\tthis._loadersMap.delete( key );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Registers or deregisters pending action bound with upload progress.\n\t *\n\t * @private\n\t */\n\t_updatePendingAction() {\n\t\tconst pendingActions = this.editor.plugins.get( PendingActions );\n\n\t\tif ( this.loaders.length ) {\n\t\t\tif ( !this._pendingAction ) {\n\t\t\t\tconst t = this.editor.t;\n\t\t\t\tconst getMessage = value => `${ t( 'Upload in progress' ) } ${ parseInt( value ) }%.`;\n\n\t\t\t\tthis._pendingAction = pendingActions.add( getMessage( this.uploadedPercent ) );\n\t\t\t\tthis._pendingAction.bind( 'message' ).to( this, 'uploadedPercent', getMessage );\n\t\t\t}\n\t\t} else {\n\t\t\tpendingActions.remove( this._pendingAction );\n\t\t\tthis._pendingAction = null;\n\t\t}\n\t}\n}\n\nmix( FileRepository, ObservableMixin );\n\n/**\n * File loader class.\n *\n * It is used to control the process of reading the file and uploading it using the specified upload adapter.\n */\nclass FileLoader {\n\t/**\n\t * Creates a new instance of `FileLoader`.\n\t *\n\t * @param {Promise.<File>} filePromise A promise which resolves to a file instance.\n\t * @param {Function} uploadAdapterCreator The function which returns {@link module:upload/filerepository~UploadAdapter} instance.\n\t */\n\tconstructor( filePromise, uploadAdapterCreator ) {\n\t\t/**\n\t\t * Unique id of FileLoader instance.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.id = uid();\n\n\t\t/**\n\t\t * Additional wrapper over the initial file promise passed to this loader.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:upload/filerepository~FilePromiseWrapper}\n\t\t */\n\t\tthis._filePromiseWrapper = this._createFilePromiseWrapper( filePromise );\n\n\t\t/**\n\t\t * Adapter instance associated with this file loader.\n\t\t *\n\t\t * @private\n\t\t * @member {module:upload/filerepository~UploadAdapter}\n\t\t */\n\t\tthis._adapter = uploadAdapterCreator( this );\n\n\t\t/**\n\t\t * FileReader used by FileLoader.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:upload/filereader~FileReader}\n\t\t */\n\t\tthis._reader = new FileReader();\n\n\t\t/**\n\t\t * Current status of FileLoader. It can be one of the following:\n\t\t *\n\t\t * * 'idle',\n\t\t * * 'reading',\n\t\t * * 'uploading',\n\t\t * * 'aborted',\n\t\t * * 'error'.\n\t\t *\n\t\t * When reading status can change in a following way:\n\t\t *\n\t\t * `idle` -> `reading` -> `idle`\n\t\t * `idle` -> `reading -> `aborted`\n\t\t * `idle` -> `reading -> `error`\n\t\t *\n\t\t * When uploading status can change in a following way:\n\t\t *\n\t\t * `idle` -> `uploading` -> `idle`\n\t\t * `idle` -> `uploading` -> `aborted`\n\t\t * `idle` -> `uploading` -> `error`\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {String} #status\n\t\t */\n\t\tthis.set( 'status', 'idle' );\n\n\t\t/**\n\t\t * Number of bytes uploaded.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #uploaded\n\t\t */\n\t\tthis.set( 'uploaded', 0 );\n\n\t\t/**\n\t\t * Number of total bytes to upload.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #uploadTotal\n\t\t */\n\t\tthis.set( 'uploadTotal', null );\n\n\t\t/**\n\t\t * Upload progress in percents.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #uploadedPercent\n\t\t */\n\t\tthis.bind( 'uploadedPercent' ).to( this, 'uploaded', this, 'uploadTotal', ( uploaded, total ) => {\n\t\t\treturn total ? ( uploaded / total * 100 ) : 0;\n\t\t} );\n\n\t\t/**\n\t\t * Response of the upload.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Object|null} #uploadResponse\n\t\t */\n\t\tthis.set( 'uploadResponse', null );\n\t}\n\n\t/**\n\t * A `Promise` which resolves to a `File` instance associated with this file loader.\n\t *\n\t * @type {Promise.<File|null>}\n\t */\n\tget file() {\n\t\tif ( !this._filePromiseWrapper ) {\n\t\t\t// Loader was destroyed, return promise which resolves to null.\n\t\t\treturn Promise.resolve( null );\n\t\t} else {\n\t\t\t// The `this._filePromiseWrapper.promise` is chained and not simply returned to handle a case when:\n\t\t\t//\n\t\t\t//\t\t* The `loader.file.then( ... )` is called by external code (returned promise is pending).\n\t\t\t//\t\t* Then `loader._destroy()` is called (call is synchronous) which destroys the `loader`.\n\t\t\t//\t\t* Promise returned by the first `loader.file.then( ... )` call is resolved.\n\t\t\t//\n\t\t\t// Returning `this._filePromiseWrapper.promise` will still resolve to a `File` instance so there\n\t\t\t// is an additional check needed in the chain to see if `loader` was destroyed in the meantime.\n\t\t\treturn this._filePromiseWrapper.promise.then( file => this._filePromiseWrapper ? file : null );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the file data. To read its data, you need for first load the file\n\t * by using the {@link module:upload/filerepository~FileLoader#read `read()`} method.\n\t *\n\t * @type {File|undefined}\n\t */\n\tget data() {\n\t\treturn this._reader.data;\n\t}\n\n\t/**\n\t * Reads file using {@link module:upload/filereader~FileReader}.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `filerepository-read-wrong-status` when status\n\t * is different than `idle`.\n\t *\n\t * Example usage:\n\t *\n\t *\tfileLoader.read()\n\t *\t\t.then( data => { ... } )\n\t *\t\t.catch( err => {\n\t *\t\t\tif ( err === 'aborted' ) {\n\t *\t\t\t\tconsole.log( 'Reading aborted.' );\n\t *\t\t\t} else {\n\t *\t\t\t\tconsole.log( 'Reading error.', err );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @returns {Promise.<String>} Returns promise that will be resolved with read data. Promise will be rejected if error\n\t * occurs or if read process is aborted.\n\t */\n\tread() {\n\t\tif ( this.status != 'idle' ) {\n\t\t\t/**\n\t\t\t * You cannot call read if the status is different than idle.\n\t\t\t *\n\t\t\t * @error filerepository-read-wrong-status\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'filerepository-read-wrong-status', this );\n\t\t}\n\n\t\tthis.status = 'reading';\n\n\t\treturn this.file\n\t\t\t.then( file => this._reader.read( file ) )\n\t\t\t.then( data => {\n\t\t\t\t// Edge case: reader was aborted after file was read - double check for proper status.\n\t\t\t\t// It can happen when image was deleted during its upload.\n\t\t\t\tif ( this.status !== 'reading' ) {\n\t\t\t\t\tthrow this.status;\n\t\t\t\t}\n\n\t\t\t\tthis.status = 'idle';\n\n\t\t\t\treturn data;\n\t\t\t} )\n\t\t\t.catch( err => {\n\t\t\t\tif ( err === 'aborted' ) {\n\t\t\t\t\tthis.status = 'aborted';\n\t\t\t\t\tthrow 'aborted';\n\t\t\t\t}\n\n\t\t\t\tthis.status = 'error';\n\t\t\t\tthrow this._reader.error ? this._reader.error : err;\n\t\t\t} );\n\t}\n\n\t/**\n\t * Reads file using the provided {@link module:upload/filerepository~UploadAdapter}.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `filerepository-upload-wrong-status` when status\n\t * is different than `idle`.\n\t * Example usage:\n\t *\n\t *\tfileLoader.upload()\n\t *\t\t.then( data => { ... } )\n\t *\t\t.catch( e => {\n\t *\t\t\tif ( e === 'aborted' ) {\n\t *\t\t\t\tconsole.log( 'Uploading aborted.' );\n\t *\t\t\t} else {\n\t *\t\t\t\tconsole.log( 'Uploading error.', e );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @returns {Promise.<Object>} Returns promise that will be resolved with response data. Promise will be rejected if error\n\t * occurs or if read process is aborted.\n\t */\n\tupload() {\n\t\tif ( this.status != 'idle' ) {\n\t\t\t/**\n\t\t\t * You cannot call upload if the status is different than idle.\n\t\t\t *\n\t\t\t * @error filerepository-upload-wrong-status\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'filerepository-upload-wrong-status', this );\n\t\t}\n\n\t\tthis.status = 'uploading';\n\n\t\treturn this.file\n\t\t\t.then( () => this._adapter.upload() )\n\t\t\t.then( data => {\n\t\t\t\tthis.uploadResponse = data;\n\t\t\t\tthis.status = 'idle';\n\n\t\t\t\treturn data;\n\t\t\t} )\n\t\t\t.catch( err => {\n\t\t\t\tif ( this.status === 'aborted' ) {\n\t\t\t\t\tthrow 'aborted';\n\t\t\t\t}\n\n\t\t\t\tthis.status = 'error';\n\t\t\t\tthrow err;\n\t\t\t} );\n\t}\n\n\t/**\n\t * Aborts loading process.\n\t */\n\tabort() {\n\t\tconst status = this.status;\n\t\tthis.status = 'aborted';\n\n\t\tif ( !this._filePromiseWrapper.isFulfilled ) {\n\t\t\t// Edge case: file loader is aborted before read() is called\n\t\t\t// so it might happen that no one handled the rejection of this promise.\n\t\t\t// See https://github.com/ckeditor/ckeditor5-upload/pull/100\n\t\t\tthis._filePromiseWrapper.promise.catch( () => {} );\n\n\t\t\tthis._filePromiseWrapper.rejecter( 'aborted' );\n\t\t} else if ( status == 'reading' ) {\n\t\t\tthis._reader.abort();\n\t\t} else if ( status == 'uploading' && this._adapter.abort ) {\n\t\t\tthis._adapter.abort();\n\t\t}\n\n\t\tthis._destroy();\n\t}\n\n\t/**\n\t * Performs cleanup.\n\t *\n\t * @private\n\t */\n\t_destroy() {\n\t\tthis._filePromiseWrapper = undefined;\n\t\tthis._reader = undefined;\n\t\tthis._adapter = undefined;\n\t\tthis.uploadResponse = undefined;\n\t}\n\n\t/**\n\t * Wraps a given file promise into another promise giving additional\n\t * control (resolving, rejecting, checking if fulfilled) over it.\n\t *\n\t * @private\n\t * @param filePromise The initial file promise to be wrapped.\n\t * @returns {module:upload/filerepository~FilePromiseWrapper}\n\t */\n\t_createFilePromiseWrapper( filePromise ) {\n\t\tconst wrapper = {};\n\n\t\twrapper.promise = new Promise( ( resolve, reject ) => {\n\t\t\twrapper.rejecter = reject;\n\t\t\twrapper.isFulfilled = false;\n\n\t\t\tfilePromise\n\t\t\t\t.then( file => {\n\t\t\t\t\twrapper.isFulfilled = true;\n\t\t\t\t\tresolve( file );\n\t\t\t\t} )\n\t\t\t\t.catch( err => {\n\t\t\t\t\twrapper.isFulfilled = true;\n\t\t\t\t\treject( err );\n\t\t\t\t} );\n\t\t} );\n\n\t\treturn wrapper;\n\t}\n}\n\nmix( FileLoader, ObservableMixin );\n\n/**\n * Upload adapter interface used by the {@link module:upload/filerepository~FileRepository file repository}\n * to handle file upload. An upload adapter is a bridge between the editor and server that handles file uploads.\n * It should contain a logic necessary to initiate an upload process and monitor its progress.\n *\n * Learn how to develop your own upload adapter for CKEditor 5 in the\n * {@glink framework/guides/deep-dive/upload-adapter \"Custom upload adapter\" guide}.\n *\n * @interface UploadAdapter\n */\n\n/**\n * Executes the upload process.\n * This method should return a promise that will resolve when data will be uploaded to server. Promise should be\n * resolved with an object containing information about uploaded file:\n *\n *\t\t{\n *\t\t\tdefault: 'http://server/default-size.image.png'\n *\t\t}\n *\n * Additionally, other image sizes can be provided:\n *\n *\t\t{\n *\t\t\tdefault: 'http://server/default-size.image.png',\n *\t\t\t'160': 'http://server/size-160.image.png',\n *\t\t\t'500': 'http://server/size-500.image.png',\n *\t\t\t'1000': 'http://server/size-1000.image.png',\n *\t\t\t'1052': 'http://server/default-size.image.png'\n *\t\t}\n *\n * NOTE: When returning multiple images, the widest returned one should equal the default one. It is essential to\n * correctly set `width` attribute of the image. See this discussion:\n * https://github.com/ckeditor/ckeditor5-easy-image/issues/4 for more information.\n *\n * Take a look at {@link module:upload/filerepository~UploadAdapter example Adapter implementation} and\n * {@link module:upload/filerepository~FileRepository#createUploadAdapter createUploadAdapter method}.\n *\n * @method module:upload/filerepository~UploadAdapter#upload\n * @returns {Promise.<Object>} Promise that should be resolved when data is uploaded.\n */\n\n/**\n * Aborts the upload process.\n * After aborting it should reject promise returned from {@link #upload upload()}.\n *\n * Take a look at {@link module:upload/filerepository~UploadAdapter example Adapter implementation} and\n * {@link module:upload/filerepository~FileRepository#createUploadAdapter createUploadAdapter method}.\n *\n * @method module:upload/filerepository~UploadAdapter#abort\n */\n\n/**\n * Object returned by {@link module:upload/filerepository~FileLoader#_createFilePromiseWrapper} method\n * to add more control over the initial file promise passed to {@link module:upload/filerepository~FileLoader}.\n *\n * @protected\n * @typedef {Object} module:upload/filerepository~FilePromiseWrapper\n * @property {Promise.<File>} promise Wrapper promise which can be chained for further processing.\n * @property {Function} rejecter Rejects the promise when called.\n * @property {Boolean} isFulfilled Whether original promise is already fulfilled.\n */\n","export default class OpUploadResourceAdapter {\n    constructor(loader, resource, editor) {\n        this.loader = loader;\n        this.resource = resource;\n        this.editor = editor;\n    }\n\n    upload() {\n\t\tconst resource = this.resource;\n        if (!(resource && resource.uploadAttachments)) {\n\t\t\tconst resourceContext = resource ? resource.name : 'Missing context';\n            console.warn(`uploadAttachments not present on context: ${resourceContext}`);\n            return Promise.reject(\"You're not allowed to upload attachments on this resource.\");\n\t\t}\n\n\t\treturn this.loader.file\n\t\t\t.then(file => {\n\t\t\treturn resource\n\t\t\t\t.uploadAttachments([file])\n\t\t\t\t.then((result) => {\n\t\t\t\t\tthis.editor.model.fire('op:attachment-added', result);\n\n\t\t\t\t\treturn this.buildResponse(result[0])\n\t\t\t\t}).catch((error) => {\n\t\t\t\t\tconsole.error(\"Failed upload %O\", error);\n\t\t\t\t});\n\t\t})\n\n\t}\n\n\tbuildResponse(result) {\n\t\treturn { default: result.uploadUrl };\n\t}\n\n    abort() {\n\t\treturn false;\n    }\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module upload/ui/filedialogbuttonview\n */\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport View from '@ckeditor/ckeditor5-ui/src/view';\n\n/**\n * The file dialog button view.\n *\n * This component provides a button that opens the native file selection dialog.\n * It can be used to implement the UI of a file upload feature.\n *\n *\t\tconst view = new FileDialogButtonView( locale );\n *\n *\t\tview.set( {\n *\t\t\tacceptedType: 'image/*',\n *\t\t\tallowMultipleFiles: true\n *\t\t} );\n *\n *\t\tview.buttonView.set( {\n *\t\t\tlabel: t( 'Insert image' ),\n *\t\t\ticon: imageIcon,\n *\t\t\ttooltip: true\n *\t\t} );\n *\n *\t\tview.on( 'done', ( evt, files ) => {\n *\t\t\tfor ( const file of Array.from( files ) ) {\n *\t\t\t\tconsole.log( 'Selected file', file );\n *\t\t\t}\n *\t\t} );\n *\n * @extends module:ui/view~View\n */\nexport default class FileDialogButtonView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The button view of the component.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.buttonView = new ButtonView( locale );\n\n\t\t/**\n\t\t * A hidden `<input>` view used to execute file dialog.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:upload/ui/filedialogbuttonview~FileInputView}\n\t\t */\n\t\tthis._fileInputView = new FileInputView( locale );\n\n\t\t/**\n\t\t * Accepted file types. Can be provided in form of file extensions, media type or one of:\n\t\t * * `audio/*`,\n\t\t * * `video/*`,\n\t\t * * `image/*`.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #acceptedType\n\t\t */\n\t\tthis._fileInputView.bind( 'acceptedType' ).to( this );\n\n\t\t/**\n\t\t * Indicates if multiple files can be selected. Defaults to `true`.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #allowMultipleFiles\n\t\t */\n\t\tthis._fileInputView.bind( 'allowMultipleFiles' ).to( this );\n\n\t\t/**\n\t\t * Fired when file dialog is closed with file selected.\n\t\t *\n\t\t *\t\tview.on( 'done', ( evt, files ) => {\n\t\t *\t\t\tfor ( const file of files ) {\n\t\t *\t\t\t\tconsole.log( 'Selected file', file );\n\t\t *\t\t\t}\n\t\t *\t\t}\n\t\t *\n\t\t * @event done\n\t\t * @param {Array.<File>} files Array of selected files.\n\t\t */\n\t\tthis._fileInputView.delegate( 'done' ).to( this );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-file-dialog-button'\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\tthis.buttonView,\n\t\t\t\tthis._fileInputView\n\t\t\t]\n\t\t} );\n\n\t\tthis.buttonView.on( 'execute', () => {\n\t\t\tthis._fileInputView.open();\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the {@link #buttonView}.\n\t */\n\tfocus() {\n\t\tthis.buttonView.focus();\n\t}\n}\n\n/**\n * The hidden file input view class.\n *\n * @private\n * @extends module:ui/view~View\n */\nclass FileInputView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * Accepted file types. Can be provided in form of file extensions, media type or one of:\n\t\t * * `audio/*`,\n\t\t * * `video/*`,\n\t\t * * `image/*`.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #acceptedType\n\t\t */\n\t\tthis.set( 'acceptedType' );\n\n\t\t/**\n\t\t * Indicates if multiple files can be selected. Defaults to `false`.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #allowMultipleFiles\n\t\t */\n\t\tthis.set( 'allowMultipleFiles', false );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'input',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-hidden'\n\t\t\t\t],\n\t\t\t\ttype: 'file',\n\t\t\t\ttabindex: '-1',\n\t\t\t\taccept: bind.to( 'acceptedType' ),\n\t\t\t\tmultiple: bind.to( 'allowMultipleFiles' )\n\t\t\t},\n\n\t\t\ton: {\n\t\t\t\t// Removing from code coverage since we cannot programmatically set input element files.\n\t\t\t\tchange: bind.to( /* istanbul ignore next */ () => {\n\t\t\t\t\tif ( this.element && this.element.files && this.element.files.length ) {\n\t\t\t\t\t\tthis.fire( 'done', this.element.files );\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.element.value = '';\n\t\t\t\t} )\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Opens file dialog.\n\t */\n\topen() {\n\t\tthis.element.click();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload/utils\n */\n\n/* global fetch, File */\n\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\n\n/**\n * Creates a regular expression used to test for image files.\n *\n *\t\tconst imageType = createImageTypeRegExp( [ 'png', 'jpeg', 'svg+xml', 'vnd.microsoft.icon' ] );\n *\n *\t\tconsole.log( 'is supported image', imageType.test( file.type ) );\n *\n * @param {Array.<String>} types\n * @returns {RegExp}\n */\nexport function createImageTypeRegExp( types ) {\n\t// Sanitize the MIME type name which may include: \"+\", \"-\" or \".\".\n\tconst regExpSafeNames = types.map( type => type.replace( '+', '\\\\+' ) );\n\n\treturn new RegExp( `^image\\\\/(${ regExpSafeNames.join( '|' ) })$` );\n}\n\n/**\n * Creates a promise that fetches the image local source (Base64 or blob) and resolves with a `File` object.\n *\n * @param {module:engine/view/element~Element} image Image whose source to fetch.\n * @returns {Promise.<File>} A promise which resolves when an image source is fetched and converted to a `File` instance.\n * It resolves with a `File` object. If there were any errors during file processing, the promise will be rejected.\n */\nexport function fetchLocalImage( image ) {\n\treturn new Promise( ( resolve, reject ) => {\n\t\tconst imageSrc = image.getAttribute( 'src' );\n\n\t\t// Fetch works asynchronously and so does not block browser UI when processing data.\n\t\tfetch( imageSrc )\n\t\t\t.then( resource => resource.blob() )\n\t\t\t.then( blob => {\n\t\t\t\tconst mimeType = getImageMimeType( blob, imageSrc );\n\t\t\t\tconst ext = mimeType.replace( 'image/', '' );\n\t\t\t\tconst filename = `image.${ ext }`;\n\t\t\t\tconst file = new File( [ blob ], filename, { type: mimeType } );\n\n\t\t\t\tresolve( file );\n\t\t\t} )\n\t\t\t.catch( err => {\n\t\t\t\t// Fetch fails only, if it can't make a request due to a network failure or if anything prevented the request\n\t\t\t\t// from completing, i.e. the Content Security Policy rules. It is not possible to detect the exact cause of failure,\n\t\t\t\t// so we are just trying the fallback solution, if general TypeError is thrown.\n\t\t\t\treturn err && err.name === 'TypeError' ?\n\t\t\t\t\tconvertLocalImageOnCanvas( imageSrc ).then( resolve ).catch( reject ) :\n\t\t\t\t\treject( err );\n\t\t\t} );\n\t} );\n}\n\n/**\n * Checks whether a given node is an image element with a local source (Base64 or blob).\n *\n * @param {module:engine/view/node~Node} node The node to check.\n * @returns {Boolean}\n */\nexport function isLocalImage( node ) {\n\tif ( !node.is( 'element', 'img' ) || !node.getAttribute( 'src' ) ) {\n\t\treturn false;\n\t}\n\n\treturn node.getAttribute( 'src' ).match( /^data:image\\/\\w+;base64,/g ) ||\n\t\tnode.getAttribute( 'src' ).match( /^blob:/g );\n}\n\n// Extracts an image type based on its blob representation or its source.\n//\n// @param {String} src Image `src` attribute value.\n// @param {Blob} blob Image blob representation.\n// @returns {String}\nfunction getImageMimeType( blob, src ) {\n\tif ( blob.type ) {\n\t\treturn blob.type;\n\t} else if ( src.match( /data:(image\\/\\w+);base64/ ) ) {\n\t\treturn src.match( /data:(image\\/\\w+);base64/ )[ 1 ].toLowerCase();\n\t} else {\n\t\t// Fallback to 'jpeg' as common extension.\n\t\treturn 'image/jpeg';\n\t}\n}\n\n// Creates a promise that converts the image local source (Base64 or blob) to a blob using canvas and resolves\n// with a `File` object.\n//\n// @param {String} imageSrc Image `src` attribute value.\n// @returns {Promise.<File>} A promise which resolves when an image source is converted to a `File` instance.\n// It resolves with a `File` object. If there were any errors during file processing, the promise will be rejected.\nfunction convertLocalImageOnCanvas( imageSrc ) {\n\treturn getBlobFromCanvas( imageSrc ).then( blob => {\n\t\tconst mimeType = getImageMimeType( blob, imageSrc );\n\t\tconst ext = mimeType.replace( 'image/', '' );\n\t\tconst filename = `image.${ ext }`;\n\n\t\treturn new File( [ blob ], filename, { type: mimeType } );\n\t} );\n}\n\n// Creates a promise that resolves with a `Blob` object converted from the image source (Base64 or blob).\n//\n// @param {String} imageSrc Image `src` attribute value.\n// @returns {Promise.<Blob>}\nfunction getBlobFromCanvas( imageSrc ) {\n\treturn new Promise( ( resolve, reject ) => {\n\t\tconst image = global.document.createElement( 'img' );\n\n\t\timage.addEventListener( 'load', () => {\n\t\t\tconst canvas = global.document.createElement( 'canvas' );\n\n\t\t\tcanvas.width = image.width;\n\t\t\tcanvas.height = image.height;\n\n\t\t\tconst ctx = canvas.getContext( '2d' );\n\n\t\t\tctx.drawImage( image, 0, 0 );\n\n\t\t\tcanvas.toBlob( blob => blob ? resolve( blob ) : reject() );\n\t\t} );\n\n\t\timage.addEventListener( 'error', () => reject() );\n\n\t\timage.src = imageSrc;\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload/imageuploadui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport FileDialogButtonView from '@ckeditor/ckeditor5-upload/src/ui/filedialogbuttonview';\nimport { createImageTypeRegExp } from './utils';\n\nimport imageIcon from '@ckeditor/ckeditor5-core/theme/icons/image.svg';\n\n/**\n * The image upload button plugin.\n *\n * For a detailed overview, check the {@glink features/image-upload/image-upload Image upload feature} documentation.\n *\n * Adds the `'imageUpload'` button to the {@link module:ui/componentfactory~ComponentFactory UI component factory}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUploadUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageUploadUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Setup `imageUpload` button.\n\t\teditor.ui.componentFactory.add( 'imageUpload', locale => {\n\t\t\tconst view = new FileDialogButtonView( locale );\n\t\t\tconst command = editor.commands.get( 'imageUpload' );\n\t\t\tconst imageTypes = editor.config.get( 'image.upload.types' );\n\t\t\tconst imageTypesRegExp = createImageTypeRegExp( imageTypes );\n\n\t\t\tview.set( {\n\t\t\t\tacceptedType: imageTypes.map( type => `image/${ type }` ).join( ',' ),\n\t\t\t\tallowMultipleFiles: true\n\t\t\t} );\n\n\t\t\tview.buttonView.set( {\n\t\t\t\tlabel: t( 'Insert image' ),\n\t\t\t\ticon: imageIcon,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.buttonView.bind( 'isEnabled' ).to( command );\n\n\t\t\tview.on( 'done', ( evt, files ) => {\n\t\t\t\tconst imagesToUpload = Array.from( files ).filter( file => imageTypesRegExp.test( file.type ) );\n\n\t\t\t\tif ( imagesToUpload.length ) {\n\t\t\t\t\teditor.execute( 'imageUpload', { file: imagesToUpload } );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 2.97V4.5H3.2v10.12l3.71-4.08zm10.27-7.51c.6 0 1.09.47 1.09 1.05v11.84c0 .59-.49 1.06-1.09 1.06H2.79c-.6 0-1.09-.47-1.09-1.06V4.08c0-.58.49-1.05 1.1-1.05h14.38zm-5.22 5.56a1.96 1.96 0 1 1 3.4-1.96 1.96 1.96 0 0 1-3.4 1.96z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/utils\n */\n\nimport { findOptimalInsertionPosition, isWidget, toWidget } from '@ckeditor/ckeditor5-widget/src/utils';\n\n/**\n * Converts a given {@link module:engine/view/element~Element} to an image widget:\n * * Adds a {@link module:engine/view/element~Element#_setCustomProperty custom property} allowing to recognize the image widget element.\n * * Calls the {@link module:widget/utils~toWidget} function with the proper element's label creator.\n *\n * @param {module:engine/view/element~Element} viewElement\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer An instance of the view writer.\n * @param {String} label The element's label. It will be concatenated with the image `alt` attribute if one is present.\n * @returns {module:engine/view/element~Element}\n */\nexport function toImageWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( 'image', true, viewElement );\n\n\treturn toWidget( viewElement, writer, { label: labelCreator } );\n\n\tfunction labelCreator() {\n\t\tconst imgElement = getViewImgFromWidget( viewElement );\n\t\tconst altText = imgElement.getAttribute( 'alt' );\n\n\t\treturn altText ? `${ altText } ${ label }` : label;\n\t}\n}\n\n/**\n * Checks if a given view element is an image widget.\n *\n * @param {module:engine/view/element~Element} viewElement\n * @returns {Boolean}\n */\nexport function isImageWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( 'image' ) && isWidget( viewElement );\n}\n\n/**\n * Returns an image widget editing view element if one is selected.\n *\n * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} selection\n * @returns {module:engine/view/element~Element|null}\n */\nexport function getSelectedImageWidget( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\tif ( viewElement && isImageWidget( viewElement ) ) {\n\t\treturn viewElement;\n\t}\n\n\treturn null;\n}\n\n/**\n * Checks if the provided model element is an `image`.\n *\n * @param {module:engine/model/element~Element} modelElement\n * @returns {Boolean}\n */\nexport function isImage( modelElement ) {\n\treturn !!modelElement && modelElement.is( 'element', 'image' );\n}\n\n/**\n * Handles inserting single file. This method unifies image insertion using {@link module:widget/utils~findOptimalInsertionPosition} method.\n *\n *\t\tinsertImage( model, { src: 'path/to/image.jpg' } );\n *\n * @param {module:engine/model/model~Model} model\n * @param {Object} [attributes={}] Attributes of inserted image\n * @param {module:engine/model/position~Position} [insertPosition] Position to insert the image. If not specified,\n * the {@link module:widget/utils~findOptimalInsertionPosition} logic will be applied.\n */\nexport function insertImage( model, attributes = {}, insertPosition = null ) {\n\tmodel.change( writer => {\n\t\tconst imageElement = writer.createElement( 'image', attributes );\n\n\t\tconst insertAtSelection = insertPosition || findOptimalInsertionPosition( model.document.selection, model );\n\n\t\tmodel.insertContent( imageElement, insertAtSelection );\n\n\t\t// Inserting an image might've failed due to schema regulations.\n\t\tif ( imageElement.parent ) {\n\t\t\twriter.setSelection( imageElement, 'on' );\n\t\t}\n\t} );\n}\n\n/**\n * Checks if image can be inserted at current model selection.\n *\n * @param {module:engine/model/model~Model} model\n * @returns {Boolean}\n */\nexport function isImageAllowed( model ) {\n\tconst schema = model.schema;\n\tconst selection = model.document.selection;\n\n\treturn isImageAllowedInParent( selection, schema, model ) &&\n\t\t!checkSelectionOnObject( selection, schema ) &&\n\t\tisInOtherImage( selection );\n}\n\n/**\n * Get view `<img>` element from the view widget (`<figure>`).\n *\n * Assuming that image is always a first child of a widget (ie. `figureView.getChild( 0 )`) is unsafe as other features might\n * inject their own elements to the widget.\n *\n * The `<img>` can be wrapped to other elements, e.g. `<a>`. Nested check required.\n *\n * @param {module:engine/view/element~Element} figureView\n * @returns {module:engine/view/element~Element}\n */\nexport function getViewImgFromWidget( figureView ) {\n\tconst figureChildren = [];\n\n\tfor ( const figureChild of figureView.getChildren() ) {\n\t\tfigureChildren.push( figureChild );\n\n\t\tif ( figureChild.is( 'element' ) ) {\n\t\t\tfigureChildren.push( ...figureChild.getChildren() );\n\t\t}\n\t}\n\n\treturn figureChildren.find( viewChild => viewChild.is( 'element', 'img' ) );\n}\n\n// Checks if image is allowed by schema in optimal insertion parent.\n//\n// @returns {Boolean}\nfunction isImageAllowedInParent( selection, schema, model ) {\n\tconst parent = getInsertImageParent( selection, model );\n\n\treturn schema.checkChild( parent, 'image' );\n}\n\n// Check if selection is on object.\n//\n// @returns {Boolean}\nfunction checkSelectionOnObject( selection, schema ) {\n\tconst selectedElement = selection.getSelectedElement();\n\n\treturn selectedElement && schema.isObject( selectedElement );\n}\n\n// Checks if selection is placed in other image (ie. in caption).\nfunction isInOtherImage( selection ) {\n\treturn [ ...selection.focus.getAncestors() ].every( ancestor => !ancestor.is( 'element', 'image' ) );\n}\n\n// Returns a node that will be used to insert image with `model.insertContent` to check if image can be placed there.\nfunction getInsertImageParent( selection, model ) {\n\tconst insertAt = findOptimalInsertionPosition( selection, model );\n\n\tconst parent = insertAt.parent;\n\n\tif ( parent.isEmpty && !parent.is( 'element', '$root' ) ) {\n\t\treturn parent.parent;\n\t}\n\n\treturn parent;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload/imageuploadprogress\n */\n\n/* globals setTimeout */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport FileRepository from '@ckeditor/ckeditor5-upload/src/filerepository';\nimport uploadingPlaceholder from '../../theme/icons/image_placeholder.svg';\nimport { getViewImgFromWidget } from '../image/utils';\n\nimport '../../theme/imageuploadprogress.css';\nimport '../../theme/imageuploadicon.css';\nimport '../../theme/imageuploadloader.css';\n\n/**\n * The image upload progress plugin.\n * It shows a placeholder when the image is read from the disk and a progress bar while the image is uploading.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUploadProgress extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The image placeholder that is displayed before real image data can be accessed.\n\t\t *\n\t\t * @protected\n\t\t * @member {String} #placeholder\n\t\t */\n\t\tthis.placeholder = 'data:image/svg+xml;utf8,' + encodeURIComponent( uploadingPlaceholder );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Upload status change - update image's view according to that status.\n\t\teditor.editing.downcastDispatcher.on( 'attribute:uploadStatus:image', ( ...args ) => this.uploadStatusChange( ...args ) );\n\t}\n\n\t/**\n\t * This method is called each time the image `uploadStatus` attribute is changed.\n\t *\n\t * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n\t */\n\tuploadStatusChange( evt, data, conversionApi ) {\n\t\tconst editor = this.editor;\n\t\tconst modelImage = data.item;\n\t\tconst uploadId = modelImage.getAttribute( 'uploadId' );\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst fileRepository = editor.plugins.get( FileRepository );\n\t\tconst status = uploadId ? data.attributeNewValue : null;\n\t\tconst placeholder = this.placeholder;\n\t\tconst viewFigure = editor.editing.mapper.toViewElement( modelImage );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\tif ( status == 'reading' ) {\n\t\t\t// Start \"appearing\" effect and show placeholder with infinite progress bar on the top\n\t\t\t// while image is read from disk.\n\t\t\t_startAppearEffect( viewFigure, viewWriter );\n\t\t\t_showPlaceholder( placeholder, viewFigure, viewWriter );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Show progress bar on the top of the image when image is uploading.\n\t\tif ( status == 'uploading' ) {\n\t\t\tconst loader = fileRepository.loaders.get( uploadId );\n\n\t\t\t// Start appear effect if needed - see https://github.com/ckeditor/ckeditor5-image/issues/191.\n\t\t\t_startAppearEffect( viewFigure, viewWriter );\n\n\t\t\tif ( !loader ) {\n\t\t\t\t// There is no loader associated with uploadId - this means that image came from external changes.\n\t\t\t\t// In such cases we still want to show the placeholder until image is fully uploaded.\n\t\t\t\t// Show placeholder if needed - see https://github.com/ckeditor/ckeditor5-image/issues/191.\n\t\t\t\t_showPlaceholder( placeholder, viewFigure, viewWriter );\n\t\t\t} else {\n\t\t\t\t// Hide placeholder and initialize progress bar showing upload progress.\n\t\t\t\t_hidePlaceholder( viewFigure, viewWriter );\n\t\t\t\t_showProgressBar( viewFigure, viewWriter, loader, editor.editing.view );\n\t\t\t\t_displayLocalImage( viewFigure, viewWriter, loader );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\tif ( status == 'complete' && fileRepository.loaders.get( uploadId ) ) {\n\t\t\t_showCompleteIcon( viewFigure, viewWriter, editor.editing.view );\n\t\t}\n\n\t\t// Clean up.\n\t\t_hideProgressBar( viewFigure, viewWriter );\n\t\t_hidePlaceholder( viewFigure, viewWriter );\n\t\t_stopAppearEffect( viewFigure, viewWriter );\n\t}\n}\n\n// Adds ck-appear class to the image figure if one is not already applied.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _startAppearEffect( viewFigure, writer ) {\n\tif ( !viewFigure.hasClass( 'ck-appear' ) ) {\n\t\twriter.addClass( 'ck-appear', viewFigure );\n\t}\n}\n\n// Removes ck-appear class to the image figure if one is not already removed.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _stopAppearEffect( viewFigure, writer ) {\n\twriter.removeClass( 'ck-appear', viewFigure );\n}\n\n// Shows placeholder together with infinite progress bar on given image figure.\n//\n// @param {String} Data-uri with a svg placeholder.\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _showPlaceholder( placeholder, viewFigure, writer ) {\n\tif ( !viewFigure.hasClass( 'ck-image-upload-placeholder' ) ) {\n\t\twriter.addClass( 'ck-image-upload-placeholder', viewFigure );\n\t}\n\n\tconst viewImg = getViewImgFromWidget( viewFigure );\n\n\tif ( viewImg.getAttribute( 'src' ) !== placeholder ) {\n\t\twriter.setAttribute( 'src', placeholder, viewImg );\n\t}\n\n\tif ( !_getUIElement( viewFigure, 'placeholder' ) ) {\n\t\twriter.insert( writer.createPositionAfter( viewImg ), _createPlaceholder( writer ) );\n\t}\n}\n\n// Removes placeholder together with infinite progress bar on given image figure.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _hidePlaceholder( viewFigure, writer ) {\n\tif ( viewFigure.hasClass( 'ck-image-upload-placeholder' ) ) {\n\t\twriter.removeClass( 'ck-image-upload-placeholder', viewFigure );\n\t}\n\n\t_removeUIElement( viewFigure, writer, 'placeholder' );\n}\n\n// Shows progress bar displaying upload progress.\n// Attaches it to the file loader to update when upload percentace is changed.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {module:upload/filerepository~FileLoader} loader\n// @param {module:engine/view/view~View} view\nfunction _showProgressBar( viewFigure, writer, loader, view ) {\n\tconst progressBar = _createProgressBar( writer );\n\twriter.insert( writer.createPositionAt( viewFigure, 'end' ), progressBar );\n\n\t// Update progress bar width when uploadedPercent is changed.\n\tloader.on( 'change:uploadedPercent', ( evt, name, value ) => {\n\t\tview.change( writer => {\n\t\t\twriter.setStyle( 'width', value + '%', progressBar );\n\t\t} );\n\t} );\n}\n\n// Hides upload progress bar.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _hideProgressBar( viewFigure, writer ) {\n\t_removeUIElement( viewFigure, writer, 'progressBar' );\n}\n\n// Shows complete icon and hides after a certain amount of time.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {module:engine/view/view~View} view\nfunction _showCompleteIcon( viewFigure, writer, view ) {\n\tconst completeIcon = writer.createUIElement( 'div', { class: 'ck-image-upload-complete-icon' } );\n\n\twriter.insert( writer.createPositionAt( viewFigure, 'end' ), completeIcon );\n\n\tsetTimeout( () => {\n\t\tview.change( writer => writer.remove( writer.createRangeOn( completeIcon ) ) );\n\t}, 3000 );\n}\n\n// Create progress bar element using {@link module:engine/view/uielement~UIElement}.\n//\n// @private\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @returns {module:engine/view/uielement~UIElement}\nfunction _createProgressBar( writer ) {\n\tconst progressBar = writer.createUIElement( 'div', { class: 'ck-progress-bar' } );\n\n\twriter.setCustomProperty( 'progressBar', true, progressBar );\n\n\treturn progressBar;\n}\n\n// Create placeholder element using {@link module:engine/view/uielement~UIElement}.\n//\n// @private\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @returns {module:engine/view/uielement~UIElement}\nfunction _createPlaceholder( writer ) {\n\tconst placeholder = writer.createUIElement( 'div', { class: 'ck-upload-placeholder-loader' } );\n\n\twriter.setCustomProperty( 'placeholder', true, placeholder );\n\n\treturn placeholder;\n}\n\n// Returns {@link module:engine/view/uielement~UIElement} of given unique property from image figure element.\n// Returns `undefined` if element is not found.\n//\n// @private\n// @param {module:engine/view/element~Element} imageFigure\n// @param {String} uniqueProperty\n// @returns {module:engine/view/uielement~UIElement|undefined}\nfunction _getUIElement( imageFigure, uniqueProperty ) {\n\tfor ( const child of imageFigure.getChildren() ) {\n\t\tif ( child.getCustomProperty( uniqueProperty ) ) {\n\t\t\treturn child;\n\t\t}\n\t}\n}\n\n// Removes {@link module:engine/view/uielement~UIElement} of given unique property from image figure element.\n//\n// @private\n// @param {module:engine/view/element~Element} imageFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {String} uniqueProperty\nfunction _removeUIElement( viewFigure, writer, uniqueProperty ) {\n\tconst element = _getUIElement( viewFigure, uniqueProperty );\n\n\tif ( element ) {\n\t\twriter.remove( writer.createRangeOn( element ) );\n\t}\n}\n\n// Displays local data from file loader.\n//\n// @param {module:engine/view/element~Element} imageFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {module:upload/filerepository~FileLoader} loader\nfunction _displayLocalImage( viewFigure, writer, loader ) {\n\tif ( loader.data ) {\n\t\tconst viewImg = getViewImgFromWidget( viewFigure );\n\n\t\twriter.setAttribute( 'src', loader.data, viewImg );\n\t}\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 700 250\\\"><rect rx=\\\"4\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/notification/notification\n */\n\n/* globals window */\n\nimport ContextPlugin from '@ckeditor/ckeditor5-core/src/contextplugin';\n\n/**\n * The Notification plugin.\n *\n * This plugin sends a few types of notifications: `success`, `info` and `warning`. The notifications need to be\n * handled and displayed by a plugin responsible for showing the UI of the notifications. Using this plugin for dispatching\n * notifications makes it possible to switch the notifications UI.\n *\n * Note that every unhandled and not stopped `warning` notification will be displayed as a system alert.\n * See {@link module:ui/notification/notification~Notification#showWarning}.\n *\n * @extends module:core/contextplugin~ContextPlugin\n */\nexport default class Notification extends ContextPlugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Notification';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\t// Each unhandled and not stopped `show:warning` event is displayed as a system alert.\n\t\tthis.on( 'show:warning', ( evt, data ) => {\n\t\t\twindow.alert( data.message ); // eslint-disable-line no-alert\n\t\t}, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * Shows a success notification.\n\t *\n\t * By default, it fires the {@link #event:show:success `show:success` event} with the given `data`. The event namespace can be extended\n\t * using the `data.namespace` option. For example:\n\t *\n\t * \t\tshowSuccess( 'Image is uploaded.', {\n\t * \t\t\tnamespace: 'upload:image'\n\t * \t\t} );\n\t *\n\t * will fire the `show:success:upload:image` event.\n\t *\n\t * You can provide the title of the notification:\n\t *\n\t *\t\tshowSuccess( 'Image is uploaded.', {\n\t *\t\t\ttitle: 'Image upload success'\n\t *\t\t} );\n\t *\n\t * @param {String} message The content of the notification.\n\t * @param {Object} [data={}] Additional data.\n\t * @param {String} [data.namespace] Additional event namespace.\n\t * @param {String} [data.title] The title of the notification.\n\t */\n\tshowSuccess( message, data = {} ) {\n\t\tthis._showNotification( {\n\t\t\tmessage,\n\t\t\ttype: 'success',\n\t\t\tnamespace: data.namespace,\n\t\t\ttitle: data.title\n\t\t} );\n\t}\n\n\t/**\n\t * Shows an information notification.\n\t *\n\t * By default, it fires the {@link #event:show:info `show:info` event} with the given `data`. The event namespace can be extended\n\t * using the `data.namespace` option. For example:\n\t *\n\t * \t\tshowInfo( 'Editor is offline.', {\n\t * \t\t\tnamespace: 'editor:status'\n\t * \t\t} );\n\t *\n\t * will fire the `show:info:editor:status` event.\n\t *\n\t * You can provide the title of the notification:\n\t *\n\t *\t\tshowInfo( 'Editor is offline.', {\n\t *\t\t\ttitle: 'Network information'\n\t *\t\t} );\n\t *\n\t * @param {String} message The content of the notification.\n\t * @param {Object} [data={}] Additional data.\n\t * @param {String} [data.namespace] Additional event namespace.\n\t * @param {String} [data.title] The title of the notification.\n\t */\n\tshowInfo( message, data = {} ) {\n\t\tthis._showNotification( {\n\t\t\tmessage,\n\t\t\ttype: 'info',\n\t\t\tnamespace: data.namespace,\n\t\t\ttitle: data.title\n\t\t} );\n\t}\n\n\t/**\n\t * Shows a warning notification.\n\t *\n\t * By default, it fires the {@link #event:show:warning `show:warning` event}\n\t * with the given `data`. The event namespace can be extended using the `data.namespace` option. For example:\n\t *\n\t * \t\tshowWarning( 'Image upload error.', {\n\t * \t\t\tnamespace: 'upload:image'\n\t * \t\t} );\n\t *\n\t * will fire the `show:warning:upload:image` event.\n\t *\n\t * You can provide the title of the notification:\n\t *\n\t *\t\tshowWarning( 'Image upload error.', {\n\t *\t\t\ttitle: 'Upload failed'\n\t *\t\t} );\n\t *\n\t * Note that each unhandled and not stopped `warning` notification will be displayed as a system alert.\n\t * The plugin responsible for displaying warnings should `stop()` the event to prevent displaying it as an alert:\n\t *\n\t * \t\tnotifications.on( 'show:warning', ( evt, data ) => {\n\t * \t\t\t// Do something with the data.\n\t *\n\t * \t\t\t// Stop this event to prevent displaying it as an alert.\n\t * \t\t\tevt.stop();\n\t * \t\t} );\n\t *\n\t * You can attach many listeners to the same event and `stop()` this event in a listener with a low priority:\n\t *\n\t * \t\tnotifications.on( 'show:warning', ( evt, data ) => {\n\t * \t\t\t// Show the warning in the UI, but do not stop it.\n\t * \t\t} );\n\t *\n\t * \t\tnotifications.on( 'show:warning', ( evt, data ) => {\n\t * \t\t\t// Log the warning to some error tracker.\n\t *\n\t * \t\t\t// Stop this event to prevent displaying it as an alert.\n\t * \t\t\tevt.stop();\n\t * \t\t}, { priority: 'low' } );\n\t *\n\t * @param {String} message The content of the notification.\n\t * @param {Object} [data={}] Additional data.\n\t * @param {String} [data.namespace] Additional event namespace.\n\t * @param {String} [data.title] The title of the notification.\n\t */\n\tshowWarning( message, data = {} ) {\n\t\tthis._showNotification( {\n\t\t\tmessage,\n\t\t\ttype: 'warning',\n\t\t\tnamespace: data.namespace,\n\t\t\ttitle: data.title\n\t\t} );\n\t}\n\n\t/**\n\t * Fires the `show` event with the specified type, namespace and message.\n\t *\n\t * @private\n\t * @param {Object} data The message data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {'success'|'info'|'warning'} data.type The type of the message.\n\t * @param {String} [data.namespace] Additional event namespace.\n\t * @param {String} [data.title=''] The title of the notification.\n\t */\n\t_showNotification( data ) {\n\t\tconst event = `show:${ data.type }` + ( data.namespace ? `:${ data.namespace }` : '' );\n\n\t\tthis.fire( event, {\n\t\t\tmessage: data.message,\n\t\t\ttype: data.type,\n\t\t\ttitle: data.title || ''\n\t\t} );\n\t}\n\n\t/**\n\t * Fired when one of the `showSuccess()`, `showInfo()`, `showWarning()` methods is called.\n\t *\n\t * @event show\n\t * @param {Object} data The notification data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {String} data.title The title of the notification.\n\t * @param {'success'|'info'|'warning'} data.type The type of the notification.\n\t */\n\n\t/**\n\t * Fired when the `showSuccess()` method is called.\n\t *\n\t * @event show:success\n\t * @param {Object} data The notification data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {String} data.title The title of the notification.\n\t * @param {'success'} data.type The type of the notification.\n\t */\n\n\t/**\n\t * Fired when the `showInfo()` method is called.\n\t *\n\t * @event show:info\n\t * @param {Object} data The notification data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {String} data.title The title of the notification.\n\t * @param {'info'} data.type The type of the notification.\n\t */\n\n\t/**\n\t * Fired when the `showWarning()` method is called.\n\t *\n\t * When this event is not handled or stopped by `event.stop()`, the `data.message` of this event will\n\t * be automatically displayed as a system alert.\n\t *\n\t * @event show:warning\n\t * @param {Object} data The notification data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {String} data.title The title of the notification.\n\t * @param {'warning'} data.type The type of the notification.\n\t */\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/datatransfer\n */\n\n/**\n * Facade over the native [`DataTransfer`](https://developer.mozilla.org/en-US/docs/Web/API/DataTransfer) object.\n */\nexport default class DataTransfer {\n\tconstructor( nativeDataTransfer ) {\n\t\t/**\n\t\t * The array of files created from the native `DataTransfer#files` or `DataTransfer#items`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<File>} #files\n\t\t */\n\t\tthis.files = getFiles( nativeDataTransfer );\n\n\t\t/**\n\t\t * The native DataTransfer object.\n\t\t *\n\t\t * @private\n\t\t * @member {DataTransfer} #_native\n\t\t */\n\t\tthis._native = nativeDataTransfer;\n\t}\n\n\t/**\n\t * Returns an array of available native content types.\n\t *\n\t * @returns {Array.<String>}\n\t */\n\tget types() {\n\t\treturn this._native.types;\n\t}\n\n\t/**\n\t * Gets data from the data transfer by its mime type.\n\t *\n\t *\t\tdataTransfer.getData( 'text/plain' );\n\t *\n\t * @param {String} type The mime type. E.g. `text/html` or `text/plain`.\n\t * @returns {String}\n\t */\n\tgetData( type ) {\n\t\treturn this._native.getData( type );\n\t}\n\n\t/**\n\t * Sets data in the data transfer.\n\t *\n\t * @param {String} type The mime type. E.g. `text/html` or `text/plain`.\n\t * @param {String} data\n\t */\n\tsetData( type, data ) {\n\t\tthis._native.setData( type, data );\n\t}\n}\n\nfunction getFiles( nativeDataTransfer ) {\n\t// DataTransfer.files and items are Array-like and might not have an iterable interface.\n\tconst files = nativeDataTransfer.files ? Array.from( nativeDataTransfer.files ) : [];\n\tconst items = nativeDataTransfer.items ? Array.from( nativeDataTransfer.items ) : [];\n\n\tif ( files.length ) {\n\t\treturn files;\n\t}\n\t// Chrome have empty DataTransfer.files, but let get files through the items interface.\n\treturn items\n\t\t.filter( item => item.kind === 'file' )\n\t\t.map( item => item.getAsFile() );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/clipboardobserver\n */\n\nimport DomEventObserver from '@ckeditor/ckeditor5-engine/src/view/observer/domeventobserver';\nimport EventInfo from '@ckeditor/ckeditor5-utils/src/eventinfo';\nimport DataTransfer from './datatransfer';\n\n/**\n * Clipboard events observer.\n *\n * Fires the following events:\n *\n * * {@link module:engine/view/document~Document#event:clipboardInput}\n * * {@link module:engine/view/document~Document#event:dragover}\n * * {@link module:engine/view/document~Document#event:drop}\n * * {@link module:engine/view/document~Document#event:paste}\n * * {@link module:engine/view/document~Document#event:copy}\n * * {@link module:engine/view/document~Document#event:cut}\n *\n * Note that this observer is not available by default (it is not added by the engine).\n * To make it available, it needs to be added to {@link module:engine/view/document~Document} by\n * the {@link module:engine/view/view~View#addObserver `View#addObserver()`} method. You can also load the\n * {@link module:clipboard/clipboard~Clipboard} plugin which adds this observer automatically (because it uses it).\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class ClipboardObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tconst viewDocument = this.document;\n\n\t\tthis.domEventType = [ 'paste', 'copy', 'cut', 'drop', 'dragover' ];\n\n\t\tthis.listenTo( viewDocument, 'paste', handleInput, { priority: 'low' } );\n\t\tthis.listenTo( viewDocument, 'drop', handleInput, { priority: 'low' } );\n\n\t\tfunction handleInput( evt, data ) {\n\t\t\tdata.preventDefault();\n\n\t\t\tconst targetRanges = data.dropRange ? [ data.dropRange ] : Array.from( viewDocument.selection.getRanges() );\n\n\t\t\tconst eventInfo = new EventInfo( viewDocument, 'clipboardInput' );\n\n\t\t\tviewDocument.fire( eventInfo, {\n\t\t\t\tdataTransfer: data.dataTransfer,\n\t\t\t\ttargetRanges\n\t\t\t} );\n\n\t\t\t// If CKEditor handled the input, do not bubble the original event any further.\n\t\t\t// This helps external integrations recognize that fact and act accordingly.\n\t\t\t// https://github.com/ckeditor/ckeditor5-upload/issues/92\n\t\t\tif ( eventInfo.stop.called ) {\n\t\t\t\tdata.stopPropagation();\n\t\t\t}\n\t\t}\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tconst evtData = {\n\t\t\tdataTransfer: new DataTransfer( domEvent.clipboardData ? domEvent.clipboardData : domEvent.dataTransfer )\n\t\t};\n\n\t\tif ( domEvent.type == 'drop' ) {\n\t\t\tevtData.dropRange = getDropViewRange( this.view, domEvent );\n\t\t}\n\n\t\tthis.fire( domEvent.type, domEvent, evtData );\n\t}\n}\n\nfunction getDropViewRange( view, domEvent ) {\n\tconst domDoc = domEvent.target.ownerDocument;\n\tconst x = domEvent.clientX;\n\tconst y = domEvent.clientY;\n\tlet domRange;\n\n\t// Webkit & Blink.\n\tif ( domDoc.caretRangeFromPoint && domDoc.caretRangeFromPoint( x, y ) ) {\n\t\tdomRange = domDoc.caretRangeFromPoint( x, y );\n\t}\n\t// FF.\n\telse if ( domEvent.rangeParent ) {\n\t\tdomRange = domDoc.createRange();\n\t\tdomRange.setStart( domEvent.rangeParent, domEvent.rangeOffset );\n\t\tdomRange.collapse( true );\n\t}\n\n\tif ( domRange ) {\n\t\treturn view.domConverter.domRangeToView( domRange );\n\t} else {\n\t\treturn view.document.selection.getFirstRange();\n\t}\n}\n\n/**\n * Fired as a continuation of the {@link #event:paste} and {@link #event:drop} events.\n *\n * It is a part of the {@glink framework/guides/deep-dive/clipboard#input-pipeline \"clipboard input pipeline\"}.\n *\n * Fired with a `dataTransfer` which comes from the clipboard and whose content should be processed\n * and inserted into the editor.\n *\n * Note that this event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by the {@link module:engine/view/view~View#addObserver} method.\n * This is done by the {@link module:clipboard/clipboard~Clipboard} feature. If it is not loaded, it must be done manually.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @see module:clipboard/clipboard~Clipboard\n * @event module:engine/view/document~Document#event:clipboardInput\n * @param {Object} data Event data.\n * @param {module:clipboard/datatransfer~DataTransfer} data.dataTransfer The data transfer instance.\n * @param {Array.<module:engine/view/range~Range>} data.targetRanges Ranges which are the target of the operation\n * (usually – into which the content should be inserted).\n * If clipboard input was triggered by a paste operation, then these are the selection ranges. If by a drop operation,\n * then it is the drop position (which can be different than the selection at the moment of drop).\n */\n\n/**\n * Fired when the user drags the content over one of the editables.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * Note that this event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by the {@link module:engine/view/view~View#addObserver} method.\n * This is done by the {@link module:clipboard/clipboard~Clipboard} feature. If it is not loaded, it must be done manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:dragover\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user dropped the content into one of the editables.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * Note that this event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by the {@link module:engine/view/view~View#addObserver} method.\n * This is done by the {@link module:clipboard/clipboard~Clipboard} feature. If it is not loaded, it must be done manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:drop\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n * @param {module:engine/view/range~Range} dropRange The position into which the content is dropped.\n */\n\n/**\n * Fired when the user pasted the content into one of the editables.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * Note that this event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by the {@link module:engine/view/view~View#addObserver} method.\n * This is done by the {@link module:clipboard/clipboard~Clipboard} feature. If it is not loaded, it must be done manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:paste\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user copied the content from one of the editables.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * Note that this event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by the {@link module:engine/view/view~View#addObserver} method.\n * This is done by the {@link module:clipboard/clipboard~Clipboard} feature. If it is not loaded, it must be done manually.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @event module:engine/view/document~Document#event:copy\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user cut the content from one of the editables.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * Note that this event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by the {@link module:engine/view/view~View#addObserver} method.\n * This is done by the {@link module:clipboard/clipboard~Clipboard} feature. If it is not loaded, it must be done manually.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @event module:engine/view/document~Document#event:cut\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * The value of the {@link module:engine/view/document~Document#event:paste},\n * {@link module:engine/view/document~Document#event:copy} and {@link module:engine/view/document~Document#event:cut} events.\n *\n * In order to access the clipboard data, use the `dataTransfer` property.\n *\n * @class module:clipboard/clipboardobserver~ClipboardEventData\n * @extends module:engine/view/observer/domeventdata~DomEventData\n */\n\n/**\n * The data transfer instance.\n *\n * @readonly\n * @member {module:clipboard/datatransfer~DataTransfer} module:clipboard/clipboardobserver~ClipboardEventData#dataTransfer\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/clipboard\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport ClipboardObserver from './clipboardobserver';\n\n/**\n * The plugin detects the user's intention to paste plain text.\n *\n * For example, it detects <kbd>Ctrl/Cmd</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> keystroke.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class PastePlainText extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'PastePlainText';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst view = this.editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tlet shiftPressed = false;\n\n\t\tview.addObserver( ClipboardObserver );\n\n\t\tthis.listenTo( viewDocument, 'keydown', ( evt, data ) => {\n\t\t\tshiftPressed = data.shiftKey;\n\t\t} );\n\n\t\tthis.listenTo( viewDocument, 'clipboardInput', ( evt, data ) => {\n\t\t\tif ( shiftPressed ) {\n\t\t\t\tdata.asPlainText = true;\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/utils/viewtoplaintext\n */\n\n// Elements which should not have empty-line padding.\n// Most `view.ContainerElement` want to be separate by new-line, but some are creating one structure\n// together (like `<li>`) so it is better to separate them by only one \"\\n\".\nconst smallPaddingElements = [ 'figcaption', 'li' ];\n\n/**\n * Converts {@link module:engine/view/item~Item view item} and all of its children to plain text.\n *\n * @param {module:engine/view/item~Item} viewItem View item to convert.\n * @returns {String} Plain text representation of `viewItem`.\n */\nexport default function viewToPlainText( viewItem ) {\n\tlet text = '';\n\n\tif ( viewItem.is( '$text' ) || viewItem.is( '$textProxy' ) ) {\n\t\t// If item is `Text` or `TextProxy` simple take its text data.\n\t\ttext = viewItem.data;\n\t} else if ( viewItem.is( 'element', 'img' ) && viewItem.hasAttribute( 'alt' ) ) {\n\t\t// Special case for images - use alt attribute if it is provided.\n\t\ttext = viewItem.getAttribute( 'alt' );\n\t} else if ( viewItem.is( 'element', 'br' ) ) {\n\t\t// A soft break should be converted into a single line break (#8045).\n\t\ttext = '\\n';\n\t} else {\n\t\t// Other elements are document fragments, attribute elements or container elements.\n\t\t// They don't have their own text value, so convert their children.\n\t\tlet prev = null;\n\n\t\tfor ( const child of viewItem.getChildren() ) {\n\t\t\tconst childText = viewToPlainText( child );\n\n\t\t\t// Separate container element children with one or more new-line characters.\n\t\t\tif ( prev && ( prev.is( 'containerElement' ) || child.is( 'containerElement' ) ) ) {\n\t\t\t\tif ( smallPaddingElements.includes( prev.name ) || smallPaddingElements.includes( child.name ) ) {\n\t\t\t\t\ttext += '\\n';\n\t\t\t\t} else {\n\t\t\t\t\ttext += '\\n\\n';\n\t\t\t\t}\n\t\t\t}\n\n\t\t\ttext += childText;\n\t\t\tprev = child;\n\t\t}\n\t}\n\n\treturn text;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/clipboard\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport PastePlainText from './pasteplaintext';\n\nimport ClipboardObserver from './clipboardobserver';\n\nimport plainTextToHtml from './utils/plaintexttohtml';\nimport normalizeClipboardHtml from './utils/normalizeclipboarddata';\nimport viewToPlainText from './utils/viewtoplaintext.js';\n\nimport EventInfo from '@ckeditor/ckeditor5-utils/src/eventinfo';\n\n/**\n * The clipboard feature. It is responsible for intercepting the `paste` and `drop` events and\n * passing the pasted content through the clipboard pipeline in order to insert it into the editor's content.\n * It also handles the `cut` and `copy` events to fill the native clipboard with serialized editor's data.\n *\n * Read more about the clipboard integration in {@glink framework/guides/deep-dive/clipboard \"Clipboard\" deep dive} guide.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Clipboard extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Clipboard';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ PastePlainText ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst modelDocument = editor.model.document;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\tview.addObserver( ClipboardObserver );\n\n\t\t// The clipboard paste pipeline.\n\n\t\t// Pasting and dropping is disabled when editor is read-only.\n\t\t// See: https://github.com/ckeditor/ckeditor5-clipboard/issues/26.\n\t\tthis.listenTo( viewDocument, 'clipboardInput', evt => {\n\t\t\tif ( editor.isReadOnly ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\n\t\tthis.listenTo( viewDocument, 'clipboardInput', ( evt, data ) => {\n\t\t\tconst dataTransfer = data.dataTransfer;\n\t\t\tlet content = '';\n\n\t\t\tif ( dataTransfer.getData( 'text/html' ) ) {\n\t\t\t\tcontent = normalizeClipboardHtml( dataTransfer.getData( 'text/html' ) );\n\t\t\t} else if ( dataTransfer.getData( 'text/plain' ) ) {\n\t\t\t\tcontent = plainTextToHtml( dataTransfer.getData( 'text/plain' ) );\n\t\t\t}\n\n\t\t\tcontent = this.editor.data.htmlProcessor.toView( content );\n\n\t\t\tconst eventInfo = new EventInfo( this, 'inputTransformation' );\n\t\t\tthis.fire( eventInfo, {\n\t\t\t\tcontent,\n\t\t\t\tdataTransfer,\n\t\t\t\tasPlainText: data.asPlainText\n\t\t\t} );\n\n\t\t\t// If CKEditor handled the input, do not bubble the original event any further.\n\t\t\t// This helps external integrations recognize that fact and act accordingly.\n\t\t\t// https://github.com/ckeditor/ckeditor5-upload/issues/92\n\t\t\tif ( eventInfo.stop.called ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\n\t\tthis.listenTo( this, 'inputTransformation', ( evt, data ) => {\n\t\t\tif ( !data.content.isEmpty ) {\n\t\t\t\tconst dataController = this.editor.data;\n\t\t\t\tconst model = this.editor.model;\n\n\t\t\t\t// Convert the pasted content to a model document fragment.\n\t\t\t\t// The conversion is contextual, but in this case we need an \"all allowed\" context\n\t\t\t\t// and for that we use the $clipboardHolder item.\n\t\t\t\tconst modelFragment = dataController.toModel( data.content, '$clipboardHolder' );\n\n\t\t\t\tif ( modelFragment.childCount == 0 ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tmodel.change( writer => {\n\t\t\t\t\tconst selection = model.document.selection;\n\n\t\t\t\t\t// Plain text can be determined based on event flag (#7799) or auto-detection (#1006). If detected,\n\t\t\t\t\t// preserve selection attributes on pasted items.\n\t\t\t\t\tif ( data.asPlainText || isPlainTextFragment( modelFragment, model.schema ) ) {\n\t\t\t\t\t\t// Formatting attributes should be preserved.\n\t\t\t\t\t\tconst textAttributes = Array.from( selection.getAttributes() )\n\t\t\t\t\t\t\t.filter( ( [ key ] ) => model.schema.getAttributeProperties( key ).isFormatting );\n\n\t\t\t\t\t\tif ( !selection.isCollapsed ) {\n\t\t\t\t\t\t\tmodel.deleteContent( selection, { doNotAutoparagraph: true } );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Also preserve other attributes if they survived the content deletion (because they were not fully selected).\n\t\t\t\t\t\t// For example linkHref is not a formatting attribute but it should be preserved if pasted text was in the middle\n\t\t\t\t\t\t// of a link.\n\t\t\t\t\t\ttextAttributes.push( ...selection.getAttributes() );\n\n\t\t\t\t\t\tconst range = writer.createRangeIn( modelFragment );\n\n\t\t\t\t\t\tfor ( const item of range.getItems() ) {\n\t\t\t\t\t\t\tif ( item.is( '$text' ) || item.is( '$textProxy' ) ) {\n\t\t\t\t\t\t\t\twriter.setAttributes( textAttributes, item );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\tmodel.insertContent( modelFragment );\n\t\t\t\t} );\n\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\n\t\t// The clipboard copy/cut pipeline.\n\n\t\tfunction onCopyCut( evt, data ) {\n\t\t\tconst dataTransfer = data.dataTransfer;\n\n\t\t\tdata.preventDefault();\n\n\t\t\tconst content = editor.data.toView( editor.model.getSelectedContent( modelDocument.selection ) );\n\n\t\t\tviewDocument.fire( 'clipboardOutput', { dataTransfer, content, method: evt.name } );\n\t\t}\n\n\t\tthis.listenTo( viewDocument, 'copy', onCopyCut, { priority: 'low' } );\n\t\tthis.listenTo( viewDocument, 'cut', ( evt, data ) => {\n\t\t\t// Cutting is disabled when editor is read-only.\n\t\t\t// See: https://github.com/ckeditor/ckeditor5-clipboard/issues/26.\n\t\t\tif ( editor.isReadOnly ) {\n\t\t\t\tdata.preventDefault();\n\t\t\t} else {\n\t\t\t\tonCopyCut( evt, data );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\n\t\tthis.listenTo( viewDocument, 'clipboardOutput', ( evt, data ) => {\n\t\t\tif ( !data.content.isEmpty ) {\n\t\t\t\tdata.dataTransfer.setData( 'text/html', this.editor.data.htmlProcessor.toData( data.content ) );\n\t\t\t\tdata.dataTransfer.setData( 'text/plain', viewToPlainText( data.content ) );\n\t\t\t}\n\n\t\t\tif ( data.method == 'cut' ) {\n\t\t\t\teditor.model.deleteContent( modelDocument.selection );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\t}\n}\n\n/**\n * Fired with a `content` and `dataTransfer` objects. The `content` which comes from the clipboard (was pasted or dropped)\n * should be processed in order to be inserted into the editor. The `dataTransfer` object is available\n * in case the transformation functions need access to raw clipboard data.\n *\n * It is a part of the {@glink framework/guides/deep-dive/clipboard#input-pipeline \"clipboard input pipeline\"}.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @see module:clipboard/clipboard~Clipboard\n * @event module:clipboard/clipboard~Clipboard#event:inputTransformation\n * @param {Object} data Event data.\n * @param {module:engine/view/documentfragment~DocumentFragment} data.content Event data. Content to be inserted into the editor.\n * It can be modified by the event listeners. Read more about the clipboard pipelines in\n * {@glink framework/guides/deep-dive/clipboard \"Clipboard\" deep dive}.\n * @param {module:clipboard/datatransfer~DataTransfer} data.dataTransfer Data transfer instance.\n * @param {Boolean} data.asPlainText If set to `true`, the content is pasted as plain text.\n */\n\n/**\n * Fired on {@link module:engine/view/document~Document#event:copy} and {@link module:engine/view/document~Document#event:cut}\n * with a copy of selected content. The content can be processed before it ends up in the clipboard.\n *\n * It is a part of the {@glink framework/guides/deep-dive/clipboard#output-pipeline \"clipboard output pipeline\"}.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @see module:clipboard/clipboard~Clipboard\n * @event module:engine/view/document~Document#event:clipboardOutput\n * @param {module:clipboard/clipboard~ClipboardOutputEventData} data Event data.\n */\n\n/**\n * The value of the {@link module:engine/view/document~Document#event:clipboardOutput} event.\n *\n * @class module:clipboard/clipboard~ClipboardOutputEventData\n */\n\n/**\n * Data transfer instance.\n *\n * @readonly\n * @member {module:clipboard/datatransfer~DataTransfer} module:clipboard/clipboard~ClipboardOutputEventData#dataTransfer\n */\n\n/**\n * Content to be put into the clipboard. It can be modified by the event listeners.\n * Read more about the clipboard pipelines in {@glink framework/guides/deep-dive/clipboard \"Clipboard\" deep dive}.\n *\n * @member {module:engine/view/documentfragment~DocumentFragment} module:clipboard/clipboard~ClipboardOutputEventData#content\n */\n\n/**\n * Whether the event was triggered by a copy or cut operation.\n *\n * @member {'copy'|'cut'} module:clipboard/clipboard~ClipboardOutputEventData#method\n */\n\n// Returns true if specified `documentFragment` represents a plain text.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction isPlainTextFragment( documentFragment, schema ) {\n\tif ( documentFragment.childCount > 1 ) {\n\t\treturn false;\n\t}\n\n\tconst child = documentFragment.getChild( 0 );\n\n\tif ( schema.isObject( child ) ) {\n\t\treturn false;\n\t}\n\n\treturn [ ...child.getAttributeKeys() ].length == 0;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/utils/plaintexttohtml\n */\n\n/**\n * Converts plain text to its HTML-ized version.\n *\n * @param {String} text The plain text to convert.\n * @returns {String} HTML generated from the plain text.\n */\nexport default function plainTextToHtml( text ) {\n\ttext = text\n\t\t// Encode <>.\n\t\t.replace( /</g, '&lt;' )\n\t\t.replace( />/g, '&gt;' )\n\t\t// Creates a paragraph for each double line break.\n\t\t.replace( /\\r?\\n\\r?\\n/g, '</p><p>' )\n\t\t// Creates a line break for each single line break.\n\t\t.replace( /\\r?\\n/g, '<br>' )\n\t\t// Preserve trailing spaces (only the first and last one – the rest is handled below).\n\t\t.replace( /^\\s/, '&nbsp;' )\n\t\t.replace( /\\s$/, '&nbsp;' )\n\t\t// Preserve other subsequent spaces now.\n\t\t.replace( /\\s\\s/g, ' &nbsp;' );\n\n\tif ( text.includes( '</p><p>' ) || text.includes( '<br>' ) ) {\n\t\t// If we created paragraphs above, add the trailing ones.\n\t\ttext = `<p>${ text }</p>`;\n\t}\n\n\t// TODO:\n\t// * What about '\\nfoo' vs ' foo'?\n\n\treturn text;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/utils/normalizeclipboarddata\n */\n\n/**\n * Removes some popular browser quirks out of the clipboard data (HTML).\n *\n * @param {String} data The HTML data to normalize.\n * @returns {String} Normalized HTML.\n */\nexport default function normalizeClipboardData( data ) {\n\treturn data\n\t\t.replace( /<span(?: class=\"Apple-converted-space\"|)>(\\s+)<\\/span>/g, ( fullMatch, spaces ) => {\n\t\t\t// Handle the most popular and problematic case when even a single space becomes an nbsp;.\n\t\t\t// Decode those to normal spaces. Read more in https://github.com/ckeditor/ckeditor5-clipboard/issues/2.\n\t\t\tif ( spaces.length == 1 ) {\n\t\t\t\treturn ' ';\n\t\t\t}\n\n\t\t\treturn spaces;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module module:engine/view/upcastwriter\n */\n\nimport DocumentFragment from './documentfragment';\nimport Element from './element';\nimport Text from './text';\nimport { isPlainObject } from 'lodash-es';\nimport Position from './position';\nimport Range from './range';\nimport Selection from './selection';\n\n/**\n * View upcast writer. It provides a set of methods used to manipulate non-semantic view trees.\n *\n * It should be used only while working on a non-semantic view\n * (e.g. a view created from HTML string on paste).\n * To manipulate a view which was or is being downcasted from the the model use the\n * {@link module:engine/view/downcastwriter~DowncastWriter downcast writer}.\n *\n * Read more about changing the view in the {@glink framework/guides/architecture/editing-engine#changing-the-view Changing the view}\n * section of the {@glink framework/guides/architecture/editing-engine Editing engine architecture} guide.\n *\n * Unlike `DowncastWriter`, which is available in the {@link module:engine/view/view~View#change `View#change()`} block,\n * `UpcastWriter` can be created wherever you need it:\n *\n *\t\tconst writer = new UpcastWriter( viewDocument );\n *\t\tconst text = writer.createText( 'foo!' );\n *\n *\t\twriter.appendChild( text, someViewElement );\n */\nexport default class UpcastWriter {\n\t/**\n\t * @param {module:engine/view/document~Document} document The view document instance in which this upcast writer operates.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * The view document instance in which this upcast writer operates.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/documentfragment~DocumentFragment} instance.\n\t *\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into the created document fragment.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} The created document fragment.\n\t */\n\tcreateDocumentFragment( children ) {\n\t\treturn new DocumentFragment( this.document, children );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/element~Element} instance.\n\t *\n\t * Attributes can be passed in various formats:\n\t *\n\t *\t\tupcastWriter.createElement( 'div', { class: 'editor', contentEditable: 'true' } ); // object\n\t *\t\tupcastWriter.createElement( 'div', [ [ 'class', 'editor' ], [ 'contentEditable', 'true' ] ] ); // map-like iterator\n\t *\t\tupcastWriter.createElement( 'div', mapOfAttributes ); // map\n\t *\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t * @returns {module:engine/view/element~Element} Created element.\n\t */\n\tcreateElement( name, attrs, children ) {\n\t\treturn new Element( this.document, name, attrs, children );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/text~Text} instance.\n\t *\n\t * @param {String} data The text's data.\n\t * @returns {module:engine/view/text~Text} The created text node.\n\t */\n\tcreateText( data ) {\n\t\treturn new Text( this.document, data );\n\t}\n\n\t/**\n\t * Clones the provided element.\n\t *\n\t * @see module:engine/view/element~Element#_clone\n\t * @param {module:engine/view/element~Element} element Element to be cloned.\n\t * @param {Boolean} [deep=false] If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any children.\n\t * @returns {module:engine/view/element~Element} Clone of this element.\n\t */\n\tclone( element, deep = false ) {\n\t\treturn element._clone( deep );\n\t}\n\n\t/**\n\t * Appends a child node or a list of child nodes at the end of this node\n\t * and sets the parent of these nodes to this element.\n\t *\n\t * @see module:engine/view/element~Element#_appendChild\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} element Element\n\t * to which items will be appended.\n\t * @fires module:engine/view/node~Node#event:change\n\t * @returns {Number} Number of appended nodes.\n\t */\n\tappendChild( items, element ) {\n\t\treturn element._appendChild( items );\n\t}\n\n\t/**\n\t * Inserts a child node or a list of child nodes on the given index and sets the parent of these nodes to\n\t * this element.\n\t *\n\t * @see module:engine/view/element~Element#_insertChild\n\t * @param {Number} index Offset at which nodes should be inserted.\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} element Element\n\t * to which items will be inserted.\n\t * @fires module:engine/view/node~Node#event:change\n\t * @returns {Number} Number of inserted nodes.\n\t */\n\tinsertChild( index, items, element ) {\n\t\treturn element._insertChild( index, items );\n\t}\n\n\t/**\n\t * Removes the given number of child nodes starting at the given index and set the parent of these nodes to `null`.\n\t *\n\t * @see module:engine/view/element~Element#_removeChildren\n\t * @param {Number} index Offset from which nodes will be removed.\n\t * @param {Number} howMany Number of nodes to remove.\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} element Element\n\t * which children will be removed.\n\t * @fires module:engine/view/node~Node#event:change\n\t * @returns {Array.<module:engine/view/node~Node>} The array containing removed nodes.\n\t */\n\tremoveChildren( index, howMany, element ) {\n\t\treturn element._removeChildren( index, howMany );\n\t}\n\n\t/**\n\t * Removes given element from the view structure. Will not have effect on detached elements.\n\t *\n\t * @param {module:engine/view/element~Element} element Element which will be removed.\n\t * @returns {Array.<module:engine/view/node~Node>} The array containing removed nodes.\n\t */\n\tremove( element ) {\n\t\tconst parent = element.parent;\n\n\t\tif ( parent ) {\n\t\t\treturn this.removeChildren( parent.getChildIndex( element ), 1, parent );\n\t\t}\n\n\t\treturn [];\n\t}\n\n\t/**\n\t * Replaces given element with the new one in the view structure. Will not have effect on detached elements.\n\t *\n\t * @param {module:engine/view/element~Element} oldElement Element which will be replaced.\n\t * @param {module:engine/view/element~Element} newElement Element which will be inserted in the place of the old element.\n\t * @returns {Boolean} Whether old element was successfully replaced.\n\t */\n\treplace( oldElement, newElement ) {\n\t\tconst parent = oldElement.parent;\n\n\t\tif ( parent ) {\n\t\t\tconst index = parent.getChildIndex( oldElement );\n\n\t\t\tthis.removeChildren( index, 1, parent );\n\t\t\tthis.insertChild( index, newElement, parent );\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Removes given element from view structure and places its children in its position.\n\t * It does nothing if element has no parent.\n\t *\n\t * @param {module:engine/view/element~Element} element Element to unwrap.\n\t */\n\tunwrapElement( element ) {\n\t\tconst parent = element.parent;\n\n\t\tif ( parent ) {\n\t\t\tconst index = parent.getChildIndex( element );\n\n\t\t\tthis.remove( element );\n\t\t\tthis.insertChild( index, element.getChildren(), parent );\n\t\t}\n\t}\n\n\t/**\n\t * Renames element by creating a copy of a given element but with its name changed and then moving contents of the\n\t * old element to the new one.\n\t *\n\t * Since this function creates a new element and removes the given one, the new element is returned to keep reference.\n\t *\n\t * @param {String} newName New element name.\n\t * @param {module:engine/view/element~Element} element Element to be renamed.\n\t * @returns {module:engine/view/element~Element|null} New element or null if the old element\n\t * was not replaced (happens for detached elements).\n\t */\n\trename( newName, element ) {\n\t\tconst newElement = new Element( this.document, newName, element.getAttributes(), element.getChildren() );\n\n\t\treturn this.replace( element, newElement ) ? newElement : null;\n\t}\n\n\t/**\n\t * Adds or overwrites element's attribute with a specified key and value.\n\t *\n\t *\t\twriter.setAttribute( linkElement, 'href', 'http://ckeditor.com' );\n\t *\n\t * @see module:engine/view/element~Element#_setAttribute\n\t * @param {String} key Attribute key.\n\t * @param {String} value Attribute value.\n\t * @param {module:engine/view/element~Element} element Element for which attribute will be set.\n\t */\n\tsetAttribute( key, value, element ) {\n\t\telement._setAttribute( key, value );\n\t}\n\n\t/**\n\t * Removes attribute from the element.\n\t *\n\t *\t\twriter.removeAttribute( linkElement, 'href' );\n\t *\n\t * @see module:engine/view/element~Element#_removeAttribute\n\t * @param {String} key Attribute key.\n\t * @param {module:engine/view/element~Element} element Element from which attribute will be removed.\n\t */\n\tremoveAttribute( key, element ) {\n\t\telement._removeAttribute( key );\n\t}\n\n\t/**\n\t * Adds specified class to the element.\n\t *\n\t *\t\twriter.addClass( linkElement, 'foo' );\n\t *\t\twriter.addClass( linkElement, [ 'foo', 'bar' ] );\n\t *\n\t * @see module:engine/view/element~Element#_addClass\n\t * @param {Array.<String>|String} className Single class name or array of class names which will be added.\n\t * @param {module:engine/view/element~Element} element Element for which class will be added.\n\t */\n\taddClass( className, element ) {\n\t\telement._addClass( className );\n\t}\n\n\t/**\n\t * Removes specified class from the element.\n\t *\n\t *\t\twriter.removeClass( linkElement, 'foo' );\n\t *\t\twriter.removeClass( linkElement, [ 'foo', 'bar' ] );\n\t *\n\t * @see module:engine/view/element~Element#_removeClass\n\t * @param {Array.<String>|String} className Single class name or array of class names which will be removed.\n\t * @param {module:engine/view/element~Element} element Element from which class will be removed.\n\t */\n\tremoveClass( className, element ) {\n\t\telement._removeClass( className );\n\t}\n\n\t/**\n\t * Adds style to the element.\n\t *\n\t *\t\twriter.setStyle( element, 'color', 'red' );\n\t *\t\twriter.setStyle( element, {\n\t *\t\t\tcolor: 'red',\n\t *\t\t\tposition: 'fixed'\n\t *\t\t} );\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#set `StylesMap#set()`} for details.\n\t *\n\t * @see module:engine/view/element~Element#_setStyle\n\t * @param {String|Object} property Property name or object with key - value pairs.\n\t * @param {String} [value] Value to set. This parameter is ignored if object is provided as the first parameter.\n\t * @param {module:engine/view/element~Element} element Element for which style will be added.\n\t */\n\tsetStyle( property, value, element ) {\n\t\tif ( isPlainObject( property ) && element === undefined ) {\n\t\t\telement = value;\n\t\t}\n\t\telement._setStyle( property, value );\n\t}\n\n\t/**\n\t * Removes specified style from the element.\n\t *\n\t *\t\twriter.removeStyle( element, 'color' );  // Removes 'color' style.\n\t *\t\twriter.removeStyle( element, [ 'color', 'border-top' ] ); // Removes both 'color' and 'border-top' styles.\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#remove `StylesMap#remove()`} for details.\n\t *\n\t * @see module:engine/view/element~Element#_removeStyle\n\t * @param {Array.<String>|String} property Style property name or names to be removed.\n\t * @param {module:engine/view/element~Element} element Element from which style will be removed.\n\t */\n\tremoveStyle( property, element ) {\n\t\telement._removeStyle( property );\n\t}\n\n\t/**\n\t * Sets a custom property on element. Unlike attributes, custom properties are not rendered to the DOM,\n\t * so they can be used to add special data to elements.\n\t *\n\t * @see module:engine/view/element~Element#_setCustomProperty\n\t * @param {String|Symbol} key Custom property name/key.\n\t * @param {*} value Custom property value to be stored.\n\t * @param {module:engine/view/element~Element} element Element for which custom property will be set.\n\t */\n\tsetCustomProperty( key, value, element ) {\n\t\telement._setCustomProperty( key, value );\n\t}\n\n\t/**\n\t * Removes a custom property stored under the given key.\n\t *\n\t * @see module:engine/view/element~Element#_removeCustomProperty\n\t * @param {String|Symbol} key Name/key of the custom property to be removed.\n\t * @param {module:engine/view/element~Element} element Element from which the custom property will be removed.\n\t * @returns {Boolean} Returns true if property was removed.\n\t */\n\tremoveCustomProperty( key, element ) {\n\t\treturn element._removeCustomProperty( key );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/view/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/view/item~Item view item} and `'before'` or `'after'` (sets position before or after given view item).\n\t *\n\t * This method is a shortcut to other constructors such as:\n\t *\n\t * * {@link #createPositionBefore},\n\t * * {@link #createPositionAfter},\n\t *\n\t * @param {module:engine/view/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn Position._createAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new position after given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item after which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn Position._createAfter( item );\n\t}\n\n\t/**\n\t * Creates a new position before given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item before which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn Position._createBefore( item );\n\t}\n\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * **Note:** This factory method creates it's own {@link module:engine/view/position~Position} instances basing on passed values.\n\t *\n\t * @param {module:engine/view/position~Position} start Start position.\n\t * @param {module:engine/view/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/view/item~Item view item} and ends after it.\n\t *\n\t * @param {module:engine/view/item~Item} item\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeOn( item ) {\n\t\treturn Range._createOn( item );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @param {module:engine/view/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn Range._createIn( element );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/selection~Selection} instance.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the document selection.\n\t *\t\tconst selection = writer.createSelection( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'paragraph' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s constructor allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = writer.createSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t * @returns {module:engine/view/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn new Selection( selectable, placeOrOffset, options );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/command\n */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The base class for CKEditor commands.\n *\n * Commands are the main way to manipulate editor contents and state. They are mostly used by UI elements (or by other\n * commands) to make changes in the model. Commands are available in every part of code that has access to\n * the {@link module:core/editor/editor~Editor editor} instance.\n *\n * Instances of registered commands can be retrieved from {@link module:core/editor/editor~Editor#commands `editor.commands`}.\n * The easiest way to execute a command is through {@link module:core/editor/editor~Editor#execute `editor.execute()`}.\n *\n * By default commands are disabled when the editor is in {@link module:core/editor/editor~Editor#isReadOnly read-only} mode.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Command {\n\t/**\n\t * Creates a new `Command` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor Editor on which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * The editor on which this command will be used.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor}\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * The value of the command. A concrete command class should define what it represents for it.\n\t\t *\n\t\t * For example, the `'bold'` command's value indicates whether the selection starts in a bolded text.\n\t\t * And the value of the `'link'` command may be an object with links details.\n\t\t *\n\t\t * It is possible for a command to have no value (e.g. for stateless actions such as `'imageUpload'`).\n\t\t *\n\t\t * A concrete command class should control this value by overriding the {@link #refresh `refresh()`} method.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member #value\n\t\t */\n\t\tthis.set( 'value', undefined );\n\n\t\t/**\n\t\t * Flag indicating whether a command is enabled or disabled.\n\t\t * A disabled command will do nothing when executed.\n\t\t *\n\t\t * A concrete command class should control this value by overriding the {@link #refresh `refresh()`} method.\n\t\t *\n\t\t * It is possible to disable a command from \"outside\". For instance, in your integration you may want to disable\n\t\t * a certain set of commands for the time being. To do that, you can use the fact that `isEnabled` is observable\n\t\t * and it fires the `set:isEnabled` event every time anyone tries to modify its value:\n\t\t *\n\t\t *\t\tfunction disableCommand( cmd ) {\n\t\t *\t\t\tcmd.on( 'set:isEnabled', forceDisable, { priority: 'highest' } );\n\t\t *\n\t\t *\t\t\tcmd.isEnabled = false;\n\t\t *\n\t\t *\t\t\t// Make it possible to enable the command again.\n\t\t *\t\t\treturn () => {\n\t\t *\t\t\t\tcmd.off( 'set:isEnabled', forceDisable );\n\t\t *\t\t\t\tcmd.refresh();\n\t\t *\t\t\t};\n\t\t *\n\t\t *\t\t\tfunction forceDisable( evt ) {\n\t\t *\t\t\t\tevt.return = false;\n\t\t *\t\t\t\tevt.stop();\n\t\t *\t\t\t}\n\t\t *\t\t}\n\t\t *\n\t\t *\t\t// Usage:\n\t\t *\n\t\t *\t\t// Disabling the command.\n\t\t *\t\tconst enableBold = disableCommand( editor.commands.get( 'bold' ) );\n\t\t *\n\t\t *\t\t// Enabling the command again.\n\t\t *\t\tenableBold();\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', false );\n\n\t\t/**\n\t\t * Holds identifiers for {@link #forceDisabled} mechanism.\n\t\t *\n\t\t * @type {Set.<String>}\n\t\t * @private\n\t\t */\n\t\tthis._disableStack = new Set();\n\n\t\tthis.decorate( 'execute' );\n\n\t\t// By default every command is refreshed when changes are applied to the model.\n\t\tthis.listenTo( this.editor.model.document, 'change', () => {\n\t\t\tthis.refresh();\n\t\t} );\n\n\t\tthis.on( 'execute', evt => {\n\t\t\tif ( !this.isEnabled ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\t// By default commands are disabled when the editor is in read-only mode.\n\t\tthis.listenTo( editor, 'change:isReadOnly', ( evt, name, value ) => {\n\t\t\tif ( value ) {\n\t\t\t\tthis.forceDisabled( 'readOnlyMode' );\n\t\t\t} else {\n\t\t\t\tthis.clearForceDisabled( 'readOnlyMode' );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Refreshes the command. The command should update its {@link #isEnabled} and {@link #value} properties\n\t * in this method.\n\t *\n\t * This method is automatically called when\n\t * {@link module:engine/model/document~Document#event:change any changes are applied to the document}.\n\t */\n\trefresh() {\n\t\tthis.isEnabled = true;\n\t}\n\n\t/**\n\t * Disables the command.\n\t *\n\t * Command may be disabled by multiple features or algorithms (at once). When disabling a command, unique id should be passed\n\t * (e.g. feature name). The same identifier should be used when {@link #clearForceDisabled enabling back} the command.\n\t * The command becomes enabled only after all features {@link #clearForceDisabled enabled it back}.\n\t *\n\t * Disabling and enabling a command:\n\t *\n\t *\t\tcommand.isEnabled; // -> true\n\t *\t\tcommand.forceDisabled( 'MyFeature' );\n\t *\t\tcommand.isEnabled; // -> false\n\t *\t\tcommand.clearForceDisabled( 'MyFeature' );\n\t *\t\tcommand.isEnabled; // -> true\n\t *\n\t * Command disabled by multiple features:\n\t *\n\t *\t\tcommand.forceDisabled( 'MyFeature' );\n\t *\t\tcommand.forceDisabled( 'OtherFeature' );\n\t *\t\tcommand.clearForceDisabled( 'MyFeature' );\n\t *\t\tcommand.isEnabled; // -> false\n\t *\t\tcommand.clearForceDisabled( 'OtherFeature' );\n\t *\t\tcommand.isEnabled; // -> true\n\t *\n\t * Multiple disabling with the same identifier is redundant:\n\t *\n\t *\t\tcommand.forceDisabled( 'MyFeature' );\n\t *\t\tcommand.forceDisabled( 'MyFeature' );\n\t *\t\tcommand.clearForceDisabled( 'MyFeature' );\n\t *\t\tcommand.isEnabled; // -> true\n\t *\n\t * **Note:** some commands or algorithms may have more complex logic when it comes to enabling or disabling certain commands,\n\t * so the command might be still disabled after {@link #clearForceDisabled} was used.\n\t *\n\t * @param {String} id Unique identifier for disabling. Use the same id when {@link #clearForceDisabled enabling back} the command.\n\t */\n\tforceDisabled( id ) {\n\t\tthis._disableStack.add( id );\n\n\t\tif ( this._disableStack.size == 1 ) {\n\t\t\tthis.on( 'set:isEnabled', forceDisable, { priority: 'highest' } );\n\t\t\tthis.isEnabled = false;\n\t\t}\n\t}\n\n\t/**\n\t * Clears forced disable previously set through {@link #forceDisabled}. See {@link #forceDisabled}.\n\t *\n\t * @param {String} id Unique identifier, equal to the one passed in {@link #forceDisabled} call.\n\t */\n\tclearForceDisabled( id ) {\n\t\tthis._disableStack.delete( id );\n\n\t\tif ( this._disableStack.size == 0 ) {\n\t\t\tthis.off( 'set:isEnabled', forceDisable );\n\t\t\tthis.refresh();\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * A command may accept parameters. They will be passed from {@link module:core/editor/editor~Editor#execute `editor.execute()`}\n\t * to the command.\n\t *\n\t * The `execute()` method will automatically abort when the command is disabled ({@link #isEnabled} is `false`).\n\t * This behavior is implemented by a high priority listener to the {@link #event:execute} event.\n\t *\n\t * In order to see how to disable a command from \"outside\" see the {@link #isEnabled} documentation.\n\t *\n\t * This method may return a value, which would be forwarded all the way down to the\n\t * {@link module:core/editor/editor~Editor#execute `editor.execute()`}.\n\t *\n\t * @fires execute\n\t */\n\texecute() {}\n\n\t/**\n\t * Destroys the command.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Event fired by the {@link #execute} method. The command action is a listener to this event so it's\n\t * possible to change/cancel the behavior of the command by listening to this event.\n\t *\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * **Note:** This event is fired even if command is disabled. However, it is automatically blocked\n\t * by a high priority listener in order to prevent command execution.\n\t *\n\t * @event execute\n\t */\n}\n\nmix( Command, ObservableMixin );\n\n// Helper function that forces command to be disabled.\nfunction forceDisable( evt ) {\n\tevt.return = false;\n\tevt.stop();\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport FileRepository from '@ckeditor/ckeditor5-upload/src/filerepository';\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { insertImage, isImageAllowed } from '../image/utils';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\n/**\n * @module image/imageupload/imageuploadcommand\n */\n\n/**\n * The image upload command.\n *\n * The command is registered by the {@link module:image/imageupload/imageuploadediting~ImageUploadEditing} plugin as `'imageUpload'`.\n *\n * In order to upload an image at the current selection position\n * (according to the {@link module:widget/utils~findOptimalInsertionPosition} algorithm),\n * execute the command and pass the native image file instance:\n *\n *\t\tthis.listenTo( editor.editing.view.document, 'clipboardInput', ( evt, data ) => {\n *\t\t\t// Assuming that only images were pasted:\n *\t\t\tconst images = Array.from( data.dataTransfer.files );\n *\n *\t\t\t// Upload the first image:\n *\t\t\teditor.execute( 'imageUpload', { file: images[ 0 ] } );\n *\t\t} );\n *\n * It is also possible to insert multiple images at once:\n *\n *\t\teditor.execute( 'imageUpload', {\n *\t\t\tfile: [\n *\t\t\t\tfile1,\n *\t\t\t\tfile2\n *\t\t\t]\n *\t\t} );\n *\n * @extends module:core/command~Command\n */\nexport default class ImageUploadCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst imageElement = this.editor.model.document.selection.getSelectedElement();\n\t\tconst isImage = imageElement && imageElement.name === 'image' || false;\n\n\t\tthis.isEnabled = isImageAllowed( this.editor.model ) || isImage;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} options Options for the executed command.\n\t * @param {File|Array.<File>} options.file The image file or an array of image files to upload.\n\t */\n\texecute( options ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\tconst fileRepository = editor.plugins.get( FileRepository );\n\n\t\tfor ( const file of toArray( options.file ) ) {\n\t\t\tuploadImage( model, fileRepository, file );\n\t\t}\n\t}\n}\n\n// Handles uploading single file.\n//\n// @param {module:engine/model/model~Model} model\n// @param {File} file\nfunction uploadImage( model, fileRepository, file ) {\n\tconst loader = fileRepository.createLoader( file );\n\n\t// Do not throw when upload adapter is not set. FileRepository will log an error anyway.\n\tif ( !loader ) {\n\t\treturn;\n\t}\n\n\tinsertImage( model, { uploadId: loader.id } );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload/imageuploadediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport FileRepository from '@ckeditor/ckeditor5-upload/src/filerepository';\nimport Notification from '@ckeditor/ckeditor5-ui/src/notification/notification';\nimport Clipboard from '@ckeditor/ckeditor5-clipboard/src/clipboard';\nimport UpcastWriter from '@ckeditor/ckeditor5-engine/src/view/upcastwriter';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\nimport ImageUploadCommand from '../../src/imageupload/imageuploadcommand';\nimport { fetchLocalImage, isLocalImage } from '../../src/imageupload/utils';\nimport { createImageTypeRegExp } from './utils';\nimport { getViewImgFromWidget } from '../image/utils';\n\n/**\n * The editing part of the image upload feature. It registers the `'imageUpload'` command.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUploadEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ FileRepository, Notification, Clipboard ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'ImageUploadEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'image', {\n\t\t\tupload: {\n\t\t\t\ttypes: [ 'jpeg', 'png', 'gif', 'bmp', 'webp', 'tiff' ]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst doc = editor.model.document;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\t\tconst fileRepository = editor.plugins.get( FileRepository );\n\n\t\tconst imageTypes = createImageTypeRegExp( editor.config.get( 'image.upload.types' ) );\n\n\t\t// Setup schema to allow uploadId and uploadStatus for images.\n\t\tschema.extend( 'image', {\n\t\t\tallowAttributes: [ 'uploadId', 'uploadStatus' ]\n\t\t} );\n\n\t\t// Register imageUpload command.\n\t\teditor.commands.add( 'imageUpload', new ImageUploadCommand( editor ) );\n\n\t\t// Register upcast converter for uploadId.\n\t\tconversion.for( 'upcast' )\n\t\t\t.attributeToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'img',\n\t\t\t\t\tkey: 'uploadId'\n\t\t\t\t},\n\t\t\t\tmodel: 'uploadId'\n\t\t\t} );\n\n\t\t// Handle pasted images.\n\t\t// For every image file, a new file loader is created and a placeholder image is\n\t\t// inserted into the content. Then, those images are uploaded once they appear in the model\n\t\t// (see Document#change listener below).\n\t\tthis.listenTo( editor.editing.view.document, 'clipboardInput', ( evt, data ) => {\n\t\t\t// Skip if non empty HTML data is included.\n\t\t\t// https://github.com/ckeditor/ckeditor5-upload/issues/68\n\t\t\tif ( isHtmlIncluded( data.dataTransfer ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst images = Array.from( data.dataTransfer.files ).filter( file => {\n\t\t\t\t// See https://github.com/ckeditor/ckeditor5-image/pull/254.\n\t\t\t\tif ( !file ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\treturn imageTypes.test( file.type );\n\t\t\t} );\n\n\t\t\tconst ranges = data.targetRanges.map( viewRange => editor.editing.mapper.toModelRange( viewRange ) );\n\n\t\t\teditor.model.change( writer => {\n\t\t\t\t// Set selection to paste target.\n\t\t\t\twriter.setSelection( ranges );\n\n\t\t\t\tif ( images.length ) {\n\t\t\t\t\tevt.stop();\n\n\t\t\t\t\t// Upload images after the selection has changed in order to ensure the command's state is refreshed.\n\t\t\t\t\teditor.model.enqueueChange( 'default', () => {\n\t\t\t\t\t\teditor.execute( 'imageUpload', { file: images } );\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t} );\n\t\t} );\n\n\t\t// Handle HTML pasted with images with base64 or blob sources.\n\t\t// For every image file, a new file loader is created and a placeholder image is\n\t\t// inserted into the content. Then, those images are uploaded once they appear in the model\n\t\t// (see Document#change listener below).\n\t\tthis.listenTo( editor.plugins.get( Clipboard ), 'inputTransformation', ( evt, data ) => {\n\t\t\tconst fetchableImages = Array.from( editor.editing.view.createRangeIn( data.content ) )\n\t\t\t\t.filter( value => isLocalImage( value.item ) && !value.item.getAttribute( 'uploadProcessed' ) )\n\t\t\t\t.map( value => { return { promise: fetchLocalImage( value.item ), imageElement: value.item }; } );\n\n\t\t\tif ( !fetchableImages.length ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst writer = new UpcastWriter( editor.editing.view.document );\n\n\t\t\tfor ( const fetchableImage of fetchableImages ) {\n\t\t\t\t// Set attribute marking that the image was processed already.\n\t\t\t\twriter.setAttribute( 'uploadProcessed', true, fetchableImage.imageElement );\n\n\t\t\t\tconst loader = fileRepository.createLoader( fetchableImage.promise );\n\n\t\t\t\tif ( loader ) {\n\t\t\t\t\twriter.setAttribute( 'src', '', fetchableImage.imageElement );\n\t\t\t\t\twriter.setAttribute( 'uploadId', loader.id, fetchableImage.imageElement );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\t// Prevents from the browser redirecting to the dropped image.\n\t\teditor.editing.view.document.on( 'dragover', ( evt, data ) => {\n\t\t\tdata.preventDefault();\n\t\t} );\n\n\t\t// Upload placeholder images that appeared in the model.\n\t\tdoc.on( 'change', () => {\n\t\t\tconst changes = doc.differ.getChanges( { includeChangesInGraveyard: true } );\n\n\t\t\tfor ( const entry of changes ) {\n\t\t\t\tif ( entry.type == 'insert' && entry.name != '$text' ) {\n\t\t\t\t\tconst item = entry.position.nodeAfter;\n\t\t\t\t\tconst isInGraveyard = entry.position.root.rootName == '$graveyard';\n\n\t\t\t\t\tfor ( const image of getImagesFromChangeItem( editor, item ) ) {\n\t\t\t\t\t\t// Check if the image element still has upload id.\n\t\t\t\t\t\tconst uploadId = image.getAttribute( 'uploadId' );\n\n\t\t\t\t\t\tif ( !uploadId ) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Check if the image is loaded on this client.\n\t\t\t\t\t\tconst loader = fileRepository.loaders.get( uploadId );\n\n\t\t\t\t\t\tif ( !loader ) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( isInGraveyard ) {\n\t\t\t\t\t\t\t// If the image was inserted to the graveyard - abort the loading process.\n\t\t\t\t\t\t\tloader.abort();\n\t\t\t\t\t\t} else if ( loader.status == 'idle' ) {\n\t\t\t\t\t\t\t// If the image was inserted into content and has not been loaded yet, start loading it.\n\t\t\t\t\t\t\tthis._readAndUpload( loader, image );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Reads and uploads an image.\n\t *\n\t * The image is read from the disk and as a Base64-encoded string it is set temporarily to\n\t * `image[src]`. When the image is successfully uploaded, the temporary data is replaced with the target\n\t * image's URL (the URL to the uploaded image on the server).\n\t *\n\t * @protected\n\t * @param {module:upload/filerepository~FileLoader} loader\n\t * @param {module:engine/model/element~Element} imageElement\n\t * @returns {Promise}\n\t */\n\t_readAndUpload( loader, imageElement ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst t = editor.locale.t;\n\t\tconst fileRepository = editor.plugins.get( FileRepository );\n\t\tconst notification = editor.plugins.get( Notification );\n\n\t\tmodel.enqueueChange( 'transparent', writer => {\n\t\t\twriter.setAttribute( 'uploadStatus', 'reading', imageElement );\n\t\t} );\n\n\t\treturn loader.read()\n\t\t\t.then( () => {\n\t\t\t\tconst promise = loader.upload();\n\n\t\t\t\t// Force re–paint in Safari. Without it, the image will display with a wrong size.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5/issues/1975\n\t\t\t\t/* istanbul ignore next */\n\t\t\t\tif ( env.isSafari ) {\n\t\t\t\t\tconst viewFigure = editor.editing.mapper.toViewElement( imageElement );\n\t\t\t\t\tconst viewImg = getViewImgFromWidget( viewFigure );\n\n\t\t\t\t\teditor.editing.view.once( 'render', () => {\n\t\t\t\t\t\t// Early returns just to be safe. There might be some code ran\n\t\t\t\t\t\t// in between the outer scope and this callback.\n\t\t\t\t\t\tif ( !viewImg.parent ) {\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst domFigure = editor.editing.view.domConverter.mapViewToDom( viewImg.parent );\n\n\t\t\t\t\t\tif ( !domFigure ) {\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst originalDisplay = domFigure.style.display;\n\n\t\t\t\t\t\tdomFigure.style.display = 'none';\n\n\t\t\t\t\t\t// Make sure this line will never be removed during minification for having \"no effect\".\n\t\t\t\t\t\tdomFigure._ckHack = domFigure.offsetHeight;\n\n\t\t\t\t\t\tdomFigure.style.display = originalDisplay;\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t\tmodel.enqueueChange( 'transparent', writer => {\n\t\t\t\t\twriter.setAttribute( 'uploadStatus', 'uploading', imageElement );\n\t\t\t\t} );\n\n\t\t\t\treturn promise;\n\t\t\t} )\n\t\t\t.then( data => {\n\t\t\t\tmodel.enqueueChange( 'transparent', writer => {\n\t\t\t\t\twriter.setAttributes( { uploadStatus: 'complete', src: data.default }, imageElement );\n\t\t\t\t\tthis._parseAndSetSrcsetAttributeOnImage( data, imageElement, writer );\n\t\t\t\t} );\n\n\t\t\t\tclean();\n\t\t\t} )\n\t\t\t.catch( error => {\n\t\t\t\t// If status is not 'error' nor 'aborted' - throw error because it means that something else went wrong,\n\t\t\t\t// it might be generic error and it would be real pain to find what is going on.\n\t\t\t\tif ( loader.status !== 'error' && loader.status !== 'aborted' ) {\n\t\t\t\t\tthrow error;\n\t\t\t\t}\n\n\t\t\t\t// Might be 'aborted'.\n\t\t\t\tif ( loader.status == 'error' && error ) {\n\t\t\t\t\tnotification.showWarning( error, {\n\t\t\t\t\t\ttitle: t( 'Upload failed' ),\n\t\t\t\t\t\tnamespace: 'upload'\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t\tclean();\n\n\t\t\t\t// Permanently remove image from insertion batch.\n\t\t\t\tmodel.enqueueChange( 'transparent', writer => {\n\t\t\t\t\twriter.remove( imageElement );\n\t\t\t\t} );\n\t\t\t} );\n\n\t\tfunction clean() {\n\t\t\tmodel.enqueueChange( 'transparent', writer => {\n\t\t\t\twriter.removeAttribute( 'uploadId', imageElement );\n\t\t\t\twriter.removeAttribute( 'uploadStatus', imageElement );\n\t\t\t} );\n\n\t\t\tfileRepository.destroyLoader( loader );\n\t\t}\n\t}\n\n\t/**\n\t * Creates the `srcset` attribute based on a given file upload response and sets it as an attribute to a specific image element.\n\t *\n\t * @protected\n\t * @param {Object} data Data object from which `srcset` will be created.\n\t * @param {module:engine/model/element~Element} image The image element on which the `srcset` attribute will be set.\n\t * @param {module:engine/model/writer~Writer} writer\n\t */\n\t_parseAndSetSrcsetAttributeOnImage( data, image, writer ) {\n\t\t// Srcset attribute for responsive images support.\n\t\tlet maxWidth = 0;\n\n\t\tconst srcsetAttribute = Object.keys( data )\n\t\t// Filter out keys that are not integers.\n\t\t\t.filter( key => {\n\t\t\t\tconst width = parseInt( key, 10 );\n\n\t\t\t\tif ( !isNaN( width ) ) {\n\t\t\t\t\tmaxWidth = Math.max( maxWidth, width );\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t} )\n\n\t\t\t// Convert each key to srcset entry.\n\t\t\t.map( key => `${ data[ key ] } ${ key }w` )\n\n\t\t\t// Join all entries.\n\t\t\t.join( ', ' );\n\n\t\tif ( srcsetAttribute != '' ) {\n\t\t\twriter.setAttribute( 'srcset', {\n\t\t\t\tdata: srcsetAttribute,\n\t\t\t\twidth: maxWidth\n\t\t\t}, image );\n\t\t}\n\t}\n}\n\n// Returns `true` if non-empty `text/html` is included in the data transfer.\n//\n// @param {module:clipboard/datatransfer~DataTransfer} dataTransfer\n// @returns {Boolean}\nexport function isHtmlIncluded( dataTransfer ) {\n\treturn Array.from( dataTransfer.types ).includes( 'text/html' ) && dataTransfer.getData( 'text/html' ) !== '';\n}\n\nfunction getImagesFromChangeItem( editor, item ) {\n\treturn Array.from( editor.model.createRangeOn( item ) )\n\t\t.filter( value => value.item.is( 'element', 'image' ) )\n\t\t.map( value => value.item );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageUploadUI from './imageupload/imageuploadui';\nimport ImageUploadProgress from './imageupload/imageuploadprogress';\nimport ImageUploadEditing from './imageupload/imageuploadediting';\n\n/**\n * The image upload plugin.\n *\n * For a detailed overview, check the {@glink features/image-upload/image-upload image upload feature} documentation.\n *\n * This plugin does not do anything directly, but it loads a set of specific plugins to enable image uploading:\n *\n * * {@link module:image/imageupload/imageuploadediting~ImageUploadEditing},\n * * {@link module:image/imageupload/imageuploadui~ImageUploadUI},\n * * {@link module:image/imageupload/imageuploadprogress~ImageUploadProgress}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUpload extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageUpload';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageUploadEditing, ImageUploadUI, ImageUploadProgress ];\n\t}\n}\n\n/**\n * The image upload configuration.\n *\n * @member {module:image/imageupload~ImageUploadConfig} module:image/image~ImageConfig#upload\n */\n\n/**\n * The configuration of the image upload feature. Used by the image upload feature in the `@ckeditor/ckeditor5-image` package.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\timage: {\n * \t\t\t\t\tupload:  ... // Image upload feature options.\n * \t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface module:image/imageupload~ImageUploadConfig\n */\n\n/**\n * The list of accepted image types.\n *\n * The accepted types of images can be customized to allow only certain types of images:\n *\n *\t\t// Allow only JPEG and PNG images:\n *\t\tconst imageUploadConfig = {\n *\t\t\ttypes: [ 'png', 'jpeg' ]\n *\t\t};\n *\n * The type string should match [one of the sub-types](https://www.iana.org/assignments/media-types/media-types.xhtml#image)\n * of the image MIME type. For example, for the `image/jpeg` MIME type, add `'jpeg'` to your image upload configuration.\n *\n * **Note:** This setting only restricts some image types to be selected and uploaded through the CKEditor UI and commands. Image type\n * recognition and filtering should also be implemented on the server which accepts image uploads.\n *\n * @member {Array.<String>} module:image/imageupload~ImageUploadConfig#types\n * @default [ 'jpeg', 'png', 'gif', 'bmp', 'webp', 'tiff' ]\n */\n","const childPagesMacroSymbol = Symbol( 'isWpButtonMacroSymbol' );\nimport {toWidget, isWidget} from '@ckeditor/ckeditor5-widget/src/utils';\n\nexport function toChildPagesMacroWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( childPagesMacroSymbol, true, viewElement );\n\treturn toWidget( viewElement, writer, { label: label });\n}\n\n\nexport function isChildPagesMacroWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( childPagesMacroSymbol ) && isWidget( viewElement );\n}\n\n\nexport function isChildPagesMacroWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isChildPagesMacroWidget( viewElement ) );\n}\n","import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport ViewPosition from '@ckeditor/ckeditor5-engine/src/view/position';\nimport ViewRange from '@ckeditor/ckeditor5-engine/src/view/range';\n\nimport {toChildPagesMacroWidget} from './utils';\n\nexport default class OPChildPagesEditing extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPChildPagesEditing';\n\t}\n\n\tstatic get buttonName(){\n\t\treturn \"insertChildPages\";\n\t}\n\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst conversion = editor.conversion;\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'op-macro-child-pages', {\n\t\t\tallowWhere: ['$block'],\n\t\t\tallowAttributes: ['page'],\n\t\t\tisBlock: true,\n\t\t\tisLimit: true\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'macro',\n\t\t\t\t\tclasses: 'child_pages'\n\t\t\t\t},\n\t\t\t\tmodel: ( viewElement, {writer:modelWriter} ) => {\n\t\t\t\t\tconst page = viewElement.getAttribute( 'data-page' ) || '';\n\t\t\t\t\tconst includeParent = viewElement.getAttribute( 'data-include-parent' ) == 'true';\n\n\t\t\t\t\treturn modelWriter.createElement(\n\t\t\t\t\t\t'op-macro-child-pages',\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tpage: page,\n\t\t\t\t\t\t\tincludeParent: includeParent\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t} );\n\n\n\t\tconversion.for( 'editingDowncast' )\n\t\t\t.elementToElement({\n\t\t\t\tmodel: 'op-macro-child-pages',\n\t\t\t\tview: (modelElement, {writer}) => {\n\t\t\t\t\treturn this.createMacroViewElement(modelElement, writer);\n\t\t\t\t}\n\t\t\t})\n\t\t\t.add(dispatcher => dispatcher.on( 'attribute:page', this.modelAttributeToView.bind(this)))\n\t\t\t.add(dispatcher => dispatcher.on( 'attribute:includeParent', this.modelAttributeToView.bind(this)));\n\n\t\tconversion.for('dataDowncast').elementToElement({\n\t\t\tmodel: 'op-macro-child-pages',\n\t\t\tview: (modelElement, {writer}) => {\n\t\t\t\tconst element = writer.createContainerElement(\n\t\t\t\t\t'macro',\n\t\t\t\t\t{\n\t\t\t\t\t\t'class': 'child_pages',\n\t\t\t\t\t\t'data-page': modelElement.getAttribute('page') || '',\n\t\t\t\t\t\t'data-include-parent': modelElement.getAttribute('includeParent') || ''\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\treturn element;\n\t\t\t}\n\t\t});\n\n\t\teditor.ui.componentFactory.add( OPChildPagesEditing.buttonName, locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: window.I18n.t('js.editor.macro.child_pages.button'),\n\t\t\t\twithText: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\teditor.model.change(writer => {\n\t\t\t\t\tconst element = writer.createElement( 'op-macro-child-pages', {});\n\n\t\t\t\t\teditor.model.insertContent( element, editor.model.document.selection );\n\t\t\t\t});\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tmodelAttributeToView( evt, data, conversionApi ) {\n\t\tconst modelElement = data.item;\n\t\tif (!modelElement.is('element', 'op-macro-child-pages')) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Mark element as consumed by conversion.\n\t\tconversionApi.consumable.consume(data.item, evt.name);\n\n\t\t// Get mapped view element to update.\n\t\tconst viewElement = conversionApi.mapper.toViewElement(modelElement);\n\n\t\t// Remove current <div> element contents.\n\t\tconversionApi.writer.remove(conversionApi.writer.createRangeIn(viewElement));\n\n\t\t// Set current content\n\t\tthis.setPlaceholderContent(conversionApi.writer, modelElement, viewElement);\n\t}\n\n\tmacroLabel() {\n\t\treturn window.I18n.t('js.editor.macro.child_pages.text');\n\t}\n\n\tpageLabel(page) {\n\t\tif (page && page.length > 0) {\n\t\t\treturn page\n\t\t} else {\n\t\t\treturn window.I18n.t('js.editor.macro.child_pages.this_page');\n\t\t}\n\t}\n\n\tincludeParentText(includeParent) {\n\t\tif (includeParent) {\n\t\t\treturn ` (${window.I18n.t('js.editor.macro.child_pages.include_parent')})`;\n\t\t} else {\n\t\t\treturn '';\n\t\t}\n\t}\n\n\tcreateMacroViewElement(modelElement, writer) {\n\t\tconst placeholderContainer = writer.createContainerElement( 'div' );\n\n\t\tthis.setPlaceholderContent( writer, modelElement, placeholderContainer );\n\n\t\treturn toChildPagesMacroWidget(placeholderContainer, writer, { label: this.macroLabel() } )\n\t}\n\n\tsetPlaceholderContent(writer, modelElement, placeholderContainer ) {\n\t\tconst page = modelElement.getAttribute('page');\n\t\tconst includeParent = modelElement.getAttribute('includeParent');\n\t\tconst macroLabel = this.macroLabel();\n\t\tconst pageLabel = this.pageLabel(page);\n\t\tconst pageLabelContainer = writer.createContainerElement( 'span', { class: 'macro-value' } );\n\t\tlet placeholderContent = [ writer.createText( `${macroLabel} ` ) ];\n\t\twriter.insert( writer.createPositionAt( pageLabelContainer, 0 ), writer.createText( `${pageLabel}` ) )\n\t\tplaceholderContent.push( pageLabelContainer );\n\t\tplaceholderContent.push( writer.createText( this.includeParentText(includeParent) ));\n\n\t\twriter.insert( writer.createPositionAt( placeholderContainer, 0 ), placeholderContent );\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport {isChildPagesMacroWidgetSelected} from './utils';\nimport {createToolbarEditButton} from '../../helpers/create-toolbar-edit-button';\nimport {createEditToolbar} from '../../helpers/create-toolbar';\nimport {getPluginContext} from '../op-context/op-context';\n\n\nconst balloonClassName = 'ck-toolbar-container';\n\nexport default class OPChildPagesToolbar extends Plugin {\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPChildPagesToolbar';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Add editing button\n\t\tcreateToolbarEditButton( editor, 'opEditChildPagesMacroButton', widget => {\n\t\t\tconst macroService = pluginContext.services.macros;\n\t\t\tconst pageAttribute = widget.getAttribute('page');\n\t\t\tconst includeParent = widget.getAttribute('includeParent');\n\t\t\tconst page = (pageAttribute && pageAttribute.length > 0) ? pageAttribute : '';\n\t\t\tmacroService\n\t\t\t\t.configureChildPages(page, includeParent)\n\t\t\t\t.then((macroConf) => model.change(writer => {\n\t\t\t\t\t\twriter.setAttribute( 'page', macroConf.page, widget );\n\t\t\t\t\t\twriter.setAttribute( 'includeParent', macroConf.includeParent, widget );\n\t\t\t\t\t})\n\t\t\t\t);\n\t\t} );\n\t}\n\n\tafterInit() {\n\t\t// Add actual toolbar\n\t\tcreateEditToolbar(\n\t\t\tthis,\n\t\t\tthis.editor,\n\t\t\t'OPChildPages',\n\t\t\tisChildPagesMacroWidgetSelected\n\t\t);\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/utils\n */\n\n/**\n * Returns attributes that should be preserved on the enter key.\n *\n * Filtering is realized based on `copyOnEnter` attribute property. Read more about attribute properties\n * {@link module:engine/model/schema~Schema#setAttributeProperties here}.\n *\n * @param {module:engine/model/schema~Schema} schema\n * @param {Iterable.<*>} allAttributes attributes to filter.\n * @returns {Iterable.<*>}\n */\nexport function* getCopyOnEnterAttributes( schema, allAttributes ) {\n\tfor ( const attribute of allAttributes ) {\n\t\tif ( attribute && schema.getAttributeProperties( attribute[ 0 ] ).copyOnEnter ) {\n\t\t\tyield attribute;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/entercommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getCopyOnEnterAttributes } from './utils';\n\n/**\n * Enter command. It is used by the {@link module:enter/enter~Enter Enter feature} to handle the <kbd>Enter</kbd> key.\n *\n * @extends module:core/command~Command\n */\nexport default class EnterCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tmodel.change( writer => {\n\t\t\tenterBlock( this.editor.model, writer, doc.selection, model.schema );\n\t\t\tthis.fire( 'afterExecute', { writer } );\n\t\t} );\n\t}\n}\n\n// Creates a new block in the way that the <kbd>Enter</kbd> key is expected to work.\n//\n// @param {module:engine/model~Model} model\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// Selection on which the action should be performed.\n// @param {module:engine/model/schema~Schema} schema\nfunction enterBlock( model, writer, selection, schema ) {\n\tconst isSelectionEmpty = selection.isCollapsed;\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\n\t// Don't touch the roots and other limit elements.\n\tif ( schema.isLimit( startElement ) || schema.isLimit( endElement ) ) {\n\t\t// Delete the selected content but only if inside a single limit element.\n\t\t// Abort, when crossing limit elements boundary (e.g. <limit1>x[x</limit1>donttouchme<limit2>y]y</limit2>).\n\t\t// This is an edge case and it's hard to tell what should actually happen because such a selection\n\t\t// is not entirely valid.\n\t\tif ( !isSelectionEmpty && startElement == endElement ) {\n\t\t\tmodel.deleteContent( selection );\n\t\t}\n\n\t\treturn;\n\t}\n\n\tif ( isSelectionEmpty ) {\n\t\tconst attributesToCopy = getCopyOnEnterAttributes( writer.model.schema, selection.getAttributes() );\n\t\tsplitBlock( writer, range.start );\n\t\twriter.setSelectionAttribute( attributesToCopy );\n\t} else {\n\t\tconst leaveUnmerged = !( range.start.isAtStart && range.end.isAtEnd );\n\t\tconst isContainedWithinOneElement = ( startElement == endElement );\n\n\t\tmodel.deleteContent( selection, { leaveUnmerged } );\n\n\t\tif ( leaveUnmerged ) {\n\t\t\t// Partially selected elements.\n\t\t\t//\n\t\t\t// <h>x[xx]x</h>\t\t-> <h>x^x</h>\t\t\t-> <h>x</h><h>^x</h>\n\t\t\tif ( isContainedWithinOneElement ) {\n\t\t\t\tsplitBlock( writer, selection.focus );\n\t\t\t}\n\t\t\t// Selection over multiple elements.\n\t\t\t//\n\t\t\t// <h>x[x</h><p>y]y<p>\t-> <h>x^</h><p>y</p>\t-> <h>x</h><p>^y</p>\n\t\t\telse {\n\t\t\t\twriter.setSelection( endElement, 0 );\n\t\t\t}\n\t\t}\n\t}\n}\n\nfunction splitBlock( writer, splitPos ) {\n\twriter.split( splitPos );\n\twriter.setSelection( splitPos.parent.nextSibling, 0 );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/enterobserver\n */\n\nimport Observer from '@ckeditor/ckeditor5-engine/src/view/observer/observer';\nimport DomEventData from '@ckeditor/ckeditor5-engine/src/view/observer/domeventdata';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * Enter observer introduces the {@link module:engine/view/document~Document#event:enter} event.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class EnterObserver extends Observer {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tconst doc = this.document;\n\n\t\tdoc.on( 'keydown', ( evt, data ) => {\n\t\t\tif ( this.isEnabled && data.keyCode == keyCodes.enter ) {\n\t\t\t\t// Save the event object to check later if it was stopped or not.\n\t\t\t\tlet event;\n\t\t\t\tdoc.once( 'enter', evt => ( event = evt ), { priority: 'highest' } );\n\n\t\t\t\tdoc.fire( 'enter', new DomEventData( doc, data.domEvent, {\n\t\t\t\t\tisSoft: data.shiftKey\n\t\t\t\t} ) );\n\n\t\t\t\t// Stop `keydown` event if `enter` event was stopped.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5/issues/753\n\t\t\t\tif ( event && event.stop.called ) {\n\t\t\t\t\tevt.stop();\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve() {}\n}\n\n/**\n * Event fired when the user presses the <kbd>Enter</kbd> key.\n *\n * Note: This event is fired by the {@link module:enter/enterobserver~EnterObserver observer}\n * (usually registered by the {@link module:enter/enter~Enter Enter feature} and\n * {@link module:enter/shiftenter~ShiftEnter ShiftEnter feature}).\n *\n * @event module:engine/view/document~Document#event:enter\n * @param {module:engine/view/observer/domeventdata~DomEventData} data\n * @param {Boolean} data.isSoft Whether it's a soft enter (<kbd>Shift</kbd>+<kbd>Enter</kbd>) or hard enter (<kbd>Enter</kbd>).\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/enter\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport EnterCommand from './entercommand';\nimport EnterObserver from './enterobserver';\n\n/**\n * This plugin handles the <kbd>Enter</kbd> key (hard line break) in the editor.\n *\n * See also the {@link module:enter/shiftenter~ShiftEnter} plugin.\n *\n * For more information about this feature see the {@glink api/enter package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Enter extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Enter';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\tview.addObserver( EnterObserver );\n\n\t\teditor.commands.add( 'enter', new EnterCommand( editor ) );\n\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tdata.preventDefault();\n\n\t\t\t// The soft enter key is handled by the ShiftEnter plugin.\n\t\t\tif ( data.isSoft ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\teditor.execute( 'enter' );\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/shiftentercommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getCopyOnEnterAttributes } from './utils';\n\n/**\n * ShiftEnter command. It is used by the {@link module:enter/shiftenter~ShiftEnter ShiftEnter feature} to handle\n * the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke.\n *\n * @extends module:core/command~Command\n */\nexport default class ShiftEnterCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tmodel.change( writer => {\n\t\t\tsoftBreakAction( model, writer, doc.selection );\n\t\t\tthis.fire( 'afterExecute', { writer } );\n\t\t} );\n\t}\n\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tthis.isEnabled = isEnabled( model.schema, doc.selection );\n\t}\n}\n\n// Checks whether the ShiftEnter command should be enabled in the specified selection.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\nfunction isEnabled( schema, selection ) {\n\t// At this moment it is okay to support single range selections only.\n\t// But in the future we may need to change that.\n\tif ( selection.rangeCount > 1 ) {\n\t\treturn false;\n\t}\n\n\tconst anchorPos = selection.anchor;\n\n\t// Check whether the break element can be inserted in the current selection anchor.\n\tif ( !anchorPos || !schema.checkChild( anchorPos, 'softBreak' ) ) {\n\t\treturn false;\n\t}\n\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\n\t// Do not modify the content if selection is cross-limit elements.\n\tif ( ( isInsideLimitElement( startElement, schema ) || isInsideLimitElement( endElement, schema ) ) && startElement !== endElement ) {\n\t\treturn false;\n\t}\n\n\treturn true;\n}\n\n// Creates a break in the way that the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke is expected to work.\n//\n// @param {module:engine/model~Model} model\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// Selection on which the action should be performed.\nfunction softBreakAction( model, writer, selection ) {\n\tconst isSelectionEmpty = selection.isCollapsed;\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\tconst isContainedWithinOneElement = ( startElement == endElement );\n\n\tif ( isSelectionEmpty ) {\n\t\tconst attributesToCopy = getCopyOnEnterAttributes( model.schema, selection.getAttributes() );\n\t\tinsertBreak( model, writer, range.end );\n\n\t\twriter.removeSelectionAttribute( selection.getAttributeKeys() );\n\t\twriter.setSelectionAttribute( attributesToCopy );\n\t} else {\n\t\tconst leaveUnmerged = !( range.start.isAtStart && range.end.isAtEnd );\n\t\tmodel.deleteContent( selection, { leaveUnmerged } );\n\n\t\t// Selection within one element:\n\t\t//\n\t\t// <h>x[xx]x</h>\t\t-> <h>x^x</h>\t\t\t-> <h>x<br>^x</h>\n\t\tif ( isContainedWithinOneElement ) {\n\t\t\tinsertBreak( model, writer, selection.focus );\n\t\t}\n\t\t// Selection over multiple elements.\n\t\t//\n\t\t// <h>x[x</h><p>y]y<p>\t-> <h>x^</h><p>y</p>\t-> <h>x</h><p>^y</p>\n\t\t//\n\t\t// We chose not to insert a line break in this case because:\n\t\t//\n\t\t// * it's not a very common scenario,\n\t\t// * it actually surprised me when I saw the \"expected behavior\" in real life.\n\t\t//\n\t\t// It's ok if the user will need to be more specific where they want the <br> to be inserted.\n\t\telse {\n\t\t\t// Move the selection to the 2nd element (last step of the example above).\n\t\t\tif ( leaveUnmerged ) {\n\t\t\t\twriter.setSelection( endElement, 0 );\n\t\t\t}\n\t\t}\n\t}\n}\n\nfunction insertBreak( model, writer, position ) {\n\tconst breakLineElement = writer.createElement( 'softBreak' );\n\n\tmodel.insertContent( breakLineElement, position );\n\twriter.setSelection( breakLineElement, 'after' );\n}\n\n// Checks whether the specified `element` is a child of the limit element.\n//\n// Checking whether the `<p>` element is inside a limit element:\n//   - <$root><p>Text.</p></$root> => false\n//   - <$root><limitElement><p>Text</p></limitElement></$root> => true\n//\n// @param {module:engine/model/element~Element} element\n// @param {module:engine/schema~Schema} schema\n// @returns {Boolean}\nfunction isInsideLimitElement( element, schema ) {\n\t// `$root` is a limit element but in this case is an invalid element.\n\tif ( element.is( 'rootElement' ) ) {\n\t\treturn false;\n\t}\n\n\treturn schema.isLimit( element ) || isInsideLimitElement( element.parent, schema );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/shiftenter\n */\n\nimport ShiftEnterCommand from './shiftentercommand';\nimport EnterObserver from './enterobserver';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * This plugin handles the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke (soft line break) in the editor.\n *\n * See also the {@link module:enter/enter~Enter} plugin.\n *\n * For more information about this feature see the {@glink api/enter package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ShiftEnter extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ShiftEnter';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// Configure the schema.\n\t\tschema.register( 'softBreak', {\n\t\t\tallowWhere: '$text',\n\t\t\tisInline: true\n\t\t} );\n\n\t\t// Configure converters.\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'softBreak',\n\t\t\t\tview: 'br'\n\t\t\t} );\n\n\t\tconversion.for( 'downcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'softBreak',\n\t\t\t\tview: ( modelElement, { writer } ) => writer.createEmptyElement( 'br' )\n\t\t\t} );\n\n\t\tview.addObserver( EnterObserver );\n\n\t\teditor.commands.add( 'shiftEnter', new ShiftEnterCommand( editor ) );\n\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tdata.preventDefault();\n\n\t\t\t// The hard enter key is handled by the Enter plugin.\n\t\t\tif ( !data.isSoft ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\teditor.execute( 'shiftEnter' );\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module select-all/selectallcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\n/**\n * The select all command.\n *\n * It is used by the {@link module:select-all/selectallediting~SelectAllEditing select all editing feature} to handle\n * the <kbd>Ctrl/⌘</kbd>+<kbd>A</kbd> keystroke.\n *\n * Executing this command changes the {@glink framework/guides/architecture/editing-engine#model model}\n * selection so it contains the entire content of the editable root of the editor the selection is\n * {@link module:engine/model/selection~Selection#anchor anchored} in.\n *\n * If the selection was anchored in a {@glink framework/guides/tutorials/implementing-a-block-widget nested editable}\n * (e.g. a caption of an image), the new selection will contain its entire content. Successive executions of this command\n * will expand the selection to encompass more and more content up to the entire editable root of the editor.\n *\n * @extends module:core/command~Command\n */\nexport default class SelectAllCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tlet scopeElement = model.schema.getLimitElement( selection );\n\n\t\t// If an entire scope is selected, or the selection's ancestor is not a scope yet,\n\t\t// browse through ancestors to find the enclosing parent scope.\n\t\tif ( selection.containsEntireContent( scopeElement ) || !isSelectAllScope( model.schema, scopeElement ) ) {\n\t\t\tdo {\n\t\t\t\tscopeElement = scopeElement.parent;\n\n\t\t\t\t// Do nothing, if the entire `root` is already selected.\n\t\t\t\tif ( !scopeElement ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t} while ( !isSelectAllScope( model.schema, scopeElement ) );\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setSelection( scopeElement, 'in' );\n\t\t} );\n\t}\n}\n\n// Checks whether the element is a valid select-all scope.\n// Returns true, if the element is a {@link module:engine/model/schema~Schema#isLimit limit},\n// and can contain any text or paragraph.\n//\n// @param {module:engine/model/schema~Schema} schema The schema to check against.\n// @param {module:engine/model/element~Element} element\n// @return {Boolean}\nfunction isSelectAllScope( schema, element ) {\n\treturn schema.isLimit( element ) && ( schema.checkChild( element, '$text' ) || schema.checkChild( element, 'paragraph' ) );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module select-all/selectallediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport { getCode, parseKeystroke } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport SelectAllCommand from './selectallcommand';\n\nconst SELECT_ALL_KEYSTROKE = parseKeystroke( 'Ctrl+A' );\n\n/**\n * The select all editing feature.\n *\n * It registers the `'selectAll'` {@link module:select-all/selectallcommand~SelectAllCommand command}\n * and the <kbd>Ctrl/⌘</kbd>+<kbd>A</kbd> keystroke listener which executes it.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class SelectAllEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'SelectAllEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\teditor.commands.add( 'selectAll', new SelectAllCommand( editor ) );\n\n\t\tthis.listenTo( viewDocument, 'keydown', ( eventInfo, domEventData ) => {\n\t\t\tif ( getCode( domEventData ) === SELECT_ALL_KEYSTROKE ) {\n\t\t\t\teditor.execute( 'selectAll' );\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module select-all/selectallui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport selectAllIcon from '../theme/icons/select-all.svg';\n\n/**\n * The select all UI feature.\n *\n * It registers the `'selectAll'` UI button in the editor's\n * {@link module:ui/componentfactory~ComponentFactory component factory}. When clicked, the button\n * executes the {@link module:select-all/selectallcommand~SelectAllCommand select all command}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class SelectAllUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'SelectAllUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\teditor.ui.componentFactory.add( 'selectAll', locale => {\n\t\t\tconst command = editor.commands.get( 'selectAll' );\n\t\t\tconst view = new ButtonView( locale );\n\t\t\tconst t = locale.t;\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Select all' ),\n\t\t\t\ticon: selectAllIcon,\n\t\t\t\tkeystroke: 'Ctrl+A',\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute the command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( 'selectAll' );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg width=\\\"20\\\" height=\\\"20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module select-all/selectall\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport SelectAllEditing from './selectallediting';\nimport SelectAllUI from './selectallui';\n\n/**\n * The select all feature.\n *\n * This is a \"glue\" plugin which loads the {@link module:select-all/selectallediting~SelectAllEditing select all editing feature}\n * and the {@link module:select-all/selectallui~SelectAllUI select all UI feature}.\n *\n * Please refer to the documentation of individual features to learn more.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class SelectAll extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ SelectAllEditing, SelectAllUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'SelectAll';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/changebuffer\n */\n\n/**\n * Change buffer allows to group atomic changes (like characters that have been typed) into\n * {@link module:engine/model/batch~Batch batches}.\n *\n * Batches represent single undo steps, hence changes added to one single batch are undone together.\n *\n * The buffer has a configurable limit of atomic changes that it can accommodate. After the limit was\n * exceeded (see {@link ~ChangeBuffer#input}), a new batch is created in {@link ~ChangeBuffer#batch}.\n *\n * To use the change buffer you need to let it know about the number of changes that were added to the batch:\n *\n *\t\tconst buffer = new ChangeBuffer( model, LIMIT );\n *\n *\t\t// Later on in your feature:\n *\t\tbuffer.batch.insert( pos, insertedCharacters );\n *\t\tbuffer.input( insertedCharacters.length );\n *\n */\nexport default class ChangeBuffer {\n\t/**\n\t * Creates a new instance of the change buffer.\n\t *\n\t * @param {module:engine/model/model~Model} model\n\t * @param {Number} [limit=20] The maximum number of atomic changes which can be contained in one batch.\n\t */\n\tconstructor( model, limit = 20 ) {\n\t\t/**\n\t\t * The model instance.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model} #model\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * The number of atomic changes in the buffer. Once it exceeds the {@link #limit},\n\t\t * the {@link #batch batch} is set to a new one.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #size\n\t\t */\n\t\tthis.size = 0;\n\n\t\t/**\n\t\t * The maximum number of atomic changes which can be contained in one batch.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #limit\n\t\t */\n\t\tthis.limit = limit;\n\n\t\t/**\n\t\t * Whether the buffer is locked. A locked buffer cannot be reset unless it gets unlocked.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isLocked\n\t\t */\n\t\tthis.isLocked = false;\n\n\t\t// The function to be called in order to notify the buffer about batches which appeared in the document.\n\t\t// The callback will check whether it is a new batch and in that case the buffer will be flushed.\n\t\t//\n\t\t// The reason why the buffer needs to be flushed whenever a new batch appears is that the changes added afterwards\n\t\t// should be added to a new batch. For instance, when the  user types, then inserts an image, and then types again,\n\t\t// the characters typed after inserting the image should be added to a different batch than the characters typed before.\n\t\tthis._changeCallback = ( evt, batch ) => {\n\t\t\tif ( batch.type != 'transparent' && batch !== this._batch ) {\n\t\t\t\tthis._reset( true );\n\t\t\t}\n\t\t};\n\n\t\tthis._selectionChangeCallback = () => {\n\t\t\tthis._reset();\n\t\t};\n\n\t\tthis.model.document.on( 'change', this._changeCallback );\n\n\t\tthis.model.document.selection.on( 'change:range', this._selectionChangeCallback );\n\t\tthis.model.document.selection.on( 'change:attribute', this._selectionChangeCallback );\n\n\t\t/**\n\t\t * The current batch instance.\n\t\t *\n\t\t * @private\n\t\t * @member #_batch\n\t\t */\n\n\t\t/**\n\t\t * The callback to document the change event which later needs to be removed.\n\t\t *\n\t\t * @private\n\t\t * @member #_changeCallback\n\t\t */\n\n\t\t/**\n\t\t * The callback to document selection `change:attribute` and `change:range` events which resets the buffer.\n\t\t *\n\t\t * @private\n\t\t * @member #_selectionChangeCallback\n\t\t */\n\t}\n\n\t/**\n\t * The current batch to which a feature should add its operations. Once the {@link #size}\n\t * is reached or exceeds the {@link #limit}, the batch is set to a new instance and the size is reset.\n\t *\n\t * @type {module:engine/model/batch~Batch}\n\t */\n\tget batch() {\n\t\tif ( !this._batch ) {\n\t\t\tthis._batch = this.model.createBatch();\n\t\t}\n\n\t\treturn this._batch;\n\t}\n\n\t/**\n\t * The input number of changes into the buffer. Once the {@link #size} is\n\t * reached or exceeds the {@link #limit}, the batch is set to a new instance and the size is reset.\n\t *\n\t * @param {Number} changeCount The number of atomic changes to input.\n\t */\n\tinput( changeCount ) {\n\t\tthis.size += changeCount;\n\n\t\tif ( this.size >= this.limit ) {\n\t\t\tthis._reset( true );\n\t\t}\n\t}\n\n\t/**\n\t * Locks the buffer.\n\t */\n\tlock() {\n\t\tthis.isLocked = true;\n\t}\n\n\t/**\n\t * Unlocks the buffer.\n\t */\n\tunlock() {\n\t\tthis.isLocked = false;\n\t}\n\n\t/**\n\t * Destroys the buffer.\n\t */\n\tdestroy() {\n\t\tthis.model.document.off( 'change', this._changeCallback );\n\t\tthis.model.document.selection.off( 'change:range', this._selectionChangeCallback );\n\t\tthis.model.document.selection.off( 'change:attribute', this._selectionChangeCallback );\n\t}\n\n\t/**\n\t * Resets the change buffer.\n\t *\n\t * @private\n\t * @param {Boolean} [ignoreLock] Whether internal lock {@link #isLocked} should be ignored.\n\t */\n\t_reset( ignoreLock ) {\n\t\tif ( !this.isLocked || ignoreLock ) {\n\t\t\tthis._batch = null;\n\t\t\tthis.size = 0;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/inputcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport ChangeBuffer from './utils/changebuffer';\n\n/**\n * The input command. Used by the {@link module:typing/input~Input input feature} to handle typing.\n *\n * @extends module:core/command~Command\n */\nexport default class InputCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {Number} undoStepSize The maximum number of atomic changes\n\t * which can be contained in one batch in the command buffer.\n\t */\n\tconstructor( editor, undoStepSize ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * Typing's change buffer used to group subsequent changes into batches.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {module:typing/utils/changebuffer~ChangeBuffer} #_buffer\n\t\t */\n\t\tthis._buffer = new ChangeBuffer( editor.model, undoStepSize );\n\n\t\t/**\n\t\t * Stores batches created by the input command. The batches are used to differentiate input batches from other batches using\n\t\t * {@link module:typing/input~Input#isInput} method.\n\t\t *\n\t\t * @type {WeakSet<module:engine/model/batch~Batch>}\n\t\t * @protected\n\t\t */\n\t\tthis._batches = new WeakSet();\n\t}\n\n\t/**\n\t * The current change buffer.\n\t *\n\t * @type {module:typing/utils/changebuffer~ChangeBuffer}\n\t */\n\tget buffer() {\n\t\treturn this._buffer;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis._buffer.destroy();\n\t}\n\n\t/**\n\t * Executes the input command. It replaces the content within the given range with the given text.\n\t * Replacing is a two step process, first the content within the range is removed and then the new text is inserted\n\t * at the beginning of the range (which after the removal is a collapsed range).\n\t *\n\t * @fires execute\n\t * @param {Object} [options] The command options.\n\t * @param {String} [options.text=''] The text to be inserted.\n\t * @param {module:engine/model/range~Range} [options.range] The range in which the text is inserted. Defaults\n\t * to the first range in the current selection.\n\t * @param {module:engine/model/range~Range} [options.resultRange] The range where the selection\n\t * should be placed after the insertion. If not specified, the selection will be placed right after\n\t * the inserted text.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst text = options.text || '';\n\t\tconst textInsertions = text.length;\n\t\tconst selection = options.range ? model.createSelection( options.range ) : doc.selection;\n\t\tconst resultRange = options.resultRange;\n\n\t\tmodel.enqueueChange( this._buffer.batch, writer => {\n\t\t\tthis._buffer.lock();\n\n\t\t\t// Store the batch as an 'input' batch for the Input.isInput( batch ) check.\n\t\t\tthis._batches.add( this._buffer.batch );\n\n\t\t\tmodel.deleteContent( selection );\n\n\t\t\tif ( text ) {\n\t\t\t\tmodel.insertContent( writer.createText( text, doc.selection.getAttributes() ), selection );\n\t\t\t}\n\n\t\t\tif ( resultRange ) {\n\t\t\t\twriter.setSelection( resultRange );\n\t\t\t} else if ( !selection.is( 'documentSelection' ) ) {\n\t\t\t\twriter.setSelection( selection );\n\t\t\t}\n\n\t\t\tthis._buffer.unlock();\n\n\t\t\tthis._buffer.input( textInsertions );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/utils\n */\n\nimport diff from '@ckeditor/ckeditor5-utils/src/diff';\nimport diffToChanges from '@ckeditor/ckeditor5-utils/src/difftochanges';\n\n/**\n * Returns true if container children have mutated or more than a single text node was changed.\n *\n * @private\n * @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|\n * module:engine/view/observer/mutationobserver~MutatedChildren>} mutations\n * @returns {Boolean}\n */\nexport function containerChildrenMutated( mutations ) {\n\tif ( mutations.length == 0 ) {\n\t\treturn false;\n\t}\n\n\t// Check if there is any mutation of `children` type or any mutation that changes more than one text node.\n\tfor ( const mutation of mutations ) {\n\t\tif ( mutation.type === 'children' && !getSingleTextNodeChange( mutation ) ) {\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\n/**\n * Returns change made to a single text node.\n *\n * @private\n * @param {module:engine/view/observer/mutationobserver~MutatedText|\n * module:engine/view/observer/mutationobserver~MutatedChildren} mutation\n * @returns {Object|undefined} Change object (see {@link module:utils/difftochanges~diffToChanges} output)\n * or undefined if more than a single text node was changed.\n */\nexport function getSingleTextNodeChange( mutation ) {\n\t// One new node.\n\tif ( mutation.newChildren.length - mutation.oldChildren.length != 1 ) {\n\t\treturn;\n\t}\n\n\t// Which is text.\n\tconst diffResult = diff( mutation.oldChildren, mutation.newChildren, compareChildNodes );\n\tconst changes = diffToChanges( diffResult, mutation.newChildren );\n\n\t// In case of [ delete, insert, insert ] the previous check will not exit.\n\tif ( changes.length > 1 ) {\n\t\treturn;\n\t}\n\n\tconst change = changes[ 0 ];\n\n\t// Which is text.\n\tif ( !( !!change.values[ 0 ] && change.values[ 0 ].is( '$text' ) ) ) {\n\t\treturn;\n\t}\n\n\treturn change;\n}\n\n/**\n * Checks whether two view nodes are identical, which means they are the same object\n * or contain exactly same data (in case of text nodes).\n *\n * @private\n * @param {module:engine/view/node~Node} oldChild\n * @param {module:engine/view/node~Node} newChild\n * @returns {Boolean}\n */\nexport function compareChildNodes( oldChild, newChild ) {\n\tif ( !!oldChild && oldChild.is( '$text' ) && !!newChild && newChild.is( '$text' ) ) {\n\t\treturn oldChild.data === newChild.data;\n\t} else {\n\t\treturn oldChild === newChild;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/difftochanges\n */\n\n/**\n * Creates a set of changes which need to be applied to the input in order to transform\n * it into the output. This function can be used with strings or arrays.\n *\n *\t\tconst input = Array.from( 'abc' );\n *\t\tconst output = Array.from( 'xaby' );\n *\t\tconst changes = diffToChanges( diff( input, output ), output );\n *\n *\t\tchanges.forEach( change => {\n *\t\t\tif ( change.type == 'insert' ) {\n *\t\t\t\tinput.splice( change.index, 0, ...change.values );\n *\t\t\t} else if ( change.type == 'delete' ) {\n *\t\t\t\tinput.splice( change.index, change.howMany );\n *\t\t\t}\n *\t\t} );\n *\n *\t\tinput.join( '' ) == output.join( '' ); // -> true\n *\n * @param {Array.<'equal'|'insert'|'delete'>} diff Result of {@link module:utils/diff~diff}.\n * @param {String|Array} output The string or array which was passed as diff's output.\n * @returns {Array.<Object>} Set of changes (insert or delete) which need to be applied to the input\n * in order to transform it into the output.\n */\nexport default function diffToChanges( diff, output ) {\n\tconst changes = [];\n\tlet index = 0;\n\tlet lastOperation;\n\n\tdiff.forEach( change => {\n\t\tif ( change == 'equal' ) {\n\t\t\tpushLast();\n\n\t\t\tindex++;\n\t\t} else if ( change == 'insert' ) {\n\t\t\tif ( isContinuationOf( 'insert' ) ) {\n\t\t\t\tlastOperation.values.push( output[ index ] );\n\t\t\t} else {\n\t\t\t\tpushLast();\n\n\t\t\t\tlastOperation = {\n\t\t\t\t\ttype: 'insert',\n\t\t\t\t\tindex,\n\t\t\t\t\tvalues: [ output[ index ] ]\n\t\t\t\t};\n\t\t\t}\n\n\t\t\tindex++;\n\t\t} else /* if ( change == 'delete' ) */ {\n\t\t\tif ( isContinuationOf( 'delete' ) ) {\n\t\t\t\tlastOperation.howMany++;\n\t\t\t} else {\n\t\t\t\tpushLast();\n\n\t\t\t\tlastOperation = {\n\t\t\t\t\ttype: 'delete',\n\t\t\t\t\tindex,\n\t\t\t\t\thowMany: 1\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\t} );\n\n\tpushLast();\n\n\treturn changes;\n\n\tfunction pushLast() {\n\t\tif ( lastOperation ) {\n\t\t\tchanges.push( lastOperation );\n\t\t\tlastOperation = null;\n\t\t}\n\t}\n\n\tfunction isContinuationOf( expected ) {\n\t\treturn lastOperation && lastOperation.type == expected;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/injecttypingmutationshandling\n */\n\nimport diff from '@ckeditor/ckeditor5-utils/src/diff';\nimport DomConverter from '@ckeditor/ckeditor5-engine/src/view/domconverter';\n\nimport { getSingleTextNodeChange, containerChildrenMutated } from './utils';\n\n/**\n * Handles mutations caused by normal typing.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n */\nexport default function injectTypingMutationsHandling( editor ) {\n\teditor.editing.view.document.on( 'mutations', ( evt, mutations, viewSelection ) => {\n\t\tnew MutationHandler( editor ).handle( mutations, viewSelection );\n\t} );\n}\n\n/**\n * Helper class for translating DOM mutations into model changes.\n *\n * @private\n */\nclass MutationHandler {\n\t/**\n\t * Creates an instance of the mutation handler.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * Editor instance for which mutations are handled.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor} #editor\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * The editing controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/controller/editingcontroller~EditingController} #editing\n\t\t */\n\t\tthis.editing = this.editor.editing;\n\t}\n\n\t/**\n\t * Handles given mutations.\n\t *\n\t * @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|\n\t * module:engine/view/observer/mutationobserver~MutatedChildren>} mutations\n\t * @param {module:engine/view/selection~Selection|null} viewSelection\n\t */\n\thandle( mutations, viewSelection ) {\n\t\tif ( containerChildrenMutated( mutations ) ) {\n\t\t\tthis._handleContainerChildrenMutations( mutations, viewSelection );\n\t\t} else {\n\t\t\tfor ( const mutation of mutations ) {\n\t\t\t\t// Fortunately it will never be both.\n\t\t\t\tthis._handleTextMutation( mutation, viewSelection );\n\t\t\t\tthis._handleTextNodeInsertion( mutation );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Handles situations when container's children mutated during input. This can happen when\n\t * the browser is trying to \"fix\" DOM in certain situations. For example, when the user starts to type\n\t * in `<p><a href=\"\"><i>Link{}</i></a></p>`, the browser might change the order of elements\n\t * to `<p><i><a href=\"\">Link</a>x{}</i></p>`. A similar situation happens when the spell checker\n\t * replaces a word wrapped with `<strong>` with a word wrapped with a `<b>` element.\n\t *\n\t * To handle such situations, the common DOM ancestor of all mutations is converted to the model representation\n\t * and then compared with the current model to calculate the proper text change.\n\t *\n\t * Note: Single text node insertion is handled in {@link #_handleTextNodeInsertion} and text node mutation is handled\n\t * in {@link #_handleTextMutation}).\n\t *\n\t * @private\n\t * @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|\n\t * module:engine/view/observer/mutationobserver~MutatedChildren>} mutations\n\t * @param {module:engine/view/selection~Selection|null} viewSelection\n\t */\n\t_handleContainerChildrenMutations( mutations, viewSelection ) {\n\t\t// Get common ancestor of all mutations.\n\t\tconst mutationsCommonAncestor = getMutationsContainer( mutations );\n\n\t\t// Quit if there is no common ancestor.\n\t\tif ( !mutationsCommonAncestor ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst domConverter = this.editor.editing.view.domConverter;\n\n\t\t// Get common ancestor in DOM.\n\t\tconst domMutationCommonAncestor = domConverter.mapViewToDom( mutationsCommonAncestor );\n\n\t\t// Create fresh DomConverter so it will not use existing mapping and convert current DOM to model.\n\t\t// This wouldn't be needed if DomConverter would allow to create fresh view without checking any mappings.\n\t\tconst freshDomConverter = new DomConverter( this.editor.editing.view.document );\n\t\tconst modelFromCurrentDom = this.editor.data.toModel(\n\t\t\tfreshDomConverter.domToView( domMutationCommonAncestor )\n\t\t).getChild( 0 );\n\n\t\t// Current model.\n\t\tconst currentModel = this.editor.editing.mapper.toModelElement( mutationsCommonAncestor );\n\n\t\t// If common ancestor is not mapped, do not do anything. It probably is a parent of another view element.\n\t\t// That means that we would need to diff model elements (see `if` below). Better return early instead of\n\t\t// trying to get a reasonable model ancestor. It will fell into the `if` below anyway.\n\t\t// This situation happens for example for lists. If `<ul>` is a common ancestor, `currentModel` is `undefined`\n\t\t// because `<ul>` is not mapped (`<li>`s are).\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/718.\n\t\tif ( !currentModel ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Get children from both ancestors.\n\t\tconst modelFromDomChildren = Array.from( modelFromCurrentDom.getChildren() );\n\t\tconst currentModelChildren = Array.from( currentModel.getChildren() );\n\n\t\t// Remove the last `<softBreak>` from the end of `modelFromDomChildren` if there is no `<softBreak>` in current model.\n\t\t// If the described scenario happened, it means that this is a bogus `<br />` added by a browser.\n\t\tconst lastDomChild = modelFromDomChildren[ modelFromDomChildren.length - 1 ];\n\t\tconst lastCurrentChild = currentModelChildren[ currentModelChildren.length - 1 ];\n\n\t\tconst isLastDomChildSoftBreak = lastDomChild && lastDomChild.is( 'element', 'softBreak' );\n\t\tconst isLastCurrentChildSoftBreak = lastCurrentChild && !lastCurrentChild.is( 'element', 'softBreak' );\n\n\t\tif ( isLastDomChildSoftBreak && isLastCurrentChildSoftBreak ) {\n\t\t\tmodelFromDomChildren.pop();\n\t\t}\n\n\t\tconst schema = this.editor.model.schema;\n\n\t\t// Skip situations when common ancestor has any container elements.\n\t\tif ( !isSafeForTextMutation( modelFromDomChildren, schema ) || !isSafeForTextMutation( currentModelChildren, schema ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Replace &nbsp; inserted by the browser with normal space. See comment in `_handleTextMutation`.\n\t\t// Replace non-texts with any character. This is potentially dangerous but passes in manual tests. The thing is\n\t\t// that we need to take care of proper indexes so we cannot simply remove non-text elements from the content.\n\t\t// By inserting a character we keep all the real texts on their indexes.\n\t\tconst newText = modelFromDomChildren.map( item => item.is( '$text' ) ? item.data : '@' ).join( '' ).replace( /\\u00A0/g, ' ' );\n\t\tconst oldText = currentModelChildren.map( item => item.is( '$text' ) ? item.data : '@' ).join( '' ).replace( /\\u00A0/g, ' ' );\n\n\t\t// Do nothing if mutations created same text.\n\t\tif ( oldText === newText ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst diffResult = diff( oldText, newText );\n\n\t\tconst { firstChangeAt, insertions, deletions } = calculateChanges( diffResult );\n\n\t\t// Try setting new model selection according to passed view selection.\n\t\tlet modelSelectionRange = null;\n\n\t\tif ( viewSelection ) {\n\t\t\tmodelSelectionRange = this.editing.mapper.toModelRange( viewSelection.getFirstRange() );\n\t\t}\n\n\t\tconst insertText = newText.substr( firstChangeAt, insertions );\n\t\tconst removeRange = this.editor.model.createRange(\n\t\t\tthis.editor.model.createPositionAt( currentModel, firstChangeAt ),\n\t\t\tthis.editor.model.createPositionAt( currentModel, firstChangeAt + deletions )\n\t\t);\n\n\t\tthis.editor.execute( 'input', {\n\t\t\ttext: insertText,\n\t\t\trange: removeRange,\n\t\t\tresultRange: modelSelectionRange\n\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_handleTextMutation( mutation, viewSelection ) {\n\t\tif ( mutation.type != 'text' ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Replace &nbsp; inserted by the browser with normal space.\n\t\t// We want only normal spaces in the model and in the view. Renderer and DOM Converter will be then responsible\n\t\t// for rendering consecutive spaces using &nbsp;, but the model and the view has to be clear.\n\t\t// Other feature may introduce inserting non-breakable space on specific key stroke (for example shift + space).\n\t\t// However then it will be handled outside of mutations, like enter key is.\n\t\t// The replacing is here because it has to be done before `diff` and `diffToChanges` functions, as they\n\t\t// take `newText` and compare it to (cleaned up) view.\n\t\t// It could also be done in mutation observer too, however if any outside plugin would like to\n\t\t// introduce additional events for mutations, they would get already cleaned up version (this may be good or not).\n\t\tconst newText = mutation.newText.replace( /\\u00A0/g, ' ' );\n\t\t// To have correct `diffResult`, we also compare view node text data with &nbsp; replaced by space.\n\t\tconst oldText = mutation.oldText.replace( /\\u00A0/g, ' ' );\n\n\t\t// Do nothing if mutations created same text.\n\t\tif ( oldText === newText ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst diffResult = diff( oldText, newText );\n\n\t\tconst { firstChangeAt, insertions, deletions } = calculateChanges( diffResult );\n\n\t\t// Try setting new model selection according to passed view selection.\n\t\tlet modelSelectionRange = null;\n\n\t\tif ( viewSelection ) {\n\t\t\tmodelSelectionRange = this.editing.mapper.toModelRange( viewSelection.getFirstRange() );\n\t\t}\n\n\t\t// Get the position in view and model where the changes will happen.\n\t\tconst viewPos = this.editing.view.createPositionAt( mutation.node, firstChangeAt );\n\t\tconst modelPos = this.editing.mapper.toModelPosition( viewPos );\n\t\tconst removeRange = this.editor.model.createRange( modelPos, modelPos.getShiftedBy( deletions ) );\n\t\tconst insertText = newText.substr( firstChangeAt, insertions );\n\n\t\tthis.editor.execute( 'input', {\n\t\t\ttext: insertText,\n\t\t\trange: removeRange,\n\t\t\tresultRange: modelSelectionRange\n\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_handleTextNodeInsertion( mutation ) {\n\t\tif ( mutation.type != 'children' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst change = getSingleTextNodeChange( mutation );\n\t\tconst viewPos = this.editing.view.createPositionAt( mutation.node, change.index );\n\t\tconst modelPos = this.editing.mapper.toModelPosition( viewPos );\n\t\tconst insertedText = change.values[ 0 ].data;\n\n\t\tthis.editor.execute( 'input', {\n\t\t\t// Replace &nbsp; inserted by the browser with normal space.\n\t\t\t// See comment in `_handleTextMutation`.\n\t\t\t// In this case we don't need to do this before `diff` because we diff whole nodes.\n\t\t\t// Just change &nbsp; in case there are some.\n\t\t\ttext: insertedText.replace( /\\u00A0/g, ' ' ),\n\t\t\trange: this.editor.model.createRange( modelPos )\n\t\t} );\n\t}\n}\n\n// Returns first common ancestor of all mutations that is either {@link module:engine/view/containerelement~ContainerElement}\n// or {@link module:engine/view/rootelement~RootElement}.\n//\n// @private\n// @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|\n// module:engine/view/observer/mutationobserver~MutatedChildren>} mutations\n// @returns {module:engine/view/containerelement~ContainerElement|engine/view/rootelement~RootElement|undefined}\nfunction getMutationsContainer( mutations ) {\n\tconst lca = mutations\n\t\t.map( mutation => mutation.node )\n\t\t.reduce( ( commonAncestor, node ) => {\n\t\t\treturn commonAncestor.getCommonAncestor( node, { includeSelf: true } );\n\t\t} );\n\n\tif ( !lca ) {\n\t\treturn;\n\t}\n\n\t// We need to look for container and root elements only, so check all LCA's\n\t// ancestors (starting from itself).\n\treturn lca.getAncestors( { includeSelf: true, parentFirst: true } )\n\t\t.find( element => element.is( 'containerElement' ) || element.is( 'rootElement' ) );\n}\n\n// Returns true if provided array contains content that won't be problematic during diffing and text mutation handling.\n//\n// @param {Array.<module:engine/model/node~Node>} children\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction isSafeForTextMutation( children, schema ) {\n\treturn children.every( child => schema.isInline( child ) );\n}\n\n// Calculates first change index and number of characters that should be inserted and deleted starting from that index.\n//\n// @private\n// @param diffResult\n// @returns {{insertions: number, deletions: number, firstChangeAt: *}}\nfunction calculateChanges( diffResult ) {\n\t// Index where the first change happens. Used to set the position from which nodes will be removed and where will be inserted.\n\tlet firstChangeAt = null;\n\t// Index where the last change happens. Used to properly count how many characters have to be removed and inserted.\n\tlet lastChangeAt = null;\n\n\t// Get `firstChangeAt` and `lastChangeAt`.\n\tfor ( let i = 0; i < diffResult.length; i++ ) {\n\t\tconst change = diffResult[ i ];\n\n\t\tif ( change != 'equal' ) {\n\t\t\tfirstChangeAt = firstChangeAt === null ? i : firstChangeAt;\n\t\t\tlastChangeAt = i;\n\t\t}\n\t}\n\n\t// How many characters, starting from `firstChangeAt`, should be removed.\n\tlet deletions = 0;\n\t// How many characters, starting from `firstChangeAt`, should be inserted.\n\tlet insertions = 0;\n\n\tfor ( let i = firstChangeAt; i <= lastChangeAt; i++ ) {\n\t\t// If there is no change (equal) or delete, the character is existing in `oldText`. We count it for removing.\n\t\tif ( diffResult[ i ] != 'insert' ) {\n\t\t\tdeletions++;\n\t\t}\n\n\t\t// If there is no change (equal) or insert, the character is existing in `newText`. We count it for inserting.\n\t\tif ( diffResult[ i ] != 'delete' ) {\n\t\t\tinsertions++;\n\t\t}\n\t}\n\n\treturn { insertions, deletions, firstChangeAt };\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/input\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport InputCommand from './inputcommand';\n\nimport injectUnsafeKeystrokesHandling from './utils/injectunsafekeystrokeshandling';\nimport injectTypingMutationsHandling from './utils/injecttypingmutationshandling';\n\n/**\n * Handles text input coming from the keyboard or other input methods.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Input extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Input';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// TODO The above default configuration value should be defined using editor.config.define() once it's fixed.\n\t\tconst inputCommand = new InputCommand( editor, editor.config.get( 'typing.undoStep' ) || 20 );\n\n\t\teditor.commands.add( 'input', inputCommand );\n\n\t\tinjectUnsafeKeystrokesHandling( editor );\n\t\tinjectTypingMutationsHandling( editor );\n\t}\n\n\t/**\n\t * Checks batch if it is a result of user input - e.g. typing.\n\t *\n\t *\t\tconst input = editor.plugins.get( 'Input' );\n\t *\n\t *\t\teditor.model.document.on( 'change:data', ( evt, batch ) => {\n\t *\t\t\tif ( input.isInput( batch ) ) {\n\t *\t\t\t\tconsole.log( 'The user typed something...' );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * **Note:** This method checks if the batch was created using {@link module:typing/inputcommand~InputCommand 'input'}\n\t * command as typing changes coming from user input are inserted to the document using that command.\n\t *\n\t * @param {module:engine/model/batch~Batch} batch A batch to check.\n\t * @returns {Boolean}\n\t */\n\tisInput( batch ) {\n\t\tconst inputCommand = this.editor.commands.get( 'input' );\n\n\t\treturn inputCommand._batches.has( batch );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/deletecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport count from '@ckeditor/ckeditor5-utils/src/count';\n\nimport ChangeBuffer from './utils/changebuffer';\n\n/**\n * The delete command. Used by the {@link module:typing/delete~Delete delete feature} to handle the <kbd>Delete</kbd> and\n * <kbd>Backspace</kbd> keys.\n *\n * @extends module:core/command~Command\n */\nexport default class DeleteCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {'forward'|'backward'} direction The directionality of the delete describing in what direction it\n\t * should consume the content when the selection is collapsed.\n\t */\n\tconstructor( editor, direction ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The directionality of the delete describing in what direction it should\n\t\t * consume the content when the selection is collapsed.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'forward'|'backward'} #direction\n\t\t */\n\t\tthis.direction = direction;\n\n\t\t/**\n\t\t * Delete's change buffer used to group subsequent changes into batches.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @type {module:typing/utils/changebuffer~ChangeBuffer}\n\t\t */\n\t\tthis._buffer = new ChangeBuffer( editor.model, editor.config.get( 'typing.undoStep' ) );\n\t}\n\n\t/**\n\t * The current change buffer.\n\t *\n\t * @type {module:typing/utils/changebuffer~ChangeBuffer}\n\t */\n\tget buffer() {\n\t\treturn this._buffer;\n\t}\n\n\t/**\n\t * Executes the delete command. Depending on whether the selection is collapsed or not, deletes its content\n\t * or a piece of content in the {@link #direction defined direction}.\n\t *\n\t * @fires execute\n\t * @param {Object} [options] The command options.\n\t * @param {'character'} [options.unit='character'] See {@link module:engine/model/utils/modifyselection~modifySelection}'s options.\n\t * @param {Number} [options.sequence=1] A number describing which subsequent delete event it is without the key being released.\n\t * See the {@link module:engine/view/document~Document#event:delete} event data.\n\t * @param {module:engine/model/selection~Selection} [options.selection] Selection to remove. If not set, current model selection\n\t * will be used.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tmodel.enqueueChange( this._buffer.batch, writer => {\n\t\t\tthis._buffer.lock();\n\n\t\t\tconst selection = writer.createSelection( options.selection || doc.selection );\n\t\t\tconst sequence = options.sequence || 1;\n\n\t\t\t// Do not replace the whole selected content if selection was collapsed.\n\t\t\t// This prevents such situation:\n\t\t\t//\n\t\t\t// <h1></h1><p>[]</p>\t-->  <h1>[</h1><p>]</p> \t\t-->  <p></p>\n\t\t\t// starting content\t\t-->   after `modifySelection`\t-->  after `deleteContent`.\n\t\t\tconst doNotResetEntireContent = selection.isCollapsed;\n\n\t\t\t// Try to extend the selection in the specified direction.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\tmodel.modifySelection( selection, { direction: this.direction, unit: options.unit } );\n\t\t\t}\n\n\t\t\t// Check if deleting in an empty editor. See #61.\n\t\t\tif ( this._shouldEntireContentBeReplacedWithParagraph( sequence ) ) {\n\t\t\t\tthis._replaceEntireContentWithParagraph( writer );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Check if deleting in the first empty block.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/issues/8137.\n\t\t\tif ( this._shouldReplaceFirstBlockWithParagraph( selection, sequence ) ) {\n\t\t\t\tthis.editor.execute( 'paragraph', { selection } );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// If selection is still collapsed, then there's nothing to delete.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tlet changeCount = 0;\n\n\t\t\tselection.getFirstRange().getMinimalFlatRanges().forEach( range => {\n\t\t\t\tchangeCount += count(\n\t\t\t\t\trange.getWalker( { singleCharacters: true, ignoreElementEnd: true, shallow: true } )\n\t\t\t\t);\n\t\t\t} );\n\n\t\t\tmodel.deleteContent( selection, {\n\t\t\t\tdoNotResetEntireContent,\n\t\t\t\tdirection: this.direction\n\t\t\t} );\n\n\t\t\tthis._buffer.input( changeCount );\n\n\t\t\twriter.setSelection( selection );\n\n\t\t\tthis._buffer.unlock();\n\t\t} );\n\t}\n\n\t/**\n\t * If the user keeps <kbd>Backspace</kbd> or <kbd>Delete</kbd> key pressed, the content of the current\n\t * editable will be cleared. However, this will not yet lead to resetting the remaining block to a paragraph\n\t * (which happens e.g. when the user does <kbd>Ctrl</kbd> + <kbd>A</kbd>, <kbd>Backspace</kbd>).\n\t *\n\t * But, if the user pressed the key in an empty editable for the first time,\n\t * we want to replace the entire content with a paragraph if:\n\t *\n\t * * the current limit element is empty,\n\t * * the paragraph is allowed in the limit element,\n\t * * the limit doesn't already have a paragraph inside.\n\t *\n\t * See https://github.com/ckeditor/ckeditor5-typing/issues/61.\n\t *\n\t * @private\n\t * @param {Number} sequence A number describing which subsequent delete event it is without the key being released.\n\t * @returns {Boolean}\n\t */\n\t_shouldEntireContentBeReplacedWithParagraph( sequence ) {\n\t\t// Does nothing if user pressed and held the \"Backspace\" or \"Delete\" key.\n\t\tif ( sequence > 1 ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst selection = doc.selection;\n\t\tconst limitElement = model.schema.getLimitElement( selection );\n\n\t\t// If a collapsed selection contains the whole content it means that the content is empty\n\t\t// (from the user perspective).\n\t\tconst limitElementIsEmpty = selection.isCollapsed && selection.containsEntireContent( limitElement );\n\n\t\tif ( !limitElementIsEmpty ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( !model.schema.checkChild( limitElement, 'paragraph' ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst limitElementFirstChild = limitElement.getChild( 0 );\n\n\t\t// Does nothing if the limit element already contains only a paragraph.\n\t\t// We ignore the case when paragraph might have some inline elements (<p><inlineWidget>[]</inlineWidget></p>)\n\t\t// because we don't support such cases yet and it's unclear whether inlineWidget shouldn't be a limit itself.\n\t\tif ( limitElementFirstChild && limitElementFirstChild.name === 'paragraph' ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * The entire content is replaced with the paragraph. Selection is moved inside the paragraph.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer The model writer.\n\t */\n\t_replaceEntireContentWithParagraph( writer ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst selection = doc.selection;\n\t\tconst limitElement = model.schema.getLimitElement( selection );\n\t\tconst paragraph = writer.createElement( 'paragraph' );\n\n\t\twriter.remove( writer.createRangeIn( limitElement ) );\n\t\twriter.insert( paragraph, limitElement );\n\n\t\twriter.setSelection( paragraph, 0 );\n\t}\n\n\t/**\n\t * Checks if the selection is inside an empty element that is the first child of the limit element\n\t * and should be replaced with a paragraph.\n\t *\n\t * @private\n\t * @param {module:engine/model/selection~Selection} selection The selection.\n\t * @param {Number} sequence A number describing which subsequent delete event it is without the key being released.\n\t * @returns {Boolean}\n\t */\n\t_shouldReplaceFirstBlockWithParagraph( selection, sequence ) {\n\t\tconst model = this.editor.model;\n\n\t\t// Does nothing if user pressed and held the \"Backspace\" key or it was a \"Delete\" button.\n\t\tif ( sequence > 1 || this.direction != 'backward' ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst position = selection.getFirstPosition();\n\t\tconst limitElement = model.schema.getLimitElement( position );\n\t\tconst limitElementFirstChild = limitElement.getChild( 0 );\n\n\t\t// Only elements that are direct children of the limit element can be replaced.\n\t\t// Unwrapping from a block quote should be handled in a dedicated feature.\n\t\tif ( position.parent != limitElementFirstChild ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// A block should be replaced only if it was empty.\n\t\tif ( !selection.containsEntireContent( limitElementFirstChild ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Replace with a paragraph only if it's allowed there.\n\t\tif ( !model.schema.checkChild( limitElement, 'paragraph' ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Does nothing if the limit element already contains only a paragraph.\n\t\tif ( limitElementFirstChild.name == 'paragraph' ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/deleteobserver\n */\n\nimport Observer from '@ckeditor/ckeditor5-engine/src/view/observer/observer';\nimport DomEventData from '@ckeditor/ckeditor5-engine/src/view/observer/domeventdata';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\n/**\n * Delete observer introduces the {@link module:engine/view/document~Document#event:delete} event.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class DeleteObserver extends Observer {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tconst document = view.document;\n\t\tlet sequence = 0;\n\n\t\tdocument.on( 'keyup', ( evt, data ) => {\n\t\t\tif ( data.keyCode == keyCodes.delete || data.keyCode == keyCodes.backspace ) {\n\t\t\t\tsequence = 0;\n\t\t\t}\n\t\t} );\n\n\t\tdocument.on( 'keydown', ( evt, data ) => {\n\t\t\tconst deleteData = {};\n\n\t\t\tif ( data.keyCode == keyCodes.delete ) {\n\t\t\t\tdeleteData.direction = 'forward';\n\t\t\t\tdeleteData.unit = 'character';\n\t\t\t} else if ( data.keyCode == keyCodes.backspace ) {\n\t\t\t\tdeleteData.direction = 'backward';\n\t\t\t\tdeleteData.unit = 'codePoint';\n\t\t\t} else {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst hasWordModifier = env.isMac ? data.altKey : data.ctrlKey;\n\t\t\tdeleteData.unit = hasWordModifier ? 'word' : deleteData.unit;\n\t\t\tdeleteData.sequence = ++sequence;\n\n\t\t\tfireViewDeleteEvent( evt, data.domEvent, deleteData );\n\t\t} );\n\n\t\t// `beforeinput` is handled only for Android devices. Desktop Chrome and iOS are skipped because they are working fine now.\n\t\tif ( env.isAndroid ) {\n\t\t\tdocument.on( 'beforeinput', ( evt, data ) => {\n\t\t\t\t// If event type is other than `deleteContentBackward` then this is not deleting.\n\t\t\t\tif ( data.domEvent.inputType != 'deleteContentBackward' ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst deleteData = {\n\t\t\t\t\tunit: 'codepoint',\n\t\t\t\t\tdirection: 'backward',\n\t\t\t\t\tsequence: 1\n\t\t\t\t};\n\n\t\t\t\t// Android IMEs may change the DOM selection on `beforeinput` event so that the selection contains all the text\n\t\t\t\t// that the IME wants to remove. We will pass this information to `delete` event so proper part of the content is removed.\n\t\t\t\t//\n\t\t\t\t// Sometimes it is only expanding by a one character (in case of collapsed selection). In this case we don't need to\n\t\t\t\t// set a different selection to remove, it will work just fine.\n\t\t\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\n\t\t\t\tif ( domSelection.anchorNode == domSelection.focusNode && domSelection.anchorOffset + 1 != domSelection.focusOffset ) {\n\t\t\t\t\tdeleteData.selectionToRemove = view.domConverter.domSelectionToView( domSelection );\n\t\t\t\t}\n\n\t\t\t\tfireViewDeleteEvent( evt, data.domEvent, deleteData );\n\t\t\t} );\n\t\t}\n\n\t\tfunction fireViewDeleteEvent( originalEvent, domEvent, deleteData ) {\n\t\t\t// Save the event object to check later if it was stopped or not.\n\t\t\tlet event;\n\t\t\tdocument.once( 'delete', evt => ( event = evt ), { priority: Number.POSITIVE_INFINITY } );\n\n\t\t\tdocument.fire( 'delete', new DomEventData( document, domEvent, deleteData ) );\n\n\t\t\t// Stop the original event if `delete` event was stopped.\n\t\t\t// https://github.com/ckeditor/ckeditor5/issues/753\n\t\t\tif ( event && event.stop.called ) {\n\t\t\t\toriginalEvent.stop();\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve() {}\n}\n\n/**\n * Event fired when the user tries to delete content (e.g. presses <kbd>Delete</kbd> or <kbd>Backspace</kbd>).\n *\n * Note: This event is fired by the {@link module:typing/deleteobserver~DeleteObserver observer}\n * (usually registered by the {@link module:typing/delete~Delete delete feature}).\n *\n * @event module:engine/view/document~Document#event:delete\n * @param {module:engine/view/observer/domeventdata~DomEventData} data\n * @param {'forward'|'delete'} data.direction The direction in which the deletion should happen.\n * @param {'character'|'word'} data.unit The \"amount\" of content that should be deleted.\n * @param {Number} data.sequence A number describing which subsequent delete event it is without the key being released.\n * If it's 2 or more it means that the key was pressed and hold.\n * @param {module:engine/view/selection~Selection} [data.selectionToRemove] View selection which content should be removed. If not set,\n * current selection should be used.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/delete\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport DeleteCommand from './deletecommand';\nimport DeleteObserver from './deleteobserver';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\n/**\n * The delete and backspace feature. Handles the <kbd>Delete</kbd> and <kbd>Backspace</kbd> keys in the editor.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Delete extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Delete';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\tview.addObserver( DeleteObserver );\n\n\t\teditor.commands.add( 'forwardDelete', new DeleteCommand( editor, 'forward' ) );\n\t\teditor.commands.add( 'delete', new DeleteCommand( editor, 'backward' ) );\n\n\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\tconst deleteCommandParams = { unit: data.unit, sequence: data.sequence };\n\n\t\t\t// If a specific (view) selection to remove was set, convert it to a model selection and set as a parameter for `DeleteCommand`.\n\t\t\tif ( data.selectionToRemove ) {\n\t\t\t\tconst modelSelection = editor.model.createSelection();\n\t\t\t\tconst ranges = [];\n\n\t\t\t\tfor ( const viewRange of data.selectionToRemove.getRanges() ) {\n\t\t\t\t\tranges.push( editor.editing.mapper.toModelRange( viewRange ) );\n\t\t\t\t}\n\n\t\t\t\tmodelSelection.setTo( ranges );\n\n\t\t\t\tdeleteCommandParams.selection = modelSelection;\n\t\t\t}\n\n\t\t\teditor.execute( data.direction == 'forward' ? 'forwardDelete' : 'delete', deleteCommandParams );\n\n\t\t\tdata.preventDefault();\n\n\t\t\tview.scrollToTheSelection();\n\t\t} );\n\n\t\t// Android IMEs have a quirk - they change DOM selection after the input changes were performed by the browser.\n\t\t// This happens on `keyup` event. Android doesn't know anything about our deletion and selection handling. Even if the selection\n\t\t// was changed during input events, IME remembers the position where the selection \"should\" be placed and moves it there.\n\t\t//\n\t\t// To prevent incorrect selection, we save the selection after deleting here and then re-set it on `keyup`. This has to be done\n\t\t// on DOM selection level, because on `keyup` the model selection is still the same as it was just after deletion, so it\n\t\t// wouldn't be changed and the fix would do nothing.\n\t\t//\n\t\tif ( env.isAndroid ) {\n\t\t\tlet domSelectionAfterDeletion = null;\n\n\t\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\n\t\t\t\tdomSelectionAfterDeletion = {\n\t\t\t\t\tanchorNode: domSelection.anchorNode,\n\t\t\t\t\tanchorOffset: domSelection.anchorOffset,\n\t\t\t\t\tfocusNode: domSelection.focusNode,\n\t\t\t\t\tfocusOffset: domSelection.focusOffset\n\t\t\t\t};\n\t\t\t}, { priority: 'lowest' } );\n\n\t\t\tthis.listenTo( viewDocument, 'keyup', ( evt, data ) => {\n\t\t\t\tif ( domSelectionAfterDeletion ) {\n\t\t\t\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\n\t\t\t\t\tdomSelection.collapse( domSelectionAfterDeletion.anchorNode, domSelectionAfterDeletion.anchorOffset );\n\t\t\t\t\tdomSelection.extend( domSelectionAfterDeletion.focusNode, domSelectionAfterDeletion.focusOffset );\n\n\t\t\t\t\tdomSelectionAfterDeletion = null;\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/typing\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Input from './input';\nimport Delete from './delete';\n\n/**\n * The typing feature. It handles typing.\n *\n * This is a \"glue\" plugin which loads the {@link module:typing/input~Input} and {@link module:typing/delete~Delete}\n * plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Typing extends Plugin {\n\tstatic get requires() {\n\t\treturn [ Input, Delete ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Typing';\n\t}\n}\n\n/**\n * The configuration of the typing features. Used by the features from the `@ckeditor/ckeditor5-typing` package.\n *\n * Read more in {@link module:typing/typing~TypingConfig}.\n *\n * @member {module:typing/typing~TypingConfig} module:core/editor/editorconfig~EditorConfig#typing\n */\n\n/**\n * The configuration of the typing features. Used by the typing features in `@ckeditor/ckeditor5-typing` package.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\ttyping: ... // Typing feature options.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface TypingConfig\n */\n\n/**\n * The granularity of undo/redo for typing and deleting. The value `20` means (more or less) that a new undo step\n * is created every 20 characters are inserted or deleted.\n *\n * @member {Number} [module:typing/typing~TypingConfig#undoStep=20]\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport InsertOperation from './insertoperation';\nimport AttributeOperation from './attributeoperation';\nimport RenameOperation from './renameoperation';\nimport MarkerOperation from './markeroperation';\nimport MoveOperation from './moveoperation';\nimport RootAttributeOperation from './rootattributeoperation';\nimport MergeOperation from './mergeoperation';\nimport SplitOperation from './splitoperation';\nimport NoOperation from './nooperation';\nimport Range from '../range';\nimport Position from '../position';\n\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\n\nconst transformations = new Map();\n\n/**\n * @module engine/model/operation/transform\n */\n\n/**\n * Sets a transformation function to be be used to transform instances of class `OperationA` by instances of class `OperationB`.\n *\n * The `transformationFunction` is passed three parameters:\n *\n * * `a` - operation to be transformed, an instance of `OperationA`,\n * * `b` - operation to be transformed by, an instance of `OperationB`,\n * * {@link module:engine/model/operation/transform~TransformationContext `context`} - object with additional information about\n * transformation context.\n *\n * The `transformationFunction` should return transformation result, which is an array with one or multiple\n * {@link module:engine/model/operation/operation~Operation operation} instances.\n *\n * @protected\n * @param {Function} OperationA\n * @param {Function} OperationB\n * @param {Function} transformationFunction Function to use for transforming.\n */\nfunction setTransformation( OperationA, OperationB, transformationFunction ) {\n\tlet aGroup = transformations.get( OperationA );\n\n\tif ( !aGroup ) {\n\t\taGroup = new Map();\n\t\ttransformations.set( OperationA, aGroup );\n\t}\n\n\taGroup.set( OperationB, transformationFunction );\n}\n\n/**\n * Returns a previously set transformation function for transforming an instance of `OperationA` by an instance of `OperationB`.\n *\n * If no transformation was set for given pair of operations, {@link module:engine/model/operation/transform~noUpdateTransformation}\n * is returned. This means that if no transformation was set, the `OperationA` instance will not change when transformed\n * by the `OperationB` instance.\n *\n * @private\n * @param {Function} OperationA\n * @param {Function} OperationB\n * @returns {Function} Function set to transform an instance of `OperationA` by an instance of `OperationB`.\n */\nfunction getTransformation( OperationA, OperationB ) {\n\tconst aGroup = transformations.get( OperationA );\n\n\tif ( aGroup && aGroup.has( OperationB ) ) {\n\t\treturn aGroup.get( OperationB );\n\t}\n\n\treturn noUpdateTransformation;\n}\n\n/**\n * A transformation function that only clones operation to transform, without changing it.\n *\n * @private\n * @param {module:engine/model/operation/operation~Operation} a Operation to transform.\n * @returns {Array.<module:engine/model/operation/operation~Operation>}\n */\nfunction noUpdateTransformation( a ) {\n\treturn [ a ];\n}\n\n/**\n * Transforms operation `a` by operation `b`.\n *\n * @param {module:engine/model/operation/operation~Operation} a Operation to be transformed.\n * @param {module:engine/model/operation/operation~Operation} b Operation to transform by.\n * @param {module:engine/model/operation/transform~TransformationContext} context Transformation context for this transformation.\n * @returns {Array.<module:engine/model/operation/operation~Operation>} Transformation result.\n */\nexport function transform( a, b, context = {} ) {\n\tconst transformationFunction = getTransformation( a.constructor, b.constructor );\n\n\t/* eslint-disable no-useless-catch */\n\ttry {\n\t\ta = a.clone();\n\n\t\treturn transformationFunction( a, b, context );\n\t} catch ( e ) {\n\t\t// @if CK_DEBUG // console.warn( 'Error during operation transformation!', e.message );\n\t\t// @if CK_DEBUG // console.warn( 'Transformed operation', a );\n\t\t// @if CK_DEBUG // console.warn( 'Operation transformed by', b );\n\t\t// @if CK_DEBUG // console.warn( 'context.aIsStrong', context.aIsStrong );\n\t\t// @if CK_DEBUG // console.warn( 'context.aWasUndone', context.aWasUndone );\n\t\t// @if CK_DEBUG // console.warn( 'context.bWasUndone', context.bWasUndone );\n\t\t// @if CK_DEBUG // console.warn( 'context.abRelation', context.abRelation );\n\t\t// @if CK_DEBUG // console.warn( 'context.baRelation', context.baRelation );\n\n\t\tthrow e;\n\t}\n\t/* eslint-enable no-useless-catch */\n}\n\n/**\n * Performs a transformation of two sets of operations - `operationsA` and `operationsB`. The transformation is two-way -\n * both transformed `operationsA` and transformed `operationsB` are returned.\n *\n * Note, that the first operation in each set should base on the same document state (\n * {@link module:engine/model/document~Document#version document version}).\n *\n * It is assumed that `operationsA` are \"more important\" during conflict resolution between two operations.\n *\n * New copies of both passed arrays and operations inside them are returned. Passed arguments are not altered.\n *\n * Base versions of the transformed operations sets are updated accordingly. For example, assume that base versions are `4`\n * and there are `3` operations in `operationsA` and `5` operations in `operationsB`. Then:\n *\n * * transformed `operationsA` will start from base version `9` (`4` base version + `5` operations B),\n * * transformed `operationsB` will start from base version `7` (`4` base version + `3` operations A).\n *\n * If no operation was broken into two during transformation, then both sets will end up with an operation that bases on version `11`:\n *\n * * transformed `operationsA` start from `9` and there are `3` of them, so the last will have `baseVersion` equal to `11`,\n * * transformed `operationsB` start from `7` and there are `5` of them, so the last will have `baseVersion` equal to `11`.\n *\n * @param {Array.<module:engine/model/operation/operation~Operation>} operationsA\n * @param {Array.<module:engine/model/operation/operation~Operation>} operationsB\n * @param {Object} options Additional transformation options.\n * @param {module:engine/model/document~Document|null} options.document Document which the operations change.\n * @param {Boolean} [options.useRelations=false] Whether during transformation relations should be used (used during undo for\n * better conflict resolution).\n * @param {Boolean} [options.padWithNoOps=false] Whether additional {@link module:engine/model/operation/nooperation~NoOperation}s\n * should be added to the transformation results to force the same last base version for both transformed sets (in case\n * if some operations got broken into multiple operations during transformation).\n * @returns {Object} Transformation result.\n * @returns {Array.<module:engine/model/operation/operation~Operation>} return.operationsA Transformed `operationsA`.\n * @returns {Array.<module:engine/model/operation/operation~Operation>} return.operationsB Transformed `operationsB`.\n * @returns {Map} return.originalOperations A map that links transformed operations to original operations. The keys are the transformed\n * operations and the values are the original operations from the input (`operationsA` and `operationsB`).\n */\nexport function transformSets( operationsA, operationsB, options ) {\n\t// Create new arrays so the originally passed arguments are not changed.\n\t// No need to clone operations, they are cloned as they are transformed.\n\toperationsA = operationsA.slice();\n\toperationsB = operationsB.slice();\n\n\tconst contextFactory = new ContextFactory( options.document, options.useRelations, options.forceWeakRemove );\n\tcontextFactory.setOriginalOperations( operationsA );\n\tcontextFactory.setOriginalOperations( operationsB );\n\n\tconst originalOperations = contextFactory.originalOperations;\n\n\t// If one of sets is empty there is simply nothing to transform, so return sets as they are.\n\tif ( operationsA.length == 0 || operationsB.length == 0 ) {\n\t\treturn { operationsA, operationsB, originalOperations };\n\t}\n\t//\n\t// Following is a description of transformation process:\n\t//\n\t// There are `operationsA` and `operationsB` to be transformed, both by both.\n\t//\n\t// So, suppose we have sets of two operations each: `operationsA` = `[ a1, a2 ]`, `operationsB` = `[ b1, b2 ]`.\n\t//\n\t// Remember, that we can only transform operations that base on the same context. We assert that `a1` and `b1` base on\n\t// the same context and we transform them. Then, we get `a1'` and `b1'`. `a2` bases on a context with `a1` -- `a2`\n\t// is an operation that followed `a1`. Similarly, `b2` bases on a context with `b1`.\n\t//\n\t// However, since `a1'` is a result of transformation by `b1`, `a1'` now also has a context with `b1`. This means that\n\t// we can safely transform `a1'` by `b2`. As we finish transforming `a1`, we also transformed all `operationsB`.\n\t// All `operationsB` also have context including `a1`. Now, we can properly transform `a2` by those operations.\n\t//\n\t// The transformation process can be visualized on a transformation diagram (\"diamond diagram\"):\n\t//\n\t//          [the initial state]\n\t//         [common for a1 and b1]\n\t//\n\t//                   *\n\t//                  / \\\n\t//                 /   \\\n\t//               b1     a1\n\t//               /       \\\n\t//              /         \\\n\t//             *           *\n\t//            / \\         / \\\n\t//           /   \\       /   \\\n\t//         b2    a1'   b1'    a2\n\t//         /       \\   /       \\\n\t//        /         \\ /         \\\n\t//       *           *           *\n\t//        \\         / \\         /\n\t//         \\       /   \\       /\n\t//        a1''   b2'   a2'   b1''\n\t//           \\   /       \\   /\n\t//            \\ /         \\ /\n\t//             *           *\n\t//              \\         /\n\t//               \\       /\n\t//              a2''   b2''\n\t//                 \\   /\n\t//                  \\ /\n\t//                   *\n\t//\n\t//           [the final state]\n\t//\n\t// The final state can be reached from the initial state by applying `a1`, `a2`, `b1''` and `b2''`, as well as by\n\t// applying `b1`, `b2`, `a1''`, `a2''`. Note how the operations get to a proper common state before each pair is\n\t// transformed.\n\t//\n\t// Another thing to consider is that an operation during transformation can be broken into multiple operations.\n\t// Suppose that `a1` * `b1` = `[ a11', a12' ]` (instead of `a1'` that we considered previously).\n\t//\n\t// In that case, we leave `a12'` for later and we continue transforming `a11'` until it is transformed by all `operationsB`\n\t// (in our case it is just `b2`). At this point, `b1` is transformed by \"whole\" `a1`, while `b2` is only transformed\n\t// by `a11'`. Similarly, `a12'` is only transformed by `b1`. This leads to a conclusion that we need to start transforming `a12'`\n\t// from the moment just after it was broken. So, `a12'` is transformed by `b2`. Now, \"the whole\" `a1` is transformed\n\t// by `operationsB`, while all `operationsB` are transformed by \"the whole\" `a1`. This means that we can continue with\n\t// following `operationsA` (in our case it is just `a2`).\n\t//\n\t// Of course, also `operationsB` can be broken. However, since we focus on transforming operation `a` to the end,\n\t// the only thing to do is to store both pieces of operation `b`, so that the next transformed operation `a` will\n\t// be transformed by both of them.\n\t//\n\t//                       *\n\t//                      / \\\n\t//                     /   \\\n\t//                    /     \\\n\t//                  b1       a1\n\t//                  /         \\\n\t//                 /           \\\n\t//                /             \\\n\t//               *               *\n\t//              / \\             / \\\n\t//             /  a11'         /   \\\n\t//            /     \\         /     \\\n\t//          b2       *      b1'      a2\n\t//          /       / \\     /         \\\n\t//         /       /  a12' /           \\\n\t//        /       /     \\ /             \\\n\t//       *       b2'     *               *\n\t//        \\     /       / \\             /\n\t//       a11'' /     b21'' \\           /\n\t//          \\ /       /     \\         /\n\t//           *       *      a2'     b1''\n\t//            \\     / \\       \\     /\n\t//          a12'' b22''\\       \\   /\n\t//              \\ /     \\       \\ /\n\t//               *      a2''     *\n\t//                \\       \\     /\n\t//                 \\       \\  b21'''\n\t//                  \\       \\ /\n\t//                a2'''      *\n\t//                    \\     /\n\t//                     \\  b22'''\n\t//                      \\ /\n\t//                       *\n\t//\n\t// Note, how `a1` is broken and transformed into `a11'` and `a12'`, while `b2'` got broken and transformed into `b21''` and `b22''`.\n\t//\n\t// Having all that on mind, here is an outline for the transformation process algorithm:\n\t//\n\t// 1. We have `operationsA` and `operationsB` array, which we dynamically update as the transformation process goes.\n\t//\n\t// 2. We take next (or first) operation from `operationsA` and check from which operation `b` we need to start transforming it.\n\t// All original `operationsA` are set to be transformed starting from the first operation `b`.\n\t//\n\t// 3. We take operations from `operationsB`, one by one, starting from the correct one, and transform operation `a`\n\t// by operation `b` (and vice versa). We update `operationsA` and `operationsB` by replacing the original operations\n\t// with the transformation results.\n\t//\n\t// 4. If operation is broken into multiple operations, we save all the new operations in the place of the\n\t// original operation.\n\t//\n\t// 5. Additionally, if operation `a` was broken, for the \"new\" operation, we remember from which operation `b` it should\n\t// be transformed by.\n\t//\n\t// 6. We continue transforming \"current\" operation `a` until it is transformed by all `operationsB`. Then, go to 2.\n\t// unless the last operation `a` was transformed.\n\t//\n\t// The actual implementation of the above algorithm is slightly different, as only one loop (while) is used.\n\t// The difference is that we have \"current\" `a` operation to transform and we store the index of the next `b` operation\n\t// to transform by. Each loop operates on two indexes then: index pointing to currently processed `a` operation and\n\t// index pointing to next `b` operation. Each loop is just one `a * b` + `b * a` transformation. After each loop\n\t// operation `b` index is updated. If all `b` operations were visited for the current `a` operation, we change\n\t// current `a` operation index to the next one.\n\t//\n\n\t// For each operation `a`, keeps information what is the index in `operationsB` from which the transformation should start.\n\tconst nextTransformIndex = new WeakMap();\n\n\t// For all the original `operationsA`, set that they should be transformed starting from the first of `operationsB`.\n\tfor ( const op of operationsA ) {\n\t\tnextTransformIndex.set( op, 0 );\n\t}\n\n\t// Additional data that is used for some postprocessing after the main transformation process is done.\n\tconst data = {\n\t\tnextBaseVersionA: operationsA[ operationsA.length - 1 ].baseVersion + 1,\n\t\tnextBaseVersionB: operationsB[ operationsB.length - 1 ].baseVersion + 1,\n\t\toriginalOperationsACount: operationsA.length,\n\t\toriginalOperationsBCount: operationsB.length\n\t};\n\n\t// Index of currently transformed operation `a`.\n\tlet i = 0;\n\n\t// While not all `operationsA` are transformed...\n\twhile ( i < operationsA.length ) {\n\t\t// Get \"current\" operation `a`.\n\t\tconst opA = operationsA[ i ];\n\n\t\t// For the \"current\" operation `a`, get the index of the next operation `b` to transform by.\n\t\tconst indexB = nextTransformIndex.get( opA );\n\n\t\t// If operation `a` was already transformed by every operation `b`, change \"current\" operation `a` to the next one.\n\t\tif ( indexB == operationsB.length ) {\n\t\t\ti++;\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst opB = operationsB[ indexB ];\n\n\t\t// Transform `a` by `b` and `b` by `a`.\n\t\tconst newOpsA = transform( opA, opB, contextFactory.getContext( opA, opB, true ) );\n\t\tconst newOpsB = transform( opB, opA, contextFactory.getContext( opB, opA, false ) );\n\t\t// As a result we get one or more `newOpsA` and one or more `newOpsB` operations.\n\n\t\t// Update contextual information about operations.\n\t\tcontextFactory.updateRelation( opA, opB );\n\n\t\tcontextFactory.setOriginalOperations( newOpsA, opA );\n\t\tcontextFactory.setOriginalOperations( newOpsB, opB );\n\n\t\t// For new `a` operations, update their index of the next operation `b` to transform them by.\n\t\t//\n\t\t// This is needed even if there was only one result (`a` was not broken) because that information is used\n\t\t// at the beginning of this loop every time.\n\t\tfor ( const newOpA of newOpsA ) {\n\t\t\t// Acknowledge, that operation `b` also might be broken into multiple operations.\n\t\t\t//\n\t\t\t// This is why we raise `indexB` not just by 1. If `newOpsB` are multiple operations, they will be\n\t\t\t// spliced in the place of `opB`. So we need to change `transformBy` accordingly, so that an operation won't\n\t\t\t// be transformed by the same operation (part of it) again.\n\t\t\tnextTransformIndex.set( newOpA, indexB + newOpsB.length );\n\t\t}\n\n\t\t// Update `operationsA` and `operationsB` with the transformed versions.\n\t\toperationsA.splice( i, 1, ...newOpsA );\n\t\toperationsB.splice( indexB, 1, ...newOpsB );\n\t}\n\n\tif ( options.padWithNoOps ) {\n\t\t// If no-operations padding is enabled, count how many extra `a` and `b` operations were generated.\n\t\tconst brokenOperationsACount = operationsA.length - data.originalOperationsACount;\n\t\tconst brokenOperationsBCount = operationsB.length - data.originalOperationsBCount;\n\n\t\t// Then, if that number is not the same, pad `operationsA` or `operationsB` with correct number of no-ops so\n\t\t// that the base versions are equalled.\n\t\t//\n\t\t// Note that only one array will be updated, as only one of those subtractions can be greater than zero.\n\t\tpadWithNoOps( operationsA, brokenOperationsBCount - brokenOperationsACount );\n\t\tpadWithNoOps( operationsB, brokenOperationsACount - brokenOperationsBCount );\n\t}\n\n\t// Finally, update base versions of transformed operations.\n\tupdateBaseVersions( operationsA, data.nextBaseVersionB );\n\tupdateBaseVersions( operationsB, data.nextBaseVersionA );\n\n\treturn { operationsA, operationsB, originalOperations };\n}\n\n// Gathers additional data about operations processed during transformation. Can be used to obtain contextual information\n// about two operations that are about to be transformed. This contextual information can be used for better conflict resolution.\nclass ContextFactory {\n\t// Creates `ContextFactory` instance.\n\t//\n\t// @param {module:engine/model/document~Document} document Document which the operations change.\n\t// @param {Boolean} useRelations Whether during transformation relations should be used (used during undo for\n\t// better conflict resolution).\n\t// @param {Boolean} [forceWeakRemove=false] If set to `false`, remove operation will be always stronger than move operation,\n\t// so the removed nodes won't end up back in the document root. When set to `true`, context data will be used.\n\tconstructor( document, useRelations, forceWeakRemove = false ) {\n\t\t// For each operation that is created during transformation process, we keep a reference to the original operation\n\t\t// which it comes from. The original operation works as a kind of \"identifier\". Every contextual information\n\t\t// gathered during transformation that we want to save for given operation, is actually saved for the original operation.\n\t\t// This way no matter if operation `a` is cloned, then transformed, even breaks, we still have access to the previously\n\t\t// gathered data through original operation reference.\n\t\tthis.originalOperations = new Map();\n\n\t\t// `model.History` instance which information about undone operations will be taken from.\n\t\tthis._history = document.history;\n\n\t\t// Whether additional context should be used.\n\t\tthis._useRelations = useRelations;\n\n\t\tthis._forceWeakRemove = !!forceWeakRemove;\n\n\t\t// Relations is a double-map structure (maps in map) where for two operations we store how those operations were related\n\t\t// to each other. Those relations are evaluated during transformation process. For every transformated pair of operations\n\t\t// we keep relations between them.\n\t\tthis._relations = new Map();\n\t}\n\n\t// Sets \"original operation\" for given operations.\n\t//\n\t// During transformation process, operations are cloned, then changed, then processed again, sometimes broken into two\n\t// or multiple operations. When gathering additional data it is important that all operations can be somehow linked\n\t// so a cloned and transformed \"version\" still kept track of the data assigned earlier to it.\n\t//\n\t// The original operation object will be used as such an universal linking id. Throughout the transformation process\n\t// all cloned operations will refer to \"the original operation\" when storing and reading additional data.\n\t//\n\t// If `takeFrom` is not set, each operation from `operations` array will be assigned itself as \"the original operation\".\n\t// This should be used as an initialization step.\n\t//\n\t// If `takeFrom` is set, each operation from `operations` will be assigned the same original operation as assigned\n\t// for `takeFrom` operation. This should be used to update original operations. It should be used in a way that\n\t// `operations` are the result of `takeFrom` transformation to ensure proper \"original operation propagation\".\n\t//\n\t// @param {Array.<module:engine/model/operation/operation~Operation>} operations\n\t// @param {module:engine/model/operation/operation~Operation|null} [takeFrom=null]\n\tsetOriginalOperations( operations, takeFrom = null ) {\n\t\tconst originalOperation = takeFrom ? this.originalOperations.get( takeFrom ) : null;\n\n\t\tfor ( const operation of operations ) {\n\t\t\tthis.originalOperations.set( operation, originalOperation || operation );\n\t\t}\n\t}\n\n\t// Saves a relation between operations `opA` and `opB`.\n\t//\n\t// Relations are then later used to help solve conflicts when operations are transformed.\n\t//\n\t// @param {module:engine/model/operation/operation~Operation} opA\n\t// @param {module:engine/model/operation/operation~Operation} opB\n\tupdateRelation( opA, opB ) {\n\t\t// The use of relations is described in a bigger detail in transformation functions.\n\t\t//\n\t\t// In brief, this function, for specified pairs of operation types, checks how positions defined in those operations relate.\n\t\t// Then those relations are saved. For example, for two move operations, it is saved if one of those operations target\n\t\t// position is before the other operation source position. This kind of information gives contextual information when\n\t\t// transformation is used during undo. Similar checks are done for other pairs of operations.\n\t\t//\n\t\tswitch ( opA.constructor ) {\n\t\t\tcase MoveOperation: {\n\t\t\t\tswitch ( opB.constructor ) {\n\t\t\t\t\tcase MergeOperation: {\n\t\t\t\t\t\tif ( opA.targetPosition.isEqual( opB.sourcePosition ) || opB.movedRange.containsPosition( opA.targetPosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'insertAtSource' );\n\t\t\t\t\t\t} else if ( opA.targetPosition.isEqual( opB.deletionPosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'insertBetween' );\n\t\t\t\t\t\t} else if ( opA.targetPosition.isAfter( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'moveTargetAfter' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tcase MoveOperation: {\n\t\t\t\t\t\tif ( opA.targetPosition.isEqual( opB.sourcePosition ) || opA.targetPosition.isBefore( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'insertBefore' );\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'insertAfter' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tcase SplitOperation: {\n\t\t\t\tswitch ( opB.constructor ) {\n\t\t\t\t\tcase MergeOperation: {\n\t\t\t\t\t\tif ( opA.splitPosition.isBefore( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'splitBefore' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tcase MoveOperation: {\n\t\t\t\t\t\tif ( opA.splitPosition.isEqual( opB.sourcePosition ) || opA.splitPosition.isBefore( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'splitBefore' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tcase MergeOperation: {\n\t\t\t\tswitch ( opB.constructor ) {\n\t\t\t\t\tcase MergeOperation: {\n\t\t\t\t\t\tif ( !opA.targetPosition.isEqual( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'mergeTargetNotMoved' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( opA.sourcePosition.isEqual( opB.targetPosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'mergeSourceNotMoved' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( opA.sourcePosition.isEqual( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'mergeSameElement' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tcase SplitOperation: {\n\t\t\t\t\t\tif ( opA.sourcePosition.isEqual( opB.splitPosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'splitAtSource' );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tcase MarkerOperation: {\n\t\t\t\tconst markerRange = opA.newRange;\n\n\t\t\t\tif ( !markerRange ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tswitch ( opB.constructor ) {\n\t\t\t\t\tcase MoveOperation: {\n\t\t\t\t\t\tconst movedRange = Range._createFromPositionAndShift( opB.sourcePosition, opB.howMany );\n\n\t\t\t\t\t\tconst affectedLeft = movedRange.containsPosition( markerRange.start ) ||\n\t\t\t\t\t\t\tmovedRange.start.isEqual( markerRange.start );\n\n\t\t\t\t\t\tconst affectedRight = movedRange.containsPosition( markerRange.end ) ||\n\t\t\t\t\t\t\tmovedRange.end.isEqual( markerRange.end );\n\n\t\t\t\t\t\tif ( ( affectedLeft || affectedRight ) && !movedRange.containsRange( markerRange ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, {\n\t\t\t\t\t\t\t\tside: affectedLeft ? 'left' : 'right',\n\t\t\t\t\t\t\t\tpath: affectedLeft ? markerRange.start.path.slice() : markerRange.end.path.slice()\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tcase MergeOperation: {\n\t\t\t\t\t\tconst wasInLeftElement = markerRange.start.isEqual( opB.targetPosition );\n\t\t\t\t\t\tconst wasStartBeforeMergedElement = markerRange.start.isEqual( opB.deletionPosition );\n\t\t\t\t\t\tconst wasEndBeforeMergedElement = markerRange.end.isEqual( opB.deletionPosition );\n\t\t\t\t\t\tconst wasInRightElement = markerRange.end.isEqual( opB.sourcePosition );\n\n\t\t\t\t\t\tif ( wasInLeftElement || wasStartBeforeMergedElement || wasEndBeforeMergedElement || wasInRightElement ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, {\n\t\t\t\t\t\t\t\twasInLeftElement,\n\t\t\t\t\t\t\t\twasStartBeforeMergedElement,\n\t\t\t\t\t\t\t\twasEndBeforeMergedElement,\n\t\t\t\t\t\t\t\twasInRightElement\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\t// Evaluates and returns contextual information about two given operations `opA` and `opB` which are about to be transformed.\n\t//\n\t// @param {module:engine/model/operation/operation~Operation} opA\n\t// @param {module:engine/model/operation/operation~Operation} opB\n\t// @returns {module:engine/model/operation/transform~TransformationContext}\n\tgetContext( opA, opB, aIsStrong ) {\n\t\treturn {\n\t\t\taIsStrong,\n\t\t\taWasUndone: this._wasUndone( opA ),\n\t\t\tbWasUndone: this._wasUndone( opB ),\n\t\t\tabRelation: this._useRelations ? this._getRelation( opA, opB ) : null,\n\t\t\tbaRelation: this._useRelations ? this._getRelation( opB, opA ) : null,\n\t\t\tforceWeakRemove: this._forceWeakRemove\n\t\t};\n\t}\n\n\t// Returns whether given operation `op` has already been undone.\n\t//\n\t// Information whether an operation was undone gives more context when making a decision when two operations are in conflict.\n\t//\n\t// @param {module:engine/model/operation/operation~Operation} op\n\t// @returns {Boolean}\n\t_wasUndone( op ) {\n\t\t// For `op`, get its original operation. After all, if `op` is a clone (or even transformed clone) of another\n\t\t// operation, literally `op` couldn't be undone. It was just generated. If anything, it was the operation it origins\n\t\t// from which was undone. So get that original operation.\n\t\tconst originalOp = this.originalOperations.get( op );\n\n\t\t// And check with the document if the original operation was undone.\n\t\treturn originalOp.wasUndone || this._history.isUndoneOperation( originalOp );\n\t}\n\n\t// Returns a relation between `opA` and an operation which is undone by `opB`. This can be `String` value if a relation\n\t// was set earlier or `null` if there was no relation between those operations.\n\t//\n\t// This is a little tricky to understand, so let's compare it to `ContextFactory#_wasUndone`.\n\t//\n\t// When `wasUndone( opB )` is used, we check if the `opB` has already been undone. It is obvious, that the\n\t// undoing operation must happen after the undone operation. So, essentially, we have `opB`, we take document history,\n\t// we look forward in the future and ask if in that future `opB` was undone.\n\t//\n\t// Relations is a backward process to `wasUndone()`.\n\t//\n\t// Long story short - using relations is asking what happened in the past. Looking back. This time we have an undoing\n\t// operation `opB` which has undone some other operation. When there is a transformation `opA` x `opB` and there is\n\t// a conflict to solve and `opB` is an undoing operation, we can look back in the history and see what was a relation\n\t// between `opA` and the operation which `opB` undone. Basing on that relation from the past, we can now make\n\t// a better decision when resolving a conflict between two operations, because we know more about the context of\n\t// those two operations.\n\t//\n\t// This is why this function does not return a relation directly between `opA` and `opB` because we need to look\n\t// back to search for a meaningful contextual information.\n\t//\n\t// @param {module:engine/model/operation/operation~Operation} opA\n\t// @param {module:engine/model/operation/operation~Operation} opB\n\t// @returns {String|null}\n\t_getRelation( opA, opB ) {\n\t\t// Get the original operation. Similarly as in `wasUndone()` it is used as an universal identifier for stored data.\n\t\tconst origB = this.originalOperations.get( opB );\n\t\tconst undoneB = this._history.getUndoneOperation( origB );\n\n\t\t// If `opB` is not undoing any operation, there is no relation.\n\t\tif ( !undoneB ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst origA = this.originalOperations.get( opA );\n\t\tconst relationsA = this._relations.get( origA );\n\n\t\t// Get all relations for `opA`, and check if there is a relation with `opB`-undone-counterpart. If so, return it.\n\t\tif ( relationsA ) {\n\t\t\treturn relationsA.get( undoneB ) || null;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t// Helper function for `ContextFactory#updateRelations`.\n\t//\n\t// @private\n\t// @param {module:engine/model/operation/operation~Operation} opA\n\t// @param {module:engine/model/operation/operation~Operation} opB\n\t// @param {String} relation\n\t_setRelation( opA, opB, relation ) {\n\t\t// As always, setting is for original operations, not the clones/transformed operations.\n\t\tconst origA = this.originalOperations.get( opA );\n\t\tconst origB = this.originalOperations.get( opB );\n\n\t\tlet relationsA = this._relations.get( origA );\n\n\t\tif ( !relationsA ) {\n\t\t\trelationsA = new Map();\n\t\t\tthis._relations.set( origA, relationsA );\n\t\t}\n\n\t\trelationsA.set( origB, relation );\n\t}\n}\n\n/**\n * Holds additional contextual information about a transformed pair of operations (`a` and `b`). Those information\n * can be used for better conflict resolving.\n *\n * @typedef {Object} module:engine/model/operation/transform~TransformationContext\n *\n * @property {Boolean} aIsStrong Whether `a` is strong operation in this transformation, or weak.\n * @property {Boolean} aWasUndone Whether `a` operation was undone.\n * @property {Boolean} bWasUndone Whether `b` operation was undone.\n * @property {String|null} abRelation The relation between `a` operation and an operation undone by `b` operation.\n * @property {String|null} baRelation The relation between `b` operation and an operation undone by `a` operation.\n */\n\n/**\n * An utility function that updates {@link module:engine/model/operation/operation~Operation#baseVersion base versions}\n * of passed operations.\n *\n * The function simply sets `baseVersion` as a base version of the first passed operation and then increments it for\n * each following operation in `operations`.\n *\n * @private\n * @param {Array.<module:engine/model/operation/operation~Operation>} operations Operations to update.\n * @param {Number} baseVersion Base version to set for the first operation in `operations`.\n */\nfunction updateBaseVersions( operations, baseVersion ) {\n\tfor ( const operation of operations ) {\n\t\toperation.baseVersion = baseVersion++;\n\t}\n}\n\n/**\n * Adds `howMany` instances of {@link module:engine/model/operation/nooperation~NoOperation} to `operations` set.\n *\n * @private\n * @param {Array.<module:engine/model/operation/operation~Operation>} operations\n * @param {Number} howMany\n */\nfunction padWithNoOps( operations, howMany ) {\n\tfor ( let i = 0; i < howMany; i++ ) {\n\t\toperations.push( new NoOperation( 0 ) );\n\t}\n}\n\n// -----------------------\n\nsetTransformation( AttributeOperation, AttributeOperation, ( a, b, context ) => {\n\t// If operations in conflict, check if their ranges intersect and manage them properly.\n\t//\n\t// Operations can be in conflict only if:\n\t//\n\t// * their key is the same (they change the same attribute), and\n\t// * they are in the same parent (operations for ranges [ 1 ] - [ 3 ] and [ 2, 0 ] - [ 2, 5 ] change different\n\t// elements and can't be in conflict).\n\tif ( a.key === b.key && a.range.start.hasSameParentAs( b.range.start ) ) {\n\t\t// First, we want to apply change to the part of a range that has not been changed by the other operation.\n\t\tconst operations = a.range.getDifference( b.range ).map( range => {\n\t\t\treturn new AttributeOperation( range, a.key, a.oldValue, a.newValue, 0 );\n\t\t} );\n\n\t\t// Then we take care of the common part of ranges.\n\t\tconst common = a.range.getIntersection( b.range );\n\n\t\tif ( common ) {\n\t\t\t// If this operation is more important, we also want to apply change to the part of the\n\t\t\t// original range that has already been changed by the other operation. Since that range\n\t\t\t// got changed we also have to update `oldValue`.\n\t\t\tif ( context.aIsStrong ) {\n\t\t\t\toperations.push( new AttributeOperation( common, b.key, b.newValue, a.newValue, 0 ) );\n\t\t\t}\n\t\t}\n\n\t\tif ( operations.length == 0 ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\n\t\treturn operations;\n\t} else {\n\t\t// If operations don't conflict, simply return an array containing just a clone of this operation.\n\t\treturn [ a ];\n\t}\n} );\n\nsetTransformation( AttributeOperation, InsertOperation, ( a, b ) => {\n\t// Case 1:\n\t//\n\t// The attribute operation range includes the position where nodes were inserted.\n\t// There are two possible scenarios: the inserted nodes were text and they should receive attributes or\n\t// the inserted nodes were elements and they should not receive attributes.\n\t//\n\tif ( a.range.start.hasSameParentAs( b.position ) && a.range.containsPosition( b.position ) ) {\n\t\t// If new nodes should not receive attributes, two separated ranges will be returned.\n\t\t// Otherwise, one expanded range will be returned.\n\t\tconst range = a.range._getTransformedByInsertion( b.position, b.howMany, !b.shouldReceiveAttributes );\n\t\tconst result = range.map( r => {\n\t\t\treturn new AttributeOperation( r, a.key, a.oldValue, a.newValue, a.baseVersion );\n\t\t} );\n\n\t\tif ( b.shouldReceiveAttributes ) {\n\t\t\t// `AttributeOperation#range` includes some newly inserted text.\n\t\t\t// The operation should also change the attribute of that text. An example:\n\t\t\t//\n\t\t\t// Bold should be applied on the following range:\n\t\t\t// <p>Fo[zb]ar</p>\n\t\t\t//\n\t\t\t// In meantime, new text is typed:\n\t\t\t// <p>Fozxxbar</p>\n\t\t\t//\n\t\t\t// Bold should be applied also on the new text:\n\t\t\t// <p>Fo[zxxb]ar</p>\n\t\t\t// <p>Fo<$text bold=\"true\">zxxb</$text>ar</p>\n\t\t\t//\n\t\t\t// There is a special case to consider here to consider.\n\t\t\t//\n\t\t\t// Consider setting an attribute with multiple possible values, for example `highlight`. The inserted text might\n\t\t\t// have already an attribute value applied and the `oldValue` property of the attribute operation might be wrong:\n\t\t\t//\n\t\t\t// Attribute `highlight=\"yellow\"` should be applied on the following range:\n\t\t\t// <p>Fo[zb]ar<p>\n\t\t\t//\n\t\t\t// In meantime, character `x` with `highlight=\"red\"` is typed:\n\t\t\t// <p>Fo[z<$text highlight=\"red\">x</$text>b]ar</p>\n\t\t\t//\n\t\t\t// In this case we cannot simply apply operation changing the attribute value from `null` to `\"yellow\"` for the whole range\n\t\t\t// because that would lead to an exception (`oldValue` is incorrect for `x`).\n\t\t\t//\n\t\t\t// We also cannot break the original range as this would mess up a scenario when there are multiple following\n\t\t\t// insert operations, because then only the first inserted character is included in those ranges:\n\t\t\t// <p>Fo[z][x][b]ar</p>   -->   <p>Fo[z][x]x[b]ar</p>   -->   <p>Fo[z][x]xx[b]ar</p>\n\t\t\t//\n\t\t\t// So, the attribute range needs be expanded, no matter what attributes are set on the inserted nodes:\n\t\t\t//\n\t\t\t// <p>Fo[z<$text highlight=\"red\">x</$text>b]ar</p>      <--- Change from `null` to `yellow`, throwing an exception.\n\t\t\t//\n\t\t\t// But before that operation would be applied, we will add an additional attribute operation that will change\n\t\t\t// attributes on the inserted nodes in a way which would make the original operation correct:\n\t\t\t//\n\t\t\t// <p>Fo[z{<$text highlight=\"red\">}x</$text>b]ar</p>    <--- Change range `{}` from `red` to `null`.\n\t\t\t// <p>Fo[zxb]ar</p>                                     <--- Now change from `null` to `yellow` is completely fine.\n\t\t\t//\n\n\t\t\t// Generate complementary attribute operation. Be sure to add it before the original operation.\n\t\t\tconst op = _getComplementaryAttributeOperations( b, a.key, a.oldValue );\n\n\t\t\tif ( op ) {\n\t\t\t\tresult.unshift( op );\n\t\t\t}\n\t\t}\n\n\t\t// If nodes should not receive new attribute, we are done here.\n\t\treturn result;\n\t}\n\n\t// If insert operation is not expanding the attribute operation range, simply transform the range.\n\ta.range = a.range._getTransformedByInsertion( b.position, b.howMany, false )[ 0 ];\n\n\treturn [ a ];\n} );\n\n/**\n * Helper function for `AttributeOperation` x `InsertOperation` (and reverse) transformation.\n *\n * For given `insertOperation` it checks the inserted node if it has an attribute `key` set to a value different\n * than `newValue`. If so, it generates an `AttributeOperation` which changes the value of `key` attribute to `newValue`.\n *\n * @private\n * @param {module:engine/model/operation/insertoperation~InsertOperation} insertOperation\n * @param {String} key\n * @param {*} newValue\n * @returns {module:engine/model/operation/attributeoperation~AttributeOperation|null}\n */\nfunction _getComplementaryAttributeOperations( insertOperation, key, newValue ) {\n\tconst nodes = insertOperation.nodes;\n\n\t// At the beginning we store the attribute value from the first node.\n\tconst insertValue = nodes.getNode( 0 ).getAttribute( key );\n\n\tif ( insertValue == newValue ) {\n\t\treturn null;\n\t}\n\n\tconst range = new Range( insertOperation.position, insertOperation.position.getShiftedBy( insertOperation.howMany ) );\n\n\treturn new AttributeOperation( range, key, insertValue, newValue, 0 );\n}\n\nsetTransformation( AttributeOperation, MergeOperation, ( a, b ) => {\n\tconst ranges = [];\n\n\t// Case 1:\n\t//\n\t// Attribute change on the merged element. In this case, the merged element was moved to the graveyard.\n\t// An additional attribute operation that will change the (re)moved element needs to be generated.\n\t//\n\tif ( a.range.start.hasSameParentAs( b.deletionPosition ) ) {\n\t\tif ( a.range.containsPosition( b.deletionPosition ) || a.range.start.isEqual( b.deletionPosition ) ) {\n\t\t\tranges.push( Range._createFromPositionAndShift( b.graveyardPosition, 1 ) );\n\t\t}\n\t}\n\n\tconst range = a.range._getTransformedByMergeOperation( b );\n\n\t// Do not add empty (collapsed) ranges to the result. `range` may be collapsed if it contained only the merged element.\n\tif ( !range.isCollapsed ) {\n\t\tranges.push( range );\n\t}\n\n\t// Create `AttributeOperation`s out of the ranges.\n\treturn ranges.map( range => {\n\t\treturn new AttributeOperation( range, a.key, a.oldValue, a.newValue, a.baseVersion );\n\t} );\n} );\n\nsetTransformation( AttributeOperation, MoveOperation, ( a, b ) => {\n\tconst ranges = _breakRangeByMoveOperation( a.range, b );\n\n\t// Create `AttributeOperation`s out of the ranges.\n\treturn ranges.map( range => new AttributeOperation( range, a.key, a.oldValue, a.newValue, a.baseVersion ) );\n} );\n\n// Helper function for `AttributeOperation` x `MoveOperation` transformation.\n//\n// Takes the passed `range` and transforms it by move operation `moveOp` in a specific way. Only top-level nodes of `range`\n// are considered to be in the range. If move operation moves nodes deep from inside of the range, those nodes won't\n// be included in the result. In other words, top-level nodes of the ranges from the result are exactly the same as\n// top-level nodes of the original `range`.\n//\n// This is important for `AttributeOperation` because, for its range, it changes only the top-level nodes. So we need to\n// track only how those nodes have been affected by `MoveOperation`.\n//\n// @private\n// @param {module:engine/model/range~Range} range\n// @param {module:engine/model/operation/moveoperation~MoveOperation} moveOp\n// @returns {Array.<module:engine/model/range~Range>}\nfunction _breakRangeByMoveOperation( range, moveOp ) {\n\tconst moveRange = Range._createFromPositionAndShift( moveOp.sourcePosition, moveOp.howMany );\n\n\t// We are transforming `range` (original range) by `moveRange` (range moved by move operation). As usual when it comes to\n\t// transforming a ranges, we may have a common part of the ranges and we may have a difference part (zero to two ranges).\n\tlet common = null;\n\tlet difference = [];\n\n\t// Let's compare the ranges.\n\tif ( moveRange.containsRange( range, true ) ) {\n\t\t// If the whole original range is moved, treat it whole as a common part. There's also no difference part.\n\t\tcommon = range;\n\t} else if ( range.start.hasSameParentAs( moveRange.start ) ) {\n\t\t// If the ranges are \"on the same level\" (in the same parent) then move operation may move exactly those nodes\n\t\t// that are changed by the attribute operation. In this case we get common part and difference part in the usual way.\n\t\tdifference = range.getDifference( moveRange );\n\t\tcommon = range.getIntersection( moveRange );\n\t} else {\n\t\t// In any other situation we assume that original range is different than move range, that is that move operation\n\t\t// moves other nodes that attribute operation change. Even if the moved range is deep inside in the original range.\n\t\t//\n\t\t// Note that this is different than in `.getIntersection` (we would get a common part in that case) and different\n\t\t// than `.getDifference` (we would get two ranges).\n\t\tdifference = [ range ];\n\t}\n\n\tconst result = [];\n\n\t// The default behaviour of `_getTransformedByMove` might get wrong results for difference part, though, so\n\t// we do it by hand.\n\tfor ( let diff of difference ) {\n\t\t// First, transform the range by removing moved nodes. Since this is a difference, this is safe, `null` won't be returned\n\t\t// as the range is different than the moved range.\n\t\tdiff = diff._getTransformedByDeletion( moveOp.sourcePosition, moveOp.howMany );\n\n\t\t// Transform also `targetPosition`.\n\t\tconst targetPosition = moveOp.getMovedRangeStart();\n\n\t\t// Spread the range only if moved nodes are inserted only between the top-level nodes of the `diff` range.\n\t\tconst spread = diff.start.hasSameParentAs( targetPosition );\n\n\t\t// Transform by insertion of moved nodes.\n\t\tdiff = diff._getTransformedByInsertion( targetPosition, moveOp.howMany, spread );\n\n\t\tresult.push( ...diff );\n\t}\n\n\t// Common part can be simply transformed by the move operation. This is because move operation will not target to\n\t// that common part (the operation would have to target inside its own moved range).\n\tif ( common ) {\n\t\tresult.push(\n\t\t\tcommon._getTransformedByMove( moveOp.sourcePosition, moveOp.targetPosition, moveOp.howMany, false )[ 0 ]\n\t\t);\n\t}\n\n\treturn result;\n}\n\nsetTransformation( AttributeOperation, SplitOperation, ( a, b ) => {\n\t// Case 1:\n\t//\n\t// Split node is the last node in `AttributeOperation#range`.\n\t// `AttributeOperation#range` needs to be expanded to include the new (split) node.\n\t//\n\t// Attribute `type` to be changed to `numbered` but the `listItem` is split.\n\t// <listItem type=\"bulleted\">foobar</listItem>\n\t//\n\t// After split:\n\t// <listItem type=\"bulleted\">foo</listItem><listItem type=\"bulleted\">bar</listItem>\n\t//\n\t// After attribute change:\n\t// <listItem type=\"numbered\">foo</listItem><listItem type=\"numbered\">foo</listItem>\n\t//\n\tif ( a.range.end.isEqual( b.insertionPosition ) ) {\n\t\tif ( !b.graveyardPosition ) {\n\t\t\ta.range.end.offset++;\n\t\t}\n\n\t\treturn [ a ];\n\t}\n\n\t// Case 2:\n\t//\n\t// Split position is inside `AttributeOperation#range`, at the same level, so the nodes to change are\n\t// not going to make a flat range.\n\t//\n\t// Content with range-to-change and split position:\n\t// <p>Fo[zb^a]r</p>\n\t//\n\t// After split:\n\t// <p>Fozb</p><p>ar</p>\n\t//\n\t// Make two separate ranges containing all nodes to change:\n\t// <p>Fo[zb]</p><p>[a]r</p>\n\t//\n\tif ( a.range.start.hasSameParentAs( b.splitPosition ) && a.range.containsPosition( b.splitPosition ) ) {\n\t\tconst secondPart = a.clone();\n\n\t\tsecondPart.range = new Range(\n\t\t\tb.moveTargetPosition.clone(),\n\t\t\ta.range.end._getCombined( b.splitPosition, b.moveTargetPosition )\n\t\t);\n\n\t\ta.range.end = b.splitPosition.clone();\n\t\ta.range.end.stickiness = 'toPrevious';\n\n\t\treturn [ a, secondPart ];\n\t}\n\n\t// The default case.\n\t//\n\ta.range = a.range._getTransformedBySplitOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( InsertOperation, AttributeOperation, ( a, b ) => {\n\tconst result = [ a ];\n\n\t// Case 1:\n\t//\n\t// The attribute operation range includes the position where nodes were inserted.\n\t// There are two possible scenarios: the inserted nodes were text and they should receive attributes or\n\t// the inserted nodes were elements and they should not receive attributes.\n\t//\n\t// This is a mirror scenario to the one described in `AttributeOperation` x `InsertOperation` transformation,\n\t// although this case is a little less complicated. In this case we simply need to change attributes of the\n\t// inserted nodes and that's it.\n\t//\n\tif ( a.shouldReceiveAttributes && a.position.hasSameParentAs( b.range.start ) && b.range.containsPosition( a.position ) ) {\n\t\tconst op = _getComplementaryAttributeOperations( a, b.key, b.newValue );\n\n\t\tif ( op ) {\n\t\t\tresult.push( op );\n\t\t}\n\t}\n\n\t// The default case is: do nothing.\n\t// `AttributeOperation` does not change the model tree structure so `InsertOperation` does not need to be changed.\n\t//\n\treturn result;\n} );\n\nsetTransformation( InsertOperation, InsertOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// Two insert operations insert nodes at the same position. Since they are the same, it needs to be decided\n\t// what will be the order of inserted nodes. However, there is no additional information to help in that\n\t// decision. Also, when `b` will be transformed by `a`, the same order must be maintained.\n\t//\n\t// To achieve that, we will check if the operation is strong.\n\t// If it is, it won't get transformed. If it is not, it will be moved.\n\t//\n\tif ( a.position.isEqual( b.position ) && context.aIsStrong ) {\n\t\treturn [ a ];\n\t}\n\n\t// The default case.\n\t//\n\ta.position = a.position._getTransformedByInsertOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( InsertOperation, MoveOperation, ( a, b ) => {\n\t// The default case.\n\t//\n\ta.position = a.position._getTransformedByMoveOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( InsertOperation, SplitOperation, ( a, b ) => {\n\t// The default case.\n\t//\n\ta.position = a.position._getTransformedBySplitOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( InsertOperation, MergeOperation, ( a, b ) => {\n\ta.position = a.position._getTransformedByMergeOperation( b );\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( MarkerOperation, InsertOperation, ( a, b ) => {\n\tif ( a.oldRange ) {\n\t\ta.oldRange = a.oldRange._getTransformedByInsertOperation( b )[ 0 ];\n\t}\n\n\tif ( a.newRange ) {\n\t\ta.newRange = a.newRange._getTransformedByInsertOperation( b )[ 0 ];\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MarkerOperation, MarkerOperation, ( a, b, context ) => {\n\tif ( a.name == b.name ) {\n\t\tif ( context.aIsStrong ) {\n\t\t\ta.oldRange = b.newRange ? b.newRange.clone() : null;\n\t\t} else {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MarkerOperation, MergeOperation, ( a, b ) => {\n\tif ( a.oldRange ) {\n\t\ta.oldRange = a.oldRange._getTransformedByMergeOperation( b );\n\t}\n\n\tif ( a.newRange ) {\n\t\ta.newRange = a.newRange._getTransformedByMergeOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MarkerOperation, MoveOperation, ( a, b, context ) => {\n\tif ( a.oldRange ) {\n\t\ta.oldRange = Range._createFromRanges( a.oldRange._getTransformedByMoveOperation( b ) );\n\t}\n\n\tif ( a.newRange ) {\n\t\tif ( context.abRelation ) {\n\t\t\tconst aNewRange = Range._createFromRanges( a.newRange._getTransformedByMoveOperation( b ) );\n\n\t\t\tif ( context.abRelation.side == 'left' && b.targetPosition.isEqual( a.newRange.start ) ) {\n\t\t\t\ta.newRange.start.path = context.abRelation.path;\n\t\t\t\ta.newRange.end = aNewRange.end;\n\n\t\t\t\treturn [ a ];\n\t\t\t} else if ( context.abRelation.side == 'right' && b.targetPosition.isEqual( a.newRange.end ) ) {\n\t\t\t\ta.newRange.start = aNewRange.start;\n\t\t\t\ta.newRange.end.path = context.abRelation.path;\n\n\t\t\t\treturn [ a ];\n\t\t\t}\n\t\t}\n\n\t\ta.newRange = Range._createFromRanges( a.newRange._getTransformedByMoveOperation( b ) );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MarkerOperation, SplitOperation, ( a, b, context ) => {\n\tif ( a.oldRange ) {\n\t\ta.oldRange = a.oldRange._getTransformedBySplitOperation( b );\n\t}\n\n\tif ( a.newRange ) {\n\t\tif ( context.abRelation ) {\n\t\t\tconst aNewRange = a.newRange._getTransformedBySplitOperation( b );\n\n\t\t\tif ( a.newRange.start.isEqual( b.splitPosition ) && context.abRelation.wasStartBeforeMergedElement ) {\n\t\t\t\ta.newRange.start = Position._createAt( b.insertionPosition );\n\t\t\t} else if ( a.newRange.start.isEqual( b.splitPosition ) && !context.abRelation.wasInLeftElement ) {\n\t\t\t\ta.newRange.start = Position._createAt( b.moveTargetPosition );\n\t\t\t}\n\n\t\t\tif ( a.newRange.end.isEqual( b.splitPosition ) && context.abRelation.wasInRightElement ) {\n\t\t\t\ta.newRange.end = Position._createAt( b.moveTargetPosition );\n\t\t\t} else if ( a.newRange.end.isEqual( b.splitPosition ) && context.abRelation.wasEndBeforeMergedElement ) {\n\t\t\t\ta.newRange.end = Position._createAt( b.insertionPosition );\n\t\t\t} else {\n\t\t\t\ta.newRange.end = aNewRange.end;\n\t\t\t}\n\n\t\t\treturn [ a ];\n\t\t}\n\n\t\ta.newRange = a.newRange._getTransformedBySplitOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( MergeOperation, InsertOperation, ( a, b ) => {\n\tif ( a.sourcePosition.hasSameParentAs( b.position ) ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\ta.sourcePosition = a.sourcePosition._getTransformedByInsertOperation( b );\n\ta.targetPosition = a.targetPosition._getTransformedByInsertOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( MergeOperation, MergeOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// Same merge operations.\n\t//\n\t// Both operations have same source and target positions. So the element already got merged and there is\n\t// theoretically nothing to do.\n\t//\n\tif ( a.sourcePosition.isEqual( b.sourcePosition ) && a.targetPosition.isEqual( b.targetPosition ) ) {\n\t\t// There are two ways that we can provide a do-nothing operation.\n\t\t//\n\t\t// First is simply a NoOperation instance. We will use it if `b` operation was not undone.\n\t\t//\n\t\t// Second is a merge operation that has the source operation in the merged element - in the graveyard -\n\t\t// same target position and `howMany` equal to `0`. So it is basically merging an empty element from graveyard\n\t\t// which is almost the same as NoOperation.\n\t\t//\n\t\t// This way the merge operation can be later transformed by split operation\n\t\t// to provide correct undo. This will be used if `b` operation was undone (only then it is correct).\n\t\t//\n\t\tif ( !context.bWasUndone ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t} else {\n\t\t\tconst path = b.graveyardPosition.path.slice();\n\t\t\tpath.push( 0 );\n\n\t\t\ta.sourcePosition = new Position( b.graveyardPosition.root, path );\n\t\t\ta.howMany = 0;\n\n\t\t\treturn [ a ];\n\t\t}\n\t}\n\n\t// Case 2:\n\t//\n\t// Same merge source position but different target position.\n\t//\n\t// This can happen during collaboration. For example, if one client merged a paragraph to the previous paragraph\n\t// and the other person removed that paragraph and merged the same paragraph to something before:\n\t//\n\t// Client A:\n\t// <p>Foo</p><p>Bar</p><p>[]Xyz</p>\n\t// <p>Foo</p><p>BarXyz</p>\n\t//\n\t// Client B:\n\t// <p>Foo</p>[<p>Bar</p>]<p>Xyz</p>\n\t// <p>Foo</p><p>[]Xyz</p>\n\t// <p>FooXyz</p>\n\t//\n\t// In this case we need to decide where finally \"Xyz\" will land:\n\t//\n\t// <p>FooXyz</p>               graveyard: <p>Bar</p>\n\t// <p>Foo</p>                  graveyard: <p>BarXyz</p>\n\t//\n\t// Let's move it in a way so that a merge operation that does not target to graveyard is more important so that\n\t// nodes does not end up in the graveyard. It makes sense. Both for Client A and for Client B \"Xyz\" finally did not\n\t// end up in the graveyard (see above).\n\t//\n\t// If neither or both operations point to graveyard, then let `aIsStrong` decide.\n\t//\n\tif (\n\t\ta.sourcePosition.isEqual( b.sourcePosition ) && !a.targetPosition.isEqual( b.targetPosition ) &&\n\t\t!context.bWasUndone && context.abRelation != 'splitAtSource'\n\t) {\n\t\tconst aToGraveyard = a.targetPosition.root.rootName == '$graveyard';\n\t\tconst bToGraveyard = b.targetPosition.root.rootName == '$graveyard';\n\n\t\t// If `aIsWeak` it means that `a` points to graveyard while `b` doesn't. Don't move nodes then.\n\t\tconst aIsWeak = aToGraveyard && !bToGraveyard;\n\n\t\t// If `bIsWeak` it means that `b` points to graveyard while `a` doesn't. Force moving nodes then.\n\t\tconst bIsWeak = bToGraveyard && !aToGraveyard;\n\n\t\t// Force move if `b` is weak or neither operation is weak but `a` is stronger through `context.aIsStrong`.\n\t\tconst forceMove = bIsWeak || ( !aIsWeak && context.aIsStrong );\n\n\t\tif ( forceMove ) {\n\t\t\tconst sourcePosition = b.targetPosition._getTransformedByMergeOperation( b );\n\t\t\tconst targetPosition = a.targetPosition._getTransformedByMergeOperation( b );\n\n\t\t\treturn [ new MoveOperation( sourcePosition, a.howMany, targetPosition, 0 ) ];\n\t\t} else {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.sourcePosition.hasSameParentAs( b.targetPosition ) ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\ta.sourcePosition = a.sourcePosition._getTransformedByMergeOperation( b );\n\ta.targetPosition = a.targetPosition._getTransformedByMergeOperation( b );\n\n\t// Handle positions in graveyard.\n\t// If graveyard positions are same and `a` operation is strong - do not transform.\n\tif ( !a.graveyardPosition.isEqual( b.graveyardPosition ) || !context.aIsStrong ) {\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByMergeOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MergeOperation, MoveOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// The element to merge got removed.\n\t//\n\t// Merge operation does support merging elements which are not siblings. So it would not be a problem\n\t// from technical point of view. However, if the element was removed, the intention of the user deleting it\n\t// was to have it all deleted, together with its children. From user experience point of view, moving back the\n\t// removed nodes might be unexpected. This means that in this scenario we will block the merging.\n\t//\n\t// The exception of this rule would be if the remove operation was later undone.\n\t//\n\tconst removedRange = Range._createFromPositionAndShift( b.sourcePosition, b.howMany );\n\n\tif ( b.type == 'remove' && !context.bWasUndone && !context.forceWeakRemove ) {\n\t\tif ( a.deletionPosition.hasSameParentAs( b.sourcePosition ) && removedRange.containsPosition( a.sourcePosition ) ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.sourcePosition.hasSameParentAs( b.targetPosition ) ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\tif ( a.sourcePosition.hasSameParentAs( b.sourcePosition ) ) {\n\t\ta.howMany -= b.howMany;\n\t}\n\n\ta.sourcePosition = a.sourcePosition._getTransformedByMoveOperation( b );\n\ta.targetPosition = a.targetPosition._getTransformedByMoveOperation( b );\n\n\t// `MergeOperation` graveyard position is like `MoveOperation` target position. It is a position where element(s) will\n\t// be moved. Like in other similar cases, we need to consider the scenario when those positions are same.\n\t// Here, we will treat `MergeOperation` like it is always strong (see `InsertOperation` x `InsertOperation` for comparison).\n\t// This means that we won't transform graveyard position if it is equal to move operation target position.\n\tif ( !a.graveyardPosition.isEqual( b.targetPosition ) ) {\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByMoveOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MergeOperation, SplitOperation, ( a, b, context ) => {\n\tif ( b.graveyardPosition ) {\n\t\t// If `b` operation defines graveyard position, a node from graveyard will be moved. This means that we need to\n\t\t// transform `a.graveyardPosition` accordingly.\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByDeletion( b.graveyardPosition, 1 );\n\n\t\t// This is a scenario foreseen in `MergeOperation` x `MergeOperation`, with two identical merge operations.\n\t\t//\n\t\t// So, there was `MergeOperation` x `MergeOperation` transformation earlier. Now, `a` is a merge operation which\n\t\t// source position is in graveyard. Interestingly, split operation wants to use the node to be merged by `a`. This\n\t\t// means that `b` is undoing that merge operation from earlier, which caused `a` to be in graveyard.\n\t\t//\n\t\t// If that's the case, at this point, we will only \"fix\" `a.howMany`. It was earlier set to `0` in\n\t\t// `MergeOperation` x `MergeOperation` transformation. Later transformations in this function will change other\n\t\t// properties.\n\t\t//\n\t\tif ( a.deletionPosition.isEqual( b.graveyardPosition ) ) {\n\t\t\ta.howMany = b.howMany;\n\t\t}\n\t}\n\n\t// Case 1:\n\t//\n\t// Merge operation moves nodes to the place where split happens.\n\t// This is a classic situation when there are two paragraphs, and there is a split (enter) after the first\n\t// paragraph and there is a merge (delete) at the beginning of the second paragraph:\n\t//\n\t// <p>Foo{}</p><p>[]Bar</p>.\n\t//\n\t// Split is after `Foo`, while merge is from `Bar` to the end of `Foo`.\n\t//\n\t// State after split:\n\t// <p>Foo</p><p></p><p>Bar</p>\n\t//\n\t// Now, `Bar` should be merged to the new paragraph:\n\t// <p>Foo</p><p>Bar</p>\n\t//\n\t// Instead of merging it to the original paragraph:\n\t// <p>FooBar</p><p></p>\n\t//\n\t// This means that `targetPosition` needs to be transformed. This is the default case though.\n\t// For example, if the split would be after `F`, `targetPosition` should also be transformed.\n\t//\n\t// There are three exceptions, though, when we want to keep `targetPosition` as it was.\n\t//\n\t// First exception is when the merge target position is inside an element (not at the end, as usual). This\n\t// happens when the merge operation earlier was transformed by \"the same\" merge operation. If merge operation\n\t// targets inside the element we want to keep the original target position (and not transform it) because\n\t// we have additional context telling us that we want to merge to the original element. We can check if the\n\t// merge operation points inside element by checking what is `SplitOperation#howMany`. Since merge target position\n\t// is same as split position, if `howMany` is non-zero, it means that the merge target position is inside an element.\n\t//\n\t// Second exception is when the element to merge is in the graveyard and split operation uses it. In that case\n\t// if target position would be transformed, the merge operation would target at the source position:\n\t//\n\t// root: <p>Foo</p>\t\t\t\tgraveyard: <p></p>\n\t//\n\t// SplitOperation: root [ 0, 3 ] using graveyard [ 0 ] (howMany = 0)\n\t// MergeOperation: graveyard [ 0, 0 ] -> root [ 0, 3 ] (howMany = 0)\n\t//\n\t// Since split operation moves the graveyard node back to the root, the merge operation source position changes.\n\t// We would like to merge from the empty <p> to the \"Foo\" <p>:\n\t//\n\t// root: <p>Foo</p><p></p>\t\t\tgraveyard:\n\t//\n\t// MergeOperation#sourcePosition = root [ 1, 0 ]\n\t//\n\t// If `targetPosition` is transformed, it would become root [ 1, 0 ] as well. It has to be kept as it was.\n\t//\n\t// Third exception is connected with relations. If this happens during undo and we have explicit information\n\t// that target position has not been affected by the operation which is undone by this split then this split should\n\t// not move the target position either.\n\t//\n\tif ( a.targetPosition.isEqual( b.splitPosition ) ) {\n\t\tconst mergeInside = b.howMany != 0;\n\t\tconst mergeSplittingElement = b.graveyardPosition && a.deletionPosition.isEqual( b.graveyardPosition );\n\n\t\tif ( mergeInside || mergeSplittingElement || context.abRelation == 'mergeTargetNotMoved' ) {\n\t\t\ta.sourcePosition = a.sourcePosition._getTransformedBySplitOperation( b );\n\n\t\t\treturn [ a ];\n\t\t}\n\t}\n\n\t// Case 2:\n\t//\n\t// Merge source is at the same position as split position. This sometimes happen, mostly during undo.\n\t// The decision here is mostly to choose whether merge source position should stay where it is (so it will be at the end of the\n\t// split element) or should be move to the beginning of the new element.\n\t//\n\tif ( a.sourcePosition.isEqual( b.splitPosition ) ) {\n\t\t// Use context to check if `SplitOperation` is not undoing a merge operation, that didn't change the `a` operation.\n\t\t// This scenario happens the undone merge operation moved nodes at the source position of `a` operation.\n\t\t// In that case `a` operation source position should stay where it is.\n\t\tif ( context.abRelation == 'mergeSourceNotMoved' ) {\n\t\t\ta.howMany = 0;\n\t\t\ta.targetPosition = a.targetPosition._getTransformedBySplitOperation( b );\n\n\t\t\treturn [ a ];\n\t\t}\n\n\t\t// This merge operation might have been earlier transformed by a merge operation which both merged the same element.\n\t\t// See that case in `MergeOperation` x `MergeOperation` transformation. In that scenario, if the merge operation has been undone,\n\t\t// the special case is not applied.\n\t\t//\n\t\t// Now, the merge operation is transformed by the split which has undone that previous merge operation.\n\t\t// So now we are fixing situation which was skipped in `MergeOperation` x `MergeOperation` case.\n\t\t//\n\t\tif ( context.abRelation == 'mergeSameElement' || a.sourcePosition.offset > 0 ) {\n\t\t\ta.sourcePosition = b.moveTargetPosition.clone();\n\t\t\ta.targetPosition = a.targetPosition._getTransformedBySplitOperation( b );\n\n\t\t\treturn [ a ];\n\t\t}\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.sourcePosition.hasSameParentAs( b.splitPosition ) ) {\n\t\ta.howMany = b.splitPosition.offset;\n\t}\n\n\ta.sourcePosition = a.sourcePosition._getTransformedBySplitOperation( b );\n\ta.targetPosition = a.targetPosition._getTransformedBySplitOperation( b );\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( MoveOperation, InsertOperation, ( a, b ) => {\n\tconst moveRange = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\tconst transformed = moveRange._getTransformedByInsertOperation( b, false )[ 0 ];\n\n\ta.sourcePosition = transformed.start;\n\ta.howMany = transformed.end.offset - transformed.start.offset;\n\n\t// See `InsertOperation` x `MoveOperation` transformation for details on this case.\n\t//\n\t// In summary, both operations point to the same place, so the order of nodes needs to be decided.\n\t// `MoveOperation` is considered weaker, so it is always transformed, unless there was a certain relation\n\t// between operations.\n\t//\n\tif ( !a.targetPosition.isEqual( b.position ) ) {\n\t\ta.targetPosition = a.targetPosition._getTransformedByInsertOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MoveOperation, MoveOperation, ( a, b, context ) => {\n\t//\n\t// Setting and evaluating some variables that will be used in special cases and default algorithm.\n\t//\n\t// Create ranges from `MoveOperations` properties.\n\tconst rangeA = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\tconst rangeB = Range._createFromPositionAndShift( b.sourcePosition, b.howMany );\n\n\t// Assign `context.aIsStrong` to a different variable, because the value may change during execution of\n\t// this algorithm and we do not want to override original `context.aIsStrong` that will be used in later transformations.\n\tlet aIsStrong = context.aIsStrong;\n\n\t// This will be used to decide the order of nodes if both operations target at the same position.\n\t// By default, use strong/weak operation mechanism.\n\tlet insertBefore = !context.aIsStrong;\n\n\t// If the relation is set, then use it to decide nodes order.\n\tif ( context.abRelation == 'insertBefore' || context.baRelation == 'insertAfter' ) {\n\t\tinsertBefore = true;\n\t} else if ( context.abRelation == 'insertAfter' || context.baRelation == 'insertBefore' ) {\n\t\tinsertBefore = false;\n\t}\n\n\t// `a.targetPosition` could be affected by the `b` operation. We will transform it.\n\tlet newTargetPosition;\n\n\tif ( a.targetPosition.isEqual( b.targetPosition ) && insertBefore ) {\n\t\tnewTargetPosition = a.targetPosition._getTransformedByDeletion(\n\t\t\tb.sourcePosition,\n\t\t\tb.howMany\n\t\t);\n\t} else {\n\t\tnewTargetPosition = a.targetPosition._getTransformedByMove(\n\t\t\tb.sourcePosition,\n\t\t\tb.targetPosition,\n\t\t\tb.howMany\n\t\t);\n\t}\n\n\t//\n\t// Special case #1 + mirror.\n\t//\n\t// Special case when both move operations' target positions are inside nodes that are\n\t// being moved by the other move operation. So in other words, we move ranges into inside of each other.\n\t// This case can't be solved reasonably (on the other hand, it should not happen often).\n\tif ( _moveTargetIntoMovedRange( a, b ) && _moveTargetIntoMovedRange( b, a ) ) {\n\t\t// Instead of transforming operation, we return a reverse of the operation that we transform by.\n\t\t// So when the results of this \"transformation\" will be applied, `b` MoveOperation will get reversed.\n\t\treturn [ b.getReversed() ];\n\t}\n\t//\n\t// End of special case #1.\n\t//\n\n\t//\n\t// Special case #2.\n\t//\n\t// Check if `b` operation targets inside `rangeA`.\n\tconst bTargetsToA = rangeA.containsPosition( b.targetPosition );\n\n\t// If `b` targets to `rangeA` and `rangeA` contains `rangeB`, `b` operation has no influence on `a` operation.\n\t// You might say that operation `b` is captured inside operation `a`.\n\tif ( bTargetsToA && rangeA.containsRange( rangeB, true ) ) {\n\t\t// There is a mini-special case here, where `rangeB` is on other level than `rangeA`. That's why\n\t\t// we need to transform `a` operation anyway.\n\t\trangeA.start = rangeA.start._getTransformedByMove( b.sourcePosition, b.targetPosition, b.howMany );\n\t\trangeA.end = rangeA.end._getTransformedByMove( b.sourcePosition, b.targetPosition, b.howMany );\n\n\t\treturn _makeMoveOperationsFromRanges( [ rangeA ], newTargetPosition );\n\t}\n\n\t//\n\t// Special case #2 mirror.\n\t//\n\tconst aTargetsToB = rangeB.containsPosition( a.targetPosition );\n\n\tif ( aTargetsToB && rangeB.containsRange( rangeA, true ) ) {\n\t\t// `a` operation is \"moved together\" with `b` operation.\n\t\t// Here, just move `rangeA` \"inside\" `rangeB`.\n\t\trangeA.start = rangeA.start._getCombined( b.sourcePosition, b.getMovedRangeStart() );\n\t\trangeA.end = rangeA.end._getCombined( b.sourcePosition, b.getMovedRangeStart() );\n\n\t\treturn _makeMoveOperationsFromRanges( [ rangeA ], newTargetPosition );\n\t}\n\t//\n\t// End of special case #2.\n\t//\n\n\t//\n\t// Special case #3 + mirror.\n\t//\n\t// `rangeA` has a node which is an ancestor of `rangeB`. In other words, `rangeB` is inside `rangeA`\n\t// but not on the same tree level. In such case ranges have common part but we have to treat it\n\t// differently, because in such case those ranges are not really conflicting and should be treated like\n\t// two separate ranges. Also we have to discard two difference parts.\n\tconst aCompB = compareArrays( a.sourcePosition.getParentPath(), b.sourcePosition.getParentPath() );\n\n\tif ( aCompB == 'prefix' || aCompB == 'extension' ) {\n\t\t// Transform `rangeA` by `b` operation and make operation out of it, and that's all.\n\t\t// Note that this is a simplified version of default case, but here we treat the common part (whole `rangeA`)\n\t\t// like a one difference part.\n\t\trangeA.start = rangeA.start._getTransformedByMove( b.sourcePosition, b.targetPosition, b.howMany );\n\t\trangeA.end = rangeA.end._getTransformedByMove( b.sourcePosition, b.targetPosition, b.howMany );\n\n\t\treturn _makeMoveOperationsFromRanges( [ rangeA ], newTargetPosition );\n\t}\n\t//\n\t// End of special case #3.\n\t//\n\n\t//\n\t// Default case - ranges are on the same level or are not connected with each other.\n\t//\n\t// Modifier for default case.\n\t// Modifies `aIsStrong` flag in certain conditions.\n\t//\n\t// If only one of operations is a remove operation, we force remove operation to be the \"stronger\" one\n\t// to provide more expected results.\n\tif ( a.type == 'remove' && b.type != 'remove' && !context.aWasUndone && !context.forceWeakRemove ) {\n\t\taIsStrong = true;\n\t} else if ( a.type != 'remove' && b.type == 'remove' && !context.bWasUndone && !context.forceWeakRemove ) {\n\t\taIsStrong = false;\n\t}\n\n\t// Handle operation's source ranges - check how `rangeA` is affected by `b` operation.\n\t// This will aggregate transformed ranges.\n\tconst ranges = [];\n\n\t// Get the \"difference part\" of `a` operation source range.\n\t// This is an array with one or two ranges. Two ranges if `rangeB` is inside `rangeA`.\n\tconst difference = rangeA.getDifference( rangeB );\n\n\tfor ( const range of difference ) {\n\t\t// Transform those ranges by `b` operation. For example if `b` moved range from before those ranges, fix those ranges.\n\t\trange.start = range.start._getTransformedByDeletion( b.sourcePosition, b.howMany );\n\t\trange.end = range.end._getTransformedByDeletion( b.sourcePosition, b.howMany );\n\n\t\t// If `b` operation targets into `rangeA` on the same level, spread `rangeA` into two ranges.\n\t\tconst shouldSpread = compareArrays( range.start.getParentPath(), b.getMovedRangeStart().getParentPath() ) == 'same';\n\t\tconst newRanges = range._getTransformedByInsertion( b.getMovedRangeStart(), b.howMany, shouldSpread );\n\n\t\tranges.push( ...newRanges );\n\t}\n\n\t// Then, we have to manage the \"common part\" of both move ranges.\n\tconst common = rangeA.getIntersection( rangeB );\n\n\tif ( common !== null && aIsStrong ) {\n\t\t// Calculate the new position of that part of original range.\n\t\tcommon.start = common.start._getCombined( b.sourcePosition, b.getMovedRangeStart() );\n\t\tcommon.end = common.end._getCombined( b.sourcePosition, b.getMovedRangeStart() );\n\n\t\t// Take care of proper range order.\n\t\t//\n\t\t// Put `common` at appropriate place. Keep in mind that we are interested in original order.\n\t\t// Basically there are only three cases: there is zero, one or two difference ranges.\n\t\t//\n\t\t// If there is zero difference ranges, just push `common` in the array.\n\t\tif ( ranges.length === 0 ) {\n\t\t\tranges.push( common );\n\t\t}\n\t\t// If there is one difference range, we need to check whether common part was before it or after it.\n\t\telse if ( ranges.length == 1 ) {\n\t\t\tif ( rangeB.start.isBefore( rangeA.start ) || rangeB.start.isEqual( rangeA.start ) ) {\n\t\t\t\tranges.unshift( common );\n\t\t\t} else {\n\t\t\t\tranges.push( common );\n\t\t\t}\n\t\t}\n\t\t// If there are more ranges (which means two), put common part between them. This is the only scenario\n\t\t// where there could be two difference ranges so we don't have to make any comparisons.\n\t\telse {\n\t\t\tranges.splice( 1, 0, common );\n\t\t}\n\t}\n\n\tif ( ranges.length === 0 ) {\n\t\t// If there are no \"source ranges\", nothing should be changed.\n\t\t// Note that this can happen only if `aIsStrong == false` and `rangeA.isEqual( rangeB )`.\n\t\treturn [ new NoOperation( a.baseVersion ) ];\n\t}\n\n\treturn _makeMoveOperationsFromRanges( ranges, newTargetPosition );\n} );\n\nsetTransformation( MoveOperation, SplitOperation, ( a, b, context ) => {\n\tlet newTargetPosition = a.targetPosition.clone();\n\n\t// Do not transform if target position is same as split insertion position and this split comes from undo.\n\t// This should be done on relations but it is too much work for now as it would require relations working in collaboration.\n\t// We need to make a decision how we will resolve such conflict and this is less harmful way.\n\tif ( !a.targetPosition.isEqual( b.insertionPosition ) || !b.graveyardPosition || context.abRelation == 'moveTargetAfter' ) {\n\t\tnewTargetPosition = a.targetPosition._getTransformedBySplitOperation( b );\n\t}\n\n\t// Case 1:\n\t//\n\t// Last element in the moved range got split.\n\t//\n\t// In this case the default range transformation will not work correctly as the element created by\n\t// split operation would be outside the range. The range to move needs to be fixed manually.\n\t//\n\tconst moveRange = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\n\tif ( moveRange.end.isEqual( b.insertionPosition ) ) {\n\t\t// Do it only if this is a \"natural\" split, not a one that comes from undo.\n\t\t// If this is undo split, only `targetPosition` needs to be changed (if the move is a remove).\n\t\tif ( !b.graveyardPosition ) {\n\t\t\ta.howMany++;\n\t\t}\n\n\t\ta.targetPosition = newTargetPosition;\n\n\t\treturn [ a ];\n\t}\n\n\t// Case 2:\n\t//\n\t// Split happened between the moved nodes. In this case two ranges to move need to be generated.\n\t//\n\t// Characters `ozba` are moved to the end of paragraph `Xyz` but split happened.\n\t// <p>F[oz|ba]r</p><p>Xyz</p>\n\t//\n\t// After split:\n\t// <p>F[oz</p><p>ba]r</p><p>Xyz</p>\n\t//\n\t// Correct ranges:\n\t// <p>F[oz]</p><p>[ba]r</p><p>Xyz</p>\n\t//\n\t// After move:\n\t// <p>F</p><p>r</p><p>Xyzozba</p>\n\t//\n\tif ( moveRange.start.hasSameParentAs( b.splitPosition ) && moveRange.containsPosition( b.splitPosition ) ) {\n\t\tlet rightRange = new Range( b.splitPosition, moveRange.end );\n\t\trightRange = rightRange._getTransformedBySplitOperation( b );\n\n\t\tconst ranges = [\n\t\t\tnew Range( moveRange.start, b.splitPosition ),\n\t\t\trightRange\n\t\t];\n\n\t\treturn _makeMoveOperationsFromRanges( ranges, newTargetPosition );\n\t}\n\n\t// Case 3:\n\t//\n\t// Move operation targets at the split position. We need to decide if the nodes should be inserted\n\t// at the end of the split element or at the beginning of the new element.\n\t//\n\tif ( a.targetPosition.isEqual( b.splitPosition ) && context.abRelation == 'insertAtSource' ) {\n\t\tnewTargetPosition = b.moveTargetPosition;\n\t}\n\n\t// Case 4:\n\t//\n\t// Move operation targets just after the split element. We need to decide if the nodes should be inserted\n\t// between two parts of split element, or after the new element.\n\t//\n\t// Split at `|`, while move operation moves `<p>Xyz</p>` and targets at `^`:\n\t// <p>Foo|bar</p>^<p>baz</p>\n\t// <p>Foo</p>^<p>bar</p><p>baz</p> or <p>Foo</p><p>bar</p>^<p>baz</p>?\n\t//\n\t// If there is no contextual information between operations (for example, they come from collaborative\n\t// editing), we don't want to put some unrelated content (move) between parts of related content (split parts).\n\t// However, if the split is from undo, in the past, the moved content might be targeting between the\n\t// split parts, meaning that was exactly user's intention:\n\t//\n\t// <p>Foo</p>^<p>bar</p>\t\t<--- original situation, in \"past\".\n\t// <p>Foobar</p>^\t\t\t\t<--- after merge target position is transformed.\n\t// <p>Foo|bar</p>^\t\t\t\t<--- then the merge is undone, and split happens, which leads us to current situation.\n\t//\n\t// In this case it is pretty clear that the intention was to put new paragraph between those nodes,\n\t// so we need to transform accordingly. We can detect this scenario thanks to relations.\n\t//\n\tif ( a.targetPosition.isEqual( b.insertionPosition ) && context.abRelation == 'insertBetween' ) {\n\t\tnewTargetPosition = a.targetPosition;\n\t}\n\n\t// The default case.\n\t//\n\tconst transformed = moveRange._getTransformedBySplitOperation( b );\n\tconst ranges = [ transformed ];\n\n\t// Case 5:\n\t//\n\t// Moved range contains graveyard element used by split operation. Add extra move operation to the result.\n\t//\n\tif ( b.graveyardPosition ) {\n\t\tconst movesGraveyardElement = moveRange.start.isEqual( b.graveyardPosition ) || moveRange.containsPosition( b.graveyardPosition );\n\n\t\tif ( a.howMany > 1 && movesGraveyardElement && !context.aWasUndone ) {\n\t\t\tranges.push( Range._createFromPositionAndShift( b.insertionPosition, 1 ) );\n\t\t}\n\t}\n\n\treturn _makeMoveOperationsFromRanges( ranges, newTargetPosition );\n} );\n\nsetTransformation( MoveOperation, MergeOperation, ( a, b, context ) => {\n\tconst movedRange = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\n\tif ( b.deletionPosition.hasSameParentAs( a.sourcePosition ) && movedRange.containsPosition( b.sourcePosition ) ) {\n\t\tif ( a.type == 'remove' && !context.forceWeakRemove ) {\n\t\t\t// Case 1:\n\t\t\t//\n\t\t\t// The element to remove got merged.\n\t\t\t//\n\t\t\t// Merge operation does support merging elements which are not siblings. So it would not be a problem\n\t\t\t// from technical point of view. However, if the element was removed, the intention of the user\n\t\t\t// deleting it was to have it all deleted. From user experience point of view, moving back the\n\t\t\t// removed nodes might be unexpected. This means that in this scenario we will reverse merging and remove the element.\n\t\t\t//\n\t\t\tif ( !context.aWasUndone ) {\n\t\t\t\tconst results = [];\n\n\t\t\t\tlet gyMoveSource = b.graveyardPosition.clone();\n\t\t\t\tlet splitNodesMoveSource = b.targetPosition._getTransformedByMergeOperation( b );\n\n\t\t\t\tif ( a.howMany > 1 ) {\n\t\t\t\t\tresults.push( new MoveOperation( a.sourcePosition, a.howMany - 1, a.targetPosition, 0 ) );\n\n\t\t\t\t\tgyMoveSource = gyMoveSource._getTransformedByMove( a.sourcePosition, a.targetPosition, a.howMany - 1 );\n\t\t\t\t\tsplitNodesMoveSource = splitNodesMoveSource._getTransformedByMove( a.sourcePosition, a.targetPosition, a.howMany - 1 );\n\t\t\t\t}\n\n\t\t\t\tconst gyMoveTarget = b.deletionPosition._getCombined( a.sourcePosition, a.targetPosition );\n\t\t\t\tconst gyMove = new MoveOperation( gyMoveSource, 1, gyMoveTarget, 0 );\n\n\t\t\t\tconst splitNodesMoveTargetPath = gyMove.getMovedRangeStart().path.slice();\n\t\t\t\tsplitNodesMoveTargetPath.push( 0 );\n\n\t\t\t\tconst splitNodesMoveTarget = new Position( gyMove.targetPosition.root, splitNodesMoveTargetPath );\n\t\t\t\tsplitNodesMoveSource = splitNodesMoveSource._getTransformedByMove( gyMoveSource, gyMoveTarget, 1 );\n\t\t\t\tconst splitNodesMove = new MoveOperation( splitNodesMoveSource, b.howMany, splitNodesMoveTarget, 0 );\n\n\t\t\t\tresults.push( gyMove );\n\t\t\t\tresults.push( splitNodesMove );\n\n\t\t\t\treturn results;\n\t\t\t}\n\t\t} else {\n\t\t\t// Case 2:\n\t\t\t//\n\t\t\t// The element to move got merged and it was the only element to move.\n\t\t\t// In this case just don't do anything, leave the node in the graveyard. Without special case\n\t\t\t// it would be a move operation that moves 0 nodes, so maybe it is better just to return no-op.\n\t\t\t//\n\t\t\tif ( a.howMany == 1 ) {\n\t\t\t\tif ( !context.bWasUndone ) {\n\t\t\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t\t\t} else {\n\t\t\t\t\ta.sourcePosition = b.graveyardPosition.clone();\n\t\t\t\t\ta.targetPosition = a.targetPosition._getTransformedByMergeOperation( b );\n\n\t\t\t\t\treturn [ a ];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// The default case.\n\t//\n\tconst moveRange = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\tconst transformed = moveRange._getTransformedByMergeOperation( b );\n\n\ta.sourcePosition = transformed.start;\n\ta.howMany = transformed.end.offset - transformed.start.offset;\n\ta.targetPosition = a.targetPosition._getTransformedByMergeOperation( b );\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( RenameOperation, InsertOperation, ( a, b ) => {\n\ta.position = a.position._getTransformedByInsertOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( RenameOperation, MergeOperation, ( a, b ) => {\n\t// Case 1:\n\t//\n\t// Element to rename got merged, so it was moved to `b.graveyardPosition`.\n\t//\n\tif ( a.position.isEqual( b.deletionPosition ) ) {\n\t\ta.position = b.graveyardPosition.clone();\n\t\ta.position.stickiness = 'toNext';\n\n\t\treturn [ a ];\n\t}\n\n\ta.position = a.position._getTransformedByMergeOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( RenameOperation, MoveOperation, ( a, b ) => {\n\ta.position = a.position._getTransformedByMoveOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( RenameOperation, RenameOperation, ( a, b, context ) => {\n\tif ( a.position.isEqual( b.position ) ) {\n\t\tif ( context.aIsStrong ) {\n\t\t\ta.oldName = b.newName;\n\t\t} else {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( RenameOperation, SplitOperation, ( a, b ) => {\n\t// Case 1:\n\t//\n\t// The element to rename has been split. In this case, the new element should be also renamed.\n\t//\n\t// User decides to change the paragraph to a list item:\n\t// <paragraph>Foobar</paragraph>\n\t//\n\t// However, in meantime, split happens:\n\t// <paragraph>Foo</paragraph><paragraph>bar</paragraph>\n\t//\n\t// As a result, rename both elements:\n\t// <listItem>Foo</listItem><listItem>bar</listItem>\n\t//\n\tconst renamePath = a.position.path;\n\tconst splitPath = b.splitPosition.getParentPath();\n\n\tif ( compareArrays( renamePath, splitPath ) == 'same' && !b.graveyardPosition ) {\n\t\tconst extraRename = new RenameOperation( a.position.getShiftedBy( 1 ), a.oldName, a.newName, 0 );\n\n\t\treturn [ a, extraRename ];\n\t}\n\n\t// The default case.\n\t//\n\ta.position = a.position._getTransformedBySplitOperation( b );\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( RootAttributeOperation, RootAttributeOperation, ( a, b, context ) => {\n\tif ( a.root === b.root && a.key === b.key ) {\n\t\tif ( !context.aIsStrong || a.newValue === b.newValue ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t} else {\n\t\t\ta.oldValue = b.newValue;\n\t\t}\n\t}\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( SplitOperation, InsertOperation, ( a, b ) => {\n\t// The default case.\n\t//\n\tif ( a.splitPosition.hasSameParentAs( b.position ) && a.splitPosition.offset < b.position.offset ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\ta.splitPosition = a.splitPosition._getTransformedByInsertOperation( b );\n\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\treturn [ a ];\n} );\n\nsetTransformation( SplitOperation, MergeOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// Split element got merged. If two different elements were merged, clients will have different content.\n\t//\n\t// Example. Merge at `{}`, split at `[]`:\n\t// <heading>Foo</heading>{}<paragraph>B[]ar</paragraph>\n\t//\n\t// On merge side it will look like this:\n\t// <heading>FooB[]ar</heading>\n\t// <heading>FooB</heading><heading>ar</heading>\n\t//\n\t// On split side it will look like this:\n\t// <heading>Foo</heading>{}<paragraph>B</paragraph><paragraph>ar</paragraph>\n\t// <heading>FooB</heading><paragraph>ar</paragraph>\n\t//\n\t// Clearly, the second element is different for both clients.\n\t//\n\t// We could use the removed merge element from graveyard as a split element but then clients would have a different\n\t// model state (in graveyard), because the split side client would still have an element in graveyard (removed by merge).\n\t//\n\t// To overcome this, in `SplitOperation` x `MergeOperation` transformation we will add additional `SplitOperation`\n\t// in the graveyard, which will actually clone the merged-and-deleted element. Then, that cloned element will be\n\t// used for splitting. Example below.\n\t//\n\t// Original state:\n\t// <heading>Foo</heading>{}<paragraph>B[]ar</paragraph>\n\t//\n\t// Merge side client:\n\t//\n\t// After merge:\n\t// <heading>FooB[]ar</heading>                                 graveyard: <paragraph></paragraph>\n\t//\n\t// Extra split:\n\t// <heading>FooB[]ar</heading>                                 graveyard: <paragraph></paragraph><paragraph></paragraph>\n\t//\n\t// Use the \"cloned\" element from graveyard:\n\t// <heading>FooB</heading><paragraph>ar</paragraph>            graveyard: <paragraph></paragraph>\n\t//\n\t// Split side client:\n\t//\n\t// After split:\n\t// <heading>Foo</heading>{}<paragraph>B</paragraph><paragraph>ar</paragraph>\n\t//\n\t// After merge:\n\t// <heading>FooB</heading><paragraph>ar</paragraph>            graveyard: <paragraph></paragraph>\n\t//\n\t// This special case scenario only applies if the original split operation clones the split element.\n\t// If the original split operation has `graveyardPosition` set, it all doesn't have sense because split operation\n\t// knows exactly which element it should use. So there would be no original problem with different contents.\n\t//\n\t// Additionally, the special case applies only if the merge wasn't already undone.\n\t//\n\tif ( !a.graveyardPosition && !context.bWasUndone && a.splitPosition.hasSameParentAs( b.sourcePosition ) ) {\n\t\tconst splitPath = b.graveyardPosition.path.slice();\n\t\tsplitPath.push( 0 );\n\n\t\tconst splitPosition = new Position( b.graveyardPosition.root, splitPath );\n\t\tconst insertionPosition = SplitOperation.getInsertionPosition( new Position( b.graveyardPosition.root, splitPath ) );\n\n\t\tconst additionalSplit = new SplitOperation( splitPosition, 0, null, 0 );\n\t\tadditionalSplit.insertionPosition = insertionPosition;\n\n\t\ta.splitPosition = a.splitPosition._getTransformedByMergeOperation( b );\n\t\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\t\ta.graveyardPosition = additionalSplit.insertionPosition.clone();\n\t\ta.graveyardPosition.stickiness = 'toNext';\n\n\t\treturn [ additionalSplit, a ];\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.splitPosition.hasSameParentAs( b.deletionPosition ) && !a.splitPosition.isAfter( b.deletionPosition ) ) {\n\t\ta.howMany--;\n\t}\n\n\tif ( a.splitPosition.hasSameParentAs( b.targetPosition ) ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\ta.splitPosition = a.splitPosition._getTransformedByMergeOperation( b );\n\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\tif ( a.graveyardPosition ) {\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByMergeOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( SplitOperation, MoveOperation, ( a, b, context ) => {\n\tconst rangeToMove = Range._createFromPositionAndShift( b.sourcePosition, b.howMany );\n\n\tif ( a.graveyardPosition ) {\n\t\t// Case 1:\n\t\t//\n\t\t// Split operation graveyard node was moved. In this case move operation is stronger. Since graveyard element\n\t\t// is already moved to the correct position, we need to only move the nodes after the split position.\n\t\t// This will be done by `MoveOperation` instead of `SplitOperation`.\n\t\t//\n\t\tconst gyElementMoved = rangeToMove.start.isEqual( a.graveyardPosition ) || rangeToMove.containsPosition( a.graveyardPosition );\n\n\t\tif ( !context.bWasUndone && gyElementMoved ) {\n\t\t\tconst sourcePosition = a.splitPosition._getTransformedByMoveOperation( b );\n\n\t\t\tconst newParentPosition = a.graveyardPosition._getTransformedByMoveOperation( b );\n\t\t\tconst newTargetPath = newParentPosition.path.slice();\n\t\t\tnewTargetPath.push( 0 );\n\n\t\t\tconst newTargetPosition = new Position( newParentPosition.root, newTargetPath );\n\t\t\tconst moveOp = new MoveOperation( sourcePosition, a.howMany, newTargetPosition, 0 );\n\n\t\t\treturn [ moveOp ];\n\t\t}\n\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByMoveOperation( b );\n\t}\n\n\t// Case 2:\n\t//\n\t// If the split position is inside the moved range, we need to shift the split position to a proper place.\n\t// The position cannot be moved together with moved range because that would result in splitting of an incorrect element.\n\t//\n\t// Characters `bc` should be moved to the second paragraph while split position is between them:\n\t// <paragraph>A[b|c]d</paragraph><paragraph>Xyz</paragraph>\n\t//\n\t// After move, new split position is incorrect:\n\t// <paragraph>Ad</paragraph><paragraph>Xb|cyz</paragraph>\n\t//\n\t// Correct split position:\n\t// <paragraph>A|d</paragraph><paragraph>Xbcyz</paragraph>\n\t//\n\t// After split:\n\t// <paragraph>A</paragraph><paragraph>d</paragraph><paragraph>Xbcyz</paragraph>\n\t//\n\tif ( a.splitPosition.hasSameParentAs( b.sourcePosition ) && rangeToMove.containsPosition( a.splitPosition ) ) {\n\t\tconst howManyRemoved = b.howMany - ( a.splitPosition.offset - b.sourcePosition.offset );\n\t\ta.howMany -= howManyRemoved;\n\n\t\tif ( a.splitPosition.hasSameParentAs( b.targetPosition ) && a.splitPosition.offset < b.targetPosition.offset ) {\n\t\t\ta.howMany += b.howMany;\n\t\t}\n\n\t\ta.splitPosition = b.sourcePosition.clone();\n\t\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\t\treturn [ a ];\n\t}\n\n\t// Case 3:\n\t//\n\t// Split is at a position where nodes were moved.\n\t//\n\t// This is a scenario described in `MoveOperation` x `SplitOperation` transformation but from the\n\t// \"split operation point of view\".\n\t//\n\tconst splitAtTarget = a.splitPosition.isEqual( b.targetPosition );\n\n\tif ( splitAtTarget && ( context.baRelation == 'insertAtSource' || context.abRelation == 'splitBefore' ) ) {\n\t\ta.howMany += b.howMany;\n\t\ta.splitPosition = a.splitPosition._getTransformedByDeletion( b.sourcePosition, b.howMany );\n\t\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\t\treturn [ a ];\n\t}\n\n\t// The default case.\n\t// Don't change `howMany` if move operation does not really move anything.\n\t//\n\tif ( !b.sourcePosition.isEqual( b.targetPosition ) ) {\n\t\tif ( a.splitPosition.hasSameParentAs( b.sourcePosition ) && a.splitPosition.offset <= b.sourcePosition.offset ) {\n\t\t\ta.howMany -= b.howMany;\n\t\t}\n\n\t\tif ( a.splitPosition.hasSameParentAs( b.targetPosition ) && a.splitPosition.offset < b.targetPosition.offset ) {\n\t\t\ta.howMany += b.howMany;\n\t\t}\n\t}\n\n\t// Change position stickiness to force a correct transformation.\n\ta.splitPosition.stickiness = 'toNone';\n\ta.splitPosition = a.splitPosition._getTransformedByMoveOperation( b );\n\ta.splitPosition.stickiness = 'toNext';\n\n\tif ( a.graveyardPosition ) {\n\t\ta.insertionPosition = a.insertionPosition._getTransformedByMoveOperation( b );\n\t} else {\n\t\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( SplitOperation, SplitOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// Split at the same position.\n\t//\n\t// If there already was a split at the same position as in `a` operation, it means that the intention\n\t// conveyed by `a` operation has already been fulfilled and `a` should not do anything (to avoid double split).\n\t//\n\t// However, there is a difference if these are new splits or splits created by undo. These have different\n\t// intentions. Also splits moving back different elements from graveyard have different intentions. They\n\t// are just different operations.\n\t//\n\t// So we cancel split operation only if it was really identical.\n\t//\n\t// Also, there is additional case, where split operations aren't identical and should not be cancelled, however the\n\t// default transformation is incorrect too.\n\t//\n\tif ( a.splitPosition.isEqual( b.splitPosition ) ) {\n\t\tif ( !a.graveyardPosition && !b.graveyardPosition ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\n\t\tif ( a.graveyardPosition && b.graveyardPosition && a.graveyardPosition.isEqual( b.graveyardPosition ) ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\n\t\t// Use context to know that the `a.splitPosition` should stay where it is.\n\t\t// This happens during undo when first a merge operation moved nodes to `a.splitPosition` and now `b` operation undoes that merge.\n\t\tif ( context.abRelation == 'splitBefore' ) {\n\t\t\t// Since split is at the same position, there are no nodes left to split.\n\t\t\ta.howMany = 0;\n\n\t\t\t// Note: there was `if ( a.graveyardPosition )` here but it was uncovered in tests and I couldn't find any scenarios for now.\n\t\t\t// That would have to be a `SplitOperation` that didn't come from undo but is transformed by operations that were undone.\n\t\t\t// It could happen if `context` is enabled in collaboration.\n\t\t\ta.graveyardPosition = a.graveyardPosition._getTransformedBySplitOperation( b );\n\n\t\t\treturn [ a ];\n\t\t}\n\t}\n\n\t// Case 2:\n\t//\n\t// Same node is using to split different elements. This happens in undo when previously same element was merged to\n\t// two different elements. This is described in `MergeOperation` x `MergeOperation` transformation.\n\t//\n\t// In this case we will follow the same logic. We will assume that `insertionPosition` is same for both\n\t// split operations. This might not always be true but in the real cases that were experienced it was. After all,\n\t// if these splits are reverses of merge operations that were merging the same element, then the `insertionPosition`\n\t// should be same for both of those splits.\n\t//\n\t// Again, we will decide which operation is stronger by checking if split happens in graveyard or in non-graveyard root.\n\t//\n\tif ( a.graveyardPosition && b.graveyardPosition && a.graveyardPosition.isEqual( b.graveyardPosition ) ) {\n\t\tconst aInGraveyard = a.splitPosition.root.rootName == '$graveyard';\n\t\tconst bInGraveyard = b.splitPosition.root.rootName == '$graveyard';\n\n\t\t// If `aIsWeak` it means that `a` points to graveyard while `b` doesn't. Don't move nodes then.\n\t\tconst aIsWeak = aInGraveyard && !bInGraveyard;\n\n\t\t// If `bIsWeak` it means that `b` points to graveyard while `a` doesn't. Force moving nodes then.\n\t\tconst bIsWeak = bInGraveyard && !aInGraveyard;\n\n\t\t// Force move if `b` is weak or neither operation is weak but `a` is stronger through `context.aIsStrong`.\n\t\tconst forceMove = bIsWeak || ( !aIsWeak && context.aIsStrong );\n\n\t\tif ( forceMove ) {\n\t\t\tconst result = [];\n\n\t\t\t// First we need to move any nodes split by `b` back to where they were.\n\t\t\t// Do it only if `b` actually moved something.\n\t\t\tif ( b.howMany ) {\n\t\t\t\tresult.push( new MoveOperation( b.moveTargetPosition, b.howMany, b.splitPosition, 0 ) );\n\t\t\t}\n\n\t\t\t// Then we need to move nodes from `a` split position to their new element.\n\t\t\t// Do it only if `a` actually should move something.\n\t\t\tif ( a.howMany ) {\n\t\t\t\tresult.push( new MoveOperation( a.splitPosition, a.howMany, a.moveTargetPosition, 0 ) );\n\t\t\t}\n\n\t\t\treturn result;\n\t\t} else {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\tif ( a.graveyardPosition ) {\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedBySplitOperation( b );\n\t}\n\n\t// Case 3:\n\t//\n\t// Position where operation `b` inserted a new node after split is the same as the operation `a` split position.\n\t// As in similar cases, there is ambiguity if the split should be before the new node (created by `b`) or after.\n\t//\n\tif ( a.splitPosition.isEqual( b.insertionPosition ) && context.abRelation == 'splitBefore' ) {\n\t\ta.howMany++;\n\n\t\treturn [ a ];\n\t}\n\n\t// Case 4:\n\t//\n\t// This is a mirror to the case 2. above.\n\t//\n\tif ( b.splitPosition.isEqual( a.insertionPosition ) && context.baRelation == 'splitBefore' ) {\n\t\tconst newPositionPath = b.insertionPosition.path.slice();\n\t\tnewPositionPath.push( 0 );\n\n\t\tconst newPosition = new Position( b.insertionPosition.root, newPositionPath );\n\t\tconst moveOp = new MoveOperation( a.insertionPosition, 1, newPosition, 0 );\n\n\t\treturn [ a, moveOp ];\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.splitPosition.hasSameParentAs( b.splitPosition ) && a.splitPosition.offset < b.splitPosition.offset ) {\n\t\ta.howMany -= b.howMany;\n\t}\n\n\ta.splitPosition = a.splitPosition._getTransformedBySplitOperation( b );\n\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\treturn [ a ];\n} );\n\n// Checks whether `MoveOperation` `targetPosition` is inside a node from the moved range of the other `MoveOperation`.\n//\n// @private\n// @param {module:engine/model/operation/moveoperation~MoveOperation} a\n// @param {module:engine/model/operation/moveoperation~MoveOperation} b\n// @returns {Boolean}\nfunction _moveTargetIntoMovedRange( a, b ) {\n\treturn a.targetPosition._getTransformedByDeletion( b.sourcePosition, b.howMany ) === null;\n}\n\n// Helper function for `MoveOperation` x `MoveOperation` transformation. Converts given ranges and target position to\n// move operations and returns them.\n//\n// Ranges and target position will be transformed on-the-fly when generating operations.\n//\n// Given `ranges` should be in the order of how they were in the original transformed operation.\n//\n// Given `targetPosition` is the target position of the first range from `ranges`.\n//\n// @private\n// @param {Array.<module:engine/model/range~Range>} ranges\n// @param {module:engine/model/position~Position} targetPosition\n// @returns {Array.<module:engine/model/operation/moveoperation~MoveOperation>}\nfunction _makeMoveOperationsFromRanges( ranges, targetPosition ) {\n\t// At this moment we have some ranges and a target position, to which those ranges should be moved.\n\t// Order in `ranges` array is the go-to order of after transformation.\n\t//\n\t// We are almost done. We have `ranges` and `targetPosition` to make operations from.\n\t// Unfortunately, those operations may affect each other. Precisely, first operation after move\n\t// may affect source range and target position of second and third operation. Same with second\n\t// operation affecting third.\n\t//\n\t// We need to fix those source ranges and target positions once again, before converting `ranges` to operations.\n\tconst operations = [];\n\n\t// Keep in mind that nothing will be transformed if there is just one range in `ranges`.\n\tfor ( let i = 0; i < ranges.length; i++ ) {\n\t\t// Create new operation out of a range and target position.\n\t\tconst range = ranges[ i ];\n\t\tconst op = new MoveOperation(\n\t\t\trange.start,\n\t\t\trange.end.offset - range.start.offset,\n\t\t\ttargetPosition,\n\t\t\t0\n\t\t);\n\n\t\toperations.push( op );\n\n\t\t// Transform other ranges by the generated operation.\n\t\tfor ( let j = i + 1; j < ranges.length; j++ ) {\n\t\t\t// All ranges in `ranges` array should be:\n\t\t\t//\n\t\t\t// * non-intersecting (these are part of original operation source range), and\n\t\t\t// * `targetPosition` does not target into them (opposite would mean that transformed operation targets \"inside itself\").\n\t\t\t//\n\t\t\t// This means that the transformation will be \"clean\" and always return one result.\n\t\t\tranges[ j ] = ranges[ j ]._getTransformedByMove( op.sourcePosition, op.targetPosition, op.howMany )[ 0 ];\n\t\t}\n\n\t\ttargetPosition = targetPosition._getTransformedByMove( op.sourcePosition, op.targetPosition, op.howMany );\n\t}\n\n\treturn operations;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/basecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { transformSets } from '@ckeditor/ckeditor5-engine/src/model/operation/transform';\n\n/**\n * Base class for undo feature commands: {@link module:undo/undocommand~UndoCommand} and {@link module:undo/redocommand~RedoCommand}.\n *\n * @protected\n * @extends module:core/command~Command\n */\nexport default class BaseCommand extends Command {\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * Stack of items stored by the command. These are pairs of:\n\t\t *\n\t\t * * {@link module:engine/model/batch~Batch batch} saved by the command,\n\t\t * * {@link module:engine/model/selection~Selection selection} state at the moment of saving the batch.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array} #_stack\n\t\t */\n\t\tthis._stack = [];\n\n\t\t/**\n\t\t * Stores all batches that were created by this command.\n\t\t *\n\t\t * @protected\n\t\t * @member {WeakSet.<module:engine/model/batch~Batch>} #_createdBatches\n\t\t */\n\t\tthis._createdBatches = new WeakSet();\n\n\t\t// Refresh state, so the command is inactive right after initialization.\n\t\tthis.refresh();\n\n\t\tthis.listenTo( editor.data, 'set', () => this.clearStack() );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = this._stack.length > 0;\n\t}\n\n\t/**\n\t * Stores a batch in the command, together with the selection state of the {@link module:engine/model/document~Document document}\n\t * created by the editor which this command is registered to.\n\t *\n\t * @param {module:engine/model/batch~Batch} batch The batch to add.\n\t */\n\taddBatch( batch ) {\n\t\tconst docSelection = this.editor.model.document.selection;\n\n\t\tconst selection = {\n\t\t\tranges: docSelection.hasOwnRange ? Array.from( docSelection.getRanges() ) : [],\n\t\t\tisBackward: docSelection.isBackward\n\t\t};\n\n\t\tthis._stack.push( { batch, selection } );\n\t\tthis.refresh();\n\t}\n\n\t/**\n\t * Removes all items from the stack.\n\t */\n\tclearStack() {\n\t\tthis._stack = [];\n\t\tthis.refresh();\n\t}\n\n\t/**\n\t * Restores the {@link module:engine/model/document~Document#selection document selection} state after a batch was undone.\n\t *\n\t * @protected\n\t * @param {Array.<module:engine/model/range~Range>} ranges Ranges to be restored.\n\t * @param {Boolean} isBackward A flag describing whether the restored range was selected forward or backward.\n\t * @param {Array.<module:engine/model/operation/operation~Operation>} operations Operations which has been applied\n\t * since selection has been stored.\n\t */\n\t_restoreSelection( ranges, isBackward, operations ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\n\t\t// This will keep the transformed selection ranges.\n\t\tconst selectionRanges = [];\n\n\t\t// Transform all ranges from the restored selection.\n\t\tconst transformedRangeGroups = ranges.map( range => range.getTransformedByOperations( operations ) );\n\t\tconst allRanges = transformedRangeGroups.flat();\n\n\t\tfor ( const rangeGroup of transformedRangeGroups ) {\n\t\t\t// While transforming there could appear ranges that are contained by other ranges, we shall ignore them.\n\t\t\tconst transformed = rangeGroup\n\t\t\t\t.filter( range => range.root != document.graveyard )\n\t\t\t\t.filter( range => !isRangeContainedByAnyOtherRange( range, allRanges ) );\n\n\t\t\t// All the transformed ranges ended up in graveyard.\n\t\t\tif ( !transformed.length ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// After the range got transformed, we have an array of ranges. Some of those\n\t\t\t// ranges may be \"touching\" -- they can be next to each other and could be merged.\n\t\t\tnormalizeRanges( transformed );\n\n\t\t\t// For each `range` from `ranges`, we take only one transformed range.\n\t\t\t// This is because we want to prevent situation where single-range selection\n\t\t\t// got transformed to multi-range selection.\n\t\t\tselectionRanges.push( transformed[ 0 ] );\n\t\t}\n\n\t\t// @if CK_DEBUG_ENGINE // console.log( `Restored selection by undo: ${ selectionRanges.join( ', ' ) }` );\n\n\t\t// `selectionRanges` may be empty if all ranges ended up in graveyard. If that is the case, do not restore selection.\n\t\tif ( selectionRanges.length ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( selectionRanges, { backward: isBackward } );\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Undoes a batch by reversing that batch, transforming reversed batch and finally applying it.\n\t * This is a helper method for {@link #execute}.\n\t *\n\t * @protected\n\t * @param {module:engine/model/batch~Batch} batchToUndo The batch to be undone.\n\t * @param {module:engine/model/batch~Batch} undoingBatch The batch that will contain undoing changes.\n\t */\n\t_undo( batchToUndo, undoingBatch ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\n\t\t// All changes done by the command execution will be saved as one batch.\n\t\tthis._createdBatches.add( undoingBatch );\n\n\t\tconst operationsToUndo = batchToUndo.operations.slice().filter( operation => operation.isDocumentOperation );\n\t\toperationsToUndo.reverse();\n\n\t\t// We will process each operation from `batchToUndo`, in reverse order. If there were operations A, B and C in undone batch,\n\t\t// we need to revert them in reverse order, so first C' (reversed C), then B', then A'.\n\t\tfor ( const operationToUndo of operationsToUndo ) {\n\t\t\tconst nextBaseVersion = operationToUndo.baseVersion + 1;\n\t\t\tconst historyOperations = Array.from( document.history.getOperations( nextBaseVersion ) );\n\n\t\t\tconst transformedSets = transformSets(\n\t\t\t\t[ operationToUndo.getReversed() ],\n\t\t\t\thistoryOperations,\n\t\t\t\t{\n\t\t\t\t\tuseRelations: true,\n\t\t\t\t\tdocument: this.editor.model.document,\n\t\t\t\t\tpadWithNoOps: false,\n\t\t\t\t\tforceWeakRemove: true\n\t\t\t\t}\n\t\t\t);\n\n\t\t\tconst reversedOperations = transformedSets.operationsA;\n\n\t\t\t// After reversed operation has been transformed by all history operations, apply it.\n\t\t\tfor ( const operation of reversedOperations ) {\n\t\t\t\t// Before applying, add the operation to the `undoingBatch`.\n\t\t\t\tundoingBatch.addOperation( operation );\n\t\t\t\tmodel.applyOperation( operation );\n\n\t\t\t\tdocument.history.setOperationAsUndone( operationToUndo, operation );\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Normalizes list of ranges by joining intersecting or \"touching\" ranges.\n//\n// @param {Array.<module:engine/model/range~Range>} ranges\n//\nfunction normalizeRanges( ranges ) {\n\tranges.sort( ( a, b ) => a.start.isBefore( b.start ) ? -1 : 1 );\n\n\tfor ( let i = 1; i < ranges.length; i++ ) {\n\t\tconst previousRange = ranges[ i - 1 ];\n\t\tconst joinedRange = previousRange.getJoined( ranges[ i ], true );\n\n\t\tif ( joinedRange ) {\n\t\t\t// Replace the ranges on the list with the new joined range.\n\t\t\ti--;\n\t\t\tranges.splice( i, 2, joinedRange );\n\t\t}\n\t}\n}\n\nfunction isRangeContainedByAnyOtherRange( range, ranges ) {\n\treturn ranges.some( otherRange => otherRange !== range && otherRange.containsRange( range, true ) );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/undocommand\n */\n\nimport BaseCommand from './basecommand';\n\n/**\n * The undo command stores {@link module:engine/model/batch~Batch batches} applied to the\n * {@link module:engine/model/document~Document document} and is able to undo a batch by reversing it and transforming by\n * batches from {@link module:engine/model/document~Document#history history} that happened after the reversed batch.\n *\n * The undo command also takes care of restoring the {@link module:engine/model/document~Document#selection document selection}.\n *\n * @extends module:undo/basecommand~BaseCommand\n */\nexport default class UndoCommand extends BaseCommand {\n\t/**\n\t * Executes the command. This method reverts a {@link module:engine/model/batch~Batch batch} added to the command's stack, transforms\n\t * and applies the reverted version on the {@link module:engine/model/document~Document document} and removes the batch from the stack.\n\t * Then, it restores the {@link module:engine/model/document~Document#selection document selection}.\n\t *\n\t * @fires execute\n\t * @fires revert\n\t * @param {module:engine/model/batch~Batch} [batch] A batch that should be undone. If not set, the last added batch will be undone.\n\t */\n\texecute( batch = null ) {\n\t\t// If batch is not given, set `batchIndex` to the last index in command stack.\n\t\tconst batchIndex = batch ? this._stack.findIndex( a => a.batch == batch ) : this._stack.length - 1;\n\n\t\tconst item = this._stack.splice( batchIndex, 1 )[ 0 ];\n\t\tconst undoingBatch = this.editor.model.createBatch( 'transparent' );\n\n\t\t// All changes has to be done in one `enqueueChange` callback so other listeners will not\n\t\t// step between consecutive operations, or won't do changes to the document before selection is properly restored.\n\t\tthis.editor.model.enqueueChange( undoingBatch, () => {\n\t\t\tthis._undo( item.batch, undoingBatch );\n\n\t\t\tconst operations = this.editor.model.document.history.getOperations( item.batch.baseVersion );\n\t\t\tthis._restoreSelection( item.selection.ranges, item.selection.isBackward, operations );\n\n\t\t\tthis.fire( 'revert', item.batch, undoingBatch );\n\t\t} );\n\n\t\tthis.refresh();\n\t}\n}\n\n/**\n * Fired when execution of the command reverts some batch.\n *\n * @event revert\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/redocommand\n */\n\nimport BaseCommand from './basecommand';\n\n/**\n * The redo command stores {@link module:engine/model/batch~Batch batches} that were used to undo a batch by\n * {@link module:undo/undocommand~UndoCommand}. It is able to redo a previously undone batch by reversing the undoing\n * batches created by `UndoCommand`. The reversed batch is transformed by all the batches from\n * {@link module:engine/model/document~Document#history history} that happened after the reversed undo batch.\n *\n * The redo command also takes care of restoring the {@link module:engine/model/document~Document#selection document selection}.\n *\n * @extends module:undo/basecommand~BaseCommand\n */\nexport default class RedoCommand extends BaseCommand {\n\t/**\n\t * Executes the command. This method reverts the last {@link module:engine/model/batch~Batch batch} added to\n\t * the command's stack, applies the reverted and transformed version on the\n\t * {@link module:engine/model/document~Document document} and removes the batch from the stack.\n\t * Then, it restores the {@link module:engine/model/document~Document#selection document selection}.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst item = this._stack.pop();\n\t\tconst redoingBatch = this.editor.model.createBatch( 'transparent' );\n\n\t\t// All changes have to be done in one `enqueueChange` callback so other listeners will not step between consecutive\n\t\t// operations, or won't do changes to the document before selection is properly restored.\n\t\tthis.editor.model.enqueueChange( redoingBatch, () => {\n\t\t\tconst lastOperation = item.batch.operations[ item.batch.operations.length - 1 ];\n\t\t\tconst nextBaseVersion = lastOperation.baseVersion + 1;\n\t\t\tconst operations = this.editor.model.document.history.getOperations( nextBaseVersion );\n\n\t\t\tthis._restoreSelection( item.selection.ranges, item.selection.isBackward, operations );\n\t\t\tthis._undo( item.batch, redoingBatch );\n\t\t} );\n\n\t\tthis.refresh();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/undoediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport UndoCommand from './undocommand';\nimport RedoCommand from './redocommand';\n\n/**\n * The undo engine feature.\n *\n * It introduces the `'undo'` and `'redo'` commands to the editor.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class UndoEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'UndoEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The command that manages undo {@link module:engine/model/batch~Batch batches} stack (history).\n\t\t * Created and registered during the {@link #init feature initialization}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:undo/undocommand~UndoCommand} #_undoCommand\n\t\t */\n\n\t\t/**\n\t\t * The command that manages redo {@link module:engine/model/batch~Batch batches} stack (history).\n\t\t * Created and registered during the {@link #init feature initialization}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:undo/undocommand~UndoCommand} #_redoCommand\n\t\t */\n\n\t\t/**\n\t\t * Keeps track of which batches were registered in undo.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakSet.<module:engine/model/batch~Batch>}\n\t\t */\n\t\tthis._batchRegistry = new WeakSet();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Create commands.\n\t\tthis._undoCommand = new UndoCommand( editor );\n\t\tthis._redoCommand = new RedoCommand( editor );\n\n\t\t// Register command to the editor.\n\t\teditor.commands.add( 'undo', this._undoCommand );\n\t\teditor.commands.add( 'redo', this._redoCommand );\n\n\t\tthis.listenTo( editor.model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\t// Do not register batch if the operation is not a document operation.\n\t\t\t// This prevents from creating empty undo steps, where all operations where non-document operations.\n\t\t\t// Non-document operations creates and alters content in detached tree fragments (for example, document fragments).\n\t\t\t// Most of time this is preparing data before it is inserted into actual tree (for example during copy & paste).\n\t\t\t// Such operations should not be reversed.\n\t\t\tif ( !operation.isDocumentOperation ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst batch = operation.batch;\n\n\t\t\tconst isRedoBatch = this._redoCommand._createdBatches.has( batch );\n\t\t\tconst isUndoBatch = this._undoCommand._createdBatches.has( batch );\n\t\t\tconst isRegisteredBatch = this._batchRegistry.has( batch );\n\n\t\t\t// If changes are not a part of a batch or this is not a new batch, omit those changes.\n\t\t\tif ( isRegisteredBatch || ( batch.type == 'transparent' && !isRedoBatch && !isUndoBatch ) ) {\n\t\t\t\treturn;\n\t\t\t} else {\n\t\t\t\tif ( isRedoBatch ) {\n\t\t\t\t\t// If this batch comes from `redoCommand`, add it to `undoCommand` stack.\n\t\t\t\t\tthis._undoCommand.addBatch( batch );\n\t\t\t\t} else if ( !isUndoBatch ) {\n\t\t\t\t\t// A default batch - these are new changes in the document, not introduced by undo feature.\n\t\t\t\t\t// Add them to `undoCommand` stack and clear `redoCommand` stack.\n\t\t\t\t\tthis._undoCommand.addBatch( batch );\n\t\t\t\t\tthis._redoCommand.clearStack();\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Add the batch to the registry so it will not be processed again.\n\t\t\tthis._batchRegistry.add( batch );\n\t\t}, { priority: 'highest' } );\n\n\t\tthis.listenTo( this._undoCommand, 'revert', ( evt, undoneBatch, undoingBatch ) => {\n\t\t\tthis._redoCommand.addBatch( undoingBatch );\n\t\t} );\n\n\t\teditor.keystrokes.set( 'CTRL+Z', 'undo' );\n\t\teditor.keystrokes.set( 'CTRL+Y', 'redo' );\n\t\teditor.keystrokes.set( 'CTRL+SHIFT+Z', 'redo' );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M5.042 9.367l2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M14.958 9.367l-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/undoui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport undoIcon from '../theme/icons/undo.svg';\nimport redoIcon from '../theme/icons/redo.svg';\n\n/**\n * The undo UI feature. It introduces the `'undo'` and `'redo'` buttons to the editor.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class UndoUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst locale = editor.locale;\n\t\tconst t = editor.t;\n\n\t\tconst localizedUndoIcon = locale.uiLanguageDirection == 'ltr' ? undoIcon : redoIcon;\n\t\tconst localizedRedoIcon = locale.uiLanguageDirection == 'ltr' ? redoIcon : undoIcon;\n\n\t\tthis._addButton( 'undo', t( 'Undo' ), 'CTRL+Z', localizedUndoIcon );\n\t\tthis._addButton( 'redo', t( 'Redo' ), 'CTRL+Y', localizedRedoIcon );\n\t}\n\n\t/**\n\t * Creates a button for the specified command.\n\t *\n\t * @private\n\t * @param {String} name Command name.\n\t * @param {String} label Button label.\n\t * @param {String} keystroke Command keystroke.\n\t * @param {String} Icon Source of the icon.\n\t */\n\t_addButton( name, label, keystroke, Icon ) {\n\t\tconst editor = this.editor;\n\n\t\teditor.ui.componentFactory.add( name, locale => {\n\t\t\tconst command = editor.commands.get( name );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel,\n\t\t\t\ticon: Icon,\n\t\t\t\tkeystroke,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isEnabled' ).to( command, 'isEnabled' );\n\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( name );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/undo\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport UndoEditing from './undoediting';\nimport UndoUI from './undoui';\n\n/**\n * The undo feature.\n *\n * This is a \"glue\" plugin which loads the {@link module:undo/undoediting~UndoEditing undo editing feature}\n * and {@link module:undo/undoui~UndoUI undo UI feature}.\n *\n * Below is the explanation of the undo mechanism working together with {@link module:engine/model/history~History History}:\n *\n * Whenever a {@link module:engine/model/operation/operation~Operation operation} is applied to the\n * {@link module:engine/model/document~Document document}, it is saved to `History` as is.\n * The {@link module:engine/model/batch~Batch batch} that owns that operation is also saved, in\n * {@link module:undo/undocommand~UndoCommand}, together with the selection that was present in the document before the\n * operation was applied. A batch is saved instead of the operation because changes are undone batch-by-batch, not operation-by-operation\n * and a batch is seen as one undo step.\n *\n * After some changes happen to the document, the `History` and `UndoCommand` stack can be represented as follows:\n *\n *\t\t    History                            Undo stack\n *\t\t==============             ==================================\n *\t\t[operation A1]                         [batch A]\n *\t\t[operation B1]                         [batch B]\n *\t\t[operation B2]                         [batch C]\n *\t\t[operation C1]\n *\t\t[operation C2]\n *\t\t[operation B3]\n *\t\t[operation C3]\n *\n * Where operations starting with the same letter are from same batch.\n *\n * Undoing a batch means that a set of operations which will reverse the effects of that batch needs to be generated.\n * For example, if a batch added several letters, undoing the batch should remove them. It is important to apply undoing\n * operations in the reversed order, so if a batch has operation `X`, `Y`, `Z`, reversed operations `Zr`, `Yr` and `Xr`\n * need to be applied. Otherwise reversed operation `Xr` would operate on a wrong document state, because operation `X`\n * does not know that operations `Y` and `Z` happened.\n *\n * After operations from an undone batch got {@link module:engine/model/operation/operation~Operation#getReversed reversed},\n * one needs to make sure if they are ready to be applied. In the scenario above, operation `C3` is the last operation and `C3r`\n * bases on up-to-date document state, so it can be applied to the document.\n *\n *\t\t     History                             Undo stack\n *\t\t=================             ==================================\n *\t\t[ operation A1  ]                      [  batch A  ]\n *\t\t[ operation B1  ]                      [  batch B  ]\n *\t\t[ operation B2  ]             [   processing undoing batch C   ]\n *\t\t[ operation C1  ]\n *\t\t[ operation C2  ]\n *\t\t[ operation B3  ]\n *\t\t[ operation C3  ]\n *\t\t[ operation C3r ]\n *\n * Next is operation `C2`, reversed to `C2r`. `C2r` bases on `C2`, so it bases on the wrong document state. It needs to be\n * transformed by operations from history that happened after it, so it \"knows\" about them. Let us assume that `C2' = C2r * B3 * C3 * C3r`,\n * where `*` means \"transformed by\". Rest of operations from that batch are processed in the same fashion.\n *\n *\t\t     History                             Undo stack                                      Redo stack\n *\t\t=================             ==================================             ==================================\n *\t\t[ operation A1  ]                      [  batch A  ]                                    [ batch Cr ]\n *\t\t[ operation B1  ]                      [  batch B  ]\n *\t\t[ operation B2  ]\n *\t\t[ operation C1  ]\n *\t\t[ operation C2  ]\n *\t\t[ operation B3  ]\n *\t\t[ operation C3  ]\n *\t\t[ operation C3r ]\n *\t\t[ operation C2' ]\n *\t\t[ operation C1' ]\n *\n * Selective undo works on the same basis, however, instead of undoing the last batch in the undo stack, any batch can be undone.\n * The same algorithm applies: operations from a batch (i.e. `A1`) are reversed and then transformed by operations stored in history.\n *\n * Redo also is very similar to undo. It has its own stack that is filled with undoing (reversed batches). Operations from\n * batch that is re-done are reversed-back, transformed in proper order and applied to the document.\n *\n *\t\t     History                             Undo stack                                      Redo stack\n *\t\t=================             ==================================             ==================================\n *\t\t[ operation A1  ]                      [  batch A  ]\n *\t\t[ operation B1  ]                      [  batch B  ]\n *\t\t[ operation B2  ]                      [ batch Crr ]\n *\t\t[ operation C1  ]\n *\t\t[ operation C2  ]\n *\t\t[ operation B3  ]\n *\t\t[ operation C3  ]\n *\t\t[ operation C3r ]\n *\t\t[ operation C2' ]\n *\t\t[ operation C1' ]\n *\t\t[ operation C1'r]\n *\t\t[ operation C2'r]\n *\t\t[ operation C3rr]\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Undo extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ UndoEditing, UndoUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Undo';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals window, document */\n\n/**\n * @module adapter-ckfinder/utils\n */\n\nconst TOKEN_COOKIE_NAME = 'ckCsrfToken';\nconst TOKEN_LENGTH = 40;\nconst tokenCharset = 'abcdefghijklmnopqrstuvwxyz0123456789';\n\n/**\n * Returns the CSRF token value. The value is a hash stored in `document.cookie`\n * under the `ckCsrfToken` key. The CSRF token can be used to secure the communication\n * between the web browser and the CKFinder server.\n *\n * @returns {String}\n */\nexport function getCsrfToken() {\n\tlet token = getCookie( TOKEN_COOKIE_NAME );\n\n\tif ( !token || token.length != TOKEN_LENGTH ) {\n\t\ttoken = generateToken( TOKEN_LENGTH );\n\t\tsetCookie( TOKEN_COOKIE_NAME, token );\n\t}\n\n\treturn token;\n}\n\n/**\n * Returns the value of the cookie with a given name or `null` if the cookie is not found.\n *\n * @param {String} name\n * @returns {String|null}\n */\nexport function getCookie( name ) {\n\tname = name.toLowerCase();\n\tconst parts = document.cookie.split( ';' );\n\n\tfor ( const part of parts ) {\n\t\tconst pair = part.split( '=' );\n\t\tconst key = decodeURIComponent( pair[ 0 ].trim().toLowerCase() );\n\n\t\tif ( key === name ) {\n\t\t\treturn decodeURIComponent( pair[ 1 ] );\n\t\t}\n\t}\n\n\treturn null;\n}\n\n/**\n * Sets the value of the cookie with a given name.\n *\n * @param {String} name\n * @param {String} value\n */\nexport function setCookie( name, value ) {\n\tdocument.cookie = encodeURIComponent( name ) + '=' + encodeURIComponent( value ) + ';path=/';\n}\n\n// Generates the CSRF token with the given length.\n//\n// @private\n// @param {Number} length\n// @returns {string}\nfunction generateToken( length ) {\n\tlet result = '';\n\tconst randValues = new Uint8Array( length );\n\n\twindow.crypto.getRandomValues( randValues );\n\n\tfor ( let j = 0; j < randValues.length; j++ ) {\n\t\tconst character = tokenCharset.charAt( randValues[ j ] % tokenCharset.length );\n\t\tresult += Math.random() > 0.5 ? character.toUpperCase() : character;\n\t}\n\n\treturn result;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals XMLHttpRequest, FormData */\n\n/**\n * @module adapter-ckfinder/uploadadapter\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport FileRepository from '@ckeditor/ckeditor5-upload/src/filerepository';\nimport { getCsrfToken } from './utils';\n\n/**\n * A plugin that enables file uploads in CKEditor 5 using the CKFinder server–side connector.\n *\n * See the {@glink features/image-upload/ckfinder \"CKFinder file manager integration\" guide} to learn how to configure\n * and use this feature as well as find out more about the full integration with the file manager\n * provided by the {@link module:ckfinder/ckfinder~CKFinder} plugin.\n *\n * Check out the {@glink features/image-upload/image-upload comprehensive \"Image upload overview\"} to learn about\n * other ways to upload images into CKEditor 5.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CKFinderUploadAdapter extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ FileRepository ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'CKFinderUploadAdapter';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst url = this.editor.config.get( 'ckfinder.uploadUrl' );\n\n\t\tif ( !url ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Register CKFinderAdapter\n\t\tthis.editor.plugins.get( FileRepository ).createUploadAdapter = loader => new UploadAdapter( loader, url, this.editor.t );\n\t}\n}\n\n/**\n * Upload adapter for CKFinder.\n *\n * @private\n * @implements module:upload/filerepository~UploadAdapter\n */\nclass UploadAdapter {\n\t/**\n\t * Creates a new adapter instance.\n\t *\n\t * @param {module:upload/filerepository~FileLoader} loader\n\t * @param {String} url\n\t * @param {module:utils/locale~Locale#t} t\n\t */\n\tconstructor( loader, url, t ) {\n\t\t/**\n\t\t * FileLoader instance to use during the upload.\n\t\t *\n\t\t * @member {module:upload/filerepository~FileLoader} #loader\n\t\t */\n\t\tthis.loader = loader;\n\n\t\t/**\n\t\t * Upload URL.\n\t\t *\n\t\t * @member {String} #url\n\t\t */\n\t\tthis.url = url;\n\n\t\t/**\n\t\t * Locale translation method.\n\t\t *\n\t\t * @member {module:utils/locale~Locale#t} #t\n\t\t */\n\t\tthis.t = t;\n\t}\n\n\t/**\n\t * Starts the upload process.\n\t *\n\t * @see module:upload/filerepository~UploadAdapter#upload\n\t * @returns {Promise.<Object>}\n\t */\n\tupload() {\n\t\treturn this.loader.file.then( file => {\n\t\t\treturn new Promise( ( resolve, reject ) => {\n\t\t\t\tthis._initRequest();\n\t\t\t\tthis._initListeners( resolve, reject, file );\n\t\t\t\tthis._sendRequest( file );\n\t\t\t} );\n\t\t} );\n\t}\n\n\t/**\n\t * Aborts the upload process.\n\t *\n\t * @see module:upload/filerepository~UploadAdapter#abort\n\t */\n\tabort() {\n\t\tif ( this.xhr ) {\n\t\t\tthis.xhr.abort();\n\t\t}\n\t}\n\n\t/**\n\t * Initializes the XMLHttpRequest object.\n\t *\n\t * @private\n\t */\n\t_initRequest() {\n\t\tconst xhr = this.xhr = new XMLHttpRequest();\n\n\t\txhr.open( 'POST', this.url, true );\n\t\txhr.responseType = 'json';\n\t}\n\n\t/**\n\t * Initializes XMLHttpRequest listeners.\n\t *\n\t * @private\n\t * @param {Function} resolve Callback function to be called when the request is successful.\n\t * @param {Function} reject Callback function to be called when the request cannot be completed.\n\t * @param {File} file File instance to be uploaded.\n\t */\n\t_initListeners( resolve, reject, file ) {\n\t\tconst xhr = this.xhr;\n\t\tconst loader = this.loader;\n\t\tconst t = this.t;\n\t\tconst genericError = t( 'Cannot upload file:' ) + ` ${ file.name }.`;\n\n\t\txhr.addEventListener( 'error', () => reject( genericError ) );\n\t\txhr.addEventListener( 'abort', () => reject() );\n\t\txhr.addEventListener( 'load', () => {\n\t\t\tconst response = xhr.response;\n\n\t\t\tif ( !response || !response.uploaded ) {\n\t\t\t\treturn reject( response && response.error && response.error.message ? response.error.message : genericError );\n\t\t\t}\n\n\t\t\tresolve( {\n\t\t\t\tdefault: response.url\n\t\t\t} );\n\t\t} );\n\n\t\t// Upload progress when it's supported.\n\t\t/* istanbul ignore else */\n\t\tif ( xhr.upload ) {\n\t\t\txhr.upload.addEventListener( 'progress', evt => {\n\t\t\t\tif ( evt.lengthComputable ) {\n\t\t\t\t\tloader.uploadTotal = evt.total;\n\t\t\t\t\tloader.uploaded = evt.loaded;\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Prepares the data and sends the request.\n\t *\n\t * @private\n\t * @param {File} file File instance to be uploaded.\n\t */\n\t_sendRequest( file ) {\n\t\t// Prepare form data.\n\t\tconst data = new FormData();\n\t\tdata.append( 'upload', file );\n\t\tdata.append( 'ckCsrfToken', getCsrfToken() );\n\n\t\t// Send request.\n\t\tthis.xhr.send( data );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/first\n */\n\n/**\n * Returns first item of the given `iterable`.\n *\n * @param {Iterable.<*>} iterable\n * @returns {*}\n */\nexport default function first( iterable ) {\n\tconst iteratorItem = iterable.next();\n\n\tif ( iteratorItem.done ) {\n\t\treturn null;\n\t}\n\n\treturn iteratorItem.value;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport LiveRange from '@ckeditor/ckeditor5-engine/src/model/liverange';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\n/**\n * The block autoformatting engine. It allows to format various block patterns. For example,\n * it can be configured to turn a paragraph starting with `*` and followed by a space into a list item.\n *\n * The autoformatting operation is integrated with the undo manager,\n * so the autoformatting step can be undone if the user's intention was not to format the text.\n *\n * See the {@link module:autoformat/blockautoformatediting~blockAutoformatEditing `blockAutoformatEditing`} documentation\n * to learn how to create custom block autoformatters. You can also use\n * the {@link module:autoformat/autoformat~Autoformat} feature which enables a set of default autoformatters\n * (lists, headings, bold and italic).\n *\n * @module autoformat/blockautoformatediting\n */\n\n/**\n * Creates a listener triggered on {@link module:engine/model/document~Document#event:change:data `change:data`} event in the document.\n * Calls the callback when inserted text matches the regular expression or the command name\n * if provided instead of the callback.\n *\n * Examples of usage:\n *\n * To convert a paragraph to heading 1 when `- ` is typed, using just the command name:\n *\n *\t\tblockAutoformatEditing( editor, plugin, /^\\- $/, 'heading1' );\n *\n * To convert a paragraph to heading 1 when `- ` is typed, using just the callback:\n *\n *\t\tblockAutoformatEditing( editor, plugin, /^\\- $/, ( context ) => {\n *\t\t\tconst { match } = context;\n *\t\t\tconst headingLevel = match[ 1 ].length;\n *\n *\t\t\teditor.execute( 'heading', {\n *\t\t\t\tformatId: `heading${ headingLevel }`\n *\t\t\t} );\n * \t\t} );\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @param {module:autoformat/autoformat~Autoformat} plugin The autoformat plugin instance.\n * @param {RegExp} pattern The regular expression to execute on just inserted text. The regular expression is tested against the text\n * from the beginning until the caret position.\n * @param {Function|String} callbackOrCommand The callback to execute or the command to run when the text is matched.\n * In case of providing the callback, it receives the following parameter:\n * * {Object} match RegExp.exec() result of matching the pattern to inserted text.\n */\nexport default function blockAutoformatEditing( editor, plugin, pattern, callbackOrCommand ) {\n\tlet callback;\n\tlet command = null;\n\n\tif ( typeof callbackOrCommand == 'function' ) {\n\t\tcallback = callbackOrCommand;\n\t} else {\n\t\t// We assume that the actual command name was provided.\n\t\tcommand = editor.commands.get( callbackOrCommand );\n\n\t\tcallback = () => {\n\t\t\teditor.execute( callbackOrCommand );\n\t\t};\n\t}\n\n\teditor.model.document.on( 'change:data', ( evt, batch ) => {\n\t\tif ( command && !command.isEnabled || !plugin.isEnabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst range = first( editor.model.document.selection.getRanges() );\n\n\t\tif ( !range.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( batch.type == 'transparent' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst changes = Array.from( editor.model.document.differ.getChanges() );\n\t\tconst entry = changes[ 0 ];\n\n\t\t// Typing is represented by only a single change.\n\t\tif ( changes.length != 1 || entry.type !== 'insert' || entry.name != '$text' || entry.length != 1 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst blockToFormat = entry.position.parent;\n\n\t\t// Block formatting should be disabled in codeBlocks (#5800).\n\t\tif ( blockToFormat.is( 'element', 'codeBlock' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Only lists should be formatted inside the lists.\n\t\tif ( blockToFormat.is( 'element', 'listItem' ) &&\n\t\t\t![ 'numberedList', 'bulletedList', 'todoList' ].includes( callbackOrCommand )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\t// In case a command is bound, do not re-execute it over an existing block style which would result with a style removal.\n\t\t// Instead just drop processing so that autoformat trigger text is not lost. E.g. writing \"# \" in a level 1 heading.\n\t\tif ( command && command.value === true ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst firstNode = blockToFormat.getChild( 0 );\n\t\tconst firstNodeRange = editor.model.createRangeOn( firstNode );\n\n\t\t// Range is only expected to be within or at the very end of the first text node.\n\t\tif ( !firstNodeRange.containsRange( range ) && !range.end.isEqual( firstNodeRange.end ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst match = pattern.exec( firstNode.data.substr( 0, range.end.offset ) );\n\n\t\t// ...and this text node's data match the pattern.\n\t\tif ( !match ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Use enqueueChange to create new batch to separate typing batch from the auto-format changes.\n\t\teditor.model.enqueueChange( writer => {\n\t\t\t// Matched range.\n\t\t\tconst start = writer.createPositionAt( blockToFormat, 0 );\n\t\t\tconst end = writer.createPositionAt( blockToFormat, match[ 0 ].length );\n\t\t\tconst range = new LiveRange( start, end );\n\n\t\t\tconst wasChanged = callback( { match } );\n\n\t\t\t// Remove matched text.\n\t\t\tif ( wasChanged !== false ) {\n\t\t\t\twriter.remove( range );\n\n\t\t\t\tconst selectionRange = editor.model.document.selection.getFirstRange();\n\t\t\t\tconst blockRange = writer.createRangeIn( blockToFormat );\n\n\t\t\t\t// If the block is empty and the document selection has been moved when\n\t\t\t\t// applying formatting (e.g. is now in newly created block).\n\t\t\t\tif ( blockToFormat.isEmpty && !blockRange.isEqual( selectionRange ) && !blockRange.containsRange( selectionRange, true ) ) {\n\t\t\t\t\twriter.remove( blockToFormat );\n\t\t\t\t}\n\t\t\t}\n\t\t\trange.detach();\n\t\t} );\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * The inline autoformatting engine. It allows to format various inline patterns. For example,\n * it can be configured to make \"foo\" bold when typed `**foo**` (the `**` markers will be removed).\n *\n * The autoformatting operation is integrated with the undo manager,\n * so the autoformatting step can be undone if the user's intention was not to format the text.\n *\n * See the {@link module:autoformat/inlineautoformatediting~inlineAutoformatEditing `inlineAutoformatEditing`} documentation\n * to learn how to create custom inline autoformatters. You can also use\n * the {@link module:autoformat/autoformat~Autoformat} feature which enables a set of default autoformatters\n * (lists, headings, bold and italic).\n *\n * @module autoformat/inlineautoformatediting\n */\n\n/**\n * Enables autoformatting mechanism for a given {@link module:core/editor/editor~Editor}.\n *\n * It formats the matched text by applying the given model attribute or by running the provided formatting callback.\n * On every {@link module:engine/model/document~Document#event:change:data data change} in the model document\n * the autoformatting engine checks the text on the left of the selection\n * and executes the provided action if the text matches given criteria (regular expression or callback).\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @param {module:autoformat/autoformat~Autoformat} plugin The autoformat plugin instance.\n * @param {Function|RegExp} testRegexpOrCallback The regular expression or callback to execute on text.\n * Provided regular expression *must* have three capture groups. The first and the third capture group\n * should match opening and closing delimiters. The second capture group should match the text to format.\n *\n *\t\t// Matches the `**bold text**` pattern.\n *\t\t// There are three capturing groups:\n *\t\t// - The first to match the starting `**` delimiter.\n *\t\t// - The second to match the text to format.\n *\t\t// - The third to match the ending `**` delimiter.\n *\t\tinlineAutoformatEditing( editor, plugin, /(\\*\\*)([^\\*]+?)(\\*\\*)$/g, formatCallback );\n *\n * When a function is provided instead of the regular expression, it will be executed with the text to match as a parameter.\n * The function should return proper \"ranges\" to delete and format.\n *\n *\t\t{\n *\t\t\tremove: [\n *\t\t\t\t[ 0, 1 ],\t// Remove the first letter from the given text.\n *\t\t\t\t[ 5, 6 ]\t// Remove the 6th letter from the given text.\n *\t\t\t],\n *\t\t\tformat: [\n *\t\t\t\t[ 1, 5 ]\t// Format all letters from 2nd to 5th.\n *\t\t\t]\n *\t\t}\n *\n * @param {Function} formatCallback A callback to apply actual formatting.\n * It should return `false` if changes should not be applied (e.g. if a command is disabled).\n *\n *\t\tinlineAutoformatEditing( editor, plugin, /(\\*\\*)([^\\*]+?)(\\*\\*)$/g, ( writer, rangesToFormat ) => {\n *\t\t\tconst command = editor.commands.get( 'bold' );\n *\n *\t\t\tif ( !command.isEnabled ) {\n *\t\t\t\treturn false;\n *\t\t\t}\n *\n *\t\t\tconst validRanges = editor.model.schema.getValidRanges( rangesToFormat, 'bold' );\n *\n *\t\t\tfor ( let range of validRanges ) {\n *\t\t\t\twriter.setAttribute( 'bold', true, range );\n *\t\t\t}\n *\t\t} );\n */\nexport default function inlineAutoformatEditing( editor, plugin, testRegexpOrCallback, formatCallback ) {\n\tlet regExp;\n\tlet testCallback;\n\n\tif ( testRegexpOrCallback instanceof RegExp ) {\n\t\tregExp = testRegexpOrCallback;\n\t} else {\n\t\ttestCallback = testRegexpOrCallback;\n\t}\n\n\t// A test callback run on changed text.\n\ttestCallback = testCallback || ( text => {\n\t\tlet result;\n\t\tconst remove = [];\n\t\tconst format = [];\n\n\t\twhile ( ( result = regExp.exec( text ) ) !== null ) {\n\t\t\t// There should be full match and 3 capture groups.\n\t\t\tif ( result && result.length < 4 ) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tlet {\n\t\t\t\tindex,\n\t\t\t\t'1': leftDel,\n\t\t\t\t'2': content,\n\t\t\t\t'3': rightDel\n\t\t\t} = result;\n\n\t\t\t// Real matched string - there might be some non-capturing groups so we need to recalculate starting index.\n\t\t\tconst found = leftDel + content + rightDel;\n\t\t\tindex += result[ 0 ].length - found.length;\n\n\t\t\t// Start and End offsets of delimiters to remove.\n\t\t\tconst delStart = [\n\t\t\t\tindex,\n\t\t\t\tindex + leftDel.length\n\t\t\t];\n\t\t\tconst delEnd = [\n\t\t\t\tindex + leftDel.length + content.length,\n\t\t\t\tindex + leftDel.length + content.length + rightDel.length\n\t\t\t];\n\n\t\t\tremove.push( delStart );\n\t\t\tremove.push( delEnd );\n\n\t\t\tformat.push( [ index + leftDel.length, index + leftDel.length + content.length ] );\n\t\t}\n\n\t\treturn {\n\t\t\tremove,\n\t\t\tformat\n\t\t};\n\t} );\n\n\teditor.model.document.on( 'change:data', ( evt, batch ) => {\n\t\tif ( batch.type == 'transparent' || !plugin.isEnabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst model = editor.model;\n\t\tconst selection = model.document.selection;\n\n\t\t// Do nothing if selection is not collapsed.\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst changes = Array.from( model.document.differ.getChanges() );\n\t\tconst entry = changes[ 0 ];\n\n\t\t// Typing is represented by only a single change.\n\t\tif ( changes.length != 1 || entry.type !== 'insert' || entry.name != '$text' || entry.length != 1 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst focus = selection.focus;\n\t\tconst block = focus.parent;\n\t\tconst { text, range } = getTextAfterCode( model.createRange( model.createPositionAt( block, 0 ), focus ), model );\n\t\tconst testOutput = testCallback( text );\n\t\tconst rangesToFormat = testOutputToRanges( range.start, testOutput.format, model );\n\t\tconst rangesToRemove = testOutputToRanges( range.start, testOutput.remove, model );\n\n\t\tif ( !( rangesToFormat.length && rangesToRemove.length ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Use enqueueChange to create new batch to separate typing batch from the auto-format changes.\n\t\tmodel.enqueueChange( writer => {\n\t\t\t// Apply format.\n\t\t\tconst hasChanged = formatCallback( writer, rangesToFormat );\n\n\t\t\t// Strict check on `false` to have backward compatibility (when callbacks were returning `undefined`).\n\t\t\tif ( hasChanged === false ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Remove delimiters - use reversed order to not mix the offsets while removing.\n\t\t\tfor ( const range of rangesToRemove.reverse() ) {\n\t\t\t\twriter.remove( range );\n\t\t\t}\n\t\t} );\n\t} );\n}\n\n// Converts output of the test function provided to the inlineAutoformatEditing and converts it to the model ranges\n// inside provided block.\n//\n// @private\n// @param {module:engine/model/position~Position} start\n// @param {Array.<Array>} arrays\n// @param {module:engine/model/model~Model} model\nfunction testOutputToRanges( start, arrays, model ) {\n\treturn arrays\n\t\t.filter( array => ( array[ 0 ] !== undefined && array[ 1 ] !== undefined ) )\n\t\t.map( array => {\n\t\t\treturn model.createRange( start.getShiftedBy( array[ 0 ] ), start.getShiftedBy( array[ 1 ] ) );\n\t\t} );\n}\n\n// Returns the last text line after the last code element from the given range.\n// It is similar to {@link module:typing/utils/getlasttextline.getLastTextLine `getLastTextLine()`},\n// but it ignores any text before the last `code`.\n//\n// @param {module:engine/model/range~Range} range\n// @param {module:engine/model/model~Model} model\n// @returns {module:typing/utils/getlasttextline~LastTextLineData}\nfunction getTextAfterCode( range, model ) {\n\tlet start = range.start;\n\n\tconst text = Array.from( range.getItems() ).reduce( ( rangeText, node ) => {\n\t\t// Trim text to a last occurrence of an inline element and update range start.\n\t\tif ( !( node.is( '$text' ) || node.is( '$textProxy' ) ) || node.getAttribute( 'code' ) ) {\n\t\t\tstart = model.createPositionAfter( node );\n\n\t\t\treturn '';\n\t\t}\n\n\t\treturn rangeText + node.data;\n\t}, '' );\n\n\treturn { text, range: model.createRange( start, range.end ) };\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module autoformat/autoformat\n */\n\nimport blockAutoformatEditing from './blockautoformatediting';\nimport inlineAutoformatEditing from './inlineautoformatediting';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * Enables a set of predefined autoformatting actions.\n *\n * For a detailed overview, check the {@glink features/autoformat Autoformatting feature documentation}\n * and the {@glink api/autoformat package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Autoformat extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Autoformat';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tthis._addListAutoformats();\n\t\tthis._addBasicStylesAutoformats();\n\t\tthis._addHeadingAutoformats();\n\t\tthis._addBlockQuoteAutoformats();\n\t\tthis._addCodeBlockAutoformats();\n\t\tthis._addHorizontalLineAutoformats();\n\t}\n\n\t/**\n\t * Adds autoformatting related to the {@link module:list/list~List}.\n\t *\n\t * When typed:\n\t * - `* ` or `- ` &ndash; A paragraph will be changed to a bulleted list.\n\t * - `1. ` or `1) ` &ndash; A paragraph will be changed to a numbered list (\"1\" can be any digit or a list of digits).\n\t * - `[] ` or `[ ] ` &ndash; A paragraph will be changed to a to-do list.\n\t *\n\t * @private\n\t */\n\t_addListAutoformats() {\n\t\tconst commands = this.editor.commands;\n\n\t\tif ( commands.get( 'bulletedList' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^[*-]\\s$/, 'bulletedList' );\n\t\t}\n\n\t\tif ( commands.get( 'numberedList' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^1[.|)]\\s$/, 'numberedList' );\n\t\t}\n\n\t\tif ( commands.get( 'todoList' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^\\[\\s?\\]\\s$/, 'todoList' );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to the {@link module:basic-styles/bold~Bold},\n\t * {@link module:basic-styles/italic~Italic}, {@link module:basic-styles/code~Code}\n\t * and {@link module:basic-styles/strikethrough~Strikethrough}\n\t *\n\t * When typed:\n\t * - `**foobar**` &ndash; `**` characters are removed and `foobar` is set to bold,\n\t * - `__foobar__` &ndash; `__` characters are removed and `foobar` is set to bold,\n\t * - `*foobar*` &ndash; `*` characters are removed and `foobar` is set to italic,\n\t * - `_foobar_` &ndash; `_` characters are removed and `foobar` is set to italic,\n\t * - ``` `foobar` &ndash; ``` ` ``` characters are removed and `foobar` is set to code,\n\t * - `~~foobar~~` &ndash; `~~` characters are removed and `foobar` is set to strikethrough.\n\t *\n\t * @private\n\t */\n\t_addBasicStylesAutoformats() {\n\t\tconst commands = this.editor.commands;\n\n\t\tif ( commands.get( 'bold' ) ) {\n\t\t\tconst boldCallback = getCallbackFunctionForInlineAutoformat( this.editor, 'bold' );\n\n\t\t\tinlineAutoformatEditing( this.editor, this, /(?:^|\\s)(\\*\\*)([^*]+)(\\*\\*)$/g, boldCallback );\n\t\t\tinlineAutoformatEditing( this.editor, this, /(?:^|\\s)(__)([^_]+)(__)$/g, boldCallback );\n\t\t}\n\n\t\tif ( commands.get( 'italic' ) ) {\n\t\t\tconst italicCallback = getCallbackFunctionForInlineAutoformat( this.editor, 'italic' );\n\n\t\t\t// The italic autoformatter cannot be triggered by the bold markers, so we need to check the\n\t\t\t// text before the pattern (e.g. `(?:^|[^\\*])`).\n\t\t\tinlineAutoformatEditing( this.editor, this, /(?:^|\\s)(\\*)([^*_]+)(\\*)$/g, italicCallback );\n\t\t\tinlineAutoformatEditing( this.editor, this, /(?:^|\\s)(_)([^_]+)(_)$/g, italicCallback );\n\t\t}\n\n\t\tif ( commands.get( 'code' ) ) {\n\t\t\tconst codeCallback = getCallbackFunctionForInlineAutoformat( this.editor, 'code' );\n\n\t\t\tinlineAutoformatEditing( this.editor, this, /(`)([^`]+)(`)$/g, codeCallback );\n\t\t}\n\n\t\tif ( commands.get( 'strikethrough' ) ) {\n\t\t\tconst strikethroughCallback = getCallbackFunctionForInlineAutoformat( this.editor, 'strikethrough' );\n\n\t\t\tinlineAutoformatEditing( this.editor, this, /(~~)([^~]+)(~~)$/g, strikethroughCallback );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to {@link module:heading/heading~Heading}.\n\t *\n\t * It is using a number at the end of the command name to associate it with the proper trigger:\n\t *\n\t * * `heading` with value `heading1` will be executed when typing `#`,\n\t * * `heading` with value `heading2` will be executed when typing `##`,\n\t * * ... up to `heading6` and `######`.\n\t *\n\t * @private\n\t */\n\t_addHeadingAutoformats() {\n\t\tconst command = this.editor.commands.get( 'heading' );\n\n\t\tif ( command ) {\n\t\t\tcommand.modelElements\n\t\t\t\t.filter( name => name.match( /^heading[1-6]$/ ) )\n\t\t\t\t.forEach( modelName => {\n\t\t\t\t\tconst level = modelName[ 7 ];\n\t\t\t\t\tconst pattern = new RegExp( `^(#{${ level }})\\\\s$` );\n\n\t\t\t\t\tblockAutoformatEditing( this.editor, this, pattern, () => {\n\t\t\t\t\t\t// Should only be active if command is enabled and heading style associated with pattern is inactive.\n\t\t\t\t\t\tif ( !command.isEnabled || command.value === modelName ) {\n\t\t\t\t\t\t\treturn false;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis.editor.execute( 'heading', { value: modelName } );\n\t\t\t\t\t} );\n\t\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to {@link module:block-quote/blockquote~BlockQuote}.\n\t *\n\t * When typed:\n\t * * `> ` &ndash; A paragraph will be changed to a block quote.\n\t *\n\t * @private\n\t */\n\t_addBlockQuoteAutoformats() {\n\t\tif ( this.editor.commands.get( 'blockQuote' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^>\\s$/, 'blockQuote' );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to {@link module:code-block/codeblock~CodeBlock}.\n\t *\n\t * When typed:\n\t * - `` ``` `` &ndash; A paragraph will be changed to a code block.\n\t *\n\t * @private\n\t */\n\t_addCodeBlockAutoformats() {\n\t\tif ( this.editor.commands.get( 'codeBlock' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^```$/, 'codeBlock' );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to {@link module:horizontal-line/horizontalline~HorizontalLine}.\n\t *\n\t * When typed:\n\t * - `` --- `` &ndash; Will be replaced with a horizontal line.\n\t *\n\t * @private\n\t */\n\t_addHorizontalLineAutoformats() {\n\t\tif ( this.editor.commands.get( 'horizontalLine' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^---$/, 'horizontalLine' );\n\t\t}\n\t}\n}\n\n// Helper function for getting `inlineAutoformatEditing` callbacks that checks if command is enabled.\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {String} attributeKey\n// @returns {Function}\nfunction getCallbackFunctionForInlineAutoformat( editor, attributeKey ) {\n\treturn ( writer, rangesToFormat ) => {\n\t\tconst command = editor.commands.get( attributeKey );\n\n\t\tif ( !command.isEnabled ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst validRanges = editor.model.schema.getValidRanges( rangesToFormat, attributeKey );\n\n\t\tfor ( const range of validRanges ) {\n\t\t\twriter.setAttribute( attributeKey, true, range );\n\t\t}\n\n\t\t// After applying attribute to the text, remove given attribute from the selection.\n\t\t// This way user is able to type a text without attribute used by auto formatter.\n\t\twriter.removeSelectionAttribute( attributeKey );\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/attributecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\n/**\n * An extension of the base {@link module:core/command~Command} class, which provides utilities for a command\n * that toggles a single attribute on a text or an element.\n *\n * `AttributeCommand` uses {@link module:engine/model/document~Document#selection}\n * to decide which nodes (if any) should be changed, and applies or removes the attribute from them.\n *\n * The command checks the {@link module:engine/model/model~Model#schema} to decide if it can be enabled\n * for the current selection and to which nodes the attribute can be applied.\n *\n * @extends module:core/command~Command\n */\nexport default class AttributeCommand extends Command {\n\t/**\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {String} attributeKey Attribute that will be set by the command.\n\t */\n\tconstructor( editor, attributeKey ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The attribute that will be set by the command.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.attributeKey = attributeKey;\n\n\t\t/**\n\t\t * Flag indicating whether the command is active. The command is active when the\n\t\t * {@link module:engine/model/selection~Selection#hasAttribute selection has the attribute} which means that:\n\t\t *\n\t\t * * If the selection is not empty &ndash; That the attribute is set on the first node in the selection that allows this attribute.\n\t\t * * If the selection is empty &ndash; That the selection has the attribute itself (which means that newly typed\n\t\t * text will have this attribute, too).\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #value\n\t\t */\n\t}\n\n\t/**\n\t * Updates the command's {@link #value} and {@link #isEnabled} based on the current selection.\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tthis.value = this._getValueFromFirstAllowedNode();\n\t\tthis.isEnabled = model.schema.checkAttributeInSelection( doc.selection, this.attributeKey );\n\t}\n\n\t/**\n\t * Executes the command &mdash; applies the attribute to the selection or removes it from the selection.\n\t *\n\t * If the command is active (`value == true`), it will remove attributes. Otherwise, it will set attributes.\n\t *\n\t * The execution result differs, depending on the {@link module:engine/model/document~Document#selection}:\n\t *\n\t * * If the selection is on a range, the command applies the attribute to all nodes in that range\n\t * (if they are allowed to have this attribute by the {@link module:engine/model/schema~Schema schema}).\n\t * * If the selection is collapsed in a non-empty node, the command applies the attribute to the\n\t * {@link module:engine/model/document~Document#selection} itself (note that typed characters copy attributes from the selection).\n\t * * If the selection is collapsed in an empty node, the command applies the attribute to the parent node of the selection (note\n\t * that the selection inherits all attributes from a node if it is in an empty node).\n\t *\n\t * @fires execute\n\t * @param {Object} [options] Command options.\n\t * @param {Boolean} [options.forceValue] If set, it will force the command behavior. If `true`, the command will apply the attribute,\n\t * otherwise the command will remove the attribute.\n\t * If not set, the command will look for its current value to decide what it should do.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst selection = doc.selection;\n\t\tconst value = ( options.forceValue === undefined ) ? !this.value : options.forceValue;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\tif ( value ) {\n\t\t\t\t\twriter.setSelectionAttribute( this.attributeKey, true );\n\t\t\t\t} else {\n\t\t\t\t\twriter.removeSelectionAttribute( this.attributeKey );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst ranges = model.schema.getValidRanges( selection.getRanges(), this.attributeKey );\n\n\t\t\t\tfor ( const range of ranges ) {\n\t\t\t\t\tif ( value ) {\n\t\t\t\t\t\twriter.setAttribute( this.attributeKey, value, range );\n\t\t\t\t\t} else {\n\t\t\t\t\t\twriter.removeAttribute( this.attributeKey, range );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the attribute value of the first node in the selection that allows the attribute.\n\t * For the collapsed selection returns the selection attribute.\n\t *\n\t * @private\n\t * @returns {Boolean} The attribute value.\n\t */\n\t_getValueFromFirstAllowedNode() {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst selection = model.document.selection;\n\n\t\tif ( selection.isCollapsed ) {\n\t\t\treturn selection.hasAttribute( this.attributeKey );\n\t\t}\n\n\t\tfor ( const range of selection.getRanges() ) {\n\t\t\tfor ( const item of range.getItems() ) {\n\t\t\t\tif ( schema.checkAttribute( item, this.attributeKey ) ) {\n\t\t\t\t\treturn item.hasAttribute( this.attributeKey );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn false;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/bold/boldediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport AttributeCommand from '../attributecommand';\n\nconst BOLD = 'bold';\n\n/**\n * The bold editing feature.\n *\n * It registers the `'bold'` command and introduces the `bold` attribute in the model which renders to the view\n * as a `<strong>` element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BoldEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BoldEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\t// Allow bold attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: BOLD } );\n\t\teditor.model.schema.setAttributeProperties( BOLD, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: true\n\t\t} );\n\n\t\t// Build converter from model to view for data and editing pipelines.\n\t\teditor.conversion.attributeToElement( {\n\t\t\tmodel: BOLD,\n\t\t\tview: 'strong',\n\t\t\tupcastAlso: [\n\t\t\t\t'b',\n\t\t\t\tviewElement => {\n\t\t\t\t\tconst fontWeight = viewElement.getStyle( 'font-weight' );\n\n\t\t\t\t\tif ( !fontWeight ) {\n\t\t\t\t\t\treturn null;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Value of the `font-weight` attribute can be defined as a string or a number.\n\t\t\t\t\tif ( fontWeight == 'bold' || Number( fontWeight ) >= 600 ) {\n\t\t\t\t\t\treturn {\n\t\t\t\t\t\t\tname: true,\n\t\t\t\t\t\t\tstyles: [ 'font-weight' ]\n\t\t\t\t\t\t};\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\t// Create bold command.\n\t\teditor.commands.add( BOLD, new AttributeCommand( editor, BOLD ) );\n\n\t\t// Set the Ctrl+B keystroke.\n\t\teditor.keystrokes.set( 'CTRL+B', BOLD );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/bold/boldui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport boldIcon from '../../theme/icons/bold.svg';\n\nconst BOLD = 'bold';\n\n/**\n * The bold UI feature. It introduces the Bold button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BoldUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add bold button to feature components.\n\t\teditor.ui.componentFactory.add( BOLD, locale => {\n\t\t\tconst command = editor.commands.get( BOLD );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Bold' ),\n\t\t\t\ticon: boldIcon,\n\t\t\t\tkeystroke: 'CTRL+B',\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( BOLD );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/twostepcaretmovement\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\n\n/**\n * This plugin enables the two-step caret (phantom) movement behavior for\n * {@link module:typing/twostepcaretmovement~TwoStepCaretMovement#registerAttribute registered attributes}\n * on arrow right (<kbd>→</kbd>) and left (<kbd>←</kbd>) key press.\n *\n * Thanks to this (phantom) caret movement the user is able to type before/after as well as at the\n * beginning/end of an attribute.\n *\n * **Note:** This plugin support right–to–left (Arabic, Hebrew, etc.) content by mirroring its behavior\n * but for the sake of simplicity examples showcase only left–to–right use–cases.\n *\n * # Forward movement\n *\n * ## \"Entering\" an attribute:\n *\n * When this plugin is enabled and registered for the `a` attribute and the selection is right before it\n * (at the attribute boundary), pressing the right arrow key will not move the selection but update its\n * attributes accordingly:\n *\n * * When enabled:\n *\n *   \t\tfoo{}<$text a=\"true\">bar</$text>\n *\n *    <kbd>→</kbd>\n *\n *   \t\tfoo<$text a=\"true\">{}bar</$text>\n *\n * * When disabled:\n *\n *   \t\tfoo{}<$text a=\"true\">bar</$text>\n *\n *   <kbd>→</kbd>\n *\n *   \t\tfoo<$text a=\"true\">b{}ar</$text>\n *\n *\n * ## \"Leaving\" an attribute:\n *\n * * When enabled:\n *\n *   \t\t<$text a=\"true\">bar{}</$text>baz\n *\n *    <kbd>→</kbd>\n *\n *   \t\t<$text a=\"true\">bar</$text>{}baz\n *\n * * When disabled:\n *\n *   \t\t<$text a=\"true\">bar{}</$text>baz\n *\n *   <kbd>→</kbd>\n *\n *   \t\t<$text a=\"true\">bar</$text>b{}az\n *\n * # Backward movement\n *\n * * When enabled:\n *\n *   \t\t<$text a=\"true\">bar</$text>{}baz\n *\n *    <kbd>←</kbd>\n *\n *   \t\t<$text a=\"true\">bar{}</$text>baz\n *\n * * When disabled:\n *\n *   \t\t<$text a=\"true\">bar</$text>{}baz\n *\n *   <kbd>←</kbd>\n *\n *   \t\t<$text a=\"true\">ba{}r</$text>b{}az\n *\n * # Multiple attributes\n *\n * * When enabled and many attributes starts or ends at the same position:\n *\n *   \t\t<$text a=\"true\" b=\"true\">bar</$text>{}baz\n *\n *    <kbd>←</kbd>\n *\n *   \t\t<$text a=\"true\" b=\"true\">bar{}</$text>baz\n *\n * * When enabled and one procedes another:\n *\n *   \t\t<$text a=\"true\">bar</$text><$text b=\"true\">{}bar</$text>\n *\n *    <kbd>←</kbd>\n *\n *   \t\t<$text a=\"true\">bar{}</$text><$text b=\"true\">bar</$text>\n *\n */\nexport default class TwoStepCaretMovement extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TwoStepCaretMovement';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A set of attributes to handle.\n\t\t *\n\t\t * @protected\n\t\t * @property {module:typing/twostepcaretmovement~TwoStepCaretMovement}\n\t\t */\n\t\tthis.attributes = new Set();\n\n\t\t/**\n\t\t * The current UID of the overridden gravity, as returned by\n\t\t * {@link module:engine/model/writer~Writer#overrideSelectionGravity}.\n\t\t *\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._overrideUid = null;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst view = editor.editing.view;\n\t\tconst locale = editor.locale;\n\n\t\tconst modelSelection = model.document.selection;\n\n\t\t// Listen to keyboard events and handle the caret movement according to the 2-step caret logic.\n\t\t//\n\t\t// Note: This listener has the \"high+1\" priority:\n\t\t// * \"high\" because of the filler logic implemented in the renderer which also engages on #keydown.\n\t\t// When the gravity is overridden the attributes of the (model) selection attributes are reset.\n\t\t// It may end up with the filler kicking in and breaking the selection.\n\t\t// * \"+1\" because we would like to avoid collisions with other features (like Widgets), which\n\t\t// take over the keydown events with the \"high\" priority. Two-step caret movement takes precedence\n\t\t// over Widgets in that matter.\n\t\t//\n\t\t// Find out more in https://github.com/ckeditor/ckeditor5-engine/issues/1301.\n\t\tthis.listenTo( view.document, 'keydown', ( evt, data ) => {\n\t\t\t// This implementation works only for collapsed selection.\n\t\t\tif ( !modelSelection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// When user tries to expand the selection or jump over the whole word or to the beginning/end then\n\t\t\t// two-steps movement is not necessary.\n\t\t\tif ( data.shiftKey || data.altKey || data.ctrlKey ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst arrowRightPressed = data.keyCode == keyCodes.arrowright;\n\t\t\tconst arrowLeftPressed = data.keyCode == keyCodes.arrowleft;\n\n\t\t\t// When neither left or right arrow has been pressed then do noting.\n\t\t\tif ( !arrowRightPressed && !arrowLeftPressed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst contentDirection = locale.contentLanguageDirection;\n\t\t\tlet isMovementHandled = false;\n\n\t\t\tif ( ( contentDirection === 'ltr' && arrowRightPressed ) || ( contentDirection === 'rtl' && arrowLeftPressed ) ) {\n\t\t\t\tisMovementHandled = this._handleForwardMovement( data );\n\t\t\t} else {\n\t\t\t\tisMovementHandled = this._handleBackwardMovement( data );\n\t\t\t}\n\n\t\t\t// Stop the keydown event if the two-step caret movement handled it. Avoid collisions\n\t\t\t// with other features which may also take over the caret movement (e.g. Widget).\n\t\t\tif ( isMovementHandled === true ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: priorities.get( 'high' ) + 1 } );\n\n\t\t/**\n\t\t * A flag indicating that the automatic gravity restoration should not happen upon the next\n\t\t * gravity restoration.\n\t\t * {@link module:engine/model/selection~Selection#event:change:range} event.\n\t\t *\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._isNextGravityRestorationSkipped = false;\n\n\t\t// The automatic gravity restoration logic.\n\t\tthis.listenTo( modelSelection, 'change:range', ( evt, data ) => {\n\t\t\t// Skipping the automatic restoration is needed if the selection should change\n\t\t\t// but the gravity must remain overridden afterwards. See the #handleBackwardMovement\n\t\t\t// to learn more.\n\t\t\tif ( this._isNextGravityRestorationSkipped ) {\n\t\t\t\tthis._isNextGravityRestorationSkipped = false;\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Skip automatic restore when the gravity is not overridden — simply, there's nothing to restore\n\t\t\t// at this moment.\n\t\t\tif ( !this._isGravityOverridden ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Skip automatic restore when the change is indirect AND the selection is at the attribute boundary.\n\t\t\t// It means that e.g. if the change was external (collaboration) and the user had their\n\t\t\t// selection around the link, its gravity should remain intact in this change:range event.\n\t\t\tif ( !data.directChange && isBetweenDifferentAttributes( modelSelection.getFirstPosition(), this.attributes ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._restoreGravity();\n\t\t} );\n\t}\n\n\t/**\n\t * Registers a given attribute for the two-step caret movement.\n\t *\n\t * @param {String} attribute Name of the attribute to handle.\n\t */\n\tregisterAttribute( attribute ) {\n\t\tthis.attributes.add( attribute );\n\t}\n\n\t/**\n\t * Updates the document selection and the view according to the two–step caret movement state\n\t * when moving **forwards**. Executed upon `keypress` in the {@link module:engine/view/view~View}.\n\t *\n\t * @private\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} data Data of the key press.\n\t * @returns {Boolean} `true` when the handler prevented caret movement\n\t */\n\t_handleForwardMovement( data ) {\n\t\tconst attributes = this.attributes;\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst position = selection.getFirstPosition();\n\t\t// DON'T ENGAGE 2-SCM if gravity is already overridden. It means that we just entered\n\t\t//\n\t\t// \t\t<paragraph>foo<$text attribute>{}bar</$text>baz</paragraph>\n\t\t//\n\t\t// or left the attribute\n\t\t//\n\t\t// \t\t<paragraph>foo<$text attribute>bar</$text>{}baz</paragraph>\n\t\t//\n\t\t// and the gravity will be restored automatically.\n\t\tif ( this._isGravityOverridden ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// DON'T ENGAGE 2-SCM when the selection is at the beginning of the block AND already has the\n\t\t// attribute:\n\t\t// * when the selection was initially set there using the mouse,\n\t\t// * when the editor has just started\n\t\t//\n\t\t//\t\t<paragraph><$text attribute>{}bar</$text>baz</paragraph>\n\t\t//\n\t\tif ( position.isAtStart && hasAnyAttribute( selection, attributes ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// ENGAGE 2-SCM When at least one of the observed attributes changes its value (incl. starts, ends).\n\t\t//\n\t\t//\t\t<paragraph>foo<$text attribute>bar{}</$text>baz</paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute>bar{}</$text><$text otherAttribute>baz</$text></paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute=1>bar{}</$text><$text attribute=2>baz</$text></paragraph>\n\t\t//\t\t<paragraph>foo{}<$text attribute>bar</$text>baz</paragraph>\n\t\t//\n\t\tif ( isBetweenDifferentAttributes( position, attributes ) ) {\n\t\t\tpreventCaretMovement( data );\n\t\t\tthis._overrideGravity();\n\t\t\treturn true;\n\t\t}\n\t}\n\n\t/**\n\t * Updates the document selection and the view according to the two–step caret movement state\n\t * when moving **backwards**. Executed upon `keypress` in the {@link module:engine/view/view~View}.\n\t *\n\t * @private\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} data Data of the key press.\n\t * @returns {Boolean} `true` when the handler prevented caret movement\n\t */\n\t_handleBackwardMovement( data ) {\n\t\tconst attributes = this.attributes;\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst position = selection.getFirstPosition();\n\n\t\t// When the gravity is already overridden (by this plugin), it means we are on the two-step position.\n\t\t// Prevent the movement, restore the gravity and update selection attributes.\n\t\t//\n\t\t//\t\t<paragraph>foo<$text attribute=1>bar</$text><$text attribute=2>{}baz</$text></paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute>bar</$text><$text otherAttribute>{}baz</$text></paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute>{}bar</$text>baz</paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute>bar</$text>{}baz</paragraph>\n\t\t//\n\t\tif ( this._isGravityOverridden ) {\n\t\t\tpreventCaretMovement( data );\n\t\t\tthis._restoreGravity();\n\t\t\tsetSelectionAttributesFromTheNodeBefore( model, attributes, position );\n\n\t\t\treturn true;\n\t\t} else {\n\t\t\t// REMOVE SELECTION ATTRIBUTE when restoring gravity towards a non-existent content at the\n\t\t\t// beginning of the block.\n\t\t\t//\n\t\t\t// \t\t<paragraph>{}<$text attribute>bar</$text></paragraph>\n\t\t\t//\n\t\t\tif ( position.isAtStart ) {\n\t\t\t\tif ( hasAnyAttribute( selection, attributes ) ) {\n\t\t\t\t\tpreventCaretMovement( data );\n\t\t\t\t\tsetSelectionAttributesFromTheNodeBefore( model, attributes, position );\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t\t// When we are moving from natural gravity, to the position of the 2SCM, we need to override the gravity,\n\t\t\t// and make sure it won't be restored. Unless it's at the end of the block and an observed attribute.\n\t\t\t// We need to check if the caret is a one position before the attribute boundary:\n\t\t\t//\n\t\t\t//\t\t<paragraph>foo<$text attribute=1>bar</$text><$text attribute=2>b{}az</$text></paragraph>\n\t\t\t//\t\t<paragraph>foo<$text attribute>bar</$text><$text otherAttribute>b{}az</$text></paragraph>\n\t\t\t//\t\t<paragraph>foo<$text attribute>b{}ar</$text>baz</paragraph>\n\t\t\t//\t\t<paragraph>foo<$text attribute>bar</$text>b{}az</paragraph>\n\t\t\t//\n\t\t\tif ( isStepAfterAnyAttributeBoundary( position, attributes ) ) {\n\t\t\t\t// ENGAGE 2-SCM if the selection has no attribute. This may happen when the user\n\t\t\t\t// left the attribute using a FORWARD 2-SCM.\n\t\t\t\t//\n\t\t\t\t// \t\t<paragraph><$text attribute>bar</$text>{}</paragraph>\n\t\t\t\t//\n\t\t\t\tif (\n\t\t\t\t\tposition.isAtEnd &&\n\t\t\t\t\t!hasAnyAttribute( selection, attributes ) &&\n\t\t\t\t\tisBetweenDifferentAttributes( position, attributes )\n\t\t\t\t) {\n\t\t\t\t\tpreventCaretMovement( data );\n\t\t\t\t\tsetSelectionAttributesFromTheNodeBefore( model, attributes, position );\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t\t// Skip the automatic gravity restore upon the next selection#change:range event.\n\t\t\t\t// If not skipped, it would automatically restore the gravity, which should remain\n\t\t\t\t// overridden.\n\t\t\t\tthis._isNextGravityRestorationSkipped = true;\n\t\t\t\tthis._overrideGravity();\n\n\t\t\t\t// Don't return \"true\" here because we didn't call _preventCaretMovement.\n\t\t\t\t// Returning here will destabilize the filler logic, which also listens to\n\t\t\t\t// keydown (and the event would be stopped).\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * `true` when the gravity is overridden for the plugin.\n\t *\n\t * @readonly\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isGravityOverridden() {\n\t\treturn !!this._overrideUid;\n\t}\n\n\t/**\n\t * Overrides the gravity using the {@link module:engine/model/writer~Writer model writer}\n\t * and stores the information about this fact in the {@link #_overrideUid}.\n\t *\n\t * A shorthand for {@link module:engine/model/writer~Writer#overrideSelectionGravity}.\n\t *\n\t * @private\n\t */\n\t_overrideGravity() {\n\t\tthis._overrideUid = this.editor.model.change( writer => {\n\t\t\treturn writer.overrideSelectionGravity();\n\t\t} );\n\t}\n\n\t/**\n\t * Restores the gravity using the {@link module:engine/model/writer~Writer model writer}.\n\t *\n\t * A shorthand for {@link module:engine/model/writer~Writer#restoreSelectionGravity}.\n\t *\n\t * @private\n\t */\n\t_restoreGravity() {\n\t\tthis.editor.model.change( writer => {\n\t\t\twriter.restoreSelectionGravity( this._overrideUid );\n\t\t\tthis._overrideUid = null;\n\t\t} );\n\t}\n}\n\n// Checks whether the selection has any of given attributes.\n//\n// @param {module:engine/model/documentselection~DocumentSelection} selection\n// @param {Iterable.<String>} attributes\nfunction hasAnyAttribute( selection, attributes ) {\n\tfor ( const observedAttribute of attributes ) {\n\t\tif ( selection.hasAttribute( observedAttribute ) ) {\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\n// Applies the given attributes to the current selection using using the\n// values from the node before the current position. Uses\n// the {@link module:engine/model/writer~Writer model writer}.\n//\n// @param {module:engine/model/model~Model}\n// @param {Iterable.<String>} attributess\n// @param {module:engine/model/position~Position} position\nfunction setSelectionAttributesFromTheNodeBefore( model, attributes, position ) {\n\tconst nodeBefore = position.nodeBefore;\n\tmodel.change( writer => {\n\t\tif ( nodeBefore ) {\n\t\t\twriter.setSelectionAttribute( nodeBefore.getAttributes() );\n\t\t} else {\n\t\t\twriter.removeSelectionAttribute( attributes );\n\t\t}\n\t} );\n}\n\n// Prevents the caret movement in the view by calling `preventDefault` on the event data.\n//\n// @alias data.preventDefault\nfunction preventCaretMovement( data ) {\n\tdata.preventDefault();\n}\n\n// Checks whether the step before `isBetweenDifferentAttributes()`.\n//\n// @param {module:engine/model/position~Position} position\n// @param {String} attribute\nfunction isStepAfterAnyAttributeBoundary( position, attributes ) {\n\tconst positionBefore = position.getShiftedBy( -1 );\n\treturn isBetweenDifferentAttributes( positionBefore, attributes );\n}\n\n// Checks whether the given position is between different values of given attributes.\n//\n// @param {module:engine/model/position~Position} position\n// @param {Iterable.<String>} attributes\nfunction isBetweenDifferentAttributes( position, attributes ) {\n\tconst { nodeBefore, nodeAfter } = position;\n\tfor ( const observedAttribute of attributes ) {\n\t\tconst attrBefore = nodeBefore ? nodeBefore.getAttribute( observedAttribute ) : undefined;\n\t\tconst attrAfter = nodeAfter ? nodeAfter.getAttribute( observedAttribute ) : undefined;\n\n\t\tif ( attrAfter !== attrBefore ) {\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/findattributerange\n */\n\n/**\n * Returns a model range that covers all consecutive nodes with the same `attributeName` and its `value`\n * that intersect the given `position`.\n *\n * It can be used e.g. to get the entire range on which the `linkHref` attribute needs to be changed when having a\n * selection inside a link.\n *\n * @param {module:engine/model/position~Position} position The start position.\n * @param {String} attributeName The attribute name.\n * @param {String} value The attribute value.\n * @param {module:engine/model/model~Model} model The model instance.\n * @returns {module:engine/model/range~Range} The link range.\n */\nexport default function findAttributeRange( position, attributeName, value, model ) {\n\treturn model.createRange(\n\t\t_findBound( position, attributeName, value, true, model ),\n\t\t_findBound( position, attributeName, value, false, model )\n\t);\n}\n\n// Walks forward or backward (depends on the `lookBack` flag), node by node, as long as they have the same attribute value\n// and returns a position just before or after (depends on the `lookBack` flag) the last matched node.\n//\n// @param {module:engine/model/position~Position} position The start position.\n// @param {String} attributeName The attribute name.\n// @param {String} value The attribute value.\n// @param {Boolean} lookBack Whether the walk direction is forward (`false`) or backward (`true`).\n// @returns {module:engine/model/position~Position} The position just before the last matched node.\nfunction _findBound( position, attributeName, value, lookBack, model ) {\n\t// Get node before or after position (depends on `lookBack` flag).\n\t// When position is inside text node then start searching from text node.\n\tlet node = position.textNode || ( lookBack ? position.nodeBefore : position.nodeAfter );\n\n\tlet lastNode = null;\n\n\twhile ( node && node.getAttribute( attributeName ) == value ) {\n\t\tlastNode = node;\n\t\tnode = lookBack ? node.previousSibling : node.nextSibling;\n\t}\n\n\treturn lastNode ? model.createPositionAt( lastNode, lookBack ? 'before' : 'after' ) : position;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport findAttributeRange from './findattributerange';\n\n/**\n * @module typing/utils/inlinehighlight\n */\n\n/**\n * Adds a visual highlight style to an attribute element in which the selection is anchored.\n * Together with two-step caret movement, they indicate that the user is typing inside the element.\n *\n * Highlight is turned on by adding the given class to the attribute element in the view:\n *\n * * The class is removed before the conversion has started, as callbacks added with the `'highest'` priority\n * to {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher} events.\n * * The class is added in the view post fixer, after other changes in the model tree were converted to the view.\n *\n * This way, adding and removing the highlight does not interfere with conversion.\n *\n * Usage:\n *\n *\t\timport inlineHighlight from '@ckeditor/ckeditor5-typing/src/utils/inlinehighlight';\n *\n *\t\t// Make `ck-link_selected` class be applied on an `a` element\n *\t\t// whenever the corresponding `linkHref` attribute element is selected.\n *\t\tinlineHighlight( editor, 'linkHref', 'a', 'ck-link_selected' );\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @param {String} attributeName The attribute name to check.\n * @param {String} tagName The tagName of a view item.\n * @param {String} className The class name to apply in the view.\n */\nexport default function inlineHighlight( editor, attributeName, tagName, className ) {\n\tconst view = editor.editing.view;\n\tconst highlightedElements = new Set();\n\n\t// Adding the class.\n\tview.document.registerPostFixer( writer => {\n\t\tconst selection = editor.model.document.selection;\n\t\tlet changed = false;\n\n\t\tif ( selection.hasAttribute( attributeName ) ) {\n\t\t\tconst modelRange = findAttributeRange(\n\t\t\t\tselection.getFirstPosition(),\n\t\t\t\tattributeName,\n\t\t\t\tselection.getAttribute( attributeName ),\n\t\t\t\teditor.model\n\t\t\t);\n\t\t\tconst viewRange = editor.editing.mapper.toViewRange( modelRange );\n\n\t\t\t// There might be multiple view elements in the `viewRange`, for example, when the `a` element is\n\t\t\t// broken by a UIElement.\n\t\t\tfor ( const item of viewRange.getItems() ) {\n\t\t\t\tif ( item.is( 'element', tagName ) && !item.hasClass( className ) ) {\n\t\t\t\t\twriter.addClass( className, item );\n\t\t\t\t\thighlightedElements.add( item );\n\t\t\t\t\tchanged = true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn changed;\n\t} );\n\n\t// Removing the class.\n\teditor.conversion.for( 'editingDowncast' ).add( dispatcher => {\n\t\t// Make sure the highlight is removed on every possible event, before conversion is started.\n\t\tdispatcher.on( 'insert', removeHighlight, { priority: 'highest' } );\n\t\tdispatcher.on( 'remove', removeHighlight, { priority: 'highest' } );\n\t\tdispatcher.on( 'attribute', removeHighlight, { priority: 'highest' } );\n\t\tdispatcher.on( 'selection', removeHighlight, { priority: 'highest' } );\n\n\t\tfunction removeHighlight() {\n\t\t\tview.change( writer => {\n\t\t\t\tfor ( const item of highlightedElements.values() ) {\n\t\t\t\t\twriter.removeClass( className, item );\n\t\t\t\t\thighlightedElements.delete( item );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/code/codeediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport AttributeCommand from '../attributecommand';\nimport TwoStepCaretMovement from '@ckeditor/ckeditor5-typing/src/twostepcaretmovement';\nimport setupHighlight from '@ckeditor/ckeditor5-typing/src/utils/inlinehighlight';\n\nconst CODE = 'code';\nconst HIGHLIGHT_CLASS = 'ck-code_selected';\n\n/**\n * The code editing feature.\n *\n * It registers the `'code'` command and introduces the `code` attribute in the model which renders to the view\n * as a `<code>` element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CodeEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'CodeEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TwoStepCaretMovement ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Allow code attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: CODE } );\n\t\teditor.model.schema.setAttributeProperties( CODE, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: false\n\t\t} );\n\n\t\teditor.conversion.attributeToElement( {\n\t\t\tmodel: CODE,\n\t\t\tview: 'code',\n\t\t\tupcastAlso: {\n\t\t\t\tstyles: {\n\t\t\t\t\t'word-wrap': 'break-word'\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\t// Create code command.\n\t\teditor.commands.add( CODE, new AttributeCommand( editor, CODE ) );\n\n\t\t// Enable two-step caret movement for `code` attribute.\n\t\teditor.plugins.get( TwoStepCaretMovement ).registerAttribute( CODE );\n\n\t\t// Setup highlight over selected element.\n\t\tsetupHighlight( editor, CODE, 'code', HIGHLIGHT_CLASS );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/code/codeui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport codeIcon from '../../theme/icons/code.svg';\n\nimport '../../theme/code.css';\n\nconst CODE = 'code';\n\n/**\n * The code UI feature. It introduces the Code button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CodeUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add code button to feature components.\n\t\teditor.ui.componentFactory.add( CODE, locale => {\n\t\t\tconst command = editor.commands.get( CODE );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Code' ),\n\t\t\t\ticon: codeIcon,\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( CODE );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M12.5 5.7l5.2 3.9v1.3l-5.6 4c-.1.2-.3.2-.5.2-.3-.1-.6-.7-.6-1l.3-.4 4.7-3.5L11.5 7l-.2-.2c-.1-.3-.1-.6 0-.8.2-.2.5-.4.8-.4a.8.8 0 0 1 .4.1zm-5.2 0L2 9.6v1.3l5.6 4c.1.2.3.2.5.2.3-.1.7-.7.6-1 0-.1 0-.3-.2-.4l-5-3.5L8.2 7l.2-.2c.1-.3.1-.6 0-.8-.2-.2-.5-.4-.8-.4a.8.8 0 0 0-.3.1z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/strikethrough/strikethroughediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport AttributeCommand from '../attributecommand';\n\nconst STRIKETHROUGH = 'strikethrough';\n\n/**\n * The strikethrough editing feature.\n *\n * It registers the `'strikethrough'` command, the <kbd>Ctrl+Shift+X</kbd> keystroke and introduces the\n * `strikethroughsthrough` attribute in the model which renders to the view\n * as a `<s>` element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class StrikethroughEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'StrikethroughEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Allow strikethrough attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: STRIKETHROUGH } );\n\t\teditor.model.schema.setAttributeProperties( STRIKETHROUGH, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: true\n\t\t} );\n\n\t\teditor.conversion.attributeToElement( {\n\t\t\tmodel: STRIKETHROUGH,\n\t\t\tview: 's',\n\t\t\tupcastAlso: [\n\t\t\t\t'del',\n\t\t\t\t'strike',\n\t\t\t\t{\n\t\t\t\t\tstyles: {\n\t\t\t\t\t\t'text-decoration': 'line-through'\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\t// Create strikethrough command.\n\t\teditor.commands.add( STRIKETHROUGH, new AttributeCommand( editor, STRIKETHROUGH ) );\n\n\t\t// Set the Ctrl+Shift+X keystroke.\n\t\teditor.keystrokes.set( 'CTRL+SHIFT+X', 'strikethrough' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/strikethrough/strikethroughui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport strikethroughIcon from '../../theme/icons/strikethrough.svg';\n\nconst STRIKETHROUGH = 'strikethrough';\n\n/**\n * The strikethrough UI feature. It introduces the Strikethrough button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class StrikethroughUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add strikethrough button to feature components.\n\t\teditor.ui.componentFactory.add( STRIKETHROUGH, locale => {\n\t\t\tconst command = editor.commands.get( STRIKETHROUGH );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Strikethrough' ),\n\t\t\t\ticon: strikethroughIcon,\n\t\t\t\tkeystroke: 'CTRL+SHIFT+X',\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( STRIKETHROUGH );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M7 16.4c-.8-.4-1.5-.9-2.2-1.5a.6.6 0 0 1-.2-.5l.3-.6h1c1 1.2 2.1 1.7 3.7 1.7 1 0 1.8-.3 2.3-.6.6-.4.6-1.2.6-1.3.2-1.2-.9-2.1-.9-2.1h2.1c.3.7.4 1.2.4 1.7v.8l-.6 1.2c-.6.8-1.1 1-1.6 1.2a6 6 0 0 1-2.4.6c-1 0-1.8-.3-2.5-.6zM6.8 9L6 8.3c-.4-.5-.5-.8-.5-1.6 0-.7.1-1.3.5-1.8.4-.6 1-1 1.6-1.3a6.3 6.3 0 0 1 4.7 0 4 4 0 0 1 1.7 1l.3.7c0 .1.2.4-.2.7-.4.2-.9.1-1 0a3 3 0 0 0-1.2-1c-.4-.2-1-.3-2-.4-.7 0-1.4.2-2 .6-.8.6-1 .8-1 1.5 0 .8.5 1 1.2 1.5.6.4 1.1.7 1.9 1H6.8z\\\"/><path d=\\\"M3 10.5V9h14v1.5z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/italic/italicediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport AttributeCommand from '../attributecommand';\n\nconst ITALIC = 'italic';\n\n/**\n * The italic editing feature.\n *\n * It registers the `'italic'` command, the <kbd>Ctrl+I</kbd> keystroke and introduces the `italic` attribute in the model\n * which renders to the view as an `<i>` element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ItalicEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ItalicEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Allow italic attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: ITALIC } );\n\t\teditor.model.schema.setAttributeProperties( ITALIC, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: true\n\t\t} );\n\n\t\teditor.conversion.attributeToElement( {\n\t\t\tmodel: ITALIC,\n\t\t\tview: 'i',\n\t\t\tupcastAlso: [\n\t\t\t\t'em',\n\t\t\t\t{\n\t\t\t\t\tstyles: {\n\t\t\t\t\t\t'font-style': 'italic'\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\t// Create italic command.\n\t\teditor.commands.add( ITALIC, new AttributeCommand( editor, ITALIC ) );\n\n\t\t// Set the Ctrl+I keystroke.\n\t\teditor.keystrokes.set( 'CTRL+I', ITALIC );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/italic/italicui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport italicIcon from '../../theme/icons/italic.svg';\n\nconst ITALIC = 'italic';\n\n/**\n * The italic UI feature. It introduces the Italic button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ItalicUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add bold button to feature components.\n\t\teditor.ui.componentFactory.add( ITALIC, locale => {\n\t\t\tconst command = editor.commands.get( ITALIC );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Italic' ),\n\t\t\t\ticon: italicIcon,\n\t\t\t\tkeystroke: 'CTRL+I',\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( ITALIC );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module block-quote/blockquotecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\n/**\n * The block quote command plugin.\n *\n * @extends module:core/command~Command\n */\nexport default class BlockQuoteCommand extends Command {\n\t/**\n\t * Whether the selection starts in a block quote.\n\t *\n\t * @observable\n\t * @readonly\n\t * @member {Boolean} #value\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.value = this._getValue();\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Executes the command. When the command {@link #value is on}, all top-most block quotes within\n\t * the selection will be removed. If it is off, all selected blocks will be wrapped with\n\t * a block quote.\n\t *\n\t * @fires execute\n\t * @param {Object} [options] Command options.\n\t * @param {Boolean} [options.forceValue] If set, it will force the command behavior. If `true`, the command will apply a block quote,\n\t * otherwise the command will remove the block quote. If not set, the command will act basing on its current value.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst selection = model.document.selection;\n\n\t\tconst blocks = Array.from( selection.getSelectedBlocks() );\n\n\t\tconst value = ( options.forceValue === undefined ) ? !this.value : options.forceValue;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( !value ) {\n\t\t\t\tthis._removeQuote( writer, blocks.filter( findQuote ) );\n\t\t\t} else {\n\t\t\t\tconst blocksToQuote = blocks.filter( block => {\n\t\t\t\t\t// Already quoted blocks needs to be considered while quoting too\n\t\t\t\t\t// in order to reuse their <bQ> elements.\n\t\t\t\t\treturn findQuote( block ) || checkCanBeQuoted( schema, block );\n\t\t\t\t} );\n\n\t\t\t\tthis._applyQuote( writer, blocksToQuote );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the command's {@link #value}.\n\t *\n\t * @private\n\t * @returns {Boolean} The current value.\n\t */\n\t_getValue() {\n\t\tconst selection = this.editor.model.document.selection;\n\n\t\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\t\t// In the current implementation, the block quote must be an immediate parent of a block element.\n\t\treturn !!( firstBlock && findQuote( firstBlock ) );\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\tif ( this.value ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst schema = this.editor.model.schema;\n\n\t\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\t\tif ( !firstBlock ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn checkCanBeQuoted( schema, firstBlock );\n\t}\n\n\t/**\n\t * Removes the quote from given blocks.\n\t *\n\t * If blocks which are supposed to be \"unquoted\" are in the middle of a quote,\n\t * start it or end it, then the quote will be split (if needed) and the blocks\n\t * will be moved out of it, so other quoted blocks remained quoted.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @param {Array.<module:engine/model/element~Element>} blocks\n\t */\n\t_removeQuote( writer, blocks ) {\n\t\t// Unquote all groups of block. Iterate in the reverse order to not break following ranges.\n\t\tgetRangesOfBlockGroups( writer, blocks ).reverse().forEach( groupRange => {\n\t\t\tif ( groupRange.start.isAtStart && groupRange.end.isAtEnd ) {\n\t\t\t\twriter.unwrap( groupRange.start.parent );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// The group of blocks are at the beginning of an <bQ> so let's move them left (out of the <bQ>).\n\t\t\tif ( groupRange.start.isAtStart ) {\n\t\t\t\tconst positionBefore = writer.createPositionBefore( groupRange.start.parent );\n\n\t\t\t\twriter.move( groupRange, positionBefore );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// The blocks are in the middle of an <bQ> so we need to split the <bQ> after the last block\n\t\t\t// so we move the items there.\n\t\t\tif ( !groupRange.end.isAtEnd ) {\n\t\t\t\twriter.split( groupRange.end );\n\t\t\t}\n\n\t\t\t// Now we are sure that groupRange.end.isAtEnd is true, so let's move the blocks right.\n\n\t\t\tconst positionAfter = writer.createPositionAfter( groupRange.end.parent );\n\n\t\t\twriter.move( groupRange, positionAfter );\n\t\t} );\n\t}\n\n\t/**\n\t * Applies the quote to given blocks.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @param {Array.<module:engine/model/element~Element>} blocks\n\t */\n\t_applyQuote( writer, blocks ) {\n\t\tconst quotesToMerge = [];\n\n\t\t// Quote all groups of block. Iterate in the reverse order to not break following ranges.\n\t\tgetRangesOfBlockGroups( writer, blocks ).reverse().forEach( groupRange => {\n\t\t\tlet quote = findQuote( groupRange.start );\n\n\t\t\tif ( !quote ) {\n\t\t\t\tquote = writer.createElement( 'blockQuote' );\n\n\t\t\t\twriter.wrap( groupRange, quote );\n\t\t\t}\n\n\t\t\tquotesToMerge.push( quote );\n\t\t} );\n\n\t\t// Merge subsequent <bQ> elements. Reverse the order again because this time we want to go through\n\t\t// the <bQ> elements in the source order (due to how merge works – it moves the right element's content\n\t\t// to the first element and removes the right one. Since we may need to merge a couple of subsequent `<bQ>` elements\n\t\t// we want to keep the reference to the first (furthest left) one.\n\t\tquotesToMerge.reverse().reduce( ( currentQuote, nextQuote ) => {\n\t\t\tif ( currentQuote.nextSibling == nextQuote ) {\n\t\t\t\twriter.merge( writer.createPositionAfter( currentQuote ) );\n\n\t\t\t\treturn currentQuote;\n\t\t\t}\n\n\t\t\treturn nextQuote;\n\t\t} );\n\t}\n}\n\nfunction findQuote( elementOrPosition ) {\n\treturn elementOrPosition.parent.name == 'blockQuote' ? elementOrPosition.parent : null;\n}\n\n// Returns a minimal array of ranges containing groups of subsequent blocks.\n//\n// content:         abcdefgh\n// blocks:          [ a, b, d, f, g, h ]\n// output ranges:   [ab]c[d]e[fgh]\n//\n// @param {Array.<module:engine/model/element~Element>} blocks\n// @returns {Array.<module:engine/model/range~Range>}\nfunction getRangesOfBlockGroups( writer, blocks ) {\n\tlet startPosition;\n\tlet i = 0;\n\tconst ranges = [];\n\n\twhile ( i < blocks.length ) {\n\t\tconst block = blocks[ i ];\n\t\tconst nextBlock = blocks[ i + 1 ];\n\n\t\tif ( !startPosition ) {\n\t\t\tstartPosition = writer.createPositionBefore( block );\n\t\t}\n\n\t\tif ( !nextBlock || block.nextSibling != nextBlock ) {\n\t\t\tranges.push( writer.createRange( startPosition, writer.createPositionAfter( block ) ) );\n\t\t\tstartPosition = null;\n\t\t}\n\n\t\ti++;\n\t}\n\n\treturn ranges;\n}\n\n// Checks whether <bQ> can wrap the block.\nfunction checkCanBeQuoted( schema, block ) {\n\t// TMP will be replaced with schema.checkWrap().\n\tconst isBQAllowed = schema.checkChild( block.parent, 'blockQuote' );\n\tconst isBlockAllowedInBQ = schema.checkChild( [ '$root', 'blockQuote' ], block );\n\n\treturn isBQAllowed && isBlockAllowedInBQ;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module block-quote/blockquoteediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\n\nimport BlockQuoteCommand from './blockquotecommand';\n\n/**\n * The block quote editing.\n *\n * Introduces the `'blockQuote'` command and the `'blockQuote'` model element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BlockQuoteEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BlockQuoteEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\n\t\teditor.commands.add( 'blockQuote', new BlockQuoteCommand( editor ) );\n\n\t\tschema.register( 'blockQuote', {\n\t\t\tallowWhere: '$block',\n\t\t\tallowContentOf: '$root'\n\t\t} );\n\n\t\t// Disallow blockQuote in blockQuote.\n\t\tschema.addChildCheck( ( ctx, childDef ) => {\n\t\t\tif ( ctx.endsWith( 'blockQuote' ) && childDef.name == 'blockQuote' ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} );\n\n\t\teditor.conversion.elementToElement( { model: 'blockQuote', view: 'blockquote' } );\n\n\t\t// Postfixer which cleans incorrect model states connected with block quotes.\n\t\teditor.model.document.registerPostFixer( writer => {\n\t\t\tconst changes = editor.model.document.differ.getChanges();\n\n\t\t\tfor ( const entry of changes ) {\n\t\t\t\tif ( entry.type == 'insert' ) {\n\t\t\t\t\tconst element = entry.position.nodeAfter;\n\n\t\t\t\t\tif ( !element ) {\n\t\t\t\t\t\t// We are inside a text node.\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( element.is( 'element', 'blockQuote' ) && element.isEmpty ) {\n\t\t\t\t\t\t// Added an empty blockQuote - remove it.\n\t\t\t\t\t\twriter.remove( element );\n\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t} else if ( element.is( 'element', 'blockQuote' ) && !schema.checkChild( entry.position, element ) ) {\n\t\t\t\t\t\t// Added a blockQuote in incorrect place - most likely inside another blockQuote. Unwrap it\n\t\t\t\t\t\t// so the content inside is not lost.\n\t\t\t\t\t\twriter.unwrap( element );\n\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t} else if ( element.is( 'element' ) ) {\n\t\t\t\t\t\t// Just added an element. Check its children to see if there are no nested blockQuotes somewhere inside.\n\t\t\t\t\t\tconst range = writer.createRangeIn( element );\n\n\t\t\t\t\t\tfor ( const child of range.getItems() ) {\n\t\t\t\t\t\t\tif (\n\t\t\t\t\t\t\t\tchild.is( 'element', 'blockQuote' ) &&\n\t\t\t\t\t\t\t\t!schema.checkChild( writer.createPositionBefore( child ), child )\n\t\t\t\t\t\t\t) {\n\t\t\t\t\t\t\t\twriter.unwrap( child );\n\n\t\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t} else if ( entry.type == 'remove' ) {\n\t\t\t\t\tconst parent = entry.position.parent;\n\n\t\t\t\t\tif ( parent.is( 'element', 'blockQuote' ) && parent.isEmpty ) {\n\t\t\t\t\t\t// Something got removed and now blockQuote is empty. Remove the blockQuote as well.\n\t\t\t\t\t\twriter.remove( parent );\n\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn false;\n\t\t} );\n\n\t\tconst viewDocument = this.editor.editing.view.document;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst blockQuoteCommand = editor.commands.get( 'blockQuote' );\n\n\t\t// Overwrite default Enter key behavior.\n\t\t// If Enter key is pressed with selection collapsed in empty block inside a quote, break the quote.\n\t\t//\n\t\t// Priority normal - 10 to override default handler but not list's feature listener.\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tif ( !selection.isCollapsed || !blockQuoteCommand.value ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst positionParent = selection.getLastPosition().parent;\n\n\t\t\tif ( positionParent.isEmpty ) {\n\t\t\t\teditor.execute( 'blockQuote' );\n\t\t\t\teditor.editing.view.scrollToTheSelection();\n\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: priorities.normal - 10 } );\n\n\t\t// Overwrite default Backspace key behavior.\n\t\t// If Backspace key is pressed with selection collapsed in first empty block inside a quote, break the quote.\n\t\t//\n\t\t// Priority high + 5 to override widget's feature listener but not list's feature listener.\n\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\tif ( data.direction != 'backward' || !selection.isCollapsed || !blockQuoteCommand.value ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst positionParent = selection.getLastPosition().parent;\n\n\t\t\tif ( positionParent.isEmpty && !positionParent.previousSibling ) {\n\t\t\t\teditor.execute( 'blockQuote' );\n\t\t\t\teditor.editing.view.scrollToTheSelection();\n\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: priorities.high + 5 } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module block-quote/blockquoteui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport quoteIcon from '@ckeditor/ckeditor5-core/theme/icons/quote.svg';\nimport '../theme/blockquote.css';\n\n/**\n * The block quote UI plugin.\n *\n * It introduces the `'blockQuote'` button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BlockQuoteUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\teditor.ui.componentFactory.add( 'blockQuote', locale => {\n\t\t\tconst command = editor.commands.get( 'blockQuote' );\n\t\t\tconst buttonView = new ButtonView( locale );\n\n\t\t\tbuttonView.set( {\n\t\t\t\tlabel: t( 'Block quote' ),\n\t\t\t\ticon: quoteIcon,\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\t// Bind button model to command.\n\t\t\tbuttonView.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( buttonView, 'execute', () => {\n\t\t\t\teditor.execute( 'blockQuote' );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn buttonView;\n\t\t} );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paragraph/paragraphcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\n/**\n * The paragraph command.\n *\n * @extends module:core/command~Command\n */\nexport default class ParagraphCommand extends Command {\n\t/**\n\t * The value of the command. Indicates whether the selection start is placed in a paragraph.\n\t *\n\t * @readonly\n\t * @observable\n\t * @member {Boolean} #value\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\t\tconst block = first( document.selection.getSelectedBlocks() );\n\n\t\tthis.value = !!block && block.is( 'element', 'paragraph' );\n\t\tthis.isEnabled = !!block && checkCanBecomeParagraph( block, model.schema );\n\t}\n\n\t/**\n\t * Executes the command. All the blocks (see {@link module:engine/model/schema~Schema}) in the selection\n\t * will be turned to paragraphs.\n\t *\n\t * @fires execute\n\t * @param {Object} [options] Options for the executed command.\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} [options.selection]\n\t * The selection that the command should be applied to.\n\t * By default, if not provided, the command is applied to the {@link module:engine/model/document~Document#selection}.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\n\t\tmodel.change( writer => {\n\t\t\tconst blocks = ( options.selection || document.selection ).getSelectedBlocks();\n\n\t\t\tfor ( const block of blocks ) {\n\t\t\t\tif ( !block.is( 'element', 'paragraph' ) && checkCanBecomeParagraph( block, model.schema ) ) {\n\t\t\t\t\twriter.rename( block, 'paragraph' );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n\n// Checks whether the given block can be replaced by a paragraph.\n//\n// @private\n// @param {module:engine/model/element~Element} block A block to be tested.\n// @param {module:engine/model/schema~Schema} schema The schema of the document.\n// @returns {Boolean}\nfunction checkCanBecomeParagraph( block, schema ) {\n\treturn schema.checkChild( block.parent, 'paragraph' ) && !schema.isObject( block );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paragraph/insertparagraphcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\n/**\n * The insert paragraph command. It inserts a new paragraph at a specific\n * {@link module:engine/model/position~Position document position}.\n *\n *\t\t// Insert a new paragraph before an element in the document.\n *\t\teditor.execute( 'insertParagraph', {\n *\t\t\tposition: editor.model.createPositionBefore( element )\n *\t\t} );\n *\n * If a paragraph is disallowed in the context of the specific position, the command\n * will attempt to split position ancestors to find a place where it is possible\n * to insert a paragraph.\n *\n * **Note**: This command moves the selection to the inserted paragraph.\n *\n * @extends module:core/command~Command\n */\nexport default class InsertParagraphCommand extends Command {\n\t/**\n\t * Executes the command.\n\t *\n\t * @param {Object} options Options for the executed command.\n\t * @param {module:engine/model/position~Position} options.position The model position at which\n\t * the new paragraph will be inserted.\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\t\tlet position = options.position;\n\n\t\tmodel.change( writer => {\n\t\t\tconst paragraph = writer.createElement( 'paragraph' );\n\n\t\t\tif ( !model.schema.checkChild( position.parent, paragraph ) ) {\n\t\t\t\tconst allowedParent = model.schema.findAllowedParent( position, paragraph );\n\n\t\t\t\t// It could be there's no ancestor limit that would allow paragraph.\n\t\t\t\t// In theory, \"paragraph\" could be disallowed even in the \"$root\".\n\t\t\t\tif ( !allowedParent ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tposition = writer.split( position, allowedParent ).position;\n\t\t\t}\n\n\t\t\tmodel.insertContent( paragraph, position );\n\n\t\t\twriter.setSelection( paragraph, 'in' );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paragraph/paragraph\n */\n\nimport ParagraphCommand from './paragraphcommand';\nimport InsertParagraphCommand from './insertparagraphcommand';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * The paragraph feature for the editor.\n *\n * It introduces the `<paragraph>` element in the model which renders as a `<p>` element in the DOM and data.\n *\n * It also brings two editors commands:\n *\n * * The {@link module:paragraph/paragraphcommand~ParagraphCommand `'paragraph'`} command that converts all\n * blocks in the model selection into paragraphs.\n * * The {@link module:paragraph/insertparagraphcommand~InsertParagraphCommand `'insertParagraph'`} command\n * that inserts a new paragraph at a specified location in the model.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Paragraph extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Paragraph';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\teditor.commands.add( 'paragraph', new ParagraphCommand( editor ) );\n\t\teditor.commands.add( 'insertParagraph', new InsertParagraphCommand( editor ) );\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'paragraph', { inheritAllFrom: '$block' } );\n\n\t\teditor.conversion.elementToElement( { model: 'paragraph', view: 'p' } );\n\n\t\t// Conversion for paragraph-like elements which has not been converted by any plugin.\n\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t\t\tmodel: ( viewElement, { writer } ) => {\n\t\t\t\tif ( !Paragraph.paragraphLikeElements.has( viewElement.name ) ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\t// Do not auto-paragraph empty elements.\n\t\t\t\tif ( viewElement.isEmpty ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\treturn writer.createElement( 'paragraph' );\n\t\t\t},\n\t\t\tview: /.+/,\n\t\t\tconverterPriority: 'low'\n\t\t} );\n\t}\n}\n\n/**\n * A list of element names which should be treated by the autoparagraphing algorithms as\n * paragraph-like. This means that e.g. the following content:\n *\n *\t\t<h1>Foo</h1>\n *\t\t<table>\n *\t\t\t<tr>\n *\t\t\t\t<td>X</td>\n *\t\t\t\t<td>\n *\t\t\t\t\t<ul>\n *\t\t\t\t\t\t<li>Y</li>\n *\t\t\t\t\t\t<li>Z</li>\n *\t\t\t\t\t</ul>\n *\t\t\t\t</td>\n *\t\t\t</tr>\n *\t\t</table>\n *\n * contains five paragraph-like elements: `<h1>`, two `<td>`s and two `<li>`s.\n * Hence, if none of the features is going to convert those elements the above content will be automatically handled\n * by the paragraph feature and converted to:\n *\n *\t\t<p>Foo</p>\n *\t\t<p>X</p>\n *\t\t<p>Y</p>\n *\t\t<p>Z</p>\n *\n * Note: The `<td>` containing two `<li>` elements was ignored as the innermost paragraph-like elements\n * have a priority upon conversion.\n *\n * @member {Set.<String>} module:paragraph/paragraph~Paragraph.paragraphLikeElements\n */\nParagraph.paragraphLikeElements = new Set( [\n\t'blockquote',\n\t'dd',\n\t'div',\n\t'dt',\n\t'h1',\n\t'h2',\n\t'h3',\n\t'h4',\n\t'h5',\n\t'h6',\n\t'li',\n\t'p',\n\t'td',\n\t'th'\n] );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/headingcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\n/**\n * The heading command. It is used by the {@link module:heading/heading~Heading heading feature} to apply headings.\n *\n * @extends module:core/command~Command\n */\nexport default class HeadingCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor Editor instance.\n\t * @param {Array.<String>} modelElements Names of the element which this command can apply in the model.\n\t */\n\tconstructor( editor, modelElements ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * If the selection starts in a heading (which {@link #modelElements is supported by this command})\n\t\t * the value is set to the name of that heading model element.\n\t\t * It is  set to `false` otherwise.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean|String} #value\n\t\t */\n\n\t\t/**\n\t\t * Set of defined model's elements names that this command support.\n\t\t * See {@link module:heading/heading~HeadingOption}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<String>}\n\t\t */\n\t\tthis.modelElements = modelElements;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst block = first( this.editor.model.document.selection.getSelectedBlocks() );\n\n\t\tthis.value = !!block && this.modelElements.includes( block.name ) && block.name;\n\t\tthis.isEnabled = !!block && this.modelElements.some( heading => checkCanBecomeHeading( block, heading, this.editor.model.schema ) );\n\t}\n\n\t/**\n\t * Executes the command. Applies the heading to the selected blocks or, if the first selected\n\t * block is a heading already, turns selected headings (of this level only) to paragraphs.\n\t *\n\t * @param {Object} options\n\t * @param {String} options.value Name of the element which this command will apply in the model.\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\n\t\tconst modelElement = options.value;\n\n\t\tmodel.change( writer => {\n\t\t\tconst blocks = Array.from( document.selection.getSelectedBlocks() )\n\t\t\t\t.filter( block => {\n\t\t\t\t\treturn checkCanBecomeHeading( block, modelElement, model.schema );\n\t\t\t\t} );\n\n\t\t\tfor ( const block of blocks ) {\n\t\t\t\tif ( !block.is( 'element', modelElement ) ) {\n\t\t\t\t\twriter.rename( block, modelElement );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n\n// Checks whether the given block can be replaced by a specific heading.\n//\n// @private\n// @param {module:engine/model/element~Element} block A block to be tested.\n// @param {module:heading/headingcommand~HeadingCommand#modelElement} heading Command element name in the model.\n// @param {module:engine/model/schema~Schema} schema The schema of the document.\n// @returns {Boolean}\nfunction checkCanBecomeHeading( block, heading, schema ) {\n\treturn schema.checkChild( block.parent, heading ) && !schema.isObject( block );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/headingediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';\nimport HeadingCommand from './headingcommand';\n\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\n\nconst defaultModelElement = 'paragraph';\n\n/**\n * The headings engine feature. It handles switching between block formats &ndash; headings and paragraph.\n * This class represents the engine part of the heading feature. See also {@link module:heading/heading~Heading}.\n * It introduces `heading1`-`headingN` commands which allow to convert paragraphs into headings.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class HeadingEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'HeadingEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'heading', {\n\t\t\toptions: [\n\t\t\t\t{ model: 'paragraph', title: 'Paragraph', class: 'ck-heading_paragraph' },\n\t\t\t\t{ model: 'heading1', view: 'h2', title: 'Heading 1', class: 'ck-heading_heading1' },\n\t\t\t\t{ model: 'heading2', view: 'h3', title: 'Heading 2', class: 'ck-heading_heading2' },\n\t\t\t\t{ model: 'heading3', view: 'h4', title: 'Heading 3', class: 'ck-heading_heading3' }\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Paragraph ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst options = editor.config.get( 'heading.options' );\n\n\t\tconst modelElements = [];\n\n\t\tfor ( const option of options ) {\n\t\t\t// Skip paragraph - it is defined in required Paragraph feature.\n\t\t\tif ( option.model !== defaultModelElement ) {\n\t\t\t\t// Schema.\n\t\t\t\teditor.model.schema.register( option.model, {\n\t\t\t\t\tinheritAllFrom: '$block'\n\t\t\t\t} );\n\n\t\t\t\teditor.conversion.elementToElement( option );\n\n\t\t\t\tmodelElements.push( option.model );\n\t\t\t}\n\t\t}\n\n\t\tthis._addDefaultH1Conversion( editor );\n\n\t\t// Register the heading command for this option.\n\t\teditor.commands.add( 'heading', new HeadingCommand( editor, modelElements ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\t// If the enter command is added to the editor, alter its behavior.\n\t\t// Enter at the end of a heading element should create a paragraph.\n\t\tconst editor = this.editor;\n\t\tconst enterCommand = editor.commands.get( 'enter' );\n\t\tconst options = editor.config.get( 'heading.options' );\n\n\t\tif ( enterCommand ) {\n\t\t\tthis.listenTo( enterCommand, 'afterExecute', ( evt, data ) => {\n\t\t\t\tconst positionParent = editor.model.document.selection.getFirstPosition().parent;\n\t\t\t\tconst isHeading = options.some( option => positionParent.is( 'element', option.model ) );\n\n\t\t\t\tif ( isHeading && !positionParent.is( 'element', defaultModelElement ) && positionParent.childCount === 0 ) {\n\t\t\t\t\tdata.writer.rename( positionParent, defaultModelElement );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Adds default conversion for `h1` -> `heading1` with a low priority.\n\t *\n\t * @private\n\t * @param {module:core/editor/editor~Editor} editor Editor instance on which to add the `h1` conversion.\n\t */\n\t_addDefaultH1Conversion( editor ) {\n\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t\t\tmodel: 'heading1',\n\t\t\tview: 'h1',\n\t\t\t// With a `low` priority, `paragraph` plugin autoparagraphing mechanism is executed. Make sure\n\t\t\t// this listener is called before it. If not, `h1` will be transformed into a paragraph.\n\t\t\tconverterPriority: priorities.get( 'low' ) + 1\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/model\n */\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport { extend } from 'lodash-es';\n\n/**\n * The base MVC model class.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Model {\n\t/**\n\t * Creates a new Model instance.\n\t *\n\t * @param {Object} [attributes] The model state attributes to be defined during the instance creation.\n\t * @param {Object} [properties] The (out of state) properties to be appended to the instance during creation.\n\t */\n\tconstructor( attributes, properties ) {\n\t\t// Extend this instance with the additional (out of state) properties.\n\t\tif ( properties ) {\n\t\t\textend( this, properties );\n\t\t}\n\n\t\t// Initialize the attributes.\n\t\tif ( attributes ) {\n\t\t\tthis.set( attributes );\n\t\t}\n\t}\n}\n\nmix( Model, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/headingui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Model from '@ckeditor/ckeditor5-ui/src/model';\n\nimport { createDropdown, addListToDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';\nimport { getLocalizedOptions } from './utils';\n\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\n\nimport '../theme/heading.css';\n\n/**\n * The headings UI feature. It introduces the `headings` dropdown.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class HeadingUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst options = getLocalizedOptions( editor );\n\t\tconst defaultTitle = t( 'Choose heading' );\n\t\tconst dropdownTooltip = t( 'Heading' );\n\n\t\t// Register UI component.\n\t\teditor.ui.componentFactory.add( 'heading', locale => {\n\t\t\tconst titles = {};\n\t\t\tconst itemDefinitions = new Collection();\n\n\t\t\tconst headingCommand = editor.commands.get( 'heading' );\n\t\t\tconst paragraphCommand = editor.commands.get( 'paragraph' );\n\n\t\t\tconst commands = [ headingCommand ];\n\n\t\t\tfor ( const option of options ) {\n\t\t\t\tconst def = {\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: new Model( {\n\t\t\t\t\t\tlabel: option.title,\n\t\t\t\t\t\tclass: option.class,\n\t\t\t\t\t\twithText: true\n\t\t\t\t\t} )\n\t\t\t\t};\n\n\t\t\t\tif ( option.model === 'paragraph' ) {\n\t\t\t\t\tdef.model.bind( 'isOn' ).to( paragraphCommand, 'value' );\n\t\t\t\t\tdef.model.set( 'commandName', 'paragraph' );\n\t\t\t\t\tcommands.push( paragraphCommand );\n\t\t\t\t} else {\n\t\t\t\t\tdef.model.bind( 'isOn' ).to( headingCommand, 'value', value => value === option.model );\n\t\t\t\t\tdef.model.set( {\n\t\t\t\t\t\tcommandName: 'heading',\n\t\t\t\t\t\tcommandValue: option.model\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t\t// Add the option to the collection.\n\t\t\t\titemDefinitions.add( def );\n\n\t\t\t\ttitles[ option.model ] = option.title;\n\t\t\t}\n\n\t\t\tconst dropdownView = createDropdown( locale );\n\t\t\taddListToDropdown( dropdownView, itemDefinitions );\n\n\t\t\tdropdownView.buttonView.set( {\n\t\t\t\tisOn: false,\n\t\t\t\twithText: true,\n\t\t\t\ttooltip: dropdownTooltip\n\t\t\t} );\n\n\t\t\tdropdownView.extendTemplate( {\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: [\n\t\t\t\t\t\t'ck-heading-dropdown'\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tdropdownView.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => {\n\t\t\t\treturn areEnabled.some( isEnabled => isEnabled );\n\t\t\t} );\n\n\t\t\tdropdownView.buttonView.bind( 'label' ).to( headingCommand, 'value', paragraphCommand, 'value', ( value, para ) => {\n\t\t\t\tconst whichModel = value || para && 'paragraph';\n\t\t\t\t// If none of the commands is active, display default title.\n\t\t\t\treturn titles[ whichModel ] ? titles[ whichModel ] : defaultTitle;\n\t\t\t} );\n\n\t\t\t// Execute command when an item from the dropdown is selected.\n\t\t\tthis.listenTo( dropdownView, 'execute', evt => {\n\t\t\t\teditor.execute( evt.source.commandName, evt.source.commandValue ? { value: evt.source.commandValue } : undefined );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn dropdownView;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/utils\n */\n\n/**\n * Returns heading options as defined in `config.heading.options` but processed to consider\n * the editor localization, i.e. to display {@link module:heading/heading~HeadingOption}\n * in the correct language.\n *\n * Note: The reason behind this method is that there is no way to use {@link module:utils/locale~Locale#t}\n * when the user configuration is defined because the editor does not exist yet.\n *\n * @param {module:core/editor/editor~Editor} editor\n * @returns {Array.<module:heading/heading~HeadingOption>}.\n */\nexport function getLocalizedOptions( editor ) {\n\tconst t = editor.t;\n\tconst localizedTitles = {\n\t\tParagraph: t( 'Paragraph' ),\n\t\t'Heading 1': t( 'Heading 1' ),\n\t\t'Heading 2': t( 'Heading 2' ),\n\t\t'Heading 3': t( 'Heading 3' ),\n\t\t'Heading 4': t( 'Heading 4' ),\n\t\t'Heading 5': t( 'Heading 5' ),\n\t\t'Heading 6': t( 'Heading 6' )\n\t};\n\n\treturn editor.config.get( 'heading.options' ).map( option => {\n\t\tconst title = localizedTitles[ option.title ];\n\n\t\tif ( title && title != option.title ) {\n\t\t\toption.title = title;\n\t\t}\n\n\t\treturn option;\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/imageloadobserver\n */\n\nimport Observer from '@ckeditor/ckeditor5-engine/src/view/observer/observer';\n\n/**\n * Observes all new images added to the {@link module:engine/view/document~Document},\n * fires {@link module:engine/view/document~Document#event:imageLoaded} and\n * {@link module:engine/view/document~Document#event:layoutChanged} event every time when the new image\n * has been loaded.\n *\n * **Note:** This event is not fired for images that has been added to the document and rendered as `complete` (already loaded).\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class ImageLoadObserver extends Observer {\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve( domRoot ) {\n\t\tthis.listenTo( domRoot, 'load', ( event, domEvent ) => {\n\t\t\tconst domElement = domEvent.target;\n\n\t\t\tif ( this.checkShouldIgnoreEventFromTarget( domElement ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( domElement.tagName == 'IMG' ) {\n\t\t\t\tthis._fireEvents( domEvent );\n\t\t\t}\n\t\t\t// Use capture phase for better performance (#4504).\n\t\t}, { useCapture: true } );\n\t}\n\n\t/**\n\t * Fires {@link module:engine/view/document~Document#event:layoutChanged} and\n\t * {@link module:engine/view/document~Document#event:imageLoaded}\n\t * if observer {@link #isEnabled is enabled}.\n\t *\n\t * @protected\n\t * @param {Event} domEvent The DOM event.\n\t */\n\t_fireEvents( domEvent ) {\n\t\tif ( this.isEnabled ) {\n\t\t\tthis.document.fire( 'layoutChanged' );\n\t\t\tthis.document.fire( 'imageLoaded', domEvent );\n\t\t}\n\t}\n}\n\n/**\n * Fired when an <img/> DOM element has been loaded in the DOM root.\n *\n * Introduced by {@link module:image/image/imageloadobserver~ImageLoadObserver}.\n *\n * @see module:image/image/imageloadobserver~ImageLoadObserver\n * @event module:engine/view/document~Document#event:imageLoaded\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/converters\n */\n\nimport first from '@ckeditor/ckeditor5-utils/src/first';\nimport { getViewImgFromWidget } from './utils';\n\n/**\n * Returns a function that converts the image view representation:\n *\n *\t\t<figure class=\"image\"><img src=\"...\" alt=\"...\"></img></figure>\n *\n * to the model representation:\n *\n *\t\t<image src=\"...\" alt=\"...\"></image>\n *\n * The entire content of the `<figure>` element except the first `<img>` is being converted as children\n * of the `<image>` model element.\n *\n * @returns {Function}\n */\nexport function viewFigureToModel() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:figure', converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\t// Do not convert if this is not an \"image figure\".\n\t\tif ( !conversionApi.consumable.test( data.viewItem, { name: true, classes: 'image' } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Find an image element inside the figure element.\n\t\tconst viewImage = getViewImgFromWidget( data.viewItem );\n\n\t\t// Do not convert if image element is absent, is missing src attribute or was already converted.\n\t\tif ( !viewImage || !viewImage.hasAttribute( 'src' ) || !conversionApi.consumable.test( viewImage, { name: true } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Convert view image to model image.\n\t\tconst conversionResult = conversionApi.convertItem( viewImage, data.modelCursor );\n\n\t\t// Get image element from conversion result.\n\t\tconst modelImage = first( conversionResult.modelRange.getItems() );\n\n\t\t// When image wasn't successfully converted then finish conversion.\n\t\tif ( !modelImage ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Convert rest of the figure element's children as an image children.\n\t\tconversionApi.convertChildren( data.viewItem, modelImage );\n\n\t\tconversionApi.updateConversionResult( modelImage, data );\n\t}\n}\n\n/**\n * Converter used to convert the `srcset` model image attribute to the `srcset`, `sizes` and `width` attributes in the view.\n *\n * @returns {Function}\n */\nexport function srcsetAttributeConverter() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'attribute:srcset:image', converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst writer = conversionApi.writer;\n\t\tconst figure = conversionApi.mapper.toViewElement( data.item );\n\t\tconst img = getViewImgFromWidget( figure );\n\n\t\tif ( data.attributeNewValue === null ) {\n\t\t\tconst srcset = data.attributeOldValue;\n\n\t\t\tif ( srcset.data ) {\n\t\t\t\twriter.removeAttribute( 'srcset', img );\n\t\t\t\twriter.removeAttribute( 'sizes', img );\n\n\t\t\t\tif ( srcset.width ) {\n\t\t\t\t\twriter.removeAttribute( 'width', img );\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tconst srcset = data.attributeNewValue;\n\n\t\t\tif ( srcset.data ) {\n\t\t\t\twriter.setAttribute( 'srcset', srcset.data, img );\n\t\t\t\t// Always outputting `100vw`. See https://github.com/ckeditor/ckeditor5-image/issues/2.\n\t\t\t\twriter.setAttribute( 'sizes', '100vw', img );\n\n\t\t\t\tif ( srcset.width ) {\n\t\t\t\t\twriter.setAttribute( 'width', srcset.width, img );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n\nexport function modelToViewAttributeConverter( attributeKey ) {\n\treturn dispatcher => {\n\t\tdispatcher.on( `attribute:${ attributeKey }:image`, converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst figure = conversionApi.mapper.toViewElement( data.item );\n\t\tconst img = getViewImgFromWidget( figure );\n\n\t\tviewWriter.setAttribute( data.attributeKey, data.attributeNewValue || '', img );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { insertImage, isImageAllowed } from './utils';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\n/**\n * @module image/image/imageinsertcommand\n */\n\n/**\n * Insert image command.\n *\n * The command is registered by the {@link module:image/image/imageediting~ImageEditing} plugin as `'imageInsert'`.\n *\n * In order to insert an image at the current selection position\n * (according to the {@link module:widget/utils~findOptimalInsertionPosition} algorithm),\n * execute the command and specify the image source:\n *\n *\t\teditor.execute( 'imageInsert', { source: 'http://url.to.the/image' } );\n *\n * It is also possible to insert multiple images at once:\n *\n *\t\teditor.execute( 'imageInsert', {\n *\t\t\tsource:  [\n *\t\t\t\t'path/to/image.jpg',\n *\t\t\t\t'path/to/other-image.jpg'\n *\t\t\t]\n *\t\t} );\n *\n * @extends module:core/command~Command\n */\nexport default class ImageInsertCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = isImageAllowed( this.editor.model );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} options Options for the executed command.\n\t * @param {String|Array.<String>} options.source The image source or an array of image sources to insert.\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\n\t\tfor ( const src of toArray( options.source ) ) {\n\t\t\tinsertImage( model, { src } );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/imageediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageLoadObserver from './imageloadobserver';\n\nimport {\n\tviewFigureToModel,\n\tmodelToViewAttributeConverter,\n\tsrcsetAttributeConverter\n} from './converters';\n\nimport { toImageWidget } from './utils';\n\nimport ImageInsertCommand from './imageinsertcommand';\n\n/**\n * The image engine plugin.\n *\n * It registers:\n *\n * * `<image>` as a block element in the document schema, and allows `alt`, `src` and `srcset` attributes.\n * * converters for editing and data pipelines.\n * * `'imageInsert'` command.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst t = editor.t;\n\t\tconst conversion = editor.conversion;\n\n\t\t// See https://github.com/ckeditor/ckeditor5-image/issues/142.\n\t\teditor.editing.view.addObserver( ImageLoadObserver );\n\n\t\t// Configure schema.\n\t\tschema.register( 'image', {\n\t\t\tisObject: true,\n\t\t\tisBlock: true,\n\t\t\tallowWhere: '$block',\n\t\t\tallowAttributes: [ 'alt', 'src', 'srcset' ]\n\t\t} );\n\n\t\tconversion.for( 'dataDowncast' ).elementToElement( {\n\t\t\tmodel: 'image',\n\t\t\tview: ( modelElement, { writer } ) => createImageViewElement( writer )\n\t\t} );\n\n\t\tconversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'image',\n\t\t\tview: ( modelElement, { writer } ) => toImageWidget( createImageViewElement( writer ), writer, t( 'image widget' ) )\n\t\t} );\n\n\t\tconversion.for( 'downcast' )\n\t\t\t.add( modelToViewAttributeConverter( 'src' ) )\n\t\t\t.add( modelToViewAttributeConverter( 'alt' ) )\n\t\t\t.add( srcsetAttributeConverter() );\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'img',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tsrc: true\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\tmodel: ( viewImage, { writer } ) => writer.createElement( 'image', { src: viewImage.getAttribute( 'src' ) } )\n\t\t\t} )\n\t\t\t.attributeToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'img',\n\t\t\t\t\tkey: 'alt'\n\t\t\t\t},\n\t\t\t\tmodel: 'alt'\n\t\t\t} )\n\t\t\t.attributeToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'img',\n\t\t\t\t\tkey: 'srcset'\n\t\t\t\t},\n\t\t\t\tmodel: {\n\t\t\t\t\tkey: 'srcset',\n\t\t\t\t\tvalue: viewImage => {\n\t\t\t\t\t\tconst value = {\n\t\t\t\t\t\t\tdata: viewImage.getAttribute( 'srcset' )\n\t\t\t\t\t\t};\n\n\t\t\t\t\t\tif ( viewImage.hasAttribute( 'width' ) ) {\n\t\t\t\t\t\t\tvalue.width = viewImage.getAttribute( 'width' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\treturn value;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} )\n\t\t\t.add( viewFigureToModel() );\n\n\t\teditor.commands.add( 'imageInsert', new ImageInsertCommand( editor ) );\n\t}\n}\n\n// Creates a view element representing the image.\n//\n//\t\t<figure class=\"image\"><img></img></figure>\n//\n// Note that `alt` and `src` attributes are converted separately, so they are not included.\n//\n// @private\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @returns {module:engine/view/containerelement~ContainerElement}\nexport function createImageViewElement( writer ) {\n\tconst emptyElement = writer.createEmptyElement( 'img' );\n\tconst figure = writer.createContainerElement( 'figure', { class: 'image' } );\n\n\twriter.insert( writer.createPositionAt( figure, 0 ), emptyElement );\n\n\treturn figure;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative/imagetextalternativecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { isImage } from '../image/utils';\n\n/**\n * The image text alternative command. It is used to change the `alt` attribute of `<image>` elements.\n *\n * @extends module:core/command~Command\n */\nexport default class ImageTextAlternativeCommand extends Command {\n\t/**\n\t * The command value: `false` if there is no `alt` attribute, otherwise the value of the `alt` attribute.\n\t *\n\t * @readonly\n\t * @observable\n\t * @member {String|Boolean} #value\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst element = this.editor.model.document.selection.getSelectedElement();\n\n\t\tthis.isEnabled = isImage( element );\n\n\t\tif ( isImage( element ) && element.hasAttribute( 'alt' ) ) {\n\t\t\tthis.value = element.getAttribute( 'alt' );\n\t\t} else {\n\t\t\tthis.value = false;\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} options\n\t * @param {String} options.newValue The new value of the `alt` attribute to set.\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\t\tconst imageElement = model.document.selection.getSelectedElement();\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setAttribute( 'alt', options.newValue, imageElement );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative/imagetextalternativeediting\n */\n\nimport ImageTextAlternativeCommand from './imagetextalternativecommand';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * The image text alternative editing plugin.\n *\n * Registers the `'imageTextAlternative'` command.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageTextAlternativeEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageTextAlternativeEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tthis.editor.commands.add( 'imageTextAlternative', new ImageTextAlternativeCommand( this.editor ) );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/label/labelview\n */\n\nimport View from '../view';\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\n\nimport '../../theme/components/label/label.css';\n\n/**\n * The label view class.\n *\n * @extends module:ui/view~View\n */\nexport default class LabelView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The text of the label.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #text\n\t\t */\n\t\tthis.set( 'text' );\n\n\t\t/**\n\t\t * The `for` attribute of the label (i.e. to pair with an `<input>` element).\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #for\n\t\t */\n\t\tthis.set( 'for' );\n\n\t\t/**\n\t\t * An unique id of the label. It can be used by other UI components to reference\n\t\t * the label, for instance, using the `aria-describedby` DOM attribute.\n\t\t *\n\t\t * @member {String} #id\n\t\t */\n\t\tthis.id = `ck-editor__label_${ uid() }`;\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'label',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-label'\n\t\t\t\t],\n\t\t\t\tid: this.id,\n\t\t\t\tfor: bind.to( 'for' )\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttext: bind.to( 'text' )\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/labeledfield/labeledfieldview\n */\n\nimport View from '../view';\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\nimport LabelView from '../label/labelview';\nimport '../../theme/components/labeledfield/labeledfieldview.css';\n\n/**\n * The labeled field view class. It can be used to enhance any view with the following features:\n *\n * * a label,\n * * (optional) an error message,\n * * (optional) an info (status) text,\n *\n * all bound logically by proper DOM attributes for UX and accessibility.  It also provides an interface\n * (e.g. observable properties) that allows controlling those additional features.\n *\n * The constructor of this class requires a callback that returns a view to be labeled. The callback\n * is called with unique ids that allow binding of DOM properties:\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, ( labeledFieldView, viewUid, statusUid ) => {\n *\t\t\tconst inputView = new InputTextView( labeledFieldView.locale );\n *\n *\t\t\tinputView.set( {\n *\t\t\t\tid: viewUid,\n *\t\t\t\tariaDescribedById: statusUid\n *\t\t\t} );\n *\n *\t\t\tinputView.bind( 'isReadOnly' ).to( labeledFieldView, 'isEnabled', value => !value );\n *\t\t\tinputView.bind( 'hasError' ).to( labeledFieldView, 'errorText', value => !!value );\n *\n *\t\t\treturn inputView;\n *\t\t} );\n *\n *\t\tlabeledInputView.label = 'User name';\n *\t\tlabeledInputView.infoText = 'Full name like for instance, John Doe.';\n *\t\tlabeledInputView.render();\n *\n *\t\tdocument.body.append( labeledInputView.element );\n *\n * See {@link module:ui/labeledfield/utils} to discover ready–to–use labeled input helpers for common\n * UI components.\n *\n * @extends module:ui/view~View\n */\nexport default class LabeledFieldView extends View {\n\t/**\n\t * Creates an instance of the labeled field view class using a provided creator function\n\t * that provides the view to be labeled.\n\t *\n\t * @param {module:utils/locale~Locale} locale The locale instance.\n\t * @param {Function} viewCreator A function that returns a {@link module:ui/view~View}\n\t * that will be labeled. The following arguments are passed to the creator function:\n\t *\n\t * * an instance of the `LabeledFieldView` to allow binding observable properties,\n\t * * an UID string that connects the {@link #labelView label} and the labeled field view in DOM,\n\t * * an UID string that connects the {@link #statusView status} and the labeled field view in DOM.\n\t */\n\tconstructor( locale, viewCreator ) {\n\t\tsuper( locale );\n\n\t\tconst viewUid = `ck-labeled-field-view-${ uid() }`;\n\t\tconst statusUid = `ck-labeled-field-view-status-${ uid() }`;\n\n\t\t/**\n\t\t * The field view that gets labeled.\n\t\t *\n\t\t * @member {module:ui/view~View} #fieldView\n\t\t */\n\t\tthis.fieldView = viewCreator( this, viewUid, statusUid );\n\n\t\t/**\n\t\t * The text of the label.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #label\n\t\t */\n\t\tthis.set( 'label' );\n\n\t\t/**\n\t\t * Controls whether the component is in read-only mode.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\t/**\n\t\t * An observable flag set to `true` when {@link #fieldView} is empty (`false` otherwise).\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isEmpty\n\t\t * @default true\n\t\t */\n\t\tthis.set( 'isEmpty', true );\n\n\t\t/**\n\t\t * An observable flag set to `true` when {@link #fieldView} is currently focused by\n\t\t * the user (`false` otherwise).\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t * @default false\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * The validation error text. When set, it will be displayed\n\t\t * next to the {@link #fieldView} as a typical validation error message.\n\t\t * Set it to `null` to hide the message.\n\t\t *\n\t\t * **Note:** Setting this property to anything but `null` will automatically\n\t\t * make the `hasError` of the {@link #fieldView} `true`.\n\t\t *\n\t\t * @observable\n\t\t * @member {String|null} #errorText\n\t\t */\n\t\tthis.set( 'errorText', null );\n\n\t\t/**\n\t\t * The additional information text displayed next to the {@link #fieldView} which can\n\t\t * be used to inform the user about its purpose, provide help or hints.\n\t\t *\n\t\t * Set it to `null` to hide the message.\n\t\t *\n\t\t * **Note:** This text will be displayed in the same place as {@link #errorText} but the\n\t\t * latter always takes precedence: if the {@link #errorText} is set, it replaces\n\t\t * {@link #infoText}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String|null} #infoText\n\t\t * @default null\n\t\t */\n\t\tthis.set( 'infoText', null );\n\n\t\t/**\n\t\t * (Optional) The additional CSS class set on the dropdown {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class' );\n\n\t\t/**\n\t\t * The content of the `placeholder` attribute of the {@link #fieldView}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #placeholder\n\t\t */\n\t\tthis.set( 'placeholder' );\n\n\t\t/**\n\t\t * The label view instance that describes the entire view.\n\t\t *\n\t\t * @member {module:ui/label/labelview~LabelView} #labelView\n\t\t */\n\t\tthis.labelView = this._createLabelView( viewUid );\n\n\t\t/**\n\t\t * The status view for the {@link #fieldView}. It displays {@link #errorText} and\n\t\t * {@link #infoText}.\n\t\t *\n\t\t * @member {module:ui/view~View} #statusView\n\t\t */\n\t\tthis.statusView = this._createStatusView( statusUid );\n\n\t\t/**\n\t\t * The combined status text made of {@link #errorText} and {@link #infoText}.\n\t\t * Note that when present, {@link #errorText} always takes precedence in the\n\t\t * status.\n\t\t *\n\t\t * @see #errorText\n\t\t * @see #infoText\n\t\t * @see #statusView\n\t\t * @private\n\t\t * @observable\n\t\t * @member {String|null} #_statusText\n\t\t */\n\t\tthis.bind( '_statusText' ).to(\n\t\t\tthis, 'errorText',\n\t\t\tthis, 'infoText',\n\t\t\t( errorText, infoText ) => errorText || infoText\n\t\t);\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-labeled-field-view',\n\t\t\t\t\tbind.to( 'class' ),\n\t\t\t\t\tbind.if( 'isEnabled', 'ck-disabled', value => !value ),\n\t\t\t\t\tbind.if( 'isEmpty', 'ck-labeled-field-view_empty' ),\n\t\t\t\t\tbind.if( 'isFocused', 'ck-labeled-field-view_focused' ),\n\t\t\t\t\tbind.if( 'placeholder', 'ck-labeled-field-view_placeholder' ),\n\t\t\t\t\tbind.if( 'errorText', 'ck-error' )\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t\t'ck-labeled-field-view__input-wrapper'\n\t\t\t\t\t\t]\n\t\t\t\t\t},\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tthis.fieldView,\n\t\t\t\t\t\tthis.labelView\n\t\t\t\t\t]\n\t\t\t\t},\n\t\t\t\tthis.statusView\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * Creates label view class instance and bind with view.\n\t *\n\t * @private\n\t * @param {String} id Unique id to set as labelView#for attribute.\n\t * @returns {module:ui/label/labelview~LabelView}\n\t */\n\t_createLabelView( id ) {\n\t\tconst labelView = new LabelView( this.locale );\n\n\t\tlabelView.for = id;\n\t\tlabelView.bind( 'text' ).to( this, 'label' );\n\n\t\treturn labelView;\n\t}\n\n\t/**\n\t * Creates the status view instance. It displays {@link #errorText} and {@link #infoText}\n\t * next to the {@link #fieldView}. See {@link #_statusText}.\n\t *\n\t * @private\n\t * @param {String} statusUid Unique id of the status, shared with the {@link #fieldView view's}\n\t * `aria-describedby` attribute.\n\t * @returns {module:ui/view~View}\n\t */\n\t_createStatusView( statusUid ) {\n\t\tconst statusView = new View( this.locale );\n\t\tconst bind = this.bindTemplate;\n\n\t\tstatusView.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-labeled-field-view__status',\n\t\t\t\t\tbind.if( 'errorText', 'ck-labeled-field-view__status_error' ),\n\t\t\t\t\tbind.if( '_statusText', 'ck-hidden', value => !value )\n\t\t\t\t],\n\t\t\t\tid: statusUid,\n\t\t\t\trole: bind.if( 'errorText', 'alert' )\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttext: bind.to( '_statusText' )\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\treturn statusView;\n\t}\n\n\t/**\n\t * Focuses the {@link #fieldView}.\n\t */\n\tfocus() {\n\t\tthis.fieldView.focus();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/inputtext/inputtextview\n */\n\nimport View from '../view';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport '../../theme/components/inputtext/inputtext.css';\n\n/**\n * The text input view class.\n *\n * @extends module:ui/view~View\n */\nexport default class InputTextView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The value of the input.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #value\n\t\t */\n\t\tthis.set( 'value' );\n\n\t\t/**\n\t\t * The `id` attribute of the input (i.e. to pair with a `<label>` element).\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #id\n\t\t */\n\t\tthis.set( 'id' );\n\n\t\t/**\n\t\t * The `placeholder` attribute of the input.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #placeholder\n\t\t */\n\t\tthis.set( 'placeholder' );\n\n\t\t/**\n\t\t * Controls whether the input view is in read-only mode.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isReadOnly\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * Set to `true` when the field has some error. Usually controlled via\n\t\t * {@link module:ui/labeledinput/labeledinputview~LabeledInputView#errorText}.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #hasError\n\t\t */\n\t\tthis.set( 'hasError', false );\n\n\t\t/**\n\t\t * The `id` of the element describing this field, e.g. when it has\n\t\t * some error, it helps screen readers read the error text.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #ariaDescribedById\n\t\t */\n\t\tthis.set( 'ariaDescribedById' );\n\n\t\t/**\n\t\t * Stores information about the editor UI focus and propagates it so various plugins and components\n\t\t * are unified as a focus group.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker} #focusTracker\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An observable flag set to `true` when the input is currently focused by the user.\n\t\t * Set to `false` otherwise.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t * @default false\n\t\t */\n\t\tthis.bind( 'isFocused' ).to( this.focusTracker );\n\n\t\t/**\n\t\t * An observable flag set to `true` when the input contains no text, i.e.\n\t\t * when {@link #value} is `''`, `null`, or `false`.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isEmpty\n\t\t * @default true\n\t\t */\n\t\tthis.set( 'isEmpty', true );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'input',\n\t\t\tattributes: {\n\t\t\t\ttype: 'text',\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-input',\n\t\t\t\t\t'ck-input-text',\n\t\t\t\t\tbind.if( 'isFocused', 'ck-input_focused' ),\n\t\t\t\t\tbind.if( 'isEmpty', 'ck-input-text_empty' ),\n\t\t\t\t\tbind.if( 'hasError', 'ck-error' )\n\t\t\t\t],\n\t\t\t\tid: bind.to( 'id' ),\n\t\t\t\tplaceholder: bind.to( 'placeholder' ),\n\t\t\t\treadonly: bind.to( 'isReadOnly' ),\n\t\t\t\t'aria-invalid': bind.if( 'hasError', true ),\n\t\t\t\t'aria-describedby': bind.to( 'ariaDescribedById' )\n\t\t\t},\n\t\t\ton: {\n\t\t\t\tinput: bind.to( 'input' ),\n\t\t\t\tchange: bind.to( this._updateIsEmpty.bind( this ) )\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * Fired when the user types in the input. Corresponds to the native\n\t\t * DOM `input` event.\n\t\t *\n\t\t * @event input\n\t\t */\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.focusTracker.add( this.element );\n\n\t\tthis._setDomElementValue( this.value );\n\t\tthis._updateIsEmpty();\n\n\t\t// Bind `this.value` to the DOM element's value.\n\t\t// We cannot use `value` DOM attribute because removing it on Edge does not clear the DOM element's value property.\n\t\tthis.on( 'change:value', ( evt, name, value ) => {\n\t\t\tthis._setDomElementValue( value );\n\t\t\tthis._updateIsEmpty();\n\t\t} );\n\t}\n\n\t/**\n\t * Moves the focus to the input and selects the value.\n\t */\n\tselect() {\n\t\tthis.element.select();\n\t}\n\n\t/**\n\t * Focuses the input.\n\t */\n\tfocus() {\n\t\tthis.element.focus();\n\t}\n\n\t/**\n\t * Updates the {@link #isEmpty} property value on demand.\n\t *\n\t * @private\n\t */\n\t_updateIsEmpty() {\n\t\tthis.isEmpty = isInputElementEmpty( this.element );\n\t}\n\n\t/**\n\t * Sets the `value` property of the {@link #element DOM element} on demand.\n\t *\n\t * @private\n\t */\n\t_setDomElementValue( value ) {\n\t\tthis.element.value = ( !value && value !== 0 ) ? '' : value;\n\t}\n}\n\nfunction isInputElementEmpty( domElement ) {\n\treturn !domElement.value;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/labeledfield/utils\n */\n\nimport InputTextView from '../inputtext/inputtextview';\nimport { createDropdown } from '../dropdown/utils';\n\n/**\n * A helper for creating labeled inputs.\n *\n * It creates an instance of a {@link module:ui/inputtext/inputtextview~InputTextView input text} that is\n * logically related to a {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView labeled view} in DOM.\n *\n * The helper does the following:\n *\n * * It sets input's `id` and `ariaDescribedById` attributes.\n * * It binds input's `isReadOnly` to the labeled view.\n * * It binds input's `hasError` to the labeled view.\n * * It enables a logic that cleans up the error when user starts typing in the input..\n *\n * Usage:\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, createLabeledDropdown );\n *\t\tconsole.log( labeledInputView.view ); // An input instance.\n *\n * @param {module:ui/labeledfield/labeledfieldview~LabeledFieldView} labeledFieldView The instance of the labeled field view.\n * @param {String} viewUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#labelView labeled view's label} and the input.\n * @param {String} statusUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#statusView labeled view's status} and the input.\n * @returns {module:ui/inputtext/inputtextview~InputTextView} The input text view instance.\n */\nexport function createLabeledInputText( labeledFieldView, viewUid, statusUid ) {\n\tconst inputView = new InputTextView( labeledFieldView.locale );\n\n\tinputView.set( {\n\t\tid: viewUid,\n\t\tariaDescribedById: statusUid\n\t} );\n\n\tinputView.bind( 'isReadOnly' ).to( labeledFieldView, 'isEnabled', value => !value );\n\tinputView.bind( 'hasError' ).to( labeledFieldView, 'errorText', value => !!value );\n\n\tinputView.on( 'input', () => {\n\t\t// UX: Make the error text disappear and disable the error indicator as the user\n\t\t// starts fixing the errors.\n\t\tlabeledFieldView.errorText = null;\n\t} );\n\n\tlabeledFieldView.bind( 'isEmpty', 'isFocused', 'placeholder' ).to( inputView );\n\n\treturn inputView;\n}\n\n/**\n * A helper for creating labeled dropdowns.\n *\n * It creates an instance of a {@link module:ui/dropdown/dropdownview~DropdownView dropdown} that is\n * logically related to a {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView labeled field view}.\n *\n * The helper does the following:\n *\n * * It sets dropdown's `id` and `ariaDescribedById` attributes.\n * * It binds input's `isEnabled` to the labeled view.\n *\n * Usage:\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, createLabeledDropdown );\n *\t\tconsole.log( labeledInputView.view ); // A dropdown instance.\n *\n * @param {module:ui/labeledfield/labeledfieldview~LabeledFieldView} labeledFieldView The instance of the labeled field view.\n * @param {String} viewUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#labelView labeled view label} and the dropdown.\n * @param {String} statusUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#statusView labeled view status} and the dropdown.\n * @returns {module:ui/dropdown/dropdownview~DropdownView} The dropdown view instance.\n */\nexport function createLabeledDropdown( labeledFieldView, viewUid, statusUid ) {\n\tconst dropdownView = createDropdown( labeledFieldView.locale );\n\n\tdropdownView.set( {\n\t\tid: viewUid,\n\t\tariaDescribedById: statusUid\n\t} );\n\n\tdropdownView.bind( 'isEnabled' ).to( labeledFieldView );\n\n\treturn dropdownView;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/bindings/injectcsstransitiondisabler\n */\n\n/**\n * A decorator that brings the possibility to temporarily disable CSS transitions using\n * {@link module:ui/view~View} methods. It is helpful when, for instance, the transitions should not happen\n * when the view is first displayed but they should work normal in other cases.\n *\n * The methods to control the CSS transitions are:\n * * `disableCssTransitions()` – Adds the `.ck-transitions-disabled` class to the\n * {@link module:ui/view~View#element view element}.\n * * `enableCssTransitions()` – Removes the `.ck-transitions-disabled` class from the\n * {@link module:ui/view~View#element view element}.\n *\n * **Note**: This helper extends the {@link module:ui/view~View#template template} and must be used **after**\n * {@link module:ui/view~View#setTemplate} is called:\n *\n *\t\timport injectCssTransitionDisabler from '@ckeditor/ckeditor5-ui/src/bindings/injectcsstransitiondisabler';\n *\n *\t\tclass MyView extends View {\n *\t\t\tconstructor() {\n *\t\t\t\tsuper();\n *\n *\t\t\t\t// ...\n *\n *\t\t\t\tthis.setTemplate( { ... } );\n *\n *\t\t\t\t// ...\n *\n *\t\t\t\tinjectCssTransitionDisabler( this );\n *\n *\t\t\t\t// ...\n *\t\t\t}\n *\t\t}\n *\n * The usage comes down to:\n *\n *\t\tconst view = new MyView();\n *\n *\t\t// ...\n *\n *\t\tview.disableCssTransitions();\n *\t\tview.show();\n *\t\tview.enableCssTransitions();\n *\n * @param {module:ui/view~View} view View instance that should get this functionality.\n */\nexport default function injectCssTransitionDisabler( view ) {\n\tview.set( '_isCssTransitionsDisabled', false );\n\n\tview.disableCssTransitions = () => {\n\t\tview._isCssTransitionsDisabled = true;\n\t};\n\n\tview.enableCssTransitions = () => {\n\t\tview._isCssTransitionsDisabled = false;\n\t};\n\n\tview.extendTemplate( {\n\t\tattributes: {\n\t\t\tclass: [\n\t\t\t\tview.bindTemplate.if( '_isCssTransitionsDisabled', 'ck-transitions-disabled' )\n\t\t\t]\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/bindings/submithandler\n */\n\n/**\n * A handler useful for {@link module:ui/view~View views} working as HTML forms. It intercepts a native DOM\n * `submit` event, prevents the default web browser behavior (navigation and page reload) and\n * fires the `submit` event on a view instead. Such a custom event can be then used by any\n * {@link module:utils/dom/emittermixin~Emitter emitter}, e.g. to serialize the form data.\n *\n *\t\timport submitHandler from '@ckeditor/ckeditor5-ui/src/bindings/submithandler';\n *\n *\t\t// ...\n *\n *\t\tclass AnyFormView extends View {\n *\t\t\tconstructor() {\n *\t\t\t\tsuper();\n *\n *\t\t\t\t// ...\n *\n *\t\t\t\tsubmitHandler( {\n *\t\t\t\t\tview: this\n *\t\t\t\t} );\n *\t\t\t}\n *\t\t}\n *\n *\t\t// ...\n *\n *\t\tconst view = new AnyFormView();\n *\n *\t\t// A sample listener attached by an emitter working with the view.\n *\t\tthis.listenTo( view, 'submit', () => {\n *\t\t\tsaveTheFormData();\n *\t\t\thideTheForm();\n *\t\t} );\n *\n * @param {Object} [options] Configuration options.\n * @param {module:ui/view~View} options.view The view which DOM `submit` events should be handled.\n */\nexport default function submitHandler( { view } ) {\n\tview.listenTo( view.element, 'submit', ( evt, domEvt ) => {\n\t\tdomEvt.preventDefault();\n\t\tview.fire( 'submit' );\n\t}, { useCapture: true } );\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative/ui/textalternativeformview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\nimport ViewCollection from '@ckeditor/ckeditor5-ui/src/viewcollection';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport LabeledFieldView from '@ckeditor/ckeditor5-ui/src/labeledfield/labeledfieldview';\nimport { createLabeledInputText } from '@ckeditor/ckeditor5-ui/src/labeledfield/utils';\nimport injectCssTransitionDisabler from '@ckeditor/ckeditor5-ui/src/bindings/injectcsstransitiondisabler';\n\nimport submitHandler from '@ckeditor/ckeditor5-ui/src/bindings/submithandler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '@ckeditor/ckeditor5-ui/src/focuscycler';\n\nimport checkIcon from '@ckeditor/ckeditor5-core/theme/icons/check.svg';\nimport cancelIcon from '@ckeditor/ckeditor5-core/theme/icons/cancel.svg';\nimport '../../../theme/textalternativeform.css';\nimport '@ckeditor/ckeditor5-ui/theme/components/responsive-form/responsiveform.css';\n\n/**\n * The TextAlternativeFormView class.\n *\n * @extends module:ui/view~View\n */\nexport default class TextAlternativeFormView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst t = this.locale.t;\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * An input with a label.\n\t\t *\n\t\t * @member {module:ui/labeledfield/labeledfieldview~LabeledFieldView} #labeledInput\n\t\t */\n\t\tthis.labeledInput = this._createLabeledInputView();\n\n\t\t/**\n\t\t * A button used to submit the form.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView} #saveButtonView\n\t\t */\n\t\tthis.saveButtonView = this._createButton( t( 'Save' ), checkIcon, 'ck-button-save' );\n\t\tthis.saveButtonView.type = 'submit';\n\n\t\t/**\n\t\t * A button used to cancel the form.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView} #cancelButtonView\n\t\t */\n\t\tthis.cancelButtonView = this._createButton( t( 'Cancel' ), cancelIcon, 'ck-button-cancel', 'cancel' );\n\n\t\t/**\n\t\t * A collection of views which can be focused in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate form fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate form fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'form',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-text-alternative-form',\n\t\t\t\t\t'ck-responsive-form'\n\t\t\t\t],\n\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-image/issues/40\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\tthis.labeledInput,\n\t\t\t\tthis.saveButtonView,\n\t\t\t\tthis.cancelButtonView\n\t\t\t]\n\t\t} );\n\n\t\tinjectCssTransitionDisabler( this );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.keystrokes.listenTo( this.element );\n\n\t\tsubmitHandler( { view: this } );\n\n\t\t[ this.labeledInput, this.saveButtonView, this.cancelButtonView ]\n\t\t\t.forEach( v => {\n\t\t\t\t// Register the view as focusable.\n\t\t\t\tthis._focusables.add( v );\n\n\t\t\t\t// Register the view in the focus tracker.\n\t\t\t\tthis.focusTracker.add( v.element );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Creates the button view.\n\t *\n\t * @private\n\t * @param {String} label The button label\n\t * @param {String} icon The button's icon.\n\t * @param {String} className The additional button CSS class name.\n\t * @param {String} [eventName] The event name that the ButtonView#execute event will be delegated to.\n\t * @returns {module:ui/button/buttonview~ButtonView} The button view instance.\n\t */\n\t_createButton( label, icon, className, eventName ) {\n\t\tconst button = new ButtonView( this.locale );\n\n\t\tbutton.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\tbutton.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: className\n\t\t\t}\n\t\t} );\n\n\t\tif ( eventName ) {\n\t\t\tbutton.delegate( 'execute' ).to( this, eventName );\n\t\t}\n\n\t\treturn button;\n\t}\n\n\t/**\n\t * Creates an input with a label.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView} Labeled field view instance.\n\t */\n\t_createLabeledInputView() {\n\t\tconst t = this.locale.t;\n\t\tconst labeledInput = new LabeledFieldView( this.locale, createLabeledInputText );\n\n\t\tlabeledInput.label = t( 'Text alternative' );\n\n\t\treturn labeledInput;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/ui/utils\n */\n\nimport BalloonPanelView from '@ckeditor/ckeditor5-ui/src/panel/balloon/balloonpanelview';\nimport { getSelectedImageWidget } from '../utils';\n\n/**\n * A helper utility that positions the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} instance\n * with respect to the image in the editor content, if one is selected.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n */\nexport function repositionContextualBalloon( editor ) {\n\tconst balloon = editor.plugins.get( 'ContextualBalloon' );\n\n\tif ( getSelectedImageWidget( editor.editing.view.document.selection ) ) {\n\t\tconst position = getBalloonPositionData( editor );\n\n\t\tballoon.updatePosition( position );\n\t}\n}\n\n/**\n * Returns the positioning options that control the geometry of the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} with respect\n * to the selected element in the editor content.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @returns {module:utils/dom/position~Options}\n */\nexport function getBalloonPositionData( editor ) {\n\tconst editingView = editor.editing.view;\n\tconst defaultPositions = BalloonPanelView.defaultPositions;\n\n\treturn {\n\t\ttarget: editingView.domConverter.viewToDom( editingView.document.selection.getSelectedElement() ),\n\t\tpositions: [\n\t\t\tdefaultPositions.northArrowSouth,\n\t\t\tdefaultPositions.northArrowSouthWest,\n\t\t\tdefaultPositions.northArrowSouthEast,\n\t\t\tdefaultPositions.southArrowNorth,\n\t\t\tdefaultPositions.southArrowNorthWest,\n\t\t\tdefaultPositions.southArrowNorthEast\n\t\t]\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative/imagetextalternativeui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport clickOutsideHandler from '@ckeditor/ckeditor5-ui/src/bindings/clickoutsidehandler';\nimport TextAlternativeFormView from './ui/textalternativeformview';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\nimport textAlternativeIcon from '@ckeditor/ckeditor5-core/theme/icons/low-vision.svg';\nimport { repositionContextualBalloon, getBalloonPositionData } from '../image/ui/utils';\nimport { getSelectedImageWidget } from '../image/utils';\n\n/**\n * The image text alternative UI plugin.\n *\n * The plugin uses the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageTextAlternativeUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageTextAlternativeUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tthis._createButton();\n\t\tthis._createForm();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed (see ckeditor5#1341).\n\t\tthis._form.destroy();\n\t}\n\n\t/**\n\t * Creates a button showing the balloon panel for changing the image text alternative and\n\t * registers it in the editor {@link module:ui/componentfactory~ComponentFactory ComponentFactory}.\n\t *\n\t * @private\n\t */\n\t_createButton() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\teditor.ui.componentFactory.add( 'imageTextAlternative', locale => {\n\t\t\tconst command = editor.commands.get( 'imageTextAlternative' );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Change image text alternative' ),\n\t\t\t\ticon: textAlternativeIcon,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isEnabled' ).to( command, 'isEnabled' );\n\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\tthis._showForm();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\t/**\n\t * Creates the {@link module:image/imagetextalternative/ui/textalternativeformview~TextAlternativeFormView}\n\t * form.\n\t *\n\t * @private\n\t */\n\t_createForm() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = this.editor.plugins.get( 'ContextualBalloon' );\n\n\t\t/**\n\t\t * A form containing a textarea and buttons, used to change the `alt` text value.\n\t\t *\n\t\t * @member {module:image/imagetextalternative/ui/textalternativeformview~TextAlternativeFormView}\n\t\t */\n\t\tthis._form = new TextAlternativeFormView( editor.locale );\n\n\t\t// Render the form so its #element is available for clickOutsideHandler.\n\t\tthis._form.render();\n\n\t\tthis.listenTo( this._form, 'submit', () => {\n\t\t\teditor.execute( 'imageTextAlternative', {\n\t\t\t\tnewValue: this._form.labeledInput.fieldView.element.value\n\t\t\t} );\n\n\t\t\tthis._hideForm( true );\n\t\t} );\n\n\t\tthis.listenTo( this._form, 'cancel', () => {\n\t\t\tthis._hideForm( true );\n\t\t} );\n\n\t\t// Close the form on Esc key press.\n\t\tthis._form.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._hideForm( true );\n\t\t\tcancel();\n\t\t} );\n\n\t\t// Reposition the balloon or hide the form if an image widget is no longer selected.\n\t\tthis.listenTo( editor.ui, 'update', () => {\n\t\t\tif ( !getSelectedImageWidget( viewDocument.selection ) ) {\n\t\t\t\tthis._hideForm( true );\n\t\t\t} else if ( this._isVisible ) {\n\t\t\t\trepositionContextualBalloon( editor );\n\t\t\t}\n\t\t} );\n\n\t\t// Close on click outside of balloon panel element.\n\t\tclickOutsideHandler( {\n\t\t\temitter: this._form,\n\t\t\tactivator: () => this._isVisible,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideForm()\n\t\t} );\n\t}\n\n\t/**\n\t * Shows the {@link #_form} in the {@link #_balloon}.\n\t *\n\t * @private\n\t */\n\t_showForm() {\n\t\tif ( this._isVisible ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\t\tconst command = editor.commands.get( 'imageTextAlternative' );\n\t\tconst labeledInput = this._form.labeledInput;\n\n\t\tthis._form.disableCssTransitions();\n\n\t\tif ( !this._isInBalloon ) {\n\t\t\tthis._balloon.add( {\n\t\t\t\tview: this._form,\n\t\t\t\tposition: getBalloonPositionData( editor )\n\t\t\t} );\n\t\t}\n\n\t\t// Make sure that each time the panel shows up, the field remains in sync with the value of\n\t\t// the command. If the user typed in the input, then canceled the balloon (`labeledInput#value`\n\t\t// stays unaltered) and re-opened it without changing the value of the command, they would see the\n\t\t// old value instead of the actual value of the command.\n\t\t// https://github.com/ckeditor/ckeditor5-image/issues/114\n\t\tlabeledInput.fieldView.value = labeledInput.fieldView.element.value = command.value || '';\n\n\t\tthis._form.labeledInput.fieldView.select();\n\n\t\tthis._form.enableCssTransitions();\n\t}\n\n\t/**\n\t * Removes the {@link #_form} from the {@link #_balloon}.\n\t *\n\t * @param {Boolean} [focusEditable=false] Controls whether the editing view is focused afterwards.\n\t * @private\n\t */\n\t_hideForm( focusEditable ) {\n\t\tif ( !this._isInBalloon ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Blur the input element before removing it from DOM to prevent issues in some browsers.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1501.\n\t\tif ( this._form.focusTracker.isFocused ) {\n\t\t\tthis._form.saveButtonView.focus();\n\t\t}\n\n\t\tthis._balloon.remove( this._form );\n\n\t\tif ( focusEditable ) {\n\t\t\tthis.editor.editing.view.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #_form} is the visible view in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isVisible() {\n\t\treturn this._balloon.visibleView === this._form;\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #_form} is in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isInBalloon() {\n\t\treturn this._balloon.hasView( this._form );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21l-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageTextAlternativeEditing from './imagetextalternative/imagetextalternativeediting';\nimport ImageTextAlternativeUI from './imagetextalternative/imagetextalternativeui';\n\n/**\n * The image text alternative plugin.\n *\n * For a detailed overview, check the {@glink features/image#image-styles image styles} documentation.\n *\n * This is a \"glue\" plugin which loads the\n *  {@link module:image/imagetextalternative/imagetextalternativeediting~ImageTextAlternativeEditing}\n * and {@link module:image/imagetextalternative/imagetextalternativeui~ImageTextAlternativeUI} plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageTextAlternative extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageTextAlternativeEditing, ImageTextAlternativeUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageTextAlternative';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagecaption/utils\n */\n\nimport { enablePlaceholder } from '@ckeditor/ckeditor5-engine/src/view/placeholder';\nimport { toWidgetEditable } from '@ckeditor/ckeditor5-widget/src/utils';\n\n/**\n * Returns a function that creates a caption editable element for the given {@link module:engine/view/document~Document}.\n *\n * @param {module:engine/view/view~View} view\n * @param {String} placeholderText The text to be displayed when the caption is empty.\n * @returns {Function}\n */\nexport function captionElementCreator( view, placeholderText ) {\n\treturn writer => {\n\t\tconst editable = writer.createEditableElement( 'figcaption' );\n\t\twriter.setCustomProperty( 'imageCaption', true, editable );\n\n\t\tenablePlaceholder( {\n\t\t\tview,\n\t\t\telement: editable,\n\t\t\ttext: placeholderText\n\t\t} );\n\n\t\treturn toWidgetEditable( editable, writer );\n\t};\n}\n\n/**\n * Returns `true` if a given view element is the image caption editable.\n *\n * @param {module:engine/view/element~Element} viewElement\n * @returns {Boolean}\n */\nexport function isCaption( viewElement ) {\n\treturn !!viewElement.getCustomProperty( 'imageCaption' );\n}\n\n/**\n * Returns the caption model element from a given image element. Returns `null` if no caption is found.\n *\n * @param {module:engine/model/element~Element} imageModelElement\n * @returns {module:engine/model/element~Element|null}\n */\nexport function getCaptionFromImage( imageModelElement ) {\n\tfor ( const node of imageModelElement.getChildren() ) {\n\t\tif ( !!node && node.is( 'element', 'caption' ) ) {\n\t\t\treturn node;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n/**\n * {@link module:engine/view/matcher~Matcher} pattern. Checks if a given element is a `<figcaption>` element that is placed\n * inside the image `<figure>` element.\n *\n * @param {module:engine/view/element~Element} element\n * @returns {Object|null} Returns the object accepted by {@link module:engine/view/matcher~Matcher} or `null` if the element\n * cannot be matched.\n */\nexport function matchImageCaption( element ) {\n\tconst parent = element.parent;\n\n\t// Convert only captions for images.\n\tif ( element.name == 'figcaption' && parent && parent.name == 'figure' && parent.hasClass( 'image' ) ) {\n\t\treturn { name: true };\n\t}\n\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagecaption/imagecaptionediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport { isImage } from '../image/utils';\nimport { captionElementCreator, getCaptionFromImage, matchImageCaption } from './utils';\n\n/**\n * The image caption engine plugin.\n *\n * It registers proper converters. It takes care of adding a caption element if the image without it is inserted\n * to the model document.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageCaptionEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageCaptionEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst schema = editor.model.schema;\n\t\tconst data = editor.data;\n\t\tconst editing = editor.editing;\n\t\tconst t = editor.t;\n\n\t\t/**\n\t\t * The last selected caption editable.\n\t\t * It is used for hiding the editable when it is empty and the image widget is no longer selected.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/editableelement~EditableElement} #_lastSelectedCaption\n\t\t */\n\n\t\t// Schema configuration.\n\t\tschema.register( 'caption', {\n\t\t\tallowIn: 'image',\n\t\t\tallowContentOf: '$block',\n\t\t\tisLimit: true\n\t\t} );\n\n\t\t// Add caption element to each image inserted without it.\n\t\teditor.model.document.registerPostFixer( writer => this._insertMissingModelCaptionElement( writer ) );\n\n\t\t// View to model converter for the data pipeline.\n\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t\t\tview: matchImageCaption,\n\t\t\tmodel: 'caption'\n\t\t} );\n\n\t\t// Model to view converter for the data pipeline.\n\t\tconst createCaptionForData = writer => writer.createContainerElement( 'figcaption' );\n\t\tdata.downcastDispatcher.on( 'insert:caption', captionModelToView( createCaptionForData, false ) );\n\n\t\t// Model to view converter for the editing pipeline.\n\t\tconst createCaptionForEditing = captionElementCreator( view, t( 'Enter image caption' ) );\n\t\tediting.downcastDispatcher.on( 'insert:caption', captionModelToView( createCaptionForEditing ) );\n\n\t\t// Always show caption in view when something is inserted in model.\n\t\tediting.downcastDispatcher.on(\n\t\t\t'insert',\n\t\t\tthis._fixCaptionVisibility( data => data.item ),\n\t\t\t{ priority: 'high' }\n\t\t);\n\n\t\t// Hide caption when everything is removed from it.\n\t\tediting.downcastDispatcher.on( 'remove', this._fixCaptionVisibility( data => data.position.parent ), { priority: 'high' } );\n\n\t\t// Update caption visibility on view in post fixer.\n\t\tview.document.registerPostFixer( writer => this._updateCaptionVisibility( writer ) );\n\t}\n\n\t/**\n\t * Updates the view before each rendering, making sure that empty captions (so unnecessary ones) are hidden\n\t * and then visible when the image is selected.\n\t *\n\t * @private\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n\t * @returns {Boolean} Returns `true` when the view is updated.\n\t */\n\t_updateCaptionVisibility( viewWriter ) {\n\t\tconst mapper = this.editor.editing.mapper;\n\t\tconst lastCaption = this._lastSelectedCaption;\n\t\tlet viewCaption;\n\n\t\t// If whole image is selected.\n\t\tconst modelSelection = this.editor.model.document.selection;\n\t\tconst selectedElement = modelSelection.getSelectedElement();\n\n\t\tif ( selectedElement && selectedElement.is( 'element', 'image' ) ) {\n\t\t\tconst modelCaption = getCaptionFromImage( selectedElement );\n\t\t\tviewCaption = mapper.toViewElement( modelCaption );\n\t\t}\n\n\t\t// If selection is placed inside caption.\n\t\tconst position = modelSelection.getFirstPosition();\n\t\tconst modelCaption = getParentCaption( position.parent );\n\n\t\tif ( modelCaption ) {\n\t\t\tviewCaption = mapper.toViewElement( modelCaption );\n\t\t}\n\n\t\t// Is currently any caption selected?\n\t\tif ( viewCaption && !this.editor.isReadOnly ) {\n\t\t\t// Was any caption selected before?\n\t\t\tif ( lastCaption ) {\n\t\t\t\t// Same caption as before?\n\t\t\t\tif ( lastCaption === viewCaption ) {\n\t\t\t\t\treturn showCaption( viewCaption, viewWriter );\n\t\t\t\t} else {\n\t\t\t\t\thideCaptionIfEmpty( lastCaption, viewWriter );\n\t\t\t\t\tthis._lastSelectedCaption = viewCaption;\n\n\t\t\t\t\treturn showCaption( viewCaption, viewWriter );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tthis._lastSelectedCaption = viewCaption;\n\t\t\t\treturn showCaption( viewCaption, viewWriter );\n\t\t\t}\n\t\t} else {\n\t\t\t// Was any caption selected before?\n\t\t\tif ( lastCaption ) {\n\t\t\t\tconst viewModified = hideCaptionIfEmpty( lastCaption, viewWriter );\n\t\t\t\tthis._lastSelectedCaption = null;\n\n\t\t\t\treturn viewModified;\n\t\t\t} else {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns a converter that fixes caption visibility during the model-to-view conversion.\n\t * Checks if the changed node is placed inside the caption element and fixes its visibility in the view.\n\t *\n\t * @private\n\t * @param {Function} nodeFinder\n\t * @returns {Function}\n\t */\n\t_fixCaptionVisibility( nodeFinder ) {\n\t\treturn ( evt, data, conversionApi ) => {\n\t\t\tconst node = nodeFinder( data );\n\t\t\tconst modelCaption = getParentCaption( node );\n\t\t\tconst mapper = this.editor.editing.mapper;\n\t\t\tconst viewWriter = conversionApi.writer;\n\n\t\t\tif ( modelCaption ) {\n\t\t\t\tconst viewCaption = mapper.toViewElement( modelCaption );\n\n\t\t\t\tif ( viewCaption ) {\n\t\t\t\t\tif ( modelCaption.childCount ) {\n\t\t\t\t\t\tviewWriter.removeClass( 'ck-hidden', viewCaption );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tviewWriter.addClass( 'ck-hidden', viewCaption );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n\n\t/**\n\t * Checks whether the data inserted to the model document have an image element that has no caption element inside it.\n\t * If there is none, it adds it to the image element.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer The writer to make changes with.\n\t * @returns {Boolean} `true` if any change was applied, `false` otherwise.\n\t */\n\t_insertMissingModelCaptionElement( writer ) {\n\t\tconst model = this.editor.model;\n\t\tconst changes = model.document.differ.getChanges();\n\n\t\tconst imagesWithoutCaption = [];\n\n\t\tfor ( const entry of changes ) {\n\t\t\tif ( entry.type == 'insert' && entry.name != '$text' ) {\n\t\t\t\tconst item = entry.position.nodeAfter;\n\n\t\t\t\tif ( item.is( 'element', 'image' ) && !getCaptionFromImage( item ) ) {\n\t\t\t\t\timagesWithoutCaption.push( item );\n\t\t\t\t}\n\n\t\t\t\t// Check elements with children for nested images.\n\t\t\t\tif ( !item.is( 'element', 'image' ) && item.childCount ) {\n\t\t\t\t\tfor ( const nestedItem of model.createRangeIn( item ).getItems() ) {\n\t\t\t\t\t\tif ( nestedItem.is( 'element', 'image' ) && !getCaptionFromImage( nestedItem ) ) {\n\t\t\t\t\t\t\timagesWithoutCaption.push( nestedItem );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tfor ( const image of imagesWithoutCaption ) {\n\t\t\twriter.appendElement( 'caption', image );\n\t\t}\n\n\t\treturn !!imagesWithoutCaption.length;\n\t}\n}\n\n// Creates a converter that converts image caption model element to view element.\n//\n// @private\n// @param {Function} elementCreator\n// @param {Boolean} [hide=true] When set to `false` view element will not be inserted when it's empty.\n// @returns {Function}\nfunction captionModelToView( elementCreator, hide = true ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst captionElement = data.item;\n\n\t\t// Return if element shouldn't be present when empty.\n\t\tif ( !captionElement.childCount && !hide ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( isImage( captionElement.parent ) ) {\n\t\t\tif ( !conversionApi.consumable.consume( data.item, 'insert' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst viewImage = conversionApi.mapper.toViewElement( data.range.start.parent );\n\t\t\tconst viewCaption = elementCreator( conversionApi.writer );\n\t\t\tconst viewWriter = conversionApi.writer;\n\n\t\t\t// Hide if empty.\n\t\t\tif ( !captionElement.childCount ) {\n\t\t\t\tviewWriter.addClass( 'ck-hidden', viewCaption );\n\t\t\t}\n\n\t\t\tinsertViewCaptionAndBind( viewCaption, data.item, viewImage, conversionApi );\n\t\t}\n\t};\n}\n\n// Inserts `viewCaption` at the end of `viewImage` and binds it to `modelCaption`.\n//\n// @private\n// @param {module:engine/view/containerelement~ContainerElement} viewCaption\n// @param {module:engine/model/element~Element} modelCaption\n// @param {module:engine/view/containerelement~ContainerElement} viewImage\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction insertViewCaptionAndBind( viewCaption, modelCaption, viewImage, conversionApi ) {\n\tconst viewPosition = conversionApi.writer.createPositionAt( viewImage, 'end' );\n\n\tconversionApi.writer.insert( viewPosition, viewCaption );\n\tconversionApi.mapper.bindElements( modelCaption, viewCaption );\n}\n\n// Checks if the provided node or one of its ancestors is a caption element, and returns it.\n//\n// @private\n// @param {module:engine/model/node~Node} node\n// @returns {module:engine/model/element~Element|null}\nfunction getParentCaption( node ) {\n\tconst ancestors = node.getAncestors( { includeSelf: true } );\n\tconst caption = ancestors.find( ancestor => ancestor.name == 'caption' );\n\n\tif ( caption && caption.parent && caption.parent.name == 'image' ) {\n\t\treturn caption;\n\t}\n\n\treturn null;\n}\n\n// Hides a given caption in the view if it is empty.\n//\n// @private\n// @param {module:engine/view/containerelement~ContainerElement} caption\n// @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n// @returns {Boolean} Returns `true` if the view was modified.\nfunction hideCaptionIfEmpty( caption, viewWriter ) {\n\tif ( !caption.childCount && !caption.hasClass( 'ck-hidden' ) ) {\n\t\tviewWriter.addClass( 'ck-hidden', caption );\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n// Shows the caption.\n//\n// @private\n// @param {module:engine/view/containerelement~ContainerElement} caption\n// @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n// @returns {Boolean} Returns `true` if the view was modified.\nfunction showCaption( caption, viewWriter ) {\n\tif ( caption.hasClass( 'ck-hidden' ) ) {\n\t\tviewWriter.removeClass( 'ck-hidden', caption );\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle/imagestylecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { isImage } from '../image/utils';\n\n/**\n * The image style command. It is used to apply different image styles.\n *\n * @extends module:core/command~Command\n */\nexport default class ImageStyleCommand extends Command {\n\t/**\n\t * Creates an instance of the image style command. Each command instance is handling one style.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t * @param {Array.<module:image/imagestyle/imagestyleediting~ImageStyleFormat>} styles The styles that this command supports.\n\t */\n\tconstructor( editor, styles ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The name of the default style, if it is present. If there is no default style, it defaults to `false`.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Boolean|String}\n\t\t */\n\t\tthis.defaultStyle = false;\n\n\t\t/**\n\t\t * A style handled by this command.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<module:image/imagestyle/imagestyleediting~ImageStyleFormat>} #styles\n\t\t */\n\t\tthis.styles = styles.reduce( ( styles, style ) => {\n\t\t\tstyles[ style.name ] = style;\n\n\t\t\tif ( style.isDefault ) {\n\t\t\t\tthis.defaultStyle = style.name;\n\t\t\t}\n\n\t\t\treturn styles;\n\t\t}, {} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst element = this.editor.model.document.selection.getSelectedElement();\n\n\t\tthis.isEnabled = isImage( element );\n\n\t\tif ( !element ) {\n\t\t\tthis.value = false;\n\t\t} else if ( element.hasAttribute( 'imageStyle' ) ) {\n\t\t\tconst attributeValue = element.getAttribute( 'imageStyle' );\n\t\t\tthis.value = this.styles[ attributeValue ] ? attributeValue : false;\n\t\t} else {\n\t\t\tthis.value = this.defaultStyle;\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t *\t\teditor.execute( 'imageStyle', { value: 'side' } );\n\t *\n\t * @param {Object} options\n\t * @param {String} options.value The name of the style (based on the\n\t * {@link module:image/image~ImageConfig#styles `image.styles`} configuration option).\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst styleName = options.value;\n\n\t\tconst model = this.editor.model;\n\t\tconst imageElement = model.document.selection.getSelectedElement();\n\n\t\tmodel.change( writer => {\n\t\t\t// Default style means that there is no `imageStyle` attribute in the model.\n\t\t\t// https://github.com/ckeditor/ckeditor5-image/issues/147\n\t\t\tif ( this.styles[ styleName ].isDefault ) {\n\t\t\t\twriter.removeAttribute( 'imageStyle', imageElement );\n\t\t\t} else {\n\t\t\t\twriter.setAttribute( 'imageStyle', styleName, imageElement );\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\n/**\n * @module image/imagestyle/converters\n */\n\n/**\n * Returns a converter for the `imageStyle` attribute. It can be used for adding, changing and removing the attribute.\n *\n * @param {Object} styles An object containing available styles. See {@link module:image/imagestyle/imagestyleediting~ImageStyleFormat}\n * for more details.\n * @returns {Function} A model-to-view attribute converter.\n */\nexport function modelToViewStyleAttribute( styles ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Check if there is class name associated with given value.\n\t\tconst newStyle = getStyleByName( data.attributeNewValue, styles );\n\t\tconst oldStyle = getStyleByName( data.attributeOldValue, styles );\n\n\t\tconst viewElement = conversionApi.mapper.toViewElement( data.item );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\tif ( oldStyle ) {\n\t\t\tviewWriter.removeClass( oldStyle.className, viewElement );\n\t\t}\n\n\t\tif ( newStyle ) {\n\t\t\tviewWriter.addClass( newStyle.className, viewElement );\n\t\t}\n\t};\n}\n\n/**\n * Returns a view-to-model converter converting image CSS classes to a proper value in the model.\n *\n * @param {Array.<module:image/imagestyle/imagestyleediting~ImageStyleFormat>} styles The styles for which the converter is created.\n * @returns {Function} A view-to-model converter.\n */\nexport function viewToModelStyleAttribute( styles ) {\n\t// Convert only non–default styles.\n\tconst filteredStyles = styles.filter( style => !style.isDefault );\n\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !data.modelRange ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewFigureElement = data.viewItem;\n\t\tconst modelImageElement = first( data.modelRange.getItems() );\n\n\t\t// Check if `modelImageElement` exists (see: https://github.com/ckeditor/ckeditor5/issues/8270)\n\t\t// and `imageStyle` attribute is allowed for that element, otherwise stop conversion early.\n\t\tif ( modelImageElement && !conversionApi.schema.checkAttribute( modelImageElement, 'imageStyle' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Convert style one by one.\n\t\tfor ( const style of filteredStyles ) {\n\t\t\t// Try to consume class corresponding with style.\n\t\t\tif ( conversionApi.consumable.consume( viewFigureElement, { classes: style.className } ) ) {\n\t\t\t\t// And convert this style to model attribute.\n\t\t\t\tconversionApi.writer.setAttribute( 'imageStyle', style.name, modelImageElement );\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Returns the style with a given `name` from an array of styles.\n//\n// @param {String} name\n// @param {Array.<module:image/imagestyle/imagestyleediting~ImageStyleFormat> } styles\n// @returns {module:image/imagestyle/imagestyleediting~ImageStyleFormat|undefined}\nfunction getStyleByName( name, styles ) {\n\tfor ( const style of styles ) {\n\t\tif ( style.name === name ) {\n\t\t\treturn style;\n\t\t}\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 4.5V3h16v1.5zm2.5 3V12h11V7.5h-11zM4.061 6H15.94c.586 0 1.061.407 1.061.91v5.68c0 .503-.475.91-1.061.91H4.06c-.585 0-1.06-.407-1.06-.91V6.91C3 6.406 3.475 6 4.061 6zM2 16.5V15h16v1.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\" clip-rule=\\\"evenodd\\\" stroke-linejoin=\\\"round\\\" stroke-miterlimit=\\\"1.414\\\"><path d=\\\"M18 4.5V3H2v1.5h16zm0 3V6h-5.674v1.5H18zm0 3V9h-5.674v1.5H18zm0 3V12h-5.674v1.5H18zm-8.5-6V12h-6V7.5h6zm.818-1.5H2.682C2.305 6 2 6.407 2 6.91v5.68c0 .503.305.91.682.91h7.636c.377 0 .682-.407.682-.91V6.91c0-.503-.305-.91-.682-.91zM18 16.5V15H2v1.5h16z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 4.5V3h16v1.5zm4.5 3V12h7V7.5h-7zM5.758 6h8.484c.419 0 .758.407.758.91v5.681c0 .502-.34.909-.758.909H5.758c-.419 0-.758-.407-.758-.91V6.91c0-.503.34-.91.758-.91zM2 16.5V15h16v1.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 4.5V3h16v1.5zm0 3V6h5.674v1.5zm0 3V9h5.674v1.5zm0 3V12h5.674v1.5zm8.5-6V12h6V7.5h-6zM9.682 6h7.636c.377 0 .682.407.682.91v5.68c0 .503-.305.91-.682.91H9.682c-.377 0-.682-.407-.682-.91V6.91c0-.503.305-.91.682-.91zM2 16.5V15h16v1.5z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle/utils\n */\n\nimport fullWidthIcon from '@ckeditor/ckeditor5-core/theme/icons/object-full-width.svg';\nimport leftIcon from '@ckeditor/ckeditor5-core/theme/icons/object-left.svg';\nimport centerIcon from '@ckeditor/ckeditor5-core/theme/icons/object-center.svg';\nimport rightIcon from '@ckeditor/ckeditor5-core/theme/icons/object-right.svg';\nimport { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Default image styles provided by the plugin that can be referred in the\n * {@link module:image/image~ImageConfig#styles} configuration.\n *\n * Among them, 2 default semantic content styles are available:\n *\n * * `full` is a full–width image without any CSS class,\n * * `side` is a side image styled with the `image-style-side` CSS class.\n *\n * There are also 3 styles focused on formatting:\n *\n * * `alignLeft` aligns the image to the left using the `image-style-align-left` class,\n * * `alignCenter` centers the image using the `image-style-align-center` class,\n * * `alignRight` aligns the image to the right using the `image-style-align-right` class,\n *\n * @member {Object.<String,Object>}\n */\nconst defaultStyles = {\n\t// This option is equal to the situation when no style is applied.\n\tfull: {\n\t\tname: 'full',\n\t\ttitle: 'Full size image',\n\t\ticon: fullWidthIcon,\n\t\tisDefault: true\n\t},\n\n\t// This represents a side image.\n\tside: {\n\t\tname: 'side',\n\t\ttitle: 'Side image',\n\t\ticon: rightIcon,\n\t\tclassName: 'image-style-side'\n\t},\n\n\t// This style represents an image aligned to the left.\n\talignLeft: {\n\t\tname: 'alignLeft',\n\t\ttitle: 'Left aligned image',\n\t\ticon: leftIcon,\n\t\tclassName: 'image-style-align-left'\n\t},\n\n\t// This style represents a centered image.\n\talignCenter: {\n\t\tname: 'alignCenter',\n\t\ttitle: 'Centered image',\n\t\ticon: centerIcon,\n\t\tclassName: 'image-style-align-center'\n\t},\n\n\t// This style represents an image aligned to the right.\n\talignRight: {\n\t\tname: 'alignRight',\n\t\ttitle: 'Right aligned image',\n\t\ticon: rightIcon,\n\t\tclassName: 'image-style-align-right'\n\t}\n};\n\n/**\n * Default image style icons provided by the plugin that can be referred in the\n * {@link module:image/image~ImageConfig#styles} configuration.\n *\n * There are 4 icons available: `'full'`, `'left'`, `'center'` and `'right'`.\n *\n * @member {Object.<String, String>}\n */\nconst defaultIcons = {\n\tfull: fullWidthIcon,\n\tleft: leftIcon,\n\tright: rightIcon,\n\tcenter: centerIcon\n};\n\n/**\n * Returns a {@link module:image/image~ImageConfig#styles} array with items normalized in the\n * {@link module:image/imagestyle/imagestyleediting~ImageStyleFormat} format and a complete `icon` markup for each style.\n *\n * @returns {Array.<module:image/imagestyle/imagestyleediting~ImageStyleFormat>}\n */\nexport function normalizeImageStyles( configuredStyles = [] ) {\n\treturn configuredStyles.map( _normalizeStyle );\n}\n\n// Normalizes an image style provided in the {@link module:image/image~ImageConfig#styles}\n// and returns it in a {@link module:image/imagestyle/imagestyleediting~ImageStyleFormat}.\n//\n// @param {Object} style\n// @returns {@link module:image/imagestyle/imagestyleediting~ImageStyleFormat}\nfunction _normalizeStyle( style ) {\n\t// Just the name of the style has been passed.\n\tif ( typeof style == 'string' ) {\n\t\tconst styleName = style;\n\n\t\t// If it's one of the defaults, just use it.\n\t\tif ( defaultStyles[ styleName ] ) {\n\t\t\t// Clone the style to avoid overriding defaults.\n\t\t\tstyle = Object.assign( {}, defaultStyles[ styleName ] );\n\t\t}\n\t\t// If it's just a name but none of the defaults, warn because probably it's a mistake.\n\t\telse {\n\t\t\t/**\n\t\t\t * There is no such image style of given name.\n\t\t\t *\n\t\t\t * @error image-style-not-found\n\t\t\t * @param {String} name Name of a missing style name.\n\t\t\t */\n\t\t\tlogWarning( 'image-style-not-found', { name: styleName } );\n\n\t\t\t// Normalize the style anyway to prevent errors.\n\t\t\tstyle = {\n\t\t\t\tname: styleName\n\t\t\t};\n\t\t}\n\t}\n\t// If an object style has been passed and if the name matches one of the defaults,\n\t// extend it with defaults – the user wants to customize a default style.\n\t// Note: Don't override the user–defined style object, clone it instead.\n\telse if ( defaultStyles[ style.name ] ) {\n\t\tconst defaultStyle = defaultStyles[ style.name ];\n\t\tconst extendedStyle = Object.assign( {}, style );\n\n\t\tfor ( const prop in defaultStyle ) {\n\t\t\tif ( !Object.prototype.hasOwnProperty.call( style, prop ) ) {\n\t\t\t\textendedStyle[ prop ] = defaultStyle[ prop ];\n\t\t\t}\n\t\t}\n\n\t\tstyle = extendedStyle;\n\t}\n\n\t// If an icon is defined as a string and correspond with a name\n\t// in default icons, use the default icon provided by the plugin.\n\tif ( typeof style.icon == 'string' && defaultIcons[ style.icon ] ) {\n\t\tstyle.icon = defaultIcons[ style.icon ];\n\t}\n\n\treturn style;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle/imagestyleediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageStyleCommand from './imagestylecommand';\nimport { viewToModelStyleAttribute, modelToViewStyleAttribute } from './converters';\nimport { normalizeImageStyles } from './utils';\n\n/**\n * The image style engine plugin. It sets the default configuration, creates converters and registers\n * {@link module:image/imagestyle/imagestylecommand~ImageStyleCommand ImageStyleCommand}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageStyleEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageStyleEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst data = editor.data;\n\t\tconst editing = editor.editing;\n\n\t\t// Define default configuration.\n\t\teditor.config.define( 'image.styles', [ 'full', 'side' ] );\n\n\t\t// Get configuration.\n\t\tconst styles = normalizeImageStyles( editor.config.get( 'image.styles' ) );\n\n\t\t// Allow imageStyle attribute in image.\n\t\t// We could call it 'style' but https://github.com/ckeditor/ckeditor5-engine/issues/559.\n\t\tschema.extend( 'image', { allowAttributes: 'imageStyle' } );\n\n\t\t// Converters for imageStyle attribute from model to view.\n\t\tconst modelToViewConverter = modelToViewStyleAttribute( styles );\n\t\tediting.downcastDispatcher.on( 'attribute:imageStyle:image', modelToViewConverter );\n\t\tdata.downcastDispatcher.on( 'attribute:imageStyle:image', modelToViewConverter );\n\n\t\t// Converter for figure element from view to model.\n\t\tdata.upcastDispatcher.on( 'element:figure', viewToModelStyleAttribute( styles ), { priority: 'low' } );\n\n\t\t// Register imageStyle command.\n\t\teditor.commands.add( 'imageStyle', new ImageStyleCommand( editor, styles ) );\n\t}\n}\n\n/**\n * The image style format descriptor.\n *\n *\t\timport fullSizeIcon from 'path/to/icon.svg';\n *\n *\t\tconst imageStyleFormat = {\n *\t\t\tname: 'fullSize',\n *\t\t\ticon: fullSizeIcon,\n *\t\t\ttitle: 'Full size image',\n *\t\t\tclassName: 'image-full-size'\n *\t\t}\n *\n * @typedef {Object} module:image/imagestyle/imagestyleediting~ImageStyleFormat\n *\n * @property {String} name The unique name of the style. It will be used to:\n *\n * * Store the chosen style in the model by setting the `imageStyle` attribute of the `<image>` element.\n * * As a value of the {@link module:image/imagestyle/imagestylecommand~ImageStyleCommand#execute `imageStyle` command},\n * * when registering a button for each of the styles (`'imageStyle:{name}'`) in the\n * {@link module:ui/componentfactory~ComponentFactory UI components factory} (this functionality is provided by the\n * {@link module:image/imagestyle/imagestyleui~ImageStyleUI} plugin).\n *\n * @property {Boolean} [isDefault] When set, the style will be used as the default one.\n * A default style does not apply any CSS class to the view element.\n *\n * @property {String} icon One of the following to be used when creating the style's button:\n *\n * * An SVG icon source (as an XML string).\n * * One of {@link module:image/imagestyle/utils~defaultIcons} to use a default icon provided by the plugin.\n *\n * @property {String} title The style's title.\n *\n * @property {String} className The CSS class used to represent the style in the view.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle/imagestyleui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport { normalizeImageStyles } from './utils';\n\nimport '../../theme/imagestyle.css';\n\n/**\n * The image style UI plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageStyleUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageStyleUI';\n\t}\n\n\t/**\n\t * Returns the default localized style titles provided by the plugin.\n\t *\n\t * The following localized titles corresponding with\n\t * {@link module:image/imagestyle/utils~defaultStyles} are available:\n\t *\n\t * * `'Full size image'`,\n\t * * `'Side image'`,\n\t * * `'Left aligned image'`,\n\t * * `'Centered image'`,\n\t * * `'Right aligned image'`\n\t *\n\t * @returns {Object.<String,String>}\n\t */\n\tget localizedDefaultStylesTitles() {\n\t\tconst t = this.editor.t;\n\n\t\treturn {\n\t\t\t'Full size image': t( 'Full size image' ),\n\t\t\t'Side image': t( 'Side image' ),\n\t\t\t'Left aligned image': t( 'Left aligned image' ),\n\t\t\t'Centered image': t( 'Centered image' ),\n\t\t\t'Right aligned image': t( 'Right aligned image' )\n\t\t};\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst configuredStyles = editor.config.get( 'image.styles' );\n\n\t\tconst translatedStyles = translateStyles( normalizeImageStyles( configuredStyles ), this.localizedDefaultStylesTitles );\n\n\t\tfor ( const style of translatedStyles ) {\n\t\t\tthis._createButton( style );\n\t\t}\n\t}\n\n\t/**\n\t * Creates a button for each style and stores it in the editor {@link module:ui/componentfactory~ComponentFactory ComponentFactory}.\n\t *\n\t * @private\n\t * @param {module:image/imagestyle/imagestyleediting~ImageStyleFormat} style\n\t */\n\t_createButton( style ) {\n\t\tconst editor = this.editor;\n\n\t\tconst componentName = `imageStyle:${ style.name }`;\n\n\t\teditor.ui.componentFactory.add( componentName, locale => {\n\t\t\tconst command = editor.commands.get( 'imageStyle' );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: style.title,\n\t\t\t\ticon: style.icon,\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isEnabled' ).to( command, 'isEnabled' );\n\t\t\tview.bind( 'isOn' ).to( command, 'value', value => value === style.name );\n\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( 'imageStyle', { value: style.name } );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n\n/**\n * Returns the translated `title` from the passed styles array.\n *\n * @param {Array.<module:image/imagestyle/imagestyleediting~ImageStyleFormat>} styles\n * @param titles\n * @returns {Array.<module:image/imagestyle/imagestyleediting~ImageStyleFormat>}\n */\nfunction translateStyles( styles, titles ) {\n\tfor ( const style of styles ) {\n\t\t// Localize the titles of the styles, if a title corresponds with\n\t\t// a localized default provided by the plugin.\n\t\tif ( titles[ style.title ] ) {\n\t\t\tstyle.title = titles[ style.title ];\n\t\t}\n\t}\n\n\treturn styles;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgettoolbarrepository\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\nimport ToolbarView from '@ckeditor/ckeditor5-ui/src/toolbar/toolbarview';\nimport BalloonPanelView from '@ckeditor/ckeditor5-ui/src/panel/balloon/balloonpanelview';\nimport {\n\tisWidget,\n\tcenteredBalloonPositionForLongWidgets\n} from './utils';\nimport CKEditorError, { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Widget toolbar repository plugin. A central point for registering widget toolbars. This plugin handles the whole\n * toolbar rendering process and exposes a concise API.\n *\n * To add a toolbar for your widget use the {@link ~WidgetToolbarRepository#register `WidgetToolbarRepository#register()`} method.\n *\n * The following example comes from the {@link module:image/imagetoolbar~ImageToolbar} plugin:\n *\n * \t\tclass ImageToolbar extends Plugin {\n *\t\t\tstatic get requires() {\n *\t\t\t\treturn [ WidgetToolbarRepository ];\n *\t\t\t}\n *\n *\t\t\tafterInit() {\n *\t\t\t\tconst editor = this.editor;\n *\t\t\t\tconst widgetToolbarRepository = editor.plugins.get( WidgetToolbarRepository );\n *\n *\t\t\t\twidgetToolbarRepository.register( 'image', {\n *\t\t\t\t\titems: editor.config.get( 'image.toolbar' ),\n *\t\t\t\t\tgetRelatedElement: getSelectedImageWidget\n *\t\t\t\t} );\n *\t\t\t}\n *\t\t}\n */\nexport default class WidgetToolbarRepository extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'WidgetToolbarRepository';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Disables the default balloon toolbar for all widgets.\n\t\tif ( editor.plugins.has( 'BalloonToolbar' ) ) {\n\t\t\tconst balloonToolbar = editor.plugins.get( 'BalloonToolbar' );\n\n\t\t\tthis.listenTo( balloonToolbar, 'show', evt => {\n\t\t\t\tif ( isWidgetSelected( editor.editing.view.document.selection ) ) {\n\t\t\t\t\tevt.stop();\n\t\t\t\t}\n\t\t\t}, { priority: 'high' } );\n\t\t}\n\n\t\t/**\n\t\t * A map of toolbar definitions.\n\t\t *\n\t\t * @protected\n\t\t * @member {Map.<String,module:widget/widgettoolbarrepository~WidgetRepositoryToolbarDefinition>} #_toolbarDefinitions\n\t\t */\n\t\tthis._toolbarDefinitions = new Map();\n\n\t\t/**\n\t\t * @private\n\t\t */\n\t\tthis._balloon = this.editor.plugins.get( 'ContextualBalloon' );\n\n\t\tthis.on( 'change:isEnabled', () => {\n\t\t\tthis._updateToolbarsVisibility();\n\t\t} );\n\n\t\tthis.listenTo( editor.ui, 'update', () => {\n\t\t\tthis._updateToolbarsVisibility();\n\t\t} );\n\n\t\t// UI#update is not fired after focus is back in editor, we need to check if balloon panel should be visible.\n\t\tthis.listenTo( editor.ui.focusTracker, 'change:isFocused', () => {\n\t\t\tthis._updateToolbarsVisibility();\n\t\t}, { priority: 'low' } );\n\t}\n\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tfor ( const toolbarConfig of this._toolbarDefinitions.values() ) {\n\t\t\ttoolbarConfig.view.destroy();\n\t\t}\n\t}\n\n\t/**\n\t * Registers toolbar in the WidgetToolbarRepository. It renders it in the `ContextualBalloon` based on the value of the invoked\n\t * `getRelatedElement` function. Toolbar items are gathered from `items` array.\n\t * The balloon's CSS class is by default `ck-toolbar-container` and may be override with the `balloonClassName` option.\n\t *\n\t * Note: This method should be called in the {@link module:core/plugin~PluginInterface#afterInit `Plugin#afterInit()`}\n\t * callback (or later) to make sure that the given toolbar items were already registered by other plugins.\n\t *\n\t * @param {String} toolbarId An id for the toolbar. Used to\n\t * @param {Object} options\n\t * @param {String} [options.ariaLabel] Label used by assistive technologies to describe this toolbar element.\n\t * @param {Array.<String>} options.items Array of toolbar items.\n\t * @param {Function} options.getRelatedElement Callback which returns an element the toolbar should be attached to.\n\t * @param {String} [options.balloonClassName='ck-toolbar-container'] CSS class for the widget balloon.\n\t */\n\tregister( toolbarId, { ariaLabel, items, getRelatedElement, balloonClassName = 'ck-toolbar-container' } ) {\n\t\t// Trying to register a toolbar without any item.\n\t\tif ( !items.length ) {\n\t\t\t/**\n\t\t\t * When {@link #register} a new toolbar, you need to provide a non-empty array with\n\t\t\t * the items that will be inserted into the toolbar.\n\t\t\t *\n\t\t\t * @error widget-toolbar-no-items\n\t\t\t */\n\t\t\tlogWarning( 'widget-toolbar-no-items', { toolbarId } );\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst toolbarView = new ToolbarView( editor.locale );\n\n\t\ttoolbarView.ariaLabel = ariaLabel || t( 'Widget toolbar' );\n\n\t\tif ( this._toolbarDefinitions.has( toolbarId ) ) {\n\t\t\t/**\n\t\t\t * Toolbar with the given id was already added.\n\t\t\t *\n\t\t\t * @error widget-toolbar-duplicated\n\t\t\t * @param toolbarId Toolbar id.\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'widget-toolbar-duplicated', this, { toolbarId } );\n\t\t}\n\n\t\ttoolbarView.fillFromConfig( items, editor.ui.componentFactory );\n\n\t\tthis._toolbarDefinitions.set( toolbarId, {\n\t\t\tview: toolbarView,\n\t\t\tgetRelatedElement,\n\t\t\tballoonClassName\n\t\t} );\n\t}\n\n\t/**\n\t * Iterates over stored toolbars and makes them visible or hidden.\n\t *\n\t * @private\n\t */\n\t_updateToolbarsVisibility() {\n\t\tlet maxRelatedElementDepth = 0;\n\t\tlet deepestRelatedElement = null;\n\t\tlet deepestToolbarDefinition = null;\n\n\t\tfor ( const definition of this._toolbarDefinitions.values() ) {\n\t\t\tconst relatedElement = definition.getRelatedElement( this.editor.editing.view.document.selection );\n\n\t\t\tif ( !this.isEnabled || !relatedElement ) {\n\t\t\t\tif ( this._isToolbarInBalloon( definition ) ) {\n\t\t\t\t\tthis._hideToolbar( definition );\n\t\t\t\t}\n\t\t\t} else if ( !this.editor.ui.focusTracker.isFocused ) {\n\t\t\t\tif ( this._isToolbarVisible( definition ) ) {\n\t\t\t\t\tthis._hideToolbar( definition );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst relatedElementDepth = relatedElement.getAncestors().length;\n\n\t\t\t\t// Many toolbars can express willingness to be displayed but they do not know about\n\t\t\t\t// each other. Figure out which toolbar is deepest in the view tree to decide which\n\t\t\t\t// should be displayed. For instance, if a selected image is inside a table cell, display\n\t\t\t\t// the ImageToolbar rather than the TableToolbar (#60).\n\t\t\t\tif ( relatedElementDepth > maxRelatedElementDepth ) {\n\t\t\t\t\tmaxRelatedElementDepth = relatedElementDepth;\n\t\t\t\t\tdeepestRelatedElement = relatedElement;\n\t\t\t\t\tdeepestToolbarDefinition = definition;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif ( deepestToolbarDefinition ) {\n\t\t\tthis._showToolbar( deepestToolbarDefinition, deepestRelatedElement );\n\t\t}\n\t}\n\n\t/**\n\t * Hides the given toolbar.\n\t *\n\t * @private\n\t * @param {module:widget/widgettoolbarrepository~WidgetRepositoryToolbarDefinition} toolbarDefinition\n\t */\n\t_hideToolbar( toolbarDefinition ) {\n\t\tthis._balloon.remove( toolbarDefinition.view );\n\t\tthis.stopListening( this._balloon, 'change:visibleView' );\n\t}\n\n\t/**\n\t * Shows up the toolbar if the toolbar is not visible.\n\t * Otherwise, repositions the toolbar's balloon when toolbar's view is the most top view in balloon stack.\n\t *\n\t * It might happen here that the toolbar's view is under another view. Then do nothing as the other toolbar view\n\t * should be still visible after the {@link module:core/editor/editorui~EditorUI#event:update}.\n\t *\n\t * @private\n\t * @param {module:widget/widgettoolbarrepository~WidgetRepositoryToolbarDefinition} toolbarDefinition\n\t * @param {module:engine/view/element~Element} relatedElement\n\t */\n\t_showToolbar( toolbarDefinition, relatedElement ) {\n\t\tif ( this._isToolbarVisible( toolbarDefinition ) ) {\n\t\t\trepositionContextualBalloon( this.editor, relatedElement );\n\t\t} else if ( !this._isToolbarInBalloon( toolbarDefinition ) ) {\n\t\t\tthis._balloon.add( {\n\t\t\t\tview: toolbarDefinition.view,\n\t\t\t\tposition: getBalloonPositionData( this.editor, relatedElement ),\n\t\t\t\tballoonClassName: toolbarDefinition.balloonClassName\n\t\t\t} );\n\n\t\t\t// Update toolbar position each time stack with toolbar view is switched to visible.\n\t\t\t// This is in a case target element has changed when toolbar was in invisible stack\n\t\t\t// e.g. target image was wrapped by a block quote.\n\t\t\t// See https://github.com/ckeditor/ckeditor5-widget/issues/92.\n\t\t\tthis.listenTo( this._balloon, 'change:visibleView', () => {\n\t\t\t\tfor ( const definition of this._toolbarDefinitions.values() ) {\n\t\t\t\t\tif ( this._isToolbarVisible( definition ) ) {\n\t\t\t\t\t\tconst relatedElement = definition.getRelatedElement( this.editor.editing.view.document.selection );\n\t\t\t\t\t\trepositionContextualBalloon( this.editor, relatedElement );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * @private\n\t * @param {Object} toolbar\n\t * @returns {Boolean}\n\t */\n\t_isToolbarVisible( toolbar ) {\n\t\treturn this._balloon.visibleView === toolbar.view;\n\t}\n\n\t/**\n\t * @private\n\t * @param {Object} toolbar\n\t * @returns {Boolean}\n\t */\n\t_isToolbarInBalloon( toolbar ) {\n\t\treturn this._balloon.hasView( toolbar.view );\n\t}\n}\n\nfunction repositionContextualBalloon( editor, relatedElement ) {\n\tconst balloon = editor.plugins.get( 'ContextualBalloon' );\n\tconst position = getBalloonPositionData( editor, relatedElement );\n\n\tballoon.updatePosition( position );\n}\n\nfunction getBalloonPositionData( editor, relatedElement ) {\n\tconst editingView = editor.editing.view;\n\tconst defaultPositions = BalloonPanelView.defaultPositions;\n\n\treturn {\n\t\ttarget: editingView.domConverter.mapViewToDom( relatedElement ),\n\t\tpositions: [\n\t\t\tdefaultPositions.northArrowSouth,\n\t\t\tdefaultPositions.northArrowSouthWest,\n\t\t\tdefaultPositions.northArrowSouthEast,\n\t\t\tdefaultPositions.southArrowNorth,\n\t\t\tdefaultPositions.southArrowNorthWest,\n\t\t\tdefaultPositions.southArrowNorthEast,\n\t\t\tcenteredBalloonPositionForLongWidgets\n\t\t]\n\t};\n}\n\nfunction isWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isWidget( viewElement ) );\n}\n\n/**\n * The toolbar definition object used by the toolbar repository to manage toolbars.\n * It contains information necessary to display the toolbar in the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} and\n * update it during its life (display) cycle.\n *\n * @typedef {Object} module:widget/widgettoolbarrepository~WidgetRepositoryToolbarDefinition\n *\n * @property {module:ui/view~View} view The UI view of the toolbar.\n * @property {Function} getRelatedElement A function that returns an engine {@link module:engine/view/view~View}\n * element the toolbar is to be attached to. For instance, an image widget or a table widget (or `null` when\n * there is no such element). The function accepts an instance of {@link module:engine/view/selection~Selection}.\n * @property {String} balloonClassName CSS class for the widget balloon when a toolbar is displayed.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\n/**\n * @module link/utils\n */\n\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\n\n/**\n * Helper class that ties together all {@link module:link/link~LinkDecoratorAutomaticDefinition} and provides\n * the {@link module:engine/conversion/downcasthelpers~DowncastHelpers#attributeToElement downcast dispatchers} for them.\n */\nexport default class AutomaticDecorators {\n\tconstructor() {\n\t\t/**\n\t\t * Stores the definition of {@link module:link/link~LinkDecoratorAutomaticDefinition automatic decorators}.\n\t\t * This data is used as a source for a downcast dispatcher to create a proper conversion to output data.\n\t\t *\n\t\t * @private\n\t\t * @type {Set}\n\t\t */\n\t\tthis._definitions = new Set();\n\t}\n\n\t/**\n\t * Gives information about the number of decorators stored in the {@link module:link/utils~AutomaticDecorators} instance.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Number}\n\t */\n\tget length() {\n\t\treturn this._definitions.size;\n\t}\n\n\t/**\n\t * Adds automatic decorator objects or an array with them to be used during downcasting.\n\t *\n\t * @param {module:link/link~LinkDecoratorAutomaticDefinition|Array.<module:link/link~LinkDecoratorAutomaticDefinition>} item\n\t * A configuration object of automatic rules for decorating links. It might also be an array of such objects.\n\t */\n\tadd( item ) {\n\t\tif ( Array.isArray( item ) ) {\n\t\t\titem.forEach( item => this._definitions.add( item ) );\n\t\t} else {\n\t\t\tthis._definitions.add( item );\n\t\t}\n\t}\n\n\t/**\n\t * Provides the conversion helper used in the {@link module:engine/conversion/downcasthelpers~DowncastHelpers#add} method.\n\t *\n\t * @returns {Function} A dispatcher function used as conversion helper\n\t * in {@link module:engine/conversion/downcasthelpers~DowncastHelpers#add}.\n\t */\n\tgetDispatcher() {\n\t\treturn dispatcher => {\n\t\t\tdispatcher.on( 'attribute:linkHref', ( evt, data, conversionApi ) => {\n\t\t\t\t// There is only test as this behavior decorates links and\n\t\t\t\t// it is run before dispatcher which actually consumes this node.\n\t\t\t\t// This allows on writing own dispatcher with highest priority,\n\t\t\t\t// which blocks both native converter and this additional decoration.\n\t\t\t\tif ( !conversionApi.consumable.test( data.item, 'attribute:linkHref' ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\t\t\tfor ( const item of this._definitions ) {\n\t\t\t\t\tconst viewElement = viewWriter.createAttributeElement( 'a', item.attributes, {\n\t\t\t\t\t\tpriority: 5\n\t\t\t\t\t} );\n\t\t\t\t\tviewWriter.setCustomProperty( 'link', true, viewElement );\n\t\t\t\t\tif ( item.callback( data.attributeNewValue ) ) {\n\t\t\t\t\t\tif ( data.item.is( 'selection' ) ) {\n\t\t\t\t\t\t\tviewWriter.wrap( viewSelection.getFirstRange(), viewElement );\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tviewWriter.wrap( conversionApi.mapper.toViewRange( data.range ), viewElement );\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tviewWriter.unwrap( conversionApi.mapper.toViewRange( data.range ), viewElement );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}, { priority: 'high' } );\n\t\t};\n\t}\n\n\t/**\n\t * Provides the conversion helper used in the {@link module:engine/conversion/downcasthelpers~DowncastHelpers#add} method\n\t * when linking images.\n\t *\n\t * @returns {Function} A dispatcher function used as conversion helper\n\t * in {@link module:engine/conversion/downcasthelpers~DowncastHelpers#add}.\n\t */\n\tgetDispatcherForLinkedImage() {\n\t\treturn dispatcher => {\n\t\t\tdispatcher.on( 'attribute:linkHref:image', ( evt, data, conversionApi ) => {\n\t\t\t\tconst viewFigure = conversionApi.mapper.toViewElement( data.item );\n\t\t\t\tconst linkInImage = Array.from( viewFigure.getChildren() ).find( child => child.name === 'a' );\n\n\t\t\t\tfor ( const item of this._definitions ) {\n\t\t\t\t\tconst attributes = toMap( item.attributes );\n\n\t\t\t\t\tif ( item.callback( data.attributeNewValue ) ) {\n\t\t\t\t\t\tfor ( const [ key, val ] of attributes ) {\n\t\t\t\t\t\t\tif ( key === 'class' ) {\n\t\t\t\t\t\t\t\tconversionApi.writer.addClass( val, linkInImage );\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tconversionApi.writer.setAttribute( key, val, linkInImage );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tfor ( const [ key, val ] of attributes ) {\n\t\t\t\t\t\t\tif ( key === 'class' ) {\n\t\t\t\t\t\t\t\tconversionApi.writer.removeClass( val, linkInImage );\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tconversionApi.writer.removeAttribute( key, linkInImage );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\t\t};\n\t}\n}\n","import baseSlice from './_baseSlice.js';\n\n/**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\nfunction castSlice(array, start, end) {\n  var length = array.length;\n  end = end === undefined ? length : end;\n  return (!start && end >= length) ? array : baseSlice(array, start, end);\n}\n\nexport default castSlice;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n    rsComboMarksRange = '\\\\u0300-\\\\u036f',\n    reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n    rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n    rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsZWJ = '\\\\u200d';\n\n/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\nvar reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n/**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\nfunction hasUnicode(string) {\n  return reHasUnicode.test(string);\n}\n\nexport default hasUnicode;\n","/**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction asciiToArray(string) {\n  return string.split('');\n}\n\nexport default asciiToArray;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n    rsComboMarksRange = '\\\\u0300-\\\\u036f',\n    reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n    rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n    rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsAstral = '[' + rsAstralRange + ']',\n    rsCombo = '[' + rsComboRange + ']',\n    rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n    rsNonAstral = '[^' + rsAstralRange + ']',\n    rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n    rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n    rsZWJ = '\\\\u200d';\n\n/** Used to compose unicode regexes. */\nvar reOptMod = rsModifier + '?',\n    rsOptVar = '[' + rsVarRange + ']?',\n    rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n    rsSeq = rsOptVar + reOptMod + rsOptJoin,\n    rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\nvar reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n/**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction unicodeToArray(string) {\n  return string.match(reUnicode) || [];\n}\n\nexport default unicodeToArray;\n","import asciiToArray from './_asciiToArray.js';\nimport hasUnicode from './_hasUnicode.js';\nimport unicodeToArray from './_unicodeToArray.js';\n\n/**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction stringToArray(string) {\n  return hasUnicode(string)\n    ? unicodeToArray(string)\n    : asciiToArray(string);\n}\n\nexport default stringToArray;\n","import castSlice from './_castSlice.js';\nimport hasUnicode from './_hasUnicode.js';\nimport stringToArray from './_stringToArray.js';\nimport toString from './toString.js';\n\n/**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\nfunction createCaseFirst(methodName) {\n  return function(string) {\n    string = toString(string);\n\n    var strSymbols = hasUnicode(string)\n      ? stringToArray(string)\n      : undefined;\n\n    var chr = strSymbols\n      ? strSymbols[0]\n      : string.charAt(0);\n\n    var trailing = strSymbols\n      ? castSlice(strSymbols, 1).join('')\n      : string.slice(1);\n\n    return chr[methodName]() + trailing;\n  };\n}\n\nexport default createCaseFirst;\n","import createCaseFirst from './_createCaseFirst.js';\n\n/**\n * Converts the first character of `string` to upper case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.upperFirst('fred');\n * // => 'Fred'\n *\n * _.upperFirst('FRED');\n * // => 'FRED'\n */\nvar upperFirst = createCaseFirst('toUpperCase');\n\nexport default upperFirst;\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/utils\n */\n\nimport { upperFirst } from 'lodash-es';\n\nconst ATTRIBUTE_WHITESPACES = /[\\u0000-\\u0020\\u00A0\\u1680\\u180E\\u2000-\\u2029\\u205f\\u3000]/g; // eslint-disable-line no-control-regex\nconst SAFE_URL = /^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;\n\n// Simplified email test - should be run over previously found URL.\nconst EMAIL_REG_EXP = /^[\\S]+@((?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.))+(?:[a-z\\u00a1-\\uffff]{2,})$/i;\n\n// The regex checks for the protocol syntax ('xxxx://' or 'xxxx:')\n// or non-word characters at the beginning of the link ('/', '#' etc.).\nconst PROTOCOL_REG_EXP = /^((\\w+:(\\/{2,})?)|(\\W))/i;\n\n/**\n * A keystroke used by the {@link module:link/linkui~LinkUI link UI feature}.\n */\nexport const LINK_KEYSTROKE = 'Ctrl+K';\n\n/**\n * Returns `true` if a given view node is the link element.\n *\n * @param {module:engine/view/node~Node} node\n * @returns {Boolean}\n */\nexport function isLinkElement( node ) {\n\treturn node.is( 'attributeElement' ) && !!node.getCustomProperty( 'link' );\n}\n\n/**\n * Creates a link {@link module:engine/view/attributeelement~AttributeElement} with the provided `href` attribute.\n *\n * @param {String} href\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n * @returns {module:engine/view/attributeelement~AttributeElement}\n */\nexport function createLinkElement( href, { writer } ) {\n\t// Priority 5 - https://github.com/ckeditor/ckeditor5-link/issues/121.\n\tconst linkElement = writer.createAttributeElement( 'a', { href }, { priority: 5 } );\n\twriter.setCustomProperty( 'link', true, linkElement );\n\n\treturn linkElement;\n}\n\n/**\n * Returns a safe URL based on a given value.\n *\n * A URL is considered safe if it is safe for the user (does not contain any malicious code).\n *\n * If a URL is considered unsafe, a simple `\"#\"` is returned.\n *\n * @protected\n * @param {*} url\n * @returns {String} Safe URL.\n */\nexport function ensureSafeUrl( url ) {\n\turl = String( url );\n\n\treturn isSafeUrl( url ) ? url : '#';\n}\n\n// Checks whether the given URL is safe for the user (does not contain any malicious code).\n//\n// @param {String} url URL to check.\nfunction isSafeUrl( url ) {\n\tconst normalizedUrl = url.replace( ATTRIBUTE_WHITESPACES, '' );\n\n\treturn normalizedUrl.match( SAFE_URL );\n}\n\n/**\n * Returns the {@link module:link/link~LinkConfig#decorators `config.link.decorators`} configuration processed\n * to respect the locale of the editor, i.e. to display the {@link module:link/link~LinkDecoratorManualDefinition label}\n * in the correct language.\n *\n * **Note**: Only the few most commonly used labels are translated automatically. Other labels should be manually\n * translated in the {@link module:link/link~LinkConfig#decorators `config.link.decorators`} configuration.\n *\n * @param {module:utils/locale~Locale#t} t shorthand for {@link module:utils/locale~Locale#t Locale#t}\n * @param {Array.<module:link/link~LinkDecoratorDefinition>} The decorator reference\n * where the label values should be localized.\n * @returns {Array.<module:link/link~LinkDecoratorDefinition>}\n */\nexport function getLocalizedDecorators( t, decorators ) {\n\tconst localizedDecoratorsLabels = {\n\t\t'Open in a new tab': t( 'Open in a new tab' ),\n\t\t'Downloadable': t( 'Downloadable' )\n\t};\n\n\tdecorators.forEach( decorator => {\n\t\tif ( decorator.label && localizedDecoratorsLabels[ decorator.label ] ) {\n\t\t\tdecorator.label = localizedDecoratorsLabels[ decorator.label ];\n\t\t}\n\t\treturn decorator;\n\t} );\n\n\treturn decorators;\n}\n\n/**\n * Converts an object with defined decorators to a normalized array of decorators. The `id` key is added for each decorator and\n * is used as the attribute's name in the model.\n *\n * @param {Object.<String, module:link/link~LinkDecoratorDefinition>} decorators\n * @returns {Array.<module:link/link~LinkDecoratorDefinition>}\n */\nexport function normalizeDecorators( decorators ) {\n\tconst retArray = [];\n\n\tif ( decorators ) {\n\t\tfor ( const [ key, value ] of Object.entries( decorators ) ) {\n\t\t\tconst decorator = Object.assign(\n\t\t\t\t{},\n\t\t\t\tvalue,\n\t\t\t\t{ id: `link${ upperFirst( key ) }` }\n\t\t\t);\n\t\t\tretArray.push( decorator );\n\t\t}\n\t}\n\n\treturn retArray;\n}\n\n/**\n * Returns `true` if the specified `element` is an image and it can be linked (the element allows having the `linkHref` attribute).\n *\n * @params {module:engine/model/element~Element|null} element\n * @params {module:engine/model/schema~Schema} schema\n * @returns {Boolean}\n */\nexport function isImageAllowed( element, schema ) {\n\tif ( !element ) {\n\t\treturn false;\n\t}\n\n\treturn element.is( 'element', 'image' ) && schema.checkAttribute( 'image', 'linkHref' );\n}\n\n/**\n * Returns `true` if the specified `value` is an email.\n *\n * @params {String} value\n * @returns {Boolean}\n */\nexport function isEmail( value ) {\n\treturn EMAIL_REG_EXP.test( value );\n}\n\n/**\n * Adds the protocol prefix to the specified `link` when:\n *\n * * it does not contain it already, and there is a {@link module:link/link~LinkConfig#defaultProtocol `defaultProtocol` }\n * configuration value provided,\n * * or the link is an email address.\n *\n *\n * @params {String} link\n * @params {String} defaultProtocol\n * @returns {Boolean}\n */\nexport function addLinkProtocolIfApplicable( link, defaultProtocol ) {\n\tconst protocol = isEmail( link ) ? 'mailto:' : defaultProtocol;\n\tconst isProtocolNeeded = !!protocol && !PROTOCOL_REG_EXP.test( link );\n\n\treturn link && isProtocolNeeded ? protocol + link : link;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/linkcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport findAttributeRange from '@ckeditor/ckeditor5-typing/src/utils/findattributerange';\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\nimport AutomaticDecorators from './utils/automaticdecorators';\nimport { isImageAllowed } from './utils';\n\n/**\n * The link command. It is used by the {@link module:link/link~Link link feature}.\n *\n * @extends module:core/command~Command\n */\nexport default class LinkCommand extends Command {\n\t/**\n\t * The value of the `'linkHref'` attribute if the start of the selection is located in a node with this attribute.\n\t *\n\t * @observable\n\t * @readonly\n\t * @member {Object|undefined} #value\n\t */\n\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A collection of {@link module:link/utils~ManualDecorator manual decorators}\n\t\t * corresponding to the {@link module:link/link~LinkConfig#decorators decorator configuration}.\n\t\t *\n\t\t * You can consider it a model with states of manual decorators added to the currently selected link.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/collection~Collection}\n\t\t */\n\t\tthis.manualDecorators = new Collection();\n\n\t\t/**\n\t\t * An instance of the helper that ties together all {@link module:link/link~LinkDecoratorAutomaticDefinition}\n\t\t * that are used by the {@glink features/link link} and the {@glink features/image#linking-images linking images} features.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:link/utils~AutomaticDecorators}\n\t\t */\n\t\tthis.automaticDecorators = new AutomaticDecorators();\n\t}\n\n\t/**\n\t * Synchronizes the state of {@link #manualDecorators} with the currently present elements in the model.\n\t */\n\trestoreManualDecoratorStates() {\n\t\tfor ( const manualDecorator of this.manualDecorators ) {\n\t\t\tmanualDecorator.value = this._getDecoratorStateFromModel( manualDecorator.id );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tconst selectedElement = first( doc.selection.getSelectedBlocks() );\n\n\t\t// A check for the `LinkImage` plugin. If the selection contains an element, get values from the element.\n\t\t// Currently the selection reads attributes from text nodes only. See #7429 and #7465.\n\t\tif ( isImageAllowed( selectedElement, model.schema ) ) {\n\t\t\tthis.value = selectedElement.getAttribute( 'linkHref' );\n\t\t\tthis.isEnabled = model.schema.checkAttribute( selectedElement, 'linkHref' );\n\t\t} else {\n\t\t\tthis.value = doc.selection.getAttribute( 'linkHref' );\n\t\t\tthis.isEnabled = model.schema.checkAttributeInSelection( doc.selection, 'linkHref' );\n\t\t}\n\n\t\tfor ( const manualDecorator of this.manualDecorators ) {\n\t\t\tmanualDecorator.value = this._getDecoratorStateFromModel( manualDecorator.id );\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * When the selection is non-collapsed, the `linkHref` attribute will be applied to nodes inside the selection, but only to\n\t * those nodes where the `linkHref` attribute is allowed (disallowed nodes will be omitted).\n\t *\n\t * When the selection is collapsed and is not inside the text with the `linkHref` attribute, a\n\t * new {@link module:engine/model/text~Text text node} with the `linkHref` attribute will be inserted in place of the caret, but\n\t * only if such element is allowed in this place. The `_data` of the inserted text will equal the `href` parameter.\n\t * The selection will be updated to wrap the just inserted text node.\n\t *\n\t * When the selection is collapsed and inside the text with the `linkHref` attribute, the attribute value will be updated.\n\t *\n\t * # Decorators and model attribute management\n\t *\n\t * There is an optional argument to this command that applies or removes model\n\t * {@glink framework/guides/architecture/editing-engine#text-attributes text attributes} brought by\n\t * {@link module:link/utils~ManualDecorator manual link decorators}.\n\t *\n\t * Text attribute names in the model correspond to the entries in the {@link module:link/link~LinkConfig#decorators configuration}.\n\t * For every decorator configured, a model text attribute exists with the \"link\" prefix. For example, a `'linkMyDecorator'` attribute\n\t * corresponds to `'myDecorator'` in the configuration.\n\t *\n\t * To learn more about link decorators, check out the {@link module:link/link~LinkConfig#decorators `config.link.decorators`}\n\t * documentation.\n\t *\n\t * Here is how to manage decorator attributes with the link command:\n\t *\n\t *\t\tconst linkCommand = editor.commands.get( 'link' );\n\t *\n\t *\t\t// Adding a new decorator attribute.\n\t *\t\tlinkCommand.execute( 'http://example.com', {\n\t *\t\t\tlinkIsExternal: true\n\t *\t\t} );\n\t *\n\t *\t\t// Removing a decorator attribute from the selection.\n\t *\t\tlinkCommand.execute( 'http://example.com', {\n\t *\t\t\tlinkIsExternal: false\n\t *\t\t} );\n\t *\n\t *\t\t// Adding multiple decorator attributes at the same time.\n\t *\t\tlinkCommand.execute( 'http://example.com', {\n\t *\t\t\tlinkIsExternal: true,\n\t *\t\t\tlinkIsDownloadable: true,\n\t *\t\t} );\n\t *\n\t *\t\t// Removing and adding decorator attributes at the same time.\n\t *\t\tlinkCommand.execute( 'http://example.com', {\n\t *\t\t\tlinkIsExternal: false,\n\t *\t\t\tlinkFoo: true,\n\t *\t\t\tlinkIsDownloadable: false,\n\t *\t\t} );\n\t *\n\t * **Note**: If the decorator attribute name is not specified, its state remains untouched.\n\t *\n\t * **Note**: {@link module:link/unlinkcommand~UnlinkCommand#execute `UnlinkCommand#execute()`} removes all\n\t * decorator attributes.\n\t *\n\t * @fires execute\n\t * @param {String} href Link destination.\n\t * @param {Object} [manualDecoratorIds={}] The information about manual decorator attributes to be applied or removed upon execution.\n\t */\n\texecute( href, manualDecoratorIds = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\t// Stores information about manual decorators to turn them on/off when command is applied.\n\t\tconst truthyManualDecorators = [];\n\t\tconst falsyManualDecorators = [];\n\n\t\tfor ( const name in manualDecoratorIds ) {\n\t\t\tif ( manualDecoratorIds[ name ] ) {\n\t\t\t\ttruthyManualDecorators.push( name );\n\t\t\t} else {\n\t\t\t\tfalsyManualDecorators.push( name );\n\t\t\t}\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\t// If selection is collapsed then update selected link or insert new one at the place of caret.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\tconst position = selection.getFirstPosition();\n\n\t\t\t\t// When selection is inside text with `linkHref` attribute.\n\t\t\t\tif ( selection.hasAttribute( 'linkHref' ) ) {\n\t\t\t\t\t// Then update `linkHref` value.\n\t\t\t\t\tconst linkRange = findAttributeRange( position, 'linkHref', selection.getAttribute( 'linkHref' ), model );\n\n\t\t\t\t\twriter.setAttribute( 'linkHref', href, linkRange );\n\n\t\t\t\t\ttruthyManualDecorators.forEach( item => {\n\t\t\t\t\t\twriter.setAttribute( item, true, linkRange );\n\t\t\t\t\t} );\n\n\t\t\t\t\tfalsyManualDecorators.forEach( item => {\n\t\t\t\t\t\twriter.removeAttribute( item, linkRange );\n\t\t\t\t\t} );\n\n\t\t\t\t\t// Put the selection at the end of the updated link.\n\t\t\t\t\twriter.setSelection( writer.createPositionAfter( linkRange.end.nodeBefore ) );\n\t\t\t\t}\n\t\t\t\t// If not then insert text node with `linkHref` attribute in place of caret.\n\t\t\t\t// However, since selection is collapsed, attribute value will be used as data for text node.\n\t\t\t\t// So, if `href` is empty, do not create text node.\n\t\t\t\telse if ( href !== '' ) {\n\t\t\t\t\tconst attributes = toMap( selection.getAttributes() );\n\n\t\t\t\t\tattributes.set( 'linkHref', href );\n\n\t\t\t\t\ttruthyManualDecorators.forEach( item => {\n\t\t\t\t\t\tattributes.set( item, true );\n\t\t\t\t\t} );\n\n\t\t\t\t\tconst { end: positionAfter } = model.insertContent( writer.createText( href, attributes ), position );\n\n\t\t\t\t\t// Put the selection at the end of the inserted link.\n\t\t\t\t\t// Using end of range returned from insertContent in case nodes with the same attributes got merged.\n\t\t\t\t\twriter.setSelection( positionAfter );\n\t\t\t\t}\n\n\t\t\t\t// Remove the `linkHref` attribute and all link decorators from the selection.\n\t\t\t\t// It stops adding a new content into the link element.\n\t\t\t\t[ 'linkHref', ...truthyManualDecorators, ...falsyManualDecorators ].forEach( item => {\n\t\t\t\t\twriter.removeSelectionAttribute( item );\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\t// If selection has non-collapsed ranges, we change attribute on nodes inside those ranges\n\t\t\t\t// omitting nodes where the `linkHref` attribute is disallowed.\n\t\t\t\tconst ranges = model.schema.getValidRanges( selection.getRanges(), 'linkHref' );\n\n\t\t\t\t// But for the first, check whether the `linkHref` attribute is allowed on selected blocks (e.g. the \"image\" element).\n\t\t\t\tconst allowedRanges = [];\n\n\t\t\t\tfor ( const element of selection.getSelectedBlocks() ) {\n\t\t\t\t\tif ( model.schema.checkAttribute( element, 'linkHref' ) ) {\n\t\t\t\t\t\tallowedRanges.push( writer.createRangeOn( element ) );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Ranges that accept the `linkHref` attribute. Since we will iterate over `allowedRanges`, let's clone it.\n\t\t\t\tconst rangesToUpdate = allowedRanges.slice();\n\n\t\t\t\t// For all selection ranges we want to check whether given range is inside an element that accepts the `linkHref` attribute.\n\t\t\t\t// If so, we don't want to propagate applying the attribute to its children.\n\t\t\t\tfor ( const range of ranges ) {\n\t\t\t\t\tif ( this._isRangeToUpdate( range, allowedRanges ) ) {\n\t\t\t\t\t\trangesToUpdate.push( range );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tfor ( const range of rangesToUpdate ) {\n\t\t\t\t\twriter.setAttribute( 'linkHref', href, range );\n\n\t\t\t\t\ttruthyManualDecorators.forEach( item => {\n\t\t\t\t\t\twriter.setAttribute( item, true, range );\n\t\t\t\t\t} );\n\n\t\t\t\t\tfalsyManualDecorators.forEach( item => {\n\t\t\t\t\t\twriter.removeAttribute( item, range );\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Provides information whether a decorator with a given name is present in the currently processed selection.\n\t *\n\t * @private\n\t * @param {String} decoratorName The name of the manual decorator used in the model\n\t * @returns {Boolean} The information whether a given decorator is currently present in the selection.\n\t */\n\t_getDecoratorStateFromModel( decoratorName ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tconst selectedElement = first( doc.selection.getSelectedBlocks() );\n\n\t\t// A check for the `LinkImage` plugin. If the selection contains an element, get values from the element.\n\t\t// Currently the selection reads attributes from text nodes only. See #7429 and #7465.\n\t\tif ( isImageAllowed( selectedElement, model.schema ) ) {\n\t\t\treturn selectedElement.getAttribute( decoratorName );\n\t\t}\n\n\t\treturn doc.selection.getAttribute( decoratorName );\n\t}\n\n\t/**\n\t * Checks whether specified `range` is inside an element that accepts the `linkHref` attribute.\n\t *\n\t * @private\n\t * @param {module:engine/view/range~Range} range A range to check.\n\t * @param {Array.<module:engine/view/range~Range>} allowedRanges An array of ranges created on elements where the attribute is accepted.\n\t * @returns {Boolean}\n\t */\n\t_isRangeToUpdate( range, allowedRanges ) {\n\t\tfor ( const allowedRange of allowedRanges ) {\n\t\t\t// A range is inside an element that will have the `linkHref` attribute. Do not modify its nodes.\n\t\t\tif ( allowedRange.containsRange( range ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/unlinkcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport findAttributeRange from '@ckeditor/ckeditor5-typing/src/utils/findattributerange';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\nimport { isImageAllowed } from './utils';\n\n/**\n * The unlink command. It is used by the {@link module:link/link~Link link plugin}.\n *\n * @extends module:core/command~Command\n */\nexport default class UnlinkCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tconst selectedElement = first( doc.selection.getSelectedBlocks() );\n\n\t\t// A check for the `LinkImage` plugin. If the selection contains an image element, get values from the element.\n\t\t// Currently the selection reads attributes from text nodes only. See #7429 and #7465.\n\t\tif ( isImageAllowed( selectedElement, model.schema ) ) {\n\t\t\tthis.isEnabled = model.schema.checkAttribute( selectedElement, 'linkHref' );\n\t\t} else {\n\t\t\tthis.isEnabled = model.schema.checkAttributeInSelection( doc.selection, 'linkHref' );\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * When the selection is collapsed, it removes the `linkHref` attribute from each node with the same `linkHref` attribute value.\n\t * When the selection is non-collapsed, it removes the `linkHref` attribute from each node in selected ranges.\n\t *\n\t * # Decorators\n\t *\n\t * If {@link module:link/link~LinkConfig#decorators `config.link.decorators`} is specified,\n\t * all configured decorators are removed together with the `linkHref` attribute.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\n\t\tmodel.change( writer => {\n\t\t\t// Get ranges to unlink.\n\t\t\tconst rangesToUnlink = selection.isCollapsed ?\n\t\t\t\t[ findAttributeRange(\n\t\t\t\t\tselection.getFirstPosition(),\n\t\t\t\t\t'linkHref',\n\t\t\t\t\tselection.getAttribute( 'linkHref' ),\n\t\t\t\t\tmodel\n\t\t\t\t) ] :\n\t\t\t\tmodel.schema.getValidRanges( selection.getRanges(), 'linkHref' );\n\n\t\t\t// Remove `linkHref` attribute from specified ranges.\n\t\t\tfor ( const range of rangesToUnlink ) {\n\t\t\t\twriter.removeAttribute( 'linkHref', range );\n\t\t\t\t// If there are registered custom attributes, then remove them during unlink.\n\t\t\t\tif ( linkCommand ) {\n\t\t\t\t\tfor ( const manualDecorator of linkCommand.manualDecorators ) {\n\t\t\t\t\t\twriter.removeAttribute( manualDecorator.id, range );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/utils\n */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Helper class that stores manual decorators with observable {@link module:link/utils~ManualDecorator#value}\n * to support integration with the UI state. An instance of this class is a model with the state of individual manual decorators.\n * These decorators are kept as collections in {@link module:link/linkcommand~LinkCommand#manualDecorators}.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class ManualDecorator {\n\t/**\n\t * Creates a new instance of {@link module:link/utils~ManualDecorator}.\n\t *\n\t * @param {Object} config\n\t * @param {String} config.id The name of the attribute used in the model that represents a given manual decorator.\n\t * For example: `'linkIsExternal'`.\n\t * @param {String} config.label The label used in the user interface to toggle the manual decorator.\n\t * @param {Object} config.attributes A set of attributes added to output data when the decorator is active for a specific link.\n\t * Attributes should keep the format of attributes defined in {@link module:engine/view/elementdefinition~ElementDefinition}.\n\t * @param {Boolean} [config.defaultValue] Controls whether the decorator is \"on\" by default.\n\t */\n\tconstructor( { id, label, attributes, defaultValue } ) {\n\t\t/**\n\t\t * An ID of a manual decorator which is the name of the attribute in the model, for example: 'linkManualDecorator0'.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.id = id;\n\n\t\t/**\n\t\t * The value of the current manual decorator. It reflects its state from the UI.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} module:link/utils~ManualDecorator#value\n\t\t */\n\t\tthis.set( 'value' );\n\n\t\t/**\n\t\t * The default value of manual decorator.\n\t\t *\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis.defaultValue = defaultValue;\n\n\t\t/**\n\t\t * The label used in the user interface to toggle the manual decorator.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.label = label;\n\n\t\t/**\n\t\t * A set of attributes added to downcasted data when the decorator is activated for a specific link.\n\t\t * Attributes should be added in a form of attributes defined in {@link module:engine/view/elementdefinition~ElementDefinition}.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.attributes = attributes;\n\t}\n}\n\nmix( ManualDecorator, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/linkediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport MouseObserver from '@ckeditor/ckeditor5-engine/src/view/observer/mouseobserver';\nimport TwoStepCaretMovement from '@ckeditor/ckeditor5-typing/src/twostepcaretmovement';\nimport inlineHighlight from '@ckeditor/ckeditor5-typing/src/utils/inlinehighlight';\nimport Input from '@ckeditor/ckeditor5-typing/src/input';\nimport Clipboard from '@ckeditor/ckeditor5-clipboard/src/clipboard';\nimport LinkCommand from './linkcommand';\nimport UnlinkCommand from './unlinkcommand';\nimport ManualDecorator from './utils/manualdecorator';\nimport findAttributeRange from '@ckeditor/ckeditor5-typing/src/utils/findattributerange';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport { createLinkElement, ensureSafeUrl, getLocalizedDecorators, normalizeDecorators } from './utils';\n\nimport '../theme/link.css';\n\nconst HIGHLIGHT_CLASS = 'ck-link_selected';\nconst DECORATOR_AUTOMATIC = 'automatic';\nconst DECORATOR_MANUAL = 'manual';\nconst EXTERNAL_LINKS_REGEXP = /^(https?:)?\\/\\//;\n\n/**\n * The link engine feature.\n *\n * It introduces the `linkHref=\"url\"` attribute in the model which renders to the view as a `<a href=\"url\">` element\n * as well as `'link'` and `'unlink'` commands.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class LinkEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'LinkEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\t// Clipboard is required for handling cut and paste events while typing over the link.\n\t\treturn [ TwoStepCaretMovement, Input, Clipboard ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'link', {\n\t\t\taddTargetToExternalLinks: false\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Allow link attribute on all inline nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: 'linkHref' } );\n\n\t\teditor.conversion.for( 'dataDowncast' )\n\t\t\t.attributeToElement( { model: 'linkHref', view: createLinkElement } );\n\n\t\teditor.conversion.for( 'editingDowncast' )\n\t\t\t.attributeToElement( { model: 'linkHref', view: ( href, conversionApi ) => {\n\t\t\t\treturn createLinkElement( ensureSafeUrl( href ), conversionApi );\n\t\t\t} } );\n\n\t\teditor.conversion.for( 'upcast' )\n\t\t\t.elementToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'a',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\thref: true\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\tmodel: {\n\t\t\t\t\tkey: 'linkHref',\n\t\t\t\t\tvalue: viewElement => viewElement.getAttribute( 'href' )\n\t\t\t\t}\n\t\t\t} );\n\n\t\t// Create linking commands.\n\t\teditor.commands.add( 'link', new LinkCommand( editor ) );\n\t\teditor.commands.add( 'unlink', new UnlinkCommand( editor ) );\n\n\t\tconst linkDecorators = getLocalizedDecorators( editor.t, normalizeDecorators( editor.config.get( 'link.decorators' ) ) );\n\n\t\tthis._enableAutomaticDecorators( linkDecorators.filter( item => item.mode === DECORATOR_AUTOMATIC ) );\n\t\tthis._enableManualDecorators( linkDecorators.filter( item => item.mode === DECORATOR_MANUAL ) );\n\n\t\t// Enable two-step caret movement for `linkHref` attribute.\n\t\tconst twoStepCaretMovementPlugin = editor.plugins.get( TwoStepCaretMovement );\n\t\ttwoStepCaretMovementPlugin.registerAttribute( 'linkHref' );\n\n\t\t// Setup highlight over selected link.\n\t\tinlineHighlight( editor, 'linkHref', 'a', HIGHLIGHT_CLASS );\n\n\t\t// Change the attributes of the selection in certain situations after the link was inserted into the document.\n\t\tthis._enableInsertContentSelectionAttributesFixer();\n\n\t\t// Handle a click at the beginning/end of a link element.\n\t\tthis._enableClickingAfterLink();\n\n\t\t// Handle typing over the link.\n\t\tthis._enableTypingOverLink();\n\n\t\t// Handle removing the content after the link element.\n\t\tthis._handleDeleteContentAfterLink();\n\t}\n\n\t/**\n\t * Processes an array of configured {@link module:link/link~LinkDecoratorAutomaticDefinition automatic decorators}\n\t * and registers a {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher downcast dispatcher}\n\t * for each one of them. Downcast dispatchers are obtained using the\n\t * {@link module:link/utils~AutomaticDecorators#getDispatcher} method.\n\t *\n\t * **Note**: This method also activates the automatic external link decorator if enabled with\n\t * {@link module:link/link~LinkConfig#addTargetToExternalLinks `config.link.addTargetToExternalLinks`}.\n\t *\n\t * @private\n\t * @param {Array.<module:link/link~LinkDecoratorAutomaticDefinition>} automaticDecoratorDefinitions\n\t */\n\t_enableAutomaticDecorators( automaticDecoratorDefinitions ) {\n\t\tconst editor = this.editor;\n\t\t// Store automatic decorators in the command instance as we do the same with manual decorators.\n\t\t// Thanks to that, `LinkImageEditing` plugin can re-use the same definitions.\n\t\tconst command = editor.commands.get( 'link' );\n\t\tconst automaticDecorators = command.automaticDecorators;\n\n\t\t// Adds a default decorator for external links.\n\t\tif ( editor.config.get( 'link.addTargetToExternalLinks' ) ) {\n\t\t\tautomaticDecorators.add( {\n\t\t\t\tid: 'linkIsExternal',\n\t\t\t\tmode: DECORATOR_AUTOMATIC,\n\t\t\t\tcallback: url => EXTERNAL_LINKS_REGEXP.test( url ),\n\t\t\t\tattributes: {\n\t\t\t\t\ttarget: '_blank',\n\t\t\t\t\trel: 'noopener noreferrer'\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\n\t\tautomaticDecorators.add( automaticDecoratorDefinitions );\n\n\t\tif ( automaticDecorators.length ) {\n\t\t\teditor.conversion.for( 'downcast' ).add( automaticDecorators.getDispatcher() );\n\t\t}\n\t}\n\n\t/**\n\t * Processes an array of configured {@link module:link/link~LinkDecoratorManualDefinition manual decorators},\n\t * transforms them into {@link module:link/utils~ManualDecorator} instances and stores them in the\n\t * {@link module:link/linkcommand~LinkCommand#manualDecorators} collection (a model for manual decorators state).\n\t *\n\t * Also registers an {@link module:engine/conversion/downcasthelpers~DowncastHelpers#attributeToElement attribute-to-element}\n\t * converter for each manual decorator and extends the {@link module:engine/model/schema~Schema model's schema}\n\t * with adequate model attributes.\n\t *\n\t * @private\n\t * @param {Array.<module:link/link~LinkDecoratorManualDefinition>} manualDecoratorDefinitions\n\t */\n\t_enableManualDecorators( manualDecoratorDefinitions ) {\n\t\tif ( !manualDecoratorDefinitions.length ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\t\tconst command = editor.commands.get( 'link' );\n\t\tconst manualDecorators = command.manualDecorators;\n\n\t\tmanualDecoratorDefinitions.forEach( decorator => {\n\t\t\teditor.model.schema.extend( '$text', { allowAttributes: decorator.id } );\n\n\t\t\t// Keeps reference to manual decorator to decode its name to attributes during downcast.\n\t\t\tmanualDecorators.add( new ManualDecorator( decorator ) );\n\n\t\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t\t\t\tmodel: decorator.id,\n\t\t\t\tview: ( manualDecoratorName, { writer } ) => {\n\t\t\t\t\tif ( manualDecoratorName ) {\n\t\t\t\t\t\tconst attributes = manualDecorators.get( decorator.id ).attributes;\n\t\t\t\t\t\tconst element = writer.createAttributeElement( 'a', attributes, { priority: 5 } );\n\t\t\t\t\t\twriter.setCustomProperty( 'link', true, element );\n\n\t\t\t\t\t\treturn element;\n\t\t\t\t\t}\n\t\t\t\t} } );\n\n\t\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'a',\n\t\t\t\t\tattributes: manualDecorators.get( decorator.id ).attributes\n\t\t\t\t},\n\t\t\t\tmodel: {\n\t\t\t\t\tkey: decorator.id\n\t\t\t\t}\n\t\t\t} );\n\t\t} );\n\t}\n\n\t/**\n\t * Starts listening to {@link module:engine/model/model~Model#event:insertContent} and corrects the model\n\t * selection attributes if the selection is at the end of a link after inserting the content.\n\t *\n\t * The purpose of this action is to improve the overall UX because the user is no longer \"trapped\" by the\n\t * `linkHref` attribute of the selection and they can type a \"clean\" (`linkHref`–less) text right away.\n\t *\n\t * See https://github.com/ckeditor/ckeditor5/issues/6053.\n\t *\n\t * @private\n\t */\n\t_enableInsertContentSelectionAttributesFixer() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\n\t\tthis.listenTo( model, 'insertContent', () => {\n\t\t\tconst nodeBefore = selection.anchor.nodeBefore;\n\t\t\tconst nodeAfter = selection.anchor.nodeAfter;\n\n\t\t\t// NOTE: ↰ and ↱ represent the gravity of the selection.\n\n\t\t\t// The only truly valid case is:\n\t\t\t//\n\t\t\t//\t\t                                 ↰\n\t\t\t//\t\t...<$text linkHref=\"foo\">INSERTED[]</$text>\n\t\t\t//\n\t\t\t// If the selection is not \"trapped\" by the `linkHref` attribute after inserting, there's nothing\n\t\t\t// to fix there.\n\t\t\tif ( !selection.hasAttribute( 'linkHref' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Filter out the following case where a link with the same href (e.g. <a href=\"foo\">INSERTED</a>) is inserted\n\t\t\t// in the middle of an existing link:\n\t\t\t//\n\t\t\t// Before insertion:\n\t\t\t//\t\t                       ↰\n\t\t\t//\t\t<$text linkHref=\"foo\">l[]ink</$text>\n\t\t\t//\n\t\t\t// Expected after insertion:\n\t\t\t//\t\t                               ↰\n\t\t\t//\t\t<$text linkHref=\"foo\">lINSERTED[]ink</$text>\n\t\t\t//\n\t\t\tif ( !nodeBefore ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Filter out the following case where the selection has the \"linkHref\" attribute because the\n\t\t\t// gravity is overridden and some text with another attribute (e.g. <b>INSERTED</b>) is inserted:\n\t\t\t//\n\t\t\t// Before insertion:\n\t\t\t//\n\t\t\t//\t\t                       ↱\n\t\t\t//\t\t<$text linkHref=\"foo\">[]link</$text>\n\t\t\t//\n\t\t\t// Expected after insertion:\n\t\t\t//\n\t\t\t//\t\t                                                          ↱\n\t\t\t//\t\t<$text bold=\"true\">INSERTED</$text><$text linkHref=\"foo\">[]link</$text>\n\t\t\t//\n\t\t\tif ( !nodeBefore.hasAttribute( 'linkHref' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Filter out the following case where a link is a inserted in the middle (or before) another link\n\t\t\t// (different URLs, so they will not merge). In this (let's say weird) case, we can leave the selection\n\t\t\t// attributes as they are because the user will end up writing in one link or another anyway.\n\t\t\t//\n\t\t\t// Before insertion:\n\t\t\t//\n\t\t\t//\t\t                       ↰\n\t\t\t//\t\t<$text linkHref=\"foo\">l[]ink</$text>\n\t\t\t//\n\t\t\t// Expected after insertion:\n\t\t\t//\n\t\t\t//\t\t                                                             ↰\n\t\t\t//\t\t<$text linkHref=\"foo\">l</$text><$text linkHref=\"bar\">INSERTED[]</$text><$text linkHref=\"foo\">ink</$text>\n\t\t\t//\n\t\t\tif ( nodeAfter && nodeAfter.hasAttribute( 'linkHref' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tmodel.change( writer => {\n\t\t\t\tremoveLinkAttributesFromSelection( writer, linkCommand.manualDecorators );\n\t\t\t} );\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * Starts listening to {@link module:engine/view/document~Document#event:mousedown} and\n\t * {@link module:engine/view/document~Document#event:selectionChange} and puts the selection before/after a link node\n\t * if clicked at the beginning/ending of the link.\n\t *\n\t * The purpose of this action is to allow typing around the link node directly after a click.\n\t *\n\t * See https://github.com/ckeditor/ckeditor5/issues/1016.\n\t *\n\t * @private\n\t */\n\t_enableClickingAfterLink() {\n\t\tconst editor = this.editor;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\n\t\teditor.editing.view.addObserver( MouseObserver );\n\n\t\tlet clicked = false;\n\n\t\t// Detect the click.\n\t\tthis.listenTo( editor.editing.view.document, 'mousedown', () => {\n\t\t\tclicked = true;\n\t\t} );\n\n\t\t// When the selection has changed...\n\t\tthis.listenTo( editor.editing.view.document, 'selectionChange', () => {\n\t\t\tif ( !clicked ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// ...and it was caused by the click...\n\t\t\tclicked = false;\n\n\t\t\tconst selection = editor.model.document.selection;\n\n\t\t\t// ...and no text is selected...\n\t\t\tif ( !selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// ...and clicked text is the link...\n\t\t\tif ( !selection.hasAttribute( 'linkHref' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst position = selection.getFirstPosition();\n\t\t\tconst linkRange = findAttributeRange( position, 'linkHref', selection.getAttribute( 'linkHref' ), editor.model );\n\n\t\t\t// ...check whether clicked start/end boundary of the link.\n\t\t\t// If so, remove the `linkHref` attribute.\n\t\t\tif ( position.isTouching( linkRange.start ) || position.isTouching( linkRange.end ) ) {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\tremoveLinkAttributesFromSelection( writer, linkCommand.manualDecorators );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Starts listening to {@link module:engine/model/model~Model#deleteContent} and {@link module:engine/model/model~Model#insertContent}\n\t * and checks whether typing over the link. If so, attributes of removed text are preserved and applied to the inserted text.\n\t *\n\t * The purpose of this action is to allow modifying a text without loosing the `linkHref` attribute (and other).\n\t *\n\t * See https://github.com/ckeditor/ckeditor5/issues/4762.\n\t *\n\t * @private\n\t */\n\t_enableTypingOverLink() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\n\t\t// Selection attributes when started typing over the link.\n\t\tlet selectionAttributes;\n\n\t\t// Whether pressed `Backspace` or `Delete`. If so, attributes should not be preserved.\n\t\tlet deletedContent;\n\n\t\t// Detect pressing `Backspace` / `Delete`.\n\t\tthis.listenTo( view.document, 'delete', () => {\n\t\t\tdeletedContent = true;\n\t\t}, { priority: 'high' } );\n\n\t\t// Listening to `model#deleteContent` allows detecting whether selected content was a link.\n\t\t// If so, before removing the element, we will copy its attributes.\n\t\tthis.listenTo( editor.model, 'deleteContent', () => {\n\t\t\tconst selection = editor.model.document.selection;\n\n\t\t\t// Copy attributes only if anything is selected.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// When the content was deleted, do not preserve attributes.\n\t\t\tif ( deletedContent ) {\n\t\t\t\tdeletedContent = false;\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Enabled only when typing.\n\t\t\tif ( !isTyping( editor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( shouldCopyAttributes( editor.model ) ) {\n\t\t\t\tselectionAttributes = selection.getAttributes();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\t// Listening to `model#insertContent` allows detecting the content insertion.\n\t\t// We want to apply attributes that were removed while typing over the link.\n\t\tthis.listenTo( editor.model, 'insertContent', ( evt, [ element ] ) => {\n\t\t\tdeletedContent = false;\n\n\t\t\t// Enabled only when typing.\n\t\t\tif ( !isTyping( editor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !selectionAttributes ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\teditor.model.change( writer => {\n\t\t\t\tfor ( const [ attribute, value ] of selectionAttributes ) {\n\t\t\t\t\twriter.setAttribute( attribute, value, element );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tselectionAttributes = null;\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * Starts listening to {@link module:engine/model/model~Model#deleteContent} and checks whether\n\t * removing a content right after the \"linkHref\" attribute.\n\t *\n\t * If so, the selection should not preserve the `linkHref` attribute. However, if\n\t * the {@link module:typing/twostepcaretmovement~TwoStepCaretMovement} plugin is active and\n\t * the selection has the \"linkHref\" attribute due to overriden gravity (at the end), the `linkHref` attribute should stay untouched.\n\t *\n\t * The purpose of this action is to allow removing the link text and keep the selection outside the link.\n\t *\n\t * See https://github.com/ckeditor/ckeditor5/issues/7521.\n\t *\n\t * @private\n\t */\n\t_handleDeleteContentAfterLink() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst view = editor.editing.view;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\n\t\t// A flag whether attributes `linkHref` attribute should be preserved.\n\t\tlet shouldPreserveAttributes = false;\n\n\t\t// A flag whether the `Backspace` key was pressed.\n\t\tlet hasBackspacePressed = false;\n\n\t\t// Detect pressing `Backspace`.\n\t\tthis.listenTo( view.document, 'delete', ( evt, data ) => {\n\t\t\thasBackspacePressed = data.domEvent.keyCode === keyCodes.backspace;\n\t\t}, { priority: 'high' } );\n\n\t\t// Before removing the content, check whether the selection is inside a link or at the end of link but with 2-SCM enabled.\n\t\t// If so, we want to preserve link attributes.\n\t\tthis.listenTo( model, 'deleteContent', () => {\n\t\t\t// Reset the state.\n\t\t\tshouldPreserveAttributes = false;\n\n\t\t\tconst position = selection.getFirstPosition();\n\t\t\tconst linkHref = selection.getAttribute( 'linkHref' );\n\n\t\t\tif ( !linkHref ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst linkRange = findAttributeRange( position, 'linkHref', linkHref, model );\n\n\t\t\t// Preserve `linkHref` attribute if the selection is in the middle of the link or\n\t\t\t// the selection is at the end of the link and 2-SCM is activated.\n\t\t\tshouldPreserveAttributes = linkRange.containsPosition( position ) || linkRange.end.isEqual( position );\n\t\t}, { priority: 'high' } );\n\n\t\t// After removing the content, check whether the current selection should preserve the `linkHref` attribute.\n\t\tthis.listenTo( model, 'deleteContent', () => {\n\t\t\t// If didn't press `Backspace`.\n\t\t\tif ( !hasBackspacePressed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\thasBackspacePressed = false;\n\n\t\t\t// Disable the mechanism if inside a link (`<$text url=\"foo\">F[]oo</$text>` or <$text url=\"foo\">Foo[]</$text>`).\n\t\t\tif ( shouldPreserveAttributes ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Use `model.enqueueChange()` in order to execute the callback at the end of the changes process.\n\t\t\teditor.model.enqueueChange( writer => {\n\t\t\t\tremoveLinkAttributesFromSelection( writer, linkCommand.manualDecorators );\n\t\t\t} );\n\t\t}, { priority: 'low' } );\n\t}\n}\n\n// Make the selection free of link-related model attributes.\n// All link-related model attributes start with \"link\". That includes not only \"linkHref\"\n// but also all decorator attributes (they have dynamic names).\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:utils/collection~Collection} manualDecorators\nfunction removeLinkAttributesFromSelection( writer, manualDecorators ) {\n\twriter.removeSelectionAttribute( 'linkHref' );\n\n\tfor ( const decorator of manualDecorators ) {\n\t\twriter.removeSelectionAttribute( decorator.id );\n\t}\n}\n\n// Checks whether selection's attributes should be copied to the new inserted text.\n//\n// @param {module:engine/model/model~Model} model\n// @returns {Boolean}\nfunction shouldCopyAttributes( model ) {\n\tconst selection = model.document.selection;\n\tconst firstPosition = selection.getFirstPosition();\n\tconst lastPosition = selection.getLastPosition();\n\tconst nodeAtFirstPosition = firstPosition.nodeAfter;\n\n\t// The text link node does not exist...\n\tif ( !nodeAtFirstPosition ) {\n\t\treturn false;\n\t}\n\n\t// ...or it isn't the text node...\n\tif ( !nodeAtFirstPosition.is( '$text' ) ) {\n\t\treturn false;\n\t}\n\n\t// ...or isn't the link.\n\tif ( !nodeAtFirstPosition.hasAttribute( 'linkHref' ) ) {\n\t\treturn false;\n\t}\n\n\t// `textNode` = the position is inside the link element.\n\t// `nodeBefore` = the position is at the end of the link element.\n\tconst nodeAtLastPosition = lastPosition.textNode || lastPosition.nodeBefore;\n\n\t// If both references the same node selection contains a single text node.\n\tif ( nodeAtFirstPosition === nodeAtLastPosition ) {\n\t\treturn true;\n\t}\n\n\t// If nodes are not equal, maybe the link nodes has defined additional attributes inside.\n\t// First, we need to find the entire link range.\n\tconst linkRange = findAttributeRange( firstPosition, 'linkHref', nodeAtFirstPosition.getAttribute( 'linkHref' ), model );\n\n\t// Then we can check whether selected range is inside the found link range. If so, attributes should be preserved.\n\treturn linkRange.containsRange( model.createRange( firstPosition, lastPosition ), true );\n}\n\n// Checks whether provided changes were caused by typing.\n//\n// @params {module:core/editor/editor~Editor} editor\n// @returns {Boolean}\nfunction isTyping( editor ) {\n\tconst input = editor.plugins.get( 'Input' );\n\n\treturn input.isInput( editor.model.change( writer => writer.batch ) );\n}\n","\n/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/clickobserver\n */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * {@link module:engine/view/document~Document#event:click Click} event observer.\n *\n * Note that this observer is not available by default. To make it available it needs to be added to\n * {@link module:engine/view/view~View view controller}\n * by a {@link module:engine/view/view~View#addObserver} method.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class ClickObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = 'click';\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired when one of the editables has been clicked.\n *\n * Introduced by {@link module:engine/view/observer/clickobserver~ClickObserver}.\n *\n * Note that this event is not available by default. To make it available\n * {@link module:engine/view/observer/clickobserver~ClickObserver} needs to be added\n * to {@link module:engine/view/view~View} by a {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:engine/view/observer/clickobserver~ClickObserver\n * @event module:engine/view/document~Document#event:click\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/ui/linkformview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\nimport ViewCollection from '@ckeditor/ckeditor5-ui/src/viewcollection';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport SwitchButtonView from '@ckeditor/ckeditor5-ui/src/button/switchbuttonview';\n\nimport LabeledFieldView from '@ckeditor/ckeditor5-ui/src/labeledfield/labeledfieldview';\nimport { createLabeledInputText } from '@ckeditor/ckeditor5-ui/src/labeledfield/utils';\nimport injectCssTransitionDisabler from '@ckeditor/ckeditor5-ui/src/bindings/injectcsstransitiondisabler';\n\nimport submitHandler from '@ckeditor/ckeditor5-ui/src/bindings/submithandler';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '@ckeditor/ckeditor5-ui/src/focuscycler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\n\nimport checkIcon from '@ckeditor/ckeditor5-core/theme/icons/check.svg';\nimport cancelIcon from '@ckeditor/ckeditor5-core/theme/icons/cancel.svg';\nimport '../../theme/linkform.css';\nimport '@ckeditor/ckeditor5-ui/theme/components/responsive-form/responsiveform.css';\n\n/**\n * The link form view controller class.\n *\n * See {@link module:link/ui/linkformview~LinkFormView}.\n *\n * @extends module:ui/view~View\n */\nexport default class LinkFormView extends View {\n\t/**\n\t * Creates an instance of the {@link module:link/ui/linkformview~LinkFormView} class.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {module:link/linkcommand~LinkCommand} linkCommand Reference to {@link module:link/linkcommand~LinkCommand}.\n\t * @param {String} [protocol] A value of a protocol to be displayed in the input's placeholder.\n\t */\n\tconstructor( locale, linkCommand ) {\n\t\tsuper( locale );\n\n\t\tconst t = locale.t;\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * The URL input view.\n\t\t *\n\t\t * @member {module:ui/labeledfield/labeledfieldview~LabeledFieldView}\n\t\t */\n\t\tthis.urlInputView = this._createUrlInput();\n\n\t\t/**\n\t\t * The Save button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.saveButtonView = this._createButton( t( 'Save' ), checkIcon, 'ck-button-save' );\n\t\tthis.saveButtonView.type = 'submit';\n\n\t\t/**\n\t\t * The Cancel button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.cancelButtonView = this._createButton( t( 'Cancel' ), cancelIcon, 'ck-button-cancel', 'cancel' );\n\n\t\t/**\n\t\t * A collection of {@link module:ui/button/switchbuttonview~SwitchButtonView},\n\t\t * which corresponds to {@link module:link/linkcommand~LinkCommand#manualDecorators manual decorators}\n\t\t * configured in the editor.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._manualDecoratorSwitches = this._createManualDecoratorSwitches( linkCommand );\n\n\t\t/**\n\t\t * A collection of child views in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this._createFormChildren( linkCommand.manualDecorators );\n\n\t\t/**\n\t\t * A collection of views that can be focused in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate form fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate form fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\tconst classList = [ 'ck', 'ck-link-form', 'ck-responsive-form' ];\n\n\t\tif ( linkCommand.manualDecorators.length ) {\n\t\t\tclassList.push( 'ck-link-form_layout-vertical', 'ck-vertical-form' );\n\t\t}\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'form',\n\n\t\t\tattributes: {\n\t\t\t\tclass: classList,\n\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/90\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\n\t\t\tchildren: this.children\n\t\t} );\n\n\t\tinjectCssTransitionDisabler( this );\n\t}\n\n\t/**\n\t * Obtains the state of the {@link module:ui/button/switchbuttonview~SwitchButtonView switch buttons} representing\n\t * {@link module:link/linkcommand~LinkCommand#manualDecorators manual link decorators}\n\t * in the {@link module:link/ui/linkformview~LinkFormView}.\n\t *\n\t * @returns {Object.<String,Boolean>} Key-value pairs, where the key is the name of the decorator and the value is\n\t * its state.\n\t */\n\tgetDecoratorSwitchesState() {\n\t\treturn Array.from( this._manualDecoratorSwitches ).reduce( ( accumulator, switchButton ) => {\n\t\t\taccumulator[ switchButton.name ] = switchButton.isOn;\n\t\t\treturn accumulator;\n\t\t}, {} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tsubmitHandler( {\n\t\t\tview: this\n\t\t} );\n\n\t\tconst childViews = [\n\t\t\tthis.urlInputView,\n\t\t\t...this._manualDecoratorSwitches,\n\t\t\tthis.saveButtonView,\n\t\t\tthis.cancelButtonView\n\t\t];\n\n\t\tchildViews.forEach( v => {\n\t\t\t// Register the view as focusable.\n\t\t\tthis._focusables.add( v );\n\n\t\t\t// Register the view in the focus tracker.\n\t\t\tthis.focusTracker.add( v.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * Focuses the fist {@link #_focusables} in the form.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Creates a labeled input view.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView} Labeled field view instance.\n\t */\n\t_createUrlInput() {\n\t\tconst t = this.locale.t;\n\t\tconst labeledInput = new LabeledFieldView( this.locale, createLabeledInputText );\n\n\t\tlabeledInput.label = t( 'Link URL' );\n\n\t\treturn labeledInput;\n\t}\n\n\t/**\n\t * Creates a button view.\n\t *\n\t * @private\n\t * @param {String} label The button label.\n\t * @param {String} icon The button icon.\n\t * @param {String} className The additional button CSS class name.\n\t * @param {String} [eventName] An event name that the `ButtonView#execute` event will be delegated to.\n\t * @returns {module:ui/button/buttonview~ButtonView} The button view instance.\n\t */\n\t_createButton( label, icon, className, eventName ) {\n\t\tconst button = new ButtonView( this.locale );\n\n\t\tbutton.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\tbutton.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: className\n\t\t\t}\n\t\t} );\n\n\t\tif ( eventName ) {\n\t\t\tbutton.delegate( 'execute' ).to( this, eventName );\n\t\t}\n\n\t\treturn button;\n\t}\n\n\t/**\n\t * Populates {@link module:ui/viewcollection~ViewCollection} of {@link module:ui/button/switchbuttonview~SwitchButtonView}\n\t * made based on {@link module:link/linkcommand~LinkCommand#manualDecorators}.\n\t *\n\t * @private\n\t * @param {module:link/linkcommand~LinkCommand} linkCommand A reference to the link command.\n\t * @returns {module:ui/viewcollection~ViewCollection} of switch buttons.\n\t */\n\t_createManualDecoratorSwitches( linkCommand ) {\n\t\tconst switches = this.createCollection();\n\n\t\tfor ( const manualDecorator of linkCommand.manualDecorators ) {\n\t\t\tconst switchButton = new SwitchButtonView( this.locale );\n\n\t\t\tswitchButton.set( {\n\t\t\t\tname: manualDecorator.id,\n\t\t\t\tlabel: manualDecorator.label,\n\t\t\t\twithText: true\n\t\t\t} );\n\n\t\t\tswitchButton.bind( 'isOn' ).toMany( [ manualDecorator, linkCommand ], 'value', ( decoratorValue, commandValue ) => {\n\t\t\t\treturn commandValue === undefined && decoratorValue === undefined ? manualDecorator.defaultValue : decoratorValue;\n\t\t\t} );\n\n\t\t\tswitchButton.on( 'execute', () => {\n\t\t\t\tmanualDecorator.set( 'value', !switchButton.isOn );\n\t\t\t} );\n\n\t\t\tswitches.add( switchButton );\n\t\t}\n\n\t\treturn switches;\n\t}\n\n\t/**\n\t * Populates the {@link #children} collection of the form.\n\t *\n\t * If {@link module:link/linkcommand~LinkCommand#manualDecorators manual decorators} are configured in the editor, it creates an\n\t * additional `View` wrapping all {@link #_manualDecoratorSwitches} switch buttons corresponding\n\t * to these decorators.\n\t *\n\t * @private\n\t * @param {module:utils/collection~Collection} manualDecorators A reference to\n\t * the collection of manual decorators stored in the link command.\n\t * @returns {module:ui/viewcollection~ViewCollection} The children of link form view.\n\t */\n\t_createFormChildren( manualDecorators ) {\n\t\tconst children = this.createCollection();\n\n\t\tchildren.add( this.urlInputView );\n\n\t\tif ( manualDecorators.length ) {\n\t\t\tconst additionalButtonsView = new View();\n\n\t\t\tadditionalButtonsView.setTemplate( {\n\t\t\t\ttag: 'ul',\n\t\t\t\tchildren: this._manualDecoratorSwitches.map( switchButton => ( {\n\t\t\t\t\ttag: 'li',\n\t\t\t\t\tchildren: [ switchButton ],\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t\t'ck-list__item'\n\t\t\t\t\t\t]\n\t\t\t\t\t}\n\t\t\t\t} ) ),\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: [\n\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t'ck-reset',\n\t\t\t\t\t\t'ck-list'\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t} );\n\t\t\tchildren.add( additionalButtonsView );\n\t\t}\n\n\t\tchildren.add( this.saveButtonView );\n\t\tchildren.add( this.cancelButtonView );\n\n\t\treturn children;\n\t}\n}\n\n/**\n * Fired when the form view is submitted (when one of the children triggered the submit event),\n * for example with a click on {@link #saveButtonView}.\n *\n * @event submit\n */\n\n/**\n * Fired when the form view is canceled, for example with a click on {@link #cancelButtonView}.\n *\n * @event cancel\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/ui/linkactionsview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\nimport ViewCollection from '@ckeditor/ckeditor5-ui/src/viewcollection';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '@ckeditor/ckeditor5-ui/src/focuscycler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\n\nimport { ensureSafeUrl } from '../utils';\n\nimport unlinkIcon from '../../theme/icons/unlink.svg';\nimport pencilIcon from '@ckeditor/ckeditor5-core/theme/icons/pencil.svg';\nimport '../../theme/linkactions.css';\nimport '@ckeditor/ckeditor5-ui/theme/components/responsive-form/responsiveform.css';\n\n/**\n * The link actions view class. This view displays the link preview, allows\n * unlinking or editing the link.\n *\n * @extends module:ui/view~View\n */\nexport default class LinkActionsView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst t = locale.t;\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the actions.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * The href preview view.\n\t\t *\n\t\t * @member {module:ui/view~View}\n\t\t */\n\t\tthis.previewButtonView = this._createPreviewButton();\n\n\t\t/**\n\t\t * The unlink button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.unlinkButtonView = this._createButton( t( 'Unlink' ), unlinkIcon, 'unlink' );\n\n\t\t/**\n\t\t * The edit link button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.editButtonView = this._createButton( t( 'Edit link' ), pencilIcon, 'edit' );\n\n\t\t/**\n\t\t * The value of the \"href\" attribute of the link to use in the {@link #previewButtonView}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String}\n\t\t */\n\t\tthis.set( 'href' );\n\n\t\t/**\n\t\t * A collection of views that can be focused in the view.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the view.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-link-actions',\n\t\t\t\t\t'ck-responsive-form'\n\t\t\t\t],\n\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/90\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\tthis.previewButtonView,\n\t\t\t\tthis.editButtonView,\n\t\t\t\tthis.unlinkButtonView\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tconst childViews = [\n\t\t\tthis.previewButtonView,\n\t\t\tthis.editButtonView,\n\t\t\tthis.unlinkButtonView\n\t\t];\n\n\t\tchildViews.forEach( v => {\n\t\t\t// Register the view as focusable.\n\t\t\tthis._focusables.add( v );\n\n\t\t\t// Register the view in the focus tracker.\n\t\t\tthis.focusTracker.add( v.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * Focuses the fist {@link #_focusables} in the actions.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Creates a button view.\n\t *\n\t * @private\n\t * @param {String} label The button label.\n\t * @param {String} icon The button icon.\n\t * @param {String} [eventName] An event name that the `ButtonView#execute` event will be delegated to.\n\t * @returns {module:ui/button/buttonview~ButtonView} The button view instance.\n\t */\n\t_createButton( label, icon, eventName ) {\n\t\tconst button = new ButtonView( this.locale );\n\n\t\tbutton.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\tbutton.delegate( 'execute' ).to( this, eventName );\n\n\t\treturn button;\n\t}\n\n\t/**\n\t * Creates a link href preview button.\n\t *\n\t * @private\n\t * @returns {module:ui/button/buttonview~ButtonView} The button view instance.\n\t */\n\t_createPreviewButton() {\n\t\tconst button = new ButtonView( this.locale );\n\t\tconst bind = this.bindTemplate;\n\t\tconst t = this.t;\n\n\t\tbutton.set( {\n\t\t\twithText: true,\n\t\t\ttooltip: t( 'Open link in new tab' )\n\t\t} );\n\n\t\tbutton.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-link-actions__preview'\n\t\t\t\t],\n\t\t\t\thref: bind.to( 'href', href => href && ensureSafeUrl( href ) ),\n\t\t\t\ttarget: '_blank',\n\t\t\t\trel: 'noopener noreferrer'\n\t\t\t}\n\t\t} );\n\n\t\tbutton.bind( 'label' ).to( this, 'href', href => {\n\t\t\treturn href || t( 'This link has no URL' );\n\t\t} );\n\n\t\tbutton.bind( 'isEnabled' ).to( this, 'href', href => !!href );\n\n\t\tbutton.template.tag = 'a';\n\t\tbutton.template.eventListeners = {};\n\n\t\treturn button;\n\t}\n}\n\n/**\n * Fired when the {@link #editButtonView} is clicked.\n *\n * @event edit\n */\n\n/**\n * Fired when the {@link #unlinkButtonView} is clicked.\n *\n * @event unlink\n */\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562l-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M7.3 17.37l-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506L13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5L9.375 17H19v1.5H8z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/linkui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ClickObserver from '@ckeditor/ckeditor5-engine/src/view/observer/clickobserver';\nimport { addLinkProtocolIfApplicable, isLinkElement, LINK_KEYSTROKE } from './utils';\n\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport clickOutsideHandler from '@ckeditor/ckeditor5-ui/src/bindings/clickoutsidehandler';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport LinkFormView from './ui/linkformview';\nimport LinkActionsView from './ui/linkactionsview';\n\nimport linkIcon from '../theme/icons/link.svg';\n\nconst VISUAL_SELECTION_MARKER_NAME = 'link-ui';\n\n/**\n * The link UI plugin. It introduces the `'link'` and `'unlink'` buttons and support for the <kbd>Ctrl+K</kbd> keystroke.\n *\n * It uses the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon plugin}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class LinkUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'LinkUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\teditor.editing.view.addObserver( ClickObserver );\n\n\t\t/**\n\t\t * The actions view displayed inside of the balloon.\n\t\t *\n\t\t * @member {module:link/ui/linkactionsview~LinkActionsView}\n\t\t */\n\t\tthis.actionsView = this._createActionsView();\n\n\t\t/**\n\t\t * The form view displayed inside the balloon.\n\t\t *\n\t\t * @member {module:link/ui/linkformview~LinkFormView}\n\t\t */\n\t\tthis.formView = this._createFormView();\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t// Create toolbar buttons.\n\t\tthis._createToolbarLinkButton();\n\n\t\t// Attach lifecycle actions to the the balloon.\n\t\tthis._enableUserBalloonInteractions();\n\n\t\t// Renders a fake visual selection marker on an expanded selection.\n\t\teditor.conversion.for( 'editingDowncast' ).markerToHighlight( {\n\t\t\tmodel: VISUAL_SELECTION_MARKER_NAME,\n\t\t\tview: {\n\t\t\t\tclasses: [ 'ck-fake-link-selection' ]\n\t\t\t}\n\t\t} );\n\n\t\t// Renders a fake visual selection marker on a collapsed selection.\n\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t\t\tmodel: VISUAL_SELECTION_MARKER_NAME,\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tclasses: [ 'ck-fake-link-selection', 'ck-fake-link-selection_collapsed' ]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed (see ckeditor5#1341).\n\t\tthis.formView.destroy();\n\t}\n\n\t/**\n\t * Creates the {@link module:link/ui/linkactionsview~LinkActionsView} instance.\n\t *\n\t * @private\n\t * @returns {module:link/ui/linkactionsview~LinkActionsView} The link actions view instance.\n\t */\n\t_createActionsView() {\n\t\tconst editor = this.editor;\n\t\tconst actionsView = new LinkActionsView( editor.locale );\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\t\tconst unlinkCommand = editor.commands.get( 'unlink' );\n\n\t\tactionsView.bind( 'href' ).to( linkCommand, 'value' );\n\t\tactionsView.editButtonView.bind( 'isEnabled' ).to( linkCommand );\n\t\tactionsView.unlinkButtonView.bind( 'isEnabled' ).to( unlinkCommand );\n\n\t\t// Execute unlink command after clicking on the \"Edit\" button.\n\t\tthis.listenTo( actionsView, 'edit', () => {\n\t\t\tthis._addFormView();\n\t\t} );\n\n\t\t// Execute unlink command after clicking on the \"Unlink\" button.\n\t\tthis.listenTo( actionsView, 'unlink', () => {\n\t\t\teditor.execute( 'unlink' );\n\t\t\tthis._hideUI();\n\t\t} );\n\n\t\t// Close the panel on esc key press when the **actions have focus**.\n\t\tactionsView.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._hideUI();\n\t\t\tcancel();\n\t\t} );\n\n\t\t// Open the form view on Ctrl+K when the **actions have focus**..\n\t\tactionsView.keystrokes.set( LINK_KEYSTROKE, ( data, cancel ) => {\n\t\t\tthis._addFormView();\n\t\t\tcancel();\n\t\t} );\n\n\t\treturn actionsView;\n\t}\n\n\t/**\n\t * Creates the {@link module:link/ui/linkformview~LinkFormView} instance.\n\t *\n\t * @private\n\t * @returns {module:link/ui/linkformview~LinkFormView} The link form view instance.\n\t */\n\t_createFormView() {\n\t\tconst editor = this.editor;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\t\tconst defaultProtocol = editor.config.get( 'link.defaultProtocol' );\n\n\t\tconst formView = new LinkFormView( editor.locale, linkCommand );\n\n\t\tformView.urlInputView.fieldView.bind( 'value' ).to( linkCommand, 'value' );\n\n\t\t// Form elements should be read-only when corresponding commands are disabled.\n\t\tformView.urlInputView.bind( 'isReadOnly' ).to( linkCommand, 'isEnabled', value => !value );\n\t\tformView.saveButtonView.bind( 'isEnabled' ).to( linkCommand );\n\n\t\t// Execute link command after clicking the \"Save\" button.\n\t\tthis.listenTo( formView, 'submit', () => {\n\t\t\tconst { value } = formView.urlInputView.fieldView.element;\n\t\t\tconst parsedUrl = addLinkProtocolIfApplicable( value, defaultProtocol );\n\t\t\teditor.execute( 'link', parsedUrl, formView.getDecoratorSwitchesState() );\n\t\t\tthis._closeFormView();\n\t\t} );\n\n\t\t// Hide the panel after clicking the \"Cancel\" button.\n\t\tthis.listenTo( formView, 'cancel', () => {\n\t\t\tthis._closeFormView();\n\t\t} );\n\n\t\t// Close the panel on esc key press when the **form has focus**.\n\t\tformView.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._closeFormView();\n\t\t\tcancel();\n\t\t} );\n\n\t\treturn formView;\n\t}\n\n\t/**\n\t * Creates a toolbar Link button. Clicking this button will show\n\t * a {@link #_balloon} attached to the selection.\n\t *\n\t * @private\n\t */\n\t_createToolbarLinkButton() {\n\t\tconst editor = this.editor;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\t\tconst t = editor.t;\n\n\t\t// Handle the `Ctrl+K` keystroke and show the panel.\n\t\teditor.keystrokes.set( LINK_KEYSTROKE, ( keyEvtData, cancel ) => {\n\t\t\t// Prevent focusing the search bar in FF, Chrome and Edge. See https://github.com/ckeditor/ckeditor5/issues/4811.\n\t\t\tcancel();\n\n\t\t\tif ( linkCommand.isEnabled ) {\n\t\t\t\tthis._showUI( true );\n\t\t\t}\n\t\t} );\n\n\t\teditor.ui.componentFactory.add( 'link', locale => {\n\t\t\tconst button = new ButtonView( locale );\n\n\t\t\tbutton.isEnabled = true;\n\t\t\tbutton.label = t( 'Link' );\n\t\t\tbutton.icon = linkIcon;\n\t\t\tbutton.keystroke = LINK_KEYSTROKE;\n\t\t\tbutton.tooltip = true;\n\t\t\tbutton.isToggleable = true;\n\n\t\t\t// Bind button to the command.\n\t\t\tbutton.bind( 'isEnabled' ).to( linkCommand, 'isEnabled' );\n\t\t\tbutton.bind( 'isOn' ).to( linkCommand, 'value', value => !!value );\n\n\t\t\t// Show the panel on button click.\n\t\t\tthis.listenTo( button, 'execute', () => this._showUI( true ) );\n\n\t\t\treturn button;\n\t\t} );\n\t}\n\n\t/**\n\t * Attaches actions that control whether the balloon panel containing the\n\t * {@link #formView} is visible or not.\n\t *\n\t * @private\n\t */\n\t_enableUserBalloonInteractions() {\n\t\tconst viewDocument = this.editor.editing.view.document;\n\n\t\t// Handle click on view document and show panel when selection is placed inside the link element.\n\t\t// Keep panel open until selection will be inside the same link element.\n\t\tthis.listenTo( viewDocument, 'click', () => {\n\t\t\tconst parentLink = this._getSelectedLinkElement();\n\n\t\t\tif ( parentLink ) {\n\t\t\t\t// Then show panel but keep focus inside editor editable.\n\t\t\t\tthis._showUI();\n\t\t\t}\n\t\t} );\n\n\t\t// Focus the form if the balloon is visible and the Tab key has been pressed.\n\t\tthis.editor.keystrokes.set( 'Tab', ( data, cancel ) => {\n\t\t\tif ( this._areActionsVisible && !this.actionsView.focusTracker.isFocused ) {\n\t\t\t\tthis.actionsView.focus();\n\t\t\t\tcancel();\n\t\t\t}\n\t\t}, {\n\t\t\t// Use the high priority because the link UI navigation is more important\n\t\t\t// than other feature's actions, e.g. list indentation.\n\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/146\n\t\t\tpriority: 'high'\n\t\t} );\n\n\t\t// Close the panel on the Esc key press when the editable has focus and the balloon is visible.\n\t\tthis.editor.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tif ( this._isUIVisible ) {\n\t\t\t\tthis._hideUI();\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\n\t\t// Close on click outside of balloon panel element.\n\t\tclickOutsideHandler( {\n\t\t\temitter: this.formView,\n\t\t\tactivator: () => this._isUIInPanel,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideUI()\n\t\t} );\n\t}\n\n\t/**\n\t * Adds the {@link #actionsView} to the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_addActionsView() {\n\t\tif ( this._areActionsInPanel ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._balloon.add( {\n\t\t\tview: this.actionsView,\n\t\t\tposition: this._getBalloonPositionData()\n\t\t} );\n\t}\n\n\t/**\n\t * Adds the {@link #formView} to the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_addFormView() {\n\t\tif ( this._isFormInPanel ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\n\t\tthis.formView.disableCssTransitions();\n\n\t\tthis._balloon.add( {\n\t\t\tview: this.formView,\n\t\t\tposition: this._getBalloonPositionData()\n\t\t} );\n\n\t\t// Select input when form view is currently visible.\n\t\tif ( this._balloon.visibleView === this.formView ) {\n\t\t\tthis.formView.urlInputView.fieldView.select();\n\t\t}\n\n\t\tthis.formView.enableCssTransitions();\n\n\t\t// Make sure that each time the panel shows up, the URL field remains in sync with the value of\n\t\t// the command. If the user typed in the input, then canceled the balloon (`urlInputView.fieldView#value` stays\n\t\t// unaltered) and re-opened it without changing the value of the link command (e.g. because they\n\t\t// clicked the same link), they would see the old value instead of the actual value of the command.\n\t\t// https://github.com/ckeditor/ckeditor5-link/issues/78\n\t\t// https://github.com/ckeditor/ckeditor5-link/issues/123\n\t\tthis.formView.urlInputView.fieldView.element.value = linkCommand.value || '';\n\t}\n\n\t/**\n\t * Closes the form view. Decides whether the balloon should be hidden completely or if the action view should be shown. This is\n\t * decided upon the link command value (which has a value if the document selection is in the link).\n\t *\n\t * Additionally, if any {@link module:link/link~LinkConfig#decorators} are defined in the editor configuration, the state of\n\t * switch buttons responsible for manual decorator handling is restored.\n\t *\n\t * @private\n\t */\n\t_closeFormView() {\n\t\tconst linkCommand = this.editor.commands.get( 'link' );\n\n\t\t// Restore manual decorator states to represent the current model state. This case is important to reset the switch buttons\n\t\t// when the user cancels the editing form.\n\t\tlinkCommand.restoreManualDecoratorStates();\n\n\t\tif ( linkCommand.value !== undefined ) {\n\t\t\tthis._removeFormView();\n\t\t} else {\n\t\t\tthis._hideUI();\n\t\t}\n\t}\n\n\t/**\n\t * Removes the {@link #formView} from the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_removeFormView() {\n\t\tif ( this._isFormInPanel ) {\n\t\t\t// Blur the input element before removing it from DOM to prevent issues in some browsers.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/issues/1501.\n\t\t\tthis.formView.saveButtonView.focus();\n\n\t\t\tthis._balloon.remove( this.formView );\n\n\t\t\t// Because the form has an input which has focus, the focus must be brought back\n\t\t\t// to the editor. Otherwise, it would be lost.\n\t\t\tthis.editor.editing.view.focus();\n\n\t\t\tthis._hideFakeVisualSelection();\n\t\t}\n\t}\n\n\t/**\n\t * Shows the correct UI type. It is either {@link #formView} or {@link #actionsView}.\n\t *\n\t * @param {Boolean} forceVisible\n\t * @private\n\t */\n\t_showUI( forceVisible = false ) {\n\t\t// When there's no link under the selection, go straight to the editing UI.\n\t\tif ( !this._getSelectedLinkElement() ) {\n\t\t\t// Show visual selection on a text without a link when the contextual balloon is displayed.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/issues/4721.\n\t\t\tthis._showFakeVisualSelection();\n\n\t\t\tthis._addActionsView();\n\n\t\t\t// Be sure panel with link is visible.\n\t\t\tif ( forceVisible ) {\n\t\t\t\tthis._balloon.showStack( 'main' );\n\t\t\t}\n\n\t\t\tthis._addFormView();\n\t\t}\n\t\t// If there's a link under the selection...\n\t\telse {\n\t\t\t// Go to the editing UI if actions are already visible.\n\t\t\tif ( this._areActionsVisible ) {\n\t\t\t\tthis._addFormView();\n\t\t\t}\n\t\t\t// Otherwise display just the actions UI.\n\t\t\telse {\n\t\t\t\tthis._addActionsView();\n\t\t\t}\n\n\t\t\t// Be sure panel with link is visible.\n\t\t\tif ( forceVisible ) {\n\t\t\t\tthis._balloon.showStack( 'main' );\n\t\t\t}\n\t\t}\n\n\t\t// Begin responding to ui#update once the UI is added.\n\t\tthis._startUpdatingUI();\n\t}\n\n\t/**\n\t * Removes the {@link #formView} from the {@link #_balloon}.\n\t *\n\t * See {@link #_addFormView}, {@link #_addActionsView}.\n\t *\n\t * @protected\n\t */\n\t_hideUI() {\n\t\tif ( !this._isUIInPanel ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\n\t\tthis.stopListening( editor.ui, 'update' );\n\t\tthis.stopListening( this._balloon, 'change:visibleView' );\n\n\t\t// Make sure the focus always gets back to the editable _before_ removing the focused form view.\n\t\t// Doing otherwise causes issues in some browsers. See https://github.com/ckeditor/ckeditor5-link/issues/193.\n\t\teditor.editing.view.focus();\n\n\t\t// Remove form first because it's on top of the stack.\n\t\tthis._removeFormView();\n\n\t\t// Then remove the actions view because it's beneath the form.\n\t\tthis._balloon.remove( this.actionsView );\n\n\t\tthis._hideFakeVisualSelection();\n\t}\n\n\t/**\n\t * Makes the UI react to the {@link module:core/editor/editorui~EditorUI#event:update} event to\n\t * reposition itself when the editor UI should be refreshed.\n\t *\n\t * See: {@link #_hideUI} to learn when the UI stops reacting to the `update` event.\n\t *\n\t * @protected\n\t */\n\t_startUpdatingUI() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\n\t\tlet prevSelectedLink = this._getSelectedLinkElement();\n\t\tlet prevSelectionParent = getSelectionParent();\n\n\t\tconst update = () => {\n\t\t\tconst selectedLink = this._getSelectedLinkElement();\n\t\t\tconst selectionParent = getSelectionParent();\n\n\t\t\t// Hide the panel if:\n\t\t\t//\n\t\t\t// * the selection went out of the EXISTING link element. E.g. user moved the caret out\n\t\t\t//   of the link,\n\t\t\t// * the selection went to a different parent when creating a NEW link. E.g. someone\n\t\t\t//   else modified the document.\n\t\t\t// * the selection has expanded (e.g. displaying link actions then pressing SHIFT+Right arrow).\n\t\t\t//\n\t\t\t// Note: #_getSelectedLinkElement will return a link for a non-collapsed selection only\n\t\t\t// when fully selected.\n\t\t\tif ( ( prevSelectedLink && !selectedLink ) ||\n\t\t\t\t( !prevSelectedLink && selectionParent !== prevSelectionParent ) ) {\n\t\t\t\tthis._hideUI();\n\t\t\t}\n\t\t\t// Update the position of the panel when:\n\t\t\t//  * link panel is in the visible stack\n\t\t\t//  * the selection remains in the original link element,\n\t\t\t//  * there was no link element in the first place, i.e. creating a new link\n\t\t\telse if ( this._isUIVisible ) {\n\t\t\t\t// If still in a link element, simply update the position of the balloon.\n\t\t\t\t// If there was no link (e.g. inserting one), the balloon must be moved\n\t\t\t\t// to the new position in the editing view (a new native DOM range).\n\t\t\t\tthis._balloon.updatePosition( this._getBalloonPositionData() );\n\t\t\t}\n\n\t\t\tprevSelectedLink = selectedLink;\n\t\t\tprevSelectionParent = selectionParent;\n\t\t};\n\n\t\tfunction getSelectionParent() {\n\t\t\treturn viewDocument.selection.focus.getAncestors()\n\t\t\t\t.reverse()\n\t\t\t\t.find( node => node.is( 'element' ) );\n\t\t}\n\n\t\tthis.listenTo( editor.ui, 'update', update );\n\t\tthis.listenTo( this._balloon, 'change:visibleView', update );\n\t}\n\n\t/**\n\t * Returns `true` when {@link #formView} is in the {@link #_balloon}.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _isFormInPanel() {\n\t\treturn this._balloon.hasView( this.formView );\n\t}\n\n\t/**\n\t * Returns `true` when {@link #actionsView} is in the {@link #_balloon}.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _areActionsInPanel() {\n\t\treturn this._balloon.hasView( this.actionsView );\n\t}\n\n\t/**\n\t * Returns `true` when {@link #actionsView} is in the {@link #_balloon} and it is\n\t * currently visible.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _areActionsVisible() {\n\t\treturn this._balloon.visibleView === this.actionsView;\n\t}\n\n\t/**\n\t * Returns `true` when {@link #actionsView} or {@link #formView} is in the {@link #_balloon}.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _isUIInPanel() {\n\t\treturn this._isFormInPanel || this._areActionsInPanel;\n\t}\n\n\t/**\n\t * Returns `true` when {@link #actionsView} or {@link #formView} is in the {@link #_balloon} and it is\n\t * currently visible.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _isUIVisible() {\n\t\tconst visibleView = this._balloon.visibleView;\n\n\t\treturn visibleView == this.formView || this._areActionsVisible;\n\t}\n\n\t/**\n\t * Returns positioning options for the {@link #_balloon}. They control the way the balloon is attached\n\t * to the target element or selection.\n\t *\n\t * If the selection is collapsed and inside a link element, the panel will be attached to the\n\t * entire link element. Otherwise, it will be attached to the selection.\n\t *\n\t * @private\n\t * @returns {module:utils/dom/position~Options}\n\t */\n\t_getBalloonPositionData() {\n\t\tconst view = this.editor.editing.view;\n\t\tconst model = this.editor.model;\n\t\tconst viewDocument = view.document;\n\t\tlet target = null;\n\n\t\tif ( model.markers.has( VISUAL_SELECTION_MARKER_NAME ) ) {\n\t\t\t// There are cases when we highlight selection using a marker (#7705, #4721).\n\t\t\tconst markerViewElements = Array.from( this.editor.editing.mapper.markerNameToElements( VISUAL_SELECTION_MARKER_NAME ) );\n\t\t\tconst newRange = view.createRange(\n\t\t\t\tview.createPositionBefore( markerViewElements[ 0 ] ),\n\t\t\t\tview.createPositionAfter( markerViewElements[ markerViewElements.length - 1 ] )\n\t\t\t);\n\n\t\t\ttarget = view.domConverter.viewRangeToDom( newRange );\n\t\t} else {\n\t\t\tconst targetLink = this._getSelectedLinkElement();\n\t\t\tconst range = viewDocument.selection.getFirstRange();\n\n\t\t\ttarget = targetLink ?\n\t\t\t\t// When selection is inside link element, then attach panel to this element.\n\t\t\t\tview.domConverter.mapViewToDom( targetLink ) :\n\t\t\t\t// Otherwise attach panel to the selection.\n\t\t\t\tview.domConverter.viewRangeToDom( range );\n\t\t}\n\n\t\treturn { target };\n\t}\n\n\t/**\n\t * Returns the link {@link module:engine/view/attributeelement~AttributeElement} under\n\t * the {@link module:engine/view/document~Document editing view's} selection or `null`\n\t * if there is none.\n\t *\n\t * **Note**: For a non–collapsed selection, the link element is only returned when **fully**\n\t * selected and the **only** element within the selection boundaries.\n\t *\n\t * @private\n\t * @returns {module:engine/view/attributeelement~AttributeElement|null}\n\t */\n\t_getSelectedLinkElement() {\n\t\tconst view = this.editor.editing.view;\n\t\tconst selection = view.document.selection;\n\n\t\tif ( selection.isCollapsed ) {\n\t\t\treturn findLinkElementAncestor( selection.getFirstPosition() );\n\t\t} else {\n\t\t\t// The range for fully selected link is usually anchored in adjacent text nodes.\n\t\t\t// Trim it to get closer to the actual link element.\n\t\t\tconst range = selection.getFirstRange().getTrimmed();\n\t\t\tconst startLink = findLinkElementAncestor( range.start );\n\t\t\tconst endLink = findLinkElementAncestor( range.end );\n\n\t\t\tif ( !startLink || startLink != endLink ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\t// Check if the link element is fully selected.\n\t\t\tif ( view.createRangeIn( startLink ).getTrimmed().isEqual( range ) ) {\n\t\t\t\treturn startLink;\n\t\t\t} else {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Displays a fake visual selection when the contextual balloon is displayed.\n\t *\n\t * This adds a 'link-ui' marker into the document that is rendered as a highlight on selected text fragment.\n\t *\n\t * @private\n\t */\n\t_showFakeVisualSelection() {\n\t\tconst model = this.editor.model;\n\n\t\tmodel.change( writer => {\n\t\t\tconst range = model.document.selection.getFirstRange();\n\n\t\t\tif ( model.markers.has( VISUAL_SELECTION_MARKER_NAME ) ) {\n\t\t\t\twriter.updateMarker( VISUAL_SELECTION_MARKER_NAME, { range } );\n\t\t\t} else {\n\t\t\t\tif ( range.start.isAtEnd ) {\n\t\t\t\t\tconst startPosition = range.start.getLastMatchingPosition(\n\t\t\t\t\t\t( { item } ) => !model.schema.isContent( item ),\n\t\t\t\t\t\t{ boundaries: range }\n\t\t\t\t\t);\n\n\t\t\t\t\twriter.addMarker( VISUAL_SELECTION_MARKER_NAME, {\n\t\t\t\t\t\tusingOperation: false,\n\t\t\t\t\t\taffectsData: false,\n\t\t\t\t\t\trange: writer.createRange( startPosition, range.end )\n\t\t\t\t\t} );\n\t\t\t\t} else {\n\t\t\t\t\twriter.addMarker( VISUAL_SELECTION_MARKER_NAME, {\n\t\t\t\t\t\tusingOperation: false,\n\t\t\t\t\t\taffectsData: false,\n\t\t\t\t\t\trange\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Hides the fake visual selection created in {@link #_showFakeVisualSelection}.\n\t *\n\t * @private\n\t */\n\t_hideFakeVisualSelection() {\n\t\tconst model = this.editor.model;\n\n\t\tif ( model.markers.has( VISUAL_SELECTION_MARKER_NAME ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.removeMarker( VISUAL_SELECTION_MARKER_NAME );\n\t\t\t} );\n\t\t}\n\t}\n}\n\n// Returns a link element if there's one among the ancestors of the provided `Position`.\n//\n// @private\n// @param {module:engine/view/position~Position} View position to analyze.\n// @returns {module:engine/view/attributeelement~AttributeElement|null} Link element at the position or null.\nfunction findLinkElementAncestor( position ) {\n\treturn position.getAncestors().find( ancestor => isLinkElement( ancestor ) );\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/getlasttextline\n */\n\n/**\n * Returns the last text line from the given range.\n *\n * \"The last text line\" is understood as text (from one or more text nodes) which is limited either by a parent block\n * or by inline elements (e.g. `<softBreak>`).\n *\n *\t\tconst rangeToCheck = model.createRange(\n *\t\t\tmodel.createPositionAt( paragraph, 0 ),\n *\t\t\tmodel.createPositionAt( paragraph, 'end' )\n *\t\t);\n *\n *\t\tconst { text, range } = getLastTextLine( rangeToCheck, model );\n *\n * For model below, the returned `text` will be \"Foo bar baz\" and `range` will be set on whole `<paragraph>` content:\n *\n *\t\t<paragraph>Foo bar baz<paragraph>\n *\n * However, in below case, `text` will be set to \"baz\" and `range` will be set only on \"baz\".\n *\n *\t\t<paragraph>Foo<softBreak></softBreak>bar<softBreak></softBreak>baz<paragraph>\n *\n * @protected\n * @param {module:engine/model/range~Range} range\n * @param {module:engine/model/model~Model} model\n * @returns {module:typing/utils/getlasttextline~LastTextLineData}\n */\nexport default function getLastTextLine( range, model ) {\n\tlet start = range.start;\n\n\tconst text = Array.from( range.getItems() ).reduce( ( rangeText, node ) => {\n\t\t// Trim text to a last occurrence of an inline element and update range start.\n\t\tif ( !( node.is( '$text' ) || node.is( '$textProxy' ) ) ) {\n\t\t\tstart = model.createPositionAfter( node );\n\n\t\t\treturn '';\n\t\t}\n\n\t\treturn rangeText + node.data;\n\t}, '' );\n\n\treturn { text, range: model.createRange( start, range.end ) };\n}\n\n/**\n * The value returned by {@link module:typing/utils/getlasttextline~getLastTextLine}.\n *\n * @typedef {Object} module:typing/utils/getlasttextline~LastTextLineData\n *\n * @property {String} text The text from the text nodes in the last text line.\n * @property {module:engine/model/range~Range} range The range set on the text nodes in the last text line.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/textwatcher\n */\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport getLastTextLine from './utils/getlasttextline';\n\n/**\n * The text watcher feature.\n *\n * Fires the {@link module:typing/textwatcher~TextWatcher#event:matched:data `matched:data`},\n * {@link module:typing/textwatcher~TextWatcher#event:matched:selection `matched:selection`} and\n * {@link module:typing/textwatcher~TextWatcher#event:unmatched `unmatched`} events on typing or selection changes.\n *\n * @private\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class TextWatcher {\n\t/**\n\t * Creates a text watcher instance.\n\t *\n\t * @param {module:engine/model/model~Model} model\n\t * @param {Function} testCallback See {@link module:typing/textwatcher~TextWatcher#testCallback}.\n\t */\n\tconstructor( model, testCallback ) {\n\t\t/**\n\t\t * The editor's model.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * The function used to match the text.\n\t\t *\n\t\t * The test callback can return 3 values:\n\t\t *\n\t\t * * `false` if there is no match,\n\t\t * * `true` if there is a match,\n\t\t * * an object if there is a match and we want to pass some additional information to the {@link #event:matched:data} event.\n\t\t *\n\t\t * @member {Function} #testCallback\n\t\t * @returns {Object} testResult\n\t\t */\n\t\tthis.testCallback = testCallback;\n\n\t\t/**\n\t\t * Whether there is a match currently.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.hasMatch = false;\n\n\t\t/**\n\t\t * Flag indicating whether the `TextWatcher` instance is enabled or disabled.\n\t\t * A disabled TextWatcher will not evaluate text.\n\t\t *\n\t\t * To disable TextWatcher:\n\t\t *\n\t\t *\t\tconst watcher = new TextWatcher( editor.model, testCallback );\n\t\t *\n\t\t *\t\t// After this a testCallback will not be called.\n\t\t *\t\twatcher.isEnabled = false;\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\t// Toggle text watching on isEnabled state change.\n\t\tthis.on( 'change:isEnabled', () => {\n\t\t\tif ( this.isEnabled ) {\n\t\t\t\tthis._startListening();\n\t\t\t} else {\n\t\t\t\tthis.stopListening( model.document.selection );\n\t\t\t\tthis.stopListening( model.document );\n\t\t\t}\n\t\t} );\n\n\t\tthis._startListening();\n\t}\n\n\t/**\n\t * Starts listening to the editor for typing and selection events.\n\t *\n\t * @private\n\t */\n\t_startListening() {\n\t\tconst model = this.model;\n\t\tconst document = model.document;\n\n\t\tthis.listenTo( document.selection, 'change:range', ( evt, { directChange } ) => {\n\t\t\t// Indirect changes (i.e. when the user types or external changes are applied) are handled in the document's change event.\n\t\t\tif ( !directChange ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Act only on collapsed selection.\n\t\t\tif ( !document.selection.isCollapsed ) {\n\t\t\t\tif ( this.hasMatch ) {\n\t\t\t\t\tthis.fire( 'unmatched' );\n\t\t\t\t\tthis.hasMatch = false;\n\t\t\t\t}\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._evaluateTextBeforeSelection( 'selection' );\n\t\t} );\n\n\t\tthis.listenTo( document, 'change:data', ( evt, batch ) => {\n\t\t\tif ( batch.type == 'transparent' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._evaluateTextBeforeSelection( 'data', { batch } );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the editor content for matched text.\n\t *\n\t * @fires matched:data\n\t * @fires matched:selection\n\t * @fires unmatched\n\t *\n\t * @private\n\t * @param {'data'|'selection'} suffix A suffix used for generating the event name.\n\t * @param {Object} data Data object for event.\n\t */\n\t_evaluateTextBeforeSelection( suffix, data = {} ) {\n\t\tconst model = this.model;\n\t\tconst document = model.document;\n\t\tconst selection = document.selection;\n\n\t\tconst rangeBeforeSelection = model.createRange( model.createPositionAt( selection.focus.parent, 0 ), selection.focus );\n\n\t\tconst { text, range } = getLastTextLine( rangeBeforeSelection, model );\n\n\t\tconst testResult = this.testCallback( text );\n\n\t\tif ( !testResult && this.hasMatch ) {\n\t\t\tthis.fire( 'unmatched' );\n\t\t}\n\n\t\tthis.hasMatch = !!testResult;\n\n\t\tif ( testResult ) {\n\t\t\tconst eventData = Object.assign( data, { text, range } );\n\n\t\t\t// If the test callback returns an object with additional data, assign the data as well.\n\t\t\tif ( typeof testResult == 'object' ) {\n\t\t\t\tObject.assign( eventData, testResult );\n\t\t\t}\n\n\t\t\tthis.fire( `matched:${ suffix }`, eventData );\n\t\t}\n\t}\n}\n\nmix( TextWatcher, ObservableMixin );\n\n/**\n * Fired whenever the text watcher found a match for data changes.\n *\n * @event matched:data\n * @param {Object} data Event data.\n * @param {String} data.text The full text before selection to which the regexp was applied.\n * @param {module:engine/model/range~Range} data.range The range representing the position of the `data.text`.\n * @param {Object} [data.testResult] The additional data returned from the {@link module:typing/textwatcher~TextWatcher#testCallback}.\n */\n\n/**\n * Fired whenever the text watcher found a match for selection changes.\n *\n * @event matched:selection\n * @param {Object} data Event data.\n * @param {String} data.text The full text before selection.\n * @param {module:engine/model/range~Range} data.range The range representing the position of the `data.text`.\n * @param {Object} [data.testResult] The additional data returned from the {@link module:typing/textwatcher~TextWatcher#testCallback}.\n */\n\n/**\n * Fired whenever the text does not match anymore. Fired only when the text watcher found a match.\n *\n * @event unmatched\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/autolink\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport TextWatcher from '@ckeditor/ckeditor5-typing/src/textwatcher';\nimport getLastTextLine from '@ckeditor/ckeditor5-typing/src/utils/getlasttextline';\nimport { addLinkProtocolIfApplicable } from './utils';\n\nconst MIN_LINK_LENGTH_WITH_SPACE_AT_END = 4; // Ie: \"t.co \" (length 5).\n\n// This was a tweak from https://gist.github.com/dperini/729294.\nconst URL_REG_EXP = new RegExp(\n\t// Group 1: Line start or after a space.\n\t'(^|\\\\s)' +\n\t// Group 2: Detected URL (or e-mail).\n\t'(' +\n\t\t// Protocol identifier or short syntax \"//\"\n\t\t// a. Full form http://user@foo.bar.baz:8080/foo/bar.html#baz?foo=bar\n\t\t'(' +\n\t\t\t'(?:(?:(?:https?|ftp):)?\\\\/\\\\/)' +\n\t\t\t// BasicAuth using user:pass (optional)\n\t\t\t'(?:\\\\S+(?::\\\\S*)?@)?' +\n\t\t\t'(?:' +\n\t\t\t\t// Host & domain names.\n\t\t\t\t'(?![-_])(?:[-\\\\w\\\\u00a1-\\\\uffff]{0,63}[^-_]\\\\.)+' +\n\t\t\t\t// TLD identifier name.\n\t\t\t\t'(?:[a-z\\\\u00a1-\\\\uffff]{2,})' +\n\t\t\t')' +\n\t\t\t// port number (optional)\n\t\t\t'(?::\\\\d{2,5})?' +\n\t\t\t// resource path (optional)\n\t\t\t'(?:[/?#]\\\\S*)?' +\n\t\t')' +\n\t\t'|' +\n\t\t// b. Short form (either www.example.com or example@example.com)\n\t\t'(' +\n\t\t\t'(www.|(\\\\S+@))' +\n\t\t\t// Host & domain names.\n\t\t\t'((?![-_])(?:[-\\\\w\\\\u00a1-\\\\uffff]{0,63}[^-_]\\\\.))+' +\n\t// TLD identifier name.\n\t'(?:[a-z\\\\u00a1-\\\\uffff]{2,})' +\n\t')' +\n\t')$', 'i' );\n\nconst URL_GROUP_IN_MATCH = 2;\n\n/**\n * The autolink plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class AutoLink extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'AutoLink';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\n\t\tselection.on( 'change:range', () => {\n\t\t\t// Disable plugin when selection is inside a code block.\n\t\t\tthis.isEnabled = !selection.anchor.parent.is( 'element', 'codeBlock' );\n\t\t} );\n\n\t\tthis._enableTypingHandling();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tthis._enableEnterHandling();\n\t\tthis._enableShiftEnterHandling();\n\t}\n\n\t/**\n\t * Enables autolinking on typing.\n\t *\n\t * @private\n\t */\n\t_enableTypingHandling() {\n\t\tconst editor = this.editor;\n\n\t\tconst watcher = new TextWatcher( editor.model, text => {\n\t\t\t// 1. Detect <kbd>Space</kbd> after a text with a potential link.\n\t\t\tif ( !isSingleSpaceAtTheEnd( text ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// 2. Check text before last typed <kbd>Space</kbd>.\n\t\t\tconst url = getUrlAtTextEnd( text.substr( 0, text.length - 1 ) );\n\n\t\t\tif ( url ) {\n\t\t\t\treturn { url };\n\t\t\t}\n\t\t} );\n\n\t\tconst input = editor.plugins.get( 'Input' );\n\n\t\twatcher.on( 'matched:data', ( evt, data ) => {\n\t\t\tconst { batch, range, url } = data;\n\n\t\t\tif ( !input.isInput( batch ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst linkEnd = range.end.getShiftedBy( -1 ); // Executed after a space character.\n\t\t\tconst linkStart = linkEnd.getShiftedBy( -url.length );\n\n\t\t\tconst linkRange = editor.model.createRange( linkStart, linkEnd );\n\n\t\t\tthis._applyAutoLink( url, linkRange );\n\t\t} );\n\n\t\twatcher.bind( 'isEnabled' ).to( this );\n\t}\n\n\t/**\n\t * Enables autolinking on the <kbd>Enter</kbd> key.\n\t *\n\t * @private\n\t */\n\t_enableEnterHandling() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst enterCommand = editor.commands.get( 'enter' );\n\n\t\tif ( !enterCommand ) {\n\t\t\treturn;\n\t\t}\n\n\t\tenterCommand.on( 'execute', () => {\n\t\t\tconst position = model.document.selection.getFirstPosition();\n\n\t\t\tif ( !position.parent.previousSibling ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst rangeToCheck = model.createRangeIn( position.parent.previousSibling );\n\n\t\t\tthis._checkAndApplyAutoLinkOnRange( rangeToCheck );\n\t\t} );\n\t}\n\n\t/**\n\t * Enables autolinking on the <kbd>Shift</kbd>+<kbd>Enter</kbd> keyboard shortcut.\n\t *\n\t * @private\n\t */\n\t_enableShiftEnterHandling() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\tconst shiftEnterCommand = editor.commands.get( 'shiftEnter' );\n\n\t\tif ( !shiftEnterCommand ) {\n\t\t\treturn;\n\t\t}\n\n\t\tshiftEnterCommand.on( 'execute', () => {\n\t\t\tconst position = model.document.selection.getFirstPosition();\n\n\t\t\tconst rangeToCheck = model.createRange(\n\t\t\t\tmodel.createPositionAt( position.parent, 0 ),\n\t\t\t\tposition.getShiftedBy( -1 )\n\t\t\t);\n\n\t\t\tthis._checkAndApplyAutoLinkOnRange( rangeToCheck );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks if the passed range contains a linkable text.\n\t *\n\t * @param {module:engine/model/range~Range} rangeToCheck\n\t * @private\n\t */\n\t_checkAndApplyAutoLinkOnRange( rangeToCheck ) {\n\t\tconst model = this.editor.model;\n\t\tconst { text, range } = getLastTextLine( rangeToCheck, model );\n\n\t\tconst url = getUrlAtTextEnd( text );\n\n\t\tif ( url ) {\n\t\t\tconst linkRange = model.createRange(\n\t\t\t\trange.end.getShiftedBy( -url.length ),\n\t\t\t\trange.end\n\t\t\t);\n\n\t\t\tthis._applyAutoLink( url, linkRange );\n\t\t}\n\t}\n\n\t/**\n\t * Applies a link on a given range.\n\t *\n\t * @param {String} url The URL to link.\n\t * @param {module:engine/model/range~Range} range The text range to apply the link attribute to.\n\t * @private\n\t */\n\t_applyAutoLink( link, range ) {\n\t\tconst model = this.editor.model;\n\n\t\tif ( !this.isEnabled || !isLinkAllowedOnRange( range, model ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Enqueue change to make undo step.\n\t\tmodel.enqueueChange( writer => {\n\t\t\tconst defaultProtocol = this.editor.config.get( 'link.defaultProtocol' );\n\t\t\tconst parsedUrl = addLinkProtocolIfApplicable( link, defaultProtocol );\n\t\t\twriter.setAttribute( 'linkHref', parsedUrl, range );\n\t\t} );\n\t}\n}\n\n// Check if text should be evaluated by the plugin in order to reduce number of RegExp checks on whole text.\nfunction isSingleSpaceAtTheEnd( text ) {\n\treturn text.length > MIN_LINK_LENGTH_WITH_SPACE_AT_END && text[ text.length - 1 ] === ' ' && text[ text.length - 2 ] !== ' ';\n}\n\nfunction getUrlAtTextEnd( text ) {\n\tconst match = URL_REG_EXP.exec( text );\n\n\treturn match ? match[ URL_GROUP_IN_MATCH ] : null;\n}\n\nfunction isLinkAllowedOnRange( range, model ) {\n\treturn model.schema.checkAttributeInSelection( model.createSelection( range ), 'linkHref' );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/listcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\n/**\n * The list command. It is used by the {@link module:list/list~List list feature}.\n *\n * @extends module:core/command~Command\n */\nexport default class ListCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t * @param {'numbered'|'bulleted'} type List type that will be handled by this command.\n\t */\n\tconstructor( editor, type ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The type of the list created by the command.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'numbered'|'bulleted'|'todo'}\n\t\t */\n\t\tthis.type = type;\n\n\t\t/**\n\t\t * A flag indicating whether the command is active, which means that the selection starts in a list of the same type.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #value\n\t\t */\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.value = this._getValue();\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @protected\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\t\tconst blocks = Array.from( document.selection.getSelectedBlocks() )\n\t\t\t.filter( block => checkCanBecomeListItem( block, model.schema ) );\n\n\t\t// Whether we are turning off some items.\n\t\tconst turnOff = this.value === true;\n\t\t// If we are turning off items, we are going to rename them to paragraphs.\n\n\t\tmodel.change( writer => {\n\t\t\t// If part of a list got turned off, we need to handle (outdent) all of sub-items of the last turned-off item.\n\t\t\t// To be sure that model is all the time in a good state, we first fix items below turned-off item.\n\t\t\tif ( turnOff ) {\n\t\t\t\t// Start from the model item that is just after the last turned-off item.\n\t\t\t\tlet next = blocks[ blocks.length - 1 ].nextSibling;\n\t\t\t\tlet currentIndent = Number.POSITIVE_INFINITY;\n\t\t\t\tlet changes = [];\n\n\t\t\t\t// Correct indent of all items after the last turned off item.\n\t\t\t\t// Rules that should be followed:\n\t\t\t\t// 1. All direct sub-items of turned-off item should become indent 0, because the first item after it\n\t\t\t\t//    will be the first item of a new list. Other items are at the same level, so should have same 0 index.\n\t\t\t\t// 2. All items with indent lower than indent of turned-off item should become indent 0, because they\n\t\t\t\t//    should not end up as a child of any of list items that they were not children of before.\n\t\t\t\t// 3. All other items should have their indent changed relatively to it's parent.\n\t\t\t\t//\n\t\t\t\t// For example:\n\t\t\t\t// 1  * --------\n\t\t\t\t// 2     * --------\n\t\t\t\t// 3        * --------\t\t\t<-- this is turned off.\n\t\t\t\t// 4           * --------\t\t<-- this has to become indent = 0, because it will be first item on a new list.\n\t\t\t\t// 5              * --------\t<-- this should be still be a child of item above, so indent = 1.\n\t\t\t\t// 6        * --------\t\t\t<-- this has to become indent = 0, because it should not be a child of any of items above.\n\t\t\t\t// 7           * --------\t\t<-- this should be still be a child of item above, so indent = 1.\n\t\t\t\t// 8     * --------\t\t\t\t<-- this has to become indent = 0.\n\t\t\t\t// 9        * --------\t\t\t<-- this should still be a child of item above, so indent = 1.\n\t\t\t\t// 10          * --------\t\t<-- this should still be a child of item above, so indent = 2.\n\t\t\t\t// 11          * --------\t\t<-- this should still be at the same level as item above, so indent = 2.\n\t\t\t\t// 12 * --------\t\t\t\t<-- this and all below are left unchanged.\n\t\t\t\t// 13    * --------\n\t\t\t\t// 14       * --------\n\t\t\t\t//\n\t\t\t\t// After turning off 3 the list becomes:\n\t\t\t\t//\n\t\t\t\t// 1  * --------\n\t\t\t\t// 2     * --------\n\t\t\t\t//\n\t\t\t\t// 3  --------\n\t\t\t\t//\n\t\t\t\t// 4  * --------\n\t\t\t\t// 5     * --------\n\t\t\t\t// 6  * --------\n\t\t\t\t// 7     * --------\n\t\t\t\t// 8  * --------\n\t\t\t\t// 9     * --------\n\t\t\t\t// 10       * --------\n\t\t\t\t// 11       * --------\n\t\t\t\t// 12 * --------\n\t\t\t\t// 13    * --------\n\t\t\t\t// 14       * --------\n\t\t\t\t//\n\t\t\t\t// Thanks to this algorithm no lists are mismatched and no items get unexpected children/parent, while\n\t\t\t\t// those parent-child connection which are possible to maintain are still maintained. It's worth noting\n\t\t\t\t// that this is the same effect that we would be get by multiple use of outdent command. However doing\n\t\t\t\t// it like this is much more efficient because it's less operation (less memory usage, easier OT) and\n\t\t\t\t// less conversion (faster).\n\t\t\t\twhile ( next && next.name == 'listItem' && next.getAttribute( 'listIndent' ) !== 0 ) {\n\t\t\t\t\t// Check each next list item, as long as its indent is bigger than 0.\n\t\t\t\t\t// If the indent is 0 we are not going to change anything anyway.\n\t\t\t\t\tconst indent = next.getAttribute( 'listIndent' );\n\n\t\t\t\t\t// We check if that's item indent is lower as current relative indent.\n\t\t\t\t\tif ( indent < currentIndent ) {\n\t\t\t\t\t\t// If it is, current relative indent becomes that indent.\n\t\t\t\t\t\tcurrentIndent = indent;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Fix indent relatively to current relative indent.\n\t\t\t\t\t// Note, that if we just changed the current relative indent, the newIndent will be equal to 0.\n\t\t\t\t\tconst newIndent = indent - currentIndent;\n\n\t\t\t\t\t// Save the entry in changes array. We do not apply it at the moment, because we will need to\n\t\t\t\t\t// reverse the changes so the last item is changed first.\n\t\t\t\t\t// This is to keep model in correct state all the time.\n\t\t\t\t\tchanges.push( { element: next, listIndent: newIndent } );\n\n\t\t\t\t\t// Find next item.\n\t\t\t\t\tnext = next.nextSibling;\n\t\t\t\t}\n\n\t\t\t\tchanges = changes.reverse();\n\n\t\t\t\tfor ( const item of changes ) {\n\t\t\t\t\twriter.setAttribute( 'listIndent', item.listIndent, item.element );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If we are turning on, we might change some items that are already `listItem`s but with different type.\n\t\t\t// Changing one nested list item to other type should also trigger changing all its siblings so the\n\t\t\t// whole nested list is of the same type.\n\t\t\t// Example (assume changing to numbered list):\n\t\t\t// * ------\t\t\t\t<-- do not fix, top level item\n\t\t\t//   * ------\t\t\t<-- fix, because latter list item of this item's list is changed\n\t\t\t//      * ------\t\t<-- do not fix, item is not affected (different list)\n\t\t\t//   * ------\t\t\t<-- fix, because latter list item of this item's list is changed\n\t\t\t//      * ------\t\t<-- fix, because latter list item of this item's list is changed\n\t\t\t//      * ---[--\t\t<-- already in selection\n\t\t\t//   * ------\t\t\t<-- already in selection\n\t\t\t//   * ------\t\t\t<-- already in selection\n\t\t\t// * ------\t\t\t\t<-- already in selection, but does not cause other list items to change because is top-level\n\t\t\t//   * ---]--\t\t\t<-- already in selection\n\t\t\t//   * ------\t\t\t<-- fix, because preceding list item of this item's list is changed\n\t\t\t//      * ------\t\t<-- do not fix, item is not affected (different list)\n\t\t\t// * ------\t\t\t\t<-- do not fix, top level item\n\t\t\tif ( !turnOff ) {\n\t\t\t\t// Find lowest indent among selected items. This will be indicator what is the indent of\n\t\t\t\t// top-most list affected by the command.\n\t\t\t\tlet lowestIndent = Number.POSITIVE_INFINITY;\n\n\t\t\t\tfor ( const item of blocks ) {\n\t\t\t\t\tif ( item.is( 'element', 'listItem' ) && item.getAttribute( 'listIndent' ) < lowestIndent ) {\n\t\t\t\t\t\tlowestIndent = item.getAttribute( 'listIndent' );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Do not execute the fix for top-level lists.\n\t\t\t\tlowestIndent = lowestIndent === 0 ? 1 : lowestIndent;\n\n\t\t\t\t// Fix types of list items that are \"before\" the selected blocks.\n\t\t\t\t_fixType( blocks, true, lowestIndent );\n\n\t\t\t\t// Fix types of list items that are \"after\" the selected blocks.\n\t\t\t\t_fixType( blocks, false, lowestIndent );\n\t\t\t}\n\n\t\t\t// Phew! Now it will be easier :).\n\t\t\t// For each block element that was in the selection, we will either: turn it to list item,\n\t\t\t// turn it to paragraph, or change it's type. Or leave it as it is.\n\t\t\t// Do it in reverse as there might be multiple blocks (same as with changing indents).\n\t\t\tfor ( const element of blocks.reverse() ) {\n\t\t\t\tif ( turnOff && element.name == 'listItem' ) {\n\t\t\t\t\t// We are turning off and the element is a `listItem` - it should be converted to `paragraph`.\n\t\t\t\t\t// List item specific attributes are removed by post fixer.\n\t\t\t\t\twriter.rename( element, 'paragraph' );\n\t\t\t\t} else if ( !turnOff && element.name != 'listItem' ) {\n\t\t\t\t\t// We are turning on and the element is not a `listItem` - it should be converted to `listItem`.\n\t\t\t\t\t// The order of operations is important to keep model in correct state.\n\t\t\t\t\twriter.setAttributes( { listType: this.type, listIndent: 0 }, element );\n\t\t\t\t\twriter.rename( element, 'listItem' );\n\t\t\t\t} else if ( !turnOff && element.name == 'listItem' && element.getAttribute( 'listType' ) != this.type ) {\n\t\t\t\t\t// We are turning on and the element is a `listItem` but has different type - change it's type and\n\t\t\t\t\t// type of it's all siblings that have same indent.\n\t\t\t\t\twriter.setAttribute( 'listType', this.type, element );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * Event fired by the {@link #execute} method.\n\t\t\t *\n\t\t\t * It allows to execute an action after executing the {@link ~ListCommand#execute} method, for example adjusting\n\t\t\t * attributes of changed blocks.\n\t\t\t *\n\t\t\t * @protected\n\t\t\t * @event _executeCleanup\n\t\t\t */\n\t\t\tthis.fire( '_executeCleanup', blocks );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the command's {@link #value}.\n\t *\n\t * @private\n\t * @returns {Boolean} The current value.\n\t */\n\t_getValue() {\n\t\t// Check whether closest `listItem` ancestor of the position has a correct type.\n\t\tconst listItem = first( this.editor.model.document.selection.getSelectedBlocks() );\n\n\t\treturn !!listItem && listItem.is( 'element', 'listItem' ) && listItem.getAttribute( 'listType' ) == this.type;\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\t// If command value is true it means that we are in list item, so the command should be enabled.\n\t\tif ( this.value ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst schema = this.editor.model.schema;\n\n\t\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\t\tif ( !firstBlock ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Otherwise, check if list item can be inserted at the position start.\n\t\treturn checkCanBecomeListItem( firstBlock, schema );\n\t}\n}\n\n// Helper function used when one or more list item have their type changed. Fixes type of other list items\n// that are affected by the change (are in same lists) but are not directly in selection. The function got extracted\n// not to duplicated code, as same fix has to be performed before and after selection.\n//\n// @param {Array.<module:engine/model/node~Node>} blocks Blocks that are in selection.\n// @param {Boolean} isBackward Specified whether fix will be applied for blocks before first selected block (`true`)\n// or blocks after last selected block (`false`).\n// @param {Number} lowestIndent Lowest indent among selected blocks.\nfunction _fixType( blocks, isBackward, lowestIndent ) {\n\t// We need to check previous sibling of first changed item and next siblings of last changed item.\n\tconst startingItem = isBackward ? blocks[ 0 ] : blocks[ blocks.length - 1 ];\n\n\tif ( startingItem.is( 'element', 'listItem' ) ) {\n\t\tlet item = startingItem[ isBackward ? 'previousSibling' : 'nextSibling' ];\n\t\t// During processing items, keeps the lowest indent of already processed items.\n\t\t// This saves us from changing too many items.\n\t\t// Following example is for going forward as it is easier to read, however same applies to going backward.\n\t\t// * ------\n\t\t//   * ------\n\t\t//     * --[---\n\t\t//   * ------\t\t<-- `lowestIndent` should be 1\n\t\t//     * --]---\t\t<-- `startingItem`, `currentIndent` = 2, `lowestIndent` == 1\n\t\t//     * ------\t\t<-- should be fixed, `indent` == 2 == `currentIndent`\n\t\t//   * ------\t\t<-- should be fixed, set `currentIndent` to 1, `indent` == 1 == `currentIndent`\n\t\t//     * ------\t\t<-- should not be fixed, item is in different list, `indent` = 2, `indent` != `currentIndent`\n\t\t//   * ------\t\t<-- should be fixed, `indent` == 1 == `currentIndent`\n\t\t// * ------\t\t\t<-- break loop (`indent` < `lowestIndent`)\n\t\tlet currentIndent = startingItem.getAttribute( 'listIndent' );\n\n\t\t// Look back until a list item with indent lower than reference `lowestIndent`.\n\t\t// That would be the parent of nested sublist which contains item having `lowestIndent`.\n\t\twhile ( item && item.is( 'element', 'listItem' ) && item.getAttribute( 'listIndent' ) >= lowestIndent ) {\n\t\t\tif ( currentIndent > item.getAttribute( 'listIndent' ) ) {\n\t\t\t\tcurrentIndent = item.getAttribute( 'listIndent' );\n\t\t\t}\n\n\t\t\t// Found an item that is in the same nested sublist.\n\t\t\tif ( item.getAttribute( 'listIndent' ) == currentIndent ) {\n\t\t\t\t// Just add the item to selected blocks like it was selected by the user.\n\t\t\t\tblocks[ isBackward ? 'unshift' : 'push' ]( item );\n\t\t\t}\n\n\t\t\titem = item[ isBackward ? 'previousSibling' : 'nextSibling' ];\n\t\t}\n\t}\n}\n\n// Checks whether the given block can be replaced by a listItem.\n//\n// @private\n// @param {module:engine/model/element~Element} block A block to be tested.\n// @param {module:engine/model/schema~Schema} schema The schema of the document.\n// @returns {Boolean}\nfunction checkCanBecomeListItem( block, schema ) {\n\treturn schema.checkChild( block.parent, 'listItem' ) && !schema.isObject( block );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/indentcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\n/**\n * The list indent command. It is used by the {@link module:list/list~List list feature}.\n *\n * @extends module:core/command~Command\n */\nexport default class IndentCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t * @param {'forward'|'backward'} indentDirection The direction of indent. If it is equal to `backward`, the command\n\t * will outdent a list item.\n\t */\n\tconstructor( editor, indentDirection ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * Determines by how much the command will change the list item's indent attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {Number}\n\t\t */\n\t\tthis._indentBy = indentDirection == 'forward' ? 1 : -1;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Indents or outdents (depending on the {@link #constructor}'s `indentDirection` parameter) selected list items.\n\t *\n\t * @fires execute\n\t * @fires _executeCleanup\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tlet itemsToChange = Array.from( doc.selection.getSelectedBlocks() );\n\n\t\tmodel.change( writer => {\n\t\t\tconst lastItem = itemsToChange[ itemsToChange.length - 1 ];\n\n\t\t\t// Indenting a list item should also indent all the items that are already sub-items of indented item.\n\t\t\tlet next = lastItem.nextSibling;\n\n\t\t\t// Check all items after last indented item, as long as their indent is bigger than indent of that item.\n\t\t\twhile ( next && next.name == 'listItem' && next.getAttribute( 'listIndent' ) > lastItem.getAttribute( 'listIndent' ) ) {\n\t\t\t\titemsToChange.push( next );\n\n\t\t\t\tnext = next.nextSibling;\n\t\t\t}\n\n\t\t\t// We need to be sure to keep model in correct state after each small change, because converters\n\t\t\t// bases on that state and assumes that model is correct.\n\t\t\t// Because of that, if the command outdents items, we will outdent them starting from the last item, as\n\t\t\t// it is safer.\n\t\t\tif ( this._indentBy < 0 ) {\n\t\t\t\titemsToChange = itemsToChange.reverse();\n\t\t\t}\n\n\t\t\tfor ( const item of itemsToChange ) {\n\t\t\t\tconst indent = item.getAttribute( 'listIndent' ) + this._indentBy;\n\n\t\t\t\t// If indent is lower than 0, it means that the item got outdented when it was not indented.\n\t\t\t\t// This means that we need to convert that list item to paragraph.\n\t\t\t\tif ( indent < 0 ) {\n\t\t\t\t\t// To keep the model as correct as possible, first rename listItem, then remove attributes,\n\t\t\t\t\t// as listItem without attributes is very incorrect and will cause problems in converters.\n\t\t\t\t\t// No need to remove attributes, will be removed by post fixer.\n\t\t\t\t\twriter.rename( item, 'paragraph' );\n\t\t\t\t}\n\t\t\t\t// If indent is >= 0, change the attribute value.\n\t\t\t\telse {\n\t\t\t\t\twriter.setAttribute( 'listIndent', indent, item );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * Event fired by the {@link #execute} method.\n\t\t\t *\n\t\t\t * It allows to execute an action after executing the {@link ~IndentCommand#execute} method, for example adjusting\n\t\t\t * attributes of changed list items.\n\t\t\t *\n\t\t\t * @protected\n\t\t\t * @event _executeCleanup\n\t\t\t */\n\t\t\tthis.fire( '_executeCleanup', itemsToChange );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\t// Check whether any of position's ancestor is a list item.\n\t\tconst listItem = first( this.editor.model.document.selection.getSelectedBlocks() );\n\n\t\t// If selection is not in a list item, the command is disabled.\n\t\tif ( !listItem || !listItem.is( 'element', 'listItem' ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( this._indentBy > 0 ) {\n\t\t\t// Cannot indent first item in it's list. Check if before `listItem` is a list item that is in same list.\n\t\t\t// To be in the same list, the item has to have same attributes and cannot be \"split\" by an item with lower indent.\n\t\t\tconst indent = listItem.getAttribute( 'listIndent' );\n\t\t\tconst type = listItem.getAttribute( 'listType' );\n\n\t\t\tlet prev = listItem.previousSibling;\n\n\t\t\twhile ( prev && prev.is( 'element', 'listItem' ) && prev.getAttribute( 'listIndent' ) >= indent ) {\n\t\t\t\tif ( prev.getAttribute( 'listIndent' ) == indent ) {\n\t\t\t\t\t// The item is on the same level.\n\t\t\t\t\t// If it has same type, it means that we found a preceding sibling from the same list.\n\t\t\t\t\t// If it does not have same type, it means that `listItem` is on different list (this can happen only\n\t\t\t\t\t// on top level lists, though).\n\t\t\t\t\treturn prev.getAttribute( 'listType' ) == type;\n\t\t\t\t}\n\n\t\t\t\tprev = prev.previousSibling;\n\t\t\t}\n\n\t\t\t// Could not find similar list item, this means that `listItem` is first in its list.\n\t\t\treturn false;\n\t\t}\n\n\t\t// If we are outdenting it is enough to be in list item. Every list item can always be outdented.\n\t\treturn true;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/utils\n */\n\nimport { getFillerOffset } from '@ckeditor/ckeditor5-engine/src/view/containerelement';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport TreeWalker from '@ckeditor/ckeditor5-engine/src/model/treewalker';\n\n/**\n * Creates a list item {@link module:engine/view/containerelement~ContainerElement}.\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer The writer instance.\n * @returns {module:engine/view/containerelement~ContainerElement}\n */\nexport function createViewListItemElement( writer ) {\n\tconst viewItem = writer.createContainerElement( 'li' );\n\n\tviewItem.getFillerOffset = getListItemFillerOffset;\n\n\treturn viewItem;\n}\n\n/**\n * Helper function that creates a `<ul><li></li></ul>` or (`<ol>`) structure out of the given `modelItem` model `listItem` element.\n * Then, it binds the created view list item (`<li>`) with the model `listItem` element.\n * The function then returns the created view list item (`<li>`).\n *\n * @param {module:engine/model/item~Item} modelItem Model list item.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface.\n * @returns {module:engine/view/containerelement~ContainerElement} View list element.\n */\nexport function generateLiInUl( modelItem, conversionApi ) {\n\tconst mapper = conversionApi.mapper;\n\tconst viewWriter = conversionApi.writer;\n\tconst listType = modelItem.getAttribute( 'listType' ) == 'numbered' ? 'ol' : 'ul';\n\tconst viewItem = createViewListItemElement( viewWriter );\n\n\tconst viewList = viewWriter.createContainerElement( listType, null );\n\n\tviewWriter.insert( viewWriter.createPositionAt( viewList, 0 ), viewItem );\n\n\tmapper.bindElements( modelItem, viewItem );\n\n\treturn viewItem;\n}\n\n/**\n * Helper function that inserts a view list at a correct place and merges it with its siblings.\n * It takes a model list item element (`modelItem`) and a corresponding view list item element (`injectedItem`). The view list item\n * should be in a view list element (`<ul>` or `<ol>`) and should be its only child.\n * See comments below to better understand the algorithm.\n *\n * @param {module:engine/view/item~Item} modelItem Model list item.\n * @param {module:engine/view/containerelement~ContainerElement} injectedItem\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface.\n * @param {module:engine/model/model~Model} model The model instance.\n */\nexport function injectViewList( modelItem, injectedItem, conversionApi, model ) {\n\tconst injectedList = injectedItem.parent;\n\tconst mapper = conversionApi.mapper;\n\tconst viewWriter = conversionApi.writer;\n\n\t// The position where the view list will be inserted.\n\tlet insertPosition = mapper.toViewPosition( model.createPositionBefore( modelItem ) );\n\n\t// 1. Find the previous list item that has the same or smaller indent. Basically we are looking for the first model item\n\t// that is a \"parent\" or \"sibling\" of the injected model item.\n\t// If there is no such list item, it means that the injected list item is the first item in \"its list\".\n\tconst refItem = getSiblingListItem( modelItem.previousSibling, {\n\t\tsameIndent: true,\n\t\tsmallerIndent: true,\n\t\tlistIndent: modelItem.getAttribute( 'listIndent' )\n\t} );\n\tconst prevItem = modelItem.previousSibling;\n\n\tif ( refItem && refItem.getAttribute( 'listIndent' ) == modelItem.getAttribute( 'listIndent' ) ) {\n\t\t// There is a list item with the same indent - we found the same-level sibling.\n\t\t// Break the list after it. The inserted view item will be added in the broken space.\n\t\tconst viewItem = mapper.toViewElement( refItem );\n\t\tinsertPosition = viewWriter.breakContainer( viewWriter.createPositionAfter( viewItem ) );\n\t} else {\n\t\t// There is no list item with the same indent. Check the previous model item.\n\t\tif ( prevItem && prevItem.name == 'listItem' ) {\n\t\t\t// If it is a list item, it has to have a lower indent.\n\t\t\t// It means that the inserted item should be added to it as its nested item.\n\t\t\tinsertPosition = mapper.toViewPosition( model.createPositionAt( prevItem, 'end' ) );\n\n\t\t\t// There could be some not mapped elements (eg. span in to-do list) but we need to insert\n\t\t\t// a nested list directly inside the li element.\n\t\t\tconst mappedViewAncestor = mapper.findMappedViewAncestor( insertPosition );\n\t\t\tconst nestedList = findNestedList( mappedViewAncestor );\n\n\t\t\t// If there already is some nested list, then use it's position.\n\t\t\tif ( nestedList ) {\n\t\t\t\tinsertPosition = viewWriter.createPositionBefore( nestedList );\n\t\t\t} else {\n\t\t\t\t// Else just put new list on the end of list item content.\n\t\t\t\tinsertPosition = viewWriter.createPositionAt( mappedViewAncestor, 'end' );\n\t\t\t}\n\t\t} else {\n\t\t\t// The previous item is not a list item (or does not exist at all).\n\t\t\t// Just map the position and insert the view item at the mapped position.\n\t\t\tinsertPosition = mapper.toViewPosition( model.createPositionBefore( modelItem ) );\n\t\t}\n\t}\n\n\tinsertPosition = positionAfterUiElements( insertPosition );\n\n\t// Insert the view item.\n\tviewWriter.insert( insertPosition, injectedList );\n\n\t// 2. Handle possible children of the injected model item.\n\tif ( prevItem && prevItem.name == 'listItem' ) {\n\t\tconst prevView = mapper.toViewElement( prevItem );\n\n\t\tconst walkerBoundaries = viewWriter.createRange( viewWriter.createPositionAt( prevView, 0 ), insertPosition );\n\t\tconst walker = walkerBoundaries.getWalker( { ignoreElementEnd: true } );\n\n\t\tfor ( const value of walker ) {\n\t\t\tif ( value.item.is( 'element', 'li' ) ) {\n\t\t\t\tconst breakPosition = viewWriter.breakContainer( viewWriter.createPositionBefore( value.item ) );\n\t\t\t\tconst viewList = value.item.parent;\n\n\t\t\t\tconst targetPosition = viewWriter.createPositionAt( injectedItem, 'end' );\n\t\t\t\tmergeViewLists( viewWriter, targetPosition.nodeBefore, targetPosition.nodeAfter );\n\t\t\t\tviewWriter.move( viewWriter.createRangeOn( viewList ), targetPosition );\n\n\t\t\t\twalker.position = breakPosition;\n\t\t\t}\n\t\t}\n\t} else {\n\t\tconst nextViewList = injectedList.nextSibling;\n\n\t\tif ( nextViewList && ( nextViewList.is( 'element', 'ul' ) || nextViewList.is( 'element', 'ol' ) ) ) {\n\t\t\tlet lastSubChild = null;\n\n\t\t\tfor ( const child of nextViewList.getChildren() ) {\n\t\t\t\tconst modelChild = mapper.toModelElement( child );\n\n\t\t\t\tif ( modelChild && modelChild.getAttribute( 'listIndent' ) > modelItem.getAttribute( 'listIndent' ) ) {\n\t\t\t\t\tlastSubChild = child;\n\t\t\t\t} else {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( lastSubChild ) {\n\t\t\t\tviewWriter.breakContainer( viewWriter.createPositionAfter( lastSubChild ) );\n\t\t\t\tviewWriter.move( viewWriter.createRangeOn( lastSubChild.parent ), viewWriter.createPositionAt( injectedItem, 'end' ) );\n\t\t\t}\n\t\t}\n\t}\n\n\t// Merge the inserted view list with its possible neighbor lists.\n\tmergeViewLists( viewWriter, injectedList, injectedList.nextSibling );\n\tmergeViewLists( viewWriter, injectedList.previousSibling, injectedList );\n}\n\n/**\n * Helper function that takes two parameters that are expected to be view list elements, and merges them.\n * The merge happens only if both parameters are list elements of the same type (the same element name and the same class attributes).\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter The writer instance.\n * @param {module:engine/view/item~Item} firstList The first element to compare.\n * @param {module:engine/view/item~Item} secondList The second element to compare.\n * @returns {module:engine/view/position~Position|null} The position after merge or `null` when there was no merge.\n */\nexport function mergeViewLists( viewWriter, firstList, secondList ) {\n\t// Check if two lists are going to be merged.\n\tif ( !firstList || !secondList || ( firstList.name != 'ul' && firstList.name != 'ol' ) ) {\n\t\treturn null;\n\t}\n\n\t// Both parameters are list elements, so compare types now.\n\tif ( firstList.name != secondList.name || firstList.getAttribute( 'class' ) !== secondList.getAttribute( 'class' ) ) {\n\t\treturn null;\n\t}\n\n\treturn viewWriter.mergeContainers( viewWriter.createPositionAfter( firstList ) );\n}\n\n/**\n * Helper function that for a given `view.Position`, returns a `view.Position` that is after all `view.UIElement`s that\n * are after the given position.\n *\n * For example:\n * `<container:p>foo^<ui:span></ui:span><ui:span></ui:span>bar</container:p>`\n * For position ^, the position before \"bar\" will be returned.\n *\n * @param {module:engine/view/position~Position} viewPosition\n * @returns {module:engine/view/position~Position}\n */\nexport function positionAfterUiElements( viewPosition ) {\n\treturn viewPosition.getLastMatchingPosition( value => value.item.is( 'uiElement' ) );\n}\n\n/**\n * Helper function that searches for a previous list item sibling of a given model item that meets the given criteria\n * passed by the options object.\n *\n * @param {module:engine/model/item~Item} modelItem\n * @param {Object} options Search criteria.\n * @param {Boolean} [options.sameIndent=false] Whether the sought sibling should have the same indentation.\n * @param {Boolean} [options.smallerIndent=false] Whether the sought sibling should have a smaller indentation.\n * @param {Number} [options.listIndent] The reference indentation.\n * @param {'forward'|'backward'} [options.direction='backward'] Walking direction.\n * @returns {module:engine/model/item~Item|null}\n */\nexport function getSiblingListItem( modelItem, options ) {\n\tconst sameIndent = !!options.sameIndent;\n\tconst smallerIndent = !!options.smallerIndent;\n\tconst indent = options.listIndent;\n\n\tlet item = modelItem;\n\n\twhile ( item && item.name == 'listItem' ) {\n\t\tconst itemIndent = item.getAttribute( 'listIndent' );\n\n\t\tif ( ( sameIndent && indent == itemIndent ) || ( smallerIndent && indent > itemIndent ) ) {\n\t\t\treturn item;\n\t\t}\n\n\t\tif ( options.direction === 'forward' ) {\n\t\t\titem = item.nextSibling;\n\t\t} else {\n\t\t\titem = item.previousSibling;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n/**\n * Helper method for creating a UI button and linking it with an appropriate command.\n *\n * @private\n * @param {module:core/editor/editor~Editor} editor The editor instance to which the UI component will be added.\n * @param {String} commandName The name of the command.\n * @param {Object} label The button label.\n * @param {String} icon The source of the icon.\n */\nexport function createUIComponent( editor, commandName, label, icon ) {\n\teditor.ui.componentFactory.add( commandName, locale => {\n\t\tconst command = editor.commands.get( commandName );\n\t\tconst buttonView = new ButtonView( locale );\n\n\t\tbuttonView.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true,\n\t\t\tisToggleable: true\n\t\t} );\n\n\t\t// Bind button model to command.\n\t\tbuttonView.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t// Execute command.\n\t\tbuttonView.on( 'execute', () => {\n\t\t\teditor.execute( commandName );\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\treturn buttonView;\n\t} );\n}\n\n/**\n * Returns a first list view element that is direct child of the given view element.\n *\n * @param {module:engine/view/element~Element} viewElement\n * @return {module:engine/view/element~Element|null}\n */\nexport function findNestedList( viewElement ) {\n\tfor ( const node of viewElement.getChildren() ) {\n\t\tif ( node.name == 'ul' || node.name == 'ol' ) {\n\t\t\treturn node;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n/**\n * Returns an array with all `listItem` elements that represents the same list.\n *\n * It means that values for `listIndent`, `listType`, and `listStyle` for all items are equal.\n *\n * @param {module:engine/model/position~Position} position Starting position.\n * @param {'forward'|'backward'} direction Walking direction.\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getSiblingNodes( position, direction ) {\n\tconst items = [];\n\tconst listItem = position.parent;\n\tconst walkerOptions = {\n\t\tignoreElementEnd: true,\n\t\tstartPosition: position,\n\t\tshallow: true,\n\t\tdirection\n\t};\n\tconst limitIndent = listItem.getAttribute( 'listIndent' );\n\tconst nodes = [ ...new TreeWalker( walkerOptions ) ]\n\t\t.filter( value => value.item.is( 'element' ) )\n\t\t.map( value => value.item );\n\n\tfor ( const element of nodes ) {\n\t\t// If found something else than `listItem`, we're out of the list scope.\n\t\tif ( !element.is( 'element', 'listItem' ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\t// If current parsed item has lower indent that element that the element that was a starting point,\n\t\t// it means we left a nested list. Abort searching items.\n\t\t//\n\t\t// ■ List item 1.       [listIndent=0]\n\t\t//     ○ List item 2.[] [listIndent=1], limitIndent = 1,\n\t\t//     ○ List item 3.   [listIndent=1]\n\t\t// ■ List item 4.       [listIndent=0]\n\t\t//\n\t\t// Abort searching when leave nested list.\n\t\tif ( element.getAttribute( 'listIndent' ) < limitIndent ) {\n\t\t\tbreak;\n\t\t}\n\n\t\t// ■ List item 1.[]     [listIndent=0] limitIndent = 0,\n\t\t//     ○ List item 2.   [listIndent=1]\n\t\t//     ○ List item 3.   [listIndent=1]\n\t\t// ■ List item 4.       [listIndent=0]\n\t\t//\n\t\t// Ignore nested lists.\n\t\tif ( element.getAttribute( 'listIndent' ) > limitIndent ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\t// ■ List item 1.[]  [listType=bulleted]\n\t\t// 1. List item 2.   [listType=numbered]\n\t\t// 2.List item 3.    [listType=numbered]\n\t\t//\n\t\t// Abort searching when found a different kind of a list.\n\t\tif ( element.getAttribute( 'listType' ) !== listItem.getAttribute( 'listType' ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\t// ■ List item 1.[]  [listType=bulleted]\n\t\t// ■ List item 2.    [listType=bulleted]\n\t\t// ○ List item 3.    [listType=bulleted]\n\t\t// ○ List item 4.    [listType=bulleted]\n\t\t//\n\t\t// Abort searching when found a different list style.\n\t\tif ( element.getAttribute( 'listStyle' ) !== listItem.getAttribute( 'listStyle' ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\tif ( direction === 'backward' ) {\n\t\t\titems.unshift( element );\n\t\t} else {\n\t\t\titems.push( element );\n\t\t}\n\t}\n\n\treturn items;\n}\n\n// Implementation of getFillerOffset for view list item element.\n//\n// @returns {Number|null} Block filler offset or `null` if block filler is not needed.\nfunction getListItemFillerOffset() {\n\tconst hasOnlyLists = !this.isEmpty && ( this.getChild( 0 ).name == 'ul' || this.getChild( 0 ).name == 'ol' );\n\n\tif ( this.isEmpty || hasOnlyLists ) {\n\t\treturn 0;\n\t}\n\n\treturn getFillerOffset.call( this );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/converters\n */\n\nimport {\n\tgenerateLiInUl,\n\tinjectViewList,\n\tmergeViewLists,\n\tgetSiblingListItem,\n\tpositionAfterUiElements\n} from './utils';\nimport TreeWalker from '@ckeditor/ckeditor5-engine/src/model/treewalker';\n\n/**\n * A model-to-view converter for the `listItem` model element insertion.\n *\n * It creates a `<ul><li></li><ul>` (or `<ol>`) view structure out of a `listItem` model element, inserts it at the correct\n * position, and merges the list with surrounding lists (if available).\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewInsertion( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst consumable = conversionApi.consumable;\n\n\t\tif ( !consumable.test( data.item, 'insert' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listType' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listIndent' )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\tconsumable.consume( data.item, 'insert' );\n\t\tconsumable.consume( data.item, 'attribute:listType' );\n\t\tconsumable.consume( data.item, 'attribute:listIndent' );\n\n\t\tconst modelItem = data.item;\n\t\tconst viewItem = generateLiInUl( modelItem, conversionApi );\n\n\t\tinjectViewList( modelItem, viewItem, conversionApi, model );\n\t};\n}\n\n/**\n * A model-to-view converter for the `listItem` model element removal.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:remove\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewRemove( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.position );\n\t\tconst viewStart = viewPosition.getLastMatchingPosition( value => !value.item.is( 'element', 'li' ) );\n\t\tconst viewItem = viewStart.nodeAfter;\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\t// 1. Break the container after and before the list item.\n\t\t// This will create a view list with one view list item - the one to remove.\n\t\tviewWriter.breakContainer( viewWriter.createPositionBefore( viewItem ) );\n\t\tviewWriter.breakContainer( viewWriter.createPositionAfter( viewItem ) );\n\n\t\t// 2. Remove the list with the item to remove.\n\t\tconst viewList = viewItem.parent;\n\t\tconst viewListPrev = viewList.previousSibling;\n\t\tconst removeRange = viewWriter.createRangeOn( viewList );\n\t\tconst removed = viewWriter.remove( removeRange );\n\n\t\t// 3. Merge the whole created by breaking and removing the list.\n\t\tif ( viewListPrev && viewListPrev.nextSibling ) {\n\t\t\tmergeViewLists( viewWriter, viewListPrev, viewListPrev.nextSibling );\n\t\t}\n\n\t\t// 4. Bring back nested list that was in the removed <li>.\n\t\tconst modelItem = conversionApi.mapper.toModelElement( viewItem );\n\n\t\thoistNestedLists( modelItem.getAttribute( 'listIndent' ) + 1, data.position, removeRange.start, viewItem, conversionApi, model );\n\n\t\t// 5. Unbind removed view item and all children.\n\t\tfor ( const child of viewWriter.createRangeIn( removed ).getItems() ) {\n\t\t\tconversionApi.mapper.unbindViewElement( child );\n\t\t}\n\n\t\tevt.stop();\n\t};\n}\n\n/**\n * A model-to-view converter for the `type` attribute change on the `listItem` model element.\n *\n * This change means that the `<li>` element parent changes from `<ul>` to `<ol>` (or vice versa). This is accomplished\n * by breaking view elements and changing their name. The next {@link module:list/converters~modelViewMergeAfterChangeType}\n * converter will attempt to merge split nodes.\n *\n * Splitting this conversion into 2 steps makes it possible to add an additional conversion in the middle.\n * Check {@link module:list/todolistconverters~modelViewChangeType} to see an example of it.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface.\n */\nexport function modelViewChangeType( evt, data, conversionApi ) {\n\tif ( !conversionApi.consumable.consume( data.item, 'attribute:listType' ) ) {\n\t\treturn;\n\t}\n\n\tconst viewItem = conversionApi.mapper.toViewElement( data.item );\n\tconst viewWriter = conversionApi.writer;\n\n\t// Break the container after and before the list item.\n\t// This will create a view list with one view list item -- the one that changed type.\n\tviewWriter.breakContainer( viewWriter.createPositionBefore( viewItem ) );\n\tviewWriter.breakContainer( viewWriter.createPositionAfter( viewItem ) );\n\n\t// Change name of the view list that holds the changed view item.\n\t// We cannot just change name property, because that would not render properly.\n\tconst viewList = viewItem.parent;\n\tconst listName = data.attributeNewValue == 'numbered' ? 'ol' : 'ul';\n\n\tviewWriter.rename( listName, viewList );\n}\n\n/**\n * A model-to-view converter that attempts to merge nodes split by {@link module:list/converters~modelViewChangeType}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface.\n */\nexport function modelViewMergeAfterChangeType( evt, data, conversionApi ) {\n\tconst viewItem = conversionApi.mapper.toViewElement( data.item );\n\tconst viewList = viewItem.parent;\n\tconst viewWriter = conversionApi.writer;\n\n\t// Merge the changed view list with other lists, if possible.\n\tmergeViewLists( viewWriter, viewList, viewList.nextSibling );\n\tmergeViewLists( viewWriter, viewList.previousSibling, viewList );\n\n\t// Consumable insertion of children inside the item. They are already handled by re-building the item in view.\n\tfor ( const child of data.item.getChildren() ) {\n\t\tconversionApi.consumable.consume( child, 'insert' );\n\t}\n}\n\n/**\n * A model-to-view converter for the `listIndent` attribute change on the `listItem` model element.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewChangeIndent( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !conversionApi.consumable.consume( data.item, 'attribute:listIndent' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewItem = conversionApi.mapper.toViewElement( data.item );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\t// 1. Break the container after and before the list item.\n\t\t// This will create a view list with one view list item -- the one that changed type.\n\t\tviewWriter.breakContainer( viewWriter.createPositionBefore( viewItem ) );\n\t\tviewWriter.breakContainer( viewWriter.createPositionAfter( viewItem ) );\n\n\t\t// 2. Extract view list with changed view list item and merge \"hole\" possibly created by breaking and removing elements.\n\t\tconst viewList = viewItem.parent;\n\t\tconst viewListPrev = viewList.previousSibling;\n\t\tconst removeRange = viewWriter.createRangeOn( viewList );\n\t\tviewWriter.remove( removeRange );\n\n\t\tif ( viewListPrev && viewListPrev.nextSibling ) {\n\t\t\tmergeViewLists( viewWriter, viewListPrev, viewListPrev.nextSibling );\n\t\t}\n\n\t\t// 3. Bring back nested list that was in the removed <li>.\n\t\thoistNestedLists( data.attributeOldValue + 1, data.range.start, removeRange.start, viewItem, conversionApi, model );\n\n\t\t// 4. Inject view list like it is newly inserted.\n\t\tinjectViewList( data.item, viewItem, conversionApi, model );\n\n\t\t// 5. Consume insertion of children inside the item. They are already handled by re-building the item in view.\n\t\tfor ( const child of data.item.getChildren() ) {\n\t\t\tconversionApi.consumable.consume( child, 'insert' );\n\t\t}\n\t};\n}\n\n/**\n * A special model-to-view converter introduced by the {@link module:list/list~List list feature}. This converter is fired for\n * insert change of every model item, and should be fired before the actual converter. The converter checks whether the inserted\n * model item is a non-`listItem` element. If it is, and it is inserted inside a view list, the converter breaks the\n * list so the model element is inserted to the view parent element corresponding to its model parent element.\n *\n * The converter prevents such situations:\n *\n *\t\t// Model:                        // View:\n *\t\t<listItem>foo</listItem>         <ul>\n *\t\t<listItem>bar</listItem>             <li>foo</li>\n *\t\t                                     <li>bar</li>\n *\t\t                                 </ul>\n *\n *\t\t// After change:                 // Correct view guaranteed by this converter:\n *\t\t<listItem>foo</listItem>         <ul><li>foo</li></ul><p>xxx</p><ul><li>bar</li></ul>\n *\t\t<paragraph>xxx</paragraph>       // Instead of this wrong view state:\n *\t\t<listItem>bar</listItem>         <ul><li>foo</li><p>xxx</p><li>bar</li></ul>\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface.\n */\nexport function modelViewSplitOnInsert( evt, data, conversionApi ) {\n\tif ( data.item.name != 'listItem' ) {\n\t\tlet viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst lists = [];\n\n\t\t// Break multiple ULs/OLs if there are.\n\t\t//\n\t\t// Imagine following list:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//     1.1.1 --------\n\t\t//     1.1.2 --------\n\t\t//     1.1.3 --------\n\t\t//       1.1.3.1 --------\n\t\t//   1.2 --------\n\t\t//     1.2.1 --------\n\t\t// 2 --------\n\t\t//\n\t\t// Insert paragraph after item 1.1.1:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//     1.1.1 --------\n\t\t//\n\t\t// Lorem ipsum.\n\t\t//\n\t\t//     1.1.2 --------\n\t\t//     1.1.3 --------\n\t\t//       1.1.3.1 --------\n\t\t//   1.2 --------\n\t\t//     1.2.1 --------\n\t\t// 2 --------\n\t\t//\n\t\t// In this case 1.1.2 has to become beginning of a new list.\n\t\t// We need to break list before 1.1.2 (obvious), then we need to break list also before 1.2.\n\t\t// Then we need to move those broken pieces one after another and merge:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//     1.1.1 --------\n\t\t//\n\t\t// Lorem ipsum.\n\t\t//\n\t\t// 1.1.2 --------\n\t\t//   1.1.3 --------\n\t\t//     1.1.3.1 --------\n\t\t// 1.2 --------\n\t\t//   1.2.1 --------\n\t\t// 2 --------\n\t\t//\n\t\twhile ( viewPosition.parent.name == 'ul' || viewPosition.parent.name == 'ol' ) {\n\t\t\tviewPosition = viewWriter.breakContainer( viewPosition );\n\n\t\t\tif ( viewPosition.parent.name != 'li' ) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\t// Remove lists that are after inserted element.\n\t\t\t// They will be brought back later, below the inserted element.\n\t\t\tconst removeStart = viewPosition;\n\t\t\tconst removeEnd = viewWriter.createPositionAt( viewPosition.parent, 'end' );\n\n\t\t\t// Don't remove if there is nothing to remove.\n\t\t\tif ( !removeStart.isEqual( removeEnd ) ) {\n\t\t\t\tconst removed = viewWriter.remove( viewWriter.createRange( removeStart, removeEnd ) );\n\t\t\t\tlists.push( removed );\n\t\t\t}\n\n\t\t\tviewPosition = viewWriter.createPositionAfter( viewPosition.parent );\n\t\t}\n\n\t\t// Bring back removed lists.\n\t\tif ( lists.length > 0 ) {\n\t\t\tfor ( let i = 0; i < lists.length; i++ ) {\n\t\t\t\tconst previousList = viewPosition.nodeBefore;\n\t\t\t\tconst insertedRange = viewWriter.insert( viewPosition, lists[ i ] );\n\t\t\t\tviewPosition = insertedRange.end;\n\n\t\t\t\t// Don't merge first list! We want a split in that place (this is why this converter is introduced).\n\t\t\t\tif ( i > 0 ) {\n\t\t\t\t\tconst mergePos = mergeViewLists( viewWriter, previousList, previousList.nextSibling );\n\n\t\t\t\t\t// If `mergePos` is in `previousList` it means that the lists got merged.\n\t\t\t\t\t// In this case, we need to fix insert position.\n\t\t\t\t\tif ( mergePos && mergePos.parent == previousList ) {\n\t\t\t\t\t\tviewPosition.offset--;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Merge last inserted list with element after it.\n\t\t\tmergeViewLists( viewWriter, viewPosition.nodeBefore, viewPosition.nodeAfter );\n\t\t}\n\t}\n}\n\n/**\n * A special model-to-view converter introduced by the {@link module:list/list~List list feature}. This converter takes care of\n * merging view lists after something is removed or moved from near them.\n *\n * Example:\n *\n *\t\t// Model:                        // View:\n *\t\t<listItem>foo</listItem>         <ul><li>foo</li></ul>\n *\t\t<paragraph>xxx</paragraph>       <p>xxx</p>\n *\t\t<listItem>bar</listItem>         <ul><li>bar</li></ul>\n *\n *\t\t// After change:                 // Correct view guaranteed by this converter:\n *\t\t<listItem>foo</listItem>         <ul>\n *\t\t<listItem>bar</listItem>             <li>foo</li>\n *\t\t                                     <li>bar</li>\n *\t\t                                 </ul>\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:remove\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface.\n */\nexport function modelViewMergeAfter( evt, data, conversionApi ) {\n\tconst viewPosition = conversionApi.mapper.toViewPosition( data.position );\n\tconst viewItemPrev = viewPosition.nodeBefore;\n\tconst viewItemNext = viewPosition.nodeAfter;\n\n\t// Merge lists if something (remove, move) was done from inside of list.\n\t// Merging will be done only if both items are view lists of the same type.\n\t// The check is done inside the helper function.\n\tmergeViewLists( conversionApi.writer, viewItemPrev, viewItemNext );\n}\n\n/**\n * A view-to-model converter that converts the `<li>` view elements into the `listItem` model elements.\n *\n * To set correct values of the `listType` and `listIndent` attributes the converter:\n * * checks `<li>`'s parent,\n * * stores and increases the `conversionApi.store.indent` value when `<li>`'s sub-items are converted.\n *\n * @see module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data An object containing conversion input and a placeholder for conversion output and possibly other values.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n */\nexport function viewModelConverter( evt, data, conversionApi ) {\n\tif ( conversionApi.consumable.consume( data.viewItem, { name: true } ) ) {\n\t\tconst writer = conversionApi.writer;\n\n\t\t// 1. Create `listItem` model element.\n\t\tconst listItem = writer.createElement( 'listItem' );\n\n\t\t// 2. Handle `listItem` model element attributes.\n\t\tconst indent = getIndent( data.viewItem );\n\n\t\twriter.setAttribute( 'listIndent', indent, listItem );\n\n\t\t// Set 'bulleted' as default. If this item is pasted into a context,\n\t\tconst type = data.viewItem.parent && data.viewItem.parent.name == 'ol' ? 'numbered' : 'bulleted';\n\t\twriter.setAttribute( 'listType', type, listItem );\n\n\t\tif ( !conversionApi.safeInsert( listItem, data.modelCursor ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst nextPosition = viewToModelListItemChildrenConverter( listItem, data.viewItem.getChildren(), conversionApi );\n\n\t\t// Result range starts before the first item and ends after the last.\n\t\tdata.modelRange = writer.createRange( data.modelCursor, nextPosition );\n\n\t\tconversionApi.updateConversionResult( listItem, data );\n\t}\n}\n\n/**\n * A view-to-model converter for the `<ul>` and `<ol>` view elements that cleans the input view of garbage.\n * This is mostly to clean whitespaces from between the `<li>` view elements inside the view list element, however, also\n * incorrect data can be cleared if the view was incorrect.\n *\n * @see module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data An object containing conversion input and a placeholder for conversion output and possibly other values.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n */\nexport function cleanList( evt, data, conversionApi ) {\n\tif ( conversionApi.consumable.test( data.viewItem, { name: true } ) ) {\n\t\t// Caching children because when we start removing them iterating fails.\n\t\tconst children = Array.from( data.viewItem.getChildren() );\n\n\t\tfor ( const child of children ) {\n\t\t\tconst isWrongElement = !( child.is( 'element', 'li' ) || isList( child ) );\n\n\t\t\tif ( isWrongElement ) {\n\t\t\t\tchild._remove();\n\t\t\t}\n\t\t}\n\t}\n}\n\n/**\n * A view-to-model converter for the `<li>` elements that cleans whitespace formatting from the input view.\n *\n * @see module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data An object containing conversion input and a placeholder for conversion output and possibly other values.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n */\nexport function cleanListItem( evt, data, conversionApi ) {\n\tif ( conversionApi.consumable.test( data.viewItem, { name: true } ) ) {\n\t\tif ( data.viewItem.childCount === 0 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst children = [ ...data.viewItem.getChildren() ];\n\n\t\tlet foundList = false;\n\t\tlet firstNode = true;\n\n\t\tfor ( const child of children ) {\n\t\t\tif ( foundList && !isList( child ) ) {\n\t\t\t\tchild._remove();\n\t\t\t}\n\n\t\t\tif ( child.is( '$text' ) ) {\n\t\t\t\t// If this is the first node and it's a text node, left-trim it.\n\t\t\t\tif ( firstNode ) {\n\t\t\t\t\tchild._data = child.data.replace( /^\\s+/, '' );\n\t\t\t\t}\n\n\t\t\t\t// If this is the last text node before <ul> or <ol>, right-trim it.\n\t\t\t\tif ( !child.nextSibling || isList( child.nextSibling ) ) {\n\t\t\t\t\tchild._data = child.data.replace( /\\s+$/, '' );\n\t\t\t\t}\n\t\t\t} else if ( isList( child ) ) {\n\t\t\t\t// If this is a <ul> or <ol>, do not process it, just mark that we already visited list element.\n\t\t\t\tfoundList = true;\n\t\t\t}\n\n\t\t\tfirstNode = false;\n\t\t}\n\t}\n}\n\n/**\n * Returns a callback for model position to view position mapping for {@link module:engine/conversion/mapper~Mapper}. The callback fixes\n * positions between the `listItem` elements that would be incorrectly mapped because of how list items are represented in the model\n * and in the view.\n *\n * @see module:engine/conversion/mapper~Mapper#event:modelToViewPosition\n * @param {module:engine/view/view~View} view A view instance.\n * @returns {Function}\n */\nexport function modelToViewPosition( view ) {\n\treturn ( evt, data ) => {\n\t\tif ( data.isPhantom ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelItem = data.modelPosition.nodeBefore;\n\n\t\tif ( modelItem && modelItem.is( 'element', 'listItem' ) ) {\n\t\t\tconst viewItem = data.mapper.toViewElement( modelItem );\n\t\t\tconst topmostViewList = viewItem.getAncestors().find( isList );\n\t\t\tconst walker = view.createPositionAt( viewItem, 0 ).getWalker();\n\n\t\t\tfor ( const value of walker ) {\n\t\t\t\tif ( value.type == 'elementStart' && value.item.is( 'element', 'li' ) ) {\n\t\t\t\t\tdata.viewPosition = value.previousPosition;\n\n\t\t\t\t\tbreak;\n\t\t\t\t} else if ( value.type == 'elementEnd' && value.item == topmostViewList ) {\n\t\t\t\t\tdata.viewPosition = value.nextPosition;\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n/**\n * The callback for view position to model position mapping for {@link module:engine/conversion/mapper~Mapper}. The callback fixes\n * positions between the `<li>` elements that would be incorrectly mapped because of how list items are represented in the model\n * and in the view.\n *\n * @see module:engine/conversion/mapper~Mapper#event:viewToModelPosition\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function viewToModelPosition( model ) {\n\treturn ( evt, data ) => {\n\t\tconst viewPos = data.viewPosition;\n\t\tconst viewParent = viewPos.parent;\n\t\tconst mapper = data.mapper;\n\n\t\tif ( viewParent.name == 'ul' || viewParent.name == 'ol' ) {\n\t\t\t// Position is directly in <ul> or <ol>.\n\t\t\tif ( !viewPos.isAtEnd ) {\n\t\t\t\t// If position is not at the end, it must be before <li>.\n\t\t\t\t// Get that <li>, map it to `listItem` and set model position before that `listItem`.\n\t\t\t\tconst modelNode = mapper.toModelElement( viewPos.nodeAfter );\n\n\t\t\t\tdata.modelPosition = model.createPositionBefore( modelNode );\n\t\t\t} else {\n\t\t\t\t// Position is at the end of <ul> or <ol>, so there is no <li> after it to be mapped.\n\t\t\t\t// There is <li> before the position, but we cannot just map it to `listItem` and set model position after it,\n\t\t\t\t// because that <li> may contain nested items.\n\t\t\t\t// We will check \"model length\" of that <li>, in other words - how many `listItem`s are in that <li>.\n\t\t\t\tconst modelNode = mapper.toModelElement( viewPos.nodeBefore );\n\t\t\t\tconst modelLength = mapper.getModelLength( viewPos.nodeBefore );\n\n\t\t\t\t// Then we get model position before mapped `listItem` and shift it accordingly.\n\t\t\t\tdata.modelPosition = model.createPositionBefore( modelNode ).getShiftedBy( modelLength );\n\t\t\t}\n\n\t\t\tevt.stop();\n\t\t} else if (\n\t\t\tviewParent.name == 'li' &&\n\t\t\tviewPos.nodeBefore &&\n\t\t\t( viewPos.nodeBefore.name == 'ul' || viewPos.nodeBefore.name == 'ol' )\n\t\t) {\n\t\t\t// In most cases when view position is in <li> it is in text and this is a correct position.\n\t\t\t// However, if position is after <ul> or <ol> we have to fix it -- because in model <ul>/<ol> are not in the `listItem`.\n\t\t\tconst modelNode = mapper.toModelElement( viewParent );\n\n\t\t\t// Check all <ul>s and <ol>s that are in the <li> but before mapped position.\n\t\t\t// Get model length of those elements and then add it to the offset of `listItem` mapped to the original <li>.\n\t\t\tlet modelLength = 1; // Starts from 1 because the original <li> has to be counted in too.\n\t\t\tlet viewList = viewPos.nodeBefore;\n\n\t\t\twhile ( viewList && isList( viewList ) ) {\n\t\t\t\tmodelLength += mapper.getModelLength( viewList );\n\n\t\t\t\tviewList = viewList.previousSibling;\n\t\t\t}\n\n\t\t\tdata.modelPosition = model.createPositionBefore( modelNode ).getShiftedBy( modelLength );\n\n\t\t\tevt.stop();\n\t\t}\n\t};\n}\n\n/**\n * Post-fixer that reacts to changes on document and fixes incorrect model states.\n *\n * In the example below, there is a correct list structure.\n * Then the middle element is removed so the list structure will become incorrect:\n *\n *\t\t<listItem listType=\"bulleted\" listIndent=0>Item 1</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=1>Item 2</listItem>   <--- this is removed.\n *\t\t<listItem listType=\"bulleted\" listIndent=2>Item 3</listItem>\n *\n * The list structure after the middle element is removed:\n *\n * \t\t<listItem listType=\"bulleted\" listIndent=0>Item 1</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=2>Item 3</listItem>\n *\n * Should become:\n *\n *\t\t<listItem listType=\"bulleted\" listIndent=0>Item 1</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=1>Item 3</listItem>   <--- note that indent got post-fixed.\n *\n * @param {module:engine/model/model~Model} model The data model.\n * @param {module:engine/model/writer~Writer} writer The writer to do changes with.\n * @returns {Boolean} `true` if any change has been applied, `false` otherwise.\n */\nexport function modelChangePostFixer( model, writer ) {\n\tconst changes = model.document.differ.getChanges();\n\tconst itemToListHead = new Map();\n\n\tlet applied = false;\n\n\tfor ( const entry of changes ) {\n\t\tif ( entry.type == 'insert' && entry.name == 'listItem' ) {\n\t\t\t_addListToFix( entry.position );\n\t\t} else if ( entry.type == 'insert' && entry.name != 'listItem' ) {\n\t\t\tif ( entry.name != '$text' ) {\n\t\t\t\t// In case of renamed element.\n\t\t\t\tconst item = entry.position.nodeAfter;\n\n\t\t\t\tif ( item.hasAttribute( 'listIndent' ) ) {\n\t\t\t\t\twriter.removeAttribute( 'listIndent', item );\n\n\t\t\t\t\tapplied = true;\n\t\t\t\t}\n\n\t\t\t\tif ( item.hasAttribute( 'listType' ) ) {\n\t\t\t\t\twriter.removeAttribute( 'listType', item );\n\n\t\t\t\t\tapplied = true;\n\t\t\t\t}\n\n\t\t\t\tif ( item.hasAttribute( 'listStyle' ) ) {\n\t\t\t\t\twriter.removeAttribute( 'listStyle', item );\n\n\t\t\t\t\tapplied = true;\n\t\t\t\t}\n\n\t\t\t\tfor ( const innerItem of Array.from( model.createRangeIn( item ) ).filter( e => e.item.is( 'element', 'listItem' ) ) ) {\n\t\t\t\t\t_addListToFix( innerItem.previousPosition );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst posAfter = entry.position.getShiftedBy( entry.length );\n\n\t\t\t_addListToFix( posAfter );\n\t\t} else if ( entry.type == 'remove' && entry.name == 'listItem' ) {\n\t\t\t_addListToFix( entry.position );\n\t\t} else if ( entry.type == 'attribute' && entry.attributeKey == 'listIndent' ) {\n\t\t\t_addListToFix( entry.range.start );\n\t\t} else if ( entry.type == 'attribute' && entry.attributeKey == 'listType' ) {\n\t\t\t_addListToFix( entry.range.start );\n\t\t}\n\t}\n\n\tfor ( const listHead of itemToListHead.values() ) {\n\t\t_fixListIndents( listHead );\n\t\t_fixListTypes( listHead );\n\t}\n\n\treturn applied;\n\n\tfunction _addListToFix( position ) {\n\t\tconst previousNode = position.nodeBefore;\n\n\t\tif ( !previousNode || !previousNode.is( 'element', 'listItem' ) ) {\n\t\t\tconst item = position.nodeAfter;\n\n\t\t\tif ( item && item.is( 'element', 'listItem' ) ) {\n\t\t\t\titemToListHead.set( item, item );\n\t\t\t}\n\t\t} else {\n\t\t\tlet listHead = previousNode;\n\n\t\t\tif ( itemToListHead.has( listHead ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tfor (\n\t\t\t\t// Cache previousSibling and reuse for performance reasons. See #6581.\n\t\t\t\tlet previousSibling = listHead.previousSibling;\n\t\t\t\tpreviousSibling && previousSibling.is( 'element', 'listItem' );\n\t\t\t\tpreviousSibling = listHead.previousSibling\n\t\t\t) {\n\t\t\t\tlistHead = previousSibling;\n\n\t\t\t\tif ( itemToListHead.has( listHead ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\titemToListHead.set( previousNode, listHead );\n\t\t}\n\t}\n\n\tfunction _fixListIndents( item ) {\n\t\tlet maxIndent = 0;\n\t\tlet fixBy = null;\n\n\t\twhile ( item && item.is( 'element', 'listItem' ) ) {\n\t\t\tconst itemIndent = item.getAttribute( 'listIndent' );\n\n\t\t\tif ( itemIndent > maxIndent ) {\n\t\t\t\tlet newIndent;\n\n\t\t\t\tif ( fixBy === null ) {\n\t\t\t\t\tfixBy = itemIndent - maxIndent;\n\t\t\t\t\tnewIndent = maxIndent;\n\t\t\t\t} else {\n\t\t\t\t\tif ( fixBy > itemIndent ) {\n\t\t\t\t\t\tfixBy = itemIndent;\n\t\t\t\t\t}\n\n\t\t\t\t\tnewIndent = itemIndent - fixBy;\n\t\t\t\t}\n\n\t\t\t\twriter.setAttribute( 'listIndent', newIndent, item );\n\n\t\t\t\tapplied = true;\n\t\t\t} else {\n\t\t\t\tfixBy = null;\n\t\t\t\tmaxIndent = item.getAttribute( 'listIndent' ) + 1;\n\t\t\t}\n\n\t\t\titem = item.nextSibling;\n\t\t}\n\t}\n\n\tfunction _fixListTypes( item ) {\n\t\tlet typesStack = [];\n\t\tlet prev = null;\n\n\t\twhile ( item && item.is( 'element', 'listItem' ) ) {\n\t\t\tconst itemIndent = item.getAttribute( 'listIndent' );\n\n\t\t\tif ( prev && prev.getAttribute( 'listIndent' ) > itemIndent ) {\n\t\t\t\ttypesStack = typesStack.slice( 0, itemIndent + 1 );\n\t\t\t}\n\n\t\t\tif ( itemIndent != 0 ) {\n\t\t\t\tif ( typesStack[ itemIndent ] ) {\n\t\t\t\t\tconst type = typesStack[ itemIndent ];\n\n\t\t\t\t\tif ( item.getAttribute( 'listType' ) != type ) {\n\t\t\t\t\t\twriter.setAttribute( 'listType', type, item );\n\n\t\t\t\t\t\tapplied = true;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\ttypesStack[ itemIndent ] = item.getAttribute( 'listType' );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tprev = item;\n\t\t\titem = item.nextSibling;\n\t\t}\n\t}\n}\n\n/**\n * A fixer for pasted content that includes list items.\n *\n * It fixes indentation of pasted list items so the pasted items match correctly to the context they are pasted into.\n *\n * Example:\n *\n *\t\t<listItem listType=\"bulleted\" listIndent=0>A</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=1>B^</listItem>\n *\t\t// At ^ paste:  <listItem listType=\"bulleted\" listIndent=4>X</listItem>\n *\t\t//              <listItem listType=\"bulleted\" listIndent=5>Y</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=2>C</listItem>\n *\n * Should become:\n *\n *\t\t<listItem listType=\"bulleted\" listIndent=0>A</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=1>BX</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=2>Y/listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=2>C</listItem>\n *\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Array} args Arguments of {@link module:engine/model/model~Model#insertContent}.\n */\nexport function modelIndentPasteFixer( evt, [ content, selectable ] ) {\n\t// Check whether inserted content starts from a `listItem`. If it does not, it means that there are some other\n\t// elements before it and there is no need to fix indents, because even if we insert that content into a list,\n\t// that list will be broken.\n\t// Note: we also need to handle singular elements because inserting item with indent 0 into 0,1,[],2\n\t// would create incorrect model.\n\tlet item = content.is( 'documentFragment' ) ? content.getChild( 0 ) : content;\n\n\tlet selection;\n\n\tif ( !selectable ) {\n\t\tselection = this.document.selection;\n\t} else {\n\t\tselection = this.createSelection( selectable );\n\t}\n\n\tif ( item && item.is( 'element', 'listItem' ) ) {\n\t\t// Get a reference list item. Inserted list items will be fixed according to that item.\n\t\tconst pos = selection.getFirstPosition();\n\t\tlet refItem = null;\n\n\t\tif ( pos.parent.is( 'element', 'listItem' ) ) {\n\t\t\trefItem = pos.parent;\n\t\t} else if ( pos.nodeBefore && pos.nodeBefore.is( 'element', 'listItem' ) ) {\n\t\t\trefItem = pos.nodeBefore;\n\t\t}\n\n\t\t// If there is `refItem` it means that we do insert list items into an existing list.\n\t\tif ( refItem ) {\n\t\t\t// First list item in `data` has indent equal to 0 (it is a first list item). It should have indent equal\n\t\t\t// to the indent of reference item. We have to fix the first item and all of it's children and following siblings.\n\t\t\t// Indent of all those items has to be adjusted to reference item.\n\t\t\tconst indentChange = refItem.getAttribute( 'listIndent' );\n\n\t\t\t// Fix only if there is anything to fix.\n\t\t\tif ( indentChange > 0 ) {\n\t\t\t\t// Adjust indent of all \"first\" list items in inserted data.\n\t\t\t\twhile ( item && item.is( 'element', 'listItem' ) ) {\n\t\t\t\t\titem._setAttribute( 'listIndent', item.getAttribute( 'listIndent' ) + indentChange );\n\n\t\t\t\t\titem = item.nextSibling;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Helper function that converts children of a given `<li>` view element into corresponding model elements.\n// The function maintains proper order of elements if model `listItem` is split during the conversion\n// due to block children conversion.\n//\n// @param {module:engine/model/element~Element} listItemModel List item model element to which converted children will be inserted.\n// @param {Iterable.<module:engine/view/node~Node>} viewChildren View elements which will be converted.\n// @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n// @returns {module:engine/model/position~Position} Position on which next elements should be inserted after children conversion.\nfunction viewToModelListItemChildrenConverter( listItemModel, viewChildren, conversionApi ) {\n\tconst { writer, schema } = conversionApi;\n\n\t// A position after the last inserted `listItem`.\n\tlet nextPosition = writer.createPositionAfter( listItemModel );\n\n\t// Check all children of the converted `<li>`. At this point we assume there are no \"whitespace\" view text nodes\n\t// in view list, between view list items. This should be handled by `<ul>` and `<ol>` converters.\n\tfor ( const child of viewChildren ) {\n\t\tif ( child.name == 'ul' || child.name == 'ol' ) {\n\t\t\t// If the children is a list, we will insert its conversion result after currently handled `listItem`.\n\t\t\t// Then, next insertion position will be set after all the new list items (and maybe other elements if\n\t\t\t// something split list item).\n\t\t\t//\n\t\t\t// If this is a list, we expect that some `listItem`s and possibly other blocks will be inserted, however `.modelCursor`\n\t\t\t// should be set after last `listItem` (or block). This is why it feels safe to use it as `nextPosition`\n\t\t\tnextPosition = conversionApi.convertItem( child, nextPosition ).modelCursor;\n\t\t} else {\n\t\t\t// If this is not a list, try inserting content at the end of the currently handled `listItem`.\n\t\t\tconst result = conversionApi.convertItem( child, writer.createPositionAt( listItemModel, 'end' ) );\n\n\t\t\t// It may end up that the current `listItem` becomes split (if that content cannot be inside `listItem`). For example:\n\t\t\t//\n\t\t\t// <li><p>Foo</p></li>\n\t\t\t//\n\t\t\t// will be converted to:\n\t\t\t//\n\t\t\t// <listItem></listItem><paragraph>Foo</paragraph><listItem></listItem>\n\t\t\t//\n\t\t\tconst convertedChild = result.modelRange.start.nodeAfter;\n\t\t\tconst wasSplit = convertedChild && convertedChild.is( 'element' ) && !schema.checkChild( listItemModel, convertedChild.name );\n\n\t\t\tif ( wasSplit ) {\n\t\t\t\t// As `lastListItem` got split, we need to update it to the second part of the split `listItem` element.\n\t\t\t\t//\n\t\t\t\t// `modelCursor` should be set to a position where the conversion should continue. There are multiple possible scenarios\n\t\t\t\t// that may happen. Usually, `modelCursor` (marked as `#` below) would point to the second list item after conversion:\n\t\t\t\t//\n\t\t\t\t//\t\t`<li><p>Foo</p></li>` -> `<listItem></listItem><paragraph>Foo</paragraph><listItem>#</listItem>`\n\t\t\t\t//\n\t\t\t\t// However, in some cases, like auto-paragraphing, the position is placed at the end of the block element:\n\t\t\t\t//\n\t\t\t\t//\t\t`<li><div>Foo</div></li>` -> `<listItem></listItem><paragraph>Foo#</paragraph><listItem></listItem>`\n\t\t\t\t//\n\t\t\t\t// or after an element if another element broken auto-paragraphed element:\n\t\t\t\t//\n\t\t\t\t//\t\t`<li><div><h2>Foo</h2></div></li>` -> `<listItem></listItem><heading1>Foo</heading1>#<listItem></listItem>`\n\t\t\t\t//\n\t\t\t\t// We need to check for such cases and use proper list item and position based on it.\n\t\t\t\t//\n\t\t\t\tif ( result.modelCursor.parent.is( 'element', 'listItem' ) ) {\n\t\t\t\t\t// (1).\n\t\t\t\t\tlistItemModel = result.modelCursor.parent;\n\t\t\t\t} else {\n\t\t\t\t\t// (2), (3).\n\t\t\t\t\tlistItemModel = findNextListItem( result.modelCursor );\n\t\t\t\t}\n\n\t\t\t\tnextPosition = writer.createPositionAfter( listItemModel );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn nextPosition;\n}\n\n// Helper function that seeks for a next list item starting from given `startPosition`.\nfunction findNextListItem( startPosition ) {\n\tconst treeWalker = new TreeWalker( { startPosition } );\n\n\tlet value;\n\n\tdo {\n\t\tvalue = treeWalker.next();\n\t} while ( !value.value.item.is( 'element', 'listItem' ) );\n\n\treturn value.value.item;\n}\n\n// Helper function that takes all children of given `viewRemovedItem` and moves them in a correct place, according\n// to other given parameters.\nfunction hoistNestedLists( nextIndent, modelRemoveStartPosition, viewRemoveStartPosition, viewRemovedItem, conversionApi, model ) {\n\t// Find correct previous model list item element.\n\t// The element has to have either same or smaller indent than given reference indent.\n\t// This will be the model element which will get nested items (if it has smaller indent) or sibling items (if it has same indent).\n\t// Keep in mind that such element might not be found, if removed item was the first item.\n\tconst prevModelItem = getSiblingListItem( modelRemoveStartPosition.nodeBefore, {\n\t\tsameIndent: true,\n\t\tsmallerIndent: true,\n\t\tlistIndent: nextIndent,\n\t\tfoo: 'b'\n\t} );\n\n\tconst mapper = conversionApi.mapper;\n\tconst viewWriter = conversionApi.writer;\n\n\t// Indent of found element or `null` if the element has not been found.\n\tconst prevIndent = prevModelItem ? prevModelItem.getAttribute( 'listIndent' ) : null;\n\n\tlet insertPosition;\n\n\tif ( !prevModelItem ) {\n\t\t// If element has not been found, simply insert lists at the position where the removed item was:\n\t\t//\n\t\t// Lorem ipsum.\n\t\t// 1 --------           <--- this is removed, no previous list item, put nested items in place of removed item.\n\t\t//   1.1 --------       <--- this is reference indent.\n\t\t//     1.1.1 --------\n\t\t//     1.1.2 --------\n\t\t//   1.2 --------\n\t\t//\n\t\t// Becomes:\n\t\t//\n\t\t// Lorem ipsum.\n\t\t// 1.1 --------\n\t\t//   1.1.1 --------\n\t\t//   1.1.2 --------\n\t\t// 1.2 --------\n\t\tinsertPosition = viewRemoveStartPosition;\n\t} else if ( prevIndent == nextIndent ) {\n\t\t// If element has been found and has same indent as reference indent it means that nested items should\n\t\t// become siblings of found element:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//   1.2 --------       <--- this is `prevModelItem`.\n\t\t// 2 --------           <--- this is removed, previous list item has indent same as reference indent.\n\t\t//   2.1 --------       <--- this is reference indent, this and 2.2 should become siblings of 1.2.\n\t\t//   2.2 --------\n\t\t//\n\t\t// Becomes:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//   1.2 --------\n\t\t//   2.1 --------\n\t\t//   2.2 --------\n\t\tconst prevViewList = mapper.toViewElement( prevModelItem ).parent;\n\t\tinsertPosition = viewWriter.createPositionAfter( prevViewList );\n\t} else {\n\t\t// If element has been found and has smaller indent as reference indent it means that nested items\n\t\t// should become nested items of found item:\n\t\t//\n\t\t// 1 --------           <--- this is `prevModelItem`.\n\t\t//   1.1 --------       <--- this is removed, previous list item has indent smaller than reference indent.\n\t\t//     1.1.1 --------   <--- this is reference indent, this and 1.1.1 should become nested items of 1.\n\t\t//     1.1.2 --------\n\t\t//   1.2 --------\n\t\t//\n\t\t// Becomes:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1.1 --------\n\t\t//   1.1.2 --------\n\t\t//   1.2 --------\n\t\t//\n\t\t// Note: in this case 1.1.1 have indent 2 while 1 have indent 0. In model that should not be possible,\n\t\t// because following item may have indent bigger only by one. But this is fixed by postfixer.\n\t\tconst modelPosition = model.createPositionAt( prevModelItem, 'end' );\n\t\tinsertPosition = mapper.toViewPosition( modelPosition );\n\t}\n\n\tinsertPosition = positionAfterUiElements( insertPosition );\n\n\t// Handle multiple lists. This happens if list item has nested numbered and bulleted lists. Following lists\n\t// are inserted after the first list (no need to recalculate insertion position for them).\n\tfor ( const child of [ ...viewRemovedItem.getChildren() ] ) {\n\t\tif ( isList( child ) ) {\n\t\t\tinsertPosition = viewWriter.move( viewWriter.createRangeOn( child ), insertPosition ).end;\n\n\t\t\tmergeViewLists( viewWriter, child, child.nextSibling );\n\t\t\tmergeViewLists( viewWriter, child.previousSibling, child );\n\t\t}\n\t}\n}\n\n// Checks if view element is a list type (ul or ol).\n//\n// @param {module:engine/view/element~Element} viewElement\n// @returns {Boolean}\nfunction isList( viewElement ) {\n\treturn viewElement.is( 'element', 'ol' ) || viewElement.is( 'element', 'ul' );\n}\n\n// Calculates the indent value for a list item. Handles HTML compliant and non-compliant lists.\n//\n// Also, fixes non HTML compliant lists indents:\n//\n//\t\tbefore:                                     fixed list:\n//\t\tOL                                          OL\n//\t\t|-> LI (parent LIs: 0)                      |-> LI     (indent: 0)\n//\t\t    |-> OL                                  |-> OL\n//\t\t        |-> OL                                  |\n//\t\t        |   |-> OL                              |\n//\t\t        |       |-> OL                          |\n//\t\t        |           |-> LI (parent LIs: 1)      |-> LI (indent: 1)\n//\t\t        |-> LI (parent LIs: 1)                  |-> LI (indent: 1)\n//\n//\t\tbefore:                                     fixed list:\n//\t\tOL                                          OL\n//\t\t|-> OL                                      |\n//\t\t    |-> OL                                  |\n//\t\t         |-> OL                             |\n//\t\t             |-> LI (parent LIs: 0)         |-> LI        (indent: 0)\n//\n//\t\tbefore:                                     fixed list:\n//\t\tOL                                          OL\n//\t\t|-> LI (parent LIs: 0)                      |-> LI         (indent: 0)\n//\t\t|-> OL                                          |-> OL\n//\t\t    |-> LI (parent LIs: 0)                          |-> LI (indent: 1)\n//\n// @param {module:engine/view/element~Element} listItem\n// @param {Object} conversionStore\n// @returns {Number}\nfunction getIndent( listItem ) {\n\tlet indent = 0;\n\n\tlet parent = listItem.parent;\n\n\twhile ( parent ) {\n\t\t// Each LI in the tree will result in an increased indent for HTML compliant lists.\n\t\tif ( parent.is( 'element', 'li' ) ) {\n\t\t\tindent++;\n\t\t} else {\n\t\t\t// If however the list is nested in other list we should check previous sibling of any of the list elements...\n\t\t\tconst previousSibling = parent.previousSibling;\n\n\t\t\t// ...because the we might need increase its indent:\n\t\t\t//\t\tbefore:                           fixed list:\n\t\t\t//\t\tOL                                OL\n\t\t\t//\t\t|-> LI (parent LIs: 0)            |-> LI         (indent: 0)\n\t\t\t//\t\t|-> OL                                |-> OL\n\t\t\t//\t\t    |-> LI (parent LIs: 0)                |-> LI (indent: 1)\n\t\t\tif ( previousSibling && previousSibling.is( 'element', 'li' ) ) {\n\t\t\t\tindent++;\n\t\t\t}\n\t\t}\n\n\t\tparent = parent.parent;\n\t}\n\n\treturn indent;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/listediting\n */\n\nimport ListCommand from './listcommand';\nimport IndentCommand from './indentcommand';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\n\nimport {\n\tcleanList,\n\tcleanListItem,\n\tmodelViewInsertion,\n\tmodelViewChangeType,\n\tmodelViewMergeAfterChangeType,\n\tmodelViewMergeAfter,\n\tmodelViewRemove,\n\tmodelViewSplitOnInsert,\n\tmodelViewChangeIndent,\n\tmodelChangePostFixer,\n\tmodelIndentPasteFixer,\n\tviewModelConverter,\n\tmodelToViewPosition,\n\tviewToModelPosition\n} from './converters';\n\n/**\n * The engine of the list feature. It handles creating, editing and removing lists and list items.\n *\n * It registers the `'numberedList'`, `'bulletedList'`, `'indentList'` and `'outdentList'` commands.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ListEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ListEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Paragraph ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Schema.\n\t\t// Note: in case `$block` will ever be allowed in `listItem`, keep in mind that this feature\n\t\t// uses `Selection#getSelectedBlocks()` without any additional processing to obtain all selected list items.\n\t\t// If there are blocks allowed inside list item, algorithms using `getSelectedBlocks()` will have to be modified.\n\t\teditor.model.schema.register( 'listItem', {\n\t\t\tinheritAllFrom: '$block',\n\t\t\tallowAttributes: [ 'listType', 'listIndent' ]\n\t\t} );\n\n\t\t// Converters.\n\t\tconst data = editor.data;\n\t\tconst editing = editor.editing;\n\n\t\teditor.model.document.registerPostFixer( writer => modelChangePostFixer( editor.model, writer ) );\n\n\t\tediting.mapper.registerViewToModelLength( 'li', getViewListItemLength );\n\t\tdata.mapper.registerViewToModelLength( 'li', getViewListItemLength );\n\n\t\tediting.mapper.on( 'modelToViewPosition', modelToViewPosition( editing.view ) );\n\t\tediting.mapper.on( 'viewToModelPosition', viewToModelPosition( editor.model ) );\n\t\tdata.mapper.on( 'modelToViewPosition', modelToViewPosition( editing.view ) );\n\n\t\teditor.conversion.for( 'editingDowncast' )\n\t\t\t.add( dispatcher => {\n\t\t\t\tdispatcher.on( 'insert', modelViewSplitOnInsert, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'insert:listItem', modelViewInsertion( editor.model ) );\n\t\t\t\tdispatcher.on( 'attribute:listType:listItem', modelViewChangeType, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'attribute:listType:listItem', modelViewMergeAfterChangeType, { priority: 'low' } );\n\t\t\t\tdispatcher.on( 'attribute:listIndent:listItem', modelViewChangeIndent( editor.model ) );\n\t\t\t\tdispatcher.on( 'remove:listItem', modelViewRemove( editor.model ) );\n\t\t\t\tdispatcher.on( 'remove', modelViewMergeAfter, { priority: 'low' } );\n\t\t\t} );\n\n\t\teditor.conversion.for( 'dataDowncast' )\n\t\t\t.add( dispatcher => {\n\t\t\t\tdispatcher.on( 'insert', modelViewSplitOnInsert, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'insert:listItem', modelViewInsertion( editor.model ) );\n\t\t\t} );\n\n\t\teditor.conversion.for( 'upcast' )\n\t\t\t.add( dispatcher => {\n\t\t\t\tdispatcher.on( 'element:ul', cleanList, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'element:ol', cleanList, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'element:li', cleanListItem, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'element:li', viewModelConverter );\n\t\t\t} );\n\n\t\t// Fix indentation of pasted items.\n\t\teditor.model.on( 'insertContent', modelIndentPasteFixer, { priority: 'high' } );\n\n\t\t// Register commands for numbered and bulleted list.\n\t\teditor.commands.add( 'numberedList', new ListCommand( editor, 'numbered' ) );\n\t\teditor.commands.add( 'bulletedList', new ListCommand( editor, 'bulleted' ) );\n\n\t\t// Register commands for indenting.\n\t\teditor.commands.add( 'indentList', new IndentCommand( editor, 'forward' ) );\n\t\teditor.commands.add( 'outdentList', new IndentCommand( editor, 'backward' ) );\n\n\t\tconst viewDocument = editing.view.document;\n\n\t\t// Overwrite default Enter key behavior.\n\t\t// If Enter key is pressed with selection collapsed in empty list item, outdent it instead of breaking it.\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tconst doc = this.editor.model.document;\n\t\t\tconst positionParent = doc.selection.getLastPosition().parent;\n\n\t\t\tif ( doc.selection.isCollapsed && positionParent.name == 'listItem' && positionParent.isEmpty ) {\n\t\t\t\tthis.editor.execute( 'outdentList' );\n\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t} );\n\n\t\t// Overwrite default Backspace key behavior.\n\t\t// If Backspace key is pressed with selection collapsed on first position in first list item, outdent it. #83\n\t\t//\n\t\t// Priority high + 10 to override widget and blockquote feature listener.\n\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\t// Check conditions from those that require less computations like those immediately available.\n\t\t\tif ( data.direction !== 'backward' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst selection = this.editor.model.document.selection;\n\n\t\t\tif ( !selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst firstPosition = selection.getFirstPosition();\n\n\t\t\tif ( !firstPosition.isAtStart ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst positionParent = firstPosition.parent;\n\n\t\t\tif ( positionParent.name !== 'listItem' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst previousIsAListItem = positionParent.previousSibling && positionParent.previousSibling.name === 'listItem';\n\n\t\t\tif ( previousIsAListItem ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis.editor.execute( 'outdentList' );\n\n\t\t\tdata.preventDefault();\n\t\t\tevt.stop();\n\t\t}, { priority: priorities.high + 10 } );\n\n\t\tconst getCommandExecuter = commandName => {\n\t\t\treturn ( data, cancel ) => {\n\t\t\t\tconst command = this.editor.commands.get( commandName );\n\n\t\t\t\tif ( command.isEnabled ) {\n\t\t\t\t\tthis.editor.execute( commandName );\n\t\t\t\t\tcancel();\n\t\t\t\t}\n\t\t\t};\n\t\t};\n\n\t\teditor.keystrokes.set( 'Tab', getCommandExecuter( 'indentList' ) );\n\t\teditor.keystrokes.set( 'Shift+Tab', getCommandExecuter( 'outdentList' ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst commands = this.editor.commands;\n\n\t\tconst indent = commands.get( 'indent' );\n\t\tconst outdent = commands.get( 'outdent' );\n\n\t\tif ( indent ) {\n\t\t\tindent.registerChildCommand( commands.get( 'indentList' ) );\n\t\t}\n\n\t\tif ( outdent ) {\n\t\t\toutdent.registerChildCommand( commands.get( 'outdentList' ) );\n\t\t}\n\t}\n}\n\nfunction getViewListItemLength( element ) {\n\tlet length = 1;\n\n\tfor ( const child of element.getChildren() ) {\n\t\tif ( child.name == 'ul' || child.name == 'ol' ) {\n\t\t\tfor ( const item of child.getChildren() ) {\n\t\t\t\tlength += getViewListItemLength( item );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn length;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/listui\n */\n\nimport { createUIComponent } from './utils';\n\nimport numberedListIcon from '../theme/icons/numberedlist.svg';\nimport bulletedListIcon from '../theme/icons/bulletedlist.svg';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * The list UI feature. It introduces the `'numberedList'` and `'bulletedList'` buttons that\n * allow to convert paragraphs to and from list items and indent or outdent them.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ListUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst t = this.editor.t;\n\n\t\t// Create two buttons and link them with numberedList and bulletedList commands.\n\t\tcreateUIComponent( this.editor, 'numberedList', t( 'Numbered List' ), numberedListIcon );\n\t\tcreateUIComponent( this.editor, 'bulletedList', t( 'Bulleted List' ), bulletedListIcon );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z\\\"/></svg>\";","import ViewPosition from '@ckeditor/ckeditor5-engine/src/view/position';\nimport {toWidget, isWidget} from '@ckeditor/ckeditor5-widget/src/utils';\nimport {setContent} from './widget';\n\nconst codeBlockSymbol = Symbol( 'isOPCodeBlock' );\n\nexport function toCodeBlockWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( codeBlockSymbol, true, viewElement );\n\treturn toWidget( viewElement, writer, { label: label } );\n}\n\n\nexport function isCodeBlockWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( codeBlockSymbol ) && isWidget( viewElement );\n}\n\n\nexport function isCodeBlockWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isCodeBlockWidget( viewElement ) );\n}\n\nexport function createCodeBlockWidget( modelElement, writer, label ) {\n\tconst container = writer.createContainerElement(\n\t\t'pre',\n\t\t{\n\t\t\ttitle: window.I18n.t('js.editor.macro.toolbar_help')\n\t\t}\n\t);\n\trenderCodeBlockContent( writer, modelElement, container );\n\n\treturn toCodeBlockWidget( container, writer, label );\n}\n\nexport function renderCodeBlockContent( writer, modelElement, container ) {\n\t// Append language element\n\tconst languageClass = modelElement.getAttribute( 'opCodeblockLanguage' ) || 'language-text';\n\tconst language = languageClass.replace(/^language-/, '');\n\tconst langElement = writer.createContainerElement( 'div', { class: 'op-uc-code-block--language' } );\n\tsetTextNode( writer, language, langElement, 'text' );\n\twriter.insert( writer.createPositionAt( container, 0 ), langElement );\n\n\t// Append code block content\n\tconst content = modelElement.getAttribute( 'opCodeblockContent' );\n\tsetTextNode( writer, content, container, '(empty)' );\n}\n\nexport function setTextNode( writer, content, container, empty_text ) {\n    const placeholder = writer.createText( content || empty_text );\n    writer.insert( writer.createPositionAt( container, 0 ), placeholder );\n}\n","import DomEventObserver from \"@ckeditor/ckeditor5-engine/src/view/observer/domeventobserver\";\n\nexport default class DoubleClickObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = 'dblclick';\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n","import icon from '../../icons/code-block.svg';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport {modelCodeBlockToView, viewCodeBlockToModel, codeBlockContentToView} from './converters';\nimport {createCodeBlockWidget, isCodeBlockWidget} from './widget';\nimport DoubleClickObserver from './click-observer';\nimport { getPluginContext } from '../op-context/op-context';\n\nexport default class CodeBlockEditing extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'CodeBlockEditing';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Configure schema.\n\t\tschema.register('codeblock', {\n\t\t\tisObject: true,\n\t\t\tisBlock: true,\n\t\t\tallowContentOf: '$block',\n\t\t\tallowWhere: ['$root', '$block'],\n\t\t\tallowIn: ['$root'],\n\t\t\tallowAttributes: ['opCodeblockLanguage', 'opCodeblockContent']\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.add(viewCodeBlockToModel());\n\n\t\tconversion.for( 'editingDowncast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'codeblock',\n\t\t\t\tview: (modelElement, {writer:viewWriter}) => {\n\t\t\t\t\treturn createCodeBlockWidget( modelElement, viewWriter, 'Code block' );\n\t\t\t\t}\n\t\t\t} )\n\t\t\t.add ( codeBlockContentToView() );\n\n\t\tconversion\n\t\t\t.for('dataDowncast')\n\t\t\t.add(modelCodeBlockToView());\n\n\t\t// Register click handler to code block to edit it immediately\n\t\tview.addObserver( DoubleClickObserver );\n\t\tthis.listenTo( viewDocument, 'dblclick', ( eventInfo, domEventData ) => {\n\t\t\tlet element = domEventData.target;\n\t\t\tlet evt = domEventData.domEvent;\n\n\t\t\t// Avoid opening the widget with modifiers selected to allow selecting the widget\n\t\t\tif (evt.shiftKey || evt.altKey || evt.metaKey) {\n\t\t\t\treturn;\n\t\t\t}\n\n\n\t\t\t// If target is our widget\n\t\t\tif ( !isCodeBlockWidget( element ) ) {\n\t\t\t\telement = element.findAncestor( isCodeBlockWidget );\n\n\t\t\t\tif ( !element ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tdomEventData.preventDefault();\n\t\t\tdomEventData.stopPropagation();\n\n\t\t\t// Create model selection over widget.\n\t\t\tconst modelElement = editor.editing.mapper.toModelElement( element );\n\n\t\t\tconst macroService = pluginContext.services.macros;\n\t\t\tconst language = modelElement.getAttribute( 'opCodeblockLanguage' );\n\t\t\tconst content = modelElement.getAttribute( 'opCodeblockContent' );\n\n\t\t\tmacroService\n\t\t\t\t.editCodeBlock( content, language )\n\t\t\t\t.then((update) => editor.model.change(writer => {\n\t\t\t\t\twriter.setAttribute( 'opCodeblockLanguage', update.languageClass, modelElement );\n\t\t\t\t\twriter.setAttribute( 'opCodeblockContent', update.content, modelElement );\n\t\t\t\t})\n\t\t\t);\n\n\t\t} );\n\n\t\t// Register toolbar button to create code block\n\t\teditor.ui.componentFactory.add( 'insertCodeBlock', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: window.I18n.t('js.editor.macro.code_block.button'),\n\t\t\t\ticon: icon,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\tpluginContext.services.macros\n\t\t\t\t\t.editCodeBlock()\n\t\t\t\t\t.then((update) => editor.model.change(writer => {\n\n\t\t\t\t\t\tconst element = writer.createElement( 'codeblock' );\n\t\t\t\t\t\twriter.setAttribute( 'opCodeblockLanguage', update.languageClass, element );\n\t\t\t\t\t\twriter.setAttribute( 'opCodeblockContent', update.content, element );\n\t\t\t\t\t\teditor.model.insertContent( element, editor.model.document.selection );\n\t\t\t\t\t})\n\t\t\t\t);\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","import ModelPosition from '@ckeditor/ckeditor5-engine/src/model/position';\nimport ModelRange from '@ckeditor/ckeditor5-engine/src/model/range';\nimport ViewPosition from '@ckeditor/ckeditor5-engine/src/view/position';\nimport ViewRange from '@ckeditor/ckeditor5-engine/src/view/range';\nimport {renderCodeBlockContent} from './widget';\n\n\nexport function modelCodeBlockToView() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'insert:codeblock', converter, { priority: 'high' } );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\tconst codeBlock = data.item;\n\t\tconst language = codeBlock.getAttribute('opCodeblockLanguage') || 'language-text';\n\t\tconst content = codeBlock.getAttribute('opCodeblockContent');\n\n\t\t// Consume the codeblock and text\n\t\tconversionApi.consumable.consume( codeBlock, 'insert' );\n\n\t\t// Wrap the element in a <pre> <code> block\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst preElement = viewWriter.createContainerElement( 'pre' );\n\t\tconst langElement = viewWriter.createContainerElement( 'div', { class: 'op-uc-code-block--language' } );\n\t\tconst codeElement = viewWriter.createContainerElement( 'code', { class: language } );\n\t\tconst langContent = viewWriter.createText( language );\n\t\tconst contentElement = viewWriter.createText( content );\n\n\t\tviewWriter.insert( viewWriter.createPositionAt( codeElement, 0 ), contentElement );\n\t\tviewWriter.insert( viewWriter.createPositionAt( langElement, 0 ), langContent );\n\t\tviewWriter.insert( viewWriter.createPositionAt( preElement, 0 ), langElement );\n\t\tviewWriter.insert( viewWriter.createPositionAt( preElement, 0 ), codeElement );\n\n\t\tconversionApi.mapper.bindElements( codeBlock, codeElement );\n\t\tconversionApi.mapper.bindElements( codeBlock, preElement );\n\n\t\t// Insert at matching position\n\t\tconst insertPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\t\tviewWriter.insert( insertPosition, preElement );\n\n\t\tevt.stop();\n\t}\n}\n\nexport function viewCodeBlockToModel() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:pre', converter, { priority: 'high' } );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\t// Do not convert if this is not an \"image figure\".\n\t\tif ( !conversionApi.consumable.test( data.viewItem, { name: true } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Find an code element inside the pre element.\n\t\tconst codeBlock = Array.from( data.viewItem.getChildren() ).find( viewChild => viewChild.is('element', 'code'));\n\n\t\t// Do not convert if code block is absent\n\t\tif ( !codeBlock || !conversionApi.consumable.consume( codeBlock, { name: true } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Create the model element\n\t\tconst modelCodeBlock = conversionApi.writer.createElement( 'codeblock' );\n\t\tconversionApi.writer.setAttribute( 'opCodeblockLanguage', codeBlock.getAttribute('class'), modelCodeBlock );\n\n\t\t// Find allowed parent for paragraph that we are going to insert. If current parent does not allow\n\t\t// to insert paragraph but one of the ancestors does then split nodes to allowed parent.\n\t\tconst splitResult = conversionApi.splitToAllowedParent( modelCodeBlock, data.modelCursor );\n\n\t\t// When there is no split result it means that we can't insert paragraph in this position.\n\t\tif ( splitResult ) {\n\t\t\t// Insert codeblock in allowed position.\n\t\t\tconversionApi.writer.insert( modelCodeBlock, splitResult.position );\n\n\t\t\t// Convert text child of codeblock\n\t\t\tconst child = codeBlock.getChild(0);\n\t\t\tconversionApi.consumable.consume( child, { name: true } );\n\t\t\t// Replace last newline since that text is incorrectly mapped\n\t\t\t// Regression OP#28609\n\t\t\tconst content = child.data.replace(/\\n$/, \"\");\n\t\t\tconversionApi.writer.setAttribute( 'opCodeblockContent', content, modelCodeBlock );\n\n\t\t\t// Set as conversion result, attribute converters may use this property.\n\t\t\tdata.modelRange = new ModelRange(\n\t\t\t\tconversionApi.writer.createPositionBefore( modelCodeBlock ),\n\t\t\t\tconversionApi.writer.createPositionAfter( modelCodeBlock )\n\t\t\t);\n\n\t\t\t// Convert after pre element\n\t\t\tdata.modelCursor = data.modelRange.end;\n\t\t}\n\t}\n}\n\n\nexport function codeBlockContentToView() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'attribute:opCodeblockContent', converter );\n\t\tdispatcher.on( 'attribute:opCodeblockLanguage', converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n        const modelElement = data.item;\n\n        // Mark element as consumed by conversion.\n        conversionApi.consumable.consume( data.item, evt.name );\n\n        // Get mapped view element to update.\n        const viewElement = conversionApi.mapper.toViewElement( modelElement );\n\n        // Remove current <div> element contents.\n        conversionApi.writer.remove( conversionApi.writer.createRangeOn( viewElement.getChild( 1 ) ) );\n        conversionApi.writer.remove( conversionApi.writer.createRangeOn( viewElement.getChild( 0 ) ) );\n\n\t\t// Set current content\n\t\trenderCodeBlockContent( conversionApi.writer, modelElement, viewElement );\n\t}\n}\n","export default \"<?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\"?>\\n<svg\\n   xmlns:dc=\\\"http://purl.org/dc/elements/1.1/\\\"\\n   xmlns:cc=\\\"http://creativecommons.org/ns#\\\"\\n   xmlns:rdf=\\\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\\\"\\n   xmlns:svg=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns:sodipodi=\\\"http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd\\\"\\n   xmlns:inkscape=\\\"http://www.inkscape.org/namespaces/inkscape\\\"\\n   class=\\\"ck ck-icon ck-button__icon\\\"\\n   viewBox=\\\"0 0 20 20\\\"\\n   version=\\\"1.1\\\"\\n   id=\\\"svg10\\\"\\n   sodipodi:docname=\\\"code-block.svg\\\"\\n   inkscape:version=\\\"0.92.3 (2405546, 2018-03-11)\\\">\\n  <defs\\n     id=\\\"defs14\\\" />\\n  <sodipodi:namedview\\n     pagecolor=\\\"#ffffff\\\"\\n     bordercolor=\\\"#666666\\\"\\n     borderopacity=\\\"1\\\"\\n     objecttolerance=\\\"10\\\"\\n     gridtolerance=\\\"10\\\"\\n     guidetolerance=\\\"10\\\"\\n     inkscape:pageopacity=\\\"0\\\"\\n     inkscape:pageshadow=\\\"2\\\"\\n     inkscape:window-width=\\\"640\\\"\\n     inkscape:window-height=\\\"480\\\"\\n     id=\\\"namedview12\\\"\\n     showgrid=\\\"false\\\"\\n     inkscape:zoom=\\\"33.37544\\\"\\n     inkscape:cx=\\\"10.656564\\\"\\n     inkscape:cy=\\\"13.670445\\\"\\n     inkscape:current-layer=\\\"svg10\\\" />\\n  <g\\n     id=\\\"g8\\\"\\n     style=\\\"fill:none;fill-rule:evenodd\\\"\\n     transform=\\\"matrix(0.8751128,0,0,0.8751128,1.3360704,0.91121972)\\\">\\n    <g\\n       id=\\\"g6\\\"\\n       style=\\\"fill:#353535\\\">\\n      <g\\n         transform=\\\"translate(2,5.6)\\\"\\n         id=\\\"g4\\\">\\n        <path\\n           d=\\\"M 10.5,0.1 15.7,4 v 1.3 l -5.6,4 C 10,9.5 9.8,9.5 9.6,9.5 9.3,9.4 9,8.8 9,8.5 L 9.3,8.1 14,4.6 9.5,1.4 9.3,1.2 C 9.2,0.9 9.2,0.6 9.3,0.4 9.5,0.2 9.8,0 10.1,0 a 0.8,0.8 0 0 1 0.4,0.1 z M 5.3,0.1 0,4 v 1.3 l 5.6,4 C 5.7,9.5 5.9,9.5 6.1,9.5 6.4,9.4 6.8,8.8 6.7,8.5 6.7,8.4 6.7,8.2 6.5,8.1 L 1.5,4.6 6.2,1.4 6.4,1.2 C 6.5,0.9 6.5,0.6 6.4,0.4 6.2,0.2 5.9,0 5.6,0 A 0.8,0.8 0 0 0 5.3,0.1 Z\\\"\\n           id=\\\"path2\\\"\\n           inkscape:connector-curvature=\\\"0\\\" />\\n      </g>\\n    </g>\\n  </g>\\n  <path\\n     style=\\\"color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;text-orientation:mixed;dominant-baseline:auto;baseline-shift:baseline;text-anchor:start;white-space:normal;shape-padding:0;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;vector-effect:none;fill:#353535;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1.09228408;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate\\\"\\n     d=\\\"M 0.22004104,0.22004104 V 0.76600468 19.779959 H 19.779959 V 0.22004104 Z M 1.3119682,1.3119682 H 18.688032 V 18.688032 H 1.3119682 Z\\\"\\n     id=\\\"rect3722\\\"\\n     inkscape:connector-curvature=\\\"0\\\" />\\n  <metadata\\n     id=\\\"metadata4596\\\">\\n    <rdf:RDF>\\n      <cc:Work\\n         rdf:about=\\\"\\\">\\n        <dc:title></dc:title>\\n        <dc:format>image/svg+xml</dc:format>\\n        <dc:type\\n           rdf:resource=\\\"http://purl.org/dc/dcmitype/StillImage\\\" />\\n      </cc:Work>\\n    </rdf:RDF>\\n  </metadata>\\n</svg>\\n\";","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport {createToolbarEditButton} from '../../helpers/create-toolbar-edit-button';\nimport {createEditToolbar} from '../../helpers/create-toolbar';\nimport {isCodeBlockWidgetSelected} from './widget';\nimport {getPluginContext} from '../op-context/op-context';\n\nexport default class CodeBlockToolbar extends Plugin {\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'CodeBlockToolbar';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Add editing button\n\t\tcreateToolbarEditButton( editor, 'opEditCodeBlock', widget => {\n\t\t\tconst macroService = pluginContext.services.macros;\n\t\t\tconst language = widget.getAttribute( 'opCodeblockLanguage' );\n\t\t\tconst content = widget.getAttribute( 'opCodeblockContent' );\n\n\t\t\tmacroService\n\t\t\t\t.editCodeBlock( content, language )\n\t\t\t\t.then((update) => model.change(writer => {\n\t\t\t\t\twriter.setAttribute( 'opCodeblockLanguage', update.languageClass, widget );\n\t\t\t\t\twriter.setAttribute( 'opCodeblockContent', update.content, widget );\n\t\t\t\t})\n\t\t\t);\n\t\t} );\n\t}\n\n\tafterInit() {\n\t\t// Add actual toolbar\n\t\tcreateEditToolbar(\n\t\t\tthis,\n\t\t\tthis.editor,\n\t\t\t'OPCodeBlock',\n\t\t\tisCodeBlockWidgetSelected\n\t\t);\n\t}\n}\n","import FileDialogButtonView from '@ckeditor/ckeditor5-upload/src/ui/filedialogbuttonview';\n\nexport function getToolbarItems(editor) {\n\teditor.__currentlyDisabled = editor.__currentlyDisabled || [];\n\n\tif (!editor.ui.view.toolbar) {\n\t\treturn [];\n\t}\n\n\treturn editor.ui.view.toolbar.items._items;\n}\n\nexport function disableItems(editor, except) {\n\tjQuery.each(getToolbarItems(editor), function(index, item) {\n\t\tlet toDisable = item;\n\n\t\tif (item instanceof FileDialogButtonView) {\n\t\t\ttoDisable = item.buttonView;\n\t\t} else if (item === except || !item.hasOwnProperty('isEnabled')) {\n\t\t\ttoDisable = null;\n\t\t}\n\n\t\tif (!toDisable) {\n\t\t\t// do nothing\n\t\t} else if (toDisable.isEnabled) {\n\t\t\ttoDisable.isEnabled = false;\n\t\t} else {\n\t\t\teditor.__currentlyDisabled.push(toDisable);\n\t\t}\n\t});\n}\n\nexport function enableItems(editor) {\n\tjQuery.each(getToolbarItems(editor), function(index, item) {\n\t\tlet toEnable = item;\n\n\t\tif (item instanceof FileDialogButtonView) {\n\t\t\ttoEnable = item.buttonView;\n\t\t}\n\n\t\tif (editor.__currentlyDisabled.indexOf(toEnable) < 0) {\n\t\t\ttoEnable.isEnabled = true\n\t\t}\n\t});\n\n\teditor.__currentlyDisabled = [];\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/common\n */\n\n/**\n * A common method to update the numeric value. If a value is the default one, it will be unset.\n *\n * @param {String} key An attribute key.\n * @param {*} value The new attribute value.\n * @param {module:engine/model/item~Item} item A model item on which the attribute will be set.\n * @param {module:engine/model/writer~Writer} writer\n * @param {*} defaultValue The default attribute value. If a value is lower or equal, it will be unset.\n */\nexport function updateNumericAttribute( key, value, item, writer, defaultValue = 1 ) {\n\tif ( value > defaultValue ) {\n\t\twriter.setAttribute( key, value, item );\n\t} else {\n\t\twriter.removeAttribute( key, item );\n\t}\n}\n\n/**\n * A common method to create an empty table cell. It creates a proper model structure as a table cell must have at least one block inside.\n *\n * @param {module:engine/model/writer~Writer} writer The model writer.\n * @param {module:engine/model/position~Position} insertPosition The position at which the table cell should be inserted.\n * @param {Object} attributes The element attributes.\n * @returns {module:engine/model/element~Element} Created table cell.\n */\nexport function createEmptyTableCell( writer, insertPosition, attributes = {} ) {\n\tconst tableCell = writer.createElement( 'tableCell', attributes );\n\n\twriter.insertElement( 'paragraph', tableCell );\n\twriter.insert( tableCell, insertPosition );\n\n\treturn tableCell;\n}\n\n/**\n * Checks if a table cell belongs to the heading column section.\n *\n * @param {module:table/tableutils~TableUtils} tableUtils\n * @param {module:engine/model/element~Element} tableCell\n * @returns {Boolean}\n */\nexport function isHeadingColumnCell( tableUtils, tableCell ) {\n\tconst table = tableCell.parent.parent;\n\tconst headingColumns = parseInt( table.getAttribute( 'headingColumns' ) || 0 );\n\tconst { column } = tableUtils.getCellLocation( tableCell );\n\n\treturn !!headingColumns && column < headingColumns;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/upcasttable\n */\n\nimport { createEmptyTableCell } from '../utils/common';\n\n/**\n * View table element to model table element conversion helper.\n *\n * This conversion helper converts the table element as well as table rows.\n *\n * @returns {Function} Conversion helper.\n */\nexport default function upcastTable() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:table', ( evt, data, conversionApi ) => {\n\t\t\tconst viewTable = data.viewItem;\n\n\t\t\t// When element was already consumed then skip it.\n\t\t\tif ( !conversionApi.consumable.test( viewTable, { name: true } ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst { rows, headingRows, headingColumns } = scanTable( viewTable );\n\n\t\t\t// Only set attributes if values is greater then 0.\n\t\t\tconst attributes = {};\n\n\t\t\tif ( headingColumns ) {\n\t\t\t\tattributes.headingColumns = headingColumns;\n\t\t\t}\n\n\t\t\tif ( headingRows ) {\n\t\t\t\tattributes.headingRows = headingRows;\n\t\t\t}\n\n\t\t\tconst table = conversionApi.writer.createElement( 'table', attributes );\n\n\t\t\tif ( !conversionApi.safeInsert( table, data.modelCursor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconversionApi.consumable.consume( viewTable, { name: true } );\n\n\t\t\t// Upcast table rows in proper order (heading rows first).\n\t\t\trows.forEach( row => conversionApi.convertItem( row, conversionApi.writer.createPositionAt( table, 'end' ) ) );\n\n\t\t\t// Create one row and one table cell for empty table.\n\t\t\tif ( table.isEmpty ) {\n\t\t\t\tconst row = conversionApi.writer.createElement( 'tableRow' );\n\t\t\t\tconversionApi.writer.insert( row, conversionApi.writer.createPositionAt( table, 'end' ) );\n\n\t\t\t\tcreateEmptyTableCell( conversionApi.writer, conversionApi.writer.createPositionAt( row, 'end' ) );\n\t\t\t}\n\n\t\t\tconversionApi.updateConversionResult( table, data );\n\t\t} );\n\t};\n}\n\n/**\n * A conversion helper that skips empty <tr> elements from upcasting at the beginning of the table.\n *\n * An empty row is considered a table model error but when handling clipboard data there could be rows that contain only row-spanned cells\n * and empty TR-s are used to maintain the table structure (also {@link module:table/tablewalker~TableWalker} assumes that there are only\n * rows that have related `tableRow` elements).\n *\n * *Note:* Only the first empty rows are removed because they have no meaning and it solves the issue\n * of an improper table with all empty rows.\n *\n * @returns {Function} Conversion helper.\n */\nexport function skipEmptyTableRow() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:tr', ( evt, data ) => {\n\t\t\tif ( data.viewItem.isEmpty && data.modelCursor.index == 0 ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t};\n}\n\n// Scans table rows and extracts required metadata from the table:\n//\n// headingRows    - The number of rows that go as table headers.\n// headingColumns - The maximum number of row headings.\n// rows           - Sorted `<tr>` elements as they should go into the model - ie. if `<thead>` is inserted after `<tbody>` in the view.\n//\n// @param {module:engine/view/element~Element} viewTable\n// @returns {{headingRows, headingColumns, rows}}\nfunction scanTable( viewTable ) {\n\tconst tableMeta = {\n\t\theadingRows: 0,\n\t\theadingColumns: 0\n\t};\n\n\t// The `<tbody>` and `<thead>` sections in the DOM do not have to be in order `<thead>` -> `<tbody>` and there might be more than one\n\t// of them.\n\t// As the model does not have these sections, rows from different sections must be sorted.\n\t// For example, below is a valid HTML table:\n\t//\n\t//\t\t<table>\n\t//\t\t\t<tbody><tr><td>2</td></tr></tbody>\n\t//\t\t\t<thead><tr><td>1</td></tr></thead>\n\t//\t\t\t<tbody><tr><td>3</td></tr></tbody>\n\t//\t\t</table>\n\t//\n\t// But browsers will render rows in order as: 1 as the heading and 2 and 3 as the body.\n\tconst headRows = [];\n\tconst bodyRows = [];\n\n\t// Currently the editor does not support more then one <thead> section.\n\t// Only the first <thead> from the view will be used as a heading row and the others will be converted to body rows.\n\tlet firstTheadElement;\n\n\tfor ( const tableChild of Array.from( viewTable.getChildren() ) ) {\n\t\t// Only `<thead>`, `<tbody>` & `<tfoot>` from allowed table children can have `<tr>`s.\n\t\t// The else is for future purposes (mainly `<caption>`).\n\t\tif ( tableChild.name === 'tbody' || tableChild.name === 'thead' || tableChild.name === 'tfoot' ) {\n\t\t\t// Save the first `<thead>` in the table as table header - all other ones will be converted to table body rows.\n\t\t\tif ( tableChild.name === 'thead' && !firstTheadElement ) {\n\t\t\t\tfirstTheadElement = tableChild;\n\t\t\t}\n\n\t\t\t// There might be some extra empty text nodes between the `<tr>`s.\n\t\t\t// Make sure further code operates on `tr`s only. (#145)\n\t\t\tconst trs = Array.from( tableChild.getChildren() ).filter( el => el.is( 'element', 'tr' ) );\n\n\t\t\tfor ( const tr of trs ) {\n\t\t\t\t// This <tr> is a child of a first <thead> element.\n\t\t\t\tif ( tr.parent.name === 'thead' && tr.parent === firstTheadElement ) {\n\t\t\t\t\ttableMeta.headingRows++;\n\t\t\t\t\theadRows.push( tr );\n\t\t\t\t} else {\n\t\t\t\t\tbodyRows.push( tr );\n\t\t\t\t\t// For other rows check how many column headings this row has.\n\n\t\t\t\t\tconst headingCols = scanRowForHeadingColumns( tr, tableMeta, firstTheadElement );\n\n\t\t\t\t\tif ( headingCols > tableMeta.headingColumns ) {\n\t\t\t\t\t\ttableMeta.headingColumns = headingCols;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\ttableMeta.rows = [ ...headRows, ...bodyRows ];\n\n\treturn tableMeta;\n}\n\n// Scans a `<tr>` element and its children for metadata:\n// - For heading row:\n//     - Adds this row to either the heading or the body rows.\n//     - Updates the number of heading rows.\n// - For body rows:\n//     - Calculates the number of column headings.\n//\n// @param {module:engine/view/element~Element} tr\n// @returns {Number}\nfunction scanRowForHeadingColumns( tr ) {\n\tlet headingColumns = 0;\n\tlet index = 0;\n\n\t// Filter out empty text nodes from tr children.\n\tconst children = Array.from( tr.getChildren() )\n\t\t.filter( child => child.name === 'th' || child.name === 'td' );\n\n\t// Count starting adjacent <th> elements of a <tr>.\n\twhile ( index < children.length && children[ index ].name === 'th' ) {\n\t\tconst th = children[ index ];\n\n\t\t// Adjust columns calculation by the number of spanned columns.\n\t\tconst colspan = parseInt( th.getAttribute( 'colspan' ) || 1 );\n\n\t\theadingColumns = headingColumns + colspan;\n\t\tindex++;\n\t}\n\n\treturn headingColumns;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablewalker\n */\n\n// @if CK_DEBUG // import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * The table iterator class. It allows to iterate over table cells. For each cell the iterator yields\n * {@link module:table/tablewalker~TableSlot} with proper table cell attributes.\n */\nexport default class TableWalker {\n\t/**\n\t * Creates an instance of the table walker.\n\t *\n\t * The table walker iterates internally by traversing the table from row index = 0 and column index = 0.\n\t * It walks row by row and column by column in order to output values defined in the constructor.\n\t * By default it will output only the locations that are occupied by a cell. To include also spanned rows and columns,\n\t * pass the `includeAllSlots` option to the constructor.\n\t *\n\t * The most important values of the iterator are column and row indexes of a cell.\n\t *\n\t * See {@link module:table/tablewalker~TableSlot} what values are returned by the table walker.\n\t *\n\t * To iterate over a given row:\n\t *\n\t *\t\tconst tableWalker = new TableWalker( table, { startRow: 1, endRow: 2 } );\n\t *\n\t *\t\tfor ( const tableSlot of tableWalker ) {\n\t *\t\t\tconsole.log( 'A cell at row', tableSlot.row, 'and column', tableSlot.column );\n\t *\t\t}\n\t *\n\t * For instance the code above for the following table:\n\t *\n\t *\t\t+----+----+----+----+----+----+\n\t *\t\t| 00      | 02 | 03 | 04 | 05 |\n\t *\t\t|         +----+----+----+----+\n\t *\t\t|         | 12      | 14 | 15 |\n\t *\t\t|         +----+----+----+    +\n\t *\t\t|         | 22           |    |\n\t *\t\t|----+----+----+----+----+    +\n\t *\t\t| 30 | 31 | 32 | 33 | 34 |    |\n\t *\t\t+----+----+----+----+----+----+\n\t *\n\t * will log in the console:\n\t *\n\t *\t\t'A cell at row 1 and column 2'\n\t *\t\t'A cell at row 1 and column 4'\n\t *\t\t'A cell at row 1 and column 5'\n\t *\t\t'A cell at row 2 and column 2'\n\t *\n\t * To also iterate over spanned cells:\n\t *\n\t *\t\tconst tableWalker = new TableWalker( table, { row: 1, includeAllSlots: true } );\n\t *\n\t *\t\tfor ( const tableSlot of tableWalker ) {\n\t *\t\t\tconsole.log( 'Slot at', tableSlot.row, 'x', tableSlot.column, ':', tableSlot.isAnchor ? 'is anchored' : 'is spanned' );\n\t *\t\t}\n\t *\n\t * will log in the console for the table from the previous example:\n\t *\n\t *\t\t'Cell at 1 x 0 : is spanned'\n\t *\t\t'Cell at 1 x 1 : is spanned'\n\t *\t\t'Cell at 1 x 2 : is anchored'\n\t *\t\t'Cell at 1 x 3 : is spanned'\n\t *\t\t'Cell at 1 x 4 : is anchored'\n\t *\t\t'Cell at 1 x 5 : is anchored'\n\t *\n\t * **Note**: Option `row` is a shortcut that sets both `startRow` and `endRow` to the same row.\n\t * (Use either `row` or `startRow` and `endRow` but never together). Similarly the `column` option sets both `startColumn`\n\t * and `endColumn` to the same column (Use either `column` or `startColumn` and `endColumn` but never together).\n\t *\n\t * @constructor\n\t * @param {module:engine/model/element~Element} table A table over which the walker iterates.\n\t * @param {Object} [options={}] An object with configuration.\n\t * @param {Number} [options.row] A row index for which this iterator will output cells.\n\t * Can't be used together with `startRow` and `endRow`.\n\t * @param {Number} [options.startRow=0] A row index from which this iterator should start. Can't be used together with `row`.\n\t * @param {Number} [options.endRow] A row index at which this iterator should end. Can't be used together with `row`.\n\t * @param {Number} [options.column] A column index for which this iterator will output cells.\n\t * Can't be used together with `startColumn` and `endColumn`.\n\t * @param {Number} [options.startColumn=0] A column index from which this iterator should start. Can't be used together with `column`.\n\t * @param {Number} [options.endColumn] A column index at which this iterator should end. Can't be used together with `column`.\n\t * @param {Boolean} [options.includeAllSlots=false] Also return values for spanned cells.\n\t */\n\tconstructor( table, options = {} ) {\n\t\t/**\n\t\t * The walker's table element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t * @protected\n\t\t */\n\t\tthis._table = table;\n\n\t\t/**\n\t\t * A row index from which this iterator will start.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._startRow = options.row !== undefined ? options.row : options.startRow || 0;\n\n\t\t/**\n\t\t * A row index at which this iterator will end.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._endRow = options.row !== undefined ? options.row : options.endRow;\n\n\t\t/**\n\t\t * If set, the table walker will only output cells from a given column and following ones or cells that overlap them.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._startColumn = options.column !== undefined ? options.column : options.startColumn || 0;\n\n\t\t/**\n\t\t * If set, the table walker will only output cells up to a given column.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._endColumn = options.column !== undefined ? options.column : options.endColumn;\n\n\t\t/**\n\t\t * Enables output of spanned cells that are normally not yielded.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t * @private\n\t\t */\n\t\tthis._includeAllSlots = !!options.includeAllSlots;\n\n\t\t/**\n\t\t * Row indexes to skip from the iteration.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set<Number>}\n\t\t * @private\n\t\t */\n\t\tthis._skipRows = new Set();\n\n\t\t/**\n\t\t * The current row index.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._row = 0;\n\n\t\t/**\n\t\t * The current column index.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._column = 0;\n\n\t\t/**\n\t\t * The cell index in a parent row. For spanned cells when {@link #_includeAllSlots} is set to `true`,\n\t\t * this represents the index of the next table cell.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._cellIndex = 0;\n\n\t\t/**\n\t\t * Holds a map of spanned cells in a table.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Map.<Number, Map.<Number, Object>>}\n\t\t * @private\n\t\t */\n\t\tthis._spannedCells = new Map();\n\n\t\t/**\n\t\t * Index of the next column where a cell is anchored.\n\t\t *\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._nextCellAtColumn = -1;\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<module:table/tablewalker~TableSlot>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Gets the next table walker's value.\n\t *\n\t * @returns {module:table/tablewalker~TableSlot} The next table walker's value.\n\t */\n\tnext() {\n\t\tconst row = this._table.getChild( this._row );\n\n\t\t// Iterator is done when there's no row (table ended) or the row is after `endRow` limit.\n\t\tif ( !row || this._isOverEndRow() ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\tif ( this._isOverEndColumn() ) {\n\t\t\treturn this._advanceToNextRow();\n\t\t}\n\n\t\tlet outValue = null;\n\n\t\tconst spanData = this._getSpanned();\n\n\t\tif ( spanData ) {\n\t\t\tif ( this._includeAllSlots && !this._shouldSkipSlot() ) {\n\t\t\t\toutValue = this._formatOutValue( spanData.cell, spanData.row, spanData.column );\n\t\t\t}\n\t\t} else {\n\t\t\tconst cell = row.getChild( this._cellIndex );\n\n\t\t\tif ( !cell ) {\n\t\t\t\t// If there are no more cells left in row advance to the next row.\n\t\t\t\treturn this._advanceToNextRow();\n\t\t\t}\n\n\t\t\tconst colspan = parseInt( cell.getAttribute( 'colspan' ) || 1 );\n\t\t\tconst rowspan = parseInt( cell.getAttribute( 'rowspan' ) || 1 );\n\n\t\t\t// Record this cell spans if it's not 1x1 cell.\n\t\t\tif ( colspan > 1 || rowspan > 1 ) {\n\t\t\t\tthis._recordSpans( cell, rowspan, colspan );\n\t\t\t}\n\n\t\t\tif ( !this._shouldSkipSlot() ) {\n\t\t\t\toutValue = this._formatOutValue( cell );\n\t\t\t}\n\n\t\t\tthis._nextCellAtColumn = this._column + colspan;\n\t\t}\n\n\t\t// Advance to the next column before returning value.\n\t\tthis._column++;\n\n\t\tif ( this._column == this._nextCellAtColumn ) {\n\t\t\tthis._cellIndex++;\n\t\t}\n\n\t\t// The current value will be returned only if current row and column are not skipped.\n\t\treturn outValue || this.next();\n\t}\n\n\t/**\n\t * Marks a row to skip in the next iteration. It will also skip cells from the current row if there are any cells from the current row\n\t * to output.\n\t *\n\t * @param {Number} row The row index to skip.\n\t */\n\tskipRow( row ) {\n\t\tthis._skipRows.add( row );\n\t}\n\n\t/**\n\t * Advances internal cursor to the next row.\n\t *\n\t * @private\n\t * @returns {module:table/tablewalker~TableSlot}\n\t */\n\t_advanceToNextRow() {\n\t\tthis._row++;\n\t\tthis._column = 0;\n\t\tthis._cellIndex = 0;\n\t\tthis._nextCellAtColumn = -1;\n\n\t\treturn this.next();\n\t}\n\n\t/**\n\t * Checks if the current row is over {@link #_endRow}.\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_isOverEndRow() {\n\t\t// If #_endRow is defined skip all rows after it.\n\t\treturn this._endRow !== undefined && this._row > this._endRow;\n\t}\n\n\t/**\n\t * Checks if the current cell is over {@link #_endColumn}\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_isOverEndColumn() {\n\t\t// If #_endColumn is defined skip all cells after it.\n\t\treturn this._endColumn !== undefined && this._column > this._endColumn;\n\t}\n\n\t/**\n\t * A common method for formatting the iterator's output value.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} cell The table cell to output.\n\t * @param {Number} [anchorRow] The row index of a cell anchor slot.\n\t * @param {Number} [anchorColumn] The column index of a cell anchor slot.\n\t * @returns {{done: Boolean, value: {cell: *, row: Number, column: *, rowspan: *, colspan: *, cellIndex: Number}}}\n\t */\n\t_formatOutValue( cell, anchorRow = this._row, anchorColumn = this._column ) {\n\t\treturn {\n\t\t\tdone: false,\n\t\t\tvalue: new TableSlot( this, cell, anchorRow, anchorColumn )\n\t\t};\n\t}\n\n\t/**\n\t * Checks if the current slot should be skipped.\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_shouldSkipSlot() {\n\t\tconst rowIsMarkedAsSkipped = this._skipRows.has( this._row );\n\t\tconst rowIsBeforeStartRow = this._row < this._startRow;\n\n\t\tconst columnIsBeforeStartColumn = this._column < this._startColumn;\n\t\tconst columnIsAfterEndColumn = this._endColumn !== undefined && this._column > this._endColumn;\n\n\t\treturn rowIsMarkedAsSkipped || rowIsBeforeStartRow || columnIsBeforeStartColumn || columnIsAfterEndColumn;\n\t}\n\n\t/**\n\t * Returns the cell element that is spanned over the current cell location.\n\t *\n\t * @private\n\t * @returns {module:engine/model/element~Element}\n\t */\n\t_getSpanned() {\n\t\tconst rowMap = this._spannedCells.get( this._row );\n\n\t\t// No spans for given row.\n\t\tif ( !rowMap ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// If spans for given rows has entry for column it means that this location if spanned by other cell.\n\t\treturn rowMap.get( this._column ) || null;\n\t}\n\n\t/**\n\t * Updates spanned cells map relative to the current cell location and its span dimensions.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} cell A cell that is spanned.\n\t * @param {Number} rowspan Cell height.\n\t * @param {Number} colspan Cell width.\n\t */\n\t_recordSpans( cell, rowspan, colspan ) {\n\t\tconst data = {\n\t\t\tcell,\n\t\t\trow: this._row,\n\t\t\tcolumn: this._column\n\t\t};\n\n\t\tfor ( let rowToUpdate = this._row; rowToUpdate < this._row + rowspan; rowToUpdate++ ) {\n\t\t\tfor ( let columnToUpdate = this._column; columnToUpdate < this._column + colspan; columnToUpdate++ ) {\n\t\t\t\tif ( rowToUpdate != this._row || columnToUpdate != this._column ) {\n\t\t\t\t\tthis._markSpannedCell( rowToUpdate, columnToUpdate, data );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Marks the cell location as spanned by another cell.\n\t *\n\t * @private\n\t * @param {Number} row The row index of the cell location.\n\t * @param {Number} column The column index of the cell location.\n\t * @param {Object} data A spanned cell details (cell element, anchor row and column).\n\t */\n\t_markSpannedCell( row, column, data ) {\n\t\tif ( !this._spannedCells.has( row ) ) {\n\t\t\tthis._spannedCells.set( row, new Map() );\n\t\t}\n\n\t\tconst rowSpans = this._spannedCells.get( row );\n\n\t\trowSpans.set( column, data );\n\t}\n}\n\n/**\n * An object returned by {@link module:table/tablewalker~TableWalker} when traversing table cells.\n */\nclass TableSlot {\n\t/**\n\t * Creates an instance of the table walker value.\n\t *\n\t * @protected\n\t * @param {module:table/tablewalker~TableWalker} tableWalker The table walker instance.\n\t * @param {module:engine/model/element~Element} cell The current table cell.\n\t * @param {Number} anchorRow The row index of a cell anchor slot.\n\t * @param {Number} anchorColumn The column index of a cell anchor slot.\n\t */\n\tconstructor( tableWalker, cell, anchorRow, anchorColumn ) {\n\t\t/**\n\t\t * The current table cell.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t */\n\t\tthis.cell = cell;\n\n\t\t/**\n\t\t * The row index of a table slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.row = tableWalker._row;\n\n\t\t/**\n\t\t * The column index of a table slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.column = tableWalker._column;\n\n\t\t/**\n\t\t * The row index of a cell anchor slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.cellAnchorRow = anchorRow;\n\n\t\t/**\n\t\t * The column index of a cell anchor slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.cellAnchorColumn = anchorColumn;\n\n\t\t/**\n\t\t * The index of the current cell in the parent row.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._cellIndex = tableWalker._cellIndex;\n\n\t\t/**\n\t\t * The table element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t * @private\n\t\t */\n\t\tthis._table = tableWalker._table;\n\t}\n\n\t/**\n\t * Whether the cell is anchored in the current slot.\n\t *\n\t * @readonly\n\t * @returns {Boolean}\n\t */\n\tget isAnchor() {\n\t\treturn this.row === this.cellAnchorRow && this.column === this.cellAnchorColumn;\n\t}\n\n\t/**\n\t * The width of a cell defined by a `colspan` attribute. If the model attribute is not present, it is set to `1`.\n\t *\n\t * @readonly\n\t * @returns {Number}\n\t */\n\tget cellWidth() {\n\t\treturn parseInt( this.cell.getAttribute( 'colspan' ) || 1 );\n\t}\n\n\t/**\n\t * The height of a cell defined by a `rowspan` attribute. If the model attribute is not present, it is set to `1`.\n\t *\n\t * @readonly\n\t * @returns {Number}\n\t */\n\tget cellHeight() {\n\t\treturn parseInt( this.cell.getAttribute( 'rowspan' ) || 1 );\n\t}\n\n\t/**\n\t * Returns the {@link module:engine/model/position~Position} before the table slot.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetPositionBefore() {\n\t\tconst model = this._table.root.document.model;\n\n\t\treturn model.createPositionAt( this._table.getChild( this.row ), this._cellIndex );\n\t}\n\n\t// @if CK_DEBUG // get isSpanned() { throwMissingGetterError( 'isSpanned' ); }\n\t// @if CK_DEBUG // get colspan() { throwMissingGetterError( 'colspan' ); }\n\t// @if CK_DEBUG // get rowspan() { throwMissingGetterError( 'rowspan' ); }\n\t// @if CK_DEBUG // get cellIndex() { throwMissingGetterError( 'cellIndex' ); }\n}\n\n/**\n * This `TableSlot`'s getter (property) was removed in CKEditor 5 v20.0.0.\n *\n * Check out the new `TableWalker`'s API in the documentation.\n *\n * @error tableslot-getter-removed\n * @param {String} getterName\n */\n\n// @if CK_DEBUG // function throwMissingGetterError( getterName ) {\n// @if CK_DEBUG //\t\tthrow new CKEditorError( 'tableslot-getter-removed', this, {\n// @if CK_DEBUG //\t\t\tgetterName\n// @if CK_DEBUG //\t\t} );\n// @if CK_DEBUG // }\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/downcast\n */\n\nimport TableWalker from './../tablewalker';\nimport { setHighlightHandling, toWidget, toWidgetEditable } from '@ckeditor/ckeditor5-widget/src/utils';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\n/**\n * Model table element to view table element conversion helper.\n *\n * This conversion helper creates the whole table element with child elements.\n *\n * @param {Object} options\n * @param {Boolean} options.asWidget If set to `true`, the downcast conversion will produce a widget.\n * @returns {Function} Conversion helper.\n */\nexport function downcastInsertTable( options = {} ) {\n\treturn dispatcher => dispatcher.on( 'insert:table', ( evt, data, conversionApi ) => {\n\t\tconst table = data.item;\n\n\t\tif ( !conversionApi.consumable.consume( table, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Consume attributes if present to not fire attribute change downcast\n\t\tconversionApi.consumable.consume( table, 'attribute:headingRows:table' );\n\t\tconversionApi.consumable.consume( table, 'attribute:headingColumns:table' );\n\n\t\tconst asWidget = options && options.asWidget;\n\n\t\tconst figureElement = conversionApi.writer.createContainerElement( 'figure', { class: 'table' } );\n\t\tconst tableElement = conversionApi.writer.createContainerElement( 'table' );\n\t\tconversionApi.writer.insert( conversionApi.writer.createPositionAt( figureElement, 0 ), tableElement );\n\n\t\tlet tableWidget;\n\n\t\tif ( asWidget ) {\n\t\t\ttableWidget = toTableWidget( figureElement, conversionApi.writer );\n\t\t}\n\n\t\tconst tableWalker = new TableWalker( table );\n\n\t\tconst tableAttributes = {\n\t\t\theadingRows: table.getAttribute( 'headingRows' ) || 0,\n\t\t\theadingColumns: table.getAttribute( 'headingColumns' ) || 0\n\t\t};\n\n\t\t// Cache for created table rows.\n\t\tconst viewRows = new Map();\n\n\t\tfor ( const tableSlot of tableWalker ) {\n\t\t\tconst { row, cell } = tableSlot;\n\n\t\t\tconst tableRow = table.getChild( row );\n\t\t\tconst trElement = viewRows.get( row ) || createTr( tableElement, tableRow, row, tableAttributes, conversionApi );\n\t\t\tviewRows.set( row, trElement );\n\n\t\t\t// Consume table cell - it will be always consumed as we convert whole table at once.\n\t\t\tconversionApi.consumable.consume( cell, 'insert' );\n\n\t\t\tconst insertPosition = conversionApi.writer.createPositionAt( trElement, 'end' );\n\n\t\t\tcreateViewTableCellElement( tableSlot, tableAttributes, insertPosition, conversionApi, options );\n\t\t}\n\n\t\t// Insert empty TR elements if there are any rows without anchored cells. Since the model is always normalized\n\t\t// this can happen only in the document fragment that only part of the table is down-casted.\n\t\tfor ( const tableRow of table.getChildren() ) {\n\t\t\tconst rowIndex = tableRow.index;\n\n\t\t\tif ( !viewRows.has( rowIndex ) ) {\n\t\t\t\tviewRows.set( rowIndex, createTr( tableElement, tableRow, rowIndex, tableAttributes, conversionApi ) );\n\t\t\t}\n\t\t}\n\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\n\t\tconversionApi.mapper.bindElements( table, asWidget ? tableWidget : figureElement );\n\t\tconversionApi.writer.insert( viewPosition, asWidget ? tableWidget : figureElement );\n\t} );\n}\n\n/**\n * Model row element to view `<tr>` element conversion helper.\n *\n * This conversion helper creates the whole `<tr>` element with child elements.\n *\n * @returns {Function} Conversion helper.\n */\nexport function downcastInsertRow() {\n\treturn dispatcher => dispatcher.on( 'insert:tableRow', ( evt, data, conversionApi ) => {\n\t\tconst tableRow = data.item;\n\n\t\tif ( !conversionApi.consumable.consume( tableRow, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst table = tableRow.parent;\n\n\t\tconst figureElement = conversionApi.mapper.toViewElement( table );\n\t\tconst tableElement = getViewTable( figureElement );\n\n\t\tconst row = table.getChildIndex( tableRow );\n\n\t\tconst tableWalker = new TableWalker( table, { row } );\n\n\t\tconst tableAttributes = {\n\t\t\theadingRows: table.getAttribute( 'headingRows' ) || 0,\n\t\t\theadingColumns: table.getAttribute( 'headingColumns' ) || 0\n\t\t};\n\n\t\t// Cache for created table rows.\n\t\tconst viewRows = new Map();\n\n\t\tfor ( const tableSlot of tableWalker ) {\n\t\t\tconst trElement = viewRows.get( row ) || createTr( tableElement, tableRow, row, tableAttributes, conversionApi );\n\t\t\tviewRows.set( row, trElement );\n\n\t\t\t// Consume table cell - it will be always consumed as we convert whole row at once.\n\t\t\tconversionApi.consumable.consume( tableSlot.cell, 'insert' );\n\n\t\t\tconst insertPosition = conversionApi.writer.createPositionAt( trElement, 'end' );\n\n\t\t\tcreateViewTableCellElement( tableSlot, tableAttributes, insertPosition, conversionApi, { asWidget: true } );\n\t\t}\n\t} );\n}\n\n/**\n * Model table cell element to view `<td>` or `<th>` element conversion helper.\n *\n * This conversion helper will create proper `<th>` elements for table cells that are in the heading section (heading row or column)\n * and `<td>` otherwise.\n *\n * @returns {Function} Conversion helper.\n */\nexport function downcastInsertCell() {\n\treturn dispatcher => dispatcher.on( 'insert:tableCell', ( evt, data, conversionApi ) => {\n\t\tconst tableCell = data.item;\n\n\t\tif ( !conversionApi.consumable.consume( tableCell, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst tableRow = tableCell.parent;\n\t\tconst table = tableRow.parent;\n\t\tconst rowIndex = table.getChildIndex( tableRow );\n\n\t\tconst tableWalker = new TableWalker( table, { row: rowIndex } );\n\n\t\tconst tableAttributes = {\n\t\t\theadingRows: table.getAttribute( 'headingRows' ) || 0,\n\t\t\theadingColumns: table.getAttribute( 'headingColumns' ) || 0\n\t\t};\n\n\t\t// We need to iterate over a table in order to get proper row & column values from a walker\n\t\tfor ( const tableSlot of tableWalker ) {\n\t\t\tif ( tableSlot.cell === tableCell ) {\n\t\t\t\tconst trElement = conversionApi.mapper.toViewElement( tableRow );\n\t\t\t\tconst insertPosition = conversionApi.writer.createPositionAt( trElement, tableRow.getChildIndex( tableCell ) );\n\n\t\t\t\tcreateViewTableCellElement( tableSlot, tableAttributes, insertPosition, conversionApi, { asWidget: true } );\n\n\t\t\t\t// No need to iterate further.\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\t} );\n}\n\n/**\n * Conversion helper that acts on heading column table attribute change.\n *\n * Depending on changed attributes this converter will rename `<td` to `<th>` elements or vice versa depending on the cell column index.\n *\n * @returns {Function} Conversion helper.\n */\nexport function downcastTableHeadingColumnsChange() {\n\treturn dispatcher => dispatcher.on( 'attribute:headingColumns:table', ( evt, data, conversionApi ) => {\n\t\tconst table = data.item;\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst tableAttributes = {\n\t\t\theadingRows: table.getAttribute( 'headingRows' ) || 0,\n\t\t\theadingColumns: table.getAttribute( 'headingColumns' ) || 0\n\t\t};\n\n\t\tconst oldColumns = data.attributeOldValue;\n\t\tconst newColumns = data.attributeNewValue;\n\n\t\tconst lastColumnToCheck = ( oldColumns > newColumns ? oldColumns : newColumns ) - 1;\n\n\t\tfor ( const tableSlot of new TableWalker( table, { endColumn: lastColumnToCheck } ) ) {\n\t\t\trenameViewTableCellIfRequired( tableSlot, tableAttributes, conversionApi );\n\t\t}\n\t} );\n}\n\n/**\n * Conversion helper that acts on a removed row.\n *\n * @returns {Function} Conversion helper.\n */\nexport function downcastRemoveRow() {\n\treturn dispatcher => dispatcher.on( 'remove:tableRow', ( evt, data, conversionApi ) => {\n\t\t// Prevent default remove converter.\n\t\tevt.stop();\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst mapper = conversionApi.mapper;\n\n\t\tconst viewStart = mapper.toViewPosition( data.position ).getLastMatchingPosition( value => !value.item.is( 'element', 'tr' ) );\n\t\tconst viewItem = viewStart.nodeAfter;\n\t\tconst tableSection = viewItem.parent;\n\t\tconst viewTable = tableSection.parent;\n\n\t\t// Remove associated <tr> from the view.\n\t\tconst removeRange = viewWriter.createRangeOn( viewItem );\n\t\tconst removed = viewWriter.remove( removeRange );\n\n\t\tfor ( const child of viewWriter.createRangeIn( removed ).getItems() ) {\n\t\t\tmapper.unbindViewElement( child );\n\t\t}\n\n\t\t// Cleanup: Ensure that thead & tbody sections are removed if left empty after removing rows. See #6437, #6391.\n\t\tremoveTableSectionIfEmpty( 'thead', viewTable, conversionApi );\n\t\tremoveTableSectionIfEmpty( 'tbody', viewTable, conversionApi );\n\t}, { priority: 'higher' } );\n}\n\n/**\n * Overrides paragraph inside table cell conversion.\n *\n * This converter:\n * * should be used to override default paragraph conversion in the editing view.\n * * It will only convert <paragraph> placed directly inside <tableCell>.\n * * For a single paragraph without attributes it returns `<span>` to simulate data table.\n * * For all other cases it returns `<p>` element.\n *\n * @param {module:engine/model/element~Element} modelElement\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n * @returns {module:engine/view/containerelement~ContainerElement|undefined}\n */\nexport function convertParagraphInTableCell( modelElement, conversionApi ) {\n\tconst { writer } = conversionApi;\n\n\tif ( !modelElement.parent.is( 'element', 'tableCell' ) ) {\n\t\treturn;\n\t}\n\n\tif ( isSingleParagraphWithoutAttributes( modelElement ) ) {\n\t\t// Use display:inline-block to force Chrome/Safari to limit text mutations to this element.\n\t\t// See #6062.\n\t\treturn writer.createContainerElement( 'span', { style: 'display:inline-block' } );\n\t} else {\n\t\treturn writer.createContainerElement( 'p' );\n\t}\n}\n\n/**\n * Checks if given model `<paragraph>` is an only child of a parent (`<tableCell>`) and if it has any attribute set.\n *\n * The paragraph should be converted in the editing view to:\n *\n * * If returned `true` - to a `<span style=\"display:inline-block\">`\n * * If returned `false` - to a `<p>`\n *\n * @param {module:engine/model/element~Element} modelElement\n * @returns {Boolean}\n */\nexport function isSingleParagraphWithoutAttributes( modelElement ) {\n\tconst tableCell = modelElement.parent;\n\n\tconst isSingleParagraph = tableCell.childCount === 1;\n\n\treturn isSingleParagraph && !hasAnyAttribute( modelElement );\n}\n\n// Converts a given {@link module:engine/view/element~Element} to a table widget:\n// * Adds a {@link module:engine/view/element~Element#_setCustomProperty custom property} allowing to recognize the table widget element.\n// * Calls the {@link module:widget/utils~toWidget} function with the proper element's label creator.\n//\n// @param {module:engine/view/element~Element} viewElement\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer An instance of the view writer.\n// @param {String} label The element's label. It will be concatenated with the table `alt` attribute if one is present.\n// @returns {module:engine/view/element~Element}\nfunction toTableWidget( viewElement, writer ) {\n\twriter.setCustomProperty( 'table', true, viewElement );\n\n\treturn toWidget( viewElement, writer, { hasSelectionHandle: true } );\n}\n\n// Renames an existing table cell in the view to a given element name.\n//\n// **Note** This method will not do anything if a view table cell has not been converted yet.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @param {String} desiredCellElementName\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction renameViewTableCell( tableCell, desiredCellElementName, conversionApi ) {\n\tconst viewWriter = conversionApi.writer;\n\tconst viewCell = conversionApi.mapper.toViewElement( tableCell );\n\n\tconst editable = viewWriter.createEditableElement( desiredCellElementName, viewCell.getAttributes() );\n\tconst renamedCell = toWidgetEditable( editable, viewWriter );\n\n\tsetHighlightHandling(\n\t\trenamedCell,\n\t\tviewWriter,\n\t\t( element, descriptor, writer ) => writer.addClass( toArray( descriptor.classes ), element ),\n\t\t( element, descriptor, writer ) => writer.removeClass( toArray( descriptor.classes ), element )\n\t);\n\n\tviewWriter.insert( viewWriter.createPositionAfter( viewCell ), renamedCell );\n\tviewWriter.move( viewWriter.createRangeIn( viewCell ), viewWriter.createPositionAt( renamedCell, 0 ) );\n\tviewWriter.remove( viewWriter.createRangeOn( viewCell ) );\n\n\tconversionApi.mapper.unbindViewElement( viewCell );\n\tconversionApi.mapper.bindElements( tableCell, renamedCell );\n}\n\n// Renames a table cell element in the view according to its location in the table.\n//\n// @param {module:table/tablewalker~TableSlot} tableSlot\n// @param {{headingColumns, headingRows}} tableAttributes\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction renameViewTableCellIfRequired( tableSlot, tableAttributes, conversionApi ) {\n\tconst { cell } = tableSlot;\n\n\t// Check whether current columnIndex is overlapped by table cells from previous rows.\n\tconst desiredCellElementName = getCellElementName( tableSlot, tableAttributes );\n\n\tconst viewCell = conversionApi.mapper.toViewElement( cell );\n\n\t// If in single change we're converting attribute changes and inserting cell the table cell might not be inserted into view\n\t// because of child conversion is done after parent.\n\tif ( viewCell && viewCell.name !== desiredCellElementName ) {\n\t\trenameViewTableCell( cell, desiredCellElementName, conversionApi );\n\t}\n}\n\n// Creates a table cell element in the view.\n//\n// @param {module:table/tablewalker~TableSlot} tableSlot\n// @param {module:engine/view/position~Position} insertPosition\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction createViewTableCellElement( tableSlot, tableAttributes, insertPosition, conversionApi, options ) {\n\tconst asWidget = options && options.asWidget;\n\tconst cellElementName = getCellElementName( tableSlot, tableAttributes );\n\n\tconst cellElement = asWidget ?\n\t\ttoWidgetEditable( conversionApi.writer.createEditableElement( cellElementName ), conversionApi.writer ) :\n\t\tconversionApi.writer.createContainerElement( cellElementName );\n\n\tif ( asWidget ) {\n\t\tsetHighlightHandling(\n\t\t\tcellElement,\n\t\t\tconversionApi.writer,\n\t\t\t( element, descriptor, writer ) => writer.addClass( toArray( descriptor.classes ), element ),\n\t\t\t( element, descriptor, writer ) => writer.removeClass( toArray( descriptor.classes ), element )\n\t\t);\n\t}\n\n\tconst tableCell = tableSlot.cell;\n\n\tconst firstChild = tableCell.getChild( 0 );\n\tconst isSingleParagraph = tableCell.childCount === 1 && firstChild.name === 'paragraph';\n\n\tconversionApi.writer.insert( insertPosition, cellElement );\n\n\tconversionApi.mapper.bindElements( tableCell, cellElement );\n\n\t// Additional requirement for data pipeline to have backward compatible data tables.\n\tif ( !asWidget && !hasAnyAttribute( firstChild ) && isSingleParagraph ) {\n\t\tconst innerParagraph = tableCell.getChild( 0 );\n\n\t\tconversionApi.consumable.consume( innerParagraph, 'insert' );\n\n\t\tconversionApi.mapper.bindElements( innerParagraph, cellElement );\n\t}\n}\n\n// Creates a `<tr>` view element.\n//\n// @param {module:engine/view/element~Element} tableElement\n// @param {module:engine/model/element~Element} tableRow\n// @param {Number} rowIndex\n// @param {{headingColumns, headingRows}} tableAttributes\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n// @returns {module:engine/view/element~Element}\nfunction createTr( tableElement, tableRow, rowIndex, tableAttributes, conversionApi ) {\n\t// Will always consume since we're converting <tableRow> element from a parent <table>.\n\tconversionApi.consumable.consume( tableRow, 'insert' );\n\n\tconst trElement = tableRow.isEmpty ?\n\t\tconversionApi.writer.createEmptyElement( 'tr' ) :\n\t\tconversionApi.writer.createContainerElement( 'tr' );\n\n\tconversionApi.mapper.bindElements( tableRow, trElement );\n\n\tconst headingRows = tableAttributes.headingRows;\n\tconst tableSection = getOrCreateTableSection( getSectionName( rowIndex, tableAttributes ), tableElement, conversionApi );\n\n\tconst offset = headingRows > 0 && rowIndex >= headingRows ? rowIndex - headingRows : rowIndex;\n\tconst position = conversionApi.writer.createPositionAt( tableSection, offset );\n\n\tconversionApi.writer.insert( position, trElement );\n\n\treturn trElement;\n}\n\n// Returns `th` for heading cells and `td` for other cells for the current table walker value.\n//\n// @param {module:table/tablewalker~TableSlot} tableSlot\n// @param {{headingColumns, headingRows}} tableAttributes\n// @returns {String}\nfunction getCellElementName( tableSlot, tableAttributes ) {\n\tconst { row, column } = tableSlot;\n\tconst { headingColumns, headingRows } = tableAttributes;\n\n\t// Column heading are all tableCells in the first `columnHeading` rows.\n\tconst isColumnHeading = headingRows && headingRows > row;\n\n\t// So a whole row gets <th> element.\n\tif ( isColumnHeading ) {\n\t\treturn 'th';\n\t}\n\n\t// Row heading are tableCells which columnIndex is lower then headingColumns.\n\tconst isRowHeading = headingColumns && headingColumns > column;\n\n\treturn isRowHeading ? 'th' : 'td';\n}\n\n// Returns the table section name for the current table walker value.\n//\n// @param {Number} row\n// @param {{headingColumns, headingRows}} tableAttributes\n// @returns {String}\nfunction getSectionName( row, tableAttributes ) {\n\treturn row < tableAttributes.headingRows ? 'thead' : 'tbody';\n}\n\n// Creates or returns an existing `<tbody>` or `<thead>` element with caching.\n//\n// @param {String} sectionName\n// @param {module:engine/view/element~Element} viewTable\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n// @param {Object} cachedTableSection An object that stores cached elements.\n// @returns {module:engine/view/containerelement~ContainerElement}\nfunction getOrCreateTableSection( sectionName, viewTable, conversionApi ) {\n\tconst viewTableSection = getExistingTableSectionElement( sectionName, viewTable );\n\n\treturn viewTableSection ? viewTableSection : createTableSection( sectionName, viewTable, conversionApi );\n}\n\n// Finds an existing `<tbody>` or `<thead>` element or returns undefined.\n//\n// @param {String} sectionName\n// @param {module:engine/view/element~Element} tableElement\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction getExistingTableSectionElement( sectionName, tableElement ) {\n\tfor ( const tableSection of tableElement.getChildren() ) {\n\t\tif ( tableSection.name == sectionName ) {\n\t\t\treturn tableSection;\n\t\t}\n\t}\n}\n\n// Creates a table section at the end of the table.\n//\n// @param {String} sectionName\n// @param {module:engine/view/element~Element} tableElement\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n// @returns {module:engine/view/containerelement~ContainerElement}\nfunction createTableSection( sectionName, tableElement, conversionApi ) {\n\tconst tableChildElement = conversionApi.writer.createContainerElement( sectionName );\n\n\tconst insertPosition = conversionApi.writer.createPositionAt( tableElement, sectionName == 'tbody' ? 'end' : 0 );\n\n\tconversionApi.writer.insert( insertPosition, tableChildElement );\n\n\treturn tableChildElement;\n}\n\n// Removes an existing `<tbody>` or `<thead>` element if it is empty.\n//\n// @param {String} sectionName\n// @param {module:engine/view/element~Element} tableElement\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction removeTableSectionIfEmpty( sectionName, tableElement, conversionApi ) {\n\tconst tableSection = getExistingTableSectionElement( sectionName, tableElement );\n\n\tif ( tableSection && tableSection.childCount === 0 ) {\n\t\tconversionApi.writer.remove( conversionApi.writer.createRangeOn( tableSection ) );\n\t}\n}\n\n// Finds a '<table>' element inside the `<figure>` widget.\n//\n// @param {module:engine/view/element~Element} viewFigure\nfunction getViewTable( viewFigure ) {\n\tfor ( const child of viewFigure.getChildren() ) {\n\t\tif ( child.name === 'table' ) {\n\t\t\treturn child;\n\t\t}\n\t}\n}\n\n// Checks if an element has any attributes set.\n//\n// @param {module:engine/model/element~Element element\n// @returns {Boolean}\nfunction hasAnyAttribute( element ) {\n\treturn !![ ...element.getAttributeKeys() ].length;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/inserttablecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { findOptimalInsertionPosition } from '@ckeditor/ckeditor5-widget/src/utils';\n\n/**\n * The insert table command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'insertTable'` editor command.\n *\n * To insert a table at the current selection, execute the command and specify the dimensions:\n *\n *\t\teditor.execute( 'insertTable', { rows: 20, columns: 5 } );\n *\n * @extends module:core/command~Command\n */\nexport default class InsertTableCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst schema = model.schema;\n\n\t\tconst validParent = getInsertTableParent( selection.getFirstPosition() );\n\n\t\tthis.isEnabled = schema.checkChild( validParent, 'table' );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * Inserts a table with the given number of rows and columns into the editor.\n\t *\n\t * @param {Object} options\n\t * @param {Number} [options.rows=2] The number of rows to create in the inserted table.\n\t * @param {Number} [options.columns=2] The number of columns to create in the inserted table.\n\t * @param {Number} [options.headingRows=0] The number of heading rows.\n\t * @param {Number} [options.headingColumns=0] The number of heading columns.\n\t * @fires execute\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\n\t\tconst insertPosition = findOptimalInsertionPosition( selection, model );\n\n\t\tmodel.change( writer => {\n\t\t\tconst table = tableUtils.createTable( writer, options );\n\n\t\t\tmodel.insertContent( table, insertPosition );\n\n\t\t\twriter.setSelection( writer.createPositionAt( table.getNodeByPath( [ 0, 0, 0 ] ), 0 ) );\n\t\t} );\n\t}\n}\n\n// Returns valid parent to insert table\n//\n// @param {module:engine/model/position} position\nfunction getInsertTableParent( position ) {\n\tconst parent = position.parent;\n\n\treturn parent === parent.root ? parent : parent.parent;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/selection\n */\n\nimport TableWalker from '../tablewalker';\n\n/**\n * Returns all model table cells that are fully selected (from the outside)\n * within the provided model selection's ranges.\n *\n * To obtain the cells selected from the inside, use\n * {@link module:table/utils/selection~getTableCellsContainingSelection}.\n *\n * @param {module:engine/model/selection~Selection} selection\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getSelectedTableCells( selection ) {\n\tconst cells = [];\n\n\tfor ( const range of sortRanges( selection.getRanges() ) ) {\n\t\tconst element = range.getContainedElement();\n\n\t\tif ( element && element.is( 'element', 'tableCell' ) ) {\n\t\t\tcells.push( element );\n\t\t}\n\t}\n\n\treturn cells;\n}\n\n/**\n * Returns all model table cells that the provided model selection's ranges\n * {@link module:engine/model/range~Range#start} inside.\n *\n * To obtain the cells selected from the outside, use\n * {@link module:table/utils/selection~getSelectedTableCells}.\n *\n * @param {module:engine/model/selection~Selection} selection\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getTableCellsContainingSelection( selection ) {\n\tconst cells = [];\n\n\tfor ( const range of selection.getRanges() ) {\n\t\tconst cellWithSelection = range.start.findAncestor( 'tableCell' );\n\n\t\tif ( cellWithSelection ) {\n\t\t\tcells.push( cellWithSelection );\n\t\t}\n\t}\n\n\treturn cells;\n}\n\n/**\n * Returns all model table cells that are either completely selected\n * by selection ranges or host selection range\n * {@link module:engine/model/range~Range#start start positions} inside them.\n *\n * Combines {@link module:table/utils/selection~getTableCellsContainingSelection} and\n * {@link module:table/utils/selection~getSelectedTableCells}.\n *\n * @param {module:engine/model/selection~Selection} selection\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getSelectionAffectedTableCells( selection ) {\n\tconst selectedCells = getSelectedTableCells( selection );\n\n\tif ( selectedCells.length ) {\n\t\treturn selectedCells;\n\t}\n\n\treturn getTableCellsContainingSelection( selection );\n}\n\n/**\n * Returns an object with the `first` and `last` row index contained in the given `tableCells`.\n *\n *\t\tconst selectedTableCells = getSelectedTableCells( editor.model.document.selection );\n *\n *\t\tconst { first, last } = getRowIndexes( selectedTableCells );\n *\n *\t\tconsole.log( `Selected rows: ${ first } to ${ last }` );\n *\n * @param {Array.<module:engine/model/element~Element>} tableCells\n * @returns {Object} Returns an object with the `first` and `last` table row indexes.\n */\nexport function getRowIndexes( tableCells ) {\n\tconst indexes = tableCells.map( cell => cell.parent.index );\n\n\treturn getFirstLastIndexesObject( indexes );\n}\n\n/**\n * Returns an object with the `first` and `last` column index contained in the given `tableCells`.\n *\n *\t\tconst selectedTableCells = getSelectedTableCells( editor.model.document.selection );\n *\n *\t\tconst { first, last } = getColumnIndexes( selectedTableCells );\n *\n *\t\tconsole.log( `Selected columns: ${ first } to ${ last }` );\n *\n * @param {Array.<module:engine/model/element~Element>} tableCells\n * @returns {Object} Returns an object with the `first` and `last` table column indexes.\n */\nexport function getColumnIndexes( tableCells ) {\n\tconst table = tableCells[ 0 ].findAncestor( 'table' );\n\tconst tableMap = [ ...new TableWalker( table ) ];\n\n\tconst indexes = tableMap\n\t\t.filter( entry => tableCells.includes( entry.cell ) )\n\t\t.map( entry => entry.column );\n\n\treturn getFirstLastIndexesObject( indexes );\n}\n\n/**\n * Checks if the selection contains cells that do not exceed rectangular selection.\n *\n * In a table below:\n *\n *\t\t┌───┬───┬───┬───┐\n *\t\t│ a │ b │ c │ d │\n *\t\t├───┴───┼───┤   │\n *\t\t│ e     │ f │   │\n *\t\t│       ├───┼───┤\n *\t\t│       │ g │ h │\n *\t\t└───────┴───┴───┘\n *\n * Valid selections are these which create a solid rectangle (without gaps), such as:\n *   - a, b (two horizontal cells)\n *   - c, f (two vertical cells)\n *   - a, b, e (cell \"e\" spans over four cells)\n *   - c, d, f (cell d spans over a cell in the row below)\n *\n * While an invalid selection would be:\n *   - a, c (the unselected cell \"b\" creates a gap)\n *   - f, g, h (cell \"d\" spans over a cell from the row of \"f\" cell - thus creates a gap)\n *\n * @param {Array.<module:engine/model/element~Element>} selectedTableCells\n * @param {module:table/tableutils~TableUtils} tableUtils\n * @returns {Boolean}\n */\nexport function isSelectionRectangular( selectedTableCells, tableUtils ) {\n\tif ( selectedTableCells.length < 2 || !areCellInTheSameTableSection( selectedTableCells ) ) {\n\t\treturn false;\n\t}\n\n\t// A valid selection is a fully occupied rectangle composed of table cells.\n\t// Below we will calculate the area of a selected table cells and the area of valid selection.\n\t// The area of a valid selection is defined by top-left and bottom-right cells.\n\tconst rows = new Set();\n\tconst columns = new Set();\n\n\tlet areaOfSelectedCells = 0;\n\n\tfor ( const tableCell of selectedTableCells ) {\n\t\tconst { row, column } = tableUtils.getCellLocation( tableCell );\n\t\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\t\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\n\t\t// Record row & column indexes of current cell.\n\t\trows.add( row );\n\t\tcolumns.add( column );\n\n\t\t// For cells that spans over multiple rows add also the last row that this cell spans over.\n\t\tif ( rowspan > 1 ) {\n\t\t\trows.add( row + rowspan - 1 );\n\t\t}\n\n\t\t// For cells that spans over multiple columns add also the last column that this cell spans over.\n\t\tif ( colspan > 1 ) {\n\t\t\tcolumns.add( column + colspan - 1 );\n\t\t}\n\n\t\tareaOfSelectedCells += ( rowspan * colspan );\n\t}\n\n\t// We can only merge table cells that are in adjacent rows...\n\tconst areaOfValidSelection = getBiggestRectangleArea( rows, columns );\n\n\treturn areaOfValidSelection == areaOfSelectedCells;\n}\n\n/**\n * Returns array of sorted ranges.\n *\n * @param {Iterable.<module:engine/model/range~Range>} ranges\n * @return {Array.<module:engine/model/range~Range>}\n */\nexport function sortRanges( ranges ) {\n\treturn Array.from( ranges ).sort( compareRangeOrder );\n}\n\n// Helper method to get an object with `first` and `last` indexes from an unsorted array of indexes.\nfunction getFirstLastIndexesObject( indexes ) {\n\tconst allIndexesSorted = indexes.sort( ( indexA, indexB ) => indexA - indexB );\n\n\tconst first = allIndexesSorted[ 0 ];\n\tconst last = allIndexesSorted[ allIndexesSorted.length - 1 ];\n\n\treturn { first, last };\n}\n\nfunction compareRangeOrder( rangeA, rangeB ) {\n\t// Since table cell ranges are disjoint, it's enough to check their start positions.\n\tconst posA = rangeA.start;\n\tconst posB = rangeB.start;\n\n\t// Checking for equal position (returning 0) is not needed because this would be either:\n\t// a. Intersecting range (not allowed by model)\n\t// b. Collapsed range on the same position (allowed by model but should not happen).\n\treturn posA.isBefore( posB ) ? -1 : 1;\n}\n\n// Calculates the area of a maximum rectangle that can span over the provided row & column indexes.\n//\n// @param {Array.<Number>} rows\n// @param {Array.<Number>} columns\n// @returns {Number}\nfunction getBiggestRectangleArea( rows, columns ) {\n\tconst rowsIndexes = Array.from( rows.values() );\n\tconst columnIndexes = Array.from( columns.values() );\n\n\tconst lastRow = Math.max( ...rowsIndexes );\n\tconst firstRow = Math.min( ...rowsIndexes );\n\tconst lastColumn = Math.max( ...columnIndexes );\n\tconst firstColumn = Math.min( ...columnIndexes );\n\n\treturn ( lastRow - firstRow + 1 ) * ( lastColumn - firstColumn + 1 );\n}\n\n// Checks if the selection does not mix a header (column or row) with other cells.\n//\n// For instance, in the table below valid selections consist of cells with the same letter only.\n// So, a-a (same heading row and column) or d-d (body cells) are valid while c-d or a-b are not.\n//\n//\t\t header columns\n//\t\t  ↓   ↓\n//\t\t┌───┬───┬───┬───┐\n//\t\t│ a │ a │ b │ b │  ← header row\n//\t\t├───┼───┼───┼───┤\n//\t\t│ c │ c │ d │ d │\n//\t\t├───┼───┼───┼───┤\n//\t\t│ c │ c │ d │ d │\n//\t\t└───┴───┴───┴───┘\nfunction areCellInTheSameTableSection( tableCells ) {\n\tconst table = tableCells[ 0 ].findAncestor( 'table' );\n\n\tconst rowIndexes = getRowIndexes( tableCells );\n\tconst headingRows = parseInt( table.getAttribute( 'headingRows' ) || 0 );\n\n\t// Calculating row indexes is a bit cheaper so if this check fails we can't merge.\n\tif ( !areIndexesInSameSection( rowIndexes, headingRows ) ) {\n\t\treturn false;\n\t}\n\n\tconst headingColumns = parseInt( table.getAttribute( 'headingColumns' ) || 0 );\n\tconst columnIndexes = getColumnIndexes( tableCells );\n\n\t// Similarly cells must be in same column section.\n\treturn areIndexesInSameSection( columnIndexes, headingColumns );\n}\n\n// Unified check if table rows/columns indexes are in the same heading/body section.\nfunction areIndexesInSameSection( { first, last }, headingSectionSize ) {\n\tconst firstCellIsInHeading = first < headingSectionSize;\n\tconst lastCellIsInHeading = last < headingSectionSize;\n\n\treturn firstCellIsInHeading === lastCellIsInHeading;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/insertrowcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getRowIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The insert row command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'insertTableRowBelow'` and\n * `'insertTableRowAbove'` editor commands.\n *\n * To insert a row below the selected cell, execute the following command:\n *\n *\t\teditor.execute( 'insertTableRowBelow' );\n *\n * To insert a row above the selected cell, execute the following command:\n *\n *\t\teditor.execute( 'insertTableRowAbove' );\n *\n * @extends module:core/command~Command\n */\nexport default class InsertRowCommand extends Command {\n\t/**\n\t * Creates a new `InsertRowCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor on which this command will be used.\n\t * @param {Object} options\n\t * @param {String} [options.order=\"below\"] The order of insertion relative to the row in which the caret is located.\n\t * Possible values: `\"above\"` and `\"below\"`.\n\t */\n\tconstructor( editor, options = {} ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The order of insertion relative to the row in which the caret is located.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} module:table/commands/insertrowcommand~InsertRowCommand#order\n\t\t */\n\t\tthis.order = options.order || 'below';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selection = this.editor.model.document.selection;\n\n\t\tconst tableParent = selection.getFirstPosition().findAncestor( 'table' );\n\n\t\tthis.isEnabled = !!tableParent;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * Depending on the command's {@link #order} value, it inserts a row `'below'` or `'above'` the row in which selection is set.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst tableUtils = editor.plugins.get( 'TableUtils' );\n\t\tconst insertAbove = this.order === 'above';\n\n\t\tconst affectedTableCells = getSelectionAffectedTableCells( selection );\n\t\tconst rowIndexes = getRowIndexes( affectedTableCells );\n\n\t\tconst row = insertAbove ? rowIndexes.first : rowIndexes.last;\n\t\tconst table = affectedTableCells[ 0 ].findAncestor( 'table' );\n\n\t\ttableUtils.insertRows( table, { at: insertAbove ? row : row + 1, copyStructureFromAbove: !insertAbove } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/insertcolumncommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getColumnIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The insert column command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'insertTableColumnLeft'` and\n * `'insertTableColumnRight'` editor commands.\n *\n * To insert a column to the left of the selected cell, execute the following command:\n *\n *\t\teditor.execute( 'insertTableColumnLeft' );\n *\n * To insert a column to the right of the selected cell, execute the following command:\n *\n *\t\teditor.execute( 'insertTableColumnRight' );\n *\n * @extends module:core/command~Command\n */\nexport default class InsertColumnCommand extends Command {\n\t/**\n\t * Creates a new `InsertColumnCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor on which this command will be used.\n\t * @param {Object} options\n\t * @param {String} [options.order=\"right\"] The order of insertion relative to the column in which the caret is located.\n\t * Possible values: `\"left\"` and `\"right\"`.\n\t */\n\tconstructor( editor, options = {} ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The order of insertion relative to the column in which the caret is located.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} module:table/commands/insertcolumncommand~InsertColumnCommand#order\n\t\t */\n\t\tthis.order = options.order || 'right';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selection = this.editor.model.document.selection;\n\n\t\tconst tableParent = selection.getFirstPosition().findAncestor( 'table' );\n\n\t\tthis.isEnabled = !!tableParent;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * Depending on the command's {@link #order} value, it inserts a column to the `'left'` or `'right'` of the column\n\t * in which the selection is set.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst tableUtils = editor.plugins.get( 'TableUtils' );\n\t\tconst insertBefore = this.order === 'left';\n\n\t\tconst affectedTableCells = getSelectionAffectedTableCells( selection );\n\t\tconst columnIndexes = getColumnIndexes( affectedTableCells );\n\n\t\tconst column = insertBefore ? columnIndexes.first : columnIndexes.last;\n\t\tconst table = affectedTableCells[ 0 ].findAncestor( 'table' );\n\n\t\ttableUtils.insertColumns( table, { columns: 1, at: insertBefore ? column : column + 1 } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/splitcellcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The split cell command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'splitTableCellVertically'`\n * and `'splitTableCellHorizontally'`  editor commands.\n *\n * You can split any cell vertically or horizontally by executing this command. For example, to split the selected table cell vertically:\n *\n *\t\teditor.execute( 'splitTableCellVertically' );\n *\n * @extends module:core/command~Command\n */\nexport default class SplitCellCommand extends Command {\n\t/**\n\t * Creates a new `SplitCellCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor on which this command will be used.\n\t * @param {Object} options\n\t * @param {String} options.direction Indicates whether the command should split cells `'horizontally'` or `'vertically'`.\n\t */\n\tconstructor( editor, options = {} ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The direction that indicates which cell will be split.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} #direction\n\t\t */\n\t\tthis.direction = options.direction || 'horizontally';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\n\t\tthis.isEnabled = selectedCells.length === 1;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst tableCell = getSelectionAffectedTableCells( this.editor.model.document.selection )[ 0 ];\n\t\tconst isHorizontal = this.direction === 'horizontally';\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\n\t\tif ( isHorizontal ) {\n\t\t\ttableUtils.splitCellHorizontally( tableCell, 2 );\n\t\t} else {\n\t\t\ttableUtils.splitCellVertically( tableCell, 2 );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/structure\n */\n\nimport TableWalker from '../tablewalker';\nimport { createEmptyTableCell, updateNumericAttribute } from './common';\n\n/**\n * Returns a cropped table according to given dimensions.\n\n * To return a cropped table that starts at first row and first column and end in third row and column:\n *\n *\t\tconst croppedTable = cropTableToDimensions( table, {\n *\t\t\tstartRow: 1,\n *\t\t\tendRow: 1,\n *\t\t\tstartColumn: 3,\n *\t\t\tendColumn: 3\n *\t\t}, writer );\n *\n * Calling the code above for the table below:\n *\n *\t\t      0   1   2   3   4                      0   1   2\n *\t\t    ┌───┬───┬───┬───┬───┐\n *\t\t 0  │ a │ b │ c │ d │ e │\n *\t\t    ├───┴───┤   ├───┴───┤                  ┌───┬───┬───┐\n *\t\t 1  │ f     │   │ g     │                  │   │   │ g │  0\n *\t\t    ├───┬───┴───┼───┬───┤   will return:   ├───┴───┼───┤\n *\t\t 2  │ h │ i     │ j │ k │                  │ i     │ j │  1\n *\t\t    ├───┤       ├───┤   │                  │       ├───┤\n *\t\t 3  │ l │       │ m │   │                  │       │ m │  2\n *\t\t    ├───┼───┬───┤   ├───┤                  └───────┴───┘\n *\t\t 4  │ n │ o │ p │   │ q │\n *\t\t    └───┴───┴───┴───┴───┘\n *\n * @param {module:engine/model/element~Element} sourceTable\n * @param {Object} cropDimensions\n * @param {Number} cropDimensions.startRow\n * @param {Number} cropDimensions.startColumn\n * @param {Number} cropDimensions.endRow\n * @param {Number} cropDimensions.endColumn\n * @param {module:engine/model/writer~Writer} writer\n * @returns {module:engine/model/element~Element}\n */\nexport function cropTableToDimensions( sourceTable, cropDimensions, writer ) {\n\tconst { startRow, startColumn, endRow, endColumn } = cropDimensions;\n\n\t// Create empty table with empty rows equal to crop height.\n\tconst croppedTable = writer.createElement( 'table' );\n\tconst cropHeight = endRow - startRow + 1;\n\n\tfor ( let i = 0; i < cropHeight; i++ ) {\n\t\twriter.insertElement( 'tableRow', croppedTable, 'end' );\n\t}\n\n\tconst tableMap = [ ...new TableWalker( sourceTable, { startRow, endRow, startColumn, endColumn, includeAllSlots: true } ) ];\n\n\t// Iterate over source table slots (including empty - spanned - ones).\n\tfor ( const { row: sourceRow, column: sourceColumn, cell: tableCell, isAnchor, cellAnchorRow, cellAnchorColumn } of tableMap ) {\n\t\t// Row index in cropped table.\n\t\tconst rowInCroppedTable = sourceRow - startRow;\n\t\tconst row = croppedTable.getChild( rowInCroppedTable );\n\n\t\t// For empty slots: fill the gap with empty table cell.\n\t\tif ( !isAnchor ) {\n\t\t\t// But fill the gap only if the spanning cell is anchored outside cropped area.\n\t\t\t// In the table from method jsdoc those cells are: \"c\" & \"f\".\n\t\t\tif ( cellAnchorRow < startRow || cellAnchorColumn < startColumn ) {\n\t\t\t\tcreateEmptyTableCell( writer, writer.createPositionAt( row, 'end' ) );\n\t\t\t}\n\t\t}\n\t\t// Otherwise clone the cell with all children and trim if it exceeds cropped area.\n\t\telse {\n\t\t\tconst tableCellCopy = writer.cloneElement( tableCell );\n\n\t\t\twriter.append( tableCellCopy, row );\n\n\t\t\t// Trim table if it exceeds cropped area.\n\t\t\t// In the table from method jsdoc those cells are: \"g\" & \"m\".\n\t\t\ttrimTableCellIfNeeded( tableCellCopy, sourceRow, sourceColumn, endRow, endColumn, writer );\n\t\t}\n\t}\n\n\t// Adjust heading rows & columns in cropped table if crop selection includes headings parts.\n\taddHeadingsToCroppedTable( croppedTable, sourceTable, startRow, startColumn, writer );\n\n\treturn croppedTable;\n}\n\n/**\n * Returns slot info of cells that starts above and overlaps a given row.\n *\n * In a table below, passing `overlapRow = 3`\n *\n *\t\t   ┌───┬───┬───┬───┬───┐\n *\t\t0  │ a │ b │ c │ d │ e │\n *\t\t   │   ├───┼───┼───┼───┤\n *\t\t1  │   │ f │ g │ h │ i │\n *\t\t   ├───┤   ├───┼───┤   │\n *\t\t2  │ j │   │ k │ l │   │\n *\t\t   │   │   │   ├───┼───┤\n *\t\t3  │   │   │   │ m │ n │  <- overlap row to check\n *\t\t   ├───┼───┤   │   ├───│\n *\t\t4  │ o │ p │   │   │ q │\n *\t\t   └───┴───┴───┴───┴───┘\n *\n * will return slot info for cells: \"j\", \"f\", \"k\".\n *\n * @param {module:engine/model/element~Element} table The table to check.\n * @param {Number} overlapRow The index of the row to check.\n * @param {Number} [startRow=0] A row to start analysis. Use it when it is known that the cells above that row will not overlap.\n * @returns {Array.<module:table/tablewalker~TableSlot>}\n */\nexport function getVerticallyOverlappingCells( table, overlapRow, startRow = 0 ) {\n\tconst cells = [];\n\n\tconst tableWalker = new TableWalker( table, { startRow, endRow: overlapRow - 1 } );\n\n\tfor ( const slotInfo of tableWalker ) {\n\t\tconst { row, cellHeight } = slotInfo;\n\t\tconst cellEndRow = row + cellHeight - 1;\n\n\t\tif ( row < overlapRow && overlapRow <= cellEndRow ) {\n\t\t\tcells.push( slotInfo );\n\t\t}\n\t}\n\n\treturn cells;\n}\n\n/**\n * Splits the table cell horizontally.\n *\n * @param {module:engine/model/element~Element} tableCell\n * @param {Number} splitRow\n * @param {module:engine/model/writer~Writer} writer\n * @returns {module:engine/model/element~Element} Created table cell.\n */\nexport function splitHorizontally( tableCell, splitRow, writer ) {\n\tconst tableRow = tableCell.parent;\n\tconst table = tableRow.parent;\n\tconst rowIndex = tableRow.index;\n\n\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) );\n\tconst newRowspan = splitRow - rowIndex;\n\n\tconst newCellAttributes = {};\n\tconst newCellRowSpan = rowspan - newRowspan;\n\n\tif ( newCellRowSpan > 1 ) {\n\t\tnewCellAttributes.rowspan = newCellRowSpan;\n\t}\n\n\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\n\tif ( colspan > 1 ) {\n\t\tnewCellAttributes.colspan = colspan;\n\t}\n\n\tconst startRow = rowIndex;\n\tconst endRow = startRow + newRowspan;\n\tconst tableMap = [ ...new TableWalker( table, { startRow, endRow, includeAllSlots: true } ) ];\n\n\tlet newCell = null;\n\tlet columnIndex;\n\n\tfor ( const tableSlot of tableMap ) {\n\t\tconst { row, column, cell } = tableSlot;\n\n\t\tif ( cell === tableCell && columnIndex === undefined ) {\n\t\t\tcolumnIndex = column;\n\t\t}\n\n\t\tif ( columnIndex !== undefined && columnIndex === column && row === endRow ) {\n\t\t\tnewCell = createEmptyTableCell( writer, tableSlot.getPositionBefore(), newCellAttributes );\n\t\t}\n\t}\n\n\t// Update the rowspan attribute after updating table.\n\tupdateNumericAttribute( 'rowspan', newRowspan, tableCell, writer );\n\n\treturn newCell;\n}\n\n/**\n * Returns slot info of cells that starts before and overlaps a given column.\n *\n * In a table below, passing `overlapColumn = 3`\n *\n *\t\t  0   1   2   3   4\n *\t\t┌───────┬───────┬───┐\n *\t\t│ a     │ b     │ c │\n *\t\t│───┬───┴───────┼───┤\n *\t\t│ d │ e         │ f │\n *\t\t├───┼───┬───────┴───┤\n *\t\t│ g │ h │ i         │\n *\t\t├───┼───┼───┬───────┤\n *\t\t│ j │ k │ l │ m     │\n *\t\t├───┼───┴───┼───┬───┤\n *\t\t│ n │ o     │ p │ q │\n *\t\t└───┴───────┴───┴───┘\n *\t\t              ^\n *\t\t              Overlap column to check\n *\n * will return slot info for cells: \"b\", \"e\", \"i\".\n *\n * @param {module:engine/model/element~Element} table The table to check.\n * @param {Number} overlapColumn The index of the column to check.\n * @returns {Array.<module:table/tablewalker~TableSlot>}\n */\nexport function getHorizontallyOverlappingCells( table, overlapColumn ) {\n\tconst cellsToSplit = [];\n\n\tconst tableWalker = new TableWalker( table );\n\n\tfor ( const slotInfo of tableWalker ) {\n\t\tconst { column, cellWidth } = slotInfo;\n\t\tconst cellEndColumn = column + cellWidth - 1;\n\n\t\tif ( column < overlapColumn && overlapColumn <= cellEndColumn ) {\n\t\t\tcellsToSplit.push( slotInfo );\n\t\t}\n\t}\n\n\treturn cellsToSplit;\n}\n\n/**\n * Splits the table cell vertically.\n *\n * @param {module:engine/model/element~Element} tableCell\n * @param {Number} columnIndex The table cell column index.\n * @param {Number} splitColumn The index of column to split cell on.\n * @param {module:engine/model/writer~Writer} writer\n * @returns {module:engine/model/element~Element} Created table cell.\n */\nexport function splitVertically( tableCell, columnIndex, splitColumn, writer ) {\n\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) );\n\tconst newColspan = splitColumn - columnIndex;\n\n\tconst newCellAttributes = {};\n\tconst newCellColSpan = colspan - newColspan;\n\n\tif ( newCellColSpan > 1 ) {\n\t\tnewCellAttributes.colspan = newCellColSpan;\n\t}\n\n\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\n\tif ( rowspan > 1 ) {\n\t\tnewCellAttributes.rowspan = rowspan;\n\t}\n\n\tconst newCell = createEmptyTableCell( writer, writer.createPositionAfter( tableCell ), newCellAttributes );\n\n\t// Update the colspan attribute after updating table.\n\tupdateNumericAttribute( 'colspan', newColspan, tableCell, writer );\n\n\treturn newCell;\n}\n\n/**\n * Adjusts table cell dimensions to not exceed limit row and column.\n *\n * If table cell width (or height) covers a column (or row) that is after a limit column (or row)\n * this method will trim \"colspan\" (or \"rowspan\") attribute so the table cell will fit in a defined limits.\n *\n * @param {module:engine/model/element~Element} tableCell\n * @param {Number} cellRow\n * @param {Number} cellColumn\n * @param {Number} limitRow\n * @param {Number} limitColumn\n * @param {module:engine/model/writer~Writer} writer\n */\nexport function trimTableCellIfNeeded( tableCell, cellRow, cellColumn, limitRow, limitColumn, writer ) {\n\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\n\tconst endColumn = cellColumn + colspan - 1;\n\n\tif ( endColumn > limitColumn ) {\n\t\tconst trimmedSpan = limitColumn - cellColumn + 1;\n\n\t\tupdateNumericAttribute( 'colspan', trimmedSpan, tableCell, writer, 1 );\n\t}\n\n\tconst endRow = cellRow + rowspan - 1;\n\n\tif ( endRow > limitRow ) {\n\t\tconst trimmedSpan = limitRow - cellRow + 1;\n\n\t\tupdateNumericAttribute( 'rowspan', trimmedSpan, tableCell, writer, 1 );\n\t}\n}\n\n// Sets proper heading attributes to a cropped table.\nfunction addHeadingsToCroppedTable( croppedTable, sourceTable, startRow, startColumn, writer ) {\n\tconst headingRows = parseInt( sourceTable.getAttribute( 'headingRows' ) || 0 );\n\n\tif ( headingRows > 0 ) {\n\t\tconst headingRowsInCrop = headingRows - startRow;\n\t\tupdateNumericAttribute( 'headingRows', headingRowsInCrop, croppedTable, writer, 0 );\n\t}\n\n\tconst headingColumns = parseInt( sourceTable.getAttribute( 'headingColumns' ) || 0 );\n\n\tif ( headingColumns > 0 ) {\n\t\tconst headingColumnsInCrop = headingColumns - startColumn;\n\t\tupdateNumericAttribute( 'headingColumns', headingColumnsInCrop, croppedTable, writer, 0 );\n\t}\n}\n\n/**\n * Removes columns that have no cells anchored.\n *\n * In table below:\n *\n *     +----+----+----+----+----+----+----+\n *     | 00 | 01      | 03 | 04      | 06 |\n *     +----+----+----+----+         +----+\n *     | 10 | 11      | 13 |         | 16 |\n *     +----+----+----+----+----+----+----+\n *     | 20 | 21      | 23 | 24      | 26 |\n *     +----+----+----+----+----+----+----+\n *                  ^--- empty ---^\n *\n * Will remove columns 2 and 5.\n *\n * **Note:** This is a low-level helper method for clearing invalid model state when doing table modifications.\n * To remove a column from a table use {@link module:table/tableutils~TableUtils#removeColumns `TableUtils.removeColumns()`}.\n *\n * @protected\n * @param {module:engine/model/element~Element} table\n * @param {module:table/tableutils~TableUtils} tableUtils\n * @returns {Boolean} True if removed some columns.\n */\nexport function removeEmptyColumns( table, tableUtils ) {\n\tconst width = tableUtils.getColumns( table );\n\tconst columnsMap = new Array( width ).fill( 0 );\n\n\tfor ( const { column } of new TableWalker( table ) ) {\n\t\tcolumnsMap[ column ]++;\n\t}\n\n\tconst emptyColumns = columnsMap.reduce( ( result, cellsCount, column ) => {\n\t\treturn cellsCount ? result : [ ...result, column ];\n\t}, [] );\n\n\tif ( emptyColumns.length > 0 ) {\n\t\t// Remove only last empty column because it will recurrently trigger removing empty rows.\n\t\tconst emptyColumn = emptyColumns[ emptyColumns.length - 1 ];\n\n\t\t// @if CK_DEBUG_TABLE // console.log( `Removing empty column: ${ emptyColumn }.` );\n\t\ttableUtils.removeColumns( table, { at: emptyColumn } );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n/**\n * Removes rows that have no cells anchored.\n *\n * In table below:\n *\n *     +----+----+----+\n *     | 00 | 01 | 02 |\n *     +----+----+----+\n *     | 10 | 11 | 12 |\n *     +    +    +    +\n *     |    |    |    | <-- empty\n *     +----+----+----+\n *     | 30 | 31 | 32 |\n *     +----+----+----+\n *     | 40      | 42 |\n *     +         +    +\n *     |         |    | <-- empty\n *     +----+----+----+\n *     | 60 | 61 | 62 |\n *     +----+----+----+\n *\n * Will remove rows 2 and 5.\n *\n * **Note:** This is a low-level helper method for clearing invalid model state when doing table modifications.\n * To remove a row from a table use {@link module:table/tableutils~TableUtils#removeRows `TableUtils.removeRows()`}.\n *\n * @protected\n * @param {module:engine/model/element~Element} table\n * @param {module:table/tableutils~TableUtils} tableUtils\n * @returns {Boolean} True if removed some rows.\n */\nexport function removeEmptyRows( table, tableUtils ) {\n\tconst emptyRows = [];\n\n\tfor ( let rowIndex = 0; rowIndex < table.childCount; rowIndex++ ) {\n\t\tconst tableRow = table.getChild( rowIndex );\n\n\t\tif ( tableRow.isEmpty ) {\n\t\t\temptyRows.push( rowIndex );\n\t\t}\n\t}\n\n\tif ( emptyRows.length > 0 ) {\n\t\t// Remove only last empty row because it will recurrently trigger removing empty columns.\n\t\tconst emptyRow = emptyRows[ emptyRows.length - 1 ];\n\n\t\t// @if CK_DEBUG_TABLE // console.log( `Removing empty row: ${ emptyRow }.` );\n\t\ttableUtils.removeRows( table, { at: emptyRow } );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n/**\n * Removes rows and columns that have no cells anchored.\n *\n * In table below:\n *\n *     +----+----+----+----+\n *     | 00      | 02      |\n *     +----+----+         +\n *     | 10      |         |\n *     +----+----+----+----+\n *     | 20      | 22 | 23 |\n *     +         +    +    +\n *     |         |    |    | <-- empty row\n *     +----+----+----+----+\n *             ^--- empty column\n *\n * Will remove row 3 and column 1.\n *\n * **Note:** This is a low-level helper method for clearing invalid model state when doing table modifications.\n * To remove a rows from a table use {@link module:table/tableutils~TableUtils#removeRows `TableUtils.removeRows()`} and\n * {@link module:table/tableutils~TableUtils#removeColumns `TableUtils.removeColumns()`} to remove a column.\n *\n * @protected\n * @param {module:engine/model/element~Element} table\n * @param {module:table/tableutils~TableUtils} tableUtils\n */\nexport function removeEmptyRowsColumns( table, tableUtils ) {\n\tconst removedColumns = removeEmptyColumns( table, tableUtils );\n\n\t// If there was some columns removed then cleaning empty rows was already triggered.\n\tif ( !removedColumns ) {\n\t\tremoveEmptyRows( table, tableUtils );\n\t}\n}\n\n/**\n * Returns adjusted last row index if selection covers part of a row with empty slots (spanned by other cells).\n * The `dimensions.lastRow` is equal to last row index but selection might be bigger.\n *\n * This happens *only* on rectangular selection so we analyze a case like this:\n *\n *        +---+---+---+---+\n *      0 | a | b | c | d |\n *        +   +   +---+---+\n *      1 |   | e | f | g |\n *        +   +---+   +---+\n *      2 |   | h |   | i | <- last row, each cell has rowspan = 2,\n *        +   +   +   +   +    so we need to return 3, not 2\n *      3 |   |   |   |   |\n *        +---+---+---+---+\n *\n * @param {module:engine/model/element~Element} table\n * @param {Object} dimensions\n * @param {Number} dimensions.firstRow\n * @param {Number} dimensions.firstColumn\n * @param {Number} dimensions.lastRow\n * @param {Number} dimensions.lastColumn\n * @returns {Number} Adjusted last row index.\n */\nexport function adjustLastRowIndex( table, dimensions ) {\n\tconst lastRowMap = Array.from( new TableWalker( table, {\n\t\tstartColumn: dimensions.firstColumn,\n\t\tendColumn: dimensions.lastColumn,\n\t\trow: dimensions.lastRow\n\t} ) );\n\n\tconst everyCellHasSingleRowspan = lastRowMap.every( ( { cellHeight } ) => cellHeight === 1 );\n\n\t// It is a \"flat\" row, so the last row index is OK.\n\tif ( everyCellHasSingleRowspan ) {\n\t\treturn dimensions.lastRow;\n\t}\n\n\t// Otherwise get any cell's rowspan and adjust the last row index.\n\tconst rowspanAdjustment = lastRowMap[ 0 ].cellHeight - 1;\n\treturn dimensions.lastRow + rowspanAdjustment;\n}\n\n/**\n * Returns adjusted last column index if selection covers part of a column with empty slots (spanned by other cells).\n * The `dimensions.lastColumn` is equal to last column index but selection might be bigger.\n *\n * This happens *only* on rectangular selection so we analyze a case like this:\n *\n *       0   1   2   3\n *     +---+---+---+---+\n *     | a             |\n *     +---+---+---+---+\n *     | b | c | d     |\n *     +---+---+---+---+\n *     | e     | f     |\n *     +---+---+---+---+\n *     | g | h         |\n *     +---+---+---+---+\n *               ^\n *              last column, each cell has colspan = 2, so we need to return 3, not 2\n *\n * @param {module:engine/model/element~Element} table\n * @param {Object} dimensions\n * @param {Number} dimensions.firstRow\n * @param {Number} dimensions.firstColumn\n * @param {Number} dimensions.lastRow\n * @param {Number} dimensions.lastColumn\n * @returns {Number} Adjusted last column index.\n */\nexport function adjustLastColumnIndex( table, dimensions ) {\n\tconst lastColumnMap = Array.from( new TableWalker( table, {\n\t\tstartRow: dimensions.firstRow,\n\t\tendRow: dimensions.lastRow,\n\t\tcolumn: dimensions.lastColumn\n\t} ) );\n\n\tconst everyCellHasSingleColspan = lastColumnMap.every( ( { cellWidth } ) => cellWidth === 1 );\n\n\t// It is a \"flat\" column, so the last column index is OK.\n\tif ( everyCellHasSingleColspan ) {\n\t\treturn dimensions.lastColumn;\n\t}\n\n\t// Otherwise get any cell's colspan and adjust the last column index.\n\tconst colspanAdjustment = lastColumnMap[ 0 ].cellWidth - 1;\n\treturn dimensions.lastColumn + colspanAdjustment;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/mergecellcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport TableWalker from '../tablewalker';\nimport { getTableCellsContainingSelection } from '../utils/selection';\nimport { isHeadingColumnCell } from '../utils/common';\nimport { removeEmptyRowsColumns } from '../utils/structure';\n\n/**\n * The merge cell command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'mergeTableCellRight'`, `'mergeTableCellLeft'`,\n * `'mergeTableCellUp'` and `'mergeTableCellDown'` editor commands.\n *\n * To merge a table cell at the current selection with another cell, execute the command corresponding with the preferred direction.\n *\n * For example, to merge with a cell to the right:\n *\n *\t\teditor.execute( 'mergeTableCellRight' );\n *\n * **Note**: If a table cell has a different [`rowspan`](https://www.w3.org/TR/html50/tabular-data.html#attr-tdth-rowspan)\n * (for `'mergeTableCellRight'` and `'mergeTableCellLeft'`) or [`colspan`](https://www.w3.org/TR/html50/tabular-data.html#attr-tdth-colspan)\n * (for `'mergeTableCellUp'` and `'mergeTableCellDown'`), the command will be disabled.\n *\n * @extends module:core/command~Command\n */\nexport default class MergeCellCommand extends Command {\n\t/**\n\t * Creates a new `MergeCellCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor on which this command will be used.\n\t * @param {Object} options\n\t * @param {String} options.direction Indicates which cell to merge with the currently selected one.\n\t * Possible values are: `'left'`, `'right'`, `'up'` and `'down'`.\n\t */\n\tconstructor( editor, options ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The direction that indicates which cell will be merged with the currently selected one.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} #direction\n\t\t */\n\t\tthis.direction = options.direction;\n\n\t\t/**\n\t\t * Whether the merge is horizontal (left/right) or vertical (up/down).\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isHorizontal\n\t\t */\n\t\tthis.isHorizontal = this.direction == 'right' || this.direction == 'left';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst cellToMerge = this._getMergeableCell();\n\n\t\tthis.value = cellToMerge;\n\t\tthis.isEnabled = !!cellToMerge;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * Depending on the command's {@link #direction} value, it will merge the cell that is to the `'left'`, `'right'`, `'up'` or `'down'`.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst tableCell = getTableCellsContainingSelection( doc.selection )[ 0 ];\n\n\t\tconst cellToMerge = this.value;\n\t\tconst direction = this.direction;\n\n\t\tmodel.change( writer => {\n\t\t\tconst isMergeNext = direction == 'right' || direction == 'down';\n\n\t\t\t// The merge mechanism is always the same so sort cells to be merged.\n\t\t\tconst cellToExpand = isMergeNext ? tableCell : cellToMerge;\n\t\t\tconst cellToRemove = isMergeNext ? cellToMerge : tableCell;\n\n\t\t\t// Cache the parent of cell to remove for later check.\n\t\t\tconst removedTableCellRow = cellToRemove.parent;\n\n\t\t\tmergeTableCells( cellToRemove, cellToExpand, writer );\n\n\t\t\tconst spanAttribute = this.isHorizontal ? 'colspan' : 'rowspan';\n\t\t\tconst cellSpan = parseInt( tableCell.getAttribute( spanAttribute ) || 1 );\n\t\t\tconst cellToMergeSpan = parseInt( cellToMerge.getAttribute( spanAttribute ) || 1 );\n\n\t\t\t// Update table cell span attribute and merge set selection on merged contents.\n\t\t\twriter.setAttribute( spanAttribute, cellSpan + cellToMergeSpan, cellToExpand );\n\t\t\twriter.setSelection( writer.createRangeIn( cellToExpand ) );\n\n\t\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\t\tconst table = removedTableCellRow.findAncestor( 'table' );\n\n\t\t\t// Remove empty rows and columns after merging.\n\t\t\tremoveEmptyRowsColumns( table, tableUtils );\n\t\t} );\n\t}\n\n\t/**\n\t * Returns a cell that can be merged with the current cell depending on the command's direction.\n\t *\n\t * @returns {module:engine/model/element~Element|undefined}\n\t * @private\n\t */\n\t_getMergeableCell() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst tableCell = getTableCellsContainingSelection( doc.selection )[ 0 ];\n\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\n\t\t// First get the cell on proper direction.\n\t\tconst cellToMerge = this.isHorizontal ?\n\t\t\tgetHorizontalCell( tableCell, this.direction, tableUtils ) :\n\t\t\tgetVerticalCell( tableCell, this.direction );\n\n\t\tif ( !cellToMerge ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If found check if the span perpendicular to merge direction is equal on both cells.\n\t\tconst spanAttribute = this.isHorizontal ? 'rowspan' : 'colspan';\n\t\tconst span = parseInt( tableCell.getAttribute( spanAttribute ) || 1 );\n\n\t\tconst cellToMergeSpan = parseInt( cellToMerge.getAttribute( spanAttribute ) || 1 );\n\n\t\tif ( cellToMergeSpan === span ) {\n\t\t\treturn cellToMerge;\n\t\t}\n\t}\n}\n\n// Returns the cell that can be merged horizontally.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @param {String} direction\n// @returns {module:engine/model/node~Node|null}\nfunction getHorizontalCell( tableCell, direction, tableUtils ) {\n\tconst tableRow = tableCell.parent;\n\tconst table = tableRow.parent;\n\tconst horizontalCell = direction == 'right' ? tableCell.nextSibling : tableCell.previousSibling;\n\tconst hasHeadingColumns = ( table.getAttribute( 'headingColumns' ) || 0 ) > 0;\n\n\tif ( !horizontalCell ) {\n\t\treturn;\n\t}\n\n\t// Sort cells:\n\tconst cellOnLeft = direction == 'right' ? tableCell : horizontalCell;\n\tconst cellOnRight = direction == 'right' ? horizontalCell : tableCell;\n\n\t// Get their column indexes:\n\tconst { column: leftCellColumn } = tableUtils.getCellLocation( cellOnLeft );\n\tconst { column: rightCellColumn } = tableUtils.getCellLocation( cellOnRight );\n\n\tconst leftCellSpan = parseInt( cellOnLeft.getAttribute( 'colspan' ) || 1 );\n\n\tconst isCellOnLeftInHeadingColumn = isHeadingColumnCell( tableUtils, cellOnLeft, table );\n\tconst isCellOnRightInHeadingColumn = isHeadingColumnCell( tableUtils, cellOnRight, table );\n\n\t// We cannot merge heading columns cells with regular cells.\n\tif ( hasHeadingColumns && isCellOnLeftInHeadingColumn != isCellOnRightInHeadingColumn ) {\n\t\treturn;\n\t}\n\n\t// The cell on the right must have index that is distant to the cell on the left by the left cell's width (colspan).\n\tconst cellsAreTouching = leftCellColumn + leftCellSpan === rightCellColumn;\n\n\t// If the right cell's column index is different it means that there are rowspanned cells between them.\n\treturn cellsAreTouching ? horizontalCell : undefined;\n}\n\n// Returns the cell that can be merged vertically.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @param {String} direction\n// @returns {module:engine/model/node~Node|null}\nfunction getVerticalCell( tableCell, direction ) {\n\tconst tableRow = tableCell.parent;\n\tconst table = tableRow.parent;\n\n\tconst rowIndex = table.getChildIndex( tableRow );\n\n\t// Don't search for mergeable cell if direction points out of the table.\n\tif ( ( direction == 'down' && rowIndex === table.childCount - 1 ) || ( direction == 'up' && rowIndex === 0 ) ) {\n\t\treturn;\n\t}\n\n\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\tconst isMergeWithBodyCell = direction == 'down' && ( rowIndex + rowspan ) === headingRows;\n\tconst isMergeWithHeadCell = direction == 'up' && rowIndex === headingRows;\n\n\t// Don't search for mergeable cell if direction points out of the current table section.\n\tif ( headingRows && ( isMergeWithBodyCell || isMergeWithHeadCell ) ) {\n\t\treturn;\n\t}\n\n\tconst currentCellRowSpan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\tconst rowOfCellToMerge = direction == 'down' ? rowIndex + currentCellRowSpan : rowIndex;\n\n\tconst tableMap = [ ...new TableWalker( table, { endRow: rowOfCellToMerge } ) ];\n\n\tconst currentCellData = tableMap.find( value => value.cell === tableCell );\n\tconst mergeColumn = currentCellData.column;\n\n\tconst cellToMergeData = tableMap.find( ( { row, cellHeight, column } ) => {\n\t\tif ( column !== mergeColumn ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( direction == 'down' ) {\n\t\t\t// If merging a cell below the mergeRow is already calculated.\n\t\t\treturn row === rowOfCellToMerge;\n\t\t} else {\n\t\t\t// If merging a cell above calculate if it spans to mergeRow.\n\t\t\treturn rowOfCellToMerge === row + cellHeight;\n\t\t}\n\t} );\n\n\treturn cellToMergeData && cellToMergeData.cell;\n}\n\n// Merges two table cells. It will ensure that after merging cells with an empty paragraph, the resulting table cell will only have one\n// paragraph. If one of the merged table cells is empty, the merged table cell will have the contents of the non-empty table cell.\n// If both are empty, the merged table cell will have only one empty paragraph.\n//\n// @param {module:engine/model/element~Element} cellToRemove\n// @param {module:engine/model/element~Element} cellToExpand\n// @param {module:engine/model/writer~Writer} writer\nfunction mergeTableCells( cellToRemove, cellToExpand, writer ) {\n\tif ( !isEmpty( cellToRemove ) ) {\n\t\tif ( isEmpty( cellToExpand ) ) {\n\t\t\twriter.remove( writer.createRangeIn( cellToExpand ) );\n\t\t}\n\n\t\twriter.move( writer.createRangeIn( cellToRemove ), writer.createPositionAt( cellToExpand, 'end' ) );\n\t}\n\n\t// Remove merged table cell.\n\twriter.remove( cellToRemove );\n}\n\n// Checks if the passed table cell contains an empty paragraph.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @returns {Boolean}\nfunction isEmpty( tableCell ) {\n\treturn tableCell.childCount == 1 && tableCell.getChild( 0 ).is( 'element', 'paragraph' ) && tableCell.getChild( 0 ).isEmpty;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/removerowcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport { getRowIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The remove row command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'removeTableRow'` editor command.\n *\n * To remove the row containing the selected cell, execute the command:\n *\n *\t\teditor.execute( 'removeTableRow' );\n *\n * @extends module:core/command~Command\n */\nexport default class RemoveRowCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\t\tconst firstCell = selectedCells[ 0 ];\n\n\t\tif ( firstCell ) {\n\t\t\tconst table = firstCell.findAncestor( 'table' );\n\t\t\tconst tableRowCount = this.editor.plugins.get( 'TableUtils' ).getRows( table );\n\t\t\tconst lastRowIndex = tableRowCount - 1;\n\n\t\t\tconst selectedRowIndexes = getRowIndexes( selectedCells );\n\n\t\t\tconst areAllRowsSelected = selectedRowIndexes.first === 0 && selectedRowIndexes.last === lastRowIndex;\n\n\t\t\t// Disallow selecting whole table -> delete whole table should be used instead.\n\t\t\tthis.isEnabled = !areAllRowsSelected;\n\t\t} else {\n\t\t\tthis.isEnabled = false;\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst referenceCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst removedRowIndexes = getRowIndexes( referenceCells );\n\n\t\tconst firstCell = referenceCells[ 0 ];\n\t\tconst table = firstCell.findAncestor( 'table' );\n\n\t\tconst columnIndexToFocus = this.editor.plugins.get( 'TableUtils' ).getCellLocation( firstCell ).column;\n\n\t\tmodel.change( writer => {\n\t\t\tconst rowsToRemove = removedRowIndexes.last - removedRowIndexes.first + 1;\n\n\t\t\tthis.editor.plugins.get( 'TableUtils' ).removeRows( table, {\n\t\t\t\tat: removedRowIndexes.first,\n\t\t\t\trows: rowsToRemove\n\t\t\t} );\n\n\t\t\tconst cellToFocus = getCellToFocus( table, removedRowIndexes.first, columnIndexToFocus );\n\n\t\t\twriter.setSelection( writer.createPositionAt( cellToFocus, 0 ) );\n\t\t} );\n\t}\n}\n\n// Returns a cell that should be focused before removing the row, belonging to the same column as the currently focused cell.\n// * If the row was not the last one, the cell to focus will be in the row that followed it (before removal).\n// * If the row was the last one, the cell to focus will be in the row that preceded it (before removal).\nfunction getCellToFocus( table, removedRowIndex, columnToFocus ) {\n\tconst row = table.getChild( removedRowIndex ) || table.getChild( table.childCount - 1 );\n\n\t// Default to first table cell.\n\tlet cellToFocus = row.getChild( 0 );\n\tlet column = 0;\n\n\tfor ( const tableCell of row.getChildren() ) {\n\t\tif ( column > columnToFocus ) {\n\t\t\treturn cellToFocus;\n\t\t}\n\n\t\tcellToFocus = tableCell;\n\t\tcolumn += parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\t}\n\n\treturn cellToFocus;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/removecolumncommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport TableWalker from '../tablewalker';\nimport { getColumnIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The remove column command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'removeTableColumn'` editor command.\n *\n * To remove the column containing the selected cell, execute the command:\n *\n *\t\teditor.execute( 'removeTableColumn' );\n *\n * @extends module:core/command~Command\n */\nexport default class RemoveColumnCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\t\tconst firstCell = selectedCells[ 0 ];\n\n\t\tif ( firstCell ) {\n\t\t\tconst table = firstCell.findAncestor( 'table' );\n\t\t\tconst tableColumnCount = this.editor.plugins.get( 'TableUtils' ).getColumns( table );\n\n\t\t\tconst { first, last } = getColumnIndexes( selectedCells );\n\n\t\t\tthis.isEnabled = last - first < ( tableColumnCount - 1 );\n\t\t} else {\n\t\t\tthis.isEnabled = false;\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst [ firstCell, lastCell ] = getBoundaryCells( this.editor.model.document.selection );\n\t\tconst table = firstCell.parent.parent;\n\n\t\t// Cache the table before removing or updating colspans.\n\t\tconst tableMap = [ ...new TableWalker( table ) ];\n\n\t\t// Store column indexes of removed columns.\n\t\tconst removedColumnIndexes = {\n\t\t\tfirst: tableMap.find( value => value.cell === firstCell ).column,\n\t\t\tlast: tableMap.find( value => value.cell === lastCell ).column\n\t\t};\n\n\t\tconst cellToFocus = getCellToFocus( tableMap, firstCell, lastCell, removedColumnIndexes );\n\n\t\tthis.editor.model.change( writer => {\n\t\t\tconst columnsToRemove = removedColumnIndexes.last - removedColumnIndexes.first + 1;\n\n\t\t\tthis.editor.plugins.get( 'TableUtils' ).removeColumns( table, {\n\t\t\t\tat: removedColumnIndexes.first,\n\t\t\t\tcolumns: columnsToRemove\n\t\t\t} );\n\n\t\t\twriter.setSelection( writer.createPositionAt( cellToFocus, 0 ) );\n\t\t} );\n\t}\n}\n\n// Returns a proper table cell to focus after removing a column.\n// - selection is on last table cell it will return previous cell.\nfunction getCellToFocus( tableMap, firstCell, lastCell, removedColumnIndexes ) {\n\tconst colspan = parseInt( lastCell.getAttribute( 'colspan' ) || 1 );\n\n\t// If the table cell is spanned over 2+ columns - it will be truncated so the selection should\n\t// stay in that cell.\n\tif ( colspan > 1 ) {\n\t\treturn lastCell;\n\t}\n\t// Normally, look for the cell in the same row that precedes the first cell to put selection there (\"column on the left\").\n\t// If the deleted column is the first column of the table, there will be no predecessor: use the cell\n\t// from the column that follows then (also in the same row).\n\telse if ( firstCell.previousSibling || lastCell.nextSibling ) {\n\t\treturn lastCell.nextSibling || firstCell.previousSibling;\n\t}\n\t// It can happen that table cells have no siblings in a row, for instance, when there are row spans\n\t// in the table (in the previous row). Then just look for the closest cell that is in a column\n\t// that will not be removed to put the selection there.\n\telse {\n\t\t// Look for any cell in a column that precedes the first removed column.\n\t\tif ( removedColumnIndexes.first ) {\n\t\t\treturn tableMap.reverse().find( ( { column } ) => {\n\t\t\t\treturn column < removedColumnIndexes.first;\n\t\t\t} ).cell;\n\t\t}\n\t\t// If the first removed column is the first column of the table, then\n\t\t// look for any cell that is in a column that follows the last removed column.\n\t\telse {\n\t\t\treturn tableMap.reverse().find( ( { column } ) => {\n\t\t\t\treturn column > removedColumnIndexes.last;\n\t\t\t} ).cell;\n\t\t}\n\t}\n}\n\n// Returns helper object returning the first and the last cell contained in given selection, based on DOM order.\nfunction getBoundaryCells( selection ) {\n\tconst referenceCells = getSelectionAffectedTableCells( selection );\n\tconst firstCell = referenceCells[ 0 ];\n\tconst lastCell = referenceCells.pop();\n\n\tconst returnValue = [ firstCell, lastCell ];\n\n\treturn firstCell.isBefore( lastCell ) ? returnValue : returnValue.reverse();\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/setheaderrowcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport { updateNumericAttribute } from '../utils/common';\nimport { getRowIndexes, getSelectionAffectedTableCells } from '../utils/selection';\nimport { getVerticallyOverlappingCells, splitHorizontally } from '../utils/structure';\n\n/**\n * The header row command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'setTableColumnHeader'` editor command.\n *\n * You can make the row containing the selected cell a [header](https://www.w3.org/TR/html50/tabular-data.html#the-th-element) by executing:\n *\n *\t\teditor.execute( 'setTableRowHeader' );\n *\n * **Note:** All preceding rows will also become headers. If the current row is already a header, executing this command\n * will make it a regular row back again (including the following rows).\n *\n * @extends module:core/command~Command\n */\nexport default class SetHeaderRowCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selectedCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst isInTable = selectedCells.length > 0;\n\n\t\tthis.isEnabled = isInTable;\n\n\t\t/**\n\t\t * Flag indicating whether the command is active. The command is active when the\n\t\t * {@link module:engine/model/selection~Selection} is in a header row.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #value\n\t\t */\n\t\tthis.value = isInTable && selectedCells.every( cell => this._isInHeading( cell, cell.parent.parent ) );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * When the selection is in a non-header row, the command will set the `headingRows` table attribute to cover that row.\n\t *\n\t * When the selection is already in a header row, it will set `headingRows` so the heading section will end before that row.\n\t *\n\t * @fires execute\n\t * @param {Object} options\n\t * @param {Boolean} [options.forceValue] If set, the command will set (`true`) or unset (`false`) the header rows according to\n\t * the `forceValue` parameter instead of the current model state.\n\t */\n\texecute( options = {} ) {\n\t\tif ( options.forceValue === this.value ) {\n\t\t\treturn;\n\t\t}\n\t\tconst model = this.editor.model;\n\t\tconst selectedCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst table = selectedCells[ 0 ].findAncestor( 'table' );\n\n\t\tconst { first, last } = getRowIndexes( selectedCells );\n\t\tconst headingRowsToSet = this.value ? first : last + 1;\n\t\tconst currentHeadingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( headingRowsToSet ) {\n\t\t\t\t// Changing heading rows requires to check if any of a heading cell is overlapping vertically the table head.\n\t\t\t\t// Any table cell that has a rowspan attribute > 1 will not exceed the table head so we need to fix it in rows below.\n\t\t\t\tconst startRow = headingRowsToSet > currentHeadingRows ? currentHeadingRows : 0;\n\t\t\t\tconst overlappingCells = getVerticallyOverlappingCells( table, headingRowsToSet, startRow );\n\n\t\t\t\tfor ( const { cell } of overlappingCells ) {\n\t\t\t\t\tsplitHorizontally( cell, headingRowsToSet, writer );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tupdateNumericAttribute( 'headingRows', headingRowsToSet, table, writer, 0 );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks if a table cell is in the heading section.\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @param {module:engine/model/element~Element} table\n\t * @returns {Boolean}\n\t * @private\n\t */\n\t_isInHeading( tableCell, table ) {\n\t\tconst headingRows = parseInt( table.getAttribute( 'headingRows' ) || 0 );\n\n\t\treturn !!headingRows && tableCell.parent.index < headingRows;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/setheadercolumncommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport {\n\tisHeadingColumnCell,\n\tupdateNumericAttribute\n} from '../utils/common';\nimport { getColumnIndexes, getSelectionAffectedTableCells } from '../utils/selection';\nimport { getHorizontallyOverlappingCells, splitVertically } from '../utils/structure';\n\n/**\n * The header column command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'setTableColumnHeader'` editor command.\n *\n * You can make the column containing the selected cell a [header](https://www.w3.org/TR/html50/tabular-data.html#the-th-element)\n * by executing:\n *\n *\t\teditor.execute( 'setTableColumnHeader' );\n *\n * **Note:** All preceding columns will also become headers. If the current column is already a header, executing this command\n * will make it a regular column back again (including the following columns).\n *\n * @extends module:core/command~Command\n */\nexport default class SetHeaderColumnCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selectedCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\tconst isInTable = selectedCells.length > 0;\n\n\t\tthis.isEnabled = isInTable;\n\n\t\t/**\n\t\t * Flag indicating whether the command is active. The command is active when the\n\t\t * {@link module:engine/model/selection~Selection} is in a header column.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #value\n\t\t */\n\t\tthis.value = isInTable && selectedCells.every( cell => isHeadingColumnCell( tableUtils, cell ) );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * When the selection is in a non-header column, the command will set the `headingColumns` table attribute to cover that column.\n\t *\n\t * When the selection is already in a header column, it will set `headingColumns` so the heading section will end before that column.\n\t *\n\t * @fires execute\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.forceValue] If set, the command will set (`true`) or unset (`false`) the header columns according to\n\t * the `forceValue` parameter instead of the current model state.\n\t */\n\texecute( options = {} ) {\n\t\tif ( options.forceValue === this.value ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\t\tconst selectedCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst table = selectedCells[ 0 ].findAncestor( 'table' );\n\n\t\tconst { first, last } = getColumnIndexes( selectedCells );\n\t\tconst headingColumnsToSet = this.value ? first : last + 1;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( headingColumnsToSet ) {\n\t\t\t\t// Changing heading columns requires to check if any of a heading cell is overlapping horizontally the table head.\n\t\t\t\t// Any table cell that has a colspan attribute > 1 will not exceed the table head so we need to fix it in columns before.\n\t\t\t\tconst overlappingCells = getHorizontallyOverlappingCells( table, headingColumnsToSet );\n\n\t\t\t\tfor ( const { cell, column } of overlappingCells ) {\n\t\t\t\t\tsplitVertically( cell, column, headingColumnsToSet, writer );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tupdateNumericAttribute( 'headingColumns', headingColumnsToSet, table, writer, 0 );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableutils\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport TableWalker from './tablewalker';\nimport { createEmptyTableCell, updateNumericAttribute } from './utils/common';\nimport { removeEmptyColumns, removeEmptyRows } from './utils/structure';\n\n/**\n * The table utilities plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableUtils extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableUtils';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tthis.decorate( 'insertColumns' );\n\t\tthis.decorate( 'insertRows' );\n\t}\n\n\t/**\n\t * Returns the table cell location as an object with table row and table column indexes.\n\t *\n\t * For instance, in the table below:\n\t *\n\t *\t\t    0   1   2   3\n\t *\t\t  +---+---+---+---+\n\t *\t\t0 | a     | b | c |\n\t *\t\t  +       +   +---+\n\t *\t\t1 |       |   | d |\n\t *\t\t  +---+---+   +---+\n\t *\t\t2 | e     |   | f |\n\t *\t\t  +---+---+---+---+\n\t *\n\t * the method will return:\n\t *\n\t *\t\tconst cellA = table.getNodeByPath( [ 0, 0 ] );\n\t *\t\teditor.plugins.get( 'TableUtils' ).getCellLocation( cellA );\n\t *\t\t// will return { row: 0, column: 0 }\n\t *\n\t *\t\tconst cellD = table.getNodeByPath( [ 1, 0 ] );\n\t *\t\teditor.plugins.get( 'TableUtils' ).getCellLocation( cellD );\n\t *\t\t// will return { row: 1, column: 3 }\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @returns {Object} Returns a `{row, column}` object.\n\t */\n\tgetCellLocation( tableCell ) {\n\t\tconst tableRow = tableCell.parent;\n\t\tconst table = tableRow.parent;\n\n\t\tconst rowIndex = table.getChildIndex( tableRow );\n\n\t\tconst tableWalker = new TableWalker( table, { row: rowIndex } );\n\n\t\tfor ( const { cell, row, column } of tableWalker ) {\n\t\t\tif ( cell === tableCell ) {\n\t\t\t\treturn { row, column };\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Creates an empty table with a proper structure. The table needs to be inserted into the model,\n\t * for example, by using the {@link module:engine/model/model~Model#insertContent} function.\n\t *\n\t *\t\tmodel.change( ( writer ) => {\n\t *\t\t\t// Create a table of 2 rows and 7 columns:\n\t *\t\t\tconst table = tableUtils.createTable( writer, { rows: 2, columns: 7 } );\n\t *\n\t *\t\t\t// Insert a table to the model at the best position taking the current selection:\n\t *\t\t\tmodel.insertContent( table );\n\t *\t\t}\n\t *\n\t * @param {module:engine/model/writer~Writer} writer The model writer.\n\t * @param {Object} options\n\t * @param {Number} [options.rows=2] The number of rows to create.\n\t * @param {Number} [options.columns=2] The number of columns to create.\n\t * @param {Number} [options.headingRows=0] The number of heading rows.\n\t * @param {Number} [options.headingColumns=0] The number of heading columns.\n\t * @returns {module:engine/model/element~Element} The created table element.\n\t */\n\tcreateTable( writer, options ) {\n\t\tconst table = writer.createElement( 'table' );\n\n\t\tconst rows = parseInt( options.rows ) || 2;\n\t\tconst columns = parseInt( options.columns ) || 2;\n\n\t\tcreateEmptyRows( writer, table, 0, rows, columns );\n\n\t\tif ( options.headingRows ) {\n\t\t\tupdateNumericAttribute( 'headingRows', options.headingRows, table, writer, 0 );\n\t\t}\n\n\t\tif ( options.headingColumns ) {\n\t\t\tupdateNumericAttribute( 'headingColumns', options.headingColumns, table, writer, 0 );\n\t\t}\n\n\t\treturn table;\n\t}\n\n\t/**\n\t * Inserts rows into a table.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).insertRows( table, { at: 1, rows: 2 } );\n\t *\n\t * Assuming the table on the left, the above code will transform it to the table on the right:\n\t *\n\t *\t\trow index\n\t *\t\t  0 +---+---+---+       `at` = 1,      +---+---+---+ 0\n\t *\t\t    | a | b | c |       `rows` = 2,    | a | b | c |\n\t *\t\t  1 +   +---+---+   <-- insert here    +   +---+---+ 1\n\t *\t\t    |   | d | e |                      |   |   |   |\n\t *\t\t  2 +   +---+---+       will give:     +   +---+---+ 2\n\t *\t\t    |   | f | g |                      |   |   |   |\n\t *\t\t  3 +---+---+---+                      +   +---+---+ 3\n\t *\t\t                                       |   | d | e |\n\t *\t\t                                       +   +---+---+ 4\n\t *\t\t                                       +   + f | g |\n\t *\t\t                                       +---+---+---+ 5\n\t *\n\t * @param {module:engine/model/element~Element} table The table model element where the rows will be inserted.\n\t * @param {Object} options\n\t * @param {Number} [options.at=0] The row index at which the rows will be inserted.\n\t * @param {Number} [options.rows=1] The number of rows to insert.\n\t * @param {Boolean|undefined} [options.copyStructureFromAbove] The flag for copying row structure. Note that\n\t * the row structure will not be copied if this option is not provided.\n\t */\n\tinsertRows( table, options = {} ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst insertAt = options.at || 0;\n\t\tconst rowsToInsert = options.rows || 1;\n\t\tconst isCopyStructure = options.copyStructureFromAbove !== undefined;\n\t\tconst copyStructureFrom = options.copyStructureFromAbove ? insertAt - 1 : insertAt;\n\n\t\tconst rows = this.getRows( table );\n\t\tconst columns = this.getColumns( table );\n\n\t\tmodel.change( writer => {\n\t\t\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\t\t\t// Inserting rows inside heading section requires to update `headingRows` attribute as the heading section will grow.\n\t\t\tif ( headingRows > insertAt ) {\n\t\t\t\tupdateNumericAttribute( 'headingRows', headingRows + rowsToInsert, table, writer, 0 );\n\t\t\t}\n\n\t\t\t// Inserting at the end or at the beginning of a table doesn't require to calculate anything special.\n\t\t\tif ( !isCopyStructure && ( insertAt === 0 || insertAt === rows ) ) {\n\t\t\t\tcreateEmptyRows( writer, table, insertAt, rowsToInsert, columns );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Iterate over all the rows above the inserted rows in order to check for the row-spanned cells.\n\t\t\tconst walkerEndRow = isCopyStructure ? Math.max( insertAt, copyStructureFrom ) : insertAt;\n\t\t\tconst tableIterator = new TableWalker( table, { endRow: walkerEndRow } );\n\n\t\t\t// Store spans of the reference row to reproduce it's structure. This array is column number indexed.\n\t\t\tconst rowColSpansMap = new Array( columns ).fill( 1 );\n\n\t\t\tfor ( const { row, column, cellHeight, cellWidth, cell } of tableIterator ) {\n\t\t\t\tconst lastCellRow = row + cellHeight - 1;\n\n\t\t\t\tconst isOverlappingInsertedRow = row < insertAt && insertAt <= lastCellRow;\n\t\t\t\tconst isReferenceRow = row <= copyStructureFrom && copyStructureFrom <= lastCellRow;\n\n\t\t\t\t// If the cell is row-spanned and overlaps the inserted row, then reserve space for it in the row map.\n\t\t\t\tif ( isOverlappingInsertedRow ) {\n\t\t\t\t\t// This cell overlaps the inserted rows so we need to expand it further.\n\t\t\t\t\twriter.setAttribute( 'rowspan', cellHeight + rowsToInsert, cell );\n\n\t\t\t\t\t// Mark this cell with negative number to indicate how many cells should be skipped when adding the new cells.\n\t\t\t\t\trowColSpansMap[ column ] = -cellWidth;\n\t\t\t\t}\n\t\t\t\t// Store the colspan from reference row.\n\t\t\t\telse if ( isCopyStructure && isReferenceRow ) {\n\t\t\t\t\trowColSpansMap[ column ] = cellWidth;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tfor ( let rowIndex = 0; rowIndex < rowsToInsert; rowIndex++ ) {\n\t\t\t\tconst tableRow = writer.createElement( 'tableRow' );\n\n\t\t\t\twriter.insert( tableRow, table, insertAt );\n\n\t\t\t\tfor ( let cellIndex = 0; cellIndex < rowColSpansMap.length; cellIndex++ ) {\n\t\t\t\t\tconst colspan = rowColSpansMap[ cellIndex ];\n\t\t\t\t\tconst insertPosition = writer.createPositionAt( tableRow, 'end' );\n\n\t\t\t\t\t// Insert the empty cell only if this slot is not row-spanned from any other cell.\n\t\t\t\t\tif ( colspan > 0 ) {\n\t\t\t\t\t\tcreateEmptyTableCell( writer, insertPosition, colspan > 1 ? { colspan } : null );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Skip the col-spanned slots, there won't be any cells.\n\t\t\t\t\tcellIndex += Math.abs( colspan ) - 1;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Inserts columns into a table.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).insertColumns( table, { at: 1, columns: 2 } );\n\t *\n\t * Assuming the table on the left, the above code will transform it to the table on the right:\n\t *\n\t *\t\t0   1   2   3                   0   1   2   3   4   5\n\t *\t\t+---+---+---+                   +---+---+---+---+---+\n\t *\t\t| a     | b |                   | a             | b |\n\t *\t\t+       +---+                   +               +---+\n\t *\t\t|       | c |                   |               | c |\n\t *\t\t+---+---+---+     will give:    +---+---+---+---+---+\n\t *\t\t| d | e | f |                   | d |   |   | e | f |\n\t *\t\t+---+   +---+                   +---+---+---+   +---+\n\t *\t\t| g |   | h |                   | g |   |   |   | h |\n\t *\t\t+---+---+---+                   +---+---+---+---+---+\n\t *\t\t| i         |                   | i                 |\n\t *\t\t+---+---+---+                   +---+---+---+---+---+\n\t *\t\t    ^---- insert here, `at` = 1, `columns` = 2\n\t *\n\t * @param {module:engine/model/element~Element} table The table model element where the columns will be inserted.\n\t * @param {Object} options\n\t * @param {Number} [options.at=0] The column index at which the columns will be inserted.\n\t * @param {Number} [options.columns=1] The number of columns to insert.\n\t */\n\tinsertColumns( table, options = {} ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst insertAt = options.at || 0;\n\t\tconst columnsToInsert = options.columns || 1;\n\n\t\tmodel.change( writer => {\n\t\t\tconst headingColumns = table.getAttribute( 'headingColumns' );\n\n\t\t\t// Inserting columns inside heading section requires to update `headingColumns` attribute as the heading section will grow.\n\t\t\tif ( insertAt < headingColumns ) {\n\t\t\t\twriter.setAttribute( 'headingColumns', headingColumns + columnsToInsert, table );\n\t\t\t}\n\n\t\t\tconst tableColumns = this.getColumns( table );\n\n\t\t\t// Inserting at the end and at the beginning of a table doesn't require to calculate anything special.\n\t\t\tif ( insertAt === 0 || tableColumns === insertAt ) {\n\t\t\t\tfor ( const tableRow of table.getChildren() ) {\n\t\t\t\t\tcreateCells( columnsToInsert, writer, writer.createPositionAt( tableRow, insertAt ? 'end' : 0 ) );\n\t\t\t\t}\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst tableWalker = new TableWalker( table, { column: insertAt, includeAllSlots: true } );\n\n\t\t\tfor ( const tableSlot of tableWalker ) {\n\t\t\t\tconst { row, cell, cellAnchorColumn, cellAnchorRow, cellWidth, cellHeight } = tableSlot;\n\n\t\t\t\t// When iterating over column the table walker outputs either:\n\t\t\t\t// - cells at given column index (cell \"e\" from method docs),\n\t\t\t\t// - spanned columns (spanned cell from row between cells \"g\" and \"h\" - spanned by \"e\", only if `includeAllSlots: true`),\n\t\t\t\t// - or a cell from the same row which spans over this column (cell \"a\").\n\n\t\t\t\tif ( cellAnchorColumn < insertAt ) {\n\t\t\t\t\t// If cell is anchored in previous column, it is a cell that spans over an inserted column (cell \"a\" & \"i\").\n\t\t\t\t\t// For such cells expand them by a number of columns inserted.\n\t\t\t\t\twriter.setAttribute( 'colspan', cellWidth + columnsToInsert, cell );\n\n\t\t\t\t\t// This cell will overlap cells in rows below so skip them (because of `includeAllSlots` option) - (cell \"a\")\n\t\t\t\t\tconst lastCellRow = cellAnchorRow + cellHeight - 1;\n\n\t\t\t\t\tfor ( let i = row; i <= lastCellRow; i++ ) {\n\t\t\t\t\t\ttableWalker.skipRow( i );\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t// It's either cell at this column index or spanned cell by a row-spanned cell from row above.\n\t\t\t\t\t// In table above it's cell \"e\" and a spanned position from row below (empty cell between cells \"g\" and \"h\")\n\t\t\t\t\tcreateCells( columnsToInsert, writer, tableSlot.getPositionBefore() );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Removes rows from the given `table`.\n\t *\n\t * This method re-calculates the table geometry including `rowspan` attribute of table cells overlapping removed rows\n\t * and table headings values.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).removeRows( table, { at: 1, rows: 2 } );\n\t *\n\t * Executing the above code in the context of the table on the left will transform its structure as presented on the right:\n\t *\n\t *\t\trow index\n\t *\t\t    ┌───┬───┬───┐        `at` = 1        ┌───┬───┬───┐\n\t *\t\t  0 │ a │ b │ c │        `rows` = 2      │ a │ b │ c │ 0\n\t *\t\t    │   ├───┼───┤                        │   ├───┼───┤\n\t *\t\t  1 │   │ d │ e │  <-- remove from here  │   │ d │ g │ 1\n\t *\t\t    │   │   ├───┤        will give:      ├───┼───┼───┤\n\t *\t\t  2 │   │   │ f │                        │ h │ i │ j │ 2\n\t *\t\t    │   │   ├───┤                        └───┴───┴───┘\n\t *\t\t  3 │   │   │ g │\n\t *\t\t    ├───┼───┼───┤\n\t *\t\t  4 │ h │ i │ j │\n\t *\t\t    └───┴───┴───┘\n\t *\n\t * @param {module:engine/model/element~Element} table\n\t * @param {Object} options\n\t * @param {Number} options.at The row index at which the removing rows will start.\n\t * @param {Number} [options.rows=1] The number of rows to remove.\n\t */\n\tremoveRows( table, options ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst rowsToRemove = options.rows || 1;\n\t\tconst first = options.at;\n\t\tconst last = first + rowsToRemove - 1;\n\n\t\tmodel.change( writer => {\n\t\t\t// Removing rows from the table require that most calculations to be done prior to changing table structure.\n\t\t\t// Preparations must be done in the same enqueueChange callback to use the current table structure.\n\n\t\t\t// 1. Preparation - get row-spanned cells that have to be modified after removing rows.\n\t\t\tconst { cellsToMove, cellsToTrim } = getCellsToMoveAndTrimOnRemoveRow( table, first, last );\n\n\t\t\t// 2. Execution\n\n\t\t\t// 2a. Move cells from removed rows that extends over a removed section - must be done before removing rows.\n\t\t\t// This will fill any gaps in a rows below that previously were empty because of row-spanned cells.\n\t\t\tif ( cellsToMove.size ) {\n\t\t\t\tconst rowAfterRemovedSection = last + 1;\n\t\t\t\tmoveCellsToRow( table, rowAfterRemovedSection, cellsToMove, writer );\n\t\t\t}\n\n\t\t\t// 2b. Remove all required rows.\n\t\t\tfor ( let i = last; i >= first; i-- ) {\n\t\t\t\twriter.remove( table.getChild( i ) );\n\t\t\t}\n\n\t\t\t// 2c. Update cells from rows above that overlap removed section. Similar to step 2 but does not involve moving cells.\n\t\t\tfor ( const { rowspan, cell } of cellsToTrim ) {\n\t\t\t\tupdateNumericAttribute( 'rowspan', rowspan, cell, writer );\n\t\t\t}\n\n\t\t\t// 2d. Adjust heading rows if removed rows were in a heading section.\n\t\t\tupdateHeadingRows( table, first, last, writer );\n\n\t\t\t// 2e. Remove empty columns (without anchored cells) if there are any.\n\t\t\tif ( !removeEmptyColumns( table, this ) ) {\n\t\t\t\t// If there wasn't any empty columns then we still need to check if this wasn't called\n\t\t\t\t// because of cleaning empty rows and we only removed one of them.\n\t\t\t\tremoveEmptyRows( table, this );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Removes columns from the given `table`.\n\t *\n\t * This method re-calculates the table geometry including the `colspan` attribute of table cells overlapping removed columns\n\t * and table headings values.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).removeColumns( table, { at: 1, columns: 2 } );\n\t *\n\t * Executing the above code in the context of the table on the left will transform its structure as presented on the right:\n\t *\n\t *\t\t  0   1   2   3   4                       0   1   2\n\t *\t\t┌───────────────┬───┐                   ┌───────┬───┐\n\t *\t\t│ a             │ b │                   │ a     │ b │\n\t *\t\t│               ├───┤                   │       ├───┤\n\t *\t\t│               │ c │                   │       │ c │\n\t *\t\t├───┬───┬───┬───┼───┤     will give:    ├───┬───┼───┤\n\t *\t\t│ d │ e │ f │ g │ h │                   │ d │ g │ h │\n\t *\t\t├───┼───┼───┤   ├───┤                   ├───┤   ├───┤\n\t *\t\t│ i │ j │ k │   │ l │                   │ i │   │ l │\n\t *\t\t├───┴───┴───┴───┴───┤                   ├───┴───┴───┤\n\t *\t\t│ m                 │                   │ m         │\n\t *\t\t└───────────────────┘                   └───────────┘\n\t *\t\t      ^---- remove from here, `at` = 1, `columns` = 2\n\t *\n\t * @param {module:engine/model/element~Element} table\n\t * @param {Object} options\n\t * @param {Number} options.at The row index at which the removing columns will start.\n\t * @param {Number} [options.columns=1] The number of columns to remove.\n\t */\n\tremoveColumns( table, options ) {\n\t\tconst model = this.editor.model;\n\t\tconst first = options.at;\n\t\tconst columnsToRemove = options.columns || 1;\n\t\tconst last = options.at + columnsToRemove - 1;\n\n\t\tmodel.change( writer => {\n\t\t\tadjustHeadingColumns( table, { first, last }, writer );\n\n\t\t\tfor ( let removedColumnIndex = last; removedColumnIndex >= first; removedColumnIndex-- ) {\n\t\t\t\tfor ( const { cell, column, cellWidth } of [ ...new TableWalker( table ) ] ) {\n\t\t\t\t\t// If colspaned cell overlaps removed column decrease its span.\n\t\t\t\t\tif ( column <= removedColumnIndex && cellWidth > 1 && column + cellWidth > removedColumnIndex ) {\n\t\t\t\t\t\tupdateNumericAttribute( 'colspan', cellWidth - 1, cell, writer );\n\t\t\t\t\t} else if ( column === removedColumnIndex ) {\n\t\t\t\t\t\t// The cell in removed column has colspan of 1.\n\t\t\t\t\t\twriter.remove( cell );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Remove empty rows that could appear after removing columns.\n\t\t\tif ( !removeEmptyRows( table, this ) ) {\n\t\t\t\t// If there wasn't any empty rows then we still need to check if this wasn't called\n\t\t\t\t// because of cleaning empty columns and we only removed one of them.\n\t\t\t\tremoveEmptyColumns( table, this );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Divides a table cell vertically into several ones.\n\t *\n\t * The cell will be visually split into more cells by updating colspans of other cells in a column\n\t * and inserting cells (columns) after that cell.\n\t *\n\t * In the table below, if cell \"a\" is split into 3 cells:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+---+---+---+\n\t *\t\t| d | e | f |\n\t *\t\t+---+---+---+\n\t *\n\t * it will result in the table below:\n\t *\n\t *\t\t+---+---+---+---+---+\n\t *\t\t| a |   |   | b | c |\n\t *\t\t+---+---+---+---+---+\n\t *\t\t| d         | e | f |\n\t *\t\t+---+---+---+---+---+\n\t *\n\t * So cell \"d\" will get its `colspan` updated to `3` and 2 cells will be added (2 columns will be created).\n\t *\n\t * Splitting a cell that already has a `colspan` attribute set will distribute the cell `colspan` evenly and the remainder\n\t * will be left to the original cell:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a         |\n\t *\t\t+---+---+---+\n\t *\t\t| b | c | d |\n\t *\t\t+---+---+---+\n\t *\n\t * Splitting cell \"a\" with `colspan=3` into 2 cells will create 1 cell with a `colspan=a` and cell \"a\" that will have `colspan=2`:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a     |   |\n\t *\t\t+---+---+---+\n\t *\t\t| b | c | d |\n\t *\t\t+---+---+---+\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @param {Number} numberOfCells\n\t */\n\tsplitCellVertically( tableCell, numberOfCells = 2 ) {\n\t\tconst model = this.editor.model;\n\t\tconst tableRow = tableCell.parent;\n\t\tconst table = tableRow.parent;\n\n\t\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\t\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\n\t\tmodel.change( writer => {\n\t\t\t// First check - the cell spans over multiple rows so before doing anything else just split this cell.\n\t\t\tif ( colspan > 1 ) {\n\t\t\t\t// Get spans of new (inserted) cells and span to update of split cell.\n\t\t\t\tconst { newCellsSpan, updatedSpan } = breakSpanEvenly( colspan, numberOfCells );\n\n\t\t\t\tupdateNumericAttribute( 'colspan', updatedSpan, tableCell, writer );\n\n\t\t\t\t// Each inserted cell will have the same attributes:\n\t\t\t\tconst newCellsAttributes = {};\n\n\t\t\t\t// Do not store default value in the model.\n\t\t\t\tif ( newCellsSpan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.colspan = newCellsSpan;\n\t\t\t\t}\n\n\t\t\t\t// Copy rowspan of split cell.\n\t\t\t\tif ( rowspan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.rowspan = rowspan;\n\t\t\t\t}\n\n\t\t\t\tconst cellsToInsert = colspan > numberOfCells ? numberOfCells - 1 : colspan - 1;\n\t\t\t\tcreateCells( cellsToInsert, writer, writer.createPositionAfter( tableCell ), newCellsAttributes );\n\t\t\t}\n\n\t\t\t// Second check - the cell has colspan of 1 or we need to create more cells then the currently one spans over.\n\t\t\tif ( colspan < numberOfCells ) {\n\t\t\t\tconst cellsToInsert = numberOfCells - colspan;\n\n\t\t\t\t// First step: expand cells on the same column as split cell.\n\t\t\t\tconst tableMap = [ ...new TableWalker( table ) ];\n\n\t\t\t\t// Get the column index of split cell.\n\t\t\t\tconst { column: splitCellColumn } = tableMap.find( ( { cell } ) => cell === tableCell );\n\n\t\t\t\t// Find cells which needs to be expanded vertically - those on the same column or those that spans over split cell's column.\n\t\t\t\tconst cellsToUpdate = tableMap.filter( ( { cell, cellWidth, column } ) => {\n\t\t\t\t\tconst isOnSameColumn = cell !== tableCell && column === splitCellColumn;\n\t\t\t\t\tconst spansOverColumn = ( column < splitCellColumn && column + cellWidth > splitCellColumn );\n\n\t\t\t\t\treturn isOnSameColumn || spansOverColumn;\n\t\t\t\t} );\n\n\t\t\t\t// Expand cells vertically.\n\t\t\t\tfor ( const { cell, cellWidth } of cellsToUpdate ) {\n\t\t\t\t\twriter.setAttribute( 'colspan', cellWidth + cellsToInsert, cell );\n\t\t\t\t}\n\n\t\t\t\t// Second step: create columns after split cell.\n\n\t\t\t\t// Each inserted cell will have the same attributes:\n\t\t\t\tconst newCellsAttributes = {};\n\n\t\t\t\t// Do not store default value in the model.\n\n\t\t\t\t// Copy rowspan of split cell.\n\t\t\t\tif ( rowspan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.rowspan = rowspan;\n\t\t\t\t}\n\n\t\t\t\tcreateCells( cellsToInsert, writer, writer.createPositionAfter( tableCell ), newCellsAttributes );\n\n\t\t\t\tconst headingColumns = table.getAttribute( 'headingColumns' ) || 0;\n\n\t\t\t\t// Update heading section if split cell is in heading section.\n\t\t\t\tif ( headingColumns > splitCellColumn ) {\n\t\t\t\t\tupdateNumericAttribute( 'headingColumns', headingColumns + cellsToInsert, table, writer );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Divides a table cell horizontally into several ones.\n\t *\n\t * The cell will be visually split into more cells by updating rowspans of other cells in the row and inserting rows with a single cell\n\t * below.\n\t *\n\t * If in the table below cell \"b\" is split into 3 cells:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+---+---+---+\n\t *\t\t| d | e | f |\n\t *\t\t+---+---+---+\n\t *\n\t * It will result in the table below:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+   +---+   +\n\t *\t\t|   |   |   |\n\t *\t\t+   +---+   +\n\t *\t\t|   |   |   |\n\t *\t\t+---+---+---+\n\t *\t\t| d | e | f |\n\t *\t\t+---+---+---+\n\t *\n\t * So cells \"a\" and \"b\" will get their `rowspan` updated to `3` and 2 rows with a single cell will be added.\n\t *\n\t * Splitting a cell that already has a `rowspan` attribute set will distribute the cell `rowspan` evenly and the remainder\n\t * will be left to the original cell:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+   +---+---+\n\t *\t\t|   | d | e |\n\t *\t\t+   +---+---+\n\t *\t\t|   | f | g |\n\t *\t\t+   +---+---+\n\t *\t\t|   | h | i |\n\t *\t\t+---+---+---+\n\t *\n\t * Splitting cell \"a\" with `rowspan=4` into 3 cells will create 2 cells with a `rowspan=1` and cell \"a\" will have `rowspan=2`:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+   +---+---+\n\t *\t\t|   | d | e |\n\t *\t\t+---+---+---+\n\t *\t\t|   | f | g |\n\t *\t\t+---+---+---+\n\t *\t\t|   | h | i |\n\t *\t\t+---+---+---+\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @param {Number} numberOfCells\n\t */\n\tsplitCellHorizontally( tableCell, numberOfCells = 2 ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst tableRow = tableCell.parent;\n\t\tconst table = tableRow.parent;\n\t\tconst splitCellRow = table.getChildIndex( tableRow );\n\n\t\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\t\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\n\t\tmodel.change( writer => {\n\t\t\t// First check - the cell spans over multiple rows so before doing anything else just split this cell.\n\t\t\tif ( rowspan > 1 ) {\n\t\t\t\t// Cache table map before updating table.\n\t\t\t\tconst tableMap = [ ...new TableWalker( table, {\n\t\t\t\t\tstartRow: splitCellRow,\n\t\t\t\t\tendRow: splitCellRow + rowspan - 1,\n\t\t\t\t\tincludeAllSlots: true\n\t\t\t\t} ) ];\n\n\t\t\t\t// Get spans of new (inserted) cells and span to update of split cell.\n\t\t\t\tconst { newCellsSpan, updatedSpan } = breakSpanEvenly( rowspan, numberOfCells );\n\n\t\t\t\tupdateNumericAttribute( 'rowspan', updatedSpan, tableCell, writer );\n\n\t\t\t\tconst { column: cellColumn } = tableMap.find( ( { cell } ) => cell === tableCell );\n\n\t\t\t\t// Each inserted cell will have the same attributes:\n\t\t\t\tconst newCellsAttributes = {};\n\n\t\t\t\t// Do not store default value in the model.\n\t\t\t\tif ( newCellsSpan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.rowspan = newCellsSpan;\n\t\t\t\t}\n\n\t\t\t\t// Copy colspan of split cell.\n\t\t\t\tif ( colspan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.colspan = colspan;\n\t\t\t\t}\n\n\t\t\t\tfor ( const tableSlot of tableMap ) {\n\t\t\t\t\tconst { column, row } = tableSlot;\n\n\t\t\t\t\t// As both newly created cells and the split cell might have rowspan,\n\t\t\t\t\t// the insertion of new cells must go to appropriate rows:\n\t\t\t\t\t//\n\t\t\t\t\t// 1. It's a row after split cell + it's height.\n\t\t\t\t\tconst isAfterSplitCell = row >= splitCellRow + updatedSpan;\n\t\t\t\t\t// 2. Is on the same column.\n\t\t\t\t\tconst isOnSameColumn = column === cellColumn;\n\t\t\t\t\t// 3. And it's row index is after previous cell height.\n\t\t\t\t\tconst isInEvenlySplitRow = ( row + splitCellRow + updatedSpan ) % newCellsSpan === 0;\n\n\t\t\t\t\tif ( isAfterSplitCell && isOnSameColumn && isInEvenlySplitRow ) {\n\t\t\t\t\t\tcreateCells( 1, writer, tableSlot.getPositionBefore(), newCellsAttributes );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Second check - the cell has rowspan of 1 or we need to create more cells than the current cell spans over.\n\t\t\tif ( rowspan < numberOfCells ) {\n\t\t\t\t// We already split the cell in check one so here we split to the remaining number of cells only.\n\t\t\t\tconst cellsToInsert = numberOfCells - rowspan;\n\n\t\t\t\t// This check is needed since we need to check if there are any cells from previous rows than spans over this cell's row.\n\t\t\t\tconst tableMap = [ ...new TableWalker( table, { startRow: 0, endRow: splitCellRow } ) ];\n\n\t\t\t\t// First step: expand cells.\n\t\t\t\tfor ( const { cell, cellHeight, row } of tableMap ) {\n\t\t\t\t\t// Expand rowspan of cells that are either:\n\t\t\t\t\t// - on the same row as current cell,\n\t\t\t\t\t// - or are below split cell row and overlaps that row.\n\t\t\t\t\tif ( cell !== tableCell && row + cellHeight > splitCellRow ) {\n\t\t\t\t\t\tconst rowspanToSet = cellHeight + cellsToInsert;\n\n\t\t\t\t\t\twriter.setAttribute( 'rowspan', rowspanToSet, cell );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Second step: create rows with single cell below split cell.\n\t\t\t\tconst newCellsAttributes = {};\n\n\t\t\t\t// Copy colspan of split cell.\n\t\t\t\tif ( colspan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.colspan = colspan;\n\t\t\t\t}\n\n\t\t\t\tcreateEmptyRows( writer, table, splitCellRow + 1, cellsToInsert, 1, newCellsAttributes );\n\n\t\t\t\t// Update heading section if split cell is in heading section.\n\t\t\t\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\t\t\t\tif ( headingRows > splitCellRow ) {\n\t\t\t\t\tupdateNumericAttribute( 'headingRows', headingRows + cellsToInsert, table, writer );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the number of columns for a given table.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).getColumns( table );\n\t *\n\t * @param {module:engine/model/element~Element} table The table to analyze.\n\t * @returns {Number}\n\t */\n\tgetColumns( table ) {\n\t\t// Analyze first row only as all the rows should have the same width.\n\t\tconst row = table.getChild( 0 );\n\n\t\treturn [ ...row.getChildren() ].reduce( ( columns, row ) => {\n\t\t\tconst columnWidth = parseInt( row.getAttribute( 'colspan' ) || 1 );\n\n\t\t\treturn columns + columnWidth;\n\t\t}, 0 );\n\t}\n\n\t/**\n\t * Returns the number of rows for a given table.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).getRows( table );\n\t *\n\t * @param {module:engine/model/element~Element} table The table to analyze.\n\t * @returns {Number}\n\t */\n\tgetRows( table ) {\n\t\t// Simple row counting, not including rowspan due to #6427.\n\t\treturn table.childCount;\n\t}\n}\n\n// Creates empty rows at the given index in an existing table.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/element~Element} table\n// @param {Number} insertAt The row index of row insertion.\n// @param {Number} rows The number of rows to create.\n// @param {Number} tableCellToInsert The number of cells to insert in each row.\nfunction createEmptyRows( writer, table, insertAt, rows, tableCellToInsert, attributes = {} ) {\n\tfor ( let i = 0; i < rows; i++ ) {\n\t\tconst tableRow = writer.createElement( 'tableRow' );\n\n\t\twriter.insert( tableRow, table, insertAt );\n\n\t\tcreateCells( tableCellToInsert, writer, writer.createPositionAt( tableRow, 'end' ), attributes );\n\t}\n}\n\n// Creates cells at a given position.\n//\n// @param {Number} columns The number of columns to create\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/position~Position} insertPosition\nfunction createCells( cells, writer, insertPosition, attributes = {} ) {\n\tfor ( let i = 0; i < cells; i++ ) {\n\t\tcreateEmptyTableCell( writer, insertPosition, attributes );\n\t}\n}\n\n// Evenly distributes the span of a cell to a number of provided cells.\n// The resulting spans will always be integer values.\n//\n// For instance breaking a span of 7 into 3 cells will return:\n//\n//\t\t{ newCellsSpan: 2, updatedSpan: 3 }\n//\n// as two cells will have a span of 2 and the remainder will go the first cell so its span will change to 3.\n//\n// @param {Number} span The span value do break.\n// @param {Number} numberOfCells The number of resulting spans.\n// @returns {{newCellsSpan: Number, updatedSpan: Number}}\nfunction breakSpanEvenly( span, numberOfCells ) {\n\tif ( span < numberOfCells ) {\n\t\treturn { newCellsSpan: 1, updatedSpan: 1 };\n\t}\n\n\tconst newCellsSpan = Math.floor( span / numberOfCells );\n\tconst updatedSpan = ( span - newCellsSpan * numberOfCells ) + newCellsSpan;\n\n\treturn { newCellsSpan, updatedSpan };\n}\n\n// Updates heading columns attribute if removing a row from head section.\nfunction adjustHeadingColumns( table, removedColumnIndexes, writer ) {\n\tconst headingColumns = table.getAttribute( 'headingColumns' ) || 0;\n\n\tif ( headingColumns && removedColumnIndexes.first < headingColumns ) {\n\t\tconst headingsRemoved = Math.min( headingColumns - 1 /* Other numbers are 0-based */, removedColumnIndexes.last ) -\n\t\t\tremovedColumnIndexes.first + 1;\n\n\t\twriter.setAttribute( 'headingColumns', headingColumns - headingsRemoved, table );\n\t}\n}\n\n// Calculates a new heading rows value for removing rows from heading section.\nfunction updateHeadingRows( table, first, last, writer ) {\n\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\tif ( first < headingRows ) {\n\t\tconst newRows = last < headingRows ? headingRows - ( last - first + 1 ) : first;\n\n\t\tupdateNumericAttribute( 'headingRows', newRows, table, writer, 0 );\n\t}\n}\n\n// Finds cells that will be:\n// - trimmed - Cells that are \"above\" removed rows sections and overlap the removed section - their rowspan must be trimmed.\n// - moved - Cells from removed rows section might stick out of. These cells are moved to the next row after a removed section.\n//\n// Sample table with overlapping & sticking out cells:\n//\n//      +----+----+----+----+----+\n//      | 00 | 01 | 02 | 03 | 04 |\n//      +----+    +    +    +    +\n//      | 10 |    |    |    |    |\n//      +----+----+    +    +    +\n//      | 20 | 21 |    |    |    | <-- removed row\n//      +    +    +----+    +    +\n//      |    |    | 32 |    |    | <-- removed row\n//      +----+    +    +----+    +\n//      | 40 |    |    | 43 |    |\n//      +----+----+----+----+----+\n//\n// In a table above:\n// - cells to trim: '02', '03' & '04'.\n// - cells to move: '21' & '32'.\nfunction getCellsToMoveAndTrimOnRemoveRow( table, first, last ) {\n\tconst cellsToMove = new Map();\n\tconst cellsToTrim = [];\n\n\tfor ( const { row, column, cellHeight, cell } of new TableWalker( table, { endRow: last } ) ) {\n\t\tconst lastRowOfCell = row + cellHeight - 1;\n\n\t\tconst isCellStickingOutFromRemovedRows = row >= first && row <= last && lastRowOfCell > last;\n\n\t\tif ( isCellStickingOutFromRemovedRows ) {\n\t\t\tconst rowspanInRemovedSection = last - row + 1;\n\t\t\tconst rowSpanToSet = cellHeight - rowspanInRemovedSection;\n\n\t\t\tcellsToMove.set( column, {\n\t\t\t\tcell,\n\t\t\t\trowspan: rowSpanToSet\n\t\t\t} );\n\t\t}\n\n\t\tconst isCellOverlappingRemovedRows = row < first && lastRowOfCell >= first;\n\n\t\tif ( isCellOverlappingRemovedRows ) {\n\t\t\tlet rowspanAdjustment;\n\n\t\t\t// Cell fully covers removed section - trim it by removed rows count.\n\t\t\tif ( lastRowOfCell >= last ) {\n\t\t\t\trowspanAdjustment = last - first + 1;\n\t\t\t}\n\t\t\t// Cell partially overlaps removed section - calculate cell's span that is in removed section.\n\t\t\telse {\n\t\t\t\trowspanAdjustment = lastRowOfCell - first + 1;\n\t\t\t}\n\n\t\t\tcellsToTrim.push( {\n\t\t\t\tcell,\n\t\t\t\trowspan: cellHeight - rowspanAdjustment\n\t\t\t} );\n\t\t}\n\t}\n\treturn { cellsToMove, cellsToTrim };\n}\n\nfunction moveCellsToRow( table, targetRowIndex, cellsToMove, writer ) {\n\tconst tableWalker = new TableWalker( table, {\n\t\tincludeAllSlots: true,\n\t\trow: targetRowIndex\n\t} );\n\n\tconst tableRowMap = [ ...tableWalker ];\n\tconst row = table.getChild( targetRowIndex );\n\n\tlet previousCell;\n\n\tfor ( const { column, cell, isAnchor } of tableRowMap ) {\n\t\tif ( cellsToMove.has( column ) ) {\n\t\t\tconst { cell: cellToMove, rowspan } = cellsToMove.get( column );\n\n\t\t\tconst targetPosition = previousCell ?\n\t\t\t\twriter.createPositionAfter( previousCell ) :\n\t\t\t\twriter.createPositionAt( row, 0 );\n\n\t\t\twriter.move( writer.createRangeOn( cellToMove ), targetPosition );\n\t\t\tupdateNumericAttribute( 'rowspan', rowspan, cellToMove, writer );\n\n\t\t\tpreviousCell = cellToMove;\n\t\t} else if ( isAnchor ) {\n\t\t\t// If cell is spanned then `cell` holds reference to overlapping cell. See ckeditor/ckeditor5#6502.\n\t\t\tpreviousCell = cell;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/mergecellscommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport TableUtils from '../tableutils';\nimport { getSelectedTableCells, isSelectionRectangular } from '../utils/selection';\nimport { updateNumericAttribute } from '../utils/common';\nimport { removeEmptyRowsColumns } from '../utils/structure';\n\n/**\n * The merge cells command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'mergeTableCells'` editor command.\n *\n * For example, to merge selected table cells:\n *\n *\t\teditor.execute( 'mergeTableCells' );\n *\n * @extends module:core/command~Command\n */\nexport default class MergeCellsCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedTableCells = getSelectedTableCells( this.editor.model.document.selection );\n\t\tthis.isEnabled = isSelectionRectangular( selectedTableCells, this.editor.plugins.get( TableUtils ) );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst tableUtils = this.editor.plugins.get( TableUtils );\n\n\t\tmodel.change( writer => {\n\t\t\tconst selectedTableCells = getSelectedTableCells( model.document.selection );\n\n\t\t\t// All cells will be merged into the first one.\n\t\t\tconst firstTableCell = selectedTableCells.shift();\n\n\t\t\t// Update target cell dimensions.\n\t\t\tconst { mergeWidth, mergeHeight } = getMergeDimensions( firstTableCell, selectedTableCells, tableUtils );\n\t\t\tupdateNumericAttribute( 'colspan', mergeWidth, firstTableCell, writer );\n\t\t\tupdateNumericAttribute( 'rowspan', mergeHeight, firstTableCell, writer );\n\n\t\t\tfor ( const tableCell of selectedTableCells ) {\n\t\t\t\tmergeTableCells( tableCell, firstTableCell, writer );\n\t\t\t}\n\n\t\t\tconst table = firstTableCell.findAncestor( 'table' );\n\n\t\t\t// Remove rows and columns that become empty (have no anchored cells).\n\t\t\tremoveEmptyRowsColumns( table, tableUtils );\n\n\t\t\twriter.setSelection( firstTableCell, 'in' );\n\t\t} );\n\t}\n}\n\n// Merges two table cells. It will ensure that after merging cells with empty paragraphs the resulting table cell will only have one\n// paragraph. If one of the merged table cells is empty, the merged table cell will have contents of the non-empty table cell.\n// If both are empty, the merged table cell will have only one empty paragraph.\n//\n// @param {module:engine/model/element~Element} cellBeingMerged\n// @param {module:engine/model/element~Element} targetCell\n// @param {module:engine/model/writer~Writer} writer\nfunction mergeTableCells( cellBeingMerged, targetCell, writer ) {\n\tif ( !isEmpty( cellBeingMerged ) ) {\n\t\tif ( isEmpty( targetCell ) ) {\n\t\t\twriter.remove( writer.createRangeIn( targetCell ) );\n\t\t}\n\n\t\twriter.move( writer.createRangeIn( cellBeingMerged ), writer.createPositionAt( targetCell, 'end' ) );\n\t}\n\n\t// Remove merged table cell.\n\twriter.remove( cellBeingMerged );\n}\n\n// Checks if the passed table cell contains an empty paragraph.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @returns {Boolean}\nfunction isEmpty( tableCell ) {\n\treturn tableCell.childCount == 1 && tableCell.getChild( 0 ).is( 'element', 'paragraph' ) && tableCell.getChild( 0 ).isEmpty;\n}\n\nfunction getMergeDimensions( firstTableCell, selectedTableCells, tableUtils ) {\n\tlet maxWidthOffset = 0;\n\tlet maxHeightOffset = 0;\n\n\tfor ( const tableCell of selectedTableCells ) {\n\t\tconst { row, column } = tableUtils.getCellLocation( tableCell );\n\n\t\tmaxWidthOffset = getMaxOffset( tableCell, column, maxWidthOffset, 'colspan' );\n\t\tmaxHeightOffset = getMaxOffset( tableCell, row, maxHeightOffset, 'rowspan' );\n\t}\n\n\t// Update table cell span attribute and merge set selection on a merged contents.\n\tconst { row: firstCellRow, column: firstCellColumn } = tableUtils.getCellLocation( firstTableCell );\n\n\tconst mergeWidth = maxWidthOffset - firstCellColumn;\n\tconst mergeHeight = maxHeightOffset - firstCellRow;\n\n\treturn { mergeWidth, mergeHeight };\n}\n\nfunction getMaxOffset( tableCell, start, currentMaxOffset, which ) {\n\tconst dimensionValue = parseInt( tableCell.getAttribute( which ) || 1 );\n\n\treturn Math.max( currentMaxOffset, start + dimensionValue );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/selectrowcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport { getRowIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The select row command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'selectTableRow'` editor command.\n *\n * To select the rows containing the selected cells, execute the command:\n *\n *\t\teditor.execute( 'selectTableRow' );\n *\n * @extends module:core/command~Command\n */\nexport default class SelectRowCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\n\t\tthis.isEnabled = selectedCells.length > 0;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst referenceCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst rowIndexes = getRowIndexes( referenceCells );\n\n\t\tconst table = referenceCells[ 0 ].findAncestor( 'table' );\n\t\tconst rangesToSelect = [];\n\n\t\tfor ( let rowIndex = rowIndexes.first; rowIndex <= rowIndexes.last; rowIndex++ ) {\n\t\t\tfor ( const cell of table.getChild( rowIndex ).getChildren() ) {\n\t\t\t\trangesToSelect.push( model.createRangeOn( cell ) );\n\t\t\t}\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setSelection( rangesToSelect );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/selectcolumncommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport TableWalker from '../tablewalker';\nimport { getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The select column command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'selectTableColumn'` editor command.\n *\n * To select the columns containing the selected cells, execute the command:\n *\n *\t\teditor.execute( 'selectTableColumn' );\n *\n * @extends module:core/command~Command\n */\nexport default class SelectColumnCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\n\t\tthis.isEnabled = selectedCells.length > 0;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst referenceCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst firstCell = referenceCells[ 0 ];\n\t\tconst lastCell = referenceCells.pop();\n\t\tconst table = firstCell.findAncestor( 'table' );\n\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\tconst startLocation = tableUtils.getCellLocation( firstCell );\n\t\tconst endLocation = tableUtils.getCellLocation( lastCell );\n\n\t\tconst startColumn = Math.min( startLocation.column, endLocation.column );\n\t\tconst endColumn = Math.max( startLocation.column, endLocation.column );\n\n\t\tconst rangesToSelect = [];\n\n\t\tfor ( const cellInfo of new TableWalker( table, { startColumn, endColumn } ) ) {\n\t\t\trangesToSelect.push( model.createRangeOn( cellInfo.cell ) );\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setSelection( rangesToSelect );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/table-layout-post-fixer\n */\n\nimport TableWalker from './../tablewalker';\nimport { createEmptyTableCell, updateNumericAttribute } from '../utils/common';\n\n/**\n * Injects a table layout post-fixer into the model.\n *\n * The role of the table layout post-fixer is to ensure that the table rows have the correct structure\n * after a {@link module:engine/model/model~Model#change `change()`} block was executed.\n *\n * The correct structure means that:\n *\n * * All table rows have the same size.\n * * None of the table cells extend vertically beyond their section (either header or body).\n * * A table cell has always at least one element as a child.\n *\n * If the table structure is not correct, the post-fixer will automatically correct it in two steps:\n *\n * 1. It will clip table cells that extend beyond their section.\n * 2. It will add empty table cells to the rows that are narrower than the widest table row.\n *\n * ## Clipping overlapping table cells\n *\n * Such situation may occur when pasting a table (or a part of a table) to the editor from external sources.\n *\n * For example, see the following table which has a cell (FOO) with the rowspan attribute (2):\n *\n *\t\t<table headingRows=\"1\">\n *\t\t\t<tableRow>\n *\t\t\t\t<tableCell rowspan=\"2\"><paragraph>FOO</paragraph></tableCell>\n *\t\t\t\t<tableCell colspan=\"2\"><paragraph>BAR</paragraph></tableCell>\n *\t\t\t</tableRow>\n *\t\t\t<tableRow>\n *\t\t\t\t<tableCell><paragraph>BAZ</paragraph></tableCell>\n *\t\t\t\t<tableCell><paragraph>XYZ</paragraph></tableCell>\n *\t\t\t</tableRow>\n *\t\t</table>\n *\n * It will be rendered in the view as:\n *\n *\t\t<table>\n *\t\t\t<thead>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td rowspan=\"2\">FOO</td>\n *\t\t\t\t\t<td colspan=\"2\">BAR</td>\n *\t\t\t\t</tr>\n *\t\t\t</thead>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>BAZ</td>\n *\t\t\t\t\t<td>XYZ</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * In the above example the table will be rendered as a table with two rows: one in the header and second one in the body.\n * The table cell (FOO) cannot span over multiple rows as it would extend from the header to the body section.\n * The `rowspan` attribute must be changed to (1). The value (1) is the default value of the `rowspan` attribute\n * so the `rowspan` attribute will be removed from the model.\n *\n * The table cell with BAZ in the content will be in the first column of the table.\n *\n * ## Adding missing table cells\n *\n * The table post-fixer will insert empty table cells to equalize table row sizes (the number of columns).\n * The size of a table row is calculated by counting column spans of table cells, both horizontal (from the same row) and\n * vertical (from the rows above).\n *\n * In the above example, the table row in the body section of the table is narrower then the row from the header: it has two cells\n * with the default colspan (1). The header row has one cell with colspan (1) and the second with colspan (2).\n * The table cell (FOO) does not extend beyond the head section (and as such will be fixed in the first step of this post-fixer).\n * The post-fixer will add a missing table cell to the row in the body section of the table.\n *\n * The table from the above example will be fixed and rendered to the view as below:\n *\n *\t\t<table>\n *\t\t\t<thead>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td rowspan=\"2\">FOO</td>\n *\t\t\t\t\t<td colspan=\"2\">BAR</td>\n *\t\t\t\t</tr>\n *\t\t\t</thead>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>BAZ</td>\n *\t\t\t\t\t<td>XYZ</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * ## Collaboration and undo - Expectations vs post-fixer results\n *\n * The table post-fixer only ensures proper structure without a deeper analysis of the nature of the change. As such, it might lead\n * to a structure which was not intended by the user. In particular, it will also fix undo steps (in conjunction with collaboration)\n * in which the editor content might not return to the original state.\n *\n * This will usually happen when one or more users change the size of the table.\n *\n * As an example see the table below:\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * and the user actions:\n *\n * 1. Both users have a table with two rows and two columns.\n * 2. User A adds a column at the end of the table. This will insert empty table cells to two rows.\n * 3. User B adds a row at the end of the table. This will insert a row with two empty table cells.\n * 4. Both users will have a table as below:\n *\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t\t<td>(empty, inserted by A)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t\t<td>(empty, inserted by A)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * The last row is shorter then others so the table post-fixer will add an empty row to the last row:\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t\t<td>(empty, inserted by A)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t\t<td>(empty, inserted by A)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by the post-fixer)</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * Unfortunately undo does not know the nature of the changes and depending on which user applies the post-fixer changes, undoing them\n * might lead to a broken table. If User B undoes inserting the column to the table, the undo engine will undo only the operations of\n * inserting empty cells to rows from the initial table state (row 1 and 2) but the cell in the post-fixed row will remain:\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by a post-fixer)</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * After undo, the table post-fixer will detect that two rows are shorter than others and will fix the table to:\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t\t<td>(empty, inserted by a post-fixer after undo)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t\t<td>(empty, inserted by a post-fixer after undo)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by a post-fixer)</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n * @param {module:engine/model/model~Model} model\n */\nexport default function injectTableLayoutPostFixer( model ) {\n\tmodel.document.registerPostFixer( writer => tableLayoutPostFixer( writer, model ) );\n}\n\n// The table layout post-fixer.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/model~Model} model\nfunction tableLayoutPostFixer( writer, model ) {\n\tconst changes = model.document.differ.getChanges();\n\n\tlet wasFixed = false;\n\n\t// Do not analyze the same table more then once - may happen for multiple changes in the same table.\n\tconst analyzedTables = new Set();\n\n\tfor ( const entry of changes ) {\n\t\tlet table;\n\n\t\tif ( entry.name == 'table' && entry.type == 'insert' ) {\n\t\t\ttable = entry.position.nodeAfter;\n\t\t}\n\n\t\t// Fix table on adding/removing table cells and rows.\n\t\tif ( entry.name == 'tableRow' || entry.name == 'tableCell' ) {\n\t\t\ttable = entry.position.findAncestor( 'table' );\n\t\t}\n\n\t\t// Fix table on any table's attribute change - including attributes of table cells.\n\t\tif ( isTableAttributeEntry( entry ) ) {\n\t\t\ttable = entry.range.start.findAncestor( 'table' );\n\t\t}\n\n\t\tif ( table && !analyzedTables.has( table ) ) {\n\t\t\t// Step 1: correct rowspans of table cells if necessary.\n\t\t\t// The wasFixed flag should be true if any of tables in batch was fixed - might be more then one.\n\t\t\twasFixed = fixTableCellsRowspan( table, writer ) || wasFixed;\n\t\t\t// Step 2: fix table rows sizes.\n\t\t\twasFixed = fixTableRowsSizes( table, writer ) || wasFixed;\n\n\t\t\tanalyzedTables.add( table );\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Fixes the invalid value of the `rowspan` attribute because a table cell cannot vertically extend beyond the table section it belongs to.\n//\n// @param {module:engine/model/element~Element} table\n// @param {module:engine/model/writer~Writer} writer\n// @returns {Boolean} Returns `true` if the table was fixed.\nfunction fixTableCellsRowspan( table, writer ) {\n\tlet wasFixed = false;\n\n\tconst cellsToTrim = findCellsToTrim( table );\n\n\tif ( cellsToTrim.length ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: trimming cells row-spans (${ cellsToTrim.length }).` );\n\n\t\twasFixed = true;\n\n\t\tfor ( const data of cellsToTrim ) {\n\t\t\tupdateNumericAttribute( 'rowspan', data.rowspan, data.cell, writer, 1 );\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Makes all table rows in a table the same size.\n//\n// @param {module:engine/model/element~Element} table\n// @param {module:engine/model/writer~Writer} writer\n// @returns {Boolean} Returns `true` if the table was fixed.\nfunction fixTableRowsSizes( table, writer ) {\n\tlet wasFixed = false;\n\n\tconst rowsLengths = getRowsLengths( table );\n\tconst rowsToRemove = [];\n\n\t// Find empty rows.\n\tfor ( const [ rowIndex, size ] of rowsLengths.entries() ) {\n\t\tif ( !size ) {\n\t\t\trowsToRemove.push( rowIndex );\n\t\t}\n\t}\n\n\t// Remove empty rows.\n\tif ( rowsToRemove.length ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: remove empty rows (${ rowsToRemove.length }).` );\n\n\t\twasFixed = true;\n\n\t\tfor ( const rowIndex of rowsToRemove.reverse() ) {\n\t\t\twriter.remove( table.getChild( rowIndex ) );\n\t\t\trowsLengths.splice( rowIndex, 1 );\n\t\t}\n\t}\n\n\t// Verify if all the rows have the same number of columns.\n\tconst tableSize = rowsLengths[ 0 ];\n\tconst isValid = rowsLengths.every( length => length === tableSize );\n\n\tif ( !isValid ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( 'Post-fixing table: adding missing cells.' );\n\n\t\t// Find the maximum number of columns.\n\t\tconst maxColumns = rowsLengths.reduce( ( prev, current ) => current > prev ? current : prev, 0 );\n\n\t\tfor ( const [ rowIndex, size ] of rowsLengths.entries() ) {\n\t\t\tconst columnsToInsert = maxColumns - size;\n\n\t\t\tif ( columnsToInsert ) {\n\t\t\t\tfor ( let i = 0; i < columnsToInsert; i++ ) {\n\t\t\t\t\tcreateEmptyTableCell( writer, writer.createPositionAt( table.getChild( rowIndex ), 'end' ) );\n\t\t\t\t}\n\n\t\t\t\twasFixed = true;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Searches for table cells that extend beyond the table section to which they belong to. It will return an array of objects\n// that stores table cells to be trimmed and the correct value of the `rowspan` attribute to set.\n//\n// @param {module:engine/model/element~Element} table\n// @returns {Array.<{{cell, rowspan}}>}\nfunction findCellsToTrim( table ) {\n\tconst headingRows = parseInt( table.getAttribute( 'headingRows' ) || 0 );\n\tconst maxRows = table.childCount;\n\n\tconst cellsToTrim = [];\n\n\tfor ( const { row, cell, cellHeight } of new TableWalker( table ) ) {\n\t\t// Skip cells that do not expand over its row.\n\t\tif ( cellHeight < 2 ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst isInHeader = row < headingRows;\n\n\t\t// Row limit is either end of header section or whole table as table body is after the header.\n\t\tconst rowLimit = isInHeader ? headingRows : maxRows;\n\n\t\t// If table cell expands over its limit reduce it height to proper value.\n\t\tif ( row + cellHeight > rowLimit ) {\n\t\t\tconst newRowspan = rowLimit - row;\n\n\t\t\tcellsToTrim.push( { cell, rowspan: newRowspan } );\n\t\t}\n\t}\n\n\treturn cellsToTrim;\n}\n\n// Returns an array with lengths of rows assigned to the corresponding row index.\n//\n// @param {module:engine/model/element~Element} table\n// @returns {Array.<Number>}\nfunction getRowsLengths( table ) {\n\t// TableWalker will not provide items for the empty rows, we need to pre-fill this array.\n\tconst lengths = new Array( table.childCount ).fill( 0 );\n\n\tfor ( const { row } of new TableWalker( table, { includeAllSlots: true } ) ) {\n\t\tlengths[ row ]++;\n\t}\n\n\treturn lengths;\n}\n\n// Checks if the differ entry for an attribute change is one of the table's attributes.\n//\n// @param entry\n// @returns {Boolean}\nfunction isTableAttributeEntry( entry ) {\n\tconst isAttributeType = entry.type === 'attribute';\n\tconst key = entry.attributeKey;\n\n\treturn isAttributeType && ( key === 'headingRows' || key === 'colspan' || key === 'rowspan' );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/table-cell-paragraph-post-fixer\n */\n\n/**\n * Injects a table cell post-fixer into the model which inserts a `paragraph` element into empty table cells.\n *\n * A table cell must contain at least one block element as a child. An empty table cell will have an empty `paragraph` as a child.\n *\n *\t\t<table>\n *\t\t\t<tableRow>\n *\t\t\t\t<tableCell></tableCell>\n *\t\t\t</tableRow>\n *\t\t</table>\n *\n * Will be fixed to:\n *\n *\t\t<table>\n *\t\t\t<tableRow>\n *\t\t\t\t<tableCell><paragraph></paragraph></tableCell>\n *\t\t\t</tableRow>\n *\t\t</table>\n *\n * @param {module:engine/model/model~Model} model\n */\nexport default function injectTableCellParagraphPostFixer( model ) {\n\tmodel.document.registerPostFixer( writer => tableCellContentsPostFixer( writer, model ) );\n}\n\n// The table cell contents post-fixer.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/model~Model} model\nfunction tableCellContentsPostFixer( writer, model ) {\n\tconst changes = model.document.differ.getChanges();\n\n\tlet wasFixed = false;\n\n\tfor ( const entry of changes ) {\n\t\tif ( entry.type == 'insert' && entry.name == 'table' ) {\n\t\t\twasFixed = fixTable( entry.position.nodeAfter, writer ) || wasFixed;\n\t\t}\n\n\t\tif ( entry.type == 'insert' && entry.name == 'tableRow' ) {\n\t\t\twasFixed = fixTableRow( entry.position.nodeAfter, writer ) || wasFixed;\n\t\t}\n\n\t\tif ( entry.type == 'insert' && entry.name == 'tableCell' ) {\n\t\t\twasFixed = fixTableCellContent( entry.position.nodeAfter, writer ) || wasFixed;\n\t\t}\n\n\t\tif ( checkTableCellChange( entry ) ) {\n\t\t\twasFixed = fixTableCellContent( entry.position.parent, writer ) || wasFixed;\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Fixes all table cells in a table.\n//\n// @param {module:engine/model/element~Element} table\n// @param {module:engine/model/writer~Writer} writer\nfunction fixTable( table, writer ) {\n\tlet wasFixed = false;\n\n\tfor ( const row of table.getChildren() ) {\n\t\twasFixed = fixTableRow( row, writer ) || wasFixed;\n\t}\n\n\treturn wasFixed;\n}\n\n// Fixes all table cells in a table row.\n//\n// @param {module:engine/model/element~Element} tableRow\n// @param {module:engine/model/writer~Writer} writer\nfunction fixTableRow( tableRow, writer ) {\n\tlet wasFixed = false;\n\n\tfor ( const tableCell of tableRow.getChildren() ) {\n\t\twasFixed = fixTableCellContent( tableCell, writer ) || wasFixed;\n\t}\n\n\treturn wasFixed;\n}\n\n// Fixes all table cell content by:\n// - Adding a paragraph to a table cell without any child.\n// - Wrapping direct $text in a `<paragraph>`.\n//\n// @param {module:engine/model/element~Element} table\n// @param {module:engine/model/writer~Writer} writer\n// @returns {Boolean}\nfunction fixTableCellContent( tableCell, writer ) {\n\t// Insert paragraph to an empty table cell.\n\tif ( tableCell.childCount == 0 ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( 'Post-fixing table: insert paragraph in empty cell.' );\n\n\t\twriter.insertElement( 'paragraph', tableCell );\n\n\t\treturn true;\n\t}\n\n\t// Check table cell children for directly placed text nodes.\n\t// Temporary solution. See https://github.com/ckeditor/ckeditor5/issues/1464.\n\tconst textNodes = Array.from( tableCell.getChildren() ).filter( child => child.is( '$text' ) );\n\n\t// @if CK_DEBUG_TABLE // textNodes.length && console.log( 'Post-fixing table: wrap cell content with paragraph.' );\n\n\tfor ( const child of textNodes ) {\n\t\twriter.wrap( writer.createRangeOn( child ), 'paragraph' );\n\t}\n\n\t// Return true when there were text nodes to fix.\n\treturn !!textNodes.length;\n}\n\n// Checks if a differ change should fix the table cell. This happens on:\n// - Removing content from the table cell (i.e. `tableCell` can be left empty).\n// - Adding a text node directly into a table cell.\n//\n// @param {Object} differ change entry\n// @returns {Boolean}\nfunction checkTableCellChange( entry ) {\n\tif ( !entry.position || !entry.position.parent.is( 'element', 'tableCell' ) ) {\n\t\treturn false;\n\t}\n\n\treturn entry.type == 'insert' && entry.name == '$text' || entry.type == 'remove';\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/table-cell-refresh-post-fixer\n */\n\nimport { isSingleParagraphWithoutAttributes } from './downcast';\n\n/**\n * Injects a table cell post-fixer into the model which marks the table cell in the differ to have it re-rendered.\n *\n * Model `paragraph` inside a table cell can be rendered as `<span>` or `<p>`. It is rendered as `<span>` if this is the only block\n * element in that table cell and it does not have any attributes. It is rendered as `<p>` otherwise.\n *\n * When table cell content changes, for example a second `paragraph` element is added, we need to ensure that the first `paragraph` is\n * re-rendered so it changes from `<span>` to `<p>`. The easiest way to do it is to re-render the entire table cell.\n *\n * @param {module:engine/model/model~Model} model\n * @param {module:engine/conversion/mapper~Mapper} mapper\n */\nexport default function injectTableCellRefreshPostFixer( model, mapper ) {\n\tmodel.document.registerPostFixer( () => tableCellRefreshPostFixer( model.document.differ, mapper ) );\n}\n\nfunction tableCellRefreshPostFixer( differ, mapper ) {\n\t// Stores cells to be refreshed, so the table cell will be refreshed once for multiple changes.\n\n\t// 1. Gather all changes inside table cell.\n\tconst cellsToCheck = new Set();\n\n\tfor ( const change of differ.getChanges() ) {\n\t\tconst parent = change.type == 'attribute' ? change.range.start.parent : change.position.parent;\n\n\t\tif ( parent.is( 'element', 'tableCell' ) ) {\n\t\t\tcellsToCheck.add( parent );\n\t\t}\n\t}\n\n\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: Checking table cell to refresh (${ cellsToCheck.size }).` );\n\t// @if CK_DEBUG_TABLE // let paragraphsRefreshed = 0;\n\n\tfor ( const tableCell of cellsToCheck.values() ) {\n\t\tfor ( const paragraph of [ ...tableCell.getChildren() ].filter( child => shouldRefresh( child, mapper ) ) ) {\n\t\t\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: refreshing paragraph in table cell (${++paragraphsRefreshed}).` );\n\t\t\tdiffer.refreshItem( paragraph );\n\t\t}\n\t}\n\n\t// Always return false to prevent the refresh post-fixer from re-running on the same set of changes and going into an infinite loop.\n\t// This \"post-fixer\" does not change the model structure so there shouldn't be need to run other post-fixers again.\n\t// See https://github.com/ckeditor/ckeditor5/issues/1936 & https://github.com/ckeditor/ckeditor5/issues/8200.\n\treturn false;\n}\n\n// Check if given model element needs refreshing.\n//\n// @param {module:engine/model/element~Element} modelElement\n// @param {module:engine/conversion/mapper~Mapper} mapper\n// @returns {Boolean}\nfunction shouldRefresh( child, mapper ) {\n\tif ( !child.is( 'element', 'paragraph' ) ) {\n\t\treturn false;\n\t}\n\n\tconst viewElement = mapper.toViewElement( child );\n\n\tif ( !viewElement ) {\n\t\treturn false;\n\t}\n\n\treturn isSingleParagraphWithoutAttributes( child ) !== viewElement.is( 'element', 'span' );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/table-heading-rows-refresh-post-fixer\n */\n\n/**\n * Injects a table post-fixer into the model which marks the table in the differ to have it re-rendered.\n *\n * Table heading rows are represented in the model by a `headingRows` attribute. However, in the view, it's represented as separate\n * sections of the table (`<thead>` or `<tbody>`) and changing `headingRows` attribute requires moving table rows between two sections.\n * This causes problems with structural changes in a table (like adding and removing rows) thus atomic converters cannot be used.\n *\n * When table `headingRows` attribute changes, the entire table is re-rendered.\n *\n * @param {module:engine/model/model~Model} model\n */\nexport default function injectTableHeadingRowsRefreshPostFixer( model ) {\n\tmodel.document.registerPostFixer( () => tableHeadingRowsRefreshPostFixer( model ) );\n}\n\nfunction tableHeadingRowsRefreshPostFixer( model ) {\n\tconst differ = model.document.differ;\n\n\t// Stores tables to be refreshed so the table will be refreshed once for multiple changes.\n\tconst tablesToRefresh = new Set();\n\n\tfor ( const change of differ.getChanges() ) {\n\t\tif ( change.type != 'attribute' ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst element = change.range.start.nodeAfter;\n\n\t\tif ( element && element.is( 'element', 'table' ) && change.attributeKey == 'headingRows' ) {\n\t\t\ttablesToRefresh.add( element );\n\t\t}\n\t}\n\n\tif ( tablesToRefresh.size ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: refreshing heading rows (${ tablesToRefresh.size }).` );\n\n\t\tfor ( const table of tablesToRefresh.values() ) {\n\t\t\t// Should be handled by a `triggerBy` configuration. See: https://github.com/ckeditor/ckeditor5/issues/8138.\n\t\t\tdiffer.refreshItem( table );\n\t\t}\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport upcastTable, { skipEmptyTableRow } from './converters/upcasttable';\nimport {\n\tconvertParagraphInTableCell,\n\tdowncastInsertCell,\n\tdowncastInsertRow,\n\tdowncastInsertTable,\n\tdowncastRemoveRow,\n\tdowncastTableHeadingColumnsChange\n} from './converters/downcast';\n\nimport InsertTableCommand from './commands/inserttablecommand';\nimport InsertRowCommand from './commands/insertrowcommand';\nimport InsertColumnCommand from './commands/insertcolumncommand';\nimport SplitCellCommand from './commands/splitcellcommand';\nimport MergeCellCommand from './commands/mergecellcommand';\nimport RemoveRowCommand from './commands/removerowcommand';\nimport RemoveColumnCommand from './commands/removecolumncommand';\nimport SetHeaderRowCommand from './commands/setheaderrowcommand';\nimport SetHeaderColumnCommand from './commands/setheadercolumncommand';\nimport MergeCellsCommand from './commands/mergecellscommand';\nimport SelectRowCommand from './commands/selectrowcommand';\nimport SelectColumnCommand from './commands/selectcolumncommand';\nimport TableUtils from '../src/tableutils';\n\nimport injectTableLayoutPostFixer from './converters/table-layout-post-fixer';\nimport injectTableCellParagraphPostFixer from './converters/table-cell-paragraph-post-fixer';\nimport injectTableCellRefreshPostFixer from './converters/table-cell-refresh-post-fixer';\nimport injectTableHeadingRowsRefreshPostFixer from './converters/table-heading-rows-refresh-post-fixer';\n\nimport '../theme/tableediting.css';\n\n/**\n * The table editing feature.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst schema = model.schema;\n\t\tconst conversion = editor.conversion;\n\n\t\tschema.register( 'table', {\n\t\t\tallowWhere: '$block',\n\t\t\tallowAttributes: [ 'headingRows', 'headingColumns' ],\n\t\t\tisObject: true,\n\t\t\tisBlock: true\n\t\t} );\n\n\t\tschema.register( 'tableRow', {\n\t\t\tallowIn: 'table',\n\t\t\tisLimit: true\n\t\t} );\n\n\t\tschema.register( 'tableCell', {\n\t\t\tallowIn: 'tableRow',\n\t\t\tallowAttributes: [ 'colspan', 'rowspan' ],\n\t\t\tisLimit: true,\n\t\t\tisSelectable: true\n\t\t} );\n\n\t\t// Allow all $block content inside a table cell.\n\t\tschema.extend( '$block', { allowIn: 'tableCell' } );\n\n\t\t// Disallow a table in a table.\n\t\tschema.addChildCheck( ( context, childDefinition ) => {\n\t\t\tif ( childDefinition.name == 'table' && Array.from( context.getNames() ).includes( 'table' ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} );\n\n\t\t// Table conversion.\n\t\tconversion.for( 'upcast' ).add( upcastTable() );\n\n\t\tconversion.for( 'editingDowncast' ).add( downcastInsertTable( { asWidget: true } ) );\n\t\tconversion.for( 'dataDowncast' ).add( downcastInsertTable() );\n\n\t\t// Table row conversion.\n\t\tconversion.for( 'upcast' ).elementToElement( { model: 'tableRow', view: 'tr' } );\n\t\tconversion.for( 'upcast' ).add( skipEmptyTableRow() );\n\n\t\tconversion.for( 'editingDowncast' ).add( downcastInsertRow() );\n\t\tconversion.for( 'editingDowncast' ).add( downcastRemoveRow() );\n\n\t\t// Table cell conversion.\n\t\tconversion.for( 'upcast' ).elementToElement( { model: 'tableCell', view: 'td' } );\n\t\tconversion.for( 'upcast' ).elementToElement( { model: 'tableCell', view: 'th' } );\n\n\t\tconversion.for( 'editingDowncast' ).add( downcastInsertCell() );\n\n\t\t// Duplicates code - needed to properly refresh paragraph inside a table cell.\n\t\teditor.conversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'paragraph',\n\t\t\tview: convertParagraphInTableCell,\n\t\t\tconverterPriority: 'high'\n\t\t} );\n\n\t\t// Table attributes conversion.\n\t\tconversion.attributeToAttribute( { model: 'colspan', view: 'colspan' } );\n\t\tconversion.attributeToAttribute( { model: 'rowspan', view: 'rowspan' } );\n\n\t\t// Table heading columns conversion (a change of heading rows requires a reconversion of the whole table).\n\t\tconversion.for( 'editingDowncast' ).add( downcastTableHeadingColumnsChange() );\n\n\t\t// Define all the commands.\n\t\teditor.commands.add( 'insertTable', new InsertTableCommand( editor ) );\n\t\teditor.commands.add( 'insertTableRowAbove', new InsertRowCommand( editor, { order: 'above' } ) );\n\t\teditor.commands.add( 'insertTableRowBelow', new InsertRowCommand( editor, { order: 'below' } ) );\n\t\teditor.commands.add( 'insertTableColumnLeft', new InsertColumnCommand( editor, { order: 'left' } ) );\n\t\teditor.commands.add( 'insertTableColumnRight', new InsertColumnCommand( editor, { order: 'right' } ) );\n\n\t\teditor.commands.add( 'removeTableRow', new RemoveRowCommand( editor ) );\n\t\teditor.commands.add( 'removeTableColumn', new RemoveColumnCommand( editor ) );\n\n\t\teditor.commands.add( 'splitTableCellVertically', new SplitCellCommand( editor, { direction: 'vertically' } ) );\n\t\teditor.commands.add( 'splitTableCellHorizontally', new SplitCellCommand( editor, { direction: 'horizontally' } ) );\n\n\t\teditor.commands.add( 'mergeTableCells', new MergeCellsCommand( editor ) );\n\n\t\teditor.commands.add( 'mergeTableCellRight', new MergeCellCommand( editor, { direction: 'right' } ) );\n\t\teditor.commands.add( 'mergeTableCellLeft', new MergeCellCommand( editor, { direction: 'left' } ) );\n\t\teditor.commands.add( 'mergeTableCellDown', new MergeCellCommand( editor, { direction: 'down' } ) );\n\t\teditor.commands.add( 'mergeTableCellUp', new MergeCellCommand( editor, { direction: 'up' } ) );\n\n\t\teditor.commands.add( 'setTableColumnHeader', new SetHeaderColumnCommand( editor ) );\n\t\teditor.commands.add( 'setTableRowHeader', new SetHeaderRowCommand( editor ) );\n\n\t\teditor.commands.add( 'selectTableRow', new SelectRowCommand( editor ) );\n\t\teditor.commands.add( 'selectTableColumn', new SelectColumnCommand( editor ) );\n\n\t\tinjectTableHeadingRowsRefreshPostFixer( model );\n\t\tinjectTableLayoutPostFixer( model );\n\t\tinjectTableCellRefreshPostFixer( model, editor.editing.mapper );\n\t\tinjectTableCellParagraphPostFixer( model );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableUtils ];\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/button/splitbuttonview\n */\n\nimport View from '../../view';\nimport ButtonView from '../../button/buttonview';\n\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\n\nimport dropdownArrowIcon from '../../../theme/icons/dropdown-arrow.svg';\n\nimport '../../../theme/components/dropdown/splitbutton.css';\n\n/**\n * The split button view class.\n *\n *\t\tconst view = new SplitButtonView();\n *\n *\t\tview.set( {\n *\t\t\tlabel: 'A button',\n *\t\t\tkeystroke: 'Ctrl+B',\n *\t\t\ttooltip: true\n *\t\t} );\n *\n *\t\tview.render();\n *\n *\t\tdocument.body.append( view.element );\n *\n * Also see the {@link module:ui/dropdown/utils~createDropdown `createDropdown()` util}.\n *\n * @implements module:ui/dropdown/button/dropdownbutton~DropdownButton\n * @extends module:ui/view~View\n */\nexport default class SplitButtonView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t// Implement the Button interface.\n\t\tthis.set( 'icon' );\n\t\tthis.set( 'isEnabled', true );\n\t\tthis.set( 'isOn', false );\n\t\tthis.set( 'isToggleable', false );\n\t\tthis.set( 'isVisible', true );\n\t\tthis.set( 'keystroke' );\n\t\tthis.set( 'label' );\n\t\tthis.set( 'tabindex', -1 );\n\t\tthis.set( 'tooltip' );\n\t\tthis.set( 'tooltipPosition', 's' );\n\t\tthis.set( 'type', 'button' );\n\t\tthis.set( 'withText', false );\n\n\t\t/**\n\t\t * Collection of the child views inside of the split button {@link #element}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\t/**\n\t\t * A main button of split button.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.actionView = this._createActionView();\n\n\t\t/**\n\t\t * A secondary button of split button that opens dropdown.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.arrowView = this._createArrowView();\n\n\t\t/**\n\t\t * Instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}. It manages\n\t\t * keystrokes of the split button:\n\t\t *\n\t\t * * <kbd>▶</kbd> moves focus to arrow view when action view is focused,\n\t\t * * <kbd>◀</kbd> moves focus to action view when arrow view is focused.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the dropdown.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-splitbutton',\n\t\t\t\t\tbind.if( 'isVisible', 'ck-hidden', value => !value ),\n\t\t\t\t\tthis.arrowView.bindTemplate.if( 'isOn', 'ck-splitbutton_open' )\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.children.add( this.actionView );\n\t\tthis.children.add( this.arrowView );\n\n\t\tthis.focusTracker.add( this.actionView.element );\n\t\tthis.focusTracker.add( this.arrowView.element );\n\n\t\tthis.keystrokes.listenTo( this.element );\n\n\t\t// Overrides toolbar focus cycling behavior.\n\t\tthis.keystrokes.set( 'arrowright', ( evt, cancel ) => {\n\t\t\tif ( this.focusTracker.focusedElement === this.actionView.element ) {\n\t\t\t\tthis.arrowView.focus();\n\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\n\t\t// Overrides toolbar focus cycling behavior.\n\t\tthis.keystrokes.set( 'arrowleft', ( evt, cancel ) => {\n\t\t\tif ( this.focusTracker.focusedElement === this.arrowView.element ) {\n\t\t\t\tthis.actionView.focus();\n\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the {@link #actionView#element} of the action part of split button.\n\t */\n\tfocus() {\n\t\tthis.actionView.focus();\n\t}\n\n\t/**\n\t * Creates a {@link module:ui/button/buttonview~ButtonView} instance as {@link #actionView} and binds it with main split button\n\t * attributes.\n\t *\n\t * @private\n\t * @returns {module:ui/button/buttonview~ButtonView}\n\t */\n\t_createActionView() {\n\t\tconst actionView = new ButtonView();\n\n\t\tactionView.bind(\n\t\t\t'icon',\n\t\t\t'isEnabled',\n\t\t\t'isOn',\n\t\t\t'isToggleable',\n\t\t\t'keystroke',\n\t\t\t'label',\n\t\t\t'tabindex',\n\t\t\t'tooltip',\n\t\t\t'tooltipPosition',\n\t\t\t'type',\n\t\t\t'withText'\n\t\t).to( this );\n\n\t\tactionView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-splitbutton__action'\n\t\t\t}\n\t\t} );\n\n\t\tactionView.delegate( 'execute' ).to( this );\n\n\t\treturn actionView;\n\t}\n\n\t/**\n\t * Creates a {@link module:ui/button/buttonview~ButtonView} instance as {@link #arrowView} and binds it with main split button\n\t * attributes.\n\t *\n\t * @private\n\t * @returns {module:ui/button/buttonview~ButtonView}\n\t */\n\t_createArrowView() {\n\t\tconst arrowView = new ButtonView();\n\t\tconst bind = arrowView.bindTemplate;\n\n\t\tarrowView.icon = dropdownArrowIcon;\n\n\t\tarrowView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-splitbutton__arrow',\n\t\t\t\t'aria-haspopup': true,\n\t\t\t\t'aria-expanded': bind.to( 'isOn', value => String( value ) )\n\t\t\t}\n\t\t} );\n\n\t\tarrowView.bind( 'isEnabled' ).to( this );\n\n\t\tarrowView.delegate( 'execute' ).to( this, 'open' );\n\n\t\treturn arrowView;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/ui/inserttableview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\n\nimport './../../theme/inserttable.css';\n\n/**\n * The table size view.\n *\n * It renders a 10x10 grid to choose the inserted table size.\n *\n * @extends module:ui/view~View\n * @implements module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable\n */\nexport default class InsertTableView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * A collection of table size box items.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this._createGridCollection();\n\n\t\t/**\n\t\t * The currently selected number of rows of the new table.\n\t\t *\n\t\t * @observable\n\t\t * @member {Number} #rows\n\t\t */\n\t\tthis.set( 'rows', 0 );\n\n\t\t/**\n\t\t * The currently selected number of columns of the new table.\n\t\t *\n\t\t * @observable\n\t\t * @member {Number} #columns\n\t\t */\n\t\tthis.set( 'columns', 0 );\n\n\t\t/**\n\t\t * The label text displayed under the boxes.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #label\n\t\t */\n\t\tthis.bind( 'label' )\n\t\t\t.to( this, 'columns', this, 'rows', ( columns, rows ) => `${ rows } × ${ columns }` );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [ 'ck' ]\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [ 'ck-insert-table-dropdown__grid' ]\n\t\t\t\t\t},\n\t\t\t\t\ton: {\n\t\t\t\t\t\t'mouseover@.ck-insert-table-dropdown-grid-box': bind.to( 'boxover' )\n\t\t\t\t\t},\n\t\t\t\t\tchildren: this.items\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [ 'ck-insert-table-dropdown__label' ]\n\t\t\t\t\t},\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttext: bind.to( 'label' )\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t],\n\n\t\t\ton: {\n\t\t\t\tmousedown: bind.to( evt => {\n\t\t\t\t\tevt.preventDefault();\n\t\t\t\t} ),\n\n\t\t\t\tclick: bind.to( () => {\n\t\t\t\t\tthis.fire( 'execute' );\n\t\t\t\t} )\n\t\t\t}\n\t\t} );\n\n\t\tthis.on( 'boxover', ( evt, domEvt ) => {\n\t\t\tconst { row, column } = domEvt.target.dataset;\n\n\t\t\t// As row & column indexes are zero-based transform it to number of selected rows & columns.\n\t\t\tthis.set( {\n\t\t\t\trows: parseInt( row ),\n\t\t\t\tcolumns: parseInt( column )\n\t\t\t} );\n\t\t} );\n\n\t\tthis.on( 'change:columns', () => {\n\t\t\tthis._highlightGridBoxes();\n\t\t} );\n\n\t\tthis.on( 'change:rows', () => {\n\t\t\tthis._highlightGridBoxes();\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tfocus() {\n\t\t// The dropdown panel expects DropdownPanelFocusable interface on views passed to dropdown panel. See #30.\n\t\t// The method should be implemented while working on keyboard support for this view. See #22.\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tfocusLast() {\n\t\t// The dropdown panel expects DropdownPanelFocusable interface on views passed to dropdown panel. See #30.\n\t\t// The method should be implemented while working on keyboard support for this view. See #22.\n\t}\n\n\t/**\n\t * Highlights grid boxes depending on rows and columns selected.\n\t *\n\t * @private\n\t */\n\t_highlightGridBoxes() {\n\t\tconst rows = this.rows;\n\t\tconst columns = this.columns;\n\n\t\tthis.items.map( ( boxView, index ) => {\n\t\t\t// Translate box index to the row & column index.\n\t\t\tconst itemRow = Math.floor( index / 10 );\n\t\t\tconst itemColumn = index % 10;\n\n\t\t\t// Grid box is highlighted when its row & column index belongs to selected number of rows & columns.\n\t\t\tconst isOn = itemRow < rows && itemColumn < columns;\n\n\t\t\tboxView.set( 'isOn', isOn );\n\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t * @returns {module:ui/viewcollection~ViewCollection} A view collection containing boxes to be placed in a table grid.\n\t */\n\t_createGridCollection() {\n\t\tconst boxes = [];\n\n\t\t// Add grid boxes to table selection view.\n\t\tfor ( let index = 0; index < 100; index++ ) {\n\t\t\tconst row = Math.floor( index / 10 );\n\t\t\tconst column = index % 10;\n\n\t\t\tboxes.push( new TableSizeGridBoxView( this.locale, row + 1, column + 1 ) );\n\t\t}\n\n\t\treturn this.createCollection( boxes );\n\t}\n\n\t/**\n\t * Fired when the mouse hover over one of the {@link #items child grid boxes}.\n\t *\n\t * @event boxover\n\t */\n}\n\n/**\n * A single grid box view element.\n *\n * This class is used to render the table size selection grid in {@link module:table/ui/inserttableview~InsertTableView}.\n *\n * @private\n */\nclass TableSizeGridBoxView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale, row, column ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Controls whether the grid box view is \"on\".\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isOn\n\t\t */\n\t\tthis.set( 'isOn', false );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-insert-table-dropdown-grid-box',\n\t\t\t\t\tbind.if( 'isOn', 'ck-on' )\n\t\t\t\t],\n\t\t\t\t'data-row': row,\n\t\t\t\t'data-column': column\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport { addListToDropdown, createDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';\nimport SplitButtonView from '@ckeditor/ckeditor5-ui/src/dropdown/button/splitbuttonview';\nimport Model from '@ckeditor/ckeditor5-ui/src/model';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\n\nimport InsertTableView from './ui/inserttableview';\n\nimport tableIcon from './../theme/icons/table.svg';\nimport tableColumnIcon from './../theme/icons/table-column.svg';\nimport tableRowIcon from './../theme/icons/table-row.svg';\nimport tableMergeCellIcon from './../theme/icons/table-merge-cell.svg';\n\n/**\n * The table UI plugin. It introduces:\n *\n * * The `'insertTable'` dropdown,\n * * The `'tableColumn'` dropdown,\n * * The `'tableRow'` dropdown,\n * * The `'mergeTableCells'` split button.\n *\n * The `'tableColumn'`, `'tableRow'` and `'mergeTableCells'` dropdowns work best with {@link module:table/tabletoolbar~TableToolbar}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = this.editor.t;\n\t\tconst contentLanguageDirection = editor.locale.contentLanguageDirection;\n\t\tconst isContentLtr = contentLanguageDirection === 'ltr';\n\n\t\teditor.ui.componentFactory.add( 'insertTable', locale => {\n\t\t\tconst command = editor.commands.get( 'insertTable' );\n\t\t\tconst dropdownView = createDropdown( locale );\n\n\t\t\tdropdownView.bind( 'isEnabled' ).to( command );\n\n\t\t\t// Decorate dropdown's button.\n\t\t\tdropdownView.buttonView.set( {\n\t\t\t\ticon: tableIcon,\n\t\t\t\tlabel: t( 'Insert table' ),\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tlet insertTableView;\n\n\t\t\tdropdownView.on( 'change:isOpen', () => {\n\t\t\t\tif ( insertTableView ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Prepare custom view for dropdown's panel.\n\t\t\t\tinsertTableView = new InsertTableView( locale );\n\t\t\t\tdropdownView.panelView.children.add( insertTableView );\n\n\t\t\t\tinsertTableView.delegate( 'execute' ).to( dropdownView );\n\n\t\t\t\tdropdownView.buttonView.on( 'open', () => {\n\t\t\t\t\t// Reset the chooser before showing it to the user.\n\t\t\t\t\tinsertTableView.rows = 0;\n\t\t\t\t\tinsertTableView.columns = 0;\n\t\t\t\t} );\n\n\t\t\t\tdropdownView.on( 'execute', () => {\n\t\t\t\t\teditor.execute( 'insertTable', { rows: insertTableView.rows, columns: insertTableView.columns } );\n\t\t\t\t\teditor.editing.view.focus();\n\t\t\t\t} );\n\t\t\t} );\n\n\t\t\treturn dropdownView;\n\t\t} );\n\n\t\teditor.ui.componentFactory.add( 'tableColumn', locale => {\n\t\t\tconst options = [\n\t\t\t\t{\n\t\t\t\t\ttype: 'switchbutton',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'setTableColumnHeader',\n\t\t\t\t\t\tlabel: t( 'Header column' ),\n\t\t\t\t\t\tbindIsOn: true\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{ type: 'separator' },\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: isContentLtr ? 'insertTableColumnLeft' : 'insertTableColumnRight',\n\t\t\t\t\t\tlabel: t( 'Insert column left' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: isContentLtr ? 'insertTableColumnRight' : 'insertTableColumnLeft',\n\t\t\t\t\t\tlabel: t( 'Insert column right' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'removeTableColumn',\n\t\t\t\t\t\tlabel: t( 'Delete column' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'selectTableColumn',\n\t\t\t\t\t\tlabel: t( 'Select column' )\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t];\n\n\t\t\treturn this._prepareDropdown( t( 'Column' ), tableColumnIcon, options, locale );\n\t\t} );\n\n\t\teditor.ui.componentFactory.add( 'tableRow', locale => {\n\t\t\tconst options = [\n\t\t\t\t{\n\t\t\t\t\ttype: 'switchbutton',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'setTableRowHeader',\n\t\t\t\t\t\tlabel: t( 'Header row' ),\n\t\t\t\t\t\tbindIsOn: true\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{ type: 'separator' },\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'insertTableRowAbove',\n\t\t\t\t\t\tlabel: t( 'Insert row above' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'insertTableRowBelow',\n\t\t\t\t\t\tlabel: t( 'Insert row below' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'removeTableRow',\n\t\t\t\t\t\tlabel: t( 'Delete row' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'selectTableRow',\n\t\t\t\t\t\tlabel: t( 'Select row' )\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t];\n\n\t\t\treturn this._prepareDropdown( t( 'Row' ), tableRowIcon, options, locale );\n\t\t} );\n\n\t\teditor.ui.componentFactory.add( 'mergeTableCells', locale => {\n\t\t\tconst options = [\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'mergeTableCellUp',\n\t\t\t\t\t\tlabel: t( 'Merge cell up' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: isContentLtr ? 'mergeTableCellRight' : 'mergeTableCellLeft',\n\t\t\t\t\t\tlabel: t( 'Merge cell right' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'mergeTableCellDown',\n\t\t\t\t\t\tlabel: t( 'Merge cell down' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: isContentLtr ? 'mergeTableCellLeft' : 'mergeTableCellRight',\n\t\t\t\t\t\tlabel: t( 'Merge cell left' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{ type: 'separator' },\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'splitTableCellVertically',\n\t\t\t\t\t\tlabel: t( 'Split cell vertically' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'splitTableCellHorizontally',\n\t\t\t\t\t\tlabel: t( 'Split cell horizontally' )\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t];\n\n\t\t\treturn this._prepareMergeSplitButtonDropdown( t( 'Merge cells' ), tableMergeCellIcon, options, locale );\n\t\t} );\n\t}\n\n\t/**\n\t * Creates a dropdown view from a set of options.\n\t *\n\t * @private\n\t * @param {String} label The dropdown button label.\n\t * @param {String} icon An icon for the dropdown button.\n\t * @param {Array.<module:ui/dropdown/utils~ListDropdownItemDefinition>} options The list of options for the dropdown.\n\t * @param {module:utils/locale~Locale} locale\n\t * @returns {module:ui/dropdown/dropdownview~DropdownView}\n\t */\n\t_prepareDropdown( label, icon, options, locale ) {\n\t\tconst editor = this.editor;\n\t\tconst dropdownView = createDropdown( locale );\n\t\tconst commands = this._fillDropdownWithListOptions( dropdownView, options );\n\n\t\t// Decorate dropdown's button.\n\t\tdropdownView.buttonView.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\t// Make dropdown button disabled when all options are disabled.\n\t\tdropdownView.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => {\n\t\t\treturn areEnabled.some( isEnabled => isEnabled );\n\t\t} );\n\n\t\tthis.listenTo( dropdownView, 'execute', evt => {\n\t\t\teditor.execute( evt.source.commandName );\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\treturn dropdownView;\n\t}\n\n\t/**\n\t * Creates a dropdown view with a {@link module:ui/dropdown/button/splitbuttonview~SplitButtonView} for\n\t * merge (and split)–related commands.\n\t *\n\t * @private\n\t * @param {String} label The dropdown button label.\n\t * @param {String} icon An icon for the dropdown button.\n\t * @param {Array.<module:ui/dropdown/utils~ListDropdownItemDefinition>} options The list of options for the dropdown.\n\t * @param {module:utils/locale~Locale} locale\n\t * @returns {module:ui/dropdown/dropdownview~DropdownView}\n\t */\n\t_prepareMergeSplitButtonDropdown( label, icon, options, locale ) {\n\t\tconst editor = this.editor;\n\t\tconst dropdownView = createDropdown( locale, SplitButtonView );\n\t\tconst mergeCommandName = 'mergeTableCells';\n\n\t\tthis._fillDropdownWithListOptions( dropdownView, options );\n\n\t\tdropdownView.buttonView.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true,\n\t\t\tisEnabled: true\n\t\t} );\n\n\t\t// Merge selected table cells when the main part of the split button is clicked.\n\t\tthis.listenTo( dropdownView.buttonView, 'execute', () => {\n\t\t\teditor.execute( mergeCommandName );\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\t// Execute commands for events coming from the list in the dropdown panel.\n\t\tthis.listenTo( dropdownView, 'execute', evt => {\n\t\t\teditor.execute( evt.source.commandName );\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\treturn dropdownView;\n\t}\n\n\t/**\n\t * Injects a {@link module:ui/list/listview~ListView} into the passed dropdown with buttons\n\t * which execute editor commands as configured in passed options.\n\t *\n\t * @private\n\t * @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\n\t * @param {Array.<module:ui/dropdown/utils~ListDropdownItemDefinition>} options The list of options for the dropdown.\n\t * @returns {Array.<module:core/command~Command>} Commands the list options are interacting with.\n\t */\n\t_fillDropdownWithListOptions( dropdownView, options ) {\n\t\tconst editor = this.editor;\n\t\tconst commands = [];\n\t\tconst itemDefinitions = new Collection();\n\n\t\tfor ( const option of options ) {\n\t\t\taddListOption( option, editor, commands, itemDefinitions );\n\t\t}\n\n\t\taddListToDropdown( dropdownView, itemDefinitions, editor.ui.componentFactory );\n\n\t\treturn commands;\n\t}\n}\n\n// Adds an option to a list view.\n//\n// @param {module:table/tableui~DropdownOption} option A configuration option.\n// @param {module:core/editor/editor~Editor} editor\n// @param {Array.<module:core/command~Command>} commands The list of commands to update.\n// @param {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>} itemDefinitions\n// A collection of dropdown items to update with the given option.\nfunction addListOption( option, editor, commands, itemDefinitions ) {\n\tconst model = option.model = new Model( option.model );\n\tconst { commandName, bindIsOn } = option.model;\n\n\tif ( option.type === 'button' || option.type === 'switchbutton' ) {\n\t\tconst command = editor.commands.get( commandName );\n\n\t\tcommands.push( command );\n\n\t\tmodel.set( { commandName } );\n\n\t\tmodel.bind( 'isEnabled' ).to( command );\n\n\t\tif ( bindIsOn ) {\n\t\t\tmodel.bind( 'isOn' ).to( command, 'value' );\n\t\t}\n\t}\n\n\tmodel.set( {\n\t\twithText: true\n\t} );\n\n\titemDefinitions.add( option );\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z\\\" opacity=\\\".6\\\"/><path d=\\\"M18 7v1H2V7h16zm0 5v1H2v-1h16z\\\" opacity=\\\".6\\\"/><path d=\\\"M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z\\\" opacity=\\\".6\\\"/><path d=\\\"M7 2h1v16H7V2zm5 0h1v16h-1V2z\\\" opacity=\\\".6\\\"/><path d=\\\"M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z\\\" opacity=\\\".6\\\"/><path d=\\\"M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z\\\" opacity=\\\".6\\\"/><path d=\\\"M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableselection\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\nimport TableWalker from './tablewalker';\nimport TableUtils from './tableutils';\n\nimport { cropTableToDimensions, adjustLastRowIndex, adjustLastColumnIndex } from './utils/structure';\nimport { getColumnIndexes, getRowIndexes, getSelectedTableCells, isSelectionRectangular } from './utils/selection';\n\nimport '../theme/tableselection.css';\n\n/**\n * This plugin enables the advanced table cells, rows and columns selection.\n * It is loaded automatically by the {@link module:table/table~Table} plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableSelection extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableSelection';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\tthis.listenTo( model, 'deleteContent', ( evt, args ) => this._handleDeleteContent( evt, args ), { priority: 'high' } );\n\n\t\tthis._defineSelectionConverter();\n\t\tthis._enablePluginDisabling(); // sic!\n\t}\n\n\t/**\n\t * Returns the currently selected table cells or `null` if it is not a table cells selection.\n\t *\n\t * @returns {Array.<module:engine/model/element~Element>|null}\n\t */\n\tgetSelectedTableCells() {\n\t\tconst selection = this.editor.model.document.selection;\n\n\t\tconst selectedCells = getSelectedTableCells( selection );\n\n\t\tif ( selectedCells.length == 0 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// This should never happen, but let's know if it ever happens.\n\t\t// @if CK_DEBUG //\t/* istanbul ignore next */\n\t\t// @if CK_DEBUG //\tif ( selectedCells.length != selection.rangeCount ) {\n\t\t// @if CK_DEBUG //\t\tconsole.warn( 'Mixed selection warning. The selection contains table cells and some other ranges.' );\n\t\t// @if CK_DEBUG //\t}\n\n\t\treturn selectedCells;\n\t}\n\n\t/**\n\t * Returns the selected table fragment as a document fragment.\n\t *\n\t * @returns {module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tgetSelectionAsFragment() {\n\t\tconst selectedCells = this.getSelectedTableCells();\n\n\t\tif ( !selectedCells ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.editor.model.change( writer => {\n\t\t\tconst documentFragment = writer.createDocumentFragment();\n\t\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\n\t\t\tconst { first: firstColumn, last: lastColumn } = getColumnIndexes( selectedCells );\n\t\t\tconst { first: firstRow, last: lastRow } = getRowIndexes( selectedCells );\n\n\t\t\tconst sourceTable = selectedCells[ 0 ].findAncestor( 'table' );\n\n\t\t\tlet adjustedLastRow = lastRow;\n\t\t\tlet adjustedLastColumn = lastColumn;\n\n\t\t\t// If the selection is rectangular there could be a case of all cells in the last row/column spanned over\n\t\t\t// next row/column so the real lastRow/lastColumn should be updated.\n\t\t\tif ( isSelectionRectangular( selectedCells, tableUtils ) ) {\n\t\t\t\tconst dimensions = {\n\t\t\t\t\tfirstColumn,\n\t\t\t\t\tlastColumn,\n\t\t\t\t\tfirstRow,\n\t\t\t\t\tlastRow\n\t\t\t\t};\n\n\t\t\t\tadjustedLastRow = adjustLastRowIndex( sourceTable, dimensions );\n\t\t\t\tadjustedLastColumn = adjustLastColumnIndex( sourceTable, dimensions );\n\t\t\t}\n\n\t\t\tconst cropDimensions = {\n\t\t\t\tstartRow: firstRow,\n\t\t\t\tstartColumn: firstColumn,\n\t\t\t\tendRow: adjustedLastRow,\n\t\t\t\tendColumn: adjustedLastColumn\n\t\t\t};\n\n\t\t\tconst table = cropTableToDimensions( sourceTable, cropDimensions, writer );\n\n\t\t\twriter.insert( table, documentFragment, 0 );\n\n\t\t\treturn documentFragment;\n\t\t} );\n\t}\n\n\t/**\n\t * Sets the model selection based on given anchor and target cells (can be the same cell).\n\t * Takes care of setting the backward flag.\n\t *\n\t *\t\tconst modelRoot = editor.model.document.getRoot();\n\t *\t\tconst firstCell = modelRoot.getNodeByPath( [ 0, 0, 0 ] );\n\t *\t\tconst lastCell = modelRoot.getNodeByPath( [ 0, 0, 1 ] );\n\t *\n\t *\t\tconst tableSelection = editor.plugins.get( 'TableSelection' );\n\t *\t\ttableSelection.setCellSelection( firstCell, lastCell );\n\t *\n\t * @param {module:engine/model/element~Element} anchorCell\n\t * @param {module:engine/model/element~Element} targetCell\n\t */\n\tsetCellSelection( anchorCell, targetCell ) {\n\t\tconst cellsToSelect = this._getCellsToSelect( anchorCell, targetCell );\n\n\t\tthis.editor.model.change( writer => {\n\t\t\twriter.setSelection(\n\t\t\t\tcellsToSelect.cells.map( cell => writer.createRangeOn( cell ) ),\n\t\t\t\t{ backward: cellsToSelect.backward }\n\t\t\t);\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the focus cell from the current selection.\n\t *\n\t * @returns {module:engine/model/element~Element}\n\t */\n\tgetFocusCell() {\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst focusCellRange = [ ...selection.getRanges() ].pop();\n\t\tconst element = focusCellRange.getContainedElement();\n\n\t\tif ( element && element.is( 'element', 'tableCell' ) ) {\n\t\t\treturn element;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns the anchor cell from the current selection.\n\t *\n\t * @returns {module:engine/model/element~Element} anchorCell\n\t */\n\tgetAnchorCell() {\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst anchorCellRange = first( selection.getRanges() );\n\t\tconst element = anchorCellRange.getContainedElement();\n\n\t\tif ( element && element.is( 'element', 'tableCell' ) ) {\n\t\t\treturn element;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Defines a selection converter which marks the selected cells with a specific class.\n\t *\n\t * The real DOM selection is put in the last cell. Since the order of ranges is dependent on whether the\n\t * selection is backward or not, the last cell will usually be close to the \"focus\" end of the selection\n\t * (a selection has anchor and focus).\n\t *\n\t * The real DOM selection is then hidden with CSS.\n\t *\n\t * @private\n\t */\n\t_defineSelectionConverter() {\n\t\tconst editor = this.editor;\n\t\tconst highlighted = new Set();\n\n\t\teditor.conversion.for( 'editingDowncast' ).add( dispatcher => dispatcher.on( 'selection', ( evt, data, conversionApi ) => {\n\t\t\tconst viewWriter = conversionApi.writer;\n\n\t\t\tclearHighlightedTableCells( viewWriter );\n\n\t\t\tconst selectedCells = this.getSelectedTableCells();\n\n\t\t\tif ( !selectedCells ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tfor ( const tableCell of selectedCells ) {\n\t\t\t\tconst viewElement = conversionApi.mapper.toViewElement( tableCell );\n\n\t\t\t\tviewWriter.addClass( 'ck-editor__editable_selected', viewElement );\n\t\t\t\thighlighted.add( viewElement );\n\t\t\t}\n\n\t\t\tconst lastViewCell = conversionApi.mapper.toViewElement( selectedCells[ selectedCells.length - 1 ] );\n\t\t\tviewWriter.setSelection( lastViewCell, 0 );\n\t\t}, { priority: 'lowest' } ) );\n\n\t\tfunction clearHighlightedTableCells( writer ) {\n\t\t\tfor ( const previouslyHighlighted of highlighted ) {\n\t\t\t\twriter.removeClass( 'ck-editor__editable_selected', previouslyHighlighted );\n\t\t\t}\n\n\t\t\thighlighted.clear();\n\t\t}\n\t}\n\n\t/**\n\t * Creates a listener that reacts to changes in {@link #isEnabled} and, if the plugin was disabled,\n\t * it collapses the multi-cell selection to a regular selection placed inside a table cell.\n\t *\n\t * This listener helps features that disable the table selection plugin bring the selection\n\t * to a clear state they can work with (for instance, because they don't support multiple cell selection).\n\t */\n\t_enablePluginDisabling() {\n\t\tconst editor = this.editor;\n\n\t\tthis.on( 'change:isEnabled', () => {\n\t\t\tif ( !this.isEnabled ) {\n\t\t\t\tconst selectedCells = this.getSelectedTableCells();\n\n\t\t\t\tif ( !selectedCells ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\tconst position = writer.createPositionAt( selectedCells[ 0 ], 0 );\n\t\t\t\t\tconst range = editor.model.schema.getNearestSelectionRange( position );\n\n\t\t\t\t\twriter.setSelection( range );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Overrides the default `model.deleteContent()` behavior over a selected table fragment.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} event\n\t * @param {Array.<*>} args Delete content method arguments.\n\t */\n\t_handleDeleteContent( event, args ) {\n\t\tconst [ selection, options ] = args;\n\t\tconst model = this.editor.model;\n\t\tconst isBackward = !options || options.direction == 'backward';\n\t\tconst selectedTableCells = getSelectedTableCells( selection );\n\n\t\tif ( !selectedTableCells.length ) {\n\t\t\treturn;\n\t\t}\n\n\t\tevent.stop();\n\n\t\tmodel.change( writer => {\n\t\t\tconst tableCellToSelect = selectedTableCells[ isBackward ? selectedTableCells.length - 1 : 0 ];\n\n\t\t\tmodel.change( writer => {\n\t\t\t\tfor ( const tableCell of selectedTableCells ) {\n\t\t\t\t\tmodel.deleteContent( writer.createSelection( tableCell, 'in' ) );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tconst rangeToSelect = model.schema.getNearestSelectionRange( writer.createPositionAt( tableCellToSelect, 0 ) );\n\n\t\t\t// Note: we ignore the case where rangeToSelect may be null because deleteContent() will always (unless someone broke it)\n\t\t\t// create an empty paragraph to accommodate the selection.\n\n\t\t\tif ( selection.is( 'documentSelection' ) ) {\n\t\t\t\twriter.setSelection( rangeToSelect );\n\t\t\t} else {\n\t\t\t\tselection.setTo( rangeToSelect );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns an array of table cells that should be selected based on the\n\t * given anchor cell and target (focus) cell.\n\t *\n\t * The cells are returned in a reverse direction if the selection is backward.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} anchorCell\n\t * @param {module:engine/model/element~Element} targetCell\n\t * @returns {Array.<module:engine/model/element~Element>}\n\t */\n\t_getCellsToSelect( anchorCell, targetCell ) {\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\tconst startLocation = tableUtils.getCellLocation( anchorCell );\n\t\tconst endLocation = tableUtils.getCellLocation( targetCell );\n\n\t\tconst startRow = Math.min( startLocation.row, endLocation.row );\n\t\tconst endRow = Math.max( startLocation.row, endLocation.row );\n\n\t\tconst startColumn = Math.min( startLocation.column, endLocation.column );\n\t\tconst endColumn = Math.max( startLocation.column, endLocation.column );\n\n\t\t// 2-dimensional array of the selected cells to ease flipping the order of cells for backward selections.\n\t\tconst selectionMap = new Array( endRow - startRow + 1 ).fill( null ).map( () => [] );\n\n\t\tconst walkerOptions = {\n\t\t\tstartRow,\n\t\t\tendRow,\n\t\t\tstartColumn,\n\t\t\tendColumn\n\t\t};\n\n\t\tfor ( const { row, cell } of new TableWalker( anchorCell.findAncestor( 'table' ), walkerOptions ) ) {\n\t\t\tselectionMap[ row - startRow ].push( cell );\n\t\t}\n\n\t\tconst flipVertically = endLocation.row < startLocation.row;\n\t\tconst flipHorizontally = endLocation.column < startLocation.column;\n\n\t\tif ( flipVertically ) {\n\t\t\tselectionMap.reverse();\n\t\t}\n\n\t\tif ( flipHorizontally ) {\n\t\t\tselectionMap.forEach( row => row.reverse() );\n\t\t}\n\n\t\treturn {\n\t\t\tcells: selectionMap.flat(),\n\t\t\tbackward: flipVertically || flipHorizontally\n\t\t};\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableclipboard\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport TableSelection from './tableselection';\nimport TableWalker from './tablewalker';\nimport TableUtils from './tableutils';\nimport { getColumnIndexes, getRowIndexes, getSelectionAffectedTableCells, isSelectionRectangular, sortRanges } from './utils/selection';\nimport {\n\tcropTableToDimensions,\n\tgetHorizontallyOverlappingCells,\n\tgetVerticallyOverlappingCells,\n\tremoveEmptyRowsColumns,\n\tsplitHorizontally,\n\tsplitVertically,\n\ttrimTableCellIfNeeded,\n\tadjustLastRowIndex,\n\tadjustLastColumnIndex\n} from './utils/structure';\n\n/**\n * This plugin adds support for copying/cutting/pasting fragments of tables.\n * It is loaded automatically by the {@link module:table/table~Table} plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableClipboard extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableClipboard';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableSelection, TableUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\n\t\tthis.listenTo( viewDocument, 'copy', ( evt, data ) => this._onCopyCut( evt, data ) );\n\t\tthis.listenTo( viewDocument, 'cut', ( evt, data ) => this._onCopyCut( evt, data ) );\n\t\tthis.listenTo( editor.model, 'insertContent', ( evt, args ) => this._onInsertContent( evt, ...args ), { priority: 'high' } );\n\n\t\tthis.decorate( '_replaceTableSlotCell' );\n\t}\n\n\t/**\n\t * Copies table content to a clipboard on \"copy\" & \"cut\" events.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the handled event.\n\t * @param {Object} data Clipboard event data.\n\t */\n\t_onCopyCut( evt, data ) {\n\t\tconst tableSelection = this.editor.plugins.get( TableSelection );\n\n\t\tif ( !tableSelection.getSelectedTableCells() ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( evt.name == 'cut' && this.editor.isReadOnly ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdata.preventDefault();\n\t\tevt.stop();\n\n\t\tconst dataController = this.editor.data;\n\t\tconst viewDocument = this.editor.editing.view.document;\n\n\t\tconst content = dataController.toView( tableSelection.getSelectionAsFragment() );\n\n\t\tviewDocument.fire( 'clipboardOutput', {\n\t\t\tdataTransfer: data.dataTransfer,\n\t\t\tcontent,\n\t\t\tmethod: evt.name\n\t\t} );\n\t}\n\n\t/**\n\t * Overrides default {@link module:engine/model/model~Model#insertContent `model.insertContent()`} method to handle pasting table inside\n\t * selected table fragment.\n\t *\n\t * Depending on selected table fragment:\n\t * - If a selected table fragment is smaller than paste table it will crop pasted table to match dimensions.\n\t * - If dimensions are equal it will replace selected table fragment with a pasted table contents.\n\t *\n\t * @private\n\t * @param evt\n\t * @param {module:engine/model/documentfragment~DocumentFragment|module:engine/model/item~Item} content The content to insert.\n\t * @param {module:engine/model/selection~Selectable} [selectable=model.document.selection]\n\t * The selection into which the content should be inserted. If not provided the current model document selection will be used.\n\t */\n\t_onInsertContent( evt, content, selectable ) {\n\t\tif ( selectable && !selectable.is( 'documentSelection' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\t\tconst tableUtils = this.editor.plugins.get( TableUtils );\n\n\t\t// We might need to crop table before inserting so reference might change.\n\t\tlet pastedTable = getTableIfOnlyTableInContent( content, model );\n\n\t\tif ( !pastedTable ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst selectedTableCells = getSelectionAffectedTableCells( model.document.selection );\n\n\t\tif ( !selectedTableCells.length ) {\n\t\t\tremoveEmptyRowsColumns( pastedTable, tableUtils );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Override default model.insertContent() handling at this point.\n\t\tevt.stop();\n\n\t\tmodel.change( writer => {\n\t\t\tconst pastedDimensions = {\n\t\t\t\twidth: tableUtils.getColumns( pastedTable ),\n\t\t\t\theight: tableUtils.getRows( pastedTable )\n\t\t\t};\n\n\t\t\t// Prepare the table for pasting.\n\t\t\tconst selection = prepareTableForPasting( selectedTableCells, pastedDimensions, writer, tableUtils );\n\n\t\t\t// Beyond this point we operate on a fixed content table with rectangular selection and proper last row/column values.\n\n\t\t\tconst selectionHeight = selection.lastRow - selection.firstRow + 1;\n\t\t\tconst selectionWidth = selection.lastColumn - selection.firstColumn + 1;\n\n\t\t\t// Crop pasted table if:\n\t\t\t// - Pasted table dimensions exceeds selection area.\n\t\t\t// - Pasted table has broken layout (ie some cells sticks out by the table dimensions established by the first and last row).\n\t\t\t//\n\t\t\t// Note: The table dimensions are established by the width of the first row and the total number of rows.\n\t\t\t// It is possible to programmatically create a table that has rows which would have cells anchored beyond first row width but\n\t\t\t// such table will not be created by other editing solutions.\n\t\t\tconst cropDimensions = {\n\t\t\t\tstartRow: 0,\n\t\t\t\tstartColumn: 0,\n\t\t\t\tendRow: Math.min( selectionHeight, pastedDimensions.height ) - 1,\n\t\t\t\tendColumn: Math.min( selectionWidth, pastedDimensions.width ) - 1\n\t\t\t};\n\n\t\t\tpastedTable = cropTableToDimensions( pastedTable, cropDimensions, writer );\n\n\t\t\t// Content table to which we insert a pasted table.\n\t\t\tconst selectedTable = selectedTableCells[ 0 ].findAncestor( 'table' );\n\n\t\t\tconst cellsToSelect = this._replaceSelectedCellsWithPasted( pastedTable, pastedDimensions, selectedTable, selection, writer );\n\n\t\t\tif ( this.editor.plugins.get( 'TableSelection' ).isEnabled ) {\n\t\t\t\t// Selection ranges must be sorted because the first and last selection ranges are considered\n\t\t\t\t// as anchor/focus cell ranges for multi-cell selection.\n\t\t\t\tconst selectionRanges = sortRanges( cellsToSelect.map( cell => writer.createRangeOn( cell ) ) );\n\n\t\t\t\twriter.setSelection( selectionRanges );\n\t\t\t} else {\n\t\t\t\t// Set selection inside first cell if multi-cell selection is disabled.\n\t\t\t\twriter.setSelection( cellsToSelect[ 0 ], 0 );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Replaces the part of selectedTable with pastedTable.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} pastedTable\n\t * @param {Object} pastedDimensions\n\t * @param {Number} pastedDimensions.height\n\t * @param {Number} pastedDimensions.width\n\t * @param {module:engine/model/element~Element} selectedTable\n\t * @param {Object} selection\n\t * @param {Number} selection.firstColumn\n\t * @param {Number} selection.firstRow\n\t * @param {Number} selection.lastColumn\n\t * @param {Number} selection.lastRow\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @returns {Array.<module:engine/model/element~Element>}\n\t */\n\t_replaceSelectedCellsWithPasted( pastedTable, pastedDimensions, selectedTable, selection, writer ) {\n\t\tconst { width: pastedWidth, height: pastedHeight } = pastedDimensions;\n\n\t\t// Holds two-dimensional array that is addressed by [ row ][ column ] that stores cells anchored at given location.\n\t\tconst pastedTableLocationMap = createLocationMap( pastedTable, pastedWidth, pastedHeight );\n\n\t\tconst selectedTableMap = [ ...new TableWalker( selectedTable, {\n\t\t\tstartRow: selection.firstRow,\n\t\t\tendRow: selection.lastRow,\n\t\t\tstartColumn: selection.firstColumn,\n\t\t\tendColumn: selection.lastColumn,\n\t\t\tincludeAllSlots: true\n\t\t} ) ];\n\n\t\t// Selection must be set to pasted cells (some might be removed or new created).\n\t\tconst cellsToSelect = [];\n\n\t\t// Store next cell insert position.\n\t\tlet insertPosition;\n\n\t\t// Content table replace cells algorithm iterates over a selected table fragment and:\n\t\t//\n\t\t// - Removes existing table cells at current slot (location).\n\t\t// - Inserts cell from a pasted table for a matched slots.\n\t\t//\n\t\t// This ensures proper table geometry after the paste\n\t\tfor ( const tableSlot of selectedTableMap ) {\n\t\t\tconst { row, column } = tableSlot;\n\n\t\t\t// Save the insert position for current row start.\n\t\t\tif ( column === selection.firstColumn ) {\n\t\t\t\tinsertPosition = tableSlot.getPositionBefore();\n\t\t\t}\n\n\t\t\t// Map current table slot location to an pasted table slot location.\n\t\t\tconst pastedRow = row - selection.firstRow;\n\t\t\tconst pastedColumn = column - selection.firstColumn;\n\t\t\tconst pastedCell = pastedTableLocationMap[ pastedRow % pastedHeight ][ pastedColumn % pastedWidth ];\n\n\t\t\t// Clone cell to insert (to duplicate its attributes and children).\n\t\t\t// Cloning is required to support repeating pasted table content when inserting to a bigger selection.\n\t\t\tconst cellToInsert = pastedCell ? writer.cloneElement( pastedCell ) : null;\n\n\t\t\t// Replace the cell from the current slot with new table cell.\n\t\t\tconst newTableCell = this._replaceTableSlotCell( tableSlot, cellToInsert, insertPosition, writer );\n\n\t\t\t// The cell was only removed.\n\t\t\tif ( !newTableCell ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// Trim the cell if it's row/col-spans would exceed selection area.\n\t\t\ttrimTableCellIfNeeded( newTableCell, row, column, selection.lastRow, selection.lastColumn, writer );\n\n\t\t\tcellsToSelect.push( newTableCell );\n\n\t\t\tinsertPosition = writer.createPositionAfter( newTableCell );\n\t\t}\n\n\t\t// If there are any headings, all the cells that overlap from heading must be splitted.\n\t\tconst headingRows = parseInt( selectedTable.getAttribute( 'headingRows' ) || 0 );\n\t\tconst headingColumns = parseInt( selectedTable.getAttribute( 'headingColumns' ) || 0 );\n\n\t\tconst areHeadingRowsIntersectingSelection = selection.firstRow < headingRows && headingRows <= selection.lastRow;\n\t\tconst areHeadingColumnsIntersectingSelection = selection.firstColumn < headingColumns && headingColumns <= selection.lastColumn;\n\n\t\tif ( areHeadingRowsIntersectingSelection ) {\n\t\t\tconst columnsLimit = { first: selection.firstColumn, last: selection.lastColumn };\n\t\t\tconst newCells = doHorizontalSplit( selectedTable, headingRows, columnsLimit, writer, selection.firstRow );\n\n\t\t\tcellsToSelect.push( ...newCells );\n\t\t}\n\n\t\tif ( areHeadingColumnsIntersectingSelection ) {\n\t\t\tconst rowsLimit = { first: selection.firstRow, last: selection.lastRow };\n\t\t\tconst newCells = doVerticalSplit( selectedTable, headingColumns, rowsLimit, writer );\n\n\t\t\tcellsToSelect.push( ...newCells );\n\t\t}\n\n\t\treturn cellsToSelect;\n\t}\n\n\t/**\n\t * Replaces a single table slot.\n\t *\n\t * @private\n\t * @param {module:table/tablewalker~TableSlot} tableSlot\n\t * @param {module:engine/model/element~Element} cellToInsert\n\t * @param {module:engine/model/position~Position} insertPosition\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @returns {module:engine/model/element~Element|null} Inserted table cell or null if slot should remain empty.\n\t */\n\t_replaceTableSlotCell( tableSlot, cellToInsert, insertPosition, writer ) {\n\t\tconst { cell, isAnchor } = tableSlot;\n\n\t\t// If the slot is occupied by a cell in a selected table - remove it.\n\t\t// The slot of this cell will be either:\n\t\t// - Replaced by a pasted table cell.\n\t\t// - Spanned by a previously pasted table cell.\n\t\tif ( isAnchor ) {\n\t\t\twriter.remove( cell );\n\t\t}\n\n\t\t// There is no cell to insert (might be spanned by other cell in a pasted table) - advance to the next content table slot.\n\t\tif ( !cellToInsert ) {\n\t\t\treturn null;\n\t\t}\n\n\t\twriter.insert( cellToInsert, insertPosition );\n\n\t\treturn cellToInsert;\n\t}\n}\n\n/**\n * Extract table for pasting into table.\n *\n * @private\n * @param {module:engine/model/documentfragment~DocumentFragment|module:engine/model/item~Item} content The content to insert.\n * @param {module:engine/model/model~Model} model The editor model.\n * @returns {module:engine/model/element~Element|null}\n */\nexport function getTableIfOnlyTableInContent( content, model ) {\n\tif ( !content.is( 'documentFragment' ) && !content.is( 'element' ) ) {\n\t\treturn null;\n\t}\n\n\t// Table passed directly.\n\tif ( content.is( 'element', 'table' ) ) {\n\t\treturn content;\n\t}\n\n\t// We do not support mixed content when pasting table into table.\n\t// See: https://github.com/ckeditor/ckeditor5/issues/6817.\n\tif ( content.childCount == 1 && content.getChild( 0 ).is( 'element', 'table' ) ) {\n\t\treturn content.getChild( 0 );\n\t}\n\n\t// If there are only whitespaces around a table then use that table for pasting.\n\n\tconst contentRange = model.createRangeIn( content );\n\n\tfor ( const element of contentRange.getItems() ) {\n\t\tif ( element.is( 'element', 'table' ) ) {\n\t\t\t// Stop checking if there is some content before table.\n\t\t\tconst rangeBefore = model.createRange( contentRange.start, model.createPositionBefore( element ) );\n\n\t\t\tif ( model.hasContent( rangeBefore, { ignoreWhitespaces: true } ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\t// Stop checking if there is some content after table.\n\t\t\tconst rangeAfter = model.createRange( model.createPositionAfter( element ), contentRange.end );\n\n\t\t\tif ( model.hasContent( rangeAfter, { ignoreWhitespaces: true } ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\t// There wasn't any content neither before nor after.\n\t\t\treturn element;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n// Prepares a table for pasting and returns adjusted selection dimensions.\n//\n// @param {Array.<module:engine/model/element~Element>} selectedTableCells\n// @param {Object} pastedDimensions\n// @param {Number} pastedDimensions.height\n// @param {Number} pastedDimensions.width\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:table/tableutils~TableUtils} tableUtils\n// @returns {Object} selection\n// @returns {Number} selection.firstColumn\n// @returns {Number} selection.firstRow\n// @returns {Number} selection.lastColumn\n// @returns {Number} selection.lastRow\nfunction prepareTableForPasting( selectedTableCells, pastedDimensions, writer, tableUtils ) {\n\tconst selectedTable = selectedTableCells[ 0 ].findAncestor( 'table' );\n\n\tconst columnIndexes = getColumnIndexes( selectedTableCells );\n\tconst rowIndexes = getRowIndexes( selectedTableCells );\n\n\tconst selection = {\n\t\tfirstColumn: columnIndexes.first,\n\t\tlastColumn: columnIndexes.last,\n\t\tfirstRow: rowIndexes.first,\n\t\tlastRow: rowIndexes.last\n\t};\n\n\t// Single cell selected - expand selection to pasted table dimensions.\n\tconst shouldExpandSelection = selectedTableCells.length === 1;\n\n\tif ( shouldExpandSelection ) {\n\t\tselection.lastRow += pastedDimensions.height - 1;\n\t\tselection.lastColumn += pastedDimensions.width - 1;\n\n\t\texpandTableSize( selectedTable, selection.lastRow + 1, selection.lastColumn + 1, tableUtils );\n\t}\n\n\t// In case of expanding selection we do not reset the selection so in this case we will always try to fix selection\n\t// like in the case of a non-rectangular area. This might be fixed by re-setting selected cells array but this shortcut is safe.\n\tif ( shouldExpandSelection || !isSelectionRectangular( selectedTableCells, tableUtils ) ) {\n\t\t// For a non-rectangular selection (ie in which some cells sticks out from a virtual selection rectangle) we need to create\n\t\t// a table layout that has a rectangular selection. This will split cells so the selection become rectangular.\n\t\t// Beyond this point we will operate on fixed content table.\n\t\tsplitCellsToRectangularSelection( selectedTable, selection, writer );\n\t}\n\t// However a selected table fragment might be invalid if examined alone. Ie such table fragment:\n\t//\n\t//    +---+---+---+---+\n\t//  0 | a | b | c | d |\n\t//    +   +   +---+---+\n\t//  1 |   | e | f | g |\n\t//    +   +---+   +---+\n\t//  2 |   | h |   | i | <- last row, each cell has rowspan = 2,\n\t//    +   +   +   +   +    so we need to return 3, not 2\n\t//  3 |   |   |   |   |\n\t//    +---+---+---+---+\n\t//\n\t// is invalid as the cells \"h\" and \"i\" have rowspans.\n\t// This case needs only adjusting the selection dimension as the rest of the algorithm operates on empty slots also.\n\telse {\n\t\tselection.lastRow = adjustLastRowIndex( selectedTable, selection );\n\t\tselection.lastColumn = adjustLastColumnIndex( selectedTable, selection );\n\t}\n\n\treturn selection;\n}\n\n// Expand table (in place) to expected size.\nfunction expandTableSize( table, expectedHeight, expectedWidth, tableUtils ) {\n\tconst tableWidth = tableUtils.getColumns( table );\n\tconst tableHeight = tableUtils.getRows( table );\n\n\tif ( expectedWidth > tableWidth ) {\n\t\ttableUtils.insertColumns( table, {\n\t\t\tat: tableWidth,\n\t\t\tcolumns: expectedWidth - tableWidth\n\t\t} );\n\t}\n\n\tif ( expectedHeight > tableHeight ) {\n\t\ttableUtils.insertRows( table, {\n\t\t\tat: tableHeight,\n\t\t\trows: expectedHeight - tableHeight\n\t\t} );\n\t}\n}\n\n// Returns two-dimensional array that is addressed by [ row ][ column ] that stores cells anchored at given location.\n//\n// At given row & column location it might be one of:\n//\n// * cell - cell from pasted table anchored at this location.\n// * null - if no cell is anchored at this location.\n//\n// For instance, from a table below:\n//\n//\t\t+----+----+----+----+\n//\t\t| 00 | 01 | 02 | 03 |\n//\t\t+    +----+----+----+\n//\t\t|    | 11      | 13 |\n//\t\t+----+         +----+\n//\t\t| 20 |         | 23 |\n//\t\t+----+----+----+----+\n//\n// The method will return an array (numbers represents cell element):\n//\n//\tconst map = [\n//\t\t[ '00', '01', '02', '03' ],\n//\t\t[ null, '11', null, '13' ],\n//\t\t[ '20', null, null, '23' ]\n//\t]\n//\n// This allows for a quick access to table at give row & column. For instance to access table cell \"13\" from pasted table call:\n//\n//\t\tconst cell = map[ 1 ][ 3 ]\n//\nfunction createLocationMap( table, width, height ) {\n\t// Create height x width (row x column) two-dimensional table to store cells.\n\tconst map = new Array( height ).fill( null )\n\t\t.map( () => new Array( width ).fill( null ) );\n\n\tfor ( const { column, row, cell } of new TableWalker( table ) ) {\n\t\tmap[ row ][ column ] = cell;\n\t}\n\n\treturn map;\n}\n\n// Make selected cells rectangular by splitting the cells that stand out from a rectangular selection.\n//\n// In the table below a selection is shown with \"::\" and slots with anchor cells are named.\n//\n// +----+----+----+----+----+                    +----+----+----+----+----+\n// | 00 | 01 | 02 | 03      |                    | 00 | 01 | 02 | 03      |\n// +    +----+    +----+----+                    |    ::::::::::::::::----+\n// |    | 11 |    | 13 | 14 |                    |    ::11 |    | 13:: 14 |    <- first row\n// +----+----+    +    +----+                    +----::---|    |   ::----+\n// | 20 | 21 |    |    | 24 |   select cells:    | 20 ::21 |    |   :: 24 |\n// +----+----+    +----+----+     11 -> 33       +----::---|    |---::----+\n// | 30      |    | 33 | 34 |                    | 30 ::   |    | 33:: 34 |    <- last row\n// +         +    +----+    +                    |    ::::::::::::::::    +\n// |         |    | 43 |    |                    |         |    | 43 |    |\n// +----+----+----+----+----+                    +----+----+----+----+----+\n//                                                      ^          ^\n//                                                     first & last columns\n//\n// Will update table to:\n//\n//                       +----+----+----+----+----+\n//                       | 00 | 01 | 02 | 03      |\n//                       +    +----+----+----+----+\n//                       |    | 11 |    | 13 | 14 |\n//                       +----+----+    +    +----+\n//                       | 20 | 21 |    |    | 24 |\n//                       +----+----+    +----+----+\n//                       | 30 |    |    | 33 | 34 |\n//                       +    +----+----+----+    +\n//                       |    |    |    | 43 |    |\n//                       +----+----+----+----+----+\n//\n// In th example above:\n// - Cell \"02\" which have `rowspan = 4` must be trimmed at first and at after last row.\n// - Cell \"03\" which have `rowspan = 2` and `colspan = 2` must be trimmed at first column and after last row.\n// - Cells \"00\", \"03\" & \"30\" which cannot be cut by this algorithm as they are outside the trimmed area.\n// - Cell \"13\" cannot be cut as it is inside the trimmed area.\nfunction splitCellsToRectangularSelection( table, dimensions, writer ) {\n\tconst { firstRow, lastRow, firstColumn, lastColumn } = dimensions;\n\n\tconst rowIndexes = { first: firstRow, last: lastRow };\n\tconst columnIndexes = { first: firstColumn, last: lastColumn };\n\n\t// 1. Split cells vertically in two steps as first step might create cells that needs to split again.\n\tdoVerticalSplit( table, firstColumn, rowIndexes, writer );\n\tdoVerticalSplit( table, lastColumn + 1, rowIndexes, writer );\n\n\t// 2. Split cells horizontally in two steps as first step might create cells that needs to split again.\n\tdoHorizontalSplit( table, firstRow, columnIndexes, writer );\n\tdoHorizontalSplit( table, lastRow + 1, columnIndexes, writer, firstRow );\n}\n\nfunction doHorizontalSplit( table, splitRow, limitColumns, writer, startRow = 0 ) {\n\t// If selection starts at first row then no split is needed.\n\tif ( splitRow < 1 ) {\n\t\treturn;\n\t}\n\n\tconst overlappingCells = getVerticallyOverlappingCells( table, splitRow, startRow );\n\n\t// Filter out cells that are not touching insides of the rectangular selection.\n\tconst cellsToSplit = overlappingCells.filter( ( { column, cellWidth } ) => isAffectedBySelection( column, cellWidth, limitColumns ) );\n\n\treturn cellsToSplit.map( ( { cell } ) => splitHorizontally( cell, splitRow, writer ) );\n}\n\nfunction doVerticalSplit( table, splitColumn, limitRows, writer ) {\n\t// If selection starts at first column then no split is needed.\n\tif ( splitColumn < 1 ) {\n\t\treturn;\n\t}\n\n\tconst overlappingCells = getHorizontallyOverlappingCells( table, splitColumn );\n\n\t// Filter out cells that are not touching insides of the rectangular selection.\n\tconst cellsToSplit = overlappingCells.filter( ( { row, cellHeight } ) => isAffectedBySelection( row, cellHeight, limitRows ) );\n\n\treturn cellsToSplit.map( ( { cell, column } ) => splitVertically( cell, column, splitColumn, writer ) );\n}\n\n// Checks if cell at given row (column) is affected by a rectangular selection defined by first/last column (row).\n//\n// The same check is used for row as for column.\nfunction isAffectedBySelection( index, span, limit ) {\n\tconst endIndex = index + span - 1;\n\tconst { first, last } = limit;\n\n\tconst isInsideSelection = index >= first && index <= last;\n\tconst overlapsSelectionFromOutside = index < first && endIndex >= first;\n\n\treturn isInsideSelection || overlapsSelectionFromOutside;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablekeyboard\n */\n\nimport TableSelection from './tableselection';\nimport TableWalker from './tablewalker';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\nimport {\n\tisArrowKeyCode,\n\tgetLocalizedArrowKeyCodeDirection\n} from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport { getSelectedTableCells, getTableCellsContainingSelection } from './utils/selection';\n\n/**\n * This plugin enables keyboard navigation for tables.\n * It is loaded automatically by the {@link module:table/table~Table} plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableKeyboard extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableKeyboard';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableSelection ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst view = this.editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// Handle Tab key navigation.\n\t\tthis.editor.keystrokes.set( 'Tab', ( ...args ) => this._handleTabOnSelectedTable( ...args ), { priority: 'low' } );\n\t\tthis.editor.keystrokes.set( 'Tab', this._getTabHandler( true ), { priority: 'low' } );\n\t\tthis.editor.keystrokes.set( 'Shift+Tab', this._getTabHandler( false ), { priority: 'low' } );\n\n\t\t// Note: This listener has the \"high-10\" priority because it should allow the Widget plugin to handle the default\n\t\t// behavior first (\"high\") but it should not be \"prevent–defaulted\" by the Widget plugin (\"high-20\") because of\n\t\t// the fake selection retention on the fully selected widget.\n\t\tthis.listenTo( viewDocument, 'keydown', ( ...args ) => this._onKeydown( ...args ), { priority: priorities.get( 'high' ) - 10 } );\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:keydown keydown} events for the <kbd>Tab</kbd> key executed\n\t * when the table widget is selected.\n\t *\n\t * @private\n\t * @param {module:engine/view/observer/keyobserver~KeyEventData} data Key event data.\n\t * @param {Function} cancel The stop/stopPropagation/preventDefault function.\n\t */\n\t_handleTabOnSelectedTable( data, cancel ) {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\tif ( !selectedElement || !selectedElement.is( 'element', 'table' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tcancel();\n\n\t\teditor.model.change( writer => {\n\t\t\twriter.setSelection( writer.createRangeIn( selectedElement.getChild( 0 ).getChild( 0 ) ) );\n\t\t} );\n\t}\n\n\t/**\n\t * Returns a handler for {@link module:engine/view/document~Document#event:keydown keydown} events for the <kbd>Tab</kbd> key executed\n\t * inside table cells.\n\t *\n\t * @private\n\t * @param {Boolean} isForward Whether this handler will move the selection to the next or the previous cell.\n\t */\n\t_getTabHandler( isForward ) {\n\t\tconst editor = this.editor;\n\n\t\treturn ( domEventData, cancel ) => {\n\t\t\tconst selection = editor.model.document.selection;\n\t\t\tlet tableCell = getTableCellsContainingSelection( selection )[ 0 ];\n\n\t\t\tif ( !tableCell ) {\n\t\t\t\ttableCell = this.editor.plugins.get( 'TableSelection' ).getFocusCell();\n\t\t\t}\n\n\t\t\tif ( !tableCell ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tcancel();\n\n\t\t\tconst tableRow = tableCell.parent;\n\t\t\tconst table = tableRow.parent;\n\n\t\t\tconst currentRowIndex = table.getChildIndex( tableRow );\n\t\t\tconst currentCellIndex = tableRow.getChildIndex( tableCell );\n\n\t\t\tconst isFirstCellInRow = currentCellIndex === 0;\n\n\t\t\tif ( !isForward && isFirstCellInRow && currentRowIndex === 0 ) {\n\t\t\t\t// Set the selection over the whole table if the selection was in the first table cell.\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.setSelection( writer.createRangeOn( table ) );\n\t\t\t\t} );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst isLastCellInRow = currentCellIndex === tableRow.childCount - 1;\n\t\t\tconst isLastRow = currentRowIndex === table.childCount - 1;\n\n\t\t\tif ( isForward && isLastRow && isLastCellInRow ) {\n\t\t\t\teditor.execute( 'insertTableRowBelow' );\n\n\t\t\t\t// Check if the command actually added a row. If `insertTableRowBelow` execution didn't add a row (because it was disabled\n\t\t\t\t// or it got overwritten) set the selection over the whole table to mirror the first cell case.\n\t\t\t\tif ( currentRowIndex === table.childCount - 1 ) {\n\t\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\t\twriter.setSelection( writer.createRangeOn( table ) );\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tlet cellToFocus;\n\n\t\t\t// Move to the first cell in the next row.\n\t\t\tif ( isForward && isLastCellInRow ) {\n\t\t\t\tconst nextRow = table.getChild( currentRowIndex + 1 );\n\n\t\t\t\tcellToFocus = nextRow.getChild( 0 );\n\t\t\t}\n\t\t\t// Move to the last cell in the previous row.\n\t\t\telse if ( !isForward && isFirstCellInRow ) {\n\t\t\t\tconst previousRow = table.getChild( currentRowIndex - 1 );\n\n\t\t\t\tcellToFocus = previousRow.getChild( previousRow.childCount - 1 );\n\t\t\t}\n\t\t\t// Move to the next/previous cell.\n\t\t\telse {\n\t\t\t\tcellToFocus = tableRow.getChild( currentCellIndex + ( isForward ? 1 : -1 ) );\n\t\t\t}\n\n\t\t\teditor.model.change( writer => {\n\t\t\t\twriter.setSelection( writer.createRangeIn( cellToFocus ) );\n\t\t\t} );\n\t\t};\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:keydown keydown} events.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} eventInfo\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t */\n\t_onKeydown( eventInfo, domEventData ) {\n\t\tconst editor = this.editor;\n\t\tconst keyCode = domEventData.keyCode;\n\n\t\tif ( !isArrowKeyCode( keyCode ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst direction = getLocalizedArrowKeyCodeDirection( keyCode, editor.locale.contentLanguageDirection );\n\t\tconst wasHandled = this._handleArrowKeys( direction, domEventData.shiftKey );\n\n\t\tif ( wasHandled ) {\n\t\t\tdomEventData.preventDefault();\n\t\t\tdomEventData.stopPropagation();\n\t\t\teventInfo.stop();\n\t\t}\n\t}\n\n\t/**\n\t * Handles arrow keys to move the selection around the table.\n\t *\n\t * @private\n\t * @param {'left'|'up'|'right'|'down'} direction The direction of the arrow key.\n\t * @param {Boolean} expandSelection If the current selection should be expanded.\n\t * @returns {Boolean} Returns `true` if key was handled.\n\t */\n\t_handleArrowKeys( direction, expandSelection ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst isForward = [ 'right', 'down' ].includes( direction );\n\n\t\t// In case one or more table cells are selected (from outside),\n\t\t// move the selection to a cell adjacent to the selected table fragment.\n\t\tconst selectedCells = getSelectedTableCells( selection );\n\n\t\tif ( selectedCells.length ) {\n\t\t\tlet focusCell;\n\n\t\t\tif ( expandSelection ) {\n\t\t\t\tfocusCell = this.editor.plugins.get( 'TableSelection' ).getFocusCell();\n\t\t\t} else {\n\t\t\t\tfocusCell = isForward ? selectedCells[ selectedCells.length - 1 ] : selectedCells[ 0 ];\n\t\t\t}\n\n\t\t\tthis._navigateFromCellInDirection( focusCell, direction, expandSelection );\n\n\t\t\treturn true;\n\t\t}\n\n\t\t// Abort if we're not in a table cell.\n\t\tconst tableCell = selection.focus.findAncestor( 'tableCell' );\n\n\t\tif ( !tableCell ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Navigation is in the opposite direction than the selection direction so this is shrinking of the selection.\n\t\t// Selection for sure will not approach cell edge.\n\t\tif ( expandSelection && !selection.isCollapsed && selection.isBackward == isForward ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Let's check if the selection is at the beginning/end of the cell.\n\t\tif ( this._isSelectionAtCellEdge( selection, tableCell, isForward ) ) {\n\t\t\tthis._navigateFromCellInDirection( tableCell, direction, expandSelection );\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Returns `true` if the selection is at the boundary of a table cell according to the navigation direction.\n\t *\n\t * @private\n\t * @param {module:engine/model/selection~Selection} selection The current selection.\n\t * @param {module:engine/model/element~Element} tableCell The current table cell element.\n\t * @param {Boolean} isForward The expected navigation direction.\n\t * @returns {Boolean}\n\t */\n\t_isSelectionAtCellEdge( selection, tableCell, isForward ) {\n\t\tconst model = this.editor.model;\n\t\tconst schema = this.editor.model.schema;\n\n\t\tconst focus = isForward ? selection.getLastPosition() : selection.getFirstPosition();\n\n\t\t// If the current limit element is not table cell we are for sure not at the cell edge.\n\t\t// Also `modifySelection` will not let us out of it.\n\t\tif ( !schema.getLimitElement( focus ).is( 'element', 'tableCell' ) ) {\n\t\t\tconst boundaryPosition = model.createPositionAt( tableCell, isForward ? 'end' : 0 );\n\n\t\t\treturn boundaryPosition.isTouching( focus );\n\t\t}\n\n\t\tconst probe = model.createSelection( focus );\n\n\t\tmodel.modifySelection( probe, { direction: isForward ? 'forward' : 'backward' } );\n\n\t\t// If there was no change in the focus position, then it's not possible to move the selection there.\n\t\treturn focus.isEqual( probe.focus );\n\t}\n\n\t/**\n\t * Moves the selection from the given table cell in the specified direction.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} focusCell The table cell that is current multi-cell selection focus.\n\t * @param {'left'|'up'|'right'|'down'} direction Direction in which selection should move.\n\t * @param {Boolean} [expandSelection=false] If the current selection should be expanded.\n\t */\n\t_navigateFromCellInDirection( focusCell, direction, expandSelection = false ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst table = focusCell.findAncestor( 'table' );\n\t\tconst tableMap = [ ...new TableWalker( table, { includeAllSlots: true } ) ];\n\t\tconst { row: lastRow, column: lastColumn } = tableMap[ tableMap.length - 1 ];\n\n\t\tconst currentCellInfo = tableMap.find( ( { cell } ) => cell == focusCell );\n\t\tlet { row, column } = currentCellInfo;\n\n\t\tswitch ( direction ) {\n\t\t\tcase 'left':\n\t\t\t\tcolumn--;\n\t\t\t\tbreak;\n\n\t\t\tcase 'up':\n\t\t\t\trow--;\n\t\t\t\tbreak;\n\n\t\t\tcase 'right':\n\t\t\t\tcolumn += currentCellInfo.cellWidth;\n\t\t\t\tbreak;\n\n\t\t\tcase 'down':\n\t\t\t\trow += currentCellInfo.cellHeight;\n\t\t\t\tbreak;\n\t\t}\n\n\t\tconst isOutsideVertically = row < 0 || row > lastRow;\n\t\tconst isBeforeFirstCell = column < 0 && row <= 0;\n\t\tconst isAfterLastCell = column > lastColumn && row >= lastRow;\n\n\t\t// Note that if the table cell at the end of a row is row-spanned then isAfterLastCell will never be true.\n\t\t// However, we don't know if user was navigating on the last row or not, so let's stay in the table.\n\n\t\tif ( isOutsideVertically || isBeforeFirstCell || isAfterLastCell ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( writer.createRangeOn( table ) );\n\t\t\t} );\n\n\t\t\treturn;\n\t\t}\n\n\t\tif ( column < 0 ) {\n\t\t\tcolumn = expandSelection ? 0 : lastColumn;\n\t\t\trow--;\n\t\t} else if ( column > lastColumn ) {\n\t\t\tcolumn = expandSelection ? lastColumn : 0;\n\t\t\trow++;\n\t\t}\n\n\t\tconst cellToSelect = tableMap.find( cellInfo => cellInfo.row == row && cellInfo.column == column ).cell;\n\t\tconst isForward = [ 'right', 'down' ].includes( direction );\n\t\tconst tableSelection = this.editor.plugins.get( 'TableSelection' );\n\n\t\tif ( expandSelection && tableSelection.isEnabled ) {\n\t\t\tconst anchorCell = tableSelection.getAnchorCell() || focusCell;\n\n\t\t\ttableSelection.setCellSelection( anchorCell, cellToSelect );\n\t\t} else {\n\t\t\tconst positionToSelect = model.createPositionAt( cellToSelect, isForward ? 0 : 'end' );\n\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( positionToSelect );\n\t\t\t} );\n\t\t}\n\t}\n}\n\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableselection/mouseeventsobserver\n */\n\nimport DomEventObserver from '@ckeditor/ckeditor5-engine/src/view/observer/domeventobserver';\n\n/**\n * The mouse selection event observer.\n *\n * It registers listeners for the following DOM events:\n *\n * - `'mousemove'`\n * - `'mouseup'`\n * - `'mouseleave'`\n *\n * Note that this observer is disabled by default. To enable this observer, it needs to be added to\n * {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.\n *\n * The observer is registered by the {@link module:table/tableselection~TableSelection} plugin.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class MouseEventsObserver extends DomEventObserver {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'mousemove', 'mouseup', 'mouseleave' ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired when the mouse button is released over one of the editables.\n *\n * Introduced by {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver}.\n *\n * Note that this event is not available by default. To make it available,\n * {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver} needs to be added\n * to {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:table/tableselection/mouseeventsobserver~MouseEventsObserver\n * @event module:engine/view/document~Document#event:mouseup\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when the mouse is moved over one of the editables.\n *\n * Introduced by {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver}.\n *\n * Note that this event is not available by default. To make it available,\n * {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver} needs to be added\n * to {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:table/tableselection/mouseeventsobserver~MouseEventsObserver\n * @event module:engine/view/document~Document#event:mousemove\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when the mouse is moved out of one of the editables.\n *\n * Introduced by {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver}.\n *\n * Note that this event is not available by default. To make it available,\n * {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver} needs to be added\n * to {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:table/tableselection/mouseeventsobserver~MouseEventsObserver\n * @event module:engine/view/document~Document#event:mouseleave\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablemouse\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport TableSelection from './tableselection';\nimport MouseEventsObserver from './tablemouse/mouseeventsobserver';\n\nimport { getTableCellsContainingSelection } from './utils/selection';\n\n/**\n * This plugin enables a table cells' selection with the mouse.\n * It is loaded automatically by the {@link module:table/table~Table} plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableMouse extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableMouse';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableSelection ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Currently the MouseObserver only handles `mouseup` events.\n\t\t// TODO move to the engine?\n\t\teditor.editing.view.addObserver( MouseEventsObserver );\n\n\t\tthis._enableShiftClickSelection();\n\t\tthis._enableMouseDragSelection();\n\t}\n\n\t/**\n\t * Enables making cells selection by <kbd>Shift</kbd>+click. Creates a selection from the cell which previously held\n\t * the selection to the cell which was clicked. It can be the same cell, in which case it selects a single cell.\n\t *\n\t * @private\n\t */\n\t_enableShiftClickSelection() {\n\t\tconst editor = this.editor;\n\t\tlet blockSelectionChange = false;\n\n\t\tconst tableSelection = editor.plugins.get( TableSelection );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mousedown', ( evt, domEventData ) => {\n\t\t\tif ( !this.isEnabled || !tableSelection.isEnabled ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !domEventData.domEvent.shiftKey ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst anchorCell = tableSelection.getAnchorCell() || getTableCellsContainingSelection( editor.model.document.selection )[ 0 ];\n\n\t\t\tif ( !anchorCell ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst targetCell = this._getModelTableCellFromDomEvent( domEventData );\n\n\t\t\tif ( targetCell && haveSameTableParent( anchorCell, targetCell ) ) {\n\t\t\t\tblockSelectionChange = true;\n\t\t\t\ttableSelection.setCellSelection( anchorCell, targetCell );\n\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t}\n\t\t} );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mouseup', () => {\n\t\t\tblockSelectionChange = false;\n\t\t} );\n\n\t\t// We need to ignore a `selectionChange` event that is fired after we render our new table cells selection.\n\t\t// When downcasting table cells selection to the view, we put the view selection in the last selected cell\n\t\t// in a place that may not be natively a \"correct\" location. This is – we put it directly in the `<td>` element.\n\t\t// All browsers fire the native `selectionchange` event.\n\t\t// However, all browsers except Safari return the selection in the exact place where we put it\n\t\t// (even though it's visually normalized). Safari returns `<td><p>^foo` that makes our selection observer\n\t\t// fire our `selectionChange` event (because the view selection that we set in the first step differs from the DOM selection).\n\t\t// Since `selectionChange` is fired, we automatically update the model selection that moves it that paragraph.\n\t\t// This breaks our dear cells selection.\n\t\t//\n\t\t// Theoretically this issue concerns only Safari that is the only browser that do normalize the selection.\n\t\t// However, to avoid code branching and to have a good coverage for this event blocker, I enabled it for all browsers.\n\t\t//\n\t\t// Note: I'm keeping the `blockSelectionChange` state separately for shift+click and mouse drag (exact same logic)\n\t\t// so I don't have to try to analyze whether they don't overlap in some weird cases. Probably they don't.\n\t\t// But I have other things to do, like writing this comment.\n\t\tthis.listenTo( editor.editing.view.document, 'selectionChange', evt => {\n\t\t\tif ( blockSelectionChange ) {\n\t\t\t\t// @if CK_DEBUG // console.log( 'Blocked selectionChange to avoid breaking table cells selection.' );\n\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\t}\n\n\t/**\n\t * Enables making cells selection by dragging.\n\t *\n\t * The selection is made only on mousemove. Mouse tracking is started on mousedown.\n\t * However, the cells selection is enabled only after the mouse cursor left the anchor cell.\n\t * Thanks to that normal text selection within one cell works just fine. However, you can still select\n\t * just one cell by leaving the anchor cell and moving back to it.\n\t *\n\t * @private\n\t */\n\t_enableMouseDragSelection() {\n\t\tconst editor = this.editor;\n\t\tlet anchorCell, targetCell;\n\t\tlet beganCellSelection = false;\n\t\tlet blockSelectionChange = false;\n\n\t\tconst tableSelection = editor.plugins.get( TableSelection );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mousedown', ( evt, domEventData ) => {\n\t\t\tif ( !this.isEnabled || !tableSelection.isEnabled ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Make sure to not conflict with the shift+click listener and any other possible handler.\n\t\t\tif ( domEventData.domEvent.shiftKey || domEventData.domEvent.ctrlKey || domEventData.domEvent.altKey ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tanchorCell = this._getModelTableCellFromDomEvent( domEventData );\n\t\t} );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mousemove', ( evt, domEventData ) => {\n\t\t\tif ( !domEventData.domEvent.buttons ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !anchorCell ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst newTargetCell = this._getModelTableCellFromDomEvent( domEventData );\n\n\t\t\tif ( newTargetCell && haveSameTableParent( anchorCell, newTargetCell ) ) {\n\t\t\t\ttargetCell = newTargetCell;\n\n\t\t\t\t// Switch to the cell selection mode after the mouse cursor left the anchor cell.\n\t\t\t\t// Switch off only on mouseup (makes selecting a single cell possible).\n\t\t\t\tif ( !beganCellSelection && targetCell != anchorCell ) {\n\t\t\t\t\tbeganCellSelection = true;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Yep, not making a cell selection yet. See method docs.\n\t\t\tif ( !beganCellSelection ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tblockSelectionChange = true;\n\t\t\ttableSelection.setCellSelection( anchorCell, targetCell );\n\n\t\t\tdomEventData.preventDefault();\n\t\t} );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mouseup', () => {\n\t\t\tbeganCellSelection = false;\n\t\t\tblockSelectionChange = false;\n\t\t\tanchorCell = null;\n\t\t\ttargetCell = null;\n\t\t} );\n\n\t\t// See the explanation in `_enableShiftClickSelection()`.\n\t\tthis.listenTo( editor.editing.view.document, 'selectionChange', evt => {\n\t\t\tif ( blockSelectionChange ) {\n\t\t\t\t// @if CK_DEBUG // console.log( 'Blocked selectionChange to avoid breaking table cells selection.' );\n\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\t}\n\n\t/**\n\t * Returns the model table cell element based on the target element of the passed DOM event.\n\t *\n\t * @private\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t * @returns {module:engine/model/element~Element|undefined} Returns the table cell or `undefined`.\n\t */\n\t_getModelTableCellFromDomEvent( domEventData ) {\n\t\t// Note: Work with positions (not element mapping) because the target element can be an attribute or other non-mapped element.\n\t\tconst viewTargetElement = domEventData.target;\n\t\tconst viewPosition = this.editor.editing.view.createPositionAt( viewTargetElement, 0 );\n\t\tconst modelPosition = this.editor.editing.mapper.toModelPosition( viewPosition );\n\t\tconst modelElement = modelPosition.parent;\n\n\t\treturn modelElement.findAncestor( 'tableCell', { includeSelf: true } );\n\t}\n}\n\nfunction haveSameTableParent( cellA, cellB ) {\n\treturn cellA.parent.parent == cellB.parent.parent;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/ui/widget\n */\n\nimport { isWidget } from '@ckeditor/ckeditor5-widget/src/utils';\n\n/**\n * Returns a table widget editing view element if one is selected.\n *\n * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} selection\n * @returns {module:engine/view/element~Element|null}\n */\nexport function getSelectedTableWidget( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\tif ( viewElement && isTableWidget( viewElement ) ) {\n\t\treturn viewElement;\n\t}\n\n\treturn null;\n}\n\n/**\n * Returns a table widget editing view element if one is among the selection's ancestors.\n *\n * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} selection\n * @returns {module:engine/view/element~Element|null}\n */\nexport function getTableWidgetAncestor( selection ) {\n\tconst parentTable = findAncestor( 'table', selection.getFirstPosition() );\n\n\tif ( parentTable && isTableWidget( parentTable.parent ) ) {\n\t\treturn parentTable.parent;\n\t}\n\n\treturn null;\n}\n\n// Checks if a given view element is a table widget.\n//\n// @param {module:engine/view/element~Element} viewElement\n// @returns {Boolean}\nfunction isTableWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( 'table' ) && isWidget( viewElement );\n}\n\nfunction findAncestor( parentName, positionOrElement ) {\n\tlet parent = positionOrElement.parent;\n\n\twhile ( parent ) {\n\t\tif ( parent.name === parentName ) {\n\t\t\treturn parent;\n\t\t}\n\n\t\tparent = parent.parent;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/styles/utils\n */\n\nconst HEX_COLOR_REGEXP = /^#([0-9a-f]{3,4}|[0-9a-f]{6}|[0-9a-f]{8})$/i;\nconst RGB_COLOR_REGEXP = /^rgb\\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}[0-9]{1,3}[ %]?\\)$/i;\nconst RGBA_COLOR_REGEXP = /^rgba\\([ ]?([0-9]{1,3}[ %]?,[ ]?){3}(1|[0-9]+%|[0]?\\.?[0-9]+)\\)$/i;\nconst HSL_COLOR_REGEXP = /^hsl\\([ ]?([0-9]{1,3}[ %]?[,]?[ ]*){3}(1|[0-9]+%|[0]?\\.?[0-9]+)?\\)$/i;\nconst HSLA_COLOR_REGEXP = /^hsla\\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}(1|[0-9]+%|[0]?\\.?[0-9]+)\\)$/i;\n\nconst COLOR_NAMES = new Set( [\n\t// CSS Level 1\n\t'black', 'silver', 'gray', 'white', 'maroon', 'red', 'purple', 'fuchsia',\n\t'green', 'lime', 'olive', 'yellow', 'navy', 'blue', 'teal', 'aqua',\n\t// CSS Level 2 (Revision 1)\n\t'orange',\n\t// CSS Color Module Level 3\n\t'aliceblue', 'antiquewhite', 'aquamarine', 'azure', 'beige', 'bisque', 'blanchedalmond', 'blueviolet', 'brown',\n\t'burlywood', 'cadetblue', 'chartreuse', 'chocolate', 'coral', 'cornflowerblue', 'cornsilk', 'crimson', 'cyan',\n\t'darkblue', 'darkcyan', 'darkgoldenrod', 'darkgray', 'darkgreen', 'darkgrey', 'darkkhaki', 'darkmagenta',\n\t'darkolivegreen', 'darkorange', 'darkorchid', 'darkred', 'darksalmon', 'darkseagreen', 'darkslateblue',\n\t'darkslategray', 'darkslategrey', 'darkturquoise', 'darkviolet', 'deeppink', 'deepskyblue', 'dimgray', 'dimgrey',\n\t'dodgerblue', 'firebrick', 'floralwhite', 'forestgreen', 'gainsboro', 'ghostwhite', 'gold', 'goldenrod',\n\t'greenyellow', 'grey', 'honeydew', 'hotpink', 'indianred', 'indigo', 'ivory', 'khaki', 'lavender', 'lavenderblush',\n\t'lawngreen', 'lemonchiffon', 'lightblue', 'lightcoral', 'lightcyan', 'lightgoldenrodyellow', 'lightgray',\n\t'lightgreen', 'lightgrey', 'lightpink', 'lightsalmon', 'lightseagreen', 'lightskyblue', 'lightslategray',\n\t'lightslategrey', 'lightsteelblue', 'lightyellow', 'limegreen', 'linen', 'magenta', 'mediumaquamarine',\n\t'mediumblue', 'mediumorchid', 'mediumpurple', 'mediumseagreen', 'mediumslateblue', 'mediumspringgreen',\n\t'mediumturquoise', 'mediumvioletred', 'midnightblue', 'mintcream', 'mistyrose', 'moccasin', 'navajowhite',\n\t'oldlace', 'olivedrab', 'orangered', 'orchid', 'palegoldenrod', 'palegreen', 'paleturquoise', 'palevioletred',\n\t'papayawhip', 'peachpuff', 'peru', 'pink', 'plum', 'powderblue', 'rosybrown', 'royalblue', 'saddlebrown', 'salmon',\n\t'sandybrown', 'seagreen', 'seashell', 'sienna', 'skyblue', 'slateblue', 'slategray', 'slategrey', 'snow',\n\t'springgreen', 'steelblue', 'tan', 'thistle', 'tomato', 'turquoise', 'violet', 'wheat', 'whitesmoke', 'yellowgreen',\n\t// CSS Color Module Level 4\n\t'rebeccapurple',\n\t// Keywords\n\t'currentcolor', 'transparent'\n] );\n\n/**\n * Checks if string contains [color](https://developer.mozilla.org/en-US/docs/Web/CSS/color) CSS value.\n *\n *\t\tisColor( '#f00' );\t\t\t\t\t\t// true\n *\t\tisColor( '#AA00BB33' );\t\t\t\t\t// true\n *\t\tisColor( 'rgb(0, 0, 250)' );\t\t\t// true\n *\t\tisColor( 'hsla(240, 100%, 50%, .7)' );\t// true\n *\t\tisColor( 'deepskyblue' );\t\t\t\t// true\n *\n * **Note**: It does not support CSS Level 4 whitespace syntax, system colors and radius values for HSL colors.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isColor( string ) {\n\t// As far as I was able to test checking some pre-conditions is faster than joining each test with ||.\n\tif ( string.startsWith( '#' ) ) {\n\t\treturn HEX_COLOR_REGEXP.test( string );\n\t}\n\n\tif ( string.startsWith( 'rgb' ) ) {\n\t\treturn RGB_COLOR_REGEXP.test( string ) || RGBA_COLOR_REGEXP.test( string );\n\t}\n\n\tif ( string.startsWith( 'hsl' ) ) {\n\t\treturn HSL_COLOR_REGEXP.test( string ) || HSLA_COLOR_REGEXP.test( string );\n\t}\n\n\t// Array check > RegExp test.\n\treturn COLOR_NAMES.has( string.toLowerCase() );\n}\n\nconst lineStyleValues = [ 'none', 'hidden', 'dotted', 'dashed', 'solid', 'double', 'groove', 'ridge', 'inset', 'outset' ];\n\n/**\n * Checks if string contains [line style](https://developer.mozilla.org/en-US/docs/Web/CSS/border-style) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isLineStyle( string ) {\n\treturn lineStyleValues.includes( string );\n}\n\nconst lengthRegExp = /^([+-]?[0-9]*[.]?[0-9]+(px|cm|mm|in|pc|pt|ch|em|ex|rem|vh|vw|vmin|vmax)|0)$/;\n\n/**\n * Checks if string contains [length](https://developer.mozilla.org/en-US/docs/Web/CSS/length) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isLength( string ) {\n\treturn lengthRegExp.test( string );\n}\n\nconst PERCENTAGE_VALUE_REGEXP = /^[+-]?[0-9]*[.]?[0-9]+%$/;\n\n/**\n * Checks if string contains [percentage](https://developer.mozilla.org/en-US/docs/Web/CSS/percentage) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isPercentage( string ) {\n\treturn PERCENTAGE_VALUE_REGEXP.test( string );\n}\n\nconst repeatValues = [ 'repeat-x', 'repeat-y', 'repeat', 'space', 'round', 'no-repeat' ];\n\n/**\n * Checks if string contains [background repeat](https://developer.mozilla.org/en-US/docs/Web/CSS/background-repeat) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isRepeat( string ) {\n\treturn repeatValues.includes( string );\n}\n\nconst positionValues = [ 'center', 'top', 'bottom', 'left', 'right' ];\n\n/**\n * Checks if string contains [background position](https://developer.mozilla.org/en-US/docs/Web/CSS/background-position) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isPosition( string ) {\n\treturn positionValues.includes( string );\n}\n\nconst attachmentValues = [ 'fixed', 'scroll', 'local' ];\n\n/**\n * Checks if string contains [background attachment](https://developer.mozilla.org/en-US/docs/Web/CSS/background-attachment) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isAttachment( string ) {\n\treturn attachmentValues.includes( string );\n}\n\nconst urlRegExp = /^url\\(/;\n\n/**\n * Checks if string contains [URL](https://developer.mozilla.org/en-US/docs/Web/CSS/url) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isURL( string ) {\n\treturn urlRegExp.test( string );\n}\n\nexport function getBoxSidesValues( value = '' ) {\n\tif ( value === '' ) {\n\t\treturn { top: undefined, right: undefined, bottom: undefined, left: undefined };\n\t}\n\n\tconst values = getShorthandValues( value );\n\n\tconst top = values[ 0 ];\n\tconst bottom = values[ 2 ] || top;\n\tconst right = values[ 1 ] || top;\n\tconst left = values[ 3 ] || right;\n\n\treturn { top, bottom, right, left };\n}\n\n/**\n * Default reducer for CSS properties that concerns edges of a box\n * [shorthand](https://developer.mozilla.org/en-US/docs/Web/CSS/Shorthand_properties) notations:\n *\n *\t\tstylesProcessor.setReducer( 'padding', getBoxSidesValueReducer( 'padding' ) );\n *\n * @param {String} styleShorthand\n * @returns {Function}\n */\nexport function getBoxSidesValueReducer( styleShorthand ) {\n\treturn value => {\n\t\tconst { top, right, bottom, left } = value;\n\n\t\tconst reduced = [];\n\n\t\tif ( ![ top, right, left, bottom ].every( value => !!value ) ) {\n\t\t\tif ( top ) {\n\t\t\t\treduced.push( [ styleShorthand + '-top', top ] );\n\t\t\t}\n\n\t\t\tif ( right ) {\n\t\t\t\treduced.push( [ styleShorthand + '-right', right ] );\n\t\t\t}\n\n\t\t\tif ( bottom ) {\n\t\t\t\treduced.push( [ styleShorthand + '-bottom', bottom ] );\n\t\t\t}\n\n\t\t\tif ( left ) {\n\t\t\t\treduced.push( [ styleShorthand + '-left', left ] );\n\t\t\t}\n\t\t} else {\n\t\t\treduced.push( [ styleShorthand, getBoxSidesShorthandValue( value ) ] );\n\t\t}\n\n\t\treturn reduced;\n\t};\n}\n\n/**\n * Returns a [shorthand](https://developer.mozilla.org/en-US/docs/Web/CSS/Shorthand_properties) notation\n * of a CSS property value.\n *\n *\t\tgetBoxSidesShorthandValue( { top: '1px', right: '1px', bottom: '2px', left: '1px' } );\n *\t\t// will return '1px 1px 2px'\n *\n * @param {module:engine/view/stylesmap~BoxSides} styleShorthand\n * @returns {Function}\n */\nexport function getBoxSidesShorthandValue( { top, right, bottom, left } ) {\n\tconst out = [];\n\n\tif ( left !== right ) {\n\t\tout.push( top, right, bottom, left );\n\t} else if ( bottom !== top ) {\n\t\tout.push( top, right, bottom );\n\t} else if ( right !== top ) {\n\t\tout.push( top, right );\n\t} else {\n\t\tout.push( top );\n\t}\n\n\treturn out.join( ' ' );\n}\n\n/**\n * Creates a normalizer for a [shorthand](https://developer.mozilla.org/en-US/docs/Web/CSS/Shorthand_properties) 1-to-4 value.\n *\n *\t\tstylesProcessor.setNormalizer( 'margin', getPositionShorthandNormalizer( 'margin' ) );\n *\n * @param {String} shorthand\n * @returns {Function}\n */\nexport function getPositionShorthandNormalizer( shorthand ) {\n\treturn value => {\n\t\treturn {\n\t\t\tpath: shorthand,\n\t\t\tvalue: getBoxSidesValues( value )\n\t\t};\n\t};\n}\n\n/**\n * Parses parts of a 1-to-4 value notation - handles some CSS values with spaces (like RGB()).\n *\n *\t\tgetShorthandValues( 'red blue RGB(0, 0, 0)');\n *\t\t// will return [ 'red', 'blue', 'RGB(0, 0, 0)' ]\n *\n * @param {String} string\n * @returns {Array.<String>}\n */\nexport function getShorthandValues( string ) {\n\treturn string\n\t\t.replace( /, /g, ',' ) // Exclude comma from spaces evaluation as values are separated by spaces.\n\t\t.split( ' ' )\n\t\t.map( string => string.replace( /,/g, ', ' ) ); // Restore original notation.\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/styles/border\n */\n\nimport { getShorthandValues, getBoxSidesValueReducer, getBoxSidesValues, isLength, isLineStyle } from './utils';\n\n/**\n * Adds a border CSS styles processing rules.\n *\n *\t\teditor.data.addStyleProcessorRules( addBorderRules );\n *\n * This rules merges all [border](https://developer.mozilla.org/en-US/docs/Web/CSS/border) styles notation shorthands:\n *\n * - border\n * - border-top\n * - border-right\n * - border-bottom\n * - border-left\n * - border-color\n * - border-style\n * - border-width\n *\n * and all corresponding longhand forms (like `border-top-color`, `border-top-style`, etc).\n *\n * It does not handle other shorthands (like `border-radius` or `border-image`).\n *\n * The normalized model stores border values as:\n *\n *\t\tconst styles = {\n *\t\t\tborder: {\n *\t\t\t\tcolor: { top, right, bottom, left },\n *\t\t\t\tstyle: { top, right, bottom, left },\n *\t\t\t\twidth: { top, right, bottom, left },\n *\t\t\t}\n *\t\t};\n *\n * The `border` value is reduced to a 4 values for each box edge (even if they could be further reduces to a single\n * `border:<width> <style> <color>` style.\n *\n * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n */\nexport function addBorderRules( stylesProcessor ) {\n\tstylesProcessor.setNormalizer( 'border', borderNormalizer );\n\n\t// Border-position shorthands.\n\tstylesProcessor.setNormalizer( 'border-top', getBorderPositionNormalizer( 'top' ) );\n\tstylesProcessor.setNormalizer( 'border-right', getBorderPositionNormalizer( 'right' ) );\n\tstylesProcessor.setNormalizer( 'border-bottom', getBorderPositionNormalizer( 'bottom' ) );\n\tstylesProcessor.setNormalizer( 'border-left', getBorderPositionNormalizer( 'left' ) );\n\n\t// Border-property shorthands.\n\tstylesProcessor.setNormalizer( 'border-color', getBorderPropertyNormalizer( 'color' ) );\n\tstylesProcessor.setNormalizer( 'border-width', getBorderPropertyNormalizer( 'width' ) );\n\tstylesProcessor.setNormalizer( 'border-style', getBorderPropertyNormalizer( 'style' ) );\n\n\t// Border longhands.\n\tstylesProcessor.setNormalizer( 'border-top-color', getBorderPropertyPositionNormalizer( 'color', 'top' ) );\n\tstylesProcessor.setNormalizer( 'border-top-style', getBorderPropertyPositionNormalizer( 'style', 'top' ) );\n\tstylesProcessor.setNormalizer( 'border-top-width', getBorderPropertyPositionNormalizer( 'width', 'top' ) );\n\n\tstylesProcessor.setNormalizer( 'border-right-color', getBorderPropertyPositionNormalizer( 'color', 'right' ) );\n\tstylesProcessor.setNormalizer( 'border-right-style', getBorderPropertyPositionNormalizer( 'style', 'right' ) );\n\tstylesProcessor.setNormalizer( 'border-right-width', getBorderPropertyPositionNormalizer( 'width', 'right' ) );\n\n\tstylesProcessor.setNormalizer( 'border-bottom-color', getBorderPropertyPositionNormalizer( 'color', 'bottom' ) );\n\tstylesProcessor.setNormalizer( 'border-bottom-style', getBorderPropertyPositionNormalizer( 'style', 'bottom' ) );\n\tstylesProcessor.setNormalizer( 'border-bottom-width', getBorderPropertyPositionNormalizer( 'width', 'bottom' ) );\n\n\tstylesProcessor.setNormalizer( 'border-left-color', getBorderPropertyPositionNormalizer( 'color', 'left' ) );\n\tstylesProcessor.setNormalizer( 'border-left-style', getBorderPropertyPositionNormalizer( 'style', 'left' ) );\n\tstylesProcessor.setNormalizer( 'border-left-width', getBorderPropertyPositionNormalizer( 'width', 'left' ) );\n\n\tstylesProcessor.setExtractor( 'border-top', getBorderPositionExtractor( 'top' ) );\n\tstylesProcessor.setExtractor( 'border-right', getBorderPositionExtractor( 'right' ) );\n\tstylesProcessor.setExtractor( 'border-bottom', getBorderPositionExtractor( 'bottom' ) );\n\tstylesProcessor.setExtractor( 'border-left', getBorderPositionExtractor( 'left' ) );\n\n\tstylesProcessor.setExtractor( 'border-top-color', 'border.color.top' );\n\tstylesProcessor.setExtractor( 'border-right-color', 'border.color.right' );\n\tstylesProcessor.setExtractor( 'border-bottom-color', 'border.color.bottom' );\n\tstylesProcessor.setExtractor( 'border-left-color', 'border.color.left' );\n\n\tstylesProcessor.setExtractor( 'border-top-width', 'border.width.top' );\n\tstylesProcessor.setExtractor( 'border-right-width', 'border.width.right' );\n\tstylesProcessor.setExtractor( 'border-bottom-width', 'border.width.bottom' );\n\tstylesProcessor.setExtractor( 'border-left-width', 'border.width.left' );\n\n\tstylesProcessor.setExtractor( 'border-top-style', 'border.style.top' );\n\tstylesProcessor.setExtractor( 'border-right-style', 'border.style.right' );\n\tstylesProcessor.setExtractor( 'border-bottom-style', 'border.style.bottom' );\n\tstylesProcessor.setExtractor( 'border-left-style', 'border.style.left' );\n\n\tstylesProcessor.setReducer( 'border-color', getBoxSidesValueReducer( 'border-color' ) );\n\tstylesProcessor.setReducer( 'border-style', getBoxSidesValueReducer( 'border-style' ) );\n\tstylesProcessor.setReducer( 'border-width', getBoxSidesValueReducer( 'border-width' ) );\n\tstylesProcessor.setReducer( 'border-top', getBorderPositionReducer( 'top' ) );\n\tstylesProcessor.setReducer( 'border-right', getBorderPositionReducer( 'right' ) );\n\tstylesProcessor.setReducer( 'border-bottom', getBorderPositionReducer( 'bottom' ) );\n\tstylesProcessor.setReducer( 'border-left', getBorderPositionReducer( 'left' ) );\n\tstylesProcessor.setReducer( 'border', borderReducer );\n\n\tstylesProcessor.setStyleRelation( 'border', [\n\t\t'border-color', 'border-style', 'border-width',\n\t\t'border-top', 'border-right', 'border-bottom', 'border-left',\n\t\t'border-top-color', 'border-right-color', 'border-bottom-color', 'border-left-color',\n\t\t'border-top-style', 'border-right-style', 'border-bottom-style', 'border-left-style',\n\t\t'border-top-width', 'border-right-width', 'border-bottom-width', 'border-left-width'\n\t] );\n\n\tstylesProcessor.setStyleRelation( 'border-color', [\n\t\t'border-top-color', 'border-right-color', 'border-bottom-color', 'border-left-color'\n\t] );\n\tstylesProcessor.setStyleRelation( 'border-style', [\n\t\t'border-top-style', 'border-right-style', 'border-bottom-style', 'border-left-style'\n\t] );\n\tstylesProcessor.setStyleRelation( 'border-width', [\n\t\t'border-top-width', 'border-right-width', 'border-bottom-width', 'border-left-width'\n\t] );\n\n\tstylesProcessor.setStyleRelation( 'border-top', [ 'border-top-color', 'border-top-style', 'border-top-width' ] );\n\tstylesProcessor.setStyleRelation( 'border-right', [ 'border-right-color', 'border-right-style', 'border-right-width' ] );\n\tstylesProcessor.setStyleRelation( 'border-bottom', [ 'border-bottom-color', 'border-bottom-style', 'border-bottom-width' ] );\n\tstylesProcessor.setStyleRelation( 'border-left', [ 'border-left-color', 'border-left-style', 'border-left-width' ] );\n}\n\nfunction borderNormalizer( value ) {\n\tconst { color, style, width } = normalizeBorderShorthand( value );\n\n\treturn {\n\t\tpath: 'border',\n\t\tvalue: {\n\t\t\tcolor: getBoxSidesValues( color ),\n\t\t\tstyle: getBoxSidesValues( style ),\n\t\t\twidth: getBoxSidesValues( width )\n\t\t}\n\t};\n}\n\nfunction getBorderPositionNormalizer( side ) {\n\treturn value => {\n\t\tconst { color, style, width } = normalizeBorderShorthand( value );\n\n\t\tconst border = {};\n\n\t\tif ( color !== undefined ) {\n\t\t\tborder.color = { [ side ]: color };\n\t\t}\n\n\t\tif ( style !== undefined ) {\n\t\t\tborder.style = { [ side ]: style };\n\t\t}\n\n\t\tif ( width !== undefined ) {\n\t\t\tborder.width = { [ side ]: width };\n\t\t}\n\n\t\treturn {\n\t\t\tpath: 'border',\n\t\t\tvalue: border\n\t\t};\n\t};\n}\n\nfunction getBorderPropertyNormalizer( propertyName ) {\n\treturn value => {\n\t\treturn {\n\t\t\tpath: 'border',\n\t\t\tvalue: toBorderPropertyShorthand( value, propertyName )\n\t\t};\n\t};\n}\n\nfunction toBorderPropertyShorthand( value, property ) {\n\treturn {\n\t\t[ property ]: getBoxSidesValues( value )\n\t};\n}\n\nfunction getBorderPropertyPositionNormalizer( property, side ) {\n\treturn value => {\n\t\treturn {\n\t\t\tpath: 'border',\n\t\t\tvalue: {\n\t\t\t\t[ property ]: {\n\t\t\t\t\t[ side ]: value\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t};\n}\n\nfunction getBorderPositionExtractor( which ) {\n\treturn ( name, styles ) => {\n\t\tif ( styles.border ) {\n\t\t\treturn extractBorderPosition( styles.border, which );\n\t\t}\n\t};\n}\n\nfunction extractBorderPosition( border, which ) {\n\tconst value = {};\n\n\tif ( border.width && border.width[ which ] ) {\n\t\tvalue.width = border.width[ which ];\n\t}\n\n\tif ( border.style && border.style[ which ] ) {\n\t\tvalue.style = border.style[ which ];\n\t}\n\n\tif ( border.color && border.color[ which ] ) {\n\t\tvalue.color = border.color[ which ];\n\t}\n\n\treturn value;\n}\n\nfunction normalizeBorderShorthand( string ) {\n\tconst result = {};\n\n\tconst parts = getShorthandValues( string );\n\n\tfor ( const part of parts ) {\n\t\tif ( isLength( part ) || /thin|medium|thick/.test( part ) ) {\n\t\t\tresult.width = part;\n\t\t} else if ( isLineStyle( part ) ) {\n\t\t\tresult.style = part;\n\t\t} else {\n\t\t\tresult.color = part;\n\t\t}\n\t}\n\n\treturn result;\n}\n\nfunction borderReducer( value ) {\n\tconst reduced = [];\n\n\treduced.push( ...reduceBorderPosition( extractBorderPosition( value, 'top' ), 'top' ) );\n\treduced.push( ...reduceBorderPosition( extractBorderPosition( value, 'right' ), 'right' ) );\n\treduced.push( ...reduceBorderPosition( extractBorderPosition( value, 'bottom' ), 'bottom' ) );\n\treduced.push( ...reduceBorderPosition( extractBorderPosition( value, 'left' ), 'left' ) );\n\n\treturn reduced;\n}\n\nfunction getBorderPositionReducer( which ) {\n\treturn value => reduceBorderPosition( value, which );\n}\n\nfunction reduceBorderPosition( value, which ) {\n\tconst reduced = [];\n\n\tif ( value && value.width !== undefined ) {\n\t\treduced.push( value.width );\n\t}\n\n\tif ( value && value.style !== undefined ) {\n\t\treduced.push( value.style );\n\t}\n\n\tif ( value && value.color !== undefined ) {\n\t\treduced.push( value.color );\n\t}\n\n\tif ( reduced.length ) {\n\t\treturn [ [ `border-${ which }`, reduced.join( ' ' ) ] ];\n\t}\n\n\treturn [];\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/styles/background\n */\n\nimport { getShorthandValues, isAttachment, isColor, isPosition, isRepeat, isURL } from './utils';\n\n/**\n * Adds a background CSS styles processing rules.\n *\n *\t\teditor.data.addStyleProcessorRules( addBackgroundRules );\n *\n * The normalized value is stored as:\n *\n *\t\tconst styles = {\n *\t\t\tbackground: {\n *\t\t\t\tcolor,\n *\t\t\t\trepeat,\n *\t\t\t\tposition,\n *\t\t\t\tattachment,\n *\t\t\t\timage\n *\t\t\t}\n *\t\t};\n *\n * **Note**: Currently only `'background-color'` longhand value is parsed besides `'background'` shorthand. The reducer also supports only\n * `'background-color'` value.\n *\n * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n */\nexport function addBackgroundRules( stylesProcessor ) {\n\tstylesProcessor.setNormalizer( 'background', normalizeBackground );\n\tstylesProcessor.setNormalizer( 'background-color', value => ( { path: 'background.color', value } ) );\n\tstylesProcessor.setReducer( 'background', value => {\n\t\tconst ret = [];\n\n\t\tret.push( [ 'background-color', value.color ] );\n\n\t\treturn ret;\n\t} );\n}\n\nfunction normalizeBackground( value ) {\n\tconst background = {};\n\n\tconst parts = getShorthandValues( value );\n\n\tfor ( const part of parts ) {\n\t\tif ( isRepeat( part ) ) {\n\t\t\tbackground.repeat = background.repeat || [];\n\t\t\tbackground.repeat.push( part );\n\t\t} else if ( isPosition( part ) ) {\n\t\t\tbackground.position = background.position || [];\n\t\t\tbackground.position.push( part );\n\t\t} else if ( isAttachment( part ) ) {\n\t\t\tbackground.attachment = part;\n\t\t} else if ( isColor( part ) ) {\n\t\t\tbackground.color = part;\n\t\t} else if ( isURL( part ) ) {\n\t\t\tbackground.image = part;\n\t\t}\n\t}\n\n\treturn {\n\t\tpath: 'background',\n\t\tvalue: background\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/tableproperites\n */\n\n/**\n * Conversion helper for upcasting attributes using normalized styles.\n *\n * @param {module:engine/conversion/conversion~Conversion} conversion\n * @param {String} modelElement\n * @param {String} modelAttribute\n * @param {String} styleName\n */\nexport function upcastStyleToAttribute( conversion, modelElement, modelAttribute, styleName ) {\n\tconversion.for( 'upcast' ).attributeToAttribute( {\n\t\tview: {\n\t\t\tstyles: {\n\t\t\t\t[ styleName ]: /[\\s\\S]+/\n\t\t\t}\n\t\t},\n\t\tmodel: {\n\t\t\tname: modelElement,\n\t\t\tkey: modelAttribute,\n\t\t\tvalue: viewElement => viewElement.getNormalizedStyle( styleName )\n\t\t}\n\t} );\n}\n\n/**\n * Conversion helper for upcasting border styles for view elements.\n *\n * @param {module:engine/conversion/conversion~Conversion} conversion\n * @param {String} viewElementName\n */\nexport function upcastBorderStyles( conversion, viewElementName ) {\n\tconversion.for( 'upcast' ).add( dispatcher => dispatcher.on( 'element:' + viewElementName, ( evt, data, conversionApi ) => {\n\t\t// If the element was not converted by element-to-element converter,\n\t\t// we should not try to convert the style. See #8393.\n\t\tif ( !data.modelRange ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// TODO: this is counter-intuitive: ie.: if only `border-top` is defined then `hasStyle( 'border' )` also returns true.\n\t\t// TODO: this might needs to be fixed in styles normalizer.\n\t\tconst stylesToConsume = [\n\t\t\t'border-top',\n\t\t\t'border-right',\n\t\t\t'border-bottom',\n\t\t\t'border-left'\n\t\t].filter( styleName => data.viewItem.hasStyle( styleName ) );\n\n\t\tif ( !stylesToConsume.length ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst matcherPattern = {\n\t\t\tstyles: stylesToConsume\n\t\t};\n\n\t\t// Try to consume appropriate values from consumable values list.\n\t\tif ( !conversionApi.consumable.test( data.viewItem, matcherPattern ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelElement = [ ...data.modelRange.getItems( { shallow: true } ) ].pop();\n\n\t\tconversionApi.consumable.consume( data.viewItem, matcherPattern );\n\n\t\tconversionApi.writer.setAttribute( 'borderStyle', data.viewItem.getNormalizedStyle( 'border-style' ), modelElement );\n\t\tconversionApi.writer.setAttribute( 'borderColor', data.viewItem.getNormalizedStyle( 'border-color' ), modelElement );\n\t\tconversionApi.writer.setAttribute( 'borderWidth', data.viewItem.getNormalizedStyle( 'border-width' ), modelElement );\n\t} ) );\n}\n\n/**\n * Conversion helper for downcasting an attribute to a style.\n *\n * @param {module:engine/conversion/conversion~Conversion} conversion\n * @param {String} modelElement\n * @param {String} modelAttribute\n * @param {String} styleName\n */\nexport function downcastAttributeToStyle( conversion, modelElement, modelAttribute, styleName ) {\n\tconversion.for( 'downcast' ).attributeToAttribute( {\n\t\tmodel: {\n\t\t\tname: modelElement,\n\t\t\tkey: modelAttribute\n\t\t},\n\t\tview: modelAttributeValue => ( {\n\t\t\tkey: 'style',\n\t\t\tvalue: {\n\t\t\t\t[ styleName ]: modelAttributeValue\n\t\t\t}\n\t\t} )\n\t} );\n}\n\n/**\n * Conversion helper for downcasting attributes from the model table to a view table (not to `<figure>`).\n *\n * @param {module:engine/conversion/conversion~Conversion} conversion\n * @param {String} modelAttribute\n * @param {String} styleName\n */\nexport function downcastTableAttribute( conversion, modelAttribute, styleName ) {\n\tconversion.for( 'downcast' ).add( dispatcher => dispatcher.on( `attribute:${ modelAttribute }:table`, ( evt, data, conversionApi ) => {\n\t\tconst { item, attributeNewValue } = data;\n\t\tconst { mapper, writer } = conversionApi;\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst table = [ ...mapper.toViewElement( item ).getChildren() ].find( child => child.is( 'element', 'table' ) );\n\n\t\tif ( attributeNewValue ) {\n\t\t\twriter.setStyle( styleName, attributeNewValue, table );\n\t\t} else {\n\t\t\twriter.removeStyle( styleName, table );\n\t\t}\n\t} ) );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablepropertycommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\n/**\n * The table cell attribute command.\n *\n * This command is a base command for other table property commands.\n *\n * @extends module:core/command~Command\n */\nexport default class TablePropertyCommand extends Command {\n\t/**\n\t * Creates a new `TablePropertyCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} attributeName Table cell attribute name.\n\t */\n\tconstructor( editor, attributeName ) {\n\t\tsuper( editor );\n\n\t\tthis.attributeName = attributeName;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\n\t\tconst table = selection.getFirstPosition().findAncestor( 'table' );\n\n\t\tthis.isEnabled = !!table;\n\t\tthis.value = this._getValue( table );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} [options]\n\t * @param {*} [options.value] If set, the command will set the attribute on the selected table.\n\t * If not set, the command will remove the attribute from the selected table.\n\t * @param {module:engine/model/batch~Batch} [options.batch] Pass the model batch instance to the command to aggregate changes,\n\t * for example, to allow a single undo step for multiple executions.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\n\t\tconst { value, batch } = options;\n\n\t\tconst table = selection.getFirstPosition().findAncestor( 'table' );\n\t\tconst valueToSet = this._getValueToSet( value );\n\n\t\tmodel.enqueueChange( batch || 'default', writer => {\n\t\t\tif ( valueToSet ) {\n\t\t\t\twriter.setAttribute( this.attributeName, valueToSet, table );\n\t\t\t} else {\n\t\t\t\twriter.removeAttribute( this.attributeName, table );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the attribute value for a table.\n\t *\n\t * @param {module:engine/model/element~Element} table\n\t * @returns {String|undefined}\n\t * @private\n\t */\n\t_getValue( table ) {\n\t\tif ( !table ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn table.getAttribute( this.attributeName );\n\t}\n\n\t/**\n\t * Returns the proper model value. It can be used to add a default unit to numeric values.\n\t *\n\t * @private\n\t * @param {*} value\n\t * @returns {*}\n\t */\n\t_getValueToSet( value ) {\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablebackgroundcolorcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\n\n/**\n * The table background color command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableBackgroundColor'` editor command.\n *\n * To change the background color of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableBackgroundColor', {\n *\t\t\tvalue: '#f00'\n *\t\t} );\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableBackgroundColorCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableBackgroundColorCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'backgroundColor' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/table-properties\n */\n\nimport { isObject } from 'lodash-es';\n\n/**\n * Returns a string if all four values of box sides are equal.\n *\n * If a string is passed, it is treated as a single value (pass-through).\n *\n *\t\t// Returns 'foo':\n *\t\tgetSingleValue( { top: 'foo', right: 'foo', bottom: 'foo', left: 'foo' } );\n *\t\tgetSingleValue( 'foo' );\n *\n *\t\t// Returns undefined:\n *\t\tgetSingleValue( { top: 'foo', right: 'foo', bottom: 'bar', left: 'foo' } );\n *\t\tgetSingleValue( { top: 'foo', right: 'foo' } );\n *\n * @param objectOrString\n * @returns {module:engine/view/stylesmap~BoxSides|String}\n */\nexport function getSingleValue( objectOrString ) {\n\tif ( !objectOrString || !isObject( objectOrString ) ) {\n\t\treturn objectOrString;\n\t}\n\n\tconst { top, right, bottom, left } = objectOrString;\n\n\tif ( top == right && right == bottom && bottom == left ) {\n\t\treturn top;\n\t}\n}\n\n/**\n * Adds a unit to a value if the value is a number or a string representing a number.\n *\n * **Note**: It does nothing to non-numeric values.\n *\n *\t\tgetSingleValue( 25, 'px' );\t\t// '25px'\n *\t\tgetSingleValue( 25, 'em' );\t\t// '25em'\n *\t\tgetSingleValue( '25em', 'px' );\t// '25em'\n *\t\tgetSingleValue( 'foo', 'px' );\t// 'foo'\n *\n * @param {*} value\n * @param {String} defaultUnit A default unit added to a numeric value.\n * @returns {String|*}\n */\nexport function addDefaultUnitToNumericValue( value, defaultUnit ) {\n\tconst numericValue = parseFloat( value );\n\n\tif ( Number.isNaN( numericValue ) ) {\n\t\treturn value;\n\t}\n\n\tif ( String( numericValue ) !== String( value ) ) {\n\t\treturn value;\n\t}\n\n\treturn `${ numericValue }${ defaultUnit }`;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablebordercolorcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table border color command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableBorderColor'` editor command.\n *\n * To change the border color of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableBorderColor', {\n *\t\t\tvalue: '#f00'\n *\t\t} );\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableBorderColorCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableBorderColorCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'borderColor' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValue( table ) {\n\t\tif ( !table ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn getSingleValue( table.getAttribute( this.attributeName ) );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tableborderstylecommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table style border command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableBorderStyle'` editor command.\n *\n * To change the border style of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableBorderStyle', {\n *\t\t\tvalue: 'dashed'\n *\t\t} );\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableBorderStyleCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableBorderStyleCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'borderStyle' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValue( table ) {\n\t\tif ( !table ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn getSingleValue( table.getAttribute( this.attributeName ) );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tableborderwidthcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { addDefaultUnitToNumericValue, getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table width border command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableBorderWidth'` editor command.\n *\n * To change the border width of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableBorderWidth', {\n *\t\t\tvalue: '5px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableBorderWidth', {\n *\t\t\tvalue: '5'\n *\t\t} );\n *\n * will set the `borderWidth` attribute to `'5px'` in the model.\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableBorderWidthCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableBorderWidthCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'borderWidth' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValue( table ) {\n\t\tif ( !table ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn getSingleValue( table.getAttribute( this.attributeName ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\treturn addDefaultUnitToNumericValue( value, 'px' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablewidthcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { addDefaultUnitToNumericValue } from '../../utils/table-properties';\n\n/**\n * The table width command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableWidth'` editor command.\n *\n * To change the width of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableWidth', {\n *\t\t\tvalue: '400px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableWidth', {\n *\t\t\tvalue: '50'\n *\t\t} );\n *\n * will set the `width` attribute to `'50px'` in the model.\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableWidthCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableWidthCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'width' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\treturn addDefaultUnitToNumericValue( value, 'px' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tableheightcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { addDefaultUnitToNumericValue } from '../../utils/table-properties';\n\n/**\n * The table height command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableHeight'` editor command.\n *\n * To change the height of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableHeight', {\n *\t\t\tvalue: '500px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableHeight', {\n *\t\t\tvalue: '50'\n *\t\t} );\n *\n * will set the `height` attribute to `'50px'` in the model.\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableHeightCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableHeightCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'height' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\treturn addDefaultUnitToNumericValue( value, 'px' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablealignmentcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\n\n/**\n * The table alignment command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableAlignment'` editor command.\n *\n * To change the alignment of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableAlignment', {\n *\t\t\tvalue: 'right'\n *\t\t} );\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableAlignmentCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableAlignmentCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'alignment' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/tablepropertiesediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport { addBorderRules } from '@ckeditor/ckeditor5-engine/src/view/styles/border';\nimport { addBackgroundRules } from '@ckeditor/ckeditor5-engine/src/view/styles/background';\n\nimport TableEditing from '../tableediting';\nimport {\n\tdowncastAttributeToStyle,\n\tdowncastTableAttribute,\n\tupcastBorderStyles,\n\tupcastStyleToAttribute\n} from '../converters/tableproperties';\nimport TableBackgroundColorCommand from './commands/tablebackgroundcolorcommand';\nimport TableBorderColorCommand from './commands/tablebordercolorcommand';\nimport TableBorderStyleCommand from './commands/tableborderstylecommand';\nimport TableBorderWidthCommand from './commands/tableborderwidthcommand';\nimport TableWidthCommand from './commands/tablewidthcommand';\nimport TableHeightCommand from './commands/tableheightcommand';\nimport TableAlignmentCommand from './commands/tablealignmentcommand';\n\nconst ALIGN_VALUES_REG_EXP = /^(left|right)$/;\n\n/**\n * The table properties editing feature.\n *\n * Introduces table's model attributes and their conversion:\n *\n * - border: `borderStyle`, `borderColor` and `borderWidth`\n * - background color: `backgroundColor`\n * - horizontal alignment: `alignment`\n * - width & height: `width` & `height`\n *\n * It also registers commands used to manipulate the above attributes:\n *\n * - border: `'tableBorderStyle'`, `'tableBorderColor'` and `'tableBorderWidth'` commands\n * - background color: `'tableBackgroundColor'`\n * - horizontal alignment: `'tableAlignment'`\n * - width & height: `'tableWidth'` & `'tableHeight'`\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TablePropertiesEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TablePropertiesEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\n\t\teditor.data.addStyleProcessorRules( addBorderRules );\n\t\tenableBorderProperties( schema, conversion );\n\t\teditor.commands.add( 'tableBorderColor', new TableBorderColorCommand( editor ) );\n\t\teditor.commands.add( 'tableBorderStyle', new TableBorderStyleCommand( editor ) );\n\t\teditor.commands.add( 'tableBorderWidth', new TableBorderWidthCommand( editor ) );\n\n\t\tenableAlignmentProperty( schema, conversion );\n\t\teditor.commands.add( 'tableAlignment', new TableAlignmentCommand( editor ) );\n\n\t\tenableTableToFigureProperty( schema, conversion, 'width', 'width' );\n\t\teditor.commands.add( 'tableWidth', new TableWidthCommand( editor ) );\n\n\t\tenableTableToFigureProperty( schema, conversion, 'height', 'height' );\n\t\teditor.commands.add( 'tableHeight', new TableHeightCommand( editor ) );\n\n\t\teditor.data.addStyleProcessorRules( addBackgroundRules );\n\t\tenableProperty( schema, conversion, 'backgroundColor', 'background-color' );\n\t\teditor.commands.add( 'tableBackgroundColor', new TableBackgroundColorCommand( editor ) );\n\t}\n}\n\n// Enables `'borderStyle'`, `'borderColor'` and `'borderWidth'` attributes for table.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\nfunction enableBorderProperties( schema, conversion ) {\n\tschema.extend( 'table', {\n\t\tallowAttributes: [ 'borderWidth', 'borderColor', 'borderStyle' ]\n\t} );\n\tupcastBorderStyles( conversion, 'table' );\n\tdowncastTableAttribute( conversion, 'borderColor', 'border-color' );\n\tdowncastTableAttribute( conversion, 'borderStyle', 'border-style' );\n\tdowncastTableAttribute( conversion, 'borderWidth', 'border-width' );\n}\n\n// Enables the `'alignment'` attribute for table.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\nfunction enableAlignmentProperty( schema, conversion ) {\n\tschema.extend( 'table', {\n\t\tallowAttributes: [ 'alignment' ]\n\t} );\n\n\tconversion\n\t\t.attributeToAttribute( {\n\t\t\tmodel: {\n\t\t\t\tname: 'table',\n\t\t\t\tkey: 'alignment',\n\t\t\t\tvalues: [ 'left', 'right' ]\n\t\t\t},\n\t\t\tview: {\n\t\t\t\tleft: {\n\t\t\t\t\tkey: 'style',\n\t\t\t\t\tvalue: {\n\t\t\t\t\t\tfloat: 'left'\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\tright: {\n\t\t\t\t\tkey: 'style',\n\t\t\t\t\tvalue: {\n\t\t\t\t\t\tfloat: 'right'\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t},\n\t\t\tconverterPriority: 'high'\n\t\t} );\n\n\tconversion.for( 'upcast' )\n\t\t// Support for backwards compatibility and pasting from other sources.\n\t\t.attributeToAttribute( {\n\t\t\tview: {\n\t\t\t\tattributes: {\n\t\t\t\t\talign: ALIGN_VALUES_REG_EXP\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tname: 'table',\n\t\t\t\tkey: 'alignment',\n\t\t\t\tvalue: viewElement => viewElement.getAttribute( 'align' )\n\t\t\t}\n\t\t} );\n}\n\n// Enables conversion for an attribute for simple view-model mappings.\n//\n// @param {String} modelAttribute\n// @param {String} styleName\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\nfunction enableProperty( schema, conversion, modelAttribute, styleName ) {\n\tschema.extend( 'table', {\n\t\tallowAttributes: [ modelAttribute ]\n\t} );\n\tupcastStyleToAttribute( conversion, 'table', modelAttribute, styleName );\n\tdowncastTableAttribute( conversion, modelAttribute, styleName );\n}\n\n// Enables conversion for an attribute for simple view (figure) to model (table) mappings.\n//\n// @param {String} modelAttribute\n// @param {String} styleName\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\nfunction enableTableToFigureProperty( schema, conversion, modelAttribute, styleName ) {\n\tschema.extend( 'table', {\n\t\tallowAttributes: [ modelAttribute ]\n\t} );\n\tupcastStyleToAttribute( conversion, 'table', modelAttribute, styleName );\n\tdowncastAttributeToStyle( conversion, 'table', modelAttribute, styleName );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/colorgrid/colortile\n */\n\nimport ButtonView from '../button/buttonview';\nimport checkIcon from '../../theme/icons/color-tile-check.svg';\n\n/**\n * This class represents a single color tile in the {@link module:ui/colorgrid/colorgrid~ColorGridView}.\n *\n * @extends module:ui/button/buttonview~ButtonView\n */\nexport default class ColorTileView extends ButtonView {\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * String representing a color shown as tile's background.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.set( 'color' );\n\n\t\t/**\n\t\t * A flag that toggles a special CSS class responsible for displaying\n\t\t * a border around the button.\n\t\t *\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis.set( 'hasBorder' );\n\n\t\tthis.icon = checkIcon;\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tstyle: {\n\t\t\t\t\tbackgroundColor: bind.to( 'color' )\n\t\t\t\t},\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-color-grid__tile',\n\t\t\t\t\tbind.if( 'hasBorder', 'ck-color-table__color-tile_bordered' )\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.iconView.fillColor = 'hsl(0, 0%, 100%)';\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path class=\\\"ck-icon__fill\\\" d=\\\"M16.935 5.328a2 2 0 0 1 0 2.829l-7.778 7.778a2 2 0 0 1-2.829 0L3.5 13.107a1.999 1.999 0 1 1 2.828-2.829l.707.707a1 1 0 0 0 1.414 0l5.658-5.657a2 2 0 0 1 2.828 0z\\\"/><path d=\\\"M14.814 6.035L8.448 12.4a1 1 0 0 1-1.414 0l-1.413-1.415A1 1 0 1 0 4.207 12.4l2.829 2.829a1 1 0 0 0 1.414 0l7.778-7.778a1 1 0 1 0-1.414-1.415z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/colorgrid/colorgrid\n */\n\nimport View from '../view';\nimport ColorTileView from './colortileview';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '../focuscycler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport '../../theme/components/colorgrid/colorgrid.css';\n\n/**\n * A grid of {@link module:ui/colorgrid/colortile~ColorTileView color tiles}.\n *\n * @extends module:ui/view~View\n */\nexport default class ColorGridView extends View {\n\t/**\n\t * Creates an instance of a color grid containing {@link module:ui/colorgrid/colortile~ColorTileView tiles}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {Object} options Component configuration\n\t * @param {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>} [options.colorDefinitions] Array with definitions\n\t * required to create the {@link module:ui/colorgrid/colortile~ColorTileView tiles}.\n\t * @param {Number} options.columns A number of columns to display the tiles.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tconst colorDefinitions = options && options.colorDefinitions || [];\n\t\tconst viewStyleAttribute = {};\n\n\t\tif ( options && options.columns ) {\n\t\t\tviewStyleAttribute.gridTemplateColumns = `repeat( ${ options.columns }, 1fr)`;\n\t\t}\n\n\t\t/**\n\t\t * The color of the currently selected color tile in {@link #items}.\n\t\t *\n\t\t * @observable\n\t\t * @type {String}\n\t\t */\n\t\tthis.set( 'selectedColor' );\n\n\t\t/**\n\t\t * Collection of the child tile views.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this.createCollection();\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the grid.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * Instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * Helps cycling over focusable {@link #items} in the grid.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this.items,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate grid items backwards using the arrowup key.\n\t\t\t\tfocusPrevious: 'arrowleft',\n\n\t\t\t\t// Navigate grid items forwards using the arrowdown key.\n\t\t\t\tfocusNext: 'arrowright'\n\t\t\t}\n\t\t} );\n\n\t\tthis.items.on( 'add', ( evt, colorTile ) => {\n\t\t\tcolorTile.isOn = colorTile.color === this.selectedColor;\n\t\t} );\n\n\t\tcolorDefinitions.forEach( color => {\n\t\t\tconst colorTile = new ColorTileView();\n\n\t\t\tcolorTile.set( {\n\t\t\t\tcolor: color.color,\n\t\t\t\tlabel: color.label,\n\t\t\t\ttooltip: true,\n\t\t\t\thasBorder: color.options.hasBorder\n\t\t\t} );\n\n\t\t\tcolorTile.on( 'execute', () => {\n\t\t\t\tthis.fire( 'execute', {\n\t\t\t\t\tvalue: color.color,\n\t\t\t\t\thasBorder: color.options.hasBorder,\n\t\t\t\t\tlabel: color.label\n\t\t\t\t} );\n\t\t\t} );\n\n\t\t\tthis.items.add( colorTile );\n\t\t} );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tchildren: this.items,\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-color-grid'\n\t\t\t\t],\n\t\t\t\tstyle: viewStyleAttribute\n\t\t\t}\n\t\t} );\n\n\t\tthis.on( 'change:selectedColor', ( evt, name, selectedColor ) => {\n\t\t\tfor ( const item of this.items ) {\n\t\t\t\titem.isOn = item.color === selectedColor;\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the first focusable in {@link #items}.\n\t */\n\tfocus() {\n\t\tif ( this.items.length ) {\n\t\t\tthis.items.first.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the last focusable in {@link #items}.\n\t */\n\tfocusLast() {\n\t\tif ( this.items.length ) {\n\t\t\tthis.items.last.focus();\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Items added before rendering should be known to the #focusTracker.\n\t\tfor ( const item of this.items ) {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t}\n\n\t\tthis.items.on( 'add', ( evt, item ) => {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t} );\n\n\t\tthis.items.on( 'remove', ( evt, item ) => {\n\t\t\tthis.focusTracker.remove( item.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * Fired when the `ColorTileView` for the picked item is executed.\n\t *\n\t * @event execute\n\t * @param {Object} data Additional information about the event.\n\t * @param {String} data.value The value of the selected color\n\t * ({@link module:ui/colorgrid/colorgrid~ColorDefinition#color `color.color`}).\n\t * @param {Boolean} data.hasBorder The `hasBorder` property of the selected color\n\t * ({@link module:ui/colorgrid/colorgrid~ColorDefinition#options `color.options.hasBorder`}).\n\t * @param {String} data.Label The label of the selected color\n\t * ({@link module:ui/colorgrid/colorgrid~ColorDefinition#label `color.label`})\n\t */\n}\n\n/**\n * A color definition used to create a {@link module:ui/colorgrid/colortile~ColorTileView}.\n *\n *\t\t{\n *\t\t\tcolor: 'hsl(0, 0%, 75%)',\n *\t\t\tlabel: 'Light Grey',\n *\t\t\toptions: {\n *\t\t\t\thasBorder: true\n *\t\t\t}\n *\t\t}\n *\n * @typedef {Object} module:ui/colorgrid/colorgrid~ColorDefinition\n * @type Object\n *\n * @property {String} color String representing a color.\n * It is used as value of background-color style in {@link module:ui/colorgrid/colortile~ColorTileView}.\n * @property {String} label String used as label for {@link module:ui/colorgrid/colortile~ColorTileView}.\n * @property {Object} options Additional options passed to create a {@link module:ui/colorgrid/colortile~ColorTileView}.\n * @property {Boolean} options.hasBorder A flag that indicates if special a CSS class should be added\n * to {@link module:ui/colorgrid/colortile~ColorTileView}, which renders a border around it.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/ui/colorinputview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\nimport InputTextView from '@ckeditor/ckeditor5-ui/src/inputtext/inputtextview';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport { createDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';\nimport ColorGrid from '@ckeditor/ckeditor5-ui/src/colorgrid/colorgridview';\nimport removeButtonIcon from '@ckeditor/ckeditor5-core/theme/icons/eraser.svg';\nimport '../../theme/colorinput.css';\n\n/**\n * The color input view class. It allows the user to type in a color (hex, rgb, etc.)\n * or choose it from the configurable color palette with a preview.\n *\n * @private\n * @extends module:ui/view~View\n */\nexport default class ColorInputView extends View {\n\t/**\n\t * Creates an instance of the color input view.\n\t *\n\t * @param {module:utils/locale~Locale} locale The locale instance.\n\t * @param {Object} options The input options.\n\t * @param {module:ui/colorgrid/colorgrid~ColorDefinition} options.colorDefinitions The colors to be displayed\n\t * in the palette inside the input's dropdown.\n\t * @param {Number} options.columns The number of columns in which the colors will be displayed.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * The value of the input.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #value\n\t\t * @default ''\n\t\t */\n\t\tthis.set( 'value', '' );\n\n\t\t/**\n\t\t * The `id` attribute of the input (i.e. to pair with the `<label>` element).\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #id\n\t\t */\n\t\tthis.set( 'id' );\n\n\t\t/**\n\t\t * Controls whether the input view is in read-only mode.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isReadOnly\n\t\t * @default false\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * Set to `true` when the field has some error. Usually controlled via\n\t\t * {@link module:ui/labeledinput/labeledinputview~LabeledInputView#errorText}.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #hasError\n\t\t * @default false\n\t\t */\n\t\tthis.set( 'hasError', false );\n\n\t\t/**\n\t\t * An observable flag set to `true` when the input is focused by the user.\n\t\t * `false` otherwise.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t * @default false\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * An observable flag set to `true` when the input contains no text.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isEmpty\n\t\t * @default true\n\t\t */\n\t\tthis.set( 'isEmpty', true );\n\n\t\t/**\n\t\t * The `id` of the element describing this field. When the field has\n\t\t * some error, it helps screen readers read the error text.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #ariaDescribedById\n\t\t */\n\t\tthis.set( 'ariaDescribedById' );\n\n\t\t/**\n\t\t * A cached reference to the options passed to the constructor.\n\t\t *\n\t\t * @member {Object}\n\t\t */\n\t\tthis.options = options;\n\n\t\t/**\n\t\t * An instance of the dropdown allowing to select a color from a grid.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:ui/dropdown/dropdown~DropdownView}\n\t\t */\n\t\tthis._dropdownView = this._createDropdownView( locale );\n\n\t\t/**\n\t\t * An instance of the input allowing the user to type a color value.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis._inputView = this._createInputTextView( locale );\n\n\t\t/**\n\t\t * The flag that indicates whether the user is still typing.\n\t\t * If set to true, it means that the text input field ({@link #_inputView}) still has the focus.\n\t\t * So, we should interrupt the user by replacing the input's value.\n\t\t *\n\t\t * @protected\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._stillTyping = false;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-input-color',\n\t\t\t\t\tbind.if( 'hasError', 'ck-error' )\n\t\t\t\t],\n\t\t\t\tid: bind.to( 'id' ),\n\t\t\t\t'aria-invalid': bind.if( 'hasError', true ),\n\t\t\t\t'aria-describedby': bind.to( 'ariaDescribedById' )\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\tthis._dropdownView,\n\t\t\t\tthis._inputView\n\t\t\t]\n\t\t} );\n\n\t\tthis.on( 'change:value', ( evt, name, inputValue ) => this._setInputValue( inputValue ) );\n\t}\n\n\t/**\n\t * Focuses the input.\n\t */\n\tfocus() {\n\t\tthis._inputView.focus();\n\t}\n\n\t/**\n\t * Creates and configures the {@link #_dropdownView}.\n\t *\n\t * @private\n\t */\n\t_createDropdownView() {\n\t\tconst locale = this.locale;\n\t\tconst t = locale.t;\n\t\tconst bind = this.bindTemplate;\n\t\tconst colorGrid = this._createColorGrid( locale );\n\t\tconst dropdown = createDropdown( locale );\n\t\tconst colorPreview = new View();\n\t\tconst removeColorButton = this._createRemoveColorButton( locale );\n\n\t\tcolorPreview.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-input-color__button__preview'\n\t\t\t\t],\n\t\t\t\tstyle: {\n\t\t\t\t\tbackgroundColor: bind.to( 'value' )\n\t\t\t\t}\n\t\t\t},\n\t\t\tchildren: [ {\n\t\t\t\ttag: 'span',\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: [\n\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t'ck-input-color__button__preview__no-color-indicator',\n\t\t\t\t\t\tbind.if( 'value', 'ck-hidden', value => value != '' )\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t} ]\n\t\t} );\n\n\t\tdropdown.buttonView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-input-color__button'\n\t\t\t}\n\t\t} );\n\n\t\tdropdown.buttonView.children.add( colorPreview );\n\t\tdropdown.buttonView.tooltip = t( 'Color picker' );\n\n\t\tdropdown.panelPosition = locale.uiLanguageDirection === 'rtl' ? 'se' : 'sw';\n\t\tdropdown.panelView.children.add( removeColorButton );\n\t\tdropdown.panelView.children.add( colorGrid );\n\t\tdropdown.bind( 'isEnabled' ).to( this, 'isReadOnly', value => !value );\n\n\t\treturn dropdown;\n\t}\n\n\t/**\n\t * Creates and configures an instance of {@link module:ui/inputtext/inputtextview~InputTextView}.\n\t *\n\t * @private\n\t * @returns {module:ui/inputtext/inputtextview~InputTextView} A configured instance to be set as {@link #_inputView}.\n\t */\n\t_createInputTextView() {\n\t\tconst locale = this.locale;\n\t\tconst inputView = new InputTextView( locale );\n\n\t\tinputView.extendTemplate( {\n\t\t\ton: {\n\t\t\t\tblur: inputView.bindTemplate.to( 'blur' )\n\t\t\t}\n\t\t} );\n\n\t\tinputView.value = this.value;\n\t\tinputView.bind( 'isReadOnly', 'hasError' ).to( this );\n\t\tthis.bind( 'isFocused', 'isEmpty' ).to( inputView );\n\n\t\tinputView.on( 'input', () => {\n\t\t\tconst inputValue = inputView.element.value;\n\t\t\t// Check if the value matches one of our defined colors' label.\n\t\t\tconst mappedColor = this.options.colorDefinitions.find( def => inputValue === def.label );\n\n\t\t\tthis._stillTyping = true;\n\t\t\tthis.value = mappedColor && mappedColor.color || inputValue;\n\t\t} );\n\n\t\tinputView.on( 'blur', () => {\n\t\t\tthis._stillTyping = false;\n\t\t\tthis._setInputValue( inputView.element.value );\n\t\t} );\n\n\t\tinputView.delegate( 'input' ).to( this );\n\n\t\treturn inputView;\n\t}\n\n\t/**\n\t * Creates and configures the button that clears the color.\n\t *\n\t * @private\n\t */\n\t_createRemoveColorButton() {\n\t\tconst locale = this.locale;\n\t\tconst t = locale.t;\n\t\tconst removeColorButton = new ButtonView( locale );\n\n\t\tremoveColorButton.class = 'ck-input-color__remove-color';\n\t\tremoveColorButton.withText = true;\n\t\tremoveColorButton.icon = removeButtonIcon;\n\t\tremoveColorButton.label = t( 'Remove color' );\n\t\tremoveColorButton.on( 'execute', () => {\n\t\t\tthis.value = '';\n\t\t\tthis._dropdownView.isOpen = false;\n\t\t\tthis.fire( 'input' );\n\t\t} );\n\n\t\treturn removeColorButton;\n\t}\n\n\t/**\n\t * Creates and configures the color grid inside the {@link #_dropdownView}.\n\t *\n\t * @private\n\t */\n\t_createColorGrid( locale ) {\n\t\tconst colorGrid = new ColorGrid( locale, {\n\t\t\tcolorDefinitions: this.options.colorDefinitions,\n\t\t\tcolumns: this.options.columns\n\t\t} );\n\n\t\tcolorGrid.on( 'execute', ( evtData, data ) => {\n\t\t\tthis.value = data.value;\n\t\t\tthis._dropdownView.isOpen = false;\n\t\t\tthis.fire( 'input' );\n\t\t} );\n\t\tcolorGrid.bind( 'selectedColor' ).to( this, 'value' );\n\n\t\treturn colorGrid;\n\t}\n\n\t/**\n\t * Sets {@link #_inputView}'s value property to the color value or color label,\n\t * if there is one and the user is not typing.\n\t *\n\t * Handles cases like:\n\t *\n\t * * Someone picks the color in the grid.\n\t * * The color is set from the plugin level.\n\t *\n\t * @private\n\t * @param {String} inputValue Color value to be set.\n\t */\n\t_setInputValue( inputValue ) {\n\t\tif ( !this._stillTyping ) {\n\t\t\tconst normalizedInputValue = normalizeColor( inputValue );\n\t\t\t// Check if the value matches one of our defined colors.\n\t\t\tconst mappedColor = this.options.colorDefinitions.find( def => normalizedInputValue === normalizeColor( def.color ) );\n\n\t\t\tif ( mappedColor ) {\n\t\t\t\tthis._inputView.value = mappedColor.label;\n\t\t\t} else {\n\t\t\t\tthis._inputView.value = inputValue || '';\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Normalizes color value, by stripping extensive whitespace.\n// For example., transforms:\n// * `   rgb(  25 50    0 )` to `rgb(25 50 0)`,\n// * \"\\t  rgb(  25 ,  50,0 )\t\t\" to `rgb(25 50 0)`.\n//\n// @param {String} colorString The value to be normalized.\n// @returns {String}\nfunction normalizeColor( colorString ) {\n\treturn colorString\n\t\t// Remove any whitespace right after `(` or `,`.\n\t\t.replace( /([(,])\\s+/g, '$1' )\n\t\t// Remove any whitespace at the beginning or right before the end, `)`, `,`, or another whitespace.\n\t\t.replace( /^\\s+|\\s+(?=[),\\s]|$)/g, '' )\n\t\t// Then, replace `,` or whitespace with a single space.\n\t\t.replace( /,|\\s/g, ' ' );\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M8.636 9.531l-2.758 3.94a.5.5 0 0 0 .122.696l3.224 2.284h1.314l2.636-3.736L8.636 9.53zm.288 8.451L5.14 15.396a2 2 0 0 1-.491-2.786l6.673-9.53a2 2 0 0 1 2.785-.49l3.742 2.62a2 2 0 0 1 .491 2.785l-7.269 10.053-2.147-.066z\\\"/><path d=\\\"M4 18h5.523v-1H4zm-2 0h1v-1H2z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/ui/table-properties\n */\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport Model from '@ckeditor/ckeditor5-ui/src/model';\nimport ColorInputView from '../../ui/colorinputview';\nimport { isColor, isLength, isPercentage } from '@ckeditor/ckeditor5-engine/src/view/styles/utils';\n\nconst isEmpty = val => val === '';\n\n/**\n * Returns an object containing pairs of CSS border style values and their localized UI\n * labels. Used by {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView}\n * and {@link module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView}.\n *\n * @param {module:utils/locale~Locale#t} t The \"t\" function provided by the editor\n * that is used to localize strings.\n * @returns {Object.<String,String>}\n */\nexport function getBorderStyleLabels( t ) {\n\treturn {\n\t\tnone: t( 'None' ),\n\t\tsolid: t( 'Solid' ),\n\t\tdotted: t( 'Dotted' ),\n\t\tdashed: t( 'Dashed' ),\n\t\tdouble: t( 'Double' ),\n\t\tgroove: t( 'Groove' ),\n\t\tridge: t( 'Ridge' ),\n\t\tinset: t( 'Inset' ),\n\t\toutset: t( 'Outset' )\n\t};\n}\n\n/**\n * Returns a localized error string that can be displayed next to color (background, border)\n * fields that have an invalid value.\n *\n * @param {module:utils/locale~Locale#t} t The \"t\" function provided by the editor\n * that is used to localize strings.\n * @returns {String}\n */\nexport function getLocalizedColorErrorText( t ) {\n\treturn t( 'The color is invalid. Try \"#FF0000\" or \"rgb(255,0,0)\" or \"red\".' );\n}\n\n/**\n * Returns a localized error string that can be displayed next to length (padding, border width)\n * fields that have an invalid value.\n *\n * @param {module:utils/locale~Locale#t} t The \"t\" function provided by the editor\n * that is used to localize strings.\n * @returns {String}\n */\nexport function getLocalizedLengthErrorText( t ) {\n\treturn t( 'The value is invalid. Try \"10px\" or \"2em\" or simply \"2\".' );\n}\n\n/**\n * Returns `true` when the passed value is an empty string or a valid CSS color expression.\n * Otherwise, `false` is returned.\n *\n * See {@link module:engine/view/styles/utils~isColor}.\n *\n * @param {String} value\n * @returns {Boolean}\n */\nexport function colorFieldValidator( value ) {\n\tvalue = value.trim();\n\n\treturn isEmpty( value ) || isColor( value );\n}\n\n/**\n * Returns `true` when the passed value is an empty string, a number without a unit or a valid CSS length expression.\n * Otherwise, `false` is returned.\n *\n * See {@link module:engine/view/styles/utils~isLength}.\n * See {@link module:engine/view/styles/utils~isPercentage}.\n *\n * @param {String} value\n * @returns {Boolean}\n */\nexport function lengthFieldValidator( value ) {\n\tvalue = value.trim();\n\n\treturn isEmpty( value ) || isNumberString( value ) || isLength( value ) || isPercentage( value );\n}\n\n/**\n * Returns `true` when the passed value is an empty string, a number without a unit or a valid CSS length expression.\n * Otherwise, `false` is returned.\n *\n * See {@link module:engine/view/styles/utils~isLength}.\n *\n * @param {String} value\n * @returns {Boolean}\n */\nexport function lineWidthFieldValidator( value ) {\n\tvalue = value.trim();\n\n\treturn isEmpty( value ) || isNumberString( value ) || isLength( value );\n}\n\n/**\n * Generates item definitions for a UI dropdown that allows changing the border style of a table or a table cell.\n *\n * @param {module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView|\n * module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView} view\n * @returns {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>}\n */\nexport function getBorderStyleDefinitions( view ) {\n\tconst itemDefinitions = new Collection();\n\tconst styleLabels = getBorderStyleLabels( view.t );\n\n\tfor ( const style in styleLabels ) {\n\t\tconst definition = {\n\t\t\ttype: 'button',\n\t\t\tmodel: new Model( {\n\t\t\t\t_borderStyleValue: style === 'none' ? '' : style,\n\t\t\t\tlabel: styleLabels[ style ],\n\t\t\t\twithText: true\n\t\t\t} )\n\t\t};\n\n\t\tif ( style === 'none' ) {\n\t\t\tdefinition.model.bind( 'isOn' ).to( view, 'borderStyle', value => !value );\n\t\t} else {\n\t\t\tdefinition.model.bind( 'isOn' ).to( view, 'borderStyle', value => {\n\t\t\t\treturn value === style;\n\t\t\t} );\n\t\t}\n\n\t\titemDefinitions.add( definition );\n\t}\n\n\treturn itemDefinitions;\n}\n\n/**\n * A helper that fills a toolbar with buttons that:\n *\n * * have some labels,\n * * have some icons,\n * * set a certain UI view property value upon execution.\n *\n * @param {Object} options\n * @param {module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView|\n * module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView} options.view\n * @param {Array.<String>} options.icons\n * @param {module:ui/toolbar/toolbarview~ToolbarView} options.toolbar\n * @param {Object.<String,String>} labels\n * @param {String} propertyName\n * @param {Function} nameToValue A function that maps a button name to a value. By default names are the same as values.\n */\nexport function fillToolbar( { view, icons, toolbar, labels, propertyName, nameToValue } ) {\n\tfor ( const name in labels ) {\n\t\tconst button = new ButtonView( view.locale );\n\n\t\tbutton.set( {\n\t\t\tlabel: labels[ name ],\n\t\t\ticon: icons[ name ],\n\t\t\ttooltip: labels[ name ]\n\t\t} );\n\n\t\tbutton.bind( 'isOn' ).to( view, propertyName, value => {\n\t\t\treturn value === nameToValue( name );\n\t\t} );\n\n\t\tbutton.on( 'execute', () => {\n\t\t\tview[ propertyName ] = nameToValue( name );\n\t\t} );\n\n\t\ttoolbar.items.add( button );\n\t}\n}\n\n/**\n * A default color palette used by various user interfaces related to tables, for instance,\n * by {@link module:table/tablecellproperties/tablecellpropertiesui~TableCellPropertiesUI} or\n * {@link module:table/tableproperties/tablepropertiesui~TablePropertiesUI}.\n *\n * The color palette follows the {@link module:table/table~TableColorConfig table color configuration format}\n * and contains the following color definitions:\n *\n *\t\tconst defaultColors = [\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 0%)',\n *\t\t\t\tlabel: 'Black'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 30%)',\n *\t\t\t\tlabel: 'Dim grey'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 60%)',\n *\t\t\t\tlabel: 'Grey'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\tlabel: 'Light grey'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 100%)',\n *\t\t\t\tlabel: 'White',\n *\t\t\t\thasBorder: true\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 75%, 60%)',\n *\t\t\t\tlabel: 'Red'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(30, 75%, 60%)',\n *\t\t\t\tlabel: 'Orange'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(60, 75%, 60%)',\n *\t\t\t\tlabel: 'Yellow'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(90, 75%, 60%)',\n *\t\t\t\tlabel: 'Light green'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n *\t\t\t\tlabel: 'Green'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(150, 75%, 60%)',\n *\t\t\t\tlabel: 'Aquamarine'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(180, 75%, 60%)',\n *\t\t\t\tlabel: 'Turquoise'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(210, 75%, 60%)',\n *\t\t\t\tlabel: 'Light blue'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(240, 75%, 60%)',\n *\t\t\t\tlabel: 'Blue'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(270, 75%, 60%)',\n *\t\t\t\tlabel: 'Purple'\n *\t\t\t}\n *\t\t];\n */\nexport const defaultColors = [\n\t{\n\t\tcolor: 'hsl(0, 0%, 0%)',\n\t\tlabel: 'Black'\n\t},\n\t{\n\t\tcolor: 'hsl(0, 0%, 30%)',\n\t\tlabel: 'Dim grey'\n\t},\n\t{\n\t\tcolor: 'hsl(0, 0%, 60%)',\n\t\tlabel: 'Grey'\n\t},\n\t{\n\t\tcolor: 'hsl(0, 0%, 90%)',\n\t\tlabel: 'Light grey'\n\t},\n\t{\n\t\tcolor: 'hsl(0, 0%, 100%)',\n\t\tlabel: 'White',\n\t\thasBorder: true\n\t},\n\t{\n\t\tcolor: 'hsl(0, 75%, 60%)',\n\t\tlabel: 'Red'\n\t},\n\t{\n\t\tcolor: 'hsl(30, 75%, 60%)',\n\t\tlabel: 'Orange'\n\t},\n\t{\n\t\tcolor: 'hsl(60, 75%, 60%)',\n\t\tlabel: 'Yellow'\n\t},\n\t{\n\t\tcolor: 'hsl(90, 75%, 60%)',\n\t\tlabel: 'Light green'\n\t},\n\t{\n\t\tcolor: 'hsl(120, 75%, 60%)',\n\t\tlabel: 'Green'\n\t},\n\t{\n\t\tcolor: 'hsl(150, 75%, 60%)',\n\t\tlabel: 'Aquamarine'\n\t},\n\t{\n\t\tcolor: 'hsl(180, 75%, 60%)',\n\t\tlabel: 'Turquoise'\n\t},\n\t{\n\t\tcolor: 'hsl(210, 75%, 60%)',\n\t\tlabel: 'Light blue'\n\t},\n\t{\n\t\tcolor: 'hsl(240, 75%, 60%)',\n\t\tlabel: 'Blue'\n\t},\n\t{\n\t\tcolor: 'hsl(270, 75%, 60%)',\n\t\tlabel: 'Purple'\n\t}\n];\n\n/**\n * Returns a creator for a color input with a label.\n *\n * For given options, it returns a function that creates an instance of a\n * {@link module:table/ui/colorinputview~ColorInputView color input} logically related to\n * a {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView labeled view} in the DOM.\n *\n * The helper does the following:\n *\n * * It sets the color input `id` and `ariaDescribedById` attributes.\n * * It binds the color input `isReadOnly` to the labeled view.\n * * It binds the color input `hasError` to the labeled view.\n * * It enables a logic that cleans up the error when the user starts typing in the color input.\n *\n * Usage:\n *\n *\t\tconst colorInputCreator = getLabeledColorInputCreator( {\n *\t\t\tcolorConfig: [ ... ],\n *\t\t\tcolumns: 3,\n *\t\t} );\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, colorInputCreator );\n *\t\tconsole.log( labeledInputView.view ); // A color input instance.\n *\n * @private\n * @param options Color input options.\n * @param {module:table/table~TableColorConfig} options.colorConfig The configuration of the color palette\n * displayed in the input's dropdown.\n * @param {Number} options.columns The configuration of the number of columns the color palette consists of\n * in the input's dropdown.\n * @returns {Function}\n */\nexport function getLabeledColorInputCreator( options ) {\n\treturn ( labeledFieldView, viewUid, statusUid ) => {\n\t\tconst inputView = new ColorInputView( labeledFieldView.locale, {\n\t\t\tcolorDefinitions: colorConfigToColorGridDefinitions( options.colorConfig ),\n\t\t\tcolumns: options.columns\n\t\t} );\n\n\t\tinputView.set( {\n\t\t\tid: viewUid,\n\t\t\tariaDescribedById: statusUid\n\t\t} );\n\n\t\tinputView.bind( 'isReadOnly' ).to( labeledFieldView, 'isEnabled', value => !value );\n\t\tinputView.bind( 'hasError' ).to( labeledFieldView, 'errorText', value => !!value );\n\n\t\tinputView.on( 'input', () => {\n\t\t\t// UX: Make the error text disappear and disable the error indicator as the user\n\t\t\t// starts fixing the errors.\n\t\t\tlabeledFieldView.errorText = null;\n\t\t} );\n\n\t\tlabeledFieldView.bind( 'isEmpty', 'isFocused' ).to( inputView );\n\n\t\treturn inputView;\n\t};\n}\n\n// A simple helper method to detect number strings.\n// I allows full number notation, so omitting 0 is not allowed:\nfunction isNumberString( value ) {\n\tconst parsedValue = parseFloat( value );\n\n\treturn !Number.isNaN( parsedValue ) && value === String( parsedValue );\n}\n\n// @param {Array.<Object>} colorConfig\n// @returns {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>}\nfunction colorConfigToColorGridDefinitions( colorConfig ) {\n\treturn colorConfig.map( item => ( {\n\t\tcolor: item.model,\n\t\tlabel: item.label,\n\t\toptions: {\n\t\t\thasBorder: item.hasBorder\n\t\t}\n\t} ) );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/ui/formrowview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\n\nimport '../../theme/formrow.css';\n\n/**\n * The class representing a single row in a complex form,\n * used by {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView}.\n *\n * **Note**: For now this class is private. When more use cases arrive (beyond ckeditor5-table),\n * it will become a component in ckeditor5-ui.\n *\n * @private\n * @extends module:ui/view~View\n */\nexport default class FormRowView extends View {\n\t/**\n\t * Creates an instance of the form row class.\n\t *\n\t * @param {module:utils/locale~Locale} locale The locale instance.\n\t * @param {Object} options\n\t * @param {Array.<module:ui/view~View>} options.children\n\t * @param {String} [options.class]\n\t * @param {module:ui/view~View} [options.labelView] When passed, the row gets the `group` and `aria-labelledby`\n\t * DOM attributes and gets described by the label.\n\t */\n\tconstructor( locale, options = {} ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * An additional CSS class added to the {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class', options.class || null );\n\n\t\t/**\n\t\t * A collection of row items (buttons, dropdowns, etc.).\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tif ( options.children ) {\n\t\t\toptions.children.forEach( child => this.children.add( child ) );\n\t\t}\n\n\t\t/**\n\t\t * The role property reflected by the `role` DOM attribute of the {@link #element}.\n\t\t *\n\t\t * **Note**: Used only when a `labelView` is passed to constructor `options`.\n\t\t *\n\t\t * @private\n\t\t * @observable\n\t\t * @member {String} #role\n\t\t */\n\t\tthis.set( '_role', null );\n\n\t\t/**\n\t\t * The ARIA property reflected by the `aria-labelledby` DOM attribute of the {@link #element}.\n\t\t *\n\t\t * **Note**: Used only when a `labelView` is passed to constructor `options`.\n\t\t *\n\t\t * @private\n\t\t * @observable\n\t\t * @member {String} #ariaLabelledBy\n\t\t */\n\t\tthis.set( '_ariaLabelledBy', null );\n\n\t\tif ( options.labelView ) {\n\t\t\tthis.set( {\n\t\t\t\t_role: 'group',\n\t\t\t\t_ariaLabelledBy: options.labelView.id\n\t\t\t} );\n\t\t}\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form__row',\n\t\t\t\t\tbind.to( 'class' )\n\t\t\t\t],\n\t\t\t\trole: bind.to( '_role' ),\n\t\t\t\t'aria-labelledby': bind.to( '_ariaLabelledBy' )\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/formheader/formheaderview\n */\n\nimport View from '../view';\n\nimport '../../theme/components/formheader/formheader.css';\n\n/**\n * The class component representing a form header view. It should be used in more advanced forms to\n * describe the main purpose of the form.\n *\n * By default the component contains a bolded label view that has to be set. The label is usually a short (at most 3-word) string.\n * The component can also be extended by any other elements, like: icons, dropdowns, etc.\n *\n * It is used i.a.\n * by {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView}\n * and {@link module:special-characters/ui/specialcharactersnavigationview~SpecialCharactersNavigationView}.\n *\n * The latter is an example, where the component has been extended by {@link module:ui/dropdown/dropdownview~DropdownView} view.\n *\n * @extends module:ui/view~View\n */\nexport default class FormHeaderView extends View {\n\t/**\n\t * Creates an instance of the form header class.\n\t *\n\t * @param {module:utils/locale~Locale} locale The locale instance.\n\t * @param {Object} options\n\t * @param {String} options.label A label.\n\t * @param {String} [options.class] An additional class.\n\t */\n\tconstructor( locale, options = {} ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * The label of the header.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #label\n\t\t */\n\t\tthis.set( 'label', options.label || '' );\n\n\t\t/**\n\t\t * An additional CSS class added to the {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class', options.class || null );\n\n\t\t/**\n\t\t * A collection of header items.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form__header',\n\t\t\t\t\tbind.to( 'class' )\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\n\t\tconst label = new View( locale );\n\n\t\tlabel.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form__header__label'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{ text: bind.to( 'label' ) }\n\t\t\t]\n\t\t} );\n\n\t\tthis.children.add( label );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/ui/tablepropertiesview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\nimport ViewCollection from '@ckeditor/ckeditor5-ui/src/viewcollection';\nimport submitHandler from '@ckeditor/ckeditor5-ui/src/bindings/submithandler';\n\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '@ckeditor/ckeditor5-ui/src/focuscycler';\n\nimport LabeledFieldView from '@ckeditor/ckeditor5-ui/src/labeledfield/labeledfieldview';\nimport { createLabeledDropdown, createLabeledInputText } from '@ckeditor/ckeditor5-ui/src/labeledfield/utils';\nimport LabelView from '@ckeditor/ckeditor5-ui/src/label/labelview';\nimport { addListToDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';\nimport ToolbarView from '@ckeditor/ckeditor5-ui/src/toolbar/toolbarview';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport {\n\tfillToolbar,\n\tgetBorderStyleDefinitions,\n\tgetBorderStyleLabels,\n\tgetLabeledColorInputCreator\n} from '../../utils/ui/table-properties';\nimport FormRowView from '../../ui/formrowview';\n\nimport FormHeaderView from '@ckeditor/ckeditor5-ui/src/formheader/formheaderview';\n\nimport checkIcon from '@ckeditor/ckeditor5-core/theme/icons/check.svg';\nimport cancelIcon from '@ckeditor/ckeditor5-core/theme/icons/cancel.svg';\nimport objectLeftIcon from '@ckeditor/ckeditor5-core/theme/icons/object-left.svg';\nimport objectRightIcon from '@ckeditor/ckeditor5-core/theme/icons/object-right.svg';\nimport objectCenterIcon from '@ckeditor/ckeditor5-core/theme/icons/object-center.svg';\n\nimport '../../../theme/form.css';\nimport '../../../theme/tableform.css';\nimport '../../../theme/tableproperties.css';\n\nconst ALIGNMENT_ICONS = {\n\tleft: objectLeftIcon,\n\tcenter: objectCenterIcon,\n\tright: objectRightIcon\n};\n\n/**\n * The class representing a table properties form, allowing users to customize\n * certain style aspects of a table, for instance, border, background color, alignment, etc..\n *\n * @extends module:ui/view~View\n */\nexport default class TablePropertiesView extends View {\n\t/**\n\t * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n\t * @param {Object} options Additional configuration of the view.\n\t * @param {module:table/table~TableColorConfig} options.borderColors A configuration of the border\n\t * color palette used by the\n\t * {@link module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView#borderColorInput}.\n\t * @param {module:table/table~TableColorConfig} options.backgroundColors A configuration of the background\n\t * color palette used by the\n\t * {@link module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView#backgroundInput}.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tthis.set( {\n\t\t\t/**\n\t\t\t * The value of the border style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderStyle\n\t\t\t */\n\t\t\tborderStyle: '',\n\n\t\t\t/**\n\t\t\t * The value of the border width style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderWidth\n\t\t\t */\n\t\t\tborderWidth: '',\n\n\t\t\t/**\n\t\t\t * The value of the border color style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderColor\n\t\t\t */\n\t\t\tborderColor: '',\n\n\t\t\t/**\n\t\t\t * The value of the background color style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #backgroundColor\n\t\t\t */\n\t\t\tbackgroundColor: '',\n\n\t\t\t/**\n\t\t\t * The value of the table width style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #width\n\t\t\t */\n\t\t\twidth: '',\n\n\t\t\t/**\n\t\t\t * The value of the table height style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #height\n\t\t\t */\n\t\t\theight: '',\n\n\t\t\t/**\n\t\t\t * The value of the table alignment style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #alignment\n\t\t\t */\n\t\t\talignment: ''\n\t\t} );\n\n\t\t/**\n\t\t * Options passed to the view. See {@link #constructor} to learn more.\n\t\t *\n\t\t * @protected\n\t\t * @member {Object}\n\t\t */\n\t\tthis.options = options;\n\n\t\tconst { borderStyleDropdown, borderWidthInput, borderColorInput, borderRowLabel } = this._createBorderFields();\n\t\tconst { backgroundRowLabel, backgroundInput } = this._createBackgroundFields();\n\t\tconst { widthInput, operatorLabel, heightInput, dimensionsLabel } = this._createDimensionFields();\n\t\tconst { alignmentToolbar, alignmentLabel } = this._createAlignmentFields();\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * A collection of child views in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\t/**\n\t\t * A dropdown that allows selecting the style of the table border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/dropdown/dropdownview~DropdownView}\n\t\t */\n\t\tthis.borderStyleDropdown = borderStyleDropdown;\n\n\t\t/**\n\t\t * An input that allows specifying the width of the table border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.borderWidthInput = borderWidthInput;\n\n\t\t/**\n\t\t * An input that allows specifying the color of the table border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:table/ui/colorinputview~ColorInputView}\n\t\t */\n\t\tthis.borderColorInput = borderColorInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table background color.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:table/ui/colorinputview~ColorInputView}\n\t\t */\n\t\tthis.backgroundInput = backgroundInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table width.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.widthInput = widthInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table height.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.heightInput = heightInput;\n\n\t\t/**\n\t\t * A toolbar with buttons that allow changing the alignment of an entire table.\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbar~ToolbarView}\n\t\t */\n\t\tthis.alignmentToolbar = alignmentToolbar;\n\n\t\t// Defer creating to make sure other fields are present and the Save button can\n\t\t// bind its #isEnabled to their error messages so there's no way to save unless all\n\t\t// fields are valid.\n\t\tconst { saveButtonView, cancelButtonView } = this._createActionButtons();\n\n\t\t/**\n\t\t * The \"Save\" button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.saveButtonView = saveButtonView;\n\n\t\t/**\n\t\t * The \"Cancel\" button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.cancelButtonView = cancelButtonView;\n\n\t\t/**\n\t\t * A collection of views that can be focused in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate form fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate form fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\t// Form header.\n\t\tthis.children.add( new FormHeaderView( locale, {\n\t\t\tlabel: this.t( 'Table properties' )\n\t\t} ) );\n\n\t\t// Border row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: borderRowLabel,\n\t\t\tchildren: [\n\t\t\t\tborderRowLabel,\n\t\t\t\tborderStyleDropdown,\n\t\t\t\tborderColorInput,\n\t\t\t\tborderWidthInput\n\t\t\t],\n\t\t\tclass: 'ck-table-form__border-row'\n\t\t} ) );\n\n\t\t// Background row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: backgroundRowLabel,\n\t\t\tchildren: [\n\t\t\t\tbackgroundRowLabel,\n\t\t\t\tbackgroundInput\n\t\t\t],\n\t\t\tclass: 'ck-table-form__background-row'\n\t\t} ) );\n\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tchildren: [\n\t\t\t\t// Dimensions row.\n\t\t\t\tnew FormRowView( locale, {\n\t\t\t\t\tlabelView: dimensionsLabel,\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tdimensionsLabel,\n\t\t\t\t\t\twidthInput,\n\t\t\t\t\t\toperatorLabel,\n\t\t\t\t\t\theightInput\n\t\t\t\t\t],\n\t\t\t\t\tclass: 'ck-table-form__dimensions-row'\n\t\t\t\t} ),\n\t\t\t\t// Alignment row.\n\t\t\t\tnew FormRowView( locale, {\n\t\t\t\t\tlabelView: alignmentLabel,\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\talignmentLabel,\n\t\t\t\t\t\talignmentToolbar\n\t\t\t\t\t],\n\t\t\t\t\tclass: 'ck-table-properties-form__alignment-row'\n\t\t\t\t} )\n\t\t\t]\n\t\t} ) );\n\n\t\t// Action row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tchildren: [\n\t\t\t\tthis.saveButtonView,\n\t\t\t\tthis.cancelButtonView\n\t\t\t],\n\t\t\tclass: 'ck-table-form__action-row'\n\t\t} ) );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'form',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form',\n\t\t\t\t\t'ck-table-form',\n\t\t\t\t\t'ck-table-properties-form'\n\t\t\t\t],\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/90\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Enable the \"submit\" event for this view. It can be triggered by the #saveButtonView\n\t\t// which is of the \"submit\" DOM \"type\".\n\t\tsubmitHandler( {\n\t\t\tview: this\n\t\t} );\n\n\t\t[\n\t\t\tthis.borderStyleDropdown,\n\t\t\tthis.borderColorInput,\n\t\t\tthis.borderWidthInput,\n\t\t\tthis.backgroundInput,\n\t\t\tthis.widthInput,\n\t\t\tthis.heightInput,\n\t\t\tthis.alignmentToolbar,\n\t\t\tthis.saveButtonView,\n\t\t\tthis.cancelButtonView\n\t\t].forEach( view => {\n\t\t\t// Register the view as focusable.\n\t\t\tthis._focusables.add( view );\n\n\t\t\t// Register the view in the focus tracker.\n\t\t\tthis.focusTracker.add( view.element );\n\t\t} );\n\n\t\t// Mainly for closing using \"Esc\" and navigation using \"Tab\".\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * Focuses the fist focusable field in the form.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #borderStyleDropdown},\n\t * * {@link #borderWidthInput},\n\t * * {@link #borderColorInput}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createBorderFields() {\n\t\tconst colorInputCreator = getLabeledColorInputCreator( {\n\t\t\tcolorConfig: this.options.borderColors,\n\t\t\tcolumns: 5\n\t\t} );\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Group label ---------------------------------------------\n\n\t\tconst borderRowLabel = new LabelView( locale );\n\t\tborderRowLabel.text = t( 'Border' );\n\n\t\t// -- Style ---------------------------------------------------\n\n\t\tconst styleLabels = getBorderStyleLabels( this.t );\n\t\tconst borderStyleDropdown = new LabeledFieldView( locale, createLabeledDropdown );\n\t\tborderStyleDropdown.set( {\n\t\t\tlabel: t( 'Style' ),\n\t\t\tclass: 'ck-table-form__border-style'\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.buttonView.set( {\n\t\t\tisOn: false,\n\t\t\twithText: true,\n\t\t\ttooltip: t( 'Style' )\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.buttonView.bind( 'label' ).to( this, 'borderStyle', value => {\n\t\t\treturn styleLabels[ value ? value : 'none' ];\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.on( 'execute', evt => {\n\t\t\tthis.borderStyle = evt.source._borderStyleValue;\n\t\t} );\n\n\t\tborderStyleDropdown.bind( 'isEmpty' ).to( this, 'borderStyle', value => !value );\n\n\t\taddListToDropdown( borderStyleDropdown.fieldView, getBorderStyleDefinitions( this ) );\n\n\t\t// -- Width ---------------------------------------------------\n\n\t\tconst borderWidthInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\tborderWidthInput.set( {\n\t\t\tlabel: t( 'Width' ),\n\t\t\tclass: 'ck-table-form__border-width'\n\t\t} );\n\n\t\tborderWidthInput.fieldView.bind( 'value' ).to( this, 'borderWidth' );\n\t\tborderWidthInput.bind( 'isEnabled' ).to( this, 'borderStyle', isBorderStyleSet );\n\t\tborderWidthInput.fieldView.on( 'input', () => {\n\t\t\tthis.borderWidth = borderWidthInput.fieldView.element.value;\n\t\t} );\n\n\t\t// -- Color ---------------------------------------------------\n\n\t\tconst borderColorInput = new LabeledFieldView( locale, colorInputCreator );\n\n\t\tborderColorInput.set( {\n\t\t\tlabel: t( 'Color' ),\n\t\t\tclass: 'ck-table-form__border-color'\n\t\t} );\n\n\t\tborderColorInput.fieldView.bind( 'value' ).to( this, 'borderColor' );\n\t\tborderColorInput.bind( 'isEnabled' ).to( this, 'borderStyle', isBorderStyleSet );\n\n\t\tborderColorInput.fieldView.on( 'input', () => {\n\t\t\tthis.borderColor = borderColorInput.fieldView.value;\n\t\t} );\n\n\t\t// Reset the border color and width fields when style is \"none\".\n\t\t// https://github.com/ckeditor/ckeditor5/issues/6227\n\t\tthis.on( 'change:borderStyle', ( evt, name, value ) => {\n\t\t\tif ( !isBorderStyleSet( value ) ) {\n\t\t\t\tthis.borderColor = '';\n\t\t\t\tthis.borderWidth = '';\n\t\t\t}\n\t\t} );\n\n\t\treturn {\n\t\t\tborderRowLabel,\n\t\t\tborderStyleDropdown,\n\t\t\tborderColorInput,\n\t\t\tborderWidthInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #backgroundInput}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createBackgroundFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Group label ---------------------------------------------\n\n\t\tconst backgroundRowLabel = new LabelView( locale );\n\t\tbackgroundRowLabel.text = t( 'Background' );\n\n\t\t// -- Background color input -----------------------------------\n\n\t\tconst backgroundInputCreator = getLabeledColorInputCreator( {\n\t\t\tcolorConfig: this.options.backgroundColors,\n\t\t\tcolumns: 5\n\t\t} );\n\n\t\tconst backgroundInput = new LabeledFieldView( locale, backgroundInputCreator );\n\n\t\tbackgroundInput.set( {\n\t\t\tlabel: t( 'Color' ),\n\t\t\tclass: 'ck-table-properties-form__background'\n\t\t} );\n\n\t\tbackgroundInput.fieldView.bind( 'value' ).to( this, 'backgroundColor' );\n\t\tbackgroundInput.fieldView.on( 'input', () => {\n\t\t\tthis.backgroundColor = backgroundInput.fieldView.value;\n\t\t} );\n\n\t\treturn {\n\t\t\tbackgroundRowLabel,\n\t\t\tbackgroundInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #widthInput}.\n\t * * {@link #heightInput}.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView}\n\t */\n\t_createDimensionFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Label ---------------------------------------------------\n\n\t\tconst dimensionsLabel = new LabelView( locale );\n\t\tdimensionsLabel.text = t( 'Dimensions' );\n\n\t\t// -- Width ---------------------------------------------------\n\n\t\tconst widthInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\twidthInput.set( {\n\t\t\tlabel: t( 'Width' ),\n\t\t\tclass: 'ck-table-form__dimensions-row__width'\n\t\t} );\n\n\t\twidthInput.fieldView.bind( 'value' ).to( this, 'width' );\n\t\twidthInput.fieldView.on( 'input', () => {\n\t\t\tthis.width = widthInput.fieldView.element.value;\n\t\t} );\n\n\t\t// -- Operator ---------------------------------------------------\n\n\t\tconst operatorLabel = new View( locale );\n\t\toperatorLabel.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-table-form__dimension-operator'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{ text: '×' }\n\t\t\t]\n\t\t} );\n\n\t\t// -- Height ---------------------------------------------------\n\n\t\tconst heightInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\theightInput.set( {\n\t\t\tlabel: t( 'Height' ),\n\t\t\tclass: 'ck-table-form__dimensions-row__height'\n\t\t} );\n\n\t\theightInput.fieldView.bind( 'value' ).to( this, 'height' );\n\t\theightInput.fieldView.on( 'input', () => {\n\t\t\tthis.height = heightInput.fieldView.element.value;\n\t\t} );\n\n\t\treturn {\n\t\t\tdimensionsLabel,\n\t\t\twidthInput,\n\t\t\toperatorLabel,\n\t\t\theightInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #alignmentToolbar},\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createAlignmentFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Label ---------------------------------------------------\n\n\t\tconst alignmentLabel = new LabelView( locale );\n\t\talignmentLabel.text = t( 'Alignment' );\n\n\t\t// -- Toolbar ---------------------------------------------------\n\n\t\tconst alignmentToolbar = new ToolbarView( locale );\n\t\talignmentToolbar.set( {\n\t\t\tisCompact: true,\n\t\t\tariaLabel: t( 'Table alignment toolbar' )\n\t\t} );\n\n\t\tfillToolbar( {\n\t\t\tview: this,\n\t\t\ticons: ALIGNMENT_ICONS,\n\t\t\ttoolbar: alignmentToolbar,\n\t\t\tlabels: this._alignmentLabels,\n\t\t\tpropertyName: 'alignment',\n\t\t\tnameToValue: name => {\n\t\t\t\treturn name === 'center' ? '' : name;\n\t\t\t}\n\t\t} );\n\n\t\treturn {\n\t\t\talignmentLabel,\n\t\t\talignmentToolbar\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form controls:\n\t *\n\t * * {@link #saveButtonView},\n\t * * {@link #cancelButtonView}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createActionButtons() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst saveButtonView = new ButtonView( locale );\n\t\tconst cancelButtonView = new ButtonView( locale );\n\t\tconst fieldsThatShouldValidateToSave = [\n\t\t\tthis.borderWidthInput,\n\t\t\tthis.borderColorInput,\n\t\t\tthis.backgroundInput,\n\t\t\tthis.widthInput,\n\t\t\tthis.heightInput\n\t\t];\n\n\t\tsaveButtonView.set( {\n\t\t\tlabel: t( 'Save' ),\n\t\t\ticon: checkIcon,\n\t\t\tclass: 'ck-button-save',\n\t\t\ttype: 'submit',\n\t\t\twithText: true\n\t\t} );\n\n\t\tsaveButtonView.bind( 'isEnabled' ).toMany( fieldsThatShouldValidateToSave, 'errorText', ( ...errorTexts ) => {\n\t\t\treturn errorTexts.every( errorText => !errorText );\n\t\t} );\n\n\t\tcancelButtonView.set( {\n\t\t\tlabel: t( 'Cancel' ),\n\t\t\ticon: cancelIcon,\n\t\t\tclass: 'ck-button-cancel',\n\t\t\ttype: 'cancel',\n\t\t\twithText: true\n\t\t} );\n\n\t\tcancelButtonView.delegate( 'execute' ).to( this, 'cancel' );\n\n\t\treturn {\n\t\t\tsaveButtonView, cancelButtonView\n\t\t};\n\t}\n\n\t/**\n\t * Provides localized labels for {@link #alignmentToolbar} buttons.\n\t *\n\t * @private\n\t * @type {Object.<String,String>}\n\t */\n\tget _alignmentLabels() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst left = t( 'Align table to the left' );\n\t\tconst center = t( 'Center table' );\n\t\tconst right = t( 'Align table to the right' );\n\n\t\t// Returns object with a proper order of labels.\n\t\tif ( locale.uiLanguageDirection === 'rtl' ) {\n\t\t\treturn { right, center, left };\n\t\t} else {\n\t\t\treturn { left, center, right };\n\t\t}\n\t}\n}\n\nfunction isBorderStyleSet( value ) {\n\treturn !!value;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/colorgrid/utils\n */\n\n/**\n * Returns color configuration options as defined in `editor.config.(fontColor|fontBackgroundColor).colors` or\n * `editor.config.table.(tableProperties|tableCellProperties).(background|border).colors\n * but processed to account for editor localization in the correct language.\n *\n * Note: The reason behind this method is that there is no way to use {@link module:utils/locale~Locale#t}\n * when the user configuration is defined because the editor does not exist yet.\n *\n * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n * @param {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>} options\n * @returns {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>}.\n */\nexport function getLocalizedColorOptions( locale, options ) {\n\tconst t = locale.t;\n\tconst localizedColorNames = {\n\t\tBlack: t( 'Black' ),\n\t\t'Dim grey': t( 'Dim grey' ),\n\t\tGrey: t( 'Grey' ),\n\t\t'Light grey': t( 'Light grey' ),\n\t\tWhite: t( 'White' ),\n\t\tRed: t( 'Red' ),\n\t\tOrange: t( 'Orange' ),\n\t\tYellow: t( 'Yellow' ),\n\t\t'Light green': t( 'Light green' ),\n\t\tGreen: t( 'Green' ),\n\t\tAquamarine: t( 'Aquamarine' ),\n\t\tTurquoise: t( 'Turquoise' ),\n\t\t'Light blue': t( 'Light blue' ),\n\t\tBlue: t( 'Blue' ),\n\t\tPurple: t( 'Purple' )\n\t};\n\n\treturn options.map( colorOption => {\n\t\tconst label = localizedColorNames[ colorOption.label ];\n\n\t\tif ( label && label != colorOption.label ) {\n\t\t\tcolorOption.label = label;\n\t\t}\n\n\t\treturn colorOption;\n\t} );\n}\n\n/**\n * Creates a unified color definition object from color configuration options.\n * The object contains the information necessary to both render the UI and initialize the conversion.\n *\n * @param {module:ui/colorgrid/colorgrid~ColorDefinition} options\n * @returns {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>}\n */\nexport function normalizeColorOptions( options ) {\n\treturn options\n\t\t.map( normalizeSingleColorDefinition )\n\t\t.filter( option => !!option );\n}\n\n// Creates a normalized color definition from the user-defined configuration.\n// The \"normalization\" means it will create full\n// {@link module:ui/colorgrid/colorgrid~ColorDefinition `ColorDefinition-like`}\n// object for string values, and add a `view` property, for each definition.\n//\n// @param {String|module:ui/colorgrid/colorgrid~ColorDefinition}\n// @returns {module:ui/colorgrid/colorgrid~ColorDefinition}\nexport function normalizeSingleColorDefinition( color ) {\n\tif ( typeof color === 'string' ) {\n\t\treturn {\n\t\t\tmodel: color,\n\t\t\tlabel: color,\n\t\t\thasBorder: false,\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tstyles: {\n\t\t\t\t\tcolor\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t} else {\n\t\treturn {\n\t\t\tmodel: color.color,\n\t\t\tlabel: color.label || color.color,\n\t\t\thasBorder: color.hasBorder === undefined ? false : color.hasBorder,\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tstyles: {\n\t\t\t\t\tcolor: `${ color.color }`\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/ui/contextualballoon\n */\n\nimport { centeredBalloonPositionForLongWidgets } from '@ckeditor/ckeditor5-widget/src/utils';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport { getTableWidgetAncestor } from './widget';\nimport BalloonPanelView from '@ckeditor/ckeditor5-ui/src/panel/balloon/balloonpanelview';\n\nconst DEFAULT_BALLOON_POSITIONS = BalloonPanelView.defaultPositions;\n\nconst BALLOON_POSITIONS = [\n\tDEFAULT_BALLOON_POSITIONS.northArrowSouth,\n\tDEFAULT_BALLOON_POSITIONS.northArrowSouthWest,\n\tDEFAULT_BALLOON_POSITIONS.northArrowSouthEast,\n\tDEFAULT_BALLOON_POSITIONS.southArrowNorth,\n\tDEFAULT_BALLOON_POSITIONS.southArrowNorthWest,\n\tDEFAULT_BALLOON_POSITIONS.southArrowNorthEast\n];\n\nconst TABLE_PROPERTIES_BALLOON_POSITIONS = [\n\t...BALLOON_POSITIONS,\n\tcenteredBalloonPositionForLongWidgets\n];\n\n/**\n * A helper utility that positions the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} instance\n * with respect to the table in the editor content, if one is selected.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @param {String} target Either \"cell\" or \"table\". Determines the target the balloon will\n * be attached to.\n */\nexport function repositionContextualBalloon( editor, target ) {\n\tconst balloon = editor.plugins.get( 'ContextualBalloon' );\n\n\tif ( getTableWidgetAncestor( editor.editing.view.document.selection ) ) {\n\t\tlet position;\n\n\t\tif ( target === 'cell' ) {\n\t\t\tposition = getBalloonCellPositionData( editor );\n\t\t} else {\n\t\t\tposition = getBalloonTablePositionData( editor );\n\t\t}\n\n\t\tballoon.updatePosition( position );\n\t}\n}\n\n/**\n * Returns the positioning options that control the geometry of the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} with respect\n * to the selected table in the editor content.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @returns {module:utils/dom/position~Options}\n */\nexport function getBalloonTablePositionData( editor ) {\n\tconst firstPosition = editor.model.document.selection.getFirstPosition();\n\tconst modelTable = firstPosition.findAncestor( 'table' );\n\tconst viewTable = editor.editing.mapper.toViewElement( modelTable );\n\n\treturn {\n\t\ttarget: editor.editing.view.domConverter.viewToDom( viewTable ),\n\t\tpositions: TABLE_PROPERTIES_BALLOON_POSITIONS\n\t};\n}\n\n/**\n * Returns the positioning options that control the geometry of the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} with respect\n * to the selected table cell in the editor content.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @returns {module:utils/dom/position~Options}\n */\nexport function getBalloonCellPositionData( editor ) {\n\tconst mapper = editor.editing.mapper;\n\tconst domConverter = editor.editing.view.domConverter;\n\tconst selection = editor.model.document.selection;\n\n\tif ( selection.rangeCount > 1 ) {\n\t\treturn {\n\t\t\ttarget: () => createBoundingRect( selection.getRanges(), editor ),\n\t\t\tpositions: BALLOON_POSITIONS\n\t\t};\n\t}\n\n\tconst modelTableCell = getTableCellAtPosition( selection.getFirstPosition() );\n\tconst viewTableCell = mapper.toViewElement( modelTableCell );\n\n\treturn {\n\t\ttarget: domConverter.viewToDom( viewTableCell ),\n\t\tpositions: BALLOON_POSITIONS\n\t};\n}\n\n// Returns the first selected table cell from a multi-cell or in-cell selection.\n//\n// @param {module:engine/model/position~Position} position Document position.\n// @returns {module:engine/model/element~Element}\nfunction getTableCellAtPosition( position ) {\n\tconst isTableCellSelected = position.nodeAfter && position.nodeAfter.is( 'element', 'tableCell' );\n\n\treturn isTableCellSelected ? position.nodeAfter : position.findAncestor( 'tableCell' );\n}\n\n// Returns bounding rectangle for given model ranges.\n//\n// @param {Iterable.<module:engine/model/range~Range>} ranges Model ranges that the bounding rect should be returned for.\n// @param {module:core/editor/editor~Editor} editor The editor instance.\n// @returns {module:utils/dom/rect~Rect}\nfunction createBoundingRect( ranges, editor ) {\n\tconst mapper = editor.editing.mapper;\n\tconst domConverter = editor.editing.view.domConverter;\n\tconst rects = Array.from( ranges ).map( range => {\n\t\tconst modelTableCell = getTableCellAtPosition( range.start );\n\t\tconst viewTableCell = mapper.toViewElement( modelTableCell );\n\t\treturn new Rect( domConverter.viewToDom( viewTableCell ) );\n\t} );\n\n\treturn Rect.getBoundingRect( rects );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/tablepropertiesui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport clickOutsideHandler from '@ckeditor/ckeditor5-ui/src/bindings/clickoutsidehandler';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\nimport TablePropertiesView from './ui/tablepropertiesview';\nimport tableProperties from './../../theme/icons/table-properties.svg';\nimport {\n\tcolorFieldValidator,\n\tgetLocalizedColorErrorText,\n\tgetLocalizedLengthErrorText,\n\tlengthFieldValidator,\n\tlineWidthFieldValidator,\n\tdefaultColors\n} from '../utils/ui/table-properties';\nimport {\n\tgetLocalizedColorOptions,\n\tnormalizeColorOptions\n} from '@ckeditor/ckeditor5-ui/src/colorgrid/utils';\nimport { debounce } from 'lodash-es';\nimport { getTableWidgetAncestor } from '../utils/ui/widget';\nimport { getBalloonTablePositionData, repositionContextualBalloon } from '../utils/ui/contextualballoon';\n\nconst ERROR_TEXT_TIMEOUT = 500;\n\n// Map of view properties and related commands.\nconst propertyToCommandMap = {\n\tborderStyle: 'tableBorderStyle',\n\tborderColor: 'tableBorderColor',\n\tborderWidth: 'tableBorderWidth',\n\tbackgroundColor: 'tableBackgroundColor',\n\twidth: 'tableWidth',\n\theight: 'tableHeight',\n\talignment: 'tableAlignment'\n};\n\n/**\n * The table properties UI plugin. It introduces the `'tableProperties'` button\n * that opens a form allowing to specify visual styling of an entire table.\n *\n * It uses the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon plugin}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TablePropertiesUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TablePropertiesUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'table.tableProperties', {\n\t\t\tborderColors: defaultColors,\n\t\t\tbackgroundColors: defaultColors\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t/**\n\t\t * The properties form view displayed inside the balloon.\n\t\t *\n\t\t * @member {module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView}\n\t\t */\n\t\tthis.view = this._createPropertiesView();\n\n\t\t/**\n\t\t * The batch used to undo all changes made by the form (which are live, as the user types)\n\t\t * when \"Cancel\" was pressed. Each time the view is shown, a new batch is created.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/model/batch~Batch}\n\t\t */\n\t\tthis._undoStepBatch = null;\n\n\t\teditor.ui.componentFactory.add( 'tableProperties', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Table properties' ),\n\t\t\t\ticon: tableProperties,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tthis.listenTo( view, 'execute', () => this._showView() );\n\n\t\t\tconst commands = Object.values( propertyToCommandMap )\n\t\t\t\t.map( commandName => editor.commands.get( commandName ) );\n\n\t\t\tview.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => (\n\t\t\t\tareEnabled.some( isCommandEnabled => isCommandEnabled )\n\t\t\t) );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1341.\n\t\tthis.view.destroy();\n\t}\n\n\t/**\n\t * Creates the {@link module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView} instance.\n\t *\n\t * @private\n\t * @returns {module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView} The table\n\t * properties form view instance.\n\t */\n\t_createPropertiesView() {\n\t\tconst editor = this.editor;\n\t\tconst config = editor.config.get( 'table.tableProperties' );\n\t\tconst borderColorsConfig = normalizeColorOptions( config.borderColors );\n\t\tconst localizedBorderColors = getLocalizedColorOptions( editor.locale, borderColorsConfig );\n\t\tconst backgroundColorsConfig = normalizeColorOptions( config.backgroundColors );\n\t\tconst localizedBackgroundColors = getLocalizedColorOptions( editor.locale, backgroundColorsConfig );\n\t\tconst view = new TablePropertiesView( editor.locale, {\n\t\t\tborderColors: localizedBorderColors,\n\t\t\tbackgroundColors: localizedBackgroundColors\n\t\t} );\n\t\tconst t = editor.t;\n\n\t\t// Render the view so its #element is available for the clickOutsideHandler.\n\t\tview.render();\n\n\t\tthis.listenTo( view, 'submit', () => {\n\t\t\tthis._hideView();\n\t\t} );\n\n\t\tthis.listenTo( view, 'cancel', () => {\n\t\t\t// https://github.com/ckeditor/ckeditor5/issues/6180\n\t\t\tif ( this._undoStepBatch.operations.length ) {\n\t\t\t\teditor.execute( 'undo', this._undoStepBatch );\n\t\t\t}\n\n\t\t\tthis._hideView();\n\t\t} );\n\n\t\t// Close the balloon on Esc key press.\n\t\tview.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._hideView();\n\t\t\tcancel();\n\t\t} );\n\n\t\t// Close on click outside of balloon panel element.\n\t\tclickOutsideHandler( {\n\t\t\temitter: view,\n\t\t\tactivator: () => this._isViewInBalloon,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideView()\n\t\t} );\n\n\t\tconst colorErrorText = getLocalizedColorErrorText( t );\n\t\tconst lengthErrorText = getLocalizedLengthErrorText( t );\n\n\t\t// Create the \"UI -> editor data\" binding.\n\t\t// These listeners update the editor data (via table commands) when any observable\n\t\t// property of the view has changed. They also validate the value and display errors in the UI\n\t\t// when necessary. This makes the view live, which means the changes are\n\t\t// visible in the editing as soon as the user types or changes fields' values.\n\t\tview.on( 'change:borderStyle', this._getPropertyChangeCallback( 'tableBorderStyle' ) );\n\n\t\tview.on( 'change:borderColor', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.borderColorInput,\n\t\t\tcommandName: 'tableBorderColor',\n\t\t\terrorText: colorErrorText,\n\t\t\tvalidator: colorFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:borderWidth', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.borderWidthInput,\n\t\t\tcommandName: 'tableBorderWidth',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lineWidthFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:backgroundColor', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.backgroundInput,\n\t\t\tcommandName: 'tableBackgroundColor',\n\t\t\terrorText: colorErrorText,\n\t\t\tvalidator: colorFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:width', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.widthInput,\n\t\t\tcommandName: 'tableWidth',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:height', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.heightInput,\n\t\t\tcommandName: 'tableHeight',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:alignment', this._getPropertyChangeCallback( 'tableAlignment' ) );\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * In this method the \"editor data -> UI\" binding is happening.\n\t *\n\t * When executed, this method obtains selected table property values from various table commands\n\t * and passes them to the {@link #view}.\n\t *\n\t * This way, the UI stays up–to–date with the editor data.\n\t *\n\t * @private\n\t */\n\t_fillViewFormFromCommandValues() {\n\t\tconst commands = this.editor.commands;\n\n\t\tObject.entries( propertyToCommandMap )\n\t\t\t.map( ( [ property, commandName ] ) => [ property, commands.get( commandName ).value || '' ] )\n\t\t\t.forEach( ( [ property, value ] ) => this.view.set( property, value ) );\n\t}\n\n\t/**\n\t * Shows the {@link #view} in the {@link #_balloon}.\n\t *\n\t * **Note**: Each time a view is shown, the new {@link #_undoStepBatch} is created that contains\n\t * all changes made to the document when the view is visible, allowing a single undo step\n\t * for all of them.\n\t *\n\t * @protected\n\t */\n\t_showView() {\n\t\tconst editor = this.editor;\n\n\t\tthis.listenTo( editor.ui, 'update', () => {\n\t\t\tthis._updateView();\n\t\t} );\n\n\t\t// Update the view with the model values.\n\t\tthis._fillViewFormFromCommandValues();\n\n\t\tthis._balloon.add( {\n\t\t\tview: this.view,\n\t\t\tposition: getBalloonTablePositionData( editor )\n\t\t} );\n\n\t\t// Create a new batch. Clicking \"Cancel\" will undo this batch.\n\t\tthis._undoStepBatch = editor.model.createBatch();\n\n\t\t// Basic a11y.\n\t\tthis.view.focus();\n\t}\n\n\t/**\n\t * Removes the {@link #view} from the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_hideView() {\n\t\tconst editor = this.editor;\n\n\t\tthis.stopListening( editor.ui, 'update' );\n\n\t\t// Blur any input element before removing it from DOM to prevent issues in some browsers.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1501.\n\t\tthis.view.saveButtonView.focus();\n\n\t\tthis._balloon.remove( this.view );\n\n\t\t// Make sure the focus is not lost in the process by putting it directly\n\t\t// into the editing view.\n\t\tthis.editor.editing.view.focus();\n\t}\n\n\t/**\n\t * Repositions the {@link #_balloon} or hides the {@link #view} if a table is no longer selected.\n\t *\n\t * @protected\n\t */\n\t_updateView() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\n\t\tif ( !getTableWidgetAncestor( viewDocument.selection ) ) {\n\t\t\tthis._hideView();\n\t\t} else if ( this._isViewVisible ) {\n\t\t\trepositionContextualBalloon( editor, 'table' );\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #view} is the visible in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isViewVisible() {\n\t\treturn this._balloon.visibleView === this.view;\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #view} is in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isViewInBalloon() {\n\t\treturn this._balloon.hasView( this.view );\n\t}\n\n\t/**\n\t * Creates a callback that when executed upon {@link #view view's} property change\n\t * executes a related editor command with the new property value.\n\t *\n\t * @private\n\t * @param {String} commandName\n\t * @returns {Function}\n\t */\n\t_getPropertyChangeCallback( commandName ) {\n\t\treturn ( evt, propertyName, newValue ) => {\n\t\t\tthis.editor.execute( commandName, {\n\t\t\t\tvalue: newValue,\n\t\t\t\tbatch: this._undoStepBatch\n\t\t\t} );\n\t\t};\n\t}\n\n\t/**\n\t * Creates a callback that when executed upon {@link #view view's} property change:\n\t * * executes a related editor command with the new property value if the value is valid,\n\t * * or sets the error text next to the invalid field, if the value did not pass the validation.\n\t *\n\t * @private\n\t * @param {Object} options\n\t * @param {String} options.commandName\n\t * @param {module:ui/view~View} options.viewField\n\t * @param {Function} options.validator\n\t * @param {String} options.errorText\n\t * @returns {Function}\n\t */\n\t_getValidatedPropertyChangeCallback( { commandName, viewField, validator, errorText } ) {\n\t\tconst setErrorTextDebounced = debounce( () => {\n\t\t\tviewField.errorText = errorText;\n\t\t}, ERROR_TEXT_TIMEOUT );\n\n\t\treturn ( evt, propertyName, newValue ) => {\n\t\t\tsetErrorTextDebounced.cancel();\n\n\t\t\tif ( validator( newValue ) ) {\n\t\t\t\tthis.editor.execute( commandName, {\n\t\t\t\t\tvalue: newValue,\n\t\t\t\t\tbatch: this._undoStepBatch\n\t\t\t\t} );\n\n\t\t\t\tviewField.errorText = null;\n\t\t\t} else {\n\t\t\t\tsetErrorTextDebounced();\n\t\t\t}\n\t\t};\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M8 2v5h4V2h1v5h5v1h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5H7v-5H2v-1h5V8H2V7h5V2h1zm4 6H8v4h4V8z\\\" opacity=\\\".6\\\"/><path d=\\\"M15.5 11.5l1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM17 1a2 2 0 0 1 2 2v9.475l-.85-.124-.857-1.736a2.048 2.048 0 0 0-.292-.44L17 3H3v14h7.808l.402.392L10.935 19H3a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h14z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/ui/tablecellpropertiesview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\nimport ViewCollection from '@ckeditor/ckeditor5-ui/src/viewcollection';\nimport submitHandler from '@ckeditor/ckeditor5-ui/src/bindings/submithandler';\n\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '@ckeditor/ckeditor5-ui/src/focuscycler';\n\nimport LabeledFieldView from '@ckeditor/ckeditor5-ui/src/labeledfield/labeledfieldview';\nimport { createLabeledDropdown, createLabeledInputText } from '@ckeditor/ckeditor5-ui/src/labeledfield/utils';\nimport LabelView from '@ckeditor/ckeditor5-ui/src/label/labelview';\nimport { addListToDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';\nimport ToolbarView from '@ckeditor/ckeditor5-ui/src/toolbar/toolbarview';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport {\n\tfillToolbar,\n\tgetBorderStyleDefinitions,\n\tgetBorderStyleLabels,\n\tgetLabeledColorInputCreator\n} from '../../utils/ui/table-properties';\nimport FormRowView from '../../ui/formrowview';\n\nimport FormHeaderView from '@ckeditor/ckeditor5-ui/src/formheader/formheaderview';\n\nimport checkIcon from '@ckeditor/ckeditor5-core/theme/icons/check.svg';\nimport cancelIcon from '@ckeditor/ckeditor5-core/theme/icons/cancel.svg';\nimport alignLeftIcon from '@ckeditor/ckeditor5-core/theme/icons/align-left.svg';\nimport alignRightIcon from '@ckeditor/ckeditor5-core/theme/icons/align-right.svg';\nimport alignCenterIcon from '@ckeditor/ckeditor5-core/theme/icons/align-center.svg';\nimport alignJustifyIcon from '@ckeditor/ckeditor5-core/theme/icons/align-justify.svg';\nimport alignTopIcon from '@ckeditor/ckeditor5-core/theme/icons/align-top.svg';\nimport alignMiddleIcon from '@ckeditor/ckeditor5-core/theme/icons/align-middle.svg';\nimport alignBottomIcon from '@ckeditor/ckeditor5-core/theme/icons/align-bottom.svg';\n\nimport '../../../theme/form.css';\nimport '../../../theme/tableform.css';\nimport '../../../theme/tablecellproperties.css';\n\nconst ALIGNMENT_ICONS = {\n\tleft: alignLeftIcon,\n\tcenter: alignCenterIcon,\n\tright: alignRightIcon,\n\tjustify: alignJustifyIcon,\n\ttop: alignTopIcon,\n\tmiddle: alignMiddleIcon,\n\tbottom: alignBottomIcon\n};\n\n/**\n * The class representing a table cell properties form, allowing users to customize\n * certain style aspects of a table cell, for instance, border, padding, text alignment, etc..\n *\n * @extends module:ui/view~View\n */\nexport default class TableCellPropertiesView extends View {\n\t/**\n\t * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n\t * @param {Object} options Additional configuration of the view.\n\t * @param {module:table/table~TableColorConfig} options.borderColors A configuration of the border\n\t * color palette used by the\n\t * {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView#borderColorInput}.\n\t * @param {module:table/table~TableColorConfig} options.backgroundColors A configuration of the background\n\t * color palette used by the\n\t * {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView#backgroundInput}.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tthis.set( {\n\t\t\t/**\n\t\t\t * The value of the cell border style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderStyle\n\t\t\t */\n\t\t\tborderStyle: '',\n\n\t\t\t/**\n\t\t\t * The value of the cell border width style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderWidth\n\t\t\t */\n\t\t\tborderWidth: '',\n\n\t\t\t/**\n\t\t\t * The value of the cell border color style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderColor\n\t\t\t */\n\t\t\tborderColor: '',\n\n\t\t\t/**\n\t\t\t * The value of the cell padding style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #padding\n\t\t\t */\n\t\t\tpadding: '',\n\n\t\t\t/**\n\t\t\t * The value of the cell background color style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #backgroundColor\n\t\t\t */\n\t\t\tbackgroundColor: '',\n\n\t\t\t/**\n\t\t\t * The value of the table cell width style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #width\n\t\t\t */\n\t\t\twidth: '',\n\n\t\t\t/**\n\t\t\t * The value of the table cell height style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #height\n\t\t\t */\n\t\t\theight: '',\n\n\t\t\t/**\n\t\t\t * The value of the horizontal text alignment style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #horizontalAlignment\n\t\t\t */\n\t\t\thorizontalAlignment: '',\n\n\t\t\t/**\n\t\t\t * The value of the vertical text alignment style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #verticalAlignment\n\t\t\t */\n\t\t\tverticalAlignment: ''\n\t\t} );\n\n\t\t/**\n\t\t * Options passed to the view. See {@link #constructor} to learn more.\n\t\t *\n\t\t * @member {Object}\n\t\t */\n\t\tthis.options = options;\n\n\t\tconst { borderStyleDropdown, borderWidthInput, borderColorInput, borderRowLabel } = this._createBorderFields();\n\t\tconst { backgroundRowLabel, backgroundInput } = this._createBackgroundFields();\n\t\tconst { widthInput, operatorLabel, heightInput, dimensionsLabel } = this._createDimensionFields();\n\t\tconst { horizontalAlignmentToolbar, verticalAlignmentToolbar, alignmentLabel } = this._createAlignmentFields();\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * A collection of child views in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\t/**\n\t\t * A dropdown that allows selecting the style of the table cell border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/dropdown/dropdownview~DropdownView}\n\t\t */\n\t\tthis.borderStyleDropdown = borderStyleDropdown;\n\n\t\t/**\n\t\t * An input that allows specifying the width of the table cell border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.borderWidthInput = borderWidthInput;\n\n\t\t/**\n\t\t * An input that allows specifying the color of the table cell border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:table/ui/colorinputview~ColorInputView}\n\t\t */\n\t\tthis.borderColorInput = borderColorInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table cell background color.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:table/ui/colorinputview~ColorInputView}\n\t\t */\n\t\tthis.backgroundInput = backgroundInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table cell padding.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.paddingInput = this._createPaddingField();\n\n\t\t/**\n\t\t * An input that allows specifying the table cell width.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.widthInput = widthInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table cell height.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.heightInput = heightInput;\n\n\t\t/**\n\t\t * A toolbar with buttons that allow changing the horizontal text alignment in a table cell.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbar~ToolbarView}\n\t\t */\n\t\tthis.horizontalAlignmentToolbar = horizontalAlignmentToolbar;\n\n\t\t/**\n\t\t * A toolbar with buttons that allow changing the vertical text alignment in a table cell.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbar~ToolbarView}\n\t\t */\n\t\tthis.verticalAlignmentToolbar = verticalAlignmentToolbar;\n\n\t\t// Defer creating to make sure other fields are present and the Save button can\n\t\t// bind its #isEnabled to their error messages so there's no way to save unless all\n\t\t// fields are valid.\n\t\tconst { saveButtonView, cancelButtonView } = this._createActionButtons();\n\n\t\t/**\n\t\t * The \"Save\" button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.saveButtonView = saveButtonView;\n\n\t\t/**\n\t\t * The \"Cancel\" button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.cancelButtonView = cancelButtonView;\n\n\t\t/**\n\t\t * A collection of views that can be focused in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate form fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate form fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\t// Form header.\n\t\tthis.children.add( new FormHeaderView( locale, {\n\t\t\tlabel: this.t( 'Cell properties' )\n\t\t} ) );\n\n\t\t// Border row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: borderRowLabel,\n\t\t\tchildren: [\n\t\t\t\tborderRowLabel,\n\t\t\t\tborderStyleDropdown,\n\t\t\t\tborderColorInput,\n\t\t\t\tborderWidthInput\n\t\t\t],\n\t\t\tclass: 'ck-table-form__border-row'\n\t\t} ) );\n\n\t\t// Background.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: backgroundRowLabel,\n\t\t\tchildren: [\n\t\t\t\tbackgroundRowLabel,\n\t\t\t\tbackgroundInput\n\t\t\t],\n\t\t\tclass: 'ck-table-form__background-row'\n\t\t} ) );\n\n\t\t// Dimensions row and padding.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tchildren: [\n\t\t\t\t// Dimensions row.\n\t\t\t\tnew FormRowView( locale, {\n\t\t\t\t\tlabelView: dimensionsLabel,\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tdimensionsLabel,\n\t\t\t\t\t\twidthInput,\n\t\t\t\t\t\toperatorLabel,\n\t\t\t\t\t\theightInput\n\t\t\t\t\t],\n\t\t\t\t\tclass: 'ck-table-form__dimensions-row'\n\t\t\t\t} ),\n\t\t\t\t// Padding row.\n\t\t\t\tnew FormRowView( locale, {\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tthis.paddingInput\n\t\t\t\t\t],\n\t\t\t\t\tclass: 'ck-table-cell-properties-form__padding-row'\n\t\t\t\t} )\n\t\t\t]\n\t\t} ) );\n\n\t\t// Text alignment row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: alignmentLabel,\n\t\t\tchildren: [\n\t\t\t\talignmentLabel,\n\t\t\t\thorizontalAlignmentToolbar,\n\t\t\t\tverticalAlignmentToolbar\n\t\t\t],\n\t\t\tclass: 'ck-table-cell-properties-form__alignment-row'\n\t\t} ) );\n\n\t\t// Action row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tchildren: [\n\t\t\t\tthis.saveButtonView,\n\t\t\t\tthis.cancelButtonView\n\t\t\t],\n\t\t\tclass: 'ck-table-form__action-row'\n\t\t} ) );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'form',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form',\n\t\t\t\t\t'ck-table-form',\n\t\t\t\t\t'ck-table-cell-properties-form'\n\t\t\t\t],\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/90\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Enable the \"submit\" event for this view. It can be triggered by the #saveButtonView\n\t\t// which is of the \"submit\" DOM \"type\".\n\t\tsubmitHandler( {\n\t\t\tview: this\n\t\t} );\n\n\t\t[\n\t\t\tthis.borderStyleDropdown,\n\t\t\tthis.borderColorInput,\n\t\t\tthis.borderWidthInput,\n\t\t\tthis.backgroundInput,\n\t\t\tthis.widthInput,\n\t\t\tthis.heightInput,\n\t\t\tthis.paddingInput,\n\t\t\tthis.horizontalAlignmentToolbar,\n\t\t\tthis.verticalAlignmentToolbar,\n\t\t\tthis.saveButtonView,\n\t\t\tthis.cancelButtonView\n\t\t].forEach( view => {\n\t\t\t// Register the view as focusable.\n\t\t\tthis._focusables.add( view );\n\n\t\t\t// Register the view in the focus tracker.\n\t\t\tthis.focusTracker.add( view.element );\n\t\t} );\n\n\t\t// Mainly for closing using \"Esc\" and navigation using \"Tab\".\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * Focuses the fist focusable field in the form.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #borderStyleDropdown},\n\t * * {@link #borderWidthInput},\n\t * * {@link #borderColorInput}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createBorderFields() {\n\t\tconst colorInputCreator = getLabeledColorInputCreator( {\n\t\t\tcolorConfig: this.options.borderColors,\n\t\t\tcolumns: 5\n\t\t} );\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Group label ---------------------------------------------\n\n\t\tconst borderRowLabel = new LabelView( locale );\n\t\tborderRowLabel.text = t( 'Border' );\n\n\t\t// -- Style ---------------------------------------------------\n\n\t\tconst styleLabels = getBorderStyleLabels( t );\n\t\tconst borderStyleDropdown = new LabeledFieldView( locale, createLabeledDropdown );\n\t\tborderStyleDropdown.set( {\n\t\t\tlabel: t( 'Style' ),\n\t\t\tclass: 'ck-table-form__border-style'\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.buttonView.set( {\n\t\t\tisOn: false,\n\t\t\twithText: true,\n\t\t\ttooltip: t( 'Style' )\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.buttonView.bind( 'label' ).to( this, 'borderStyle', value => {\n\t\t\treturn styleLabels[ value ? value : 'none' ];\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.on( 'execute', evt => {\n\t\t\tthis.borderStyle = evt.source._borderStyleValue;\n\t\t} );\n\n\t\tborderStyleDropdown.bind( 'isEmpty' ).to( this, 'borderStyle', value => !value );\n\n\t\taddListToDropdown( borderStyleDropdown.fieldView, getBorderStyleDefinitions( this ) );\n\n\t\t// -- Width ---------------------------------------------------\n\n\t\tconst borderWidthInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\tborderWidthInput.set( {\n\t\t\tlabel: t( 'Width' ),\n\t\t\tclass: 'ck-table-form__border-width'\n\t\t} );\n\n\t\tborderWidthInput.fieldView.bind( 'value' ).to( this, 'borderWidth' );\n\t\tborderWidthInput.bind( 'isEnabled' ).to( this, 'borderStyle', isBorderStyleSet );\n\t\tborderWidthInput.fieldView.on( 'input', () => {\n\t\t\tthis.borderWidth = borderWidthInput.fieldView.element.value;\n\t\t} );\n\n\t\t// -- Color ---------------------------------------------------\n\n\t\tconst borderColorInput = new LabeledFieldView( locale, colorInputCreator );\n\n\t\tborderColorInput.set( {\n\t\t\tlabel: t( 'Color' ),\n\t\t\tclass: 'ck-table-form__border-color'\n\t\t} );\n\n\t\tborderColorInput.fieldView.bind( 'value' ).to( this, 'borderColor' );\n\t\tborderColorInput.bind( 'isEnabled' ).to( this, 'borderStyle', isBorderStyleSet );\n\n\t\tborderColorInput.fieldView.on( 'input', () => {\n\t\t\tthis.borderColor = borderColorInput.fieldView.value;\n\t\t} );\n\n\t\t// Reset the border color and width fields when style is \"none\".\n\t\t// https://github.com/ckeditor/ckeditor5/issues/6227\n\t\tthis.on( 'change:borderStyle', ( evt, name, value ) => {\n\t\t\tif ( !isBorderStyleSet( value ) ) {\n\t\t\t\tthis.borderColor = '';\n\t\t\t\tthis.borderWidth = '';\n\t\t\t}\n\t\t} );\n\n\t\treturn {\n\t\t\tborderRowLabel,\n\t\t\tborderStyleDropdown,\n\t\t\tborderColorInput,\n\t\t\tborderWidthInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #backgroundInput}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createBackgroundFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Group label ---------------------------------------------\n\n\t\tconst backgroundRowLabel = new LabelView( locale );\n\t\tbackgroundRowLabel.text = t( 'Background' );\n\n\t\t// -- Background color input -----------------------------------\n\n\t\tconst colorInputCreator = getLabeledColorInputCreator( {\n\t\t\tcolorConfig: this.options.backgroundColors,\n\t\t\tcolumns: 5\n\t\t} );\n\n\t\tconst backgroundInput = new LabeledFieldView( locale, colorInputCreator );\n\n\t\tbackgroundInput.set( {\n\t\t\tlabel: t( 'Color' ),\n\t\t\tclass: 'ck-table-cell-properties-form__background'\n\t\t} );\n\n\t\tbackgroundInput.fieldView.bind( 'value' ).to( this, 'backgroundColor' );\n\t\tbackgroundInput.fieldView.on( 'input', () => {\n\t\t\tthis.backgroundColor = backgroundInput.fieldView.value;\n\t\t} );\n\n\t\treturn {\n\t\t\tbackgroundRowLabel,\n\t\t\tbackgroundInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #widthInput}.\n\t * * {@link #heightInput}.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView}\n\t */\n\t_createDimensionFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Label ---------------------------------------------------\n\n\t\tconst dimensionsLabel = new LabelView( locale );\n\t\tdimensionsLabel.text = t( 'Dimensions' );\n\n\t\t// -- Width ---------------------------------------------------\n\n\t\tconst widthInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\twidthInput.set( {\n\t\t\tlabel: t( 'Width' ),\n\t\t\tclass: 'ck-table-form__dimensions-row__width'\n\t\t} );\n\n\t\twidthInput.fieldView.bind( 'value' ).to( this, 'width' );\n\t\twidthInput.fieldView.on( 'input', () => {\n\t\t\tthis.width = widthInput.fieldView.element.value;\n\t\t} );\n\n\t\t// -- Operator ---------------------------------------------------\n\n\t\tconst operatorLabel = new View( locale );\n\t\toperatorLabel.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-table-form__dimension-operator'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{ text: '×' }\n\t\t\t]\n\t\t} );\n\n\t\t// -- Height ---------------------------------------------------\n\n\t\tconst heightInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\theightInput.set( {\n\t\t\tlabel: t( 'Height' ),\n\t\t\tclass: 'ck-table-form__dimensions-row__height'\n\t\t} );\n\n\t\theightInput.fieldView.bind( 'value' ).to( this, 'height' );\n\t\theightInput.fieldView.on( 'input', () => {\n\t\t\tthis.height = heightInput.fieldView.element.value;\n\t\t} );\n\n\t\treturn {\n\t\t\tdimensionsLabel,\n\t\t\twidthInput,\n\t\t\toperatorLabel,\n\t\t\theightInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #paddingInput}.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView}\n\t */\n\t_createPaddingField() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst paddingInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\tpaddingInput.set( {\n\t\t\tlabel: t( 'Padding' ),\n\t\t\tclass: 'ck-table-cell-properties-form__padding'\n\t\t} );\n\n\t\tpaddingInput.fieldView.bind( 'value' ).to( this, 'padding' );\n\t\tpaddingInput.fieldView.on( 'input', () => {\n\t\t\tthis.padding = paddingInput.fieldView.element.value;\n\t\t} );\n\n\t\treturn paddingInput;\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #horizontalAlignmentToolbar},\n\t * * {@link #verticalAlignmentToolbar}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createAlignmentFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst alignmentLabel = new LabelView( locale );\n\n\t\talignmentLabel.text = t( 'Table cell text alignment' );\n\n\t\t// -- Horizontal ---------------------------------------------------\n\n\t\tconst horizontalAlignmentToolbar = new ToolbarView( locale );\n\t\tconst isContentRTL = this.locale.contentLanguageDirection === 'rtl';\n\n\t\thorizontalAlignmentToolbar.set( {\n\t\t\tisCompact: true,\n\t\t\tariaLabel: t( 'Horizontal text alignment toolbar' )\n\t\t} );\n\n\t\tfillToolbar( {\n\t\t\tview: this,\n\t\t\ticons: ALIGNMENT_ICONS,\n\t\t\ttoolbar: horizontalAlignmentToolbar,\n\t\t\tlabels: this._horizontalAlignmentLabels,\n\t\t\tpropertyName: 'horizontalAlignment',\n\t\t\tnameToValue: name => {\n\t\t\t\treturn name === ( isContentRTL ? 'right' : 'left' ) ? '' : name;\n\t\t\t}\n\t\t} );\n\n\t\t// -- Vertical -----------------------------------------------------\n\n\t\tconst verticalAlignmentToolbar = new ToolbarView( locale );\n\n\t\tverticalAlignmentToolbar.set( {\n\t\t\tisCompact: true,\n\t\t\tariaLabel: t( 'Vertical text alignment toolbar' )\n\t\t} );\n\n\t\tfillToolbar( {\n\t\t\tview: this,\n\t\t\ticons: ALIGNMENT_ICONS,\n\t\t\ttoolbar: verticalAlignmentToolbar,\n\t\t\tlabels: this._verticalAlignmentLabels,\n\t\t\tpropertyName: 'verticalAlignment',\n\t\t\tnameToValue: name => {\n\t\t\t\treturn name === 'middle' ? '' : name;\n\t\t\t}\n\t\t} );\n\n\t\treturn {\n\t\t\thorizontalAlignmentToolbar,\n\t\t\tverticalAlignmentToolbar,\n\t\t\talignmentLabel\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form controls:\n\t *\n\t * * {@link #saveButtonView},\n\t * * {@link #cancelButtonView}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createActionButtons() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\t\tconst saveButtonView = new ButtonView( locale );\n\t\tconst cancelButtonView = new ButtonView( locale );\n\t\tconst fieldsThatShouldValidateToSave = [\n\t\t\tthis.borderWidthInput,\n\t\t\tthis.borderColorInput,\n\t\t\tthis.backgroundInput,\n\t\t\tthis.paddingInput\n\t\t];\n\n\t\tsaveButtonView.set( {\n\t\t\tlabel: t( 'Save' ),\n\t\t\ticon: checkIcon,\n\t\t\tclass: 'ck-button-save',\n\t\t\ttype: 'submit',\n\t\t\twithText: true\n\t\t} );\n\n\t\tsaveButtonView.bind( 'isEnabled' ).toMany( fieldsThatShouldValidateToSave, 'errorText', ( ...errorTexts ) => {\n\t\t\treturn errorTexts.every( errorText => !errorText );\n\t\t} );\n\n\t\tcancelButtonView.set( {\n\t\t\tlabel: t( 'Cancel' ),\n\t\t\ticon: cancelIcon,\n\t\t\tclass: 'ck-button-cancel',\n\t\t\ttype: 'cancel',\n\t\t\twithText: true\n\t\t} );\n\n\t\tcancelButtonView.delegate( 'execute' ).to( this, 'cancel' );\n\n\t\treturn {\n\t\t\tsaveButtonView, cancelButtonView\n\t\t};\n\t}\n\n\t/**\n\t * Provides localized labels for {@link #horizontalAlignmentToolbar} buttons.\n\t *\n\t * @private\n\t * @type {Object.<String,String>}\n\t */\n\tget _horizontalAlignmentLabels() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst left = t( 'Align cell text to the left' );\n\t\tconst center = t( 'Align cell text to the center' );\n\t\tconst right = t( 'Align cell text to the right' );\n\t\tconst justify = t( 'Justify cell text' );\n\n\t\t// Returns object with a proper order of labels.\n\t\tif ( locale.uiLanguageDirection === 'rtl' ) {\n\t\t\treturn { right, center, left, justify };\n\t\t} else {\n\t\t\treturn { left, center, right, justify };\n\t\t}\n\t}\n\n\t/**\n\t * Provides localized labels for {@link #verticalAlignmentToolbar} buttons.\n\t *\n\t * @private\n\t * @type {Object.<String,String>}\n\t */\n\tget _verticalAlignmentLabels() {\n\t\tconst t = this.t;\n\n\t\treturn {\n\t\t\ttop: t( 'Align cell text to the top' ),\n\t\t\tmiddle: t( 'Align cell text to the middle' ),\n\t\t\tbottom: t( 'Align cell text to the bottom' )\n\t\t};\n\t}\n}\n\nfunction isBorderStyleSet( value ) {\n\treturn !!value;\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm2.286 4c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M18 3.75a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 8a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 4a.75.75 0 0 1-.75.75H7.321a.75.75 0 1 1 0-1.5h9.929a.75.75 0 0 1 .75.75zm0-8a.75.75 0 0 1-.75.75H7.321a.75.75 0 1 1 0-1.5h9.929a.75.75 0 0 1 .75.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M10.261 7.062l2.88 1.663a.75.75 0 0 1-.75 1.3L10.5 8.933v7.317a.75.75 0 1 1-1.5 0V8.932l-1.89 1.093a.75.75 0 0 1-.75-1.3l2.879-1.663a.752.752 0 0 1 .511-.187.752.752 0 0 1 .511.187zM15.25 4a.75.75 0 1 1 0 1.5H4.75a.75.75 0 0 1 0-1.5h10.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M9.75 11.875a.752.752 0 0 1 .508.184l2.883 1.666a.75.75 0 0 1-.659 1.344l-.091-.044-1.892-1.093.001 4.318a.75.75 0 1 1-1.5 0v-4.317l-1.89 1.092a.75.75 0 0 1-.75-1.3l2.879-1.663a.752.752 0 0 1 .51-.187zM15.25 9a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM9.75.375a.75.75 0 0 1 .75.75v4.318l1.89-1.093.092-.045a.75.75 0 0 1 .659 1.344l-2.883 1.667a.752.752 0 0 1-.508.184.752.752 0 0 1-.511-.187L6.359 5.65a.75.75 0 0 1 .75-1.299L9 5.442V1.125a.75.75 0 0 1 .75-.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M9.239 13.938l-2.88-1.663a.75.75 0 0 1 .75-1.3L9 12.067V4.75a.75.75 0 1 1 1.5 0v7.318l1.89-1.093a.75.75 0 0 1 .75 1.3l-2.879 1.663a.752.752 0 0 1-.511.187.752.752 0 0 1-.511-.187zM4.25 17a.75.75 0 1 1 0-1.5h10.5a.75.75 0 0 1 0 1.5H4.25z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/tablecellpropertiesui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport clickOutsideHandler from '@ckeditor/ckeditor5-ui/src/bindings/clickoutsidehandler';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\nimport TableCellPropertiesView from './ui/tablecellpropertiesview';\nimport tableCellProperties from './../../theme/icons/table-cell-properties.svg';\nimport {\n\tcolorFieldValidator,\n\tgetLocalizedColorErrorText,\n\tgetLocalizedLengthErrorText,\n\tdefaultColors,\n\tlengthFieldValidator,\n\tlineWidthFieldValidator\n} from '../utils/ui/table-properties';\nimport {\n\tgetLocalizedColorOptions,\n\tnormalizeColorOptions\n} from '@ckeditor/ckeditor5-ui/src/colorgrid/utils';\nimport { debounce } from 'lodash-es';\nimport { getTableWidgetAncestor } from '../utils/ui/widget';\nimport { getBalloonCellPositionData, repositionContextualBalloon } from '../utils/ui/contextualballoon';\n\nconst ERROR_TEXT_TIMEOUT = 500;\n\n// Map of view properties and related commands.\nconst propertyToCommandMap = {\n\tborderStyle: 'tableCellBorderStyle',\n\tborderColor: 'tableCellBorderColor',\n\tborderWidth: 'tableCellBorderWidth',\n\twidth: 'tableCellWidth',\n\theight: 'tableCellHeight',\n\tpadding: 'tableCellPadding',\n\tbackgroundColor: 'tableCellBackgroundColor',\n\thorizontalAlignment: 'tableCellHorizontalAlignment',\n\tverticalAlignment: 'tableCellVerticalAlignment'\n};\n\n/**\n * The table cell properties UI plugin. It introduces the `'tableCellProperties'` button\n * that opens a form allowing to specify the visual styling of a table cell.\n *\n * It uses the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon plugin}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableCellPropertiesUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableCellPropertiesUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'table.tableCellProperties', {\n\t\t\tborderColors: defaultColors,\n\t\t\tbackgroundColors: defaultColors\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t/**\n\t\t * The cell properties form view displayed inside the balloon.\n\t\t *\n\t\t * @member {module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView}\n\t\t */\n\t\tthis.view = this._createPropertiesView();\n\n\t\t/**\n\t\t * The batch used to undo all changes made by the form (which are live, as the user types)\n\t\t * when \"Cancel\" was pressed. Each time the view is shown, a new batch is created.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/model/batch~Batch}\n\t\t */\n\t\tthis._undoStepBatch = null;\n\n\t\teditor.ui.componentFactory.add( 'tableCellProperties', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Cell properties' ),\n\t\t\t\ticon: tableCellProperties,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tthis.listenTo( view, 'execute', () => this._showView() );\n\n\t\t\tconst commands = Object.values( propertyToCommandMap )\n\t\t\t\t.map( commandName => editor.commands.get( commandName ) );\n\n\t\t\tview.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => (\n\t\t\t\tareEnabled.some( isCommandEnabled => isCommandEnabled )\n\t\t\t) );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1341.\n\t\tthis.view.destroy();\n\t}\n\n\t/**\n\t * Creates the {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView} instance.\n\t *\n\t * @private\n\t * @returns {module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView} The cell\n\t * properties form view instance.\n\t */\n\t_createPropertiesView() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\t\tconst config = editor.config.get( 'table.tableCellProperties' );\n\t\tconst borderColorsConfig = normalizeColorOptions( config.borderColors );\n\t\tconst localizedBorderColors = getLocalizedColorOptions( editor.locale, borderColorsConfig );\n\t\tconst backgroundColorsConfig = normalizeColorOptions( config.backgroundColors );\n\t\tconst localizedBackgroundColors = getLocalizedColorOptions( editor.locale, backgroundColorsConfig );\n\t\tconst view = new TableCellPropertiesView( editor.locale, {\n\t\t\tborderColors: localizedBorderColors,\n\t\t\tbackgroundColors: localizedBackgroundColors\n\t\t} );\n\t\tconst t = editor.t;\n\n\t\t// Render the view so its #element is available for the clickOutsideHandler.\n\t\tview.render();\n\n\t\tthis.listenTo( view, 'submit', () => {\n\t\t\tthis._hideView();\n\t\t} );\n\n\t\tthis.listenTo( view, 'cancel', () => {\n\t\t\t// https://github.com/ckeditor/ckeditor5/issues/6180\n\t\t\tif ( this._undoStepBatch.operations.length ) {\n\t\t\t\teditor.execute( 'undo', this._undoStepBatch );\n\t\t\t}\n\n\t\t\tthis._hideView();\n\t\t} );\n\n\t\t// Close the balloon on Esc key press.\n\t\tview.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._hideView();\n\t\t\tcancel();\n\t\t} );\n\n\t\t// Reposition the balloon or hide the form if a table cell is no longer selected.\n\t\tthis.listenTo( editor.ui, 'update', () => {\n\t\t\tif ( !getTableWidgetAncestor( viewDocument.selection ) ) {\n\t\t\t\tthis._hideView();\n\t\t\t} else if ( this._isViewVisible ) {\n\t\t\t\trepositionContextualBalloon( editor, 'cell' );\n\t\t\t}\n\t\t} );\n\n\t\t// Close on click outside of balloon panel element.\n\t\tclickOutsideHandler( {\n\t\t\temitter: view,\n\t\t\tactivator: () => this._isViewInBalloon,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideView()\n\t\t} );\n\n\t\tconst colorErrorText = getLocalizedColorErrorText( t );\n\t\tconst lengthErrorText = getLocalizedLengthErrorText( t );\n\n\t\t// Create the \"UI -> editor data\" binding.\n\t\t// These listeners update the editor data (via table commands) when any observable\n\t\t// property of the view has changed. They also validate the value and display errors in the UI\n\t\t// when necessary. This makes the view live, which means the changes are\n\t\t// visible in the editing as soon as the user types or changes fields' values.\n\t\tview.on( 'change:borderStyle', this._getPropertyChangeCallback( 'tableCellBorderStyle' ) );\n\n\t\tview.on( 'change:borderColor', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.borderColorInput,\n\t\t\tcommandName: 'tableCellBorderColor',\n\t\t\terrorText: colorErrorText,\n\t\t\tvalidator: colorFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:borderWidth', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.borderWidthInput,\n\t\t\tcommandName: 'tableCellBorderWidth',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lineWidthFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:padding', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.paddingInput,\n\t\t\tcommandName: 'tableCellPadding',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:width', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.widthInput,\n\t\t\tcommandName: 'tableCellWidth',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:height', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.heightInput,\n\t\t\tcommandName: 'tableCellHeight',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:backgroundColor', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.backgroundInput,\n\t\t\tcommandName: 'tableCellBackgroundColor',\n\t\t\terrorText: colorErrorText,\n\t\t\tvalidator: colorFieldValidator\n\t\t} ) );\n\n\t\tview.on( 'change:horizontalAlignment', this._getPropertyChangeCallback( 'tableCellHorizontalAlignment' ) );\n\t\tview.on( 'change:verticalAlignment', this._getPropertyChangeCallback( 'tableCellVerticalAlignment' ) );\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * In this method the \"editor data -> UI\" binding is happening.\n\t *\n\t * When executed, this method obtains selected cell property values from various table commands\n\t * and passes them to the {@link #view}.\n\t *\n\t * This way, the UI stays up–to–date with the editor data.\n\t *\n\t * @private\n\t */\n\t_fillViewFormFromCommandValues() {\n\t\tconst commands = this.editor.commands;\n\n\t\tObject.entries( propertyToCommandMap )\n\t\t\t.map( ( [ property, commandName ] ) => [ property, commands.get( commandName ).value || '' ] )\n\t\t\t.forEach( ( [ property, value ] ) => this.view.set( property, value ) );\n\t}\n\n\t/**\n\t * Shows the {@link #view} in the {@link #_balloon}.\n\t *\n\t * **Note**: Each time a view is shown, a new {@link #_undoStepBatch} is created. It contains\n\t * all changes made to the document when the view is visible, allowing a single undo step\n\t * for all of them.\n\t *\n\t * @protected\n\t */\n\t_showView() {\n\t\tconst editor = this.editor;\n\n\t\t// Update the view with the model values.\n\t\tthis._fillViewFormFromCommandValues();\n\n\t\tthis._balloon.add( {\n\t\t\tview: this.view,\n\t\t\tposition: getBalloonCellPositionData( editor )\n\t\t} );\n\n\t\t// Create a new batch. Clicking \"Cancel\" will undo this batch.\n\t\tthis._undoStepBatch = editor.model.createBatch();\n\n\t\t// Basic a11y.\n\t\tthis.view.focus();\n\t}\n\n\t/**\n\t * Removes the {@link #view} from the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_hideView() {\n\t\tif ( !this._isViewInBalloon ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\n\t\tthis.stopListening( editor.ui, 'update' );\n\n\t\t// Blur any input element before removing it from DOM to prevent issues in some browsers.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1501.\n\t\tthis.view.saveButtonView.focus();\n\n\t\tthis._balloon.remove( this.view );\n\n\t\t// Make sure the focus is not lost in the process by putting it directly\n\t\t// into the editing view.\n\t\tthis.editor.editing.view.focus();\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #view} is visible in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isViewVisible() {\n\t\treturn this._balloon.visibleView === this.view;\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #view} is in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isViewInBalloon() {\n\t\treturn this._balloon.hasView( this.view );\n\t}\n\n\t/**\n\t * Creates a callback that when executed upon the {@link #view view's} property change\n\t * executes a related editor command with the new property value.\n\t *\n\t * @private\n\t * @param {String} commandName\n\t * @returns {Function}\n\t */\n\t_getPropertyChangeCallback( commandName ) {\n\t\treturn ( evt, propertyName, newValue ) => {\n\t\t\tthis.editor.execute( commandName, {\n\t\t\t\tvalue: newValue,\n\t\t\t\tbatch: this._undoStepBatch\n\t\t\t} );\n\t\t};\n\t}\n\n\t/**\n\t * Creates a callback that when executed upon the {@link #view view's} property change:\n\t * * Executes a related editor command with the new property value if the value is valid,\n\t * * Or sets the error text next to the invalid field, if the value did not pass the validation.\n\t *\n\t * @private\n\t * @param {Object} options\n\t * @param {String} options.commandName\n\t * @param {module:ui/view~View} options.viewField\n\t * @param {Function} options.validator\n\t * @param {String} options.errorText\n\t * @returns {Function}\n\t */\n\t_getValidatedPropertyChangeCallback( { commandName, viewField, validator, errorText } ) {\n\t\tconst setErrorTextDebounced = debounce( () => {\n\t\t\tviewField.errorText = errorText;\n\t\t}, ERROR_TEXT_TIMEOUT );\n\n\t\treturn ( evt, propertyName, newValue ) => {\n\t\t\tsetErrorTextDebounced.cancel();\n\n\t\t\tif ( validator( newValue ) ) {\n\t\t\t\tthis.editor.execute( commandName, {\n\t\t\t\t\tvalue: newValue,\n\t\t\t\t\tbatch: this._undoStepBatch\n\t\t\t\t} );\n\n\t\t\t\tviewField.errorText = null;\n\t\t\t} else {\n\t\t\t\tsetErrorTextDebounced();\n\t\t\t}\n\t\t};\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M11.105 18l-.17 1H2.5A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1h15A1.5 1.5 0 0 1 19 2.5v9.975l-.85-.124-.15-.302V8h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5h3.105zM2 12h5V8H2v4zm10-4H8v4h4V8zM2 2v5h5V2H2zm0 16h5v-5H2v5zM13 7h5V2h-5v5zM8 2v5h4V2H8z\\\" opacity=\\\".6\\\"/><path d=\\\"M15.5 11.5l1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM13 6a1 1 0 0 1 1 1v3.172a2.047 2.047 0 0 0-.293.443l-.858 1.736-1.916.28-.151.027A1.976 1.976 0 0 0 9.315 14H7a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h6zm-1 2H8v4h4V8z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/styles/padding\n */\n\nimport { getPositionShorthandNormalizer, getBoxSidesValueReducer } from './utils';\n\n/**\n * Adds a margin CSS styles processing rules.\n *\n *\t\teditor.data.addStyleProcessorRules( addPaddingRules );\n *\n * The normalized value is stored as:\n *\n *\t\tconst styles = {\n *\t\t\tpadding: {\n *\t\t\t\ttop,\n *\t\t\t\tright,\n *\t\t\t\tbottom,\n *\t\t\t\tleft\n *\t\t\t}\n *\t\t};\n *\n * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n */\nexport function addPaddingRules( stylesProcessor ) {\n\tstylesProcessor.setNormalizer( 'padding', getPositionShorthandNormalizer( 'padding' ) );\n\tstylesProcessor.setNormalizer( 'padding-top', value => ( { path: 'padding.top', value } ) );\n\tstylesProcessor.setNormalizer( 'padding-right', value => ( { path: 'padding.right', value } ) );\n\tstylesProcessor.setNormalizer( 'padding-bottom', value => ( { path: 'padding.bottom', value } ) );\n\tstylesProcessor.setNormalizer( 'padding-left', value => ( { path: 'padding.left', value } ) );\n\n\tstylesProcessor.setReducer( 'padding', getBoxSidesValueReducer( 'padding' ) );\n\n\tstylesProcessor.setStyleRelation( 'padding', [ 'padding-top', 'padding-right', 'padding-bottom', 'padding-left' ] );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellpropertycommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getSelectionAffectedTableCells } from '../../utils/selection';\n\n/**\n * The table cell attribute command.\n *\n * The command is a base command for other table cell property commands.\n *\n * @extends module:core/command~Command\n */\nexport default class TableCellPropertyCommand extends Command {\n\t/**\n\t * Creates a new `TableCellPropertyCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} attributeName Table cell attribute name.\n\t */\n\tconstructor( editor, attributeName ) {\n\t\tsuper( editor );\n\n\t\tthis.attributeName = attributeName;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst selectedTableCells = getSelectionAffectedTableCells( editor.model.document.selection );\n\n\t\tthis.isEnabled = !!selectedTableCells.length;\n\t\tthis.value = this._getSingleValue( selectedTableCells );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} [options]\n\t * @param {*} [options.value] If set, the command will set the attribute on selected table cells.\n\t * If it is not set, the command will remove the attribute from the selected table cells.\n\t * @param {module:engine/model/batch~Batch} [options.batch] Pass the model batch instance to the command to aggregate changes,\n\t * for example to allow a single undo step for multiple executions.\n\t */\n\texecute( options = {} ) {\n\t\tconst { value, batch } = options;\n\t\tconst model = this.editor.model;\n\t\tconst tableCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst valueToSet = this._getValueToSet( value );\n\n\t\tmodel.enqueueChange( batch || 'default', writer => {\n\t\t\tif ( valueToSet ) {\n\t\t\t\ttableCells.forEach( tableCell => writer.setAttribute( this.attributeName, valueToSet, tableCell ) );\n\t\t\t} else {\n\t\t\t\ttableCells.forEach( tableCell => writer.removeAttribute( this.attributeName, tableCell ) );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the attribute value for a table cell.\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @returns {String|undefined}\n\t * @private\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn tableCell.getAttribute( this.attributeName );\n\t}\n\n\t/**\n\t * Returns the proper model value. It can be used to add a default unit to numeric values.\n\t *\n\t * @private\n\t * @param {*} value\n\t * @returns {*}\n\t */\n\t_getValueToSet( value ) {\n\t\treturn value;\n\t}\n\n\t/**\n\t * Returns a single value for all selected table cells. If the value is the same for all cells,\n\t * it will be returned (`undefined` otherwise).\n\t *\n\t * @param {Array.<module:engine/model/element~Element>} tableCell\n\t * @returns {*}\n\t * @private\n\t */\n\t_getSingleValue( tableCell ) {\n\t\tconst firstCellValue = this._getAttribute( tableCell[ 0 ] );\n\n\t\tconst everyCellHasAttribute = tableCell.every( tableCell => this._getAttribute( tableCell ) === firstCellValue );\n\n\t\treturn everyCellHasAttribute ? firstCellValue : undefined;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellpaddingcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { addDefaultUnitToNumericValue, getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table cell padding command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellPadding'` editor command.\n *\n * To change the padding of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellPadding', {\n *\t\t\tvalue: '5px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableCellPadding', {\n *\t\t\tvalue: '5'\n *\t\t} );\n *\n * will set the `padding` attribute to `'5px'` in the model.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellPaddingCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellPaddingCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'padding' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn getSingleValue( tableCell.getAttribute( this.attributeName ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\treturn addDefaultUnitToNumericValue( value, 'px' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellwidthcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { addDefaultUnitToNumericValue } from '../../utils/table-properties';\n\n/**\n * The table cell width command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellWidth'` editor command.\n *\n * To change the width of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellWidth', {\n *\t\t\tvalue: '50px'\n *\t\t} );\n *\n * **Note**: This command adds a default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableCellWidth', {\n *\t\t\tvalue: '50'\n *\t\t} );\n *\n * will set the `width` attribute to `'50px'` in the model.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellWidthCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellWidthCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'width' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\treturn addDefaultUnitToNumericValue( value, 'px' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellheightcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { addDefaultUnitToNumericValue } from '../../utils/table-properties';\n\n/**\n * The table cell height command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellHeight'` editor command.\n *\n * To change the height of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellHeight', {\n *\t\t\tvalue: '50px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableCellHeight', {\n *\t\t\tvalue: '50'\n *\t\t} );\n *\n * will set the `height` attribute to `'50px'` in the model.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellHeightCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellHeightCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'height' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\treturn addDefaultUnitToNumericValue( value, 'px' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellbackgroundcolorcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\n\n/**\n * The table cell background color command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellBackgroundColor'` editor command.\n *\n * To change the background color of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellBackgroundColor', {\n *\t\t\tvalue: '#f00'\n *\t\t} );\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellBackgroundColorCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellBackgroundColorCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'backgroundColor' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellverticalalignmentcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\n\n/**\n * The table cell vertical alignment command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellVerticalAlignment'` editor command.\n *\n * To change the vertical text alignment of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellVerticalAlignment', {\n *\t\t\tvalue: 'top'\n *\t\t} );\n *\n * The following values, corresponding to the\n * [`vertical-align` CSS attribute](https://developer.mozilla.org/en-US/docs/Web/CSS/vertical-align), are allowed:\n *\n * * `'top'`\n * * `'bottom'`\n *\n * The `'middle'` value is the default one so there is no need to set it.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellVerticalAlignmentCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellVerticalAlignmentCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'verticalAlignment' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellhorizontalalignmentcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\n\n/**\n * The table cell horizontal alignment command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellHorizontalAlignment'` editor command.\n *\n * To change the horizontal text alignment of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellHorizontalAlignment', {\n *\t\t\tvalue: 'right'\n *\t\t} );\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellHorizontalAlignmentCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellHorizontalAlignmentCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'horizontalAlignment' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellborderstylecommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table cell border style command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellBorderStyle'` editor command.\n *\n * To change the border style of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellBorderStyle', {\n *\t\t\tvalue: 'dashed'\n *\t\t} );\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellBorderStyleCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellBorderStyleCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'borderStyle' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn getSingleValue( tableCell.getAttribute( this.attributeName ) );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellbordercolorcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table cell border color command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellBorderColor'` editor command.\n *\n * To change the border color of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellBorderColor', {\n *\t\t\tvalue: '#f00'\n *\t\t} );\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellBorderColorCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellBorderColorCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'borderColor' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn getSingleValue( tableCell.getAttribute( this.attributeName ) );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellborderwidthcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { addDefaultUnitToNumericValue, getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table cell border width command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellBorderWidth'` editor command.\n *\n * To change the border width of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellBorderWidth', {\n *\t\t\tvalue: '5px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableCellBorderWidth', {\n *\t\t\tvalue: '5'\n *\t\t} );\n *\n * will set the `borderWidth` attribute to `'5px'` in the model.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellBorderWidthCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellBorderWidthCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, 'borderWidth' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn getSingleValue( tableCell.getAttribute( this.attributeName ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\treturn addDefaultUnitToNumericValue( value, 'px' );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/tablecellpropertiesediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport { addBorderRules } from '@ckeditor/ckeditor5-engine/src/view/styles/border';\nimport { addPaddingRules } from '@ckeditor/ckeditor5-engine/src/view/styles/padding';\nimport { addBackgroundRules } from '@ckeditor/ckeditor5-engine/src/view/styles/background';\n\nimport { downcastAttributeToStyle, upcastStyleToAttribute, upcastBorderStyles } from './../converters/tableproperties';\nimport TableEditing from './../tableediting';\nimport TableCellPaddingCommand from './commands/tablecellpaddingcommand';\nimport TableCellWidthCommand from './commands/tablecellwidthcommand';\nimport TableCellHeightCommand from './commands/tablecellheightcommand';\nimport TableCellBackgroundColorCommand from './commands/tablecellbackgroundcolorcommand';\nimport TableCellVerticalAlignmentCommand from './commands/tablecellverticalalignmentcommand';\nimport TableCellHorizontalAlignmentCommand from './commands/tablecellhorizontalalignmentcommand';\nimport TableCellBorderStyleCommand from './commands/tablecellborderstylecommand';\nimport TableCellBorderColorCommand from './commands/tablecellbordercolorcommand';\nimport TableCellBorderWidthCommand from './commands/tablecellborderwidthcommand';\n\nconst VALIGN_VALUES_REG_EXP = /^(top|bottom)$/;\n\n/**\n * The table cell properties editing feature.\n *\n * Introduces table cell model attributes and their conversion:\n *\n * - border: `borderStyle`, `borderColor` and `borderWidth`\n * - background color: `backgroundColor`\n * - cell padding: `padding`\n * - horizontal and vertical alignment: `horizontalAlignment`, `verticalAlignment`\n * - cell width and height: `width`, `height`\n *\n * It also registers commands used to manipulate the above attributes:\n *\n * - border: the `'tableCellBorderStyle'`, `'tableCellBorderColor'` and `'tableCellBorderWidth'` commands\n * - background color: the `'tableCellBackgroundColor'` command\n * - cell padding: the `'tableCellPadding'` command\n * - horizontal and vertical alignment: the `'tableCellHorizontalAlignment'` and `'tableCellVerticalAlignment'` commands\n * - width and height: the `'tableCellWidth'` and `'tableCellHeight'` commands\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableCellPropertiesEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableCellPropertiesEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\t\tconst locale = editor.locale;\n\n\t\teditor.data.addStyleProcessorRules( addBorderRules );\n\t\tenableBorderProperties( schema, conversion );\n\t\teditor.commands.add( 'tableCellBorderStyle', new TableCellBorderStyleCommand( editor ) );\n\t\teditor.commands.add( 'tableCellBorderColor', new TableCellBorderColorCommand( editor ) );\n\t\teditor.commands.add( 'tableCellBorderWidth', new TableCellBorderWidthCommand( editor ) );\n\n\t\tenableHorizontalAlignmentProperty( schema, conversion, locale );\n\t\teditor.commands.add( 'tableCellHorizontalAlignment', new TableCellHorizontalAlignmentCommand( editor ) );\n\n\t\tenableProperty( schema, conversion, 'width', 'width' );\n\t\teditor.commands.add( 'tableCellWidth', new TableCellWidthCommand( editor ) );\n\n\t\tenableProperty( schema, conversion, 'height', 'height' );\n\t\teditor.commands.add( 'tableCellHeight', new TableCellHeightCommand( editor ) );\n\n\t\teditor.data.addStyleProcessorRules( addPaddingRules );\n\t\tenableProperty( schema, conversion, 'padding', 'padding' );\n\t\teditor.commands.add( 'tableCellPadding', new TableCellPaddingCommand( editor ) );\n\n\t\teditor.data.addStyleProcessorRules( addBackgroundRules );\n\t\tenableProperty( schema, conversion, 'backgroundColor', 'background-color' );\n\t\teditor.commands.add( 'tableCellBackgroundColor', new TableCellBackgroundColorCommand( editor ) );\n\n\t\tenableVerticalAlignmentProperty( schema, conversion );\n\t\teditor.commands.add( 'tableCellVerticalAlignment', new TableCellVerticalAlignmentCommand( editor ) );\n\t}\n}\n\n// Enables the `'borderStyle'`, `'borderColor'` and `'borderWidth'` attributes for table cells.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\nfunction enableBorderProperties( schema, conversion ) {\n\tschema.extend( 'tableCell', {\n\t\tallowAttributes: [ 'borderWidth', 'borderColor', 'borderStyle' ]\n\t} );\n\tupcastBorderStyles( conversion, 'td' );\n\tupcastBorderStyles( conversion, 'th' );\n\tdowncastAttributeToStyle( conversion, 'tableCell', 'borderStyle', 'border-style' );\n\tdowncastAttributeToStyle( conversion, 'tableCell', 'borderColor', 'border-color' );\n\tdowncastAttributeToStyle( conversion, 'tableCell', 'borderWidth', 'border-width' );\n}\n\n// Enables the `'horizontalAlignment'` attribute for table cells.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\nfunction enableHorizontalAlignmentProperty( schema, conversion, locale ) {\n\tschema.extend( 'tableCell', {\n\t\tallowAttributes: [ 'horizontalAlignment' ]\n\t} );\n\n\tconst options = [ locale.contentLanguageDirection == 'rtl' ? 'left' : 'right', 'center', 'justify' ];\n\n\tconversion.attributeToAttribute( {\n\t\tmodel: {\n\t\t\tname: 'tableCell',\n\t\t\tkey: 'horizontalAlignment',\n\t\t\tvalues: options\n\t\t},\n\t\tview: options.reduce( ( result, option ) => ( {\n\t\t\t...result,\n\t\t\t[ option ]: {\n\t\t\t\tkey: 'style',\n\t\t\t\tvalue: {\n\t\t\t\t\t'text-align': option\n\t\t\t\t}\n\t\t\t}\n\t\t} ), {} )\n\t} );\n}\n\n// Enables the `'verticalAlignment'` attribute for table cells.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\nfunction enableVerticalAlignmentProperty( schema, conversion ) {\n\tschema.extend( 'tableCell', {\n\t\tallowAttributes: [ 'verticalAlignment' ]\n\t} );\n\n\tconversion.attributeToAttribute( {\n\t\tmodel: {\n\t\t\tname: 'tableCell',\n\t\t\tkey: 'verticalAlignment',\n\t\t\tvalues: [ 'top', 'bottom' ]\n\t\t},\n\t\tview: {\n\t\t\ttop: {\n\t\t\t\tkey: 'style',\n\t\t\t\tvalue: {\n\t\t\t\t\t'vertical-align': 'top'\n\t\t\t\t}\n\t\t\t},\n\t\t\tbottom: {\n\t\t\t\tkey: 'style',\n\t\t\t\tvalue: {\n\t\t\t\t\t'vertical-align': 'bottom'\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t} );\n\n\tconversion.for( 'upcast' )\n\t\t// Support for backwards compatibility and pasting from other sources.\n\t\t.attributeToAttribute( {\n\t\t\tview: {\n\t\t\t\tattributes: {\n\t\t\t\t\tvalign: VALIGN_VALUES_REG_EXP\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tname: 'tableCell',\n\t\t\t\tkey: 'verticalAlignment',\n\t\t\t\tvalue: viewElement => viewElement.getAttribute( 'valign' )\n\t\t\t}\n\t\t} );\n}\n\n// Enables conversion for an attribute for simple view-model mappings.\n//\n// @param {String} modelAttribute\n// @param {String} styleName\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\nfunction enableProperty( schema, conversion, modelAttribute, styleName ) {\n\tschema.extend( 'tableCell', {\n\t\tallowAttributes: [ modelAttribute ]\n\t} );\n\tupcastStyleToAttribute( conversion, 'tableCell', modelAttribute, styleName );\n\tdowncastAttributeToStyle( conversion, 'tableCell', modelAttribute, styleName );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/list\n */\n\nimport Matcher from '@ckeditor/ckeditor5-engine/src/view/matcher';\nimport UpcastWriter from '@ckeditor/ckeditor5-engine/src/view/upcastwriter';\n\n/**\n * Transforms Word specific list-like elements to the semantic HTML lists.\n *\n * Lists in Word are represented by block elements with special attributes like:\n *\n *\t\t<p class=MsoListParagraphCxSpFirst style='mso-list:l1 level1 lfo1'>...</p> // Paragraph based list.\n *\t\t<h1 style='mso-list:l0 level1 lfo1'>...</h1> // Heading 1 based list.\n *\n * @param {module:engine/view/documentfragment~DocumentFragment} documentFragment The view structure to be transformed.\n * @param {String} stylesString Styles from which list-like elements styling will be extracted.\n */\nexport function transformListItemLikeElementsIntoLists( documentFragment, stylesString ) {\n\tif ( !documentFragment.childCount ) {\n\t\treturn;\n\t}\n\n\tconst writer = new UpcastWriter( documentFragment.document );\n\tconst itemLikeElements = findAllItemLikeElements( documentFragment, writer );\n\n\tif ( !itemLikeElements.length ) {\n\t\treturn;\n\t}\n\n\tlet currentList = null;\n\tlet currentIndentation = 1;\n\n\titemLikeElements.forEach( ( itemLikeElement, i ) => {\n\t\tconst isDifferentList = isNewListNeeded( itemLikeElements[ i - 1 ], itemLikeElement );\n\t\tconst previousItemLikeElement = isDifferentList ? null : itemLikeElements[ i - 1 ];\n\t\tconst indentationDifference = getIndentationDifference( previousItemLikeElement, itemLikeElement );\n\n\t\tif ( isDifferentList ) {\n\t\t\tcurrentList = null;\n\t\t\tcurrentIndentation = 1;\n\t\t}\n\n\t\tif ( !currentList || indentationDifference !== 0 ) {\n\t\t\tconst listStyle = detectListStyle( itemLikeElement, stylesString );\n\n\t\t\tif ( !currentList ) {\n\t\t\t\tcurrentList = insertNewEmptyList( listStyle, itemLikeElement.element, writer );\n\t\t\t} else if ( itemLikeElement.indent > currentIndentation ) {\n\t\t\t\tconst lastListItem = currentList.getChild( currentList.childCount - 1 );\n\t\t\t\tconst lastListItemChild = lastListItem.getChild( lastListItem.childCount - 1 );\n\n\t\t\t\tcurrentList = insertNewEmptyList( listStyle, lastListItemChild, writer );\n\t\t\t\tcurrentIndentation += 1;\n\t\t\t} else if ( itemLikeElement.indent < currentIndentation ) {\n\t\t\t\tconst differentIndentation = currentIndentation - itemLikeElement.indent;\n\n\t\t\t\tcurrentList = findParentListAtLevel( currentList, differentIndentation );\n\t\t\t\tcurrentIndentation = parseInt( itemLikeElement.indent );\n\t\t\t}\n\n\t\t\tif ( itemLikeElement.indent <= currentIndentation ) {\n\t\t\t\tif ( !currentList.is( 'element', listStyle.type ) ) {\n\t\t\t\t\tcurrentList = writer.rename( listStyle.type, currentList );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tconst listItem = transformElementIntoListItem( itemLikeElement.element, writer );\n\n\t\twriter.appendChild( listItem, currentList );\n\t} );\n}\n\n/**\n * Removes paragraph wrapping content inside a list item.\n *\n * @param {module:engine/view/documentfragment~DocumentFragment} documentFragment\n * @param {module:engine/view/upcastwriter~UpcastWriter} writer\n */\nexport function unwrapParagraphInListItem( documentFragment, writer ) {\n\tfor ( const value of writer.createRangeIn( documentFragment ) ) {\n\t\tconst element = value.item;\n\n\t\tif ( element.is( 'element', 'li' ) ) {\n\t\t\t// Google Docs allows on single paragraph inside LI.\n\t\t\tconst firstChild = element.getChild( 0 );\n\n\t\t\tif ( firstChild && firstChild.is( 'element', 'p' ) ) {\n\t\t\t\twriter.unwrapElement( firstChild );\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Finds all list-like elements in a given document fragment.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment\n// in which to look for list-like nodes.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {Array.<Object>} Array of found list-like items. Each item is an object containing:\n//\n//\t\t* {module:engine/src/view/element~Element} element List-like element.\n//\t\t* {Number} id List item id parsed from `mso-list` style (see `getListItemData()` function).\n//\t\t* {Number} order List item creation order parsed from `mso-list` style (see `getListItemData()` function).\n//\t\t* {Number} indent List item indentation level parsed from `mso-list` style (see `getListItemData()` function).\nfunction findAllItemLikeElements( documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\t// Matcher for finding list-like elements.\n\tconst itemLikeElementsMatcher = new Matcher( {\n\t\tname: /^p|h\\d+$/,\n\t\tstyles: {\n\t\t\t'mso-list': /.*/\n\t\t}\n\t} );\n\n\tconst itemLikeElements = [];\n\n\tfor ( const value of range ) {\n\t\tif ( value.type === 'elementStart' && itemLikeElementsMatcher.match( value.item ) ) {\n\t\t\tconst itemData = getListItemData( value.item );\n\n\t\t\titemLikeElements.push( {\n\t\t\t\telement: value.item,\n\t\t\t\tid: itemData.id,\n\t\t\t\torder: itemData.order,\n\t\t\t\tindent: itemData.indent\n\t\t\t} );\n\t\t}\n\t}\n\n\treturn itemLikeElements;\n}\n\n// Extracts list item style from the provided CSS.\n//\n// List item style is extracted from the CSS stylesheet. Each list with its specific style attribute\n// value (`mso-list:l1 level1 lfo1`) has its dedicated properties in a CSS stylesheet defined with a selector like:\n//\n// \t\t@list l1:level1 { ... }\n//\n// It contains `mso-level-number-format` property which defines list numbering/bullet style. If this property\n// is not defined it means default `decimal` numbering.\n//\n// Here CSS string representation is used as `mso-level-number-format` property is an invalid CSS property\n// and will be removed during CSS parsing.\n//\n// @param {Object} listLikeItem List-like item for which list style will be searched for. Usually\n// a result of `findAllItemLikeElements()` function.\n// @param {String} stylesString CSS stylesheet.\n// @returns {Object} result\n// @returns {String} result.type List type, could be `ul` or `ol`.\n// @returns {String|null} result.style List style, for example: `decimal`, `lower-roman`, etc. It is extracted\n// directly from Word stylesheet and adjusted to represent proper values for the CSS `list-style-type` property.\n// If it cannot be adjusted, the `null` value is returned.\nfunction detectListStyle( listLikeItem, stylesString ) {\n\tconst listStyleRegexp = new RegExp( `@list l${ listLikeItem.id }:level${ listLikeItem.indent }\\\\s*({[^}]*)`, 'gi' );\n\tconst listStyleTypeRegex = /mso-level-number-format:([^;]*);/gi;\n\n\tconst listStyleMatch = listStyleRegexp.exec( stylesString );\n\n\tlet listStyleType = 'decimal'; // Decimal is default one.\n\tlet type = 'ol'; // <ol> is default list.\n\n\tif ( listStyleMatch && listStyleMatch[ 1 ] ) {\n\t\tconst listStyleTypeMatch = listStyleTypeRegex.exec( listStyleMatch[ 1 ] );\n\n\t\tif ( listStyleTypeMatch && listStyleTypeMatch[ 1 ] ) {\n\t\t\tlistStyleType = listStyleTypeMatch[ 1 ].trim();\n\t\t\ttype = listStyleType !== 'bullet' && listStyleType !== 'image' ? 'ol' : 'ul';\n\t\t}\n\n\t\t// Styles for the numbered lists are always defined in the Word CSS stylesheet.\n\t\t// Unordered lists MAY contain a value for the Word CSS definition `mso-level-text` but sometimes\n\t\t// this tag is missing. And because of that, we cannot depend on that. We need to predict the list style value\n\t\t// based on the list style marker element.\n\t\tif ( listStyleType === 'bullet' ) {\n\t\t\tconst bulletedStyle = findBulletedListStyle( listLikeItem.element );\n\n\t\t\tif ( bulletedStyle ) {\n\t\t\t\tlistStyleType = bulletedStyle;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn {\n\t\ttype,\n\t\tstyle: mapListStyleDefinition( listStyleType )\n\t};\n}\n\n// Tries to extract the `list-style-type` value based on the marker element for bulleted list.\n//\n// @param {module:engine/view/element~Element} element\n// @returns {module:engine/view/element~Element|null}\nfunction findBulletedListStyle( element ) {\n\tconst listMarkerElement = findListMarkerNode( element );\n\n\tif ( !listMarkerElement ) {\n\t\treturn null;\n\t}\n\n\tconst listMarker = listMarkerElement._data;\n\n\tif ( listMarker === 'o' ) {\n\t\treturn 'circle';\n\t} else if ( listMarker === '·' ) {\n\t\treturn 'disc';\n\t}\n\t// Word returns '§' instead of '■' for the square list style.\n\telse if ( listMarker === '§' ) {\n\t\treturn 'square';\n\t}\n\n\treturn null;\n}\n\n// Tries to find a text node that represents the marker element (list-style-type).\n//\n// @param {module:engine/view/element~Element} element\n// @returns {module:engine/view/text~Text|null}\nfunction findListMarkerNode( element ) {\n\t// If the first child is a text node, it is a value for the element.\n\tif ( element.getChild( 0 ).is( '$text' ) ) {\n\t\treturn null;\n\t}\n\n\tconst textNodeOrElement = element.getChild( 0 ).getChild( 0 );\n\n\tif ( textNodeOrElement.is( '$text' ) ) {\n\t\treturn textNodeOrElement;\n\t}\n\n\treturn textNodeOrElement.getChild( 0 );\n}\n\n// Parses the `list-style-type` value extracted directly from the Word CSS stylesheet and returns proper CSS definition.\n//\n// @param {String|null} value\n// @returns {String|null}\nfunction mapListStyleDefinition( value ) {\n\tswitch ( value ) {\n\t\tcase 'arabic-leading-zero':\n\t\t\treturn 'decimal-leading-zero';\n\t\tcase 'alpha-upper':\n\t\t\treturn 'upper-alpha';\n\t\tcase 'alpha-lower':\n\t\t\treturn 'lower-alpha';\n\t\tcase 'roman-upper':\n\t\t\treturn 'upper-roman';\n\t\tcase 'roman-lower':\n\t\t\treturn 'lower-roman';\n\t\tcase 'circle':\n\t\tcase 'disc':\n\t\tcase 'square':\n\t\t\treturn value;\n\t\tdefault:\n\t\t\treturn null;\n\t}\n}\n\n// Creates empty list of a given type and inserts it after a specified element.\n//\n// @param {Object} listStyle List style object which determines the type of newly created list.\n// Usually a result of `detectListStyle()` function.\n// @param {module:engine/view/element~Element} element Element after which list is inserted.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {module:engine/view/element~Element} Newly created list element.\n\nfunction insertNewEmptyList( listStyle, element, writer ) {\n\tconst parent = element.parent;\n\tconst list = writer.createElement( listStyle.type );\n\tconst position = parent.getChildIndex( element ) + 1;\n\n\twriter.insertChild( position, list, parent );\n\n\t// We do not support modifying the marker for a particular list item.\n\t// Set the value for the `list-style-type` property directly to the list container.\n\tif ( listStyle.style ) {\n\t\twriter.setStyle( 'list-style-type', listStyle.style, list );\n\t}\n\n\treturn list;\n}\n\n// Transforms a given element into a semantic list item. As the function operates on a provided\n// {module:engine/src/view/element~Element element} it will modify the view structure to which this element belongs.\n//\n// @param {module:engine/view/element~Element} element Element which will be transformed into a list item.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {module:engine/view/element~Element} New element to which the given one was transformed. It is\n// inserted in place of the old element (the reference to the old element is lost due to renaming).\nfunction transformElementIntoListItem( element, writer ) {\n\tremoveBulletElement( element, writer );\n\n\treturn writer.rename( 'li', element );\n}\n\n// Extracts list item information from Word specific list-like element style:\n//\n//\t\t`style=\"mso-list:l1 level1 lfo1\"`\n//\n// where:\n//\n//\t\t* `l1` is a list id (however it does not mean this is a continuous list - see #43),\n//\t\t* `level1` is a list item indentation level,\n//\t\t* `lfo1` is a list insertion order in a document.\n//\n// @param {module:engine/view/element~Element} element Element from which style data is extracted.\n// @returns {Object} result\n// @returns {Number} result.id Parent list id.\n// @returns {Number} result.order List item creation order.\n// @returns {Number} result.indent List item indentation level.\nfunction getListItemData( element ) {\n\tconst data = {};\n\tconst listStyle = element.getStyle( 'mso-list' );\n\n\tif ( listStyle ) {\n\t\tconst idMatch = listStyle.match( /(^|\\s+)l(\\d+)/i );\n\t\tconst orderMatch = listStyle.match( /\\s*lfo(\\d+)/i );\n\t\tconst indentMatch = listStyle.match( /\\s*level(\\d+)/i );\n\n\t\tif ( idMatch && orderMatch && indentMatch ) {\n\t\t\tdata.id = idMatch[ 2 ];\n\t\t\tdata.order = orderMatch[ 1 ];\n\t\t\tdata.indent = indentMatch[ 1 ];\n\t\t}\n\t}\n\n\treturn data;\n}\n\n// Removes span with a numbering/bullet from a given element.\n//\n// @param {module:engine/view/element~Element} element\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\nfunction removeBulletElement( element, writer ) {\n\t// Matcher for finding `span` elements holding lists numbering/bullets.\n\tconst bulletMatcher = new Matcher( {\n\t\tname: 'span',\n\t\tstyles: {\n\t\t\t'mso-list': 'Ignore'\n\t\t}\n\t} );\n\n\tconst range = writer.createRangeIn( element );\n\n\tfor ( const value of range ) {\n\t\tif ( value.type === 'elementStart' && bulletMatcher.match( value.item ) ) {\n\t\t\twriter.remove( value.item );\n\t\t}\n\t}\n}\n\n// Whether the previous and current items belong to the same list. It is determined based on `item.id`\n// (extracted from `mso-list` style, see #getListItemData) and a previous sibling of the current item.\n//\n// However, it's quite easy to change the `id` attribute for nested lists in Word. It will break the list feature while pasting.\n// Let's check also the `indent` attribute. If the difference between those two elements is equal to 1, we can assume that\n// the `currentItem` is a beginning of the nested list because lists in CKEditor 5 always start with the `indent=0` attribute.\n// See: https://github.com/ckeditor/ckeditor5/issues/7805.\n//\n// @param {Object} previousItem\n// @param {Object} currentItem\n// @returns {Boolean}\nfunction isNewListNeeded( previousItem, currentItem ) {\n\tif ( !previousItem ) {\n\t\treturn true;\n\t}\n\n\tif ( previousItem.id !== currentItem.id ) {\n\t\t// See: https://github.com/ckeditor/ckeditor5/issues/7805.\n\t\t//\n\t\t// * List item 1.\n\t\t//     - Nested list item 1.\n\t\tif ( currentItem.indent - previousItem.indent === 1 ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\tconst previousSibling = currentItem.element.previousSibling;\n\n\tif ( !previousSibling ) {\n\t\treturn true;\n\t}\n\n\t// Even with the same id the list does not have to be continuous (#43).\n\treturn !isList( previousSibling );\n}\n\nfunction isList( element ) {\n\treturn element.is( 'element', 'ol' ) || element.is( 'element', 'ul' );\n}\n\n// Calculates the indentation difference between two given list items (based on the indent attribute\n// extracted from the `mso-list` style, see #getListItemData).\n//\n// @param {Object} previousItem\n// @param {Object} currentItem\n// @returns {Number}\nfunction getIndentationDifference( previousItem, currentItem ) {\n\treturn previousItem ? currentItem.indent - previousItem.indent : currentItem.indent - 1;\n}\n\n// Finds the parent list element (ul/ol) of a given list element with indentation level lower by a given value.\n//\n// @param {module:engine/view/element~Element} listElement List element from which to start looking for a parent list.\n// @param {Number} indentationDifference Indentation difference between lists.\n// @returns {module:engine/view/element~Element} Found list element with indentation level lower by a given value.\nfunction findParentListAtLevel( listElement, indentationDifference ) {\n\tconst ancestors = listElement.getAncestors( { parentFirst: true } );\n\n\tlet parentList = null;\n\tlet levelChange = 0;\n\n\tfor ( const ancestor of ancestors ) {\n\t\tif ( ancestor.name === 'ul' || ancestor.name === 'ol' ) {\n\t\t\tlevelChange++;\n\t\t}\n\n\t\tif ( levelChange === indentationDifference ) {\n\t\t\tparentList = ancestor;\n\t\t\tbreak;\n\t\t}\n\t}\n\n\treturn parentList;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/normalizers/googledocsnormalizer\n */\n\nimport removeBoldWrapper from '../filters/removeboldwrapper';\nimport { unwrapParagraphInListItem } from '../filters/list';\nimport UpcastWriter from '@ckeditor/ckeditor5-engine/src/view/upcastwriter';\n\nconst googleDocsMatch = /id=(\"|')docs-internal-guid-[-0-9a-f]+(\"|')/i;\n\n/**\n * Normalizer for the content pasted from Google Docs.\n *\n * @implements module:paste-from-office/normalizer~Normalizer\n */\nexport default class GoogleDocsNormalizer {\n\t/**\n\t * Creates a new `GoogleDocsNormalizer` instance.\n\t *\n\t * @param {module:engine/view/document~Document} document View document.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tisActive( htmlString ) {\n\t\treturn googleDocsMatch.test( htmlString );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute( data ) {\n\t\tconst writer = new UpcastWriter( this.document );\n\n\t\tremoveBoldWrapper( data.content, writer );\n\t\tunwrapParagraphInListItem( data.content, writer );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/removeboldwrapper\n */\n\n/**\n * Removes `<b>` tag wrapper added by Google Docs to a copied content.\n *\n * @param {module:engine/view/documentfragment~DocumentFragment} documentFragment element `data.content` obtained from clipboard\n * @param {module:engine/view/upcastwriter~UpcastWriter} writer\n */\nexport default function removeBoldWrapper( documentFragment, writer ) {\n\tfor ( const child of documentFragment.getChildren() ) {\n\t\tif ( child.is( 'element', 'b' ) && child.getStyle( 'font-weight' ) === 'normal' ) {\n\t\t\tconst childIndex = documentFragment.getChildIndex( child );\n\n\t\t\twriter.remove( child );\n\t\t\twriter.insertChild( childIndex, child.getChildren(), documentFragment );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/space\n */\n\n/**\n * Replaces last space preceding elements closing tag with `&nbsp;`. Such operation prevents spaces from being removed\n * during further DOM/View processing (see especially {@link module:engine/view/domconverter~DomConverter#_processDataFromDomText}).\n * This method also takes into account Word specific `<o:p></o:p>` empty tags.\n * Additionally multiline sequences of spaces and new lines between tags are removed (see #39 and #40).\n *\n * @param {String} htmlString HTML string in which spacing should be normalized.\n * @returns {String} Input HTML with spaces normalized.\n */\nexport function normalizeSpacing( htmlString ) {\n\t// Run normalizeSafariSpaceSpans() two times to cover nested spans.\n\treturn normalizeSafariSpaceSpans( normalizeSafariSpaceSpans( htmlString ) )\n\t\t// Remove all \\r\\n from \"spacerun spans\" so the last replace line doesn't strip all whitespaces.\n\t\t.replace( /(<span\\s+style=['\"]mso-spacerun:yes['\"]>[\\s]*?)[\\r\\n]+(\\s*<\\/span>)/g, '$1$2' )\n\t\t.replace( /<span\\s+style=['\"]mso-spacerun:yes['\"]><\\/span>/g, '' )\n\t\t.replace( / <\\//g, '\\u00A0</' )\n\t\t.replace( / <o:p><\\/o:p>/g, '\\u00A0<o:p></o:p>' )\n\t\t// Remove <o:p> block filler from empty paragraph. Safari uses \\u00A0 instead of &nbsp;.\n\t\t.replace( /<o:p>(&nbsp;|\\u00A0)<\\/o:p>/g, '' )\n\t\t// Remove all whitespaces when they contain any \\r or \\n.\n\t\t.replace( />(\\s*[\\r\\n]\\s*)</g, '><' );\n}\n\n/**\n * Normalizes spacing in special Word `spacerun spans` (`<span style='mso-spacerun:yes'>\\s+</span>`) by replacing\n * all spaces with `&nbsp; ` pairs. This prevents spaces from being removed during further DOM/View processing\n * (see especially {@link module:engine/view/domconverter~DomConverter#_processDataFromDomText}).\n *\n * @param {Document} htmlDocument Native `Document` object in which spacing should be normalized.\n */\nexport function normalizeSpacerunSpans( htmlDocument ) {\n\thtmlDocument.querySelectorAll( 'span[style*=spacerun]' ).forEach( el => {\n\t\tconst innerTextLength = el.innerText.length || 0;\n\n\t\tel.innerHTML = Array( innerTextLength + 1 ).join( '\\u00A0 ' ).substr( 0, innerTextLength );\n\t} );\n}\n\n// Normalizes specific spacing generated by Safari when content pasted from Word (`<span class=\"Apple-converted-space\"> </span>`)\n// by replacing all spaces sequences longer than 1 space with `&nbsp; ` pairs. This prevents spaces from being removed during\n// further DOM/View processing (see especially {@link module:engine/view/domconverter~DomConverter#_processDataFromDomText}).\n//\n// This function is similar to {@link module:clipboard/utils/normalizeclipboarddata normalizeClipboardData util} but uses\n// regular spaces / &nbsp; sequence for replacement.\n//\n// @param {String} htmlString HTML string in which spacing should be normalized\n// @returns {String} Input HTML with spaces normalized.\nfunction normalizeSafariSpaceSpans( htmlString ) {\n\treturn htmlString.replace( /<span(?: class=\"Apple-converted-space\"|)>(\\s+)<\\/span>/g, ( fullMatch, spaces ) => {\n\t\treturn spaces.length === 1 ? ' ' : Array( spaces.length + 1 ).join( '\\u00A0 ' ).substr( 0, spaces.length );\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/parse\n */\n\n/* globals DOMParser */\n\nimport DomConverter from '@ckeditor/ckeditor5-engine/src/view/domconverter';\nimport ViewDocument from '@ckeditor/ckeditor5-engine/src/view/document';\n\nimport { normalizeSpacing, normalizeSpacerunSpans } from './space';\n\n/**\n * Parses provided HTML extracting contents of `<body>` and `<style>` tags.\n *\n * @param {String} htmlString HTML string to be parsed.\n * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n * @returns {Object} result\n * @returns {module:engine/view/documentfragment~DocumentFragment} result.body Parsed body\n * content as a traversable structure.\n * @returns {String} result.bodyString Entire body content as a string.\n * @returns {Array.<CSSStyleSheet>} result.styles Array of native `CSSStyleSheet` objects, each representing\n * separate `style` tag from the source HTML.\n * @returns {String} result.stylesString All `style` tags contents combined in the order of occurrence into one string.\n */\nexport function parseHtml( htmlString, stylesProcessor ) {\n\tconst domParser = new DOMParser();\n\n\t// Remove Word specific \"if comments\" so content inside is not omitted by the parser.\n\thtmlString = htmlString.replace( /<!--\\[if gte vml 1]>/g, '' );\n\n\tconst normalizedHtml = normalizeSpacing( cleanContentAfterBody( htmlString ) );\n\n\t// Parse htmlString as native Document object.\n\tconst htmlDocument = domParser.parseFromString( normalizedHtml, 'text/html' );\n\n\tnormalizeSpacerunSpans( htmlDocument );\n\n\t// Get `innerHTML` first as transforming to View modifies the source document.\n\tconst bodyString = htmlDocument.body.innerHTML;\n\n\t// Transform document.body to View.\n\tconst bodyView = documentToView( htmlDocument, stylesProcessor );\n\n\t// Extract stylesheets.\n\tconst stylesObject = extractStyles( htmlDocument );\n\n\treturn {\n\t\tbody: bodyView,\n\t\tbodyString,\n\t\tstyles: stylesObject.styles,\n\t\tstylesString: stylesObject.stylesString\n\t};\n}\n\n// Transforms native `Document` object into {@link module:engine/view/documentfragment~DocumentFragment}.\n//\n// @param {Document} htmlDocument Native `Document` object to be transformed.\n// @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n// @returns {module:engine/view/documentfragment~DocumentFragment}\nfunction documentToView( htmlDocument, stylesProcessor ) {\n\tconst viewDocument = new ViewDocument( stylesProcessor );\n\tconst domConverter = new DomConverter( viewDocument, { blockFillerMode: 'nbsp' } );\n\tconst fragment = htmlDocument.createDocumentFragment();\n\tconst nodes = htmlDocument.body.childNodes;\n\n\twhile ( nodes.length > 0 ) {\n\t\tfragment.appendChild( nodes[ 0 ] );\n\t}\n\n\treturn domConverter.domToView( fragment );\n}\n\n// Extracts both `CSSStyleSheet` and string representation from all `style` elements available in a provided `htmlDocument`.\n//\n// @param {Document} htmlDocument Native `Document` object from which styles will be extracted.\n// @returns {Object} result\n// @returns {Array.<CSSStyleSheet>} result.styles Array of native `CSSStyleSheet` object, each representing\n// separate `style` tag from the source object.\n// @returns {String} result.stylesString All `style` tags contents combined in the order of occurrence as one string.\nfunction extractStyles( htmlDocument ) {\n\tconst styles = [];\n\tconst stylesString = [];\n\tconst styleTags = Array.from( htmlDocument.getElementsByTagName( 'style' ) );\n\n\tfor ( const style of styleTags ) {\n\t\tif ( style.sheet && style.sheet.cssRules && style.sheet.cssRules.length ) {\n\t\t\tstyles.push( style.sheet );\n\t\t\tstylesString.push( style.innerHTML );\n\t\t}\n\t}\n\n\treturn {\n\t\tstyles,\n\t\tstylesString: stylesString.join( ' ' )\n\t};\n}\n\n// Removes leftover content from between closing </body> and closing </html> tag:\n//\n// \t\t<html><body><p>Foo Bar</p></body><span>Fo</span></html> -> <html><body><p>Foo Bar</p></body></html>\n//\n// This function is used as specific browsers (Edge) add some random content after `body` tag when pasting from Word.\n// @param {String} htmlString The HTML string to be cleaned.\n// @returns {String} The HTML string with leftover content removed.\nfunction cleanContentAfterBody( htmlString ) {\n\tconst regexp = /<\\/body>(.*?)(<\\/html>|$)/;\n\tconst match = htmlString.match( regexp );\n\n\tif ( match && match[ 1 ] ) {\n\t\thtmlString = htmlString.slice( 0, match.index ) + htmlString.slice( match.index ).replace( match[ 1 ], '' );\n\t}\n\n\treturn htmlString;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/image\n */\n\n/* globals btoa */\n\nimport ViewMatcher from '@ckeditor/ckeditor5-engine/src/view/matcher';\nimport UpcastWriter from '@ckeditor/ckeditor5-engine/src/view/upcastwriter';\n\n/**\n * Replaces source attribute of all `<img>` elements representing regular\n * images (not the Word shapes) with inlined base64 image representation extracted from RTF or Blob data.\n *\n * @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment on which transform images.\n * @param {String} rtfData The RTF data from which images representation will be used.\n */\nexport function replaceImagesSourceWithBase64( documentFragment, rtfData ) {\n\tif ( !documentFragment.childCount ) {\n\t\treturn;\n\t}\n\n\tconst upcastWriter = new UpcastWriter();\n\tconst shapesIds = findAllShapesIds( documentFragment, upcastWriter );\n\n\tremoveAllImgElementsRepresentingShapes( shapesIds, documentFragment, upcastWriter );\n\tremoveAllShapeElements( documentFragment, upcastWriter );\n\n\tconst images = findAllImageElementsWithLocalSource( documentFragment, upcastWriter );\n\n\tif ( images.length ) {\n\t\treplaceImagesFileSourceWithInlineRepresentation( images, extractImageDataFromRtf( rtfData ), upcastWriter );\n\t}\n}\n\n/**\n * Converts given HEX string to base64 representation.\n *\n * @protected\n * @param {String} hexString The HEX string to be converted.\n * @returns {String} Base64 representation of a given HEX string.\n */\nexport function _convertHexToBase64( hexString ) {\n\treturn btoa( hexString.match( /\\w{2}/g ).map( char => {\n\t\treturn String.fromCharCode( parseInt( char, 16 ) );\n\t} ).join( '' ) );\n}\n\n// Finds all shapes (`<v:*>...</v:*>`) ids. Shapes can represent images (canvas)\n// or Word shapes (which does not have RTF or Blob representation).\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment\n// from which to extract shape ids.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {Array.<String>} Array of shape ids.\nfunction findAllShapesIds( documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\tconst shapeElementsMatcher = new ViewMatcher( {\n\t\tname: /v:(.+)/\n\t} );\n\n\tconst shapesIds = [];\n\n\tfor ( const value of range ) {\n\t\tconst el = value.item;\n\t\tconst prevSiblingName = el.previousSibling && el.previousSibling.name || null;\n\n\t\t// If shape element have 'o:gfxdata' attribute and is not directly before `<v:shapetype>` element it means it represent Word shape.\n\t\tif ( shapeElementsMatcher.match( el ) && el.getAttribute( 'o:gfxdata' ) && prevSiblingName !== 'v:shapetype' ) {\n\t\t\tshapesIds.push( value.item.getAttribute( 'id' ) );\n\t\t}\n\t}\n\n\treturn shapesIds;\n}\n\n// Removes all `<img>` elements which represents Word shapes and not regular images.\n//\n// @param {Array.<String>} shapesIds Shape ids which will be checked against `<img>` elements.\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment from which to remove `<img>` elements.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\nfunction removeAllImgElementsRepresentingShapes( shapesIds, documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\tconst imageElementsMatcher = new ViewMatcher( {\n\t\tname: 'img'\n\t} );\n\n\tconst imgs = [];\n\n\tfor ( const value of range ) {\n\t\tif ( imageElementsMatcher.match( value.item ) ) {\n\t\t\tconst el = value.item;\n\t\t\tconst shapes = el.getAttribute( 'v:shapes' ) ? el.getAttribute( 'v:shapes' ).split( ' ' ) : [];\n\n\t\t\tif ( shapes.length && shapes.every( shape => shapesIds.indexOf( shape ) > -1 ) ) {\n\t\t\t\timgs.push( el );\n\t\t\t// Shapes may also have empty source while content is paste in some browsers (Safari).\n\t\t\t} else if ( !el.getAttribute( 'src' ) ) {\n\t\t\t\timgs.push( el );\n\t\t\t}\n\t\t}\n\t}\n\n\tfor ( const img of imgs ) {\n\t\twriter.remove( img );\n\t}\n}\n\n// Removes all shape elements (`<v:*>...</v:*>`) so they do not pollute the output structure.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment from which to remove shape elements.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\nfunction removeAllShapeElements( documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\tconst shapeElementsMatcher = new ViewMatcher( {\n\t\tname: /v:(.+)/\n\t} );\n\n\tconst shapes = [];\n\n\tfor ( const value of range ) {\n\t\tif ( shapeElementsMatcher.match( value.item ) ) {\n\t\t\tshapes.push( value.item );\n\t\t}\n\t}\n\n\tfor ( const shape of shapes ) {\n\t\twriter.remove( shape );\n\t}\n}\n\n// Finds all `<img>` elements in a given document fragment which have source pointing to local `file://` resource.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment in which to look for `<img>` elements.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {Object} result All found images grouped by source type.\n// @returns {Array.<module:engine/view/element~Element>} result.file Array of found `<img>` elements with `file://` source.\n// @returns {Array.<module:engine/view/element~Element>} result.blob Array of found `<img>` elements with `blob:` source.\nfunction findAllImageElementsWithLocalSource( documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\tconst imageElementsMatcher = new ViewMatcher( {\n\t\tname: 'img'\n\t} );\n\n\tconst imgs = [];\n\n\tfor ( const value of range ) {\n\t\tif ( imageElementsMatcher.match( value.item ) ) {\n\t\t\tif ( value.item.getAttribute( 'src' ).startsWith( 'file://' ) ) {\n\t\t\t\timgs.push( value.item );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn imgs;\n}\n\n// Extracts all images HEX representations from a given RTF data.\n//\n// @param {String} rtfData The RTF data from which to extract images HEX representation.\n// @returns {Array.<Object>} Array of found HEX representations. Each array item is an object containing:\n//\n// \t\t* {String} hex Image representation in HEX format.\n// \t\t* {string} type Type of image, `image/png` or `image/jpeg`.\nfunction extractImageDataFromRtf( rtfData ) {\n\tif ( !rtfData ) {\n\t\treturn [];\n\t}\n\n\tconst regexPictureHeader = /{\\\\pict[\\s\\S]+?\\\\bliptag-?\\d+(\\\\blipupi-?\\d+)?({\\\\\\*\\\\blipuid\\s?[\\da-fA-F]+)?[\\s}]*?/;\n\tconst regexPicture = new RegExp( '(?:(' + regexPictureHeader.source + '))([\\\\da-fA-F\\\\s]+)\\\\}', 'g' );\n\tconst images = rtfData.match( regexPicture );\n\tconst result = [];\n\n\tif ( images ) {\n\t\tfor ( const image of images ) {\n\t\t\tlet imageType = false;\n\n\t\t\tif ( image.includes( '\\\\pngblip' ) ) {\n\t\t\t\timageType = 'image/png';\n\t\t\t} else if ( image.includes( '\\\\jpegblip' ) ) {\n\t\t\t\timageType = 'image/jpeg';\n\t\t\t}\n\n\t\t\tif ( imageType ) {\n\t\t\t\tresult.push( {\n\t\t\t\t\thex: image.replace( regexPictureHeader, '' ).replace( /[^\\da-fA-F]/g, '' ),\n\t\t\t\t\ttype: imageType\n\t\t\t\t} );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn result;\n}\n\n// Replaces `src` attribute value of all given images with the corresponding base64 image representation.\n//\n// @param {Array.<module:engine/view/element~Element>} imageElements Array of image elements which will have its source replaced.\n// @param {Array.<Object>} imagesHexSources Array of images hex sources (usually the result of `extractImageDataFromRtf()` function).\n// The array should be the same length as `imageElements` parameter.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\nfunction replaceImagesFileSourceWithInlineRepresentation( imageElements, imagesHexSources, writer ) {\n\t// Assume there is an equal amount of image elements and images HEX sources so they can be matched accordingly based on existing order.\n\tif ( imageElements.length === imagesHexSources.length ) {\n\t\tfor ( let i = 0; i < imageElements.length; i++ ) {\n\t\t\tconst newSrc = `data:${ imagesHexSources[ i ].type };base64,${ _convertHexToBase64( imagesHexSources[ i ].hex ) }`;\n\t\t\twriter.setAttribute( 'src', newSrc, imageElements[ i ] );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/normalizers/mswordnormalizer\n */\n\nimport { parseHtml } from '../filters/parse';\nimport { transformListItemLikeElementsIntoLists } from '../filters/list';\nimport { replaceImagesSourceWithBase64 } from '../filters/image';\n\nconst msWordMatch1 = /<meta\\s*name=\"?generator\"?\\s*content=\"?microsoft\\s*word\\s*\\d+\"?\\/?>/i;\nconst msWordMatch2 = /xmlns:o=\"urn:schemas-microsoft-com/i;\n\n/**\n * Normalizer for the content pasted from Microsoft Word.\n *\n * @implements module:paste-from-office/normalizer~Normalizer\n */\nexport default class MSWordNormalizer {\n\t/**\n\t * Creates a new `MSWordNormalizer` instance.\n\t *\n\t * @param {module:engine/view/document~Document} document View document.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tisActive( htmlString ) {\n\t\treturn msWordMatch1.test( htmlString ) || msWordMatch2.test( htmlString );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute( data ) {\n\t\tconst { body, stylesString } = parseHtml( data.dataTransfer.getData( 'text/html' ), this.document.stylesProcessor );\n\n\t\ttransformListItemLikeElementsIntoLists( body, stylesString );\n\t\treplaceImagesSourceWithBase64( body, data.dataTransfer.getData( 'text/rtf' ) );\n\n\t\tdata.content = body;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolistcheckedcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nconst attributeKey = 'todoListChecked';\n\n/**\n * The to-do check command.\n *\n * The command is registered by the {@link module:list/todolistediting~TodoListEditing} as\n * the `'todoListCheck'` editor command.\n *\n * @extends module:core/command~Command\n */\nexport default class TodoListCheckCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A flag indicating whether the command is active. The command is active when at least one of\n\t\t * {@link module:engine/model/selection~Selection selected} elements is a to-do list item.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\n\t\t/**\n\t\t * A list of to-do list items selected by the {@link module:engine/model/selection~Selection}.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Array.<module:engine/model/element~Element>} #value\n\t\t */\n\n\t\t/**\n\t\t * A list of to-do list items selected by the {@link module:engine/model/selection~Selection}.\n\t\t *\n\t\t * @protected\n\t\t * @type {Array.<module:engine/model/element~Element>}\n\t\t */\n\t\tthis._selectedElements = [];\n\n\t\t// Refresh command before executing to be sure all values are up to date.\n\t\t// It is needed when selection has changed before command execution, in the same change block.\n\t\tthis.on( 'execute', () => {\n\t\t\tthis.refresh();\n\t\t}, { priority: 'highest' } );\n\t}\n\n\t/**\n\t * Updates the command's {@link #value} and {@link #isEnabled} properties based on the current selection.\n\t */\n\trefresh() {\n\t\tthis._selectedElements = this._getSelectedItems();\n\t\tthis.value = this._selectedElements.every( element => !!element.getAttribute( 'todoListChecked' ) );\n\t\tthis.isEnabled = !!this._selectedElements.length;\n\t}\n\n\t/**\n\t * Gets all to-do list items selected by the {@link module:engine/model/selection~Selection}.\n\t *\n\t * @private\n\t * @returns {Array.<module:engine/model/element~Element>}\n\t */\n\t_getSelectedItems() {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\n\t\tconst selectionRange = model.document.selection.getFirstRange();\n\t\tconst startElement = selectionRange.start.parent;\n\t\tconst elements = [];\n\n\t\tif ( schema.checkAttribute( startElement, attributeKey ) ) {\n\t\t\telements.push( startElement );\n\t\t}\n\n\t\tfor ( const item of selectionRange.getItems() ) {\n\t\t\tif ( schema.checkAttribute( item, attributeKey ) && !elements.includes( item ) ) {\n\t\t\t\telements.push( item );\n\t\t\t}\n\t\t}\n\n\t\treturn elements;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.forceValue] If set, it will force the command behavior. If `true`, the command will apply\n\t * the attribute. Otherwise, the command will remove the attribute. If not set, the command will look for its current\n\t * value to decide what it should do.\n\t */\n\texecute( options = {} ) {\n\t\tthis.editor.model.change( writer => {\n\t\t\tfor ( const element of this._selectedElements ) {\n\t\t\t\tconst value = ( options.forceValue === undefined ) ? !this.value : options.forceValue;\n\n\t\t\t\tif ( value ) {\n\t\t\t\t\twriter.setAttribute( attributeKey, true, element );\n\t\t\t\t} else {\n\t\t\t\t\twriter.removeAttribute( attributeKey, element );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolistconverters\n */\n\n/* global document */\n\nimport { generateLiInUl, injectViewList, positionAfterUiElements, findNestedList } from './utils';\nimport createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement';\n\n/**\n * A model-to-view converter for the `listItem` model element insertion.\n *\n * It converts the `listItem` model element to an unordered list with a {@link module:engine/view/uielement~UIElement checkbox element}\n * at the beginning of each list item. It also merges the list with surrounding lists (if available).\n *\n * It is used by {@link module:engine/controller/editingcontroller~EditingController}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert\n * @param {module:engine/model/model~Model} model Model instance.\n * @param {Function} onCheckboxChecked Callback function.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewInsertion( model, onCheckboxChecked ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst consumable = conversionApi.consumable;\n\n\t\tif ( !consumable.test( data.item, 'insert' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listType' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listIndent' )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( data.item.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelItem = data.item;\n\n\t\tconsumable.consume( modelItem, 'insert' );\n\t\tconsumable.consume( modelItem, 'attribute:listType' );\n\t\tconsumable.consume( modelItem, 'attribute:listIndent' );\n\t\tconsumable.consume( modelItem, 'attribute:todoListChecked' );\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewItem = generateLiInUl( modelItem, conversionApi );\n\n\t\tconst isChecked = !!modelItem.getAttribute( 'todoListChecked' );\n\t\tconst checkmarkElement = createCheckmarkElement( modelItem, viewWriter, isChecked, onCheckboxChecked );\n\n\t\tconst span = viewWriter.createContainerElement( 'span', {\n\t\t\tclass: 'todo-list__label__description'\n\t\t} );\n\n\t\tviewWriter.addClass( 'todo-list', viewItem.parent );\n\t\tviewWriter.insert( viewWriter.createPositionAt( viewItem, 0 ), checkmarkElement );\n\t\tviewWriter.insert( viewWriter.createPositionAfter( checkmarkElement ), span );\n\n\t\tinjectViewList( modelItem, viewItem, conversionApi, model );\n\t};\n}\n\n/**\n * A model-to-view converter for the `listItem` model element insertion.\n *\n * It is used by {@link module:engine/controller/datacontroller~DataController}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function dataModelViewInsertion( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst consumable = conversionApi.consumable;\n\n\t\tif ( !consumable.test( data.item, 'insert' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listType' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listIndent' )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( data.item.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelItem = data.item;\n\n\t\tconsumable.consume( modelItem, 'insert' );\n\t\tconsumable.consume( modelItem, 'attribute:listType' );\n\t\tconsumable.consume( modelItem, 'attribute:listIndent' );\n\t\tconsumable.consume( modelItem, 'attribute:todoListChecked' );\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewItem = generateLiInUl( modelItem, conversionApi );\n\n\t\tviewWriter.addClass( 'todo-list', viewItem.parent );\n\n\t\tconst label = viewWriter.createContainerElement( 'label', {\n\t\t\tclass: 'todo-list__label'\n\t\t} );\n\n\t\tconst checkbox = viewWriter.createEmptyElement( 'input', {\n\t\t\ttype: 'checkbox',\n\t\t\tdisabled: 'disabled'\n\t\t} );\n\n\t\tconst span = viewWriter.createContainerElement( 'span', {\n\t\t\tclass: 'todo-list__label__description'\n\t\t} );\n\n\t\tif ( modelItem.getAttribute( 'todoListChecked' ) ) {\n\t\t\tviewWriter.setAttribute( 'checked', 'checked', checkbox );\n\t\t}\n\n\t\tviewWriter.insert( viewWriter.createPositionAt( viewItem, 0 ), label );\n\t\tviewWriter.insert( viewWriter.createPositionAt( label, 0 ), checkbox );\n\t\tviewWriter.insert( viewWriter.createPositionAfter( checkbox ), span );\n\n\t\tinjectViewList( modelItem, viewItem, conversionApi, model );\n\t};\n}\n\n/**\n * A view-to-model converter for the checkbox element inside a view list item.\n *\n * It changes the `listType` of the model `listItem` to a `todo` value.\n * When a view checkbox element is marked as checked, an additional `todoListChecked=\"true\"` attribute is added to the model item.\n *\n * It is used by {@link module:engine/controller/datacontroller~DataController}.\n *\n * @see module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data An object containing conversion input, a placeholder for conversion output and possibly other values.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n */\nexport function dataViewModelCheckmarkInsertion( evt, data, conversionApi ) {\n\tconst modelCursor = data.modelCursor;\n\tconst modelItem = modelCursor.parent;\n\tconst viewItem = data.viewItem;\n\n\tif ( viewItem.getAttribute( 'type' ) != 'checkbox' || modelItem.name != 'listItem' || !modelCursor.isAtStart ) {\n\t\treturn;\n\t}\n\n\tif ( !conversionApi.consumable.consume( viewItem, { name: true } ) ) {\n\t\treturn;\n\t}\n\n\tconst writer = conversionApi.writer;\n\n\twriter.setAttribute( 'listType', 'todo', modelItem );\n\n\tif ( data.viewItem.hasAttribute( 'checked' ) ) {\n\t\twriter.setAttribute( 'todoListChecked', true, modelItem );\n\t}\n\n\tdata.modelRange = writer.createRange( modelCursor );\n}\n\n/**\n * A model-to-view converter for the `listType` attribute change on the `listItem` model element.\n *\n * This change means that the `<li>` element parent changes to `<ul class=\"todo-list\">` and a\n * {@link module:engine/view/uielement~UIElement checkbox UI element} is added at the beginning\n * of the list item element (or vice versa).\n *\n * This converter is preceded by {@link module:list/converters~modelViewChangeType} and followed by\n * {@link module:list/converters~modelViewMergeAfterChangeType} to handle splitting and merging surrounding lists of the same type.\n *\n * It is used by {@link module:engine/controller/editingcontroller~EditingController}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {Function} onCheckedChange Callback fired after clicking the checkbox UI element.\n * @param {module:engine/view/view~View} view Editing view controller.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewChangeType( onCheckedChange, view ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewItem = conversionApi.mapper.toViewElement( data.item );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\tconst labelElement = findLabel( viewItem, view );\n\n\t\tif ( data.attributeNewValue == 'todo' ) {\n\t\t\tconst isChecked = !!data.item.getAttribute( 'todoListChecked' );\n\t\t\tconst checkmarkElement = createCheckmarkElement( data.item, viewWriter, isChecked, onCheckedChange );\n\n\t\t\tconst span = viewWriter.createContainerElement( 'span', {\n\t\t\t\tclass: 'todo-list__label__description'\n\t\t\t} );\n\n\t\t\tconst itemRange = viewWriter.createRangeIn( viewItem );\n\t\t\tconst nestedList = findNestedList( viewItem );\n\n\t\t\tconst descriptionStart = positionAfterUiElements( itemRange.start );\n\t\t\tconst descriptionEnd = nestedList ? viewWriter.createPositionBefore( nestedList ) : itemRange.end;\n\t\t\tconst descriptionRange = viewWriter.createRange( descriptionStart, descriptionEnd );\n\n\t\t\tviewWriter.addClass( 'todo-list', viewItem.parent );\n\t\t\tviewWriter.move( descriptionRange, viewWriter.createPositionAt( span, 0 ) );\n\t\t\tviewWriter.insert( viewWriter.createPositionAt( viewItem, 0 ), checkmarkElement );\n\t\t\tviewWriter.insert( viewWriter.createPositionAfter( checkmarkElement ), span );\n\t\t} else if ( data.attributeOldValue == 'todo' ) {\n\t\t\tconst descriptionSpan = findDescription( viewItem, view );\n\n\t\t\tviewWriter.removeClass( 'todo-list', viewItem.parent );\n\t\t\tviewWriter.remove( labelElement );\n\t\t\tviewWriter.move( viewWriter.createRangeIn( descriptionSpan ), viewWriter.createPositionBefore( descriptionSpan ) );\n\t\t\tviewWriter.remove( descriptionSpan );\n\t\t}\n\t};\n}\n\n/**\n * A model-to-view converter for the `todoListChecked` attribute change on the `listItem` model element.\n *\n * It marks the {@link module:engine/view/uielement~UIElement checkbox UI element} as checked.\n *\n * It is used by {@link module:engine/controller/editingcontroller~EditingController}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {Function} onCheckedChange Callback fired after clicking the checkbox UI element.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewChangeChecked( onCheckedChange ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Do not convert `todoListChecked` attribute when to-do list item has changed to other list item.\n\t\t// This attribute will be removed by the model post fixer.\n\t\tif ( data.item.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, 'attribute:todoListChecked' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst { mapper, writer: viewWriter } = conversionApi;\n\t\tconst isChecked = !!data.item.getAttribute( 'todoListChecked' );\n\t\tconst viewItem = mapper.toViewElement( data.item );\n\t\t// Because of m -> v position mapper we can be sure checkbox is always at the beginning.\n\t\tconst oldCheckmarkElement = viewItem.getChild( 0 );\n\t\tconst newCheckmarkElement = createCheckmarkElement( data.item, viewWriter, isChecked, onCheckedChange );\n\n\t\tviewWriter.insert( viewWriter.createPositionAfter( oldCheckmarkElement ), newCheckmarkElement );\n\t\tviewWriter.remove( oldCheckmarkElement );\n\t};\n}\n\n/**\n * A model-to-view position at zero offset mapper.\n *\n * This helper ensures that position inside todo-list in the view is mapped after the checkbox.\n *\n * It only handles the position at the beginning of a list item as other positions are properly mapped be the default mapper.\n *\n * @param {module:engine/view/view~View} view\n * @return {Function}\n */\nexport function mapModelToViewPosition( view ) {\n\treturn ( evt, data ) => {\n\t\tconst modelPosition = data.modelPosition;\n\t\tconst parent = modelPosition.parent;\n\n\t\tif ( !parent.is( 'element', 'listItem' ) || parent.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewLi = data.mapper.toViewElement( parent );\n\t\tconst descSpan = findDescription( viewLi, view );\n\n\t\tif ( descSpan ) {\n\t\t\tdata.viewPosition = data.mapper.findPositionIn( descSpan, modelPosition.offset );\n\t\t}\n\t};\n}\n\n// Creates a checkbox UI element.\n//\n// @private\n// @param {module:engine/model/item~Item} modelItem\n// @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n// @param {Boolean} isChecked\n// @param {Function} onChange\n// @returns {module:view/uielement~UIElement}\nfunction createCheckmarkElement( modelItem, viewWriter, isChecked, onChange ) {\n\tconst uiElement = viewWriter.createUIElement(\n\t\t'label',\n\t\t{\n\t\t\tclass: 'todo-list__label',\n\t\t\tcontenteditable: false\n\t\t},\n\t\tfunction( domDocument ) {\n\t\t\tconst checkbox = createElement( document, 'input', { type: 'checkbox' } );\n\n\t\t\tif ( isChecked ) {\n\t\t\t\tcheckbox.setAttribute( 'checked', 'checked' );\n\t\t\t}\n\n\t\t\tcheckbox.addEventListener( 'change', () => onChange( modelItem ) );\n\n\t\t\tconst domElement = this.toDomElement( domDocument );\n\n\t\t\tdomElement.appendChild( checkbox );\n\n\t\t\treturn domElement;\n\t\t}\n\t);\n\n\treturn uiElement;\n}\n\n// Helper method to find label element inside li.\nfunction findLabel( viewItem, view ) {\n\tconst range = view.createRangeIn( viewItem );\n\n\tfor ( const value of range ) {\n\t\tif ( value.item.is( 'uiElement', 'label' ) ) {\n\t\t\treturn value.item;\n\t\t}\n\t}\n}\n\nfunction findDescription( viewItem, view ) {\n\tconst range = view.createRangeIn( viewItem );\n\n\tfor ( const value of range ) {\n\t\tif ( value.item.is( 'containerElement', 'span' ) && value.item.hasClass( 'todo-list__label__description' ) ) {\n\t\t\treturn value.item;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolistediting\n */\n\nimport ListCommand from './listcommand';\nimport ListEditing from './listediting';\nimport TodoListCheckCommand from './todolistcheckcommand';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport {\n\tdataModelViewInsertion,\n\tdataViewModelCheckmarkInsertion,\n\tmapModelToViewPosition,\n\tmodelViewChangeChecked,\n\tmodelViewChangeType,\n\tmodelViewInsertion\n} from './todolistconverters';\nimport { getLocalizedArrowKeyCodeDirection } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * The engine of the to-do list feature. It handles creating, editing and removing to-do lists and their items.\n *\n * It registers the entire functionality of the {@link module:list/listediting~ListEditing list editing plugin} and extends\n * it with the commands:\n *\n * - `'todoList'`,\n * - `'todoListCheck'`.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TodoListEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TodoListEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ListEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst { editing, data, model } = editor;\n\n\t\t// Extend schema.\n\t\tmodel.schema.extend( 'listItem', {\n\t\t\tallowAttributes: [ 'todoListChecked' ]\n\t\t} );\n\n\t\t// Disallow todoListChecked attribute on other nodes than listItem with to-do listType.\n\t\tmodel.schema.addAttributeCheck( ( context, attributeName ) => {\n\t\t\tconst item = context.last;\n\n\t\t\tif ( attributeName == 'todoListChecked' && item.name == 'listItem' && item.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} );\n\n\t\t// Register commands.\n\t\teditor.commands.add( 'todoList', new ListCommand( editor, 'todo' ) );\n\t\teditor.commands.add( 'todoListCheck', new TodoListCheckCommand( editor ) );\n\n\t\t// Define converters.\n\t\tdata.downcastDispatcher.on( 'insert:listItem', dataModelViewInsertion( model ), { priority: 'high' } );\n\t\tdata.upcastDispatcher.on( 'element:input', dataViewModelCheckmarkInsertion, { priority: 'high' } );\n\n\t\tediting.downcastDispatcher.on(\n\t\t\t'insert:listItem',\n\t\t\tmodelViewInsertion( model, listItem => this._handleCheckmarkChange( listItem ) ),\n\t\t\t{ priority: 'high' }\n\t\t);\n\t\tediting.downcastDispatcher.on(\n\t\t\t'attribute:listType:listItem',\n\t\t\tmodelViewChangeType( listItem => this._handleCheckmarkChange( listItem ), editing.view )\n\t\t);\n\t\tediting.downcastDispatcher.on(\n\t\t\t'attribute:todoListChecked:listItem',\n\t\t\tmodelViewChangeChecked( listItem => this._handleCheckmarkChange( listItem ) )\n\t\t);\n\n\t\tediting.mapper.on( 'modelToViewPosition', mapModelToViewPosition( editing.view ) );\n\t\tdata.mapper.on( 'modelToViewPosition', mapModelToViewPosition( editing.view ) );\n\n\t\t// Jump at the end of the previous node on left arrow key press, when selection is after the checkbox.\n\t\t//\n\t\t// <blockquote><p>Foo</p></blockquote>\n\t\t// <ul><li><checkbox/>{}Bar</li></ul>\n\t\t//\n\t\t// press: `<-`\n\t\t//\n\t\t// <blockquote><p>Foo{}</p></blockquote>\n\t\t// <ul><li><checkbox/>Bar</li></ul>\n\t\t//\n\t\tthis.listenTo( editing.view.document, 'keydown', jumpOverCheckmarkOnSideArrowKeyPress( model, editor.locale ) );\n\n\t\t// Toggle check state of selected to-do list items on keystroke.\n\t\teditor.keystrokes.set( 'Ctrl+space', () => editor.execute( 'todoListCheck' ) );\n\n\t\t// Remove `todoListChecked` attribute when a host element is no longer a to-do list item.\n\t\tconst listItemsToFix = new Set();\n\n\t\tthis.listenTo( model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( operation.type == 'rename' && operation.oldName == 'listItem' ) {\n\t\t\t\tconst item = operation.position.nodeAfter;\n\n\t\t\t\tif ( item.hasAttribute( 'todoListChecked' ) ) {\n\t\t\t\t\tlistItemsToFix.add( item );\n\t\t\t\t}\n\t\t\t} else if ( operation.type == 'changeAttribute' && operation.key == 'listType' && operation.oldValue === 'todo' ) {\n\t\t\t\tfor ( const item of operation.range.getItems() ) {\n\t\t\t\t\tif ( item.hasAttribute( 'todoListChecked' ) && item.getAttribute( 'listType' ) !== 'todo' ) {\n\t\t\t\t\t\tlistItemsToFix.add( item );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\tmodel.document.registerPostFixer( writer => {\n\t\t\tlet hasChanged = false;\n\n\t\t\tfor ( const listItem of listItemsToFix ) {\n\t\t\t\twriter.removeAttribute( 'todoListChecked', listItem );\n\t\t\t\thasChanged = true;\n\t\t\t}\n\n\t\t\tlistItemsToFix.clear();\n\n\t\t\treturn hasChanged;\n\t\t} );\n\t}\n\n\t/**\n\t * Handles the checkbox element change, moves the selection to the corresponding model item to make it possible\n\t * to toggle the `todoListChecked` attribute using the command, and restores the selection position.\n\t *\n\t * Some say it's a hack :) Moving the selection only for executing the command on a certain node and restoring it after,\n\t * is not a clear solution. We need to design an API for using commands beyond the selection range.\n\t * See https://github.com/ckeditor/ckeditor5/issues/1954.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} listItem\n\t */\n\t_handleCheckmarkChange( listItem ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst previousSelectionRanges = Array.from( model.document.selection.getRanges() );\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setSelection( listItem, 'end' );\n\t\t\teditor.execute( 'todoListCheck' );\n\t\t\twriter.setSelection( previousSelectionRanges );\n\t\t} );\n\t}\n}\n\n// Handles the left/right (LTR/RTL content) arrow key and moves the selection at the end of the previous block element\n// if the selection is just after the checkbox element. In other words, it jumps over the checkbox element when\n// moving the selection to the left/right (LTR/RTL).\n//\n// @private\n// @param {module:engine/model/model~Model} model\n// @param {module:utils/locale~Locale} locale\n// @returns {Function} Callback for 'keydown' events.\nfunction jumpOverCheckmarkOnSideArrowKeyPress( model, locale ) {\n\treturn ( eventInfo, domEventData ) => {\n\t\tconst direction = getLocalizedArrowKeyCodeDirection( domEventData.keyCode, locale.contentLanguageDirection );\n\n\t\tif ( direction != 'left' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst schema = model.schema;\n\t\tconst selection = model.document.selection;\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst position = selection.getFirstPosition();\n\t\tconst parent = position.parent;\n\n\t\tif ( parent.name === 'listItem' && parent.getAttribute( 'listType' ) == 'todo' && position.isAtStart ) {\n\t\t\tconst newRange = schema.getNearestSelectionRange( model.createPositionBefore( parent ), 'backward' );\n\n\t\t\tif ( newRange ) {\n\t\t\t\tmodel.change( writer => writer.setSelection( newRange ) );\n\t\t\t}\n\n\t\t\tdomEventData.preventDefault();\n\t\t\tdomEventData.stopPropagation();\n\t\t\teventInfo.stop();\n\t\t}\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolistui\n */\n\nimport { createUIComponent } from './utils';\nimport todoListIcon from '../theme/icons/todolist.svg';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * The to-do list UI feature. It introduces the `'todoList'` button that\n * allows to convert elements to and from to-do list items and to indent or outdent them.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TodoListUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst t = this.editor.t;\n\n\t\tcreateUIComponent( this.editor, 'todoList', t( 'To-do List' ), todoListIcon );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2.315 14.705l2.224-2.24a.689.689 0 0 1 .963 0 .664.664 0 0 1 0 .949L2.865 16.07a.682.682 0 0 1-.112.089.647.647 0 0 1-.852-.051L.688 14.886a.635.635 0 0 1 0-.903.647.647 0 0 1 .91 0l.717.722zm5.185.045a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75zM2.329 5.745l2.21-2.226a.689.689 0 0 1 .963 0 .664.664 0 0 1 0 .95L2.865 7.125a.685.685 0 0 1-.496.196.644.644 0 0 1-.468-.187L.688 5.912a.635.635 0 0 1 0-.903.647.647 0 0 1 .91 0l.73.736zM7.5 5.75A.75.75 0 0 1 8.25 5h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z\\\"/></svg>\";","var highlightRegExp = /highlight-(?:text|source)-([a-z0-9]+)/;\n\nfunction highlightedCodeBlock (turndownService) {\n  turndownService.addRule('highlightedCodeBlock', {\n    filter: function (node) {\n      var firstChild = node.firstChild;\n      return (\n        node.nodeName === 'DIV' &&\n        highlightRegExp.test(node.className) &&\n        firstChild &&\n        firstChild.nodeName === 'PRE'\n      )\n    },\n    replacement: function (content, node, options) {\n      var className = node.className || '';\n      var language = (className.match(highlightRegExp) || [null, ''])[1];\n\n      return (\n        '\\n\\n' + options.fence + language + '\\n' +\n        node.firstChild.textContent +\n        '\\n' + options.fence + '\\n\\n'\n      )\n    }\n  });\n}\n\nfunction strikethrough (turndownService) {\n  turndownService.addRule('strikethrough', {\n    filter: ['del', 's', 'strike'],\n    replacement: function (content) {\n      return '~' + content + '~'\n    }\n  });\n}\n\nvar indexOf = Array.prototype.indexOf;\nvar every = Array.prototype.every;\nvar rules = {};\n\nrules.tableCell = {\n  filter: ['th', 'td'],\n  replacement: function (content, node) {\n    return cell(content, node)\n  }\n};\n\nrules.tableRow = {\n  filter: 'tr',\n  replacement: function (content, node) {\n    var borderCells = '';\n    var alignMap = { left: ':--', right: '--:', center: ':-:' };\n\n    if (isHeadingRow(node)) {\n      for (var i = 0; i < node.childNodes.length; i++) {\n        var border = '---';\n        var align = (\n          node.childNodes[i].getAttribute('align') || ''\n        ).toLowerCase();\n\n        if (align) border = alignMap[align] || border;\n\n        borderCells += cell(border, node.childNodes[i]);\n      }\n    }\n    return '\\n' + content + (borderCells ? '\\n' + borderCells : '')\n  }\n};\n\nrules.table = {\n  // Only convert tables with a heading row.\n  // Tables with no heading row are kept using `keep` (see below).\n  filter: function (node) {\n    return node.nodeName === 'TABLE' && isHeadingRow(node.rows[0])\n  },\n\n  replacement: function (content) {\n    // Ensure there are no blank lines\n    content = content.replace('\\n\\n', '\\n');\n    return '\\n\\n' + content + '\\n\\n'\n  }\n};\n\nrules.tableSection = {\n  filter: ['thead', 'tbody', 'tfoot'],\n  replacement: function (content) {\n    return content\n  }\n};\n\n// A tr is a heading row if:\n// - the parent is a THEAD\n// - or if its the first child of the TABLE or the first TBODY (possibly\n//   following a blank THEAD)\n// - and every cell is a TH\nfunction isHeadingRow (tr) {\n  var parentNode = tr.parentNode;\n  return (\n    parentNode.nodeName === 'THEAD' ||\n    (\n      parentNode.firstChild === tr &&\n      (parentNode.nodeName === 'TABLE' || isFirstTbody(parentNode)) &&\n      every.call(tr.childNodes, function (n) { return n.nodeName === 'TH' })\n    )\n  )\n}\n\nfunction isFirstTbody (element) {\n  var previousSibling = element.previousSibling;\n  return (\n    element.nodeName === 'TBODY' && (\n      !previousSibling ||\n      (\n        previousSibling.nodeName === 'THEAD' &&\n        /^\\s*$/i.test(previousSibling.textContent)\n      )\n    )\n  )\n}\n\nfunction cell (content, node) {\n  var index = indexOf.call(node.parentNode.childNodes, node);\n  var prefix = ' ';\n  if (index === 0) prefix = '| ';\n  return prefix + content + ' |'\n}\n\nfunction tables (turndownService) {\n  turndownService.keep(function (node) {\n    return node.nodeName === 'TABLE' && !isHeadingRow(node.rows[0])\n  });\n  for (var key in rules) turndownService.addRule(key, rules[key]);\n}\n\nfunction taskListItems (turndownService) {\n  turndownService.addRule('taskListItems', {\n    filter: function (node) {\n      return node.type === 'checkbox' && node.parentNode.nodeName === 'LI'\n    },\n    replacement: function (content, node) {\n      return (node.checked ? '[x]' : '[ ]') + ' '\n    }\n  });\n}\n\nfunction gfm (turndownService) {\n  turndownService.use([\n    highlightedCodeBlock,\n    strikethrough,\n    tables,\n    taskListItems\n  ]);\n}\n\nexport { gfm, highlightedCodeBlock, strikethrough, tables, taskListItems };\n","function extend (destination) {\n  for (var i = 1; i < arguments.length; i++) {\n    var source = arguments[i];\n    for (var key in source) {\n      if (source.hasOwnProperty(key)) destination[key] = source[key];\n    }\n  }\n  return destination\n}\n\nfunction repeat (character, count) {\n  return Array(count + 1).join(character)\n}\n\nvar blockElements = [\n  'address', 'article', 'aside', 'audio', 'blockquote', 'body', 'canvas',\n  'center', 'dd', 'dir', 'div', 'dl', 'dt', 'fieldset', 'figcaption',\n  'figure', 'footer', 'form', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6',\n  'header', 'hgroup', 'hr', 'html', 'isindex', 'li', 'main', 'menu', 'nav',\n  'noframes', 'noscript', 'ol', 'output', 'p', 'pre', 'section', 'table',\n  'tbody', 'td', 'tfoot', 'th', 'thead', 'tr', 'ul'\n];\n\nfunction isBlock (node) {\n  return blockElements.indexOf(node.nodeName.toLowerCase()) !== -1\n}\n\nvar voidElements = [\n  'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input',\n  'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'\n];\n\nfunction isVoid (node) {\n  return voidElements.indexOf(node.nodeName.toLowerCase()) !== -1\n}\n\nvar voidSelector = voidElements.join();\nfunction hasVoid (node) {\n  return node.querySelector && node.querySelector(voidSelector)\n}\n\nvar rules = {};\n\nrules.paragraph = {\n  filter: 'p',\n\n  replacement: function (content) {\n    return '\\n\\n' + content + '\\n\\n'\n  }\n};\n\nrules.lineBreak = {\n  filter: 'br',\n\n  replacement: function (content, node, options) {\n    return options.br + '\\n'\n  }\n};\n\nrules.heading = {\n  filter: ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],\n\n  replacement: function (content, node, options) {\n    var hLevel = Number(node.nodeName.charAt(1));\n\n    if (options.headingStyle === 'setext' && hLevel < 3) {\n      var underline = repeat((hLevel === 1 ? '=' : '-'), content.length);\n      return (\n        '\\n\\n' + content + '\\n' + underline + '\\n\\n'\n      )\n    } else {\n      return '\\n\\n' + repeat('#', hLevel) + ' ' + content + '\\n\\n'\n    }\n  }\n};\n\nrules.blockquote = {\n  filter: 'blockquote',\n\n  replacement: function (content) {\n    content = content.replace(/^\\n+|\\n+$/g, '');\n    content = content.replace(/^/gm, '> ');\n    return '\\n\\n' + content + '\\n\\n'\n  }\n};\n\nrules.list = {\n  filter: ['ul', 'ol'],\n\n  replacement: function (content, node) {\n    var parent = node.parentNode;\n    if (parent.nodeName === 'LI' && parent.lastElementChild === node) {\n      return '\\n' + content\n    } else {\n      return '\\n\\n' + content + '\\n\\n'\n    }\n  }\n};\n\nrules.listItem = {\n  filter: 'li',\n\n  replacement: function (content, node, options) {\n    content = content\n      .replace(/^\\n+/, '') // remove leading newlines\n      .replace(/\\n+$/, '\\n') // replace trailing newlines with just a single one\n      .replace(/\\n/gm, '\\n    '); // indent\n    var prefix = options.bulletListMarker + '   ';\n    var parent = node.parentNode;\n    if (parent.nodeName === 'OL') {\n      var start = parent.getAttribute('start');\n      var index = Array.prototype.indexOf.call(parent.children, node);\n      prefix = (start ? Number(start) + index : index + 1) + '.  ';\n    }\n    return (\n      prefix + content + (node.nextSibling && !/\\n$/.test(content) ? '\\n' : '')\n    )\n  }\n};\n\nrules.indentedCodeBlock = {\n  filter: function (node, options) {\n    return (\n      options.codeBlockStyle === 'indented' &&\n      node.nodeName === 'PRE' &&\n      node.firstChild &&\n      node.firstChild.nodeName === 'CODE'\n    )\n  },\n\n  replacement: function (content, node, options) {\n    return (\n      '\\n\\n    ' +\n      node.firstChild.textContent.replace(/\\n/g, '\\n    ') +\n      '\\n\\n'\n    )\n  }\n};\n\nrules.fencedCodeBlock = {\n  filter: function (node, options) {\n    return (\n      options.codeBlockStyle === 'fenced' &&\n      node.nodeName === 'PRE' &&\n      node.firstChild &&\n      node.firstChild.nodeName === 'CODE'\n    )\n  },\n\n  replacement: function (content, node, options) {\n    var className = node.firstChild.className || '';\n    var language = (className.match(/language-(\\S+)/) || [null, ''])[1];\n    var code = node.firstChild.textContent;\n\n    var fenceChar = options.fence.charAt(0);\n    var fenceSize = 3;\n    var fenceInCodeRegex = new RegExp('^' + fenceChar + '{3,}', 'gm');\n\n    var match;\n    while ((match = fenceInCodeRegex.exec(code))) {\n      if (match[0].length >= fenceSize) {\n        fenceSize = match[0].length + 1;\n      }\n    }\n\n    var fence = repeat(fenceChar, fenceSize);\n\n    return (\n      '\\n\\n' + fence + language + '\\n' +\n      code.replace(/\\n$/, '') +\n      '\\n' + fence + '\\n\\n'\n    )\n  }\n};\n\nrules.horizontalRule = {\n  filter: 'hr',\n\n  replacement: function (content, node, options) {\n    return '\\n\\n' + options.hr + '\\n\\n'\n  }\n};\n\nrules.inlineLink = {\n  filter: function (node, options) {\n    return (\n      options.linkStyle === 'inlined' &&\n      node.nodeName === 'A' &&\n      node.getAttribute('href')\n    )\n  },\n\n  replacement: function (content, node) {\n    var href = node.getAttribute('href');\n    var title = node.title ? ' \"' + node.title + '\"' : '';\n    return '[' + content + '](' + href + title + ')'\n  }\n};\n\nrules.referenceLink = {\n  filter: function (node, options) {\n    return (\n      options.linkStyle === 'referenced' &&\n      node.nodeName === 'A' &&\n      node.getAttribute('href')\n    )\n  },\n\n  replacement: function (content, node, options) {\n    var href = node.getAttribute('href');\n    var title = node.title ? ' \"' + node.title + '\"' : '';\n    var replacement;\n    var reference;\n\n    switch (options.linkReferenceStyle) {\n      case 'collapsed':\n        replacement = '[' + content + '][]';\n        reference = '[' + content + ']: ' + href + title;\n        break\n      case 'shortcut':\n        replacement = '[' + content + ']';\n        reference = '[' + content + ']: ' + href + title;\n        break\n      default:\n        var id = this.references.length + 1;\n        replacement = '[' + content + '][' + id + ']';\n        reference = '[' + id + ']: ' + href + title;\n    }\n\n    this.references.push(reference);\n    return replacement\n  },\n\n  references: [],\n\n  append: function (options) {\n    var references = '';\n    if (this.references.length) {\n      references = '\\n\\n' + this.references.join('\\n') + '\\n\\n';\n      this.references = []; // Reset references\n    }\n    return references\n  }\n};\n\nrules.emphasis = {\n  filter: ['em', 'i'],\n\n  replacement: function (content, node, options) {\n    if (!content.trim()) return ''\n    return options.emDelimiter + content + options.emDelimiter\n  }\n};\n\nrules.strong = {\n  filter: ['strong', 'b'],\n\n  replacement: function (content, node, options) {\n    if (!content.trim()) return ''\n    return options.strongDelimiter + content + options.strongDelimiter\n  }\n};\n\nrules.code = {\n  filter: function (node) {\n    var hasSiblings = node.previousSibling || node.nextSibling;\n    var isCodeBlock = node.parentNode.nodeName === 'PRE' && !hasSiblings;\n\n    return node.nodeName === 'CODE' && !isCodeBlock\n  },\n\n  replacement: function (content) {\n    if (!content.trim()) return ''\n\n    var delimiter = '`';\n    var leadingSpace = '';\n    var trailingSpace = '';\n    var matches = content.match(/`+/gm);\n    if (matches) {\n      if (/^`/.test(content)) leadingSpace = ' ';\n      if (/`$/.test(content)) trailingSpace = ' ';\n      while (matches.indexOf(delimiter) !== -1) delimiter = delimiter + '`';\n    }\n\n    return delimiter + leadingSpace + content + trailingSpace + delimiter\n  }\n};\n\nrules.image = {\n  filter: 'img',\n\n  replacement: function (content, node) {\n    var alt = node.alt || '';\n    var src = node.getAttribute('src') || '';\n    var title = node.title || '';\n    var titlePart = title ? ' \"' + title + '\"' : '';\n    return src ? '![' + alt + ']' + '(' + src + titlePart + ')' : ''\n  }\n};\n\n/**\n * Manages a collection of rules used to convert HTML to Markdown\n */\n\nfunction Rules (options) {\n  this.options = options;\n  this._keep = [];\n  this._remove = [];\n\n  this.blankRule = {\n    replacement: options.blankReplacement\n  };\n\n  this.keepReplacement = options.keepReplacement;\n\n  this.defaultRule = {\n    replacement: options.defaultReplacement\n  };\n\n  this.array = [];\n  for (var key in options.rules) this.array.push(options.rules[key]);\n}\n\nRules.prototype = {\n  add: function (key, rule) {\n    this.array.unshift(rule);\n  },\n\n  keep: function (filter) {\n    this._keep.unshift({\n      filter: filter,\n      replacement: this.keepReplacement\n    });\n  },\n\n  remove: function (filter) {\n    this._remove.unshift({\n      filter: filter,\n      replacement: function () {\n        return ''\n      }\n    });\n  },\n\n  forNode: function (node) {\n    if (node.isBlank) return this.blankRule\n    var rule;\n\n    if ((rule = findRule(this.array, node, this.options))) return rule\n    if ((rule = findRule(this._keep, node, this.options))) return rule\n    if ((rule = findRule(this._remove, node, this.options))) return rule\n\n    return this.defaultRule\n  },\n\n  forEach: function (fn) {\n    for (var i = 0; i < this.array.length; i++) fn(this.array[i], i);\n  }\n};\n\nfunction findRule (rules, node, options) {\n  for (var i = 0; i < rules.length; i++) {\n    var rule = rules[i];\n    if (filterValue(rule, node, options)) return rule\n  }\n  return void 0\n}\n\nfunction filterValue (rule, node, options) {\n  var filter = rule.filter;\n  if (typeof filter === 'string') {\n    if (filter === node.nodeName.toLowerCase()) return true\n  } else if (Array.isArray(filter)) {\n    if (filter.indexOf(node.nodeName.toLowerCase()) > -1) return true\n  } else if (typeof filter === 'function') {\n    if (filter.call(rule, node, options)) return true\n  } else {\n    throw new TypeError('`filter` needs to be a string, array, or function')\n  }\n}\n\n/**\n * The collapseWhitespace function is adapted from collapse-whitespace\n * by Luc Thevenard.\n *\n * The MIT License (MIT)\n *\n * Copyright (c) 2014 Luc Thevenard <lucthevenard@gmail.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\n/**\n * collapseWhitespace(options) removes extraneous whitespace from an the given element.\n *\n * @param {Object} options\n */\nfunction collapseWhitespace (options) {\n  var element = options.element;\n  var isBlock = options.isBlock;\n  var isVoid = options.isVoid;\n  var isPre = options.isPre || function (node) {\n    return node.nodeName === 'PRE'\n  };\n\n  if (!element.firstChild || isPre(element)) return\n\n  var prevText = null;\n  var prevVoid = false;\n\n  var prev = null;\n  var node = next(prev, element, isPre);\n\n  while (node !== element) {\n    if (node.nodeType === 3 || node.nodeType === 4) { // Node.TEXT_NODE or Node.CDATA_SECTION_NODE\n      var text = node.data.replace(/[ \\r\\n\\t]+/g, ' ');\n\n      if ((!prevText || / $/.test(prevText.data)) &&\n          !prevVoid && text[0] === ' ') {\n        text = text.substr(1);\n      }\n\n      // `text` might be empty at this point.\n      if (!text) {\n        node = remove(node);\n        continue\n      }\n\n      node.data = text;\n\n      prevText = node;\n    } else if (node.nodeType === 1) { // Node.ELEMENT_NODE\n      if (isBlock(node) || node.nodeName === 'BR') {\n        if (prevText) {\n          prevText.data = prevText.data.replace(/ $/, '');\n        }\n\n        prevText = null;\n        prevVoid = false;\n      } else if (isVoid(node)) {\n        // Avoid trimming space around non-block, non-BR void elements.\n        prevText = null;\n        prevVoid = true;\n      }\n    } else {\n      node = remove(node);\n      continue\n    }\n\n    var nextNode = next(prev, node, isPre);\n    prev = node;\n    node = nextNode;\n  }\n\n  if (prevText) {\n    prevText.data = prevText.data.replace(/ $/, '');\n    if (!prevText.data) {\n      remove(prevText);\n    }\n  }\n}\n\n/**\n * remove(node) removes the given node from the DOM and returns the\n * next node in the sequence.\n *\n * @param {Node} node\n * @return {Node} node\n */\nfunction remove (node) {\n  var next = node.nextSibling || node.parentNode;\n\n  node.parentNode.removeChild(node);\n\n  return next\n}\n\n/**\n * next(prev, current, isPre) returns the next node in the sequence, given the\n * current and previous nodes.\n *\n * @param {Node} prev\n * @param {Node} current\n * @param {Function} isPre\n * @return {Node}\n */\nfunction next (prev, current, isPre) {\n  if ((prev && prev.parentNode === current) || isPre(current)) {\n    return current.nextSibling || current.parentNode\n  }\n\n  return current.firstChild || current.nextSibling || current.parentNode\n}\n\n/*\n * Set up window for Node.js\n */\n\nvar root = (typeof window !== 'undefined' ? window : {});\n\n/*\n * Parsing HTML strings\n */\n\nfunction canParseHTMLNatively () {\n  var Parser = root.DOMParser;\n  var canParse = false;\n\n  // Adapted from https://gist.github.com/1129031\n  // Firefox/Opera/IE throw errors on unsupported types\n  try {\n    // WebKit returns null on unsupported types\n    if (new Parser().parseFromString('', 'text/html')) {\n      canParse = true;\n    }\n  } catch (e) {}\n\n  return canParse\n}\n\nfunction createHTMLParser () {\n  var Parser = function () {};\n\n  {\n    var JSDOM = require('jsdom').JSDOM;\n    Parser.prototype.parseFromString = function (string) {\n      return new JSDOM(string).window.document\n    };\n  }\n  return Parser\n}\n\nvar HTMLParser = canParseHTMLNatively() ? root.DOMParser : createHTMLParser();\n\nfunction RootNode (input) {\n  var root;\n  if (typeof input === 'string') {\n    var doc = htmlParser().parseFromString(\n      // DOM parsers arrange elements in the <head> and <body>.\n      // Wrapping in a custom element ensures elements are reliably arranged in\n      // a single element.\n      '<x-turndown id=\"turndown-root\">' + input + '</x-turndown>',\n      'text/html'\n    );\n    root = doc.getElementById('turndown-root');\n  } else {\n    root = input.cloneNode(true);\n  }\n  collapseWhitespace({\n    element: root,\n    isBlock: isBlock,\n    isVoid: isVoid\n  });\n\n  return root\n}\n\nvar _htmlParser;\nfunction htmlParser () {\n  _htmlParser = _htmlParser || new HTMLParser();\n  return _htmlParser\n}\n\nfunction Node (node) {\n  node.isBlock = isBlock(node);\n  node.isCode = node.nodeName.toLowerCase() === 'code' || node.parentNode.isCode;\n  node.isBlank = isBlank(node);\n  node.flankingWhitespace = flankingWhitespace(node);\n  return node\n}\n\nfunction isBlank (node) {\n  return (\n    ['A', 'TH', 'TD', 'IFRAME', 'SCRIPT', 'AUDIO', 'VIDEO'].indexOf(node.nodeName) === -1 &&\n    /^\\s*$/i.test(node.textContent) &&\n    !isVoid(node) &&\n    !hasVoid(node)\n  )\n}\n\nfunction flankingWhitespace (node) {\n  var leading = '';\n  var trailing = '';\n\n  if (!node.isBlock) {\n    var hasLeading = /^\\s/.test(node.textContent);\n    var hasTrailing = /\\s$/.test(node.textContent);\n    var blankWithSpaces = node.isBlank && hasLeading && hasTrailing;\n\n    if (hasLeading && !isFlankedByWhitespace('left', node)) {\n      leading = ' ';\n    }\n\n    if (!blankWithSpaces && hasTrailing && !isFlankedByWhitespace('right', node)) {\n      trailing = ' ';\n    }\n  }\n\n  return { leading: leading, trailing: trailing }\n}\n\nfunction isFlankedByWhitespace (side, node) {\n  var sibling;\n  var regExp;\n  var isFlanked;\n\n  if (side === 'left') {\n    sibling = node.previousSibling;\n    regExp = / $/;\n  } else {\n    sibling = node.nextSibling;\n    regExp = /^ /;\n  }\n\n  if (sibling) {\n    if (sibling.nodeType === 3) {\n      isFlanked = regExp.test(sibling.nodeValue);\n    } else if (sibling.nodeType === 1 && !isBlock(sibling)) {\n      isFlanked = regExp.test(sibling.textContent);\n    }\n  }\n  return isFlanked\n}\n\nvar reduce = Array.prototype.reduce;\nvar leadingNewLinesRegExp = /^\\n*/;\nvar trailingNewLinesRegExp = /\\n*$/;\nvar escapes = [\n  [/\\\\/g, '\\\\\\\\'],\n  [/\\*/g, '\\\\*'],\n  [/^-/g, '\\\\-'],\n  [/^\\+ /g, '\\\\+ '],\n  [/^(=+)/g, '\\\\$1'],\n  [/^(#{1,6}) /g, '\\\\$1 '],\n  [/`/g, '\\\\`'],\n  [/^~~~/g, '\\\\~~~'],\n  [/\\[/g, '\\\\['],\n  [/\\]/g, '\\\\]'],\n  [/^>/g, '\\\\>'],\n  [/_/g, '\\\\_'],\n  [/^(\\d+)\\. /g, '$1\\\\. ']\n];\n\nfunction TurndownService (options) {\n  if (!(this instanceof TurndownService)) return new TurndownService(options)\n\n  var defaults = {\n    rules: rules,\n    headingStyle: 'setext',\n    hr: '* * *',\n    bulletListMarker: '*',\n    codeBlockStyle: 'indented',\n    fence: '```',\n    emDelimiter: '_',\n    strongDelimiter: '**',\n    linkStyle: 'inlined',\n    linkReferenceStyle: 'full',\n    br: '  ',\n    blankReplacement: function (content, node) {\n      return node.isBlock ? '\\n\\n' : ''\n    },\n    keepReplacement: function (content, node) {\n      return node.isBlock ? '\\n\\n' + node.outerHTML + '\\n\\n' : node.outerHTML\n    },\n    defaultReplacement: function (content, node) {\n      return node.isBlock ? '\\n\\n' + content + '\\n\\n' : content\n    }\n  };\n  this.options = extend({}, defaults, options);\n  this.rules = new Rules(this.options);\n}\n\nTurndownService.prototype = {\n  /**\n   * The entry point for converting a string or DOM node to Markdown\n   * @public\n   * @param {String|HTMLElement} input The string or DOM node to convert\n   * @returns A Markdown representation of the input\n   * @type String\n   */\n\n  turndown: function (input) {\n    if (!canConvert(input)) {\n      throw new TypeError(\n        input + ' is not a string, or an element/document/fragment node.'\n      )\n    }\n\n    if (input === '') return ''\n\n    var output = process.call(this, new RootNode(input));\n    return postProcess.call(this, output)\n  },\n\n  /**\n   * Add one or more plugins\n   * @public\n   * @param {Function|Array} plugin The plugin or array of plugins to add\n   * @returns The Turndown instance for chaining\n   * @type Object\n   */\n\n  use: function (plugin) {\n    if (Array.isArray(plugin)) {\n      for (var i = 0; i < plugin.length; i++) this.use(plugin[i]);\n    } else if (typeof plugin === 'function') {\n      plugin(this);\n    } else {\n      throw new TypeError('plugin must be a Function or an Array of Functions')\n    }\n    return this\n  },\n\n  /**\n   * Adds a rule\n   * @public\n   * @param {String} key The unique key of the rule\n   * @param {Object} rule The rule\n   * @returns The Turndown instance for chaining\n   * @type Object\n   */\n\n  addRule: function (key, rule) {\n    this.rules.add(key, rule);\n    return this\n  },\n\n  /**\n   * Keep a node (as HTML) that matches the filter\n   * @public\n   * @param {String|Array|Function} filter The unique key of the rule\n   * @returns The Turndown instance for chaining\n   * @type Object\n   */\n\n  keep: function (filter) {\n    this.rules.keep(filter);\n    return this\n  },\n\n  /**\n   * Remove a node that matches the filter\n   * @public\n   * @param {String|Array|Function} filter The unique key of the rule\n   * @returns The Turndown instance for chaining\n   * @type Object\n   */\n\n  remove: function (filter) {\n    this.rules.remove(filter);\n    return this\n  },\n\n  /**\n   * Escapes Markdown syntax\n   * @public\n   * @param {String} string The string to escape\n   * @returns A string with Markdown syntax escaped\n   * @type String\n   */\n\n  escape: function (string) {\n    return escapes.reduce(function (accumulator, escape) {\n      return accumulator.replace(escape[0], escape[1])\n    }, string)\n  }\n};\n\n/**\n * Reduces a DOM node down to its Markdown string equivalent\n * @private\n * @param {HTMLElement} parentNode The node to convert\n * @returns A Markdown representation of the node\n * @type String\n */\n\nfunction process (parentNode) {\n  var self = this;\n  return reduce.call(parentNode.childNodes, function (output, node) {\n    node = new Node(node);\n\n    var replacement = '';\n    if (node.nodeType === 3) {\n      replacement = node.isCode ? node.nodeValue : self.escape(node.nodeValue);\n    } else if (node.nodeType === 1) {\n      replacement = replacementForNode.call(self, node);\n    }\n\n    return join(output, replacement)\n  }, '')\n}\n\n/**\n * Appends strings as each rule requires and trims the output\n * @private\n * @param {String} output The conversion output\n * @returns A trimmed version of the ouput\n * @type String\n */\n\nfunction postProcess (output) {\n  var self = this;\n  this.rules.forEach(function (rule) {\n    if (typeof rule.append === 'function') {\n      output = join(output, rule.append(self.options));\n    }\n  });\n\n  return output.replace(/^[\\t\\r\\n]+/, '').replace(/[\\t\\r\\n\\s]+$/, '')\n}\n\n/**\n * Converts an element node to its Markdown equivalent\n * @private\n * @param {HTMLElement} node The node to convert\n * @returns A Markdown representation of the node\n * @type String\n */\n\nfunction replacementForNode (node) {\n  var rule = this.rules.forNode(node);\n  var content = process.call(this, node);\n  var whitespace = node.flankingWhitespace;\n  if (whitespace.leading || whitespace.trailing) content = content.trim();\n  return (\n    whitespace.leading +\n    rule.replacement(content, node, this.options) +\n    whitespace.trailing\n  )\n}\n\n/**\n * Determines the new lines between the current output and the replacement\n * @private\n * @param {String} output The current conversion output\n * @param {String} replacement The string to append to the output\n * @returns The whitespace to separate the current output and the replacement\n * @type String\n */\n\nfunction separatingNewlines (output, replacement) {\n  var newlines = [\n    output.match(trailingNewLinesRegExp)[0],\n    replacement.match(leadingNewLinesRegExp)[0]\n  ].sort();\n  var maxNewlines = newlines[newlines.length - 1];\n  return maxNewlines.length < 2 ? maxNewlines : '\\n\\n'\n}\n\nfunction join (string1, string2) {\n  var separator = separatingNewlines(string1, string2);\n\n  // Remove trailing/leading newlines and replace with separator\n  string1 = string1.replace(trailingNewLinesRegExp, '');\n  string2 = string2.replace(leadingNewLinesRegExp, '');\n\n  return string1 + separator + string2\n}\n\n/**\n * Determines whether an input can be converted\n * @private\n * @param {String|HTMLElement} input Describe this parameter\n * @returns Describe what it returns\n * @type String|Object|Array|Boolean|Number\n */\n\nfunction canConvert (input) {\n  return (\n    input != null && (\n      typeof input === 'string' ||\n      (input.nodeType && (\n        input.nodeType === 1 || input.nodeType === 9 || input.nodeType === 11\n      ))\n    )\n  )\n}\n\nexport default TurndownService;\n","\n/**\n * Replace whitespace of text nodes within the given parents in the given root element.\n * @param {*} root An HTMLElement to look for text nodes within\n * @param {*} allowed_whitespace_nodes String array of allowed text nodes ( ['STRONG', 'EM'] ... )\n * @param {*} allowed_raw_nodes String array of allowed raw text nodes ( ['PRE', 'CODE'] ... )\n */\nexport function textNodesPreprocessor(root, allowed_whitespace_nodes, allowed_raw_nodes) {\n\tallowed_whitespace_nodes = allowed_whitespace_nodes.map(el => el.toUpperCase());\n\tallowed_raw_nodes = allowed_raw_nodes.map(el => el.toUpperCase());\n\n\tlet walker = document.createNodeIterator(\n\t\troot,\n\t\t// Only consider text nodes\n\t\tNodeFilter.SHOW_TEXT,\n\t  );\n\n\tlet node;\n\twhile(node = walker.nextNode()) {\n\t\t// Strip NBSP whitespace in given nodes\n\t\tif ( node.parentElement && allowed_whitespace_nodes.indexOf(node.parentElement.nodeName) >= 0) {\n\t\tnode.nodeValue = node.nodeValue\n\t\t\t.replace(/^[\\u00a0]+/g, ' ')\n\t\t\t.replace(/[\\u00a0]+$/g, ' ');\n\t\t}\n\n\t\t// Re-encode < and > that would otherwise be output as HTML by turndown\n\t\t// https://github.com/domchristie/turndown/issues/106\n\t\tif (!hasParentOfType(node, allowed_raw_nodes)) {\n\t\t\tnode.nodeValue = _.escape(node.nodeValue);\n\t\t}\n\t}\n}\n\n/**\n * Replace links of A elements with their computed .href attribute\n * https://community.ooject.com/wp/29742\n * @param {} root\n * @param {*} allowed_whitespace_nodes\n * @param {*} allowed_raw_nodes\n */\nexport function linkPreprocessor(root, allowed_whitespace_nodes, allowed_raw_nodes) {\n\tlet walker = document.createNodeIterator(\n\t\troot,\n\t\t// Only consider element nodes\n\t\tNodeFilter.SHOW_ELEMENT,\n\t\t// Accept only A tags\n\t\tfunction(node) {\n\t\t\treturn node.nodeName.toLowerCase() === 'a' ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_REJECT;\n\t\t}\n\t  );\n\n\tlet node;\n\twhile(node = walker.nextNode()) {\n\t\t// node.href is properly escaped, while the attribute is not\n\t\t// and turndown uses the getAttribute version\n\t\tnode.setAttribute('href', node.href);\n\t}\n}\n\n\nexport function hasParentOfType(node, tagNames) {\n\tlet parent = node.parentElement;\n\n\twhile (parent) {\n\t\tif (tagNames.indexOf(parent.tagName) >= 0) {\n\t\t\treturn true;\n\t\t}\n\n\t\tparent = parent.parentElement;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\n/**\n * @module markdown-gfm/commonmarkdataprocessor\n */\n\n/* eslint-env browser */\n\nimport HtmlDataProcessor from '@ckeditor/ckeditor5-engine/src/dataprocessor/htmldataprocessor';\nimport DomConverter from '@ckeditor/ckeditor5-engine/src/view/domconverter';\nimport {highlightedCodeBlock} from 'turndown-plugin-gfm';\nimport TurndownService from 'turndown';\nimport {textNodesPreprocessor, linkPreprocessor} from './utils/preprocessor';\nimport {removeParagraphsInLists} from './utils/paragraph-in-lists';\nimport {fixEmptyCodeBlocks} from \"./utils/fix-empty-code-blocks\";\n\nexport const originalSrcAttribute = 'data-original-src';\n\n/**\n * This data processor implementation uses CommonMark as input/output data.\n *\n * @implements module:engine/dataprocessor/dataprocessor~DataProcessor\n */\nexport default class CommonMarkDataProcessor {\n\tconstructor(document) {\n\t\tthis._htmlDP = new HtmlDataProcessor(document);\n\t\tthis._domConverter = new DomConverter(document);\n\t}\n\n\t/**\n\t * Converts the provided CommonMark string to view tree.\n\t *\n\t * @param {String} data A CommonMark string.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} The converted view element.\n\t */\n\ttoView( data ) {\n\t\tconst md = require( 'markdown-it' )( {\n\t\t\t// Output html\n\t\t\thtml: true,\n\t\t\t// Use GFM language fence prefix\n\t\t\tlangPrefix: 'language-',\n\t\t} );\n\n\t\t// Use tasklist plugin\n\t\tlet taskLists = require('markdown-it-task-lists');\n\t\tlet parser = md.use(taskLists, {label: true});\n\n\t\tconst html = parser.render( data );\n\n\t\t// Convert input HTML data to DOM DocumentFragment.\n\t\tconst domFragment = this._htmlDP._toDom( html );\n\n\t\t// Fix some CommonMark specifics\n\t\t// Paragraphs within list elements (https://community.openproject.com/work_packages/28765)\n\t\tremoveParagraphsInLists( domFragment );\n\n\t\t// Fix empty code blocks\n\t\tfixEmptyCodeBlocks( domFragment );\n\n\t\t// Convert DOM DocumentFragment to view DocumentFragment.\n\t\treturn this._domConverter.domToView( domFragment );\n\t}\n\n\t/**\n\t * Converts the provided {@link module:engine/view/documentfragment~DocumentFragment} to data format &mdash; in this\n\t * case to a CommonMark string.\n\t *\n\t * @param {module:engine/view/documentfragment~DocumentFragment} viewFragment\n\t * @returns {String} CommonMark string.\n\t */\n\ttoData( viewFragment ) {\n\t\t// Convert view DocumentFragment to DOM DocumentFragment.\n\t\tconst domFragment = this._domConverter.viewToDom( viewFragment, document );\n\n\t\t// Replace leading and trailing nbsp at the end of strong and em tags\n\t\t// with single spaces\n\t\ttextNodesPreprocessor(\n\t\t\tdomFragment,\n\t\t\t['strong', 'em'],\n\t\t\t// Ensure tables are allowed to have HTML contents\n\t\t\t// OP#29457\n\t\t\t['pre', 'code', 'table']\n\t\t);\n\n\t\t// Replace link attributes with their computed href attribute\n\t\tlinkPreprocessor(domFragment);\n\n\t\t// Use Turndown to convert DOM fragment to markdown\n\t\tconst turndownService = new TurndownService( {\n\t\t\theadingStyle: 'atx',\n\t\t\tcodeBlockStyle: 'fenced'\n\t\t} );\n\n\t\tturndownService.use([\n\t\t\thighlightedCodeBlock,\n\t\t]);\n\n\t\t// Replace todolist with markdown representation\n\t\tturndownService.addRule('todolist', {\n\t\t\tfilter: function (node) {\n\t\t\t\t// check if we're a todo list item\n\t\t\t\tif (node.nodeName !== 'LI') {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\t// Check for a parent ul, this LI might however be in an OL item\n\t\t\t\tconst parentUl = node.closest('ul');\n\t\t\t\treturn parentUl && parentUl.classList.contains('todo-list');\n\t\t\t},\n\t\t\treplacement: function (content, node, options) {\n\t\t\t\tcontent = content\n\t\t\t\t\t.replace(/^\\n+/, '') // remove leading newlines\n\t\t\t\t\t.replace(/\\n+$/, '\\n') // replace trailing newlines with just a single one\n\t\t\t\t\t.replace(/\\n/gm, '\\n    '); // indent\n\n\t\t\t\tconst prefix = options.bulletListMarker + '   ';\n\t\t\t\tconst input = node.querySelector('input[type=checkbox]');\n\t\t\t\tconst tasklist = (input && input.checked) ? '[x] ' : '[ ] ';\n\t\t\t\treturn prefix + tasklist + content + (node.nextSibling && !/\\n$/.test(content) ? '\\n' : '');\n\t\t\t}\n\t\t});\n\n\t\tturndownService.addRule('imageFigure', {\n\t\t\tfilter: 'img',\n\t\t\treplacement: function (content, node) {\n\t\t\t\treturn node.parentElement.parentElement.outerHTML;\n\t\t\t}\n\t\t});\n\n\t\t// Remove figcaption text, it is processed together with the\n\t\t// figure and the image in the imageFigure rule\n\t\tturndownService.addRule('figcaption', {\n\t\t\tfilter: 'figcaption',\n\t\t\treplacement: function (content, node) {\n\t\t\t\treturn '';\n\t\t\t}\n\t\t});\n\n\t\t// Keep HTML tables and remove filler elements\n\t\tturndownService.addRule('htmlTables', {\n\t\t\tfilter: function (node) {\n\t\t\t\tconst tables = node.getElementsByTagName('table');\n\t\t\t\t// check if we're a todo list item\n\t\t\t\treturn node.nodeName === 'FIGURE' && tables.length;\n\t\t\t},\n\t\t\treplacement: function (_content, node) {\n\t\t\t\t// Remove filler nodes\n\t\t\t\tnode.querySelectorAll('td br[data-cke-filler]')\n\t\t\t\t\t.forEach((node) => node.remove());\n\n\t\t\t\treturn node.outerHTML;\n\t\t\t}\n\t\t});\n\n\t\tturndownService.addRule('strikethrough', {\n\t\t\tfilter: ['del', 's', 'strike'],\n\t\t\treplacement: function (content) {\n\t\t\t\treturn '~~' + content + '~~'\n\t\t\t}\n\t\t});\n\n\t\tturndownService.addRule( 'openProjectMacros', {\n\t\t\tfilter: [ 'macro' ],\n\t\t\treplacement: ( _content, node ) => {\n\t\t\t\tnode.innerHTML = '';\n\t\t\t\tconst outer = node.outerHTML;\n\t\t\t\treturn outer.replace(\"</macro>\", \"\\n</macro>\")\n\t\t\t}\n\t\t});\n\n\t\tturndownService.addRule( 'mentions', {\n\t\t\tfilter: (node) => {\n\t\t\t\treturn (\n\t\t\t\t\tnode.nodeName === 'MENTION' &&\n\t\t\t\t\tnode.classList.contains('mention')\n\t\t\t\t)\n\t\t\t},\n\t\t\treplacement: ( _content, node ) => node.outerHTML,\n\t\t});\n\n\t\treturn turndownService.turndown( domFragment );\n\t}\n}\n","\n/**\n * Remove paragraphs within lists since they will be stripped by CKEditor\n * https://community.openproject.com/work_packages/28765\n */\nexport function removeParagraphsInLists(root) {\n\tconst walker = document.createNodeIterator(\n\t\troot,\n\t\t// Only consider element nodes\n\t\tNodeFilter.SHOW_ELEMENT,\n\t\t// Only except text nodes whose parent is one of parents\n\t\t  { acceptNode: function(node) {\n\t\t\tif ( node.tagName === 'P' && node.parentElement && node.parentElement.tagName === 'LI') {\n\t\t\t  return NodeFilter.FILTER_ACCEPT;\n\t\t\t}\n\t\t  }\n\t\t},\n\t\tfalse\n\t  );\n\n\tlet node;\n\twhile(node = walker.nextNode()) {\n\t\tnode.outerHTML = node.innerHTML;\n\t}\n}\n","\n/**\n * Empty code blocks break CKEditor so fix them for now\n * https://community.openproject.com/work_packages/31749\n */\nexport function fixEmptyCodeBlocks(root) {\n\tlet walker = document.createNodeIterator(\n\t\troot,\n\t\t// Only consider element nodes\n\t\tNodeFilter.SHOW_ELEMENT,\n\t\t// Only except text nodes whose parent is one of parents\n\t\t  { acceptNode: function(node) {\n\t\t\tif ( node.tagName === 'CODE' && node.parentElement && node.parentElement.tagName === 'PRE') {\n\t\t\t  return NodeFilter.FILTER_ACCEPT;\n\t\t\t}\n\t\t  }\n\t\t},\n\t\tfalse\n\t  );\n\n\tlet node;\n\twhile(node = walker.nextNode()) {\n\t\tif (node.children.length === 0 && !node.textContent) {\n\t\t\tnode.textContent = \"\\n\"\n\t\t}\n\t}\n}\n","export default \"<?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\"?>\\n<svg\\n   xmlns:dc=\\\"http://purl.org/dc/elements/1.1/\\\"\\n   xmlns:cc=\\\"http://creativecommons.org/ns#\\\"\\n   xmlns:rdf=\\\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\\\"\\n   xmlns:svg=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns:sodipodi=\\\"http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd\\\"\\n   xmlns:inkscape=\\\"http://www.inkscape.org/namespaces/inkscape\\\"\\n   class=\\\"ck ck-icon ck-button__icon\\\"\\n   viewBox=\\\"0 0 20 20\\\"\\n   version=\\\"1.1\\\"\\n   id=\\\"svg10\\\"\\n   sodipodi:docname=\\\"source.svg\\\"\\n   inkscape:version=\\\"0.92.3 (2405546, 2018-03-11)\\\">\\n  <defs\\n     id=\\\"defs14\\\" />\\n  <sodipodi:namedview\\n     pagecolor=\\\"#ffffff\\\"\\n     bordercolor=\\\"#666666\\\"\\n     borderopacity=\\\"1\\\"\\n     objecttolerance=\\\"10\\\"\\n     gridtolerance=\\\"10\\\"\\n     guidetolerance=\\\"10\\\"\\n     inkscape:pageopacity=\\\"0\\\"\\n     inkscape:pageshadow=\\\"2\\\"\\n     inkscape:window-width=\\\"640\\\"\\n     inkscape:window-height=\\\"480\\\"\\n     id=\\\"namedview12\\\"\\n     showgrid=\\\"false\\\"\\n     inkscape:zoom=\\\"33.37544\\\"\\n     inkscape:cx=\\\"10.656564\\\"\\n     inkscape:cy=\\\"13.670445\\\"\\n     inkscape:current-layer=\\\"svg10\\\" />\\n  <g\\n     id=\\\"g8\\\"\\n     style=\\\"fill:#000000;fill-rule:evenodd\\\"\\n     transform=\\\"matrix(0.8751128,0,0,0.8751128,4.2423992,5.525391)\\\">\\n    <g\\n       id=\\\"g6\\\"\\n       style=\\\"fill:#000000\\\">\\n      <g\\n       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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/mentioncommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport { _addMentionAttributes } from './mentionediting';\n\n/**\n * The mention command.\n *\n * The command is registered by {@link module:mention/mentionediting~MentionEditing} as `'mention'`.\n *\n * To insert a mention onto a range, execute the command and specify a mention object with a range to replace:\n *\n *\t\tconst focus = editor.model.document.selection.focus;\n *\n *\t\t// It will replace one character before the selection focus with the '#1234' text\n *\t\t// with the mention attribute filled with passed attributes.\n *\t\teditor.execute( 'mention', {\n *\t\t\tmarker: '#',\n *\t\t\tmention: {\n *\t\t\t\tid: '#1234',\n *\t\t\t\tname: 'Foo',\n *\t\t\t\ttitle: 'Big Foo'\n *\t\t\t},\n *\t\t\trange: model.createRange( focus, focus.getShiftedBy( -1 ) )\n *\t\t} );\n *\n *\t\t// It will replace one character before the selection focus with the 'The \"Big Foo\"' text\n *\t\t// with the mention attribute filled with passed attributes.\n *\t\teditor.execute( 'mention', {\n *\t\t\tmarker: '#',\n *\t\t\tmention: {\n *\t\t\t\tid: '#1234',\n *\t\t\t\tname: 'Foo',\n *\t\t\t\ttitle: 'Big Foo'\n *\t\t\t},\n *\t\t\ttext: 'The \"Big Foo\"',\n *\t\t\trange: model.createRange( focus, focus.getShiftedBy( -1 ) )\n *\t\t} );\n *\n * @extends module:core/command~Command\n */\nexport default class MentionCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tthis.isEnabled = model.schema.checkAttributeInSelection( doc.selection, 'mention' );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @param {Object} [options] Options for the executed command.\n\t * @param {Object|String} options.mention The mention object to insert. When a string is passed, it will be used to create a plain\n\t * object with the name attribute that equals the passed string.\n\t * @param {String} options.marker The marker character (e.g. `'@'`).\n\t * @param {String} [options.text] The text of the inserted mention. Defaults to the full mention string composed from `marker` and\n\t * `mention` string or `mention.id` if an object is passed.\n\t * @param {String} [options.range] The range to replace. Note that the replaced range might be shorter than the inserted text with the\n\t * mention attribute.\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\t\tconst selection = document.selection;\n\n\t\tconst mentionData = typeof options.mention == 'string' ? { id: options.mention } : options.mention;\n\t\tconst mentionID = mentionData.id;\n\n\t\tconst range = options.range || selection.getFirstRange();\n\n\t\tconst mentionText = options.text || mentionID;\n\n\t\tconst mention = _addMentionAttributes( { _text: mentionText, id: mentionID }, mentionData );\n\n\t\tif ( options.marker.length != 1 ) {\n\t\t\t/**\n\t\t\t * The marker must be a single character.\n\t\t\t *\n\t\t\t * Correct markers: `'@'`, `'#'`.\n\t\t\t *\n\t\t\t * Incorrect markers: `'$$'`, `'[@'`.\n\t\t\t *\n\t\t\t * See {@link module:mention/mention~MentionConfig}.\n\t\t\t *\n\t\t\t * @error mentioncommand-incorrect-marker\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'mentioncommand-incorrect-marker',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tif ( mentionID.charAt( 0 ) != options.marker ) {\n\t\t\t/**\n\t\t\t * The feed item ID must start with the marker character.\n\t\t\t *\n\t\t\t * Correct mention feed setting:\n\t\t\t *\n\t\t\t *\t\tmentions: [\n\t\t\t *\t\t\t{\n\t\t\t *\t\t\t\tmarker: '@',\n\t\t\t *\t\t\t\tfeed: [ '@Ann', '@Barney', ... ]\n\t\t\t *\t\t\t}\n\t\t\t *\t\t]\n\t\t\t *\n\t\t\t * Incorrect mention feed setting:\n\t\t\t *\n\t\t\t *\t\tmentions: [\n\t\t\t *\t\t\t{\n\t\t\t *\t\t\t\tmarker: '@',\n\t\t\t *\t\t\t\tfeed: [ 'Ann', 'Barney', ... ]\n\t\t\t *\t\t\t}\n\t\t\t *\t\t]\n\t\t\t *\n\t\t\t * See {@link module:mention/mention~MentionConfig}.\n\t\t\t *\n\t\t\t * @error mentioncommand-incorrect-id\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'mentioncommand-incorrect-id',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\tconst currentAttributes = toMap( selection.getAttributes() );\n\t\t\tconst attributesWithMention = new Map( currentAttributes.entries() );\n\n\t\t\tattributesWithMention.set( 'mention', mention );\n\n\t\t\t// Replace a range with the text with a mention.\n\t\t\tmodel.insertContent( writer.createText( mentionText, attributesWithMention ), range );\n\t\t\tmodel.insertContent( writer.createText( ' ', currentAttributes ), range.start.getShiftedBy( mentionText.length ) );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/mentionediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\n\nimport MentionCommand from './mentioncommand';\n\n/**\n * The mention editing feature.\n *\n * It introduces the {@link module:mention/mentioncommand~MentionCommand command} and the `mention`\n * attribute in the {@link module:engine/model/model~Model model} which renders in the {@link module:engine/view/view view}\n * as a `<span class=\"mention\" data-mention=\"@mention\">`.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class MentionEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'MentionEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst doc = model.document;\n\n\t\t// Allow the mention attribute on all text nodes.\n\t\tmodel.schema.extend( '$text', { allowAttributes: 'mention' } );\n\n\t\t// Upcast conversion.\n\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tkey: 'data-mention',\n\t\t\t\tclasses: 'mention'\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'mention',\n\t\t\t\tvalue: viewElement => _toMentionAttribute( viewElement )\n\t\t\t}\n\t\t} );\n\n\t\t// Downcast conversion.\n\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t\t\tmodel: 'mention',\n\t\t\tview: createViewMentionElement\n\t\t} );\n\t\teditor.conversion.for( 'downcast' ).add( preventPartialMentionDowncast );\n\n\t\tdoc.registerPostFixer( writer => removePartialMentionPostFixer( writer, doc, model.schema ) );\n\t\tdoc.registerPostFixer( writer => extendAttributeOnMentionPostFixer( writer, doc ) );\n\t\tdoc.registerPostFixer( writer => selectionMentionAttributePostFixer( writer, doc ) );\n\n\t\teditor.commands.add( 'mention', new MentionCommand( editor ) );\n\t}\n}\n\nexport function _addMentionAttributes( baseMentionData, data ) {\n\treturn Object.assign( { uid: uid() }, baseMentionData, data || {} );\n}\n\n/**\n * Creates a mention attribute value from the provided view element and optional data.\n *\n * This function is exposed as\n * {@link module:mention/mention~Mention#toMentionAttribute `editor.plugins.get( 'Mention' ).toMentionAttribute()`}.\n *\n * @protected\n * @param {module:engine/view/element~Element} viewElementOrMention\n * @param {String|Object} [data] Mention data to be extended.\n * @returns {module:mention/mention~MentionAttribute}\n */\nexport function _toMentionAttribute( viewElementOrMention, data ) {\n\tconst dataMention = viewElementOrMention.getAttribute( 'data-mention' );\n\n\tconst textNode = viewElementOrMention.getChild( 0 );\n\n\t// Do not convert empty mentions.\n\tif ( !textNode ) {\n\t\treturn;\n\t}\n\n\tconst baseMentionData = {\n\t\tid: dataMention,\n\t\t_text: textNode.data\n\t};\n\n\treturn _addMentionAttributes( baseMentionData, data );\n}\n\n// A converter that blocks partial mention from being converted.\n//\n// This converter is registered with 'highest' priority in order to consume mention attribute before it is converted by\n// any other converters. This converter only consumes partial mention - those whose `_text` attribute is not equal to text with mention\n// attribute. This may happen when copying part of mention text.\n//\n// @param {module:engine/conversion/dwoncastdispatcher~DowncastDispatcher}\nfunction preventPartialMentionDowncast( dispatcher ) {\n\tdispatcher.on( 'attribute:mention', ( evt, data, conversionApi ) => {\n\t\tconst mention = data.attributeNewValue;\n\n\t\tif ( !data.item.is( '$textProxy' ) || !mention ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst start = data.range.start;\n\t\tconst textNode = start.textNode || start.nodeAfter;\n\n\t\tif ( textNode.data != mention._text ) {\n\t\t\t// Consume item to prevent partial mention conversion.\n\t\t\tconversionApi.consumable.consume( data.item, evt.name );\n\t\t}\n\t}, { priority: 'highest' } );\n}\n\n// Creates a mention element from the mention data.\n//\n// @param {Object} mention\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n// @returns {module:engine/view/attributeelement~AttributeElement}\nfunction createViewMentionElement( mention, { writer } ) {\n\tif ( !mention ) {\n\t\treturn;\n\t}\n\n\tconst attributes = {\n\t\tclass: 'mention',\n\t\t'data-mention': mention.id\n\t};\n\n\tconst options = {\n\t\tid: mention.uid,\n\t\tpriority: 20\n\t};\n\n\treturn writer.createAttributeElement( 'span', attributes, options );\n}\n\n// Model post-fixer that disallows typing with selection when the selection is placed after the text node with the mention attribute or\n// before a text node with mention attribute.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/document~Document} doc\n// @returns {Boolean} Returns `true` if the selection was fixed.\nfunction selectionMentionAttributePostFixer( writer, doc ) {\n\tconst selection = doc.selection;\n\tconst focus = selection.focus;\n\n\tif ( selection.isCollapsed && selection.hasAttribute( 'mention' ) && shouldNotTypeWithMentionAt( focus ) ) {\n\t\twriter.removeSelectionAttribute( 'mention' );\n\n\t\treturn true;\n\t}\n}\n\n// Helper function to detect if mention attribute should be removed from selection.\n// This check makes only sense if the selection has mention attribute.\n//\n// The mention attribute should be removed from a selection when selection focus is placed:\n// a) after a text node\n// b) the position is at parents start - the selection will set attributes from node after.\nfunction shouldNotTypeWithMentionAt( position ) {\n\tconst isAtStart = position.isAtStart;\n\tconst isAfterAMention = position.nodeBefore && position.nodeBefore.is( '$text' );\n\n\treturn isAfterAMention || isAtStart;\n}\n\n// Model post-fixer that removes the mention attribute from the modified text node.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/document~Document} doc\n// @returns {Boolean} Returns `true` if the selection was fixed.\nfunction removePartialMentionPostFixer( writer, doc, schema ) {\n\tconst changes = doc.differ.getChanges();\n\n\tlet wasChanged = false;\n\n\tfor ( const change of changes ) {\n\t\t// Checks the text node on the current position.\n\t\tconst position = change.position;\n\n\t\tif ( change.name == '$text' ) {\n\t\t\tconst nodeAfterInsertedTextNode = position.textNode && position.textNode.nextSibling;\n\n\t\t\t// Checks the text node where the change occurred.\n\t\t\twasChanged = checkAndFix( position.textNode, writer ) || wasChanged;\n\n\t\t\t// Occurs on paste inside a text node with mention.\n\t\t\twasChanged = checkAndFix( nodeAfterInsertedTextNode, writer ) || wasChanged;\n\t\t\twasChanged = checkAndFix( position.nodeBefore, writer ) || wasChanged;\n\t\t\twasChanged = checkAndFix( position.nodeAfter, writer ) || wasChanged;\n\t\t}\n\n\t\t// Checks text nodes in inserted elements (might occur when splitting a paragraph or pasting content inside text with mention).\n\t\tif ( change.name != '$text' && change.type == 'insert' ) {\n\t\t\tconst insertedNode = position.nodeAfter;\n\n\t\t\tfor ( const item of writer.createRangeIn( insertedNode ).getItems() ) {\n\t\t\t\twasChanged = checkAndFix( item, writer ) || wasChanged;\n\t\t\t}\n\t\t}\n\n\t\t// Inserted inline elements might break mention.\n\t\tif ( change.type == 'insert' && schema.isInline( change.name ) ) {\n\t\t\tconst nodeAfterInserted = position.nodeAfter && position.nodeAfter.nextSibling;\n\n\t\t\twasChanged = checkAndFix( position.nodeBefore, writer ) || wasChanged;\n\t\t\twasChanged = checkAndFix( nodeAfterInserted, writer ) || wasChanged;\n\t\t}\n\t}\n\n\treturn wasChanged;\n}\n\n// This post-fixer will extend the attribute applied on the part of the mention so the whole text node of the mention will have\n// the added attribute.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/document~Document} doc\n// @returns {Boolean} Returns `true` if the selection was fixed.\nfunction extendAttributeOnMentionPostFixer( writer, doc ) {\n\tconst changes = doc.differ.getChanges();\n\n\tlet wasChanged = false;\n\n\tfor ( const change of changes ) {\n\t\tif ( change.type === 'attribute' && change.attributeKey != 'mention' ) {\n\t\t\t// Checks the node on the left side of the range...\n\t\t\tconst nodeBefore = change.range.start.nodeBefore;\n\t\t\t// ... and on the right side of the range.\n\t\t\tconst nodeAfter = change.range.end.nodeAfter;\n\n\t\t\tfor ( const node of [ nodeBefore, nodeAfter ] ) {\n\t\t\t\tif ( isBrokenMentionNode( node ) && node.getAttribute( change.attributeKey ) != change.attributeNewValue ) {\n\t\t\t\t\twriter.setAttribute( change.attributeKey, change.attributeNewValue, node );\n\n\t\t\t\t\twasChanged = true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn wasChanged;\n}\n\n// Checks if a node has a correct mention attribute if present.\n// Returns `true` if the node is text and has a mention attribute whose text does not match the expected mention text.\n//\n// @param {module:engine/model/node~Node} node The node to check.\n// @returns {Boolean}\nfunction isBrokenMentionNode( node ) {\n\tif ( !node || !( node.is( '$text' ) || node.is( '$textProxy' ) ) || !node.hasAttribute( 'mention' ) ) {\n\t\treturn false;\n\t}\n\n\tconst text = node.data;\n\tconst mention = node.getAttribute( 'mention' );\n\n\tconst expectedText = mention._text;\n\n\treturn text != expectedText;\n}\n\n// Fixes a mention on a text node if it needs a fix.\n//\n// @param {module:engine/model/text~Text} textNode\n// @param {module:engine/model/writer~Writer} writer\n// @returns {Boolean}\nfunction checkAndFix( textNode, writer ) {\n\tif ( isBrokenMentionNode( textNode ) ) {\n\t\twriter.removeAttribute( 'mention', textNode );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/ui/mentionsview\n */\n\nimport ListView from '@ckeditor/ckeditor5-ui/src/list/listview';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\n\nimport '../../theme/mentionui.css';\n\n/**\n * The mention ui view.\n *\n * @extends module:ui/list/listview~ListView\n */\nexport default class MentionsView extends ListView {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-mentions'\n\t\t\t\t],\n\n\t\t\t\ttabindex: '-1'\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * {@link #select Selects} the first item.\n\t */\n\tselectFirst() {\n\t\tthis.select( 0 );\n\t}\n\n\t/**\n\t * Selects next item to the currently {@link #select selected}.\n\t *\n\t * If the last item is already selected, it will select the first item.\n\t */\n\tselectNext() {\n\t\tconst item = this.selected;\n\t\tconst index = this.items.getIndex( item );\n\n\t\tthis.select( index + 1 );\n\t}\n\n\t/**\n\t * Selects previous item to the currently {@link #select selected}.\n\t *\n\t * If the first item is already selected, it will select the last item.\n\t */\n\tselectPrevious() {\n\t\tconst item = this.selected;\n\t\tconst index = this.items.getIndex( item );\n\n\t\tthis.select( index - 1 );\n\t}\n\n\t/**\n\t * Marks item at a given index as selected.\n\t *\n\t * Handles selection cycling when passed index is out of bounds:\n\t * - if the index is lower than 0, it will select the last item,\n\t * - if the index is higher than the last item index, it will select the first item.\n\t *\n\t * @param {Number} index Index of an item to be marked as selected.\n\t */\n\tselect( index ) {\n\t\tlet indexToGet = 0;\n\n\t\tif ( index > 0 && index < this.items.length ) {\n\t\t\tindexToGet = index;\n\t\t} else if ( index < 0 ) {\n\t\t\tindexToGet = this.items.length - 1;\n\t\t}\n\n\t\tconst item = this.items.get( indexToGet );\n\n\t\t// Return early if item is already selected.\n\t\tif ( this.selected === item ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Remove highlight of previously selected item.\n\t\tif ( this.selected ) {\n\t\t\tthis.selected.removeHighlight();\n\t\t}\n\n\t\titem.highlight();\n\t\tthis.selected = item;\n\n\t\t// Scroll the mentions view to the selected element.\n\t\tif ( !this._isItemVisibleInScrolledArea( item ) ) {\n\t\t\tthis.element.scrollTop = item.element.offsetTop;\n\t\t}\n\t}\n\n\t/**\n\t * Triggers the `execute` event on the {@link #select selected} item.\n\t */\n\texecuteSelected() {\n\t\tthis.selected.fire( 'execute' );\n\t}\n\n\t// Checks if an item is visible in the scrollable area.\n\t//\n\t// The item is considered visible when:\n\t// - its top boundary is inside the scrollable rect\n\t// - its bottom boundary is inside the scrollable rect (the whole item must be visible)\n\t_isItemVisibleInScrolledArea( item ) {\n\t\treturn new Rect( this.element ).contains( new Rect( item.element ) );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/ui/domwrapperview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\n\n/**\n * This class wraps DOM element as a CKEditor5 UI View.\n *\n * It allows to render any DOM element and use it in mentions list.\n *\n * @extends {module:ui/view~View}\n */\nexport default class DomWrapperView extends View {\n\t/**\n\t * Creates an instance of {@link module:mention/ui/domwrapperview~DomWrapperView} class.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {Element} domElement\n\t */\n\tconstructor( locale, domElement ) {\n\t\tsuper( locale );\n\n\t\t// Disable template rendering on this view.\n\t\tthis.template = false;\n\n\t\t/**\n\t\t * The DOM element for which wrapper was created.\n\t\t *\n\t\t * @type {Element}\n\t\t */\n\t\tthis.domElement = domElement;\n\n\t\t// Render dom wrapper as a button.\n\t\tthis.domElement.classList.add( 'ck-button' );\n\n\t\t/**\n\t\t * Controls whether the dom wrapper view is \"on\". This is in line with {@link module:ui/button/button~Button#isOn} property.\n\t\t *\n\t\t * @observable\n\t\t * @default true\n\t\t * @member {Boolean} #isOn\n\t\t */\n\t\tthis.set( 'isOn', false );\n\n\t\t// Handle isOn state as in buttons.\n\t\tthis.on( 'change:isOn', ( evt, name, isOn ) => {\n\t\t\tif ( isOn ) {\n\t\t\t\tthis.domElement.classList.add( 'ck-on' );\n\t\t\t\tthis.domElement.classList.remove( 'ck-off' );\n\t\t\t} else {\n\t\t\t\tthis.domElement.classList.add( 'ck-off' );\n\t\t\t\tthis.domElement.classList.remove( 'ck-on' );\n\t\t\t}\n\t\t} );\n\n\t\t// Pass click event as execute event.\n\t\tthis.listenTo( this.domElement, 'click', () => {\n\t\t\tthis.fire( 'execute' );\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.element = this.domElement;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/ui/mentionlistitemview\n */\n\nimport ListItemView from '@ckeditor/ckeditor5-ui/src/list/listitemview';\n\nexport default class MentionListItemView extends ListItemView {\n\thighlight() {\n\t\tconst child = this.children.first;\n\n\t\tchild.isOn = true;\n\t}\n\n\tremoveHighlight() {\n\t\tconst child = this.children.first;\n\n\t\tchild.isOn = false;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/mentionui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport clickOutsideHandler from '@ckeditor/ckeditor5-ui/src/bindings/clickoutsidehandler';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport CKEditorError, { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\nimport { debounce } from 'lodash-es';\n\nimport TextWatcher from '@ckeditor/ckeditor5-typing/src/textwatcher';\n\nimport MentionsView from './ui/mentionsview';\nimport DomWrapperView from './ui/domwrapperview';\nimport MentionListItemView from './ui/mentionlistitemview';\n\nconst VERTICAL_SPACING = 3;\n\n// The key codes that mention UI handles when it is open.\nconst handledKeyCodes = [\n\tkeyCodes.arrowup,\n\tkeyCodes.arrowdown,\n\tkeyCodes.enter,\n\tkeyCodes.tab,\n\tkeyCodes.esc\n];\n\n/**\n * The mention UI feature.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class MentionUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'MentionUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The mention view.\n\t\t *\n\t\t * @type {module:mention/ui/mentionsview~MentionsView}\n\t\t * @private\n\t\t */\n\t\tthis._mentionsView = this._createMentionView();\n\n\t\t/**\n\t\t * Stores mention feeds configurations.\n\t\t *\n\t\t * @type {Map<String, Object>}\n\t\t * @private\n\t\t */\n\t\tthis._mentionsConfigurations = new Map();\n\n\t\t/**\n\t\t * Debounced feed requester. It uses `lodash#debounce` method to delay function call.\n\t\t *\n\t\t * @private\n\t\t * @param {String} marker\n\t\t * @param {String} feedText\n\t\t * @method\n\t\t */\n\t\tthis._requestFeedDebounced = debounce( this._requestFeed, 100 );\n\n\t\teditor.config.define( 'mention', { feeds: [] } );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t// Key listener that handles navigation in mention view.\n\t\teditor.editing.view.document.on( 'keydown', ( evt, data ) => {\n\t\t\tif ( isHandledKey( data.keyCode ) && this._isUIVisible ) {\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop(); // Required for Enter key overriding.\n\n\t\t\t\tif ( data.keyCode == keyCodes.arrowdown ) {\n\t\t\t\t\tthis._mentionsView.selectNext();\n\t\t\t\t}\n\n\t\t\t\tif ( data.keyCode == keyCodes.arrowup ) {\n\t\t\t\t\tthis._mentionsView.selectPrevious();\n\t\t\t\t}\n\n\t\t\t\tif ( data.keyCode == keyCodes.enter || data.keyCode == keyCodes.tab ) {\n\t\t\t\t\tthis._mentionsView.executeSelected();\n\t\t\t\t}\n\n\t\t\t\tif ( data.keyCode == keyCodes.esc ) {\n\t\t\t\t\tthis._hideUIAndRemoveMarker();\n\t\t\t\t}\n\t\t\t}\n\t\t}, { priority: 'highest' } ); // Required to override the Enter key.\n\n\t\t// Close the dropdown upon clicking outside of the plugin UI.\n\t\tclickOutsideHandler( {\n\t\t\temitter: this._mentionsView,\n\t\t\tactivator: () => this._isUIVisible,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideUIAndRemoveMarker()\n\t\t} );\n\n\t\tconst feeds = editor.config.get( 'mention.feeds' );\n\n\t\tfor ( const mentionDescription of feeds ) {\n\t\t\tconst feed = mentionDescription.feed;\n\n\t\t\tconst marker = mentionDescription.marker;\n\n\t\t\tif ( !isValidMentionMarker( marker ) ) {\n\t\t\t\t/**\n\t\t\t\t * The marker must be a single character.\n\t\t\t\t *\n\t\t\t\t * Correct markers: `'@'`, `'#'`.\n\t\t\t\t *\n\t\t\t\t * Incorrect markers: `'$$'`, `'[@'`.\n\t\t\t\t *\n\t\t\t\t * See {@link module:mention/mention~MentionConfig}.\n\t\t\t\t *\n\t\t\t\t * @error mentionconfig-incorrect-marker\n\t\t\t\t * @param {String} marker Configured marker\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'mentionconfig-incorrect-marker', null, { marker } );\n\t\t\t}\n\n\t\t\tconst minimumCharacters = mentionDescription.minimumCharacters || 0;\n\t\t\tconst feedCallback = typeof feed == 'function' ? feed.bind( this.editor ) : createFeedCallback( feed );\n\t\t\tconst watcher = this._setupTextWatcherForFeed( marker, minimumCharacters );\n\t\t\tconst itemRenderer = mentionDescription.itemRenderer;\n\n\t\t\tconst definition = { watcher, marker, feedCallback, itemRenderer };\n\n\t\t\tthis._mentionsConfigurations.set( marker, definition );\n\t\t}\n\n\t\tthis.on( 'requestFeed:response', ( evt, data ) => this._handleFeedResponse( data ) );\n\t\tthis.on( 'requestFeed:error', () => this._hideUIAndRemoveMarker() );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed (see ckeditor5#1341).\n\t\tthis._mentionsView.destroy();\n\t}\n\n\t/**\n\t * Returns true when {@link #_mentionsView} is in the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon} and it is\n\t * currently visible.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _isUIVisible() {\n\t\treturn this._balloon.visibleView === this._mentionsView;\n\t}\n\n\t/**\n\t * Creates the {@link #_mentionsView}.\n\t *\n\t * @private\n\t * @returns {module:mention/ui/mentionsview~MentionsView}\n\t */\n\t_createMentionView() {\n\t\tconst locale = this.editor.locale;\n\n\t\tconst mentionsView = new MentionsView( locale );\n\n\t\tthis._items = new Collection();\n\n\t\tmentionsView.items.bindTo( this._items ).using( data => {\n\t\t\tconst { item, marker } = data;\n\n\t\t\tconst listItemView = new MentionListItemView( locale );\n\n\t\t\tconst view = this._renderItem( item, marker );\n\t\t\tview.delegate( 'execute' ).to( listItemView );\n\n\t\t\tlistItemView.children.add( view );\n\t\t\tlistItemView.item = item;\n\t\t\tlistItemView.marker = marker;\n\n\t\t\tlistItemView.on( 'execute', () => {\n\t\t\t\tmentionsView.fire( 'execute', {\n\t\t\t\t\titem,\n\t\t\t\t\tmarker\n\t\t\t\t} );\n\t\t\t} );\n\n\t\t\treturn listItemView;\n\t\t} );\n\n\t\tmentionsView.on( 'execute', ( evt, data ) => {\n\t\t\tconst editor = this.editor;\n\t\t\tconst model = editor.model;\n\n\t\t\tconst item = data.item;\n\t\t\tconst marker = data.marker;\n\n\t\t\tconst mentionMarker = editor.model.markers.get( 'mention' );\n\n\t\t\t// Create a range on matched text.\n\t\t\tconst end = model.createPositionAt( model.document.selection.focus );\n\t\t\tconst start = model.createPositionAt( mentionMarker.getStart() );\n\t\t\tconst range = model.createRange( start, end );\n\n\t\t\tthis._hideUIAndRemoveMarker();\n\n\t\t\teditor.execute( 'mention', {\n\t\t\t\tmention: item,\n\t\t\t\ttext: item.text,\n\t\t\t\tmarker,\n\t\t\t\trange\n\t\t\t} );\n\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\treturn mentionsView;\n\t}\n\n\t/**\n\t * Returns item renderer for the marker.\n\t *\n\t * @private\n\t * @param {String} marker\n\t * @returns {Function|null}\n\t */\n\t_getItemRenderer( marker ) {\n\t\tconst { itemRenderer } = this._mentionsConfigurations.get( marker );\n\n\t\treturn itemRenderer;\n\t}\n\n\t/**\n\t * Requests a feed from a configured callbacks.\n\t *\n\t * @private\n\t * @fires module:mention/mentionui~MentionUI#event:requestFeed:response\n\t * @fires module:mention/mentionui~MentionUI#event:requestFeed:discarded\n\t * @fires module:mention/mentionui~MentionUI#event:requestFeed:error\n\t * @param {String} marker\n\t * @param {String} feedText\n\t */\n\t_requestFeed( marker, feedText ) {\n\t\t// Store the last requested feed - it is used to discard any out-of order requests.\n\t\tthis._lastRequested = feedText;\n\n\t\tconst { feedCallback } = this._mentionsConfigurations.get( marker );\n\t\tconst feedResponse = feedCallback( feedText );\n\n\t\tconst isAsynchronous = feedResponse instanceof Promise;\n\n\t\t// For synchronous feeds (e.g. callbacks, arrays) fire the response event immediately.\n\t\tif ( !isAsynchronous ) {\n\t\t\t/**\n\t\t\t * Fired whenever requested feed has a response.\n\t\t\t *\n\t\t\t * @event requestFeed:response\n\t\t\t * @param {Object} data Event data.\n\t\t\t * @param {Array.<module:mention/mention~MentionFeedItem>} data.feed Autocomplete items.\n\t\t\t * @param {String} data.marker The character which triggers autocompletion for mention.\n\t\t\t * @param {String} data.feedText The text for which feed items were requested.\n\t\t\t */\n\t\t\tthis.fire( 'requestFeed:response', { feed: feedResponse, marker, feedText } );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Handle the asynchronous responses.\n\t\tfeedResponse\n\t\t\t.then( response => {\n\t\t\t\t// Check the feed text of this response with the last requested one so either:\n\t\t\t\tif ( this._lastRequested == feedText ) {\n\t\t\t\t\t// It is the same and fire the response event.\n\t\t\t\t\tthis.fire( 'requestFeed:response', { feed: response, marker, feedText } );\n\t\t\t\t} else {\n\t\t\t\t\t// It is different - most probably out-of-order one, so fire the discarded event.\n\t\t\t\t\t/**\n\t\t\t\t\t * Fired whenever the requested feed was discarded. This happens when the response was delayed and\n\t\t\t\t\t * other feed was already requested.\n\t\t\t\t\t *\n\t\t\t\t\t * @event requestFeed:discarded\n\t\t\t\t\t * @param {Object} data Event data.\n\t\t\t\t\t * @param {Array.<module:mention/mention~MentionFeedItem>} data.feed Autocomplete items.\n\t\t\t\t\t * @param {String} data.marker The character which triggers autocompletion for mention.\n\t\t\t\t\t * @param {String} data.feedText The text for which feed items were requested.\n\t\t\t\t\t */\n\t\t\t\t\tthis.fire( 'requestFeed:discarded', { feed: response, marker, feedText } );\n\t\t\t\t}\n\t\t\t} )\n\t\t\t.catch( error => {\n\t\t\t\t/**\n\t\t\t\t * Fired whenever the requested {@link module:mention/mention~MentionFeed#feed} promise fails with error.\n\t\t\t\t *\n\t\t\t\t * @event requestFeed:error\n\t\t\t\t * @param {Object} data Event data.\n\t\t\t\t * @param {Error} data.error The error that was caught.\n\t\t\t\t */\n\t\t\t\tthis.fire( 'requestFeed:error', { error } );\n\n\t\t\t\t/**\n\t\t\t\t * The callback used for obtaining mention autocomplete feed thrown and error and the mention UI was hidden or\n\t\t\t\t * not displayed at all.\n\t\t\t\t *\n\t\t\t\t * @error mention-feed-callback-error\n\t\t\t\t * @param {String} marker Configured marker for which error occurred.\n\t\t\t\t */\n\t\t\t\tlogWarning( 'mention-feed-callback-error', { marker } );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Registers a text watcher for the marker.\n\t *\n\t * @private\n\t * @param {String} marker\n\t * @param {Number} minimumCharacters\n\t * @returns {module:typing/textwatcher~TextWatcher}\n\t */\n\t_setupTextWatcherForFeed( marker, minimumCharacters ) {\n\t\tconst editor = this.editor;\n\n\t\tconst watcher = new TextWatcher( editor.model, createTestCallback( marker, minimumCharacters ) );\n\n\t\twatcher.on( 'matched', ( evt, data ) => {\n\t\t\tconst selection = editor.model.document.selection;\n\t\t\tconst focus = selection.focus;\n\n\t\t\tif ( hasExistingMention( focus ) ) {\n\t\t\t\tthis._hideUIAndRemoveMarker();\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst feedText = requestFeedText( marker, data.text );\n\t\t\tconst matchedTextLength = marker.length + feedText.length;\n\n\t\t\t// Create a marker range.\n\t\t\tconst start = focus.getShiftedBy( -matchedTextLength );\n\t\t\tconst end = focus.getShiftedBy( -feedText.length );\n\n\t\t\tconst markerRange = editor.model.createRange( start, end );\n\n\t\t\tif ( checkIfStillInCompletionMode( editor ) ) {\n\t\t\t\tconst mentionMarker = editor.model.markers.get( 'mention' );\n\n\t\t\t\t// Update the marker - user might've moved the selection to other mention trigger.\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.updateMarker( mentionMarker, { range: markerRange } );\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.addMarker( 'mention', { range: markerRange, usingOperation: false, affectsData: false } );\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\tthis._requestFeedDebounced( marker, feedText );\n\t\t} );\n\n\t\twatcher.on( 'unmatched', () => {\n\t\t\tthis._hideUIAndRemoveMarker();\n\t\t} );\n\n\t\tconst mentionCommand = editor.commands.get( 'mention' );\n\t\twatcher.bind( 'isEnabled' ).to( mentionCommand );\n\n\t\treturn watcher;\n\t}\n\n\t/**\n\t * Handles the feed response event data.\n\t *\n\t * @param data\n\t * @private\n\t */\n\t_handleFeedResponse( data ) {\n\t\tconst { feed, marker } = data;\n\n\t\t// If the marker is not in the document happens when the selection had changed and the 'mention' marker was removed.\n\t\tif ( !checkIfStillInCompletionMode( this.editor ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Reset the view.\n\t\tthis._items.clear();\n\n\t\tfor ( const feedItem of feed ) {\n\t\t\tconst item = typeof feedItem != 'object' ? { id: feedItem, text: feedItem } : feedItem;\n\n\t\t\tthis._items.add( { item, marker } );\n\t\t}\n\n\t\tconst mentionMarker = this.editor.model.markers.get( 'mention' );\n\n\t\tif ( this._items.length ) {\n\t\t\tthis._showOrUpdateUI( mentionMarker );\n\t\t} else {\n\t\t\t// Do not show empty mention UI.\n\t\t\tthis._hideUIAndRemoveMarker();\n\t\t}\n\t}\n\n\t/**\n\t * Shows the mentions balloon. If the panel is already visible, it will reposition it.\n\t *\n\t * @private\n\t */\n\t_showOrUpdateUI( markerMarker ) {\n\t\tif ( this._isUIVisible ) {\n\t\t\t// Update balloon position as the mention list view may change its size.\n\t\t\tthis._balloon.updatePosition( this._getBalloonPanelPositionData( markerMarker, this._mentionsView.position ) );\n\t\t} else {\n\t\t\tthis._balloon.add( {\n\t\t\t\tview: this._mentionsView,\n\t\t\t\tposition: this._getBalloonPanelPositionData( markerMarker, this._mentionsView.position ),\n\t\t\t\twithArrow: false,\n\t\t\t\tsingleViewMode: true\n\t\t\t} );\n\t\t}\n\n\t\tthis._mentionsView.position = this._balloon.view.position;\n\t\tthis._mentionsView.selectFirst();\n\t}\n\n\t/**\n\t * Hides the mentions balloon and removes the 'mention' marker from the markers collection.\n\t *\n\t * @private\n\t */\n\t_hideUIAndRemoveMarker() {\n\t\t// Remove the mention view from balloon before removing marker - it is used by balloon position target().\n\t\tif ( this._balloon.hasView( this._mentionsView ) ) {\n\t\t\tthis._balloon.remove( this._mentionsView );\n\t\t}\n\n\t\tif ( checkIfStillInCompletionMode( this.editor ) ) {\n\t\t\tthis.editor.model.change( writer => writer.removeMarker( 'mention' ) );\n\t\t}\n\n\t\t// Make the last matched position on panel view undefined so the #_getBalloonPanelPositionData() method will return all positions\n\t\t// on the next call.\n\t\tthis._mentionsView.position = undefined;\n\t}\n\n\t/**\n\t * Renders a single item in the autocomplete list.\n\t *\n\t * @private\n\t * @param {module:mention/mention~MentionFeedItem} item\n\t * @param {String} marker\n\t * @returns {module:ui/button/buttonview~ButtonView|module:mention/ui/domwrapperview~DomWrapperView}\n\t */\n\t_renderItem( item, marker ) {\n\t\tconst editor = this.editor;\n\n\t\tlet view;\n\t\tlet label = item.id;\n\n\t\tconst renderer = this._getItemRenderer( marker );\n\n\t\tif ( renderer ) {\n\t\t\tconst renderResult = renderer( item );\n\n\t\t\tif ( typeof renderResult != 'string' ) {\n\t\t\t\tview = new DomWrapperView( editor.locale, renderResult );\n\t\t\t} else {\n\t\t\t\tlabel = renderResult;\n\t\t\t}\n\t\t}\n\n\t\tif ( !view ) {\n\t\t\tconst buttonView = new ButtonView( editor.locale );\n\n\t\t\tbuttonView.label = label;\n\t\t\tbuttonView.withText = true;\n\n\t\t\tview = buttonView;\n\t\t}\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * Creates a position options object used to position the balloon panel.\n\t *\n\t * @param {module:engine/model/markercollection~Marker} mentionMarker\n\t * @param {String|undefined} preferredPosition The name of the last matched position name.\n\t * @returns {module:utils/dom/position~Options}\n\t * @private\n\t */\n\t_getBalloonPanelPositionData( mentionMarker, preferredPosition ) {\n\t\tconst editor = this.editor;\n\t\tconst editing = editor.editing;\n\t\tconst domConverter = editing.view.domConverter;\n\t\tconst mapper = editing.mapper;\n\n\t\treturn {\n\t\t\ttarget: () => {\n\t\t\t\tlet modelRange = mentionMarker.getRange();\n\n\t\t\t\t// Target the UI to the model selection range - the marker has been removed so probably the UI will not be shown anyway.\n\t\t\t\t// The logic is used by ContextualBalloon to display another panel in the same place.\n\t\t\t\tif ( modelRange.start.root.rootName == '$graveyard' ) {\n\t\t\t\t\tmodelRange = editor.model.document.selection.getFirstRange();\n\t\t\t\t}\n\n\t\t\t\tconst viewRange = mapper.toViewRange( modelRange );\n\t\t\t\tconst rangeRects = Rect.getDomRangeRects( domConverter.viewRangeToDom( viewRange ) );\n\n\t\t\t\treturn rangeRects.pop();\n\t\t\t},\n\t\t\tlimiter: () => {\n\t\t\t\tconst view = this.editor.editing.view;\n\t\t\t\tconst viewDocument = view.document;\n\t\t\t\tconst editableElement = viewDocument.selection.editableElement;\n\n\t\t\t\tif ( editableElement ) {\n\t\t\t\t\treturn view.domConverter.mapViewToDom( editableElement.root );\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\t\t\t},\n\t\t\tpositions: getBalloonPanelPositions( preferredPosition )\n\t\t};\n\t}\n}\n\n// Returns the balloon positions data callbacks.\n//\n// @param {String} preferredPosition\n// @returns {Array.<module:utils/dom/position~Position>}\nfunction getBalloonPanelPositions( preferredPosition ) {\n\tconst positions = {\n\t\t// Positions the panel to the southeast of the caret rectangle.\n\t\t'caret_se': targetRect => {\n\t\t\treturn {\n\t\t\t\ttop: targetRect.bottom + VERTICAL_SPACING,\n\t\t\t\tleft: targetRect.right,\n\t\t\t\tname: 'caret_se'\n\t\t\t};\n\t\t},\n\n\t\t// Positions the panel to the northeast of the caret rectangle.\n\t\t'caret_ne': ( targetRect, balloonRect ) => {\n\t\t\treturn {\n\t\t\t\ttop: targetRect.top - balloonRect.height - VERTICAL_SPACING,\n\t\t\t\tleft: targetRect.right,\n\t\t\t\tname: 'caret_ne'\n\t\t\t};\n\t\t},\n\n\t\t// Positions the panel to the southwest of the caret rectangle.\n\t\t'caret_sw': ( targetRect, balloonRect ) => {\n\t\t\treturn {\n\t\t\t\ttop: targetRect.bottom + VERTICAL_SPACING,\n\t\t\t\tleft: targetRect.right - balloonRect.width,\n\t\t\t\tname: 'caret_sw'\n\t\t\t};\n\t\t},\n\n\t\t// Positions the panel to the northwest of the caret rect.\n\t\t'caret_nw': ( targetRect, balloonRect ) => {\n\t\t\treturn {\n\t\t\t\ttop: targetRect.top - balloonRect.height - VERTICAL_SPACING,\n\t\t\t\tleft: targetRect.right - balloonRect.width,\n\t\t\t\tname: 'caret_nw'\n\t\t\t};\n\t\t}\n\t};\n\n\t// Returns only the last position if it was matched to prevent the panel from jumping after the first match.\n\tif ( Object.prototype.hasOwnProperty.call( positions, preferredPosition ) ) {\n\t\treturn [\n\t\t\tpositions[ preferredPosition ]\n\t\t];\n\t}\n\n\t// By default return all position callbacks.\n\treturn [\n\t\tpositions.caret_se,\n\t\tpositions.caret_sw,\n\t\tpositions.caret_ne,\n\t\tpositions.caret_nw\n\t];\n}\n\n// Creates a RegExp pattern for the marker.\n//\n// Function has to be exported to achieve 100% code coverage.\n//\n// @param {String} marker\n// @param {Number} minimumCharacters\n// @returns {RegExp}\nexport function createRegExp( marker, minimumCharacters ) {\n\tconst numberOfCharacters = minimumCharacters == 0 ? '*' : `{${ minimumCharacters },}`;\n\n\tconst openAfterCharacters = env.features.isRegExpUnicodePropertySupported ? '\\\\p{Ps}\\\\p{Pi}\"\\'' : '\\\\(\\\\[{\"\\'';\n\tconst mentionCharacters = '\\\\S';\n\n\t// The pattern consists of 3 groups:\n\t// - 0 (non-capturing): Opening sequence - start of the line, space or an opening punctuation character like \"(\" or \"\\\"\",\n\t// - 1: The marker character,\n\t// - 2: Mention input (taking the minimal length into consideration to trigger the UI),\n\t//\n\t// The pattern matches up to the caret (end of string switch - $).\n\t//               (0:      opening sequence       )(1:  marker   )(2:                typed mention                 )$\n\tconst pattern = `(?:^|[ ${ openAfterCharacters }])([${ marker }])([${ mentionCharacters }]${ numberOfCharacters })$`;\n\n\treturn new RegExp( pattern, 'u' );\n}\n\n// Creates a test callback for the marker to be used in the text watcher instance.\n//\n// @param {String} marker\n// @param {Number} minimumCharacters\n// @returns {Function}\nfunction createTestCallback( marker, minimumCharacters ) {\n\tconst regExp = createRegExp( marker, minimumCharacters );\n\n\treturn text => regExp.test( text );\n}\n\n// Creates a text matcher from the marker.\n//\n// @param {String} marker\n// @returns {Function}\nfunction requestFeedText( marker, text ) {\n\tconst regExp = createRegExp( marker, 0 );\n\n\tconst match = text.match( regExp );\n\n\treturn match[ 2 ];\n}\n\n// The default feed callback.\nfunction createFeedCallback( feedItems ) {\n\treturn feedText => {\n\t\tconst filteredItems = feedItems\n\t\t// Make the default mention feed case-insensitive.\n\t\t\t.filter( item => {\n\t\t\t\t// Item might be defined as object.\n\t\t\t\tconst itemId = typeof item == 'string' ? item : String( item.id );\n\n\t\t\t\t// The default feed is case insensitive.\n\t\t\t\treturn itemId.toLowerCase().includes( feedText.toLowerCase() );\n\t\t\t} )\n\t\t\t// Do not return more than 10 items.\n\t\t\t.slice( 0, 10 );\n\n\t\treturn filteredItems;\n\t};\n}\n\n// Checks if a given key code is handled by the mention UI.\n//\n// @param {Number}\n// @returns {Boolean}\nfunction isHandledKey( keyCode ) {\n\treturn handledKeyCodes.includes( keyCode );\n}\n\n// Checks if position in inside or right after a text with a mention.\n//\n// @param {module:engine/model/position~Position} position.\n// @returns {Boolean}\nfunction hasExistingMention( position ) {\n\t// The text watcher listens only to changed range in selection - so the selection attributes are not yet available\n\t// and you cannot use selection.hasAttribute( 'mention' ) just yet.\n\t// See https://github.com/ckeditor/ckeditor5-engine/issues/1723.\n\tconst hasMention = position.textNode && position.textNode.hasAttribute( 'mention' );\n\n\tconst nodeBefore = position.nodeBefore;\n\n\treturn hasMention || nodeBefore && nodeBefore.is( '$text' ) && nodeBefore.hasAttribute( 'mention' );\n}\n\n// Checks if string is a valid mention marker.\n//\n// @param {String} marker\n// @returns {Boolean}\nfunction isValidMentionMarker( marker ) {\n\treturn marker && marker.length == 1;\n}\n\n// Checks the mention plugins is in completion mode (e.g. when typing is after a valid mention string like @foo).\n//\n// @returns {Boolean}\nfunction checkIfStillInCompletionMode( editor ) {\n\treturn editor.model.markers.has( 'mention' );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize/imageresizecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { isImage } from '../image/utils';\n\n/**\n * The image resize command. Currently, it only supports the width attribute.\n *\n * @extends module:core/command~Command\n */\nexport default class ImageResizeCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst element = this.editor.model.document.selection.getSelectedElement();\n\n\t\tthis.isEnabled = isImage( element );\n\n\t\tif ( !element || !element.hasAttribute( 'width' ) ) {\n\t\t\tthis.value = null;\n\t\t} else {\n\t\t\tthis.value = {\n\t\t\t\twidth: element.getAttribute( 'width' ),\n\t\t\t\theight: null\n\t\t\t};\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t *\t\t// Sets the width to 50%:\n\t *\t\teditor.execute( 'imageResize', { width: '50%' } );\n\t *\n\t *\t\t// Removes the width attribute:\n\t *\t\teditor.execute( 'imageResize', { width: null } );\n\t *\n\t * @param {Object} options\n\t * @param {String|null} options.width The new width of the image.\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\t\tconst imageElement = model.document.selection.getSelectedElement();\n\n\t\tthis.value = {\n\t\t\twidth: options.width,\n\t\t\theight: null\n\t\t};\n\n\t\tif ( imageElement ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setAttribute( 'width', options.width, imageElement );\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize/imageresizeediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageResizeCommand from './imageresizecommand';\n\n/**\n * The image resize editing feature.\n *\n * It adds the ability to resize each image using handles or manually by\n * {@link module:image/imageresize/imageresizebuttons~ImageResizeButtons} buttons.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageResizeEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageResizeEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'image', {\n\t\t\tresizeUnit: '%',\n\t\t\tresizeOptions: [ {\n\t\t\t\tname: 'imageResize:original',\n\t\t\t\tvalue: null,\n\t\t\t\ticon: 'original'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'imageResize:25',\n\t\t\t\tvalue: '25',\n\t\t\t\ticon: 'small'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'imageResize:50',\n\t\t\t\tvalue: '50',\n\t\t\t\ticon: 'medium'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'imageResize:75',\n\t\t\t\tvalue: '75',\n\t\t\t\ticon: 'large'\n\t\t\t} ]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst command = new ImageResizeCommand( editor );\n\n\t\tthis._registerSchema();\n\t\tthis._registerConverters();\n\n\t\teditor.commands.add( 'imageResize', command );\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_registerSchema() {\n\t\tthis.editor.model.schema.extend( 'image', { allowAttributes: 'width' } );\n\t\tthis.editor.model.schema.setAttributeProperties( 'width', {\n\t\t\tisFormatting: true\n\t\t} );\n\t}\n\n\t/**\n\t * Registers image resize converters.\n\t *\n\t * @private\n\t */\n\t_registerConverters() {\n\t\tconst editor = this.editor;\n\n\t\t// Dedicated converter to propagate image's attribute to the img tag.\n\t\teditor.conversion.for( 'downcast' ).add( dispatcher =>\n\t\t\tdispatcher.on( 'attribute:width:image', ( evt, data, conversionApi ) => {\n\t\t\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\t\tconst figure = conversionApi.mapper.toViewElement( data.item );\n\n\t\t\t\tif ( data.attributeNewValue !== null ) {\n\t\t\t\t\tviewWriter.setStyle( 'width', data.attributeNewValue, figure );\n\t\t\t\t\tviewWriter.addClass( 'image_resized', figure );\n\t\t\t\t} else {\n\t\t\t\t\tviewWriter.removeStyle( 'width', figure );\n\t\t\t\t\tviewWriter.removeClass( 'image_resized', figure );\n\t\t\t\t}\n\t\t\t} )\n\t\t);\n\n\t\teditor.conversion.for( 'upcast' )\n\t\t\t.attributeToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'figure',\n\t\t\t\t\tstyles: {\n\t\t\t\t\t\twidth: /.+/\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\tmodel: {\n\t\t\t\t\tkey: 'width',\n\t\t\t\t\tvalue: viewElement => viewElement.getStyle( 'width' )\n\t\t\t\t}\n\t\t\t} );\n\t}\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"><path d=\\\"M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z\\\"/><path d=\\\"M7 10H2a2 2 0 0 0-2 2v4a2 2 0 0 0 2 2h5a2 2 0 0 0 2-2v-4a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v4a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5v-4a.5.5 0 0 1 .5-.5h5z\\\"/></svg>\";","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"><path d=\\\"M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z\\\"/><path d=\\\"M10 8H2a2 2 0 0 0-2 2v6a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2v-6a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5v-6a.5.5 0 0 1 .5-.5h8z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize/imageresizebuttons\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport ImageResizeEditing from './imageresizeediting';\nimport { createDropdown, addListToDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';\nimport DropdownButtonView from '@ckeditor/ckeditor5-ui/src/dropdown/button/dropdownbuttonview';\n\nimport Model from '@ckeditor/ckeditor5-ui/src/model';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\nimport iconSmall from '@ckeditor/ckeditor5-core/theme/icons/object-size-small.svg';\nimport iconMedium from '@ckeditor/ckeditor5-core/theme/icons/object-size-medium.svg';\nimport iconLarge from '@ckeditor/ckeditor5-core/theme/icons/object-size-large.svg';\nimport iconFull from '@ckeditor/ckeditor5-core/theme/icons/object-size-full.svg';\n\nconst RESIZE_ICONS = {\n\tsmall: iconSmall,\n\tmedium: iconMedium,\n\tlarge: iconLarge,\n\toriginal: iconFull\n};\n\n/**\n * The image resize buttons plugin.\n *\n * It adds a possibility to resize images using the toolbar dropdown or individual buttons, depending on the plugin configuration.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageResizeButtons extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageResizeEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageResizeButtons';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The resize unit.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @type {module:image/image~ImageConfig#resizeUnit}\n\t\t * @default '%'\n\t\t */\n\t\tthis._resizeUnit = editor.config.get( 'image.resizeUnit' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst options = editor.config.get( 'image.resizeOptions' );\n\t\tconst command = editor.commands.get( 'imageResize' );\n\n\t\tthis.bind( 'isEnabled' ).to( command );\n\n\t\tfor ( const option of options ) {\n\t\t\tthis._registerImageResizeButton( option );\n\t\t}\n\n\t\tthis._registerImageResizeDropdown( options );\n\t}\n\n\t/**\n\t * A helper function that creates a standalone button component for the plugin.\n\t *\n\t * @private\n\t * @param {module:image/imageresize/imageresizebuttons~ImageResizeOption} resizeOption A model of the resize option.\n\t */\n\t_registerImageResizeButton( option ) {\n\t\tconst editor = this.editor;\n\t\tconst { name, value, icon } = option;\n\t\tconst optionValueWithUnit = value ? value + this._resizeUnit : null;\n\n\t\teditor.ui.componentFactory.add( name, locale => {\n\t\t\tconst button = new ButtonView( locale );\n\t\t\tconst command = editor.commands.get( 'imageResize' );\n\t\t\tconst labelText = this._getOptionLabelValue( option, true );\n\n\t\t\tif ( !RESIZE_ICONS[ icon ] ) {\n\t\t\t\t/**\n\t\t\t\t * When configuring {@link module:image/image~ImageConfig#resizeOptions `config.image.resizeOptions`} for standalone\n\t\t\t\t * buttons, a valid `icon` token must be set for each option.\n\t\t\t\t *\n\t\t\t\t * See all valid options described in the\n\t\t\t\t * {@link module:image/imageresize/imageresizebuttons~ImageResizeOption plugin configuration}.\n\t\t\t\t *\n\t\t\t\t * @error imageresizebuttons-missing-icon\n\t\t\t\t * @param {module:image/imageresize/imageresizebuttons~ImageResizeOption} option Invalid image resize option.\n\t\t\t\t*/\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'imageresizebuttons-missing-icon',\n\t\t\t\t\teditor,\n\t\t\t\t\toption\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tbutton.set( {\n\t\t\t\t// Use the `label` property for a verbose description (because of ARIA).\n\t\t\t\tlabel: labelText,\n\t\t\t\ticon: RESIZE_ICONS[ icon ],\n\t\t\t\ttooltip: labelText,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\t// Bind button to the command.\n\t\t\tbutton.bind( 'isEnabled' ).to( this );\n\t\t\tbutton.bind( 'isOn' ).to( command, 'value', getIsOnButtonCallback( optionValueWithUnit ) );\n\n\t\t\tthis.listenTo( button, 'execute', () => {\n\t\t\t\teditor.execute( 'imageResize', { width: optionValueWithUnit } );\n\t\t\t} );\n\n\t\t\treturn button;\n\t\t} );\n\t}\n\n\t/**\n\t * A helper function that creates a dropdown component for the plugin containing all the resize options defined in\n\t * the editor configuration.\n\t *\n\t * @private\n\t * @param {Array.<module:image/imageresize/imageresizebuttons~ImageResizeOption>} options An array of configured options.\n\t */\n\t_registerImageResizeDropdown( options ) {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst originalSizeOption = options.find( option => !option.value );\n\n\t\t// Register dropdown.\n\t\teditor.ui.componentFactory.add( 'imageResize', locale => {\n\t\t\tconst command = editor.commands.get( 'imageResize' );\n\t\t\tconst dropdownView = createDropdown( locale, DropdownButtonView );\n\t\t\tconst dropdownButton = dropdownView.buttonView;\n\n\t\t\tdropdownButton.set( {\n\t\t\t\ttooltip: t( 'Resize image' ),\n\t\t\t\tcommandValue: originalSizeOption.value,\n\t\t\t\ticon: iconMedium,\n\t\t\t\tisToggleable: true,\n\t\t\t\tlabel: this._getOptionLabelValue( originalSizeOption ),\n\t\t\t\twithText: true,\n\t\t\t\tclass: 'ck-resize-image-button'\n\t\t\t} );\n\n\t\t\tdropdownButton.bind( 'label' ).to( command, 'value', commandValue => {\n\t\t\t\tif ( commandValue && commandValue.width ) {\n\t\t\t\t\treturn commandValue.width;\n\t\t\t\t} else {\n\t\t\t\t\treturn this._getOptionLabelValue( originalSizeOption );\n\t\t\t\t}\n\t\t\t} );\n\t\t\tdropdownView.bind( 'isOn' ).to( command );\n\t\t\tdropdownView.bind( 'isEnabled' ).to( this );\n\n\t\t\taddListToDropdown( dropdownView, this._getResizeDropdownListItemDefinitions( options, command ) );\n\n\t\t\tdropdownView.listView.ariaLabel = t( 'Image resize list' );\n\n\t\t\t// Execute command when an item from the dropdown is selected.\n\t\t\tthis.listenTo( dropdownView, 'execute', evt => {\n\t\t\t\teditor.execute( evt.source.commandName, { width: evt.source.commandValue } );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn dropdownView;\n\t\t} );\n\t}\n\n\t/**\n\t * A helper function for creating an option label value string.\n\t *\n\t * @private\n\t * @param {module:image/imageresize/imageresizebuttons~ImageResizeOption} option A resize option object.\n\t * @param {Boolean} [forTooltip] An optional flag for creating a tooltip label.\n\t * @returns {String} A user-defined label combined from the numeric value and the resize unit or the default label\n\t * for reset options (`Original`).\n\t */\n\t_getOptionLabelValue( option, forTooltip ) {\n\t\tconst t = this.editor.t;\n\n\t\tif ( option.label ) {\n\t\t\treturn option.label;\n\t\t} else if ( forTooltip ) {\n\t\t\tif ( option.value ) {\n\t\t\t\treturn t( 'Resize image to %0', option.value + this._resizeUnit );\n\t\t\t} else {\n\t\t\t\treturn t( 'Resize image to the original size' );\n\t\t\t}\n\t\t} else {\n\t\t\tif ( option.value ) {\n\t\t\t\treturn option.value + this._resizeUnit;\n\t\t\t} else {\n\t\t\t\treturn t( 'Original' );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * A helper function that parses the resize options and returns list item definitions ready for use in the dropdown.\n\t *\n\t * @private\n\t * @param {Array.<module:image/imageresize/imageresizebuttons~ImageResizeOption>} options The resize options.\n\t * @param {module:image/imageresize/imageresizecommand~ImageResizeCommand} command The resize image command.\n\t * @returns {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>} Dropdown item definitions.\n\t */\n\t_getResizeDropdownListItemDefinitions( options, command ) {\n\t\tconst itemDefinitions = new Collection();\n\n\t\toptions.map( option => {\n\t\t\tconst optionValueWithUnit = option.value ? option.value + this._resizeUnit : null;\n\t\t\tconst definition = {\n\t\t\t\ttype: 'button',\n\t\t\t\tmodel: new Model( {\n\t\t\t\t\tcommandName: 'imageResize',\n\t\t\t\t\tcommandValue: optionValueWithUnit,\n\t\t\t\t\tlabel: this._getOptionLabelValue( option ),\n\t\t\t\t\twithText: true,\n\t\t\t\t\ticon: null\n\t\t\t\t} )\n\t\t\t};\n\n\t\t\tdefinition.model.bind( 'isOn' ).to( command, 'value', getIsOnButtonCallback( optionValueWithUnit ) );\n\n\t\t\titemDefinitions.add( definition );\n\t\t} );\n\n\t\treturn itemDefinitions;\n\t}\n}\n\n// A helper function for setting the `isOn` state of buttons in value bindings.\nfunction getIsOnButtonCallback( value ) {\n\treturn commandValue => {\n\t\tif ( value === null && commandValue === value ) {\n\t\t\treturn true;\n\t\t}\n\n\t\treturn commandValue && commandValue.width === value;\n\t};\n}\n\n/**\n * The image resize option used in the {@link module:image/image~ImageConfig#resizeOptions image resize configuration}.\n *\n * @typedef {Object} module:image/imageresize/imageresizebuttons~ImageResizeOption\n * @property {String} name The name of the UI component that changes the image size.\n * * If you configure the feature using individual resize buttons, you can refer to this name in the\n * {@link module:image/image~ImageConfig#toolbar image toolbar configuration}.\n * * If you configure the feature using the resize dropdown, this name will be used for a list item in the dropdown.\n * @property {String} value The value of the resize option without the unit\n * ({@link module:image/image~ImageConfig#resizeUnit configured separately}). `null` resets an image to its original size.\n * @property {String} [resizeOptions.icon] An icon used by an individual resize button (see the `name` property to learn more).\n * Available icons are: `'small'`, `'medium'`, `'large'`, `'original'`.\n * @property {String} [label] An option label displayed in the dropdown or, if the feature is configured using\n * individual buttons, a {@link module:ui/button/buttonview~ButtonView#tooltip} and an ARIA attribute of a button.\n * If not specified, the label is generated automatically based on the `value` option and the\n * {@link module:image/image~ImageConfig#resizeUnit `config.image.resizeUnit`}.\n */\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"><path d=\\\"M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z\\\"/><path d=\\\"M13 6H2a2 2 0 0 0-2 2v8a2 2 0 0 0 2 2h11a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v8a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5V8a.5.5 0 0 1 .5-.5h11z\\\"/></svg>\";","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"><path d=\\\"M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z\\\"/><path d=\\\"M18.095 2H1.905C.853 2 0 2.895 0 4v12c0 1.105.853 2 1.905 2h16.19C19.147 18 20 17.105 20 16V4c0-1.105-.853-2-1.905-2zm0 1.5c.263 0 .476.224.476.5v12c0 .276-.213.5-.476.5H1.905a.489.489 0 0 1-.476-.5V4c0-.276.213-.5.476-.5h16.19z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgetresize/resizerstate\n */\n\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Stores the internal state of a single resizable object.\n *\n */\nexport default class ResizeState {\n\t/**\n\t * @param {module:widget/widgetresize~ResizerOptions} options Resizer options.\n\t */\n\tconstructor( options ) {\n\t\t/**\n\t\t * The original width (pixels) of the resized object when the resize process was started.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #originalWidth\n\t\t */\n\n\t\t/**\n\t\t * The original height (pixels) of the resized object when the resize process was started.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #originalHeight\n\t\t */\n\n\t\t/**\n\t\t * The original width (percents) of the resized object when the resize process was started.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #originalWidthPercents\n\t\t */\n\n\t\t/**\n\t\t * The position of the handle that initiated the resizing. E.g. `\"top-left\"`, `\"bottom-right\"` etc. or `null`\n\t\t * if unknown.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {String|null} #activeHandlePosition\n\t\t */\n\t\tthis.set( 'activeHandlePosition', null );\n\n\t\t/**\n\t\t * The width (percents) proposed, but not committed yet, in the current resize process.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #proposedWidthPercents\n\t\t */\n\t\tthis.set( 'proposedWidthPercents', null );\n\n\t\t/**\n\t\t * The width (pixels) proposed, but not committed yet, in the current resize process.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #proposedWidthPixels\n\t\t */\n\t\tthis.set( 'proposedWidth', null );\n\n\t\t/**\n\t\t * The height (pixels) proposed, but not committed yet, in the current resize process.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #proposedHeightPixels\n\t\t */\n\t\tthis.set( 'proposedHeight', null );\n\n\t\tthis.set( 'proposedHandleHostWidth', null );\n\t\tthis.set( 'proposedHandleHostHeight', null );\n\n\t\t/**\n\t\t * A width to height ratio of the resized image.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #aspectRatio\n\t\t */\n\n\t\t/**\n\t\t * @private\n\t\t * @type {module:widget/widgetresize~ResizerOptions}\n\t\t */\n\t\tthis._options = options;\n\n\t\t/**\n\t\t * The reference point of the resizer where the dragging started. It is used to measure the distance the user cursor\n\t\t * traveled, so how much the image should be enlarged.\n\t\t * This information is only known after the DOM was rendered, so it will be updated later.\n\t\t *\n\t\t * @private\n\t\t * @type {Object}\n\t\t */\n\t\tthis._referenceCoordinates = null;\n\t}\n\n\t/**\n\t *\n\t * @param {HTMLElement} domResizeHandle The handle used to calculate the reference point.\n\t * @param {HTMLElement} domHandleHost\n\t * @param {HTMLElement} domResizeHost\n\t */\n\tbegin( domResizeHandle, domHandleHost, domResizeHost ) {\n\t\tconst clientRect = new Rect( domHandleHost );\n\n\t\tthis.activeHandlePosition = getHandlePosition( domResizeHandle );\n\n\t\tthis._referenceCoordinates = getAbsoluteBoundaryPoint( domHandleHost, getOppositePosition( this.activeHandlePosition ) );\n\n\t\tthis.originalWidth = clientRect.width;\n\t\tthis.originalHeight = clientRect.height;\n\n\t\tthis.aspectRatio = clientRect.width / clientRect.height;\n\n\t\tconst widthStyle = domResizeHost.style.width;\n\n\t\tif ( widthStyle && widthStyle.match( /^\\d+\\.?\\d*%$/ ) ) {\n\t\t\tthis.originalWidthPercents = parseFloat( widthStyle );\n\t\t} else {\n\t\t\tthis.originalWidthPercents = calculateHostPercentageWidth( domResizeHost, clientRect );\n\t\t}\n\t}\n\n\tupdate( newSize ) {\n\t\tthis.proposedWidth = newSize.width;\n\t\tthis.proposedHeight = newSize.height;\n\t\tthis.proposedWidthPercents = newSize.widthPercents;\n\n\t\tthis.proposedHandleHostWidth = newSize.handleHostWidth;\n\t\tthis.proposedHandleHostHeight = newSize.handleHostHeight;\n\t}\n}\n\nmix( ResizeState, ObservableMixin );\n\n// Calculates a relative width of a `domResizeHost` compared to it's parent in percents.\n//\n// @private\n// @param {HTMLElement} domResizeHost\n// @param {module:utils/dom/rect~Rect} resizeHostRect\n// @returns {Number}\nfunction calculateHostPercentageWidth( domResizeHost, resizeHostRect ) {\n\tconst domResizeHostParent = domResizeHost.parentElement;\n\t// Need to use computed style as it properly excludes parent's paddings from the returned value.\n\tconst parentWidth = parseFloat( domResizeHostParent.ownerDocument.defaultView.getComputedStyle( domResizeHostParent ).width );\n\n\treturn resizeHostRect.width / parentWidth * 100;\n}\n\n// Returns coordinates of the top-left corner of an element, relative to the document's top-left corner.\n//\n// @private\n// @param {HTMLElement} element\n// @param {String} resizerPosition The position of the resize handle, e.g. `\"top-left\"`, `\"bottom-right\"`.\n// @returns {Object} return\n// @returns {Number} return.x\n// @returns {Number} return.y\nfunction getAbsoluteBoundaryPoint( element, resizerPosition ) {\n\tconst elementRect = new Rect( element );\n\tconst positionParts = resizerPosition.split( '-' );\n\tconst ret = {\n\t\tx: positionParts[ 1 ] == 'right' ? elementRect.right : elementRect.left,\n\t\ty: positionParts[ 0 ] == 'bottom' ? elementRect.bottom : elementRect.top\n\t};\n\n\tret.x += element.ownerDocument.defaultView.scrollX;\n\tret.y += element.ownerDocument.defaultView.scrollY;\n\n\treturn ret;\n}\n\n// @private\n// @param {String} resizerPosition The expected resizer position, like `\"top-left\"`, `\"bottom-right\"`.\n// @returns {String} A prefixed HTML class name for the resizer element.\nfunction getResizerHandleClass( resizerPosition ) {\n\treturn `ck-widget__resizer__handle-${ resizerPosition }`;\n}\n\n// Determines the position of a given resize handle.\n//\n// @private\n// @param {HTMLElement} domHandle Handle used to calculate the reference point.\n// @returns {String|undefined} Returns a string like `\"top-left\"` or `undefined` if not matched.\nfunction getHandlePosition( domHandle ) {\n\tconst resizerPositions = [ 'top-left', 'top-right', 'bottom-right', 'bottom-left' ];\n\n\tfor ( const position of resizerPositions ) {\n\t\tif ( domHandle.classList.contains( getResizerHandleClass( position ) ) ) {\n\t\t\treturn position;\n\t\t}\n\t}\n}\n\n// @private\n// @param {String} position Like `\"top-left\"`.\n// @returns {String} Inverted `position`, e.g. it returns `\"bottom-right\"` if `\"top-left\"` was given as `position`.\nfunction getOppositePosition( position ) {\n\tconst parts = position.split( '-' );\n\tconst replacements = {\n\t\ttop: 'bottom',\n\t\tbottom: 'top',\n\t\tleft: 'right',\n\t\tright: 'left'\n\t};\n\n\treturn `${ replacements[ parts[ 0 ] ] }-${ replacements[ parts[ 1 ] ] }`;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgetresize/resizer\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\nimport Template from '@ckeditor/ckeditor5-ui/src/template';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\nimport ResizeState from './resizerstate';\n\n/**\n * Represents a resizer for a single resizable object.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Resizer {\n\t/**\n\t * @param {module:widget/widgetresize~ResizerOptions} options Resizer options.\n\t */\n\tconstructor( options ) {\n\t\t/**\n\t\t * Stores the state of the resizable host geometry, such as the original width, the currently proposed height, etc.\n\t\t *\n\t\t * Note that a new state is created for each resize transaction.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:widget/widgetresize/resizerstate~ResizerState} #state\n\t\t */\n\n\t\t/**\n\t\t * A view displaying the proposed new element size during the resizing.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @member {module:widget/widgetresize/resizer~SizeView} #_sizeUI\n\t\t */\n\n\t\t/**\n\t\t * Options passed to the {@link #constructor}.\n\t\t *\n\t\t * @private\n\t\t * @type {module:widget/widgetresize~ResizerOptions}\n\t\t */\n\t\tthis._options = options;\n\n\t\t/**\n\t\t * Container of the entire resize UI.\n\t\t *\n\t\t * Note that this property is initialized only after the element bound with the resizer is drawn\n\t\t * so it will be a `null` when uninitialized.\n\t\t *\n\t\t * @private\n\t\t * @type {HTMLElement|null}\n\t\t */\n\t\tthis._domResizerWrapper = null;\n\n\t\t/**\n\t\t * A wrapper that is controlled by the resizer. This is usually a widget element.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/view/element~Element|null}\n\t\t */\n\t\tthis._viewResizerWrapper = null;\n\n\t\t/**\n\t\t * The width of the resized {@link module:widget/widgetresize~ResizerOptions#viewElement viewElement} before the resizing started.\n\t\t *\n\t\t * @private\n\t\t * @member {Number|String|undefined} #_initialViewWidth\n\t\t */\n\n\t\t/**\n\t\t * @observable\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\tthis.decorate( 'begin' );\n\t\tthis.decorate( 'cancel' );\n\t\tthis.decorate( 'commit' );\n\t\tthis.decorate( 'updateSize' );\n\n\t\tthis.on( 'commit', event => {\n\t\t\t// State might not be initialized yet. In this case, prevent further handling and make sure that the resizer is\n\t\t\t// cleaned up (#5195).\n\t\t\tif ( !this.state.proposedWidth && !this.state.proposedWidthPercents ) {\n\t\t\t\tthis._cleanup();\n\t\t\t\tevent.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\tthis.on( 'change:isEnabled', () => {\n\t\t\t// We should redraw the resize handles when the plugin is enabled again.\n\t\t\t// Otherwise they won't show up.\n\t\t\tif ( this.isEnabled ) {\n\t\t\t\tthis.redraw();\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Attaches the resizer to the DOM.\n\t */\n\tattach() {\n\t\tconst that = this;\n\t\tconst widgetElement = this._options.viewElement;\n\t\tconst editingView = this._options.editor.editing.view;\n\n\t\teditingView.change( writer => {\n\t\t\tconst viewResizerWrapper = writer.createUIElement( 'div', {\n\t\t\t\tclass: 'ck ck-reset_all ck-widget__resizer'\n\t\t\t}, function( domDocument ) {\n\t\t\t\tconst domElement = this.toDomElement( domDocument );\n\n\t\t\t\tthat._appendHandles( domElement );\n\t\t\t\tthat._appendSizeUI( domElement );\n\n\t\t\t\tthat._domResizerWrapper = domElement;\n\n\t\t\t\tthat.on( 'change:isEnabled', ( evt, propName, newValue ) => {\n\t\t\t\t\tdomElement.style.display = newValue ? '' : 'none';\n\t\t\t\t} );\n\n\t\t\t\tdomElement.style.display = that.isEnabled ? '' : 'none';\n\n\t\t\t\treturn domElement;\n\t\t\t} );\n\n\t\t\t// Append the resizer wrapper to the widget's wrapper.\n\t\t\twriter.insert( writer.createPositionAt( widgetElement, 'end' ), viewResizerWrapper );\n\t\t\twriter.addClass( 'ck-widget_with-resizer', widgetElement );\n\n\t\t\tthis._viewResizerWrapper = viewResizerWrapper;\n\t\t} );\n\t}\n\n\t/**\n\t * Starts the resizing process.\n\t *\n\t * Creates a new {@link #state} for the current process.\n\t *\n\t * @fires begin\n\t * @param {HTMLElement} domResizeHandle Clicked handle.\n\t */\n\tbegin( domResizeHandle ) {\n\t\tthis.state = new ResizeState( this._options );\n\n\t\tthis._sizeUI.bindToState( this._options, this.state );\n\n\t\tthis._initialViewWidth = this._options.viewElement.getStyle( 'width' );\n\n\t\tthis.state.begin( domResizeHandle, this._getHandleHost(), this._getResizeHost() );\n\t}\n\n\t/**\n\t * Updates the proposed size based on `domEventData`.\n\t *\n\t * @fires updateSize\n\t * @param {Event} domEventData\n\t */\n\tupdateSize( domEventData ) {\n\t\tconst newSize = this._proposeNewSize( domEventData );\n\t\tconst editingView = this._options.editor.editing.view;\n\n\t\teditingView.change( writer => {\n\t\t\tconst unit = this._options.unit || '%';\n\t\t\tconst newWidth = ( unit === '%' ? newSize.widthPercents : newSize.width ) + unit;\n\n\t\t\twriter.setStyle( 'width', newWidth, this._options.viewElement );\n\t\t} );\n\n\t\t// Get an actual image width, and:\n\t\t// * reflect this size to the resize wrapper\n\t\t// * apply this **real** size to the state\n\t\tconst domHandleHost = this._getHandleHost();\n\t\tconst domHandleHostRect = new Rect( domHandleHost );\n\n\t\tnewSize.handleHostWidth = Math.round( domHandleHostRect.width );\n\t\tnewSize.handleHostHeight = Math.round( domHandleHostRect.height );\n\n\t\t// Handle max-width limitation.\n\t\tconst domResizeHostRect = new Rect( domHandleHost );\n\n\t\tnewSize.width = Math.round( domResizeHostRect.width );\n\t\tnewSize.height = Math.round( domResizeHostRect.height );\n\n\t\tthis.redraw( domHandleHostRect );\n\n\t\tthis.state.update( newSize );\n\t}\n\n\t/**\n\t * Applies the geometry proposed with the resizer.\n\t *\n\t * @fires commit\n\t */\n\tcommit() {\n\t\tconst unit = this._options.unit || '%';\n\t\tconst newValue = ( unit === '%' ? this.state.proposedWidthPercents : this.state.proposedWidth ) + unit;\n\n\t\t// Both cleanup and onCommit callback are very likely to make view changes. Ensure that it is made in a single step.\n\t\tthis._options.editor.editing.view.change( () => {\n\t\t\tthis._cleanup();\n\t\t\tthis._options.onCommit( newValue );\n\t\t} );\n\t}\n\n\t/**\n\t * Cancels and rejects the proposed resize dimensions, hiding the UI.\n\t *\n\t * @fires cancel\n\t */\n\tcancel() {\n\t\tthis._cleanup();\n\t}\n\n\t/**\n\t * Destroys the resizer.\n\t */\n\tdestroy() {\n\t\tthis.cancel();\n\t}\n\n\t/**\n\t * Redraws the resizer.\n\t *\n\t * @param {module:utils/dom/rect~Rect} [handleHostRect] Handle host rectangle might be given to improve performance.\n\t */\n\tredraw( handleHostRect ) {\n\t\tconst domWrapper = this._domResizerWrapper;\n\n\t\t// Refresh only if resizer exists in the DOM.\n\t\tif ( !existsInDom( domWrapper ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst widgetWrapper = domWrapper.parentElement;\n\t\tconst handleHost = this._getHandleHost();\n\t\tconst resizerWrapper = this._viewResizerWrapper;\n\t\tconst currentDimensions = [\n\t\t\tresizerWrapper.getStyle( 'width' ),\n\t\t\tresizerWrapper.getStyle( 'height' ),\n\t\t\tresizerWrapper.getStyle( 'left' ),\n\t\t\tresizerWrapper.getStyle( 'top' )\n\t\t];\n\t\tlet newDimensions;\n\n\t\tif ( widgetWrapper.isSameNode( handleHost ) ) {\n\t\t\tconst clientRect = handleHostRect || new Rect( handleHost );\n\n\t\t\tnewDimensions = [\n\t\t\t\tclientRect.width + 'px',\n\t\t\t\tclientRect.height + 'px',\n\t\t\t\tundefined,\n\t\t\t\tundefined\n\t\t\t];\n\t\t}\n\t\t// In case a resizing host is not a widget wrapper, we need to compensate\n\t\t// for any additional offsets the resize host might have. E.g. wrapper padding\n\t\t// or simply another editable. By doing that the border and resizers are shown\n\t\t// only around the resize host.\n\t\telse {\n\t\t\tnewDimensions = [\n\t\t\t\thandleHost.offsetWidth + 'px',\n\t\t\t\thandleHost.offsetHeight + 'px',\n\t\t\t\thandleHost.offsetLeft + 'px',\n\t\t\t\thandleHost.offsetTop + 'px'\n\t\t\t];\n\t\t}\n\n\t\t// Make changes to the view only if the resizer should actually get new dimensions.\n\t\t// Otherwise, if View#change() was always called, this would cause EditorUI#update\n\t\t// loops because the WidgetResize plugin listens to EditorUI#update and updates\n\t\t// the resizer.\n\t\t// https://github.com/ckeditor/ckeditor5/issues/7633\n\t\tif ( compareArrays( currentDimensions, newDimensions ) !== 'same' ) {\n\t\t\tthis._options.editor.editing.view.change( writer => {\n\t\t\t\twriter.setStyle( {\n\t\t\t\t\twidth: newDimensions[ 0 ],\n\t\t\t\t\theight: newDimensions[ 1 ],\n\t\t\t\t\tleft: newDimensions[ 2 ],\n\t\t\t\t\ttop: newDimensions[ 3 ]\n\t\t\t\t}, resizerWrapper );\n\t\t\t} );\n\t\t}\n\t}\n\n\tcontainsHandle( domElement ) {\n\t\treturn this._domResizerWrapper.contains( domElement );\n\t}\n\n\tstatic isResizeHandle( domElement ) {\n\t\treturn domElement.classList.contains( 'ck-widget__resizer__handle' );\n\t}\n\n\t/**\n\t * Cleans up the context state.\n\t *\n\t * @protected\n\t */\n\t_cleanup() {\n\t\tthis._sizeUI.dismiss();\n\t\tthis._sizeUI.isVisible = false;\n\n\t\tconst editingView = this._options.editor.editing.view;\n\n\t\teditingView.change( writer => {\n\t\t\twriter.setStyle( 'width', this._initialViewWidth, this._options.viewElement );\n\t\t} );\n\t}\n\n\t/**\n\t * Calculates the proposed size as the resize handles are dragged.\n\t *\n\t * @private\n\t * @param {Event} domEventData Event data that caused the size update request. It should be used to calculate the proposed size.\n\t * @returns {Object} return\n\t * @returns {Number} return.width Proposed width.\n\t * @returns {Number} return.height Proposed height.\n\t */\n\t_proposeNewSize( domEventData ) {\n\t\tconst state = this.state;\n\t\tconst currentCoordinates = extractCoordinates( domEventData );\n\t\tconst isCentered = this._options.isCentered ? this._options.isCentered( this ) : true;\n\n\t\t// Enlargement defines how much the resize host has changed in a given axis. Naturally it could be a negative number\n\t\t// meaning that it has been shrunk.\n\t\t//\n\t\t// +----------------+--+\n\t\t// |                |  |\n\t\t// |       img      |  |\n\t\t// |  /handle host  |  |\n\t\t// +----------------+  | ^\n\t\t// |                   | | - enlarge y\n\t\t// +-------------------+ v\n\t\t// \t\t\t\t\t<-->\n\t\t// \t\t\t\t\t enlarge x\n\t\tconst enlargement = {\n\t\t\tx: state._referenceCoordinates.x - ( currentCoordinates.x + state.originalWidth ),\n\t\t\ty: ( currentCoordinates.y - state.originalHeight ) - state._referenceCoordinates.y\n\t\t};\n\n\t\tif ( isCentered && state.activeHandlePosition.endsWith( '-right' ) ) {\n\t\t\tenlargement.x = currentCoordinates.x - ( state._referenceCoordinates.x + state.originalWidth );\n\t\t}\n\n\t\t// Objects needs to be resized twice as much in horizontal axis if centered, since enlargement is counted from\n\t\t// one resized corner to your cursor. It needs to be duplicated to compensate for the other side too.\n\t\tif ( isCentered ) {\n\t\t\tenlargement.x *= 2;\n\t\t}\n\n\t\t// const resizeHost = this._getResizeHost();\n\n\t\t// The size proposed by the user. It does not consider the aspect ratio.\n\t\tconst proposedSize = {\n\t\t\twidth: Math.abs( state.originalWidth + enlargement.x ),\n\t\t\theight: Math.abs( state.originalHeight + enlargement.y )\n\t\t};\n\n\t\t// Dominant determination must take the ratio into account.\n\t\tproposedSize.dominant = proposedSize.width / state.aspectRatio > proposedSize.height ? 'width' : 'height';\n\t\tproposedSize.max = proposedSize[ proposedSize.dominant ];\n\n\t\t// Proposed size, respecting the aspect ratio.\n\t\tconst targetSize = {\n\t\t\twidth: proposedSize.width,\n\t\t\theight: proposedSize.height\n\t\t};\n\n\t\tif ( proposedSize.dominant == 'width' ) {\n\t\t\ttargetSize.height = targetSize.width / state.aspectRatio;\n\t\t} else {\n\t\t\ttargetSize.width = targetSize.height * state.aspectRatio;\n\t\t}\n\n\t\treturn {\n\t\t\twidth: Math.round( targetSize.width ),\n\t\t\theight: Math.round( targetSize.height ),\n\t\t\twidthPercents: Math.min( Math.round( state.originalWidthPercents / state.originalWidth * targetSize.width * 100 ) / 100, 100 )\n\t\t};\n\t}\n\n\t/**\n\t * Obtains the resize host.\n\t *\n\t * Resize host is an object that receives dimensions which are the result of resizing.\n\t *\n\t * @protected\n\t * @returns {HTMLElement}\n\t */\n\t_getResizeHost() {\n\t\tconst widgetWrapper = this._domResizerWrapper.parentElement;\n\n\t\treturn this._options.getResizeHost( widgetWrapper );\n\t}\n\n\t/**\n\t * Obtains the handle host.\n\t *\n\t * Handle host is an object that the handles are aligned to.\n\t *\n\t * Handle host will not always be an entire widget itself. Take an image as an example. The image widget\n\t * contains an image and a caption. Only the image should be surrounded with handles.\n\t *\n\t * @protected\n\t * @returns {HTMLElement}\n\t */\n\t_getHandleHost() {\n\t\tconst widgetWrapper = this._domResizerWrapper.parentElement;\n\n\t\treturn this._options.getHandleHost( widgetWrapper );\n\t}\n\n\t/**\n\t * Renders the resize handles in the DOM.\n\t *\n\t * @private\n\t * @param {HTMLElement} domElement The resizer wrapper.\n\t */\n\t_appendHandles( domElement ) {\n\t\tconst resizerPositions = [ 'top-left', 'top-right', 'bottom-right', 'bottom-left' ];\n\n\t\tfor ( const currentPosition of resizerPositions ) {\n\t\t\tdomElement.appendChild( ( new Template( {\n\t\t\t\ttag: 'div',\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: `ck-widget__resizer__handle ${ getResizerClass( currentPosition ) }`\n\t\t\t\t}\n\t\t\t} ).render() ) );\n\t\t}\n\t}\n\n\t/**\n\t * Sets up the {@link #_sizeUI} property and adds it to the passed `domElement`.\n\t *\n\t * @private\n\t * @param {HTMLElement} domElement\n\t */\n\t_appendSizeUI( domElement ) {\n\t\tconst sizeUI = new SizeView();\n\n\t\t// Make sure icon#element is rendered before passing to appendChild().\n\t\tsizeUI.render();\n\n\t\tthis._sizeUI = sizeUI;\n\n\t\tdomElement.appendChild( sizeUI.element );\n\t}\n\n\t/**\n\t * @event begin\n\t */\n\n\t/**\n\t * @event updateSize\n\t */\n\n\t/**\n\t * @event commit\n\t */\n\n\t/**\n\t * @event cancel\n\t */\n}\n\nmix( Resizer, ObservableMixin );\n\n/**\n * A view displaying the proposed new element size during the resizing.\n *\n * @extends {module:ui/view~View}\n */\nclass SizeView extends View {\n\tconstructor() {\n\t\tsuper();\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-size-view',\n\t\t\t\t\tbind.to( 'activeHandlePosition', value => value ? `ck-orientation-${ value }` : '' )\n\t\t\t\t],\n\t\t\t\tstyle: {\n\t\t\t\t\tdisplay: bind.if( 'isVisible', 'none', visible => !visible )\n\t\t\t\t}\n\t\t\t},\n\t\t\tchildren: [ {\n\t\t\t\ttext: bind.to( 'label' )\n\t\t\t} ]\n\t\t} );\n\t}\n\n\tbindToState( options, resizerState ) {\n\t\tthis.bind( 'isVisible' ).to( resizerState, 'proposedWidth', resizerState, 'proposedHeight', ( width, height ) =>\n\t\t\twidth !== null && height !== null );\n\n\t\tthis.bind( 'label' ).to(\n\t\t\tresizerState, 'proposedHandleHostWidth',\n\t\t\tresizerState, 'proposedHandleHostHeight',\n\t\t\tresizerState, 'proposedWidthPercents',\n\t\t\t( width, height, widthPercents ) => {\n\t\t\t\tif ( options.unit === 'px' ) {\n\t\t\t\t\treturn `${ width }×${ height }`;\n\t\t\t\t} else {\n\t\t\t\t\treturn `${ widthPercents }%`;\n\t\t\t\t}\n\t\t\t}\n\t\t);\n\n\t\tthis.bind( 'activeHandlePosition' ).to( resizerState );\n\t}\n\n\tdismiss() {\n\t\tthis.unbind();\n\t\tthis.isVisible = false;\n\t}\n}\n\n// @private\n// @param {String} resizerPosition Expected resizer position like `\"top-left\"`, `\"bottom-right\"`.\n// @returns {String} A prefixed HTML class name for the resizer element\nfunction getResizerClass( resizerPosition ) {\n\treturn `ck-widget__resizer__handle-${ resizerPosition }`;\n}\n\nfunction extractCoordinates( event ) {\n\treturn {\n\t\tx: event.pageX,\n\t\ty: event.pageY\n\t};\n}\n\nfunction existsInDom( element ) {\n\treturn element && element.ownerDocument && element.ownerDocument.contains( element );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgetresize\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Resizer from './widgetresize/resizer';\nimport DomEmitterMixin from '@ckeditor/ckeditor5-utils/src/dom/emittermixin';\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport MouseObserver from '@ckeditor/ckeditor5-engine/src/view/observer/mouseobserver';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { throttle } from 'lodash-es';\n\nimport '../theme/widgetresize.css';\n\n/**\n * The widget resize feature plugin.\n *\n * Use the {@link module:widget/widgetresize~WidgetResize#attachTo} method to create a resizer for the specified widget.\n *\n * @extends module:core/plugin~Plugin\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class WidgetResize extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'WidgetResize';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\t/**\n\t\t * The currently visible resizer.\n\t\t *\n\t\t * @observable\n\t\t * @member {module:widget/widgetresize/resizer~Resizer|null} #visibleResizer\n\t\t */\n\t\tthis.set( 'visibleResizer', null );\n\n\t\t/**\n\t\t * References an active resizer.\n\t\t *\n\t\t * Active resizer means a resizer which handle is actively used by the end user.\n\t\t *\n\t\t * @protected\n\t\t * @observable\n\t\t * @member {module:widget/widgetresize/resizer~Resizer|null} #_activeResizer\n\t\t */\n\t\tthis.set( '_activeResizer', null );\n\n\t\t/**\n\t\t * A map of resizers created using this plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<module:engine/view/containerelement~ContainerElement, module:widget/widgetresize/resizer~Resizer>}\n\t\t */\n\t\tthis._resizers = new Map();\n\n\t\tconst domDocument = global.window.document;\n\n\t\tthis.editor.model.schema.setAttributeProperties( 'width', {\n\t\t\tisFormatting: true\n\t\t} );\n\n\t\tthis.editor.editing.view.addObserver( MouseObserver );\n\n\t\tthis._observer = Object.create( DomEmitterMixin );\n\n\t\tthis.listenTo( this.editor.editing.view.document, 'mousedown', this._mouseDownListener.bind( this ), { priority: 'high' } );\n\n\t\tthis._observer.listenTo( domDocument, 'mousemove', this._mouseMoveListener.bind( this ) );\n\t\tthis._observer.listenTo( domDocument, 'mouseup', this._mouseUpListener.bind( this ) );\n\n\t\tconst redrawFocusedResizer = () => {\n\t\t\tif ( this.visibleResizer ) {\n\t\t\t\tthis.visibleResizer.redraw();\n\t\t\t}\n\t\t};\n\n\t\tconst redrawFocusedResizerThrottled = throttle( redrawFocusedResizer, 200 );\n\n\t\t// Redraws occurring upon a change of visible resizer must not be throttled, as it is crucial for the initial\n\t\t// render. Without it the resizer frame would be misaligned with resizing host for a fraction of second.\n\t\tthis.on( 'change:visibleResizer', redrawFocusedResizer );\n\n\t\t// Redrawing on any change of the UI of the editor (including content changes).\n\t\tthis.editor.ui.on( 'update', redrawFocusedResizerThrottled );\n\n\t\t// Resizers need to be redrawn upon window resize, because new window might shrink resize host.\n\t\tthis._observer.listenTo( global.window, 'resize', redrawFocusedResizerThrottled );\n\n\t\tconst viewSelection = this.editor.editing.view.document.selection;\n\n\t\tviewSelection.on( 'change', () => {\n\t\t\tconst selectedElement = viewSelection.getSelectedElement();\n\n\t\t\tthis.visibleResizer = this.getResizerByViewElement( selectedElement ) || null;\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis._observer.stopListening();\n\n\t\tfor ( const resizer of this._resizers.values() ) {\n\t\t\tresizer.destroy();\n\t\t}\n\t}\n\n\t/**\n\t * @param {module:widget/widgetresize~ResizerOptions} [options] Resizer options.\n\t * @returns {module:widget/widgetresize/resizer~Resizer}\n\t */\n\tattachTo( options ) {\n\t\tconst resizer = new Resizer( options );\n\t\tconst plugins = this.editor.plugins;\n\n\t\tresizer.attach();\n\n\t\tif ( plugins.has( 'WidgetToolbarRepository' ) ) {\n\t\t\t// Hiding widget toolbar to improve the performance\n\t\t\t// (https://github.com/ckeditor/ckeditor5-widget/pull/112#issuecomment-564528765).\n\t\t\tconst widgetToolbarRepository = plugins.get( 'WidgetToolbarRepository' );\n\n\t\t\tresizer.on( 'begin', () => {\n\t\t\t\twidgetToolbarRepository.forceDisabled( 'resize' );\n\t\t\t}, { priority: 'lowest' } );\n\n\t\t\tresizer.on( 'cancel', () => {\n\t\t\t\twidgetToolbarRepository.clearForceDisabled( 'resize' );\n\t\t\t}, { priority: 'highest' } );\n\n\t\t\tresizer.on( 'commit', () => {\n\t\t\t\twidgetToolbarRepository.clearForceDisabled( 'resize' );\n\t\t\t}, { priority: 'highest' } );\n\t\t}\n\n\t\tthis._resizers.set( options.viewElement, resizer );\n\n\t\tconst viewSelection = this.editor.editing.view.document.selection;\n\t\tconst selectedElement = viewSelection.getSelectedElement();\n\n\t\t// If the element the resizer is created for is currently focused, it should become visible.\n\t\tif ( this.getResizerByViewElement( selectedElement ) == resizer ) {\n\t\t\tthis.visibleResizer = resizer;\n\t\t}\n\n\t\treturn resizer;\n\t}\n\n\t/**\n\t * Returns a resizer created for a given view element (widget element).\n\t *\n\t * @param {module:engine/view/containerelement~ContainerElement} viewElement View element associated with the resizer.\n\t * @returns {module:widget/widgetresize/resizer~Resizer|undefined}\n\t */\n\tgetResizerByViewElement( viewElement ) {\n\t\treturn this._resizers.get( viewElement );\n\t}\n\n\t/**\n\t * Returns a resizer that contains a given resize handle.\n\t *\n\t * @protected\n\t * @param {HTMLElement} domResizeHandle\n\t * @returns {module:widget/widgetresize/resizer~Resizer}\n\t */\n\t_getResizerByHandle( domResizeHandle ) {\n\t\tfor ( const resizer of this._resizers.values() ) {\n\t\t\tif ( resizer.containsHandle( domResizeHandle ) ) {\n\t\t\t\treturn resizer;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @protected\n\t * @param {module:utils/eventinfo~EventInfo} event\n\t * @param {Event} domEventData Native DOM event.\n\t */\n\t_mouseDownListener( event, domEventData ) {\n\t\tconst resizeHandle = domEventData.domTarget;\n\n\t\tif ( !Resizer.isResizeHandle( resizeHandle ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._activeResizer = this._getResizerByHandle( resizeHandle );\n\n\t\tif ( this._activeResizer ) {\n\t\t\tthis._activeResizer.begin( resizeHandle );\n\n\t\t\t// Do not call other events when resizing. See: #6755.\n\t\t\tevent.stop();\n\t\t\tdomEventData.preventDefault();\n\t\t}\n\t}\n\n\t/**\n\t * @protected\n\t * @param {module:utils/eventinfo~EventInfo} event\n\t * @param {Event} domEventData Native DOM event.\n\t */\n\t_mouseMoveListener( event, domEventData ) {\n\t\tif ( this._activeResizer ) {\n\t\t\tthis._activeResizer.updateSize( domEventData );\n\t\t}\n\t}\n\n\t/**\n\t * @protected\n\t */\n\t_mouseUpListener() {\n\t\tif ( this._activeResizer ) {\n\t\t\tthis._activeResizer.commit();\n\t\t\tthis._activeResizer = null;\n\t\t}\n\t}\n}\n\nmix( WidgetResize, ObservableMixin );\n\n/**\n * Interface describing a resizer. It allows to specify the resizing host, custom logic for calculating aspect ratio, etc.\n *\n * @interface ResizerOptions\n */\n\n/**\n * Editor instance associated with the resizer.\n *\n * @member {module:core/editor/editor~Editor} module:widget/widgetresize~ResizerOptions#editor\n */\n\n/**\n * @member {module:engine/model/element~Element} module:widget/widgetresize~ResizerOptions#modelElement\n */\n\n/**\n * A view of an element to be resized. Typically it's the main widget's view instance.\n *\n * @member {module:engine/view/containerelement~ContainerElement} module:widget/widgetresize~ResizerOptions#viewElement\n */\n\n/**\n * A callback to be executed once the resizing process is done.\n *\n * It receives a `Number` (`newValue`) as a parameter.\n *\n * For example, {@link module:image/imageresize~ImageResize} uses it to execute the image resize command\n * which puts the new value into the model.\n *\n * ```js\n * {\n *\teditor,\n *\tmodelElement: data.item,\n *\tviewElement: widget,\n *\n *\tonCommit( newValue ) {\n *\t\teditor.execute( 'imageResize', { width: newValue } );\n *\t}\n * };\n * ```\n *\n *\n * @member {Function} module:widget/widgetresize~ResizerOptions#onCommit\n */\n\n/**\n * @member {Function} module:widget/widgetresize~ResizerOptions#getResizeHost\n */\n\n/**\n * @member {Function} module:widget/widgetresize~ResizerOptions#isCentered\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize/imageresizehandles\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport WidgetResize from '@ckeditor/ckeditor5-widget/src/widgetresize';\nimport ImageLoadObserver from '../image/imageloadobserver';\n\n/**\n * The image resize by handles feature.\n *\n * It adds the ability to resize each image using handles or manually by\n * {@link module:image/imageresize/imageresizebuttons~ImageResizeButtons} buttons.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageResizeHandles extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ WidgetResize ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageResizeHandles';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst command = this.editor.commands.get( 'imageResize' );\n\t\tthis.bind( 'isEnabled' ).to( command );\n\n\t\tthis._setupResizerCreator();\n\t}\n\n\t/**\n\t * Attaches the listeners responsible for creating a resizer for each image, except for images inside the HTML embed preview.\n\t *\n\t * @private\n\t */\n\t_setupResizerCreator() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\teditingView.addObserver( ImageLoadObserver );\n\n\t\tthis.listenTo( editingView.document, 'imageLoaded', ( evt, domEvent ) => {\n\t\t\t// The resizer must be attached only to images loaded by the `ImageInsert`, `ImageUpload` or `LinkImage` plugins.\n\t\t\tif ( !domEvent.target.matches( 'figure.image.ck-widget > img, figure.image.ck-widget > a > img' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst imageView = editor.editing.view.domConverter.domToView( domEvent.target );\n\t\t\tconst widgetView = imageView.findAncestor( 'figure' );\n\t\t\tlet resizer = this.editor.plugins.get( WidgetResize ).getResizerByViewElement( widgetView );\n\n\t\t\tif ( resizer ) {\n\t\t\t\t// There are rare cases when the image will be triggered multiple times for the same widget, e.g. when\n\t\t\t\t// the image's source was changed after upload (https://github.com/ckeditor/ckeditor5/pull/8108#issuecomment-708302992).\n\t\t\t\tresizer.redraw();\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst mapper = editor.editing.mapper;\n\t\t\tconst imageModel = mapper.toModelElement( widgetView );\n\n\t\t\tresizer = editor.plugins\n\t\t\t\t.get( WidgetResize )\n\t\t\t\t.attachTo( {\n\t\t\t\t\tunit: editor.config.get( 'image.resizeUnit' ),\n\n\t\t\t\t\tmodelElement: imageModel,\n\t\t\t\t\tviewElement: widgetView,\n\t\t\t\t\teditor,\n\n\t\t\t\t\tgetHandleHost( domWidgetElement ) {\n\t\t\t\t\t\treturn domWidgetElement.querySelector( 'img' );\n\t\t\t\t\t},\n\t\t\t\t\tgetResizeHost( domWidgetElement ) {\n\t\t\t\t\t\treturn domWidgetElement;\n\t\t\t\t\t},\n\t\t\t\t\t// TODO consider other positions.\n\t\t\t\t\tisCentered() {\n\t\t\t\t\t\tconst imageStyle = imageModel.getAttribute( 'imageStyle' );\n\n\t\t\t\t\t\treturn !imageStyle || imageStyle == 'full' || imageStyle == 'alignCenter';\n\t\t\t\t\t},\n\n\t\t\t\t\tonCommit( newValue ) {\n\t\t\t\t\t\teditor.execute( 'imageResize', { width: newValue } );\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\tresizer.on( 'updateSize', () => {\n\t\t\t\tif ( !widgetView.hasClass( 'image_resized' ) ) {\n\t\t\t\t\teditingView.change( writer => {\n\t\t\t\t\t\twriter.addClass( 'image_resized', widgetView );\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tresizer.bind( 'isEnabled' ).to( this );\n\t\t} );\n\t}\n}\n","import OPMacroTocPlugin from './plugins/op-macro-toc-plugin';\nimport OPMacroEmbeddedTable from './plugins/op-macro-embedded-table/embedded-table-plugin';\nimport OPMacroWpButtonPlugin from './plugins/op-macro-wp-button/op-macro-wp-button-plugin';\nimport OpUploadPlugin from './plugins/op-upload-plugin';\nimport OPChildPagesPlugin from \"./plugins/op-macro-child-pages/op-macro-child-pages-plugin\";\nimport Essentials from \"@ckeditor/ckeditor5-essentials/src/essentials\";\nimport UploadAdapter from \"@ckeditor/ckeditor5-adapter-ckfinder/src/uploadadapter\";\nimport AutoFormat from \"@ckeditor/ckeditor5-autoformat/src/autoformat\";\nimport Bold from \"@ckeditor/ckeditor5-basic-styles/src/bold\";\nimport Code from \"@ckeditor/ckeditor5-basic-styles/src/code\";\nimport Strikethrough from \"@ckeditor/ckeditor5-basic-styles/src/strikethrough\"\nimport Italic from \"@ckeditor/ckeditor5-basic-styles/src/italic\";\nimport BlockQuote from \"@ckeditor/ckeditor5-block-quote/src/blockquote\";\nimport Heading from \"@ckeditor/ckeditor5-heading/src/heading\";\nimport Image from \"@ckeditor/ckeditor5-image/src/image\";\nimport ImageCaption from \"@ckeditor/ckeditor5-image/src/imagecaption\";\nimport ImageStyle from \"@ckeditor/ckeditor5-image/src/imagestyle\";\nimport ImageToolbar from \"@ckeditor/ckeditor5-image/src/imagetoolbar\";\nimport Link from \"@ckeditor/ckeditor5-link/src/link\";\nimport List from \"@ckeditor/ckeditor5-list/src/list\";\nimport Paragraph from \"@ckeditor/ckeditor5-paragraph/src/paragraph\";\nimport Typing from \"@ckeditor/ckeditor5-typing/src/typing\";\nimport OPHelpLinkPlugin from \"./plugins/op-help-link-plugin/op-help-link-plugin\";\nimport CodeBlockPlugin from \"./plugins/code-block/code-block\";\nimport OPPreviewPlugin from \"./plugins/op-preview.plugin\";\nimport Table from \"@ckeditor/ckeditor5-table/src/table\";\nimport TableToolbar from \"@ckeditor/ckeditor5-table/src/tabletoolbar\";\nimport TableProperties from '@ckeditor/ckeditor5-table/src/tableproperties';\nimport TableCellProperties from '@ckeditor/ckeditor5-table/src/tablecellproperties';\nimport PasteFromOffice from '@ckeditor/ckeditor5-paste-from-office/src/pastefromoffice';\nimport TodoList from \"@ckeditor/ckeditor5-list/src/todolist\";\nimport OPMacroListPlugin from \"./plugins/op-macro-list-plugin\";\nimport OPAttachmentListenerPlugin from './plugins/op-attachment-listener-plugin';\nimport OpImageAttachmentLookup from './plugins/op-image-attachment-lookup/op-image-attachment-lookup-plugin';\nimport CommonMark from './commonmark/commonmark';\nimport OPSourceCodePlugin from './plugins/op-source-code.plugin';\n// import Mention from \"../forked/ckeditor5-mention/src/mention\";\nimport Mention from \"@ckeditor/ckeditor5-mention/src/mention\";\nimport {MentionCaster} from './mentions/mentions-caster';\nimport ImageResize from \"@ckeditor/ckeditor5-image/src/imageresize\";\nimport OpCustomCssClassesPlugin from \"./plugins/op-custom-css-classes-plugin\";\n\n// We divide our plugins into separate concerns here\n// in order to enable / disable each group by configuration\nexport const opMacroPlugins = [\n\tOPMacroTocPlugin,\n\tOPMacroEmbeddedTable,\n\tOPMacroWpButtonPlugin,\n\tOPChildPagesPlugin,\n];\n\nexport const opImageUploadPlugins = [\n\tOpUploadPlugin,\n\tOPAttachmentListenerPlugin\n];\n\nexport const builtinPlugins = [\n\tEssentials,\n\tUploadAdapter,\n\tAutoFormat,\n\tBold,\n\tCode,\n\tItalic,\n\tStrikethrough,\n\tBlockQuote,\n\tHeading,\n\tImage,\n\tImageCaption,\n\tImageStyle,\n\tImageResize,\n\tImageToolbar,\n\tOpImageAttachmentLookup,\n\tLink,\n\tList,\n\tTodoList,\n\tParagraph,\n\tTyping,\n\n\t// Built-in mentions\n\tMention,\n\tMentionCaster,\n\tPasteFromOffice,\n\n\tOPHelpLinkPlugin,\n\tCodeBlockPlugin,\n\tOPPreviewPlugin,\n\tOPSourceCodePlugin,\n\n\tCommonMark,\n\tTable,\n\tTableToolbar,\n\tTableProperties,\n\tTableCellProperties,\n\n\tOPMacroListPlugin,\n\n\tOpCustomCssClassesPlugin,\n].concat(\n\t// OpenProject Macro plugin group\n\topMacroPlugins,\n\n\t// OpenProject image upload plugins\n\topImageUploadPlugins,\n);\n","import EmbeddedTableEditing from './embedded-table-editing';\nimport Widget from '@ckeditor/ckeditor5-widget/src/widget';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport EmbeddedTableToolbar from './embedded-table-toolbar';\n\nexport default class OPMacroEmbeddedTable extends Plugin {\n\tstatic get requires() {\n\t\treturn [ EmbeddedTableEditing, Widget, EmbeddedTableToolbar ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroEmbeddedTable';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn EmbeddedTableEditing.buttonName;\n\t}\n}\n","import Widget from '@ckeditor/ckeditor5-widget/src/widget';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport OPMacroWpButtonEditing from './op-macro-wp-button-editing';\nimport OPMacroWpButtonToolbar from './op-macro-wp-button-toolbar';\n\nexport default class OPMacroWpButtonPlugin extends Plugin {\n\tstatic get requires() {\n\t\treturn [ OPMacroWpButtonEditing, Widget, OPMacroWpButtonToolbar ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroWpButton';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn OPMacroWpButtonEditing.buttonName;\n\t}\n}\n","import Widget from '@ckeditor/ckeditor5-widget/src/widget';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport OPChildPagesEditing from './op-macro-child-pages-editing';\nimport OPChildPagesToolbar from './op-macro-child-pages-toolbar';\n\nexport default class OPChildPagesPlugin extends Plugin {\n\tstatic get requires() {\n\t\treturn [ OPChildPagesEditing, Widget, OPChildPagesToolbar ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPChildPages';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn OPChildPagesEditing.buttonName;\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport FileRepository from '@ckeditor/ckeditor5-upload/src/filerepository';\nimport OpUploadResourceAdapter from './op-upload-resource-adapter';\nimport {getOPResource} from './op-context/op-context';\nimport ImageUpload from '@ckeditor/ckeditor5-image/src/imageupload';\n\nexport default class OpUploadPlugin extends Plugin {\n\n    static get requires() {\n        return [FileRepository, ImageUpload];\n    }\n\n    static get pluginName() {\n        return 'OpUploadPlugin';\n    }\n\n    init() {\n        this.editor.plugins.get('FileRepository').createUploadAdapter = (loader) => {\n\t\t\tconst resource = getOPResource(this.editor);\n\t\t\treturn new OpUploadResourceAdapter(loader, resource, this.editor);\n\t\t}\n    }\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Selection from '@ckeditor/ckeditor5-engine/src/model/selection';\n\nexport default class OPAttachmentListenerPlugin extends Plugin {\n\tstatic get pluginName() {\n\t\treturn 'OPAttachmentListener';\n\t}\n\n\tinit() {\n\t\tlet editor = this.editor;\n\n\t\teditor.model.on('op:attachment-removed', (_, urls) => {\n\t\t\tthis.removeDeletedImage(urls)\n\t\t});\n\t}\n\n\tremoveDeletedImage(urls) {\n\t\tlet root = this.editor.model.document.getRoot();\n\n\t\tfor (const child of Array.from(root.getChildren())) {\n\t\t\tif (child.name === 'image' && urls.indexOf(child.getAttribute('src')) > -1) {\n\t\t\t\tconst selection = new Selection( child, 'on' );\n\n\t\t\t\tthis.editor.model.deleteContent(selection);\n\t\t\t}\n\t\t}\n\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module essentials/essentials\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport Clipboard from '@ckeditor/ckeditor5-clipboard/src/clipboard';\nimport Enter from '@ckeditor/ckeditor5-enter/src/enter';\nimport ShiftEnter from '@ckeditor/ckeditor5-enter/src/shiftenter';\nimport SelectAll from '@ckeditor/ckeditor5-select-all/src/selectall';\nimport Typing from '@ckeditor/ckeditor5-typing/src/typing';\nimport Undo from '@ckeditor/ckeditor5-undo/src/undo';\n\n/**\n * A plugin including all essential editing features. It represents a set of features that enables similar functionalities\n * to a `<textarea>` element.\n *\n * It includes:\n *\n * * {@link module:clipboard/clipboard~Clipboard},\n * * {@link module:enter/enter~Enter},\n * * {@link module:select-all/selectall~SelectAll},\n * * {@link module:enter/shiftenter~ShiftEnter},\n * * {@link module:typing/typing~Typing},\n * * {@link module:undo/undo~Undo}.\n *\n * This plugin set does not define any block-level containers (such as {@link module:paragraph/paragraph~Paragraph}).\n * If your editor is supposed to handle block content, make sure to include it.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Essentials extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Clipboard, Enter, SelectAll, ShiftEnter, Typing, Undo ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Essentials';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/bold\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport BoldEditing from './bold/boldediting';\nimport BoldUI from './bold/boldui';\n\n/**\n * The bold feature.\n *\n * For a detailed overview check the {@glink features/basic-styles Basic styles feature documentation}\n * and the {@glink api/basic-styles package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:basic-styles/bold/boldediting~BoldEditing bold editing feature}\n * and {@link module:basic-styles/bold/boldui~BoldUI bold UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Bold extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ BoldEditing, BoldUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Bold';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/code\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport CodeEditing from './code/codeediting';\nimport CodeUI from './code/codeui';\n\nimport '../theme/code.css';\n\n/**\n * The code feature.\n *\n * For a detailed overview check the {@glink features/basic-styles Basic styles feature documentation}\n * and the {@glink api/basic-styles package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:basic-styles/code/codeediting~CodeEditing code editing feature}\n * and {@link module:basic-styles/code/codeui~CodeUI code UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Code extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ CodeEditing, CodeUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Code';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/italic\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ItalicEditing from './italic/italicediting';\nimport ItalicUI from './italic/italicui';\n\n/**\n * The italic feature.\n *\n * For a detailed overview check the {@glink features/basic-styles Basic styles feature documentation}\n * and the {@glink api/basic-styles package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:basic-styles/italic/italicediting~ItalicEditing} and\n * {@link module:basic-styles/italic/italicui~ItalicUI} plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Italic extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ItalicEditing, ItalicUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Italic';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/strikethrough\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport StrikethroughEditing from './strikethrough/strikethroughediting';\nimport StrikethroughUI from './strikethrough/strikethroughui';\n\n/**\n * The strikethrough feature.\n *\n * For a detailed overview check the {@glink features/basic-styles Basic styles feature documentation}\n * and the {@glink api/basic-styles package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:basic-styles/strikethrough/strikethroughediting~StrikethroughEditing} and\n * {@link module:basic-styles/strikethrough/strikethroughui~StrikethroughUI} plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Strikethrough extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ StrikethroughEditing, StrikethroughUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Strikethrough';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module block-quote/blockquote\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport BlockQuoteEditing from './blockquoteediting';\nimport BlockQuoteUI from './blockquoteui';\n\n/**\n * The block quote plugin.\n *\n * For more information about this feature check the {@glink api/block-quote package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:block-quote/blockquoteediting~BlockQuoteEditing block quote editing feature}\n * and {@link module:block-quote/blockquoteui~BlockQuoteUI block quote UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BlockQuote extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ BlockQuoteEditing, BlockQuoteUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BlockQuote';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/heading\n */\n\nimport HeadingEditing from './headingediting';\nimport HeadingUI from './headingui';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport '../theme/heading.css';\n\n/**\n * The headings feature.\n *\n * For a detailed overview, check the {@glink features/headings Headings feature documentation}\n * and the {@glink api/heading package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:heading/headingediting~HeadingEditing heading editing feature}\n * and {@link module:heading/headingui~HeadingUI heading UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Heading extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ HeadingEditing, HeadingUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Heading';\n\t}\n}\n\n/**\n * The configuration of the heading feature. Introduced by the {@link module:heading/headingediting~HeadingEditing} feature.\n *\n * Read more in {@link module:heading/heading~HeadingConfig}.\n *\n * @member {module:heading/heading~HeadingConfig} module:core/editor/editorconfig~EditorConfig#heading\n */\n\n/**\n * The configuration of the heading feature.\n * The option is used by the {@link module:heading/headingediting~HeadingEditing} feature.\n *\n *\t\tClassicEditor\n *\t\t\t.create( {\n * \t\t\t\theading: ... // Heading feature config.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface HeadingConfig\n */\n\n/**\n * The available heading options.\n *\n * The default value is:\n *\n *\t\tconst headingConfig = {\n *\t\t\toptions: [\n *\t\t\t\t{ model: 'paragraph', title: 'Paragraph', class: 'ck-heading_paragraph' },\n *\t\t\t\t{ model: 'heading1', view: 'h2', title: 'Heading 1', class: 'ck-heading_heading1' },\n *\t\t\t\t{ model: 'heading2', view: 'h3', title: 'Heading 2', class: 'ck-heading_heading2' },\n *\t\t\t\t{ model: 'heading3', view: 'h4', title: 'Heading 3', class: 'ck-heading_heading3' }\n *\t\t\t]\n *\t\t};\n *\n * It defines 3 levels of headings. In the editor model they will use `heading1`, `heading2`, and `heading3` elements.\n * Their respective view elements (so the elements output by the editor) will be: `h2`, `h3`, and `h4`. This means that\n * if you choose \"Heading 1\" in the headings dropdown the editor will turn the current block to `<heading1>` in the model\n * which will result in rendering (and outputting to data) the `<h2>` element.\n *\n * The `title` and `class` properties will be used by the `headings` dropdown to render available options.\n * Usually, the first option in the headings dropdown is the \"Paragraph\" option, hence it's also defined on the list.\n * However, you don't need to define its view representation because it's handled by\n * the {@link module:paragraph/paragraph~Paragraph} feature (which is required by\n * the {@link module:heading/headingediting~HeadingEditing} feature).\n *\n * You can **read more** about configuring heading levels and **see more examples** in\n * the {@glink features/headings Headings} guide.\n *\n * Note: In the model you should always start from `heading1`, regardless of how the headings are represented in the view.\n * That's assumption is used by features like {@link module:autoformat/autoformat~Autoformat} to know which element\n * they should use when applying the first level heading.\n *\n * The defined headings are also available as values passed to the `'heading'` command under their model names.\n * For example, the below code will apply `<heading1>` to the current selection:\n *\n *\t\teditor.execute( 'heading', { value: 'heading1' } );\n *\n * @member {Array.<module:heading/heading~HeadingOption>} module:heading/heading~HeadingConfig#options\n */\n\n/**\n * Heading option descriptor.\n *\n * @typedef {Object} module:heading/heading~HeadingOption\n * @property {String} model Name of the model element to convert.\n * @property {module:engine/view/elementdefinition~ElementDefinition} view Definition of a view element to convert from/to.\n * @property {String} title The user-readable title of the option.\n * @property {String} class The class which will be added to the dropdown item representing this option.\n * @property {String} [icon] Icon used by {@link module:heading/headingbuttonsui~HeadingButtonsUI}. It can be omitted when using\n * the default configuration.\n * @extends module:engine/conversion/conversion~ConverterDefinition\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageEditing from '../src/image/imageediting';\nimport Widget from '@ckeditor/ckeditor5-widget/src/widget';\nimport ImageTextAlternative from './imagetextalternative';\n\nimport '../theme/image.css';\n\n/**\n * The image plugin.\n *\n * For a detailed overview, check the {@glink features/image image feature} documentation.\n *\n * This is a \"glue\" plugin which loads the following plugins:\n *\n * * {@link module:image/image/imageediting~ImageEditing},\n * * {@link module:image/imagetextalternative~ImageTextAlternative}.\n *\n * Usually, it is used in conjuction with other plugins from this package. See the {@glink api/image package page}\n * for more information.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Image extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageEditing, Widget, ImageTextAlternative ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Image';\n\t}\n}\n\n/**\n * The configuration of the image features. Used by the image features in the `@ckeditor/ckeditor5-image` package.\n *\n * Read more in {@link module:image/image~ImageConfig}.\n *\n * @member {module:image/image~ImageConfig} module:core/editor/editorconfig~EditorConfig#image\n */\n\n/**\n * The configuration of the image features. Used by the image features in the `@ckeditor/ckeditor5-image` package.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\timage: ... // Image feature options.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface ImageConfig\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagecaption\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageCaptionEditing from './imagecaption/imagecaptionediting';\n\nimport '../theme/imagecaption.css';\n\n/**\n * The image caption plugin.\n *\n * For a detailed overview, check the {@glink features/image#image-captions image caption} documentation.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageCaption extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageCaptionEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageCaption';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageStyleEditing from './imagestyle/imagestyleediting';\nimport ImageStyleUI from './imagestyle/imagestyleui';\n\n/**\n * The image style plugin.\n *\n * For a detailed overview, check the {@glink features/image#image-styles image styles} documentation.\n *\n * This is a \"glue\" plugin which loads the {@link module:image/imagestyle/imagestyleediting~ImageStyleEditing}\n * and {@link module:image/imagestyle/imagestyleui~ImageStyleUI} plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageStyle extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageStyleEditing, ImageStyleUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageStyle';\n\t}\n}\n\n/**\n * Available image styles.\n *\n * The default value is:\n *\n *\t\tconst imageConfig = {\n *\t\t\tstyles: [ 'full', 'side' ]\n *\t\t};\n *\n * which configures two default styles:\n *\n *  * the \"full\" style which does not apply any class, e.g. for images styled to span 100% width of the content,\n *  * the \"side\" style with the `.image-style-side` CSS class.\n *\n * See {@link module:image/imagestyle/utils~defaultStyles} to learn more about default\n * styles provided by the image feature.\n *\n * The {@link module:image/imagestyle/utils~defaultStyles default styles} can be customized,\n * e.g. to change the icon, title or CSS class of the style. The feature also provides several\n * {@link module:image/imagestyle/utils~defaultIcons default icons} to choose from.\n *\n *\t\timport customIcon from 'custom-icon.svg';\n *\n *\t\t// ...\n *\n *\t\tconst imageConfig = {\n *\t\t\tstyles: [\n *\t\t\t\t// This will only customize the icon of the \"full\" style.\n *\t\t\t\t// Note: 'right' is one of default icons provided by the feature.\n *\t\t\t\t{ name: 'full', icon: 'right' },\n *\n *\t\t\t\t// This will customize the icon, title and CSS class of the default \"side\" style.\n *\t\t\t\t{ name: 'side', icon: customIcon, title: 'My side style', className: 'custom-side-image' }\n *\t\t\t]\n *\t\t};\n *\n * If none of the default styles is good enough, it is possible to define independent custom styles, too:\n *\n *\t\timport fullSizeIcon from '@ckeditor/ckeditor5-core/theme/icons/object-center.svg';\n *\t\timport sideIcon from '@ckeditor/ckeditor5-core/theme/icons/object-right.svg';\n *\n *\t\t// ...\n *\n *\t\tconst imageConfig = {\n *\t\t\tstyles: [\n *\t\t\t\t// A completely custom full size style with no class, used as a default.\n *\t\t\t\t{ name: 'fullSize', title: 'Full size', icon: fullSizeIcon, isDefault: true },\n *\n *\t\t\t\t{ name: 'side', title: 'To the side', icon: sideIcon, className: 'side-image' }\n *\t\t\t]\n *\t\t};\n *\n * Note: Setting `title` to one of {@link module:image/imagestyle/imagestyleui~ImageStyleUI#localizedDefaultStylesTitles}\n * will automatically translate it to the language of the editor.\n *\n * Read more about styling images in the {@glink features/image#image-styles Image styles guide}.\n *\n * The feature creates commands based on defined styles, so you can change the style of a selected image by executing\n * the following command:\n *\n *\t\teditor.execute( 'imageStyle' { value: 'side' } );\n *\n * The feature also creates buttons that execute the commands. So, assuming that you use the\n * default image styles setting, you can {@link module:image/image~ImageConfig#toolbar configure the image toolbar}\n * (or any other toolbar) to contain these options:\n *\n *\t\tconst imageConfig = {\n *\t\t\ttoolbar: [ 'imageStyle:full', 'imageStyle:side' ]\n *\t\t};\n *\n * @member {Array.<module:image/imagestyle/imagestyleediting~ImageStyleFormat>} module:image/image~ImageConfig#styles\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ImageResizeButtons from './imageresize/imageresizebuttons';\nimport ImageResizeEditing from './imageresize/imageresizeediting';\nimport ImageResizeHandles from './imageresize/imageresizehandles';\n\nimport '../theme/imageresize.css';\n\n/**\n * The image resize plugin.\n *\n * It adds a possibility to resize each image using handles.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageResize extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageResizeEditing, ImageResizeHandles, ImageResizeButtons ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageResize';\n\t}\n}\n\n/**\n * The available options are `'px'` or `'%'`.\n *\n * Determines the size unit applied to the resized image.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: 'px'\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n *\n * This option is used by the {@link module:image/imageresize~ImageResize} feature.\n *\n * @default '%'\n * @member {String} module:image/image~ImageConfig#resizeUnit\n */\n\n/**\n * The image resize options.\n *\n * Each option should have at least these two properties:\n *\n * * name: The name of the UI component registered in the global\n * {@link module:core/editor/editorui~EditorUI#componentFactory component factory} of the editor,\n * representing the button a user can click to change the size of an image,\n * * value: An actual image width applied when a user clicks the mentioned button\n * ({@link module:image/imageresize/imageresizecommand~ImageResizeCommand} gets executed).\n * The value property is combined with the {@link module:image/image~ImageConfig#resizeUnit `config.image.resizeUnit`} (`%` by default).\n * For instance: `value: '50'` and `resizeUnit: '%'` will render as `'50%'` in the UI.\n *\n * **Resetting the image size**\n *\n * If you want to set an option that will reset image to its original size, you need to pass a `null` value\n * to one of the options. The `:original` token is not mandatory, you can call it anything you wish, but it must reflect\n * in the standalone buttons configuration for the image toolbar.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: \"%\",\n *\t\t\t\t\tresizeOptions: [ {\n *\t\t\t\t\t\tname: 'imageResize:original',\n *\t\t\t\t\t\tvalue: null\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:50',\n *\t\t\t\t\t\tvalue: '50'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:75',\n *\t\t\t\t\t\tvalue: '75'\n *\t\t\t\t\t} ]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **Resizing images using a dropdown**\n *\n * With resize options defined, you can decide whether you want to display them as a dropdown or as standalone buttons.\n * For the dropdown, you need to pass only the `imageResize` token to the\n{@link module:image/image~ImageConfig#toolbar `config.image.toolbar`}. The dropdown contains all defined options by default:\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: \"%\",\n *\t\t\t\t\tresizeOptions: [ {\n *\t\t\t\t\t\tname: 'imageResize:original',\n *\t\t\t\t\t\tvalue: null\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:50',\n *\t\t\t\t\t\tvalue: '50'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:75',\n *\t\t\t\t\t\tvalue: '75'\n *\t\t\t\t\t} ],\n *\t\t\t\t\ttoolbar: [ 'imageResize', ... ],\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **Resizing images using individual buttons**\n *\n * If you want to have separate buttons for {@link module:image/imageresize/imageresizebuttons~ImageResizeOption each option},\n * pass their names to the {@link module:image/image~ImageConfig#toolbar `config.image.toolbar`} instead. Please keep in mind\n * that this time **you must define the additional\n * {@link module:image/imageresize/imageresizebuttons~ImageResizeOption `icon` property}**:\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: \"%\",\n *\t\t\t\t\tresizeOptions: [ {\n *\t\t\t\t\t\tname: 'imageResize:original',\n *\t\t\t\t\t\tvalue: null,\n *\t\t\t\t\t\ticon: 'original'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:25',\n *\t\t\t\t\t\tvalue: '25',\n *\t\t\t\t\t\ticon: 'small'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:50',\n *\t\t\t\t\t\tvalue: '50',\n *\t\t\t\t\t\ticon: 'medium'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:75',\n *\t\t\t\t\t\tvalue: '75',\n *\t\t\t\t\t\ticon: 'large'\n *\t\t\t\t\t} ],\n *\t\t\t\t\ttoolbar: [ 'imageResize:25', 'imageResize:50', 'imageResize:75', 'imageResize:original', ... ],\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **Customizing resize button labels**\n *\n * You can set your own label for each resize button. To do that, add the `label` property like in the example below.\n *\n * * When using the **dropdown**, the labels are displayed on the list of all options when you open the dropdown.\n * * When using **standalone buttons**, the labels will are displayed as tooltips when a user hovers over the button.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: \"%\",\n *\t\t\t\t\tresizeOptions: [ {\n *\t\t\t\t\t\tname: 'imageResize:original',\n *\t\t\t\t\t\tvalue: null,\n *\t\t\t\t\t\tlabel: 'Original size'\n *\t\t\t\t\t\t// Note: add the \"icon\" property if you're configuring a standalone button.\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:50',\n *\t\t\t\t\t\tvalue: '50',\n *\t\t\t\t\t\tlabel: 'Medium size'\n *\t\t\t\t\t\t// Note: add the \"icon\" property if you're configuring a standalone button.\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'imageResize:75',\n *\t\t\t\t\t\tvalue: '75',\n *\t\t\t\t\t\tlabel: 'Large size'\n *\t\t\t\t\t\t// Note: add the \"icon\" property if you're configuring a standalone button.\n *\t\t\t\t\t} ]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **Default value**\n *\n * The following configuration is used by default:\n *\n *\t\tresizeOptions = [\n *\t\t\t{\n *\t\t\t\tname: 'imageResize:original',\n *\t\t\t\tvalue: null,\n *\t\t\t\ticon: 'original'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tname: 'imageResize:25',\n *\t\t\t\tvalue: '25',\n *\t\t\t\ticon: 'small'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tname: 'imageResize:50',\n *\t\t\t\tvalue: '50',\n *\t\t\t\ticon: 'medium'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tname: 'imageResize:75',\n *\t\t\t\tvalue: '75',\n *\t\t\t\ticon: 'large'\n *\t\t\t}\n *\t\t];\n *\n * @member {Array.<module:image/imageresize/imageresizebuttons~ImageResizeOption>} module:image/image~ImageConfig#resizeOptions\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetoolbar\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport { getSelectedImageWidget } from './image/utils';\nimport WidgetToolbarRepository from '@ckeditor/ckeditor5-widget/src/widgettoolbarrepository';\n\n/**\n * The image toolbar plugin. It creates and manages the image toolbar (the toolbar displayed when an image is selected).\n *\n * For a detailed overview, check the {@glink features/image#image-contextual-toolbar image contextual toolbar} documentation.\n *\n * Instances of toolbar components (e.g. buttons) are created using the editor's\n * {@link module:ui/componentfactory~ComponentFactory component factory}\n * based on the {@link module:image/image~ImageConfig#toolbar `image.toolbar` configuration option}.\n *\n * The toolbar uses the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageToolbar extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ WidgetToolbarRepository ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageToolbar';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst widgetToolbarRepository = editor.plugins.get( WidgetToolbarRepository );\n\n\t\twidgetToolbarRepository.register( 'image', {\n\t\t\tariaLabel: t( 'Image toolbar' ),\n\t\t\titems: editor.config.get( 'image.toolbar' ) || [],\n\t\t\tgetRelatedElement: getSelectedImageWidget\n\t\t} );\n\t}\n}\n\n/**\n * Items to be placed in the image toolbar.\n * This option is used by the {@link module:image/imagetoolbar~ImageToolbar} feature.\n *\n * Assuming that you use the following features:\n *\n * * {@link module:image/imagestyle~ImageStyle} (with a default configuration),\n * * {@link module:image/imagetextalternative~ImageTextAlternative},\n *\n * three toolbar items will be available in {@link module:ui/componentfactory~ComponentFactory}:\n * `'imageStyle:full'`, `'imageStyle:side'`, and `'imageTextAlternative'` so you can configure the toolbar like this:\n *\n *\t\tconst imageConfig = {\n *\t\t\ttoolbar: [ 'imageStyle:full', 'imageStyle:side', '|', 'imageTextAlternative' ]\n *\t\t};\n *\n * Of course, the same buttons can also be used in the\n * {@link module:core/editor/editorconfig~EditorConfig#toolbar main editor toolbar}.\n *\n * Read more about configuring toolbar in {@link module:core/editor/editorconfig~EditorConfig#toolbar}.\n *\n * @member {Array.<String>} module:image/image~ImageConfig#toolbar\n */\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport {getOPResource} from '../op-context/op-context';\nimport {originalSrcAttribute} from '../../commonmark/commonmarkdataprocessor';\n\n\nexport function replaceImageAttachmentsByName(resource) {\n\treturn dispatcher => {\n\t\tdispatcher.on('attribute:src:image', converter, { priority: 'highest' } );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\n\t\t// We do not consume the attribute since we want the regular attribute\n\t\t// converter to run as well.\n\t\tlet src = data.attributeNewValue;\n\n\t\t// If the resource is not attachable or src has been nulled, do nothing\n\t\tif (!(src && resource.lookupDownloadLocationByName)) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst match = resource.lookupDownloadLocationByName(src);\n\t\tdata.attributeNewValue = match || src;\n\t}\n}\n\nexport function replaceNamedAttachmentWithUrl(resource) {\n\treturn dispatcher => {\n\t\tdispatcher.on('attribute:src:image', converter, { priority: 'highest' } );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\n\t\t// We do not consume the attribute since we want the regular attribute\n\t\t// converter to run as well.\n\t\tlet src = data.attributeNewValue;\n\n\t\t// If the resource is not attachable or src has been nulled, do nothing\n\t\tif (!(src && resource.lookupDownloadLocationByName)) {\n\t\t\treturn;\n\t\t}\n\n\n\t\tconst match = resource.lookupDownloadLocationByName(src);\n\t\tdata.attributeNewValue = match || src;\n\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst figure = conversionApi.mapper.toViewElement( data.item );\n\t\tconst img = figure.getChild( 0 );\n\n\t\tif (match) {\n\t\t\tviewWriter.setAttribute(originalSrcAttribute, src, img );\n\t\t}\n\t}\n}\n\n\nexport default class OpImageAttachmentLookup extends Plugin {\n\tstatic get pluginName() {\n\t\treturn 'OpImageAttachmentLookup';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst conversion = editor.conversion;\n\t\tconst resource = getOPResource(editor);\n\n\t\tconversion\n\t\t\t.for('editingDowncast')\n\t\t\t.add(replaceImageAttachmentsByName(resource));\n\n\t\t// Temporarily replace the src attribute with data-src attribute to avoid loading\n\t\tconversion\n\t\t\t.for('dataDowncast')\n\t\t\t.add(replaceNamedAttachmentWithUrl(resource));\n\t}\n\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/link\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport LinkEditing from './linkediting';\nimport LinkUI from './linkui';\nimport AutoLink from './autolink';\n\n/**\n * The link plugin.\n *\n * This is a \"glue\" plugin that loads the {@link module:link/linkediting~LinkEditing link editing feature}\n * and {@link module:link/linkui~LinkUI link UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Link extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ LinkEditing, LinkUI, AutoLink ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Link';\n\t}\n}\n\n/**\n * The configuration of the {@link module:link/link~Link} feature.\n *\n * Read more in {@link module:link/link~LinkConfig}.\n *\n * @member {module:link/link~LinkConfig} module:core/editor/editorconfig~EditorConfig#link\n */\n\n/**\n * The configuration of the {@link module:link/link~Link link feature}.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\tlink:  ... // Link feature configuration.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n * @interface LinkConfig\n */\n\n/**\n * When set, the editor will add the given protocol to the link when the user creates a link without one.\n * For example, when the user is creating a link and types `ckeditor.com` in the link form input, during link submission\n * the editor will automatically add the `http://` protocol, so the link will look as follows: `http://ckeditor.com`.\n *\n * The feature also provides email address auto-detection. When you submit `hello@example.com`,\n * the plugin will automatically change it to `mailto:hello@example.com`.\n *\n * \t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\tlink: {\n * \t\t\t\t\tdefaultProtocol: 'http://'\n * \t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **NOTE:** If no configuration is provided, the editor will not auto-fix the links.\n *\n * @member {String} module:link/link~LinkConfig#defaultProtocol\n */\n\n/**\n * When set to `true`, the `target=\"blank\"` and `rel=\"noopener noreferrer\"` attributes are automatically added to all external links\n * in the editor. \"External links\" are all links in the editor content starting with `http`, `https`, or `//`.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tlink: {\n *\t\t\t\t\taddTargetToExternalLinks: true\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * Internally, this option activates a predefined {@link module:link/link~LinkConfig#decorators automatic link decorator}\n * that extends all external links with the `target` and `rel` attributes.\n *\n * **Note**: To control the `target` and `rel` attributes of specific links in the edited content, a dedicated\n * {@link module:link/link~LinkDecoratorManualDefinition manual} decorator must be defined in the\n * {@link module:link/link~LinkConfig#decorators `config.link.decorators`} array. In such scenario,\n * the `config.link.addTargetToExternalLinks` option should remain `undefined` or `false` to not interfere with the manual decorator.\n *\n * It is possible to add other {@link module:link/link~LinkDecoratorAutomaticDefinition automatic}\n * or {@link module:link/link~LinkDecoratorManualDefinition manual} link decorators when this option is active.\n *\n * More information about decorators can be found in the {@link module:link/link~LinkConfig#decorators decorators configuration}\n * reference.\n *\n * @default false\n * @member {Boolean} module:link/link~LinkConfig#addTargetToExternalLinks\n */\n\n/**\n * Decorators provide an easy way to configure and manage additional link attributes in the editor content. There are\n * two types of link decorators:\n *\n * * {@link module:link/link~LinkDecoratorAutomaticDefinition Automatic} &ndash; They match links against pre–defined rules and\n * manage their attributes based on the results.\n * * {@link module:link/link~LinkDecoratorManualDefinition Manual} &ndash; They allow users to control link attributes individually,\n *  using the editor UI.\n *\n * Link decorators are defined as objects with key-value pairs, where the key is the name provided for a given decorator and the\n * value is the decorator definition.\n *\n * The name of the decorator also corresponds to the {@glink framework/guides/architecture/editing-engine#text-attributes text attribute}\n * in the model. For instance, the `isExternal` decorator below is represented as a `linkIsExternal` attribute in the model.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tlink: {\n *\t\t\t\t\tdecorators: {\n *\t\t\t\t\t\tisExternal: {\n *\t\t\t\t\t\t\tmode: 'automatic',\n *\t\t\t\t\t\t\tcallback: url => url.startsWith( 'http://' ),\n *\t\t\t\t\t\t\tattributes: {\n *\t\t\t\t\t\t\t\ttarget: '_blank',\n *\t\t\t\t\t\t\t\trel: 'noopener noreferrer'\n *\t\t\t\t\t\t\t}\n *\t\t\t\t\t\t},\n *\t\t\t\t\t\tisDownloadable: {\n *\t\t\t\t\t\t\tmode: 'manual',\n *\t\t\t\t\t\t\tlabel: 'Downloadable',\n *\t\t\t\t\t\t\tattributes: {\n *\t\t\t\t\t\t\t\tdownload: 'file.png',\n *\t\t\t\t\t\t\t}\n *\t\t\t\t\t\t},\n *\t\t\t\t\t\t// ...\n *\t\t\t\t\t}\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * To learn more about the configuration syntax, check out the {@link module:link/link~LinkDecoratorAutomaticDefinition automatic}\n * and {@link module:link/link~LinkDecoratorManualDefinition manual} decorator option reference.\n *\n * **Warning:** Currently, link decorators work independently of one another and no conflict resolution mechanism exists.\n * For example, configuring the `target` attribute using both an automatic and a manual decorator at the same time could end up with\n * quirky results. The same applies if multiple manual or automatic decorators were defined for the same attribute.\n *\n * **Note**: Since the `target` attribute management for external links is a common use case, there is a predefined automatic decorator\n * dedicated for that purpose which can be enabled by turning a single option on. Check out the\n * {@link module:link/link~LinkConfig#addTargetToExternalLinks `config.link.addTargetToExternalLinks`}\n * configuration description to learn more.\n *\n * See also the {@glink features/link#custom-link-attributes-decorators link feature guide} for more information.\n *\n * @member {Object.<String, module:link/link~LinkDecoratorDefinition>} module:link/link~LinkConfig#decorators\n */\n\n/**\n * A link decorator definition. Two types implement this defition:\n *\n * * {@link module:link/link~LinkDecoratorManualDefinition}\n * * {@link module:link/link~LinkDecoratorAutomaticDefinition}\n *\n * Refer to their document for more information about available options or to the\n * {@glink features/link#custom-link-attributes-decorators link feature guide} for general information.\n *\n * @interface LinkDecoratorDefinition\n */\n\n/**\n * Link decorator type.\n *\n * Check out the {@glink features/link#custom-link-attributes-decorators link feature guide} for more information.\n *\n * @member {'manual'|'automatic'} module:link/link~LinkDecoratorDefinition#mode\n */\n\n/**\n * Describes an automatic {@link module:link/link~LinkConfig#decorators link decorator}. This decorator type matches\n * all links in the editor content against a function that decides whether the link should receive a pre–defined set of attributes.\n *\n * It takes an object with key-value pairs of attributes and a callback function that must return a Boolean value based on the link's\n * `href` (URL). When the callback returns `true`, attributes are applied to the link.\n *\n * For example, to add the `target=\"_blank\"` attribute to all links in the editor starting with `http://`, the\n * configuration could look like this:\n *\n *\t\t{\n *\t\t\tmode: 'automatic',\n *\t\t\tcallback: url => url.startsWith( 'http://' ),\n *\t\t\tattributes: {\n *\t\t\t\ttarget: '_blank'\n *\t\t\t}\n *\t\t}\n *\n * **Note**: Since the `target` attribute management for external links is a common use case, there is a predefined automatic decorator\n * dedicated for that purpose that can be enabled by turning a single option on. Check out the\n * {@link module:link/link~LinkConfig#addTargetToExternalLinks `config.link.addTargetToExternalLinks`}\n * configuration description to learn more.\n *\n * @typedef {Object} module:link/link~LinkDecoratorAutomaticDefinition\n * @property {'automatic'} mode Link decorator type. It is `'automatic'` for all automatic decorators.\n * @property {Function} callback Takes a `url` as a parameter and returns `true` if the `attributes` should be applied to the link.\n * @property {Object} attributes Key-value pairs used as link attributes added to the output during the\n * {@glink framework/guides/architecture/editing-engine#conversion downcasting}.\n * Attributes should follow the {@link module:engine/view/elementdefinition~ElementDefinition} syntax.\n */\n\n/**\n * Describes a manual {@link module:link/link~LinkConfig#decorators link decorator}. This decorator type is represented in\n * the link feature's {@link module:link/linkui user interface} as a switch that the user can use to control the presence\n * of a predefined set of attributes.\n *\n * For instance, to allow the users to manually control the presence of the `target=\"_blank\"` and\n * `rel=\"noopener noreferrer\"` attributes on specific links, the decorator could look as follows:\n *\n *\t\t{\n *\t\t\tmode: 'manual',\n *\t\t\tlabel: 'Open in a new tab',\n *\t\t\tdefaultValue: true,\n *\t\t\tattributes: {\n *\t\t\t\ttarget: '_blank',\n *\t\t\t\trel: 'noopener noreferrer'\n *\t\t\t}\n *\t\t}\n *\n * @typedef {Object} module:link/link~LinkDecoratorManualDefinition\n * @property {'manual'} mode Link decorator type. It is `'manual'` for all manual decorators.\n * @property {String} label The label of the UI button that the user can use to control the presence of link attributes.\n * @property {Object} attributes Key-value pairs used as link attributes added to the output during the\n * {@glink framework/guides/architecture/editing-engine#conversion downcasting}.\n * Attributes should follow the {@link module:engine/view/elementdefinition~ElementDefinition} syntax.\n * @property {Boolean} [defaultValue] Controls whether the decorator is \"on\" by default.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/list\n */\n\nimport ListEditing from './listediting';\nimport ListUI from './listui';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * The list feature.\n *\n * This is a \"glue\" plugin that loads the {@link module:list/listediting~ListEditing list editing feature}\n * and {@link module:list/listui~ListUI list UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class List extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ListEditing, ListUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'List';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolist\n */\n\nimport TodoListEditing from './todolistediting';\nimport TodoListUI from './todolistui';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport '../theme/todolist.css';\n\n/**\n * The to-do list feature.\n *\n * This is a \"glue\" plugin that loads the {@link module:list/todolistediting~TodoListEditing to-do list editing feature}\n * and the {@link module:list/todolistui~TodoListUI to-do list UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TodoList extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TodoListEditing, TodoListUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TodoList';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/mention\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport MentionEditing, { _toMentionAttribute } from './mentionediting';\nimport MentionUI from './mentionui';\n\nimport '../theme/mention.css';\n\n/**\n * The mention plugin.\n *\n * For a detailed overview, check the {@glink features/mentions Mention feature documentation}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Mention extends Plugin {\n\t/**\n\t * Creates a mention attribute value from the provided view element and optional data.\n\t *\n\t *\t\teditor.plugins.get( 'Mention' ).toMentionAttribute( viewElement, { userId: '1234' } );\n\t *\n\t *\t\t// For a view element: <span data-mention=\"@joe\">@John Doe</span>\n\t *\t\t// it will return:\n\t *\t\t// { id: '@joe', userId: '1234', uid: '7a7bc7...', _text: '@John Doe' }\n\t *\n\t * @param {module:engine/view/element~Element} viewElement\n\t * @param {String|Object} [data] Additional data to be stored in the mention attribute.\n\t * @returns {module:mention/mention~MentionAttribute}\n\t */\n\ttoMentionAttribute( viewElement, data ) {\n\t\treturn _toMentionAttribute( viewElement, data );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Mention';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ MentionEditing, MentionUI ];\n\t}\n}\n\n/**\n * The configuration of the {@link module:mention/mention~Mention} feature.\n *\n * Read more in {@link module:mention/mention~MentionConfig}.\n *\n * @member {module:mention/mention~MentionConfig} module:core/editor/editorconfig~EditorConfig#mention\n * @type {Array.<module/mention~MentionFeed>}\n */\n\n/**\n * The configuration of the mention feature.\n *\n * Read more about {@glink features/mentions#configuration configuring the mention feature}.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tmention: ... // Mention feature options.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface MentionConfig\n */\n\n/**\n * The list of mention feeds supported by the editor.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tplugins: [ Mention, ... ],\n *\t\t\t\tmention: {\n *\t\t\t\t\tfeeds: [\n *\t\t\t\t\t\t{\n *\t\t\t\t\t\t\tmarker: '@',\n *\t\t\t\t\t\t\tfeed: [ '@Barney', '@Lily', '@Marshall', '@Robin', '@Ted' ]\n *\t\t\t\t\t\t},\n *\t\t\t\t\t\t...\n * \t\t\t\t\t]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * You can provide many mention feeds but they must use different `marker`s.\n * For example, you can use `'@'` to autocomplete people and `'#'` to autocomplete tags.\n *\n * @member {Array.<module:mention/mention~MentionFeed>} module:mention/mention~MentionConfig#feeds\n */\n\n/**\n * The mention feed descriptor. Used in {@link module:mention/mention~MentionConfig `config.mention`}.\n *\n * See {@link module:mention/mention~MentionConfig} to learn more.\n *\n *\t\t// Static configuration.\n *\t\tconst mentionFeedPeople = {\n *\t\t\tmarker: '@',\n *\t\t\tfeed: [ '@Alice', '@Bob', ... ],\n *\t\t\tminimumCharacters: 2\n *\t\t};\n *\n *\t\t// Simple synchronous callback.\n *\t\tconst mentionFeedTags = {\n *\t\t\tmarker: '#',\n *\t\t\tfeed: searchString => {\n *\t\t\t\treturn tags\n *\t\t\t\t\t// Filter the tags list.\n *\t\t\t\t\t.filter( tag => {\n *\t\t\t\t\t\treturn tag.toLowerCase().includes( queryText.toLowerCase() );\n *\t\t\t\t\t} )\n *\t\t\t\t\t// Return 10 items max - needed for generic queries when the list may contain hundreds of elements.\n *\t\t\t\t\t.slice( 0, 10 );\n *\t\t\t}\n * \t\t};\n *\n *\t\tconst tags = [ 'wysiwyg', 'rte', 'rich-text-edior', 'collaboration', 'real-time', ... ];\n *\n *\t\t// Asynchronous callback.\n *\t\tconst mentionFeedPlaceholders = {\n *\t\t\tmarker: '$',\n *\t\t\tfeed: searchString => {\n *\t\t\t\treturn getMatchingPlaceholders( searchString );\n *\t\t\t}\n * \t\t};\n *\n *\t\tfunction getMatchingPlaceholders( searchString ) {\n *\t\t\treturn new Promise( resolve => {\n *\t\t\t\tdoSomeXHRQuery( result => {\n *\t\t\t\t\t// console.log( result );\n *\t\t\t\t\t// -> [ '$name', '$surname', '$postal', ... ]\n *\n *\t\t\t\t\tresolve( result );\n * \t\t\t\t} );\n *\t\t\t} );\n *\t\t}\n *\n * @typedef {Object} module:mention/mention~MentionFeed\n * @property {String} [marker] The character which triggers autocompletion for mention. It must be a single character.\n * @property {Array.<module:mention/mention~MentionFeedItem>|Function} feed Autocomplete items. Provide an array for\n * a static configuration (the mention feature will show matching items automatically) or a function which returns an array of\n * matching items (directly, or via a promise). If a function is passed, it is executed in the context of the editor instance.\n * @property {Number} [minimumCharacters=0] Specifies after how many characters the autocomplete panel should be shown.\n * @property {Function} [itemRenderer] A function that renders a {@link module:mention/mention~MentionFeedItem}\n * to the autocomplete panel.\n */\n\n/**\n * The mention feed item. It may be defined as a string or a plain object.\n *\n * When defining a feed item as a plain object, the `id` property is obligatory. Additional properties\n * can be used when customizing the mention feature bahavior\n * (see {@glink features/mentions#customizing-the-autocomplete-list \"Customizing the autocomplete list\"}\n * and {@glink features/mentions#customizing-the-output \"Customizing the output\"} sections).\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tplugins: [ Mention, ... ],\n *\t\t\t\tmention: {\n *\t\t\t\t\tfeeds: [\n *\t\t\t\t\t\t// Feed items as objects.\n *\t\t\t\t\t\t{\n *\t\t\t\t\t\t\tmarker: '@',\n *\t\t\t\t\t\t\tfeed: [\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Barney',\n *\t\t\t\t\t\t\t\t\tfullName: 'Barney Bloom'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Lily',\n *\t\t\t\t\t\t\t\t\tfullName: 'Lily Smith'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Marshall',\n *\t\t\t\t\t\t\t\t\tfullName: 'Marshall McDonald'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Robin',\n *\t\t\t\t\t\t\t\t\tfullName: 'Robin Hood'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Ted',\n *\t\t\t\t\t\t\t\t\tfullName: 'Ted Cruze'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t// ...\n *\t\t\t\t\t\t\t]\n *\t\t\t\t\t\t},\n *\n *\t\t\t\t\t\t// Feed items as plain strings.\n *\t\t\t\t\t\t{\n *\t\t\t\t\t\t\tmarker: '#',\n *\t\t\t\t\t\t\tfeed: [ 'wysiwyg', 'rte', 'rich-text-edior', 'collaboration', 'real-time', ... ]\n *\t\t\t\t\t\t},\n * \t\t\t\t\t]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * @typedef {Object|String} module:mention/mention~MentionFeedItem\n * @property {String} id A unique ID of the mention. It must start with the marker character.\n * @property {String} [text] Text inserted into the editor when creating a mention.\n */\n\n/**\n * Represents a mention in the model.\n *\n * See {@link module:mention/mention~Mention#toMentionAttribute `Mention#toMentionAttribute()`}.\n *\n * @interface module:mention/mention~MentionAttribute\n * @property {String} id The ID of a mention. It identifies the mention item in the mention feed. There can be multiple mentions\n * in the document with the same ID (e.g. the same hashtag being mentioned).\n * @property {String} uid A unique ID of this mention instance. Should be passed as an `option.id` when using\n * {@link module:engine/view/downcastwriter~DowncastWriter#createAttributeElement writer.createAttributeElement()}.\n * @property {String} _text Helper property that stores the text of the inserted mention. Used for detecting a broken mention\n * in the editing area.\n */\n","import {getPluginContext} from \"../plugins/op-context/op-context\";\nimport ClickObserver from '@ckeditor/ckeditor5-engine/src/view/observer/clickobserver';\n\n\nexport function MentionCaster( editor ) {\n\tconst pluginContext = getPluginContext(editor);\n\tconst view = editor.editing.view;\n\tconst viewDocument = view.document;\n\n\tview.addObserver(ClickObserver);\n\n\t// Open mention links, in a new tab\n\teditor.listenTo(viewDocument, 'click', (evt, data) => {\n\t\tif (data.domTarget.nodeName === 'A' &&  data.domTarget.classList.contains('mention')) {\n\t\t\tconst link = document.createElement('a');\n\t\t\tlink.target = '_blank';\n\t\t\tlink.href = data.domTarget.attributes.href.value;\n\n\t\t\tlink.click();\n\t\t}\n\t});\n\n\t// The upcast converter will convert <mention data-id=\"id\" data-type=\"type\" data-text=\"text\">text</mention>\n\t// elements on the input HTML data to the model 'mention' attribute.\n\teditor.conversion\n\t\t.for( 'upcast' )\n\t\t.elementToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: 'mention',\n\t\t\t\tkey: 'data-mention',\n\t\t\t\tclasses: 'mention',\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'mention',\n\t\t\t\tvalue: viewItem => {\n\t\t\t\t\tconst idNumber = viewItem.getAttribute( 'data-id' );\n\t\t\t\t\tconst type = viewItem.getAttribute( 'data-type' );\n\t\t\t\t\tconst text = viewItem.getAttribute( 'data-text' );\n\t\t\t\t\tconst link = getMentionLink(idNumber, type);\n\t\t\t\t\t// The mention feature expects that the mention attribute value\n\t\t\t\t\t// in the model is a plain object with a set of additional attributes.\n\t\t\t\t\t// In order to create a proper object use the toMentionAttribute() helper method:\n\t\t\t\t\tconst mentionAttribute = editor.plugins.get( 'Mention' ).toMentionAttribute( viewItem, {\n\t\t\t\t\t\t// Pass the properties we'll need for the editing and data downcast.\n\t\t\t\t\t\tidNumber,\n\t\t\t\t\t\tlink,\n\t\t\t\t\t\ttext,\n\t\t\t\t\t\ttype,\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn mentionAttribute;\n\t\t\t\t}\n\t\t\t},\n\t\t\tconverterPriority: 'high'\n\t\t} );\n\n\t// Handle mysterious corrupted mentions (<span class=\"mention\" data-type=\"\">${@user or #wp id}</span>)\n\teditor.conversion\n\t\t.for( 'upcast' )\n\t\t.elementToAttribute( {\n\t\tview: {\n\t\t\tname: 'span',\n\t\t\tkey: 'data-mention',\n\t\t\tclasses: 'mention',\n\t\t},\n\t\tmodel: {\n\t\t\tkey: 'mention',\n\t\t\tvalue: viewItem => {\n\t\t\t\tconst children = [...viewItem.getChildren()];\n\t\t\t\tconst content = children[0];\n\t\t\t\tconst text = content && content.data;\n\n\t\t\t\tif (text) {\n\t\t\t\t\tconst errorMessage = `[Invalid mention: ${text}]`;\n\t\t\t\t\tcontent._data = errorMessage;\n\t\t\t\t}\n\n\t\t\t\treturn;\n\t\t\t}\n\t\t},\n\t\tconverterPriority: 'high'\n\t} );\n\n\teditor.conversion\n\t\t.for('editingDowncast')\n\t\t.attributeToElement({\n\t\t\tmodel: 'mention',\n\t\t\tconverterPriority: 'high',\n\t\t\tview: (modelAttributeValue, {writer}) => {\n\t\t\t\t// Do not convert empty attributes (lack of value means no mention).\n\t\t\t\tif ( !modelAttributeValue ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst element = writer.createAttributeElement(\n\t\t\t\t\t'a',\n\t\t\t\t\t{\n\t\t\t\t\t\t'class': 'mention',\n\t\t\t\t\t\t'href': modelAttributeValue.link,\n\t\t\t\t\t\t'data-mention': modelAttributeValue.text,\n\t\t\t\t\t\t'title': modelAttributeValue.text,\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\treturn element;\n\t\t\t}\n\t\t});\n\n\teditor.conversion\n\t\t.for('dataDowncast')\n\t\t.attributeToElement({\n\t\t\tmodel: 'mention',\n\t\t\tconverterPriority: 'high',\n\t\t\tview: (modelAttributeValue, {writer}) => {\n\t\t\t\t// Do not convert empty attributes (lack of value means no mention).\n\t\t\t\tif ( !modelAttributeValue ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst element = writer.createAttributeElement(\n\t\t\t\t\t'mention',\n\t\t\t\t\t{\n\t\t\t\t\t\t'class': 'mention',\n\t\t\t\t\t\t'data-id': modelAttributeValue.idNumber,\n\t\t\t\t\t\t'data-type': modelAttributeValue.type,\n\t\t\t\t\t\t'data-text': modelAttributeValue.text,\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\treturn element;\n\t\t\t}\n\t\t});\n\n\tfunction getMentionLink(id, type) {\n\t\tconst typePath = pluginContext.services.apiV3Service[`${type}s`].segment;\n\t\tconst base = window.OpenProject.urlRoot;\n\n\t\treturn `${base}/${typePath}/${id}`;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/pastefromoffice\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport GoogleDocsNormalizer from './normalizers/googledocsnormalizer';\nimport MSWordNormalizer from './normalizers/mswordnormalizer';\nimport Clipboard from '@ckeditor/ckeditor5-clipboard/src/clipboard';\n\n/**\n * The Paste from Office plugin.\n *\n * This plugin handles content pasted from Office apps and transforms it (if necessary)\n * to a valid structure which can then be understood by the editor features.\n *\n * Transformation is made by a set of predefined {@link module:paste-from-office/normalizer~Normalizer normalizers}.\n * This plugin includes following normalizers:\n *   * {@link module:paste-from-office/normalizers/mswordnormalizer~MSWordNormalizer Microsoft Word normalizer}\n *   * {@link module:paste-from-office/normalizers/googledocsnormalizer~GoogleDocsNormalizer Google Docs normalizer}\n *\n * For more information about this feature check the {@glink api/paste-from-office package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class PasteFromOffice extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'PasteFromOffice';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Clipboard ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\t\tconst normalizers = [];\n\n\t\tnormalizers.push( new MSWordNormalizer( viewDocument ) );\n\t\tnormalizers.push( new GoogleDocsNormalizer( viewDocument ) );\n\n\t\teditor.plugins.get( 'Clipboard' ).on(\n\t\t\t'inputTransformation',\n\t\t\t( evt, data ) => {\n\t\t\t\tif ( data.isTransformedWithPasteFromOffice ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst htmlString = data.dataTransfer.getData( 'text/html' );\n\t\t\t\tconst activeNormalizer = normalizers.find( normalizer => normalizer.isActive( htmlString ) );\n\n\t\t\t\tif ( activeNormalizer ) {\n\t\t\t\t\tactiveNormalizer.execute( data );\n\n\t\t\t\t\tdata.isTransformedWithPasteFromOffice = true;\n\t\t\t\t}\n\t\t\t},\n\t\t\t{ priority: 'high' }\n\t\t);\n\t}\n}\n","// This SVG file import will be handled by webpack's raw-text loader.\n// This means that imageIcon will hold the source SVG.\nimport imageIcon from './../../icons/help.svg';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nexport default class OPHelpLinkPlugin extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPHelpLinkPlugin';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst helpURL = editor.config.get('openProject.helpURL');\n\n\t\teditor.ui.componentFactory.add( 'openProjectShowFormattingHelp', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: window.I18n.t('js.inplace.link_formatting_help'),\n\t\t\t\ticon: imageIcon,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\twindow.open(helpURL, '_blank');\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 512 512\\\"><path d=\\\"M415.462 96.978c-88.1-88.1-230.824-88.1-318.924 0-87.22 87.22-87.22 229.943 0 318.044 88.1 88.1 230.824 88.1 318.924 0 87.22-88.1 87.22-230.824 0-318.044zM246.31 437.047c-24.668 0-44.05-20.263-44.05-44.05 0-24.669 19.382-44.05 44.05-44.05 24.668 0 44.05 19.381 44.05 44.05 0 23.787-20.263 44.05-44.05 44.05zm30.835-154.176v23.787c0 12.334-4.405 16.74-15.858 16.74h-32.597c-11.453 0-15.858-4.406-15.858-16.74v-53.742c0-14.096 14.096-18.5 26.43-22.025 2.643-.88 6.167-1.762 8.81-2.643 16.74-6.167 26.43-13.215 26.43-30.835 0-6.167 0-23.787-29.073-23.787-17.62 0-33.478 7.048-43.17 10.572-5.285 2.643-7.929 3.524-11.453 3.524-5.286 0-10.572-4.405-11.453-9.691L167.9 148.958c-.88-2.643-.88-5.286-.88-7.048 0-21.145 66.075-33.479 88.1-33.479 55.503 0 93.387 36.122 93.387 88.982 0 58.146-44.05 75.767-71.362 85.458z\\\"/></svg>\";","\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport CodeBlockEditing from './code-block-editing';\nimport CodeBlockToolbar from './code-block-toolbar';\n\nexport default class CodeBlockPlugin extends Plugin {\n\tstatic get pluginName() {\n\t\treturn 'CodeBlock';\n\t}\n\n\tstatic get requires() {\n\t\treturn [ CodeBlockEditing, CodeBlockToolbar ];\n\t}\n}\n","// This SVG file import will be handled by webpack's raw-text loader.\n// This means that imageIcon will hold the source SVG.\nimport imageIcon from '../icons/preview.svg';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport {getOPPath, getOPPreviewContext, getOPService} from './op-context/op-context';\nimport {enableItems, disableItems} from '../helpers/button-disabler';\n\nexport default class OPPreviewPlugin extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPPreview';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tlet previewing = false;\n\t\tlet unregisterPreview = null;\n\n\t\teditor.ui.componentFactory.add( 'preview', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: this.label,\n\t\t\t\ticon: imageIcon,\n\t\t\t\ttooltip: true,\n\t\t\t} );\n\n\n\t\t\tlet showPreview = function(preview) {\n\t\t\t\tlet $mainEditor = jQuery(editor.ui.getEditableElement()).parent();\n\t\t\t\tlet $reference;\n\n\t\t\t\tif ($mainEditor.length) {\n\t\t\t\t\t$reference = $mainEditor;\n\t\t\t\t} else {\n\t\t\t\t\t$reference = $editable;\n\t\t\t\t}\n\n\t\t\t\tlet $previewWrapper = jQuery('<div class=\"ck-editor__preview op-uc-container\"></div>');\n\t\t\t\t$reference.siblings('.ck-editor__preview').remove();\n\n\t\t\t\tconst previewService = getOPService(editor, 'ckEditorPreview');\n\t\t\t\tunregisterPreview = previewService.render($previewWrapper[0], preview);\n\n\t\t\t\t$reference.hide();\n\t\t\t\t$reference.after($previewWrapper);\n\n\t\t\t\tdisableItems(editor, view);\n\t\t\t};\n\n\t\t\tlet getAndShowPreview = function() {\n\t\t\t\tlet link = getOPPreviewContext(editor);\n\t\t\t\tlet url = getOPPath(editor).api.v3.previewMarkup(link);\n\n\t\t\t\tjQuery\n\t\t\t\t\t.ajax({\n\t\t\t\t\t\tdata: editor.getData(),\n\t\t\t\t\t\turl: url,\n\t\t\t\t\t\tresponse_type: 'text',\n\t\t\t\t\t\tcontentType: 'text/plain; charset=UTF-8',\n\t\t\t\t\t\tmethod: 'POST',\n\t\t\t\t\t}).done(showPreview);\n\t\t\t};\n\n\t\t\tlet disablePreviewing = function() {\n\t\t\t\tlet $mainEditor = jQuery(editor.ui.getEditableElement()).parent();\n\n\t\t\t\tunregisterPreview();\n\t\t\t\t$mainEditor.siblings('.ck-editor__preview').remove();\n\t\t\t\t$mainEditor.show();\n\n\t\t\t\tenableItems(editor);\n\t\t\t};\n\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on('execute', () => {\n\t\t\t\tif (previewing) {\n\t\t\t\t\tpreviewing = false;\n\n\t\t\t\t\tdisablePreviewing();\n\t\t\t\t} else {\n\t\t\t\t\tpreviewing = true;\n\n\t\t\t\t\tgetAndShowPreview();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tget label() {\n\t\treturn window.I18n.t('js.editor.preview');\n\t}\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 512 512\\\" width=\\\"20\\\"><path d=\\\"M124 334v14c84 139 279 139 362 0v-14c-83-139-278-139-362 0zm181 91c-46 0-83-38-83-84s37-83 83-83c47 0 84 37 84 83s-37 84-84 84zm42-84c0 23-19 42-42 42s-41-19-41-42 18-42 41-42 42 19 42 42zm83-254L312-32H37v512h127v-46H83V14h210l91 92v91h46V87z\\\"/></svg>\\n\";","// This SVG file import will be handled by webpack's raw-text loader.\n// This means that imageIcon will hold the source SVG.\nimport sourceIcon from '../icons/source.svg';\nimport wysiwygIcon from '../icons/wysiwyg.svg';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport {getOPPath, getOPPreviewContext, getOPService} from './op-context/op-context';\nimport {enableItems, disableItems} from '../helpers/button-disabler';\n\nexport default class OPSourceCodePlugin extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPSourceCode';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tlet inSourceMode = false;\n\t\tlet labels = {\n\t\t\tsource: window.I18n.t('js.editor.mode.manual'),\n\t\t\twysiwyg: window.I18n.t('js.editor.mode.wysiwyg'),\n\t\t}\n\n\n\t\teditor.ui.componentFactory.add( 'opShowSource', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: labels.source,\n\t\t\t\tclass: '',\n\t\t\t\ticon: sourceIcon,\n\t\t\t\ttooltip: true,\n\t\t\t} );\n\n\n\t\t\tlet showSource = function(preview) {\n\t\t\t\tlet $mainEditor = jQuery(editor.ui.getEditableElement()).parent();\n\t\t\t\tlet $reference;\n\n\t\t\t\tif ($mainEditor.length) {\n\t\t\t\t\t$reference = $mainEditor;\n\t\t\t\t} else {\n\t\t\t\t\t$reference = $editable;\n\t\t\t\t}\n\n\t\t\t\tlet $sourceWrapper = jQuery('<div class=\"ck-editor__source\"></div>');\n\t\t\t\t$reference.siblings('.ck-editor__source').remove();\n\n\t\t\t\t$reference.hide();\n\t\t\t\t$reference.after($sourceWrapper);\n\n\t\t\t\tdisableItems(editor, view);\n\n\t\t\t\teditor.fire('op:source-code-enabled');\n\n\t\t\t\tview.set( {\n\t\t\t\t\tlabel: labels.wysiwyg,\n\t\t\t\t\tclass: '-source-enabled',\n\t\t\t\t\ticon: wysiwygIcon,\n\t\t\t\t\ttooltip: true,\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t\tlet hideSource = function() {\n\t\t\t\tlet $mainEditor = jQuery(editor.ui.getEditableElement()).parent();\n\n\t\t\t\teditor.fire('op:source-code-disabled');\n\n\t\t\t\t$mainEditor.siblings('.ck-editor__source').remove();\n\t\t\t\t$mainEditor.show();\n\n\t\t\t\tenableItems(editor);\n\n\t\t\t\tview.set( {\n\t\t\t\t\tlabel: labels.source,\n\t\t\t\t\tclass: '',\n\t\t\t\t\ticon: sourceIcon,\n\t\t\t\t\ttooltip: true,\n\t\t\t\t} );\n\t\t\t};\n\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on('execute', () => {\n\t\t\t\tif (inSourceMode) {\n\t\t\t\t\tinSourceMode = false;\n\t\t\t\t\thideSource();\n\t\t\t\t} else {\n\t\t\t\t\tinSourceMode = true;\n\t\t\t\t\tshowSource();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n}\n","export default \"<?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\"?>\\n<svg\\n   xmlns:dc=\\\"http://purl.org/dc/elements/1.1/\\\"\\n   xmlns:cc=\\\"http://creativecommons.org/ns#\\\"\\n   xmlns:rdf=\\\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\\\"\\n   xmlns:svg=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns:sodipodi=\\\"http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd\\\"\\n   xmlns:inkscape=\\\"http://www.inkscape.org/namespaces/inkscape\\\"\\n   viewBox=\\\"0 0 512 512\\\"\\n   version=\\\"1.1\\\"\\n   id=\\\"svg4\\\"\\n   sodipodi:docname=\\\"wysiwyg.svg\\\"\\n   inkscape:version=\\\"0.92.3 (2405546, 2018-03-11)\\\">\\n  <metadata\\n     id=\\\"metadata10\\\">\\n    <rdf:RDF>\\n      <cc:Work\\n         rdf:about=\\\"\\\">\\n        <dc:format>image/svg+xml</dc:format>\\n        <dc:type\\n           rdf:resource=\\\"http://purl.org/dc/dcmitype/StillImage\\\" />\\n      </cc:Work>\\n    </rdf:RDF>\\n  </metadata>\\n  <defs\\n     id=\\\"defs8\\\" />\\n  <sodipodi:namedview\\n     pagecolor=\\\"#ffffff\\\"\\n     bordercolor=\\\"#666666\\\"\\n     borderopacity=\\\"1\\\"\\n     objecttolerance=\\\"10\\\"\\n     gridtolerance=\\\"10\\\"\\n     guidetolerance=\\\"10\\\"\\n     inkscape:pageopacity=\\\"0\\\"\\n     inkscape:pageshadow=\\\"2\\\"\\n     inkscape:window-width=\\\"640\\\"\\n     inkscape:window-height=\\\"480\\\"\\n     id=\\\"namedview6\\\"\\n     showgrid=\\\"false\\\"\\n     inkscape:zoom=\\\"1.3037281\\\"\\n     inkscape:cx=\\\"252.52639\\\"\\n     inkscape:cy=\\\"155.86537\\\"\\n     inkscape:current-layer=\\\"svg4\\\" />\\n  <path\\n     d=\\\"m 166.9714,230.61312 h 185 v 31 h -185 z m 1,-61 h 185 v 32 h -185 z m 0,-61 h 185 v 32 h -185 z m 289,5 -118,-118.0000009 H 63.971404 V 507.61312 H 457.9714 v -394 z m -347,348 V 41.613119 h 210 l 92,92.000001 v 328 z\\\"\\n     id=\\\"path2\\\"\\n     inkscape:connector-curvature=\\\"0\\\"\\n     sodipodi:nodetypes=\\\"cccccccccccccccccccccccccccc\\\" />\\n  <rect\\n     style=\\\"fill:#000000;fill-opacity:1;stroke:#353535;stroke-opacity:1\\\"\\n     id=\\\"rect832\\\"\\n     width=\\\"184.08746\\\"\\n     height=\\\"112.75357\\\"\\n     x=\\\"169.51387\\\"\\n     y=\\\"313.33896\\\" />\\n</svg>\\n\";","/**\n * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\nimport CommonMarkDataProcessor from './commonmarkdataprocessor';\n\n// Simple plugin which loads the data processor.\n// eslint-disable-next-line no-unused-vars\nexport default function CommonMarkPlugin(editor) {\n\teditor.data.processor = new CommonMarkDataProcessor(editor.editing.view.document);\n}\n\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/table\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport TableEditing from './tableediting';\nimport TableUI from './tableui';\nimport TableSelection from './tableselection';\nimport TableClipboard from './tableclipboard';\nimport TableKeyboard from './tablekeyboard';\nimport TableMouse from './tablemouse';\nimport Widget from '@ckeditor/ckeditor5-widget/src/widget';\n\nimport '../theme/table.css';\n\n/**\n * The table plugin.\n *\n * For a detailed overview, check the {@glink features/table Table feature documentation}.\n *\n * This is a \"glue\" plugin that loads the following table features:\n *\n * * {@link module:table/tableediting~TableEditing editing feature},\n * * {@link module:table/tableselection~TableSelection selection feature},\n * * {@link module:table/tablekeyboard~TableKeyboard keyboard navigation feature},\n * * {@link module:table/tablemouse~TableMouse mouse selection feature},\n * * {@link module:table/tableclipboard~TableClipboard clipboard feature},\n * * {@link module:table/tableui~TableUI UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Table extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableEditing, TableUI, TableSelection, TableMouse, TableKeyboard, TableClipboard, Widget ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Table';\n\t}\n}\n\n/**\n * The configuration of the table feature. Used by the table feature in the `@ckeditor/ckeditor5-table` package.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\ttable: ... // Table feature options.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface TableConfig\n */\n\n/**\n * The configuration of the {@link module:table/table~Table} feature.\n *\n * Read more in {@link module:table/table~TableConfig}.\n *\n * @member {module:table/table~TableConfig} module:core/editor/editorconfig~EditorConfig#table\n */\n\n/**\n * An array of color definitions (either strings or objects).\n *\n *\t\tconst colors = [\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 60%)',\n *\t\t\t\tlabel: 'Grey'\n *\t\t\t},\n *\t\t\t'hsl(0, 0%, 80%)',\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\tlabel: 'Light grey'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 100%)',\n *\t\t\t\tlabel: 'White',\n *\t\t\t\thasBorder: true\n *\t\t\t},\n *\t\t\t'#FF0000'\n *\t\t]\n *\n * Usually used as a configuration parameter, for instance in\n * {@link module:table/table~TableConfig#tableProperties `config.table.tableProperties`}\n * or {@link module:table/table~TableConfig#tableCellProperties `config.table.tableCellProperties`}.\n *\n * @typedef {Array.<String|Object>} module:table/table~TableColorConfig\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tabletoolbar\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport WidgetToolbarRepository from '@ckeditor/ckeditor5-widget/src/widgettoolbarrepository';\nimport { getSelectedTableWidget, getTableWidgetAncestor } from './utils/ui/widget';\n\n/**\n * The table toolbar class. It creates toolbars for the table feature and its content (for now only for the table cell content).\n *\n * The table toolbar shows up when a table widget is selected. Its components (e.g. buttons) are created based on the\n * {@link module:table/table~TableConfig#tableToolbar `table.tableToolbar` configuration option}.\n *\n * Table content toolbar shows up when the selection is inside the content of a table. It creates its component based on the\n * {@link module:table/table~TableConfig#contentToolbar `table.contentToolbar` configuration option}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableToolbar extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ WidgetToolbarRepository ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableToolbar';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst widgetToolbarRepository = editor.plugins.get( WidgetToolbarRepository );\n\n\t\tconst tableContentToolbarItems = editor.config.get( 'table.contentToolbar' );\n\n\t\tconst tableToolbarItems = editor.config.get( 'table.tableToolbar' );\n\n\t\tif ( tableContentToolbarItems ) {\n\t\t\twidgetToolbarRepository.register( 'tableContent', {\n\t\t\t\tariaLabel: t( 'Table toolbar' ),\n\t\t\t\titems: tableContentToolbarItems,\n\t\t\t\tgetRelatedElement: getTableWidgetAncestor\n\t\t\t} );\n\t\t}\n\n\t\tif ( tableToolbarItems ) {\n\t\t\twidgetToolbarRepository.register( 'table', {\n\t\t\t\tariaLabel: t( 'Table toolbar' ),\n\t\t\t\titems: tableToolbarItems,\n\t\t\t\tgetRelatedElement: getSelectedTableWidget\n\t\t\t} );\n\t\t}\n\t}\n}\n\n/**\n * Items to be placed in the table content toolbar.\n * The {@link module:table/tabletoolbar~TableToolbar} plugin is required to make this toolbar work.\n *\n * Assuming that you use the {@link module:table/tableui~TableUI} feature, the following toolbar items will be available\n * in {@link module:ui/componentfactory~ComponentFactory}:\n *\n * * `'tableRow'`,\n * * `'tableColumn'`,\n * * `'mergeTableCells'`.\n *\n * You can thus configure the toolbar like this:\n *\n *\t\tconst tableConfig = {\n *\t\t\tcontentToolbar: [ 'tableRow', 'tableColumn', 'mergeTableCells' ]\n *\t\t};\n *\n * Of course, the same buttons can also be used in the\n * {@link module:core/editor/editorconfig~EditorConfig#toolbar main editor toolbar}.\n *\n * Read more about configuring the toolbar in {@link module:core/editor/editorconfig~EditorConfig#toolbar}.\n *\n * @member {Array.<String>} module:table/table~TableConfig#contentToolbar\n */\n\n/**\n * Items to be placed in the table toolbar.\n * The {@link module:table/tabletoolbar~TableToolbar} plugin is required to make this toolbar work.\n *\n * You can thus configure the toolbar like this:\n *\n *\t\tconst tableConfig = {\n *\t\t\ttableToolbar: [ 'blockQuote' ]\n *\t\t};\n *\n * Of course, the same buttons can also be used in the\n * {@link module:core/editor/editorconfig~EditorConfig#toolbar main editor toolbar}.\n *\n * Read more about configuring the toolbar in {@link module:core/editor/editorconfig~EditorConfig#toolbar}.\n *\n * @member {Array.<String>} module:table/table~TableConfig#tableToolbar\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport TablePropertiesEditing from './tableproperties/tablepropertiesediting';\nimport TablePropertiesUI from './tableproperties/tablepropertiesui';\n\n/**\n * The table properties feature. Enables support for setting properties of tables (size, border, background, etc.).\n *\n * Read more in the {@glink features/table#table-and-cell-styling-tools Table and cell styling tools} section.\n * See also the {@link module:table/tablecellproperties~TableCellProperties} plugin.\n *\n * This is a \"glue\" plugin that loads the\n * {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing table properties editing feature} and\n * the {@link module:table/tableproperties/tablepropertiesui~TablePropertiesUI table properties UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableProperties extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableProperties';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TablePropertiesEditing, TablePropertiesUI ];\n\t}\n}\n\n/**\n * The configuration of the table properties user interface (balloon). It allows to define:\n *\n * * The color palette for the table border color style field (`tableProperties.borderColors`),\n * * The color palette for the table background style field (`tableProperties.backgroundColors`).\n *\n *\t\tconst tableConfig = {\n *\t\t\ttableProperties: {\n *\t\t\t\tborderColors: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\t\t\tlabel: 'Light grey'\n *\t\t\t\t\t},\n *\t\t\t\t\t// ...\n *\t\t\t\t],\n *\t\t\t\tbackgroundColors: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n *\t\t\t\t\t\tlabel: 'Green'\n *\t\t\t\t\t},\n *\t\t\t\t\t// ...\n *\t\t\t\t]\n *\t\t\t}\n *\t\t};\n *\n * **Note**: The configurations do not impact the data loaded into the editor,\n * i.e. they do not limit or filter the colors in the data. They are used only in the user interface\n * allowing users to pick colors in a more convenient way.\n *\n * The default color palettes for the table background and the table border are the same\n * ({@link module:table/utils/ui/table-properties~defaultColors check out their content}).\n *\n * Both color palette configurations must follow the\n * {@link module:table/table~TableColorConfig table color configuration format}.\n *\n * Read more about configuring the table feature in {@link module:table/table~TableConfig}.\n *\n * @member {Object} module:table/table~TableConfig#tableProperties\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport TableCellPropertiesUI from './tablecellproperties/tablecellpropertiesui';\nimport TableCellPropertiesEditing from './tablecellproperties/tablecellpropertiesediting';\n\n/**\n * The table cell properties feature. Enables support for setting properties of table cells (size, border, background, etc.).\n *\n * Read more in the {@glink features/table#table-and-cell-styling-tools Table and cell styling tools} section.\n * See also the {@link module:table/tableproperties~TableProperties} plugin.\n *\n * This is a \"glue\" plugin that loads the\n * {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing table cell properties editing feature} and\n * the {@link module:table/tablecellproperties/tablecellpropertiesui~TableCellPropertiesUI table cell properties UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableCellProperties extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableCellProperties';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableCellPropertiesEditing, TableCellPropertiesUI ];\n\t}\n}\n\n/**\n * The configuration of the table cell properties user interface (balloon). It allows to define:\n *\n * * The color palette for the cell border color style field (`tableCellProperties.borderColors`),\n * * The color palette for the cell background style field (`tableCellProperties.backgroundColors`).\n *\n *\t\tconst tableConfig = {\n *\t\t\ttableCellProperties: {\n *\t\t\t\tborderColors: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\t\t\tlabel: 'Light grey'\n *\t\t\t\t\t},\n *\t\t\t\t\t// ...\n *\t\t\t\t],\n *\t\t\t\tbackgroundColors: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n *\t\t\t\t\t\tlabel: 'Green'\n *\t\t\t\t\t},\n *\t\t\t\t\t// ...\n *\t\t\t\t]\n *\t\t\t}\n *\t\t};\n *\n * **Note**: The configurations do not impact the data loaded into the editor,\n * i.e. they do not limit or filter the colors in the data. They are used only in the user interface\n * allowing users to pick colors in a more convenient way.\n *\n * The default color palettes for the cell background and the cell border are the same\n * ({@link module:table/utils/ui/table-properties~defaultColors check out their content}).\n *\n * Both color palette configurations must follow the\n * {@link module:table/table~TableColorConfig table color configuration format}.\n *\n * Read more about configuring the table feature in {@link module:table/table~TableConfig}.\n *\n * @member {Object} module:table/table~TableConfig#tableCellProperties\n */\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport { createDropdown, addToolbarToDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';\n\nimport {opMacroPlugins} from \"../op-plugins\";\n\n/**\n * Adding a drop down list of macros to the toolbar.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class OPMacroListPlugin extends Plugin {\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst disabledPluginNames = (editor.config.get('removePlugins') || []).map(p => p.pluginName);\n\t\tconst dropdownTooltip = window.I18n.t('js.editor.macro.dropdown.chose_macro');\n\n\t\t// Skip if we don't have any macros here\n\t\tif (editor.config.get('openProject.disableAllMacros') === true) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Register UI component.\n\t\teditor.ui.componentFactory.add( 'macroList', locale => {\n\t\t\tconst dropdownItems = [];\n\t\t\tfor ( const macroPlugin of opMacroPlugins ) {\n\t\t\t\tif (disabledPluginNames.indexOf(macroPlugin.pluginName) !== -1) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tconst listItem = editor.ui.componentFactory.create(macroPlugin.buttonName);\n\t\t\t\tdropdownItems.push(listItem);\n\t\t\t}\n\t\t\tconst dropdownView = createDropdown( locale );\n\n\t\t\taddToolbarToDropdown(dropdownView, dropdownItems);\n\t\t\tdropdownView.buttonView.set( {\n\t\t\t\tisOn: false,\n\t\t\t\twithText: true,\n\t\t\t\ttooltip: dropdownTooltip,\n\t\t\t\tlabel: window.I18n.t('js.editor.macro.dropdown.macros')\n\t\t\t} );\n\t\t\tdropdownView.toolbarView.isVertical = true;\n\t\t\tdropdownView.toolbarView.className = 'op-macro-list-button';\n\n\t\t\treturn dropdownView;\n\t\t} );\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nexport default class OpCustomCssClassesPlugin extends Plugin {\n\n\tget config() {\n\t\tconst preFix = 'op-uc-';\n\t\tconst editorClasses = [`${preFix}container`, `${preFix}container_editing`];\n\t\tconst elementsWithCustomClassesMap = {\n\t\t\t'paragraph': `${preFix}p`,\n\t\t\t'heading1': `${preFix}h1`,\n\t\t\t'heading2': `${preFix}h2`,\n\t\t\t'heading3': `${preFix}h3`,\n\t\t\t'heading4': `${preFix}h4`,\n\t\t\t'heading5': `${preFix}h5`,\n\t\t\t'heading6': `${preFix}h6`,\n\t\t\t'blockQuote': `${preFix}blockquote`,\n\t\t\t'figure': `${preFix}figure`,\n\t\t\t'table': `${preFix}table`,\n\t\t\t'thead': `${preFix}table--head`,\n\t\t\t'tr': `${preFix}table--row`,\n\t\t\t'td': `${preFix}table--cell`,\n\t\t\t'th': [`${preFix}table--cell`, `${preFix}table--cell_head`],\n\t\t\t'tableCell': `${preFix}table--cell`,\n\t\t\t'tableRow': `${preFix}table--row`,\n\t\t\t'ol': `${preFix}list`,\n\t\t\t'ul': `${preFix}list`,\n\t\t\t'todo': `${preFix}list ${preFix}list_task-list`,\n\t\t\t// The list item's name in the view is 'li' while in the model is 'listItem'\n\t\t\t'listItem': `${preFix}list--item`,\n\t\t\t'li': `${preFix}list--item`,\n\t\t\t// The image's name in the view is 'img' while in the model is 'image'\n\t\t\t'image': `${preFix}image`,\n\t\t\t'img': `${preFix}image`,\n\t\t\t'codeblock': `${preFix}code-block`,\n\t\t\t'caption': `${preFix}figure--description`,\n\t\t\t'op-macro-embedded-table': [`${preFix}placeholder`, `${preFix}embedded-table`],\n\t\t\t'op-macro-wp-button': [`${preFix}placeholder`, `${preFix}wp-button`],\n\t\t\t'op-macro-child-pages': [`${preFix}placeholder`, `${preFix}child-pages`],\n\t\t\t'op-macro-toc': [`${preFix}placeholder`, `${preFix}toc`],\n\t\t\t'content': `${preFix}figure--content`\n\t\t};\n\t\tconst attributesWithCustomClassesMap = {\n\t\t\t'code': `${preFix}code`,\n\t\t\t'linkHref': `${preFix}link`,\n\t\t\t'alignment': `${preFix}figure_align-`,\n\t\t\t'todo': `${preFix}list_task-list`,\n\t\t\t'numbered': `${preFix}list`,\n\t\t\t'bulleted': `${preFix}list`,\n\t\t\t'listType': null,\n\t\t\t'headingColumns': null,\n\t\t\t'width': null,\n\t\t\t'uploadStatus': null\n\t\t};\n\t\tconst alignmentValuesMap = {\n\t\t\t'left': 'start',\n\t\t\t'right': 'end',\n\t\t\t'center': 'center',\n\t\t\t'default': 'center',\n\t\t};\n\n\t\treturn {\n\t\t\tpreFix,\n\t\t\teditorClasses,\n\t\t\telementsWithCustomClassesMap,\n\t\t\tattributesWithCustomClassesMap,\n\t\t\talignmentValuesMap,\n\t\t}\n\t}\n\n\tinit() {\n\t\tthis._addCustomCSSClassesToTheEditorContainer(this.editor);\n\t\tthis._addCustomCSSClassesToElements(this.config);\n\t\tthis._addCustomCSSClassesToAttributes(this.config);\n\t}\n\n\t_addCustomCSSClassesToTheEditorContainer(editor) {\n\t\teditor.sourceElement.classList.add(...this.config.editorClasses);\n\t}\n\n\t_addCustomCSSClassesToElements(config) {\n\t\tthis.editor.model.schema.extend('table', {allowAttributes: [ 'figureClasses' ]});\n\n\t\tthis.editor\n\t\t\t\t.conversion\n\t\t\t\t.for('upcast')\n\t\t\t\t.add(dispatcher => dispatcher.on(`element:table`, this._manageTableUpcast(config)), {priority: 'high'});\n\n\t\tthis.editor\n\t\t\t\t.conversion\n\t\t\t\t.for('downcast')\n\t\t\t\t.add(dispatcher => dispatcher.on(`insert`, this._manageElementsInsertion(config), {priority: 'low'}));\n\t}\n\n\t_addCustomCSSClassesToAttributes(config) {\n\t\tthis.editor\n\t\t\t\t.conversion\n\t\t\t\t.for('downcast')\n\t\t\t\t.add(dispatcher => dispatcher.on('attribute', this._manageAttributesInsertion(config), {priority: 'low'}));\n\t}\n\n\t_manageTableUpcast(config) {\n\t\treturn (evt, data, conversionApi) => {\n\t\t\tconst writer = conversionApi.writer;\n\t\t\tconst viewItem = data.viewItem;\n\t\t\tconst modelRange = data.modelRange;\n\t\t\tconst modelElement = modelRange && modelRange.start.nodeAfter;\n\n\t\t\tif (!modelElement) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Get the parent figure element's classes and save them as the 'figureClasses' attribute of\n\t\t\t// this table model element. In the downcast we'll take this classes to place them again\n\t\t\t// in the figure that wraps the table. This is because the figure element doesn't exist in\n\t\t\t// the model but CkEditor wraps every table and image with a <figure>.\n\t\t\tlet figureClasses = modelElement.getAttribute('figureClasses') || [];\n\t\t\tlet parentFigureRawClasses = viewItem.parent.getClassNames && viewItem.parent.getClassNames();\n\t\t\tconst parentFigureClasses = parentFigureRawClasses ? [...parentFigureRawClasses].filter(figureClass => !!figureClass) : [];\n\n\t\t\tfigureClasses = [...figureClasses, ...parentFigureClasses];\n\n\t\t\tconst alignmentClass = parentFigureClasses.filter(figureClass => figureClass.startsWith(config.attributesWithCustomClassesMap.alignment))[0];\n\t\t\tconst alignmentAlias = alignmentClass && alignmentClass.replace(config.attributesWithCustomClassesMap.alignment, '') || config.alignmentValuesMap.default;\n\t\t\tconst alignmentToApply = Object.keys(config.alignmentValuesMap).find(alignmentKey => config.alignmentValuesMap[alignmentKey] === alignmentAlias);\n\n\t\t\tif (!alignmentClass) {\n\t\t\t\tconst defaultAlignClass = `${config.attributesWithCustomClassesMap.alignment}${alignmentAlias}`;\n\t\t\t\tfigureClasses = [...figureClasses, defaultAlignClass];\n\t\t\t}\n\n\t\t\twriter.setAttribute('figureClasses', figureClasses, modelElement);\n\n\t\t\tif (alignmentToApply === 'center') {\n\t\t\t\twriter.setAttribute('alignment', null, modelElement);\n\t\t\t} else {\n\t\t\t\twriter.setAttribute('alignment', alignmentToApply, modelElement);\n\t\t\t}\n\t\t}\n\t}\n\n\t_manageElementsInsertion(config) {\n\t\treturn (evt, data, conversionApi) => {\n\t\t\tconst elementsWithCustomClasses = Object.keys(config.elementsWithCustomClassesMap);\n\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\tconst elementName = data.item.name;\n\t\t\tconst modelElement = data.item;\n\t\t\tconst viewElement = conversionApi.mapper.toViewElement(modelElement);\n\t\t\tlet viewElements = [viewElement];\n\t\t\t// Images and tables are nested in a figure element, listItems are nested inside ul or ol\n\t\t\t// elements (only in the view, in the model are single elements).\n\t\t\tconst nestedElements = ['image', 'table', 'tableCell', 'tableRow', 'listItem'];\n\t\t\tconst isNestedElement = nestedElements.includes(elementName);\n\n\t\t\tif (!elementsWithCustomClasses.includes(elementName) || !viewElement) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif (isNestedElement) {\n\t\t\t\tif (elementName === 'listItem') {\n\t\t\t\t\tviewElements = this._manageListItems(viewWriter, modelElement, viewElement, viewElements, config);\n\t\t\t\t} else {\n\t\t\t\t\tconst figureViewElement = viewElement;\n\t\t\t\t\tconst viewChildren = Array.from(viewWriter.createRangeIn(viewElement).getItems());\n\n\t\t\t\t\tif (elementName === 'image') {\n\t\t\t\t\t\tconst image = viewChildren.find(item => item.is('element', 'img'));\n\n\t\t\t\t\t\tthis._wrapInFigureContentContainer(image, figureViewElement, config, viewWriter);\n\n\t\t\t\t\t\tviewElements = [...viewElements, image];\n\t\t\t\t\t} else if (elementName === 'table' || elementName === 'tableRow') {\n\t\t\t\t\t\tconst childrenToAdd = viewChildren.filter(viewChild => elementsWithCustomClasses.includes(viewChild.name));\n\n\t\t\t\t\t\tviewElements = [...viewElements, ...childrenToAdd];\n\n\t\t\t\t\t\tif (elementName === 'table') {\n\t\t\t\t\t\t\tconst tableAlignment = modelElement.getAttribute('alignment');\n\n\t\t\t\t\t\t\tif (!tableAlignment) {\n\t\t\t\t\t\t\t\tconst defaultAlignClass = `${config.attributesWithCustomClassesMap.alignment}${config.alignmentValuesMap.default}`;\n\n\t\t\t\t\t\t\t\tviewWriter.addClass(defaultAlignClass, figureViewElement);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tviewElements.forEach(viewElement => {\n\t\t\t\tconst elementKey = isNestedElement ? viewElement.name : elementName;\n\t\t\t\tconst elementClasses = config.elementsWithCustomClassesMap[elementKey];\n\n\t\t\t\tviewWriter.addClass(elementClasses, viewElement);\n\t\t\t});\n\t\t}\n\t}\n\n\t_manageAttributesInsertion(config) {\n\t\treturn (evt, data, conversionApi) => {\n\t\t\tconst attributesWithCustomClasses = Object.keys(config.attributesWithCustomClassesMap);\n\t\t\tconst attributeName = data.attributeKey;\n\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\tconst modelElement = data.item;\n\t\t\tconst viewElement = conversionApi.mapper.toViewElement(modelElement);\n\n\t\t\tif (!attributesWithCustomClasses.includes(attributeName)) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif (attributeName === 'linkHref' || attributeName === 'code') {\n\t\t\t\tconst attributeTag = attributeName === 'linkHref' ? 'a' : attributeName;\n\t\t\t\tconst attributePriority = attributeName === 'linkHref' ? 5 : 10;\n\t\t\t\tconst viewSelection = viewWriter.document.selection;\n\t\t\t\tconst viewElement = viewWriter.createAttributeElement(\n\t\t\t\t\tattributeTag,\n\t\t\t\t\t{class: config.attributesWithCustomClassesMap[attributeName]},\n\t\t\t\t\t{priority: attributePriority}\n\t\t\t\t);\n\n\t\t\t\tif (modelElement.is('selection')) {\n\t\t\t\t\tviewWriter.wrap(viewSelection.getFirstRange(), viewElement);\n\t\t\t\t} else {\n\t\t\t\t\tviewWriter.wrap(conversionApi.mapper.toViewRange(data.range), viewElement);\n\t\t\t\t}\n\t\t\t} else if (attributeName === 'alignment') {\n\t\t\t\tif (modelElement.name === 'table') {\n\t\t\t\t\tconst figureViewElement = viewElement;\n\t\t\t\t\t// When the selected align is 'center', data.attributeNewValue is null\n\t\t\t\t\tconst alignmentToApply = config.alignmentValuesMap[data.attributeNewValue || config.alignmentValuesMap.default];\n\t\t\t\t\tconst alignmentClasses = Object\n\t\t\t\t\t\t.values(config.alignmentValuesMap)\n\t\t\t\t\t\t.map(alignmentValue => `${config.attributesWithCustomClassesMap[attributeName]}${alignmentValue}`);\n\n\t\t\t\t\talignmentClasses\n\t\t\t\t\t\t.filter(alignmentClass => figureViewElement.hasClass(alignmentClass))\n\t\t\t\t\t\t.forEach(alignmentClass => viewWriter.removeClass(alignmentClass, figureViewElement));\n\n\t\t\t\t\t// Remove inline alignment styles and classes, they will be handled by\n\t\t\t\t\t// custom classes (ie: op-uc-figure_align-center)\n\t\t\t\t\tif (figureViewElement.hasStyle('float')) {\n\t\t\t\t\t\tviewWriter.removeStyle('float', figureViewElement);\n\t\t\t\t\t}\n\n\t\t\t\t\tviewWriter.addClass(`${config.attributesWithCustomClassesMap[attributeName]}${alignmentToApply}`, figureViewElement);\n\t\t\t\t}\n\t\t\t} else if (attributeName === 'listType') {\n\t\t\t\tconst viewElements = this._manageListItems(viewWriter, modelElement, viewElement, [viewElement], config);\n\n\t\t\t\tviewElements.forEach(viewElement => {\n\t\t\t\t\tconst elementKey = viewElement.name;\n\t\t\t\t\tconst elementClasses = config.elementsWithCustomClassesMap[elementKey];\n\n\t\t\t\t\tviewWriter.addClass(elementClasses, viewElement);\n\t\t\t\t});\n\t\t\t} else if (attributeName === 'headingColumns') {\n\t\t\t\tconst addHeadingColumns = data.attributeNewValue;\n\t\t\t\tconst viewChildren = Array.from(viewWriter.createRangeIn(viewElement).getItems());\n\t\t\t\tconst viewElements = viewChildren.filter(viewChild => Object.keys(config.elementsWithCustomClassesMap).includes(viewChild.name));\n\n\t\t\t\tif (addHeadingColumns) {\n\t\t\t\t\tviewElements.forEach(viewElement => {\n\t\t\t\t\t\tconst elementKey = viewElement.name;\n\t\t\t\t\t\tconst elementClasses = config.elementsWithCustomClassesMap[elementKey];\n\n\t\t\t\t\t\tviewWriter.addClass(elementClasses, viewElement);\n\t\t\t\t\t});\n\t\t\t\t} else {\n\t\t\t\t\tviewElements\n\t\t\t\t\t\t.filter(viewElement => viewElement.hasClass(config.elementsWithCustomClassesMap.th[1]))\n\t\t\t\t\t\t.forEach(viewElement => {\n\t\t\t\t\t\t\tconst nextSibling = viewElement.nextSibling;\n\n\t\t\t\t\t\t\tif (nextSibling && nextSibling.name !== 'th') {\n\t\t\t\t\t\t\t\tviewWriter.removeClass(config.elementsWithCustomClassesMap.th[1], viewElement);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t});\n\t\t\t\t}\n\t\t\t} else if (attributeName === 'width') {\n\t\t\t\tif (viewElement.hasClass('image_resized')) {\n\t\t\t\t\tviewWriter.removeClass('image_resized', viewElement);\n\t\t\t\t}\n\t\t\t} else if (attributeName === 'uploadStatus') {\n\t\t\t\tif (data.attributeNewValue === 'complete') {\n\t\t\t\t\tconst viewChildren = Array.from(viewWriter.createRangeIn(viewElement).getItems());\n\t\t\t\t\tlet placeholderElement = viewChildren.find(viewChild => viewChild.hasClass('ck-upload-placeholder-loader'));\n\n\t\t\t\t\tif (placeholderElement) {\n\t\t\t\t\t\tviewWriter.remove(viewWriter.createRangeOn(placeholderElement));\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t_manageListItems(viewWriter, modelElement, viewElement, viewElements, config) {\n\t\tconst listElement = viewElement.parent;\n\t\tconst listType = modelElement.getAttribute('listType');\n\t\tconst listTypeClass = config.attributesWithCustomClassesMap[listType];\n\t\tconst previousElement = listElement.previousSibling;\n\t\tconst nextElement = listElement.nextSibling;\n\t\tconst previousListElement = previousElement &&\n\t\t\t\t\t\t\t\t\tpreviousElement.name === listElement.name &&\n\t\t\t\t\t\t\t\t\tpreviousElement.hasClass(listTypeClass) ?\n\t\t\t\t\t\t\t\t\t\tpreviousElement :\n\t\t\t\t\t\t\t\t\t\tnull;\n\t\tconst nextListElement = nextElement &&\n\t\t\t\t\t\t\t\tnextElement.name === listElement.name &&\n\t\t\t\t\t\t\t\tnextElement.hasClass(listTypeClass) ?\n\t\t\t\t\t\t\t\t\tnextElement :\n\t\t\t\t\t\t\t\t\tnull;\n\n\t\tif (previousListElement) {\n\t\t\tviewWriter.mergeContainers(viewWriter.createPositionAfter(previousListElement));\n\t\t}\n\n\t\tif (nextListElement) {\n\t\t\tviewWriter.mergeContainers(viewWriter.createPositionBefore(nextListElement));\n\t\t}\n\n\t\tif (listType === 'todo') {\n\t\t\tviewWriter.addClass(listTypeClass, listElement);\n\t\t} else {\n\t\t\t// Remove the op-uc-list_task-list class if present.\n\t\t\t// It could be present for example when the list type has changed\n\t\t\tconst todoListClass = config.attributesWithCustomClassesMap['todo'];\n\n\t\t\tif (listElement.hasClass(todoListClass)) {\n\t\t\t\tviewWriter.removeClass(todoListClass, listElement);\n\t\t\t}\n\t\t}\n\n\t\treturn [...viewElements, listElement];\n\t}\n\n\t_wrapInFigureContentContainer(element, parentElement, config, viewWriter) {\n\t\tconst containerElement = viewWriter.createContainerElement(\n\t\t\t'div',\n\t\t\t{class: config.elementsWithCustomClassesMap.content}\n\t\t);\n\n\t\tviewWriter.insert(viewWriter.createPositionAt(containerElement, 0), element);\n\t\tviewWriter.insert(viewWriter.createPositionAt(parentElement, 0), containerElement);\n\t}\n}\n","export function customItemRenderer( item ) {\n    const itemElement = document.createElement( 'span' );\n\n\titemElement.classList.add( 'mention-list-item' );\n\titemElement.textContent = item.name;\n\n    return itemElement;\n}\n","import { userMentions } from \"./mentions/user-mentions\";\nimport { workPackageMentions } from \"./mentions/work-package-mentions\";\nimport {customItemRenderer} from './mentions/mentions-item-renderer';\n\nexport const defaultConfig = {\n\theading: {\n\t\toptions: [\n\t\t\t{ model: 'paragraph', title: 'Paragraph', class: 'ck-heading_paragraph' },\n\t\t\t{ model: 'heading1', view: 'h1', title: 'Heading 1', class: 'ck-heading_heading1' },\n\t\t\t{ model: 'heading2', view: 'h2', title: 'Heading 2', class: 'ck-heading_heading2' },\n\t\t\t{ model: 'heading3', view: 'h3', title: 'Heading 3', class: 'ck-heading_heading3' },\n\t\t\t{ model: 'heading4', view: 'h4', title: 'Heading 4', class: 'ck-heading_heading4' },\n\t\t\t{ model: 'heading5', view: 'h5', title: 'Heading 5', class: 'ck-heading_heading5' }\n\t\t]\n\t},\n\ttoolbar: {\n\t\t// Will be defined by each build\n\t},\n\tOPMacroEmbeddedTable: {\n\t\ttoolbar: [\n\t\t\t'opEditEmbeddedTableQuery',\n\t\t]\n\t},\n\tOPMacroWpButton: {\n\t\ttoolbar: [\n\t\t\t'opEditWpMacroButton',\n\t\t]\n\t},\n\tOPWikiIncludePage: {\n\t\ttoolbar: [\n\t\t\t'opEditWikiIncludeMacroButton',\n\t\t]\n\t},\n\tOPCodeBlock: {\n\t\ttoolbar: [\n\t\t\t'opEditCodeBlock',\n\t\t]\n\t},\n\tOPChildPages: {\n\t\ttoolbar: [\n\t\t\t'opEditChildPagesMacroButton',\n\t\t]\n\t},\n\timage: {\n\t\tresizeOptions: [\n\t\t\t{\n\t\t\t\tname: 'imageResize:original',\n\t\t\t\tvalue: null,\n\t\t\t\ticon: 'original'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'imageResize:50',\n\t\t\t\tvalue: '50',\n\t\t\t\ticon: 'medium'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'imageResize:75',\n\t\t\t\tvalue: '75',\n\t\t\t\ticon: 'large'\n\t\t\t}\n\t\t],\n\t\ttoolbar: [\n\t\t\t'imageStyle:full',\n\t\t\t'|',\n\t\t\t'imageTextAlternative',\n\t\t\t'|',\n\t\t\t'imageResize:50',\n\t\t\t'imageResize:75',\n\t\t\t'imageResize:original'\n\t\t]\n\t},\n\ttable: {\n\t\tcontentToolbar: [\n\t\t\t'tableColumn', 'tableRow', 'mergeTableCells',\n\t\t\t'tableProperties', 'tableCellProperties'\n\t\t]\n\t},\n\n\tmention: {\n\t\tfeeds: [\n\t\t\t{\n\t\t\t\tmarker: '@',\n\t\t\t\tfeed: userMentions,\n\t\t\t\titemRenderer: customItemRenderer,\n\t\t\t\tminimumCharacters: 0\n\t\t\t},\n\t\t\t{\n\t\t\t\tmarker: '#',\n\t\t\t\tfeed: workPackageMentions,\n\t\t\t\titemRenderer: customItemRenderer,\n\t\t\t\tminimumCharacters: 1\n\t\t\t},\n\t\t]\n\t},\n\n\tlanguage: 'en'\n};\n","import {\n\tgetOPResource,\n\tgetOPPath,\n\tgetPluginContext,\n\tgetOPHelper,\n} from \"../plugins/op-context/op-context\";\n\nexport function userMentions(queryText) {\n\t let editor = this;\n\t let resource = getOPResource(editor);\n\n\t // Unsupported context does not allow mentioning\n\t if (!(resource && resource._type === 'WorkPackage')) {\n\t\treturn [];\n\t }\n\n\tconst project_id = getOPHelper(editor, 'idFromLink')(resource.project.href);\n\tconst url = getOPPath(editor).api.v3.principals(project_id, queryText);\n\tconst pluginContext = getPluginContext(editor);\n\tconst base = window.OpenProject.urlRoot;\n\n\treturn new Promise((resolve, reject) => {\n\t\tjQuery\n\t\t\t.getJSON(url, collection => {\n\t\t\t\tresolve(collection._embedded.elements.map(mention => {\n\t\t\t\t\tconst type = mention._type.toLowerCase();\n\t\t\t\t\tconst text = `@${mention.name}`;\n\t\t\t\t\tconst id = `@${mention.id}`;\n\t\t\t\t\tconst idNumber = mention.id;\n\t\t\t\t\tconst typeSegment = pluginContext.services.apiV3Service[`${type}s`].segment;\n\t\t\t\t\tconst link = `${base}/${typeSegment}/${idNumber}`;\n\n\t\t\t\t\treturn { type, id, text, link, idNumber, name: mention.name };\n\t\t\t\t}));\n\t\t\t});\n\t\t})\n}\n","import { getOPResource, getOPPath } from \"../plugins/op-context/op-context\";\n\nexport function workPackageMentions(query) {\n\tconst url = window.OpenProject.urlRoot + `/work_packages/auto_complete.json`;\n\tlet base = window.OpenProject.urlRoot + `/work_packages/`;\n\n\treturn new Promise((resolve, reject) => {\n\t\tjQuery\n\t\t\t.getJSON(url, {q: query, scope: 'all'}, collection => {\n\t\t\t\tresolve(collection.map(wp => {\n\t\t\t\t\tconst id = `#${wp.id}`;\n\t\t\t\t\tconst idNumber = wp.id;\n\n\t\t\t\t\treturn { id, idNumber, type: 'work_package', text: id, name: wp.to_s, link: base + wp.id };\n\t\t\t\t}));\n\t\t\t});\n\t\t})\n}\n","import {opImageUploadPlugins, opMacroPlugins} from './op-plugins';\n\nexport function configurationCustomizer(editorClass) {\n\treturn (wrapper, configuration) => {\n\t\tconst context = configuration.openProject.context;\n\n\t\t// We're going to remove some plugins from the default configuration\n\t\t// when we detect they are unsupported in the current context\n\t\tconfiguration.removePlugins = configuration.removePlugins || [];\n\n\t\t// Disable uploading if there is no resource with uploadAttachment\n\t\tconst resource = context.resource;\n\t\tif (!(resource && resource.canAddAttachments)) {\n\t\t\tconfiguration.removePlugins.push(...opImageUploadPlugins.map(el => el.pluginName))\n\t\t}\n\n\t\t// Disable macros entirely\n\t\tif (context.macros === false) {\n\t\t\tconfiguration.openProject.disableAllMacros = true;\n\t\t\tconfiguration.removePlugins.push(...opMacroPlugins.map(el => el.pluginName))\n\t\t}\n\n\t\t// Enable selective macros\n\t\tif (Array.isArray(context.macros)) {\n\t\t\tconst disabledMacros = opMacroPlugins.filter(plugin => context.macros.indexOf(plugin.pluginName) === -1);\n\t\t\tconfiguration.removePlugins.push(...disabledMacros);\n\t\t}\n\n\t\t// Return the original promise for instance creation\n\t\treturn editorClass.create(wrapper, configuration).then(editor => {\n\t\t\treturn editor;\n\t\t});\n\t};\n}\n","import DecoupledEditorBase from '@ckeditor/ckeditor5-editor-decoupled/src/decouplededitor';\nimport EditorWatchdog from '@ckeditor/ckeditor5-watchdog/src/editorwatchdog';\nimport {builtinPlugins} from './op-plugins';\nimport {defaultConfig} from \"./op-ckeditor-config\";\nimport {configurationCustomizer} from './op-config-customizer';\n\nexport class ConstrainedEditor extends DecoupledEditorBase {}\nexport class FullEditor extends DecoupledEditorBase {}\n\n// Export the two common interfaces\nwindow.OPConstrainedEditor = ConstrainedEditor;\nwindow.OPClassicEditor = FullEditor;\n\n// Export the Watchdog feature\nwindow.OPEditorWatchdog = EditorWatchdog;\n\nFullEditor.createCustomized = configurationCustomizer(FullEditor);\nFullEditor.builtinPlugins = builtinPlugins;\nFullEditor.defaultConfig = Object.assign({}, defaultConfig);\nFullEditor.defaultConfig.toolbar = {\n\t\titems: [\n\t\t\t'heading',\n\t\t\t'|',\n\t\t\t'bold',\n\t\t\t'italic',\n\t\t\t'strikethrough',\n\t\t\t'code',\n\t\t\t'insertCodeBlock',\n\t\t\t'link',\n\t\t\t'bulletedList',\n\t\t\t'numberedList',\n\t\t\t'todoList',\n\t\t\t'imageUpload',\n\t\t\t'blockQuote',\n\t\t\t'|',\n\t\t\t'insertTable',\n\t\t\t'macroList',\n\t\t\t'|',\n\t\t\t'undo',\n\t\t\t'redo',\n\t\t\t'openProjectShowFormattingHelp',\n\t\t\t'|',\n\t\t\t'preview',\n\t\t\t'opShowSource'\n\t\t]\n};\n\nConstrainedEditor.createCustomized = configurationCustomizer(ConstrainedEditor);\nConstrainedEditor.builtinPlugins = builtinPlugins;\nConstrainedEditor.defaultConfig = Object.assign({}, defaultConfig);\nConstrainedEditor.defaultConfig.toolbar = {\n\titems: [\n\t\t'bold',\n\t\t'italic',\n\t\t'strikethrough',\n\t\t'code',\n\t\t'insertCodeBlock',\n\t\t'link',\n\t\t'bulletedList',\n\t\t'numberedList',\n\t\t'todoList',\n\t\t'imageUpload',\n\t\t'blockQuote',\n\t\t'|',\n\t\t'openProjectShowFormattingHelp',\n\t\t'preview',\n\t\t'opShowSource'\n\t]\n};\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module watchdog/editorwatchdog\n */\n\n/* globals console */\n\nimport { throttle, cloneDeepWith, isElement } from 'lodash-es';\nimport areConnectedThroughProperties from './utils/areconnectedthroughproperties';\nimport Watchdog from './watchdog';\n\n/**\n * A watchdog for CKEditor 5 editors.\n *\n * See the {@glink features/watchdog Watchdog feature guide} to learn the rationale behind it and\n * how to use it.\n *\n * @extends {module:watchdog/watchdog~Watchdog}\n */\nexport default class EditorWatchdog extends Watchdog {\n\t/**\n\t * @param {*} Editor The editor class.\n\t * @param {module:watchdog/watchdog~WatchdogConfig} [watchdogConfig] The watchdog plugin configuration.\n\t */\n\tconstructor( Editor, watchdogConfig = {} ) {\n\t\tsuper( watchdogConfig );\n\n\t\t/**\n\t\t * The current editor instance.\n\t\t *\n\t\t * @private\n\t\t * @type {module:core/editor/editor~Editor}\n\t\t */\n\t\tthis._editor = null;\n\n\t\t/**\n\t\t * Throttled save method. The `save()` method is called the specified `saveInterval` after `throttledSave()` is called,\n\t\t * unless a new action happens in the meantime.\n\t\t *\n\t\t * @private\n\t\t * @type {Function}\n\t\t */\n\t\tthis._throttledSave = throttle(\n\t\t\tthis._save.bind( this ),\n\t\t\ttypeof watchdogConfig.saveInterval === 'number' ? watchdogConfig.saveInterval : 5000\n\t\t);\n\n\t\t/**\n\t\t * The latest saved editor data represented as a root name -> root data object.\n\t\t *\n\t\t * @private\n\t\t * @member {Object.<String,String>} #_data\n\t\t */\n\n\t\t/**\n\t\t * The last document version.\n\t\t *\n\t\t * @private\n\t\t * @member {Number} #_lastDocumentVersion\n\t\t */\n\n\t\t/**\n\t\t * The editor source element or data.\n\t\t *\n\t\t * @private\n\t\t * @member {HTMLElement|String|Object.<String|String>} #_elementOrData\n\t\t */\n\n\t\t/**\n\t\t * The editor configuration.\n\t\t *\n\t\t * @private\n\t\t * @member {Object|undefined} #_config\n\t\t */\n\n\t\t// Set default creator and destructor functions:\n\t\tthis._creator = ( ( elementOrData, config ) => Editor.create( elementOrData, config ) );\n\t\tthis._destructor = editor => editor.destroy();\n\t}\n\n\t/**\n\t * The current editor instance.\n\t *\n\t * @readonly\n\t * @type {module:core/editor/editor~Editor}\n\t */\n\tget editor() {\n\t\treturn this._editor;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget _item() {\n\t\treturn this._editor;\n\t}\n\n\t/**\n\t * Sets the function that is responsible for the editor creation.\n\t * It expects a function that should return a promise.\n\t *\n\t *\t\twatchdog.setCreator( ( element, config ) => ClassicEditor.create( element, config ) );\n\t *\n\t * @method #setCreator\n\t * @param {Function} creator\n\t */\n\n\t/**\n\t * Sets the function that is responsible for the editor destruction.\n\t * Overrides the default destruction function, which destroys only the editor instance.\n\t * It expects a function that should return a promise or `undefined`.\n\t *\n\t *\t\twatchdog.setDestructor( editor => {\n\t *\t\t\t// Do something before the editor is destroyed.\n\t *\n\t *\t\t\treturn editor\n\t *\t\t\t\t.destroy()\n\t *\t\t\t\t.then( () => {\n\t *\t\t\t\t\t// Do something after the editor is destroyed.\n\t *\t\t\t\t} );\n\t *\t\t} );\n\t *\n\t * @method #setDestructor\n\t * @param {Function} destructor\n\t */\n\n\t/**\n\t * Restarts the editor instance. This method is called whenever an editor error occurs. It fires the `restart` event and changes\n\t * the state to `initializing`.\n\t *\n\t * @protected\n\t * @fires restart\n\t * @returns {Promise}\n\t */\n\t_restart() {\n\t\treturn Promise.resolve()\n\t\t\t.then( () => {\n\t\t\t\tthis.state = 'initializing';\n\t\t\t\tthis._fire( 'stateChange' );\n\n\t\t\t\treturn this._destroy();\n\t\t\t} )\n\t\t\t.catch( err => {\n\t\t\t\tconsole.error( 'An error happened during the editor destroying.', err );\n\t\t\t} )\n\t\t\t.then( () => {\n\t\t\t\tif ( typeof this._elementOrData === 'string' ) {\n\t\t\t\t\treturn this.create( this._data, this._config, this._config.context );\n\t\t\t\t} else {\n\t\t\t\t\tconst updatedConfig = Object.assign( {}, this._config, {\n\t\t\t\t\t\tinitialData: this._data\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn this.create( this._elementOrData, updatedConfig, updatedConfig.context );\n\t\t\t\t}\n\t\t\t} )\n\t\t\t.then( () => {\n\t\t\t\tthis._fire( 'restart' );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Creates the editor instance and keeps it running, using the defined creator and destructor.\n\t *\n\t * @param {HTMLElement|String|Object.<String|String>} [elementOrData] The editor source element or the editor data.\n\t * @param {module:core/editor/editorconfig~EditorConfig} [config] The editor configuration.\n\t * @param {Object} [context] A context for the editor.\n\t *\n\t * @returns {Promise}\n\t */\n\tcreate( elementOrData = this._elementOrData, config = this._config, context ) {\n\t\treturn Promise.resolve()\n\t\t\t.then( () => {\n\t\t\t\tsuper._startErrorHandling();\n\n\t\t\t\tthis._elementOrData = elementOrData;\n\n\t\t\t\t// Clone configuration because it might be shared within multiple watchdog instances. Otherwise,\n\t\t\t\t// when an error occurs in one of these editors, the watchdog will restart all of them.\n\t\t\t\tthis._config = this._cloneEditorConfiguration( config ) || {};\n\n\t\t\t\tthis._config.context = context;\n\n\t\t\t\treturn this._creator( elementOrData, this._config );\n\t\t\t} )\n\t\t\t.then( editor => {\n\t\t\t\tthis._editor = editor;\n\n\t\t\t\teditor.model.document.on( 'change:data', this._throttledSave );\n\n\t\t\t\tthis._lastDocumentVersion = editor.model.document.version;\n\t\t\t\tthis._data = this._getData();\n\n\t\t\t\tthis.state = 'ready';\n\t\t\t\tthis._fire( 'stateChange' );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Destroys the watchdog and the current editor instance. It fires the callback\n\t * registered in {@link #setDestructor `setDestructor()`} and uses it to destroy the editor instance.\n\t * It also sets the state to `destroyed`.\n\t *\n\t * @returns {Promise}\n\t */\n\tdestroy() {\n\t\treturn Promise.resolve()\n\t\t\t.then( () => {\n\t\t\t\tthis.state = 'destroyed';\n\t\t\t\tthis._fire( 'stateChange' );\n\n\t\t\t\tsuper.destroy();\n\n\t\t\t\treturn this._destroy();\n\t\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t * @returns {Promise}\n\t */\n\t_destroy() {\n\t\treturn Promise.resolve()\n\t\t\t.then( () => {\n\t\t\t\tthis._stopErrorHandling();\n\n\t\t\t\t// Save data if there is a remaining editor data change.\n\t\t\t\tthis._throttledSave.flush();\n\n\t\t\t\tconst editor = this._editor;\n\n\t\t\t\tthis._editor = null;\n\n\t\t\t\treturn this._destructor( editor );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Saves the editor data, so it can be restored after the crash even if the data cannot be fetched at\n\t * the moment of the crash.\n\t *\n\t * @private\n\t */\n\t_save() {\n\t\tconst version = this._editor.model.document.version;\n\n\t\t// Operation may not result in a model change, so the document's version can be the same.\n\t\tif ( version === this._lastDocumentVersion ) {\n\t\t\treturn;\n\t\t}\n\n\t\ttry {\n\t\t\tthis._data = this._getData();\n\t\t\tthis._lastDocumentVersion = version;\n\t\t} catch ( err ) {\n\t\t\tconsole.error(\n\t\t\t\terr,\n\t\t\t\t'An error happened during restoring editor data. ' +\n\t\t\t\t'Editor will be restored from the previously saved data.'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * @protected\n\t * @param {Set} props\n\t */\n\t_setExcludedProperties( props ) {\n\t\tthis._excludedProps = props;\n\t}\n\n\t/**\n\t * Returns the editor data.\n\t *\n\t * @private\n\t * @returns {Object<String,String>}\n\t */\n\t_getData() {\n\t\tconst data = {};\n\n\t\tfor ( const rootName of this._editor.model.document.getRootNames() ) {\n\t\t\tdata[ rootName ] = this._editor.data.get( { rootName } );\n\t\t}\n\n\t\treturn data;\n\t}\n\n\t/**\n\t * Traverses the error context and the current editor to find out whether these structures are connected\n\t * to each other via properties.\n\t *\n\t * @protected\n\t * @param {module:utils/ckeditorerror~CKEditorError} error\n\t */\n\t_isErrorComingFromThisItem( error ) {\n\t\treturn areConnectedThroughProperties( this._editor, error.context, this._excludedProps );\n\t}\n\n\t/**\n\t * Clones the editor configuration.\n\t *\n\t * @private\n\t * @param {Object} config\n\t */\n\t_cloneEditorConfiguration( config ) {\n\t\treturn cloneDeepWith( config, ( value, key ) => {\n\t\t\t// Leave DOM references.\n\t\t\tif ( isElement( value ) ) {\n\t\t\t\treturn value;\n\t\t\t}\n\n\t\t\tif ( key === 'context' ) {\n\t\t\t\treturn value;\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Fired after the watchdog restarts the error in case of a crash.\n\t *\n\t * @event restart\n\t */\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module watchdog/watchdog\n */\n\n/* globals window */\n\n/**\n * An abstract watchdog class that handles most of the error handling process and the state of the underlying component.\n *\n * See the {@glink features/watchdog Watchdog feature guide} to learn the rationale behind it and how to use it.\n *\n * @private\n * @abstract\n */\nexport default class Watchdog {\n\t/**\n\t * @param {module:watchdog/watchdog~WatchdogConfig} config The watchdog plugin configuration.\n\t */\n\tconstructor( config ) {\n\t\t/**\n\t\t * An array of crashes saved as an object with the following properties:\n\t\t *\n\t\t * * `message`: `String`,\n\t\t * * `stack`: `String`,\n\t\t * * `date`: `Number`,\n\t\t * * `filename`: `String | undefined`,\n\t\t * * `lineno`: `Number | undefined`,\n\t\t * * `colno`: `Number | undefined`,\n\t\t *\n\t\t * @public\n\t\t * @readonly\n\t\t * @type {Array.<Object>}\n\t\t */\n\t\tthis.crashes = [];\n\n\t\t/**\n\t\t * Specifies the state of the item watched by the watchdog. The state can be one of the following values:\n\t\t *\n\t\t * * `initializing` &ndash; Before the first initialization, and after crashes, before the item is ready.\n\t\t * * `ready` &ndash; A state when the user can interact with the item.\n\t\t * * `crashed` &ndash; A state when an error occurs. It quickly changes to `initializing` or `crashedPermanently`\n\t\t * depending on how many and how frequent errors have been caught recently.\n\t\t * * `crashedPermanently` &ndash; A state when the watchdog stops reacting to errors and keeps the item it is watching crashed,\n\t\t * * `destroyed` &ndash; A state when the item is manually destroyed by the user after calling `watchdog.destroy()`.\n\t\t *\n\t\t * @public\n\t\t * @type {'initializing'|'ready'|'crashed'|'crashedPermanently'|'destroyed'}\n\t\t */\n\t\tthis.state = 'initializing';\n\n\t\t/**\n\t\t * @protected\n\t\t * @type {Number}\n\t\t * @see module:watchdog/watchdog~WatchdogConfig\n\t\t */\n\t\tthis._crashNumberLimit = typeof config.crashNumberLimit === 'number' ? config.crashNumberLimit : 3;\n\n\t\t/**\n\t\t * Returns the result of the `Date.now()` call. It can be overridden in tests to mock time as some popular\n\t\t * approaches like `sinon.useFakeTimers()` do not work well with error handling.\n\t\t *\n\t\t * @protected\n\t\t */\n\t\tthis._now = Date.now;\n\n\t\t/**\n\t\t * @protected\n\t\t * @type {Number}\n\t\t * @see module:watchdog/watchdog~WatchdogConfig\n\t\t */\n\t\tthis._minimumNonErrorTimePeriod = typeof config.minimumNonErrorTimePeriod === 'number' ? config.minimumNonErrorTimePeriod : 5000;\n\n\t\t/**\n\t\t * Checks if the event error comes from the underlying item and restarts the item.\n\t\t *\n\t\t * @private\n\t\t * @type {Function}\n\t\t */\n\t\tthis._boundErrorHandler = evt => {\n\t\t\t// `evt.error` is exposed by EventError while `evt.reason` is available in PromiseRejectionEvent.\n\t\t\tconst error = evt.error || evt.reason;\n\n\t\t\t// Note that `evt.reason` might be everything that is in the promise rejection.\n\t\t\t// Similarly everything that is thrown lands in `evt.error`.\n\t\t\tif ( error instanceof Error ) {\n\t\t\t\tthis._handleError( error, evt );\n\t\t\t}\n\t\t};\n\n\t\t/**\n\t\t * The creation method.\n\t\t *\n\t\t * @protected\n\t\t * @member {Function} #_creator\n\t\t * @see #setCreator\n\t\t */\n\n\t\t/**\n\t\t * The destruction method.\n\t\t *\n\t\t * @protected\n\t\t * @member {Function} #_destructor\n\t\t * @see #setDestructor\n\t\t */\n\n\t\t/**\n\t\t * The watched item.\n\t\t *\n\t\t * @abstract\n\t\t * @protected\n\t\t * @member {Object|undefined} #_item\n\t\t */\n\n\t\t/**\n\t\t * The method responsible for restarting the watched item.\n\t\t *\n\t\t * @abstract\n\t\t * @protected\n\t\t * @method #_restart\n\t\t */\n\n\t\t/**\n\t\t * Traverses the error context and the watched item to find out whether the error should\n\t\t * be handled by the given item.\n\t\t *\n\t\t * @abstract\n\t\t * @protected\n\t\t * @method #_isErrorComingFromThisItem\n\t\t * @param {module:utils/ckeditorerror~CKEditorError} error\n\t\t */\n\n\t\t/**\n\t\t * A dictionary of event emitter listeners.\n\t\t *\n\t\t * @private\n\t\t * @type {Object.<String,Array.<Function>>}\n\t\t */\n\t\tthis._listeners = {};\n\n\t\tif ( !this._restart ) {\n\t\t\tthrow new Error(\n\t\t\t\t'The Watchdog class was split into the abstract `Watchdog` class and the `EditorWatchdog` class. ' +\n\t\t\t\t'Please, use `EditorWatchdog` if you have used the `Watchdog` class previously.'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Sets the function that is responsible for creating watched items.\n\t *\n\t * @param {Function} creator A callback responsible for creating an item. Returns a promise\n\t * that is resolved when the item is created.\n\t */\n\tsetCreator( creator ) {\n\t\tthis._creator = creator;\n\t}\n\n\t/**\n\t * Sets the function that is responsible for destroying watched items.\n\t *\n\t * @param {Function} destructor A callback that takes the item and returns the promise\n\t * to the destroying process.\n\t */\n\tsetDestructor( destructor ) {\n\t\tthis._destructor = destructor;\n\t}\n\n\t/**\n\t * Destroys the watchdog and releases the resources.\n\t */\n\tdestroy() {\n\t\tthis._stopErrorHandling();\n\n\t\tthis._listeners = {};\n\t}\n\n\t/**\n\t * Starts listening to a specific event name by registering a callback that will be executed\n\t * whenever an event with a given name fires.\n\t *\n\t * Note that this method differs from the CKEditor 5's default `EventEmitterMixin` implementation.\n\t *\n\t * @param {String} eventName The event name.\n\t * @param {Function} callback A callback which will be added to event listeners.\n\t */\n\ton( eventName, callback ) {\n\t\tif ( !this._listeners[ eventName ] ) {\n\t\t\tthis._listeners[ eventName ] = [];\n\t\t}\n\n\t\tthis._listeners[ eventName ].push( callback );\n\t}\n\n\t/**\n\t * Stops listening to the specified event name by removing the callback from event listeners.\n\t *\n\t * Note that this method differs from the CKEditor 5's default `EventEmitterMixin` implementation.\n\t *\n\t * @param {String} eventName The event name.\n\t * @param {Function} callback A callback which will be removed from event listeners.\n\t */\n\toff( eventName, callback ) {\n\t\tthis._listeners[ eventName ] = this._listeners[ eventName ]\n\t\t\t.filter( cb => cb !== callback );\n\t}\n\n\t/**\n\t * Fires an event with a given event name and arguments.\n\t *\n\t * Note that this method differs from the CKEditor 5's default `EventEmitterMixin` implementation.\n\t *\n\t * @protected\n\t * @param {String} eventName The event name.\n\t * @param  {...*} args Event arguments.\n\t */\n\t_fire( eventName, ...args ) {\n\t\tconst callbacks = this._listeners[ eventName ] || [];\n\n\t\tfor ( const callback of callbacks ) {\n\t\t\tcallback.apply( this, [ null, ...args ] );\n\t\t}\n\t}\n\n\t/**\n\t * Starts error handling by attaching global error handlers.\n\t *\n\t * @protected\n\t */\n\t_startErrorHandling() {\n\t\twindow.addEventListener( 'error', this._boundErrorHandler );\n\t\twindow.addEventListener( 'unhandledrejection', this._boundErrorHandler );\n\t}\n\n\t/**\n\t * Stops error handling by detaching global error handlers.\n\t *\n\t * @protected\n\t */\n\t_stopErrorHandling() {\n\t\twindow.removeEventListener( 'error', this._boundErrorHandler );\n\t\twindow.removeEventListener( 'unhandledrejection', this._boundErrorHandler );\n\t}\n\n\t/**\n\t * Checks if an error comes from the watched item and restarts it.\n\t * It reacts to {@link module:utils/ckeditorerror~CKEditorError `CKEditorError` errors} only.\n\t *\n\t * @private\n\t * @fires error\n\t * @param {Error} error Error.\n\t * @param {ErrorEvent|PromiseRejectionEvent} evt An error event.\n\t */\n\t_handleError( error, evt ) {\n\t\t// @if CK_DEBUG // if ( error.is && error.is( 'CKEditorError' ) && error.context === undefined ) {\n\t\t// @if CK_DEBUG // console.warn( 'The error is missing its context and Watchdog cannot restart the proper item.' );\n\t\t// @if CK_DEBUG // }\n\n\t\tif ( this._shouldReactToError( error ) ) {\n\t\t\tthis.crashes.push( {\n\t\t\t\tmessage: error.message,\n\t\t\t\tstack: error.stack,\n\n\t\t\t\t// `evt.filename`, `evt.lineno` and `evt.colno` are available only in ErrorEvent events\n\t\t\t\tfilename: evt.filename,\n\t\t\t\tlineno: evt.lineno,\n\t\t\t\tcolno: evt.colno,\n\t\t\t\tdate: this._now()\n\t\t\t} );\n\n\t\t\tconst causesRestart = this._shouldRestart();\n\n\t\t\tthis.state = 'crashed';\n\t\t\tthis._fire( 'stateChange' );\n\t\t\tthis._fire( 'error', { error, causesRestart } );\n\n\t\t\tif ( causesRestart ) {\n\t\t\t\tthis._restart();\n\t\t\t} else {\n\t\t\t\tthis.state = 'crashedPermanently';\n\t\t\t\tthis._fire( 'stateChange' );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether an error should be handled by the watchdog.\n\t *\n\t * @private\n\t * @param {Error} error An error that was caught by the error handling process.\n\t */\n\t_shouldReactToError( error ) {\n\t\treturn (\n\t\t\terror.is &&\n\t\t\terror.is( 'CKEditorError' ) &&\n\t\t\terror.context !== undefined &&\n\n\t\t\t// In some cases the watched item should not be restarted - e.g. during the item initialization.\n\t\t\t// That's why the `null` was introduced as a correct error context which does cause restarting.\n\t\t\terror.context !== null &&\n\n\t\t\t// Do not react to errors if the watchdog is in states other than `ready`.\n\t\t\tthis.state === 'ready' &&\n\n\t\t\tthis._isErrorComingFromThisItem( error )\n\t\t);\n\t}\n\n\t/**\n\t * Checks if the watchdog should restart the underlying item.\n\t *\n\t * @private\n\t */\n\t_shouldRestart() {\n\t\tif ( this.crashes.length <= this._crashNumberLimit ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tconst lastErrorTime = this.crashes[ this.crashes.length - 1 ].date;\n\t\tconst firstMeaningfulErrorTime = this.crashes[ this.crashes.length - 1 - this._crashNumberLimit ].date;\n\n\t\tconst averageNonErrorTimePeriod = ( lastErrorTime - firstMeaningfulErrorTime ) / this._crashNumberLimit;\n\n\t\treturn averageNonErrorTimePeriod > this._minimumNonErrorTimePeriod;\n\t}\n\n\t/**\n\t * Fired when a new {@link module:utils/ckeditorerror~CKEditorError `CKEditorError`} error connected to the watchdog instance occurs\n\t * and the watchdog will react to it.\n\t *\n\t * \twatchdog.on( 'error', ( evt, { error, causesRestart } ) => {\n\t * \t\tconsole.log( 'An error occurred.' );\n\t * \t} );\n\t *\n\t * @event error\n\t */\n}\n\n/**\n * The watchdog plugin configuration.\n *\n * @typedef {Object} WatchdogConfig\n *\n * @property {Number} [crashNumberLimit=3] A threshold specifying the number of watched item crashes\n * when the watchdog stops restarting the item in case of errors.\n * After this limit is reached and the time between the last errors is shorter than `minimumNonErrorTimePeriod`,\n * the watchdog changes its state to `crashedPermanently` and it stops restarting the item. This prevents an infinite restart loop.\n *\n * @property {Number} [minimumNonErrorTimePeriod=5000] An average number of milliseconds between the last watched item errors\n * (defaults to 5000). When the period of time between errors is lower than that and the `crashNumberLimit` is also reached,\n * the watchdog changes its state to `crashedPermanently` and it stops restarting the item. This prevents an infinite restart loop.\n *\n * @property {Number} [saveInterval=5000] A minimum number of milliseconds between saving the editor data internally (defaults to 5000).\n * Note that for large documents this might impact the editor performance.\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module watchdog/utils/areconnectedthroughproperties\n */\n\n/* globals console */\n\nimport getSubNodes from './getsubnodes';\n\n/**\n * Traverses both structures to find out whether there is a reference that is shared between both structures.\n *\n * @param {Object|Array} target1\n * @param {Object|Array} target2\n */\nexport default function areConnectedThroughProperties( target1, target2, excludedNodes = new Set() ) {\n\tif ( target1 === target2 && isObject( target1 ) ) {\n\t\treturn true;\n\t}\n\n\t// @if CK_DEBUG_WATCHDOG // return checkConnectionBetweenProps( target1, target2, excludedNodes );\n\n\tconst subNodes1 = getSubNodes( target1, excludedNodes );\n\tconst subNodes2 = getSubNodes( target2, excludedNodes );\n\n\tfor ( const node of subNodes1 ) {\n\t\tif ( subNodes2.has( node ) ) {\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\n/* istanbul ignore next */\n// eslint-disable-next-line\nfunction checkConnectionBetweenProps( target1, target2, excludedNodes ) {\n\tconst { subNodes: subNodes1, prevNodeMap: prevNodeMap1 } = getSubNodes( target1, excludedNodes.subNodes );\n\tconst { subNodes: subNodes2, prevNodeMap: prevNodeMap2 } = getSubNodes( target2, excludedNodes.subNodes );\n\n\tfor ( const sharedNode of subNodes1 ) {\n\t\tif ( subNodes2.has( sharedNode ) ) {\n\t\t\tconst connection = [];\n\n\t\t\tconnection.push( sharedNode );\n\n\t\t\tlet node = prevNodeMap1.get( sharedNode );\n\n\t\t\twhile ( node && node !== target1 ) {\n\t\t\t\tconnection.push( node );\n\t\t\t\tnode = prevNodeMap1.get( node );\n\t\t\t}\n\n\t\t\tnode = prevNodeMap2.get( sharedNode );\n\n\t\t\twhile ( node && node !== target2 ) {\n\t\t\t\tconnection.unshift( node );\n\t\t\t\tnode = prevNodeMap2.get( node );\n\t\t\t}\n\n\t\t\tconsole.log( '--------' );\n\t\t\tconsole.log( { target1 } );\n\t\t\tconsole.log( { sharedNode } );\n\t\t\tconsole.log( { target2 } );\n\t\t\tconsole.log( { connection } );\n\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\nfunction isObject( structure ) {\n\treturn typeof structure === 'object' && structure !== null;\n}\n"],"sourceRoot":""}
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All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/* See ckeditor/ckeditor5#936. */\\n.ck.ck-placeholder, .ck .ck-placeholder {\\n\\t&::before {\\n\\t\\tcursor: text;\\n\\t\\tcolor: var(--ck-color-engine-placeholder-text);\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-editor__editable span[data-ck-unsafe-element]{display:none}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-engine/theme/renderer.css\"],\"names\":[],\"mappings\":\"AAMA,qDACC,YACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/* Elements marked by the Renderer as hidden should be invisible in the editor. */\\n.ck.ck-editor__editable span[data-ck-unsafe-element] {\\n\\tdisplay: none;\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-heading_heading1{font-size:20px}.ck.ck-heading_heading2{font-size:17px}.ck.ck-heading_heading3{font-size:14px}.ck[class*=ck-heading_heading]{font-weight:700}.ck.ck-dropdown.ck-heading-dropdown .ck-dropdown__button .ck-button__label{width:8em}.ck.ck-dropdown.ck-heading-dropdown .ck-dropdown__panel .ck-list__item{min-width:18em}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-heading/theme/heading.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-heading/heading.css\"],\"names\":[],\"mappings\":\"AAKA,wBACC,cACD,CAEA,wBACC,cACD,CAEA,wBACC,cACD,CAEA,+BACC,eACD,CCZC,2EACC,SACD,CAEA,uEACC,cACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-heading_heading1 {\\n\\tfont-size: 20px;\\n}\\n\\n.ck.ck-heading_heading2 {\\n\\tfont-size: 17px;\\n}\\n\\n.ck.ck-heading_heading3 {\\n\\tfont-size: 14px;\\n}\\n\\n.ck[class*=\\\"ck-heading_heading\\\"] {\\n\\tfont-weight: bold;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/* Resize dropdown's button label. */\\n.ck.ck-dropdown.ck-heading-dropdown {\\n\\t& .ck-dropdown__button .ck-button__label {\\n\\t\\twidth: 8em;\\n\\t}\\n\\n\\t& .ck-dropdown__panel .ck-list__item {\\n\\t\\tmin-width: 18em;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck-content .image{display:table;clear:both;text-align:center;margin:.9em auto;min-width:50px}.ck-content .image img{display:block;margin:0 auto;max-width:100%;min-width:100%}.ck-content .image-inline{display:inline-flex;max-width:100%;align-items:flex-start}.ck-content .image-inline picture{display:flex}.ck-content .image-inline img,.ck-content .image-inline picture{flex-grow:1;flex-shrink:1;max-width:100%}.ck.ck-editor__editable .image>figcaption.ck-placeholder:before{padding-left:inherit;padding-right:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ck.ck-editor__editable .image-inline.ck-widget_selected,.ck.ck-editor__editable .image.ck-widget_selected{z-index:1}.ck.ck-editor__editable .image-inline.ck-widget_selected ::selection{display:none}.ck.ck-editor__editable td .image-inline img,.ck.ck-editor__editable th .image-inline img{max-width:none}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-image/theme/image.css\"],\"names\":[],\"mappings\":\"AAMC,mBACC,aAAc,CACd,UAAW,CACX,iBAAkB,CAKlB,gBAAkB,CAGlB,cAeD,CAbC,uBAEC,aAAc,CAGd,aAAc,CAGd,cAAe,CAGf,cACD,CAGD,0BAMC,mBAAoB,CAGpB,cAAe,CAGf,sBAiBD,CAdC,kCACC,YACD,CAGA,gEAGC,WAAY,CACZ,aAAc,CAGd,cACD,CAUD,gEACC,oBAAqB,CACrB,qBAAsB,CAMtB,kBAAmB,CACnB,eAAgB,CAChB,sBACD,CAWA,2GACC,SAUD,CAHC,qEACC,YACD,CAOA,0FACC,cACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck-content {\\n\\t& .image {\\n\\t\\tdisplay: table;\\n\\t\\tclear: both;\\n\\t\\ttext-align: center;\\n\\n\\t\\t/* Make sure there is some space between the content and the image. Center image by default. */\\n\\t\\t/* The first value should be equal to --ck-spacing-large variable if used in the editor context\\n\\t \\tto avoid the content jumping (See https://github.com/ckeditor/ckeditor5/issues/9825). */\\n\\t\\tmargin: 0.9em auto;\\n\\n\\t\\t/* Make sure the caption will be displayed properly (See: https://github.com/ckeditor/ckeditor5/issues/1870). */\\n\\t\\tmin-width: 50px;\\n\\n\\t\\t& img {\\n\\t\\t\\t/* Prevent unnecessary margins caused by line-height (see #44). */\\n\\t\\t\\tdisplay: block;\\n\\n\\t\\t\\t/* Center the image if its width is smaller than the content's width. */\\n\\t\\t\\tmargin: 0 auto;\\n\\n\\t\\t\\t/* Make sure the image never exceeds the size of the parent container (ckeditor/ckeditor5-ui#67). */\\n\\t\\t\\tmax-width: 100%;\\n\\n\\t\\t\\t/* Make sure the image is never smaller than the parent container (See: https://github.com/ckeditor/ckeditor5/issues/9300). */\\n\\t\\t\\tmin-width: 100%\\n\\t\\t}\\n\\t}\\n\\n\\t& .image-inline {\\n\\t\\t/*\\n\\t\\t * Normally, the .image-inline would have \\\"display: inline-block\\\" and \\\"img { width: 100% }\\\" (to follow the wrapper while resizing).\\n\\t\\t * Unfortunately, together with \\\"srcset\\\", it gets automatically stretched up to the width of the editing root.\\n\\t\\t * This strange behavior does not happen with inline-flex.\\n\\t\\t */\\n\\t\\tdisplay: inline-flex;\\n\\n\\t\\t/* While being resized, don't allow the image to exceed the width of the editing root. */\\n\\t\\tmax-width: 100%;\\n\\n\\t\\t/* This is required by Safari to resize images in a sensible way. Without this, the browser breaks the ratio. */\\n\\t\\talign-items: flex-start;\\n\\n\\t\\t/* When the picture is present it must act as a flex container to let the img resize properly */\\n\\t\\t& picture {\\n\\t\\t\\tdisplay: flex;\\n\\t\\t}\\n\\n\\t\\t/* When the picture is present, it must act like a resizable img. */\\n\\t\\t& picture,\\n\\t\\t& img {\\n\\t\\t\\t/* This is necessary for the img to span the entire .image-inline wrapper and to resize properly. */\\n\\t\\t\\tflex-grow: 1;\\n\\t\\t\\tflex-shrink: 1;\\n\\n\\t\\t\\t/* Prevents overflowing the editing root boundaries when an inline image is very wide. */\\n\\t\\t\\tmax-width: 100%;\\n\\t\\t}\\n\\t}\\n}\\n\\n.ck.ck-editor__editable {\\n\\t/*\\n\\t * Inhertit the content styles padding of the <figcaption> in case the integration overrides `text-align: center`\\n\\t * of `.image` (e.g. to the left/right). This ensures the placeholder stays at the padding just like the native\\n\\t * caret does, and not at the edge of <figcaption>.\\n\\t */\\n\\t& .image > figcaption.ck-placeholder::before {\\n\\t\\tpadding-left: inherit;\\n\\t\\tpadding-right: inherit;\\n\\n\\t\\t/*\\n\\t\\t * Make sure the image caption placeholder doesn't overflow the placeholder area.\\n\\t\\t * See https://github.com/ckeditor/ckeditor5/issues/9162.\\n\\t\\t */\\n\\t\\twhite-space: nowrap;\\n\\t\\toverflow: hidden;\\n\\t\\ttext-overflow: ellipsis;\\n\\t}\\n\\n\\n\\t/*\\n\\t * Make sure the selected inline image always stays on top of its siblings.\\n\\t * See https://github.com/ckeditor/ckeditor5/issues/9108.\\n\\t */\\n\\t& .image.ck-widget_selected {\\n\\t\\tz-index: 1;\\n\\t}\\n\\n\\t& .image-inline.ck-widget_selected {\\n\\t\\tz-index: 1;\\n\\n\\t\\t/*\\n\\t\\t * Make sure the native browser selection style is not displayed.\\n\\t\\t * Inline image widgets have their own styles for the selected state and\\n\\t\\t * leaving this up to the browser is asking for a visual collision.\\n\\t\\t */\\n\\t\\t& ::selection {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n\\n\\t/* The inline image nested in the table should have its original size if not resized.\\n\\tSee https://github.com/ckeditor/ckeditor5/issues/9117. */\\n\\t& td,\\n\\t& th {\\n\\t\\t& .image-inline img {\\n\\t\\t\\tmax-width: none;\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-color-image-caption-background:#f7f7f7;--ck-color-image-caption-text:#333;--ck-color-image-caption-highligted-background:#fd0}.ck-content .image>figcaption{display:table-caption;caption-side:bottom;word-break:break-word;color:var(--ck-color-image-caption-text);background-color:var(--ck-color-image-caption-background);padding:.6em;font-size:.75em;outline-offset:-1px}.ck.ck-editor__editable .image>figcaption.image__caption_highlighted{animation:ck-image-caption-highlight .6s ease-out}@keyframes ck-image-caption-highlight{0%{background-color:var(--ck-color-image-caption-highligted-background)}to{background-color:var(--ck-color-image-caption-background)}}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-image/theme/imagecaption.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,2CAAoD,CACpD,kCAA8C,CAC9C,mDACD,CAGA,8BACC,qBAAsB,CACtB,mBAAoB,CACpB,qBAAsB,CACtB,wCAAyC,CACzC,yDAA0D,CAC1D,YAAa,CACb,eAAgB,CAChB,mBACD,CAGA,qEACC,iDACD,CAEA,sCACC,GACC,oEACD,CAEA,GACC,yDACD,CACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-color-image-caption-background: hsl(0, 0%, 97%);\\n\\t--ck-color-image-caption-text: hsl(0, 0%, 20%);\\n\\t--ck-color-image-caption-highligted-background: hsl(52deg 100% 50%);\\n}\\n\\n/* Content styles */\\n.ck-content .image > figcaption {\\n\\tdisplay: table-caption;\\n\\tcaption-side: bottom;\\n\\tword-break: break-word;\\n\\tcolor: var(--ck-color-image-caption-text);\\n\\tbackground-color: var(--ck-color-image-caption-background);\\n\\tpadding: .6em;\\n\\tfont-size: .75em;\\n\\toutline-offset: -1px;\\n}\\n\\n/* Editing styles */\\n.ck.ck-editor__editable .image > figcaption.image__caption_highlighted {\\n\\tanimation: ck-image-caption-highlight .6s ease-out;\\n}\\n\\n@keyframes ck-image-caption-highlight {\\n\\t0% {\\n\\t\\tbackground-color: var(--ck-color-image-caption-highligted-background);\\n\\t}\\n\\n\\t100% {\\n\\t\\tbackground-color: var(--ck-color-image-caption-background);\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck-content .image.image_resized{max-width:100%;display:block;box-sizing:border-box}.ck-content .image.image_resized img{width:100%}.ck-content .image.image_resized>figcaption{display:block}.ck.ck-editor__editable td .image-inline.image_resized img,.ck.ck-editor__editable th .image-inline.image_resized img{max-width:100%}[dir=ltr] .ck.ck-button.ck-button_with-text.ck-resize-image-button .ck-button__icon{margin-right:var(--ck-spacing-standard)}[dir=rtl] .ck.ck-button.ck-button_with-text.ck-resize-image-button .ck-button__icon{margin-left:var(--ck-spacing-standard)}.ck.ck-dropdown .ck-button.ck-resize-image-button .ck-button__label{width:4em}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-image/theme/imageresize.css\"],\"names\":[],\"mappings\":\"AAKA,iCACC,cAAe,CAMf,aAAc,CACd,qBAWD,CATC,qCAEC,UACD,CAEA,4CAEC,aACD,CAQC,sHACC,cACD,CAIF,oFACC,uCACD,CAEA,oFACC,sCACD,CAEA,oEACC,SACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck-content .image.image_resized {\\n\\tmax-width: 100%;\\n\\t/*\\n\\tThe `<figure>` element for resized images must not use `display:table` as browsers do not support `max-width` for it well.\\n\\tSee https://stackoverflow.com/questions/4019604/chrome-safari-ignoring-max-width-in-table/14420691#14420691 for more.\\n\\tFortunately, since we control the width, there is no risk that the image will look bad.\\n\\t*/\\n\\tdisplay: block;\\n\\tbox-sizing: border-box;\\n\\n\\t& img {\\n\\t\\t/* For resized images it is the `<figure>` element that determines the image width. */\\n\\t\\twidth: 100%;\\n\\t}\\n\\n\\t& > figcaption {\\n\\t\\t/* The `<figure>` element uses `display:block`, so `<figcaption>` also has to. */\\n\\t\\tdisplay: block;\\n\\t}\\n}\\n\\n.ck.ck-editor__editable {\\n\\t/* The resized inline image nested in the table should respect its parent size.\\n\\tSee https://github.com/ckeditor/ckeditor5/issues/9117. */\\n\\t& td,\\n\\t& th {\\n\\t\\t& .image-inline.image_resized img {\\n\\t\\t\\tmax-width: 100%;\\n\\t\\t}\\n\\t}\\n}\\n\\n[dir=\\\"ltr\\\"] .ck.ck-button.ck-button_with-text.ck-resize-image-button .ck-button__icon {\\n\\tmargin-right: var(--ck-spacing-standard);\\n}\\n\\n[dir=\\\"rtl\\\"] .ck.ck-button.ck-button_with-text.ck-resize-image-button .ck-button__icon {\\n\\tmargin-left: var(--ck-spacing-standard);\\n}\\n\\n.ck.ck-dropdown .ck-button.ck-resize-image-button .ck-button__label {\\n\\twidth: 4em;\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-image-style-spacing:1.5em;--ck-inline-image-style-spacing:calc(var(--ck-image-style-spacing)/2)}.ck-content .image-style-block-align-left,.ck-content .image-style-block-align-right{max-width:calc(100% - var(--ck-image-style-spacing))}.ck-content .image-style-align-left,.ck-content .image-style-align-right{clear:none}.ck-content .image-style-side{float:right;margin-left:var(--ck-image-style-spacing);max-width:50%}.ck-content .image-style-align-left{float:left;margin-right:var(--ck-image-style-spacing)}.ck-content .image-style-align-center{margin-left:auto;margin-right:auto}.ck-content .image-style-align-right{float:right;margin-left:var(--ck-image-style-spacing)}.ck-content .image-style-block-align-right{margin-right:0;margin-left:auto}.ck-content .image-style-block-align-left{margin-left:0;margin-right:auto}.ck-content p+.image-style-align-left,.ck-content p+.image-style-align-right,.ck-content p+.image-style-side{margin-top:0}.ck-content .image-inline.image-style-align-left,.ck-content .image-inline.image-style-align-right{margin-top:var(--ck-inline-image-style-spacing);margin-bottom:var(--ck-inline-image-style-spacing)}.ck-content .image-inline.image-style-align-left{margin-right:var(--ck-inline-image-style-spacing)}.ck-content .image-inline.image-style-align-right{margin-left:var(--ck-inline-image-style-spacing)}.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open>.ck-splitbutton__action:not(.ck-disabled),.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled),.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):not(:hover),.ck.ck-splitbutton.ck-splitbutton_flatten:hover>.ck-splitbutton__action:not(.ck-disabled),.ck.ck-splitbutton.ck-splitbutton_flatten:hover>.ck-splitbutton__arrow:not(.ck-disabled),.ck.ck-splitbutton.ck-splitbutton_flatten:hover>.ck-splitbutton__arrow:not(.ck-disabled):not(:hover){background-color:var(--ck-color-button-on-background)}.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open>.ck-splitbutton__action:not(.ck-disabled):after,.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):after,.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):not(:hover):after,.ck.ck-splitbutton.ck-splitbutton_flatten:hover>.ck-splitbutton__action:not(.ck-disabled):after,.ck.ck-splitbutton.ck-splitbutton_flatten:hover>.ck-splitbutton__arrow:not(.ck-disabled):after,.ck.ck-splitbutton.ck-splitbutton_flatten:hover>.ck-splitbutton__arrow:not(.ck-disabled):not(:hover):after{display:none}.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open:hover>.ck-splitbutton__action:not(.ck-disabled),.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open:hover>.ck-splitbutton__arrow:not(.ck-disabled),.ck.ck-splitbutton.ck-splitbutton_flatten.ck-splitbutton_open:hover>.ck-splitbutton__arrow:not(.ck-disabled):not(:hover){background-color:var(--ck-color-button-on-hover-background)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-image/theme/imagestyle.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,8BAA+B,CAC/B,qEACD,CAMC,qFAEC,oDACD,CAIA,yEAEC,UACD,CAEA,8BACC,WAAY,CACZ,yCAA0C,CAC1C,aACD,CAEA,oCACC,UAAW,CACX,0CACD,CAEA,sCACC,gBAAiB,CACjB,iBACD,CAEA,qCACC,WAAY,CACZ,yCACD,CAEA,2CACC,cAAe,CACf,gBACD,CAEA,0CACC,aAAc,CACd,iBACD,CAGA,6GAGC,YACD,CAGC,mGAEC,+CAAgD,CAChD,kDACD,CAEA,iDACC,iDACD,CAEA,kDACC,gDACD,CAUC,0lBAGC,qDAKD,CAHC,8nBACC,YACD,CAKD,oVAGC,2DACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-image-style-spacing: 1.5em;\\n\\t--ck-inline-image-style-spacing: calc(var(--ck-image-style-spacing) / 2);\\n}\\n\\n.ck-content {\\n\\t/* Provides a minimal side margin for the left and right aligned images, so that the user has a visual feedback\\n\\tconfirming successful application of the style if image width exceeds the editor's size.\\n\\tSee https://github.com/ckeditor/ckeditor5/issues/9342 */\\n\\t& .image-style-block-align-left,\\n\\t& .image-style-block-align-right {\\n\\t\\tmax-width: calc(100% - var(--ck-image-style-spacing));\\n\\t}\\n\\n\\t/* Allows displaying multiple floating images in the same line.\\n\\tSee https://github.com/ckeditor/ckeditor5/issues/9183#issuecomment-804988132 */\\n\\t& .image-style-align-left,\\n\\t& .image-style-align-right {\\n\\t\\tclear: none;\\n\\t}\\n\\n\\t& .image-style-side {\\n\\t\\tfloat: right;\\n\\t\\tmargin-left: var(--ck-image-style-spacing);\\n\\t\\tmax-width: 50%;\\n\\t}\\n\\n\\t& .image-style-align-left {\\n\\t\\tfloat: left;\\n\\t\\tmargin-right: var(--ck-image-style-spacing);\\n\\t}\\n\\n\\t& .image-style-align-center {\\n\\t\\tmargin-left: auto;\\n\\t\\tmargin-right: auto;\\n\\t}\\n\\n\\t& .image-style-align-right {\\n\\t\\tfloat: right;\\n\\t\\tmargin-left: var(--ck-image-style-spacing);\\n\\t}\\n\\n\\t& .image-style-block-align-right {\\n\\t\\tmargin-right: 0;\\n\\t\\tmargin-left: auto;\\n\\t}\\n\\n\\t& .image-style-block-align-left {\\n\\t\\tmargin-left: 0;\\n\\t\\tmargin-right: auto;\\n\\t}\\n\\n\\t/* Simulates margin collapsing with the preceding paragraph, which does not work for the floating elements. */\\n\\t& p + .image-style-align-left,\\n\\t& p + .image-style-align-right,\\n\\t& p + .image-style-side {\\n\\t\\tmargin-top: 0;\\n\\t}\\n\\n\\t& .image-inline {\\n\\t\\t&.image-style-align-left,\\n\\t\\t&.image-style-align-right {\\n\\t\\t\\tmargin-top: var(--ck-inline-image-style-spacing);\\n\\t\\t\\tmargin-bottom: var(--ck-inline-image-style-spacing);\\n\\t\\t}\\n\\n\\t\\t&.image-style-align-left {\\n\\t\\t\\tmargin-right: var(--ck-inline-image-style-spacing);\\n\\t\\t}\\n\\n\\t\\t&.image-style-align-right {\\n\\t\\t\\tmargin-left: var(--ck-inline-image-style-spacing);\\n\\t\\t}\\n\\t}\\n}\\n\\n.ck.ck-splitbutton {\\n\\t/* The button should display as a regular drop-down if the action button\\n\\tis forced to fire the same action as the arrow button. */\\n\\t&.ck-splitbutton_flatten {\\n\\t\\t&:hover,\\n\\t\\t&.ck-splitbutton_open {\\n\\t\\t\\t& > .ck-splitbutton__action:not(.ck-disabled),\\n\\t\\t\\t& > .ck-splitbutton__arrow:not(.ck-disabled),\\n\\t\\t\\t& > .ck-splitbutton__arrow:not(.ck-disabled):not(:hover) {\\n\\t\\t\\t\\tbackground-color: var(--ck-color-button-on-background);\\n\\n\\t\\t\\t\\t&::after {\\n\\t\\t\\t\\t\\tdisplay: none;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t&.ck-splitbutton_open:hover {\\n\\t\\t\\t& > .ck-splitbutton__action:not(.ck-disabled),\\n\\t\\t\\t& > .ck-splitbutton__arrow:not(.ck-disabled),\\n\\t\\t\\t& > .ck-splitbutton__arrow:not(.ck-disabled):not(:hover) {\\n\\t\\t\\t\\tbackground-color: var(--ck-color-button-on-hover-background);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck-image-upload-complete-icon{display:block;position:absolute;top:min(var(--ck-spacing-medium),6%);right:min(var(--ck-spacing-medium),6%);border-radius:50%;z-index:1}.ck-image-upload-complete-icon:after{content:\\\"\\\";position:absolute}:root{--ck-color-image-upload-icon:#fff;--ck-color-image-upload-icon-background:#008a00;--ck-image-upload-icon-size:20;--ck-image-upload-icon-width:2px;--ck-image-upload-icon-is-visible:clamp(0px,100% - 50px,1px)}.ck-image-upload-complete-icon{opacity:0;background:var(--ck-color-image-upload-icon-background);animation-name:ck-upload-complete-icon-show,ck-upload-complete-icon-hide;animation-fill-mode:forwards,forwards;animation-duration:.5s,.5s;font-size:calc(1px*var(--ck-image-upload-icon-size));animation-delay:0ms,3s;overflow:hidden;width:calc(var(--ck-image-upload-icon-is-visible)*var(--ck-image-upload-icon-size));height:calc(var(--ck-image-upload-icon-is-visible)*var(--ck-image-upload-icon-size))}.ck-image-upload-complete-icon:after{left:25%;top:50%;opacity:0;height:0;width:0;transform:scaleX(-1) rotate(135deg);transform-origin:left top;border-top:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);border-right:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);animation-name:ck-upload-complete-icon-check;animation-duration:.5s;animation-delay:.5s;animation-fill-mode:forwards;box-sizing:border-box}@keyframes ck-upload-complete-icon-show{0%{opacity:0}to{opacity:1}}@keyframes ck-upload-complete-icon-hide{0%{opacity:1}to{opacity:0}}@keyframes ck-upload-complete-icon-check{0%{opacity:1;width:0;height:0}33%{width:.3em;height:0}to{opacity:1;width:.3em;height:.45em}}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-image/theme/imageuploadicon.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-image/imageuploadicon.css\"],\"names\":[],\"mappings\":\"AAKA,+BACC,aAAc,CACd,iBAAkB,CAMlB,oCAAsC,CACtC,sCAAwC,CACxC,iBAAkB,CAClB,SAMD,CAJC,qCACC,UAAW,CACX,iBACD,CChBD,MACC,iCAA8C,CAC9C,+CAA4D,CAG5D,8BAA+B,CAC/B,gCAAiC,CACjC,4DACD,CAEA,+BACC,SAAU,CACV,uDAAwD,CACxD,wEAA0E,CAC1E,qCAAuC,CACvC,0BAAgC,CAGhC,oDAAuD,CAGvD,sBAA4B,CAM5B,eAAgB,CAChB,mFAAsF,CACtF,oFAyBD,CAtBC,qCAEC,QAAS,CAET,OAAQ,CACR,SAAU,CACV,QAAS,CACT,OAAQ,CAER,mCAAoC,CACpC,yBAA0B,CAC1B,oFAAqF,CACrF,sFAAuF,CAEvF,4CAA6C,CAC7C,sBAAyB,CACzB,mBAAsB,CACtB,4BAA6B,CAG7B,qBACD,CAGD,wCACC,GACC,SACD,CAEA,GACC,SACD,CACD,CAEA,wCACC,GACC,SACD,CAEA,GACC,SACD,CACD,CAEA,yCACC,GACC,SAAU,CACV,OAAQ,CACR,QACD,CACA,IACC,UAAY,CACZ,QACD,CACA,GACC,SAAU,CACV,UAAY,CACZ,YACD,CACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck-image-upload-complete-icon {\\n\\tdisplay: block;\\n\\tposition: absolute;\\n\\n\\t/*\\n\\t * Smaller images should have the icon closer to the border.\\n\\t * Match the icon position with the linked image indicator brought by the link image feature.\\n\\t */\\n\\ttop: min(var(--ck-spacing-medium), 6%);\\n\\tright: min(var(--ck-spacing-medium), 6%);\\n\\tborder-radius: 50%;\\n\\tz-index: 1;\\n\\n\\t&::after {\\n\\t\\tcontent: \\\"\\\";\\n\\t\\tposition: absolute;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-color-image-upload-icon: hsl(0, 0%, 100%);\\n\\t--ck-color-image-upload-icon-background: hsl(120, 100%, 27%);\\n\\n\\t/* Match the icon size with the linked image indicator brought by the link image feature. */\\n\\t--ck-image-upload-icon-size: 20;\\n\\t--ck-image-upload-icon-width: 2px;\\n\\t--ck-image-upload-icon-is-visible: clamp(0px, 100% - 50px, 1px);\\n}\\n\\n.ck-image-upload-complete-icon {\\n\\topacity: 0;\\n\\tbackground: var(--ck-color-image-upload-icon-background);\\n\\tanimation-name: ck-upload-complete-icon-show, ck-upload-complete-icon-hide;\\n\\tanimation-fill-mode: forwards, forwards;\\n\\tanimation-duration: 500ms, 500ms;\\n\\n\\t/* To make animation scalable. */\\n\\tfont-size: calc(1px * var(--ck-image-upload-icon-size));\\n\\n\\t/* Hide completed upload icon after 3 seconds. */\\n\\tanimation-delay: 0ms, 3000ms;\\n\\n\\t/*\\n\\t * Use CSS math to simulate container queries.\\n\\t * https://css-tricks.com/the-raven-technique-one-step-closer-to-container-queries/#what-about-showing-and-hiding-things\\n\\t */\\n\\toverflow: hidden;\\n\\twidth: calc(var(--ck-image-upload-icon-is-visible) * var(--ck-image-upload-icon-size));\\n\\theight: calc(var(--ck-image-upload-icon-is-visible) * var(--ck-image-upload-icon-size));\\n\\n\\t/* This is check icon element made from border-width mixed with animations. */\\n\\t&::after {\\n\\t\\t/* Because of border transformation we need to \\\"hard code\\\" left position. */\\n\\t\\tleft: 25%;\\n\\n\\t\\ttop: 50%;\\n\\t\\topacity: 0;\\n\\t\\theight: 0;\\n\\t\\twidth: 0;\\n\\n\\t\\ttransform: scaleX(-1) rotate(135deg);\\n\\t\\ttransform-origin: left top;\\n\\t\\tborder-top: var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);\\n\\t\\tborder-right: var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);\\n\\n\\t\\tanimation-name: ck-upload-complete-icon-check;\\n\\t\\tanimation-duration: 500ms;\\n\\t\\tanimation-delay: 500ms;\\n\\t\\tanimation-fill-mode: forwards;\\n\\n\\t\\t/* #1095. While reset is not providing proper box-sizing for pseudoelements, we need to handle it. */\\n\\t\\tbox-sizing: border-box;\\n\\t}\\n}\\n\\n@keyframes ck-upload-complete-icon-show {\\n\\tfrom {\\n\\t\\topacity: 0;\\n\\t}\\n\\n\\tto {\\n\\t\\topacity: 1;\\n\\t}\\n}\\n\\n@keyframes ck-upload-complete-icon-hide {\\n\\tfrom {\\n\\t\\topacity: 1;\\n\\t}\\n\\n\\tto {\\n\\t\\topacity: 0;\\n\\t}\\n}\\n\\n@keyframes ck-upload-complete-icon-check {\\n\\t0% {\\n\\t\\topacity: 1;\\n\\t\\twidth: 0;\\n\\t\\theight: 0;\\n\\t}\\n\\t33% {\\n\\t\\twidth: 0.3em;\\n\\t\\theight: 0;\\n\\t}\\n\\t100% {\\n\\t\\topacity: 1;\\n\\t\\twidth: 0.3em;\\n\\t\\theight: 0.45em;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck .ck-upload-placeholder-loader{position:absolute;display:flex;align-items:center;justify-content:center;top:0;left:0}.ck .ck-upload-placeholder-loader:before{content:\\\"\\\";position:relative}:root{--ck-color-upload-placeholder-loader:#b3b3b3;--ck-upload-placeholder-loader-size:32px;--ck-upload-placeholder-image-aspect-ratio:2.8}.ck .ck-image-upload-placeholder{width:100%;margin:0}.ck .ck-image-upload-placeholder.image-inline{width:calc(var(--ck-upload-placeholder-loader-size)*2*var(--ck-upload-placeholder-image-aspect-ratio))}.ck .ck-image-upload-placeholder img{aspect-ratio:var(--ck-upload-placeholder-image-aspect-ratio)}.ck .ck-upload-placeholder-loader{width:100%;height:100%}.ck .ck-upload-placeholder-loader:before{width:var(--ck-upload-placeholder-loader-size);height:var(--ck-upload-placeholder-loader-size);border-radius:50%;border-top:3px solid var(--ck-color-upload-placeholder-loader);border-right:2px solid transparent;animation:ck-upload-placeholder-loader 1s linear infinite}@keyframes ck-upload-placeholder-loader{to{transform:rotate(1turn)}}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-image/theme/imageuploadloader.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-image/imageuploadloader.css\"],\"names\":[],\"mappings\":\"AAKA,kCACC,iBAAkB,CAClB,YAAa,CACb,kBAAmB,CACnB,sBAAuB,CACvB,KAAM,CACN,MAMD,CAJC,yCACC,UAAW,CACX,iBACD,CCXD,MACC,4CAAqD,CACrD,wCAAyC,CACzC,8CACD,CAEA,iCAEC,UAAW,CACX,QAeD,CAbC,8CACC,sGACD,CAEA,qCAOC,4DACD,CAGD,kCACC,UAAW,CACX,WAUD,CARC,yCACC,8CAA+C,CAC/C,+CAAgD,CAChD,iBAAkB,CAClB,8DAA+D,CAC/D,kCAAmC,CACnC,yDACD,CAGD,wCACC,GACC,uBACD,CACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck .ck-upload-placeholder-loader {\\n\\tposition: absolute;\\n\\tdisplay: flex;\\n\\talign-items: center;\\n\\tjustify-content: center;\\n\\ttop: 0;\\n\\tleft: 0;\\n\\n\\t&::before {\\n\\t\\tcontent: '';\\n\\t\\tposition: relative;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-color-upload-placeholder-loader: hsl(0, 0%, 70%);\\n\\t--ck-upload-placeholder-loader-size: 32px;\\n\\t--ck-upload-placeholder-image-aspect-ratio: 2.8;\\n}\\n\\n.ck .ck-image-upload-placeholder {\\n\\t/* We need to control the full width of the SVG gray background. */\\n\\twidth: 100%;\\n\\tmargin: 0;\\n\\n\\t&.image-inline {\\n\\t\\twidth: calc( 2 * var(--ck-upload-placeholder-loader-size) * var(--ck-upload-placeholder-image-aspect-ratio) );\\n\\t}\\n\\n\\t& img {\\n\\t\\t/*\\n\\t\\t * This is an arbitrary aspect for a 1x1 px GIF to display to the user. Not too tall, not too short.\\n\\t\\t * There's nothing special about this number except that it should make the image placeholder look like\\n\\t\\t * a real image during this short period after the upload started and before the image was read from the\\n\\t\\t * file system (and a rich preview was loaded).\\n\\t\\t */\\n\\t\\taspect-ratio: var(--ck-upload-placeholder-image-aspect-ratio);\\n\\t}\\n}\\n\\n.ck .ck-upload-placeholder-loader {\\n\\twidth: 100%;\\n\\theight: 100%;\\n\\n\\t&::before {\\n\\t\\twidth: var(--ck-upload-placeholder-loader-size);\\n\\t\\theight: var(--ck-upload-placeholder-loader-size);\\n\\t\\tborder-radius: 50%;\\n\\t\\tborder-top: 3px solid var(--ck-color-upload-placeholder-loader);\\n\\t\\tborder-right: 2px solid transparent;\\n\\t\\tanimation: ck-upload-placeholder-loader 1s linear infinite;\\n\\t}\\n}\\n\\n@keyframes ck-upload-placeholder-loader {\\n\\tto {\\n\\t\\ttransform: rotate( 360deg );\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-editor__editable .image,.ck.ck-editor__editable .image-inline{position:relative}.ck.ck-editor__editable .image-inline .ck-progress-bar,.ck.ck-editor__editable .image .ck-progress-bar{position:absolute;top:0;left:0}.ck.ck-editor__editable .image-inline.ck-appear,.ck.ck-editor__editable .image.ck-appear{animation:fadeIn .7s}.ck.ck-editor__editable .image-inline .ck-progress-bar,.ck.ck-editor__editable .image .ck-progress-bar{height:2px;width:0;background:var(--ck-color-upload-bar-background);transition:width .1s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-image/theme/imageuploadprogress.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-image/imageuploadprogress.css\"],\"names\":[],\"mappings\":\"AAMC,qEAEC,iBACD,CAGA,uGAEC,iBAAkB,CAClB,KAAM,CACN,MACD,CCRC,yFACC,oBACD,CAID,uGAEC,UAAW,CACX,OAAQ,CACR,gDAAiD,CACjD,oBACD,CAGD,kBACC,GAAO,SAAY,CACnB,GAAO,SAAY,CACpB\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-editor__editable {\\n\\t& .image,\\n\\t& .image-inline {\\n\\t\\tposition: relative;\\n\\t}\\n\\n\\t/* Upload progress bar. */\\n\\t& .image .ck-progress-bar,\\n\\t& .image-inline .ck-progress-bar {\\n\\t\\tposition: absolute;\\n\\t\\ttop: 0;\\n\\t\\tleft: 0;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-editor__editable {\\n\\t& .image,\\n\\t& .image-inline {\\n\\t\\t/* Showing animation. */\\n\\t\\t&.ck-appear {\\n\\t\\t\\tanimation: fadeIn 700ms;\\n\\t\\t}\\n\\t}\\n\\n\\t/* Upload progress bar. */\\n\\t& .image .ck-progress-bar,\\n\\t& .image-inline .ck-progress-bar {\\n\\t\\theight: 2px;\\n\\t\\twidth: 0;\\n\\t\\tbackground: var(--ck-color-upload-bar-background);\\n\\t\\ttransition: width 100ms;\\n\\t}\\n}\\n\\n@keyframes fadeIn {\\n\\tfrom { opacity: 0; }\\n\\tto   { opacity: 1; }\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-text-alternative-form{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-text-alternative-form .ck-labeled-field-view{display:inline-block}.ck.ck-text-alternative-form .ck-label{display:none}@media screen and (max-width:600px){.ck.ck-text-alternative-form{flex-wrap:wrap}.ck.ck-text-alternative-form .ck-labeled-field-view{flex-basis:100%}.ck.ck-text-alternative-form .ck-button{flex-basis:50%}}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-image/theme/textalternativeform.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\"],\"names\":[],\"mappings\":\"AAOA,6BACC,YAAa,CACb,kBAAmB,CACnB,gBAqBD,CAnBC,oDACC,oBACD,CAEA,uCACC,YACD,CCZA,oCDCD,6BAcE,cAUF,CARE,oDACC,eACD,CAEA,wCACC,cACD,CCrBD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\\\";\\n\\n.ck.ck-text-alternative-form {\\n\\tdisplay: flex;\\n\\tflex-direction: row;\\n\\tflex-wrap: nowrap;\\n\\n\\t& .ck-labeled-field-view {\\n\\t\\tdisplay: inline-block;\\n\\t}\\n\\n\\t& .ck-label {\\n\\t\\tdisplay: none;\\n\\t}\\n\\n\\t@mixin ck-media-phone {\\n\\t\\tflex-wrap: wrap;\\n\\n\\t\\t& .ck-labeled-field-view {\\n\\t\\t\\tflex-basis: 100%;\\n\\t\\t}\\n\\n\\t\\t& .ck-button {\\n\\t\\t\\tflex-basis: 50%;\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@define-mixin ck-media-phone {\\n\\t@media screen and (max-width: 600px) {\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck .ck-link_selected{background:var(--ck-color-link-selected-background)}.ck .ck-link_selected span.image-inline{outline:var(--ck-widget-outline-thickness) solid var(--ck-color-link-selected-background)}.ck .ck-fake-link-selection{background:var(--ck-color-link-fake-selection)}.ck .ck-fake-link-selection_collapsed{height:100%;border-right:1px solid var(--ck-color-base-text);margin-right:-1px;outline:1px solid hsla(0,0%,100%,.5)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-link/link.css\"],\"names\":[],\"mappings\":\"AAMA,sBACC,mDAMD,CAHC,wCACC,yFACD,CAOD,4BACC,8CACD,CAGA,sCACC,WAAY,CACZ,gDAAiD,CACjD,iBAAkB,CAClB,oCACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/* Class added to span element surrounding currently selected link. */\\n.ck .ck-link_selected {\\n\\tbackground: var(--ck-color-link-selected-background);\\n\\n\\t/* Give linked inline images some outline to let the user know they are also part of the link. */\\n\\t& span.image-inline {\\n\\t\\toutline: var(--ck-widget-outline-thickness) solid var(--ck-color-link-selected-background);\\n\\t}\\n}\\n\\n/*\\n * Classes used by the \\\"fake visual selection\\\" displayed in the content when an input\\n * in the link UI has focus (the browser does not render the native selection in this state).\\n */\\n.ck .ck-fake-link-selection {\\n\\tbackground: var(--ck-color-link-fake-selection);\\n}\\n\\n/* A collapsed fake visual selection. */\\n.ck .ck-fake-link-selection_collapsed {\\n\\theight: 100%;\\n\\tborder-right: 1px solid var(--ck-color-base-text);\\n\\tmargin-right: -1px;\\n\\toutline: solid 1px hsla(0, 0%, 100%, .5);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-link-actions{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-link-actions .ck-link-actions__preview{display:inline-block}.ck.ck-link-actions .ck-link-actions__preview .ck-button__label{overflow:hidden}@media screen and (max-width:600px){.ck.ck-link-actions{flex-wrap:wrap}.ck.ck-link-actions .ck-link-actions__preview{flex-basis:100%}.ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){flex-basis:50%}}.ck.ck-link-actions .ck-button.ck-link-actions__preview{padding-left:0;padding-right:0}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label{padding:0 var(--ck-spacing-medium);color:var(--ck-color-link-default);text-overflow:ellipsis;cursor:pointer;max-width:var(--ck-input-width);min-width:3em;text-align:center}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label:hover{text-decoration:underline}.ck.ck-link-actions .ck-button.ck-link-actions__preview,.ck.ck-link-actions .ck-button.ck-link-actions__preview:active,.ck.ck-link-actions .ck-button.ck-link-actions__preview:focus,.ck.ck-link-actions .ck-button.ck-link-actions__preview:hover{background:none}.ck.ck-link-actions .ck-button.ck-link-actions__preview:active{box-shadow:none}.ck.ck-link-actions .ck-button.ck-link-actions__preview:focus .ck-button__label{text-decoration:underline}[dir=ltr] .ck.ck-link-actions .ck-button:not(:first-child),[dir=rtl] .ck.ck-link-actions .ck-button:not(:last-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-link-actions .ck-button.ck-link-actions__preview{margin:var(--ck-spacing-standard) var(--ck-spacing-standard) 0}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label{min-width:0;max-width:100%}[dir=ltr] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview),[dir=rtl] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){margin-left:0}}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-link/theme/linkactions.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-link/linkactions.css\"],\"names\":[],\"mappings\":\"AAOA,oBACC,YAAa,CACb,kBAAmB,CACnB,gBAqBD,CAnBC,8CACC,oBAKD,CAHC,gEACC,eACD,CCXD,oCDCD,oBAcE,cAUF,CARE,8CACC,eACD,CAEA,8DACC,cACD,CCrBD,CCKA,wDACC,cAAe,CACf,eAmCD,CAjCC,0EACC,kCAAmC,CACnC,kCAAmC,CACnC,sBAAuB,CACvB,cAAe,CAIf,+BAAgC,CAChC,aAAc,CACd,iBAKD,CAHC,gFACC,yBACD,CAGD,mPAIC,eACD,CAEA,+DACC,eACD,CAGC,gFACC,yBACD,CAWD,qHACC,sCACD,CDvDD,oCC2DC,wDACC,8DAMD,CAJC,0EACC,WAAY,CACZ,cACD,CAGD,gJAME,aAEF,CD1ED\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\\\";\\n\\n.ck.ck-link-actions {\\n\\tdisplay: flex;\\n\\tflex-direction: row;\\n\\tflex-wrap: nowrap;\\n\\n\\t& .ck-link-actions__preview {\\n\\t\\tdisplay: inline-block;\\n\\n\\t\\t& .ck-button__label {\\n\\t\\t\\toverflow: hidden;\\n\\t\\t}\\n\\t}\\n\\n\\t@mixin ck-media-phone {\\n\\t\\tflex-wrap: wrap;\\n\\n\\t\\t& .ck-link-actions__preview {\\n\\t\\t\\tflex-basis: 100%;\\n\\t\\t}\\n\\n\\t\\t& .ck-button:not(.ck-link-actions__preview) {\\n\\t\\t\\tflex-basis: 50%;\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@define-mixin ck-media-phone {\\n\\t@media screen and (max-width: 600px) {\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/components/tooltip/mixins/_tooltip.css\\\";\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_unselectable.css\\\";\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n@import \\\"../mixins/_focus.css\\\";\\n@import \\\"../mixins/_shadow.css\\\";\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\\\";\\n\\n.ck.ck-link-actions {\\n\\t& .ck-button.ck-link-actions__preview {\\n\\t\\tpadding-left: 0;\\n\\t\\tpadding-right: 0;\\n\\n\\t\\t& .ck-button__label {\\n\\t\\t\\tpadding: 0 var(--ck-spacing-medium);\\n\\t\\t\\tcolor: var(--ck-color-link-default);\\n\\t\\t\\ttext-overflow: ellipsis;\\n\\t\\t\\tcursor: pointer;\\n\\n\\t\\t\\t/* Match the box model of the link editor form's input so the balloon\\n\\t\\t\\tdoes not change width when moving between actions and the form. */\\n\\t\\t\\tmax-width: var(--ck-input-width);\\n\\t\\t\\tmin-width: 3em;\\n\\t\\t\\ttext-align: center;\\n\\n\\t\\t\\t&:hover {\\n\\t\\t\\t\\ttext-decoration: underline;\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t&,\\n\\t\\t&:hover,\\n\\t\\t&:focus,\\n\\t\\t&:active {\\n\\t\\t\\tbackground: none;\\n\\t\\t}\\n\\n\\t\\t&:active {\\n\\t\\t\\tbox-shadow: none;\\n\\t\\t}\\n\\n\\t\\t&:focus {\\n\\t\\t\\t& .ck-button__label {\\n\\t\\t\\t\\ttext-decoration: underline;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t@mixin ck-dir ltr {\\n\\t\\t& .ck-button:not(:first-child) {\\n\\t\\t\\tmargin-left: var(--ck-spacing-standard);\\n\\t\\t}\\n\\t}\\n\\n\\t@mixin ck-dir rtl {\\n\\t\\t& .ck-button:not(:last-child) {\\n\\t\\t\\tmargin-left: var(--ck-spacing-standard);\\n\\t\\t}\\n\\t}\\n\\n\\t@mixin ck-media-phone {\\n\\t\\t& .ck-button.ck-link-actions__preview {\\n\\t\\t\\tmargin: var(--ck-spacing-standard) var(--ck-spacing-standard) 0;\\n\\n\\t\\t\\t& .ck-button__label {\\n\\t\\t\\t\\tmin-width: 0;\\n\\t\\t\\t\\tmax-width: 100%;\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t& .ck-button:not(.ck-link-actions__preview) {\\n\\t\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t\\tmargin-left: 0;\\n\\t\\t\\t}\\n\\n\\t\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t\\tmargin-left: 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-link-form{display:flex}.ck.ck-link-form .ck-label{display:none}@media screen and (max-width:600px){.ck.ck-link-form{flex-wrap:wrap}.ck.ck-link-form .ck-labeled-field-view{flex-basis:100%}.ck.ck-link-form .ck-button{flex-basis:50%}}.ck.ck-link-form_layout-vertical{display:block}.ck.ck-link-form_layout-vertical .ck-button.ck-button-cancel,.ck.ck-link-form_layout-vertical .ck-button.ck-button-save{margin-top:var(--ck-spacing-medium)}.ck.ck-link-form_layout-vertical{padding:0;min-width:var(--ck-input-width)}.ck.ck-link-form_layout-vertical .ck-labeled-field-view{margin:var(--ck-spacing-large) var(--ck-spacing-large) var(--ck-spacing-small)}.ck.ck-link-form_layout-vertical .ck-labeled-field-view .ck-input-text{min-width:0;width:100%}.ck.ck-link-form_layout-vertical .ck-button{padding:var(--ck-spacing-standard);margin:0;border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border);width:50%}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button,[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button:last-of-type{border-right:1px solid var(--ck-color-base-border)}.ck.ck-link-form_layout-vertical .ck.ck-list{margin:var(--ck-spacing-standard) var(--ck-spacing-large)}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton{border:0;padding:0;width:100%}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton:hover{background:none}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-link/theme/linkform.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-link/linkform.css\"],\"names\":[],\"mappings\":\"AAOA,iBACC,YAiBD,CAfC,2BACC,YACD,CCNA,oCDCD,iBAQE,cAUF,CARE,wCACC,eACD,CAEA,4BACC,cACD,CCfD,CDuBD,iCACC,aAYD,CALE,wHAEC,mCACD,CE/BF,iCACC,SAAU,CACV,+BA8CD,CA5CC,wDACC,8EAMD,CAJC,uEACC,WAAY,CACZ,UACD,CAGD,4CACC,kCAAmC,CACnC,QAAS,CACT,eAAgB,CAChB,QAAS,CACT,gDAAiD,CACjD,SAaD,CAnBA,4GAaE,aAMF,CAJE,mEACC,kDACD,CAKF,6CACC,yDAWD,CATC,wEACC,QAAS,CACT,SAAU,CACV,UAKD,CAHC,8EACC,eACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\\\";\\n\\n.ck.ck-link-form {\\n\\tdisplay: flex;\\n\\n\\t& .ck-label {\\n\\t\\tdisplay: none;\\n\\t}\\n\\n\\t@mixin ck-media-phone {\\n\\t\\tflex-wrap: wrap;\\n\\n\\t\\t& .ck-labeled-field-view {\\n\\t\\t\\tflex-basis: 100%;\\n\\t\\t}\\n\\n\\t\\t& .ck-button {\\n\\t\\t\\tflex-basis: 50%;\\n\\t\\t}\\n\\t}\\n}\\n\\n/*\\n * Style link form differently when manual decorators are available.\\n * See: https://github.com/ckeditor/ckeditor5-link/issues/186.\\n */\\n.ck.ck-link-form_layout-vertical {\\n\\tdisplay: block;\\n\\n\\t/*\\n\\t * Whether the form is in the responsive mode or not, if there are decorator buttons\\n\\t * keep the top margin of action buttons medium.\\n\\t */\\n\\t& .ck-button {\\n\\t\\t&.ck-button-save,\\n\\t\\t&.ck-button-cancel {\\n\\t\\t\\tmargin-top: var(--ck-spacing-medium);\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@define-mixin ck-media-phone {\\n\\t@media screen and (max-width: 600px) {\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n\\n/*\\n * Style link form differently when manual decorators are available.\\n * See: https://github.com/ckeditor/ckeditor5-link/issues/186.\\n */\\n.ck.ck-link-form_layout-vertical {\\n\\tpadding: 0;\\n\\tmin-width: var(--ck-input-width);\\n\\n\\t& .ck-labeled-field-view {\\n\\t\\tmargin: var(--ck-spacing-large) var(--ck-spacing-large) var(--ck-spacing-small);\\n\\n\\t\\t& .ck-input-text {\\n\\t\\t\\tmin-width: 0;\\n\\t\\t\\twidth: 100%;\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck-button {\\n\\t\\tpadding: var(--ck-spacing-standard);\\n\\t\\tmargin: 0;\\n\\t\\tborder-radius: 0;\\n\\t\\tborder: 0;\\n\\t\\tborder-top: 1px solid var(--ck-color-base-border);\\n\\t\\twidth: 50%;\\n\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\tmargin-left: 0;\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\tmargin-left: 0;\\n\\n\\t\\t\\t&:last-of-type {\\n\\t\\t\\t\\tborder-right: 1px solid var(--ck-color-base-border);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t/* Using additional `.ck` class for stronger CSS specificity than `.ck.ck-link-form > :not(:first-child)`. */\\n\\t& .ck.ck-list {\\n\\t\\tmargin: var(--ck-spacing-standard) var(--ck-spacing-large);\\n\\n\\t\\t& .ck-button.ck-switchbutton {\\n\\t\\t\\tborder: 0;\\n\\t\\t\\tpadding: 0;\\n\\t\\t\\twidth: 100%;\\n\\n\\t\\t\\t&:hover {\\n\\t\\t\\t\\tbackground: none;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-todo-list-checkmark-size:16px}.ck-content .todo-list{list-style:none}.ck-content .todo-list li{margin-bottom:5px}.ck-content .todo-list li .todo-list{margin-top:5px}.ck-content .todo-list .todo-list__label>input{-webkit-appearance:none;display:inline-block;position:relative;width:var(--ck-todo-list-checkmark-size);height:var(--ck-todo-list-checkmark-size);vertical-align:middle;border:0;left:-25px;margin-right:-15px;right:0;margin-left:0}.ck-content .todo-list .todo-list__label>input:before{display:block;position:absolute;box-sizing:border-box;content:\\\"\\\";width:100%;height:100%;border:1px solid #333;border-radius:2px;transition:box-shadow .25s ease-in-out,background .25s ease-in-out,border .25s ease-in-out}.ck-content .todo-list .todo-list__label>input:after{display:block;position:absolute;box-sizing:content-box;pointer-events:none;content:\\\"\\\";left:calc(var(--ck-todo-list-checkmark-size)/3);top:calc(var(--ck-todo-list-checkmark-size)/5.3);width:calc(var(--ck-todo-list-checkmark-size)/5.3);height:calc(var(--ck-todo-list-checkmark-size)/2.6);border-left:0 solid transparent;border-bottom:calc(var(--ck-todo-list-checkmark-size)/8) solid transparent;border-right:calc(var(--ck-todo-list-checkmark-size)/8) solid transparent;border-top:0 solid transparent;transform:rotate(45deg)}.ck-content .todo-list .todo-list__label>input[checked]:before{background:#26ab33;border-color:#26ab33}.ck-content .todo-list .todo-list__label>input[checked]:after{border-color:#fff}.ck-content .todo-list .todo-list__label .todo-list__label__description{vertical-align:middle}[dir=rtl] .todo-list .todo-list__label>input{left:0;margin-right:0;right:-25px;margin-left:-15px}.ck-editor__editable .todo-list .todo-list__label>input{cursor:pointer}.ck-editor__editable .todo-list .todo-list__label>input:hover:before{box-shadow:0 0 0 5px rgba(0,0,0,.1)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-list/theme/todolist.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,kCACD,CAEA,uBACC,eA0ED,CAxEC,0BACC,iBAKD,CAHC,qCACC,cACD,CAIA,+CACC,uBAAwB,CACxB,oBAAqB,CACrB,iBAAkB,CAClB,wCAAyC,CACzC,yCAA0C,CAC1C,qBAAsB,CAGtB,QAAS,CAGT,UAAW,CACX,kBAAmB,CACnB,OAAQ,CACR,aA0CD,CAxCC,sDACC,aAAc,CACd,iBAAkB,CAClB,qBAAsB,CACtB,UAAW,CACX,UAAW,CACX,WAAY,CACZ,qBAAiC,CACjC,iBAAkB,CAClB,0FACD,CAEA,qDACC,aAAc,CACd,iBAAkB,CAClB,sBAAuB,CACvB,mBAAoB,CACpB,UAAW,CAGX,+CAAoD,CACpD,gDAAqD,CACrD,kDAAuD,CACvD,mDAAwD,CAGxD,+BAA+G,CAA/G,0EAA+G,CAA/G,yEAA+G,CAA/G,8BAA+G,CAC/G,uBACD,CAGC,+DACC,kBAA8B,CAC9B,oBACD,CAEA,8DACC,iBACD,CAIF,wEACC,qBACD,CAKF,6CACC,MAAO,CACP,cAAe,CACf,WAAY,CACZ,iBACD,CAMA,wDACC,cAKD,CAHC,qEACC,mCACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-todo-list-checkmark-size: 16px;\\n}\\n\\n.ck-content .todo-list {\\n\\tlist-style: none;\\n\\n\\t& li {\\n\\t\\tmargin-bottom: 5px;\\n\\n\\t\\t& .todo-list {\\n\\t\\t\\tmargin-top: 5px;\\n\\t\\t}\\n\\t}\\n\\n\\t& .todo-list__label {\\n\\t\\t& > input {\\n\\t\\t\\t-webkit-appearance: none;\\n\\t\\t\\tdisplay: inline-block;\\n\\t\\t\\tposition: relative;\\n\\t\\t\\twidth: var(--ck-todo-list-checkmark-size);\\n\\t\\t\\theight: var(--ck-todo-list-checkmark-size);\\n\\t\\t\\tvertical-align: middle;\\n\\n\\t\\t\\t/* Needed on iOS */\\n\\t\\t\\tborder: 0;\\n\\n\\t\\t\\t/* LTR styles */\\n\\t\\t\\tleft: -25px;\\n\\t\\t\\tmargin-right: -15px;\\n\\t\\t\\tright: 0;\\n\\t\\t\\tmargin-left: 0;\\n\\n\\t\\t\\t&::before {\\n\\t\\t\\t\\tdisplay: block;\\n\\t\\t\\t\\tposition: absolute;\\n\\t\\t\\t\\tbox-sizing: border-box;\\n\\t\\t\\t\\tcontent: '';\\n\\t\\t\\t\\twidth: 100%;\\n\\t\\t\\t\\theight: 100%;\\n\\t\\t\\t\\tborder: 1px solid hsl(0, 0%, 20%);\\n\\t\\t\\t\\tborder-radius: 2px;\\n\\t\\t\\t\\ttransition: 250ms ease-in-out box-shadow, 250ms ease-in-out background, 250ms ease-in-out border;\\n\\t\\t\\t}\\n\\n\\t\\t\\t&::after {\\n\\t\\t\\t\\tdisplay: block;\\n\\t\\t\\t\\tposition: absolute;\\n\\t\\t\\t\\tbox-sizing: content-box;\\n\\t\\t\\t\\tpointer-events: none;\\n\\t\\t\\t\\tcontent: '';\\n\\n\\t\\t\\t\\t/* Calculate tick position, size and border-width proportional to the checkmark size. */\\n\\t\\t\\t\\tleft: calc( var(--ck-todo-list-checkmark-size) / 3 );\\n\\t\\t\\t\\ttop: calc( var(--ck-todo-list-checkmark-size) / 5.3 );\\n\\t\\t\\t\\twidth: calc( var(--ck-todo-list-checkmark-size) / 5.3 );\\n\\t\\t\\t\\theight: calc( var(--ck-todo-list-checkmark-size) / 2.6 );\\n\\t\\t\\t\\tborder-style: solid;\\n\\t\\t\\t\\tborder-color: transparent;\\n\\t\\t\\t\\tborder-width: 0 calc( var(--ck-todo-list-checkmark-size) / 8 ) calc( var(--ck-todo-list-checkmark-size) / 8 ) 0;\\n\\t\\t\\t\\ttransform: rotate(45deg);\\n\\t\\t\\t}\\n\\n\\t\\t\\t&[checked] {\\n\\t\\t\\t\\t&::before {\\n\\t\\t\\t\\t\\tbackground: hsl(126, 64%, 41%);\\n\\t\\t\\t\\t\\tborder-color: hsl(126, 64%, 41%);\\n\\t\\t\\t\\t}\\n\\n\\t\\t\\t\\t&::after {\\n\\t\\t\\t\\t\\tborder-color: hsl(0, 0%, 100%);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t& .todo-list__label__description {\\n\\t\\t\\tvertical-align: middle;\\n\\t\\t}\\n\\t}\\n}\\n\\n/* RTL styles */\\n[dir=\\\"rtl\\\"] .todo-list .todo-list__label > input {\\n\\tleft: 0;\\n\\tmargin-right: 0;\\n\\tright: -25px;\\n\\tmargin-left: -15px;\\n}\\n\\n/*\\n * To-do list should be interactive only during the editing\\n * (https://github.com/ckeditor/ckeditor5/issues/2090).\\n */\\n.ck-editor__editable .todo-list .todo-list__label > input {\\n\\tcursor: pointer;\\n\\n\\t&:hover::before {\\n\\t\\tbox-shadow: 0 0 0 5px hsla(0, 0%, 0%, 0.1);\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-color-mention-background:rgba(153,0,48,0.1);--ck-color-mention-text:#990030}.ck-content .mention{background:var(--ck-color-mention-background);color:var(--ck-color-mention-text)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-mention/mention.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,gDAAwD,CACxD,+BACD,CAEA,qBACC,6CAA8C,CAC9C,kCACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-color-mention-background: hsla(341, 100%, 30%, 0.1);\\n\\t--ck-color-mention-text: hsl(341, 100%, 30%);\\n}\\n\\n.ck-content .mention {\\n\\tbackground: var(--ck-color-mention-background);\\n\\tcolor: var(--ck-color-mention-text);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-mention-list-max-height:300px}.ck.ck-mentions{max-height:var(--ck-mention-list-max-height);overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain}.ck.ck-mentions>.ck-list__item{overflow:hidden;flex-shrink:0}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-mention/theme/mentionui.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,kCACD,CAEA,gBACC,4CAA6C,CAE7C,eAAgB,CAIhB,iBAAkB,CAElB,2BAQD,CAJC,+BACC,eAAgB,CAChB,aACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-mention-list-max-height: 300px;\\n}\\n\\n.ck.ck-mentions {\\n\\tmax-height: var(--ck-mention-list-max-height);\\n\\n\\toverflow-y: auto;\\n\\n\\t/* Prevent unnecessary horizontal scrollbar in Safari\\n\\thttps://github.com/ckeditor/ckeditor5-mention/issues/41 */\\n\\toverflow-x: hidden;\\n\\n\\toverscroll-behavior: contain;\\n\\n\\t/* Prevent unnecessary vertical scrollbar in Safari\\n\\thttps://github.com/ckeditor/ckeditor5-mention/issues/41 */\\n\\t& > .ck-list__item {\\n\\t\\toverflow: hidden;\\n\\t\\tflex-shrink: 0;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-input-color{width:100%;display:flex;flex-direction:row-reverse}.ck.ck-input-color>input.ck.ck-input-text{min-width:auto;flex-grow:1}.ck.ck-input-color>div.ck.ck-dropdown{min-width:auto}.ck.ck-input-color>div.ck.ck-dropdown>.ck-input-color__button .ck-dropdown__arrow{display:none}.ck.ck-input-color .ck.ck-input-color__button{display:flex}.ck.ck-input-color .ck.ck-input-color__button .ck.ck-input-color__button__preview{position:relative;overflow:hidden}.ck.ck-input-color .ck.ck-input-color__button .ck.ck-input-color__button__preview>.ck.ck-input-color__button__preview__no-color-indicator{position:absolute;display:block}[dir=ltr] .ck.ck-input-color>.ck.ck-input-text{border-top-right-radius:0;border-bottom-right-radius:0}[dir=rtl] .ck.ck-input-color>.ck.ck-input-text{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{padding:0}[dir=ltr] .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{border-left-width:0;border-top-left-radius:0;border-bottom-left-radius:0}[dir=rtl] .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button{border-right-width:0;border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button.ck-disabled{background:var(--ck-color-input-disabled-background)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview{border-radius:0}.ck-rounded-corners .ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview,.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview{width:20px;height:20px;border:1px solid var(--ck-color-input-border)}.ck.ck-input-color>.ck.ck-dropdown>.ck.ck-button.ck-input-color__button>.ck.ck-input-color__button__preview>.ck.ck-input-color__button__preview__no-color-indicator{top:-30%;left:50%;height:150%;width:8%;background:red;border-radius:2px;transform:rotate(45deg);transform-origin:50%}.ck.ck-input-color .ck.ck-input-color__remove-color{width:100%;border-bottom:1px solid var(--ck-color-input-border);padding:calc(var(--ck-spacing-standard)/2) var(--ck-spacing-standard);border-bottom-left-radius:0;border-bottom-right-radius:0}[dir=ltr] .ck.ck-input-color .ck.ck-input-color__remove-color{border-top-right-radius:0}[dir=rtl] .ck.ck-input-color .ck.ck-input-color__remove-color{border-top-left-radius:0}.ck.ck-input-color .ck.ck-input-color__remove-color .ck.ck-icon{margin-right:var(--ck-spacing-standard)}[dir=rtl] .ck.ck-input-color .ck.ck-input-color__remove-color .ck.ck-icon{margin-right:0;margin-left:var(--ck-spacing-standard)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-table/theme/colorinput.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/colorinput.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css\"],\"names\":[],\"mappings\":\"AAKA,mBACC,UAAW,CACX,YAAa,CACb,0BA8BD,CA5BC,0CACC,cAAe,CACf,WACD,CAEA,sCACC,cAMD,CAHC,kFACC,YACD,CAGD,8CAEC,YAWD,CATC,kFACC,iBAAkB,CAClB,eAMD,CAJC,0IACC,iBAAkB,CAClB,aACD,CC1BF,+CAEE,yBAA0B,CAC1B,4BAOF,CAVA,+CAOE,wBAAyB,CACzB,2BAEF,CAGC,wEACC,SAoCD,CArCA,kFAIE,mBAAoB,CACpB,wBAAyB,CACzB,2BA+BF,CArCA,kFAUE,oBAAqB,CACrB,yBAA0B,CAC1B,4BAyBF,CAtBC,oFACC,oDACD,CAEA,4GC9BF,eD+CE,CAjBA,+PC1BD,qCD2CC,CAjBA,4GAGC,UAAW,CACX,WAAY,CACZ,6CAYD,CAVC,oKACC,QAAS,CACT,QAAS,CACT,WAAY,CACZ,QAAS,CACT,cAA6B,CAC7B,iBAAkB,CAClB,uBAAwB,CACxB,oBACD,CAKH,oDACC,UAAW,CACX,oDAAqD,CACrD,qEAAwE,CAExE,2BAA4B,CAC5B,4BAkBD,CAxBA,8DASE,yBAeF,CAxBA,8DAaE,wBAWF,CARC,gEACC,uCAMD,CAPA,0EAIE,cAAe,CACf,sCAEF\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-input-color {\\n\\twidth: 100%;\\n\\tdisplay: flex;\\n\\tflex-direction: row-reverse;\\n\\n\\t& > input.ck.ck-input-text {\\n\\t\\tmin-width: auto;\\n\\t\\tflex-grow: 1;\\n\\t}\\n\\n\\t& > div.ck.ck-dropdown {\\n\\t\\tmin-width: auto;\\n\\n\\t\\t/* This dropdown has no arrow but a color preview instead. */\\n\\t\\t& > .ck-input-color__button .ck-dropdown__arrow {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck.ck-input-color__button {\\n\\t\\t/* Resolving issue with misaligned buttons on Safari (see #10589) */\\n\\t\\tdisplay: flex;\\n\\n\\t\\t& .ck.ck-input-color__button__preview {\\n\\t\\t\\tposition: relative;\\n\\t\\t\\toverflow: hidden;\\n\\n\\t\\t\\t& > .ck.ck-input-color__button__preview__no-color-indicator {\\n\\t\\t\\t\\tposition: absolute;\\n\\t\\t\\t\\tdisplay: block;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n@import \\\"../mixins/_rounded.css\\\";\\n\\n.ck.ck-input-color {\\n\\t& > .ck.ck-input-text {\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\tborder-top-right-radius: 0;\\n\\t\\t\\tborder-bottom-right-radius: 0;\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\tborder-top-left-radius: 0;\\n\\t\\t\\tborder-bottom-left-radius: 0;\\n\\t\\t}\\n\\t}\\n\\n\\t& > .ck.ck-dropdown {\\n\\t\\t& > .ck.ck-button.ck-input-color__button {\\n\\t\\t\\tpadding: 0;\\n\\n\\t\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t\\tborder-left-width: 0;\\n\\t\\t\\t\\tborder-top-left-radius: 0;\\n\\t\\t\\t\\tborder-bottom-left-radius: 0;\\n\\t\\t\\t}\\n\\n\\t\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t\\tborder-right-width: 0;\\n\\t\\t\\t\\tborder-top-right-radius: 0;\\n\\t\\t\\t\\tborder-bottom-right-radius: 0;\\n\\t\\t\\t}\\n\\n\\t\\t\\t&.ck-disabled {\\n\\t\\t\\t\\tbackground: var(--ck-color-input-disabled-background);\\n\\t\\t\\t}\\n\\n\\t\\t\\t& > .ck.ck-input-color__button__preview {\\n\\t\\t\\t\\t@mixin ck-rounded-corners;\\n\\n\\t\\t\\t\\twidth: 20px;\\n\\t\\t\\t\\theight: 20px;\\n\\t\\t\\t\\tborder: 1px solid var(--ck-color-input-border);\\n\\n\\t\\t\\t\\t& > .ck.ck-input-color__button__preview__no-color-indicator {\\n\\t\\t\\t\\t\\ttop: -30%;\\n\\t\\t\\t\\t\\tleft: 50%;\\n\\t\\t\\t\\t\\theight: 150%;\\n\\t\\t\\t\\t\\twidth: 8%;\\n\\t\\t\\t\\t\\tbackground: hsl(0, 100%, 50%);\\n\\t\\t\\t\\t\\tborder-radius: 2px;\\n\\t\\t\\t\\t\\ttransform: rotate(45deg);\\n\\t\\t\\t\\t\\ttransform-origin: 50%;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck.ck-input-color__remove-color {\\n\\t\\twidth: 100%;\\n\\t\\tborder-bottom: 1px solid var(--ck-color-input-border);\\n\\t\\tpadding: calc(var(--ck-spacing-standard) / 2) var(--ck-spacing-standard);\\n\\n\\t\\tborder-bottom-left-radius: 0;\\n\\t\\tborder-bottom-right-radius: 0;\\n\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\tborder-top-right-radius: 0;\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\tborder-top-left-radius: 0;\\n\\t\\t}\\n\\n\\t\\t& .ck.ck-icon {\\n\\t\\t\\tmargin-right: var(--ck-spacing-standard);\\n\\n\\t\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t\\tmargin-right: 0;\\n\\t\\t\\t\\tmargin-left: var(--ck-spacing-standard);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-form{padding:0 0 var(--ck-spacing-large)}.ck.ck-form:focus{outline:none}.ck.ck-form .ck.ck-input-text{min-width:100%;width:0}.ck.ck-form .ck.ck-dropdown{min-width:100%}.ck.ck-form .ck.ck-dropdown .ck-dropdown__button:not(:focus){border:1px solid var(--ck-color-base-border)}.ck.ck-form .ck.ck-dropdown .ck-dropdown__button .ck-button__label{width:100%}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/form.css\"],\"names\":[],\"mappings\":\"AAKA,YACC,mCAyBD,CAvBC,kBAEC,YACD,CAEA,8BACC,cAAe,CACf,OACD,CAEA,4BACC,cAWD,CARE,6DACC,4CACD,CAEA,mEACC,UACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-form {\\n\\tpadding: 0 0 var(--ck-spacing-large);\\n\\n\\t&:focus {\\n\\t\\t/* See: https://github.com/ckeditor/ckeditor5/issues/4773 */\\n\\t\\toutline: none;\\n\\t}\\n\\n\\t& .ck.ck-input-text {\\n\\t\\tmin-width: 100%;\\n\\t\\twidth: 0;\\n\\t}\\n\\n\\t& .ck.ck-dropdown {\\n\\t\\tmin-width: 100%;\\n\\n\\t\\t& .ck-dropdown__button {\\n\\t\\t\\t&:not(:focus) {\\n\\t\\t\\t\\tborder: 1px solid var(--ck-color-base-border);\\n\\t\\t\\t}\\n\\n\\t\\t\\t& .ck-button__label {\\n\\t\\t\\t\\twidth: 100%;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-form__row{display:flex;flex-direction:row;flex-wrap:nowrap;justify-content:space-between}.ck.ck-form__row>:not(.ck-label){flex-grow:1}.ck.ck-form__row.ck-table-form__action-row .ck-button-cancel,.ck.ck-form__row.ck-table-form__action-row .ck-button-save{justify-content:center}.ck.ck-form__row{padding:var(--ck-spacing-standard) var(--ck-spacing-large) 0}[dir=ltr] .ck.ck-form__row>:not(.ck-label)+*{margin-left:var(--ck-spacing-large)}[dir=rtl] .ck.ck-form__row>:not(.ck-label)+*{margin-right:var(--ck-spacing-large)}.ck.ck-form__row>.ck-label{width:100%;min-width:100%}.ck.ck-form__row.ck-table-form__action-row{margin-top:var(--ck-spacing-large)}.ck.ck-form__row.ck-table-form__action-row .ck-button .ck-button__label{color:var(--ck-color-text)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-table/theme/formrow.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/formrow.css\"],\"names\":[],\"mappings\":\"AAKA,iBACC,YAAa,CACb,kBAAmB,CACnB,gBAAiB,CACjB,6BAaD,CAVC,iCACC,WACD,CAGC,wHAEC,sBACD,CCbF,iBACC,4DA2BD,CAvBE,6CAEE,mCAMF,CARA,6CAME,oCAEF,CAGD,2BACC,UAAW,CACX,cACD,CAEA,2CACC,kCAKD,CAHC,wEACC,0BACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-form__row {\\n\\tdisplay: flex;\\n\\tflex-direction: row;\\n\\tflex-wrap: nowrap;\\n\\tjustify-content: space-between;\\n\\n\\t/* Ignore labels that work as fieldset legends */\\n\\t& > *:not(.ck-label) {\\n\\t\\tflex-grow: 1;\\n\\t}\\n\\n\\t&.ck-table-form__action-row {\\n\\t\\t& .ck-button-save,\\n\\t\\t& .ck-button-cancel {\\n\\t\\t\\tjustify-content: center;\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n\\n.ck.ck-form__row {\\n\\tpadding: var(--ck-spacing-standard) var(--ck-spacing-large) 0;\\n\\n\\t/* Ignore labels that work as fieldset legends */\\n\\t& > *:not(.ck-label) {\\n\\t\\t& + * {\\n\\t\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t\\tmargin-left: var(--ck-spacing-large);\\n\\t\\t\\t}\\n\\n\\t\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t\\tmargin-right: var(--ck-spacing-large);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t& > .ck-label {\\n\\t\\twidth: 100%;\\n\\t\\tmin-width: 100%;\\n\\t}\\n\\n\\t&.ck-table-form__action-row {\\n\\t\\tmargin-top: var(--ck-spacing-large);\\n\\n\\t\\t& .ck-button .ck-button__label {\\n\\t\\t\\tcolor: var(--ck-color-text);\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck .ck-insert-table-dropdown__grid{display:flex;flex-direction:row;flex-wrap:wrap}:root{--ck-insert-table-dropdown-padding:10px;--ck-insert-table-dropdown-box-height:11px;--ck-insert-table-dropdown-box-width:12px;--ck-insert-table-dropdown-box-margin:1px}.ck .ck-insert-table-dropdown__grid{width:calc(var(--ck-insert-table-dropdown-box-width)*10 + var(--ck-insert-table-dropdown-box-margin)*20 + var(--ck-insert-table-dropdown-padding)*2);padding:var(--ck-insert-table-dropdown-padding) var(--ck-insert-table-dropdown-padding) 0}.ck .ck-insert-table-dropdown__label{text-align:center}.ck .ck-insert-table-dropdown-grid-box{width:var(--ck-insert-table-dropdown-box-width);height:var(--ck-insert-table-dropdown-box-height);margin:var(--ck-insert-table-dropdown-box-margin);border:1px solid var(--ck-color-base-border);border-radius:1px}.ck .ck-insert-table-dropdown-grid-box.ck-on{border-color:var(--ck-color-focus-border);background:var(--ck-color-focus-outer-shadow)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-table/theme/inserttable.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/inserttable.css\"],\"names\":[],\"mappings\":\"AAKA,oCACC,YAAa,CACb,kBAAmB,CACnB,cACD,CCJA,MACC,uCAAwC,CACxC,0CAA2C,CAC3C,yCAA0C,CAC1C,yCACD,CAEA,oCAEC,oJAA2J,CAC3J,yFACD,CAEA,qCACC,iBACD,CAEA,uCACC,+CAAgD,CAChD,iDAAkD,CAClD,iDAAkD,CAClD,4CAA6C,CAC7C,iBAMD,CAJC,6CACC,yCAA0C,CAC1C,6CACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck .ck-insert-table-dropdown__grid {\\n\\tdisplay: flex;\\n\\tflex-direction: row;\\n\\tflex-wrap: wrap;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-insert-table-dropdown-padding: 10px;\\n\\t--ck-insert-table-dropdown-box-height: 11px;\\n\\t--ck-insert-table-dropdown-box-width: 12px;\\n\\t--ck-insert-table-dropdown-box-margin: 1px;\\n}\\n\\n.ck .ck-insert-table-dropdown__grid {\\n\\t/* The width of a container should match 10 items in a row so there will be a 10x10 grid. */\\n\\twidth: calc(var(--ck-insert-table-dropdown-box-width) * 10 + var(--ck-insert-table-dropdown-box-margin) * 20 + var(--ck-insert-table-dropdown-padding) * 2);\\n\\tpadding: var(--ck-insert-table-dropdown-padding) var(--ck-insert-table-dropdown-padding) 0;\\n}\\n\\n.ck .ck-insert-table-dropdown__label {\\n\\ttext-align: center;\\n}\\n\\n.ck .ck-insert-table-dropdown-grid-box {\\n\\twidth: var(--ck-insert-table-dropdown-box-width);\\n\\theight: var(--ck-insert-table-dropdown-box-height);\\n\\tmargin: var(--ck-insert-table-dropdown-box-margin);\\n\\tborder: 1px solid var(--ck-color-base-border);\\n\\tborder-radius: 1px;\\n\\n\\t&.ck-on {\\n\\t\\tborder-color: var(--ck-color-focus-border);\\n\\t\\tbackground: var(--ck-color-focus-outer-shadow);\\n\\t}\\n}\\n\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck-content .table{margin:.9em auto;display:table}.ck-content .table table{border-collapse:collapse;border-spacing:0;width:100%;height:100%;border:1px double #b3b3b3}.ck-content .table table td,.ck-content .table table th{min-width:2em;padding:.4em;border:1px solid #bfbfbf}.ck-content .table table th{font-weight:700;background:hsla(0,0%,0%,5%)}.ck-content[dir=rtl] .table th{text-align:right}.ck-content[dir=ltr] .table th{text-align:left}.ck-editor__editable .ck-table-bogus-paragraph{display:inline-block;width:100%}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-table/theme/table.css\"],\"names\":[],\"mappings\":\"AAKA,mBAIC,gBAAkB,CAClB,aAgCD,CA9BC,yBAEC,wBAAyB,CACzB,gBAAiB,CAIjB,UAAW,CACX,WAAY,CAIZ,yBAiBD,CAfC,wDAEC,aAAc,CACd,YAAa,CAKb,wBACD,CAEA,4BACC,eAAiB,CACjB,2BACD,CAMF,+BACC,gBACD,CAEA,+BACC,eACD,CAEA,+CAKC,oBAAqB,CAMrB,UACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck-content .table {\\n\\t/* Give the table widget some air and center it horizontally */\\n\\t/* The first value should be equal to --ck-spacing-large variable if used in the editor context\\n\\tto avoid the content jumping (See https://github.com/ckeditor/ckeditor5/issues/9825). */\\n\\tmargin: 0.9em auto;\\n\\tdisplay: table;\\n\\n\\t& table {\\n\\t\\t/* The table cells should have slight borders */\\n\\t\\tborder-collapse: collapse;\\n\\t\\tborder-spacing: 0;\\n\\n\\t\\t/* Table width and height are set on the parent <figure>. Make sure the table inside stretches\\n\\t\\tto the full dimensions of the container (https://github.com/ckeditor/ckeditor5/issues/6186). */\\n\\t\\twidth: 100%;\\n\\t\\theight: 100%;\\n\\n\\t\\t/* The outer border of the table should be slightly darker than the inner lines.\\n\\t\\tAlso see https://github.com/ckeditor/ckeditor5-table/issues/50. */\\n\\t\\tborder: 1px double hsl(0, 0%, 70%);\\n\\n\\t\\t& td,\\n\\t\\t& th {\\n\\t\\t\\tmin-width: 2em;\\n\\t\\t\\tpadding: .4em;\\n\\n\\t\\t\\t/* The border is inherited from .ck-editor__nested-editable styles, so theoretically it's not necessary here.\\n\\t\\t\\tHowever, the border is a content style, so it should use .ck-content (so it works outside the editor).\\n\\t\\t\\tHence, the duplication. See https://github.com/ckeditor/ckeditor5/issues/6314 */\\n\\t\\t\\tborder: 1px solid hsl(0, 0%, 75%);\\n\\t\\t}\\n\\n\\t\\t& th {\\n\\t\\t\\tfont-weight: bold;\\n\\t\\t\\tbackground: hsla(0, 0%, 0%, 5%);\\n\\t\\t}\\n\\t}\\n}\\n\\n/* Text alignment of the table header should match the editor settings and override the native browser styling,\\nwhen content is available outside the ediitor. See https://github.com/ckeditor/ckeditor5/issues/6638 */\\n.ck-content[dir=\\\"rtl\\\"] .table th {\\n\\ttext-align: right;\\n}\\n\\n.ck-content[dir=\\\"ltr\\\"] .table th {\\n\\ttext-align: left;\\n}\\n\\n.ck-editor__editable .ck-table-bogus-paragraph {\\n\\t/*\\n\\t * Use display:inline-block to force Chrome/Safari to limit text mutations to this element.\\n\\t * See https://github.com/ckeditor/ckeditor5/issues/6062.\\n\\t */\\n\\tdisplay: inline-block;\\n\\n\\t/*\\n\\t * Inline HTML elements nested in the span should always be dimensioned in relation to the whole cell width.\\n\\t * See https://github.com/ckeditor/ckeditor5/issues/9117.\\n\\t */\\n\\twidth: 100%;\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row{flex-wrap:wrap}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row .ck.ck-toolbar:first-of-type{flex-grow:0.57}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row .ck.ck-toolbar:last-of-type{flex-grow:0.43}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row .ck.ck-toolbar .ck-button{flex-grow:1}.ck.ck-table-cell-properties-form{width:320px}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__padding-row{align-self:flex-end;padding:0;width:25%}.ck.ck-table-cell-properties-form .ck-form__row.ck-table-cell-properties-form__alignment-row .ck.ck-toolbar{background:none;margin-top:var(--ck-spacing-standard)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-table/theme/tablecellproperties.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/tablecellproperties.css\"],\"names\":[],\"mappings\":\"AAOE,6FACC,cAiBD,CAdE,0HAEC,cACD,CAEA,yHAEC,cACD,CAEA,uHACC,WACD,CClBJ,kCACC,WAkBD,CAfE,2FACC,mBAAoB,CACpB,SAAU,CACV,SACD,CAGC,4GACC,eAAgB,CAGhB,qCACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-table-cell-properties-form {\\n\\t& .ck-form__row {\\n\\t\\t&.ck-table-cell-properties-form__alignment-row {\\n\\t\\t\\tflex-wrap: wrap;\\n\\n\\t\\t\\t& .ck.ck-toolbar {\\n\\t\\t\\t\\t&:first-of-type {\\n\\t\\t\\t\\t\\t/* 4 buttons out of 7 (h-alignment + v-alignment) = 0.57 */\\n\\t\\t\\t\\t\\tflex-grow: 0.57;\\n\\t\\t\\t\\t}\\n\\n\\t\\t\\t\\t&:last-of-type {\\n\\t\\t\\t\\t\\t/* 3 buttons out of 7 (h-alignment + v-alignment) = 0.43 */\\n\\t\\t\\t\\t\\tflex-grow: 0.43;\\n\\t\\t\\t\\t}\\n\\n\\t\\t\\t\\t& .ck-button {\\n\\t\\t\\t\\t\\tflex-grow: 1;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-table-cell-properties-form {\\n\\twidth: 320px;\\n\\n\\t& .ck-form__row {\\n\\t\\t&.ck-table-cell-properties-form__padding-row {\\n\\t\\t\\talign-self: flex-end;\\n\\t\\t\\tpadding: 0;\\n\\t\\t\\twidth: 25%;\\n\\t\\t}\\n\\n\\t\\t&.ck-table-cell-properties-form__alignment-row {\\n\\t\\t\\t& .ck.ck-toolbar {\\n\\t\\t\\t\\tbackground: none;\\n\\n\\t\\t\\t\\t/* Compensate for missing input label that would push the margin (toolbar has no inputs). */\\n\\t\\t\\t\\tmargin-top: var(--ck-spacing-standard);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-color-table-focused-cell-background:rgba(158,207,250,0.3)}.ck-widget.table td.ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck-widget.table td.ck-editor__nested-editable:focus,.ck-widget.table th.ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck-widget.table th.ck-editor__nested-editable:focus{background:var(--ck-color-table-focused-cell-background);border-style:none;outline:1px solid var(--ck-color-focus-border);outline-offset:-1px}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/tableediting.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,8DACD,CAKE,8QAGC,wDAAyD,CAKzD,iBAAkB,CAClB,8CAA+C,CAC/C,mBACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-color-table-focused-cell-background: hsla(208, 90%, 80%, .3);\\n}\\n\\n.ck-widget.table {\\n\\t& td,\\n\\t& th {\\n\\t\\t&.ck-editor__nested-editable.ck-editor__nested-editable_focused,\\n\\t\\t&.ck-editor__nested-editable:focus {\\n\\t\\t\\t/* A very slight background to highlight the focused cell */\\n\\t\\t\\tbackground: var(--ck-color-table-focused-cell-background);\\n\\n\\t\\t\\t/* Fixes the problem where surrounding cells cover the focused cell's border.\\n\\t\\t\\tIt does not fix the problem in all places but the UX is improved.\\n\\t\\t\\tSee https://github.com/ckeditor/ckeditor5-table/issues/29. */\\n\\t\\t\\tborder-style: none;\\n\\t\\t\\toutline: 1px solid var(--ck-color-focus-border);\\n\\t\\t\\toutline-offset: -1px; /* progressive enhancement - no IE support */\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-table-form .ck-form__row.ck-table-form__background-row,.ck.ck-table-form .ck-form__row.ck-table-form__border-row{flex-wrap:wrap}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row{flex-wrap:wrap;align-items:center}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-labeled-field-view{display:flex;flex-direction:column-reverse;align-items:center}.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-labeled-field-view .ck.ck-dropdown,.ck.ck-table-form .ck-form__row.ck-table-form__dimensions-row .ck-table-form__dimension-operator{flex-grow:0}.ck.ck-table-form 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* Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-table-form {\\n\\t& .ck-form__row {\\n\\t\\t&.ck-table-form__border-row {\\n\\t\\t\\tflex-wrap: wrap;\\n\\t\\t}\\n\\n\\t\\t&.ck-table-form__background-row {\\n\\t\\t\\tflex-wrap: wrap;\\n\\t\\t}\\n\\n\\t\\t&.ck-table-form__dimensions-row {\\n\\t\\t\\tflex-wrap: wrap;\\n\\t\\t\\talign-items: center;\\n\\n\\t\\t\\t& .ck-labeled-field-view {\\n\\t\\t\\t\\tdisplay: flex;\\n\\t\\t\\t\\tflex-direction: column-reverse;\\n\\t\\t\\t\\talign-items: center;\\n\\n\\t\\t\\t\\t& .ck.ck-dropdown {\\n\\t\\t\\t\\t\\tflex-grow: 0;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\n\\t\\t\\t& .ck-table-form__dimension-operator {\\n\\t\\t\\t\\tflex-grow: 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck.ck-labeled-field-view {\\n\\t\\t/* Allow absolute positioning of the status (error) balloons. */\\n\\t\\tposition: relative;\\n\\n\\t\\t& .ck.ck-labeled-field-view__status {\\n\\t\\t\\tposition: absolute;\\n\\t\\t\\tleft: 50%;\\n\\t\\t\\tbottom: calc( -1 * var(--ck-table-properties-error-arrow-size) );\\n\\t\\t\\ttransform: translate(-50%,100%);\\n\\n\\t\\t\\t/* Make sure the balloon status stays on top of other form elements. */\\n\\t\\t\\tz-index: 1;\\n\\n\\t\\t\\t/* The arrow pointing towards the field. */\\n\\t\\t\\t&::after {\\n\\t\\t\\t\\tcontent: \\\"\\\";\\n\\t\\t\\t\\tposition: absolute;\\n\\t\\t\\t\\ttop: calc( -1 * var(--ck-table-properties-error-arrow-size) );\\n\\t\\t\\t\\tleft: 50%;\\n\\t\\t\\t\\ttransform: translateX( -50% );\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../mixins/_rounded.css\\\";\\n\\n:root {\\n\\t--ck-table-properties-error-arrow-size: 6px;\\n\\t--ck-table-properties-min-error-width: 150px;\\n}\\n\\n.ck.ck-table-form {\\n\\t& .ck-form__row {\\n\\t\\t&.ck-table-form__border-row {\\n\\t\\t\\t& .ck-labeled-field-view {\\n\\t\\t\\t\\t& > .ck-label {\\n\\t\\t\\t\\t\\tfont-size: var(--ck-font-size-tiny);\\n\\t\\t\\t\\t\\ttext-align: center;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\n\\t\\t\\t& .ck-table-form__border-style,\\n\\t\\t\\t& .ck-table-form__border-width {\\n\\t\\t\\t\\twidth: 80px;\\n\\t\\t\\t\\tmin-width: 80px;\\n\\t\\t\\t\\tmax-width: 80px;\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t&.ck-table-form__dimensions-row {\\n\\t\\t\\tpadding: 0;\\n\\n\\t\\t\\t& .ck-table-form__dimensions-row__width,\\n\\t\\t\\t& .ck-table-form__dimensions-row__height {\\n\\t\\t\\t\\tmargin: 0\\n\\t\\t\\t}\\n\\n\\t\\t\\t& .ck-table-form__dimension-operator {\\n\\t\\t\\t\\talign-self: flex-end;\\n\\t\\t\\t\\tdisplay: inline-block;\\n\\t\\t\\t\\theight: var(--ck-ui-component-min-height);\\n\\t\\t\\t\\tline-height: var(--ck-ui-component-min-height);\\n\\t\\t\\t\\tmargin: 0 var(--ck-spacing-small);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck.ck-labeled-field-view {\\n\\t\\tpadding-top: var(--ck-spacing-standard);\\n\\n\\t\\t& .ck.ck-labeled-field-view__status {\\n\\t\\t\\t@mixin ck-rounded-corners;\\n\\n\\t\\t\\tbackground: var(--ck-color-base-error);\\n\\t\\t\\tcolor: var(--ck-color-base-background);\\n\\t\\t\\tpadding: var(--ck-spacing-small) var(--ck-spacing-medium);\\n\\t\\t\\tmin-width: var(--ck-table-properties-min-error-width);\\n\\t\\t\\ttext-align: center;\\n\\n\\t\\t\\t/* The arrow pointing towards the field. */\\n\\t\\t\\t&::after {\\n\\t\\t\\t\\tborder-color: transparent transparent var(--ck-color-base-error) transparent;\\n\\t\\t\\t\\tborder-width: 0 var(--ck-table-properties-error-arrow-size) var(--ck-table-properties-error-arrow-size) var(--ck-table-properties-error-arrow-size);\\n\\t\\t\\t\\tborder-style: solid;\\n\\t\\t\\t}\\n\\n\\t\\t\\tanimation: ck-table-form-labeled-view-status-appear .15s ease both;\\n\\t\\t}\\n\\n\\t\\t/* Hide the error balloon when the field is blurred. Makes the experience much more clear. */\\n\\t\\t& .ck-input.ck-error:not(:focus) + .ck.ck-labeled-field-view__status {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n}\\n\\n@keyframes ck-table-form-labeled-view-status-appear {\\n\\t0% {\\n\\t\\topacity: 0;\\n\\t}\\n\\n\\t100% {\\n\\t\\topacity: 1;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row{flex-wrap:wrap;flex-basis:0;align-content:baseline}.ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row .ck.ck-toolbar .ck-toolbar__items{flex-wrap:nowrap}.ck.ck-table-properties-form{width:320px}.ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row{align-self:flex-end;padding:0}.ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row .ck.ck-toolbar{background:none;margin-top:var(--ck-spacing-standard)}.ck.ck-table-properties-form .ck-form__row.ck-table-properties-form__alignment-row .ck.ck-toolbar .ck-toolbar__items>*{width:40px}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-table/theme/tableproperties.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/tableproperties.css\"],\"names\":[],\"mappings\":\"AAOE,mFACC,cAAe,CACf,YAAa,CACb,sBAKD,CAHC,qHACC,gBACD,CCTH,6BACC,WAmBD,CAhBE,mFACC,mBAAoB,CACpB,SAYD,CAVC,kGACC,eAAgB,CAGhB,qCAKD,CAHC,uHACC,UACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-table-properties-form {\\n\\t& .ck-form__row {\\n\\t\\t&.ck-table-properties-form__alignment-row {\\n\\t\\t\\tflex-wrap: wrap;\\n\\t\\t\\tflex-basis: 0;\\n\\t\\t\\talign-content: baseline;\\n\\n\\t\\t\\t& .ck.ck-toolbar .ck-toolbar__items {\\n\\t\\t\\t\\tflex-wrap: nowrap;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-table-properties-form {\\n\\twidth: 320px;\\n\\n\\t& .ck-form__row {\\n\\t\\t&.ck-table-properties-form__alignment-row {\\n\\t\\t\\talign-self: flex-end;\\n\\t\\t\\tpadding: 0;\\n\\n\\t\\t\\t& .ck.ck-toolbar {\\n\\t\\t\\t\\tbackground: none;\\n\\n\\t\\t\\t\\t/* Compensate for missing input label that would push the margin (toolbar has no inputs). */\\n\\t\\t\\t\\tmargin-top: var(--ck-spacing-standard);\\n\\n\\t\\t\\t\\t& .ck-toolbar__items > * {\\n\\t\\t\\t\\t\\twidth: 40px;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-table-selected-cell-background:rgba(158,207,250,0.3)}.ck.ck-editor__editable .table table td.ck-editor__editable_selected,.ck.ck-editor__editable .table table th.ck-editor__editable_selected{position:relative;caret-color:transparent;outline:unset;box-shadow:unset}.ck.ck-editor__editable .table table td.ck-editor__editable_selected:after,.ck.ck-editor__editable .table table th.ck-editor__editable_selected:after{content:\\\"\\\";pointer-events:none;background-color:var(--ck-table-selected-cell-background);position:absolute;top:0;left:0;right:0;bottom:0}.ck.ck-editor__editable .table table td.ck-editor__editable_selected ::selection,.ck.ck-editor__editable .table table td.ck-editor__editable_selected:focus,.ck.ck-editor__editable .table table th.ck-editor__editable_selected ::selection,.ck.ck-editor__editable .table table th.ck-editor__editable_selected:focus{background-color:transparent}.ck.ck-editor__editable .table table td.ck-editor__editable_selected .ck-widget,.ck.ck-editor__editable .table table th.ck-editor__editable_selected .ck-widget{outline:unset}.ck.ck-editor__editable .table table td.ck-editor__editable_selected .ck-widget>.ck-widget__selection-handle,.ck.ck-editor__editable .table table th.ck-editor__editable_selected .ck-widget>.ck-widget__selection-handle{display:none}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/tableselection.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,yDACD,CAGC,0IAEC,iBAAkB,CAClB,uBAAwB,CACxB,aAAc,CACd,gBA8BD,CA3BC,sJACC,UAAW,CACX,mBAAoB,CACpB,yDAA0D,CAC1D,iBAAkB,CAClB,KAAM,CACN,MAAO,CACP,OAAQ,CACR,QACD,CAEA,wTAEC,4BACD,CAMA,gKACC,aAKD,CAHC,0NACC,YACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-table-selected-cell-background: hsla(208, 90%, 80%, .3);\\n}\\n\\n.ck.ck-editor__editable .table table {\\n\\t& td.ck-editor__editable_selected,\\n\\t& th.ck-editor__editable_selected {\\n\\t\\tposition: relative;\\n\\t\\tcaret-color: transparent;\\n\\t\\toutline: unset;\\n\\t\\tbox-shadow: unset;\\n\\n\\t\\t/* https://github.com/ckeditor/ckeditor5/issues/6446 */\\n\\t\\t&:after {\\n\\t\\t\\tcontent: '';\\n\\t\\t\\tpointer-events: none;\\n\\t\\t\\tbackground-color: var(--ck-table-selected-cell-background);\\n\\t\\t\\tposition: absolute;\\n\\t\\t\\ttop: 0;\\n\\t\\t\\tleft: 0;\\n\\t\\t\\tright: 0;\\n\\t\\t\\tbottom: 0;\\n\\t\\t}\\n\\n\\t\\t& ::selection,\\n\\t\\t&:focus {\\n\\t\\t\\tbackground-color: transparent;\\n\\t\\t}\\n\\n\\t\\t/*\\n\\t\\t * To reduce the amount of noise, all widgets in the table selection have no outline and no selection handle.\\n\\t\\t * See https://github.com/ckeditor/ckeditor5/issues/9491.\\n\\t\\t */\\n\\t\\t& .ck-widget {\\n\\t\\t\\toutline: unset;\\n\\n\\t\\t\\t& > .ck-widget__selection-handle {\\n\\t\\t\\t\\tdisplay: none;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-button,a.ck.ck-button{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none}.ck.ck-button .ck-tooltip,a.ck.ck-button .ck-tooltip{display:block}@media (hover:none){.ck.ck-button .ck-tooltip,a.ck.ck-button .ck-tooltip{display:none}}.ck.ck-button,a.ck.ck-button{position:relative;display:inline-flex;align-items:center;justify-content:left}.ck.ck-button .ck-button__label,a.ck.ck-button .ck-button__label{display:none}.ck.ck-button.ck-button_with-text .ck-button__label,a.ck.ck-button.ck-button_with-text .ck-button__label{display:inline-block}.ck.ck-button:not(.ck-button_with-text),a.ck.ck-button:not(.ck-button_with-text){justify-content:center}.ck.ck-button:hover .ck-tooltip,a.ck.ck-button:hover .ck-tooltip{visibility:visible;opacity:1}.ck.ck-button:focus:not(:hover) .ck-tooltip,a.ck.ck-button:focus:not(:hover) .ck-tooltip{display:none}.ck.ck-button,a.ck.ck-button{background:var(--ck-color-button-default-background)}.ck.ck-button:not(.ck-disabled):hover,a.ck.ck-button:not(.ck-disabled):hover{background:var(--ck-color-button-default-hover-background)}.ck.ck-button:not(.ck-disabled):active,a.ck.ck-button:not(.ck-disabled):active{background:var(--ck-color-button-default-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-default-active-shadow)}.ck.ck-button.ck-disabled,a.ck.ck-button.ck-disabled{background:var(--ck-color-button-default-disabled-background)}.ck.ck-button,a.ck.ck-button{border-radius:0}.ck-rounded-corners .ck.ck-button,.ck-rounded-corners a.ck.ck-button,.ck.ck-button.ck-rounded-corners,a.ck.ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-button,a.ck.ck-button{white-space:nowrap;cursor:default;vertical-align:middle;padding:var(--ck-spacing-tiny);text-align:center;min-width:var(--ck-ui-component-min-height);min-height:var(--ck-ui-component-min-height);line-height:1;font-size:inherit;border:1px solid transparent;transition:box-shadow .2s ease-in-out,border .2s ease-in-out;-webkit-appearance:none}.ck.ck-button:active,.ck.ck-button:focus,a.ck.ck-button:active,a.ck.ck-button:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-focus-outer-shadow),0 0}.ck.ck-button .ck-button__icon use,.ck.ck-button .ck-button__icon use *,a.ck.ck-button .ck-button__icon use,a.ck.ck-button .ck-button__icon use *{color:inherit}.ck.ck-button .ck-button__label,a.ck.ck-button .ck-button__label{font-size:inherit;font-weight:inherit;color:inherit;cursor:inherit;vertical-align:middle}[dir=ltr] .ck.ck-button .ck-button__label,[dir=ltr] a.ck.ck-button .ck-button__label{text-align:left}[dir=rtl] .ck.ck-button .ck-button__label,[dir=rtl] a.ck.ck-button .ck-button__label{text-align:right}.ck.ck-button .ck-button__keystroke,a.ck.ck-button .ck-button__keystroke{color:inherit}[dir=ltr] .ck.ck-button .ck-button__keystroke,[dir=ltr] a.ck.ck-button .ck-button__keystroke{margin-left:var(--ck-spacing-large)}[dir=rtl] .ck.ck-button .ck-button__keystroke,[dir=rtl] a.ck.ck-button .ck-button__keystroke{margin-right:var(--ck-spacing-large)}.ck.ck-button .ck-button__keystroke,a.ck.ck-button .ck-button__keystroke{font-weight:700;opacity:.7}.ck.ck-button.ck-disabled:active,.ck.ck-button.ck-disabled:focus,a.ck.ck-button.ck-disabled:active,a.ck.ck-button.ck-disabled:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),0 0}.ck.ck-button.ck-disabled .ck-button__icon,a.ck.ck-button.ck-disabled .ck-button__icon{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-disabled .ck-button__label,a.ck.ck-button.ck-disabled .ck-button__label{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-disabled .ck-button__keystroke,a.ck.ck-button.ck-disabled .ck-button__keystroke{opacity:.3}.ck.ck-button.ck-button_with-text,a.ck.ck-button.ck-button_with-text{padding:var(--ck-spacing-tiny) var(--ck-spacing-standard)}[dir=ltr] .ck.ck-button.ck-button_with-text .ck-button__icon,[dir=ltr] a.ck.ck-button.ck-button_with-text .ck-button__icon{margin-left:calc(var(--ck-spacing-small)*-1);margin-right:var(--ck-spacing-small)}[dir=rtl] .ck.ck-button.ck-button_with-text .ck-button__icon,[dir=rtl] a.ck.ck-button.ck-button_with-text .ck-button__icon{margin-right:calc(var(--ck-spacing-small)*-1);margin-left:var(--ck-spacing-small)}.ck.ck-button.ck-button_with-keystroke .ck-button__label,a.ck.ck-button.ck-button_with-keystroke .ck-button__label{flex-grow:1}.ck.ck-button.ck-on,a.ck.ck-button.ck-on{background:var(--ck-color-button-on-background)}.ck.ck-button.ck-on:not(.ck-disabled):hover,a.ck.ck-button.ck-on:not(.ck-disabled):hover{background:var(--ck-color-button-on-hover-background)}.ck.ck-button.ck-on:not(.ck-disabled):active,a.ck.ck-button.ck-on:not(.ck-disabled):active{background:var(--ck-color-button-on-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-on-active-shadow)}.ck.ck-button.ck-on.ck-disabled,a.ck.ck-button.ck-on.ck-disabled{background:var(--ck-color-button-on-disabled-background)}.ck.ck-button.ck-button-save,a.ck.ck-button.ck-button-save{color:var(--ck-color-button-save)}.ck.ck-button.ck-button-cancel,a.ck.ck-button.ck-button-cancel{color:var(--ck-color-button-cancel)}.ck.ck-button-action,a.ck.ck-button-action{background:var(--ck-color-button-action-background)}.ck.ck-button-action:not(.ck-disabled):hover,a.ck.ck-button-action:not(.ck-disabled):hover{background:var(--ck-color-button-action-hover-background)}.ck.ck-button-action:not(.ck-disabled):active,a.ck.ck-button-action:not(.ck-disabled):active{background:var(--ck-color-button-action-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-action-active-shadow)}.ck.ck-button-action.ck-disabled,a.ck.ck-button-action.ck-disabled{background:var(--ck-color-button-action-disabled-background)}.ck.ck-button-action,a.ck.ck-button-action{color:var(--ck-color-button-action-text)}.ck.ck-button-bold,a.ck.ck-button-bold{font-weight:700}\", 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* Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../mixins/_unselectable.css\\\";\\n@import \\\"../tooltip/mixins/_tooltip.css\\\";\\n\\n.ck.ck-button,\\na.ck.ck-button {\\n\\t@mixin ck-unselectable;\\n\\t@mixin ck-tooltip_enabled;\\n\\n\\tposition: relative;\\n\\tdisplay: inline-flex;\\n\\talign-items: center;\\n\\tjustify-content: left;\\n\\n\\t& .ck-button__label {\\n\\t\\tdisplay: none;\\n\\t}\\n\\n\\t&.ck-button_with-text {\\n\\t\\t& .ck-button__label {\\n\\t\\t\\tdisplay: inline-block;\\n\\t\\t}\\n\\t}\\n\\n\\t/* Center the icon horizontally in a button without text. */\\n\\t&:not(.ck-button_with-text)  {\\n\\t\\tjustify-content: center;\\n\\t}\\n\\n\\t&:hover {\\n\\t\\t@mixin ck-tooltip_visible;\\n\\t}\\n\\n\\t/* Get rid of the native focus outline around the tooltip when focused (but not :hover). */\\n\\t&:focus:not(:hover) {\\n\\t\\t@mixin ck-tooltip_disabled;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Makes element unselectable.\\n */\\n@define-mixin ck-unselectable {\\n\\t-moz-user-select: none;\\n\\t-webkit-user-select: none;\\n\\t-ms-user-select: none;\\n\\tuser-select: none\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Enables the tooltip, which is the tooltip is in DOM but\\n * not yet displayed.\\n */\\n@define-mixin ck-tooltip_enabled {\\n\\t& .ck-tooltip {\\n\\t\\tdisplay: block;\\n\\n\\t\\t/*\\n\\t\\t * Don't display tooltips in devices which don't support :hover.\\n\\t\\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\\n\\t\\t * the primary action, when tooltips are enabled.\\n\\t\\t *\\n\\t\\t * Q: OK, but why not the following query?\\n\\t\\t *\\n\\t\\t *   @media (hover) {\\n\\t\\t *       display: block;\\n\\t\\t *   }\\n\\t\\t *\\n\\t\\t * A: Because FF does not support it and it would completely disable tooltips\\n\\t\\t * in that browser.\\n\\t\\t *\\n\\t\\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\\n\\t\\t */\\n\\t\\t@media (hover:none) {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n}\\n\\n/**\\n * Disables the tooltip making it disappear from DOM.\\n */\\n@define-mixin ck-tooltip_disabled {\\n\\t& .ck-tooltip {\\n\\t\\tdisplay: none;\\n\\t}\\n}\\n\\n/**\\n * Shows the tooltip, which is already in DOM.\\n * Requires `ck-tooltip_enabled` first.\\n */\\n@define-mixin ck-tooltip_visible {\\n\\t& .ck-tooltip {\\n\\t\\tvisibility: visible;\\n\\t\\topacity: 1;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_focus.css\\\";\\n@import \\\"../../../mixins/_shadow.css\\\";\\n@import \\\"../../../mixins/_disabled.css\\\";\\n@import \\\"../../../mixins/_rounded.css\\\";\\n@import \\\"../../mixins/_button.css\\\";\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n\\n.ck.ck-button,\\na.ck.ck-button {\\n\\t@mixin ck-button-colors --ck-color-button-default;\\n\\t@mixin ck-rounded-corners;\\n\\n\\twhite-space: nowrap;\\n\\tcursor: default;\\n\\tvertical-align: middle;\\n\\tpadding: var(--ck-spacing-tiny);\\n\\ttext-align: center;\\n\\n\\t/* A very important piece of styling. Go to variable declaration to learn more. */\\n\\tmin-width: var(--ck-ui-component-min-height);\\n\\tmin-height: var(--ck-ui-component-min-height);\\n\\n\\t/* Normalize the height of the line. Removing this will break consistent height\\n\\tamong text and text-less buttons (with icons). */\\n\\tline-height: 1;\\n\\n\\t/* Enable font size inheritance, which allows fluid UI scaling. */\\n\\tfont-size: inherit;\\n\\n\\t/* Avoid flickering when the foucs border shows up. */\\n\\tborder: 1px solid transparent;\\n\\n\\t/* Apply some smooth transition to the box-shadow and border. */\\n\\ttransition: box-shadow .2s ease-in-out, border .2s ease-in-out;\\n\\n\\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/189 */\\n\\t-webkit-appearance: none;\\n\\n\\t&:active,\\n\\t&:focus {\\n\\t\\t@mixin ck-focus-ring;\\n\\t\\t@mixin ck-box-shadow var(--ck-focus-outer-shadow);\\n\\t}\\n\\n\\t/* Allow icon coloring using the text \\\"color\\\" property. */\\n\\t& .ck-button__icon {\\n\\t\\t& use,\\n\\t\\t& use * {\\n\\t\\t\\tcolor: inherit;\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck-button__label {\\n\\t\\t/* Enable font size inheritance, which allows fluid UI scaling. */\\n\\t\\tfont-size: inherit;\\n\\t\\tfont-weight: inherit;\\n\\t\\tcolor: inherit;\\n\\t\\tcursor: inherit;\\n\\n\\t\\t/* Must be consistent with .ck-icon's vertical align. Otherwise, buttons with and\\n\\t\\twithout labels (but with icons) have different sizes in Chrome */\\n\\t\\tvertical-align: middle;\\n\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\ttext-align: left;\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\ttext-align: right;\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck-button__keystroke {\\n\\t\\tcolor: inherit;\\n\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\tmargin-left: var(--ck-spacing-large);\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\tmargin-right: var(--ck-spacing-large);\\n\\t\\t}\\n\\n\\t\\tfont-weight: bold;\\n\\t\\topacity: .7;\\n\\t}\\n\\n\\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/70 */\\n\\t&.ck-disabled {\\n\\t\\t&:active,\\n\\t\\t&:focus {\\n\\t\\t\\t/* The disabled button should have a slightly less visible shadow when focused. */\\n\\t\\t\\t@mixin ck-box-shadow var(--ck-focus-disabled-outer-shadow);\\n\\t\\t}\\n\\n\\t\\t& .ck-button__icon {\\n\\t\\t\\t@mixin ck-disabled;\\n\\t\\t}\\n\\n\\t\\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/98 */\\n\\t\\t& .ck-button__label {\\n\\t\\t\\t@mixin ck-disabled;\\n\\t\\t}\\n\\n\\t\\t& .ck-button__keystroke {\\n\\t\\t\\topacity: .3;\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-button_with-text {\\n\\t\\tpadding: var(--ck-spacing-tiny) var(--ck-spacing-standard);\\n\\n\\t\\t/* stylelint-disable-next-line no-descending-specificity */\\n\\t\\t& .ck-button__icon {\\n\\t\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t\\tmargin-left: calc(-1 * var(--ck-spacing-small));\\n\\t\\t\\t\\tmargin-right: var(--ck-spacing-small);\\n\\t\\t\\t}\\n\\n\\t\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t\\tmargin-right: calc(-1 * var(--ck-spacing-small));\\n\\t\\t\\t\\tmargin-left: var(--ck-spacing-small);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-button_with-keystroke {\\n\\t\\t/* stylelint-disable-next-line no-descending-specificity */\\n\\t\\t& .ck-button__label {\\n\\t\\t\\tflex-grow: 1;\\n\\t\\t}\\n\\t}\\n\\n\\t/* A style of the button which is currently on, e.g. its feature is active. */\\n\\t&.ck-on {\\n\\t\\t@mixin ck-button-colors --ck-color-button-on;\\n\\t}\\n\\n\\t&.ck-button-save {\\n\\t\\tcolor: var(--ck-color-button-save);\\n\\t}\\n\\n\\t&.ck-button-cancel {\\n\\t\\tcolor: var(--ck-color-button-cancel);\\n\\t}\\n}\\n\\n/* A style of the button which handles the primary action. */\\n.ck.ck-button-action,\\na.ck.ck-button-action {\\n\\t@mixin ck-button-colors --ck-color-button-action;\\n\\n\\tcolor: var(--ck-color-button-action-text);\\n}\\n\\n.ck.ck-button-bold,\\na.ck.ck-button-bold {\\n\\tfont-weight: bold;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements a button of given background color.\\n *\\n * @param {String} $background - Background color of the button.\\n * @param {String} $border - Border color of the button.\\n */\\n@define-mixin ck-button-colors $prefix {\\n\\tbackground: var($(prefix)-background);\\n\\n\\t&:not(.ck-disabled) {\\n\\t\\t&:hover {\\n\\t\\t\\tbackground: var($(prefix)-hover-background);\\n\\t\\t}\\n\\n\\t\\t&:active {\\n\\t\\t\\tbackground: var($(prefix)-active-background);\\n\\t\\t\\tbox-shadow: inset 0 2px 2px var($(prefix)-active-shadow);\\n\\t\\t}\\n\\t}\\n\\n\\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/98 */\\n\\t&.ck-disabled {\\n\\t\\tbackground: var($(prefix)-disabled-background);\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A visual style of focused element's border.\\n */\\n@define-mixin ck-focus-ring {\\n\\t/* Disable native outline. */\\n\\toutline: none;\\n\\tborder: var(--ck-focus-ring)\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A helper to combine multiple shadows.\\n */\\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\\n\\tbox-shadow: $shadowA, $shadowB;\\n}\\n\\n/**\\n * Gives an element a drop shadow so it looks like a floating panel.\\n */\\n@define-mixin ck-drop-shadow {\\n\\t@mixin ck-box-shadow var(--ck-drop-shadow);\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A class which indicates that an element holding it is disabled.\\n */\\n@define-mixin ck-disabled {\\n\\topacity: var(--ck-disabled-opacity);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-button.ck-switchbutton .ck-button__toggle,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{display:block}:root{--ck-switch-button-toggle-width:2.6153846154em;--ck-switch-button-toggle-inner-size:1.0769230769em;--ck-switch-button-toggle-spacing:1px;--ck-switch-button-translation:calc(var(--ck-switch-button-toggle-width) - var(--ck-switch-button-toggle-inner-size) - var(--ck-switch-button-toggle-spacing)*2)}[dir=ltr] .ck.ck-button.ck-switchbutton .ck-button__label{margin-right:calc(var(--ck-spacing-large)*2)}[dir=rtl] .ck.ck-button.ck-switchbutton .ck-button__label{margin-left:calc(var(--ck-spacing-large)*2)}.ck.ck-button.ck-switchbutton .ck-button__toggle{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle,.ck.ck-button.ck-switchbutton .ck-button__toggle.ck-rounded-corners{border-radius:var(--ck-border-radius)}[dir=ltr] .ck.ck-button.ck-switchbutton .ck-button__toggle{margin-left:auto}[dir=rtl] .ck.ck-button.ck-switchbutton .ck-button__toggle{margin-right:auto}.ck.ck-button.ck-switchbutton .ck-button__toggle{transition:background .4s ease;width:var(--ck-switch-button-toggle-width);background:var(--ck-color-switch-button-off-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner.ck-rounded-corners{border-radius:var(--ck-border-radius);border-radius:calc(var(--ck-border-radius)*0.5)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{margin:var(--ck-switch-button-toggle-spacing);width:var(--ck-switch-button-toggle-inner-size);height:var(--ck-switch-button-toggle-inner-size);background:var(--ck-color-switch-button-inner-background);transition:all .3s ease}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover{background:var(--ck-color-switch-button-off-hover-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover .ck-button__toggle__inner{box-shadow:0 0 0 5px var(--ck-color-switch-button-inner-shadow)}.ck.ck-button.ck-switchbutton.ck-disabled .ck-button__toggle{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle{background:var(--ck-color-switch-button-on-background)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle:hover{background:var(--ck-color-switch-button-on-hover-background)}[dir=ltr] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(var(--ck-switch-button-translation))}[dir=rtl] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(calc(var(--ck-switch-button-translation)*-1))}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/button/switchbutton.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/button/switchbutton.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_disabled.css\"],\"names\":[],\"mappings\":\"AASE,4HACC,aACD,CCCF,MAEC,8CAA+C,CAE/C,mDAAoD,CACpD,qCAAsC,CACtC,gKAKD,CAGC,0DAGE,4CAOF,CAVA,0DAQE,2CAEF,CAEA,iDC3BA,eDoEA,CAzCA,yICvBC,qCDgED,CAzCA,2DAKE,gBAoCF,CAzCA,2DAUE,iBA+BF,CAzCA,iDAcC,8BAAiC,CAEjC,0CAA2C,CAC3C,uDAwBD,CAtBC,2EC9CD,eD2DC,CAbA,6LC1CA,qCAAsC,CD4CpC,+CAWF,CAbA,2EAMC,6CAA8C,CAC9C,+CAAgD,CAChD,gDAAiD,CACjD,yDAA0D,CAG1D,uBACD,CAEA,uDACC,6DAKD,CAHC,iFACC,+DACD,CAIF,6DExEA,kCF0EA,CAEA,uDACC,sDAkBD,CAhBC,6DACC,4DACD,CAEA,2FAKE,yDAMF,CAXA,2FASE,kEAEF\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-button.ck-switchbutton {\\n\\t& .ck-button__toggle {\\n\\t\\tdisplay: block;\\n\\n\\t\\t& .ck-button__toggle__inner {\\n\\t\\t\\tdisplay: block;\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n@import \\\"../../../mixins/_disabled.css\\\";\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n\\n/* Note: To avoid rendering issues (aliasing) but to preserve the responsive nature\\nof the component, floating–point numbers have been used which, for the default font size\\n(see: --ck-font-size-base), will generate simple integers. */\\n:root {\\n\\t/* 34px at 13px font-size */\\n\\t--ck-switch-button-toggle-width: 2.6153846154em;\\n\\t/* 14px at 13px font-size */\\n\\t--ck-switch-button-toggle-inner-size: 1.0769230769em;\\n\\t--ck-switch-button-toggle-spacing: 1px;\\n\\t--ck-switch-button-translation: calc(\\n\\t\\tvar(--ck-switch-button-toggle-width) -\\n\\t\\tvar(--ck-switch-button-toggle-inner-size) -\\n\\t\\t2 * var(--ck-switch-button-toggle-spacing)\\n\\t);\\n}\\n\\n.ck.ck-button.ck-switchbutton {\\n\\t& .ck-button__label {\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t/* Separate the label from the switch */\\n\\t\\t\\tmargin-right: calc(2 * var(--ck-spacing-large));\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t/* Separate the label from the switch */\\n\\t\\t\\tmargin-left: calc(2 * var(--ck-spacing-large));\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck-button__toggle {\\n\\t\\t@mixin ck-rounded-corners;\\n\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t/* Make sure the toggle is always to the right as far as possible. */\\n\\t\\t\\tmargin-left: auto;\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t/* Make sure the toggle is always to the left as far as possible. */\\n\\t\\t\\tmargin-right: auto;\\n\\t\\t}\\n\\n\\t\\t/* Gently animate the background color of the toggle switch */\\n\\t\\ttransition: background 400ms ease;\\n\\n\\t\\twidth: var(--ck-switch-button-toggle-width);\\n\\t\\tbackground: var(--ck-color-switch-button-off-background);\\n\\n\\t\\t& .ck-button__toggle__inner {\\n\\t\\t\\t@mixin ck-rounded-corners {\\n\\t\\t\\t\\tborder-radius: calc(.5 * var(--ck-border-radius));\\n\\t\\t\\t}\\n\\n\\t\\t\\t/* Leave some tiny bit of space around the inner part of the switch */\\n\\t\\t\\tmargin: var(--ck-switch-button-toggle-spacing);\\n\\t\\t\\twidth: var(--ck-switch-button-toggle-inner-size);\\n\\t\\t\\theight: var(--ck-switch-button-toggle-inner-size);\\n\\t\\t\\tbackground: var(--ck-color-switch-button-inner-background);\\n\\n\\t\\t\\t/* Gently animate the inner part of the toggle switch */\\n\\t\\t\\ttransition: all 300ms ease;\\n\\t\\t}\\n\\n\\t\\t&:hover {\\n\\t\\t\\tbackground: var(--ck-color-switch-button-off-hover-background);\\n\\n\\t\\t\\t& .ck-button__toggle__inner {\\n\\t\\t\\t\\tbox-shadow: 0 0 0 5px var(--ck-color-switch-button-inner-shadow);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-disabled .ck-button__toggle {\\n\\t\\t@mixin ck-disabled;\\n\\t}\\n\\n\\t&.ck-on .ck-button__toggle {\\n\\t\\tbackground: var(--ck-color-switch-button-on-background);\\n\\n\\t\\t&:hover {\\n\\t\\t\\tbackground: var(--ck-color-switch-button-on-hover-background);\\n\\t\\t}\\n\\n\\t\\t& .ck-button__toggle__inner {\\n\\t\\t\\t/*\\n\\t\\t\\t * Move the toggle switch to the right. It will be animated.\\n\\t\\t\\t */\\n\\t\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t\\ttransform: translateX( var( --ck-switch-button-translation ) );\\n\\t\\t\\t}\\n\\n\\t\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t\\ttransform: translateX( calc( -1 * var( --ck-switch-button-translation ) ) );\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A class which indicates that an element holding it is disabled.\\n */\\n@define-mixin ck-disabled {\\n\\topacity: var(--ck-disabled-opacity);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-color-grid{display:grid}:root{--ck-color-grid-tile-size:24px;--ck-color-color-grid-check-icon:#000}.ck.ck-color-grid{grid-gap:5px;padding:8px}.ck.ck-color-grid__tile{width:var(--ck-color-grid-tile-size);height:var(--ck-color-grid-tile-size);min-width:var(--ck-color-grid-tile-size);min-height:var(--ck-color-grid-tile-size);padding:0;transition:box-shadow .2s ease;border:0}.ck.ck-color-grid__tile.ck-disabled{cursor:unset;transition:unset}.ck.ck-color-grid__tile.ck-color-table__color-tile_bordered{box-shadow:0 0 0 1px var(--ck-color-base-border)}.ck.ck-color-grid__tile .ck.ck-icon{display:none;color:var(--ck-color-color-grid-check-icon)}.ck.ck-color-grid__tile.ck-on{box-shadow:inset 0 0 0 1px var(--ck-color-base-background),0 0 0 2px var(--ck-color-base-text)}.ck.ck-color-grid__tile.ck-on .ck.ck-icon{display:block}.ck.ck-color-grid__tile.ck-on,.ck.ck-color-grid__tile:focus:not(.ck-disabled),.ck.ck-color-grid__tile:hover:not(.ck-disabled){border:0}.ck.ck-color-grid__tile:focus:not(.ck-disabled),.ck.ck-color-grid__tile:hover:not(.ck-disabled){box-shadow:inset 0 0 0 1px var(--ck-color-base-background),0 0 0 2px var(--ck-color-focus-border)}.ck.ck-color-grid__label{padding:0 var(--ck-spacing-standard)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/colorgrid/colorgrid.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/colorgrid/colorgrid.css\"],\"names\":[],\"mappings\":\"AAKA,kBACC,YACD,CCAA,MACC,8BAA+B,CAK/B,qCACD,CAEA,kBACC,YAAa,CACb,WACD,CAEA,wBACC,oCAAqC,CACrC,qCAAsC,CACtC,wCAAyC,CACzC,yCAA0C,CAC1C,SAAU,CACV,8BAA+B,CAC/B,QAmCD,CAjCC,oCACC,YAAa,CACb,gBACD,CAEA,4DACC,gDACD,CAEA,oCACC,YAAa,CACb,2CACD,CAEA,8BACC,8FAKD,CAHC,0CACC,aACD,CAGD,8HAIC,QACD,CAEA,gGAEC,iGACD,CAGD,yBACC,oCACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-color-grid {\\n\\tdisplay: grid;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n\\n:root {\\n\\t--ck-color-grid-tile-size: 24px;\\n\\n\\t/* Not using global colors here because these may change but some colors in a pallette\\n\\t * require special treatment. For instance, this ensures no matter what the UI text color is,\\n\\t * the check icon will look good on the black color tile. */\\n\\t--ck-color-color-grid-check-icon: hsl(0, 0%, 0%);\\n}\\n\\n.ck.ck-color-grid {\\n\\tgrid-gap: 5px;\\n\\tpadding: 8px;\\n}\\n\\n.ck.ck-color-grid__tile {\\n\\twidth: var(--ck-color-grid-tile-size);\\n\\theight: var(--ck-color-grid-tile-size);\\n\\tmin-width: var(--ck-color-grid-tile-size);\\n\\tmin-height: var(--ck-color-grid-tile-size);\\n\\tpadding: 0;\\n\\ttransition: .2s ease box-shadow;\\n\\tborder: 0;\\n\\n\\t&.ck-disabled {\\n\\t\\tcursor: unset;\\n\\t\\ttransition: unset;\\n\\t}\\n\\n\\t&.ck-color-table__color-tile_bordered {\\n\\t\\tbox-shadow: 0 0 0 1px var(--ck-color-base-border);\\n\\t}\\n\\n\\t& .ck.ck-icon {\\n\\t\\tdisplay: none;\\n\\t\\tcolor: var(--ck-color-color-grid-check-icon);\\n\\t}\\n\\n\\t&.ck-on {\\n\\t\\tbox-shadow: inset 0 0 0 1px var(--ck-color-base-background), 0 0 0 2px var(--ck-color-base-text);\\n\\n\\t\\t& .ck.ck-icon {\\n\\t\\t\\tdisplay: block;\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-on,\\n\\t&:focus:not( .ck-disabled ),\\n\\t&:hover:not( .ck-disabled ) {\\n\\t\\t/* Disable the default .ck-button's border ring. */\\n\\t\\tborder: 0;\\n\\t}\\n\\n\\t&:focus:not( .ck-disabled ),\\n\\t&:hover:not( .ck-disabled ) {\\n\\t\\tbox-shadow: inset 0 0 0 1px var(--ck-color-base-background), 0 0 0 2px var(--ck-color-focus-border);\\n\\t}\\n}\\n\\n.ck.ck-color-grid__label {\\n\\tpadding: 0 var(--ck-spacing-standard);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-dropdown-max-width:75vw}.ck.ck-dropdown{display:inline-block;position:relative}.ck.ck-dropdown .ck-dropdown__arrow{pointer-events:none;z-index:var(--ck-z-default)}.ck.ck-dropdown .ck-button.ck-dropdown__button{width:100%}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on .ck-tooltip{display:none}.ck.ck-dropdown .ck-dropdown__panel{-webkit-backface-visibility:hidden;display:none;z-index:var(--ck-z-modal);max-width:var(--ck-dropdown-max-width);position:absolute}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel-visible{display:inline-block}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_n,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nme,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nmw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nw{bottom:100%}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_s,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_se,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sme,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_smw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sw{top:100%;bottom:auto}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_se{left:0}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sw{right:0}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_n,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_s{left:50%;transform:translateX(-50%)}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nmw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_smw{left:75%;transform:translateX(-75%)}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nme,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sme{left:25%;transform:translateX(-25%)}.ck.ck-toolbar .ck-dropdown__panel{z-index:calc(var(--ck-z-modal) + 1)}:root{--ck-dropdown-arrow-size:calc(var(--ck-icon-size)*0.5)}.ck.ck-dropdown{font-size:inherit}.ck.ck-dropdown .ck-dropdown__arrow{width:var(--ck-dropdown-arrow-size)}[dir=ltr] .ck.ck-dropdown .ck-dropdown__arrow{right:var(--ck-spacing-standard);margin-left:var(--ck-spacing-standard)}[dir=rtl] .ck.ck-dropdown .ck-dropdown__arrow{left:var(--ck-spacing-standard);margin-right:var(--ck-spacing-small)}.ck.ck-dropdown.ck-disabled .ck-dropdown__arrow{opacity:var(--ck-disabled-opacity)}[dir=ltr] .ck.ck-dropdown .ck-button.ck-dropdown__button:not(.ck-button_with-text){padding-left:var(--ck-spacing-small)}[dir=rtl] .ck.ck-dropdown .ck-button.ck-dropdown__button:not(.ck-button_with-text){padding-right:var(--ck-spacing-small)}.ck.ck-dropdown .ck-button.ck-dropdown__button .ck-button__label{width:7em;overflow:hidden;text-overflow:ellipsis}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-disabled .ck-button__label{opacity:var(--ck-disabled-opacity)}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on{border-bottom-left-radius:0;border-bottom-right-radius:0}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-dropdown__button_label-width_auto .ck-button__label{width:auto}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-off:active,.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on:active{box-shadow:none}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-off:active:focus,.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on:active:focus{box-shadow:var(--ck-focus-outer-shadow),0 0}.ck.ck-dropdown__panel{border-radius:0}.ck-rounded-corners .ck.ck-dropdown__panel,.ck.ck-dropdown__panel.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-dropdown__panel{box-shadow:var(--ck-drop-shadow),0 0;background:var(--ck-color-dropdown-panel-background);border:1px solid var(--ck-color-dropdown-panel-border);bottom:0;min-width:100%}.ck.ck-dropdown__panel.ck-dropdown__panel_se{border-top-left-radius:0}.ck.ck-dropdown__panel.ck-dropdown__panel_sw{border-top-right-radius:0}.ck.ck-dropdown__panel.ck-dropdown__panel_ne{border-bottom-left-radius:0}.ck.ck-dropdown__panel.ck-dropdown__panel_nw{border-bottom-right-radius:0}\", 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* Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../tooltip/mixins/_tooltip.css\\\";\\n\\n:root {\\n\\t--ck-dropdown-max-width: 75vw;\\n}\\n\\n.ck.ck-dropdown {\\n\\tdisplay: inline-block;\\n\\tposition: relative;\\n\\n\\t& .ck-dropdown__arrow {\\n\\t\\tpointer-events: none;\\n\\t\\tz-index: var(--ck-z-default);\\n\\t}\\n\\n\\t/* Dropdown button should span horizontally, e.g. in vertical toolbars */\\n\\t& .ck-button.ck-dropdown__button {\\n\\t\\twidth: 100%;\\n\\n\\t\\t/* Disable main button's tooltip when the dropdown is open. Otherwise the panel may\\n\\t\\tpartially cover the tooltip */\\n\\t\\t&.ck-on {\\n\\t\\t\\t@mixin ck-tooltip_disabled;\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck-dropdown__panel {\\n\\t\\t/* This is to get rid of flickering when the tooltip is shown under the panel,\\n\\t\\twhich looks like the panel moves vertically a pixel down and up. */\\n\\t\\t-webkit-backface-visibility: hidden;\\n\\n\\t\\tdisplay: none;\\n\\t\\tz-index: var(--ck-z-modal);\\n\\t\\tmax-width: var(--ck-dropdown-max-width);\\n\\n\\t\\tposition: absolute;\\n\\n\\t\\t&.ck-dropdown__panel-visible {\\n\\t\\t\\tdisplay: inline-block;\\n\\t\\t}\\n\\n\\t\\t&.ck-dropdown__panel_ne,\\n\\t\\t&.ck-dropdown__panel_nw,\\n\\t\\t&.ck-dropdown__panel_n,\\n\\t\\t&.ck-dropdown__panel_nmw,\\n\\t\\t&.ck-dropdown__panel_nme {\\n\\t\\t\\tbottom: 100%;\\n\\t\\t}\\n\\n\\t\\t&.ck-dropdown__panel_se,\\n\\t\\t&.ck-dropdown__panel_sw,\\n\\t\\t&.ck-dropdown__panel_smw,\\n\\t\\t&.ck-dropdown__panel_sme,\\n\\t\\t&.ck-dropdown__panel_s {\\n\\t\\t\\t/*\\n\\t\\t\\t * Using transform: translate3d( 0, 100%, 0 ) causes blurry dropdown on Chrome 67-78+ on non-retina displays.\\n\\t\\t\\t * See https://github.com/ckeditor/ckeditor5/issues/1053.\\n\\t\\t\\t */\\n\\t\\t\\ttop: 100%;\\n\\t\\t\\tbottom: auto;\\n\\t\\t}\\n\\n\\t\\t&.ck-dropdown__panel_ne,\\n\\t\\t&.ck-dropdown__panel_se {\\n\\t\\t\\tleft: 0px;\\n\\t\\t}\\n\\n\\t\\t&.ck-dropdown__panel_nw,\\n\\t\\t&.ck-dropdown__panel_sw {\\n\\t\\t\\tright: 0px;\\n\\t\\t}\\n\\n\\t\\t&.ck-dropdown__panel_s,\\n\\t\\t&.ck-dropdown__panel_n {\\n\\t\\t\\t/* Positioning panels relative to the center of the button */\\n\\t\\t\\tleft: 50%;\\n\\t\\t\\ttransform: translateX(-50%);\\n\\t\\t}\\n\\n\\t\\t&.ck-dropdown__panel_nmw,\\n\\t\\t&.ck-dropdown__panel_smw {\\n\\t\\t\\t/* Positioning panels relative to the middle-west of the button */\\n\\t\\t\\tleft: 75%;\\n\\t\\t\\ttransform: translateX(-75%);\\n\\t\\t}\\n\\n\\t\\t&.ck-dropdown__panel_nme,\\n\\t\\t&.ck-dropdown__panel_sme {\\n\\t\\t\\t/* Positioning panels relative to the middle-east of the button */\\n\\t\\t\\tleft: 25%;\\n\\t\\t\\ttransform: translateX(-25%);\\n\\t\\t}\\n\\t}\\n}\\n\\n/*\\n * Toolbar dropdown panels should be always above the UI (eg. other dropdown panels) from the editor's content.\\n * See https://github.com/ckeditor/ckeditor5/issues/7874\\n */\\n.ck.ck-toolbar .ck-dropdown__panel {\\n\\tz-index: calc( var(--ck-z-modal) + 1 );\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Enables the tooltip, which is the tooltip is in DOM but\\n * not yet displayed.\\n */\\n@define-mixin ck-tooltip_enabled {\\n\\t& .ck-tooltip {\\n\\t\\tdisplay: block;\\n\\n\\t\\t/*\\n\\t\\t * Don't display tooltips in devices which don't support :hover.\\n\\t\\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\\n\\t\\t * the primary action, when tooltips are enabled.\\n\\t\\t *\\n\\t\\t * Q: OK, but why not the following query?\\n\\t\\t *\\n\\t\\t *   @media (hover) {\\n\\t\\t *       display: block;\\n\\t\\t *   }\\n\\t\\t *\\n\\t\\t * A: Because FF does not support it and it would completely disable tooltips\\n\\t\\t * in that browser.\\n\\t\\t *\\n\\t\\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\\n\\t\\t */\\n\\t\\t@media (hover:none) {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n}\\n\\n/**\\n * Disables the tooltip making it disappear from DOM.\\n */\\n@define-mixin ck-tooltip_disabled {\\n\\t& .ck-tooltip {\\n\\t\\tdisplay: none;\\n\\t}\\n}\\n\\n/**\\n * Shows the tooltip, which is already in DOM.\\n * Requires `ck-tooltip_enabled` first.\\n */\\n@define-mixin ck-tooltip_visible {\\n\\t& .ck-tooltip {\\n\\t\\tvisibility: visible;\\n\\t\\topacity: 1;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n@import \\\"../../../mixins/_disabled.css\\\";\\n@import \\\"../../../mixins/_shadow.css\\\";\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n\\n:root {\\n\\t--ck-dropdown-arrow-size: calc(0.5 * var(--ck-icon-size));\\n}\\n\\n.ck.ck-dropdown {\\n\\t/* Enable font size inheritance, which allows fluid UI scaling. */\\n\\tfont-size: inherit;\\n\\n\\t& .ck-dropdown__arrow {\\n\\t\\twidth: var(--ck-dropdown-arrow-size);\\n\\t}\\n\\n\\t@mixin ck-dir ltr {\\n\\t\\t& .ck-dropdown__arrow {\\n\\t\\t\\tright: var(--ck-spacing-standard);\\n\\n\\t\\t\\t/* A space to accommodate the triangle. */\\n\\t\\t\\tmargin-left: var(--ck-spacing-standard);\\n\\t\\t}\\n\\t}\\n\\n\\t@mixin ck-dir rtl {\\n\\t\\t& .ck-dropdown__arrow {\\n\\t\\t\\tleft: var(--ck-spacing-standard);\\n\\n\\t\\t\\t/* A space to accommodate the triangle. */\\n\\t\\t\\tmargin-right: var(--ck-spacing-small);\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-disabled .ck-dropdown__arrow {\\n\\t\\t@mixin ck-disabled;\\n\\t}\\n\\n\\t& .ck-button.ck-dropdown__button {\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t&:not(.ck-button_with-text) {\\n\\t\\t\\t\\t/* Make sure dropdowns with just an icon have the right inner spacing */\\n\\t\\t\\t\\tpadding-left: var(--ck-spacing-small);\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t&:not(.ck-button_with-text) {\\n\\t\\t\\t\\t/* Make sure dropdowns with just an icon have the right inner spacing */\\n\\t\\t\\t\\tpadding-right: var(--ck-spacing-small);\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t/* #23 */\\n\\t\\t& .ck-button__label {\\n\\t\\t\\twidth: 7em;\\n\\t\\t\\toverflow: hidden;\\n\\t\\t\\ttext-overflow: ellipsis;\\n\\t\\t}\\n\\n\\t\\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/70 */\\n\\t\\t&.ck-disabled .ck-button__label {\\n\\t\\t\\t@mixin ck-disabled;\\n\\t\\t}\\n\\n\\t\\t/* https://github.com/ckeditor/ckeditor5/issues/816 */\\n\\t\\t&.ck-on {\\n\\t\\t\\tborder-bottom-left-radius: 0;\\n\\t\\t\\tborder-bottom-right-radius: 0;\\n\\t\\t}\\n\\n\\t\\t&.ck-dropdown__button_label-width_auto .ck-button__label {\\n\\t\\t\\twidth: auto;\\n\\t\\t}\\n\\n\\t\\t/* https://github.com/ckeditor/ckeditor5/issues/8699 */\\n\\t\\t&.ck-off:active,\\n\\t\\t&.ck-on:active {\\n\\t\\t\\tbox-shadow: none;\\n\\t\\t\\t\\n\\t\\t\\t&:focus {\\n\\t\\t\\t\\t@mixin ck-box-shadow var(--ck-focus-outer-shadow);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\\n.ck.ck-dropdown__panel {\\n\\t@mixin ck-rounded-corners;\\n\\t@mixin ck-drop-shadow;\\n\\n\\tbackground: var(--ck-color-dropdown-panel-background);\\n\\tborder: 1px solid var(--ck-color-dropdown-panel-border);\\n\\tbottom: 0;\\n\\n\\t/* Make sure the panel is at least as wide as the drop-down's button. */\\n\\tmin-width: 100%;\\n\\n\\t/* Disabled corner border radius to be consistent with the .dropdown__button\\n\\thttps://github.com/ckeditor/ckeditor5/issues/816 */\\n\\t&.ck-dropdown__panel_se {\\n\\t\\tborder-top-left-radius: 0;\\n\\t}\\n\\n\\t&.ck-dropdown__panel_sw {\\n\\t\\tborder-top-right-radius: 0;\\n\\t}\\n\\n\\t&.ck-dropdown__panel_ne {\\n\\t\\tborder-bottom-left-radius: 0;\\n\\t}\\n\\n\\t&.ck-dropdown__panel_nw {\\n\\t\\tborder-bottom-right-radius: 0;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A class which indicates that an element holding it is disabled.\\n */\\n@define-mixin ck-disabled {\\n\\topacity: var(--ck-disabled-opacity);\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A helper to combine multiple shadows.\\n */\\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\\n\\tbox-shadow: $shadowA, $shadowB;\\n}\\n\\n/**\\n * Gives an element a drop shadow so it looks like a floating panel.\\n */\\n@define-mixin ck-drop-shadow {\\n\\t@mixin ck-box-shadow var(--ck-drop-shadow);\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-dropdown .ck-dropdown__panel .ck-list{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list,.ck.ck-dropdown .ck-dropdown__panel .ck-list.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0}.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button,.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:first-child .ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0}.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button{border-radius:0}.ck-rounded-corners .ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button,.ck.ck-dropdown .ck-dropdown__panel .ck-list .ck-list__item:last-child .ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0;border-top-right-radius:0}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/dropdown/listdropdown.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css\"],\"names\":[],\"mappings\":\"AAOA,6CCIC,eDqBD,CAzBA,iICQE,qCAAsC,CDJtC,wBAqBF,CAfE,mFCND,eDYC,CANA,6MCFA,qCAAsC,CDIpC,wBAAyB,CACzB,2BAA4B,CAC5B,4BAEF,CAEA,kFCdD,eDmBC,CALA,2MCVA,qCAAsC,CDYpC,wBAAyB,CACzB,yBAEF\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n\\n.ck.ck-dropdown .ck-dropdown__panel .ck-list {\\n\\t/* Disabled radius of top-left border to be consistent with .dropdown__button\\n\\thttps://github.com/ckeditor/ckeditor5/issues/816 */\\n\\t@mixin ck-rounded-corners {\\n\\t\\tborder-top-left-radius: 0;\\n\\t}\\n\\n\\t/* Make sure the button belonging to the first/last child of the list goes well with the\\n\\tborder radius of the entire panel. */\\n\\t& .ck-list__item {\\n\\t\\t&:first-child .ck-button {\\n\\t\\t\\t@mixin ck-rounded-corners {\\n\\t\\t\\t\\tborder-top-left-radius: 0;\\n\\t\\t\\t\\tborder-bottom-left-radius: 0;\\n\\t\\t\\t\\tborder-bottom-right-radius: 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t&:last-child .ck-button {\\n\\t\\t\\t@mixin ck-rounded-corners {\\n\\t\\t\\t\\tborder-top-left-radius: 0;\\n\\t\\t\\t\\tborder-top-right-radius: 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-splitbutton{font-size:inherit}.ck.ck-splitbutton .ck-splitbutton__action:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button .ck-tooltip{display:none}:root{--ck-color-split-button-hover-background:#ebebeb;--ck-color-split-button-hover-border:#b3b3b3}[dir=ltr] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,[dir=ltr] .ck.ck-splitbutton:hover>.ck-splitbutton__action{border-top-right-radius:unset;border-bottom-right-radius:unset}[dir=rtl] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,[dir=rtl] .ck.ck-splitbutton:hover>.ck-splitbutton__action{border-top-left-radius:unset;border-bottom-left-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow{min-width:unset}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-top-left-radius:unset;border-bottom-left-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-top-right-radius:unset;border-bottom-right-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow svg{width:var(--ck-dropdown-arrow-size)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover),.ck.ck-splitbutton:hover>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover){background:var(--ck-color-split-button-hover-background)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):after,.ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled):after{content:\\\"\\\";position:absolute;width:1px;height:100%;background-color:var(--ck-color-split-button-hover-border)}[dir=ltr] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):after,[dir=ltr] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled):after{left:-1px}[dir=rtl] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled):after,[dir=rtl] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled):after{right:-1px}.ck.ck-splitbutton.ck-splitbutton_open{border-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__action{border-bottom-left-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__arrow{border-bottom-right-radius:0}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/dropdown/splitbutton.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/tooltip/mixins/_tooltip.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/dropdown/splitbutton.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css\"],\"names\":[],\"mappings\":\"AAOA,mBAEC,iBAUD,CARC,iDACC,qCACD,CC0BA,8DACC,YACD,CClCD,MACC,gDAAyD,CACzD,4CACD,CAMC,oIAIE,6BAA8B,CAC9B,gCAQF,CAbA,oIAUE,4BAA6B,CAC7B,+BAEF,CAEA,0CAGC,eAiBD,CApBA,oDAOE,4BAA6B,CAC7B,+BAYF,CApBA,oDAaE,6BAA8B,CAC9B,gCAMF,CAHC,8CACC,mCACD,CASA,0KACC,wDACD,CAIA,8JACC,UAAW,CACX,iBAAkB,CAClB,SAAU,CACV,WAAY,CACZ,0DACD,CAGC,kLACC,SACD,CAIA,kLACC,UACD,CAMF,uCC7EA,eDuFA,CAVA,qHCzEC,qCDmFD,CARE,qKACC,2BACD,CAEA,mKACC,4BACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../tooltip/mixins/_tooltip.css\\\";\\n\\n.ck.ck-splitbutton {\\n\\t/* Enable font size inheritance, which allows fluid UI scaling. */\\n\\tfont-size: inherit;\\n\\n\\t& .ck-splitbutton__action:focus {\\n\\t\\tz-index: calc(var(--ck-z-default) + 1);\\n\\t}\\n\\n\\t/* Disable tooltips for the buttons when the button is \\\"open\\\" */\\n\\t&.ck-splitbutton_open > .ck-button {\\n\\t\\t@mixin ck-tooltip_disabled;\\n\\t}\\n}\\n\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Enables the tooltip, which is the tooltip is in DOM but\\n * not yet displayed.\\n */\\n@define-mixin ck-tooltip_enabled {\\n\\t& .ck-tooltip {\\n\\t\\tdisplay: block;\\n\\n\\t\\t/*\\n\\t\\t * Don't display tooltips in devices which don't support :hover.\\n\\t\\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\\n\\t\\t * the primary action, when tooltips are enabled.\\n\\t\\t *\\n\\t\\t * Q: OK, but why not the following query?\\n\\t\\t *\\n\\t\\t *   @media (hover) {\\n\\t\\t *       display: block;\\n\\t\\t *   }\\n\\t\\t *\\n\\t\\t * A: Because FF does not support it and it would completely disable tooltips\\n\\t\\t * in that browser.\\n\\t\\t *\\n\\t\\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\\n\\t\\t */\\n\\t\\t@media (hover:none) {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n}\\n\\n/**\\n * Disables the tooltip making it disappear from DOM.\\n */\\n@define-mixin ck-tooltip_disabled {\\n\\t& .ck-tooltip {\\n\\t\\tdisplay: none;\\n\\t}\\n}\\n\\n/**\\n * Shows the tooltip, which is already in DOM.\\n * Requires `ck-tooltip_enabled` first.\\n */\\n@define-mixin ck-tooltip_visible {\\n\\t& .ck-tooltip {\\n\\t\\tvisibility: visible;\\n\\t\\topacity: 1;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n\\n:root {\\n\\t--ck-color-split-button-hover-background: hsl(0, 0%, 92%);\\n\\t--ck-color-split-button-hover-border: hsl(0, 0%, 70%);\\n}\\n\\n.ck.ck-splitbutton {\\n\\t/*\\n\\t * Note: ck-rounded and ck-dir mixins don't go together (because they both use @nest).\\n\\t */\\n\\t&:hover > .ck-splitbutton__action,\\n\\t&.ck-splitbutton_open > .ck-splitbutton__action {\\n\\t\\t@nest [dir=\\\"ltr\\\"] & {\\n\\t\\t\\t/* Don't round the action button on the right side */\\n\\t\\t\\tborder-top-right-radius: unset;\\n\\t\\t\\tborder-bottom-right-radius: unset;\\n\\t\\t}\\n\\n\\t\\t@nest [dir=\\\"rtl\\\"] & {\\n\\t\\t\\t/* Don't round the action button on the left side */\\n\\t\\t\\tborder-top-left-radius: unset;\\n\\t\\t\\tborder-bottom-left-radius: unset;\\n\\t\\t}\\n\\t}\\n\\n\\t& > .ck-splitbutton__arrow {\\n\\t\\t/* It's a text-less button and since the icon is positioned absolutely in such situation,\\n\\t\\tit must get some arbitrary min-width. */\\n\\t\\tmin-width: unset;\\n\\n\\t\\t@nest [dir=\\\"ltr\\\"] & {\\n\\t\\t\\t/* Don't round the arrow button on the left side */\\n\\t\\t\\tborder-top-left-radius: unset;\\n\\t\\t\\tborder-bottom-left-radius: unset;\\n\\t\\t}\\n\\n\\t\\t@nest [dir=\\\"rtl\\\"] & {\\n\\t\\t\\t/* Don't round the arrow button on the right side */\\n\\t\\t\\tborder-top-right-radius: unset;\\n\\t\\t\\tborder-bottom-right-radius: unset;\\n\\t\\t}\\n\\n\\t\\t& svg {\\n\\t\\t\\twidth: var(--ck-dropdown-arrow-size);\\n\\t\\t}\\n\\t}\\n\\n\\t/* When the split button is \\\"open\\\" (the arrow is on) or being hovered, it should get some styling\\n\\tas a whole. The background of both buttons should stand out and there should be a visual\\n\\tseparation between both buttons. */\\n\\t&.ck-splitbutton_open,\\n\\t&:hover {\\n\\t\\t/* When the split button hovered as a whole, not as individual buttons. */\\n\\t\\t& > .ck-button:not(.ck-on):not(.ck-disabled):not(:hover) {\\n\\t\\t\\tbackground: var(--ck-color-split-button-hover-background);\\n\\t\\t}\\n\\n\\t\\t/* Splitbutton separator needs to be set with the ::after pseudoselector\\n\\t\\tto display properly the borders on focus */\\n\\t\\t& > .ck-splitbutton__arrow:not(.ck-disabled)::after {\\n\\t\\t\\tcontent: '';\\n\\t\\t\\tposition: absolute;\\n\\t\\t\\twidth: 1px;\\n\\t\\t\\theight: 100%;\\n\\t\\t\\tbackground-color: var(--ck-color-split-button-hover-border);\\n\\t\\t}\\n\\n\\t\\t@nest [dir=\\\"ltr\\\"] & {\\n\\t\\t\\t& > .ck-splitbutton__arrow:not(.ck-disabled)::after {\\n\\t\\t\\t\\tleft: -1px;\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t@nest [dir=\\\"rtl\\\"] & {\\n\\t\\t\\t& > .ck-splitbutton__arrow:not(.ck-disabled)::after {\\n\\t\\t\\t\\tright: -1px;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t/* Don't round the bottom left and right corners of the buttons when \\\"open\\\"\\n\\thttps://github.com/ckeditor/ckeditor5/issues/816 */\\n\\t&.ck-splitbutton_open {\\n\\t\\t@mixin ck-rounded-corners {\\n\\t\\t\\t& > .ck-splitbutton__action {\\n\\t\\t\\t\\tborder-bottom-left-radius: 0;\\n\\t\\t\\t}\\n\\n\\t\\t\\t& > .ck-splitbutton__arrow {\\n\\t\\t\\t\\tborder-bottom-right-radius: 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-toolbar-dropdown-max-width:60vw}.ck.ck-toolbar-dropdown>.ck-dropdown__panel{width:max-content;max-width:var(--ck-toolbar-dropdown-max-width)}.ck.ck-toolbar-dropdown>.ck-dropdown__panel .ck-button:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-toolbar-dropdown .ck-toolbar{border:0}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/dropdown/toolbardropdown.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/dropdown/toolbardropdown.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,oCACD,CAEA,4CAEC,iBAAkB,CAClB,8CAOD,CAJE,6DACC,qCACD,CCZF,oCACC,QACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-toolbar-dropdown-max-width: 60vw;\\n}\\n\\n.ck.ck-toolbar-dropdown > .ck-dropdown__panel {\\n\\t/* https://github.com/ckeditor/ckeditor5/issues/5586 */\\n\\twidth: max-content;\\n\\tmax-width: var(--ck-toolbar-dropdown-max-width);\\n\\n\\t& .ck-button {\\n\\t\\t&:focus {\\n\\t\\t\\tz-index: calc(var(--ck-z-default) + 1);\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-toolbar-dropdown .ck-toolbar {\\n\\tborder: 0;\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-color-editable-blur-selection:#d9d9d9}.ck.ck-editor__editable:not(.ck-editor__nested-editable){border-radius:0}.ck-rounded-corners .ck.ck-editor__editable:not(.ck-editor__nested-editable),.ck.ck-editor__editable:not(.ck-editor__nested-editable).ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-editor__editable:not(.ck-editor__nested-editable).ck-focused{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-inner-shadow),0 0}.ck.ck-editor__editable_inline{overflow:auto;padding:0 var(--ck-spacing-standard);border:1px solid transparent}.ck.ck-editor__editable_inline[dir=ltr]{text-align:left}.ck.ck-editor__editable_inline[dir=rtl]{text-align:right}.ck.ck-editor__editable_inline>:first-child{margin-top:var(--ck-spacing-large)}.ck.ck-editor__editable_inline>:last-child{margin-bottom:var(--ck-spacing-large)}.ck.ck-editor__editable_inline.ck-blurred ::selection{background:var(--ck-color-editable-blur-selection)}.ck.ck-balloon-panel.ck-toolbar-container[class*=arrow_n]:after{border-bottom-color:var(--ck-color-base-foreground)}.ck.ck-balloon-panel.ck-toolbar-container[class*=arrow_s]:after{border-top-color:var(--ck-color-base-foreground)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/editorui/editorui.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_focus.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css\"],\"names\":[],\"mappings\":\"AAWA,MACC,0CACD,CAEA,yDCJC,eDWD,CAPA,yJCAE,qCDOF,CAJC,oEERA,YAAa,CACb,2BAA2B,CCF3B,qCHYA,CAGD,+BACC,aAAc,CACd,oCAAqC,CACrC,4BA4BD,CA1BC,wCACC,eACD,CAEA,wCACC,gBACD,CAGA,4CACC,kCACD,CAGA,2CAKC,qCACD,CAGA,sDACC,kDACD,CAKA,gEACC,mDACD,CAIA,gEACC,gDACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n@import \\\"../../../mixins/_disabled.css\\\";\\n@import \\\"../../../mixins/_shadow.css\\\";\\n@import \\\"../../../mixins/_focus.css\\\";\\n@import \\\"../../mixins/_button.css\\\";\\n\\n:root {\\n\\t--ck-color-editable-blur-selection: hsl(0, 0%, 85%);\\n}\\n\\n.ck.ck-editor__editable:not(.ck-editor__nested-editable) {\\n\\t@mixin ck-rounded-corners;\\n\\n\\t&.ck-focused {\\n\\t\\t@mixin ck-focus-ring;\\n\\t\\t@mixin ck-box-shadow var(--ck-inner-shadow);\\n\\t}\\n}\\n\\n.ck.ck-editor__editable_inline {\\n\\toverflow: auto;\\n\\tpadding: 0 var(--ck-spacing-standard);\\n\\tborder: 1px solid transparent;\\n\\n\\t&[dir=\\\"ltr\\\"] {\\n\\t\\ttext-align: left;\\n\\t}\\n\\n\\t&[dir=\\\"rtl\\\"] {\\n\\t\\ttext-align: right;\\n\\t}\\n\\n\\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/116 */\\n\\t& > *:first-child {\\n\\t\\tmargin-top: var(--ck-spacing-large);\\n\\t}\\n\\n\\t/* https://github.com/ckeditor/ckeditor5/issues/847 */\\n\\t& > *:last-child {\\n\\t\\t/*\\n\\t\\t * This value should match with the default margins of the block elements (like .media or .image)\\n\\t\\t * to avoid a content jumping when the fake selection container shows up (See https://github.com/ckeditor/ckeditor5/issues/9825).\\n\\t\\t */\\n\\t\\tmargin-bottom: var(--ck-spacing-large);\\n\\t}\\n\\n\\t/* https://github.com/ckeditor/ckeditor5/issues/6517 */\\n\\t&.ck-blurred ::selection {\\n\\t\\tbackground: var(--ck-color-editable-blur-selection);\\n\\t}\\n}\\n\\n/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/111 */\\n.ck.ck-balloon-panel.ck-toolbar-container[class*=\\\"arrow_n\\\"] {\\n\\t&::after {\\n\\t\\tborder-bottom-color: var(--ck-color-base-foreground);\\n\\t}\\n}\\n\\n.ck.ck-balloon-panel.ck-toolbar-container[class*=\\\"arrow_s\\\"] {\\n\\t&::after {\\n\\t\\tborder-top-color: var(--ck-color-base-foreground);\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A visual style of focused element's border.\\n */\\n@define-mixin ck-focus-ring {\\n\\t/* Disable native outline. */\\n\\toutline: none;\\n\\tborder: var(--ck-focus-ring)\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A helper to combine multiple shadows.\\n */\\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\\n\\tbox-shadow: $shadowA, $shadowB;\\n}\\n\\n/**\\n * Gives an element a drop shadow so it looks like a floating panel.\\n */\\n@define-mixin ck-drop-shadow {\\n\\t@mixin ck-box-shadow var(--ck-drop-shadow);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-form__header{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:space-between}:root{--ck-form-header-height:38px}.ck.ck-form__header{padding:var(--ck-spacing-small) var(--ck-spacing-large);height:var(--ck-form-header-height);line-height:var(--ck-form-header-height);border-bottom:1px solid var(--ck-color-base-border)}.ck.ck-form__header .ck-form__header__label{font-weight:700}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/formheader/formheader.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/formheader/formheader.css\"],\"names\":[],\"mappings\":\"AAKA,oBACC,YAAa,CACb,kBAAmB,CACnB,gBAAiB,CACjB,kBAAmB,CACnB,6BACD,CCNA,MACC,4BACD,CAEA,oBACC,uDAAwD,CACxD,mCAAoC,CACpC,wCAAyC,CACzC,mDAKD,CAHC,4CACC,eACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-form__header {\\n\\tdisplay: flex;\\n\\tflex-direction: row;\\n\\tflex-wrap: nowrap;\\n\\talign-items: center;\\n\\tjustify-content: space-between;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-form-header-height: 38px;\\n}\\n\\n.ck.ck-form__header {\\n\\tpadding: var(--ck-spacing-small) var(--ck-spacing-large);\\n\\theight: var(--ck-form-header-height);\\n\\tline-height: var(--ck-form-header-height);\\n\\tborder-bottom: 1px solid var(--ck-color-base-border);\\n\\n\\t& .ck-form__header__label {\\n\\t\\tfont-weight: bold;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-icon{vertical-align:middle}:root{--ck-icon-size:calc(var(--ck-line-height-base)*var(--ck-font-size-normal))}.ck.ck-icon{width:var(--ck-icon-size);height:var(--ck-icon-size);font-size:.8333350694em;will-change:transform}.ck.ck-icon,.ck.ck-icon *{color:inherit;cursor:inherit}.ck.ck-icon :not([fill]){fill:currentColor}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/icon/icon.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/icon/icon.css\"],\"names\":[],\"mappings\":\"AAKA,YACC,qBACD,CCFA,MACC,0EACD,CAEA,YACC,yBAA0B,CAC1B,0BAA2B,CAG3B,uBAAwB,CAQxB,qBAcD,CAZC,0BARA,aAAc,CAGd,cAgBA,CAJC,yBAEC,iBACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-icon {\\n\\tvertical-align: middle;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-icon-size: calc(var(--ck-line-height-base) * var(--ck-font-size-normal));\\n}\\n\\n.ck.ck-icon {\\n\\twidth: var(--ck-icon-size);\\n\\theight: var(--ck-icon-size);\\n\\n\\t/* Multiplied by the height of the line in \\\"px\\\" should give SVG \\\"viewport\\\" dimensions */\\n\\tfont-size: .8333350694em;\\n\\n\\tcolor: inherit;\\n\\n\\t/* Inherit cursor style (#5). */\\n\\tcursor: inherit;\\n\\n\\t/* This will prevent blurry icons on Firefox. See #340. */\\n\\twill-change: transform;\\n\\n\\t& * {\\n\\t\\t/* Inherit cursor style (#5). */\\n\\t\\tcursor: inherit;\\n\\n\\t\\t/* Allows dynamic coloring of the icons. */\\n\\t\\tcolor: inherit;\\n\\n\\t\\t&:not([fill]) {\\n\\t\\t\\t/* Needed by FF. */\\n\\t\\t\\tfill: currentColor;\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-input-width:18em;--ck-input-text-width:var(--ck-input-width)}.ck.ck-input{border-radius:0}.ck-rounded-corners .ck.ck-input,.ck.ck-input.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-input{background:var(--ck-color-input-background);border:1px solid var(--ck-color-input-border);padding:var(--ck-spacing-extra-tiny) var(--ck-spacing-medium);min-width:var(--ck-input-width);min-height:var(--ck-ui-component-min-height);transition:box-shadow .1s ease-in-out,border .1s ease-in-out}.ck.ck-input:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-focus-outer-shadow),0 0}.ck.ck-input[readonly]{border:1px solid var(--ck-color-input-disabled-border);background:var(--ck-color-input-disabled-background);color:var(--ck-color-input-disabled-text)}.ck.ck-input[readonly]:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),0 0}.ck.ck-input.ck-error{border-color:var(--ck-color-input-error-border);animation:ck-input-shake .3s ease both}.ck.ck-input.ck-error:focus{box-shadow:var(--ck-focus-error-outer-shadow),0 0}@keyframes ck-input-shake{20%{transform:translateX(-2px)}40%{transform:translateX(2px)}60%{transform:translateX(-1px)}80%{transform:translateX(1px)}}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/input/input.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_focus.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css\"],\"names\":[],\"mappings\":\"AASA,MACC,qBAAsB,CAGtB,2CACD,CAEA,aCLC,eD2CD,CAtCA,iECDE,qCDuCF,CAtCA,aAGC,2CAA4C,CAC5C,6CAA8C,CAC9C,6DAA8D,CAC9D,+BAAgC,CAGhC,4CAA6C,CAG7C,4DA0BD,CAxBC,mBEpBA,YAAa,CACb,2BAA2B,CCF3B,2CHwBA,CAEA,uBACC,sDAAuD,CACvD,oDAAqD,CACrD,yCAMD,CAJC,6BG/BD,oDHkCC,CAGD,sBACC,+CAAgD,CAChD,sCAKD,CAHC,4BGzCD,iDH2CC,CAIF,0BACC,IACC,0BACD,CAEA,IACC,yBACD,CAEA,IACC,0BACD,CAEA,IACC,yBACD,CACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n@import \\\"../../../mixins/_focus.css\\\";\\n@import \\\"../../../mixins/_shadow.css\\\";\\n\\n:root {\\n\\t--ck-input-width: 18em;\\n\\n\\t/* Backward compatibility. */\\n\\t--ck-input-text-width: var(--ck-input-width);\\n}\\n\\n.ck.ck-input {\\n\\t@mixin ck-rounded-corners;\\n\\n\\tbackground: var(--ck-color-input-background);\\n\\tborder: 1px solid var(--ck-color-input-border);\\n\\tpadding: var(--ck-spacing-extra-tiny) var(--ck-spacing-medium);\\n\\tmin-width: var(--ck-input-width);\\n\\n\\t/* This is important to stay of the same height as surrounding buttons */\\n\\tmin-height: var(--ck-ui-component-min-height);\\n\\n\\t/* Apply some smooth transition to the box-shadow and border. */\\n\\ttransition: box-shadow .1s ease-in-out, border .1s ease-in-out;\\n\\n\\t&:focus {\\n\\t\\t@mixin ck-focus-ring;\\n\\t\\t@mixin ck-box-shadow var(--ck-focus-outer-shadow);\\n\\t}\\n\\n\\t&[readonly] {\\n\\t\\tborder: 1px solid var(--ck-color-input-disabled-border);\\n\\t\\tbackground: var(--ck-color-input-disabled-background);\\n\\t\\tcolor: var(--ck-color-input-disabled-text);\\n\\n\\t\\t&:focus {\\n\\t\\t\\t/* The read-only input should have a slightly less visible shadow when focused. */\\n\\t\\t\\t@mixin ck-box-shadow var(--ck-focus-disabled-outer-shadow);\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-error {\\n\\t\\tborder-color: var(--ck-color-input-error-border);\\n\\t\\tanimation: ck-input-shake .3s ease both;\\n\\n\\t\\t&:focus {\\n\\t\\t\\t@mixin ck-box-shadow var(--ck-focus-error-outer-shadow);\\n\\t\\t}\\n\\t}\\n}\\n\\n@keyframes ck-input-shake {\\n\\t20% {\\n\\t\\ttransform: translateX(-2px);\\n\\t}\\n\\n\\t40% {\\n\\t\\ttransform: translateX(2px);\\n\\t}\\n\\n\\t60% {\\n\\t\\ttransform: translateX(-1px);\\n\\t}\\n\\n\\t80% {\\n\\t\\ttransform: translateX(1px);\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A visual style of focused element's border.\\n */\\n@define-mixin ck-focus-ring {\\n\\t/* Disable native outline. */\\n\\toutline: none;\\n\\tborder: var(--ck-focus-ring)\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A helper to combine multiple shadows.\\n */\\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\\n\\tbox-shadow: $shadowA, $shadowB;\\n}\\n\\n/**\\n * Gives an element a drop shadow so it looks like a floating panel.\\n */\\n@define-mixin ck-drop-shadow {\\n\\t@mixin ck-box-shadow var(--ck-drop-shadow);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-label{display:block}.ck.ck-voice-label{display:none}.ck.ck-label{font-weight:700}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/label/label.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/label/label.css\"],\"names\":[],\"mappings\":\"AAKA,aACC,aACD,CAEA,mBACC,YACD,CCNA,aACC,eACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-label {\\n\\tdisplay: block;\\n}\\n\\n.ck.ck-voice-label {\\n\\tdisplay: none;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-label {\\n\\tfont-weight: bold;\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper{display:flex;position:relative}.ck.ck-labeled-field-view .ck.ck-label{display:block;position:absolute}:root{--ck-labeled-field-view-transition:.1s cubic-bezier(0,0,0.24,0.95);--ck-labeled-field-empty-unfocused-max-width:100% - 2 * var(--ck-spacing-medium);--ck-color-labeled-field-label-background:var(--ck-color-base-background)}.ck.ck-labeled-field-view{border-radius:0}.ck-rounded-corners .ck.ck-labeled-field-view,.ck.ck-labeled-field-view.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper{width:100%}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{top:0}[dir=ltr] .ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{left:0}[dir=rtl] .ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{right:0}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{pointer-events:none;transform-origin:0 0;transform:translate(var(--ck-spacing-medium),-6px) scale(.75);background:var(--ck-color-labeled-field-label-background);padding:0 calc(var(--ck-font-size-tiny)*0.5);line-height:normal;font-weight:400;text-overflow:ellipsis;overflow:hidden;max-width:100%;transition:transform var(--ck-labeled-field-view-transition),padding var(--ck-labeled-field-view-transition),background var(--ck-labeled-field-view-transition)}.ck.ck-labeled-field-view.ck-error .ck-input:not([readonly])+.ck.ck-label,.ck.ck-labeled-field-view.ck-error>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{color:var(--ck-color-base-error)}.ck.ck-labeled-field-view .ck-labeled-field-view__status{font-size:var(--ck-font-size-small);margin-top:var(--ck-spacing-small);white-space:normal}.ck.ck-labeled-field-view .ck-labeled-field-view__status.ck-labeled-field-view__status_error{color:var(--ck-color-base-error)}.ck.ck-labeled-field-view.ck-disabled>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{color:var(--ck-color-input-disabled-text)}[dir=ltr] .ck.ck-labeled-field-view.ck-disabled.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,[dir=ltr] .ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{transform:translate(var(--ck-spacing-medium),calc(var(--ck-font-size-base)*0.6)) scale(1)}[dir=rtl] .ck.ck-labeled-field-view.ck-disabled.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,[dir=rtl] .ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{transform:translate(calc(var(--ck-spacing-medium)*-1),calc(var(--ck-font-size-base)*0.6)) scale(1)}.ck.ck-labeled-field-view.ck-disabled.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label,.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck.ck-label{max-width:calc(var(--ck-labeled-field-empty-unfocused-max-width));background:transparent;padding:0}.ck.ck-labeled-field-view>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown>.ck.ck-button{background:transparent}.ck.ck-labeled-field-view.ck-labeled-field-view_empty>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown>.ck-button>.ck-button__label{opacity:0}.ck.ck-labeled-field-view.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder)>.ck.ck-labeled-field-view__input-wrapper>.ck-dropdown+.ck-label{max-width:calc(var(--ck-labeled-field-empty-unfocused-max-width) - var(--ck-dropdown-arrow-size) - var(--ck-spacing-standard))}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/labeledfield/labeledfieldview.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/labeledfield/labeledfieldview.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css\"],\"names\":[],\"mappings\":\"AAMC,mEACC,YAAa,CACb,iBACD,CAEA,uCACC,aAAc,CACd,iBACD,CCND,MACC,kEAAsE,CACtE,gFAAiF,CACjF,yEACD,CAEA,0BCHC,eD4GD,CAzGA,2FCCE,qCDwGF,CAtGC,mEACC,UAmCD,CAjCC,gFACC,KA+BD,CAhCA,0FAIE,MA4BF,CAhCA,0FAQE,OAwBF,CAhCA,gFAWC,mBAAoB,CACpB,oBAAqB,CAGrB,6DAA+D,CAE/D,yDAA0D,CAC1D,4CAA8C,CAC9C,kBAAoB,CACpB,eAAmB,CAGnB,sBAAuB,CACvB,eAAgB,CAEhB,cAAe,CAEf,+JAID,CAQA,mKACC,gCACD,CAGD,yDACC,mCAAoC,CACpC,kCAAmC,CAInC,kBAKD,CAHC,6FACC,gCACD,CAID,4OAEC,yCACD,CAIA,oUAGE,yFAYF,CAfA,oUAOE,kGAQF,CAfA,gTAWC,iEAAkE,CAElE,sBAAuB,CACvB,SACD,CAKA,8FACC,sBACD,CAGA,yIACC,SACD,CAGA,kMACC,8HACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-labeled-field-view {\\n\\t& > .ck.ck-labeled-field-view__input-wrapper {\\n\\t\\tdisplay: flex;\\n\\t\\tposition: relative;\\n\\t}\\n\\n\\t& .ck.ck-label {\\n\\t\\tdisplay: block;\\n\\t\\tposition: absolute;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n@import \\\"../../../mixins/_rounded.css\\\";\\n\\n:root {\\n\\t--ck-labeled-field-view-transition: .1s cubic-bezier(0, 0, 0.24, 0.95);\\n\\t--ck-labeled-field-empty-unfocused-max-width: 100% - 2 * var(--ck-spacing-medium);\\n\\t--ck-color-labeled-field-label-background: var(--ck-color-base-background);\\n}\\n\\n.ck.ck-labeled-field-view {\\n\\t@mixin ck-rounded-corners;\\n\\n\\t& > .ck.ck-labeled-field-view__input-wrapper {\\n\\t\\twidth: 100%;\\n\\n\\t\\t& > .ck.ck-label {\\n\\t\\t\\ttop: 0px;\\n\\n\\t\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t\\tleft: 0px;\\n\\t\\t\\t}\\n\\n\\t\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t\\tright: 0px;\\n\\t\\t\\t}\\n\\n\\t\\t\\tpointer-events: none;\\n\\t\\t\\ttransform-origin: 0 0;\\n\\n\\t\\t\\t/* By default, display the label scaled down above the field. */\\n\\t\\t\\ttransform: translate(var(--ck-spacing-medium), -6px) scale(.75);\\n\\n\\t\\t\\tbackground: var(--ck-color-labeled-field-label-background);\\n\\t\\t\\tpadding: 0 calc(.5 * var(--ck-font-size-tiny));\\n\\t\\t\\tline-height: initial;\\n\\t\\t\\tfont-weight: normal;\\n\\n\\t\\t\\t/* Prevent overflow when the label is longer than the input */\\n\\t\\t\\ttext-overflow: ellipsis;\\n\\t\\t\\toverflow: hidden;\\n\\n\\t\\t\\tmax-width: 100%;\\n\\n\\t\\t\\ttransition:\\n\\t\\t\\t\\ttransform var(--ck-labeled-field-view-transition),\\n\\t\\t\\t\\tpadding var(--ck-labeled-field-view-transition),\\n\\t\\t\\t\\tbackground var(--ck-labeled-field-view-transition);\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-error {\\n\\t\\t& > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\\n\\t\\t\\tcolor: var(--ck-color-base-error);\\n\\t\\t}\\n\\n\\t\\t& .ck-input:not([readonly]) + .ck.ck-label {\\n\\t\\t\\tcolor: var(--ck-color-base-error);\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck-labeled-field-view__status {\\n\\t\\tfont-size: var(--ck-font-size-small);\\n\\t\\tmargin-top: var(--ck-spacing-small);\\n\\n\\t\\t/* Let the info wrap to the next line to avoid stretching the layout horizontally.\\n\\t\\tThe status could be very long. */\\n\\t\\twhite-space: normal;\\n\\n\\t\\t&.ck-labeled-field-view__status_error {\\n\\t\\t\\tcolor: var(--ck-color-base-error);\\n\\t\\t}\\n\\t}\\n\\n\\t/* Disabled fields and fields that have no focus should fade out. */\\n\\t&.ck-disabled > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label,\\n\\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused) > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\\n\\t\\tcolor: var(--ck-color-input-disabled-text);\\n\\t}\\n\\n\\t/* Fields that are disabled or not focused and without a placeholder should have full-sized labels. */\\n\\t/* stylelint-disable-next-line no-descending-specificity */\\n\\t&.ck-disabled.ck-labeled-field-view_empty > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label,\\n\\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder) > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\\n\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\ttransform: translate(var(--ck-spacing-medium), calc(0.6 * var(--ck-font-size-base))) scale(1);\\n\\t\\t}\\n\\n\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\ttransform: translate(calc(-1 * var(--ck-spacing-medium)), calc(0.6 * var(--ck-font-size-base))) scale(1);\\n\\t\\t}\\n\\n\\t\\t/* Compensate for the default translate position. */\\n\\t\\tmax-width: calc(var(--ck-labeled-field-empty-unfocused-max-width));\\n\\n\\t\\tbackground: transparent;\\n\\t\\tpadding: 0;\\n\\t}\\n\\n\\t/*------ DropdownView integration ----------------------------------------------------------------------------------- */\\n\\n\\t/* Make sure dropdown' background color in any of dropdown's state does not collide with labeled field. */\\n\\t& > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown > .ck.ck-button {\\n\\t\\tbackground: transparent;\\n\\t}\\n\\n\\t/* When the dropdown is \\\"empty\\\", the labeled field label replaces its label. */\\n\\t&.ck-labeled-field-view_empty > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown > .ck-button > .ck-button__label {\\n\\t\\topacity: 0;\\n\\t}\\n\\n\\t/* Make sure the label of the empty, unfocused input does not cover the dropdown arrow. */\\n\\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder) > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown + .ck-label {\\n\\t\\tmax-width: calc(var(--ck-labeled-field-empty-unfocused-max-width) - var(--ck-dropdown-arrow-size) - var(--ck-spacing-standard));\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-list{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-direction:column}.ck.ck-list .ck-list__item,.ck.ck-list .ck-list__separator{display:block}.ck.ck-list .ck-list__item>:focus{position:relative;z-index:var(--ck-z-default)}.ck.ck-list{border-radius:0}.ck-rounded-corners .ck.ck-list,.ck.ck-list.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-list{list-style-type:none;background:var(--ck-color-list-background)}.ck.ck-list__item{cursor:default;min-width:12em}.ck.ck-list__item .ck-button{min-height:unset;width:100%;text-align:left;border-radius:0;padding:calc(var(--ck-line-height-base)*0.2*var(--ck-font-size-base)) calc(var(--ck-line-height-base)*0.4*var(--ck-font-size-base))}.ck.ck-list__item .ck-button .ck-button__label{line-height:calc(var(--ck-line-height-base)*1.2*var(--ck-font-size-base))}.ck.ck-list__item .ck-button:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on{background:var(--ck-color-list-button-on-background);color:var(--ck-color-list-button-on-text)}.ck.ck-list__item .ck-button.ck-on:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on:hover:not(.ck-disabled){background:var(--ck-color-list-button-on-background-focus)}.ck.ck-list__item .ck-button.ck-on:focus:not(.ck-disabled){border-color:var(--ck-color-base-background)}.ck.ck-list__item .ck-button:hover:not(.ck-disabled){background:var(--ck-color-list-button-hover-background)}.ck.ck-list__item .ck-switchbutton.ck-on{background:var(--ck-color-list-background);color:inherit}.ck.ck-list__item .ck-switchbutton.ck-on:hover:not(.ck-disabled){background:var(--ck-color-list-button-hover-background);color:inherit}.ck.ck-list__separator{height:1px;width:100%;background:var(--ck-color-base-border)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/list/list.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_unselectable.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/list/list.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css\"],\"names\":[],\"mappings\":\"AAOA,YCEC,qBAAsB,CACtB,wBAAyB,CACzB,oBAAqB,CACrB,gBAAgB,CDFhB,YAAa,CACb,qBAcD,CAZC,2DAEC,aACD,CAKA,kCACC,iBAAkB,CAClB,2BACD,CEfD,YCEC,eDGD,CALA,+DCME,qCDDF,CALA,YAGC,oBAAqB,CACrB,0CACD,CAEA,kBACC,cAAe,CACf,cA2DD,CAzDC,6BACC,gBAAiB,CACjB,UAAW,CACX,eAAgB,CAChB,eAAgB,CAKhB,mIAiCD,CA7BC,+CAEC,yEACD,CAEA,oCACC,eACD,CAEA,mCACC,oDAAqD,CACrD,yCAaD,CAXC,0CACC,eACD,CAEA,2DACC,0DACD,CAEA,2DACC,4CACD,CAGD,qDACC,uDACD,CAMA,yCACC,0CAA2C,CAC3C,aAMD,CAJC,iEACC,uDAAwD,CACxD,aACD,CAKH,uBACC,UAAW,CACX,UAAW,CACX,sCACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../mixins/_unselectable.css\\\";\\n\\n.ck.ck-list {\\n\\t@mixin ck-unselectable;\\n\\n\\tdisplay: flex;\\n\\tflex-direction: column;\\n\\n\\t& .ck-list__item,\\n\\t& .ck-list__separator {\\n\\t\\tdisplay: block;\\n\\t}\\n\\n\\t/* Make sure that whatever child of the list item gets focus, it remains on the\\n\\ttop. Thanks to that, styles like box-shadow, outline, etc. are not masked by\\n\\tadjacent list items. */\\n\\t& .ck-list__item > *:focus {\\n\\t\\tposition: relative;\\n\\t\\tz-index: var(--ck-z-default);\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Makes element unselectable.\\n */\\n@define-mixin ck-unselectable {\\n\\t-moz-user-select: none;\\n\\t-webkit-user-select: none;\\n\\t-ms-user-select: none;\\n\\tuser-select: none\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_disabled.css\\\";\\n@import \\\"../../../mixins/_rounded.css\\\";\\n@import \\\"../../../mixins/_shadow.css\\\";\\n\\n.ck.ck-list {\\n\\t@mixin ck-rounded-corners;\\n\\n\\tlist-style-type: none;\\n\\tbackground: var(--ck-color-list-background);\\n}\\n\\n.ck.ck-list__item {\\n\\tcursor: default;\\n\\tmin-width: 12em;\\n\\n\\t& .ck-button {\\n\\t\\tmin-height: unset;\\n\\t\\twidth: 100%;\\n\\t\\ttext-align: left;\\n\\t\\tborder-radius: 0;\\n\\n\\t\\t/* List items should have the same height. Use absolute units to make sure it is so\\n\\t\\t   because e.g. different heading styles may have different height\\n\\t\\t   https://github.com/ckeditor/ckeditor5-heading/issues/63 */\\n\\t\\tpadding:\\n\\t\\t\\tcalc(.2 * var(--ck-line-height-base) * var(--ck-font-size-base))\\n\\t\\t\\tcalc(.4 * var(--ck-line-height-base) * var(--ck-font-size-base));\\n\\n\\t\\t& .ck-button__label {\\n\\t\\t\\t/* https://github.com/ckeditor/ckeditor5-heading/issues/63 */\\n\\t\\t\\tline-height: calc(1.2 * var(--ck-line-height-base) * var(--ck-font-size-base));\\n\\t\\t}\\n\\n\\t\\t&:active {\\n\\t\\t\\tbox-shadow: none;\\n\\t\\t}\\n\\n\\t\\t&.ck-on {\\n\\t\\t\\tbackground: var(--ck-color-list-button-on-background);\\n\\t\\t\\tcolor: var(--ck-color-list-button-on-text);\\n\\n\\t\\t\\t&:active {\\n\\t\\t\\t\\tbox-shadow: none;\\n\\t\\t\\t}\\n\\n\\t\\t\\t&:hover:not(.ck-disabled) {\\n\\t\\t\\t\\tbackground: var(--ck-color-list-button-on-background-focus);\\n\\t\\t\\t}\\n\\n\\t\\t\\t&:focus:not(.ck-disabled) {\\n\\t\\t\\t\\tborder-color: var(--ck-color-base-background);\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t&:hover:not(.ck-disabled) {\\n\\t\\t\\tbackground: var(--ck-color-list-button-hover-background);\\n\\t\\t}\\n\\t}\\n\\n\\t/* It's unnecessary to change the background/text of a switch toggle; it has different ways\\n\\tof conveying its state (like the switcher) */\\n\\t& .ck-switchbutton {\\n\\t\\t&.ck-on {\\n\\t\\t\\tbackground: var(--ck-color-list-background);\\n\\t\\t\\tcolor: inherit;\\n\\n\\t\\t\\t&:hover:not(.ck-disabled) {\\n\\t\\t\\t\\tbackground: var(--ck-color-list-button-hover-background);\\n\\t\\t\\t\\tcolor: inherit;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\\n.ck.ck-list__separator {\\n\\theight: 1px;\\n\\twidth: 100%;\\n\\tbackground: var(--ck-color-base-border);\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-balloon-panel-arrow-z-index:calc(var(--ck-z-default) - 3)}.ck.ck-balloon-panel{display:none;position:absolute;z-index:var(--ck-z-modal)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after,.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{content:\\\"\\\";position:absolute}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{z-index:var(--ck-balloon-panel-arrow-z-index)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after{z-index:calc(var(--ck-balloon-panel-arrow-z-index) + 1)}.ck.ck-balloon-panel[class*=arrow_n]:before{z-index:var(--ck-balloon-panel-arrow-z-index)}.ck.ck-balloon-panel[class*=arrow_n]:after{z-index:calc(var(--ck-balloon-panel-arrow-z-index) + 1)}.ck.ck-balloon-panel[class*=arrow_s]:before{z-index:var(--ck-balloon-panel-arrow-z-index)}.ck.ck-balloon-panel[class*=arrow_s]:after{z-index:calc(var(--ck-balloon-panel-arrow-z-index) + 1)}.ck.ck-balloon-panel.ck-balloon-panel_visible{display:block}:root{--ck-balloon-arrow-offset:2px;--ck-balloon-arrow-height:10px;--ck-balloon-arrow-half-width:8px;--ck-balloon-arrow-drop-shadow:0 2px 2px var(--ck-color-shadow-drop)}.ck.ck-balloon-panel{border-radius:0}.ck-rounded-corners .ck.ck-balloon-panel,.ck.ck-balloon-panel.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-balloon-panel{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after,.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{width:0;height:0;border-style:solid}.ck.ck-balloon-panel[class*=arrow_n]:after,.ck.ck-balloon-panel[class*=arrow_n]:before{border-left-width:var(--ck-balloon-arrow-half-width);border-bottom-width:var(--ck-balloon-arrow-height);border-right-width:var(--ck-balloon-arrow-half-width);border-top-width:0}.ck.ck-balloon-panel[class*=arrow_n]:before{border-bottom-color:var(--ck-color-panel-border)}.ck.ck-balloon-panel[class*=arrow_n]:after,.ck.ck-balloon-panel[class*=arrow_n]:before{border-left-color:transparent;border-right-color:transparent;border-top-color:transparent}.ck.ck-balloon-panel[class*=arrow_n]:after{border-bottom-color:var(--ck-color-panel-background);margin-top:var(--ck-balloon-arrow-offset)}.ck.ck-balloon-panel[class*=arrow_s]:after,.ck.ck-balloon-panel[class*=arrow_s]:before{border-left-width:var(--ck-balloon-arrow-half-width);border-bottom-width:0;border-right-width:var(--ck-balloon-arrow-half-width);border-top-width:var(--ck-balloon-arrow-height)}.ck.ck-balloon-panel[class*=arrow_s]:before{border-top-color:var(--ck-color-panel-border);filter:drop-shadow(var(--ck-balloon-arrow-drop-shadow))}.ck.ck-balloon-panel[class*=arrow_s]:after,.ck.ck-balloon-panel[class*=arrow_s]:before{border-left-color:transparent;border-bottom-color:transparent;border-right-color:transparent}.ck.ck-balloon-panel[class*=arrow_s]:after{border-top-color:var(--ck-color-panel-background);margin-bottom:var(--ck-balloon-arrow-offset)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_n:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_n:before{left:50%;margin-left:calc(var(--ck-balloon-arrow-half-width)*-1);top:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_nw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_nw:before{left:calc(var(--ck-balloon-arrow-half-width)*2);top:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_ne:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_ne:before{right:calc(var(--ck-balloon-arrow-half-width)*2);top:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_s:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_s:before{left:50%;margin-left:calc(var(--ck-balloon-arrow-half-width)*-1);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_sw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_sw:before{left:calc(var(--ck-balloon-arrow-half-width)*2);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_se:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_se:before{right:calc(var(--ck-balloon-arrow-half-width)*2);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_sme:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_sme:before{right:25%;margin-right:calc(var(--ck-balloon-arrow-half-width)*2);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_smw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_smw:before{left:25%;margin-left:calc(var(--ck-balloon-arrow-half-width)*2);bottom:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_nme:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_nme:before{right:25%;margin-right:calc(var(--ck-balloon-arrow-half-width)*2);top:calc(var(--ck-balloon-arrow-height)*-1)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_nmw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_nmw:before{left:25%;margin-left:calc(var(--ck-balloon-arrow-half-width)*2);top:calc(var(--ck-balloon-arrow-height)*-1)}\", 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* Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t/* Make sure the balloon arrow does not float over its children. */\\n\\t--ck-balloon-panel-arrow-z-index: calc(var(--ck-z-default) - 3);\\n}\\n\\n.ck.ck-balloon-panel {\\n\\tdisplay: none;\\n\\tposition: absolute;\\n\\n\\tz-index: var(--ck-z-modal);\\n\\n\\t&.ck-balloon-panel_with-arrow {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tcontent: \\\"\\\";\\n\\t\\t\\tposition: absolute;\\n\\t\\t}\\n\\n\\t\\t&::before {\\n\\t\\t\\tz-index: var(--ck-balloon-panel-arrow-z-index);\\n\\t\\t}\\n\\n\\t\\t&::after {\\n\\t\\t\\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\\n\\t\\t}\\n\\t}\\n\\n\\t&[class*=\\\"arrow_n\\\"] {\\n\\t\\t&::before {\\n\\t\\t\\tz-index: var(--ck-balloon-panel-arrow-z-index);\\n\\t\\t}\\n\\n\\t\\t&::after {\\n\\t\\t\\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\\n\\t\\t}\\n\\t}\\n\\n\\t&[class*=\\\"arrow_s\\\"] {\\n\\t\\t&::before {\\n\\t\\t\\tz-index: var(--ck-balloon-panel-arrow-z-index);\\n\\t\\t}\\n\\n\\t\\t&::after {\\n\\t\\t\\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_visible {\\n\\t\\tdisplay: block;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n@import \\\"../../../mixins/_shadow.css\\\";\\n\\n:root {\\n\\t--ck-balloon-arrow-offset: 2px;\\n\\t--ck-balloon-arrow-height: 10px;\\n\\t--ck-balloon-arrow-half-width: 8px;\\n\\t--ck-balloon-arrow-drop-shadow: 0 2px 2px var(--ck-color-shadow-drop);\\n}\\n\\n.ck.ck-balloon-panel {\\n\\t@mixin ck-rounded-corners;\\n\\t@mixin ck-drop-shadow;\\n\\n\\tmin-height: 15px;\\n\\n\\tbackground: var(--ck-color-panel-background);\\n\\tborder: 1px solid var(--ck-color-panel-border);\\n\\n\\t&.ck-balloon-panel_with-arrow {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\twidth: 0;\\n\\t\\t\\theight: 0;\\n\\t\\t\\tborder-style: solid;\\n\\t\\t}\\n\\t}\\n\\n\\t&[class*=\\\"arrow_n\\\"] {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tborder-width: 0 var(--ck-balloon-arrow-half-width) var(--ck-balloon-arrow-height) var(--ck-balloon-arrow-half-width);\\n\\t\\t}\\n\\n\\t\\t&::before {\\n\\t\\t\\tborder-color: transparent transparent var(--ck-color-panel-border) transparent;\\n\\t\\t}\\n\\n\\t\\t&::after {\\n\\t\\t\\tborder-color: transparent transparent var(--ck-color-panel-background) transparent;\\n\\t\\t\\tmargin-top: var(--ck-balloon-arrow-offset);\\n\\t\\t}\\n\\t}\\n\\n\\t&[class*=\\\"arrow_s\\\"] {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tborder-width: var(--ck-balloon-arrow-height) var(--ck-balloon-arrow-half-width) 0 var(--ck-balloon-arrow-half-width);\\n\\t\\t}\\n\\n\\t\\t&::before {\\n\\t\\t\\tborder-color: var(--ck-color-panel-border) transparent transparent;\\n\\t\\t\\tfilter: drop-shadow(var(--ck-balloon-arrow-drop-shadow));\\n\\t\\t}\\n\\n\\t\\t&::after {\\n\\t\\t\\tborder-color: var(--ck-color-panel-background) transparent transparent transparent;\\n\\t\\t\\tmargin-bottom: var(--ck-balloon-arrow-offset);\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_n {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tleft: 50%;\\n\\t\\t\\tmargin-left: calc(-1 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\ttop: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_nw {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tleft: calc(2 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\ttop: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_ne {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tright: calc(2 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\ttop: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_s {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tleft: 50%;\\n\\t\\t\\tmargin-left: calc(-1 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_sw {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tleft: calc(2 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_se {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tright: calc(2 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_sme {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tright: 25%;\\n\\t\\t\\tmargin-right: calc(2 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_smw {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tleft: 25%;\\n\\t\\t\\tmargin-left: calc(2 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_nme {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tright: 25%;\\n\\t\\t\\tmargin-right: calc(2 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\ttop: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-balloon-panel_arrow_nmw {\\n\\t\\t&::before,\\n\\t\\t&::after {\\n\\t\\t\\tleft: 25%;\\n\\t\\t\\tmargin-left: calc(2 * var(--ck-balloon-arrow-half-width));\\n\\t\\t\\ttop: calc(-1 * var(--ck-balloon-arrow-height));\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A helper to combine multiple shadows.\\n */\\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\\n\\tbox-shadow: $shadowA, $shadowB;\\n}\\n\\n/**\\n * Gives an element a drop shadow so it looks like a floating panel.\\n */\\n@define-mixin ck-drop-shadow {\\n\\t@mixin ck-box-shadow var(--ck-drop-shadow);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck .ck-balloon-rotator__navigation{display:flex;align-items:center;justify-content:center}.ck .ck-balloon-rotator__content .ck-toolbar{justify-content:center}.ck .ck-balloon-rotator__navigation{background:var(--ck-color-toolbar-background);border-bottom:1px solid var(--ck-color-toolbar-border);padding:0 var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation>*{margin-right:var(--ck-spacing-small);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation .ck-balloon-rotator__counter{margin-right:var(--ck-spacing-standard);margin-left:var(--ck-spacing-small)}.ck .ck-balloon-rotator__content .ck.ck-annotation-wrapper{box-shadow:none}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/balloonrotator.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/balloonrotator.css\"],\"names\":[],\"mappings\":\"AAKA,oCACC,YAAa,CACb,kBAAmB,CACnB,sBACD,CAKA,6CACC,sBACD,CCXA,oCACC,6CAA8C,CAC9C,sDAAuD,CACvD,iCAgBD,CAbC,sCACC,oCAAqC,CACrC,kCAAmC,CACnC,qCACD,CAGA,iEACC,uCAAwC,CAGxC,mCACD,CAMA,2DACC,eACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck .ck-balloon-rotator__navigation {\\n\\tdisplay: flex;\\n\\talign-items: center;\\n\\tjustify-content: center;\\n}\\n\\n/* Buttons inside a toolbar should be centered when rotator bar is wider.\\n * See: https://github.com/ckeditor/ckeditor5-ui/issues/495\\n */\\n.ck .ck-balloon-rotator__content .ck-toolbar {\\n\\tjustify-content: center;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck .ck-balloon-rotator__navigation {\\n\\tbackground: var(--ck-color-toolbar-background);\\n\\tborder-bottom: 1px solid var(--ck-color-toolbar-border);\\n\\tpadding: 0 var(--ck-spacing-small);\\n\\n\\t/* Let's keep similar appearance to `ck-toolbar`. */\\n\\t& > * {\\n\\t\\tmargin-right: var(--ck-spacing-small);\\n\\t\\tmargin-top: var(--ck-spacing-small);\\n\\t\\tmargin-bottom: var(--ck-spacing-small);\\n\\t}\\n\\n\\t/* Gives counter more breath than buttons. */\\n\\t& .ck-balloon-rotator__counter {\\n\\t\\tmargin-right: var(--ck-spacing-standard);\\n\\n\\t\\t/* We need to use smaller margin because of previous button's right margin. */\\n\\t\\tmargin-left: var(--ck-spacing-small);\\n\\t}\\n}\\n\\n.ck .ck-balloon-rotator__content {\\n\\n\\t/* Disable default annotation shadow inside rotator with fake panels. */\\n\\t& .ck.ck-annotation-wrapper {\\n\\t\\tbox-shadow: none;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck .ck-fake-panel{position:absolute;z-index:calc(var(--ck-z-modal) - 1)}.ck .ck-fake-panel div{position:absolute}.ck .ck-fake-panel div:first-child{z-index:2}.ck .ck-fake-panel div:nth-child(2){z-index:1}:root{--ck-balloon-fake-panel-offset-horizontal:6px;--ck-balloon-fake-panel-offset-vertical:6px}.ck .ck-fake-panel div{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck .ck-fake-panel div:nth-child(3){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*3);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*3)}.ck .ck-balloon-panel_arrow_s+.ck-fake-panel,.ck .ck-balloon-panel_arrow_se+.ck-fake-panel,.ck .ck-balloon-panel_arrow_sw+.ck-fake-panel{--ck-balloon-fake-panel-offset-vertical:-6px}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/fakepanel.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/fakepanel.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css\"],\"names\":[],\"mappings\":\"AAKA,mBACC,iBAAkB,CAGlB,mCACD,CAEA,uBACC,iBACD,CAEA,mCACC,SACD,CAEA,oCACC,SACD,CCfA,MACC,6CAA8C,CAC9C,2CACD,CAGA,uBCJC,oCAA8B,CDO9B,eAAgB,CAEhB,2CAA4C,CAC5C,6CAA8C,CAC9C,qCAAsC,CAEtC,UAAW,CACX,WACD,CAEA,mCACC,0DAA2D,CAC3D,uDACD,CAEA,oCACC,kEAAqE,CACrE,+DACD,CACA,oCACC,kEAAqE,CACrE,+DACD,CAGA,yIAGC,4CACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck .ck-fake-panel {\\n\\tposition: absolute;\\n\\n\\t/* Fake panels should be placed under main balloon content. */\\n\\tz-index: calc(var(--ck-z-modal) - 1);\\n}\\n\\n.ck .ck-fake-panel div {\\n\\tposition: absolute;\\n}\\n\\n.ck .ck-fake-panel div:nth-child( 1 ) {\\n\\tz-index: 2;\\n}\\n\\n.ck .ck-fake-panel div:nth-child( 2 ) {\\n\\tz-index: 1;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_shadow.css\\\";\\n\\n:root {\\n\\t--ck-balloon-fake-panel-offset-horizontal: 6px;\\n\\t--ck-balloon-fake-panel-offset-vertical: 6px;\\n}\\n\\n/* Let's use `.ck-balloon-panel` appearance. See: balloonpanel.css. */\\n.ck .ck-fake-panel div {\\n\\t@mixin ck-drop-shadow;\\n\\n\\tmin-height: 15px;\\n\\n\\tbackground: var(--ck-color-panel-background);\\n\\tborder: 1px solid var(--ck-color-panel-border);\\n\\tborder-radius: var(--ck-border-radius);\\n\\n\\twidth: 100%;\\n\\theight: 100%;\\n}\\n\\n.ck .ck-fake-panel div:nth-child( 1 ) {\\n\\tmargin-left: var(--ck-balloon-fake-panel-offset-horizontal);\\n\\tmargin-top: var(--ck-balloon-fake-panel-offset-vertical);\\n}\\n\\n.ck .ck-fake-panel div:nth-child( 2 ) {\\n\\tmargin-left: calc(var(--ck-balloon-fake-panel-offset-horizontal) * 2);\\n\\tmargin-top: calc(var(--ck-balloon-fake-panel-offset-vertical) * 2);\\n}\\n.ck .ck-fake-panel div:nth-child( 3 ) {\\n\\tmargin-left: calc(var(--ck-balloon-fake-panel-offset-horizontal) * 3);\\n\\tmargin-top: calc(var(--ck-balloon-fake-panel-offset-vertical) * 3);\\n}\\n\\n/* If balloon is positioned above element, we need to move fake panel to the top. */\\n.ck .ck-balloon-panel_arrow_s + .ck-fake-panel,\\n.ck .ck-balloon-panel_arrow_se + .ck-fake-panel,\\n.ck .ck-balloon-panel_arrow_sw + .ck-fake-panel {\\n\\t--ck-balloon-fake-panel-offset-vertical: -6px;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A helper to combine multiple shadows.\\n */\\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\\n\\tbox-shadow: $shadowA, $shadowB;\\n}\\n\\n/**\\n * Gives an element a drop shadow so it looks like a floating panel.\\n */\\n@define-mixin ck-drop-shadow {\\n\\t@mixin ck-box-shadow var(--ck-drop-shadow);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-sticky-panel .ck-sticky-panel__content_sticky{z-index:var(--ck-z-modal);position:fixed;top:0}.ck.ck-sticky-panel .ck-sticky-panel__content_sticky_bottom-limit{top:auto;position:absolute}.ck.ck-sticky-panel .ck-sticky-panel__content_sticky{box-shadow:var(--ck-drop-shadow),0 0;border-width:0 1px 1px;border-top-left-radius:0;border-top-right-radius:0}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/stickypanel.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/stickypanel.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css\"],\"names\":[],\"mappings\":\"AAMC,qDACC,yBAA0B,CAC1B,cAAe,CACf,KACD,CAEA,kEACC,QAAS,CACT,iBACD,CCPA,qDCCA,oCAA8B,CDE7B,sBAAuB,CACvB,wBAAyB,CACzB,yBACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-sticky-panel {\\n\\t& .ck-sticky-panel__content_sticky {\\n\\t\\tz-index: var(--ck-z-modal); /* #315 */\\n\\t\\tposition: fixed;\\n\\t\\ttop: 0;\\n\\t}\\n\\n\\t& .ck-sticky-panel__content_sticky_bottom-limit {\\n\\t\\ttop: auto;\\n\\t\\tposition: absolute;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_shadow.css\\\";\\n\\n.ck.ck-sticky-panel {\\n\\t& .ck-sticky-panel__content_sticky {\\n\\t\\t@mixin ck-drop-shadow;\\n\\n\\t\\tborder-width: 0 1px 1px;\\n\\t\\tborder-top-left-radius: 0;\\n\\t\\tborder-top-right-radius: 0;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A helper to combine multiple shadows.\\n */\\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\\n\\tbox-shadow: $shadowA, $shadowB;\\n}\\n\\n/**\\n * Gives an element a drop shadow so it looks like a floating panel.\\n */\\n@define-mixin ck-drop-shadow {\\n\\t@mixin ck-box-shadow var(--ck-drop-shadow);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck-vertical-form .ck-button:after{content:\\\"\\\";width:0;position:absolute;right:-1px;top:var(--ck-spacing-small);bottom:var(--ck-spacing-small);z-index:1}@media screen and (max-width:600px){.ck.ck-responsive-form .ck-button:after{content:\\\"\\\";width:0;position:absolute;right:-1px;top:var(--ck-spacing-small);bottom:var(--ck-spacing-small);z-index:1}}.ck-vertical-form>.ck-button:nth-last-child(2):after{border-right:1px solid var(--ck-color-base-border)}.ck.ck-responsive-form{padding:var(--ck-spacing-large)}.ck.ck-responsive-form:focus{outline:none}[dir=ltr] .ck.ck-responsive-form>:not(:first-child),[dir=rtl] .ck.ck-responsive-form>:not(:last-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-responsive-form{padding:0;width:calc(var(--ck-input-width)*0.8)}.ck.ck-responsive-form .ck-labeled-field-view{margin:var(--ck-spacing-large) var(--ck-spacing-large) 0}.ck.ck-responsive-form .ck-labeled-field-view .ck-input-text{min-width:0;width:100%}.ck.ck-responsive-form .ck-labeled-field-view .ck-labeled-field-view__error{white-space:normal}.ck.ck-responsive-form>.ck-button:last-child,.ck.ck-responsive-form>.ck-button:nth-last-child(2){padding:var(--ck-spacing-standard);margin-top:var(--ck-spacing-large);border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border)}[dir=ltr] .ck.ck-responsive-form>.ck-button:last-child,[dir=ltr] .ck.ck-responsive-form>.ck-button:nth-last-child(2),[dir=rtl] .ck.ck-responsive-form>.ck-button:last-child,[dir=rtl] .ck.ck-responsive-form>.ck-button:nth-last-child(2){margin-left:0}.ck.ck-responsive-form>.ck-button:nth-last-child(2):after,[dir=rtl] .ck.ck-responsive-form>.ck-button:last-child:last-of-type,[dir=rtl] .ck.ck-responsive-form>.ck-button:nth-last-child(2):last-of-type{border-right:1px solid var(--ck-color-base-border)}}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/responsive-form/responsiveform.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/responsive-form/responsiveform.css\"],\"names\":[],\"mappings\":\"AAOA,mCACC,UAAW,CACX,OAAQ,CACR,iBAAkB,CAClB,UAAW,CACX,2BAA4B,CAC5B,8BAA+B,CAC/B,SACD,CCTC,oCDaC,wCACC,UAAW,CACX,OAAQ,CACR,iBAAkB,CAClB,UAAW,CACX,2BAA4B,CAC5B,8BAA+B,CAC/B,SACD,CCnBD,CCAD,qDACC,kDACD,CAEA,uBACC,+BAkED,CAhEC,6BAEC,YACD,CASC,uGACC,sCACD,CDvBD,oCCMD,uBAqBE,SAAU,CACV,qCA6CF,CA3CE,8CACC,wDAWD,CATC,6DACC,WAAY,CACZ,UACD,CAGA,4EACC,kBACD,CAID,iGAEC,kCAAmC,CACnC,kCAAmC,CAEnC,eAAgB,CAChB,QAAS,CACT,gDAaD,CApBA,0OAcE,aAMF,CAGC,yMACC,kDACD,CDpEF\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\\\";\\n\\n.ck-vertical-form .ck-button::after {\\n\\tcontent: \\\"\\\";\\n\\twidth: 0;\\n\\tposition: absolute;\\n\\tright: -1px;\\n\\ttop: var(--ck-spacing-small);\\n\\tbottom: var(--ck-spacing-small);\\n\\tz-index: 1;\\n}\\n\\n.ck.ck-responsive-form {\\n\\t@mixin ck-media-phone {\\n\\t\\t& .ck-button::after {\\n\\t\\t\\tcontent: \\\"\\\";\\n\\t\\t\\twidth: 0;\\n\\t\\t\\tposition: absolute;\\n\\t\\t\\tright: -1px;\\n\\t\\t\\ttop: var(--ck-spacing-small);\\n\\t\\t\\tbottom: var(--ck-spacing-small);\\n\\t\\t\\tz-index: 1;\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@define-mixin ck-media-phone {\\n\\t@media screen and (max-width: 600px) {\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css\\\";\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n\\n.ck-vertical-form > .ck-button:nth-last-child(2)::after {\\n\\tborder-right: 1px solid var(--ck-color-base-border);\\n}\\n\\n.ck.ck-responsive-form {\\n\\tpadding: var(--ck-spacing-large);\\n\\n\\t&:focus {\\n\\t\\t/* See: https://github.com/ckeditor/ckeditor5/issues/4773 */\\n\\t\\toutline: none;\\n\\t}\\n\\n\\t@mixin ck-dir ltr {\\n\\t\\t& > :not(:first-child) {\\n\\t\\t\\tmargin-left: var(--ck-spacing-standard);\\n\\t\\t}\\n\\t}\\n\\n\\t@mixin ck-dir rtl {\\n\\t\\t& > :not(:last-child) {\\n\\t\\t\\tmargin-left: var(--ck-spacing-standard);\\n\\t\\t}\\n\\t}\\n\\n\\t@mixin ck-media-phone {\\n\\t\\tpadding: 0;\\n\\t\\twidth: calc(.8 * var(--ck-input-width));\\n\\n\\t\\t& .ck-labeled-field-view {\\n\\t\\t\\tmargin: var(--ck-spacing-large) var(--ck-spacing-large) 0;\\n\\n\\t\\t\\t& .ck-input-text {\\n\\t\\t\\t\\tmin-width: 0;\\n\\t\\t\\t\\twidth: 100%;\\n\\t\\t\\t}\\n\\n\\t\\t\\t/* Let the long error messages wrap in the narrow form. */\\n\\t\\t\\t& .ck-labeled-field-view__error {\\n\\t\\t\\t\\twhite-space: normal;\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t/* Styles for two last buttons in the form (save&cancel, edit&unlink, etc.). */\\n\\t\\t& > .ck-button:nth-last-child(1),\\n\\t\\t& > .ck-button:nth-last-child(2) {\\n\\t\\t\\tpadding: var(--ck-spacing-standard);\\n\\t\\t\\tmargin-top: var(--ck-spacing-large);\\n\\n\\t\\t\\tborder-radius: 0;\\n\\t\\t\\tborder: 0;\\n\\t\\t\\tborder-top: 1px solid var(--ck-color-base-border);\\n\\n\\t\\t\\t@mixin ck-dir ltr {\\n\\t\\t\\t\\tmargin-left: 0;\\n\\t\\t\\t}\\n\\n\\t\\t\\t@mixin ck-dir rtl {\\n\\t\\t\\t\\tmargin-left: 0;\\n\\n\\t\\t\\t\\t&:last-of-type {\\n\\t\\t\\t\\t\\tborder-right: 1px solid var(--ck-color-base-border);\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t& > .ck-button:nth-last-child(2) {\\n\\t\\t\\t&::after {\\n\\t\\t\\t\\tborder-right: 1px solid var(--ck-color-base-border);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-block-toolbar-button{position:absolute;z-index:var(--ck-z-default)}:root{--ck-color-block-toolbar-button:var(--ck-color-text);--ck-block-toolbar-button-size:var(--ck-font-size-normal)}.ck.ck-block-toolbar-button{color:var(--ck-color-block-toolbar-button);font-size:var(--ck-block-toolbar-size)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/toolbar/blocktoolbar.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/toolbar/blocktoolbar.css\"],\"names\":[],\"mappings\":\"AAKA,4BACC,iBAAkB,CAClB,2BACD,CCHA,MACC,oDAAqD,CACrD,yDACD,CAEA,4BACC,0CAA2C,CAC3C,sCACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-block-toolbar-button {\\n\\tposition: absolute;\\n\\tz-index: var(--ck-z-default);\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-color-block-toolbar-button: var(--ck-color-text);\\n\\t--ck-block-toolbar-button-size: var(--ck-font-size-normal);\\n}\\n\\n.ck.ck-block-toolbar-button {\\n\\tcolor: var(--ck-color-block-toolbar-button);\\n\\tfont-size: var(--ck-block-toolbar-size);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-toolbar{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-flow:row nowrap;align-items:center}.ck.ck-toolbar>.ck-toolbar__items{display:flex;flex-flow:row wrap;align-items:center;flex-grow:1}.ck.ck-toolbar .ck.ck-toolbar__separator{display:inline-block}.ck.ck-toolbar .ck.ck-toolbar__separator:first-child,.ck.ck-toolbar .ck.ck-toolbar__separator:last-child{display:none}.ck.ck-toolbar .ck-toolbar__line-break{flex-basis:100%}.ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items{flex-wrap:nowrap}.ck.ck-toolbar.ck-toolbar_vertical>.ck-toolbar__items{flex-direction:column}.ck.ck-toolbar.ck-toolbar_floating>.ck-toolbar__items{flex-wrap:nowrap}.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown>.ck-dropdown__button .ck-dropdown__arrow{display:none}.ck.ck-toolbar{border-radius:0}.ck-rounded-corners .ck.ck-toolbar,.ck.ck-toolbar.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-toolbar{background:var(--ck-color-toolbar-background);padding:0 var(--ck-spacing-small);border:1px solid var(--ck-color-toolbar-border)}.ck.ck-toolbar .ck.ck-toolbar__separator{align-self:stretch;width:1px;min-width:1px;background:var(--ck-color-toolbar-border);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck.ck-toolbar .ck-toolbar__line-break{height:0}.ck.ck-toolbar>.ck-toolbar__items>:not(.ck-toolbar__line-break){margin-right:var(--ck-spacing-small)}.ck.ck-toolbar>.ck-toolbar__items:empty+.ck.ck-toolbar__separator{display:none}.ck.ck-toolbar>.ck-toolbar__items>:not(.ck-toolbar__line-break),.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown{margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck.ck-toolbar.ck-toolbar_vertical{padding:0}.ck.ck-toolbar.ck-toolbar_vertical>.ck-toolbar__items>.ck{width:100%;margin:0;border-radius:0;border:0}.ck.ck-toolbar.ck-toolbar_compact{padding:0}.ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>*{margin:0}.ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>:not(:first-child):not(:last-child){border-radius:0}.ck.ck-toolbar>.ck.ck-toolbar__grouped-dropdown>.ck.ck-button.ck-dropdown__button{padding-left:var(--ck-spacing-tiny)}.ck-toolbar-container .ck.ck-toolbar{border:0}.ck.ck-toolbar[dir=rtl]>.ck-toolbar__items>.ck,[dir=rtl] .ck.ck-toolbar>.ck-toolbar__items>.ck{margin-right:0}.ck.ck-toolbar[dir=rtl]:not(.ck-toolbar_compact)>.ck-toolbar__items>.ck,[dir=rtl] .ck.ck-toolbar:not(.ck-toolbar_compact)>.ck-toolbar__items>.ck{margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=rtl]>.ck-toolbar__items>.ck:last-child,[dir=rtl] .ck.ck-toolbar>.ck-toolbar__items>.ck:last-child{margin-left:0}.ck.ck-toolbar[dir=rtl].ck-toolbar_compact>.ck-toolbar__items>.ck:first-child,[dir=rtl] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:first-child{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-toolbar[dir=rtl].ck-toolbar_compact>.ck-toolbar__items>.ck:last-child,[dir=rtl] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:last-child{border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-toolbar[dir=rtl]>.ck.ck-toolbar__separator,[dir=rtl] .ck.ck-toolbar>.ck.ck-toolbar__separator{margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=rtl].ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child),[dir=rtl] .ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child){margin-left:var(--ck-spacing-small)}.ck.ck-toolbar[dir=ltr]>.ck-toolbar__items>.ck:last-child,[dir=ltr] .ck.ck-toolbar>.ck-toolbar__items>.ck:last-child{margin-right:0}.ck.ck-toolbar[dir=ltr].ck-toolbar_compact>.ck-toolbar__items>.ck:first-child,[dir=ltr] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.ck.ck-toolbar[dir=ltr].ck-toolbar_compact>.ck-toolbar__items>.ck:last-child,[dir=ltr] .ck.ck-toolbar.ck-toolbar_compact>.ck-toolbar__items>.ck:last-child{border-top-left-radius:0;border-bottom-left-radius:0}.ck.ck-toolbar[dir=ltr]>.ck.ck-toolbar__separator,[dir=ltr] .ck.ck-toolbar>.ck.ck-toolbar__separator{margin-right:var(--ck-spacing-small)}.ck.ck-toolbar[dir=ltr].ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child),[dir=ltr] .ck.ck-toolbar.ck-toolbar_grouping>.ck-toolbar__items:not(:empty):not(:only-child){margin-right:var(--ck-spacing-small)}\", 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* Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../mixins/_unselectable.css\\\";\\n\\n.ck.ck-toolbar {\\n\\t@mixin ck-unselectable;\\n\\n\\tdisplay: flex;\\n\\tflex-flow: row nowrap;\\n\\talign-items: center;\\n\\n\\t& > .ck-toolbar__items {\\n\\t\\tdisplay: flex;\\n\\t\\tflex-flow: row wrap;\\n\\t\\talign-items: center;\\n\\t\\tflex-grow: 1;\\n\\n\\t}\\n\\n\\t& .ck.ck-toolbar__separator {\\n\\t\\tdisplay: inline-block;\\n\\n\\t\\t/*\\n\\t\\t * A leading or trailing separator makes no sense (separates from nothing on one side).\\n\\t\\t * For instance, it can happen when toolbar items (also separators) are getting grouped one by one and\\n\\t\\t * moved to another toolbar in the dropdown.\\n\\t\\t */\\n\\t\\t&:first-child,\\n\\t\\t&:last-child {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n\\n\\t& .ck-toolbar__line-break {\\n\\t\\tflex-basis: 100%;\\n\\t}\\n\\n\\t&.ck-toolbar_grouping > .ck-toolbar__items {\\n\\t\\tflex-wrap: nowrap;\\n\\t}\\n\\n\\t&.ck-toolbar_vertical > .ck-toolbar__items {\\n\\t\\tflex-direction: column;\\n\\t}\\n\\n\\t&.ck-toolbar_floating > .ck-toolbar__items {\\n\\t\\tflex-wrap: nowrap;\\n\\t}\\n\\n\\t& > .ck.ck-toolbar__grouped-dropdown {\\n\\t\\t& > .ck-dropdown__button .ck-dropdown__arrow {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Makes element unselectable.\\n */\\n@define-mixin ck-unselectable {\\n\\t-moz-user-select: none;\\n\\t-webkit-user-select: none;\\n\\t-ms-user-select: none;\\n\\tuser-select: none\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n@import \\\"@ckeditor/ckeditor5-ui/theme/mixins/_dir.css\\\";\\n\\n.ck.ck-toolbar {\\n\\t@mixin ck-rounded-corners;\\n\\n\\tbackground: var(--ck-color-toolbar-background);\\n\\tpadding: 0 var(--ck-spacing-small);\\n\\tborder: 1px solid var(--ck-color-toolbar-border);\\n\\n\\t& .ck.ck-toolbar__separator {\\n\\t\\talign-self: stretch;\\n\\t\\twidth: 1px;\\n\\t\\tmin-width: 1px;\\n\\t\\tbackground: var(--ck-color-toolbar-border);\\n\\n\\t\\t/*\\n\\t\\t * These margins make the separators look better in balloon toolbars (when aligned with the \\\"tip\\\").\\n\\t\\t * See https://github.com/ckeditor/ckeditor5/issues/7493.\\n\\t\\t */\\n\\t\\tmargin-top: var(--ck-spacing-small);\\n\\t\\tmargin-bottom: var(--ck-spacing-small);\\n\\t}\\n\\n\\t& .ck-toolbar__line-break {\\n\\t\\theight: 0;\\n\\t}\\n\\n\\t& > .ck-toolbar__items {\\n\\t\\t& > *:not(.ck-toolbar__line-break) {\\n\\t\\t\\t/* (#11) Separate toolbar items. */\\n\\t\\t\\tmargin-right: var(--ck-spacing-small);\\n\\t\\t}\\n\\n\\t\\t/* Don't display a separator after an empty items container, for instance,\\n\\t\\twhen all items were grouped */\\n\\t\\t&:empty + .ck.ck-toolbar__separator {\\n\\t\\t\\tdisplay: none;\\n\\t\\t}\\n\\t}\\n\\n\\t& > .ck-toolbar__items > *:not(.ck-toolbar__line-break),\\n\\t& > .ck.ck-toolbar__grouped-dropdown {\\n\\t\\t/* Make sure items wrapped to the next line have v-spacing */\\n\\t\\tmargin-top: var(--ck-spacing-small);\\n\\t\\tmargin-bottom: var(--ck-spacing-small);\\n\\t}\\n\\n\\t&.ck-toolbar_vertical {\\n\\t\\t/* Items in a vertical toolbar span the entire width. */\\n\\t\\tpadding: 0;\\n\\n\\t\\t/* Specificity matters here. See https://github.com/ckeditor/ckeditor5-theme-lark/issues/168. */\\n\\t\\t& > .ck-toolbar__items > .ck {\\n\\t\\t\\t/* Items in a vertical toolbar should span the horizontal space. */\\n\\t\\t\\twidth: 100%;\\n\\n\\t\\t\\t/* Items in a vertical toolbar should have no margin. */\\n\\t\\t\\tmargin: 0;\\n\\n\\t\\t\\t/* Items in a vertical toolbar span the entire width so rounded corners are pointless. */\\n\\t\\t\\tborder-radius: 0;\\n\\n\\t\\t\\t/* Items in a vertical toolbar span the entire width so any border is pointless. */\\n\\t\\t\\tborder: 0;\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-toolbar_compact {\\n\\t\\t/* No spacing around items. */\\n\\t\\tpadding: 0;\\n\\n\\t\\t& > .ck-toolbar__items > * {\\n\\t\\t\\t/* Compact toolbar items have no spacing between them. */\\n\\t\\t\\tmargin: 0;\\n\\n\\t\\t\\t/* \\\"Middle\\\" children should have no rounded corners. */\\n\\t\\t\\t&:not(:first-child):not(:last-child) {\\n\\t\\t\\t\\tborder-radius: 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t& > .ck.ck-toolbar__grouped-dropdown {\\n\\t\\t/*\\n\\t\\t * Dropdown button has asymmetric padding to fit the arrow.\\n\\t\\t * This button has no arrow so let's revert that padding back to normal.\\n\\t\\t */\\n\\t\\t& > .ck.ck-button.ck-dropdown__button {\\n\\t\\t\\tpadding-left: var(--ck-spacing-tiny);\\n\\t\\t}\\n\\t}\\n\\n\\t@nest .ck-toolbar-container & {\\n\\t\\tborder: 0;\\n\\t}\\n}\\n\\n/* stylelint-disable */\\n\\n/*\\n * Styles for RTL toolbars.\\n *\\n * Note: In some cases (e.g. a decoupled editor), the toolbar has its own \\\"dir\\\"\\n * because its parent is not controlled by the editor framework.\\n */\\n[dir=\\\"rtl\\\"] .ck.ck-toolbar,\\n.ck.ck-toolbar[dir=\\\"rtl\\\"] {\\n\\t& > .ck-toolbar__items > .ck {\\n\\t\\tmargin-right: 0;\\n\\t}\\n\\n\\t&:not(.ck-toolbar_compact) > .ck-toolbar__items > .ck {\\n\\t\\t/* (#11) Separate toolbar items. */\\n\\t\\tmargin-left: var(--ck-spacing-small);\\n\\t}\\n\\n\\t& > .ck-toolbar__items > .ck:last-child {\\n\\t\\tmargin-left: 0;\\n\\t}\\n\\n\\t&.ck-toolbar_compact > .ck-toolbar__items > .ck {\\n\\t\\t/* No rounded corners on the right side of the first child. */\\n\\t\\t&:first-child {\\n\\t\\t\\tborder-top-left-radius: 0;\\n\\t\\t\\tborder-bottom-left-radius: 0;\\n\\t\\t}\\n\\n\\t\\t/* No rounded corners on the left side of the last child. */\\n\\t\\t&:last-child {\\n\\t\\t\\tborder-top-right-radius: 0;\\n\\t\\t\\tborder-bottom-right-radius: 0;\\n\\t\\t}\\n\\t}\\n\\n\\t/* Separate the the separator form the grouping dropdown when some items are grouped. */\\n\\t& > .ck.ck-toolbar__separator {\\n\\t\\tmargin-left: var(--ck-spacing-small);\\n\\t}\\n\\n\\t/* Some spacing between the items and the separator before the grouped items dropdown. */\\n\\t&.ck-toolbar_grouping > .ck-toolbar__items:not(:empty):not(:only-child) {\\n\\t\\tmargin-left: var(--ck-spacing-small);\\n\\t}\\n}\\n\\n/*\\n * Styles for LTR toolbars.\\n *\\n * Note: In some cases (e.g. a decoupled editor), the toolbar has its own \\\"dir\\\"\\n * because its parent is not controlled by the editor framework.\\n */\\n[dir=\\\"ltr\\\"] .ck.ck-toolbar,\\n.ck.ck-toolbar[dir=\\\"ltr\\\"] {\\n\\t& > .ck-toolbar__items > .ck:last-child {\\n\\t\\tmargin-right: 0;\\n\\t}\\n\\n\\t&.ck-toolbar_compact > .ck-toolbar__items > .ck {\\n\\t\\t/* No rounded corners on the right side of the first child. */\\n\\t\\t&:first-child {\\n\\t\\t\\tborder-top-right-radius: 0;\\n\\t\\t\\tborder-bottom-right-radius: 0;\\n\\t\\t}\\n\\n\\t\\t/* No rounded corners on the left side of the last child. */\\n\\t\\t&:last-child {\\n\\t\\t\\tborder-top-left-radius: 0;\\n\\t\\t\\tborder-bottom-left-radius: 0;\\n\\t\\t}\\n\\t}\\n\\n\\t/* Separate the the separator form the grouping dropdown when some items are grouped. */\\n\\t& > .ck.ck-toolbar__separator {\\n\\t\\tmargin-right: var(--ck-spacing-small);\\n\\t}\\n\\n\\t/* Some spacing between the items and the separator before the grouped items dropdown. */\\n\\t&.ck-toolbar_grouping > .ck-toolbar__items:not(:empty):not(:only-child) {\\n\\t\\tmargin-right: var(--ck-spacing-small);\\n\\t}\\n}\\n\\n/* stylelint-enable */\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck.ck-tooltip,.ck.ck-tooltip .ck-tooltip__text:after{position:absolute;pointer-events:none;-webkit-backface-visibility:hidden}.ck.ck-tooltip{visibility:hidden;opacity:0;display:none;z-index:var(--ck-z-modal)}.ck.ck-tooltip .ck-tooltip__text{display:inline-block}.ck.ck-tooltip .ck-tooltip__text:after{content:\\\"\\\";width:0;height:0}:root{--ck-tooltip-arrow-size:5px}.ck.ck-tooltip{left:50%;top:0;transition:opacity .2s ease-in-out .2s}.ck.ck-tooltip .ck-tooltip__text{border-radius:0}.ck-rounded-corners .ck.ck-tooltip .ck-tooltip__text,.ck.ck-tooltip .ck-tooltip__text.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-tooltip .ck-tooltip__text{font-size:.9em;line-height:1.5;color:var(--ck-color-tooltip-text);padding:var(--ck-spacing-small) var(--ck-spacing-medium);background:var(--ck-color-tooltip-background);position:relative;left:-50%}.ck.ck-tooltip .ck-tooltip__text:after{transition:opacity .2s ease-in-out .2s;border-style:solid;left:50%}.ck.ck-tooltip.ck-tooltip_s,.ck.ck-tooltip.ck-tooltip_se,.ck.ck-tooltip.ck-tooltip_sw{bottom:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateY(100%)}.ck.ck-tooltip.ck-tooltip_s .ck-tooltip__text:after,.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text:after,.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text:after{top:calc(var(--ck-tooltip-arrow-size)*-1 + 1px);transform:translateX(-50%);border-left-color:transparent;border-bottom-color:var(--ck-color-tooltip-background);border-right-color:transparent;border-top-color:transparent;border-left-width:var(--ck-tooltip-arrow-size);border-bottom-width:var(--ck-tooltip-arrow-size);border-right-width:var(--ck-tooltip-arrow-size);border-top-width:0}.ck.ck-tooltip.ck-tooltip_sw{right:50%;left:auto}.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text{left:auto;right:calc(var(--ck-tooltip-arrow-size)*-2)}.ck.ck-tooltip.ck-tooltip_sw .ck-tooltip__text:after{left:auto;right:0}.ck.ck-tooltip.ck-tooltip_se{left:50%;right:auto}.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text{right:auto;left:calc(var(--ck-tooltip-arrow-size)*-2)}.ck.ck-tooltip.ck-tooltip_se .ck-tooltip__text:after{right:auto;left:0;transform:translateX(50%)}.ck.ck-tooltip.ck-tooltip_n{top:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateY(-100%)}.ck.ck-tooltip.ck-tooltip_n .ck-tooltip__text:after{bottom:calc(var(--ck-tooltip-arrow-size)*-1);transform:translateX(-50%);border-left-color:transparent;border-bottom-color:transparent;border-right-color:transparent;border-top-color:var(--ck-color-tooltip-background);border-left-width:var(--ck-tooltip-arrow-size);border-bottom-width:0;border-right-width:var(--ck-tooltip-arrow-size);border-top-width:var(--ck-tooltip-arrow-size)}.ck.ck-tooltip.ck-tooltip_e{left:calc(100% + var(--ck-tooltip-arrow-size));top:50%}.ck.ck-tooltip.ck-tooltip_e .ck-tooltip__text{left:0;transform:translateY(-50%)}.ck.ck-tooltip.ck-tooltip_e .ck-tooltip__text:after{left:calc(var(--ck-tooltip-arrow-size)*-1);top:calc(50% - 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All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck.ck-tooltip,\\n.ck.ck-tooltip .ck-tooltip__text::after {\\n\\tposition: absolute;\\n\\n\\t/* Without this, hovering the tooltip could keep it visible. */\\n\\tpointer-events: none;\\n\\n\\t/* This is to get rid of flickering when transitioning opacity in Chrome.\\n\\tIt's weird but it works. */\\n\\t-webkit-backface-visibility: hidden;\\n}\\n\\n.ck.ck-tooltip {\\n\\t/* Tooltip is hidden by default. */\\n\\tvisibility: hidden;\\n\\topacity: 0;\\n\\tdisplay: none;\\n\\tz-index: var(--ck-z-modal);\\n\\n\\t& .ck-tooltip__text {\\n\\t\\tdisplay: inline-block;\\n\\n\\t\\t&::after {\\n\\t\\t\\tcontent: \\\"\\\";\\n\\t\\t\\twidth: 0;\\n\\t\\t\\theight: 0;\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../../../mixins/_rounded.css\\\";\\n\\n:root {\\n\\t--ck-tooltip-arrow-size: 5px;\\n}\\n\\n.ck.ck-tooltip {\\n\\tleft: 50%;\\n\\n\\t/*\\n\\t * Prevent blurry tooltips in LoDPI environments.\\n\\t * See https://github.com/ckeditor/ckeditor5/issues/1802.\\n\\t */\\n\\ttop: 0;\\n\\n\\t/*\\n\\t * For the transition to work, the tooltip must be controlled\\n\\t * using visibility+opacity. A delay prevents a \\\"tooltip avalanche\\\"\\n\\t * i.e. when scanning the toolbar with mouse cursor.\\n\\t */\\n\\ttransition: opacity .2s ease-in-out .2s;\\n\\n\\t& .ck-tooltip__text {\\n\\t\\t@mixin ck-rounded-corners;\\n\\n\\t\\tfont-size: .9em;\\n\\t\\tline-height: 1.5;\\n\\t\\tcolor: var(--ck-color-tooltip-text);\\n\\t\\tpadding: var(--ck-spacing-small) var(--ck-spacing-medium);\\n\\t\\tbackground: var(--ck-color-tooltip-background);\\n\\t\\tposition: relative;\\n\\t\\tleft: -50%;\\n\\n\\t\\t&::after {\\n\\t\\t\\t/*\\n\\t\\t\\t * For the transition to work, the tooltip must be controlled\\n\\t\\t\\t * using visibility+opacity. A delay prevents a \\\"tooltip avalanche\\\"\\n\\t\\t\\t * i.e. when scanning the toolbar with mouse cursor.\\n\\t\\t\\t */\\n\\t\\t\\ttransition: opacity .2s ease-in-out .2s;\\n\\t\\t\\tborder-style: solid;\\n\\t\\t\\tleft: 50%;\\n\\t\\t}\\n\\t}\\n\\n\\t/**\\n\\t * A class that displays the tooltip south of the element.\\n\\t *\\n\\t *       [element]\\n\\t *           ^\\n\\t *     +-----------+\\n\\t *     |  Tooltip  |\\n\\t *     +-----------+\\n\\t */\\n\\t&.ck-tooltip_s,\\n\\t&.ck-tooltip_sw,\\n\\t&.ck-tooltip_se {\\n\\t\\tbottom: calc(-1 * var(--ck-tooltip-arrow-size));\\n\\t\\ttransform: translateY( 100% );\\n\\n\\t\\t& .ck-tooltip__text::after {\\n\\t\\t\\t/* 1px addresses gliches in rendering causing gap between the triangle and the text */\\n\\t\\t\\ttop: calc(-1 * var(--ck-tooltip-arrow-size) + 1px);\\n\\t\\t\\ttransform: translateX( -50% );\\n\\t\\t\\tborder-color: transparent transparent var(--ck-color-tooltip-background) transparent;\\n\\t\\t\\tborder-width: 0 var(--ck-tooltip-arrow-size) var(--ck-tooltip-arrow-size) var(--ck-tooltip-arrow-size);\\n\\t\\t}\\n\\t}\\n\\n\\t/**\\n\\t * A class that displays the tooltip south-west of the element.\\n\\t *\\n\\t *        [element]\\n\\t *            ^\\n\\t *  +-----------+\\n\\t *  |  Tooltip  |\\n\\t *  +-----------+\\n\\t */\\n\\n\\t&.ck-tooltip_sw {\\n\\t\\tright: 50%;\\n\\t\\tleft: auto;\\n\\n\\t\\t& .ck-tooltip__text {\\n\\t\\t\\tleft: auto;\\n\\t\\t\\tright: calc( -2 * var(--ck-tooltip-arrow-size));\\n\\t\\t}\\n\\n\\t\\t& .ck-tooltip__text::after {\\n\\t\\t\\tleft: auto;\\n\\t\\t\\tright: 0;\\n\\t\\t}\\n\\t}\\n\\n\\t/**\\n\\t * A class that displays the tooltip south-east of the element.\\n\\t *\\n\\t *  [element]\\n\\t *      ^\\n\\t *    +-----------+\\n\\t *    |  Tooltip  |\\n\\t *    +-----------+\\n\\t */\\n\\t&.ck-tooltip_se {\\n\\t\\tleft: 50%;\\n\\t\\tright: auto;\\n\\n\\t\\t& .ck-tooltip__text {\\n\\t\\t\\tright: auto;\\n\\t\\t\\tleft: calc( -2 * var(--ck-tooltip-arrow-size));\\n\\t\\t}\\n\\n\\t\\t& .ck-tooltip__text::after {\\n\\t\\t\\tright: auto;\\n\\t\\t\\tleft: 0;\\n\\t\\t\\ttransform: translateX( 50% );\\n\\t\\t}\\n\\t}\\n\\n\\t/**\\n\\t * A class that displays the tooltip north of the element.\\n\\t *\\n\\t *     +-----------+\\n\\t *     |  Tooltip  |\\n\\t *     +-----------+\\n\\t *           V\\n\\t *       [element]\\n\\t */\\n\\t&.ck-tooltip_n {\\n\\t\\ttop: calc(-1 * var(--ck-tooltip-arrow-size));\\n\\t\\ttransform: translateY( -100% );\\n\\n\\t\\t& .ck-tooltip__text::after {\\n\\t\\t\\tbottom: calc(-1 * var(--ck-tooltip-arrow-size));\\n\\t\\t\\ttransform: translateX( -50% );\\n\\t\\t\\tborder-color: var(--ck-color-tooltip-background) transparent transparent transparent;\\n\\t\\t\\tborder-width: var(--ck-tooltip-arrow-size) var(--ck-tooltip-arrow-size) 0 var(--ck-tooltip-arrow-size);\\n\\t\\t}\\n\\t}\\n\\n\\t/**\\n\\t * A class that displays the tooltip east of the element.\\n\\t *\\n\\t *                +----------+\\n\\t *    [element] < |   east   |\\n\\t *                +----------+\\n\\t */\\n\\t&.ck-tooltip_e {\\n\\t\\tleft: calc(100% + var(--ck-tooltip-arrow-size));\\n\\t\\ttop: 50%;\\n\\n\\t\\t& .ck-tooltip__text {\\n\\t\\t\\tleft: 0;\\n\\t\\t\\ttransform: translateY( -50% );\\n\\n\\t\\t\\t&::after {\\n\\t\\t\\t\\tleft: calc(-1 * var(--ck-tooltip-arrow-size));\\n\\t\\t\\t\\ttop: calc(50% - 1 * var(--ck-tooltip-arrow-size));\\n\\t\\t\\t\\tborder-color: transparent var(--ck-color-tooltip-background) transparent transparent;\\n\\t\\t\\t\\tborder-width: var(--ck-tooltip-arrow-size) var(--ck-tooltip-arrow-size) var(--ck-tooltip-arrow-size) 0;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t/**\\n\\t * A class that displays the tooltip west of the element.\\n\\t *\\n\\t *    +----------+\\n\\t *    |   west   | > [element]\\n\\t *    +----------+\\n\\t */\\n\\t&.ck-tooltip_w {\\n\\t\\tright: calc(100% + var(--ck-tooltip-arrow-size));\\n\\t\\tleft: auto;\\n\\t\\ttop: 50%;\\n\\n\\t\\t& .ck-tooltip__text {\\n\\t\\t\\tleft: 0;\\n\\t\\t\\ttransform: translateY( -50% );\\n\\n\\t\\t\\t&::after {\\n\\t\\t\\t\\tleft: 100%;\\n\\t\\t\\t\\ttop: calc(50% - 1 * var(--ck-tooltip-arrow-size));\\n\\t\\t\\t\\tborder-color: transparent transparent transparent var(--ck-color-tooltip-background);\\n\\t\\t\\t\\tborder-width: var(--ck-tooltip-arrow-size) 0 var(--ck-tooltip-arrow-size) var(--ck-tooltip-arrow-size);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Implements rounded corner interface for .ck-rounded-corners class.\\n *\\n * @see $ck-border-radius\\n */\\n@define-mixin ck-rounded-corners {\\n\\tborder-radius: 0;\\n\\n\\t@nest .ck-rounded-corners &,\\n\\t&.ck-rounded-corners {\\n\\t\\tborder-radius: var(--ck-border-radius);\\n\\t\\t@mixin-content;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck-hidden{display:none!important}.ck.ck-reset,.ck.ck-reset_all,.ck.ck-reset_all 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*{transition:none!important}:root{--ck-color-base-foreground:#fafafa;--ck-color-base-background:#fff;--ck-color-base-border:#c4c4c4;--ck-color-base-action:#61b045;--ck-color-base-focus:#6cb5f9;--ck-color-base-text:#333;--ck-color-base-active:#198cf0;--ck-color-base-active-focus:#0e7fe1;--ck-color-base-error:#db3700;--ck-color-focus-border-coordinates:208,79%,51%;--ck-color-focus-border:hsl(var(--ck-color-focus-border-coordinates));--ck-color-focus-outer-shadow:#bcdefb;--ck-color-focus-disabled-shadow:rgba(119,186,248,0.3);--ck-color-focus-error-shadow:rgba(255,64,31,0.3);--ck-color-text:var(--ck-color-base-text);--ck-color-shadow-drop:rgba(0,0,0,0.15);--ck-color-shadow-drop-active:rgba(0,0,0,0.2);--ck-color-shadow-inner:rgba(0,0,0,0.1);--ck-color-button-default-background:transparent;--ck-color-button-default-hover-background:#e6e6e6;--ck-color-button-default-active-background:#d9d9d9;--ck-color-button-default-active-shadow:#bfbfbf;--ck-color-button-default-disabled-background:transparent;--ck-color-button-on-background:#dedede;--ck-color-button-on-hover-background:#c4c4c4;--ck-color-button-on-active-background:#bababa;--ck-color-button-on-active-shadow:#a1a1a1;--ck-color-button-on-disabled-background:#dedede;--ck-color-button-action-background:var(--ck-color-base-action);--ck-color-button-action-hover-background:#579e3d;--ck-color-button-action-active-background:#53973b;--ck-color-button-action-active-shadow:#498433;--ck-color-button-action-disabled-background:#7ec365;--ck-color-button-action-text:var(--ck-color-base-background);--ck-color-button-save:#008a00;--ck-color-button-cancel:#db3700;--ck-color-switch-button-off-background:#b0b0b0;--ck-color-switch-button-off-hover-background:#a3a3a3;--ck-color-switch-button-on-background:var(--ck-color-button-action-background);--ck-color-switch-button-on-hover-background:#579e3d;--ck-color-switch-button-inner-background:var(--ck-color-base-background);--ck-color-switch-button-inner-shadow:rgba(0,0,0,0.1);--ck-color-dropdown-panel-background:var(--ck-color-base-background);--ck-color-dropdown-panel-border:var(--ck-color-base-border);--ck-color-input-background:var(--ck-color-base-background);--ck-color-input-border:#c7c7c7;--ck-color-input-error-border:var(--ck-color-base-error);--ck-color-input-text:var(--ck-color-base-text);--ck-color-input-disabled-background:#f2f2f2;--ck-color-input-disabled-border:#c7c7c7;--ck-color-input-disabled-text:#757575;--ck-color-list-background:var(--ck-color-base-background);--ck-color-list-button-hover-background:var(--ck-color-button-default-hover-background);--ck-color-list-button-on-background:var(--ck-color-base-active);--ck-color-list-button-on-background-focus:var(--ck-color-base-active-focus);--ck-color-list-button-on-text:var(--ck-color-base-background);--ck-color-panel-background:var(--ck-color-base-background);--ck-color-panel-border:var(--ck-color-base-border);--ck-color-toolbar-background:var(--ck-color-base-foreground);--ck-color-toolbar-border:var(--ck-color-base-border);--ck-color-tooltip-background:var(--ck-color-base-text);--ck-color-tooltip-text:var(--ck-color-base-background);--ck-color-engine-placeholder-text:#707070;--ck-color-upload-bar-background:#6cb5f9;--ck-color-link-default:#0000f0;--ck-color-link-selected-background:rgba(31,177,255,0.1);--ck-color-link-fake-selection:rgba(31,177,255,0.3);--ck-disabled-opacity:.5;--ck-focus-outer-shadow-geometry:0 0 0 3px;--ck-focus-outer-shadow:var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-outer-shadow);--ck-focus-disabled-outer-shadow:var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-disabled-shadow);--ck-focus-error-outer-shadow:var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-error-shadow);--ck-focus-ring:1px solid var(--ck-color-focus-border);--ck-font-size-base:13px;--ck-line-height-base:1.84615;--ck-font-face:Helvetica,Arial,Tahoma,Verdana,Sans-Serif;--ck-font-size-tiny:0.7em;--ck-font-size-small:0.75em;--ck-font-size-normal:1em;--ck-font-size-big:1.4em;--ck-font-size-large:1.8em;--ck-ui-component-min-height:2.3em}.ck.ck-reset,.ck.ck-reset_all,.ck.ck-reset_all *{margin:0;padding:0;border:0;background:transparent;text-decoration:none;vertical-align:middle;transition:none;word-wrap:break-word}.ck.ck-reset_all,.ck.ck-reset_all *{border-collapse:collapse;font:normal normal normal var(--ck-font-size-base)/var(--ck-line-height-base) 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58%);\\n\\t--ck-color-button-action-text: \\t\\t\\t\\t\\t\\t\\t\\tvar(--ck-color-base-background);\\n\\n\\t--ck-color-button-save: \\t\\t\\t\\t\\t\\t\\t\\t\\thsl(120, 100%, 27%);\\n\\t--ck-color-button-cancel: \\t\\t\\t\\t\\t\\t\\t\\t\\thsl(15, 100%, 43%);\\n\\n\\t--ck-color-switch-button-off-background:\\t\\t\\t\\t\\thsl(0, 0%, 69%);\\n\\t--ck-color-switch-button-off-hover-background:\\t\\t\\t\\thsl(0, 0%, 64%);\\n\\t--ck-color-switch-button-on-background:\\t\\t\\t\\t\\t\\tvar(--ck-color-button-action-background);\\n\\t--ck-color-switch-button-on-hover-background:\\t\\t\\t\\thsl(104, 44%, 43%);\\n\\t--ck-color-switch-button-inner-background:\\t\\t\\t\\t\\tvar(--ck-color-base-background);\\n\\t--ck-color-switch-button-inner-shadow:\\t\\t\\t\\t\\t\\thsla(0, 0%, 0%, 0.1);\\n\\n\\t/* -- Dropdown ------------------------------------------------------------------------------ */\\n\\n\\t--ck-color-dropdown-panel-background: 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0.1);\\n\\t--ck-color-link-fake-selection:\\t\\t\\t\\t\\t\\t\\t\\thsla(201, 100%, 56%, 0.3);\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t/**\\n\\t * An opacity value of disabled UI item.\\n\\t */\\n\\t--ck-disabled-opacity: .5;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t/**\\n\\t * The geometry of the of focused element's outer shadow.\\n\\t */\\n\\t--ck-focus-outer-shadow-geometry: 0 0 0 3px;\\n\\n\\t/**\\n\\t * A visual style of focused element's outer shadow.\\n\\t */\\n\\t--ck-focus-outer-shadow: var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-outer-shadow);\\n\\n\\t/**\\n\\t * A visual style of focused element's outer shadow (when disabled).\\n\\t */\\n\\t--ck-focus-disabled-outer-shadow: var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-disabled-shadow);\\n\\n\\t/**\\n\\t * A visual style of focused element's outer shadow (when has errors).\\n\\t */\\n\\t--ck-focus-error-outer-shadow: var(--ck-focus-outer-shadow-geometry) var(--ck-color-focus-error-shadow);\\n\\n\\t/**\\n\\t * A visual style of focused element's border or outline.\\n\\t */\\n\\t--ck-focus-ring: 1px solid var(--ck-color-focus-border);\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. 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The value is also shared by other components which should stay \\\"in-line\\\"\\n\\twith buttons. */\\n\\t--ck-ui-component-min-height: 2.3em;\\n}\\n\\n/**\\n * Resets an element, ignoring its children.\\n */\\n.ck.ck-reset,\\n.ck.ck-reset_all,\\n.ck.ck-reset_all * {\\n\\t/* Do not include inheritable rules here. */\\n\\tmargin: 0;\\n\\tpadding: 0;\\n\\tborder: 0;\\n\\tbackground: transparent;\\n\\ttext-decoration: none;\\n\\tvertical-align: middle;\\n\\ttransition: none;\\n\\n\\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/105 */\\n\\tword-wrap: break-word;\\n}\\n\\n/**\\n * Resets an element AND its children.\\n */\\n.ck.ck-reset_all,\\n.ck.ck-reset_all * {\\n\\t/* These are rule inherited by all children elements. */\\n\\tborder-collapse: collapse;\\n\\tfont: normal normal normal var(--ck-font-size-base)/var(--ck-line-height-base) var(--ck-font-face);\\n\\tcolor: var(--ck-color-text);\\n\\ttext-align: left;\\n\\twhite-space: nowrap;\\n\\tcursor: auto;\\n\\tfloat: none;\\n}\\n\\n.ck.ck-reset_all {\\n\\t& .ck-rtl * {\\n\\t\\ttext-align: right;\\n\\t}\\n\\n\\t& iframe {\\n\\t\\t/* For IE */\\n\\t\\tvertical-align: inherit;\\n\\t}\\n\\n\\t& textarea {\\n\\t\\twhite-space: pre-wrap;\\n\\t}\\n\\n\\t& textarea,\\n\\t& input[type=\\\"text\\\"],\\n\\t& input[type=\\\"password\\\"] {\\n\\t\\tcursor: text;\\n\\t}\\n\\n\\t& textarea[disabled],\\n\\t& input[type=\\\"text\\\"][disabled],\\n\\t& input[type=\\\"password\\\"][disabled] {\\n\\t\\tcursor: default;\\n\\t}\\n\\n\\t& fieldset {\\n\\t\\tpadding: 10px;\\n\\t\\tborder: 2px groove hsl(255, 7%, 88%);\\n\\t}\\n\\n\\t& button::-moz-focus-inner {\\n\\t\\t/* See http://stackoverflow.com/questions/5517744/remove-extra-button-spacing-padding-in-firefox */\\n\\t\\tpadding: 0;\\n\\t\\tborder: 0\\n\\t}\\n}\\n\\n/**\\n * Default UI rules for RTL languages.\\n */\\n.ck[dir=\\\"rtl\\\"],\\n.ck[dir=\\\"rtl\\\"] .ck {\\n\\ttext-align: right;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * Default border-radius value.\\n */\\n:root{\\n\\t--ck-border-radius: 2px;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t/**\\n\\t * A visual style of element's inner shadow (i.e. input).\\n\\t */\\n\\t--ck-inner-shadow: 2px 2px 3px var(--ck-color-shadow-inner) inset;\\n\\n\\t/**\\n\\t * A visual style of element's drop shadow (i.e. panel).\\n\\t */\\n\\t--ck-drop-shadow: 0 1px 2px 1px var(--ck-color-shadow-drop);\\n\\n\\t/**\\n\\t * A visual style of element's active shadow (i.e. comment or suggestion).\\n\\t */\\n\\t--ck-drop-shadow-active: 0 3px 6px 1px var(--ck-color-shadow-drop-active);\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-spacing-unit: \\t\\t\\t\\t\\t\\t0.6em;\\n\\t--ck-spacing-large: \\t\\t\\t\\t\\tcalc(var(--ck-spacing-unit) * 1.5);\\n\\t--ck-spacing-standard: \\t\\t\\t\\t\\tvar(--ck-spacing-unit);\\n\\t--ck-spacing-medium: \\t\\t\\t\\t\\tcalc(var(--ck-spacing-unit) * 0.8);\\n\\t--ck-spacing-small: \\t\\t\\t\\t\\tcalc(var(--ck-spacing-unit) * 0.5);\\n\\t--ck-spacing-tiny: \\t\\t\\t\\t\\t\\tcalc(var(--ck-spacing-unit) * 0.3);\\n\\t--ck-spacing-extra-tiny: \\t\\t\\t\\tcalc(var(--ck-spacing-unit) * 0.16);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \":root{--ck-color-resizer:var(--ck-color-focus-border);--ck-color-resizer-tooltip-background:#262626;--ck-color-resizer-tooltip-text:#f2f2f2;--ck-resizer-border-radius:var(--ck-border-radius);--ck-resizer-tooltip-offset:10px;--ck-resizer-tooltip-height:calc(var(--ck-spacing-small)*2 + 10px)}.ck .ck-widget,.ck .ck-widget.ck-widget_with-selection-handle{position:relative}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle{position:absolute}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle .ck-icon{display:block}.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected>.ck-widget__selection-handle,.ck .ck-widget.ck-widget_with-selection-handle:hover>.ck-widget__selection-handle{visibility:visible}.ck .ck-size-view{background:var(--ck-color-resizer-tooltip-background);color:var(--ck-color-resizer-tooltip-text);border:1px solid var(--ck-color-resizer-tooltip-text);border-radius:var(--ck-resizer-border-radius);font-size:var(--ck-font-size-tiny);display:block;padding:0 var(--ck-spacing-small);height:var(--ck-resizer-tooltip-height);line-height:var(--ck-resizer-tooltip-height)}.ck .ck-size-view.ck-orientation-above-center,.ck .ck-size-view.ck-orientation-bottom-left,.ck .ck-size-view.ck-orientation-bottom-right,.ck .ck-size-view.ck-orientation-top-left,.ck .ck-size-view.ck-orientation-top-right{position:absolute}.ck .ck-size-view.ck-orientation-top-left{top:var(--ck-resizer-tooltip-offset);left:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-top-right{top:var(--ck-resizer-tooltip-offset);right:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-bottom-right{bottom:var(--ck-resizer-tooltip-offset);right:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-bottom-left{bottom:var(--ck-resizer-tooltip-offset);left:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-above-center{top:calc(var(--ck-resizer-tooltip-height)*-1);left:50%;transform:translate(-50%)}:root{--ck-widget-outline-thickness:3px;--ck-widget-handler-icon-size:16px;--ck-widget-handler-animation-duration:200ms;--ck-widget-handler-animation-curve:ease;--ck-color-widget-blurred-border:#dedede;--ck-color-widget-hover-border:#ffc83d;--ck-color-widget-editable-focus-background:var(--ck-color-base-background);--ck-color-widget-drag-handler-icon-color:var(--ck-color-base-background)}.ck .ck-widget{outline-width:var(--ck-widget-outline-thickness);outline-style:solid;outline-color:transparent;transition:outline-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve)}.ck .ck-widget.ck-widget_selected,.ck .ck-widget.ck-widget_selected:hover{outline:var(--ck-widget-outline-thickness) solid var(--ck-color-focus-border)}.ck .ck-widget:hover{outline-color:var(--ck-color-widget-hover-border)}.ck .ck-editor__nested-editable{border:1px solid transparent}.ck .ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck .ck-editor__nested-editable:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-inner-shadow),0 0;background-color:var(--ck-color-widget-editable-focus-background)}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle{padding:4px;box-sizing:border-box;background-color:transparent;opacity:0;transition:background-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),visibility var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),opacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);border-radius:var(--ck-border-radius) var(--ck-border-radius) 0 0;transform:translateY(-100%);left:calc(0px - var(--ck-widget-outline-thickness));top:0}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle .ck-icon{width:var(--ck-widget-handler-icon-size);height:var(--ck-widget-handler-icon-size);color:var(--ck-color-widget-drag-handler-icon-color)}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle .ck-icon .ck-icon__selected-indicator{opacity:0;transition:opacity .3s var(--ck-widget-handler-animation-curve)}.ck .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle:hover .ck-icon .ck-icon__selected-indicator{opacity:1}.ck .ck-widget.ck-widget_with-selection-handle:hover>.ck-widget__selection-handle{opacity:1;background-color:var(--ck-color-widget-hover-border)}.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected:hover>.ck-widget__selection-handle,.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected>.ck-widget__selection-handle{opacity:1;background-color:var(--ck-color-focus-border)}.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected:hover>.ck-widget__selection-handle .ck-icon .ck-icon__selected-indicator,.ck .ck-widget.ck-widget_with-selection-handle.ck-widget_selected>.ck-widget__selection-handle .ck-icon .ck-icon__selected-indicator{opacity:1}.ck[dir=rtl] .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle{left:auto;right:calc(0px - var(--ck-widget-outline-thickness))}.ck.ck-editor__editable.ck-read-only .ck-widget{transition:none}.ck.ck-editor__editable.ck-read-only .ck-widget:not(.ck-widget_selected){--ck-widget-outline-thickness:0px}.ck.ck-editor__editable.ck-read-only .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle,.ck.ck-editor__editable.ck-read-only .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle:hover{background:var(--ck-color-widget-blurred-border)}.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected,.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected:hover{outline-color:var(--ck-color-widget-blurred-border)}.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected.ck-widget_with-selection-handle>.ck-widget__selection-handle,.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected.ck-widget_with-selection-handle>.ck-widget__selection-handle:hover,.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected:hover.ck-widget_with-selection-handle>.ck-widget__selection-handle,.ck.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected:hover.ck-widget_with-selection-handle>.ck-widget__selection-handle:hover{background:var(--ck-color-widget-blurred-border)}.ck.ck-editor__editable>.ck-widget.ck-widget_with-selection-handle:first-child,.ck.ck-editor__editable blockquote>.ck-widget.ck-widget_with-selection-handle:first-child{margin-top:calc(1em + var(--ck-widget-handler-icon-size))}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-widget/theme/widget.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-widget/widget.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_focus.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css\"],\"names\":[],\"mappings\":\"AAKA,MACC,+CAAgD,CAChD,6CAAsD,CACtD,uCAAgD,CAEhD,kDAAmD,CACnD,gCAAiC,CACjC,kEACD,CAOA,8DAEC,iBAqBD,CAnBC,4EACC,iBAOD,CALC,qFAGC,aACD,CASD,iLACC,kBACD,CAGD,kBACC,qDAAsD,CACtD,0CAA2C,CAC3C,qDAAsD,CACtD,6CAA8C,CAC9C,kCAAmC,CACnC,aAAc,CACd,iCAAkC,CAClC,uCAAwC,CACxC,4CAoCD,CAlCC,8NAKC,iBACD,CAEA,0CACC,oCAAqC,CACrC,qCACD,CAEA,2CACC,oCAAqC,CACrC,sCACD,CAEA,8CACC,uCAAwC,CACxC,sCACD,CAEA,6CACC,uCAAwC,CACxC,qCACD,CAGA,8CACC,6CAAgD,CAChD,QAAS,CACT,yBACD,CCjFD,MACC,iCAAkC,CAClC,kCAAmC,CACnC,4CAA6C,CAC7C,wCAAyC,CAEzC,wCAAiD,CACjD,sCAAkD,CAClD,2EAA4E,CAC5E,yEACD,CAEA,eACC,gDAAiD,CACjD,mBAAoB,CACpB,yBAA0B,CAC1B,6GAUD,CARC,0EAEC,6EACD,CAEA,qBACC,iDACD,CAGD,gCACC,4BAWD,CAPC,yGC/BA,YAAa,CACb,2BAA2B,CCF3B,qCAA8B,CFqC7B,iEACD,CAIA,4EACC,WAAY,CACZ,qBAAsB,CAGtB,4BAA6B,CAC7B,SAAU,CAMV,6SAG6F,CAG7F,iEAAkE,CAGlE,2BAA4B,CAC5B,mDAAoD,CACpD,KAqBD,CAnBC,qFAEC,wCAAyC,CACzC,yCAA0C,CAC1C,oDASD,CANC,kHACC,SAAU,CAGV,+DACD,CAID,wHACC,SACD,CAID,kFACC,SAAU,CACV,oDACD,CAKC,oMACC,SAAU,CACV,6CAMD,CAHC,gRACC,SACD,CAOH,qFACC,SAAU,CACV,oDACD,CAGA,gDAEC,eAkBD,CAhBC,yEAOC,iCACD,CAGC,gOAEC,gDACD,CAOD,wIAEC,mDAQD,CALE,ghBAEC,gDACD,CAKH,yKAOC,yDACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-color-resizer: var(--ck-color-focus-border);\\n\\t--ck-color-resizer-tooltip-background: hsl(0, 0%, 15%);\\n\\t--ck-color-resizer-tooltip-text: hsl(0, 0%, 95%);\\n\\n\\t--ck-resizer-border-radius: var(--ck-border-radius);\\n\\t--ck-resizer-tooltip-offset: 10px;\\n\\t--ck-resizer-tooltip-height: calc(var(--ck-spacing-small) * 2 + 10px);\\n}\\n\\n.ck .ck-widget {\\n\\t/* This is neccessary for type around UI to be positioned properly. */\\n\\tposition: relative;\\n}\\n\\n.ck .ck-widget.ck-widget_with-selection-handle {\\n\\t/* Make the widget wrapper a relative positioning container for the drag handle. */\\n\\tposition: relative;\\n\\n\\t& .ck-widget__selection-handle {\\n\\t\\tposition: absolute;\\n\\n\\t\\t& .ck-icon {\\n\\t\\t\\t/* Make sure the icon in not a subject to font-size or line-height to avoid\\n\\t\\t\\tunnecessary spacing around it. */\\n\\t\\t\\tdisplay: block;\\n\\t\\t}\\n\\t}\\n\\n\\t/* Show the selection handle on mouse hover over the widget, but not for nested widgets. */\\n\\t&:hover > .ck-widget__selection-handle {\\n\\t\\tvisibility: visible;\\n\\t}\\n\\n\\t/* Show the selection handle when the widget is selected, but not for nested widgets. */\\n\\t&.ck-widget_selected > .ck-widget__selection-handle {\\n\\t\\tvisibility: visible;\\n\\t}\\n}\\n\\n.ck .ck-size-view {\\n\\tbackground: var(--ck-color-resizer-tooltip-background);\\n\\tcolor: var(--ck-color-resizer-tooltip-text);\\n\\tborder: 1px solid var(--ck-color-resizer-tooltip-text);\\n\\tborder-radius: var(--ck-resizer-border-radius);\\n\\tfont-size: var(--ck-font-size-tiny);\\n\\tdisplay: block;\\n\\tpadding: 0 var(--ck-spacing-small);\\n\\theight: var(--ck-resizer-tooltip-height);\\n\\tline-height: var(--ck-resizer-tooltip-height);\\n\\n\\t&.ck-orientation-top-left,\\n\\t&.ck-orientation-top-right,\\n\\t&.ck-orientation-bottom-right,\\n\\t&.ck-orientation-bottom-left,\\n\\t&.ck-orientation-above-center {\\n\\t\\tposition: absolute;\\n\\t}\\n\\n\\t&.ck-orientation-top-left {\\n\\t\\ttop: var(--ck-resizer-tooltip-offset);\\n\\t\\tleft: var(--ck-resizer-tooltip-offset);\\n\\t}\\n\\n\\t&.ck-orientation-top-right {\\n\\t\\ttop: var(--ck-resizer-tooltip-offset);\\n\\t\\tright: var(--ck-resizer-tooltip-offset);\\n\\t}\\n\\n\\t&.ck-orientation-bottom-right {\\n\\t\\tbottom: var(--ck-resizer-tooltip-offset);\\n\\t\\tright: var(--ck-resizer-tooltip-offset);\\n\\t}\\n\\n\\t&.ck-orientation-bottom-left {\\n\\t\\tbottom: var(--ck-resizer-tooltip-offset);\\n\\t\\tleft: var(--ck-resizer-tooltip-offset);\\n\\t}\\n\\n\\t/* Class applied if the widget is too small to contain the size label */\\n\\t&.ck-orientation-above-center {\\n\\t\\ttop: calc(var(--ck-resizer-tooltip-height) * -1);\\n\\t\\tleft: 50%;\\n\\t\\ttransform: translate(-50%);\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n@import \\\"../mixins/_focus.css\\\";\\n@import \\\"../mixins/_shadow.css\\\";\\n\\n:root {\\n\\t--ck-widget-outline-thickness: 3px;\\n\\t--ck-widget-handler-icon-size: 16px;\\n\\t--ck-widget-handler-animation-duration: 200ms;\\n\\t--ck-widget-handler-animation-curve: ease;\\n\\n\\t--ck-color-widget-blurred-border: hsl(0, 0%, 87%);\\n\\t--ck-color-widget-hover-border: hsl(43, 100%, 62%);\\n\\t--ck-color-widget-editable-focus-background: var(--ck-color-base-background);\\n\\t--ck-color-widget-drag-handler-icon-color: var(--ck-color-base-background);\\n}\\n\\n.ck .ck-widget {\\n\\toutline-width: var(--ck-widget-outline-thickness);\\n\\toutline-style: solid;\\n\\toutline-color: transparent;\\n\\ttransition: outline-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);\\n\\n\\t&.ck-widget_selected,\\n\\t&.ck-widget_selected:hover {\\n\\t\\toutline: var(--ck-widget-outline-thickness) solid var(--ck-color-focus-border);\\n\\t}\\n\\n\\t&:hover {\\n\\t\\toutline-color: var(--ck-color-widget-hover-border);\\n\\t}\\n}\\n\\n.ck .ck-editor__nested-editable {\\n\\tborder: 1px solid transparent;\\n\\n\\t/* The :focus style is applied before .ck-editor__nested-editable_focused class is rendered in the view.\\n\\tThese styles show a different border for a blink of an eye, so `:focus` need to have same styles applied. */\\n\\t&.ck-editor__nested-editable_focused,\\n\\t&:focus {\\n\\t\\t@mixin ck-focus-ring;\\n\\t\\t@mixin ck-box-shadow var(--ck-inner-shadow);\\n\\n\\t\\tbackground-color: var(--ck-color-widget-editable-focus-background);\\n\\t}\\n}\\n\\n.ck .ck-widget.ck-widget_with-selection-handle {\\n\\t& .ck-widget__selection-handle {\\n\\t\\tpadding: 4px;\\n\\t\\tbox-sizing: border-box;\\n\\n\\t\\t/* Background and opacity will be animated as the handler shows up or the widget gets selected. */\\n\\t\\tbackground-color: transparent;\\n\\t\\topacity: 0;\\n\\n\\t\\t/* Transition:\\n\\t\\t   * background-color for the .ck-widget_selected state change,\\n\\t\\t   * visibility for hiding the handler,\\n\\t\\t   * opacity for the proper look of the icon when the handler disappears. */\\n\\t\\ttransition:\\n\\t\\t\\tbackground-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),\\n\\t\\t\\tvisibility var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),\\n\\t\\t\\topacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);\\n\\n\\t\\t/* Make only top corners round. */\\n\\t\\tborder-radius: var(--ck-border-radius) var(--ck-border-radius) 0 0;\\n\\n\\t\\t/* Place the drag handler outside the widget wrapper. */\\n\\t\\ttransform: translateY(-100%);\\n\\t\\tleft: calc(0px - var(--ck-widget-outline-thickness));\\n\\t\\ttop: 0;\\n\\n\\t\\t& .ck-icon {\\n\\t\\t\\t/* Make sure the dimensions of the icon are independent of the fon-size of the content. */\\n\\t\\t\\twidth: var(--ck-widget-handler-icon-size);\\n\\t\\t\\theight: var(--ck-widget-handler-icon-size);\\n\\t\\t\\tcolor: var(--ck-color-widget-drag-handler-icon-color);\\n\\n\\t\\t\\t/* The \\\"selected\\\" part of the icon is invisible by default */\\n\\t\\t\\t& .ck-icon__selected-indicator {\\n\\t\\t\\t\\topacity: 0;\\n\\n\\t\\t\\t\\t/* Note: The animation is longer on purpose. Simply feels better. */\\n\\t\\t\\t\\ttransition: opacity 300ms var(--ck-widget-handler-animation-curve);\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t/* Advertise using the look of the icon that once clicked the handler, the widget will be selected. */\\n\\t\\t&:hover .ck-icon .ck-icon__selected-indicator {\\n\\t\\t\\topacity: 1;\\n\\t\\t}\\n\\t}\\n\\n\\t/* Show the selection handler on mouse hover over the widget, but not for nested widgets. */\\n\\t&:hover > .ck-widget__selection-handle {\\n\\t\\topacity: 1;\\n\\t\\tbackground-color: var(--ck-color-widget-hover-border);\\n\\t}\\n\\n\\t/* Show the selection handler when the widget is selected, but not for nested widgets. */\\n\\t&.ck-widget_selected,\\n\\t&.ck-widget_selected:hover {\\n\\t\\t& > .ck-widget__selection-handle {\\n\\t\\t\\topacity: 1;\\n\\t\\t\\tbackground-color: var(--ck-color-focus-border);\\n\\n\\t\\t\\t/* When the widget is selected, notify the user using the proper look of the icon. */\\n\\t\\t\\t& .ck-icon .ck-icon__selected-indicator {\\n\\t\\t\\t\\topacity: 1;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\\n/* In a RTL environment, align the selection handler to the right side of the widget */\\n/* stylelint-disable-next-line no-descending-specificity */\\n.ck[dir=\\\"rtl\\\"] .ck-widget.ck-widget_with-selection-handle .ck-widget__selection-handle {\\n\\tleft: auto;\\n\\tright: calc(0px - var(--ck-widget-outline-thickness));\\n}\\n\\n/* https://github.com/ckeditor/ckeditor5/issues/6415 */\\n.ck.ck-editor__editable.ck-read-only .ck-widget {\\n\\t/* Prevent the :hover outline from showing up because of the used outline-color transition. */\\n\\ttransition: none;\\n\\n\\t&:not(.ck-widget_selected) {\\n\\t\\t/* Disable visual effects of hover/active widget when CKEditor is in readOnly mode.\\n\\t\\t * See: https://github.com/ckeditor/ckeditor5/issues/1261\\n\\t\\t *\\n\\t\\t * Leave the unit because this custom property is used in calc() by other features.\\n\\t\\t * See: https://github.com/ckeditor/ckeditor5/issues/6775\\n\\t\\t */\\n\\t\\t--ck-widget-outline-thickness: 0px;\\n\\t}\\n\\n\\t&.ck-widget_with-selection-handle {\\n\\t\\t& .ck-widget__selection-handle,\\n\\t\\t& .ck-widget__selection-handle:hover {\\n\\t\\t\\tbackground: var(--ck-color-widget-blurred-border);\\n\\t\\t}\\n\\t}\\n}\\n\\n/* Style the widget when it's selected but the editable it belongs to lost focus. */\\n/* stylelint-disable-next-line no-descending-specificity */\\n.ck.ck-editor__editable.ck-blurred .ck-widget {\\n\\t&.ck-widget_selected,\\n\\t&.ck-widget_selected:hover {\\n\\t\\toutline-color: var(--ck-color-widget-blurred-border);\\n\\n\\t\\t&.ck-widget_with-selection-handle {\\n\\t\\t\\t& > .ck-widget__selection-handle,\\n\\t\\t\\t& > .ck-widget__selection-handle:hover {\\n\\t\\t\\t\\tbackground: var(--ck-color-widget-blurred-border);\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\\n.ck.ck-editor__editable > .ck-widget.ck-widget_with-selection-handle:first-child,\\n.ck.ck-editor__editable blockquote > .ck-widget.ck-widget_with-selection-handle:first-child {\\n\\t/* Do not crop selection handler if a widget is a first-child in the blockquote or in the root editable.\\n\\tIn fact, anything with overflow: hidden.\\n\\thttps://github.com/ckeditor/ckeditor5-block-quote/issues/28\\n\\thttps://github.com/ckeditor/ckeditor5-widget/issues/44\\n\\thttps://github.com/ckeditor/ckeditor5-widget/issues/66 */\\n\\tmargin-top: calc(1em + var(--ck-widget-handler-icon-size));\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A visual style of focused element's border.\\n */\\n@define-mixin ck-focus-ring {\\n\\t/* Disable native outline. */\\n\\toutline: none;\\n\\tborder: var(--ck-focus-ring)\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n/**\\n * A helper to combine multiple shadows.\\n */\\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\\n\\tbox-shadow: $shadowA, $shadowB;\\n}\\n\\n/**\\n * Gives an element a drop shadow so it looks like a floating panel.\\n */\\n@define-mixin ck-drop-shadow {\\n\\t@mixin ck-box-shadow var(--ck-drop-shadow);\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck .ck-widget_with-resizer{position:relative}.ck .ck-widget__resizer{display:none;position:absolute;pointer-events:none;left:0;top:0}.ck-focused .ck-widget_with-resizer.ck-widget_selected>.ck-widget__resizer{display:block}.ck .ck-widget__resizer__handle{position:absolute;pointer-events:all}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-right,.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-left{cursor:nwse-resize}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-left,.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-right{cursor:nesw-resize}:root{--ck-resizer-size:10px;--ck-resizer-offset:calc(var(--ck-resizer-size)/-2 - 2px);--ck-resizer-border-width:1px}.ck .ck-widget__resizer{outline:1px solid var(--ck-color-resizer)}.ck .ck-widget__resizer__handle{width:var(--ck-resizer-size);height:var(--ck-resizer-size);background:var(--ck-color-focus-border);border:var(--ck-resizer-border-width) solid #fff;border-radius:var(--ck-resizer-border-radius)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-left{top:var(--ck-resizer-offset);left:var(--ck-resizer-offset)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-right{top:var(--ck-resizer-offset);right:var(--ck-resizer-offset)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-right{bottom:var(--ck-resizer-offset);right:var(--ck-resizer-offset)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-left{bottom:var(--ck-resizer-offset);left:var(--ck-resizer-offset)}\", \"\",{\"version\":3,\"sources\":[\"webpack://./node_modules/@ckeditor/ckeditor5-widget/theme/widgetresize.css\",\"webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-widget/widgetresize.css\"],\"names\":[],\"mappings\":\"AAKA,4BAEC,iBACD,CAEA,wBACC,YAAa,CACb,iBAAkB,CAGlB,mBAAoB,CAEpB,MAAO,CACP,KACD,CAGC,2EACC,aACD,CAGD,gCACC,iBAAkB,CAGlB,kBAWD,CATC,4IAEC,kBACD,CAEA,4IAEC,kBACD,CCpCD,MACC,sBAAuB,CAGvB,yDAAiE,CACjE,6BACD,CAEA,wBACC,yCACD,CAEA,gCACC,4BAA6B,CAC7B,6BAA8B,CAC9B,uCAAwC,CACxC,gDAA6D,CAC7D,6CAqBD,CAnBC,oEACC,4BAA6B,CAC7B,6BACD,CAEA,qEACC,4BAA6B,CAC7B,8BACD,CAEA,wEACC,+BAAgC,CAChC,8BACD,CAEA,uEACC,+BAAgC,CAChC,6BACD\",\"sourcesContent\":[\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck .ck-widget_with-resizer {\\n\\t/* Make the widget wrapper a relative positioning container for the drag handle. */\\n\\tposition: relative;\\n}\\n\\n.ck .ck-widget__resizer {\\n\\tdisplay: none;\\n\\tposition: absolute;\\n\\n\\t/* The wrapper itself should not interfere with the pointer device, only the handles should. */\\n\\tpointer-events: none;\\n\\n\\tleft: 0;\\n\\ttop: 0;\\n}\\n\\n.ck-focused .ck-widget_with-resizer.ck-widget_selected {\\n\\t& > .ck-widget__resizer {\\n\\t\\tdisplay: block;\\n\\t}\\n}\\n\\n.ck .ck-widget__resizer__handle {\\n\\tposition: absolute;\\n\\n\\t/* Resizers are the only UI elements that should interfere with a pointer device. */\\n\\tpointer-events: all;\\n\\n\\t&.ck-widget__resizer__handle-top-left,\\n\\t&.ck-widget__resizer__handle-bottom-right {\\n\\t\\tcursor: nwse-resize;\\n\\t}\\n\\n\\t&.ck-widget__resizer__handle-top-right,\\n\\t&.ck-widget__resizer__handle-bottom-left {\\n\\t\\tcursor: nesw-resize;\\n\\t}\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-resizer-size: 10px;\\n\\n\\t/* Set the resizer with a 50% offset. */\\n\\t--ck-resizer-offset: calc( ( var(--ck-resizer-size) / -2 ) - 2px);\\n\\t--ck-resizer-border-width: 1px;\\n}\\n\\n.ck .ck-widget__resizer {\\n\\toutline: 1px solid var(--ck-color-resizer);\\n}\\n\\n.ck .ck-widget__resizer__handle {\\n\\twidth: var(--ck-resizer-size);\\n\\theight: var(--ck-resizer-size);\\n\\tbackground: var(--ck-color-focus-border);\\n\\tborder: var(--ck-resizer-border-width) solid hsl(0, 0%, 100%);\\n\\tborder-radius: var(--ck-resizer-border-radius);\\n\\n\\t&.ck-widget__resizer__handle-top-left {\\n\\t\\ttop: var(--ck-resizer-offset);\\n\\t\\tleft: var(--ck-resizer-offset);\\n\\t}\\n\\n\\t&.ck-widget__resizer__handle-top-right {\\n\\t\\ttop: var(--ck-resizer-offset);\\n\\t\\tright: var(--ck-resizer-offset);\\n\\t}\\n\\n\\t&.ck-widget__resizer__handle-bottom-right {\\n\\t\\tbottom: var(--ck-resizer-offset);\\n\\t\\tright: var(--ck-resizer-offset);\\n\\t}\\n\\n\\t&.ck-widget__resizer__handle-bottom-left {\\n\\t\\tbottom: var(--ck-resizer-offset);\\n\\t\\tleft: var(--ck-resizer-offset);\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","// Imports\nimport ___CSS_LOADER_API_SOURCEMAP_IMPORT___ from \"../../../css-loader/dist/runtime/cssWithMappingToString.js\";\nimport ___CSS_LOADER_API_IMPORT___ from \"../../../css-loader/dist/runtime/api.js\";\nvar ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(___CSS_LOADER_API_SOURCEMAP_IMPORT___);\n// Module\n___CSS_LOADER_EXPORT___.push([module.id, \".ck .ck-widget .ck-widget__type-around__button{display:block;position:absolute;overflow:hidden;z-index:var(--ck-z-default)}.ck .ck-widget .ck-widget__type-around__button svg{position:absolute;top:50%;left:50%;z-index:calc(var(--ck-z-default) + 2)}.ck .ck-widget .ck-widget__type-around__button.ck-widget__type-around__button_before{top:calc(var(--ck-widget-outline-thickness)*-0.5);left:min(10%,30px);transform:translateY(-50%)}.ck .ck-widget .ck-widget__type-around__button.ck-widget__type-around__button_after{bottom:calc(var(--ck-widget-outline-thickness)*-0.5);right:min(10%,30px);transform:translateY(50%)}.ck .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button:after,.ck .ck-widget>.ck-widget__type-around>.ck-widget__type-around__button:hover:after{content:\\\"\\\";display:block;position:absolute;top:1px;left:1px;z-index:calc(var(--ck-z-default) + 1)}.ck .ck-widget>.ck-widget__type-around>.ck-widget__type-around__fake-caret{display:none;position:absolute;left:0;right:0}.ck .ck-widget:hover>.ck-widget__type-around>.ck-widget__type-around__fake-caret{left:calc(var(--ck-widget-outline-thickness)*-1);right:calc(var(--ck-widget-outline-thickness)*-1)}.ck .ck-widget.ck-widget_type-around_show-fake-caret_before>.ck-widget__type-around>.ck-widget__type-around__fake-caret{top:calc(var(--ck-widget-outline-thickness)*-1 - 1px);display:block}.ck .ck-widget.ck-widget_type-around_show-fake-caret_after>.ck-widget__type-around>.ck-widget__type-around__fake-caret{bottom:calc(var(--ck-widget-outline-thickness)*-1 - 1px);display:block}.ck.ck-editor__editable.ck-read-only .ck-widget__type-around,.ck.ck-editor__editable.ck-restricted-editing_mode_restricted .ck-widget__type-around,.ck.ck-editor__editable.ck-widget__type-around_disabled .ck-widget__type-around{display:none}:root{--ck-widget-type-around-button-size:20px;--ck-color-widget-type-around-button-active:var(--ck-color-focus-border);--ck-color-widget-type-around-button-hover:var(--ck-color-widget-hover-border);--ck-color-widget-type-around-button-blurred-editable:var(--ck-color-widget-blurred-border);--ck-color-widget-type-around-button-radar-start-alpha:0;--ck-color-widget-type-around-button-radar-end-alpha:.3;--ck-color-widget-type-around-button-icon:var(--ck-color-base-background)}.ck .ck-widget .ck-widget__type-around__button{width:var(--ck-widget-type-around-button-size);height:var(--ck-widget-type-around-button-size);background:var(--ck-color-widget-type-around-button);border-radius:100px;transition:opacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),background var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);opacity:0;pointer-events:none}.ck .ck-widget .ck-widget__type-around__button svg{width:10px;height:8px;transform:translate(-50%,-50%);transition:transform .5s ease;margin-top:1px}.ck .ck-widget .ck-widget__type-around__button svg *{stroke-dasharray:10;stroke-dashoffset:0;fill:none;stroke:var(--ck-color-widget-type-around-button-icon);stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round}.ck .ck-widget .ck-widget__type-around__button svg line{stroke-dasharray:7}.ck .ck-widget .ck-widget__type-around__button:hover{animation:ck-widget-type-around-button-sonar 1s ease infinite}.ck .ck-widget .ck-widget__type-around__button:hover svg polyline{animation:ck-widget-type-around-arrow-dash 2s linear}.ck .ck-widget .ck-widget__type-around__button:hover svg line{animation:ck-widget-type-around-arrow-tip-dash 2s linear}.ck .ck-widget.ck-widget_selected>.ck-widget__type-around>.ck-widget__type-around__button,.ck .ck-widget:hover>.ck-widget__type-around>.ck-widget__type-around__button{opacity:1;pointer-events:auto}.ck 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* Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n.ck .ck-widget {\\n\\t/*\\n\\t * Styles of the type around buttons\\n\\t */\\n\\t& .ck-widget__type-around__button {\\n\\t\\tdisplay: block;\\n\\t\\tposition: absolute;\\n\\t\\toverflow: hidden;\\n\\t\\tz-index: var(--ck-z-default);\\n\\n\\t\\t& svg {\\n\\t\\t\\tposition: absolute;\\n\\t\\t\\ttop: 50%;\\n\\t\\t\\tleft: 50%;\\n\\t\\t\\tz-index: calc(var(--ck-z-default) + 2);\\n\\t\\t}\\n\\n\\t\\t&.ck-widget__type-around__button_before {\\n\\t\\t\\t/* Place it in the middle of the outline */\\n\\t\\t\\ttop: calc(-0.5 * var(--ck-widget-outline-thickness));\\n\\t\\t\\tleft: min(10%, 30px);\\n\\n\\t\\t\\ttransform: translateY(-50%);\\n\\t\\t}\\n\\n\\t\\t&.ck-widget__type-around__button_after {\\n\\t\\t\\t/* Place it in the middle of the outline */\\n\\t\\t\\tbottom: calc(-0.5 * var(--ck-widget-outline-thickness));\\n\\t\\t\\tright: min(10%, 30px);\\n\\n\\t\\t\\ttransform: translateY(50%);\\n\\t\\t}\\n\\t}\\n\\n\\t/*\\n\\t * Styles for the buttons when:\\n\\t * - the widget is selected,\\n\\t * - or the button is being hovered (regardless of the widget state).\\n\\t */\\n\\t&.ck-widget_selected > .ck-widget__type-around > .ck-widget__type-around__button,\\n\\t& > .ck-widget__type-around > .ck-widget__type-around__button:hover {\\n\\t\\t&::after {\\n\\t\\t\\tcontent: \\\"\\\";\\n\\t\\t\\tdisplay: block;\\n\\t\\t\\tposition: absolute;\\n\\t\\t\\ttop: 1px;\\n\\t\\t\\tleft: 1px;\\n\\t\\t\\tz-index: calc(var(--ck-z-default) + 1);\\n\\t\\t}\\n\\t}\\n\\n\\t/*\\n\\t * Styles for the horizontal \\\"fake caret\\\" which is displayed when the user navigates using the keyboard.\\n\\t */\\n\\t& > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\\n\\t\\tdisplay: none;\\n\\t\\tposition: absolute;\\n\\t\\tleft: 0;\\n\\t\\tright: 0;\\n\\t}\\n\\n\\t/*\\n\\t * When the widget is hovered the \\\"fake caret\\\" would normally be narrower than the\\n\\t * extra outline displayed around the widget. Let's extend the \\\"fake caret\\\" to match\\n\\t * the full width of the widget.\\n\\t */\\n\\t&:hover > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\\n\\t\\tleft: calc( -1 * var(--ck-widget-outline-thickness) );\\n\\t\\tright: calc( -1 * var(--ck-widget-outline-thickness) );\\n\\t}\\n\\n\\t/*\\n\\t * Styles for the horizontal \\\"fake caret\\\" when it should be displayed before the widget (backward keyboard navigation).\\n\\t */\\n\\t&.ck-widget_type-around_show-fake-caret_before > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\\n\\t\\ttop: calc( -1 * var(--ck-widget-outline-thickness) - 1px );\\n\\t\\tdisplay: block;\\n\\t}\\n\\n\\t/*\\n\\t * Styles for the horizontal \\\"fake caret\\\" when it should be displayed after the widget (forward keyboard navigation).\\n\\t */\\n\\t&.ck-widget_type-around_show-fake-caret_after > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\\n\\t\\tbottom: calc( -1 * var(--ck-widget-outline-thickness) - 1px );\\n\\t\\tdisplay: block;\\n\\t}\\n}\\n\\n/*\\n * Integration with the read-only mode of the editor.\\n */\\n.ck.ck-editor__editable.ck-read-only .ck-widget__type-around {\\n\\tdisplay: none;\\n}\\n\\n/*\\n * Integration with the restricted editing mode (feature) of the editor.\\n */\\n.ck.ck-editor__editable.ck-restricted-editing_mode_restricted .ck-widget__type-around {\\n\\tdisplay: none;\\n}\\n\\n/*\\n * Integration with the #isEnabled property of the WidgetTypeAround plugin.\\n */\\n.ck.ck-editor__editable.ck-widget__type-around_disabled .ck-widget__type-around {\\n\\tdisplay: none;\\n}\\n\",\"/*\\n * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\\n */\\n\\n:root {\\n\\t--ck-widget-type-around-button-size: 20px;\\n\\t--ck-color-widget-type-around-button-active: var(--ck-color-focus-border);\\n\\t--ck-color-widget-type-around-button-hover: var(--ck-color-widget-hover-border);\\n\\t--ck-color-widget-type-around-button-blurred-editable: var(--ck-color-widget-blurred-border);\\n\\t--ck-color-widget-type-around-button-radar-start-alpha: 0;\\n\\t--ck-color-widget-type-around-button-radar-end-alpha: .3;\\n\\t--ck-color-widget-type-around-button-icon: var(--ck-color-base-background);\\n}\\n\\n@define-mixin ck-widget-type-around-button-visible {\\n\\topacity: 1;\\n\\tpointer-events: auto;\\n}\\n\\n@define-mixin ck-widget-type-around-button-hidden {\\n\\topacity: 0;\\n\\tpointer-events: none;\\n}\\n\\n.ck .ck-widget {\\n\\t/*\\n\\t * Styles of the type around buttons\\n\\t */\\n\\t& .ck-widget__type-around__button {\\n\\t\\twidth: var(--ck-widget-type-around-button-size);\\n\\t\\theight: var(--ck-widget-type-around-button-size);\\n\\t\\tbackground: var(--ck-color-widget-type-around-button);\\n\\t\\tborder-radius: 100px;\\n\\t\\ttransition: opacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve), background var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);\\n\\n\\t\\t@mixin ck-widget-type-around-button-hidden;\\n\\n\\t\\t& svg {\\n\\t\\t\\twidth: 10px;\\n\\t\\t\\theight: 8px;\\n\\t\\t\\ttransform: translate(-50%,-50%);\\n\\t\\t\\ttransition: transform .5s ease;\\n\\t\\t\\tmargin-top: 1px;\\n\\n\\t\\t\\t& * {\\n\\t\\t\\t\\tstroke-dasharray: 10;\\n\\t\\t\\t\\tstroke-dashoffset: 0;\\n\\n\\t\\t\\t\\tfill: none;\\n\\t\\t\\t\\tstroke: var(--ck-color-widget-type-around-button-icon);\\n\\t\\t\\t\\tstroke-width: 1.5px;\\n\\t\\t\\t\\tstroke-linecap: round;\\n\\t\\t\\t\\tstroke-linejoin: round;\\n\\t\\t\\t}\\n\\n\\t\\t\\t& line {\\n\\t\\t\\t\\tstroke-dasharray: 7;\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t&:hover {\\n\\t\\t\\t/*\\n\\t\\t\\t * Display the \\\"sonar\\\" around the button when hovered.\\n\\t\\t\\t */\\n\\t\\t\\tanimation: ck-widget-type-around-button-sonar 1s ease infinite;\\n\\n\\t\\t\\t/*\\n\\t\\t\\t * Animate active button's icon.\\n\\t\\t\\t */\\n\\t\\t\\t& svg {\\n\\t\\t\\t\\t& polyline {\\n\\t\\t\\t\\t\\tanimation: ck-widget-type-around-arrow-dash 2s linear;\\n\\t\\t\\t\\t}\\n\\n\\t\\t\\t\\t& line {\\n\\t\\t\\t\\t\\tanimation: ck-widget-type-around-arrow-tip-dash 2s linear;\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n\\n\\t/*\\n\\t * Show type around buttons when the widget gets selected or being hovered.\\n\\t */\\n\\t&.ck-widget_selected,\\n\\t&:hover {\\n\\t\\t& > .ck-widget__type-around > .ck-widget__type-around__button {\\n\\t\\t\\t@mixin ck-widget-type-around-button-visible;\\n\\t\\t}\\n\\t}\\n\\n\\t/*\\n\\t * Styles for the buttons when the widget is NOT selected (but the buttons are visible\\n\\t * and still can be hovered).\\n\\t */\\n\\t&:not(.ck-widget_selected) > .ck-widget__type-around > .ck-widget__type-around__button {\\n\\t\\tbackground: var(--ck-color-widget-type-around-button-hover);\\n\\t}\\n\\n\\t/*\\n\\t * Styles for the buttons when:\\n\\t * - the widget is selected,\\n\\t * - or the button is being hovered (regardless of the widget state).\\n\\t */\\n\\t&.ck-widget_selected > .ck-widget__type-around > .ck-widget__type-around__button,\\n\\t& > .ck-widget__type-around > .ck-widget__type-around__button:hover {\\n\\t\\tbackground: var(--ck-color-widget-type-around-button-active);\\n\\n\\t\\t&::after {\\n\\t\\t\\twidth: calc(var(--ck-widget-type-around-button-size) - 2px);\\n\\t\\t\\theight: calc(var(--ck-widget-type-around-button-size) - 2px);\\n\\t\\t\\tborder-radius: 100px;\\n\\t\\t\\tbackground: linear-gradient(135deg, hsla(0,0%,100%,0) 0%, hsla(0,0%,100%,.3) 100%);\\n\\t\\t}\\n\\t}\\n\\n\\t/*\\n\\t * Styles for the \\\"before\\\" button when the widget has a selection handle. Because some space\\n\\t * is consumed by the handle, the button must be moved slightly to the right to let it breathe.\\n\\t */\\n\\t&.ck-widget_with-selection-handle > .ck-widget__type-around > .ck-widget__type-around__button_before {\\n\\t\\tmargin-left: 20px;\\n\\t}\\n\\n\\t/*\\n\\t * Styles for the horizontal \\\"fake caret\\\" which is displayed when the user navigates using the keyboard.\\n\\t */\\n\\t& .ck-widget__type-around__fake-caret {\\n\\t\\tpointer-events: none;\\n\\t\\theight: 1px;\\n\\t\\tanimation: ck-widget-type-around-fake-caret-pulse linear 1s infinite normal forwards;\\n\\n\\t\\t/*\\n\\t\\t * The semi-transparent-outline+background combo improves the contrast\\n\\t\\t * when the background underneath the fake caret is dark.\\n\\t\\t */\\n\\t\\toutline: solid 1px hsla(0, 0%, 100%, .5);\\n\\t\\tbackground: var(--ck-color-base-text);\\n\\t}\\n\\n\\t/*\\n\\t * Styles of the widget when the \\\"fake caret\\\" is blinking (e.g. upon keyboard navigation).\\n\\t * Despite the widget being physically selected in the model, its outline should disappear.\\n\\t */\\n\\t&.ck-widget_selected {\\n\\t\\t&.ck-widget_type-around_show-fake-caret_before,\\n\\t\\t&.ck-widget_type-around_show-fake-caret_after {\\n\\t\\t\\toutline-color: transparent;\\n\\t\\t}\\n\\t}\\n\\n\\t&.ck-widget_type-around_show-fake-caret_before,\\n\\t&.ck-widget_type-around_show-fake-caret_after {\\n\\t\\t/*\\n\\t\\t * When the \\\"fake caret\\\" is visible we simulate that the widget is not selected\\n\\t\\t * (despite being physically selected), so the outline color should be for the\\n\\t\\t * unselected widget.\\n\\t\\t */\\n\\t\\t&.ck-widget_selected:hover {\\n\\t\\t\\toutline-color: var(--ck-color-widget-hover-border);\\n\\t\\t}\\n\\n\\t\\t/*\\n\\t\\t * Styles of the type around buttons when the \\\"fake caret\\\" is blinking (e.g. upon keyboard navigation).\\n\\t\\t * In this state, the type around buttons would collide with the fake carets so they should disappear.\\n\\t\\t */\\n\\t\\t& > .ck-widget__type-around > .ck-widget__type-around__button {\\n\\t\\t\\t@mixin ck-widget-type-around-button-hidden;\\n\\t\\t}\\n\\n\\t\\t/*\\n\\t\\t * Fake horizontal caret integration with the selection handle. When the caret is visible, simply\\n\\t\\t * hide the handle because it intersects with the caret (and does not make much sense anyway).\\n\\t\\t */\\n\\t\\t&.ck-widget_with-selection-handle {\\n\\t\\t\\t&.ck-widget_selected,\\n\\t\\t\\t&.ck-widget_selected:hover {\\n\\t\\t\\t\\t& > .ck-widget__selection-handle {\\n\\t\\t\\t\\t\\topacity: 0\\n\\t\\t\\t\\t}\\n\\t\\t\\t}\\n\\t\\t}\\n\\n\\t\\t/*\\n\\t\\t * Fake horizontal caret integration with the resize UI. When the caret is visible, simply\\n\\t\\t * hide the resize UI because it creates too much noise. It can be visible when the user\\n\\t\\t * hovers the widget, though.\\n\\t\\t */\\n\\t\\t&.ck-widget_selected.ck-widget_with-resizer > .ck-widget__resizer {\\n\\t\\t\\topacity: 0\\n\\t\\t}\\n\\t}\\n}\\n\\n/*\\n * Styles for the \\\"before\\\" button when the widget has a selection handle in an RTL environment.\\n * The selection handler is aligned to the right side of the widget so there is no need to create\\n * additional space for it next to the \\\"before\\\" button.\\n */\\n.ck[dir=\\\"rtl\\\"] .ck-widget.ck-widget_with-selection-handle .ck-widget__type-around > .ck-widget__type-around__button_before {\\n\\tmargin-left: 0;\\n\\tmargin-right: 20px;\\n}\\n\\n/*\\n * Hide type around buttons when the widget is selected as a child of a selected\\n * nested editable (e.g. mulit-cell table selection).\\n *\\n * See https://github.com/ckeditor/ckeditor5/issues/7263.\\n */\\n.ck-editor__nested-editable.ck-editor__editable_selected {\\n\\t& .ck-widget {\\n\\t\\t&.ck-widget_selected,\\n\\t\\t&:hover {\\n\\t\\t\\t& > .ck-widget__type-around > .ck-widget__type-around__button {\\n\\t\\t\\t\\t@mixin ck-widget-type-around-button-hidden;\\n\\t\\t\\t}\\n\\t\\t}\\n\\t}\\n}\\n\\n/*\\n * Styles for the buttons when the widget is selected but the user clicked outside of the editor (blurred the editor).\\n */\\n.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected > .ck-widget__type-around > .ck-widget__type-around__button:not(:hover) {\\n\\tbackground: var(--ck-color-widget-type-around-button-blurred-editable);\\n\\n\\t& svg * {\\n\\t\\tstroke: hsl(0,0%,60%);\\n\\t}\\n}\\n\\n@keyframes ck-widget-type-around-arrow-dash {\\n\\t0% {\\n\\t\\tstroke-dashoffset: 10;\\n\\t}\\n\\t20%, 100% {\\n\\t\\tstroke-dashoffset: 0;\\n\\t}\\n}\\n\\n@keyframes ck-widget-type-around-arrow-tip-dash {\\n\\t0%, 20% {\\n\\t\\tstroke-dashoffset: 7;\\n\\t}\\n\\t40%, 100% {\\n\\t\\tstroke-dashoffset: 0;\\n\\t}\\n}\\n\\n@keyframes ck-widget-type-around-button-sonar {\\n\\t0% {\\n\\t\\tbox-shadow: 0 0 0 0 hsla(var(--ck-color-focus-border-coordinates), var(--ck-color-widget-type-around-button-radar-start-alpha));\\n\\t}\\n\\t50% {\\n\\t\\tbox-shadow: 0 0 0 5px hsla(var(--ck-color-focus-border-coordinates), var(--ck-color-widget-type-around-button-radar-end-alpha));\\n\\t}\\n\\t100% {\\n\\t\\tbox-shadow: 0 0 0 5px hsla(var(--ck-color-focus-border-coordinates), var(--ck-color-widget-type-around-button-radar-start-alpha));\\n\\t}\\n}\\n\\n@keyframes ck-widget-type-around-fake-caret-pulse {\\n\\t0% {\\n\\t\\topacity: 1;\\n\\t}\\n\\t49% {\\n\\t\\topacity: 1;\\n\\t}\\n\\t50% {\\n\\t\\topacity: 0;\\n\\t}\\n\\t99% {\\n\\t\\topacity: 0;\\n\\t}\\n\\t100% {\\n\\t\\topacity: 1;\\n\\t}\\n}\\n\"],\"sourceRoot\":\"\"}]);\n// Exports\nexport default ___CSS_LOADER_EXPORT___;\n","\"use strict\";\n\n/*\n  MIT License http://www.opensource.org/licenses/mit-license.php\n  Author Tobias Koppers @sokra\n*/\n// css base code, injected by the css-loader\n// eslint-disable-next-line func-names\nmodule.exports = function (cssWithMappingToString) {\n  var list = []; // return the list of modules as css string\n\n  list.toString = function toString() {\n    return this.map(function (item) {\n      var content = cssWithMappingToString(item);\n\n      if (item[2]) {\n        return \"@media \".concat(item[2], \" {\").concat(content, \"}\");\n      }\n\n      return content;\n    }).join(\"\");\n  }; // import a list of modules into the list\n  // eslint-disable-next-line func-names\n\n\n  list.i = function (modules, mediaQuery, dedupe) {\n    if (typeof modules === \"string\") {\n      // eslint-disable-next-line no-param-reassign\n      modules = [[null, modules, \"\"]];\n    }\n\n    var alreadyImportedModules = {};\n\n    if (dedupe) {\n      for (var i = 0; i < this.length; i++) {\n        // eslint-disable-next-line prefer-destructuring\n        var id = this[i][0];\n\n        if (id != null) {\n          alreadyImportedModules[id] = true;\n        }\n      }\n    }\n\n    for (var _i = 0; _i < modules.length; _i++) {\n      var item = [].concat(modules[_i]);\n\n      if (dedupe && alreadyImportedModules[item[0]]) {\n        // eslint-disable-next-line no-continue\n        continue;\n      }\n\n      if (mediaQuery) {\n        if (!item[2]) {\n          item[2] = mediaQuery;\n        } else {\n          item[2] = \"\".concat(mediaQuery, \" and \").concat(item[2]);\n        }\n      }\n\n      list.push(item);\n    }\n  };\n\n  return list;\n};","\"use strict\";\n\nfunction _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }\n\nfunction _nonIterableRest() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _iterableToArrayLimit(arr, i) { var _i = arr && (typeof Symbol !== \"undefined\" && arr[Symbol.iterator] || arr[\"@@iterator\"]); if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }\n\nmodule.exports = function cssWithMappingToString(item) {\n  var _item = _slicedToArray(item, 4),\n      content = _item[1],\n      cssMapping = _item[3];\n\n  if (!cssMapping) {\n    return content;\n  }\n\n  if (typeof btoa === \"function\") {\n    // eslint-disable-next-line no-undef\n    var base64 = btoa(unescape(encodeURIComponent(JSON.stringify(cssMapping))));\n    var data = \"sourceMappingURL=data:application/json;charset=utf-8;base64,\".concat(base64);\n    var sourceMapping = \"/*# \".concat(data, \" */\");\n    var sourceURLs = cssMapping.sources.map(function (source) {\n      return \"/*# sourceURL=\".concat(cssMapping.sourceRoot || \"\").concat(source, \" */\");\n    });\n    return [content].concat(sourceURLs).concat([sourceMapping]).join(\"\\n\");\n  }\n\n  return [content].join(\"\\n\");\n};","'use strict';\n\n\n////////////////////////////////////////////////////////////////////////////////\n// Helpers\n\n// Merge objects\n//\nfunction assign(obj /*from1, from2, from3, ...*/) {\n  var sources = Array.prototype.slice.call(arguments, 1);\n\n  sources.forEach(function (source) {\n    if (!source) { return; }\n\n    Object.keys(source).forEach(function (key) {\n      obj[key] = source[key];\n    });\n  });\n\n  return obj;\n}\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\nfunction isString(obj) { return _class(obj) === '[object String]'; }\nfunction isObject(obj) { return _class(obj) === '[object Object]'; }\nfunction isRegExp(obj) { return _class(obj) === '[object RegExp]'; }\nfunction isFunction(obj) { return _class(obj) === '[object Function]'; }\n\n\nfunction escapeRE(str) { return str.replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&'); }\n\n////////////////////////////////////////////////////////////////////////////////\n\n\nvar defaultOptions = {\n  fuzzyLink: true,\n  fuzzyEmail: true,\n  fuzzyIP: false\n};\n\n\nfunction isOptionsObj(obj) {\n  return Object.keys(obj || {}).reduce(function (acc, k) {\n    return acc || defaultOptions.hasOwnProperty(k);\n  }, false);\n}\n\n\nvar defaultSchemas = {\n  'http:': {\n    validate: function (text, pos, self) {\n      var tail = text.slice(pos);\n\n      if (!self.re.http) {\n        // compile lazily, because \"host\"-containing variables can change on tlds update.\n        self.re.http =  new RegExp(\n          '^\\\\/\\\\/' + self.re.src_auth + self.re.src_host_port_strict + self.re.src_path, 'i'\n        );\n      }\n      if (self.re.http.test(tail)) {\n        return tail.match(self.re.http)[0].length;\n      }\n      return 0;\n    }\n  },\n  'https:':  'http:',\n  'ftp:':    'http:',\n  '//':      {\n    validate: function (text, pos, self) {\n      var tail = text.slice(pos);\n\n      if (!self.re.no_http) {\n      // compile lazily, because \"host\"-containing variables can change on tlds update.\n        self.re.no_http =  new RegExp(\n          '^' +\n          self.re.src_auth +\n          // Don't allow single-level domains, because of false positives like '//test'\n          // with code comments\n          '(?:localhost|(?:(?:' + self.re.src_domain + ')\\\\.)+' + self.re.src_domain_root + ')' +\n          self.re.src_port +\n          self.re.src_host_terminator +\n          self.re.src_path,\n\n          'i'\n        );\n      }\n\n      if (self.re.no_http.test(tail)) {\n        // should not be `://` & `///`, that protects from errors in protocol name\n        if (pos >= 3 && text[pos - 3] === ':') { return 0; }\n        if (pos >= 3 && text[pos - 3] === '/') { return 0; }\n        return tail.match(self.re.no_http)[0].length;\n      }\n      return 0;\n    }\n  },\n  'mailto:': {\n    validate: function (text, pos, self) {\n      var tail = text.slice(pos);\n\n      if (!self.re.mailto) {\n        self.re.mailto =  new RegExp(\n          '^' + self.re.src_email_name + '@' + self.re.src_host_strict, 'i'\n        );\n      }\n      if (self.re.mailto.test(tail)) {\n        return tail.match(self.re.mailto)[0].length;\n      }\n      return 0;\n    }\n  }\n};\n\n/*eslint-disable max-len*/\n\n// RE pattern for 2-character tlds (autogenerated by ./support/tlds_2char_gen.js)\nvar tlds_2ch_src_re = 'a[cdefgilmnoqrstuwxz]|b[abdefghijmnorstvwyz]|c[acdfghiklmnoruvwxyz]|d[ejkmoz]|e[cegrstu]|f[ijkmor]|g[abdefghilmnpqrstuwy]|h[kmnrtu]|i[delmnoqrst]|j[emop]|k[eghimnprwyz]|l[abcikrstuvy]|m[acdeghklmnopqrstuvwxyz]|n[acefgilopruz]|om|p[aefghklmnrstwy]|qa|r[eosuw]|s[abcdeghijklmnortuvxyz]|t[cdfghjklmnortvwz]|u[agksyz]|v[aceginu]|w[fs]|y[et]|z[amw]';\n\n// DON'T try to make PRs with changes. Extend TLDs with LinkifyIt.tlds() instead\nvar tlds_default = 'biz|com|edu|gov|net|org|pro|web|xxx|aero|asia|coop|info|museum|name|shop|рф'.split('|');\n\n/*eslint-enable max-len*/\n\n////////////////////////////////////////////////////////////////////////////////\n\nfunction resetScanCache(self) {\n  self.__index__ = -1;\n  self.__text_cache__   = '';\n}\n\nfunction createValidator(re) {\n  return function (text, pos) {\n    var tail = text.slice(pos);\n\n    if (re.test(tail)) {\n      return tail.match(re)[0].length;\n    }\n    return 0;\n  };\n}\n\nfunction createNormalizer() {\n  return function (match, self) {\n    self.normalize(match);\n  };\n}\n\n// Schemas compiler. Build regexps.\n//\nfunction compile(self) {\n\n  // Load & clone RE patterns.\n  var re = self.re = require('./lib/re')(self.__opts__);\n\n  // Define dynamic patterns\n  var tlds = self.__tlds__.slice();\n\n  self.onCompile();\n\n  if (!self.__tlds_replaced__) {\n    tlds.push(tlds_2ch_src_re);\n  }\n  tlds.push(re.src_xn);\n\n  re.src_tlds = tlds.join('|');\n\n  function untpl(tpl) { return tpl.replace('%TLDS%', re.src_tlds); }\n\n  re.email_fuzzy      = RegExp(untpl(re.tpl_email_fuzzy), 'i');\n  re.link_fuzzy       = RegExp(untpl(re.tpl_link_fuzzy), 'i');\n  re.link_no_ip_fuzzy = RegExp(untpl(re.tpl_link_no_ip_fuzzy), 'i');\n  re.host_fuzzy_test  = RegExp(untpl(re.tpl_host_fuzzy_test), 'i');\n\n  //\n  // Compile each schema\n  //\n\n  var aliases = [];\n\n  self.__compiled__ = {}; // Reset compiled data\n\n  function schemaError(name, val) {\n    throw new Error('(LinkifyIt) Invalid schema \"' + name + '\": ' + val);\n  }\n\n  Object.keys(self.__schemas__).forEach(function (name) {\n    var val = self.__schemas__[name];\n\n    // skip disabled methods\n    if (val === null) { return; }\n\n    var compiled = { validate: null, link: null };\n\n    self.__compiled__[name] = compiled;\n\n    if (isObject(val)) {\n      if (isRegExp(val.validate)) {\n        compiled.validate = createValidator(val.validate);\n      } else if (isFunction(val.validate)) {\n        compiled.validate = val.validate;\n      } else {\n        schemaError(name, val);\n      }\n\n      if (isFunction(val.normalize)) {\n        compiled.normalize = val.normalize;\n      } else if (!val.normalize) {\n        compiled.normalize = createNormalizer();\n      } else {\n        schemaError(name, val);\n      }\n\n      return;\n    }\n\n    if (isString(val)) {\n      aliases.push(name);\n      return;\n    }\n\n    schemaError(name, val);\n  });\n\n  //\n  // Compile postponed aliases\n  //\n\n  aliases.forEach(function (alias) {\n    if (!self.__compiled__[self.__schemas__[alias]]) {\n      // Silently fail on missed schemas to avoid errons on disable.\n      // schemaError(alias, self.__schemas__[alias]);\n      return;\n    }\n\n    self.__compiled__[alias].validate =\n      self.__compiled__[self.__schemas__[alias]].validate;\n    self.__compiled__[alias].normalize =\n      self.__compiled__[self.__schemas__[alias]].normalize;\n  });\n\n  //\n  // Fake record for guessed links\n  //\n  self.__compiled__[''] = { validate: null, normalize: createNormalizer() };\n\n  //\n  // Build schema condition\n  //\n  var slist = Object.keys(self.__compiled__)\n                      .filter(function (name) {\n                        // Filter disabled & fake schemas\n                        return name.length > 0 && self.__compiled__[name];\n                      })\n                      .map(escapeRE)\n                      .join('|');\n  // (?!_) cause 1.5x slowdown\n  self.re.schema_test   = RegExp('(^|(?!_)(?:[><\\uff5c]|' + re.src_ZPCc + '))(' + slist + ')', 'i');\n  self.re.schema_search = RegExp('(^|(?!_)(?:[><\\uff5c]|' + re.src_ZPCc + '))(' + slist + ')', 'ig');\n\n  self.re.pretest = RegExp(\n    '(' + self.re.schema_test.source + ')|(' + self.re.host_fuzzy_test.source + ')|@',\n    'i'\n  );\n\n  //\n  // Cleanup\n  //\n\n  resetScanCache(self);\n}\n\n/**\n * class Match\n *\n * Match result. Single element of array, returned by [[LinkifyIt#match]]\n **/\nfunction Match(self, shift) {\n  var start = self.__index__,\n      end   = self.__last_index__,\n      text  = self.__text_cache__.slice(start, end);\n\n  /**\n   * Match#schema -> String\n   *\n   * Prefix (protocol) for matched string.\n   **/\n  this.schema    = self.__schema__.toLowerCase();\n  /**\n   * Match#index -> Number\n   *\n   * First position of matched string.\n   **/\n  this.index     = start + shift;\n  /**\n   * Match#lastIndex -> Number\n   *\n   * Next position after matched string.\n   **/\n  this.lastIndex = end + shift;\n  /**\n   * Match#raw -> String\n   *\n   * Matched string.\n   **/\n  this.raw       = text;\n  /**\n   * Match#text -> String\n   *\n   * Notmalized text of matched string.\n   **/\n  this.text      = text;\n  /**\n   * Match#url -> String\n   *\n   * Normalized url of matched string.\n   **/\n  this.url       = text;\n}\n\nfunction createMatch(self, shift) {\n  var match = new Match(self, shift);\n\n  self.__compiled__[match.schema].normalize(match, self);\n\n  return match;\n}\n\n\n/**\n * class LinkifyIt\n **/\n\n/**\n * new LinkifyIt(schemas, options)\n * - schemas (Object): Optional. Additional schemas to validate (prefix/validator)\n * - options (Object): { fuzzyLink|fuzzyEmail|fuzzyIP: true|false }\n *\n * Creates new linkifier instance with optional additional schemas.\n * Can be called without `new` keyword for convenience.\n *\n * By default understands:\n *\n * - `http(s)://...` , `ftp://...`, `mailto:...` & `//...` links\n * - \"fuzzy\" links and emails (example.com, foo@bar.com).\n *\n * `schemas` is an object, where each key/value describes protocol/rule:\n *\n * - __key__ - link prefix (usually, protocol name with `:` at the end, `skype:`\n *   for example). `linkify-it` makes shure that prefix is not preceeded with\n *   alphanumeric char and symbols. Only whitespaces and punctuation allowed.\n * - __value__ - rule to check tail after link prefix\n *   - _String_ - just alias to existing rule\n *   - _Object_\n *     - _validate_ - validator function (should return matched length on success),\n *       or `RegExp`.\n *     - _normalize_ - optional function to normalize text & url of matched result\n *       (for example, for @twitter mentions).\n *\n * `options`:\n *\n * - __fuzzyLink__ - recognige URL-s without `http(s):` prefix. Default `true`.\n * - __fuzzyIP__ - allow IPs in fuzzy links above. Can conflict with some texts\n *   like version numbers. Default `false`.\n * - __fuzzyEmail__ - recognize emails without `mailto:` prefix.\n *\n **/\nfunction LinkifyIt(schemas, options) {\n  if (!(this instanceof LinkifyIt)) {\n    return new LinkifyIt(schemas, options);\n  }\n\n  if (!options) {\n    if (isOptionsObj(schemas)) {\n      options = schemas;\n      schemas = {};\n    }\n  }\n\n  this.__opts__           = assign({}, defaultOptions, options);\n\n  // Cache last tested result. Used to skip repeating steps on next `match` call.\n  this.__index__          = -1;\n  this.__last_index__     = -1; // Next scan position\n  this.__schema__         = '';\n  this.__text_cache__     = '';\n\n  this.__schemas__        = assign({}, defaultSchemas, schemas);\n  this.__compiled__       = {};\n\n  this.__tlds__           = tlds_default;\n  this.__tlds_replaced__  = false;\n\n  this.re = {};\n\n  compile(this);\n}\n\n\n/** chainable\n * LinkifyIt#add(schema, definition)\n * - schema (String): rule name (fixed pattern prefix)\n * - definition (String|RegExp|Object): schema definition\n *\n * Add new rule definition. See constructor description for details.\n **/\nLinkifyIt.prototype.add = function add(schema, definition) {\n  this.__schemas__[schema] = definition;\n  compile(this);\n  return this;\n};\n\n\n/** chainable\n * LinkifyIt#set(options)\n * - options (Object): { fuzzyLink|fuzzyEmail|fuzzyIP: true|false }\n *\n * Set recognition options for links without schema.\n **/\nLinkifyIt.prototype.set = function set(options) {\n  this.__opts__ = assign(this.__opts__, options);\n  return this;\n};\n\n\n/**\n * LinkifyIt#test(text) -> Boolean\n *\n * Searches linkifiable pattern and returns `true` on success or `false` on fail.\n **/\nLinkifyIt.prototype.test = function test(text) {\n  // Reset scan cache\n  this.__text_cache__ = text;\n  this.__index__      = -1;\n\n  if (!text.length) { return false; }\n\n  var m, ml, me, len, shift, next, re, tld_pos, at_pos;\n\n  // try to scan for link with schema - that's the most simple rule\n  if (this.re.schema_test.test(text)) {\n    re = this.re.schema_search;\n    re.lastIndex = 0;\n    while ((m = re.exec(text)) !== null) {\n      len = this.testSchemaAt(text, m[2], re.lastIndex);\n      if (len) {\n        this.__schema__     = m[2];\n        this.__index__      = m.index + m[1].length;\n        this.__last_index__ = m.index + m[0].length + len;\n        break;\n      }\n    }\n  }\n\n  if (this.__opts__.fuzzyLink && this.__compiled__['http:']) {\n    // guess schemaless links\n    tld_pos = text.search(this.re.host_fuzzy_test);\n    if (tld_pos >= 0) {\n      // if tld is located after found link - no need to check fuzzy pattern\n      if (this.__index__ < 0 || tld_pos < this.__index__) {\n        if ((ml = text.match(this.__opts__.fuzzyIP ? this.re.link_fuzzy : this.re.link_no_ip_fuzzy)) !== null) {\n\n          shift = ml.index + ml[1].length;\n\n          if (this.__index__ < 0 || shift < this.__index__) {\n            this.__schema__     = '';\n            this.__index__      = shift;\n            this.__last_index__ = ml.index + ml[0].length;\n          }\n        }\n      }\n    }\n  }\n\n  if (this.__opts__.fuzzyEmail && this.__compiled__['mailto:']) {\n    // guess schemaless emails\n    at_pos = text.indexOf('@');\n    if (at_pos >= 0) {\n      // We can't skip this check, because this cases are possible:\n      // 192.168.1.1@gmail.com, my.in@example.com\n      if ((me = text.match(this.re.email_fuzzy)) !== null) {\n\n        shift = me.index + me[1].length;\n        next  = me.index + me[0].length;\n\n        if (this.__index__ < 0 || shift < this.__index__ ||\n            (shift === this.__index__ && next > this.__last_index__)) {\n          this.__schema__     = 'mailto:';\n          this.__index__      = shift;\n          this.__last_index__ = next;\n        }\n      }\n    }\n  }\n\n  return this.__index__ >= 0;\n};\n\n\n/**\n * LinkifyIt#pretest(text) -> Boolean\n *\n * Very quick check, that can give false positives. Returns true if link MAY BE\n * can exists. Can be used for speed optimization, when you need to check that\n * link NOT exists.\n **/\nLinkifyIt.prototype.pretest = function pretest(text) {\n  return this.re.pretest.test(text);\n};\n\n\n/**\n * LinkifyIt#testSchemaAt(text, name, position) -> Number\n * - text (String): text to scan\n * - name (String): rule (schema) name\n * - position (Number): text offset to check from\n *\n * Similar to [[LinkifyIt#test]] but checks only specific protocol tail exactly\n * at given position. Returns length of found pattern (0 on fail).\n **/\nLinkifyIt.prototype.testSchemaAt = function testSchemaAt(text, schema, pos) {\n  // If not supported schema check requested - terminate\n  if (!this.__compiled__[schema.toLowerCase()]) {\n    return 0;\n  }\n  return this.__compiled__[schema.toLowerCase()].validate(text, pos, this);\n};\n\n\n/**\n * LinkifyIt#match(text) -> Array|null\n *\n * Returns array of found link descriptions or `null` on fail. We strongly\n * recommend to use [[LinkifyIt#test]] first, for best speed.\n *\n * ##### Result match description\n *\n * - __schema__ - link schema, can be empty for fuzzy links, or `//` for\n *   protocol-neutral  links.\n * - __index__ - offset of matched text\n * - __lastIndex__ - index of next char after mathch end\n * - __raw__ - matched text\n * - __text__ - normalized text\n * - __url__ - link, generated from matched text\n **/\nLinkifyIt.prototype.match = function match(text) {\n  var shift = 0, result = [];\n\n  // Try to take previous element from cache, if .test() called before\n  if (this.__index__ >= 0 && this.__text_cache__ === text) {\n    result.push(createMatch(this, shift));\n    shift = this.__last_index__;\n  }\n\n  // Cut head if cache was used\n  var tail = shift ? text.slice(shift) : text;\n\n  // Scan string until end reached\n  while (this.test(tail)) {\n    result.push(createMatch(this, shift));\n\n    tail = tail.slice(this.__last_index__);\n    shift += this.__last_index__;\n  }\n\n  if (result.length) {\n    return result;\n  }\n\n  return null;\n};\n\n\n/** chainable\n * LinkifyIt#tlds(list [, keepOld]) -> this\n * - list (Array): list of tlds\n * - keepOld (Boolean): merge with current list if `true` (`false` by default)\n *\n * Load (or merge) new tlds list. Those are user for fuzzy links (without prefix)\n * to avoid false positives. By default this algorythm used:\n *\n * - hostname with any 2-letter root zones are ok.\n * - biz|com|edu|gov|net|org|pro|web|xxx|aero|asia|coop|info|museum|name|shop|рф\n *   are ok.\n * - encoded (`xn--...`) root zones are ok.\n *\n * If list is replaced, then exact match for 2-chars root zones will be checked.\n **/\nLinkifyIt.prototype.tlds = function tlds(list, keepOld) {\n  list = Array.isArray(list) ? list : [ list ];\n\n  if (!keepOld) {\n    this.__tlds__ = list.slice();\n    this.__tlds_replaced__ = true;\n    compile(this);\n    return this;\n  }\n\n  this.__tlds__ = this.__tlds__.concat(list)\n                                  .sort()\n                                  .filter(function (el, idx, arr) {\n                                    return el !== arr[idx - 1];\n                                  })\n                                  .reverse();\n\n  compile(this);\n  return this;\n};\n\n/**\n * LinkifyIt#normalize(match)\n *\n * Default normalizer (if schema does not define it's own).\n **/\nLinkifyIt.prototype.normalize = function normalize(match) {\n\n  // Do minimal possible changes by default. Need to collect feedback prior\n  // to move forward https://github.com/markdown-it/linkify-it/issues/1\n\n  if (!match.schema) { match.url = 'http://' + match.url; }\n\n  if (match.schema === 'mailto:' && !/^mailto:/i.test(match.url)) {\n    match.url = 'mailto:' + match.url;\n  }\n};\n\n\n/**\n * LinkifyIt#onCompile()\n *\n * Override to modify basic RegExp-s.\n **/\nLinkifyIt.prototype.onCompile = function onCompile() {\n};\n\n\nmodule.exports = LinkifyIt;\n","'use strict';\n\n\nmodule.exports = function (opts) {\n  var re = {};\n\n  // Use direct extract instead of `regenerate` to reduse browserified size\n  re.src_Any = require('uc.micro/properties/Any/regex').source;\n  re.src_Cc  = require('uc.micro/categories/Cc/regex').source;\n  re.src_Z   = require('uc.micro/categories/Z/regex').source;\n  re.src_P   = require('uc.micro/categories/P/regex').source;\n\n  // \\p{\\Z\\P\\Cc\\CF} (white spaces + control + format + punctuation)\n  re.src_ZPCc = [ re.src_Z, re.src_P, re.src_Cc ].join('|');\n\n  // \\p{\\Z\\Cc} (white spaces + control)\n  re.src_ZCc = [ re.src_Z, re.src_Cc ].join('|');\n\n  // Experimental. List of chars, completely prohibited in links\n  // because can separate it from other part of text\n  var text_separators = '[><\\uff5c]';\n\n  // All possible word characters (everything without punctuation, spaces & controls)\n  // Defined via punctuation & spaces to save space\n  // Should be something like \\p{\\L\\N\\S\\M} (\\w but without `_`)\n  re.src_pseudo_letter       = '(?:(?!' + text_separators + '|' + re.src_ZPCc + ')' + re.src_Any + ')';\n  // The same as abothe but without [0-9]\n  // var src_pseudo_letter_non_d = '(?:(?![0-9]|' + src_ZPCc + ')' + src_Any + ')';\n\n  ////////////////////////////////////////////////////////////////////////////////\n\n  re.src_ip4 =\n\n    '(?:(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)';\n\n  // Prohibit any of \"@/[]()\" in user/pass to avoid wrong domain fetch.\n  re.src_auth    = '(?:(?:(?!' + re.src_ZCc + '|[@/\\\\[\\\\]()]).)+@)?';\n\n  re.src_port =\n\n    '(?::(?:6(?:[0-4]\\\\d{3}|5(?:[0-4]\\\\d{2}|5(?:[0-2]\\\\d|3[0-5])))|[1-5]?\\\\d{1,4}))?';\n\n  re.src_host_terminator =\n\n    '(?=$|' + text_separators + '|' + re.src_ZPCc + ')(?!-|_|:\\\\d|\\\\.-|\\\\.(?!$|' + re.src_ZPCc + '))';\n\n  re.src_path =\n\n    '(?:' +\n      '[/?#]' +\n        '(?:' +\n          '(?!' + re.src_ZCc + '|' + text_separators + '|[()[\\\\]{}.,\"\\'?!\\\\-;]).|' +\n          '\\\\[(?:(?!' + re.src_ZCc + '|\\\\]).)*\\\\]|' +\n          '\\\\((?:(?!' + re.src_ZCc + '|[)]).)*\\\\)|' +\n          '\\\\{(?:(?!' + re.src_ZCc + '|[}]).)*\\\\}|' +\n          '\\\\\"(?:(?!' + re.src_ZCc + '|[\"]).)+\\\\\"|' +\n          \"\\\\'(?:(?!\" + re.src_ZCc + \"|[']).)+\\\\'|\" +\n          \"\\\\'(?=\" + re.src_pseudo_letter + '|[-]).|' +  // allow `I'm_king` if no pair found\n          '\\\\.{2,}[a-zA-Z0-9%/&]|' + // google has many dots in \"google search\" links (#66, #81).\n                                     // github has ... in commit range links,\n                                     // Restrict to\n                                     // - english\n                                     // - percent-encoded\n                                     // - parts of file path\n                                     // - params separator\n                                     // until more examples found.\n          '\\\\.(?!' + re.src_ZCc + '|[.]).|' +\n          (opts && opts['---'] ?\n            '\\\\-(?!--(?:[^-]|$))(?:-*)|' // `---` => long dash, terminate\n            :\n            '\\\\-+|'\n          ) +\n          ',(?!' + re.src_ZCc + ').|' +       // allow `,,,` in paths\n          ';(?!' + re.src_ZCc + ').|' +       // allow `;` if not followed by space-like char\n          '\\\\!+(?!' + re.src_ZCc + '|[!]).|' +  // allow `!!!` in paths, but not at the end\n          '\\\\?(?!' + re.src_ZCc + '|[?]).' +\n        ')+' +\n      '|\\\\/' +\n    ')?';\n\n  // Allow anything in markdown spec, forbid quote (\") at the first position\n  // because emails enclosed in quotes are far more common\n  re.src_email_name =\n\n    '[\\\\-;:&=\\\\+\\\\$,\\\\.a-zA-Z0-9_][\\\\-;:&=\\\\+\\\\$,\\\\\"\\\\.a-zA-Z0-9_]*';\n\n  re.src_xn =\n\n    'xn--[a-z0-9\\\\-]{1,59}';\n\n  // More to read about domain names\n  // http://serverfault.com/questions/638260/\n\n  re.src_domain_root =\n\n    // Allow letters & digits (http://test1)\n    '(?:' +\n      re.src_xn +\n      '|' +\n      re.src_pseudo_letter + '{1,63}' +\n    ')';\n\n  re.src_domain =\n\n    '(?:' +\n      re.src_xn +\n      '|' +\n      '(?:' + re.src_pseudo_letter + ')' +\n      '|' +\n      '(?:' + re.src_pseudo_letter + '(?:-|' + re.src_pseudo_letter + '){0,61}' + re.src_pseudo_letter + ')' +\n    ')';\n\n  re.src_host =\n\n    '(?:' +\n    // Don't need IP check, because digits are already allowed in normal domain names\n    //   src_ip4 +\n    // '|' +\n      '(?:(?:(?:' + re.src_domain + ')\\\\.)*' + re.src_domain/*_root*/ + ')' +\n    ')';\n\n  re.tpl_host_fuzzy =\n\n    '(?:' +\n      re.src_ip4 +\n    '|' +\n      '(?:(?:(?:' + re.src_domain + ')\\\\.)+(?:%TLDS%))' +\n    ')';\n\n  re.tpl_host_no_ip_fuzzy =\n\n    '(?:(?:(?:' + re.src_domain + ')\\\\.)+(?:%TLDS%))';\n\n  re.src_host_strict =\n\n    re.src_host + re.src_host_terminator;\n\n  re.tpl_host_fuzzy_strict =\n\n    re.tpl_host_fuzzy + re.src_host_terminator;\n\n  re.src_host_port_strict =\n\n    re.src_host + re.src_port + re.src_host_terminator;\n\n  re.tpl_host_port_fuzzy_strict =\n\n    re.tpl_host_fuzzy + re.src_port + re.src_host_terminator;\n\n  re.tpl_host_port_no_ip_fuzzy_strict =\n\n    re.tpl_host_no_ip_fuzzy + re.src_port + re.src_host_terminator;\n\n\n  ////////////////////////////////////////////////////////////////////////////////\n  // Main rules\n\n  // Rude test fuzzy links by host, for quick deny\n  re.tpl_host_fuzzy_test =\n\n    'localhost|www\\\\.|\\\\.\\\\d{1,3}\\\\.|(?:\\\\.(?:%TLDS%)(?:' + re.src_ZPCc + '|>|$))';\n\n  re.tpl_email_fuzzy =\n\n      '(^|' + text_separators + '|\"|\\\\(|' + re.src_ZCc + ')' +\n      '(' + re.src_email_name + '@' + re.tpl_host_fuzzy_strict + ')';\n\n  re.tpl_link_fuzzy =\n      // Fuzzy link can't be prepended with .:/\\- and non punctuation.\n      // but can start with > (markdown blockquote)\n      '(^|(?![.:/\\\\-_@])(?:[$+<=>^`|\\uff5c]|' + re.src_ZPCc + '))' +\n      '((?![$+<=>^`|\\uff5c])' + re.tpl_host_port_fuzzy_strict + re.src_path + ')';\n\n  re.tpl_link_no_ip_fuzzy =\n      // Fuzzy link can't be prepended with .:/\\- and non punctuation.\n      // but can start with > (markdown blockquote)\n      '(^|(?![.:/\\\\-_@])(?:[$+<=>^`|\\uff5c]|' + re.src_ZPCc + '))' +\n      '((?![$+<=>^`|\\uff5c])' + re.tpl_host_port_no_ip_fuzzy_strict + re.src_path + ')';\n\n  return re;\n};\n","// Markdown-it plugin to render GitHub-style task lists; see\n//\n// https://github.com/blog/1375-task-lists-in-gfm-issues-pulls-comments\n// https://github.com/blog/1825-task-lists-in-all-markdown-documents\n\nvar disableCheckboxes = true;\nvar useLabelWrapper = false;\nvar useLabelAfter = false;\n\nmodule.exports = function(md, options) {\n\tif (options) {\n\t\tdisableCheckboxes = !options.enabled;\n\t\tuseLabelWrapper = !!options.label;\n\t\tuseLabelAfter = !!options.labelAfter;\n\t}\n\n\tmd.core.ruler.after('inline', 'github-task-lists', function(state) {\n\t\tvar tokens = state.tokens;\n\t\tfor (var i = 2; i < tokens.length; i++) {\n\t\t\tif (isTodoItem(tokens, i)) {\n\t\t\t\ttodoify(tokens[i], state.Token);\n\t\t\t\tattrSet(tokens[i-2], 'class', 'task-list-item' + (!disableCheckboxes ? ' enabled' : ''));\n\t\t\t\tattrSet(tokens[parentToken(tokens, i-2)], 'class', 'contains-task-list');\n\t\t\t}\n\t\t}\n\t});\n};\n\nfunction attrSet(token, name, value) {\n\tvar index = token.attrIndex(name);\n\tvar attr = [name, value];\n\n\tif (index < 0) {\n\t\ttoken.attrPush(attr);\n\t} else {\n\t\ttoken.attrs[index] = attr;\n\t}\n}\n\nfunction parentToken(tokens, index) {\n\tvar targetLevel = tokens[index].level - 1;\n\tfor (var i = index - 1; i >= 0; i--) {\n\t\tif (tokens[i].level === targetLevel) {\n\t\t\treturn i;\n\t\t}\n\t}\n\treturn -1;\n}\n\nfunction isTodoItem(tokens, index) {\n\treturn isInline(tokens[index]) &&\n\t       isParagraph(tokens[index - 1]) &&\n\t       isListItem(tokens[index - 2]) &&\n\t       startsWithTodoMarkdown(tokens[index]);\n}\n\nfunction todoify(token, TokenConstructor) {\n\ttoken.children.unshift(makeCheckbox(token, TokenConstructor));\n\ttoken.children[1].content = token.children[1].content.slice(3);\n\ttoken.content = token.content.slice(3);\n\n\tif (useLabelWrapper) {\n\t\tif (useLabelAfter) {\n\t\t\ttoken.children.pop();\n\n\t\t\t// Use large random number as id property of the checkbox.\n\t\t\tvar id = 'task-item-' + Math.ceil(Math.random() * (10000 * 1000) - 1000);\n\t\t\ttoken.children[0].content = token.children[0].content.slice(0, -1) + ' id=\"' + id + '\">';\n\t\t\ttoken.children.push(afterLabel(token.content, id, TokenConstructor));\n\t\t} else {\n\t\t\ttoken.children.unshift(beginLabel(TokenConstructor));\n\t\t\ttoken.children.push(endLabel(TokenConstructor));\n\t\t}\n\t}\n}\n\nfunction makeCheckbox(token, TokenConstructor) {\n\tvar checkbox = new TokenConstructor('html_inline', '', 0);\n\tvar disabledAttr = disableCheckboxes ? ' disabled=\"\" ' : '';\n\tif (token.content.indexOf('[ ] ') === 0) {\n\t\tcheckbox.content = '<input class=\"task-list-item-checkbox\"' + disabledAttr + 'type=\"checkbox\">';\n\t} else if (token.content.indexOf('[x] ') === 0 || token.content.indexOf('[X] ') === 0) {\n\t\tcheckbox.content = '<input class=\"task-list-item-checkbox\" checked=\"\"' + disabledAttr + 'type=\"checkbox\">';\n\t}\n\treturn checkbox;\n}\n\n// these next two functions are kind of hacky; probably should really be a\n// true block-level token with .tag=='label'\nfunction beginLabel(TokenConstructor) {\n\tvar token = new TokenConstructor('html_inline', '', 0);\n\ttoken.content = '<label>';\n\treturn token;\n}\n\nfunction endLabel(TokenConstructor) {\n\tvar token = new TokenConstructor('html_inline', '', 0);\n\ttoken.content = '</label>';\n\treturn token;\n}\n\nfunction afterLabel(content, id, TokenConstructor) {\n\tvar token = new TokenConstructor('html_inline', '', 0);\n\ttoken.content = '<label class=\"task-list-item-label\" for=\"' + id + '\">' + content + '</label>';\n\ttoken.attrs = [{for: id}];\n\treturn token;\n}\n\nfunction isInline(token) { return token.type === 'inline'; }\nfunction isParagraph(token) { return token.type === 'paragraph_open'; }\nfunction isListItem(token) { return token.type === 'list_item_open'; }\n\nfunction startsWithTodoMarkdown(token) {\n\t// leading whitespace in a list item is already trimmed off by markdown-it\n\treturn token.content.indexOf('[ ] ') === 0 || token.content.indexOf('[x] ') === 0 || token.content.indexOf('[X] ') === 0;\n}\n","'use strict';\n\n\nmodule.exports = require('./lib/');\n","// HTML5 entities map: { name -> utf16string }\n//\n'use strict';\n\n/*eslint quotes:0*/\nmodule.exports = require('entities/lib/maps/entities.json');\n","// List of valid html blocks names, accorting to commonmark spec\n// http://jgm.github.io/CommonMark/spec.html#html-blocks\n\n'use strict';\n\n\nmodule.exports = [\n  'address',\n  'article',\n  'aside',\n  'base',\n  'basefont',\n  'blockquote',\n  'body',\n  'caption',\n  'center',\n  'col',\n  'colgroup',\n  'dd',\n  'details',\n  'dialog',\n  'dir',\n  'div',\n  'dl',\n  'dt',\n  'fieldset',\n  'figcaption',\n  'figure',\n  'footer',\n  'form',\n  'frame',\n  'frameset',\n  'h1',\n  'h2',\n  'h3',\n  'h4',\n  'h5',\n  'h6',\n  'head',\n  'header',\n  'hr',\n  'html',\n  'iframe',\n  'legend',\n  'li',\n  'link',\n  'main',\n  'menu',\n  'menuitem',\n  'nav',\n  'noframes',\n  'ol',\n  'optgroup',\n  'option',\n  'p',\n  'param',\n  'section',\n  'source',\n  'summary',\n  'table',\n  'tbody',\n  'td',\n  'tfoot',\n  'th',\n  'thead',\n  'title',\n  'tr',\n  'track',\n  'ul'\n];\n","// Regexps to match html elements\n\n'use strict';\n\nvar attr_name     = '[a-zA-Z_:][a-zA-Z0-9:._-]*';\n\nvar unquoted      = '[^\"\\'=<>`\\\\x00-\\\\x20]+';\nvar single_quoted = \"'[^']*'\";\nvar double_quoted = '\"[^\"]*\"';\n\nvar attr_value  = '(?:' + unquoted + '|' + single_quoted + '|' + double_quoted + ')';\n\nvar attribute   = '(?:\\\\s+' + attr_name + '(?:\\\\s*=\\\\s*' + attr_value + ')?)';\n\nvar open_tag    = '<[A-Za-z][A-Za-z0-9\\\\-]*' + attribute + '*\\\\s*\\\\/?>';\n\nvar close_tag   = '<\\\\/[A-Za-z][A-Za-z0-9\\\\-]*\\\\s*>';\nvar comment     = '<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->';\nvar processing  = '<[?][\\\\s\\\\S]*?[?]>';\nvar declaration = '<![A-Z]+\\\\s+[^>]*>';\nvar cdata       = '<!\\\\[CDATA\\\\[[\\\\s\\\\S]*?\\\\]\\\\]>';\n\nvar HTML_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + '|' + comment +\n                        '|' + processing + '|' + declaration + '|' + cdata + ')');\nvar HTML_OPEN_CLOSE_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + ')');\n\nmodule.exports.HTML_TAG_RE = HTML_TAG_RE;\nmodule.exports.HTML_OPEN_CLOSE_TAG_RE = HTML_OPEN_CLOSE_TAG_RE;\n","// Utilities\n//\n'use strict';\n\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\n\nfunction isString(obj) { return _class(obj) === '[object String]'; }\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction has(object, key) {\n  return _hasOwnProperty.call(object, key);\n}\n\n// Merge objects\n//\nfunction assign(obj /*from1, from2, from3, ...*/) {\n  var sources = Array.prototype.slice.call(arguments, 1);\n\n  sources.forEach(function (source) {\n    if (!source) { return; }\n\n    if (typeof source !== 'object') {\n      throw new TypeError(source + 'must be object');\n    }\n\n    Object.keys(source).forEach(function (key) {\n      obj[key] = source[key];\n    });\n  });\n\n  return obj;\n}\n\n// Remove element from array and put another array at those position.\n// Useful for some operations with tokens\nfunction arrayReplaceAt(src, pos, newElements) {\n  return [].concat(src.slice(0, pos), newElements, src.slice(pos + 1));\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\nfunction isValidEntityCode(c) {\n  /*eslint no-bitwise:0*/\n  // broken sequence\n  if (c >= 0xD800 && c <= 0xDFFF) { return false; }\n  // never used\n  if (c >= 0xFDD0 && c <= 0xFDEF) { return false; }\n  if ((c & 0xFFFF) === 0xFFFF || (c & 0xFFFF) === 0xFFFE) { return false; }\n  // control codes\n  if (c >= 0x00 && c <= 0x08) { return false; }\n  if (c === 0x0B) { return false; }\n  if (c >= 0x0E && c <= 0x1F) { return false; }\n  if (c >= 0x7F && c <= 0x9F) { return false; }\n  // out of range\n  if (c > 0x10FFFF) { return false; }\n  return true;\n}\n\nfunction fromCodePoint(c) {\n  /*eslint no-bitwise:0*/\n  if (c > 0xffff) {\n    c -= 0x10000;\n    var surrogate1 = 0xd800 + (c >> 10),\n        surrogate2 = 0xdc00 + (c & 0x3ff);\n\n    return String.fromCharCode(surrogate1, surrogate2);\n  }\n  return String.fromCharCode(c);\n}\n\n\nvar UNESCAPE_MD_RE  = /\\\\([!\"#$%&'()*+,\\-.\\/:;<=>?@[\\\\\\]^_`{|}~])/g;\nvar ENTITY_RE       = /&([a-z#][a-z0-9]{1,31});/gi;\nvar UNESCAPE_ALL_RE = new RegExp(UNESCAPE_MD_RE.source + '|' + ENTITY_RE.source, 'gi');\n\nvar DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))/i;\n\nvar entities = require('./entities');\n\nfunction replaceEntityPattern(match, name) {\n  var code = 0;\n\n  if (has(entities, name)) {\n    return entities[name];\n  }\n\n  if (name.charCodeAt(0) === 0x23/* # */ && DIGITAL_ENTITY_TEST_RE.test(name)) {\n    code = name[1].toLowerCase() === 'x' ?\n      parseInt(name.slice(2), 16) : parseInt(name.slice(1), 10);\n\n    if (isValidEntityCode(code)) {\n      return fromCodePoint(code);\n    }\n  }\n\n  return match;\n}\n\n/*function replaceEntities(str) {\n  if (str.indexOf('&') < 0) { return str; }\n\n  return str.replace(ENTITY_RE, replaceEntityPattern);\n}*/\n\nfunction unescapeMd(str) {\n  if (str.indexOf('\\\\') < 0) { return str; }\n  return str.replace(UNESCAPE_MD_RE, '$1');\n}\n\nfunction unescapeAll(str) {\n  if (str.indexOf('\\\\') < 0 && str.indexOf('&') < 0) { return str; }\n\n  return str.replace(UNESCAPE_ALL_RE, function (match, escaped, entity) {\n    if (escaped) { return escaped; }\n    return replaceEntityPattern(match, entity);\n  });\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\nvar HTML_ESCAPE_TEST_RE = /[&<>\"]/;\nvar HTML_ESCAPE_REPLACE_RE = /[&<>\"]/g;\nvar HTML_REPLACEMENTS = {\n  '&': '&amp;',\n  '<': '&lt;',\n  '>': '&gt;',\n  '\"': '&quot;'\n};\n\nfunction replaceUnsafeChar(ch) {\n  return HTML_REPLACEMENTS[ch];\n}\n\nfunction escapeHtml(str) {\n  if (HTML_ESCAPE_TEST_RE.test(str)) {\n    return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);\n  }\n  return str;\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\nvar REGEXP_ESCAPE_RE = /[.?*+^$[\\]\\\\(){}|-]/g;\n\nfunction escapeRE(str) {\n  return str.replace(REGEXP_ESCAPE_RE, '\\\\$&');\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\nfunction isSpace(code) {\n  switch (code) {\n    case 0x09:\n    case 0x20:\n      return true;\n  }\n  return false;\n}\n\n// Zs (unicode class) || [\\t\\f\\v\\r\\n]\nfunction isWhiteSpace(code) {\n  if (code >= 0x2000 && code <= 0x200A) { return true; }\n  switch (code) {\n    case 0x09: // \\t\n    case 0x0A: // \\n\n    case 0x0B: // \\v\n    case 0x0C: // \\f\n    case 0x0D: // \\r\n    case 0x20:\n    case 0xA0:\n    case 0x1680:\n    case 0x202F:\n    case 0x205F:\n    case 0x3000:\n      return true;\n  }\n  return false;\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\n/*eslint-disable max-len*/\nvar UNICODE_PUNCT_RE = require('uc.micro/categories/P/regex');\n\n// Currently without astral characters support.\nfunction isPunctChar(ch) {\n  return UNICODE_PUNCT_RE.test(ch);\n}\n\n\n// Markdown ASCII punctuation characters.\n//\n// !, \", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \\, ], ^, _, `, {, |, }, or ~\n// http://spec.commonmark.org/0.15/#ascii-punctuation-character\n//\n// Don't confuse with unicode punctuation !!! It lacks some chars in ascii range.\n//\nfunction isMdAsciiPunct(ch) {\n  switch (ch) {\n    case 0x21/* ! */:\n    case 0x22/* \" */:\n    case 0x23/* # */:\n    case 0x24/* $ */:\n    case 0x25/* % */:\n    case 0x26/* & */:\n    case 0x27/* ' */:\n    case 0x28/* ( */:\n    case 0x29/* ) */:\n    case 0x2A/* * */:\n    case 0x2B/* + */:\n    case 0x2C/* , */:\n    case 0x2D/* - */:\n    case 0x2E/* . */:\n    case 0x2F/* / */:\n    case 0x3A/* : */:\n    case 0x3B/* ; */:\n    case 0x3C/* < */:\n    case 0x3D/* = */:\n    case 0x3E/* > */:\n    case 0x3F/* ? */:\n    case 0x40/* @ */:\n    case 0x5B/* [ */:\n    case 0x5C/* \\ */:\n    case 0x5D/* ] */:\n    case 0x5E/* ^ */:\n    case 0x5F/* _ */:\n    case 0x60/* ` */:\n    case 0x7B/* { */:\n    case 0x7C/* | */:\n    case 0x7D/* } */:\n    case 0x7E/* ~ */:\n      return true;\n    default:\n      return false;\n  }\n}\n\n// Hepler to unify [reference labels].\n//\nfunction normalizeReference(str) {\n  // Trim and collapse whitespace\n  //\n  str = str.trim().replace(/\\s+/g, ' ');\n\n  // In node v10 'ẞ'.toLowerCase() === 'Ṿ', which is presumed to be a bug\n  // fixed in v12 (couldn't find any details).\n  //\n  // So treat this one as a special case\n  // (remove this when node v10 is no longer supported).\n  //\n  if ('ẞ'.toLowerCase() === 'Ṿ') {\n    str = str.replace(/ẞ/g, 'ß');\n  }\n\n  // .toLowerCase().toUpperCase() should get rid of all differences\n  // between letter variants.\n  //\n  // Simple .toLowerCase() doesn't normalize 125 code points correctly,\n  // and .toUpperCase doesn't normalize 6 of them (list of exceptions:\n  // İ, ϴ, ẞ, Ω, K, Å - those are already uppercased, but have differently\n  // uppercased versions).\n  //\n  // Here's an example showing how it happens. Lets take greek letter omega:\n  // uppercase U+0398 (Θ), U+03f4 (ϴ) and lowercase U+03b8 (θ), U+03d1 (ϑ)\n  //\n  // Unicode entries:\n  // 0398;GREEK CAPITAL LETTER THETA;Lu;0;L;;;;;N;;;;03B8;\n  // 03B8;GREEK SMALL LETTER THETA;Ll;0;L;;;;;N;;;0398;;0398\n  // 03D1;GREEK THETA SYMBOL;Ll;0;L;<compat> 03B8;;;;N;GREEK SMALL LETTER SCRIPT THETA;;0398;;0398\n  // 03F4;GREEK CAPITAL THETA SYMBOL;Lu;0;L;<compat> 0398;;;;N;;;;03B8;\n  //\n  // Case-insensitive comparison should treat all of them as equivalent.\n  //\n  // But .toLowerCase() doesn't change ϑ (it's already lowercase),\n  // and .toUpperCase() doesn't change ϴ (already uppercase).\n  //\n  // Applying first lower then upper case normalizes any character:\n  // '\\u0398\\u03f4\\u03b8\\u03d1'.toLowerCase().toUpperCase() === '\\u0398\\u0398\\u0398\\u0398'\n  //\n  // Note: this is equivalent to unicode case folding; unicode normalization\n  // is a different step that is not required here.\n  //\n  // Final result should be uppercased, because it's later stored in an object\n  // (this avoid a conflict with Object.prototype members,\n  // most notably, `__proto__`)\n  //\n  return str.toLowerCase().toUpperCase();\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\n// Re-export libraries commonly used in both markdown-it and its plugins,\n// so plugins won't have to depend on them explicitly, which reduces their\n// bundled size (e.g. a browser build).\n//\nexports.lib                 = {};\nexports.lib.mdurl           = require('mdurl');\nexports.lib.ucmicro         = require('uc.micro');\n\nexports.assign              = assign;\nexports.isString            = isString;\nexports.has                 = has;\nexports.unescapeMd          = unescapeMd;\nexports.unescapeAll         = unescapeAll;\nexports.isValidEntityCode   = isValidEntityCode;\nexports.fromCodePoint       = fromCodePoint;\n// exports.replaceEntities     = replaceEntities;\nexports.escapeHtml          = escapeHtml;\nexports.arrayReplaceAt      = arrayReplaceAt;\nexports.isSpace             = isSpace;\nexports.isWhiteSpace        = isWhiteSpace;\nexports.isMdAsciiPunct      = isMdAsciiPunct;\nexports.isPunctChar         = isPunctChar;\nexports.escapeRE            = escapeRE;\nexports.normalizeReference  = normalizeReference;\n","// Just a shortcut for bulk export\n'use strict';\n\n\nexports.parseLinkLabel       = require('./parse_link_label');\nexports.parseLinkDestination = require('./parse_link_destination');\nexports.parseLinkTitle       = require('./parse_link_title');\n","// Parse link destination\n//\n'use strict';\n\n\nvar unescapeAll = require('../common/utils').unescapeAll;\n\n\nmodule.exports = function parseLinkDestination(str, pos, max) {\n  var code, level,\n      lines = 0,\n      start = pos,\n      result = {\n        ok: false,\n        pos: 0,\n        lines: 0,\n        str: ''\n      };\n\n  if (str.charCodeAt(pos) === 0x3C /* < */) {\n    pos++;\n    while (pos < max) {\n      code = str.charCodeAt(pos);\n      if (code === 0x0A /* \\n */) { return result; }\n      if (code === 0x3C /* < */) { return result; }\n      if (code === 0x3E /* > */) {\n        result.pos = pos + 1;\n        result.str = unescapeAll(str.slice(start + 1, pos));\n        result.ok = true;\n        return result;\n      }\n      if (code === 0x5C /* \\ */ && pos + 1 < max) {\n        pos += 2;\n        continue;\n      }\n\n      pos++;\n    }\n\n    // no closing '>'\n    return result;\n  }\n\n  // this should be ... } else { ... branch\n\n  level = 0;\n  while (pos < max) {\n    code = str.charCodeAt(pos);\n\n    if (code === 0x20) { break; }\n\n    // ascii control characters\n    if (code < 0x20 || code === 0x7F) { break; }\n\n    if (code === 0x5C /* \\ */ && pos + 1 < max) {\n      if (str.charCodeAt(pos + 1) === 0x20) { break; }\n      pos += 2;\n      continue;\n    }\n\n    if (code === 0x28 /* ( */) {\n      level++;\n      if (level > 32) { return result; }\n    }\n\n    if (code === 0x29 /* ) */) {\n      if (level === 0) { break; }\n      level--;\n    }\n\n    pos++;\n  }\n\n  if (start === pos) { return result; }\n  if (level !== 0) { return result; }\n\n  result.str = unescapeAll(str.slice(start, pos));\n  result.lines = lines;\n  result.pos = pos;\n  result.ok = true;\n  return result;\n};\n","// Parse link label\n//\n// this function assumes that first character (\"[\") already matches;\n// returns the end of the label\n//\n'use strict';\n\nmodule.exports = function parseLinkLabel(state, start, disableNested) {\n  var level, found, marker, prevPos,\n      labelEnd = -1,\n      max = state.posMax,\n      oldPos = state.pos;\n\n  state.pos = start + 1;\n  level = 1;\n\n  while (state.pos < max) {\n    marker = state.src.charCodeAt(state.pos);\n    if (marker === 0x5D /* ] */) {\n      level--;\n      if (level === 0) {\n        found = true;\n        break;\n      }\n    }\n\n    prevPos = state.pos;\n    state.md.inline.skipToken(state);\n    if (marker === 0x5B /* [ */) {\n      if (prevPos === state.pos - 1) {\n        // increase level if we find text `[`, which is not a part of any token\n        level++;\n      } else if (disableNested) {\n        state.pos = oldPos;\n        return -1;\n      }\n    }\n  }\n\n  if (found) {\n    labelEnd = state.pos;\n  }\n\n  // restore old state\n  state.pos = oldPos;\n\n  return labelEnd;\n};\n","// Parse link title\n//\n'use strict';\n\n\nvar unescapeAll = require('../common/utils').unescapeAll;\n\n\nmodule.exports = function parseLinkTitle(str, pos, max) {\n  var code,\n      marker,\n      lines = 0,\n      start = pos,\n      result = {\n        ok: false,\n        pos: 0,\n        lines: 0,\n        str: ''\n      };\n\n  if (pos >= max) { return result; }\n\n  marker = str.charCodeAt(pos);\n\n  if (marker !== 0x22 /* \" */ && marker !== 0x27 /* ' */ && marker !== 0x28 /* ( */) { return result; }\n\n  pos++;\n\n  // if opening marker is \"(\", switch it to closing marker \")\"\n  if (marker === 0x28) { marker = 0x29; }\n\n  while (pos < max) {\n    code = str.charCodeAt(pos);\n    if (code === marker) {\n      result.pos = pos + 1;\n      result.lines = lines;\n      result.str = unescapeAll(str.slice(start + 1, pos));\n      result.ok = true;\n      return result;\n    } else if (code === 0x28 /* ( */ && marker === 0x29 /* ) */) {\n      return result;\n    } else if (code === 0x0A) {\n      lines++;\n    } else if (code === 0x5C /* \\ */ && pos + 1 < max) {\n      pos++;\n      if (str.charCodeAt(pos) === 0x0A) {\n        lines++;\n      }\n    }\n\n    pos++;\n  }\n\n  return result;\n};\n","// Main parser class\n\n'use strict';\n\n\nvar utils        = require('./common/utils');\nvar helpers      = require('./helpers');\nvar Renderer     = require('./renderer');\nvar ParserCore   = require('./parser_core');\nvar ParserBlock  = require('./parser_block');\nvar ParserInline = require('./parser_inline');\nvar LinkifyIt    = require('linkify-it');\nvar mdurl        = require('mdurl');\nvar punycode     = require('punycode');\n\n\nvar config = {\n  default: require('./presets/default'),\n  zero: require('./presets/zero'),\n  commonmark: require('./presets/commonmark')\n};\n\n////////////////////////////////////////////////////////////////////////////////\n//\n// This validator can prohibit more than really needed to prevent XSS. It's a\n// tradeoff to keep code simple and to be secure by default.\n//\n// If you need different setup - override validator method as you wish. Or\n// replace it with dummy function and use external sanitizer.\n//\n\nvar BAD_PROTO_RE = /^(vbscript|javascript|file|data):/;\nvar GOOD_DATA_RE = /^data:image\\/(gif|png|jpeg|webp);/;\n\nfunction validateLink(url) {\n  // url should be normalized at this point, and existing entities are decoded\n  var str = url.trim().toLowerCase();\n\n  return BAD_PROTO_RE.test(str) ? (GOOD_DATA_RE.test(str) ? true : false) : true;\n}\n\n////////////////////////////////////////////////////////////////////////////////\n\n\nvar RECODE_HOSTNAME_FOR = [ 'http:', 'https:', 'mailto:' ];\n\nfunction normalizeLink(url) {\n  var parsed = mdurl.parse(url, true);\n\n  if (parsed.hostname) {\n    // Encode hostnames in urls like:\n    // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`\n    //\n    // We don't encode unknown schemas, because it's likely that we encode\n    // something we shouldn't (e.g. `skype:name` treated as `skype:host`)\n    //\n    if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {\n      try {\n        parsed.hostname = punycode.toASCII(parsed.hostname);\n      } catch (er) { /**/ }\n    }\n  }\n\n  return mdurl.encode(mdurl.format(parsed));\n}\n\nfunction normalizeLinkText(url) {\n  var parsed = mdurl.parse(url, true);\n\n  if (parsed.hostname) {\n    // Encode hostnames in urls like:\n    // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`\n    //\n    // We don't encode unknown schemas, because it's likely that we encode\n    // something we shouldn't (e.g. `skype:name` treated as `skype:host`)\n    //\n    if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {\n      try {\n        parsed.hostname = punycode.toUnicode(parsed.hostname);\n      } catch (er) { /**/ }\n    }\n  }\n\n  // add '%' to exclude list because of https://github.com/markdown-it/markdown-it/issues/720\n  return mdurl.decode(mdurl.format(parsed), mdurl.decode.defaultChars + '%');\n}\n\n\n/**\n * class MarkdownIt\n *\n * Main parser/renderer class.\n *\n * ##### Usage\n *\n * ```javascript\n * // node.js, \"classic\" way:\n * var MarkdownIt = require('markdown-it'),\n *     md = new MarkdownIt();\n * var result = md.render('# markdown-it rulezz!');\n *\n * // node.js, the same, but with sugar:\n * var md = require('markdown-it')();\n * var result = md.render('# markdown-it rulezz!');\n *\n * // browser without AMD, added to \"window\" on script load\n * // Note, there are no dash.\n * var md = window.markdownit();\n * var result = md.render('# markdown-it rulezz!');\n * ```\n *\n * Single line rendering, without paragraph wrap:\n *\n * ```javascript\n * var md = require('markdown-it')();\n * var result = md.renderInline('__markdown-it__ rulezz!');\n * ```\n **/\n\n/**\n * new MarkdownIt([presetName, options])\n * - presetName (String): optional, `commonmark` / `zero`\n * - options (Object)\n *\n * Creates parser instanse with given config. Can be called without `new`.\n *\n * ##### presetName\n *\n * MarkdownIt provides named presets as a convenience to quickly\n * enable/disable active syntax rules and options for common use cases.\n *\n * - [\"commonmark\"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/commonmark.js) -\n *   configures parser to strict [CommonMark](http://commonmark.org/) mode.\n * - [default](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/default.js) -\n *   similar to GFM, used when no preset name given. Enables all available rules,\n *   but still without html, typographer & autolinker.\n * - [\"zero\"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/zero.js) -\n *   all rules disabled. Useful to quickly setup your config via `.enable()`.\n *   For example, when you need only `bold` and `italic` markup and nothing else.\n *\n * ##### options:\n *\n * - __html__ - `false`. Set `true` to enable HTML tags in source. Be careful!\n *   That's not safe! You may need external sanitizer to protect output from XSS.\n *   It's better to extend features via plugins, instead of enabling HTML.\n * - __xhtmlOut__ - `false`. Set `true` to add '/' when closing single tags\n *   (`<br />`). This is needed only for full CommonMark compatibility. In real\n *   world you will need HTML output.\n * - __breaks__ - `false`. Set `true` to convert `\\n` in paragraphs into `<br>`.\n * - __langPrefix__ - `language-`. CSS language class prefix for fenced blocks.\n *   Can be useful for external highlighters.\n * - __linkify__ - `false`. Set `true` to autoconvert URL-like text to links.\n * - __typographer__  - `false`. Set `true` to enable [some language-neutral\n *   replacement](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/replacements.js) +\n *   quotes beautification (smartquotes).\n * - __quotes__ - `“”‘’`, String or Array. Double + single quotes replacement\n *   pairs, when typographer enabled and smartquotes on. For example, you can\n *   use `'«»„“'` for Russian, `'„“‚‘'` for German, and\n *   `['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›']` for French (including nbsp).\n * - __highlight__ - `null`. Highlighter function for fenced code blocks.\n *   Highlighter `function (str, lang)` should return escaped HTML. It can also\n *   return empty string if the source was not changed and should be escaped\n *   externaly. If result starts with <pre... internal wrapper is skipped.\n *\n * ##### Example\n *\n * ```javascript\n * // commonmark mode\n * var md = require('markdown-it')('commonmark');\n *\n * // default mode\n * var md = require('markdown-it')();\n *\n * // enable everything\n * var md = require('markdown-it')({\n *   html: true,\n *   linkify: true,\n *   typographer: true\n * });\n * ```\n *\n * ##### Syntax highlighting\n *\n * ```js\n * var hljs = require('highlight.js') // https://highlightjs.org/\n *\n * var md = require('markdown-it')({\n *   highlight: function (str, lang) {\n *     if (lang && hljs.getLanguage(lang)) {\n *       try {\n *         return hljs.highlight(str, { language: lang, ignoreIllegals: true }).value;\n *       } catch (__) {}\n *     }\n *\n *     return ''; // use external default escaping\n *   }\n * });\n * ```\n *\n * Or with full wrapper override (if you need assign class to `<pre>`):\n *\n * ```javascript\n * var hljs = require('highlight.js') // https://highlightjs.org/\n *\n * // Actual default values\n * var md = require('markdown-it')({\n *   highlight: function (str, lang) {\n *     if (lang && hljs.getLanguage(lang)) {\n *       try {\n *         return '<pre class=\"hljs\"><code>' +\n *                hljs.highlight(str, { language: lang, ignoreIllegals: true }).value +\n *                '</code></pre>';\n *       } catch (__) {}\n *     }\n *\n *     return '<pre class=\"hljs\"><code>' + md.utils.escapeHtml(str) + '</code></pre>';\n *   }\n * });\n * ```\n *\n **/\nfunction MarkdownIt(presetName, options) {\n  if (!(this instanceof MarkdownIt)) {\n    return new MarkdownIt(presetName, options);\n  }\n\n  if (!options) {\n    if (!utils.isString(presetName)) {\n      options = presetName || {};\n      presetName = 'default';\n    }\n  }\n\n  /**\n   * MarkdownIt#inline -> ParserInline\n   *\n   * Instance of [[ParserInline]]. You may need it to add new rules when\n   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n   * [[MarkdownIt.enable]].\n   **/\n  this.inline = new ParserInline();\n\n  /**\n   * MarkdownIt#block -> ParserBlock\n   *\n   * Instance of [[ParserBlock]]. You may need it to add new rules when\n   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n   * [[MarkdownIt.enable]].\n   **/\n  this.block = new ParserBlock();\n\n  /**\n   * MarkdownIt#core -> Core\n   *\n   * Instance of [[Core]] chain executor. You may need it to add new rules when\n   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n   * [[MarkdownIt.enable]].\n   **/\n  this.core = new ParserCore();\n\n  /**\n   * MarkdownIt#renderer -> Renderer\n   *\n   * Instance of [[Renderer]]. Use it to modify output look. Or to add rendering\n   * rules for new token types, generated by plugins.\n   *\n   * ##### Example\n   *\n   * ```javascript\n   * var md = require('markdown-it')();\n   *\n   * function myToken(tokens, idx, options, env, self) {\n   *   //...\n   *   return result;\n   * };\n   *\n   * md.renderer.rules['my_token'] = myToken\n   * ```\n   *\n   * See [[Renderer]] docs and [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js).\n   **/\n  this.renderer = new Renderer();\n\n  /**\n   * MarkdownIt#linkify -> LinkifyIt\n   *\n   * [linkify-it](https://github.com/markdown-it/linkify-it) instance.\n   * Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/linkify.js)\n   * rule.\n   **/\n  this.linkify = new LinkifyIt();\n\n  /**\n   * MarkdownIt#validateLink(url) -> Boolean\n   *\n   * Link validation function. CommonMark allows too much in links. By default\n   * we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas\n   * except some embedded image types.\n   *\n   * You can change this behaviour:\n   *\n   * ```javascript\n   * var md = require('markdown-it')();\n   * // enable everything\n   * md.validateLink = function () { return true; }\n   * ```\n   **/\n  this.validateLink = validateLink;\n\n  /**\n   * MarkdownIt#normalizeLink(url) -> String\n   *\n   * Function used to encode link url to a machine-readable format,\n   * which includes url-encoding, punycode, etc.\n   **/\n  this.normalizeLink = normalizeLink;\n\n  /**\n   * MarkdownIt#normalizeLinkText(url) -> String\n   *\n   * Function used to decode link url to a human-readable format`\n   **/\n  this.normalizeLinkText = normalizeLinkText;\n\n\n  // Expose utils & helpers for easy acces from plugins\n\n  /**\n   * MarkdownIt#utils -> utils\n   *\n   * Assorted utility functions, useful to write plugins. See details\n   * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.js).\n   **/\n  this.utils = utils;\n\n  /**\n   * MarkdownIt#helpers -> helpers\n   *\n   * Link components parser functions, useful to write plugins. See details\n   * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/helpers).\n   **/\n  this.helpers = utils.assign({}, helpers);\n\n\n  this.options = {};\n  this.configure(presetName);\n\n  if (options) { this.set(options); }\n}\n\n\n/** chainable\n * MarkdownIt.set(options)\n *\n * Set parser options (in the same format as in constructor). Probably, you\n * will never need it, but you can change options after constructor call.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n *             .set({ html: true, breaks: true })\n *             .set({ typographer, true });\n * ```\n *\n * __Note:__ To achieve the best possible performance, don't modify a\n * `markdown-it` instance options on the fly. If you need multiple configurations\n * it's best to create multiple instances and initialize each with separate\n * config.\n **/\nMarkdownIt.prototype.set = function (options) {\n  utils.assign(this.options, options);\n  return this;\n};\n\n\n/** chainable, internal\n * MarkdownIt.configure(presets)\n *\n * Batch load of all options and compenent settings. This is internal method,\n * and you probably will not need it. But if you will - see available presets\n * and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)\n *\n * We strongly recommend to use presets instead of direct config loads. That\n * will give better compatibility with next versions.\n **/\nMarkdownIt.prototype.configure = function (presets) {\n  var self = this, presetName;\n\n  if (utils.isString(presets)) {\n    presetName = presets;\n    presets = config[presetName];\n    if (!presets) { throw new Error('Wrong `markdown-it` preset \"' + presetName + '\", check name'); }\n  }\n\n  if (!presets) { throw new Error('Wrong `markdown-it` preset, can\\'t be empty'); }\n\n  if (presets.options) { self.set(presets.options); }\n\n  if (presets.components) {\n    Object.keys(presets.components).forEach(function (name) {\n      if (presets.components[name].rules) {\n        self[name].ruler.enableOnly(presets.components[name].rules);\n      }\n      if (presets.components[name].rules2) {\n        self[name].ruler2.enableOnly(presets.components[name].rules2);\n      }\n    });\n  }\n  return this;\n};\n\n\n/** chainable\n * MarkdownIt.enable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to enable\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable list or rules. It will automatically find appropriate components,\n * containing rules with given names. If rule not found, and `ignoreInvalid`\n * not set - throws exception.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n *             .enable(['sub', 'sup'])\n *             .disable('smartquotes');\n * ```\n **/\nMarkdownIt.prototype.enable = function (list, ignoreInvalid) {\n  var result = [];\n\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  [ 'core', 'block', 'inline' ].forEach(function (chain) {\n    result = result.concat(this[chain].ruler.enable(list, true));\n  }, this);\n\n  result = result.concat(this.inline.ruler2.enable(list, true));\n\n  var missed = list.filter(function (name) { return result.indexOf(name) < 0; });\n\n  if (missed.length && !ignoreInvalid) {\n    throw new Error('MarkdownIt. Failed to enable unknown rule(s): ' + missed);\n  }\n\n  return this;\n};\n\n\n/** chainable\n * MarkdownIt.disable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to disable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * The same as [[MarkdownIt.enable]], but turn specified rules off.\n **/\nMarkdownIt.prototype.disable = function (list, ignoreInvalid) {\n  var result = [];\n\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  [ 'core', 'block', 'inline' ].forEach(function (chain) {\n    result = result.concat(this[chain].ruler.disable(list, true));\n  }, this);\n\n  result = result.concat(this.inline.ruler2.disable(list, true));\n\n  var missed = list.filter(function (name) { return result.indexOf(name) < 0; });\n\n  if (missed.length && !ignoreInvalid) {\n    throw new Error('MarkdownIt. Failed to disable unknown rule(s): ' + missed);\n  }\n  return this;\n};\n\n\n/** chainable\n * MarkdownIt.use(plugin, params)\n *\n * Load specified plugin with given params into current parser instance.\n * It's just a sugar to call `plugin(md, params)` with curring.\n *\n * ##### Example\n *\n * ```javascript\n * var iterator = require('markdown-it-for-inline');\n * var md = require('markdown-it')()\n *             .use(iterator, 'foo_replace', 'text', function (tokens, idx) {\n *               tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar');\n *             });\n * ```\n **/\nMarkdownIt.prototype.use = function (plugin /*, params, ... */) {\n  var args = [ this ].concat(Array.prototype.slice.call(arguments, 1));\n  plugin.apply(plugin, args);\n  return this;\n};\n\n\n/** internal\n * MarkdownIt.parse(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Parse input string and return list of block tokens (special token type\n * \"inline\" will contain list of inline tokens). You should not call this\n * method directly, until you write custom renderer (for example, to produce\n * AST).\n *\n * `env` is used to pass data between \"distributed\" rules and return additional\n * metadata like reference info, needed for the renderer. It also can be used to\n * inject data in specific cases. Usually, you will be ok to pass `{}`,\n * and then pass updated object to renderer.\n **/\nMarkdownIt.prototype.parse = function (src, env) {\n  if (typeof src !== 'string') {\n    throw new Error('Input data should be a String');\n  }\n\n  var state = new this.core.State(src, this, env);\n\n  this.core.process(state);\n\n  return state.tokens;\n};\n\n\n/**\n * MarkdownIt.render(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Render markdown string into html. It does all magic for you :).\n *\n * `env` can be used to inject additional metadata (`{}` by default).\n * But you will not need it with high probability. See also comment\n * in [[MarkdownIt.parse]].\n **/\nMarkdownIt.prototype.render = function (src, env) {\n  env = env || {};\n\n  return this.renderer.render(this.parse(src, env), this.options, env);\n};\n\n\n/** internal\n * MarkdownIt.parseInline(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * The same as [[MarkdownIt.parse]] but skip all block rules. It returns the\n * block tokens list with the single `inline` element, containing parsed inline\n * tokens in `children` property. Also updates `env` object.\n **/\nMarkdownIt.prototype.parseInline = function (src, env) {\n  var state = new this.core.State(src, this, env);\n\n  state.inlineMode = true;\n  this.core.process(state);\n\n  return state.tokens;\n};\n\n\n/**\n * MarkdownIt.renderInline(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Similar to [[MarkdownIt.render]] but for single paragraph content. Result\n * will NOT be wrapped into `<p>` tags.\n **/\nMarkdownIt.prototype.renderInline = function (src, env) {\n  env = env || {};\n\n  return this.renderer.render(this.parseInline(src, env), this.options, env);\n};\n\n\nmodule.exports = MarkdownIt;\n","/** internal\n * class ParserBlock\n *\n * Block-level tokenizer.\n **/\n'use strict';\n\n\nvar Ruler           = require('./ruler');\n\n\nvar _rules = [\n  // First 2 params - rule name & source. Secondary array - list of rules,\n  // which can be terminated by this one.\n  [ 'table',      require('./rules_block/table'),      [ 'paragraph', 'reference' ] ],\n  [ 'code',       require('./rules_block/code') ],\n  [ 'fence',      require('./rules_block/fence'),      [ 'paragraph', 'reference', 'blockquote', 'list' ] ],\n  [ 'blockquote', require('./rules_block/blockquote'), [ 'paragraph', 'reference', 'blockquote', 'list' ] ],\n  [ 'hr',         require('./rules_block/hr'),         [ 'paragraph', 'reference', 'blockquote', 'list' ] ],\n  [ 'list',       require('./rules_block/list'),       [ 'paragraph', 'reference', 'blockquote' ] ],\n  [ 'reference',  require('./rules_block/reference') ],\n  [ 'html_block', require('./rules_block/html_block'), [ 'paragraph', 'reference', 'blockquote' ] ],\n  [ 'heading',    require('./rules_block/heading'),    [ 'paragraph', 'reference', 'blockquote' ] ],\n  [ 'lheading',   require('./rules_block/lheading') ],\n  [ 'paragraph',  require('./rules_block/paragraph') ]\n];\n\n\n/**\n * new ParserBlock()\n **/\nfunction ParserBlock() {\n  /**\n   * ParserBlock#ruler -> Ruler\n   *\n   * [[Ruler]] instance. Keep configuration of block rules.\n   **/\n  this.ruler = new Ruler();\n\n  for (var i = 0; i < _rules.length; i++) {\n    this.ruler.push(_rules[i][0], _rules[i][1], { alt: (_rules[i][2] || []).slice() });\n  }\n}\n\n\n// Generate tokens for input range\n//\nParserBlock.prototype.tokenize = function (state, startLine, endLine) {\n  var ok, i,\n      rules = this.ruler.getRules(''),\n      len = rules.length,\n      line = startLine,\n      hasEmptyLines = false,\n      maxNesting = state.md.options.maxNesting;\n\n  while (line < endLine) {\n    state.line = line = state.skipEmptyLines(line);\n    if (line >= endLine) { break; }\n\n    // Termination condition for nested calls.\n    // Nested calls currently used for blockquotes & lists\n    if (state.sCount[line] < state.blkIndent) { break; }\n\n    // If nesting level exceeded - skip tail to the end. That's not ordinary\n    // situation and we should not care about content.\n    if (state.level >= maxNesting) {\n      state.line = endLine;\n      break;\n    }\n\n    // Try all possible rules.\n    // On success, rule should:\n    //\n    // - update `state.line`\n    // - update `state.tokens`\n    // - return true\n\n    for (i = 0; i < len; i++) {\n      ok = rules[i](state, line, endLine, false);\n      if (ok) { break; }\n    }\n\n    // set state.tight if we had an empty line before current tag\n    // i.e. latest empty line should not count\n    state.tight = !hasEmptyLines;\n\n    // paragraph might \"eat\" one newline after it in nested lists\n    if (state.isEmpty(state.line - 1)) {\n      hasEmptyLines = true;\n    }\n\n    line = state.line;\n\n    if (line < endLine && state.isEmpty(line)) {\n      hasEmptyLines = true;\n      line++;\n      state.line = line;\n    }\n  }\n};\n\n\n/**\n * ParserBlock.parse(str, md, env, outTokens)\n *\n * Process input string and push block tokens into `outTokens`\n **/\nParserBlock.prototype.parse = function (src, md, env, outTokens) {\n  var state;\n\n  if (!src) { return; }\n\n  state = new this.State(src, md, env, outTokens);\n\n  this.tokenize(state, state.line, state.lineMax);\n};\n\n\nParserBlock.prototype.State = require('./rules_block/state_block');\n\n\nmodule.exports = ParserBlock;\n","/** internal\n * class Core\n *\n * Top-level rules executor. Glues block/inline parsers and does intermediate\n * transformations.\n **/\n'use strict';\n\n\nvar Ruler  = require('./ruler');\n\n\nvar _rules = [\n  [ 'normalize',      require('./rules_core/normalize')      ],\n  [ 'block',          require('./rules_core/block')          ],\n  [ 'inline',         require('./rules_core/inline')         ],\n  [ 'linkify',        require('./rules_core/linkify')        ],\n  [ 'replacements',   require('./rules_core/replacements')   ],\n  [ 'smartquotes',    require('./rules_core/smartquotes')    ]\n];\n\n\n/**\n * new Core()\n **/\nfunction Core() {\n  /**\n   * Core#ruler -> Ruler\n   *\n   * [[Ruler]] instance. Keep configuration of core rules.\n   **/\n  this.ruler = new Ruler();\n\n  for (var i = 0; i < _rules.length; i++) {\n    this.ruler.push(_rules[i][0], _rules[i][1]);\n  }\n}\n\n\n/**\n * Core.process(state)\n *\n * Executes core chain rules.\n **/\nCore.prototype.process = function (state) {\n  var i, l, rules;\n\n  rules = this.ruler.getRules('');\n\n  for (i = 0, l = rules.length; i < l; i++) {\n    rules[i](state);\n  }\n};\n\nCore.prototype.State = require('./rules_core/state_core');\n\n\nmodule.exports = Core;\n","/** internal\n * class ParserInline\n *\n * Tokenizes paragraph content.\n **/\n'use strict';\n\n\nvar Ruler           = require('./ruler');\n\n\n////////////////////////////////////////////////////////////////////////////////\n// Parser rules\n\nvar _rules = [\n  [ 'text',            require('./rules_inline/text') ],\n  [ 'newline',         require('./rules_inline/newline') ],\n  [ 'escape',          require('./rules_inline/escape') ],\n  [ 'backticks',       require('./rules_inline/backticks') ],\n  [ 'strikethrough',   require('./rules_inline/strikethrough').tokenize ],\n  [ 'emphasis',        require('./rules_inline/emphasis').tokenize ],\n  [ 'link',            require('./rules_inline/link') ],\n  [ 'image',           require('./rules_inline/image') ],\n  [ 'autolink',        require('./rules_inline/autolink') ],\n  [ 'html_inline',     require('./rules_inline/html_inline') ],\n  [ 'entity',          require('./rules_inline/entity') ]\n];\n\nvar _rules2 = [\n  [ 'balance_pairs',   require('./rules_inline/balance_pairs') ],\n  [ 'strikethrough',   require('./rules_inline/strikethrough').postProcess ],\n  [ 'emphasis',        require('./rules_inline/emphasis').postProcess ],\n  [ 'text_collapse',   require('./rules_inline/text_collapse') ]\n];\n\n\n/**\n * new ParserInline()\n **/\nfunction ParserInline() {\n  var i;\n\n  /**\n   * ParserInline#ruler -> Ruler\n   *\n   * [[Ruler]] instance. Keep configuration of inline rules.\n   **/\n  this.ruler = new Ruler();\n\n  for (i = 0; i < _rules.length; i++) {\n    this.ruler.push(_rules[i][0], _rules[i][1]);\n  }\n\n  /**\n   * ParserInline#ruler2 -> Ruler\n   *\n   * [[Ruler]] instance. Second ruler used for post-processing\n   * (e.g. in emphasis-like rules).\n   **/\n  this.ruler2 = new Ruler();\n\n  for (i = 0; i < _rules2.length; i++) {\n    this.ruler2.push(_rules2[i][0], _rules2[i][1]);\n  }\n}\n\n\n// Skip single token by running all rules in validation mode;\n// returns `true` if any rule reported success\n//\nParserInline.prototype.skipToken = function (state) {\n  var ok, i, pos = state.pos,\n      rules = this.ruler.getRules(''),\n      len = rules.length,\n      maxNesting = state.md.options.maxNesting,\n      cache = state.cache;\n\n\n  if (typeof cache[pos] !== 'undefined') {\n    state.pos = cache[pos];\n    return;\n  }\n\n  if (state.level < maxNesting) {\n    for (i = 0; i < len; i++) {\n      // Increment state.level and decrement it later to limit recursion.\n      // It's harmless to do here, because no tokens are created. But ideally,\n      // we'd need a separate private state variable for this purpose.\n      //\n      state.level++;\n      ok = rules[i](state, true);\n      state.level--;\n\n      if (ok) { break; }\n    }\n  } else {\n    // Too much nesting, just skip until the end of the paragraph.\n    //\n    // NOTE: this will cause links to behave incorrectly in the following case,\n    //       when an amount of `[` is exactly equal to `maxNesting + 1`:\n    //\n    //       [[[[[[[[[[[[[[[[[[[[[foo]()\n    //\n    // TODO: remove this workaround when CM standard will allow nested links\n    //       (we can replace it by preventing links from being parsed in\n    //       validation mode)\n    //\n    state.pos = state.posMax;\n  }\n\n  if (!ok) { state.pos++; }\n  cache[pos] = state.pos;\n};\n\n\n// Generate tokens for input range\n//\nParserInline.prototype.tokenize = function (state) {\n  var ok, i,\n      rules = this.ruler.getRules(''),\n      len = rules.length,\n      end = state.posMax,\n      maxNesting = state.md.options.maxNesting;\n\n  while (state.pos < end) {\n    // Try all possible rules.\n    // On success, rule should:\n    //\n    // - update `state.pos`\n    // - update `state.tokens`\n    // - return true\n\n    if (state.level < maxNesting) {\n      for (i = 0; i < len; i++) {\n        ok = rules[i](state, false);\n        if (ok) { break; }\n      }\n    }\n\n    if (ok) {\n      if (state.pos >= end) { break; }\n      continue;\n    }\n\n    state.pending += state.src[state.pos++];\n  }\n\n  if (state.pending) {\n    state.pushPending();\n  }\n};\n\n\n/**\n * ParserInline.parse(str, md, env, outTokens)\n *\n * Process input string and push inline tokens into `outTokens`\n **/\nParserInline.prototype.parse = function (str, md, env, outTokens) {\n  var i, rules, len;\n  var state = new this.State(str, md, env, outTokens);\n\n  this.tokenize(state);\n\n  rules = this.ruler2.getRules('');\n  len = rules.length;\n\n  for (i = 0; i < len; i++) {\n    rules[i](state);\n  }\n};\n\n\nParserInline.prototype.State = require('./rules_inline/state_inline');\n\n\nmodule.exports = ParserInline;\n","// Commonmark default options\n\n'use strict';\n\n\nmodule.exports = {\n  options: {\n    html:         true,         // Enable HTML tags in source\n    xhtmlOut:     true,         // Use '/' to close single tags (<br />)\n    breaks:       false,        // Convert '\\n' in paragraphs into <br>\n    langPrefix:   'language-',  // CSS language prefix for fenced blocks\n    linkify:      false,        // autoconvert URL-like texts to links\n\n    // Enable some language-neutral replacements + quotes beautification\n    typographer:  false,\n\n    // Double + single quotes replacement pairs, when typographer enabled,\n    // and smartquotes on. Could be either a String or an Array.\n    //\n    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n    // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n    quotes: '\\u201c\\u201d\\u2018\\u2019', /* “”‘’ */\n\n    // Highlighter function. Should return escaped HTML,\n    // or '' if the source string is not changed and should be escaped externaly.\n    // If result starts with <pre... internal wrapper is skipped.\n    //\n    // function (/*str, lang*/) { return ''; }\n    //\n    highlight: null,\n\n    maxNesting:   20            // Internal protection, recursion limit\n  },\n\n  components: {\n\n    core: {\n      rules: [\n        'normalize',\n        'block',\n        'inline'\n      ]\n    },\n\n    block: {\n      rules: [\n        'blockquote',\n        'code',\n        'fence',\n        'heading',\n        'hr',\n        'html_block',\n        'lheading',\n        'list',\n        'reference',\n        'paragraph'\n      ]\n    },\n\n    inline: {\n      rules: [\n        'autolink',\n        'backticks',\n        'emphasis',\n        'entity',\n        'escape',\n        'html_inline',\n        'image',\n        'link',\n        'newline',\n        'text'\n      ],\n      rules2: [\n        'balance_pairs',\n        'emphasis',\n        'text_collapse'\n      ]\n    }\n  }\n};\n","// markdown-it default options\n\n'use strict';\n\n\nmodule.exports = {\n  options: {\n    html:         false,        // Enable HTML tags in source\n    xhtmlOut:     false,        // Use '/' to close single tags (<br />)\n    breaks:       false,        // Convert '\\n' in paragraphs into <br>\n    langPrefix:   'language-',  // CSS language prefix for fenced blocks\n    linkify:      false,        // autoconvert URL-like texts to links\n\n    // Enable some language-neutral replacements + quotes beautification\n    typographer:  false,\n\n    // Double + single quotes replacement pairs, when typographer enabled,\n    // and smartquotes on. Could be either a String or an Array.\n    //\n    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n    // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n    quotes: '\\u201c\\u201d\\u2018\\u2019', /* “”‘’ */\n\n    // Highlighter function. Should return escaped HTML,\n    // or '' if the source string is not changed and should be escaped externaly.\n    // If result starts with <pre... internal wrapper is skipped.\n    //\n    // function (/*str, lang*/) { return ''; }\n    //\n    highlight: null,\n\n    maxNesting:   100            // Internal protection, recursion limit\n  },\n\n  components: {\n\n    core: {},\n    block: {},\n    inline: {}\n  }\n};\n","// \"Zero\" preset, with nothing enabled. Useful for manual configuring of simple\n// modes. For example, to parse bold/italic only.\n\n'use strict';\n\n\nmodule.exports = {\n  options: {\n    html:         false,        // Enable HTML tags in source\n    xhtmlOut:     false,        // Use '/' to close single tags (<br />)\n    breaks:       false,        // Convert '\\n' in paragraphs into <br>\n    langPrefix:   'language-',  // CSS language prefix for fenced blocks\n    linkify:      false,        // autoconvert URL-like texts to links\n\n    // Enable some language-neutral replacements + quotes beautification\n    typographer:  false,\n\n    // Double + single quotes replacement pairs, when typographer enabled,\n    // and smartquotes on. Could be either a String or an Array.\n    //\n    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,\n    // and ['«\\xA0', '\\xA0»', '‹\\xA0', '\\xA0›'] for French (including nbsp).\n    quotes: '\\u201c\\u201d\\u2018\\u2019', /* “”‘’ */\n\n    // Highlighter function. Should return escaped HTML,\n    // or '' if the source string is not changed and should be escaped externaly.\n    // If result starts with <pre... internal wrapper is skipped.\n    //\n    // function (/*str, lang*/) { return ''; }\n    //\n    highlight: null,\n\n    maxNesting:   20            // Internal protection, recursion limit\n  },\n\n  components: {\n\n    core: {\n      rules: [\n        'normalize',\n        'block',\n        'inline'\n      ]\n    },\n\n    block: {\n      rules: [\n        'paragraph'\n      ]\n    },\n\n    inline: {\n      rules: [\n        'text'\n      ],\n      rules2: [\n        'balance_pairs',\n        'text_collapse'\n      ]\n    }\n  }\n};\n","/**\n * class Renderer\n *\n * Generates HTML from parsed token stream. Each instance has independent\n * copy of rules. Those can be rewritten with ease. Also, you can add new\n * rules if you create plugin and adds new token types.\n **/\n'use strict';\n\n\nvar assign          = require('./common/utils').assign;\nvar unescapeAll     = require('./common/utils').unescapeAll;\nvar escapeHtml      = require('./common/utils').escapeHtml;\n\n\n////////////////////////////////////////////////////////////////////////////////\n\nvar default_rules = {};\n\n\ndefault_rules.code_inline = function (tokens, idx, options, env, slf) {\n  var token = tokens[idx];\n\n  return  '<code' + slf.renderAttrs(token) + '>' +\n          escapeHtml(tokens[idx].content) +\n          '</code>';\n};\n\n\ndefault_rules.code_block = function (tokens, idx, options, env, slf) {\n  var token = tokens[idx];\n\n  return  '<pre' + slf.renderAttrs(token) + '><code>' +\n          escapeHtml(tokens[idx].content) +\n          '</code></pre>\\n';\n};\n\n\ndefault_rules.fence = function (tokens, idx, options, env, slf) {\n  var token = tokens[idx],\n      info = token.info ? unescapeAll(token.info).trim() : '',\n      langName = '',\n      langAttrs = '',\n      highlighted, i, arr, tmpAttrs, tmpToken;\n\n  if (info) {\n    arr = info.split(/(\\s+)/g);\n    langName = arr[0];\n    langAttrs = arr.slice(2).join('');\n  }\n\n  if (options.highlight) {\n    highlighted = options.highlight(token.content, langName, langAttrs) || escapeHtml(token.content);\n  } else {\n    highlighted = escapeHtml(token.content);\n  }\n\n  if (highlighted.indexOf('<pre') === 0) {\n    return highlighted + '\\n';\n  }\n\n  // If language exists, inject class gently, without modifying original token.\n  // May be, one day we will add .deepClone() for token and simplify this part, but\n  // now we prefer to keep things local.\n  if (info) {\n    i        = token.attrIndex('class');\n    tmpAttrs = token.attrs ? token.attrs.slice() : [];\n\n    if (i < 0) {\n      tmpAttrs.push([ 'class', options.langPrefix + langName ]);\n    } else {\n      tmpAttrs[i] = tmpAttrs[i].slice();\n      tmpAttrs[i][1] += ' ' + options.langPrefix + langName;\n    }\n\n    // Fake token just to render attributes\n    tmpToken = {\n      attrs: tmpAttrs\n    };\n\n    return  '<pre><code' + slf.renderAttrs(tmpToken) + '>'\n          + highlighted\n          + '</code></pre>\\n';\n  }\n\n\n  return  '<pre><code' + slf.renderAttrs(token) + '>'\n        + highlighted\n        + '</code></pre>\\n';\n};\n\n\ndefault_rules.image = function (tokens, idx, options, env, slf) {\n  var token = tokens[idx];\n\n  // \"alt\" attr MUST be set, even if empty. Because it's mandatory and\n  // should be placed on proper position for tests.\n  //\n  // Replace content with actual value\n\n  token.attrs[token.attrIndex('alt')][1] =\n    slf.renderInlineAsText(token.children, options, env);\n\n  return slf.renderToken(tokens, idx, options);\n};\n\n\ndefault_rules.hardbreak = function (tokens, idx, options /*, env */) {\n  return options.xhtmlOut ? '<br />\\n' : '<br>\\n';\n};\ndefault_rules.softbreak = function (tokens, idx, options /*, env */) {\n  return options.breaks ? (options.xhtmlOut ? '<br />\\n' : '<br>\\n') : '\\n';\n};\n\n\ndefault_rules.text = function (tokens, idx /*, options, env */) {\n  return escapeHtml(tokens[idx].content);\n};\n\n\ndefault_rules.html_block = function (tokens, idx /*, options, env */) {\n  return tokens[idx].content;\n};\ndefault_rules.html_inline = function (tokens, idx /*, options, env */) {\n  return tokens[idx].content;\n};\n\n\n/**\n * new Renderer()\n *\n * Creates new [[Renderer]] instance and fill [[Renderer#rules]] with defaults.\n **/\nfunction Renderer() {\n\n  /**\n   * Renderer#rules -> Object\n   *\n   * Contains render rules for tokens. Can be updated and extended.\n   *\n   * ##### Example\n   *\n   * ```javascript\n   * var md = require('markdown-it')();\n   *\n   * md.renderer.rules.strong_open  = function () { return '<b>'; };\n   * md.renderer.rules.strong_close = function () { return '</b>'; };\n   *\n   * var result = md.renderInline(...);\n   * ```\n   *\n   * Each rule is called as independent static function with fixed signature:\n   *\n   * ```javascript\n   * function my_token_render(tokens, idx, options, env, renderer) {\n   *   // ...\n   *   return renderedHTML;\n   * }\n   * ```\n   *\n   * See [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js)\n   * for more details and examples.\n   **/\n  this.rules = assign({}, default_rules);\n}\n\n\n/**\n * Renderer.renderAttrs(token) -> String\n *\n * Render token attributes to string.\n **/\nRenderer.prototype.renderAttrs = function renderAttrs(token) {\n  var i, l, result;\n\n  if (!token.attrs) { return ''; }\n\n  result = '';\n\n  for (i = 0, l = token.attrs.length; i < l; i++) {\n    result += ' ' + escapeHtml(token.attrs[i][0]) + '=\"' + escapeHtml(token.attrs[i][1]) + '\"';\n  }\n\n  return result;\n};\n\n\n/**\n * Renderer.renderToken(tokens, idx, options) -> String\n * - tokens (Array): list of tokens\n * - idx (Numbed): token index to render\n * - options (Object): params of parser instance\n *\n * Default token renderer. Can be overriden by custom function\n * in [[Renderer#rules]].\n **/\nRenderer.prototype.renderToken = function renderToken(tokens, idx, options) {\n  var nextToken,\n      result = '',\n      needLf = false,\n      token = tokens[idx];\n\n  // Tight list paragraphs\n  if (token.hidden) {\n    return '';\n  }\n\n  // Insert a newline between hidden paragraph and subsequent opening\n  // block-level tag.\n  //\n  // For example, here we should insert a newline before blockquote:\n  //  - a\n  //    >\n  //\n  if (token.block && token.nesting !== -1 && idx && tokens[idx - 1].hidden) {\n    result += '\\n';\n  }\n\n  // Add token name, e.g. `<img`\n  result += (token.nesting === -1 ? '</' : '<') + token.tag;\n\n  // Encode attributes, e.g. `<img src=\"foo\"`\n  result += this.renderAttrs(token);\n\n  // Add a slash for self-closing tags, e.g. `<img src=\"foo\" /`\n  if (token.nesting === 0 && options.xhtmlOut) {\n    result += ' /';\n  }\n\n  // Check if we need to add a newline after this tag\n  if (token.block) {\n    needLf = true;\n\n    if (token.nesting === 1) {\n      if (idx + 1 < tokens.length) {\n        nextToken = tokens[idx + 1];\n\n        if (nextToken.type === 'inline' || nextToken.hidden) {\n          // Block-level tag containing an inline tag.\n          //\n          needLf = false;\n\n        } else if (nextToken.nesting === -1 && nextToken.tag === token.tag) {\n          // Opening tag + closing tag of the same type. E.g. `<li></li>`.\n          //\n          needLf = false;\n        }\n      }\n    }\n  }\n\n  result += needLf ? '>\\n' : '>';\n\n  return result;\n};\n\n\n/**\n * Renderer.renderInline(tokens, options, env) -> String\n * - tokens (Array): list on block tokens to render\n * - options (Object): params of parser instance\n * - env (Object): additional data from parsed input (references, for example)\n *\n * The same as [[Renderer.render]], but for single token of `inline` type.\n **/\nRenderer.prototype.renderInline = function (tokens, options, env) {\n  var type,\n      result = '',\n      rules = this.rules;\n\n  for (var i = 0, len = tokens.length; i < len; i++) {\n    type = tokens[i].type;\n\n    if (typeof rules[type] !== 'undefined') {\n      result += rules[type](tokens, i, options, env, this);\n    } else {\n      result += this.renderToken(tokens, i, options);\n    }\n  }\n\n  return result;\n};\n\n\n/** internal\n * Renderer.renderInlineAsText(tokens, options, env) -> String\n * - tokens (Array): list on block tokens to render\n * - options (Object): params of parser instance\n * - env (Object): additional data from parsed input (references, for example)\n *\n * Special kludge for image `alt` attributes to conform CommonMark spec.\n * Don't try to use it! Spec requires to show `alt` content with stripped markup,\n * instead of simple escaping.\n **/\nRenderer.prototype.renderInlineAsText = function (tokens, options, env) {\n  var result = '';\n\n  for (var i = 0, len = tokens.length; i < len; i++) {\n    if (tokens[i].type === 'text') {\n      result += tokens[i].content;\n    } else if (tokens[i].type === 'image') {\n      result += this.renderInlineAsText(tokens[i].children, options, env);\n    } else if (tokens[i].type === 'softbreak') {\n      result += '\\n';\n    }\n  }\n\n  return result;\n};\n\n\n/**\n * Renderer.render(tokens, options, env) -> String\n * - tokens (Array): list on block tokens to render\n * - options (Object): params of parser instance\n * - env (Object): additional data from parsed input (references, for example)\n *\n * Takes token stream and generates HTML. Probably, you will never need to call\n * this method directly.\n **/\nRenderer.prototype.render = function (tokens, options, env) {\n  var i, len, type,\n      result = '',\n      rules = this.rules;\n\n  for (i = 0, len = tokens.length; i < len; i++) {\n    type = tokens[i].type;\n\n    if (type === 'inline') {\n      result += this.renderInline(tokens[i].children, options, env);\n    } else if (typeof rules[type] !== 'undefined') {\n      result += rules[tokens[i].type](tokens, i, options, env, this);\n    } else {\n      result += this.renderToken(tokens, i, options, env);\n    }\n  }\n\n  return result;\n};\n\nmodule.exports = Renderer;\n","/**\n * class Ruler\n *\n * Helper class, used by [[MarkdownIt#core]], [[MarkdownIt#block]] and\n * [[MarkdownIt#inline]] to manage sequences of functions (rules):\n *\n * - keep rules in defined order\n * - assign the name to each rule\n * - enable/disable rules\n * - add/replace rules\n * - allow assign rules to additional named chains (in the same)\n * - cacheing lists of active rules\n *\n * You will not need use this class directly until write plugins. For simple\n * rules control use [[MarkdownIt.disable]], [[MarkdownIt.enable]] and\n * [[MarkdownIt.use]].\n **/\n'use strict';\n\n\n/**\n * new Ruler()\n **/\nfunction Ruler() {\n  // List of added rules. Each element is:\n  //\n  // {\n  //   name: XXX,\n  //   enabled: Boolean,\n  //   fn: Function(),\n  //   alt: [ name2, name3 ]\n  // }\n  //\n  this.__rules__ = [];\n\n  // Cached rule chains.\n  //\n  // First level - chain name, '' for default.\n  // Second level - diginal anchor for fast filtering by charcodes.\n  //\n  this.__cache__ = null;\n}\n\n////////////////////////////////////////////////////////////////////////////////\n// Helper methods, should not be used directly\n\n\n// Find rule index by name\n//\nRuler.prototype.__find__ = function (name) {\n  for (var i = 0; i < this.__rules__.length; i++) {\n    if (this.__rules__[i].name === name) {\n      return i;\n    }\n  }\n  return -1;\n};\n\n\n// Build rules lookup cache\n//\nRuler.prototype.__compile__ = function () {\n  var self = this;\n  var chains = [ '' ];\n\n  // collect unique names\n  self.__rules__.forEach(function (rule) {\n    if (!rule.enabled) { return; }\n\n    rule.alt.forEach(function (altName) {\n      if (chains.indexOf(altName) < 0) {\n        chains.push(altName);\n      }\n    });\n  });\n\n  self.__cache__ = {};\n\n  chains.forEach(function (chain) {\n    self.__cache__[chain] = [];\n    self.__rules__.forEach(function (rule) {\n      if (!rule.enabled) { return; }\n\n      if (chain && rule.alt.indexOf(chain) < 0) { return; }\n\n      self.__cache__[chain].push(rule.fn);\n    });\n  });\n};\n\n\n/**\n * Ruler.at(name, fn [, options])\n * - name (String): rule name to replace.\n * - fn (Function): new rule function.\n * - options (Object): new rule options (not mandatory).\n *\n * Replace rule by name with new function & options. Throws error if name not\n * found.\n *\n * ##### Options:\n *\n * - __alt__ - array with names of \"alternate\" chains.\n *\n * ##### Example\n *\n * Replace existing typographer replacement rule with new one:\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.core.ruler.at('replacements', function replace(state) {\n *   //...\n * });\n * ```\n **/\nRuler.prototype.at = function (name, fn, options) {\n  var index = this.__find__(name);\n  var opt = options || {};\n\n  if (index === -1) { throw new Error('Parser rule not found: ' + name); }\n\n  this.__rules__[index].fn = fn;\n  this.__rules__[index].alt = opt.alt || [];\n  this.__cache__ = null;\n};\n\n\n/**\n * Ruler.before(beforeName, ruleName, fn [, options])\n * - beforeName (String): new rule will be added before this one.\n * - ruleName (String): name of added rule.\n * - fn (Function): rule function.\n * - options (Object): rule options (not mandatory).\n *\n * Add new rule to chain before one with given name. See also\n * [[Ruler.after]], [[Ruler.push]].\n *\n * ##### Options:\n *\n * - __alt__ - array with names of \"alternate\" chains.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.block.ruler.before('paragraph', 'my_rule', function replace(state) {\n *   //...\n * });\n * ```\n **/\nRuler.prototype.before = function (beforeName, ruleName, fn, options) {\n  var index = this.__find__(beforeName);\n  var opt = options || {};\n\n  if (index === -1) { throw new Error('Parser rule not found: ' + beforeName); }\n\n  this.__rules__.splice(index, 0, {\n    name: ruleName,\n    enabled: true,\n    fn: fn,\n    alt: opt.alt || []\n  });\n\n  this.__cache__ = null;\n};\n\n\n/**\n * Ruler.after(afterName, ruleName, fn [, options])\n * - afterName (String): new rule will be added after this one.\n * - ruleName (String): name of added rule.\n * - fn (Function): rule function.\n * - options (Object): rule options (not mandatory).\n *\n * Add new rule to chain after one with given name. See also\n * [[Ruler.before]], [[Ruler.push]].\n *\n * ##### Options:\n *\n * - __alt__ - array with names of \"alternate\" chains.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.inline.ruler.after('text', 'my_rule', function replace(state) {\n *   //...\n * });\n * ```\n **/\nRuler.prototype.after = function (afterName, ruleName, fn, options) {\n  var index = this.__find__(afterName);\n  var opt = options || {};\n\n  if (index === -1) { throw new Error('Parser rule not found: ' + afterName); }\n\n  this.__rules__.splice(index + 1, 0, {\n    name: ruleName,\n    enabled: true,\n    fn: fn,\n    alt: opt.alt || []\n  });\n\n  this.__cache__ = null;\n};\n\n/**\n * Ruler.push(ruleName, fn [, options])\n * - ruleName (String): name of added rule.\n * - fn (Function): rule function.\n * - options (Object): rule options (not mandatory).\n *\n * Push new rule to the end of chain. See also\n * [[Ruler.before]], [[Ruler.after]].\n *\n * ##### Options:\n *\n * - __alt__ - array with names of \"alternate\" chains.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.core.ruler.push('my_rule', function replace(state) {\n *   //...\n * });\n * ```\n **/\nRuler.prototype.push = function (ruleName, fn, options) {\n  var opt = options || {};\n\n  this.__rules__.push({\n    name: ruleName,\n    enabled: true,\n    fn: fn,\n    alt: opt.alt || []\n  });\n\n  this.__cache__ = null;\n};\n\n\n/**\n * Ruler.enable(list [, ignoreInvalid]) -> Array\n * - list (String|Array): list of rule names to enable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable rules with given names. If any rule name not found - throw Error.\n * Errors can be disabled by second param.\n *\n * Returns list of found rule names (if no exception happened).\n *\n * See also [[Ruler.disable]], [[Ruler.enableOnly]].\n **/\nRuler.prototype.enable = function (list, ignoreInvalid) {\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  var result = [];\n\n  // Search by name and enable\n  list.forEach(function (name) {\n    var idx = this.__find__(name);\n\n    if (idx < 0) {\n      if (ignoreInvalid) { return; }\n      throw new Error('Rules manager: invalid rule name ' + name);\n    }\n    this.__rules__[idx].enabled = true;\n    result.push(name);\n  }, this);\n\n  this.__cache__ = null;\n  return result;\n};\n\n\n/**\n * Ruler.enableOnly(list [, ignoreInvalid])\n * - list (String|Array): list of rule names to enable (whitelist).\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable rules with given names, and disable everything else. If any rule name\n * not found - throw Error. Errors can be disabled by second param.\n *\n * See also [[Ruler.disable]], [[Ruler.enable]].\n **/\nRuler.prototype.enableOnly = function (list, ignoreInvalid) {\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  this.__rules__.forEach(function (rule) { rule.enabled = false; });\n\n  this.enable(list, ignoreInvalid);\n};\n\n\n/**\n * Ruler.disable(list [, ignoreInvalid]) -> Array\n * - list (String|Array): list of rule names to disable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Disable rules with given names. If any rule name not found - throw Error.\n * Errors can be disabled by second param.\n *\n * Returns list of found rule names (if no exception happened).\n *\n * See also [[Ruler.enable]], [[Ruler.enableOnly]].\n **/\nRuler.prototype.disable = function (list, ignoreInvalid) {\n  if (!Array.isArray(list)) { list = [ list ]; }\n\n  var result = [];\n\n  // Search by name and disable\n  list.forEach(function (name) {\n    var idx = this.__find__(name);\n\n    if (idx < 0) {\n      if (ignoreInvalid) { return; }\n      throw new Error('Rules manager: invalid rule name ' + name);\n    }\n    this.__rules__[idx].enabled = false;\n    result.push(name);\n  }, this);\n\n  this.__cache__ = null;\n  return result;\n};\n\n\n/**\n * Ruler.getRules(chainName) -> Array\n *\n * Return array of active functions (rules) for given chain name. It analyzes\n * rules configuration, compiles caches if not exists and returns result.\n *\n * Default chain name is `''` (empty string). It can't be skipped. That's\n * done intentionally, to keep signature monomorphic for high speed.\n **/\nRuler.prototype.getRules = function (chainName) {\n  if (this.__cache__ === null) {\n    this.__compile__();\n  }\n\n  // Chain can be empty, if rules disabled. But we still have to return Array.\n  return this.__cache__[chainName] || [];\n};\n\nmodule.exports = Ruler;\n","// Block quotes\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nmodule.exports = function blockquote(state, startLine, endLine, silent) {\n  var adjustTab,\n      ch,\n      i,\n      initial,\n      l,\n      lastLineEmpty,\n      lines,\n      nextLine,\n      offset,\n      oldBMarks,\n      oldBSCount,\n      oldIndent,\n      oldParentType,\n      oldSCount,\n      oldTShift,\n      spaceAfterMarker,\n      terminate,\n      terminatorRules,\n      token,\n      isOutdented,\n      oldLineMax = state.lineMax,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  // check the block quote marker\n  if (state.src.charCodeAt(pos++) !== 0x3E/* > */) { return false; }\n\n  // we know that it's going to be a valid blockquote,\n  // so no point trying to find the end of it in silent mode\n  if (silent) { return true; }\n\n  // set offset past spaces and \">\"\n  initial = offset = state.sCount[startLine] + 1;\n\n  // skip one optional space after '>'\n  if (state.src.charCodeAt(pos) === 0x20 /* space */) {\n    // ' >   test '\n    //     ^ -- position start of line here:\n    pos++;\n    initial++;\n    offset++;\n    adjustTab = false;\n    spaceAfterMarker = true;\n  } else if (state.src.charCodeAt(pos) === 0x09 /* tab */) {\n    spaceAfterMarker = true;\n\n    if ((state.bsCount[startLine] + offset) % 4 === 3) {\n      // '  >\\t  test '\n      //       ^ -- position start of line here (tab has width===1)\n      pos++;\n      initial++;\n      offset++;\n      adjustTab = false;\n    } else {\n      // ' >\\t  test '\n      //    ^ -- position start of line here + shift bsCount slightly\n      //         to make extra space appear\n      adjustTab = true;\n    }\n  } else {\n    spaceAfterMarker = false;\n  }\n\n  oldBMarks = [ state.bMarks[startLine] ];\n  state.bMarks[startLine] = pos;\n\n  while (pos < max) {\n    ch = state.src.charCodeAt(pos);\n\n    if (isSpace(ch)) {\n      if (ch === 0x09) {\n        offset += 4 - (offset + state.bsCount[startLine] + (adjustTab ? 1 : 0)) % 4;\n      } else {\n        offset++;\n      }\n    } else {\n      break;\n    }\n\n    pos++;\n  }\n\n  oldBSCount = [ state.bsCount[startLine] ];\n  state.bsCount[startLine] = state.sCount[startLine] + 1 + (spaceAfterMarker ? 1 : 0);\n\n  lastLineEmpty = pos >= max;\n\n  oldSCount = [ state.sCount[startLine] ];\n  state.sCount[startLine] = offset - initial;\n\n  oldTShift = [ state.tShift[startLine] ];\n  state.tShift[startLine] = pos - state.bMarks[startLine];\n\n  terminatorRules = state.md.block.ruler.getRules('blockquote');\n\n  oldParentType = state.parentType;\n  state.parentType = 'blockquote';\n\n  // Search the end of the block\n  //\n  // Block ends with either:\n  //  1. an empty line outside:\n  //     ```\n  //     > test\n  //\n  //     ```\n  //  2. an empty line inside:\n  //     ```\n  //     >\n  //     test\n  //     ```\n  //  3. another tag:\n  //     ```\n  //     > test\n  //      - - -\n  //     ```\n  for (nextLine = startLine + 1; nextLine < endLine; nextLine++) {\n    // check if it's outdented, i.e. it's inside list item and indented\n    // less than said list item:\n    //\n    // ```\n    // 1. anything\n    //    > current blockquote\n    // 2. checking this line\n    // ```\n    isOutdented = state.sCount[nextLine] < state.blkIndent;\n\n    pos = state.bMarks[nextLine] + state.tShift[nextLine];\n    max = state.eMarks[nextLine];\n\n    if (pos >= max) {\n      // Case 1: line is not inside the blockquote, and this line is empty.\n      break;\n    }\n\n    if (state.src.charCodeAt(pos++) === 0x3E/* > */ && !isOutdented) {\n      // This line is inside the blockquote.\n\n      // set offset past spaces and \">\"\n      initial = offset = state.sCount[nextLine] + 1;\n\n      // skip one optional space after '>'\n      if (state.src.charCodeAt(pos) === 0x20 /* space */) {\n        // ' >   test '\n        //     ^ -- position start of line here:\n        pos++;\n        initial++;\n        offset++;\n        adjustTab = false;\n        spaceAfterMarker = true;\n      } else if (state.src.charCodeAt(pos) === 0x09 /* tab */) {\n        spaceAfterMarker = true;\n\n        if ((state.bsCount[nextLine] + offset) % 4 === 3) {\n          // '  >\\t  test '\n          //       ^ -- position start of line here (tab has width===1)\n          pos++;\n          initial++;\n          offset++;\n          adjustTab = false;\n        } else {\n          // ' >\\t  test '\n          //    ^ -- position start of line here + shift bsCount slightly\n          //         to make extra space appear\n          adjustTab = true;\n        }\n      } else {\n        spaceAfterMarker = false;\n      }\n\n      oldBMarks.push(state.bMarks[nextLine]);\n      state.bMarks[nextLine] = pos;\n\n      while (pos < max) {\n        ch = state.src.charCodeAt(pos);\n\n        if (isSpace(ch)) {\n          if (ch === 0x09) {\n            offset += 4 - (offset + state.bsCount[nextLine] + (adjustTab ? 1 : 0)) % 4;\n          } else {\n            offset++;\n          }\n        } else {\n          break;\n        }\n\n        pos++;\n      }\n\n      lastLineEmpty = pos >= max;\n\n      oldBSCount.push(state.bsCount[nextLine]);\n      state.bsCount[nextLine] = state.sCount[nextLine] + 1 + (spaceAfterMarker ? 1 : 0);\n\n      oldSCount.push(state.sCount[nextLine]);\n      state.sCount[nextLine] = offset - initial;\n\n      oldTShift.push(state.tShift[nextLine]);\n      state.tShift[nextLine] = pos - state.bMarks[nextLine];\n      continue;\n    }\n\n    // Case 2: line is not inside the blockquote, and the last line was empty.\n    if (lastLineEmpty) { break; }\n\n    // Case 3: another tag found.\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n\n    if (terminate) {\n      // Quirk to enforce \"hard termination mode\" for paragraphs;\n      // normally if you call `tokenize(state, startLine, nextLine)`,\n      // paragraphs will look below nextLine for paragraph continuation,\n      // but if blockquote is terminated by another tag, they shouldn't\n      state.lineMax = nextLine;\n\n      if (state.blkIndent !== 0) {\n        // state.blkIndent was non-zero, we now set it to zero,\n        // so we need to re-calculate all offsets to appear as\n        // if indent wasn't changed\n        oldBMarks.push(state.bMarks[nextLine]);\n        oldBSCount.push(state.bsCount[nextLine]);\n        oldTShift.push(state.tShift[nextLine]);\n        oldSCount.push(state.sCount[nextLine]);\n        state.sCount[nextLine] -= state.blkIndent;\n      }\n\n      break;\n    }\n\n    oldBMarks.push(state.bMarks[nextLine]);\n    oldBSCount.push(state.bsCount[nextLine]);\n    oldTShift.push(state.tShift[nextLine]);\n    oldSCount.push(state.sCount[nextLine]);\n\n    // A negative indentation means that this is a paragraph continuation\n    //\n    state.sCount[nextLine] = -1;\n  }\n\n  oldIndent = state.blkIndent;\n  state.blkIndent = 0;\n\n  token        = state.push('blockquote_open', 'blockquote', 1);\n  token.markup = '>';\n  token.map    = lines = [ startLine, 0 ];\n\n  state.md.block.tokenize(state, startLine, nextLine);\n\n  token        = state.push('blockquote_close', 'blockquote', -1);\n  token.markup = '>';\n\n  state.lineMax = oldLineMax;\n  state.parentType = oldParentType;\n  lines[1] = state.line;\n\n  // Restore original tShift; this might not be necessary since the parser\n  // has already been here, but just to make sure we can do that.\n  for (i = 0; i < oldTShift.length; i++) {\n    state.bMarks[i + startLine] = oldBMarks[i];\n    state.tShift[i + startLine] = oldTShift[i];\n    state.sCount[i + startLine] = oldSCount[i];\n    state.bsCount[i + startLine] = oldBSCount[i];\n  }\n  state.blkIndent = oldIndent;\n\n  return true;\n};\n","// Code block (4 spaces padded)\n\n'use strict';\n\n\nmodule.exports = function code(state, startLine, endLine/*, silent*/) {\n  var nextLine, last, token;\n\n  if (state.sCount[startLine] - state.blkIndent < 4) { return false; }\n\n  last = nextLine = startLine + 1;\n\n  while (nextLine < endLine) {\n    if (state.isEmpty(nextLine)) {\n      nextLine++;\n      continue;\n    }\n\n    if (state.sCount[nextLine] - state.blkIndent >= 4) {\n      nextLine++;\n      last = nextLine;\n      continue;\n    }\n    break;\n  }\n\n  state.line = last;\n\n  token         = state.push('code_block', 'code', 0);\n  token.content = state.getLines(startLine, last, 4 + state.blkIndent, false) + '\\n';\n  token.map     = [ startLine, state.line ];\n\n  return true;\n};\n","// fences (``` lang, ~~~ lang)\n\n'use strict';\n\n\nmodule.exports = function fence(state, startLine, endLine, silent) {\n  var marker, len, params, nextLine, mem, token, markup,\n      haveEndMarker = false,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  if (pos + 3 > max) { return false; }\n\n  marker = state.src.charCodeAt(pos);\n\n  if (marker !== 0x7E/* ~ */ && marker !== 0x60 /* ` */) {\n    return false;\n  }\n\n  // scan marker length\n  mem = pos;\n  pos = state.skipChars(pos, marker);\n\n  len = pos - mem;\n\n  if (len < 3) { return false; }\n\n  markup = state.src.slice(mem, pos);\n  params = state.src.slice(pos, max);\n\n  if (marker === 0x60 /* ` */) {\n    if (params.indexOf(String.fromCharCode(marker)) >= 0) {\n      return false;\n    }\n  }\n\n  // Since start is found, we can report success here in validation mode\n  if (silent) { return true; }\n\n  // search end of block\n  nextLine = startLine;\n\n  for (;;) {\n    nextLine++;\n    if (nextLine >= endLine) {\n      // unclosed block should be autoclosed by end of document.\n      // also block seems to be autoclosed by end of parent\n      break;\n    }\n\n    pos = mem = state.bMarks[nextLine] + state.tShift[nextLine];\n    max = state.eMarks[nextLine];\n\n    if (pos < max && state.sCount[nextLine] < state.blkIndent) {\n      // non-empty line with negative indent should stop the list:\n      // - ```\n      //  test\n      break;\n    }\n\n    if (state.src.charCodeAt(pos) !== marker) { continue; }\n\n    if (state.sCount[nextLine] - state.blkIndent >= 4) {\n      // closing fence should be indented less than 4 spaces\n      continue;\n    }\n\n    pos = state.skipChars(pos, marker);\n\n    // closing code fence must be at least as long as the opening one\n    if (pos - mem < len) { continue; }\n\n    // make sure tail has spaces only\n    pos = state.skipSpaces(pos);\n\n    if (pos < max) { continue; }\n\n    haveEndMarker = true;\n    // found!\n    break;\n  }\n\n  // If a fence has heading spaces, they should be removed from its inner block\n  len = state.sCount[startLine];\n\n  state.line = nextLine + (haveEndMarker ? 1 : 0);\n\n  token         = state.push('fence', 'code', 0);\n  token.info    = params;\n  token.content = state.getLines(startLine + 1, nextLine, len, true);\n  token.markup  = markup;\n  token.map     = [ startLine, state.line ];\n\n  return true;\n};\n","// heading (#, ##, ...)\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nmodule.exports = function heading(state, startLine, endLine, silent) {\n  var ch, level, tmp, token,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  ch  = state.src.charCodeAt(pos);\n\n  if (ch !== 0x23/* # */ || pos >= max) { return false; }\n\n  // count heading level\n  level = 1;\n  ch = state.src.charCodeAt(++pos);\n  while (ch === 0x23/* # */ && pos < max && level <= 6) {\n    level++;\n    ch = state.src.charCodeAt(++pos);\n  }\n\n  if (level > 6 || (pos < max && !isSpace(ch))) { return false; }\n\n  if (silent) { return true; }\n\n  // Let's cut tails like '    ###  ' from the end of string\n\n  max = state.skipSpacesBack(max, pos);\n  tmp = state.skipCharsBack(max, 0x23, pos); // #\n  if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) {\n    max = tmp;\n  }\n\n  state.line = startLine + 1;\n\n  token        = state.push('heading_open', 'h' + String(level), 1);\n  token.markup = '########'.slice(0, level);\n  token.map    = [ startLine, state.line ];\n\n  token          = state.push('inline', '', 0);\n  token.content  = state.src.slice(pos, max).trim();\n  token.map      = [ startLine, state.line ];\n  token.children = [];\n\n  token        = state.push('heading_close', 'h' + String(level), -1);\n  token.markup = '########'.slice(0, level);\n\n  return true;\n};\n","// Horizontal rule\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nmodule.exports = function hr(state, startLine, endLine, silent) {\n  var marker, cnt, ch, token,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  marker = state.src.charCodeAt(pos++);\n\n  // Check hr marker\n  if (marker !== 0x2A/* * */ &&\n      marker !== 0x2D/* - */ &&\n      marker !== 0x5F/* _ */) {\n    return false;\n  }\n\n  // markers can be mixed with spaces, but there should be at least 3 of them\n\n  cnt = 1;\n  while (pos < max) {\n    ch = state.src.charCodeAt(pos++);\n    if (ch !== marker && !isSpace(ch)) { return false; }\n    if (ch === marker) { cnt++; }\n  }\n\n  if (cnt < 3) { return false; }\n\n  if (silent) { return true; }\n\n  state.line = startLine + 1;\n\n  token        = state.push('hr', 'hr', 0);\n  token.map    = [ startLine, state.line ];\n  token.markup = Array(cnt + 1).join(String.fromCharCode(marker));\n\n  return true;\n};\n","// HTML block\n\n'use strict';\n\n\nvar block_names = require('../common/html_blocks');\nvar HTML_OPEN_CLOSE_TAG_RE = require('../common/html_re').HTML_OPEN_CLOSE_TAG_RE;\n\n// An array of opening and corresponding closing sequences for html tags,\n// last argument defines whether it can terminate a paragraph or not\n//\nvar HTML_SEQUENCES = [\n  [ /^<(script|pre|style|textarea)(?=(\\s|>|$))/i, /<\\/(script|pre|style|textarea)>/i, true ],\n  [ /^<!--/,        /-->/,   true ],\n  [ /^<\\?/,         /\\?>/,   true ],\n  [ /^<![A-Z]/,     />/,     true ],\n  [ /^<!\\[CDATA\\[/, /\\]\\]>/, true ],\n  [ new RegExp('^</?(' + block_names.join('|') + ')(?=(\\\\s|/?>|$))', 'i'), /^$/, true ],\n  [ new RegExp(HTML_OPEN_CLOSE_TAG_RE.source + '\\\\s*$'),  /^$/, false ]\n];\n\n\nmodule.exports = function html_block(state, startLine, endLine, silent) {\n  var i, nextLine, token, lineText,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine];\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  if (!state.md.options.html) { return false; }\n\n  if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }\n\n  lineText = state.src.slice(pos, max);\n\n  for (i = 0; i < HTML_SEQUENCES.length; i++) {\n    if (HTML_SEQUENCES[i][0].test(lineText)) { break; }\n  }\n\n  if (i === HTML_SEQUENCES.length) { return false; }\n\n  if (silent) {\n    // true if this sequence can be a terminator, false otherwise\n    return HTML_SEQUENCES[i][2];\n  }\n\n  nextLine = startLine + 1;\n\n  // If we are here - we detected HTML block.\n  // Let's roll down till block end.\n  if (!HTML_SEQUENCES[i][1].test(lineText)) {\n    for (; nextLine < endLine; nextLine++) {\n      if (state.sCount[nextLine] < state.blkIndent) { break; }\n\n      pos = state.bMarks[nextLine] + state.tShift[nextLine];\n      max = state.eMarks[nextLine];\n      lineText = state.src.slice(pos, max);\n\n      if (HTML_SEQUENCES[i][1].test(lineText)) {\n        if (lineText.length !== 0) { nextLine++; }\n        break;\n      }\n    }\n  }\n\n  state.line = nextLine;\n\n  token         = state.push('html_block', '', 0);\n  token.map     = [ startLine, nextLine ];\n  token.content = state.getLines(startLine, nextLine, state.blkIndent, true);\n\n  return true;\n};\n","// lheading (---, ===)\n\n'use strict';\n\n\nmodule.exports = function lheading(state, startLine, endLine/*, silent*/) {\n  var content, terminate, i, l, token, pos, max, level, marker,\n      nextLine = startLine + 1, oldParentType,\n      terminatorRules = state.md.block.ruler.getRules('paragraph');\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  oldParentType = state.parentType;\n  state.parentType = 'paragraph'; // use paragraph to match terminatorRules\n\n  // jump line-by-line until empty one or EOF\n  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {\n    // this would be a code block normally, but after paragraph\n    // it's considered a lazy continuation regardless of what's there\n    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }\n\n    //\n    // Check for underline in setext header\n    //\n    if (state.sCount[nextLine] >= state.blkIndent) {\n      pos = state.bMarks[nextLine] + state.tShift[nextLine];\n      max = state.eMarks[nextLine];\n\n      if (pos < max) {\n        marker = state.src.charCodeAt(pos);\n\n        if (marker === 0x2D/* - */ || marker === 0x3D/* = */) {\n          pos = state.skipChars(pos, marker);\n          pos = state.skipSpaces(pos);\n\n          if (pos >= max) {\n            level = (marker === 0x3D/* = */ ? 1 : 2);\n            break;\n          }\n        }\n      }\n    }\n\n    // quirk for blockquotes, this line should already be checked by that rule\n    if (state.sCount[nextLine] < 0) { continue; }\n\n    // Some tags can terminate paragraph without empty line.\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n    if (terminate) { break; }\n  }\n\n  if (!level) {\n    // Didn't find valid underline\n    return false;\n  }\n\n  content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();\n\n  state.line = nextLine + 1;\n\n  token          = state.push('heading_open', 'h' + String(level), 1);\n  token.markup   = String.fromCharCode(marker);\n  token.map      = [ startLine, state.line ];\n\n  token          = state.push('inline', '', 0);\n  token.content  = content;\n  token.map      = [ startLine, state.line - 1 ];\n  token.children = [];\n\n  token          = state.push('heading_close', 'h' + String(level), -1);\n  token.markup   = String.fromCharCode(marker);\n\n  state.parentType = oldParentType;\n\n  return true;\n};\n","// Lists\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\n// Search `[-+*][\\n ]`, returns next pos after marker on success\n// or -1 on fail.\nfunction skipBulletListMarker(state, startLine) {\n  var marker, pos, max, ch;\n\n  pos = state.bMarks[startLine] + state.tShift[startLine];\n  max = state.eMarks[startLine];\n\n  marker = state.src.charCodeAt(pos++);\n  // Check bullet\n  if (marker !== 0x2A/* * */ &&\n      marker !== 0x2D/* - */ &&\n      marker !== 0x2B/* + */) {\n    return -1;\n  }\n\n  if (pos < max) {\n    ch = state.src.charCodeAt(pos);\n\n    if (!isSpace(ch)) {\n      // \" -test \" - is not a list item\n      return -1;\n    }\n  }\n\n  return pos;\n}\n\n// Search `\\d+[.)][\\n ]`, returns next pos after marker on success\n// or -1 on fail.\nfunction skipOrderedListMarker(state, startLine) {\n  var ch,\n      start = state.bMarks[startLine] + state.tShift[startLine],\n      pos = start,\n      max = state.eMarks[startLine];\n\n  // List marker should have at least 2 chars (digit + dot)\n  if (pos + 1 >= max) { return -1; }\n\n  ch = state.src.charCodeAt(pos++);\n\n  if (ch < 0x30/* 0 */ || ch > 0x39/* 9 */) { return -1; }\n\n  for (;;) {\n    // EOL -> fail\n    if (pos >= max) { return -1; }\n\n    ch = state.src.charCodeAt(pos++);\n\n    if (ch >= 0x30/* 0 */ && ch <= 0x39/* 9 */) {\n\n      // List marker should have no more than 9 digits\n      // (prevents integer overflow in browsers)\n      if (pos - start >= 10) { return -1; }\n\n      continue;\n    }\n\n    // found valid marker\n    if (ch === 0x29/* ) */ || ch === 0x2e/* . */) {\n      break;\n    }\n\n    return -1;\n  }\n\n\n  if (pos < max) {\n    ch = state.src.charCodeAt(pos);\n\n    if (!isSpace(ch)) {\n      // \" 1.test \" - is not a list item\n      return -1;\n    }\n  }\n  return pos;\n}\n\nfunction markTightParagraphs(state, idx) {\n  var i, l,\n      level = state.level + 2;\n\n  for (i = idx + 2, l = state.tokens.length - 2; i < l; i++) {\n    if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') {\n      state.tokens[i + 2].hidden = true;\n      state.tokens[i].hidden = true;\n      i += 2;\n    }\n  }\n}\n\n\nmodule.exports = function list(state, startLine, endLine, silent) {\n  var ch,\n      contentStart,\n      i,\n      indent,\n      indentAfterMarker,\n      initial,\n      isOrdered,\n      itemLines,\n      l,\n      listLines,\n      listTokIdx,\n      markerCharCode,\n      markerValue,\n      max,\n      nextLine,\n      offset,\n      oldListIndent,\n      oldParentType,\n      oldSCount,\n      oldTShift,\n      oldTight,\n      pos,\n      posAfterMarker,\n      prevEmptyEnd,\n      start,\n      terminate,\n      terminatorRules,\n      token,\n      isTerminatingParagraph = false,\n      tight = true;\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  // Special case:\n  //  - item 1\n  //   - item 2\n  //    - item 3\n  //     - item 4\n  //      - this one is a paragraph continuation\n  if (state.listIndent >= 0 &&\n      state.sCount[startLine] - state.listIndent >= 4 &&\n      state.sCount[startLine] < state.blkIndent) {\n    return false;\n  }\n\n  // limit conditions when list can interrupt\n  // a paragraph (validation mode only)\n  if (silent && state.parentType === 'paragraph') {\n    // Next list item should still terminate previous list item;\n    //\n    // This code can fail if plugins use blkIndent as well as lists,\n    // but I hope the spec gets fixed long before that happens.\n    //\n    if (state.sCount[startLine] >= state.blkIndent) {\n      isTerminatingParagraph = true;\n    }\n  }\n\n  // Detect list type and position after marker\n  if ((posAfterMarker = skipOrderedListMarker(state, startLine)) >= 0) {\n    isOrdered = true;\n    start = state.bMarks[startLine] + state.tShift[startLine];\n    markerValue = Number(state.src.slice(start, posAfterMarker - 1));\n\n    // If we're starting a new ordered list right after\n    // a paragraph, it should start with 1.\n    if (isTerminatingParagraph && markerValue !== 1) return false;\n\n  } else if ((posAfterMarker = skipBulletListMarker(state, startLine)) >= 0) {\n    isOrdered = false;\n\n  } else {\n    return false;\n  }\n\n  // If we're starting a new unordered list right after\n  // a paragraph, first line should not be empty.\n  if (isTerminatingParagraph) {\n    if (state.skipSpaces(posAfterMarker) >= state.eMarks[startLine]) return false;\n  }\n\n  // We should terminate list on style change. Remember first one to compare.\n  markerCharCode = state.src.charCodeAt(posAfterMarker - 1);\n\n  // For validation mode we can terminate immediately\n  if (silent) { return true; }\n\n  // Start list\n  listTokIdx = state.tokens.length;\n\n  if (isOrdered) {\n    token       = state.push('ordered_list_open', 'ol', 1);\n    if (markerValue !== 1) {\n      token.attrs = [ [ 'start', markerValue ] ];\n    }\n\n  } else {\n    token       = state.push('bullet_list_open', 'ul', 1);\n  }\n\n  token.map    = listLines = [ startLine, 0 ];\n  token.markup = String.fromCharCode(markerCharCode);\n\n  //\n  // Iterate list items\n  //\n\n  nextLine = startLine;\n  prevEmptyEnd = false;\n  terminatorRules = state.md.block.ruler.getRules('list');\n\n  oldParentType = state.parentType;\n  state.parentType = 'list';\n\n  while (nextLine < endLine) {\n    pos = posAfterMarker;\n    max = state.eMarks[nextLine];\n\n    initial = offset = state.sCount[nextLine] + posAfterMarker - (state.bMarks[startLine] + state.tShift[startLine]);\n\n    while (pos < max) {\n      ch = state.src.charCodeAt(pos);\n\n      if (ch === 0x09) {\n        offset += 4 - (offset + state.bsCount[nextLine]) % 4;\n      } else if (ch === 0x20) {\n        offset++;\n      } else {\n        break;\n      }\n\n      pos++;\n    }\n\n    contentStart = pos;\n\n    if (contentStart >= max) {\n      // trimming space in \"-    \\n  3\" case, indent is 1 here\n      indentAfterMarker = 1;\n    } else {\n      indentAfterMarker = offset - initial;\n    }\n\n    // If we have more than 4 spaces, the indent is 1\n    // (the rest is just indented code block)\n    if (indentAfterMarker > 4) { indentAfterMarker = 1; }\n\n    // \"  -  test\"\n    //  ^^^^^ - calculating total length of this thing\n    indent = initial + indentAfterMarker;\n\n    // Run subparser & write tokens\n    token        = state.push('list_item_open', 'li', 1);\n    token.markup = String.fromCharCode(markerCharCode);\n    token.map    = itemLines = [ startLine, 0 ];\n    if (isOrdered) {\n      token.info = state.src.slice(start, posAfterMarker - 1);\n    }\n\n    // change current state, then restore it after parser subcall\n    oldTight = state.tight;\n    oldTShift = state.tShift[startLine];\n    oldSCount = state.sCount[startLine];\n\n    //  - example list\n    // ^ listIndent position will be here\n    //   ^ blkIndent position will be here\n    //\n    oldListIndent = state.listIndent;\n    state.listIndent = state.blkIndent;\n    state.blkIndent = indent;\n\n    state.tight = true;\n    state.tShift[startLine] = contentStart - state.bMarks[startLine];\n    state.sCount[startLine] = offset;\n\n    if (contentStart >= max && state.isEmpty(startLine + 1)) {\n      // workaround for this case\n      // (list item is empty, list terminates before \"foo\"):\n      // ~~~~~~~~\n      //   -\n      //\n      //     foo\n      // ~~~~~~~~\n      state.line = Math.min(state.line + 2, endLine);\n    } else {\n      state.md.block.tokenize(state, startLine, endLine, true);\n    }\n\n    // If any of list item is tight, mark list as tight\n    if (!state.tight || prevEmptyEnd) {\n      tight = false;\n    }\n    // Item become loose if finish with empty line,\n    // but we should filter last element, because it means list finish\n    prevEmptyEnd = (state.line - startLine) > 1 && state.isEmpty(state.line - 1);\n\n    state.blkIndent = state.listIndent;\n    state.listIndent = oldListIndent;\n    state.tShift[startLine] = oldTShift;\n    state.sCount[startLine] = oldSCount;\n    state.tight = oldTight;\n\n    token        = state.push('list_item_close', 'li', -1);\n    token.markup = String.fromCharCode(markerCharCode);\n\n    nextLine = startLine = state.line;\n    itemLines[1] = nextLine;\n    contentStart = state.bMarks[startLine];\n\n    if (nextLine >= endLine) { break; }\n\n    //\n    // Try to check if list is terminated or continued.\n    //\n    if (state.sCount[nextLine] < state.blkIndent) { break; }\n\n    // if it's indented more than 3 spaces, it should be a code block\n    if (state.sCount[startLine] - state.blkIndent >= 4) { break; }\n\n    // fail if terminating block found\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n    if (terminate) { break; }\n\n    // fail if list has another type\n    if (isOrdered) {\n      posAfterMarker = skipOrderedListMarker(state, nextLine);\n      if (posAfterMarker < 0) { break; }\n      start = state.bMarks[nextLine] + state.tShift[nextLine];\n    } else {\n      posAfterMarker = skipBulletListMarker(state, nextLine);\n      if (posAfterMarker < 0) { break; }\n    }\n\n    if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) { break; }\n  }\n\n  // Finalize list\n  if (isOrdered) {\n    token = state.push('ordered_list_close', 'ol', -1);\n  } else {\n    token = state.push('bullet_list_close', 'ul', -1);\n  }\n  token.markup = String.fromCharCode(markerCharCode);\n\n  listLines[1] = nextLine;\n  state.line = nextLine;\n\n  state.parentType = oldParentType;\n\n  // mark paragraphs tight if needed\n  if (tight) {\n    markTightParagraphs(state, listTokIdx);\n  }\n\n  return true;\n};\n","// Paragraph\n\n'use strict';\n\n\nmodule.exports = function paragraph(state, startLine/*, endLine*/) {\n  var content, terminate, i, l, token, oldParentType,\n      nextLine = startLine + 1,\n      terminatorRules = state.md.block.ruler.getRules('paragraph'),\n      endLine = state.lineMax;\n\n  oldParentType = state.parentType;\n  state.parentType = 'paragraph';\n\n  // jump line-by-line until empty one or EOF\n  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {\n    // this would be a code block normally, but after paragraph\n    // it's considered a lazy continuation regardless of what's there\n    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }\n\n    // quirk for blockquotes, this line should already be checked by that rule\n    if (state.sCount[nextLine] < 0) { continue; }\n\n    // Some tags can terminate paragraph without empty line.\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n    if (terminate) { break; }\n  }\n\n  content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();\n\n  state.line = nextLine;\n\n  token          = state.push('paragraph_open', 'p', 1);\n  token.map      = [ startLine, state.line ];\n\n  token          = state.push('inline', '', 0);\n  token.content  = content;\n  token.map      = [ startLine, state.line ];\n  token.children = [];\n\n  token          = state.push('paragraph_close', 'p', -1);\n\n  state.parentType = oldParentType;\n\n  return true;\n};\n","'use strict';\n\n\nvar normalizeReference   = require('../common/utils').normalizeReference;\nvar isSpace              = require('../common/utils').isSpace;\n\n\nmodule.exports = function reference(state, startLine, _endLine, silent) {\n  var ch,\n      destEndPos,\n      destEndLineNo,\n      endLine,\n      href,\n      i,\n      l,\n      label,\n      labelEnd,\n      oldParentType,\n      res,\n      start,\n      str,\n      terminate,\n      terminatorRules,\n      title,\n      lines = 0,\n      pos = state.bMarks[startLine] + state.tShift[startLine],\n      max = state.eMarks[startLine],\n      nextLine = startLine + 1;\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n\n  if (state.src.charCodeAt(pos) !== 0x5B/* [ */) { return false; }\n\n  // Simple check to quickly interrupt scan on [link](url) at the start of line.\n  // Can be useful on practice: https://github.com/markdown-it/markdown-it/issues/54\n  while (++pos < max) {\n    if (state.src.charCodeAt(pos) === 0x5D /* ] */ &&\n        state.src.charCodeAt(pos - 1) !== 0x5C/* \\ */) {\n      if (pos + 1 === max) { return false; }\n      if (state.src.charCodeAt(pos + 1) !== 0x3A/* : */) { return false; }\n      break;\n    }\n  }\n\n  endLine = state.lineMax;\n\n  // jump line-by-line until empty one or EOF\n  terminatorRules = state.md.block.ruler.getRules('reference');\n\n  oldParentType = state.parentType;\n  state.parentType = 'reference';\n\n  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {\n    // this would be a code block normally, but after paragraph\n    // it's considered a lazy continuation regardless of what's there\n    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }\n\n    // quirk for blockquotes, this line should already be checked by that rule\n    if (state.sCount[nextLine] < 0) { continue; }\n\n    // Some tags can terminate paragraph without empty line.\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n    if (terminate) { break; }\n  }\n\n  str = state.getLines(startLine, nextLine, state.blkIndent, false).trim();\n  max = str.length;\n\n  for (pos = 1; pos < max; pos++) {\n    ch = str.charCodeAt(pos);\n    if (ch === 0x5B /* [ */) {\n      return false;\n    } else if (ch === 0x5D /* ] */) {\n      labelEnd = pos;\n      break;\n    } else if (ch === 0x0A /* \\n */) {\n      lines++;\n    } else if (ch === 0x5C /* \\ */) {\n      pos++;\n      if (pos < max && str.charCodeAt(pos) === 0x0A) {\n        lines++;\n      }\n    }\n  }\n\n  if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return false; }\n\n  // [label]:   destination   'title'\n  //         ^^^ skip optional whitespace here\n  for (pos = labelEnd + 2; pos < max; pos++) {\n    ch = str.charCodeAt(pos);\n    if (ch === 0x0A) {\n      lines++;\n    } else if (isSpace(ch)) {\n      /*eslint no-empty:0*/\n    } else {\n      break;\n    }\n  }\n\n  // [label]:   destination   'title'\n  //            ^^^^^^^^^^^ parse this\n  res = state.md.helpers.parseLinkDestination(str, pos, max);\n  if (!res.ok) { return false; }\n\n  href = state.md.normalizeLink(res.str);\n  if (!state.md.validateLink(href)) { return false; }\n\n  pos = res.pos;\n  lines += res.lines;\n\n  // save cursor state, we could require to rollback later\n  destEndPos = pos;\n  destEndLineNo = lines;\n\n  // [label]:   destination   'title'\n  //                       ^^^ skipping those spaces\n  start = pos;\n  for (; pos < max; pos++) {\n    ch = str.charCodeAt(pos);\n    if (ch === 0x0A) {\n      lines++;\n    } else if (isSpace(ch)) {\n      /*eslint no-empty:0*/\n    } else {\n      break;\n    }\n  }\n\n  // [label]:   destination   'title'\n  //                          ^^^^^^^ parse this\n  res = state.md.helpers.parseLinkTitle(str, pos, max);\n  if (pos < max && start !== pos && res.ok) {\n    title = res.str;\n    pos = res.pos;\n    lines += res.lines;\n  } else {\n    title = '';\n    pos = destEndPos;\n    lines = destEndLineNo;\n  }\n\n  // skip trailing spaces until the rest of the line\n  while (pos < max) {\n    ch = str.charCodeAt(pos);\n    if (!isSpace(ch)) { break; }\n    pos++;\n  }\n\n  if (pos < max && str.charCodeAt(pos) !== 0x0A) {\n    if (title) {\n      // garbage at the end of the line after title,\n      // but it could still be a valid reference if we roll back\n      title = '';\n      pos = destEndPos;\n      lines = destEndLineNo;\n      while (pos < max) {\n        ch = str.charCodeAt(pos);\n        if (!isSpace(ch)) { break; }\n        pos++;\n      }\n    }\n  }\n\n  if (pos < max && str.charCodeAt(pos) !== 0x0A) {\n    // garbage at the end of the line\n    return false;\n  }\n\n  label = normalizeReference(str.slice(1, labelEnd));\n  if (!label) {\n    // CommonMark 0.20 disallows empty labels\n    return false;\n  }\n\n  // Reference can not terminate anything. This check is for safety only.\n  /*istanbul ignore if*/\n  if (silent) { return true; }\n\n  if (typeof state.env.references === 'undefined') {\n    state.env.references = {};\n  }\n  if (typeof state.env.references[label] === 'undefined') {\n    state.env.references[label] = { title: title, href: href };\n  }\n\n  state.parentType = oldParentType;\n\n  state.line = startLine + lines + 1;\n  return true;\n};\n","// Parser state class\n\n'use strict';\n\nvar Token = require('../token');\nvar isSpace = require('../common/utils').isSpace;\n\n\nfunction StateBlock(src, md, env, tokens) {\n  var ch, s, start, pos, len, indent, offset, indent_found;\n\n  this.src = src;\n\n  // link to parser instance\n  this.md     = md;\n\n  this.env = env;\n\n  //\n  // Internal state vartiables\n  //\n\n  this.tokens = tokens;\n\n  this.bMarks = [];  // line begin offsets for fast jumps\n  this.eMarks = [];  // line end offsets for fast jumps\n  this.tShift = [];  // offsets of the first non-space characters (tabs not expanded)\n  this.sCount = [];  // indents for each line (tabs expanded)\n\n  // An amount of virtual spaces (tabs expanded) between beginning\n  // of each line (bMarks) and real beginning of that line.\n  //\n  // It exists only as a hack because blockquotes override bMarks\n  // losing information in the process.\n  //\n  // It's used only when expanding tabs, you can think about it as\n  // an initial tab length, e.g. bsCount=21 applied to string `\\t123`\n  // means first tab should be expanded to 4-21%4 === 3 spaces.\n  //\n  this.bsCount = [];\n\n  // block parser variables\n  this.blkIndent  = 0; // required block content indent (for example, if we are\n                       // inside a list, it would be positioned after list marker)\n  this.line       = 0; // line index in src\n  this.lineMax    = 0; // lines count\n  this.tight      = false;  // loose/tight mode for lists\n  this.ddIndent   = -1; // indent of the current dd block (-1 if there isn't any)\n  this.listIndent = -1; // indent of the current list block (-1 if there isn't any)\n\n  // can be 'blockquote', 'list', 'root', 'paragraph' or 'reference'\n  // used in lists to determine if they interrupt a paragraph\n  this.parentType = 'root';\n\n  this.level = 0;\n\n  // renderer\n  this.result = '';\n\n  // Create caches\n  // Generate markers.\n  s = this.src;\n  indent_found = false;\n\n  for (start = pos = indent = offset = 0, len = s.length; pos < len; pos++) {\n    ch = s.charCodeAt(pos);\n\n    if (!indent_found) {\n      if (isSpace(ch)) {\n        indent++;\n\n        if (ch === 0x09) {\n          offset += 4 - offset % 4;\n        } else {\n          offset++;\n        }\n        continue;\n      } else {\n        indent_found = true;\n      }\n    }\n\n    if (ch === 0x0A || pos === len - 1) {\n      if (ch !== 0x0A) { pos++; }\n      this.bMarks.push(start);\n      this.eMarks.push(pos);\n      this.tShift.push(indent);\n      this.sCount.push(offset);\n      this.bsCount.push(0);\n\n      indent_found = false;\n      indent = 0;\n      offset = 0;\n      start = pos + 1;\n    }\n  }\n\n  // Push fake entry to simplify cache bounds checks\n  this.bMarks.push(s.length);\n  this.eMarks.push(s.length);\n  this.tShift.push(0);\n  this.sCount.push(0);\n  this.bsCount.push(0);\n\n  this.lineMax = this.bMarks.length - 1; // don't count last fake line\n}\n\n// Push new token to \"stream\".\n//\nStateBlock.prototype.push = function (type, tag, nesting) {\n  var token = new Token(type, tag, nesting);\n  token.block = true;\n\n  if (nesting < 0) this.level--; // closing tag\n  token.level = this.level;\n  if (nesting > 0) this.level++; // opening tag\n\n  this.tokens.push(token);\n  return token;\n};\n\nStateBlock.prototype.isEmpty = function isEmpty(line) {\n  return this.bMarks[line] + this.tShift[line] >= this.eMarks[line];\n};\n\nStateBlock.prototype.skipEmptyLines = function skipEmptyLines(from) {\n  for (var max = this.lineMax; from < max; from++) {\n    if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) {\n      break;\n    }\n  }\n  return from;\n};\n\n// Skip spaces from given position.\nStateBlock.prototype.skipSpaces = function skipSpaces(pos) {\n  var ch;\n\n  for (var max = this.src.length; pos < max; pos++) {\n    ch = this.src.charCodeAt(pos);\n    if (!isSpace(ch)) { break; }\n  }\n  return pos;\n};\n\n// Skip spaces from given position in reverse.\nStateBlock.prototype.skipSpacesBack = function skipSpacesBack(pos, min) {\n  if (pos <= min) { return pos; }\n\n  while (pos > min) {\n    if (!isSpace(this.src.charCodeAt(--pos))) { return pos + 1; }\n  }\n  return pos;\n};\n\n// Skip char codes from given position\nStateBlock.prototype.skipChars = function skipChars(pos, code) {\n  for (var max = this.src.length; pos < max; pos++) {\n    if (this.src.charCodeAt(pos) !== code) { break; }\n  }\n  return pos;\n};\n\n// Skip char codes reverse from given position - 1\nStateBlock.prototype.skipCharsBack = function skipCharsBack(pos, code, min) {\n  if (pos <= min) { return pos; }\n\n  while (pos > min) {\n    if (code !== this.src.charCodeAt(--pos)) { return pos + 1; }\n  }\n  return pos;\n};\n\n// cut lines range from source.\nStateBlock.prototype.getLines = function getLines(begin, end, indent, keepLastLF) {\n  var i, lineIndent, ch, first, last, queue, lineStart,\n      line = begin;\n\n  if (begin >= end) {\n    return '';\n  }\n\n  queue = new Array(end - begin);\n\n  for (i = 0; line < end; line++, i++) {\n    lineIndent = 0;\n    lineStart = first = this.bMarks[line];\n\n    if (line + 1 < end || keepLastLF) {\n      // No need for bounds check because we have fake entry on tail.\n      last = this.eMarks[line] + 1;\n    } else {\n      last = this.eMarks[line];\n    }\n\n    while (first < last && lineIndent < indent) {\n      ch = this.src.charCodeAt(first);\n\n      if (isSpace(ch)) {\n        if (ch === 0x09) {\n          lineIndent += 4 - (lineIndent + this.bsCount[line]) % 4;\n        } else {\n          lineIndent++;\n        }\n      } else if (first - lineStart < this.tShift[line]) {\n        // patched tShift masked characters to look like spaces (blockquotes, list markers)\n        lineIndent++;\n      } else {\n        break;\n      }\n\n      first++;\n    }\n\n    if (lineIndent > indent) {\n      // partially expanding tabs in code blocks, e.g '\\t\\tfoobar'\n      // with indent=2 becomes '  \\tfoobar'\n      queue[i] = new Array(lineIndent - indent + 1).join(' ') + this.src.slice(first, last);\n    } else {\n      queue[i] = this.src.slice(first, last);\n    }\n  }\n\n  return queue.join('');\n};\n\n// re-export Token class to use in block rules\nStateBlock.prototype.Token = Token;\n\n\nmodule.exports = StateBlock;\n","// GFM table, https://github.github.com/gfm/#tables-extension-\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nfunction getLine(state, line) {\n  var pos = state.bMarks[line] + state.tShift[line],\n      max = state.eMarks[line];\n\n  return state.src.substr(pos, max - pos);\n}\n\nfunction escapedSplit(str) {\n  var result = [],\n      pos = 0,\n      max = str.length,\n      ch,\n      isEscaped = false,\n      lastPos = 0,\n      current = '';\n\n  ch  = str.charCodeAt(pos);\n\n  while (pos < max) {\n    if (ch === 0x7c/* | */) {\n      if (!isEscaped) {\n        // pipe separating cells, '|'\n        result.push(current + str.substring(lastPos, pos));\n        current = '';\n        lastPos = pos + 1;\n      } else {\n        // escaped pipe, '\\|'\n        current += str.substring(lastPos, pos - 1);\n        lastPos = pos;\n      }\n    }\n\n    isEscaped = (ch === 0x5c/* \\ */);\n    pos++;\n\n    ch = str.charCodeAt(pos);\n  }\n\n  result.push(current + str.substring(lastPos));\n\n  return result;\n}\n\n\nmodule.exports = function table(state, startLine, endLine, silent) {\n  var ch, lineText, pos, i, l, nextLine, columns, columnCount, token,\n      aligns, t, tableLines, tbodyLines, oldParentType, terminate,\n      terminatorRules, firstCh, secondCh;\n\n  // should have at least two lines\n  if (startLine + 2 > endLine) { return false; }\n\n  nextLine = startLine + 1;\n\n  if (state.sCount[nextLine] < state.blkIndent) { return false; }\n\n  // if it's indented more than 3 spaces, it should be a code block\n  if (state.sCount[nextLine] - state.blkIndent >= 4) { return false; }\n\n  // first character of the second line should be '|', '-', ':',\n  // and no other characters are allowed but spaces;\n  // basically, this is the equivalent of /^[-:|][-:|\\s]*$/ regexp\n\n  pos = state.bMarks[nextLine] + state.tShift[nextLine];\n  if (pos >= state.eMarks[nextLine]) { return false; }\n\n  firstCh = state.src.charCodeAt(pos++);\n  if (firstCh !== 0x7C/* | */ && firstCh !== 0x2D/* - */ && firstCh !== 0x3A/* : */) { return false; }\n\n  if (pos >= state.eMarks[nextLine]) { return false; }\n\n  secondCh = state.src.charCodeAt(pos++);\n  if (secondCh !== 0x7C/* | */ && secondCh !== 0x2D/* - */ && secondCh !== 0x3A/* : */ && !isSpace(secondCh)) {\n    return false;\n  }\n\n  // if first character is '-', then second character must not be a space\n  // (due to parsing ambiguity with list)\n  if (firstCh === 0x2D/* - */ && isSpace(secondCh)) { return false; }\n\n  while (pos < state.eMarks[nextLine]) {\n    ch = state.src.charCodeAt(pos);\n\n    if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */ && ch !== 0x3A/* : */ && !isSpace(ch)) { return false; }\n\n    pos++;\n  }\n\n  lineText = getLine(state, startLine + 1);\n\n  columns = lineText.split('|');\n  aligns = [];\n  for (i = 0; i < columns.length; i++) {\n    t = columns[i].trim();\n    if (!t) {\n      // allow empty columns before and after table, but not in between columns;\n      // e.g. allow ` |---| `, disallow ` ---||--- `\n      if (i === 0 || i === columns.length - 1) {\n        continue;\n      } else {\n        return false;\n      }\n    }\n\n    if (!/^:?-+:?$/.test(t)) { return false; }\n    if (t.charCodeAt(t.length - 1) === 0x3A/* : */) {\n      aligns.push(t.charCodeAt(0) === 0x3A/* : */ ? 'center' : 'right');\n    } else if (t.charCodeAt(0) === 0x3A/* : */) {\n      aligns.push('left');\n    } else {\n      aligns.push('');\n    }\n  }\n\n  lineText = getLine(state, startLine).trim();\n  if (lineText.indexOf('|') === -1) { return false; }\n  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }\n  columns = escapedSplit(lineText);\n  if (columns.length && columns[0] === '') columns.shift();\n  if (columns.length && columns[columns.length - 1] === '') columns.pop();\n\n  // header row will define an amount of columns in the entire table,\n  // and align row should be exactly the same (the rest of the rows can differ)\n  columnCount = columns.length;\n  if (columnCount === 0 || columnCount !== aligns.length) { return false; }\n\n  if (silent) { return true; }\n\n  oldParentType = state.parentType;\n  state.parentType = 'table';\n\n  // use 'blockquote' lists for termination because it's\n  // the most similar to tables\n  terminatorRules = state.md.block.ruler.getRules('blockquote');\n\n  token     = state.push('table_open', 'table', 1);\n  token.map = tableLines = [ startLine, 0 ];\n\n  token     = state.push('thead_open', 'thead', 1);\n  token.map = [ startLine, startLine + 1 ];\n\n  token     = state.push('tr_open', 'tr', 1);\n  token.map = [ startLine, startLine + 1 ];\n\n  for (i = 0; i < columns.length; i++) {\n    token          = state.push('th_open', 'th', 1);\n    if (aligns[i]) {\n      token.attrs  = [ [ 'style', 'text-align:' + aligns[i] ] ];\n    }\n\n    token          = state.push('inline', '', 0);\n    token.content  = columns[i].trim();\n    token.children = [];\n\n    token          = state.push('th_close', 'th', -1);\n  }\n\n  token     = state.push('tr_close', 'tr', -1);\n  token     = state.push('thead_close', 'thead', -1);\n\n  for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {\n    if (state.sCount[nextLine] < state.blkIndent) { break; }\n\n    terminate = false;\n    for (i = 0, l = terminatorRules.length; i < l; i++) {\n      if (terminatorRules[i](state, nextLine, endLine, true)) {\n        terminate = true;\n        break;\n      }\n    }\n\n    if (terminate) { break; }\n    lineText = getLine(state, nextLine).trim();\n    if (!lineText) { break; }\n    if (state.sCount[nextLine] - state.blkIndent >= 4) { break; }\n    columns = escapedSplit(lineText);\n    if (columns.length && columns[0] === '') columns.shift();\n    if (columns.length && columns[columns.length - 1] === '') columns.pop();\n\n    if (nextLine === startLine + 2) {\n      token     = state.push('tbody_open', 'tbody', 1);\n      token.map = tbodyLines = [ startLine + 2, 0 ];\n    }\n\n    token     = state.push('tr_open', 'tr', 1);\n    token.map = [ nextLine, nextLine + 1 ];\n\n    for (i = 0; i < columnCount; i++) {\n      token          = state.push('td_open', 'td', 1);\n      if (aligns[i]) {\n        token.attrs  = [ [ 'style', 'text-align:' + aligns[i] ] ];\n      }\n\n      token          = state.push('inline', '', 0);\n      token.content  = columns[i] ? columns[i].trim() : '';\n      token.children = [];\n\n      token          = state.push('td_close', 'td', -1);\n    }\n    token = state.push('tr_close', 'tr', -1);\n  }\n\n  if (tbodyLines) {\n    token = state.push('tbody_close', 'tbody', -1);\n    tbodyLines[1] = nextLine;\n  }\n\n  token = state.push('table_close', 'table', -1);\n  tableLines[1] = nextLine;\n\n  state.parentType = oldParentType;\n  state.line = nextLine;\n  return true;\n};\n","'use strict';\n\n\nmodule.exports = function block(state) {\n  var token;\n\n  if (state.inlineMode) {\n    token          = new state.Token('inline', '', 0);\n    token.content  = state.src;\n    token.map      = [ 0, 1 ];\n    token.children = [];\n    state.tokens.push(token);\n  } else {\n    state.md.block.parse(state.src, state.md, state.env, state.tokens);\n  }\n};\n","'use strict';\n\nmodule.exports = function inline(state) {\n  var tokens = state.tokens, tok, i, l;\n\n  // Parse inlines\n  for (i = 0, l = tokens.length; i < l; i++) {\n    tok = tokens[i];\n    if (tok.type === 'inline') {\n      state.md.inline.parse(tok.content, state.md, state.env, tok.children);\n    }\n  }\n};\n","// Replace link-like texts with link nodes.\n//\n// Currently restricted by `md.validateLink()` to http/https/ftp\n//\n'use strict';\n\n\nvar arrayReplaceAt = require('../common/utils').arrayReplaceAt;\n\n\nfunction isLinkOpen(str) {\n  return /^<a[>\\s]/i.test(str);\n}\nfunction isLinkClose(str) {\n  return /^<\\/a\\s*>/i.test(str);\n}\n\n\nmodule.exports = function linkify(state) {\n  var i, j, l, tokens, token, currentToken, nodes, ln, text, pos, lastPos,\n      level, htmlLinkLevel, url, fullUrl, urlText,\n      blockTokens = state.tokens,\n      links;\n\n  if (!state.md.options.linkify) { return; }\n\n  for (j = 0, l = blockTokens.length; j < l; j++) {\n    if (blockTokens[j].type !== 'inline' ||\n        !state.md.linkify.pretest(blockTokens[j].content)) {\n      continue;\n    }\n\n    tokens = blockTokens[j].children;\n\n    htmlLinkLevel = 0;\n\n    // We scan from the end, to keep position when new tags added.\n    // Use reversed logic in links start/end match\n    for (i = tokens.length - 1; i >= 0; i--) {\n      currentToken = tokens[i];\n\n      // Skip content of markdown links\n      if (currentToken.type === 'link_close') {\n        i--;\n        while (tokens[i].level !== currentToken.level && tokens[i].type !== 'link_open') {\n          i--;\n        }\n        continue;\n      }\n\n      // Skip content of html tag links\n      if (currentToken.type === 'html_inline') {\n        if (isLinkOpen(currentToken.content) && htmlLinkLevel > 0) {\n          htmlLinkLevel--;\n        }\n        if (isLinkClose(currentToken.content)) {\n          htmlLinkLevel++;\n        }\n      }\n      if (htmlLinkLevel > 0) { continue; }\n\n      if (currentToken.type === 'text' && state.md.linkify.test(currentToken.content)) {\n\n        text = currentToken.content;\n        links = state.md.linkify.match(text);\n\n        // Now split string to nodes\n        nodes = [];\n        level = currentToken.level;\n        lastPos = 0;\n\n        for (ln = 0; ln < links.length; ln++) {\n\n          url = links[ln].url;\n          fullUrl = state.md.normalizeLink(url);\n          if (!state.md.validateLink(fullUrl)) { continue; }\n\n          urlText = links[ln].text;\n\n          // Linkifier might send raw hostnames like \"example.com\", where url\n          // starts with domain name. So we prepend http:// in those cases,\n          // and remove it afterwards.\n          //\n          if (!links[ln].schema) {\n            urlText = state.md.normalizeLinkText('http://' + urlText).replace(/^http:\\/\\//, '');\n          } else if (links[ln].schema === 'mailto:' && !/^mailto:/i.test(urlText)) {\n            urlText = state.md.normalizeLinkText('mailto:' + urlText).replace(/^mailto:/, '');\n          } else {\n            urlText = state.md.normalizeLinkText(urlText);\n          }\n\n          pos = links[ln].index;\n\n          if (pos > lastPos) {\n            token         = new state.Token('text', '', 0);\n            token.content = text.slice(lastPos, pos);\n            token.level   = level;\n            nodes.push(token);\n          }\n\n          token         = new state.Token('link_open', 'a', 1);\n          token.attrs   = [ [ 'href', fullUrl ] ];\n          token.level   = level++;\n          token.markup  = 'linkify';\n          token.info    = 'auto';\n          nodes.push(token);\n\n          token         = new state.Token('text', '', 0);\n          token.content = urlText;\n          token.level   = level;\n          nodes.push(token);\n\n          token         = new state.Token('link_close', 'a', -1);\n          token.level   = --level;\n          token.markup  = 'linkify';\n          token.info    = 'auto';\n          nodes.push(token);\n\n          lastPos = links[ln].lastIndex;\n        }\n        if (lastPos < text.length) {\n          token         = new state.Token('text', '', 0);\n          token.content = text.slice(lastPos);\n          token.level   = level;\n          nodes.push(token);\n        }\n\n        // replace current node\n        blockTokens[j].children = tokens = arrayReplaceAt(tokens, i, nodes);\n      }\n    }\n  }\n};\n","// Normalize input string\n\n'use strict';\n\n\n// https://spec.commonmark.org/0.29/#line-ending\nvar NEWLINES_RE  = /\\r\\n?|\\n/g;\nvar NULL_RE      = /\\0/g;\n\n\nmodule.exports = function normalize(state) {\n  var str;\n\n  // Normalize newlines\n  str = state.src.replace(NEWLINES_RE, '\\n');\n\n  // Replace NULL characters\n  str = str.replace(NULL_RE, '\\uFFFD');\n\n  state.src = str;\n};\n","// Simple typographic replacements\n//\n// (c) (C) → ©\n// (tm) (TM) → ™\n// (r) (R) → ®\n// +- → ±\n// (p) (P) -> §\n// ... → … (also ?.... → ?.., !.... → !..)\n// ???????? → ???, !!!!! → !!!, `,,` → `,`\n// -- → &ndash;, --- → &mdash;\n//\n'use strict';\n\n// TODO:\n// - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾\n// - miltiplication 2 x 4 -> 2 × 4\n\nvar RARE_RE = /\\+-|\\.\\.|\\?\\?\\?\\?|!!!!|,,|--/;\n\n// Workaround for phantomjs - need regex without /g flag,\n// or root check will fail every second time\nvar SCOPED_ABBR_TEST_RE = /\\((c|tm|r|p)\\)/i;\n\nvar SCOPED_ABBR_RE = /\\((c|tm|r|p)\\)/ig;\nvar SCOPED_ABBR = {\n  c: '©',\n  r: '®',\n  p: '§',\n  tm: '™'\n};\n\nfunction replaceFn(match, name) {\n  return SCOPED_ABBR[name.toLowerCase()];\n}\n\nfunction replace_scoped(inlineTokens) {\n  var i, token, inside_autolink = 0;\n\n  for (i = inlineTokens.length - 1; i >= 0; i--) {\n    token = inlineTokens[i];\n\n    if (token.type === 'text' && !inside_autolink) {\n      token.content = token.content.replace(SCOPED_ABBR_RE, replaceFn);\n    }\n\n    if (token.type === 'link_open' && token.info === 'auto') {\n      inside_autolink--;\n    }\n\n    if (token.type === 'link_close' && token.info === 'auto') {\n      inside_autolink++;\n    }\n  }\n}\n\nfunction replace_rare(inlineTokens) {\n  var i, token, inside_autolink = 0;\n\n  for (i = inlineTokens.length - 1; i >= 0; i--) {\n    token = inlineTokens[i];\n\n    if (token.type === 'text' && !inside_autolink) {\n      if (RARE_RE.test(token.content)) {\n        token.content = token.content\n          .replace(/\\+-/g, '±')\n          // .., ..., ....... -> …\n          // but ?..... & !..... -> ?.. & !..\n          .replace(/\\.{2,}/g, '…').replace(/([?!])…/g, '$1..')\n          .replace(/([?!]){4,}/g, '$1$1$1').replace(/,{2,}/g, ',')\n          // em-dash\n          .replace(/(^|[^-])---(?=[^-]|$)/mg, '$1\\u2014')\n          // en-dash\n          .replace(/(^|\\s)--(?=\\s|$)/mg, '$1\\u2013')\n          .replace(/(^|[^-\\s])--(?=[^-\\s]|$)/mg, '$1\\u2013');\n      }\n    }\n\n    if (token.type === 'link_open' && token.info === 'auto') {\n      inside_autolink--;\n    }\n\n    if (token.type === 'link_close' && token.info === 'auto') {\n      inside_autolink++;\n    }\n  }\n}\n\n\nmodule.exports = function replace(state) {\n  var blkIdx;\n\n  if (!state.md.options.typographer) { return; }\n\n  for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {\n\n    if (state.tokens[blkIdx].type !== 'inline') { continue; }\n\n    if (SCOPED_ABBR_TEST_RE.test(state.tokens[blkIdx].content)) {\n      replace_scoped(state.tokens[blkIdx].children);\n    }\n\n    if (RARE_RE.test(state.tokens[blkIdx].content)) {\n      replace_rare(state.tokens[blkIdx].children);\n    }\n\n  }\n};\n","// Convert straight quotation marks to typographic ones\n//\n'use strict';\n\n\nvar isWhiteSpace   = require('../common/utils').isWhiteSpace;\nvar isPunctChar    = require('../common/utils').isPunctChar;\nvar isMdAsciiPunct = require('../common/utils').isMdAsciiPunct;\n\nvar QUOTE_TEST_RE = /['\"]/;\nvar QUOTE_RE = /['\"]/g;\nvar APOSTROPHE = '\\u2019'; /* ’ */\n\n\nfunction replaceAt(str, index, ch) {\n  return str.substr(0, index) + ch + str.substr(index + 1);\n}\n\nfunction process_inlines(tokens, state) {\n  var i, token, text, t, pos, max, thisLevel, item, lastChar, nextChar,\n      isLastPunctChar, isNextPunctChar, isLastWhiteSpace, isNextWhiteSpace,\n      canOpen, canClose, j, isSingle, stack, openQuote, closeQuote;\n\n  stack = [];\n\n  for (i = 0; i < tokens.length; i++) {\n    token = tokens[i];\n\n    thisLevel = tokens[i].level;\n\n    for (j = stack.length - 1; j >= 0; j--) {\n      if (stack[j].level <= thisLevel) { break; }\n    }\n    stack.length = j + 1;\n\n    if (token.type !== 'text') { continue; }\n\n    text = token.content;\n    pos = 0;\n    max = text.length;\n\n    /*eslint no-labels:0,block-scoped-var:0*/\n    OUTER:\n    while (pos < max) {\n      QUOTE_RE.lastIndex = pos;\n      t = QUOTE_RE.exec(text);\n      if (!t) { break; }\n\n      canOpen = canClose = true;\n      pos = t.index + 1;\n      isSingle = (t[0] === \"'\");\n\n      // Find previous character,\n      // default to space if it's the beginning of the line\n      //\n      lastChar = 0x20;\n\n      if (t.index - 1 >= 0) {\n        lastChar = text.charCodeAt(t.index - 1);\n      } else {\n        for (j = i - 1; j >= 0; j--) {\n          if (tokens[j].type === 'softbreak' || tokens[j].type === 'hardbreak') break; // lastChar defaults to 0x20\n          if (!tokens[j].content) continue; // should skip all tokens except 'text', 'html_inline' or 'code_inline'\n\n          lastChar = tokens[j].content.charCodeAt(tokens[j].content.length - 1);\n          break;\n        }\n      }\n\n      // Find next character,\n      // default to space if it's the end of the line\n      //\n      nextChar = 0x20;\n\n      if (pos < max) {\n        nextChar = text.charCodeAt(pos);\n      } else {\n        for (j = i + 1; j < tokens.length; j++) {\n          if (tokens[j].type === 'softbreak' || tokens[j].type === 'hardbreak') break; // nextChar defaults to 0x20\n          if (!tokens[j].content) continue; // should skip all tokens except 'text', 'html_inline' or 'code_inline'\n\n          nextChar = tokens[j].content.charCodeAt(0);\n          break;\n        }\n      }\n\n      isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));\n      isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));\n\n      isLastWhiteSpace = isWhiteSpace(lastChar);\n      isNextWhiteSpace = isWhiteSpace(nextChar);\n\n      if (isNextWhiteSpace) {\n        canOpen = false;\n      } else if (isNextPunctChar) {\n        if (!(isLastWhiteSpace || isLastPunctChar)) {\n          canOpen = false;\n        }\n      }\n\n      if (isLastWhiteSpace) {\n        canClose = false;\n      } else if (isLastPunctChar) {\n        if (!(isNextWhiteSpace || isNextPunctChar)) {\n          canClose = false;\n        }\n      }\n\n      if (nextChar === 0x22 /* \" */ && t[0] === '\"') {\n        if (lastChar >= 0x30 /* 0 */ && lastChar <= 0x39 /* 9 */) {\n          // special case: 1\"\" - count first quote as an inch\n          canClose = canOpen = false;\n        }\n      }\n\n      if (canOpen && canClose) {\n        // Replace quotes in the middle of punctuation sequence, but not\n        // in the middle of the words, i.e.:\n        //\n        // 1. foo \" bar \" baz - not replaced\n        // 2. foo-\"-bar-\"-baz - replaced\n        // 3. foo\"bar\"baz     - not replaced\n        //\n        canOpen = isLastPunctChar;\n        canClose = isNextPunctChar;\n      }\n\n      if (!canOpen && !canClose) {\n        // middle of word\n        if (isSingle) {\n          token.content = replaceAt(token.content, t.index, APOSTROPHE);\n        }\n        continue;\n      }\n\n      if (canClose) {\n        // this could be a closing quote, rewind the stack to get a match\n        for (j = stack.length - 1; j >= 0; j--) {\n          item = stack[j];\n          if (stack[j].level < thisLevel) { break; }\n          if (item.single === isSingle && stack[j].level === thisLevel) {\n            item = stack[j];\n\n            if (isSingle) {\n              openQuote = state.md.options.quotes[2];\n              closeQuote = state.md.options.quotes[3];\n            } else {\n              openQuote = state.md.options.quotes[0];\n              closeQuote = state.md.options.quotes[1];\n            }\n\n            // replace token.content *before* tokens[item.token].content,\n            // because, if they are pointing at the same token, replaceAt\n            // could mess up indices when quote length != 1\n            token.content = replaceAt(token.content, t.index, closeQuote);\n            tokens[item.token].content = replaceAt(\n              tokens[item.token].content, item.pos, openQuote);\n\n            pos += closeQuote.length - 1;\n            if (item.token === i) { pos += openQuote.length - 1; }\n\n            text = token.content;\n            max = text.length;\n\n            stack.length = j;\n            continue OUTER;\n          }\n        }\n      }\n\n      if (canOpen) {\n        stack.push({\n          token: i,\n          pos: t.index,\n          single: isSingle,\n          level: thisLevel\n        });\n      } else if (canClose && isSingle) {\n        token.content = replaceAt(token.content, t.index, APOSTROPHE);\n      }\n    }\n  }\n}\n\n\nmodule.exports = function smartquotes(state) {\n  /*eslint max-depth:0*/\n  var blkIdx;\n\n  if (!state.md.options.typographer) { return; }\n\n  for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {\n\n    if (state.tokens[blkIdx].type !== 'inline' ||\n        !QUOTE_TEST_RE.test(state.tokens[blkIdx].content)) {\n      continue;\n    }\n\n    process_inlines(state.tokens[blkIdx].children, state);\n  }\n};\n","// Core state object\n//\n'use strict';\n\nvar Token = require('../token');\n\n\nfunction StateCore(src, md, env) {\n  this.src = src;\n  this.env = env;\n  this.tokens = [];\n  this.inlineMode = false;\n  this.md = md; // link to parser instance\n}\n\n// re-export Token class to use in core rules\nStateCore.prototype.Token = Token;\n\n\nmodule.exports = StateCore;\n","// Process autolinks '<protocol:...>'\n\n'use strict';\n\n\n/*eslint max-len:0*/\nvar EMAIL_RE    = /^([a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$/;\nvar AUTOLINK_RE = /^([a-zA-Z][a-zA-Z0-9+.\\-]{1,31}):([^<>\\x00-\\x20]*)$/;\n\n\nmodule.exports = function autolink(state, silent) {\n  var url, fullUrl, token, ch, start, max,\n      pos = state.pos;\n\n  if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }\n\n  start = state.pos;\n  max = state.posMax;\n\n  for (;;) {\n    if (++pos >= max) return false;\n\n    ch = state.src.charCodeAt(pos);\n\n    if (ch === 0x3C /* < */) return false;\n    if (ch === 0x3E /* > */) break;\n  }\n\n  url = state.src.slice(start + 1, pos);\n\n  if (AUTOLINK_RE.test(url)) {\n    fullUrl = state.md.normalizeLink(url);\n    if (!state.md.validateLink(fullUrl)) { return false; }\n\n    if (!silent) {\n      token         = state.push('link_open', 'a', 1);\n      token.attrs   = [ [ 'href', fullUrl ] ];\n      token.markup  = 'autolink';\n      token.info    = 'auto';\n\n      token         = state.push('text', '', 0);\n      token.content = state.md.normalizeLinkText(url);\n\n      token         = state.push('link_close', 'a', -1);\n      token.markup  = 'autolink';\n      token.info    = 'auto';\n    }\n\n    state.pos += url.length + 2;\n    return true;\n  }\n\n  if (EMAIL_RE.test(url)) {\n    fullUrl = state.md.normalizeLink('mailto:' + url);\n    if (!state.md.validateLink(fullUrl)) { return false; }\n\n    if (!silent) {\n      token         = state.push('link_open', 'a', 1);\n      token.attrs   = [ [ 'href', fullUrl ] ];\n      token.markup  = 'autolink';\n      token.info    = 'auto';\n\n      token         = state.push('text', '', 0);\n      token.content = state.md.normalizeLinkText(url);\n\n      token         = state.push('link_close', 'a', -1);\n      token.markup  = 'autolink';\n      token.info    = 'auto';\n    }\n\n    state.pos += url.length + 2;\n    return true;\n  }\n\n  return false;\n};\n","// Parse backticks\n\n'use strict';\n\n\nmodule.exports = function backtick(state, silent) {\n  var start, max, marker, token, matchStart, matchEnd, openerLength, closerLength,\n      pos = state.pos,\n      ch = state.src.charCodeAt(pos);\n\n  if (ch !== 0x60/* ` */) { return false; }\n\n  start = pos;\n  pos++;\n  max = state.posMax;\n\n  // scan marker length\n  while (pos < max && state.src.charCodeAt(pos) === 0x60/* ` */) { pos++; }\n\n  marker = state.src.slice(start, pos);\n  openerLength = marker.length;\n\n  if (state.backticksScanned && (state.backticks[openerLength] || 0) <= start) {\n    if (!silent) state.pending += marker;\n    state.pos += openerLength;\n    return true;\n  }\n\n  matchStart = matchEnd = pos;\n\n  // Nothing found in the cache, scan until the end of the line (or until marker is found)\n  while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) {\n    matchEnd = matchStart + 1;\n\n    // scan marker length\n    while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60/* ` */) { matchEnd++; }\n\n    closerLength = matchEnd - matchStart;\n\n    if (closerLength === openerLength) {\n      // Found matching closer length.\n      if (!silent) {\n        token     = state.push('code_inline', 'code', 0);\n        token.markup  = marker;\n        token.content = state.src.slice(pos, matchStart)\n          .replace(/\\n/g, ' ')\n          .replace(/^ (.+) $/, '$1');\n      }\n      state.pos = matchEnd;\n      return true;\n    }\n\n    // Some different length found, put it in cache as upper limit of where closer can be found\n    state.backticks[closerLength] = matchStart;\n  }\n\n  // Scanned through the end, didn't find anything\n  state.backticksScanned = true;\n\n  if (!silent) state.pending += marker;\n  state.pos += openerLength;\n  return true;\n};\n","// For each opening emphasis-like marker find a matching closing one\n//\n'use strict';\n\n\nfunction processDelimiters(state, delimiters) {\n  var closerIdx, openerIdx, closer, opener, minOpenerIdx, newMinOpenerIdx,\n      isOddMatch, lastJump,\n      openersBottom = {},\n      max = delimiters.length;\n\n  if (!max) return;\n\n  // headerIdx is the first delimiter of the current (where closer is) delimiter run\n  var headerIdx = 0;\n  var lastTokenIdx = -2; // needs any value lower than -1\n  var jumps = [];\n\n  for (closerIdx = 0; closerIdx < max; closerIdx++) {\n    closer = delimiters[closerIdx];\n\n    jumps.push(0);\n\n    // markers belong to same delimiter run if:\n    //  - they have adjacent tokens\n    //  - AND markers are the same\n    //\n    if (delimiters[headerIdx].marker !== closer.marker || lastTokenIdx !== closer.token - 1) {\n      headerIdx = closerIdx;\n    }\n\n    lastTokenIdx = closer.token;\n\n    // Length is only used for emphasis-specific \"rule of 3\",\n    // if it's not defined (in strikethrough or 3rd party plugins),\n    // we can default it to 0 to disable those checks.\n    //\n    closer.length = closer.length || 0;\n\n    if (!closer.close) continue;\n\n    // Previously calculated lower bounds (previous fails)\n    // for each marker, each delimiter length modulo 3,\n    // and for whether this closer can be an opener;\n    // https://github.com/commonmark/cmark/commit/34250e12ccebdc6372b8b49c44fab57c72443460\n    if (!openersBottom.hasOwnProperty(closer.marker)) {\n      openersBottom[closer.marker] = [ -1, -1, -1, -1, -1, -1 ];\n    }\n\n    minOpenerIdx = openersBottom[closer.marker][(closer.open ? 3 : 0) + (closer.length % 3)];\n\n    openerIdx = headerIdx - jumps[headerIdx] - 1;\n\n    newMinOpenerIdx = openerIdx;\n\n    for (; openerIdx > minOpenerIdx; openerIdx -= jumps[openerIdx] + 1) {\n      opener = delimiters[openerIdx];\n\n      if (opener.marker !== closer.marker) continue;\n\n      if (opener.open && opener.end < 0) {\n\n        isOddMatch = false;\n\n        // from spec:\n        //\n        // If one of the delimiters can both open and close emphasis, then the\n        // sum of the lengths of the delimiter runs containing the opening and\n        // closing delimiters must not be a multiple of 3 unless both lengths\n        // are multiples of 3.\n        //\n        if (opener.close || closer.open) {\n          if ((opener.length + closer.length) % 3 === 0) {\n            if (opener.length % 3 !== 0 || closer.length % 3 !== 0) {\n              isOddMatch = true;\n            }\n          }\n        }\n\n        if (!isOddMatch) {\n          // If previous delimiter cannot be an opener, we can safely skip\n          // the entire sequence in future checks. This is required to make\n          // sure algorithm has linear complexity (see *_*_*_*_*_... case).\n          //\n          lastJump = openerIdx > 0 && !delimiters[openerIdx - 1].open ?\n            jumps[openerIdx - 1] + 1 :\n            0;\n\n          jumps[closerIdx] = closerIdx - openerIdx + lastJump;\n          jumps[openerIdx] = lastJump;\n\n          closer.open  = false;\n          opener.end   = closerIdx;\n          opener.close = false;\n          newMinOpenerIdx = -1;\n          // treat next token as start of run,\n          // it optimizes skips in **<...>**a**<...>** pathological case\n          lastTokenIdx = -2;\n          break;\n        }\n      }\n    }\n\n    if (newMinOpenerIdx !== -1) {\n      // If match for this delimiter run failed, we want to set lower bound for\n      // future lookups. This is required to make sure algorithm has linear\n      // complexity.\n      //\n      // See details here:\n      // https://github.com/commonmark/cmark/issues/178#issuecomment-270417442\n      //\n      openersBottom[closer.marker][(closer.open ? 3 : 0) + ((closer.length || 0) % 3)] = newMinOpenerIdx;\n    }\n  }\n}\n\n\nmodule.exports = function link_pairs(state) {\n  var curr,\n      tokens_meta = state.tokens_meta,\n      max = state.tokens_meta.length;\n\n  processDelimiters(state, state.delimiters);\n\n  for (curr = 0; curr < max; curr++) {\n    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {\n      processDelimiters(state, tokens_meta[curr].delimiters);\n    }\n  }\n};\n","// Process *this* and _that_\n//\n'use strict';\n\n\n// Insert each marker as a separate text token, and add it to delimiter list\n//\nmodule.exports.tokenize = function emphasis(state, silent) {\n  var i, scanned, token,\n      start = state.pos,\n      marker = state.src.charCodeAt(start);\n\n  if (silent) { return false; }\n\n  if (marker !== 0x5F /* _ */ && marker !== 0x2A /* * */) { return false; }\n\n  scanned = state.scanDelims(state.pos, marker === 0x2A);\n\n  for (i = 0; i < scanned.length; i++) {\n    token         = state.push('text', '', 0);\n    token.content = String.fromCharCode(marker);\n\n    state.delimiters.push({\n      // Char code of the starting marker (number).\n      //\n      marker: marker,\n\n      // Total length of these series of delimiters.\n      //\n      length: scanned.length,\n\n      // A position of the token this delimiter corresponds to.\n      //\n      token:  state.tokens.length - 1,\n\n      // If this delimiter is matched as a valid opener, `end` will be\n      // equal to its position, otherwise it's `-1`.\n      //\n      end:    -1,\n\n      // Boolean flags that determine if this delimiter could open or close\n      // an emphasis.\n      //\n      open:   scanned.can_open,\n      close:  scanned.can_close\n    });\n  }\n\n  state.pos += scanned.length;\n\n  return true;\n};\n\n\nfunction postProcess(state, delimiters) {\n  var i,\n      startDelim,\n      endDelim,\n      token,\n      ch,\n      isStrong,\n      max = delimiters.length;\n\n  for (i = max - 1; i >= 0; i--) {\n    startDelim = delimiters[i];\n\n    if (startDelim.marker !== 0x5F/* _ */ && startDelim.marker !== 0x2A/* * */) {\n      continue;\n    }\n\n    // Process only opening markers\n    if (startDelim.end === -1) {\n      continue;\n    }\n\n    endDelim = delimiters[startDelim.end];\n\n    // If the previous delimiter has the same marker and is adjacent to this one,\n    // merge those into one strong delimiter.\n    //\n    // `<em><em>whatever</em></em>` -> `<strong>whatever</strong>`\n    //\n    isStrong = i > 0 &&\n               delimiters[i - 1].end === startDelim.end + 1 &&\n               // check that first two markers match and adjacent\n               delimiters[i - 1].marker === startDelim.marker &&\n               delimiters[i - 1].token === startDelim.token - 1 &&\n               // check that last two markers are adjacent (we can safely assume they match)\n               delimiters[startDelim.end + 1].token === endDelim.token + 1;\n\n    ch = String.fromCharCode(startDelim.marker);\n\n    token         = state.tokens[startDelim.token];\n    token.type    = isStrong ? 'strong_open' : 'em_open';\n    token.tag     = isStrong ? 'strong' : 'em';\n    token.nesting = 1;\n    token.markup  = isStrong ? ch + ch : ch;\n    token.content = '';\n\n    token         = state.tokens[endDelim.token];\n    token.type    = isStrong ? 'strong_close' : 'em_close';\n    token.tag     = isStrong ? 'strong' : 'em';\n    token.nesting = -1;\n    token.markup  = isStrong ? ch + ch : ch;\n    token.content = '';\n\n    if (isStrong) {\n      state.tokens[delimiters[i - 1].token].content = '';\n      state.tokens[delimiters[startDelim.end + 1].token].content = '';\n      i--;\n    }\n  }\n}\n\n\n// Walk through delimiter list and replace text tokens with tags\n//\nmodule.exports.postProcess = function emphasis(state) {\n  var curr,\n      tokens_meta = state.tokens_meta,\n      max = state.tokens_meta.length;\n\n  postProcess(state, state.delimiters);\n\n  for (curr = 0; curr < max; curr++) {\n    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {\n      postProcess(state, tokens_meta[curr].delimiters);\n    }\n  }\n};\n","// Process html entity - &#123;, &#xAF;, &quot;, ...\n\n'use strict';\n\nvar entities          = require('../common/entities');\nvar has               = require('../common/utils').has;\nvar isValidEntityCode = require('../common/utils').isValidEntityCode;\nvar fromCodePoint     = require('../common/utils').fromCodePoint;\n\n\nvar DIGITAL_RE = /^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));/i;\nvar NAMED_RE   = /^&([a-z][a-z0-9]{1,31});/i;\n\n\nmodule.exports = function entity(state, silent) {\n  var ch, code, match, pos = state.pos, max = state.posMax;\n\n  if (state.src.charCodeAt(pos) !== 0x26/* & */) { return false; }\n\n  if (pos + 1 < max) {\n    ch = state.src.charCodeAt(pos + 1);\n\n    if (ch === 0x23 /* # */) {\n      match = state.src.slice(pos).match(DIGITAL_RE);\n      if (match) {\n        if (!silent) {\n          code = match[1][0].toLowerCase() === 'x' ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10);\n          state.pending += isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(0xFFFD);\n        }\n        state.pos += match[0].length;\n        return true;\n      }\n    } else {\n      match = state.src.slice(pos).match(NAMED_RE);\n      if (match) {\n        if (has(entities, match[1])) {\n          if (!silent) { state.pending += entities[match[1]]; }\n          state.pos += match[0].length;\n          return true;\n        }\n      }\n    }\n  }\n\n  if (!silent) { state.pending += '&'; }\n  state.pos++;\n  return true;\n};\n","// Process escaped chars and hardbreaks\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\nvar ESCAPED = [];\n\nfor (var i = 0; i < 256; i++) { ESCAPED.push(0); }\n\n'\\\\!\"#$%&\\'()*+,./:;<=>?@[]^_`{|}~-'\n  .split('').forEach(function (ch) { ESCAPED[ch.charCodeAt(0)] = 1; });\n\n\nmodule.exports = function escape(state, silent) {\n  var ch, pos = state.pos, max = state.posMax;\n\n  if (state.src.charCodeAt(pos) !== 0x5C/* \\ */) { return false; }\n\n  pos++;\n\n  if (pos < max) {\n    ch = state.src.charCodeAt(pos);\n\n    if (ch < 256 && ESCAPED[ch] !== 0) {\n      if (!silent) { state.pending += state.src[pos]; }\n      state.pos += 2;\n      return true;\n    }\n\n    if (ch === 0x0A) {\n      if (!silent) {\n        state.push('hardbreak', 'br', 0);\n      }\n\n      pos++;\n      // skip leading whitespaces from next line\n      while (pos < max) {\n        ch = state.src.charCodeAt(pos);\n        if (!isSpace(ch)) { break; }\n        pos++;\n      }\n\n      state.pos = pos;\n      return true;\n    }\n  }\n\n  if (!silent) { state.pending += '\\\\'; }\n  state.pos++;\n  return true;\n};\n","// Process html tags\n\n'use strict';\n\n\nvar HTML_TAG_RE = require('../common/html_re').HTML_TAG_RE;\n\n\nfunction isLetter(ch) {\n  /*eslint no-bitwise:0*/\n  var lc = ch | 0x20; // to lower case\n  return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */);\n}\n\n\nmodule.exports = function html_inline(state, silent) {\n  var ch, match, max, token,\n      pos = state.pos;\n\n  if (!state.md.options.html) { return false; }\n\n  // Check start\n  max = state.posMax;\n  if (state.src.charCodeAt(pos) !== 0x3C/* < */ ||\n      pos + 2 >= max) {\n    return false;\n  }\n\n  // Quick fail on second char\n  ch = state.src.charCodeAt(pos + 1);\n  if (ch !== 0x21/* ! */ &&\n      ch !== 0x3F/* ? */ &&\n      ch !== 0x2F/* / */ &&\n      !isLetter(ch)) {\n    return false;\n  }\n\n  match = state.src.slice(pos).match(HTML_TAG_RE);\n  if (!match) { return false; }\n\n  if (!silent) {\n    token         = state.push('html_inline', '', 0);\n    token.content = state.src.slice(pos, pos + match[0].length);\n  }\n  state.pos += match[0].length;\n  return true;\n};\n","// Process ![image](<src> \"title\")\n\n'use strict';\n\nvar normalizeReference   = require('../common/utils').normalizeReference;\nvar isSpace              = require('../common/utils').isSpace;\n\n\nmodule.exports = function image(state, silent) {\n  var attrs,\n      code,\n      content,\n      label,\n      labelEnd,\n      labelStart,\n      pos,\n      ref,\n      res,\n      title,\n      token,\n      tokens,\n      start,\n      href = '',\n      oldPos = state.pos,\n      max = state.posMax;\n\n  if (state.src.charCodeAt(state.pos) !== 0x21/* ! */) { return false; }\n  if (state.src.charCodeAt(state.pos + 1) !== 0x5B/* [ */) { return false; }\n\n  labelStart = state.pos + 2;\n  labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, false);\n\n  // parser failed to find ']', so it's not a valid link\n  if (labelEnd < 0) { return false; }\n\n  pos = labelEnd + 1;\n  if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) {\n    //\n    // Inline link\n    //\n\n    // [link](  <href>  \"title\"  )\n    //        ^^ skipping these spaces\n    pos++;\n    for (; pos < max; pos++) {\n      code = state.src.charCodeAt(pos);\n      if (!isSpace(code) && code !== 0x0A) { break; }\n    }\n    if (pos >= max) { return false; }\n\n    // [link](  <href>  \"title\"  )\n    //          ^^^^^^ parsing link destination\n    start = pos;\n    res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);\n    if (res.ok) {\n      href = state.md.normalizeLink(res.str);\n      if (state.md.validateLink(href)) {\n        pos = res.pos;\n      } else {\n        href = '';\n      }\n    }\n\n    // [link](  <href>  \"title\"  )\n    //                ^^ skipping these spaces\n    start = pos;\n    for (; pos < max; pos++) {\n      code = state.src.charCodeAt(pos);\n      if (!isSpace(code) && code !== 0x0A) { break; }\n    }\n\n    // [link](  <href>  \"title\"  )\n    //                  ^^^^^^^ parsing link title\n    res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);\n    if (pos < max && start !== pos && res.ok) {\n      title = res.str;\n      pos = res.pos;\n\n      // [link](  <href>  \"title\"  )\n      //                         ^^ skipping these spaces\n      for (; pos < max; pos++) {\n        code = state.src.charCodeAt(pos);\n        if (!isSpace(code) && code !== 0x0A) { break; }\n      }\n    } else {\n      title = '';\n    }\n\n    if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {\n      state.pos = oldPos;\n      return false;\n    }\n    pos++;\n  } else {\n    //\n    // Link reference\n    //\n    if (typeof state.env.references === 'undefined') { return false; }\n\n    if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {\n      start = pos + 1;\n      pos = state.md.helpers.parseLinkLabel(state, pos);\n      if (pos >= 0) {\n        label = state.src.slice(start, pos++);\n      } else {\n        pos = labelEnd + 1;\n      }\n    } else {\n      pos = labelEnd + 1;\n    }\n\n    // covers label === '' and label === undefined\n    // (collapsed reference link and shortcut reference link respectively)\n    if (!label) { label = state.src.slice(labelStart, labelEnd); }\n\n    ref = state.env.references[normalizeReference(label)];\n    if (!ref) {\n      state.pos = oldPos;\n      return false;\n    }\n    href = ref.href;\n    title = ref.title;\n  }\n\n  //\n  // We found the end of the link, and know for a fact it's a valid link;\n  // so all that's left to do is to call tokenizer.\n  //\n  if (!silent) {\n    content = state.src.slice(labelStart, labelEnd);\n\n    state.md.inline.parse(\n      content,\n      state.md,\n      state.env,\n      tokens = []\n    );\n\n    token          = state.push('image', 'img', 0);\n    token.attrs    = attrs = [ [ 'src', href ], [ 'alt', '' ] ];\n    token.children = tokens;\n    token.content  = content;\n\n    if (title) {\n      attrs.push([ 'title', title ]);\n    }\n  }\n\n  state.pos = pos;\n  state.posMax = max;\n  return true;\n};\n","// Process [link](<to> \"stuff\")\n\n'use strict';\n\nvar normalizeReference   = require('../common/utils').normalizeReference;\nvar isSpace              = require('../common/utils').isSpace;\n\n\nmodule.exports = function link(state, silent) {\n  var attrs,\n      code,\n      label,\n      labelEnd,\n      labelStart,\n      pos,\n      res,\n      ref,\n      token,\n      href = '',\n      title = '',\n      oldPos = state.pos,\n      max = state.posMax,\n      start = state.pos,\n      parseReference = true;\n\n  if (state.src.charCodeAt(state.pos) !== 0x5B/* [ */) { return false; }\n\n  labelStart = state.pos + 1;\n  labelEnd = state.md.helpers.parseLinkLabel(state, state.pos, true);\n\n  // parser failed to find ']', so it's not a valid link\n  if (labelEnd < 0) { return false; }\n\n  pos = labelEnd + 1;\n  if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) {\n    //\n    // Inline link\n    //\n\n    // might have found a valid shortcut link, disable reference parsing\n    parseReference = false;\n\n    // [link](  <href>  \"title\"  )\n    //        ^^ skipping these spaces\n    pos++;\n    for (; pos < max; pos++) {\n      code = state.src.charCodeAt(pos);\n      if (!isSpace(code) && code !== 0x0A) { break; }\n    }\n    if (pos >= max) { return false; }\n\n    // [link](  <href>  \"title\"  )\n    //          ^^^^^^ parsing link destination\n    start = pos;\n    res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);\n    if (res.ok) {\n      href = state.md.normalizeLink(res.str);\n      if (state.md.validateLink(href)) {\n        pos = res.pos;\n      } else {\n        href = '';\n      }\n\n      // [link](  <href>  \"title\"  )\n      //                ^^ skipping these spaces\n      start = pos;\n      for (; pos < max; pos++) {\n        code = state.src.charCodeAt(pos);\n        if (!isSpace(code) && code !== 0x0A) { break; }\n      }\n\n      // [link](  <href>  \"title\"  )\n      //                  ^^^^^^^ parsing link title\n      res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);\n      if (pos < max && start !== pos && res.ok) {\n        title = res.str;\n        pos = res.pos;\n\n        // [link](  <href>  \"title\"  )\n        //                         ^^ skipping these spaces\n        for (; pos < max; pos++) {\n          code = state.src.charCodeAt(pos);\n          if (!isSpace(code) && code !== 0x0A) { break; }\n        }\n      }\n    }\n\n    if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {\n      // parsing a valid shortcut link failed, fallback to reference\n      parseReference = true;\n    }\n    pos++;\n  }\n\n  if (parseReference) {\n    //\n    // Link reference\n    //\n    if (typeof state.env.references === 'undefined') { return false; }\n\n    if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {\n      start = pos + 1;\n      pos = state.md.helpers.parseLinkLabel(state, pos);\n      if (pos >= 0) {\n        label = state.src.slice(start, pos++);\n      } else {\n        pos = labelEnd + 1;\n      }\n    } else {\n      pos = labelEnd + 1;\n    }\n\n    // covers label === '' and label === undefined\n    // (collapsed reference link and shortcut reference link respectively)\n    if (!label) { label = state.src.slice(labelStart, labelEnd); }\n\n    ref = state.env.references[normalizeReference(label)];\n    if (!ref) {\n      state.pos = oldPos;\n      return false;\n    }\n    href = ref.href;\n    title = ref.title;\n  }\n\n  //\n  // We found the end of the link, and know for a fact it's a valid link;\n  // so all that's left to do is to call tokenizer.\n  //\n  if (!silent) {\n    state.pos = labelStart;\n    state.posMax = labelEnd;\n\n    token        = state.push('link_open', 'a', 1);\n    token.attrs  = attrs = [ [ 'href', href ] ];\n    if (title) {\n      attrs.push([ 'title', title ]);\n    }\n\n    state.md.inline.tokenize(state);\n\n    token        = state.push('link_close', 'a', -1);\n  }\n\n  state.pos = pos;\n  state.posMax = max;\n  return true;\n};\n","// Proceess '\\n'\n\n'use strict';\n\nvar isSpace = require('../common/utils').isSpace;\n\n\nmodule.exports = function newline(state, silent) {\n  var pmax, max, ws, pos = state.pos;\n\n  if (state.src.charCodeAt(pos) !== 0x0A/* \\n */) { return false; }\n\n  pmax = state.pending.length - 1;\n  max = state.posMax;\n\n  // '  \\n' -> hardbreak\n  // Lookup in pending chars is bad practice! Don't copy to other rules!\n  // Pending string is stored in concat mode, indexed lookups will cause\n  // convertion to flat mode.\n  if (!silent) {\n    if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) {\n      if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) {\n        // Find whitespaces tail of pending chars.\n        ws = pmax - 1;\n        while (ws >= 1 && state.pending.charCodeAt(ws - 1) === 0x20) ws--;\n\n        state.pending = state.pending.slice(0, ws);\n        state.push('hardbreak', 'br', 0);\n      } else {\n        state.pending = state.pending.slice(0, -1);\n        state.push('softbreak', 'br', 0);\n      }\n\n    } else {\n      state.push('softbreak', 'br', 0);\n    }\n  }\n\n  pos++;\n\n  // skip heading spaces for next line\n  while (pos < max && isSpace(state.src.charCodeAt(pos))) { pos++; }\n\n  state.pos = pos;\n  return true;\n};\n","// Inline parser state\n\n'use strict';\n\n\nvar Token          = require('../token');\nvar isWhiteSpace   = require('../common/utils').isWhiteSpace;\nvar isPunctChar    = require('../common/utils').isPunctChar;\nvar isMdAsciiPunct = require('../common/utils').isMdAsciiPunct;\n\n\nfunction StateInline(src, md, env, outTokens) {\n  this.src = src;\n  this.env = env;\n  this.md = md;\n  this.tokens = outTokens;\n  this.tokens_meta = Array(outTokens.length);\n\n  this.pos = 0;\n  this.posMax = this.src.length;\n  this.level = 0;\n  this.pending = '';\n  this.pendingLevel = 0;\n\n  // Stores { start: end } pairs. Useful for backtrack\n  // optimization of pairs parse (emphasis, strikes).\n  this.cache = {};\n\n  // List of emphasis-like delimiters for current tag\n  this.delimiters = [];\n\n  // Stack of delimiter lists for upper level tags\n  this._prev_delimiters = [];\n\n  // backtick length => last seen position\n  this.backticks = {};\n  this.backticksScanned = false;\n}\n\n\n// Flush pending text\n//\nStateInline.prototype.pushPending = function () {\n  var token = new Token('text', '', 0);\n  token.content = this.pending;\n  token.level = this.pendingLevel;\n  this.tokens.push(token);\n  this.pending = '';\n  return token;\n};\n\n\n// Push new token to \"stream\".\n// If pending text exists - flush it as text token\n//\nStateInline.prototype.push = function (type, tag, nesting) {\n  if (this.pending) {\n    this.pushPending();\n  }\n\n  var token = new Token(type, tag, nesting);\n  var token_meta = null;\n\n  if (nesting < 0) {\n    // closing tag\n    this.level--;\n    this.delimiters = this._prev_delimiters.pop();\n  }\n\n  token.level = this.level;\n\n  if (nesting > 0) {\n    // opening tag\n    this.level++;\n    this._prev_delimiters.push(this.delimiters);\n    this.delimiters = [];\n    token_meta = { delimiters: this.delimiters };\n  }\n\n  this.pendingLevel = this.level;\n  this.tokens.push(token);\n  this.tokens_meta.push(token_meta);\n  return token;\n};\n\n\n// Scan a sequence of emphasis-like markers, and determine whether\n// it can start an emphasis sequence or end an emphasis sequence.\n//\n//  - start - position to scan from (it should point at a valid marker);\n//  - canSplitWord - determine if these markers can be found inside a word\n//\nStateInline.prototype.scanDelims = function (start, canSplitWord) {\n  var pos = start, lastChar, nextChar, count, can_open, can_close,\n      isLastWhiteSpace, isLastPunctChar,\n      isNextWhiteSpace, isNextPunctChar,\n      left_flanking = true,\n      right_flanking = true,\n      max = this.posMax,\n      marker = this.src.charCodeAt(start);\n\n  // treat beginning of the line as a whitespace\n  lastChar = start > 0 ? this.src.charCodeAt(start - 1) : 0x20;\n\n  while (pos < max && this.src.charCodeAt(pos) === marker) { pos++; }\n\n  count = pos - start;\n\n  // treat end of the line as a whitespace\n  nextChar = pos < max ? this.src.charCodeAt(pos) : 0x20;\n\n  isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));\n  isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));\n\n  isLastWhiteSpace = isWhiteSpace(lastChar);\n  isNextWhiteSpace = isWhiteSpace(nextChar);\n\n  if (isNextWhiteSpace) {\n    left_flanking = false;\n  } else if (isNextPunctChar) {\n    if (!(isLastWhiteSpace || isLastPunctChar)) {\n      left_flanking = false;\n    }\n  }\n\n  if (isLastWhiteSpace) {\n    right_flanking = false;\n  } else if (isLastPunctChar) {\n    if (!(isNextWhiteSpace || isNextPunctChar)) {\n      right_flanking = false;\n    }\n  }\n\n  if (!canSplitWord) {\n    can_open  = left_flanking  && (!right_flanking || isLastPunctChar);\n    can_close = right_flanking && (!left_flanking  || isNextPunctChar);\n  } else {\n    can_open  = left_flanking;\n    can_close = right_flanking;\n  }\n\n  return {\n    can_open:  can_open,\n    can_close: can_close,\n    length:    count\n  };\n};\n\n\n// re-export Token class to use in block rules\nStateInline.prototype.Token = Token;\n\n\nmodule.exports = StateInline;\n","// ~~strike through~~\n//\n'use strict';\n\n\n// Insert each marker as a separate text token, and add it to delimiter list\n//\nmodule.exports.tokenize = function strikethrough(state, silent) {\n  var i, scanned, token, len, ch,\n      start = state.pos,\n      marker = state.src.charCodeAt(start);\n\n  if (silent) { return false; }\n\n  if (marker !== 0x7E/* ~ */) { return false; }\n\n  scanned = state.scanDelims(state.pos, true);\n  len = scanned.length;\n  ch = String.fromCharCode(marker);\n\n  if (len < 2) { return false; }\n\n  if (len % 2) {\n    token         = state.push('text', '', 0);\n    token.content = ch;\n    len--;\n  }\n\n  for (i = 0; i < len; i += 2) {\n    token         = state.push('text', '', 0);\n    token.content = ch + ch;\n\n    state.delimiters.push({\n      marker: marker,\n      length: 0,     // disable \"rule of 3\" length checks meant for emphasis\n      token:  state.tokens.length - 1,\n      end:    -1,\n      open:   scanned.can_open,\n      close:  scanned.can_close\n    });\n  }\n\n  state.pos += scanned.length;\n\n  return true;\n};\n\n\nfunction postProcess(state, delimiters) {\n  var i, j,\n      startDelim,\n      endDelim,\n      token,\n      loneMarkers = [],\n      max = delimiters.length;\n\n  for (i = 0; i < max; i++) {\n    startDelim = delimiters[i];\n\n    if (startDelim.marker !== 0x7E/* ~ */) {\n      continue;\n    }\n\n    if (startDelim.end === -1) {\n      continue;\n    }\n\n    endDelim = delimiters[startDelim.end];\n\n    token         = state.tokens[startDelim.token];\n    token.type    = 's_open';\n    token.tag     = 's';\n    token.nesting = 1;\n    token.markup  = '~~';\n    token.content = '';\n\n    token         = state.tokens[endDelim.token];\n    token.type    = 's_close';\n    token.tag     = 's';\n    token.nesting = -1;\n    token.markup  = '~~';\n    token.content = '';\n\n    if (state.tokens[endDelim.token - 1].type === 'text' &&\n        state.tokens[endDelim.token - 1].content === '~') {\n\n      loneMarkers.push(endDelim.token - 1);\n    }\n  }\n\n  // If a marker sequence has an odd number of characters, it's splitted\n  // like this: `~~~~~` -> `~` + `~~` + `~~`, leaving one marker at the\n  // start of the sequence.\n  //\n  // So, we have to move all those markers after subsequent s_close tags.\n  //\n  while (loneMarkers.length) {\n    i = loneMarkers.pop();\n    j = i + 1;\n\n    while (j < state.tokens.length && state.tokens[j].type === 's_close') {\n      j++;\n    }\n\n    j--;\n\n    if (i !== j) {\n      token = state.tokens[j];\n      state.tokens[j] = state.tokens[i];\n      state.tokens[i] = token;\n    }\n  }\n}\n\n\n// Walk through delimiter list and replace text tokens with tags\n//\nmodule.exports.postProcess = function strikethrough(state) {\n  var curr,\n      tokens_meta = state.tokens_meta,\n      max = state.tokens_meta.length;\n\n  postProcess(state, state.delimiters);\n\n  for (curr = 0; curr < max; curr++) {\n    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {\n      postProcess(state, tokens_meta[curr].delimiters);\n    }\n  }\n};\n","// Skip text characters for text token, place those to pending buffer\n// and increment current pos\n\n'use strict';\n\n\n// Rule to skip pure text\n// '{}$%@~+=:' reserved for extentions\n\n// !, \", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \\, ], ^, _, `, {, |, }, or ~\n\n// !!!! Don't confuse with \"Markdown ASCII Punctuation\" chars\n// http://spec.commonmark.org/0.15/#ascii-punctuation-character\nfunction isTerminatorChar(ch) {\n  switch (ch) {\n    case 0x0A/* \\n */:\n    case 0x21/* ! */:\n    case 0x23/* # */:\n    case 0x24/* $ */:\n    case 0x25/* % */:\n    case 0x26/* & */:\n    case 0x2A/* * */:\n    case 0x2B/* + */:\n    case 0x2D/* - */:\n    case 0x3A/* : */:\n    case 0x3C/* < */:\n    case 0x3D/* = */:\n    case 0x3E/* > */:\n    case 0x40/* @ */:\n    case 0x5B/* [ */:\n    case 0x5C/* \\ */:\n    case 0x5D/* ] */:\n    case 0x5E/* ^ */:\n    case 0x5F/* _ */:\n    case 0x60/* ` */:\n    case 0x7B/* { */:\n    case 0x7D/* } */:\n    case 0x7E/* ~ */:\n      return true;\n    default:\n      return false;\n  }\n}\n\nmodule.exports = function text(state, silent) {\n  var pos = state.pos;\n\n  while (pos < state.posMax && !isTerminatorChar(state.src.charCodeAt(pos))) {\n    pos++;\n  }\n\n  if (pos === state.pos) { return false; }\n\n  if (!silent) { state.pending += state.src.slice(state.pos, pos); }\n\n  state.pos = pos;\n\n  return true;\n};\n\n// Alternative implementation, for memory.\n//\n// It costs 10% of performance, but allows extend terminators list, if place it\n// to `ParcerInline` property. Probably, will switch to it sometime, such\n// flexibility required.\n\n/*\nvar TERMINATOR_RE = /[\\n!#$%&*+\\-:<=>@[\\\\\\]^_`{}~]/;\n\nmodule.exports = function text(state, silent) {\n  var pos = state.pos,\n      idx = state.src.slice(pos).search(TERMINATOR_RE);\n\n  // first char is terminator -> empty text\n  if (idx === 0) { return false; }\n\n  // no terminator -> text till end of string\n  if (idx < 0) {\n    if (!silent) { state.pending += state.src.slice(pos); }\n    state.pos = state.src.length;\n    return true;\n  }\n\n  if (!silent) { state.pending += state.src.slice(pos, pos + idx); }\n\n  state.pos += idx;\n\n  return true;\n};*/\n","// Clean up tokens after emphasis and strikethrough postprocessing:\n// merge adjacent text nodes into one and re-calculate all token levels\n//\n// This is necessary because initially emphasis delimiter markers (*, _, ~)\n// are treated as their own separate text tokens. Then emphasis rule either\n// leaves them as text (needed to merge with adjacent text) or turns them\n// into opening/closing tags (which messes up levels inside).\n//\n'use strict';\n\n\nmodule.exports = function text_collapse(state) {\n  var curr, last,\n      level = 0,\n      tokens = state.tokens,\n      max = state.tokens.length;\n\n  for (curr = last = 0; curr < max; curr++) {\n    // re-calculate levels after emphasis/strikethrough turns some text nodes\n    // into opening/closing tags\n    if (tokens[curr].nesting < 0) level--; // closing tag\n    tokens[curr].level = level;\n    if (tokens[curr].nesting > 0) level++; // opening tag\n\n    if (tokens[curr].type === 'text' &&\n        curr + 1 < max &&\n        tokens[curr + 1].type === 'text') {\n\n      // collapse two adjacent text nodes\n      tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;\n    } else {\n      if (curr !== last) { tokens[last] = tokens[curr]; }\n\n      last++;\n    }\n  }\n\n  if (curr !== last) {\n    tokens.length = last;\n  }\n};\n","// Token class\n\n'use strict';\n\n\n/**\n * class Token\n **/\n\n/**\n * new Token(type, tag, nesting)\n *\n * Create new token and fill passed properties.\n **/\nfunction Token(type, tag, nesting) {\n  /**\n   * Token#type -> String\n   *\n   * Type of the token (string, e.g. \"paragraph_open\")\n   **/\n  this.type     = type;\n\n  /**\n   * Token#tag -> String\n   *\n   * html tag name, e.g. \"p\"\n   **/\n  this.tag      = tag;\n\n  /**\n   * Token#attrs -> Array\n   *\n   * Html attributes. Format: `[ [ name1, value1 ], [ name2, value2 ] ]`\n   **/\n  this.attrs    = null;\n\n  /**\n   * Token#map -> Array\n   *\n   * Source map info. Format: `[ line_begin, line_end ]`\n   **/\n  this.map      = null;\n\n  /**\n   * Token#nesting -> Number\n   *\n   * Level change (number in {-1, 0, 1} set), where:\n   *\n   * -  `1` means the tag is opening\n   * -  `0` means the tag is self-closing\n   * - `-1` means the tag is closing\n   **/\n  this.nesting  = nesting;\n\n  /**\n   * Token#level -> Number\n   *\n   * nesting level, the same as `state.level`\n   **/\n  this.level    = 0;\n\n  /**\n   * Token#children -> Array\n   *\n   * An array of child nodes (inline and img tokens)\n   **/\n  this.children = null;\n\n  /**\n   * Token#content -> String\n   *\n   * In a case of self-closing tag (code, html, fence, etc.),\n   * it has contents of this tag.\n   **/\n  this.content  = '';\n\n  /**\n   * Token#markup -> String\n   *\n   * '*' or '_' for emphasis, fence string for fence, etc.\n   **/\n  this.markup   = '';\n\n  /**\n   * Token#info -> String\n   *\n   * Additional information:\n   *\n   * - Info string for \"fence\" tokens\n   * - The value \"auto\" for autolink \"link_open\" and \"link_close\" tokens\n   * - The string value of the item marker for ordered-list \"list_item_open\" tokens\n   **/\n  this.info     = '';\n\n  /**\n   * Token#meta -> Object\n   *\n   * A place for plugins to store an arbitrary data\n   **/\n  this.meta     = null;\n\n  /**\n   * Token#block -> Boolean\n   *\n   * True for block-level tokens, false for inline tokens.\n   * Used in renderer to calculate line breaks\n   **/\n  this.block    = false;\n\n  /**\n   * Token#hidden -> Boolean\n   *\n   * If it's true, ignore this element when rendering. Used for tight lists\n   * to hide paragraphs.\n   **/\n  this.hidden   = false;\n}\n\n\n/**\n * Token.attrIndex(name) -> Number\n *\n * Search attribute index by name.\n **/\nToken.prototype.attrIndex = function attrIndex(name) {\n  var attrs, i, len;\n\n  if (!this.attrs) { return -1; }\n\n  attrs = this.attrs;\n\n  for (i = 0, len = attrs.length; i < len; i++) {\n    if (attrs[i][0] === name) { return i; }\n  }\n  return -1;\n};\n\n\n/**\n * Token.attrPush(attrData)\n *\n * Add `[ name, value ]` attribute to list. Init attrs if necessary\n **/\nToken.prototype.attrPush = function attrPush(attrData) {\n  if (this.attrs) {\n    this.attrs.push(attrData);\n  } else {\n    this.attrs = [ attrData ];\n  }\n};\n\n\n/**\n * Token.attrSet(name, value)\n *\n * Set `name` attribute to `value`. Override old value if exists.\n **/\nToken.prototype.attrSet = function attrSet(name, value) {\n  var idx = this.attrIndex(name),\n      attrData = [ name, value ];\n\n  if (idx < 0) {\n    this.attrPush(attrData);\n  } else {\n    this.attrs[idx] = attrData;\n  }\n};\n\n\n/**\n * Token.attrGet(name)\n *\n * Get the value of attribute `name`, or null if it does not exist.\n **/\nToken.prototype.attrGet = function attrGet(name) {\n  var idx = this.attrIndex(name), value = null;\n  if (idx >= 0) {\n    value = this.attrs[idx][1];\n  }\n  return value;\n};\n\n\n/**\n * Token.attrJoin(name, value)\n *\n * Join value to existing attribute via space. Or create new attribute if not\n * exists. Useful to operate with token classes.\n **/\nToken.prototype.attrJoin = function attrJoin(name, value) {\n  var idx = this.attrIndex(name);\n\n  if (idx < 0) {\n    this.attrPush([ name, value ]);\n  } else {\n    this.attrs[idx][1] = this.attrs[idx][1] + ' ' + value;\n  }\n};\n\n\nmodule.exports = Token;\n","\n'use strict';\n\n\n/* eslint-disable no-bitwise */\n\nvar decodeCache = {};\n\nfunction getDecodeCache(exclude) {\n  var i, ch, cache = decodeCache[exclude];\n  if (cache) { return cache; }\n\n  cache = decodeCache[exclude] = [];\n\n  for (i = 0; i < 128; i++) {\n    ch = String.fromCharCode(i);\n    cache.push(ch);\n  }\n\n  for (i = 0; i < exclude.length; i++) {\n    ch = exclude.charCodeAt(i);\n    cache[ch] = '%' + ('0' + ch.toString(16).toUpperCase()).slice(-2);\n  }\n\n  return cache;\n}\n\n\n// Decode percent-encoded string.\n//\nfunction decode(string, exclude) {\n  var cache;\n\n  if (typeof exclude !== 'string') {\n    exclude = decode.defaultChars;\n  }\n\n  cache = getDecodeCache(exclude);\n\n  return string.replace(/(%[a-f0-9]{2})+/gi, function(seq) {\n    var i, l, b1, b2, b3, b4, chr,\n        result = '';\n\n    for (i = 0, l = seq.length; i < l; i += 3) {\n      b1 = parseInt(seq.slice(i + 1, i + 3), 16);\n\n      if (b1 < 0x80) {\n        result += cache[b1];\n        continue;\n      }\n\n      if ((b1 & 0xE0) === 0xC0 && (i + 3 < l)) {\n        // 110xxxxx 10xxxxxx\n        b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n\n        if ((b2 & 0xC0) === 0x80) {\n          chr = ((b1 << 6) & 0x7C0) | (b2 & 0x3F);\n\n          if (chr < 0x80) {\n            result += '\\ufffd\\ufffd';\n          } else {\n            result += String.fromCharCode(chr);\n          }\n\n          i += 3;\n          continue;\n        }\n      }\n\n      if ((b1 & 0xF0) === 0xE0 && (i + 6 < l)) {\n        // 1110xxxx 10xxxxxx 10xxxxxx\n        b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n        b3 = parseInt(seq.slice(i + 7, i + 9), 16);\n\n        if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80) {\n          chr = ((b1 << 12) & 0xF000) | ((b2 << 6) & 0xFC0) | (b3 & 0x3F);\n\n          if (chr < 0x800 || (chr >= 0xD800 && chr <= 0xDFFF)) {\n            result += '\\ufffd\\ufffd\\ufffd';\n          } else {\n            result += String.fromCharCode(chr);\n          }\n\n          i += 6;\n          continue;\n        }\n      }\n\n      if ((b1 & 0xF8) === 0xF0 && (i + 9 < l)) {\n        // 111110xx 10xxxxxx 10xxxxxx 10xxxxxx\n        b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n        b3 = parseInt(seq.slice(i + 7, i + 9), 16);\n        b4 = parseInt(seq.slice(i + 10, i + 12), 16);\n\n        if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80 && (b4 & 0xC0) === 0x80) {\n          chr = ((b1 << 18) & 0x1C0000) | ((b2 << 12) & 0x3F000) | ((b3 << 6) & 0xFC0) | (b4 & 0x3F);\n\n          if (chr < 0x10000 || chr > 0x10FFFF) {\n            result += '\\ufffd\\ufffd\\ufffd\\ufffd';\n          } else {\n            chr -= 0x10000;\n            result += String.fromCharCode(0xD800 + (chr >> 10), 0xDC00 + (chr & 0x3FF));\n          }\n\n          i += 9;\n          continue;\n        }\n      }\n\n      result += '\\ufffd';\n    }\n\n    return result;\n  });\n}\n\n\ndecode.defaultChars   = ';/?:@&=+$,#';\ndecode.componentChars = '';\n\n\nmodule.exports = decode;\n","\n'use strict';\n\n\nvar encodeCache = {};\n\n\n// Create a lookup array where anything but characters in `chars` string\n// and alphanumeric chars is percent-encoded.\n//\nfunction getEncodeCache(exclude) {\n  var i, ch, cache = encodeCache[exclude];\n  if (cache) { return cache; }\n\n  cache = encodeCache[exclude] = [];\n\n  for (i = 0; i < 128; i++) {\n    ch = String.fromCharCode(i);\n\n    if (/^[0-9a-z]$/i.test(ch)) {\n      // always allow unencoded alphanumeric characters\n      cache.push(ch);\n    } else {\n      cache.push('%' + ('0' + i.toString(16).toUpperCase()).slice(-2));\n    }\n  }\n\n  for (i = 0; i < exclude.length; i++) {\n    cache[exclude.charCodeAt(i)] = exclude[i];\n  }\n\n  return cache;\n}\n\n\n// Encode unsafe characters with percent-encoding, skipping already\n// encoded sequences.\n//\n//  - string       - string to encode\n//  - exclude      - list of characters to ignore (in addition to a-zA-Z0-9)\n//  - keepEscaped  - don't encode '%' in a correct escape sequence (default: true)\n//\nfunction encode(string, exclude, keepEscaped) {\n  var i, l, code, nextCode, cache,\n      result = '';\n\n  if (typeof exclude !== 'string') {\n    // encode(string, keepEscaped)\n    keepEscaped  = exclude;\n    exclude = encode.defaultChars;\n  }\n\n  if (typeof keepEscaped === 'undefined') {\n    keepEscaped = true;\n  }\n\n  cache = getEncodeCache(exclude);\n\n  for (i = 0, l = string.length; i < l; i++) {\n    code = string.charCodeAt(i);\n\n    if (keepEscaped && code === 0x25 /* % */ && i + 2 < l) {\n      if (/^[0-9a-f]{2}$/i.test(string.slice(i + 1, i + 3))) {\n        result += string.slice(i, i + 3);\n        i += 2;\n        continue;\n      }\n    }\n\n    if (code < 128) {\n      result += cache[code];\n      continue;\n    }\n\n    if (code >= 0xD800 && code <= 0xDFFF) {\n      if (code >= 0xD800 && code <= 0xDBFF && i + 1 < l) {\n        nextCode = string.charCodeAt(i + 1);\n        if (nextCode >= 0xDC00 && nextCode <= 0xDFFF) {\n          result += encodeURIComponent(string[i] + string[i + 1]);\n          i++;\n          continue;\n        }\n      }\n      result += '%EF%BF%BD';\n      continue;\n    }\n\n    result += encodeURIComponent(string[i]);\n  }\n\n  return result;\n}\n\nencode.defaultChars   = \";/?:@&=+$,-_.!~*'()#\";\nencode.componentChars = \"-_.!~*'()\";\n\n\nmodule.exports = encode;\n","\n'use strict';\n\n\nmodule.exports = function format(url) {\n  var result = '';\n\n  result += url.protocol || '';\n  result += url.slashes ? '//' : '';\n  result += url.auth ? url.auth + '@' : '';\n\n  if (url.hostname && url.hostname.indexOf(':') !== -1) {\n    // ipv6 address\n    result += '[' + url.hostname + ']';\n  } else {\n    result += url.hostname || '';\n  }\n\n  result += url.port ? ':' + url.port : '';\n  result += url.pathname || '';\n  result += url.search || '';\n  result += url.hash || '';\n\n  return result;\n};\n","'use strict';\n\n\nmodule.exports.encode = require('./encode');\nmodule.exports.decode = require('./decode');\nmodule.exports.format = require('./format');\nmodule.exports.parse  = require('./parse');\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n'use strict';\n\n//\n// Changes from joyent/node:\n//\n// 1. No leading slash in paths,\n//    e.g. in `url.parse('http://foo?bar')` pathname is ``, not `/`\n//\n// 2. Backslashes are not replaced with slashes,\n//    so `http:\\\\example.org\\` is treated like a relative path\n//\n// 3. Trailing colon is treated like a part of the path,\n//    i.e. in `http://example.org:foo` pathname is `:foo`\n//\n// 4. Nothing is URL-encoded in the resulting object,\n//    (in joyent/node some chars in auth and paths are encoded)\n//\n// 5. `url.parse()` does not have `parseQueryString` argument\n//\n// 6. Removed extraneous result properties: `host`, `path`, `query`, etc.,\n//    which can be constructed using other parts of the url.\n//\n\n\nfunction Url() {\n  this.protocol = null;\n  this.slashes = null;\n  this.auth = null;\n  this.port = null;\n  this.hostname = null;\n  this.hash = null;\n  this.search = null;\n  this.pathname = null;\n}\n\n// Reference: RFC 3986, RFC 1808, RFC 2396\n\n// define these here so at least they only have to be\n// compiled once on the first module load.\nvar protocolPattern = /^([a-z0-9.+-]+:)/i,\n    portPattern = /:[0-9]*$/,\n\n    // Special case for a simple path URL\n    simplePathPattern = /^(\\/\\/?(?!\\/)[^\\?\\s]*)(\\?[^\\s]*)?$/,\n\n    // RFC 2396: characters reserved for delimiting URLs.\n    // We actually just auto-escape these.\n    delims = [ '<', '>', '\"', '`', ' ', '\\r', '\\n', '\\t' ],\n\n    // RFC 2396: characters not allowed for various reasons.\n    unwise = [ '{', '}', '|', '\\\\', '^', '`' ].concat(delims),\n\n    // Allowed by RFCs, but cause of XSS attacks.  Always escape these.\n    autoEscape = [ '\\'' ].concat(unwise),\n    // Characters that are never ever allowed in a hostname.\n    // Note that any invalid chars are also handled, but these\n    // are the ones that are *expected* to be seen, so we fast-path\n    // them.\n    nonHostChars = [ '%', '/', '?', ';', '#' ].concat(autoEscape),\n    hostEndingChars = [ '/', '?', '#' ],\n    hostnameMaxLen = 255,\n    hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/,\n    hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,\n    // protocols that can allow \"unsafe\" and \"unwise\" chars.\n    /* eslint-disable no-script-url */\n    // protocols that never have a hostname.\n    hostlessProtocol = {\n      'javascript': true,\n      'javascript:': true\n    },\n    // protocols that always contain a // bit.\n    slashedProtocol = {\n      'http': true,\n      'https': true,\n      'ftp': true,\n      'gopher': true,\n      'file': true,\n      'http:': true,\n      'https:': true,\n      'ftp:': true,\n      'gopher:': true,\n      'file:': true\n    };\n    /* eslint-enable no-script-url */\n\nfunction urlParse(url, slashesDenoteHost) {\n  if (url && url instanceof Url) { return url; }\n\n  var u = new Url();\n  u.parse(url, slashesDenoteHost);\n  return u;\n}\n\nUrl.prototype.parse = function(url, slashesDenoteHost) {\n  var i, l, lowerProto, hec, slashes,\n      rest = url;\n\n  // trim before proceeding.\n  // This is to support parse stuff like \"  http://foo.com  \\n\"\n  rest = rest.trim();\n\n  if (!slashesDenoteHost && url.split('#').length === 1) {\n    // Try fast path regexp\n    var simplePath = simplePathPattern.exec(rest);\n    if (simplePath) {\n      this.pathname = simplePath[1];\n      if (simplePath[2]) {\n        this.search = simplePath[2];\n      }\n      return this;\n    }\n  }\n\n  var proto = protocolPattern.exec(rest);\n  if (proto) {\n    proto = proto[0];\n    lowerProto = proto.toLowerCase();\n    this.protocol = proto;\n    rest = rest.substr(proto.length);\n  }\n\n  // figure out if it's got a host\n  // user@server is *always* interpreted as a hostname, and url\n  // resolution will treat //foo/bar as host=foo,path=bar because that's\n  // how the browser resolves relative URLs.\n  if (slashesDenoteHost || proto || rest.match(/^\\/\\/[^@\\/]+@[^@\\/]+/)) {\n    slashes = rest.substr(0, 2) === '//';\n    if (slashes && !(proto && hostlessProtocol[proto])) {\n      rest = rest.substr(2);\n      this.slashes = true;\n    }\n  }\n\n  if (!hostlessProtocol[proto] &&\n      (slashes || (proto && !slashedProtocol[proto]))) {\n\n    // there's a hostname.\n    // the first instance of /, ?, ;, or # ends the host.\n    //\n    // If there is an @ in the hostname, then non-host chars *are* allowed\n    // to the left of the last @ sign, unless some host-ending character\n    // comes *before* the @-sign.\n    // URLs are obnoxious.\n    //\n    // ex:\n    // http://a@b@c/ => user:a@b host:c\n    // http://a@b?@c => user:a host:c path:/?@c\n\n    // v0.12 TODO(isaacs): This is not quite how Chrome does things.\n    // Review our test case against browsers more comprehensively.\n\n    // find the first instance of any hostEndingChars\n    var hostEnd = -1;\n    for (i = 0; i < hostEndingChars.length; i++) {\n      hec = rest.indexOf(hostEndingChars[i]);\n      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {\n        hostEnd = hec;\n      }\n    }\n\n    // at this point, either we have an explicit point where the\n    // auth portion cannot go past, or the last @ char is the decider.\n    var auth, atSign;\n    if (hostEnd === -1) {\n      // atSign can be anywhere.\n      atSign = rest.lastIndexOf('@');\n    } else {\n      // atSign must be in auth portion.\n      // http://a@b/c@d => host:b auth:a path:/c@d\n      atSign = rest.lastIndexOf('@', hostEnd);\n    }\n\n    // Now we have a portion which is definitely the auth.\n    // Pull that off.\n    if (atSign !== -1) {\n      auth = rest.slice(0, atSign);\n      rest = rest.slice(atSign + 1);\n      this.auth = auth;\n    }\n\n    // the host is the remaining to the left of the first non-host char\n    hostEnd = -1;\n    for (i = 0; i < nonHostChars.length; i++) {\n      hec = rest.indexOf(nonHostChars[i]);\n      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {\n        hostEnd = hec;\n      }\n    }\n    // if we still have not hit it, then the entire thing is a host.\n    if (hostEnd === -1) {\n      hostEnd = rest.length;\n    }\n\n    if (rest[hostEnd - 1] === ':') { hostEnd--; }\n    var host = rest.slice(0, hostEnd);\n    rest = rest.slice(hostEnd);\n\n    // pull out port.\n    this.parseHost(host);\n\n    // we've indicated that there is a hostname,\n    // so even if it's empty, it has to be present.\n    this.hostname = this.hostname || '';\n\n    // if hostname begins with [ and ends with ]\n    // assume that it's an IPv6 address.\n    var ipv6Hostname = this.hostname[0] === '[' &&\n        this.hostname[this.hostname.length - 1] === ']';\n\n    // validate a little.\n    if (!ipv6Hostname) {\n      var hostparts = this.hostname.split(/\\./);\n      for (i = 0, l = hostparts.length; i < l; i++) {\n        var part = hostparts[i];\n        if (!part) { continue; }\n        if (!part.match(hostnamePartPattern)) {\n          var newpart = '';\n          for (var j = 0, k = part.length; j < k; j++) {\n            if (part.charCodeAt(j) > 127) {\n              // we replace non-ASCII char with a temporary placeholder\n              // we need this to make sure size of hostname is not\n              // broken by replacing non-ASCII by nothing\n              newpart += 'x';\n            } else {\n              newpart += part[j];\n            }\n          }\n          // we test again with ASCII char only\n          if (!newpart.match(hostnamePartPattern)) {\n            var validParts = hostparts.slice(0, i);\n            var notHost = hostparts.slice(i + 1);\n            var bit = part.match(hostnamePartStart);\n            if (bit) {\n              validParts.push(bit[1]);\n              notHost.unshift(bit[2]);\n            }\n            if (notHost.length) {\n              rest = notHost.join('.') + rest;\n            }\n            this.hostname = validParts.join('.');\n            break;\n          }\n        }\n      }\n    }\n\n    if (this.hostname.length > hostnameMaxLen) {\n      this.hostname = '';\n    }\n\n    // strip [ and ] from the hostname\n    // the host field still retains them, though\n    if (ipv6Hostname) {\n      this.hostname = this.hostname.substr(1, this.hostname.length - 2);\n    }\n  }\n\n  // chop off from the tail first.\n  var hash = rest.indexOf('#');\n  if (hash !== -1) {\n    // got a fragment string.\n    this.hash = rest.substr(hash);\n    rest = rest.slice(0, hash);\n  }\n  var qm = rest.indexOf('?');\n  if (qm !== -1) {\n    this.search = rest.substr(qm);\n    rest = rest.slice(0, qm);\n  }\n  if (rest) { this.pathname = rest; }\n  if (slashedProtocol[lowerProto] &&\n      this.hostname && !this.pathname) {\n    this.pathname = '';\n  }\n\n  return this;\n};\n\nUrl.prototype.parseHost = function(host) {\n  var port = portPattern.exec(host);\n  if (port) {\n    port = port[0];\n    if (port !== ':') {\n      this.port = port.substr(1);\n    }\n    host = host.substr(0, host.length - port.length);\n  }\n  if (host) { this.hostname = host; }\n};\n\nmodule.exports = urlParse;\n","'use strict';\n\n/** Highest positive signed 32-bit float value */\nconst maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1\n\n/** Bootstring parameters */\nconst base = 36;\nconst tMin = 1;\nconst tMax = 26;\nconst skew = 38;\nconst damp = 700;\nconst initialBias = 72;\nconst initialN = 128; // 0x80\nconst delimiter = '-'; // '\\x2D'\n\n/** Regular expressions */\nconst regexPunycode = /^xn--/;\nconst regexNonASCII = /[^\\0-\\x7E]/; // non-ASCII chars\nconst regexSeparators = /[\\x2E\\u3002\\uFF0E\\uFF61]/g; // RFC 3490 separators\n\n/** Error messages */\nconst errors = {\n\t'overflow': 'Overflow: input needs wider integers to process',\n\t'not-basic': 'Illegal input >= 0x80 (not a basic code point)',\n\t'invalid-input': 'Invalid input'\n};\n\n/** Convenience shortcuts */\nconst baseMinusTMin = base - tMin;\nconst floor = Math.floor;\nconst stringFromCharCode = String.fromCharCode;\n\n/*--------------------------------------------------------------------------*/\n\n/**\n * A generic error utility function.\n * @private\n * @param {String} type The error type.\n * @returns {Error} Throws a `RangeError` with the applicable error message.\n */\nfunction error(type) {\n\tthrow new RangeError(errors[type]);\n}\n\n/**\n * A generic `Array#map` utility function.\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} callback The function that gets called for every array\n * item.\n * @returns {Array} A new array of values returned by the callback function.\n */\nfunction map(array, fn) {\n\tconst result = [];\n\tlet length = array.length;\n\twhile (length--) {\n\t\tresult[length] = fn(array[length]);\n\t}\n\treturn result;\n}\n\n/**\n * A simple `Array#map`-like wrapper to work with domain name strings or email\n * addresses.\n * @private\n * @param {String} domain The domain name or email address.\n * @param {Function} callback The function that gets called for every\n * character.\n * @returns {Array} A new string of characters returned by the callback\n * function.\n */\nfunction mapDomain(string, fn) {\n\tconst parts = string.split('@');\n\tlet result = '';\n\tif (parts.length > 1) {\n\t\t// In email addresses, only the domain name should be punycoded. Leave\n\t\t// the local part (i.e. everything up to `@`) intact.\n\t\tresult = parts[0] + '@';\n\t\tstring = parts[1];\n\t}\n\t// Avoid `split(regex)` for IE8 compatibility. See #17.\n\tstring = string.replace(regexSeparators, '\\x2E');\n\tconst labels = string.split('.');\n\tconst encoded = map(labels, fn).join('.');\n\treturn result + encoded;\n}\n\n/**\n * Creates an array containing the numeric code points of each Unicode\n * character in the string. While JavaScript uses UCS-2 internally,\n * this function will convert a pair of surrogate halves (each of which\n * UCS-2 exposes as separate characters) into a single code point,\n * matching UTF-16.\n * @see `punycode.ucs2.encode`\n * @see <https://mathiasbynens.be/notes/javascript-encoding>\n * @memberOf punycode.ucs2\n * @name decode\n * @param {String} string The Unicode input string (UCS-2).\n * @returns {Array} The new array of code points.\n */\nfunction ucs2decode(string) {\n\tconst output = [];\n\tlet counter = 0;\n\tconst length = string.length;\n\twhile (counter < length) {\n\t\tconst value = string.charCodeAt(counter++);\n\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t// It's a high surrogate, and there is a next character.\n\t\t\tconst extra = string.charCodeAt(counter++);\n\t\t\tif ((extra & 0xFC00) == 0xDC00) { // Low surrogate.\n\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t} else {\n\t\t\t\t// It's an unmatched surrogate; only append this code unit, in case the\n\t\t\t\t// next code unit is the high surrogate of a surrogate pair.\n\t\t\t\toutput.push(value);\n\t\t\t\tcounter--;\n\t\t\t}\n\t\t} else {\n\t\t\toutput.push(value);\n\t\t}\n\t}\n\treturn output;\n}\n\n/**\n * Creates a string based on an array of numeric code points.\n * @see `punycode.ucs2.decode`\n * @memberOf punycode.ucs2\n * @name encode\n * @param {Array} codePoints The array of numeric code points.\n * @returns {String} The new Unicode string (UCS-2).\n */\nconst ucs2encode = array => String.fromCodePoint(...array);\n\n/**\n * Converts a basic code point into a digit/integer.\n * @see `digitToBasic()`\n * @private\n * @param {Number} codePoint The basic numeric code point value.\n * @returns {Number} The numeric value of a basic code point (for use in\n * representing integers) in the range `0` to `base - 1`, or `base` if\n * the code point does not represent a value.\n */\nconst basicToDigit = function(codePoint) {\n\tif (codePoint - 0x30 < 0x0A) {\n\t\treturn codePoint - 0x16;\n\t}\n\tif (codePoint - 0x41 < 0x1A) {\n\t\treturn codePoint - 0x41;\n\t}\n\tif (codePoint - 0x61 < 0x1A) {\n\t\treturn codePoint - 0x61;\n\t}\n\treturn base;\n};\n\n/**\n * Converts a digit/integer into a basic code point.\n * @see `basicToDigit()`\n * @private\n * @param {Number} digit The numeric value of a basic code point.\n * @returns {Number} The basic code point whose value (when used for\n * representing integers) is `digit`, which needs to be in the range\n * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is\n * used; else, the lowercase form is used. The behavior is undefined\n * if `flag` is non-zero and `digit` has no uppercase form.\n */\nconst digitToBasic = function(digit, flag) {\n\t//  0..25 map to ASCII a..z or A..Z\n\t// 26..35 map to ASCII 0..9\n\treturn digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);\n};\n\n/**\n * Bias adaptation function as per section 3.4 of RFC 3492.\n * https://tools.ietf.org/html/rfc3492#section-3.4\n * @private\n */\nconst adapt = function(delta, numPoints, firstTime) {\n\tlet k = 0;\n\tdelta = firstTime ? floor(delta / damp) : delta >> 1;\n\tdelta += floor(delta / numPoints);\n\tfor (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {\n\t\tdelta = floor(delta / baseMinusTMin);\n\t}\n\treturn floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n};\n\n/**\n * Converts a Punycode string of ASCII-only symbols to a string of Unicode\n * symbols.\n * @memberOf punycode\n * @param {String} input The Punycode string of ASCII-only symbols.\n * @returns {String} The resulting string of Unicode symbols.\n */\nconst decode = function(input) {\n\t// Don't use UCS-2.\n\tconst output = [];\n\tconst inputLength = input.length;\n\tlet i = 0;\n\tlet n = initialN;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points: let `basic` be the number of input code\n\t// points before the last delimiter, or `0` if there is none, then copy\n\t// the first basic code points to the output.\n\n\tlet basic = input.lastIndexOf(delimiter);\n\tif (basic < 0) {\n\t\tbasic = 0;\n\t}\n\n\tfor (let j = 0; j < basic; ++j) {\n\t\t// if it's not a basic code point\n\t\tif (input.charCodeAt(j) >= 0x80) {\n\t\t\terror('not-basic');\n\t\t}\n\t\toutput.push(input.charCodeAt(j));\n\t}\n\n\t// Main decoding loop: start just after the last delimiter if any basic code\n\t// points were copied; start at the beginning otherwise.\n\n\tfor (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {\n\n\t\t// `index` is the index of the next character to be consumed.\n\t\t// Decode a generalized variable-length integer into `delta`,\n\t\t// which gets added to `i`. The overflow checking is easier\n\t\t// if we increase `i` as we go, then subtract off its starting\n\t\t// value at the end to obtain `delta`.\n\t\tlet oldi = i;\n\t\tfor (let w = 1, k = base; /* no condition */; k += base) {\n\n\t\t\tif (index >= inputLength) {\n\t\t\t\terror('invalid-input');\n\t\t\t}\n\n\t\t\tconst digit = basicToDigit(input.charCodeAt(index++));\n\n\t\t\tif (digit >= base || digit > floor((maxInt - i) / w)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\ti += digit * w;\n\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\n\t\t\tif (digit < t) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tconst baseMinusT = base - t;\n\t\t\tif (w > floor(maxInt / baseMinusT)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tw *= baseMinusT;\n\n\t\t}\n\n\t\tconst out = output.length + 1;\n\t\tbias = adapt(i - oldi, out, oldi == 0);\n\n\t\t// `i` was supposed to wrap around from `out` to `0`,\n\t\t// incrementing `n` each time, so we'll fix that now:\n\t\tif (floor(i / out) > maxInt - n) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tn += floor(i / out);\n\t\ti %= out;\n\n\t\t// Insert `n` at position `i` of the output.\n\t\toutput.splice(i++, 0, n);\n\n\t}\n\n\treturn String.fromCodePoint(...output);\n};\n\n/**\n * Converts a string of Unicode symbols (e.g. a domain name label) to a\n * Punycode string of ASCII-only symbols.\n * @memberOf punycode\n * @param {String} input The string of Unicode symbols.\n * @returns {String} The resulting Punycode string of ASCII-only symbols.\n */\nconst encode = function(input) {\n\tconst output = [];\n\n\t// Convert the input in UCS-2 to an array of Unicode code points.\n\tinput = ucs2decode(input);\n\n\t// Cache the length.\n\tlet inputLength = input.length;\n\n\t// Initialize the state.\n\tlet n = initialN;\n\tlet delta = 0;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points.\n\tfor (const currentValue of input) {\n\t\tif (currentValue < 0x80) {\n\t\t\toutput.push(stringFromCharCode(currentValue));\n\t\t}\n\t}\n\n\tlet basicLength = output.length;\n\tlet handledCPCount = basicLength;\n\n\t// `handledCPCount` is the number of code points that have been handled;\n\t// `basicLength` is the number of basic code points.\n\n\t// Finish the basic string with a delimiter unless it's empty.\n\tif (basicLength) {\n\t\toutput.push(delimiter);\n\t}\n\n\t// Main encoding loop:\n\twhile (handledCPCount < inputLength) {\n\n\t\t// All non-basic code points < n have been handled already. Find the next\n\t\t// larger one:\n\t\tlet m = maxInt;\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue >= n && currentValue < m) {\n\t\t\t\tm = currentValue;\n\t\t\t}\n\t\t}\n\n\t\t// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,\n\t\t// but guard against overflow.\n\t\tconst handledCPCountPlusOne = handledCPCount + 1;\n\t\tif (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tdelta += (m - n) * handledCPCountPlusOne;\n\t\tn = m;\n\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue < n && ++delta > maxInt) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\t\t\tif (currentValue == n) {\n\t\t\t\t// Represent delta as a generalized variable-length integer.\n\t\t\t\tlet q = delta;\n\t\t\t\tfor (let k = base; /* no condition */; k += base) {\n\t\t\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\t\t\t\t\tif (q < t) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tconst qMinusT = q - t;\n\t\t\t\t\tconst baseMinusT = base - t;\n\t\t\t\t\toutput.push(\n\t\t\t\t\t\tstringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))\n\t\t\t\t\t);\n\t\t\t\t\tq = floor(qMinusT / baseMinusT);\n\t\t\t\t}\n\n\t\t\t\toutput.push(stringFromCharCode(digitToBasic(q, 0)));\n\t\t\t\tbias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n\t\t\t\tdelta = 0;\n\t\t\t\t++handledCPCount;\n\t\t\t}\n\t\t}\n\n\t\t++delta;\n\t\t++n;\n\n\t}\n\treturn output.join('');\n};\n\n/**\n * Converts a Punycode string representing a domain name or an email address\n * to Unicode. Only the Punycoded parts of the input will be converted, i.e.\n * it doesn't matter if you call it on a string that has already been\n * converted to Unicode.\n * @memberOf punycode\n * @param {String} input The Punycoded domain name or email address to\n * convert to Unicode.\n * @returns {String} The Unicode representation of the given Punycode\n * string.\n */\nconst toUnicode = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexPunycode.test(string)\n\t\t\t? decode(string.slice(4).toLowerCase())\n\t\t\t: string;\n\t});\n};\n\n/**\n * Converts a Unicode string representing a domain name or an email address to\n * Punycode. Only the non-ASCII parts of the domain name will be converted,\n * i.e. it doesn't matter if you call it with a domain that's already in\n * ASCII.\n * @memberOf punycode\n * @param {String} input The domain name or email address to convert, as a\n * Unicode string.\n * @returns {String} The Punycode representation of the given domain name or\n * email address.\n */\nconst toASCII = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexNonASCII.test(string)\n\t\t\t? 'xn--' + encode(string)\n\t\t\t: string;\n\t});\n};\n\n/*--------------------------------------------------------------------------*/\n\n/** Define the public API */\nconst punycode = {\n\t/**\n\t * A string representing the current Punycode.js version number.\n\t * @memberOf punycode\n\t * @type String\n\t */\n\t'version': '2.1.0',\n\t/**\n\t * An object of methods to convert from JavaScript's internal character\n\t * representation (UCS-2) to Unicode code points, and back.\n\t * @see <https://mathiasbynens.be/notes/javascript-encoding>\n\t * @memberOf punycode\n\t * @type Object\n\t */\n\t'ucs2': {\n\t\t'decode': ucs2decode,\n\t\t'encode': ucs2encode\n\t},\n\t'decode': decode,\n\t'encode': encode,\n\t'toASCII': toASCII,\n\t'toUnicode': toUnicode\n};\n\nexport { ucs2decode, ucs2encode, decode, encode, toASCII, toUnicode };\nexport default punycode;\n","\"use strict\";\n\nvar stylesInDOM = [];\n\nfunction getIndexByIdentifier(identifier) {\n  var result = -1;\n\n  for (var i = 0; i < stylesInDOM.length; i++) {\n    if (stylesInDOM[i].identifier === identifier) {\n      result = i;\n      break;\n    }\n  }\n\n  return result;\n}\n\nfunction modulesToDom(list, options) {\n  var idCountMap = {};\n  var identifiers = [];\n\n  for (var i = 0; i < list.length; i++) {\n    var item = list[i];\n    var id = options.base ? item[0] + options.base : item[0];\n    var count = idCountMap[id] || 0;\n    var identifier = \"\".concat(id, \" \").concat(count);\n    idCountMap[id] = count + 1;\n    var indexByIdentifier = getIndexByIdentifier(identifier);\n    var obj = {\n      css: item[1],\n      media: item[2],\n      sourceMap: item[3],\n      supports: item[4],\n      layer: item[5]\n    };\n\n    if (indexByIdentifier !== -1) {\n      stylesInDOM[indexByIdentifier].references++;\n      stylesInDOM[indexByIdentifier].updater(obj);\n    } else {\n      var updater = addElementStyle(obj, options);\n      options.byIndex = i;\n      stylesInDOM.splice(i, 0, {\n        identifier: identifier,\n        updater: updater,\n        references: 1\n      });\n    }\n\n    identifiers.push(identifier);\n  }\n\n  return identifiers;\n}\n\nfunction addElementStyle(obj, options) {\n  var api = options.domAPI(options);\n  api.update(obj);\n\n  var updater = function updater(newObj) {\n    if (newObj) {\n      if (newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap && newObj.supports === obj.supports && newObj.layer === obj.layer) {\n        return;\n      }\n\n      api.update(obj = newObj);\n    } else {\n      api.remove();\n    }\n  };\n\n  return updater;\n}\n\nmodule.exports = function (list, options) {\n  options = options || {};\n  list = list || [];\n  var lastIdentifiers = modulesToDom(list, options);\n  return function update(newList) {\n    newList = newList || [];\n\n    for (var i = 0; i < lastIdentifiers.length; i++) {\n      var identifier = lastIdentifiers[i];\n      var index = getIndexByIdentifier(identifier);\n      stylesInDOM[index].references--;\n    }\n\n    var newLastIdentifiers = modulesToDom(newList, options);\n\n    for (var _i = 0; _i < lastIdentifiers.length; _i++) {\n      var _identifier = lastIdentifiers[_i];\n\n      var _index = getIndexByIdentifier(_identifier);\n\n      if (stylesInDOM[_index].references === 0) {\n        stylesInDOM[_index].updater();\n\n        stylesInDOM.splice(_index, 1);\n      }\n    }\n\n    lastIdentifiers = newLastIdentifiers;\n  };\n};","\"use strict\";\n\nvar memo = {};\n/* istanbul ignore next  */\n\nfunction getTarget(target) {\n  if (typeof memo[target] === \"undefined\") {\n    var styleTarget = document.querySelector(target); // Special case to return head of iframe instead of iframe itself\n\n    if (window.HTMLIFrameElement && styleTarget instanceof window.HTMLIFrameElement) {\n      try {\n        // This will throw an exception if access to iframe is blocked\n        // due to cross-origin restrictions\n        styleTarget = styleTarget.contentDocument.head;\n      } catch (e) {\n        // istanbul ignore next\n        styleTarget = null;\n      }\n    }\n\n    memo[target] = styleTarget;\n  }\n\n  return memo[target];\n}\n/* istanbul ignore next  */\n\n\nfunction insertBySelector(insert, style) {\n  var target = getTarget(insert);\n\n  if (!target) {\n    throw new Error(\"Couldn't find a style target. This probably means that the value for the 'insert' parameter is invalid.\");\n  }\n\n  target.appendChild(style);\n}\n\nmodule.exports = insertBySelector;","\"use strict\";\n\n/* istanbul ignore next  */\nfunction insertStyleElement(options) {\n  var element = document.createElement(\"style\");\n  options.setAttributes(element, options.attributes);\n  options.insert(element, options.options);\n  return element;\n}\n\nmodule.exports = insertStyleElement;","\"use strict\";\n\n/* istanbul ignore next  */\nfunction setAttributesWithoutAttributes(styleElement, attributes) {\n  Object.keys(attributes).forEach(function (key) {\n    styleElement.setAttribute(key, attributes[key]);\n  });\n}\n\nmodule.exports = setAttributesWithoutAttributes;","\"use strict\";\n\n/* istanbul ignore next  */\nvar replaceText = function replaceText() {\n  var textStore = [];\n  return function replace(index, replacement) {\n    textStore[index] = replacement;\n    return textStore.filter(Boolean).join(\"\\n\");\n  };\n}();\n/* istanbul ignore next  */\n\n\nfunction apply(styleElement, index, remove, obj) {\n  var css;\n\n  if (remove) {\n    css = \"\";\n  } else {\n    css = \"\";\n\n    if (obj.supports) {\n      css += \"@supports (\".concat(obj.supports, \") {\");\n    }\n\n    if (obj.media) {\n      css += \"@media \".concat(obj.media, \" {\");\n    }\n\n    var needLayer = typeof obj.layer !== \"undefined\";\n\n    if (needLayer) {\n      css += \"@layer\".concat(obj.layer.length > 0 ? \" \".concat(obj.layer) : \"\", \" {\");\n    }\n\n    css += obj.css;\n\n    if (needLayer) {\n      css += \"}\";\n    }\n\n    if (obj.media) {\n      css += \"}\";\n    }\n\n    if (obj.supports) {\n      css += \"}\";\n    }\n  } // For old IE\n\n  /* istanbul ignore if  */\n\n\n  if (styleElement.styleSheet) {\n    styleElement.styleSheet.cssText = replaceText(index, css);\n  } else {\n    var cssNode = document.createTextNode(css);\n    var childNodes = styleElement.childNodes;\n\n    if (childNodes[index]) {\n      styleElement.removeChild(childNodes[index]);\n    }\n\n    if (childNodes.length) {\n      styleElement.insertBefore(cssNode, childNodes[index]);\n    } else {\n      styleElement.appendChild(cssNode);\n    }\n  }\n}\n\nvar singletonData = {\n  singleton: null,\n  singletonCounter: 0\n};\n/* istanbul ignore next  */\n\nfunction domAPI(options) {\n  // eslint-disable-next-line no-undef,no-use-before-define\n  var styleIndex = singletonData.singletonCounter++;\n  var styleElement = // eslint-disable-next-line no-undef,no-use-before-define\n  singletonData.singleton || ( // eslint-disable-next-line no-undef,no-use-before-define\n  singletonData.singleton = options.insertStyleElement(options));\n  return {\n    update: function update(obj) {\n      apply(styleElement, styleIndex, false, obj);\n    },\n    remove: function remove(obj) {\n      apply(styleElement, styleIndex, true, obj);\n    }\n  };\n}\n\nmodule.exports = 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function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","// getDefaultExport function for compatibility with non-harmony modules\n__webpack_require__.n = (module) => {\n\tvar getter = module && module.__esModule ?\n\t\t() => (module['default']) :\n\t\t() => (module);\n\t__webpack_require__.d(getter, { a: getter });\n\treturn getter;\n};","// define getter functions for harmony exports\n__webpack_require__.d = (exports, definition) => {\n\tfor(var key in definition) {\n\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n\t\t}\n\t}\n};","__webpack_require__.g = (function() {\n\tif (typeof globalThis === 'object') return globalThis;\n\ttry {\n\t\treturn this || new Function('return this')();\n\t} catch (e) {\n\t\tif (typeof window === 'object') return window;\n\t}\n})();","__webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))","// define __esModule on exports\n__webpack_require__.r = (exports) => {\n\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n\t}\n\tObject.defineProperty(exports, '__esModule', { value: true });\n};","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/spy\n */\n\n/**\n * Creates a spy function (ala Sinon.js) that can be used to inspect call to it.\n *\n * The following are the present features:\n *\n * * spy.called: property set to `true` if the function has been called at least once.\n *\n * @returns {Function} The spy function.\n */\nfunction spy() {\n\treturn function spy() {\n\t\tspy.called = true;\n\t};\n}\n\nexport default spy;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/eventinfo\n */\n\nimport spy from './spy';\n\n/**\n * The event object passed to event callbacks. It is used to provide information about the event as well as a tool to\n * manipulate it.\n */\nexport default class EventInfo {\n\t/**\n\t * @param {Object} source The emitter.\n\t * @param {String} name The event name.\n\t */\n\tconstructor( source, name ) {\n\t\t/**\n\t\t * The object that fired the event.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Object}\n\t\t */\n\t\tthis.source = source;\n\n\t\t/**\n\t\t * The event name.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * Path this event has followed. See {@link module:utils/emittermixin~EmitterMixin#delegate}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<Object>}\n\t\t */\n\t\tthis.path = [];\n\n\t\t// The following methods are defined in the constructor because they must be re-created per instance.\n\n\t\t/**\n\t\t * Stops the event emitter to call further callbacks for this event interaction.\n\t\t *\n\t\t * @method #stop\n\t\t */\n\t\tthis.stop = spy();\n\n\t\t/**\n\t\t * Removes the current callback from future interactions of this event.\n\t\t *\n\t\t * @method #off\n\t\t */\n\t\tthis.off = spy();\n\n\t\t/**\n\t\t * The value which will be returned by {@link module:utils/emittermixin~EmitterMixin#fire}.\n\t\t *\n\t\t * It's `undefined` by default and can be changed by an event listener:\n\t\t *\n\t\t *\t\tdataController.fire( 'getSelectedContent', ( evt ) => {\n\t\t *\t\t\t// This listener will make `dataController.fire( 'getSelectedContent' )`\n\t\t *\t\t\t// always return an empty DocumentFragment.\n\t\t *\t\t\tevt.return = new DocumentFragment();\n\t\t *\n\t\t *\t\t\t// Make sure no other listeners are executed.\n\t\t *\t\t\tevt.stop();\n\t\t *\t\t} );\n\t\t *\n\t\t * @member #return\n\t\t */\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/uid\n */\n\n// A hash table of hex numbers to avoid using toString() in uid() which is costly.\n// [ '00', '01', '02', ..., 'fe', 'ff' ]\nconst HEX_NUMBERS = new Array( 256 ).fill()\n\t.map( ( val, index ) => ( '0' + ( index ).toString( 16 ) ).slice( -2 ) );\n\n/**\n * Returns a unique id. The id starts with an \"e\" character and a randomly generated string of\n * 32 alphanumeric characters.\n *\n * **Note**: The characters the unique id is built from correspond to the hex number notation\n * (from \"0\" to \"9\", from \"a\" to \"f\"). In other words, each id corresponds to an \"e\" followed\n * by 16 8-bit numbers next to each other.\n *\n * @returns {String} An unique id string.\n */\nexport default function uid() {\n\t// Let's create some positive random 32bit integers first.\n\t//\n\t// 1. Math.random() is a float between 0 and 1.\n\t// 2. 0x100000000 is 2^32 = 4294967296.\n\t// 3. >>> 0 enforces integer (in JS all numbers are floating point).\n\t//\n\t// For instance:\n\t//\t\tMath.random() * 0x100000000 = 3366450031.853859\n\t// but\n\t//\t\tMath.random() * 0x100000000 >>> 0 = 3366450031.\n\tconst r1 = Math.random() * 0x100000000 >>> 0;\n\tconst r2 = Math.random() * 0x100000000 >>> 0;\n\tconst r3 = Math.random() * 0x100000000 >>> 0;\n\tconst r4 = Math.random() * 0x100000000 >>> 0;\n\n\t// Make sure that id does not start with number.\n\treturn 'e' +\n\t\tHEX_NUMBERS[ r1 >> 0 & 0xFF ] +\n\t\tHEX_NUMBERS[ r1 >> 8 & 0xFF ] +\n\t\tHEX_NUMBERS[ r1 >> 16 & 0xFF ] +\n\t\tHEX_NUMBERS[ r1 >> 24 & 0xFF ] +\n\t\tHEX_NUMBERS[ r2 >> 0 & 0xFF ] +\n\t\tHEX_NUMBERS[ r2 >> 8 & 0xFF ] +\n\t\tHEX_NUMBERS[ r2 >> 16 & 0xFF ] +\n\t\tHEX_NUMBERS[ r2 >> 24 & 0xFF ] +\n\t\tHEX_NUMBERS[ r3 >> 0 & 0xFF ] +\n\t\tHEX_NUMBERS[ r3 >> 8 & 0xFF ] +\n\t\tHEX_NUMBERS[ r3 >> 16 & 0xFF ] +\n\t\tHEX_NUMBERS[ r3 >> 24 & 0xFF ] +\n\t\tHEX_NUMBERS[ r4 >> 0 & 0xFF ] +\n\t\tHEX_NUMBERS[ r4 >> 8 & 0xFF ] +\n\t\tHEX_NUMBERS[ r4 >> 16 & 0xFF ] +\n\t\tHEX_NUMBERS[ r4 >> 24 & 0xFF ];\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/priorities\n */\n\n/**\n * String representing a priority value.\n *\n * @typedef {'highest'|'high'|'normal'|'low'|'lowest'} module:utils/priorities~PriorityString\n */\n\n/**\n * Provides group of constants to use instead of hardcoding numeric priority values.\n *\n * @namespace\n */\nconst priorities = {\n\t/**\n\t * Converts a string with priority name to it's numeric value. If `Number` is given, it just returns it.\n\t *\n\t * @static\n\t * @param {module:utils/priorities~PriorityString|Number} priority Priority to convert.\n\t * @returns {Number} Converted priority.\n\t */\n\tget( priority ) {\n\t\tif ( typeof priority != 'number' ) {\n\t\t\treturn this[ priority ] || this.normal;\n\t\t} else {\n\t\t\treturn priority;\n\t\t}\n\t},\n\n\thighest: 100000,\n\thigh: 1000,\n\tnormal: 0,\n\tlow: -1000,\n\tlowest: -100000\n};\n\nexport default priorities;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/ckeditorerror\n */\n\n/* globals console */\n\n/**\n * URL to the documentation with error codes.\n */\nexport const DOCUMENTATION_URL =\n\t'https://ckeditor.com/docs/ckeditor5/latest/framework/guides/support/error-codes.html';\n\n/**\n * The CKEditor error class.\n *\n * You should throw `CKEditorError` when:\n *\n * * An unexpected situation occurred and the editor (most probably) will not work properly. Such exception will be handled\n * by the {@link module:watchdog/watchdog~Watchdog watchdog} (if it is integrated),\n * * If the editor is incorrectly integrated or the editor API is used in the wrong way. This way you will give\n * feedback to the developer as soon as possible. Keep in mind that for common integration issues which should not\n * stop editor initialization (like missing upload adapter, wrong name of a toolbar component) we use\n * {@link module:utils/ckeditorerror~logWarning `logWarning()`} and\n * {@link module:utils/ckeditorerror~logError `logError()`}\n * to improve developers experience and let them see the a working editor as soon as possible.\n *\n *\t\t/**\n *\t\t * Error thrown when a plugin cannot be loaded due to JavaScript errors, lack of plugins with a given name, etc.\n *\t\t *\n *\t\t * @error plugin-load\n *\t\t * @param pluginName The name of the plugin that could not be loaded.\n *\t\t * @param moduleName The name of the module which tried to load this plugin.\n *\t\t * /\n *\t\tthrow new CKEditorError( 'plugin-load', {\n *\t\t\tpluginName: 'foo',\n *\t\t\tmoduleName: 'bar'\n *\t\t} );\n *\n * @extends Error\n */\nexport default class CKEditorError extends Error {\n\t/**\n\t * Creates an instance of the CKEditorError class.\n\t *\n\t * @param {String} errorName The error id in an `error-name` format. A link to this error documentation page will be added\n\t * to the thrown error's `message`.\n\t * @param {Object|null} context A context of the error by which the {@link module:watchdog/watchdog~Watchdog watchdog}\n\t * is able to determine which editor crashed. It should be an editor instance or a property connected to it. It can be also\n\t * a `null` value if the editor should not be restarted in case of the error (e.g. during the editor initialization).\n\t * The error context should be checked using the `areConnectedThroughProperties( editor, context )` utility\n\t * to check if the object works as the context.\n\t * @param {Object} [data] Additional data describing the error. A stringified version of this object\n\t * will be appended to the error message, so the data are quickly visible in the console. The original\n\t * data object will also be later available under the {@link #data} property.\n\t */\n\tconstructor( errorName, context, data ) {\n\t\tsuper( getErrorMessage( errorName, data ) );\n\n\t\t/**\n\t\t * @type {String}\n\t\t */\n\t\tthis.name = 'CKEditorError';\n\n\t\t/**\n\t\t * A context of the error by which the Watchdog is able to determine which editor crashed.\n\t\t *\n\t\t * @type {Object|null}\n\t\t */\n\t\tthis.context = context;\n\n\t\t/**\n\t\t * The additional error data passed to the constructor. Undefined if none was passed.\n\t\t *\n\t\t * @type {Object|undefined}\n\t\t */\n\t\tthis.data = data;\n\t}\n\n\t/**\n\t * Checks if the error is of the `CKEditorError` type.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'CKEditorError';\n\t}\n\n\t/**\n\t * A utility that ensures that the thrown error is a {@link module:utils/ckeditorerror~CKEditorError} one.\n\t * It is useful when combined with the {@link module:watchdog/watchdog~Watchdog} feature, which can restart the editor in case\n\t * of a {@link module:utils/ckeditorerror~CKEditorError} error.\n\t *\n\t * @static\n\t * @param {Error} err The error to rethrow.\n\t * @param {Object} context An object connected through properties with the editor instance. This context will be used\n\t * by the watchdog to verify which editor should be restarted.\n\t */\n\tstatic rethrowUnexpectedError( err, context ) {\n\t\tif ( err.is && err.is( 'CKEditorError' ) ) {\n\t\t\tthrow err;\n\t\t}\n\n\t\t/**\n\t\t * An unexpected error occurred inside the CKEditor 5 codebase. This error will look like the original one\n\t\t * to make the debugging easier.\n\t\t *\n\t\t * This error is only useful when the editor is initialized using the {@link module:watchdog/watchdog~Watchdog} feature.\n\t\t * In case of such error (or any {@link module:utils/ckeditorerror~CKEditorError} error) the watchdog should restart the editor.\n\t\t *\n\t\t * @error unexpected-error\n\t\t */\n\t\tconst error = new CKEditorError( err.message, context );\n\n\t\t// Restore the original stack trace to make the error look like the original one.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/5595 for more details.\n\t\terror.stack = err.stack;\n\n\t\tthrow error;\n\t}\n}\n\n/**\n * Logs a warning to the console with a properly formatted message and adds a link to the documentation.\n * Use whenever you want to log a warning to the console.\n *\n *\t\t/**\n *\t\t * There was a problem processing the configuration of the toolbar. The item with the given\n *\t\t * name does not exist, so it was omitted when rendering the toolbar.\n *\t\t *\n *\t\t * @error toolbarview-item-unavailable\n *\t\t * @param {String} name The name of the component.\n *\t\t * /\n *\t\tlogWarning( 'toolbarview-item-unavailable', { name } );\n *\n * See also {@link module:utils/ckeditorerror~CKEditorError} for an explanation when to throw an error and when to log\n * a warning or an error to the console.\n *\n * @param {String} errorName The error name to be logged.\n * @param {Object} [data] Additional data to be logged.\n */\nexport function logWarning( errorName, data ) {\n\tconsole.warn( ...formatConsoleArguments( errorName, data ) );\n}\n\n/**\n * Logs an error to the console with a properly formatted message and adds a link to the documentation.\n * Use whenever you want to log an error to the console.\n *\n *\t\t/**\n *\t\t * There was a problem processing the configuration of the toolbar. The item with the given\n *\t\t * name does not exist, so it was omitted when rendering the toolbar.\n *\t\t *\n *\t\t * @error toolbarview-item-unavailable\n *\t\t * @param {String} name The name of the component.\n *\t\t * /\n *\t\t logError( 'toolbarview-item-unavailable', { name } );\n *\n * **Note**: In most cases logging a warning using {@link module:utils/ckeditorerror~logWarning} is enough.\n *\n * See also {@link module:utils/ckeditorerror~CKEditorError} for an explanation when to use each method.\n *\n * @param {String} errorName The error name to be logged.\n * @param {Object} [data] Additional data to be logged.\n */\nexport function logError( errorName, data ) {\n\tconsole.error( ...formatConsoleArguments( errorName, data ) );\n}\n\n// Returns formatted link to documentation message.\n//\n// @private\n// @param {String} errorName\n// @returns {string}\nfunction getLinkToDocumentationMessage( errorName ) {\n\treturn `\\nRead more: ${ DOCUMENTATION_URL }#error-${ errorName }`;\n}\n\n// Returns formatted error message.\n//\n// @private\n// @param {String} errorName\n// @param {Object} [data]\n// @returns {string}\nfunction getErrorMessage( errorName, data ) {\n\tconst processedObjects = new WeakSet();\n\tconst circularReferencesReplacer = ( key, value ) => {\n\t\tif ( typeof value === 'object' && value !== null ) {\n\t\t\tif ( processedObjects.has( value ) ) {\n\t\t\t\treturn `[object ${ value.constructor.name }]`;\n\t\t\t}\n\n\t\t\tprocessedObjects.add( value );\n\t\t}\n\n\t\treturn value;\n\t};\n\n\tconst stringifiedData = data ? ` ${ JSON.stringify( data, circularReferencesReplacer ) }` : '';\n\tconst documentationLink = getLinkToDocumentationMessage( errorName );\n\n\treturn errorName + stringifiedData + documentationLink;\n}\n\n// Returns formatted console error arguments.\n//\n// @private\n// @param {String} errorName\n// @param {Object} [data]\n// @returns {Array}\nfunction formatConsoleArguments( errorName, data ) {\n\tconst documentationMessage = getLinkToDocumentationMessage( errorName );\n\n\treturn data ? [ errorName, data, documentationMessage ] : [ errorName, documentationMessage ];\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/version\n */\n\n/* globals window, global */\n\nimport CKEditorError from './ckeditorerror';\n\nconst version = '32.0.0';\n\nexport default version;\n\n/* istanbul ignore next */\nconst windowOrGlobal = typeof window === 'object' ? window : global;\n\n/* istanbul ignore next */\nif ( windowOrGlobal.CKEDITOR_VERSION ) {\n\t/**\n\t * This error is thrown when due to a mistake in how CKEditor 5 was installed or initialized, some\n\t * of its modules were duplicated (evaluated and executed twice). Module duplication leads to inevitable runtime\n\t * errors.\n\t *\n\t * There are many situations in which some modules can be loaded twice. In the worst case scenario,\n\t * you may need to check your project for each of these issues and fix them all.\n\t *\n\t * # Trying to add a plugin to an existing build\n\t *\n\t * If you import an existing CKEditor 5 build and a plugin like this:\n\t *\n\t *\t\timport ClassicEditor from '@ckeditor/ckeditor5-build-classic';\n\t *\t\timport Highlight from '@ckeditor/ckeditor5-highlight/src/highlight';\n\t *\n\t * Then your project loads some CKEditor 5 packages twice. How does it happen?\n\t *\n\t * The build package contains a file which is already compiled with webpack. This means\n\t * that it contains all the necessary code from e.g. `@ckeditor/ckeditor5-engine` and `@ckeditor/ckeditor5-utils`.\n\t *\n\t * However, the `Highlight` plugin imports some of the modules from these packages, too. If you ask webpack to\n\t * build such a project, you will end up with the modules being included (and run) twice &mdash; first, because they are\n\t * included inside the build package, and second, because they are required by the `Highlight` plugin.\n\t *\n\t * Therefore, **you must never add plugins to an existing build** unless your plugin has no dependencies.\n\t *\n\t * Adding plugins to a build is done by taking the source version of this build (so, before it was built with webpack)\n\t * and adding plugins there. In this situation, webpack will know that it only needs to load each plugin once.\n\t *\n\t * Read more in the {@glink builds/guides/integration/installing-plugins \"Installing plugins\"} guide.\n\t *\n\t * # Confused an editor build with an editor implementation\n\t *\n\t * This scenario is very similar to the previous one, but has a different origin.\n\t *\n\t * Let's assume that you wanted to use CKEditor 5 from source, as explained in the\n\t * {@glink builds/guides/integration/advanced-setup#scenario-2-building-from-source \"Building from source\"} section\n\t * or in the {@glink framework/guides/quick-start \"Quick start\"} guide of CKEditor 5 Framework.\n\t *\n\t * The correct way to do so is to import an editor and plugins and run them together like this:\n\t *\n\t *\t\timport ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';\n\t *\t\timport Essentials from '@ckeditor/ckeditor5-essentials/src/essentials';\n\t *\t\timport Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';\n\t *\t\timport Bold from '@ckeditor/ckeditor5-basic-styles/src/bold';\n\t *\t\timport Italic from '@ckeditor/ckeditor5-basic-styles/src/italic';\n\t *\n\t *\t\tClassicEditor\n\t *\t\t\t.create( document.querySelector( '#editor' ), {\n\t *\t\t\t\tplugins: [ Essentials, Paragraph, Bold, Italic ],\n\t *\t\t\t\ttoolbar: [ 'bold', 'italic' ]\n\t *\t\t\t} )\n\t *\t\t\t.then( editor => {\n\t *\t\t\t\tconsole.log( 'Editor was initialized', editor );\n\t *\t\t\t} )\n\t *\t\t\t.catch( error => {\n\t *\t\t\t\tconsole.error( error.stack );\n\t *\t\t\t} );\n\t *\n\t * However, you might have mistakenly imported a build instead of the source `ClassicEditor`. In this case\n\t * your imports will look like this:\n\t *\n\t *\t\timport ClassicEditor from '@ckeditor/ckeditor5-build-classic';\n\t *\t\timport Essentials from '@ckeditor/ckeditor5-essentials/src/essentials';\n\t *\t\timport Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';\n\t *\t\timport Bold from '@ckeditor/ckeditor5-basic-styles/src/bold';\n\t *\t\timport Italic from '@ckeditor/ckeditor5-basic-styles/src/italic';\n\t *\n\t * This creates the same situation as in the previous section because you use a build together with source plugins.\n\t *\n\t * Remember: `@ckeditor/ckeditor5-build-*` packages contain editor builds and `@ckeditor/ckeditor5-editor-*` contain source editors.\n\t *\n\t * # Loading two or more builds on one page\n\t *\n\t * If you use CKEditor 5 builds, you might have loaded two (or more) `ckeditor.js` files on one web page.\n\t * Check your web page for duplicated `<script>` elements or make sure your page builder/bundler includes CKEditor only once.\n\t *\n\t * If you want to use two different types of editors at once, see the\n\t * {@glink builds/guides/integration/advanced-setup#scenario-3-using-two-different-editors \"Using two different editors\"}\n\t * section.\n\t *\n\t * # Using outdated packages\n\t *\n\t * Building CKEditor 5 from source requires using multiple npm packages. These packages have their dependencies\n\t * to other packages. If you use the latest version of, for example, `@ckeditor/ckeditor5-editor-classic` with\n\t * an outdated version of `@ckeditor/ckeditor5-image`, npm or yarn will need to install two different versions of\n\t * `@ckeditor/ckeditor5-core` because `@ckeditor/ckeditor5-editor-classic` and `@ckeditor/ckeditor5-image` may require\n\t * different versions of the core package.\n\t *\n\t * The solution to this issue is to update all packages to their latest version. We recommend\n\t * using tools like [`npm-check-updates`](https://www.npmjs.com/package/npm-check-updates) which simplify this process.\n\t *\n\t * # Conflicting version of dependencies\n\t *\n\t * This is a special case of the previous scenario. If you use CKEditor 5 with some third-party plugins,\n\t * it may happen that even if you use the latest versions of the official packages and the latest version of\n\t * these third-party packages, there will be a conflict between some of their dependencies.\n\t *\n\t * Such a problem can be resolved by either downgrading CKEditor 5 packages (which we do not recommend) or\n\t * asking the author of the third-party package to upgrade its depdendencies (or forking their project and doing this yourself).\n\t *\n\t * **Note:** All official CKEditor 5 packages (excluding integrations and `ckeditor5-dev-*` packages) are released in the\n\t * same major version. This is &mdash; in the `x.y.z`, the `x` is the same for all packages. This is the simplest way to check\n\t * whether you use packages coming from the same CKEditor 5 version. You can read more about versioning in the\n\t * {@glink framework/guides/support/versioning-policy Versioning policy} guide.\n\t *\n\t * # Packages were duplicated in `node_modules`\n\t *\n\t * In some situations, especially when calling `npm install` multiple times, it may happen\n\t * that npm will not correctly \"deduplicate\" packages.\n\t *\n\t * Normally, npm deduplicates all packages so, for example, `@ckeditor/ckeditor5-core` is installed only once in `node_modules/`.\n\t * However, it is known to fail to do so from time to time.\n\t *\n\t * We recommend checking if any of the steps listed below help:\n\t *\n\t * * `rm -rf node_modules && npm install` to make sure you have a clean `node_modules/` directory. This step\n\t * is known to help in most cases.\n\t * * If you use `yarn.lock` or `package-lock.json`, remove it before `npm install`.\n\t * * Check whether all CKEditor 5 packages are up to date and reinstall them\n\t * if you changed anything (`rm -rf node_modules && npm install`).\n\t *\n\t * If all packages are correct and compatible with each other, the steps above are known to help. If not, you may\n\t * try to check with `npm ls` how many times packages like `@ckeditor/ckeditor5-core`, `@ckeditor/ckeditor5-engine` and\n\t *`@ckeditor/ckeditor5-utils` are installed. If more than once, verify which package causes that.\n\t *\n\t * @error ckeditor-duplicated-modules\n\t */\n\tthrow new CKEditorError(\n\t\t'ckeditor-duplicated-modules',\n\t\tnull\n\t);\n} else {\n\twindowOrGlobal.CKEDITOR_VERSION = version;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/emittermixin\n */\n\nimport EventInfo from './eventinfo';\nimport uid from './uid';\nimport priorities from './priorities';\n\n// To check if component is loaded more than once.\nimport './version';\nimport CKEditorError from './ckeditorerror';\n\nconst _listeningTo = Symbol( 'listeningTo' );\nconst _emitterId = Symbol( 'emitterId' );\n\n/**\n * Mixin that injects the {@link ~Emitter events API} into its host.\n *\n * Read more about the concept of emitters in the:\n * * {@glink framework/guides/architecture/core-editor-architecture#event-system-and-observables Event system and observables}\n * section of the {@glink framework/guides/architecture/core-editor-architecture Core editor architecture} guide.\n * * {@glink framework/guides/deep-dive/event-system Event system} deep dive guide.\n *\n * @mixin EmitterMixin\n * @implements module:utils/emittermixin~Emitter\n */\nconst EmitterMixin = {\n\t/**\n\t * @inheritDoc\n\t */\n\ton( event, callback, options = {} ) {\n\t\tthis.listenTo( this, event, callback, options );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tonce( event, callback, options ) {\n\t\tlet wasFired = false;\n\n\t\tconst onceCallback = function( event, ...args ) {\n\t\t\t// Ensure the callback is called only once even if the callback itself leads to re-firing the event\n\t\t\t// (which would call the callback again).\n\t\t\tif ( !wasFired ) {\n\t\t\t\twasFired = true;\n\n\t\t\t\t// Go off() at the first call.\n\t\t\t\tevent.off();\n\n\t\t\t\t// Go with the original callback.\n\t\t\t\tcallback.call( this, event, ...args );\n\t\t\t}\n\t\t};\n\n\t\t// Make a similar on() call, simply replacing the callback.\n\t\tthis.listenTo( this, event, onceCallback, options );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\toff( event, callback ) {\n\t\tthis.stopListening( this, event, callback );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tlistenTo( emitter, event, callback, options = {} ) {\n\t\tlet emitterInfo, eventCallbacks;\n\n\t\t// _listeningTo contains a list of emitters that this object is listening to.\n\t\t// This list has the following format:\n\t\t//\n\t\t// _listeningTo: {\n\t\t//     emitterId: {\n\t\t//         emitter: emitter,\n\t\t//         callbacks: {\n\t\t//             event1: [ callback1, callback2, ... ]\n\t\t//             ....\n\t\t//         }\n\t\t//     },\n\t\t//     ...\n\t\t// }\n\n\t\tif ( !this[ _listeningTo ] ) {\n\t\t\tthis[ _listeningTo ] = {};\n\t\t}\n\n\t\tconst emitters = this[ _listeningTo ];\n\n\t\tif ( !_getEmitterId( emitter ) ) {\n\t\t\t_setEmitterId( emitter );\n\t\t}\n\n\t\tconst emitterId = _getEmitterId( emitter );\n\n\t\tif ( !( emitterInfo = emitters[ emitterId ] ) ) {\n\t\t\temitterInfo = emitters[ emitterId ] = {\n\t\t\t\temitter,\n\t\t\t\tcallbacks: {}\n\t\t\t};\n\t\t}\n\n\t\tif ( !( eventCallbacks = emitterInfo.callbacks[ event ] ) ) {\n\t\t\teventCallbacks = emitterInfo.callbacks[ event ] = [];\n\t\t}\n\n\t\teventCallbacks.push( callback );\n\n\t\t// Finally register the callback to the event.\n\t\taddEventListener( this, emitter, event, callback, options );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstopListening( emitter, event, callback ) {\n\t\tconst emitters = this[ _listeningTo ];\n\t\tlet emitterId = emitter && _getEmitterId( emitter );\n\t\tconst emitterInfo = emitters && emitterId && emitters[ emitterId ];\n\t\tconst eventCallbacks = emitterInfo && event && emitterInfo.callbacks[ event ];\n\n\t\t// Stop if nothing has been listened.\n\t\tif ( !emitters || ( emitter && !emitterInfo ) || ( event && !eventCallbacks ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// All params provided. off() that single callback.\n\t\tif ( callback ) {\n\t\t\tremoveEventListener( this, emitter, event, callback );\n\n\t\t\t// We must remove callbacks as well in order to prevent memory leaks.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/pull/8480\n\t\t\tconst index = eventCallbacks.indexOf( callback );\n\n\t\t\tif ( index !== -1 ) {\n\t\t\t\tif ( eventCallbacks.length === 1 ) {\n\t\t\t\t\tdelete emitterInfo.callbacks[ event ];\n\t\t\t\t} else {\n\t\t\t\t\tremoveEventListener( this, emitter, event, callback );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t// Only `emitter` and `event` provided. off() all callbacks for that event.\n\t\telse if ( eventCallbacks ) {\n\t\t\twhile ( ( callback = eventCallbacks.pop() ) ) {\n\t\t\t\tremoveEventListener( this, emitter, event, callback );\n\t\t\t}\n\n\t\t\tdelete emitterInfo.callbacks[ event ];\n\t\t}\n\t\t// Only `emitter` provided. off() all events for that emitter.\n\t\telse if ( emitterInfo ) {\n\t\t\tfor ( event in emitterInfo.callbacks ) {\n\t\t\t\tthis.stopListening( emitter, event );\n\t\t\t}\n\t\t\tdelete emitters[ emitterId ];\n\t\t}\n\t\t// No params provided. off() all emitters.\n\t\telse {\n\t\t\tfor ( emitterId in emitters ) {\n\t\t\t\tthis.stopListening( emitters[ emitterId ].emitter );\n\t\t\t}\n\t\t\tdelete this[ _listeningTo ];\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tfire( eventOrInfo, ...args ) {\n\t\ttry {\n\t\t\tconst eventInfo = eventOrInfo instanceof EventInfo ? eventOrInfo : new EventInfo( this, eventOrInfo );\n\t\t\tconst event = eventInfo.name;\n\t\t\tlet callbacks = getCallbacksForEvent( this, event );\n\n\t\t\t// Record that the event passed this emitter on its path.\n\t\t\teventInfo.path.push( this );\n\n\t\t\t// Handle event listener callbacks first.\n\t\t\tif ( callbacks ) {\n\t\t\t\t// Arguments passed to each callback.\n\t\t\t\tconst callbackArgs = [ eventInfo, ...args ];\n\n\t\t\t\t// Copying callbacks array is the easiest and most secure way of preventing infinite loops, when event callbacks\n\t\t\t\t// are added while processing other callbacks. Previous solution involved adding counters (unique ids) but\n\t\t\t\t// failed if callbacks were added to the queue before currently processed callback.\n\t\t\t\t// If this proves to be too inefficient, another method is to change `.on()` so callbacks are stored if same\n\t\t\t\t// event is currently processed. Then, `.fire()` at the end, would have to add all stored events.\n\t\t\t\tcallbacks = Array.from( callbacks );\n\n\t\t\t\tfor ( let i = 0; i < callbacks.length; i++ ) {\n\t\t\t\t\tcallbacks[ i ].callback.apply( this, callbackArgs );\n\n\t\t\t\t\t// Remove the callback from future requests if off() has been called.\n\t\t\t\t\tif ( eventInfo.off.called ) {\n\t\t\t\t\t\t// Remove the called mark for the next calls.\n\t\t\t\t\t\tdelete eventInfo.off.called;\n\n\t\t\t\t\t\tthis._removeEventListener( event, callbacks[ i ].callback );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Do not execute next callbacks if stop() was called.\n\t\t\t\t\tif ( eventInfo.stop.called ) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Delegate event to other emitters if needed.\n\t\t\tif ( this._delegations ) {\n\t\t\t\tconst destinations = this._delegations.get( event );\n\t\t\t\tconst passAllDestinations = this._delegations.get( '*' );\n\n\t\t\t\tif ( destinations ) {\n\t\t\t\t\tfireDelegatedEvents( destinations, eventInfo, args );\n\t\t\t\t}\n\n\t\t\t\tif ( passAllDestinations ) {\n\t\t\t\t\tfireDelegatedEvents( passAllDestinations, eventInfo, args );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn eventInfo.return;\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdelegate( ...events ) {\n\t\treturn {\n\t\t\tto: ( emitter, nameOrFunction ) => {\n\t\t\t\tif ( !this._delegations ) {\n\t\t\t\t\tthis._delegations = new Map();\n\t\t\t\t}\n\n\t\t\t\t// Originally there was a for..of loop which unfortunately caused an error in Babel that didn't allow\n\t\t\t\t// build an application. See: https://github.com/ckeditor/ckeditor5-react/issues/40.\n\t\t\t\tevents.forEach( eventName => {\n\t\t\t\t\tconst destinations = this._delegations.get( eventName );\n\n\t\t\t\t\tif ( !destinations ) {\n\t\t\t\t\t\tthis._delegations.set( eventName, new Map( [ [ emitter, nameOrFunction ] ] ) );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tdestinations.set( emitter, nameOrFunction );\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t}\n\t\t};\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstopDelegating( event, emitter ) {\n\t\tif ( !this._delegations ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !event ) {\n\t\t\tthis._delegations.clear();\n\t\t} else if ( !emitter ) {\n\t\t\tthis._delegations.delete( event );\n\t\t} else {\n\t\t\tconst destinations = this._delegations.get( event );\n\n\t\t\tif ( destinations ) {\n\t\t\t\tdestinations.delete( emitter );\n\t\t\t}\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_addEventListener( event, callback, options ) {\n\t\tcreateEventNamespace( this, event );\n\n\t\tconst lists = getCallbacksListsForNamespace( this, event );\n\t\tconst priority = priorities.get( options.priority );\n\n\t\tconst callbackDefinition = {\n\t\t\tcallback,\n\t\t\tpriority\n\t\t};\n\n\t\t// Add the callback to all callbacks list.\n\t\tfor ( const callbacks of lists ) {\n\t\t\t// Add the callback to the list in the right priority position.\n\t\t\tlet added = false;\n\n\t\t\tfor ( let i = 0; i < callbacks.length; i++ ) {\n\t\t\t\tif ( callbacks[ i ].priority < priority ) {\n\t\t\t\t\tcallbacks.splice( i, 0, callbackDefinition );\n\t\t\t\t\tadded = true;\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Add at the end, if right place was not found.\n\t\t\tif ( !added ) {\n\t\t\t\tcallbacks.push( callbackDefinition );\n\t\t\t}\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_removeEventListener( event, callback ) {\n\t\tconst lists = getCallbacksListsForNamespace( this, event );\n\n\t\tfor ( const callbacks of lists ) {\n\t\t\tfor ( let i = 0; i < callbacks.length; i++ ) {\n\t\t\t\tif ( callbacks[ i ].callback == callback ) {\n\t\t\t\t\t// Remove the callback from the list (fixing the next index).\n\t\t\t\t\tcallbacks.splice( i, 1 );\n\t\t\t\t\ti--;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n};\n\nexport default EmitterMixin;\n\n/**\n * Emitter/listener interface.\n *\n * Can be easily implemented by a class by mixing the {@link module:utils/emittermixin~EmitterMixin} mixin.\n *\n * Read more about the usage of this interface in the:\n * * {@glink framework/guides/architecture/core-editor-architecture#event-system-and-observables Event system and observables}\n * section of the {@glink framework/guides/architecture/core-editor-architecture Core editor architecture} guide.\n * * {@glink framework/guides/deep-dive/event-system Event system} deep dive guide.\n *\n * @interface Emitter\n */\n\n/**\n * Registers a callback function to be executed when an event is fired.\n *\n * Shorthand for {@link #listenTo `this.listenTo( this, event, callback, options )`} (it makes the emitter\n * listen on itself).\n *\n * @method #on\n * @param {String} event The name of the event.\n * @param {Function} callback The function to be called on event.\n * @param {Object} [options={}] Additional options.\n * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n * order they were added.\n */\n\n/**\n * Registers a callback function to be executed on the next time the event is fired only. This is similar to\n * calling {@link #on} followed by {@link #off} in the callback.\n *\n * @method #once\n * @param {String} event The name of the event.\n * @param {Function} callback The function to be called on event.\n * @param {Object} [options={}] Additional options.\n * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n * order they were added.\n */\n\n/**\n * Stops executing the callback on the given event.\n * Shorthand for {@link #stopListening `this.stopListening( this, event, callback )`}.\n *\n * @method #off\n * @param {String} event The name of the event.\n * @param {Function} callback The function to stop being called.\n */\n\n/**\n * Registers a callback function to be executed when an event is fired in a specific (emitter) object.\n *\n * Events can be grouped in namespaces using `:`.\n * When namespaced event is fired, it additionally fires all callbacks for that namespace.\n *\n *\t\t// myEmitter.on( ... ) is a shorthand for myEmitter.listenTo( myEmitter, ... ).\n *\t\tmyEmitter.on( 'myGroup', genericCallback );\n *\t\tmyEmitter.on( 'myGroup:myEvent', specificCallback );\n *\n *\t\t// genericCallback is fired.\n *\t\tmyEmitter.fire( 'myGroup' );\n *\t\t// both genericCallback and specificCallback are fired.\n *\t\tmyEmitter.fire( 'myGroup:myEvent' );\n *\t\t// genericCallback is fired even though there are no callbacks for \"foo\".\n *\t\tmyEmitter.fire( 'myGroup:foo' );\n *\n * An event callback can {@link module:utils/eventinfo~EventInfo#stop stop the event} and\n * set the {@link module:utils/eventinfo~EventInfo#return return value} of the {@link #fire} method.\n *\n * @method #listenTo\n * @param {module:utils/emittermixin~Emitter} emitter The object that fires the event.\n * @param {String} event The name of the event.\n * @param {Function} callback The function to be called on event.\n * @param {Object} [options={}] Additional options.\n * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n * order they were added.\n */\n\n/**\n * Stops listening for events. It can be used at different levels:\n *\n * * To stop listening to a specific callback.\n * * To stop listening to a specific event.\n * * To stop listening to all events fired by a specific object.\n * * To stop listening to all events fired by all objects.\n *\n * @method #stopListening\n * @param {module:utils/emittermixin~Emitter} [emitter] The object to stop listening to. If omitted, stops it for all objects.\n * @param {String} [event] (Requires the `emitter`) The name of the event to stop listening to. If omitted, stops it\n * for all events from `emitter`.\n * @param {Function} [callback] (Requires the `event`) The function to be removed from the call list for the given\n * `event`.\n */\n\n/**\n * Fires an event, executing all callbacks registered for it.\n *\n * The first parameter passed to callbacks is an {@link module:utils/eventinfo~EventInfo} object,\n * followed by the optional `args` provided in the `fire()` method call.\n *\n * @method #fire\n * @param {String|module:utils/eventinfo~EventInfo} eventOrInfo The name of the event or `EventInfo` object if event is delegated.\n * @param {...*} [args] Additional arguments to be passed to the callbacks.\n * @returns {*} By default the method returns `undefined`. However, the return value can be changed by listeners\n * through modification of the {@link module:utils/eventinfo~EventInfo#return `evt.return`}'s property (the event info\n * is the first param of every callback).\n */\n\n/**\n * Delegates selected events to another {@link module:utils/emittermixin~Emitter}. For instance:\n *\n *\t\temitterA.delegate( 'eventX' ).to( emitterB );\n *\t\temitterA.delegate( 'eventX', 'eventY' ).to( emitterC );\n *\n * then `eventX` is delegated (fired by) `emitterB` and `emitterC` along with `data`:\n *\n *\t\temitterA.fire( 'eventX', data );\n *\n * and `eventY` is delegated (fired by) `emitterC` along with `data`:\n *\n *\t\temitterA.fire( 'eventY', data );\n *\n * @method #delegate\n * @param {...String} events Event names that will be delegated to another emitter.\n * @returns {module:utils/emittermixin~EmitterMixinDelegateChain}\n */\n\n/**\n * Stops delegating events. It can be used at different levels:\n *\n * * To stop delegating all events.\n * * To stop delegating a specific event to all emitters.\n * * To stop delegating a specific event to a specific emitter.\n *\n * @method #stopDelegating\n * @param {String} [event] The name of the event to stop delegating. If omitted, stops it all delegations.\n * @param {module:utils/emittermixin~Emitter} [emitter] (requires `event`) The object to stop delegating a particular event to.\n * If omitted, stops delegation of `event` to all emitters.\n */\n\n/**\n * Adds callback to emitter for given event.\n *\n * @protected\n * @method #_addEventListener\n * @param {String} event The name of the event.\n * @param {Function} callback The function to be called on event.\n * @param {Object} [options={}] Additional options.\n * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n * order they were added.\n */\n\n/**\n * Removes callback from emitter for given event.\n *\n * @protected\n * @method #_removeEventListener\n * @param {String} event The name of the event.\n * @param {Function} callback The function to stop being called.\n */\n\n/**\n * Checks if `listeningEmitter` listens to an emitter with given `listenedToEmitterId` and if so, returns that emitter.\n * If not, returns `null`.\n *\n * @protected\n * @param {module:utils/emittermixin~Emitter} listeningEmitter An emitter that listens.\n * @param {String} listenedToEmitterId Unique emitter id of emitter listened to.\n * @returns {module:utils/emittermixin~Emitter|null}\n */\nexport function _getEmitterListenedTo( listeningEmitter, listenedToEmitterId ) {\n\tif ( listeningEmitter[ _listeningTo ] && listeningEmitter[ _listeningTo ][ listenedToEmitterId ] ) {\n\t\treturn listeningEmitter[ _listeningTo ][ listenedToEmitterId ].emitter;\n\t}\n\n\treturn null;\n}\n\n/**\n * Sets emitter's unique id.\n *\n * **Note:** `_emitterId` can be set only once.\n *\n * @protected\n * @param {module:utils/emittermixin~Emitter} emitter An emitter for which id will be set.\n * @param {String} [id] Unique id to set. If not passed, random unique id will be set.\n */\nexport function _setEmitterId( emitter, id ) {\n\tif ( !emitter[ _emitterId ] ) {\n\t\temitter[ _emitterId ] = id || uid();\n\t}\n}\n\n/**\n * Returns emitter's unique id.\n *\n * @protected\n * @param {module:utils/emittermixin~Emitter} emitter An emitter which id will be returned.\n */\nexport function _getEmitterId( emitter ) {\n\treturn emitter[ _emitterId ];\n}\n\n// Gets the internal `_events` property of the given object.\n// `_events` property store all lists with callbacks for registered event names.\n// If there were no events registered on the object, empty `_events` object is created.\nfunction getEvents( source ) {\n\tif ( !source._events ) {\n\t\tObject.defineProperty( source, '_events', {\n\t\t\tvalue: {}\n\t\t} );\n\t}\n\n\treturn source._events;\n}\n\n// Creates event node for generic-specific events relation architecture.\nfunction makeEventNode() {\n\treturn {\n\t\tcallbacks: [],\n\t\tchildEvents: []\n\t};\n}\n\n// Creates an architecture for generic-specific events relation.\n// If needed, creates all events for given eventName, i.e. if the first registered event\n// is foo:bar:abc, it will create foo:bar:abc, foo:bar and foo event and tie them together.\n// It also copies callbacks from more generic events to more specific events when\n// specific events are created.\nfunction createEventNamespace( source, eventName ) {\n\tconst events = getEvents( source );\n\n\t// First, check if the event we want to add to the structure already exists.\n\tif ( events[ eventName ] ) {\n\t\t// If it exists, we don't have to do anything.\n\t\treturn;\n\t}\n\n\t// In other case, we have to create the structure for the event.\n\t// Note, that we might need to create intermediate events too.\n\t// I.e. if foo:bar:abc is being registered and we only have foo in the structure,\n\t// we need to also register foo:bar.\n\n\t// Currently processed event name.\n\tlet name = eventName;\n\t// Name of the event that is a child event for currently processed event.\n\tlet childEventName = null;\n\n\t// Array containing all newly created specific events.\n\tconst newEventNodes = [];\n\n\t// While loop can't check for ':' index because we have to handle generic events too.\n\t// In each loop, we truncate event name, going from the most specific name to the generic one.\n\t// I.e. foo:bar:abc -> foo:bar -> foo.\n\twhile ( name !== '' ) {\n\t\tif ( events[ name ] ) {\n\t\t\t// If the currently processed event name is already registered, we can be sure\n\t\t\t// that it already has all the structure created, so we can break the loop here\n\t\t\t// as no more events need to be registered.\n\t\t\tbreak;\n\t\t}\n\n\t\t// If this event is not yet registered, create a new object for it.\n\t\tevents[ name ] = makeEventNode();\n\t\t// Add it to the array with newly created events.\n\t\tnewEventNodes.push( events[ name ] );\n\n\t\t// Add previously processed event name as a child of this event.\n\t\tif ( childEventName ) {\n\t\t\tevents[ name ].childEvents.push( childEventName );\n\t\t}\n\n\t\tchildEventName = name;\n\t\t// If `.lastIndexOf()` returns -1, `.substr()` will return '' which will break the loop.\n\t\tname = name.substr( 0, name.lastIndexOf( ':' ) );\n\t}\n\n\tif ( name !== '' ) {\n\t\t// If name is not empty, we found an already registered event that was a parent of the\n\t\t// event we wanted to register.\n\n\t\t// Copy that event's callbacks to newly registered events.\n\t\tfor ( const node of newEventNodes ) {\n\t\t\tnode.callbacks = events[ name ].callbacks.slice();\n\t\t}\n\n\t\t// Add last newly created event to the already registered event.\n\t\tevents[ name ].childEvents.push( childEventName );\n\t}\n}\n\n// Gets an array containing callbacks list for a given event and it's more specific events.\n// I.e. if given event is foo:bar and there is also foo:bar:abc event registered, this will\n// return callback list of foo:bar and foo:bar:abc (but not foo).\nfunction getCallbacksListsForNamespace( source, eventName ) {\n\tconst eventNode = getEvents( source )[ eventName ];\n\n\tif ( !eventNode ) {\n\t\treturn [];\n\t}\n\n\tlet callbacksLists = [ eventNode.callbacks ];\n\n\tfor ( let i = 0; i < eventNode.childEvents.length; i++ ) {\n\t\tconst childCallbacksLists = getCallbacksListsForNamespace( source, eventNode.childEvents[ i ] );\n\n\t\tcallbacksLists = callbacksLists.concat( childCallbacksLists );\n\t}\n\n\treturn callbacksLists;\n}\n\n// Get the list of callbacks for a given event, but only if there any callbacks have been registered.\n// If there are no callbacks registered for given event, it checks if this is a specific event and looks\n// for callbacks for it's more generic version.\nfunction getCallbacksForEvent( source, eventName ) {\n\tlet event;\n\n\tif ( !source._events || !( event = source._events[ eventName ] ) || !event.callbacks.length ) {\n\t\t// There are no callbacks registered for specified eventName.\n\t\t// But this could be a specific-type event that is in a namespace.\n\t\tif ( eventName.indexOf( ':' ) > -1 ) {\n\t\t\t// If the eventName is specific, try to find callback lists for more generic event.\n\t\t\treturn getCallbacksForEvent( source, eventName.substr( 0, eventName.lastIndexOf( ':' ) ) );\n\t\t} else {\n\t\t\t// If this is a top-level generic event, return null;\n\t\t\treturn null;\n\t\t}\n\t}\n\n\treturn event.callbacks;\n}\n\n// Fires delegated events for given map of destinations.\n//\n// @private\n// * @param {Map.<utils.Emitter>} destinations A map containing\n// `[ {@link module:utils/emittermixin~Emitter}, \"event name\" ]` pair destinations.\n// * @param {utils.EventInfo} eventInfo The original event info object.\n// * @param {Array.<*>} fireArgs Arguments the original event was fired with.\nfunction fireDelegatedEvents( destinations, eventInfo, fireArgs ) {\n\tfor ( let [ emitter, name ] of destinations ) {\n\t\tif ( !name ) {\n\t\t\tname = eventInfo.name;\n\t\t} else if ( typeof name == 'function' ) {\n\t\t\tname = name( eventInfo.name );\n\t\t}\n\n\t\tconst delegatedInfo = new EventInfo( eventInfo.source, name );\n\n\t\tdelegatedInfo.path = [ ...eventInfo.path ];\n\n\t\temitter.fire( delegatedInfo, ...fireArgs );\n\t}\n}\n\n// Helper for registering event callback on the emitter.\nfunction addEventListener( listener, emitter, event, callback, options ) {\n\tif ( emitter._addEventListener ) {\n\t\temitter._addEventListener( event, callback, options );\n\t} else {\n\t\t// Allow listening on objects that do not implement Emitter interface.\n\t\t// This is needed in some tests that are using mocks instead of the real objects with EmitterMixin mixed.\n\t\tlistener._addEventListener.call( emitter, event, callback, options );\n\t}\n}\n\n// Helper for removing event callback from the emitter.\nfunction removeEventListener( listener, emitter, event, callback ) {\n\tif ( emitter._removeEventListener ) {\n\t\temitter._removeEventListener( event, callback );\n\t} else {\n\t\t// Allow listening on objects that do not implement Emitter interface.\n\t\t// This is needed in some tests that are using mocks instead of the real objects with EmitterMixin mixed.\n\t\tlistener._removeEventListener.call( emitter, event, callback );\n\t}\n}\n\n/**\n * The return value of {@link ~EmitterMixin#delegate}.\n *\n * @interface module:utils/emittermixin~EmitterMixinDelegateChain\n */\n\n/**\n * Selects destination for {@link module:utils/emittermixin~EmitterMixin#delegate} events.\n *\n * @method #to\n * @param {module:utils/emittermixin~Emitter} emitter An `EmitterMixin` instance which is the destination for delegated events.\n * @param {String|Function} [nameOrFunction] A custom event name or function which converts the original name string.\n */\n","/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n  var type = typeof value;\n  return value != null && (type == 'object' || type == 'function');\n}\n\nexport default isObject;\n","/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\nexport default freeGlobal;\n","import freeGlobal from './_freeGlobal.js';\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\nexport default root;\n","import root from './_root.js';\n\n/** Built-in value references. */\nvar Symbol = root.Symbol;\n\nexport default Symbol;\n","import Symbol from './_Symbol.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/** Built-in value references. */\nvar symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n/**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\nfunction getRawTag(value) {\n  var isOwn = hasOwnProperty.call(value, symToStringTag),\n      tag = value[symToStringTag];\n\n  try {\n    value[symToStringTag] = undefined;\n    var unmasked = true;\n  } catch (e) {}\n\n  var result = nativeObjectToString.call(value);\n  if (unmasked) {\n    if (isOwn) {\n      value[symToStringTag] = tag;\n    } else {\n      delete value[symToStringTag];\n    }\n  }\n  return result;\n}\n\nexport default getRawTag;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n  return nativeObjectToString.call(value);\n}\n\nexport default objectToString;\n","import Symbol from './_Symbol.js';\nimport getRawTag from './_getRawTag.js';\nimport objectToString from './_objectToString.js';\n\n/** `Object#toString` result references. */\nvar nullTag = '[object Null]',\n    undefinedTag = '[object Undefined]';\n\n/** Built-in value references. */\nvar symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n/**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nfunction baseGetTag(value) {\n  if (value == null) {\n    return value === undefined ? undefinedTag : nullTag;\n  }\n  return (symToStringTag && symToStringTag in Object(value))\n    ? getRawTag(value)\n    : objectToString(value);\n}\n\nexport default baseGetTag;\n","import baseGetTag from './_baseGetTag.js';\nimport isObject from './isObject.js';\n\n/** `Object#toString` result references. */\nvar asyncTag = '[object AsyncFunction]',\n    funcTag = '[object Function]',\n    genTag = '[object GeneratorFunction]',\n    proxyTag = '[object Proxy]';\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n  if (!isObject(value)) {\n    return false;\n  }\n  // The use of `Object#toString` avoids issues with the `typeof` operator\n  // in Safari 9 which returns 'object' for typed arrays and other constructors.\n  var tag = baseGetTag(value);\n  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n}\n\nexport default isFunction;\n","import root from './_root.js';\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\nexport default coreJsData;\n","import coreJsData from './_coreJsData.js';\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n  return uid ? ('Symbol(src)_1.' + uid) : '';\n}());\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n  return !!maskSrcKey && (maskSrcKey in func);\n}\n\nexport default isMasked;\n","/** Used for built-in method references. */\nvar funcProto = Function.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n  if (func != null) {\n    try {\n      return funcToString.call(func);\n    } catch (e) {}\n    try {\n      return (func + '');\n    } catch (e) {}\n  }\n  return '';\n}\n\nexport default toSource;\n","import isFunction from './isFunction.js';\nimport isMasked from './_isMasked.js';\nimport isObject from './isObject.js';\nimport toSource from './_toSource.js';\n\n/**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\nvar reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g;\n\n/** Used to detect host constructors (Safari). */\nvar reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n/** Used for built-in method references. */\nvar funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to detect if a method is native. */\nvar reIsNative = RegExp('^' +\n  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n  .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n);\n\n/**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n *  else `false`.\n */\nfunction baseIsNative(value) {\n  if (!isObject(value) || isMasked(value)) {\n    return false;\n  }\n  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n  return pattern.test(toSource(value));\n}\n\nexport default baseIsNative;\n","/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n  return object == null ? undefined : object[key];\n}\n\nexport default getValue;\n","import baseIsNative from './_baseIsNative.js';\nimport getValue from './_getValue.js';\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n  var value = getValue(object, key);\n  return baseIsNative(value) ? value : undefined;\n}\n\nexport default getNative;\n","import getNative from './_getNative.js';\n\nvar defineProperty = (function() {\n  try {\n    var func = getNative(Object, 'defineProperty');\n    func({}, '', {});\n    return func;\n  } catch (e) {}\n}());\n\nexport default defineProperty;\n","import defineProperty from './_defineProperty.js';\n\n/**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction baseAssignValue(object, key, value) {\n  if (key == '__proto__' && defineProperty) {\n    defineProperty(object, key, {\n      'configurable': true,\n      'enumerable': true,\n      'value': value,\n      'writable': true\n    });\n  } else {\n    object[key] = value;\n  }\n}\n\nexport default baseAssignValue;\n","/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n  return value === other || (value !== value && other !== other);\n}\n\nexport default eq;\n","import baseAssignValue from './_baseAssignValue.js';\nimport eq from './eq.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction assignValue(object, key, value) {\n  var objValue = object[key];\n  if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n      (value === undefined && !(key in object))) {\n    baseAssignValue(object, key, value);\n  }\n}\n\nexport default assignValue;\n","import assignValue from './_assignValue.js';\nimport baseAssignValue from './_baseAssignValue.js';\n\n/**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\nfunction copyObject(source, props, object, customizer) {\n  var isNew = !object;\n  object || (object = {});\n\n  var index = -1,\n      length = props.length;\n\n  while (++index < length) {\n    var key = props[index];\n\n    var newValue = customizer\n      ? customizer(object[key], source[key], key, object, source)\n      : undefined;\n\n    if (newValue === undefined) {\n      newValue = source[key];\n    }\n    if (isNew) {\n      baseAssignValue(object, key, newValue);\n    } else {\n      assignValue(object, key, newValue);\n    }\n  }\n  return object;\n}\n\nexport default copyObject;\n","/**\n * This method returns the first argument it receives.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {*} value Any value.\n * @returns {*} Returns `value`.\n * @example\n *\n * var object = { 'a': 1 };\n *\n * console.log(_.identity(object) === object);\n * // => true\n */\nfunction identity(value) {\n  return value;\n}\n\nexport default identity;\n","/**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\nfunction apply(func, thisArg, args) {\n  switch (args.length) {\n    case 0: return func.call(thisArg);\n    case 1: return func.call(thisArg, args[0]);\n    case 2: return func.call(thisArg, args[0], args[1]);\n    case 3: return func.call(thisArg, args[0], args[1], args[2]);\n  }\n  return func.apply(thisArg, args);\n}\n\nexport default apply;\n","import apply from './_apply.js';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\nfunction overRest(func, start, transform) {\n  start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n  return function() {\n    var args = arguments,\n        index = -1,\n        length = nativeMax(args.length - start, 0),\n        array = Array(length);\n\n    while (++index < length) {\n      array[index] = args[start + index];\n    }\n    index = -1;\n    var otherArgs = Array(start + 1);\n    while (++index < start) {\n      otherArgs[index] = args[index];\n    }\n    otherArgs[start] = transform(array);\n    return apply(func, this, otherArgs);\n  };\n}\n\nexport default overRest;\n","/**\n * Creates a function that returns `value`.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Util\n * @param {*} value The value to return from the new function.\n * @returns {Function} Returns the new constant function.\n * @example\n *\n * var objects = _.times(2, _.constant({ 'a': 1 }));\n *\n * console.log(objects);\n * // => [{ 'a': 1 }, { 'a': 1 }]\n *\n * console.log(objects[0] === objects[1]);\n * // => true\n */\nfunction constant(value) {\n  return function() {\n    return value;\n  };\n}\n\nexport default constant;\n","import constant from './constant.js';\nimport defineProperty from './_defineProperty.js';\nimport identity from './identity.js';\n\n/**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\nvar baseSetToString = !defineProperty ? identity : function(func, string) {\n  return defineProperty(func, 'toString', {\n    'configurable': true,\n    'enumerable': false,\n    'value': constant(string),\n    'writable': true\n  });\n};\n\nexport default baseSetToString;\n","/** Used to detect hot functions by number of calls within a span of milliseconds. */\nvar HOT_COUNT = 800,\n    HOT_SPAN = 16;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeNow = Date.now;\n\n/**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\nfunction shortOut(func) {\n  var count = 0,\n      lastCalled = 0;\n\n  return function() {\n    var stamp = nativeNow(),\n        remaining = HOT_SPAN - (stamp - lastCalled);\n\n    lastCalled = stamp;\n    if (remaining > 0) {\n      if (++count >= HOT_COUNT) {\n        return arguments[0];\n      }\n    } else {\n      count = 0;\n    }\n    return func.apply(undefined, arguments);\n  };\n}\n\nexport default shortOut;\n","import baseSetToString from './_baseSetToString.js';\nimport shortOut from './_shortOut.js';\n\n/**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\nvar setToString = shortOut(baseSetToString);\n\nexport default setToString;\n","import identity from './identity.js';\nimport overRest from './_overRest.js';\nimport setToString from './_setToString.js';\n\n/**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\nfunction baseRest(func, start) {\n  return setToString(overRest(func, start, identity), func + '');\n}\n\nexport default baseRest;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\nfunction isLength(value) {\n  return typeof value == 'number' &&\n    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n}\n\nexport default isLength;\n","import isFunction from './isFunction.js';\nimport isLength from './isLength.js';\n\n/**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\nfunction isArrayLike(value) {\n  return value != null && isLength(value.length) && !isFunction(value);\n}\n\nexport default isArrayLike;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/** Used to detect unsigned integer values. */\nvar reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n/**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\nfunction isIndex(value, length) {\n  var type = typeof value;\n  length = length == null ? MAX_SAFE_INTEGER : length;\n\n  return !!length &&\n    (type == 'number' ||\n      (type != 'symbol' && reIsUint.test(value))) &&\n        (value > -1 && value % 1 == 0 && value < length);\n}\n\nexport default isIndex;\n","import eq from './eq.js';\nimport isArrayLike from './isArrayLike.js';\nimport isIndex from './_isIndex.js';\nimport isObject from './isObject.js';\n\n/**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n *  else `false`.\n */\nfunction isIterateeCall(value, index, object) {\n  if (!isObject(object)) {\n    return false;\n  }\n  var type = typeof index;\n  if (type == 'number'\n        ? (isArrayLike(object) && isIndex(index, object.length))\n        : (type == 'string' && index in object)\n      ) {\n    return eq(object[index], value);\n  }\n  return false;\n}\n\nexport default isIterateeCall;\n","import baseRest from './_baseRest.js';\nimport isIterateeCall from './_isIterateeCall.js';\n\n/**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\nfunction createAssigner(assigner) {\n  return baseRest(function(object, sources) {\n    var index = -1,\n        length = sources.length,\n        customizer = length > 1 ? sources[length - 1] : undefined,\n        guard = length > 2 ? sources[2] : undefined;\n\n    customizer = (assigner.length > 3 && typeof customizer == 'function')\n      ? (length--, customizer)\n      : undefined;\n\n    if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n      customizer = length < 3 ? undefined : customizer;\n      length = 1;\n    }\n    object = Object(object);\n    while (++index < length) {\n      var source = sources[index];\n      if (source) {\n        assigner(object, source, index, customizer);\n      }\n    }\n    return object;\n  });\n}\n\nexport default createAssigner;\n","/**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\nfunction baseTimes(n, iteratee) {\n  var index = -1,\n      result = Array(n);\n\n  while (++index < n) {\n    result[index] = iteratee(index);\n  }\n  return result;\n}\n\nexport default baseTimes;\n","/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return value != null && typeof value == 'object';\n}\n\nexport default isObjectLike;\n","import baseGetTag from './_baseGetTag.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]';\n\n/**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\nfunction baseIsArguments(value) {\n  return isObjectLike(value) && baseGetTag(value) == argsTag;\n}\n\nexport default baseIsArguments;\n","import baseIsArguments from './_baseIsArguments.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Built-in value references. */\nvar propertyIsEnumerable = objectProto.propertyIsEnumerable;\n\n/**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n *  else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\nvar isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n  return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n    !propertyIsEnumerable.call(value, 'callee');\n};\n\nexport default isArguments;\n","/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\nexport default isArray;\n","/**\n * This method returns `false`.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {boolean} Returns `false`.\n * @example\n *\n * _.times(2, _.stubFalse);\n * // => [false, false]\n */\nfunction stubFalse() {\n  return false;\n}\n\nexport default stubFalse;\n","import root from './_root.js';\nimport stubFalse from './stubFalse.js';\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Built-in value references. */\nvar Buffer = moduleExports ? root.Buffer : undefined;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;\n\n/**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\nvar isBuffer = nativeIsBuffer || stubFalse;\n\nexport default isBuffer;\n","import baseGetTag from './_baseGetTag.js';\nimport isLength from './isLength.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n    arrayTag = '[object Array]',\n    boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    errorTag = '[object Error]',\n    funcTag = '[object Function]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    objectTag = '[object Object]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    weakMapTag = '[object WeakMap]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]',\n    float32Tag = '[object Float32Array]',\n    float64Tag = '[object Float64Array]',\n    int8Tag = '[object Int8Array]',\n    int16Tag = '[object Int16Array]',\n    int32Tag = '[object Int32Array]',\n    uint8Tag = '[object Uint8Array]',\n    uint8ClampedTag = '[object Uint8ClampedArray]',\n    uint16Tag = '[object Uint16Array]',\n    uint32Tag = '[object Uint32Array]';\n\n/** Used to identify `toStringTag` values of typed arrays. */\nvar typedArrayTags = {};\ntypedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\ntypedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\ntypedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\ntypedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\ntypedArrayTags[uint32Tag] = true;\ntypedArrayTags[argsTag] = typedArrayTags[arrayTag] =\ntypedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\ntypedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\ntypedArrayTags[errorTag] = typedArrayTags[funcTag] =\ntypedArrayTags[mapTag] = typedArrayTags[numberTag] =\ntypedArrayTags[objectTag] = typedArrayTags[regexpTag] =\ntypedArrayTags[setTag] = typedArrayTags[stringTag] =\ntypedArrayTags[weakMapTag] = false;\n\n/**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\nfunction baseIsTypedArray(value) {\n  return isObjectLike(value) &&\n    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n}\n\nexport default baseIsTypedArray;\n","/**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\nfunction baseUnary(func) {\n  return function(value) {\n    return func(value);\n  };\n}\n\nexport default baseUnary;\n","import freeGlobal from './_freeGlobal.js';\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Detect free variable `process` from Node.js. */\nvar freeProcess = moduleExports && freeGlobal.process;\n\n/** Used to access faster Node.js helpers. */\nvar nodeUtil = (function() {\n  try {\n    // Use `util.types` for Node.js 10+.\n    var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n    if (types) {\n      return types;\n    }\n\n    // Legacy `process.binding('util')` for Node.js < 10.\n    return freeProcess && freeProcess.binding && freeProcess.binding('util');\n  } catch (e) {}\n}());\n\nexport default nodeUtil;\n","import baseIsTypedArray from './_baseIsTypedArray.js';\nimport baseUnary from './_baseUnary.js';\nimport nodeUtil from './_nodeUtil.js';\n\n/* Node.js helper references. */\nvar nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n/**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\nvar isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\nexport default isTypedArray;\n","import baseTimes from './_baseTimes.js';\nimport isArguments from './isArguments.js';\nimport isArray from './isArray.js';\nimport isBuffer from './isBuffer.js';\nimport isIndex from './_isIndex.js';\nimport isTypedArray from './isTypedArray.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\nfunction arrayLikeKeys(value, inherited) {\n  var isArr = isArray(value),\n      isArg = !isArr && isArguments(value),\n      isBuff = !isArr && !isArg && isBuffer(value),\n      isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n      skipIndexes = isArr || isArg || isBuff || isType,\n      result = skipIndexes ? baseTimes(value.length, String) : [],\n      length = result.length;\n\n  for (var key in value) {\n    if ((inherited || hasOwnProperty.call(value, key)) &&\n        !(skipIndexes && (\n           // Safari 9 has enumerable `arguments.length` in strict mode.\n           key == 'length' ||\n           // Node.js 0.10 has enumerable non-index properties on buffers.\n           (isBuff && (key == 'offset' || key == 'parent')) ||\n           // PhantomJS 2 has enumerable non-index properties on typed arrays.\n           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n           // Skip index properties.\n           isIndex(key, length)\n        ))) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default arrayLikeKeys;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\nfunction isPrototype(value) {\n  var Ctor = value && value.constructor,\n      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n  return value === proto;\n}\n\nexport default isPrototype;\n","/**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction nativeKeysIn(object) {\n  var result = [];\n  if (object != null) {\n    for (var key in Object(object)) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default nativeKeysIn;\n","import isObject from './isObject.js';\nimport isPrototype from './_isPrototype.js';\nimport nativeKeysIn from './_nativeKeysIn.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction baseKeysIn(object) {\n  if (!isObject(object)) {\n    return nativeKeysIn(object);\n  }\n  var isProto = isPrototype(object),\n      result = [];\n\n  for (var key in object) {\n    if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default baseKeysIn;\n","import arrayLikeKeys from './_arrayLikeKeys.js';\nimport baseKeysIn from './_baseKeysIn.js';\nimport isArrayLike from './isArrayLike.js';\n\n/**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n *   this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\nfunction keysIn(object) {\n  return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n}\n\nexport default keysIn;\n","import copyObject from './_copyObject.js';\nimport createAssigner from './_createAssigner.js';\nimport keysIn from './keysIn.js';\n\n/**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n * }\n *\n * function Bar() {\n *   this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\nvar assignIn = createAssigner(function(object, source) {\n  copyObject(source, keysIn(source), object);\n});\n\nexport default assignIn;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/observablemixin\n */\n\nimport EmitterMixin from './emittermixin';\nimport CKEditorError from './ckeditorerror';\nimport { extend, isObject } from 'lodash-es';\n\nconst observablePropertiesSymbol = Symbol( 'observableProperties' );\nconst boundObservablesSymbol = Symbol( 'boundObservables' );\nconst boundPropertiesSymbol = Symbol( 'boundProperties' );\n\nconst _decoratedMethods = Symbol( 'decoratedMethods' );\nconst _decoratedOriginal = Symbol( 'decoratedOriginal' );\n\n/**\n * A mixin that injects the \"observable properties\" and data binding functionality described in the\n * {@link ~Observable} interface.\n *\n * Read more about the concept of observables in the:\n * * {@glink framework/guides/architecture/core-editor-architecture#event-system-and-observables Event system and observables}\n * section of the {@glink framework/guides/architecture/core-editor-architecture Core editor architecture} guide,\n * * {@glink framework/guides/deep-dive/observables Observables deep dive} guide.\n *\n * @mixin ObservableMixin\n * @mixes module:utils/emittermixin~EmitterMixin\n * @implements module:utils/observablemixin~Observable\n */\nconst ObservableMixin = {\n\t/**\n\t * @inheritDoc\n\t */\n\tset( name, value ) {\n\t\t// If the first parameter is an Object, iterate over its properties.\n\t\tif ( isObject( name ) ) {\n\t\t\tObject.keys( name ).forEach( property => {\n\t\t\t\tthis.set( property, name[ property ] );\n\t\t\t}, this );\n\n\t\t\treturn;\n\t\t}\n\n\t\tinitObservable( this );\n\n\t\tconst properties = this[ observablePropertiesSymbol ];\n\n\t\tif ( ( name in this ) && !properties.has( name ) ) {\n\t\t\t/**\n\t\t\t * Cannot override an existing property.\n\t\t\t *\n\t\t\t * This error is thrown when trying to {@link ~Observable#set set} a property with\n\t\t\t * a name of an already existing property. For example:\n\t\t\t *\n\t\t\t *\t\tlet observable = new Model();\n\t\t\t *\t\tobservable.property = 1;\n\t\t\t *\t\tobservable.set( 'property', 2 );\t\t\t// throws\n\t\t\t *\n\t\t\t *\t\tobservable.set( 'property', 1 );\n\t\t\t *\t\tobservable.set( 'property', 2 );\t\t\t// ok, because this is an existing property.\n\t\t\t *\n\t\t\t * @error observable-set-cannot-override\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'observable-set-cannot-override', this );\n\t\t}\n\n\t\tObject.defineProperty( this, name, {\n\t\t\tenumerable: true,\n\t\t\tconfigurable: true,\n\n\t\t\tget() {\n\t\t\t\treturn properties.get( name );\n\t\t\t},\n\n\t\t\tset( value ) {\n\t\t\t\tconst oldValue = properties.get( name );\n\n\t\t\t\t// Fire `set` event before the new value will be set to make it possible\n\t\t\t\t// to override observable property without affecting `change` event.\n\t\t\t\t// See https://github.com/ckeditor/ckeditor5-utils/issues/171.\n\t\t\t\tlet newValue = this.fire( 'set:' + name, name, value, oldValue );\n\n\t\t\t\tif ( newValue === undefined ) {\n\t\t\t\t\tnewValue = value;\n\t\t\t\t}\n\n\t\t\t\t// Allow undefined as an initial value like A.define( 'x', undefined ) (#132).\n\t\t\t\t// Note: When properties map has no such own property, then its value is undefined.\n\t\t\t\tif ( oldValue !== newValue || !properties.has( name ) ) {\n\t\t\t\t\tproperties.set( name, newValue );\n\t\t\t\t\tthis.fire( 'change:' + name, name, newValue, oldValue );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\tthis[ name ] = value;\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tbind( ...bindProperties ) {\n\t\tif ( !bindProperties.length || !isStringArray( bindProperties ) ) {\n\t\t\t/**\n\t\t\t * All properties must be strings.\n\t\t\t *\n\t\t\t * @error observable-bind-wrong-properties\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'observable-bind-wrong-properties', this );\n\t\t}\n\n\t\tif ( ( new Set( bindProperties ) ).size !== bindProperties.length ) {\n\t\t\t/**\n\t\t\t * Properties must be unique.\n\t\t\t *\n\t\t\t * @error observable-bind-duplicate-properties\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'observable-bind-duplicate-properties', this );\n\t\t}\n\n\t\tinitObservable( this );\n\n\t\tconst boundProperties = this[ boundPropertiesSymbol ];\n\n\t\tbindProperties.forEach( propertyName => {\n\t\t\tif ( boundProperties.has( propertyName ) ) {\n\t\t\t\t/**\n\t\t\t\t * Cannot bind the same property more than once.\n\t\t\t\t *\n\t\t\t\t * @error observable-bind-rebind\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'observable-bind-rebind', this );\n\t\t\t}\n\t\t} );\n\n\t\tconst bindings = new Map();\n\n\t\t// @typedef {Object} Binding\n\t\t// @property {Array} property Property which is bound.\n\t\t// @property {Array} to Array of observable–property components of the binding (`{ observable: ..., property: .. }`).\n\t\t// @property {Array} callback A function which processes `to` components.\n\t\tbindProperties.forEach( a => {\n\t\t\tconst binding = { property: a, to: [] };\n\n\t\t\tboundProperties.set( a, binding );\n\t\t\tbindings.set( a, binding );\n\t\t} );\n\n\t\t// @typedef {Object} BindChain\n\t\t// @property {Function} to See {@link ~ObservableMixin#_bindTo}.\n\t\t// @property {Function} toMany See {@link ~ObservableMixin#_bindToMany}.\n\t\t// @property {module:utils/observablemixin~Observable} _observable The observable which initializes the binding.\n\t\t// @property {Array} _bindProperties Array of `_observable` properties to be bound.\n\t\t// @property {Array} _to Array of `to()` observable–properties (`{ observable: toObservable, properties: ...toProperties }`).\n\t\t// @property {Map} _bindings Stores bindings to be kept in\n\t\t// {@link ~ObservableMixin#_boundProperties}/{@link ~ObservableMixin#_boundObservables}\n\t\t// initiated in this binding chain.\n\t\treturn {\n\t\t\tto: bindTo,\n\t\t\ttoMany: bindToMany,\n\n\t\t\t_observable: this,\n\t\t\t_bindProperties: bindProperties,\n\t\t\t_to: [],\n\t\t\t_bindings: bindings\n\t\t};\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tunbind( ...unbindProperties ) {\n\t\t// Nothing to do here if not inited yet.\n\t\tif ( !( this[ observablePropertiesSymbol ] ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst boundProperties = this[ boundPropertiesSymbol ];\n\t\tconst boundObservables = this[ boundObservablesSymbol ];\n\n\t\tif ( unbindProperties.length ) {\n\t\t\tif ( !isStringArray( unbindProperties ) ) {\n\t\t\t\t/**\n\t\t\t\t * Properties must be strings.\n\t\t\t\t *\n\t\t\t\t * @error observable-unbind-wrong-properties\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'observable-unbind-wrong-properties', this );\n\t\t\t}\n\n\t\t\tunbindProperties.forEach( propertyName => {\n\t\t\t\tconst binding = boundProperties.get( propertyName );\n\n\t\t\t\t// Nothing to do if the binding is not defined\n\t\t\t\tif ( !binding ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tlet toObservable, toProperty, toProperties, toPropertyBindings;\n\n\t\t\t\tbinding.to.forEach( to => {\n\t\t\t\t\t// TODO: ES6 destructuring.\n\t\t\t\t\ttoObservable = to[ 0 ];\n\t\t\t\t\ttoProperty = to[ 1 ];\n\t\t\t\t\ttoProperties = boundObservables.get( toObservable );\n\t\t\t\t\ttoPropertyBindings = toProperties[ toProperty ];\n\n\t\t\t\t\ttoPropertyBindings.delete( binding );\n\n\t\t\t\t\tif ( !toPropertyBindings.size ) {\n\t\t\t\t\t\tdelete toProperties[ toProperty ];\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( !Object.keys( toProperties ).length ) {\n\t\t\t\t\t\tboundObservables.delete( toObservable );\n\t\t\t\t\t\tthis.stopListening( toObservable, 'change' );\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\t\tboundProperties.delete( propertyName );\n\t\t\t} );\n\t\t} else {\n\t\t\tboundObservables.forEach( ( bindings, boundObservable ) => {\n\t\t\t\tthis.stopListening( boundObservable, 'change' );\n\t\t\t} );\n\n\t\t\tboundObservables.clear();\n\t\t\tboundProperties.clear();\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdecorate( methodName ) {\n\t\tconst originalMethod = this[ methodName ];\n\n\t\tif ( !originalMethod ) {\n\t\t\t/**\n\t\t\t * Cannot decorate an undefined method.\n\t\t\t *\n\t\t\t * @error observablemixin-cannot-decorate-undefined\n\t\t\t * @param {Object} object The object which method should be decorated.\n\t\t\t * @param {String} methodName Name of the method which does not exist.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'observablemixin-cannot-decorate-undefined',\n\t\t\t\tthis,\n\t\t\t\t{ object: this, methodName }\n\t\t\t);\n\t\t}\n\n\t\tthis.on( methodName, ( evt, args ) => {\n\t\t\tevt.return = originalMethod.apply( this, args );\n\t\t} );\n\n\t\tthis[ methodName ] = function( ...args ) {\n\t\t\treturn this.fire( methodName, args );\n\t\t};\n\n\t\tthis[ methodName ][ _decoratedOriginal ] = originalMethod;\n\n\t\tif ( !this[ _decoratedMethods ] ) {\n\t\t\tthis[ _decoratedMethods ] = [];\n\t\t}\n\n\t\tthis[ _decoratedMethods ].push( methodName );\n\t}\n};\n\nextend( ObservableMixin, EmitterMixin );\n\n// Override the EmitterMixin stopListening method to be able to clean (and restore) decorated methods.\n// This is needed in case of:\n//  1. Have x.foo() decorated.\n//  2. Call x.stopListening()\n//  3. Call x.foo(). Problem: nothing happens (the original foo() method is not executed)\nObservableMixin.stopListening = function( emitter, event, callback ) {\n\t// Removing all listeners so let's clean the decorated methods to the original state.\n\tif ( !emitter && this[ _decoratedMethods ] ) {\n\t\tfor ( const methodName of this[ _decoratedMethods ] ) {\n\t\t\tthis[ methodName ] = this[ methodName ][ _decoratedOriginal ];\n\t\t}\n\n\t\tdelete this[ _decoratedMethods ];\n\t}\n\n\tEmitterMixin.stopListening.call( this, emitter, event, callback );\n};\n\nexport default ObservableMixin;\n\n// Init symbol properties needed for the observable mechanism to work.\n//\n// @private\n// @param {module:utils/observablemixin~ObservableMixin} observable\nfunction initObservable( observable ) {\n\t// Do nothing if already inited.\n\tif ( observable[ observablePropertiesSymbol ] ) {\n\t\treturn;\n\t}\n\n\t// The internal hash containing the observable's state.\n\t//\n\t// @private\n\t// @type {Map}\n\tObject.defineProperty( observable, observablePropertiesSymbol, {\n\t\tvalue: new Map()\n\t} );\n\n\t// Map containing bindings to external observables. It shares the binding objects\n\t// (`{ observable: A, property: 'a', to: ... }`) with {@link module:utils/observablemixin~ObservableMixin#_boundProperties} and\n\t// it is used to observe external observables to update own properties accordingly.\n\t// See {@link module:utils/observablemixin~ObservableMixin#bind}.\n\t//\n\t//\t\tA.bind( 'a', 'b', 'c' ).to( B, 'x', 'y', 'x' );\n\t//\t\tconsole.log( A._boundObservables );\n\t//\n\t//\t\t\tMap( {\n\t//\t\t\t\tB: {\n\t//\t\t\t\t\tx: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'a', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\t\t\t{ observable: A, property: 'c', to: [ [ B, 'x' ] ] }\n\t//\t\t\t\t\t] ),\n\t//\t\t\t\t\ty: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n\t//\t\t\t\t\t] )\n\t//\t\t\t\t}\n\t//\t\t\t} )\n\t//\n\t//\t\tA.bind( 'd' ).to( B, 'z' ).to( C, 'w' ).as( callback );\n\t//\t\tconsole.log( A._boundObservables );\n\t//\n\t//\t\t\tMap( {\n\t//\t\t\t\tB: {\n\t//\t\t\t\t\tx: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'a', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\t\t\t{ observable: A, property: 'c', to: [ [ B, 'x' ] ] }\n\t//\t\t\t\t\t] ),\n\t//\t\t\t\t\ty: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n\t//\t\t\t\t\t] ),\n\t//\t\t\t\t\tz: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'd', to: [ [ B, 'z' ], [ C, 'w' ] ], callback: callback }\n\t//\t\t\t\t\t] )\n\t//\t\t\t\t},\n\t//\t\t\t\tC: {\n\t//\t\t\t\t\tw: Set( [\n\t//\t\t\t\t\t\t{ observable: A, property: 'd', to: [ [ B, 'z' ], [ C, 'w' ] ], callback: callback }\n\t//\t\t\t\t\t] )\n\t//\t\t\t\t}\n\t//\t\t\t} )\n\t//\n\t// @private\n\t// @type {Map}\n\tObject.defineProperty( observable, boundObservablesSymbol, {\n\t\tvalue: new Map()\n\t} );\n\n\t// Object that stores which properties of this observable are bound and how. It shares\n\t// the binding objects (`{ observable: A, property: 'a', to: ... }`) with\n\t// {@link module:utils/observablemixin~ObservableMixin#_boundObservables}. This data structure is\n\t// a reverse of {@link module:utils/observablemixin~ObservableMixin#_boundObservables} and it is helpful for\n\t// {@link module:utils/observablemixin~ObservableMixin#unbind}.\n\t//\n\t// See {@link module:utils/observablemixin~ObservableMixin#bind}.\n\t//\n\t//\t\tA.bind( 'a', 'b', 'c' ).to( B, 'x', 'y', 'x' );\n\t//\t\tconsole.log( A._boundProperties );\n\t//\n\t//\t\t\tMap( {\n\t//\t\t\t\ta: { observable: A, property: 'a', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\tb: { observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n\t//\t\t\t\tc: { observable: A, property: 'c', to: [ [ B, 'x' ] ] }\n\t//\t\t\t} )\n\t//\n\t//\t\tA.bind( 'd' ).to( B, 'z' ).to( C, 'w' ).as( callback );\n\t//\t\tconsole.log( A._boundProperties );\n\t//\n\t//\t\t\tMap( {\n\t//\t\t\t\ta: { observable: A, property: 'a', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\tb: { observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n\t//\t\t\t\tc: { observable: A, property: 'c', to: [ [ B, 'x' ] ] },\n\t//\t\t\t\td: { observable: A, property: 'd', to: [ [ B, 'z' ], [ C, 'w' ] ], callback: callback }\n\t//\t\t\t} )\n\t//\n\t// @private\n\t// @type {Map}\n\tObject.defineProperty( observable, boundPropertiesSymbol, {\n\t\tvalue: new Map()\n\t} );\n}\n\n// A chaining for {@link module:utils/observablemixin~ObservableMixin#bind} providing `.to()` interface.\n//\n// @private\n// @param {...[Observable|String|Function]} args Arguments of the `.to( args )` binding.\nfunction bindTo( ...args ) {\n\tconst parsedArgs = parseBindToArgs( ...args );\n\tconst bindingsKeys = Array.from( this._bindings.keys() );\n\tconst numberOfBindings = bindingsKeys.length;\n\n\t// Eliminate A.bind( 'x' ).to( B, C )\n\tif ( !parsedArgs.callback && parsedArgs.to.length > 1 ) {\n\t\t/**\n\t\t * Binding multiple observables only possible with callback.\n\t\t *\n\t\t * @error observable-bind-to-no-callback\n\t\t */\n\t\tthrow new CKEditorError( 'observable-bind-to-no-callback', this );\n\t}\n\n\t// Eliminate A.bind( 'x', 'y' ).to( B, callback )\n\tif ( numberOfBindings > 1 && parsedArgs.callback ) {\n\t\t/**\n\t\t * Cannot bind multiple properties and use a callback in one binding.\n\t\t *\n\t\t * @error observable-bind-to-extra-callback\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'observable-bind-to-extra-callback',\n\t\t\tthis\n\t\t);\n\t}\n\n\tparsedArgs.to.forEach( to => {\n\t\t// Eliminate A.bind( 'x', 'y' ).to( B, 'a' )\n\t\tif ( to.properties.length && to.properties.length !== numberOfBindings ) {\n\t\t\t/**\n\t\t\t * The number of properties must match.\n\t\t\t *\n\t\t\t * @error observable-bind-to-properties-length\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'observable-bind-to-properties-length', this );\n\t\t}\n\n\t\t// When no to.properties specified, observing source properties instead i.e.\n\t\t// A.bind( 'x', 'y' ).to( B ) -> Observe B.x and B.y\n\t\tif ( !to.properties.length ) {\n\t\t\tto.properties = this._bindProperties;\n\t\t}\n\t} );\n\n\tthis._to = parsedArgs.to;\n\n\t// Fill {@link BindChain#_bindings} with callback. When the callback is set there's only one binding.\n\tif ( parsedArgs.callback ) {\n\t\tthis._bindings.get( bindingsKeys[ 0 ] ).callback = parsedArgs.callback;\n\t}\n\n\tattachBindToListeners( this._observable, this._to );\n\n\t// Update observable._boundProperties and observable._boundObservables.\n\tupdateBindToBound( this );\n\n\t// Set initial values of bound properties.\n\tthis._bindProperties.forEach( propertyName => {\n\t\tupdateBoundObservableProperty( this._observable, propertyName );\n\t} );\n}\n\n// Binds to an attribute in a set of iterable observables.\n//\n// @private\n// @param {Array.<Observable>} observables\n// @param {String} attribute\n// @param {Function} callback\nfunction bindToMany( observables, attribute, callback ) {\n\tif ( this._bindings.size > 1 ) {\n\t\t/**\n\t\t * Binding one attribute to many observables only possible with one attribute.\n\t\t *\n\t\t * @error observable-bind-to-many-not-one-binding\n\t\t */\n\t\tthrow new CKEditorError( 'observable-bind-to-many-not-one-binding', this );\n\t}\n\n\tthis.to(\n\t\t// Bind to #attribute of each observable...\n\t\t...getBindingTargets( observables, attribute ),\n\t\t// ...using given callback to parse attribute values.\n\t\tcallback\n\t);\n}\n\n// Returns an array of binding components for\n// {@link Observable#bind} from a set of iterable observables.\n//\n// @param {Array.<Observable>} observables\n// @param {String} attribute\n// @returns {Array.<String|Observable>}\nfunction getBindingTargets( observables, attribute ) {\n\tconst observableAndAttributePairs = observables.map( observable => [ observable, attribute ] );\n\n\t// Merge pairs to one-dimension array of observables and attributes.\n\treturn Array.prototype.concat.apply( [], observableAndAttributePairs );\n}\n\n// Check if all entries of the array are of `String` type.\n//\n// @private\n// @param {Array} arr An array to be checked.\n// @returns {Boolean}\nfunction isStringArray( arr ) {\n\treturn arr.every( a => typeof a == 'string' );\n}\n\n// Parses and validates {@link Observable#bind}`.to( args )` arguments and returns\n// an object with a parsed structure. For example\n//\n//\t\tA.bind( 'x' ).to( B, 'a', C, 'b', call );\n//\n// becomes\n//\n//\t\t{\n//\t\t\tto: [\n//\t\t\t\t{ observable: B, properties: [ 'a' ] },\n//\t\t\t\t{ observable: C, properties: [ 'b' ] },\n//\t\t\t],\n//\t\t\tcallback: call\n// \t\t}\n//\n// @private\n// @param {...*} args Arguments of {@link Observable#bind}`.to( args )`.\n// @returns {Object}\nfunction parseBindToArgs( ...args ) {\n\t// Eliminate A.bind( 'x' ).to()\n\tif ( !args.length ) {\n\t\t/**\n\t\t * Invalid argument syntax in `to()`.\n\t\t *\n\t\t * @error observable-bind-to-parse-error\n\t\t */\n\t\tthrow new CKEditorError( 'observable-bind-to-parse-error', null );\n\t}\n\n\tconst parsed = { to: [] };\n\tlet lastObservable;\n\n\tif ( typeof args[ args.length - 1 ] == 'function' ) {\n\t\tparsed.callback = args.pop();\n\t}\n\n\targs.forEach( a => {\n\t\tif ( typeof a == 'string' ) {\n\t\t\tlastObservable.properties.push( a );\n\t\t} else if ( typeof a == 'object' ) {\n\t\t\tlastObservable = { observable: a, properties: [] };\n\t\t\tparsed.to.push( lastObservable );\n\t\t} else {\n\t\t\tthrow new CKEditorError( 'observable-bind-to-parse-error', null );\n\t\t}\n\t} );\n\n\treturn parsed;\n}\n\n// Synchronizes {@link module:utils/observablemixin#_boundObservables} with {@link Binding}.\n//\n// @private\n// @param {Binding} binding A binding to store in {@link Observable#_boundObservables}.\n// @param {Observable} toObservable A observable, which is a new component of `binding`.\n// @param {String} toPropertyName A name of `toObservable`'s property, a new component of the `binding`.\nfunction updateBoundObservables( observable, binding, toObservable, toPropertyName ) {\n\tconst boundObservables = observable[ boundObservablesSymbol ];\n\tconst bindingsToObservable = boundObservables.get( toObservable );\n\tconst bindings = bindingsToObservable || {};\n\n\tif ( !bindings[ toPropertyName ] ) {\n\t\tbindings[ toPropertyName ] = new Set();\n\t}\n\n\t// Pass the binding to a corresponding Set in `observable._boundObservables`.\n\tbindings[ toPropertyName ].add( binding );\n\n\tif ( !bindingsToObservable ) {\n\t\tboundObservables.set( toObservable, bindings );\n\t}\n}\n\n// Synchronizes {@link Observable#_boundProperties} and {@link Observable#_boundObservables}\n// with {@link BindChain}.\n//\n// Assuming the following binding being created\n//\n// \t\tA.bind( 'a', 'b' ).to( B, 'x', 'y' );\n//\n// the following bindings were initialized by {@link Observable#bind} in {@link BindChain#_bindings}:\n//\n// \t\t{\n// \t\t\ta: { observable: A, property: 'a', to: [] },\n// \t\t\tb: { observable: A, property: 'b', to: [] },\n// \t\t}\n//\n// Iterate over all bindings in this chain and fill their `to` properties with\n// corresponding to( ... ) arguments (components of the binding), so\n//\n// \t\t{\n// \t\t\ta: { observable: A, property: 'a', to: [ B, 'x' ] },\n// \t\t\tb: { observable: A, property: 'b', to: [ B, 'y' ] },\n// \t\t}\n//\n// Then update the structure of {@link Observable#_boundObservables} with updated\n// binding, so it becomes:\n//\n// \t\tMap( {\n// \t\t\tB: {\n// \t\t\t\tx: Set( [\n// \t\t\t\t\t{ observable: A, property: 'a', to: [ [ B, 'x' ] ] }\n// \t\t\t\t] ),\n// \t\t\t\ty: Set( [\n// \t\t\t\t\t{ observable: A, property: 'b', to: [ [ B, 'y' ] ] },\n// \t\t\t\t] )\n//\t\t\t}\n// \t\t} )\n//\n// @private\n// @param {BindChain} chain The binding initialized by {@link Observable#bind}.\nfunction updateBindToBound( chain ) {\n\tlet toProperty;\n\n\tchain._bindings.forEach( ( binding, propertyName ) => {\n\t\t// Note: For a binding without a callback, this will run only once\n\t\t// like in A.bind( 'x', 'y' ).to( B, 'a', 'b' )\n\t\t// TODO: ES6 destructuring.\n\t\tchain._to.forEach( to => {\n\t\t\ttoProperty = to.properties[ binding.callback ? 0 : chain._bindProperties.indexOf( propertyName ) ];\n\n\t\t\tbinding.to.push( [ to.observable, toProperty ] );\n\t\t\tupdateBoundObservables( chain._observable, binding, to.observable, toProperty );\n\t\t} );\n\t} );\n}\n\n// Updates an property of a {@link Observable} with a value\n// determined by an entry in {@link Observable#_boundProperties}.\n//\n// @private\n// @param {Observable} observable A observable which property is to be updated.\n// @param {String} propertyName An property to be updated.\nfunction updateBoundObservableProperty( observable, propertyName ) {\n\tconst boundProperties = observable[ boundPropertiesSymbol ];\n\tconst binding = boundProperties.get( propertyName );\n\tlet propertyValue;\n\n\t// When a binding with callback is created like\n\t//\n\t// \t\tA.bind( 'a' ).to( B, 'b', C, 'c', callback );\n\t//\n\t// collect B.b and C.c, then pass them to callback to set A.a.\n\tif ( binding.callback ) {\n\t\tpropertyValue = binding.callback.apply( observable, binding.to.map( to => to[ 0 ][ to[ 1 ] ] ) );\n\t} else {\n\t\tpropertyValue = binding.to[ 0 ];\n\t\tpropertyValue = propertyValue[ 0 ][ propertyValue[ 1 ] ];\n\t}\n\n\tif ( Object.prototype.hasOwnProperty.call( observable, propertyName ) ) {\n\t\tobservable[ propertyName ] = propertyValue;\n\t} else {\n\t\tobservable.set( propertyName, propertyValue );\n\t}\n}\n\n// Starts listening to changes in {@link BindChain._to} observables to update\n// {@link BindChain._observable} {@link BindChain._bindProperties}. Also sets the\n// initial state of {@link BindChain._observable}.\n//\n// @private\n// @param {BindChain} chain The chain initialized by {@link Observable#bind}.\nfunction attachBindToListeners( observable, toBindings ) {\n\ttoBindings.forEach( to => {\n\t\tconst boundObservables = observable[ boundObservablesSymbol ];\n\t\tlet bindings;\n\n\t\t// If there's already a chain between the observables (`observable` listens to\n\t\t// `to.observable`), there's no need to create another `change` event listener.\n\t\tif ( !boundObservables.get( to.observable ) ) {\n\t\t\tobservable.listenTo( to.observable, 'change', ( evt, propertyName ) => {\n\t\t\t\tbindings = boundObservables.get( to.observable )[ propertyName ];\n\n\t\t\t\t// Note: to.observable will fire for any property change, react\n\t\t\t\t// to changes of properties which are bound only.\n\t\t\t\tif ( bindings ) {\n\t\t\t\t\tbindings.forEach( binding => {\n\t\t\t\t\t\tupdateBoundObservableProperty( observable, binding.property );\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t} );\n}\n\n/**\n * An interface which adds \"observable properties\" and data binding functionality.\n *\n * Can be easily implemented by a class by mixing the {@link module:utils/observablemixin~ObservableMixin} mixin.\n *\n * Read more about the usage of this interface in the:\n * * {@glink framework/guides/architecture/core-editor-architecture#event-system-and-observables Event system and observables}\n * section of the {@glink framework/guides/architecture/core-editor-architecture Core editor architecture} guide,\n * * {@glink framework/guides/deep-dive/observables Observables deep dive} guide.\n *\n * @interface Observable\n * @extends module:utils/emittermixin~Emitter\n */\n\n/**\n * Fired when a property changed value.\n *\n *\t\tobservable.set( 'prop', 1 );\n *\n *\t\tobservable.on( 'change:prop', ( evt, propertyName, newValue, oldValue ) => {\n *\t\t\tconsole.log( `${ propertyName } has changed from ${ oldValue } to ${ newValue }` );\n *\t\t} );\n *\n *\t\tobservable.prop = 2; // -> 'prop has changed from 1 to 2'\n *\n * @event change:{property}\n * @param {String} name The property name.\n * @param {*} value The new property value.\n * @param {*} oldValue The previous property value.\n */\n\n/**\n * Fired when a property value is going to be set but is not set yet (before the `change` event is fired).\n *\n * You can control the final value of the property by using\n * the {@link module:utils/eventinfo~EventInfo#return event's `return` property}.\n *\n *\t\tobservable.set( 'prop', 1 );\n *\n *\t\tobservable.on( 'set:prop', ( evt, propertyName, newValue, oldValue ) => {\n *\t\t\tconsole.log( `Value is going to be changed from ${ oldValue } to ${ newValue }` );\n *\t\t\tconsole.log( `Current property value is ${ observable[ propertyName ] }` );\n *\n *\t\t\t// Let's override the value.\n *\t\t\tevt.return = 3;\n *\t\t} );\n *\n *\t\tobservable.on( 'change:prop', ( evt, propertyName, newValue, oldValue ) => {\n *\t\t\tconsole.log( `Value has changed from ${ oldValue } to ${ newValue }` );\n *\t\t} );\n *\n *\t\tobservable.prop = 2; // -> 'Value is going to be changed from 1 to 2'\n *\t\t                     // -> 'Current property value is 1'\n *\t\t                     // -> 'Value has changed from 1 to 3'\n *\n * **Note:** The event is fired even when the new value is the same as the old value.\n *\n * @event set:{property}\n * @param {String} name The property name.\n * @param {*} value The new property value.\n * @param {*} oldValue The previous property value.\n */\n\n/**\n * Creates and sets the value of an observable property of this object. Such a property becomes a part\n * of the state and is observable.\n *\n * It accepts also a single object literal containing key/value pairs with properties to be set.\n *\n * This method throws the `observable-set-cannot-override` error if the observable instance already\n * has a property with the given property name. This prevents from mistakenly overriding existing\n * properties and methods, but means that `foo.set( 'bar', 1 )` may be slightly slower than `foo.bar = 1`.\n *\n * @method #set\n * @param {String|Object} name The property's name or object with `name=>value` pairs.\n * @param {*} [value] The property's value (if `name` was passed in the first parameter).\n */\n\n/**\n * Binds {@link #set observable properties} to other objects implementing the\n * {@link module:utils/observablemixin~Observable} interface.\n *\n * Read more in the {@glink framework/guides/deep-dive/observables#property-bindings dedicated guide}\n * covering the topic of property bindings with some additional examples.\n *\n * Consider two objects: a `button` and an associated `command` (both `Observable`).\n *\n * A simple property binding could be as follows:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command, 'isEnabled' );\n *\n * or even shorter:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command );\n *\n * which works in the following way:\n *\n * * `button.isEnabled` **instantly equals** `command.isEnabled`,\n * * whenever `command.isEnabled` changes, `button.isEnabled` will immediately reflect its value.\n *\n * **Note**: To release the binding, use {@link module:utils/observablemixin~Observable#unbind}.\n *\n * You can also \"rename\" the property in the binding by specifying the new name in the `to()` chain:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command, 'isWorking' );\n *\n * It is possible to bind more than one property at a time to shorten the code:\n *\n *\t\tbutton.bind( 'isEnabled', 'value' ).to( command );\n *\n * which corresponds to:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command );\n *\t\tbutton.bind( 'value' ).to( command );\n *\n * The binding can include more than one observable, combining multiple data sources in a custom callback:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command, 'isEnabled', ui, 'isVisible',\n *\t\t\t( isCommandEnabled, isUIVisible ) => isCommandEnabled && isUIVisible );\n *\n * Using a custom callback allows processing the value before passing it to the target property:\n *\n *\t\tbutton.bind( 'isEnabled' ).to( command, 'value', value => value === 'heading1' );\n *\n * It is also possible to bind to the same property in an array of observables.\n * To bind a `button` to multiple commands (also `Observables`) so that each and every one of them\n * must be enabled for the button to become enabled, use the following code:\n *\n *\t\tbutton.bind( 'isEnabled' ).toMany( [ commandA, commandB, commandC ], 'isEnabled',\n *\t\t\t( isAEnabled, isBEnabled, isCEnabled ) => isAEnabled && isBEnabled && isCEnabled );\n *\n * @method #bind\n * @param {...String} bindProperties Observable properties that will be bound to other observable(s).\n * @returns {Object} The bind chain with the `to()` and `toMany()` methods.\n */\n\n/**\n * Removes the binding created with {@link #bind}.\n *\n *\t\t// Removes the binding for the 'a' property.\n *\t\tA.unbind( 'a' );\n *\n *\t\t// Removes bindings for all properties.\n *\t\tA.unbind();\n *\n * @method #unbind\n * @param {...String} [unbindProperties] Observable properties to be unbound. All the bindings will\n * be released if no properties are provided.\n */\n\n/**\n * Turns the given methods of this object into event-based ones. This means that the new method will fire an event\n * (named after the method) and the original action will be plugged as a listener to that event.\n *\n * Read more in the {@glink framework/guides/deep-dive/observables#decorating-object-methods dedicated guide}\n * covering the topic of decorating methods with some additional examples.\n *\n * Decorating the method does not change its behavior (it only adds an event),\n * but it allows to modify it later on by listening to the method's event.\n *\n * For example, to cancel the method execution the event can be {@link module:utils/eventinfo~EventInfo#stop stopped}:\n *\n *\t\tclass Foo {\n *\t\t\tconstructor() {\n *\t\t\t\tthis.decorate( 'method' );\n *\t\t\t}\n *\n *\t\t\tmethod() {\n *\t\t\t\tconsole.log( 'called!' );\n *\t\t\t}\n *\t\t}\n *\n *\t\tconst foo = new Foo();\n *\t\tfoo.on( 'method', ( evt ) => {\n *\t\t\tevt.stop();\n *\t\t}, { priority: 'high' } );\n *\n *\t\tfoo.method(); // Nothing is logged.\n *\n *\n * **Note**: The high {@link module:utils/priorities~PriorityString priority} listener\n * has been used to execute this particular callback before the one which calls the original method\n * (which uses the \"normal\" priority).\n *\n * It is also possible to change the returned value:\n *\n *\t\tfoo.on( 'method', ( evt ) => {\n *\t\t\tevt.return = 'Foo!';\n *\t\t} );\n *\n *\t\tfoo.method(); // -> 'Foo'\n *\n * Finally, it is possible to access and modify the arguments the method is called with:\n *\n *\t\tmethod( a, b ) {\n *\t\t\tconsole.log( `${ a }, ${ b }`  );\n *\t\t}\n *\n *\t\t// ...\n *\n *\t\tfoo.on( 'method', ( evt, args ) => {\n *\t\t\targs[ 0 ] = 3;\n *\n *\t\t\tconsole.log( args[ 1 ] ); // -> 2\n *\t\t}, { priority: 'high' } );\n *\n *\t\tfoo.method( 1, 2 ); // -> '3, 2'\n *\n * @method #decorate\n * @param {String} methodName Name of the method to decorate.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/mix\n */\n\n/**\n * Copies enumerable properties and symbols from the objects given as 2nd+ parameters to the\n * prototype of first object (a constructor).\n *\n *\t\tclass Editor {\n *\t\t\t...\n *\t\t}\n *\n *\t\tconst SomeMixin = {\n *\t\t\ta() {\n *\t\t\t\treturn 'a';\n *\t\t\t}\n *\t\t};\n *\n *\t\tmix( Editor, SomeMixin, ... );\n *\n *\t\tnew Editor().a(); // -> 'a'\n *\n * Note: Properties which already exist in the base class will not be overriden.\n *\n * @param {Function} [baseClass] Class which prototype will be extended.\n * @param {Object} [...mixins] Objects from which to get properties.\n */\nexport default function mix( baseClass, ...mixins ) {\n\tmixins.forEach( mixin => {\n\t\tObject.getOwnPropertyNames( mixin ).concat( Object.getOwnPropertySymbols( mixin ) )\n\t\t\t.forEach( key => {\n\t\t\t\tif ( key in baseClass.prototype ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst sourceDescriptor = Object.getOwnPropertyDescriptor( mixin, key );\n\t\t\t\tsourceDescriptor.enumerable = false;\n\n\t\t\t\tObject.defineProperty( baseClass.prototype, key, sourceDescriptor );\n\t\t\t} );\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/plugin\n */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The base class for CKEditor plugin classes.\n *\n * @implements module:core/plugin~PluginInterface\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * The editor instance.\n\t\t *\n\t\t * Note that most editors implement the {@link module:core/editor/editorwithui~EditorWithUI} interface in addition\n\t\t * to the base {@link module:core/editor/editor~Editor} interface. However, editors with an external UI\n\t\t * (i.e. Bootstrap-based) or a headless editor may not implement the {@link module:core/editor/editorwithui~EditorWithUI}\n\t\t * interface.\n\t\t *\n\t\t * Because of above, to make plugins more universal, it is recommended to split features into:\n\t\t *  - The \"editing\" part that only uses the {@link module:core/editor/editor~Editor} interface.\n\t\t *  - The \"UI\" part that uses both the {@link module:core/editor/editor~Editor} interface and\n\t\t *  the {@link module:core/editor/editorwithui~EditorWithUI} interface.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor} #editor\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * Flag indicating whether a plugin is enabled or disabled.\n\t\t * A disabled plugin will not transform text.\n\t\t *\n\t\t * Plugin can be simply disabled like that:\n\t\t *\n\t\t *\t\t// Disable the plugin so that no toolbars are visible.\n\t\t *\t\teditor.plugins.get( 'TextTransformation' ).isEnabled = false;\n\t\t *\n\t\t * You can also use {@link #forceDisabled} method.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\t/**\n\t\t * Holds identifiers for {@link #forceDisabled} mechanism.\n\t\t *\n\t\t * @type {Set.<String>}\n\t\t * @private\n\t\t */\n\t\tthis._disableStack = new Set();\n\t}\n\n\t/**\n\t * Disables the plugin.\n\t *\n\t * Plugin may be disabled by multiple features or algorithms (at once). When disabling a plugin, unique id should be passed\n\t * (e.g. feature name). The same identifier should be used when {@link #clearForceDisabled enabling back} the plugin.\n\t * The plugin becomes enabled only after all features {@link #clearForceDisabled enabled it back}.\n\t *\n\t * Disabling and enabling a plugin:\n\t *\n\t *\t\tplugin.isEnabled; // -> true\n\t *\t\tplugin.forceDisabled( 'MyFeature' );\n\t *\t\tplugin.isEnabled; // -> false\n\t *\t\tplugin.clearForceDisabled( 'MyFeature' );\n\t *\t\tplugin.isEnabled; // -> true\n\t *\n\t * Plugin disabled by multiple features:\n\t *\n\t *\t\tplugin.forceDisabled( 'MyFeature' );\n\t *\t\tplugin.forceDisabled( 'OtherFeature' );\n\t *\t\tplugin.clearForceDisabled( 'MyFeature' );\n\t *\t\tplugin.isEnabled; // -> false\n\t *\t\tplugin.clearForceDisabled( 'OtherFeature' );\n\t *\t\tplugin.isEnabled; // -> true\n\t *\n\t * Multiple disabling with the same identifier is redundant:\n\t *\n\t *\t\tplugin.forceDisabled( 'MyFeature' );\n\t *\t\tplugin.forceDisabled( 'MyFeature' );\n\t *\t\tplugin.clearForceDisabled( 'MyFeature' );\n\t *\t\tplugin.isEnabled; // -> true\n\t *\n\t * **Note:** some plugins or algorithms may have more complex logic when it comes to enabling or disabling certain plugins,\n\t * so the plugin might be still disabled after {@link #clearForceDisabled} was used.\n\t *\n\t * @param {String} id Unique identifier for disabling. Use the same id when {@link #clearForceDisabled enabling back} the plugin.\n\t */\n\tforceDisabled( id ) {\n\t\tthis._disableStack.add( id );\n\n\t\tif ( this._disableStack.size == 1 ) {\n\t\t\tthis.on( 'set:isEnabled', forceDisable, { priority: 'highest' } );\n\t\t\tthis.isEnabled = false;\n\t\t}\n\t}\n\n\t/**\n\t * Clears forced disable previously set through {@link #forceDisabled}. See {@link #forceDisabled}.\n\t *\n\t * @param {String} id Unique identifier, equal to the one passed in {@link #forceDisabled} call.\n\t */\n\tclearForceDisabled( id ) {\n\t\tthis._disableStack.delete( id );\n\n\t\tif ( this._disableStack.size == 0 ) {\n\t\t\tthis.off( 'set:isEnabled', forceDisable );\n\t\t\tthis.isEnabled = true;\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get isContextPlugin() {\n\t\treturn false;\n\t}\n}\n\nmix( Plugin, ObservableMixin );\n\n/**\n * The base interface for CKEditor plugins.\n *\n * In its minimal form a plugin can be a simple function that accepts {@link module:core/editor/editor~Editor the editor}\n * as a parameter:\n *\n *\t\t// A simple plugin that enables a data processor.\n *\t\tfunction MyPlugin( editor ) {\n *\t\t\teditor.data.processor = new MyDataProcessor();\n *\t\t}\n *\n * In most cases however, you will want to inherit from the {@link module:core/plugin~Plugin} class which implements the\n * {@link module:utils/observablemixin~ObservableMixin} and is, therefore, more convenient:\n *\n *\t\tclass MyPlugin extends Plugin {\n *\t\t\tinit() {\n *\t\t\t\t// `listenTo()` and `editor` are available thanks to `Plugin`.\n *\t\t\t\t// By using `listenTo()` you will ensure that the listener is removed when\n *\t\t\t\t// the plugin is destroyed.\n *\t\t\t\tthis.listenTo( this.editor.data, 'ready', () => {\n *\t\t\t\t\t// Do something when the data is ready.\n *\t\t\t\t} );\n *\t\t\t}\n *\t\t}\n *\n * The plugin can also implement methods (e.g. {@link module:core/plugin~PluginInterface#init `init()`} or\n * {@link module:core/plugin~PluginInterface#destroy `destroy()`}) which, when present, will be used to properly\n * initialize and destroy the plugin.\n *\n * **Note:** When defined as a plain function, the plugin acts as a constructor and will be\n * called in parallel with other plugins' {@link module:core/plugin~PluginInterface#constructor constructors}.\n * This means the code of that plugin will be executed **before** {@link module:core/plugin~PluginInterface#init `init()`} and\n * {@link module:core/plugin~PluginInterface#afterInit `afterInit()`} methods of other plugins and, for instance,\n * you cannot use it to extend other plugins' {@glink framework/guides/architecture/editing-engine#schema schema}\n * rules as they are defined later on during the `init()` stage.\n *\n * @interface PluginInterface\n */\n\n/**\n * Creates a new plugin instance. This is the first step of the plugin initialization.\n * See also {@link #init} and {@link #afterInit}.\n *\n * A plugin is always instantiated after its {@link module:core/plugin~PluginInterface.requires dependencies} and the\n * {@link #init} and {@link #afterInit} methods are called in the same order.\n *\n * Usually, you will want to put your plugin's initialization code in the {@link #init} method.\n * The constructor can be understood as \"before init\" and used in special cases, just like\n * {@link #afterInit} serves the special \"after init\" scenarios (e.g.the code which depends on other\n * plugins, but which does not {@link module:core/plugin~PluginInterface.requires explicitly require} them).\n *\n * @method #constructor\n * @param {module:core/editor/editor~Editor} editor\n */\n\n/**\n * An array of plugins required by this plugin.\n *\n * To keep the plugin class definition tight it is recommended to define this property as a static getter:\n *\n *\t\timport Image from './image.js';\n *\n *\t\texport default class ImageCaption {\n *\t\t\tstatic get requires() {\n *\t\t\t\treturn [ Image ];\n *\t\t\t}\n *\t\t}\n *\n * @static\n * @readonly\n * @member {Array.<Function>|undefined} module:core/plugin~PluginInterface.requires\n */\n\n/**\n * An optional name of the plugin. If set, the plugin will be available in\n * {@link module:core/plugincollection~PluginCollection#get} by its\n * name and its constructor. If not, then only by its constructor.\n *\n * The name should reflect the constructor name.\n *\n * To keep the plugin class definition tight, it is recommended to define this property as a static getter:\n *\n *\t\texport default class ImageCaption {\n *\t\t\tstatic get pluginName() {\n *\t\t\t\treturn 'ImageCaption';\n *\t\t\t}\n *\t\t}\n *\n * Note: The native `Function.name` property could not be used to keep the plugin name because\n * it will be mangled during code minification.\n *\n * Naming a plugin is necessary to enable removing it through the\n * {@link module:core/editor/editorconfig~EditorConfig#removePlugins `config.removePlugins`} option.\n *\n * @static\n * @readonly\n * @member {String|undefined} module:core/plugin~PluginInterface.pluginName\n */\n\n/**\n * The second stage (after plugin {@link #constructor}) of the plugin initialization.\n * Unlike the plugin constructor this method can be asynchronous.\n *\n * A plugin's `init()` method is called after its {@link module:core/plugin~PluginInterface.requires dependencies} are initialized,\n * so in the same order as the constructors of these plugins.\n *\n * **Note:** This method is optional. A plugin instance does not need to have it defined.\n *\n * @method #init\n * @returns {null|Promise}\n */\n\n/**\n * The third (and last) stage of the plugin initialization. See also {@link #constructor} and {@link #init}.\n *\n * **Note:** This method is optional. A plugin instance does not need to have it defined.\n *\n * @method #afterInit\n * @returns {null|Promise}\n */\n\n/**\n * Destroys the plugin.\n *\n * **Note:** This method is optional. A plugin instance does not need to have it defined.\n *\n * @method #destroy\n * @returns {null|Promise}\n */\n\n/**\n * A flag which defines if a plugin is allowed or not allowed to be used directly by a {@link module:core/context~Context}.\n *\n * @static\n * @readonly\n * @member {Boolean} module:core/plugin~PluginInterface.isContextPlugin\n */\n\n/**\n * An array of loaded plugins.\n *\n * @typedef {Array.<module:core/plugin~PluginInterface>} module:core/plugin~LoadedPlugins\n */\n\n// Helper function that forces plugin to be disabled.\nfunction forceDisable( evt ) {\n\tevt.return = false;\n\tevt.stop();\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/command\n */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The base class for CKEditor commands.\n *\n * Commands are the main way to manipulate editor contents and state. They are mostly used by UI elements (or by other\n * commands) to make changes in the model. Commands are available in every part of code that has access to\n * the {@link module:core/editor/editor~Editor editor} instance.\n *\n * Instances of registered commands can be retrieved from {@link module:core/editor/editor~Editor#commands `editor.commands`}.\n * The easiest way to execute a command is through {@link module:core/editor/editor~Editor#execute `editor.execute()`}.\n *\n * By default, commands are disabled when the editor is in {@link module:core/editor/editor~Editor#isReadOnly read-only} mode\n * but commands with the {@link module:core/command~Command#affectsData `affectsData`} flag set to `false` will not be disabled.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Command {\n\t/**\n\t * Creates a new `Command` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor Editor on which this command will be used.\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * The editor on which this command will be used.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor}\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * The value of the command. A concrete command class should define what it represents for it.\n\t\t *\n\t\t * For example, the `'bold'` command's value indicates whether the selection starts in a bolded text.\n\t\t * And the value of the `'link'` command may be an object with links details.\n\t\t *\n\t\t * It is possible for a command to have no value (e.g. for stateless actions such as `'uploadImage'`).\n\t\t *\n\t\t * A concrete command class should control this value by overriding the {@link #refresh `refresh()`} method.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member #value\n\t\t */\n\t\tthis.set( 'value', undefined );\n\n\t\t/**\n\t\t * Flag indicating whether a command is enabled or disabled.\n\t\t * A disabled command will do nothing when executed.\n\t\t *\n\t\t * A concrete command class should control this value by overriding the {@link #refresh `refresh()`} method.\n\t\t *\n\t\t * It is possible to disable a command from \"outside\". For instance, in your integration you may want to disable\n\t\t * a certain set of commands for the time being. To do that, you can use the fact that `isEnabled` is observable\n\t\t * and it fires the `set:isEnabled` event every time anyone tries to modify its value:\n\t\t *\n\t\t *\t\tfunction disableCommand( cmd ) {\n\t\t *\t\t\tcmd.on( 'set:isEnabled', forceDisable, { priority: 'highest' } );\n\t\t *\n\t\t *\t\t\tcmd.isEnabled = false;\n\t\t *\n\t\t *\t\t\t// Make it possible to enable the command again.\n\t\t *\t\t\treturn () => {\n\t\t *\t\t\t\tcmd.off( 'set:isEnabled', forceDisable );\n\t\t *\t\t\t\tcmd.refresh();\n\t\t *\t\t\t};\n\t\t *\n\t\t *\t\t\tfunction forceDisable( evt ) {\n\t\t *\t\t\t\tevt.return = false;\n\t\t *\t\t\t\tevt.stop();\n\t\t *\t\t\t}\n\t\t *\t\t}\n\t\t *\n\t\t *\t\t// Usage:\n\t\t *\n\t\t *\t\t// Disabling the command.\n\t\t *\t\tconst enableBold = disableCommand( editor.commands.get( 'bold' ) );\n\t\t *\n\t\t *\t\t// Enabling the command again.\n\t\t *\t\tenableBold();\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', false );\n\n\t\t/**\n\t\t * A flag indicating whether a command execution changes the editor data or not.\n\t\t *\n\t\t * Commands with `affectsData` set to `false` will not be automatically disabled in\n\t\t * the {@link module:core/editor/editor~Editor#isReadOnly read-only mode} and\n\t\t * {@glink features/read-only#related-features other editor modes} with restricted user write permissions.\n\t\t *\n\t\t * **Note:** You do not have to set it for your every command. It is `true` by default.\n\t\t *\n\t\t * @readonly\n\t\t * @default true\n\t\t * @member {Boolean} #affectsData\n\t\t */\n\t\tthis.affectsData = true;\n\n\t\t/**\n\t\t * Holds identifiers for {@link #forceDisabled} mechanism.\n\t\t *\n\t\t * @type {Set.<String>}\n\t\t * @private\n\t\t */\n\t\tthis._disableStack = new Set();\n\n\t\tthis.decorate( 'execute' );\n\n\t\t// By default every command is refreshed when changes are applied to the model.\n\t\tthis.listenTo( this.editor.model.document, 'change', () => {\n\t\t\tthis.refresh();\n\t\t} );\n\n\t\tthis.on( 'execute', evt => {\n\t\t\tif ( !this.isEnabled ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\t// By default commands are disabled when the editor is in read-only mode.\n\t\tthis.listenTo( editor, 'change:isReadOnly', ( evt, name, value ) => {\n\t\t\tif ( value && this.affectsData ) {\n\t\t\t\tthis.forceDisabled( 'readOnlyMode' );\n\t\t\t} else {\n\t\t\t\tthis.clearForceDisabled( 'readOnlyMode' );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Refreshes the command. The command should update its {@link #isEnabled} and {@link #value} properties\n\t * in this method.\n\t *\n\t * This method is automatically called when\n\t * {@link module:engine/model/document~Document#event:change any changes are applied to the document}.\n\t */\n\trefresh() {\n\t\tthis.isEnabled = true;\n\t}\n\n\t/**\n\t * Disables the command.\n\t *\n\t * Command may be disabled by multiple features or algorithms (at once). When disabling a command, unique id should be passed\n\t * (e.g. feature name). The same identifier should be used when {@link #clearForceDisabled enabling back} the command.\n\t * The command becomes enabled only after all features {@link #clearForceDisabled enabled it back}.\n\t *\n\t * Disabling and enabling a command:\n\t *\n\t *\t\tcommand.isEnabled; // -> true\n\t *\t\tcommand.forceDisabled( 'MyFeature' );\n\t *\t\tcommand.isEnabled; // -> false\n\t *\t\tcommand.clearForceDisabled( 'MyFeature' );\n\t *\t\tcommand.isEnabled; // -> true\n\t *\n\t * Command disabled by multiple features:\n\t *\n\t *\t\tcommand.forceDisabled( 'MyFeature' );\n\t *\t\tcommand.forceDisabled( 'OtherFeature' );\n\t *\t\tcommand.clearForceDisabled( 'MyFeature' );\n\t *\t\tcommand.isEnabled; // -> false\n\t *\t\tcommand.clearForceDisabled( 'OtherFeature' );\n\t *\t\tcommand.isEnabled; // -> true\n\t *\n\t * Multiple disabling with the same identifier is redundant:\n\t *\n\t *\t\tcommand.forceDisabled( 'MyFeature' );\n\t *\t\tcommand.forceDisabled( 'MyFeature' );\n\t *\t\tcommand.clearForceDisabled( 'MyFeature' );\n\t *\t\tcommand.isEnabled; // -> true\n\t *\n\t * **Note:** some commands or algorithms may have more complex logic when it comes to enabling or disabling certain commands,\n\t * so the command might be still disabled after {@link #clearForceDisabled} was used.\n\t *\n\t * @param {String} id Unique identifier for disabling. Use the same id when {@link #clearForceDisabled enabling back} the command.\n\t */\n\tforceDisabled( id ) {\n\t\tthis._disableStack.add( id );\n\n\t\tif ( this._disableStack.size == 1 ) {\n\t\t\tthis.on( 'set:isEnabled', forceDisable, { priority: 'highest' } );\n\t\t\tthis.isEnabled = false;\n\t\t}\n\t}\n\n\t/**\n\t * Clears forced disable previously set through {@link #forceDisabled}. See {@link #forceDisabled}.\n\t *\n\t * @param {String} id Unique identifier, equal to the one passed in {@link #forceDisabled} call.\n\t */\n\tclearForceDisabled( id ) {\n\t\tthis._disableStack.delete( id );\n\n\t\tif ( this._disableStack.size == 0 ) {\n\t\t\tthis.off( 'set:isEnabled', forceDisable );\n\t\t\tthis.refresh();\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * A command may accept parameters. They will be passed from {@link module:core/editor/editor~Editor#execute `editor.execute()`}\n\t * to the command.\n\t *\n\t * The `execute()` method will automatically abort when the command is disabled ({@link #isEnabled} is `false`).\n\t * This behavior is implemented by a high priority listener to the {@link #event:execute} event.\n\t *\n\t * In order to see how to disable a command from \"outside\" see the {@link #isEnabled} documentation.\n\t *\n\t * This method may return a value, which would be forwarded all the way down to the\n\t * {@link module:core/editor/editor~Editor#execute `editor.execute()`}.\n\t *\n\t * @fires execute\n\t */\n\texecute() {}\n\n\t/**\n\t * Destroys the command.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Event fired by the {@link #execute} method. The command action is a listener to this event so it's\n\t * possible to change/cancel the behavior of the command by listening to this event.\n\t *\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * **Note:** This event is fired even if command is disabled. However, it is automatically blocked\n\t * by a high priority listener in order to prevent command execution.\n\t *\n\t * @event execute\n\t */\n}\n\nmix( Command, ObservableMixin );\n\n// Helper function that forces command to be disabled.\nfunction forceDisable( evt ) {\n\tevt.return = false;\n\tevt.stop();\n}\n","/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n  return function(arg) {\n    return func(transform(arg));\n  };\n}\n\nexport default overArg;\n","import overArg from './_overArg.js';\n\n/** Built-in value references. */\nvar getPrototype = overArg(Object.getPrototypeOf, Object);\n\nexport default getPrototype;\n","import baseGetTag from './_baseGetTag.js';\nimport getPrototype from './_getPrototype.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar objectTag = '[object Object]';\n\n/** Used for built-in method references. */\nvar funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to infer the `Object` constructor. */\nvar objectCtorString = funcToString.call(Object);\n\n/**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\nfunction isPlainObject(value) {\n  if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n    return false;\n  }\n  var proto = getPrototype(value);\n  if (proto === null) {\n    return true;\n  }\n  var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n  return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n    funcToString.call(Ctor) == objectCtorString;\n}\n\nexport default isPlainObject;\n","/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n  this.__data__ = [];\n  this.size = 0;\n}\n\nexport default listCacheClear;\n","import eq from './eq.js';\n\n/**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction assocIndexOf(array, key) {\n  var length = array.length;\n  while (length--) {\n    if (eq(array[length][0], key)) {\n      return length;\n    }\n  }\n  return -1;\n}\n\nexport default assocIndexOf;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype;\n\n/** Built-in value references. */\nvar splice = arrayProto.splice;\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    return false;\n  }\n  var lastIndex = data.length - 1;\n  if (index == lastIndex) {\n    data.pop();\n  } else {\n    splice.call(data, index, 1);\n  }\n  --this.size;\n  return true;\n}\n\nexport default listCacheDelete;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  return index < 0 ? undefined : data[index][1];\n}\n\nexport default listCacheGet;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n  return assocIndexOf(this.__data__, key) > -1;\n}\n\nexport default listCacheHas;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    ++this.size;\n    data.push([key, value]);\n  } else {\n    data[index][1] = value;\n  }\n  return this;\n}\n\nexport default listCacheSet;\n","import listCacheClear from './_listCacheClear.js';\nimport listCacheDelete from './_listCacheDelete.js';\nimport listCacheGet from './_listCacheGet.js';\nimport listCacheHas from './_listCacheHas.js';\nimport listCacheSet from './_listCacheSet.js';\n\n/**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction ListCache(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `ListCache`.\nListCache.prototype.clear = listCacheClear;\nListCache.prototype['delete'] = listCacheDelete;\nListCache.prototype.get = listCacheGet;\nListCache.prototype.has = listCacheHas;\nListCache.prototype.set = listCacheSet;\n\nexport default ListCache;\n","import ListCache from './_ListCache.js';\n\n/**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\nfunction stackClear() {\n  this.__data__ = new ListCache;\n  this.size = 0;\n}\n\nexport default stackClear;\n","/**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction stackDelete(key) {\n  var data = this.__data__,\n      result = data['delete'](key);\n\n  this.size = data.size;\n  return result;\n}\n\nexport default stackDelete;\n","/**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction stackGet(key) {\n  return this.__data__.get(key);\n}\n\nexport default stackGet;\n","/**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction stackHas(key) {\n  return this.__data__.has(key);\n}\n\nexport default stackHas;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar Map = getNative(root, 'Map');\n\nexport default Map;\n","import getNative from './_getNative.js';\n\n/* Built-in method references that are verified to be native. */\nvar nativeCreate = getNative(Object, 'create');\n\nexport default nativeCreate;\n","import nativeCreate from './_nativeCreate.js';\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n  this.__data__ = nativeCreate ? nativeCreate(null) : {};\n  this.size = 0;\n}\n\nexport default hashClear;\n","/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n  var result = this.has(key) && delete this.__data__[key];\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\nexport default hashDelete;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n  var data = this.__data__;\n  if (nativeCreate) {\n    var result = data[key];\n    return result === HASH_UNDEFINED ? undefined : result;\n  }\n  return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\nexport default hashGet;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n  var data = this.__data__;\n  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n}\n\nexport default hashHas;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n  var data = this.__data__;\n  this.size += this.has(key) ? 0 : 1;\n  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n  return this;\n}\n\nexport default hashSet;\n","import hashClear from './_hashClear.js';\nimport hashDelete from './_hashDelete.js';\nimport hashGet from './_hashGet.js';\nimport hashHas from './_hashHas.js';\nimport hashSet from './_hashSet.js';\n\n/**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Hash(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `Hash`.\nHash.prototype.clear = hashClear;\nHash.prototype['delete'] = hashDelete;\nHash.prototype.get = hashGet;\nHash.prototype.has = hashHas;\nHash.prototype.set = hashSet;\n\nexport default Hash;\n","import Hash from './_Hash.js';\nimport ListCache from './_ListCache.js';\nimport Map from './_Map.js';\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n  this.size = 0;\n  this.__data__ = {\n    'hash': new Hash,\n    'map': new (Map || ListCache),\n    'string': new Hash\n  };\n}\n\nexport default mapCacheClear;\n","/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n  var type = typeof value;\n  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n    ? (value !== '__proto__')\n    : (value === null);\n}\n\nexport default isKeyable;\n","import isKeyable from './_isKeyable.js';\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n  var data = map.__data__;\n  return isKeyable(key)\n    ? data[typeof key == 'string' ? 'string' : 'hash']\n    : data.map;\n}\n\nexport default getMapData;\n","import getMapData from './_getMapData.js';\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n  var result = getMapData(this, key)['delete'](key);\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\nexport default mapCacheDelete;\n","import getMapData from './_getMapData.js';\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n  return getMapData(this, key).get(key);\n}\n\nexport default mapCacheGet;\n","import getMapData from './_getMapData.js';\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n  return getMapData(this, key).has(key);\n}\n\nexport default mapCacheHas;\n","import getMapData from './_getMapData.js';\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n  var data = getMapData(this, key),\n      size = data.size;\n\n  data.set(key, value);\n  this.size += data.size == size ? 0 : 1;\n  return this;\n}\n\nexport default mapCacheSet;\n","import mapCacheClear from './_mapCacheClear.js';\nimport mapCacheDelete from './_mapCacheDelete.js';\nimport mapCacheGet from './_mapCacheGet.js';\nimport mapCacheHas from './_mapCacheHas.js';\nimport mapCacheSet from './_mapCacheSet.js';\n\n/**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction MapCache(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `MapCache`.\nMapCache.prototype.clear = mapCacheClear;\nMapCache.prototype['delete'] = mapCacheDelete;\nMapCache.prototype.get = mapCacheGet;\nMapCache.prototype.has = mapCacheHas;\nMapCache.prototype.set = mapCacheSet;\n\nexport default MapCache;\n","import ListCache from './_ListCache.js';\nimport Map from './_Map.js';\nimport MapCache from './_MapCache.js';\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\nfunction stackSet(key, value) {\n  var data = this.__data__;\n  if (data instanceof ListCache) {\n    var pairs = data.__data__;\n    if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n      pairs.push([key, value]);\n      this.size = ++data.size;\n      return this;\n    }\n    data = this.__data__ = new MapCache(pairs);\n  }\n  data.set(key, value);\n  this.size = data.size;\n  return this;\n}\n\nexport default stackSet;\n","import ListCache from './_ListCache.js';\nimport stackClear from './_stackClear.js';\nimport stackDelete from './_stackDelete.js';\nimport stackGet from './_stackGet.js';\nimport stackHas from './_stackHas.js';\nimport stackSet from './_stackSet.js';\n\n/**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Stack(entries) {\n  var data = this.__data__ = new ListCache(entries);\n  this.size = data.size;\n}\n\n// Add methods to `Stack`.\nStack.prototype.clear = stackClear;\nStack.prototype['delete'] = stackDelete;\nStack.prototype.get = stackGet;\nStack.prototype.has = stackHas;\nStack.prototype.set = stackSet;\n\nexport default Stack;\n","/**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\nfunction arrayEach(array, iteratee) {\n  var index = -1,\n      length = array == null ? 0 : array.length;\n\n  while (++index < length) {\n    if (iteratee(array[index], index, array) === false) {\n      break;\n    }\n  }\n  return array;\n}\n\nexport default arrayEach;\n","import overArg from './_overArg.js';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeKeys = overArg(Object.keys, Object);\n\nexport default nativeKeys;\n","import isPrototype from './_isPrototype.js';\nimport nativeKeys from './_nativeKeys.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction baseKeys(object) {\n  if (!isPrototype(object)) {\n    return nativeKeys(object);\n  }\n  var result = [];\n  for (var key in Object(object)) {\n    if (hasOwnProperty.call(object, key) && key != 'constructor') {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\nexport default baseKeys;\n","import arrayLikeKeys from './_arrayLikeKeys.js';\nimport baseKeys from './_baseKeys.js';\nimport isArrayLike from './isArrayLike.js';\n\n/**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n *   this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\nfunction keys(object) {\n  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n}\n\nexport default keys;\n","import copyObject from './_copyObject.js';\nimport keys from './keys.js';\n\n/**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\nfunction baseAssign(object, source) {\n  return object && copyObject(source, keys(source), object);\n}\n\nexport default baseAssign;\n","import copyObject from './_copyObject.js';\nimport keysIn from './keysIn.js';\n\n/**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\nfunction baseAssignIn(object, source) {\n  return object && copyObject(source, keysIn(source), object);\n}\n\nexport default baseAssignIn;\n","import root from './_root.js';\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Built-in value references. */\nvar Buffer = moduleExports ? root.Buffer : undefined,\n    allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;\n\n/**\n * Creates a clone of  `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\nfunction cloneBuffer(buffer, isDeep) {\n  if (isDeep) {\n    return buffer.slice();\n  }\n  var length = buffer.length,\n      result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n  buffer.copy(result);\n  return result;\n}\n\nexport default cloneBuffer;\n","/**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\nfunction copyArray(source, array) {\n  var index = -1,\n      length = source.length;\n\n  array || (array = Array(length));\n  while (++index < length) {\n    array[index] = source[index];\n  }\n  return array;\n}\n\nexport default copyArray;\n","/**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\nfunction arrayFilter(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      resIndex = 0,\n      result = [];\n\n  while (++index < length) {\n    var value = array[index];\n    if (predicate(value, index, array)) {\n      result[resIndex++] = value;\n    }\n  }\n  return result;\n}\n\nexport default arrayFilter;\n","/**\n * This method returns a new empty array.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {Array} Returns the new empty array.\n * @example\n *\n * var arrays = _.times(2, _.stubArray);\n *\n * console.log(arrays);\n * // => [[], []]\n *\n * console.log(arrays[0] === arrays[1]);\n * // => false\n */\nfunction stubArray() {\n  return [];\n}\n\nexport default stubArray;\n","import arrayFilter from './_arrayFilter.js';\nimport stubArray from './stubArray.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Built-in value references. */\nvar propertyIsEnumerable = objectProto.propertyIsEnumerable;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeGetSymbols = Object.getOwnPropertySymbols;\n\n/**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\nvar getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n  if (object == null) {\n    return [];\n  }\n  object = Object(object);\n  return arrayFilter(nativeGetSymbols(object), function(symbol) {\n    return propertyIsEnumerable.call(object, symbol);\n  });\n};\n\nexport default getSymbols;\n","import copyObject from './_copyObject.js';\nimport getSymbols from './_getSymbols.js';\n\n/**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\nfunction copySymbols(source, object) {\n  return copyObject(source, getSymbols(source), object);\n}\n\nexport default copySymbols;\n","/**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\nfunction arrayPush(array, values) {\n  var index = -1,\n      length = values.length,\n      offset = array.length;\n\n  while (++index < length) {\n    array[offset + index] = values[index];\n  }\n  return array;\n}\n\nexport default arrayPush;\n","import arrayPush from './_arrayPush.js';\nimport getPrototype from './_getPrototype.js';\nimport getSymbols from './_getSymbols.js';\nimport stubArray from './stubArray.js';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeGetSymbols = Object.getOwnPropertySymbols;\n\n/**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\nvar getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n  var result = [];\n  while (object) {\n    arrayPush(result, getSymbols(object));\n    object = getPrototype(object);\n  }\n  return result;\n};\n\nexport default getSymbolsIn;\n","import copyObject from './_copyObject.js';\nimport getSymbolsIn from './_getSymbolsIn.js';\n\n/**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\nfunction copySymbolsIn(source, object) {\n  return copyObject(source, getSymbolsIn(source), object);\n}\n\nexport default copySymbolsIn;\n","import arrayPush from './_arrayPush.js';\nimport isArray from './isArray.js';\n\n/**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction baseGetAllKeys(object, keysFunc, symbolsFunc) {\n  var result = keysFunc(object);\n  return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n}\n\nexport default baseGetAllKeys;\n","import baseGetAllKeys from './_baseGetAllKeys.js';\nimport getSymbols from './_getSymbols.js';\nimport keys from './keys.js';\n\n/**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction getAllKeys(object) {\n  return baseGetAllKeys(object, keys, getSymbols);\n}\n\nexport default getAllKeys;\n","import baseGetAllKeys from './_baseGetAllKeys.js';\nimport getSymbolsIn from './_getSymbolsIn.js';\nimport keysIn from './keysIn.js';\n\n/**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction getAllKeysIn(object) {\n  return baseGetAllKeys(object, keysIn, getSymbolsIn);\n}\n\nexport default getAllKeysIn;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar DataView = getNative(root, 'DataView');\n\nexport default DataView;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar Promise = getNative(root, 'Promise');\n\nexport default Promise;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar Set = getNative(root, 'Set');\n\nexport default Set;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar WeakMap = getNative(root, 'WeakMap');\n\nexport default WeakMap;\n","import DataView from './_DataView.js';\nimport Map from './_Map.js';\nimport Promise from './_Promise.js';\nimport Set from './_Set.js';\nimport WeakMap from './_WeakMap.js';\nimport baseGetTag from './_baseGetTag.js';\nimport toSource from './_toSource.js';\n\n/** `Object#toString` result references. */\nvar mapTag = '[object Map]',\n    objectTag = '[object Object]',\n    promiseTag = '[object Promise]',\n    setTag = '[object Set]',\n    weakMapTag = '[object WeakMap]';\n\nvar dataViewTag = '[object DataView]';\n\n/** Used to detect maps, sets, and weakmaps. */\nvar dataViewCtorString = toSource(DataView),\n    mapCtorString = toSource(Map),\n    promiseCtorString = toSource(Promise),\n    setCtorString = toSource(Set),\n    weakMapCtorString = toSource(WeakMap);\n\n/**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nvar getTag = baseGetTag;\n\n// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\nif ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n    (Map && getTag(new Map) != mapTag) ||\n    (Promise && getTag(Promise.resolve()) != promiseTag) ||\n    (Set && getTag(new Set) != setTag) ||\n    (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n  getTag = function(value) {\n    var result = baseGetTag(value),\n        Ctor = result == objectTag ? value.constructor : undefined,\n        ctorString = Ctor ? toSource(Ctor) : '';\n\n    if (ctorString) {\n      switch (ctorString) {\n        case dataViewCtorString: return dataViewTag;\n        case mapCtorString: return mapTag;\n        case promiseCtorString: return promiseTag;\n        case setCtorString: return setTag;\n        case weakMapCtorString: return weakMapTag;\n      }\n    }\n    return result;\n  };\n}\n\nexport default getTag;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\nfunction initCloneArray(array) {\n  var length = array.length,\n      result = new array.constructor(length);\n\n  // Add properties assigned by `RegExp#exec`.\n  if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n    result.index = array.index;\n    result.input = array.input;\n  }\n  return result;\n}\n\nexport default initCloneArray;\n","import root from './_root.js';\n\n/** Built-in value references. */\nvar Uint8Array = root.Uint8Array;\n\nexport default Uint8Array;\n","import Uint8Array from './_Uint8Array.js';\n\n/**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\nfunction cloneArrayBuffer(arrayBuffer) {\n  var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n  new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n  return result;\n}\n\nexport default cloneArrayBuffer;\n","import cloneArrayBuffer from './_cloneArrayBuffer.js';\n\n/**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\nfunction cloneDataView(dataView, isDeep) {\n  var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n  return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n}\n\nexport default cloneDataView;\n","/** Used to match `RegExp` flags from their coerced string values. */\nvar reFlags = /\\w*$/;\n\n/**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\nfunction cloneRegExp(regexp) {\n  var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n  result.lastIndex = regexp.lastIndex;\n  return result;\n}\n\nexport default cloneRegExp;\n","import Symbol from './_Symbol.js';\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;\n\n/**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\nfunction cloneSymbol(symbol) {\n  return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n}\n\nexport default cloneSymbol;\n","import cloneArrayBuffer from './_cloneArrayBuffer.js';\n\n/**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\nfunction cloneTypedArray(typedArray, isDeep) {\n  var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n  return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n}\n\nexport default cloneTypedArray;\n","import cloneArrayBuffer from './_cloneArrayBuffer.js';\nimport cloneDataView from './_cloneDataView.js';\nimport cloneRegExp from './_cloneRegExp.js';\nimport cloneSymbol from './_cloneSymbol.js';\nimport cloneTypedArray from './_cloneTypedArray.js';\n\n/** `Object#toString` result references. */\nvar boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    symbolTag = '[object Symbol]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]',\n    float32Tag = '[object Float32Array]',\n    float64Tag = '[object Float64Array]',\n    int8Tag = '[object Int8Array]',\n    int16Tag = '[object Int16Array]',\n    int32Tag = '[object Int32Array]',\n    uint8Tag = '[object Uint8Array]',\n    uint8ClampedTag = '[object Uint8ClampedArray]',\n    uint16Tag = '[object Uint16Array]',\n    uint32Tag = '[object Uint32Array]';\n\n/**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\nfunction initCloneByTag(object, tag, isDeep) {\n  var Ctor = object.constructor;\n  switch (tag) {\n    case arrayBufferTag:\n      return cloneArrayBuffer(object);\n\n    case boolTag:\n    case dateTag:\n      return new Ctor(+object);\n\n    case dataViewTag:\n      return cloneDataView(object, isDeep);\n\n    case float32Tag: case float64Tag:\n    case int8Tag: case int16Tag: case int32Tag:\n    case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n      return cloneTypedArray(object, isDeep);\n\n    case mapTag:\n      return new Ctor;\n\n    case numberTag:\n    case stringTag:\n      return new Ctor(object);\n\n    case regexpTag:\n      return cloneRegExp(object);\n\n    case setTag:\n      return new Ctor;\n\n    case symbolTag:\n      return cloneSymbol(object);\n  }\n}\n\nexport default initCloneByTag;\n","import isObject from './isObject.js';\n\n/** Built-in value references. */\nvar objectCreate = Object.create;\n\n/**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\nvar baseCreate = (function() {\n  function object() {}\n  return function(proto) {\n    if (!isObject(proto)) {\n      return {};\n    }\n    if (objectCreate) {\n      return objectCreate(proto);\n    }\n    object.prototype = proto;\n    var result = new object;\n    object.prototype = undefined;\n    return result;\n  };\n}());\n\nexport default baseCreate;\n","import baseCreate from './_baseCreate.js';\nimport getPrototype from './_getPrototype.js';\nimport isPrototype from './_isPrototype.js';\n\n/**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\nfunction initCloneObject(object) {\n  return (typeof object.constructor == 'function' && !isPrototype(object))\n    ? baseCreate(getPrototype(object))\n    : {};\n}\n\nexport default initCloneObject;\n","import getTag from './_getTag.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar mapTag = '[object Map]';\n\n/**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\nfunction baseIsMap(value) {\n  return isObjectLike(value) && getTag(value) == mapTag;\n}\n\nexport default baseIsMap;\n","import baseIsMap from './_baseIsMap.js';\nimport baseUnary from './_baseUnary.js';\nimport nodeUtil from './_nodeUtil.js';\n\n/* Node.js helper references. */\nvar nodeIsMap = nodeUtil && nodeUtil.isMap;\n\n/**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\nvar isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\nexport default isMap;\n","import getTag from './_getTag.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar setTag = '[object Set]';\n\n/**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\nfunction baseIsSet(value) {\n  return isObjectLike(value) && getTag(value) == setTag;\n}\n\nexport default baseIsSet;\n","import baseIsSet from './_baseIsSet.js';\nimport baseUnary from './_baseUnary.js';\nimport nodeUtil from './_nodeUtil.js';\n\n/* Node.js helper references. */\nvar nodeIsSet = nodeUtil && nodeUtil.isSet;\n\n/**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\nvar isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\nexport default isSet;\n","import Stack from './_Stack.js';\nimport arrayEach from './_arrayEach.js';\nimport assignValue from './_assignValue.js';\nimport baseAssign from './_baseAssign.js';\nimport baseAssignIn from './_baseAssignIn.js';\nimport cloneBuffer from './_cloneBuffer.js';\nimport copyArray from './_copyArray.js';\nimport copySymbols from './_copySymbols.js';\nimport copySymbolsIn from './_copySymbolsIn.js';\nimport getAllKeys from './_getAllKeys.js';\nimport getAllKeysIn from './_getAllKeysIn.js';\nimport getTag from './_getTag.js';\nimport initCloneArray from './_initCloneArray.js';\nimport initCloneByTag from './_initCloneByTag.js';\nimport initCloneObject from './_initCloneObject.js';\nimport isArray from './isArray.js';\nimport isBuffer from './isBuffer.js';\nimport isMap from './isMap.js';\nimport isObject from './isObject.js';\nimport isSet from './isSet.js';\nimport keys from './keys.js';\nimport keysIn from './keysIn.js';\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_DEEP_FLAG = 1,\n    CLONE_FLAT_FLAG = 2,\n    CLONE_SYMBOLS_FLAG = 4;\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n    arrayTag = '[object Array]',\n    boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    errorTag = '[object Error]',\n    funcTag = '[object Function]',\n    genTag = '[object GeneratorFunction]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    objectTag = '[object Object]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    symbolTag = '[object Symbol]',\n    weakMapTag = '[object WeakMap]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]',\n    float32Tag = '[object Float32Array]',\n    float64Tag = '[object Float64Array]',\n    int8Tag = '[object Int8Array]',\n    int16Tag = '[object Int16Array]',\n    int32Tag = '[object Int32Array]',\n    uint8Tag = '[object Uint8Array]',\n    uint8ClampedTag = '[object Uint8ClampedArray]',\n    uint16Tag = '[object Uint16Array]',\n    uint32Tag = '[object Uint32Array]';\n\n/** Used to identify `toStringTag` values supported by `_.clone`. */\nvar cloneableTags = {};\ncloneableTags[argsTag] = cloneableTags[arrayTag] =\ncloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\ncloneableTags[boolTag] = cloneableTags[dateTag] =\ncloneableTags[float32Tag] = cloneableTags[float64Tag] =\ncloneableTags[int8Tag] = cloneableTags[int16Tag] =\ncloneableTags[int32Tag] = cloneableTags[mapTag] =\ncloneableTags[numberTag] = cloneableTags[objectTag] =\ncloneableTags[regexpTag] = cloneableTags[setTag] =\ncloneableTags[stringTag] = cloneableTags[symbolTag] =\ncloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\ncloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\ncloneableTags[errorTag] = cloneableTags[funcTag] =\ncloneableTags[weakMapTag] = false;\n\n/**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n *  1 - Deep clone\n *  2 - Flatten inherited properties\n *  4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\nfunction baseClone(value, bitmask, customizer, key, object, stack) {\n  var result,\n      isDeep = bitmask & CLONE_DEEP_FLAG,\n      isFlat = bitmask & CLONE_FLAT_FLAG,\n      isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n  if (customizer) {\n    result = object ? customizer(value, key, object, stack) : customizer(value);\n  }\n  if (result !== undefined) {\n    return result;\n  }\n  if (!isObject(value)) {\n    return value;\n  }\n  var isArr = isArray(value);\n  if (isArr) {\n    result = initCloneArray(value);\n    if (!isDeep) {\n      return copyArray(value, result);\n    }\n  } else {\n    var tag = getTag(value),\n        isFunc = tag == funcTag || tag == genTag;\n\n    if (isBuffer(value)) {\n      return cloneBuffer(value, isDeep);\n    }\n    if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n      result = (isFlat || isFunc) ? {} : initCloneObject(value);\n      if (!isDeep) {\n        return isFlat\n          ? copySymbolsIn(value, baseAssignIn(result, value))\n          : copySymbols(value, baseAssign(result, value));\n      }\n    } else {\n      if (!cloneableTags[tag]) {\n        return object ? value : {};\n      }\n      result = initCloneByTag(value, tag, isDeep);\n    }\n  }\n  // Check for circular references and return its corresponding clone.\n  stack || (stack = new Stack);\n  var stacked = stack.get(value);\n  if (stacked) {\n    return stacked;\n  }\n  stack.set(value, result);\n\n  if (isSet(value)) {\n    value.forEach(function(subValue) {\n      result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n    });\n  } else if (isMap(value)) {\n    value.forEach(function(subValue, key) {\n      result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n    });\n  }\n\n  var keysFunc = isFull\n    ? (isFlat ? getAllKeysIn : getAllKeys)\n    : (isFlat ? keysIn : keys);\n\n  var props = isArr ? undefined : keysFunc(value);\n  arrayEach(props || value, function(subValue, key) {\n    if (props) {\n      key = subValue;\n      subValue = value[key];\n    }\n    // Recursively populate clone (susceptible to call stack limits).\n    assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n  });\n  return result;\n}\n\nexport default baseClone;\n","import baseClone from './_baseClone.js';\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_DEEP_FLAG = 1,\n    CLONE_SYMBOLS_FLAG = 4;\n\n/**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n *   if (_.isElement(value)) {\n *     return value.cloneNode(true);\n *   }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\nfunction cloneDeepWith(value, customizer) {\n  customizer = typeof customizer == 'function' ? customizer : undefined;\n  return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n}\n\nexport default cloneDeepWith;\n","import isObjectLike from './isObjectLike.js';\nimport isPlainObject from './isPlainObject.js';\n\n/**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('<body>');\n * // => false\n */\nfunction isElement(value) {\n  return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n}\n\nexport default isElement;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/config\n */\n\nimport { isPlainObject, isElement, cloneDeepWith } from 'lodash-es';\n\n/**\n * Handles a configuration dictionary.\n */\nexport default class Config {\n\t/**\n\t * Creates an instance of the {@link ~Config} class.\n\t *\n\t * @param {Object} [configurations] The initial configurations to be set. Usually, provided by the user.\n\t * @param {Object} [defaultConfigurations] The default configurations. Usually, provided by the system.\n\t */\n\tconstructor( configurations, defaultConfigurations ) {\n\t\t/**\n\t\t * Store for the whole configuration.\n\t\t *\n\t\t * @private\n\t\t * @member {Object}\n\t\t */\n\t\tthis._config = {};\n\n\t\t// Set default configuration.\n\t\tif ( defaultConfigurations ) {\n\t\t\t// Clone the configuration to make sure that the properties will not be shared\n\t\t\t// between editors and make the watchdog feature work correctly.\n\t\t\tthis.define( cloneConfig( defaultConfigurations ) );\n\t\t}\n\n\t\t// Set initial configuration.\n\t\tif ( configurations ) {\n\t\t\tthis._setObjectToTarget( this._config, configurations );\n\t\t}\n\t}\n\n\t/**\n\t * Set configuration values.\n\t *\n\t * It accepts both a name/value pair or an object, which properties and values will be used to set\n\t * configurations.\n\t *\n\t * It also accepts setting a \"deep configuration\" by using dots in the name. For example, `'resize.width'` sets\n\t * the value for the `width` configuration in the `resize` subset.\n\t *\n\t *\t\tconfig.set( 'width', 500 );\n\t *\t\tconfig.set( 'toolbar.collapsed', true );\n\t *\n\t *\t\t// Equivalent to:\n\t *\t\tconfig.set( {\n\t *\t\t\twidth: 500\n\t *\t\t\ttoolbar: {\n\t *\t\t\t\tcollapsed: true\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Passing an object as the value will amend the configuration, not replace it.\n\t *\n\t *\t\tconfig.set( 'toolbar', {\n\t *\t\t\tcollapsed: true,\n\t *\t\t} );\n\t *\n\t *\t\tconfig.set( 'toolbar', {\n\t *\t\t\tcolor: 'red',\n\t *\t\t} );\n\t *\n\t *\t\tconfig.get( 'toolbar.collapsed' ); // true\n\t *\t\tconfig.get( 'toolbar.color' ); // 'red'\n\t *\n\t * @param {String|Object} name The configuration name or an object from which take properties as\n\t * configuration entries. Configuration names are case-sensitive.\n\t * @param {*} value The configuration value. Used if a name is passed.\n\t */\n\tset( name, value ) {\n\t\tthis._setToTarget( this._config, name, value );\n\t}\n\n\t/**\n\t * Does exactly the same as {@link #set} with one exception – passed configuration extends\n\t * existing one, but does not overwrite already defined values.\n\t *\n\t * This method is supposed to be called by plugin developers to setup plugin's configurations. It would be\n\t * rarely used for other needs.\n\t *\n\t * @param {String|Object} name The configuration name or an object from which take properties as\n\t * configuration entries. Configuration names are case-sensitive.\n\t * @param {*} value The configuration value. Used if a name is passed.\n\t */\n\tdefine( name, value ) {\n\t\tconst isDefine = true;\n\n\t\tthis._setToTarget( this._config, name, value, isDefine );\n\t}\n\n\t/**\n\t * Gets the value for a configuration entry.\n\t *\n\t *\t\tconfig.get( 'name' );\n\t *\n\t * Deep configurations can be retrieved by separating each part with a dot.\n\t *\n\t *\t\tconfig.get( 'toolbar.collapsed' );\n\t *\n\t * @param {String} name The configuration name. Configuration names are case-sensitive.\n\t * @returns {*} The configuration value or `undefined` if the configuration entry was not found.\n\t */\n\tget( name ) {\n\t\treturn this._getFromSource( this._config, name );\n\t}\n\n\t/**\n\t * Iterates over all top level configuration names.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\t* names() {\n\t\tfor ( const name of Object.keys( this._config ) ) {\n\t\t\tyield name;\n\t\t}\n\t}\n\n\t/**\n\t * Saves passed configuration to the specified target (nested object).\n\t *\n\t * @private\n\t * @param {Object} target Nested config object.\n\t * @param {String|Object} name The configuration name or an object from which take properties as\n\t * configuration entries. Configuration names are case-sensitive.\n\t * @param {*} value The configuration value. Used if a name is passed.\n\t * @param {Boolean} [isDefine=false] Define if passed configuration should overwrite existing one.\n\t */\n\t_setToTarget( target, name, value, isDefine = false ) {\n\t\t// In case of an object, iterate through it and call `_setToTarget` again for each property.\n\t\tif ( isPlainObject( name ) ) {\n\t\t\tthis._setObjectToTarget( target, name, isDefine );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// The configuration name should be split into parts if it has dots. E.g. `resize.width` -> [`resize`, `width`].\n\t\tconst parts = name.split( '.' );\n\n\t\t// Take the name of the configuration out of the parts. E.g. `resize.width` -> `width`.\n\t\tname = parts.pop();\n\n\t\t// Iterate over parts to check if currently stored configuration has proper structure.\n\t\tfor ( const part of parts ) {\n\t\t\t// If there is no object for specified part then create one.\n\t\t\tif ( !isPlainObject( target[ part ] ) ) {\n\t\t\t\ttarget[ part ] = {};\n\t\t\t}\n\n\t\t\t// Nested object becomes a target.\n\t\t\ttarget = target[ part ];\n\t\t}\n\n\t\t// In case of value is an object.\n\t\tif ( isPlainObject( value ) ) {\n\t\t\t// We take care of proper config structure.\n\t\t\tif ( !isPlainObject( target[ name ] ) ) {\n\t\t\t\ttarget[ name ] = {};\n\t\t\t}\n\n\t\t\ttarget = target[ name ];\n\n\t\t\t// And iterate through this object calling `_setToTarget` again for each property.\n\t\t\tthis._setObjectToTarget( target, value, isDefine );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Do nothing if we are defining configuration for non empty name.\n\t\tif ( isDefine && typeof target[ name ] != 'undefined' ) {\n\t\t\treturn;\n\t\t}\n\n\t\ttarget[ name ] = value;\n\t}\n\n\t/**\n\t * Get specified configuration from specified source (nested object).\n\t *\n\t * @private\n\t * @param {Object} source level of nested object.\n\t * @param {String} name The configuration name. Configuration names are case-sensitive.\n\t * @returns {*} The configuration value or `undefined` if the configuration entry was not found.\n\t */\n\t_getFromSource( source, name ) {\n\t\t// The configuration name should be split into parts if it has dots. E.g. `resize.width` -> [`resize`, `width`].\n\t\tconst parts = name.split( '.' );\n\n\t\t// Take the name of the configuration out of the parts. E.g. `resize.width` -> `width`.\n\t\tname = parts.pop();\n\n\t\t// Iterate over parts to check if currently stored configuration has proper structure.\n\t\tfor ( const part of parts ) {\n\t\t\tif ( !isPlainObject( source[ part ] ) ) {\n\t\t\t\tsource = null;\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\t// Nested object becomes a source.\n\t\t\tsource = source[ part ];\n\t\t}\n\n\t\t// Always returns undefined for non existing configuration.\n\t\treturn source ? cloneConfig( source[ name ] ) : undefined;\n\t}\n\n\t/**\n\t * Iterates through passed object and calls {@link #_setToTarget} method with object key and value for each property.\n\t *\n\t * @private\n\t * @param {Object} target Nested config object.\n\t * @param {Object} configuration Configuration data set\n\t * @param {Boolean} [isDefine] Defines if passed configuration is default configuration or not.\n\t */\n\t_setObjectToTarget( target, configuration, isDefine ) {\n\t\tObject.keys( configuration ).forEach( key => {\n\t\t\tthis._setToTarget( target, key, configuration[ key ], isDefine );\n\t\t} );\n\t}\n}\n\n// Clones configuration object or value.\n// @param {*} source Source configuration\n// @returns {*} Cloned configuration value.\nfunction cloneConfig( source ) {\n\treturn cloneDeepWith( source, leaveDOMReferences );\n}\n\n// A customized function for cloneDeepWith.\n// It will leave references to DOM Elements instead of cloning them.\n//\n// @param {*} value\n// @returns {Element|undefined}\nfunction leaveDOMReferences( value ) {\n\treturn isElement( value ) ? value : undefined;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/isiterable\n */\n\n/**\n * Checks if value implements iterator interface.\n *\n * @param {*} value The value to check.\n * @returns {Boolean} True if value implements iterator interface.\n */\nexport default function isIterable( value ) {\n\treturn !!( value && value[ Symbol.iterator ] );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/collection\n */\n\nimport EmitterMixin from './emittermixin';\nimport CKEditorError from './ckeditorerror';\nimport uid from './uid';\nimport isIterable from './isiterable';\nimport mix from './mix';\n\n/**\n * Collections are ordered sets of objects. Items in the collection can be retrieved by their indexes\n * in the collection (like in an array) or by their ids.\n *\n * If an object without an `id` property is being added to the collection, the `id` property will be generated\n * automatically. Note that the automatically generated id is unique only within this single collection instance.\n *\n * By default an item in the collection is identified by its `id` property. The name of the identifier can be\n * configured through the constructor of the collection.\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Collection {\n\t/**\n\t * Creates a new Collection instance.\n\t *\n\t * You can provide an iterable of initial items the collection will be created with:\n\t *\n\t *\t\tconst collection = new Collection( [ { id: 'John' }, { id: 'Mike' } ] );\n\t *\n\t *\t\tconsole.log( collection.get( 0 ) ); // -> { id: 'John' }\n\t *\t\tconsole.log( collection.get( 1 ) ); // -> { id: 'Mike' }\n\t *\t\tconsole.log( collection.get( 'Mike' ) ); // -> { id: 'Mike' }\n\t *\n\t * Or you can first create a collection and then add new items using the {@link #add} method:\n\t *\n\t *\t\tconst collection = new Collection();\n\t *\n\t *\t\tcollection.add( { id: 'John' } );\n\t *\t\tconsole.log( collection.get( 0 ) ); // -> { id: 'John' }\n\t *\n\t * Whatever option you choose, you can always pass a configuration object as the last argument\n\t * of the constructor:\n\t *\n\t *\t\tconst emptyCollection = new Collection( { idProperty: 'name' } );\n\t *\t\temptyCollection.add( { name: 'John' } );\n\t *\t\tconsole.log( collection.get( 'John' ) ); // -> { name: 'John' }\n\t *\n\t *\t\tconst nonEmptyCollection = new Collection( [ { name: 'John' } ], { idProperty: 'name' } );\n\t *\t\tnonEmptyCollection.add( { name: 'George' } );\n\t *\t\tconsole.log( collection.get( 'George' ) ); // -> { name: 'George' }\n\t *\t\tconsole.log( collection.get( 'John' ) ); // -> { name: 'John' }\n\t *\n\t * @param {Iterable.<Object>|Object} [initialItemsOrOptions] The initial items of the collection or\n\t * the options object.\n\t * @param {Object} [options={}] The options object, when the first argument is an array of initial items.\n\t * @param {String} [options.idProperty='id'] The name of the property which is used to identify an item.\n\t * Items that do not have such a property will be assigned one when added to the collection.\n\t */\n\tconstructor( initialItemsOrOptions = {}, options = {} ) {\n\t\tconst hasInitialItems = isIterable( initialItemsOrOptions );\n\n\t\tif ( !hasInitialItems ) {\n\t\t\toptions = initialItemsOrOptions;\n\t\t}\n\n\t\t/**\n\t\t * The internal list of items in the collection.\n\t\t *\n\t\t * @private\n\t\t * @member {Object[]}\n\t\t */\n\t\tthis._items = [];\n\n\t\t/**\n\t\t * The internal map of items in the collection.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._itemMap = new Map();\n\n\t\t/**\n\t\t * The name of the property which is considered to identify an item.\n\t\t *\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._idProperty = options.idProperty || 'id';\n\n\t\t/**\n\t\t * A helper mapping external items of a bound collection ({@link #bindTo})\n\t\t * and actual items of this collection. It provides information\n\t\t * necessary to properly remove items bound to another collection.\n\t\t *\n\t\t * See {@link #_bindToInternalToExternalMap}.\n\t\t *\n\t\t * @protected\n\t\t * @member {WeakMap}\n\t\t */\n\t\tthis._bindToExternalToInternalMap = new WeakMap();\n\n\t\t/**\n\t\t * A helper mapping items of this collection to external items of a bound collection\n\t\t * ({@link #bindTo}). It provides information necessary to manage the bindings, e.g.\n\t\t * to avoid loops in two–way bindings.\n\t\t *\n\t\t * See {@link #_bindToExternalToInternalMap}.\n\t\t *\n\t\t * @protected\n\t\t * @member {WeakMap}\n\t\t */\n\t\tthis._bindToInternalToExternalMap = new WeakMap();\n\n\t\t/**\n\t\t * Stores indexes of skipped items from bound external collection.\n\t\t *\n\t\t * @private\n\t\t * @member {Array}\n\t\t */\n\t\tthis._skippedIndexesFromExternal = [];\n\n\t\t// Set the initial content of the collection (if provided in the constructor).\n\t\tif ( hasInitialItems ) {\n\t\t\tfor ( const item of initialItemsOrOptions ) {\n\t\t\t\tthis._items.push( item );\n\t\t\t\tthis._itemMap.set( this._getItemIdBeforeAdding( item ), item );\n\t\t\t}\n\t\t}\n\n\t\t/**\n\t\t * A collection instance this collection is bound to as a result\n\t\t * of calling {@link #bindTo} method.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:utils/collection~Collection} #_bindToCollection\n\t\t */\n\t}\n\n\t/**\n\t * The number of items available in the collection.\n\t *\n\t * @member {Number} #length\n\t */\n\tget length() {\n\t\treturn this._items.length;\n\t}\n\n\t/**\n\t * Returns the first item from the collection or null when collection is empty.\n\t *\n\t * @returns {Object|null} The first item or `null` if collection is empty.\n\t */\n\tget first() {\n\t\treturn this._items[ 0 ] || null;\n\t}\n\n\t/**\n\t * Returns the last item from the collection or null when collection is empty.\n\t *\n\t * @returns {Object|null} The last item or `null` if collection is empty.\n\t */\n\tget last() {\n\t\treturn this._items[ this.length - 1 ] || null;\n\t}\n\n\t/**\n\t * Adds an item into the collection.\n\t *\n\t * If the item does not have an id, then it will be automatically generated and set on the item.\n\t *\n\t * @chainable\n\t * @param {Object} item\n\t * @param {Number} [index] The position of the item in the collection. The item\n\t * is pushed to the collection when `index` not specified.\n\t * @fires add\n\t * @fires change\n\t */\n\tadd( item, index ) {\n\t\treturn this.addMany( [ item ], index );\n\t}\n\n\t/**\n\t * Adds multiple items into the collection.\n\t *\n\t * Any item not containing an id will get an automatically generated one.\n\t *\n\t * @chainable\n\t * @param {Iterable.<Object>} item\n\t * @param {Number} [index] The position of the insertion. Items will be appended if no `index` is specified.\n\t * @fires add\n\t * @fires change\n\t */\n\taddMany( items, index ) {\n\t\tif ( index === undefined ) {\n\t\t\tindex = this._items.length;\n\t\t} else if ( index > this._items.length || index < 0 ) {\n\t\t\t/**\n\t\t\t * The `index` passed to {@link module:utils/collection~Collection#addMany `Collection#addMany()`}\n\t\t\t * is invalid. It must be a number between 0 and the collection's length.\n\t\t\t *\n\t\t\t * @error collection-add-item-invalid-index\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'collection-add-item-invalid-index', this );\n\t\t}\n\n\t\tfor ( let offset = 0; offset < items.length; offset++ ) {\n\t\t\tconst item = items[ offset ];\n\t\t\tconst itemId = this._getItemIdBeforeAdding( item );\n\t\t\tconst currentItemIndex = index + offset;\n\n\t\t\tthis._items.splice( currentItemIndex, 0, item );\n\t\t\tthis._itemMap.set( itemId, item );\n\n\t\t\tthis.fire( 'add', item, currentItemIndex );\n\t\t}\n\n\t\tthis.fire( 'change', {\n\t\t\tadded: items,\n\t\t\tremoved: [],\n\t\t\tindex\n\t\t} );\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Gets an item by its ID or index.\n\t *\n\t * @param {String|Number} idOrIndex The item ID or index in the collection.\n\t * @returns {Object|null} The requested item or `null` if such item does not exist.\n\t */\n\tget( idOrIndex ) {\n\t\tlet item;\n\n\t\tif ( typeof idOrIndex == 'string' ) {\n\t\t\titem = this._itemMap.get( idOrIndex );\n\t\t} else if ( typeof idOrIndex == 'number' ) {\n\t\t\titem = this._items[ idOrIndex ];\n\t\t} else {\n\t\t\t/**\n\t\t\t * An index or ID must be given.\n\t\t\t *\n\t\t\t * @error collection-get-invalid-arg\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'collection-get-invalid-arg', this );\n\t\t}\n\n\t\treturn item || null;\n\t}\n\n\t/**\n\t * Returns a Boolean indicating whether the collection contains an item.\n\t *\n\t * @param {Object|String} itemOrId The item or its ID in the collection.\n\t * @returns {Boolean} `true` if the collection contains the item, `false` otherwise.\n\t */\n\thas( itemOrId ) {\n\t\tif ( typeof itemOrId == 'string' ) {\n\t\t\treturn this._itemMap.has( itemOrId );\n\t\t} else { // Object\n\t\t\tconst idProperty = this._idProperty;\n\t\t\tconst id = itemOrId[ idProperty ];\n\n\t\t\treturn this._itemMap.has( id );\n\t\t}\n\t}\n\n\t/**\n\t * Gets an index of an item in the collection.\n\t * When an item is not defined in the collection, the index will equal -1.\n\t *\n\t * @param {Object|String} itemOrId The item or its ID in the collection.\n\t * @returns {Number} The index of a given item.\n\t */\n\tgetIndex( itemOrId ) {\n\t\tlet item;\n\n\t\tif ( typeof itemOrId == 'string' ) {\n\t\t\titem = this._itemMap.get( itemOrId );\n\t\t} else {\n\t\t\titem = itemOrId;\n\t\t}\n\n\t\treturn this._items.indexOf( item );\n\t}\n\n\t/**\n\t * Removes an item from the collection.\n\t *\n\t * @param {Object|Number|String} subject The item to remove, its ID or index in the collection.\n\t * @returns {Object} The removed item.\n\t * @fires remove\n\t * @fires change\n\t */\n\tremove( subject ) {\n\t\tconst [ item, index ] = this._remove( subject );\n\n\t\tthis.fire( 'change', {\n\t\t\tadded: [],\n\t\t\tremoved: [ item ],\n\t\t\tindex\n\t\t} );\n\n\t\treturn item;\n\t}\n\n\t/**\n\t * Executes the callback for each item in the collection and composes an array or values returned by this callback.\n\t *\n\t * @param {Function} callback\n\t * @param {Object} callback.item\n\t * @param {Number} callback.index\n\t * @param {Object} ctx Context in which the `callback` will be called.\n\t * @returns {Array} The result of mapping.\n\t */\n\tmap( callback, ctx ) {\n\t\treturn this._items.map( callback, ctx );\n\t}\n\n\t/**\n\t * Finds the first item in the collection for which the `callback` returns a true value.\n\t *\n\t * @param {Function} callback\n\t * @param {Object} callback.item\n\t * @param {Number} callback.index\n\t * @param {Object} ctx Context in which the `callback` will be called.\n\t * @returns {Object} The item for which `callback` returned a true value.\n\t */\n\tfind( callback, ctx ) {\n\t\treturn this._items.find( callback, ctx );\n\t}\n\n\t/**\n\t * Returns an array with items for which the `callback` returned a true value.\n\t *\n\t * @param {Function} callback\n\t * @param {Object} callback.item\n\t * @param {Number} callback.index\n\t * @param {Object} ctx Context in which the `callback` will be called.\n\t * @returns {Object[]} The array with matching items.\n\t */\n\tfilter( callback, ctx ) {\n\t\treturn this._items.filter( callback, ctx );\n\t}\n\n\t/**\n\t * Removes all items from the collection and destroys the binding created using\n\t * {@link #bindTo}.\n\t *\n\t * @fires remove\n\t * @fires change\n\t */\n\tclear() {\n\t\tif ( this._bindToCollection ) {\n\t\t\tthis.stopListening( this._bindToCollection );\n\t\t\tthis._bindToCollection = null;\n\t\t}\n\n\t\tconst removedItems = Array.from( this._items );\n\n\t\twhile ( this.length ) {\n\t\t\tthis._remove( 0 );\n\t\t}\n\n\t\tthis.fire( 'change', {\n\t\t\tadded: [],\n\t\t\tremoved: removedItems,\n\t\t\tindex: 0\n\t\t} );\n\t}\n\n\t/**\n\t * Binds and synchronizes the collection with another one.\n\t *\n\t * The binding can be a simple factory:\n\t *\n\t *\t\tclass FactoryClass {\n\t *\t\t\tconstructor( data ) {\n\t *\t\t\t\tthis.label = data.label;\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst source = new Collection( { idProperty: 'label' } );\n\t *\t\tconst target = new Collection();\n\t *\n\t *\t\ttarget.bindTo( source ).as( FactoryClass );\n\t *\n\t *\t\tsource.add( { label: 'foo' } );\n\t *\t\tsource.add( { label: 'bar' } );\n\t *\n\t *\t\tconsole.log( target.length ); // 2\n\t *\t\tconsole.log( target.get( 1 ).label ); // 'bar'\n\t *\n\t *\t\tsource.remove( 0 );\n\t *\t\tconsole.log( target.length ); // 1\n\t *\t\tconsole.log( target.get( 0 ).label ); // 'bar'\n\t *\n\t * or the factory driven by a custom callback:\n\t *\n\t *\t\tclass FooClass {\n\t *\t\t\tconstructor( data ) {\n\t *\t\t\t\tthis.label = data.label;\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tclass BarClass {\n\t *\t\t\tconstructor( data ) {\n\t *\t\t\t\tthis.label = data.label;\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst source = new Collection( { idProperty: 'label' } );\n\t *\t\tconst target = new Collection();\n\t *\n\t *\t\ttarget.bindTo( source ).using( ( item ) => {\n\t *\t\t\tif ( item.label == 'foo' ) {\n\t *\t\t\t\treturn new FooClass( item );\n\t *\t\t\t} else {\n\t *\t\t\t\treturn new BarClass( item );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\tsource.add( { label: 'foo' } );\n\t *\t\tsource.add( { label: 'bar' } );\n\t *\n\t *\t\tconsole.log( target.length ); // 2\n\t *\t\tconsole.log( target.get( 0 ) instanceof FooClass ); // true\n\t *\t\tconsole.log( target.get( 1 ) instanceof BarClass ); // true\n\t *\n\t * or the factory out of property name:\n\t *\n\t *\t\tconst source = new Collection( { idProperty: 'label' } );\n\t *\t\tconst target = new Collection();\n\t *\n\t *\t\ttarget.bindTo( source ).using( 'label' );\n\t *\n\t *\t\tsource.add( { label: { value: 'foo' } } );\n\t *\t\tsource.add( { label: { value: 'bar' } } );\n\t *\n\t *\t\tconsole.log( target.length ); // 2\n\t *\t\tconsole.log( target.get( 0 ).value ); // 'foo'\n\t *\t\tconsole.log( target.get( 1 ).value ); // 'bar'\n\t *\n\t * It's possible to skip specified items by returning falsy value:\n\t *\n\t *\t\tconst source = new Collection();\n\t *\t\tconst target = new Collection();\n\t *\n\t *\t\ttarget.bindTo( source ).using( item => {\n\t *\t\t\tif ( item.hidden ) {\n\t *\t\t\t\treturn null;\n\t *\t\t\t}\n\t *\n\t *\t\t\treturn item;\n\t *\t\t} );\n\t *\n\t *\t\tsource.add( { hidden: true } );\n\t *\t\tsource.add( { hidden: false } );\n\t *\n\t *\t\tconsole.log( source.length ); // 2\n\t *\t\tconsole.log( target.length ); // 1\n\t *\n\t * **Note**: {@link #clear} can be used to break the binding.\n\t *\n\t * @param {module:utils/collection~Collection} externalCollection A collection to be bound.\n\t * @returns {Object}\n\t * @returns {module:utils/collection~CollectionBindToChain} The binding chain object.\n\t */\n\tbindTo( externalCollection ) {\n\t\tif ( this._bindToCollection ) {\n\t\t\t/**\n\t\t\t * The collection cannot be bound more than once.\n\t\t\t *\n\t\t\t * @error collection-bind-to-rebind\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'collection-bind-to-rebind', this );\n\t\t}\n\n\t\tthis._bindToCollection = externalCollection;\n\n\t\treturn {\n\t\t\tas: Class => {\n\t\t\t\tthis._setUpBindToBinding( item => new Class( item ) );\n\t\t\t},\n\n\t\t\tusing: callbackOrProperty => {\n\t\t\t\tif ( typeof callbackOrProperty == 'function' ) {\n\t\t\t\t\tthis._setUpBindToBinding( item => callbackOrProperty( item ) );\n\t\t\t\t} else {\n\t\t\t\t\tthis._setUpBindToBinding( item => item[ callbackOrProperty ] );\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n\n\t/**\n\t * Finalizes and activates a binding initiated by {#bindTo}.\n\t *\n\t * @protected\n\t * @param {Function} factory A function which produces collection items.\n\t */\n\t_setUpBindToBinding( factory ) {\n\t\tconst externalCollection = this._bindToCollection;\n\n\t\t// Adds the item to the collection once a change has been done to the external collection.\n\t\t//\n\t\t// @private\n\t\tconst addItem = ( evt, externalItem, index ) => {\n\t\t\tconst isExternalBoundToThis = externalCollection._bindToCollection == this;\n\t\t\tconst externalItemBound = externalCollection._bindToInternalToExternalMap.get( externalItem );\n\n\t\t\t// If an external collection is bound to this collection, which makes it a 2–way binding,\n\t\t\t// and the particular external collection item is already bound, don't add it here.\n\t\t\t// The external item has been created **out of this collection's item** and (re)adding it will\n\t\t\t// cause a loop.\n\t\t\tif ( isExternalBoundToThis && externalItemBound ) {\n\t\t\t\tthis._bindToExternalToInternalMap.set( externalItem, externalItemBound );\n\t\t\t\tthis._bindToInternalToExternalMap.set( externalItemBound, externalItem );\n\t\t\t} else {\n\t\t\t\tconst item = factory( externalItem );\n\n\t\t\t\t// When there is no item we need to remember skipped index first and then we can skip this item.\n\t\t\t\tif ( !item ) {\n\t\t\t\t\tthis._skippedIndexesFromExternal.push( index );\n\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Lets try to put item at the same index as index in external collection\n\t\t\t\t// but when there are a skipped items in one or both collections we need to recalculate this index.\n\t\t\t\tlet finalIndex = index;\n\n\t\t\t\t// When we try to insert item after some skipped items from external collection we need\n\t\t\t\t// to include this skipped items and decrease index.\n\t\t\t\t//\n\t\t\t\t// For the following example:\n\t\t\t\t// external -> [ 'A', 'B - skipped for internal', 'C - skipped for internal' ]\n\t\t\t\t// internal -> [ A ]\n\t\t\t\t//\n\t\t\t\t// Another item is been added at the end of external collection:\n\t\t\t\t// external.add( 'D' )\n\t\t\t\t// external -> [ 'A', 'B - skipped for internal', 'C - skipped for internal', 'D' ]\n\t\t\t\t//\n\t\t\t\t// We can't just add 'D' to internal at the same index as index in external because\n\t\t\t\t// this will produce empty indexes what is invalid:\n\t\t\t\t// internal -> [ 'A', empty, empty, 'D' ]\n\t\t\t\t//\n\t\t\t\t// So we need to include skipped items and decrease index\n\t\t\t\t// internal -> [ 'A', 'D' ]\n\t\t\t\tfor ( const skipped of this._skippedIndexesFromExternal ) {\n\t\t\t\t\tif ( index > skipped ) {\n\t\t\t\t\t\tfinalIndex--;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// We need to take into consideration that external collection could skip some items from\n\t\t\t\t// internal collection.\n\t\t\t\t//\n\t\t\t\t// For the following example:\n\t\t\t\t// internal -> [ 'A', 'B - skipped for external', 'C - skipped for external' ]\n\t\t\t\t// external -> [ A ]\n\t\t\t\t//\n\t\t\t\t// Another item is been added at the end of external collection:\n\t\t\t\t// external.add( 'D' )\n\t\t\t\t// external -> [ 'A', 'D' ]\n\t\t\t\t//\n\t\t\t\t// We need to include skipped items and place new item after them:\n\t\t\t\t// internal -> [ 'A', 'B - skipped for external', 'C - skipped for external', 'D' ]\n\t\t\t\tfor ( const skipped of externalCollection._skippedIndexesFromExternal ) {\n\t\t\t\t\tif ( finalIndex >= skipped ) {\n\t\t\t\t\t\tfinalIndex++;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tthis._bindToExternalToInternalMap.set( externalItem, item );\n\t\t\t\tthis._bindToInternalToExternalMap.set( item, externalItem );\n\t\t\t\tthis.add( item, finalIndex );\n\n\t\t\t\t// After adding new element to internal collection we need update indexes\n\t\t\t\t// of skipped items in external collection.\n\t\t\t\tfor ( let i = 0; i < externalCollection._skippedIndexesFromExternal.length; i++ ) {\n\t\t\t\t\tif ( finalIndex <= externalCollection._skippedIndexesFromExternal[ i ] ) {\n\t\t\t\t\t\texternalCollection._skippedIndexesFromExternal[ i ]++;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\n\t\t// Load the initial content of the collection.\n\t\tfor ( const externalItem of externalCollection ) {\n\t\t\taddItem( null, externalItem, externalCollection.getIndex( externalItem ) );\n\t\t}\n\n\t\t// Synchronize the with collection as new items are added.\n\t\tthis.listenTo( externalCollection, 'add', addItem );\n\n\t\t// Synchronize the with collection as new items are removed.\n\t\tthis.listenTo( externalCollection, 'remove', ( evt, externalItem, index ) => {\n\t\t\tconst item = this._bindToExternalToInternalMap.get( externalItem );\n\n\t\t\tif ( item ) {\n\t\t\t\tthis.remove( item );\n\t\t\t}\n\n\t\t\t// After removing element from external collection we need update/remove indexes\n\t\t\t// of skipped items in internal collection.\n\t\t\tthis._skippedIndexesFromExternal = this._skippedIndexesFromExternal.reduce( ( result, skipped ) => {\n\t\t\t\tif ( index < skipped ) {\n\t\t\t\t\tresult.push( skipped - 1 );\n\t\t\t\t}\n\n\t\t\t\tif ( index > skipped ) {\n\t\t\t\t\tresult.push( skipped );\n\t\t\t\t}\n\n\t\t\t\treturn result;\n\t\t\t}, [] );\n\t\t} );\n\t}\n\n\t/**\n\t * Returns an unique id property for a given `item`.\n\t *\n\t * The method will generate new id and assign it to the `item` if it doesn't have any.\n\t *\n\t * @private\n\t * @param {Object} item Item to be added.\n\t * @returns {String}\n\t */\n\t_getItemIdBeforeAdding( item ) {\n\t\tconst idProperty = this._idProperty;\n\t\tlet itemId;\n\n\t\tif ( ( idProperty in item ) ) {\n\t\t\titemId = item[ idProperty ];\n\n\t\t\tif ( typeof itemId != 'string' ) {\n\t\t\t\t/**\n\t\t\t\t * This item's ID should be a string.\n\t\t\t\t *\n\t\t\t\t * @error collection-add-invalid-id\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'collection-add-invalid-id', this );\n\t\t\t}\n\n\t\t\tif ( this.get( itemId ) ) {\n\t\t\t\t/**\n\t\t\t\t * This item already exists in the collection.\n\t\t\t\t *\n\t\t\t\t * @error collection-add-item-already-exists\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'collection-add-item-already-exists', this );\n\t\t\t}\n\t\t} else {\n\t\t\titem[ idProperty ] = itemId = uid();\n\t\t}\n\n\t\treturn itemId;\n\t}\n\n\t/**\n\t * Core {@link #remove} method implementation shared in other functions.\n\t *\n\t * In contrast this method **does not** fire the {@link #event:change} event.\n\t *\n\t * @private\n\t * @param {Object} subject The item to remove, its id or index in the collection.\n\t * @returns {Array} Returns an array with the removed item and its index.\n\t * @fires remove\n\t */\n\t_remove( subject ) {\n\t\tlet index, id, item;\n\t\tlet itemDoesNotExist = false;\n\t\tconst idProperty = this._idProperty;\n\n\t\tif ( typeof subject == 'string' ) {\n\t\t\tid = subject;\n\t\t\titem = this._itemMap.get( id );\n\t\t\titemDoesNotExist = !item;\n\n\t\t\tif ( item ) {\n\t\t\t\tindex = this._items.indexOf( item );\n\t\t\t}\n\t\t} else if ( typeof subject == 'number' ) {\n\t\t\tindex = subject;\n\t\t\titem = this._items[ index ];\n\t\t\titemDoesNotExist = !item;\n\n\t\t\tif ( item ) {\n\t\t\t\tid = item[ idProperty ];\n\t\t\t}\n\t\t} else {\n\t\t\titem = subject;\n\t\t\tid = item[ idProperty ];\n\t\t\tindex = this._items.indexOf( item );\n\t\t\titemDoesNotExist = ( index == -1 || !this._itemMap.get( id ) );\n\t\t}\n\n\t\tif ( itemDoesNotExist ) {\n\t\t\t/**\n\t\t\t * Item not found.\n\t\t\t *\n\t\t\t * @error collection-remove-404\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'collection-remove-404', this );\n\t\t}\n\n\t\tthis._items.splice( index, 1 );\n\t\tthis._itemMap.delete( id );\n\n\t\tconst externalItem = this._bindToInternalToExternalMap.get( item );\n\t\tthis._bindToInternalToExternalMap.delete( item );\n\t\tthis._bindToExternalToInternalMap.delete( externalItem );\n\n\t\tthis.fire( 'remove', item, index );\n\n\t\treturn [ item, index ];\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._items[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Fired when an item is added to the collection.\n\t *\n\t * @event add\n\t * @param {Object} item The added item.\n\t */\n\n\t/**\n\t * Fired when the collection was changed due to adding or removing items.\n\t *\n\t * @event change\n\t * @param {Iterable.<Object>} added A list of added items.\n\t * @param {Iterable.<Object>} removed A list of removed items.\n\t * @param {Number} index An index where the addition or removal occurred.\n\t */\n\n\t/**\n\t * Fired when an item is removed from the collection.\n\t *\n\t * @event remove\n\t * @param {Object} item The removed item.\n\t * @param {Number} index Index from which item was removed.\n\t */\n}\n\nmix( Collection, EmitterMixin );\n\n/**\n * An object returned by the {@link module:utils/collection~Collection#bindTo `bindTo()`} method\n * providing functions that specify the type of the binding.\n *\n * See the {@link module:utils/collection~Collection#bindTo `bindTo()`} documentation for examples.\n *\n * @interface module:utils/collection~CollectionBindToChain\n */\n\n/**\n * Creates a callback or a property binding.\n *\n * @method #using\n * @param {Function|String} callbackOrProperty  When the function is passed, it should return\n * the collection items. When the string is provided, the property value is used to create the bound collection items.\n */\n\n/**\n * Creates the class factory binding in which items of the source collection are passed to\n * the constructor of the specified class.\n *\n * @method #as\n * @param {Function} Class The class constructor used to create instances in the factory.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/plugincollection\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Manages a list of CKEditor plugins, including loading, resolving dependencies and initialization.\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class PluginCollection {\n\t/**\n\t * Creates an instance of the plugin collection class.\n\t * Allows loading and initializing plugins and their dependencies.\n\t * Allows providing a list of already loaded plugins. These plugins will not be destroyed along with this collection.\n\t *\n\t * @param {module:core/editor/editor~Editor|module:core/context~Context} context\n\t * @param {Array.<Function>} [availablePlugins] Plugins (constructors) which the collection will be able to use\n\t * when {@link module:core/plugincollection~PluginCollection#init} is used with the plugin names (strings, instead of constructors).\n\t * Usually, the editor will pass its built-in plugins to the collection so they can later be\n\t * used in `config.plugins` or `config.removePlugins` by names.\n\t * @param {Iterable.<Array>} contextPlugins A list of already initialized plugins represented by a\n\t * `[ PluginConstructor, pluginInstance ]` pair.\n\t */\n\tconstructor( context, availablePlugins = [], contextPlugins = [] ) {\n\t\t/**\n\t\t * @protected\n\t\t * @type {module:core/editor/editor~Editor|module:core/context~Context}\n\t\t */\n\t\tthis._context = context;\n\n\t\t/**\n\t\t * @protected\n\t\t * @type {Map}\n\t\t */\n\t\tthis._plugins = new Map();\n\n\t\t/**\n\t\t * A map of plugin constructors that can be retrieved by their names.\n\t\t *\n\t\t * @protected\n\t\t * @type {Map.<String|Function,Function>}\n\t\t */\n\t\tthis._availablePlugins = new Map();\n\n\t\tfor ( const PluginConstructor of availablePlugins ) {\n\t\t\tif ( PluginConstructor.pluginName ) {\n\t\t\t\tthis._availablePlugins.set( PluginConstructor.pluginName, PluginConstructor );\n\t\t\t}\n\t\t}\n\n\t\t/**\n\t\t * Map of {@link module:core/contextplugin~ContextPlugin context plugins} which can be retrieved by their constructors or instances.\n\t\t *\n\t\t * @protected\n\t\t * @type {Map<Function,Function>}\n\t\t */\n\t\tthis._contextPlugins = new Map();\n\n\t\tfor ( const [ PluginConstructor, pluginInstance ] of contextPlugins ) {\n\t\t\tthis._contextPlugins.set( PluginConstructor, pluginInstance );\n\t\t\tthis._contextPlugins.set( pluginInstance, PluginConstructor );\n\n\t\t\t// To make it possible to require a plugin by its name.\n\t\t\tif ( PluginConstructor.pluginName ) {\n\t\t\t\tthis._availablePlugins.set( PluginConstructor.pluginName, PluginConstructor );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Returns `[ PluginConstructor, pluginInstance ]` pairs.\n\t *\n\t * @returns {Iterable.<Array>}\n\t */\n\t* [ Symbol.iterator ]() {\n\t\tfor ( const entry of this._plugins ) {\n\t\t\tif ( typeof entry[ 0 ] == 'function' ) {\n\t\t\t\tyield entry;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Gets the plugin instance by its constructor or name.\n\t *\n\t *\t\t// Check if 'Clipboard' plugin was loaded.\n\t *\t\tif ( editor.plugins.has( 'ClipboardPipeline' ) ) {\n\t *\t\t\t// Get clipboard plugin instance\n\t *\t\t\tconst clipboard = editor.plugins.get( 'ClipboardPipeline' );\n\t *\n\t *\t\t\tthis.listenTo( clipboard, 'inputTransformation', ( evt, data ) => {\n\t *\t\t\t\t// Do something on clipboard input.\n\t *\t\t\t} );\n\t *\t\t}\n\t *\n\t * **Note**: This method will throw an error if a plugin is not loaded. Use `{@link #has editor.plugins.has()}`\n\t * to check if a plugin is available.\n\t *\n\t * @param {Function|String} key The plugin constructor or {@link module:core/plugin~PluginInterface.pluginName name}.\n\t * @returns {module:core/plugin~PluginInterface}\n\t */\n\tget( key ) {\n\t\tconst plugin = this._plugins.get( key );\n\n\t\tif ( !plugin ) {\n\t\t\tlet pluginName = key;\n\n\t\t\tif ( typeof key == 'function' ) {\n\t\t\t\tpluginName = key.pluginName || key.name;\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * The plugin is not loaded and could not be obtained.\n\t\t\t *\n\t\t\t * Plugin classes (constructors) need to be provided to the editor and must be loaded before they can be obtained from\n\t\t\t * the plugin collection.\n\t\t\t * This is usually done in CKEditor 5 builds by setting the {@link module:core/editor/editor~Editor.builtinPlugins}\n\t\t\t * property.\n\t\t\t *\n\t\t\t * **Note**: You can use `{@link module:core/plugincollection~PluginCollection#has editor.plugins.has()}`\n\t\t\t * to check if a plugin was loaded.\n\t\t\t *\n\t\t\t * @error plugincollection-plugin-not-loaded\n\t\t\t * @param {String} plugin The name of the plugin which is not loaded.\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'plugincollection-plugin-not-loaded', this._context, { plugin: pluginName } );\n\t\t}\n\n\t\treturn plugin;\n\t}\n\n\t/**\n\t * Checks if a plugin is loaded.\n\t *\n\t *\t\t// Check if the 'Clipboard' plugin was loaded.\n\t *\t\tif ( editor.plugins.has( 'ClipboardPipeline' ) ) {\n\t *\t\t\t// Now use the clipboard plugin instance:\n\t *\t\t\tconst clipboard = editor.plugins.get( 'ClipboardPipeline' );\n\t *\n\t *\t\t\t// ...\n\t *\t\t}\n\t *\n\t * @param {Function|String} key The plugin constructor or {@link module:core/plugin~PluginInterface.pluginName name}.\n\t * @returns {Boolean}\n\t */\n\thas( key ) {\n\t\treturn this._plugins.has( key );\n\t}\n\n\t/**\n\t * Initializes a set of plugins and adds them to the collection.\n\t *\n\t * @param {Array.<Function|String>} plugins An array of {@link module:core/plugin~PluginInterface plugin constructors}\n\t * or {@link module:core/plugin~PluginInterface.pluginName plugin names}.\n\t * @param {Array.<String|Function>} [pluginsToRemove] Names of the plugins or plugin constructors\n\t * that should not be loaded (despite being specified in the `plugins` array).\n\t * @param {Array.<Function>} [pluginsSubstitutions] An array of {@link module:core/plugin~PluginInterface plugin constructors}\n\t * that will be used to replace plugins of the same names that were passed in `plugins` or that are in their dependency tree.\n\t * A useful option for replacing built-in plugins while creating tests (for mocking their APIs). Plugins that will be replaced\n\t * must follow these rules:\n\t *   * The new plugin must be a class.\n\t *   * The new plugin must be named.\n\t *   * Both plugins must not depend on other plugins.\n\t * @returns {Promise.<module:core/plugin~LoadedPlugins>} A promise which gets resolved once all plugins are loaded\n\t * and available in the collection.\n\t */\n\tinit( plugins, pluginsToRemove = [], pluginsSubstitutions = [] ) {\n\t\t// Plugin initialization procedure consists of 2 main steps:\n\t\t// 1) collecting all available plugin constructors,\n\t\t// 2) verification whether all required plugins can be instantiated.\n\t\t//\n\t\t// In the first step, all plugin constructors, available in the provided `plugins` array and inside\n\t\t// plugin's dependencies (from the `Plugin.requires` array), are recursively collected and added to the existing\n\t\t// `this._availablePlugins` map, but without any verification at the given moment. Performing the verification\n\t\t// at this point (during the plugin constructor searching) would cause false errors to occur, that some plugin\n\t\t// is missing but in fact it may be defined further in the array as the dependency of other plugin. After\n\t\t// traversing the entire dependency tree, it will be checked if all required \"top level\" plugins are available.\n\t\t//\n\t\t// In the second step, the list of plugins that have not been explicitly removed is traversed to get all the\n\t\t// plugin constructors to be instantiated in the correct order and to validate against some rules. Finally, if\n\t\t// no plugin is missing and no other error has been found, they all will be instantiated.\n\t\tconst that = this;\n\t\tconst context = this._context;\n\n\t\tfindAvailablePluginConstructors( plugins );\n\n\t\tvalidatePlugins( plugins );\n\n\t\tconst pluginsToLoad = plugins.filter( plugin => !isPluginRemoved( plugin, pluginsToRemove ) );\n\n\t\tconst pluginConstructors = [ ...getPluginConstructors( pluginsToLoad ) ];\n\n\t\tsubstitutePlugins( pluginConstructors, pluginsSubstitutions );\n\n\t\tconst pluginInstances = loadPlugins( pluginConstructors );\n\n\t\treturn initPlugins( pluginInstances, 'init' )\n\t\t\t.then( () => initPlugins( pluginInstances, 'afterInit' ) )\n\t\t\t.then( () => pluginInstances );\n\n\t\tfunction isPluginConstructor( plugin ) {\n\t\t\treturn typeof plugin === 'function';\n\t\t}\n\n\t\tfunction isContextPlugin( plugin ) {\n\t\t\treturn isPluginConstructor( plugin ) && plugin.isContextPlugin;\n\t\t}\n\n\t\tfunction isPluginRemoved( plugin, pluginsToRemove ) {\n\t\t\treturn pluginsToRemove.some( removedPlugin => {\n\t\t\t\tif ( removedPlugin === plugin ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\tif ( getPluginName( plugin ) === removedPlugin ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\tif ( getPluginName( removedPlugin ) === plugin ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\t\t\t} );\n\t\t}\n\n\t\tfunction getPluginName( plugin ) {\n\t\t\treturn isPluginConstructor( plugin ) ?\n\t\t\t\tplugin.pluginName || plugin.name :\n\t\t\t\tplugin;\n\t\t}\n\n\t\tfunction findAvailablePluginConstructors( plugins, processed = new Set() ) {\n\t\t\tplugins.forEach( plugin => {\n\t\t\t\tif ( !isPluginConstructor( plugin ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tif ( processed.has( plugin ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tprocessed.add( plugin );\n\n\t\t\t\tif ( plugin.pluginName && !that._availablePlugins.has( plugin.pluginName ) ) {\n\t\t\t\t\tthat._availablePlugins.set( plugin.pluginName, plugin );\n\t\t\t\t}\n\n\t\t\t\tif ( plugin.requires ) {\n\t\t\t\t\tfindAvailablePluginConstructors( plugin.requires, processed );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\n\t\tfunction getPluginConstructors( plugins, processed = new Set() ) {\n\t\t\treturn plugins\n\t\t\t\t.map( plugin => {\n\t\t\t\t\treturn isPluginConstructor( plugin ) ?\n\t\t\t\t\t\tplugin :\n\t\t\t\t\t\tthat._availablePlugins.get( plugin );\n\t\t\t\t} )\n\t\t\t\t.reduce( ( result, plugin ) => {\n\t\t\t\t\tif ( processed.has( plugin ) ) {\n\t\t\t\t\t\treturn result;\n\t\t\t\t\t}\n\n\t\t\t\t\tprocessed.add( plugin );\n\n\t\t\t\t\tif ( plugin.requires ) {\n\t\t\t\t\t\tvalidatePlugins( plugin.requires, plugin );\n\n\t\t\t\t\t\tgetPluginConstructors( plugin.requires, processed ).forEach( plugin => result.add( plugin ) );\n\t\t\t\t\t}\n\n\t\t\t\t\treturn result.add( plugin );\n\t\t\t\t}, new Set() );\n\t\t}\n\n\t\tfunction validatePlugins( plugins, parentPluginConstructor = null ) {\n\t\t\tplugins\n\t\t\t\t.map( plugin => {\n\t\t\t\t\treturn isPluginConstructor( plugin ) ?\n\t\t\t\t\t\tplugin :\n\t\t\t\t\t\tthat._availablePlugins.get( plugin ) || plugin;\n\t\t\t\t} )\n\t\t\t\t.forEach( plugin => {\n\t\t\t\t\tcheckMissingPlugin( plugin, parentPluginConstructor );\n\t\t\t\t\tcheckContextPlugin( plugin, parentPluginConstructor );\n\t\t\t\t\tcheckRemovedPlugin( plugin, parentPluginConstructor );\n\t\t\t\t} );\n\t\t}\n\n\t\tfunction checkMissingPlugin( plugin, parentPluginConstructor ) {\n\t\t\tif ( isPluginConstructor( plugin ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( parentPluginConstructor ) {\n\t\t\t\t/**\n\t\t\t\t * A required \"soft\" dependency was not found on the plugin list.\n\t\t\t\t *\n\t\t\t\t * When configuring the editor, either prior to building (via\n\t\t\t\t * {@link module:core/editor/editor~Editor.builtinPlugins `Editor.builtinPlugins`}) or when\n\t\t\t\t * creating a new instance of the editor (e.g. via\n\t\t\t\t * {@link module:core/editor/editorconfig~EditorConfig#plugins `config.plugins`}), you need to provide\n\t\t\t\t * some of the dependencies for other plugins that you used.\n\t\t\t\t *\n\t\t\t\t * This error is thrown when one of these dependencies was not provided. The name of the missing plugin\n\t\t\t\t * can be found in `missingPlugin` and the plugin that required it in `requiredBy`.\n\t\t\t\t *\n\t\t\t\t * In order to resolve it, you need to import the missing plugin and add it to the\n\t\t\t\t * current list of plugins (`Editor.builtinPlugins` or `config.plugins`/`config.extraPlugins`).\n\t\t\t\t *\n\t\t\t\t * Soft requirements were introduced in version 26.0.0. If you happen to stumble upon this error\n\t\t\t\t * when upgrading to version 26.0.0, read also the\n\t\t\t\t * {@glink builds/guides/migration/migration-to-26 Migration to 26.0.0} guide.\n\t\t\t\t *\n\t\t\t\t * @error plugincollection-soft-required\n\t\t\t\t * @param {String} missingPlugin The name of the required plugin.\n\t\t\t\t * @param {String} requiredBy The name of the plugin that requires the other plugin.\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'plugincollection-soft-required',\n\t\t\t\t\tcontext,\n\t\t\t\t\t{ missingPlugin: plugin, requiredBy: getPluginName( parentPluginConstructor ) }\n\t\t\t\t);\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * A plugin is not available and could not be loaded.\n\t\t\t *\n\t\t\t * Plugin classes (constructors) need to be provided to the editor before they can be loaded by name.\n\t\t\t * This is usually done in CKEditor 5 builds by setting the {@link module:core/editor/editor~Editor.builtinPlugins}\n\t\t\t * property.\n\t\t\t *\n\t\t\t * **If you see this warning when using one of the {@glink builds/index CKEditor 5 Builds}**, it means\n\t\t\t * that you try to enable a plugin which was not included in that build. This may be due to a typo\n\t\t\t * in the plugin name or simply because that plugin is not a part of this build. In the latter scenario,\n\t\t\t * read more about {@glink builds/guides/development/custom-builds custom builds}.\n\t\t\t *\n\t\t\t * **If you see this warning when using one of the editor creators directly** (not a build), then it means\n\t\t\t * that you tried loading plugins by name. However, unlike CKEditor 4, CKEditor 5 does not implement a \"plugin loader\".\n\t\t\t * This means that CKEditor 5 does not know where to load the plugin modules from. Therefore, you need to\n\t\t\t * provide each plugin through a reference (as a constructor function). Check out the examples in\n\t\t\t * {@glink builds/guides/integration/advanced-setup#scenario-2-building-from-source \"Building from source\"}.\n\t\t\t *\n\t\t\t * @error plugincollection-plugin-not-found\n\t\t\t * @param {String} plugin The name of the plugin which could not be loaded.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'plugincollection-plugin-not-found',\n\t\t\t\tcontext,\n\t\t\t\t{ plugin }\n\t\t\t);\n\t\t}\n\n\t\tfunction checkContextPlugin( plugin, parentPluginConstructor ) {\n\t\t\tif ( !isContextPlugin( parentPluginConstructor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( isContextPlugin( plugin ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * If a plugin is a context plugin, all plugins it requires should also be context plugins\n\t\t\t * instead of plugins. In other words, if one plugin can be used in the context,\n\t\t\t * all its requirements should also be ready to be used in the context. Note that the context\n\t\t\t * provides only a part of the API provided by the editor. If one plugin needs a full\n\t\t\t * editor API, all plugins which require it are considered as plugins that need a full\n\t\t\t * editor API.\n\t\t\t *\n\t\t\t * @error plugincollection-context-required\n\t\t\t * @param {String} plugin The name of the required plugin.\n\t\t\t * @param {String} requiredBy The name of the parent plugin.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'plugincollection-context-required',\n\t\t\t\tcontext,\n\t\t\t\t{ plugin: getPluginName( plugin ), requiredBy: getPluginName( parentPluginConstructor ) }\n\t\t\t);\n\t\t}\n\n\t\tfunction checkRemovedPlugin( plugin, parentPluginConstructor ) {\n\t\t\tif ( !parentPluginConstructor ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !isPluginRemoved( plugin, pluginsToRemove ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * Cannot load a plugin because one of its dependencies is listed in the `removePlugins` option.\n\t\t\t *\n\t\t\t * @error plugincollection-required\n\t\t\t * @param {String} plugin The name of the required plugin.\n\t\t\t * @param {String} requiredBy The name of the parent plugin.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'plugincollection-required',\n\t\t\t\tcontext,\n\t\t\t\t{ plugin: getPluginName( plugin ), requiredBy: getPluginName( parentPluginConstructor ) }\n\t\t\t);\n\t\t}\n\n\t\tfunction loadPlugins( pluginConstructors ) {\n\t\t\treturn pluginConstructors.map( PluginConstructor => {\n\t\t\t\tconst pluginInstance = that._contextPlugins.get( PluginConstructor ) || new PluginConstructor( context );\n\n\t\t\t\tthat._add( PluginConstructor, pluginInstance );\n\n\t\t\t\treturn pluginInstance;\n\t\t\t} );\n\t\t}\n\n\t\tfunction initPlugins( pluginInstances, method ) {\n\t\t\treturn pluginInstances.reduce( ( promise, plugin ) => {\n\t\t\t\tif ( !plugin[ method ] ) {\n\t\t\t\t\treturn promise;\n\t\t\t\t}\n\n\t\t\t\tif ( that._contextPlugins.has( plugin ) ) {\n\t\t\t\t\treturn promise;\n\t\t\t\t}\n\n\t\t\t\treturn promise.then( plugin[ method ].bind( plugin ) );\n\t\t\t}, Promise.resolve() );\n\t\t}\n\n\t\t// Replaces plugin constructors with the specified set of plugins.\n\t\t//\n\t\t// @param {Array.<Function>} pluginConstructors\n\t\t// @param {Array.<Function>} pluginsSubstitutions\n\t\tfunction substitutePlugins( pluginConstructors, pluginsSubstitutions ) {\n\t\t\tfor ( const pluginItem of pluginsSubstitutions ) {\n\t\t\t\tif ( typeof pluginItem != 'function' ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * The plugin replacing an existing plugin must be a function.\n\t\t\t\t\t *\n\t\t\t\t\t * @error plugincollection-replace-plugin-invalid-type\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError( 'plugincollection-replace-plugin-invalid-type', null, { pluginItem } );\n\t\t\t\t}\n\t\t\t\tconst pluginName = pluginItem.pluginName;\n\n\t\t\t\tif ( !pluginName ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * The plugin replacing an existing plugin must have a name.\n\t\t\t\t\t *\n\t\t\t\t\t * @error plugincollection-replace-plugin-missing-name\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError( 'plugincollection-replace-plugin-missing-name', null, { pluginItem } );\n\t\t\t\t}\n\n\t\t\t\tif ( pluginItem.requires && pluginItem.requires.length ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * The plugin replacing an existing plugin cannot depend on other plugins.\n\t\t\t\t\t *\n\t\t\t\t\t * @error plugincollection-plugin-for-replacing-cannot-have-dependencies\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError( 'plugincollection-plugin-for-replacing-cannot-have-dependencies', null, { pluginName } );\n\t\t\t\t}\n\n\t\t\t\tconst pluginToReplace = that._availablePlugins.get( pluginName );\n\n\t\t\t\tif ( !pluginToReplace ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * The replaced plugin does not exist in the\n\t\t\t\t\t * {@link module:core/plugincollection~PluginCollection available plugins} collection.\n\t\t\t\t\t *\n\t\t\t\t\t * @error plugincollection-plugin-for-replacing-not-exist\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError( 'plugincollection-plugin-for-replacing-not-exist', null, { pluginName } );\n\t\t\t\t}\n\n\t\t\t\tconst indexInPluginConstructors = pluginConstructors.indexOf( pluginToReplace );\n\n\t\t\t\tif ( indexInPluginConstructors === -1 ) {\n\t\t\t\t\t// The Context feature can substitute plugins as well.\n\t\t\t\t\t// It may happen that the editor will be created with the given context, where the plugin for substitute\n\t\t\t\t\t// was already replaced. In such a case, we don't want to do it again.\n\t\t\t\t\tif ( that._contextPlugins.has( pluginToReplace ) ) {\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\n\t\t\t\t\t/**\n\t\t\t\t\t * The replaced plugin will not be loaded so it cannot be replaced.\n\t\t\t\t\t *\n\t\t\t\t\t * @error plugincollection-plugin-for-replacing-not-loaded\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError( 'plugincollection-plugin-for-replacing-not-loaded', null, { pluginName } );\n\t\t\t\t}\n\n\t\t\t\tif ( pluginToReplace.requires && pluginToReplace.requires.length ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * The replaced plugin cannot depend on other plugins.\n\t\t\t\t\t *\n\t\t\t\t\t * @error plugincollection-replaced-plugin-cannot-have-dependencies\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError( 'plugincollection-replaced-plugin-cannot-have-dependencies', null, { pluginName } );\n\t\t\t\t}\n\n\t\t\t\tpluginConstructors.splice( indexInPluginConstructors, 1, pluginItem );\n\t\t\t\tthat._availablePlugins.set( pluginName, pluginItem );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Destroys all loaded plugins.\n\t *\n\t * @returns {Promise}\n\t */\n\tdestroy() {\n\t\tconst promises = [];\n\n\t\tfor ( const [ , pluginInstance ] of this ) {\n\t\t\tif ( typeof pluginInstance.destroy == 'function' && !this._contextPlugins.has( pluginInstance ) ) {\n\t\t\t\tpromises.push( pluginInstance.destroy() );\n\t\t\t}\n\t\t}\n\n\t\treturn Promise.all( promises );\n\t}\n\n\t/**\n\t * Adds the plugin to the collection. Exposed mainly for testing purposes.\n\t *\n\t * @protected\n\t * @param {Function} PluginConstructor The plugin constructor.\n\t * @param {module:core/plugin~PluginInterface} plugin The instance of the plugin.\n\t */\n\t_add( PluginConstructor, plugin ) {\n\t\tthis._plugins.set( PluginConstructor, plugin );\n\n\t\tconst pluginName = PluginConstructor.pluginName;\n\n\t\tif ( !pluginName ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( this._plugins.has( pluginName ) ) {\n\t\t\t/**\n\t\t\t * Two plugins with the same {@link module:core/plugin~PluginInterface.pluginName} were loaded.\n\t\t\t * This will lead to runtime conflicts between these plugins.\n\t\t\t *\n\t\t\t * In practice, this warning usually means that new plugins were added to an existing CKEditor 5 build.\n\t\t\t * Plugins should always be added to a source version of the editor (`@ckeditor/ckeditor5-editor-*`),\n\t\t\t * not to an editor imported from one of the `@ckeditor/ckeditor5-build-*` packages.\n\t\t\t *\n\t\t\t * Check your import paths and the list of plugins passed to\n\t\t\t * {@link module:core/editor/editor~Editor.create `Editor.create()`}\n\t\t\t * or specified in {@link module:core/editor/editor~Editor.builtinPlugins `Editor.builtinPlugins`}.\n\t\t\t *\n\t\t\t * The second option is that your `node_modules/` directory contains duplicated versions of the same\n\t\t\t * CKEditor 5 packages. Normally, on clean installations, npm deduplicates packages in `node_modules/`, so\n\t\t\t * it may be enough to call `rm -rf node_modules && npm i`. However, if you installed conflicting versions\n\t\t\t * of some packages, their dependencies may need to be installed in more than one version which may lead to this\n\t\t\t * warning.\n\t\t\t *\n\t\t\t * Technically speaking, this error occurs because after adding a plugin to an existing editor build\n\t\t\t * the dependencies of this plugin are being duplicated.\n\t\t\t * They are already built into that editor build and now get added for the second time as dependencies\n\t\t\t * of the plugin you are installing.\n\t\t\t *\n\t\t\t * Read more about {@glink builds/guides/integration/installing-plugins installing plugins}.\n\t\t\t *\n\t\t\t * @error plugincollection-plugin-name-conflict\n\t\t\t * @param {String} pluginName The duplicated plugin name.\n\t\t\t * @param {Function} plugin1 The first plugin constructor.\n\t\t\t * @param {Function} plugin2 The second plugin constructor.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'plugincollection-plugin-name-conflict',\n\t\t\t\tnull,\n\t\t\t\t{ pluginName, plugin1: this._plugins.get( pluginName ).constructor, plugin2: PluginConstructor }\n\t\t\t);\n\t\t}\n\n\t\tthis._plugins.set( pluginName, plugin );\n\t}\n}\n\nmix( PluginCollection, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/toarray\n */\n\n/**\n * Transforms any value to an array. If the provided value is already an array, it is returned unchanged.\n *\n * @param {*} data The value to transform to an array.\n * @returns {Array} An array created from data.\n */\nexport default function toArray( data ) {\n\treturn Array.isArray( data ) ? data : [ data ];\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals window */\n\n/**\n * @module utils/translation-service\n */\n\nimport CKEditorError from './ckeditorerror';\n\n/* istanbul ignore else */\nif ( !window.CKEDITOR_TRANSLATIONS ) {\n\twindow.CKEDITOR_TRANSLATIONS = {};\n}\n\n/**\n * Adds translations to existing ones or overrides the existing translations. These translations will later\n * be available for the {@link module:utils/locale~Locale#t `t()`} function.\n *\n * The `translations` is an object which consists of `messageId: translation` pairs. Note that the message ID can be\n * either constructed from the message string or from the message ID if it was passed\n * (this happens rarely and mostly for short messages or messages with placeholders).\n * Since the editor displays only the message string, the message ID can be found either in the source code or in the\n * built translations for another language.\n *\n *\t\tadd( 'pl', {\n *\t\t\t'Cancel': 'Anuluj',\n *\t\t\t'IMAGE': 'obraz', // Note that the `IMAGE` comes from the message ID, while the string can be `image`.\n *\t\t} );\n *\n * If the message is supposed to support various plural forms, make sure to provide an array with the singular form and all plural forms:\n *\n *\t\tadd( 'pl', {\n *\t \t\t'Add space': [ 'Dodaj spację', 'Dodaj %0 spacje', 'Dodaj %0 spacji' ]\n * \t\t} );\n *\n * You should also specify the third argument (the `getPluralForm()` function) that will be used to determine the plural form if no\n * language file was loaded for that language. All language files coming from CKEditor 5 sources will have this option set, so\n * these plural form rules will be reused by other translations added to the registered languages. The `getPluralForm()` function\n * can return either a Boolean or a number.\n *\n * \t\tadd( 'en', {\n *\t \t\t// ... Translations.\n * \t\t}, n => n !== 1 );\n * \t\tadd( 'pl', {\n *\t \t\t// ... Translations.\n * \t\t}, n => n == 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && ( n % 100 < 10 || n % 100 >= 20 ) ? 1 : 2 );\n *\n * All translations extend the global `window.CKEDITOR_TRANSLATIONS` object. An example of this object can be found below:\n *\n * \t\t{\n * \t\t\tpl: {\n *\t\t\t\tdictionary: {\n *\t\t\t\t\t'Cancel': 'Anuluj',\n *\t\t\t\t\t'Add space': [ 'Dodaj spację', 'Dodaj %0 spacje', 'Dodaj %0 spacji' ]\n *\t\t\t\t},\n *\t\t\t\t// A function that returns the plural form index.\n *\t\t\t\tgetPluralForm: n => n !==1\n *\t\t\t}\n *\t\t\t// Other languages.\n *\t\t}\n *\n * If you cannot import this function from this module (e.g. because you use a CKEditor 5 build), you can\n * still add translations by extending the global `window.CKEDITOR_TRANSLATIONS` object by using a function like\n * the one below:\n *\n *\t\tfunction addTranslations( language, translations, getPluralForm ) {\n *\t\t\tif ( !window.CKEDITOR_TRANSLATIONS ) {\n *\t\t\t\twindow.CKEDITOR_TRANSLATIONS = {};\n *\t\t\t}\n\n *\t\t\tif ( !window.CKEDITOR_TRANSLATIONS[ language ] ) {\n *\t\t\t\twindow.CKEDITOR_TRANSLATIONS[ language ] = {};\n *\t\t\t}\n *\n *\t\t\tconst languageTranslations = window.CKEDITOR_TRANSLATIONS[ language ];\n *\n * \t\t\tlanguageTranslations.dictionary = languageTranslations.dictionary || {};\n * \t\t\tlanguageTranslations.getPluralForm = getPluralForm || languageTranslations.getPluralForm;\n *\n *\t\t\t// Extend the dictionary for the given language.\n *\t\t\tObject.assign( languageTranslations.dictionary, translations );\n *\t\t}\n *\n * @param {String} language Target language.\n * @param {Object.<String,*>} translations An object with translations which will be added to the dictionary.\n * For each message ID the value should be either a translation or an array of translations if the message\n * should support plural forms.\n * @param {Function} getPluralForm A function that returns the plural form index (a number).\n */\nexport function add( language, translations, getPluralForm ) {\n\tif ( !window.CKEDITOR_TRANSLATIONS[ language ] ) {\n\t\twindow.CKEDITOR_TRANSLATIONS[ language ] = {};\n\t}\n\n\tconst languageTranslations = window.CKEDITOR_TRANSLATIONS[ language ];\n\n\tlanguageTranslations.dictionary = languageTranslations.dictionary || {};\n\tlanguageTranslations.getPluralForm = getPluralForm || languageTranslations.getPluralForm;\n\n\tObject.assign( languageTranslations.dictionary, translations );\n}\n\n/**\n * **Note:** This method is internal, use {@link module:utils/locale~Locale#t the `t()` function} instead to translate\n * the editor UI parts.\n *\n * This function is responsible for translating messages to the specified language. It uses translations added perviously\n * by {@link module:utils/translation-service~add} (a translations dictionary and the `getPluralForm()` function\n * to provide accurate translations of plural forms).\n *\n * When no translation is defined in the dictionary or the dictionary does not exist, this function returns\n * the original message string or the message plural depending on the number of elements.\n *\n *\t\ttranslate( 'pl', { string: 'Cancel' } ); // 'Cancel'\n *\n * The third optional argument is the number of elements, based on which the single form or one of the plural forms\n * should be picked when the message is supposed to support various plural forms.\n *\n * \t\ttranslate( 'en', { string: 'Add a space', plural: 'Add %0 spaces' }, 1 ); // 'Add a space'\n * \t\ttranslate( 'en', { string: 'Add a space', plural: 'Add %0 spaces' }, 3 ); // 'Add %0 spaces'\n *\n * The message should provide an ID using the `id` property when the message strings are not unique and their\n * translations should be different.\n *\n *\t\ttranslate( 'en', { string: 'image', id: 'ADD_IMAGE' } );\n *\t\ttranslate( 'en', { string: 'image', id: 'AN_IMAGE' } );\n *\n * @protected\n * @param {String} language Target language.\n * @param {module:utils/translation-service~Message} message A message that will be translated.\n * @param {Number} [quantity] The number of elements for which a plural form should be picked from the target language dictionary.\n * @returns {String} Translated sentence.\n */\nexport function _translate( language, message, quantity = 1 ) {\n\tif ( typeof quantity !== 'number' ) {\n\t\t/**\n\t\t * An incorrect value was passed to the translation function. This was probably caused\n\t\t * by an incorrect message interpolation of a plural form. Note that for messages supporting plural forms\n\t\t * the second argument of the `t()` function should always be a number or an array with a number as the first element.\n\t\t *\n\t\t * @error translation-service-quantity-not-a-number\n\t\t */\n\t\tthrow new CKEditorError( 'translation-service-quantity-not-a-number', null, { quantity } );\n\t}\n\n\tconst numberOfLanguages = getNumberOfLanguages();\n\n\tif ( numberOfLanguages === 1 ) {\n\t\t// Override the language to the only supported one.\n\t\t// This can't be done in the `Locale` class, because the translations comes after the `Locale` class initialization.\n\t\tlanguage = Object.keys( window.CKEDITOR_TRANSLATIONS )[ 0 ];\n\t}\n\n\tconst messageId = message.id || message.string;\n\n\tif ( numberOfLanguages === 0 || !hasTranslation( language, messageId ) ) {\n\t\tif ( quantity !== 1 ) {\n\t\t\t// Return the default plural form that was passed in the `message.plural` parameter.\n\t\t\treturn message.plural;\n\t\t}\n\n\t\treturn message.string;\n\t}\n\n\tconst dictionary = window.CKEDITOR_TRANSLATIONS[ language ].dictionary;\n\tconst getPluralForm = window.CKEDITOR_TRANSLATIONS[ language ].getPluralForm || ( n => n === 1 ? 0 : 1 );\n\n\tif ( typeof dictionary[ messageId ] === 'string' ) {\n\t\treturn dictionary[ messageId ];\n\t}\n\n\tconst pluralFormIndex = Number( getPluralForm( quantity ) );\n\n\t// Note: The `translate` function is not responsible for replacing `%0, %1, ...` with values.\n\treturn dictionary[ messageId ][ pluralFormIndex ];\n}\n\n/**\n * Clears dictionaries for test purposes.\n *\n * @protected\n */\nexport function _clear() {\n\twindow.CKEDITOR_TRANSLATIONS = {};\n}\n\n// Checks whether the dictionary exists and translation in that dictionary exists.\nfunction hasTranslation( language, messageId ) {\n\treturn (\n\t\t!!window.CKEDITOR_TRANSLATIONS[ language ] &&\n\t\t!!window.CKEDITOR_TRANSLATIONS[ language ].dictionary[ messageId ]\n\t);\n}\n\nfunction getNumberOfLanguages() {\n\treturn Object.keys( window.CKEDITOR_TRANSLATIONS ).length;\n}\n\n/**\n * The internationalization message interface. A message that implements this interface can be passed to the `t()` function\n * to be translated to the target UI language.\n *\n * @typedef {Object} module:utils/translation-service~Message\n *\n * @property {String} string The message string to translate. Acts as a default translation if the translation for a given language\n * is not defined. When the message is supposed to support plural forms, the string should be the English singular form of the message.\n * @property {String} [id] The message ID. If passed, the message ID is taken from this property instead of the `message.string`.\n * This property is useful when various messages share the same message string, for example, the `editor` string in `in the editor`\n * and `my editor` sentences.\n * @property {String} [plural] The plural form of the message. This property should be skipped when a message is not supposed\n * to support plural forms. Otherwise it should always be set to a string with the English plural form of the message.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/language\n */\n\nconst RTL_LANGUAGE_CODES = [\n\t'ar', 'ara', // Arabic\n\t'fa', 'per', 'fas', // Persian\n\t'he', 'heb', // Hebrew\n\t'ku', 'kur', // Kurdish\n\t'ug', 'uig' // Uighur, Uyghur\n];\n\n/**\n * Helps determine whether a language text direction is LTR or RTL.\n *\n * @param {String} language The ISO 639-1 or ISO 639-2 language code.\n * @returns {'ltr'|'rtl'}\n */\nexport function getLanguageDirection( languageCode ) {\n\treturn RTL_LANGUAGE_CODES.includes( languageCode ) ? 'rtl' : 'ltr';\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/locale\n */\n\n/* globals console */\n\nimport toArray from './toarray';\nimport { _translate } from './translation-service';\nimport { getLanguageDirection } from './language';\n\n/**\n * Represents the localization services.\n */\nexport default class Locale {\n\t/**\n\t * Creates a new instance of the locale class. Learn more about\n\t * {@glink features/ui-language configuring the language of the editor}.\n\t *\n\t * @param {Object} [options] Locale configuration.\n\t * @param {String} [options.uiLanguage='en'] The editor UI language code in the\n\t * [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format. See {@link #uiLanguage}.\n\t * @param {String} [options.contentLanguage] The editor content language code in the\n\t * [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format. If not specified, the same as `options.language`.\n\t * See {@link #contentLanguage}.\n\t */\n\tconstructor( options = {} ) {\n\t\t/**\n\t\t * The editor UI language code in the [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format.\n\t\t *\n\t\t * If the {@link #contentLanguage content language} was not specified in the `Locale` constructor,\n\t\t * it also defines the language of the content.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.uiLanguage = options.uiLanguage || 'en';\n\n\t\t/**\n\t\t * The editor content language code in the [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format.\n\t\t *\n\t\t * Usually the same as the {@link #uiLanguage editor language}, it can be customized by passing an optional\n\t\t * argument to the `Locale` constructor.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.contentLanguage = options.contentLanguage || this.uiLanguage;\n\n\t\t/**\n\t\t * Text direction of the {@link #uiLanguage editor UI language}. Either `'ltr'` or `'rtl'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.uiLanguageDirection = getLanguageDirection( this.uiLanguage );\n\n\t\t/**\n\t\t * Text direction of the {@link #contentLanguage editor content language}.\n\t\t *\n\t\t * If the content language was passed directly to the `Locale` constructor, this property represents the\n\t\t * direction of that language.\n\t\t *\n\t\t * If the {@link #contentLanguage editor content language} was derived from the {@link #uiLanguage editor language},\n\t\t * the content language direction is the same as the {@link #uiLanguageDirection UI language direction}.\n\t\t *\n\t\t * The value is either `'ltr'` or `'rtl'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.contentLanguageDirection = getLanguageDirection( this.contentLanguage );\n\n\t\t/**\n\t\t * Translates the given message to the {@link #uiLanguage}. This method is also available in\n\t\t * {@link module:core/editor/editor~Editor#t `Editor`} and {@link module:ui/view~View#t `View`}.\n\t\t *\n\t\t * This method's context is statically bound to the `Locale` instance and **should always be called as a function**:\n\t\t *\n\t\t *\t\tconst t = locale.t;\n\t\t *\t\tt( 'Label' );\n\t\t *\n\t\t * The message can be either a string or an object implementing the {@link module:utils/translation-service~Message} interface.\n\t\t *\n\t\t * The message may contain placeholders (`%<index>`) for value(s) that are passed as a `values` parameter.\n\t\t * For an array of values, the `%<index>` will be changed to an element of that array at the given index.\n\t\t * For a single value passed as the second argument, only the `%0` placeholders will be changed to the provided value.\n\t\t *\n\t\t *\t\tt( 'Created file \"%0\" in %1ms.', [ fileName, timeTaken ] );\n\t\t * \t\tt( 'Created file \"%0\", fileName );\n\t\t *\n\t\t * The message supports plural forms. To specify the plural form, use the `plural` property. Singular or plural form\n\t\t * will be chosen depending on the first value from the passed `values`. The value of the `plural` property is used\n\t\t * as a default plural translation when the translation for the target language is missing.\n\t\t *\n\t\t *\t\tt( { string: 'Add a space', plural: 'Add %0 spaces' }, 1 ); // 'Add a space' for the English language.\n\t\t *\t\tt( { string: 'Add a space', plural: 'Add %0 spaces' }, 5 ); // 'Add 5 spaces' for the English language.\n\t\t *\t\tt( { string: '%1 a space', plural: '%1 %0 spaces' }, [ 2, 'Add' ] ); // 'Add 2 spaces' for the English language.\n\t\t *\n\t\t * \t\tt( { string: 'Add a space', plural: 'Add %0 spaces' }, 1 ); // 'Dodaj spację' for the Polish language.\n\t\t *\t\tt( { string: 'Add a space', plural: 'Add %0 spaces' }, 5 ); // 'Dodaj 5 spacji' for the Polish language.\n\t\t *\t\tt( { string: '%1 a space', plural: '%1 %0 spaces' }, [ 2, 'Add' ] ); // 'Dodaj 2 spacje' for the Polish language.\n\t\t *\n\t\t *  * The message should provide an ID using the `id` property when the message strings are not unique and their\n\t\t * translations should be different.\n\t\t *\n\t\t *\t\ttranslate( 'en', { string: 'image', id: 'ADD_IMAGE' } );\n\t\t *\t\ttranslate( 'en', { string: 'image', id: 'AN_IMAGE' } );\n\t\t *\n\t\t * @method #t\n\t\t * @param {String|module:utils/translation-service~Message} message A message that will be localized (translated).\n\t\t * @param {String|Number|Array.<String|Number>} [values] A value or an array of values that will fill message placeholders.\n\t\t * For messages supporting plural forms the first value will determine the plural form.\n\t\t * @returns {String}\n\t\t */\n\t\tthis.t = ( message, values ) => this._t( message, values );\n\t}\n\n\t/**\n\t * The editor UI language code in the [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) format.\n\t *\n\t * **Note**: This property was deprecated. Please use {@link #uiLanguage} and {@link #contentLanguage}\n\t * properties instead.\n\t *\n\t * @deprecated\n\t * @member {String}\n\t */\n\tget language() {\n\t\t/**\n\t\t * The {@link module:utils/locale~Locale#language `Locale#language`} property was deprecated and will\n\t\t * be removed in the near future. Please use the {@link #uiLanguage} and {@link #contentLanguage} properties instead.\n\t\t *\n\t\t * @error locale-deprecated-language-property\n\t\t */\n\t\tconsole.warn(\n\t\t\t'locale-deprecated-language-property: ' +\n\t\t\t'The Locale#language property has been deprecated and will be removed in the near future. ' +\n\t\t\t'Please use #uiLanguage and #contentLanguage properties instead.' );\n\n\t\treturn this.uiLanguage;\n\t}\n\n\t/**\n\t * An unbound version of the {@link #t} method.\n\t *\n\t * @private\n\t * @param {String|module:utils/translation-service~Message} message\n\t * @param {Number|String|Array.<Number|String>} [values]\n\t * @returns {String}\n\t */\n\t_t( message, values = [] ) {\n\t\tvalues = toArray( values );\n\n\t\tif ( typeof message === 'string' ) {\n\t\t\tmessage = { string: message };\n\t\t}\n\n\t\tconst hasPluralForm = !!message.plural;\n\t\tconst quantity = hasPluralForm ? values[ 0 ] : 1;\n\n\t\tconst translatedString = _translate( this.uiLanguage, message, quantity );\n\n\t\treturn interpolateString( translatedString, values );\n\t}\n}\n\n// Fills the `%0, %1, ...` string placeholders with values.\nfunction interpolateString( string, values ) {\n\treturn string.replace( /%(\\d+)/g, ( match, index ) => {\n\t\treturn ( index < values.length ) ? values[ index ] : match;\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/context\n */\n\nimport Config from '@ckeditor/ckeditor5-utils/src/config';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport PluginCollection from './plugincollection';\nimport Locale from '@ckeditor/ckeditor5-utils/src/locale';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Provides a common, higher-level environment for solutions that use multiple {@link module:core/editor/editor~Editor editors}\n * or plugins that work outside the editor. Use it instead of {@link module:core/editor/editor~Editor.create `Editor.create()`}\n * in advanced application integrations.\n *\n * All configuration options passed to a context will be used as default options for editor instances initialized in that context.\n *\n * {@link module:core/contextplugin~ContextPlugin Context plugins} passed to a context instance will be shared among all\n * editor instances initialized in this context. These will be the same plugin instances for all the editors.\n *\n * **Note:** The context can only be initialized with {@link module:core/contextplugin~ContextPlugin context plugins}\n * (e.g. [comments](https://ckeditor.com/collaboration/comments/)). Regular {@link module:core/plugin~Plugin plugins} require an\n * editor instance to work and cannot be added to a context.\n *\n * **Note:** You can add a context plugin to an editor instance, though.\n *\n * If you are using multiple editor instances on one page and use any context plugins, create a context to share the configuration and\n * plugins among these editors. Some plugins will use the information about all existing editors to better integrate between them.\n *\n * If you are using plugins that do not require an editor to work (e.g. [comments](https://ckeditor.com/collaboration/comments/)),\n * enable and configure them using the context.\n *\n * If you are using only a single editor on each page, use {@link module:core/editor/editor~Editor.create `Editor.create()`} instead.\n * In such case, a context instance will be created by the editor instance in a transparent way.\n *\n * See {@link module:core/context~Context.create `Context.create()`} for usage examples.\n */\nexport default class Context {\n\t/**\n\t * Creates a context instance with a given configuration.\n\t *\n\t * Usually not to be used directly. See the static {@link module:core/context~Context.create `create()`} method.\n\t *\n\t * @param {Object} [config={}] The context configuration.\n\t */\n\tconstructor( config ) {\n\t\t/**\n\t\t * Stores all the configurations specific to this context instance.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/config~Config}\n\t\t */\n\t\tthis.config = new Config( config, this.constructor.defaultConfig );\n\n\t\tconst availablePlugins = this.constructor.builtinPlugins;\n\n\t\tthis.config.define( 'plugins', availablePlugins );\n\n\t\t/**\n\t\t * The plugins loaded and in use by this context instance.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:core/plugincollection~PluginCollection}\n\t\t */\n\t\tthis.plugins = new PluginCollection( this, availablePlugins );\n\n\t\tconst languageConfig = this.config.get( 'language' ) || {};\n\n\t\t/**\n\t\t * @readonly\n\t\t * @type {module:utils/locale~Locale}\n\t\t */\n\t\tthis.locale = new Locale( {\n\t\t\tuiLanguage: typeof languageConfig === 'string' ? languageConfig : languageConfig.ui,\n\t\t\tcontentLanguage: this.config.get( 'language.content' )\n\t\t} );\n\n\t\t/**\n\t\t * Shorthand for {@link module:utils/locale~Locale#t}.\n\t\t *\n\t\t * @see module:utils/locale~Locale#t\n\t\t * @method #t\n\t\t */\n\t\tthis.t = this.locale.t;\n\n\t\t/**\n\t\t * A list of editors that this context instance is injected to.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/collection~Collection}\n\t\t */\n\t\tthis.editors = new Collection();\n\n\t\t/**\n\t\t * Reference to the editor which created the context.\n\t\t * Null when the context was created outside of the editor.\n\t\t *\n\t\t * It is used to destroy the context when removing the editor that has created the context.\n\t\t *\n\t\t * @private\n\t\t * @type {module:core/editor/editor~Editor|null}\n\t\t */\n\t\tthis._contextOwner = null;\n\t}\n\n\t/**\n\t * Loads and initializes plugins specified in the configuration.\n\t *\n\t * @returns {Promise.<module:core/plugin~LoadedPlugins>} A promise which resolves\n\t * once the initialization is completed, providing an array of loaded plugins.\n\t */\n\tinitPlugins() {\n\t\tconst plugins = this.config.get( 'plugins' ) || [];\n\t\tconst substitutePlugins = this.config.get( 'substitutePlugins' ) || [];\n\n\t\t// Plugins for substitution should be checked as well.\n\t\tfor ( const Plugin of plugins.concat( substitutePlugins ) ) {\n\t\t\tif ( typeof Plugin != 'function' ) {\n\t\t\t\t/**\n\t\t\t\t * Only a constructor function is allowed as a {@link module:core/contextplugin~ContextPlugin context plugin}.\n\t\t\t\t *\n\t\t\t\t * @error context-initplugins-constructor-only\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'context-initplugins-constructor-only',\n\t\t\t\t\tnull,\n\t\t\t\t\t{ Plugin }\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tif ( Plugin.isContextPlugin !== true ) {\n\t\t\t\t/**\n\t\t\t\t * Only a plugin marked as a {@link module:core/contextplugin~ContextPlugin.isContextPlugin context plugin}\n\t\t\t\t * is allowed to be used with a context.\n\t\t\t\t *\n\t\t\t\t * @error context-initplugins-invalid-plugin\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'context-initplugins-invalid-plugin',\n\t\t\t\t\tnull,\n\t\t\t\t\t{ Plugin }\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\n\t\treturn this.plugins.init( plugins, [], substitutePlugins );\n\t}\n\n\t/**\n\t * Destroys the context instance and all editors used with the context,\n\t * releasing all resources used by the context.\n\t *\n\t * @returns {Promise} A promise that resolves once the context instance is fully destroyed.\n\t */\n\tdestroy() {\n\t\treturn Promise.all( Array.from( this.editors, editor => editor.destroy() ) )\n\t\t\t.then( () => this.plugins.destroy() );\n\t}\n\n\t/**\n\t * Adds a reference to the editor which is used with this context.\n\t *\n\t * When the given editor has created the context, the reference to this editor will be stored\n\t * as a {@link ~Context#_contextOwner}.\n\t *\n\t * This method should only be used by the editor.\n\t *\n\t * @protected\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {Boolean} isContextOwner Stores the given editor as a context owner.\n\t */\n\t_addEditor( editor, isContextOwner ) {\n\t\tif ( this._contextOwner ) {\n\t\t\t/**\n\t\t\t * Cannot add multiple editors to the context which is created by the editor.\n\t\t\t *\n\t\t\t * @error context-addeditor-private-context\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'context-addeditor-private-context' );\n\t\t}\n\n\t\tthis.editors.add( editor );\n\n\t\tif ( isContextOwner ) {\n\t\t\tthis._contextOwner = editor;\n\t\t}\n\t}\n\n\t/**\n\t * Removes a reference to the editor which was used with this context.\n\t * When the context was created by the given editor, the context will be destroyed.\n\t *\n\t * This method should only be used by the editor.\n\t *\n\t * @protected\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @return {Promise} A promise that resolves once the editor is removed from the context or when the context was destroyed.\n\t */\n\t_removeEditor( editor ) {\n\t\tif ( this.editors.has( editor ) ) {\n\t\t\tthis.editors.remove( editor );\n\t\t}\n\n\t\tif ( this._contextOwner === editor ) {\n\t\t\treturn this.destroy();\n\t\t}\n\n\t\treturn Promise.resolve();\n\t}\n\n\t/**\n\t * Returns the context configuration which will be copied to the editors created using this context.\n\t *\n\t * The configuration returned by this method has the plugins configuration removed &mdash; plugins are shared with all editors\n\t * through another mechanism.\n\t *\n\t * This method should only be used by the editor.\n\t *\n\t * @protected\n\t * @returns {Object} Configuration as a plain object.\n\t */\n\t_getEditorConfig() {\n\t\tconst result = {};\n\n\t\tfor ( const name of this.config.names() ) {\n\t\t\tif ( ![ 'plugins', 'removePlugins', 'extraPlugins' ].includes( name ) ) {\n\t\t\t\tresult[ name ] = this.config.get( name );\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Creates and initializes a new context instance.\n\t *\n\t *\t\tconst commonConfig = { ... }; // Configuration for all the plugins and editors.\n\t *\t\tconst editorPlugins = [ ... ]; // Regular plugins here.\n\t *\n\t *\t\tContext\n\t *\t\t\t.create( {\n\t *\t\t\t\t// Only context plugins here.\n\t *\t\t\t\tplugins: [ ... ],\n\t *\n\t *\t\t\t\t// Configure the language for all the editors (it cannot be overwritten).\n\t *\t\t\t\tlanguage: { ... },\n\t *\n\t *\t\t\t\t// Configuration for context plugins.\n\t *\t\t\t\tcomments: { ... },\n\t *\t\t\t\t...\n\t *\n\t *\t\t\t\t// Default configuration for editor plugins.\n\t *\t\t\t\ttoolbar: { ... },\n\t *\t\t\t\timage: { ... },\n\t *\t\t\t\t...\n\t *\t\t\t} )\n\t *\t\t\t.then( context => {\n\t *\t\t\t\tconst promises = [];\n\t *\n\t *\t\t\t\tpromises.push( ClassicEditor.create(\n\t *\t\t\t\t\tdocument.getElementById( 'editor1' ),\n\t *\t\t\t\t\t{\n\t *\t\t\t\t\t\teditorPlugins,\n\t *\t\t\t\t\t\tcontext\n\t *\t\t\t\t\t}\n\t *\t\t\t\t) );\n\t *\n\t *\t\t\t\tpromises.push( ClassicEditor.create(\n\t *\t\t\t\t\tdocument.getElementById( 'editor2' ),\n\t *\t\t\t\t\t{\n\t *\t\t\t\t\t\teditorPlugins,\n\t *\t\t\t\t\t\tcontext,\n\t *\t\t\t\t\t\ttoolbar: { ... } // You can overwrite the configuration of the context.\n\t *\t\t\t\t\t}\n\t *\t\t\t\t) );\n\t *\n\t *\t\t\t\treturn Promise.all( promises );\n\t *\t\t\t} );\n\t *\n\t * @param {Object} [config] The context configuration.\n\t * @returns {Promise} A promise resolved once the context is ready. The promise resolves with the created context instance.\n\t */\n\tstatic create( config ) {\n\t\treturn new Promise( resolve => {\n\t\t\tconst context = new this( config );\n\n\t\t\tresolve( context.initPlugins().then( () => context ) );\n\t\t} );\n\t}\n}\n\n/**\n * An array of plugins built into the `Context` class.\n *\n * It is used in CKEditor 5 builds featuring `Context` to provide a list of context plugins which are later automatically initialized\n * during the context initialization.\n *\n * They will be automatically initialized by `Context` unless `config.plugins` is passed.\n *\n *\t\t// Build some context plugins into the Context class first.\n *\t\tContext.builtinPlugins = [ FooPlugin, BarPlugin ];\n *\n *\t\t// Normally, you need to define config.plugins, but since Context.builtinPlugins was\n *\t\t// defined, now you can call create() without any configuration.\n *\t\tContext\n *\t\t\t.create()\n *\t\t\t.then( context => {\n *\t\t\t\tcontext.plugins.get( FooPlugin ); // -> An instance of the Foo plugin.\n *\t\t\t\tcontext.plugins.get( BarPlugin ); // -> An instance of the Bar plugin.\n *\t\t\t} );\n *\n * See also {@link module:core/context~Context.defaultConfig `Context.defaultConfig`}\n * and {@link module:core/editor/editor~Editor.builtinPlugins `Editor.builtinPlugins`}.\n *\n * @static\n * @member {Array.<Function>} module:core/context~Context.builtinPlugins\n */\n\n/**\n * The default configuration which is built into the `Context` class.\n *\n * It is used in CKEditor 5 builds featuring `Context` to provide the default configuration options which are later used during the\n * context initialization.\n *\n *\t\tContext.defaultConfig = {\n *\t\t\tfoo: 1,\n *\t\t\tbar: 2\n *\t\t};\n *\n *\t\tContext\n *\t\t\t.create()\n *\t\t\t.then( context => {\n *\t\t\t\tcontext.config.get( 'foo' ); // -> 1\n *\t\t\t\tcontext.config.get( 'bar' ); // -> 2\n *\t\t\t} );\n *\n *\t\t// The default options can be overridden by the configuration passed to create().\n *\t\tContext\n *\t\t\t.create( { bar: 3 } )\n *\t\t\t.then( context => {\n *\t\t\t\tcontext.config.get( 'foo' ); // -> 1\n *\t\t\t\tcontext.config.get( 'bar' ); // -> 3\n *\t\t\t} );\n *\n * See also {@link module:core/context~Context.builtinPlugins `Context.builtinPlugins`}\n * and {@link module:core/editor/editor~Editor.defaultConfig `Editor.defaultConfig`}.\n *\n * @static\n * @member {Object} module:core/context~Context.defaultConfig\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/contextplugin\n */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The base class for {@link module:core/context~Context} plugin classes.\n *\n * A context plugin can either be initialized for an {@link module:core/editor/editor~Editor editor} or for\n * a {@link module:core/context~Context context}. In other words, it can either\n * work within one editor instance or with one or more editor instances that use a single context.\n * It is the context plugin's role to implement handling for both modes.\n *\n * There are a few rules for interaction between the editor plugins and context plugins:\n *\n * * A context plugin can require another context plugin.\n * * An {@link module:core/plugin~Plugin editor plugin} can require a context plugin.\n * * A context plugin MUST NOT require an {@link module:core/plugin~Plugin editor plugin}.\n *\n * @implements module:core/plugin~PluginInterface\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class ContextPlugin {\n\t/**\n\t * Creates a new plugin instance.\n\t *\n\t * @param {module:core/context~Context|module:core/editor/editor~Editor} context\n\t */\n\tconstructor( context ) {\n\t\t/**\n\t\t * The context instance.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:core/context~Context|module:core/editor/editor~Editor}\n\t\t */\n\t\tthis.context = context;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get isContextPlugin() {\n\t\treturn true;\n\t}\n}\n\nmix( ContextPlugin, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/comparearrays\n */\n\n/**\n * Compares how given arrays relate to each other. One array can be: same as another array, prefix of another array\n * or completely different. If arrays are different, first index at which they differ is returned. Otherwise,\n * a flag specifying the relation is returned. Flags are negative numbers, so whenever a number >= 0 is returned\n * it means that arrays differ.\n *\n *\t\tcompareArrays( [ 0, 2 ], [ 0, 2 ] );\t\t// 'same'\n *\t\tcompareArrays( [ 0, 2 ], [ 0, 2, 1 ] );\t\t// 'prefix'\n *\t\tcompareArrays( [ 0, 2 ], [ 0 ] );\t\t\t// 'extension'\n *\t\tcompareArrays( [ 0, 2 ], [ 1, 2 ] );\t\t// 0\n *\t\tcompareArrays( [ 0, 2 ], [ 0, 1 ] );\t\t// 1\n *\n * @param {Array} a Array that is compared.\n * @param {Array} b Array to compare with.\n * @returns {module:utils/comparearrays~ArrayRelation} How array `a` is related to `b`.\n */\nexport default function compareArrays( a, b ) {\n\tconst minLen = Math.min( a.length, b.length );\n\n\tfor ( let i = 0; i < minLen; i++ ) {\n\t\tif ( a[ i ] != b[ i ] ) {\n\t\t\t// The arrays are different.\n\t\t\treturn i;\n\t\t}\n\t}\n\n\t// Both arrays were same at all points.\n\tif ( a.length == b.length ) {\n\t\t// If their length is also same, they are the same.\n\t\treturn 'same';\n\t} else if ( a.length < b.length ) {\n\t\t// Compared array is shorter so it is a prefix of the other array.\n\t\treturn 'prefix';\n\t} else {\n\t\t// Compared array is longer so it is an extension of the other array.\n\t\treturn 'extension';\n\t}\n}\n\n/**\n * @typedef {'extension'|'same'|'prefix'} module:utils/comparearrays~ArrayRelation\n */\n","import baseClone from './_baseClone.js';\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_SYMBOLS_FLAG = 4;\n\n/**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\nfunction clone(value) {\n  return baseClone(value, CLONE_SYMBOLS_FLAG);\n}\n\nexport default clone;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/node\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\nimport { clone } from 'lodash-es';\n\n// To check if component is loaded more than once.\nimport '@ckeditor/ckeditor5-utils/src/version';\n\n/**\n * Abstract view node class.\n *\n * This is an abstract class. Its constructor should not be used directly.\n * Use the {@link module:engine/view/downcastwriter~DowncastWriter} or {@link module:engine/view/upcastwriter~UpcastWriter}\n * to create new instances of view nodes.\n *\n * @abstract\n */\nexport default class Node {\n\t/**\n\t * Creates a tree view node.\n\t *\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this node belongs.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * The document instance to which this node belongs.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\n\t\t/**\n\t\t * Parent element. Null by default. Set by {@link module:engine/view/element~Element#_insertChild}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment|null}\n\t\t */\n\t\tthis.parent = null;\n\t}\n\n\t/**\n\t * Index of the node in the parent element or null if the node has no parent.\n\t *\n\t * Accessing this property throws an error if this node's parent element does not contain it.\n\t * This means that view tree got broken.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget index() {\n\t\tlet pos;\n\n\t\tif ( !this.parent ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// No parent or child doesn't exist in parent's children.\n\t\tif ( ( pos = this.parent.getChildIndex( this ) ) == -1 ) {\n\t\t\t/**\n\t\t\t * The node's parent does not contain this node. It means that the document tree is corrupted.\n\t\t\t *\n\t\t\t * @error view-node-not-found-in-parent\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-node-not-found-in-parent', this );\n\t\t}\n\n\t\treturn pos;\n\t}\n\n\t/**\n\t * Node's next sibling, or `null` if it is the last child.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|null}\n\t */\n\tget nextSibling() {\n\t\tconst index = this.index;\n\n\t\treturn ( index !== null && this.parent.getChild( index + 1 ) ) || null;\n\t}\n\n\t/**\n\t * Node's previous sibling, or `null` if it is the first child.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|null}\n\t */\n\tget previousSibling() {\n\t\tconst index = this.index;\n\n\t\treturn ( index !== null && this.parent.getChild( index - 1 ) ) || null;\n\t}\n\n\t/**\n\t * Top-most ancestor of the node. If the node has no parent it is the root itself.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\tlet root = this; // eslint-disable-line consistent-this\n\n\t\twhile ( root.parent ) {\n\t\t\troot = root.parent;\n\t\t}\n\n\t\treturn root;\n\t}\n\n\t/**\n\t * Returns true if the node is in a tree rooted in the document (is a descendant of one of its roots).\n\t *\n\t * @returns {Boolean}\n\t */\n\tisAttached() {\n\t\treturn this.root.is( 'rootElement' );\n\t}\n\n\t/**\n\t * Gets a path to the node. The path is an array containing indices of consecutive ancestors of this node,\n\t * beginning from {@link module:engine/view/node~Node#root root}, down to this node's index.\n\t *\n\t *\t\tconst abc = downcastWriter.createText( 'abc' );\n\t *\t\tconst foo = downcastWriter.createText( 'foo' );\n\t *\t\tconst h1 = downcastWriter.createElement( 'h1', null, downcastWriter.createText( 'header' ) );\n\t *\t\tconst p = downcastWriter.createElement( 'p', null, [ abc, foo ] );\n\t *\t\tconst div = downcastWriter.createElement( 'div', null, [ h1, p ] );\n\t *\t\tfoo.getPath(); // Returns [ 1, 3 ]. `foo` is in `p` which is in `div`. `p` starts at offset 1, while `foo` at 3.\n\t *\t\th1.getPath(); // Returns [ 0 ].\n\t *\t\tdiv.getPath(); // Returns [].\n\t *\n\t * @returns {Array.<Number>} The path.\n\t */\n\tgetPath() {\n\t\tconst path = [];\n\t\tlet node = this; // eslint-disable-line consistent-this\n\n\t\twhile ( node.parent ) {\n\t\t\tpath.unshift( node.index );\n\t\t\tnode = node.parent;\n\t\t}\n\n\t\treturn path;\n\t}\n\n\t/**\n\t * Returns ancestors array of this node.\n\t *\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` this node will be also included in parent's array.\n\t * @param {Boolean} [options.parentFirst=false] When set to `true`, array will be sorted from node's parent to root element,\n\t * otherwise root element will be the first item in the array.\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors( options = { includeSelf: false, parentFirst: false } ) {\n\t\tconst ancestors = [];\n\t\tlet parent = options.includeSelf ? this : this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tancestors[ options.parentFirst ? 'push' : 'unshift' ]( parent );\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn ancestors;\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/view/element~Element} or {@link module:engine/view/documentfragment~DocumentFragment}\n\t * which is a common ancestor of both nodes.\n\t *\n\t * @param {module:engine/view/node~Node} node The second node.\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` both nodes will be considered \"ancestors\" too.\n\t * Which means that if e.g. node A is inside B, then their common ancestor will be B.\n\t * @returns {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor( node, options = {} ) {\n\t\tconst ancestorsA = this.getAncestors( options );\n\t\tconst ancestorsB = node.getAncestors( options );\n\n\t\tlet i = 0;\n\n\t\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n\t}\n\n\t/**\n\t * Returns whether this node is before given node. `false` is returned if nodes are in different trees (for example,\n\t * in different {@link module:engine/view/documentfragment~DocumentFragment}s).\n\t *\n\t * @param {module:engine/view/node~Node} node Node to compare with.\n\t * @returns {Boolean}\n\t */\n\tisBefore( node ) {\n\t\t// Given node is not before this node if they are same.\n\t\tif ( this == node ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Return `false` if it is impossible to compare nodes.\n\t\tif ( this.root !== node.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst thisPath = this.getPath();\n\t\tconst nodePath = node.getPath();\n\n\t\tconst result = compareArrays( thisPath, nodePath );\n\n\t\tswitch ( result ) {\n\t\t\tcase 'prefix':\n\t\t\t\treturn true;\n\n\t\t\tcase 'extension':\n\t\t\t\treturn false;\n\n\t\t\tdefault:\n\t\t\t\treturn thisPath[ result ] < nodePath[ result ];\n\t\t}\n\t}\n\n\t/**\n\t * Returns whether this node is after given node. `false` is returned if nodes are in different trees (for example,\n\t * in different {@link module:engine/view/documentfragment~DocumentFragment}s).\n\t *\n\t * @param {module:engine/view/node~Node} node Node to compare with.\n\t * @returns {Boolean}\n\t */\n\tisAfter( node ) {\n\t\t// Given node is not before this node if they are same.\n\t\tif ( this == node ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Return `false` if it is impossible to compare nodes.\n\t\tif ( this.root !== node.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// In other cases, just check if the `node` is before, and return the opposite.\n\t\treturn !this.isBefore( node );\n\t}\n\n\t/**\n\t * Removes node from parent.\n\t *\n\t * @protected\n\t */\n\t_remove() {\n\t\tthis.parent._removeChildren( this.index );\n\t}\n\n\t/**\n\t * @protected\n\t * @param {module:engine/view/document~ChangeType} type Type of the change.\n\t * @param {module:engine/view/node~Node} node Changed node.\n\t * @fires change\n\t */\n\t_fireChange( type, node ) {\n\t\tthis.fire( 'change:' + type, node );\n\n\t\tif ( this.parent ) {\n\t\t\tthis.parent._fireChange( type, node );\n\t\t}\n\t}\n\n\t/**\n\t * Custom toJSON method to solve child-parent circular dependencies.\n\t *\n\t * @returns {Object} Clone of this object with the parent property removed.\n\t */\n\ttoJSON() {\n\t\tconst json = clone( this );\n\n\t\t// Due to circular references we need to remove parent reference.\n\t\tdelete json.parent;\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t * This method is useful when processing view objects that are of unknown type. For example, a function\n\t * may return a {@link module:engine/view/documentfragment~DocumentFragment} or a {@link module:engine/view/node~Node}\n\t * that can be either a text node or an element. This method can be used to check what kind of object is returned.\n\t *\n\t *\t\tsomeObject.is( 'element' ); // -> true if this is an element\n\t *\t\tsomeObject.is( 'node' ); // -> true if this is a node (a text node or an element)\n\t *\t\tsomeObject.is( 'documentFragment' ); // -> true if this is a document fragment\n\t *\n\t * Since this method is also available on a range of model objects, you can prefix the type of the object with\n\t * `model:` or `view:` to check, for example, if this is the model's or view's element:\n\t *\n\t *\t\tviewElement.is( 'view:element' ); // -> true\n\t *\t\tviewElement.is( 'model:element' ); // -> false\n\t *\n\t * By using this method it is also possible to check a name of an element:\n\t *\n\t *\t\timgElement.is( 'element', 'img' ); // -> true\n\t *\t\timgElement.is( 'view:element', 'img' ); // -> same as above, but more precise\n\t *\n\t * The list of view objects which implement the `is()` method:\n\t *\n\t * * {@link module:engine/view/attributeelement~AttributeElement#is `AttributeElement#is()`}\n\t * * {@link module:engine/view/containerelement~ContainerElement#is `ContainerElement#is()`}\n\t * * {@link module:engine/view/documentfragment~DocumentFragment#is `DocumentFragment#is()`}\n\t * * {@link module:engine/view/documentselection~DocumentSelection#is `DocumentSelection#is()`}\n\t * * {@link module:engine/view/editableelement~EditableElement#is `EditableElement#is()`}\n\t * * {@link module:engine/view/element~Element#is `Element#is()`}\n\t * * {@link module:engine/view/emptyelement~EmptyElement#is `EmptyElement#is()`}\n\t * * {@link module:engine/view/node~Node#is `Node#is()`}\n\t * * {@link module:engine/view/position~Position#is `Position#is()`}\n\t * * {@link module:engine/view/range~Range#is `Range#is()`}\n\t * * {@link module:engine/view/rooteditableelement~RootEditableElement#is `RootEditableElement#is()`}\n\t * * {@link module:engine/view/selection~Selection#is `Selection#is()`}\n\t * * {@link module:engine/view/text~Text#is `Text#is()`}\n\t * * {@link module:engine/view/textproxy~TextProxy#is `TextProxy#is()`}\n\t * * {@link module:engine/view/uielement~UIElement#is `UIElement#is()`}\n\t *\n\t * @method #is\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'node' || type === 'view:node';\n\t}\n\n\t/**\n\t * Clones this node.\n\t *\n\t * @protected\n\t * @method #_clone\n\t * @returns {module:engine/view/node~Node} Clone of this node.\n\t */\n\n\t/**\n\t * Checks if provided node is similar to this node.\n\t *\n\t * @method #isSimilar\n\t * @returns {Boolean} True if nodes are similar.\n\t */\n}\n\n/**\n * Fired when list of {@link module:engine/view/element~Element elements} children changes.\n *\n * Change event is bubbled – it is fired on all ancestors.\n *\n * @event change:children\n * @param {module:engine/view/node~Node} changedNode\n */\n\n/**\n * Fired when list of {@link module:engine/view/element~Element elements} attributes changes.\n *\n * Change event is bubbled – it is fired on all ancestors.\n *\n * @event change:attributes\n * @param {module:engine/view/node~Node} changedNode\n */\n\n/**\n * Fired when {@link module:engine/view/text~Text text nodes} data changes.\n *\n * Change event is bubbled – it is fired on all ancestors.\n *\n * @event change:text\n * @param {module:engine/view/node~Node} changedNode\n */\n\n/**\n * @event change\n */\n\nmix( Node, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/text\n */\n\nimport Node from './node';\n\n/**\n * Tree view text node.\n *\n * The constructor of this class should not be used directly. To create a new text node instance\n * use the {@link module:engine/view/downcastwriter~DowncastWriter#createText `DowncastWriter#createText()`}\n * method when working on data downcasted from the model or the\n * {@link module:engine/view/upcastwriter~UpcastWriter#createText `UpcastWriter#createText()`}\n * method when working on non-semantic views.\n *\n * @extends module:engine/view/node~Node\n */\nexport default class Text extends Node {\n\t/**\n\t * Creates a tree view text node.\n\t *\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this text node belongs.\n\t * @param {String} data The text's data.\n\t */\n\tconstructor( document, data ) {\n\t\tsuper( document );\n\n\t\t/**\n\t\t * The text content.\n\t\t *\n\t\t * Setting the data fires the {@link module:engine/view/node~Node#event:change:text change event}.\n\t\t *\n\t\t * @protected\n\t\t * @member {String} module:engine/view/text~Text#_textData\n\t\t */\n\t\tthis._textData = data;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\ttext.is( '$text' ); // -> true\n\t *\t\ttext.is( 'node' ); // -> true\n\t *\t\ttext.is( 'view:$text' ); // -> true\n\t *\t\ttext.is( 'view:node' ); // -> true\n\t *\n\t *\t\ttext.is( 'model:$text' ); // -> false\n\t *\t\ttext.is( 'element' ); // -> false\n\t *\t\ttext.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * **Note:** Until version 20.0.0 this method wasn't accepting `'$text'` type. The legacy `'text'` type is still\n\t * accepted for backward compatibility.\n\t *\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === '$text' || type === 'view:$text' ||\n\t\t\t// This are legacy values kept for backward compatibility.\n\t\t\ttype === 'text' || type === 'view:text' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype === 'node' || type === 'view:node';\n\t}\n\n\t/**\n\t * The text content.\n\t *\n\t * @readonly\n\t * @type {String}\n\t */\n\tget data() {\n\t\treturn this._textData;\n\t}\n\n\t/**\n\t * The `_data` property is controlled by a getter and a setter.\n\t *\n\t * The getter is required when using the addition assignment operator on protected property:\n\t *\n\t *\t\tconst foo = downcastWriter.createText( 'foo' );\n\t *\t\tconst bar = downcastWriter.createText( 'bar' );\n\t *\n\t *\t\tfoo._data += bar.data;   // executes: `foo._data = foo._data + bar.data`\n\t *\t\tconsole.log( foo.data ); // prints: 'foobar'\n\t *\n\t * If the protected getter didn't exist, `foo._data` will return `undefined` and result of the merge will be invalid.\n\t *\n\t * The setter sets data and fires the {@link module:engine/view/node~Node#event:change:text change event}.\n\t *\n\t * @protected\n\t * @type {String}\n\t */\n\tget _data() {\n\t\treturn this.data;\n\t}\n\n\tset _data( data ) {\n\t\tthis._fireChange( 'text', this );\n\n\t\tthis._textData = data;\n\t}\n\n\t/**\n\t * Checks if this text node is similar to other text node.\n\t * Both nodes should have the same data to be considered as similar.\n\t *\n\t * @param {module:engine/view/text~Text} otherNode Node to check if it is same as this node.\n\t * @returns {Boolean}\n\t */\n\tisSimilar( otherNode ) {\n\t\tif ( !( otherNode instanceof Text ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn this === otherNode || this.data === otherNode.data;\n\t}\n\n\t/**\n\t * Clones this node.\n\t *\n\t * @protected\n\t * @returns {module:engine/view/text~Text} Text node that is a clone of this node.\n\t */\n\t_clone() {\n\t\treturn new Text( this.document, this.data );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `#${ this.data }`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ViewText: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ViewText: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/textproxy\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * TextProxy is a wrapper for substring of {@link module:engine/view/text~Text}. Instance of this class is created by\n * {@link module:engine/view/treewalker~TreeWalker} when only a part of {@link module:engine/view/text~Text} needs to be returned.\n *\n * `TextProxy` has an API similar to {@link module:engine/view/text~Text Text} and allows to do most of the common tasks performed\n * on view nodes.\n *\n * **Note:** Some `TextProxy` instances may represent whole text node, not just a part of it.\n * See {@link module:engine/view/textproxy~TextProxy#isPartial}.\n *\n * **Note:** `TextProxy` is a readonly interface.\n *\n * **Note:** `TextProxy` instances are created on the fly basing on the current state of parent {@link module:engine/view/text~Text}.\n * Because of this it is highly unrecommended to store references to `TextProxy instances because they might get\n * invalidated due to operations on Document. Also TextProxy is not a {@link module:engine/view/node~Node} so it can not be\n * inserted as a child of {@link module:engine/view/element~Element}.\n *\n * `TextProxy` instances are created by {@link module:engine/view/treewalker~TreeWalker view tree walker}. You should not need to create\n * an instance of this class by your own.\n */\nexport default class TextProxy {\n\t/**\n\t * Creates a text proxy.\n\t *\n\t * @protected\n\t * @param {module:engine/view/text~Text} textNode Text node which part is represented by this text proxy.\n\t * @param {Number} offsetInText Offset in {@link module:engine/view/textproxy~TextProxy#textNode text node}\n\t * from which the text proxy starts.\n\t * @param {Number} length Text proxy length, that is how many text node's characters, starting from `offsetInText` it represents.\n\t * @constructor\n\t */\n\tconstructor( textNode, offsetInText, length ) {\n\t\t/**\n\t\t * Reference to the {@link module:engine/view/text~Text} element which TextProxy is a substring.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/text~Text} module:engine/view/textproxy~TextProxy#textNode\n\t\t */\n\t\tthis.textNode = textNode;\n\n\t\tif ( offsetInText < 0 || offsetInText > textNode.data.length ) {\n\t\t\t/**\n\t\t\t * Given offsetInText value is incorrect.\n\t\t\t *\n\t\t\t * @error view-textproxy-wrong-offsetintext\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-textproxy-wrong-offsetintext', this );\n\t\t}\n\n\t\tif ( length < 0 || offsetInText + length > textNode.data.length ) {\n\t\t\t/**\n\t\t\t * Given length value is incorrect.\n\t\t\t *\n\t\t\t * @error view-textproxy-wrong-length\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-textproxy-wrong-length', this );\n\t\t}\n\n\t\t/**\n\t\t * Text data represented by this text proxy.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} module:engine/view/textproxy~TextProxy#data\n\t\t */\n\t\tthis.data = textNode.data.substring( offsetInText, offsetInText + length );\n\n\t\t/**\n\t\t * Offset in the `textNode` where this `TextProxy` instance starts.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} module:engine/view/textproxy~TextProxy#offsetInText\n\t\t */\n\t\tthis.offsetInText = offsetInText;\n\t}\n\n\t/**\n\t * Offset size of this node.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget offsetSize() {\n\t\treturn this.data.length;\n\t}\n\n\t/**\n\t * Flag indicating whether `TextProxy` instance covers only part of the original {@link module:engine/view/text~Text text node}\n\t * (`true`) or the whole text node (`false`).\n\t *\n\t * This is `false` when text proxy starts at the very beginning of {@link module:engine/view/textproxy~TextProxy#textNode textNode}\n\t * ({@link module:engine/view/textproxy~TextProxy#offsetInText offsetInText} equals `0`) and text proxy sizes is equal to\n\t * text node size.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isPartial() {\n\t\treturn this.data.length !== this.textNode.data.length;\n\t}\n\n\t/**\n\t * Parent of this text proxy, which is same as parent of text node represented by this text proxy.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment|null}\n\t */\n\tget parent() {\n\t\treturn this.textNode.parent;\n\t}\n\n\t/**\n\t * Root of this text proxy, which is same as root of text node represented by this text proxy.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.textNode.root;\n\t}\n\n\t/**\n\t * {@link module:engine/view/document~Document View document} that owns this text proxy, or `null` if the text proxy is inside\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment}.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/document~Document|null}\n\t */\n\tget document() {\n\t\treturn this.textNode.document;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\ttextProxy.is( '$textProxy' ); // -> true\n\t *\t\ttextProxy.is( 'view:$textProxy' ); // -> true\n\t *\n\t *\t\ttextProxy.is( 'model:$textProxy' ); // -> false\n\t *\t\ttextProxy.is( 'element' ); // -> false\n\t *\t\ttextProxy.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * **Note:** Until version 20.0.0 this method wasn't accepting `'$textProxy'` type. The legacy `'textProxy'` type is still\n\t * accepted for backward compatibility.\n\t *\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === '$textProxy' || type === 'view:$textProxy' ||\n\t\t\t// This are legacy values kept for backward compatibility.\n\t\t\ttype === 'textProxy' || type === 'view:textProxy';\n\t}\n\n\t/**\n\t * Returns ancestors array of this text proxy.\n\t *\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` {#textNode} will be also included in parent's array.\n\t * @param {Boolean} [options.parentFirst=false] When set to `true`, array will be sorted from text proxy parent to\n\t * root element, otherwise root element will be the first item in the array.\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors( options = { includeSelf: false, parentFirst: false } ) {\n\t\tconst ancestors = [];\n\t\tlet parent = options.includeSelf ? this.textNode : this.parent;\n\n\t\twhile ( parent !== null ) {\n\t\t\tancestors[ options.parentFirst ? 'push' : 'unshift' ]( parent );\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn ancestors;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `#${ this.data }`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ViewTextProxy: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ViewTextProxy: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/tomap\n */\n\nimport objectToMap from './objecttomap';\nimport isIterable from './isiterable';\n\n/**\n * Transforms object or iterable to map. Iterable needs to be in the format acceptable by the `Map` constructor.\n *\n *\t\tmap = toMap( { 'foo': 1, 'bar': 2 } );\n *\t\tmap = toMap( [ [ 'foo', 1 ], [ 'bar', 2 ] ] );\n *\t\tmap = toMap( anotherMap );\n *\n * @param {Object|Iterable} data Object or iterable to transform.\n * @returns {Map} Map created from data.\n */\nexport default function toMap( data ) {\n\tif ( isIterable( data ) ) {\n\t\treturn new Map( data );\n\t} else {\n\t\treturn objectToMap( data );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/objecttomap\n */\n\n/**\n * Transforms object to map.\n *\n *\t\tconst map = objectToMap( { 'foo': 1, 'bar': 2 } );\n *\t\tmap.get( 'foo' ); // 1\n *\n * **Note**: For mixed data (`Object` or `Iterable`) there's a dedicated {@link module:utils/tomap~toMap} function.\n *\n * @param {Object} obj Object to transform.\n * @returns {Map} Map created from object.\n */\nexport default function objectToMap( obj ) {\n\tconst map = new Map();\n\n\tfor ( const key in obj ) {\n\t\tmap.set( key, obj[ key ] );\n\t}\n\n\treturn map;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/matcher\n */\n\nimport { isPlainObject } from 'lodash-es';\n\nimport { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * View matcher class.\n * Instance of this class can be used to find {@link module:engine/view/element~Element elements} that match given pattern.\n */\nexport default class Matcher {\n\t/**\n\t * Creates new instance of Matcher.\n\t *\n\t * @param {String|RegExp|Object} [pattern] Match patterns. See {@link module:engine/view/matcher~Matcher#add add method} for\n\t * more information.\n\t */\n\tconstructor( ...pattern ) {\n\t\t/**\n\t\t * @private\n\t\t * @type {Array<String|RegExp|Object>}\n\t\t */\n\t\tthis._patterns = [];\n\n\t\tthis.add( ...pattern );\n\t}\n\n\t/**\n\t * Adds pattern or patterns to matcher instance.\n\t *\n\t *\t\t// String.\n\t *\t\tmatcher.add( 'div' );\n\t *\n\t *\t\t// Regular expression.\n\t *\t\tmatcher.add( /^\\w/ );\n\t *\n\t *\t\t// Single class.\n\t *\t\tmatcher.add( {\n\t *\t\t\tclasses: 'foobar'\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/view/matcher~MatcherPattern} for more examples.\n\t *\n\t * Multiple patterns can be added in one call:\n\t *\n\t * \t\tmatcher.add( 'div', { classes: 'foobar' } );\n\t *\n\t * @param {Object|String|RegExp|Function} pattern Object describing pattern details. If string or regular expression\n\t * is provided it will be used to match element's name. Pattern can be also provided in a form\n\t * of a function - then this function will be called with each {@link module:engine/view/element~Element element} as a parameter.\n\t * Function's return value will be stored under `match` key of the object returned from\n\t * {@link module:engine/view/matcher~Matcher#match match} or {@link module:engine/view/matcher~Matcher#matchAll matchAll} methods.\n\t * @param {String|RegExp} [pattern.name] Name or regular expression to match element's name.\n\t * @param {Object} [pattern.attributes] Object with key-value pairs representing attributes to match. Each object key\n\t * represents attribute name. Value under that key can be either:\n\t * * `true` - then attribute is just required (can be empty),\n\t * * a string - then attribute has to be equal, or\n\t * * a regular expression - then attribute has to match the expression.\n\t * @param {String|RegExp|Array} [pattern.classes] Class name or array of class names to match. Each name can be\n\t * provided in a form of string or regular expression.\n\t * @param {Object} [pattern.styles] Object with key-value pairs representing styles to match. Each object key\n\t * represents style name. Value under that key can be either a string or a regular expression and it will be used\n\t * to match style value.\n\t */\n\tadd( ...pattern ) {\n\t\tfor ( let item of pattern ) {\n\t\t\t// String or RegExp pattern is used as element's name.\n\t\t\tif ( typeof item == 'string' || item instanceof RegExp ) {\n\t\t\t\titem = { name: item };\n\t\t\t}\n\n\t\t\tthis._patterns.push( item );\n\t\t}\n\t}\n\n\t/**\n\t * Matches elements for currently stored patterns. Returns match information about first found\n\t * {@link module:engine/view/element~Element element}, otherwise returns `null`.\n\t *\n\t * Example of returned object:\n\t *\n\t *\t\t{\n\t *\t\t\telement: <instance of found element>,\n\t *\t\t\tpattern: <pattern used to match found element>,\n\t *\t\t\tmatch: {\n\t *\t\t\t\tname: true,\n\t *\t\t\t\tattributes: [ 'title', 'href' ],\n\t *\t\t\t\tclasses: [ 'foo' ],\n\t *\t\t\t\tstyles: [ 'color', 'position' ]\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * @see module:engine/view/matcher~Matcher#add\n\t * @see module:engine/view/matcher~Matcher#matchAll\n\t * @param {...module:engine/view/element~Element} element View element to match against stored patterns.\n\t * @returns {Object|null} result\n\t * @returns {module:engine/view/element~Element} result.element Matched view element.\n\t * @returns {Object|String|RegExp|Function} result.pattern Pattern that was used to find matched element.\n\t * @returns {Object} result.match Object representing matched element parts.\n\t * @returns {Boolean} [result.match.name] True if name of the element was matched.\n\t * @returns {Array} [result.match.attributes] Array with matched attribute names.\n\t * @returns {Array} [result.match.classes] Array with matched class names.\n\t * @returns {Array} [result.match.styles] Array with matched style names.\n\t */\n\tmatch( ...element ) {\n\t\tfor ( const singleElement of element ) {\n\t\t\tfor ( const pattern of this._patterns ) {\n\t\t\t\tconst match = isElementMatching( singleElement, pattern );\n\n\t\t\t\tif ( match ) {\n\t\t\t\t\treturn {\n\t\t\t\t\t\telement: singleElement,\n\t\t\t\t\t\tpattern,\n\t\t\t\t\t\tmatch\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Matches elements for currently stored patterns. Returns array of match information with all found\n\t * {@link module:engine/view/element~Element elements}. If no element is found - returns `null`.\n\t *\n\t * @see module:engine/view/matcher~Matcher#add\n\t * @see module:engine/view/matcher~Matcher#match\n\t * @param {...module:engine/view/element~Element} element View element to match against stored patterns.\n\t * @returns {Array.<Object>|null} Array with match information about found elements or `null`. For more information\n\t * see {@link module:engine/view/matcher~Matcher#match match method} description.\n\t */\n\tmatchAll( ...element ) {\n\t\tconst results = [];\n\n\t\tfor ( const singleElement of element ) {\n\t\t\tfor ( const pattern of this._patterns ) {\n\t\t\t\tconst match = isElementMatching( singleElement, pattern );\n\n\t\t\t\tif ( match ) {\n\t\t\t\t\tresults.push( {\n\t\t\t\t\t\telement: singleElement,\n\t\t\t\t\t\tpattern,\n\t\t\t\t\t\tmatch\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn results.length > 0 ? results : null;\n\t}\n\n\t/**\n\t * Returns the name of the element to match if there is exactly one pattern added to the matcher instance\n\t * and it matches element name defined by `string` (not `RegExp`). Otherwise, returns `null`.\n\t *\n\t * @returns {String|null} Element name trying to match.\n\t */\n\tgetElementName() {\n\t\tif ( this._patterns.length !== 1 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst pattern = this._patterns[ 0 ];\n\t\tconst name = pattern.name;\n\n\t\treturn ( typeof pattern != 'function' && name && !( name instanceof RegExp ) ) ? name : null;\n\t}\n}\n\n// Returns match information if {@link module:engine/view/element~Element element} is matching provided pattern.\n// If element cannot be matched to provided pattern - returns `null`.\n//\n// @param {module:engine/view/element~Element} element\n// @param {Object|String|RegExp|Function} pattern\n// @returns {Object|null} Returns object with match information or null if element is not matching.\nfunction isElementMatching( element, pattern ) {\n\t// If pattern is provided as function - return result of that function;\n\tif ( typeof pattern == 'function' ) {\n\t\treturn pattern( element );\n\t}\n\n\tconst match = {};\n\t// Check element's name.\n\tif ( pattern.name ) {\n\t\tmatch.name = matchName( pattern.name, element.name );\n\n\t\tif ( !match.name ) {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\t// Check element's attributes.\n\tif ( pattern.attributes ) {\n\t\tmatch.attributes = matchAttributes( pattern.attributes, element );\n\n\t\tif ( !match.attributes ) {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\t// Check element's classes.\n\tif ( pattern.classes ) {\n\t\tmatch.classes = matchClasses( pattern.classes, element );\n\n\t\tif ( !match.classes ) {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t// Check element's styles.\n\tif ( pattern.styles ) {\n\t\tmatch.styles = matchStyles( pattern.styles, element );\n\n\t\tif ( !match.styles ) {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\treturn match;\n}\n\n// Checks if name can be matched by provided pattern.\n//\n// @param {String|RegExp} pattern\n// @param {String} name\n// @returns {Boolean} Returns `true` if name can be matched, `false` otherwise.\nfunction matchName( pattern, name ) {\n\t// If pattern is provided as RegExp - test against this regexp.\n\tif ( pattern instanceof RegExp ) {\n\t\treturn !!name.match( pattern );\n\t}\n\n\treturn pattern === name;\n}\n\n// Checks if an array of key/value pairs can be matched against provided patterns.\n//\n// Patterns can be provided in a following ways:\n// \t- a boolean value matches any attribute with any value (or no value):\n//\n//\t\t\tpattern: true\n//\n//\t- a RegExp expression or object matches any attribute name:\n//\n//\t\t\tpattern: /h[1-6]/\n//\n//\t- an object matches any attribute that has the same name as the object item's key, where object item's value is:\n//\t\t- equal to `true`, which matches any attribute value:\n//\n//\t\t\tpattern: {\n//\t\t\t\trequired: true\n//\t\t\t}\n//\n//\t\t- a string that is equal to attribute value:\n//\n//\t\t\tpattern: {\n//\t\t\t\trel: 'nofollow'\n//\t\t\t}\n//\n//\t\t- a regular expression that matches attribute value,\n//\n//\t\t\tpattern: {\n//\t\t\t\tsrc: /https.*/\n//\t\t\t}\n//\n//\t- an array with items, where the item is:\n//\t\t- a string that is equal to attribute value:\n//\n//\t\t\tpattern: [ 'data-property-1', 'data-property-2' ],\n//\n//\t\t- an object with `key` and `value` property, where `key` is a regular expression matching attribute name and\n//\t\t  `value` is either regular expression matching attribute value or a string equal to attribute value:\n//\n//\t\t\tpattern: [\n//\t\t\t\t{ key: /data-property-.*/, value: true },\n//\t\t\t\t// or:\n//\t\t\t\t{ key: /data-property-.*/, value: 'foobar' },\n//\t\t\t\t// or:\n//\t\t\t\t{ key: /data-property-.*/, value: /foo.*/ }\n//\t\t\t]\n//\n// @param {Object} patterns Object with information about attributes to match.\n// @param {Iterable.<String>} keys Attribute, style or class keys.\n// @param {Function} valueGetter A function providing value for a given item key.\n// @returns {Array|null} Returns array with matched attribute names or `null` if no attributes were matched.\nfunction matchPatterns( patterns, keys, valueGetter ) {\n\tconst normalizedPatterns = normalizePatterns( patterns );\n\tconst normalizedItems = Array.from( keys );\n\tconst match = [];\n\n\tnormalizedPatterns.forEach( ( [ patternKey, patternValue ] ) => {\n\t\tnormalizedItems.forEach( itemKey => {\n\t\t\tif (\n\t\t\t\tisKeyMatched( patternKey, itemKey ) &&\n\t\t\t\tisValueMatched( patternValue, itemKey, valueGetter )\n\t\t\t) {\n\t\t\t\tmatch.push( itemKey );\n\t\t\t}\n\t\t} );\n\t} );\n\n\t// Return matches only if there are at least as many of them as there are patterns.\n\t// The RegExp pattern can match more than one item.\n\tif ( !normalizedPatterns.length || match.length < normalizedPatterns.length ) {\n\t\treturn null;\n\t}\n\n\treturn match;\n}\n\n// Bring all the possible pattern forms to an array of arrays where first item is a key and second is a value.\n//\n// Examples:\n//\n// Boolean pattern value:\n//\n//\t\ttrue\n//\n// to\n//\n//\t\t[ [ true, true ] ]\n//\n// Textual pattern value:\n//\n//\t\t'attribute-name-or-class-or-style'\n//\n// to\n//\n//\t\t[ [ 'attribute-name-or-class-or-style', true ] ]\n//\n// Regular expression:\n//\n//\t\t/^data-.*$/\n//\n// to\n//\n//\t\t[ [ /^data-.*$/, true ] ]\n//\n// Objects (plain or with `key` and `value` specified explicitly):\n//\n//\t\t{\n//\t\t\tsrc: /^https:.*$/\n//\t\t}\n//\n// or\n//\n//\t\t[ {\n//\t\t\tkey: 'src',\n//\t\t\tvalue: /^https:.*$/\n//\t\t} ]\n//\n// to:\n//\n//\t\t[ [ 'src', /^https:.*$/ ] ]\n//\n// @param {Object|Array} patterns\n// @returns {Array|null} Returns an array of objects or null if provided patterns were not in an expected form.\nfunction normalizePatterns( patterns ) {\n\tif ( Array.isArray( patterns ) ) {\n\t\treturn patterns.map( pattern => {\n\t\t\tif ( isPlainObject( pattern ) ) {\n\t\t\t\tif ( pattern.key === undefined || pattern.value === undefined ) {\n\t\t\t\t\t// Documented at the end of matcher.js.\n\t\t\t\t\tlogWarning( 'matcher-pattern-missing-key-or-value', pattern );\n\t\t\t\t}\n\n\t\t\t\treturn [ pattern.key, pattern.value ];\n\t\t\t}\n\n\t\t\t// Assume the pattern is either String or RegExp.\n\t\t\treturn [ pattern, true ];\n\t\t} );\n\t}\n\n\tif ( isPlainObject( patterns ) ) {\n\t\treturn Object.entries( patterns );\n\t}\n\n\t// Other cases (true, string or regexp).\n\treturn [ [ patterns, true ] ];\n}\n\n// @param {String|RegExp} patternKey A pattern representing a key we want to match.\n// @param {String} itemKey An actual item key (e.g. `'src'`, `'background-color'`, `'ck-widget'`) we're testing against pattern.\n// @returns {Boolean}\nfunction isKeyMatched( patternKey, itemKey ) {\n\treturn patternKey === true ||\n\t\tpatternKey === itemKey ||\n\t\tpatternKey instanceof RegExp && itemKey.match( patternKey );\n}\n\n// @param {String|RegExp} patternValue A pattern representing a value we want to match.\n// @param {String} itemKey An item key, e.g. `background`, `href`, 'rel', etc.\n// @param {Function} valueGetter A function used to provide a value for a given `itemKey`.\n// @returns {Boolean}\nfunction isValueMatched( patternValue, itemKey, valueGetter ) {\n\tif ( patternValue === true ) {\n\t\treturn true;\n\t}\n\n\tconst itemValue = valueGetter( itemKey );\n\n\t// For now, the reducers are not returning the full tree of properties.\n\t// Casting to string preserves the old behavior until the root cause is fixed.\n\t// More can be found in https://github.com/ckeditor/ckeditor5/issues/10399.\n\treturn patternValue === itemValue ||\n\t\tpatternValue instanceof RegExp && !!String( itemValue ).match( patternValue );\n}\n\n// Checks if attributes of provided element can be matched against provided patterns.\n//\n// @param {Object} patterns Object with information about attributes to match. Each key of the object will be\n// used as attribute name. Value of each key can be a string or regular expression to match against attribute value.\n// @param {module:engine/view/element~Element} element Element which attributes will be tested.\n// @returns {Array|null} Returns array with matched attribute names or `null` if no attributes were matched.\nfunction matchAttributes( patterns, element ) {\n\tconst attributeKeys = new Set( element.getAttributeKeys() );\n\n\t// `style` and `class` attribute keys are deprecated. Only allow them in object pattern\n\t// for backward compatibility.\n\tif ( isPlainObject( patterns ) ) {\n\t\tif ( patterns.style !== undefined ) {\n\t\t\t// Documented at the end of matcher.js.\n\t\t\tlogWarning( 'matcher-pattern-deprecated-attributes-style-key', patterns );\n\t\t}\n\t\tif ( patterns.class !== undefined ) {\n\t\t\t// Documented at the end of matcher.js.\n\t\t\tlogWarning( 'matcher-pattern-deprecated-attributes-class-key', patterns );\n\t\t}\n\t} else {\n\t\tattributeKeys.delete( 'style' );\n\t\tattributeKeys.delete( 'class' );\n\t}\n\n\treturn matchPatterns( patterns, attributeKeys, key => element.getAttribute( key ) );\n}\n\n// Checks if classes of provided element can be matched against provided patterns.\n//\n// @param {Array.<String|RegExp>} patterns Array of strings or regular expressions to match against element's classes.\n// @param {module:engine/view/element~Element} element Element which classes will be tested.\n// @returns {Array|null} Returns array with matched class names or `null` if no classes were matched.\nfunction matchClasses( patterns, element ) {\n\t// We don't need `getter` here because patterns for classes are always normalized to `[ className, true ]`.\n\treturn matchPatterns( patterns, element.getClassNames() );\n}\n\n// Checks if styles of provided element can be matched against provided patterns.\n//\n// @param {Object} patterns Object with information about styles to match. Each key of the object will be\n// used as style name. Value of each key can be a string or regular expression to match against style value.\n// @param {module:engine/view/element~Element} element Element which styles will be tested.\n// @returns {Array|null} Returns array with matched style names or `null` if no styles were matched.\nfunction matchStyles( patterns, element ) {\n\treturn matchPatterns( patterns, element.getStyleNames( true ), key => element.getStyle( key ) );\n}\n\n/**\n * An entity that is a valid pattern recognized by a matcher. `MatcherPattern` is used by {@link ~Matcher} to recognize\n * if a view element fits in a group of view elements described by the pattern.\n *\n * `MatcherPattern` can be given as a `String`, a `RegExp`, an `Object` or a `Function`.\n *\n * If `MatcherPattern` is given as a `String` or `RegExp`, it will match any view element that has a matching name:\n *\n *\t\t// Match any element with name equal to 'div'.\n *\t\tconst pattern = 'div';\n *\n *\t\t// Match any element which name starts on 'p'.\n *\t\tconst pattern = /^p/;\n *\n * If `MatcherPattern` is given as an `Object`, all the object's properties will be matched with view element properties.\n * If the view element does not meet all of the object's pattern properties, the match will not happen.\n * Available `Object` matching properties:\n *\n * Matching view element:\n *\n *\t\t// Match view element's name using String:\n *\t\tconst pattern = { name: 'p' };\n *\n *\t\t// or by providing RegExp:\n *\t\tconst pattern = { name: /^(ul|ol)$/ };\n *\n *\t\t// The name can also be skipped to match any view element with matching attributes:\n *\t\tconst pattern = {\n *\t\t\tattributes: {\n *\t\t\t\t'title': true\n *\t\t\t}\n *\t\t};\n *\n * Matching view element attributes:\n *\n *\t\t// Match view element with any attribute value.\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tattributes: true\n *\t\t};\n *\n *\t\t// Match view element which has matching attributes (String).\n *\t\tconst pattern = {\n *\t\t\tname: 'figure',\n *\t\t\tattributes: 'title' // Match title attribute (can be empty).\n *\t\t};\n *\n *\t\t// Match view element which has matching attributes (RegExp).\n *\t\tconst pattern = {\n *\t\t\tname: 'figure',\n *\t\t\tattributes: /^data-.*$/ // Match attributes starting with `data-` e.g. `data-foo` with any value (can be empty).\n *\t\t};\n *\n *\t\t// Match view element which has matching attributes (Object).\n *\t\tconst pattern = {\n *\t\t\tname: 'figure',\n *\t\t\tattributes: {\n *\t\t\t\ttitle: 'foobar',           // Match `title` attribute with 'foobar' value.\n *\t\t\t\talt: true,                 // Match `alt` attribute with any value (can be empty).\n *\t\t\t\t'data-type': /^(jpg|png)$/ // Match `data-type` attribute with `jpg` or `png` value.\n *\t\t\t}\n *\t\t};\n *\n *\t\t// Match view element which has matching attributes (Array).\n *\t\tconst pattern = {\n *\t\t\tname: 'figure',\n *\t\t\tattributes: [\n *\t\t\t\t'title',    // Match `title` attribute (can be empty).\n *\t\t\t\t/^data-*$/ // Match attributes starting with `data-` e.g. `data-foo` with any value (can be empty).\n *\t\t\t]\n *\t\t};\n *\n *\t\t// Match view element which has matching attributes (key-value pairs).\n *\t\tconst pattern = {\n *\t\t\tname: 'input',\n *\t\t\tattributes: [\n *\t\t\t\t{\n *\t\t\t\t\tkey: 'type',                     // Match `type` as an attribute key.\n *\t\t\t\t\tvalue: /^(text|number|date)$/\t // Match `text`, `number` or `date` values.\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tkey: /^data-.*$/,                // Match attributes starting with `data-` e.g. `data-foo`.\n *\t\t\t\t\tvalue: true                      // Match any value (can be empty).\n *\t\t\t\t}\n *\t\t\t]\n *\t\t};\n *\n * Matching view element styles:\n *\n *\t\t// Match view element with any style.\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tstyles: true\n *\t\t};\n *\n *\t\t// Match view element which has matching styles (String).\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tstyles: 'color' // Match attributes with `color` style.\n *\t\t};\n *\n *\t\t// Match view element which has matching styles (RegExp).\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tstyles: /^border.*$/ // Match view element with any border style.\n *\t\t};\n *\n *\t\t// Match view element which has matching styles (Object).\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tstyles: {\n *\t\t\t\tcolor: /rgb\\((\\d{1,3}), (\\d{1,3}), (\\d{1,3})\\)/, // Match `color` in RGB format only.\n *\t\t\t\t'font-weight': 600,                              // Match `font-weight` only if it's `600`.\n *\t\t\t\t'text-decoration': true                          // Match any text decoration.\n *\t\t\t}\n *\t\t};\n *\n *\t\t// Match view element which has matching styles (Array).\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tstyles: [\n *\t\t\t\t'color',      // Match `color` with any value.\n *\t\t\t\t/^border.*$/ // Match all border properties.\n *\t\t\t]\n *\t\t};\n *\n *\t\t// Match view element which has matching styles (key-value pairs).\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tstyles: [\n *\t\t\t\t{\n *\t\t\t\t\tkey: 'color',                                  \t\t// Match `color` as an property key.\n *\t\t\t\t\tvalue: /rgb\\((\\d{1,3}), (\\d{1,3}), (\\d{1,3})\\)/\t\t// Match RGB format only.\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tkey: /^border.*$/, // Match any border style.\n *\t\t\t\t\tvalue: true        // Match any value.\n *\t\t\t\t}\n *\t\t\t]\n *\t\t};\n *\n * Matching view element classes:\n *\n *\t\t// Match view element with any class.\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tclasses: true\n *\t\t};\n *\n *\t\t// Match view element which has matching class (String).\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tclasses: 'highlighted' // Match `highlighted` class.\n *\t\t};\n *\n *\t\t// Match view element which has matching classes (RegExp).\n *\t\tconst pattern = {\n *\t\t\tname: 'figure',\n *\t\t\tclasses: /^image-side-(left|right)$/ // Match `image-side-left` or `image-side-right` class.\n *\t\t};\n *\n *\t\t// Match view element which has matching classes (Object).\n *\t\tconst pattern = {\n *\t\t\tname: 'p',\n *\t\t\tclasses: {\n *\t\t\t\thighlighted: true, // Match `highlighted` class.\n *\t\t\t\tmarker: true       // Match `marker` class.\n *\t\t\t}\n *\t\t};\n *\n *\t\t// Match view element which has matching classes (Array).\n *\t\tconst pattern = {\n *\t\t\tname: 'figure',\n *\t\t\tclasses: [\n *\t\t\t\t'image',                    // Match `image` class.\n *\t\t\t\t/^image-side-(left|right)$/ // Match `image-side-left` or `image-side-right` class.\n *\t\t\t]\n *\t\t};\n *\n *\t\t// Match view element which has matching classes (key-value pairs).\n *\t\tconst pattern = {\n *\t\t\tname: 'figure',\n *\t\t\tclasses: [\n *\t\t\t\t{\n *\t\t\t\t\tkey: 'image', // Match `image` class.\n *\t\t\t\t\tvalue: true\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tkey: /^image-side-(left|right)$/, // Match `image-side-left` or `image-side-right` class.\n *\t\t\t\t\tvalue: true\n *\t\t\t\t}\n *\t\t\t]\n *\t\t};\n *\n * Pattern can combine multiple properties allowing for more complex view element matching:\n *\n *\t\tconst pattern = {\n *\t\t\tname: 'span',\n *\t\t\tattributes: [ 'title' ],\n *\t\t\tstyles: {\n *\t\t\t\t'font-weight': 'bold'\n *\t\t\t},\n *\t\t\tclasses: 'highlighted'\n *\t\t};\n *\n * If `MatcherPattern` is given as a `Function`, the function takes a view element as a first and only parameter and\n * the function should decide whether that element matches. If so, it should return what part of the view element has been matched.\n * Otherwise, the function should return `null`. The returned result will be included in `match` property of the object\n * returned by {@link ~Matcher#match} call.\n *\n *\t\t// Match an empty <div> element.\n *\t\tconst pattern = element => {\n *\t\t\tif ( element.name == 'div' && element.childCount > 0 ) {\n *\t\t\t\t// Return which part of the element was matched.\n *\t\t\t\treturn { name: true };\n *\t\t\t}\n *\n *\t\t\treturn null;\n *\t\t};\n *\n *\t\t// Match a <p> element with big font (\"heading-like\" element).\n *\t\tconst pattern = element => {\n *\t\t\tif ( element.name == 'p' ) {\n *\t\t\t\tconst fontSize = element.getStyle( 'font-size' );\n *\t\t\t\tconst size = fontSize.match( /(\\d+)/px );\n *\n *\t\t\t\tif ( size && Number( size[ 1 ] ) > 26 ) {\n *\t\t\t\t\treturn { name: true, attribute: [ 'font-size' ] };\n *\t\t\t\t}\n *\t\t\t}\n *\n *\t\t\treturn null;\n *\t\t};\n *\n * `MatcherPattern` is defined in a way that it is a superset of {@link module:engine/view/elementdefinition~ElementDefinition},\n * that is, every `ElementDefinition` also can be used as a `MatcherPattern`.\n *\n * @typedef {String|RegExp|Object|Function} module:engine/view/matcher~MatcherPattern\n *\n * @property {String|RegExp} [name] View element name to match.\n * @property {Boolean|String|RegExp|Object|Array.<String|RegExp|Object>} [classes] View element's classes to match.\n * @property {Boolean|String|RegExp|Object|Array.<String|RegExp|Object>} [styles] View element's styles to match.\n * @property {Boolean|String|RegExp|Object|Array.<String|RegExp|Object>} [attributes] View element's attributes to match.\n */\n\n/**\n * The key-value matcher pattern is missing key or value. Both must be present.\n * Refer the documentation: {@link module:engine/view/matcher~MatcherPattern}.\n *\n * @param {Object} pattern Pattern with missing properties.\n * @error matcher-pattern-missing-key-or-value\n */\n\n/**\n * The key-value matcher pattern for `attributes` option is using deprecated `style` key.\n *\n * Use `styles` matcher pattern option instead:\n *\n * \t\t// Instead of:\n * \t\tconst pattern = {\n * \t\t\tattributes: {\n * \t\t\t\tkey1: 'value1',\n * \t\t\t\tkey2: 'value2',\n * \t\t\t\tstyle: /^border.*$/\n * \t\t\t}\n * \t\t}\n *\n * \t\t// Use:\n * \t\tconst pattern = {\n * \t\t\tattributes: {\n * \t\t\t\tkey1: 'value1',\n * \t\t\t\tkey2: 'value2'\n * \t\t\t},\n * \t\t\tstyles: /^border.*$/\n * \t\t}\n *\n * Refer to the {@glink builds/guides/migration/migration-to-29##migration-to-ckeditor-5-v2910 Migration to v29.1.0} guide\n * and {@link module:engine/view/matcher~MatcherPattern} documentation.\n *\n * @param {Object} pattern Pattern with missing properties.\n * @error matcher-pattern-deprecated-attributes-style-key\n */\n\n/**\n * The key-value matcher pattern for `attributes` option is using deprecated `class` key.\n *\n * Use `classes` matcher pattern option instead:\n *\n * \t\t// Instead of:\n * \t\tconst pattern = {\n * \t\t\tattributes: {\n * \t\t\t\tkey1: 'value1',\n * \t\t\t\tkey2: 'value2',\n * \t\t\t\tclass: 'foobar'\n * \t\t\t}\n * \t\t}\n *\n * \t\t// Use:\n * \t\tconst pattern = {\n * \t\t\tattributes: {\n * \t\t\t\tkey1: 'value1',\n * \t\t\t\tkey2: 'value2'\n * \t\t\t},\n * \t\t\tclasses: 'foobar'\n * \t\t}\n *\n * Refer to the {@glink builds/guides/migration/migration-to-29##migration-to-ckeditor-5-v2910 Migration to v29.1.0} guide\n * and the {@link module:engine/view/matcher~MatcherPattern} documentation.\n *\n * @param {Object} pattern Pattern with missing properties.\n * @error matcher-pattern-deprecated-attributes-class-key\n */\n","import baseGetTag from './_baseGetTag.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar symbolTag = '[object Symbol]';\n\n/**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\nfunction isSymbol(value) {\n  return typeof value == 'symbol' ||\n    (isObjectLike(value) && baseGetTag(value) == symbolTag);\n}\n\nexport default isSymbol;\n","import isArray from './isArray.js';\nimport isSymbol from './isSymbol.js';\n\n/** Used to match property names within property paths. */\nvar reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n    reIsPlainProp = /^\\w*$/;\n\n/**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\nfunction isKey(value, object) {\n  if (isArray(value)) {\n    return false;\n  }\n  var type = typeof value;\n  if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n      value == null || isSymbol(value)) {\n    return true;\n  }\n  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n    (object != null && value in Object(object));\n}\n\nexport default isKey;\n","import MapCache from './_MapCache.js';\n\n/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\nfunction memoize(func, resolver) {\n  if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  var memoized = function() {\n    var args = arguments,\n        key = resolver ? resolver.apply(this, args) : args[0],\n        cache = memoized.cache;\n\n    if (cache.has(key)) {\n      return cache.get(key);\n    }\n    var result = func.apply(this, args);\n    memoized.cache = cache.set(key, result) || cache;\n    return result;\n  };\n  memoized.cache = new (memoize.Cache || MapCache);\n  return memoized;\n}\n\n// Expose `MapCache`.\nmemoize.Cache = MapCache;\n\nexport default memoize;\n","import memoizeCapped from './_memoizeCapped.js';\n\n/** Used to match property names within property paths. */\nvar rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n/** Used to match backslashes in property paths. */\nvar reEscapeChar = /\\\\(\\\\)?/g;\n\n/**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\nvar stringToPath = memoizeCapped(function(string) {\n  var result = [];\n  if (string.charCodeAt(0) === 46 /* . */) {\n    result.push('');\n  }\n  string.replace(rePropName, function(match, number, quote, subString) {\n    result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n  });\n  return result;\n});\n\nexport default stringToPath;\n","import memoize from './memoize.js';\n\n/** Used as the maximum memoize cache size. */\nvar MAX_MEMOIZE_SIZE = 500;\n\n/**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\nfunction memoizeCapped(func) {\n  var result = memoize(func, function(key) {\n    if (cache.size === MAX_MEMOIZE_SIZE) {\n      cache.clear();\n    }\n    return key;\n  });\n\n  var cache = result.cache;\n  return result;\n}\n\nexport default memoizeCapped;\n","/**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\nfunction arrayMap(array, iteratee) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      result = Array(length);\n\n  while (++index < length) {\n    result[index] = iteratee(array[index], index, array);\n  }\n  return result;\n}\n\nexport default arrayMap;\n","import Symbol from './_Symbol.js';\nimport arrayMap from './_arrayMap.js';\nimport isArray from './isArray.js';\nimport isSymbol from './isSymbol.js';\n\n/** Used as references for various `Number` constants. */\nvar INFINITY = 1 / 0;\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n    symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n/**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\nfunction baseToString(value) {\n  // Exit early for strings to avoid a performance hit in some environments.\n  if (typeof value == 'string') {\n    return value;\n  }\n  if (isArray(value)) {\n    // Recursively convert values (susceptible to call stack limits).\n    return arrayMap(value, baseToString) + '';\n  }\n  if (isSymbol(value)) {\n    return symbolToString ? symbolToString.call(value) : '';\n  }\n  var result = (value + '');\n  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\nexport default baseToString;\n","import baseToString from './_baseToString.js';\n\n/**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\nfunction toString(value) {\n  return value == null ? '' : baseToString(value);\n}\n\nexport default toString;\n","import isArray from './isArray.js';\nimport isKey from './_isKey.js';\nimport stringToPath from './_stringToPath.js';\nimport toString from './toString.js';\n\n/**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\nfunction castPath(value, object) {\n  if (isArray(value)) {\n    return value;\n  }\n  return isKey(value, object) ? [value] : stringToPath(toString(value));\n}\n\nexport default castPath;\n","/**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\nfunction last(array) {\n  var length = array == null ? 0 : array.length;\n  return length ? array[length - 1] : undefined;\n}\n\nexport default last;\n","import isSymbol from './isSymbol.js';\n\n/** Used as references for various `Number` constants. */\nvar INFINITY = 1 / 0;\n\n/**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\nfunction toKey(value) {\n  if (typeof value == 'string' || isSymbol(value)) {\n    return value;\n  }\n  var result = (value + '');\n  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\nexport default toKey;\n","import castPath from './_castPath.js';\nimport toKey from './_toKey.js';\n\n/**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\nfunction baseGet(object, path) {\n  path = castPath(path, object);\n\n  var index = 0,\n      length = path.length;\n\n  while (object != null && index < length) {\n    object = object[toKey(path[index++])];\n  }\n  return (index && index == length) ? object : undefined;\n}\n\nexport default baseGet;\n","/**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\nfunction baseSlice(array, start, end) {\n  var index = -1,\n      length = array.length;\n\n  if (start < 0) {\n    start = -start > length ? 0 : (length + start);\n  }\n  end = end > length ? length : end;\n  if (end < 0) {\n    end += length;\n  }\n  length = start > end ? 0 : ((end - start) >>> 0);\n  start >>>= 0;\n\n  var result = Array(length);\n  while (++index < length) {\n    result[index] = array[index + start];\n  }\n  return result;\n}\n\nexport default baseSlice;\n","import baseGet from './_baseGet.js';\nimport baseSlice from './_baseSlice.js';\n\n/**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\nfunction parent(object, path) {\n  return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n}\n\nexport default parent;\n","import castPath from './_castPath.js';\nimport last from './last.js';\nimport parent from './_parent.js';\nimport toKey from './_toKey.js';\n\n/**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\nfunction baseUnset(object, path) {\n  path = castPath(path, object);\n  object = parent(object, path);\n  return object == null || delete object[toKey(last(path))];\n}\n\nexport default baseUnset;\n","import baseUnset from './_baseUnset.js';\n\n/**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\nfunction unset(object, path) {\n  return object == null ? true : baseUnset(object, path);\n}\n\nexport default unset;\n","import baseGet from './_baseGet.js';\n\n/**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\nfunction get(object, path, defaultValue) {\n  var result = object == null ? undefined : baseGet(object, path);\n  return result === undefined ? defaultValue : result;\n}\n\nexport default get;\n","import baseAssignValue from './_baseAssignValue.js';\nimport eq from './eq.js';\n\n/**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction assignMergeValue(object, key, value) {\n  if ((value !== undefined && !eq(object[key], value)) ||\n      (value === undefined && !(key in object))) {\n    baseAssignValue(object, key, value);\n  }\n}\n\nexport default assignMergeValue;\n","import createBaseFor from './_createBaseFor.js';\n\n/**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\nvar baseFor = createBaseFor();\n\nexport default baseFor;\n","/**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\nfunction createBaseFor(fromRight) {\n  return function(object, iteratee, keysFunc) {\n    var index = -1,\n        iterable = Object(object),\n        props = keysFunc(object),\n        length = props.length;\n\n    while (length--) {\n      var key = props[fromRight ? length : ++index];\n      if (iteratee(iterable[key], key, iterable) === false) {\n        break;\n      }\n    }\n    return object;\n  };\n}\n\nexport default createBaseFor;\n","import isArrayLike from './isArrayLike.js';\nimport isObjectLike from './isObjectLike.js';\n\n/**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n *  else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\nfunction isArrayLikeObject(value) {\n  return isObjectLike(value) && isArrayLike(value);\n}\n\nexport default isArrayLikeObject;\n","/**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction safeGet(object, key) {\n  if (key === 'constructor' && typeof object[key] === 'function') {\n    return;\n  }\n\n  if (key == '__proto__') {\n    return;\n  }\n\n  return object[key];\n}\n\nexport default safeGet;\n","import copyObject from './_copyObject.js';\nimport keysIn from './keysIn.js';\n\n/**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n *   this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\nfunction toPlainObject(value) {\n  return copyObject(value, keysIn(value));\n}\n\nexport default toPlainObject;\n","import assignMergeValue from './_assignMergeValue.js';\nimport cloneBuffer from './_cloneBuffer.js';\nimport cloneTypedArray from './_cloneTypedArray.js';\nimport copyArray from './_copyArray.js';\nimport initCloneObject from './_initCloneObject.js';\nimport isArguments from './isArguments.js';\nimport isArray from './isArray.js';\nimport isArrayLikeObject from './isArrayLikeObject.js';\nimport isBuffer from './isBuffer.js';\nimport isFunction from './isFunction.js';\nimport isObject from './isObject.js';\nimport isPlainObject from './isPlainObject.js';\nimport isTypedArray from './isTypedArray.js';\nimport safeGet from './_safeGet.js';\nimport toPlainObject from './toPlainObject.js';\n\n/**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n *  counterparts.\n */\nfunction baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n  var objValue = safeGet(object, key),\n      srcValue = safeGet(source, key),\n      stacked = stack.get(srcValue);\n\n  if (stacked) {\n    assignMergeValue(object, key, stacked);\n    return;\n  }\n  var newValue = customizer\n    ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n    : undefined;\n\n  var isCommon = newValue === undefined;\n\n  if (isCommon) {\n    var isArr = isArray(srcValue),\n        isBuff = !isArr && isBuffer(srcValue),\n        isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n    newValue = srcValue;\n    if (isArr || isBuff || isTyped) {\n      if (isArray(objValue)) {\n        newValue = objValue;\n      }\n      else if (isArrayLikeObject(objValue)) {\n        newValue = copyArray(objValue);\n      }\n      else if (isBuff) {\n        isCommon = false;\n        newValue = cloneBuffer(srcValue, true);\n      }\n      else if (isTyped) {\n        isCommon = false;\n        newValue = cloneTypedArray(srcValue, true);\n      }\n      else {\n        newValue = [];\n      }\n    }\n    else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n      newValue = objValue;\n      if (isArguments(objValue)) {\n        newValue = toPlainObject(objValue);\n      }\n      else if (!isObject(objValue) || isFunction(objValue)) {\n        newValue = initCloneObject(srcValue);\n      }\n    }\n    else {\n      isCommon = false;\n    }\n  }\n  if (isCommon) {\n    // Recursively merge objects and arrays (susceptible to call stack limits).\n    stack.set(srcValue, newValue);\n    mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n    stack['delete'](srcValue);\n  }\n  assignMergeValue(object, key, newValue);\n}\n\nexport default baseMergeDeep;\n","import Stack from './_Stack.js';\nimport assignMergeValue from './_assignMergeValue.js';\nimport baseFor from './_baseFor.js';\nimport baseMergeDeep from './_baseMergeDeep.js';\nimport isObject from './isObject.js';\nimport keysIn from './keysIn.js';\nimport safeGet from './_safeGet.js';\n\n/**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n *  counterparts.\n */\nfunction baseMerge(object, source, srcIndex, customizer, stack) {\n  if (object === source) {\n    return;\n  }\n  baseFor(source, function(srcValue, key) {\n    stack || (stack = new Stack);\n    if (isObject(srcValue)) {\n      baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n    }\n    else {\n      var newValue = customizer\n        ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      if (newValue === undefined) {\n        newValue = srcValue;\n      }\n      assignMergeValue(object, key, newValue);\n    }\n  }, keysIn);\n}\n\nexport default baseMerge;\n","import baseMerge from './_baseMerge.js';\nimport createAssigner from './_createAssigner.js';\n\n/**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n *   'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n *   'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\nvar merge = createAssigner(function(object, source, srcIndex) {\n  baseMerge(object, source, srcIndex);\n});\n\nexport default merge;\n","import assignValue from './_assignValue.js';\nimport castPath from './_castPath.js';\nimport isIndex from './_isIndex.js';\nimport isObject from './isObject.js';\nimport toKey from './_toKey.js';\n\n/**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\nfunction baseSet(object, path, value, customizer) {\n  if (!isObject(object)) {\n    return object;\n  }\n  path = castPath(path, object);\n\n  var index = -1,\n      length = path.length,\n      lastIndex = length - 1,\n      nested = object;\n\n  while (nested != null && ++index < length) {\n    var key = toKey(path[index]),\n        newValue = value;\n\n    if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n      return object;\n    }\n\n    if (index != lastIndex) {\n      var objValue = nested[key];\n      newValue = customizer ? customizer(objValue, key, nested) : undefined;\n      if (newValue === undefined) {\n        newValue = isObject(objValue)\n          ? objValue\n          : (isIndex(path[index + 1]) ? [] : {});\n      }\n    }\n    assignValue(nested, key, newValue);\n    nested = nested[key];\n  }\n  return object;\n}\n\nexport default baseSet;\n","import baseSet from './_baseSet.js';\n\n/**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\nfunction set(object, path, value) {\n  return object == null ? object : baseSet(object, path, value);\n}\n\nexport default set;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/stylesmap\n */\n\nimport { get, isObject, merge, set, unset } from 'lodash-es';\n\n/**\n * Styles map. Allows handling (adding, removing, retrieving) a set of style rules (usually, of an element).\n *\n * The styles map is capable of normalizing style names so e.g. the following operations are possible:\n */\nexport default class StylesMap {\n\t/**\n\t * Creates Styles instance.\n\t *\n\t * @param {module:engine/view/stylesmap~StylesProcessor} styleProcessor\n\t */\n\tconstructor( styleProcessor ) {\n\t\t/**\n\t\t * Keeps an internal representation of styles map. Normalized styles are kept as object tree to allow unified modification and\n\t\t * value access model using lodash's get, set, unset, etc methods.\n\t\t *\n\t\t * When no style processor rules are defined it acts as simple key-value storage.\n\t\t *\n\t\t * @private\n\t\t * @type {Object}\n\t\t */\n\t\tthis._styles = {};\n\n\t\t/**\n\t\t * An instance of the {@link module:engine/view/stylesmap~StylesProcessor}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/stylesmap~StylesProcessor}\n\t\t */\n\t\tthis._styleProcessor = styleProcessor;\n\t}\n\n\t/**\n\t * Returns true if style map has no styles set.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\tconst entries = Object.entries( this._styles );\n\t\tconst from = Array.from( entries );\n\n\t\treturn !from.length;\n\t}\n\n\t/**\n\t * Number of styles defined.\n\t *\n\t * @type {Number}\n\t */\n\tget size() {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn 0;\n\t\t}\n\n\t\treturn this.getStyleNames().length;\n\t}\n\n\t/**\n\t * Set styles map to a new value.\n\t *\n\t *\t\tstyles.setTo( 'border:1px solid blue;margin-top:1px;' );\n\t *\n\t * @param {String} inlineStyle\n\t */\n\tsetTo( inlineStyle ) {\n\t\tthis.clear();\n\n\t\tconst parsedStyles = Array.from( parseInlineStyles( inlineStyle ).entries() );\n\n\t\tfor ( const [ key, value ] of parsedStyles ) {\n\t\t\tthis._styleProcessor.toNormalizedForm( key, value, this._styles );\n\t\t}\n\t}\n\n\t/**\n\t * Checks if a given style is set.\n\t *\n\t *\t\tstyles.setTo( 'margin-left:1px;' );\n\t *\n\t *\t\tstyles.has( 'margin-left' );    // -> true\n\t *\t\tstyles.has( 'padding' );        // -> false\n\t *\n\t * **Note**: This check supports normalized style names.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tstyles.setTo( 'margin:2px;' );\n\t *\n\t *\t\tstyles.has( 'margin' );         // -> true\n\t *\t\tstyles.has( 'margin-top' );     // -> true\n\t *\t\tstyles.has( 'margin-left' );    // -> true\n\t *\n\t *\t\tstyles.remove( 'margin-top' );\n\t *\n\t *\t\tstyles.has( 'margin' );         // -> false\n\t *\t\tstyles.has( 'margin-top' );     // -> false\n\t *\t\tstyles.has( 'margin-left' );    // -> true\n\t *\n\t * @param {String} name Style name.\n\t * @returns {Boolean}\n\t */\n\thas( name ) {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst styles = this._styleProcessor.getReducedForm( name, this._styles );\n\n\t\tconst propertyDescriptor = styles.find( ( [ property ] ) => property === name );\n\n\t\t// Only return a value if it is set;\n\t\treturn Array.isArray( propertyDescriptor );\n\t}\n\n\t/**\n\t * Sets a given style.\n\t *\n\t * Can insert one by one:\n\t *\n\t *\t\tstyles.set( 'color', 'blue' );\n\t *\t\tstyles.set( 'margin-right', '1em' );\n\t *\n\t * or many styles at once:\n\t *\n\t *\t\tstyles.set( {\n\t *\t\t\tcolor: 'blue',\n\t *\t\t\t'margin-right': '1em'\n\t *\t\t} );\n\t *\n\t * ***Note**:* This method uses {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules\n\t * enabled style processor rules} to normalize passed values.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tstyles.set( 'margin', '2px' );\n\t *\n\t * The above code will set margin to:\n\t *\n\t *\t\tstyles.getNormalized( 'margin' );\n\t *\t\t// -> { top: '2px', right: '2px', bottom: '2px', left: '2px' }\n\t *\n\t * Which makes it possible to retrieve a \"sub-value\":\n\t *\n\t *\t\tstyles.get( 'margin-left' );       // -> '2px'\n\t *\n\t * Or modify it:\n\t *\n\t *\t\tstyles.remove( 'margin-left' );\n\t *\n\t *\t\tstyles.getNormalized( 'margin' );  // -> { top: '1px', bottom: '1px', right: '1px' }\n\t *\t\tstyles.toString();                 // -> 'margin-bottom:1px;margin-right:1px;margin-top:1px;'\n\t *\n\t * This method also allows to set normalized values directly (if a particular styles processor rule was enabled):\n\t *\n\t *\t\tstyles.set( 'border-color', { top: 'blue' } );\n\t *\t\tstyles.set( 'margin', { right: '2em' } );\n\t *\n\t *\t\tstyles.toString();                 // -> 'border-color-top:blue;margin-right:2em;'\n\t *\n\t * @param {String|Object} nameOrObject Style property name or object with multiple properties.\n\t * @param {String|Object} valueOrObject Value to set.\n\t */\n\tset( nameOrObject, valueOrObject ) {\n\t\tif ( isObject( nameOrObject ) ) {\n\t\t\tfor ( const [ key, value ] of Object.entries( nameOrObject ) ) {\n\t\t\t\tthis._styleProcessor.toNormalizedForm( key, value, this._styles );\n\t\t\t}\n\t\t} else {\n\t\t\tthis._styleProcessor.toNormalizedForm( nameOrObject, valueOrObject, this._styles );\n\t\t}\n\t}\n\n\t/**\n\t * Removes given style.\n\t *\n\t *\t\tstyles.setTo( 'background:#f00;margin-right:2px;' );\n\t *\n\t *\t\tstyles.remove( 'background' );\n\t *\n\t *\t\tstyles.toString();   // -> 'margin-right:2px;'\n\t *\n\t * ***Note**:* This method uses {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules\n\t * enabled style processor rules} to normalize passed values.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tstyles.setTo( 'margin:1px' );\n\t *\n\t *\t\tstyles.remove( 'margin-top' );\n\t *\t\tstyles.remove( 'margin-right' );\n\t *\n\t *\t\tstyles.toString(); // -> 'margin-bottom:1px;margin-left:1px;'\n\t *\n\t * @param {String} name Style name.\n\t */\n\tremove( name ) {\n\t\tconst path = toPath( name );\n\n\t\tunset( this._styles, path );\n\t\tdelete this._styles[ name ];\n\n\t\tthis._cleanEmptyObjectsOnPath( path );\n\t}\n\n\t/**\n\t * Returns a normalized style object or a single value.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px 2px 3em;' );\n\t *\n\t *\t\tstyles.getNormalized( 'margin' );\n\t *\t\t// will log:\n\t *\t\t// {\n\t *\t\t//     top: '1px',\n\t *\t\t//     right: '2px',\n\t *\t\t//     bottom: '3em',\n\t *\t\t//     left: '2px'     // normalized value from margin shorthand\n\t *\t\t// }\n\t *\n\t *\t\tstyles.getNormalized( 'margin-left' ); // -> '2px'\n\t *\n\t * **Note**: This method will only return normalized styles if a style processor was defined.\n\t *\n\t * @param {String} name Style name.\n\t * @returns {Object|String|undefined}\n\t */\n\tgetNormalized( name ) {\n\t\treturn this._styleProcessor.getNormalized( name, this._styles );\n\t}\n\n\t/**\n\t * Returns a normalized style string. Styles are sorted by name.\n\t *\n\t *\t\tstyles.set( 'margin' , '1px' );\n\t *\t\tstyles.set( 'background', '#f00' );\n\t *\n\t *\t\tstyles.toString(); // -> 'background:#f00;margin:1px;'\n\t *\n\t * **Note**: This method supports normalized styles if defined.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tstyles.set( 'margin' , '1px' );\n\t *\t\tstyles.set( 'background', '#f00' );\n\t *\t\tstyles.remove( 'margin-top' );\n\t *\t\tstyles.remove( 'margin-right' );\n\t *\n\t *\t\tstyles.toString(); // -> 'background:#f00;margin-bottom:1px;margin-left:1px;'\n\t *\n\t * @returns {String}\n\t */\n\ttoString() {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn '';\n\t\t}\n\n\t\treturn this._getStylesEntries()\n\t\t\t.map( arr => arr.join( ':' ) )\n\t\t\t.sort()\n\t\t\t.join( ';' ) + ';';\n\t}\n\n\t/**\n\t * Returns property as a value string or undefined if property is not set.\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px;' );\n\t *\t\tstyles.set( 'margin-bottom', '3em' );\n\t *\n\t *\t\tstyles.getAsString( 'margin' ); // -> 'margin: 1px 1px 3em;'\n\t *\n\t * Note, however, that all sub-values must be set for the longhand property name to return a value:\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px;' );\n\t *\t\tstyles.remove( 'margin-bottom' );\n\t *\n\t *\t\tstyles.getAsString( 'margin' ); // -> undefined\n\t *\n\t * In the above scenario, it is not possible to return a `margin` value, so `undefined` is returned.\n\t * Instead, you should use:\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px;' );\n\t *\t\tstyles.remove( 'margin-bottom' );\n\t *\n\t *\t\tfor ( const styleName of styles.getStyleNames() ) {\n\t *\t\t\tconsole.log( styleName, styles.getAsString( styleName ) );\n\t *\t\t}\n\t *\t\t// 'margin-top', '1px'\n\t *\t\t// 'margin-right', '1px'\n\t *\t\t// 'margin-left', '1px'\n\t *\n\t * In general, it is recommend to iterate over style names like in the example above. This way, you will always get all\n\t * the currently set style values. So, if all the 4 margin values would be set\n\t * the for-of loop above would yield only `'margin'`, `'1px'`:\n\t *\n\t *\t\tconst styles = new Styles();\n\t *\t\tstyles.setTo( 'margin:1px;' );\n\t *\n\t *\t\tfor ( const styleName of styles.getStyleNames() ) {\n\t *\t\t\tconsole.log( styleName, styles.getAsString( styleName ) );\n\t *\t\t}\n\t *\t\t// 'margin', '1px'\n\t *\n\t * **Note**: To get a normalized version of a longhand property use the {@link #getNormalized `#getNormalized()`} method.\n\t *\n\t * @param {String} propertyName\n\t * @returns {String|undefined}\n\t */\n\tgetAsString( propertyName ) {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( this._styles[ propertyName ] && !isObject( this._styles[ propertyName ] ) ) {\n\t\t\t// Try return styles set directly - values that are not parsed.\n\t\t\treturn this._styles[ propertyName ];\n\t\t}\n\n\t\tconst styles = this._styleProcessor.getReducedForm( propertyName, this._styles );\n\n\t\tconst propertyDescriptor = styles.find( ( [ property ] ) => property === propertyName );\n\n\t\t// Only return a value if it is set;\n\t\tif ( Array.isArray( propertyDescriptor ) ) {\n\t\t\treturn propertyDescriptor[ 1 ];\n\t\t}\n\t}\n\n\t/**\n\t * Returns all style properties names as they would appear when using {@link #toString `#toString()`}.\n\t *\n\t * When `expand` is set to true and there's a shorthand style property set, it will also return all equivalent styles:\n\t *\n\t * \t\tstylesMap.setTo( 'margin: 1em' )\n\t *\n\t * will be expanded to:\n\t *\n\t * \t\t[ 'margin', 'margin-top', 'margin-right', 'margin-bottom', 'margin-left' ]\n\t *\n\t * @param {Boolean} [expand=false] Expand shorthand style properties and all return equivalent style representations.\n\t * @returns {Array.<String>}\n\t */\n\tgetStyleNames( expand = false ) {\n\t\tif ( this.isEmpty ) {\n\t\t\treturn [];\n\t\t}\n\n\t\tif ( expand ) {\n\t\t\treturn this._styleProcessor.getStyleNames( this._styles );\n\t\t}\n\n\t\tconst entries = this._getStylesEntries();\n\n\t\treturn entries.map( ( [ key ] ) => key );\n\t}\n\n\t/**\n\t * Removes all styles.\n\t */\n\tclear() {\n\t\tthis._styles = {};\n\t}\n\n\t/**\n\t * Returns normalized styles entries for further processing.\n\t *\n\t * @private\n\t * @returns {Array.<module:engine/view/stylesmap~PropertyDescriptor>}\n\t */\n\t_getStylesEntries() {\n\t\tconst parsed = [];\n\n\t\tconst keys = Object.keys( this._styles );\n\n\t\tfor ( const key of keys ) {\n\t\t\tparsed.push( ...this._styleProcessor.getReducedForm( key, this._styles ) );\n\t\t}\n\n\t\treturn parsed;\n\t}\n\n\t/**\n\t * Removes empty objects upon removing an entry from internal object.\n\t *\n\t * @param {String} path\n\t * @private\n\t */\n\t_cleanEmptyObjectsOnPath( path ) {\n\t\tconst pathParts = path.split( '.' );\n\t\tconst isChildPath = pathParts.length > 1;\n\n\t\tif ( !isChildPath ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst parentPath = pathParts.splice( 0, pathParts.length - 1 ).join( '.' );\n\n\t\tconst parentObject = get( this._styles, parentPath );\n\n\t\tif ( !parentObject ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst isParentEmpty = !Array.from( Object.keys( parentObject ) ).length;\n\n\t\tif ( isParentEmpty ) {\n\t\t\tthis.remove( parentPath );\n\t\t}\n\t}\n}\n\n/**\n * Style processor is responsible for writing and reading a normalized styles object.\n */\nexport class StylesProcessor {\n\t/**\n\t * Creates StylesProcessor instance.\n\t *\n\t * @private\n\t */\n\tconstructor() {\n\t\tthis._normalizers = new Map();\n\t\tthis._extractors = new Map();\n\t\tthis._reducers = new Map();\n\t\tthis._consumables = new Map();\n\t}\n\n\t/**\n\t * Parse style string value to a normalized object and appends it to styles object.\n\t *\n\t *\t\tconst styles = {};\n\t *\n\t *\t\tstylesProcessor.toNormalizedForm( 'margin', '1px', styles );\n\t *\n\t *\t\t// styles will consist: { margin: { top: '1px', right: '1px', bottom: '1px', left: '1px; } }\n\t *\n\t * **Note**: To define normalizer callbacks use {@link #setNormalizer}.\n\t *\n\t * @param {String} name Name of style property.\n\t * @param {String} propertyValue Value of style property.\n\t * @param {Object} styles Object holding normalized styles.\n\t */\n\ttoNormalizedForm( name, propertyValue, styles ) {\n\t\tif ( isObject( propertyValue ) ) {\n\t\t\tappendStyleValue( styles, toPath( name ), propertyValue );\n\n\t\t\treturn;\n\t\t}\n\n\t\tif ( this._normalizers.has( name ) ) {\n\t\t\tconst normalizer = this._normalizers.get( name );\n\n\t\t\tconst { path, value } = normalizer( propertyValue );\n\n\t\t\tappendStyleValue( styles, path, value );\n\t\t} else {\n\t\t\tappendStyleValue( styles, name, propertyValue );\n\t\t}\n\t}\n\n\t/**\n\t * Returns a normalized version of a style property.\n\t *\t\tconst styles = {\n\t *\t\t\tmargin: { top: '1px', right: '1px', bottom: '1px', left: '1px; },\n\t *\t\t\tbackground: { color: '#f00' }\n\t *\t\t};\n\t *\n\t *\t\tstylesProcessor.getNormalized( 'background' );\n\t *\t\t// will return: { color: '#f00' }\n\t *\n\t *\t\tstylesProcessor.getNormalized( 'margin-top' );\n\t *\t\t// will return: '1px'\n\t *\n\t * **Note**: In some cases extracting single value requires defining an extractor callback {@link #setExtractor}.\n\t *\n\t * @param {String} name Name of style property.\n\t * @param {Object} styles Object holding normalized styles.\n\t * @returns {*}\n\t */\n\tgetNormalized( name, styles ) {\n\t\tif ( !name ) {\n\t\t\treturn merge( {}, styles );\n\t\t}\n\n\t\t// Might be empty string.\n\t\tif ( styles[ name ] !== undefined ) {\n\t\t\treturn styles[ name ];\n\t\t}\n\n\t\tif ( this._extractors.has( name ) ) {\n\t\t\tconst extractor = this._extractors.get( name );\n\n\t\t\tif ( typeof extractor === 'string' ) {\n\t\t\t\treturn get( styles, extractor );\n\t\t\t}\n\n\t\t\tconst value = extractor( name, styles );\n\n\t\t\tif ( value ) {\n\t\t\t\treturn value;\n\t\t\t}\n\t\t}\n\n\t\treturn get( styles, toPath( name ) );\n\t}\n\n\t/**\n\t * Returns a reduced form of style property form normalized object.\n\t *\n\t * For default margin reducer, the below code:\n\t *\n\t *\t\tstylesProcessor.getReducedForm( 'margin', {\n\t *\t\t\tmargin: { top: '1px', right: '1px', bottom: '2px', left: '1px; }\n\t *\t\t} );\n\t *\n\t * will return:\n\t *\n\t *\t\t[\n\t *\t\t\t[ 'margin', '1px 1px 2px' ]\n\t *\t\t]\n\t *\n\t * because it might be represented as a shorthand 'margin' value. However if one of margin long hand values is missing it should return:\n\t *\n\t *\t\t[\n\t *\t\t\t[ 'margin-top', '1px' ],\n\t *\t\t\t[ 'margin-right', '1px' ],\n\t *\t\t\t[ 'margin-bottom', '2px' ]\n\t *\t\t\t// the 'left' value is missing - cannot use 'margin' shorthand.\n\t *\t\t]\n\t *\n\t * **Note**: To define reducer callbacks use {@link #setReducer}.\n\t *\n\t * @param {String} name Name of style property.\n\t * @param {Object} styles Object holding normalized styles.\n\t * @returns {Array.<module:engine/view/stylesmap~PropertyDescriptor>}\n\t */\n\tgetReducedForm( name, styles ) {\n\t\tconst normalizedValue = this.getNormalized( name, styles );\n\n\t\t// Might be empty string.\n\t\tif ( normalizedValue === undefined ) {\n\t\t\treturn [];\n\t\t}\n\n\t\tif ( this._reducers.has( name ) ) {\n\t\t\tconst reducer = this._reducers.get( name );\n\n\t\t\treturn reducer( normalizedValue );\n\t\t}\n\n\t\treturn [ [ name, normalizedValue ] ];\n\t}\n\n\t/**\n\t * Return all style properties. Also expand shorthand properties (e.g. `margin`, `background`) if respective extractor is available.\n\t *\n\t * @param {Object} styles Object holding normalized styles.\n\t * @returns {Array.<String>}\n\t */\n\tgetStyleNames( styles ) {\n\t\t// Find all extractable styles that have a value.\n\t\tconst expandedStyleNames = Array.from( this._consumables.keys() ).filter( name => {\n\t\t\tconst style = this.getNormalized( name, styles );\n\n\t\t\tif ( style && typeof style == 'object' ) {\n\t\t\t\treturn Object.keys( style ).length;\n\t\t\t}\n\n\t\t\treturn style;\n\t\t} );\n\n\t\t// For simple styles (for example `color`) we don't have a map of those styles\n\t\t// but they are 1 to 1 with normalized object keys.\n\t\tconst styleNamesKeysSet = new Set( [\n\t\t\t...expandedStyleNames,\n\t\t\t...Object.keys( styles )\n\t\t] );\n\n\t\treturn Array.from( styleNamesKeysSet.values() );\n\t}\n\n\t/**\n\t * Returns related style names.\n\t *\n\t *\t\tstylesProcessor.getRelatedStyles( 'margin' );\n\t *\t\t// will return: [ 'margin-top', 'margin-right', 'margin-bottom', 'margin-left' ];\n\t *\n\t *\t\tstylesProcessor.getRelatedStyles( 'margin-top' );\n\t *\t\t// will return: [ 'margin' ];\n\t *\n\t * **Note**: To define new style relations load an existing style processor or use\n\t * {@link module:engine/view/stylesmap~StylesProcessor#setStyleRelation `StylesProcessor.setStyleRelation()`}.\n\t *\n\t * @param {String} name\n\t * @returns {Array.<String>}\n\t */\n\tgetRelatedStyles( name ) {\n\t\treturn this._consumables.get( name ) || [];\n\t}\n\n\t/**\n\t * Adds a normalizer method for a style property.\n\t *\n\t * A normalizer returns describing how the value should be normalized.\n\t *\n\t * For instance 'margin' style is a shorthand for four margin values:\n\t *\n\t * - 'margin-top'\n\t * - 'margin-right'\n\t * - 'margin-bottom'\n\t * - 'margin-left'\n\t *\n\t * and can be written in various ways if some values are equal to others. For instance `'margin: 1px 2em;'` is a shorthand for\n\t * `'margin-top: 1px;margin-right: 2em;margin-bottom: 1px;margin-left: 2em'`.\n\t *\n\t * A normalizer should parse various margin notations as a single object:\n\t *\n\t *\t\tconst styles = {\n\t *\t\t\tmargin: {\n\t *\t\t\t\ttop: '1px',\n\t *\t\t\t\tright: '2em',\n\t *\t\t\t\tbottom: '1px',\n\t *\t\t\t\tleft: '2em'\n\t *\t\t\t}\n\t *\t\t};\n\t *\n\t * Thus a normalizer for 'margin' style should return an object defining style path and value to store:\n\t *\n\t *\t\tconst returnValue = {\n\t *\t\t\tpath: 'margin',\n\t *\t\t\tvalue: {\n\t *\t\t\t\ttop: '1px',\n\t *\t\t\t\tright: '2em',\n\t *\t\t\t\tbottom: '1px',\n\t *\t\t\t\tleft: '2em'\n\t *\t\t\t}\n\t *\t\t};\n\t *\n\t * Additionally to fully support all margin notations there should be also defined 4 normalizers for longhand margin notations. Below\n\t * is an example for 'margin-top' style property normalizer:\n\t *\n\t *\t\tstylesProcessor.setNormalizer( 'margin-top', valueString => {\n\t *\t\t\treturn {\n\t *\t\t\t\tpath: 'margin.top',\n\t *\t\t\t\tvalue: valueString\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @param {String} name\n\t * @param {Function} callback\n\t */\n\tsetNormalizer( name, callback ) {\n\t\tthis._normalizers.set( name, callback );\n\t}\n\n\t/**\n\t * Adds a extractor callback for a style property.\n\t *\n\t * Most normalized style values are stored as one level objects. It is assumed that `'margin-top'` style will be stored as:\n\t *\n\t *\t\tconst styles = {\n\t *\t\t\tmargin: {\n\t *\t\t\t\ttop: 'value'\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * However, some styles can have conflicting notations and thus it might be harder to extract a style value from shorthand. For instance\n\t * the 'border-top-style' can be defined using `'border-top:solid'`, `'border-style:solid none none none'` or by `'border:solid'`\n\t * shorthands. The default border styles processors stores styles as:\n\t *\n\t *\t\tconst styles = {\n\t *\t\t\tborder: {\n\t *\t\t\t\tstyle: {\n\t *\t\t\t\t\ttop: 'solid'\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * as it is better to modify border style independently from other values. On the other part the output of the border might be\n\t * desired as `border-top`, `border-left`, etc notation.\n\t *\n\t * In the above example a reducer should return a side border value that combines style, color and width:\n\t *\n\t *\t\tstyleProcessor.setExtractor( 'border-top', styles => {\n\t *\t\t\treturn {\n\t *\t\t\t\tcolor: styles.border.color.top,\n\t *\t\t\t\tstyle: styles.border.style.top,\n\t *\t\t\t\twidth: styles.border.width.top\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @param {String} name\n\t * @param {Function|String} callbackOrPath Callback that return a requested value or path string for single values.\n\t */\n\tsetExtractor( name, callbackOrPath ) {\n\t\tthis._extractors.set( name, callbackOrPath );\n\t}\n\n\t/**\n\t * Adds a reducer callback for a style property.\n\t *\n\t * Reducer returns a minimal notation for given style name. For longhand properties it is not required to write a reducer as\n\t * by default the direct value from style path is taken.\n\t *\n\t * For shorthand styles a reducer should return minimal style notation either by returning single name-value tuple or multiple tuples\n\t * if a shorthand cannot be used. For instance for a margin shorthand a reducer might return:\n\t *\n\t *\t\tconst marginShortHandTuple = [\n\t *\t\t\t[ 'margin', '1px 1px 2px' ]\n\t *\t\t];\n\t *\n\t * or a longhand tuples for defined values:\n\t *\n\t *\t\t// Considering margin.bottom and margin.left are undefined.\n\t *\t\tconst marginLonghandsTuples = [\n\t *\t\t\t[ 'margin-top', '1px' ],\n\t *\t\t\t[ 'margin-right', '1px' ]\n\t *\t\t];\n\t *\n\t * A reducer obtains a normalized style value:\n\t *\n\t *\t\t// Simplified reducer that always outputs 4 values which are always present:\n\t *\t\tstylesProcessor.setReducer( 'margin', margin => {\n\t *\t\t\treturn [\n\t *\t\t\t\t[ 'margin', `${ margin.top } ${ margin.right } ${ margin.bottom } ${ margin.left }` ]\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t * @param {String} name\n\t * @param {Function} callback\n\t */\n\tsetReducer( name, callback ) {\n\t\tthis._reducers.set( name, callback );\n\t}\n\n\t/**\n\t * Defines a style shorthand relation to other style notations.\n\t *\n\t *\t\tstylesProcessor.setStyleRelation( 'margin', [\n\t *\t\t\t'margin-top',\n\t *\t\t\t'margin-right',\n\t *\t\t\t'margin-bottom',\n\t *\t\t\t'margin-left'\n\t *\t\t] );\n\t *\n\t * This enables expanding of style names for shorthands. For instance, if defined,\n\t * {@link module:engine/conversion/viewconsumable~ViewConsumable view consumable} items are automatically created\n\t * for long-hand margin style notation alongside the `'margin'` item.\n\t *\n\t * This means that when an element being converted has a style `margin`, a converter for `margin-left` will work just\n\t * fine since the view consumable will contain a consumable `margin-left` item (thanks to the relation) and\n\t * `element.getStyle( 'margin-left' )` will work as well assuming that the style processor was correctly configured.\n\t * However, once `margin-left` is consumed, `margin` will not be consumable anymore.\n\t *\n\t * @param {String} shorthandName\n\t * @param {Array.<String>} styleNames\n\t */\n\tsetStyleRelation( shorthandName, styleNames ) {\n\t\tthis._mapStyleNames( shorthandName, styleNames );\n\n\t\tfor ( const alsoName of styleNames ) {\n\t\t\tthis._mapStyleNames( alsoName, [ shorthandName ] );\n\t\t}\n\t}\n\n\t/**\n\t * Set two-way binding of style names.\n\t *\n\t * @param {String} name\n\t * @param {Array.<String>} styleNames\n\t * @private\n\t */\n\t_mapStyleNames( name, styleNames ) {\n\t\tif ( !this._consumables.has( name ) ) {\n\t\t\tthis._consumables.set( name, [] );\n\t\t}\n\n\t\tthis._consumables.get( name ).push( ...styleNames );\n\t}\n}\n\n// Parses inline styles and puts property - value pairs into styles map.\n//\n// @param {String} stylesString Styles to parse.\n// @returns {Map.<String, String>} stylesMap Map of parsed properties and values.\nfunction parseInlineStyles( stylesString ) {\n\t// `null` if no quote was found in input string or last found quote was a closing quote. See below.\n\tlet quoteType = null;\n\tlet propertyNameStart = 0;\n\tlet propertyValueStart = 0;\n\tlet propertyName = null;\n\n\tconst stylesMap = new Map();\n\n\t// Do not set anything if input string is empty.\n\tif ( stylesString === '' ) {\n\t\treturn stylesMap;\n\t}\n\n\t// Fix inline styles that do not end with `;` so they are compatible with algorithm below.\n\tif ( stylesString.charAt( stylesString.length - 1 ) != ';' ) {\n\t\tstylesString = stylesString + ';';\n\t}\n\n\t// Seek the whole string for \"special characters\".\n\tfor ( let i = 0; i < stylesString.length; i++ ) {\n\t\tconst char = stylesString.charAt( i );\n\n\t\tif ( quoteType === null ) {\n\t\t\t// No quote found yet or last found quote was a closing quote.\n\t\t\tswitch ( char ) {\n\t\t\t\tcase ':':\n\t\t\t\t\t// Most of time colon means that property name just ended.\n\t\t\t\t\t// Sometimes however `:` is found inside property value (for example in background image url).\n\t\t\t\t\tif ( !propertyName ) {\n\t\t\t\t\t\t// Treat this as end of property only if property name is not already saved.\n\t\t\t\t\t\t// Save property name.\n\t\t\t\t\t\tpropertyName = stylesString.substr( propertyNameStart, i - propertyNameStart );\n\t\t\t\t\t\t// Save this point as the start of property value.\n\t\t\t\t\t\tpropertyValueStart = i + 1;\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase '\"':\n\t\t\t\tcase '\\'':\n\t\t\t\t\t// Opening quote found (this is an opening quote, because `quoteType` is `null`).\n\t\t\t\t\tquoteType = char;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ';': {\n\t\t\t\t\t// Property value just ended.\n\t\t\t\t\t// Use previously stored property value start to obtain property value.\n\t\t\t\t\tconst propertyValue = stylesString.substr( propertyValueStart, i - propertyValueStart );\n\n\t\t\t\t\tif ( propertyName ) {\n\t\t\t\t\t\t// Save parsed part.\n\t\t\t\t\t\tstylesMap.set( propertyName.trim(), propertyValue.trim() );\n\t\t\t\t\t}\n\n\t\t\t\t\tpropertyName = null;\n\n\t\t\t\t\t// Save this point as property name start. Property name starts immediately after previous property value ends.\n\t\t\t\t\tpropertyNameStart = i + 1;\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if ( char === quoteType ) {\n\t\t\t// If a quote char is found and it is a closing quote, mark this fact by `null`-ing `quoteType`.\n\t\t\tquoteType = null;\n\t\t}\n\t}\n\n\treturn stylesMap;\n}\n\n// Return lodash compatible path from style name.\nfunction toPath( name ) {\n\treturn name.replace( '-', '.' );\n}\n\n// Appends style definition to the styles object.\n//\n// @param {String} nameOrPath\n// @param {String|Object} valueOrObject\n// @private\nfunction appendStyleValue( stylesObject, nameOrPath, valueOrObject ) {\n\tlet valueToSet = valueOrObject;\n\n\tif ( isObject( valueOrObject ) ) {\n\t\tvalueToSet = merge( {}, get( stylesObject, nameOrPath ), valueOrObject );\n\t}\n\n\tset( stylesObject, nameOrPath, valueToSet );\n}\n\n/**\n * A CSS style property descriptor that contains tuplet of two strings:\n *\n * - first string describes property name\n * - second string describes property value\n *\n *\t\tconst marginDescriptor = [ 'margin', '2px 3em' ];\n *\t\tconst marginTopDescriptor = [ 'margin-top', '2px' ];\n *\n * @typedef {Array.<String, String>} module:engine/view/stylesmap~PropertyDescriptor\n */\n\n/**\n * An object describing values associated with the sides of a box, for instance margins, paddings,\n * border widths, border colors, etc.\n *\n *\t\tconst margin = {\n *\t\t\ttop: '1px',\n *\t\t\tright: '3px',\n *\t\t\tbottom: '3px',\n *\t\t\tleft: '7px'\n *\t\t};\n *\n *\t\tconst borderColor = {\n *\t\t\ttop: 'red',\n *\t\t\tright: 'blue',\n *\t\t\tbottom: 'blue',\n *\t\t\tleft: 'red'\n *\t\t};\n *\n * @typedef {Object} module:engine/view/stylesmap~BoxSides\n *\n * @property {String} top Top side value.\n * @property {String} right Right side value.\n * @property {String} bottom Bottom side value.\n * @property {String} left Left side value.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/element\n */\n\nimport Node from './node';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\nimport Matcher from './matcher';\nimport StylesMap from './stylesmap';\n\n// @if CK_DEBUG_ENGINE // const { convertMapToTags } = require( '../dev-utils/utils' );\n\n/**\n * View element.\n *\n * The editing engine does not define a fixed semantics of its elements (it is \"DTD-free\").\n * This is why the type of the {@link module:engine/view/element~Element} need to\n * be defined by the feature developer. When creating an element you should use one of the following methods:\n *\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createContainerElement `downcastWriter#createContainerElement()`}\n * in order to create a {@link module:engine/view/containerelement~ContainerElement},\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createAttributeElement `downcastWriter#createAttributeElement()`}\n * in order to create a {@link module:engine/view/attributeelement~AttributeElement},\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createEmptyElement `downcastWriter#createEmptyElement()`}\n * in order to create a {@link module:engine/view/emptyelement~EmptyElement}.\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement `downcastWriter#createUIElement()`}\n * in order to create a {@link module:engine/view/uielement~UIElement}.\n * * {@link module:engine/view/downcastwriter~DowncastWriter#createEditableElement `downcastWriter#createEditableElement()`}\n * in order to create a {@link module:engine/view/editableelement~EditableElement}.\n *\n * Note that for view elements which are not created from the model, like elements from mutations, paste or\n * {@link module:engine/controller/datacontroller~DataController#set data.set} it is not possible to define the type of the element.\n * In such cases the {@link module:engine/view/upcastwriter~UpcastWriter#createElement `UpcastWriter#createElement()`} method\n * should be used to create generic view elements.\n *\n * @extends module:engine/view/node~Node\n */\nexport default class Element extends Node {\n\t/**\n\t * Creates a view element.\n\t *\n\t * Attributes can be passed in various formats:\n\t *\n\t *\t\tnew Element( viewDocument, 'div', { class: 'editor', contentEditable: 'true' } ); // object\n\t *\t\tnew Element( viewDocument, 'div', [ [ 'class', 'editor' ], [ 'contentEditable', 'true' ] ] ); // map-like iterator\n\t *\t\tnew Element( viewDocument, 'div', mapOfAttributes ); // map\n\t *\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document );\n\n\t\t/**\n\t\t * Name of the element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * Map of attributes, where attributes names are keys and attributes values are values.\n\t\t *\n\t\t * @protected\n\t\t * @member {Map} #_attrs\n\t\t */\n\t\tthis._attrs = parseAttributes( attrs );\n\n\t\t/**\n\t\t * Array of child nodes.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array.<module:engine/view/node~Node>}\n\t\t */\n\t\tthis._children = [];\n\n\t\tif ( children ) {\n\t\t\tthis._insertChild( 0, children );\n\t\t}\n\n\t\t/**\n\t\t * Set of classes associated with element instance.\n\t\t *\n\t\t * @protected\n\t\t * @member {Set}\n\t\t */\n\t\tthis._classes = new Set();\n\n\t\tif ( this._attrs.has( 'class' ) ) {\n\t\t\t// Remove class attribute and handle it by class set.\n\t\t\tconst classString = this._attrs.get( 'class' );\n\t\t\tparseClasses( this._classes, classString );\n\t\t\tthis._attrs.delete( 'class' );\n\t\t}\n\n\t\t/**\n\t\t * Normalized styles.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/view/stylesmap~StylesMap} module:engine/view/element~Element#_styles\n\t\t */\n\t\tthis._styles = new StylesMap( this.document.stylesProcessor );\n\n\t\tif ( this._attrs.has( 'style' ) ) {\n\t\t\t// Remove style attribute and handle it by styles map.\n\t\t\tthis._styles.setTo( this._attrs.get( 'style' ) );\n\n\t\t\tthis._attrs.delete( 'style' );\n\t\t}\n\n\t\t/**\n\t\t * Map of custom properties.\n\t\t * Custom properties can be added to element instance, will be cloned but not rendered into DOM.\n\t\t *\n\t\t * @protected\n\t\t * @member {Map}\n\t\t */\n\t\tthis._customProperties = new Map();\n\n\t\t/**\n\t\t * Whether an element is allowed inside an AttributeElement and can be wrapped with\n\t\t * {@link module:engine/view/attributeelement~AttributeElement} by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t\t *\n\t\t * @protected\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._isAllowedInsideAttributeElement = false;\n\n\t\t/**\n\t\t * A list of attribute names that should be rendered in the editing pipeline even though filtering mechanisms\n\t\t * implemented in the {@link module:engine/view/domconverter~DomConverter} (for instance,\n\t\t * {@link module:engine/view/domconverter~DomConverter#shouldRenderAttribute}) would filter them out.\n\t\t *\n\t\t * These attributes can be specified as an option when the element is created by\n\t\t * the {@link module:engine/view/downcastwriter~DowncastWriter}. To check whether an unsafe an attribute should\n\t\t * be permitted, use the {@link #shouldRenderUnsafeAttribute} method.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @member {Array.<String>}\n\t\t */\n\t\tthis._unsafeAttributesToRender = [];\n\t}\n\n\t/**\n\t * Number of element's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget childCount() {\n\t\treturn this._children.length;\n\t}\n\n\t/**\n\t * Is `true` if there are no nodes inside this element, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this._children.length === 0;\n\t}\n\n\t/**\n\t * Whether the element is allowed inside an AttributeElement and can be wrapped with\n\t * {@link module:engine/view/attributeelement~AttributeElement} by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAllowedInsideAttributeElement() {\n\t\treturn this._isAllowedInsideAttributeElement;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\telement.is( 'element' ); // -> true\n\t *\t\telement.is( 'node' ); // -> true\n\t *\t\telement.is( 'view:element' ); // -> true\n\t *\t\telement.is( 'view:node' ); // -> true\n\t *\n\t *\t\telement.is( 'model:element' ); // -> false\n\t *\t\telement.is( 'documentSelection' ); // -> false\n\t *\n\t * Assuming that the object being checked is an element, you can also check its\n\t * {@link module:engine/view/element~Element#name name}:\n\t *\n\t *\t\telement.is( 'element', 'img' ); // -> true if this is an <img> element\n\t *\t\ttext.is( 'element', 'img' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'element' || type === 'view:element' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && ( type === 'element' || type === 'view:element' );\n\t\t}\n\t}\n\n\t/**\n\t * Gets child at the given index.\n\t *\n\t * @param {Number} index Index of child.\n\t * @returns {module:engine/view/node~Node} Child node.\n\t */\n\tgetChild( index ) {\n\t\treturn this._children[ index ];\n\t}\n\n\t/**\n\t * Gets index of the given child node. Returns `-1` if child node is not found.\n\t *\n\t * @param {module:engine/view/node~Node} node Child node.\n\t * @returns {Number} Index of the child node.\n\t */\n\tgetChildIndex( node ) {\n\t\treturn this._children.indexOf( node );\n\t}\n\n\t/**\n\t * Gets child nodes iterator.\n\t *\n\t * @returns {Iterable.<module:engine/view/node~Node>} Child nodes iterator.\n\t */\n\tgetChildren() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Returns an iterator that contains the keys for attributes. Order of inserting attributes is not preserved.\n\t *\n\t * @returns {Iterable.<String>} Keys for attributes.\n\t */\n\t* getAttributeKeys() {\n\t\tif ( this._classes.size > 0 ) {\n\t\t\tyield 'class';\n\t\t}\n\n\t\tif ( !this._styles.isEmpty ) {\n\t\t\tyield 'style';\n\t\t}\n\n\t\tyield* this._attrs.keys();\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this element's attributes.\n\t *\n\t * Attributes are returned as arrays containing two items. First one is attribute key and second is attribute value.\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\t* getAttributes() {\n\t\tyield* this._attrs.entries();\n\n\t\tif ( this._classes.size > 0 ) {\n\t\t\tyield [ 'class', this.getAttribute( 'class' ) ];\n\t\t}\n\n\t\tif ( !this._styles.isEmpty ) {\n\t\t\tyield [ 'style', this.getAttribute( 'style' ) ];\n\t\t}\n\t}\n\n\t/**\n\t * Gets attribute by key. If attribute is not present - returns undefined.\n\t *\n\t * @param {String} key Attribute key.\n\t * @returns {String|undefined} Attribute value.\n\t */\n\tgetAttribute( key ) {\n\t\tif ( key == 'class' ) {\n\t\t\tif ( this._classes.size > 0 ) {\n\t\t\t\treturn [ ...this._classes ].join( ' ' );\n\t\t\t}\n\n\t\t\treturn undefined;\n\t\t}\n\n\t\tif ( key == 'style' ) {\n\t\t\tconst inlineStyle = this._styles.toString();\n\n\t\t\treturn inlineStyle == '' ? undefined : inlineStyle;\n\t\t}\n\n\t\treturn this._attrs.get( key );\n\t}\n\n\t/**\n\t * Returns a boolean indicating whether an attribute with the specified key exists in the element.\n\t *\n\t * @param {String} key Attribute key.\n\t * @returns {Boolean} `true` if attribute with the specified key exists in the element, false otherwise.\n\t */\n\thasAttribute( key ) {\n\t\tif ( key == 'class' ) {\n\t\t\treturn this._classes.size > 0;\n\t\t}\n\n\t\tif ( key == 'style' ) {\n\t\t\treturn !this._styles.isEmpty;\n\t\t}\n\n\t\treturn this._attrs.has( key );\n\t}\n\n\t/**\n\t * Checks if this element is similar to other element.\n\t * Both elements should have the same name and attributes to be considered as similar. Two similar elements\n\t * can contain different set of children nodes.\n\t *\n\t * @param {module:engine/view/element~Element} otherElement\n\t * @returns {Boolean}\n\t */\n\tisSimilar( otherElement ) {\n\t\tif ( !( otherElement instanceof Element ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// If exactly the same Element is provided - return true immediately.\n\t\tif ( this === otherElement ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Check element name.\n\t\tif ( this.name != otherElement.name ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check isAllowedInsideAttributeElement property.\n\t\tif ( this.isAllowedInsideAttributeElement != otherElement.isAllowedInsideAttributeElement ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check number of attributes, classes and styles.\n\t\tif ( this._attrs.size !== otherElement._attrs.size || this._classes.size !== otherElement._classes.size ||\n\t\t\tthis._styles.size !== otherElement._styles.size ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check if attributes are the same.\n\t\tfor ( const [ key, value ] of this._attrs ) {\n\t\t\tif ( !otherElement._attrs.has( key ) || otherElement._attrs.get( key ) !== value ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Check if classes are the same.\n\t\tfor ( const className of this._classes ) {\n\t\t\tif ( !otherElement._classes.has( className ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Check if styles are the same.\n\t\tfor ( const property of this._styles.getStyleNames() ) {\n\t\t\tif (\n\t\t\t\t!otherElement._styles.has( property ) ||\n\t\t\t\totherElement._styles.getAsString( property ) !== this._styles.getAsString( property )\n\t\t\t) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns true if class is present.\n\t * If more then one class is provided - returns true only when all classes are present.\n\t *\n\t *\t\telement.hasClass( 'foo' ); // Returns true if 'foo' class is present.\n\t *\t\telement.hasClass( 'foo', 'bar' ); // Returns true if 'foo' and 'bar' classes are both present.\n\t *\n\t * @param {...String} className\n\t */\n\thasClass( ...className ) {\n\t\tfor ( const name of className ) {\n\t\t\tif ( !this._classes.has( name ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns iterator that contains all class names.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetClassNames() {\n\t\treturn this._classes.keys();\n\t}\n\n\t/**\n\t * Returns style value for the given property mae.\n\t * If the style does not exist `undefined` is returned.\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#getAsString `StylesMap#getAsString()`} for details.\n\t *\n\t * For an element with style set to `'margin:1px'`:\n\t *\n\t *\t\t// Enable 'margin' shorthand processing:\n\t *\t\teditor.data.addStyleProcessorRules( addMarginRules );\n\t *\n\t *\t\tconst element = view.change( writer => {\n\t *\t\t\tconst element = writer.createElement();\n\t *\t\t\twriter.setStyle( 'margin', '1px' );\n\t *\t\t\twriter.setStyle( 'margin-bottom', '3em' );\n\t *\n\t *\t\t\treturn element;\n\t *\t\t} );\n\t *\n\t *\t\telement.getStyle( 'margin' ); // -> 'margin: 1px 1px 3em;'\n\t *\n\t * @param {String} property\n\t * @returns {String|undefined}\n\t */\n\tgetStyle( property ) {\n\t\treturn this._styles.getAsString( property );\n\t}\n\n\t/**\n\t * Returns a normalized style object or single style value.\n\t *\n\t * For an element with style set to: margin:1px 2px 3em;\n\t *\n\t *\t\telement.getNormalizedStyle( 'margin' ) );\n\t *\n\t * will return:\n\t *\n\t *\t\t{\n\t *\t\t\ttop: '1px',\n\t *\t\t\tright: '2px',\n\t *\t\t\tbottom: '3em',\n\t *\t\t\tleft: '2px'    // a normalized value from margin shorthand\n\t *\t\t}\n\t *\n\t * and reading for single style value:\n\t *\n\t *\t\tstyles.getNormalizedStyle( 'margin-left' );\n\t *\n\t * Will return a `2px` string.\n\t *\n\t * **Note**: This method will return normalized values only if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#getNormalized `StylesMap#getNormalized()`} for details.\n\t *\n\t *\n\t * @param {String} property Name of CSS property\n\t * @returns {Object|String|undefined}\n\t */\n\tgetNormalizedStyle( property ) {\n\t\treturn this._styles.getNormalized( property );\n\t}\n\n\t/**\n\t * Returns iterator that contains all style names.\n\t *\n\t * @param {Boolean} [expand=false] Expand shorthand style properties and return all equivalent style representations.\n\t * @returns {Iterable.<String>}\n\t */\n\tgetStyleNames( expand = false ) {\n\t\treturn this._styles.getStyleNames( expand );\n\t}\n\n\t/**\n\t * Returns true if style keys are present.\n\t * If more then one style property is provided - returns true only when all properties are present.\n\t *\n\t *\t\telement.hasStyle( 'color' ); // Returns true if 'border-top' style is present.\n\t *\t\telement.hasStyle( 'color', 'border-top' ); // Returns true if 'color' and 'border-top' styles are both present.\n\t *\n\t * @param {...String} property\n\t */\n\thasStyle( ...property ) {\n\t\tfor ( const name of property ) {\n\t\t\tif ( !this._styles.has( name ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns ancestor element that match specified pattern.\n\t * Provided patterns should be compatible with {@link module:engine/view/matcher~Matcher Matcher} as it is used internally.\n\t *\n\t * @see module:engine/view/matcher~Matcher\n\t * @param {Object|String|RegExp|Function} patterns Patterns used to match correct ancestor.\n\t * See {@link module:engine/view/matcher~Matcher}.\n\t * @returns {module:engine/view/element~Element|null} Found element or `null` if no matching ancestor was found.\n\t */\n\tfindAncestor( ...patterns ) {\n\t\tconst matcher = new Matcher( ...patterns );\n\t\tlet parent = this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tif ( matcher.match( parent ) ) {\n\t\t\t\treturn parent;\n\t\t\t}\n\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns the custom property value for the given key.\n\t *\n\t * @param {String|Symbol} key\n\t * @returns {*}\n\t */\n\tgetCustomProperty( key ) {\n\t\treturn this._customProperties.get( key );\n\t}\n\n\t/**\n\t * Returns an iterator which iterates over this element's custom properties.\n\t * Iterator provides `[ key, value ]` pairs for each stored property.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\t* getCustomProperties() {\n\t\tyield* this._customProperties.entries();\n\t}\n\n\t/**\n\t * Returns identity string based on element's name, styles, classes and other attributes.\n\t * Two elements that {@link #isSimilar are similar} will have same identity string.\n\t * It has the following format:\n\t *\n\t *\t\t'name class=\"class1,class2\" style=\"style1:value1;style2:value2\" attr1=\"val1\" attr2=\"val2\"'\n \t *\n\t * For example:\n\t *\n\t *\t\tconst element = writer.createContainerElement( 'foo', {\n\t *\t\t\tbanana: '10',\n\t *\t\t\tapple: '20',\n\t *\t\t\tstyle: 'color: red; border-color: white;',\n\t *\t\t\tclass: 'baz'\n\t *\t\t} );\n\t *\n\t *\t\t// returns 'foo class=\"baz\" style=\"border-color:white;color:red\" apple=\"20\" banana=\"10\"'\n\t *\t\telement.getIdentity();\n\t *\n\t * **Note**: Classes, styles and other attributes are sorted alphabetically.\n\t *\n\t * @returns {String}\n\t */\n\tgetIdentity() {\n\t\tconst classes = Array.from( this._classes ).sort().join( ',' );\n\t\tconst styles = this._styles.toString();\n\t\tconst attributes = Array.from( this._attrs ).map( i => `${ i[ 0 ] }=\"${ i[ 1 ] }\"` ).sort().join( ' ' );\n\n\t\treturn this.name +\n\t\t\t( classes == '' ? '' : ` class=\"${ classes }\"` ) +\n\t\t\t( !styles ? '' : ` style=\"${ styles }\"` ) +\n\t\t\t( attributes == '' ? '' : ` ${ attributes }` );\n\t}\n\n\t/**\n\t * Decides whether an unsafe attribute is whitelisted and should be rendered in the editing pipeline even though filtering mechanisms\n\t * like {@link module:engine/view/domconverter~DomConverter#shouldRenderAttribute} say it should not.\n\t *\n\t * Unsafe attribute names can be specified when creating an element via {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t *\n\t * @param {String} attributeName The name of the attribute to be checked.\n\t * @returns {Boolean}\n\t */\n\tshouldRenderUnsafeAttribute( attributeName ) {\n\t\treturn this._unsafeAttributesToRender.includes( attributeName );\n\t}\n\n\t/**\n\t * Clones provided element.\n\t *\n\t * @protected\n\t * @param {Boolean} [deep=false] If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any children.\n\t * @returns {module:engine/view/element~Element} Clone of this element.\n\t */\n\t_clone( deep = false ) {\n\t\tconst childrenClone = [];\n\n\t\tif ( deep ) {\n\t\t\tfor ( const child of this.getChildren() ) {\n\t\t\t\tchildrenClone.push( child._clone( deep ) );\n\t\t\t}\n\t\t}\n\n\t\t// ContainerElement and AttributeElement should be also cloned properly.\n\t\tconst cloned = new this.constructor( this.document, this.name, this._attrs, childrenClone );\n\n\t\t// Classes and styles are cloned separately - this solution is faster than adding them back to attributes and\n\t\t// parse once again in constructor.\n\t\tcloned._classes = new Set( this._classes );\n\t\tcloned._styles.set( this._styles.getNormalized() );\n\n\t\t// Clone custom properties.\n\t\tcloned._customProperties = new Map( this._customProperties );\n\n\t\t// Clone filler offset method.\n\t\t// We can't define this method in a prototype because it's behavior which\n\t\t// is changed by e.g. toWidget() function from ckeditor5-widget. Perhaps this should be one of custom props.\n\t\tcloned.getFillerOffset = this.getFillerOffset;\n\n\t\tcloned._isAllowedInsideAttributeElement = this.isAllowedInsideAttributeElement;\n\n\t\treturn cloned;\n\t}\n\n\t/**\n\t * {@link module:engine/view/element~Element#_insertChild Insert} a child node or a list of child nodes at the end of this node\n\t * and sets the parent of these nodes to this element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#insert\n\t * @protected\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @fires module:engine/view/node~Node#change\n\t * @returns {Number} Number of appended nodes.\n\t */\n\t_appendChild( items ) {\n\t\treturn this._insertChild( this.childCount, items );\n\t}\n\n\t/**\n\t * Inserts a child node or a list of child nodes on the given index and sets the parent of these nodes to\n\t * this element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#insert\n\t * @protected\n\t * @param {Number} index Position where nodes should be inserted.\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @fires module:engine/view/node~Node#change\n\t * @returns {Number} Number of inserted nodes.\n\t */\n\t_insertChild( index, items ) {\n\t\tthis._fireChange( 'children', this );\n\t\tlet count = 0;\n\n\t\tconst nodes = normalize( this.document, items );\n\n\t\tfor ( const node of nodes ) {\n\t\t\t// If node that is being added to this element is already inside another element, first remove it from the old parent.\n\t\t\tif ( node.parent !== null ) {\n\t\t\t\tnode._remove();\n\t\t\t}\n\n\t\t\tnode.parent = this;\n\t\t\tnode.document = this.document;\n\n\t\t\tthis._children.splice( index, 0, node );\n\t\t\tindex++;\n\t\t\tcount++;\n\t\t}\n\n\t\treturn count;\n\t}\n\n\t/**\n\t * Removes number of child nodes starting at the given index and set the parent of these nodes to `null`.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#remove\n\t * @protected\n\t * @param {Number} index Number of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @fires module:engine/view/node~Node#change\n\t * @returns {Array.<module:engine/view/node~Node>} The array of removed nodes.\n\t */\n\t_removeChildren( index, howMany = 1 ) {\n\t\tthis._fireChange( 'children', this );\n\n\t\tfor ( let i = index; i < index + howMany; i++ ) {\n\t\t\tthis._children[ i ].parent = null;\n\t\t}\n\n\t\treturn this._children.splice( index, howMany );\n\t}\n\n\t/**\n\t * Adds or overwrite attribute with a specified key and value.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#setAttribute\n\t * @protected\n\t * @param {String} key Attribute key.\n\t * @param {String} value Attribute value.\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_setAttribute( key, value ) {\n\t\tvalue = String( value );\n\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tif ( key == 'class' ) {\n\t\t\tparseClasses( this._classes, value );\n\t\t} else if ( key == 'style' ) {\n\t\t\tthis._styles.setTo( value );\n\t\t} else {\n\t\t\tthis._attrs.set( key, value );\n\t\t}\n\t}\n\n\t/**\n\t * Removes attribute from the element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#removeAttribute\n\t * @protected\n\t * @param {String} key Attribute key.\n\t * @returns {Boolean} Returns true if an attribute existed and has been removed.\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_removeAttribute( key ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\t// Remove class attribute.\n\t\tif ( key == 'class' ) {\n\t\t\tif ( this._classes.size > 0 ) {\n\t\t\t\tthis._classes.clear();\n\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\treturn false;\n\t\t}\n\n\t\t// Remove style attribute.\n\t\tif ( key == 'style' ) {\n\t\t\tif ( !this._styles.isEmpty ) {\n\t\t\t\tthis._styles.clear();\n\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\treturn false;\n\t\t}\n\n\t\t// Remove other attributes.\n\t\treturn this._attrs.delete( key );\n\t}\n\n\t/**\n\t * Adds specified class.\n\t *\n\t *\t\telement._addClass( 'foo' ); // Adds 'foo' class.\n\t *\t\telement._addClass( [ 'foo', 'bar' ] ); // Adds 'foo' and 'bar' classes.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#addClass\n\t * @protected\n\t * @param {Array.<String>|String} className\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_addClass( className ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tfor ( const name of toArray( className ) ) {\n\t\t\tthis._classes.add( name );\n\t\t}\n\t}\n\n\t/**\n\t * Removes specified class.\n\t *\n\t *\t\telement._removeClass( 'foo' );  // Removes 'foo' class.\n\t *\t\telement._removeClass( [ 'foo', 'bar' ] ); // Removes both 'foo' and 'bar' classes.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#removeClass\n\t * @protected\n\t * @param {Array.<String>|String} className\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_removeClass( className ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tfor ( const name of toArray( className ) ) {\n\t\t\tthis._classes.delete( name );\n\t\t}\n\t}\n\n\t/**\n\t * Adds style to the element.\n\t *\n\t *\t\telement._setStyle( 'color', 'red' );\n\t *\t\telement._setStyle( {\n\t *\t\t\tcolor: 'red',\n\t *\t\t\tposition: 'fixed'\n\t *\t\t} );\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#set `StylesMap#set()`} for details.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#setStyle\n\t * @protected\n\t * @param {String|Object} property Property name or object with key - value pairs.\n\t * @param {String} [value] Value to set. This parameter is ignored if object is provided as the first parameter.\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_setStyle( property, value ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tthis._styles.set( property, value );\n\t}\n\n\t/**\n\t * Removes specified style.\n\t *\n\t *\t\telement._removeStyle( 'color' );  // Removes 'color' style.\n\t *\t\telement._removeStyle( [ 'color', 'border-top' ] ); // Removes both 'color' and 'border-top' styles.\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#remove `StylesMap#remove()`} for details.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#removeStyle\n\t * @protected\n\t * @param {Array.<String>|String} property\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_removeStyle( property ) {\n\t\tthis._fireChange( 'attributes', this );\n\n\t\tfor ( const name of toArray( property ) ) {\n\t\t\tthis._styles.remove( name );\n\t\t}\n\t}\n\n\t/**\n\t * Sets a custom property. Unlike attributes, custom properties are not rendered to the DOM,\n\t * so they can be used to add special data to elements.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#setCustomProperty\n\t * @protected\n\t * @param {String|Symbol} key\n\t * @param {*} value\n\t */\n\t_setCustomProperty( key, value ) {\n\t\tthis._customProperties.set( key, value );\n\t}\n\n\t/**\n\t * Removes the custom property stored under the given key.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#removeCustomProperty\n\t * @protected\n\t * @param {String|Symbol} key\n\t * @returns {Boolean} Returns true if property was removed.\n\t */\n\t_removeCustomProperty( key ) {\n\t\treturn this._customProperties.delete( key );\n\t}\n\n\t/**\n\t * Returns block {@link module:engine/view/filler filler} offset or `null` if block filler is not needed.\n\t *\n\t * @abstract\n\t * @method module:engine/view/element~Element#getFillerOffset\n\t */\n\n\t// @if CK_DEBUG_ENGINE // printTree( level = 0) {\n\t// @if CK_DEBUG_ENGINE // \tlet string = '';\n\n\t// @if CK_DEBUG_ENGINE //\tstring += '\\t'.repeat( level ) + `<${ this.name }${ convertMapToTags( this.getAttributes() ) }>`;\n\n\t// @if CK_DEBUG_ENGINE //\tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE //\t\tif ( child.is( '$text' ) ) {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\n' + '\\t'.repeat( level + 1 ) + child.data;\n\t// @if CK_DEBUG_ENGINE //\t\t} else {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\n' + child.printTree( level + 1 );\n\t// @if CK_DEBUG_ENGINE //\t\t}\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\tif ( this.childCount ) {\n\t// @if CK_DEBUG_ENGINE //\t\tstring += '\\n' + '\\t'.repeat( level );\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\tstring += `</${ this.name }>`;\n\n\t// @if CK_DEBUG_ENGINE //\treturn string;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logTree() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.printTree() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n// Parses attributes provided to the element constructor before they are applied to an element. If attributes are passed\n// as an object (instead of `Iterable`), the object is transformed to the map. Attributes with `null` value are removed.\n// Attributes with non-`String` value are converted to `String`.\n//\n// @param {Object|Iterable} attrs Attributes to parse.\n// @returns {Map} Parsed attributes.\nfunction parseAttributes( attrs ) {\n\tattrs = toMap( attrs );\n\n\tfor ( const [ key, value ] of attrs ) {\n\t\tif ( value === null ) {\n\t\t\tattrs.delete( key );\n\t\t} else if ( typeof value != 'string' ) {\n\t\t\tattrs.set( key, String( value ) );\n\t\t}\n\t}\n\n\treturn attrs;\n}\n\n// Parses class attribute and puts all classes into classes set.\n// Classes set s cleared before insertion.\n//\n// @param {Set.<String>} classesSet Set to insert parsed classes.\n// @param {String} classesString String with classes to parse.\nfunction parseClasses( classesSet, classesString ) {\n\tconst classArray = classesString.split( /\\s+/ );\n\tclassesSet.clear();\n\tclassArray.forEach( name => classesSet.add( name ) );\n}\n\n// Converts strings to Text and non-iterables to arrays.\n//\n// @param {String|module:engine/view/item~Item|Iterable.<String|module:engine/view/item~Item>}\n// @returns {Iterable.<module:engine/view/node~Node>}\nfunction normalize( document, nodes ) {\n\t// Separate condition because string is iterable.\n\tif ( typeof nodes == 'string' ) {\n\t\treturn [ new Text( document, nodes ) ];\n\t}\n\n\tif ( !isIterable( nodes ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Array.from to enable .map() on non-arrays.\n\treturn Array.from( nodes )\n\t\t.map( node => {\n\t\t\tif ( typeof node == 'string' ) {\n\t\t\t\treturn new Text( document, node );\n\t\t\t}\n\n\t\t\tif ( node instanceof TextProxy ) {\n\t\t\t\treturn new Text( document, node.data );\n\t\t\t}\n\n\t\t\treturn node;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/containerelement\n */\n\nimport Element from './element';\n\n/**\n * Containers are elements which define document structure. They define boundaries for\n * {@link module:engine/view/attributeelement~AttributeElement attributes}. They are mostly used for block elements like `<p>` or `<div>`.\n *\n * Editing engine does not define a fixed HTML DTD. This is why a feature developer needs to choose between various\n * types (container element, {@link module:engine/view/attributeelement~AttributeElement attribute element},\n * {@link module:engine/view/emptyelement~EmptyElement empty element}, etc) when developing a feature.\n *\n * The container element should be your default choice when writing a converter, unless:\n *\n * * this element represents a model text attribute (then use {@link module:engine/view/attributeelement~AttributeElement}),\n * * this is an empty element like `<img>` (then use {@link module:engine/view/emptyelement~EmptyElement}),\n * * this is a root element,\n * * this is a nested editable element (then use  {@link module:engine/view/editableelement~EditableElement}).\n *\n * To create a new container element instance use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createContainerElement `DowncastWriter#createContainerElement()`}\n * method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class ContainerElement extends Element {\n\t/**\n\t * Creates a container element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createContainerElement\n\t * @see module:engine/view/element~Element\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t/**\n\t\t * Returns block {@link module:engine/view/filler filler} offset or `null` if block filler is not needed.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {Number|null} Block filler offset or `null` if block filler is not needed.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tcontainerElement.is( 'containerElement' ); // -> true\n\t *\t\tcontainerElement.is( 'element' ); // -> true\n\t *\t\tcontainerElement.is( 'node' ); // -> true\n\t *\t\tcontainerElement.is( 'view:containerElement' ); // -> true\n\t *\t\tcontainerElement.is( 'view:element' ); // -> true\n\t *\t\tcontainerElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\tcontainerElement.is( 'model:element' ); // -> false\n\t *\t\tcontainerElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is a container element, you can also check its\n\t * {@link module:engine/view/containerelement~ContainerElement#name name}:\n\t *\n\t *\t\tcontainerElement.is( 'element', 'div' ); // -> true if this is a div container element\n\t *\t\tcontainerElement.is( 'contaienrElement', 'div' ); // -> same as above\n\t *\t\ttext.is( 'element', 'div' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n}\n\n/**\n * Returns block {@link module:engine/view/filler filler} offset or `null` if block filler is not needed.\n *\n * @returns {Number|null} Block filler offset or `null` if block filler is not needed.\n */\nexport function getFillerOffset() {\n\tconst children = [ ...this.getChildren() ];\n\tconst lastChild = children[ this.childCount - 1 ];\n\n\t// Block filler is required after a `<br>` if it's the last element in its container. See #1422.\n\tif ( lastChild && lastChild.is( 'element', 'br' ) ) {\n\t\treturn this.childCount;\n\t}\n\n\tfor ( const child of children ) {\n\t\t// If there's any non-UI element – don't render the bogus.\n\t\tif ( !child.is( 'uiElement' ) ) {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\t// If there are only UI elements – render the bogus at the end of the element.\n\treturn this.childCount;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/editableelement\n */\n\nimport ContainerElement from './containerelement';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\n\n/**\n * Editable element which can be a {@link module:engine/view/rooteditableelement~RootEditableElement root}\n * or nested editable area in the editor.\n *\n * Editable is automatically read-only when its {@link module:engine/view/document~Document Document} is read-only.\n *\n * The constructor of this class shouldn't be used directly. To create new `EditableElement` use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createEditableElement `downcastWriter#createEditableElement()`} method.\n *\n * @extends module:engine/view/containerelement~ContainerElement\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class EditableElement extends ContainerElement {\n\t/**\n\t * Creates an editable element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createEditableElement\n\t * @protected\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t/**\n\t\t * Whether the editable is in read-write or read-only mode.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/editableelement~EditableElement#isReadOnly\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * Whether the editable is focused.\n\t\t *\n\t\t * This property updates when {@link module:engine/view/document~Document#isFocused document.isFocused} or view\n\t\t * selection is changed.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/editableelement~EditableElement#isFocused\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\tthis.bind( 'isReadOnly' ).to( document );\n\n\t\tthis.bind( 'isFocused' ).to(\n\t\t\tdocument,\n\t\t\t'isFocused',\n\t\t\tisFocused => isFocused && document.selection.editableElement == this\n\t\t);\n\n\t\t// Update focus state based on selection changes.\n\t\tthis.listenTo( document.selection, 'change', () => {\n\t\t\tthis.isFocused = document.isFocused && document.selection.editableElement == this;\n\t\t} );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\teditableElement.is( 'editableElement' ); // -> true\n\t *\t\teditableElement.is( 'element' ); // -> true\n\t *\t\teditableElement.is( 'node' ); // -> true\n\t *\t\teditableElement.is( 'view:editableElement' ); // -> true\n\t *\t\teditableElement.is( 'view:element' ); // -> true\n\t *\t\teditableElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\teditableElement.is( 'model:element' ); // -> false\n\t *\t\teditableElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an editbale element, you can also check its\n\t * {@link module:engine/view/editableelement~EditableElement#name name}:\n\t *\n\t *\t\teditableElement.is( 'element', 'div' ); // -> true if this is a div element\n\t *\t\teditableElement.is( 'editableElement', 'div' ); // -> same as above\n\t *\t\ttext.is( 'element', 'div' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'editableElement' || type === 'view:editableElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'editableElement' || type === 'view:editableElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n}\n\nmix( EditableElement, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/rooteditableelement\n */\n\nimport EditableElement from './editableelement';\n\nconst rootNameSymbol = Symbol( 'rootName' );\n\n/**\n * Class representing a single root in the data view. A root can be either {@link ~RootEditableElement#isReadOnly editable or read-only},\n * but in both cases it is called \"an editable\". Roots can contain other {@link module:engine/view/editableelement~EditableElement\n * editable elements} making them \"nested editables\".\n *\n * @extends module:engine/view/editableelement~EditableElement\n */\nexport default class RootEditableElement extends EditableElement {\n\t/**\n\t * Creates root editable element.\n\t *\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t */\n\tconstructor( document, name ) {\n\t\tsuper( document, name );\n\n\t\t/**\n\t\t * Name of this root inside {@link module:engine/view/document~Document} that is an owner of this root. If no\n\t\t * other name is set, `main` name is used.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.rootName = 'main';\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\trootEditableElement.is( 'rootElement' ); // -> true\n\t *\t\trootEditableElement.is( 'editableElement' ); // -> true\n\t *\t\trootEditableElement.is( 'element' ); // -> true\n\t *\t\trootEditableElement.is( 'node' ); // -> true\n\t *\t\trootEditableElement.is( 'view:editableElement' ); // -> true\n\t *\t\trootEditableElement.is( 'view:element' ); // -> true\n\t *\t\trootEditableElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\trootEditableElement.is( 'model:element' ); // -> false\n\t *\t\trootEditableElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is a root editable element, you can also check its\n\t * {@link module:engine/view/rooteditableelement~RootEditableElement#name name}:\n\t *\n\t *\t\trootEditableElement.is( 'element', 'div' ); // -> true if this is a div root editable element\n\t *\t\trootEditableElement.is( 'rootElement', 'div' ); // -> same as above\n\t *\t\ttext.is( 'element', 'div' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'rootElement' || type === 'view:rootElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'editableElement' || type === 'view:editableElement' ||\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'rootElement' || type === 'view:rootElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'editableElement' || type === 'view:editableElement' ||\n\t\t\t\ttype === 'containerElement' || type === 'view:containerElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\tget rootName() {\n\t\treturn this.getCustomProperty( rootNameSymbol );\n\t}\n\n\tset rootName( rootName ) {\n\t\tthis._setCustomProperty( rootNameSymbol, rootName );\n\t}\n\n\t/**\n\t * Overrides old element name and sets new one.\n\t * This is needed because view roots are created before they are attached to the DOM.\n\t * The name of the root element is temporary at this stage. It has to be changed when the\n\t * view root element is attached to the DOM element.\n\t *\n\t * @protected\n\t * @param {String} name The new name of element.\n\t */\n\tset _name( name ) {\n\t\tthis.name = name;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/treewalker\n */\n\nimport Element from './element';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport Position from './position';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Position iterator class. It allows to iterate forward and backward over the document.\n */\nexport default class TreeWalker {\n\t/**\n\t * Creates a range iterator. All parameters are optional, but you have to specify either `boundaries` or `startPosition`.\n\t *\n\t * @constructor\n\t * @param {Object} options Object with configuration.\n\t * @param {module:engine/view/range~Range} [options.boundaries=null] Range to define boundaries of the iterator.\n\t * @param {module:engine/view/position~Position} [options.startPosition] Starting position.\n\t * @param {'forward'|'backward'} [options.direction='forward'] Walking direction.\n\t * @param {Boolean} [options.singleCharacters=false] Flag indicating whether all characters from\n\t * {@link module:engine/view/text~Text} should be returned as one {@link module:engine/view/text~Text} (`false`) ore one by one as\n\t * {@link module:engine/view/textproxy~TextProxy} (`true`).\n\t * @param {Boolean} [options.shallow=false] Flag indicating whether iterator should enter elements or not. If the\n\t * iterator is shallow child nodes of any iterated node will not be returned along with `elementEnd` tag.\n\t * @param {Boolean} [options.ignoreElementEnd=false] Flag indicating whether iterator should ignore `elementEnd`\n\t * tags. If the option is true walker will not return a parent node of start position. If this option is `true`\n\t * each {@link module:engine/view/element~Element} will be returned once, while if the option is `false` they might be returned\n\t * twice: for `'elementStart'` and `'elementEnd'`.\n\t */\n\tconstructor( options = {} ) {\n\t\tif ( !options.boundaries && !options.startPosition ) {\n\t\t\t/**\n\t\t\t * Neither boundaries nor starting position have been defined.\n\t\t\t *\n\t\t\t * @error view-tree-walker-no-start-position\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-tree-walker-no-start-position',\n\t\t\t\tnull\n\t\t\t);\n\t\t}\n\n\t\tif ( options.direction && options.direction != 'forward' && options.direction != 'backward' ) {\n\t\t\t/**\n\t\t\t * Only `backward` and `forward` direction allowed.\n\t\t\t *\n\t\t\t * @error view-tree-walker-unknown-direction\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-tree-walker-unknown-direction', options.startPosition, { direction: options.direction } );\n\t\t}\n\n\t\t/**\n\t\t * Iterator boundaries.\n\t\t *\n\t\t * When the iterator is walking `'forward'` on the end of boundary or is walking `'backward'`\n\t\t * on the start of boundary, then `{ done: true }` is returned.\n\t\t *\n\t\t * If boundaries are not defined they are set before first and after last child of the root node.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/range~Range} module:engine/view/treewalker~TreeWalker#boundaries\n\t\t */\n\t\tthis.boundaries = options.boundaries || null;\n\n\t\t/**\n\t\t * Iterator position. If start position is not defined then position depends on {@link #direction}. If direction is\n\t\t * `'forward'` position starts form the beginning, when direction is `'backward'` position starts from the end.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/position~Position} module:engine/view/treewalker~TreeWalker#position\n\t\t */\n\t\tif ( options.startPosition ) {\n\t\t\tthis.position = Position._createAt( options.startPosition );\n\t\t} else {\n\t\t\tthis.position = Position._createAt( options.boundaries[ options.direction == 'backward' ? 'end' : 'start' ] );\n\t\t}\n\n\t\t/**\n\t\t * Walking direction. Defaults `'forward'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'backward'|'forward'} module:engine/view/treewalker~TreeWalker#direction\n\t\t */\n\t\tthis.direction = options.direction || 'forward';\n\n\t\t/**\n\t\t * Flag indicating whether all characters from {@link module:engine/view/text~Text} should be returned as one\n\t\t * {@link module:engine/view/text~Text} or one by one as {@link module:engine/view/textproxy~TextProxy}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/view/treewalker~TreeWalker#singleCharacters\n\t\t */\n\t\tthis.singleCharacters = !!options.singleCharacters;\n\n\t\t/**\n\t\t * Flag indicating whether iterator should enter elements or not. If the iterator is shallow child nodes of any\n\t\t * iterated node will not be returned along with `elementEnd` tag.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/view/treewalker~TreeWalker#shallow\n\t\t */\n\t\tthis.shallow = !!options.shallow;\n\n\t\t/**\n\t\t * Flag indicating whether iterator should ignore `elementEnd` tags. If set to `true`, walker will not\n\t\t * return a parent node of the start position. Each {@link module:engine/view/element~Element} will be returned once.\n\t\t * When set to `false` each element might be returned twice: for `'elementStart'` and `'elementEnd'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/view/treewalker~TreeWalker#ignoreElementEnd\n\t\t */\n\t\tthis.ignoreElementEnd = !!options.ignoreElementEnd;\n\n\t\t/**\n\t\t * Start boundary parent.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/node~Node} module:engine/view/treewalker~TreeWalker#_boundaryStartParent\n\t\t */\n\t\tthis._boundaryStartParent = this.boundaries ? this.boundaries.start.parent : null;\n\n\t\t/**\n\t\t * End boundary parent.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/node~Node} module:engine/view/treewalker~TreeWalker#_boundaryEndParent\n\t\t */\n\t\tthis._boundaryEndParent = this.boundaries ? this.boundaries.end.parent : null;\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<module:engine/view/treewalker~TreeWalkerValue>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Moves {@link #position} in the {@link #direction} skipping values as long as the callback function returns `true`.\n\t *\n\t * For example:\n\t *\n\t * \t\twalker.skip( value => value.type == 'text' ); // <p>{}foo</p> -> <p>foo[]</p>\n\t * \t\twalker.skip( value => true ); // Move the position to the end: <p>{}foo</p> -> <p>foo</p>[]\n\t * \t\twalker.skip( value => false ); // Do not move the position.\n\t *\n\t * @param {Function} skip Callback function. Gets {@link module:engine/view/treewalker~TreeWalkerValue} and should\n\t * return `true` if the value should be skipped or `false` if not.\n\t */\n\tskip( skip ) {\n\t\tlet done, value, prevPosition;\n\n\t\tdo {\n\t\t\tprevPosition = this.position;\n\n\t\t\t( { done, value } = this.next() );\n\t\t} while ( !done && skip( value ) );\n\n\t\tif ( !done ) {\n\t\t\tthis.position = prevPosition;\n\t\t}\n\t}\n\n\t/**\n\t * Gets the next tree walker's value.\n\t *\n\t * @returns {module:engine/view/treewalker~TreeWalkerValue} Object implementing iterator interface, returning\n\t * information about taken step.\n\t */\n\tnext() {\n\t\tif ( this.direction == 'forward' ) {\n\t\t\treturn this._next();\n\t\t} else {\n\t\t\treturn this._previous();\n\t\t}\n\t}\n\n\t/**\n\t * Makes a step forward in view. Moves the {@link #position} to the next position and returns the encountered value.\n\t *\n\t * @private\n\t * @returns {Object}\n\t * @returns {Boolean} return.done `true` if iterator is done, `false` otherwise.\n\t * @returns {module:engine/view/treewalker~TreeWalkerValue} return.value Information about taken step.\n\t */\n\t_next() {\n\t\tlet position = this.position.clone();\n\t\tconst previousPosition = this.position;\n\t\tconst parent = position.parent;\n\n\t\t// We are at the end of the root.\n\t\tif ( parent.parent === null && position.offset === parent.childCount ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We reached the walker boundary.\n\t\tif ( parent === this._boundaryEndParent && position.offset == this.boundaries.end.offset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// Get node just after current position.\n\t\tlet node;\n\n\t\t// Text is a specific parent because it contains string instead of child nodes.\n\t\tif ( parent instanceof Text ) {\n\t\t\tif ( position.isAtEnd ) {\n\t\t\t\t// Prevent returning \"elementEnd\" for Text node. Skip that value and return the next walker step.\n\t\t\t\tthis.position = Position._createAfter( parent );\n\n\t\t\t\treturn this._next();\n\t\t\t}\n\n\t\t\tnode = parent.data[ position.offset ];\n\t\t} else {\n\t\t\tnode = parent.getChild( position.offset );\n\t\t}\n\n\t\tif ( node instanceof Element ) {\n\t\t\tif ( !this.shallow ) {\n\t\t\t\tposition = new Position( node, 0 );\n\t\t\t} else {\n\t\t\t\tposition.offset++;\n\t\t\t}\n\n\t\t\tthis.position = position;\n\n\t\t\treturn this._formatReturnValue( 'elementStart', node, previousPosition, position, 1 );\n\t\t} else if ( node instanceof Text ) {\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\tposition = new Position( node, 0 );\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._next();\n\t\t\t} else {\n\t\t\t\tlet charactersCount = node.data.length;\n\t\t\t\tlet item;\n\n\t\t\t\t// If text stick out of walker range, we need to cut it and wrap in TextProxy.\n\t\t\t\tif ( node == this._boundaryEndParent ) {\n\t\t\t\t\tcharactersCount = this.boundaries.end.offset;\n\t\t\t\t\titem = new TextProxy( node, 0, charactersCount );\n\t\t\t\t\tposition = Position._createAfter( item );\n\t\t\t\t} else {\n\t\t\t\t\titem = new TextProxy( node, 0, node.data.length );\n\t\t\t\t\t// If not just keep moving forward.\n\t\t\t\t\tposition.offset++;\n\t\t\t\t}\n\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._formatReturnValue( 'text', item, previousPosition, position, charactersCount );\n\t\t\t}\n\t\t} else if ( typeof node == 'string' ) {\n\t\t\tlet textLength;\n\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\ttextLength = 1;\n\t\t\t} else {\n\t\t\t\t// Check if text stick out of walker range.\n\t\t\t\tconst endOffset = parent === this._boundaryEndParent ? this.boundaries.end.offset : parent.data.length;\n\n\t\t\t\ttextLength = endOffset - position.offset;\n\t\t\t}\n\n\t\t\tconst textProxy = new TextProxy( parent, position.offset, textLength );\n\n\t\t\tposition.offset += textLength;\n\t\t\tthis.position = position;\n\n\t\t\treturn this._formatReturnValue( 'text', textProxy, previousPosition, position, textLength );\n\t\t} else {\n\t\t\t// `node` is not set, we reached the end of current `parent`.\n\t\t\tposition = Position._createAfter( parent );\n\t\t\tthis.position = position;\n\n\t\t\tif ( this.ignoreElementEnd ) {\n\t\t\t\treturn this._next();\n\t\t\t} else {\n\t\t\t\treturn this._formatReturnValue( 'elementEnd', parent, previousPosition, position );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Makes a step backward in view. Moves the {@link #position} to the previous position and returns the encountered value.\n\t *\n\t * @private\n\t * @returns {Object}\n\t * @returns {Boolean} return.done True if iterator is done.\n\t * @returns {module:engine/view/treewalker~TreeWalkerValue} return.value Information about taken step.\n\t */\n\t_previous() {\n\t\tlet position = this.position.clone();\n\t\tconst previousPosition = this.position;\n\t\tconst parent = position.parent;\n\n\t\t// We are at the beginning of the root.\n\t\tif ( parent.parent === null && position.offset === 0 ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We reached the walker boundary.\n\t\tif ( parent == this._boundaryStartParent && position.offset == this.boundaries.start.offset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// Get node just before current position.\n\t\tlet node;\n\n\t\t// Text {@link module:engine/view/text~Text} element is a specific parent because contains string instead of child nodes.\n\t\tif ( parent instanceof Text ) {\n\t\t\tif ( position.isAtStart ) {\n\t\t\t\t// Prevent returning \"elementStart\" for Text node. Skip that value and return the next walker step.\n\t\t\t\tthis.position = Position._createBefore( parent );\n\n\t\t\t\treturn this._previous();\n\t\t\t}\n\n\t\t\tnode = parent.data[ position.offset - 1 ];\n\t\t} else {\n\t\t\tnode = parent.getChild( position.offset - 1 );\n\t\t}\n\n\t\tif ( node instanceof Element ) {\n\t\t\tif ( !this.shallow ) {\n\t\t\t\tposition = new Position( node, node.childCount );\n\t\t\t\tthis.position = position;\n\n\t\t\t\tif ( this.ignoreElementEnd ) {\n\t\t\t\t\treturn this._previous();\n\t\t\t\t} else {\n\t\t\t\t\treturn this._formatReturnValue( 'elementEnd', node, previousPosition, position );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tposition.offset--;\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._formatReturnValue( 'elementStart', node, previousPosition, position, 1 );\n\t\t\t}\n\t\t} else if ( node instanceof Text ) {\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\tposition = new Position( node, node.data.length );\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._previous();\n\t\t\t} else {\n\t\t\t\tlet charactersCount = node.data.length;\n\t\t\t\tlet item;\n\n\t\t\t\t// If text stick out of walker range, we need to cut it and wrap in TextProxy.\n\t\t\t\tif ( node == this._boundaryStartParent ) {\n\t\t\t\t\tconst offset = this.boundaries.start.offset;\n\n\t\t\t\t\titem = new TextProxy( node, offset, node.data.length - offset );\n\t\t\t\t\tcharactersCount = item.data.length;\n\t\t\t\t\tposition = Position._createBefore( item );\n\t\t\t\t} else {\n\t\t\t\t\titem = new TextProxy( node, 0, node.data.length );\n\t\t\t\t\t// If not just keep moving backward.\n\t\t\t\t\tposition.offset--;\n\t\t\t\t}\n\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn this._formatReturnValue( 'text', item, previousPosition, position, charactersCount );\n\t\t\t}\n\t\t} else if ( typeof node == 'string' ) {\n\t\t\tlet textLength;\n\n\t\t\tif ( !this.singleCharacters ) {\n\t\t\t\t// Check if text stick out of walker range.\n\t\t\t\tconst startOffset = parent === this._boundaryStartParent ? this.boundaries.start.offset : 0;\n\n\t\t\t\ttextLength = position.offset - startOffset;\n\t\t\t} else {\n\t\t\t\ttextLength = 1;\n\t\t\t}\n\n\t\t\tposition.offset -= textLength;\n\n\t\t\tconst textProxy = new TextProxy( parent, position.offset, textLength );\n\n\t\t\tthis.position = position;\n\n\t\t\treturn this._formatReturnValue( 'text', textProxy, previousPosition, position, textLength );\n\t\t} else {\n\t\t\t// `node` is not set, we reached the beginning of current `parent`.\n\t\t\tposition = Position._createBefore( parent );\n\t\t\tthis.position = position;\n\n\t\t\treturn this._formatReturnValue( 'elementStart', parent, previousPosition, position, 1 );\n\t\t}\n\t}\n\n\t/**\n\t * Format returned data and adjust `previousPosition` and `nextPosition` if reach the bound of the {@link module:engine/view/text~Text}.\n\t *\n\t * @private\n\t * @param {module:engine/view/treewalker~TreeWalkerValueType} type Type of step.\n\t * @param {module:engine/view/item~Item} item Item between old and new position.\n\t * @param {module:engine/view/position~Position} previousPosition Previous position of iterator.\n\t * @param {module:engine/view/position~Position} nextPosition Next position of iterator.\n\t * @param {Number} [length] Length of the item.\n\t * @returns {module:engine/view/treewalker~TreeWalkerValue}\n\t */\n\t_formatReturnValue( type, item, previousPosition, nextPosition, length ) {\n\t\t// Text is a specific parent, because contains string instead of children.\n\t\t// Walker doesn't enter to the Text except situations when walker is iterating over every single character,\n\t\t// or the bound starts/ends inside the Text. So when the position is at the beginning or at the end of the Text\n\t\t// we move it just before or just after Text.\n\t\tif ( item instanceof TextProxy ) {\n\t\t\t// Position is at the end of Text.\n\t\t\tif ( item.offsetInText + item.data.length == item.textNode.data.length ) {\n\t\t\t\tif ( this.direction == 'forward' && !( this.boundaries && this.boundaries.end.isEqual( this.position ) ) ) {\n\t\t\t\t\tnextPosition = Position._createAfter( item.textNode );\n\t\t\t\t\t// When we change nextPosition of returned value we need also update walker current position.\n\t\t\t\t\tthis.position = nextPosition;\n\t\t\t\t} else {\n\t\t\t\t\tpreviousPosition = Position._createAfter( item.textNode );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Position is at the begining ot the text.\n\t\t\tif ( item.offsetInText === 0 ) {\n\t\t\t\tif ( this.direction == 'backward' && !( this.boundaries && this.boundaries.start.isEqual( this.position ) ) ) {\n\t\t\t\t\tnextPosition = Position._createBefore( item.textNode );\n\t\t\t\t\t// When we change nextPosition of returned value we need also update walker current position.\n\t\t\t\t\tthis.position = nextPosition;\n\t\t\t\t} else {\n\t\t\t\t\tpreviousPosition = Position._createBefore( item.textNode );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn {\n\t\t\tdone: false,\n\t\t\tvalue: {\n\t\t\t\ttype,\n\t\t\t\titem,\n\t\t\t\tpreviousPosition,\n\t\t\t\tnextPosition,\n\t\t\t\tlength\n\t\t\t}\n\t\t};\n\t}\n}\n\n/**\n * Type of the step made by {@link module:engine/view/treewalker~TreeWalker}.\n * Possible values: `'elementStart'` if walker is at the beginning of a node, `'elementEnd'` if walker is at the end\n * of node, or `'text'` if walker traversed over single and multiple characters.\n * For {@link module:engine/view/text~Text} `elementStart` and `elementEnd` is not returned.\n *\n * @typedef {String} module:engine/view/treewalker~TreeWalkerValueType\n */\n\n/**\n * Object returned by {@link module:engine/view/treewalker~TreeWalker} when traversing tree view.\n *\n * @typedef {Object} module:engine/view/treewalker~TreeWalkerValue\n * @property {module:engine/view/treewalker~TreeWalkerValueType} type\n * @property {module:engine/view/item~Item} item Item between the old and the new positions\n * of the tree walker.\n * @property {module:engine/view/position~Position} previousPosition Previous position of the iterator.\n * * Forward iteration: For `'elementEnd'` it is the last position inside the element. For all other types it is the\n * position before the item.\n * * Backward iteration: For `'elementStart'` it is the first position inside the element. For all other types it is\n * the position after item.\n * * If the position is at the beginning or at the end of the {@link module:engine/view/text~Text} it is always moved from the\n * inside of the text to its parent just before or just after that text.\n * @property {module:engine/view/position~Position} nextPosition Next position of the iterator.\n * * Forward iteration: For `'elementStart'` it is the first position inside the element. For all other types it is\n * the position after the item.\n * * Backward iteration: For `'elementEnd'` it is last position inside element. For all other types it is the position\n * before the item.\n * * If the position is at the beginning or at the end of the {@link module:engine/view/text~Text} it is always moved from the\n * inside of the text to its parent just before or just after that text.\n * @property {Number} [length] Length of the item. For `'elementStart'` it is `1`. For `'text'` it is\n * the length of that text. For `'elementEnd'` it is `undefined`.\n */\n\n/**\n * Tree walking directions.\n *\n * @typedef {'forward'|'backward'} module:engine/view/treewalker~TreeWalkerDirection\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/position\n */\n\nimport TreeWalker from './treewalker';\n\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport EditableElement from './editableelement';\n\n// To check if component is loaded more than once.\nimport '@ckeditor/ckeditor5-utils/src/version';\n\n/**\n * Position in the view tree. Position is represented by its parent node and an offset in this parent.\n *\n * In order to create a new position instance use the `createPosition*()` factory methods available in:\n *\n * * {@link module:engine/view/view~View}\n * * {@link module:engine/view/downcastwriter~DowncastWriter}\n * * {@link module:engine/view/upcastwriter~UpcastWriter}\n */\nexport default class Position {\n\t/**\n\t * Creates a position.\n\t *\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} parent Position parent.\n\t * @param {Number} offset Position offset.\n\t */\n\tconstructor( parent, offset ) {\n\t\t/**\n\t\t * Position parent.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t\t * module:engine/view/position~Position#parent\n\t\t */\n\t\tthis.parent = parent;\n\n\t\t/**\n\t\t * Position offset.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} module:engine/view/position~Position#offset\n\t\t */\n\t\tthis.offset = offset;\n\t}\n\n\t/**\n\t * Node directly after the position. Equals `null` when there is no node after position or position is located\n\t * inside text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|null}\n\t */\n\tget nodeAfter() {\n\t\tif ( this.parent.is( '$text' ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.parent.getChild( this.offset ) || null;\n\t}\n\n\t/**\n\t * Node directly before the position. Equals `null` when there is no node before position or position is located\n\t * inside text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|null}\n\t */\n\tget nodeBefore() {\n\t\tif ( this.parent.is( '$text' ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.parent.getChild( this.offset - 1 ) || null;\n\t}\n\n\t/**\n\t * Is `true` if position is at the beginning of its {@link module:engine/view/position~Position#parent parent}, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAtStart() {\n\t\treturn this.offset === 0;\n\t}\n\n\t/**\n\t * Is `true` if position is at the end of its {@link module:engine/view/position~Position#parent parent}, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAtEnd() {\n\t\tconst endOffset = this.parent.is( '$text' ) ? this.parent.data.length : this.parent.childCount;\n\n\t\treturn this.offset === endOffset;\n\t}\n\n\t/**\n\t * Position's root, that is the root of the position's parent element.\n\t *\n\t * @readonly\n\t * @type {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.parent.root;\n\t}\n\n\t/**\n\t * {@link module:engine/view/editableelement~EditableElement EditableElement} instance that contains this position, or `null` if\n\t * position is not inside an editable element.\n\t *\n\t * @type {module:engine/view/editableelement~EditableElement|null}\n\t */\n\tget editableElement() {\n\t\tlet editable = this.parent;\n\n\t\twhile ( !( editable instanceof EditableElement ) ) {\n\t\t\tif ( editable.parent ) {\n\t\t\t\teditable = editable.parent;\n\t\t\t} else {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t}\n\n\t\treturn editable;\n\t}\n\n\t/**\n\t * Returns a new instance of Position with offset incremented by `shift` value.\n\t *\n\t * @param {Number} shift How position offset should get changed. Accepts negative values.\n\t * @returns {module:engine/view/position~Position} Shifted position.\n\t */\n\tgetShiftedBy( shift ) {\n\t\tconst shifted = Position._createAt( this );\n\n\t\tconst offset = shifted.offset + shift;\n\t\tshifted.offset = offset < 0 ? 0 : offset;\n\n\t\treturn shifted;\n\t}\n\n\t/**\n\t * Gets the farthest position which matches the callback using\n\t * {@link module:engine/view/treewalker~TreeWalker TreeWalker}.\n\t *\n\t * For example:\n\t *\n\t * \t\tgetLastMatchingPosition( value => value.type == 'text' ); // <p>{}foo</p> -> <p>foo[]</p>\n\t * \t\tgetLastMatchingPosition( value => value.type == 'text', { direction: 'backward' } ); // <p>foo[]</p> -> <p>{}foo</p>\n\t * \t\tgetLastMatchingPosition( value => false ); // Do not move the position.\n\t *\n\t * @param {Function} skip Callback function. Gets {@link module:engine/view/treewalker~TreeWalkerValue} and should\n\t * return `true` if the value should be skipped or `false` if not.\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}.\n\t *\n\t * @returns {module:engine/view/position~Position} The position after the last item which matches the `skip` callback test.\n\t */\n\tgetLastMatchingPosition( skip, options = {} ) {\n\t\toptions.startPosition = this;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\t\ttreeWalker.skip( skip );\n\n\t\treturn treeWalker.position;\n\t}\n\n\t/**\n\t * Returns ancestors array of this position, that is this position's parent and it's ancestors.\n\t *\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors() {\n\t\tif ( this.parent.is( 'documentFragment' ) ) {\n\t\t\treturn [ this.parent ];\n\t\t} else {\n\t\t\treturn this.parent.getAncestors( { includeSelf: true } );\n\t\t}\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/view/node~Node} or {@link module:engine/view/documentfragment~DocumentFragment}\n\t * which is a common ancestor of both positions.\n\t *\n\t * @param {module:engine/view/position~Position} position\n\t * @returns {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor( position ) {\n\t\tconst ancestorsA = this.getAncestors();\n\t\tconst ancestorsB = position.getAncestors();\n\n\t\tlet i = 0;\n\n\t\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tposition.is( 'position' ); // -> true\n\t *\t\tposition.is( 'view:position' ); // -> true\n\t *\n\t *\t\tposition.is( 'model:position' ); // -> false\n\t *\t\tposition.is( 'element' ); // -> false\n\t *\t\tposition.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'position' || type === 'view:position';\n\t}\n\n\t/**\n\t * Checks whether this position equals given position.\n\t *\n\t * @param {module:engine/view/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if positions are same.\n\t */\n\tisEqual( otherPosition ) {\n\t\treturn ( this.parent == otherPosition.parent && this.offset == otherPosition.offset );\n\t}\n\n\t/**\n\t * Checks whether this position is located before given position. When method returns `false` it does not mean that\n\t * this position is after give one. Two positions may be located inside separate roots and in that situation this\n\t * method will still return `false`.\n\t *\n\t * @see module:engine/view/position~Position#isAfter\n\t * @see module:engine/view/position~Position#compareWith\n\t * @param {module:engine/view/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} Returns `true` if this position is before given position.\n\t */\n\tisBefore( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'before';\n\t}\n\n\t/**\n\t * Checks whether this position is located after given position. When method returns `false` it does not mean that\n\t * this position is before give one. Two positions may be located inside separate roots and in that situation this\n\t * method will still return `false`.\n\t *\n\t * @see module:engine/view/position~Position#isBefore\n\t * @see module:engine/view/position~Position#compareWith\n\t * @param {module:engine/view/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} Returns `true` if this position is after given position.\n\t */\n\tisAfter( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'after';\n\t}\n\n\t/**\n\t * Checks whether this position is before, after or in same position that other position. Two positions may be also\n\t * different when they are located in separate roots.\n\t *\n\t * @param {module:engine/view/position~Position} otherPosition Position to compare with.\n\t * @returns {module:engine/view/position~PositionRelation}\n\t */\n\tcompareWith( otherPosition ) {\n\t\tif ( this.root !== otherPosition.root ) {\n\t\t\treturn 'different';\n\t\t}\n\n\t\tif ( this.isEqual( otherPosition ) ) {\n\t\t\treturn 'same';\n\t\t}\n\n\t\t// Get path from root to position's parent element.\n\t\tconst thisPath = this.parent.is( 'node' ) ? this.parent.getPath() : [];\n\t\tconst otherPath = otherPosition.parent.is( 'node' ) ? otherPosition.parent.getPath() : [];\n\n\t\t// Add the positions' offsets to the parents offsets.\n\t\tthisPath.push( this.offset );\n\t\totherPath.push( otherPosition.offset );\n\n\t\t// Compare both path arrays to find common ancestor.\n\t\tconst result = compareArrays( thisPath, otherPath );\n\n\t\tswitch ( result ) {\n\t\t\tcase 'prefix':\n\t\t\t\treturn 'before';\n\n\t\t\tcase 'extension':\n\t\t\t\treturn 'after';\n\n\t\t\tdefault:\n\t\t\t\treturn thisPath[ result ] < otherPath[ result ] ? 'before' : 'after';\n\t\t}\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/view/treewalker~TreeWalker TreeWalker} instance with this positions as a start position.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}\n\t * @param {module:engine/view/range~Range} [options.boundaries=null] Range to define boundaries of the iterator.\n\t * @param {Boolean} [options.singleCharacters=false]\n\t * @param {Boolean} [options.shallow=false]\n\t * @param {Boolean} [options.ignoreElementEnd=false]\n\t */\n\tgetWalker( options = {} ) {\n\t\toptions.startPosition = this;\n\n\t\treturn new TreeWalker( options );\n\t}\n\n\tclone() {\n\t\treturn new Position( this.parent, this.offset );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/view/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/view/item~Item view item} and `'before'` or `'after'` (sets position before or after given view item).\n\t *\n\t * This method is a shortcut to other constructors such as:\n\t *\n\t * * {@link module:engine/view/position~Position._createBefore},\n\t * * {@link module:engine/view/position~Position._createAfter}.\n\t *\n\t * @protected\n\t * @param {module:engine/view/item~Item|module:engine/view/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tstatic _createAt( itemOrPosition, offset ) {\n\t\tif ( itemOrPosition instanceof Position ) {\n\t\t\treturn new this( itemOrPosition.parent, itemOrPosition.offset );\n\t\t} else {\n\t\t\tconst node = itemOrPosition;\n\n\t\t\tif ( offset == 'end' ) {\n\t\t\t\toffset = node.is( '$text' ) ? node.data.length : node.childCount;\n\t\t\t} else if ( offset == 'before' ) {\n\t\t\t\treturn this._createBefore( node );\n\t\t\t} else if ( offset == 'after' ) {\n\t\t\t\treturn this._createAfter( node );\n\t\t\t} else if ( offset !== 0 && !offset ) {\n\t\t\t\t/**\n\t\t\t\t * {@link module:engine/view/view~View#createPositionAt `View#createPositionAt()`}\n\t\t\t\t * requires the offset to be specified when the first parameter is a view item.\n\t\t\t\t *\n\t\t\t\t * @error view-createpositionat-offset-required\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'view-createpositionat-offset-required', node );\n\t\t\t}\n\n\t\t\treturn new Position( node, offset );\n\t\t}\n\t}\n\n\t/**\n\t * Creates a new position after given view item.\n\t *\n\t * @protected\n\t * @param {module:engine/view/item~Item} item View item after which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tstatic _createAfter( item ) {\n\t\t// TextProxy is not a instance of Node so we need do handle it in specific way.\n\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\treturn new Position( item.textNode, item.offsetInText + item.data.length );\n\t\t}\n\n\t\tif ( !item.parent ) {\n\t\t\t/**\n\t\t\t * You can not make a position after a root.\n\t\t\t *\n\t\t\t * @error view-position-after-root\n\t\t\t * @param {module:engine/view/node~Node} root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-position-after-root', item, { root: item } );\n\t\t}\n\n\t\treturn new Position( item.parent, item.index + 1 );\n\t}\n\n\t/**\n\t * Creates a new position before given view item.\n\t *\n\t * @protected\n\t * @param {module:engine/view/item~Item} item View item before which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tstatic _createBefore( item ) {\n\t\t// TextProxy is not a instance of Node so we need do handle it in specific way.\n\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\treturn new Position( item.textNode, item.offsetInText );\n\t\t}\n\n\t\tif ( !item.parent ) {\n\t\t\t/**\n\t\t\t * You cannot make a position before a root.\n\t\t\t *\n\t\t\t * @error view-position-before-root\n\t\t\t * @param {module:engine/view/node~Node} root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-position-before-root', item, { root: item } );\n\t\t}\n\n\t\treturn new Position( item.parent, item.index );\n\t}\n}\n\n/**\n * A flag indicating whether this position is `'before'` or `'after'` or `'same'` as given position.\n * If positions are in different roots `'different'` flag is returned.\n *\n * @typedef {String} module:engine/view/position~PositionRelation\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/range\n */\n\nimport Position from './position';\nimport TreeWalker from './treewalker';\n\n/**\n * Range in the view tree. A range is represented by its start and end {@link module:engine/view/position~Position positions}.\n *\n * In order to create a new position instance use the `createPosition*()` factory methods available in:\n *\n * * {@link module:engine/view/view~View}\n * * {@link module:engine/view/downcastwriter~DowncastWriter}\n * * {@link module:engine/view/upcastwriter~UpcastWriter}\n */\nexport default class Range {\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * **Note:** Constructor creates it's own {@link module:engine/view/position~Position} instances basing on passed values.\n\t *\n\t * @param {module:engine/view/position~Position} start Start position.\n\t * @param {module:engine/view/position~Position} [end] End position. If not set, range will be collapsed at the `start` position.\n\t */\n\tconstructor( start, end = null ) {\n\t\t/**\n\t\t * Start position.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/position~Position}\n\t\t */\n\t\tthis.start = start.clone();\n\n\t\t/**\n\t\t * End position.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/position~Position}\n\t\t */\n\t\tthis.end = end ? end.clone() : start.clone();\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all {@link module:engine/view/item~Item view items} that are in this range and returns\n\t * them together with additional information like length or {@link module:engine/view/position~Position positions},\n\t * grouped as {@link module:engine/view/treewalker~TreeWalkerValue}.\n\t *\n\t * This iterator uses {@link module:engine/view/treewalker~TreeWalker TreeWalker} with `boundaries` set to this range and\n\t * `ignoreElementEnd` option\n\t * set to `true`.\n\t *\n\t * @returns {Iterable.<module:engine/view/treewalker~TreeWalkerValue>}\n\t */\n\t* [ Symbol.iterator ]() {\n\t\tyield* new TreeWalker( { boundaries: this, ignoreElementEnd: true } );\n\t}\n\n\t/**\n\t * Returns whether the range is collapsed, that is it start and end positions are equal.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this.start.isEqual( this.end );\n\t}\n\n\t/**\n\t * Returns whether this range is flat, that is if {@link module:engine/view/range~Range#start start} position and\n\t * {@link module:engine/view/range~Range#end end} position are in the same {@link module:engine/view/position~Position#parent parent}.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isFlat() {\n\t\treturn this.start.parent === this.end.parent;\n\t}\n\n\t/**\n\t * Range root element.\n\t *\n\t * @type {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.start.root;\n\t}\n\n\t/**\n\t * Creates a maximal range that has the same content as this range but is expanded in both ways (at the beginning\n\t * and at the end).\n\t *\n\t * For example:\n\t *\n\t *\t\t<p>Foo</p><p><b>{Bar}</b></p> -> <p>Foo</p>[<p><b>Bar</b>]</p>\n\t *\t\t<p><b>foo</b>{bar}<span></span></p> -> <p><b>foo[</b>bar<span></span>]</p>\n\t *\n\t * Note that in the sample above:\n\t *\n\t * - `<p>` have type of {@link module:engine/view/containerelement~ContainerElement},\n\t * - `<b>` have type of {@link module:engine/view/attributeelement~AttributeElement},\n\t * - `<span>` have type of {@link module:engine/view/uielement~UIElement}.\n\t *\n\t * @returns {module:engine/view/range~Range} Enlarged range.\n\t */\n\tgetEnlarged() {\n\t\tlet start = this.start.getLastMatchingPosition( enlargeTrimSkip, { direction: 'backward' } );\n\t\tlet end = this.end.getLastMatchingPosition( enlargeTrimSkip );\n\n\t\t// Fix positions, in case if they are in Text node.\n\t\tif ( start.parent.is( '$text' ) && start.isAtStart ) {\n\t\t\tstart = Position._createBefore( start.parent );\n\t\t}\n\n\t\tif ( end.parent.is( '$text' ) && end.isAtEnd ) {\n\t\t\tend = Position._createAfter( end.parent );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Creates a minimum range that has the same content as this range but is trimmed in both ways (at the beginning\n\t * and at the end).\n\t *\n\t * For example:\n\t *\n\t *\t\t<p>Foo</p>[<p><b>Bar</b>]</p> -> <p>Foo</p><p><b>{Bar}</b></p>\n\t *\t\t<p><b>foo[</b>bar<span></span>]</p> -> <p><b>foo</b>{bar}<span></span></p>\n\t *\n\t * Note that in the sample above:\n\t *\n\t * - `<p>` have type of {@link module:engine/view/containerelement~ContainerElement},\n\t * - `<b>` have type of {@link module:engine/view/attributeelement~AttributeElement},\n\t * - `<span>` have type of {@link module:engine/view/uielement~UIElement}.\n\t *\n\t * @returns {module:engine/view/range~Range} Shrink range.\n\t */\n\tgetTrimmed() {\n\t\tlet start = this.start.getLastMatchingPosition( enlargeTrimSkip );\n\n\t\tif ( start.isAfter( this.end ) || start.isEqual( this.end ) ) {\n\t\t\treturn new Range( start, start );\n\t\t}\n\n\t\tlet end = this.end.getLastMatchingPosition( enlargeTrimSkip, { direction: 'backward' } );\n\t\tconst nodeAfterStart = start.nodeAfter;\n\t\tconst nodeBeforeEnd = end.nodeBefore;\n\n\t\t// Because TreeWalker prefers positions next to text node, we need to move them manually into these text nodes.\n\t\tif ( nodeAfterStart && nodeAfterStart.is( '$text' ) ) {\n\t\t\tstart = new Position( nodeAfterStart, 0 );\n\t\t}\n\n\t\tif ( nodeBeforeEnd && nodeBeforeEnd.is( '$text' ) ) {\n\t\t\tend = new Position( nodeBeforeEnd, nodeBeforeEnd.data.length );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Two ranges are equal if their start and end positions are equal.\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to compare with.\n\t * @returns {Boolean} `true` if ranges are equal, `false` otherwise\n\t */\n\tisEqual( otherRange ) {\n\t\treturn this == otherRange || ( this.start.isEqual( otherRange.start ) && this.end.isEqual( otherRange.end ) );\n\t}\n\n\t/**\n\t * Checks whether this range contains given {@link module:engine/view/position~Position position}.\n\t *\n\t * @param {module:engine/view/position~Position} position Position to check.\n\t * @returns {Boolean} `true` if given {@link module:engine/view/position~Position position} is contained in this range,\n\t * `false` otherwise.\n\t */\n\tcontainsPosition( position ) {\n\t\treturn position.isAfter( this.start ) && position.isBefore( this.end );\n\t}\n\n\t/**\n\t * Checks whether this range contains given {@link module:engine/view/range~Range range}.\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to check.\n\t * @param {Boolean} [loose=false] Whether the check is loose or strict. If the check is strict (`false`), compared range cannot\n\t * start or end at the same position as this range boundaries. If the check is loose (`true`), compared range can start, end or\n\t * even be equal to this range. Note that collapsed ranges are always compared in strict mode.\n\t * @returns {Boolean} `true` if given {@link module:engine/view/range~Range range} boundaries are contained by this range, `false`\n\t * otherwise.\n\t */\n\tcontainsRange( otherRange, loose = false ) {\n\t\tif ( otherRange.isCollapsed ) {\n\t\t\tloose = false;\n\t\t}\n\n\t\tconst containsStart = this.containsPosition( otherRange.start ) || ( loose && this.start.isEqual( otherRange.start ) );\n\t\tconst containsEnd = this.containsPosition( otherRange.end ) || ( loose && this.end.isEqual( otherRange.end ) );\n\n\t\treturn containsStart && containsEnd;\n\t}\n\n\t/**\n\t * Computes which part(s) of this {@link module:engine/view/range~Range range} is not a part of given\n\t * {@link module:engine/view/range~Range range}.\n\t * Returned array contains zero, one or two {@link module:engine/view/range~Range ranges}.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet foo = downcastWriter.createText( 'foo' );\n\t *\t\tlet img = downcastWriter.createContainerElement( 'img' );\n\t *\t\tlet bar = downcastWriter.createText( 'bar' );\n\t *\t\tlet p = downcastWriter.createContainerElement( 'p', null, [ foo, img, bar ] );\n\t *\n\t *\t\tlet range = view.createRange( view.createPositionAt( foo, 2 ), view.createPositionAt( bar, 1 ); // \"o\", img, \"b\" are in range.\n\t *\t\tlet otherRange = view.createRange( // \"oo\", img, \"ba\" are in range.\n\t *\t\t\tview.createPositionAt( foo, 1 ),\n\t *\t\t\tview.createPositionAt( bar, 2 )\n\t *\t\t);\n\t *\t\tlet transformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has no ranges because `otherRange` contains `range`\n\t *\n\t *\t\totherRange = view.createRange( view.createPositionAt( foo, 1 ), view.createPositionAt( p, 2 ); // \"oo\", img are in range.\n\t *\t\ttransformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has one range: from ( p, 2 ) to ( bar, 1 )\n\t *\n\t *\t\totherRange = view.createRange( view.createPositionAt( p, 1 ), view.createPositionAt( p, 2 ) ); // img is in range.\n\t *\t\ttransformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has two ranges: from ( foo, 1 ) to ( p, 1 ) and from ( p, 2 ) to ( bar, 1 )\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to differentiate against.\n\t * @returns {Array.<module:engine/view/range~Range>} The difference between ranges.\n\t */\n\tgetDifference( otherRange ) {\n\t\tconst ranges = [];\n\n\t\tif ( this.isIntersecting( otherRange ) ) {\n\t\t\t// Ranges intersect.\n\n\t\t\tif ( this.containsPosition( otherRange.start ) ) {\n\t\t\t\t// Given range start is inside this range. This means that we have to\n\t\t\t\t// add shrunken range - from the start to the middle of this range.\n\t\t\t\tranges.push( new Range( this.start, otherRange.start ) );\n\t\t\t}\n\n\t\t\tif ( this.containsPosition( otherRange.end ) ) {\n\t\t\t\t// Given range end is inside this range. This means that we have to\n\t\t\t\t// add shrunken range - from the middle of this range to the end.\n\t\t\t\tranges.push( new Range( otherRange.end, this.end ) );\n\t\t\t}\n\t\t} else {\n\t\t\t// Ranges do not intersect, return the original range.\n\t\t\tranges.push( this.clone() );\n\t\t}\n\n\t\treturn ranges;\n\t}\n\n\t/**\n\t * Returns an intersection of this {@link module:engine/view/range~Range range} and given {@link module:engine/view/range~Range range}.\n\t * Intersection is a common part of both of those ranges. If ranges has no common part, returns `null`.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet foo = downcastWriter.createText( 'foo' );\n\t *\t\tlet img = downcastWriter.createContainerElement( 'img' );\n\t *\t\tlet bar = downcastWriter.createText( 'bar' );\n\t *\t\tlet p = downcastWriter.createContainerElement( 'p', null, [ foo, img, bar ] );\n\t *\n\t *\t\tlet range = view.createRange( view.createPositionAt( foo, 2 ), view.createPositionAt( bar, 1 ); // \"o\", img, \"b\" are in range.\n\t *\t\tlet otherRange = view.createRange( view.createPositionAt( foo, 1 ), view.createPositionAt( p, 2 ); // \"oo\", img are in range.\n\t *\t\tlet transformed = range.getIntersection( otherRange ); // range from ( foo, 1 ) to ( p, 2 ).\n\t *\n\t *\t\totherRange = view.createRange( view.createPositionAt( bar, 1 ), view.createPositionAt( bar, 3 ); \"ar\" is in range.\n\t *\t\ttransformed = range.getIntersection( otherRange ); // null - no common part.\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to check for intersection.\n\t * @returns {module:engine/view/range~Range|null} A common part of given ranges or `null` if ranges have no common part.\n\t */\n\tgetIntersection( otherRange ) {\n\t\tif ( this.isIntersecting( otherRange ) ) {\n\t\t\t// Ranges intersect, so a common range will be returned.\n\t\t\t// At most, it will be same as this range.\n\t\t\tlet commonRangeStart = this.start;\n\t\t\tlet commonRangeEnd = this.end;\n\n\t\t\tif ( this.containsPosition( otherRange.start ) ) {\n\t\t\t\t// Given range start is inside this range. This means thaNt we have to\n\t\t\t\t// shrink common range to the given range start.\n\t\t\t\tcommonRangeStart = otherRange.start;\n\t\t\t}\n\n\t\t\tif ( this.containsPosition( otherRange.end ) ) {\n\t\t\t\t// Given range end is inside this range. This means that we have to\n\t\t\t\t// shrink common range to the given range end.\n\t\t\t\tcommonRangeEnd = otherRange.end;\n\t\t\t}\n\n\t\t\treturn new Range( commonRangeStart, commonRangeEnd );\n\t\t}\n\n\t\t// Ranges do not intersect, so they do not have common part.\n\t\treturn null;\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/view/treewalker~TreeWalker TreeWalker} instance with this range as a boundary.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}.\n\t * @param {module:engine/view/position~Position} [options.startPosition]\n\t * @param {Boolean} [options.singleCharacters=false]\n\t * @param {Boolean} [options.shallow=false]\n\t * @param {Boolean} [options.ignoreElementEnd=false]\n\t * @returns {module:engine/view/treewalker~TreeWalker}\n\t */\n\tgetWalker( options = {} ) {\n\t\toptions.boundaries = this;\n\n\t\treturn new TreeWalker( options );\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/view/node~Node} or {@link module:engine/view/documentfragment~DocumentFragment}\n\t * which is a common ancestor of range's both ends (in which the entire range is contained).\n\t *\n\t * @returns {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor() {\n\t\treturn this.start.getCommonAncestor( this.end );\n\t}\n\n\t/**\n\t * Returns an {@link module:engine/view/element~Element Element} contained by the range.\n\t * The element will be returned when it is the **only** node within the range and **fully–contained**\n\t * at the same time.\n\t *\n\t * @returns {module:engine/view/element~Element|null}\n\t */\n\tgetContainedElement() {\n\t\tif ( this.isCollapsed ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tlet nodeAfterStart = this.start.nodeAfter;\n\t\tlet nodeBeforeEnd = this.end.nodeBefore;\n\n\t\t// Handle the situation when the range position is at the beginning / at the end of a text node.\n\t\t// In such situation `.nodeAfter` and `.nodeBefore` are `null` but the range still might be spanning\n\t\t// over one element.\n\t\t//\n\t\t// <p>Foo{<span class=\"widget\"></span>}bar</p> vs <p>Foo[<span class=\"widget\"></span>]bar</p>\n\t\t//\n\t\t// These are basically the same range, only the difference is if the range position is at\n\t\t// at the end/at the beginning of a text node or just before/just after the text node.\n\t\t//\n\t\tif ( this.start.parent.is( '$text' ) && this.start.isAtEnd && this.start.parent.nextSibling ) {\n\t\t\tnodeAfterStart = this.start.parent.nextSibling;\n\t\t}\n\n\t\tif ( this.end.parent.is( '$text' ) && this.end.isAtStart && this.end.parent.previousSibling ) {\n\t\t\tnodeBeforeEnd = this.end.parent.previousSibling;\n\t\t}\n\n\t\tif ( nodeAfterStart && nodeAfterStart.is( 'element' ) && nodeAfterStart === nodeBeforeEnd ) {\n\t\t\treturn nodeAfterStart;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Clones this range.\n\t *\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tclone() {\n\t\treturn new Range( this.start, this.end );\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all {@link module:engine/view/item~Item view items} that are in this range and returns\n\t * them.\n\t *\n\t * This method uses {@link module:engine/view/treewalker~TreeWalker} with `boundaries` set to this range and `ignoreElementEnd` option\n\t * set to `true`. However it returns only {@link module:engine/view/item~Item items},\n\t * not {@link module:engine/view/treewalker~TreeWalkerValue}.\n\t *\n\t * You may specify additional options for the tree walker. See {@link module:engine/view/treewalker~TreeWalker} for\n\t * a full list of available options.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}.\n\t * @returns {Iterable.<module:engine/view/item~Item>}\n\t */\n\t* getItems( options = {} ) {\n\t\toptions.boundaries = this;\n\t\toptions.ignoreElementEnd = true;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\tyield value.item;\n\t\t}\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all {@link module:engine/view/position~Position positions} that are boundaries or\n\t * contained in this range.\n\t *\n\t * This method uses {@link module:engine/view/treewalker~TreeWalker} with `boundaries` set to this range. However it returns only\n\t * {@link module:engine/view/position~Position positions}, not {@link module:engine/view/treewalker~TreeWalkerValue}.\n\t *\n\t * You may specify additional options for the tree walker. See {@link module:engine/view/treewalker~TreeWalker} for\n\t * a full list of available options.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/view/treewalker~TreeWalker}.\n\t * @returns {Iterable.<module:engine/view/position~Position>}\n\t */\n\t* getPositions( options = {} ) {\n\t\toptions.boundaries = this;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\n\t\tyield treeWalker.position;\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\tyield value.nextPosition;\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\trange.is( 'range' ); // -> true\n\t *\t\trange.is( 'view:range' ); // -> true\n\t *\n\t *\t\trange.is( 'model:range' ); // -> false\n\t *\t\trange.is( 'element' ); // -> false\n\t *\t\trange.is( 'selection' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'range' || type === 'view:range';\n\t}\n\n\t/**\n\t * Checks and returns whether this range intersects with the given range.\n\t *\n\t * @param {module:engine/view/range~Range} otherRange Range to compare with.\n\t * @returns {Boolean} True if ranges intersect.\n\t */\n\tisIntersecting( otherRange ) {\n\t\treturn this.start.isBefore( otherRange.end ) && this.end.isAfter( otherRange.start );\n\t}\n\n\t/**\n\t * Creates a range from the given parents and offsets.\n\t *\n\t * @protected\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} startElement Start position\n\t * parent element.\n\t * @param {Number} startOffset Start position offset.\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} endElement End position\n\t * parent element.\n\t * @param {Number} endOffset End position offset.\n\t * @returns {module:engine/view/range~Range} Created range.\n\t */\n\tstatic _createFromParentsAndOffsets( startElement, startOffset, endElement, endOffset ) {\n\t\treturn new this(\n\t\t\tnew Position( startElement, startOffset ),\n\t\t\tnew Position( endElement, endOffset )\n\t\t);\n\t}\n\n\t/**\n\t * Creates a new range, spreading from specified {@link module:engine/view/position~Position position} to a position moved by\n\t * given `shift`. If `shift` is a negative value, shifted position is treated as the beginning of the range.\n\t *\n\t * @protected\n\t * @param {module:engine/view/position~Position} position Beginning of the range.\n\t * @param {Number} shift How long the range should be.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tstatic _createFromPositionAndShift( position, shift ) {\n\t\tconst start = position;\n\t\tconst end = position.getShiftedBy( shift );\n\n\t\treturn shift > 0 ? new this( start, end ) : new this( end, start );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @protected\n\t * @param {module:engine/view/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tstatic _createIn( element ) {\n\t\treturn this._createFromParentsAndOffsets( element, 0, element, element.childCount );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/view/item~Item view item} and ends after it.\n\t *\n\t * @protected\n\t * @param {module:engine/view/item~Item} item\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tstatic _createOn( item ) {\n\t\tconst size = item.is( '$textProxy' ) ? item.offsetSize : 1;\n\n\t\treturn this._createFromPositionAndShift( Position._createBefore( item ), size );\n\t}\n}\n\n// Function used by getEnlarged and getTrimmed methods.\nfunction enlargeTrimSkip( value ) {\n\tif ( value.item.is( 'attributeElement' ) || value.item.is( 'uiElement' ) ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/count\n */\n\n/**\n * Returns the number of items return by the iterator.\n *\n *\t\tcount( [ 1, 2, 3, 4, 5 ] ); // 5;\n *\n * @param {Iterable.<*>} iterator Any iterator.\n * @returns {Number} Number of items returned by that iterator.\n */\nexport default function count( iterator ) {\n\tlet count = 0;\n\n\tfor ( const _ of iterator ) { // eslint-disable-line no-unused-vars\n\t\tcount++;\n\t}\n\n\treturn count;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/selection\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Range from './range';\nimport Position from './position';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport Node from './node';\nimport count from '@ckeditor/ckeditor5-utils/src/count';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\nimport DocumentSelection from './documentselection';\n\n/**\n * Class representing an arbirtary selection in the view.\n * See also {@link module:engine/view/documentselection~DocumentSelection}.\n *\n * New selection instances can be created via the constructor or one these methods:\n *\n * * {@link module:engine/view/view~View#createSelection `View#createSelection()`},\n * * {@link module:engine/view/upcastwriter~UpcastWriter#createSelection `UpcastWriter#createSelection()`}.\n *\n * A selection can consist of {@link module:engine/view/range~Range ranges} that can be set by using\n * the {@link module:engine/view/selection~Selection#setTo `Selection#setTo()`} method.\n */\nexport default class Selection {\n\t/**\n\t * Creates new selection instance.\n\t *\n\t * **Note**: The selection constructor is available as a factory method:\n\t *\n\t * * {@link module:engine/view/view~View#createSelection `View#createSelection()`},\n\t * * {@link module:engine/view/upcastwriter~UpcastWriter#createSelection `UpcastWriter#createSelection()`}.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the document selection.\n\t *\t\tconst selection = writer.createSelection( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'paragraph' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s constructor allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = writer.createSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\tconstructor( selectable = null, placeOrOffset, options ) {\n\t\t/**\n\t\t * Stores all ranges that are selected.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array.<module:engine/view/range~Range>}\n\t\t */\n\t\tthis._ranges = [];\n\n\t\t/**\n\t\t * Specifies whether the last added range was added as a backward or forward range.\n\t\t *\n\t\t * @protected\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._lastRangeBackward = false;\n\n\t\t/**\n\t\t * Specifies whether selection instance is fake.\n\t\t *\n\t\t * @private\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._isFake = false;\n\n\t\t/**\n\t\t * Fake selection's label.\n\t\t *\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._fakeSelectionLabel = '';\n\n\t\tthis.setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Returns true if selection instance is marked as `fake`.\n\t *\n\t * @see #setTo\n\t * @type {Boolean}\n\t */\n\tget isFake() {\n\t\treturn this._isFake;\n\t}\n\n\t/**\n\t * Returns fake selection label.\n\t *\n\t * @see #setTo\n\t * @type {String}\n\t */\n\tget fakeSelectionLabel() {\n\t\treturn this._fakeSelectionLabel;\n\t}\n\n\t/**\n\t * Selection anchor. Anchor may be described as a position where the selection starts. Together with\n\t * {@link #focus focus} they define the direction of selection, which is important\n\t * when expanding/shrinking selection. Anchor is always the start or end of the most recent added range.\n\t * It may be a bit unintuitive when there are multiple ranges in selection.\n\t *\n\t * @see #focus\n\t * @type {module:engine/view/position~Position}\n\t */\n\tget anchor() {\n\t\tif ( !this._ranges.length ) {\n\t\t\treturn null;\n\t\t}\n\t\tconst range = this._ranges[ this._ranges.length - 1 ];\n\t\tconst anchor = this._lastRangeBackward ? range.end : range.start;\n\n\t\treturn anchor.clone();\n\t}\n\n\t/**\n\t * Selection focus. Focus is a position where the selection ends.\n\t *\n\t * @see #anchor\n\t * @type {module:engine/view/position~Position}\n\t */\n\tget focus() {\n\t\tif ( !this._ranges.length ) {\n\t\t\treturn null;\n\t\t}\n\t\tconst range = this._ranges[ this._ranges.length - 1 ];\n\t\tconst focus = this._lastRangeBackward ? range.start : range.end;\n\n\t\treturn focus.clone();\n\t}\n\n\t/**\n\t * Returns whether the selection is collapsed. Selection is collapsed when there is exactly one range which is\n\t * collapsed.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this.rangeCount === 1 && this._ranges[ 0 ].isCollapsed;\n\t}\n\n\t/**\n\t * Returns number of ranges in selection.\n\t *\n\t * @type {Number}\n\t */\n\tget rangeCount() {\n\t\treturn this._ranges.length;\n\t}\n\n\t/**\n\t * Specifies whether the {@link #focus} precedes {@link #anchor}.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isBackward() {\n\t\treturn !this.isCollapsed && this._lastRangeBackward;\n\t}\n\n\t/**\n\t * {@link module:engine/view/editableelement~EditableElement EditableElement} instance that contains this selection, or `null`\n\t * if the selection is not inside an editable element.\n\t *\n\t * @type {module:engine/view/editableelement~EditableElement|null}\n\t */\n\tget editableElement() {\n\t\tif ( this.anchor ) {\n\t\t\treturn this.anchor.editableElement;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns an iterable that contains copies of all ranges added to the selection.\n\t *\n\t * @returns {Iterable.<module:engine/view/range~Range>}\n\t */\n\t* getRanges() {\n\t\tfor ( const range of this._ranges ) {\n\t\t\tyield range.clone();\n\t\t}\n\t}\n\n\t/**\n\t * Returns copy of the first range in the selection. First range is the one which\n\t * {@link module:engine/view/range~Range#start start} position {@link module:engine/view/position~Position#isBefore is before} start\n\t * position of all other ranges (not to confuse with the first range added to the selection).\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/range~Range|null}\n\t */\n\tgetFirstRange() {\n\t\tlet first = null;\n\n\t\tfor ( const range of this._ranges ) {\n\t\t\tif ( !first || range.start.isBefore( first.start ) ) {\n\t\t\t\tfirst = range;\n\t\t\t}\n\t\t}\n\n\t\treturn first ? first.clone() : null;\n\t}\n\n\t/**\n\t * Returns copy of the last range in the selection. Last range is the one which {@link module:engine/view/range~Range#end end}\n\t * position {@link module:engine/view/position~Position#isAfter is after} end position of all other ranges (not to confuse\n\t * with the last range added to the selection). Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/range~Range|null}\n\t */\n\tgetLastRange() {\n\t\tlet last = null;\n\n\t\tfor ( const range of this._ranges ) {\n\t\t\tif ( !last || range.end.isAfter( last.end ) ) {\n\t\t\t\tlast = range;\n\t\t\t}\n\t\t}\n\n\t\treturn last ? last.clone() : null;\n\t}\n\n\t/**\n\t * Returns copy of the first position in the selection. First position is the position that\n\t * {@link module:engine/view/position~Position#isBefore is before} any other position in the selection ranges.\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/position~Position|null}\n\t */\n\tgetFirstPosition() {\n\t\tconst firstRange = this.getFirstRange();\n\n\t\treturn firstRange ? firstRange.start.clone() : null;\n\t}\n\n\t/**\n\t * Returns copy of the last position in the selection. Last position is the position that\n\t * {@link module:engine/view/position~Position#isAfter is after} any other position in the selection ranges.\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/position~Position|null}\n\t */\n\tgetLastPosition() {\n\t\tconst lastRange = this.getLastRange();\n\n\t\treturn lastRange ? lastRange.end.clone() : null;\n\t}\n\n\t/**\n\t * Checks whether, this selection is equal to given selection. Selections are equal if they have same directions,\n\t * same number of ranges and all ranges from one selection equal to a range from other selection.\n\t *\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are equal, `false` otherwise.\n\t */\n\tisEqual( otherSelection ) {\n\t\tif ( this.isFake != otherSelection.isFake ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( this.isFake && this.fakeSelectionLabel != otherSelection.fakeSelectionLabel ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( this.rangeCount != otherSelection.rangeCount ) {\n\t\t\treturn false;\n\t\t} else if ( this.rangeCount === 0 ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif ( !this.anchor.isEqual( otherSelection.anchor ) || !this.focus.isEqual( otherSelection.focus ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tfor ( const thisRange of this._ranges ) {\n\t\t\tlet found = false;\n\n\t\t\tfor ( const otherRange of otherSelection._ranges ) {\n\t\t\t\tif ( thisRange.isEqual( otherRange ) ) {\n\t\t\t\t\tfound = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( !found ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Checks whether this selection is similar to given selection. Selections are similar if they have same directions, same\n\t * number of ranges, and all {@link module:engine/view/range~Range#getTrimmed trimmed} ranges from one selection are\n\t * equal to any trimmed range from other selection.\n\t *\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are similar, `false` otherwise.\n\t */\n\tisSimilar( otherSelection ) {\n\t\tif ( this.isBackward != otherSelection.isBackward ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst numOfRangesA = count( this.getRanges() );\n\t\tconst numOfRangesB = count( otherSelection.getRanges() );\n\n\t\t// If selections have different number of ranges, they cannot be similar.\n\t\tif ( numOfRangesA != numOfRangesB ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// If both selections have no ranges, they are similar.\n\t\tif ( numOfRangesA == 0 ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Check if each range in one selection has a similar range in other selection.\n\t\tfor ( let rangeA of this.getRanges() ) {\n\t\t\trangeA = rangeA.getTrimmed();\n\n\t\t\tlet found = false;\n\n\t\t\tfor ( let rangeB of otherSelection.getRanges() ) {\n\t\t\t\trangeB = rangeB.getTrimmed();\n\n\t\t\t\tif ( rangeA.start.isEqual( rangeB.start ) && rangeA.end.isEqual( rangeB.end ) ) {\n\t\t\t\t\tfound = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// For `rangeA`, neither range in `otherSelection` was similar. So selections are not similar.\n\t\t\tif ( !found ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// There were no ranges that weren't matched. Selections are similar.\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns the selected element. {@link module:engine/view/element~Element Element} is considered as selected if there is only\n\t * one range in the selection, and that range contains exactly one element.\n\t * Returns `null` if there is no selected element.\n\t *\n\t * @returns {module:engine/view/element~Element|null}\n\t */\n\tgetSelectedElement() {\n\t\tif ( this.rangeCount !== 1 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.getFirstRange().getContainedElement();\n\t}\n\n\t/**\n\t * Sets this selection's ranges and direction to the specified location based on the given\n\t * {@link module:engine/view/selection~Selectable selectable}.\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tselection.setTo( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tselection.setTo( range );\n\t *\n\t *\t\t// Sets selection to the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tselection.setTo( otherSelection );\n\t *\n\t *\t \t// Sets selection to contents of DocumentSelection.\n\t *\t\tselection.setTo( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPositionAt( root, path );\n\t *\t\tselection.setTo( position );\n\t *\n\t * \t\t// Sets collapsed selection at the position of given item and offset.\n\t *\t\tselection.setTo( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t *\t\tselection.setTo( paragraph, 'in' );\n\t *\n\t * Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\tselection.setTo( paragraph, 'on' );\n\t *\n\t * \t\t// Clears selection. Removes all ranges.\n\t *\t\tselection.setTo( null );\n\t *\n\t * `Selection#setTo()` method allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Sets selection as backward.\n\t *\t\tselection.setTo( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tselection.setTo( range, { fake: true, label: 'foo' } );\n\t *\n\t * @fires change\n\t * @param {module:engine/view/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\tsetTo( selectable, placeOrOffset, options ) {\n\t\tif ( selectable === null ) {\n\t\t\tthis._setRanges( [] );\n\t\t\tthis._setFakeOptions( placeOrOffset );\n\t\t} else if ( selectable instanceof Selection || selectable instanceof DocumentSelection ) {\n\t\t\tthis._setRanges( selectable.getRanges(), selectable.isBackward );\n\t\t\tthis._setFakeOptions( { fake: selectable.isFake, label: selectable.fakeSelectionLabel } );\n\t\t} else if ( selectable instanceof Range ) {\n\t\t\tthis._setRanges( [ selectable ], placeOrOffset && placeOrOffset.backward );\n\t\t\tthis._setFakeOptions( placeOrOffset );\n\t\t} else if ( selectable instanceof Position ) {\n\t\t\tthis._setRanges( [ new Range( selectable ) ] );\n\t\t\tthis._setFakeOptions( placeOrOffset );\n\t\t} else if ( selectable instanceof Node ) {\n\t\t\tconst backward = !!options && !!options.backward;\n\t\t\tlet range;\n\n\t\t\tif ( placeOrOffset === undefined ) {\n\t\t\t\t/**\n\t\t\t\t * selection.setTo requires the second parameter when the first parameter is a node.\n\t\t\t\t *\n\t\t\t\t * @error view-selection-setto-required-second-parameter\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'view-selection-setto-required-second-parameter', this );\n\t\t\t} else if ( placeOrOffset == 'in' ) {\n\t\t\t\trange = Range._createIn( selectable );\n\t\t\t} else if ( placeOrOffset == 'on' ) {\n\t\t\t\trange = Range._createOn( selectable );\n\t\t\t} else {\n\t\t\t\trange = new Range( Position._createAt( selectable, placeOrOffset ) );\n\t\t\t}\n\n\t\t\tthis._setRanges( [ range ], backward );\n\t\t\tthis._setFakeOptions( options );\n\t\t} else if ( isIterable( selectable ) ) {\n\t\t\t// We assume that the selectable is an iterable of ranges.\n\t\t\t// Array.from() is used to prevent setting ranges to the old iterable\n\t\t\tthis._setRanges( selectable, placeOrOffset && placeOrOffset.backward );\n\t\t\tthis._setFakeOptions( placeOrOffset );\n\t\t} else {\n\t\t\t/**\n\t\t\t * Cannot set selection to given place.\n\t\t\t *\n\t\t\t * @error view-selection-setto-not-selectable\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-selection-setto-not-selectable', this );\n\t\t}\n\n\t\tthis.fire( 'change' );\n\t}\n\n\t/**\n\t * Moves {@link #focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as {@link module:engine/view/view~View#createPositionAt view.createPositionAt()}\n\t * parameters.\n\t *\n\t * @fires change\n\t * @param {module:engine/view/item~Item|module:engine/view/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tsetFocus( itemOrPosition, offset ) {\n\t\tif ( this.anchor === null ) {\n\t\t\t/**\n\t\t\t * Cannot set selection focus if there are no ranges in selection.\n\t\t\t *\n\t\t\t * @error view-selection-setfocus-no-ranges\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-selection-setfocus-no-ranges', this );\n\t\t}\n\n\t\tconst newFocus = Position._createAt( itemOrPosition, offset );\n\n\t\tif ( newFocus.compareWith( this.focus ) == 'same' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst anchor = this.anchor;\n\n\t\tthis._ranges.pop();\n\n\t\tif ( newFocus.compareWith( anchor ) == 'before' ) {\n\t\t\tthis._addRange( new Range( newFocus, anchor ), true );\n\t\t} else {\n\t\t\tthis._addRange( new Range( anchor, newFocus ) );\n\t\t}\n\n\t\tthis.fire( 'change' );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tselection.is( 'selection' ); // -> true\n\t *\t\tselection.is( 'view:selection' ); // -> true\n\t *\n\t *\t\tselection.is( 'model:selection' ); // -> false\n\t *\t\tselection.is( 'element' ); // -> false\n\t *\t\tselection.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'selection' || type === 'view:selection';\n\t}\n\n\t/**\n\t * Replaces all ranges that were added to the selection with given array of ranges. Last range of the array\n\t * is treated like the last added range and is used to set {@link #anchor anchor} and {@link #focus focus}.\n\t * Accepts a flag describing in which way the selection is made.\n\t *\n\t * @private\n\t * @param {Iterable.<module:engine/view/range~Range>} newRanges Iterable object of ranges to set.\n\t * @param {Boolean} [isLastBackward=false] Flag describing if last added range was selected forward - from start to end\n\t * (`false`) or backward - from end to start (`true`). Defaults to `false`.\n\t */\n\t_setRanges( newRanges, isLastBackward = false ) {\n\t\t// New ranges should be copied to prevent removing them by setting them to `[]` first.\n\t\t// Only applies to situations when selection is set to the same selection or same selection's ranges.\n\t\tnewRanges = Array.from( newRanges );\n\n\t\tthis._ranges = [];\n\n\t\tfor ( const range of newRanges ) {\n\t\t\tthis._addRange( range );\n\t\t}\n\n\t\tthis._lastRangeBackward = !!isLastBackward;\n\t}\n\n\t/**\n\t * Sets this selection instance to be marked as `fake`. A fake selection does not render as browser native selection\n\t * over selected elements and is hidden to the user. This way, no native selection UI artifacts are displayed to\n\t * the user and selection over elements can be represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM (and be\n\t * properly handled by screen readers).\n\t *\n\t * @private\n\t * @param {Object} [options] Options.\n\t * @param {Boolean} [options.fake] If set to true selection will be marked as `fake`.\n\t * @param {String} [options.label=''] Fake selection label.\n\t */\n\t_setFakeOptions( options = {} ) {\n\t\tthis._isFake = !!options.fake;\n\t\tthis._fakeSelectionLabel = options.fake ? options.label || '' : '';\n\t}\n\n\t/**\n\t * Adds a range to the selection. Added range is copied. This means that passed range is not saved in the\n\t * selection instance and you can safely operate on it.\n\t *\n\t * Accepts a flag describing in which way the selection is made - passed range might be selected from\n\t * {@link module:engine/view/range~Range#start start} to {@link module:engine/view/range~Range#end end}\n\t * or from {@link module:engine/view/range~Range#end end} to {@link module:engine/view/range~Range#start start}.\n\t * The flag is used to set {@link #anchor anchor} and {@link #focus focus} properties.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-selection-range-intersects` if added range intersects\n\t * with ranges already stored in Selection instance.\n\t *\n\t * @private\n\t * @fires change\n\t * @param {module:engine/view/range~Range} range\n\t * @param {Boolean} [isBackward]\n\t */\n\t_addRange( range, isBackward = false ) {\n\t\tif ( !( range instanceof Range ) ) {\n\t\t\t/**\n\t\t\t * Selection range set to an object that is not an instance of {@link module:engine/view/range~Range}.\n\t\t\t *\n\t\t\t * @error view-selection-add-range-not-range\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-selection-add-range-not-range',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tthis._pushRange( range );\n\t\tthis._lastRangeBackward = !!isBackward;\n\t}\n\n\t/**\n\t * Adds range to selection - creates copy of given range so it can be safely used and modified.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-selection-range-intersects` if added range intersects\n\t * with ranges already stored in selection instance.\n\t *\n\t * @private\n\t * @param {module:engine/view/range~Range} range\n\t */\n\t_pushRange( range ) {\n\t\tfor ( const storedRange of this._ranges ) {\n\t\t\tif ( range.isIntersecting( storedRange ) ) {\n\t\t\t\t/**\n\t\t\t\t * Trying to add a range that intersects with another range from selection.\n\t\t\t\t *\n\t\t\t\t * @error view-selection-range-intersects\n\t\t\t\t * @param {module:engine/view/range~Range} addedRange Range that was added to the selection.\n\t\t\t\t * @param {module:engine/view/range~Range} intersectingRange Range from selection that intersects with `addedRange`.\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'view-selection-range-intersects',\n\t\t\t\t\tthis,\n\t\t\t\t\t{ addedRange: range, intersectingRange: storedRange }\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\n\t\tthis._ranges.push( new Range( range.start, range.end ) );\n\t}\n\n\t/**\n\t * Fired whenever selection ranges are changed through {@link ~Selection Selection API}.\n\t *\n\t * @event change\n\t */\n}\n\nmix( Selection, EmitterMixin );\n\n/**\n * An entity that is used to set selection.\n *\n * See also {@link module:engine/view/selection~Selection#setTo}\n *\n * @typedef {\n *    module:engine/view/selection~Selection|\n *    module:engine/view/documentselection~DocumentSelection|\n *    module:engine/view/position~Position|\n *    Iterable.<module:engine/view/range~Range>|\n *    module:engine/view/range~Range|\n *    module:engine/view/item~Item|\n *    null\n * } module:engine/view/selection~Selectable\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/documentselection\n */\n\nimport Selection from './selection';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\n\n/**\n * Class representing the document selection in the view.\n *\n * Its instance is available in {@link module:engine/view/document~Document#selection `Document#selection`}.\n *\n * It is similar to {@link module:engine/view/selection~Selection} but\n * it has a read-only API and can be modified only by the writer available in\n * the {@link module:engine/view/view~View#change `View#change()`} block\n * (so via {@link module:engine/view/downcastwriter~DowncastWriter#setSelection `DowncastWriter#setSelection()`}).\n */\nexport default class DocumentSelection {\n\t/**\n\t * Creates new DocumentSelection instance.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = new DocumentSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = new DocumentSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( start2, end2 ) ];\n\t *\t\tconst selection = new DocumentSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = new DocumentSelection( otherSelection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionAt( root, offset );\n\t *\t\tconst selection = new DocumentSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'paragraph' );\n\t *\t\tconst selection = new DocumentSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = new DocumentSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = new DocumentSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s constructor allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = new DocumentSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = new DocumentSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\tconstructor( selectable = null, placeOrOffset, options ) {\n\t\t/**\n\t\t * Selection is used internally (`DocumentSelection` is a proxy to that selection).\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/view/selection~Selection}\n\t\t */\n\t\tthis._selection = new Selection();\n\n\t\t// Delegate change event to be fired on DocumentSelection instance.\n\t\tthis._selection.delegate( 'change' ).to( this );\n\n\t\t// Set selection data.\n\t\tthis._selection.setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Returns true if selection instance is marked as `fake`.\n\t *\n\t * @see #_setTo\n\t * @type {Boolean}\n\t */\n\tget isFake() {\n\t\treturn this._selection.isFake;\n\t}\n\n\t/**\n\t * Returns fake selection label.\n\t *\n\t * @see #_setTo\n\t * @type {String}\n\t */\n\tget fakeSelectionLabel() {\n\t\treturn this._selection.fakeSelectionLabel;\n\t}\n\n\t/**\n\t * Selection anchor. Anchor may be described as a position where the selection starts. Together with\n\t * {@link #focus focus} they define the direction of selection, which is important\n\t * when expanding/shrinking selection. Anchor is always the start or end of the most recent added range.\n\t * It may be a bit unintuitive when there are multiple ranges in selection.\n\t *\n\t * @see #focus\n\t * @type {module:engine/view/position~Position}\n\t */\n\tget anchor() {\n\t\treturn this._selection.anchor;\n\t}\n\n\t/**\n\t * Selection focus. Focus is a position where the selection ends.\n\t *\n\t * @see #anchor\n\t * @type {module:engine/view/position~Position}\n\t */\n\tget focus() {\n\t\treturn this._selection.focus;\n\t}\n\n\t/**\n\t * Returns whether the selection is collapsed. Selection is collapsed when there is exactly one range which is\n\t * collapsed.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this._selection.isCollapsed;\n\t}\n\n\t/**\n\t * Returns number of ranges in selection.\n\t *\n\t * @type {Number}\n\t */\n\tget rangeCount() {\n\t\treturn this._selection.rangeCount;\n\t}\n\n\t/**\n\t * Specifies whether the {@link #focus} precedes {@link #anchor}.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isBackward() {\n\t\treturn this._selection.isBackward;\n\t}\n\n\t/**\n\t * {@link module:engine/view/editableelement~EditableElement EditableElement} instance that contains this selection, or `null`\n\t * if the selection is not inside an editable element.\n\t *\n\t * @type {module:engine/view/editableelement~EditableElement|null}\n\t */\n\tget editableElement() {\n\t\treturn this._selection.editableElement;\n\t}\n\n\t/**\n\t * Used for the compatibility with the {@link module:engine/view/selection~Selection#isEqual} method.\n\t *\n\t * @protected\n\t */\n\tget _ranges() {\n\t\treturn this._selection._ranges;\n\t}\n\n\t/**\n\t * Returns an iterable that contains copies of all ranges added to the selection.\n\t *\n\t * @returns {Iterable.<module:engine/view/range~Range>}\n\t */\n\t* getRanges() {\n\t\tyield* this._selection.getRanges();\n\t}\n\n\t/**\n\t * Returns copy of the first range in the selection. First range is the one which\n\t * {@link module:engine/view/range~Range#start start} position {@link module:engine/view/position~Position#isBefore is before} start\n\t * position of all other ranges (not to confuse with the first range added to the selection).\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/range~Range|null}\n\t */\n\tgetFirstRange() {\n\t\treturn this._selection.getFirstRange();\n\t}\n\n\t/**\n\t * Returns copy of the last range in the selection. Last range is the one which {@link module:engine/view/range~Range#end end}\n\t * position {@link module:engine/view/position~Position#isAfter is after} end position of all other ranges (not to confuse\n\t * with the last range added to the selection). Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/range~Range|null}\n\t */\n\tgetLastRange() {\n\t\treturn this._selection.getLastRange();\n\t}\n\n\t/**\n\t * Returns copy of the first position in the selection. First position is the position that\n\t * {@link module:engine/view/position~Position#isBefore is before} any other position in the selection ranges.\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/position~Position|null}\n\t */\n\tgetFirstPosition() {\n\t\treturn this._selection.getFirstPosition();\n\t}\n\n\t/**\n\t * Returns copy of the last position in the selection. Last position is the position that\n\t * {@link module:engine/view/position~Position#isAfter is after} any other position in the selection ranges.\n\t * Returns `null` if no ranges are added to selection.\n\t *\n\t * @returns {module:engine/view/position~Position|null}\n\t */\n\tgetLastPosition() {\n\t\treturn this._selection.getLastPosition();\n\t}\n\n\t/**\n\t * Returns the selected element. {@link module:engine/view/element~Element Element} is considered as selected if there is only\n\t * one range in the selection, and that range contains exactly one element.\n\t * Returns `null` if there is no selected element.\n\t *\n\t * @returns {module:engine/view/element~Element|null}\n\t */\n\tgetSelectedElement() {\n\t\treturn this._selection.getSelectedElement();\n\t}\n\n\t/**\n\t * Checks whether, this selection is equal to given selection. Selections are equal if they have same directions,\n\t * same number of ranges and all ranges from one selection equal to a range from other selection.\n\t *\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are equal, `false` otherwise.\n\t */\n\tisEqual( otherSelection ) {\n\t\treturn this._selection.isEqual( otherSelection );\n\t}\n\n\t/**\n\t * Checks whether this selection is similar to given selection. Selections are similar if they have same directions, same\n\t * number of ranges, and all {@link module:engine/view/range~Range#getTrimmed trimmed} ranges from one selection are\n\t * equal to any trimmed range from other selection.\n\t *\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are similar, `false` otherwise.\n\t */\n\tisSimilar( otherSelection ) {\n\t\treturn this._selection.isSimilar( otherSelection );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tdocSelection.is( 'selection' ); // -> true\n\t *\t\tdocSelection.is( 'documentSelection' ); // -> true\n\t *\t\tdocSelection.is( 'view:selection' ); // -> true\n\t *\t\tdocSelection.is( 'view:documentSelection' ); // -> true\n\t *\n\t *\t\tdocSelection.is( 'model:documentSelection' ); // -> false\n\t *\t\tdocSelection.is( 'element' ); // -> false\n\t *\t\tdocSelection.is( 'node' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'selection' ||\n\t\t\ttype == 'documentSelection' ||\n\t\t\ttype == 'view:selection' ||\n\t\t\ttype == 'view:documentSelection';\n\t}\n\n\t/**\n\t * Sets this selection's ranges and direction to the specified location based on the given\n\t * {@link module:engine/view/selection~Selectable selectable}.\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tdocumentSelection._setTo( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( start2, end2 ) ];\n\t *\t\tdocumentSelection._setTo( range );\n\t *\n\t *\t\t// Sets selection to the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tdocumentSelection._setTo( otherSelection );\n\t *\n\t * \t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPositionAt( root, offset );\n\t *\t\tdocumentSelection._setTo( position );\n\t *\n\t * \t\t// Sets collapsed selection at the position of given item and offset.\n\t *\t\tdocumentSelection._setTo( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t *\t\tdocumentSelection._setTo( paragraph, 'in' );\n\t *\n\t * Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\tdocumentSelection._setTo( paragraph, 'on' );\n\t *\n\t * \t\t// Clears selection. Removes all ranges.\n\t *\t\tdocumentSelection._setTo( null );\n\t *\n\t * `Selection#_setTo()` method allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Sets selection as backward.\n\t *\t\tdocumentSelection._setTo( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to des cribe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tdocumentSelection._setTo( range, { fake: true, label: 'foo' } );\n\t *\n\t * @protected\n\t * @fires change\n\t * @param {module:engine/view/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\t_setTo( selectable, placeOrOffset, options ) {\n\t\tthis._selection.setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Moves {@link #focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as {@link module:engine/view/view~View#createPositionAt view.createPositionAt()}\n\t * parameters.\n\t *\n\t * @protected\n\t * @fires change\n\t * @param {module:engine/view/item~Item|module:engine/view/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\t_setFocus( itemOrPosition, offset ) {\n\t\tthis._selection.setFocus( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Fired whenever selection ranges are changed through {@link ~DocumentSelection Selection API}.\n\t *\n\t * @event change\n\t */\n}\n\nmix( DocumentSelection, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/bubblingeventinfo\n */\n\nimport EventInfo from '@ckeditor/ckeditor5-utils/src/eventinfo';\n\n/**\n * The event object passed to bubbling event callbacks. It is used to provide information about the event as well as a tool to\n * manipulate it.\n *\n * @extends module:utils/eventinfo~EventInfo\n */\nexport default class BubblingEventInfo extends EventInfo {\n\t/**\n\t * @param {Object} source The emitter.\n\t * @param {String} name The event name.\n\t * @param {module:engine/view/range~Range} startRange The view range that the bubbling should start from.\n\t */\n\tconstructor( source, name, startRange ) {\n\t\tsuper( source, name );\n\n\t\t/**\n\t\t * The view range that the bubbling should start from.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/range~Range}\n\t\t */\n\t\tthis.startRange = startRange;\n\n\t\t/**\n\t\t * The current event phase.\n\t\t *\n\t\t * @protected\n\t\t * @member {'none'|'capturing'|'atTarget'|'bubbling'}\n\t\t */\n\t\tthis._eventPhase = 'none';\n\n\t\t/**\n\t\t * The current bubbling target.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/view/document~Document|module:engine/view/node~Node|null}\n\t\t */\n\t\tthis._currentTarget = null;\n\t}\n\n\t/**\n\t * The current event phase.\n\t *\n\t * @readonly\n\t * @member {'none'|'capturing'|'atTarget'|'bubbling'}\n\t */\n\tget eventPhase() {\n\t\treturn this._eventPhase;\n\t}\n\n\t/**\n\t * The current bubbling target.\n\t *\n\t * @readonly\n\t * @member {module:engine/view/document~Document|module:engine/view/node~Node|null}\n\t */\n\tget currentTarget() {\n\t\treturn this._currentTarget;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/bubblingemittermixin\n */\n\nimport EventInfo from '@ckeditor/ckeditor5-utils/src/eventinfo';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\nimport BubblingEventInfo from './bubblingeventinfo';\n\nconst contextsSymbol = Symbol( 'bubbling contexts' );\n\n/**\n * Bubbling emitter mixin for the view document as described in the\n * {@link ~BubblingEmitter} interface.\n *\n * @mixin BubblingEmitterMixin\n * @implements module:engine/view/observer/bubblingemittermixin~BubblingEmitter\n */\nconst BubblingEmitterMixin = {\n\t/**\n\t * @inheritDoc\n\t */\n\tfire( eventOrInfo, ...eventArgs ) {\n\t\ttry {\n\t\t\tconst eventInfo = eventOrInfo instanceof EventInfo ? eventOrInfo : new EventInfo( this, eventOrInfo );\n\t\t\tconst eventContexts = getBubblingContexts( this );\n\n\t\t\tif ( !eventContexts.size ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tupdateEventInfo( eventInfo, 'capturing', this );\n\n\t\t\t// The capture phase of the event.\n\t\t\tif ( fireListenerFor( eventContexts, '$capture', eventInfo, ...eventArgs ) ) {\n\t\t\t\treturn eventInfo.return;\n\t\t\t}\n\n\t\t\tconst startRange = eventInfo.startRange || this.selection.getFirstRange();\n\t\t\tconst selectedElement = startRange ? startRange.getContainedElement() : null;\n\t\t\tconst isCustomContext = selectedElement ? Boolean( getCustomContext( eventContexts, selectedElement ) ) : false;\n\n\t\t\tlet node = selectedElement || getDeeperRangeParent( startRange );\n\n\t\t\tupdateEventInfo( eventInfo, 'atTarget', node );\n\n\t\t\t// For the not yet bubbling event trigger for $text node if selection can be there and it's not a custom context selected.\n\t\t\tif ( !isCustomContext ) {\n\t\t\t\tif ( fireListenerFor( eventContexts, '$text', eventInfo, ...eventArgs ) ) {\n\t\t\t\t\treturn eventInfo.return;\n\t\t\t\t}\n\n\t\t\t\tupdateEventInfo( eventInfo, 'bubbling', node );\n\t\t\t}\n\n\t\t\twhile ( node ) {\n\t\t\t\t// Root node handling.\n\t\t\t\tif ( node.is( 'rootElement' ) ) {\n\t\t\t\t\tif ( fireListenerFor( eventContexts, '$root', eventInfo, ...eventArgs ) ) {\n\t\t\t\t\t\treturn eventInfo.return;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Element node handling.\n\t\t\t\telse if ( node.is( 'element' ) ) {\n\t\t\t\t\tif ( fireListenerFor( eventContexts, node.name, eventInfo, ...eventArgs ) ) {\n\t\t\t\t\t\treturn eventInfo.return;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Check custom contexts (i.e., a widget).\n\t\t\t\tif ( fireListenerFor( eventContexts, node, eventInfo, ...eventArgs ) ) {\n\t\t\t\t\treturn eventInfo.return;\n\t\t\t\t}\n\n\t\t\t\tnode = node.parent;\n\n\t\t\t\tupdateEventInfo( eventInfo, 'bubbling', node );\n\t\t\t}\n\n\t\t\tupdateEventInfo( eventInfo, 'bubbling', this );\n\n\t\t\t// Document context.\n\t\t\tfireListenerFor( eventContexts, '$document', eventInfo, ...eventArgs );\n\n\t\t\treturn eventInfo.return;\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_addEventListener( event, callback, options ) {\n\t\tconst contexts = toArray( options.context || '$document' );\n\t\tconst eventContexts = getBubblingContexts( this );\n\n\t\tfor ( const context of contexts ) {\n\t\t\tlet emitter = eventContexts.get( context );\n\n\t\t\tif ( !emitter ) {\n\t\t\t\temitter = Object.create( EmitterMixin );\n\t\t\t\teventContexts.set( context, emitter );\n\t\t\t}\n\n\t\t\tthis.listenTo( emitter, event, callback, options );\n\t\t}\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_removeEventListener( event, callback ) {\n\t\tconst eventContexts = getBubblingContexts( this );\n\n\t\tfor ( const emitter of eventContexts.values() ) {\n\t\t\tthis.stopListening( emitter, event, callback );\n\t\t}\n\t}\n};\n\nexport default BubblingEmitterMixin;\n\n// Update the event info bubbling fields.\n//\n// @param {module:utils/eventinfo~EventInfo} eventInfo The event info object to update.\n// @param {'none'|'capturing'|'atTarget'|'bubbling'} eventPhase The current event phase.\n// @param {module:engine/view/document~Document|module:engine/view/node~Node} currentTarget The current bubbling target.\nfunction updateEventInfo( eventInfo, eventPhase, currentTarget ) {\n\tif ( eventInfo instanceof BubblingEventInfo ) {\n\t\teventInfo._eventPhase = eventPhase;\n\t\teventInfo._currentTarget = currentTarget;\n\t}\n}\n\n// Fires the listener for the specified context. Returns `true` if event was stopped.\n//\n// @private\n// @param {Map.<String|Function, module:utils/emittermixin~Emitter>} eventContexts\n// @param {String|module:engine/view/node~Node} context\n// @param {module:utils/eventinfo~EventInfo} eventInfo The `EventInfo` object.\n// @param {...*} [eventArgs] Additional arguments to be passed to the callbacks.\n// @returns {Boolean} True if event stop was called.\nfunction fireListenerFor( eventContexts, context, eventInfo, ...eventArgs ) {\n\tconst emitter = typeof context == 'string' ? eventContexts.get( context ) : getCustomContext( eventContexts, context );\n\n\tif ( !emitter ) {\n\t\treturn false;\n\t}\n\n\temitter.fire( eventInfo, ...eventArgs );\n\n\treturn eventInfo.stop.called;\n}\n\n// Returns an emitter for a specified view node.\n//\n// @private\n// @param {Map.<String|Function, module:utils/emittermixin~Emitter>} eventContexts\n// @param {module:engine/view/node~Node} node\n// @returns {module:utils/emittermixin~Emitter|null}\nfunction getCustomContext( eventContexts, node ) {\n\tfor ( const [ context, emitter ] of eventContexts ) {\n\t\tif ( typeof context == 'function' && context( node ) ) {\n\t\t\treturn emitter;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n// Returns bubbling contexts map for the source (emitter).\nfunction getBubblingContexts( source ) {\n\tif ( !source[ contextsSymbol ] ) {\n\t\tsource[ contextsSymbol ] = new Map();\n\t}\n\n\treturn source[ contextsSymbol ];\n}\n\n// Returns the deeper parent element for the range.\nfunction getDeeperRangeParent( range ) {\n\tif ( !range ) {\n\t\treturn null;\n\t}\n\n\tconst startParent = range.start.parent;\n\tconst endParent = range.end.parent;\n\n\tconst startPath = startParent.getPath();\n\tconst endPath = endParent.getPath();\n\n\treturn startPath.length > endPath.length ? startParent : endParent;\n}\n\n/**\n * Bubbling emitter for the view document.\n *\n * Bubbling emitter is triggering events in the context of specified {@link module:engine/view/element~Element view element} name,\n * predefined `'$text'`, `'$root'`, `'$document'` and `'$capture'` contexts, and context matchers provided as a function.\n *\n * Before bubbling starts, listeners for `'$capture'` context are triggered. Then the bubbling starts from the deeper selection\n * position (by firing event on the `'$text'` context) and propagates the view document tree up to the `'$root'` and finally\n * the listeners at `'$document'` context are fired (this is the default context).\n *\n * Examples:\n *\n *\t\t// Listeners registered in the context of the view element names:\n *\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n *\t\t\t// ...\n *\t\t}, { context: 'blockquote' } );\n *\n *\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n *\t\t\t// ...\n *\t\t}, { context: 'li' } );\n *\n *\t\t// Listeners registered in the context of the '$text' and '$root' nodes.\n *\t\tthis.listenTo( view.document, 'arrowKey', ( evt, data ) => {\n *\t\t\t// ...\n *\t\t}, { context: '$text', priority: 'high' } );\n *\n *\t\tthis.listenTo( view.document, 'arrowKey', ( evt, data ) => {\n *\t\t\t// ...\n *\t\t}, { context: '$root' } );\n *\n *\t\t// Listeners registered in the context of custom callback function.\n *\t\tthis.listenTo( view.document, 'arrowKey', ( evt, data ) => {\n *\t\t\t// ...\n *\t\t}, { context: isWidget } );\n *\n *\t\tthis.listenTo( view.document, 'arrowKey', ( evt, data ) => {\n *\t\t\t// ...\n *\t\t}, { context: isWidget, priority: 'high' } );\n *\n * Example flow for selection in text:\n *\n *\t\t<blockquote><p>Foo[]bar</p></blockquote>\n *\n * Fired events on contexts:\n * 1. `'$capture'`\n * 2. `'$text'`\n * 3. `'p'`\n * 4. `'blockquote'`\n * 5. `'$root'`\n * 6. `'$document'`\n *\n * Example flow for selection on element (i.e., Widget):\n *\n *\t\t<blockquote><p>Foo[<widget/>]bar</p></blockquote>\n *\n * Fired events on contexts:\n * 1. `'$capture'`\n * 2. *widget* (custom matcher)\n * 3. `'p'`\n * 4. `'blockquote'`\n * 5. `'$root'`\n * 6. `'$document'`\n *\n * There could be multiple listeners registered for the same context and at different priority levels:\n *\n *\t\t<p>Foo[]bar</p>\n *\n * 1. `'$capture'` at priorities:\n *    1. `'highest'`\n *    2. `'high'`\n *    3. `'normal'`\n *    4. `'low'`\n *    5. `'lowest'`\n * 2. `'$text'` at priorities:\n *    1. `'highest'`\n *    2. `'high'`\n *    3. `'normal'`\n *    4. `'low'`\n *    5. `'lowest'`\n * 3. `'p'` at priorities:\n *    1. `'highest'`\n *    2. `'high'`\n *    3. `'normal'`\n *    4. `'low'`\n *    5. `'lowest'`\n * 4. `'$root'` at priorities:\n *    1. `'highest'`\n *    2. `'high'`\n *    3. `'normal'`\n *    4. `'low'`\n *    5. `'lowest'`\n * 5. `'$document'` at priorities:\n *    1. `'highest'`\n *    2. `'high'`\n *    3. `'normal'`\n *    4. `'low'`\n *    5. `'lowest'`\n *\n * @interface BubblingEmitter\n * @extends module:utils/emittermixin~Emitter\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/document\n */\n\nimport DocumentSelection from './documentselection';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport BubblingEmitterMixin from './observer/bubblingemittermixin';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\n\n// @if CK_DEBUG_ENGINE // const { logDocument } = require( '../dev-utils/utils' );\n\n/**\n * Document class creates an abstract layer over the content editable area, contains a tree of view elements and\n * {@link module:engine/view/documentselection~DocumentSelection view selection} associated with this document.\n *\n * @mixes module:engine/view/observer/bubblingemittermixin~BubblingEmitterMixin\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Document {\n\t/**\n\t * Creates a Document instance.\n\t *\n\t * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor The styles processor instance.\n\t */\n\tconstructor( stylesProcessor ) {\n\t\t/**\n\t\t * Selection done on this document.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/documentselection~DocumentSelection} module:engine/view/document~Document#selection\n\t\t */\n\t\tthis.selection = new DocumentSelection();\n\n\t\t/**\n\t\t * Roots of the view tree. Collection of the {@link module:engine/view/element~Element view elements}.\n\t\t *\n\t\t * View roots are created as a result of binding between {@link module:engine/view/document~Document#roots} and\n\t\t * {@link module:engine/model/document~Document#roots} and this is handled by\n\t\t * {@link module:engine/controller/editingcontroller~EditingController}, so to create view root we need to create\n\t\t * model root using {@link module:engine/model/document~Document#createRoot}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/collection~Collection} module:engine/view/document~Document#roots\n\t\t */\n\t\tthis.roots = new Collection( { idProperty: 'rootName' } );\n\n\t\t/**\n\t\t * The styles processor instance used by this document when normalizing styles.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/stylesmap~StylesProcessor}\n\t\t */\n\t\tthis.stylesProcessor = stylesProcessor;\n\n\t\t/**\n\t\t * Defines whether document is in read-only mode.\n\t\t *\n\t\t * When document is read-ony then all roots are read-only as well and caret placed inside this root is hidden.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isReadOnly\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * True if document is focused.\n\t\t *\n\t\t * This property is updated by the {@link module:engine/view/observer/focusobserver~FocusObserver}.\n\t\t * If the {@link module:engine/view/observer/focusobserver~FocusObserver} is disabled this property will not change.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/document~Document#isFocused\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * `true` while the user is making a selection in the document (e.g. holding the mouse button and moving the cursor).\n\t\t * When they stop selecting, the property goes back to `false`.\n\t\t *\n\t\t * This property is updated by the {@link module:engine/view/observer/selectionobserver~SelectionObserver}.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/document~Document#isSelecting\n\t\t */\n\t\tthis.set( 'isSelecting', false );\n\n\t\t/**\n\t\t * True if composition is in progress inside the document.\n\t\t *\n\t\t * This property is updated by the {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n\t\t * If the {@link module:engine/view/observer/compositionobserver~CompositionObserver} is disabled this property will not change.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} module:engine/view/document~Document#isComposing\n\t\t */\n\t\tthis.set( 'isComposing', false );\n\n\t\t/**\n\t\t * Post-fixer callbacks registered to the view document.\n\t\t *\n\t\t * @private\n\t\t * @member {Set}\n\t\t */\n\t\tthis._postFixers = new Set();\n\t}\n\n\t/**\n\t * Gets a {@link module:engine/view/document~Document#roots view root element} with the specified name. If the name is not\n\t * specific \"main\" root is returned.\n\t *\n\t * @param {String} [name='main'] Name of the root.\n\t * @returns {module:engine/view/rooteditableelement~RootEditableElement|null} The view root element with the specified name\n\t * or null when there is no root of given name.\n\t */\n\tgetRoot( name = 'main' ) {\n\t\treturn this.roots.get( name );\n\t}\n\n\t/**\n\t * Allows registering post-fixer callbacks. A post-fixers mechanism allows to update the view tree just before it is rendered\n\t * to the DOM.\n\t *\n\t * Post-fixers are executed right after all changes from the outermost change block were applied but\n\t * before the {@link module:engine/view/view~View#event:render render event} is fired. If a post-fixer callback made\n\t * a change, it should return `true`. When this happens, all post-fixers are fired again to check if something else should\n\t * not be fixed in the new document tree state.\n\t *\n\t * View post-fixers are useful when you want to apply some fixes whenever the view structure changes. Keep in mind that\n\t * changes executed in a view post-fixer should not break model-view mapping.\n\t *\n\t * The types of changes which should be safe:\n\t *\n\t * * adding or removing attribute from elements,\n\t * * changes inside of {@link module:engine/view/uielement~UIElement UI elements},\n\t * * {@link module:engine/model/differ~Differ#refreshItem marking some of the model elements to be re-converted}.\n\t *\n\t * Try to avoid changes which touch view structure:\n\t *\n\t * * you should not add or remove nor wrap or unwrap any view elements,\n\t * * you should not change the editor data model in a view post-fixer.\n\t *\n\t * As a parameter, a post-fixer callback receives a {@link module:engine/view/downcastwriter~DowncastWriter downcast writer}.\n\t *\n\t * Typically, a post-fixer will look like this:\n\t *\n\t *\t\teditor.editing.view.document.registerPostFixer( writer => {\n\t *\t\t\tif ( checkSomeCondition() ) {\n\t *\t\t\t\twriter.doSomething();\n\t *\n\t *\t\t\t\t// Let other post-fixers know that something changed.\n\t *\t\t\t\treturn true;\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Note that nothing happens right after you register a post-fixer (e.g. execute such a code in the console).\n\t * That is because adding a post-fixer does not execute it.\n\t * The post-fixer will be executed as soon as any change in the document needs to cause its rendering.\n\t * If you want to re-render the editor's view after registering the post-fixer then you should do it manually by calling\n\t * {@link module:engine/view/view~View#forceRender `view.forceRender()`}.\n\t *\n\t * If you need to register a callback which is executed when DOM elements are already updated,\n\t * use {@link module:engine/view/view~View#event:render render event}.\n\t *\n\t * @param {Function} postFixer\n\t */\n\tregisterPostFixer( postFixer ) {\n\t\tthis._postFixers.add( postFixer );\n\t}\n\n\t/**\n\t * Destroys this instance. Makes sure that all observers are destroyed and listeners removed.\n\t */\n\tdestroy() {\n\t\tthis.roots.map( root => root.destroy() );\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Performs post-fixer loops. Executes post-fixer callbacks as long as none of them has done any changes to the model.\n\t *\n\t * @protected\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n\t */\n\t_callPostFixers( writer ) {\n\t\tlet wasFixed = false;\n\n\t\tdo {\n\t\t\tfor ( const callback of this._postFixers ) {\n\t\t\t\twasFixed = callback( writer );\n\n\t\t\t\tif ( wasFixed ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} while ( wasFixed );\n\t}\n\n\t/**\n\t * Event fired whenever document content layout changes. It is fired whenever content is\n\t * {@link module:engine/view/view~View#event:render rendered}, but should be also fired by observers in case of\n\t * other actions which may change layout, for instance when image loads.\n\t *\n\t * @event layoutChanged\n\t */\n\n\t// @if CK_DEBUG_ENGINE // log( version ) {\n\t// @if CK_DEBUG_ENGINE //\tlogDocument( this, version );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\nmix( Document, BubblingEmitterMixin );\nmix( Document, ObservableMixin );\n\n/**\n * Enum representing type of the change.\n *\n * Possible values:\n *\n * * `children` - for child list changes,\n * * `attributes` - for element attributes changes,\n * * `text` - for text nodes changes.\n *\n * @typedef {String} module:engine/view/document~ChangeType\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/attributeelement\n */\n\nimport Element from './element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// Default attribute priority.\nconst DEFAULT_PRIORITY = 10;\n\n/**\n * Attribute elements are used to represent formatting elements in the view (think – `<b>`, `<span style=\"font-size: 2em\">`, etc.).\n * Most often they are created when downcasting model text attributes.\n *\n * Editing engine does not define a fixed HTML DTD. This is why a feature developer needs to choose between various\n * types (container element, {@link module:engine/view/attributeelement~AttributeElement attribute element},\n * {@link module:engine/view/emptyelement~EmptyElement empty element}, etc) when developing a feature.\n *\n * To create a new attribute element instance use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createAttributeElement `DowncastWriter#createAttributeElement()`} method.\n *\n * **Note:** Attribute elements by default can wrap {@link module:engine/view/text~Text},\n * {@link module:engine/view/emptyelement~EmptyElement}, {@link module:engine/view/uielement~UIElement},\n * {@link module:engine/view/rawelement~RawElement} and other attribute elements with higher priority. Other elements while placed inside\n * an attribute element will split it (or nest in case of an `AttributeElement`). This behavior can be modified by changing\n * the `isAllowedInsideAttributeElement` option while creating\n * {@link module:engine/view/downcastwriter~DowncastWriter#createContainerElement},\n * {@link module:engine/view/downcastwriter~DowncastWriter#createEmptyElement},\n * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement} or\n * {@link module:engine/view/downcastwriter~DowncastWriter#createRawElement}.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class AttributeElement extends Element {\n\t/**\n\t * Creates an attribute element.\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createAttributeElement\n\t * @see module:engine/view/element~Element\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t/**\n\t\t * Returns block {@link module:engine/view/filler filler} offset or `null` if block filler is not needed.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {Number|null} Block filler offset or `null` if block filler is not needed.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\n\t\t/**\n\t\t * Element priority. Decides in what order elements are wrapped by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t\t *\n\t\t * @protected\n\t\t * @member {Number}\n\t\t */\n\t\tthis._priority = DEFAULT_PRIORITY;\n\n\t\t/**\n\t\t * Element identifier. If set, it is used by {@link module:engine/view/element~Element#isSimilar},\n\t\t * and then two elements are considered similar if, and only if they have the same `_id`.\n\t\t *\n\t\t * @protected\n\t\t * @member {String|Number}\n\t\t */\n\t\tthis._id = null;\n\n\t\t/**\n\t\t * Keeps all the attribute elements that have the same {@link module:engine/view/attributeelement~AttributeElement#id ids}\n\t\t * and still exist in the view tree.\n\t\t *\n\t\t * This property is managed by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t\t *\n\t\t * @protected\n\t\t * @member {Set.<module:engine/view/attributeelement~AttributeElement>|null}\n\t\t */\n\t\tthis._clonesGroup = null;\n\t}\n\n\t/**\n\t * Element priority. Decides in what order elements are wrapped by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget priority() {\n\t\treturn this._priority;\n\t}\n\n\t/**\n\t * Element identifier. If set, it is used by {@link module:engine/view/element~Element#isSimilar},\n\t * and then two elements are considered similar if, and only if they have the same `id`.\n\t *\n\t * @readonly\n\t * @type {String|Number}\n\t */\n\tget id() {\n\t\treturn this._id;\n\t}\n\n\t/**\n\t * Returns all {@link module:engine/view/attributeelement~AttributeElement attribute elements} that has the\n\t * same {@link module:engine/view/attributeelement~AttributeElement#id id} and are in the view tree (were not removed).\n\t *\n\t * Note: If this element has been removed from the tree, returned set will not include it.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError attribute-element-get-elements-with-same-id-no-id}\n\t * if this element has no `id`.\n\t *\n\t * @returns {Set.<module:engine/view/attributeelement~AttributeElement>} Set containing all the attribute elements\n\t * with the same `id` that were added and not removed from the view tree.\n\t */\n\tgetElementsWithSameId() {\n\t\tif ( this.id === null ) {\n\t\t\t/**\n\t\t\t * Cannot get elements with the same id for an attribute element without id.\n\t\t\t *\n\t\t\t * @error attribute-element-get-elements-with-same-id-no-id\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'attribute-element-get-elements-with-same-id-no-id',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\treturn new Set( this._clonesGroup );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tattributeElement.is( 'attributeElement' ); // -> true\n\t *\t\tattributeElement.is( 'element' ); // -> true\n\t *\t\tattributeElement.is( 'node' ); // -> true\n\t *\t\tattributeElement.is( 'view:attributeElement' ); // -> true\n\t *\t\tattributeElement.is( 'view:element' ); // -> true\n\t *\t\tattributeElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\tattributeElement.is( 'model:element' ); // -> false\n\t *\t\tattributeElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an attribute element, you can also check its\n\t * {@link module:engine/view/attributeelement~AttributeElement#name name}:\n\t *\n\t *\t\tattributeElement.is( 'element', 'b' ); // -> true if this is a bold element\n\t *\t\tattributeElement.is( 'attributeElement', 'b' ); // -> same as above\n\t *\t\ttext.is( 'element', 'b' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'attributeElement' || type === 'view:attributeElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'attributeElement' || type === 'view:attributeElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Checks if this element is similar to other element.\n\t *\n\t * If none of elements has set {@link module:engine/view/attributeelement~AttributeElement#id}, then both elements\n\t * should have the same name, attributes and priority to be considered as similar. Two similar elements can contain\n\t * different set of children nodes.\n\t *\n\t * If at least one element has {@link module:engine/view/attributeelement~AttributeElement#id} set, then both\n\t * elements have to have the same {@link module:engine/view/attributeelement~AttributeElement#id} value to be\n\t * considered similar.\n\t *\n\t * Similarity is important for {@link module:engine/view/downcastwriter~DowncastWriter}. For example:\n\t *\n\t * * two following similar elements can be merged together into one, longer element,\n\t * * {@link module:engine/view/downcastwriter~DowncastWriter#unwrap} checks similarity of passed element and processed element to\n\t * decide whether processed element should be unwrapped,\n\t * * etc.\n\t *\n\t * @param {module:engine/view/element~Element} otherElement\n\t * @returns {Boolean}\n\t */\n\tisSimilar( otherElement ) {\n\t\t// If any element has an `id` set, just compare the ids.\n\t\tif ( this.id !== null || otherElement.id !== null ) {\n\t\t\treturn this.id === otherElement.id;\n\t\t}\n\n\t\treturn super.isSimilar( otherElement ) && this.priority == otherElement.priority;\n\t}\n\n\t/**\n\t * Clones provided element with priority.\n\t *\n\t * @protected\n\t * @param {Boolean} deep If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any children.\n\t * @returns {module:engine/view/attributeelement~AttributeElement} Clone of this element.\n\t */\n\t_clone( deep ) {\n\t\tconst cloned = super._clone( deep );\n\n\t\t// Clone priority too.\n\t\tcloned._priority = this._priority;\n\n\t\t// And id too.\n\t\tcloned._id = this._id;\n\n\t\treturn cloned;\n\t}\n}\n\n/**\n * Default attribute priority.\n *\n * @member {Number} module:engine/view/attributeelement~AttributeElement.DEFAULT_PRIORITY\n */\nAttributeElement.DEFAULT_PRIORITY = DEFAULT_PRIORITY;\n\n// Returns block {@link module:engine/view/filler~Filler filler} offset or `null` if block filler is not needed.\n//\n// @returns {Number|null} Block filler offset or `null` if block filler is not needed.\nfunction getFillerOffset() {\n\t// <b>foo</b> does not need filler.\n\tif ( nonUiChildrenCount( this ) ) {\n\t\treturn null;\n\t}\n\n\tlet element = this.parent;\n\n\t// <p><b></b></p> needs filler -> <p><b><br></b></p>\n\twhile ( element && element.is( 'attributeElement' ) ) {\n\t\tif ( nonUiChildrenCount( element ) > 1 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\telement = element.parent;\n\t}\n\n\tif ( !element || nonUiChildrenCount( element ) > 1 ) {\n\t\treturn null;\n\t}\n\n\t// Render block filler at the end of element (after all ui elements).\n\treturn this.childCount;\n}\n\n// Returns total count of children that are not {@link module:engine/view/uielement~UIElement UIElements}.\n//\n// @param {module:engine/view/element~Element} element\n// @returns {Number}\nfunction nonUiChildrenCount( element ) {\n\treturn Array.from( element.getChildren() ).filter( element => !element.is( 'uiElement' ) ).length;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/emptyelement\n */\n\nimport Element from './element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Node from './node';\n\n/**\n * Empty element class. It is used to represent elements that cannot contain any child nodes (for example `<img>` elements).\n *\n * To create a new empty element use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createEmptyElement `downcastWriter#createEmptyElement()`} method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class EmptyElement extends Element {\n\t/**\n\t * Creates new instance of EmptyElement.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-emptyelement-cannot-add` when third parameter is passed,\n\t * to inform that usage of EmptyElement is incorrect (adding child nodes to EmptyElement is forbidden).\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createEmptyElement\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t// Override the default of the base class.\n\t\tthis._isAllowedInsideAttributeElement = true;\n\n\t\t/**\n\t\t * Returns `null` because filler is not needed for EmptyElements.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {null} Always returns null.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\temptyElement.is( 'emptyElement' ); // -> true\n\t *\t\temptyElement.is( 'element' ); // -> true\n\t *\t\temptyElement.is( 'node' ); // -> true\n\t *\t\temptyElement.is( 'view:emptyElement' ); // -> true\n\t *\t\temptyElement.is( 'view:element' ); // -> true\n\t *\t\temptyElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\temptyElement.is( 'model:element' ); // -> false\n\t *\t\temptyElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an empty element, you can also check its\n\t * {@link module:engine/view/emptyelement~EmptyElement#name name}:\n\t *\n\t *\t\temptyElement.is( 'element', 'img' ); // -> true if this is a img element\n\t *\t\temptyElement.is( 'emptyElement', 'img' ); // -> same as above\n\t *\t\ttext.is( 'element', 'img' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'emptyElement' || type === 'view:emptyElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'emptyElement' || type === 'view:emptyElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Overrides {@link module:engine/view/element~Element#_insertChild} method.\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-emptyelement-cannot-add` to prevent\n\t * adding any child nodes to EmptyElement.\n\t *\n\t * @protected\n\t */\n\t_insertChild( index, nodes ) {\n\t\tif ( nodes && ( nodes instanceof Node || Array.from( nodes ).length > 0 ) ) {\n\t\t\t/**\n\t\t\t * Cannot add children to {@link module:engine/view/emptyelement~EmptyElement}.\n\t\t\t *\n\t\t\t * @error view-emptyelement-cannot-add\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-emptyelement-cannot-add',\n\t\t\t\t[ this, nodes ]\n\t\t\t);\n\t\t}\n\t}\n}\n\n// Returns `null` because block filler is not needed for EmptyElements.\n//\n// @returns {null}\nfunction getFillerOffset() {\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals navigator:false */\n\n/**\n * @module utils/env\n */\n\nconst userAgent = navigator.userAgent.toLowerCase();\n\n/**\n * A namespace containing environment and browser information.\n *\n * @namespace\n */\nconst env = {\n\t/**\n\t * Indicates that the application is running on Macintosh.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisMac: isMac( userAgent ),\n\n\t/**\n\t * Indicates that the application is running on Windows.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisWindows: isWindows( userAgent ),\n\n\t/**\n\t * Indicates that the application is running in Firefox (Gecko).\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisGecko: isGecko( userAgent ),\n\n\t/**\n\t * Indicates that the application is running in Safari.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisSafari: isSafari( userAgent ),\n\n\t/**\n\t * Indicates the the application is running in iOS.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisiOS: isiOS( userAgent ),\n\n\t/**\n\t * Indicates that the application is running on Android mobile device.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisAndroid: isAndroid( userAgent ),\n\n\t/**\n\t * Indicates that the application is running in a browser using the Blink engine.\n\t *\n\t * @static\n\t * @type {Boolean}\n\t */\n\tisBlink: isBlink( userAgent ),\n\n\t/**\n\t * Environment features information.\n\t *\n\t * @memberOf module:utils/env~env\n\t * @namespace\n\t */\n\tfeatures: {\n\t\t/**\n\t\t * Indicates that the environment supports ES2018 Unicode property escapes — like `\\p{P}` or `\\p{L}`.\n\t\t * More information about unicode properties might be found\n\t\t * [in Unicode Standard Annex #44](https://www.unicode.org/reports/tr44/#GC_Values_Table).\n\t\t *\n\t\t * @type {Boolean}\n\t\t */\n\t\tisRegExpUnicodePropertySupported: isRegExpUnicodePropertySupported()\n\t}\n};\n\nexport default env;\n\n/**\n * Checks if User Agent represented by the string is running on Macintosh.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is running on Macintosh or not.\n */\nexport function isMac( userAgent ) {\n\treturn userAgent.indexOf( 'macintosh' ) > -1;\n}\n\n/**\n * Checks if User Agent represented by the string is running on Windows.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is running on Windows or not.\n */\nexport function isWindows( userAgent ) {\n\treturn userAgent.indexOf( 'windows' ) > -1;\n}\n\n/**\n * Checks if User Agent represented by the string is Firefox (Gecko).\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is Firefox or not.\n */\nexport function isGecko( userAgent ) {\n\treturn !!userAgent.match( /gecko\\/\\d+/ );\n}\n\n/**\n * Checks if User Agent represented by the string is Safari.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is Safari or not.\n */\nexport function isSafari( userAgent ) {\n\treturn userAgent.indexOf( ' applewebkit/' ) > -1 && userAgent.indexOf( 'chrome' ) === -1;\n}\n\n/**\n * Checks if User Agent represented by the string is running in iOS.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is running in iOS or not.\n */\nexport function isiOS( userAgent ) {\n\t// \"Request mobile site\" || \"Request desktop site\".\n\treturn !!userAgent.match( /iphone|ipad/i ) || ( isMac( userAgent ) && navigator.maxTouchPoints > 0 );\n}\n\n/**\n * Checks if User Agent represented by the string is Android mobile device.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is Safari or not.\n */\nexport function isAndroid( userAgent ) {\n\treturn userAgent.indexOf( 'android' ) > -1;\n}\n\n/**\n * Checks if User Agent represented by the string is Blink engine.\n *\n * @param {String} userAgent **Lowercase** `navigator.userAgent` string.\n * @returns {Boolean} Whether User Agent is Blink engine or not.\n */\nexport function isBlink( userAgent ) {\n\t// The Edge browser before switching to the Blink engine used to report itself as Chrome (and \"Edge/\")\n\t// but after switching to the Blink it replaced \"Edge/\" with \"Edg/\".\n\treturn userAgent.indexOf( 'chrome/' ) > -1 && userAgent.indexOf( 'edge/' ) < 0;\n}\n\n/**\n * Checks if the current environment supports ES2018 Unicode properties like `\\p{P}` or `\\p{L}`.\n * More information about unicode properties might be found\n * [in Unicode Standard Annex #44](https://www.unicode.org/reports/tr44/#GC_Values_Table).\n *\n * @returns {Boolean}\n */\nexport function isRegExpUnicodePropertySupported() {\n\tlet isSupported = false;\n\n\t// Feature detection for Unicode properties. Added in ES2018. Currently Firefox does not support it.\n\t// See https://github.com/ckeditor/ckeditor5-mention/issues/44#issuecomment-487002174.\n\n\ttry {\n\t\t// Usage of regular expression literal cause error during build (ckeditor/ckeditor5-dev#534).\n\t\tisSupported = 'ć'.search( new RegExp( '[\\\\p{L}]', 'u' ) ) === 0;\n\t} catch ( error ) {\n\t\t// Firefox throws a SyntaxError when the group is unsupported.\n\t}\n\n\treturn isSupported;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A set of utilities related to keyboard support.\n *\n * @module utils/keyboard\n */\n\nimport CKEditorError from './ckeditorerror';\nimport env from './env';\n\nconst modifiersToGlyphsMac = {\n\tctrl: '⌃',\n\tcmd: '⌘',\n\talt: '⌥',\n\tshift: '⇧'\n};\n\nconst modifiersToGlyphsNonMac = {\n\tctrl: 'Ctrl+',\n\talt: 'Alt+',\n\tshift: 'Shift+'\n};\n\n/**\n * An object with `keyName => keyCode` pairs for a set of known keys.\n *\n * Contains:\n *\n * * `a-z`,\n * * `0-9`,\n * * `f1-f12`,\n * * `` ` ``, `-`, `=`, `[`, `]`, `;`, `'`, `,`, `.`, `/`, `\\`,\n * * `arrow(left|up|right|bottom)`,\n * * `backspace`, `delete`, `enter`, `esc`, `tab`,\n * * `ctrl`, `cmd`, `shift`, `alt`.\n */\nexport const keyCodes = generateKnownKeyCodes();\n\nconst keyCodeNames = Object.fromEntries(\n\tObject.entries( keyCodes ).map( ( [ name, code ] ) => [ code, name.charAt( 0 ).toUpperCase() + name.slice( 1 ) ] )\n);\n\n/**\n * Converts a key name or {@link module:utils/keyboard~KeystrokeInfo keystroke info} into a key code.\n *\n * Note: Key names are matched with {@link module:utils/keyboard~keyCodes} in a case-insensitive way.\n *\n * @param {String|module:utils/keyboard~KeystrokeInfo} A key name (see {@link module:utils/keyboard~keyCodes})\n * or a keystroke data object.\n * @returns {Number} Key or keystroke code.\n */\nexport function getCode( key ) {\n\tlet keyCode;\n\n\tif ( typeof key == 'string' ) {\n\t\tkeyCode = keyCodes[ key.toLowerCase() ];\n\n\t\tif ( !keyCode ) {\n\t\t\t/**\n\t\t\t * Unknown key name. Only key names included in the {@link module:utils/keyboard~keyCodes} can be used.\n\t\t\t *\n\t\t\t * @error keyboard-unknown-key\n\t\t\t * @param {String} key\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'keyboard-unknown-key', null, { key } );\n\t\t}\n\t} else {\n\t\tkeyCode = key.keyCode +\n\t\t\t( key.altKey ? keyCodes.alt : 0 ) +\n\t\t\t( key.ctrlKey ? keyCodes.ctrl : 0 ) +\n\t\t\t( key.shiftKey ? keyCodes.shift : 0 ) +\n\t\t\t( key.metaKey ? keyCodes.cmd : 0 );\n\t}\n\n\treturn keyCode;\n}\n\n/**\n * Parses the keystroke and returns a keystroke code that will match the code returned by\n * {@link module:utils/keyboard~getCode} for the corresponding {@link module:utils/keyboard~KeystrokeInfo keystroke info}.\n *\n * The keystroke can be passed in two formats:\n *\n * * as a single string – e.g. `ctrl + A`,\n * * as an array of {@link module:utils/keyboard~keyCodes known key names} and key codes – e.g.:\n *   * `[ 'ctrl', 32 ]` (ctrl + space),\n *   * `[ 'ctrl', 'a' ]` (ctrl + A).\n *\n * Note: Key names are matched with {@link module:utils/keyboard~keyCodes} in a case-insensitive way.\n *\n * Note: Only keystrokes with a single non-modifier key are supported (e.g. `ctrl+A` is OK, but `ctrl+A+B` is not).\n *\n * Note: On macOS, keystroke handling is translating the `Ctrl` key to the `Cmd` key and handling only that keystroke.\n * For example, a registered keystroke `Ctrl+A` will be translated to `Cmd+A` on macOS. To disable the translation of some keystroke,\n * use the forced modifier: `Ctrl!+A` (note the exclamation mark).\n *\n * @param {String|Array.<Number|String>} keystroke The keystroke definition.\n * @returns {Number} Keystroke code.\n */\nexport function parseKeystroke( keystroke ) {\n\tif ( typeof keystroke == 'string' ) {\n\t\tkeystroke = splitKeystrokeText( keystroke );\n\t}\n\n\treturn keystroke\n\t\t.map( key => ( typeof key == 'string' ) ? getEnvKeyCode( key ) : key )\n\t\t.reduce( ( key, sum ) => sum + key, 0 );\n}\n\n/**\n * Translates any keystroke string text like `\"Ctrl+A\"` to an\n * environment–specific keystroke, i.e. `\"⌘A\"` on macOS.\n *\n * @param {String} keystroke The keystroke text.\n * @returns {String} The keystroke text specific for the environment.\n */\nexport function getEnvKeystrokeText( keystroke ) {\n\tlet keystrokeCode = parseKeystroke( keystroke );\n\n\tconst modifiersToGlyphs = Object.entries( env.isMac ? modifiersToGlyphsMac : modifiersToGlyphsNonMac );\n\n\tconst modifiers = modifiersToGlyphs.reduce( ( modifiers, [ name, glyph ] ) => {\n\t\t// Modifier keys are stored as a bit mask so extract those from the keystroke code.\n\t\tif ( ( keystrokeCode & keyCodes[ name ] ) != 0 ) {\n\t\t\tkeystrokeCode &= ~keyCodes[ name ];\n\t\t\tmodifiers += glyph;\n\t\t}\n\n\t\treturn modifiers;\n\t}, '' );\n\n\treturn modifiers + ( keystrokeCode ? keyCodeNames[ keystrokeCode ] : '' );\n}\n\n/**\n * Returns `true` if the provided key code represents one of the arrow keys.\n *\n * @param {Number} keyCode A key code as in {@link module:utils/keyboard~KeystrokeInfo#keyCode}.\n * @returns {Boolean}\n */\nexport function isArrowKeyCode( keyCode ) {\n\treturn keyCode == keyCodes.arrowright ||\n\t\tkeyCode == keyCodes.arrowleft ||\n\t\tkeyCode == keyCodes.arrowup ||\n\t\tkeyCode == keyCodes.arrowdown;\n}\n\n/**\n * Returns the direction in which the {@link module:engine/model/documentselection~DocumentSelection selection}\n * will move when the provided arrow key code is pressed considering the language direction of the editor content.\n *\n * For instance, in right–to–left (RTL) content languages, pressing the left arrow means moving the selection right (forward)\n * in the model structure. Similarly, pressing the right arrow moves the selection left (backward).\n *\n * @param {Number} keyCode A key code as in {@link module:utils/keyboard~KeystrokeInfo#keyCode}.\n * @param {'ltr'|'rtl'} contentLanguageDirection The content language direction, corresponding to\n * {@link module:utils/locale~Locale#contentLanguageDirection}.\n * @returns {'left'|'up'|'right'|'down'} Localized arrow direction.\n */\nexport function getLocalizedArrowKeyCodeDirection( keyCode, contentLanguageDirection ) {\n\tconst isLtrContent = contentLanguageDirection === 'ltr';\n\n\tswitch ( keyCode ) {\n\t\tcase keyCodes.arrowleft:\n\t\t\treturn isLtrContent ? 'left' : 'right';\n\n\t\tcase keyCodes.arrowright:\n\t\t\treturn isLtrContent ? 'right' : 'left';\n\n\t\tcase keyCodes.arrowup:\n\t\t\treturn 'up';\n\n\t\tcase keyCodes.arrowdown:\n\t\t\treturn 'down';\n\t}\n}\n\n// Converts a key name to the key code with mapping based on the env.\n//\n// See: {@link module:utils/keyboard~getCode}.\n//\n// @param {String} key The key name (see {@link module:utils/keyboard~keyCodes}).\n// @returns {Number} Key code.\nfunction getEnvKeyCode( key ) {\n\t// Don't remap modifier key for forced modifiers.\n\tif ( key.endsWith( '!' ) ) {\n\t\treturn getCode( key.slice( 0, -1 ) );\n\t}\n\n\tconst code = getCode( key );\n\n\treturn env.isMac && code == keyCodes.ctrl ? keyCodes.cmd : code;\n}\n\n/**\n * Determines if the provided key code moves the {@link module:engine/model/documentselection~DocumentSelection selection}\n * forward or backward considering the language direction of the editor content.\n *\n * For instance, in right–to–left (RTL) languages, pressing the left arrow means moving forward\n * in the model structure. Similarly, pressing the right arrow moves the selection backward.\n *\n * @param {Number} keyCode A key code as in {@link module:utils/keyboard~KeystrokeInfo#keyCode}.\n * @param {'ltr'|'rtl'} contentLanguageDirection The content language direction, corresponding to\n * {@link module:utils/locale~Locale#contentLanguageDirection}.\n * @returns {Boolean}\n */\nexport function isForwardArrowKeyCode( keyCode, contentLanguageDirection ) {\n\tconst localizedKeyCodeDirection = getLocalizedArrowKeyCodeDirection( keyCode, contentLanguageDirection );\n\n\treturn localizedKeyCodeDirection === 'down' || localizedKeyCodeDirection === 'right';\n}\n\nfunction generateKnownKeyCodes() {\n\tconst keyCodes = {\n\t\tarrowleft: 37,\n\t\tarrowup: 38,\n\t\tarrowright: 39,\n\t\tarrowdown: 40,\n\t\tbackspace: 8,\n\t\tdelete: 46,\n\t\tenter: 13,\n\t\tspace: 32,\n\t\tesc: 27,\n\t\ttab: 9,\n\n\t\t// The idea about these numbers is that they do not collide with any real key codes, so we can use them\n\t\t// like bit masks.\n\t\tctrl: 0x110000,\n\t\tshift: 0x220000,\n\t\talt: 0x440000,\n\t\tcmd: 0x880000\n\t};\n\n\t// a-z\n\tfor ( let code = 65; code <= 90; code++ ) {\n\t\tconst letter = String.fromCharCode( code );\n\n\t\tkeyCodes[ letter.toLowerCase() ] = code;\n\t}\n\n\t// 0-9\n\tfor ( let code = 48; code <= 57; code++ ) {\n\t\tkeyCodes[ code - 48 ] = code;\n\t}\n\n\t// F1-F12\n\tfor ( let code = 112; code <= 123; code++ ) {\n\t\tkeyCodes[ 'f' + ( code - 111 ) ] = code;\n\t}\n\n\t// other characters\n\tfor ( const char of '`-=[];\\',./\\\\' ) {\n\t\tkeyCodes[ char ] = char.charCodeAt( 0 );\n\t}\n\n\treturn keyCodes;\n}\n\nfunction splitKeystrokeText( keystroke ) {\n\treturn keystroke.split( '+' ).map( key => key.trim() );\n}\n\n/**\n * Information about the keystroke.\n *\n * @interface module:utils/keyboard~KeystrokeInfo\n */\n\n/**\n * The [key code](https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/keyCode).\n *\n * @member {Number} module:utils/keyboard~KeystrokeInfo#keyCode\n */\n\n/**\n * Whether the <kbd>Alt</kbd> modifier was pressed.\n *\n * @member {Boolean} module:utils/keyboard~KeystrokeInfo#altKey\n */\n\n/**\n * Whether the <kbd>Ctrl</kbd> modifier was pressed.\n *\n * @member {Boolean} module:utils/keyboard~KeystrokeInfo#ctrlKey\n */\n\n/**\n * Whether the <kbd>Shift</kbd> modifier was pressed.\n *\n * @member {Boolean} module:utils/keyboard~KeystrokeInfo#shiftKey\n */\n\n/**\n * Whether the <kbd>Cmd</kbd> modifier was pressed.\n *\n * @member {Boolean} module:utils/keyboard~KeystrokeInfo#metaKey\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/uielement\n */\n\nimport Element from './element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Node from './node';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * UI element class. It should be used to represent editing UI which needs to be injected into the editing view\n * If possible, you should keep your UI outside the editing view. However, if that is not possible,\n * UI elements can be used.\n *\n * How a UI element is rendered is in your control (you pass a callback to\n * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement `downcastWriter#createUIElement()`}).\n * The editor will ignore your UI element – the selection cannot be placed in it, it is skipped (invisible) when\n * the user modifies the selection by using arrow keys and the editor does not listen to any mutations which\n * happen inside your UI elements.\n *\n * The limitation is that you cannot convert a model element to a UI element. UI elements need to be\n * created for {@link module:engine/model/markercollection~Marker markers} or as additinal elements\n * inside normal {@link module:engine/view/containerelement~ContainerElement container elements}.\n *\n * To create a new UI element use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement `downcastWriter#createUIElement()`} method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class UIElement extends Element {\n\t/**\n\t * Creates new instance of UIElement.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-uielement-cannot-add` when third parameter is passed,\n\t * to inform that usage of UIElement is incorrect (adding child nodes to UIElement is forbidden).\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createUIElement\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attributes] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t */\n\tconstructor( document, name, attributes, children ) {\n\t\tsuper( document, name, attributes, children );\n\n\t\t// Override the default of the base class.\n\t\tthis._isAllowedInsideAttributeElement = true;\n\n\t\t/**\n\t\t * Returns `null` because filler is not needed for UIElements.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {null} Always returns null.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tuiElement.is( 'uiElement' ); // -> true\n\t *\t\tuiElement.is( 'element' ); // -> true\n\t *\t\tuiElement.is( 'node' ); // -> true\n\t *\t\tuiElement.is( 'view:uiElement' ); // -> true\n\t *\t\tuiElement.is( 'view:element' ); // -> true\n\t *\t\tuiElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\tuiElement.is( 'model:element' ); // -> false\n\t *\t\tuiElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an ui element, you can also check its\n\t * {@link module:engine/view/uielement~UIElement#name name}:\n\t *\n\t *\t\tuiElement.is( 'element', 'span' ); // -> true if this is a span ui element\n\t *\t\tuiElement.is( 'uiElement', 'span' ); // -> same as above\n\t *\t\ttext.is( 'element', 'span' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'uiElement' || type === 'view:uiElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'uiElement' || type === 'view:uiElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Overrides {@link module:engine/view/element~Element#_insertChild} method.\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-uielement-cannot-add` to prevent adding any child nodes\n\t * to UIElement.\n\t *\n\t * @protected\n\t */\n\t_insertChild( index, nodes ) {\n\t\tif ( nodes && ( nodes instanceof Node || Array.from( nodes ).length > 0 ) ) {\n\t\t\t/**\n\t\t\t * Cannot add children to {@link module:engine/view/uielement~UIElement}.\n\t\t\t *\n\t\t\t * @error view-uielement-cannot-add\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-uielement-cannot-add', this );\n\t\t}\n\t}\n\n\t/**\n\t * Renders this {@link module:engine/view/uielement~UIElement} to DOM. This method is called by\n\t * {@link module:engine/view/domconverter~DomConverter}.\n\t * Do not use inheritance to create custom rendering method, replace `render()` method instead:\n\t *\n\t *\t\tconst myUIElement = downcastWriter.createUIElement( 'span' );\n\t *\t\tmyUIElement.render = function( domDocument, domConverter ) {\n\t *\t\t\tconst domElement = this.toDomElement( domDocument );\n\t *\n\t *\t\t\tdomConverter.setContentOf( domElement, '<b>this is ui element</b>' );\n\t *\n\t *\t\t\treturn domElement;\n\t *\t\t};\n\t *\n\t * If changes in your UI element should trigger some editor UI update you should call\n\t * the {@link module:core/editor/editorui~EditorUI#update `editor.ui.update()`} method\n\t * after rendering your UI element.\n\t *\n\t * @param {Document} domDocument\n\t * @param {module:engine/view/domconverter~DomConverter} domConverter Instance of the DomConverter used to optimize the output.\n\t * @returns {HTMLElement}\n\t */\n\trender( domDocument ) {\n\t\t// Provide basic, default output.\n\t\treturn this.toDomElement( domDocument );\n\t}\n\n\t/**\n\t * Creates DOM element based on this view UIElement.\n\t * Note that each time this method is called new DOM element is created.\n\t *\n\t * @param {Document} domDocument\n\t * @returns {HTMLElement}\n\t */\n\ttoDomElement( domDocument ) {\n\t\tconst domElement = domDocument.createElement( this.name );\n\n\t\tfor ( const key of this.getAttributeKeys() ) {\n\t\t\tdomElement.setAttribute( key, this.getAttribute( key ) );\n\t\t}\n\n\t\treturn domElement;\n\t}\n}\n\n/**\n * This function injects UI element handling to the given {@link module:engine/view/document~Document document}.\n *\n * A callback is added to {@link module:engine/view/document~Document#event:keydown document keydown event}.\n * The callback handles the situation when right arrow key is pressed and selection is collapsed before a UI element.\n * Without this handler, it would be impossible to \"jump over\" UI element using right arrow key.\n *\n * @param {module:engine/view/view~View} view View controller to which the quirks handling will be injected.\n */\nexport function injectUiElementHandling( view ) {\n\tview.document.on( 'arrowKey', ( evt, data ) => jumpOverUiElement( evt, data, view.domConverter ), { priority: 'low' } );\n}\n\n// Returns `null` because block filler is not needed for UIElements.\n//\n// @returns {null}\nfunction getFillerOffset() {\n\treturn null;\n}\n\n// Selection cannot be placed in a `UIElement`. Whenever it is placed there, it is moved before it. This\n// causes a situation when it is impossible to jump over `UIElement` using right arrow key, because the selection\n// ends up in ui element (in DOM) and is moved back to the left. This handler fixes this situation.\nfunction jumpOverUiElement( evt, data, domConverter ) {\n\tif ( data.keyCode == keyCodes.arrowright ) {\n\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\t\tconst domSelectionCollapsed = domSelection.rangeCount == 1 && domSelection.getRangeAt( 0 ).collapsed;\n\n\t\t// Jump over UI element if selection is collapsed or shift key is pressed. These are the cases when selection would extend.\n\t\tif ( domSelectionCollapsed || data.shiftKey ) {\n\t\t\tconst domParent = domSelection.focusNode;\n\t\t\tconst domOffset = domSelection.focusOffset;\n\n\t\t\tconst viewPosition = domConverter.domPositionToView( domParent, domOffset );\n\n\t\t\t// In case if dom element is not converted to view or is not mapped or something. Happens for example in some tests.\n\t\t\tif ( viewPosition === null ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Skip all following ui elements.\n\t\t\tlet jumpedOverAnyUiElement = false;\n\n\t\t\tconst nextViewPosition = viewPosition.getLastMatchingPosition( value => {\n\t\t\t\tif ( value.item.is( 'uiElement' ) ) {\n\t\t\t\t\t// Remember that there was at least one ui element.\n\t\t\t\t\tjumpedOverAnyUiElement = true;\n\t\t\t\t}\n\n\t\t\t\t// Jump over ui elements, jump over empty attribute elements, move up from inside of attribute element.\n\t\t\t\tif ( value.item.is( 'uiElement' ) || value.item.is( 'attributeElement' ) ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\t// Don't jump over text or don't get out of container element.\n\t\t\t\treturn false;\n\t\t\t} );\n\n\t\t\t// If anything has been skipped, fix position.\n\t\t\t// This `if` could be possibly omitted but maybe it is better not to mess with DOM selection if not needed.\n\t\t\tif ( jumpedOverAnyUiElement ) {\n\t\t\t\tconst newDomPosition = domConverter.viewPositionToDom( nextViewPosition );\n\n\t\t\t\tif ( domSelectionCollapsed ) {\n\t\t\t\t\t// Selection was collapsed, so collapse it at further position.\n\t\t\t\t\tdomSelection.collapse( newDomPosition.parent, newDomPosition.offset );\n\t\t\t\t} else {\n\t\t\t\t\t// Selection was not collapse, so extend it instead of collapsing.\n\t\t\t\t\tdomSelection.extend( newDomPosition.parent, newDomPosition.offset );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/rawelement\n */\n\nimport Element from './element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Node from './node';\n\n/**\n * The raw element class.\n *\n * The raw elements work as data containers (\"wrappers\", \"sandboxes\") but their children are not managed or\n * even recognized by the editor. This encapsulation allows integrations to maintain custom DOM structures\n * in the editor content without, for instance, worrying about compatibility with other editor features.\n * Raw elements are a perfect tool for integration with external frameworks and data sources.\n *\n * Unlike {@link module:engine/view/uielement~UIElement UI elements}, raw elements act like real editor\n * content (similar to {@link module:engine/view/containerelement~ContainerElement} or\n * {@link module:engine/view/emptyelement~EmptyElement}), they are considered by the editor selection and\n * {@link module:widget/utils~toWidget they can work as widgets}.\n *\n * To create a new raw element, use the\n * {@link module:engine/view/downcastwriter~DowncastWriter#createRawElement `downcastWriter#createRawElement()`} method.\n *\n * @extends module:engine/view/element~Element\n */\nexport default class RawElement extends Element {\n\t/**\n\t * Creates a new instance of a raw element.\n\t *\n\t * Throws the `view-rawelement-cannot-add` {@link module:utils/ckeditorerror~CKEditorError CKEditorError} when the `children`\n\t * parameter is passed to inform that the usage of `RawElement` is incorrect (adding child nodes to `RawElement` is forbidden).\n\t *\n\t * @see module:engine/view/downcastwriter~DowncastWriter#createRawElement\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document instance to which this element belongs.\n\t * @param {String} name A node name.\n\t * @param {Object|Iterable} [attrs] The collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into the created element.\n\t */\n\tconstructor( document, name, attrs, children ) {\n\t\tsuper( document, name, attrs, children );\n\n\t\t// Override the default of the base class.\n\t\tthis._isAllowedInsideAttributeElement = true;\n\n\t\t/**\n\t\t * Returns `null` because filler is not needed for raw elements.\n\t\t *\n\t\t * @method #getFillerOffset\n\t\t * @returns {null} Always returns null.\n\t\t */\n\t\tthis.getFillerOffset = getFillerOffset;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type or name.\n\t *\n\t *\t\trawElement.is( 'rawElement' ); // -> true\n\t *\t\trawElement.is( 'element' ); // -> true\n\t *\t\trawElement.is( 'node' ); // -> true\n\t *\t\trawElement.is( 'view:rawElement' ); // -> true\n\t *\t\trawElement.is( 'view:element' ); // -> true\n\t *\t\trawElement.is( 'view:node' ); // -> true\n\t *\n\t *\t\trawElement.is( 'model:element' ); // -> false\n\t *\t\trawElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is a raw element, you can also check its\n\t * {@link module:engine/view/rawelement~RawElement#name name}:\n\t *\n\t *\t\trawElement.is( 'img' ); // -> true if this is an img element\n\t *\t\trawElement.is( 'rawElement', 'img' ); // -> same as above\n\t *\t\ttext.is( 'img' ); -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type The type to check when the `name` parameter is present.\n\t * Otherwise, it acts like the `name` parameter.\n\t * @param {String} [name] The element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'rawElement' || type === 'view:rawElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === this.name || type === 'view:' + this.name ||\n\t\t\t\ttype === 'element' || type === 'view:element' ||\n\t\t\t\ttype === 'node' || type === 'view:node';\n\t\t} else {\n\t\t\treturn name === this.name && (\n\t\t\t\ttype === 'rawElement' || type === 'view:rawElement' ||\n\t\t\t\ttype === 'element' || type === 'view:element'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Overrides the {@link module:engine/view/element~Element#_insertChild} method.\n\t * Throws the `view-rawelement-cannot-add` {@link module:utils/ckeditorerror~CKEditorError CKEditorError} to prevent\n\t * adding any child nodes to a raw element.\n\t *\n\t * @protected\n\t */\n\t_insertChild( index, nodes ) {\n\t\tif ( nodes && ( nodes instanceof Node || Array.from( nodes ).length > 0 ) ) {\n\t\t\t/**\n\t\t\t * Cannot add children to a {@link module:engine/view/rawelement~RawElement} instance.\n\t\t\t *\n\t\t\t * @error view-rawelement-cannot-add\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-rawelement-cannot-add',\n\t\t\t\t[ this, nodes ]\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * This allows rendering the children of a {@link module:engine/view/rawelement~RawElement} on the DOM level.\n\t * This method is called by the {@link module:engine/view/domconverter~DomConverter} with the raw DOM element\n\t * passed as an argument, leaving the number and shape of the children up to the integrator.\n\t *\n\t * This method **must be defined** for the raw element to work:\n\t *\n\t *\t\tconst myRawElement = downcastWriter.createRawElement( 'div' );\n\t *\n\t *\t\tmyRawElement.render = function( domElement, domConverter ) {\n\t *\t\t\tdomConverter.setContentOf( domElement, '<b>This is the raw content of myRawElement.</b>' );\n\t *\t\t};\n\t *\n\t * @method #render\n\t * @param {HTMLElement} domElement The native DOM element representing the raw view element.\n\t * @param {module:engine/view/domconverter~DomConverter} domConverter Instance of the DomConverter used to optimize the output.\n\t */\n}\n\n// Returns `null` because block filler is not needed for raw elements.\n//\n// @returns {null}\nfunction getFillerOffset() {\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/documentfragment\n */\n\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\n\n/**\n * Document fragment.\n *\n * To create a new document fragment instance use the\n * {@link module:engine/view/upcastwriter~UpcastWriter#createDocumentFragment `UpcastWriter#createDocumentFragment()`}\n * method.\n */\nexport default class DocumentFragment {\n\t/**\n\t * Creates new DocumentFragment instance.\n\t *\n\t * @protected\n\t * @param {module:engine/view/document~Document} document The document to which this document fragment belongs.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into the created document fragment.\n\t */\n\tconstructor( document, children ) {\n\t\t/**\n\t\t * The document to which this document fragment belongs.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\n\t\t/**\n\t\t * Array of child nodes.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array.<module:engine/view/element~Element>} module:engine/view/documentfragment~DocumentFragment#_children\n\t\t */\n\t\tthis._children = [];\n\n\t\tif ( children ) {\n\t\t\tthis._insertChild( 0, children );\n\t\t}\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over nodes added to this document fragment.\n\t *\n\t * @returns {Iterable.<module:engine/view/node~Node>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Number of child nodes in this document fragment.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget childCount() {\n\t\treturn this._children.length;\n\t}\n\n\t/**\n\t * Is `true` if there are no nodes inside this document fragment, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this.childCount === 0;\n\t}\n\n\t/**\n\t * Artificial root of `DocumentFragment`. Returns itself. Added for compatibility reasons.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Artificial parent of `DocumentFragment`. Returns `null`. Added for compatibility reasons.\n\t *\n\t * @readonly\n\t * @type {null}\n\t */\n\tget parent() {\n\t\treturn null;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tdocFrag.is( 'documentFragment' ); // -> true\n\t *\t\tdocFrag.is( 'view:documentFragment' ); // -> true\n\t *\n\t *\t\tdocFrag.is( 'model:documentFragment' ); // -> false\n\t *\t\tdocFrag.is( 'element' ); // -> false\n\t *\t\tdocFrag.is( 'node' ); // -> false\n\t *\n\t * {@link module:engine/view/node~Node#is Check the entire list of view objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'documentFragment' || type === 'view:documentFragment';\n\t}\n\n\t/**\n\t * {@link module:engine/view/documentfragment~DocumentFragment#_insertChild Insert} a child node or a list of child nodes at the end\n\t * and sets the parent of these nodes to this fragment.\n\t *\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @returns {Number} Number of appended nodes.\n\t */\n\t_appendChild( items ) {\n\t\treturn this._insertChild( this.childCount, items );\n\t}\n\n\t/**\n\t * Gets child at the given index.\n\t *\n\t * @param {Number} index Index of child.\n\t * @returns {module:engine/view/node~Node} Child node.\n\t */\n\tgetChild( index ) {\n\t\treturn this._children[ index ];\n\t}\n\n\t/**\n\t * Gets index of the given child node. Returns `-1` if child node is not found.\n\t *\n\t * @param {module:engine/view/node~Node} node Child node.\n\t * @returns {Number} Index of the child node.\n\t */\n\tgetChildIndex( node ) {\n\t\treturn this._children.indexOf( node );\n\t}\n\n\t/**\n\t * Gets child nodes iterator.\n\t *\n\t * @returns {Iterable.<module:engine/view/node~Node>} Child nodes iterator.\n\t */\n\tgetChildren() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Inserts a child node or a list of child nodes on the given index and sets the parent of these nodes to\n\t * this fragment.\n\t *\n\t * @param {Number} index Position where nodes should be inserted.\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @returns {Number} Number of inserted nodes.\n\t */\n\t_insertChild( index, items ) {\n\t\tthis._fireChange( 'children', this );\n\t\tlet count = 0;\n\n\t\tconst nodes = normalize( this.document, items );\n\n\t\tfor ( const node of nodes ) {\n\t\t\t// If node that is being added to this element is already inside another element, first remove it from the old parent.\n\t\t\tif ( node.parent !== null ) {\n\t\t\t\tnode._remove();\n\t\t\t}\n\n\t\t\tnode.parent = this;\n\n\t\t\tthis._children.splice( index, 0, node );\n\t\t\tindex++;\n\t\t\tcount++;\n\t\t}\n\n\t\treturn count;\n\t}\n\n\t/**\n\t * Removes number of child nodes starting at the given index and set the parent of these nodes to `null`.\n\t *\n\t * @param {Number} index Number of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @returns {Array.<module:engine/view/node~Node>} The array of removed nodes.\n\t */\n\t_removeChildren( index, howMany = 1 ) {\n\t\tthis._fireChange( 'children', this );\n\n\t\tfor ( let i = index; i < index + howMany; i++ ) {\n\t\t\tthis._children[ i ].parent = null;\n\t\t}\n\n\t\treturn this._children.splice( index, howMany );\n\t}\n\n\t/**\n\t * Fires `change` event with given type of the change.\n\t *\n\t * @private\n\t * @param {module:engine/view/document~ChangeType} type Type of the change.\n\t * @param {module:engine/view/node~Node} node Changed node.\n\t * @fires module:engine/view/node~Node#change\n\t */\n\t_fireChange( type, node ) {\n\t\tthis.fire( 'change:' + type, node );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // printTree() {\n\t// @if CK_DEBUG_ENGINE //\tlet string = 'ViewDocumentFragment: [';\n\n\t// @if CK_DEBUG_ENGINE //\tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE //\t\tif ( child.is( '$text' ) ) {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\n' + '\\t'.repeat( 1 ) + child.data;\n\t// @if CK_DEBUG_ENGINE //\t\t} else {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\n' + child.printTree( 1 );\n\t// @if CK_DEBUG_ENGINE //\t\t}\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\tstring += '\\n]';\n\n\t// @if CK_DEBUG_ENGINE //\treturn string;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logTree() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.printTree() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\nmix( DocumentFragment, EmitterMixin );\n\n// Converts strings to Text and non-iterables to arrays.\n//\n// @param {String|module:engine/view/item~Item|Iterable.<String|module:engine/view/item~Item>}\n// @returns {Iterable.<module:engine/view/node~Node>}\nfunction normalize( document, nodes ) {\n\t// Separate condition because string is iterable.\n\tif ( typeof nodes == 'string' ) {\n\t\treturn [ new Text( document, nodes ) ];\n\t}\n\n\tif ( !isIterable( nodes ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Array.from to enable .map() on non-arrays.\n\treturn Array.from( nodes )\n\t\t.map( node => {\n\t\t\tif ( typeof node == 'string' ) {\n\t\t\t\treturn new Text( document, node );\n\t\t\t}\n\n\t\t\tif ( node instanceof TextProxy ) {\n\t\t\t\treturn new Text( document, node.data );\n\t\t\t}\n\n\t\t\treturn node;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module module:engine/view/downcastwriter\n */\n\nimport Position from './position';\nimport Range from './range';\nimport Selection from './selection';\nimport ContainerElement from './containerelement';\nimport AttributeElement from './attributeelement';\nimport EmptyElement from './emptyelement';\nimport UIElement from './uielement';\nimport RawElement from './rawelement';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport DocumentFragment from './documentfragment';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\nimport Text from './text';\nimport EditableElement from './editableelement';\nimport { isPlainObject } from 'lodash-es';\n\n/**\n * View downcast writer.\n *\n * It provides a set of methods used to manipulate view nodes.\n *\n * Do not create an instance of this writer manually. To modify a view structure, use\n * the {@link module:engine/view/view~View#change `View#change()`} block.\n *\n * The `DowncastWriter` is designed to work with semantic views which are the views that were/are being downcasted from the model.\n * To work with ordinary views (e.g. parsed from a pasted content) use the\n * {@link module:engine/view/upcastwriter~UpcastWriter upcast writer}.\n *\n * Read more about changing the view in the {@glink framework/guides/architecture/editing-engine#changing-the-view Changing the view}\n * section of the {@glink framework/guides/architecture/editing-engine Editing engine architecture} guide.\n */\nexport default class DowncastWriter {\n\t/**\n\t * @param {module:engine/view/document~Document} document The view document instance.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * The view document instance in which this writer operates.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\n\t\t/**\n\t\t * Holds references to the attribute groups that share the same {@link module:engine/view/attributeelement~AttributeElement#id id}.\n\t\t * The keys are `id`s, the values are `Set`s holding {@link module:engine/view/attributeelement~AttributeElement}s.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<String,Set>}\n\t\t */\n\t\tthis._cloneGroups = new Map();\n\t}\n\n\t/**\n\t * Sets {@link module:engine/view/documentselection~DocumentSelection selection's} ranges and direction to the\n\t * specified location based on the given {@link module:engine/view/selection~Selectable selectable}.\n\t *\n\t * Usage:\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\twriter.setSelection( range );\n\t *\n\t *\t\t// Sets backward selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\twriter.setSelection( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( start2, end2 ) ];\n\t *\t\twriter.setSelection( range );\n\t *\n\t *\t\t// Sets selection to the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\twriter.setSelection( otherSelection );\n\t *\n\t * \t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\twriter.setSelection( position );\n\t *\n\t * \t\t// Sets collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'p' );\n\t *\t\twriter.setSelection( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n \t * that element and ends after the last child of that element.\n\t *\n\t * \t\twriter.setSelection( paragraph, 'in' );\n\t *\n\t * Creates a range on the {@link module:engine/view/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\twriter.setSelection( paragraph, 'on' );\n\t *\n\t * \t\t// Removes all ranges.\n\t *\t\twriter.setSelection( null );\n\t *\n\t * `DowncastWriter#setSelection()` allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Sets selection as backward.\n\t *\t\twriter.setSelection( range, { backward: true } );\n\t *\n\t *\t\t// Sets selection as fake.\n\t *\t\t// Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * \t\t// This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * \t\t// represented in other way, for example by applying proper CSS class.\n\t *\t\twriter.setSelection( range, { fake: true } );\n\t *\n\t * \t\t// Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * \t\t// (and be  properly handled by screen readers).\n\t *\t\twriter.setSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t */\n\tsetSelection( selectable, placeOrOffset, options ) {\n\t\tthis.document.selection._setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Moves {@link module:engine/view/documentselection~DocumentSelection#focus selection's focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as {@link module:engine/view/view~View#createPositionAt view.createPositionAt()}\n\t * parameters.\n\t *\n\t * @param {module:engine/view/item~Item|module:engine/view/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tsetSelectionFocus( itemOrPosition, offset ) {\n\t\tthis.document.selection._setFocus( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/documentfragment~DocumentFragment} instance.\n\t *\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into the created document fragment.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} The created document fragment.\n\t */\n\tcreateDocumentFragment( children ) {\n\t\treturn new DocumentFragment( this.document, children );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/text~Text text node}.\n\t *\n\t *\t\twriter.createText( 'foo' );\n\t *\n\t * @param {String} data The text's data.\n\t * @returns {module:engine/view/text~Text} The created text node.\n\t */\n\tcreateText( data ) {\n\t\treturn new Text( this.document, data );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/attributeelement~AttributeElement}.\n\t *\n\t *\t\twriter.createAttributeElement( 'strong' );\n\t *\t\twriter.createAttributeElement( 'a', { href: 'foo.bar' } );\n\t *\n\t *\t\t// Make `<a>` element contain other attributes element so the `<a>` element is not broken.\n\t *\t\twriter.createAttributeElement( 'a', { href: 'foo.bar' }, { priority: 5 } );\n\t *\n\t *\t\t// Set `id` of a marker element so it is not joined or merged with \"normal\" elements.\n\t *\t\twriter.createAttributeElement( 'span', { class: 'my-marker' }, { id: 'marker:my' } );\n\t *\n\t * **Note:** By default an `AttributeElement` is split by a\n\t * {@link module:engine/view/containerelement~ContainerElement `ContainerElement`} but this behavior can be modified\n\t * with `isAllowedInsideAttributeElement` option set while {@link #createContainerElement creating the element}.\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Element's attributes.\n\t * @param {Object} [options] Element's options.\n\t * @param {Number} [options.priority] Element's {@link module:engine/view/attributeelement~AttributeElement#priority priority}.\n\t * @param {Number|String} [options.id] Element's {@link module:engine/view/attributeelement~AttributeElement#id id}.\n\t * @param {Array.<String>} [options.renderUnsafeAttributes] A list of attribute names that should be rendered in the editing\n\t * pipeline even though they would normally be filtered out by unsafe attribute detection mechanisms.\n\t * @returns {module:engine/view/attributeelement~AttributeElement} Created element.\n\t */\n\tcreateAttributeElement( name, attributes, options = {} ) {\n\t\tconst attributeElement = new AttributeElement( this.document, name, attributes );\n\n\t\tif ( typeof options.priority === 'number' ) {\n\t\t\tattributeElement._priority = options.priority;\n\t\t}\n\n\t\tif ( options.id ) {\n\t\t\tattributeElement._id = options.id;\n\t\t}\n\n\t\tif ( options.renderUnsafeAttributes ) {\n\t\t\tattributeElement._unsafeAttributesToRender.push( ...options.renderUnsafeAttributes );\n\t\t}\n\n\t\treturn attributeElement;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/containerelement~ContainerElement}.\n\t *\n\t *\t\twriter.createContainerElement( 'p' );\n\t *\n\t *\t\t// Create element with custom attributes.\n\t *\t\twriter.createContainerElement( 'div', { id: 'foo-bar', 'data-baz': '123' } );\n\t *\n\t *\t\t// Create element with custom styles.\n\t *\t\twriter.createContainerElement( 'p', { style: 'font-weight: bold; padding-bottom: 10px' } );\n\t *\n\t *\t\t// Create element with custom classes.\n\t *\t\twriter.createContainerElement( 'p', { class: 'foo bar baz' } );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @param {Object} [options] Element's options.\n\t * @param {Boolean} [options.isAllowedInsideAttributeElement=false] Whether an element is\n\t * {@link module:engine/view/element~Element#isAllowedInsideAttributeElement allowed inside an AttributeElement} and can be wrapped\n\t * with {@link module:engine/view/attributeelement~AttributeElement} by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t * @param {Array.<String>} [options.renderUnsafeAttributes] A list of attribute names that should be rendered in the editing\n\t * pipeline even though they would normally be filtered out by unsafe attribute detection mechanisms.\n\t * @returns {module:engine/view/containerelement~ContainerElement} Created element.\n\t */\n\tcreateContainerElement( name, attributes, options = {} ) {\n\t\tconst containerElement = new ContainerElement( this.document, name, attributes );\n\n\t\tif ( options.isAllowedInsideAttributeElement !== undefined ) {\n\t\t\tcontainerElement._isAllowedInsideAttributeElement = options.isAllowedInsideAttributeElement;\n\t\t}\n\n\t\tif ( options.renderUnsafeAttributes ) {\n\t\t\tcontainerElement._unsafeAttributesToRender.push( ...options.renderUnsafeAttributes );\n\t\t}\n\n\t\treturn containerElement;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/editableelement~EditableElement}.\n\t *\n\t *\t\twriter.createEditableElement( 'div' );\n\t *\t\twriter.createEditableElement( 'div', { id: 'foo-1234' } );\n\t *\n\t * Note: The editable element is to be used in the editing pipeline. Usually, together with\n\t * {@link module:widget/utils~toWidgetEditable `toWidgetEditable()`}.\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @param {Object} [options] Element's options.\n\t * @param {Array.<String>} [options.renderUnsafeAttributes] A list of attribute names that should be rendered in the editing\n\t * pipeline even though they would normally be filtered out by unsafe attribute detection mechanisms.\n\t * @returns {module:engine/view/editableelement~EditableElement} Created element.\n\t */\n\tcreateEditableElement( name, attributes, options = {} ) {\n\t\tconst editableElement = new EditableElement( this.document, name, attributes );\n\t\teditableElement._document = this.document;\n\n\t\tif ( options.renderUnsafeAttributes ) {\n\t\t\teditableElement._unsafeAttributesToRender.push( ...options.renderUnsafeAttributes );\n\t\t}\n\n\t\treturn editableElement;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/emptyelement~EmptyElement}.\n\t *\n\t *\t\twriter.createEmptyElement( 'img' );\n\t *\t\twriter.createEmptyElement( 'img', { id: 'foo-1234' } );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @param {Object} [options] Element's options.\n\t * @param {Boolean} [options.isAllowedInsideAttributeElement=true] Whether an element is\n\t * {@link module:engine/view/element~Element#isAllowedInsideAttributeElement allowed inside an AttributeElement} and can be wrapped\n\t * with {@link module:engine/view/attributeelement~AttributeElement} by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t * @param {Array.<String>} [options.renderUnsafeAttributes] A list of attribute names that should be rendered in the editing\n\t * pipeline even though they would normally be filtered out by unsafe attribute detection mechanisms.\n\t * @returns {module:engine/view/emptyelement~EmptyElement} Created element.\n\t */\n\tcreateEmptyElement( name, attributes, options = {} ) {\n\t\tconst emptyElement = new EmptyElement( this.document, name, attributes );\n\n\t\tif ( options.isAllowedInsideAttributeElement !== undefined ) {\n\t\t\temptyElement._isAllowedInsideAttributeElement = options.isAllowedInsideAttributeElement;\n\t\t}\n\n\t\tif ( options.renderUnsafeAttributes ) {\n\t\t\temptyElement._unsafeAttributesToRender.push( ...options.renderUnsafeAttributes );\n\t\t}\n\n\t\treturn emptyElement;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/uielement~UIElement}.\n\t *\n\t *\t\twriter.createUIElement( 'span' );\n\t *\t\twriter.createUIElement( 'span', { id: 'foo-1234' } );\n\t *\n\t * A custom render function can be provided as the third parameter:\n\t *\n\t *\t\twriter.createUIElement( 'span', null, function( domDocument ) {\n\t *\t\t\tconst domElement = this.toDomElement( domDocument );\n\t *\t\t\tdomElement.innerHTML = '<b>this is ui element</b>';\n\t *\n\t *\t\t\treturn domElement;\n\t *\t\t} );\n\t *\n\t * Unlike {@link #createRawElement raw elements}, UI elements are by no means editor content, for instance,\n\t * they are ignored by the editor selection system.\n\t *\n\t * You should not use UI elements as data containers. Check out {@link #createRawElement} instead.\n\t *\n\t * @param {String} name The name of the element.\n\t * @param {Object} [attributes] Element attributes.\n\t * @param {Function} [renderFunction] A custom render function.\n\t * @param {Object} [options] Element's options.\n\t * @param {Boolean} [options.isAllowedInsideAttributeElement=true] Whether an element is\n\t * {@link module:engine/view/element~Element#isAllowedInsideAttributeElement allowed inside an AttributeElement} and can be wrapped\n\t * with {@link module:engine/view/attributeelement~AttributeElement} by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t * @returns {module:engine/view/uielement~UIElement} The created element.\n\t */\n\tcreateUIElement( name, attributes, renderFunction, options = {} ) {\n\t\tconst uiElement = new UIElement( this.document, name, attributes );\n\n\t\tif ( renderFunction ) {\n\t\t\tuiElement.render = renderFunction;\n\t\t}\n\n\t\tif ( options.isAllowedInsideAttributeElement !== undefined ) {\n\t\t\tuiElement._isAllowedInsideAttributeElement = options.isAllowedInsideAttributeElement;\n\t\t}\n\n\t\treturn uiElement;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/rawelement~RawElement}.\n\t *\n\t *\t\twriter.createRawElement( 'span', { id: 'foo-1234' }, function( domElement ) {\n\t *\t\t\tdomElement.innerHTML = '<b>This is the raw content of the raw element.</b>';\n\t *\t\t} );\n\t *\n\t * Raw elements work as data containers (\"wrappers\", \"sandboxes\") but their children are not managed or\n\t * even recognized by the editor. This encapsulation allows integrations to maintain custom DOM structures\n\t * in the editor content without, for instance, worrying about compatibility with other editor features.\n\t * Raw elements are a perfect tool for integration with external frameworks and data sources.\n\t *\n\t * Unlike {@link #createUIElement UI elements}, raw elements act like \"real\" editor content (similar to\n\t * {@link module:engine/view/containerelement~ContainerElement} or {@link module:engine/view/emptyelement~EmptyElement}),\n\t * and they are considered by the editor selection.\n\t *\n\t * You should not use raw elements to render the UI in the editor content. Check out {@link #createUIElement `#createUIElement()`}\n\t * instead.\n\t *\n\t * @param {String} name The name of the element.\n\t * @param {Object} [attributes] Element attributes.\n\t * @param {Function} [renderFunction] A custom render function.\n\t * @param {Object} [options] Element's options.\n\t * @param {Boolean} [options.isAllowedInsideAttributeElement=true] Whether an element is\n\t * {@link module:engine/view/element~Element#isAllowedInsideAttributeElement allowed inside an AttributeElement} and can be wrapped\n\t * with {@link module:engine/view/attributeelement~AttributeElement} by {@link module:engine/view/downcastwriter~DowncastWriter}.\n\t * @param {Array.<String>} [options.renderUnsafeAttributes] A list of attribute names that should be rendered in the editing\n\t * pipeline even though they would normally be filtered out by unsafe attribute detection mechanisms.\n\t * @returns {module:engine/view/rawelement~RawElement} The created element.\n\t */\n\tcreateRawElement( name, attributes, renderFunction, options = {} ) {\n\t\tconst rawElement = new RawElement( this.document, name, attributes );\n\n\t\trawElement.render = renderFunction || ( () => {} );\n\n\t\tif ( options.isAllowedInsideAttributeElement !== undefined ) {\n\t\t\trawElement._isAllowedInsideAttributeElement = options.isAllowedInsideAttributeElement;\n\t\t}\n\n\t\tif ( options.renderUnsafeAttributes ) {\n\t\t\trawElement._unsafeAttributesToRender.push( ...options.renderUnsafeAttributes );\n\t\t}\n\n\t\treturn rawElement;\n\t}\n\n\t/**\n\t * Adds or overwrites the element's attribute with a specified key and value.\n\t *\n\t *\t\twriter.setAttribute( 'href', 'http://ckeditor.com', linkElement );\n\t *\n\t * @param {String} key The attribute key.\n\t * @param {String} value The attribute value.\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tsetAttribute( key, value, element ) {\n\t\telement._setAttribute( key, value );\n\t}\n\n\t/**\n\t * Removes attribute from the element.\n\t *\n\t *\t\twriter.removeAttribute( 'href', linkElement );\n\t *\n\t * @param {String} key Attribute key.\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tremoveAttribute( key, element ) {\n\t\telement._removeAttribute( key );\n\t}\n\n\t/**\n\t * Adds specified class to the element.\n\t *\n\t *\t\twriter.addClass( 'foo', linkElement );\n\t *\t\twriter.addClass( [ 'foo', 'bar' ], linkElement );\n\t *\n\t * @param {Array.<String>|String} className\n\t * @param {module:engine/view/element~Element} element\n\t */\n\taddClass( className, element ) {\n\t\telement._addClass( className );\n\t}\n\n\t/**\n\t * Removes specified class from the element.\n\t *\n\t *\t\twriter.removeClass( 'foo', linkElement );\n\t *\t\twriter.removeClass( [ 'foo', 'bar' ], linkElement );\n\t *\n\t * @param {Array.<String>|String} className\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tremoveClass( className, element ) {\n\t\telement._removeClass( className );\n\t}\n\n\t/**\n\t * Adds style to the element.\n\t *\n\t *\t\twriter.setStyle( 'color', 'red', element );\n\t *\t\twriter.setStyle( {\n\t *\t\t\tcolor: 'red',\n\t *\t\t\tposition: 'fixed'\n\t *\t\t}, element );\n\t *\n\t * **Note**: The passed style can be normalized if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#set `StylesMap#set()`} for details.\n\t *\n\t * @param {String|Object} property Property name or object with key - value pairs.\n\t * @param {String} [value] Value to set. This parameter is ignored if object is provided as the first parameter.\n\t * @param {module:engine/view/element~Element} element Element to set styles on.\n\t */\n\tsetStyle( property, value, element ) {\n\t\tif ( isPlainObject( property ) && element === undefined ) {\n\t\t\telement = value;\n\t\t}\n\n\t\telement._setStyle( property, value );\n\t}\n\n\t/**\n\t * Removes specified style from the element.\n\t *\n\t *\t\twriter.removeStyle( 'color', element ); // Removes 'color' style.\n\t *\t\twriter.removeStyle( [ 'color', 'border-top' ], element ); // Removes both 'color' and 'border-top' styles.\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#remove `StylesMap#remove()`} for details.\n\t *\n\t * @param {Array.<String>|String} property\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tremoveStyle( property, element ) {\n\t\telement._removeStyle( property );\n\t}\n\n\t/**\n\t * Sets a custom property on element. Unlike attributes, custom properties are not rendered to the DOM,\n\t * so they can be used to add special data to elements.\n\t *\n\t * @param {String|Symbol} key\n\t * @param {*} value\n\t * @param {module:engine/view/element~Element} element\n\t */\n\tsetCustomProperty( key, value, element ) {\n\t\telement._setCustomProperty( key, value );\n\t}\n\n\t/**\n\t * Removes a custom property stored under the given key.\n\t *\n\t * @param {String|Symbol} key\n\t * @param {module:engine/view/element~Element} element\n\t * @returns {Boolean} Returns true if property was removed.\n\t */\n\tremoveCustomProperty( key, element ) {\n\t\treturn element._removeCustomProperty( key );\n\t}\n\n\t/**\n\t * Breaks attribute elements at the provided position or at the boundaries of a provided range. It breaks attribute elements\n\t * up to their first ancestor that is a container element.\n\t *\n\t * In following examples `<p>` is a container, `<b>` and `<u>` are attribute elements:\n\t *\n\t *\t\t<p>foo<b><u>bar{}</u></b></p> -> <p>foo<b><u>bar</u></b>[]</p>\n\t *\t\t<p>foo<b><u>{}bar</u></b></p> -> <p>foo{}<b><u>bar</u></b></p>\n\t *\t\t<p>foo<b><u>b{}ar</u></b></p> -> <p>foo<b><u>b</u></b>[]<b><u>ar</u></b></p>\n\t *\t\t<p><b>fo{o</b><u>ba}r</u></p> -> <p><b>fo</b><b>o</b><u>ba</u><u>r</u></b></p>\n\t *\n\t * **Note:** {@link module:engine/view/documentfragment~DocumentFragment DocumentFragment} is treated like a container.\n\t *\n\t * **Note:** The difference between {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes breakAttributes()} and\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakContainer breakContainer()} is that `breakAttributes()` breaks all\n\t * {@link module:engine/view/attributeelement~AttributeElement attribute elements} that are ancestors of a given `position`,\n\t * up to the first encountered {@link module:engine/view/containerelement~ContainerElement container element}.\n\t * `breakContainer()` assumes that a given `position` is directly in the container element and breaks that container element.\n\t *\n\t * Throws the `view-writer-invalid-range-container` {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * when the {@link module:engine/view/range~Range#start start}\n\t * and {@link module:engine/view/range~Range#end end} positions of a passed range are not placed inside same parent container.\n\t *\n\t * Throws the `view-writer-cannot-break-empty-element` {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * when trying to break attributes inside an {@link module:engine/view/emptyelement~EmptyElement EmptyElement}.\n\t *\n\t * Throws the `view-writer-cannot-break-ui-element` {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * when trying to break attributes inside a {@link module:engine/view/uielement~UIElement UIElement}.\n\t *\n\t * @see module:engine/view/attributeelement~AttributeElement\n\t * @see module:engine/view/containerelement~ContainerElement\n\t * @see module:engine/view/downcastwriter~DowncastWriter#breakContainer\n\t * @param {module:engine/view/position~Position|module:engine/view/range~Range} positionOrRange The position where\n\t * to break attribute elements.\n\t * @returns {module:engine/view/position~Position|module:engine/view/range~Range} The new position or range, after breaking the\n\t * attribute elements.\n\t */\n\tbreakAttributes( positionOrRange ) {\n\t\tif ( positionOrRange instanceof Position ) {\n\t\t\treturn this._breakAttributes( positionOrRange );\n\t\t} else {\n\t\t\treturn this._breakAttributesRange( positionOrRange );\n\t\t}\n\t}\n\n\t/**\n\t * Breaks a {@link module:engine/view/containerelement~ContainerElement container view element} into two, at the given position.\n\t * The position has to be directly inside the container element and cannot be in the root. It does not break the conrainer view element\n\t * if the position is at the beginning or at the end of its parent element.\n\t *\n\t *\t\t<p>foo^bar</p> -> <p>foo</p><p>bar</p>\n\t *\t\t<div><p>foo</p>^<p>bar</p></div> -> <div><p>foo</p></div><div><p>bar</p></div>\n\t *\t\t<p>^foobar</p> -> ^<p>foobar</p>\n\t *\t\t<p>foobar^</p> -> <p>foobar</p>^\n\t *\n\t * **Note:** The difference between {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes breakAttributes()} and\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakContainer breakContainer()} is that `breakAttributes()` breaks all\n\t * {@link module:engine/view/attributeelement~AttributeElement attribute elements} that are ancestors of a given `position`,\n\t * up to the first encountered {@link module:engine/view/containerelement~ContainerElement container element}.\n\t * `breakContainer()` assumes that the given `position` is directly in the container element and breaks that container element.\n\t *\n\t * @see module:engine/view/attributeelement~AttributeElement\n\t * @see module:engine/view/containerelement~ContainerElement\n\t * @see module:engine/view/downcastwriter~DowncastWriter#breakAttributes\n\t * @param {module:engine/view/position~Position} position The position where to break the element.\n\t * @returns {module:engine/view/position~Position} The position between broken elements. If an element has not been broken,\n\t * the returned position is placed either before or after it.\n\t */\n\tbreakContainer( position ) {\n\t\tconst element = position.parent;\n\n\t\tif ( !( element.is( 'containerElement' ) ) ) {\n\t\t\t/**\n\t\t\t * Trying to break an element which is not a container element.\n\t\t\t *\n\t\t\t * @error view-writer-break-non-container-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-break-non-container-element', this.document );\n\t\t}\n\n\t\tif ( !element.parent ) {\n\t\t\t/**\n\t\t\t * Trying to break root element.\n\t\t\t *\n\t\t\t * @error view-writer-break-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-break-root', this.document );\n\t\t}\n\n\t\tif ( position.isAtStart ) {\n\t\t\treturn Position._createBefore( element );\n\t\t} else if ( !position.isAtEnd ) {\n\t\t\tconst newElement = element._clone( false );\n\n\t\t\tthis.insert( Position._createAfter( element ), newElement );\n\n\t\t\tconst sourceRange = new Range( position, Position._createAt( element, 'end' ) );\n\t\t\tconst targetPosition = new Position( newElement, 0 );\n\n\t\t\tthis.move( sourceRange, targetPosition );\n\t\t}\n\n\t\treturn Position._createAfter( element );\n\t}\n\n\t/**\n\t * Merges {@link module:engine/view/attributeelement~AttributeElement attribute elements}. It also merges text nodes if needed.\n\t * Only {@link module:engine/view/attributeelement~AttributeElement#isSimilar similar} attribute elements can be merged.\n\t *\n\t * In following examples `<p>` is a container and `<b>` is an attribute element:\n\t *\n\t *\t\t<p>foo[]bar</p> -> <p>foo{}bar</p>\n\t *\t\t<p><b>foo</b>[]<b>bar</b></p> -> <p><b>foo{}bar</b></p>\n\t *\t\t<p><b foo=\"bar\">a</b>[]<b foo=\"baz\">b</b></p> -> <p><b foo=\"bar\">a</b>[]<b foo=\"baz\">b</b></p>\n\t *\n\t * It will also take care about empty attributes when merging:\n\t *\n\t *\t\t<p><b>[]</b></p> -> <p>[]</p>\n\t *\t\t<p><b>foo</b><i>[]</i><b>bar</b></p> -> <p><b>foo{}bar</b></p>\n\t *\n\t * **Note:** Difference between {@link module:engine/view/downcastwriter~DowncastWriter#mergeAttributes mergeAttributes} and\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#mergeContainers mergeContainers} is that `mergeAttributes` merges two\n\t * {@link module:engine/view/attributeelement~AttributeElement attribute elements} or {@link module:engine/view/text~Text text nodes}\n\t * while `mergeContainer` merges two {@link module:engine/view/containerelement~ContainerElement container elements}.\n\t *\n\t * @see module:engine/view/attributeelement~AttributeElement\n\t * @see module:engine/view/containerelement~ContainerElement\n\t * @see module:engine/view/downcastwriter~DowncastWriter#mergeContainers\n\t * @param {module:engine/view/position~Position} position Merge position.\n\t * @returns {module:engine/view/position~Position} Position after merge.\n\t */\n\tmergeAttributes( position ) {\n\t\tconst positionOffset = position.offset;\n\t\tconst positionParent = position.parent;\n\n\t\t// When inside text node - nothing to merge.\n\t\tif ( positionParent.is( '$text' ) ) {\n\t\t\treturn position;\n\t\t}\n\n\t\t// When inside empty attribute - remove it.\n\t\tif ( positionParent.is( 'attributeElement' ) && positionParent.childCount === 0 ) {\n\t\t\tconst parent = positionParent.parent;\n\t\t\tconst offset = positionParent.index;\n\n\t\t\tpositionParent._remove();\n\t\t\tthis._removeFromClonedElementsGroup( positionParent );\n\n\t\t\treturn this.mergeAttributes( new Position( parent, offset ) );\n\t\t}\n\n\t\tconst nodeBefore = positionParent.getChild( positionOffset - 1 );\n\t\tconst nodeAfter = positionParent.getChild( positionOffset );\n\n\t\t// Position should be placed between two nodes.\n\t\tif ( !nodeBefore || !nodeAfter ) {\n\t\t\treturn position;\n\t\t}\n\n\t\t// When position is between two text nodes.\n\t\tif ( nodeBefore.is( '$text' ) && nodeAfter.is( '$text' ) ) {\n\t\t\treturn mergeTextNodes( nodeBefore, nodeAfter );\n\t\t}\n\t\t// When position is between two same attribute elements.\n\t\telse if ( nodeBefore.is( 'attributeElement' ) && nodeAfter.is( 'attributeElement' ) && nodeBefore.isSimilar( nodeAfter ) ) {\n\t\t\t// Move all children nodes from node placed after selection and remove that node.\n\t\t\tconst count = nodeBefore.childCount;\n\t\t\tnodeBefore._appendChild( nodeAfter.getChildren() );\n\n\t\t\tnodeAfter._remove();\n\t\t\tthis._removeFromClonedElementsGroup( nodeAfter );\n\n\t\t\t// New position is located inside the first node, before new nodes.\n\t\t\t// Call this method recursively to merge again if needed.\n\t\t\treturn this.mergeAttributes( new Position( nodeBefore, count ) );\n\t\t}\n\n\t\treturn position;\n\t}\n\n\t/**\n\t * Merges two {@link module:engine/view/containerelement~ContainerElement container elements} that are before and after given position.\n\t * Precisely, the element after the position is removed and it's contents are moved to element before the position.\n\t *\n\t *\t\t<p>foo</p>^<p>bar</p> -> <p>foo^bar</p>\n\t *\t\t<div>foo</div>^<p>bar</p> -> <div>foo^bar</div>\n\t *\n\t * **Note:** Difference between {@link module:engine/view/downcastwriter~DowncastWriter#mergeAttributes mergeAttributes} and\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#mergeContainers mergeContainers} is that `mergeAttributes` merges two\n\t * {@link module:engine/view/attributeelement~AttributeElement attribute elements} or {@link module:engine/view/text~Text text nodes}\n\t * while `mergeContainer` merges two {@link module:engine/view/containerelement~ContainerElement container elements}.\n\t *\n\t * @see module:engine/view/attributeelement~AttributeElement\n\t * @see module:engine/view/containerelement~ContainerElement\n\t * @see module:engine/view/downcastwriter~DowncastWriter#mergeAttributes\n\t * @param {module:engine/view/position~Position} position Merge position.\n\t * @returns {module:engine/view/position~Position} Position after merge.\n\t */\n\tmergeContainers( position ) {\n\t\tconst prev = position.nodeBefore;\n\t\tconst next = position.nodeAfter;\n\n\t\tif ( !prev || !next || !prev.is( 'containerElement' ) || !next.is( 'containerElement' ) ) {\n\t\t\t/**\n\t\t\t * Element before and after given position cannot be merged.\n\t\t\t *\n\t\t\t * @error view-writer-merge-containers-invalid-position\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-merge-containers-invalid-position', this.document );\n\t\t}\n\n\t\tconst lastChild = prev.getChild( prev.childCount - 1 );\n\t\tconst newPosition = lastChild instanceof Text ? Position._createAt( lastChild, 'end' ) : Position._createAt( prev, 'end' );\n\n\t\tthis.move( Range._createIn( next ), Position._createAt( prev, 'end' ) );\n\t\tthis.remove( Range._createOn( next ) );\n\n\t\treturn newPosition;\n\t}\n\n\t/**\n\t * Inserts a node or nodes at specified position. Takes care about breaking attributes before insertion\n\t * and merging them afterwards.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-insert-invalid-node` when nodes to insert\n\t * contains instances that are not {@link module:engine/view/text~Text Texts},\n\t * {@link module:engine/view/attributeelement~AttributeElement AttributeElements},\n\t * {@link module:engine/view/containerelement~ContainerElement ContainerElements},\n\t * {@link module:engine/view/emptyelement~EmptyElement EmptyElements},\n\t * {@link module:engine/view/rawelement~RawElement RawElements} or\n\t * {@link module:engine/view/uielement~UIElement UIElements}.\n\t *\n\t * @param {module:engine/view/position~Position} position Insertion position.\n\t * @param {module:engine/view/text~Text|module:engine/view/attributeelement~AttributeElement|\n\t * module:engine/view/containerelement~ContainerElement|module:engine/view/emptyelement~EmptyElement|\n\t * module:engine/view/rawelement~RawElement|module:engine/view/uielement~UIElement|\n\t * Iterable.<module:engine/view/text~Text|\n\t * module:engine/view/attributeelement~AttributeElement|module:engine/view/containerelement~ContainerElement|\n\t * module:engine/view/emptyelement~EmptyElement|module:engine/view/rawelement~RawElement|\n\t * module:engine/view/uielement~UIElement>} nodes Node or nodes to insert.\n\t * @returns {module:engine/view/range~Range} Range around inserted nodes.\n\t */\n\tinsert( position, nodes ) {\n\t\tnodes = isIterable( nodes ) ? [ ...nodes ] : [ nodes ];\n\n\t\t// Check if nodes to insert are instances of AttributeElements, ContainerElements, EmptyElements, UIElements or Text.\n\t\tvalidateNodesToInsert( nodes, this.document );\n\n\t\t// Group nodes in batches of nodes that require or do not require breaking an AttributeElements.\n\t\tconst nodeGroups = nodes.reduce( ( groups, node ) => {\n\t\t\tconst lastGroup = groups[ groups.length - 1 ];\n\n\t\t\t// Break attributes on nodes that do exist in the model tree so they can have attributes, other elements\n\t\t\t// can't have an attribute in model and won't get wrapped with an AttributeElement while down-casted.\n\t\t\tconst breakAttributes = !( node.is( 'uiElement' ) && node.isAllowedInsideAttributeElement );\n\n\t\t\tif ( !lastGroup || lastGroup.breakAttributes != breakAttributes ) {\n\t\t\t\tgroups.push( {\n\t\t\t\t\tbreakAttributes,\n\t\t\t\t\tnodes: [ node ]\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\tlastGroup.nodes.push( node );\n\t\t\t}\n\n\t\t\treturn groups;\n\t\t}, [] );\n\n\t\t// Insert nodes in batches.\n\t\tlet start = null;\n\t\tlet end = position;\n\n\t\tfor ( const { nodes, breakAttributes } of nodeGroups ) {\n\t\t\tconst range = this._insertNodes( end, nodes, breakAttributes );\n\n\t\t\tif ( !start ) {\n\t\t\t\tstart = range.start;\n\t\t\t}\n\n\t\t\tend = range.end;\n\t\t}\n\n\t\t// When no nodes were inserted - return collapsed range.\n\t\tif ( !start ) {\n\t\t\treturn new Range( position );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Removes provided range from the container.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions are not placed inside\n\t * same parent container.\n\t *\n\t * @param {module:engine/view/range~Range|module:engine/view/item~Item} rangeOrItem Range to remove from container\n\t * or an {@link module:engine/view/item~Item item} to remove. If range is provided, after removing, it will be updated\n\t * to a collapsed range showing the new position.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} Document fragment containing removed nodes.\n\t */\n\tremove( rangeOrItem ) {\n\t\tconst range = rangeOrItem instanceof Range ? rangeOrItem : Range._createOn( rangeOrItem );\n\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\t// If range is collapsed - nothing to remove.\n\t\tif ( range.isCollapsed ) {\n\t\t\treturn new DocumentFragment( this.document );\n\t\t}\n\n\t\t// Break attributes at range start and end.\n\t\tconst { start: breakStart, end: breakEnd } = this._breakAttributesRange( range, true );\n\t\tconst parentContainer = breakStart.parent;\n\n\t\tconst count = breakEnd.offset - breakStart.offset;\n\n\t\t// Remove nodes in range.\n\t\tconst removed = parentContainer._removeChildren( breakStart.offset, count );\n\n\t\tfor ( const node of removed ) {\n\t\t\tthis._removeFromClonedElementsGroup( node );\n\t\t}\n\n\t\t// Merge after removing.\n\t\tconst mergePosition = this.mergeAttributes( breakStart );\n\t\trange.start = mergePosition;\n\t\trange.end = mergePosition.clone();\n\n\t\t// Return removed nodes.\n\t\treturn new DocumentFragment( this.document, removed );\n\t}\n\n\t/**\n\t * Removes matching elements from given range.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions are not placed inside\n\t * same parent container.\n\t *\n\t * @param {module:engine/view/range~Range} range Range to clear.\n\t * @param {module:engine/view/element~Element} element Element to remove.\n\t */\n\tclear( range, element ) {\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\t// Create walker on given range.\n\t\t// We walk backward because when we remove element during walk it modifies range end position.\n\t\tconst walker = range.getWalker( {\n\t\t\tdirection: 'backward',\n\t\t\tignoreElementEnd: true\n\t\t} );\n\n\t\t// Let's walk.\n\t\tfor ( const current of walker ) {\n\t\t\tconst item = current.item;\n\t\t\tlet rangeToRemove;\n\n\t\t\t// When current item matches to the given element.\n\t\t\tif ( item.is( 'element' ) && element.isSimilar( item ) ) {\n\t\t\t\t// Create range on this element.\n\t\t\t\trangeToRemove = Range._createOn( item );\n\t\t\t\t// When range starts inside Text or TextProxy element.\n\t\t\t} else if ( !current.nextPosition.isAfter( range.start ) && item.is( '$textProxy' ) ) {\n\t\t\t\t// We need to check if parent of this text matches to given element.\n\t\t\t\tconst parentElement = item.getAncestors().find( ancestor => {\n\t\t\t\t\treturn ancestor.is( 'element' ) && element.isSimilar( ancestor );\n\t\t\t\t} );\n\n\t\t\t\t// If it is then create range inside this element.\n\t\t\t\tif ( parentElement ) {\n\t\t\t\t\trangeToRemove = Range._createIn( parentElement );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If we have found element to remove.\n\t\t\tif ( rangeToRemove ) {\n\t\t\t\t// We need to check if element range stick out of the given range and truncate if it is.\n\t\t\t\tif ( rangeToRemove.end.isAfter( range.end ) ) {\n\t\t\t\t\trangeToRemove.end = range.end;\n\t\t\t\t}\n\n\t\t\t\tif ( rangeToRemove.start.isBefore( range.start ) ) {\n\t\t\t\t\trangeToRemove.start = range.start;\n\t\t\t\t}\n\n\t\t\t\t// At the end we remove range with found element.\n\t\t\t\tthis.remove( rangeToRemove );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Moves nodes from provided range to target position.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions are not placed inside\n\t * same parent container.\n\t *\n\t * @param {module:engine/view/range~Range} sourceRange Range containing nodes to move.\n\t * @param {module:engine/view/position~Position} targetPosition Position to insert.\n\t * @returns {module:engine/view/range~Range} Range in target container. Inserted nodes are placed between\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions.\n\t */\n\tmove( sourceRange, targetPosition ) {\n\t\tlet nodes;\n\n\t\tif ( targetPosition.isAfter( sourceRange.end ) ) {\n\t\t\ttargetPosition = this._breakAttributes( targetPosition, true );\n\n\t\t\tconst parent = targetPosition.parent;\n\t\t\tconst countBefore = parent.childCount;\n\n\t\t\tsourceRange = this._breakAttributesRange( sourceRange, true );\n\n\t\t\tnodes = this.remove( sourceRange );\n\n\t\t\ttargetPosition.offset += ( parent.childCount - countBefore );\n\t\t} else {\n\t\t\tnodes = this.remove( sourceRange );\n\t\t}\n\n\t\treturn this.insert( targetPosition, nodes );\n\t}\n\n\t/**\n\t * Wraps elements within range with provided {@link module:engine/view/attributeelement~AttributeElement AttributeElement}.\n\t * If a collapsed range is provided, it will be wrapped only if it is equal to view selection.\n\t *\n\t * If a collapsed range was passed and is same as selection, the selection\n\t * will be moved to the inside of the wrapped attribute element.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-invalid-range-container`\n\t * when {@link module:engine/view/range~Range#start}\n\t * and {@link module:engine/view/range~Range#end} positions are not placed inside same parent container.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-wrap-invalid-attribute` when passed attribute element is not\n\t * an instance of {@link module:engine/view/attributeelement~AttributeElement AttributeElement}.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-wrap-nonselection-collapsed-range` when passed range\n\t * is collapsed and different than view selection.\n\t *\n\t * **Note:** Attribute elements by default can wrap {@link module:engine/view/text~Text},\n\t * {@link module:engine/view/emptyelement~EmptyElement}, {@link module:engine/view/uielement~UIElement},\n\t * {@link module:engine/view/rawelement~RawElement} and other attribute elements with higher priority. Other elements while placed\n\t * inside an attribute element will split it (or nest it in case of an `AttributeElement`). This behavior can be modified by changing\n\t * the `isAllowedInsideAttributeElement` option while using\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#createContainerElement},\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#createEmptyElement},\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement} or\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#createRawElement}.\n\t *\n\t * @param {module:engine/view/range~Range} range Range to wrap.\n\t * @param {module:engine/view/attributeelement~AttributeElement} attribute Attribute element to use as wrapper.\n\t * @returns {module:engine/view/range~Range} range Range after wrapping, spanning over wrapping attribute element.\n\t */\n\twrap( range, attribute ) {\n\t\tif ( !( attribute instanceof AttributeElement ) ) {\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-writer-wrap-invalid-attribute',\n\t\t\t\tthis.document\n\t\t\t);\n\t\t}\n\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\tif ( !range.isCollapsed ) {\n\t\t\t// Non-collapsed range. Wrap it with the attribute element.\n\t\t\treturn this._wrapRange( range, attribute );\n\t\t} else {\n\t\t\t// Collapsed range. Wrap position.\n\t\t\tlet position = range.start;\n\n\t\t\tif ( position.parent.is( 'element' ) && !_hasNonUiChildren( position.parent ) ) {\n\t\t\t\tposition = position.getLastMatchingPosition( value => value.item.is( 'uiElement' ) );\n\t\t\t}\n\n\t\t\tposition = this._wrapPosition( position, attribute );\n\t\t\tconst viewSelection = this.document.selection;\n\n\t\t\t// If wrapping position is equal to view selection, move view selection inside wrapping attribute element.\n\t\t\tif ( viewSelection.isCollapsed && viewSelection.getFirstPosition().isEqual( range.start ) ) {\n\t\t\t\tthis.setSelection( position );\n\t\t\t}\n\n\t\t\treturn new Range( position );\n\t\t}\n\t}\n\n\t/**\n\t * Unwraps nodes within provided range from attribute element.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when\n\t * {@link module:engine/view/range~Range#start start} and {@link module:engine/view/range~Range#end end} positions are not placed inside\n\t * same parent container.\n\t *\n\t * @param {module:engine/view/range~Range} range\n\t * @param {module:engine/view/attributeelement~AttributeElement} attribute\n\t */\n\tunwrap( range, attribute ) {\n\t\tif ( !( attribute instanceof AttributeElement ) ) {\n\t\t\t/**\n\t\t\t * The `attribute` passed to {@link module:engine/view/downcastwriter~DowncastWriter#unwrap `DowncastWriter#unwrap()`}\n\t\t\t * must be an instance of {@link module:engine/view/attributeelement~AttributeElement `AttributeElement`}.\n\t\t\t *\n\t\t\t * @error view-writer-unwrap-invalid-attribute\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-writer-unwrap-invalid-attribute',\n\t\t\t\tthis.document\n\t\t\t);\n\t\t}\n\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\t// If range is collapsed - nothing to unwrap.\n\t\tif ( range.isCollapsed ) {\n\t\t\treturn range;\n\t\t}\n\n\t\t// Break attributes at range start and end.\n\t\tconst { start: breakStart, end: breakEnd } = this._breakAttributesRange( range, true );\n\t\tconst parentContainer = breakStart.parent;\n\n\t\t// Unwrap children located between break points.\n\t\tconst newRange = this._unwrapChildren( parentContainer, breakStart.offset, breakEnd.offset, attribute );\n\n\t\t// Merge attributes at the both ends and return a new range.\n\t\tconst start = this.mergeAttributes( newRange.start );\n\n\t\t// If start position was merged - move end position back.\n\t\tif ( !start.isEqual( newRange.start ) ) {\n\t\t\tnewRange.end.offset--;\n\t\t}\n\n\t\tconst end = this.mergeAttributes( newRange.end );\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Renames element by creating a copy of renamed element but with changed name and then moving contents of the\n\t * old element to the new one. Keep in mind that this will invalidate all {@link module:engine/view/position~Position positions} which\n\t * has renamed element as {@link module:engine/view/position~Position#parent a parent}.\n\t *\n\t * New element has to be created because `Element#tagName` property in DOM is readonly.\n\t *\n\t * Since this function creates a new element and removes the given one, the new element is returned to keep reference.\n\t *\n\t * @param {String} newName New name for element.\n\t * @param {module:engine/view/containerelement~ContainerElement} viewElement Element to be renamed.\n\t * @returns {module:engine/view/containerelement~ContainerElement} Element created due to rename.\n\t */\n\trename( newName, viewElement ) {\n\t\tconst newElement = new ContainerElement( this.document, newName, viewElement.getAttributes() );\n\n\t\tthis.insert( Position._createAfter( viewElement ), newElement );\n\t\tthis.move( Range._createIn( viewElement ), Position._createAt( newElement, 0 ) );\n\t\tthis.remove( Range._createOn( viewElement ) );\n\n\t\treturn newElement;\n\t}\n\n\t/**\n\t * Cleans up memory by removing obsolete cloned elements group from the writer.\n\t *\n\t * Should be used whenever all {@link module:engine/view/attributeelement~AttributeElement attribute elements}\n\t * with the same {@link module:engine/view/attributeelement~AttributeElement#id id} are going to be removed from the view and\n\t * the group will no longer be needed.\n\t *\n\t * Cloned elements group are not removed automatically in case if the group is still needed after all its elements\n\t * were removed from the view.\n\t *\n\t * Keep in mind that group names are equal to the `id` property of the attribute element.\n\t *\n\t * @param {String} groupName Name of the group to clear.\n\t */\n\tclearClonedElementsGroup( groupName ) {\n\t\tthis._cloneGroups.delete( groupName );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/view/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/view/item~Item view item} and `'before'` or `'after'` (sets position before or after given view item).\n\t *\n\t * This method is a shortcut to other constructors such as:\n\t *\n\t * * {@link #createPositionBefore},\n\t * * {@link #createPositionAfter},\n\t *\n\t * @param {module:engine/view/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn Position._createAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new position after given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item after which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn Position._createAfter( item );\n\t}\n\n\t/**\n\t * Creates a new position before given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item before which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn Position._createBefore( item );\n\t}\n\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * **Note:** This factory method creates its own {@link module:engine/view/position~Position} instances basing on passed values.\n\t *\n\t * @param {module:engine/view/position~Position} start Start position.\n\t * @param {module:engine/view/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/view/item~Item view item} and ends after it.\n\t *\n\t * @param {module:engine/view/item~Item} item\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeOn( item ) {\n\t\treturn Range._createOn( item );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @param {module:engine/view/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn Range._createIn( element );\n\t}\n\n\t/**\n\t Creates new {@link module:engine/view/selection~Selection} instance.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the document selection.\n\t *\t\tconst selection = writer.createSelection( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'p' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s constructor allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = writer.createSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t * @returns {module:engine/view/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn new Selection( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Inserts a node or nodes at the specified position. Takes care of breaking attributes before insertion\n\t * and merging them afterwards if requested by the breakAttributes param.\n\t *\n\t * @private\n\t * @param {module:engine/view/position~Position} position Insertion position.\n\t * @param {module:engine/view/text~Text|module:engine/view/attributeelement~AttributeElement|\n\t * module:engine/view/containerelement~ContainerElement|module:engine/view/emptyelement~EmptyElement|\n\t * module:engine/view/rawelement~RawElement|module:engine/view/uielement~UIElement|\n\t * Iterable.<module:engine/view/text~Text|\n\t * module:engine/view/attributeelement~AttributeElement|module:engine/view/containerelement~ContainerElement|\n\t * module:engine/view/emptyelement~EmptyElement|module:engine/view/rawelement~RawElement|\n\t * module:engine/view/uielement~UIElement>} nodes Node or nodes to insert.\n\t * @param {Boolean} breakAttributes Whether attributes should be broken.\n\t * @returns {module:engine/view/range~Range} Range around inserted nodes.\n\t */\n\t_insertNodes( position, nodes, breakAttributes ) {\n\t\tlet parentElement;\n\n\t\t// Break attributes on nodes that do exist in the model tree so they can have attributes, other elements\n\t\t// can't have an attribute in model and won't get wrapped with an AttributeElement while down-casted.\n\t\tif ( breakAttributes ) {\n\t\t\tparentElement = getParentContainer( position );\n\t\t} else {\n\t\t\tparentElement = position.parent.is( '$text' ) ? position.parent.parent : position.parent;\n\t\t}\n\n\t\tif ( !parentElement ) {\n\t\t\t/**\n\t\t\t * Position's parent container cannot be found.\n\t\t\t *\n\t\t\t * @error view-writer-invalid-position-container\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'view-writer-invalid-position-container',\n\t\t\t\tthis.document\n\t\t\t);\n\t\t}\n\n\t\tlet insertionPosition;\n\n\t\tif ( breakAttributes ) {\n\t\t\tinsertionPosition = this._breakAttributes( position, true );\n\t\t} else {\n\t\t\tinsertionPosition = position.parent.is( '$text' ) ? breakTextNode( position ) : position;\n\t\t}\n\n\t\tconst length = parentElement._insertChild( insertionPosition.offset, nodes );\n\n\t\tfor ( const node of nodes ) {\n\t\t\tthis._addToClonedElementsGroup( node );\n\t\t}\n\n\t\tconst endPosition = insertionPosition.getShiftedBy( length );\n\t\tconst start = this.mergeAttributes( insertionPosition );\n\n\t\t// If start position was merged - move end position.\n\t\tif ( !start.isEqual( insertionPosition ) ) {\n\t\t\tendPosition.offset--;\n\t\t}\n\n\t\tconst end = this.mergeAttributes( endPosition );\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Wraps children with provided `wrapElement`. Only children contained in `parent` element between\n\t * `startOffset` and `endOffset` will be wrapped.\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} parent\n\t * @param {Number} startOffset\n\t * @param {Number} endOffset\n\t * @param {module:engine/view/element~Element} wrapElement\n\t */\n\t_wrapChildren( parent, startOffset, endOffset, wrapElement ) {\n\t\tlet i = startOffset;\n\t\tconst wrapPositions = [];\n\n\t\twhile ( i < endOffset ) {\n\t\t\tconst child = parent.getChild( i );\n\t\t\tconst isText = child.is( '$text' );\n\t\t\tconst isAttribute = child.is( 'attributeElement' );\n\t\t\tconst isAllowedInsideAttributeElement = child.isAllowedInsideAttributeElement;\n\n\t\t\t//\n\t\t\t// (In all examples, assume that `wrapElement` is `<span class=\"foo\">` element.)\n\t\t\t//\n\t\t\t// Check if `wrapElement` can be joined with the wrapped element. One of requirements is having same name.\n\t\t\t// If possible, join elements.\n\t\t\t//\n\t\t\t// <p><span class=\"bar\">abc</span></p>  -->  <p><span class=\"foo bar\">abc</span></p>\n\t\t\t//\n\t\t\tif ( isAttribute && this._wrapAttributeElement( wrapElement, child ) ) {\n\t\t\t\twrapPositions.push( new Position( parent, i ) );\n\t\t\t}\n\t\t\t//\n\t\t\t// Wrap the child if it is not an attribute element or if it is an attribute element that should be inside\n\t\t\t// `wrapElement` (due to priority).\n\t\t\t//\n\t\t\t// <p>abc</p>                   -->  <p><span class=\"foo\">abc</span></p>\n\t\t\t// <p><strong>abc</strong></p>  -->  <p><span class=\"foo\"><strong>abc</strong></span></p>\n\t\t\telse if ( isText || isAllowedInsideAttributeElement || ( isAttribute && shouldABeOutsideB( wrapElement, child ) ) ) {\n\t\t\t\t// Clone attribute.\n\t\t\t\tconst newAttribute = wrapElement._clone();\n\n\t\t\t\t// Wrap current node with new attribute.\n\t\t\t\tchild._remove();\n\t\t\t\tnewAttribute._appendChild( child );\n\n\t\t\t\tparent._insertChild( i, newAttribute );\n\t\t\t\tthis._addToClonedElementsGroup( newAttribute );\n\n\t\t\t\twrapPositions.push( new Position( parent, i ) );\n\t\t\t}\n\t\t\t//\n\t\t\t// If other nested attribute is found and it wasn't wrapped (see above), continue wrapping inside it.\n\t\t\t//\n\t\t\t// <p><a href=\"foo.html\">abc</a></p>  -->  <p><a href=\"foo.html\"><span class=\"foo\">abc</span></a></p>\n\t\t\t//\n\t\t\telse if ( isAttribute ) {\n\t\t\t\tthis._wrapChildren( child, 0, child.childCount, wrapElement );\n\t\t\t}\n\n\t\t\ti++;\n\t\t}\n\n\t\t// Merge at each wrap.\n\t\tlet offsetChange = 0;\n\n\t\tfor ( const position of wrapPositions ) {\n\t\t\tposition.offset -= offsetChange;\n\n\t\t\t// Do not merge with elements outside selected children.\n\t\t\tif ( position.offset == startOffset ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst newPosition = this.mergeAttributes( position );\n\n\t\t\t// If nodes were merged - other merge offsets will change.\n\t\t\tif ( !newPosition.isEqual( position ) ) {\n\t\t\t\toffsetChange++;\n\t\t\t\tendOffset--;\n\t\t\t}\n\t\t}\n\n\t\treturn Range._createFromParentsAndOffsets( parent, startOffset, parent, endOffset );\n\t}\n\n\t/**\n\t * Unwraps children from provided `unwrapElement`. Only children contained in `parent` element between\n\t * `startOffset` and `endOffset` will be unwrapped.\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} parent\n\t * @param {Number} startOffset\n\t * @param {Number} endOffset\n\t * @param {module:engine/view/element~Element} unwrapElement\n\t */\n\t_unwrapChildren( parent, startOffset, endOffset, unwrapElement ) {\n\t\tlet i = startOffset;\n\t\tconst unwrapPositions = [];\n\n\t\t// Iterate over each element between provided offsets inside parent.\n\t\t// We don't use tree walker or range iterator because we will be removing and merging potentially multiple nodes,\n\t\t// so it could get messy. It is safer to it manually in this case.\n\t\twhile ( i < endOffset ) {\n\t\t\tconst child = parent.getChild( i );\n\n\t\t\t// Skip all text nodes. There should be no container element's here either.\n\t\t\tif ( !child.is( 'attributeElement' ) ) {\n\t\t\t\ti++;\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//\n\t\t\t// (In all examples, assume that `unwrapElement` is `<span class=\"foo\">` element.)\n\t\t\t//\n\t\t\t// If the child is similar to the given attribute element, unwrap it - it will be completely removed.\n\t\t\t//\n\t\t\t// <p><span class=\"foo\">abc</span>xyz</p>  -->  <p>abcxyz</p>\n\t\t\t//\n\t\t\tif ( child.isSimilar( unwrapElement ) ) {\n\t\t\t\tconst unwrapped = child.getChildren();\n\t\t\t\tconst count = child.childCount;\n\n\t\t\t\t// Replace wrapper element with its children\n\t\t\t\tchild._remove();\n\t\t\t\tparent._insertChild( i, unwrapped );\n\n\t\t\t\tthis._removeFromClonedElementsGroup( child );\n\n\t\t\t\t// Save start and end position of moved items.\n\t\t\t\tunwrapPositions.push(\n\t\t\t\t\tnew Position( parent, i ),\n\t\t\t\t\tnew Position( parent, i + count )\n\t\t\t\t);\n\n\t\t\t\t// Skip elements that were unwrapped. Assuming there won't be another element to unwrap in child elements.\n\t\t\t\ti += count;\n\t\t\t\tendOffset += count - 1;\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//\n\t\t\t// If the child is not similar but is an attribute element, try partial unwrapping - remove the same attributes/styles/classes.\n\t\t\t// Partial unwrapping will happen only if the elements have the same name.\n\t\t\t//\n\t\t\t// <p><span class=\"foo bar\">abc</span>xyz</p>  -->  <p><span class=\"bar\">abc</span>xyz</p>\n\t\t\t// <p><i class=\"foo\">abc</i>xyz</p>            -->  <p><i class=\"foo\">abc</i>xyz</p>\n\t\t\t//\n\t\t\tif ( this._unwrapAttributeElement( unwrapElement, child ) ) {\n\t\t\t\tunwrapPositions.push(\n\t\t\t\t\tnew Position( parent, i ),\n\t\t\t\t\tnew Position( parent, i + 1 )\n\t\t\t\t);\n\n\t\t\t\ti++;\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//\n\t\t\t// If other nested attribute is found, look through it's children for elements to unwrap.\n\t\t\t//\n\t\t\t// <p><i><span class=\"foo\">abc</span></i><p>  -->  <p><i>abc</i><p>\n\t\t\t//\n\t\t\tthis._unwrapChildren( child, 0, child.childCount, unwrapElement );\n\n\t\t\ti++;\n\t\t}\n\n\t\t// Merge at each unwrap.\n\t\tlet offsetChange = 0;\n\n\t\tfor ( const position of unwrapPositions ) {\n\t\t\tposition.offset -= offsetChange;\n\n\t\t\t// Do not merge with elements outside selected children.\n\t\t\tif ( position.offset == startOffset || position.offset == endOffset ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst newPosition = this.mergeAttributes( position );\n\n\t\t\t// If nodes were merged - other merge offsets will change.\n\t\t\tif ( !newPosition.isEqual( position ) ) {\n\t\t\t\toffsetChange++;\n\t\t\t\tendOffset--;\n\t\t\t}\n\t\t}\n\n\t\treturn Range._createFromParentsAndOffsets( parent, startOffset, parent, endOffset );\n\t}\n\n\t/**\n\t * Helper function for `view.writer.wrap`. Wraps range with provided attribute element.\n\t * This method will also merge newly added attribute element with its siblings whenever possible.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-wrap-invalid-attribute` when passed attribute element is not\n\t * an instance of {@link module:engine/view/attributeelement~AttributeElement AttributeElement}.\n\t *\n\t * @private\n\t * @param {module:engine/view/range~Range} range\n\t * @param {module:engine/view/attributeelement~AttributeElement} attribute\n\t * @returns {module:engine/view/range~Range} New range after wrapping, spanning over wrapping attribute element.\n\t */\n\t_wrapRange( range, attribute ) {\n\t\t// Break attributes at range start and end.\n\t\tconst { start: breakStart, end: breakEnd } = this._breakAttributesRange( range, true );\n\t\tconst parentContainer = breakStart.parent;\n\n\t\t// Wrap all children with attribute.\n\t\tconst newRange = this._wrapChildren( parentContainer, breakStart.offset, breakEnd.offset, attribute );\n\n\t\t// Merge attributes at the both ends and return a new range.\n\t\tconst start = this.mergeAttributes( newRange.start );\n\n\t\t// If start position was merged - move end position back.\n\t\tif ( !start.isEqual( newRange.start ) ) {\n\t\t\tnewRange.end.offset--;\n\t\t}\n\t\tconst end = this.mergeAttributes( newRange.end );\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Helper function for {@link #wrap}. Wraps position with provided attribute element.\n\t * This method will also merge newly added attribute element with its siblings whenever possible.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError} `view-writer-wrap-invalid-attribute` when passed attribute element is not\n\t * an instance of {@link module:engine/view/attributeelement~AttributeElement AttributeElement}.\n\t *\n\t * @private\n\t * @param {module:engine/view/position~Position} position\n\t * @param {module:engine/view/attributeelement~AttributeElement} attribute\n\t * @returns {module:engine/view/position~Position} New position after wrapping.\n\t */\n\t_wrapPosition( position, attribute ) {\n\t\t// Return same position when trying to wrap with attribute similar to position parent.\n\t\tif ( attribute.isSimilar( position.parent ) ) {\n\t\t\treturn movePositionToTextNode( position.clone() );\n\t\t}\n\n\t\t// When position is inside text node - break it and place new position between two text nodes.\n\t\tif ( position.parent.is( '$text' ) ) {\n\t\t\tposition = breakTextNode( position );\n\t\t}\n\n\t\t// Create fake element that will represent position, and will not be merged with other attributes.\n\t\tconst fakePosition = this.createAttributeElement();\n\t\tfakePosition._priority = Number.POSITIVE_INFINITY;\n\t\tfakePosition.isSimilar = () => false;\n\n\t\t// Insert fake element in position location.\n\t\tposition.parent._insertChild( position.offset, fakePosition );\n\n\t\t// Range around inserted fake attribute element.\n\t\tconst wrapRange = new Range( position, position.getShiftedBy( 1 ) );\n\n\t\t// Wrap fake element with attribute (it will also merge if possible).\n\t\tthis.wrap( wrapRange, attribute );\n\n\t\t// Remove fake element and place new position there.\n\t\tconst newPosition = new Position( fakePosition.parent, fakePosition.index );\n\t\tfakePosition._remove();\n\n\t\t// If position is placed between text nodes - merge them and return position inside.\n\t\tconst nodeBefore = newPosition.nodeBefore;\n\t\tconst nodeAfter = newPosition.nodeAfter;\n\n\t\tif ( nodeBefore instanceof Text && nodeAfter instanceof Text ) {\n\t\t\treturn mergeTextNodes( nodeBefore, nodeAfter );\n\t\t}\n\n\t\t// If position is next to text node - move position inside.\n\t\treturn movePositionToTextNode( newPosition );\n\t}\n\n\t/**\n\t * \tWraps one {@link module:engine/view/attributeelement~AttributeElement AttributeElement} into another by\n\t * \tmerging them if possible. When merging is possible - all attributes, styles and classes are moved from wrapper\n\t * \telement to element being wrapped.\n\t *\n\t * \t@private\n\t * \t@param {module:engine/view/attributeelement~AttributeElement} wrapper Wrapper AttributeElement.\n\t * \t@param {module:engine/view/attributeelement~AttributeElement} toWrap AttributeElement to wrap using wrapper element.\n\t * \t@returns {Boolean} Returns `true` if elements are merged.\n\t */\n\t_wrapAttributeElement( wrapper, toWrap ) {\n\t\tif ( !canBeJoined( wrapper, toWrap ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Can't merge if name or priority differs.\n\t\tif ( wrapper.name !== toWrap.name || wrapper.priority !== toWrap.priority ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check if attributes can be merged.\n\t\tfor ( const key of wrapper.getAttributeKeys() ) {\n\t\t\t// Classes and styles should be checked separately.\n\t\t\tif ( key === 'class' || key === 'style' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// If some attributes are different we cannot wrap.\n\t\t\tif ( toWrap.hasAttribute( key ) && toWrap.getAttribute( key ) !== wrapper.getAttribute( key ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Check if styles can be merged.\n\t\tfor ( const key of wrapper.getStyleNames() ) {\n\t\t\tif ( toWrap.hasStyle( key ) && toWrap.getStyle( key ) !== wrapper.getStyle( key ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Move all attributes/classes/styles from wrapper to wrapped AttributeElement.\n\t\tfor ( const key of wrapper.getAttributeKeys() ) {\n\t\t\t// Classes and styles should be checked separately.\n\t\t\tif ( key === 'class' || key === 'style' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// Move only these attributes that are not present - other are similar.\n\t\t\tif ( !toWrap.hasAttribute( key ) ) {\n\t\t\t\tthis.setAttribute( key, wrapper.getAttribute( key ), toWrap );\n\t\t\t}\n\t\t}\n\n\t\tfor ( const key of wrapper.getStyleNames() ) {\n\t\t\tif ( !toWrap.hasStyle( key ) ) {\n\t\t\t\tthis.setStyle( key, wrapper.getStyle( key ), toWrap );\n\t\t\t}\n\t\t}\n\n\t\tfor ( const key of wrapper.getClassNames() ) {\n\t\t\tif ( !toWrap.hasClass( key ) ) {\n\t\t\t\tthis.addClass( key, toWrap );\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Unwraps {@link module:engine/view/attributeelement~AttributeElement AttributeElement} from another by removing\n\t * corresponding attributes, classes and styles. All attributes, classes and styles from wrapper should be present\n\t * inside element being unwrapped.\n\t *\n\t * @private\n\t * @param {module:engine/view/attributeelement~AttributeElement} wrapper Wrapper AttributeElement.\n\t * @param {module:engine/view/attributeelement~AttributeElement} toUnwrap AttributeElement to unwrap using wrapper element.\n\t * @returns {Boolean} Returns `true` if elements are unwrapped.\n\t **/\n\t_unwrapAttributeElement( wrapper, toUnwrap ) {\n\t\tif ( !canBeJoined( wrapper, toUnwrap ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Can't unwrap if name or priority differs.\n\t\tif ( wrapper.name !== toUnwrap.name || wrapper.priority !== toUnwrap.priority ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check if AttributeElement has all wrapper attributes.\n\t\tfor ( const key of wrapper.getAttributeKeys() ) {\n\t\t\t// Classes and styles should be checked separately.\n\t\t\tif ( key === 'class' || key === 'style' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// If some attributes are missing or different we cannot unwrap.\n\t\t\tif ( !toUnwrap.hasAttribute( key ) || toUnwrap.getAttribute( key ) !== wrapper.getAttribute( key ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Check if AttributeElement has all wrapper classes.\n\t\tif ( !toUnwrap.hasClass( ...wrapper.getClassNames() ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Check if AttributeElement has all wrapper styles.\n\t\tfor ( const key of wrapper.getStyleNames() ) {\n\t\t\t// If some styles are missing or different we cannot unwrap.\n\t\t\tif ( !toUnwrap.hasStyle( key ) || toUnwrap.getStyle( key ) !== wrapper.getStyle( key ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\t// Remove all wrapper's attributes from unwrapped element.\n\t\tfor ( const key of wrapper.getAttributeKeys() ) {\n\t\t\t// Classes and styles should be checked separately.\n\t\t\tif ( key === 'class' || key === 'style' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tthis.removeAttribute( key, toUnwrap );\n\t\t}\n\n\t\t// Remove all wrapper's classes from unwrapped element.\n\t\tthis.removeClass( Array.from( wrapper.getClassNames() ), toUnwrap );\n\n\t\t// Remove all wrapper's styles from unwrapped element.\n\t\tthis.removeStyle( Array.from( wrapper.getStyleNames() ), toUnwrap );\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Helper function used by other `DowncastWriter` methods. Breaks attribute elements at the boundaries of given range.\n\t *\n\t * @private\n\t * @param {module:engine/view/range~Range} range Range which `start` and `end` positions will be used to break attributes.\n\t * @param {Boolean} [forceSplitText=false] If set to `true`, will break text nodes even if they are directly in container element.\n\t * This behavior will result in incorrect view state, but is needed by other view writing methods which then fixes view state.\n\t * @returns {module:engine/view/range~Range} New range with located at break positions.\n\t */\n\t_breakAttributesRange( range, forceSplitText = false ) {\n\t\tconst rangeStart = range.start;\n\t\tconst rangeEnd = range.end;\n\n\t\tvalidateRangeContainer( range, this.document );\n\n\t\t// Break at the collapsed position. Return new collapsed range.\n\t\tif ( range.isCollapsed ) {\n\t\t\tconst position = this._breakAttributes( range.start, forceSplitText );\n\n\t\t\treturn new Range( position, position );\n\t\t}\n\n\t\tconst breakEnd = this._breakAttributes( rangeEnd, forceSplitText );\n\t\tconst count = breakEnd.parent.childCount;\n\t\tconst breakStart = this._breakAttributes( rangeStart, forceSplitText );\n\n\t\t// Calculate new break end offset.\n\t\tbreakEnd.offset += breakEnd.parent.childCount - count;\n\n\t\treturn new Range( breakStart, breakEnd );\n\t}\n\n\t/**\n\t * Helper function used by other `DowncastWriter` methods. Breaks attribute elements at given position.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-cannot-break-empty-element` when break position\n\t * is placed inside {@link module:engine/view/emptyelement~EmptyElement EmptyElement}.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-cannot-break-ui-element` when break position\n\t * is placed inside {@link module:engine/view/uielement~UIElement UIElement}.\n\t *\n\t * @private\n\t * @param {module:engine/view/position~Position} position Position where to break attributes.\n\t * @param {Boolean} [forceSplitText=false] If set to `true`, will break text nodes even if they are directly in container element.\n\t * This behavior will result in incorrect view state, but is needed by other view writing methods which then fixes view state.\n\t * @returns {module:engine/view/position~Position} New position after breaking the attributes.\n\t */\n\t_breakAttributes( position, forceSplitText = false ) {\n\t\tconst positionOffset = position.offset;\n\t\tconst positionParent = position.parent;\n\n\t\t// If position is placed inside EmptyElement - throw an exception as we cannot break inside.\n\t\tif ( position.parent.is( 'emptyElement' ) ) {\n\t\t\t/**\n\t\t\t * Cannot break an `EmptyElement` instance.\n\t\t\t *\n\t\t\t * This error is thrown if\n\t\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes `DowncastWriter#breakAttributes()`}\n\t\t\t * was executed in an incorrect position.\n\t\t\t *\n\t\t\t * @error view-writer-cannot-break-empty-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-cannot-break-empty-element', this.document );\n\t\t}\n\n\t\t// If position is placed inside UIElement - throw an exception as we cannot break inside.\n\t\tif ( position.parent.is( 'uiElement' ) ) {\n\t\t\t/**\n\t\t\t * Cannot break a `UIElement` instance.\n\t\t\t *\n\t\t\t * This error is thrown if\n\t\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes `DowncastWriter#breakAttributes()`}\n\t\t\t * was executed in an incorrect position.\n\t\t\t *\n\t\t\t * @error view-writer-cannot-break-ui-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-cannot-break-ui-element', this.document );\n\t\t}\n\n\t\t// If position is placed inside RawElement - throw an exception as we cannot break inside.\n\t\tif ( position.parent.is( 'rawElement' ) ) {\n\t\t\t/**\n\t\t\t * Cannot break a `RawElement` instance.\n\t\t\t *\n\t\t\t * This error is thrown if\n\t\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#breakAttributes `DowncastWriter#breakAttributes()`}\n\t\t\t * was executed in an incorrect position.\n\t\t\t *\n\t\t\t * @error view-writer-cannot-break-raw-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-cannot-break-raw-element', this.document );\n\t\t}\n\n\t\t// There are no attributes to break and text nodes breaking is not forced.\n\t\tif ( !forceSplitText && positionParent.is( '$text' ) && isContainerOrFragment( positionParent.parent ) ) {\n\t\t\treturn position.clone();\n\t\t}\n\n\t\t// Position's parent is container, so no attributes to break.\n\t\tif ( isContainerOrFragment( positionParent ) ) {\n\t\t\treturn position.clone();\n\t\t}\n\n\t\t// Break text and start again in new position.\n\t\tif ( positionParent.is( '$text' ) ) {\n\t\t\treturn this._breakAttributes( breakTextNode( position ), forceSplitText );\n\t\t}\n\n\t\tconst length = positionParent.childCount;\n\n\t\t// <p>foo<b><u>bar{}</u></b></p>\n\t\t// <p>foo<b><u>bar</u>[]</b></p>\n\t\t// <p>foo<b><u>bar</u></b>[]</p>\n\t\tif ( positionOffset == length ) {\n\t\t\tconst newPosition = new Position( positionParent.parent, positionParent.index + 1 );\n\n\t\t\treturn this._breakAttributes( newPosition, forceSplitText );\n\t\t} else {\n\t\t\t// <p>foo<b><u>{}bar</u></b></p>\n\t\t\t// <p>foo<b>[]<u>bar</u></b></p>\n\t\t\t// <p>foo{}<b><u>bar</u></b></p>\n\t\t\tif ( positionOffset === 0 ) {\n\t\t\t\tconst newPosition = new Position( positionParent.parent, positionParent.index );\n\n\t\t\t\treturn this._breakAttributes( newPosition, forceSplitText );\n\t\t\t}\n\t\t\t// <p>foo<b><u>b{}ar</u></b></p>\n\t\t\t// <p>foo<b><u>b[]ar</u></b></p>\n\t\t\t// <p>foo<b><u>b</u>[]<u>ar</u></b></p>\n\t\t\t// <p>foo<b><u>b</u></b>[]<b><u>ar</u></b></p>\n\t\t\telse {\n\t\t\t\tconst offsetAfter = positionParent.index + 1;\n\n\t\t\t\t// Break element.\n\t\t\t\tconst clonedNode = positionParent._clone();\n\n\t\t\t\t// Insert cloned node to position's parent node.\n\t\t\t\tpositionParent.parent._insertChild( offsetAfter, clonedNode );\n\t\t\t\tthis._addToClonedElementsGroup( clonedNode );\n\n\t\t\t\t// Get nodes to move.\n\t\t\t\tconst count = positionParent.childCount - positionOffset;\n\t\t\t\tconst nodesToMove = positionParent._removeChildren( positionOffset, count );\n\n\t\t\t\t// Move nodes to cloned node.\n\t\t\t\tclonedNode._appendChild( nodesToMove );\n\n\t\t\t\t// Create new position to work on.\n\t\t\t\tconst newPosition = new Position( positionParent.parent, offsetAfter );\n\n\t\t\t\treturn this._breakAttributes( newPosition, forceSplitText );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Stores the information that an {@link module:engine/view/attributeelement~AttributeElement attribute element} was\n\t * added to the tree. Saves the reference to the group in the given element and updates the group, so other elements\n\t * from the group now keep a reference to the given attribute element.\n\t *\n\t * The clones group can be obtained using {@link module:engine/view/attributeelement~AttributeElement#getElementsWithSameId}.\n\t *\n\t * Does nothing if added element has no {@link module:engine/view/attributeelement~AttributeElement#id id}.\n\t *\n\t * @private\n\t * @param {module:engine/view/attributeelement~AttributeElement} element Attribute element to save.\n\t */\n\t_addToClonedElementsGroup( element ) {\n\t\t// Add only if the element is in document tree.\n\t\tif ( !element.root.is( 'rootElement' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Traverse the element's children recursively to find other attribute elements that also might got inserted.\n\t\t// The loop is at the beginning so we can make fast returns later in the code.\n\t\tif ( element.is( 'element' ) ) {\n\t\t\tfor ( const child of element.getChildren() ) {\n\t\t\t\tthis._addToClonedElementsGroup( child );\n\t\t\t}\n\t\t}\n\n\t\tconst id = element.id;\n\n\t\tif ( !id ) {\n\t\t\treturn;\n\t\t}\n\n\t\tlet group = this._cloneGroups.get( id );\n\n\t\tif ( !group ) {\n\t\t\tgroup = new Set();\n\t\t\tthis._cloneGroups.set( id, group );\n\t\t}\n\n\t\tgroup.add( element );\n\t\telement._clonesGroup = group;\n\t}\n\n\t/**\n\t * Removes all the information about the given {@link module:engine/view/attributeelement~AttributeElement attribute element}\n\t * from its clones group.\n\t *\n\t * Keep in mind, that the element will still keep a reference to the group (but the group will not keep a reference to it).\n\t * This allows to reference the whole group even if the element was already removed from the tree.\n\t *\n\t * Does nothing if the element has no {@link module:engine/view/attributeelement~AttributeElement#id id}.\n\t *\n\t * @private\n\t * @param {module:engine/view/attributeelement~AttributeElement} element Attribute element to remove.\n\t */\n\t_removeFromClonedElementsGroup( element ) {\n\t\t// Traverse the element's children recursively to find other attribute elements that also got removed.\n\t\t// The loop is at the beginning so we can make fast returns later in the code.\n\t\tif ( element.is( 'element' ) ) {\n\t\t\tfor ( const child of element.getChildren() ) {\n\t\t\t\tthis._removeFromClonedElementsGroup( child );\n\t\t\t}\n\t\t}\n\n\t\tconst id = element.id;\n\n\t\tif ( !id ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst group = this._cloneGroups.get( id );\n\n\t\tif ( !group ) {\n\t\t\treturn;\n\t\t}\n\n\t\tgroup.delete( element );\n\t\t// Not removing group from element on purpose!\n\t\t// If other parts of code have reference to this element, they will be able to get references to other elements from the group.\n\t}\n}\n\n// Helper function for `view.writer.wrap`. Checks if given element has any children that are not ui elements.\nfunction _hasNonUiChildren( parent ) {\n\treturn Array.from( parent.getChildren() ).some( child => !child.is( 'uiElement' ) );\n}\n\n/**\n * The `attribute` passed to {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#wrap()`}\n * must be an instance of {@link module:engine/view/attributeelement~AttributeElement `AttributeElement`}.\n *\n * @error view-writer-wrap-invalid-attribute\n */\n\n// Returns first parent container of specified {@link module:engine/view/position~Position Position}.\n// Position's parent node is checked as first, then next parents are checked.\n// Note that {@link module:engine/view/documentfragment~DocumentFragment DocumentFragment} is treated like a container.\n//\n// @param {module:engine/view/position~Position} position Position used as a start point to locate parent container.\n// @returns {module:engine/view/containerelement~ContainerElement|module:engine/view/documentfragment~DocumentFragment|undefined}\n// Parent container element or `undefined` if container is not found.\nfunction getParentContainer( position ) {\n\tlet parent = position.parent;\n\n\twhile ( !isContainerOrFragment( parent ) ) {\n\t\tif ( !parent ) {\n\t\t\treturn undefined;\n\t\t}\n\t\tparent = parent.parent;\n\t}\n\n\treturn parent;\n}\n\n// Checks if first {@link module:engine/view/attributeelement~AttributeElement AttributeElement} provided to the function\n// can be wrapped outside second element. It is done by comparing elements'\n// {@link module:engine/view/attributeelement~AttributeElement#priority priorities}, if both have same priority\n// {@link module:engine/view/element~Element#getIdentity identities} are compared.\n//\n// @param {module:engine/view/attributeelement~AttributeElement} a\n// @param {module:engine/view/attributeelement~AttributeElement} b\n// @returns {Boolean}\nfunction shouldABeOutsideB( a, b ) {\n\tif ( a.priority < b.priority ) {\n\t\treturn true;\n\t} else if ( a.priority > b.priority ) {\n\t\treturn false;\n\t}\n\n\t// When priorities are equal and names are different - use identities.\n\treturn a.getIdentity() < b.getIdentity();\n}\n\n// Returns new position that is moved to near text node. Returns same position if there is no text node before of after\n// specified position.\n//\n//\t\t<p>foo[]</p>  ->  <p>foo{}</p>\n//\t\t<p>[]foo</p>  ->  <p>{}foo</p>\n//\n// @param {module:engine/view/position~Position} position\n// @returns {module:engine/view/position~Position} Position located inside text node or same position if there is no text nodes\n// before or after position location.\nfunction movePositionToTextNode( position ) {\n\tconst nodeBefore = position.nodeBefore;\n\n\tif ( nodeBefore && nodeBefore.is( '$text' ) ) {\n\t\treturn new Position( nodeBefore, nodeBefore.data.length );\n\t}\n\n\tconst nodeAfter = position.nodeAfter;\n\n\tif ( nodeAfter && nodeAfter.is( '$text' ) ) {\n\t\treturn new Position( nodeAfter, 0 );\n\t}\n\n\treturn position;\n}\n\n// Breaks text node into two text nodes when possible.\n//\n//\t\t<p>foo{}bar</p> -> <p>foo[]bar</p>\n//\t\t<p>{}foobar</p> -> <p>[]foobar</p>\n//\t\t<p>foobar{}</p> -> <p>foobar[]</p>\n//\n// @param {module:engine/view/position~Position} position Position that need to be placed inside text node.\n// @returns {module:engine/view/position~Position} New position after breaking text node.\nfunction breakTextNode( position ) {\n\tif ( position.offset == position.parent.data.length ) {\n\t\treturn new Position( position.parent.parent, position.parent.index + 1 );\n\t}\n\n\tif ( position.offset === 0 ) {\n\t\treturn new Position( position.parent.parent, position.parent.index );\n\t}\n\n\t// Get part of the text that need to be moved.\n\tconst textToMove = position.parent.data.slice( position.offset );\n\n\t// Leave rest of the text in position's parent.\n\tposition.parent._data = position.parent.data.slice( 0, position.offset );\n\n\t// Insert new text node after position's parent text node.\n\tposition.parent.parent._insertChild( position.parent.index + 1, new Text( position.root.document, textToMove ) );\n\n\t// Return new position between two newly created text nodes.\n\treturn new Position( position.parent.parent, position.parent.index + 1 );\n}\n\n// Merges two text nodes into first node. Removes second node and returns merge position.\n//\n// @param {module:engine/view/text~Text} t1 First text node to merge. Data from second text node will be moved at the end of\n// this text node.\n// @param {module:engine/view/text~Text} t2 Second text node to merge. This node will be removed after merging.\n// @returns {module:engine/view/position~Position} Position after merging text nodes.\nfunction mergeTextNodes( t1, t2 ) {\n\t// Merge text data into first text node and remove second one.\n\tconst nodeBeforeLength = t1.data.length;\n\tt1._data += t2.data;\n\tt2._remove();\n\n\treturn new Position( t1, nodeBeforeLength );\n}\n\n// Checks if provided nodes are valid to insert.\n//\n// Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-insert-invalid-node` when nodes to insert\n// contains instances that are not supported ones (see error description for valid ones.\n//\n// @param Iterable.<module:engine/view/text~Text|module:engine/view/element~Element> nodes\n// @param {Object} errorContext\nfunction validateNodesToInsert( nodes, errorContext ) {\n\tfor ( const node of nodes ) {\n\t\tif ( !validNodesToInsert.some( ( validNode => node instanceof validNode ) ) ) { // eslint-disable-line no-use-before-define\n\t\t\t/**\n\t\t\t * One of the nodes to be inserted is of an invalid type.\n\t\t\t *\n\t\t\t * Nodes to be inserted with {@link module:engine/view/downcastwriter~DowncastWriter#insert `DowncastWriter#insert()`} should be\n\t\t\t * of the following types:\n\t\t\t *\n\t\t\t * * {@link module:engine/view/attributeelement~AttributeElement AttributeElement},\n\t\t\t * * {@link module:engine/view/containerelement~ContainerElement ContainerElement},\n\t\t\t * * {@link module:engine/view/emptyelement~EmptyElement EmptyElement},\n\t\t\t * * {@link module:engine/view/uielement~UIElement UIElement},\n\t\t\t * * {@link module:engine/view/rawelement~RawElement RawElement},\n\t\t\t * * {@link module:engine/view/text~Text Text}.\n\t\t\t *\n\t\t\t * @error view-writer-insert-invalid-node-type\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-writer-insert-invalid-node-type', errorContext );\n\t\t}\n\n\t\tif ( !node.is( '$text' ) ) {\n\t\t\tvalidateNodesToInsert( node.getChildren(), errorContext );\n\t\t}\n\t}\n}\n\nconst validNodesToInsert = [ Text, AttributeElement, ContainerElement, EmptyElement, RawElement, UIElement ];\n\n// Checks if node is ContainerElement or DocumentFragment, because in most cases they should be treated the same way.\n//\n// @param {module:engine/view/node~Node} node\n// @returns {Boolean} Returns `true` if node is instance of ContainerElement or DocumentFragment.\nfunction isContainerOrFragment( node ) {\n\treturn node && ( node.is( 'containerElement' ) || node.is( 'documentFragment' ) );\n}\n\n// Checks if {@link module:engine/view/range~Range#start range start} and {@link module:engine/view/range~Range#end range end} are placed\n// inside same {@link module:engine/view/containerelement~ContainerElement container element}.\n// Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `view-writer-invalid-range-container` when validation fails.\n//\n// @param {module:engine/view/range~Range} range\n// @param {Object} errorContext\nfunction validateRangeContainer( range, errorContext ) {\n\tconst startContainer = getParentContainer( range.start );\n\tconst endContainer = getParentContainer( range.end );\n\n\tif ( !startContainer || !endContainer || startContainer !== endContainer ) {\n\t\t/**\n\t\t * The container of the given range is invalid.\n\t\t *\n\t\t * This may happen if {@link module:engine/view/range~Range#start range start} and\n\t\t * {@link module:engine/view/range~Range#end range end} positions are not placed inside the same container element or\n\t\t * a parent container for these positions cannot be found.\n\t\t *\n\t\t * Methods like {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#remove()`},\n\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#clean()`},\n\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#wrap()`},\n\t\t * {@link module:engine/view/downcastwriter~DowncastWriter#wrap `DowncastWriter#unwrap()`} need to be called\n\t\t * on a range that has its start and end positions located in the same container element. Both positions can be\n\t\t * nested within other elements (e.g. an attribute element) but the closest container ancestor must be the same.\n\t\t *\n\t\t * @error view-writer-invalid-range-container\n\t\t */\n\t\tthrow new CKEditorError( 'view-writer-invalid-range-container', errorContext );\n\t}\n}\n\n// Checks if two attribute elements can be joined together. Elements can be joined together if, and only if\n// they do not have ids specified.\n//\n// @private\n// @param {module:engine/view/element~Element} a\n// @param {module:engine/view/element~Element} b\n// @returns {Boolean}\nfunction canBeJoined( a, b ) {\n\treturn a.id === null && b.id === null;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/istext\n */\n\n/**\n * Checks if the object is a native DOM Text node.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isText( obj ) {\n\treturn Object.prototype.toString.call( obj ) == '[object Text]';\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport isText from '@ckeditor/ckeditor5-utils/src/dom/istext';\n\n/**\n * Set of utilities related to handling block and inline fillers.\n *\n * Browsers do not allow to put caret in elements which does not have height. Because of it, we need to fill all\n * empty elements which should be selectable with elements or characters called \"fillers\". Unfortunately there is no one\n * universal filler, this is why two types are uses:\n *\n * * Block filler is an element which fill block elements, like `<p>`. CKEditor uses `<br>` as a block filler during the editing,\n * as browsers do natively. So instead of an empty `<p>` there will be `<p><br></p>`. The advantage of block filler is that\n * it is transparent for the selection, so when the caret is before the `<br>` and user presses right arrow he will be\n * moved to the next paragraph, not after the `<br>`. The disadvantage is that it breaks a block, so it can not be used\n * in the middle of a line of text. The {@link module:engine/view/filler~BR_FILLER `<br>` filler} can be replaced with any other\n * character in the data output, for instance {@link module:engine/view/filler~NBSP_FILLER non-breaking space} or\n * {@link module:engine/view/filler~MARKED_NBSP_FILLER marked non-breaking space}.\n *\n * * Inline filler is a filler which does not break a line of text, so it can be used inside the text, for instance in the empty\n * `<b>` surrendered by text: `foo<b></b>bar`, if we want to put the caret there. CKEditor uses a sequence of the zero-width\n * spaces as an {@link module:engine/view/filler~INLINE_FILLER inline filler} having the predetermined\n * {@link module:engine/view/filler~INLINE_FILLER_LENGTH length}. A sequence is used, instead of a single character to\n * avoid treating random zero-width spaces as the inline filler. Disadvantage of the inline filler is that it is not\n * transparent for the selection. The arrow key moves the caret between zero-width spaces characters, so the additional\n * code is needed to handle the caret.\n *\n * Both inline and block fillers are handled by the {@link module:engine/view/renderer~Renderer renderer} and are not present in the\n * view.\n *\n * @module engine/view/filler\n */\n\n/**\n * Non-breaking space filler creator. This function creates the `&nbsp;` text node.\n * It defines how the filler is created.\n *\n * @see module:engine/view/filler~MARKED_NBSP_FILLER\n * @see module:engine/view/filler~BR_FILLER\n * @function\n */\nexport const NBSP_FILLER = domDocument => domDocument.createTextNode( '\\u00A0' );\n\n/**\n * Marked non-breaking space filler creator. This function creates the `<span data-cke-filler=\"true\">&nbsp;</span>` element.\n * It defines how the filler is created.\n *\n * @see module:engine/view/filler~NBSP_FILLER\n * @see module:engine/view/filler~BR_FILLER\n * @function\n */\nexport const MARKED_NBSP_FILLER = domDocument => {\n\tconst span = domDocument.createElement( 'span' );\n\tspan.dataset.ckeFiller = true;\n\tspan.innerHTML = '\\u00A0';\n\n\treturn span;\n};\n\n/**\n * `<br>` filler creator. This function creates the `<br data-cke-filler=\"true\">` element.\n * It defines how the filler is created.\n *\n * @see module:engine/view/filler~NBSP_FILLER\n * @see module:engine/view/filler~MARKED_NBSP_FILLER\n * @function\n */\nexport const BR_FILLER = domDocument => {\n\tconst fillerBr = domDocument.createElement( 'br' );\n\tfillerBr.dataset.ckeFiller = true;\n\n\treturn fillerBr;\n};\n\n/**\n * Length of the {@link module:engine/view/filler~INLINE_FILLER INLINE_FILLER}.\n */\nexport const INLINE_FILLER_LENGTH = 7;\n\n/**\n * Inline filler which is a sequence of the word joiners.\n *\n * @type {String}\n */\nexport const INLINE_FILLER = '\\u2060'.repeat( INLINE_FILLER_LENGTH );\n\n/**\n * Checks if the node is a text node which starts with the {@link module:engine/view/filler~INLINE_FILLER inline filler}.\n *\n *\t\tstartsWithFiller( document.createTextNode( INLINE_FILLER ) ); // true\n *\t\tstartsWithFiller( document.createTextNode( INLINE_FILLER + 'foo' ) ); // true\n *\t\tstartsWithFiller( document.createTextNode( 'foo' ) ); // false\n *\t\tstartsWithFiller( document.createElement( 'p' ) ); // false\n *\n * @param {Node} domNode DOM node.\n * @returns {Boolean} True if the text node starts with the {@link module:engine/view/filler~INLINE_FILLER inline filler}.\n */\nexport function startsWithFiller( domNode ) {\n\treturn isText( domNode ) && ( domNode.data.substr( 0, INLINE_FILLER_LENGTH ) === INLINE_FILLER );\n}\n\n/**\n * Checks if the text node contains only the {@link module:engine/view/filler~INLINE_FILLER inline filler}.\n *\n *\t\tisInlineFiller( document.createTextNode( INLINE_FILLER ) ); // true\n *\t\tisInlineFiller( document.createTextNode( INLINE_FILLER + 'foo' ) ); // false\n *\n * @param {Text} domText DOM text node.\n * @returns {Boolean} True if the text node contains only the {@link module:engine/view/filler~INLINE_FILLER inline filler}.\n */\nexport function isInlineFiller( domText ) {\n\treturn domText.data.length == INLINE_FILLER_LENGTH && startsWithFiller( domText );\n}\n\n/**\n * Get string data from the text node, removing an {@link module:engine/view/filler~INLINE_FILLER inline filler} from it,\n * if text node contains it.\n *\n *\t\tgetDataWithoutFiller( document.createTextNode( INLINE_FILLER + 'foo' ) ) == 'foo' // true\n *\t\tgetDataWithoutFiller( document.createTextNode( 'foo' ) ) == 'foo' // true\n *\n * @param {Text} domText DOM text node, possible with inline filler.\n * @returns {String} Data without filler.\n */\nexport function getDataWithoutFiller( domText ) {\n\tif ( startsWithFiller( domText ) ) {\n\t\treturn domText.data.slice( INLINE_FILLER_LENGTH );\n\t} else {\n\t\treturn domText.data;\n\t}\n}\n\n/**\n * Assign key observer which move cursor from the end of the inline filler to the beginning of it when\n * the left arrow is pressed, so the filler does not break navigation.\n *\n * @param {module:engine/view/view~View} view View controller instance we should inject quirks handling on.\n */\nexport function injectQuirksHandling( view ) {\n\tview.document.on( 'arrowKey', jumpOverInlineFiller, { priority: 'low' } );\n}\n\n// Move cursor from the end of the inline filler to the beginning of it when, so the filler does not break navigation.\nfunction jumpOverInlineFiller( evt, data ) {\n\tif ( data.keyCode == keyCodes.arrowleft ) {\n\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\n\t\tif ( domSelection.rangeCount == 1 && domSelection.getRangeAt( 0 ).collapsed ) {\n\t\t\tconst domParent = domSelection.getRangeAt( 0 ).startContainer;\n\t\t\tconst domOffset = domSelection.getRangeAt( 0 ).startOffset;\n\n\t\t\tif ( startsWithFiller( domParent ) && domOffset <= INLINE_FILLER_LENGTH ) {\n\t\t\t\tdomSelection.collapse( domParent, 0 );\n\t\t\t}\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/fastdiff\n */\n\n/**\n * Finds positions of the first and last change in the given string/array and generates a set of changes:\n *\n *\t\tfastDiff( '12a', '12xyza' );\n *\t\t// [ { index: 2, type: 'insert', values: [ 'x', 'y', 'z' ] } ]\n *\n *\t\tfastDiff( '12a', '12aa' );\n *\t\t// [ { index: 3, type: 'insert', values: [ 'a' ] } ]\n *\n *\t\tfastDiff( '12xyza', '12a' );\n *\t\t// [ { index: 2, type: 'delete', howMany: 3 } ]\n *\n *\t\tfastDiff( [ '1', '2', 'a', 'a' ], [ '1', '2', 'a' ] );\n *\t\t// [ { index: 3, type: 'delete', howMany: 1 } ]\n *\n *\t\tfastDiff( [ '1', '2', 'a', 'b', 'c', '3' ], [ '2', 'a', 'b' ] );\n *\t\t// [ { index: 0, type: 'insert', values: [ '2', 'a', 'b' ] }, { index: 3, type: 'delete', howMany: 6 } ]\n *\n * Passed arrays can contain any type of data, however to compare them correctly custom comparator function\n * should be passed as a third parameter:\n *\n *\t\tfastDiff( [ { value: 1 }, { value: 2 } ], [ { value: 1 }, { value: 3 } ], ( a, b ) => {\n *\t\t\treturn a.value === b.value;\n *\t\t} );\n *\t\t// [ { index: 1, type: 'insert', values: [ { value: 3 } ] }, { index: 2, type: 'delete', howMany: 1 } ]\n *\n * The resulted set of changes can be applied to the input in order to transform it into the output, for example:\n *\n *\t\tlet input = '12abc3';\n *\t\tconst output = '2ab';\n *\t\tconst changes = fastDiff( input, output );\n *\n *\t\tchanges.forEach( change => {\n *\t\t\tif ( change.type == 'insert' ) {\n *\t\t\t\tinput = input.substring( 0, change.index ) + change.values.join( '' ) + input.substring( change.index );\n *\t\t\t} else if ( change.type == 'delete' ) {\n *\t\t\t\tinput = input.substring( 0, change.index ) + input.substring( change.index + change.howMany );\n *\t\t\t}\n *\t\t} );\n *\n *\t\t// input equals output now\n *\n * or in case of arrays:\n *\n *\t\tlet input = [ '1', '2', 'a', 'b', 'c', '3' ];\n *\t\tconst output = [ '2', 'a', 'b' ];\n *\t\tconst changes = fastDiff( input, output );\n *\n *\t\tchanges.forEach( change => {\n *\t\t\tif ( change.type == 'insert' ) {\n *\t\t\t\tinput = input.slice( 0, change.index ).concat( change.values, input.slice( change.index ) );\n *\t\t\t} else if ( change.type == 'delete' ) {\n *\t\t\t\tinput = input.slice( 0, change.index ).concat( input.slice( change.index + change.howMany ) );\n *\t\t\t}\n *\t\t} );\n *\n *\t\t// input equals output now\n *\n * By passing `true` as the fourth parameter (`atomicChanges`) the output of this function will become compatible with\n * the {@link module:utils/diff~diff `diff()`} function:\n *\n *\t\tfastDiff( '12a', '12xyza' );\n *\t\t// [ 'equal', 'equal', 'insert', 'insert', 'insert', 'equal' ]\n *\n * The default output format of this function is compatible with the output format of\n * {@link module:utils/difftochanges~diffToChanges `diffToChanges()`}. The `diffToChanges()` input format is, in turn,\n * compatible with the output of {@link module:utils/diff~diff `diff()`}:\n *\n *\t\tconst a = '1234';\n *\t\tconst b = '12xyz34';\n *\n *\t\t// Both calls will return the same results (grouped changes format).\n *\t\tfastDiff( a, b );\n *\t\tdiffToChanges( diff( a, b ) );\n *\n *\t\t// Again, both calls will return the same results (atomic changes format).\n *\t\tfastDiff( a, b, null, true );\n *\t\tdiff( a, b );\n *\n *\n * @param {Array|String} a Input array or string.\n * @param {Array|String} b Input array or string.\n * @param {Function} [cmp] Optional function used to compare array values, by default `===` (strict equal operator) is used.\n * @param {Boolean} [atomicChanges=false] Whether an array of `inset|delete|equal` operations should\n * be returned instead of changes set. This makes this function compatible with {@link module:utils/diff~diff `diff()`}.\n * @returns {Array} Array of changes.\n */\nexport default function fastDiff( a, b, cmp, atomicChanges = false ) {\n\t// Set the comparator function.\n\tcmp = cmp || function( a, b ) {\n\t\treturn a === b;\n\t};\n\n\t// Convert the string (or any array-like object - eg. NodeList) to an array by using the slice() method because,\n\t// unlike Array.from(), it returns array of UTF-16 code units instead of the code points of a string.\n\t// One code point might be a surrogate pair of two code units. All text offsets are expected to be in code units.\n\t// See ckeditor/ckeditor5#3147.\n\t//\n\t// We need to make sure here that fastDiff() works identical to diff().\n\tif ( !Array.isArray( a ) ) {\n\t\ta = Array.prototype.slice.call( a );\n\t}\n\n\tif ( !Array.isArray( b ) ) {\n\t\tb = Array.prototype.slice.call( b );\n\t}\n\n\t// Find first and last change.\n\tconst changeIndexes = findChangeBoundaryIndexes( a, b, cmp );\n\n\t// Transform into changes array.\n\treturn atomicChanges ? changeIndexesToAtomicChanges( changeIndexes, b.length ) : changeIndexesToChanges( b, changeIndexes );\n}\n\n// Finds position of the first and last change in the given arrays. For example:\n//\n//\t\tconst indexes = findChangeBoundaryIndexes( [ '1', '2', '3', '4' ], [ '1', '3', '4', '2', '4' ] );\n//\t\tconsole.log( indexes ); // { firstIndex: 1, lastIndexOld: 3, lastIndexNew: 4 }\n//\n// The above indexes means that in the first array the modified part is `1[23]4` and in the second array it is `1[342]4`.\n// Based on such indexes, array with `insert`/`delete` operations which allows transforming first value into the second one\n// can be generated.\n//\n// @param {Array} arr1\n// @param {Array} arr2\n// @param {Function} cmp Comparator function.\n// @returns {Object}\n// @returns {Number} return.firstIndex Index of the first change in both values (always the same for both).\n// @returns {Number} result.lastIndexOld Index of the last common value in `arr1`.\n// @returns {Number} result.lastIndexNew Index of the last common value in `arr2`.\nfunction findChangeBoundaryIndexes( arr1, arr2, cmp ) {\n\t// Find the first difference between passed values.\n\tconst firstIndex = findFirstDifferenceIndex( arr1, arr2, cmp );\n\n\t// If arrays are equal return -1 indexes object.\n\tif ( firstIndex === -1 ) {\n\t\treturn { firstIndex: -1, lastIndexOld: -1, lastIndexNew: -1 };\n\t}\n\n\t// Remove the common part of each value and reverse them to make it simpler to find the last difference between them.\n\tconst oldArrayReversed = cutAndReverse( arr1, firstIndex );\n\tconst newArrayReversed = cutAndReverse( arr2, firstIndex );\n\n\t// Find the first difference between reversed values.\n\t// It should be treated as \"how many elements from the end the last difference occurred\".\n\t//\n\t// For example:\n\t//\n\t// \t\t\t\tinitial\t->\tafter cut\t-> reversed:\n\t// oldValue:\t'321ba'\t->\t'21ba'\t\t-> 'ab12'\n\t// newValue:\t'31xba'\t->\t'1xba'\t\t-> 'abx1'\n\t// lastIndex:\t\t\t\t\t\t\t-> 2\n\t//\n\t// So the last change occurred two characters from the end of the arrays.\n\tconst lastIndex = findFirstDifferenceIndex( oldArrayReversed, newArrayReversed, cmp );\n\n\t// Use `lastIndex` to calculate proper offset, starting from the beginning (`lastIndex` kind of starts from the end).\n\tconst lastIndexOld = arr1.length - lastIndex;\n\tconst lastIndexNew = arr2.length - lastIndex;\n\n\treturn { firstIndex, lastIndexOld, lastIndexNew };\n}\n\n// Returns a first index on which given arrays differ. If both arrays are the same, -1 is returned.\n//\n// @param {Array} arr1\n// @param {Array} arr2\n// @param {Function} cmp Comparator function.\n// @returns {Number}\nfunction findFirstDifferenceIndex( arr1, arr2, cmp ) {\n\tfor ( let i = 0; i < Math.max( arr1.length, arr2.length ); i++ ) {\n\t\tif ( arr1[ i ] === undefined || arr2[ i ] === undefined || !cmp( arr1[ i ], arr2[ i ] ) ) {\n\t\t\treturn i;\n\t\t}\n\t}\n\n\treturn -1; // Return -1 if arrays are equal.\n}\n\n// Returns a copy of the given array with `howMany` elements removed starting from the beginning and in reversed order.\n//\n// @param {Array} arr Array to be processed.\n// @param {Number} howMany How many elements from array beginning to remove.\n// @returns {Array} Shortened and reversed array.\nfunction cutAndReverse( arr, howMany ) {\n\treturn arr.slice( howMany ).reverse();\n}\n\n// Generates changes array based on change indexes from `findChangeBoundaryIndexes` function. This function will\n// generate array with 0 (no changes), 1 (deletion or insertion) or 2 records (insertion and deletion).\n//\n// @param {Array} newArray New array for which change indexes were calculated.\n// @param {Object} changeIndexes Change indexes object from `findChangeBoundaryIndexes` function.\n// @returns {Array.<Object>} Array of changes compatible with {@link module:utils/difftochanges~diffToChanges} format.\nfunction changeIndexesToChanges( newArray, changeIndexes ) {\n\tconst result = [];\n\tconst { firstIndex, lastIndexOld, lastIndexNew } = changeIndexes;\n\n\t// Order operations as 'insert', 'delete' array to keep compatibility with {@link module:utils/difftochanges~diffToChanges}\n\t// in most cases. However, 'diffToChanges' does not stick to any order so in some cases\n\t// (for example replacing '12345' with 'abcd') it will generate 'delete', 'insert' order.\n\tif ( lastIndexNew - firstIndex > 0 ) {\n\t\tresult.push( {\n\t\t\tindex: firstIndex,\n\t\t\ttype: 'insert',\n\t\t\tvalues: newArray.slice( firstIndex, lastIndexNew )\n\t\t} );\n\t}\n\n\tif ( lastIndexOld - firstIndex > 0 ) {\n\t\tresult.push( {\n\t\t\tindex: firstIndex + ( lastIndexNew - firstIndex ), // Increase index of what was inserted.\n\t\t\ttype: 'delete',\n\t\t\thowMany: lastIndexOld - firstIndex\n\t\t} );\n\t}\n\n\treturn result;\n}\n\n// Generates array with set `equal|insert|delete` operations based on change indexes from `findChangeBoundaryIndexes` function.\n//\n// @param {Object} changeIndexes Change indexes object from `findChangeBoundaryIndexes` function.\n// @param {Number} newLength Length of the new array on which `findChangeBoundaryIndexes` calculated change indexes.\n// @returns {Array.<String>} Array of changes compatible with {@link module:utils/diff~diff} format.\nfunction changeIndexesToAtomicChanges( changeIndexes, newLength ) {\n\tconst { firstIndex, lastIndexOld, lastIndexNew } = changeIndexes;\n\n\t// No changes.\n\tif ( firstIndex === -1 ) {\n\t\treturn Array( newLength ).fill( 'equal' );\n\t}\n\n\tlet result = [];\n\tif ( firstIndex > 0 ) {\n\t\tresult = result.concat( Array( firstIndex ).fill( 'equal' ) );\n\t}\n\n\tif ( lastIndexNew - firstIndex > 0 ) {\n\t\tresult = result.concat( Array( lastIndexNew - firstIndex ).fill( 'insert' ) );\n\t}\n\n\tif ( lastIndexOld - firstIndex > 0 ) {\n\t\tresult = result.concat( Array( lastIndexOld - firstIndex ).fill( 'delete' ) );\n\t}\n\n\tif ( lastIndexNew < newLength ) {\n\t\tresult = result.concat( Array( newLength - lastIndexNew ).fill( 'equal' ) );\n\t}\n\n\treturn result;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/diff\n */\n\nimport fastDiff from '../src/fastdiff';\n\n// The following code is based on the \"O(NP) Sequence Comparison Algorithm\"\n// by Sun Wu, Udi Manber, Gene Myers, Webb Miller.\n\n/**\n * Calculates the difference between two arrays or strings producing an array containing a list of changes\n * necessary to transform input into output.\n *\n *\t\tdiff( 'aba', 'acca' ); // [ 'equal', 'insert', 'insert', 'delete', 'equal' ]\n *\n * This function is based on the \"O(NP) Sequence Comparison Algorithm\" by Sun Wu, Udi Manber, Gene Myers, Webb Miller.\n * Unfortunately, while it gives the most precise results, its to complex for longer strings/arrow (above 200 items).\n * Therefore, `diff()` automatically switches to {@link module:utils/fastdiff~fastDiff `fastDiff()`} when detecting\n * such a scenario. The return formats of both functions are identical.\n *\n * @param {Array|String} a Input array or string.\n * @param {Array|String} b Output array or string.\n * @param {Function} [cmp] Optional function used to compare array values, by default === is used.\n * @returns {Array} Array of changes.\n */\nexport default function diff( a, b, cmp ) {\n\t// Set the comparator function.\n\tcmp = cmp || function( a, b ) {\n\t\treturn a === b;\n\t};\n\n\tconst aLength = a.length;\n\tconst bLength = b.length;\n\n\t// Perform `fastDiff` for longer strings/arrays (see #269).\n\tif ( aLength > 200 || bLength > 200 || aLength + bLength > 300 ) {\n\t\treturn diff.fastDiff( a, b, cmp, true );\n\t}\n\n\t// Temporary action type statics.\n\tlet _insert, _delete;\n\n\t// Swapped the arrays to use the shorter one as the first one.\n\tif ( bLength < aLength ) {\n\t\tconst tmp = a;\n\n\t\ta = b;\n\t\tb = tmp;\n\n\t\t// We swap the action types as well.\n\t\t_insert = 'delete';\n\t\t_delete = 'insert';\n\t} else {\n\t\t_insert = 'insert';\n\t\t_delete = 'delete';\n\t}\n\n\tconst m = a.length;\n\tconst n = b.length;\n\tconst delta = n - m;\n\n\t// Edit scripts, for each diagonal.\n\tconst es = {};\n\t// Furthest points, the furthest y we can get on each diagonal.\n\tconst fp = {};\n\n\tfunction snake( k ) {\n\t\t// We use -1 as an alternative below to handle initial values ( instead of filling the fp with -1 first ).\n\t\t// Furthest points (y) on the diagonal below k.\n\t\tconst y1 = ( fp[ k - 1 ] !== undefined ? fp[ k - 1 ] : -1 ) + 1;\n\t\t// Furthest points (y) on the diagonal above k.\n\t\tconst y2 = fp[ k + 1 ] !== undefined ? fp[ k + 1 ] : -1;\n\t\t// The way we should go to get further.\n\t\tconst dir = y1 > y2 ? -1 : 1;\n\n\t\t// Clone previous changes array (if any).\n\t\tif ( es[ k + dir ] ) {\n\t\t\tes[ k ] = es[ k + dir ].slice( 0 );\n\t\t}\n\n\t\t// Create changes array.\n\t\tif ( !es[ k ] ) {\n\t\t\tes[ k ] = [];\n\t\t}\n\n\t\t// Push the action.\n\t\tes[ k ].push( y1 > y2 ? _insert : _delete );\n\n\t\t// Set the beginning coordinates.\n\t\tlet y = Math.max( y1, y2 );\n\t\tlet x = y - k;\n\n\t\t// Traverse the diagonal as long as the values match.\n\t\twhile ( x < m && y < n && cmp( a[ x ], b[ y ] ) ) {\n\t\t\tx++;\n\t\t\ty++;\n\t\t\t// Push no change action.\n\t\t\tes[ k ].push( 'equal' );\n\t\t}\n\n\t\treturn y;\n\t}\n\n\tlet p = 0;\n\tlet k;\n\n\t// Traverse the graph until we reach the end of the longer string.\n\tdo {\n\t\t// Updates furthest points and edit scripts for diagonals below delta.\n\t\tfor ( k = -p; k < delta; k++ ) {\n\t\t\tfp[ k ] = snake( k );\n\t\t}\n\n\t\t// Updates furthest points and edit scripts for diagonals above delta.\n\t\tfor ( k = delta + p; k > delta; k-- ) {\n\t\t\tfp[ k ] = snake( k );\n\t\t}\n\n\t\t// Updates furthest point and edit script for the delta diagonal.\n\t\t// note that the delta diagonal is the one which goes through the sink (m, n).\n\t\tfp[ delta ] = snake( delta );\n\n\t\tp++;\n\t} while ( fp[ delta ] !== n );\n\n\t// Return the final list of edit changes.\n\t// We remove the first item that represents the action for the injected nulls.\n\treturn es[ delta ].slice( 1 );\n}\n\n// Store the API in static property to easily overwrite it in tests.\n// Too bad dependency injection does not work in Webpack + ES 6 (const) + Babel.\ndiff.fastDiff = fastDiff;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/insertat\n */\n\n/**\n * Inserts node to the parent at given index.\n *\n * @param {Element} parentElement Parent element.\n * @param {Number} index Insertions index.\n * @param {Node} nodeToInsert Node to insert.\n */\nexport default function insertAt( parentElement, index, nodeToInsert ) {\n\tparentElement.insertBefore( nodeToInsert, parentElement.childNodes[ index ] || null );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/remove\n */\n\n/**\n * Removes given node from parent.\n *\n * @param {Node} node Node to remove.\n */\nexport default function remove( node ) {\n\tconst parent = node.parentNode;\n\n\tif ( parent ) {\n\t\tparent.removeChild( node );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals Node */\n\n/**\n * @module utils/dom/iscomment\n */\n\n/**\n * Checks if the object is a native DOM Comment node.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isComment( obj ) {\n\treturn obj && obj.nodeType === Node.COMMENT_NODE;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/isnode\n */\n\n/**\n * Checks if the object is a native DOM Node.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isNode( obj ) {\n\tif ( obj ) {\n\t\tif ( obj.defaultView ) {\n\t\t\treturn obj instanceof obj.defaultView.Document;\n\t\t} else if ( obj.ownerDocument && obj.ownerDocument.defaultView ) {\n\t\t\treturn obj instanceof obj.ownerDocument.defaultView.Node;\n\t\t}\n\t}\n\n\treturn false;\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./renderer.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./renderer.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals Node */\n\n/**\n * @module engine/view/renderer\n */\n\nimport ViewText from './text';\nimport ViewPosition from './position';\nimport { INLINE_FILLER, INLINE_FILLER_LENGTH, startsWithFiller, isInlineFiller } from './filler';\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport diff from '@ckeditor/ckeditor5-utils/src/diff';\nimport insertAt from '@ckeditor/ckeditor5-utils/src/dom/insertat';\nimport remove from '@ckeditor/ckeditor5-utils/src/dom/remove';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport isText from '@ckeditor/ckeditor5-utils/src/dom/istext';\nimport isComment from '@ckeditor/ckeditor5-utils/src/dom/iscomment';\nimport isNode from '@ckeditor/ckeditor5-utils/src/dom/isnode';\nimport fastDiff from '@ckeditor/ckeditor5-utils/src/fastdiff';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\nimport '../../theme/renderer.css';\n\n/**\n * Renderer is responsible for updating the DOM structure and the DOM selection based on\n * the {@link module:engine/view/renderer~Renderer#markToSync information about updated view nodes}.\n * In other words, it renders the view to the DOM.\n *\n * Its main responsibility is to make only the necessary, minimal changes to the DOM. However, unlike in many\n * virtual DOM implementations, the primary reason for doing minimal changes is not the performance but ensuring\n * that native editing features such as text composition, autocompletion, spell checking, selection's x-index are\n * affected as little as possible.\n *\n * Renderer uses {@link module:engine/view/domconverter~DomConverter} to transform view nodes and positions\n * to and from the DOM.\n */\nexport default class Renderer {\n\t/**\n\t * Creates a renderer instance.\n\t *\n\t * @param {module:engine/view/domconverter~DomConverter} domConverter Converter instance.\n\t * @param {module:engine/view/documentselection~DocumentSelection} selection View selection.\n\t */\n\tconstructor( domConverter, selection ) {\n\t\t/**\n\t\t * Set of DOM Documents instances.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set.<Document>}\n\t\t */\n\t\tthis.domDocuments = new Set();\n\n\t\t/**\n\t\t * Converter instance.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/domconverter~DomConverter}\n\t\t */\n\t\tthis.domConverter = domConverter;\n\n\t\t/**\n\t\t * Set of nodes which attributes changed and may need to be rendered.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set.<module:engine/view/node~Node>}\n\t\t */\n\t\tthis.markedAttributes = new Set();\n\n\t\t/**\n\t\t * Set of elements which child lists changed and may need to be rendered.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set.<module:engine/view/node~Node>}\n\t\t */\n\t\tthis.markedChildren = new Set();\n\n\t\t/**\n\t\t * Set of text nodes which text data changed and may need to be rendered.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set.<module:engine/view/node~Node>}\n\t\t */\n\t\tthis.markedTexts = new Set();\n\n\t\t/**\n\t\t * View selection. Renderer updates DOM selection based on the view selection.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/documentselection~DocumentSelection}\n\t\t */\n\t\tthis.selection = selection;\n\n\t\t/**\n\t\t * Indicates if the view document is focused and selection can be rendered. Selection will not be rendered if\n\t\t * this is set to `false`.\n\t\t *\n\t\t * @member {Boolean}\n\t\t * @observable\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * Indicates whether the user is making a selection in the document (e.g. holding the mouse button and moving the cursor).\n\t\t * When they stop selecting, the property goes back to `false`.\n\t\t *\n\t\t * Note: In some browsers, the renderer will stop rendering the selection and inline fillers while the user is making\n\t\t * a selection to avoid glitches in DOM selection\n\t\t * (https://github.com/ckeditor/ckeditor5/issues/10562, https://github.com/ckeditor/ckeditor5/issues/10723).\n\t\t *\n\t\t * @member {Boolean}\n\t\t * @observable\n\t\t */\n\t\tthis.set( 'isSelecting', false );\n\n\t\t// Rendering the selection and inline filler manipulation should be postponed in (non-Android) Blink until the user finishes\n\t\t// creating the selection in DOM to avoid accidental selection collapsing\n\t\t// (https://github.com/ckeditor/ckeditor5/issues/10562, https://github.com/ckeditor/ckeditor5/issues/10723).\n\t\t// When the user stops selecting, all pending changes should be rendered ASAP, though.\n\t\tif ( env.isBlink && !env.isAndroid ) {\n\t\t\tthis.on( 'change:isSelecting', () => {\n\t\t\t\tif ( !this.isSelecting ) {\n\t\t\t\t\tthis.render();\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\n\t\t/**\n\t\t * The text node in which the inline filler was rendered.\n\t\t *\n\t\t * @private\n\t\t * @member {Text}\n\t\t */\n\t\tthis._inlineFiller = null;\n\n\t\t/**\n\t\t * DOM element containing fake selection.\n\t\t *\n\t\t * @private\n\t\t * @type {null|HTMLElement}\n\t\t */\n\t\tthis._fakeSelectionContainer = null;\n\t}\n\n\t/**\n\t * Marks a view node to be updated in the DOM by {@link #render `render()`}.\n\t *\n\t * Note that only view nodes whose parents have corresponding DOM elements need to be marked to be synchronized.\n\t *\n\t * @see #markedAttributes\n\t * @see #markedChildren\n\t * @see #markedTexts\n\t *\n\t * @param {module:engine/view/document~ChangeType} type Type of the change.\n\t * @param {module:engine/view/node~Node} node Node to be marked.\n\t */\n\tmarkToSync( type, node ) {\n\t\tif ( type === 'text' ) {\n\t\t\tif ( this.domConverter.mapViewToDom( node.parent ) ) {\n\t\t\t\tthis.markedTexts.add( node );\n\t\t\t}\n\t\t} else {\n\t\t\t// If the node has no DOM element it is not rendered yet,\n\t\t\t// its children/attributes do not need to be marked to be sync.\n\t\t\tif ( !this.domConverter.mapViewToDom( node ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( type === 'attributes' ) {\n\t\t\t\tthis.markedAttributes.add( node );\n\t\t\t} else if ( type === 'children' ) {\n\t\t\t\tthis.markedChildren.add( node );\n\t\t\t} else {\n\t\t\t\t/**\n\t\t\t\t * Unknown type passed to Renderer.markToSync.\n\t\t\t\t *\n\t\t\t\t * @error view-renderer-unknown-type\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'view-renderer-unknown-type', this );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Renders all buffered changes ({@link #markedAttributes}, {@link #markedChildren} and {@link #markedTexts}) and\n\t * the current view selection (if needed) to the DOM by applying a minimal set of changes to it.\n\t *\n\t * Renderer tries not to break the text composition (e.g. IME) and x-index of the selection,\n\t * so it does as little as it is needed to update the DOM.\n\t *\n\t * Renderer also handles {@link module:engine/view/filler fillers}. Especially, it checks if the inline filler is needed\n\t * at the selection position and adds or removes it. To prevent breaking text composition inline filler will not be\n\t * removed as long as the selection is in the text node which needed it at first.\n\t */\n\trender() {\n\t\tlet inlineFillerPosition;\n\t\tconst isInlineFillerRenderingPossible = env.isBlink && !env.isAndroid ? !this.isSelecting : true;\n\n\t\t// Refresh mappings.\n\t\tfor ( const element of this.markedChildren ) {\n\t\t\tthis._updateChildrenMappings( element );\n\t\t}\n\n\t\t// Don't manipulate inline fillers while the selection is being made in (non-Android) Blink to prevent accidental\n\t\t// DOM selection collapsing\n\t\t// (https://github.com/ckeditor/ckeditor5/issues/10562, https://github.com/ckeditor/ckeditor5/issues/10723).\n\t\tif ( isInlineFillerRenderingPossible ) {\n\t\t\t// There was inline filler rendered in the DOM but it's not\n\t\t\t// at the selection position any more, so we can remove it\n\t\t\t// (cause even if it's needed, it must be placed in another location).\n\t\t\tif ( this._inlineFiller && !this._isSelectionInInlineFiller() ) {\n\t\t\t\tthis._removeInlineFiller();\n\t\t\t}\n\n\t\t\t// If we've got the filler, let's try to guess its position in the view.\n\t\t\tif ( this._inlineFiller ) {\n\t\t\t\tinlineFillerPosition = this._getInlineFillerPosition();\n\t\t\t}\n\t\t\t// Otherwise, if it's needed, create it at the selection position.\n\t\t\telse if ( this._needsInlineFillerAtSelection() ) {\n\t\t\t\tinlineFillerPosition = this.selection.getFirstPosition();\n\n\t\t\t\t// Do not use `markToSync` so it will be added even if the parent is already added.\n\t\t\t\tthis.markedChildren.add( inlineFillerPosition.parent );\n\t\t\t}\n\t\t}\n\t\t// Paranoid check: we make sure the inline filler has any parent so it can be mapped to view position\n\t\t// by DomConverter.\n\t\telse if ( this._inlineFiller && this._inlineFiller.parentNode ) {\n\t\t\t// While the user is making selection, preserve the inline filler at its original position.\n\t\t\tinlineFillerPosition = this.domConverter.domPositionToView( this._inlineFiller );\n\t\t}\n\n\t\tfor ( const element of this.markedAttributes ) {\n\t\t\tthis._updateAttrs( element );\n\t\t}\n\n\t\tfor ( const element of this.markedChildren ) {\n\t\t\tthis._updateChildren( element, { inlineFillerPosition } );\n\t\t}\n\n\t\tfor ( const node of this.markedTexts ) {\n\t\t\tif ( !this.markedChildren.has( node.parent ) && this.domConverter.mapViewToDom( node.parent ) ) {\n\t\t\t\tthis._updateText( node, { inlineFillerPosition } );\n\t\t\t}\n\t\t}\n\n\t\t// * Check whether the inline filler is required and where it really is in the DOM.\n\t\t//   At this point in most cases it will be in the DOM, but there are exceptions.\n\t\t//   For example, if the inline filler was deep in the created DOM structure, it will not be created.\n\t\t//   Similarly, if it was removed at the beginning of this function and then neither text nor children were updated,\n\t\t//   it will not be present. Fix those and similar scenarios.\n\t\t// * Don't manipulate inline fillers while the selection is being made in (non-Android) Blink to prevent accidental\n\t\t//   DOM selection collapsing\n\t\t//   (https://github.com/ckeditor/ckeditor5/issues/10562, https://github.com/ckeditor/ckeditor5/issues/10723).\n\t\tif ( isInlineFillerRenderingPossible ) {\n\t\t\tif ( inlineFillerPosition ) {\n\t\t\t\tconst fillerDomPosition = this.domConverter.viewPositionToDom( inlineFillerPosition );\n\t\t\t\tconst domDocument = fillerDomPosition.parent.ownerDocument;\n\n\t\t\t\tif ( !startsWithFiller( fillerDomPosition.parent ) ) {\n\t\t\t\t\t// Filler has not been created at filler position. Create it now.\n\t\t\t\t\tthis._inlineFiller = addInlineFiller( domDocument, fillerDomPosition.parent, fillerDomPosition.offset );\n\t\t\t\t} else {\n\t\t\t\t\t// Filler has been found, save it.\n\t\t\t\t\tthis._inlineFiller = fillerDomPosition.parent;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t// There is no filler needed.\n\t\t\t\tthis._inlineFiller = null;\n\t\t\t}\n\t\t}\n\n\t\t// First focus the new editing host, then update the selection.\n\t\t// Otherwise, FF may throw an error (https://github.com/ckeditor/ckeditor5/issues/721).\n\t\tthis._updateFocus();\n\t\tthis._updateSelection();\n\n\t\tthis.markedTexts.clear();\n\t\tthis.markedAttributes.clear();\n\t\tthis.markedChildren.clear();\n\t}\n\n\t/**\n\t * Updates mappings of view element's children.\n\t *\n\t * Children that were replaced in the view structure by similar elements (same tag name) are treated as 'replaced'.\n\t * This means that their mappings can be updated so the new view elements are mapped to the existing DOM elements.\n\t * Thanks to that these elements do not need to be re-rendered completely.\n\t *\n\t * @private\n\t * @param {module:engine/view/node~Node} viewElement The view element whose children mappings will be updated.\n\t */\n\t_updateChildrenMappings( viewElement ) {\n\t\tconst domElement = this.domConverter.mapViewToDom( viewElement );\n\n\t\tif ( !domElement ) {\n\t\t\t// If there is no `domElement` it means that it was already removed from DOM and there is no need to process it.\n\t\t\treturn;\n\t\t}\n\n\t\t// Removing nodes from the DOM as we iterate can cause `actualDomChildren`\n\t\t// (which is a live-updating `NodeList`) to get out of sync with the\n\t\t// indices that we compute as we iterate over `actions`.\n\t\t// This would produce incorrect element mappings.\n\t\t//\n\t\t// Converting live list to an array to make the list static.\n\t\tconst actualDomChildren = Array.from(\n\t\t\tthis.domConverter.mapViewToDom( viewElement ).childNodes\n\t\t);\n\t\tconst expectedDomChildren = Array.from(\n\t\t\tthis.domConverter.viewChildrenToDom( viewElement, domElement.ownerDocument, { withChildren: false } )\n\t\t);\n\t\tconst diff = this._diffNodeLists( actualDomChildren, expectedDomChildren );\n\t\tconst actions = this._findReplaceActions( diff, actualDomChildren, expectedDomChildren );\n\n\t\tif ( actions.indexOf( 'replace' ) !== -1 ) {\n\t\t\tconst counter = { equal: 0, insert: 0, delete: 0 };\n\n\t\t\tfor ( const action of actions ) {\n\t\t\t\tif ( action === 'replace' ) {\n\t\t\t\t\tconst insertIndex = counter.equal + counter.insert;\n\t\t\t\t\tconst deleteIndex = counter.equal + counter.delete;\n\t\t\t\t\tconst viewChild = viewElement.getChild( insertIndex );\n\n\t\t\t\t\t// UIElement and RawElement are special cases. Their children are not stored in a view (#799)\n\t\t\t\t\t// so we cannot use them with replacing flow (since they use view children during rendering\n\t\t\t\t\t// which will always result in rendering empty elements).\n\t\t\t\t\tif ( viewChild && !( viewChild.is( 'uiElement' ) || viewChild.is( 'rawElement' ) ) ) {\n\t\t\t\t\t\tthis._updateElementMappings( viewChild, actualDomChildren[ deleteIndex ] );\n\t\t\t\t\t}\n\n\t\t\t\t\tremove( expectedDomChildren[ insertIndex ] );\n\t\t\t\t\tcounter.equal++;\n\t\t\t\t} else {\n\t\t\t\t\tcounter[ action ]++;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Updates mappings of a given view element.\n\t *\n\t * @private\n\t * @param {module:engine/view/node~Node} viewElement The view element whose mappings will be updated.\n\t * @param {Node} domElement The DOM element representing the given view element.\n\t */\n\t_updateElementMappings( viewElement, domElement ) {\n\t\t// Remap 'DomConverter' bindings.\n\t\tthis.domConverter.unbindDomElement( domElement );\n\t\tthis.domConverter.bindElements( domElement, viewElement );\n\n\t\t// View element may have children which needs to be updated, but are not marked, mark them to update.\n\t\tthis.markedChildren.add( viewElement );\n\n\t\t// Because we replace new view element mapping with the existing one, the corresponding DOM element\n\t\t// will not be rerendered. The new view element may have different attributes than the previous one.\n\t\t// Since its corresponding DOM element will not be rerendered, new attributes will not be added\n\t\t// to the DOM, so we need to mark it here to make sure its attributes gets updated. See #1427 for more\n\t\t// detailed case study.\n\t\t// Also there are cases where replaced element is removed from the view structure and then has\n\t\t// its attributes changed or removed. In such cases the element will not be present in `markedAttributes`\n\t\t// and also may be the same (`element.isSimilar()`) as the reused element not having its attributes updated.\n\t\t// To prevent such situations we always mark reused element to have its attributes rerenderd (#1560).\n\t\tthis.markedAttributes.add( viewElement );\n\t}\n\n\t/**\n\t * Gets the position of the inline filler based on the current selection.\n\t * Here, we assume that we know that the filler is needed and\n\t * {@link #_isSelectionInInlineFiller is at the selection position}, and, since it is needed,\n\t * it is somewhere at the selection position.\n\t *\n\t * Note: The filler position cannot be restored based on the filler's DOM text node, because\n\t * when this method is called (before rendering), the bindings will often be broken. View-to-DOM\n\t * bindings are only dependable after rendering.\n\t *\n\t * @private\n\t * @returns {module:engine/view/position~Position}\n\t */\n\t_getInlineFillerPosition() {\n\t\tconst firstPos = this.selection.getFirstPosition();\n\n\t\tif ( firstPos.parent.is( '$text' ) ) {\n\t\t\treturn ViewPosition._createBefore( this.selection.getFirstPosition().parent );\n\t\t} else {\n\t\t\treturn firstPos;\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` if the selection has not left the inline filler's text node.\n\t * If it is `true`, it means that the filler had been added for a reason and the selection did not\n\t * leave the filler's text node. For example, the user can be in the middle of a composition so it should not be touched.\n\t *\n\t * @private\n\t * @returns {Boolean} `true` if the inline filler and selection are in the same place.\n\t */\n\t_isSelectionInInlineFiller() {\n\t\tif ( this.selection.rangeCount != 1 || !this.selection.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Note, we can't check if selection's position equals position of the\n\t\t// this._inlineFiller node, because of #663. We may not be able to calculate\n\t\t// the filler's position in the view at this stage.\n\t\t// Instead, we check it the other way – whether selection is anchored in\n\t\t// that text node or next to it.\n\n\t\t// Possible options are:\n\t\t// \"FILLER{}\"\n\t\t// \"FILLERadded-text{}\"\n\t\tconst selectionPosition = this.selection.getFirstPosition();\n\t\tconst position = this.domConverter.viewPositionToDom( selectionPosition );\n\n\t\tif ( position && isText( position.parent ) && startsWithFiller( position.parent ) ) {\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Removes the inline filler.\n\t *\n\t * @private\n\t */\n\t_removeInlineFiller() {\n\t\tconst domFillerNode = this._inlineFiller;\n\n\t\t// Something weird happened and the stored node doesn't contain the filler's text.\n\t\tif ( !startsWithFiller( domFillerNode ) ) {\n\t\t\t/**\n\t\t\t * The inline filler node was lost. Most likely, something overwrote the filler text node\n\t\t\t * in the DOM.\n\t\t\t *\n\t\t\t * @error view-renderer-filler-was-lost\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-renderer-filler-was-lost', this );\n\t\t}\n\n\t\tif ( isInlineFiller( domFillerNode ) ) {\n\t\t\tdomFillerNode.remove();\n\t\t} else {\n\t\t\tdomFillerNode.data = domFillerNode.data.substr( INLINE_FILLER_LENGTH );\n\t\t}\n\n\t\tthis._inlineFiller = null;\n\t}\n\n\t/**\n\t * Checks if the inline {@link module:engine/view/filler filler} should be added.\n\t *\n\t * @private\n\t * @returns {Boolean} `true` if the inline filler should be added.\n\t */\n\t_needsInlineFillerAtSelection() {\n\t\tif ( this.selection.rangeCount != 1 || !this.selection.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst selectionPosition = this.selection.getFirstPosition();\n\t\tconst selectionParent = selectionPosition.parent;\n\t\tconst selectionOffset = selectionPosition.offset;\n\n\t\t// If there is no DOM root we do not care about fillers.\n\t\tif ( !this.domConverter.mapViewToDom( selectionParent.root ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( !( selectionParent.is( 'element' ) ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Prevent adding inline filler inside elements with contenteditable=false.\n\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/1170\n\t\tif ( !isEditable( selectionParent ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// We have block filler, we do not need inline one.\n\t\tif ( selectionOffset === selectionParent.getFillerOffset() ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst nodeBefore = selectionPosition.nodeBefore;\n\t\tconst nodeAfter = selectionPosition.nodeAfter;\n\n\t\tif ( nodeBefore instanceof ViewText || nodeAfter instanceof ViewText ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Checks if text needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t * @param {module:engine/view/text~Text} viewText View text to update.\n\t * @param {Object} options\n\t * @param {module:engine/view/position~Position} options.inlineFillerPosition The position where the inline\n\t * filler should be rendered.\n\t */\n\t_updateText( viewText, options ) {\n\t\tconst domText = this.domConverter.findCorrespondingDomText( viewText );\n\t\tconst newDomText = this.domConverter.viewToDom( viewText, domText.ownerDocument );\n\n\t\tconst actualText = domText.data;\n\t\tlet expectedText = newDomText.data;\n\n\t\tconst filler = options.inlineFillerPosition;\n\n\t\tif ( filler && filler.parent == viewText.parent && filler.offset == viewText.index ) {\n\t\t\texpectedText = INLINE_FILLER + expectedText;\n\t\t}\n\n\t\tif ( actualText != expectedText ) {\n\t\t\tconst actions = fastDiff( actualText, expectedText );\n\n\t\t\tfor ( const action of actions ) {\n\t\t\t\tif ( action.type === 'insert' ) {\n\t\t\t\t\tdomText.insertData( action.index, action.values.join( '' ) );\n\t\t\t\t} else { // 'delete'\n\t\t\t\t\tdomText.deleteData( action.index, action.howMany );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks if attribute list needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} viewElement The view element to update.\n\t */\n\t_updateAttrs( viewElement ) {\n\t\tconst domElement = this.domConverter.mapViewToDom( viewElement );\n\n\t\tif ( !domElement ) {\n\t\t\t// If there is no `domElement` it means that 'viewElement' is outdated as its mapping was updated\n\t\t\t// in 'this._updateChildrenMappings()'. There is no need to process it as new view element which\n\t\t\t// replaced old 'viewElement' mapping was also added to 'this.markedAttributes'\n\t\t\t// in 'this._updateChildrenMappings()' so it will be processed separately.\n\t\t\treturn;\n\t\t}\n\n\t\tconst domAttrKeys = Array.from( domElement.attributes ).map( attr => attr.name );\n\t\tconst viewAttrKeys = viewElement.getAttributeKeys();\n\n\t\t// Add or overwrite attributes.\n\t\tfor ( const key of viewAttrKeys ) {\n\t\t\tthis.domConverter.setDomElementAttribute( domElement, key, viewElement.getAttribute( key ), viewElement );\n\t\t}\n\n\t\t// Remove from DOM attributes which do not exists in the view.\n\t\tfor ( const key of domAttrKeys ) {\n\t\t\t// All other attributes not present in the DOM should be removed.\n\t\t\tif ( !viewElement.hasAttribute( key ) ) {\n\t\t\t\tthis.domConverter.removeDomElementAttribute( domElement, key );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks if elements child list needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} viewElement View element to update.\n\t * @param {Object} options\n\t * @param {module:engine/view/position~Position} options.inlineFillerPosition The position where the inline\n\t * filler should be rendered.\n\t */\n\t_updateChildren( viewElement, options ) {\n\t\tconst domElement = this.domConverter.mapViewToDom( viewElement );\n\n\t\tif ( !domElement ) {\n\t\t\t// If there is no `domElement` it means that it was already removed from DOM.\n\t\t\t// There is no need to process it. It will be processed when re-inserted.\n\t\t\treturn;\n\t\t}\n\n\t\tconst inlineFillerPosition = options.inlineFillerPosition;\n\t\tconst actualDomChildren = this.domConverter.mapViewToDom( viewElement ).childNodes;\n\t\tconst expectedDomChildren = Array.from(\n\t\t\tthis.domConverter.viewChildrenToDom( viewElement, domElement.ownerDocument, { bind: true } )\n\t\t);\n\n\t\t// Inline filler element has to be created as it is present in the DOM, but not in the view. It is required\n\t\t// during diffing so text nodes could be compared correctly and also during rendering to maintain\n\t\t// proper order and indexes while updating the DOM.\n\t\tif ( inlineFillerPosition && inlineFillerPosition.parent === viewElement ) {\n\t\t\taddInlineFiller( domElement.ownerDocument, expectedDomChildren, inlineFillerPosition.offset );\n\t\t}\n\n\t\tconst diff = this._diffNodeLists( actualDomChildren, expectedDomChildren );\n\n\t\tlet i = 0;\n\t\tconst nodesToUnbind = new Set();\n\n\t\t// Handle deletions first.\n\t\t// This is to prevent a situation where an element that already exists in `actualDomChildren` is inserted at a different\n\t\t// index in `actualDomChildren`. Since `actualDomChildren` is a `NodeList`, this works like move, not like an insert,\n\t\t// and it disrupts the whole algorithm. See https://github.com/ckeditor/ckeditor5/issues/6367.\n\t\t//\n\t\t// It doesn't matter in what order we remove or add nodes, as long as we remove and add correct nodes at correct indexes.\n\t\tfor ( const action of diff ) {\n\t\t\tif ( action === 'delete' ) {\n\t\t\t\tnodesToUnbind.add( actualDomChildren[ i ] );\n\t\t\t\tremove( actualDomChildren[ i ] );\n\t\t\t} else if ( action === 'equal' ) {\n\t\t\t\ti++;\n\t\t\t}\n\t\t}\n\n\t\ti = 0;\n\n\t\tfor ( const action of diff ) {\n\t\t\tif ( action === 'insert' ) {\n\t\t\t\tinsertAt( domElement, i, expectedDomChildren[ i ] );\n\t\t\t\ti++;\n\t\t\t} else if ( action === 'equal' ) {\n\t\t\t\t// Force updating text nodes inside elements which did not change and do not need to be re-rendered (#1125).\n\t\t\t\t// Do it here (not in the loop above) because only after insertions the `i` index is correct.\n\t\t\t\tthis._markDescendantTextToSync( this.domConverter.domToView( expectedDomChildren[ i ] ) );\n\t\t\t\ti++;\n\t\t\t}\n\t\t}\n\n\t\t// Unbind removed nodes. When node does not have a parent it means that it was removed from DOM tree during\n\t\t// comparison with the expected DOM. We don't need to check child nodes, because if child node was reinserted,\n\t\t// it was moved to DOM tree out of the removed node.\n\t\tfor ( const node of nodesToUnbind ) {\n\t\t\tif ( !node.parentNode ) {\n\t\t\t\tthis.domConverter.unbindDomElement( node );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Shorthand for diffing two arrays or node lists of DOM nodes.\n\t *\n\t * @private\n\t * @param {Array.<Node>|NodeList} actualDomChildren Actual DOM children\n\t * @param {Array.<Node>|NodeList} expectedDomChildren Expected DOM children.\n\t * @returns {Array.<String>} The list of actions based on the {@link module:utils/diff~diff} function.\n\t */\n\t_diffNodeLists( actualDomChildren, expectedDomChildren ) {\n\t\tactualDomChildren = filterOutFakeSelectionContainer( actualDomChildren, this._fakeSelectionContainer );\n\n\t\treturn diff( actualDomChildren, expectedDomChildren, sameNodes.bind( null, this.domConverter ) );\n\t}\n\n\t/**\n\t * Finds DOM nodes that were replaced with the similar nodes (same tag name) in the view. All nodes are compared\n\t * within one `insert`/`delete` action group, for example:\n\t *\n\t * \t\tActual DOM:\t\t<p><b>Foo</b>Bar<i>Baz</i><b>Bax</b></p>\n\t * \t\tExpected DOM:\t<p>Bar<b>123</b><i>Baz</i><b>456</b></p>\n\t * \t\tInput actions:\t[ insert, insert, delete, delete, equal, insert, delete ]\n\t * \t\tOutput actions:\t[ insert, replace, delete, equal, replace ]\n\t *\n\t * @private\n\t * @param {Array.<String>} actions Actions array which is a result of the {@link module:utils/diff~diff} function.\n\t * @param {Array.<Node>|NodeList} actualDom Actual DOM children\n\t * @param {Array.<Node>} expectedDom Expected DOM children.\n\t * @returns {Array.<String>} Actions array modified with the `replace` actions.\n\t */\n\t_findReplaceActions( actions, actualDom, expectedDom ) {\n\t\t// If there is no both 'insert' and 'delete' actions, no need to check for replaced elements.\n\t\tif ( actions.indexOf( 'insert' ) === -1 || actions.indexOf( 'delete' ) === -1 ) {\n\t\t\treturn actions;\n\t\t}\n\n\t\tlet newActions = [];\n\t\tlet actualSlice = [];\n\t\tlet expectedSlice = [];\n\n\t\tconst counter = { equal: 0, insert: 0, delete: 0 };\n\n\t\tfor ( const action of actions ) {\n\t\t\tif ( action === 'insert' ) {\n\t\t\t\texpectedSlice.push( expectedDom[ counter.equal + counter.insert ] );\n\t\t\t} else if ( action === 'delete' ) {\n\t\t\t\tactualSlice.push( actualDom[ counter.equal + counter.delete ] );\n\t\t\t} else { // equal\n\t\t\t\tnewActions = newActions.concat( diff( actualSlice, expectedSlice, areSimilar ).map( x => x === 'equal' ? 'replace' : x ) );\n\t\t\t\tnewActions.push( 'equal' );\n\t\t\t\t// Reset stored elements on 'equal'.\n\t\t\t\tactualSlice = [];\n\t\t\t\texpectedSlice = [];\n\t\t\t}\n\t\t\tcounter[ action ]++;\n\t\t}\n\n\t\treturn newActions.concat( diff( actualSlice, expectedSlice, areSimilar ).map( x => x === 'equal' ? 'replace' : x ) );\n\t}\n\n\t/**\n\t * Marks text nodes to be synchronized.\n\t *\n\t * If a text node is passed, it will be marked. If an element is passed, all descendant text nodes inside it will be marked.\n\t *\n\t * @private\n\t * @param {module:engine/view/node~Node} viewNode View node to sync.\n\t */\n\t_markDescendantTextToSync( viewNode ) {\n\t\tif ( !viewNode ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( viewNode.is( '$text' ) ) {\n\t\t\tthis.markedTexts.add( viewNode );\n\t\t} else if ( viewNode.is( 'element' ) ) {\n\t\t\tfor ( const child of viewNode.getChildren() ) {\n\t\t\t\tthis._markDescendantTextToSync( child );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks if the selection needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t */\n\t_updateSelection() {\n\t\t// Block updating DOM selection in (non-Android) Blink while the user is selecting to prevent accidental selection collapsing.\n\t\t// Note: Structural changes in DOM must trigger selection rendering, though. Nodes the selection was anchored\n\t\t// to, may disappear in DOM which would break the selection (e.g. in real-time collaboration scenarios).\n\t\t// https://github.com/ckeditor/ckeditor5/issues/10562, https://github.com/ckeditor/ckeditor5/issues/10723\n\t\tif ( env.isBlink && !env.isAndroid && this.isSelecting && !this.markedChildren.size ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If there is no selection - remove DOM and fake selections.\n\t\tif ( this.selection.rangeCount === 0 ) {\n\t\t\tthis._removeDomSelection();\n\t\t\tthis._removeFakeSelection();\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst domRoot = this.domConverter.mapViewToDom( this.selection.editableElement );\n\n\t\t// Do nothing if there is no focus, or there is no DOM element corresponding to selection's editable element.\n\t\tif ( !this.isFocused || !domRoot ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Render selection.\n\t\tif ( this.selection.isFake ) {\n\t\t\tthis._updateFakeSelection( domRoot );\n\t\t} else {\n\t\t\tthis._removeFakeSelection();\n\t\t\tthis._updateDomSelection( domRoot );\n\t\t}\n\t}\n\n\t/**\n\t * Updates the fake selection.\n\t *\n\t * @private\n\t * @param {HTMLElement} domRoot A valid DOM root where the fake selection container should be added.\n\t */\n\t_updateFakeSelection( domRoot ) {\n\t\tconst domDocument = domRoot.ownerDocument;\n\n\t\tif ( !this._fakeSelectionContainer ) {\n\t\t\tthis._fakeSelectionContainer = createFakeSelectionContainer( domDocument );\n\t\t}\n\n\t\tconst container = this._fakeSelectionContainer;\n\n\t\t// Bind fake selection container with the current selection *position*.\n\t\tthis.domConverter.bindFakeSelection( container, this.selection );\n\n\t\tif ( !this._fakeSelectionNeedsUpdate( domRoot ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !container.parentElement || container.parentElement != domRoot ) {\n\t\t\tdomRoot.appendChild( container );\n\t\t}\n\n\t\tcontainer.textContent = this.selection.fakeSelectionLabel || '\\u00A0';\n\n\t\tconst domSelection = domDocument.getSelection();\n\t\tconst domRange = domDocument.createRange();\n\n\t\tdomSelection.removeAllRanges();\n\t\tdomRange.selectNodeContents( container );\n\t\tdomSelection.addRange( domRange );\n\t}\n\n\t/**\n\t * Updates the DOM selection.\n\t *\n\t * @private\n\t * @param {HTMLElement} domRoot A valid DOM root where the DOM selection should be rendered.\n\t */\n\t_updateDomSelection( domRoot ) {\n\t\tconst domSelection = domRoot.ownerDocument.defaultView.getSelection();\n\n\t\t// Let's check whether DOM selection needs updating at all.\n\t\tif ( !this._domSelectionNeedsUpdate( domSelection ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Multi-range selection is not available in most browsers, and, at least in Chrome, trying to\n\t\t// set such selection, that is not continuous, throws an error. Because of that, we will just use anchor\n\t\t// and focus of view selection.\n\t\t// Since we are not supporting multi-range selection, we also do not need to check if proper editable is\n\t\t// selected. If there is any editable selected, it is okay (editable is taken from selection anchor).\n\t\tconst anchor = this.domConverter.viewPositionToDom( this.selection.anchor );\n\t\tconst focus = this.domConverter.viewPositionToDom( this.selection.focus );\n\n\t\tdomSelection.collapse( anchor.parent, anchor.offset );\n\t\tdomSelection.extend( focus.parent, focus.offset );\n\n\t\t// Firefox–specific hack (https://github.com/ckeditor/ckeditor5-engine/issues/1439).\n\t\tif ( env.isGecko ) {\n\t\t\tfixGeckoSelectionAfterBr( focus, domSelection );\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether a given DOM selection needs to be updated.\n\t *\n\t * @private\n\t * @param {Selection} domSelection The DOM selection to check.\n\t * @returns {Boolean}\n\t */\n\t_domSelectionNeedsUpdate( domSelection ) {\n\t\tif ( !this.domConverter.isDomSelectionCorrect( domSelection ) ) {\n\t\t\t// Current DOM selection is in incorrect position. We need to update it.\n\t\t\treturn true;\n\t\t}\n\n\t\tconst oldViewSelection = domSelection && this.domConverter.domSelectionToView( domSelection );\n\n\t\tif ( oldViewSelection && this.selection.isEqual( oldViewSelection ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// If selection is not collapsed, it does not need to be updated if it is similar.\n\t\tif ( !this.selection.isCollapsed && this.selection.isSimilar( oldViewSelection ) ) {\n\t\t\t// Selection did not changed and is correct, do not update.\n\t\t\treturn false;\n\t\t}\n\n\t\t// Selections are not similar.\n\t\treturn true;\n\t}\n\n\t/**\n\t * Checks whether the fake selection needs to be updated.\n\t *\n\t * @private\n\t * @param {HTMLElement} domRoot A valid DOM root where a new fake selection container should be added.\n\t * @returns {Boolean}\n\t */\n\t_fakeSelectionNeedsUpdate( domRoot ) {\n\t\tconst container = this._fakeSelectionContainer;\n\t\tconst domSelection = domRoot.ownerDocument.getSelection();\n\n\t\t// Fake selection needs to be updated if there's no fake selection container, or the container currently sits\n\t\t// in a different root.\n\t\tif ( !container || container.parentElement !== domRoot ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Make sure that the selection actually is within the fake selection.\n\t\tif ( domSelection.anchorNode !== container && !container.contains( domSelection.anchorNode ) ) {\n\t\t\treturn true;\n\t\t}\n\n\t\treturn container.textContent !== this.selection.fakeSelectionLabel;\n\t}\n\n\t/**\n\t * Removes the DOM selection.\n\t *\n\t * @private\n\t */\n\t_removeDomSelection() {\n\t\tfor ( const doc of this.domDocuments ) {\n\t\t\tconst domSelection = doc.getSelection();\n\n\t\t\tif ( domSelection.rangeCount ) {\n\t\t\t\tconst activeDomElement = doc.activeElement;\n\t\t\t\tconst viewElement = this.domConverter.mapDomToView( activeDomElement );\n\n\t\t\t\tif ( activeDomElement && viewElement ) {\n\t\t\t\t\tdoc.getSelection().removeAllRanges();\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Removes the fake selection.\n\t *\n\t * @private\n\t */\n\t_removeFakeSelection() {\n\t\tconst container = this._fakeSelectionContainer;\n\n\t\tif ( container ) {\n\t\t\tcontainer.remove();\n\t\t}\n\t}\n\n\t/**\n\t * Checks if focus needs to be updated and possibly updates it.\n\t *\n\t * @private\n\t */\n\t_updateFocus() {\n\t\tif ( this.isFocused ) {\n\t\t\tconst editable = this.selection.editableElement;\n\n\t\t\tif ( editable ) {\n\t\t\t\tthis.domConverter.focus( editable );\n\t\t\t}\n\t\t}\n\t}\n}\n\nmix( Renderer, ObservableMixin );\n\n// Checks if provided element is editable.\n//\n// @private\n// @param {module:engine/view/element~Element} element\n// @returns {Boolean}\nfunction isEditable( element ) {\n\tif ( element.getAttribute( 'contenteditable' ) == 'false' ) {\n\t\treturn false;\n\t}\n\n\tconst parent = element.findAncestor( element => element.hasAttribute( 'contenteditable' ) );\n\n\treturn !parent || parent.getAttribute( 'contenteditable' ) == 'true';\n}\n\n// Adds inline filler at a given position.\n//\n// The position can be given as an array of DOM nodes and an offset in that array,\n// or a DOM parent element and an offset in that element.\n//\n// @private\n// @param {Document} domDocument\n// @param {Element|Array.<Node>} domParentOrArray\n// @param {Number} offset\n// @returns {Text} The DOM text node that contains an inline filler.\nfunction addInlineFiller( domDocument, domParentOrArray, offset ) {\n\tconst childNodes = domParentOrArray instanceof Array ? domParentOrArray : domParentOrArray.childNodes;\n\tconst nodeAfterFiller = childNodes[ offset ];\n\n\tif ( isText( nodeAfterFiller ) ) {\n\t\tnodeAfterFiller.data = INLINE_FILLER + nodeAfterFiller.data;\n\n\t\treturn nodeAfterFiller;\n\t} else {\n\t\tconst fillerNode = domDocument.createTextNode( INLINE_FILLER );\n\n\t\tif ( Array.isArray( domParentOrArray ) ) {\n\t\t\tchildNodes.splice( offset, 0, fillerNode );\n\t\t} else {\n\t\t\tinsertAt( domParentOrArray, offset, fillerNode );\n\t\t}\n\n\t\treturn fillerNode;\n\t}\n}\n\n// Whether two DOM nodes should be considered as similar.\n// Nodes are considered similar if they have the same tag name.\n//\n// @private\n// @param {Node} node1\n// @param {Node} node2\n// @returns {Boolean}\nfunction areSimilar( node1, node2 ) {\n\treturn isNode( node1 ) && isNode( node2 ) &&\n\t\t!isText( node1 ) && !isText( node2 ) &&\n\t\t!isComment( node1 ) && !isComment( node2 ) &&\n\t\tnode1.tagName.toLowerCase() === node2.tagName.toLowerCase();\n}\n\n// Whether two dom nodes should be considered as the same.\n// Two nodes which are considered the same are:\n//\n//\t\t* Text nodes with the same text.\n//\t\t* Element nodes represented by the same object.\n//\t\t* Two block filler elements.\n//\n// @private\n// @param {String} blockFillerMode Block filler mode, see {@link module:engine/view/domconverter~DomConverter#blockFillerMode}.\n// @param {Node} node1\n// @param {Node} node2\n// @returns {Boolean}\nfunction sameNodes( domConverter, actualDomChild, expectedDomChild ) {\n\t// Elements.\n\tif ( actualDomChild === expectedDomChild ) {\n\t\treturn true;\n\t}\n\t// Texts.\n\telse if ( isText( actualDomChild ) && isText( expectedDomChild ) ) {\n\t\treturn actualDomChild.data === expectedDomChild.data;\n\t}\n\t// Block fillers.\n\telse if ( domConverter.isBlockFiller( actualDomChild ) &&\n\t\tdomConverter.isBlockFiller( expectedDomChild ) ) {\n\t\treturn true;\n\t}\n\n\t// Not matching types.\n\treturn false;\n}\n\n// The following is a Firefox–specific hack (https://github.com/ckeditor/ckeditor5-engine/issues/1439).\n// When the native DOM selection is at the end of the block and preceded by <br /> e.g.\n//\n//\t\t<p>foo<br/>[]</p>\n//\n// which happens a lot when using the soft line break, the browser fails to (visually) move the\n// caret to the new line. A quick fix is as simple as force–refreshing the selection with the same range.\nfunction fixGeckoSelectionAfterBr( focus, domSelection ) {\n\tconst parent = focus.parent;\n\n\t// This fix works only when the focus point is at the very end of an element.\n\t// There is no point in running it in cases unrelated to the browser bug.\n\tif ( parent.nodeType != Node.ELEMENT_NODE || focus.offset != parent.childNodes.length - 1 ) {\n\t\treturn;\n\t}\n\n\tconst childAtOffset = parent.childNodes[ focus.offset ];\n\n\t// To stay on the safe side, the fix being as specific as possible, it targets only the\n\t// selection which is at the very end of the element and preceded by <br />.\n\tif ( childAtOffset && childAtOffset.tagName == 'BR' ) {\n\t\tdomSelection.addRange( domSelection.getRangeAt( 0 ) );\n\t}\n}\n\nfunction filterOutFakeSelectionContainer( domChildList, fakeSelectionContainer ) {\n\tconst childList = Array.from( domChildList );\n\n\tif ( childList.length == 0 || !fakeSelectionContainer ) {\n\t\treturn childList;\n\t}\n\n\tconst last = childList[ childList.length - 1 ];\n\n\tif ( last == fakeSelectionContainer ) {\n\t\tchildList.pop();\n\t}\n\n\treturn childList;\n}\n\n// Creates a fake selection container for a given document.\n//\n// @private\n// @param {Document} domDocument\n// @returns {HTMLElement}\nfunction createFakeSelectionContainer( domDocument ) {\n\tconst container = domDocument.createElement( 'div' );\n\n\tcontainer.className = 'ck-fake-selection-container';\n\n\tObject.assign( container.style, {\n\t\tposition: 'fixed',\n\t\ttop: 0,\n\t\tleft: '-9999px',\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/752.\n\t\twidth: '42px'\n\t} );\n\n\t// Fill it with a text node so we can update it later.\n\tcontainer.textContent = '\\u00A0';\n\n\treturn container;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals window, document */\n\n/**\n * @module utils/dom/global\n */\n\n/**\n * A helper (module) giving an access to the global DOM objects such as `window` and\n * `document`. Accessing these objects using this helper allows easy and bulletproof\n * testing, i.e. stubbing native properties:\n *\n *\t\timport global from 'ckeditor5/utils/dom/global.js';\n *\n *\t\t// This stub will work for any code using global module.\n *\t\ttestUtils.sinon.stub( global, 'window', {\n *\t\t\tinnerWidth: 10000\n *\t\t} );\n *\n *\t\tconsole.log( global.window.innerWidth );\n */\nexport default { window, document };\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/indexof\n */\n\n/**\n * Returns index of the node in the parent element.\n *\n * @param {Node} node Node which index is tested.\n * @returns {Number} Index of the node in the parent element. Returns 0 if node has no parent.\n */\nexport default function indexOf( node ) {\n\tlet index = 0;\n\n\twhile ( node.previousSibling ) {\n\t\tnode = node.previousSibling;\n\t\tindex++;\n\t}\n\n\treturn index;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals Node */\n\n/**\n * @module utils/dom/getancestors\n */\n\n/**\n * Returns all ancestors of given DOM node, starting from the top-most (root). Includes the given node itself. If the\n * node is a part of `DocumentFragment` that `DocumentFragment` will be returned. In contrary, if the node is\n * appended to a `Document`, that `Document` will not be returned (algorithms operating on DOM tree care for `Document#documentElement`\n * at most, which will be returned).\n *\n * @param {Node} node DOM node.\n * @returns {Array.<Node|DocumentFragment>} Array of given `node` parents.\n */\nexport default function getAncestors( node ) {\n\tconst nodes = [];\n\n\t// We are interested in `Node`s `DocumentFragment`s only.\n\twhile ( node && node.nodeType != Node.DOCUMENT_NODE ) {\n\t\tnodes.unshift( node );\n\t\tnode = node.parentNode;\n\t}\n\n\treturn nodes;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/domconverter\n */\n\n/* globals document, Node, NodeFilter, DOMParser, Text */\n\nimport ViewText from './text';\nimport ViewElement from './element';\nimport ViewUIElement from './uielement';\nimport ViewPosition from './position';\nimport ViewRange from './range';\nimport ViewSelection from './selection';\nimport ViewDocumentFragment from './documentfragment';\nimport ViewTreeWalker from './treewalker';\nimport Matcher from './matcher';\nimport {\n\tBR_FILLER, INLINE_FILLER_LENGTH, NBSP_FILLER, MARKED_NBSP_FILLER,\n\tgetDataWithoutFiller, isInlineFiller, startsWithFiller\n} from './filler';\n\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport indexOf from '@ckeditor/ckeditor5-utils/src/dom/indexof';\nimport getAncestors from '@ckeditor/ckeditor5-utils/src/dom/getancestors';\nimport isText from '@ckeditor/ckeditor5-utils/src/dom/istext';\nimport isComment from '@ckeditor/ckeditor5-utils/src/dom/iscomment';\n\nconst BR_FILLER_REF = BR_FILLER( document ); // eslint-disable-line new-cap\nconst NBSP_FILLER_REF = NBSP_FILLER( document ); // eslint-disable-line new-cap\nconst MARKED_NBSP_FILLER_REF = MARKED_NBSP_FILLER( document ); // eslint-disable-line new-cap\nconst UNSAFE_ATTRIBUTE_NAME_PREFIX = 'data-ck-unsafe-attribute-';\nconst UNSAFE_ELEMENT_REPLACEMENT_ATTRIBUTE = 'data-ck-unsafe-element';\n\n/**\n * `DomConverter` is a set of tools to do transformations between DOM nodes and view nodes. It also handles\n * {@link module:engine/view/domconverter~DomConverter#bindElements bindings} between these nodes.\n *\n * An instance of the DOM converter is available under\n * {@link module:engine/view/view~View#domConverter `editor.editing.view.domConverter`}.\n *\n * The DOM converter does not check which nodes should be rendered (use {@link module:engine/view/renderer~Renderer}), does not keep the\n * state of a tree nor keeps the synchronization between the tree view and the DOM tree (use {@link module:engine/view/document~Document}).\n *\n * The DOM converter keeps DOM elements to view element bindings, so when the converter gets destroyed, the bindings are lost.\n * Two converters will keep separate binding maps, so one tree view can be bound with two DOM trees.\n */\nexport default class DomConverter {\n\t/**\n\t * Creates a DOM converter.\n\t *\n\t * @param {module:engine/view/document~Document} document The view document instance.\n\t * @param {Object} options An object with configuration options.\n\t * @param {module:engine/view/filler~BlockFillerMode} [options.blockFillerMode] The type of the block filler to use.\n\t * Default value depends on the options.renderingMode:\n\t *  'nbsp' when options.renderingMode == 'data',\n\t *  'br' when options.renderingMode == 'editing'.\n\t * @param {'data'|'editing'} [options.renderingMode='editing'] Whether to leave the View-to-DOM conversion result unchanged\n\t * or improve editing experience by filtering out interactive data.\n\t */\n\tconstructor( document, options = {} ) {\n\t\t/**\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\n\t\t/**\n\t\t * Whether to leave the View-to-DOM conversion result unchanged or improve editing experience by filtering out interactive data.\n\t\t *\n\t\t * @member {'data'|'editing'} module:engine/view/domconverter~DomConverter#renderingMode\n\t\t */\n\t\tthis.renderingMode = options.renderingMode || 'editing';\n\n\t\t/**\n\t\t * The mode of a block filler used by the DOM converter.\n\t\t *\n\t\t * @member {'br'|'nbsp'|'markedNbsp'} module:engine/view/domconverter~DomConverter#blockFillerMode\n\t\t */\n\t\tthis.blockFillerMode = options.blockFillerMode || ( this.renderingMode === 'editing' ? 'br' : 'nbsp' );\n\n\t\t/**\n\t\t * Elements which are considered pre-formatted elements.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<String>} module:engine/view/domconverter~DomConverter#preElements\n\t\t */\n\t\tthis.preElements = [ 'pre' ];\n\n\t\t/**\n\t\t * Elements which are considered block elements (and hence should be filled with a\n\t\t * {@link #isBlockFiller block filler}).\n\t\t *\n\t\t * Whether an element is considered a block element also affects handling of trailing whitespaces.\n\t\t *\n\t\t * You can extend this array if you introduce support for block elements which are not yet recognized here.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<String>} module:engine/view/domconverter~DomConverter#blockElements\n\t\t */\n\t\tthis.blockElements = [\n\t\t\t'address', 'article', 'aside', 'blockquote', 'caption', 'center', 'dd', 'details', 'dir', 'div',\n\t\t\t'dl', 'dt', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header',\n\t\t\t'hgroup', 'legend', 'li', 'main', 'menu', 'nav', 'ol', 'p', 'pre', 'section', 'summary', 'table', 'tbody',\n\t\t\t'td', 'tfoot', 'th', 'thead', 'tr', 'ul'\n\t\t];\n\n\t\t/**\n\t\t * A list of elements that exist inline (in text) but their inner structure cannot be edited because\n\t\t * of the way they are rendered by the browser. They are mostly HTML form elements but there are other\n\t\t * elements such as `<img>` or `<iframe>` that also have non-editable children or no children whatsoever.\n\t\t *\n\t\t * Whether an element is considered an inline object has an impact on white space rendering (trimming)\n\t\t * around (and inside of it). In short, white spaces in text nodes next to inline objects are not trimmed.\n\t\t *\n\t\t * You can extend this array if you introduce support for inline object elements which are not yet recognized here.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<String>} module:engine/view/domconverter~DomConverter#inlineObjectElements\n\t\t */\n\t\tthis.inlineObjectElements = [\n\t\t\t'object', 'iframe', 'input', 'button', 'textarea', 'select', 'option', 'video', 'embed', 'audio', 'img', 'canvas'\n\t\t];\n\n\t\t/**\n\t\t * The DOM-to-view mapping.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap} module:engine/view/domconverter~DomConverter#_domToViewMapping\n\t\t */\n\t\tthis._domToViewMapping = new WeakMap();\n\n\t\t/**\n\t\t * The view-to-DOM mapping.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap} module:engine/view/domconverter~DomConverter#_viewToDomMapping\n\t\t */\n\t\tthis._viewToDomMapping = new WeakMap();\n\n\t\t/**\n\t\t * Holds the mapping between fake selection containers and corresponding view selections.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap} module:engine/view/domconverter~DomConverter#_fakeSelectionMapping\n\t\t */\n\t\tthis._fakeSelectionMapping = new WeakMap();\n\n\t\t/**\n\t\t * Matcher for view elements whose content should be treated as raw data\n\t\t * and not processed during the conversion from DOM nodes to view elements.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/view/matcher~Matcher}\n\t\t */\n\t\tthis._rawContentElementMatcher = new Matcher();\n\n\t\t/**\n\t\t * A set of encountered raw content DOM nodes. It is used for preventing left trimming of the following text node.\n\t\t *\n\t\t * @private\n\t\t * @type {WeakSet.<Node>}\n\t\t */\n\t\tthis._encounteredRawContentDomNodes = new WeakSet();\n\t}\n\n\t/**\n\t * Binds a given DOM element that represents fake selection to a **position** of a\n\t * {@link module:engine/view/documentselection~DocumentSelection document selection}.\n\t * Document selection copy is stored and can be retrieved by the\n\t * {@link module:engine/view/domconverter~DomConverter#fakeSelectionToView} method.\n\t *\n\t * @param {HTMLElement} domElement\n\t * @param {module:engine/view/documentselection~DocumentSelection} viewDocumentSelection\n\t */\n\tbindFakeSelection( domElement, viewDocumentSelection ) {\n\t\tthis._fakeSelectionMapping.set( domElement, new ViewSelection( viewDocumentSelection ) );\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/view/selection~Selection view selection} instance corresponding to a given\n\t * DOM element that represents fake selection. Returns `undefined` if binding to the given DOM element does not exist.\n\t *\n\t * @param {HTMLElement} domElement\n\t * @returns {module:engine/view/selection~Selection|undefined}\n\t */\n\tfakeSelectionToView( domElement ) {\n\t\treturn this._fakeSelectionMapping.get( domElement );\n\t}\n\n\t/**\n\t * Binds DOM and view elements, so it will be possible to get corresponding elements using\n\t * {@link module:engine/view/domconverter~DomConverter#mapDomToView} and\n\t * {@link module:engine/view/domconverter~DomConverter#mapViewToDom}.\n\t *\n\t * @param {HTMLElement} domElement The DOM element to bind.\n\t * @param {module:engine/view/element~Element} viewElement The view element to bind.\n\t */\n\tbindElements( domElement, viewElement ) {\n\t\tthis._domToViewMapping.set( domElement, viewElement );\n\t\tthis._viewToDomMapping.set( viewElement, domElement );\n\t}\n\n\t/**\n\t * Unbinds a given DOM element from the view element it was bound to. Unbinding is deep, meaning that all children of\n\t * the DOM element will be unbound too.\n\t *\n\t * @param {HTMLElement} domElement The DOM element to unbind.\n\t */\n\tunbindDomElement( domElement ) {\n\t\tconst viewElement = this._domToViewMapping.get( domElement );\n\n\t\tif ( viewElement ) {\n\t\t\tthis._domToViewMapping.delete( domElement );\n\t\t\tthis._viewToDomMapping.delete( viewElement );\n\n\t\t\tfor ( const child of domElement.childNodes ) {\n\t\t\t\tthis.unbindDomElement( child );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Binds DOM and view document fragments, so it will be possible to get corresponding document fragments using\n\t * {@link module:engine/view/domconverter~DomConverter#mapDomToView} and\n\t * {@link module:engine/view/domconverter~DomConverter#mapViewToDom}.\n\t *\n\t * @param {DocumentFragment} domFragment The DOM document fragment to bind.\n\t * @param {module:engine/view/documentfragment~DocumentFragment} viewFragment The view document fragment to bind.\n\t */\n\tbindDocumentFragments( domFragment, viewFragment ) {\n\t\tthis._domToViewMapping.set( domFragment, viewFragment );\n\t\tthis._viewToDomMapping.set( viewFragment, domFragment );\n\t}\n\n\t/**\n\t * Decides whether a given pair of attribute key and value should be passed further down the pipeline.\n\t *\n\t * @param {String} attributeKey\n\t * @param {String} attributeValue\n\t * @param {String} elementName Element name in lower case.\n\t * @returns {Boolean}\n\t */\n\tshouldRenderAttribute( attributeKey, attributeValue, elementName ) {\n\t\tif ( this.renderingMode === 'data' ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tattributeKey = attributeKey.toLowerCase();\n\n\t\tif ( attributeKey.startsWith( 'on' ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif (\n\t\t\tattributeKey === 'srcdoc' &&\n\t\t\tattributeValue.match( /\\bon\\S+\\s*=|javascript:|<\\s*\\/*script/i )\n\t\t) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif (\n\t\t\telementName === 'img' &&\n\t\t\t( attributeKey === 'src' || attributeKey === 'srcset' )\n\t\t) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif ( elementName === 'source' && attributeKey === 'srcset' ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif ( attributeValue.match( /^\\s*(javascript:|data:(image\\/svg|text\\/x?html))/i ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Set `domElement`'s content using provided `html` argument. Apply necessary filtering for the editing pipeline.\n\t *\n\t * @param {Element} domElement DOM element that should have `html` set as its content.\n\t * @param {String} html Textual representation of the HTML that will be set on `domElement`.\n\t */\n\tsetContentOf( domElement, html ) {\n\t\t// For data pipeline we pass the HTML as-is.\n\t\tif ( this.renderingMode === 'data' ) {\n\t\t\tdomElement.innerHTML = html;\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst document = new DOMParser().parseFromString( html, 'text/html' );\n\t\tconst fragment = document.createDocumentFragment();\n\t\tconst bodyChildNodes = document.body.childNodes;\n\n\t\twhile ( bodyChildNodes.length > 0 ) {\n\t\t\tfragment.appendChild( bodyChildNodes[ 0 ] );\n\t\t}\n\n\t\tconst treeWalker = document.createTreeWalker( fragment, NodeFilter.SHOW_ELEMENT );\n\t\tconst nodes = [];\n\n\t\tlet currentNode;\n\n\t\t// eslint-disable-next-line no-cond-assign\n\t\twhile ( currentNode = treeWalker.nextNode() ) {\n\t\t\tnodes.push( currentNode );\n\t\t}\n\n\t\tfor ( const currentNode of nodes ) {\n\t\t\t// Go through nodes to remove those that are prohibited in editing pipeline.\n\t\t\tfor ( const attributeName of currentNode.getAttributeNames() ) {\n\t\t\t\tthis.setDomElementAttribute( currentNode, attributeName, currentNode.getAttribute( attributeName ) );\n\t\t\t}\n\n\t\t\tconst elementName = currentNode.tagName.toLowerCase();\n\n\t\t\t// There are certain nodes, that should be renamed to <span> in editing pipeline.\n\t\t\tif ( this._shouldRenameElement( elementName ) ) {\n\t\t\t\tlogWarning( 'domconverter-unsafe-element-detected', { unsafeElement: currentNode } );\n\n\t\t\t\tcurrentNode.replaceWith( this._createReplacementDomElement( elementName, currentNode ) );\n\t\t\t}\n\t\t}\n\n\t\t// Empty the target element.\n\t\twhile ( domElement.firstChild ) {\n\t\t\tdomElement.firstChild.remove();\n\t\t}\n\n\t\tdomElement.append( fragment );\n\t}\n\n\t/**\n\t * Converts the view to the DOM. For all text nodes, not bound elements and document fragments new items will\n\t * be created. For bound elements and document fragments the method will return corresponding items.\n\t *\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} viewNode\n\t * View node or document fragment to transform.\n\t * @param {Document} domDocument Document which will be used to create DOM nodes.\n\t * @param {Object} [options] Conversion options.\n\t * @param {Boolean} [options.bind=false] Determines whether new elements will be bound.\n\t * @param {Boolean} [options.withChildren=true] If `true`, node's and document fragment's children will be converted too.\n\t * @returns {Node|DocumentFragment} Converted node or DocumentFragment.\n\t */\n\tviewToDom( viewNode, domDocument, options = {} ) {\n\t\tif ( viewNode.is( '$text' ) ) {\n\t\t\tconst textData = this._processDataFromViewText( viewNode );\n\n\t\t\treturn domDocument.createTextNode( textData );\n\t\t} else {\n\t\t\tif ( this.mapViewToDom( viewNode ) ) {\n\t\t\t\treturn this.mapViewToDom( viewNode );\n\t\t\t}\n\n\t\t\tlet domElement;\n\n\t\t\tif ( viewNode.is( 'documentFragment' ) ) {\n\t\t\t\t// Create DOM document fragment.\n\t\t\t\tdomElement = domDocument.createDocumentFragment();\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindDocumentFragments( domElement, viewNode );\n\t\t\t\t}\n\t\t\t} else if ( viewNode.is( 'uiElement' ) ) {\n\t\t\t\tif ( viewNode.name === '$comment' ) {\n\t\t\t\t\tdomElement = domDocument.createComment( viewNode.getCustomProperty( '$rawContent' ) );\n\t\t\t\t} else {\n\t\t\t\t\t// UIElement has its own render() method (see #799).\n\t\t\t\t\tdomElement = viewNode.render( domDocument, this );\n\t\t\t\t}\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindElements( domElement, viewNode );\n\t\t\t\t}\n\n\t\t\t\treturn domElement;\n\t\t\t} else {\n\t\t\t\t// Create DOM element.\n\t\t\t\tif ( this._shouldRenameElement( viewNode.name ) ) {\n\t\t\t\t\tlogWarning( 'domconverter-unsafe-element-detected', { unsafeElement: viewNode } );\n\n\t\t\t\t\tdomElement = this._createReplacementDomElement( viewNode.name );\n\t\t\t\t} else if ( viewNode.hasAttribute( 'xmlns' ) ) {\n\t\t\t\t\tdomElement = domDocument.createElementNS( viewNode.getAttribute( 'xmlns' ), viewNode.name );\n\t\t\t\t} else {\n\t\t\t\t\tdomElement = domDocument.createElement( viewNode.name );\n\t\t\t\t}\n\n\t\t\t\t// RawElement take care of their children in RawElement#render() method which can be customized\n\t\t\t\t// (see https://github.com/ckeditor/ckeditor5/issues/4469).\n\t\t\t\tif ( viewNode.is( 'rawElement' ) ) {\n\t\t\t\t\tviewNode.render( domElement, this );\n\t\t\t\t}\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindElements( domElement, viewNode );\n\t\t\t\t}\n\n\t\t\t\t// Copy element's attributes.\n\t\t\t\tfor ( const key of viewNode.getAttributeKeys() ) {\n\t\t\t\t\tthis.setDomElementAttribute( domElement, key, viewNode.getAttribute( key ), viewNode );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( options.withChildren !== false ) {\n\t\t\t\tfor ( const child of this.viewChildrenToDom( viewNode, domDocument, options ) ) {\n\t\t\t\t\tdomElement.appendChild( child );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn domElement;\n\t\t}\n\t}\n\n\t/**\n\t * Sets the attribute on a DOM element.\n\t *\n\t * **Note**: To remove the attribute, use {@link #removeDomElementAttribute}.\n\t *\n\t * @param {HTMLElement} domElement The DOM element the attribute should be set on.\n\t * @param {String} key The name of the attribute.\n\t * @param {String} value The value of the attribute.\n\t * @param {module:engine/view/element~Element} [relatedViewElement] The view element related to the `domElement` (if there is any).\n\t * It helps decide whether the attribute set is unsafe. For instance, view elements created via\n\t * {@link module:engine/view/downcastwriter~DowncastWriter} methods can allow certain attributes that would normally be filtered out.\n\t */\n\tsetDomElementAttribute( domElement, key, value, relatedViewElement = null ) {\n\t\tconst shouldRenderAttribute = this.shouldRenderAttribute( key, value, domElement.tagName.toLowerCase() ) ||\n\t\t\trelatedViewElement && relatedViewElement.shouldRenderUnsafeAttribute( key );\n\n\t\tif ( !shouldRenderAttribute ) {\n\t\t\tlogWarning( 'domconverter-unsafe-attribute-detected', { domElement, key, value } );\n\t\t}\n\n\t\t// The old value was safe but the new value is unsafe.\n\t\tif ( domElement.hasAttribute( key ) && !shouldRenderAttribute ) {\n\t\t\tdomElement.removeAttribute( key );\n\t\t}\n\t\t// The old value was unsafe (but prefixed) but the new value will be safe (will be unprefixed).\n\t\telse if ( domElement.hasAttribute( UNSAFE_ATTRIBUTE_NAME_PREFIX + key ) && shouldRenderAttribute ) {\n\t\t\tdomElement.removeAttribute( UNSAFE_ATTRIBUTE_NAME_PREFIX + key );\n\t\t}\n\n\t\t// If the attribute should not be rendered, rename it (instead of removing) to give developers some idea of what\n\t\t// is going on (https://github.com/ckeditor/ckeditor5/issues/10801).\n\t\tdomElement.setAttribute( shouldRenderAttribute ? key : UNSAFE_ATTRIBUTE_NAME_PREFIX + key, value );\n\t}\n\n\t/**\n\t * Removes an attribute from a DOM element.\n\t *\n\t * **Note**: To set the attribute, use {@link #setDomElementAttribute}.\n\t *\n\t * @param {HTMLElement} domElement The DOM element the attribute should be removed from.\n\t * @param {String} key The name of the attribute.\n\t */\n\tremoveDomElementAttribute( domElement, key ) {\n\t\t// See #_createReplacementDomElement() to learn what this is.\n\t\tif ( key == UNSAFE_ELEMENT_REPLACEMENT_ATTRIBUTE ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdomElement.removeAttribute( key );\n\n\t\t// See setDomElementAttribute() to learn what this is.\n\t\tdomElement.removeAttribute( UNSAFE_ATTRIBUTE_NAME_PREFIX + key );\n\t}\n\n\t/**\n\t * Converts children of the view element to DOM using the\n\t * {@link module:engine/view/domconverter~DomConverter#viewToDom} method.\n\t * Additionally, this method adds block {@link module:engine/view/filler filler} to the list of children, if needed.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} viewElement Parent view element.\n\t * @param {Document} domDocument Document which will be used to create DOM nodes.\n\t * @param {Object} options See {@link module:engine/view/domconverter~DomConverter#viewToDom} options parameter.\n\t * @returns {Iterable.<Node>} DOM nodes.\n\t */\n\t* viewChildrenToDom( viewElement, domDocument, options = {} ) {\n\t\tconst fillerPositionOffset = viewElement.getFillerOffset && viewElement.getFillerOffset();\n\t\tlet offset = 0;\n\n\t\tfor ( const childView of viewElement.getChildren() ) {\n\t\t\tif ( fillerPositionOffset === offset ) {\n\t\t\t\tyield this._getBlockFiller( domDocument );\n\t\t\t}\n\n\t\t\tyield this.viewToDom( childView, domDocument, options );\n\n\t\t\toffset++;\n\t\t}\n\n\t\tif ( fillerPositionOffset === offset ) {\n\t\t\tyield this._getBlockFiller( domDocument );\n\t\t}\n\t}\n\n\t/**\n\t * Converts view {@link module:engine/view/range~Range} to DOM range.\n\t * Inline and block {@link module:engine/view/filler fillers} are handled during the conversion.\n\t *\n\t * @param {module:engine/view/range~Range} viewRange View range.\n\t * @returns {Range} DOM range.\n\t */\n\tviewRangeToDom( viewRange ) {\n\t\tconst domStart = this.viewPositionToDom( viewRange.start );\n\t\tconst domEnd = this.viewPositionToDom( viewRange.end );\n\n\t\tconst domRange = document.createRange();\n\t\tdomRange.setStart( domStart.parent, domStart.offset );\n\t\tdomRange.setEnd( domEnd.parent, domEnd.offset );\n\n\t\treturn domRange;\n\t}\n\n\t/**\n\t * Converts view {@link module:engine/view/position~Position} to DOM parent and offset.\n\t *\n\t * Inline and block {@link module:engine/view/filler fillers} are handled during the conversion.\n\t * If the converted position is directly before inline filler it is moved inside the filler.\n\t *\n\t * @param {module:engine/view/position~Position} viewPosition View position.\n\t * @returns {Object|null} position DOM position or `null` if view position could not be converted to DOM.\n\t * @returns {Node} position.parent DOM position parent.\n\t * @returns {Number} position.offset DOM position offset.\n\t */\n\tviewPositionToDom( viewPosition ) {\n\t\tconst viewParent = viewPosition.parent;\n\n\t\tif ( viewParent.is( '$text' ) ) {\n\t\t\tconst domParent = this.findCorrespondingDomText( viewParent );\n\n\t\t\tif ( !domParent ) {\n\t\t\t\t// Position is in a view text node that has not been rendered to DOM yet.\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tlet offset = viewPosition.offset;\n\n\t\t\tif ( startsWithFiller( domParent ) ) {\n\t\t\t\toffset += INLINE_FILLER_LENGTH;\n\t\t\t}\n\n\t\t\treturn { parent: domParent, offset };\n\t\t} else {\n\t\t\t// viewParent is instance of ViewElement.\n\t\t\tlet domParent, domBefore, domAfter;\n\n\t\t\tif ( viewPosition.offset === 0 ) {\n\t\t\t\tdomParent = this.mapViewToDom( viewParent );\n\n\t\t\t\tif ( !domParent ) {\n\t\t\t\t\t// Position is in a view element that has not been rendered to DOM yet.\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tdomAfter = domParent.childNodes[ 0 ];\n\t\t\t} else {\n\t\t\t\tconst nodeBefore = viewPosition.nodeBefore;\n\n\t\t\t\tdomBefore = nodeBefore.is( '$text' ) ?\n\t\t\t\t\tthis.findCorrespondingDomText( nodeBefore ) :\n\t\t\t\t\tthis.mapViewToDom( viewPosition.nodeBefore );\n\n\t\t\t\tif ( !domBefore ) {\n\t\t\t\t\t// Position is after a view element that has not been rendered to DOM yet.\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tdomParent = domBefore.parentNode;\n\t\t\t\tdomAfter = domBefore.nextSibling;\n\t\t\t}\n\n\t\t\t// If there is an inline filler at position return position inside the filler. We should never return\n\t\t\t// the position before the inline filler.\n\t\t\tif ( isText( domAfter ) && startsWithFiller( domAfter ) ) {\n\t\t\t\treturn { parent: domAfter, offset: INLINE_FILLER_LENGTH };\n\t\t\t}\n\n\t\t\tconst offset = domBefore ? indexOf( domBefore ) + 1 : 0;\n\n\t\t\treturn { parent: domParent, offset };\n\t\t}\n\t}\n\n\t/**\n\t * Converts DOM to view. For all text nodes, not bound elements and document fragments new items will\n\t * be created. For bound elements and document fragments function will return corresponding items. For\n\t * {@link module:engine/view/filler fillers} `null` will be returned.\n\t * For all DOM elements rendered by {@link module:engine/view/uielement~UIElement} that UIElement will be returned.\n\t *\n\t * @param {Node|DocumentFragment} domNode DOM node or document fragment to transform.\n\t * @param {Object} [options] Conversion options.\n\t * @param {Boolean} [options.bind=false] Determines whether new elements will be bound.\n\t * @param {Boolean} [options.withChildren=true] If `true`, node's and document fragment's children will be converted too.\n\t * @param {Boolean} [options.keepOriginalCase=false] If `false`, node's tag name will be converted to lower case.\n\t * @param {Boolean} [options.skipComments=false] If `false`, comment nodes will be converted to `$comment`\n\t * {@link module:engine/view/uielement~UIElement view UI elements}.\n\t * @returns {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment|null} Converted node or document fragment\n\t * or `null` if DOM node is a {@link module:engine/view/filler filler} or the given node is an empty text node.\n\t */\n\tdomToView( domNode, options = {} ) {\n\t\tif ( this.isBlockFiller( domNode ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// When node is inside a UIElement or a RawElement return that parent as it's view representation.\n\t\tconst hostElement = this.getHostViewElement( domNode );\n\n\t\tif ( hostElement ) {\n\t\t\treturn hostElement;\n\t\t}\n\n\t\tif ( isComment( domNode ) && options.skipComments ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( isText( domNode ) ) {\n\t\t\tif ( isInlineFiller( domNode ) ) {\n\t\t\t\treturn null;\n\t\t\t} else {\n\t\t\t\tconst textData = this._processDataFromDomText( domNode );\n\n\t\t\t\treturn textData === '' ? null : new ViewText( this.document, textData );\n\t\t\t}\n\t\t} else {\n\t\t\tif ( this.mapDomToView( domNode ) ) {\n\t\t\t\treturn this.mapDomToView( domNode );\n\t\t\t}\n\n\t\t\tlet viewElement;\n\n\t\t\tif ( this.isDocumentFragment( domNode ) ) {\n\t\t\t\t// Create view document fragment.\n\t\t\t\tviewElement = new ViewDocumentFragment( this.document );\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindDocumentFragments( domNode, viewElement );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t// Create view element.\n\t\t\t\tviewElement = this._createViewElement( domNode, options );\n\n\t\t\t\tif ( options.bind ) {\n\t\t\t\t\tthis.bindElements( domNode, viewElement );\n\t\t\t\t}\n\n\t\t\t\t// Copy element's attributes.\n\t\t\t\tconst attrs = domNode.attributes;\n\n\t\t\t\tif ( attrs ) {\n\t\t\t\t\tfor ( let i = attrs.length - 1; i >= 0; i-- ) {\n\t\t\t\t\t\tviewElement._setAttribute( attrs[ i ].name, attrs[ i ].value );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Treat this element's content as a raw data if it was registered as such.\n\t\t\t\t// Comment node is also treated as an element with raw data.\n\t\t\t\tif ( this._isViewElementWithRawContent( viewElement, options ) || isComment( domNode ) ) {\n\t\t\t\t\tconst rawContent = isComment( domNode ) ? domNode.data : domNode.innerHTML;\n\n\t\t\t\t\tviewElement._setCustomProperty( '$rawContent', rawContent );\n\n\t\t\t\t\t// Store a DOM node to prevent left trimming of the following text node.\n\t\t\t\t\tthis._encounteredRawContentDomNodes.add( domNode );\n\n\t\t\t\t\treturn viewElement;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( options.withChildren !== false ) {\n\t\t\t\tfor ( const child of this.domChildrenToView( domNode, options ) ) {\n\t\t\t\t\tviewElement._appendChild( child );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn viewElement;\n\t\t}\n\t}\n\n\t/**\n\t * Converts children of the DOM element to view nodes using\n\t * the {@link module:engine/view/domconverter~DomConverter#domToView} method.\n\t * Additionally this method omits block {@link module:engine/view/filler filler}, if it exists in the DOM parent.\n\t *\n\t * @param {HTMLElement} domElement Parent DOM element.\n\t * @param {Object} options See {@link module:engine/view/domconverter~DomConverter#domToView} options parameter.\n\t * @returns {Iterable.<module:engine/view/node~Node>} View nodes.\n\t */\n\t* domChildrenToView( domElement, options = {} ) {\n\t\tfor ( let i = 0; i < domElement.childNodes.length; i++ ) {\n\t\t\tconst domChild = domElement.childNodes[ i ];\n\t\t\tconst viewChild = this.domToView( domChild, options );\n\n\t\t\tif ( viewChild !== null ) {\n\t\t\t\tyield viewChild;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Converts DOM selection to view {@link module:engine/view/selection~Selection}.\n\t * Ranges which cannot be converted will be omitted.\n\t *\n\t * @param {Selection} domSelection DOM selection.\n\t * @returns {module:engine/view/selection~Selection} View selection.\n\t */\n\tdomSelectionToView( domSelection ) {\n\t\t// DOM selection might be placed in fake selection container.\n\t\t// If container contains fake selection - return corresponding view selection.\n\t\tif ( domSelection.rangeCount === 1 ) {\n\t\t\tlet container = domSelection.getRangeAt( 0 ).startContainer;\n\n\t\t\t// The DOM selection might be moved to the text node inside the fake selection container.\n\t\t\tif ( isText( container ) ) {\n\t\t\t\tcontainer = container.parentNode;\n\t\t\t}\n\n\t\t\tconst viewSelection = this.fakeSelectionToView( container );\n\n\t\t\tif ( viewSelection ) {\n\t\t\t\treturn viewSelection;\n\t\t\t}\n\t\t}\n\n\t\tconst isBackward = this.isDomSelectionBackward( domSelection );\n\n\t\tconst viewRanges = [];\n\n\t\tfor ( let i = 0; i < domSelection.rangeCount; i++ ) {\n\t\t\t// DOM Range have correct start and end, no matter what is the DOM Selection direction. So we don't have to fix anything.\n\t\t\tconst domRange = domSelection.getRangeAt( i );\n\t\t\tconst viewRange = this.domRangeToView( domRange );\n\n\t\t\tif ( viewRange ) {\n\t\t\t\tviewRanges.push( viewRange );\n\t\t\t}\n\t\t}\n\n\t\treturn new ViewSelection( viewRanges, { backward: isBackward } );\n\t}\n\n\t/**\n\t * Converts DOM Range to view {@link module:engine/view/range~Range}.\n\t * If the start or end position can not be converted `null` is returned.\n\t *\n\t * @param {Range} domRange DOM range.\n\t * @returns {module:engine/view/range~Range|null} View range.\n\t */\n\tdomRangeToView( domRange ) {\n\t\tconst viewStart = this.domPositionToView( domRange.startContainer, domRange.startOffset );\n\t\tconst viewEnd = this.domPositionToView( domRange.endContainer, domRange.endOffset );\n\n\t\tif ( viewStart && viewEnd ) {\n\t\t\treturn new ViewRange( viewStart, viewEnd );\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Converts DOM parent and offset to view {@link module:engine/view/position~Position}.\n\t *\n\t * If the position is inside a {@link module:engine/view/filler filler} which has no corresponding view node,\n\t * position of the filler will be converted and returned.\n\t *\n\t * If the position is inside DOM element rendered by {@link module:engine/view/uielement~UIElement}\n\t * that position will be converted to view position before that UIElement.\n\t *\n\t * If structures are too different and it is not possible to find corresponding position then `null` will be returned.\n\t *\n\t * @param {Node} domParent DOM position parent.\n\t * @param {Number} [domOffset=0] DOM position offset. You can skip it when converting the inline filler node.\n\t * @returns {module:engine/view/position~Position} viewPosition View position.\n\t */\n\tdomPositionToView( domParent, domOffset = 0 ) {\n\t\tif ( this.isBlockFiller( domParent ) ) {\n\t\t\treturn this.domPositionToView( domParent.parentNode, indexOf( domParent ) );\n\t\t}\n\n\t\t// If position is somewhere inside UIElement or a RawElement - return position before that element.\n\t\tconst viewElement = this.mapDomToView( domParent );\n\n\t\tif ( viewElement && ( viewElement.is( 'uiElement' ) || viewElement.is( 'rawElement' ) ) ) {\n\t\t\treturn ViewPosition._createBefore( viewElement );\n\t\t}\n\n\t\tif ( isText( domParent ) ) {\n\t\t\tif ( isInlineFiller( domParent ) ) {\n\t\t\t\treturn this.domPositionToView( domParent.parentNode, indexOf( domParent ) );\n\t\t\t}\n\n\t\t\tconst viewParent = this.findCorrespondingViewText( domParent );\n\t\t\tlet offset = domOffset;\n\n\t\t\tif ( !viewParent ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tif ( startsWithFiller( domParent ) ) {\n\t\t\t\toffset -= INLINE_FILLER_LENGTH;\n\t\t\t\toffset = offset < 0 ? 0 : offset;\n\t\t\t}\n\n\t\t\treturn new ViewPosition( viewParent, offset );\n\t\t}\n\t\t// domParent instanceof HTMLElement.\n\t\telse {\n\t\t\tif ( domOffset === 0 ) {\n\t\t\t\tconst viewParent = this.mapDomToView( domParent );\n\n\t\t\t\tif ( viewParent ) {\n\t\t\t\t\treturn new ViewPosition( viewParent, 0 );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst domBefore = domParent.childNodes[ domOffset - 1 ];\n\t\t\t\tconst viewBefore = isText( domBefore ) ?\n\t\t\t\t\tthis.findCorrespondingViewText( domBefore ) :\n\t\t\t\t\tthis.mapDomToView( domBefore );\n\n\t\t\t\t// TODO #663\n\t\t\t\tif ( viewBefore && viewBefore.parent ) {\n\t\t\t\t\treturn new ViewPosition( viewBefore.parent, viewBefore.index + 1 );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn null;\n\t\t}\n\t}\n\n\t/**\n\t * Returns corresponding view {@link module:engine/view/element~Element Element} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment} for provided DOM element or\n\t * document fragment. If there is no view item {@link module:engine/view/domconverter~DomConverter#bindElements bound}\n\t * to the given DOM - `undefined` is returned.\n\t *\n\t * For all DOM elements rendered by a {@link module:engine/view/uielement~UIElement} or\n\t * a {@link module:engine/view/rawelement~RawElement}, the parent `UIElement` or `RawElement` will be returned.\n\t *\n\t * @param {DocumentFragment|Element} domElementOrDocumentFragment DOM element or document fragment.\n\t * @returns {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment|undefined}\n\t * Corresponding view element, document fragment or `undefined` if no element was bound.\n\t */\n\tmapDomToView( domElementOrDocumentFragment ) {\n\t\tconst hostElement = this.getHostViewElement( domElementOrDocumentFragment );\n\n\t\treturn hostElement || this._domToViewMapping.get( domElementOrDocumentFragment );\n\t}\n\n\t/**\n\t * Finds corresponding text node. Text nodes are not {@link module:engine/view/domconverter~DomConverter#bindElements bound},\n\t * corresponding text node is returned based on the sibling or parent.\n\t *\n\t * If the directly previous sibling is a {@link module:engine/view/domconverter~DomConverter#bindElements bound} element, it is used\n\t * to find the corresponding text node.\n\t *\n\t * If this is a first child in the parent and the parent is a {@link module:engine/view/domconverter~DomConverter#bindElements bound}\n\t * element, it is used to find the corresponding text node.\n\t *\n\t * For all text nodes rendered by a {@link module:engine/view/uielement~UIElement} or\n\t * a {@link module:engine/view/rawelement~RawElement}, the parent `UIElement` or `RawElement` will be returned.\n\t *\n\t * Otherwise `null` is returned.\n\t *\n\t * Note that for the block or inline {@link module:engine/view/filler filler} this method returns `null`.\n\t *\n\t * @param {Text} domText DOM text node.\n\t * @returns {module:engine/view/text~Text|null} Corresponding view text node or `null`, if it was not possible to find a\n\t * corresponding node.\n\t */\n\tfindCorrespondingViewText( domText ) {\n\t\tif ( isInlineFiller( domText ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// If DOM text was rendered by a UIElement or a RawElement - return this parent element.\n\t\tconst hostElement = this.getHostViewElement( domText );\n\n\t\tif ( hostElement ) {\n\t\t\treturn hostElement;\n\t\t}\n\n\t\tconst previousSibling = domText.previousSibling;\n\n\t\t// Try to use previous sibling to find the corresponding text node.\n\t\tif ( previousSibling ) {\n\t\t\tif ( !( this.isElement( previousSibling ) ) ) {\n\t\t\t\t// The previous is text or comment.\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tconst viewElement = this.mapDomToView( previousSibling );\n\n\t\t\tif ( viewElement ) {\n\t\t\t\tconst nextSibling = viewElement.nextSibling;\n\n\t\t\t\t// It might be filler which has no corresponding view node.\n\t\t\t\tif ( nextSibling instanceof ViewText ) {\n\t\t\t\t\treturn viewElement.nextSibling;\n\t\t\t\t} else {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t// Try to use parent to find the corresponding text node.\n\t\telse {\n\t\t\tconst viewElement = this.mapDomToView( domText.parentNode );\n\n\t\t\tif ( viewElement ) {\n\t\t\t\tconst firstChild = viewElement.getChild( 0 );\n\n\t\t\t\t// It might be filler which has no corresponding view node.\n\t\t\t\tif ( firstChild instanceof ViewText ) {\n\t\t\t\t\treturn firstChild;\n\t\t\t\t} else {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns corresponding DOM item for provided {@link module:engine/view/element~Element Element} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment DocumentFragment}.\n\t * To find a corresponding text for {@link module:engine/view/text~Text view Text instance}\n\t * use {@link #findCorrespondingDomText}.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} viewNode\n\t * View element or document fragment.\n\t * @returns {Node|DocumentFragment|undefined} Corresponding DOM node or document fragment.\n\t */\n\tmapViewToDom( documentFragmentOrElement ) {\n\t\treturn this._viewToDomMapping.get( documentFragmentOrElement );\n\t}\n\n\t/**\n\t * Finds corresponding text node. Text nodes are not {@link module:engine/view/domconverter~DomConverter#bindElements bound},\n\t * corresponding text node is returned based on the sibling or parent.\n\t *\n\t * If the directly previous sibling is a {@link module:engine/view/domconverter~DomConverter#bindElements bound} element, it is used\n\t * to find the corresponding text node.\n\t *\n\t * If this is a first child in the parent and the parent is a {@link module:engine/view/domconverter~DomConverter#bindElements bound}\n\t * element, it is used to find the corresponding text node.\n\t *\n\t * Otherwise `null` is returned.\n\t *\n\t * @param {module:engine/view/text~Text} viewText View text node.\n\t * @returns {Text|null} Corresponding DOM text node or `null`, if it was not possible to find a corresponding node.\n\t */\n\tfindCorrespondingDomText( viewText ) {\n\t\tconst previousSibling = viewText.previousSibling;\n\n\t\t// Try to use previous sibling to find the corresponding text node.\n\t\tif ( previousSibling && this.mapViewToDom( previousSibling ) ) {\n\t\t\treturn this.mapViewToDom( previousSibling ).nextSibling;\n\t\t}\n\n\t\t// If this is a first node, try to use parent to find the corresponding text node.\n\t\tif ( !previousSibling && viewText.parent && this.mapViewToDom( viewText.parent ) ) {\n\t\t\treturn this.mapViewToDom( viewText.parent ).childNodes[ 0 ];\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Focuses DOM editable that is corresponding to provided {@link module:engine/view/editableelement~EditableElement}.\n\t *\n\t * @param {module:engine/view/editableelement~EditableElement} viewEditable\n\t */\n\tfocus( viewEditable ) {\n\t\tconst domEditable = this.mapViewToDom( viewEditable );\n\n\t\tif ( domEditable && domEditable.ownerDocument.activeElement !== domEditable ) {\n\t\t\t// Save the scrollX and scrollY positions before the focus.\n\t\t\tconst { scrollX, scrollY } = global.window;\n\t\t\tconst scrollPositions = [];\n\n\t\t\t// Save all scrollLeft and scrollTop values starting from domEditable up to\n\t\t\t// document#documentElement.\n\t\t\tforEachDomNodeAncestor( domEditable, node => {\n\t\t\t\tconst { scrollLeft, scrollTop } = node;\n\n\t\t\t\tscrollPositions.push( [ scrollLeft, scrollTop ] );\n\t\t\t} );\n\n\t\t\tdomEditable.focus();\n\n\t\t\t// Restore scrollLeft and scrollTop values starting from domEditable up to\n\t\t\t// document#documentElement.\n\t\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/951\n\t\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/957\n\t\t\tforEachDomNodeAncestor( domEditable, node => {\n\t\t\t\tconst [ scrollLeft, scrollTop ] = scrollPositions.shift();\n\n\t\t\t\tnode.scrollLeft = scrollLeft;\n\t\t\t\tnode.scrollTop = scrollTop;\n\t\t\t} );\n\n\t\t\t// Restore the scrollX and scrollY positions after the focus.\n\t\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/951\n\t\t\tglobal.window.scrollTo( scrollX, scrollY );\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` when `node.nodeType` equals `Node.ELEMENT_NODE`.\n\t *\n\t * @param {Node} node Node to check.\n\t * @returns {Boolean}\n\t */\n\tisElement( node ) {\n\t\treturn node && node.nodeType == Node.ELEMENT_NODE;\n\t}\n\n\t/**\n\t * Returns `true` when `node.nodeType` equals `Node.DOCUMENT_FRAGMENT_NODE`.\n\t *\n\t * @param {Node} node Node to check.\n\t * @returns {Boolean}\n\t */\n\tisDocumentFragment( node ) {\n\t\treturn node && node.nodeType == Node.DOCUMENT_FRAGMENT_NODE;\n\t}\n\n\t/**\n\t * Checks if the node is an instance of the block filler for this DOM converter.\n\t *\n\t *\t\tconst converter = new DomConverter( viewDocument, { blockFillerMode: 'br' } );\n\t *\n\t *\t\tconverter.isBlockFiller( BR_FILLER( document ) ); // true\n\t *\t\tconverter.isBlockFiller( NBSP_FILLER( document ) ); // false\n\t *\n\t * **Note:**: For the `'nbsp'` mode the method also checks context of a node so it cannot be a detached node.\n\t *\n\t * **Note:** A special case in the `'nbsp'` mode exists where the `<br>` in `<p><br></p>` is treated as a block filler.\n\t *\n\t * @param {Node} domNode DOM node to check.\n\t * @returns {Boolean} True if a node is considered a block filler for given mode.\n\t */\n\tisBlockFiller( domNode ) {\n\t\tif ( this.blockFillerMode == 'br' ) {\n\t\t\treturn domNode.isEqualNode( BR_FILLER_REF );\n\t\t}\n\n\t\t// Special case for <p><br></p> in which <br> should be treated as filler even when we are not in the 'br' mode. See ckeditor5#5564.\n\t\tif ( domNode.tagName === 'BR' && hasBlockParent( domNode, this.blockElements ) && domNode.parentNode.childNodes.length === 1 ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// If not in 'br' mode, try recognizing both marked and regular nbsp block fillers.\n\t\treturn domNode.isEqualNode( MARKED_NBSP_FILLER_REF ) || isNbspBlockFiller( domNode, this.blockElements );\n\t}\n\n\t/**\n\t * Returns `true` if given selection is a backward selection, that is, if it's `focus` is before `anchor`.\n\t *\n\t * @param {Selection} DOM Selection instance to check.\n\t * @returns {Boolean}\n\t */\n\tisDomSelectionBackward( selection ) {\n\t\tif ( selection.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Since it takes multiple lines of code to check whether a \"DOM Position\" is before/after another \"DOM Position\",\n\t\t// we will use the fact that range will collapse if it's end is before it's start.\n\t\tconst range = document.createRange();\n\n\t\trange.setStart( selection.anchorNode, selection.anchorOffset );\n\t\trange.setEnd( selection.focusNode, selection.focusOffset );\n\n\t\tconst backward = range.collapsed;\n\n\t\trange.detach();\n\n\t\treturn backward;\n\t}\n\n\t/**\n\t * Returns a parent {@link module:engine/view/uielement~UIElement} or {@link module:engine/view/rawelement~RawElement}\n\t * that hosts the provided DOM node. Returns `null` if there is no such parent.\n\t *\n\t * @param {Node} domNode\n\t * @returns {module:engine/view/uielement~UIElement|module:engine/view/rawelement~RawElement|null}\n\t */\n\tgetHostViewElement( domNode ) {\n\t\tconst ancestors = getAncestors( domNode );\n\n\t\t// Remove domNode from the list.\n\t\tancestors.pop();\n\n\t\twhile ( ancestors.length ) {\n\t\t\tconst domNode = ancestors.pop();\n\t\t\tconst viewNode = this._domToViewMapping.get( domNode );\n\n\t\t\tif ( viewNode && ( viewNode.is( 'uiElement' ) || viewNode.is( 'rawElement' ) ) ) {\n\t\t\t\treturn viewNode;\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Checks if the given selection's boundaries are at correct places.\n\t *\n\t * The following places are considered as incorrect for selection boundaries:\n\t *\n\t * * before or in the middle of an inline filler sequence,\n\t * * inside a DOM element which represents {@link module:engine/view/uielement~UIElement a view UI element},\n\t * * inside a DOM element which represents {@link module:engine/view/rawelement~RawElement a view raw element}.\n\t *\n\t * @param {Selection} domSelection The DOM selection object to be checked.\n\t * @returns {Boolean} `true` if the given selection is at a correct place, `false` otherwise.\n\t */\n\tisDomSelectionCorrect( domSelection ) {\n\t\treturn this._isDomSelectionPositionCorrect( domSelection.anchorNode, domSelection.anchorOffset ) &&\n\t\t\tthis._isDomSelectionPositionCorrect( domSelection.focusNode, domSelection.focusOffset );\n\t}\n\n\t/**\n\t * Registers a {@link module:engine/view/matcher~MatcherPattern} for view elements whose content should be treated as raw data\n\t * and not processed during the conversion from DOM nodes to view elements.\n\t *\n\t * This is affecting how {@link module:engine/view/domconverter~DomConverter#domToView} and\n\t * {@link module:engine/view/domconverter~DomConverter#domChildrenToView} process DOM nodes.\n\t *\n\t * The raw data can be later accessed by a\n\t * {@link module:engine/view/element~Element#getCustomProperty custom property of a view element} called `\"$rawContent\"`.\n\t *\n\t * @param {module:engine/view/matcher~MatcherPattern} pattern Pattern matching a view element whose content should\n\t * be treated as raw data.\n\t */\n\tregisterRawContentMatcher( pattern ) {\n\t\tthis._rawContentElementMatcher.add( pattern );\n\t}\n\n\t/**\n\t * Returns the block {@link module:engine/view/filler filler} node based on the current {@link #blockFillerMode} setting.\n\t *\n\t * @private\n\t * @params {Document} domDocument\n\t * @returns {Node} filler\n\t */\n\t_getBlockFiller( domDocument ) {\n\t\tswitch ( this.blockFillerMode ) {\n\t\t\tcase 'nbsp':\n\t\t\t\treturn NBSP_FILLER( domDocument ); // eslint-disable-line new-cap\n\t\t\tcase 'markedNbsp':\n\t\t\t\treturn MARKED_NBSP_FILLER( domDocument ); // eslint-disable-line new-cap\n\t\t\tcase 'br':\n\t\t\t\treturn BR_FILLER( domDocument ); // eslint-disable-line new-cap\n\t\t}\n\t}\n\n\t/**\n\t * Checks if the given DOM position is a correct place for selection boundary. See {@link #isDomSelectionCorrect}.\n\t *\n\t * @private\n\t * @param {Element} domParent Position parent.\n\t * @param {Number} offset Position offset.\n\t * @returns {Boolean} `true` if given position is at a correct place for selection boundary, `false` otherwise.\n\t */\n\t_isDomSelectionPositionCorrect( domParent, offset ) {\n\t\t// If selection is before or in the middle of inline filler string, it is incorrect.\n\t\tif ( isText( domParent ) && startsWithFiller( domParent ) && offset < INLINE_FILLER_LENGTH ) {\n\t\t\t// Selection in a text node, at wrong position (before or in the middle of filler).\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( this.isElement( domParent ) && startsWithFiller( domParent.childNodes[ offset ] ) ) {\n\t\t\t// Selection in an element node, before filler text node.\n\t\t\treturn false;\n\t\t}\n\n\t\tconst viewParent = this.mapDomToView( domParent );\n\n\t\t// The position is incorrect when anchored inside a UIElement or a RawElement.\n\t\t// Note: In case of UIElement and RawElement, mapDomToView() returns a parent element for any DOM child\n\t\t// so there's no need to perform any additional checks.\n\t\tif ( viewParent && ( viewParent.is( 'uiElement' ) || viewParent.is( 'rawElement' ) ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Takes text data from a given {@link module:engine/view/text~Text#data} and processes it so\n\t * it is correctly displayed in the DOM.\n\t *\n\t * Following changes are done:\n\t *\n\t * * a space at the beginning is changed to `&nbsp;` if this is the first text node in its container\n\t * element or if a previous text node ends with a space character,\n\t * * space at the end of the text node is changed to `&nbsp;` if there are two spaces at the end of a node or if next node\n\t * starts with a space or if it is the last text node in its container,\n\t * * remaining spaces are replaced to a chain of spaces and `&nbsp;` (e.g. `'x   x'` becomes `'x &nbsp; x'`).\n\t *\n\t * Content of {@link #preElements} is not processed.\n\t *\n\t * @private\n\t * @param {module:engine/view/text~Text} node View text node to process.\n\t * @returns {String} Processed text data.\n\t */\n\t_processDataFromViewText( node ) {\n\t\tlet data = node.data;\n\n\t\t// If any of node ancestors has a name which is in `preElements` array, then currently processed\n\t\t// view text node is (will be) in preformatted element. We should not change whitespaces then.\n\t\tif ( node.getAncestors().some( parent => this.preElements.includes( parent.name ) ) ) {\n\t\t\treturn data;\n\t\t}\n\n\t\t// 1. Replace the first space with a nbsp if the previous node ends with a space or there is no previous node\n\t\t// (container element boundary).\n\t\tif ( data.charAt( 0 ) == ' ' ) {\n\t\t\tconst prevNode = this._getTouchingInlineViewNode( node, false );\n\t\t\tconst prevEndsWithSpace = prevNode && prevNode.is( '$textProxy' ) && this._nodeEndsWithSpace( prevNode );\n\n\t\t\tif ( prevEndsWithSpace || !prevNode ) {\n\t\t\t\tdata = '\\u00A0' + data.substr( 1 );\n\t\t\t}\n\t\t}\n\n\t\t// 2. Replace the last space with nbsp if there are two spaces at the end or if the next node starts with space or there is no\n\t\t// next node (container element boundary).\n\t\t//\n\t\t// Keep in mind that Firefox prefers $nbsp; before tag, not inside it:\n\t\t//\n\t\t// Foo <span>&nbsp;bar</span>  <-- bad.\n\t\t// Foo&nbsp;<span> bar</span>  <-- good.\n\t\t//\n\t\t// More here: https://github.com/ckeditor/ckeditor5-engine/issues/1747.\n\t\tif ( data.charAt( data.length - 1 ) == ' ' ) {\n\t\t\tconst nextNode = this._getTouchingInlineViewNode( node, true );\n\t\t\tconst nextStartsWithSpace = nextNode && nextNode.is( '$textProxy' ) && nextNode.data.charAt( 0 ) == ' ';\n\n\t\t\tif ( data.charAt( data.length - 2 ) == ' ' || !nextNode || nextStartsWithSpace ) {\n\t\t\t\tdata = data.substr( 0, data.length - 1 ) + '\\u00A0';\n\t\t\t}\n\t\t}\n\n\t\t// 3. Create space+nbsp pairs.\n\t\treturn data.replace( / {2}/g, ' \\u00A0' );\n\t}\n\n\t/**\n\t * Checks whether given node ends with a space character after changing appropriate space characters to `&nbsp;`s.\n\t *\n\t * @private\n\t * @param {module:engine/view/text~Text} node Node to check.\n\t * @returns {Boolean} `true` if given `node` ends with space, `false` otherwise.\n\t */\n\t_nodeEndsWithSpace( node ) {\n\t\tif ( node.getAncestors().some( parent => this.preElements.includes( parent.name ) ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst data = this._processDataFromViewText( node );\n\n\t\treturn data.charAt( data.length - 1 ) == ' ';\n\t}\n\n\t/**\n\t * Takes text data from native `Text` node and processes it to a correct {@link module:engine/view/text~Text view text node} data.\n\t *\n\t * Following changes are done:\n\t *\n\t * * multiple whitespaces are replaced to a single space,\n\t * * space at the beginning of a text node is removed if it is the first text node in its container\n\t * element or if the previous text node ends with a space character,\n\t * * space at the end of the text node is removed if there are two spaces at the end of a node or if next node\n\t * starts with a space or if it is the last text node in its container\n\t * * nbsps are converted to spaces.\n\t *\n\t * @param {Node} node DOM text node to process.\n\t * @returns {String} Processed data.\n\t * @private\n\t */\n\t_processDataFromDomText( node ) {\n\t\tlet data = node.data;\n\n\t\tif ( _hasDomParentOfType( node, this.preElements ) ) {\n\t\t\treturn getDataWithoutFiller( node );\n\t\t}\n\n\t\t// Change all consecutive whitespace characters (from the [ \\n\\t\\r] set –\n\t\t// see https://github.com/ckeditor/ckeditor5-engine/issues/822#issuecomment-311670249) to a single space character.\n\t\t// That's how multiple whitespaces are treated when rendered, so we normalize those whitespaces.\n\t\t// We're replacing 1+ (and not 2+) to also normalize singular \\n\\t\\r characters (#822).\n\t\tdata = data.replace( /[ \\n\\t\\r]{1,}/g, ' ' );\n\n\t\tconst prevNode = this._getTouchingInlineDomNode( node, false );\n\t\tconst nextNode = this._getTouchingInlineDomNode( node, true );\n\n\t\tconst shouldLeftTrim = this._checkShouldLeftTrimDomText( node, prevNode );\n\t\tconst shouldRightTrim = this._checkShouldRightTrimDomText( node, nextNode );\n\n\t\t// If the previous dom text node does not exist or it ends by whitespace character, remove space character from the beginning\n\t\t// of this text node. Such space character is treated as a whitespace.\n\t\tif ( shouldLeftTrim ) {\n\t\t\tdata = data.replace( /^ /, '' );\n\t\t}\n\n\t\t// If the next text node does not exist remove space character from the end of this text node.\n\t\tif ( shouldRightTrim ) {\n\t\t\tdata = data.replace( / $/, '' );\n\t\t}\n\n\t\t// At the beginning and end of a block element, Firefox inserts normal space + <br> instead of non-breaking space.\n\t\t// This means that the text node starts/end with normal space instead of non-breaking space.\n\t\t// This causes a problem because the normal space would be removed in `.replace` calls above. To prevent that,\n\t\t// the inline filler is removed only after the data is initially processed (by the `.replace` above). See ckeditor5#692.\n\t\tdata = getDataWithoutFiller( new Text( data ) );\n\n\t\t// At this point we should have removed all whitespaces from DOM text data.\n\t\t//\n\t\t// Now, We will reverse the process that happens in `_processDataFromViewText`.\n\t\t//\n\t\t// We have to change &nbsp; chars, that were in DOM text data because of rendering reasons, to spaces.\n\t\t// First, change all ` \\u00A0` pairs (space + &nbsp;) to two spaces. DOM converter changes two spaces from model/view to\n\t\t// ` \\u00A0` to ensure proper rendering. Since here we convert back, we recognize those pairs and change them back to `  `.\n\t\tdata = data.replace( / \\u00A0/g, '  ' );\n\n\t\tconst isNextNodeInlineObjectElement = nextNode && this.isElement( nextNode ) && nextNode.tagName != 'BR';\n\t\tconst isNextNodeStartingWithSpace = nextNode && isText( nextNode ) && nextNode.data.charAt( 0 ) == ' ';\n\n\t\t// Then, let's change the last nbsp to a space.\n\t\tif ( /( |\\u00A0)\\u00A0$/.test( data ) || !nextNode || isNextNodeInlineObjectElement || isNextNodeStartingWithSpace ) {\n\t\t\tdata = data.replace( /\\u00A0$/, ' ' );\n\t\t}\n\n\t\t// Then, change &nbsp; character that is at the beginning of the text node to space character.\n\t\t// We do that replacement only if this is the first node or the previous node ends on whitespace character.\n\t\tif ( shouldLeftTrim || prevNode && this.isElement( prevNode ) && prevNode.tagName != 'BR' ) {\n\t\t\tdata = data.replace( /^\\u00A0/, ' ' );\n\t\t}\n\n\t\t// At this point, all whitespaces should be removed and all &nbsp; created for rendering reasons should be\n\t\t// changed to normal space. All left &nbsp; are &nbsp; inserted intentionally.\n\t\treturn data;\n\t}\n\n\t/**\n\t * Helper function which checks if a DOM text node, preceded by the given `prevNode` should\n\t * be trimmed from the left side.\n\t *\n\t * @private\n\t * @param {Node} node\n\t * @param {Node} prevNode Either DOM text or `<br>` or one of `#inlineObjectElements`.\n\t */\n\t_checkShouldLeftTrimDomText( node, prevNode ) {\n\t\tif ( !prevNode ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif ( this.isElement( prevNode ) ) {\n\t\t\treturn prevNode.tagName === 'BR';\n\t\t}\n\n\t\t// Shouldn't left trim if previous node is a node that was encountered as a raw content node.\n\t\tif ( this._encounteredRawContentDomNodes.has( node.previousSibling ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn /[^\\S\\u00A0]/.test( prevNode.data.charAt( prevNode.data.length - 1 ) );\n\t}\n\n\t/**\n\t * Helper function which checks if a DOM text node, succeeded by the given `nextNode` should\n\t * be trimmed from the right side.\n\t *\n\t * @private\n\t * @param {Node} node\n\t * @param {Node} nextNode Either DOM text or `<br>` or one of `#inlineObjectElements`.\n\t */\n\t_checkShouldRightTrimDomText( node, nextNode ) {\n\t\tif ( nextNode ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn !startsWithFiller( node );\n\t}\n\n\t/**\n\t * Helper function. For given {@link module:engine/view/text~Text view text node}, it finds previous or next sibling\n\t * that is contained in the same container element. If there is no such sibling, `null` is returned.\n\t *\n\t * @private\n\t * @param {module:engine/view/text~Text} node Reference node.\n\t * @param {Boolean} getNext\n\t * @returns {module:engine/view/text~Text|module:engine/view/element~Element|null} Touching text node, an inline object\n\t * or `null` if there is no next or previous touching text node.\n\t */\n\t_getTouchingInlineViewNode( node, getNext ) {\n\t\tconst treeWalker = new ViewTreeWalker( {\n\t\t\tstartPosition: getNext ? ViewPosition._createAfter( node ) : ViewPosition._createBefore( node ),\n\t\t\tdirection: getNext ? 'forward' : 'backward'\n\t\t} );\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\t// Found an inline object (for example an image).\n\t\t\tif ( value.item.is( 'element' ) && this.inlineObjectElements.includes( value.item.name ) ) {\n\t\t\t\treturn value.item;\n\t\t\t}\n\t\t\t// ViewContainerElement is found on a way to next ViewText node, so given `node` was first/last\n\t\t\t// text node in its container element.\n\t\t\telse if ( value.item.is( 'containerElement' ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t\t// <br> found – it works like a block boundary, so do not scan further.\n\t\t\telse if ( value.item.is( 'element', 'br' ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t\t// Found a text node in the same container element.\n\t\t\telse if ( value.item.is( '$textProxy' ) ) {\n\t\t\t\treturn value.item;\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Helper function. For the given text node, it finds the closest touching node which is either\n\t * a text, `<br>` or an {@link #inlineObjectElements inline object}.\n\t *\n\t * If no such node is found, `null` is returned.\n\t *\n\t * For instance, in the following DOM structure:\n\t *\n\t *\t\t<p>foo<b>bar</b><br>bom</p>\n\t *\n\t * * `foo` doesn't have its previous touching inline node (`null` is returned),\n\t * * `foo`'s next touching inline node is `bar`\n\t * * `bar`'s next touching inline node is `<br>`\n\t *\n\t * This method returns text nodes and `<br>` elements because these types of nodes affect how\n\t * spaces in the given text node need to be converted.\n\t *\n\t * @private\n\t * @param {Text} node\n\t * @param {Boolean} getNext\n\t * @returns {Text|Element|null}\n\t */\n\t_getTouchingInlineDomNode( node, getNext ) {\n\t\tif ( !node.parentNode ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst stepInto = getNext ? 'firstChild' : 'lastChild';\n\t\tconst stepOver = getNext ? 'nextSibling' : 'previousSibling';\n\n\t\tlet skipChildren = true;\n\n\t\tdo {\n\t\t\tif ( !skipChildren && node[ stepInto ] ) {\n\t\t\t\tnode = node[ stepInto ];\n\t\t\t} else if ( node[ stepOver ] ) {\n\t\t\t\tnode = node[ stepOver ];\n\t\t\t\tskipChildren = false;\n\t\t\t} else {\n\t\t\t\tnode = node.parentNode;\n\t\t\t\tskipChildren = true;\n\t\t\t}\n\n\t\t\tif ( !node || this._isBlockElement( node ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t} while (\n\t\t\t!( isText( node ) || node.tagName == 'BR' || this._isInlineObjectElement( node ) )\n\t\t);\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Returns `true` if a DOM node belongs to {@link #blockElements}. `false` otherwise.\n\t *\n\t * @private\n\t * @param {Node} node\n\t * @returns {Boolean}\n\t */\n\t_isBlockElement( node ) {\n\t\treturn this.isElement( node ) && this.blockElements.includes( node.tagName.toLowerCase() );\n\t}\n\n\t/**\n\t * Returns `true` if a DOM node belongs to {@link #inlineObjectElements}. `false` otherwise.\n\t *\n\t * @private\n\t * @param {Node} node\n\t * @returns {Boolean}\n\t */\n\t_isInlineObjectElement( node ) {\n\t\treturn this.isElement( node ) && this.inlineObjectElements.includes( node.tagName.toLowerCase() );\n\t}\n\n\t/**\n\t * Creates view element basing on the node type.\n\t *\n\t * @private\n\t * @param {Node} node DOM node to check.\n\t * @param {Object} options Conversion options. See {@link module:engine/view/domconverter~DomConverter#domToView} options parameter.\n\t * @returns {Element}\n\t */\n\t_createViewElement( node, options ) {\n\t\tif ( isComment( node ) ) {\n\t\t\treturn new ViewUIElement( this.document, '$comment' );\n\t\t}\n\n\t\tconst viewName = options.keepOriginalCase ? node.tagName : node.tagName.toLowerCase();\n\n\t\treturn new ViewElement( this.document, viewName );\n\t}\n\n\t/**\n\t * Checks if view element's content should be treated as a raw data.\n\t *\n\t * @private\n\t * @param {Element} viewElement View element to check.\n\t * @param {Object} options Conversion options. See {@link module:engine/view/domconverter~DomConverter#domToView} options parameter.\n\t * @returns {Boolean}\n\t */\n\t_isViewElementWithRawContent( viewElement, options ) {\n\t\treturn options.withChildren !== false && this._rawContentElementMatcher.match( viewElement );\n\t}\n\n\t/**\n\t * Checks whether a given element name should be renamed in a current rendering mode.\n\t *\n\t * @private\n\t * @param {String} elementName The name of view element.\n\t * @returns {Boolean}\n\t */\n\t_shouldRenameElement( elementName ) {\n\t\treturn this.renderingMode == 'editing' && elementName.toLowerCase() == 'script';\n\t}\n\n\t/**\n\t * Return a <span> element with a special attribute holding the name of the original element.\n\t * Optionally, copy all the attributes of the original element if that element is provided.\n\t *\n\t * @private\n\t * @param {String} elementName The name of view element.\n\t * @param {Element} [originalDomElement] The original DOM element to copy attributes and content from.\n\t * @returns {Element}\n\t */\n\t_createReplacementDomElement( elementName, originalDomElement = null ) {\n\t\tconst newDomElement = document.createElement( 'span' );\n\n\t\t// Mark the span replacing a script as hidden.\n\t\tnewDomElement.setAttribute( UNSAFE_ELEMENT_REPLACEMENT_ATTRIBUTE, elementName );\n\n\t\tif ( originalDomElement ) {\n\t\t\twhile ( originalDomElement.firstChild ) {\n\t\t\t\tnewDomElement.appendChild( originalDomElement.firstChild );\n\t\t\t}\n\n\t\t\tfor ( const attributeName of originalDomElement.getAttributeNames() ) {\n\t\t\t\tnewDomElement.setAttribute( attributeName, originalDomElement.getAttribute( attributeName ) );\n\t\t\t}\n\t\t}\n\n\t\treturn newDomElement;\n\t}\n}\n\n// Helper function.\n// Used to check if given native `Element` or `Text` node has parent with tag name from `types` array.\n//\n// @param {Node} node\n// @param {Array.<String>} types\n// @returns {Boolean} `true` if such parent exists or `false` if it does not.\nfunction _hasDomParentOfType( node, types ) {\n\tconst parents = getAncestors( node );\n\n\treturn parents.some( parent => parent.tagName && types.includes( parent.tagName.toLowerCase() ) );\n}\n\n// A helper that executes given callback for each DOM node's ancestor, starting from the given node\n// and ending in document#documentElement.\n//\n// @param {Node} node\n// @param {Function} callback A callback to be executed for each ancestor.\nfunction forEachDomNodeAncestor( node, callback ) {\n\twhile ( node && node != global.document ) {\n\t\tcallback( node );\n\t\tnode = node.parentNode;\n\t}\n}\n\n// Checks if given node is a nbsp block filler.\n//\n// A &nbsp; is a block filler only if it is a single child of a block element.\n//\n// @param {Node} domNode DOM node.\n// @param {Array.<String>} blockElements\n// @returns {Boolean}\nfunction isNbspBlockFiller( domNode, blockElements ) {\n\tconst isNBSP = domNode.isEqualNode( NBSP_FILLER_REF );\n\n\treturn isNBSP && hasBlockParent( domNode, blockElements ) && domNode.parentNode.childNodes.length === 1;\n}\n\n// Checks if domNode has block parent.\n//\n// @param {Node} domNode DOM node.\n// @param {Array.<String>} blockElements\n// @returns {Boolean}\nfunction hasBlockParent( domNode, blockElements ) {\n\tconst parent = domNode.parentNode;\n\n\treturn parent && parent.tagName && blockElements.includes( parent.tagName.toLowerCase() );\n}\n\n/**\n * Enum representing the type of the block filler.\n *\n * Possible values:\n *\n * * `br` &ndash; For the `<br data-cke-filler=\"true\">` block filler used in the editing view.\n * * `nbsp` &ndash; For the `&nbsp;` block fillers used in the data.\n * * `markedNbsp` &ndash; For the `&nbsp;` block fillers wrapped in `<span>` elements: `<span data-cke-filler=\"true\">&nbsp;</span>`\n * used in the data.\n *\n * @typedef {String} module:engine/view/filler~BlockFillerMode\n */\n\n/**\n * The {@link module:engine/view/domconverter~DomConverter} detected a `<script>` element that may disrupt the\n * {@glink framework/guides/architecture/editing-engine#editing-pipeline editing pipeline} of the editor. To avoid this,\n * the `<script>` element was renamed to `<span data-ck-unsafe-element=\"script\"></span>`.\n *\n * @error domconverter-unsafe-element-detected\n * @param {module:engine/model/element~Element|HTMLElement} unsafeElement The editing view or DOM element\n * that was renamed.\n */\n\n/**\n * The {@link module:engine/view/domconverter~DomConverter} detected an interactive attribute in the\n * {@glink framework/guides/architecture/editing-engine#editing-pipeline editing pipeline}. For the best\n * editing experience, the attribute was renamed to `data-ck-unsafe-attribute-[original attribute name]`.\n *\n * If you are the author of the plugin that generated this attribute and you want it to be preserved\n * in the editing pipeline, you can configure this when creating the element\n * using {@link module:engine/view/downcastwriter~DowncastWriter} during the\n * {@glink framework/guides/architecture/editing-engine#conversion model–view conversion}. Methods such as\n * {@link module:engine/view/downcastwriter~DowncastWriter#createContainerElement},\n * {@link module:engine/view/downcastwriter~DowncastWriter#createAttributeElement}, or\n * {@link module:engine/view/downcastwriter~DowncastWriter#createEmptyElement}\n * accept an option that will disable filtering of specific attributes:\n *\n *\t\tconst paragraph = writer.createContainerElement( 'p',\n *\t\t\t{\n *\t\t\t\tclass: 'clickable-paragraph',\n *\t\t\t\tonclick: 'alert( \"Paragraph clicked!\" )'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\t// Make sure the \"onclick\" attribute will pass through.\n *\t\t\t\trenderUnsafeAttributes: [ 'onclick' ]\n *\t\t\t}\n *\t\t);\n *\n * @error domconverter-unsafe-attribute-detected\n * @param {HTMLElement} domElement The DOM element the attribute was set on.\n * @param {String} key The original name of the attribute\n * @param {String} value The value of the original attribute\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/iswindow\n */\n\n/**\n * Checks if the object is a native DOM Window.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isWindow( obj ) {\n\tconst stringifiedObject = Object.prototype.toString.apply( obj );\n\n\t// Returns `true` for the `window` object in browser environments.\n\tif ( stringifiedObject == '[object Window]' ) {\n\t\treturn true;\n\t}\n\n\t// Returns `true` for the `window` object in the Electron environment.\n\tif ( stringifiedObject == '[object global]' ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/emittermixin\n */\n\nimport { default as EmitterMixin, _getEmitterListenedTo, _setEmitterId } from '../emittermixin';\nimport uid from '../uid';\nimport isNode from './isnode';\nimport isWindow from './iswindow';\nimport { extend } from 'lodash-es';\n\n/**\n * Mixin that injects the DOM events API into its host. It provides the API\n * compatible with {@link module:utils/emittermixin~EmitterMixin}.\n *\n * DOM emitter mixin is by default available in the {@link module:ui/view~View} class,\n * but it can also be mixed into any other class:\n *\n *\t\timport mix from '../utils/mix.js';\n *\t\timport DomEmitterMixin from '../utils/dom/emittermixin.js';\n *\n *\t\tclass SomeView {}\n *\t\tmix( SomeView, DomEmitterMixin );\n *\n *\t\tconst view = new SomeView();\n *\t\tview.listenTo( domElement, ( evt, domEvt ) => {\n *\t\t\tconsole.log( evt, domEvt );\n *\t\t} );\n *\n * @mixin EmitterMixin\n * @mixes module:utils/emittermixin~EmitterMixin\n * @implements module:utils/dom/emittermixin~Emitter\n */\nconst DomEmitterMixin = extend( {}, EmitterMixin, {\n\t/**\n\t * Registers a callback function to be executed when an event is fired in a specific Emitter or DOM Node.\n\t * It is backwards compatible with {@link module:utils/emittermixin~EmitterMixin#listenTo}.\n\t *\n\t * @param {module:utils/emittermixin~Emitter|Node} emitter The object that fires the event.\n\t * @param {String} event The name of the event.\n\t * @param {Function} callback The function to be called on event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n\t * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n\t * order they were added.\n\t * @param {Boolean} [options.useCapture=false] Indicates that events of this type will be dispatched to the registered\n\t * listener before being dispatched to any EventTarget beneath it in the DOM tree.\n\t * @param {Boolean} [options.usePassive=false] Indicates that the function specified by listener will never call preventDefault()\n\t * and prevents blocking browser's main thread by this event handler.\n\t */\n\tlistenTo( emitter, event, callback, options = {} ) {\n\t\t// Check if emitter is an instance of DOM Node. If so, use corresponding ProxyEmitter (or create one if not existing).\n\t\tif ( isNode( emitter ) || isWindow( emitter ) ) {\n\t\t\tconst proxyOptions = {\n\t\t\t\tcapture: !!options.useCapture,\n\t\t\t\tpassive: !!options.usePassive\n\t\t\t};\n\n\t\t\tconst proxyEmitter = this._getProxyEmitter( emitter, proxyOptions ) || new ProxyEmitter( emitter, proxyOptions );\n\n\t\t\tthis.listenTo( proxyEmitter, event, callback, options );\n\t\t} else {\n\t\t\t// Execute parent class method with Emitter (or ProxyEmitter) instance.\n\t\t\tEmitterMixin.listenTo.call( this, emitter, event, callback, options );\n\t\t}\n\t},\n\n\t/**\n\t * Stops listening for events. It can be used at different levels:\n\t * It is backwards compatible with {@link module:utils/emittermixin~EmitterMixin#listenTo}.\n\t *\n\t * * To stop listening to a specific callback.\n\t * * To stop listening to a specific event.\n\t * * To stop listening to all events fired by a specific object.\n\t * * To stop listening to all events fired by all object.\n\t *\n\t * @param {module:utils/emittermixin~Emitter|Node} [emitter] The object to stop listening to. If omitted, stops it for all objects.\n\t * @param {String} [event] (Requires the `emitter`) The name of the event to stop listening to. If omitted, stops it\n\t * for all events from `emitter`.\n\t * @param {Function} [callback] (Requires the `event`) The function to be removed from the call list for the given\n\t * `event`.\n\t */\n\tstopListening( emitter, event, callback ) {\n\t\t// Check if the emitter is an instance of DOM Node. If so, forward the call to the corresponding ProxyEmitters.\n\t\tif ( isNode( emitter ) || isWindow( emitter ) ) {\n\t\t\tconst proxyEmitters = this._getAllProxyEmitters( emitter );\n\n\t\t\tfor ( const proxy of proxyEmitters ) {\n\t\t\t\tthis.stopListening( proxy, event, callback );\n\t\t\t}\n\t\t} else {\n\t\t\t// Execute parent class method with Emitter (or ProxyEmitter) instance.\n\t\t\tEmitterMixin.stopListening.call( this, emitter, event, callback );\n\t\t}\n\t},\n\n\t/**\n\t * Retrieves ProxyEmitter instance for given DOM Node residing in this Host and given options.\n\t *\n\t * @private\n\t * @param {Node} node DOM Node of the ProxyEmitter.\n\t * @param {Object} [options] Additional options.\n\t * @param {Boolean} [options.useCapture=false] Indicates that events of this type will be dispatched to the registered\n\t * listener before being dispatched to any EventTarget beneath it in the DOM tree.\n\t * @param {Boolean} [options.usePassive=false] Indicates that the function specified by listener will never call preventDefault()\n\t * and prevents blocking browser's main thread by this event handler.\n\t * @returns {module:utils/dom/emittermixin~ProxyEmitter|null} ProxyEmitter instance bound to the DOM Node.\n\t */\n\t_getProxyEmitter( node, options ) {\n\t\treturn _getEmitterListenedTo( this, getProxyEmitterId( node, options ) );\n\t},\n\n\t/**\n\t * Retrieves all the ProxyEmitter instances for given DOM Node residing in this Host.\n\t *\n\t * @private\n\t * @param {Node} node DOM Node of the ProxyEmitter.\n\t * @returns {Array.<module:utils/dom/emittermixin~ProxyEmitter>}\n\t */\n\t_getAllProxyEmitters( node ) {\n\t\treturn [\n\t\t\t{ capture: false, passive: false },\n\t\t\t{ capture: false, passive: true },\n\t\t\t{ capture: true, passive: false },\n\t\t\t{ capture: true, passive: true }\n\t\t].map( options => this._getProxyEmitter( node, options ) ).filter( proxy => !!proxy );\n\t}\n} );\n\nexport default DomEmitterMixin;\n\n/**\n * Creates a ProxyEmitter instance. Such an instance is a bridge between a DOM Node firing events\n * and any Host listening to them. It is backwards compatible with {@link module:utils/emittermixin~EmitterMixin#on}.\n * There is a separate instance for each combination of modes (useCapture & usePassive). The mode is concatenated with\n * UID stored in HTMLElement to give each instance unique identifier.\n *\n *                                  listenTo( click, ... )\n *                    +-----------------------------------------+\n *                    |              stopListening( ... )       |\n *     +----------------------------+                           |             addEventListener( click, ... )\n *     | Host                       |                           |   +---------------------------------------------+\n *     +----------------------------+                           |   |       removeEventListener( click, ... )     |\n *     | _listeningTo: {            |                +----------v-------------+                                   |\n *     |   UID+mode: {              |                | ProxyEmitter           |                                   |\n *     |     emitter: ProxyEmitter, |                +------------------------+                      +------------v----------+\n *     |     callbacks: {           |                | events: {              |                      | Node (HTMLElement)    |\n *     |       click: [ callbacks ] |                |   click: [ callbacks ] |                      +-----------------------+\n *     |     }                      |                | },                     |                      | data-ck-expando: UID  |\n *     |   }                        |                | _domNode: Node,        |                      +-----------------------+\n *     | }                          |                | _domListeners: {},     |                                   |\n *     | +------------------------+ |                | _emitterId: UID+mode   |                                   |\n *     | | DomEmitterMixin        | |                +--------------^---------+                                   |\n *     | +------------------------+ |                           |   |                                             |\n *     +--------------^-------------+                           |   +---------------------------------------------+\n *                    |                                         |                  click (DOM Event)\n *                    +-----------------------------------------+\n *                                fire( click, DOM Event )\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n * @implements module:utils/dom/emittermixin~Emitter\n * @private\n */\nclass ProxyEmitter {\n\t/**\n\t * @param {Node} node DOM Node that fires events.\n\t * @param {Object} [options] Additional options.\n\t * @param {Boolean} [options.useCapture=false] Indicates that events of this type will be dispatched to the registered\n\t * listener before being dispatched to any EventTarget beneath it in the DOM tree.\n\t * @param {Boolean} [options.usePassive=false] Indicates that the function specified by listener will never call preventDefault()\n\t * and prevents blocking browser's main thread by this event handler.\n\t */\n\tconstructor( node, options ) {\n\t\t// Set emitter ID to match DOM Node \"expando\" property.\n\t\t_setEmitterId( this, getProxyEmitterId( node, options ) );\n\n\t\t// Remember the DOM Node this ProxyEmitter is bound to.\n\t\tthis._domNode = node;\n\n\t\t// And given options.\n\t\tthis._options = options;\n\t}\n}\n\nextend( ProxyEmitter.prototype, EmitterMixin, {\n\t/**\n\t * Collection of native DOM listeners.\n\t *\n\t * @private\n\t * @member {Object} module:utils/dom/emittermixin~ProxyEmitter#_domListeners\n\t */\n\n\t/**\n\t * Registers a callback function to be executed when an event is fired.\n\t *\n\t * It attaches a native DOM listener to the DOM Node. When fired,\n\t * a corresponding Emitter event will also fire with DOM Event object as an argument.\n\t *\n\t * **Note**: This is automatically called by the\n\t * {@link module:utils/emittermixin~EmitterMixin#listenTo `EmitterMixin#listenTo()`}.\n\t *\n\t * @method module:utils/dom/emittermixin~ProxyEmitter#attach\n\t * @param {String} event The name of the event.\n\t */\n\tattach( event ) {\n\t\t// If the DOM Listener for given event already exist it is pointless\n\t\t// to attach another one.\n\t\tif ( this._domListeners && this._domListeners[ event ] ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst domListener = this._createDomListener( event );\n\n\t\t// Attach the native DOM listener to DOM Node.\n\t\tthis._domNode.addEventListener( event, domListener, this._options );\n\n\t\tif ( !this._domListeners ) {\n\t\t\tthis._domListeners = {};\n\t\t}\n\n\t\t// Store the native DOM listener in this ProxyEmitter. It will be helpful\n\t\t// when stopping listening to the event.\n\t\tthis._domListeners[ event ] = domListener;\n\t},\n\n\t/**\n\t * Stops executing the callback on the given event.\n\t *\n\t * **Note**: This is automatically called by the\n\t * {@link module:utils/emittermixin~EmitterMixin#stopListening `EmitterMixin#stopListening()`}.\n\t *\n\t * @method module:utils/dom/emittermixin~ProxyEmitter#detach\n\t * @param {String} event The name of the event.\n\t */\n\tdetach( event ) {\n\t\tlet events;\n\n\t\t// Remove native DOM listeners which are orphans. If no callbacks\n\t\t// are awaiting given event, detach native DOM listener from DOM Node.\n\t\t// See: {@link attach}.\n\n\t\tif ( this._domListeners[ event ] && ( !( events = this._events[ event ] ) || !events.callbacks.length ) ) {\n\t\t\tthis._domListeners[ event ].removeListener();\n\t\t}\n\t},\n\n\t/**\n\t * Adds callback to emitter for given event.\n\t *\n\t * @protected\n\t * @method module:utils/dom/emittermixin~ProxyEmitter#_addEventListener\n\t * @param {String} event The name of the event.\n\t * @param {Function} callback The function to be called on event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n\t * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n\t * order they were added.\n\t */\n\t_addEventListener( event, callback, options ) {\n\t\tthis.attach( event );\n\t\tEmitterMixin._addEventListener.call( this, event, callback, options );\n\t},\n\n\t/**\n\t * Removes callback from emitter for given event.\n\t *\n\t * @protected\n\t * @method module:utils/dom/emittermixin~ProxyEmitter#_removeEventListener\n\t * @param {String} event The name of the event.\n\t * @param {Function} callback The function to stop being called.\n\t */\n\t_removeEventListener( event, callback ) {\n\t\tEmitterMixin._removeEventListener.call( this, event, callback );\n\t\tthis.detach( event );\n\t},\n\n\t/**\n\t * Creates a native DOM listener callback. When the native DOM event\n\t * is fired it will fire corresponding event on this ProxyEmitter.\n\t * Note: A native DOM Event is passed as an argument.\n\t *\n\t * @private\n\t * @method module:utils/dom/emittermixin~ProxyEmitter#_createDomListener\n\t * @param {String} event The name of the event.\n\t * @returns {Function} The DOM listener callback.\n\t */\n\t_createDomListener( event ) {\n\t\tconst domListener = domEvt => {\n\t\t\tthis.fire( event, domEvt );\n\t\t};\n\n\t\t// Supply the DOM listener callback with a function that will help\n\t\t// detach it from the DOM Node, when it is no longer necessary.\n\t\t// See: {@link detach}.\n\t\tdomListener.removeListener = () => {\n\t\t\tthis._domNode.removeEventListener( event, domListener, this._options );\n\t\t\tdelete this._domListeners[ event ];\n\t\t};\n\n\t\treturn domListener;\n\t}\n} );\n\n// Gets an unique DOM Node identifier. The identifier will be set if not defined.\n//\n// @private\n// @param {Node} node\n// @returns {String} UID for given DOM Node.\nfunction getNodeUID( node ) {\n\treturn node[ 'data-ck-expando' ] || ( node[ 'data-ck-expando' ] = uid() );\n}\n\n// Gets id of the ProxyEmitter for the given node.\n//\n// Combines DOM Node identifier and additional options.\n//\n// @private\n// @param {Node} node\n// @param {Object} options Additional options.\n// @returns {String} ProxyEmitter id.\nfunction getProxyEmitterId( node, options ) {\n\tlet id = getNodeUID( node );\n\n\tfor ( const option of Object.keys( options ).sort() ) {\n\t\tif ( options[ option ] ) {\n\t\t\tid += '-' + option;\n\t\t}\n\t}\n\n\treturn id;\n}\n\n/**\n * Interface representing classes which mix in {@link module:utils/dom/emittermixin~EmitterMixin}.\n *\n * @interface Emitter\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/observer\n */\n\nimport DomEmitterMixin from '@ckeditor/ckeditor5-utils/src/dom/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Abstract base observer class. Observers are classes which listen to DOM events, do the preliminary\n * processing and fire events on the {@link module:engine/view/document~Document} objects.\n * Observers can also add features to the view, for instance by updating its status or marking elements\n * which need a refresh on DOM events.\n *\n * @abstract\n */\nexport default class Observer {\n\t/**\n\t * Creates an instance of the observer.\n\t *\n\t * @param {module:engine/view/view~View} view\n\t */\n\tconstructor( view ) {\n\t\t/**\n\t\t * An instance of the view controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/view~View}\n\t\t */\n\t\tthis.view = view;\n\n\t\t/**\n\t\t * A reference to the {@link module:engine/view/document~Document} object.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = view.document;\n\n\t\t/**\n\t\t * The state of the observer. If it is disabled, no events will be fired.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.isEnabled = false;\n\t}\n\n\t/**\n\t * Enables the observer. This method is called when the observer is registered to the\n\t * {@link module:engine/view/view~View} and after {@link module:engine/view/view~View#forceRender rendering}\n\t * (all observers are {@link #disable disabled} before rendering).\n\t *\n\t * A typical use case for disabling observers is that mutation observers need to be disabled for the rendering.\n\t * However, a child class may not need to be disabled, so it can implement an empty method.\n\t *\n\t * @see module:engine/view/observer/observer~Observer#disable\n\t */\n\tenable() {\n\t\tthis.isEnabled = true;\n\t}\n\n\t/**\n\t * Disables the observer. This method is called before\n\t * {@link module:engine/view/view~View#forceRender rendering} to prevent firing events during rendering.\n\t *\n\t * @see module:engine/view/observer/observer~Observer#enable\n\t */\n\tdisable() {\n\t\tthis.isEnabled = false;\n\t}\n\n\t/**\n\t * Disables and destroys the observer, among others removes event listeners created by the observer.\n\t */\n\tdestroy() {\n\t\tthis.disable();\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Checks whether a given DOM event should be ignored (should not be turned into a synthetic view document event).\n\t *\n\t * Currently, an event will be ignored only if its target or any of its ancestors has the `data-cke-ignore-events` attribute.\n\t * This attribute can be used inside the structures generated by\n\t * {@link module:engine/view/downcastwriter~DowncastWriter#createUIElement `DowncastWriter#createUIElement()`} to ignore events\n\t * fired within a UI that should be excluded from CKEditor 5's realms.\n\t *\n\t * @param {Node} domTarget The DOM event target to check (usually an element, sometimes a text node and\n\t * potentially sometimes a document, too).\n\t * @returns {Boolean} Whether this event should be ignored by the observer.\n\t */\n\tcheckShouldIgnoreEventFromTarget( domTarget ) {\n\t\tif ( domTarget && domTarget.nodeType === 3 ) {\n\t\t\tdomTarget = domTarget.parentNode;\n\t\t}\n\n\t\tif ( !domTarget || domTarget.nodeType !== 1 ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn domTarget.matches( '[data-cke-ignore-events], [data-cke-ignore-events] *' );\n\t}\n\n\t/**\n\t * Starts observing the given root element.\n\t *\n\t * @method #observe\n\t * @param {HTMLElement} domElement\n\t * @param {String} name The name of the root element.\n\t */\n}\n\nmix( Observer, DomEmitterMixin );\n","/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\nfunction setCacheAdd(value) {\n  this.__data__.set(value, HASH_UNDEFINED);\n  return this;\n}\n\nexport default setCacheAdd;\n","/**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\nfunction setCacheHas(value) {\n  return this.__data__.has(value);\n}\n\nexport default setCacheHas;\n","import MapCache from './_MapCache.js';\nimport setCacheAdd from './_setCacheAdd.js';\nimport setCacheHas from './_setCacheHas.js';\n\n/**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\nfunction SetCache(values) {\n  var index = -1,\n      length = values == null ? 0 : values.length;\n\n  this.__data__ = new MapCache;\n  while (++index < length) {\n    this.add(values[index]);\n  }\n}\n\n// Add methods to `SetCache`.\nSetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\nSetCache.prototype.has = setCacheHas;\n\nexport default SetCache;\n","/**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n *  else `false`.\n */\nfunction arraySome(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length;\n\n  while (++index < length) {\n    if (predicate(array[index], index, array)) {\n      return true;\n    }\n  }\n  return false;\n}\n\nexport default arraySome;\n","/**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction cacheHas(cache, key) {\n  return cache.has(key);\n}\n\nexport default cacheHas;\n","import SetCache from './_SetCache.js';\nimport arraySome from './_arraySome.js';\nimport cacheHas from './_cacheHas.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1,\n    COMPARE_UNORDERED_FLAG = 2;\n\n/**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\nfunction equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n      arrLength = array.length,\n      othLength = other.length;\n\n  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n    return false;\n  }\n  // Check that cyclic values are equal.\n  var arrStacked = stack.get(array);\n  var othStacked = stack.get(other);\n  if (arrStacked && othStacked) {\n    return arrStacked == other && othStacked == array;\n  }\n  var index = -1,\n      result = true,\n      seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n  stack.set(array, other);\n  stack.set(other, array);\n\n  // Ignore non-index properties.\n  while (++index < arrLength) {\n    var arrValue = array[index],\n        othValue = other[index];\n\n    if (customizer) {\n      var compared = isPartial\n        ? customizer(othValue, arrValue, index, other, array, stack)\n        : customizer(arrValue, othValue, index, array, other, stack);\n    }\n    if (compared !== undefined) {\n      if (compared) {\n        continue;\n      }\n      result = false;\n      break;\n    }\n    // Recursively compare arrays (susceptible to call stack limits).\n    if (seen) {\n      if (!arraySome(other, function(othValue, othIndex) {\n            if (!cacheHas(seen, othIndex) &&\n                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n              return seen.push(othIndex);\n            }\n          })) {\n        result = false;\n        break;\n      }\n    } else if (!(\n          arrValue === othValue ||\n            equalFunc(arrValue, othValue, bitmask, customizer, stack)\n        )) {\n      result = false;\n      break;\n    }\n  }\n  stack['delete'](array);\n  stack['delete'](other);\n  return result;\n}\n\nexport default equalArrays;\n","/**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\nfunction mapToArray(map) {\n  var index = -1,\n      result = Array(map.size);\n\n  map.forEach(function(value, key) {\n    result[++index] = [key, value];\n  });\n  return result;\n}\n\nexport default mapToArray;\n","/**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\nfunction setToArray(set) {\n  var index = -1,\n      result = Array(set.size);\n\n  set.forEach(function(value) {\n    result[++index] = value;\n  });\n  return result;\n}\n\nexport default setToArray;\n","import Symbol from './_Symbol.js';\nimport Uint8Array from './_Uint8Array.js';\nimport eq from './eq.js';\nimport equalArrays from './_equalArrays.js';\nimport mapToArray from './_mapToArray.js';\nimport setToArray from './_setToArray.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1,\n    COMPARE_UNORDERED_FLAG = 2;\n\n/** `Object#toString` result references. */\nvar boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    errorTag = '[object Error]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    symbolTag = '[object Symbol]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]';\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;\n\n/**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n  switch (tag) {\n    case dataViewTag:\n      if ((object.byteLength != other.byteLength) ||\n          (object.byteOffset != other.byteOffset)) {\n        return false;\n      }\n      object = object.buffer;\n      other = other.buffer;\n\n    case arrayBufferTag:\n      if ((object.byteLength != other.byteLength) ||\n          !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n        return false;\n      }\n      return true;\n\n    case boolTag:\n    case dateTag:\n    case numberTag:\n      // Coerce booleans to `1` or `0` and dates to milliseconds.\n      // Invalid dates are coerced to `NaN`.\n      return eq(+object, +other);\n\n    case errorTag:\n      return object.name == other.name && object.message == other.message;\n\n    case regexpTag:\n    case stringTag:\n      // Coerce regexes to strings and treat strings, primitives and objects,\n      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n      // for more details.\n      return object == (other + '');\n\n    case mapTag:\n      var convert = mapToArray;\n\n    case setTag:\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n      convert || (convert = setToArray);\n\n      if (object.size != other.size && !isPartial) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked) {\n        return stacked == other;\n      }\n      bitmask |= COMPARE_UNORDERED_FLAG;\n\n      // Recursively compare objects (susceptible to call stack limits).\n      stack.set(object, other);\n      var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n      stack['delete'](object);\n      return result;\n\n    case symbolTag:\n      if (symbolValueOf) {\n        return symbolValueOf.call(object) == symbolValueOf.call(other);\n      }\n  }\n  return false;\n}\n\nexport default equalByTag;\n","import getAllKeys from './_getAllKeys.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1;\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n      objProps = getAllKeys(object),\n      objLength = objProps.length,\n      othProps = getAllKeys(other),\n      othLength = othProps.length;\n\n  if (objLength != othLength && !isPartial) {\n    return false;\n  }\n  var index = objLength;\n  while (index--) {\n    var key = objProps[index];\n    if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n      return false;\n    }\n  }\n  // Check that cyclic values are equal.\n  var objStacked = stack.get(object);\n  var othStacked = stack.get(other);\n  if (objStacked && othStacked) {\n    return objStacked == other && othStacked == object;\n  }\n  var result = true;\n  stack.set(object, other);\n  stack.set(other, object);\n\n  var skipCtor = isPartial;\n  while (++index < objLength) {\n    key = objProps[index];\n    var objValue = object[key],\n        othValue = other[key];\n\n    if (customizer) {\n      var compared = isPartial\n        ? customizer(othValue, objValue, key, other, object, stack)\n        : customizer(objValue, othValue, key, object, other, stack);\n    }\n    // Recursively compare objects (susceptible to call stack limits).\n    if (!(compared === undefined\n          ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n          : compared\n        )) {\n      result = false;\n      break;\n    }\n    skipCtor || (skipCtor = key == 'constructor');\n  }\n  if (result && !skipCtor) {\n    var objCtor = object.constructor,\n        othCtor = other.constructor;\n\n    // Non `Object` object instances with different constructors are not equal.\n    if (objCtor != othCtor &&\n        ('constructor' in object && 'constructor' in other) &&\n        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n          typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n      result = false;\n    }\n  }\n  stack['delete'](object);\n  stack['delete'](other);\n  return result;\n}\n\nexport default equalObjects;\n","import Stack from './_Stack.js';\nimport equalArrays from './_equalArrays.js';\nimport equalByTag from './_equalByTag.js';\nimport equalObjects from './_equalObjects.js';\nimport getTag from './_getTag.js';\nimport isArray from './isArray.js';\nimport isBuffer from './isBuffer.js';\nimport isTypedArray from './isTypedArray.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1;\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n    arrayTag = '[object Array]',\n    objectTag = '[object Object]';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n  var objIsArr = isArray(object),\n      othIsArr = isArray(other),\n      objTag = objIsArr ? arrayTag : getTag(object),\n      othTag = othIsArr ? arrayTag : getTag(other);\n\n  objTag = objTag == argsTag ? objectTag : objTag;\n  othTag = othTag == argsTag ? objectTag : othTag;\n\n  var objIsObj = objTag == objectTag,\n      othIsObj = othTag == objectTag,\n      isSameTag = objTag == othTag;\n\n  if (isSameTag && isBuffer(object)) {\n    if (!isBuffer(other)) {\n      return false;\n    }\n    objIsArr = true;\n    objIsObj = false;\n  }\n  if (isSameTag && !objIsObj) {\n    stack || (stack = new Stack);\n    return (objIsArr || isTypedArray(object))\n      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n  }\n  if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n    if (objIsWrapped || othIsWrapped) {\n      var objUnwrapped = objIsWrapped ? object.value() : object,\n          othUnwrapped = othIsWrapped ? other.value() : other;\n\n      stack || (stack = new Stack);\n      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n    }\n  }\n  if (!isSameTag) {\n    return false;\n  }\n  stack || (stack = new Stack);\n  return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n}\n\nexport default baseIsEqualDeep;\n","import baseIsEqualDeep from './_baseIsEqualDeep.js';\nimport isObjectLike from './isObjectLike.js';\n\n/**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n *  1 - Unordered comparison\n *  2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\nfunction baseIsEqual(value, other, bitmask, customizer, stack) {\n  if (value === other) {\n    return true;\n  }\n  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n    return value !== value && other !== other;\n  }\n  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n}\n\nexport default baseIsEqual;\n","import baseIsEqual from './_baseIsEqual.js';\n\n/**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n *   return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n *   if (isGreeting(objValue) && isGreeting(othValue)) {\n *     return true;\n *   }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\nfunction isEqualWith(value, other, customizer) {\n  customizer = typeof customizer == 'function' ? customizer : undefined;\n  var result = customizer ? customizer(value, other) : undefined;\n  return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n}\n\nexport default isEqualWith;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/mutationobserver\n */\n\n/* globals window */\n\nimport Observer from './observer';\nimport ViewSelection from '../selection';\nimport { startsWithFiller, getDataWithoutFiller } from '../filler';\nimport { isEqualWith } from 'lodash-es';\n\n/**\n * Mutation observer class observes changes in the DOM, fires {@link module:engine/view/document~Document#event:mutations} event, mark view\n * elements as changed and call {@link module:engine/view/renderer~Renderer#render}.\n * Because all mutated nodes are marked as \"to be rendered\" and the\n * {@link module:engine/view/renderer~Renderer#render} is called, all changes will be reverted, unless the mutation will be handled by the\n * {@link module:engine/view/document~Document#event:mutations} event listener. It means user will see only handled changes, and the editor\n * will block all changes which are not handled.\n *\n * Mutation Observer also take care of reducing number of mutations which are fired. It removes duplicates and\n * mutations on elements which do not have corresponding view elements. Also\n * {@link module:engine/view/observer/mutationobserver~MutatedText text mutation} is fired only if parent element do not change child list.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class MutationObserver extends Observer {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\t/**\n\t\t * Native mutation observer config.\n\t\t *\n\t\t * @private\n\t\t * @member {Object}\n\t\t */\n\t\tthis._config = {\n\t\t\tchildList: true,\n\t\t\tcharacterData: true,\n\t\t\tcharacterDataOldValue: true,\n\t\t\tsubtree: true\n\t\t};\n\n\t\t/**\n\t\t * Reference to the {@link module:engine/view/view~View#domConverter}.\n\t\t *\n\t\t * @member {module:engine/view/domconverter~DomConverter}\n\t\t */\n\t\tthis.domConverter = view.domConverter;\n\n\t\t/**\n\t\t * Reference to the {@link module:engine/view/view~View#_renderer}.\n\t\t *\n\t\t * @member {module:engine/view/renderer~Renderer}\n\t\t */\n\t\tthis.renderer = view._renderer;\n\n\t\t/**\n\t\t * Observed DOM elements.\n\t\t *\n\t\t * @private\n\t\t * @member {Array.<HTMLElement>}\n\t\t */\n\t\tthis._domElements = [];\n\n\t\t/**\n\t\t * Native mutation observer.\n\t\t *\n\t\t * @private\n\t\t * @member {MutationObserver}\n\t\t */\n\t\tthis._mutationObserver = new window.MutationObserver( this._onMutations.bind( this ) );\n\t}\n\n\t/**\n\t * Synchronously fires {@link module:engine/view/document~Document#event:mutations} event with all mutations in record queue.\n\t * At the same time empties the queue so mutations will not be fired twice.\n\t */\n\tflush() {\n\t\tthis._onMutations( this._mutationObserver.takeRecords() );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve( domElement ) {\n\t\tthis._domElements.push( domElement );\n\n\t\tif ( this.isEnabled ) {\n\t\t\tthis._mutationObserver.observe( domElement, this._config );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tenable() {\n\t\tsuper.enable();\n\n\t\tfor ( const domElement of this._domElements ) {\n\t\t\tthis._mutationObserver.observe( domElement, this._config );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdisable() {\n\t\tsuper.disable();\n\n\t\tthis._mutationObserver.disconnect();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis._mutationObserver.disconnect();\n\t}\n\n\t/**\n\t * Handles mutations. Deduplicates, mark view elements to sync, fire event and call render.\n\t *\n\t * @private\n\t * @param {Array.<Object>} domMutations Array of native mutations.\n\t */\n\t_onMutations( domMutations ) {\n\t\t// As a result of this.flush() we can have an empty collection.\n\t\tif ( domMutations.length === 0 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst domConverter = this.domConverter;\n\n\t\t// Use map and set for deduplication.\n\t\tconst mutatedTexts = new Map();\n\t\tconst mutatedElements = new Set();\n\n\t\t// Handle `childList` mutations first, so we will be able to check if the `characterData` mutation is in the\n\t\t// element with changed structure anyway.\n\t\tfor ( const mutation of domMutations ) {\n\t\t\tif ( mutation.type === 'childList' ) {\n\t\t\t\tconst element = domConverter.mapDomToView( mutation.target );\n\n\t\t\t\t// Do not collect mutations from UIElements and RawElements.\n\t\t\t\tif ( element && ( element.is( 'uiElement' ) || element.is( 'rawElement' ) ) ) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tif ( element && !this._isBogusBrMutation( mutation ) ) {\n\t\t\t\t\tmutatedElements.add( element );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Handle `characterData` mutations later, when we have the full list of nodes which changed structure.\n\t\tfor ( const mutation of domMutations ) {\n\t\t\tconst element = domConverter.mapDomToView( mutation.target );\n\n\t\t\t// Do not collect mutations from UIElements and RawElements.\n\t\t\tif ( element && ( element.is( 'uiElement' ) || element.is( 'rawElement' ) ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tif ( mutation.type === 'characterData' ) {\n\t\t\t\tconst text = domConverter.findCorrespondingViewText( mutation.target );\n\n\t\t\t\tif ( text && !mutatedElements.has( text.parent ) ) {\n\t\t\t\t\t// Use text as a key, for deduplication. If there will be another mutation on the same text element\n\t\t\t\t\t// we will have only one in the map.\n\t\t\t\t\tmutatedTexts.set( text, {\n\t\t\t\t\t\ttype: 'text',\n\t\t\t\t\t\toldText: text.data,\n\t\t\t\t\t\tnewText: getDataWithoutFiller( mutation.target ),\n\t\t\t\t\t\tnode: text\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t\t// When we added first letter to the text node which had only inline filler, for the DOM it is mutation\n\t\t\t\t// on text, but for the view, where filler text node did not existed, new text node was created, so we\n\t\t\t\t// need to fire 'children' mutation instead of 'text'.\n\t\t\t\telse if ( !text && startsWithFiller( mutation.target ) ) {\n\t\t\t\t\tmutatedElements.add( domConverter.mapDomToView( mutation.target.parentNode ) );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Now we build the list of mutations to fire and mark elements. We did not do it earlier to avoid marking the\n\t\t// same node multiple times in case of duplication.\n\n\t\t// List of mutations we will fire.\n\t\tconst viewMutations = [];\n\n\t\tfor ( const mutatedText of mutatedTexts.values() ) {\n\t\t\tthis.renderer.markToSync( 'text', mutatedText.node );\n\t\t\tviewMutations.push( mutatedText );\n\t\t}\n\n\t\tfor ( const viewElement of mutatedElements ) {\n\t\t\tconst domElement = domConverter.mapViewToDom( viewElement );\n\t\t\tconst viewChildren = Array.from( viewElement.getChildren() );\n\t\t\tconst newViewChildren = Array.from( domConverter.domChildrenToView( domElement, { withChildren: false } ) );\n\n\t\t\t// It may happen that as a result of many changes (sth was inserted and then removed),\n\t\t\t// both elements haven't really changed. #1031\n\t\t\tif ( !isEqualWith( viewChildren, newViewChildren, sameNodes ) ) {\n\t\t\t\tthis.renderer.markToSync( 'children', viewElement );\n\n\t\t\t\tviewMutations.push( {\n\t\t\t\t\ttype: 'children',\n\t\t\t\t\toldChildren: viewChildren,\n\t\t\t\t\tnewChildren: newViewChildren,\n\t\t\t\t\tnode: viewElement\n\t\t\t\t} );\n\t\t\t}\n\t\t}\n\n\t\t// Retrieve `domSelection` using `ownerDocument` of one of mutated nodes.\n\t\t// There should not be simultaneous mutation in multiple documents, so it's fine.\n\t\tconst domSelection = domMutations[ 0 ].target.ownerDocument.getSelection();\n\n\t\tlet viewSelection = null;\n\n\t\tif ( domSelection && domSelection.anchorNode ) {\n\t\t\t// If `domSelection` is inside a dom node that is already bound to a view node from view tree, get\n\t\t\t// corresponding selection in the view and pass it together with `viewMutations`. The `viewSelection` may\n\t\t\t// be used by features handling mutations.\n\t\t\t// Only one range is supported.\n\n\t\t\tconst viewSelectionAnchor = domConverter.domPositionToView( domSelection.anchorNode, domSelection.anchorOffset );\n\t\t\tconst viewSelectionFocus = domConverter.domPositionToView( domSelection.focusNode, domSelection.focusOffset );\n\n\t\t\t// Anchor and focus has to be properly mapped to view.\n\t\t\tif ( viewSelectionAnchor && viewSelectionFocus ) {\n\t\t\t\tviewSelection = new ViewSelection( viewSelectionAnchor );\n\t\t\t\tviewSelection.setFocus( viewSelectionFocus );\n\t\t\t}\n\t\t}\n\n\t\t// In case only non-relevant mutations were recorded it skips the event and force render (#5600).\n\t\tif ( viewMutations.length ) {\n\t\t\tthis.document.fire( 'mutations', viewMutations, viewSelection );\n\n\t\t\t// If nothing changes on `mutations` event, at this point we have \"dirty DOM\" (changed) and de-synched\n\t\t\t// view (which has not been changed). In order to \"reset DOM\" we render the view again.\n\t\t\tthis.view.forceRender();\n\t\t}\n\n\t\tfunction sameNodes( child1, child2 ) {\n\t\t\t// First level of comparison (array of children vs array of children) – use the Lodash's default behavior.\n\t\t\tif ( Array.isArray( child1 ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Elements.\n\t\t\tif ( child1 === child2 ) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t\t// Texts.\n\t\t\telse if ( child1.is( '$text' ) && child2.is( '$text' ) ) {\n\t\t\t\treturn child1.data === child2.data;\n\t\t\t}\n\n\t\t\t// Not matching types.\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t/**\n\t * Checks if mutation was generated by the browser inserting bogus br on the end of the block element.\n\t * Such mutations are generated while pressing space or performing native spellchecker correction\n\t * on the end of the block element in Firefox browser.\n\t *\n\t * @private\n\t * @param {Object} mutation Native mutation object.\n\t * @returns {Boolean}\n\t */\n\t_isBogusBrMutation( mutation ) {\n\t\tlet addedNode = null;\n\n\t\t// Check if mutation added only one node on the end of its parent.\n\t\tif ( mutation.nextSibling === null && mutation.removedNodes.length === 0 && mutation.addedNodes.length == 1 ) {\n\t\t\taddedNode = this.domConverter.domToView( mutation.addedNodes[ 0 ], {\n\t\t\t\twithChildren: false\n\t\t\t} );\n\t\t}\n\n\t\treturn addedNode && addedNode.is( 'element', 'br' );\n\t}\n}\n\n/**\n * Fired when mutation occurred. If tree view is not changed on this event, DOM will be reverted to the state before\n * mutation, so all changes which should be applied, should be handled on this event.\n *\n * Introduced by {@link module:engine/view/observer/mutationobserver~MutationObserver}.\n *\n * Note that because {@link module:engine/view/observer/mutationobserver~MutationObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/mutationobserver~MutationObserver\n * @event module:engine/view/document~Document#event:mutations\n * @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|module:engine/view/observer/mutationobserver~MutatedChildren>}\n * viewMutations Array of mutations.\n * For mutated texts it will be {@link module:engine/view/observer/mutationobserver~MutatedText} and for mutated elements it will be\n * {@link module:engine/view/observer/mutationobserver~MutatedChildren}. You can recognize the type based on the `type` property.\n * @param {module:engine/view/selection~Selection|null} viewSelection View selection that is a result of converting DOM selection to view.\n * Keep in\n * mind that the DOM selection is already \"updated\", meaning that it already acknowledges changes done in mutation.\n */\n\n/**\n * Mutation item for text.\n *\n * @see module:engine/view/document~Document#event:mutations\n * @see module:engine/view/observer/mutationobserver~MutatedChildren\n *\n * @typedef {Object} module:engine/view/observer/mutationobserver~MutatedText\n *\n * @property {String} type For text mutations it is always 'text'.\n * @property {module:engine/view/text~Text} node Mutated text node.\n * @property {String} oldText Old text.\n * @property {String} newText New text.\n */\n\n/**\n * Mutation item for child nodes.\n *\n * @see module:engine/view/document~Document#event:mutations\n * @see module:engine/view/observer/mutationobserver~MutatedText\n *\n * @typedef {Object} module:engine/view/observer/mutationobserver~MutatedChildren\n *\n * @property {String} type For child nodes mutations it is always 'children'.\n * @property {module:engine/view/element~Element} node Parent of the mutated children.\n * @property {Array.<module:engine/view/node~Node>} oldChildren Old child nodes.\n * @property {Array.<module:engine/view/node~Node>} newChildren New child nodes.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/domeventdata\n */\n\nimport { extend } from 'lodash-es';\n\n/**\n * Information about a DOM event in context of the {@link module:engine/view/document~Document}.\n * It wraps the native event, which usually should not be used as the wrapper contains\n * additional data (like key code for keyboard events).\n */\nexport default class DomEventData {\n\t/**\n\t * @param {module:engine/view/view~View} view The instance of the view controller.\n\t * @param {Event} domEvent The DOM event.\n\t * @param {Object} [additionalData] Additional properties that the instance should contain.\n\t */\n\tconstructor( view, domEvent, additionalData ) {\n\t\t/**\n\t\t * Instance of the view controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/view~View} module:engine/view/observer/observer~Observer.DomEvent#view\n\t\t */\n\t\tthis.view = view;\n\n\t\t/**\n\t\t * The instance of the document.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document} module:engine/view/observer/observer~Observer.DomEvent#document\n\t\t */\n\t\tthis.document = view.document;\n\n\t\t/**\n\t\t * The DOM event.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Event} module:engine/view/observer/observer~Observer.DomEvent#domEvent\n\t\t */\n\t\tthis.domEvent = domEvent;\n\n\t\t/**\n\t\t * The DOM target.\n\t\t *\n\t\t * @readonly\n\t\t * @member {HTMLElement} module:engine/view/observer/observer~Observer.DomEvent#target\n\t\t */\n\t\tthis.domTarget = domEvent.target;\n\n\t\textend( this, additionalData );\n\t}\n\n\t/**\n\t * The tree view element representing the target.\n\t *\n\t * @readonly\n\t * @type module:engine/view/element~Element\n\t */\n\tget target() {\n\t\treturn this.view.domConverter.mapDomToView( this.domTarget );\n\t}\n\n\t/**\n\t * Prevents the native's event default action.\n\t */\n\tpreventDefault() {\n\t\tthis.domEvent.preventDefault();\n\t}\n\n\t/**\n\t * Stops native event propagation.\n\t */\n\tstopPropagation() {\n\t\tthis.domEvent.stopPropagation();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/domeventobserver\n */\n\nimport Observer from './observer';\nimport DomEventData from './domeventdata';\n\n/**\n * Base class for DOM event observers. This class handles\n * {@link module:engine/view/observer/observer~Observer#observe adding} listeners to DOM elements,\n * {@link module:engine/view/observer/observer~Observer#disable disabling} and\n * {@link module:engine/view/observer/observer~Observer#enable re-enabling} events.\n * Child class needs to define\n * {@link module:engine/view/observer/domeventobserver~DomEventObserver#domEventType DOM event type} and\n * {@link module:engine/view/observer/domeventobserver~DomEventObserver#onDomEvent callback}.\n *\n * For instance:\n *\n *\t\tclass ClickObserver extends DomEventObserver {\n *\t\t\t// It can also be defined as a normal property in the constructor.\n *\t\t\tget domEventType() {\n *\t\t\t\treturn 'click';\n *\t\t\t}\n *\n *\t\t\tonDomEvent( domEvent ) {\n *\t\t\t\tthis.fire( 'click', domEvent );\n *\t\t\t}\n *\t\t}\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class DomEventObserver extends Observer {\n\t/**\n\t * Type of the DOM event the observer should listen to. Array of types can be defined\n\t * if the observer should listen to multiple DOM events.\n\t *\n\t * @readonly\n\t * @member {String|Array.<String>} #domEventType\n\t */\n\n\t/**\n\t * Callback which should be called when the DOM event occurred. Note that the callback will not be called if\n\t * observer {@link #isEnabled is not enabled}.\n\t *\n\t * @see #domEventType\n\t * @abstract\n\t * @method #onDomEvent\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\t/**\n\t\t * If set to `true` DOM events will be listened on the capturing phase.\n\t\t * Default value is `false`.\n\t\t *\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.useCapture = false;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve( domElement ) {\n\t\tconst types = typeof this.domEventType == 'string' ? [ this.domEventType ] : this.domEventType;\n\n\t\ttypes.forEach( type => {\n\t\t\tthis.listenTo( domElement, type, ( eventInfo, domEvent ) => {\n\t\t\t\tif ( this.isEnabled && !this.checkShouldIgnoreEventFromTarget( domEvent.target ) ) {\n\t\t\t\t\tthis.onDomEvent( domEvent );\n\t\t\t\t}\n\t\t\t}, { useCapture: this.useCapture } );\n\t\t} );\n\t}\n\n\t/**\n\t * Calls `Document#fire()` if observer {@link #isEnabled is enabled}.\n\t *\n\t * @see module:utils/emittermixin~EmitterMixin#fire\n\t * @param {String} eventType The event type (name).\n\t * @param {Event} domEvent The DOM event.\n\t * @param {Object} [additionalData] The additional data which should extend the\n\t * {@link module:engine/view/observer/domeventdata~DomEventData event data} object.\n\t */\n\tfire( eventType, domEvent, additionalData ) {\n\t\tif ( this.isEnabled ) {\n\t\t\tthis.document.fire( eventType, new DomEventData( this.view, domEvent, additionalData ) );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/keyobserver\n */\n\nimport DomEventObserver from './domeventobserver';\nimport { getCode } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * Observer for events connected with pressing keyboard keys.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class KeyObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'keydown', 'keyup' ];\n\t}\n\n\tonDomEvent( domEvt ) {\n\t\tthis.fire( domEvt.type, domEvt, {\n\t\t\tkeyCode: domEvt.keyCode,\n\n\t\t\taltKey: domEvt.altKey,\n\t\t\tctrlKey: domEvt.ctrlKey,\n\t\t\tshiftKey: domEvt.shiftKey,\n\t\t\tmetaKey: domEvt.metaKey,\n\n\t\t\tget keystroke() {\n\t\t\t\treturn getCode( this );\n\t\t\t}\n\t\t} );\n\t}\n}\n\n/**\n * Fired when a key has been pressed.\n *\n * Introduced by {@link module:engine/view/observer/keyobserver~KeyObserver}.\n *\n * Note that because {@link module:engine/view/observer/keyobserver~KeyObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/keyobserver~KeyObserver\n * @event module:engine/view/document~Document#event:keydown\n * @param {module:engine/view/observer/keyobserver~KeyEventData} keyEventData\n */\n\n/**\n * Fired when a key has been released.\n *\n * Introduced by {@link module:engine/view/observer/keyobserver~KeyObserver}.\n *\n * Note that because {@link module:engine/view/observer/keyobserver~KeyObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/keyobserver~KeyObserver\n * @event module:engine/view/document~Document#event:keyup\n * @param {module:engine/view/observer/keyobserver~KeyEventData} keyEventData\n */\n\n/**\n * The value of both events - {@link module:engine/view/document~Document#event:keydown} and\n * {@link module:engine/view/document~Document#event:keyup}.\n *\n * @class module:engine/view/observer/keyobserver~KeyEventData\n * @extends module:engine/view/observer/domeventdata~DomEventData\n * @implements module:utils/keyboard~KeystrokeInfo\n */\n\n/**\n * Code of the whole keystroke. See {@link module:utils/keyboard~getCode}.\n *\n * @readonly\n * @member {Number} module:engine/view/observer/keyobserver~KeyEventData#keystroke\n */\n","import root from './_root.js';\n\n/**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n *   console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\nvar now = function() {\n  return root.Date.now();\n};\n\nexport default now;\n","/** Used to match a single whitespace character. */\nvar reWhitespace = /\\s/;\n\n/**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace\n * character of `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the index of the last non-whitespace character.\n */\nfunction trimmedEndIndex(string) {\n  var index = string.length;\n\n  while (index-- && reWhitespace.test(string.charAt(index))) {}\n  return index;\n}\n\nexport default trimmedEndIndex;\n","import trimmedEndIndex from './_trimmedEndIndex.js';\n\n/** Used to match leading whitespace. */\nvar reTrimStart = /^\\s+/;\n\n/**\n * The base implementation of `_.trim`.\n *\n * @private\n * @param {string} string The string to trim.\n * @returns {string} Returns the trimmed string.\n */\nfunction baseTrim(string) {\n  return string\n    ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')\n    : string;\n}\n\nexport default baseTrim;\n","import baseTrim from './_baseTrim.js';\nimport isObject from './isObject.js';\nimport isSymbol from './isSymbol.js';\n\n/** Used as references for various `Number` constants. */\nvar NAN = 0 / 0;\n\n/** Used to detect bad signed hexadecimal string values. */\nvar reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n/** Used to detect binary string values. */\nvar reIsBinary = /^0b[01]+$/i;\n\n/** Used to detect octal string values. */\nvar reIsOctal = /^0o[0-7]+$/i;\n\n/** Built-in method references without a dependency on `root`. */\nvar freeParseInt = parseInt;\n\n/**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\nfunction toNumber(value) {\n  if (typeof value == 'number') {\n    return value;\n  }\n  if (isSymbol(value)) {\n    return NAN;\n  }\n  if (isObject(value)) {\n    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n    value = isObject(other) ? (other + '') : other;\n  }\n  if (typeof value != 'string') {\n    return value === 0 ? value : +value;\n  }\n  value = baseTrim(value);\n  var isBinary = reIsBinary.test(value);\n  return (isBinary || reIsOctal.test(value))\n    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n    : (reIsBadHex.test(value) ? NAN : +value);\n}\n\nexport default toNumber;\n","import isObject from './isObject.js';\nimport now from './now.js';\nimport toNumber from './toNumber.js';\n\n/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max,\n    nativeMin = Math.min;\n\n/**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n *  Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n *  The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n *  Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n *   'leading': true,\n *   'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\nfunction debounce(func, wait, options) {\n  var lastArgs,\n      lastThis,\n      maxWait,\n      result,\n      timerId,\n      lastCallTime,\n      lastInvokeTime = 0,\n      leading = false,\n      maxing = false,\n      trailing = true;\n\n  if (typeof func != 'function') {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  wait = toNumber(wait) || 0;\n  if (isObject(options)) {\n    leading = !!options.leading;\n    maxing = 'maxWait' in options;\n    maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n    trailing = 'trailing' in options ? !!options.trailing : trailing;\n  }\n\n  function invokeFunc(time) {\n    var args = lastArgs,\n        thisArg = lastThis;\n\n    lastArgs = lastThis = undefined;\n    lastInvokeTime = time;\n    result = func.apply(thisArg, args);\n    return result;\n  }\n\n  function leadingEdge(time) {\n    // Reset any `maxWait` timer.\n    lastInvokeTime = time;\n    // Start the timer for the trailing edge.\n    timerId = setTimeout(timerExpired, wait);\n    // Invoke the leading edge.\n    return leading ? invokeFunc(time) : result;\n  }\n\n  function remainingWait(time) {\n    var timeSinceLastCall = time - lastCallTime,\n        timeSinceLastInvoke = time - lastInvokeTime,\n        timeWaiting = wait - timeSinceLastCall;\n\n    return maxing\n      ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n      : timeWaiting;\n  }\n\n  function shouldInvoke(time) {\n    var timeSinceLastCall = time - lastCallTime,\n        timeSinceLastInvoke = time - lastInvokeTime;\n\n    // Either this is the first call, activity has stopped and we're at the\n    // trailing edge, the system time has gone backwards and we're treating\n    // it as the trailing edge, or we've hit the `maxWait` limit.\n    return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n      (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n  }\n\n  function timerExpired() {\n    var time = now();\n    if (shouldInvoke(time)) {\n      return trailingEdge(time);\n    }\n    // Restart the timer.\n    timerId = setTimeout(timerExpired, remainingWait(time));\n  }\n\n  function trailingEdge(time) {\n    timerId = undefined;\n\n    // Only invoke if we have `lastArgs` which means `func` has been\n    // debounced at least once.\n    if (trailing && lastArgs) {\n      return invokeFunc(time);\n    }\n    lastArgs = lastThis = undefined;\n    return result;\n  }\n\n  function cancel() {\n    if (timerId !== undefined) {\n      clearTimeout(timerId);\n    }\n    lastInvokeTime = 0;\n    lastArgs = lastCallTime = lastThis = timerId = undefined;\n  }\n\n  function flush() {\n    return timerId === undefined ? result : trailingEdge(now());\n  }\n\n  function debounced() {\n    var time = now(),\n        isInvoking = shouldInvoke(time);\n\n    lastArgs = arguments;\n    lastThis = this;\n    lastCallTime = time;\n\n    if (isInvoking) {\n      if (timerId === undefined) {\n        return leadingEdge(lastCallTime);\n      }\n      if (maxing) {\n        // Handle invocations in a tight loop.\n        clearTimeout(timerId);\n        timerId = setTimeout(timerExpired, wait);\n        return invokeFunc(lastCallTime);\n      }\n    }\n    if (timerId === undefined) {\n      timerId = setTimeout(timerExpired, wait);\n    }\n    return result;\n  }\n  debounced.cancel = cancel;\n  debounced.flush = flush;\n  return debounced;\n}\n\nexport default debounce;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/fakeselectionobserver\n */\n\nimport Observer from './observer';\nimport ViewSelection from '../selection';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport { debounce } from 'lodash-es';\n\n/**\n * Fake selection observer class. If view selection is fake it is placed in dummy DOM container. This observer listens\n * on {@link module:engine/view/document~Document#event:keydown keydown} events and handles moving fake view selection to the correct place\n * if arrow keys are pressed.\n * Fires {@link module:engine/view/document~Document#event:selectionChange selectionChange event} simulating natural behaviour of\n * {@link module:engine/view/observer/selectionobserver~SelectionObserver SelectionObserver}.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class FakeSelectionObserver extends Observer {\n\t/**\n\t * Creates new FakeSelectionObserver instance.\n\t *\n\t * @param {module:engine/view/view~View} view\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\t/**\n\t\t * Fires debounced event `selectionChangeDone`. It uses `lodash#debounce` method to delay function call.\n\t\t *\n\t\t * @private\n\t\t * @param {Object} data Selection change data.\n\t\t * @method #_fireSelectionChangeDoneDebounced\n\t\t */\n\t\tthis._fireSelectionChangeDoneDebounced = debounce( data => this.document.fire( 'selectionChangeDone', data ), 200 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve() {\n\t\tconst document = this.document;\n\n\t\tdocument.on( 'arrowKey', ( eventInfo, data ) => {\n\t\t\tconst selection = document.selection;\n\n\t\t\tif ( selection.isFake && this.isEnabled ) {\n\t\t\t\t// Prevents default key down handling - no selection change will occur.\n\t\t\t\tdata.preventDefault();\n\t\t\t}\n\t\t}, { context: '$capture' } );\n\n\t\tdocument.on( 'arrowKey', ( eventInfo, data ) => {\n\t\t\tconst selection = document.selection;\n\n\t\t\tif ( selection.isFake && this.isEnabled ) {\n\t\t\t\tthis._handleSelectionMove( data.keyCode );\n\t\t\t}\n\t\t}, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis._fireSelectionChangeDoneDebounced.cancel();\n\t}\n\n\t/**\n\t * Handles collapsing view selection according to given key code. If left or up key is provided - new selection will be\n\t * collapsed to left. If right or down key is pressed - new selection will be collapsed to right.\n\t *\n\t * This method fires {@link module:engine/view/document~Document#event:selectionChange} and\n\t * {@link module:engine/view/document~Document#event:selectionChangeDone} events imitating behaviour of\n\t * {@link module:engine/view/observer/selectionobserver~SelectionObserver}.\n\t *\n\t * @private\n\t * @param {Number} keyCode\n\t * @fires module:engine/view/document~Document#event:selectionChange\n\t * @fires module:engine/view/document~Document#event:selectionChangeDone\n\t */\n\t_handleSelectionMove( keyCode ) {\n\t\tconst selection = this.document.selection;\n\t\tconst newSelection = new ViewSelection( selection.getRanges(), { backward: selection.isBackward, fake: false } );\n\n\t\t// Left or up arrow pressed - move selection to start.\n\t\tif ( keyCode == keyCodes.arrowleft || keyCode == keyCodes.arrowup ) {\n\t\t\tnewSelection.setTo( newSelection.getFirstPosition() );\n\t\t}\n\n\t\t// Right or down arrow pressed - move selection to end.\n\t\tif ( keyCode == keyCodes.arrowright || keyCode == keyCodes.arrowdown ) {\n\t\t\tnewSelection.setTo( newSelection.getLastPosition() );\n\t\t}\n\n\t\tconst data = {\n\t\t\toldSelection: selection,\n\t\t\tnewSelection,\n\t\t\tdomSelection: null\n\t\t};\n\n\t\t// Fire dummy selection change event.\n\t\tthis.document.fire( 'selectionChange', data );\n\n\t\t// Call` #_fireSelectionChangeDoneDebounced` every time when `selectionChange` event is fired.\n\t\t// This function is debounced what means that `selectionChangeDone` event will be fired only when\n\t\t// defined int the function time will elapse since the last time the function was called.\n\t\t// So `selectionChangeDone` will be fired when selection will stop changing.\n\t\tthis._fireSelectionChangeDoneDebounced( data );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/selectionobserver\n */\n\n/* global setInterval, clearInterval */\n\nimport Observer from './observer';\nimport MutationObserver from './mutationobserver';\nimport { debounce } from 'lodash-es';\n\n/**\n * Selection observer class observes selection changes in the document. If a selection changes on the document this\n * observer checks if there are any mutations and if the DOM selection is different from the\n * {@link module:engine/view/document~Document#selection view selection}. The selection observer fires\n * {@link module:engine/view/document~Document#event:selectionChange} event only if a selection change was the only change in the document\n * and the DOM selection is different then the view selection.\n *\n * This observer also manages the {@link module:engine/view/document~Document#isSelecting} property of the view document.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @see module:engine/view/observer/mutationobserver~MutationObserver\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class SelectionObserver extends Observer {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\t/**\n\t\t * Instance of the mutation observer. Selection observer calls\n\t\t * {@link module:engine/view/observer/mutationobserver~MutationObserver#flush} to ensure that the mutations will be handled\n\t\t * before the {@link module:engine/view/document~Document#event:selectionChange} event is fired.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/observer/mutationobserver~MutationObserver}\n\t\t * module:engine/view/observer/selectionobserver~SelectionObserver#mutationObserver\n\t\t */\n\t\tthis.mutationObserver = view.getObserver( MutationObserver );\n\n\t\t/**\n\t\t * Reference to the view {@link module:engine/view/documentselection~DocumentSelection} object used to compare\n\t\t * new selection with it.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/documentselection~DocumentSelection}\n\t\t * module:engine/view/observer/selectionobserver~SelectionObserver#selection\n\t\t */\n\t\tthis.selection = this.document.selection;\n\n\t\t/* eslint-disable max-len */\n\t\t/**\n\t\t * Reference to the {@link module:engine/view/view~View#domConverter}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/domconverter~DomConverter} module:engine/view/observer/selectionobserver~SelectionObserver#domConverter\n\t\t */\n\t\t/* eslint-enable max-len */\n\t\tthis.domConverter = view.domConverter;\n\n\t\t/**\n\t\t * A set of documents which have added `selectionchange` listener to avoid adding a listener twice to the same\n\t\t * document.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakSet.<Document>} module:engine/view/observer/selectionobserver~SelectionObserver#_documents\n\t\t */\n\t\tthis._documents = new WeakSet();\n\n\t\t/**\n\t\t * Fires debounced event `selectionChangeDone`. It uses `lodash#debounce` method to delay function call.\n\t\t *\n\t\t * @private\n\t\t * @param {Object} data Selection change data.\n\t\t * @method #_fireSelectionChangeDoneDebounced\n\t\t */\n\t\tthis._fireSelectionChangeDoneDebounced = debounce( data => this.document.fire( 'selectionChangeDone', data ), 200 );\n\n\t\t/**\n\t\t * When called, starts clearing the {@link #_loopbackCounter} counter in time intervals. When the number of selection\n\t\t * changes exceeds a certain limit within the interval of time, the observer will not fire `selectionChange` but warn about\n\t\t * possible infinite selection loop.\n\t\t *\n\t\t * @private\n\t\t * @member {Number} #_clearInfiniteLoopInterval\n\t\t */\n\t\tthis._clearInfiniteLoopInterval = setInterval( () => this._clearInfiniteLoop(), 1000 );\n\n\t\t/**\n\t\t * Unlocks the `isSelecting` state of the view document in case the selection observer did not record this fact\n\t\t * correctly (for whatever reason). It is a safeguard (paranoid check), that returns document to the normal state\n\t\t * after a certain period of time (debounced, postponed by each selectionchange event).\n\t\t *\n\t\t * @private\n\t\t * @method #_documentIsSelectingInactivityTimeoutDebounced\n\t\t */\n\t\tthis._documentIsSelectingInactivityTimeoutDebounced = debounce( () => ( this.document.isSelecting = false ), 5000 );\n\n\t\t/**\n\t\t * Private property to check if the code does not enter infinite loop.\n\t\t *\n\t\t * @private\n\t\t * @member {Number} module:engine/view/observer/selectionobserver~SelectionObserver#_loopbackCounter\n\t\t */\n\t\tthis._loopbackCounter = 0;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve( domElement ) {\n\t\tconst domDocument = domElement.ownerDocument;\n\n\t\tconst startDocumentIsSelecting = () => {\n\t\t\tthis.document.isSelecting = true;\n\n\t\t\t// Let's activate the safety timeout each time the document enters the \"is selecting\" state.\n\t\t\tthis._documentIsSelectingInactivityTimeoutDebounced();\n\t\t};\n\n\t\tconst endDocumentIsSelecting = () => {\n\t\t\tthis.document.isSelecting = false;\n\n\t\t\t// The safety timeout can be canceled when the document leaves the \"is selecting\" state.\n\t\t\tthis._documentIsSelectingInactivityTimeoutDebounced.cancel();\n\t\t};\n\n\t\t// The document has the \"is selecting\" state while the user keeps making (extending) the selection\n\t\t// (e.g. by holding the mouse button and moving the cursor). The state resets when they either released\n\t\t// the mouse button or interrupted the process by pressing or releasing any key.\n\t\tthis.listenTo( domElement, 'selectstart', startDocumentIsSelecting, { priority: 'highest' } );\n\t\tthis.listenTo( domElement, 'keydown', endDocumentIsSelecting, { priority: 'highest' } );\n\t\tthis.listenTo( domElement, 'keyup', endDocumentIsSelecting, { priority: 'highest' } );\n\n\t\t// Add document-wide listeners only once. This method could be called for multiple editing roots.\n\t\tif ( this._documents.has( domDocument ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.listenTo( domDocument, 'mouseup', endDocumentIsSelecting, { priority: 'highest' } );\n\t\tthis.listenTo( domDocument, 'selectionchange', ( evt, domEvent ) => {\n\t\t\tthis._handleSelectionChange( domEvent, domDocument );\n\n\t\t\t// Defer the safety timeout when the selection changes (e.g. the user keeps extending the selection\n\t\t\t// using their mouse).\n\t\t\tthis._documentIsSelectingInactivityTimeoutDebounced();\n\t\t} );\n\n\t\tthis._documents.add( domDocument );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tclearInterval( this._clearInfiniteLoopInterval );\n\t\tthis._fireSelectionChangeDoneDebounced.cancel();\n\t\tthis._documentIsSelectingInactivityTimeoutDebounced.cancel();\n\t}\n\n\t/**\n\t * Selection change listener. {@link module:engine/view/observer/mutationobserver~MutationObserver#flush Flush} mutations, check if\n\t * a selection changes and fires {@link module:engine/view/document~Document#event:selectionChange} event on every change\n\t * and {@link module:engine/view/document~Document#event:selectionChangeDone} when a selection stop changing.\n\t *\n\t * @private\n\t * @param {Event} domEvent DOM event.\n\t * @param {Document} domDocument DOM document.\n\t */\n\t_handleSelectionChange( domEvent, domDocument ) {\n\t\tif ( !this.isEnabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst domSelection = domDocument.defaultView.getSelection();\n\n\t\tif ( this.checkShouldIgnoreEventFromTarget( domSelection.anchorNode ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Ensure the mutation event will be before selection event on all browsers.\n\t\tthis.mutationObserver.flush();\n\n\t\t// If there were mutations then the view will be re-rendered by the mutation observer and the selection\n\t\t// will be updated, so the selections will equal and the event will not be fired, as expected.\n\t\tconst newViewSelection = this.domConverter.domSelectionToView( domSelection );\n\n\t\t// Do not convert selection change if the new view selection has no ranges in it.\n\t\t//\n\t\t// It means that the DOM selection is in some way incorrect. Ranges that were in the DOM selection could not be\n\t\t// converted to the view. This happens when the DOM selection was moved outside of the editable element.\n\t\tif ( newViewSelection.rangeCount == 0 ) {\n\t\t\tthis.view.hasDomSelection = false;\n\n\t\t\treturn;\n\t\t}\n\n\t\tthis.view.hasDomSelection = true;\n\n\t\tif ( this.selection.isEqual( newViewSelection ) && this.domConverter.isDomSelectionCorrect( domSelection ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Ensure we are not in the infinite loop (#400).\n\t\t// This counter is reset each second. 60 selection changes in 1 second is enough high number\n\t\t// to be very difficult (impossible) to achieve using just keyboard keys (during normal editor use).\n\t\tif ( ++this._loopbackCounter > 60 ) {\n\t\t\t// Selection change observer detected an infinite rendering loop.\n\t\t\t// Most probably you try to put the selection in the position which is not allowed\n\t\t\t// by the browser and browser fixes it automatically what causes `selectionchange` event on\n\t\t\t// which a loopback through a model tries to re-render the wrong selection and again.\n\t\t\t//\n\t\t\t// @if CK_DEBUG // console.warn( 'Selection change observer detected an infinite rendering loop.' );\n\n\t\t\treturn;\n\t\t}\n\n\t\tif ( this.selection.isSimilar( newViewSelection ) ) {\n\t\t\t// If selection was equal and we are at this point of algorithm, it means that it was incorrect.\n\t\t\t// Just re-render it, no need to fire any events, etc.\n\t\t\tthis.view.forceRender();\n\t\t} else {\n\t\t\tconst data = {\n\t\t\t\toldSelection: this.selection,\n\t\t\t\tnewSelection: newViewSelection,\n\t\t\t\tdomSelection\n\t\t\t};\n\n\t\t\t// Prepare data for new selection and fire appropriate events.\n\t\t\tthis.document.fire( 'selectionChange', data );\n\n\t\t\t// Call `#_fireSelectionChangeDoneDebounced` every time when `selectionChange` event is fired.\n\t\t\t// This function is debounced what means that `selectionChangeDone` event will be fired only when\n\t\t\t// defined int the function time will elapse since the last time the function was called.\n\t\t\t// So `selectionChangeDone` will be fired when selection will stop changing.\n\t\t\tthis._fireSelectionChangeDoneDebounced( data );\n\t\t}\n\t}\n\n\t/**\n\t * Clears `SelectionObserver` internal properties connected with preventing infinite loop.\n\t *\n\t * @protected\n\t */\n\t_clearInfiniteLoop() {\n\t\tthis._loopbackCounter = 0;\n\t}\n}\n\n/**\n * Fired when a selection has changed. This event is fired only when the selection change was the only change that happened\n * in the document, and the old selection is different then the new selection.\n *\n * Introduced by {@link module:engine/view/observer/selectionobserver~SelectionObserver}.\n *\n * Note that because {@link module:engine/view/observer/selectionobserver~SelectionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/selectionobserver~SelectionObserver\n * @event module:engine/view/document~Document#event:selectionChange\n * @param {Object} data\n * @param {module:engine/view/documentselection~DocumentSelection} data.oldSelection Old View selection which is\n * {@link module:engine/view/document~Document#selection}.\n * @param {module:engine/view/selection~Selection} data.newSelection New View selection which is converted DOM selection.\n * @param {Selection} data.domSelection Native DOM selection.\n */\n\n/**\n * Fired when selection stops changing.\n *\n * Introduced by {@link module:engine/view/observer/selectionobserver~SelectionObserver}.\n *\n * Note that because {@link module:engine/view/observer/selectionobserver~SelectionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/selectionobserver~SelectionObserver\n * @event module:engine/view/document~Document#event:selectionChangeDone\n * @param {Object} data\n * @param {module:engine/view/documentselection~DocumentSelection} data.oldSelection Old View selection which is\n * {@link module:engine/view/document~Document#selection}.\n * @param {module:engine/view/selection~Selection} data.newSelection New View selection which is converted DOM selection.\n * @param {Selection} data.domSelection Native DOM selection.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/focusobserver\n */\n\n/* globals setTimeout, clearTimeout */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * {@link module:engine/view/document~Document#event:focus Focus}\n * and {@link module:engine/view/document~Document#event:blur blur} events observer.\n * Focus observer handle also {@link module:engine/view/rooteditableelement~RootEditableElement#isFocused isFocused} property of the\n * {@link module:engine/view/rooteditableelement~RootEditableElement root elements}.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class FocusObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'focus', 'blur' ];\n\t\tthis.useCapture = true;\n\t\tconst document = this.document;\n\n\t\tdocument.on( 'focus', () => {\n\t\t\tdocument.isFocused = true;\n\n\t\t\t// Unfortunately native `selectionchange` event is fired asynchronously.\n\t\t\t// We need to wait until `SelectionObserver` handle the event and then render. Otherwise rendering will\n\t\t\t// overwrite new DOM selection with selection from the view.\n\t\t\t// See https://github.com/ckeditor/ckeditor5-engine/issues/795 for more details.\n\t\t\t// Long timeout is needed to solve #676 and https://github.com/ckeditor/ckeditor5-engine/issues/1157 issues.\n\t\t\t//\n\t\t\t// Using `view.change()` instead of `view.forceRender()` to prevent double rendering\n\t\t\t// in a situation where `selectionchange` already caused selection change.\n\t\t\tthis._renderTimeoutId = setTimeout( () => view.change( () => {} ), 50 );\n\t\t} );\n\n\t\tdocument.on( 'blur', ( evt, data ) => {\n\t\t\tconst selectedEditable = document.selection.editableElement;\n\n\t\t\tif ( selectedEditable === null || selectedEditable === data.target ) {\n\t\t\t\tdocument.isFocused = false;\n\n\t\t\t\t// Re-render the document to update view elements\n\t\t\t\t// (changing document.isFocused already marked view as changed since last rendering).\n\t\t\t\tview.change( () => {} );\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * Identifier of the timeout currently used by focus listener to delay rendering execution.\n\t\t *\n\t\t * @private\n\t\t * @member {Number} #_renderTimeoutId\n\t\t */\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tif ( this._renderTimeoutId ) {\n\t\t\tclearTimeout( this._renderTimeoutId );\n\t\t}\n\n\t\tsuper.destroy();\n\t}\n}\n\n/**\n * Fired when one of the editables gets focus.\n *\n * Introduced by {@link module:engine/view/observer/focusobserver~FocusObserver}.\n *\n * Note that because {@link module:engine/view/observer/focusobserver~FocusObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/focusobserver~FocusObserver\n * @event module:engine/view/document~Document#event:focus\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when one of the editables loses focus.\n *\n * Introduced by {@link module:engine/view/observer/focusobserver~FocusObserver}.\n *\n * Note that because {@link module:engine/view/observer/focusobserver~FocusObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/focusobserver~FocusObserver\n * @event module:engine/view/document~Document#event:blur\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/compositionobserver\n */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * {@link module:engine/view/document~Document#event:compositionstart Compositionstart},\n * {@link module:engine/view/document~Document#event:compositionupdate compositionupdate} and\n * {@link module:engine/view/document~Document#event:compositionend compositionend} events observer.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class CompositionObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'compositionstart', 'compositionupdate', 'compositionend' ];\n\t\tconst document = this.document;\n\n\t\tdocument.on( 'compositionstart', () => {\n\t\t\tdocument.isComposing = true;\n\t\t} );\n\n\t\tdocument.on( 'compositionend', () => {\n\t\t\tdocument.isComposing = false;\n\t\t} );\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired when composition starts inside one of the editables.\n *\n * Introduced by {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n *\n * Note that because {@link module:engine/view/observer/compositionobserver~CompositionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/compositionobserver~CompositionObserver\n * @event module:engine/view/document~Document#event:compositionstart\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when composition is updated inside one of the editables.\n *\n * Introduced by {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n *\n * Note that because {@link module:engine/view/observer/compositionobserver~CompositionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/compositionobserver~CompositionObserver\n * @event module:engine/view/document~Document#event:compositionupdate\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when composition ends inside one of the editables.\n *\n * Introduced by {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n *\n * Note that because {@link module:engine/view/observer/compositionobserver~CompositionObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/compositionobserver~CompositionObserver\n * @event module:engine/view/document~Document#event:compositionend\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\n/**\n * @module engine/view/observer/inputobserver\n */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * Observer for events connected with data input.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class InputObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'beforeinput' ];\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired before browser inputs (or deletes) some data.\n *\n * This event is available only on browsers which support DOM `beforeinput` event.\n *\n * Introduced by {@link module:engine/view/observer/inputobserver~InputObserver}.\n *\n * Note that because {@link module:engine/view/observer/inputobserver~InputObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @see module:engine/view/observer/inputobserver~InputObserver\n * @event module:engine/view/document~Document#event:beforeinput\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","import baseGetTag from './_baseGetTag.js';\nimport isArray from './isArray.js';\nimport isObjectLike from './isObjectLike.js';\n\n/** `Object#toString` result references. */\nvar stringTag = '[object String]';\n\n/**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\nfunction isString(value) {\n  return typeof value == 'string' ||\n    (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n}\n\nexport default isString;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/createelement\n */\n\nimport isIterable from '../isiterable';\nimport { isString } from 'lodash-es';\n\n/**\n * Creates element with attributes and children.\n *\n *\t\tcreateElement( document, 'p' ); // <p>\n *\t\tcreateElement( document, 'p', { class: 'foo' } ); // <p class=\"foo\">\n *\t\tcreateElement( document, 'p', null, 'foo' ); // <p>foo</p>\n *\t\tcreateElement( document, 'p', null, [ 'foo', createElement( document, 'img' ) ] ); // <p>foo<img></p>\n *\n * @param {Document} doc Document used to create element.\n * @param {String} name Name of the element.\n * @param {Object} [attributes] Object keys will become attributes keys and object values will became attributes values.\n * @param {Node|String|Array.<Node|String>} [children] Child or array of children. Strings will be automatically turned\n * into Text nodes.\n * @returns {Element} Created element.\n */\nexport default function createElement( doc, name, attributes = {}, children = [] ) {\n\tconst namespace = attributes && attributes.xmlns;\n\tconst element = namespace ? doc.createElementNS( namespace, name ) : doc.createElement( name );\n\n\tfor ( const key in attributes ) {\n\t\telement.setAttribute( key, attributes[ key ] );\n\t}\n\n\tif ( isString( children ) || !isIterable( children ) ) {\n\t\tchildren = [ children ];\n\t}\n\n\tfor ( let child of children ) {\n\t\tif ( isString( child ) ) {\n\t\t\tchild = doc.createTextNode( child );\n\t\t}\n\n\t\telement.appendChild( child );\n\t}\n\n\treturn element;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/isrange\n */\n\n/**\n * Checks if the object is a native DOM Range.\n *\n * @param {*} obj\n * @returns {Boolean}\n */\nexport default function isRange( obj ) {\n\treturn Object.prototype.toString.apply( obj ) == '[object Range]';\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/getborderwidths\n */\n\n/**\n * Returns an object containing CSS border widths of a specified HTML element.\n *\n * @param {HTMLElement} element An element which has CSS borders.\n * @returns {Object} An object containing `top`, `left`, `right` and `bottom` properties\n * with numerical values of the `border-[top,left,right,bottom]-width` CSS styles.\n */\nexport default function getBorderWidths( element ) {\n\t// Call getComputedStyle on the window the element document belongs to.\n\tconst style = element.ownerDocument.defaultView.getComputedStyle( element );\n\n\treturn {\n\t\ttop: parseInt( style.borderTopWidth, 10 ),\n\t\tright: parseInt( style.borderRightWidth, 10 ),\n\t\tbottom: parseInt( style.borderBottomWidth, 10 ),\n\t\tleft: parseInt( style.borderLeftWidth, 10 )\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/rect\n */\n\nimport isRange from './isrange';\nimport isWindow from './iswindow';\nimport getBorderWidths from './getborderwidths';\nimport isText from './istext';\nimport { isElement } from 'lodash-es';\n\nconst rectProperties = [ 'top', 'right', 'bottom', 'left', 'width', 'height' ];\n\n/**\n * A helper class representing a `ClientRect` object, e.g. value returned by\n * the native `object.getBoundingClientRect()` method. Provides a set of methods\n * to manipulate the rect and compare it against other rect instances.\n */\nexport default class Rect {\n\t/**\n\t * Creates an instance of rect.\n\t *\n\t *\t\t// Rect of an HTMLElement.\n\t *\t\tconst rectA = new Rect( document.body );\n\t *\n\t *\t\t// Rect of a DOM Range.\n\t *\t\tconst rectB = new Rect( document.getSelection().getRangeAt( 0 ) );\n\t *\n\t *\t\t// Rect of a window (web browser viewport).\n\t *\t\tconst rectC = new Rect( window );\n\t *\n\t *\t\t// Rect out of an object.\n\t *\t\tconst rectD = new Rect( { top: 0, right: 10, bottom: 10, left: 0, width: 10, height: 10 } );\n\t *\n\t *\t\t// Rect out of another Rect instance.\n\t *\t\tconst rectE = new Rect( rectD );\n\t *\n\t *\t\t// Rect out of a ClientRect.\n\t *\t\tconst rectF = new Rect( document.body.getClientRects().item( 0 ) );\n\t *\n\t * **Note**: By default a rect of an HTML element includes its CSS borders and scrollbars (if any)\n\t * ant the rect of a `window` includes scrollbars too. Use {@link #excludeScrollbarsAndBorders}\n\t * to get the inner part of the rect.\n\t *\n\t * @param {HTMLElement|Range|Window|ClientRect|DOMRect|module:utils/dom/rect~Rect|Object} source A source object to create the rect.\n\t */\n\tconstructor( source ) {\n\t\tconst isSourceRange = isRange( source );\n\n\t\t/**\n\t\t * The object this rect is for.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @member {HTMLElement|Range|Window|ClientRect|DOMRect|module:utils/dom/rect~Rect|Object} #_source\n\t\t */\n\t\tObject.defineProperty( this, '_source', {\n\t\t\t// If the source is a Rect instance, copy it's #_source.\n\t\t\tvalue: source._source || source,\n\t\t\twritable: true,\n\t\t\tenumerable: false\n\t\t} );\n\n\t\tif ( isElement( source ) || isSourceRange ) {\n\t\t\t// The `Rect` class depends on `getBoundingClientRect` and `getClientRects` DOM methods. If the source\n\t\t\t// of a rect in an HTML element or a DOM range but it does not belong to any rendered DOM tree, these methods\n\t\t\t// will fail to obtain the geometry and the rect instance makes little sense to the features using it.\n\t\t\t// To get rid of this warning make sure the source passed to the constructor is a descendant of `window.document.body`.\n\t\t\t// @if CK_DEBUG // const sourceNode = isSourceRange ? source.startContainer : source;\n\t\t\t// @if CK_DEBUG // if ( !sourceNode.ownerDocument || !sourceNode.ownerDocument.body.contains( sourceNode ) ) {\n\t\t\t// @if CK_DEBUG // \tconsole.warn(\n\t\t\t// @if CK_DEBUG // \t\t'rect-source-not-in-dom: The source of this rect does not belong to any rendered DOM tree.',\n\t\t\t// @if CK_DEBUG // \t\t{ source } );\n\t\t\t// @if CK_DEBUG // }\n\n\t\t\tif ( isSourceRange ) {\n\t\t\t\tconst rangeRects = Rect.getDomRangeRects( source );\n\t\t\t\tcopyRectProperties( this, Rect.getBoundingRect( rangeRects ) );\n\t\t\t} else {\n\t\t\t\tcopyRectProperties( this, source.getBoundingClientRect() );\n\t\t\t}\n\t\t} else if ( isWindow( source ) ) {\n\t\t\tconst { innerWidth, innerHeight } = source;\n\n\t\t\tcopyRectProperties( this, {\n\t\t\t\ttop: 0,\n\t\t\t\tright: innerWidth,\n\t\t\t\tbottom: innerHeight,\n\t\t\t\tleft: 0,\n\t\t\t\twidth: innerWidth,\n\t\t\t\theight: innerHeight\n\t\t\t} );\n\t\t} else {\n\t\t\tcopyRectProperties( this, source );\n\t\t}\n\n\t\t/**\n\t\t * The \"top\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #top\n\t\t */\n\n\t\t/**\n\t\t * The \"right\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #right\n\t\t */\n\n\t\t/**\n\t\t * The \"bottom\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #bottom\n\t\t */\n\n\t\t/**\n\t\t * The \"left\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #left\n\t\t */\n\n\t\t/**\n\t\t * The \"width\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #width\n\t\t */\n\n\t\t/**\n\t\t * The \"height\" value of the rect.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #height\n\t\t */\n\t}\n\n\t/**\n\t * Returns a clone of the rect.\n\t *\n\t * @returns {module:utils/dom/rect~Rect} A cloned rect.\n\t */\n\tclone() {\n\t\treturn new Rect( this );\n\t}\n\n\t/**\n\t * Moves the rect so that its upper–left corner lands in desired `[ x, y ]` location.\n\t *\n\t * @param {Number} x Desired horizontal location.\n\t * @param {Number} y Desired vertical location.\n\t * @returns {module:utils/dom/rect~Rect} A rect which has been moved.\n\t */\n\tmoveTo( x, y ) {\n\t\tthis.top = y;\n\t\tthis.right = x + this.width;\n\t\tthis.bottom = y + this.height;\n\t\tthis.left = x;\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Moves the rect in–place by a dedicated offset.\n\t *\n\t * @param {Number} x A horizontal offset.\n\t * @param {Number} y A vertical offset\n\t * @returns {module:utils/dom/rect~Rect} A rect which has been moved.\n\t */\n\tmoveBy( x, y ) {\n\t\tthis.top += y;\n\t\tthis.right += x;\n\t\tthis.left += x;\n\t\tthis.bottom += y;\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Returns a new rect a a result of intersection with another rect.\n\t *\n\t * @param {module:utils/dom/rect~Rect} anotherRect\n\t * @returns {module:utils/dom/rect~Rect}\n\t */\n\tgetIntersection( anotherRect ) {\n\t\tconst rect = {\n\t\t\ttop: Math.max( this.top, anotherRect.top ),\n\t\t\tright: Math.min( this.right, anotherRect.right ),\n\t\t\tbottom: Math.min( this.bottom, anotherRect.bottom ),\n\t\t\tleft: Math.max( this.left, anotherRect.left )\n\t\t};\n\n\t\trect.width = rect.right - rect.left;\n\t\trect.height = rect.bottom - rect.top;\n\n\t\tif ( rect.width < 0 || rect.height < 0 ) {\n\t\t\treturn null;\n\t\t} else {\n\t\t\treturn new Rect( rect );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the area of intersection with another rect.\n\t *\n\t * @param {module:utils/dom/rect~Rect} anotherRect [description]\n\t * @returns {Number} Area of intersection.\n\t */\n\tgetIntersectionArea( anotherRect ) {\n\t\tconst rect = this.getIntersection( anotherRect );\n\n\t\tif ( rect ) {\n\t\t\treturn rect.getArea();\n\t\t} else {\n\t\t\treturn 0;\n\t\t}\n\t}\n\n\t/**\n\t * Returns the area of the rect.\n\t *\n\t * @returns {Number}\n\t */\n\tgetArea() {\n\t\treturn this.width * this.height;\n\t}\n\n\t/**\n\t * Returns a new rect, a part of the original rect, which is actually visible to the user,\n\t * e.g. an original rect cropped by parent element rects which have `overflow` set in CSS\n\t * other than `\"visible\"`.\n\t *\n\t * If there's no such visible rect, which is when the rect is limited by one or many of\n\t * the ancestors, `null` is returned.\n\t *\n\t * @returns {module:utils/dom/rect~Rect|null} A visible rect instance or `null`, if there's none.\n\t */\n\tgetVisible() {\n\t\tconst source = this._source;\n\t\tlet visibleRect = this.clone();\n\n\t\t// There's no ancestor to crop <body> with the overflow.\n\t\tif ( !isBody( source ) ) {\n\t\t\tlet parent = source.parentNode || source.commonAncestorContainer;\n\n\t\t\t// Check the ancestors all the way up to the <body>.\n\t\t\twhile ( parent && !isBody( parent ) ) {\n\t\t\t\tconst parentRect = new Rect( parent );\n\t\t\t\tconst intersectionRect = visibleRect.getIntersection( parentRect );\n\n\t\t\t\tif ( intersectionRect ) {\n\t\t\t\t\tif ( intersectionRect.getArea() < visibleRect.getArea() ) {\n\t\t\t\t\t\t// Reduce the visible rect to the intersection.\n\t\t\t\t\t\tvisibleRect = intersectionRect;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t// There's no intersection, the rect is completely invisible.\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tparent = parent.parentNode;\n\t\t\t}\n\t\t}\n\n\t\treturn visibleRect;\n\t}\n\n\t/**\n\t * Checks if all property values ({@link #top}, {@link #left}, {@link #right},\n\t * {@link #bottom}, {@link #width} and {@link #height}) are the equal in both rect\n\t * instances.\n\t *\n\t * @param {module:utils/dom/rect~Rect} rect A rect instance to compare with.\n\t * @returns {Boolean} `true` when Rects are equal. `false` otherwise.\n\t */\n\tisEqual( anotherRect ) {\n\t\tfor ( const prop of rectProperties ) {\n\t\t\tif ( this[ prop ] !== anotherRect[ prop ] ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Checks whether a rect fully contains another rect instance.\n\t *\n\t * @param {module:utils/dom/rect~Rect} anotherRect\n\t * @returns {Boolean} `true` if contains, `false` otherwise.\n\t */\n\tcontains( anotherRect ) {\n\t\tconst intersectRect = this.getIntersection( anotherRect );\n\n\t\treturn !!( intersectRect && intersectRect.isEqual( anotherRect ) );\n\t}\n\n\t/**\n\t * Excludes scrollbars and CSS borders from the rect.\n\t *\n\t * * Borders are removed when {@link #_source} is an HTML element.\n\t * * Scrollbars are excluded from HTML elements and the `window`.\n\t *\n\t * @returns {module:utils/dom/rect~Rect} A rect which has been updated.\n\t */\n\texcludeScrollbarsAndBorders() {\n\t\tconst source = this._source;\n\t\tlet scrollBarWidth, scrollBarHeight, direction;\n\n\t\tif ( isWindow( source ) ) {\n\t\t\tscrollBarWidth = source.innerWidth - source.document.documentElement.clientWidth;\n\t\t\tscrollBarHeight = source.innerHeight - source.document.documentElement.clientHeight;\n\t\t\tdirection = source.getComputedStyle( source.document.documentElement ).direction;\n\t\t} else {\n\t\t\tconst borderWidths = getBorderWidths( this._source );\n\n\t\t\tscrollBarWidth = source.offsetWidth - source.clientWidth - borderWidths.left - borderWidths.right;\n\t\t\tscrollBarHeight = source.offsetHeight - source.clientHeight - borderWidths.top - borderWidths.bottom;\n\t\t\tdirection = source.ownerDocument.defaultView.getComputedStyle( source ).direction;\n\n\t\t\tthis.left += borderWidths.left;\n\t\t\tthis.top += borderWidths.top;\n\t\t\tthis.right -= borderWidths.right;\n\t\t\tthis.bottom -= borderWidths.bottom;\n\t\t\tthis.width = this.right - this.left;\n\t\t\tthis.height = this.bottom - this.top;\n\t\t}\n\n\t\tthis.width -= scrollBarWidth;\n\n\t\tif ( direction === 'ltr' ) {\n\t\t\tthis.right -= scrollBarWidth;\n\t\t} else {\n\t\t\tthis.left += scrollBarWidth;\n\t\t}\n\n\t\tthis.height -= scrollBarHeight;\n\t\tthis.bottom -= scrollBarHeight;\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Returns an array of rects of the given native DOM Range.\n\t *\n\t * @param {Range} range A native DOM range.\n\t * @returns {Array.<module:utils/dom/rect~Rect>} DOM Range rects.\n\t */\n\tstatic getDomRangeRects( range ) {\n\t\tconst rects = [];\n\t\t// Safari does not iterate over ClientRectList using for...of loop.\n\t\tconst clientRects = Array.from( range.getClientRects() );\n\n\t\tif ( clientRects.length ) {\n\t\t\tfor ( const rect of clientRects ) {\n\t\t\t\trects.push( new Rect( rect ) );\n\t\t\t}\n\t\t}\n\t\t// If there's no client rects for the Range, use parent container's bounding rect\n\t\t// instead and adjust rect's width to simulate the actual geometry of such range.\n\t\t// https://github.com/ckeditor/ckeditor5-utils/issues/153\n\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/317\n\t\telse {\n\t\t\tlet startContainer = range.startContainer;\n\n\t\t\tif ( isText( startContainer ) ) {\n\t\t\t\tstartContainer = startContainer.parentNode;\n\t\t\t}\n\n\t\t\tconst rect = new Rect( startContainer.getBoundingClientRect() );\n\t\t\trect.right = rect.left;\n\t\t\trect.width = 0;\n\n\t\t\trects.push( rect );\n\t\t}\n\n\t\treturn rects;\n\t}\n\n\t/**\n\t * Returns a bounding rectangle that contains all the given `rects`.\n\t *\n\t * @param {Iterable.<module:utils/dom/rect~Rect>} rects A list of rectangles that should be contained in the result rectangle.\n\t * @returns {module:utils/dom/rect~Rect|null} Bounding rectangle or `null` if no `rects` were given.\n\t */\n\tstatic getBoundingRect( rects ) {\n\t\tconst boundingRectData = {\n\t\t\tleft: Number.POSITIVE_INFINITY,\n\t\t\ttop: Number.POSITIVE_INFINITY,\n\t\t\tright: Number.NEGATIVE_INFINITY,\n\t\t\tbottom: Number.NEGATIVE_INFINITY\n\t\t};\n\t\tlet rectangleCount = 0;\n\n\t\tfor ( const rect of rects ) {\n\t\t\trectangleCount++;\n\n\t\t\tboundingRectData.left = Math.min( boundingRectData.left, rect.left );\n\t\t\tboundingRectData.top = Math.min( boundingRectData.top, rect.top );\n\t\t\tboundingRectData.right = Math.max( boundingRectData.right, rect.right );\n\t\t\tboundingRectData.bottom = Math.max( boundingRectData.bottom, rect.bottom );\n\t\t}\n\n\t\tif ( rectangleCount == 0 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tboundingRectData.width = boundingRectData.right - boundingRectData.left;\n\t\tboundingRectData.height = boundingRectData.bottom - boundingRectData.top;\n\n\t\treturn new Rect( boundingRectData );\n\t}\n}\n\n// Acquires all the rect properties from the passed source.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} rect\n// @param {ClientRect|module:utils/dom/rect~Rect|Object} source\nfunction copyRectProperties( rect, source ) {\n\tfor ( const p of rectProperties ) {\n\t\trect[ p ] = source[ p ];\n\t}\n}\n\n// Checks if provided object is a <body> HTML element.\n//\n// @private\n// @param {HTMLElement|Range} elementOrRange\n// @returns {Boolean}\nfunction isBody( elementOrRange ) {\n\tif ( !isElement( elementOrRange ) ) {\n\t\treturn false;\n\t}\n\n\treturn elementOrRange === elementOrRange.ownerDocument.body;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/resizeobserver\n */\n\n/* globals setTimeout, clearTimeout */\n\nimport mix from '../mix';\nimport global from './global';\nimport Rect from './rect';\nimport DomEmitterMixin from './emittermixin';\n\nconst RESIZE_CHECK_INTERVAL = 100;\n\n/**\n * A helper class which instances allow performing custom actions when native DOM elements are resized.\n *\n *\t\tconst editableElement = editor.editing.view.getDomRoot();\n *\n *\t\tconst observer = new ResizeObserver( editableElement, entry => {\n *\t\t\tconsole.log( 'The editable element has been resized in DOM.' );\n *\t\t\tconsole.log( entry.target ); // -> editableElement\n *\t\t\tconsole.log( entry.contentRect.width ); // -> e.g. '423px'\n *\t\t} );\n *\n * By default, it uses the [native DOM resize observer](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver)\n * under the hood and in browsers that do not support the native API yet, a polyfilled observer is\n * used instead.\n */\nexport default class ResizeObserver {\n\t/**\n\t * Creates an instance of the `ResizeObserver` class.\n\t *\n\t * @param {HTMLElement} element A DOM element that is to be observed for resizing. Note that\n\t * the element must be visible (i.e. not detached from DOM) for the observer to work.\n\t * @param {Function} callback A function called when the observed element was resized. It passes\n\t * the [`ResizeObserverEntry`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserverEntry)\n\t * object with information about the resize event.\n\t */\n\tconstructor( element, callback ) {\n\t\t// **Note**: For the maximum performance, this class ensures only a single instance of the native\n\t\t// (or polyfilled) observer is used no matter how many instances of this class were created.\n\t\tif ( !ResizeObserver._observerInstance ) {\n\t\t\tResizeObserver._createObserver();\n\t\t}\n\n\t\t/**\n\t\t * The element observer by this observer.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {HTMLElement}\n\t\t */\n\t\tthis._element = element;\n\n\t\t/**\n\t\t * The callback executed each time {@link #_element} is resized.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {Function}\n\t\t */\n\t\tthis._callback = callback;\n\n\t\tResizeObserver._addElementCallback( element, callback );\n\t\tResizeObserver._observerInstance.observe( element );\n\t}\n\n\t/**\n\t * Destroys the observer which disables the `callback` passed to the {@link #constructor}.\n\t */\n\tdestroy() {\n\t\tResizeObserver._deleteElementCallback( this._element, this._callback );\n\t}\n\n\t/**\n\t * Registers a new resize callback for the DOM element.\n\t *\n\t * @private\n\t * @static\n\t * @param {HTMLElement} element\n\t * @param {Function} callback\n\t */\n\tstatic _addElementCallback( element, callback ) {\n\t\tif ( !ResizeObserver._elementCallbacks ) {\n\t\t\tResizeObserver._elementCallbacks = new Map();\n\t\t}\n\n\t\tlet callbacks = ResizeObserver._elementCallbacks.get( element );\n\n\t\tif ( !callbacks ) {\n\t\t\tcallbacks = new Set();\n\t\t\tResizeObserver._elementCallbacks.set( element, callbacks );\n\t\t}\n\n\t\tcallbacks.add( callback );\n\t}\n\n\t/**\n\t * Removes a resize callback from the DOM element. If no callbacks are left\n\t * for the element, it removes the element from the native observer.\n\t *\n\t * @private\n\t * @static\n\t * @param {HTMLElement} element\n\t * @param {Function} callback\n\t */\n\tstatic _deleteElementCallback( element, callback ) {\n\t\tconst callbacks = ResizeObserver._getElementCallbacks( element );\n\n\t\t// Remove the element callback. Check if exist first in case someone\n\t\t// called destroy() twice.\n\t\tif ( callbacks ) {\n\t\t\tcallbacks.delete( callback );\n\n\t\t\t// If no callbacks left for the element, also remove the element.\n\t\t\tif ( !callbacks.size ) {\n\t\t\t\tResizeObserver._elementCallbacks.delete( element );\n\t\t\t\tResizeObserver._observerInstance.unobserve( element );\n\t\t\t}\n\t\t}\n\n\t\tif ( ResizeObserver._elementCallbacks && !ResizeObserver._elementCallbacks.size ) {\n\t\t\tResizeObserver._observerInstance = null;\n\t\t\tResizeObserver._elementCallbacks = null;\n\t\t}\n\t}\n\n\t/**\n\t * Returns are registered resize callbacks for the DOM element.\n\t *\n\t * @private\n\t * @static\n\t * @param {HTMLElement} element\n\t * @returns {Set.<HTMLElement>|null}\n\t */\n\tstatic _getElementCallbacks( element ) {\n\t\tif ( !ResizeObserver._elementCallbacks ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn ResizeObserver._elementCallbacks.get( element );\n\t}\n\n\t/**\n\t * Creates the single native observer shared across all `ResizeObserver` instances.\n\t * If the browser does not support the native API, it creates a polyfill.\n\t *\n\t * @private\n\t * @static\n\t */\n\tstatic _createObserver() {\n\t\tlet ObserverConstructor;\n\n\t\t// TODO: One day, the `ResizeObserver` API will be supported in all modern web browsers.\n\t\t// When it happens, this module will no longer make sense and should be removed and\n\t\t// the native implementation should be used across the project to save bytes.\n\t\t// Check out https://caniuse.com/#feat=resizeobserver.\n\t\tif ( typeof global.window.ResizeObserver === 'function' ) {\n\t\t\tObserverConstructor = global.window.ResizeObserver;\n\t\t} else {\n\t\t\tObserverConstructor = ResizeObserverPolyfill;\n\t\t}\n\n\t\tResizeObserver._observerInstance = new ObserverConstructor( entries => {\n\t\t\tfor ( const entry of entries ) {\n\t\t\t\tconst callbacks = ResizeObserver._getElementCallbacks( entry.target );\n\n\t\t\t\tif ( callbacks ) {\n\t\t\t\t\tfor ( const callback of callbacks ) {\n\t\t\t\t\t\tcallback( entry );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n\n/**\n * The single native observer instance (or polyfill in browsers that do not support the API)\n * shared across all {@link module:utils/dom/resizeobserver~ResizeObserver} instances.\n *\n * @static\n * @protected\n * @readonly\n * @property {Object|null} module:utils/dom/resizeobserver~ResizeObserver#_observerInstance\n */\nResizeObserver._observerInstance = null;\n\n/**\n * A mapping of native DOM elements and their callbacks shared across all\n * {@link module:utils/dom/resizeobserver~ResizeObserver} instances.\n *\n * @static\n * @private\n * @readonly\n * @property {Map.<HTMLElement,Set>|null} module:utils/dom/resizeobserver~ResizeObserver#_elementCallbacks\n */\nResizeObserver._elementCallbacks = null;\n\n/**\n * A polyfill class for the native [`ResizeObserver`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver).\n *\n * @private\n * @mixes module:utils/domemittermixin~DomEmitterMixin\n */\nclass ResizeObserverPolyfill {\n\t/**\n\t * Creates an instance of the {@link module:utils/dom/resizeobserver~ResizeObserverPolyfill} class.\n\t *\n\t * It synchronously reacts to resize of the window to check if observed elements' geometry changed.\n\t *\n\t * Additionally, the polyfilled observer uses a timeout to check if observed elements' geometry has changed\n\t * in some other way (dynamic layouts, scrollbars showing up, etc.), so its response can also be asynchronous.\n\t *\n\t * @param {Function} callback A function called when any observed element was resized. Refer to the\n\t * native [`ResizeObserver`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver) API to\n\t * learn more.\n\t */\n\tconstructor( callback ) {\n\t\t/**\n\t\t * A function called when any observed {@link #_elements element} was resized.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Function}\n\t\t */\n\t\tthis._callback = callback;\n\n\t\t/**\n\t\t * DOM elements currently observed by the observer instance.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Set}\n\t\t */\n\t\tthis._elements = new Set();\n\n\t\t/**\n\t\t * Cached DOM {@link #_elements elements} bounding rects to compare to upon the next check.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Map.<HTMLElement,module:utils/dom/rect~Rect>}\n\t\t */\n\t\tthis._previousRects = new Map();\n\n\t\t/**\n\t\t * An UID of the current timeout upon which the observed elements rects\n\t\t * will be compared to the {@link #_previousRects previous rects} from the past.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Map.<HTMLElement,module:utils/dom/rect~Rect>}\n\t\t */\n\t\tthis._periodicCheckTimeout = null;\n\t}\n\n\t/**\n\t * Starts observing a DOM element.\n\t *\n\t * Learn more in the\n\t * [native method documentation](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/observe).\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tobserve( element ) {\n\t\tthis._elements.add( element );\n\n\t\tthis._checkElementRectsAndExecuteCallback();\n\n\t\tif ( this._elements.size === 1 ) {\n\t\t\tthis._startPeriodicCheck();\n\t\t}\n\t}\n\n\t/**\n\t * Stops observing a DOM element.\n\t *\n\t * Learn more in the\n\t * [native method documentation](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/unobserve).\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tunobserve( element ) {\n\t\tthis._elements.delete( element );\n\t\tthis._previousRects.delete( element );\n\n\t\tif ( !this._elements.size ) {\n\t\t\tthis._stopPeriodicCheck();\n\t\t}\n\t}\n\n\t/**\n\t * When called, the observer calls the {@link #_callback resize callback} for all observed\n\t * {@link #_elements elements} but also starts checking periodically for changes in the elements' geometry.\n\t * If some are detected, {@link #_callback resize callback} is called for relevant elements that were resized.\n\t *\n\t * @protected\n\t */\n\t_startPeriodicCheck() {\n\t\tconst periodicCheck = () => {\n\t\t\tthis._checkElementRectsAndExecuteCallback();\n\t\t\tthis._periodicCheckTimeout = setTimeout( periodicCheck, RESIZE_CHECK_INTERVAL );\n\t\t};\n\n\t\tthis.listenTo( global.window, 'resize', () => {\n\t\t\tthis._checkElementRectsAndExecuteCallback();\n\t\t} );\n\n\t\tthis._periodicCheckTimeout = setTimeout( periodicCheck, RESIZE_CHECK_INTERVAL );\n\t}\n\n\t/**\n\t * Stops checking for changes in all observed {@link #_elements elements} geometry.\n\t *\n\t * @protected\n\t */\n\t_stopPeriodicCheck() {\n\t\tclearTimeout( this._periodicCheckTimeout );\n\t\tthis.stopListening();\n\t\tthis._previousRects.clear();\n\t}\n\n\t/**\n\t * Checks if the geometry of any of the {@link #_elements element} has changed. If so, executes\n\t * the {@link #_callback resize callback} with element geometry data.\n\t *\n\t * @protected\n\t */\n\t_checkElementRectsAndExecuteCallback() {\n\t\tconst entries = [];\n\n\t\tfor ( const element of this._elements ) {\n\t\t\tif ( this._hasRectChanged( element ) ) {\n\t\t\t\tentries.push( {\n\t\t\t\t\ttarget: element,\n\t\t\t\t\tcontentRect: this._previousRects.get( element )\n\t\t\t\t} );\n\t\t\t}\n\t\t}\n\n\t\tif ( entries.length ) {\n\t\t\tthis._callback( entries );\n\t\t}\n\t}\n\n\t/**\n\t * Compares the DOM element geometry to the {@link #_previousRects cached geometry} from the past.\n\t * Returns `true` if geometry has changed or the element is checked for the first time.\n\t *\n\t * @protected\n\t * @param {HTMLElement} element\n\t * @returns {Boolean}\n\t */\n\t_hasRectChanged( element ) {\n\t\tif ( !element.ownerDocument.body.contains( element ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst currentRect = new Rect( element );\n\t\tconst previousRect = this._previousRects.get( element );\n\n\t\t// The first check should always yield true despite no Previous rect to compare to.\n\t\t// The native ResizeObserver does that and... that makes sense. Sort of.\n\t\tconst hasChanged = !previousRect || !previousRect.isEqual( currentRect );\n\n\t\tthis._previousRects.set( element, currentRect );\n\n\t\treturn hasChanged;\n\t}\n}\n\nmix( ResizeObserverPolyfill, DomEmitterMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/setdatainelement\n */\n\n/* globals HTMLTextAreaElement */\n\n/**\n * Sets data in a given element.\n *\n * @param {HTMLElement} el The element in which the data will be set.\n * @param {String} data The data string.\n */\nexport default function setDataInElement( el, data ) {\n\tif ( el instanceof HTMLTextAreaElement ) {\n\t\tel.value = data;\n\t}\n\n\tel.innerHTML = data;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/first\n */\n\n/**\n * Returns first item of the given `iterable`.\n *\n * @param {Iterable.<*>} iterable\n * @returns {*}\n */\nexport default function first( iterable ) {\n\tconst iteratorItem = iterable.next();\n\n\tif ( iteratorItem.done ) {\n\t\treturn null;\n\t}\n\n\treturn iteratorItem.value;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* global setTimeout, clearTimeout */\n\n/**\n * @module utils/focustracker\n */\n\nimport DomEmitterMixin from './dom/emittermixin';\nimport ObservableMixin from './observablemixin';\nimport CKEditorError from './ckeditorerror';\nimport mix from './mix';\n\n/**\n * Allows observing a group of `HTMLElement`s whether at least one of them is focused.\n *\n * Used by the {@link module:core/editor/editor~Editor} in order to track whether the focus is still within the application,\n * or were used outside of its UI.\n *\n * **Note** `focus` and `blur` listeners use event capturing, so it is only needed to register wrapper `HTMLElement`\n * which contain other `focusable` elements. But note that this wrapper element has to be focusable too\n * (have e.g. `tabindex=\"-1\"`).\n *\n * Check out the {@glink framework/guides/deep-dive/ui/focus-tracking \"Deep dive into focus tracking\" guide} to learn more.\n *\n * @mixes module:utils/dom/emittermixin~EmitterMixin\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class FocusTracker {\n\tconstructor() {\n\t\t/**\n\t\t * True when one of the registered elements is focused.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * The currently focused element.\n\t\t *\n\t\t * While {@link #isFocused `isFocused`} remains `true`, the focus can\n\t\t * move between different UI elements. This property tracks those\n\t\t * elements and tells which one is currently focused.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {HTMLElement|null} #focusedElement\n\t\t */\n\t\tthis.set( 'focusedElement', null );\n\n\t\t/**\n\t\t * List of registered elements.\n\t\t *\n\t\t * @private\n\t\t * @member {Set.<HTMLElement>}\n\t\t */\n\t\tthis._elements = new Set();\n\n\t\t/**\n\t\t * Event loop timeout.\n\t\t *\n\t\t * @private\n\t\t * @member {Number}\n\t\t */\n\t\tthis._nextEventLoopTimeout = null;\n\t}\n\n\t/**\n\t * Starts tracking the specified element.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tadd( element ) {\n\t\tif ( this._elements.has( element ) ) {\n\t\t\t/**\n\t\t\t * This element is already tracked by {@link module:utils/focustracker~FocusTracker}.\n\t\t\t *\n\t\t\t * @error focustracker-add-element-already-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'focustracker-add-element-already-exist', this );\n\t\t}\n\n\t\tthis.listenTo( element, 'focus', () => this._focus( element ), { useCapture: true } );\n\t\tthis.listenTo( element, 'blur', () => this._blur(), { useCapture: true } );\n\t\tthis._elements.add( element );\n\t}\n\n\t/**\n\t * Stops tracking the specified element and stops listening on this element.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tremove( element ) {\n\t\tif ( element === this.focusedElement ) {\n\t\t\tthis._blur( element );\n\t\t}\n\n\t\tif ( this._elements.has( element ) ) {\n\t\t\tthis.stopListening( element );\n\t\t\tthis._elements.delete( element );\n\t\t}\n\t}\n\n\t/**\n\t * Destroys the focus tracker by:\n\t * - Disabling all event listeners attached to tracked elements.\n\t * - Removing all tracked elements that were previously added.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Stores currently focused element and set {#isFocused} as `true`.\n\t *\n\t * @private\n\t * @param {HTMLElement} element Element which has been focused.\n\t */\n\t_focus( element ) {\n\t\tclearTimeout( this._nextEventLoopTimeout );\n\n\t\tthis.focusedElement = element;\n\t\tthis.isFocused = true;\n\t}\n\n\t/**\n\t * Clears currently focused element and set {@link #isFocused} as `false`.\n\t * This method uses `setTimeout` to change order of fires `blur` and `focus` events.\n\t *\n\t * @private\n\t * @fires blur\n\t */\n\t_blur() {\n\t\tclearTimeout( this._nextEventLoopTimeout );\n\n\t\tthis._nextEventLoopTimeout = setTimeout( () => {\n\t\t\tthis.focusedElement = null;\n\t\t\tthis.isFocused = false;\n\t\t}, 0 );\n\t}\n\n\t/**\n\t * @event focus\n\t */\n\n\t/**\n\t * @event blur\n\t */\n}\n\nmix( FocusTracker, DomEmitterMixin );\nmix( FocusTracker, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/keystrokehandler\n */\n\nimport DomEmitterMixin from './dom/emittermixin';\nimport { getCode, parseKeystroke } from './keyboard';\n\n/**\n * Keystroke handler allows registering callbacks for given keystrokes.\n *\n * The most frequent use of this class is through the {@link module:core/editor/editor~Editor#keystrokes `editor.keystrokes`}\n * property. It allows listening to keystrokes executed in the editing view:\n *\n *\t\teditor.keystrokes.set( 'Ctrl+A', ( keyEvtData, cancel ) => {\n *\t\t\tconsole.log( 'Ctrl+A has been pressed' );\n *\t\t\tcancel();\n *\t\t} );\n *\n * However, this utility class can be used in various part of the UI. For instance, a certain {@link module:ui/view~View}\n * can use it like this:\n *\n *\t\tclass MyView extends View {\n *\t\t\tconstructor() {\n *\t\t\t\tthis.keystrokes = new KeystrokeHandler();\n *\n * \t\t\t\tthis.keystrokes.set( 'tab', handleTabKey );\n *\t\t\t}\n *\n *\t\t\trender() {\n *\t\t\t\tsuper.render();\n *\n *\t\t\t\tthis.keystrokes.listenTo( this.element );\n *\t\t\t}\n *\t\t}\n *\n * That keystroke handler will listen to `keydown` events fired in this view's main element.\n *\n */\nexport default class KeystrokeHandler {\n\t/**\n\t * Creates an instance of the keystroke handler.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Listener used to listen to events for easier keystroke handler destruction.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:utils/dom/emittermixin~Emitter}\n\t\t */\n\t\tthis._listener = Object.create( DomEmitterMixin );\n\t}\n\n\t/**\n\t * Starts listening for `keydown` events from a given emitter.\n\t *\n\t * @param {module:utils/emittermixin~Emitter} emitter\n\t */\n\tlistenTo( emitter ) {\n\t\t// The #_listener works here as a kind of dispatcher. It groups the events coming from the same\n\t\t// keystroke so the listeners can be attached to them with different priorities.\n\t\t//\n\t\t// E.g. all the keystrokes with the `keyCode` of 42 coming from the `emitter` are propagated\n\t\t// as a `_keydown:42` event by the `_listener`. If there's a callback created by the `set`\n\t\t// method for this 42 keystroke, it listens to the `_listener#_keydown:42` event only and interacts\n\t\t// only with other listeners of this particular event, thus making it possible to prioritize\n\t\t// the listeners and safely cancel execution, when needed. Instead of duplicating the Emitter logic,\n\t\t// the KeystrokeHandler re–uses it to do its job.\n\t\tthis._listener.listenTo( emitter, 'keydown', ( evt, keyEvtData ) => {\n\t\t\tthis._listener.fire( '_keydown:' + getCode( keyEvtData ), keyEvtData );\n\t\t} );\n\t}\n\n\t/**\n\t * Registers a handler for the specified keystroke.\n\t *\n\t * @param {String|Array.<String|Number>} keystroke Keystroke defined in a format accepted by\n\t * the {@link module:utils/keyboard~parseKeystroke} function.\n\t * @param {Function} callback A function called with the\n\t * {@link module:engine/view/observer/keyobserver~KeyEventData key event data} object and\n\t * a helper funcion to call both `preventDefault()` and `stopPropagation()` on the underlying event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of the keystroke\n\t * callback. The higher the priority value the sooner the callback will be executed. Keystrokes having the same priority\n\t * are called in the order they were added.\n\t */\n\tset( keystroke, callback, options = {} ) {\n\t\tconst keyCode = parseKeystroke( keystroke );\n\t\tconst priority = options.priority;\n\n\t\t// Execute the passed callback on KeystrokeHandler#_keydown.\n\t\t// TODO: https://github.com/ckeditor/ckeditor5-utils/issues/144\n\t\tthis._listener.listenTo( this._listener, '_keydown:' + keyCode, ( evt, keyEvtData ) => {\n\t\t\tcallback( keyEvtData, () => {\n\t\t\t\t// Stop the event in the DOM: no listener in the web page\n\t\t\t\t// will be triggered by this event.\n\t\t\t\tkeyEvtData.preventDefault();\n\t\t\t\tkeyEvtData.stopPropagation();\n\n\t\t\t\t// Stop the event in the KeystrokeHandler: no more callbacks\n\t\t\t\t// will be executed for this keystroke.\n\t\t\t\tevt.stop();\n\t\t\t} );\n\n\t\t\t// Mark this keystroke as handled by the callback. See: #press.\n\t\t\tevt.return = true;\n\t\t}, { priority } );\n\t}\n\n\t/**\n\t * Triggers a keystroke handler for a specified key combination, if such a keystroke was {@link #set defined}.\n\t *\n\t * @param {module:engine/view/observer/keyobserver~KeyEventData} keyEvtData Key event data.\n\t * @returns {Boolean} Whether the keystroke was handled.\n\t */\n\tpress( keyEvtData ) {\n\t\treturn !!this._listener.fire( '_keydown:' + getCode( keyEvtData ), keyEvtData );\n\t}\n\n\t/**\n\t * Destroys the keystroke handler.\n\t */\n\tdestroy() {\n\t\tthis._listener.stopListening();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/arrowkeysobserver\n */\n\nimport Observer from './observer';\nimport BubblingEventInfo from './bubblingeventinfo';\n\nimport { isArrowKeyCode } from '@ckeditor/ckeditor5-utils';\n\n/**\n * Arrow keys observer introduces the {@link module:engine/view/document~Document#event:arrowKey `Document#arrowKey`} event.\n *\n * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class ArrowKeysObserver extends Observer {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.document.on( 'keydown', ( event, data ) => {\n\t\t\tif ( this.isEnabled && isArrowKeyCode( data.keyCode ) ) {\n\t\t\t\tconst eventInfo = new BubblingEventInfo( this.document, 'arrowKey', this.document.selection.getFirstRange() );\n\n\t\t\t\tthis.document.fire( eventInfo, data );\n\n\t\t\t\tif ( eventInfo.stop.called ) {\n\t\t\t\t\tevent.stop();\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve() {}\n}\n\n/**\n * Event fired when the user presses an arrow keys.\n *\n * Introduced by {@link module:engine/view/observer/arrowkeysobserver~ArrowKeysObserver}.\n *\n * Note that because {@link module:engine/view/observer/arrowkeysobserver~ArrowKeysObserver} is attached by the\n * {@link module:engine/view/view~View} this event is available by default.\n *\n * @event module:engine/view/document~Document#event:arrowKey\n * @param {module:engine/view/observer/domeventdata~DomEventData} data\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/scroll\n */\n\nimport isRange from './isrange';\nimport Rect from './rect';\nimport isText from './istext';\n\nconst utils = {};\n\n/**\n * Makes any page `HTMLElement` or `Range` (`target`) visible inside the browser viewport.\n * This helper will scroll all `target` ancestors and the web browser viewport to reveal the target to\n * the user. If the `target` is already visible, nothing will happen.\n *\n * @param {HTMLElement|Range} options.target A target, which supposed to become visible to the user.\n * @param {Number} [options.viewportOffset] An offset from the edge of the viewport (in pixels)\n * the `target` will be moved by when the viewport is scrolled. It enhances the user experience\n * by keeping the `target` some distance from the edge of the viewport and thus making it easier to\n * read or edit by the user.\n */\nexport function scrollViewportToShowTarget( { target, viewportOffset = 0 } ) {\n\tconst targetWindow = getWindow( target );\n\tlet currentWindow = targetWindow;\n\tlet currentFrame = null;\n\n\t// Iterate over all windows, starting from target's parent window up to window#top.\n\twhile ( currentWindow ) {\n\t\tlet firstAncestorToScroll;\n\n\t\t// Let's scroll target's ancestors first to reveal it. Then, once the ancestor scrolls\n\t\t// settled down, the algorithm can eventually scroll the viewport of the current window.\n\t\t//\n\t\t// Note: If the current window is target's **original** window (e.g. the first one),\n\t\t// start scrolling the closest parent of the target. If not, scroll the closest parent\n\t\t// of an iframe that resides in the current window.\n\t\tif ( currentWindow == targetWindow ) {\n\t\t\tfirstAncestorToScroll = getParentElement( target );\n\t\t} else {\n\t\t\tfirstAncestorToScroll = getParentElement( currentFrame );\n\t\t}\n\n\t\t// Scroll the target's ancestors first. Once done, scrolling the viewport is easy.\n\t\tscrollAncestorsToShowRect( firstAncestorToScroll, () => {\n\t\t\t// Note: If the target does not belong to the current window **directly**,\n\t\t\t// i.e. it resides in an iframe belonging to the window, obtain the target's rect\n\t\t\t// in the coordinates of the current window. By default, a Rect returns geometry\n\t\t\t// relative to the current window's viewport. To make it work in a parent window,\n\t\t\t// it must be shifted.\n\t\t\treturn getRectRelativeToWindow( target, currentWindow );\n\t\t} );\n\n\t\t// Obtain the rect of the target after it has been scrolled within its ancestors.\n\t\t// It's time to scroll the viewport.\n\t\tconst targetRect = getRectRelativeToWindow( target, currentWindow );\n\n\t\tscrollWindowToShowRect( currentWindow, targetRect, viewportOffset );\n\n\t\tif ( currentWindow.parent != currentWindow ) {\n\t\t\t// Keep the reference to the <iframe> element the \"previous current window\" was\n\t\t\t// rendered within. It will be useful to re–calculate the rect of the target\n\t\t\t// in the parent window's relative geometry. The target's rect must be shifted\n\t\t\t// by it's iframe's position.\n\t\t\tcurrentFrame = currentWindow.frameElement;\n\t\t\tcurrentWindow = currentWindow.parent;\n\n\t\t\t// If the current window has some parent but frameElement is inaccessible, then they have\n\t\t\t// different domains/ports and, due to security reasons, accessing and scrolling\n\t\t\t// the parent window won't be possible.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/issues/930.\n\t\t\tif ( !currentFrame ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t} else {\n\t\t\tcurrentWindow = null;\n\t\t}\n\t}\n}\n\n/**\n * Makes any page `HTMLElement` or `Range` (target) visible within its scrollable ancestors,\n * e.g. if they have `overflow: scroll` CSS style.\n *\n * @param {HTMLElement|Range} target A target, which supposed to become visible to the user.\n */\nexport function scrollAncestorsToShowTarget( target ) {\n\tconst targetParent = getParentElement( target );\n\n\tscrollAncestorsToShowRect( targetParent, () => {\n\t\treturn new Rect( target );\n\t} );\n}\n\n// TODO: Using a property value shorthand in the top of the file\n// causes JSDoc to throw errors. See https://github.com/cksource/docs-builder/issues/75.\nObject.assign( utils, {\n\tscrollViewportToShowTarget,\n\tscrollAncestorsToShowTarget\n} );\n\n// Makes a given rect visible within its parent window.\n//\n// Note: Avoid the situation where the caret is still in the viewport, but totally\n// at the edge of it. In such situation, if it moved beyond the viewport in the next\n// action e.g. after paste, the scrolling would move it to the viewportOffset level\n// and it all would look like the caret visually moved up/down:\n//\n// 1.\n//\t\t| foo[]\n//\t\t|                                    <--- N px of space below the caret\n//\t\t+---------------------------------...\n//\n// 2. *paste*\n// 3.\n//\t\t|\n//\t\t|\n//\t\t+-foo-----------------------------...\n//\t\t  bar[]                              <--- caret below viewport, scrolling...\n//\n// 4. *scrolling*\n// 5.\n//\t\t|\n//\t\t| foo\n//\t\t| bar[]                              <--- caret precisely at the edge\n//\t\t+---------------------------------...\n//\n// To prevent this, this method checks the rects moved by the viewportOffset to cover\n// the upper/lower edge of the viewport. It makes sure if the action repeats, there's\n// no twitching – it's a purely visual improvement:\n//\n// 5. (after fix)\n//\t\t|\n//\t\t| foo\n//\t\t| bar[]\n//\t\t|                                    <--- N px of space below the caret\n//\t\t+---------------------------------...\n//\n// @private\n// @param {Window} window A window which is scrolled to reveal the rect.\n// @param {module:utils/dom/rect~Rect} rect A rect which is to be revealed.\n// @param {Number} viewportOffset See scrollViewportToShowTarget.\nfunction scrollWindowToShowRect( window, rect, viewportOffset ) {\n\tconst targetShiftedDownRect = rect.clone().moveBy( 0, viewportOffset );\n\tconst targetShiftedUpRect = rect.clone().moveBy( 0, -viewportOffset );\n\tconst viewportRect = new Rect( window ).excludeScrollbarsAndBorders();\n\n\tconst rects = [ targetShiftedUpRect, targetShiftedDownRect ];\n\n\tif ( !rects.every( rect => viewportRect.contains( rect ) ) ) {\n\t\tlet { scrollX, scrollY } = window;\n\n\t\tif ( isAbove( targetShiftedUpRect, viewportRect ) ) {\n\t\t\tscrollY -= viewportRect.top - rect.top + viewportOffset;\n\t\t} else if ( isBelow( targetShiftedDownRect, viewportRect ) ) {\n\t\t\tscrollY += rect.bottom - viewportRect.bottom + viewportOffset;\n\t\t}\n\n\t\t// TODO: Web browsers scroll natively to place the target in the middle\n\t\t// of the viewport. It's not a very popular case, though.\n\t\tif ( isLeftOf( rect, viewportRect ) ) {\n\t\t\tscrollX -= viewportRect.left - rect.left + viewportOffset;\n\t\t} else if ( isRightOf( rect, viewportRect ) ) {\n\t\t\tscrollX += rect.right - viewportRect.right + viewportOffset;\n\t\t}\n\n\t\twindow.scrollTo( scrollX, scrollY );\n\t}\n}\n\n// Recursively scrolls element ancestors to visually reveal a rect.\n//\n// @private\n// @param {HTMLElement} A parent The first ancestors to start scrolling.\n// @param {Function} getRect A function which returns the Rect, which is to be revealed.\nfunction scrollAncestorsToShowRect( parent, getRect ) {\n\tconst parentWindow = getWindow( parent );\n\tlet parentRect, targetRect;\n\n\twhile ( parent != parentWindow.document.body ) {\n\t\ttargetRect = getRect();\n\t\tparentRect = new Rect( parent ).excludeScrollbarsAndBorders();\n\n\t\tif ( !parentRect.contains( targetRect ) ) {\n\t\t\tif ( isAbove( targetRect, parentRect ) ) {\n\t\t\t\tparent.scrollTop -= parentRect.top - targetRect.top;\n\t\t\t} else if ( isBelow( targetRect, parentRect ) ) {\n\t\t\t\tparent.scrollTop += targetRect.bottom - parentRect.bottom;\n\t\t\t}\n\n\t\t\tif ( isLeftOf( targetRect, parentRect ) ) {\n\t\t\t\tparent.scrollLeft -= parentRect.left - targetRect.left;\n\t\t\t} else if ( isRightOf( targetRect, parentRect ) ) {\n\t\t\t\tparent.scrollLeft += targetRect.right - parentRect.right;\n\t\t\t}\n\t\t}\n\n\t\tparent = parent.parentNode;\n\t}\n}\n\n// Determines if a given `Rect` extends beyond the bottom edge of the second `Rect`.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} firstRect\n// @param {module:utils/dom/rect~Rect} secondRect\nfunction isBelow( firstRect, secondRect ) {\n\treturn firstRect.bottom > secondRect.bottom;\n}\n\n// Determines if a given `Rect` extends beyond the top edge of the second `Rect`.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} firstRect\n// @param {module:utils/dom/rect~Rect} secondRect\nfunction isAbove( firstRect, secondRect ) {\n\treturn firstRect.top < secondRect.top;\n}\n\n// Determines if a given `Rect` extends beyond the left edge of the second `Rect`.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} firstRect\n// @param {module:utils/dom/rect~Rect} secondRect\nfunction isLeftOf( firstRect, secondRect ) {\n\treturn firstRect.left < secondRect.left;\n}\n\n// Determines if a given `Rect` extends beyond the right edge of the second `Rect`.\n//\n// @private\n// @param {module:utils/dom/rect~Rect} firstRect\n// @param {module:utils/dom/rect~Rect} secondRect\nfunction isRightOf( firstRect, secondRect ) {\n\treturn firstRect.right > secondRect.right;\n}\n\n// Returns the closest window of an element or range.\n//\n// @private\n// @param {HTMLElement|Range} firstRect\n// @returns {Window}\nfunction getWindow( elementOrRange ) {\n\tif ( isRange( elementOrRange ) ) {\n\t\treturn elementOrRange.startContainer.ownerDocument.defaultView;\n\t} else {\n\t\treturn elementOrRange.ownerDocument.defaultView;\n\t}\n}\n\n// Returns the closest parent of an element or DOM range.\n//\n// @private\n// @param {HTMLElement|Range} firstRect\n// @returns {HTMLelement}\nfunction getParentElement( elementOrRange ) {\n\tif ( isRange( elementOrRange ) ) {\n\t\tlet parent = elementOrRange.commonAncestorContainer;\n\n\t\t// If a Range is attached to the Text, use the closest element ancestor.\n\t\tif ( isText( parent ) ) {\n\t\t\tparent = parent.parentNode;\n\t\t}\n\n\t\treturn parent;\n\t} else {\n\t\treturn elementOrRange.parentNode;\n\t}\n}\n\n// Returns the rect of an element or range residing in an iframe.\n// The result rect is relative to the geometry of the passed window instance.\n//\n// @private\n// @param {HTMLElement|Range} target Element or range which rect should be returned.\n// @param {Window} relativeWindow A window the rect should be relative to.\n// @returns {module:utils/dom/rect~Rect}\nfunction getRectRelativeToWindow( target, relativeWindow ) {\n\tconst targetWindow = getWindow( target );\n\tconst rect = new Rect( target );\n\n\tif ( targetWindow === relativeWindow ) {\n\t\treturn rect;\n\t} else {\n\t\tlet currentWindow = targetWindow;\n\n\t\twhile ( currentWindow != relativeWindow ) {\n\t\t\tconst frame = currentWindow.frameElement;\n\t\t\tconst frameRect = new Rect( frame ).excludeScrollbarsAndBorders();\n\n\t\t\trect.moveBy( frameRect.left, frameRect.top );\n\n\t\t\tcurrentWindow = currentWindow.parent;\n\t\t}\n\t}\n\n\treturn rect;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/view\n */\n\nimport Document from './document';\nimport DowncastWriter from './downcastwriter';\nimport Renderer from './renderer';\nimport DomConverter from './domconverter';\nimport Position from './position';\nimport Range from './range';\nimport Selection from './selection';\n\nimport MutationObserver from './observer/mutationobserver';\nimport KeyObserver from './observer/keyobserver';\nimport FakeSelectionObserver from './observer/fakeselectionobserver';\nimport SelectionObserver from './observer/selectionobserver';\nimport FocusObserver from './observer/focusobserver';\nimport CompositionObserver from './observer/compositionobserver';\nimport InputObserver from './observer/inputobserver';\nimport ArrowKeysObserver from './observer/arrowkeysobserver';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { scrollViewportToShowTarget } from '@ckeditor/ckeditor5-utils/src/dom/scroll';\nimport { injectUiElementHandling } from './uielement';\nimport { injectQuirksHandling } from './filler';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\n/**\n * Editor's view controller class. Its main responsibility is DOM - View management for editing purposes, to provide\n * abstraction over the DOM structure and events and hide all browsers quirks.\n *\n * View controller renders view document to DOM whenever view structure changes. To determine when view can be rendered,\n * all changes need to be done using the {@link module:engine/view/view~View#change} method, using\n * {@link module:engine/view/downcastwriter~DowncastWriter}:\n *\n *\t\tview.change( writer => {\n *\t\t\twriter.insert( position, writer.createText( 'foo' ) );\n *\t\t} );\n *\n * View controller also register {@link module:engine/view/observer/observer~Observer observers} which observes changes\n * on DOM and fire events on the {@link module:engine/view/document~Document Document}.\n * Note that the following observers are added by the class constructor and are always available:\n *\n * * {@link module:engine/view/observer/mutationobserver~MutationObserver},\n * * {@link module:engine/view/observer/selectionobserver~SelectionObserver},\n * * {@link module:engine/view/observer/focusobserver~FocusObserver},\n * * {@link module:engine/view/observer/keyobserver~KeyObserver},\n * * {@link module:engine/view/observer/fakeselectionobserver~FakeSelectionObserver}.\n * * {@link module:engine/view/observer/compositionobserver~CompositionObserver}.\n *\n * This class also {@link module:engine/view/view~View#attachDomRoot binds the DOM and the view elements}.\n *\n * If you do not need full a DOM - view management, and only want to transform a tree of view elements to a tree of DOM\n * elements you do not need this controller. You can use the {@link module:engine/view/domconverter~DomConverter DomConverter} instead.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class View {\n\t/**\n\t * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor The styles processor instance.\n\t */\n\tconstructor( stylesProcessor ) {\n\t\t/**\n\t\t * Instance of the {@link module:engine/view/document~Document} associated with this view controller.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = new Document( stylesProcessor );\n\n\t\t/**\n\t\t * Instance of the {@link module:engine/view/domconverter~DomConverter domConverter} used by\n\t\t * {@link module:engine/view/view~View#_renderer renderer}\n\t\t * and {@link module:engine/view/observer/observer~Observer observers}.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/view/domconverter~DomConverter}\n\t\t */\n\t\tthis.domConverter = new DomConverter( this.document );\n\n\t\t/**\n\t\t * Roots of the DOM tree. Map on the `HTMLElement`s with roots names as keys.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Map.<String, HTMLElement>}\n\t\t */\n\t\tthis.domRoots = new Map();\n\n\t\t/**\n\t\t * Used to prevent calling {@link #forceRender} and {@link #change} during rendering view to the DOM.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isRenderingInProgress\n\t\t */\n\t\tthis.set( 'isRenderingInProgress', false );\n\n\t\t/**\n\t\t * Informs whether the DOM selection is inside any of the DOM roots managed by the view.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #hasDomSelection\n\t\t */\n\t\tthis.set( 'hasDomSelection', false );\n\n\t\t/**\n\t\t * Instance of the {@link module:engine/view/renderer~Renderer renderer}.\n\t\t *\n\t\t * @protected\n\t\t * @type {module:engine/view/renderer~Renderer}\n\t\t */\n\t\tthis._renderer = new Renderer( this.domConverter, this.document.selection );\n\t\tthis._renderer.bind( 'isFocused', 'isSelecting' ).to( this.document );\n\n\t\t/**\n\t\t * A DOM root attributes cache. It saves the initial values of DOM root attributes before the DOM element\n\t\t * is {@link module:engine/view/view~View#attachDomRoot attached} to the view so later on, when\n\t\t * the view is destroyed ({@link module:engine/view/view~View#detachDomRoot}), they can be easily restored.\n\t\t * This way, the DOM element can go back to the (clean) state as if the editing view never used it.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap.<HTMLElement,Object>}\n\t\t */\n\t\tthis._initialDomRootAttributes = new WeakMap();\n\n\t\t/**\n\t\t * Map of registered {@link module:engine/view/observer/observer~Observer observers}.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<Function, module:engine/view/observer/observer~Observer>}\n\t\t */\n\t\tthis._observers = new Map();\n\n\t\t/**\n\t\t * Is set to `true` when {@link #change view changes} are currently in progress.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._ongoingChange = false;\n\n\t\t/**\n\t\t * Used to prevent calling {@link #forceRender} and {@link #change} during rendering view to the DOM.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._postFixersInProgress = false;\n\n\t\t/**\n\t\t * Internal flag to temporary disable rendering. See the usage in the {@link #_disableRendering}.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._renderingDisabled = false;\n\n\t\t/**\n\t\t * Internal flag that disables rendering when there are no changes since the last rendering.\n\t\t * It stores information about changed selection and changed elements from attached document roots.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._hasChangedSinceTheLastRendering = false;\n\n\t\t/**\n\t\t * DowncastWriter instance used in {@link #change change method} callbacks.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/view/downcastwriter~DowncastWriter}\n\t\t */\n\t\tthis._writer = new DowncastWriter( this.document );\n\n\t\t// Add default observers.\n\t\tthis.addObserver( MutationObserver );\n\t\tthis.addObserver( SelectionObserver );\n\t\tthis.addObserver( FocusObserver );\n\t\tthis.addObserver( KeyObserver );\n\t\tthis.addObserver( FakeSelectionObserver );\n\t\tthis.addObserver( CompositionObserver );\n\t\tthis.addObserver( ArrowKeysObserver );\n\n\t\tif ( env.isAndroid ) {\n\t\t\tthis.addObserver( InputObserver );\n\t\t}\n\n\t\t// Inject quirks handlers.\n\t\tinjectQuirksHandling( this );\n\t\tinjectUiElementHandling( this );\n\n\t\t// Use 'normal' priority so that rendering is performed as first when using that priority.\n\t\tthis.on( 'render', () => {\n\t\t\tthis._render();\n\n\t\t\t// Informs that layout has changed after render.\n\t\t\tthis.document.fire( 'layoutChanged' );\n\n\t\t\t// Reset the `_hasChangedSinceTheLastRendering` flag after rendering.\n\t\t\tthis._hasChangedSinceTheLastRendering = false;\n\t\t} );\n\n\t\t// Listen to the document selection changes directly.\n\t\tthis.listenTo( this.document.selection, 'change', () => {\n\t\t\tthis._hasChangedSinceTheLastRendering = true;\n\t\t} );\n\n\t\t// Trigger re-render if only the focus changed.\n\t\tthis.listenTo( this.document, 'change:isFocused', () => {\n\t\t\tthis._hasChangedSinceTheLastRendering = true;\n\t\t} );\n\t}\n\n\t/**\n\t * Attaches a DOM root element to the view element and enable all observers on that element.\n\t * Also {@link module:engine/view/renderer~Renderer#markToSync mark element} to be synchronized\n\t * with the view what means that all child nodes will be removed and replaced with content of the view root.\n\t *\n\t * This method also will change view element name as the same as tag name of given dom root.\n\t * Name is always transformed to lower case.\n\t *\n\t * **Note:** Use {@link #detachDomRoot `detachDomRoot()`} to revert this action.\n\t *\n\t * @param {Element} domRoot DOM root element.\n\t * @param {String} [name='main'] Name of the root.\n\t */\n\tattachDomRoot( domRoot, name = 'main' ) {\n\t\tconst viewRoot = this.document.getRoot( name );\n\n\t\t// Set view root name the same as DOM root tag name.\n\t\tviewRoot._name = domRoot.tagName.toLowerCase();\n\n\t\tconst initialDomRootAttributes = {};\n\n\t\t// 1. Copy and cache the attributes to remember the state of the element before attaching.\n\t\t//    The cached attributes will be restored in detachDomRoot() so the element goes to the\n\t\t//    clean state as if the editing view never used it.\n\t\t// 2. Apply the attributes using the view writer, so they all go under the control of the engine.\n\t\t//    The editing view takes over the attribute management completely because various\n\t\t//    features (e.g. addPlaceholder()) require dynamic changes of those attributes and they\n\t\t//    cannot be managed by the engine and the UI library at the same time.\n\t\tfor ( const { name, value } of Array.from( domRoot.attributes ) ) {\n\t\t\tinitialDomRootAttributes[ name ] = value;\n\n\t\t\t// Do not use writer.setAttribute() for the class attribute. The EditableUIView class\n\t\t\t// and its descendants could have already set some using the writer.addClass() on the view\n\t\t\t// document root. They haven't been rendered yet so they are not present in the DOM root.\n\t\t\t// Using writer.setAttribute( 'class', ... ) would override them completely.\n\t\t\tif ( name === 'class' ) {\n\t\t\t\tthis._writer.addClass( value.split( ' ' ), viewRoot );\n\t\t\t} else {\n\t\t\t\tthis._writer.setAttribute( name, value, viewRoot );\n\t\t\t}\n\t\t}\n\n\t\tthis._initialDomRootAttributes.set( domRoot, initialDomRootAttributes );\n\n\t\tconst updateContenteditableAttribute = () => {\n\t\t\tthis._writer.setAttribute( 'contenteditable', !viewRoot.isReadOnly, viewRoot );\n\n\t\t\tif ( viewRoot.isReadOnly ) {\n\t\t\t\tthis._writer.addClass( 'ck-read-only', viewRoot );\n\t\t\t} else {\n\t\t\t\tthis._writer.removeClass( 'ck-read-only', viewRoot );\n\t\t\t}\n\t\t};\n\n\t\t// Set initial value.\n\t\tupdateContenteditableAttribute();\n\n\t\tthis.domRoots.set( name, domRoot );\n\t\tthis.domConverter.bindElements( domRoot, viewRoot );\n\t\tthis._renderer.markToSync( 'children', viewRoot );\n\t\tthis._renderer.markToSync( 'attributes', viewRoot );\n\t\tthis._renderer.domDocuments.add( domRoot.ownerDocument );\n\n\t\tviewRoot.on( 'change:children', ( evt, node ) => this._renderer.markToSync( 'children', node ) );\n\t\tviewRoot.on( 'change:attributes', ( evt, node ) => this._renderer.markToSync( 'attributes', node ) );\n\t\tviewRoot.on( 'change:text', ( evt, node ) => this._renderer.markToSync( 'text', node ) );\n\t\tviewRoot.on( 'change:isReadOnly', () => this.change( updateContenteditableAttribute ) );\n\n\t\tviewRoot.on( 'change', () => {\n\t\t\tthis._hasChangedSinceTheLastRendering = true;\n\t\t} );\n\n\t\tfor ( const observer of this._observers.values() ) {\n\t\t\tobserver.observe( domRoot, name );\n\t\t}\n\t}\n\n\t/**\n\t * Detaches a DOM root element from the view element and restores its attributes to the state before\n\t * {@link #attachDomRoot `attachDomRoot()`}.\n\t *\n\t * @param {String} name Name of the root to detach.\n\t */\n\tdetachDomRoot( name ) {\n\t\tconst domRoot = this.domRoots.get( name );\n\n\t\t// Remove all root attributes so the DOM element is \"bare\".\n\t\tArray.from( domRoot.attributes ).forEach( ( { name } ) => domRoot.removeAttribute( name ) );\n\n\t\tconst initialDomRootAttributes = this._initialDomRootAttributes.get( domRoot );\n\n\t\t// Revert all view root attributes back to the state before attachDomRoot was called.\n\t\tfor ( const attribute in initialDomRootAttributes ) {\n\t\t\tdomRoot.setAttribute( attribute, initialDomRootAttributes[ attribute ] );\n\t\t}\n\n\t\tthis.domRoots.delete( name );\n\t\tthis.domConverter.unbindDomElement( domRoot );\n\t}\n\n\t/**\n\t * Gets DOM root element.\n\t *\n\t * @param {String} [name='main']  Name of the root.\n\t * @returns {Element} DOM root element instance.\n\t */\n\tgetDomRoot( name = 'main' ) {\n\t\treturn this.domRoots.get( name );\n\t}\n\n\t/**\n\t * Creates observer of the given type if not yet created, {@link module:engine/view/observer/observer~Observer#enable enables} it\n\t * and {@link module:engine/view/observer/observer~Observer#observe attaches} to all existing and future\n\t * {@link #domRoots DOM roots}.\n\t *\n\t * Note: Observers are recognized by their constructor (classes). A single observer will be instantiated and used only\n\t * when registered for the first time. This means that features and other components can register a single observer\n\t * multiple times without caring whether it has been already added or not.\n\t *\n\t * @param {Function} Observer The constructor of an observer to add.\n\t * Should create an instance inheriting from {@link module:engine/view/observer/observer~Observer}.\n\t * @returns {module:engine/view/observer/observer~Observer} Added observer instance.\n\t */\n\taddObserver( Observer ) {\n\t\tlet observer = this._observers.get( Observer );\n\n\t\tif ( observer ) {\n\t\t\treturn observer;\n\t\t}\n\n\t\tobserver = new Observer( this );\n\n\t\tthis._observers.set( Observer, observer );\n\n\t\tfor ( const [ name, domElement ] of this.domRoots ) {\n\t\t\tobserver.observe( domElement, name );\n\t\t}\n\n\t\tobserver.enable();\n\n\t\treturn observer;\n\t}\n\n\t/**\n\t * Returns observer of the given type or `undefined` if such observer has not been added yet.\n\t *\n\t * @param {Function} Observer The constructor of an observer to get.\n\t * @returns {module:engine/view/observer/observer~Observer|undefined} Observer instance or undefined.\n\t */\n\tgetObserver( Observer ) {\n\t\treturn this._observers.get( Observer );\n\t}\n\n\t/**\n\t * Disables all added observers.\n\t */\n\tdisableObservers() {\n\t\tfor ( const observer of this._observers.values() ) {\n\t\t\tobserver.disable();\n\t\t}\n\t}\n\n\t/**\n\t * Enables all added observers.\n\t */\n\tenableObservers() {\n\t\tfor ( const observer of this._observers.values() ) {\n\t\t\tobserver.enable();\n\t\t}\n\t}\n\n\t/**\n\t * Scrolls the page viewport and {@link #domRoots} with their ancestors to reveal the\n\t * caret, if not already visible to the user.\n\t */\n\tscrollToTheSelection() {\n\t\tconst range = this.document.selection.getFirstRange();\n\n\t\tif ( range ) {\n\t\t\tscrollViewportToShowTarget( {\n\t\t\t\ttarget: this.domConverter.viewRangeToDom( range ),\n\t\t\t\tviewportOffset: 20\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * It will focus DOM element representing {@link module:engine/view/editableelement~EditableElement EditableElement}\n\t * that is currently having selection inside.\n\t */\n\tfocus() {\n\t\tif ( !this.document.isFocused ) {\n\t\t\tconst editable = this.document.selection.editableElement;\n\n\t\t\tif ( editable ) {\n\t\t\t\tthis.domConverter.focus( editable );\n\t\t\t\tthis.forceRender();\n\t\t\t} else {\n\t\t\t\t// Before focusing view document, selection should be placed inside one of the view's editables.\n\t\t\t\t// Normally its selection will be converted from model document (which have default selection), but\n\t\t\t\t// when using view document on its own, we need to manually place selection before focusing it.\n\t\t\t\t//\n\t\t\t\t// @if CK_DEBUG // console.warn( 'There is no selection in any editable to focus.' );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * The `change()` method is the primary way of changing the view. You should use it to modify any node in the view tree.\n\t * It makes sure that after all changes are made the view is rendered to the DOM (assuming that the view will be changed\n\t * inside the callback). It prevents situations when the DOM is updated when the view state is not yet correct. It allows\n\t * to nest calls one inside another and still performs a single rendering after all those changes are made.\n\t * It also returns the return value of its callback.\n\t *\n\t *\t\tconst text = view.change( writer => {\n\t *\t\t\tconst newText = writer.createText( 'foo' );\n\t *\t\t\twriter.insert( position1, newText );\n\t *\n\t *\t\t\tview.change( writer => {\n\t *\t\t\t\twriter.insert( position2, writer.createText( 'bar' ) );\n\t *\t\t\t} );\n\t *\n\t * \t\t\twriter.remove( range );\n\t *\n\t * \t\t\treturn newText;\n\t *\t\t} );\n\t *\n\t * When the outermost change block is done and rendering to the DOM is over the\n\t * {@link module:engine/view/view~View#event:render `View#render`} event is fired.\n\t *\n\t * This method throws a `applying-view-changes-on-rendering` error when\n\t * the change block is used after rendering to the DOM has started.\n\t *\n\t * @param {Function} callback Callback function which may modify the view.\n\t * @returns {*} Value returned by the callback.\n\t */\n\tchange( callback ) {\n\t\tif ( this.isRenderingInProgress || this._postFixersInProgress ) {\n\t\t\t/**\n\t\t\t * Thrown when there is an attempt to make changes to the view tree when it is in incorrect state. This may\n\t\t\t * cause some unexpected behaviour and inconsistency between the DOM and the view.\n\t\t\t * This may be caused by:\n\t\t\t *\n\t\t\t * * calling {@link #change} or {@link #forceRender} during rendering process,\n\t\t\t * * calling {@link #change} or {@link #forceRender} inside of\n\t\t\t *   {@link module:engine/view/document~Document#registerPostFixer post-fixer function}.\n\t\t\t *\n\t\t\t * @error cannot-change-view-tree\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'cannot-change-view-tree',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\ttry {\n\t\t\t// Recursive call to view.change() method - execute listener immediately.\n\t\t\tif ( this._ongoingChange ) {\n\t\t\t\treturn callback( this._writer );\n\t\t\t}\n\n\t\t\t// This lock will assure that all recursive calls to view.change() will end up in same block - one \"render\"\n\t\t\t// event for all nested calls.\n\t\t\tthis._ongoingChange = true;\n\t\t\tconst callbackResult = callback( this._writer );\n\t\t\tthis._ongoingChange = false;\n\n\t\t\t// This lock is used by editing controller to render changes from outer most model.change() once. As plugins might call\n\t\t\t// view.change() inside model.change() block - this will ensures that postfixers and rendering are called once after all\n\t\t\t// changes. Also, we don't need to render anything if there're no changes since last rendering.\n\t\t\tif ( !this._renderingDisabled && this._hasChangedSinceTheLastRendering ) {\n\t\t\t\tthis._postFixersInProgress = true;\n\t\t\t\tthis.document._callPostFixers( this._writer );\n\t\t\t\tthis._postFixersInProgress = false;\n\n\t\t\t\tthis.fire( 'render' );\n\t\t\t}\n\n\t\t\treturn callbackResult;\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t}\n\n\t/**\n\t * Forces rendering {@link module:engine/view/document~Document view document} to DOM. If any view changes are\n\t * currently in progress, rendering will start after all {@link #change change blocks} are processed.\n\t *\n\t * Note that this method is dedicated for special cases. All view changes should be wrapped in the {@link #change}\n\t * block and the view will automatically check whether it needs to render DOM or not.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `applying-view-changes-on-rendering` when\n\t * trying to re-render when rendering to DOM has already started.\n\t */\n\tforceRender() {\n\t\tthis._hasChangedSinceTheLastRendering = true;\n\t\tthis.change( () => {} );\n\t}\n\n\t/**\n\t * Destroys this instance. Makes sure that all observers are destroyed and listeners removed.\n\t */\n\tdestroy() {\n\t\tfor ( const observer of this._observers.values() ) {\n\t\t\tobserver.destroy();\n\t\t}\n\n\t\tthis.document.destroy();\n\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/view/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/view/item~Item view item} and `'before'` or `'after'` (sets position before or after given view item).\n\t *\n\t * This method is a shortcut to other constructors such as:\n\t *\n\t * * {@link #createPositionBefore},\n\t * * {@link #createPositionAfter},\n\t *\n\t * @param {module:engine/view/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn Position._createAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new position after given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item after which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn Position._createAfter( item );\n\t}\n\n\t/**\n\t * Creates a new position before given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item before which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn Position._createBefore( item );\n\t}\n\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * **Note:** This factory method creates it's own {@link module:engine/view/position~Position} instances basing on passed values.\n\t *\n\t * @param {module:engine/view/position~Position} start Start position.\n\t * @param {module:engine/view/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/view/item~Item view item} and ends after it.\n\t *\n\t * @param {module:engine/view/item~Item} item\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeOn( item ) {\n\t\treturn Range._createOn( item );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @param {module:engine/view/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn Range._createIn( element );\n\t}\n\n\t/**\n\t Creates new {@link module:engine/view/selection~Selection} instance.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = view.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = view.createRange( start, end );\n\t *\t\tconst selection = view.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ view.createRange( start1, end2 ), view.createRange( star2, end2 ) ];\n\t *\t\tconst selection = view.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = view.createSelection();\n\t *\t\tconst selection = view.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the document selection.\n\t *\t\tconst selection = view.createSelection( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = view.createPositionFromPath( root, path );\n\t *\t\tconst selection = view.createSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = view.createContainerElement( 'paragraph' );\n\t *\t\tconst selection = view.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = view.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = view.createSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s factory method allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = view.createSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = view.createSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t * @returns {module:engine/view/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn new Selection( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Disables or enables rendering. If the flag is set to `true` then the rendering will be disabled.\n\t * If the flag is set to `false` and if there was some change in the meantime, then the rendering action will be performed.\n\t *\n\t * @protected\n\t * @param {Boolean} flag A flag indicates whether the rendering should be disabled.\n\t */\n\t_disableRendering( flag ) {\n\t\tthis._renderingDisabled = flag;\n\n\t\tif ( flag == false ) {\n\t\t\t// Render when you stop blocking rendering.\n\t\t\tthis.change( () => {} );\n\t\t}\n\t}\n\n\t/**\n\t * Renders all changes. In order to avoid triggering the observers (e.g. mutations) all observers are disabled\n\t * before rendering and re-enabled after that.\n\t *\n\t * @private\n\t */\n\t_render() {\n\t\tthis.isRenderingInProgress = true;\n\t\tthis.disableObservers();\n\t\tthis._renderer.render();\n\t\tthis.enableObservers();\n\t\tthis.isRenderingInProgress = false;\n\t}\n\n\t/**\n\t * Fired after a topmost {@link module:engine/view/view~View#change change block} and all\n\t * {@link module:engine/view/document~Document#registerPostFixer post-fixers} are executed.\n\t *\n\t * Actual rendering is performed as a first listener on 'normal' priority.\n\t *\n\t *\t\tview.on( 'render', () => {\n\t *\t\t\t// Rendering to the DOM is complete.\n\t *\t\t} );\n\t *\n\t * This event is useful when you want to update interface elements after the rendering, e.g. position of the\n\t * balloon panel. If you wants to change view structure use\n\t * {@link module:engine/view/document~Document#registerPostFixer post-fixers}.\n\t *\n\t * @event module:engine/view/view~View#event:render\n\t */\n}\n\nmix( View, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/node\n */\n\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\n// To check if component is loaded more than once.\nimport '@ckeditor/ckeditor5-utils/src/version';\n\n/**\n * Model node. Most basic structure of model tree.\n *\n * This is an abstract class that is a base for other classes representing different nodes in model.\n *\n * **Note:** If a node is detached from the model tree, you can manipulate it using it's API.\n * However, it is **very important** that nodes already attached to model tree should be only changed through\n * {@link module:engine/model/writer~Writer Writer API}.\n *\n * Changes done by `Node` methods, like {@link module:engine/model/element~Element#_insertChild _insertChild} or\n * {@link module:engine/model/node~Node#_setAttribute _setAttribute}\n * do not generate {@link module:engine/model/operation/operation~Operation operations}\n * which are essential for correct editor work if you modify nodes in {@link module:engine/model/document~Document document} root.\n *\n * The flow of working on `Node` (and classes that inherits from it) is as such:\n * 1. You can create a `Node` instance, modify it using it's API.\n * 2. Add `Node` to the model using `Batch` API.\n * 3. Change `Node` that was already added to the model using `Batch` API.\n *\n * Similarly, you cannot use `Batch` API on a node that has not been added to the model tree, with the exception\n * of {@link module:engine/model/writer~Writer#insert inserting} that node to the model tree.\n *\n * Be aware that using {@link module:engine/model/writer~Writer#remove remove from Batch API} does not allow to use `Node` API because\n * the information about `Node` is still kept in model document.\n *\n * In case of {@link module:engine/model/element~Element element node}, adding and removing children also counts as changing a node and\n * follows same rules.\n */\nexport default class Node {\n\t/**\n\t * Creates a model node.\n\t *\n\t * This is an abstract class, so this constructor should not be used directly.\n\t *\n\t * @abstract\n\t * @param {Object} [attrs] Node's attributes. See {@link module:utils/tomap~toMap} for a list of accepted values.\n\t */\n\tconstructor( attrs ) {\n\t\t/**\n\t\t * Parent of this node. It could be {@link module:engine/model/element~Element}\n\t\t * or {@link module:engine/model/documentfragment~DocumentFragment}.\n\t\t * Equals to `null` if the node has no parent.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t\t */\n\t\tthis.parent = null;\n\n\t\t/**\n\t\t * Attributes set on this node.\n\t\t *\n\t\t * @private\n\t\t * @member {Map} module:engine/model/node~Node#_attrs\n\t\t */\n\t\tthis._attrs = toMap( attrs );\n\t}\n\n\t/**\n\t * Index of this node in it's parent or `null` if the node has no parent.\n\t *\n\t * Accessing this property throws an error if this node's parent element does not contain it.\n\t * This means that model tree got broken.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget index() {\n\t\tlet pos;\n\n\t\tif ( !this.parent ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( ( pos = this.parent.getChildIndex( this ) ) === null ) {\n\t\t\tthrow new CKEditorError( 'model-node-not-found-in-parent', this );\n\t\t}\n\n\t\treturn pos;\n\t}\n\n\t/**\n\t * Offset at which this node starts in it's parent. It is equal to the sum of {@link #offsetSize offsetSize}\n\t * of all it's previous siblings. Equals to `null` if node has no parent.\n\t *\n\t * Accessing this property throws an error if this node's parent element does not contain it.\n\t * This means that model tree got broken.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget startOffset() {\n\t\tlet pos;\n\n\t\tif ( !this.parent ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( ( pos = this.parent.getChildStartOffset( this ) ) === null ) {\n\t\t\tthrow new CKEditorError( 'model-node-not-found-in-parent', this );\n\t\t}\n\n\t\treturn pos;\n\t}\n\n\t/**\n\t * Offset size of this node. Represents how much \"offset space\" is occupied by the node in it's parent.\n\t * It is important for {@link module:engine/model/position~Position position}. When node has `offsetSize` greater than `1`, position\n\t * can be placed between that node start and end. `offsetSize` greater than `1` is for nodes that represents more\n\t * than one entity, i.e. {@link module:engine/model/text~Text text node}.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget offsetSize() {\n\t\treturn 1;\n\t}\n\n\t/**\n\t * Offset at which this node ends in it's parent. It is equal to the sum of this node's\n\t * {@link module:engine/model/node~Node#startOffset start offset} and {@link #offsetSize offset size}.\n\t * Equals to `null` if the node has no parent.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget endOffset() {\n\t\tif ( !this.parent ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.startOffset + this.offsetSize;\n\t}\n\n\t/**\n\t * Node's next sibling or `null` if the node is a last child of it's parent or if the node has no parent.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|null}\n\t */\n\tget nextSibling() {\n\t\tconst index = this.index;\n\n\t\treturn ( index !== null && this.parent.getChild( index + 1 ) ) || null;\n\t}\n\n\t/**\n\t * Node's previous sibling or `null` if the node is a first child of it's parent or if the node has no parent.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|null}\n\t */\n\tget previousSibling() {\n\t\tconst index = this.index;\n\n\t\treturn ( index !== null && this.parent.getChild( index - 1 ) ) || null;\n\t}\n\n\t/**\n\t * The top-most ancestor of the node. If node has no parent it is the root itself. If the node is a part\n\t * of {@link module:engine/model/documentfragment~DocumentFragment}, it's `root` is equal to that `DocumentFragment`.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\tlet root = this; // eslint-disable-line consistent-this\n\n\t\twhile ( root.parent ) {\n\t\t\troot = root.parent;\n\t\t}\n\n\t\treturn root;\n\t}\n\n\t/**\n\t * Returns true if the node is in a tree rooted in the document (is a descendant of one of its roots).\n\t *\n\t * @returns {Boolean}\n\t */\n\tisAttached() {\n\t\treturn this.root.is( 'rootElement' );\n\t}\n\n\t/**\n\t * Gets path to the node. The path is an array containing starting offsets of consecutive ancestors of this node,\n\t * beginning from {@link module:engine/model/node~Node#root root}, down to this node's starting offset. The path can be used to\n\t * create {@link module:engine/model/position~Position Position} instance.\n\t *\n\t *\t\tconst abc = new Text( 'abc' );\n\t *\t\tconst foo = new Text( 'foo' );\n\t *\t\tconst h1 = new Element( 'h1', null, new Text( 'header' ) );\n\t *\t\tconst p = new Element( 'p', null, [ abc, foo ] );\n\t *\t\tconst div = new Element( 'div', null, [ h1, p ] );\n\t *\t\tfoo.getPath(); // Returns [ 1, 3 ]. `foo` is in `p` which is in `div`. `p` starts at offset 1, while `foo` at 3.\n\t *\t\th1.getPath(); // Returns [ 0 ].\n\t *\t\tdiv.getPath(); // Returns [].\n\t *\n\t * @returns {Array.<Number>} The path.\n\t */\n\tgetPath() {\n\t\tconst path = [];\n\t\tlet node = this; // eslint-disable-line consistent-this\n\n\t\twhile ( node.parent ) {\n\t\t\tpath.unshift( node.startOffset );\n\t\t\tnode = node.parent;\n\t\t}\n\n\t\treturn path;\n\t}\n\n\t/**\n\t * Returns ancestors array of this node.\n\t *\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` this node will be also included in parent's array.\n\t * @param {Boolean} [options.parentFirst=false] When set to `true`, array will be sorted from node's parent to root element,\n\t * otherwise root element will be the first item in the array.\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors( options = { includeSelf: false, parentFirst: false } ) {\n\t\tconst ancestors = [];\n\t\tlet parent = options.includeSelf ? this : this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tancestors[ options.parentFirst ? 'push' : 'unshift' ]( parent );\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn ancestors;\n\t}\n\n\t/**\n\t * Returns a {@link module:engine/model/element~Element} or {@link module:engine/model/documentfragment~DocumentFragment}\n\t * which is a common ancestor of both nodes.\n\t *\n\t * @param {module:engine/model/node~Node} node The second node.\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` both nodes will be considered \"ancestors\" too.\n\t * Which means that if e.g. node A is inside B, then their common ancestor will be B.\n\t * @returns {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor( node, options = {} ) {\n\t\tconst ancestorsA = this.getAncestors( options );\n\t\tconst ancestorsB = node.getAncestors( options );\n\n\t\tlet i = 0;\n\n\t\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n\t}\n\n\t/**\n\t * Returns whether this node is before given node. `false` is returned if nodes are in different trees (for example,\n\t * in different {@link module:engine/model/documentfragment~DocumentFragment}s).\n\t *\n\t * @param {module:engine/model/node~Node} node Node to compare with.\n\t * @returns {Boolean}\n\t */\n\tisBefore( node ) {\n\t\t// Given node is not before this node if they are same.\n\t\tif ( this == node ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Return `false` if it is impossible to compare nodes.\n\t\tif ( this.root !== node.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst thisPath = this.getPath();\n\t\tconst nodePath = node.getPath();\n\n\t\tconst result = compareArrays( thisPath, nodePath );\n\n\t\tswitch ( result ) {\n\t\t\tcase 'prefix':\n\t\t\t\treturn true;\n\n\t\t\tcase 'extension':\n\t\t\t\treturn false;\n\n\t\t\tdefault:\n\t\t\t\treturn thisPath[ result ] < nodePath[ result ];\n\t\t}\n\t}\n\n\t/**\n\t * Returns whether this node is after given node. `false` is returned if nodes are in different trees (for example,\n\t * in different {@link module:engine/model/documentfragment~DocumentFragment}s).\n\t *\n\t * @param {module:engine/model/node~Node} node Node to compare with.\n\t * @returns {Boolean}\n\t */\n\tisAfter( node ) {\n\t\t// Given node is not before this node if they are same.\n\t\tif ( this == node ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Return `false` if it is impossible to compare nodes.\n\t\tif ( this.root !== node.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// In other cases, just check if the `node` is before, and return the opposite.\n\t\treturn !this.isBefore( node );\n\t}\n\n\t/**\n\t * Checks if the node has an attribute with given key.\n\t *\n\t * @param {String} key Key of attribute to check.\n\t * @returns {Boolean} `true` if attribute with given key is set on node, `false` otherwise.\n\t */\n\thasAttribute( key ) {\n\t\treturn this._attrs.has( key );\n\t}\n\n\t/**\n\t * Gets an attribute value for given key or `undefined` if that attribute is not set on node.\n\t *\n\t * @param {String} key Key of attribute to look for.\n\t * @returns {*} Attribute value or `undefined`.\n\t */\n\tgetAttribute( key ) {\n\t\treturn this._attrs.get( key );\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this node's attributes.\n\t *\n\t * Attributes are returned as arrays containing two items. First one is attribute key and second is attribute value.\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\tgetAttributes() {\n\t\treturn this._attrs.entries();\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this node's attribute keys.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetAttributeKeys() {\n\t\treturn this._attrs.keys();\n\t}\n\n\t/**\n\t * Converts `Node` to plain object and returns it.\n\t *\n\t * @returns {Object} `Node` converted to plain object.\n\t */\n\ttoJSON() {\n\t\tconst json = {};\n\n\t\t// Serializes attributes to the object.\n\t\t// attributes = { a: 'foo', b: 1, c: true }.\n\t\tif ( this._attrs.size ) {\n\t\t\tjson.attributes = Array.from( this._attrs ).reduce( ( result, attr ) => {\n\t\t\t\tresult[ attr[ 0 ] ] = attr[ 1 ];\n\n\t\t\t\treturn result;\n\t\t\t}, {} );\n\t\t}\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t * This method is useful when processing model objects that are of unknown type. For example, a function\n\t * may return a {@link module:engine/model/documentfragment~DocumentFragment} or a {@link module:engine/model/node~Node}\n\t * that can be either a text node or an element. This method can be used to check what kind of object is returned.\n\t *\n\t *\t\tsomeObject.is( 'element' ); // -> true if this is an element\n\t *\t\tsomeObject.is( 'node' ); // -> true if this is a node (a text node or an element)\n\t *\t\tsomeObject.is( 'documentFragment' ); // -> true if this is a document fragment\n\t *\n\t * Since this method is also available on a range of view objects, you can prefix the type of the object with\n\t * `model:` or `view:` to check, for example, if this is the model's or view's element:\n\t *\n\t *\t\tmodelElement.is( 'model:element' ); // -> true\n\t *\t\tmodelElement.is( 'view:element' ); // -> false\n\t *\n\t * By using this method it is also possible to check a name of an element:\n\t *\n\t *\t\timageElement.is( 'element', 'imageBlock' ); // -> true\n\t *\t\timageElement.is( 'element', 'imageBlock' ); // -> same as above\n\t *\t\timageElement.is( 'model:element', 'imageBlock' ); // -> same as above, but more precise\n\t *\n\t * The list of model objects which implement the `is()` method:\n\t *\n\t * * {@link module:engine/model/node~Node#is `Node#is()`}\n\t * * {@link module:engine/model/text~Text#is `Text#is()`}\n\t * * {@link module:engine/model/element~Element#is `Element#is()`}\n\t * * {@link module:engine/model/rootelement~RootElement#is `RootElement#is()`}\n\t * * {@link module:engine/model/position~Position#is `Position#is()`}\n\t * * {@link module:engine/model/liveposition~LivePosition#is `LivePosition#is()`}\n\t * * {@link module:engine/model/range~Range#is `Range#is()`}\n\t * * {@link module:engine/model/liverange~LiveRange#is `LiveRange#is()`}\n\t * * {@link module:engine/model/documentfragment~DocumentFragment#is `DocumentFragment#is()`}\n\t * * {@link module:engine/model/selection~Selection#is `Selection#is()`}\n\t * * {@link module:engine/model/documentselection~DocumentSelection#is `DocumentSelection#is()`}\n\t * * {@link module:engine/model/markercollection~Marker#is `Marker#is()`}\n\t * * {@link module:engine/model/textproxy~TextProxy#is `TextProxy#is()`}\n\t *\n\t * @method #is\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'node' || type === 'model:node';\n\t}\n\n\t/**\n\t * Creates a copy of this node, that is a node with exactly same attributes, and returns it.\n\t *\n\t * @protected\n\t * @returns {module:engine/model/node~Node} Node with same attributes as this node.\n\t */\n\t_clone() {\n\t\treturn new Node( this._attrs );\n\t}\n\n\t/**\n\t * Removes this node from it's parent.\n\t *\n\t * @see module:engine/model/writer~Writer#remove\n\t * @protected\n\t */\n\t_remove() {\n\t\tthis.parent._removeChildren( this.index );\n\t}\n\n\t/**\n\t * Sets attribute on the node. If attribute with the same key already is set, it's value is overwritten.\n\t *\n\t * @see module:engine/model/writer~Writer#setAttribute\n\t * @protected\n\t * @param {String} key Key of attribute to set.\n\t * @param {*} value Attribute value.\n\t */\n\t_setAttribute( key, value ) {\n\t\tthis._attrs.set( key, value );\n\t}\n\n\t/**\n\t * Removes all attributes from the node and sets given attributes.\n\t *\n\t * @see module:engine/model/writer~Writer#setAttributes\n\t * @protected\n\t * @param {Object} [attrs] Attributes to set. See {@link module:utils/tomap~toMap} for a list of accepted values.\n\t */\n\t_setAttributesTo( attrs ) {\n\t\tthis._attrs = toMap( attrs );\n\t}\n\n\t/**\n\t * Removes an attribute with given key from the node.\n\t *\n\t * @see module:engine/model/writer~Writer#removeAttribute\n\t * @protected\n\t * @param {String} key Key of attribute to remove.\n\t * @returns {Boolean} `true` if the attribute was set on the element, `false` otherwise.\n\t */\n\t_removeAttribute( key ) {\n\t\treturn this._attrs.delete( key );\n\t}\n\n\t/**\n\t * Removes all attributes from the node.\n\t *\n\t * @see module:engine/model/writer~Writer#clearAttributes\n\t * @protected\n\t */\n\t_clearAttributes() {\n\t\tthis._attrs.clear();\n\t}\n}\n\n/**\n * The node's parent does not contain this node.\n *\n * @error model-node-not-found-in-parent\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/text\n */\n\nimport Node from './node';\n\n// @if CK_DEBUG_ENGINE // const { convertMapToStringifiedObject } = require( '../dev-utils/utils' );\n\n/**\n * Model text node. Type of {@link module:engine/model/node~Node node} that contains {@link module:engine/model/text~Text#data text data}.\n *\n * **Important:** see {@link module:engine/model/node~Node} to read about restrictions using `Text` and `Node` API.\n *\n * **Note:** keep in mind that `Text` instances might indirectly got removed from model tree when model is changed.\n * This happens when {@link module:engine/model/writer~Writer model writer} is used to change model and the text node is merged with\n * another text node. Then, both text nodes are removed and a new text node is inserted into the model. Because of\n * this behavior, keeping references to `Text` is not recommended. Instead, consider creating\n * {@link module:engine/model/liveposition~LivePosition live position} placed before the text node.\n *\n * @extends module:engine/model/node~Node\n */\nexport default class Text extends Node {\n\t/**\n\t * Creates a text node.\n\t *\n\t * **Note:** Constructor of this class shouldn't be used directly in the code.\n\t * Use the {@link module:engine/model/writer~Writer#createText} method instead.\n\t *\n\t * @protected\n\t * @param {String} data Node's text.\n\t * @param {Object} [attrs] Node's attributes. See {@link module:utils/tomap~toMap} for a list of accepted values.\n\t */\n\tconstructor( data, attrs ) {\n\t\tsuper( attrs );\n\n\t\t/**\n\t\t * Text data contained in this text node.\n\t\t *\n\t\t * @protected\n\t\t * @type {String}\n\t\t */\n\t\tthis._data = data || '';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget offsetSize() {\n\t\treturn this.data.length;\n\t}\n\n\t/**\n\t * Returns a text data contained in the node.\n\t *\n\t * @readonly\n\t * @type {String}\n\t */\n\tget data() {\n\t\treturn this._data;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\ttext.is( '$text' ); // -> true\n\t *\t\ttext.is( 'node' ); // -> true\n\t *\t\ttext.is( 'model:$text' ); // -> true\n\t *\t\ttext.is( 'model:node' ); // -> true\n\t *\n\t *\t\ttext.is( 'view:$text' ); // -> false\n\t *\t\ttext.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * **Note:** Until version 20.0.0 this method wasn't accepting `'$text'` type. The legacy `'text'` type is still\n\t * accepted for backward compatibility.\n\t *\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === '$text' || type === 'model:$text' ||\n\t\t\t// This are legacy values kept for backward compatibility.\n\t\t\ttype === 'text' || type === 'model:text' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype === 'node' || type === 'model:node';\n\t}\n\n\t/**\n\t * Converts `Text` instance to plain object and returns it.\n\t *\n\t * @returns {Object} `Text` instance converted to plain object.\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.data = this.data;\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Creates a copy of this text node and returns it. Created text node has same text data and attributes as original text node.\n\t *\n\t * @protected\n\t * @returns {module:engine/model/text~Text} `Text` instance created using given plain object.\n\t */\n\t_clone() {\n\t\treturn new Text( this.data, this.getAttributes() );\n\t}\n\n\t/**\n\t * Creates a `Text` instance from given plain object (i.e. parsed JSON string).\n\t *\n\t * @param {Object} json Plain object to be converted to `Text`.\n\t * @returns {module:engine/model/text~Text} `Text` instance created using given plain object.\n\t */\n\tstatic fromJSON( json ) {\n\t\treturn new Text( json.data, json.attributes );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `#${ this.data }`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( `ModelText: ${ this }, attrs: ${ convertMapToStringifiedObject( this.getAttributes() ) }` );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelText: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/textproxy\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// @if CK_DEBUG_ENGINE // const { convertMapToStringifiedObject } = require( '../dev-utils/utils' );\n\n/**\n * `TextProxy` represents a part of {@link module:engine/model/text~Text text node}.\n *\n * Since {@link module:engine/model/position~Position positions} can be placed between characters of a text node,\n * {@link module:engine/model/range~Range ranges} may contain only parts of text nodes. When {@link module:engine/model/range~Range#getItems\n * getting items}\n * contained in such range, we need to represent a part of that text node, since returning the whole text node would be incorrect.\n * `TextProxy` solves this issue.\n *\n * `TextProxy` has an API similar to {@link module:engine/model/text~Text Text} and allows to do most of the common tasks performed\n * on model nodes.\n *\n * **Note:** Some `TextProxy` instances may represent whole text node, not just a part of it.\n * See {@link module:engine/model/textproxy~TextProxy#isPartial}.\n *\n * **Note:** `TextProxy` is not an instance of {@link module:engine/model/node~Node node}. Keep this in mind when using it as a\n * parameter of methods.\n *\n * **Note:** `TextProxy` is a readonly interface. If you want to perform changes on model data represented by a `TextProxy`\n * use {@link module:engine/model/writer~Writer model writer API}.\n *\n * **Note:** `TextProxy` instances are created on the fly, basing on the current state of model. Because of this, it is\n * highly unrecommended to store references to `TextProxy` instances. `TextProxy` instances are not refreshed when\n * model changes, so they might get invalidated. Instead, consider creating {@link module:engine/model/liveposition~LivePosition live\n * position}.\n *\n * `TextProxy` instances are created by {@link module:engine/model/treewalker~TreeWalker model tree walker}. You should not need to create\n * an instance of this class by your own.\n */\nexport default class TextProxy {\n\t/**\n\t * Creates a text proxy.\n\t *\n\t * @protected\n\t * @param {module:engine/model/text~Text} textNode Text node which part is represented by this text proxy.\n\t * @param {Number} offsetInText Offset in {@link module:engine/model/textproxy~TextProxy#textNode text node} from which the text proxy\n\t * starts.\n\t * @param {Number} length Text proxy length, that is how many text node's characters, starting from `offsetInText` it represents.\n\t * @constructor\n\t */\n\tconstructor( textNode, offsetInText, length ) {\n\t\t/**\n\t\t * Text node which part is represented by this text proxy.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/text~Text}\n\t\t */\n\t\tthis.textNode = textNode;\n\n\t\tif ( offsetInText < 0 || offsetInText > textNode.offsetSize ) {\n\t\t\t/**\n\t\t\t * Given `offsetInText` value is incorrect.\n\t\t\t *\n\t\t\t * @error model-textproxy-wrong-offsetintext\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-textproxy-wrong-offsetintext', this );\n\t\t}\n\n\t\tif ( length < 0 || offsetInText + length > textNode.offsetSize ) {\n\t\t\t/**\n\t\t\t * Given `length` value is incorrect.\n\t\t\t *\n\t\t\t * @error model-textproxy-wrong-length\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-textproxy-wrong-length', this );\n\t\t}\n\n\t\t/**\n\t\t * Text data represented by this text proxy.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.data = textNode.data.substring( offsetInText, offsetInText + length );\n\n\t\t/**\n\t\t * Offset in {@link module:engine/model/textproxy~TextProxy#textNode text node} from which the text proxy starts.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.offsetInText = offsetInText;\n\t}\n\n\t/**\n\t * Offset at which this text proxy starts in it's parent.\n\t *\n\t * @see module:engine/model/node~Node#startOffset\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget startOffset() {\n\t\treturn this.textNode.startOffset !== null ? this.textNode.startOffset + this.offsetInText : null;\n\t}\n\n\t/**\n\t * Offset size of this text proxy. Equal to the number of characters represented by the text proxy.\n\t *\n\t * @see module:engine/model/node~Node#offsetSize\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget offsetSize() {\n\t\treturn this.data.length;\n\t}\n\n\t/**\n\t * Offset at which this text proxy ends in it's parent.\n\t *\n\t * @see module:engine/model/node~Node#endOffset\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget endOffset() {\n\t\treturn this.startOffset !== null ? this.startOffset + this.offsetSize : null;\n\t}\n\n\t/**\n\t * Flag indicating whether `TextProxy` instance covers only part of the original {@link module:engine/model/text~Text text node}\n\t * (`true`) or the whole text node (`false`).\n\t *\n\t * This is `false` when text proxy starts at the very beginning of {@link module:engine/model/textproxy~TextProxy#textNode textNode}\n\t * ({@link module:engine/model/textproxy~TextProxy#offsetInText offsetInText} equals `0`) and text proxy sizes is equal to\n\t * text node size.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isPartial() {\n\t\treturn this.offsetSize !== this.textNode.offsetSize;\n\t}\n\n\t/**\n\t * Parent of this text proxy, which is same as parent of text node represented by this text proxy.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tget parent() {\n\t\treturn this.textNode.parent;\n\t}\n\n\t/**\n\t * Root of this text proxy, which is same as root of text node represented by this text proxy.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.textNode.root;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\ttextProxy.is( '$textProxy' ); // -> true\n\t *\t\ttextProxy.is( 'model:$textProxy' ); // -> true\n\t *\n\t *\t\ttextProxy.is( 'view:$textProxy' ); // -> false\n\t *\t\ttextProxy.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * **Note:** Until version 20.0.0 this method wasn't accepting `'$textProxy'` type. The legacy `'textProxt'` type is still\n\t * accepted for backward compatibility.\n\t *\n\t * @param {String} type Type to check.\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === '$textProxy' || type === 'model:$textProxy' ||\n\t\t\t// This are legacy values kept for backward compatibility.\n\t\t\ttype === 'textProxy' || type === 'model:textProxy';\n\t}\n\n\t/**\n\t * Gets path to this text proxy.\n\t *\n\t * @see module:engine/model/node~Node#getPath\n\t * @returns {Array.<Number>}\n\t */\n\tgetPath() {\n\t\tconst path = this.textNode.getPath();\n\n\t\tif ( path.length > 0 ) {\n\t\t\tpath[ path.length - 1 ] += this.offsetInText;\n\t\t}\n\n\t\treturn path;\n\t}\n\n\t/**\n\t * Returns ancestors array of this text proxy.\n\t *\n\t * @param {Object} options Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` this text proxy will be also included in parent's array.\n\t * @param {Boolean} [options.parentFirst=false] When set to `true`, array will be sorted from text proxy parent to root element,\n\t * otherwise root element will be the first item in the array.\n\t * @returns {Array} Array with ancestors.\n\t */\n\tgetAncestors( options = { includeSelf: false, parentFirst: false } ) {\n\t\tconst ancestors = [];\n\t\tlet parent = options.includeSelf ? this : this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tancestors[ options.parentFirst ? 'push' : 'unshift' ]( parent );\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn ancestors;\n\t}\n\n\t/**\n\t * Checks if this text proxy has an attribute for given key.\n\t *\n\t * @param {String} key Key of attribute to check.\n\t * @returns {Boolean} `true` if attribute with given key is set on text proxy, `false` otherwise.\n\t */\n\thasAttribute( key ) {\n\t\treturn this.textNode.hasAttribute( key );\n\t}\n\n\t/**\n\t * Gets an attribute value for given key or `undefined` if that attribute is not set on text proxy.\n\t *\n\t * @param {String} key Key of attribute to look for.\n\t * @returns {*} Attribute value or `undefined`.\n\t */\n\tgetAttribute( key ) {\n\t\treturn this.textNode.getAttribute( key );\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this node's attributes. Attributes are returned as arrays containing two\n\t * items. First one is attribute key and second is attribute value.\n\t *\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\tgetAttributes() {\n\t\treturn this.textNode.getAttributes();\n\t}\n\n\t/**\n\t * Returns iterator that iterates over this node's attribute keys.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetAttributeKeys() {\n\t\treturn this.textNode.getAttributeKeys();\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `#${ this.data }`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelTextProxy: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( `ModelTextProxy: ${ this }, ` +\n\t// @if CK_DEBUG_ENGINE // \t\t`attrs: ${ convertMapToStringifiedObject( this.getAttributes() ) }` );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/nodelist\n */\n\nimport Node from './node';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Provides an interface to operate on a list of {@link module:engine/model/node~Node nodes}. `NodeList` is used internally\n * in classes like {@link module:engine/model/element~Element Element}\n * or {@link module:engine/model/documentfragment~DocumentFragment DocumentFragment}.\n */\nexport default class NodeList {\n\t/**\n\t * Creates an empty node list.\n\t *\n\t * @protected\n\t * @param {Iterable.<module:engine/model/node~Node>} nodes Nodes contained in this node list.\n\t */\n\tconstructor( nodes ) {\n\t\t/**\n\t\t * Nodes contained in this node list.\n\t\t *\n\t\t * @private\n\t\t * @member {Array.<module:engine/model/node~Node>}\n\t\t */\n\t\tthis._nodes = [];\n\n\t\tif ( nodes ) {\n\t\t\tthis._insertNodes( 0, nodes );\n\t\t}\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all nodes contained inside this node list.\n\t *\n\t * @returns {Iterable.<module:engine/model/node~Node>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._nodes[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Number of nodes contained inside this node list.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget length() {\n\t\treturn this._nodes.length;\n\t}\n\n\t/**\n\t * Sum of {@link module:engine/model/node~Node#offsetSize offset sizes} of all nodes contained inside this node list.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget maxOffset() {\n\t\treturn this._nodes.reduce( ( sum, node ) => sum + node.offsetSize, 0 );\n\t}\n\n\t/**\n\t * Gets the node at the given index. Returns `null` if incorrect index was passed.\n\t *\n\t * @param {Number} index Index of node.\n\t * @returns {module:engine/model/node~Node|null} Node at given index.\n\t */\n\tgetNode( index ) {\n\t\treturn this._nodes[ index ] || null;\n\t}\n\n\t/**\n\t * Returns an index of the given node. Returns `null` if given node is not inside this node list.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number|null} Child node's index.\n\t */\n\tgetNodeIndex( node ) {\n\t\tconst index = this._nodes.indexOf( node );\n\n\t\treturn index == -1 ? null : index;\n\t}\n\n\t/**\n\t * Returns the starting offset of given node. Starting offset is equal to the sum of\n\t * {@link module:engine/model/node~Node#offsetSize offset sizes} of all nodes that are before this node in this node list.\n\t *\n\t * @param {module:engine/model/node~Node} node Node to look for.\n\t * @returns {Number|null} Node's starting offset.\n\t */\n\tgetNodeStartOffset( node ) {\n\t\tconst index = this.getNodeIndex( node );\n\n\t\treturn index === null ? null : this._nodes.slice( 0, index ).reduce( ( sum, node ) => sum + node.offsetSize, 0 );\n\t}\n\n\t/**\n\t * Converts index to offset in node list.\n\t *\n\t * Returns starting offset of a node that is at given index. Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * `model-nodelist-index-out-of-bounds` if given index is less than `0` or more than {@link #length}.\n\t *\n\t * @param {Number} index Node's index.\n\t * @returns {Number} Node's starting offset.\n\t */\n\tindexToOffset( index ) {\n\t\tif ( index == this._nodes.length ) {\n\t\t\treturn this.maxOffset;\n\t\t}\n\n\t\tconst node = this._nodes[ index ];\n\n\t\tif ( !node ) {\n\t\t\t/**\n\t\t\t * Given index cannot be found in the node list.\n\t\t\t *\n\t\t\t * @error model-nodelist-index-out-of-bounds\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-nodelist-index-out-of-bounds', this );\n\t\t}\n\n\t\treturn this.getNodeStartOffset( node );\n\t}\n\n\t/**\n\t * Converts offset in node list to index.\n\t *\n\t * Returns index of a node that occupies given offset. Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError}\n\t * `model-nodelist-offset-out-of-bounds` if given offset is less than `0` or more than {@link #maxOffset}.\n\t *\n\t * @param {Number} offset Offset to look for.\n\t * @returns {Number} Index of a node that occupies given offset.\n\t */\n\toffsetToIndex( offset ) {\n\t\tlet totalOffset = 0;\n\n\t\tfor ( const node of this._nodes ) {\n\t\t\tif ( offset >= totalOffset && offset < totalOffset + node.offsetSize ) {\n\t\t\t\treturn this.getNodeIndex( node );\n\t\t\t}\n\n\t\t\ttotalOffset += node.offsetSize;\n\t\t}\n\n\t\tif ( totalOffset != offset ) {\n\t\t\t/**\n\t\t\t * Given offset cannot be found in the node list.\n\t\t\t *\n\t\t\t * @error model-nodelist-offset-out-of-bounds\n\t\t\t * @param {Number} offset\n\t\t\t * @param {module:engine/model/nodelist~NodeList} nodeList Stringified node list.\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-nodelist-offset-out-of-bounds',\n\t\t\t\tthis,\n\t\t\t\t{\n\t\t\t\t\toffset,\n\t\t\t\t\tnodeList: this\n\t\t\t\t}\n\t\t\t);\n\t\t}\n\n\t\treturn this.length;\n\t}\n\n\t/**\n\t * Inserts given nodes at given index.\n\t *\n\t * @protected\n\t * @param {Number} index Index at which nodes should be inserted.\n\t * @param {Iterable.<module:engine/model/node~Node>} nodes Nodes to be inserted.\n\t */\n\t_insertNodes( index, nodes ) {\n\t\t// Validation.\n\t\tfor ( const node of nodes ) {\n\t\t\tif ( !( node instanceof Node ) ) {\n\t\t\t\t/**\n\t\t\t\t * Trying to insert an object which is not a Node instance.\n\t\t\t\t *\n\t\t\t\t * @error model-nodelist-insertnodes-not-node\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-nodelist-insertnodes-not-node', this );\n\t\t\t}\n\t\t}\n\n\t\tthis._nodes.splice( index, 0, ...nodes );\n\t}\n\n\t/**\n\t * Removes one or more nodes starting at the given index.\n\t *\n\t * @protected\n\t * @param {Number} indexStart Index of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @returns {Array.<module:engine/model/node~Node>} Array containing removed nodes.\n\t */\n\t_removeNodes( indexStart, howMany = 1 ) {\n\t\treturn this._nodes.splice( indexStart, howMany );\n\t}\n\n\t/**\n\t * Converts `NodeList` instance to an array containing nodes that were inserted in the node list. Nodes\n\t * are also converted to their plain object representation.\n\t *\n\t * @returns {Array.<module:engine/model/node~Node>} `NodeList` instance converted to `Array`.\n\t */\n\ttoJSON() {\n\t\treturn this._nodes.map( node => node.toJSON() );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/element\n */\n\nimport Node from './node';\nimport NodeList from './nodelist';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\n\n// @if CK_DEBUG_ENGINE // const { stringifyMap, convertMapToStringifiedObject, convertMapToTags } = require( '../dev-utils/utils' );\n\n/**\n * Model element. Type of {@link module:engine/model/node~Node node} that has a {@link module:engine/model/element~Element#name name} and\n * {@link module:engine/model/element~Element#getChildren child nodes}.\n *\n * **Important**: see {@link module:engine/model/node~Node} to read about restrictions using `Element` and `Node` API.\n *\n * @extends module:engine/model/node~Node\n */\nexport default class Element extends Node {\n\t/**\n\t * Creates a model element.\n\t *\n\t * **Note:** Constructor of this class shouldn't be used directly in the code.\n\t * Use the {@link module:engine/model/writer~Writer#createElement} method instead.\n\t *\n\t * @protected\n\t * @param {String} name Element's name.\n\t * @param {Object} [attrs] Element's attributes. See {@link module:utils/tomap~toMap} for a list of accepted values.\n\t * @param {module:engine/model/node~Node|Iterable.<module:engine/model/node~Node>} [children]\n\t * One or more nodes to be inserted as children of created element.\n\t */\n\tconstructor( name, attrs, children ) {\n\t\tsuper( attrs );\n\n\t\t/**\n\t\t * Element name.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} module:engine/model/element~Element#name\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * List of children nodes.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/nodelist~NodeList} module:engine/model/element~Element#_children\n\t\t */\n\t\tthis._children = new NodeList();\n\n\t\tif ( children ) {\n\t\t\tthis._insertChild( 0, children );\n\t\t}\n\t}\n\n\t/**\n\t * Number of this element's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget childCount() {\n\t\treturn this._children.length;\n\t}\n\n\t/**\n\t * Sum of {@link module:engine/model/node~Node#offsetSize offset sizes} of all of this element's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget maxOffset() {\n\t\treturn this._children.maxOffset;\n\t}\n\n\t/**\n\t * Is `true` if there are no nodes inside this element, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this.childCount === 0;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\telement.is( 'element' ); // -> true\n\t *\t\telement.is( 'node' ); // -> true\n\t *\t\telement.is( 'model:element' ); // -> true\n\t *\t\telement.is( 'model:node' ); // -> true\n\t *\n\t *\t\telement.is( 'view:element' ); // -> false\n\t *\t\telement.is( 'documentSelection' ); // -> false\n\t *\n\t * Assuming that the object being checked is an element, you can also check its\n\t * {@link module:engine/model/element~Element#name name}:\n\t *\n\t *\t\telement.is( 'element', 'imageBlock' ); // -> true if this is an <imageBlock> element\n\t *\t\telement.is( 'element', 'imageBlock' ); // -> same as above\n\t *\t\ttext.is( 'element', 'imageBlock' ); -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name = null ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'element' || type === 'model:element' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'node' || type === 'model:node';\n\t\t}\n\n\t\treturn name === this.name && ( type === 'element' || type === 'model:element' );\n\t}\n\n\t/**\n\t * Gets the child at the given index.\n\t *\n\t * @param {Number} index Index of child.\n\t * @returns {module:engine/model/node~Node} Child node.\n\t */\n\tgetChild( index ) {\n\t\treturn this._children.getNode( index );\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all of this element's children.\n\t *\n\t * @returns {Iterable.<module:engine/model/node~Node>}\n\t */\n\tgetChildren() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Returns an index of the given child node. Returns `null` if given node is not a child of this element.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number} Child node's index in this element.\n\t */\n\tgetChildIndex( node ) {\n\t\treturn this._children.getNodeIndex( node );\n\t}\n\n\t/**\n\t * Returns the starting offset of given child. Starting offset is equal to the sum of\n\t * {@link module:engine/model/node~Node#offsetSize offset sizes} of all node's siblings that are before it. Returns `null` if\n\t * given node is not a child of this element.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number} Child node's starting offset.\n\t */\n\tgetChildStartOffset( node ) {\n\t\treturn this._children.getNodeStartOffset( node );\n\t}\n\n\t/**\n\t * Returns index of a node that occupies given offset. If given offset is too low, returns `0`. If given offset is\n\t * too high, returns {@link module:engine/model/element~Element#getChildIndex index after last child}.\n\t *\n\t *\t\tconst textNode = new Text( 'foo' );\n\t *\t\tconst pElement = new Element( 'p' );\n\t *\t\tconst divElement = new Element( [ textNode, pElement ] );\n\t *\t\tdivElement.offsetToIndex( -1 ); // Returns 0, because offset is too low.\n\t *\t\tdivElement.offsetToIndex( 0 ); // Returns 0, because offset 0 is taken by `textNode` which is at index 0.\n\t *\t\tdivElement.offsetToIndex( 1 ); // Returns 0, because `textNode` has `offsetSize` equal to 3, so it occupies offset 1 too.\n\t *\t\tdivElement.offsetToIndex( 2 ); // Returns 0.\n\t *\t\tdivElement.offsetToIndex( 3 ); // Returns 1.\n\t *\t\tdivElement.offsetToIndex( 4 ); // Returns 2. There are no nodes at offset 4, so last available index is returned.\n\t *\n\t * @param {Number} offset Offset to look for.\n\t * @returns {Number}\n\t */\n\toffsetToIndex( offset ) {\n\t\treturn this._children.offsetToIndex( offset );\n\t}\n\n\t/**\n\t * Returns a descendant node by its path relative to this element.\n\t *\n\t *\t\t// <this>a<b>c</b></this>\n\t *\t\tthis.getNodeByPath( [ 0 ] );     // -> \"a\"\n\t *\t\tthis.getNodeByPath( [ 1 ] );     // -> <b>\n\t *\t\tthis.getNodeByPath( [ 1, 0 ] );  // -> \"c\"\n\t *\n\t * @param {Array.<Number>} relativePath Path of the node to find, relative to this element.\n\t * @returns {module:engine/model/node~Node}\n\t */\n\tgetNodeByPath( relativePath ) {\n\t\tlet node = this; // eslint-disable-line consistent-this\n\n\t\tfor ( const index of relativePath ) {\n\t\t\tnode = node.getChild( node.offsetToIndex( index ) );\n\t\t}\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Returns the parent element of the given name. Returns null if the element is not inside the desired parent.\n\t *\n\t * @param {String} parentName The name of the parent element to find.\n\t * @param {Object} [options] Options object.\n\t * @param {Boolean} [options.includeSelf=false] When set to `true` this node will be also included while searching.\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tfindAncestor( parentName, options = { includeSelf: false } ) {\n\t\tlet parent = options.includeSelf ? this : this.parent;\n\n\t\twhile ( parent ) {\n\t\t\tif ( parent.name === parentName ) {\n\t\t\t\treturn parent;\n\t\t\t}\n\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Converts `Element` instance to plain object and returns it. Takes care of converting all of this element's children.\n\t *\n\t * @returns {Object} `Element` instance converted to plain object.\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.name = this.name;\n\n\t\tif ( this._children.length > 0 ) {\n\t\t\tjson.children = [];\n\n\t\t\tfor ( const node of this._children ) {\n\t\t\t\tjson.children.push( node.toJSON() );\n\t\t\t}\n\t\t}\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Creates a copy of this element and returns it. Created element has the same name and attributes as the original element.\n\t * If clone is deep, the original element's children are also cloned. If not, then empty element is returned.\n\t *\n\t * @protected\n\t * @param {Boolean} [deep=false] If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any child.\n\t */\n\t_clone( deep = false ) {\n\t\tconst children = deep ? Array.from( this._children ).map( node => node._clone( true ) ) : null;\n\n\t\treturn new Element( this.name, this.getAttributes(), children );\n\t}\n\n\t/**\n\t * {@link module:engine/model/element~Element#_insertChild Inserts} one or more nodes at the end of this element.\n\t *\n\t * @see module:engine/model/writer~Writer#append\n\t * @protected\n\t * @param {module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>} nodes Nodes to be inserted.\n\t */\n\t_appendChild( nodes ) {\n\t\tthis._insertChild( this.childCount, nodes );\n\t}\n\n\t/**\n\t * Inserts one or more nodes at the given index and sets {@link module:engine/model/node~Node#parent parent} of these nodes\n\t * to this element.\n\t *\n\t * @see module:engine/model/writer~Writer#insert\n\t * @protected\n\t * @param {Number} index Index at which nodes should be inserted.\n\t * @param {module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>} items Items to be inserted.\n\t */\n\t_insertChild( index, items ) {\n\t\tconst nodes = normalize( items );\n\n\t\tfor ( const node of nodes ) {\n\t\t\t// If node that is being added to this element is already inside another element, first remove it from the old parent.\n\t\t\tif ( node.parent !== null ) {\n\t\t\t\tnode._remove();\n\t\t\t}\n\n\t\t\tnode.parent = this;\n\t\t}\n\n\t\tthis._children._insertNodes( index, nodes );\n\t}\n\n\t/**\n\t * Removes one or more nodes starting at the given index and sets\n\t * {@link module:engine/model/node~Node#parent parent} of these nodes to `null`.\n\t *\n\t * @see module:engine/model/writer~Writer#remove\n\t * @protected\n\t * @param {Number} index Index of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @returns {Array.<module:engine/model/node~Node>} Array containing removed nodes.\n\t */\n\t_removeChildren( index, howMany = 1 ) {\n\t\tconst nodes = this._children._removeNodes( index, howMany );\n\n\t\tfor ( const node of nodes ) {\n\t\t\tnode.parent = null;\n\t\t}\n\n\t\treturn nodes;\n\t}\n\n\t/**\n\t * Creates an `Element` instance from given plain object (i.e. parsed JSON string).\n\t * Converts `Element` children to proper nodes.\n\t *\n\t * @param {Object} json Plain object to be converted to `Element`.\n\t * @returns {module:engine/model/element~Element} `Element` instance created using given plain object.\n\t */\n\tstatic fromJSON( json ) {\n\t\tlet children = null;\n\n\t\tif ( json.children ) {\n\t\t\tchildren = [];\n\n\t\t\tfor ( const child of json.children ) {\n\t\t\t\tif ( child.name ) {\n\t\t\t\t\t// If child has name property, it is an Element.\n\t\t\t\t\tchildren.push( Element.fromJSON( child ) );\n\t\t\t\t} else {\n\t\t\t\t\t// Otherwise, it is a Text node.\n\t\t\t\t\tchildren.push( Text.fromJSON( child ) );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn new Element( json.name, json.attributes, children );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `<${ this.rootName || this.name }>`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelElement: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logExtended() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( `ModelElement: ${ this }, ${ this.childCount } children,\n\t// @if CK_DEBUG_ENGINE //\t\tattrs: ${ convertMapToStringifiedObject( this.getAttributes() ) }` );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logAll() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( '--------------------' );\n\t// @if CK_DEBUG_ENGINE //\n\t// @if CK_DEBUG_ENGINE // \tthis.logExtended();\n\t// @if CK_DEBUG_ENGINE //\tconsole.log( 'List of children:' );\n\t// @if CK_DEBUG_ENGINE //\n\t// @if CK_DEBUG_ENGINE // \tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE // \t\tchild.log();\n\t// @if CK_DEBUG_ENGINE // \t}\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // printTree( level = 0) {\n\t// @if CK_DEBUG_ENGINE // \tlet string = '';\n\n\t// @if CK_DEBUG_ENGINE // \tstring += '\\t'.repeat( level );\n\t// @if CK_DEBUG_ENGINE // \tstring += `<${ this.rootName || this.name }${ convertMapToTags( this.getAttributes() ) }>`;\n\n\t// @if CK_DEBUG_ENGINE // \tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE // \t\tstring += '\\n';\n\n\t// @if CK_DEBUG_ENGINE // \t\tif ( child.is( '$text' ) ) {\n\t// @if CK_DEBUG_ENGINE // \t\t\tconst textAttrs = convertMapToTags( child._attrs );\n\n\t// @if CK_DEBUG_ENGINE // \t\t\tstring += '\\t'.repeat( level + 1 );\n\n\t// @if CK_DEBUG_ENGINE // \t\t\tif ( textAttrs !== '' ) {\n\t// @if CK_DEBUG_ENGINE // \t\t\t\tstring += `<$text${ textAttrs }>` + child.data + '</$text>';\n\t// @if CK_DEBUG_ENGINE // \t\t\t} else {\n\t// @if CK_DEBUG_ENGINE // \t\t\t\tstring += child.data;\n\t// @if CK_DEBUG_ENGINE // \t\t\t}\n\t// @if CK_DEBUG_ENGINE // \t\t} else {\n\t// @if CK_DEBUG_ENGINE // \t\t\tstring += child.printTree( level + 1 );\n\t// @if CK_DEBUG_ENGINE // \t\t}\n\t// @if CK_DEBUG_ENGINE // \t}\n\n\t// @if CK_DEBUG_ENGINE // \tif ( this.childCount ) {\n\t// @if CK_DEBUG_ENGINE // \t\tstring += '\\n' + '\\t'.repeat( level );\n\t// @if CK_DEBUG_ENGINE // \t}\n\n\t// @if CK_DEBUG_ENGINE // \tstring += `</${ this.rootName || this.name }>`;\n\n\t// @if CK_DEBUG_ENGINE // \treturn string;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logTree() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.printTree() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n// Converts strings to Text and non-iterables to arrays.\n//\n// @param {String|module:engine/model/item~Item|Iterable.<String|module:engine/model/item~Item>}\n// @returns {Iterable.<module:engine/model/node~Node>}\nfunction normalize( nodes ) {\n\t// Separate condition because string is iterable.\n\tif ( typeof nodes == 'string' ) {\n\t\treturn [ new Text( nodes ) ];\n\t}\n\n\tif ( !isIterable( nodes ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Array.from to enable .map() on non-arrays.\n\treturn Array.from( nodes )\n\t\t.map( node => {\n\t\t\tif ( typeof node == 'string' ) {\n\t\t\t\treturn new Text( node );\n\t\t\t}\n\n\t\t\tif ( node instanceof TextProxy ) {\n\t\t\t\treturn new Text( node.data, node.getAttributes() );\n\t\t\t}\n\n\t\t\treturn node;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/treewalker\n */\n\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport Element from './element';\nimport {\n\tdefault as Position,\n\tgetTextNodeAtPosition,\n\tgetNodeAfterPosition,\n\tgetNodeBeforePosition\n} from './position';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Position iterator class. It allows to iterate forward and backward over the document.\n */\nexport default class TreeWalker {\n\t/**\n\t * Creates a range iterator. All parameters are optional, but you have to specify either `boundaries` or `startPosition`.\n\t *\n\t * @constructor\n\t * @param {Object} [options={}] Object with configuration.\n\t * @param {'forward'|'backward'} [options.direction='forward'] Walking direction.\n\t * @param {module:engine/model/range~Range} [options.boundaries=null] Range to define boundaries of the iterator.\n\t * @param {module:engine/model/position~Position} [options.startPosition] Starting position.\n\t * @param {Boolean} [options.singleCharacters=false] Flag indicating whether all consecutive characters with the same attributes\n\t * should be returned one by one as multiple {@link module:engine/model/textproxy~TextProxy} (`true`) objects or as one\n\t * {@link module:engine/model/textproxy~TextProxy} (`false`).\n\t * @param {Boolean} [options.shallow=false] Flag indicating whether iterator should enter elements or not. If the\n\t * iterator is shallow child nodes of any iterated node will not be returned along with `elementEnd` tag.\n\t * @param {Boolean} [options.ignoreElementEnd=false] Flag indicating whether iterator should ignore `elementEnd`\n\t * tags. If the option is true walker will not return a parent node of start position. If this option is `true`\n\t * each {@link module:engine/model/element~Element} will be returned once, while if the option is `false` they might be returned\n\t * twice: for `'elementStart'` and `'elementEnd'`.\n\t */\n\tconstructor( options = {} ) {\n\t\tif ( !options.boundaries && !options.startPosition ) {\n\t\t\t/**\n\t\t\t * Neither boundaries nor starting position of a `TreeWalker` have been defined.\n\t\t\t *\n\t\t\t * @error model-tree-walker-no-start-position\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-tree-walker-no-start-position',\n\t\t\t\tnull\n\t\t\t);\n\t\t}\n\n\t\tconst direction = options.direction || 'forward';\n\n\t\tif ( direction != 'forward' && direction != 'backward' ) {\n\t\t\t/**\n\t\t\t * Only `backward` and `forward` direction allowed.\n\t\t\t *\n\t\t\t * @error model-tree-walker-unknown-direction\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-tree-walker-unknown-direction', options, { direction } );\n\t\t}\n\n\t\t/**\n\t\t * Walking direction. Defaults `'forward'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'backward'|'forward'} module:engine/model/treewalker~TreeWalker#direction\n\t\t */\n\t\tthis.direction = direction;\n\n\t\t/**\n\t\t * Iterator boundaries.\n\t\t *\n\t\t * When the iterator is walking `'forward'` on the end of boundary or is walking `'backward'`\n\t\t * on the start of boundary, then `{ done: true }` is returned.\n\t\t *\n\t\t * If boundaries are not defined they are set before first and after last child of the root node.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/range~Range} module:engine/model/treewalker~TreeWalker#boundaries\n\t\t */\n\t\tthis.boundaries = options.boundaries || null;\n\n\t\t/**\n\t\t * Iterator position. This is always static position, even if the initial position was a\n\t\t * {@link module:engine/model/liveposition~LivePosition live position}. If start position is not defined then position depends\n\t\t * on {@link #direction}. If direction is `'forward'` position starts form the beginning, when direction\n\t\t * is `'backward'` position starts from the end.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/position~Position} module:engine/model/treewalker~TreeWalker#position\n\t\t */\n\t\tif ( options.startPosition ) {\n\t\t\tthis.position = options.startPosition.clone();\n\t\t} else {\n\t\t\tthis.position = Position._createAt( this.boundaries[ this.direction == 'backward' ? 'end' : 'start' ] );\n\t\t}\n\n\t\t// Reset position stickiness in case it was set to other value, as the stickiness is kept after cloning.\n\t\tthis.position.stickiness = 'toNone';\n\n\t\t/**\n\t\t * Flag indicating whether all consecutive characters with the same attributes should be\n\t\t * returned as one {@link module:engine/model/textproxy~TextProxy} (`true`) or one by one (`false`).\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/model/treewalker~TreeWalker#singleCharacters\n\t\t */\n\t\tthis.singleCharacters = !!options.singleCharacters;\n\n\t\t/**\n\t\t * Flag indicating whether iterator should enter elements or not. If the iterator is shallow child nodes of any\n\t\t * iterated node will not be returned along with `elementEnd` tag.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/model/treewalker~TreeWalker#shallow\n\t\t */\n\t\tthis.shallow = !!options.shallow;\n\n\t\t/**\n\t\t * Flag indicating whether iterator should ignore `elementEnd` tags. If the option is true walker will not\n\t\t * return a parent node of the start position. If this option is `true` each {@link module:engine/model/element~Element} will\n\t\t * be returned once, while if the option is `false` they might be returned twice:\n\t\t * for `'elementStart'` and `'elementEnd'`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:engine/model/treewalker~TreeWalker#ignoreElementEnd\n\t\t */\n\t\tthis.ignoreElementEnd = !!options.ignoreElementEnd;\n\n\t\t/**\n\t\t * Start boundary cached for optimization purposes.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/element~Element} module:engine/model/treewalker~TreeWalker#_boundaryStartParent\n\t\t */\n\t\tthis._boundaryStartParent = this.boundaries ? this.boundaries.start.parent : null;\n\n\t\t/**\n\t\t * End boundary cached for optimization purposes.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/element~Element} module:engine/model/treewalker~TreeWalker#_boundaryEndParent\n\t\t */\n\t\tthis._boundaryEndParent = this.boundaries ? this.boundaries.end.parent : null;\n\n\t\t/**\n\t\t * Parent of the most recently visited node. Cached for optimization purposes.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment}\n\t\t * module:engine/model/treewalker~TreeWalker#_visitedParent\n\t\t */\n\t\tthis._visitedParent = this.position.parent;\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<module:engine/model/treewalker~TreeWalkerValue>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Moves {@link #position} in the {@link #direction} skipping values as long as the callback function returns `true`.\n\t *\n\t * For example:\n\t *\n\t * \t\twalker.skip( value => value.type == 'text' ); // <paragraph>[]foo</paragraph> -> <paragraph>foo[]</paragraph>\n\t * \t\twalker.skip( () => true ); // Move the position to the end: <paragraph>[]foo</paragraph> -> <paragraph>foo</paragraph>[]\n\t * \t\twalker.skip( () => false ); // Do not move the position.\n\t *\n\t * @param {Function} skip Callback function. Gets {@link module:engine/model/treewalker~TreeWalkerValue} and should\n\t * return `true` if the value should be skipped or `false` if not.\n\t */\n\tskip( skip ) {\n\t\tlet done, value, prevPosition, prevVisitedParent;\n\n\t\tdo {\n\t\t\tprevPosition = this.position;\n\t\t\tprevVisitedParent = this._visitedParent;\n\n\t\t\t( { done, value } = this.next() );\n\t\t} while ( !done && skip( value ) );\n\n\t\tif ( !done ) {\n\t\t\tthis.position = prevPosition;\n\t\t\tthis._visitedParent = prevVisitedParent;\n\t\t}\n\t}\n\n\t/**\n\t * Gets the next tree walker's value.\n\t *\n\t * @returns {module:engine/model/treewalker~TreeWalkerValue} Next tree walker's value.\n\t */\n\tnext() {\n\t\tif ( this.direction == 'forward' ) {\n\t\t\treturn this._next();\n\t\t} else {\n\t\t\treturn this._previous();\n\t\t}\n\t}\n\n\t/**\n\t * Makes a step forward in model. Moves the {@link #position} to the next position and returns the encountered value.\n\t *\n\t * @private\n\t * @returns {Object}\n\t * @returns {Boolean} return.done True if iterator is done.\n\t * @returns {module:engine/model/treewalker~TreeWalkerValue} return.value Information about taken step.\n\t */\n\t_next() {\n\t\tconst previousPosition = this.position;\n\t\tconst position = this.position.clone();\n\t\tconst parent = this._visitedParent;\n\n\t\t// We are at the end of the root.\n\t\tif ( parent.parent === null && position.offset === parent.maxOffset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We reached the walker boundary.\n\t\tif ( parent === this._boundaryEndParent && position.offset == this.boundaries.end.offset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// Get node just after the current position.\n\t\t// Use a highly optimized version instead of checking the text node first and then getting the node after. See #6582.\n\t\tconst positionParent = position.parent;\n\t\tconst textNodeAtPosition = getTextNodeAtPosition( position, positionParent );\n\t\tconst node = textNodeAtPosition ? textNodeAtPosition : getNodeAfterPosition( position, positionParent, textNodeAtPosition );\n\n\t\tif ( node instanceof Element ) {\n\t\t\tif ( !this.shallow ) {\n\t\t\t\t// Manual operations on path internals for optimization purposes. Here and in the rest of the method.\n\t\t\t\tposition.path.push( 0 );\n\t\t\t\tthis._visitedParent = node;\n\t\t\t} else {\n\t\t\t\tposition.offset++;\n\t\t\t}\n\n\t\t\tthis.position = position;\n\n\t\t\treturn formatReturnValue( 'elementStart', node, previousPosition, position, 1 );\n\t\t} else if ( node instanceof Text ) {\n\t\t\tlet charactersCount;\n\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\tcharactersCount = 1;\n\t\t\t} else {\n\t\t\t\tlet offset = node.endOffset;\n\n\t\t\t\tif ( this._boundaryEndParent == parent && this.boundaries.end.offset < offset ) {\n\t\t\t\t\toffset = this.boundaries.end.offset;\n\t\t\t\t}\n\n\t\t\t\tcharactersCount = offset - position.offset;\n\t\t\t}\n\n\t\t\tconst offsetInTextNode = position.offset - node.startOffset;\n\t\t\tconst item = new TextProxy( node, offsetInTextNode, charactersCount );\n\n\t\t\tposition.offset += charactersCount;\n\t\t\tthis.position = position;\n\n\t\t\treturn formatReturnValue( 'text', item, previousPosition, position, charactersCount );\n\t\t} else {\n\t\t\t// `node` is not set, we reached the end of current `parent`.\n\t\t\tposition.path.pop();\n\t\t\tposition.offset++;\n\t\t\tthis.position = position;\n\t\t\tthis._visitedParent = parent.parent;\n\n\t\t\tif ( this.ignoreElementEnd ) {\n\t\t\t\treturn this._next();\n\t\t\t} else {\n\t\t\t\treturn formatReturnValue( 'elementEnd', parent, previousPosition, position );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Makes a step backward in model. Moves the {@link #position} to the previous position and returns the encountered value.\n\t *\n\t * @private\n\t * @returns {Object}\n\t * @returns {Boolean} return.done True if iterator is done.\n\t * @returns {module:engine/model/treewalker~TreeWalkerValue} return.value Information about taken step.\n\t */\n\t_previous() {\n\t\tconst previousPosition = this.position;\n\t\tconst position = this.position.clone();\n\t\tconst parent = this._visitedParent;\n\n\t\t// We are at the beginning of the root.\n\t\tif ( parent.parent === null && position.offset === 0 ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We reached the walker boundary.\n\t\tif ( parent == this._boundaryStartParent && position.offset == this.boundaries.start.offset ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// Get node just before the current position.\n\t\t// Use a highly optimized version instead of checking the text node first and then getting the node before. See #6582.\n\t\tconst positionParent = position.parent;\n\t\tconst textNodeAtPosition = getTextNodeAtPosition( position, positionParent );\n\t\tconst node = textNodeAtPosition ? textNodeAtPosition : getNodeBeforePosition( position, positionParent, textNodeAtPosition );\n\n\t\tif ( node instanceof Element ) {\n\t\t\tposition.offset--;\n\n\t\t\tif ( !this.shallow ) {\n\t\t\t\tposition.path.push( node.maxOffset );\n\t\t\t\tthis.position = position;\n\t\t\t\tthis._visitedParent = node;\n\n\t\t\t\tif ( this.ignoreElementEnd ) {\n\t\t\t\t\treturn this._previous();\n\t\t\t\t} else {\n\t\t\t\t\treturn formatReturnValue( 'elementEnd', node, previousPosition, position );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tthis.position = position;\n\n\t\t\t\treturn formatReturnValue( 'elementStart', node, previousPosition, position, 1 );\n\t\t\t}\n\t\t} else if ( node instanceof Text ) {\n\t\t\tlet charactersCount;\n\n\t\t\tif ( this.singleCharacters ) {\n\t\t\t\tcharactersCount = 1;\n\t\t\t} else {\n\t\t\t\tlet offset = node.startOffset;\n\n\t\t\t\tif ( this._boundaryStartParent == parent && this.boundaries.start.offset > offset ) {\n\t\t\t\t\toffset = this.boundaries.start.offset;\n\t\t\t\t}\n\n\t\t\t\tcharactersCount = position.offset - offset;\n\t\t\t}\n\n\t\t\tconst offsetInTextNode = position.offset - node.startOffset;\n\t\t\tconst item = new TextProxy( node, offsetInTextNode - charactersCount, charactersCount );\n\n\t\t\tposition.offset -= charactersCount;\n\t\t\tthis.position = position;\n\n\t\t\treturn formatReturnValue( 'text', item, previousPosition, position, charactersCount );\n\t\t} else {\n\t\t\t// `node` is not set, we reached the beginning of current `parent`.\n\t\t\tposition.path.pop();\n\t\t\tthis.position = position;\n\t\t\tthis._visitedParent = parent.parent;\n\n\t\t\treturn formatReturnValue( 'elementStart', parent, previousPosition, position, 1 );\n\t\t}\n\t}\n}\n\nfunction formatReturnValue( type, item, previousPosition, nextPosition, length ) {\n\treturn {\n\t\tdone: false,\n\t\tvalue: {\n\t\t\ttype,\n\t\t\titem,\n\t\t\tpreviousPosition,\n\t\t\tnextPosition,\n\t\t\tlength\n\t\t}\n\t};\n}\n\n/**\n * Type of the step made by {@link module:engine/model/treewalker~TreeWalker}.\n * Possible values: `'elementStart'` if walker is at the beginning of a node, `'elementEnd'` if walker is at the end of node,\n * or `'text'` if walker traversed over text.\n *\n * @typedef {'elementStart'|'elementEnd'|'text'} module:engine/model/treewalker~TreeWalkerValueType\n */\n\n/**\n * Object returned by {@link module:engine/model/treewalker~TreeWalker} when traversing tree model.\n *\n * @typedef {Object} module:engine/model/treewalker~TreeWalkerValue\n * @property {module:engine/model/treewalker~TreeWalkerValueType} type\n * @property {module:engine/model/item~Item} item Item between old and new positions of {@link module:engine/model/treewalker~TreeWalker}.\n * @property {module:engine/model/position~Position} previousPosition Previous position of the iterator.\n * * Forward iteration: For `'elementEnd'` it is the last position inside the element. For all other types it is the\n * position before the item.\n * * Backward iteration: For `'elementStart'` it is the first position inside the element. For all other types it is\n * the position after item.\n * @property {module:engine/model/position~Position} nextPosition Next position of the iterator.\n * * Forward iteration: For `'elementStart'` it is the first position inside the element. For all other types it is\n * the position after the item.\n * * Backward iteration: For `'elementEnd'` it is last position inside element. For all other types it is the position\n * before the item.\n * @property {Number} [length] Length of the item. For `'elementStart'` it is 1. For `'text'` it is\n * the length of the text. For `'elementEnd'` it is `undefined`.\n */\n\n/**\n * Tree walking directions.\n *\n * @typedef {'forward'|'backward'} module:engine/model/treewalker~TreeWalkerDirection\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/position\n */\n\nimport TreeWalker from './treewalker';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// To check if component is loaded more than once.\nimport '@ckeditor/ckeditor5-utils/src/version';\n\n/**\n * Represents a position in the model tree.\n *\n * A position is represented by its {@link module:engine/model/position~Position#root} and\n * a {@link module:engine/model/position~Position#path} in that root.\n *\n * You can create position instances via its constructor or the `createPosition*()` factory methods of\n * {@link module:engine/model/model~Model} and {@link module:engine/model/writer~Writer}.\n *\n * **Note:** Position is based on offsets, not indexes. This means that a position between two text nodes\n * `foo` and `bar` has offset `3`, not `1`. See {@link module:engine/model/position~Position#path} for more information.\n *\n * Since a position in the model is represented by a {@link module:engine/model/position~Position#root position root} and\n * {@link module:engine/model/position~Position#path position path} it is possible to create positions placed in non-existing places.\n * This requirement is important for operational transformation algorithms.\n *\n * Also, {@link module:engine/model/operation/operation~Operation operations}\n * kept in the {@link module:engine/model/document~Document#history document history}\n * are storing positions (and ranges) which were correct when those operations were applied, but may not be correct\n * after the document has changed.\n *\n * When changes are applied to the model, it may also happen that {@link module:engine/model/position~Position#parent position parent}\n * will change even if position path has not changed. Keep in mind, that if a position leads to non-existing element,\n * {@link module:engine/model/position~Position#parent} and some other properties and methods will throw errors.\n *\n * In most cases, position with wrong path is caused by an error in code, but it is sometimes needed, as described above.\n */\nexport default class Position {\n\t/**\n\t * Creates a position.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} root Root of the position.\n\t * @param {Array.<Number>} path Position path. See {@link module:engine/model/position~Position#path}.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * See {@link module:engine/model/position~PositionStickiness}.\n\t */\n\tconstructor( root, path, stickiness = 'toNone' ) {\n\t\tif ( !root.is( 'element' ) && !root.is( 'documentFragment' ) ) {\n\t\t\t/**\n\t\t\t * Position root is invalid.\n\t\t\t *\n\t\t\t * Positions can only be anchored in elements or document fragments.\n\t\t\t *\n\t\t\t * @error model-position-root-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-root-invalid',\n\t\t\t\troot\n\t\t\t);\n\t\t}\n\n\t\tif ( !( path instanceof Array ) || path.length === 0 ) {\n\t\t\t/**\n\t\t\t * Position path must be an array with at least one item.\n\t\t\t *\n\t\t\t * @error model-position-path-incorrect-format\n\t\t\t * @param path\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-path-incorrect-format',\n\t\t\t\troot,\n\t\t\t\t{ path }\n\t\t\t);\n\t\t}\n\n\t\t// Normalize the root and path when element (not root) is passed.\n\t\tif ( root.is( 'rootElement' ) ) {\n\t\t\tpath = path.slice();\n\t\t} else {\n\t\t\tpath = [ ...root.getPath(), ...path ];\n\t\t\troot = root.root;\n\t\t}\n\n\t\t/**\n\t\t * Root of the position path.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment}\n\t\t * module:engine/model/position~Position#root\n\t\t */\n\t\tthis.root = root;\n\n\t\t/**\n\t\t * Position of the node in the tree. **Path contains offsets, not indexes.**\n\t\t *\n\t\t * Position can be placed before, after or in a {@link module:engine/model/node~Node node} if that node has\n\t\t * {@link module:engine/model/node~Node#offsetSize} greater than `1`. Items in position path are\n\t\t * {@link module:engine/model/node~Node#startOffset starting offsets} of position ancestors, starting from direct root children,\n\t\t * down to the position offset in it's parent.\n\t\t *\n\t\t *\t\t ROOT\n\t\t *\t\t  |- P            before: [ 0 ]         after: [ 1 ]\n\t\t *\t\t  |- UL           before: [ 1 ]         after: [ 2 ]\n\t\t *\t\t     |- LI        before: [ 1, 0 ]      after: [ 1, 1 ]\n\t\t *\t\t     |  |- foo    before: [ 1, 0, 0 ]   after: [ 1, 0, 3 ]\n\t\t *\t\t     |- LI        before: [ 1, 1 ]      after: [ 1, 2 ]\n\t\t *\t\t        |- bar    before: [ 1, 1, 0 ]   after: [ 1, 1, 3 ]\n\t\t *\n\t\t * `foo` and `bar` are representing {@link module:engine/model/text~Text text nodes}. Since text nodes has offset size\n\t\t * greater than `1` you can place position offset between their start and end:\n\t\t *\n\t\t *\t\t ROOT\n\t\t *\t\t  |- P\n\t\t *\t\t  |- UL\n\t\t *\t\t     |- LI\n\t\t *\t\t     |  |- f^o|o  ^ has path: [ 1, 0, 1 ]   | has path: [ 1, 0, 2 ]\n\t\t *\t\t     |- LI\n\t\t *\t\t        |- b^a|r  ^ has path: [ 1, 1, 1 ]   | has path: [ 1, 1, 2 ]\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<Number>} module:engine/model/position~Position#path\n\t\t */\n\t\tthis.path = path;\n\n\t\t/**\n\t\t * Position stickiness. See {@link module:engine/model/position~PositionStickiness}.\n\t\t *\n\t\t * @member {module:engine/model/position~PositionStickiness} module:engine/model/position~Position#stickiness\n\t\t */\n\t\tthis.stickiness = stickiness;\n\t}\n\n\t/**\n\t * Offset at which this position is located in its {@link module:engine/model/position~Position#parent parent}. It is equal\n\t * to the last item in position {@link module:engine/model/position~Position#path path}.\n\t *\n\t * @type {Number}\n\t */\n\tget offset() {\n\t\treturn this.path[ this.path.length - 1 ];\n\t}\n\n\tset offset( newOffset ) {\n\t\tthis.path[ this.path.length - 1 ] = newOffset;\n\t}\n\n\t/**\n\t * Parent element of this position.\n\t *\n\t * Keep in mind that `parent` value is calculated when the property is accessed.\n\t * If {@link module:engine/model/position~Position#path position path}\n\t * leads to a non-existing element, `parent` property will throw error.\n\t *\n\t * Also it is a good idea to cache `parent` property if it is used frequently in an algorithm (i.e. in a long loop).\n\t *\n\t * @readonly\n\t * @type {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget parent() {\n\t\tlet parent = this.root;\n\n\t\tfor ( let i = 0; i < this.path.length - 1; i++ ) {\n\t\t\tparent = parent.getChild( parent.offsetToIndex( this.path[ i ] ) );\n\n\t\t\tif ( !parent ) {\n\t\t\t\t/**\n\t\t\t\t * The position's path is incorrect. This means that a position does not point to\n\t\t\t\t * a correct place in the tree and hence, some of its methods and getters cannot work correctly.\n\t\t\t\t *\n\t\t\t\t * **Note**: Unlike DOM and view positions, in the model, the\n\t\t\t\t * {@link module:engine/model/position~Position#parent position's parent} is always an element or a document fragment.\n\t\t\t\t * The last offset in the {@link module:engine/model/position~Position#path position's path} is the point in this element\n\t\t\t\t * where this position points.\n\t\t\t\t *\n\t\t\t\t * Read more about model positions and offsets in\n\t\t\t\t * the {@glink framework/guides/architecture/editing-engine#indexes-and-offsets Editing engine architecture guide}.\n\t\t\t\t *\n\t\t\t\t * @error model-position-path-incorrect\n\t\t\t\t * @param {module:engine/model/position~Position} position The incorrect position.\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-position-path-incorrect', this, { position: this } );\n\t\t\t}\n\t\t}\n\n\t\tif ( parent.is( '$text' ) ) {\n\t\t\tthrow new CKEditorError( 'model-position-path-incorrect', this, { position: this } );\n\t\t}\n\n\t\treturn parent;\n\t}\n\n\t/**\n\t * Position {@link module:engine/model/position~Position#offset offset} converted to an index in position's parent node. It is\n\t * equal to the {@link module:engine/model/node~Node#index index} of a node after this position. If position is placed\n\t * in text node, position index is equal to the index of that text node.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget index() {\n\t\treturn this.parent.offsetToIndex( this.offset );\n\t}\n\n\t/**\n\t * Returns {@link module:engine/model/text~Text text node} instance in which this position is placed or `null` if this\n\t * position is not in a text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/text~Text|null}\n\t */\n\tget textNode() {\n\t\treturn getTextNodeAtPosition( this, this.parent );\n\t}\n\n\t/**\n\t * Node directly after this position or `null` if this position is in text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|null}\n\t */\n\tget nodeAfter() {\n\t\t// Cache the parent and reuse for performance reasons. See #6579 and #6582.\n\t\tconst parent = this.parent;\n\n\t\treturn getNodeAfterPosition( this, parent, getTextNodeAtPosition( this, parent ) );\n\t}\n\n\t/**\n\t * Node directly before this position or `null` if this position is in text node.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/node~Node|null}\n\t */\n\tget nodeBefore() {\n\t\t// Cache the parent and reuse for performance reasons. See #6579 and #6582.\n\t\tconst parent = this.parent;\n\n\t\treturn getNodeBeforePosition( this, parent, getTextNodeAtPosition( this, parent ) );\n\t}\n\n\t/**\n\t * Is `true` if position is at the beginning of its {@link module:engine/model/position~Position#parent parent}, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAtStart() {\n\t\treturn this.offset === 0;\n\t}\n\n\t/**\n\t * Is `true` if position is at the end of its {@link module:engine/model/position~Position#parent parent}, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isAtEnd() {\n\t\treturn this.offset == this.parent.maxOffset;\n\t}\n\n\t/**\n\t * Checks whether this position is before or after given position.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {module:engine/model/position~PositionRelation}\n\t */\n\tcompareWith( otherPosition ) {\n\t\tif ( this.root != otherPosition.root ) {\n\t\t\treturn 'different';\n\t\t}\n\n\t\tconst result = compareArrays( this.path, otherPosition.path );\n\n\t\tswitch ( result ) {\n\t\t\tcase 'same':\n\t\t\t\treturn 'same';\n\n\t\t\tcase 'prefix':\n\t\t\t\treturn 'before';\n\n\t\t\tcase 'extension':\n\t\t\t\treturn 'after';\n\n\t\t\tdefault:\n\t\t\t\treturn this.path[ result ] < otherPosition.path[ result ] ? 'before' : 'after';\n\t\t}\n\t}\n\n\t/**\n\t * Gets the farthest position which matches the callback using\n\t * {@link module:engine/model/treewalker~TreeWalker TreeWalker}.\n\t *\n\t * For example:\n\t *\n\t * \t\tgetLastMatchingPosition( value => value.type == 'text' );\n\t * \t\t// <paragraph>[]foo</paragraph> -> <paragraph>foo[]</paragraph>\n\t *\n\t * \t\tgetLastMatchingPosition( value => value.type == 'text', { direction: 'backward' } );\n\t * \t\t// <paragraph>foo[]</paragraph> -> <paragraph>[]foo</paragraph>\n\t *\n\t * \t\tgetLastMatchingPosition( value => false );\n\t * \t\t// Do not move the position.\n\t *\n\t * @param {Function} skip Callback function. Gets {@link module:engine/model/treewalker~TreeWalkerValue} and should\n\t * return `true` if the value should be skipped or `false` if not.\n\t * @param {Object} options Object with configuration options. See {@link module:engine/model/treewalker~TreeWalker}.\n\t *\n\t * @returns {module:engine/model/position~Position} The position after the last item which matches the `skip` callback test.\n\t */\n\tgetLastMatchingPosition( skip, options = {} ) {\n\t\toptions.startPosition = this;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\t\ttreeWalker.skip( skip );\n\n\t\treturn treeWalker.position;\n\t}\n\n\t/**\n\t * Returns a path to this position's parent. Parent path is equal to position {@link module:engine/model/position~Position#path path}\n\t * but without the last item.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @returns {Array.<Number>} Path to the parent.\n\t */\n\tgetParentPath() {\n\t\treturn this.path.slice( 0, -1 );\n\t}\n\n\t/**\n\t * Returns ancestors array of this position, that is this position's parent and its ancestors.\n\t *\n\t * @returns {Array.<module:engine/model/item~Item>} Array with ancestors.\n\t */\n\tgetAncestors() {\n\t\tconst parent = this.parent;\n\n\t\tif ( parent.is( 'documentFragment' ) ) {\n\t\t\treturn [ parent ];\n\t\t} else {\n\t\t\treturn parent.getAncestors( { includeSelf: true } );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the parent element of the given name. Returns null if the position is not inside the desired parent.\n\t *\n\t * @param {String} parentName The name of the parent element to find.\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tfindAncestor( parentName ) {\n\t\tconst parent = this.parent;\n\n\t\tif ( parent.is( 'element' ) ) {\n\t\t\treturn parent.findAncestor( parentName, { includeSelf: true } );\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns the slice of two position {@link #path paths} which is identical. The {@link #root roots}\n\t * of these two paths must be identical.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} position The second position.\n\t * @returns {Array.<Number>} The common path.\n\t */\n\tgetCommonPath( position ) {\n\t\tif ( this.root != position.root ) {\n\t\t\treturn [];\n\t\t}\n\n\t\t// We find on which tree-level start and end have the lowest common ancestor\n\t\tconst cmp = compareArrays( this.path, position.path );\n\t\t// If comparison returned string it means that arrays are same.\n\t\tconst diffAt = ( typeof cmp == 'string' ) ? Math.min( this.path.length, position.path.length ) : cmp;\n\n\t\treturn this.path.slice( 0, diffAt );\n\t}\n\n\t/**\n\t * Returns an {@link module:engine/model/element~Element} or {@link module:engine/model/documentfragment~DocumentFragment}\n\t * which is a common ancestor of both positions. The {@link #root roots} of these two positions must be identical.\n\t *\n\t * @param {module:engine/model/position~Position} position The second position.\n\t * @returns {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor( position ) {\n\t\tconst ancestorsA = this.getAncestors();\n\t\tconst ancestorsB = position.getAncestors();\n\n\t\tlet i = 0;\n\n\t\twhile ( ancestorsA[ i ] == ancestorsB[ i ] && ancestorsA[ i ] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i === 0 ? null : ancestorsA[ i - 1 ];\n\t}\n\n\t/**\n\t * Returns a new instance of `Position`, that has same {@link #parent parent} but it's offset\n\t * is shifted by `shift` value (can be a negative value).\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {Number} shift Offset shift. Can be a negative value.\n\t * @returns {module:engine/model/position~Position} Shifted position.\n\t */\n\tgetShiftedBy( shift ) {\n\t\tconst shifted = this.clone();\n\n\t\tconst offset = shifted.offset + shift;\n\t\tshifted.offset = offset < 0 ? 0 : offset;\n\n\t\treturn shifted;\n\t}\n\n\t/**\n\t * Checks whether this position is after given position.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @see module:engine/model/position~Position#isBefore\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if this position is after given position.\n\t */\n\tisAfter( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'after';\n\t}\n\n\t/**\n\t * Checks whether this position is before given position.\n\t *\n\t * **Note:** watch out when using negation of the value returned by this method, because the negation will also\n\t * be `true` if positions are in different roots and you might not expect this. You should probably use\n\t * `a.isAfter( b ) || a.isEqual( b )` or `!a.isBefore( p ) && a.root == b.root` in most scenarios. If your\n\t * condition uses multiple `isAfter` and `isBefore` checks, build them so they do not use negated values, i.e.:\n\t *\n\t *\t\tif ( a.isBefore( b ) && c.isAfter( d ) ) {\n\t *\t\t\t// do A.\n\t *\t\t} else {\n\t *\t\t\t// do B.\n\t *\t\t}\n\t *\n\t * or, if you have only one if-branch:\n\t *\n\t *\t\tif ( !( a.isBefore( b ) && c.isAfter( d ) ) {\n\t *\t\t\t// do B.\n\t *\t\t}\n\t *\n\t * rather than:\n\t *\n\t *\t\tif ( !a.isBefore( b ) || && !c.isAfter( d ) ) {\n\t *\t\t\t// do B.\n\t *\t\t} else {\n\t *\t\t\t// do A.\n\t *\t\t}\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if this position is before given position.\n\t */\n\tisBefore( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'before';\n\t}\n\n\t/**\n\t * Checks whether this position is equal to given position.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if positions are same.\n\t */\n\tisEqual( otherPosition ) {\n\t\treturn this.compareWith( otherPosition ) == 'same';\n\t}\n\n\t/**\n\t * Checks whether this position is touching given position. Positions touch when there are no text nodes\n\t * or empty nodes in a range between them. Technically, those positions are not equal but in many cases\n\t * they are very similar or even indistinguishable.\n\t *\n\t * @param {module:engine/model/position~Position} otherPosition Position to compare with.\n\t * @returns {Boolean} True if positions touch.\n\t */\n\tisTouching( otherPosition ) {\n\t\tlet left = null;\n\t\tlet right = null;\n\t\tconst compare = this.compareWith( otherPosition );\n\n\t\tswitch ( compare ) {\n\t\t\tcase 'same':\n\t\t\t\treturn true;\n\n\t\t\tcase 'before':\n\t\t\t\tleft = Position._createAt( this );\n\t\t\t\tright = Position._createAt( otherPosition );\n\t\t\t\tbreak;\n\n\t\t\tcase 'after':\n\t\t\t\tleft = Position._createAt( otherPosition );\n\t\t\t\tright = Position._createAt( this );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\treturn false;\n\t\t}\n\n\t\t// Cached for optimization purposes.\n\t\tlet leftParent = left.parent;\n\n\t\twhile ( left.path.length + right.path.length ) {\n\t\t\tif ( left.isEqual( right ) ) {\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\tif ( left.path.length > right.path.length ) {\n\t\t\t\tif ( left.offset !== leftParent.maxOffset ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\tleft.path = left.path.slice( 0, -1 );\n\t\t\t\tleftParent = leftParent.parent;\n\t\t\t\tleft.offset++;\n\t\t\t} else {\n\t\t\t\tif ( right.offset !== 0 ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\tright.path = right.path.slice( 0, -1 );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tposition.is( 'position' ); // -> true\n\t *\t\tposition.is( 'model:position' ); // -> true\n\t *\n\t *\t\tposition.is( 'view:position' ); // -> false\n\t *\t\tposition.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'position' || type === 'model:position';\n\t}\n\n\t/**\n\t * Checks if two positions are in the same parent.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/position~Position} position Position to compare with.\n\t * @returns {Boolean} `true` if positions have the same parent, `false` otherwise.\n\t */\n\thasSameParentAs( position ) {\n\t\tif ( this.root !== position.root ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst thisParentPath = this.getParentPath();\n\t\tconst posParentPath = position.getParentPath();\n\n\t\treturn compareArrays( thisParentPath, posParentPath ) == 'same';\n\t}\n\n\t/**\n\t * Returns a copy of this position that is transformed by given `operation`.\n\t *\n\t * The new position's parameters are updated accordingly to the effect of the `operation`.\n\t *\n\t * For example, if `n` nodes are inserted before the position, the returned position {@link ~Position#offset} will be\n\t * increased by `n`. If the position was in a merged element, it will be accordingly moved to the new element, etc.\n\t *\n\t * This method is safe to use it on non-existing positions (for example during operational transformation).\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to transform by.\n\t * @returns {module:engine/model/position~Position} Transformed position.\n\t */\n\tgetTransformedByOperation( operation ) {\n\t\tlet result;\n\n\t\tswitch ( operation.type ) {\n\t\t\tcase 'insert':\n\t\t\t\tresult = this._getTransformedByInsertOperation( operation );\n\t\t\t\tbreak;\n\t\t\tcase 'move':\n\t\t\tcase 'remove':\n\t\t\tcase 'reinsert':\n\t\t\t\tresult = this._getTransformedByMoveOperation( operation );\n\t\t\t\tbreak;\n\t\t\tcase 'split':\n\t\t\t\tresult = this._getTransformedBySplitOperation( operation );\n\t\t\t\tbreak;\n\t\t\tcase 'merge':\n\t\t\t\tresult = this._getTransformedByMergeOperation( operation );\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tresult = Position._createAt( this );\n\t\t\t\tbreak;\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Returns a copy of this position transformed by an insert operation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/insertoperation~InsertOperation} operation\n\t * @returns {module:engine/model/position~Position}\n\t */\n\t_getTransformedByInsertOperation( operation ) {\n\t\treturn this._getTransformedByInsertion( operation.position, operation.howMany );\n\t}\n\n\t/**\n\t * Returns a copy of this position transformed by a move operation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/moveoperation~MoveOperation} operation\n\t * @returns {module:engine/model/position~Position}\n\t */\n\t_getTransformedByMoveOperation( operation ) {\n\t\treturn this._getTransformedByMove( operation.sourcePosition, operation.targetPosition, operation.howMany );\n\t}\n\n\t/**\n\t * Returns a copy of this position transformed by a split operation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/splitoperation~SplitOperation} operation\n\t * @returns {module:engine/model/position~Position}\n\t */\n\t_getTransformedBySplitOperation( operation ) {\n\t\tconst movedRange = operation.movedRange;\n\n\t\tconst isContained = movedRange.containsPosition( this ) ||\n\t\t\t( movedRange.start.isEqual( this ) && this.stickiness == 'toNext' );\n\n\t\tif ( isContained ) {\n\t\t\treturn this._getCombined( operation.splitPosition, operation.moveTargetPosition );\n\t\t} else {\n\t\t\tif ( operation.graveyardPosition ) {\n\t\t\t\treturn this._getTransformedByMove( operation.graveyardPosition, operation.insertionPosition, 1 );\n\t\t\t} else {\n\t\t\t\treturn this._getTransformedByInsertion( operation.insertionPosition, 1 );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns a copy of this position transformed by merge operation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/mergeoperation~MergeOperation} operation\n\t * @returns {module:engine/model/position~Position}\n\t */\n\t_getTransformedByMergeOperation( operation ) {\n\t\tconst movedRange = operation.movedRange;\n\t\tconst isContained = movedRange.containsPosition( this ) || movedRange.start.isEqual( this );\n\n\t\tlet pos;\n\n\t\tif ( isContained ) {\n\t\t\tpos = this._getCombined( operation.sourcePosition, operation.targetPosition );\n\n\t\t\tif ( operation.sourcePosition.isBefore( operation.targetPosition ) ) {\n\t\t\t\t// Above happens during OT when the merged element is moved before the merged-to element.\n\t\t\t\tpos = pos._getTransformedByDeletion( operation.deletionPosition, 1 );\n\t\t\t}\n\t\t} else if ( this.isEqual( operation.deletionPosition ) ) {\n\t\t\tpos = Position._createAt( operation.deletionPosition );\n\t\t} else {\n\t\t\tpos = this._getTransformedByMove( operation.deletionPosition, operation.graveyardPosition, 1 );\n\t\t}\n\n\t\treturn pos;\n\t}\n\n\t/**\n\t * Returns a copy of this position that is updated by removing `howMany` nodes starting from `deletePosition`.\n\t * It may happen that this position is in a removed node. If that is the case, `null` is returned instead.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} deletePosition Position before the first removed node.\n\t * @param {Number} howMany How many nodes are removed.\n\t * @returns {module:engine/model/position~Position|null} Transformed position or `null`.\n\t */\n\t_getTransformedByDeletion( deletePosition, howMany ) {\n\t\tconst transformed = Position._createAt( this );\n\n\t\t// This position can't be affected if deletion was in a different root.\n\t\tif ( this.root != deletePosition.root ) {\n\t\t\treturn transformed;\n\t\t}\n\n\t\tif ( compareArrays( deletePosition.getParentPath(), this.getParentPath() ) == 'same' ) {\n\t\t\t// If nodes are removed from the node that is pointed by this position...\n\t\t\tif ( deletePosition.offset < this.offset ) {\n\t\t\t\t// And are removed from before an offset of that position...\n\t\t\t\tif ( deletePosition.offset + howMany > this.offset ) {\n\t\t\t\t\t// Position is in removed range, it's no longer in the tree.\n\t\t\t\t\treturn null;\n\t\t\t\t} else {\n\t\t\t\t\t// Decrement the offset accordingly.\n\t\t\t\t\ttransformed.offset -= howMany;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if ( compareArrays( deletePosition.getParentPath(), this.getParentPath() ) == 'prefix' ) {\n\t\t\t// If nodes are removed from a node that is on a path to this position...\n\t\t\tconst i = deletePosition.path.length - 1;\n\n\t\t\tif ( deletePosition.offset <= this.path[ i ] ) {\n\t\t\t\t// And are removed from before next node of that path...\n\t\t\t\tif ( deletePosition.offset + howMany > this.path[ i ] ) {\n\t\t\t\t\t// If the next node of that path is removed return null\n\t\t\t\t\t// because the node containing this position got removed.\n\t\t\t\t\treturn null;\n\t\t\t\t} else {\n\t\t\t\t\t// Otherwise, decrement index on that path.\n\t\t\t\t\ttransformed.path[ i ] -= howMany;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn transformed;\n\t}\n\n\t/**\n\t * Returns a copy of this position that is updated by inserting `howMany` nodes at `insertPosition`.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} insertPosition Position where nodes are inserted.\n\t * @param {Number} howMany How many nodes are inserted.\n\t * @returns {module:engine/model/position~Position} Transformed position.\n\t */\n\t_getTransformedByInsertion( insertPosition, howMany ) {\n\t\tconst transformed = Position._createAt( this );\n\n\t\t// This position can't be affected if insertion was in a different root.\n\t\tif ( this.root != insertPosition.root ) {\n\t\t\treturn transformed;\n\t\t}\n\n\t\tif ( compareArrays( insertPosition.getParentPath(), this.getParentPath() ) == 'same' ) {\n\t\t\t// If nodes are inserted in the node that is pointed by this position...\n\t\t\tif ( insertPosition.offset < this.offset || ( insertPosition.offset == this.offset && this.stickiness != 'toPrevious' ) ) {\n\t\t\t\t// And are inserted before an offset of that position...\n\t\t\t\t// \"Push\" this positions offset.\n\t\t\t\ttransformed.offset += howMany;\n\t\t\t}\n\t\t} else if ( compareArrays( insertPosition.getParentPath(), this.getParentPath() ) == 'prefix' ) {\n\t\t\t// If nodes are inserted in a node that is on a path to this position...\n\t\t\tconst i = insertPosition.path.length - 1;\n\n\t\t\tif ( insertPosition.offset <= this.path[ i ] ) {\n\t\t\t\t// And are inserted before next node of that path...\n\t\t\t\t// \"Push\" the index on that path.\n\t\t\t\ttransformed.path[ i ] += howMany;\n\t\t\t}\n\t\t}\n\n\t\treturn transformed;\n\t}\n\n\t/**\n\t * Returns a copy of this position that is updated by moving `howMany` nodes from `sourcePosition` to `targetPosition`.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} sourcePosition Position before the first element to move.\n\t * @param {module:engine/model/position~Position} targetPosition Position where moved elements will be inserted.\n\t * @param {Number} howMany How many consecutive nodes to move, starting from `sourcePosition`.\n\t * @returns {module:engine/model/position~Position} Transformed position.\n\t */\n\t_getTransformedByMove( sourcePosition, targetPosition, howMany ) {\n\t\t// Update target position, as it could be affected by nodes removal.\n\t\ttargetPosition = targetPosition._getTransformedByDeletion( sourcePosition, howMany );\n\n\t\tif ( sourcePosition.isEqual( targetPosition ) ) {\n\t\t\t// If `targetPosition` is equal to `sourcePosition` this isn't really any move. Just return position as it is.\n\t\t\treturn Position._createAt( this );\n\t\t}\n\n\t\t// Moving a range removes nodes from their original position. We acknowledge this by proper transformation.\n\t\tconst transformed = this._getTransformedByDeletion( sourcePosition, howMany );\n\n\t\tconst isMoved = transformed === null ||\n\t\t\t( sourcePosition.isEqual( this ) && this.stickiness == 'toNext' ) ||\n\t\t\t( sourcePosition.getShiftedBy( howMany ).isEqual( this ) && this.stickiness == 'toPrevious' );\n\n\t\tif ( isMoved ) {\n\t\t\t// This position is inside moved range (or sticks to it).\n\t\t\t// In this case, we calculate a combination of this position, move source position and target position.\n\t\t\treturn this._getCombined( sourcePosition, targetPosition );\n\t\t} else {\n\t\t\t// This position is not inside a removed range.\n\t\t\t//\n\t\t\t// In next step, we simply reflect inserting `howMany` nodes, which might further affect the position.\n\t\t\treturn transformed._getTransformedByInsertion( targetPosition, howMany );\n\t\t}\n\t}\n\n\t/**\n\t * Returns a new position that is a combination of this position and given positions.\n\t *\n\t * The combined position is a copy of this position transformed by moving a range starting at `source` position\n\t * to the `target` position. It is expected that this position is inside the moved range.\n\t *\n\t * Example:\n\t *\n\t *\t\tlet original = model.createPositionFromPath( root, [ 2, 3, 1 ] );\n\t *\t\tlet source = model.createPositionFromPath( root, [ 2, 2 ] );\n\t *\t\tlet target = model.createPositionFromPath( otherRoot, [ 1, 1, 3 ] );\n\t *\t\toriginal._getCombined( source, target ); // path is [ 1, 1, 4, 1 ], root is `otherRoot`\n\t *\n\t * Explanation:\n\t *\n\t * We have a position `[ 2, 3, 1 ]` and move some nodes from `[ 2, 2 ]` to `[ 1, 1, 3 ]`. The original position\n\t * was inside moved nodes and now should point to the new place. The moved nodes will be after\n\t * positions `[ 1, 1, 3 ]`, `[ 1, 1, 4 ]`, `[ 1, 1, 5 ]`. Since our position was in the second moved node,\n\t * the transformed position will be in a sub-tree of a node at `[ 1, 1, 4 ]`. Looking at original path, we\n\t * took care of `[ 2, 3 ]` part of it. Now we have to add the rest of the original path to the transformed path.\n\t * Finally, the transformed position will point to `[ 1, 1, 4, 1 ]`.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} source Beginning of the moved range.\n\t * @param {module:engine/model/position~Position} target Position where the range is moved.\n\t * @returns {module:engine/model/position~Position} Combined position.\n\t */\n\t_getCombined( source, target ) {\n\t\tconst i = source.path.length - 1;\n\n\t\t// The first part of a path to combined position is a path to the place where nodes were moved.\n\t\tconst combined = Position._createAt( target );\n\t\tcombined.stickiness = this.stickiness;\n\n\t\t// Then we have to update the rest of the path.\n\n\t\t// Fix the offset because this position might be after `from` position and we have to reflect that.\n\t\tcombined.offset = combined.offset + this.path[ i ] - source.offset;\n\n\t\t// Then, add the rest of the path.\n\t\t// If this position is at the same level as `from` position nothing will get added.\n\t\tcombined.path = [ ...combined.path, ...this.path.slice( i + 1 ) ];\n\n\t\treturn combined;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\treturn {\n\t\t\troot: this.root.toJSON(),\n\t\t\tpath: Array.from( this.path ),\n\t\t\tstickiness: this.stickiness\n\t\t};\n\t}\n\n\t/**\n\t * Returns a new position that is equal to current position.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.root, this.path, this.stickiness );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/model/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/model/item~Item model item} and `'before'` or `'after'` (sets position before or after given model item).\n\t *\n\t * This method is a shortcut to other factory methods such as:\n\t *\n\t * * {@link module:engine/model/position~Position._createBefore},\n\t * * {@link module:engine/model/position~Position._createAfter}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when the\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness. Used only when the\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t * @protected\n\t */\n\tstatic _createAt( itemOrPosition, offset, stickiness = 'toNone' ) {\n\t\tif ( itemOrPosition instanceof Position ) {\n\t\t\treturn new Position( itemOrPosition.root, itemOrPosition.path, itemOrPosition.stickiness );\n\t\t} else {\n\t\t\tconst node = itemOrPosition;\n\n\t\t\tif ( offset == 'end' ) {\n\t\t\t\toffset = node.maxOffset;\n\t\t\t} else if ( offset == 'before' ) {\n\t\t\t\treturn this._createBefore( node, stickiness );\n\t\t\t} else if ( offset == 'after' ) {\n\t\t\t\treturn this._createAfter( node, stickiness );\n\t\t\t} else if ( offset !== 0 && !offset ) {\n\t\t\t\t/**\n\t\t\t\t * {@link module:engine/model/model~Model#createPositionAt `Model#createPositionAt()`}\n\t\t\t\t * requires the offset to be specified when the first parameter is a model item.\n\t\t\t\t *\n\t\t\t\t * @error model-createpositionat-offset-required\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-createpositionat-offset-required', [ this, itemOrPosition ] );\n\t\t\t}\n\n\t\t\tif ( !node.is( 'element' ) && !node.is( 'documentFragment' ) ) {\n\t\t\t\t/**\n\t\t\t\t * Position parent have to be a model element or model document fragment.\n\t\t\t\t *\n\t\t\t\t * @error model-position-parent-incorrect\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'model-position-parent-incorrect',\n\t\t\t\t\t[ this, itemOrPosition ]\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tconst path = node.getPath();\n\n\t\t\tpath.push( offset );\n\n\t\t\treturn new this( node.root, path, stickiness );\n\t\t}\n\t}\n\n\t/**\n\t * Creates a new position, after given {@link module:engine/model/item~Item model item}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item after which the position should be placed.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * @returns {module:engine/model/position~Position}\n\t * @protected\n\t */\n\tstatic _createAfter( item, stickiness ) {\n\t\tif ( !item.parent ) {\n\t\t\t/**\n\t\t\t * You can not make a position after a root element.\n\t\t\t *\n\t\t\t * @error model-position-after-root\n\t\t\t * @param {module:engine/model/item~Item} root\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-after-root',\n\t\t\t\t[ this, item ],\n\t\t\t\t{ root: item }\n\t\t\t);\n\t\t}\n\n\t\treturn this._createAt( item.parent, item.endOffset, stickiness );\n\t}\n\n\t/**\n\t * Creates a new position, before the given {@link module:engine/model/item~Item model item}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item before which the position should be placed.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * @returns {module:engine/model/position~Position}\n\t * @protected\n\t */\n\tstatic _createBefore( item, stickiness ) {\n\t\tif ( !item.parent ) {\n\t\t\t/**\n\t\t\t * You can not make a position before a root element.\n\t\t\t *\n\t\t\t * @error model-position-before-root\n\t\t\t * @param {module:engine/model/item~Item} root\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-before-root',\n\t\t\t\titem,\n\t\t\t\t{ root: item }\n\t\t\t);\n\t\t}\n\n\t\treturn this._createAt( item.parent, item.startOffset, stickiness );\n\t}\n\n\t/**\n\t * Creates a `Position` instance from given plain object (i.e. parsed JSON string).\n\t *\n\t * @param {Object} json Plain object to be converted to `Position`.\n\t * @param {module:engine/model/document~Document} doc Document object that will be position owner.\n\t * @returns {module:engine/model/position~Position} `Position` instance created using given plain object.\n\t */\n\tstatic fromJSON( json, doc ) {\n\t\tif ( json.root === '$graveyard' ) {\n\t\t\tconst pos = new Position( doc.graveyard, json.path );\n\t\t\tpos.stickiness = json.stickiness;\n\n\t\t\treturn pos;\n\t\t}\n\n\t\tif ( !doc.getRoot( json.root ) ) {\n\t\t\t/**\n\t\t\t * Cannot create position for document. Root with specified name does not exist.\n\t\t\t *\n\t\t\t * @error model-position-fromjson-no-root\n\t\t\t * @param {String} rootName\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'model-position-fromjson-no-root',\n\t\t\t\tdoc,\n\t\t\t\t{ rootName: json.root }\n\t\t\t);\n\t\t}\n\n\t\treturn new Position( doc.getRoot( json.root ), json.path, json.stickiness );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `${ this.root } [ ${ this.path.join( ', ' ) } ]`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelPosition: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n/**\n * A flag indicating whether this position is `'before'` or `'after'` or `'same'` as given position.\n * If positions are in different roots `'different'` flag is returned.\n *\n * @typedef {String} module:engine/model/position~PositionRelation\n */\n\n/**\n * Represents how position is \"sticking\" with neighbour nodes. Used to define how position should be transformed (moved)\n * in edge cases. Possible values: `'toNone'`, `'toNext'`, `'toPrevious'`.\n *\n * Examples:\n *\n *\t\tInsert. Position is at | and nodes are inserted at the same position, marked as ^:\n *\n *\t\t- sticks to none:           <p>f^|oo</p>  ->  <p>fbar|oo</p>\n *\t\t- sticks to next node:      <p>f^|oo</p>  ->  <p>fbar|oo</p>\n *\t\t- sticks to previous node:  <p>f|^oo</p>  ->  <p>f|baroo</p>\n *\n *\n *\t\tMove. Position is at | and range [oo] is moved to position ^:\n *\n *\t\t- sticks to none:           <p>f|[oo]</p><p>b^ar</p>  ->  <p>f|</p><p>booar</p>\n *\t\t- sticks to none:           <p>f[oo]|</p><p>b^ar</p>  ->  <p>f|</p><p>booar</p>\n *\n *\t\t- sticks to next node:      <p>f|[oo]</p><p>b^ar</p>  ->  <p>f</p><p>b|ooar</p>\n *\t\t- sticks to next node:      <p>f[oo]|</p><p>b^ar</p>  ->  <p>f|</p><p>booar</p>\n *\n *\t\t- sticks to previous node:  <p>f|[oo]</p><p>b^ar</p>  ->  <p>f|</p><p>booar</p>\n *\t\t- sticks to previous node:  <p>f[oo]|</p><p>b^ar</p>  ->  <p>f</p><p>boo|ar</p>\n *\n * @typedef {String} module:engine/model/position~PositionStickiness\n */\n\n/**\n * Returns a text node at the given position.\n *\n * This is a helper function optimized to reuse the position parent instance for performance reasons.\n *\n * Normally, you should use {@link module:engine/model/position~Position#textNode `Position#textNode`}.\n * If you start hitting performance issues with {@link module:engine/model/position~Position#parent `Position#parent`}\n * check if your algorithm does not access it multiple times (which can happen directly or indirectly via other position properties).\n *\n * See https://github.com/ckeditor/ckeditor5/issues/6579.\n *\n * See also:\n *\n * * {@link module:engine/model/position~getNodeAfterPosition}\n * * {@link module:engine/model/position~getNodeBeforePosition}\n *\n * @param {module:engine/model/position~Position} position\n * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} positionParent The parent of the\n * given position.\n * @returns {module:engine/model/text~Text|null}\n */\nexport function getTextNodeAtPosition( position, positionParent ) {\n\tconst node = positionParent.getChild( positionParent.offsetToIndex( position.offset ) );\n\n\tif ( node && node.is( '$text' ) && node.startOffset < position.offset ) {\n\t\treturn node;\n\t}\n\n\treturn null;\n}\n\n/**\n * Returns the node after the given position.\n *\n * This is a helper function optimized to reuse the position parent instance and the calculation of the text node at the\n * specific position for performance reasons.\n *\n * Normally, you should use {@link module:engine/model/position~Position#nodeAfter `Position#nodeAfter`}.\n * If you start hitting performance issues with {@link module:engine/model/position~Position#parent `Position#parent`} and/or\n * {@link module:engine/model/position~Position#textNode `Position#textNode`}\n * check if your algorithm does not access those properties multiple times\n * (which can happen directly or indirectly via other position properties).\n *\n * See https://github.com/ckeditor/ckeditor5/issues/6579 and https://github.com/ckeditor/ckeditor5/issues/6582.\n *\n * See also:\n *\n * * {@link module:engine/model/position~getTextNodeAtPosition}\n * * {@link module:engine/model/position~getNodeBeforePosition}\n *\n * @param {module:engine/model/position~Position} position\n * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} positionParent The parent of the\n * given position.\n * @param {module:engine/model/text~Text|null} textNode Text node at the given position.\n * @returns {module:engine/model/node~Node|null}\n */\nexport function getNodeAfterPosition( position, positionParent, textNode ) {\n\tif ( textNode !== null ) {\n\t\treturn null;\n\t}\n\n\treturn positionParent.getChild( positionParent.offsetToIndex( position.offset ) );\n}\n\n/**\n * Returns the node before the given position.\n *\n * Refer to {@link module:engine/model/position~getNodeBeforePosition} for documentation on when to use this util method.\n *\n * See also:\n *\n * * {@link module:engine/model/position~getTextNodeAtPosition}\n * * {@link module:engine/model/position~getNodeAfterPosition}\n *\n * @param {module:engine/model/position~Position} position\n * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} positionParent The parent of the\n * given position.\n * @param {module:engine/model/text~Text|null} textNode Text node at the given position.\n * @returns {module:engine/model/node~Node|null}\n */\nexport function getNodeBeforePosition( position, positionParent, textNode ) {\n\tif ( textNode !== null ) {\n\t\treturn null;\n\t}\n\n\treturn positionParent.getChild( positionParent.offsetToIndex( position.offset ) - 1 );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/range\n */\n\nimport Position from './position';\nimport TreeWalker from './treewalker';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\n\n/**\n * Represents a range in the model tree.\n *\n * A range is defined by its {@link module:engine/model/range~Range#start} and {@link module:engine/model/range~Range#end}\n * positions.\n *\n * You can create range instances via its constructor or the `createRange*()` factory methods of\n * {@link module:engine/model/model~Model} and {@link module:engine/model/writer~Writer}.\n */\nexport default class Range {\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * @param {module:engine/model/position~Position} start The start position.\n\t * @param {module:engine/model/position~Position} [end] The end position. If not set,\n\t * the range will be collapsed at the `start` position.\n\t */\n\tconstructor( start, end = null ) {\n\t\t/**\n\t\t * Start position.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/position~Position}\n\t\t */\n\t\tthis.start = Position._createAt( start );\n\n\t\t/**\n\t\t * End position.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/position~Position}\n\t\t */\n\t\tthis.end = end ? Position._createAt( end ) : Position._createAt( start );\n\n\t\t// If the range is collapsed, treat in a similar way as a position and set its boundaries stickiness to 'toNone'.\n\t\t// In other case, make the boundaries stick to the \"inside\" of the range.\n\t\tthis.start.stickiness = this.isCollapsed ? 'toNone' : 'toNext';\n\t\tthis.end.stickiness = this.isCollapsed ? 'toNone' : 'toPrevious';\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all {@link module:engine/model/item~Item items} that are in this range and returns\n\t * them together with additional information like length or {@link module:engine/model/position~Position positions},\n\t * grouped as {@link module:engine/model/treewalker~TreeWalkerValue}.\n\t * It iterates over all {@link module:engine/model/textproxy~TextProxy text contents} that are inside the range\n\t * and all the {@link module:engine/model/element~Element}s that are entered into when iterating over this range.\n\t *\n\t * This iterator uses {@link module:engine/model/treewalker~TreeWalker} with `boundaries` set to this range\n\t * and `ignoreElementEnd` option set to `true`.\n\t *\n\t * @returns {Iterable.<module:engine/model/treewalker~TreeWalkerValue>}\n\t */\n\t* [ Symbol.iterator ]() {\n\t\tyield* new TreeWalker( { boundaries: this, ignoreElementEnd: true } );\n\t}\n\n\t/**\n\t * Returns whether the range is collapsed, that is if {@link #start} and\n\t * {@link #end} positions are equal.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this.start.isEqual( this.end );\n\t}\n\n\t/**\n\t * Returns whether this range is flat, that is if {@link #start} position and\n\t * {@link #end} position are in the same {@link module:engine/model/position~Position#parent}.\n\t *\n\t * @type {Boolean}\n\t */\n\tget isFlat() {\n\t\tconst startParentPath = this.start.getParentPath();\n\t\tconst endParentPath = this.end.getParentPath();\n\n\t\treturn compareArrays( startParentPath, endParentPath ) == 'same';\n\t}\n\n\t/**\n\t * Range root element.\n\t *\n\t * @type {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this.start.root;\n\t}\n\n\t/**\n\t * Checks whether this range contains given {@link module:engine/model/position~Position position}.\n\t *\n\t * @param {module:engine/model/position~Position} position Position to check.\n\t * @returns {Boolean} `true` if given {@link module:engine/model/position~Position position} is contained\n\t * in this range,`false` otherwise.\n\t */\n\tcontainsPosition( position ) {\n\t\treturn position.isAfter( this.start ) && position.isBefore( this.end );\n\t}\n\n\t/**\n\t * Checks whether this range contains given {@link ~Range range}.\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to check.\n\t * @param {Boolean} [loose=false] Whether the check is loose or strict. If the check is strict (`false`), compared range cannot\n\t * start or end at the same position as this range boundaries. If the check is loose (`true`), compared range can start, end or\n\t * even be equal to this range. Note that collapsed ranges are always compared in strict mode.\n\t * @returns {Boolean} `true` if given {@link ~Range range} boundaries are contained by this range, `false` otherwise.\n\t */\n\tcontainsRange( otherRange, loose = false ) {\n\t\tif ( otherRange.isCollapsed ) {\n\t\t\tloose = false;\n\t\t}\n\n\t\tconst containsStart = this.containsPosition( otherRange.start ) || ( loose && this.start.isEqual( otherRange.start ) );\n\t\tconst containsEnd = this.containsPosition( otherRange.end ) || ( loose && this.end.isEqual( otherRange.end ) );\n\n\t\treturn containsStart && containsEnd;\n\t}\n\n\t/**\n\t * Checks whether given {@link module:engine/model/item~Item} is inside this range.\n\t *\n\t * @param {module:engine/model/item~Item} item Model item to check.\n\t */\n\tcontainsItem( item ) {\n\t\tconst pos = Position._createBefore( item );\n\n\t\treturn this.containsPosition( pos ) || this.start.isEqual( pos );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\trange.is( 'range' ); // -> true\n\t *\t\trange.is( 'model:range' ); // -> true\n\t *\n\t *\t\trange.is( 'view:range' ); // -> false\n\t *\t\trange.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'range' || type === 'model:range';\n\t}\n\n\t/**\n\t * Two ranges are equal if their {@link #start} and {@link #end} positions are equal.\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to compare with.\n\t * @returns {Boolean} `true` if ranges are equal, `false` otherwise.\n\t */\n\tisEqual( otherRange ) {\n\t\treturn this.start.isEqual( otherRange.start ) && this.end.isEqual( otherRange.end );\n\t}\n\n\t/**\n\t * Checks and returns whether this range intersects with given range.\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to compare with.\n\t * @returns {Boolean} `true` if ranges intersect, `false` otherwise.\n\t */\n\tisIntersecting( otherRange ) {\n\t\treturn this.start.isBefore( otherRange.end ) && this.end.isAfter( otherRange.start );\n\t}\n\n\t/**\n\t * Computes which part(s) of this {@link ~Range range} is not a part of given {@link ~Range range}.\n\t * Returned array contains zero, one or two {@link ~Range ranges}.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet range = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2, 7 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 4, 0, 1 ] )\n\t *\t\t);\n\t *\t\tlet otherRange = model.createRange( model.createPositionFromPath( root, [ 1 ] ), model.createPositionFromPath( root, [ 5 ] ) );\n\t *\t\tlet transformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has no ranges because `otherRange` contains `range`\n\t *\n\t *\t\totherRange = model.createRange( model.createPositionFromPath( root, [ 1 ] ), model.createPositionFromPath( root, [ 3 ] ) );\n\t *\t\ttransformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has one range: from [ 3 ] to [ 4, 0, 1 ]\n\t *\n\t *\t\totherRange = model.createRange( model.createPositionFromPath( root, [ 3 ] ), model.createPositionFromPath( root, [ 4 ] ) );\n\t *\t\ttransformed = range.getDifference( otherRange );\n\t *\t\t// transformed array has two ranges: from [ 2, 7 ] to [ 3 ] and from [ 4 ] to [ 4, 0, 1 ]\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to differentiate against.\n\t * @returns {Array.<module:engine/model/range~Range>} The difference between ranges.\n\t */\n\tgetDifference( otherRange ) {\n\t\tconst ranges = [];\n\n\t\tif ( this.isIntersecting( otherRange ) ) {\n\t\t\t// Ranges intersect.\n\n\t\t\tif ( this.containsPosition( otherRange.start ) ) {\n\t\t\t\t// Given range start is inside this range. This means that we have to\n\t\t\t\t// add shrunken range - from the start to the middle of this range.\n\t\t\t\tranges.push( new Range( this.start, otherRange.start ) );\n\t\t\t}\n\n\t\t\tif ( this.containsPosition( otherRange.end ) ) {\n\t\t\t\t// Given range end is inside this range. This means that we have to\n\t\t\t\t// add shrunken range - from the middle of this range to the end.\n\t\t\t\tranges.push( new Range( otherRange.end, this.end ) );\n\t\t\t}\n\t\t} else {\n\t\t\t// Ranges do not intersect, return the original range.\n\t\t\tranges.push( new Range( this.start, this.end ) );\n\t\t}\n\n\t\treturn ranges;\n\t}\n\n\t/**\n\t * Returns an intersection of this {@link ~Range range} and given {@link ~Range range}.\n\t * Intersection is a common part of both of those ranges. If ranges has no common part, returns `null`.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet range = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2, 7 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 4, 0, 1 ] )\n\t *\t\t);\n\t *\t\tlet otherRange = model.createRange( model.createPositionFromPath( root, [ 1 ] ), model.createPositionFromPath( root, [ 2 ] ) );\n\t *\t\tlet transformed = range.getIntersection( otherRange ); // null - ranges have no common part\n\t *\n\t *\t\totherRange = model.createRange( model.createPositionFromPath( root, [ 3 ] ), model.createPositionFromPath( root, [ 5 ] ) );\n\t *\t\ttransformed = range.getIntersection( otherRange ); // range from [ 3 ] to [ 4, 0, 1 ]\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to check for intersection.\n\t * @returns {module:engine/model/range~Range|null} A common part of given ranges or `null` if ranges have no common part.\n\t */\n\tgetIntersection( otherRange ) {\n\t\tif ( this.isIntersecting( otherRange ) ) {\n\t\t\t// Ranges intersect, so a common range will be returned.\n\t\t\t// At most, it will be same as this range.\n\t\t\tlet commonRangeStart = this.start;\n\t\t\tlet commonRangeEnd = this.end;\n\n\t\t\tif ( this.containsPosition( otherRange.start ) ) {\n\t\t\t\t// Given range start is inside this range. This means thaNt we have to\n\t\t\t\t// shrink common range to the given range start.\n\t\t\t\tcommonRangeStart = otherRange.start;\n\t\t\t}\n\n\t\t\tif ( this.containsPosition( otherRange.end ) ) {\n\t\t\t\t// Given range end is inside this range. This means that we have to\n\t\t\t\t// shrink common range to the given range end.\n\t\t\t\tcommonRangeEnd = otherRange.end;\n\t\t\t}\n\n\t\t\treturn new Range( commonRangeStart, commonRangeEnd );\n\t\t}\n\n\t\t// Ranges do not intersect, so they do not have common part.\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns a range created by joining this {@link ~Range range} with the given {@link ~Range range}.\n\t * If ranges have no common part, returns `null`.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet range = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2, 7 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 4, 0, 1 ] )\n\t *\t\t);\n\t *\t\tlet otherRange = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 1 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2 ] )\n \t *\t\t);\n\t *\t\tlet transformed = range.getJoined( otherRange ); // null - ranges have no common part\n\t *\n\t *\t\totherRange = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 3 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 5 ] )\n\t *\t\t);\n\t *\t\ttransformed = range.getJoined( otherRange ); // range from [ 2, 7 ] to [ 5 ]\n\t *\n\t * @param {module:engine/model/range~Range} otherRange Range to be joined.\n\t * @param {Boolean} [loose=false] Whether the intersection check is loose or strict. If the check is strict (`false`),\n\t * ranges are tested for intersection or whether start/end positions are equal. If the check is loose (`true`),\n\t * compared range is also checked if it's {@link module:engine/model/position~Position#isTouching touching} current range.\n\t * @returns {module:engine/model/range~Range|null} A sum of given ranges or `null` if ranges have no common part.\n\t */\n\tgetJoined( otherRange, loose = false ) {\n\t\tlet shouldJoin = this.isIntersecting( otherRange );\n\n\t\tif ( !shouldJoin ) {\n\t\t\tif ( this.start.isBefore( otherRange.start ) ) {\n\t\t\t\tshouldJoin = loose ? this.end.isTouching( otherRange.start ) : this.end.isEqual( otherRange.start );\n\t\t\t} else {\n\t\t\t\tshouldJoin = loose ? otherRange.end.isTouching( this.start ) : otherRange.end.isEqual( this.start );\n\t\t\t}\n\t\t}\n\n\t\tif ( !shouldJoin ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tlet startPosition = this.start;\n\t\tlet endPosition = this.end;\n\n\t\tif ( otherRange.start.isBefore( startPosition ) ) {\n\t\t\tstartPosition = otherRange.start;\n\t\t}\n\n\t\tif ( otherRange.end.isAfter( endPosition ) ) {\n\t\t\tendPosition = otherRange.end;\n\t\t}\n\n\t\treturn new Range( startPosition, endPosition );\n\t}\n\n\t/**\n\t * Computes and returns the smallest set of {@link #isFlat flat} ranges, that covers this range in whole.\n\t *\n\t * See an example of a model structure (`[` and `]` are range boundaries):\n\t *\n\t *\t\troot                                                            root\n\t *\t\t |- element DIV                         DIV             P2              P3             DIV\n\t *\t\t |   |- element H                   H        P1        f o o           b a r       H         P4\n\t *\t\t |   |   |- \"fir[st\"             fir[st     lorem                               se]cond     ipsum\n\t *\t\t |   |- element P1\n\t *\t\t |   |   |- \"lorem\"                                              ||\n\t *\t\t |- element P2                                                   ||\n\t *\t\t |   |- \"foo\"                                                    VV\n\t *\t\t |- element P3\n\t *\t\t |   |- \"bar\"                                                   root\n\t *\t\t |- element DIV                         DIV             [P2             P3]             DIV\n\t *\t\t |   |- element H                   H       [P1]       f o o           b a r        H         P4\n\t *\t\t |   |   |- \"se]cond\"            fir[st]    lorem                               [se]cond     ipsum\n\t *\t\t |   |- element P4\n\t *\t\t |   |   |- \"ipsum\"\n\t *\n\t * As it can be seen, letters contained in the range are: `stloremfoobarse`, spread across different parents.\n\t * We are looking for minimal set of flat ranges that contains the same nodes.\n\t *\n\t * Minimal flat ranges for above range `( [ 0, 0, 3 ], [ 3, 0, 2 ] )` will be:\n\t *\n\t *\t\t( [ 0, 0, 3 ], [ 0, 0, 5 ] ) = \"st\"\n\t *\t\t( [ 0, 1 ], [ 0, 2 ] ) = element P1 (\"lorem\")\n\t *\t\t( [ 1 ], [ 3 ] ) = element P2, element P3 (\"foobar\")\n\t *\t\t( [ 3, 0, 0 ], [ 3, 0, 2 ] ) = \"se\"\n\t *\n\t * **Note:** if an {@link module:engine/model/element~Element element} is not wholly contained in this range, it won't be returned\n\t * in any of the returned flat ranges. See in the example how `H` elements at the beginning and at the end of the range\n\t * were omitted. Only their parts that were wholly in the range were returned.\n\t *\n\t * **Note:** this method is not returning flat ranges that contain no nodes.\n\t *\n\t * @returns {Array.<module:engine/model/range~Range>} Array of flat ranges covering this range.\n\t */\n\tgetMinimalFlatRanges() {\n\t\tconst ranges = [];\n\t\tconst diffAt = this.start.getCommonPath( this.end ).length;\n\n\t\tconst pos = Position._createAt( this.start );\n\t\tlet posParent = pos.parent;\n\n\t\t// Go up.\n\t\twhile ( pos.path.length > diffAt + 1 ) {\n\t\t\tconst howMany = posParent.maxOffset - pos.offset;\n\n\t\t\tif ( howMany !== 0 ) {\n\t\t\t\tranges.push( new Range( pos, pos.getShiftedBy( howMany ) ) );\n\t\t\t}\n\n\t\t\tpos.path = pos.path.slice( 0, -1 );\n\t\t\tpos.offset++;\n\t\t\tposParent = posParent.parent;\n\t\t}\n\n\t\t// Go down.\n\t\twhile ( pos.path.length <= this.end.path.length ) {\n\t\t\tconst offset = this.end.path[ pos.path.length - 1 ];\n\t\t\tconst howMany = offset - pos.offset;\n\n\t\t\tif ( howMany !== 0 ) {\n\t\t\t\tranges.push( new Range( pos, pos.getShiftedBy( howMany ) ) );\n\t\t\t}\n\n\t\t\tpos.offset = offset;\n\t\t\tpos.path.push( 0 );\n\t\t}\n\n\t\treturn ranges;\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/model/treewalker~TreeWalker TreeWalker} instance with this range as a boundary.\n\t *\n\t * For example, to iterate over all items in the entire document root:\n\t *\n\t *\t\t// Create a range spanning over the entire root content:\n\t *\t\tconst range = editor.model.createRangeIn( editor.model.document.getRoot() );\n\t *\n\t *\t\t// Iterate over all items in this range:\n\t *\t\tfor ( const value of range.getWalker() ) {\n\t *\t\t\tconsole.log( value.item );\n\t *\t\t}\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/model/treewalker~TreeWalker}.\n\t * @param {module:engine/model/position~Position} [options.startPosition]\n\t * @param {Boolean} [options.singleCharacters=false]\n\t * @param {Boolean} [options.shallow=false]\n\t * @param {Boolean} [options.ignoreElementEnd=false]\n\t * @returns {module:engine/model/treewalker~TreeWalker}\n\t */\n\tgetWalker( options = {} ) {\n\t\toptions.boundaries = this;\n\n\t\treturn new TreeWalker( options );\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all {@link module:engine/model/item~Item items} that are in this range and returns\n\t * them.\n\t *\n\t * This method uses {@link module:engine/model/treewalker~TreeWalker} with `boundaries` set to this range and `ignoreElementEnd` option\n\t * set to `true`. However it returns only {@link module:engine/model/item~Item model items},\n\t * not {@link module:engine/model/treewalker~TreeWalkerValue}.\n\t *\n\t * You may specify additional options for the tree walker. See {@link module:engine/model/treewalker~TreeWalker} for\n\t * a full list of available options.\n\t *\n\t * @param {Object} [options] Object with configuration options. See {@link module:engine/model/treewalker~TreeWalker}.\n\t * @returns {Iterable.<module:engine/model/item~Item>}\n\t */\n\t* getItems( options = {} ) {\n\t\toptions.boundaries = this;\n\t\toptions.ignoreElementEnd = true;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\tyield value.item;\n\t\t}\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all {@link module:engine/model/position~Position positions} that are boundaries or\n\t * contained in this range.\n\t *\n\t * This method uses {@link module:engine/model/treewalker~TreeWalker} with `boundaries` set to this range. However it returns only\n\t * {@link module:engine/model/position~Position positions}, not {@link module:engine/model/treewalker~TreeWalkerValue}.\n\t *\n\t * You may specify additional options for the tree walker. See {@link module:engine/model/treewalker~TreeWalker} for\n\t * a full list of available options.\n\t *\n\t * @param {Object} options Object with configuration options. See {@link module:engine/model/treewalker~TreeWalker}.\n\t * @returns {Iterable.<module:engine/model/position~Position>}\n\t */\n\t* getPositions( options = {} ) {\n\t\toptions.boundaries = this;\n\n\t\tconst treeWalker = new TreeWalker( options );\n\n\t\tyield treeWalker.position;\n\n\t\tfor ( const value of treeWalker ) {\n\t\t\tyield value.nextPosition;\n\t\t}\n\t}\n\n\t/**\n\t * Returns a range that is a result of transforming this range by given `operation`.\n\t *\n\t * **Note:** transformation may break one range into multiple ranges (for example, when a part of the range is\n\t * moved to a different part of document tree). For this reason, an array is returned by this method and it\n\t * may contain one or more `Range` instances.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to transform range by.\n\t * @returns {Array.<module:engine/model/range~Range>} Range which is the result of transformation.\n\t */\n\tgetTransformedByOperation( operation ) {\n\t\tswitch ( operation.type ) {\n\t\t\tcase 'insert':\n\t\t\t\treturn this._getTransformedByInsertOperation( operation );\n\t\t\tcase 'move':\n\t\t\tcase 'remove':\n\t\t\tcase 'reinsert':\n\t\t\t\treturn this._getTransformedByMoveOperation( operation );\n\t\t\tcase 'split':\n\t\t\t\treturn [ this._getTransformedBySplitOperation( operation ) ];\n\t\t\tcase 'merge':\n\t\t\t\treturn [ this._getTransformedByMergeOperation( operation ) ];\n\t\t}\n\n\t\treturn [ new Range( this.start, this.end ) ];\n\t}\n\n\t/**\n\t * Returns a range that is a result of transforming this range by multiple `operations`.\n\t *\n\t * @see ~Range#getTransformedByOperation\n\t * @param {Iterable.<module:engine/model/operation/operation~Operation>} operations Operations to transform the range by.\n\t * @returns {Array.<module:engine/model/range~Range>} Range which is the result of transformation.\n\t */\n\tgetTransformedByOperations( operations ) {\n\t\tconst ranges = [ new Range( this.start, this.end ) ];\n\n\t\tfor ( const operation of operations ) {\n\t\t\tfor ( let i = 0; i < ranges.length; i++ ) {\n\t\t\t\tconst result = ranges[ i ].getTransformedByOperation( operation );\n\n\t\t\t\tranges.splice( i, 1, ...result );\n\t\t\t\ti += result.length - 1;\n\t\t\t}\n\t\t}\n\n\t\t// It may happen that a range is split into two, and then the part of second \"piece\" is moved into first\n\t\t// \"piece\". In this case we will have incorrect third range, which should not be included in the result --\n\t\t// because it is already included in the first \"piece\". In this loop we are looking for all such ranges that\n\t\t// are inside other ranges and we simply remove them.\n\t\tfor ( let i = 0; i < ranges.length; i++ ) {\n\t\t\tconst range = ranges[ i ];\n\n\t\t\tfor ( let j = i + 1; j < ranges.length; j++ ) {\n\t\t\t\tconst next = ranges[ j ];\n\n\t\t\t\tif ( range.containsRange( next ) || next.containsRange( range ) || range.isEqual( next ) ) {\n\t\t\t\t\tranges.splice( j, 1 );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn ranges;\n\t}\n\n\t/**\n\t * Returns an {@link module:engine/model/element~Element} or {@link module:engine/model/documentfragment~DocumentFragment}\n\t * which is a common ancestor of the range's both ends (in which the entire range is contained).\n\t *\n\t * @returns {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tgetCommonAncestor() {\n\t\treturn this.start.getCommonAncestor( this.end );\n\t}\n\n\t/**\n\t * Returns an {@link module:engine/model/element~Element Element} contained by the range.\n\t * The element will be returned when it is the **only** node within the range and **fully–contained**\n\t * at the same time.\n\t *\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tgetContainedElement() {\n\t\tif ( this.isCollapsed ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst nodeAfterStart = this.start.nodeAfter;\n\t\tconst nodeBeforeEnd = this.end.nodeBefore;\n\n\t\tif ( nodeAfterStart && nodeAfterStart.is( 'element' ) && nodeAfterStart === nodeBeforeEnd ) {\n\t\t\treturn nodeAfterStart;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Converts `Range` to plain object and returns it.\n\t *\n\t * @returns {Object} `Node` converted to plain object.\n\t */\n\ttoJSON() {\n\t\treturn {\n\t\t\tstart: this.start.toJSON(),\n\t\t\tend: this.end.toJSON()\n\t\t};\n\t}\n\n\t/**\n\t * Returns a new range that is equal to current range.\n\t *\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.start, this.end );\n\t}\n\n\t/**\n\t * Returns a result of transforming a copy of this range by insert operation.\n\t *\n\t * One or more ranges may be returned as a result of this transformation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/insertoperation~InsertOperation} operation\n\t * @returns {Array.<module:engine/model/range~Range>}\n\t */\n\t_getTransformedByInsertOperation( operation, spread = false ) {\n\t\treturn this._getTransformedByInsertion( operation.position, operation.howMany, spread );\n\t}\n\n\t/**\n\t * Returns a result of transforming a copy of this range by move operation.\n\t *\n\t * One or more ranges may be returned as a result of this transformation.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/moveoperation~MoveOperation} operation\n\t * @returns {Array.<module:engine/model/range~Range>}\n\t */\n\t_getTransformedByMoveOperation( operation, spread = false ) {\n\t\tconst sourcePosition = operation.sourcePosition;\n\t\tconst howMany = operation.howMany;\n\t\tconst targetPosition = operation.targetPosition;\n\n\t\treturn this._getTransformedByMove( sourcePosition, targetPosition, howMany, spread );\n\t}\n\n\t/**\n\t * Returns a result of transforming a copy of this range by split operation.\n\t *\n\t * Always one range is returned. The transformation is done in a way to not break the range.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/splitoperation~SplitOperation} operation\n\t * @returns {module:engine/model/range~Range}\n\t */\n\t_getTransformedBySplitOperation( operation ) {\n\t\tconst start = this.start._getTransformedBySplitOperation( operation );\n\t\tlet end = this.end._getTransformedBySplitOperation( operation );\n\n\t\tif ( this.end.isEqual( operation.insertionPosition ) ) {\n\t\t\tend = this.end.getShiftedBy( 1 );\n\t\t}\n\n\t\t// Below may happen when range contains graveyard element used by split operation.\n\t\tif ( start.root != end.root ) {\n\t\t\t// End position was next to the moved graveyard element and was moved with it.\n\t\t\t// Fix it by using old `end` which has proper `root`.\n\t\t\tend = this.end.getShiftedBy( -1 );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Returns a result of transforming a copy of this range by merge operation.\n\t *\n\t * Always one range is returned. The transformation is done in a way to not break the range.\n\t *\n\t * @protected\n\t * @param {module:engine/model/operation/mergeoperation~MergeOperation} operation\n\t * @returns {module:engine/model/range~Range}\n\t */\n\t_getTransformedByMergeOperation( operation ) {\n\t\t// Special case when the marker is set on \"the closing tag\" of an element. Marker can be set like that during\n\t\t// transformations, especially when a content of a few block elements were removed. For example:\n\t\t//\n\t\t// {} is the transformed range, [] is the removed range.\n\t\t// <p>F[o{o</p><p>B}ar</p><p>Xy]z</p>\n\t\t//\n\t\t// <p>Fo{o</p><p>B}ar</p><p>z</p>\n\t\t// <p>F{</p><p>B}ar</p><p>z</p>\n\t\t// <p>F{</p>}<p>z</p>\n\t\t// <p>F{}z</p>\n\t\t//\n\t\tif ( this.start.isEqual( operation.targetPosition ) && this.end.isEqual( operation.deletionPosition ) ) {\n\t\t\treturn new Range( this.start );\n\t\t}\n\n\t\tlet start = this.start._getTransformedByMergeOperation( operation );\n\t\tlet end = this.end._getTransformedByMergeOperation( operation );\n\n\t\tif ( start.root != end.root ) {\n\t\t\t// This happens when the end position was next to the merged (deleted) element.\n\t\t\t// Then, the end position was moved to the graveyard root. In this case we need to fix\n\t\t\t// the range cause its boundaries would be in different roots.\n\t\t\tend = this.end.getShiftedBy( -1 );\n\t\t}\n\n\t\tif ( start.isAfter( end ) ) {\n\t\t\t// This happens in three following cases:\n\t\t\t//\n\t\t\t// Case 1: Merge operation source position is before the target position (due to some transformations, OT, etc.)\n\t\t\t//         This means that start can be moved before the end of the range.\n\t\t\t//\n\t\t\t// Before: <p>a{a</p><p>b}b</p><p>cc</p>\n\t\t\t// Merge:  <p>b}b</p><p>cca{a</p>\n\t\t\t// Fix:    <p>{b}b</p><p>ccaa</p>\n\t\t\t//\n\t\t\t// Case 2: Range start is before merged node but not directly.\n\t\t\t//         Result should include all nodes that were in the original range.\n\t\t\t//\n\t\t\t// Before: <p>aa</p>{<p>cc</p><p>b}b</p>\n\t\t\t// Merge:  <p>aab}b</p>{<p>cc</p>\n\t\t\t// Fix:    <p>aa{bb</p><p>cc</p>}\n\t\t\t//\n\t\t\t//         The range is expanded by an additional `b` letter but it is better than dropping the whole `cc` paragraph.\n\t\t\t//\n\t\t\t// Case 3: Range start is directly before merged node.\n\t\t\t//         Resulting range should include only nodes from the merged element:\n\t\t\t//\n\t\t\t// Before: <p>aa</p>{<p>b}b</p><p>cc</p>\n\t\t\t// Merge:  <p>aab}b</p>{<p>cc</p>\n\t\t\t// Fix:    <p>aa{b}b</p><p>cc</p>\n\t\t\t//\n\n\t\t\tif ( operation.sourcePosition.isBefore( operation.targetPosition ) ) {\n\t\t\t\t// Case 1.\n\t\t\t\tstart = Position._createAt( end );\n\t\t\t\tstart.offset = 0;\n\t\t\t} else {\n\t\t\t\tif ( !operation.deletionPosition.isEqual( start ) ) {\n\t\t\t\t\t// Case 2.\n\t\t\t\t\tend = operation.deletionPosition;\n\t\t\t\t}\n\n\t\t\t\t// In both case 2 and 3 start is at the end of the merge-to element.\n\t\t\t\tstart = operation.targetPosition;\n\t\t\t}\n\n\t\t\treturn new Range( start, end );\n\t\t}\n\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Returns an array containing one or two {@link ~Range ranges} that are a result of transforming this\n\t * {@link ~Range range} by inserting `howMany` nodes at `insertPosition`. Two {@link ~Range ranges} are\n\t * returned if the insertion was inside this {@link ~Range range} and `spread` is set to `true`.\n\t *\n\t * Examples:\n\t *\n\t *\t\tlet range = model.createRange(\n\t *\t\t\tmodel.createPositionFromPath( root, [ 2, 7 ] ),\n\t *\t\t\tmodel.createPositionFromPath( root, [ 4, 0, 1 ] )\n\t *\t\t);\n\t *\t\tlet transformed = range._getTransformedByInsertion( model.createPositionFromPath( root, [ 1 ] ), 2 );\n\t *\t\t// transformed array has one range from [ 4, 7 ] to [ 6, 0, 1 ]\n\t *\n\t *\t\ttransformed = range._getTransformedByInsertion( model.createPositionFromPath( root, [ 4, 0, 0 ] ), 4 );\n\t *\t\t// transformed array has one range from [ 2, 7 ] to [ 4, 0, 5 ]\n\t *\n\t *\t\ttransformed = range._getTransformedByInsertion( model.createPositionFromPath( root, [ 3, 2 ] ), 4 );\n\t *\t\t// transformed array has one range, which is equal to original range\n\t *\n\t *\t\ttransformed = range._getTransformedByInsertion( model.createPositionFromPath( root, [ 3, 2 ] ), 4, true );\n\t *\t\t// transformed array has two ranges: from [ 2, 7 ] to [ 3, 2 ] and from [ 3, 6 ] to [ 4, 0, 1 ]\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} insertPosition Position where nodes are inserted.\n\t * @param {Number} howMany How many nodes are inserted.\n\t * @param {Boolean} [spread] Flag indicating whether this {~Range range} should be spread if insertion\n\t * was inside the range. Defaults to `false`.\n\t * @returns {Array.<module:engine/model/range~Range>} Result of the transformation.\n\t */\n\t_getTransformedByInsertion( insertPosition, howMany, spread = false ) {\n\t\tif ( spread && this.containsPosition( insertPosition ) ) {\n\t\t\t// Range has to be spread. The first part is from original start to the spread point.\n\t\t\t// The other part is from spread point to the original end, but transformed by\n\t\t\t// insertion to reflect insertion changes.\n\n\t\t\treturn [\n\t\t\t\tnew Range( this.start, insertPosition ),\n\t\t\t\tnew Range(\n\t\t\t\t\tinsertPosition.getShiftedBy( howMany ),\n\t\t\t\t\tthis.end._getTransformedByInsertion( insertPosition, howMany )\n\t\t\t\t)\n\t\t\t];\n\t\t} else {\n\t\t\tconst range = new Range( this.start, this.end );\n\n\t\t\trange.start = range.start._getTransformedByInsertion( insertPosition, howMany );\n\t\t\trange.end = range.end._getTransformedByInsertion( insertPosition, howMany );\n\n\t\t\treturn [ range ];\n\t\t}\n\t}\n\n\t/**\n\t * Returns an array containing {@link ~Range ranges} that are a result of transforming this\n\t * {@link ~Range range} by moving `howMany` nodes from `sourcePosition` to `targetPosition`.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} sourcePosition Position from which nodes are moved.\n\t * @param {module:engine/model/position~Position} targetPosition Position to where nodes are moved.\n\t * @param {Number} howMany How many nodes are moved.\n\t * @param {Boolean} [spread=false] Whether the range should be spread if the move points inside the range.\n\t * @returns {Array.<module:engine/model/range~Range>} Result of the transformation.\n\t */\n\t_getTransformedByMove( sourcePosition, targetPosition, howMany, spread = false ) {\n\t\t// Special case for transforming a collapsed range. Just transform it like a position.\n\t\tif ( this.isCollapsed ) {\n\t\t\tconst newPos = this.start._getTransformedByMove( sourcePosition, targetPosition, howMany );\n\n\t\t\treturn [ new Range( newPos ) ];\n\t\t}\n\n\t\t// Special case for transformation when a part of the range is moved towards the range.\n\t\t//\n\t\t// Examples:\n\t\t//\n\t\t// <div><p>ab</p><p>c[d</p></div><p>e]f</p> --> <div><p>ab</p></div><p>c[d</p><p>e]f</p>\n\t\t// <p>e[f</p><div><p>a]b</p><p>cd</p></div> --> <p>e[f</p><p>a]b</p><div><p>cd</p></div>\n\t\t//\n\t\t// Without this special condition, the default algorithm leaves an \"artifact\" range from one of `differenceSet` parts:\n\t\t//\n\t\t// <div><p>ab</p><p>c[d</p></div><p>e]f</p> --> <div><p>ab</p>{</div>}<p>c[d</p><p>e]f</p>\n\t\t//\n\t\t// This special case is applied only if the range is to be kept together (not spread).\n\t\tconst moveRange = Range._createFromPositionAndShift( sourcePosition, howMany );\n\t\tconst insertPosition = targetPosition._getTransformedByDeletion( sourcePosition, howMany );\n\n\t\tif ( this.containsPosition( targetPosition ) && !spread ) {\n\t\t\tif ( moveRange.containsPosition( this.start ) || moveRange.containsPosition( this.end ) ) {\n\t\t\t\tconst start = this.start._getTransformedByMove( sourcePosition, targetPosition, howMany );\n\t\t\t\tconst end = this.end._getTransformedByMove( sourcePosition, targetPosition, howMany );\n\n\t\t\t\treturn [ new Range( start, end ) ];\n\t\t\t}\n\t\t}\n\n\t\t// Default algorithm.\n\t\tlet result;\n\n\t\tconst differenceSet = this.getDifference( moveRange );\n\t\tlet difference = null;\n\n\t\tconst common = this.getIntersection( moveRange );\n\n\t\tif ( differenceSet.length == 1 ) {\n\t\t\t// `moveRange` and this range may intersect but may be separate.\n\t\t\tdifference = new Range(\n\t\t\t\tdifferenceSet[ 0 ].start._getTransformedByDeletion( sourcePosition, howMany ),\n\t\t\t\tdifferenceSet[ 0 ].end._getTransformedByDeletion( sourcePosition, howMany )\n\t\t\t);\n\t\t} else if ( differenceSet.length == 2 ) {\n\t\t\t// `moveRange` is inside this range.\n\t\t\tdifference = new Range(\n\t\t\t\tthis.start,\n\t\t\t\tthis.end._getTransformedByDeletion( sourcePosition, howMany )\n\t\t\t);\n\t\t} // else, `moveRange` contains this range.\n\n\t\tif ( difference ) {\n\t\t\tresult = difference._getTransformedByInsertion( insertPosition, howMany, common !== null || spread );\n\t\t} else {\n\t\t\tresult = [];\n\t\t}\n\n\t\tif ( common ) {\n\t\t\tconst transformedCommon = new Range(\n\t\t\t\tcommon.start._getCombined( moveRange.start, insertPosition ),\n\t\t\t\tcommon.end._getCombined( moveRange.start, insertPosition )\n\t\t\t);\n\n\t\t\tif ( result.length == 2 ) {\n\t\t\t\tresult.splice( 1, 0, transformedCommon );\n\t\t\t} else {\n\t\t\t\tresult.push( transformedCommon );\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Returns a copy of this range that is transformed by deletion of `howMany` nodes from `deletePosition`.\n\t *\n\t * If the deleted range is intersecting with the transformed range, the transformed range will be shrank.\n\t *\n\t * If the deleted range contains transformed range, `null` will be returned.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} deletionPosition Position from which nodes are removed.\n\t * @param {Number} howMany How many nodes are removed.\n\t * @returns {module:engine/model/range~Range|null} Result of the transformation.\n\t */\n\t_getTransformedByDeletion( deletePosition, howMany ) {\n\t\tlet newStart = this.start._getTransformedByDeletion( deletePosition, howMany );\n\t\tlet newEnd = this.end._getTransformedByDeletion( deletePosition, howMany );\n\n\t\tif ( newStart == null && newEnd == null ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( newStart == null ) {\n\t\t\tnewStart = deletePosition;\n\t\t}\n\n\t\tif ( newEnd == null ) {\n\t\t\tnewEnd = deletePosition;\n\t\t}\n\n\t\treturn new Range( newStart, newEnd );\n\t}\n\n\t/**\n\t * Creates a new range, spreading from specified {@link module:engine/model/position~Position position} to a position moved by\n\t * given `shift`. If `shift` is a negative value, shifted position is treated as the beginning of the range.\n\t *\n\t * @protected\n\t * @param {module:engine/model/position~Position} position Beginning of the range.\n\t * @param {Number} shift How long the range should be.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tstatic _createFromPositionAndShift( position, shift ) {\n\t\tconst start = position;\n\t\tconst end = position.getShiftedBy( shift );\n\n\t\treturn shift > 0 ? new this( start, end ) : new this( end, start );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/model/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tstatic _createIn( element ) {\n\t\treturn new this( Position._createAt( element, 0 ), Position._createAt( element, element.maxOffset ) );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/model/item~Item model item} and ends after it.\n\t *\n\t * @protected\n\t * @param {module:engine/model/item~Item} item\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tstatic _createOn( item ) {\n\t\treturn this._createFromPositionAndShift( Position._createBefore( item ), item.offsetSize );\n\t}\n\n\t/**\n\t * Combines all ranges from the passed array into a one range. At least one range has to be passed.\n\t * Passed ranges must not have common parts.\n\t *\n\t * The first range from the array is a reference range. If other ranges start or end on the exactly same position where\n\t * the reference range, they get combined into one range.\n\t *\n\t *\t\t[  ][]  [    ][ ][             ][ ][]  [  ]  // Passed ranges, shown sorted\n\t *\t\t[    ]                                       // The result of the function if the first range was a reference range.\n\t *\t            [                           ]        // The result of the function if the third-to-seventh range was a reference range.\n\t *\t                                           [  ]  // The result of the function if the last range was a reference range.\n\t *\n\t * @param {Array.<module:engine/model/range~Range>} ranges Ranges to combine.\n\t * @returns {module:engine/model/range~Range} Combined range.\n\t */\n\tstatic _createFromRanges( ranges ) {\n\t\tif ( ranges.length === 0 ) {\n\t\t\t/**\n\t\t\t * At least one range has to be passed to\n\t\t\t * {@link module:engine/model/range~Range._createFromRanges `Range._createFromRanges()`}.\n\t\t\t *\n\t\t\t * @error range-create-from-ranges-empty-array\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'range-create-from-ranges-empty-array',\n\t\t\t\tnull\n\t\t\t);\n\t\t} else if ( ranges.length == 1 ) {\n\t\t\treturn ranges[ 0 ].clone();\n\t\t}\n\n\t\t// 1. Set the first range in `ranges` array as a reference range.\n\t\t// If we are going to return just a one range, one of the ranges need to be the reference one.\n\t\t// Other ranges will be stuck to that range, if possible.\n\t\tconst ref = ranges[ 0 ];\n\n\t\t// 2. Sort all the ranges so it's easier to process them.\n\t\tranges.sort( ( a, b ) => {\n\t\t\treturn a.start.isAfter( b.start ) ? 1 : -1;\n\t\t} );\n\n\t\t// 3. Check at which index the reference range is now.\n\t\tconst refIndex = ranges.indexOf( ref );\n\n\t\t// 4. At this moment we don't need the original range.\n\t\t// We are going to modify the result and we need to return a new instance of Range.\n\t\t// We have to create a copy of the reference range.\n\t\tconst result = new this( ref.start, ref.end );\n\n\t\t// 5. Ranges should be checked and glued starting from the range that is closest to the reference range.\n\t\t// Since ranges are sorted, start with the range with index that is closest to reference range index.\n\t\tif ( refIndex > 0 ) {\n\t\t\tfor ( let i = refIndex - 1; true; i++ ) {\n\t\t\t\tif ( ranges[ i ].end.isEqual( result.start ) ) {\n\t\t\t\t\tresult.start = Position._createAt( ranges[ i ].start );\n\t\t\t\t} else {\n\t\t\t\t\t// If ranges are not starting/ending at the same position there is no point in looking further.\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// 6. Ranges should be checked and glued starting from the range that is closest to the reference range.\n\t\t// Since ranges are sorted, start with the range with index that is closest to reference range index.\n\t\tfor ( let i = refIndex + 1; i < ranges.length; i++ ) {\n\t\t\tif ( ranges[ i ].start.isEqual( result.end ) ) {\n\t\t\t\tresult.end = Position._createAt( ranges[ i ].end );\n\t\t\t} else {\n\t\t\t\t// If ranges are not starting/ending at the same position there is no point in looking further.\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Creates a `Range` instance from given plain object (i.e. parsed JSON string).\n\t *\n\t * @param {Object} json Plain object to be converted to `Range`.\n\t * @param {module:engine/model/document~Document} doc Document object that will be range owner.\n\t * @returns {module:engine/model/range~Range} `Range` instance created using given plain object.\n\t */\n\tstatic fromJSON( json, doc ) {\n\t\treturn new this( Position.fromJSON( json.start, doc ), Position.fromJSON( json.end, doc ) );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `${ this.root } [ ${ this.start.path.join( ', ' ) } ] - [ ${ this.end.path.join( ', ' ) } ]`;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelPosition: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/mapper\n */\n\nimport ModelPosition from '../model/position';\nimport ModelRange from '../model/range';\n\nimport ViewPosition from '../view/position';\nimport ViewRange from '../view/range';\nimport ViewText from '../view/text';\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Maps elements, positions and markers between {@link module:engine/view/document~Document the view} and\n * {@link module:engine/model/model the model}.\n *\n * The instance of the Mapper used for the editing pipeline is available in\n * {@link module:engine/controller/editingcontroller~EditingController#mapper `editor.editing.mapper`}.\n *\n * Mapper uses bound elements to find corresponding elements and positions, so, to get proper results,\n * all model elements should be {@link module:engine/conversion/mapper~Mapper#bindElements bound}.\n *\n * To map complex model to/from view relations, you may provide custom callbacks for\n * {@link module:engine/conversion/mapper~Mapper#event:modelToViewPosition modelToViewPosition event} and\n * {@link module:engine/conversion/mapper~Mapper#event:viewToModelPosition viewToModelPosition event} that are fired whenever\n * a position mapping request occurs.\n * Those events are fired by {@link module:engine/conversion/mapper~Mapper#toViewPosition toViewPosition}\n * and {@link module:engine/conversion/mapper~Mapper#toModelPosition toModelPosition} methods. `Mapper` adds it's own default callbacks\n * with `'lowest'` priority. To override default `Mapper` mapping, add custom callback with higher priority and\n * stop the event.\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Mapper {\n\t/**\n\t * Creates an instance of the mapper.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Model element to view element mapping.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap}\n\t\t */\n\t\tthis._modelToViewMapping = new WeakMap();\n\n\t\t/**\n\t\t * View element to model element mapping.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakMap}\n\t\t */\n\t\tthis._viewToModelMapping = new WeakMap();\n\n\t\t/**\n\t\t * A map containing callbacks between view element names and functions evaluating length of view elements\n\t\t * in model.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._viewToModelLengthCallbacks = new Map();\n\n\t\t/**\n\t\t * Model marker name to view elements mapping.\n\t\t *\n\t\t * Keys are `String`s while values are `Set`s with {@link module:engine/view/element~Element view elements}.\n\t\t * One marker (name) can be mapped to multiple elements.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._markerNameToElements = new Map();\n\n\t\t/**\n\t\t * View element to model marker names mapping.\n\t\t *\n\t\t * This is reverse to {@link ~Mapper#_markerNameToElements} map.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._elementToMarkerNames = new Map();\n\n\t\t/**\n\t\t * Stores marker names of markers which has changed due to unbinding a view element (so it is assumed that the view element\n\t\t * has been removed, moved or renamed).\n\t\t *\n\t\t * @private\n\t\t * @member {Set.<module:engine/model/markercollection~Marker>}\n\t\t */\n\t\tthis._unboundMarkerNames = new Set();\n\n\t\t// Default mapper algorithm for mapping model position to view position.\n\t\tthis.on( 'modelToViewPosition', ( evt, data ) => {\n\t\t\tif ( data.viewPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst viewContainer = this._modelToViewMapping.get( data.modelPosition.parent );\n\n\t\t\tdata.viewPosition = this.findPositionIn( viewContainer, data.modelPosition.offset );\n\t\t}, { priority: 'low' } );\n\n\t\t// Default mapper algorithm for mapping view position to model position.\n\t\tthis.on( 'viewToModelPosition', ( evt, data ) => {\n\t\t\tif ( data.modelPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst viewBlock = this.findMappedViewAncestor( data.viewPosition );\n\t\t\tconst modelParent = this._viewToModelMapping.get( viewBlock );\n\t\t\tconst modelOffset = this._toModelOffset( data.viewPosition.parent, data.viewPosition.offset, viewBlock );\n\n\t\t\tdata.modelPosition = ModelPosition._createAt( modelParent, modelOffset );\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * Marks model and view elements as corresponding. Corresponding elements can be retrieved by using\n\t * the {@link module:engine/conversion/mapper~Mapper#toModelElement toModelElement} and\n\t * {@link module:engine/conversion/mapper~Mapper#toViewElement toViewElement} methods.\n\t * The information that elements are bound is also used to translate positions.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement Model element.\n\t * @param {module:engine/view/element~Element} viewElement View element.\n\t */\n\tbindElements( modelElement, viewElement ) {\n\t\tthis._modelToViewMapping.set( modelElement, viewElement );\n\t\tthis._viewToModelMapping.set( viewElement, modelElement );\n\t}\n\n\t/**\n\t * Unbinds given {@link module:engine/view/element~Element view element} from the map.\n\t *\n\t * **Note:** view-to-model binding will be removed, if it existed. However, corresponding model-to-view binding\n\t * will be removed only if model element is still bound to passed `viewElement`.\n\t *\n\t * This behavior lets for re-binding model element to another view element without fear of losing the new binding\n\t * when the previously bound view element is unbound.\n\t *\n\t * @param {module:engine/view/element~Element} viewElement View element to unbind.\n\t */\n\tunbindViewElement( viewElement ) {\n\t\tconst modelElement = this.toModelElement( viewElement );\n\n\t\tthis._viewToModelMapping.delete( viewElement );\n\n\t\tif ( this._elementToMarkerNames.has( viewElement ) ) {\n\t\t\tfor ( const markerName of this._elementToMarkerNames.get( viewElement ) ) {\n\t\t\t\tthis._unboundMarkerNames.add( markerName );\n\t\t\t}\n\t\t}\n\n\t\tif ( this._modelToViewMapping.get( modelElement ) == viewElement ) {\n\t\t\tthis._modelToViewMapping.delete( modelElement );\n\t\t}\n\t}\n\n\t/**\n\t * Unbinds given {@link module:engine/model/element~Element model element} from the map.\n\t *\n\t * **Note:** model-to-view binding will be removed, if it existed. However, corresponding view-to-model binding\n\t * will be removed only if view element is still bound to passed `modelElement`.\n\t *\n\t * This behavior lets for re-binding view element to another model element without fear of losing the new binding\n\t * when the previously bound model element is unbound.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement Model element to unbind.\n\t */\n\tunbindModelElement( modelElement ) {\n\t\tconst viewElement = this.toViewElement( modelElement );\n\n\t\tthis._modelToViewMapping.delete( modelElement );\n\n\t\tif ( this._viewToModelMapping.get( viewElement ) == modelElement ) {\n\t\t\tthis._viewToModelMapping.delete( viewElement );\n\t\t}\n\t}\n\n\t/**\n\t * Binds given marker name with given {@link module:engine/view/element~Element view element}. The element\n\t * will be added to the current set of elements bound with given marker name.\n\t *\n\t * @param {module:engine/view/element~Element} element Element to bind.\n\t * @param {String} name Marker name.\n\t */\n\tbindElementToMarker( element, name ) {\n\t\tconst elements = this._markerNameToElements.get( name ) || new Set();\n\t\telements.add( element );\n\n\t\tconst names = this._elementToMarkerNames.get( element ) || new Set();\n\t\tnames.add( name );\n\n\t\tthis._markerNameToElements.set( name, elements );\n\t\tthis._elementToMarkerNames.set( element, names );\n\t}\n\n\t/**\n\t * Unbinds an element from given marker name.\n\t *\n\t * @param {module:engine/view/element~Element} element Element to unbind.\n\t * @param {String} name Marker name.\n\t */\n\tunbindElementFromMarkerName( element, name ) {\n\t\tconst nameToElements = this._markerNameToElements.get( name );\n\n\t\tif ( nameToElements ) {\n\t\t\tnameToElements.delete( element );\n\n\t\t\tif ( nameToElements.size == 0 ) {\n\t\t\t\tthis._markerNameToElements.delete( name );\n\t\t\t}\n\t\t}\n\n\t\tconst elementToNames = this._elementToMarkerNames.get( element );\n\n\t\tif ( elementToNames ) {\n\t\t\telementToNames.delete( name );\n\n\t\t\tif ( elementToNames.size == 0 ) {\n\t\t\t\tthis._elementToMarkerNames.delete( element );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns all marker names of markers which has changed due to unbinding a view element (so it is assumed that the view element\n\t * has been removed, moved or renamed) since the last flush. After returning, the marker names list is cleared.\n\t *\n\t * @returns {Array.<String>}\n\t */\n\tflushUnboundMarkerNames() {\n\t\tconst markerNames = Array.from( this._unboundMarkerNames );\n\n\t\tthis._unboundMarkerNames.clear();\n\n\t\treturn markerNames;\n\t}\n\n\t/**\n\t * Removes all model to view and view to model bindings.\n\t */\n\tclearBindings() {\n\t\tthis._modelToViewMapping = new WeakMap();\n\t\tthis._viewToModelMapping = new WeakMap();\n\t\tthis._markerNameToElements = new Map();\n\t\tthis._elementToMarkerNames = new Map();\n\t\tthis._unboundMarkerNames = new Set();\n\t}\n\n\t/**\n\t * Gets the corresponding model element.\n\t *\n\t * **Note:** {@link module:engine/view/uielement~UIElement} does not have corresponding element in model.\n\t *\n\t * @param {module:engine/view/element~Element} viewElement View element.\n\t * @returns {module:engine/model/element~Element|undefined} Corresponding model element or `undefined` if not found.\n\t */\n\ttoModelElement( viewElement ) {\n\t\treturn this._viewToModelMapping.get( viewElement );\n\t}\n\n\t/**\n\t * Gets the corresponding view element.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement Model element.\n\t * @returns {module:engine/view/element~Element|undefined} Corresponding view element or `undefined` if not found.\n\t */\n\ttoViewElement( modelElement ) {\n\t\treturn this._modelToViewMapping.get( modelElement );\n\t}\n\n\t/**\n\t * Gets the corresponding model range.\n\t *\n\t * @param {module:engine/view/range~Range} viewRange View range.\n\t * @returns {module:engine/model/range~Range} Corresponding model range.\n\t */\n\ttoModelRange( viewRange ) {\n\t\treturn new ModelRange( this.toModelPosition( viewRange.start ), this.toModelPosition( viewRange.end ) );\n\t}\n\n\t/**\n\t * Gets the corresponding view range.\n\t *\n\t * @param {module:engine/model/range~Range} modelRange Model range.\n\t * @returns {module:engine/view/range~Range} Corresponding view range.\n\t */\n\ttoViewRange( modelRange ) {\n\t\treturn new ViewRange( this.toViewPosition( modelRange.start ), this.toViewPosition( modelRange.end ) );\n\t}\n\n\t/**\n\t * Gets the corresponding model position.\n\t *\n\t * @fires viewToModelPosition\n\t * @param {module:engine/view/position~Position} viewPosition View position.\n\t * @returns {module:engine/model/position~Position} Corresponding model position.\n\t */\n\ttoModelPosition( viewPosition ) {\n\t\tconst data = {\n\t\t\tviewPosition,\n\t\t\tmapper: this\n\t\t};\n\n\t\tthis.fire( 'viewToModelPosition', data );\n\n\t\treturn data.modelPosition;\n\t}\n\n\t/**\n\t * Gets the corresponding view position.\n\t *\n\t * @fires modelToViewPosition\n\t * @param {module:engine/model/position~Position} modelPosition Model position.\n\t * @param {Object} [options] Additional options for position mapping process.\n\t * @param {Boolean} [options.isPhantom=false] Should be set to `true` if the model position to map is pointing to a place\n\t * in model tree which no longer exists. For example, it could be an end of a removed model range.\n\t * @returns {module:engine/view/position~Position} Corresponding view position.\n\t */\n\ttoViewPosition( modelPosition, options = { isPhantom: false } ) {\n\t\tconst data = {\n\t\t\tmodelPosition,\n\t\t\tmapper: this,\n\t\t\tisPhantom: options.isPhantom\n\t\t};\n\n\t\tthis.fire( 'modelToViewPosition', data );\n\n\t\treturn data.viewPosition;\n\t}\n\n\t/**\n\t * Gets all view elements bound to the given marker name.\n\t *\n\t * @param {String} name Marker name.\n\t * @returns {Set.<module:engine/view/element~Element>|null} View elements bound with given marker name or `null`\n\t * if no elements are bound to given marker name.\n\t */\n\tmarkerNameToElements( name ) {\n\t\tconst boundElements = this._markerNameToElements.get( name );\n\n\t\tif ( !boundElements ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst elements = new Set();\n\n\t\tfor ( const element of boundElements ) {\n\t\t\tif ( element.is( 'attributeElement' ) ) {\n\t\t\t\tfor ( const clone of element.getElementsWithSameId() ) {\n\t\t\t\t\telements.add( clone );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\telements.add( element );\n\t\t\t}\n\t\t}\n\n\t\treturn elements;\n\t}\n\n\t/**\n\t * Registers a callback that evaluates the length in the model of a view element with given name.\n\t *\n\t * The callback is fired with one argument, which is a view element instance. The callback is expected to return\n\t * a number representing the length of view element in model.\n\t *\n\t *\t\t// List item in view may contain nested list, which have other list items. In model though,\n\t *\t\t// the lists are represented by flat structure. Because of those differences, length of list view element\n\t *\t\t// may be greater than one. In the callback it's checked how many nested list items are in evaluated list item.\n\t *\n\t *\t\tfunction getViewListItemLength( element ) {\n\t *\t\t\tlet length = 1;\n\t *\n\t *\t\t\tfor ( let child of element.getChildren() ) {\n\t *\t\t\t\tif ( child.name == 'ul' || child.name == 'ol' ) {\n\t *\t\t\t\t\tfor ( let item of child.getChildren() ) {\n\t *\t\t\t\t\t\tlength += getViewListItemLength( item );\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\n\t *\t\t\treturn length;\n\t *\t\t}\n\t *\n\t *\t\tmapper.registerViewToModelLength( 'li', getViewListItemLength );\n\t *\n\t * @param {String} viewElementName Name of view element for which callback is registered.\n\t * @param {Function} lengthCallback Function return a length of view element instance in model.\n\t */\n\tregisterViewToModelLength( viewElementName, lengthCallback ) {\n\t\tthis._viewToModelLengthCallbacks.set( viewElementName, lengthCallback );\n\t}\n\n\t/**\n\t * For given `viewPosition`, finds and returns the closest ancestor of this position that has a mapping to\n\t * the model.\n\t *\n\t * @param {module:engine/view/position~Position} viewPosition Position for which mapped ancestor should be found.\n\t * @returns {module:engine/view/element~Element}\n\t */\n\tfindMappedViewAncestor( viewPosition ) {\n\t\tlet parent = viewPosition.parent;\n\n\t\twhile ( !this._viewToModelMapping.has( parent ) ) {\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn parent;\n\t}\n\n\t/**\n\t * Calculates model offset based on the view position and the block element.\n\t *\n\t * Example:\n\t *\n\t *\t\t<p>foo<b>ba|r</b></p> // _toModelOffset( b, 2, p ) -> 5\n\t *\n\t * Is a sum of:\n\t *\n\t *\t\t<p>foo|<b>bar</b></p> // _toModelOffset( p, 3, p ) -> 3\n\t *\t\t<p>foo<b>ba|r</b></p> // _toModelOffset( b, 2, b ) -> 2\n\t *\n\t * @private\n\t * @param {module:engine/view/element~Element} viewParent Position parent.\n\t * @param {Number} viewOffset Position offset.\n\t * @param {module:engine/view/element~Element} viewBlock Block used as a base to calculate offset.\n\t * @returns {Number} Offset in the model.\n\t */\n\t_toModelOffset( viewParent, viewOffset, viewBlock ) {\n\t\tif ( viewBlock != viewParent ) {\n\t\t\t// See example.\n\t\t\tconst offsetToParentStart = this._toModelOffset( viewParent.parent, viewParent.index, viewBlock );\n\t\t\tconst offsetInParent = this._toModelOffset( viewParent, viewOffset, viewParent );\n\n\t\t\treturn offsetToParentStart + offsetInParent;\n\t\t}\n\n\t\t// viewBlock == viewParent, so we need to calculate the offset in the parent element.\n\n\t\t// If the position is a text it is simple (\"ba|r\" -> 2).\n\t\tif ( viewParent.is( '$text' ) ) {\n\t\t\treturn viewOffset;\n\t\t}\n\n\t\t// If the position is in an element we need to sum lengths of siblings ( <b> bar </b> foo | -> 3 + 3 = 6 ).\n\t\tlet modelOffset = 0;\n\n\t\tfor ( let i = 0; i < viewOffset; i++ ) {\n\t\t\tmodelOffset += this.getModelLength( viewParent.getChild( i ) );\n\t\t}\n\n\t\treturn modelOffset;\n\t}\n\n\t/**\n\t * Gets the length of the view element in the model.\n\t *\n\t * The length is calculated as follows:\n\t * * if {@link #registerViewToModelLength length mapping callback} is provided for given `viewNode` it is used to\n\t * evaluate model length (`viewNode` is used as first and only parameter passed to the callback),\n\t * * length of a {@link module:engine/view/text~Text text node} is equal to the length of it's\n\t * {@link module:engine/view/text~Text#data data},\n\t * * length of a {@link module:engine/view/uielement~UIElement ui element} is equal to 0,\n\t * * length of a mapped {@link module:engine/view/element~Element element} is equal to 1,\n\t * * length of a not-mapped {@link module:engine/view/element~Element element} is equal to the length of it's children.\n\t *\n\t * Examples:\n\t *\n\t *\t\tfoo                          -> 3 // Text length is equal to it's data length.\n\t *\t\t<p>foo</p>                   -> 1 // Length of an element which is mapped is by default equal to 1.\n\t *\t\t<b>foo</b>                   -> 3 // Length of an element which is not mapped is a length of its children.\n\t *\t\t<div><p>x</p><p>y</p></div>  -> 2 // Assuming that <div> is not mapped and <p> are mapped.\n\t *\n\t * @param {module:engine/view/element~Element} viewNode View node.\n\t * @returns {Number} Length of the node in the tree model.\n\t */\n\tgetModelLength( viewNode ) {\n\t\tif ( this._viewToModelLengthCallbacks.get( viewNode.name ) ) {\n\t\t\tconst callback = this._viewToModelLengthCallbacks.get( viewNode.name );\n\n\t\t\treturn callback( viewNode );\n\t\t} else if ( this._viewToModelMapping.has( viewNode ) ) {\n\t\t\treturn 1;\n\t\t} else if ( viewNode.is( '$text' ) ) {\n\t\t\treturn viewNode.data.length;\n\t\t} else if ( viewNode.is( 'uiElement' ) ) {\n\t\t\treturn 0;\n\t\t} else {\n\t\t\tlet len = 0;\n\n\t\t\tfor ( const child of viewNode.getChildren() ) {\n\t\t\t\tlen += this.getModelLength( child );\n\t\t\t}\n\n\t\t\treturn len;\n\t\t}\n\t}\n\n\t/**\n\t * Finds the position in the view node (or its children) with the expected model offset.\n\t *\n\t * Example:\n\t *\n\t *\t\t<p>fo<b>bar</b>bom</p> -> expected offset: 4\n\t *\n\t *\t\tfindPositionIn( p, 4 ):\n\t *\t\t<p>|fo<b>bar</b>bom</p> -> expected offset: 4, actual offset: 0\n\t *\t\t<p>fo|<b>bar</b>bom</p> -> expected offset: 4, actual offset: 2\n\t *\t\t<p>fo<b>bar</b>|bom</p> -> expected offset: 4, actual offset: 5 -> we are too far\n\t *\n\t *\t\tfindPositionIn( b, 4 - ( 5 - 3 ) ):\n\t *\t\t<p>fo<b>|bar</b>bom</p> -> expected offset: 2, actual offset: 0\n\t *\t\t<p>fo<b>bar|</b>bom</p> -> expected offset: 2, actual offset: 3 -> we are too far\n\t *\n\t *\t\tfindPositionIn( bar, 2 - ( 3 - 3 ) ):\n\t *\t\tWe are in the text node so we can simple find the offset.\n\t *\t\t<p>fo<b>ba|r</b>bom</p> -> expected offset: 2, actual offset: 2 -> position found\n\t *\n\t * @param {module:engine/view/element~Element} viewParent Tree view element in which we are looking for the position.\n\t * @param {Number} expectedOffset Expected offset.\n\t * @returns {module:engine/view/position~Position} Found position.\n\t */\n\tfindPositionIn( viewParent, expectedOffset ) {\n\t\t// Last scanned view node.\n\t\tlet viewNode;\n\t\t// Length of the last scanned view node.\n\t\tlet lastLength = 0;\n\n\t\tlet modelOffset = 0;\n\t\tlet viewOffset = 0;\n\n\t\t// In the text node it is simple: offset in the model equals offset in the text.\n\t\tif ( viewParent.is( '$text' ) ) {\n\t\t\treturn new ViewPosition( viewParent, expectedOffset );\n\t\t}\n\n\t\t// In other cases we add lengths of child nodes to find the proper offset.\n\n\t\t// If it is smaller we add the length.\n\t\twhile ( modelOffset < expectedOffset ) {\n\t\t\tviewNode = viewParent.getChild( viewOffset );\n\t\t\tlastLength = this.getModelLength( viewNode );\n\t\t\tmodelOffset += lastLength;\n\t\t\tviewOffset++;\n\t\t}\n\n\t\t// If it equals we found the position.\n\t\tif ( modelOffset == expectedOffset ) {\n\t\t\treturn this._moveViewPositionToTextNode( new ViewPosition( viewParent, viewOffset ) );\n\t\t}\n\t\t// If it is higher we need to enter last child.\n\t\telse {\n\t\t\t// ( modelOffset - lastLength ) is the offset to the child we enter,\n\t\t\t// so we subtract it from the expected offset to fine the offset in the child.\n\t\t\treturn this.findPositionIn( viewNode, expectedOffset - ( modelOffset - lastLength ) );\n\t\t}\n\t}\n\n\t/**\n\t * Because we prefer positions in text nodes over positions next to text node moves view position to the text node\n\t * if it was next to it.\n\t *\n\t *\t\t<p>[]<b>foo</b></p> -> <p>[]<b>foo</b></p> // do not touch if position is not directly next to text\n\t *\t\t<p>foo[]<b>foo</b></p> -> <p>foo{}<b>foo</b></p> // move to text node\n\t *\t\t<p><b>[]foo</b></p> -> <p><b>{}foo</b></p> // move to text node\n\t *\n\t * @private\n\t * @param {module:engine/view/position~Position} viewPosition Position potentially next to text node.\n\t * @returns {module:engine/view/position~Position} Position in text node if possible.\n\t */\n\t_moveViewPositionToTextNode( viewPosition ) {\n\t\t// If the position is just after text node, put it at the end of that text node.\n\t\t// If the position is just before text node, put it at the beginning of that text node.\n\t\tconst nodeBefore = viewPosition.nodeBefore;\n\t\tconst nodeAfter = viewPosition.nodeAfter;\n\n\t\tif ( nodeBefore instanceof ViewText ) {\n\t\t\treturn new ViewPosition( nodeBefore, nodeBefore.data.length );\n\t\t} else if ( nodeAfter instanceof ViewText ) {\n\t\t\treturn new ViewPosition( nodeAfter, 0 );\n\t\t}\n\n\t\t// Otherwise, just return the given position.\n\t\treturn viewPosition;\n\t}\n\n\t/**\n\t * Fired for each model-to-view position mapping request. The purpose of this event is to enable custom model-to-view position\n\t * mapping. Callbacks added to this event take {@link module:engine/model/position~Position model position} and are expected to\n\t * calculate {@link module:engine/view/position~Position view position}. Calculated view position should be added as `viewPosition`\n\t * value in `data` object that is passed as one of parameters to the event callback.\n\t *\n\t * \t\t// Assume that \"captionedImage\" model element is converted to <img> and following <span> elements in view,\n\t * \t\t// and the model element is bound to <img> element. Force mapping model positions inside \"captionedImage\" to that\n\t * \t\t// <span> element.\n\t *\t\tmapper.on( 'modelToViewPosition', ( evt, data ) => {\n\t *\t\t\tconst positionParent = modelPosition.parent;\n\t *\n\t *\t\t\tif ( positionParent.name == 'captionedImage' ) {\n\t *\t\t\t\tconst viewImg = data.mapper.toViewElement( positionParent );\n\t *\t\t\t\tconst viewCaption = viewImg.nextSibling; // The <span> element.\n\t *\n\t *\t\t\t\tdata.viewPosition = new ViewPosition( viewCaption, modelPosition.offset );\n\t *\n\t *\t\t\t\t// Stop the event if other callbacks should not modify calculated value.\n\t *\t\t\t\tevt.stop();\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * **Note:** keep in mind that sometimes a \"phantom\" model position is being converted. \"Phantom\" model position is\n\t * a position that points to a non-existing place in model. Such position might still be valid for conversion, though\n\t * (it would point to a correct place in view when converted). One example of such situation is when a range is\n\t * removed from model, there may be a need to map the range's end (which is no longer valid model position). To\n\t * handle such situation, check `data.isPhantom` flag:\n\t *\n\t * \t\t// Assume that there is \"customElement\" model element and whenever position is before it, we want to move it\n\t * \t\t// to the inside of the view element bound to \"customElement\".\n\t *\t\tmapper.on( 'modelToViewPosition', ( evt, data ) => {\n\t *\t\t\tif ( data.isPhantom ) {\n\t *\t\t\t\treturn;\n\t *\t\t\t}\n\t *\n\t *\t\t\t// Below line might crash for phantom position that does not exist in model.\n\t *\t\t\tconst sibling = data.modelPosition.nodeBefore;\n\t *\n\t *\t\t\t// Check if this is the element we are interested in.\n\t *\t\t\tif ( !sibling.is( 'element', 'customElement' ) ) {\n\t *\t\t\t\treturn;\n\t *\t\t\t}\n\t *\n\t *\t\t\tconst viewElement = data.mapper.toViewElement( sibling );\n\t *\n\t *\t\t\tdata.viewPosition = new ViewPosition( sibling, 0 );\n\t *\n\t *\t\t\tevt.stop();\n\t *\t\t} );\n\t *\n\t * **Note:** default mapping callback is provided with `low` priority setting and does not cancel the event, so it is possible to\n\t * attach a custom callback after default callback and also use `data.viewPosition` calculated by default callback\n\t * (for example to fix it).\n\t *\n\t * **Note:** default mapping callback will not fire if `data.viewPosition` is already set.\n\t *\n\t * **Note:** these callbacks are called **very often**. For efficiency reasons, it is advised to use them only when position\n\t * mapping between given model and view elements is unsolvable using just elements mapping and default algorithm. Also,\n\t * the condition that checks if special case scenario happened should be as simple as possible.\n\t *\n\t * @event modelToViewPosition\n\t * @param {Object} data Data pipeline object that can store and pass data between callbacks. The callback should add\n\t * `viewPosition` value to that object with calculated {@link module:engine/view/position~Position view position}.\n\t * @param {module:engine/conversion/mapper~Mapper} data.mapper Mapper instance that fired the event.\n\t */\n\n\t/**\n\t * Fired for each view-to-model position mapping request. See {@link module:engine/conversion/mapper~Mapper#event:modelToViewPosition}.\n\t *\n\t * \t\t// See example in `modelToViewPosition` event description.\n\t * \t\t// This custom mapping will map positions from <span> element next to <img> to the \"captionedImage\" element.\n\t *\t\tmapper.on( 'viewToModelPosition', ( evt, data ) => {\n\t *\t\t\tconst positionParent = viewPosition.parent;\n\t *\n\t *\t\t\tif ( positionParent.hasClass( 'image-caption' ) ) {\n\t *\t\t\t\tconst viewImg = positionParent.previousSibling;\n\t *\t\t\t\tconst modelImg = data.mapper.toModelElement( viewImg );\n\t *\n\t *\t\t\t\tdata.modelPosition = new ModelPosition( modelImg, viewPosition.offset );\n\t *\t\t\t\tevt.stop();\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * **Note:** default mapping callback is provided with `low` priority setting and does not cancel the event, so it is possible to\n\t * attach a custom callback after default callback and also use `data.modelPosition` calculated by default callback\n\t * (for example to fix it).\n\t *\n\t * **Note:** default mapping callback will not fire if `data.modelPosition` is already set.\n\t *\n\t * **Note:** these callbacks are called **very often**. For efficiency reasons, it is advised to use them only when position\n\t * mapping between given model and view elements is unsolvable using just elements mapping and default algorithm. Also,\n\t * the condition that checks if special case scenario happened should be as simple as possible.\n\t *\n\t * @event viewToModelPosition\n\t * @param {Object} data Data pipeline object that can store and pass data between callbacks. The callback should add\n\t * `modelPosition` value to that object with calculated {@link module:engine/model/position~Position model position}.\n\t * @param {module:engine/conversion/mapper~Mapper} data.mapper Mapper instance that fired the event.\n\t */\n}\n\nmix( Mapper, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/modelconsumable\n */\n\nimport TextProxy from '../model/textproxy';\n\n/**\n * Manages a list of consumable values for {@link module:engine/model/item~Item model items}.\n *\n * Consumables are various aspects of the model. A model item can be broken down into singular properties that might be\n * taken into consideration when converting that item.\n *\n * `ModelConsumable` is used by {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher} while analyzing changed\n * parts of {@link module:engine/model/document~Document the document}. The added / changed / removed model items are broken down\n * into singular properties (the item itself and it's attributes). All those parts are saved in `ModelConsumable`. Then,\n * during conversion, when given part of model item is converted (i.e. the view element has been inserted into the view,\n * but without attributes), consumable value is removed from `ModelConsumable`.\n *\n * For model items, `ModelConsumable` stores consumable values of one of following types: `insert`, `addattribute:<attributeKey>`,\n * `changeattributes:<attributeKey>`, `removeattributes:<attributeKey>`.\n *\n * In most cases, it is enough to let {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}\n * gather consumable values, so there is no need to use\n * {@link module:engine/conversion/modelconsumable~ModelConsumable#add add method} directly.\n * However, it is important to understand how consumable values can be\n * {@link module:engine/conversion/modelconsumable~ModelConsumable#consume consumed}.\n * See {@link module:engine/conversion/downcasthelpers default downcast converters} for more information.\n *\n * Keep in mind, that one conversion event may have multiple callbacks (converters) attached to it. Each of those is\n * able to convert one or more parts of the model. However, when one of those callbacks actually converts\n * something, other should not, because they would duplicate the results. Using `ModelConsumable` helps avoiding\n * this situation, because callbacks should only convert those values, which were not yet consumed from `ModelConsumable`.\n *\n * Consuming multiple values in a single callback:\n *\n *\t\t// Converter for custom `imageBlock` element that might have a `caption` element inside which changes\n *\t\t// how the image is displayed in the view:\n *\t\t//\n *\t\t// Model:\n *\t\t//\n *\t\t// [imageBlock]\n *\t\t//   └─ [caption]\n *\t\t//       └─ foo\n *\t\t//\n *\t\t// View:\n *\t\t//\n *\t\t// <figure>\n *\t\t//   ├─ <img />\n *\t\t//   └─ <caption>\n *\t\t//       └─ foo\n *\t\tmodelConversionDispatcher.on( 'insert:imageBlock', ( evt, data, conversionApi ) => {\n *\t\t\t// First, consume the `imageBlock` element.\n *\t\t\tconversionApi.consumable.consume( data.item, 'insert' );\n *\n *\t\t\t// Just create normal image element for the view.\n *\t\t\t// Maybe it will be \"decorated\" later.\n *\t\t\tconst viewImage = new ViewElement( 'img' );\n *\t\t\tconst insertPosition = conversionApi.mapper.toViewPosition( data.range.start );\n *\t\t\tconst viewWriter = conversionApi.writer;\n *\n *\t\t\t// Check if the `imageBlock` element has children.\n *\t\t\tif ( data.item.childCount > 0 ) {\n *\t\t\t\tconst modelCaption = data.item.getChild( 0 );\n *\n *\t\t\t\t// `modelCaption` insertion change is consumed from consumable values.\n *\t\t\t\t// It will not be converted by other converters, but it's children (probably some text) will be.\n *\t\t\t\t// Through mapping, converters for text will know where to insert contents of `modelCaption`.\n *\t\t\t\tif ( conversionApi.consumable.consume( modelCaption, 'insert' ) ) {\n *\t\t\t\t\tconst viewCaption = new ViewElement( 'figcaption' );\n *\n *\t\t\t\t\tconst viewImageHolder = new ViewElement( 'figure', null, [ viewImage, viewCaption ] );\n *\n *\t\t\t\t\tconversionApi.mapper.bindElements( modelCaption, viewCaption );\n *\t\t\t\t\tconversionApi.mapper.bindElements( data.item, viewImageHolder );\n *\t\t\t\t\tviewWriter.insert( insertPosition, viewImageHolder );\n *\t\t\t\t}\n *\t\t\t} else {\n *\t\t\t\tconversionApi.mapper.bindElements( data.item, viewImage );\n *\t\t\t\tviewWriter.insert( insertPosition, viewImage );\n *\t\t\t}\n *\n *\t\t\tevt.stop();\n *\t\t} );\n */\nexport default class ModelConsumable {\n\t/**\n\t * Creates an empty consumables list.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Contains list of consumable values.\n\t\t *\n\t\t * @private\n\t\t * @member {Map} module:engine/conversion/modelconsumable~ModelConsumable#_consumable\n\t\t */\n\t\tthis._consumable = new Map();\n\n\t\t/**\n\t\t * For each {@link module:engine/model/textproxy~TextProxy} added to `ModelConsumable`, this registry holds parent\n\t\t * of that `TextProxy` and start and end indices of that `TextProxy`. This allows identification of `TextProxy`\n\t\t * instances that points to the same part of the model but are different instances. Each distinct `TextProxy`\n\t\t * is given unique `Symbol` which is then registered as consumable. This process is transparent for `ModelConsumable`\n\t\t * API user because whenever `TextProxy` is added, tested, consumed or reverted, internal mechanisms of\n\t\t * `ModelConsumable` translates `TextProxy` to that unique `Symbol`.\n\t\t *\n\t\t * @private\n\t\t * @member {Map} module:engine/conversion/modelconsumable~ModelConsumable#_textProxyRegistry\n\t\t */\n\t\tthis._textProxyRegistry = new Map();\n\t}\n\n\t/**\n\t * Adds a consumable value to the consumables list and links it with given model item.\n\t *\n\t *\t\tmodelConsumable.add( modelElement, 'insert' ); // Add `modelElement` insertion change to consumable values.\n\t *\t\tmodelConsumable.add( modelElement, 'addAttribute:bold' ); // Add `bold` attribute insertion on `modelElement` change.\n\t *\t\tmodelConsumable.add( modelElement, 'removeAttribute:bold' ); // Add `bold` attribute removal on `modelElement` change.\n\t *\t\tmodelConsumable.add( modelSelection, 'selection' ); // Add `modelSelection` to consumable values.\n\t *\t\tmodelConsumable.add( modelRange, 'range' ); // Add `modelRange` to consumable values.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection|module:engine/model/range~Range} item\n\t * Model item, range or selection that has the consumable.\n\t * @param {String} type Consumable type. Will be normalized to a proper form, that is either `<word>` or `<part>:<part>`.\n\t * Second colon and everything after will be cut. Passing event name is a safe and good practice.\n\t */\n\tadd( item, type ) {\n\t\ttype = _normalizeConsumableType( type );\n\n\t\tif ( item instanceof TextProxy ) {\n\t\t\titem = this._getSymbolForTextProxy( item );\n\t\t}\n\n\t\tif ( !this._consumable.has( item ) ) {\n\t\t\tthis._consumable.set( item, new Map() );\n\t\t}\n\n\t\tthis._consumable.get( item ).set( type, true );\n\t}\n\n\t/**\n\t * Removes given consumable value from given model item.\n\t *\n\t *\t\tmodelConsumable.consume( modelElement, 'insert' ); // Remove `modelElement` insertion change from consumable values.\n\t *\t\tmodelConsumable.consume( modelElement, 'addAttribute:bold' ); // Remove `bold` attribute insertion on `modelElement` change.\n\t *\t\tmodelConsumable.consume( modelElement, 'removeAttribute:bold' ); // Remove `bold` attribute removal on `modelElement` change.\n\t *\t\tmodelConsumable.consume( modelSelection, 'selection' ); // Remove `modelSelection` from consumable values.\n\t *\t\tmodelConsumable.consume( modelRange, 'range' ); // Remove 'modelRange' from consumable values.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection|module:engine/model/range~Range} item\n\t * Model item, range or selection from which consumable will be consumed.\n\t * @param {String} type Consumable type. Will be normalized to a proper form, that is either `<word>` or `<part>:<part>`.\n\t * Second colon and everything after will be cut. Passing event name is a safe and good practice.\n\t * @returns {Boolean} `true` if consumable value was available and was consumed, `false` otherwise.\n\t */\n\tconsume( item, type ) {\n\t\ttype = _normalizeConsumableType( type );\n\n\t\tif ( item instanceof TextProxy ) {\n\t\t\titem = this._getSymbolForTextProxy( item );\n\t\t}\n\n\t\tif ( this.test( item, type ) ) {\n\t\t\tthis._consumable.get( item ).set( type, false );\n\n\t\t\treturn true;\n\t\t} else {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t/**\n\t * Tests whether there is a consumable value of given type connected with given model item.\n\t *\n\t *\t\tmodelConsumable.test( modelElement, 'insert' ); // Check for `modelElement` insertion change.\n\t *\t\tmodelConsumable.test( modelElement, 'addAttribute:bold' ); // Check for `bold` attribute insertion on `modelElement` change.\n\t *\t\tmodelConsumable.test( modelElement, 'removeAttribute:bold' ); // Check for `bold` attribute removal on `modelElement` change.\n\t *\t\tmodelConsumable.test( modelSelection, 'selection' ); // Check if `modelSelection` is consumable.\n\t *\t\tmodelConsumable.test( modelRange, 'range' ); // Check if `modelRange` is consumable.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection|module:engine/model/range~Range} item\n\t * Model item, range or selection to be tested.\n\t * @param {String} type Consumable type. Will be normalized to a proper form, that is either `<word>` or `<part>:<part>`.\n\t * Second colon and everything after will be cut. Passing event name is a safe and good practice.\n\t * @returns {null|Boolean} `null` if such consumable was never added, `false` if the consumable values was\n\t * already consumed or `true` if it was added and not consumed yet.\n\t */\n\ttest( item, type ) {\n\t\ttype = _normalizeConsumableType( type );\n\n\t\tif ( item instanceof TextProxy ) {\n\t\t\titem = this._getSymbolForTextProxy( item );\n\t\t}\n\n\t\tconst itemConsumables = this._consumable.get( item );\n\n\t\tif ( itemConsumables === undefined ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst value = itemConsumables.get( type );\n\n\t\tif ( value === undefined ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn value;\n\t}\n\n\t/**\n\t * Reverts consuming of consumable value.\n\t *\n\t *\t\tmodelConsumable.revert( modelElement, 'insert' ); // Revert consuming `modelElement` insertion change.\n\t *\t\tmodelConsumable.revert( modelElement, 'addAttribute:bold' ); // Revert consuming `bold` attribute insert from `modelElement`.\n\t *\t\tmodelConsumable.revert( modelElement, 'removeAttribute:bold' ); // Revert consuming `bold` attribute remove from `modelElement`.\n\t *\t\tmodelConsumable.revert( modelSelection, 'selection' ); // Revert consuming `modelSelection`.\n\t *\t\tmodelConsumable.revert( modelRange, 'range' ); // Revert consuming `modelRange`.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection|module:engine/model/range~Range} item\n\t * Model item, range or selection to be reverted.\n\t * @param {String} type Consumable type.\n\t * @returns {null|Boolean} `true` if consumable has been reversed, `false` otherwise. `null` if the consumable has\n\t * never been added.\n\t */\n\trevert( item, type ) {\n\t\ttype = _normalizeConsumableType( type );\n\n\t\tif ( item instanceof TextProxy ) {\n\t\t\titem = this._getSymbolForTextProxy( item );\n\t\t}\n\n\t\tconst test = this.test( item, type );\n\n\t\tif ( test === false ) {\n\t\t\tthis._consumable.get( item ).set( type, true );\n\n\t\t\treturn true;\n\t\t} else if ( test === true ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Gets a unique symbol for passed {@link module:engine/model/textproxy~TextProxy} instance. All `TextProxy` instances that\n\t * have same parent, same start index and same end index will get the same symbol.\n\t *\n\t * Used internally to correctly consume `TextProxy` instances.\n\t *\n\t * @private\n\t * @param {module:engine/model/textproxy~TextProxy} textProxy `TextProxy` instance to get a symbol for.\n\t * @returns {Symbol} Symbol representing all equal instances of `TextProxy`.\n\t */\n\t_getSymbolForTextProxy( textProxy ) {\n\t\tlet symbol = null;\n\n\t\tconst startMap = this._textProxyRegistry.get( textProxy.startOffset );\n\n\t\tif ( startMap ) {\n\t\t\tconst endMap = startMap.get( textProxy.endOffset );\n\n\t\t\tif ( endMap ) {\n\t\t\t\tsymbol = endMap.get( textProxy.parent );\n\t\t\t}\n\t\t}\n\n\t\tif ( !symbol ) {\n\t\t\tsymbol = this._addSymbolForTextProxy( textProxy.startOffset, textProxy.endOffset, textProxy.parent );\n\t\t}\n\n\t\treturn symbol;\n\t}\n\n\t/**\n\t * Adds a symbol for given properties that characterizes a {@link module:engine/model/textproxy~TextProxy} instance.\n\t *\n\t * Used internally to correctly consume `TextProxy` instances.\n\t *\n\t * @private\n\t * @param {Number} startIndex Text proxy start index in it's parent.\n\t * @param {Number} endIndex Text proxy end index in it's parent.\n\t * @param {module:engine/model/element~Element} parent Text proxy parent.\n\t * @returns {Symbol} Symbol generated for given properties.\n\t */\n\t_addSymbolForTextProxy( start, end, parent ) {\n\t\tconst symbol = Symbol( 'textProxySymbol' );\n\t\tlet startMap, endMap;\n\n\t\tstartMap = this._textProxyRegistry.get( start );\n\n\t\tif ( !startMap ) {\n\t\t\tstartMap = new Map();\n\t\t\tthis._textProxyRegistry.set( start, startMap );\n\t\t}\n\n\t\tendMap = startMap.get( end );\n\n\t\tif ( !endMap ) {\n\t\t\tendMap = new Map();\n\t\t\tstartMap.set( end, endMap );\n\t\t}\n\n\t\tendMap.set( parent, symbol );\n\n\t\treturn symbol;\n\t}\n}\n\n// Returns a normalized consumable type name from given string. A normalized consumable type name is a string that has\n// at most one colon, for example: `insert` or `addMarker:highlight`. If string to normalize has more \"parts\" (more colons),\n// the other parts are dropped, for example: `addattribute:bold:$text` -> `addattributes:bold`.\n//\n// @param {String} type Consumable type.\n// @returns {String} Normalized consumable type.\nfunction _normalizeConsumableType( type ) {\n\tconst parts = type.split( ':' );\n\n\t// Markers are identified by the whole name (otherwise we would consume the whole markers group).\n\tif ( parts[ 0 ] == 'addMarker' || parts[ 0 ] == 'removeMarker' ) {\n\t\treturn type;\n\t}\n\n\treturn parts.length > 1 ? parts[ 0 ] + ':' + parts[ 1 ] : parts[ 0 ];\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/downcastdispatcher\n */\n\nimport Consumable from './modelconsumable';\nimport Range from '../model/range';\nimport Position, { getNodeAfterPosition, getTextNodeAtPosition } from '../model/position';\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The downcast dispatcher is a central point of downcasting (conversion from the model to the view), which is a process of reacting\n * to changes in the model and firing a set of events. Callbacks listening to these events are called converters. The\n * converters' role is to convert the model changes to changes in view (for example, adding view nodes or\n * changing attributes on view elements).\n *\n * During the conversion process, downcast dispatcher fires events basing on the state of the model and prepares\n * data for these events. It is important to understand that the events are connected with the changes done on the model,\n * for example: \"a node has been inserted\" or \"an attribute has changed\". This is in contrary to upcasting (a view-to-model conversion)\n * where you convert the view state (view nodes) to a model tree.\n *\n * The events are prepared basing on a diff created by {@link module:engine/model/differ~Differ Differ}, which buffers them\n * and then passes to the downcast dispatcher as a diff between the old model state and the new model state.\n *\n * Note that because the changes are converted, there is a need to have a mapping between the model structure and the view structure.\n * To map positions and elements during the downcast (a model-to-view conversion), use {@link module:engine/conversion/mapper~Mapper}.\n *\n * Downcast dispatcher fires the following events for model tree changes:\n *\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert `insert`} &ndash;\n * If a range of nodes was inserted to the model tree.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:remove `remove`} &ndash;\n * If a range of nodes was removed from the model tree.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute `attribute`} &ndash;\n * If an attribute was added, changed or removed from a model node.\n *\n * For {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert `insert`}\n * and {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute `attribute`},\n * downcast dispatcher generates {@link module:engine/conversion/modelconsumable~ModelConsumable consumables}.\n * These are used to have control over which changes have already been consumed. It is useful when some converters\n * overwrite others or convert multiple changes (for example, it converts an insertion of an element and also converts that\n * element's attributes during the insertion).\n *\n * Additionally, downcast dispatcher fires events for {@link module:engine/model/markercollection~Marker marker} changes:\n *\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker} &ndash; If a marker was added.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:removeMarker} &ndash; If a marker was removed.\n *\n * Note that changing a marker is done through removing the marker from the old range and adding it to the new range,\n * so both events are fired.\n *\n * Finally, downcast dispatcher also handles firing events for the {@link module:engine/model/selection model selection}\n * conversion:\n *\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:selection}\n * &ndash; Converts the selection from the model to the view.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute}\n * &ndash; Fired for every selection attribute.\n * * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker}\n * &ndash; Fired for every marker that contains a selection.\n *\n * Unlike the model tree and the markers, the events for selection are not fired for changes but for a selection state.\n *\n * When providing custom listeners for a downcast dispatcher, remember to check whether a given change has not been\n * {@link module:engine/conversion/modelconsumable~ModelConsumable#consume consumed} yet.\n *\n * When providing custom listeners for downcast dispatcher, keep in mind that any callback that has\n * {@link module:engine/conversion/modelconsumable~ModelConsumable#consume consumed} a value from a consumable and\n * converted the change should also stop the event (for efficiency purposes).\n *\n * When providing custom listeners for downcast dispatcher, remember to use the provided\n * {@link module:engine/view/downcastwriter~DowncastWriter view downcast writer} to apply changes to the view document.\n *\n * You can read more about conversion in the following guides:\n *\n * * {@glink framework/guides/deep-dive/conversion/conversion-introduction Advanced conversion concepts &mdash; attributes}\n * * {@glink framework/guides/deep-dive/conversion/conversion-extending-output Extending the editor output }\n * * {@glink framework/guides/deep-dive/conversion/custom-element-conversion Custom element conversion}\n *\n * An example of a custom converter for the downcast dispatcher:\n *\n *\t\t// You will convert inserting a \"paragraph\" model element into the model.\n *\t\tdowncastDispatcher.on( 'insert:paragraph', ( evt, data, conversionApi ) => {\n *\t\t\t// Remember to check whether the change has not been consumed yet and consume it.\n *\t\t\tif ( !conversionApi.consumable.consume( data.item, 'insert' ) ) {\n *\t\t\t\treturn;\n *\t\t\t}\n *\n *\t\t\t// Translate the position in the model to a position in the view.\n *\t\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n *\n *\t\t\t// Create a <p> element that will be inserted into the view at the `viewPosition`.\n *\t\t\tconst viewElement = conversionApi.writer.createContainerElement( 'p' );\n *\n *\t\t\t// Bind the newly created view element to the model element so positions will map accordingly in the future.\n *\t\t\tconversionApi.mapper.bindElements( data.item, viewElement );\n *\n *\t\t\t// Add the newly created view element to the view.\n *\t\t\tconversionApi.writer.insert( viewPosition, viewElement );\n *\n *\t\t\t// Remember to stop the event propagation.\n *\t\t\tevt.stop();\n *\t\t} );\n */\nexport default class DowncastDispatcher {\n\t/**\n\t * Creates a downcast dispatcher instance.\n\t *\n\t * @see module:engine/conversion/downcastdispatcher~DowncastConversionApi\n\t * @param {Object} conversionApi Additional properties for an interface that will be passed to events fired\n\t * by the downcast dispatcher.\n\t */\n\tconstructor( conversionApi ) {\n\t\t/**\n\t\t * An interface passed by the dispatcher to the event callbacks.\n\t\t *\n\t\t * @member {module:engine/conversion/downcastdispatcher~DowncastConversionApi}\n\t\t */\n\t\tthis.conversionApi = Object.assign( { dispatcher: this }, conversionApi );\n\n\t\t/**\n\t\t * Maps conversion event names that will trigger element reconversion for a given element name.\n\t\t *\n\t\t * @type {Map<String, String>}\n\t\t * @private\n\t\t */\n\t\tthis._reconversionEventsMapping = new Map();\n\t}\n\n\t/**\n\t * Takes a {@link module:engine/model/differ~Differ model differ} object with buffered changes and fires conversion basing on it.\n\t *\n\t * @param {module:engine/model/differ~Differ} differ The differ object with buffered changes.\n\t * @param {module:engine/model/markercollection~MarkerCollection} markers Markers connected with the converted model.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer The view writer that should be used to modify the view document.\n\t */\n\tconvertChanges( differ, markers, writer ) {\n\t\t// Before the view is updated, remove markers which have changed.\n\t\tfor ( const change of differ.getMarkersToRemove() ) {\n\t\t\tthis.convertMarkerRemove( change.name, change.range, writer );\n\t\t}\n\n\t\tconst changes = this._mapChangesWithAutomaticReconversion( differ );\n\n\t\t// Convert changes that happened on model tree.\n\t\tfor ( const entry of changes ) {\n\t\t\tif ( entry.type === 'insert' ) {\n\t\t\t\tthis.convertInsert( Range._createFromPositionAndShift( entry.position, entry.length ), writer );\n\t\t\t} else if ( entry.type === 'remove' ) {\n\t\t\t\tthis.convertRemove( entry.position, entry.length, entry.name, writer );\n\t\t\t} else if ( entry.type === 'reconvert' ) {\n\t\t\t\tthis.reconvertElement( entry.element, writer );\n\t\t\t} else {\n\t\t\t\t// Defaults to 'attribute' change.\n\t\t\t\tthis.convertAttribute( entry.range, entry.attributeKey, entry.attributeOldValue, entry.attributeNewValue, writer );\n\t\t\t}\n\t\t}\n\n\t\tfor ( const markerName of this.conversionApi.mapper.flushUnboundMarkerNames() ) {\n\t\t\tconst markerRange = markers.get( markerName ).getRange();\n\n\t\t\tthis.convertMarkerRemove( markerName, markerRange, writer );\n\t\t\tthis.convertMarkerAdd( markerName, markerRange, writer );\n\t\t}\n\n\t\t// After the view is updated, convert markers which have changed.\n\t\tfor ( const change of differ.getMarkersToAdd() ) {\n\t\t\tthis.convertMarkerAdd( change.name, change.range, writer );\n\t\t}\n\t}\n\n\t/**\n\t * Starts a conversion of a range insertion.\n\t *\n\t * For each node in the range, {@link #event:insert `insert` event is fired}. For each attribute on each node,\n\t * {@link #event:attribute `attribute` event is fired}.\n\t *\n\t * @fires insert\n\t * @fires attribute\n\t * @param {module:engine/model/range~Range} range The inserted range.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer The view writer that should be used to modify the view document.\n\t */\n\tconvertInsert( range, writer ) {\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// Create a list of things that can be consumed, consisting of nodes and their attributes.\n\t\tthis.conversionApi.consumable = this._createInsertConsumable( range );\n\n\t\t// Fire a separate insert event for each node and text fragment contained in the range.\n\t\tfor ( const data of Array.from( range ).map( walkerValueToEventData ) ) {\n\t\t\tthis._convertInsertWithAttributes( data );\n\t\t}\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Fires conversion of a single node removal. Fires {@link #event:remove remove event} with provided data.\n\t *\n\t * @param {module:engine/model/position~Position} position Position from which node was removed.\n\t * @param {Number} length Offset size of removed node.\n\t * @param {String} name Name of removed node.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify view document.\n\t */\n\tconvertRemove( position, length, name, writer ) {\n\t\tthis.conversionApi.writer = writer;\n\n\t\tthis.fire( 'remove:' + name, { position, length }, this.conversionApi );\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Starts a conversion of an attribute change on a given `range`.\n\t *\n\t * For each node in the given `range`, {@link #event:attribute attribute event} is fired with the passed data.\n\t *\n\t * @fires attribute\n\t * @param {module:engine/model/range~Range} range Changed range.\n\t * @param {String} key Key of the attribute that has changed.\n\t * @param {*} oldValue Attribute value before the change or `null` if the attribute has not been set before.\n\t * @param {*} newValue New attribute value or `null` if the attribute has been removed.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify view document.\n\t */\n\tconvertAttribute( range, key, oldValue, newValue, writer ) {\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// Create a list with attributes to consume.\n\t\tthis.conversionApi.consumable = this._createConsumableForRange( range, `attribute:${ key }` );\n\n\t\t// Create a separate attribute event for each node in the range.\n\t\tfor ( const value of range ) {\n\t\t\tconst item = value.item;\n\t\t\tconst itemRange = Range._createFromPositionAndShift( value.previousPosition, value.length );\n\t\t\tconst data = {\n\t\t\t\titem,\n\t\t\t\trange: itemRange,\n\t\t\t\tattributeKey: key,\n\t\t\t\tattributeOldValue: oldValue,\n\t\t\t\tattributeNewValue: newValue\n\t\t\t};\n\n\t\t\tthis._testAndFire( `attribute:${ key }`, data );\n\t\t}\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Starts the reconversion of an element. It will:\n\t *\n\t * * Fire an {@link #event:insert `insert` event} for the element to reconvert.\n\t * * Fire an {@link #event:attribute `attribute` event} for element attributes.\n\t *\n\t * This will not reconvert children of the element if they have existing (already converted) views. For newly inserted child elements\n\t * it will behave the same as {@link #convertInsert}.\n\t *\n\t * Element reconversion is defined by the `triggerBy` configuration for the\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`} conversion helper.\n\t *\n\t * @fires insert\n\t * @fires attribute\n\t * @param {module:engine/model/element~Element} element The element to be reconverted.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer The view writer that should be used to modify the view document.\n\t */\n\treconvertElement( element, writer ) {\n\t\tconst elementRange = Range._createOn( element );\n\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// Create a list of things that can be consumed, consisting of nodes and their attributes.\n\t\tthis.conversionApi.consumable = this._createInsertConsumable( elementRange );\n\n\t\tconst mapper = this.conversionApi.mapper;\n\t\tconst currentView = mapper.toViewElement( element );\n\n\t\t// Remove the old view but do not remove mapper mappings - those will be used to revive existing elements.\n\t\twriter.remove( currentView );\n\n\t\t// Convert the element - without converting children.\n\t\tthis._convertInsertWithAttributes( {\n\t\t\titem: element,\n\t\t\trange: elementRange\n\t\t} );\n\n\t\tconst convertedViewElement = mapper.toViewElement( element );\n\n\t\t// Iterate over children of reconverted element in order to...\n\t\tfor ( const value of Range._createIn( element ) ) {\n\t\t\tconst { item } = value;\n\n\t\t\tconst view = elementOrTextProxyToView( item, mapper );\n\n\t\t\t// ...either bring back previously converted view...\n\t\t\tif ( view ) {\n\t\t\t\t// Do not move views that are already in converted element - those might be created by the main element converter in case\n\t\t\t\t// when main element converts also its direct children.\n\t\t\t\tif ( view.root !== convertedViewElement.root ) {\n\t\t\t\t\twriter.move(\n\t\t\t\t\t\twriter.createRangeOn( view ),\n\t\t\t\t\t\tmapper.toViewPosition( Position._createBefore( item ) )\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t\t// ... or by converting newly inserted elements.\n\t\t\telse {\n\t\t\t\tthis._convertInsertWithAttributes( walkerValueToEventData( value ) );\n\t\t\t}\n\t\t}\n\n\t\t// After reconversion is done we can unbind the old view.\n\t\tmapper.unbindViewElement( currentView );\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Starts the model selection conversion.\n\t *\n\t * Fires events for a given {@link module:engine/model/selection~Selection selection} to start the selection conversion.\n\t *\n\t * @fires selection\n\t * @fires addMarker\n\t * @fires attribute\n\t * @param {module:engine/model/selection~Selection} selection The selection to convert.\n\t * @param {module:engine/model/markercollection~MarkerCollection} markers Markers connected with the converted model.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify the view document.\n\t */\n\tconvertSelection( selection, markers, writer ) {\n\t\tconst markersAtSelection = Array.from( markers.getMarkersAtPosition( selection.getFirstPosition() ) );\n\n\t\tthis.conversionApi.writer = writer;\n\t\tthis.conversionApi.consumable = this._createSelectionConsumable( selection, markersAtSelection );\n\n\t\tthis.fire( 'selection', { selection }, this.conversionApi );\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\tthis._clearConversionApi();\n\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const marker of markersAtSelection ) {\n\t\t\tconst markerRange = marker.getRange();\n\n\t\t\tif ( !shouldMarkerChangeBeConverted( selection.getFirstPosition(), marker, this.conversionApi.mapper ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst data = {\n\t\t\t\titem: selection,\n\t\t\t\tmarkerName: marker.name,\n\t\t\t\tmarkerRange\n\t\t\t};\n\n\t\t\tif ( this.conversionApi.consumable.test( selection, 'addMarker:' + marker.name ) ) {\n\t\t\t\tthis.fire( 'addMarker:' + marker.name, data, this.conversionApi );\n\t\t\t}\n\t\t}\n\n\t\tfor ( const key of selection.getAttributeKeys() ) {\n\t\t\tconst data = {\n\t\t\t\titem: selection,\n\t\t\t\trange: selection.getFirstRange(),\n\t\t\t\tattributeKey: key,\n\t\t\t\tattributeOldValue: null,\n\t\t\t\tattributeNewValue: selection.getAttribute( key )\n\t\t\t};\n\n\t\t\t// Do not fire event if the attribute has been consumed.\n\t\t\tif ( this.conversionApi.consumable.test( selection, 'attribute:' + data.attributeKey ) ) {\n\t\t\t\tthis.fire( 'attribute:' + data.attributeKey + ':$text', data, this.conversionApi );\n\t\t\t}\n\t\t}\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Converts the added marker. Fires the {@link #event:addMarker `addMarker`} event for each item\n\t * in the marker's range. If the range is collapsed, a single event is dispatched. See the event description for more details.\n\t *\n\t * @fires addMarker\n\t * @param {String} markerName Marker name.\n\t * @param {module:engine/model/range~Range} markerRange The marker range.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify the view document.\n\t */\n\tconvertMarkerAdd( markerName, markerRange, writer ) {\n\t\t// Do not convert if range is in graveyard.\n\t\tif ( markerRange.root.rootName == '$graveyard' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// In markers' case, event name == consumable name.\n\t\tconst eventName = 'addMarker:' + markerName;\n\n\t\t//\n\t\t// First, fire an event for the whole marker.\n\t\t//\n\t\tconst consumable = new Consumable();\n\t\tconsumable.add( markerRange, eventName );\n\n\t\tthis.conversionApi.consumable = consumable;\n\n\t\tthis.fire( eventName, { markerName, markerRange }, this.conversionApi );\n\n\t\t//\n\t\t// Do not fire events for each item inside the range if the range got consumed.\n\t\t//\n\t\tif ( !consumable.test( markerRange, eventName ) ) {\n\t\t\tthis._clearConversionApi();\n\n\t\t\treturn;\n\t\t}\n\n\t\t//\n\t\t// Then, fire an event for each item inside the marker range.\n\t\t//\n\t\tthis.conversionApi.consumable = this._createConsumableForRange( markerRange, eventName );\n\n\t\tfor ( const item of markerRange.getItems() ) {\n\t\t\t// Do not fire event for already consumed items.\n\t\t\tif ( !this.conversionApi.consumable.test( item, eventName ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst data = { item, range: Range._createOn( item ), markerName, markerRange };\n\n\t\t\tthis.fire( eventName, data, this.conversionApi );\n\t\t}\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Fires the conversion of the marker removal. Fires the {@link #event:removeMarker `removeMarker`} event with the provided data.\n\t *\n\t * @fires removeMarker\n\t * @param {String} markerName Marker name.\n\t * @param {module:engine/model/range~Range} markerRange The marker range.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that should be used to modify the view document.\n\t */\n\tconvertMarkerRemove( markerName, markerRange, writer ) {\n\t\t// Do not convert if range is in graveyard.\n\t\tif ( markerRange.root.rootName == '$graveyard' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.conversionApi.writer = writer;\n\n\t\tthis.fire( 'removeMarker:' + markerName, { markerName, markerRange }, this.conversionApi );\n\n\t\tthis._clearConversionApi();\n\t}\n\n\t/**\n\t * Maps the model element \"insert\" reconversion for given event names. The event names must be fully specified:\n\t *\n\t * * For \"attribute\" change event, it should include the main element name, i.e: `'attribute:attributeName:elementName'`.\n\t * * For child node change events, these should use the child event name as well, i.e:\n\t *     * For adding a node: `'insert:childElementName'`.\n\t *     * For removing a node: `'remove:childElementName'`.\n\t *\n\t * **Note**: This method should not be used directly. The reconversion is defined by the `triggerBy()` configuration of the\n\t * `elementToElement()` conversion helper.\n\t *\n\t * @protected\n\t * @param {String} modelName The name of the main model element for which the events will trigger the reconversion.\n\t * @param {String} eventName The name of an event that would trigger conversion for a given model element.\n\t */\n\t_mapReconversionTriggerEvent( modelName, eventName ) {\n\t\tthis._reconversionEventsMapping.set( eventName, modelName );\n\t}\n\n\t/**\n\t * Creates {@link module:engine/conversion/modelconsumable~ModelConsumable} with values to consume from a given range,\n\t * assuming that the range has just been inserted to the model.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range The inserted range.\n\t * @returns {module:engine/conversion/modelconsumable~ModelConsumable} The values to consume.\n\t */\n\t_createInsertConsumable( range ) {\n\t\tconst consumable = new Consumable();\n\n\t\tfor ( const value of range ) {\n\t\t\tconst item = value.item;\n\n\t\t\tconsumable.add( item, 'insert' );\n\n\t\t\tfor ( const key of item.getAttributeKeys() ) {\n\t\t\t\tconsumable.add( item, 'attribute:' + key );\n\t\t\t}\n\t\t}\n\n\t\treturn consumable;\n\t}\n\n\t/**\n\t * Creates {@link module:engine/conversion/modelconsumable~ModelConsumable} with values to consume for a given range.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range The affected range.\n\t * @param {String} type Consumable type.\n\t * @returns {module:engine/conversion/modelconsumable~ModelConsumable} The values to consume.\n\t */\n\t_createConsumableForRange( range, type ) {\n\t\tconst consumable = new Consumable();\n\n\t\tfor ( const item of range.getItems() ) {\n\t\t\tconsumable.add( item, type );\n\t\t}\n\n\t\treturn consumable;\n\t}\n\n\t/**\n\t * Creates {@link module:engine/conversion/modelconsumable~ModelConsumable} with selection consumable values.\n\t *\n\t * @private\n\t * @param {module:engine/model/selection~Selection} selection The selection to create the consumable from.\n\t * @param {Iterable.<module:engine/model/markercollection~Marker>} markers Markers that contain the selection.\n\t * @returns {module:engine/conversion/modelconsumable~ModelConsumable} The values to consume.\n\t */\n\t_createSelectionConsumable( selection, markers ) {\n\t\tconst consumable = new Consumable();\n\n\t\tconsumable.add( selection, 'selection' );\n\n\t\tfor ( const marker of markers ) {\n\t\t\tconsumable.add( selection, 'addMarker:' + marker.name );\n\t\t}\n\n\t\tfor ( const key of selection.getAttributeKeys() ) {\n\t\t\tconsumable.add( selection, 'attribute:' + key );\n\t\t}\n\n\t\treturn consumable;\n\t}\n\n\t/**\n\t * Tests passed `consumable` to check whether given event can be fired and if so, fires it.\n\t *\n\t * @private\n\t * @fires insert\n\t * @fires attribute\n\t * @param {String} type Event type.\n\t * @param {Object} data Event data.\n\t */\n\t_testAndFire( type, data ) {\n\t\tif ( !this.conversionApi.consumable.test( data.item, type ) ) {\n\t\t\t// Do not fire event if the item was consumed.\n\t\t\treturn;\n\t\t}\n\n\t\tthis.fire( getEventName( type, data ), data, this.conversionApi );\n\t}\n\n\t/**\n\t * Clears the conversion API object.\n\t *\n\t * @private\n\t */\n\t_clearConversionApi() {\n\t\tdelete this.conversionApi.writer;\n\t\tdelete this.conversionApi.consumable;\n\t}\n\n\t/**\n\t * Internal method for converting element insertion. It will fire events for the inserted element and events for its attributes.\n\t *\n\t * @private\n\t * @fires insert\n\t * @fires attribute\n\t * @param {Object} data Event data.\n\t */\n\t_convertInsertWithAttributes( data ) {\n\t\tthis._testAndFire( 'insert', data );\n\n\t\t// Fire a separate addAttribute event for each attribute that was set on inserted items.\n\t\t// This is important because most attributes converters will listen only to add/change/removeAttribute events.\n\t\t// If we would not add this part, attributes on inserted nodes would not be converted.\n\t\tfor ( const key of data.item.getAttributeKeys() ) {\n\t\t\tdata.attributeKey = key;\n\t\t\tdata.attributeOldValue = null;\n\t\t\tdata.attributeNewValue = data.item.getAttribute( key );\n\n\t\t\tthis._testAndFire( `attribute:${ key }`, data );\n\t\t}\n\t}\n\n\t/**\n\t * Returns differ changes together with added \"reconvert\" type changes for {@link #reconvertElement}. These are defined by\n\t * a the `triggerBy()` configuration for the\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`} conversion helper.\n\t *\n\t * This method will remove every mapped insert or remove change with a single \"reconvert\" change.\n\t *\n\t * For instance: Having a `triggerBy()` configuration defined for the `<complex>` element that issues this element reconversion on\n\t * `foo` and `bar` attributes change, and a set of changes for this element:\n\t *\n\t *\t\tconst differChanges = [\n\t *\t\t\t{ type: 'attribute', attributeKey: 'foo', ... },\n\t *\t\t\t{ type: 'attribute', attributeKey: 'bar', ... },\n\t *\t\t\t{ type: 'attribute', attributeKey: 'baz', ... }\n\t *\t\t];\n\t *\n\t * This method will return:\n\t *\n\t *\t\tconst updatedChanges = [\n\t *\t\t\t{ type: 'reconvert', element: complexElementInstance },\n\t *\t\t\t{ type: 'attribute', attributeKey: 'baz', ... }\n\t *\t\t];\n\t *\n\t * In the example above, the `'baz'` attribute change will fire an {@link #event:attribute attribute event}\n\t *\n\t * @param {module:engine/model/differ~Differ} differ The differ object with buffered changes.\n\t * @returns {Array.<Object>} Updated set of changes.\n\t * @private\n\t */\n\t_mapChangesWithAutomaticReconversion( differ ) {\n\t\tconst itemsToReconvert = new Set();\n\t\tconst updated = [];\n\n\t\tfor ( const entry of differ.getChanges() ) {\n\t\t\tconst position = entry.position || entry.range.start;\n\t\t\t// Cached parent - just in case. See https://github.com/ckeditor/ckeditor5/issues/6579.\n\t\t\tconst positionParent = position.parent;\n\t\t\tconst textNode = getTextNodeAtPosition( position, positionParent );\n\n\t\t\t// Reconversion is done only on elements so skip text changes.\n\t\t\tif ( textNode ) {\n\t\t\t\tupdated.push( entry );\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst element = entry.type === 'attribute' ? getNodeAfterPosition( position, positionParent, null ) : positionParent;\n\n\t\t\t// Case of text node set directly in root. For now used only in tests but can be possible when enabled in paragraph-like roots.\n\t\t\t// See: https://github.com/ckeditor/ckeditor5/issues/762.\n\t\t\tif ( element.is( '$text' ) ) {\n\t\t\t\tupdated.push( entry );\n\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tlet eventName;\n\n\t\t\tif ( entry.type === 'attribute' ) {\n\t\t\t\teventName = `attribute:${ entry.attributeKey }:${ element.name }`;\n\t\t\t} else {\n\t\t\t\teventName = `${ entry.type }:${ entry.name }`;\n\t\t\t}\n\n\t\t\tif ( this._isReconvertTriggerEvent( eventName, element.name ) ) {\n\t\t\t\tif ( itemsToReconvert.has( element ) ) {\n\t\t\t\t\t// Element is already reconverted, so skip this change.\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\titemsToReconvert.add( element );\n\n\t\t\t\t// Add special \"reconvert\" change.\n\t\t\t\tupdated.push( { type: 'reconvert', element } );\n\t\t\t} else {\n\t\t\t\tupdated.push( entry );\n\t\t\t}\n\t\t}\n\n\t\treturn updated;\n\t}\n\n\t/**\n\t * Checks if the resulting change should trigger element reconversion.\n\t *\n\t * These are defined by a `triggerBy()` configuration for the\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`} conversion helper.\n\t *\n\t * @private\n\t * @param {String} eventName The event name to check.\n\t * @param {String} elementName The element name to check.\n\t * @returns {Boolean}\n\t */\n\t_isReconvertTriggerEvent( eventName, elementName ) {\n\t\treturn this._reconversionEventsMapping.get( eventName ) === elementName;\n\t}\n\n\t/**\n\t * Fired for inserted nodes.\n\t *\n\t * `insert` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `insert:name`. `name` is either `'$text'`, when {@link module:engine/model/text~Text a text node} has been inserted,\n\t * or {@link module:engine/model/element~Element#name name} of inserted element.\n\t *\n\t * This way listeners can either listen to a general `insert` event or specific event (for example `insert:paragraph`).\n\t *\n\t * @event insert\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/item~Item} data.item Inserted item.\n\t * @param {module:engine/model/range~Range} data.range Range spanning over inserted item.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired for removed nodes.\n\t *\n\t * `remove` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `remove:name`. `name` is either `'$text'`, when {@link module:engine/model/text~Text a text node} has been removed,\n\t * or the {@link module:engine/model/element~Element#name name} of removed element.\n\t *\n\t * This way listeners can either listen to a general `remove` event or specific event (for example `remove:paragraph`).\n\t *\n\t * @event remove\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/position~Position} data.position Position from which the node has been removed.\n\t * @param {Number} data.length Offset size of the removed node.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired in the following cases:\n\t *\n\t * * when an attribute has been added, changed, or removed from a node,\n\t * * when a node with an attribute is inserted,\n\t * * when collapsed model selection attribute is converted.\n\t *\n\t * `attribute` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `attribute:attributeKey:name`. `attributeKey` is the key of added/changed/removed attribute.\n\t * `name` is either `'$text'` if change was on {@link module:engine/model/text~Text a text node},\n\t * or the {@link module:engine/model/element~Element#name name} of element which attribute has changed.\n\t *\n\t * This way listeners can either listen to a general `attribute:bold` event or specific event (for example `attribute:src:imageBlock`).\n\t *\n\t * @event attribute\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/item~Item|module:engine/model/documentselection~DocumentSelection} data.item Changed item\n\t * or converted selection.\n\t * @param {module:engine/model/range~Range} data.range Range spanning over changed item or selection range.\n\t * @param {String} data.attributeKey Attribute key.\n\t * @param {*} data.attributeOldValue Attribute value before the change. This is `null` when selection attribute is converted.\n\t * @param {*} data.attributeNewValue New attribute value.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired for {@link module:engine/model/selection~Selection selection} changes.\n\t *\n\t * @event selection\n\t * @param {module:engine/model/selection~Selection} selection Selection that is converted.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired when a new marker is added to the model. Also fired when a collapsed model selection that is inside a marker is converted.\n\t *\n\t * `addMarker` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `addMarker:markerName`. By specifying certain marker names, you can make the events even more gradual. For example,\n\t * if markers are named `foo:abc`, `foo:bar`, then it is possible to listen to `addMarker:foo` or `addMarker:foo:abc` and\n\t * `addMarker:foo:bar` events.\n\t *\n\t * If the marker range is not collapsed:\n\t *\n\t * * the event is fired for each item in the marker range one by one,\n\t * * `conversionApi.consumable` includes each item of the marker range and the consumable value is same as the event name.\n\t *\n\t * If the marker range is collapsed:\n\t *\n\t * * there is only one event,\n\t * * `conversionApi.consumable` includes marker range with the event name.\n\t *\n\t * If the selection inside a marker is converted:\n\t *\n\t * * there is only one event,\n\t * * `conversionApi.consumable` includes the selection instance with the event name.\n\t *\n\t * @event addMarker\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/item~Item|module:engine/model/selection~Selection} data.item Item inside the new marker or\n\t * the selection that is being converted.\n\t * @param {module:engine/model/range~Range} [data.range] Range spanning over converted item. Available only in marker conversion, if\n\t * the marker range was not collapsed.\n\t * @param {module:engine/model/range~Range} data.markerRange Marker range.\n\t * @param {String} data.markerName Marker name.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n\n\t/**\n\t * Fired when a marker is removed from the model.\n\t *\n\t * `removeMarker` is a namespace for a class of events. Names of actually called events follow this pattern:\n\t * `removeMarker:markerName`. By specifying certain marker names, you can make the events even more gradual. For example,\n\t * if markers are named `foo:abc`, `foo:bar`, then it is possible to listen to `removeMarker:foo` or `removeMarker:foo:abc` and\n\t * `removeMarker:foo:bar` events.\n\t *\n\t * @event removeMarker\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/model/range~Range} data.markerRange Marker range.\n\t * @param {String} data.markerName Marker name.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface\n\t * to be used by callback, passed in `DowncastDispatcher` constructor.\n\t */\n}\n\nmix( DowncastDispatcher, EmitterMixin );\n\n// Helper function, checks whether change of `marker` at `modelPosition` should be converted. Marker changes are not\n// converted if they happen inside an element with custom conversion method.\n//\n// @param {module:engine/model/position~Position} modelPosition\n// @param {module:engine/model/markercollection~Marker} marker\n// @param {module:engine/conversion/mapper~Mapper} mapper\n// @returns {Boolean}\nfunction shouldMarkerChangeBeConverted( modelPosition, marker, mapper ) {\n\tconst range = marker.getRange();\n\tconst ancestors = Array.from( modelPosition.getAncestors() );\n\tancestors.shift(); // Remove root element. It cannot be passed to `model.Range#containsItem`.\n\tancestors.reverse();\n\n\tconst hasCustomHandling = ancestors.some( element => {\n\t\tif ( range.containsItem( element ) ) {\n\t\t\tconst viewElement = mapper.toViewElement( element );\n\n\t\t\treturn !!viewElement.getCustomProperty( 'addHighlight' );\n\t\t}\n\t} );\n\n\treturn !hasCustomHandling;\n}\n\nfunction getEventName( type, data ) {\n\tconst name = data.item.name || '$text';\n\n\treturn `${ type }:${ name }`;\n}\n\nfunction walkerValueToEventData( value ) {\n\tconst item = value.item;\n\tconst itemRange = Range._createFromPositionAndShift( value.previousPosition, value.length );\n\n\treturn {\n\t\titem,\n\t\trange: itemRange\n\t};\n}\n\nfunction elementOrTextProxyToView( item, mapper ) {\n\tif ( item.is( 'textProxy' ) ) {\n\t\tconst mappedPosition = mapper.toViewPosition( Position._createBefore( item ) );\n\t\tconst positionParent = mappedPosition.parent;\n\n\t\treturn positionParent.is( '$text' ) ? positionParent : null;\n\t}\n\n\treturn mapper.toViewElement( item );\n}\n\n/**\n * Conversion interface that is registered for given {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}\n * and is passed as one of parameters when {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher dispatcher}\n * fires its events.\n *\n * @interface module:engine/conversion/downcastdispatcher~DowncastConversionApi\n */\n\n/**\n * The {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher} instance.\n *\n * @member {module:engine/conversion/downcastdispatcher~DowncastDispatcher} #dispatcher\n */\n\n/**\n * Stores the information about what parts of a processed model item are still waiting to be handled. After a piece of a model item was\n * converted, an appropriate consumable value should be {@link module:engine/conversion/modelconsumable~ModelConsumable#consume consumed}.\n *\n * @member {module:engine/conversion/modelconsumable~ModelConsumable} #consumable\n */\n\n/**\n * The {@link module:engine/conversion/mapper~Mapper} instance.\n *\n * @member {module:engine/conversion/mapper~Mapper} #mapper\n */\n\n/**\n * The {@link module:engine/model/schema~Schema} instance set for the model that is downcast.\n *\n * @member {module:engine/model/schema~Schema} #schema\n */\n\n/**\n * The {@link module:engine/view/downcastwriter~DowncastWriter} instance used to manipulate the data during conversion.\n *\n * @member {module:engine/view/downcastwriter~DowncastWriter} #writer\n */\n\n/**\n * An object with an additional configuration which can be used during the conversion process. Available only for data downcast conversion.\n *\n * @member {Object} #options\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/selection\n */\n\nimport Position from './position';\nimport Node from './node';\nimport Range from './range';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\n\n/**\n * Selection is a set of {@link module:engine/model/range~Range ranges}. It has a direction specified by its\n * {@link module:engine/model/selection~Selection#anchor anchor} and {@link module:engine/model/selection~Selection#focus focus}\n * (it can be {@link module:engine/model/selection~Selection#isBackward forward or backward}).\n * Additionally, selection may have its own attributes (think – whether text typed in in this selection\n * should have those attributes – e.g. whether you type a bolded text).\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Selection {\n\t/**\n\t * Creates a new selection instance based on the given {@link module:engine/model/selection~Selectable selectable}\n\t * or creates an empty selection if no arguments were passed.\n\t *\n\t *\t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t *\t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the given document selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst documentSelection = model.document.selection;\n\t *\t\tconst selection = writer.createSelection( documentSelection );\n\t *\n\t *\t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates selection at the given offset in the given element.\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/model/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/model/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t * Selection's constructor allow passing additional options (`'backward'`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * @param {module:engine/model/selection~Selectable} [selectable]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t */\n\tconstructor( selectable, placeOrOffset, options ) {\n\t\t/**\n\t\t * Specifies whether the last added range was added as a backward or forward range.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._lastRangeBackward = false;\n\n\t\t/**\n\t\t * Stores selection ranges.\n\t\t *\n\t\t * @protected\n\t\t * @type {Array.<module:engine/model/range~Range>}\n\t\t */\n\t\tthis._ranges = [];\n\n\t\t/**\n\t\t * List of attributes set on current selection.\n\t\t *\n\t\t * @protected\n\t\t * @type {Map.<String,*>}\n\t\t */\n\t\tthis._attrs = new Map();\n\n\t\tif ( selectable ) {\n\t\t\tthis.setTo( selectable, placeOrOffset, options );\n\t\t}\n\t}\n\n\t/**\n\t * Selection anchor. Anchor is the position from which the selection was started. If a user is making a selection\n\t * by dragging the mouse, the anchor is where the user pressed the mouse button (the beginning of the selection).\n\t *\n\t * Anchor and {@link #focus} define the direction of the selection, which is important\n\t * when expanding/shrinking selection. The focus moves, while the anchor should remain in the same place.\n\t *\n\t * Anchor is always set to the {@link module:engine/model/range~Range#start start} or\n\t * {@link module:engine/model/range~Range#end end} position of the last of selection's ranges. Whether it is\n\t * the `start` or `end` depends on the specified `options.backward`. See the {@link #setTo `setTo()`} method.\n\t *\n\t * May be set to `null` if there are no ranges in the selection.\n\t *\n\t * @see #focus\n\t * @readonly\n\t * @type {module:engine/model/position~Position|null}\n\t */\n\tget anchor() {\n\t\tif ( this._ranges.length > 0 ) {\n\t\t\tconst range = this._ranges[ this._ranges.length - 1 ];\n\n\t\t\treturn this._lastRangeBackward ? range.end : range.start;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Selection focus. Focus is the position where the selection ends. If a user is making a selection\n\t * by dragging the mouse, the focus is where the mouse cursor is.\n\t *\n\t * May be set to `null` if there are no ranges in the selection.\n\t *\n\t * @see #anchor\n\t * @readonly\n\t * @type {module:engine/model/position~Position|null}\n\t */\n\tget focus() {\n\t\tif ( this._ranges.length > 0 ) {\n\t\t\tconst range = this._ranges[ this._ranges.length - 1 ];\n\n\t\t\treturn this._lastRangeBackward ? range.start : range.end;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Whether the selection is collapsed. Selection is collapsed when there is exactly one range in it\n\t * and it is collapsed.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\tconst length = this._ranges.length;\n\n\t\tif ( length === 1 ) {\n\t\t\treturn this._ranges[ 0 ].isCollapsed;\n\t\t} else {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t/**\n\t * Returns the number of ranges in the selection.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget rangeCount() {\n\t\treturn this._ranges.length;\n\t}\n\n\t/**\n\t * Specifies whether the selection's {@link #focus} precedes the selection's {@link #anchor}.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isBackward() {\n\t\treturn !this.isCollapsed && this._lastRangeBackward;\n\t}\n\n\t/**\n\t * Checks whether this selection is equal to the given selection. Selections are equal if they have the same directions,\n\t * the same number of ranges and all ranges from one selection equal to ranges from the another selection.\n\t *\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} otherSelection\n\t * Selection to compare with.\n\t * @returns {Boolean} `true` if selections are equal, `false` otherwise.\n\t */\n\tisEqual( otherSelection ) {\n\t\tif ( this.rangeCount != otherSelection.rangeCount ) {\n\t\t\treturn false;\n\t\t} else if ( this.rangeCount === 0 ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif ( !this.anchor.isEqual( otherSelection.anchor ) || !this.focus.isEqual( otherSelection.focus ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tfor ( const thisRange of this._ranges ) {\n\t\t\tlet found = false;\n\n\t\t\tfor ( const otherRange of otherSelection._ranges ) {\n\t\t\t\tif ( thisRange.isEqual( otherRange ) ) {\n\t\t\t\t\tfound = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( !found ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Returns an iterable object that iterates over copies of selection ranges.\n\t *\n\t * @returns {Iterable.<module:engine/model/range~Range>}\n\t */\n\t* getRanges() {\n\t\tfor ( const range of this._ranges ) {\n\t\t\tyield new Range( range.start, range.end );\n\t\t}\n\t}\n\n\t/**\n\t * Returns a copy of the first range in the selection.\n\t * First range is the one which {@link module:engine/model/range~Range#start start} position\n\t * {@link module:engine/model/position~Position#isBefore is before} start position of all other ranges\n\t * (not to confuse with the first range added to the selection).\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetFirstRange() {\n\t\tlet first = null;\n\n\t\tfor ( const range of this._ranges ) {\n\t\t\tif ( !first || range.start.isBefore( first.start ) ) {\n\t\t\t\tfirst = range;\n\t\t\t}\n\t\t}\n\n\t\treturn first ? new Range( first.start, first.end ) : null;\n\t}\n\n\t/**\n\t * Returns a copy of the last range in the selection.\n\t * Last range is the one which {@link module:engine/model/range~Range#end end} position\n\t * {@link module:engine/model/position~Position#isAfter is after} end position of all other ranges (not to confuse with the range most\n\t * recently added to the selection).\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetLastRange() {\n\t\tlet last = null;\n\n\t\tfor ( const range of this._ranges ) {\n\t\t\tif ( !last || range.end.isAfter( last.end ) ) {\n\t\t\t\tlast = range;\n\t\t\t}\n\t\t}\n\n\t\treturn last ? new Range( last.start, last.end ) : null;\n\t}\n\n\t/**\n\t * Returns the first position in the selection.\n\t * First position is the position that {@link module:engine/model/position~Position#isBefore is before}\n\t * any other position in the selection.\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/position~Position|null}\n\t */\n\tgetFirstPosition() {\n\t\tconst first = this.getFirstRange();\n\n\t\treturn first ? first.start.clone() : null;\n\t}\n\n\t/**\n\t * Returns the last position in the selection.\n\t * Last position is the position that {@link module:engine/model/position~Position#isAfter is after}\n\t * any other position in the selection.\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/position~Position|null}\n\t */\n\tgetLastPosition() {\n\t\tconst lastRange = this.getLastRange();\n\n\t\treturn lastRange ? lastRange.end.clone() : null;\n\t}\n\n\t/**\n\t * Sets this selection's ranges and direction to the specified location based on the given\n\t * {@link module:engine/model/selection~Selectable selectable}.\n\t *\n\t *\t\t// Removes all selection's ranges.\n\t *\t\tselection.setTo( null );\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tselection.setTo( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t *\t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tselection.setTo( ranges );\n\t *\n\t *\t\t// Sets selection to other selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tselection.setTo( otherSelection );\n\t *\n\t *\t\t// Sets selection to the given document selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst documentSelection = new DocumentSelection( doc );\n\t *\t\tselection.setTo( documentSelection );\n\t *\n\t *\t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tselection.setTo( position );\n\t *\n\t *\t\t// Sets collapsed selection at the position of the given node and an offset.\n\t *\t\tselection.setTo( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/model/element~Element element} which starts before the first child of\n \t * that element and ends after the last child of that element.\n\t *\n\t *\t\tselection.setTo( paragraph, 'in' );\n\t *\n\t * Creates a range on an {@link module:engine/model/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\tselection.setTo( paragraph, 'on' );\n\t *\n\t * `Selection#setTo()`' method allow passing additional options (`backward`) as the last argument.\n\t *\n\t *\t\t// Sets backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t */\n\tsetTo( selectable, placeOrOffset, options ) {\n\t\tif ( selectable === null ) {\n\t\t\tthis._setRanges( [] );\n\t\t} else if ( selectable instanceof Selection ) {\n\t\t\tthis._setRanges( selectable.getRanges(), selectable.isBackward );\n\t\t} else if ( selectable && typeof selectable.getRanges == 'function' ) {\n\t\t\t// We assume that the selectable is a DocumentSelection.\n\t\t\t// It can't be imported here, because it would lead to circular imports.\n\t\t\tthis._setRanges( selectable.getRanges(), selectable.isBackward );\n\t\t} else if ( selectable instanceof Range ) {\n\t\t\tthis._setRanges( [ selectable ], !!placeOrOffset && !!placeOrOffset.backward );\n\t\t} else if ( selectable instanceof Position ) {\n\t\t\tthis._setRanges( [ new Range( selectable ) ] );\n\t\t} else if ( selectable instanceof Node ) {\n\t\t\tconst backward = !!options && !!options.backward;\n\t\t\tlet range;\n\n\t\t\tif ( placeOrOffset == 'in' ) {\n\t\t\t\trange = Range._createIn( selectable );\n\t\t\t} else if ( placeOrOffset == 'on' ) {\n\t\t\t\trange = Range._createOn( selectable );\n\t\t\t} else if ( placeOrOffset !== undefined ) {\n\t\t\t\trange = new Range( Position._createAt( selectable, placeOrOffset ) );\n\t\t\t} else {\n\t\t\t\t/**\n\t\t\t\t * selection.setTo requires the second parameter when the first parameter is a node.\n\t\t\t\t *\n\t\t\t\t * @error model-selection-setto-required-second-parameter\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-selection-setto-required-second-parameter', [ this, selectable ] );\n\t\t\t}\n\n\t\t\tthis._setRanges( [ range ], backward );\n\t\t} else if ( isIterable( selectable ) ) {\n\t\t\t// We assume that the selectable is an iterable of ranges.\n\t\t\tthis._setRanges( selectable, placeOrOffset && !!placeOrOffset.backward );\n\t\t} else {\n\t\t\t/**\n\t\t\t * Cannot set the selection to the given place.\n\t\t\t *\n\t\t\t * Invalid parameters were specified when setting the selection. Common issues:\n\t\t\t *\n\t\t\t * * A {@link module:engine/model/textproxy~TextProxy} instance was passed instead of\n\t\t\t * a real {@link module:engine/model/text~Text}.\n\t\t\t * * View nodes were passed instead of model nodes.\n\t\t\t * * `null`/`undefined` was passed.\n\t\t\t *\n\t\t\t * @error model-selection-setto-not-selectable\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-selection-setto-not-selectable', [ this, selectable ] );\n\t\t}\n\t}\n\n\t/**\n\t * Replaces all ranges that were added to the selection with given array of ranges. Last range of the array\n\t * is treated like the last added range and is used to set {@link module:engine/model/selection~Selection#anchor} and\n\t * {@link module:engine/model/selection~Selection#focus}. Accepts a flag describing in which direction the selection is made.\n\t *\n\t * @protected\n\t * @fires change:range\n\t * @param {Iterable.<module:engine/model/range~Range>} newRanges Ranges to set.\n\t * @param {Boolean} [isLastBackward=false] Flag describing if last added range was selected forward - from start to end (`false`)\n\t * or backward - from end to start (`true`).\n\t */\n\t_setRanges( newRanges, isLastBackward = false ) {\n\t\tnewRanges = Array.from( newRanges );\n\n\t\t// Check whether there is any range in new ranges set that is different than all already added ranges.\n\t\tconst anyNewRange = newRanges.some( newRange => {\n\t\t\tif ( !( newRange instanceof Range ) ) {\n\t\t\t\t/**\n\t\t\t\t * Selection range set to an object that is not an instance of {@link module:engine/model/range~Range}.\n\t\t\t\t *\n\t\t\t\t * Only {@link module:engine/model/range~Range} instances can be used to set a selection.\n\t\t\t\t * Common mistakes leading to this error are:\n\t\t\t\t *\n\t\t\t\t * * using DOM `Range` object,\n\t\t\t\t * * incorrect CKEditor 5 installation with multiple `ckeditor5-engine` packages having different versions.\n\t\t\t\t *\n\t\t\t\t * @error model-selection-set-ranges-not-range\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'model-selection-set-ranges-not-range',\n\t\t\t\t\t[ this, newRanges ]\n\t\t\t\t);\n\t\t\t}\n\n\t\t\treturn this._ranges.every( oldRange => {\n\t\t\t\treturn !oldRange.isEqual( newRange );\n\t\t\t} );\n\t\t} );\n\n\t\t// Don't do anything if nothing changed.\n\t\tif ( newRanges.length === this._ranges.length && !anyNewRange ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._removeAllRanges();\n\n\t\tfor ( const range of newRanges ) {\n\t\t\tthis._pushRange( range );\n\t\t}\n\n\t\tthis._lastRangeBackward = !!isLastBackward;\n\n\t\tthis.fire( 'change:range', { directChange: true } );\n\t}\n\n\t/**\n\t * Moves {@link module:engine/model/selection~Selection#focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as\n\t * {@link module:engine/model/writer~Writer#createPositionAt writer.createPositionAt()} parameters.\n\t *\n\t * @fires change:range\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tsetFocus( itemOrPosition, offset ) {\n\t\tif ( this.anchor === null ) {\n\t\t\t/**\n\t\t\t * Cannot set selection focus if there are no ranges in selection.\n\t\t\t *\n\t\t\t * @error model-selection-setfocus-no-ranges\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-selection-setfocus-no-ranges', [ this, itemOrPosition ] );\n\t\t}\n\n\t\tconst newFocus = Position._createAt( itemOrPosition, offset );\n\n\t\tif ( newFocus.compareWith( this.focus ) == 'same' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst anchor = this.anchor;\n\n\t\tif ( this._ranges.length ) {\n\t\t\tthis._popRange();\n\t\t}\n\n\t\tif ( newFocus.compareWith( anchor ) == 'before' ) {\n\t\t\tthis._pushRange( new Range( newFocus, anchor ) );\n\t\t\tthis._lastRangeBackward = true;\n\t\t} else {\n\t\t\tthis._pushRange( new Range( anchor, newFocus ) );\n\t\t\tthis._lastRangeBackward = false;\n\t\t}\n\n\t\tthis.fire( 'change:range', { directChange: true } );\n\t}\n\n\t/**\n\t * Gets an attribute value for given key or `undefined` if that attribute is not set on the selection.\n\t *\n\t * @param {String} key Key of attribute to look for.\n\t * @returns {*} Attribute value or `undefined`.\n\t */\n\tgetAttribute( key ) {\n\t\treturn this._attrs.get( key );\n\t}\n\n\t/**\n\t * Returns iterable that iterates over this selection's attributes.\n\t *\n\t * Attributes are returned as arrays containing two items. First one is attribute key and second is attribute value.\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\tgetAttributes() {\n\t\treturn this._attrs.entries();\n\t}\n\n\t/**\n\t * Returns iterable that iterates over this selection's attribute keys.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetAttributeKeys() {\n\t\treturn this._attrs.keys();\n\t}\n\n\t/**\n\t * Checks if the selection has an attribute for given key.\n\t *\n\t * @param {String} key Key of attribute to check.\n\t * @returns {Boolean} `true` if attribute with given key is set on selection, `false` otherwise.\n\t */\n\thasAttribute( key ) {\n\t\treturn this._attrs.has( key );\n\t}\n\n\t/**\n\t * Removes an attribute with given key from the selection.\n\t *\n\t * If given attribute was set on the selection, fires the {@link #event:change:range} event with\n\t * removed attribute key.\n\t *\n\t * @fires change:attribute\n\t * @param {String} key Key of attribute to remove.\n\t */\n\tremoveAttribute( key ) {\n\t\tif ( this.hasAttribute( key ) ) {\n\t\t\tthis._attrs.delete( key );\n\n\t\t\tthis.fire( 'change:attribute', { attributeKeys: [ key ], directChange: true } );\n\t\t}\n\t}\n\n\t/**\n\t * Sets attribute on the selection. If attribute with the same key already is set, it's value is overwritten.\n\t *\n\t * If the attribute value has changed, fires the {@link #event:change:range} event with\n\t * the attribute key.\n\t *\n\t * @fires change:attribute\n\t * @param {String} key Key of attribute to set.\n\t * @param {*} value Attribute value.\n\t */\n\tsetAttribute( key, value ) {\n\t\tif ( this.getAttribute( key ) !== value ) {\n\t\t\tthis._attrs.set( key, value );\n\n\t\t\tthis.fire( 'change:attribute', { attributeKeys: [ key ], directChange: true } );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the selected element. {@link module:engine/model/element~Element Element} is considered as selected if there is only\n\t * one range in the selection, and that range contains exactly one element.\n\t * Returns `null` if there is no selected element.\n\t *\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tgetSelectedElement() {\n\t\tif ( this.rangeCount !== 1 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.getFirstRange().getContainedElement();\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tselection.is( 'selection' ); // -> true\n\t *\t\tselection.is( 'model:selection' ); // -> true\n\t *\n\t *\t\tselection.is( 'view:selection' ); // -> false\n\t *\t\tselection.is( 'range' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'selection' || type === 'model:selection';\n\t}\n\n\t/**\n\t * Gets elements of type {@link module:engine/model/schema~Schema#isBlock \"block\"} touched by the selection.\n\t *\n\t * This method's result can be used for example to apply block styling to all blocks covered by this selection.\n\t *\n\t * **Note:** `getSelectedBlocks()` returns blocks that are nested in other non-block elements\n\t * but will not return blocks nested in other blocks.\n\t *\n\t * In this case the function will return exactly all 3 paragraphs (note: `<blockQuote>` is not a block itself):\n\t *\n\t *\t\t<paragraph>[a</paragraph>\n\t *\t\t<blockQuote>\n\t *\t\t\t<paragraph>b</paragraph>\n\t *\t\t</blockQuote>\n\t *\t\t<paragraph>c]d</paragraph>\n\t *\n\t * In this case the paragraph will also be returned, despite the collapsed selection:\n\t *\n\t *\t\t<paragraph>[]a</paragraph>\n\t *\n\t * In such a scenario, however, only blocks A, B & E will be returned as blocks C & D are nested in block B:\n\t *\n\t *\t\t[<blockA></blockA>\n\t *\t\t<blockB>\n\t *\t\t\t<blockC></blockC>\n\t *\t\t\t<blockD></blockD>\n\t *\t\t</blockB>\n\t *\t\t<blockE></blockE>]\n\t *\n\t * If the selection is inside a block all the inner blocks (A & B) are returned:\n\t *\n\t * \t\t<block>\n\t *\t\t\t<blockA>[a</blockA>\n\t * \t\t\t<blockB>b]</blockB>\n\t * \t\t</block>\n\t *\n\t * **Special case**: If a selection ends at the beginning of a block, that block is not returned as from user perspective\n\t * this block wasn't selected. See [#984](https://github.com/ckeditor/ckeditor5-engine/issues/984) for more details.\n\t *\n\t *\t\t<paragraph>[a</paragraph>\n\t *\t\t<paragraph>b</paragraph>\n\t *\t\t<paragraph>]c</paragraph> // this block will not be returned\n\t *\n\t * @returns {Iterable.<module:engine/model/element~Element>}\n\t */\n\t* getSelectedBlocks() {\n\t\tconst visited = new WeakSet();\n\n\t\tfor ( const range of this.getRanges() ) {\n\t\t\t// Get start block of range in case of a collapsed range.\n\t\t\tconst startBlock = getParentBlock( range.start, visited );\n\n\t\t\tif ( startBlock && isTopBlockInRange( startBlock, range ) ) {\n\t\t\t\tyield startBlock;\n\t\t\t}\n\n\t\t\tfor ( const value of range.getWalker() ) {\n\t\t\t\tconst block = value.item;\n\n\t\t\t\tif ( value.type == 'elementEnd' && isUnvisitedTopBlock( block, visited, range ) ) {\n\t\t\t\t\tyield block;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst endBlock = getParentBlock( range.end, visited );\n\n\t\t\t// #984. Don't return the end block if the range ends right at its beginning.\n\t\t\tif ( endBlock && !range.end.isTouching( Position._createAt( endBlock, 0 ) ) && isTopBlockInRange( endBlock, range ) ) {\n\t\t\t\tyield endBlock;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether the selection contains the entire content of the given element. This means that selection must start\n\t * at a position {@link module:engine/model/position~Position#isTouching touching} the element's start and ends at position\n\t * touching the element's end.\n\t *\n\t * By default, this method will check whether the entire content of the selection's current root is selected.\n\t * Useful to check if e.g. the user has just pressed <kbd>Ctrl</kbd> + <kbd>A</kbd>.\n\t *\n\t * @param {module:engine/model/element~Element} [element=this.anchor.root]\n\t * @returns {Boolean}\n\t */\n\tcontainsEntireContent( element = this.anchor.root ) {\n\t\tconst limitStartPosition = Position._createAt( element, 0 );\n\t\tconst limitEndPosition = Position._createAt( element, 'end' );\n\n\t\treturn limitStartPosition.isTouching( this.getFirstPosition() ) &&\n\t\t\tlimitEndPosition.isTouching( this.getLastPosition() );\n\t}\n\n\t/**\n\t * Adds given range to internal {@link #_ranges ranges array}. Throws an error\n\t * if given range is intersecting with any range that is already stored in this selection.\n\t *\n\t * @protected\n\t * @param {module:engine/model/range~Range} range Range to add.\n\t */\n\t_pushRange( range ) {\n\t\tthis._checkRange( range );\n\t\tthis._ranges.push( new Range( range.start, range.end ) );\n\t}\n\n\t/**\n\t * Checks if given range intersects with ranges that are already in the selection. Throws an error if it does.\n\t *\n\t * @protected\n\t * @param {module:engine/model/range~Range} range Range to check.\n\t */\n\t_checkRange( range ) {\n\t\tfor ( let i = 0; i < this._ranges.length; i++ ) {\n\t\t\tif ( range.isIntersecting( this._ranges[ i ] ) ) {\n\t\t\t\t/**\n\t\t\t\t * Trying to add a range that intersects with another range in the selection.\n\t\t\t\t *\n\t\t\t\t * @error model-selection-range-intersects\n\t\t\t\t * @param {module:engine/model/range~Range} addedRange Range that was added to the selection.\n\t\t\t\t * @param {module:engine/model/range~Range} intersectingRange Range in the selection that intersects with `addedRange`.\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'model-selection-range-intersects',\n\t\t\t\t\t[ this, range ],\n\t\t\t\t\t{ addedRange: range, intersectingRange: this._ranges[ i ] }\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Deletes ranges from internal range array. Uses {@link #_popRange _popRange} to\n\t * ensure proper ranges removal.\n\t *\n\t * @protected\n\t */\n\t_removeAllRanges() {\n\t\twhile ( this._ranges.length > 0 ) {\n\t\t\tthis._popRange();\n\t\t}\n\t}\n\n\t/**\n\t * Removes most recently added range from the selection.\n\t *\n\t * @protected\n\t */\n\t_popRange() {\n\t\tthis._ranges.pop();\n\t}\n\n\t/**\n\t * Fired when selection range(s) changed.\n\t *\n\t * @event change:range\n\t * @param {Boolean} directChange In case of {@link module:engine/model/selection~Selection} class it is always set\n\t * to `true` which indicates that the selection change was caused by a direct use of selection's API.\n\t * The {@link module:engine/model/documentselection~DocumentSelection}, however, may change because its position\n\t * was directly changed through the {@link module:engine/model/writer~Writer writer} or because its position was\n\t * changed because the structure of the model has been changed (which means an indirect change).\n\t * The indirect change does not occur in case of normal (detached) selections because they are \"static\" (as \"not live\")\n\t * which mean that they are not updated once the document changes.\n\t */\n\n\t/**\n\t * Fired when selection attribute changed.\n\t *\n\t * @event change:attribute\n\t * @param {Boolean} directChange In case of {@link module:engine/model/selection~Selection} class it is always set\n\t * to `true` which indicates that the selection change was caused by a direct use of selection's API.\n\t * The {@link module:engine/model/documentselection~DocumentSelection}, however, may change because its attributes\n\t * were directly changed through the {@link module:engine/model/writer~Writer writer} or because its position was\n\t * changed in the model and its attributes were refreshed (which means an indirect change).\n\t * The indirect change does not occur in case of normal (detached) selections because they are \"static\" (as \"not live\")\n\t * which mean that they are not updated once the document changes.\n\t * @param {Array.<String>} attributeKeys Array containing keys of attributes that changed.\n\t */\n}\n\nmix( Selection, EmitterMixin );\n\n// Checks whether the given element extends $block in the schema and has a parent (is not a root).\n// Marks it as already visited.\nfunction isUnvisitedBlock( element, visited ) {\n\tif ( visited.has( element ) ) {\n\t\treturn false;\n\t}\n\n\tvisited.add( element );\n\n\treturn element.root.document.model.schema.isBlock( element ) && element.parent;\n}\n\n// Checks if the given element is a $block was not previously visited and is a top block in a range.\nfunction isUnvisitedTopBlock( element, visited, range ) {\n\treturn isUnvisitedBlock( element, visited ) && isTopBlockInRange( element, range );\n}\n\n// Finds the lowest element in position's ancestors which is a block.\n// It will search until first ancestor that is a limit element.\n// Marks all ancestors as already visited to not include any of them later on.\nfunction getParentBlock( position, visited ) {\n\tconst element = position.parent;\n\tconst schema = element.root.document.model.schema;\n\n\tconst ancestors = position.parent.getAncestors( { parentFirst: true, includeSelf: true } );\n\n\tlet hasParentLimit = false;\n\n\tconst block = ancestors.find( element => {\n\t\t// Stop searching after first parent node that is limit element.\n\t\tif ( hasParentLimit ) {\n\t\t\treturn false;\n\t\t}\n\n\t\thasParentLimit = schema.isLimit( element );\n\n\t\treturn !hasParentLimit && isUnvisitedBlock( element, visited );\n\t} );\n\n\t// Mark all ancestors of this position's parent, because find() might've stopped early and\n\t// the found block may be a child of another block.\n\tancestors.forEach( element => visited.add( element ) );\n\n\treturn block;\n}\n\n// Checks if the blocks is not nested in other block inside a range.\n//\n// @param {module:engine/model/element~Element} block Block to check.\n// @param {module:engine/model/range~Range} range Range to check.\nfunction isTopBlockInRange( block, range ) {\n\tconst parentBlock = findAncestorBlock( block );\n\n\tif ( !parentBlock ) {\n\t\treturn true;\n\t}\n\n\t// Add loose flag to check as parentRange can be equal to range.\n\tconst isParentInRange = range.containsRange( Range._createOn( parentBlock ), true );\n\n\treturn !isParentInRange;\n}\n\n// Returns first ancestor block of a node.\n//\n// @param {module:engine/model/node~Node} node\n// @returns {module:engine/model/node~Node|undefined}\nfunction findAncestorBlock( node ) {\n\tconst schema = node.root.document.model.schema;\n\n\tlet parent = node.parent;\n\n\twhile ( parent ) {\n\t\tif ( schema.isBlock( parent ) ) {\n\t\t\treturn parent;\n\t\t}\n\n\t\tparent = parent.parent;\n\t}\n}\n\n/**\n * An entity that is used to set selection.\n *\n * See also {@link module:engine/model/selection~Selection#setTo}\n *\n * @typedef {\n *     module:engine/model/selection~Selection|\n *     module:engine/model/documentselection~DocumentSelection|\n *     module:engine/model/position~Position|\n *     module:engine/model/range~Range|\n *     module:engine/model/node~Node|\n *     Iterable.<module:engine/model/range~Range>|\n *     null\n * } module:engine/model/selection~Selectable\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/liverange\n */\n\nimport Range from './range';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * `LiveRange` is a type of {@link module:engine/model/range~Range Range}\n * that updates itself as {@link module:engine/model/document~Document document}\n * is changed through operations. It may be used as a bookmark.\n *\n * **Note:** Be very careful when dealing with `LiveRange`. Each `LiveRange` instance bind events that might\n * have to be unbound. Use {@link module:engine/model/liverange~LiveRange#detach detach} whenever you don't need `LiveRange` anymore.\n */\nexport default class LiveRange extends Range {\n\t/**\n\t * Creates a live range.\n\t *\n\t * @see module:engine/model/range~Range\n\t */\n\tconstructor( start, end ) {\n\t\tsuper( start, end );\n\n\t\tbindWithDocument.call( this );\n\t}\n\n\t/**\n\t * Unbinds all events previously bound by `LiveRange`. Use it whenever you don't need `LiveRange` instance\n\t * anymore (i.e. when leaving scope in which it was declared or before re-assigning variable that was\n\t * referring to it).\n\t */\n\tdetach() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tliveRange.is( 'range' ); // -> true\n\t *\t\tliveRange.is( 'model:range' ); // -> true\n\t *\t\tliveRange.is( 'liveRange' ); // -> true\n\t *\t\tliveRange.is( 'model:liveRange' ); // -> true\n\t *\n\t *\t\tliveRange.is( 'view:range' ); // -> false\n\t *\t\tliveRange.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'liveRange' || type === 'model:liveRange' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype == 'range' || type === 'model:range';\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/model/range~Range range instance} that is equal to this live range.\n\t *\n\t * @returns {module:engine/model/range~Range}\n\t */\n\ttoRange() {\n\t\treturn new Range( this.start, this.end );\n\t}\n\n\t/**\n\t * Creates a `LiveRange` instance that is equal to the given range.\n\t *\n\t * @param {module:engine/model/range~Range} range\n\t * @returns {module:engine/model/liverange~LiveRange}\n\t */\n\tstatic fromRange( range ) {\n\t\treturn new LiveRange( range.start, range.end );\n\t}\n\n\t/**\n\t * @see module:engine/model/range~Range._createIn\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liverange~LiveRange._createIn\n\t * @param {module:engine/model/element~Element} element\n\t * @returns {module:engine/model/liverange~LiveRange}\n\t */\n\n\t/**\n\t * @see module:engine/model/range~Range._createOn\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liverange~LiveRange._createOn\n\t * @param {module:engine/model/element~Element} element\n\t * @returns {module:engine/model/liverange~LiveRange}\n\t */\n\n\t/**\n\t * @see module:engine/model/range~Range._createFromPositionAndShift\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liverange~LiveRange._createFromPositionAndShift\n\t * @param {module:engine/model/position~Position} position\n\t * @param {Number} shift\n\t * @returns {module:engine/model/liverange~LiveRange}\n\t */\n\n\t/**\n\t * Fired when `LiveRange` instance boundaries have changed due to changes in the\n\t * {@link module:engine/model/document~Document document}.\n\t *\n\t * @event change:range\n\t * @param {module:engine/model/range~Range} oldRange Range with start and end position equal to start and end position of this live\n\t * range before it got changed.\n\t * @param {Object} data Object with additional information about the change.\n\t * @param {module:engine/model/position~Position|null} data.deletionPosition Source position for remove and merge changes.\n\t * Available if the range was moved to the graveyard root, `null` otherwise.\n\t */\n\n\t/**\n\t * Fired when `LiveRange` instance boundaries have not changed after a change in {@link module:engine/model/document~Document document}\n\t * but the change took place inside the range, effectively changing its content.\n\t *\n\t * @event change:content\n\t * @param {module:engine/model/range~Range} range Range with start and end position equal to start and end position of\n\t * change range.\n\t * @param {Object} data Object with additional information about the change.\n\t * @param {null} data.deletionPosition Due to the nature of this event, this property is always set to `null`. It is passed\n\t * for compatibility with the {@link module:engine/model/liverange~LiveRange#event:change:range} event.\n\t */\n}\n\n// Binds this `LiveRange` to the {@link module:engine/model/document~Document document}\n// that owns this range's {@link module:engine/model/range~Range#root root}.\n//\n// @private\nfunction bindWithDocument() {\n\tthis.listenTo(\n\t\tthis.root.document.model,\n\t\t'applyOperation',\n\t\t( event, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( !operation.isDocumentOperation ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\ttransform.call( this, operation );\n\t\t},\n\t\t{ priority: 'low' }\n\t);\n}\n\n// Updates this range accordingly to the updates applied to the model. Bases on change events.\n//\n// @private\n// @param {module:engine/model/operation/operation~Operation} operation Executed operation.\nfunction transform( operation ) {\n\t// Transform the range by the operation. Join the result ranges if needed.\n\tconst ranges = this.getTransformedByOperation( operation );\n\tconst result = Range._createFromRanges( ranges );\n\n\tconst boundariesChanged = !result.isEqual( this );\n\tconst contentChanged = doesOperationChangeRangeContent( this, operation );\n\n\tlet deletionPosition = null;\n\n\tif ( boundariesChanged ) {\n\t\t// If range boundaries have changed, fire `change:range` event.\n\t\t//\n\t\tif ( result.root.rootName == '$graveyard' ) {\n\t\t\t// If the range was moved to the graveyard root, set `deletionPosition`.\n\t\t\tif ( operation.type == 'remove' ) {\n\t\t\t\tdeletionPosition = operation.sourcePosition;\n\t\t\t} else {\n\t\t\t\t// Merge operation.\n\t\t\t\tdeletionPosition = operation.deletionPosition;\n\t\t\t}\n\t\t}\n\n\t\tconst oldRange = this.toRange();\n\n\t\tthis.start = result.start;\n\t\tthis.end = result.end;\n\n\t\tthis.fire( 'change:range', oldRange, { deletionPosition } );\n\t} else if ( contentChanged ) {\n\t\t// If range boundaries have not changed, but there was change inside the range, fire `change:content` event.\n\t\tthis.fire( 'change:content', this.toRange(), { deletionPosition } );\n\t}\n}\n\n// Checks whether given operation changes something inside the range (even if it does not change boundaries).\n//\n// @private\n// @param {module:engine/model/range~Range} range Range to check.\n// @param {module:engine/model/operation/operation~Operation} operation Executed operation.\n// @returns {Boolean}\nfunction doesOperationChangeRangeContent( range, operation ) {\n\tswitch ( operation.type ) {\n\t\tcase 'insert':\n\t\t\treturn range.containsPosition( operation.position );\n\t\tcase 'move':\n\t\tcase 'remove':\n\t\tcase 'reinsert':\n\t\tcase 'merge':\n\t\t\treturn range.containsPosition( operation.sourcePosition ) ||\n\t\t\t\trange.start.isEqual( operation.sourcePosition ) ||\n\t\t\t\trange.containsPosition( operation.targetPosition );\n\t\tcase 'split':\n\t\t\treturn range.containsPosition( operation.splitPosition ) || range.containsPosition( operation.insertionPosition );\n\t}\n\n\treturn false;\n}\n\nmix( LiveRange, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/documentselection\n */\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\n\nimport Selection from './selection';\nimport LiveRange from './liverange';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\n\nconst storePrefix = 'selection:';\n\n/**\n * `DocumentSelection` is a special selection which is used as the\n * {@link module:engine/model/document~Document#selection document's selection}.\n * There can be only one instance of `DocumentSelection` per document.\n *\n * Document selection can only be changed by using the {@link module:engine/model/writer~Writer} instance\n * inside the {@link module:engine/model/model~Model#change `change()`} block, as it provides a secure way to modify model.\n *\n * `DocumentSelection` is automatically updated upon changes in the {@link module:engine/model/document~Document document}\n * to always contain valid ranges. Its attributes are inherited from the text unless set explicitly.\n *\n * Differences between {@link module:engine/model/selection~Selection} and `DocumentSelection` are:\n * * there is always a range in `DocumentSelection` - even if no ranges were added there is a \"default range\"\n * present in the selection,\n * * ranges added to this selection updates automatically when the document changes,\n * * attributes of `DocumentSelection` are updated automatically according to selection ranges.\n *\n * Since `DocumentSelection` uses {@link module:engine/model/liverange~LiveRange live ranges}\n * and is updated when {@link module:engine/model/document~Document document}\n * changes, it cannot be set on {@link module:engine/model/node~Node nodes}\n * that are inside {@link module:engine/model/documentfragment~DocumentFragment document fragment}.\n * If you need to represent a selection in document fragment,\n * use {@link module:engine/model/selection~Selection Selection class} instead.\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class DocumentSelection {\n\t/**\n\t * Creates an empty live selection for given {@link module:engine/model/document~Document}.\n\t *\n\t * @param {module:engine/model/document~Document} doc Document which owns this selection.\n\t */\n\tconstructor( doc ) {\n\t\t/**\n\t\t * Selection used internally by that class (`DocumentSelection` is a proxy to that selection).\n\t\t *\n\t\t * @protected\n\t\t */\n\t\tthis._selection = new LiveSelection( doc );\n\n\t\tthis._selection.delegate( 'change:range' ).to( this );\n\t\tthis._selection.delegate( 'change:attribute' ).to( this );\n\t\tthis._selection.delegate( 'change:marker' ).to( this );\n\t}\n\n\t/**\n\t * Returns whether the selection is collapsed. Selection is collapsed when there is exactly one range which is\n\t * collapsed.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isCollapsed() {\n\t\treturn this._selection.isCollapsed;\n\t}\n\n\t/**\n\t * Selection anchor. Anchor may be described as a position where the most recent part of the selection starts.\n\t * Together with {@link #focus} they define the direction of selection, which is important\n\t * when expanding/shrinking selection. Anchor is always {@link module:engine/model/range~Range#start start} or\n\t * {@link module:engine/model/range~Range#end end} position of the most recently added range.\n\t *\n\t * Is set to `null` if there are no ranges in selection.\n\t *\n\t * @see #focus\n\t * @readonly\n\t * @type {module:engine/model/position~Position|null}\n\t */\n\tget anchor() {\n\t\treturn this._selection.anchor;\n\t}\n\n\t/**\n\t * Selection focus. Focus is a position where the selection ends.\n\t *\n\t * Is set to `null` if there are no ranges in selection.\n\t *\n\t * @see #anchor\n\t * @readonly\n\t * @type {module:engine/model/position~Position|null}\n\t */\n\tget focus() {\n\t\treturn this._selection.focus;\n\t}\n\n\t/**\n\t * Returns number of ranges in selection.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget rangeCount() {\n\t\treturn this._selection.rangeCount;\n\t}\n\n\t/**\n\t * Describes whether `Documentselection` has own range(s) set, or if it is defaulted to\n\t * {@link module:engine/model/document~Document#_getDefaultRange document's default range}.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget hasOwnRange() {\n\t\treturn this._selection.hasOwnRange;\n\t}\n\n\t/**\n\t * Specifies whether the {@link #focus}\n\t * precedes {@link #anchor}.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isBackward() {\n\t\treturn this._selection.isBackward;\n\t}\n\n\t/**\n\t * Describes whether the gravity is overridden (using {@link module:engine/model/writer~Writer#overrideSelectionGravity}) or not.\n\t *\n\t * Note that the gravity remains overridden as long as will not be restored the same number of times as it was overridden.\n\t *\n\t * @readonly\n\t * @returns {Boolean}\n\t */\n\tget isGravityOverridden() {\n\t\treturn this._selection.isGravityOverridden;\n\t}\n\n\t/**\n\t * A collection of selection {@link module:engine/model/markercollection~Marker markers}.\n\t * Marker is a selection marker when selection range is inside the marker range.\n\t *\n\t * **Note**: Only markers from {@link ~DocumentSelection#observeMarkers observed markers groups} are collected.\n\t *\n\t * @readonly\n\t * @type {module:utils/collection~Collection}\n\t */\n\tget markers() {\n\t\treturn this._selection.markers;\n\t}\n\n\t/**\n\t * Used for the compatibility with the {@link module:engine/model/selection~Selection#isEqual} method.\n\t *\n\t * @protected\n\t */\n\tget _ranges() {\n\t\treturn this._selection._ranges;\n\t}\n\n\t/**\n\t * Returns an iterable that iterates over copies of selection ranges.\n\t *\n\t * @returns {Iterable.<module:engine/model/range~Range>}\n\t */\n\tgetRanges() {\n\t\treturn this._selection.getRanges();\n\t}\n\n\t/**\n\t * Returns the first position in the selection.\n\t * First position is the position that {@link module:engine/model/position~Position#isBefore is before}\n\t * any other position in the selection.\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/position~Position|null}\n\t */\n\tgetFirstPosition() {\n\t\treturn this._selection.getFirstPosition();\n\t}\n\n\t/**\n\t * Returns the last position in the selection.\n\t * Last position is the position that {@link module:engine/model/position~Position#isAfter is after}\n\t * any other position in the selection.\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/position~Position|null}\n\t */\n\tgetLastPosition() {\n\t\treturn this._selection.getLastPosition();\n\t}\n\n\t/**\n\t * Returns a copy of the first range in the selection.\n\t * First range is the one which {@link module:engine/model/range~Range#start start} position\n\t * {@link module:engine/model/position~Position#isBefore is before} start position of all other ranges\n\t * (not to confuse with the first range added to the selection).\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetFirstRange() {\n\t\treturn this._selection.getFirstRange();\n\t}\n\n\t/**\n\t * Returns a copy of the last range in the selection.\n\t * Last range is the one which {@link module:engine/model/range~Range#end end} position\n\t * {@link module:engine/model/position~Position#isAfter is after} end position of all other ranges (not to confuse with the range most\n\t * recently added to the selection).\n\t *\n\t * Returns `null` if there are no ranges in selection.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetLastRange() {\n\t\treturn this._selection.getLastRange();\n\t}\n\n\t/**\n\t * Gets elements of type {@link module:engine/model/schema~Schema#isBlock \"block\"} touched by the selection.\n\t *\n\t * This method's result can be used for example to apply block styling to all blocks covered by this selection.\n\t *\n\t * **Note:** `getSelectedBlocks()` returns blocks that are nested in other non-block elements\n\t * but will not return blocks nested in other blocks.\n\t *\n\t * In this case the function will return exactly all 3 paragraphs (note: `<blockQuote>` is not a block itself):\n\t *\n\t *\t\t<paragraph>[a</paragraph>\n\t *\t\t<blockQuote>\n\t *\t\t\t<paragraph>b</paragraph>\n\t *\t\t</blockQuote>\n\t *\t\t<paragraph>c]d</paragraph>\n\t *\n\t * In this case the paragraph will also be returned, despite the collapsed selection:\n\t *\n\t *\t\t<paragraph>[]a</paragraph>\n\t *\n\t * In such a scenario, however, only blocks A, B & E will be returned as blocks C & D are nested in block B:\n\t *\n\t *\t\t[<blockA></blockA>\n\t *\t\t<blockB>\n\t *\t\t\t<blockC></blockC>\n\t *\t\t\t<blockD></blockD>\n\t *\t\t</blockB>\n\t *\t\t<blockE></blockE>]\n\t *\n\t * If the selection is inside a block all the inner blocks (A & B) are returned:\n\t *\n\t * \t\t<block>\n\t *\t\t\t<blockA>[a</blockA>\n\t * \t\t\t<blockB>b]</blockB>\n\t * \t\t</block>\n\t *\n\t * **Special case**: If a selection ends at the beginning of a block, that block is not returned as from user perspective\n\t * this block wasn't selected. See [#984](https://github.com/ckeditor/ckeditor5-engine/issues/984) for more details.\n\t *\n\t *\t\t<paragraph>[a</paragraph>\n\t *\t\t<paragraph>b</paragraph>\n\t *\t\t<paragraph>]c</paragraph> // this block will not be returned\n\t *\n\t * @returns {Iterable.<module:engine/model/element~Element>}\n\t */\n\tgetSelectedBlocks() {\n\t\treturn this._selection.getSelectedBlocks();\n\t}\n\n\t/**\n\t * Returns the selected element. {@link module:engine/model/element~Element Element} is considered as selected if there is only\n\t * one range in the selection, and that range contains exactly one element.\n\t * Returns `null` if there is no selected element.\n\t *\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tgetSelectedElement() {\n\t\treturn this._selection.getSelectedElement();\n\t}\n\n\t/**\n\t * Checks whether the selection contains the entire content of the given element. This means that selection must start\n\t * at a position {@link module:engine/model/position~Position#isTouching touching} the element's start and ends at position\n\t * touching the element's end.\n\t *\n\t * By default, this method will check whether the entire content of the selection's current root is selected.\n\t * Useful to check if e.g. the user has just pressed <kbd>Ctrl</kbd> + <kbd>A</kbd>.\n\t *\n\t * @param {module:engine/model/element~Element} [element=this.anchor.root]\n\t * @returns {Boolean}\n\t */\n\tcontainsEntireContent( element ) {\n\t\treturn this._selection.containsEntireContent( element );\n\t}\n\n\t/**\n\t * Unbinds all events previously bound by document selection.\n\t */\n\tdestroy() {\n\t\tthis._selection.destroy();\n\t}\n\n\t/**\n\t * Returns iterable that iterates over this selection's attribute keys.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetAttributeKeys() {\n\t\treturn this._selection.getAttributeKeys();\n\t}\n\n\t/**\n\t * Returns iterable that iterates over this selection's attributes.\n\t *\n\t * Attributes are returned as arrays containing two items. First one is attribute key and second is attribute value.\n\t * This format is accepted by native `Map` object and also can be passed in `Node` constructor.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\tgetAttributes() {\n\t\treturn this._selection.getAttributes();\n\t}\n\n\t/**\n\t * Gets an attribute value for given key or `undefined` if that attribute is not set on the selection.\n\t *\n\t * @param {String} key Key of attribute to look for.\n\t * @returns {*} Attribute value or `undefined`.\n\t */\n\tgetAttribute( key ) {\n\t\treturn this._selection.getAttribute( key );\n\t}\n\n\t/**\n\t * Checks if the selection has an attribute for given key.\n\t *\n\t * @param {String} key Key of attribute to check.\n\t * @returns {Boolean} `true` if attribute with given key is set on selection, `false` otherwise.\n\t */\n\thasAttribute( key ) {\n\t\treturn this._selection.hasAttribute( key );\n\t}\n\n\t/**\n\t * Refreshes selection attributes and markers according to the current position in the model.\n\t */\n\trefresh() {\n\t\tthis._selection._updateMarkers();\n\t\tthis._selection._updateAttributes( false );\n\t}\n\n\t/**\n\t * Registers a marker group prefix or a marker name to be collected in the\n\t * {@link ~DocumentSelection#markers selection markers collection}.\n\t *\n\t * See also {@link module:engine/model/markercollection~MarkerCollection#getMarkersGroup `MarkerCollection#getMarkersGroup()`}.\n\t *\n\t * @param {String} prefixOrName The marker group prefix or marker name.\n\t */\n\tobserveMarkers( prefixOrName ) {\n\t\tthis._selection.observeMarkers( prefixOrName );\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tselection.is( 'selection' ); // -> true\n\t *\t\tselection.is( 'documentSelection' ); // -> true\n\t *\t\tselection.is( 'model:selection' ); // -> true\n\t *\t\tselection.is( 'model:documentSelection' ); // -> true\n\t *\n\t *\t\tselection.is( 'view:selection' ); // -> false\n\t *\t\tselection.is( 'element' ); // -> false\n\t *\t\tselection.is( 'node' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'selection' ||\n\t\t\ttype == 'model:selection' ||\n\t\t\ttype == 'documentSelection' ||\n\t\t\ttype == 'model:documentSelection';\n\t}\n\n\t/**\n\t * Moves {@link module:engine/model/documentselection~DocumentSelection#focus} to the specified location.\n\t * Should be used only within the {@link module:engine/model/writer~Writer#setSelectionFocus} method.\n\t *\n\t * The location can be specified in the same form as\n\t * {@link module:engine/model/writer~Writer#createPositionAt writer.createPositionAt()} parameters.\n\t *\n\t * @see module:engine/model/writer~Writer#setSelectionFocus\n\t * @protected\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\t_setFocus( itemOrPosition, offset ) {\n\t\tthis._selection.setFocus( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Sets this selection's ranges and direction to the specified location based on the given\n\t * {@link module:engine/model/selection~Selectable selectable}.\n\t * Should be used only within the {@link module:engine/model/writer~Writer#setSelection} method.\n\t *\n\t * @see module:engine/model/writer~Writer#setSelection\n\t * @protected\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t */\n\t_setTo( selectable, placeOrOffset, options ) {\n\t\tthis._selection.setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Sets attribute on the selection. If attribute with the same key already is set, it's value is overwritten.\n\t * Should be used only within the {@link module:engine/model/writer~Writer#setSelectionAttribute} method.\n\t *\n\t * @see module:engine/model/writer~Writer#setSelectionAttribute\n\t * @protected\n\t * @param {String} key Key of the attribute to set.\n\t * @param {*} value Attribute value.\n\t */\n\t_setAttribute( key, value ) {\n\t\tthis._selection.setAttribute( key, value );\n\t}\n\n\t/**\n\t * Removes an attribute with given key from the selection.\n\t * If the given attribute was set on the selection, fires the {@link module:engine/model/selection~Selection#event:change:range}\n\t * event with removed attribute key.\n\t * Should be used only within the {@link module:engine/model/writer~Writer#removeSelectionAttribute} method.\n\t *\n\t * @see module:engine/model/writer~Writer#removeSelectionAttribute\n\t * @protected\n\t * @param {String} key Key of the attribute to remove.\n\t */\n\t_removeAttribute( key ) {\n\t\tthis._selection.removeAttribute( key );\n\t}\n\n\t/**\n\t * Returns an iterable that iterates through all selection attributes stored in current selection's parent.\n\t *\n\t * @protected\n\t * @returns {Iterable.<*>}\n\t */\n\t_getStoredAttributes() {\n\t\treturn this._selection._getStoredAttributes();\n\t}\n\n\t/**\n\t * Temporarily changes the gravity of the selection from the left to the right.\n\t *\n\t * The gravity defines from which direction the selection inherits its attributes. If it's the default left\n\t * gravity, the selection (after being moved by the the user) inherits attributes from its left hand side.\n\t * This method allows to temporarily override this behavior by forcing the gravity to the right.\n\t *\n\t * It returns an unique identifier which is required to restore the gravity. It guarantees the symmetry\n\t * of the process.\n\t *\n\t * @see module:engine/model/writer~Writer#overrideSelectionGravity\n\t * @protected\n\t * @returns {String} The unique id which allows restoring the gravity.\n\t */\n\t_overrideGravity() {\n\t\treturn this._selection.overrideGravity();\n\t}\n\n\t/**\n\t * Restores the {@link ~DocumentSelection#_overrideGravity overridden gravity}.\n\t *\n\t * Restoring the gravity is only possible using the unique identifier returned by\n\t * {@link ~DocumentSelection#_overrideGravity}. Note that the gravity remains overridden as long as won't be restored\n\t * the same number of times it was overridden.\n\t *\n\t * @see module:engine/model/writer~Writer#restoreSelectionGravity\n\t * @protected\n\t * @param {String} uid The unique id returned by {@link #_overrideGravity}.\n\t */\n\t_restoreGravity( uid ) {\n\t\tthis._selection.restoreGravity( uid );\n\t}\n\n\t/**\n\t * Generates and returns an attribute key for selection attributes store, basing on original attribute key.\n\t *\n\t * @protected\n\t * @param {String} key Attribute key to convert.\n\t * @returns {String} Converted attribute key, applicable for selection store.\n\t */\n\tstatic _getStoreAttributeKey( key ) {\n\t\treturn storePrefix + key;\n\t}\n\n\t/**\n\t * Checks whether the given attribute key is an attribute stored on an element.\n\t *\n\t * @protected\n\t * @param {String} key\n\t * @returns {Boolean}\n\t */\n\tstatic _isStoreAttributeKey( key ) {\n\t\treturn key.startsWith( storePrefix );\n\t}\n}\n\nmix( DocumentSelection, EmitterMixin );\n\n/**\n * Fired when selection range(s) changed.\n *\n * @event change:range\n * @param {Boolean} directChange In case of {@link module:engine/model/selection~Selection} class it is always set\n * to `true` which indicates that the selection change was caused by a direct use of selection's API.\n * The {@link module:engine/model/documentselection~DocumentSelection}, however, may change because its position\n * was directly changed through the {@link module:engine/model/writer~Writer writer} or because its position was\n * changed because the structure of the model has been changed (which means an indirect change).\n * The indirect change does not occur in case of normal (detached) selections because they are \"static\" (as \"not live\")\n * which mean that they are not updated once the document changes.\n */\n\n/**\n * Fired when selection attribute changed.\n *\n * @event change:attribute\n * @param {Boolean} directChange In case of {@link module:engine/model/selection~Selection} class it is always set\n * to `true` which indicates that the selection change was caused by a direct use of selection's API.\n * The {@link module:engine/model/documentselection~DocumentSelection}, however, may change because its attributes\n * were directly changed through the {@link module:engine/model/writer~Writer writer} or because its position was\n * changed in the model and its attributes were refreshed (which means an indirect change).\n * The indirect change does not occur in case of normal (detached) selections because they are \"static\" (as \"not live\")\n * which mean that they are not updated once the document changes.\n * @param {Array.<String>} attributeKeys Array containing keys of attributes that changed.\n */\n\n/**\n * Fired when selection marker(s) changed.\n *\n * @event change:marker\n * @param {Boolean} directChange This is always set to `false` in case of `change:marker` event as there is no possibility\n * to change markers directly through {@link module:engine/model/documentselection~DocumentSelection} API.\n * See also {@link module:engine/model/documentselection~DocumentSelection#event:change:range} and\n * {@link module:engine/model/documentselection~DocumentSelection#event:change:attribute}.\n * @param {Array.<module:engine/model/markercollection~Marker>} oldMarkers Markers in which the selection was before the change.\n */\n\n// `LiveSelection` is used internally by {@link module:engine/model/documentselection~DocumentSelection} and shouldn't be used directly.\n//\n// LiveSelection` is automatically updated upon changes in the {@link module:engine/model/document~Document document}\n// to always contain valid ranges. Its attributes are inherited from the text unless set explicitly.\n//\n// Differences between {@link module:engine/model/selection~Selection} and `LiveSelection` are:\n// * there is always a range in `LiveSelection` - even if no ranges were added there is a \"default range\"\n// present in the selection,\n// * ranges added to this selection updates automatically when the document changes,\n// * attributes of `LiveSelection` are updated automatically according to selection ranges.\n//\n// @extends module:engine/model/selection~Selection\n//\nclass LiveSelection extends Selection {\n\t// Creates an empty live selection for given {@link module:engine/model/document~Document}.\n\t// @param {module:engine/model/document~Document} doc Document which owns this selection.\n\tconstructor( doc ) {\n\t\tsuper();\n\n\t\t// List of selection markers.\n\t\t// Marker is a selection marker when selection range is inside the marker range.\n\t\t//\n\t\t// @type {module:utils/collection~Collection}\n\t\tthis.markers = new Collection( { idProperty: 'name' } );\n\n\t\t// Document which owns this selection.\n\t\t//\n\t\t// @protected\n\t\t// @member {module:engine/model/model~Model}\n\t\tthis._model = doc.model;\n\n\t\t// Document which owns this selection.\n\t\t//\n\t\t// @protected\n\t\t// @member {module:engine/model/document~Document}\n\t\tthis._document = doc;\n\n\t\t// Keeps mapping of attribute name to priority with which the attribute got modified (added/changed/removed)\n\t\t// last time. Possible values of priority are: `'low'` and `'normal'`.\n\t\t//\n\t\t// Priorities are used by internal `LiveSelection` mechanisms. All attributes set using `LiveSelection`\n\t\t// attributes API are set with `'normal'` priority.\n\t\t//\n\t\t// @private\n\t\t// @member {Map} module:engine/model/liveselection~LiveSelection#_attributePriority\n\t\tthis._attributePriority = new Map();\n\n\t\t// Position to which the selection should be set if the last selection range was moved to the graveyard.\n\t\t// @private\n\t\t// @member {module:engine/model/position~Position} module:engine/model/liveselection~LiveSelection#_selectionRestorePosition\n\t\tthis._selectionRestorePosition = null;\n\n\t\t// Flag that informs whether the selection ranges have changed. It is changed on true when `LiveRange#change:range` event is fired.\n\t\t// @private\n\t\t// @member {Array} module:engine/model/liveselection~LiveSelection#_hasChangedRange\n\t\tthis._hasChangedRange = false;\n\n\t\t// Each overriding gravity adds an UID to the set and each removal removes it.\n\t\t// Gravity is overridden when there's at least one UID in the set.\n\t\t// Gravity is restored when the set is empty.\n\t\t// This is to prevent conflicts when gravity is overridden by more than one feature at the same time.\n\t\t// @private\n\t\t// @type {Set}\n\t\tthis._overriddenGravityRegister = new Set();\n\n\t\t// Prefixes of marker names that should affect `LiveSelection#markers` collection.\n\t\t// @private\n\t\t// @type {Set}\n\t\tthis._observedMarkers = new Set();\n\n\t\t// Ensure selection is correct after each operation.\n\t\tthis.listenTo( this._model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( !operation.isDocumentOperation || operation.type == 'marker' || operation.type == 'rename' || operation.type == 'noop' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Fix selection if the last range was removed from it and we have a position to which we can restore the selection.\n\t\t\tif ( this._ranges.length == 0 && this._selectionRestorePosition ) {\n\t\t\t\tthis._fixGraveyardSelection( this._selectionRestorePosition );\n\t\t\t}\n\n\t\t\t// \"Forget\" the restore position even if it was not \"used\".\n\t\t\tthis._selectionRestorePosition = null;\n\n\t\t\tif ( this._hasChangedRange ) {\n\t\t\t\tthis._hasChangedRange = false;\n\t\t\t\tthis.fire( 'change:range', { directChange: false } );\n\t\t\t}\n\t\t}, { priority: 'lowest' } );\n\n\t\t// Ensure selection is correct and up to date after each range change.\n\t\tthis.on( 'change:range', () => {\n\t\t\tfor ( const range of this.getRanges() ) {\n\t\t\t\tif ( !this._document._validateSelectionRange( range ) ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * Range from {@link module:engine/model/documentselection~DocumentSelection document selection}\n\t\t\t\t\t * starts or ends at incorrect position.\n\t\t\t\t\t *\n\t\t\t\t\t * @error document-selection-wrong-position\n\t\t\t\t\t * @param {module:engine/model/range~Range} range\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t\t'document-selection-wrong-position',\n\t\t\t\t\t\tthis,\n\t\t\t\t\t\t{ range }\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\t// Update markers data stored by the selection after each marker change.\n\t\t// This handles only marker changes done through marker operations (not model tree changes).\n\t\tthis.listenTo( this._model.markers, 'update', ( evt, marker, oldRange, newRange ) => {\n\t\t\tthis._updateMarker( marker, newRange );\n\t\t} );\n\n\t\t// Ensure selection is up to date after each change block.\n\t\tthis.listenTo( this._document, 'change', ( evt, batch ) => {\n\t\t\tclearAttributesStoredInElement( this._model, batch );\n\t\t} );\n\t}\n\n\tget isCollapsed() {\n\t\tconst length = this._ranges.length;\n\n\t\treturn length === 0 ? this._document._getDefaultRange().isCollapsed : super.isCollapsed;\n\t}\n\n\tget anchor() {\n\t\treturn super.anchor || this._document._getDefaultRange().start;\n\t}\n\n\tget focus() {\n\t\treturn super.focus || this._document._getDefaultRange().end;\n\t}\n\n\tget rangeCount() {\n\t\treturn this._ranges.length ? this._ranges.length : 1;\n\t}\n\n\t// Describes whether `LiveSelection` has own range(s) set, or if it is defaulted to\n\t// {@link module:engine/model/document~Document#_getDefaultRange document's default range}.\n\t//\n\t// @readonly\n\t// @type {Boolean}\n\tget hasOwnRange() {\n\t\treturn this._ranges.length > 0;\n\t}\n\n\t// When set to `true` then selection attributes on node before the caret won't be taken\n\t// into consideration while updating selection attributes.\n\t//\n\t// @protected\n\t// @type {Boolean}\n\tget isGravityOverridden() {\n\t\treturn !!this._overriddenGravityRegister.size;\n\t}\n\n\t// Unbinds all events previously bound by live selection.\n\tdestroy() {\n\t\tfor ( let i = 0; i < this._ranges.length; i++ ) {\n\t\t\tthis._ranges[ i ].detach();\n\t\t}\n\n\t\tthis.stopListening();\n\t}\n\n\t* getRanges() {\n\t\tif ( this._ranges.length ) {\n\t\t\tyield* super.getRanges();\n\t\t} else {\n\t\t\tyield this._document._getDefaultRange();\n\t\t}\n\t}\n\n\tgetFirstRange() {\n\t\treturn super.getFirstRange() || this._document._getDefaultRange();\n\t}\n\n\tgetLastRange() {\n\t\treturn super.getLastRange() || this._document._getDefaultRange();\n\t}\n\n\tsetTo( selectable, optionsOrPlaceOrOffset, options ) {\n\t\tsuper.setTo( selectable, optionsOrPlaceOrOffset, options );\n\t\tthis._updateAttributes( true );\n\t\tthis._updateMarkers();\n\t}\n\n\tsetFocus( itemOrPosition, offset ) {\n\t\tsuper.setFocus( itemOrPosition, offset );\n\t\tthis._updateAttributes( true );\n\t\tthis._updateMarkers();\n\t}\n\n\tsetAttribute( key, value ) {\n\t\tif ( this._setAttribute( key, value ) ) {\n\t\t\t// Fire event with exact data.\n\t\t\tconst attributeKeys = [ key ];\n\t\t\tthis.fire( 'change:attribute', { attributeKeys, directChange: true } );\n\t\t}\n\t}\n\n\tremoveAttribute( key ) {\n\t\tif ( this._removeAttribute( key ) ) {\n\t\t\t// Fire event with exact data.\n\t\t\tconst attributeKeys = [ key ];\n\t\t\tthis.fire( 'change:attribute', { attributeKeys, directChange: true } );\n\t\t}\n\t}\n\n\toverrideGravity() {\n\t\tconst overrideUid = uid();\n\n\t\t// Remember that another overriding has been requested. It will need to be removed\n\t\t// before the gravity is to be restored.\n\t\tthis._overriddenGravityRegister.add( overrideUid );\n\n\t\tif ( this._overriddenGravityRegister.size === 1 ) {\n\t\t\tthis._updateAttributes( true );\n\t\t}\n\n\t\treturn overrideUid;\n\t}\n\n\trestoreGravity( uid ) {\n\t\tif ( !this._overriddenGravityRegister.has( uid ) ) {\n\t\t\t/**\n\t\t\t * Restoring gravity for an unknown UID is not possible. Make sure you are using a correct\n\t\t\t * UID obtained from the {@link module:engine/model/writer~Writer#overrideSelectionGravity} to restore.\n\t\t\t *\n\t\t\t * @error document-selection-gravity-wrong-restore\n\t\t\t * @param {String} uid The unique identifier returned by\n\t\t\t * {@link module:engine/model/documentselection~DocumentSelection#_overrideGravity}.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'document-selection-gravity-wrong-restore',\n\t\t\t\tthis,\n\t\t\t\t{ uid }\n\t\t\t);\n\t\t}\n\n\t\tthis._overriddenGravityRegister.delete( uid );\n\n\t\t// Restore gravity only when all overriding have been restored.\n\t\tif ( !this.isGravityOverridden ) {\n\t\t\tthis._updateAttributes( true );\n\t\t}\n\t}\n\n\tobserveMarkers( prefixOrName ) {\n\t\tthis._observedMarkers.add( prefixOrName );\n\t\tthis._updateMarkers();\n\t}\n\n\t_popRange() {\n\t\tthis._ranges.pop().detach();\n\t}\n\n\t_pushRange( range ) {\n\t\tconst liveRange = this._prepareRange( range );\n\n\t\t// `undefined` is returned when given `range` is in graveyard root.\n\t\tif ( liveRange ) {\n\t\t\tthis._ranges.push( liveRange );\n\t\t}\n\t}\n\n\t// Prepares given range to be added to selection. Checks if it is correct,\n\t// converts it to {@link module:engine/model/liverange~LiveRange LiveRange}\n\t// and sets listeners listening to the range's change event.\n\t//\n\t// @private\n\t// @param {module:engine/model/range~Range} range\n\t_prepareRange( range ) {\n\t\tthis._checkRange( range );\n\n\t\tif ( range.root == this._document.graveyard ) {\n\t\t\t// @if CK_DEBUG // console.warn( 'Trying to add a Range that is in the graveyard root. Range rejected.' );\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst liveRange = LiveRange.fromRange( range );\n\n\t\t// If selection range is moved to the graveyard remove it from the selection object.\n\t\t// Also, save some data that can be used to restore selection later, on `Model#applyOperation` event.\n\t\tliveRange.on( 'change:range', ( evt, oldRange, data ) => {\n\t\t\tthis._hasChangedRange = true;\n\n\t\t\tif ( liveRange.root == this._document.graveyard ) {\n\t\t\t\tthis._selectionRestorePosition = data.deletionPosition;\n\n\t\t\t\tconst index = this._ranges.indexOf( liveRange );\n\t\t\t\tthis._ranges.splice( index, 1 );\n\t\t\t\tliveRange.detach();\n\t\t\t}\n\t\t} );\n\n\t\treturn liveRange;\n\t}\n\n\t_updateMarkers() {\n\t\tif ( !this._observedMarkers.size ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst markers = [];\n\t\tlet changed = false;\n\n\t\tfor ( const marker of this._model.markers ) {\n\t\t\tconst markerGroup = marker.name.split( ':', 1 )[ 0 ];\n\n\t\t\tif ( !this._observedMarkers.has( markerGroup ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst markerRange = marker.getRange();\n\n\t\t\tfor ( const selectionRange of this.getRanges() ) {\n\t\t\t\tif ( markerRange.containsRange( selectionRange, !selectionRange.isCollapsed ) ) {\n\t\t\t\t\tmarkers.push( marker );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tconst oldMarkers = Array.from( this.markers );\n\n\t\tfor ( const marker of markers ) {\n\t\t\tif ( !this.markers.has( marker ) ) {\n\t\t\t\tthis.markers.add( marker );\n\n\t\t\t\tchanged = true;\n\t\t\t}\n\t\t}\n\n\t\tfor ( const marker of Array.from( this.markers ) ) {\n\t\t\tif ( !markers.includes( marker ) ) {\n\t\t\t\tthis.markers.remove( marker );\n\n\t\t\t\tchanged = true;\n\t\t\t}\n\t\t}\n\n\t\tif ( changed ) {\n\t\t\tthis.fire( 'change:marker', { oldMarkers, directChange: false } );\n\t\t}\n\t}\n\n\t_updateMarker( marker, markerRange ) {\n\t\tconst markerGroup = marker.name.split( ':', 1 )[ 0 ];\n\n\t\tif ( !this._observedMarkers.has( markerGroup ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tlet changed = false;\n\n\t\tconst oldMarkers = Array.from( this.markers );\n\t\tconst hasMarker = this.markers.has( marker );\n\n\t\tif ( !markerRange ) {\n\t\t\tif ( hasMarker ) {\n\t\t\t\tthis.markers.remove( marker );\n\t\t\t\tchanged = true;\n\t\t\t}\n\t\t} else {\n\t\t\tlet contained = false;\n\n\t\t\tfor ( const selectionRange of this.getRanges() ) {\n\t\t\t\tif ( markerRange.containsRange( selectionRange, !selectionRange.isCollapsed ) ) {\n\t\t\t\t\tcontained = true;\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( contained && !hasMarker ) {\n\t\t\t\tthis.markers.add( marker );\n\n\t\t\t\tchanged = true;\n\t\t\t} else if ( !contained && hasMarker ) {\n\t\t\t\tthis.markers.remove( marker );\n\n\t\t\t\tchanged = true;\n\t\t\t}\n\t\t}\n\n\t\tif ( changed ) {\n\t\t\tthis.fire( 'change:marker', { oldMarkers, directChange: false } );\n\t\t}\n\t}\n\n\t// Updates this selection attributes according to its ranges and the {@link module:engine/model/document~Document model document}.\n\t//\n\t// @protected\n\t// @param {Boolean} clearAll\n\t// @fires change:attribute\n\t_updateAttributes( clearAll ) {\n\t\tconst newAttributes = toMap( this._getSurroundingAttributes() );\n\t\tconst oldAttributes = toMap( this.getAttributes() );\n\n\t\tif ( clearAll ) {\n\t\t\t// If `clearAll` remove all attributes and reset priorities.\n\t\t\tthis._attributePriority = new Map();\n\t\t\tthis._attrs = new Map();\n\t\t} else {\n\t\t\t// If not, remove only attributes added with `low` priority.\n\t\t\tfor ( const [ key, priority ] of this._attributePriority ) {\n\t\t\t\tif ( priority == 'low' ) {\n\t\t\t\t\tthis._attrs.delete( key );\n\t\t\t\t\tthis._attributePriority.delete( key );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tthis._setAttributesTo( newAttributes );\n\n\t\t// Let's evaluate which attributes really changed.\n\t\tconst changed = [];\n\n\t\t// First, loop through all attributes that are set on selection right now.\n\t\t// Check which of them are different than old attributes.\n\t\tfor ( const [ newKey, newValue ] of this.getAttributes() ) {\n\t\t\tif ( !oldAttributes.has( newKey ) || oldAttributes.get( newKey ) !== newValue ) {\n\t\t\t\tchanged.push( newKey );\n\t\t\t}\n\t\t}\n\n\t\t// Then, check which of old attributes got removed.\n\t\tfor ( const [ oldKey ] of oldAttributes ) {\n\t\t\tif ( !this.hasAttribute( oldKey ) ) {\n\t\t\t\tchanged.push( oldKey );\n\t\t\t}\n\t\t}\n\n\t\t// Fire event with exact data (fire only if anything changed).\n\t\tif ( changed.length > 0 ) {\n\t\t\tthis.fire( 'change:attribute', { attributeKeys: changed, directChange: false } );\n\t\t}\n\t}\n\n\t// Internal method for setting `LiveSelection` attribute. Supports attribute priorities (through `directChange`\n\t// parameter).\n\t//\n\t// @private\n\t// @param {String} key Attribute key.\n\t// @param {*} value Attribute value.\n\t// @param {Boolean} [directChange=true] `true` if the change is caused by `Selection` API, `false` if change\n\t// is caused by `Batch` API.\n\t// @returns {Boolean} Whether value has changed.\n\t_setAttribute( key, value, directChange = true ) {\n\t\tconst priority = directChange ? 'normal' : 'low';\n\n\t\tif ( priority == 'low' && this._attributePriority.get( key ) == 'normal' ) {\n\t\t\t// Priority too low.\n\t\t\treturn false;\n\t\t}\n\n\t\tconst oldValue = super.getAttribute( key );\n\n\t\t// Don't do anything if value has not changed.\n\t\tif ( oldValue === value ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tthis._attrs.set( key, value );\n\n\t\t// Update priorities map.\n\t\tthis._attributePriority.set( key, priority );\n\n\t\treturn true;\n\t}\n\n\t// Internal method for removing `LiveSelection` attribute. Supports attribute priorities (through `directChange`\n\t// parameter).\n\t//\n\t// NOTE: Even if attribute is not present in the selection but is provided to this method, it's priority will\n\t// be changed according to `directChange` parameter.\n\t//\n\t// @private\n\t// @param {String} key Attribute key.\n\t// @param {Boolean} [directChange=true] `true` if the change is caused by `Selection` API, `false` if change\n\t// is caused by `Batch` API.\n\t// @returns {Boolean} Whether attribute was removed. May not be true if such attributes didn't exist or the\n\t// existing attribute had higher priority.\n\t_removeAttribute( key, directChange = true ) {\n\t\tconst priority = directChange ? 'normal' : 'low';\n\n\t\tif ( priority == 'low' && this._attributePriority.get( key ) == 'normal' ) {\n\t\t\t// Priority too low.\n\t\t\treturn false;\n\t\t}\n\n\t\t// Update priorities map.\n\t\tthis._attributePriority.set( key, priority );\n\n\t\t// Don't do anything if value has not changed.\n\t\tif ( !super.hasAttribute( key ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tthis._attrs.delete( key );\n\n\t\treturn true;\n\t}\n\n\t// Internal method for setting multiple `LiveSelection` attributes. Supports attribute priorities (through\n\t// `directChange` parameter).\n\t//\n\t// @private\n\t// @param {Map.<String,*>} attrs Iterable object containing attributes to be set.\n\t// @returns {Set.<String>} Changed attribute keys.\n\t_setAttributesTo( attrs ) {\n\t\tconst changed = new Set();\n\n\t\tfor ( const [ oldKey, oldValue ] of this.getAttributes() ) {\n\t\t\t// Do not remove attribute if attribute with same key and value is about to be set.\n\t\t\tif ( attrs.get( oldKey ) === oldValue ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// All rest attributes will be removed so changed attributes won't change .\n\t\t\tthis._removeAttribute( oldKey, false );\n\t\t}\n\n\t\tfor ( const [ key, value ] of attrs ) {\n\t\t\t// Attribute may not be set because of attributes or because same key/value is already added.\n\t\t\tconst gotAdded = this._setAttribute( key, value, false );\n\n\t\t\tif ( gotAdded ) {\n\t\t\t\tchanged.add( key );\n\t\t\t}\n\t\t}\n\n\t\treturn changed;\n\t}\n\n\t// Returns an iterable that iterates through all selection attributes stored in current selection's parent.\n\t//\n\t// @protected\n\t// @returns {Iterable.<*>}\n\t* _getStoredAttributes() {\n\t\tconst selectionParent = this.getFirstPosition().parent;\n\n\t\tif ( this.isCollapsed && selectionParent.isEmpty ) {\n\t\t\tfor ( const key of selectionParent.getAttributeKeys() ) {\n\t\t\t\tif ( key.startsWith( storePrefix ) ) {\n\t\t\t\t\tconst realKey = key.substr( storePrefix.length );\n\n\t\t\t\t\tyield [ realKey, selectionParent.getAttribute( key ) ];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// Checks model text nodes that are closest to the selection's first position and returns attributes of first\n\t// found element. If there are no text nodes in selection's first position parent, it returns selection\n\t// attributes stored in that parent.\n\t//\n\t// @private\n\t// @returns {Iterable.<*>} Collection of attributes.\n\t_getSurroundingAttributes() {\n\t\tconst position = this.getFirstPosition();\n\t\tconst schema = this._model.schema;\n\n\t\tlet attrs = null;\n\n\t\tif ( !this.isCollapsed ) {\n\t\t\t// 1. If selection is a range...\n\t\t\tconst range = this.getFirstRange();\n\n\t\t\t// ...look for a first character node in that range and take attributes from it.\n\t\t\tfor ( const value of range ) {\n\t\t\t\t// If the item is an object, we don't want to get attributes from its children.\n\t\t\t\tif ( value.item.is( 'element' ) && schema.isObject( value.item ) ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tif ( value.type == 'text' ) {\n\t\t\t\t\tattrs = value.item.getAttributes();\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\t// 2. If the selection is a caret or the range does not contain a character node...\n\n\t\t\tconst nodeBefore = position.textNode ? position.textNode : position.nodeBefore;\n\t\t\tconst nodeAfter = position.textNode ? position.textNode : position.nodeAfter;\n\n\t\t\t// When gravity is overridden then don't take node before into consideration.\n\t\t\tif ( !this.isGravityOverridden ) {\n\t\t\t\t// ...look at the node before caret and take attributes from it if it is a character node.\n\t\t\t\tattrs = getAttrsIfCharacter( nodeBefore );\n\t\t\t}\n\n\t\t\t// 3. If not, look at the node after caret...\n\t\t\tif ( !attrs ) {\n\t\t\t\tattrs = getAttrsIfCharacter( nodeAfter );\n\t\t\t}\n\n\t\t\t// 4. If not, try to find the first character on the left, that is in the same node.\n\t\t\t// When gravity is overridden then don't take node before into consideration.\n\t\t\tif ( !this.isGravityOverridden && !attrs ) {\n\t\t\t\tlet node = nodeBefore;\n\n\t\t\t\twhile ( node && !schema.isInline( node ) && !attrs ) {\n\t\t\t\t\tnode = node.previousSibling;\n\t\t\t\t\tattrs = getAttrsIfCharacter( node );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// 5. If not found, try to find the first character on the right, that is in the same node.\n\t\t\tif ( !attrs ) {\n\t\t\t\tlet node = nodeAfter;\n\n\t\t\t\twhile ( node && !schema.isInline( node ) && !attrs ) {\n\t\t\t\t\tnode = node.nextSibling;\n\t\t\t\t\tattrs = getAttrsIfCharacter( node );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// 6. If not found, selection should retrieve attributes from parent.\n\t\t\tif ( !attrs ) {\n\t\t\t\tattrs = this._getStoredAttributes();\n\t\t\t}\n\t\t}\n\n\t\treturn attrs;\n\t}\n\n\t// Fixes the selection after all its ranges got removed.\n\t//\n\t// @private\n\t// @param {module:engine/model/position~Position} deletionPosition Position where the deletion happened.\n\t_fixGraveyardSelection( deletionPosition ) {\n\t\t// Find a range that is a correct selection range and is closest to the position where the deletion happened.\n\t\tconst selectionRange = this._model.schema.getNearestSelectionRange( deletionPosition );\n\n\t\t// If nearest valid selection range has been found - add it in the place of old range.\n\t\tif ( selectionRange ) {\n\t\t\t// Check the range, convert it to live range, bind events, etc.\n\t\t\tthis._pushRange( selectionRange );\n\t\t}\n\t\t// If nearest valid selection range cannot be found don't add any range. Selection will be set to the default range.\n\t}\n}\n\n// Helper function for {@link module:engine/model/liveselection~LiveSelection#_updateAttributes}.\n//\n// It takes model item, checks whether it is a text node (or text proxy) and, if so, returns it's attributes. If not, returns `null`.\n//\n// @param {module:engine/model/item~Item|null}  node\n// @returns {Boolean}\nfunction getAttrsIfCharacter( node ) {\n\tif ( node instanceof TextProxy || node instanceof Text ) {\n\t\treturn node.getAttributes();\n\t}\n\n\treturn null;\n}\n\n// Removes selection attributes from element which is not empty anymore.\n//\n// @param {module:engine/model/model~Model} model\n// @param {module:engine/model/batch~Batch} batch\nfunction clearAttributesStoredInElement( model, batch ) {\n\tconst differ = model.document.differ;\n\n\tfor ( const entry of differ.getChanges() ) {\n\t\tif ( entry.type != 'insert' ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst changeParent = entry.position.parent;\n\t\tconst isNoLongerEmpty = entry.length === changeParent.maxOffset;\n\n\t\tif ( isNoLongerEmpty ) {\n\t\t\tmodel.enqueueChange( batch, writer => {\n\t\t\t\tconst storedAttributes = Array.from( changeParent.getAttributeKeys() )\n\t\t\t\t\t.filter( key => key.startsWith( storePrefix ) );\n\n\t\t\t\tfor ( const key of storedAttributes ) {\n\t\t\t\t\twriter.removeAttribute( key, changeParent );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/conversionhelpers\n */\n\n/**\n * Base class for conversion helpers.\n */\nexport default class ConversionHelpers {\n\t/**\n\t * Creates a conversion helpers instance.\n\t *\n\t * @param {Array.<module:engine/conversion/downcastdispatcher~DowncastDispatcher|\n\t * module:engine/conversion/upcastdispatcher~UpcastDispatcher>} dispatchers\n\t */\n\tconstructor( dispatchers ) {\n\t\tthis._dispatchers = dispatchers;\n\t}\n\n\t/**\n\t * Registers a conversion helper.\n\t *\n\t * **Note**: See full usage example in the `{@link module:engine/conversion/conversion~Conversion#for conversion.for()}`\n\t * method description.\n\t *\n\t * @param {Function} conversionHelper The function to be called on event.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers|module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\tadd( conversionHelper ) {\n\t\tfor ( const dispatcher of this._dispatchers ) {\n\t\t\tconversionHelper( dispatcher );\n\t\t}\n\n\t\treturn this;\n\t}\n}\n","import baseClone from './_baseClone.js';\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_DEEP_FLAG = 1,\n    CLONE_SYMBOLS_FLAG = 4;\n\n/**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\nfunction cloneDeep(value) {\n  return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n}\n\nexport default cloneDeep;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Contains downcast (model-to-view) converters for {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}.\n *\n * @module engine/conversion/downcasthelpers\n */\n\nimport ModelRange from '../model/range';\nimport ModelSelection from '../model/selection';\nimport ModelElement from '../model/element';\n\nimport ViewAttributeElement from '../view/attributeelement';\nimport DocumentSelection from '../model/documentselection';\nimport ConversionHelpers from './conversionhelpers';\n\nimport { cloneDeep } from 'lodash-es';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\n/**\n * Downcast conversion helper functions.\n *\n * @extends module:engine/conversion/conversionhelpers~ConversionHelpers\n */\nexport default class DowncastHelpers extends ConversionHelpers {\n\t/**\n\t * Model element to view element conversion helper.\n\t *\n\t * This conversion results in creating a view element. For example, model `<paragraph>Foo</paragraph>` becomes `<p>Foo</p>` in the view.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'paragraph',\n\t *\t\t\tview: 'p'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'paragraph',\n\t *\t\t\tview: 'div',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'fancyParagraph',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'p',\n\t *\t\t\t\tclasses: 'fancy'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'heading',\n\t *\t\t\tview: ( modelElement, conversionApi ) => {\n\t *\t\t\t\tconst { writer } = conversionApi;\n\t *\n\t *\t\t\t\treturn writer.createContainerElement( 'h' + modelElement.getAttribute( 'level' ) );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * The element-to-element conversion supports the reconversion mechanism. This is helpful in the conversion to complex view structures\n\t * where multiple atomic element-to-element and attribute-to-attribute or attribute-to-element could be used. By specifying\n\t * `triggerBy()` events you can trigger reconverting the model to full view tree structures at once.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).elementToElement( {\n\t *\t\t\tmodel: 'complex',\n\t *\t\t\tview: ( modelElement, conversionApi ) => createComplexViewFromModel( modelElement, conversionApi ),\n\t *\t\t\ttriggerBy: {\n\t *\t\t\t\tattributes: [ 'foo', 'bar' ],\n\t *\t\t\t\tchildren: [ 'slot' ]\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * You can read more about element-to-element conversion in the\n\t * {@glink framework/guides/deep-dive/conversion/custom-element-conversion Custom element conversion} guide.\n\t *\n\t * @method #elementToElement\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.model The name of the model element to convert.\n\t * @param {module:engine/view/elementdefinition~ElementDefinition|Function} config.view A view element definition or a function\n\t * that takes the model element and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as parameters and returns a view container element.\n\t * @param {Object} [config.triggerBy] Reconversion triggers. At least one trigger must be defined.\n\t * @param {Array.<String>} config.triggerBy.attributes The name of the element's attributes whose change will trigger element\n\t * reconversion.\n\t * @param {Array.<String>} config.triggerBy.children The name of direct children whose adding or removing will trigger element\n\t * reconversion.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\telementToElement( config ) {\n\t\treturn this.add( downcastElementToElement( config ) );\n\t}\n\n\t/**\n\t * Model attribute to view element conversion helper.\n\t *\n\t * This conversion results in wrapping view nodes with a view attribute element. For example, a model text node with\n\t * `\"Foo\"` as data and the `bold` attribute becomes `<strong>Foo</strong>` in the view.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: 'strong'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: 'b',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: 'invert',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tclasses: [ 'font-light', 'bg-dark' ]\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'fontSize',\n\t *\t\t\t\tvalues: [ 'big', 'small' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tbig: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-size': '1.2em'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tsmall: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-size': '0.8em'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: ( modelAttributeValue, conversionApi ) => {\n\t *\t\t\t\tconst { writer } = conversionApi;\n\t *\n\t *\t\t\t\treturn writer.createAttributeElement( 'span', {\n\t *\t\t\t\t\tstyle: 'font-weight:' + modelAttributeValue\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'color',\n\t *\t\t\t\tname: '$text'\n\t *\t\t\t},\n\t *\t\t\tview: ( modelAttributeValue, conversionApi ) => {\n\t *\t\t\t\tconst { writer } = conversionApi;\n\t *\n\t *\t\t\t\treturn writer.createAttributeElement( 'span', {\n\t *\t\t\t\t\tstyle: 'color:' + modelAttributeValue\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #attributeToElement\n\t * @param {Object} config Conversion configuration.\n\t * @param {String|Object} config.model The key of the attribute to convert from or a `{ key, values }` object. `values` is an array\n\t * of `String`s with possible values if the model attribute is an enumerable.\n\t * @param {module:engine/view/elementdefinition~ElementDefinition|Function|Object} config.view A view element definition or a function\n\t * that takes the model attribute value and\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API} as parameters and returns a view\n\t * attribute element. If `config.model.values` is given, `config.view` should be an object assigning values from `config.model.values`\n\t * to view element definitions or functions.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tattributeToElement( config ) {\n\t\treturn this.add( downcastAttributeToElement( config ) );\n\t}\n\n\t/**\n\t * Model attribute to view attribute conversion helper.\n\t *\n\t * This conversion results in adding an attribute to a view node, basing on an attribute from a model node. For example,\n\t * `<imageInline src='foo.jpg'></imageInline>` is converted to `<img src='foo.jpg'></img>`.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: 'source',\n\t *\t\t\tview: 'src'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: 'source',\n\t *\t\t\tview: 'href',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tname: 'imageInline',\n\t *\t\t\t\tkey: 'source'\n\t *\t\t\t},\n\t *\t\t\tview: 'src'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tname: 'styled',\n\t *\t\t\t\tvalues: [ 'dark', 'light' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tdark: {\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: [ 'styled', 'styled-dark' ]\n\t *\t\t\t\t},\n\t *\t\t\t\tlight: {\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: [ 'styled', 'styled-light' ]\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: 'styled',\n\t *\t\t\tview: modelAttributeValue => ( {\n\t *\t\t\t\tkey: 'class',\n\t *\t\t\t\tvalue: 'styled-' + modelAttributeValue\n\t *\t\t\t} )\n\t *\t\t} );\n\t *\n\t * **Note**: Downcasting to a style property requires providing `value` as an object:\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t *\t\t\tmodel: 'lineHeight',\n\t *\t\t\tview: modelAttributeValue => ( {\n\t *\t\t\t\tkey: 'style',\n\t *\t\t\t\tvalue: {\n\t *\t\t\t\t\t'line-height': modelAttributeValue,\n\t *\t\t\t\t\t'border-bottom': '1px dotted #ba2'\n\t *\t\t\t\t}\n\t *\t\t\t} )\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #attributeToAttribute\n\t * @param {Object} config Conversion configuration.\n\t * @param {String|Object} config.model The key of the attribute to convert from or a `{ key, values, [ name ] }` object describing\n\t * the attribute key, possible values and, optionally, an element name to convert from.\n\t * @param {String|Object|Function} config.view A view attribute key, or a `{ key, value }` object or a function that takes\n\t * the model attribute value and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as parameters and returns a `{ key, value }` object. If `key` is `'class'`, `value` can be a `String` or an\n\t * array of `String`s. If `key` is `'style'`, `value` is an object with key-value pairs. In other cases, `value` is a `String`.\n\t * If `config.model.values` is set, `config.view` should be an object assigning values from `config.model.values` to\n\t * `{ key, value }` objects or a functions.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tattributeToAttribute( config ) {\n\t\treturn this.add( downcastAttributeToAttribute( config ) );\n\t}\n\n\t/**\n\t * Model marker to view element conversion helper.\n\t *\n\t * **Note**: This method should be used mainly for editing downcast and it is recommended\n\t * to use {@link #markerToData `#markerToData()`} helper instead.\n\t *\n\t * This helper may produce invalid HTML code (e.g. a span between table cells).\n\t * It should be used only when you are sure that the produced HTML will be semantically correct.\n\t *\n\t * This conversion results in creating a view element on the boundaries of the converted marker. If the converted marker\n\t * is collapsed, only one element is created. For example, model marker set like this: `<paragraph>F[oo b]ar</paragraph>`\n\t * becomes `<p>F<span data-marker=\"search\"></span>oo b<span data-marker=\"search\"></span>ar</p>` in the view.\n\t *\n\t *\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tview: 'marker-search'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tview: 'search-result',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tattributes: {\n\t *\t\t\t\t\t'data-marker': 'search'\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tview: ( markerData, conversionApi ) => {\n\t *\t\t\t\tconst { writer } = conversionApi;\n\t *\n\t *\t\t\t\treturn writer.createUIElement( 'span', {\n\t *\t\t\t\t\t'data-marker': 'search',\n\t *\t\t\t\t\t'data-start': markerData.isOpening\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * If a function is passed as the `config.view` parameter, it will be used to generate both boundary elements. The function\n\t * receives the `data` object and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as a parameters and should return an instance of the\n\t * {@link module:engine/view/uielement~UIElement view UI element}. The `data` object and\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi `conversionApi`} are passed from\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker}. Additionally,\n\t * the `data.isOpening` parameter is passed, which is set to `true` for the marker start boundary element, and `false` to\n\t * the marker end boundary element.\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #markerToElement\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.model The name of the model marker (or model marker group) to convert.\n\t * @param {module:engine/view/elementdefinition~ElementDefinition|Function} config.view A view element definition or a function that\n\t * takes the model marker data and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as a parameters and returns a view UI element.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tmarkerToElement( config ) {\n\t\treturn this.add( downcastMarkerToElement( config ) );\n\t}\n\n\t/**\n\t * Model marker to highlight conversion helper.\n\t *\n\t * This conversion results in creating a highlight on view nodes. For this kind of conversion,\n\t * {@link module:engine/conversion/downcasthelpers~HighlightDescriptor} should be provided.\n\t *\n\t * For text nodes, a `<span>` {@link module:engine/view/attributeelement~AttributeElement} is created and it wraps all text nodes\n\t * in the converted marker range. For example, a model marker set like this: `<paragraph>F[oo b]ar</paragraph>` becomes\n\t * `<p>F<span class=\"comment\">oo b</span>ar</p>` in the view.\n\t *\n\t * {@link module:engine/view/containerelement~ContainerElement} may provide a custom way of handling highlight. Most often,\n\t * the element itself is given classes and attributes described in the highlight descriptor (instead of being wrapped in `<span>`).\n\t * For example, a model marker set like this:\n\t * `[<imageInline src=\"foo.jpg\"></imageInline>]` becomes `<img src=\"foo.jpg\" class=\"comment\"></img>` in the view.\n\t *\n\t * For container elements, the conversion is two-step. While the converter processes the highlight descriptor and passes it\n\t * to a container element, it is the container element instance itself that applies values from the highlight descriptor.\n\t * So, in a sense, the converter takes care of stating what should be applied on what, while the element decides how to apply that.\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).markerToHighlight( { model: 'comment', view: { classes: 'comment' } } );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).markerToHighlight( {\n\t *\t\t\tmodel: 'comment',\n\t *\t\t\tview: { classes: 'comment' },\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'downcast' ).markerToHighlight( {\n\t *\t\t\tmodel: 'comment',\n\t *\t\t\tview: ( data, conversionApi ) => {\n\t *\t\t\t\t// Assuming that the marker name is in a form of comment:commentType:commentId.\n\t *\t\t\t\tconst [ , commentType, commentId ] = data.markerName.split( ':' );\n\t *\n\t *\t\t\t\treturn {\n\t *\t\t\t\t\tclasses: [ 'comment', 'comment-' + commentType ],\n\t *\t\t\t\t\tattributes: { 'data-comment-id': commentId }\n\t *\t\t\t\t};\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * If a function is passed as the `config.view` parameter, it will be used to generate the highlight descriptor. The function\n\t * receives the `data` object and {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API}\n\t * as a parameters and should return a\n\t * {@link module:engine/conversion/downcasthelpers~HighlightDescriptor highlight descriptor}.\n\t * The `data` object properties are passed from {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker}.\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #markerToHighlight\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.model The name of the model marker (or model marker group) to convert.\n\t * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} config.view A highlight descriptor\n\t * that will be used for highlighting or a function that takes the model marker data and\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API} as a parameters\n\t * and returns a highlight descriptor.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tmarkerToHighlight( config ) {\n\t\treturn this.add( downcastMarkerToHighlight( config ) );\n\t}\n\n\t/**\n\t * Model marker converter for data downcast.\n\t *\n\t * This conversion creates a representation for model marker boundaries in the view:\n\t *\n\t * * If the marker boundary is before or after a model element, a view attribute is set on a corresponding view element.\n\t * * In other cases, a view element with the specified tag name is inserted at the corresponding view position.\n\t *\n\t * Typically, the marker names use the `group:uniqueId:otherData` convention. For example: `comment:e34zfk9k2n459df53sjl34:zx32c`.\n\t * The default configuration for this conversion is that the first part is the `group` part and the rest of\n\t * the marker name becomes the `name` part.\n\t *\n\t * Tag and attribute names and values are generated from the marker name:\n\t *\n\t * * The templates for attributes are `data-[group]-start-before=\"[name]\"`, `data-[group]-start-after=\"[name]\"`,\n\t * `data-[group]-end-before=\"[name]\"` and `data-[group]-end-after=\"[name]\"`.\n\t * * The templates for view elements are `<[group]-start name=\"[name]\">` and `<[group]-end name=\"[name]\">`.\n\t *\n\t * Attributes mark whether the given marker's start or end boundary is before or after the given element.\n\t * The `data-[group]-start-before` and `data-[group]-end-after` attributes are favored.\n\t * The other two are used when the former two cannot be used.\n\t *\n\t * The conversion configuration can take a function that will generate different group and name parts.\n\t * If such a function is set as the `config.view` parameter, it is passed a marker name and it is expected to return an object with two\n\t * properties: `group` and `name`. If the function returns a falsy value, the conversion will not take place.\n\t *\n\t * Basic usage:\n\t *\n\t *\t\t// Using the default conversion.\n\t *\t\t// In this case, all markers with names starting with 'comment:' will be converted.\n\t *\t\t// The `group` parameter will be set to `comment`.\n\t *\t\t// The `name` parameter will be the rest of the marker name (without the `:`).\n\t *\t\teditor.conversion.for( 'dataDowncast' ).markerToData( {\n\t *\t\t\tmodel: 'comment'\n\t *\t\t} );\n\t *\n\t * An example of a view that may be generated by this conversion (assuming a marker with the name `comment:commentId:uid` marked\n\t * by `[]`):\n\t *\n\t *\t\t// Model:\n\t *\t\t<paragraph>Foo[bar</paragraph>\n\t *\t\t<imageBlock src=\"abc.jpg\"></imageBlock>]\n\t *\n\t *\t\t// View:\n\t *\t\t<p>Foo<comment-start name=\"commentId:uid\"></comment-start>bar</p>\n\t *\t\t<figure data-comment-end-after=\"commentId:uid\" class=\"image\"><img src=\"abc.jpg\" /></figure>\n\t *\n\t * In the example above, the comment starts before \"bar\" and ends after the image.\n\t *\n\t * If the `name` part is empty, the following view may be generated:\n\t *\n\t *\t\t<p>Foo <myMarker-start></myMarker-start>bar</p>\n\t *\t\t<figure data-myMarker-end-after=\"\" class=\"image\"><img src=\"abc.jpg\" /></figure>\n\t *\n\t * **Note:** A situation where some markers have the `name` part and some do not, is incorrect and should be avoided.\n\t *\n\t * Examples where `data-group-start-after` and `data-group-end-before` are used:\n\t *\n\t *\t\t// Model:\n\t *\t\t<blockQuote>[]<paragraph>Foo</paragraph></blockQuote>\n\t *\n\t * \t\t// View:\n\t *\t\t<blockquote><p data-group-end-before=\"name\" data-group-start-before=\"name\">Foo</p></blockquote>\n\t *\n\t * Similarly, when a marker is collapsed after the last element:\n\t *\n\t *\t\t// Model:\n\t *\t\t<blockQuote><paragraph>Foo</paragraph>[]</blockQuote>\n\t *\n\t *\t\t// View:\n\t *\t\t<blockquote><p data-group-end-after=\"name\" data-group-start-after=\"name\">Foo</p></blockquote>\n\t *\n\t * When there are multiple markers from the same group stored in the same attribute of the same element, their\n\t * name parts are put together in the attribute value, for example: `data-group-start-before=\"name1,name2,name3\"`.\n\t *\n\t * Other examples of usage:\n\t *\n\t *\t\t// Using a custom function which is the same as the default conversion:\n\t *\t\teditor.conversion.for( 'dataDowncast' ).markerToData( {\n\t *\t\t\tmodel: 'comment'\n\t *\t\t\tview: markerName => ( {\n\t *\t\t\t\tgroup: 'comment',\n\t *\t\t\t\tname: markerName.substr( 8 ) // Removes 'comment:' part.\n\t *\t\t\t} )\n\t *\t\t} );\n\t *\n\t *\t\t// Using the converter priority:\n\t *\t\teditor.conversion.for( 'dataDowncast' ).markerToData( {\n\t *\t\t\tmodel: 'comment'\n\t *\t\t\tview: markerName => ( {\n\t *\t\t\t\tgroup: 'comment',\n\t *\t\t\t\tname: markerName.substr( 8 ) // Removes 'comment:' part.\n\t *\t\t\t} ),\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t * This kind of conversion is useful for saving data into the database, so it should be used in the data conversion pipeline.\n\t *\n\t * See the {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} API guide to learn how to\n\t * add a converter to the conversion process.\n\t *\n\t * @method #markerToData\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.model The name of the model marker (or the model marker group) to convert.\n\t * @param {Function} [config.view] A function that takes the model marker name and\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi downcast conversion API} as the parameters\n\t * and returns an object with the `group` and `name` properties.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers}\n\t */\n\tmarkerToData( config ) {\n\t\treturn this.add( downcastMarkerToData( config ) );\n\t}\n}\n\n/**\n * Function factory that creates a default downcast converter for text insertion changes.\n *\n * The converter automatically consumes the corresponding value from the consumables list and stops the event (see\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}).\n *\n *\t\tmodelDispatcher.on( 'insert:$text', insertText() );\n *\n * @returns {Function} Insert text event converter.\n */\nexport function insertText() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !conversionApi.consumable.consume( data.item, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\t\tconst viewText = viewWriter.createText( data.item.data );\n\n\t\tviewWriter.insert( viewPosition, viewText );\n\t};\n}\n\n/**\n * Function factory that creates a default downcast converter for node remove changes.\n *\n *\t\tmodelDispatcher.on( 'remove', remove() );\n *\n * @returns {Function} Remove event converter.\n */\nexport function remove() {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Find the view range start position by mapping the model position at which the remove happened.\n\t\tconst viewStart = conversionApi.mapper.toViewPosition( data.position );\n\n\t\tconst modelEnd = data.position.getShiftedBy( data.length );\n\t\tconst viewEnd = conversionApi.mapper.toViewPosition( modelEnd, { isPhantom: true } );\n\n\t\tconst viewRange = conversionApi.writer.createRange( viewStart, viewEnd );\n\n\t\t// Trim the range to remove in case some UI elements are on the view range boundaries.\n\t\tconst removed = conversionApi.writer.remove( viewRange.getTrimmed() );\n\n\t\t// After the range is removed, unbind all view elements from the model.\n\t\t// Range inside view document fragment is used to unbind deeply.\n\t\tfor ( const child of conversionApi.writer.createRangeIn( removed ).getItems() ) {\n\t\t\tconversionApi.mapper.unbindViewElement( child );\n\t\t}\n\t};\n}\n\n/**\n * Creates a `<span>` {@link module:engine/view/attributeelement~AttributeElement view attribute element} from the information\n * provided by the {@link module:engine/conversion/downcasthelpers~HighlightDescriptor highlight descriptor} object. If the priority\n * is not provided in the descriptor, the default priority will be used.\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} descriptor\n * @returns {module:engine/view/attributeelement~AttributeElement}\n */\nexport function createViewElementFromHighlightDescriptor( writer, descriptor ) {\n\tconst viewElement = writer.createAttributeElement( 'span', descriptor.attributes );\n\n\tif ( descriptor.classes ) {\n\t\tviewElement._addClass( descriptor.classes );\n\t}\n\n\tif ( typeof descriptor.priority === 'number' ) {\n\t\tviewElement._priority = descriptor.priority;\n\t}\n\n\tviewElement._id = descriptor.id;\n\n\treturn viewElement;\n}\n\n/**\n * Function factory that creates a converter which converts a non-collapsed {@link module:engine/model/selection~Selection model selection}\n * to a {@link module:engine/view/documentselection~DocumentSelection view selection}. The converter consumes appropriate\n * value from the `consumable` object and maps model positions from the selection to view positions.\n *\n *\t\tmodelDispatcher.on( 'selection', convertRangeSelection() );\n *\n * @returns {Function} Selection converter.\n */\nexport function convertRangeSelection() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst selection = data.selection;\n\n\t\tif ( selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( selection, 'selection' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewRanges = [];\n\n\t\tfor ( const range of selection.getRanges() ) {\n\t\t\tconst viewRange = conversionApi.mapper.toViewRange( range );\n\t\t\tviewRanges.push( viewRange );\n\t\t}\n\n\t\tconversionApi.writer.setSelection( viewRanges, { backward: selection.isBackward } );\n\t};\n}\n\n/**\n * Function factory that creates a converter which converts a collapsed {@link module:engine/model/selection~Selection model selection} to\n * a {@link module:engine/view/documentselection~DocumentSelection view selection}. The converter consumes appropriate\n * value from the `consumable` object, maps the model selection position to the view position and breaks\n * {@link module:engine/view/attributeelement~AttributeElement attribute elements} at the selection position.\n *\n *\t\tmodelDispatcher.on( 'selection', convertCollapsedSelection() );\n *\n * An example of the view state before and after converting the collapsed selection:\n *\n *\t\t   <p><strong>f^oo<strong>bar</p>\n *\t\t-> <p><strong>f</strong>^<strong>oo</strong>bar</p>\n *\n * By breaking attribute elements like `<strong>`, the selection is in a correct element. Then, when the selection attribute is\n * converted, broken attributes might be merged again, or the position where the selection is may be wrapped\n * with different, appropriate attribute elements.\n *\n * See also {@link module:engine/conversion/downcasthelpers~clearAttributes} which does a clean-up\n * by merging attributes.\n *\n * @returns {Function} Selection converter.\n */\nexport function convertCollapsedSelection() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst selection = data.selection;\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( selection, 'selection' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst modelPosition = selection.getFirstPosition();\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( modelPosition );\n\t\tconst brokenPosition = viewWriter.breakAttributes( viewPosition );\n\n\t\tviewWriter.setSelection( brokenPosition );\n\t};\n}\n\n/**\n * Function factory that creates a converter which clears artifacts after the previous\n * {@link module:engine/model/selection~Selection model selection} conversion. It removes all empty\n * {@link module:engine/view/attributeelement~AttributeElement view attribute elements} and merges sibling attributes at all start and end\n * positions of all ranges.\n *\n *\t\t   <p><strong>^</strong></p>\n *\t\t-> <p>^</p>\n *\n *\t\t   <p><strong>foo</strong>^<strong>bar</strong>bar</p>\n *\t\t-> <p><strong>foo^bar<strong>bar</p>\n *\n *\t\t   <p><strong>foo</strong><em>^</em><strong>bar</strong>bar</p>\n *\t\t-> <p><strong>foo^bar<strong>bar</p>\n *\n * This listener should be assigned before any converter for the new selection:\n *\n *\t\tmodelDispatcher.on( 'selection', clearAttributes() );\n *\n * See {@link module:engine/conversion/downcasthelpers~convertCollapsedSelection}\n * which does the opposite by breaking attributes in the selection position.\n *\n * @returns {Function} Selection converter.\n */\nexport function clearAttributes() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\tfor ( const range of viewSelection.getRanges() ) {\n\t\t\t// Not collapsed selection should not have artifacts.\n\t\t\tif ( range.isCollapsed ) {\n\t\t\t\t// Position might be in the node removed by the view writer.\n\t\t\t\tif ( range.end.parent.isAttached() ) {\n\t\t\t\t\tconversionApi.writer.mergeAttributes( range.start );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tviewWriter.setSelection( null );\n\t};\n}\n\n/**\n * Function factory that creates a converter which converts set/change/remove attribute changes from the model to the view.\n * It can also be used to convert selection attributes. In that case, an empty attribute element will be created and the\n * selection will be put inside it.\n *\n * Attributes from the model are converted to a view element that will be wrapping these view nodes that are bound to\n * model elements having the given attribute. This is useful for attributes like `bold` that may be set on text nodes in the model\n * but are represented as an element in the view:\n *\n *\t\t[paragraph]              MODEL ====> VIEW        <p>\n *\t\t\t|- a {bold: true}                             |- <b>\n *\t\t\t|- b {bold: true}                             |   |- ab\n *\t\t\t|- c                                          |- c\n *\n * Passed `Function` will be provided with the attribute value and then all the parameters of the\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute `attribute` event}.\n * It is expected that the function returns an {@link module:engine/view/element~Element}.\n * The result of the function will be the wrapping element.\n * When the provided `Function` does not return any element, no conversion will take place.\n *\n * The converter automatically consumes the corresponding value from the consumables list and stops the event (see\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}).\n *\n *\t\tmodelDispatcher.on( 'attribute:bold', wrap( ( modelAttributeValue, { writer } ) => {\n *\t\t\treturn writer.createAttributeElement( 'strong' );\n *\t\t} );\n *\n * @protected\n * @param {Function} elementCreator Function returning a view element that will be used for wrapping.\n * @returns {Function} Set/change attribute converter.\n */\nexport function wrap( elementCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Recreate current wrapping node. It will be used to unwrap view range if the attribute value has changed\n\t\t// or the attribute was removed.\n\t\tconst oldViewElement = elementCreator( data.attributeOldValue, conversionApi );\n\n\t\t// Create node to wrap with.\n\t\tconst newViewElement = elementCreator( data.attributeNewValue, conversionApi );\n\n\t\tif ( !oldViewElement && !newViewElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\tif ( data.item instanceof ModelSelection || data.item instanceof DocumentSelection ) {\n\t\t\t// Selection attribute conversion.\n\t\t\tviewWriter.wrap( viewSelection.getFirstRange(), newViewElement );\n\t\t} else {\n\t\t\t// Node attribute conversion.\n\t\t\tlet viewRange = conversionApi.mapper.toViewRange( data.range );\n\n\t\t\t// First, unwrap the range from current wrapper.\n\t\t\tif ( data.attributeOldValue !== null && oldViewElement ) {\n\t\t\t\tviewRange = viewWriter.unwrap( viewRange, oldViewElement );\n\t\t\t}\n\n\t\t\tif ( data.attributeNewValue !== null && newViewElement ) {\n\t\t\t\tviewWriter.wrap( viewRange, newViewElement );\n\t\t\t}\n\t\t}\n\t};\n}\n\n/**\n * Function factory that creates a converter which converts node insertion changes from the model to the view.\n * The function passed will be provided with all the parameters of the dispatcher's\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert `insert` event}.\n * It is expected that the function returns an {@link module:engine/view/element~Element}.\n * The result of the function will be inserted into the view.\n *\n * The converter automatically consumes the corresponding value from the consumables list, stops the event (see\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}) and binds the model and view elements.\n *\n *\t\tdowncastDispatcher.on(\n *\t\t\t'insert:myElem',\n *\t\t\tinsertElement( ( modelItem, { writer } ) => {\n *\t\t\t\tconst text = writer.createText( 'myText' );\n *\t\t\t\tconst myElem = writer.createElement( 'myElem', { myAttr: 'my-' + modelItem.getAttribute( 'myAttr' ) }, text );\n *\n *\t\t\t\t// Do something fancy with `myElem` using `modelItem` or other parameters.\n *\n *\t\t\t\treturn myElem;\n *\t\t\t}\n *\t\t) );\n *\n * @protected\n * @param {Function} elementCreator Function returning a view element, which will be inserted.\n * @returns {Function} Insert element event converter.\n */\nexport function insertElement( elementCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewElement = elementCreator( data.item, conversionApi );\n\n\t\tif ( !viewElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\n\t\tconversionApi.mapper.bindElements( data.item, viewElement );\n\t\tconversionApi.writer.insert( viewPosition, viewElement );\n\t};\n}\n\n/**\n * Function factory that creates a converter which converts marker adding change to the\n * {@link module:engine/view/uielement~UIElement view UI element}.\n *\n * The view UI element that will be added to the view depends on the passed parameter. See {@link ~insertElement}.\n * In case of a non-collapsed range, the UI element will not wrap nodes but separate elements will be placed at the beginning\n * and at the end of the range.\n *\n * This converter binds created UI elements with the marker name using {@link module:engine/conversion/mapper~Mapper#bindElementToMarker}.\n *\n * @protected\n * @param {module:engine/view/uielement~UIElement|Function} elementCreator A view UI element or a function returning the view element\n * that will be inserted.\n * @returns {Function} Insert element event converter.\n */\nexport function insertUIElement( elementCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Create two view elements. One will be inserted at the beginning of marker, one at the end.\n\t\t// If marker is collapsed, only \"opening\" element will be inserted.\n\t\tdata.isOpening = true;\n\t\tconst viewStartElement = elementCreator( data, conversionApi );\n\n\t\tdata.isOpening = false;\n\t\tconst viewEndElement = elementCreator( data, conversionApi );\n\n\t\tif ( !viewStartElement || !viewEndElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst markerRange = data.markerRange;\n\n\t\t// Marker that is collapsed has consumable build differently that non-collapsed one.\n\t\t// For more information see `addMarker` event description.\n\t\t// If marker's range is collapsed - check if it can be consumed.\n\t\tif ( markerRange.isCollapsed && !conversionApi.consumable.consume( markerRange, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If marker's range is not collapsed - consume all items inside.\n\t\tfor ( const value of markerRange ) {\n\t\t\tif ( !conversionApi.consumable.consume( value.item, evt.name ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\tconst mapper = conversionApi.mapper;\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\t// Add \"opening\" element.\n\t\tviewWriter.insert( mapper.toViewPosition( markerRange.start ), viewStartElement );\n\t\tconversionApi.mapper.bindElementToMarker( viewStartElement, data.markerName );\n\n\t\t// Add \"closing\" element only if range is not collapsed.\n\t\tif ( !markerRange.isCollapsed ) {\n\t\t\tviewWriter.insert( mapper.toViewPosition( markerRange.end ), viewEndElement );\n\t\t\tconversionApi.mapper.bindElementToMarker( viewEndElement, data.markerName );\n\t\t}\n\n\t\tevt.stop();\n\t};\n}\n\n// Function factory that returns a default downcast converter for removing a {@link module:engine/view/uielement~UIElement UI element}\n// based on marker remove change.\n//\n// This converter unbinds elements from the marker name.\n//\n// @returns {Function} Removed UI element converter.\nfunction removeUIElement() {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst elements = conversionApi.mapper.markerNameToElements( data.markerName );\n\n\t\tif ( !elements ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const element of elements ) {\n\t\t\tconversionApi.mapper.unbindElementFromMarkerName( element, data.markerName );\n\t\t\tconversionApi.writer.clear( conversionApi.writer.createRangeOn( element ), element );\n\t\t}\n\n\t\tconversionApi.writer.clearClonedElementsGroup( data.markerName );\n\n\t\tevt.stop();\n\t};\n}\n\n// Function factory that creates a default converter for model markers.\n//\n// See {@link DowncastHelpers#markerToData} for more information what type of view is generated.\n//\n// This converter binds created UI elements and affected view elements with the marker name\n// using {@link module:engine/conversion/mapper~Mapper#bindElementToMarker}.\n//\n// @returns {Function} Add marker converter.\nfunction insertMarkerData( viewCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewMarkerData = viewCreator( data.markerName, conversionApi );\n\n\t\tif ( !viewMarkerData ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst markerRange = data.markerRange;\n\n\t\tif ( !conversionApi.consumable.consume( markerRange, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Adding closing data first to keep the proper order in the view.\n\t\thandleMarkerBoundary( markerRange, false, conversionApi, data, viewMarkerData );\n\t\thandleMarkerBoundary( markerRange, true, conversionApi, data, viewMarkerData );\n\n\t\tevt.stop();\n\t};\n}\n\n// Helper function for `insertMarkerData()` that marks a marker boundary at the beginning or end of given `range`.\nfunction handleMarkerBoundary( range, isStart, conversionApi, data, viewMarkerData ) {\n\tconst modelPosition = isStart ? range.start : range.end;\n\tconst elementAfter = modelPosition.nodeAfter && modelPosition.nodeAfter.is( 'element' ) ? modelPosition.nodeAfter : null;\n\tconst elementBefore = modelPosition.nodeBefore && modelPosition.nodeBefore.is( 'element' ) ? modelPosition.nodeBefore : null;\n\n\tif ( elementAfter || elementBefore ) {\n\t\tlet modelElement;\n\t\tlet isBefore;\n\n\t\t// If possible, we want to add `data-group-start-before` and `data-group-end-after` attributes.\n\t\tif ( isStart && elementAfter || !isStart && !elementBefore ) {\n\t\t\t// [<elementAfter>...</elementAfter> -> <elementAfter data-group-start-before=\"...\">...</elementAfter>\n\t\t\t// <parent>]<elementAfter> -> <parent><elementAfter data-group-end-before=\"...\">\n\t\t\tmodelElement = elementAfter;\n\t\t\tisBefore = true;\n\t\t} else {\n\t\t\t// <elementBefore>...</elementBefore>] -> <elementBefore data-group-end-after=\"...\">...</elementBefore>\n\t\t\t// </elementBefore>[</parent> -> </elementBefore data-group-start-after=\"...\"></parent>\n\t\t\tmodelElement = elementBefore;\n\t\t\tisBefore = false;\n\t\t}\n\n\t\tconst viewElement = conversionApi.mapper.toViewElement( modelElement );\n\n\t\t// In rare circumstances, the model element may be not mapped to any view element and that would cause an error.\n\t\t// One of those situations is a soft break inside code block.\n\t\tif ( viewElement ) {\n\t\t\tinsertMarkerAsAttribute( viewElement, isStart, isBefore, conversionApi, data, viewMarkerData );\n\n\t\t\treturn;\n\t\t}\n\t}\n\n\tconst viewPosition = conversionApi.mapper.toViewPosition( modelPosition );\n\n\tinsertMarkerAsElement( viewPosition, isStart, conversionApi, data, viewMarkerData );\n}\n\n// Helper function for `insertMarkerData()` that marks a marker boundary in the view as an attribute on a view element.\nfunction insertMarkerAsAttribute( viewElement, isStart, isBefore, conversionApi, data, viewMarkerData ) {\n\tconst attributeName = `data-${ viewMarkerData.group }-${ isStart ? 'start' : 'end' }-${ isBefore ? 'before' : 'after' }`;\n\n\tconst markerNames = viewElement.hasAttribute( attributeName ) ? viewElement.getAttribute( attributeName ).split( ',' ) : [];\n\n\t// Adding marker name at the beginning to have the same order in the attribute as there is with marker elements.\n\tmarkerNames.unshift( viewMarkerData.name );\n\n\tconversionApi.writer.setAttribute( attributeName, markerNames.join( ',' ), viewElement );\n\tconversionApi.mapper.bindElementToMarker( viewElement, data.markerName );\n}\n\n// Helper function for `insertMarkerData()` that marks a marker boundary in the view as a separate view ui element.\nfunction insertMarkerAsElement( position, isStart, conversionApi, data, viewMarkerData ) {\n\tconst viewElementName = `${ viewMarkerData.group }-${ isStart ? 'start' : 'end' }`;\n\n\tconst attrs = viewMarkerData.name ? { 'name': viewMarkerData.name } : null;\n\tconst viewElement = conversionApi.writer.createUIElement( viewElementName, attrs );\n\n\tconversionApi.writer.insert( position, viewElement );\n\tconversionApi.mapper.bindElementToMarker( viewElement, data.markerName );\n}\n\n// Function factory that creates a converter for removing a model marker data added by the {@link #insertMarkerData} converter.\n//\n// @returns {Function} Remove marker converter.\nfunction removeMarkerData( viewCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewData = viewCreator( data.markerName, conversionApi );\n\n\t\tif ( !viewData ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst elements = conversionApi.mapper.markerNameToElements( data.markerName );\n\n\t\tif ( !elements ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const element of elements ) {\n\t\t\tconversionApi.mapper.unbindElementFromMarkerName( element, data.markerName );\n\n\t\t\tif ( element.is( 'containerElement' ) ) {\n\t\t\t\tremoveMarkerFromAttribute( `data-${ viewData.group }-start-before`, element );\n\t\t\t\tremoveMarkerFromAttribute( `data-${ viewData.group }-start-after`, element );\n\t\t\t\tremoveMarkerFromAttribute( `data-${ viewData.group }-end-before`, element );\n\t\t\t\tremoveMarkerFromAttribute( `data-${ viewData.group }-end-after`, element );\n\t\t\t} else {\n\t\t\t\tconversionApi.writer.clear( conversionApi.writer.createRangeOn( element ), element );\n\t\t\t}\n\t\t}\n\n\t\tconversionApi.writer.clearClonedElementsGroup( data.markerName );\n\n\t\tevt.stop();\n\n\t\tfunction removeMarkerFromAttribute( attributeName, element ) {\n\t\t\tif ( element.hasAttribute( attributeName ) ) {\n\t\t\t\tconst markerNames = new Set( element.getAttribute( attributeName ).split( ',' ) );\n\t\t\t\tmarkerNames.delete( viewData.name );\n\n\t\t\t\tif ( markerNames.size == 0 ) {\n\t\t\t\t\tconversionApi.writer.removeAttribute( attributeName, element );\n\t\t\t\t} else {\n\t\t\t\t\tconversionApi.writer.setAttribute( attributeName, Array.from( markerNames ).join( ',' ), element );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Function factory that creates a converter which converts set/change/remove attribute changes from the model to the view.\n//\n// Attributes from the model are converted to the view element attributes in the view. You may provide a custom function to generate\n// a key-value attribute pair to add/change/remove. If not provided, model attributes will be converted to view element\n// attributes on a one-to-one basis.\n//\n// *Note:** The provided attribute creator should always return the same `key` for a given attribute from the model.\n//\n// The converter automatically consumes the corresponding value from the consumables list and stops the event (see\n// {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher}).\n//\n//\t\tmodelDispatcher.on( 'attribute:customAttr:myElem', changeAttribute( ( value, data ) => {\n//\t\t\t// Change attribute key from `customAttr` to `class` in the view.\n//\t\t\tconst key = 'class';\n//\t\t\tlet value = data.attributeNewValue;\n//\n//\t\t\t// Force attribute value to 'empty' if the model element is empty.\n//\t\t\tif ( data.item.childCount === 0 ) {\n//\t\t\t\tvalue = 'empty';\n//\t\t\t}\n//\n//\t\t\t// Return the key-value pair.\n//\t\t\treturn { key, value };\n//\t\t} ) );\n//\n// @param {Function} [attributeCreator] Function returning an object with two properties: `key` and `value`, which\n// represent the attribute key and attribute value to be set on a {@link module:engine/view/element~Element view element}.\n// The function is passed the model attribute value as the first parameter and additional data about the change as the second parameter.\n// @returns {Function} Set/change attribute converter.\nfunction changeAttribute( attributeCreator ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst oldAttribute = attributeCreator( data.attributeOldValue, conversionApi );\n\t\tconst newAttribute = attributeCreator( data.attributeNewValue, conversionApi );\n\n\t\tif ( !oldAttribute && !newAttribute ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewElement = conversionApi.mapper.toViewElement( data.item );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\t// If model item cannot be mapped to a view element, it means item is not an `Element` instance but a `TextProxy` node.\n\t\t// Only elements can have attributes in a view so do not proceed for anything else (#1587).\n\t\tif ( !viewElement ) {\n\t\t\t/**\n\t\t\t * This error occurs when a {@link module:engine/model/textproxy~TextProxy text node's} attribute is to be downcasted\n\t\t\t * by {@link module:engine/conversion/conversion~Conversion#attributeToAttribute `Attribute to Attribute converter`}.\n\t\t\t * In most cases it is caused by converters misconfiguration when only \"generic\" converter is defined:\n\t\t\t *\n\t\t\t *\t\teditor.conversion.for( 'downcast' ).attributeToAttribute( {\n\t\t\t *\t\t\tmodel: 'attribute-name',\n\t\t\t *\t\t\tview: 'attribute-name'\n\t\t\t *\t\t} ) );\n\t\t\t *\n\t\t\t * and given attribute is used on text node, for example:\n\t\t\t *\n\t\t\t *\t\tmodel.change( writer => {\n\t\t\t *\t\t\twriter.insertText( 'Foo', { 'attribute-name': 'bar' }, parent, 0 );\n\t\t\t *\t\t} );\n\t\t\t *\n\t\t\t * In such cases, to convert the same attribute for both {@link module:engine/model/element~Element}\n\t\t\t * and {@link module:engine/model/textproxy~TextProxy `Text`} nodes, text specific\n\t\t\t * {@link module:engine/conversion/conversion~Conversion#attributeToElement `Attribute to Element converter`}\n\t\t\t * with higher {@link module:utils/priorities~PriorityString priority} must also be defined:\n\t\t\t *\n\t\t\t *\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t\t\t *\t\t\tmodel: {\n\t\t\t *\t\t\t\tkey: 'attribute-name',\n\t\t\t *\t\t\t\tname: '$text'\n\t\t\t *\t\t\t},\n\t\t\t *\t\t\tview: ( value, { writer } ) => {\n\t\t\t *\t\t\t\treturn writer.createAttributeElement( 'span', { 'attribute-name': value } );\n\t\t\t *\t\t\t},\n\t\t\t *\t\t\tconverterPriority: 'high'\n\t\t\t *\t\t} ) );\n\t\t\t *\n\t\t\t * @error conversion-attribute-to-attribute-on-text\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'conversion-attribute-to-attribute-on-text',\n\t\t\t\t[ data, conversionApi ]\n\t\t\t);\n\t\t}\n\n\t\t// First remove the old attribute if there was one.\n\t\tif ( data.attributeOldValue !== null && oldAttribute ) {\n\t\t\tif ( oldAttribute.key == 'class' ) {\n\t\t\t\tconst classes = toArray( oldAttribute.value );\n\n\t\t\t\tfor ( const className of classes ) {\n\t\t\t\t\tviewWriter.removeClass( className, viewElement );\n\t\t\t\t}\n\t\t\t} else if ( oldAttribute.key == 'style' ) {\n\t\t\t\tconst keys = Object.keys( oldAttribute.value );\n\n\t\t\t\tfor ( const key of keys ) {\n\t\t\t\t\tviewWriter.removeStyle( key, viewElement );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tviewWriter.removeAttribute( oldAttribute.key, viewElement );\n\t\t\t}\n\t\t}\n\n\t\t// Then set the new attribute.\n\t\tif ( data.attributeNewValue !== null && newAttribute ) {\n\t\t\tif ( newAttribute.key == 'class' ) {\n\t\t\t\tconst classes = toArray( newAttribute.value );\n\n\t\t\t\tfor ( const className of classes ) {\n\t\t\t\t\tviewWriter.addClass( className, viewElement );\n\t\t\t\t}\n\t\t\t} else if ( newAttribute.key == 'style' ) {\n\t\t\t\tconst keys = Object.keys( newAttribute.value );\n\n\t\t\t\tfor ( const key of keys ) {\n\t\t\t\t\tviewWriter.setStyle( key, newAttribute.value[ key ], viewElement );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tviewWriter.setAttribute( newAttribute.key, newAttribute.value, viewElement );\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Function factory that creates a converter which converts the text inside marker's range. The converter wraps the text with\n// {@link module:engine/view/attributeelement~AttributeElement} created from the provided descriptor.\n// See {link module:engine/conversion/downcasthelpers~createViewElementFromHighlightDescriptor}.\n//\n// It can also be used to convert the selection that is inside a marker. In that case, an empty attribute element will be\n// created and the selection will be put inside it.\n//\n// If the highlight descriptor does not provide the `priority` property, `10` will be used.\n//\n// If the highlight descriptor does not provide the `id` property, the name of the marker will be used.\n//\n// This converter binds the created {@link module:engine/view/attributeelement~AttributeElement attribute elemens} with the marker name\n// using the {@link module:engine/conversion/mapper~Mapper#bindElementToMarker} method.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} highlightDescriptor\n// @returns {Function}\nfunction highlightText( highlightDescriptor ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !data.item ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !( data.item instanceof ModelSelection || data.item instanceof DocumentSelection ) && !data.item.is( '$textProxy' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst descriptor = prepareDescriptor( highlightDescriptor, data, conversionApi );\n\n\t\tif ( !descriptor ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewElement = createViewElementFromHighlightDescriptor( viewWriter, descriptor );\n\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\tif ( data.item instanceof ModelSelection || data.item instanceof DocumentSelection ) {\n\t\t\tviewWriter.wrap( viewSelection.getFirstRange(), viewElement, viewSelection );\n\t\t} else {\n\t\t\tconst viewRange = conversionApi.mapper.toViewRange( data.range );\n\t\t\tconst rangeAfterWrap = viewWriter.wrap( viewRange, viewElement );\n\n\t\t\tfor ( const element of rangeAfterWrap.getItems() ) {\n\t\t\t\tif ( element.is( 'attributeElement' ) && element.isSimilar( viewElement ) ) {\n\t\t\t\t\tconversionApi.mapper.bindElementToMarker( element, data.markerName );\n\n\t\t\t\t\t// One attribute element is enough, because all of them are bound together by the view writer.\n\t\t\t\t\t// Mapper uses this binding to get all the elements no matter how many of them are registered in the mapper.\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Converter function factory. It creates a function which applies the marker's highlight to an element inside the marker's range.\n//\n// The converter checks if an element has the `addHighlight` function stored as a\n// {@link module:engine/view/element~Element#_setCustomProperty custom property} and, if so, uses it to apply the highlight.\n// In such case the converter will consume all element's children, assuming that they were handled by the element itself.\n//\n// When the `addHighlight` custom property is not present, the element is not converted in any special way.\n// This means that converters will proceed to convert the element's child nodes.\n//\n// If the highlight descriptor does not provide the `priority` property, `10` will be used.\n//\n// If the highlight descriptor does not provide the `id` property, the name of the marker will be used.\n//\n// This converter binds altered {@link module:engine/view/containerelement~ContainerElement container elements} with the marker name using\n// the {@link module:engine/conversion/mapper~Mapper#bindElementToMarker} method.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} highlightDescriptor\n// @returns {Function}\nfunction highlightElement( highlightDescriptor ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !data.item ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !( data.item instanceof ModelElement ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst descriptor = prepareDescriptor( highlightDescriptor, data, conversionApi );\n\n\t\tif ( !descriptor ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.test( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewElement = conversionApi.mapper.toViewElement( data.item );\n\n\t\tif ( viewElement && viewElement.getCustomProperty( 'addHighlight' ) ) {\n\t\t\t// Consume element itself.\n\t\t\tconversionApi.consumable.consume( data.item, evt.name );\n\n\t\t\t// Consume all children nodes.\n\t\t\tfor ( const value of ModelRange._createIn( data.item ) ) {\n\t\t\t\tconversionApi.consumable.consume( value.item, evt.name );\n\t\t\t}\n\n\t\t\tviewElement.getCustomProperty( 'addHighlight' )( viewElement, descriptor, conversionApi.writer );\n\n\t\t\tconversionApi.mapper.bindElementToMarker( viewElement, data.markerName );\n\t\t}\n\t};\n}\n\n// Function factory that creates a converter which converts the removing model marker to the view.\n//\n// Both text nodes and elements are handled by this converter but they are handled a bit differently.\n//\n// Text nodes are unwrapped using the {@link module:engine/view/attributeelement~AttributeElement attribute element} created from the\n// provided highlight descriptor. See {link module:engine/conversion/downcasthelpers~HighlightDescriptor}.\n//\n// For elements, the converter checks if an element has the `removeHighlight` function stored as a\n// {@link module:engine/view/element~Element#_setCustomProperty custom property}. If so, it uses it to remove the highlight.\n// In such case, the children of that element will not be converted.\n//\n// When `removeHighlight` is not present, the element is not converted in any special way.\n// The converter will proceed to convert the element's child nodes instead.\n//\n// If the highlight descriptor does not provide the `priority` property, `10` will be used.\n//\n// If the highlight descriptor does not provide the `id` property, the name of the marker will be used.\n//\n// This converter unbinds elements from the marker name.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} highlightDescriptor\n// @returns {Function}\nfunction removeHighlight( highlightDescriptor ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// This conversion makes sense only for non-collapsed range.\n\t\tif ( data.markerRange.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst descriptor = prepareDescriptor( highlightDescriptor, data, conversionApi );\n\n\t\tif ( !descriptor ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// View element that will be used to unwrap `AttributeElement`s.\n\t\tconst viewHighlightElement = createViewElementFromHighlightDescriptor( conversionApi.writer, descriptor );\n\n\t\t// Get all elements bound with given marker name.\n\t\tconst elements = conversionApi.mapper.markerNameToElements( data.markerName );\n\n\t\tif ( !elements ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const element of elements ) {\n\t\t\tconversionApi.mapper.unbindElementFromMarkerName( element, data.markerName );\n\n\t\t\tif ( element.is( 'attributeElement' ) ) {\n\t\t\t\tconversionApi.writer.unwrap( conversionApi.writer.createRangeOn( element ), viewHighlightElement );\n\t\t\t} else {\n\t\t\t\t// if element.is( 'containerElement' ).\n\t\t\t\telement.getCustomProperty( 'removeHighlight' )( element, descriptor.id, conversionApi.writer );\n\t\t\t}\n\t\t}\n\n\t\tconversionApi.writer.clearClonedElementsGroup( data.markerName );\n\n\t\tevt.stop();\n\t};\n}\n\n// Model element to view element conversion helper.\n//\n// See {@link ~DowncastHelpers#elementToElement `.elementToElement()` downcast helper} for examples and config params description.\n//\n// @param {Object} config Conversion configuration.\n// @param {String} config.model\n// @param {module:engine/view/elementdefinition~ElementDefinition|Function} config.view\n// @param {Object} [config.triggerBy]\n// @param {Array.<String>} [config.triggerBy.attributes]\n// @param {Array.<String>} [config.triggerBy.children]\n// @returns {Function} Conversion helper.\nfunction downcastElementToElement( config ) {\n\tconfig = cloneDeep( config );\n\n\tconfig.view = normalizeToElementConfig( config.view, 'container' );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'insert:' + config.model, insertElement( config.view ), { priority: config.converterPriority || 'normal' } );\n\n\t\tif ( config.triggerBy ) {\n\t\t\tif ( config.triggerBy.attributes ) {\n\t\t\t\tfor ( const attributeKey of config.triggerBy.attributes ) {\n\t\t\t\t\tdispatcher._mapReconversionTriggerEvent( config.model, `attribute:${ attributeKey }:${ config.model }` );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( config.triggerBy.children ) {\n\t\t\t\tfor ( const childName of config.triggerBy.children ) {\n\t\t\t\t\tdispatcher._mapReconversionTriggerEvent( config.model, `insert:${ childName }` );\n\t\t\t\t\tdispatcher._mapReconversionTriggerEvent( config.model, `remove:${ childName }` );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Model attribute to view element conversion helper.\n//\n// See {@link ~DowncastHelpers#attributeToElement `.attributeToElement()` downcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String|Object} config.model The key of the attribute to convert from or a `{ key, values }` object. `values` is an array\n// of `String`s with possible values if the model attribute is an enumerable.\n// @param {module:engine/view/elementdefinition~ElementDefinition|Function|Object} config.view A view element definition or a function\n// that takes the model attribute value and {@link module:engine/view/downcastwriter~DowncastWriter view downcast writer}\n// as parameters and returns a view attribute element. If `config.model.values` is\n// given, `config.view` should be an object assigning values from `config.model.values` to view element definitions or functions.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction downcastAttributeToElement( config ) {\n\tconfig = cloneDeep( config );\n\n\tconst modelKey = config.model.key ? config.model.key : config.model;\n\tlet eventName = 'attribute:' + modelKey;\n\n\tif ( config.model.name ) {\n\t\teventName += ':' + config.model.name;\n\t}\n\n\tif ( config.model.values ) {\n\t\tfor ( const modelValue of config.model.values ) {\n\t\t\tconfig.view[ modelValue ] = normalizeToElementConfig( config.view[ modelValue ], 'attribute' );\n\t\t}\n\t} else {\n\t\tconfig.view = normalizeToElementConfig( config.view, 'attribute' );\n\t}\n\n\tconst elementCreator = getFromAttributeCreator( config );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( eventName, wrap( elementCreator ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Model attribute to view attribute conversion helper.\n//\n// See {@link ~DowncastHelpers#attributeToAttribute `.attributeToAttribute()` downcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String|Object} config.model The key of the attribute to convert from or a `{ key, values, [ name ] }` object describing\n// the attribute key, possible values and, optionally, an element name to convert from.\n// @param {String|Object|Function} config.view A view attribute key, or a `{ key, value }` object or a function that takes\n// the model attribute value and returns a `{ key, value }` object. If `key` is `'class'`, `value` can be a `String` or an\n// array of `String`s. If `key` is `'style'`, `value` is an object with key-value pairs. In other cases, `value` is a `String`.\n// If `config.model.values` is set, `config.view` should be an object assigning values from `config.model.values` to\n// `{ key, value }` objects or a functions.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction downcastAttributeToAttribute( config ) {\n\tconfig = cloneDeep( config );\n\n\tconst modelKey = config.model.key ? config.model.key : config.model;\n\tlet eventName = 'attribute:' + modelKey;\n\n\tif ( config.model.name ) {\n\t\teventName += ':' + config.model.name;\n\t}\n\n\tif ( config.model.values ) {\n\t\tfor ( const modelValue of config.model.values ) {\n\t\t\tconfig.view[ modelValue ] = normalizeToAttributeConfig( config.view[ modelValue ] );\n\t\t}\n\t} else {\n\t\tconfig.view = normalizeToAttributeConfig( config.view );\n\t}\n\n\tconst elementCreator = getFromAttributeCreator( config );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( eventName, changeAttribute( elementCreator ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Model marker to view element conversion helper.\n//\n// See {@link ~DowncastHelpers#markerToElement `.markerToElement()` downcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String} config.model The name of the model marker (or model marker group) to convert.\n// @param {module:engine/view/elementdefinition~ElementDefinition|Function} config.view A view element definition or a function\n// that takes the model marker data as a parameter and returns a view UI element.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction downcastMarkerToElement( config ) {\n\tconfig = cloneDeep( config );\n\n\tconfig.view = normalizeToElementConfig( config.view, 'ui' );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'addMarker:' + config.model, insertUIElement( config.view ), { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'removeMarker:' + config.model, removeUIElement( config.view ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Model marker to view data conversion helper.\n//\n// See {@link ~DowncastHelpers#markerToData `markerToData()` downcast helper} to learn more.\n//\n// @param {Object} config\n// @param {String} config.model\n// @param {Function} [config.view]\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal']\n// @returns {Function} Conversion helper.\nfunction downcastMarkerToData( config ) {\n\tconfig = cloneDeep( config );\n\n\tconst group = config.model;\n\n\t// Default conversion.\n\tif ( !config.view ) {\n\t\tconfig.view = markerName => ( {\n\t\t\tgroup,\n\t\t\tname: markerName.substr( config.model.length + 1 )\n\t\t} );\n\t}\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'addMarker:' + group, insertMarkerData( config.view ), { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'removeMarker:' + group, removeMarkerData( config.view ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Model marker to highlight conversion helper.\n//\n// See {@link ~DowncastHelpers#markerToElement `.markerToElement()` downcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String} config.model The name of the model marker (or model marker group) to convert.\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor|Function} config.view A highlight descriptor\n// that will be used for highlighting or a function that takes the model marker data as a parameter and returns a highlight descriptor.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction downcastMarkerToHighlight( config ) {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'addMarker:' + config.model, highlightText( config.view ), { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'addMarker:' + config.model, highlightElement( config.view ), { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'removeMarker:' + config.model, removeHighlight( config.view ), { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// Takes `config.view`, and if it is an {@link module:engine/view/elementdefinition~ElementDefinition}, converts it\n// to a function (because lower level converters accept only element creator functions).\n//\n// @param {module:engine/view/elementdefinition~ElementDefinition|Function} view View configuration.\n// @param {'container'|'attribute'|'ui'} viewElementType View element type to create.\n// @returns {Function} Element creator function to use in lower level converters.\nfunction normalizeToElementConfig( view, viewElementType ) {\n\tif ( typeof view == 'function' ) {\n\t\t// If `view` is already a function, don't do anything.\n\t\treturn view;\n\t}\n\n\treturn ( modelData, conversionApi ) => createViewElementFromDefinition( view, conversionApi, viewElementType );\n}\n\n// Creates a view element instance from the provided {@link module:engine/view/elementdefinition~ElementDefinition} and class.\n//\n// @param {module:engine/view/elementdefinition~ElementDefinition} viewElementDefinition\n// @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n// @param {'container'|'attribute'|'ui'} viewElementType\n// @returns {module:engine/view/element~Element}\nfunction createViewElementFromDefinition( viewElementDefinition, conversionApi, viewElementType ) {\n\tif ( typeof viewElementDefinition == 'string' ) {\n\t\t// If `viewElementDefinition` is given as a `String`, normalize it to an object with `name` property.\n\t\tviewElementDefinition = { name: viewElementDefinition };\n\t}\n\n\tlet element;\n\tconst viewWriter = conversionApi.writer;\n\tconst attributes = Object.assign( {}, viewElementDefinition.attributes );\n\n\tif ( viewElementType == 'container' ) {\n\t\telement = viewWriter.createContainerElement( viewElementDefinition.name, attributes );\n\t} else if ( viewElementType == 'attribute' ) {\n\t\tconst options = {\n\t\t\tpriority: viewElementDefinition.priority || ViewAttributeElement.DEFAULT_PRIORITY\n\t\t};\n\n\t\telement = viewWriter.createAttributeElement( viewElementDefinition.name, attributes, options );\n\t} else {\n\t\t// 'ui'.\n\t\telement = viewWriter.createUIElement( viewElementDefinition.name, attributes );\n\t}\n\n\tif ( viewElementDefinition.styles ) {\n\t\tconst keys = Object.keys( viewElementDefinition.styles );\n\n\t\tfor ( const key of keys ) {\n\t\t\tviewWriter.setStyle( key, viewElementDefinition.styles[ key ], element );\n\t\t}\n\t}\n\n\tif ( viewElementDefinition.classes ) {\n\t\tconst classes = viewElementDefinition.classes;\n\n\t\tif ( typeof classes == 'string' ) {\n\t\t\tviewWriter.addClass( classes, element );\n\t\t} else {\n\t\t\tfor ( const className of classes ) {\n\t\t\t\tviewWriter.addClass( className, element );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn element;\n}\n\nfunction getFromAttributeCreator( config ) {\n\tif ( config.model.values ) {\n\t\treturn ( modelAttributeValue, conversionApi ) => {\n\t\t\tconst view = config.view[ modelAttributeValue ];\n\n\t\t\tif ( view ) {\n\t\t\t\treturn view( modelAttributeValue, conversionApi );\n\t\t\t}\n\n\t\t\treturn null;\n\t\t};\n\t} else {\n\t\treturn config.view;\n\t}\n}\n\n// Takes the configuration, adds default parameters if they do not exist and normalizes other parameters to be used in downcast converters\n// for generating a view attribute.\n//\n// @param {Object} view View configuration.\nfunction normalizeToAttributeConfig( view ) {\n\tif ( typeof view == 'string' ) {\n\t\treturn modelAttributeValue => ( { key: view, value: modelAttributeValue } );\n\t} else if ( typeof view == 'object' ) {\n\t\t// { key, value, ... }\n\t\tif ( view.value ) {\n\t\t\treturn () => view;\n\t\t}\n\t\t// { key, ... }\n\t\telse {\n\t\t\treturn modelAttributeValue => ( { key: view.key, value: modelAttributeValue } );\n\t\t}\n\t} else {\n\t\t// function.\n\t\treturn view;\n\t}\n}\n\n// Helper function for `highlight`. Prepares the actual descriptor object using value passed to the converter.\nfunction prepareDescriptor( highlightDescriptor, data, conversionApi ) {\n\t// If passed descriptor is a creator function, call it. If not, just use passed value.\n\tconst descriptor = typeof highlightDescriptor == 'function' ?\n\t\thighlightDescriptor( data, conversionApi ) :\n\t\thighlightDescriptor;\n\n\tif ( !descriptor ) {\n\t\treturn null;\n\t}\n\n\t// Apply default descriptor priority.\n\tif ( !descriptor.priority ) {\n\t\tdescriptor.priority = 10;\n\t}\n\n\t// Default descriptor id is marker name.\n\tif ( !descriptor.id ) {\n\t\tdescriptor.id = data.markerName;\n\t}\n\n\treturn descriptor;\n}\n\n/**\n * An object describing how the marker highlight should be represented in the view.\n *\n * Each text node contained in a highlighted range will be wrapped in a `<span>`\n * {@link module:engine/view/attributeelement~AttributeElement view attribute element} with CSS class(es), attributes and a priority\n * described by this object.\n *\n * Additionally, each {@link module:engine/view/containerelement~ContainerElement container element} can handle displaying the highlight\n * separately by providing the `addHighlight` and `removeHighlight` custom properties. In this case:\n *\n *  * The `HighlightDescriptor` object is passed to the `addHighlight` function upon conversion and should be used to apply the highlight to\n *  the element.\n *  * The descriptor `id` is passed to the `removeHighlight` function upon conversion and should be used to remove the highlight with the\n *  given ID from the element.\n *\n * @typedef {Object} module:engine/conversion/downcasthelpers~HighlightDescriptor\n *\n * @property {String|Array.<String>} classes A CSS class or an array of classes to set. If the descriptor is used to\n * create an {@link module:engine/view/attributeelement~AttributeElement attribute element} over text nodes, these classes will be set\n * on that attribute element. If the descriptor is applied to an element, usually these classes will be set on that element, however,\n * this depends on how the element converts the descriptor.\n *\n * @property {String} [id] Descriptor identifier. If not provided, it defaults to the converted marker's name.\n *\n * @property {Number} [priority] Descriptor priority. If not provided, it defaults to `10`. If the descriptor is used to create\n * an {@link module:engine/view/attributeelement~AttributeElement attribute element}, it will be that element's\n * {@link module:engine/view/attributeelement~AttributeElement#priority priority}. If the descriptor is applied to an element,\n * the priority will be used to determine which descriptor is more important.\n *\n * @property {Object} [attributes] Attributes to set. If the descriptor is used to create\n * an {@link module:engine/view/attributeelement~AttributeElement attribute element} over text nodes, these attributes will be set on that\n * attribute element. If the descriptor is applied to an element, usually these attributes will be set on that element, however,\n * this depends on how the element converts the descriptor.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/autoparagraphing\n */\n\n/**\n * Fixes all empty roots.\n *\n * @protected\n * @param {module:engine/model/writer~Writer} writer The model writer.\n * @returns {Boolean} `true` if any change has been applied, `false` otherwise.\n */\nexport function autoParagraphEmptyRoots( writer ) {\n\tconst { schema, document } = writer.model;\n\n\tfor ( const rootName of document.getRootNames() ) {\n\t\tconst root = document.getRoot( rootName );\n\n\t\tif ( root.isEmpty && !schema.checkChild( root, '$text' ) ) {\n\t\t\t// If paragraph element is allowed in the root, create paragraph element.\n\t\t\tif ( schema.checkChild( root, 'paragraph' ) ) {\n\t\t\t\twriter.insertElement( 'paragraph', root );\n\n\t\t\t\t// Other roots will get fixed in the next post-fixer round. Those will be triggered\n\t\t\t\t// in the same batch no matter if this method was triggered by the post-fixing or not\n\t\t\t\t// (the above insertElement call will trigger the post-fixers).\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn false;\n}\n\n/**\n * Checks if the given node wrapped with a paragraph would be accepted by the schema in the given position.\n *\n * @protected\n * @param {module:engine/model/position~Position} position The position at which to check.\n * @param {module:engine/model/node~Node|String} nodeOrType The child node or child type to check.\n * @param {module:engine/model/schema~Schema} schema A schema instance used for element validation.\n */\nexport function isParagraphable( position, nodeOrType, schema ) {\n\tconst context = schema.createContext( position );\n\n\t// When paragraph is allowed in this context...\n\tif ( !schema.checkChild( context, 'paragraph' ) ) {\n\t\treturn false;\n\t}\n\n\t// And a node would be allowed in this paragraph...\n\tif ( !schema.checkChild( context.push( 'paragraph' ), nodeOrType ) ) {\n\t\treturn false;\n\t}\n\n\treturn true;\n}\n\n/**\n * Inserts a new paragraph at the given position and returns a position inside that paragraph.\n *\n * @protected\n * @param {module:engine/model/position~Position} position The position where a paragraph should be inserted.\n * @param {module:engine/model/writer~Writer} writer The model writer.\n * @returns {module:engine/model/position~Position} Position inside the created paragraph.\n */\nexport function wrapInParagraph( position, writer ) {\n\tconst paragraph = writer.createElement( 'paragraph' );\n\n\twriter.insert( paragraph, position );\n\n\treturn writer.createPositionAt( paragraph, 0 );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport Matcher from '../view/matcher';\nimport ConversionHelpers from './conversionhelpers';\n\nimport { cloneDeep } from 'lodash-es';\n\nimport priorities from '@ckeditor/ckeditor5-utils/src/priorities';\nimport { isParagraphable, wrapInParagraph } from '../model/utils/autoparagraphing';\n\n/**\n * Contains {@link module:engine/view/view view} to {@link module:engine/model/model model} converters for\n * {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher}.\n *\n * @module engine/conversion/upcasthelpers\n */\n\n/**\n * Upcast conversion helper functions.\n *\n * @extends module:engine/conversion/conversionhelpers~ConversionHelpers\n */\nexport default class UpcastHelpers extends ConversionHelpers {\n\t/**\n\t * View element to model element conversion helper.\n\t *\n\t * This conversion results in creating a model element. For example,\n\t * view `<p>Foo</p>` becomes `<paragraph>Foo</paragraph>` in the model.\n\t *\n\t * Keep in mind that the element will be inserted only if it is allowed\n\t * by {@link module:engine/model/schema~Schema schema} configuration.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t *\t\t\tview: 'p',\n\t *\t\t\tmodel: 'paragraph'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t *\t\t\tview: 'p',\n\t *\t\t\tmodel: 'paragraph',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'p',\n\t *\t\t\t\tclasses: 'fancy'\n\t *\t\t\t},\n\t *\t\t\tmodel: 'fancyParagraph'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t * \t\t\tview: {\n\t *\t\t\t\tname: 'p',\n\t *\t\t\t\tclasses: 'heading'\n\t * \t\t\t},\n\t * \t\t\tmodel: ( viewElement, conversionApi ) => {\n\t * \t\t\t\tconst modelWriter = conversionApi.writer;\n\t *\n\t * \t\t\t\treturn modelWriter.createElement( 'heading', { level: viewElement.getAttribute( 'data-level' ) } );\n\t * \t\t\t}\n\t * \t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #elementToElement\n\t * @param {Object} config Conversion configuration.\n\t * @param {module:engine/view/matcher~MatcherPattern} [config.view] Pattern matching all view elements which should be converted. If not\n\t * set, the converter will fire for every view element.\n\t * @param {String|module:engine/model/element~Element|Function} config.model Name of the model element, a model element instance or a\n\t * function that takes a view element and {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi upcast conversion API}\n\t * and returns a model element. The model element will be inserted in the model.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\telementToElement( config ) {\n\t\treturn this.add( upcastElementToElement( config ) );\n\t}\n\n\t/**\n\t * View element to model attribute conversion helper.\n\t *\n\t * This conversion results in setting an attribute on a model node. For example, view `<strong>Foo</strong>` becomes\n\t * `Foo` {@link module:engine/model/text~Text model text node} with `bold` attribute set to `true`.\n\t *\n\t * This helper is meant to set a model attribute on all the elements that are inside the converted element:\n\t *\n\t *\t\t<strong>Foo</strong>   -->   <strong><p>Foo</p></strong>   -->   <paragraph><$text bold=\"true\">Foo</$text></paragraph>\n\t *\n\t * Above is a sample of HTML code, that goes through autoparagraphing (first step) and then is converted (second step).\n\t * Even though `<strong>` is over `<p>` element, `bold=\"true\"` was added to the text. See\n\t * {@link module:engine/conversion/upcasthelpers~UpcastHelpers#attributeToAttribute} for comparison.\n\t *\n\t * Keep in mind that the attribute will be set only if it is allowed by {@link module:engine/model/schema~Schema schema} configuration.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: 'strong',\n\t *\t\t\tmodel: 'bold'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: 'strong',\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tclasses: 'bold'\n\t *\t\t\t},\n\t *\t\t\tmodel: 'bold'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tclasses: [ 'styled', 'styled-dark' ]\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'styled',\n\t *\t\t\t\tvalue: 'dark'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * \t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tstyles: {\n\t *\t\t\t\t\t'font-size': /[\\s\\S]+/\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'fontSize',\n\t *\t\t\t\tvalue: ( viewElement, conversionApi ) => {\n\t *\t\t\t\t\tconst fontSize = viewElement.getStyle( 'font-size' );\n\t *\t\t\t\t\tconst value = fontSize.substr( 0, fontSize.length - 2 );\n\t *\n\t *\t\t\t\t\tif ( value <= 10 ) {\n\t *\t\t\t\t\t\treturn 'small';\n\t *\t\t\t\t\t} else if ( value > 12 ) {\n\t *\t\t\t\t\t\treturn 'big';\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #elementToAttribute\n\t * @param {Object} config Conversion configuration.\n\t * @param {module:engine/view/matcher~MatcherPattern} config.view Pattern matching all view elements which should be converted.\n\t * @param {String|Object} config.model Model attribute key or an object with `key` and `value` properties, describing\n\t * the model attribute. `value` property may be set as a function that takes a view element and\n\t * {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi upcast conversion API} and returns the value.\n\t * If `String` is given, the model attribute value will be set to `true`.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='low'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\telementToAttribute( config ) {\n\t\treturn this.add( upcastElementToAttribute( config ) );\n\t}\n\n\t/**\n\t * View attribute to model attribute conversion helper.\n\t *\n\t * This conversion results in setting an attribute on a model node. For example, view `<img src=\"foo.jpg\"></img>` becomes\n\t * `<imageBlock source=\"foo.jpg\"></imageBlock>` in the model.\n\t *\n\t * This helper is meant to convert view attributes from view elements which got converted to the model, so the view attribute\n\t * is set only on the corresponding model node:\n\t *\n\t *\t\t<div class=\"dark\"><div>foo</div></div>    -->    <div dark=\"true\"><div>foo</div></div>\n\t *\n\t * Above, `class=\"dark\"` attribute is added only to the `<div>` elements that has it. This is in contrary to\n\t * {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToAttribute} which sets attributes for\n\t * all the children in the model:\n\t *\n\t *\t\t<strong>Foo</strong>   -->   <strong><p>Foo</p></strong>   -->   <paragraph><$text bold=\"true\">Foo</$text></paragraph>\n\t *\n\t * Above is a sample of HTML code, that goes through autoparagraphing (first step) and then is converted (second step).\n\t * Even though `<strong>` is over `<p>` element, `bold=\"true\"` was added to the text.\n\t *\n\t * Keep in mind that the attribute will be set only if it is allowed by {@link module:engine/model/schema~Schema schema} configuration.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: 'src',\n\t *\t\t\tmodel: 'source'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: { key: 'src' },\n\t *\t\t\tmodel: 'source'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: { key: 'src' },\n\t *\t\t\tmodel: 'source',\n\t *\t\t\tconverterPriority: 'normal'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tkey: 'data-style',\n\t *\t\t\t\tvalue: /[\\s\\S]+/\n\t *\t\t\t},\n\t *\t\t\tmodel: 'styled'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'img',\n\t *\t\t\t\tkey: 'class',\n\t *\t\t\t\tvalue: 'styled-dark'\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'styled',\n\t *\t\t\t\tvalue: 'dark'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tkey: 'class',\n\t *\t\t\t\tvalue: /styled-[\\S]+/\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'styled'\n\t *\t\t\t\tvalue: ( viewElement, conversionApi ) => {\n\t *\t\t\t\t\tconst regexp = /styled-([\\S]+)/;\n\t *\t\t\t\t\tconst match = viewElement.getAttribute( 'class' ).match( regexp );\n\t *\n\t *\t\t\t\t\treturn match[ 1 ];\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Converting styles works a bit differently as it requires `view.styles` to be an object and by default\n\t * a model attribute will be set to `true` by such a converter. You can set the model attribute to any value by providing the `value`\n\t * callback that returns the desired value.\n\t *\n\t *\t\t// Default conversion of font-weight style will result in setting bold attribute to true.\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tstyles: {\n\t *\t\t\t\t\t'font-weight': 'bold'\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tmodel: 'bold'\n\t *\t\t} );\n\t *\n\t *\t\t// This converter will pass any style value to the `lineHeight` model attribute.\n\t *\t\teditor.conversion.for( 'upcast' ).attributeToAttribute( {\n\t *\t\t\tview: {\n\t *\t\t\t\tstyles: {\n\t *\t\t\t\t\t'line-height': /[\\s\\S]+/\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'lineHeight',\n\t *\t\t\t\tvalue: ( viewElement, conversionApi ) => viewElement.getStyle( 'line-height' )\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #attributeToAttribute\n\t * @param {Object} config Conversion configuration.\n\t * @param {String|Object} config.view Specifies which view attribute will be converted. If a `String` is passed,\n\t * attributes with given key will be converted. If an `Object` is passed, it must have a required `key` property,\n\t * specifying view attribute key, and may have an optional `value` property, specifying view attribute value and optional `name`\n\t * property specifying a view element name from/on which the attribute should be converted. `value` can be given as a `String`,\n\t * a `RegExp` or a function callback, that takes view attribute value as the only parameter and returns `Boolean`.\n\t * @param {String|Object} config.model Model attribute key or an object with `key` and `value` properties, describing\n\t * the model attribute. `value` property may be set as a function that takes a view element and\n\t * {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi upcast conversion API} and returns the value.\n\t * If `String` is given, the model attribute value will be same as view attribute value.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='low'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\tattributeToAttribute( config ) {\n\t\treturn this.add( upcastAttributeToAttribute( config ) );\n\t}\n\n\t/**\n\t * View element to model marker conversion helper.\n\t *\n\t * This conversion results in creating a model marker. For example, if the marker was stored in a view as an element:\n\t * `<p>Fo<span data-marker=\"comment\" data-comment-id=\"7\"></span>o</p><p>B<span data-marker=\"comment\" data-comment-id=\"7\"></span>ar</p>`,\n\t * after the conversion is done, the marker will be available in\n\t * {@link module:engine/model/model~Model#markers model document markers}.\n\t *\n\t * **Note**: When this helper is used in the data upcast in combination with\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToData `#markerToData()`} in the data downcast,\n\t * then invalid HTML code (e.g. a span between table cells) may be produced by the latter converter.\n\t *\n\t * In most of the cases, the {@link #dataToMarker} should be used instead.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToMarker( {\n\t *\t\t\tview: 'marker-search',\n\t *\t\t\tmodel: 'search'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToMarker( {\n\t *\t\t\tview: 'marker-search',\n\t *\t\t\tmodel: 'search',\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToMarker( {\n\t *\t\t\tview: 'marker-search',\n\t *\t\t\tmodel: ( viewElement, conversionApi ) => 'comment:' + viewElement.getAttribute( 'data-comment-id' )\n\t *\t\t} );\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).elementToMarker( {\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tattributes: {\n\t *\t\t\t\t\t'data-marker': 'search'\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tmodel: 'search'\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #elementToMarker\n\t * @param {Object} config Conversion configuration.\n\t * @param {module:engine/view/matcher~MatcherPattern} config.view Pattern matching all view elements which should be converted.\n\t * @param {String|Function} config.model Name of the model marker, or a function that takes a view element and returns\n\t * a model marker name.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\telementToMarker( config ) {\n\t\treturn this.add( upcastElementToMarker( config ) );\n\t}\n\n\t/**\n\t * View-to-model marker conversion helper.\n\t *\n\t * Converts view data created by {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToData `#markerToData()`}\n\t * back to a model marker.\n\t *\n\t * This converter looks for specific view elements and view attributes that mark marker boundaries. See\n\t * {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToData `#markerToData()`} to learn what view data\n\t * is expected by this converter.\n\t *\n\t * The `config.view` property is equal to the marker group name to convert.\n\t *\n\t * By default, this converter creates markers with the `group:name` name convention (to match the default `markerToData` conversion).\n\t *\n\t * The conversion configuration can take a function that will generate a marker name.\n\t * If such function is set as the `config.model` parameter, it is passed the `name` part from the view element or attribute and it is\n\t * expected to return a string with the marker name.\n\t *\n\t * Basic usage:\n\t *\n\t *\t\t// Using the default conversion.\n\t *\t\t// In this case, all markers from the `comment` group will be converted.\n\t *\t\t// The conversion will look for `<comment-start>` and `<comment-end>` tags and\n\t *\t\t// `data-comment-start-before`, `data-comment-start-after`,\n\t *\t\t// `data-comment-end-before` and `data-comment-end-after` attributes.\n\t *\t\teditor.conversion.for( 'upcast' ).dataToMarker( {\n\t *\t\t\tview: 'comment'\n\t *\t\t} );\n\t *\n\t * An example of a model that may be generated by this conversion:\n\t *\n\t *\t\t// View:\n\t *\t\t<p>Foo<comment-start name=\"commentId:uid\"></comment-start>bar</p>\n\t *\t\t<figure data-comment-end-after=\"commentId:uid\" class=\"image\"><img src=\"abc.jpg\" /></figure>\n\t *\n\t *\t\t// Model:\n\t *\t\t<paragraph>Foo[bar</paragraph>\n\t *\t\t<imageBlock src=\"abc.jpg\"></imageBlock>]\n\t *\n\t * Where `[]` are boundaries of a marker that will receive the `comment:commentId:uid` name.\n\t *\n\t * Other examples of usage:\n\t *\n\t *\t\t// Using a custom function which is the same as the default conversion:\n\t *\t\teditor.conversion.for( 'upcast' ).dataToMarker( {\n\t *\t\t\tview: 'comment',\n\t *\t\t\tmodel: ( name, conversionApi ) => 'comment:' + name,\n\t *\t\t} );\n\t *\n\t *\t\t// Using the converter priority:\n\t *\t\teditor.conversion.for( 'upcast' ).dataToMarker( {\n\t *\t\t\tview: 'comment',\n\t *\t\t\tmodel: ( name, conversionApi ) => 'comment:' + name,\n\t *\t\t\tconverterPriority: 'high'\n\t *\t\t} );\n\t *\n\t * See {@link module:engine/conversion/conversion~Conversion#for `conversion.for()`} to learn how to add a converter\n\t * to the conversion process.\n\t *\n\t * @method #dataToMarker\n\t * @param {Object} config Conversion configuration.\n\t * @param {String} config.view The marker group name to convert.\n\t * @param {Function} [config.model] A function that takes the `name` part from the view element or attribute and\n\t * {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi upcast conversion API} and returns the marker name.\n\t * @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n\t * @returns {module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\tdataToMarker( config ) {\n\t\treturn this.add( upcastDataToMarker( config ) );\n\t}\n}\n\n/**\n * Function factory, creates a converter that converts {@link module:engine/view/documentfragment~DocumentFragment view document fragment}\n * or all children of {@link module:engine/view/element~Element} into\n * {@link module:engine/model/documentfragment~DocumentFragment model document fragment}.\n * This is the \"entry-point\" converter for upcast (view to model conversion). This converter starts the conversion of all children\n * of passed view document fragment. Those children {@link module:engine/view/node~Node view nodes} are then handled by other converters.\n *\n * This also a \"default\", last resort converter for all view elements that has not been converted by other converters.\n * When a view element is being converted to the model but it does not have converter specified, that view element\n * will be converted to {@link module:engine/model/documentfragment~DocumentFragment model document fragment} and returned.\n *\n * @returns {Function} Universal converter for view {@link module:engine/view/documentfragment~DocumentFragment fragments} and\n * {@link module:engine/view/element~Element elements} that returns\n * {@link module:engine/model/documentfragment~DocumentFragment model fragment} with children of converted view item.\n */\nexport function convertToModelFragment() {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Second argument in `consumable.consume` is discarded for ViewDocumentFragment but is needed for ViewElement.\n\t\tif ( !data.modelRange && conversionApi.consumable.consume( data.viewItem, { name: true } ) ) {\n\t\t\tconst { modelRange, modelCursor } = conversionApi.convertChildren( data.viewItem, data.modelCursor );\n\n\t\t\tdata.modelRange = modelRange;\n\t\t\tdata.modelCursor = modelCursor;\n\t\t}\n\t};\n}\n\n/**\n * Function factory, creates a converter that converts {@link module:engine/view/text~Text} to {@link module:engine/model/text~Text}.\n *\n * @returns {Function} {@link module:engine/view/text~Text View text} converter.\n */\nexport function convertText() {\n\treturn ( evt, data, { schema, consumable, writer } ) => {\n\t\tlet position = data.modelCursor;\n\n\t\t// When node is already converted then do nothing.\n\t\tif ( !consumable.test( data.viewItem ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !schema.checkChild( position, '$text' ) ) {\n\t\t\tif ( !isParagraphable( position, '$text', schema ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tposition = wrapInParagraph( position, writer );\n\t\t}\n\n\t\tconsumable.consume( data.viewItem );\n\n\t\tconst text = writer.createText( data.viewItem.data );\n\n\t\twriter.insert( text, position );\n\n\t\tdata.modelRange = writer.createRange(\n\t\t\tposition,\n\t\t\tposition.getShiftedBy( text.offsetSize )\n\t\t);\n\t\tdata.modelCursor = data.modelRange.end;\n\t};\n}\n\n/**\n * Function factory, creates a callback function which converts a {@link module:engine/view/selection~Selection\n * view selection} taken from the {@link module:engine/view/document~Document#event:selectionChange} event\n * and sets in on the {@link module:engine/model/document~Document#selection model}.\n *\n * **Note**: because there is no view selection change dispatcher nor any other advanced view selection to model\n * conversion mechanism, the callback should be set directly on view document.\n *\n *\t\tview.document.on( 'selectionChange', convertSelectionChange( modelDocument, mapper ) );\n *\n * @param {module:engine/model/model~Model} model Data model.\n * @param {module:engine/conversion/mapper~Mapper} mapper Conversion mapper.\n * @returns {Function} {@link module:engine/view/document~Document#event:selectionChange} callback function.\n */\nexport function convertSelectionChange( model, mapper ) {\n\treturn ( evt, data ) => {\n\t\tconst viewSelection = data.newSelection;\n\n\t\tconst ranges = [];\n\n\t\tfor ( const viewRange of viewSelection.getRanges() ) {\n\t\t\tranges.push( mapper.toModelRange( viewRange ) );\n\t\t}\n\n\t\tconst modelSelection = model.createSelection( ranges, { backward: viewSelection.isBackward } );\n\n\t\tif ( !modelSelection.isEqual( model.document.selection ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( modelSelection );\n\t\t\t} );\n\t\t}\n\t};\n}\n\n// View element to model element conversion helper.\n//\n// See {@link ~UpcastHelpers#elementToElement `.elementToElement()` upcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {module:engine/view/matcher~MatcherPattern} [config.view] Pattern matching all view elements which should be converted. If not\n// set, the converter will fire for every view element.\n// @param {String|module:engine/model/element~Element|Function} config.model Name of the model element, a model element\n// instance or a function that takes a view element and returns a model element. The model element will be inserted in the model.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction upcastElementToElement( config ) {\n\tconfig = cloneDeep( config );\n\n\tconst converter = prepareToElementConverter( config );\n\n\tconst elementName = getViewElementNameFromConfig( config.view );\n\tconst eventName = elementName ? 'element:' + elementName : 'element';\n\n\treturn dispatcher => {\n\t\tdispatcher.on( eventName, converter, { priority: config.converterPriority || 'normal' } );\n\t};\n}\n\n// View element to model attribute conversion helper.\n//\n// See {@link ~UpcastHelpers#elementToAttribute `.elementToAttribute()` upcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {module:engine/view/matcher~MatcherPattern} config.view Pattern matching all view elements which should be converted.\n// @param {String|Object} config.model Model attribute key or an object with `key` and `value` properties, describing\n// the model attribute. `value` property may be set as a function that takes a view element and returns the value.\n// If `String` is given, the model attribute value will be set to `true`.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='low'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction upcastElementToAttribute( config ) {\n\tconfig = cloneDeep( config );\n\n\tnormalizeModelAttributeConfig( config );\n\n\tconst converter = prepareToAttributeConverter( config, false );\n\n\tconst elementName = getViewElementNameFromConfig( config.view );\n\tconst eventName = elementName ? 'element:' + elementName : 'element';\n\n\treturn dispatcher => {\n\t\tdispatcher.on( eventName, converter, { priority: config.converterPriority || 'low' } );\n\t};\n}\n\n// View attribute to model attribute conversion helper.\n//\n// See {@link ~UpcastHelpers#attributeToAttribute `.attributeToAttribute()` upcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {String|Object} config.view Specifies which view attribute will be converted. If a `String` is passed,\n// attributes with given key will be converted. If an `Object` is passed, it must have a required `key` property,\n// specifying view attribute key, and may have an optional `value` property, specifying view attribute value and optional `name`\n// property specifying a view element name from/on which the attribute should be converted. `value` can be given as a `String`,\n// a `RegExp` or a function callback, that takes view attribute value as the only parameter and returns `Boolean`.\n// @param {String|Object} config.model Model attribute key or an object with `key` and `value` properties, describing\n// the model attribute. `value` property may be set as a function that takes a view element and returns the value.\n// If `String` is given, the model attribute value will be same as view attribute value.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='low'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction upcastAttributeToAttribute( config ) {\n\tconfig = cloneDeep( config );\n\n\tlet viewKey = null;\n\n\tif ( typeof config.view == 'string' || config.view.key ) {\n\t\tviewKey = normalizeViewAttributeKeyValueConfig( config );\n\t}\n\n\tnormalizeModelAttributeConfig( config, viewKey );\n\n\tconst converter = prepareToAttributeConverter( config, true );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element', converter, { priority: config.converterPriority || 'low' } );\n\t};\n}\n\n// View element to model marker conversion helper.\n//\n// See {@link ~UpcastHelpers#elementToMarker `.elementToMarker()` upcast helper} for examples.\n//\n// @param {Object} config Conversion configuration.\n// @param {module:engine/view/matcher~MatcherPattern} config.view Pattern matching all view elements which should be converted.\n// @param {String|Function} config.model Name of the model marker, or a function that takes a view element and returns\n// a model marker name.\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal'] Converter priority.\n// @returns {Function} Conversion helper.\nfunction upcastElementToMarker( config ) {\n\tconfig = cloneDeep( config );\n\n\tnormalizeElementToMarkerConfig( config );\n\n\treturn upcastElementToElement( config );\n}\n\n// View data to model marker conversion helper.\n//\n// See {@link ~UpcastHelpers#dataToMarker} to learn more.\n//\n// @param {Object} config\n// @param {String} config.view\n// @param {Function} [config.model]\n// @param {module:utils/priorities~PriorityString} [config.converterPriority='normal']\n// @returns {Function} Conversion helper.\nfunction upcastDataToMarker( config ) {\n\tconfig = cloneDeep( config );\n\n\t// Default conversion.\n\tif ( !config.model ) {\n\t\tconfig.model = name => {\n\t\t\treturn name ? config.view + ':' + name : config.view;\n\t\t};\n\t}\n\n\tconst converterStart = prepareToElementConverter( normalizeDataToMarkerConfig( config, 'start' ) );\n\tconst converterEnd = prepareToElementConverter( normalizeDataToMarkerConfig( config, 'end' ) );\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:' + config.view + '-start', converterStart, { priority: config.converterPriority || 'normal' } );\n\t\tdispatcher.on( 'element:' + config.view + '-end', converterEnd, { priority: config.converterPriority || 'normal' } );\n\n\t\t// Below is a hack that is needed to properly handle `converterPriority` for both elements and attributes.\n\t\t// Attribute conversion needs to be performed *after* element conversion.\n\t\t// This converter handles both element conversion and attribute conversion, which means that if a single\n\t\t// `config.converterPriority` is used, it will lead to problems. For example, if the `'high'` priority is used,\n\t\t// the attribute conversion will be performed before a lot of element upcast converters.\n\t\t// On the other hand, we want to support `config.converterPriority` and converter overwriting.\n\t\t//\n\t\t// To make it work, we need to do some extra processing for priority for attribute converter.\n\t\t// Priority `'low'` value should be the base value and then we will change it depending on `config.converterPriority` value.\n\t\t//\n\t\t// This hack probably would not be needed if attributes are upcasted separately.\n\t\t//\n\t\tconst basePriority = priorities.get( 'low' );\n\t\tconst maxPriority = priorities.get( 'highest' );\n\t\tconst priorityFactor = priorities.get( config.converterPriority ) / maxPriority; // Number in range [ -1, 1 ].\n\n\t\tdispatcher.on( 'element', upcastAttributeToMarker( config ), { priority: basePriority + priorityFactor } );\n\t};\n}\n\n// Function factory, returns a callback function which converts view attributes to a model marker.\n//\n// The converter looks for elements with `data-group-start-before`, `data-group-start-after`, `data-group-end-before`\n// and `data-group-end-after` attributes and inserts `$marker` model elements before/after those elements.\n// `group` part is specified in `config.view`.\n//\n// @param {Object} config\n// @param {String} config.view\n// @param {Function} [config.model]\n// @returns {Function} Marker converter.\nfunction upcastAttributeToMarker( config ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst attrName = `data-${ config.view }`;\n\n\t\t// Check if any attribute for the given view item can be consumed before changing the conversion data\n\t\t// and consuming view items with these attributes.\n\t\tif (\n\t\t\t!conversionApi.consumable.test( data.viewItem, { attributes: attrName + '-end-after' } ) &&\n\t\t\t!conversionApi.consumable.test( data.viewItem, { attributes: attrName + '-start-after' } ) &&\n\t\t\t!conversionApi.consumable.test( data.viewItem, { attributes: attrName + '-end-before' } ) &&\n\t\t\t!conversionApi.consumable.test( data.viewItem, { attributes: attrName + '-start-before' } )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\t// This converter wants to add a model element, marking a marker, before/after an element (or maybe even group of elements).\n\t\t// To do that, we can use `data.modelRange` which is set on an element (or a group of elements) that has been upcasted.\n\t\t// But, if the processed view element has not been upcasted yet (it does not have been converted), we need to\n\t\t// fire conversion for its children first, then we will have `data.modelRange` available.\n\t\tif ( !data.modelRange ) {\n\t\t\tObject.assign( data, conversionApi.convertChildren( data.viewItem, data.modelCursor ) );\n\t\t}\n\n\t\tif ( conversionApi.consumable.consume( data.viewItem, { attributes: attrName + '-end-after' } ) ) {\n\t\t\taddMarkerElements( data.modelRange.end, data.viewItem.getAttribute( attrName + '-end-after' ).split( ',' ) );\n\t\t}\n\n\t\tif ( conversionApi.consumable.consume( data.viewItem, { attributes: attrName + '-start-after' } ) ) {\n\t\t\taddMarkerElements( data.modelRange.end, data.viewItem.getAttribute( attrName + '-start-after' ).split( ',' ) );\n\t\t}\n\n\t\tif ( conversionApi.consumable.consume( data.viewItem, { attributes: attrName + '-end-before' } ) ) {\n\t\t\taddMarkerElements( data.modelRange.start, data.viewItem.getAttribute( attrName + '-end-before' ).split( ',' ) );\n\t\t}\n\n\t\tif ( conversionApi.consumable.consume( data.viewItem, { attributes: attrName + '-start-before' } ) ) {\n\t\t\taddMarkerElements( data.modelRange.start, data.viewItem.getAttribute( attrName + '-start-before' ).split( ',' ) );\n\t\t}\n\n\t\tfunction addMarkerElements( position, markerViewNames ) {\n\t\t\tfor ( const markerViewName of markerViewNames ) {\n\t\t\t\tconst markerName = config.model( markerViewName, conversionApi );\n\t\t\t\tconst element = conversionApi.writer.createElement( '$marker', { 'data-name': markerName } );\n\n\t\t\t\tconversionApi.writer.insert( element, position );\n\n\t\t\t\tif ( data.modelCursor.isEqual( position ) ) {\n\t\t\t\t\tdata.modelCursor = data.modelCursor.getShiftedBy( 1 );\n\t\t\t\t} else {\n\t\t\t\t\tdata.modelCursor = data.modelCursor._getTransformedByInsertion( position, 1 );\n\t\t\t\t}\n\n\t\t\t\tdata.modelRange = data.modelRange._getTransformedByInsertion( position, 1 )[ 0 ];\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Helper function for from-view-element conversion. Checks if `config.view` directly specifies converted view element's name\n// and if so, returns it.\n//\n// @param {Object} config Conversion view config.\n// @returns {String|null} View element name or `null` if name is not directly set.\nfunction getViewElementNameFromConfig( viewConfig ) {\n\tif ( typeof viewConfig == 'string' ) {\n\t\treturn viewConfig;\n\t}\n\n\tif ( typeof viewConfig == 'object' && typeof viewConfig.name == 'string' ) {\n\t\treturn viewConfig.name;\n\t}\n\n\treturn null;\n}\n\n// Helper for to-model-element conversion. Takes a config object and returns a proper converter function.\n//\n// @param {Object} config Conversion configuration.\n// @returns {Function} View to model converter.\nfunction prepareToElementConverter( config ) {\n\tconst matcher = new Matcher( config.view );\n\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst matcherResult = matcher.match( data.viewItem );\n\n\t\tif ( !matcherResult ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst match = matcherResult.match;\n\n\t\t// Force consuming element's name.\n\t\tmatch.name = true;\n\n\t\tif ( !conversionApi.consumable.test( data.viewItem, match ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelElement = getModelElement( config.model, data.viewItem, conversionApi );\n\n\t\tif ( !modelElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.safeInsert( modelElement, data.modelCursor ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconversionApi.consumable.consume( data.viewItem, match );\n\t\tconversionApi.convertChildren( data.viewItem, modelElement );\n\t\tconversionApi.updateConversionResult( modelElement, data );\n\t};\n}\n\n// Helper function for upcasting-to-element converter. Takes the model configuration, the converted view element\n// and a writer instance and returns a model element instance to be inserted in the model.\n//\n// @param {String|Function|module:engine/model/element~Element} model Model conversion configuration.\n// @param {module:engine/view/node~Node} input The converted view node.\n// @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi The upcast conversion API.\nfunction getModelElement( model, input, conversionApi ) {\n\tif ( model instanceof Function ) {\n\t\treturn model( input, conversionApi );\n\t} else {\n\t\treturn conversionApi.writer.createElement( model );\n\t}\n}\n\n// Helper function view-attribute-to-model-attribute helper. Normalizes `config.view` which was set as `String` or\n// as an `Object` with `key`, `value` and `name` properties. Normalized `config.view` has is compatible with\n// {@link module:engine/view/matcher~MatcherPattern}.\n//\n// @param {Object} config Conversion config.\n// @returns {String} Key of the converted view attribute.\nfunction normalizeViewAttributeKeyValueConfig( config ) {\n\tif ( typeof config.view == 'string' ) {\n\t\tconfig.view = { key: config.view };\n\t}\n\n\tconst key = config.view.key;\n\tlet normalized;\n\n\tif ( key == 'class' || key == 'style' ) {\n\t\tconst keyName = key == 'class' ? 'classes' : 'styles';\n\n\t\tnormalized = {\n\t\t\t[ keyName ]: config.view.value\n\t\t};\n\t} else {\n\t\tconst value = typeof config.view.value == 'undefined' ? /[\\s\\S]*/ : config.view.value;\n\n\t\tnormalized = {\n\t\t\tattributes: {\n\t\t\t\t[ key ]: value\n\t\t\t}\n\t\t};\n\t}\n\n\tif ( config.view.name ) {\n\t\tnormalized.name = config.view.name;\n\t}\n\n\tconfig.view = normalized;\n\n\treturn key;\n}\n\n// Helper function that normalizes `config.model` in from-model-attribute conversion. `config.model` can be set\n// as a `String`, an `Object` with only `key` property or an `Object` with `key` and `value` properties. Normalized\n// `config.model` is an `Object` with `key` and `value` properties.\n//\n// @param {Object} config Conversion config.\n// @param {String} viewAttributeKeyToCopy Key of the converted view attribute. If it is set, model attribute value\n// will be equal to view attribute value.\nfunction normalizeModelAttributeConfig( config, viewAttributeKeyToCopy = null ) {\n\tconst defaultModelValue = viewAttributeKeyToCopy === null ? true : viewElement => viewElement.getAttribute( viewAttributeKeyToCopy );\n\n\tconst key = typeof config.model != 'object' ? config.model : config.model.key;\n\tconst value = typeof config.model != 'object' || typeof config.model.value == 'undefined' ? defaultModelValue : config.model.value;\n\n\tconfig.model = { key, value };\n}\n\n// Helper for to-model-attribute conversion. Takes the model attribute name and conversion configuration and returns\n// a proper converter function.\n//\n// @param {String} modelAttributeKey The key of the model attribute to set on a model node.\n// @param {Object|Array.<Object>} config Conversion configuration. It is possible to provide multiple configurations in an array.\n// @param {Boolean} shallow If set to `true` the attribute will be set only on top-level nodes. Otherwise, it will be set\n// on all elements in the range.\nfunction prepareToAttributeConverter( config, shallow ) {\n\tconst matcher = new Matcher( config.view );\n\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst match = matcher.match( data.viewItem );\n\n\t\t// If there is no match, this callback should not do anything.\n\t\tif ( !match ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( onlyViewNameIsDefined( config.view, data.viewItem ) ) {\n\t\t\tmatch.match.name = true;\n\t\t} else {\n\t\t\t// Do not test or consume `name` consumable.\n\t\t\tdelete match.match.name;\n\t\t}\n\n\t\t// Try to consume appropriate values from consumable values list.\n\t\tif ( !conversionApi.consumable.test( data.viewItem, match.match ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelKey = config.model.key;\n\t\tconst modelValue = typeof config.model.value == 'function' ?\n\t\t\tconfig.model.value( data.viewItem, conversionApi ) : config.model.value;\n\n\t\t// Do not convert if attribute building function returned falsy value.\n\t\tif ( modelValue === null ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Since we are converting to attribute we need a range on which we will set the attribute.\n\t\t// If the range is not created yet, let's create it by converting children of the current node first.\n\t\tif ( !data.modelRange ) {\n\t\t\t// Convert children and set conversion result as a current data.\n\t\t\tObject.assign( data, conversionApi.convertChildren( data.viewItem, data.modelCursor ) );\n\t\t}\n\n\t\t// Set attribute on current `output`. `Schema` is checked inside this helper function.\n\t\tconst attributeWasSet = setAttributeOn( data.modelRange, { key: modelKey, value: modelValue }, shallow, conversionApi );\n\n\t\t// It may happen that a converter will try to set an attribute that is not allowed in the given context.\n\t\t// In such a situation we cannot consume the attribute. See: https://github.com/ckeditor/ckeditor5/pull/9249#issuecomment-815658459.\n\t\tif ( attributeWasSet ) {\n\t\t\tconversionApi.consumable.consume( data.viewItem, match.match );\n\t\t}\n\t};\n}\n\n// Helper function that checks if element name should be consumed in attribute converters.\n//\n// @param {Object} config Conversion view config.\n// @returns {Boolean}\nfunction onlyViewNameIsDefined( viewConfig, viewItem ) {\n\t// https://github.com/ckeditor/ckeditor5-engine/issues/1786\n\tconst configToTest = typeof viewConfig == 'function' ? viewConfig( viewItem ) : viewConfig;\n\n\tif ( typeof configToTest == 'object' && !getViewElementNameFromConfig( configToTest ) ) {\n\t\treturn false;\n\t}\n\n\treturn !configToTest.classes && !configToTest.attributes && !configToTest.styles;\n}\n\n// Helper function for to-model-attribute converter. Sets model attribute on given range. Checks {@link module:engine/model/schema~Schema}\n// to ensure proper model structure.\n//\n// If any node on the given range has already defined an attribute with the same name, its value will not be updated.\n//\n// @param {module:engine/model/range~Range} modelRange Model range on which attribute should be set.\n// @param {Object} modelAttribute Model attribute to set.\n// @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion API.\n// @param {Boolean} shallow If set to `true` the attribute will be set only on top-level nodes. Otherwise, it will be set\n// on all elements in the range.\n// @returns {Boolean} `true` if attribute was set on at least one node from given `modelRange`.\nfunction setAttributeOn( modelRange, modelAttribute, shallow, conversionApi ) {\n\tlet result = false;\n\n\t// Set attribute on each item in range according to Schema.\n\tfor ( const node of Array.from( modelRange.getItems( { shallow } ) ) ) {\n\t\t// Skip if not allowed.\n\t\tif ( !conversionApi.schema.checkAttribute( node, modelAttribute.key ) ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\t// Mark the node as consumed even if the attribute will not be updated because it's in a valid context (schema)\n\t\t// and would be converted if the attribute wouldn't be present. See #8921.\n\t\tresult = true;\n\n\t\t// Do not override the attribute if it's already present.\n\t\tif ( node.hasAttribute( modelAttribute.key ) ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconversionApi.writer.setAttribute( modelAttribute.key, modelAttribute.value, node );\n\t}\n\n\treturn result;\n}\n\n// Helper function for upcasting-to-marker conversion. Takes the config in a format requested by `upcastElementToMarker()`\n// function and converts it to a format that is supported by `upcastElementToElement()` function.\n//\n// @param {Object} config Conversion configuration.\nfunction normalizeElementToMarkerConfig( config ) {\n\tconst oldModel = config.model;\n\n\tconfig.model = ( viewElement, conversionApi ) => {\n\t\tconst markerName = typeof oldModel == 'string' ? oldModel : oldModel( viewElement, conversionApi );\n\n\t\treturn conversionApi.writer.createElement( '$marker', { 'data-name': markerName } );\n\t};\n}\n\n// Helper function for upcasting-to-marker conversion. Takes the config in a format requested by `upcastDataToMarker()`\n// function and converts it to a format that is supported by `upcastElementToElement()` function.\n//\n// @param {Object} config Conversion configuration.\nfunction normalizeDataToMarkerConfig( config, type ) {\n\tconst configForElements = {};\n\n\t// Upcast <markerGroup-start> and <markerGroup-end> elements.\n\tconfigForElements.view = config.view + '-' + type;\n\n\tconfigForElements.model = ( viewElement, conversionApi ) => {\n\t\tconst viewName = viewElement.getAttribute( 'name' );\n\t\tconst markerName = config.model( viewName, conversionApi );\n\n\t\treturn conversionApi.writer.createElement( '$marker', { 'data-name': markerName } );\n\t};\n\n\treturn configForElements;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/controller/editingcontroller\n */\n\nimport RootEditableElement from '../view/rooteditableelement';\nimport View from '../view/view';\nimport Mapper from '../conversion/mapper';\nimport DowncastDispatcher from '../conversion/downcastdispatcher';\nimport { clearAttributes, convertCollapsedSelection, convertRangeSelection, insertText, remove } from '../conversion/downcasthelpers';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { convertSelectionChange } from '../conversion/upcasthelpers';\n\n// @if CK_DEBUG_ENGINE // const { dumpTrees, initDocumentDumping } = require( '../dev-utils/utils' );\n\n/**\n * Controller for the editing pipeline. The editing pipeline controls {@link ~EditingController#model model} rendering,\n * including selection handling. It also creates the {@link ~EditingController#view view} which builds a\n * browser-independent virtualization over the DOM elements. The editing controller also attaches default converters.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class EditingController {\n\t/**\n\t * Creates an editing controller instance.\n\t *\n\t * @param {module:engine/model/model~Model} model Editing model.\n\t * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor The styles processor instance.\n\t */\n\tconstructor( model, stylesProcessor ) {\n\t\t/**\n\t\t * Editor model.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * Editing view controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/view~View}\n\t\t */\n\t\tthis.view = new View( stylesProcessor );\n\n\t\t/**\n\t\t * Mapper which describes the model-view binding.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/mapper~Mapper}\n\t\t */\n\t\tthis.mapper = new Mapper();\n\n\t\t/**\n\t\t * Downcast dispatcher that converts changes from the model to {@link #view the editing view}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/downcastdispatcher~DowncastDispatcher} #downcastDispatcher\n\t\t */\n\t\tthis.downcastDispatcher = new DowncastDispatcher( {\n\t\t\tmapper: this.mapper,\n\t\t\tschema: model.schema\n\t\t} );\n\n\t\tconst doc = this.model.document;\n\t\tconst selection = doc.selection;\n\t\tconst markers = this.model.markers;\n\n\t\t// When plugins listen on model changes (on selection change, post fixers, etc.) and change the view as a result of\n\t\t// model's change, they might trigger view rendering before the conversion is completed (e.g. before the selection\n\t\t// is converted). We disable rendering for the length of the outermost model change() block to prevent that.\n\t\t//\n\t\t// See https://github.com/ckeditor/ckeditor5-engine/issues/1528\n\t\tthis.listenTo( this.model, '_beforeChanges', () => {\n\t\t\tthis.view._disableRendering( true );\n\t\t}, { priority: 'highest' } );\n\n\t\tthis.listenTo( this.model, '_afterChanges', () => {\n\t\t\tthis.view._disableRendering( false );\n\t\t}, { priority: 'lowest' } );\n\n\t\t// Whenever model document is changed, convert those changes to the view (using model.Document#differ).\n\t\t// Do it on 'low' priority, so changes are converted after other listeners did their job.\n\t\t// Also convert model selection.\n\t\tthis.listenTo( doc, 'change', () => {\n\t\t\tthis.view.change( writer => {\n\t\t\t\tthis.downcastDispatcher.convertChanges( doc.differ, markers, writer );\n\t\t\t\tthis.downcastDispatcher.convertSelection( selection, markers, writer );\n\t\t\t} );\n\t\t}, { priority: 'low' } );\n\n\t\t// Convert selection from the view to the model when it changes in the view.\n\t\tthis.listenTo( this.view.document, 'selectionChange', convertSelectionChange( this.model, this.mapper ) );\n\n\t\t// Attach default model converters.\n\t\tthis.downcastDispatcher.on( 'insert:$text', insertText(), { priority: 'lowest' } );\n\t\tthis.downcastDispatcher.on( 'remove', remove(), { priority: 'low' } );\n\n\t\t// Attach default model selection converters.\n\t\tthis.downcastDispatcher.on( 'selection', clearAttributes(), { priority: 'high' } );\n\t\tthis.downcastDispatcher.on( 'selection', convertRangeSelection(), { priority: 'low' } );\n\t\tthis.downcastDispatcher.on( 'selection', convertCollapsedSelection(), { priority: 'low' } );\n\n\t\t// Binds {@link module:engine/view/document~Document#roots view roots collection} to\n\t\t// {@link module:engine/model/document~Document#roots model roots collection} so creating\n\t\t// model root automatically creates corresponding view root.\n\t\tthis.view.document.roots.bindTo( this.model.document.roots ).using( root => {\n\t\t\t// $graveyard is a special root that has no reflection in the view.\n\t\t\tif ( root.rootName == '$graveyard' ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tconst viewRoot = new RootEditableElement( this.view.document, root.name );\n\n\t\t\tviewRoot.rootName = root.rootName;\n\t\t\tthis.mapper.bindElements( root, viewRoot );\n\n\t\t\treturn viewRoot;\n\t\t} );\n\n\t\t// @if CK_DEBUG_ENGINE // initDocumentDumping( this.model.document );\n\t\t// @if CK_DEBUG_ENGINE // initDocumentDumping( this.view.document );\n\n\t\t// @if CK_DEBUG_ENGINE // dumpTrees( this.model.document, this.model.document.version );\n\t\t// @if CK_DEBUG_ENGINE // dumpTrees( this.view.document, this.model.document.version );\n\n\t\t// @if CK_DEBUG_ENGINE // this.model.document.on( 'change', () => {\n\t\t// @if CK_DEBUG_ENGINE //\tdumpTrees( this.view.document, this.model.document.version );\n\t\t// @if CK_DEBUG_ENGINE // }, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * Removes all event listeners attached to the `EditingController`. Destroys all objects created\n\t * by `EditingController` that need to be destroyed.\n\t */\n\tdestroy() {\n\t\tthis.view.destroy();\n\t\tthis.stopListening();\n\t}\n}\n\nmix( EditingController, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/commandcollection\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Collection of commands. Its instance is available in {@link module:core/editor/editor~Editor#commands `editor.commands`}.\n */\nexport default class CommandCollection {\n\t/**\n\t * Creates collection instance.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Command map.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._commands = new Map();\n\t}\n\n\t/**\n\t * Registers a new command.\n\t *\n\t * @param {String} commandName The name of the command.\n\t * @param {module:core/command~Command} command\n\t */\n\tadd( commandName, command ) {\n\t\tthis._commands.set( commandName, command );\n\t}\n\n\t/**\n\t * Retrieves a command from the collection.\n\t *\n\t * @param {String} commandName The name of the command.\n\t * @returns {module:core/command~Command}\n\t */\n\tget( commandName ) {\n\t\treturn this._commands.get( commandName );\n\t}\n\n\t/**\n\t * Executes a command.\n\t *\n\t * @param {String} commandName The name of the command.\n\t * @param {*} [...commandParams] Command parameters.\n\t * @returns {*} The value returned by the {@link module:core/command~Command#execute `command.execute()`}.\n\t */\n\texecute( commandName, ...args ) {\n\t\tconst command = this.get( commandName );\n\n\t\tif ( !command ) {\n\t\t\t/**\n\t\t\t * Command does not exist.\n\t\t\t *\n\t\t\t * @error commandcollection-command-not-found\n\t\t\t * @param {String} commandName Name of the command.\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'commandcollection-command-not-found', this, { commandName } );\n\t\t}\n\n\t\treturn command.execute( ...args );\n\t}\n\n\t/**\n\t * Returns iterator of command names.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\t* names() {\n\t\tyield* this._commands.keys();\n\t}\n\n\t/**\n\t * Returns iterator of command instances.\n\t *\n\t * @returns {Iterable.<module:core/command~Command>}\n\t */\n\t* commands() {\n\t\tyield* this._commands.values();\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Returns `[ commandName, commandInstance ]` pairs.\n\t *\n\t * @returns {Iterable.<Array>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._commands[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Destroys all collection commands.\n\t */\n\tdestroy() {\n\t\tfor ( const command of this.commands() ) {\n\t\t\tcommand.destroy();\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/viewconsumable\n */\n\nimport { isArray } from 'lodash-es';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Class used for handling consumption of view {@link module:engine/view/element~Element elements},\n * {@link module:engine/view/text~Text text nodes} and {@link module:engine/view/documentfragment~DocumentFragment document fragments}.\n * Element's name and its parts (attributes, classes and styles) can be consumed separately. Consuming an element's name\n * does not consume its attributes, classes and styles.\n * To add items for consumption use {@link module:engine/conversion/viewconsumable~ViewConsumable#add add method}.\n * To test items use {@link module:engine/conversion/viewconsumable~ViewConsumable#test test method}.\n * To consume items use {@link module:engine/conversion/viewconsumable~ViewConsumable#consume consume method}.\n * To revert already consumed items use {@link module:engine/conversion/viewconsumable~ViewConsumable#revert revert method}.\n *\n *\t\tviewConsumable.add( element, { name: true } ); // Adds element's name as ready to be consumed.\n *\t\tviewConsumable.add( textNode ); // Adds text node for consumption.\n *\t\tviewConsumable.add( docFragment ); // Adds document fragment for consumption.\n *\t\tviewConsumable.test( element, { name: true }  ); // Tests if element's name can be consumed.\n *\t\tviewConsumable.test( textNode ); // Tests if text node can be consumed.\n *\t\tviewConsumable.test( docFragment ); // Tests if document fragment can be consumed.\n *\t\tviewConsumable.consume( element, { name: true }  ); // Consume element's name.\n *\t\tviewConsumable.consume( textNode ); // Consume text node.\n *\t\tviewConsumable.consume( docFragment ); // Consume document fragment.\n *\t\tviewConsumable.revert( element, { name: true }  ); // Revert already consumed element's name.\n *\t\tviewConsumable.revert( textNode ); // Revert already consumed text node.\n *\t\tviewConsumable.revert( docFragment ); // Revert already consumed document fragment.\n */\nexport default class ViewConsumable {\n\t/**\n\t * Creates new ViewConsumable.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Map of consumable elements. If {@link module:engine/view/element~Element element} is used as a key,\n\t\t * {@link module:engine/conversion/viewconsumable~ViewElementConsumables ViewElementConsumables} instance is stored as value.\n\t\t * For {@link module:engine/view/text~Text text nodes} and\n\t\t * {@link module:engine/view/documentfragment~DocumentFragment document fragments} boolean value is stored as value.\n\t\t *\n\t\t * @protected\n\t\t * @member {Map.<module:engine/conversion/viewconsumable~ViewElementConsumables|Boolean>}\n\t\t*/\n\t\tthis._consumables = new Map();\n\t}\n\n\t/**\n\t * Adds {@link module:engine/view/element~Element view element}, {@link module:engine/view/text~Text text node} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment} as ready to be consumed.\n\t *\n\t *\t\tviewConsumable.add( p, { name: true } ); // Adds element's name to consume.\n\t *\t\tviewConsumable.add( p, { attributes: 'name' } ); // Adds element's attribute.\n\t *\t\tviewConsumable.add( p, { classes: 'foobar' } ); // Adds element's class.\n\t *\t\tviewConsumable.add( p, { styles: 'color' } ); // Adds element's style\n\t *\t\tviewConsumable.add( p, { attributes: 'name', styles: 'color' } ); // Adds attribute and style.\n\t *\t\tviewConsumable.add( p, { classes: [ 'baz', 'bar' ] } ); // Multiple consumables can be provided.\n\t *\t\tviewConsumable.add( textNode ); // Adds text node to consume.\n\t *\t\tviewConsumable.add( docFragment ); // Adds document fragment to consume.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `viewconsumable-invalid-attribute` when `class` or `style`\n\t * attribute is provided - it should be handled separately by providing actual style/class.\n\t *\n\t *\t\tviewConsumable.add( p, { attributes: 'style' } ); // This call will throw an exception.\n\t *\t\tviewConsumable.add( p, { styles: 'color' } ); // This is properly handled style.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/text~Text|module:engine/view/documentfragment~DocumentFragment} element\n\t * @param {Object} [consumables] Used only if first parameter is {@link module:engine/view/element~Element view element} instance.\n\t * @param {Boolean} consumables.name If set to true element's name will be included.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names.\n\t */\n\tadd( element, consumables ) {\n\t\tlet elementConsumables;\n\n\t\t// For text nodes and document fragments just mark them as consumable.\n\t\tif ( element.is( '$text' ) || element.is( 'documentFragment' ) ) {\n\t\t\tthis._consumables.set( element, true );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// For elements create new ViewElementConsumables or update already existing one.\n\t\tif ( !this._consumables.has( element ) ) {\n\t\t\telementConsumables = new ViewElementConsumables( element );\n\t\t\tthis._consumables.set( element, elementConsumables );\n\t\t} else {\n\t\t\telementConsumables = this._consumables.get( element );\n\t\t}\n\n\t\telementConsumables.add( consumables );\n\t}\n\n\t/**\n\t * Tests if {@link module:engine/view/element~Element view element}, {@link module:engine/view/text~Text text node} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment} can be consumed.\n\t * It returns `true` when all items included in method's call can be consumed. Returns `false` when\n\t * first already consumed item is found and `null` when first non-consumable item is found.\n\t *\n\t *\t\tviewConsumable.test( p, { name: true } ); // Tests element's name.\n\t *\t\tviewConsumable.test( p, { attributes: 'name' } ); // Tests attribute.\n\t *\t\tviewConsumable.test( p, { classes: 'foobar' } ); // Tests class.\n\t *\t\tviewConsumable.test( p, { styles: 'color' } ); // Tests style.\n\t *\t\tviewConsumable.test( p, { attributes: 'name', styles: 'color' } ); // Tests attribute and style.\n\t *\t\tviewConsumable.test( p, { classes: [ 'baz', 'bar' ] } ); // Multiple consumables can be tested.\n\t *\t\tviewConsumable.test( textNode ); // Tests text node.\n\t *\t\tviewConsumable.test( docFragment ); // Tests document fragment.\n\t *\n\t * Testing classes and styles as attribute will test if all added classes/styles can be consumed.\n\t *\n\t *\t\tviewConsumable.test( p, { attributes: 'class' } ); // Tests if all added classes can be consumed.\n\t *\t\tviewConsumable.test( p, { attributes: 'style' } ); // Tests if all added styles can be consumed.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/text~Text|module:engine/view/documentfragment~DocumentFragment} element\n\t * @param {Object} [consumables] Used only if first parameter is {@link module:engine/view/element~Element view element} instance.\n\t * @param {Boolean} consumables.name If set to true element's name will be included.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names.\n\t * @returns {Boolean|null} Returns `true` when all items included in method's call can be consumed. Returns `false`\n\t * when first already consumed item is found and `null` when first non-consumable item is found.\n\t */\n\ttest( element, consumables ) {\n\t\tconst elementConsumables = this._consumables.get( element );\n\n\t\tif ( elementConsumables === undefined ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// For text nodes and document fragments return stored boolean value.\n\t\tif ( element.is( '$text' ) || element.is( 'documentFragment' ) ) {\n\t\t\treturn elementConsumables;\n\t\t}\n\n\t\t// For elements test consumables object.\n\t\treturn elementConsumables.test( consumables );\n\t}\n\n\t/**\n\t * Consumes {@link module:engine/view/element~Element view element}, {@link module:engine/view/text~Text text node} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment}.\n\t * It returns `true` when all items included in method's call can be consumed, otherwise returns `false`.\n\t *\n\t *\t\tviewConsumable.consume( p, { name: true } ); // Consumes element's name.\n\t *\t\tviewConsumable.consume( p, { attributes: 'name' } ); // Consumes element's attribute.\n\t *\t\tviewConsumable.consume( p, { classes: 'foobar' } ); // Consumes element's class.\n\t *\t\tviewConsumable.consume( p, { styles: 'color' } ); // Consumes element's style.\n\t *\t\tviewConsumable.consume( p, { attributes: 'name', styles: 'color' } ); // Consumes attribute and style.\n\t *\t\tviewConsumable.consume( p, { classes: [ 'baz', 'bar' ] } ); // Multiple consumables can be consumed.\n\t *\t\tviewConsumable.consume( textNode ); // Consumes text node.\n\t *\t\tviewConsumable.consume( docFragment ); // Consumes document fragment.\n\t *\n\t * Consuming classes and styles as attribute will test if all added classes/styles can be consumed.\n\t *\n\t *\t\tviewConsumable.consume( p, { attributes: 'class' } ); // Consume only if all added classes can be consumed.\n\t *\t\tviewConsumable.consume( p, { attributes: 'style' } ); // Consume only if all added styles can be consumed.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/text~Text|module:engine/view/documentfragment~DocumentFragment} element\n\t * @param {Object} [consumables] Used only if first parameter is {@link module:engine/view/element~Element view element} instance.\n\t * @param {Boolean} consumables.name If set to true element's name will be included.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names.\n\t * @returns {Boolean} Returns `true` when all items included in method's call can be consumed,\n\t * otherwise returns `false`.\n\t */\n\tconsume( element, consumables ) {\n\t\tif ( this.test( element, consumables ) ) {\n\t\t\tif ( element.is( '$text' ) || element.is( 'documentFragment' ) ) {\n\t\t\t\t// For text nodes and document fragments set value to false.\n\t\t\t\tthis._consumables.set( element, false );\n\t\t\t} else {\n\t\t\t\t// For elements - consume consumables object.\n\t\t\t\tthis._consumables.get( element ).consume( consumables );\n\t\t\t}\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Reverts {@link module:engine/view/element~Element view element}, {@link module:engine/view/text~Text text node} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment document fragment} so they can be consumed once again.\n\t * Method does not revert items that were never previously added for consumption, even if they are included in\n\t * method's call.\n\t *\n\t *\t\tviewConsumable.revert( p, { name: true } ); // Reverts element's name.\n\t *\t\tviewConsumable.revert( p, { attributes: 'name' } ); // Reverts element's attribute.\n\t *\t\tviewConsumable.revert( p, { classes: 'foobar' } ); // Reverts element's class.\n\t *\t\tviewConsumable.revert( p, { styles: 'color' } ); // Reverts element's style.\n\t *\t\tviewConsumable.revert( p, { attributes: 'name', styles: 'color' } ); // Reverts attribute and style.\n\t *\t\tviewConsumable.revert( p, { classes: [ 'baz', 'bar' ] } ); // Multiple names can be reverted.\n\t *\t\tviewConsumable.revert( textNode ); // Reverts text node.\n\t *\t\tviewConsumable.revert( docFragment ); // Reverts document fragment.\n\t *\n\t * Reverting classes and styles as attribute will revert all classes/styles that were previously added for\n\t * consumption.\n\t *\n\t *\t\tviewConsumable.revert( p, { attributes: 'class' } ); // Reverts all classes added for consumption.\n\t *\t\tviewConsumable.revert( p, { attributes: 'style' } ); // Reverts all styles added for consumption.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/text~Text|module:engine/view/documentfragment~DocumentFragment} element\n\t * @param {Object} [consumables] Used only if first parameter is {@link module:engine/view/element~Element view element} instance.\n\t * @param {Boolean} consumables.name If set to true element's name will be included.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names.\n\t */\n\trevert( element, consumables ) {\n\t\tconst elementConsumables = this._consumables.get( element );\n\n\t\tif ( elementConsumables !== undefined ) {\n\t\t\tif ( element.is( '$text' ) || element.is( 'documentFragment' ) ) {\n\t\t\t\t// For text nodes and document fragments - set consumable to true.\n\t\t\t\tthis._consumables.set( element, true );\n\t\t\t} else {\n\t\t\t\t// For elements - revert items from consumables object.\n\t\t\t\telementConsumables.revert( consumables );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Creates consumable object from {@link module:engine/view/element~Element view element}. Consumable object will include\n\t * element's name and all its attributes, classes and styles.\n\t *\n\t * @static\n\t * @param {module:engine/view/element~Element} element\n\t * @returns {Object} consumables\n\t */\n\tstatic consumablesFromElement( element ) {\n\t\tconst consumables = {\n\t\t\telement,\n\t\t\tname: true,\n\t\t\tattributes: [],\n\t\t\tclasses: [],\n\t\t\tstyles: []\n\t\t};\n\n\t\tconst attributes = element.getAttributeKeys();\n\n\t\tfor ( const attribute of attributes ) {\n\t\t\t// Skip classes and styles - will be added separately.\n\t\t\tif ( attribute == 'style' || attribute == 'class' ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconsumables.attributes.push( attribute );\n\t\t}\n\n\t\tconst classes = element.getClassNames();\n\n\t\tfor ( const className of classes ) {\n\t\t\tconsumables.classes.push( className );\n\t\t}\n\n\t\tconst styles = element.getStyleNames();\n\n\t\tfor ( const style of styles ) {\n\t\t\tconsumables.styles.push( style );\n\t\t}\n\n\t\treturn consumables;\n\t}\n\n\t/**\n\t * Creates {@link module:engine/conversion/viewconsumable~ViewConsumable ViewConsumable} instance from\n\t * {@link module:engine/view/node~Node node} or {@link module:engine/view/documentfragment~DocumentFragment document fragment}.\n\t * Instance will contain all elements, child nodes, attributes, styles and classes added for consumption.\n\t *\n\t * @static\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} from View node or document fragment\n\t * from which `ViewConsumable` will be created.\n\t * @param {module:engine/conversion/viewconsumable~ViewConsumable} [instance] If provided, given `ViewConsumable` instance will be used\n\t * to add all consumables. It will be returned instead of a new instance.\n\t */\n\tstatic createFrom( from, instance ) {\n\t\tif ( !instance ) {\n\t\t\tinstance = new ViewConsumable( from );\n\t\t}\n\n\t\tif ( from.is( '$text' ) ) {\n\t\t\tinstance.add( from );\n\n\t\t\treturn instance;\n\t\t}\n\n\t\t// Add `from` itself, if it is an element.\n\t\tif ( from.is( 'element' ) ) {\n\t\t\tinstance.add( from, ViewConsumable.consumablesFromElement( from ) );\n\t\t}\n\n\t\tif ( from.is( 'documentFragment' ) ) {\n\t\t\tinstance.add( from );\n\t\t}\n\n\t\tfor ( const child of from.getChildren() ) {\n\t\t\tinstance = ViewConsumable.createFrom( child, instance );\n\t\t}\n\n\t\treturn instance;\n\t}\n}\n\n/**\n * This is a private helper-class for {@link module:engine/conversion/viewconsumable~ViewConsumable}.\n * It represents and manipulates consumable parts of a single {@link module:engine/view/element~Element}.\n *\n * @private\n */\nclass ViewElementConsumables {\n\t/**\n\t * Creates ViewElementConsumables instance.\n\t *\n\t * @param {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment} from View node or document fragment\n\t * from which `ViewElementConsumables` is being created.\n\t */\n\tconstructor( from ) {\n\t\t/**\n\t\t * @readonly\n\t\t * @member {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment}\n\t\t */\n\t\tthis.element = from;\n\n\t\t/**\n\t\t * Flag indicating if name of the element can be consumed.\n\t\t *\n\t\t * @private\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._canConsumeName = null;\n\n\t\t/**\n\t\t * Contains maps of element's consumables: attributes, classes and styles.\n\t\t *\n\t\t * @private\n\t\t * @member {Object}\n\t\t */\n\t\tthis._consumables = {\n\t\t\tattributes: new Map(),\n\t\t\tstyles: new Map(),\n\t\t\tclasses: new Map()\n\t\t};\n\t}\n\n\t/**\n\t * Adds consumable parts of the {@link module:engine/view/element~Element view element}.\n\t * Element's name itself can be marked to be consumed (when element's name is consumed its attributes, classes and\n\t * styles still could be consumed):\n\t *\n\t *\t\tconsumables.add( { name: true } );\n\t *\n\t * Attributes classes and styles:\n\t *\n\t *\t\tconsumables.add( { attributes: 'title', classes: 'foo', styles: 'color' } );\n\t *\t\tconsumables.add( { attributes: [ 'title', 'name' ], classes: [ 'foo', 'bar' ] );\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `viewconsumable-invalid-attribute` when `class` or `style`\n\t * attribute is provided - it should be handled separately by providing `style` and `class` in consumables object.\n\t *\n\t * @param {Object} consumables Object describing which parts of the element can be consumed.\n\t * @param {Boolean} consumables.name If set to `true` element's name will be added as consumable.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names to add as consumable.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names to add as consumable.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names to add as consumable.\n\t */\n\tadd( consumables ) {\n\t\tif ( consumables.name ) {\n\t\t\tthis._canConsumeName = true;\n\t\t}\n\n\t\tfor ( const type in this._consumables ) {\n\t\t\tif ( type in consumables ) {\n\t\t\t\tthis._add( type, consumables[ type ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Tests if parts of the {@link module:engine/view/node~Node view node} can be consumed.\n\t *\n\t * Element's name can be tested:\n\t *\n\t *\t\tconsumables.test( { name: true } );\n\t *\n\t * Attributes classes and styles:\n\t *\n\t *\t\tconsumables.test( { attributes: 'title', classes: 'foo', styles: 'color' } );\n\t *\t\tconsumables.test( { attributes: [ 'title', 'name' ], classes: [ 'foo', 'bar' ] );\n\t *\n\t * @param {Object} consumables Object describing which parts of the element should be tested.\n\t * @param {Boolean} consumables.name If set to `true` element's name will be tested.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names to test.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names to test.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names to test.\n\t * @returns {Boolean|null} `true` when all tested items can be consumed, `null` when even one of the items\n\t * was never marked for consumption and `false` when even one of the items was already consumed.\n\t */\n\ttest( consumables ) {\n\t\t// Check if name can be consumed.\n\t\tif ( consumables.name && !this._canConsumeName ) {\n\t\t\treturn this._canConsumeName;\n\t\t}\n\n\t\tfor ( const type in this._consumables ) {\n\t\t\tif ( type in consumables ) {\n\t\t\t\tconst value = this._test( type, consumables[ type ] );\n\n\t\t\t\tif ( value !== true ) {\n\t\t\t\t\treturn value;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Return true only if all can be consumed.\n\t\treturn true;\n\t}\n\n\t/**\n\t * Consumes parts of {@link module:engine/view/element~Element view element}. This function does not check if consumable item\n\t * is already consumed - it consumes all consumable items provided.\n\t * Element's name can be consumed:\n\t *\n\t *\t\tconsumables.consume( { name: true } );\n\t *\n\t * Attributes classes and styles:\n\t *\n\t *\t\tconsumables.consume( { attributes: 'title', classes: 'foo', styles: 'color' } );\n\t *\t\tconsumables.consume( { attributes: [ 'title', 'name' ], classes: [ 'foo', 'bar' ] );\n\t *\n\t * @param {Object} consumables Object describing which parts of the element should be consumed.\n\t * @param {Boolean} consumables.name If set to `true` element's name will be consumed.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names to consume.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names to consume.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names to consume.\n\t */\n\tconsume( consumables ) {\n\t\tif ( consumables.name ) {\n\t\t\tthis._canConsumeName = false;\n\t\t}\n\n\t\tfor ( const type in this._consumables ) {\n\t\t\tif ( type in consumables ) {\n\t\t\t\tthis._consume( type, consumables[ type ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Revert already consumed parts of {@link module:engine/view/element~Element view Element}, so they can be consumed once again.\n\t * Element's name can be reverted:\n\t *\n\t *\t\tconsumables.revert( { name: true } );\n\t *\n\t * Attributes classes and styles:\n\t *\n\t *\t\tconsumables.revert( { attributes: 'title', classes: 'foo', styles: 'color' } );\n\t *\t\tconsumables.revert( { attributes: [ 'title', 'name' ], classes: [ 'foo', 'bar' ] );\n\t *\n\t * @param {Object} consumables Object describing which parts of the element should be reverted.\n\t * @param {Boolean} consumables.name If set to `true` element's name will be reverted.\n\t * @param {String|Array.<String>} consumables.attributes Attribute name or array of attribute names to revert.\n\t * @param {String|Array.<String>} consumables.classes Class name or array of class names to revert.\n\t * @param {String|Array.<String>} consumables.styles Style name or array of style names to revert.\n\t */\n\trevert( consumables ) {\n\t\tif ( consumables.name ) {\n\t\t\tthis._canConsumeName = true;\n\t\t}\n\n\t\tfor ( const type in this._consumables ) {\n\t\t\tif ( type in consumables ) {\n\t\t\t\tthis._revert( type, consumables[ type ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Helper method that adds consumables of a given type: attribute, class or style.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `viewconsumable-invalid-attribute` when `class` or `style`\n\t * type is provided - it should be handled separately by providing actual style/class type.\n\t *\n\t * @private\n\t * @param {String} type Type of the consumable item: `attributes`, `classes` or `styles`.\n\t * @param {String|Array.<String>} item Consumable item or array of items.\n\t */\n\t_add( type, item ) {\n\t\tconst items = isArray( item ) ? item : [ item ];\n\t\tconst consumables = this._consumables[ type ];\n\n\t\tfor ( const name of items ) {\n\t\t\tif ( type === 'attributes' && ( name === 'class' || name === 'style' ) ) {\n\t\t\t\t/**\n\t\t\t\t * Class and style attributes should be handled separately in\n\t\t\t\t * {@link module:engine/conversion/viewconsumable~ViewConsumable#add `ViewConsumable#add()`}.\n\t\t\t\t *\n\t\t\t\t * What you have done is trying to use:\n\t\t\t\t *\n\t\t\t\t *\t\tconsumables.add( { attributes: [ 'class', 'style' ] } );\n\t\t\t\t *\n\t\t\t\t * While each class and style should be registered separately:\n\t\t\t\t *\n\t\t\t\t *\t\tconsumables.add( { classes: 'some-class', styles: 'font-weight' } );\n\t\t\t\t *\n\t\t\t\t * @error viewconsumable-invalid-attribute\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'viewconsumable-invalid-attribute', this );\n\t\t\t}\n\n\t\t\tconsumables.set( name, true );\n\n\t\t\tif ( type === 'styles' ) {\n\t\t\t\tfor ( const alsoName of this.element.document.stylesProcessor.getRelatedStyles( name ) ) {\n\t\t\t\t\tconsumables.set( alsoName, true );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Helper method that tests consumables of a given type: attribute, class or style.\n\t *\n\t * @private\n\t * @param {String} type Type of the consumable item: `attributes`, `classes` or `styles`.\n\t * @param {String|Array.<String>} item Consumable item or array of items.\n\t * @returns {Boolean|null} Returns `true` if all items can be consumed, `null` when one of the items cannot be\n\t * consumed and `false` when one of the items is already consumed.\n\t */\n\t_test( type, item ) {\n\t\tconst items = isArray( item ) ? item : [ item ];\n\t\tconst consumables = this._consumables[ type ];\n\n\t\tfor ( const name of items ) {\n\t\t\tif ( type === 'attributes' && ( name === 'class' || name === 'style' ) ) {\n\t\t\t\tconst consumableName = name == 'class' ? 'classes' : 'styles';\n\n\t\t\t\t// Check all classes/styles if class/style attribute is tested.\n\t\t\t\tconst value = this._test( consumableName, [ ...this._consumables[ consumableName ].keys() ] );\n\n\t\t\t\tif ( value !== true ) {\n\t\t\t\t\treturn value;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst value = consumables.get( name );\n\t\t\t\t// Return null if attribute is not found.\n\t\t\t\tif ( value === undefined ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tif ( !value ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Helper method that consumes items of a given type: attribute, class or style.\n\t *\n\t * @private\n\t * @param {String} type Type of the consumable item: `attributes`, `classes` or `styles`.\n\t * @param {String|Array.<String>} item Consumable item or array of items.\n\t */\n\t_consume( type, item ) {\n\t\tconst items = isArray( item ) ? item : [ item ];\n\t\tconst consumables = this._consumables[ type ];\n\n\t\tfor ( const name of items ) {\n\t\t\tif ( type === 'attributes' && ( name === 'class' || name === 'style' ) ) {\n\t\t\t\tconst consumableName = name == 'class' ? 'classes' : 'styles';\n\n\t\t\t\t// If class or style is provided for consumption - consume them all.\n\t\t\t\tthis._consume( consumableName, [ ...this._consumables[ consumableName ].keys() ] );\n\t\t\t} else {\n\t\t\t\tconsumables.set( name, false );\n\n\t\t\t\tif ( type == 'styles' ) {\n\t\t\t\t\tfor ( const toConsume of this.element.document.stylesProcessor.getRelatedStyles( name ) ) {\n\t\t\t\t\t\tconsumables.set( toConsume, false );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Helper method that reverts items of a given type: attribute, class or style.\n\t *\n\t * @private\n\t * @param {String} type Type of the consumable item: `attributes`, `classes` or , `styles`.\n\t * @param {String|Array.<String>} item Consumable item or array of items.\n\t */\n\t_revert( type, item ) {\n\t\tconst items = isArray( item ) ? item : [ item ];\n\t\tconst consumables = this._consumables[ type ];\n\n\t\tfor ( const name of items ) {\n\t\t\tif ( type === 'attributes' && ( name === 'class' || name === 'style' ) ) {\n\t\t\t\tconst consumableName = name == 'class' ? 'classes' : 'styles';\n\n\t\t\t\t// If class or style is provided for reverting - revert them all.\n\t\t\t\tthis._revert( consumableName, [ ...this._consumables[ consumableName ].keys() ] );\n\t\t\t} else {\n\t\t\t\tconst value = consumables.get( name );\n\n\t\t\t\tif ( value === false ) {\n\t\t\t\t\tconsumables.set( name, true );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/schema\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\nimport Range from './range';\nimport Position from './position';\nimport Element from './element';\nimport Text from './text';\nimport TreeWalker from './treewalker';\n\n/**\n * The model's schema. It defines the allowed and disallowed structures of nodes as well as nodes' attributes.\n * The schema is usually defined by the features and based on them, the editing framework and features\n * make decisions on how to change and process the model.\n *\n * The instance of schema is available in {@link module:engine/model/model~Model#schema `editor.model.schema`}.\n *\n * Read more about the schema in:\n *\n * * The {@glink framework/guides/architecture/editing-engine#schema schema section} of the\n * {@glink framework/guides/architecture/editing-engine Introduction to the Editing engine architecture} guide.\n * * The {@glink framework/guides/deep-dive/schema Schema deep dive} guide.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Schema {\n\t/**\n\t * Creates a schema instance.\n\t */\n\tconstructor() {\n\t\tthis._sourceDefinitions = {};\n\n\t\t/**\n\t\t * A dictionary containing attribute properties.\n\t\t *\n\t\t * @private\n\t\t * @member {Object.<String,String>}\n\t\t */\n\t\tthis._attributeProperties = {};\n\n\t\tthis.decorate( 'checkChild' );\n\t\tthis.decorate( 'checkAttribute' );\n\n\t\tthis.on( 'checkAttribute', ( evt, args ) => {\n\t\t\targs[ 0 ] = new SchemaContext( args[ 0 ] );\n\t\t}, { priority: 'highest' } );\n\n\t\tthis.on( 'checkChild', ( evt, args ) => {\n\t\t\targs[ 0 ] = new SchemaContext( args[ 0 ] );\n\t\t\targs[ 1 ] = this.getDefinition( args[ 1 ] );\n\t\t}, { priority: 'highest' } );\n\t}\n\n\t/**\n\t * Registers a schema item. Can only be called once for every item name.\n\t *\n\t *\t\tschema.register( 'paragraph', {\n\t *\t\t\tinheritAllFrom: '$block'\n\t *\t\t} );\n\t *\n\t * @param {String} itemName\n\t * @param {module:engine/model/schema~SchemaItemDefinition} definition\n\t */\n\tregister( itemName, definition ) {\n\t\tif ( this._sourceDefinitions[ itemName ] ) {\n\t\t\t/**\n\t\t\t * A single item cannot be registered twice in the schema.\n\t\t\t *\n\t\t\t * This situation may happen when:\n\t\t\t *\n\t\t\t * * Two or more plugins called {@link #register `register()`} with the same name. This will usually mean that\n\t\t\t * there is a collision between plugins which try to use the same element in the model. Unfortunately,\n\t\t\t * the only way to solve this is by modifying one of these plugins to use a unique model element name.\n\t\t\t * * A single plugin was loaded twice. This happens when it is installed by npm/yarn in two versions\n\t\t\t * and usually means one or more of the following issues:\n\t\t\t *     * a version mismatch (two of your dependencies require two different versions of this plugin),\n\t\t\t *     * incorrect imports (this plugin is somehow imported twice in a way which confuses webpack),\n\t\t\t *     * mess in `node_modules/` (`rm -rf node_modules/` may help).\n\t\t\t *\n\t\t\t * **Note:** Check the logged `itemName` to better understand which plugin was duplicated/conflicting.\n\t\t\t *\n\t\t\t * @param itemName The name of the model element that is being registered twice.\n\t\t\t * @error schema-cannot-register-item-twice\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'schema-cannot-register-item-twice',\n\t\t\t\tthis,\n\t\t\t\t{\n\t\t\t\t\titemName\n\t\t\t\t}\n\t\t\t);\n\t\t}\n\n\t\tthis._sourceDefinitions[ itemName ] = [\n\t\t\tObject.assign( {}, definition )\n\t\t];\n\n\t\tthis._clearCache();\n\t}\n\n\t/**\n\t * Extends a {@link #register registered} item's definition.\n\t *\n\t * Extending properties such as `allowIn` will add more items to the existing properties,\n\t * while redefining properties such as `isBlock` will override the previously defined ones.\n\t *\n\t *\t\tschema.register( 'foo', {\n\t *\t\t\tallowIn: '$root',\n\t *\t\t\tisBlock: true;\n\t *\t\t} );\n\t *\t\tschema.extend( 'foo', {\n\t *\t\t\tallowIn: 'blockQuote',\n\t *\t\t\tisBlock: false\n\t *\t\t} );\n\t *\n\t *\t\tschema.getDefinition( 'foo' );\n\t *\t\t//\t{\n\t *\t\t//\t\tallowIn: [ '$root', 'blockQuote' ],\n\t *\t\t// \t\tisBlock: false\n\t *\t\t//\t}\n\t *\n\t * @param {String} itemName\n\t * @param {module:engine/model/schema~SchemaItemDefinition} definition\n\t */\n\textend( itemName, definition ) {\n\t\tif ( !this._sourceDefinitions[ itemName ] ) {\n\t\t\t/**\n\t\t\t * Cannot extend an item which was not registered yet.\n\t\t\t *\n\t\t\t * This error happens when a plugin tries to extend the schema definition of an item which was not\n\t\t\t * {@link #register registered} yet.\n\t\t\t *\n\t\t\t * @param itemName The name of the model element which is being extended.\n\t\t\t * @error schema-cannot-extend-missing-item\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'schema-cannot-extend-missing-item', this, {\n\t\t\t\titemName\n\t\t\t} );\n\t\t}\n\n\t\tthis._sourceDefinitions[ itemName ].push( Object.assign( {}, definition ) );\n\n\t\tthis._clearCache();\n\t}\n\n\t/**\n\t * Returns data of all registered items.\n\t *\n\t * This method should normally be used for reflection purposes (e.g. defining a clone of a certain element,\n\t * checking a list of all block elements, etc).\n\t * Use specific methods (such as {@link #checkChild `checkChild()`} or {@link #isLimit `isLimit()`})\n\t * in other cases.\n\t *\n\t * @returns {Object.<String,module:engine/model/schema~SchemaCompiledItemDefinition>}\n\t */\n\tgetDefinitions() {\n\t\tif ( !this._compiledDefinitions ) {\n\t\t\tthis._compile();\n\t\t}\n\n\t\treturn this._compiledDefinitions;\n\t}\n\n\t/**\n\t * Returns a definition of the given item or `undefined` if an item is not registered.\n\t *\n\t * This method should normally be used for reflection purposes (e.g. defining a clone of a certain element,\n\t * checking a list of all block elements, etc).\n\t * Use specific methods (such as {@link #checkChild `checkChild()`} or {@link #isLimit `isLimit()`})\n\t * in other cases.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t * @returns {module:engine/model/schema~SchemaCompiledItemDefinition}\n\t */\n\tgetDefinition( item ) {\n\t\tlet itemName;\n\n\t\tif ( typeof item == 'string' ) {\n\t\t\titemName = item;\n\t\t} else if ( item.is && ( item.is( '$text' ) || item.is( '$textProxy' ) ) ) {\n\t\t\titemName = '$text';\n\t\t}\n\t\t// Element or module:engine/model/schema~SchemaContextItem.\n\t\telse {\n\t\t\titemName = item.name;\n\t\t}\n\n\t\treturn this.getDefinitions()[ itemName ];\n\t}\n\n\t/**\n\t * Returns `true` if the given item is registered in the schema.\n\t *\n\t *\t\tschema.isRegistered( 'paragraph' ); // -> true\n\t *\t\tschema.isRegistered( editor.model.document.getRoot() ); // -> true\n\t *\t\tschema.isRegistered( 'foo' ); // -> false\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n \t * @returns {Boolean}\n\t */\n\tisRegistered( item ) {\n\t\treturn !!this.getDefinition( item );\n\t}\n\n\t/**\n\t * Returns `true` if the given item is defined to be\n\t * a block by the {@link module:engine/model/schema~SchemaItemDefinition}'s `isBlock` property.\n\t *\n\t *\t\tschema.isBlock( 'paragraph' ); // -> true\n\t *\t\tschema.isBlock( '$root' ); // -> false\n\t *\n\t *\t\tconst paragraphElement = writer.createElement( 'paragraph' );\n\t *\t\tschema.isBlock( paragraphElement ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#block-elements Block elements} section of\n\t * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n  \t * @returns {Boolean}\n\t */\n\tisBlock( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\treturn !!( def && def.isBlock );\n\t}\n\n\t/**\n\t * Returns `true` if the given item should be treated as a limit element.\n\t *\n\t * It considers an item to be a limit element if its\n\t * {@link module:engine/model/schema~SchemaItemDefinition}'s\n\t * {@link module:engine/model/schema~SchemaItemDefinition#isLimit `isLimit`} or\n\t * {@link module:engine/model/schema~SchemaItemDefinition#isObject `isObject`} property\n\t * was set to `true`.\n\t *\n\t *\t\tschema.isLimit( 'paragraph' ); // -> false\n\t *\t\tschema.isLimit( '$root' ); // -> true\n\t *\t\tschema.isLimit( editor.model.document.getRoot() ); // -> true\n\t *\t\tschema.isLimit( 'imageBlock' ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#limit-elements Limit elements} section of\n\t * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n  \t * @returns {Boolean}\n\t */\n\tisLimit( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn !!( def.isLimit || def.isObject );\n\t}\n\n\t/**\n\t * Returns `true` if the given item should be treated as an object element.\n\t *\n\t * It considers an item to be an object element if its\n\t * {@link module:engine/model/schema~SchemaItemDefinition}'s\n\t * {@link module:engine/model/schema~SchemaItemDefinition#isObject `isObject`} property\n\t * was set to `true`.\n\t *\n\t *\t\tschema.isObject( 'paragraph' ); // -> false\n\t *\t\tschema.isObject( 'imageBlock' ); // -> true\n\t *\n\t *\t\tconst imageElement = writer.createElement( 'imageBlock' );\n\t *\t\tschema.isObject( imageElement ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#object-elements Object elements} section of\n\t * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n  \t * @returns {Boolean}\n\t */\n\tisObject( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Note: Check out the implementation of #isLimit(), #isSelectable(), and #isContent()\n\t\t// to understand why these three constitute an object.\n\t\treturn !!( def.isObject || ( def.isLimit && def.isSelectable && def.isContent ) );\n\t}\n\n\t/**\n\t * Returns `true` if the given item is defined to be\n\t * an inline element by the {@link module:engine/model/schema~SchemaItemDefinition}'s `isInline` property.\n\t *\n\t *\t\tschema.isInline( 'paragraph' ); // -> false\n\t *\t\tschema.isInline( 'softBreak' ); // -> true\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\tschema.isInline( text ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#inline-elements Inline elements} section of\n\t * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t * @returns {Boolean}\n\t */\n\tisInline( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\treturn !!( def && def.isInline );\n\t}\n\n\t/**\n\t * Returns `true` if the given item is defined to be\n\t * a selectable element by the {@link module:engine/model/schema~SchemaItemDefinition}'s `isSelectable` property.\n\t *\n\t *\t\tschema.isSelectable( 'paragraph' ); // -> false\n\t *\t\tschema.isSelectable( 'heading1' ); // -> false\n\t *\t\tschema.isSelectable( 'imageBlock' ); // -> true\n\t *\t\tschema.isSelectable( 'tableCell' ); // -> true\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\tschema.isSelectable( text ); // -> false\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#selectable-elements Selectable elements section} of\n\t * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t * @returns {Boolean}\n\t */\n\tisSelectable( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn !!( def.isSelectable || def.isObject );\n\t}\n\n\t/**\n\t * Returns `true` if the given item is defined to be\n\t * a content by the {@link module:engine/model/schema~SchemaItemDefinition}'s `isContent` property.\n\t *\n\t *\t\tschema.isContent( 'paragraph' ); // -> false\n\t *\t\tschema.isContent( 'heading1' ); // -> false\n\t *\t\tschema.isContent( 'imageBlock' ); // -> true\n\t *\t\tschema.isContent( 'horizontalLine' ); // -> true\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\tschema.isContent( text ); // -> true\n\t *\n\t * See the {@glink framework/guides/deep-dive/schema#content-elements Content elements section} of\n\t * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide for more details.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/schema~SchemaContextItem|String} item\n\t * @returns {Boolean}\n\t */\n\tisContent( item ) {\n\t\tconst def = this.getDefinition( item );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn !!( def.isContent || def.isObject );\n\t}\n\n\t/**\n\t * Checks whether the given node (`child`) can be a child of the given context.\n\t *\n\t *\t\tschema.checkChild( model.document.getRoot(), paragraph ); // -> false\n\t *\n\t *\t\tschema.register( 'paragraph', {\n\t *\t\t\tallowIn: '$root'\n\t *\t\t} );\n\t *\t\tschema.checkChild( model.document.getRoot(), paragraph ); // -> true\n\t *\n\t * Note: When verifying whether the given node can be a child of the given context, the\n\t * schema also verifies the entire context &mdash; from its root to its last element. Therefore, it is possible\n\t * for `checkChild()` to return `false` even though the context's last element can contain the checked child.\n\t * It happens if one of the context's elements does not allow its child.\n\t *\n\t * @fires checkChild\n\t * @param {module:engine/model/schema~SchemaContextDefinition} context The context in which the child will be checked.\n\t * @param {module:engine/model/node~Node|String} def The child to check.\n\t * @returns {Boolean}\n\t */\n\tcheckChild( context, def ) {\n\t\t// Note: context and child are already normalized here to a SchemaContext and SchemaCompiledItemDefinition.\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn this._checkContextMatch( def, context );\n\t}\n\n\t/**\n\t * Checks whether the given attribute can be applied in the given context (on the last\n\t * item of the context).\n\t *\n\t *\t\tschema.checkAttribute( textNode, 'bold' ); // -> false\n\t *\n\t *\t\tschema.extend( '$text', {\n\t *\t\t\tallowAttributes: 'bold'\n\t *\t\t} );\n\t *\t\tschema.checkAttribute( textNode, 'bold' ); // -> true\n\t *\n\t * @fires checkAttribute\n\t * @param {module:engine/model/schema~SchemaContextDefinition} context The context in which the attribute will be checked.\n\t * @param {String} attributeName\n\t * @returns {Boolean}\n\t */\n\tcheckAttribute( context, attributeName ) {\n\t\tconst def = this.getDefinition( context.last );\n\n\t\tif ( !def ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn def.allowAttributes.includes( attributeName );\n\t}\n\n\t/**\n\t * Checks whether the given element (`elementToMerge`) can be merged with the specified base element (`positionOrBaseElement`).\n\t *\n\t * In other words &mdash; whether `elementToMerge`'s children {@link #checkChild are allowed} in the `positionOrBaseElement`.\n\t *\n\t * This check ensures that elements merged with {@link module:engine/model/writer~Writer#merge `Writer#merge()`}\n\t * will be valid.\n\t *\n\t * Instead of elements, you can pass the instance of the {@link module:engine/model/position~Position} class as the\n\t * `positionOrBaseElement`. It means that the elements before and after the position will be checked whether they can be merged.\n\t *\n\t * @param {module:engine/model/position~Position|module:engine/model/element~Element} positionOrBaseElement The position or base\n\t * element to which the `elementToMerge` will be merged.\n\t * @param {module:engine/model/element~Element} elementToMerge The element to merge. Required if `positionOrBaseElement` is an element.\n\t * @returns {Boolean}\n\t */\n\tcheckMerge( positionOrBaseElement, elementToMerge = null ) {\n\t\tif ( positionOrBaseElement instanceof Position ) {\n\t\t\tconst nodeBefore = positionOrBaseElement.nodeBefore;\n\t\t\tconst nodeAfter = positionOrBaseElement.nodeAfter;\n\n\t\t\tif ( !( nodeBefore instanceof Element ) ) {\n\t\t\t\t/**\n\t\t\t\t * The node before the merge position must be an element.\n\t\t\t\t *\n\t\t\t\t * @error schema-check-merge-no-element-before\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'schema-check-merge-no-element-before',\n\t\t\t\t\tthis\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tif ( !( nodeAfter instanceof Element ) ) {\n\t\t\t\t/**\n\t\t\t\t * The node after the merge position must be an element.\n\t\t\t\t *\n\t\t\t\t * @error schema-check-merge-no-element-after\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'schema-check-merge-no-element-after',\n\t\t\t\t\tthis\n\t\t\t\t);\n\t\t\t}\n\n\t\t\treturn this.checkMerge( nodeBefore, nodeAfter );\n\t\t}\n\n\t\tfor ( const child of elementToMerge.getChildren() ) {\n\t\t\tif ( !this.checkChild( positionOrBaseElement, child ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Allows registering a callback to the {@link #checkChild} method calls.\n\t *\n\t * Callbacks allow you to implement rules which are not otherwise possible to achieve\n\t * by using the declarative API of {@link module:engine/model/schema~SchemaItemDefinition}.\n\t * For example, by using this method you can disallow elements in specific contexts.\n\t *\n\t * This method is a shorthand for using the {@link #event:checkChild} event. For even better control,\n\t * you can use that event instead.\n\t *\n\t * Example:\n\t *\n\t *\t\t// Disallow heading1 directly inside a blockQuote.\n\t *\t\tschema.addChildCheck( ( context, childDefinition ) => {\n\t *\t\t\tif ( context.endsWith( 'blockQuote' ) && childDefinition.name == 'heading1' ) {\n\t *\t\t\t\treturn false;\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Which translates to:\n\t *\n\t *\t\tschema.on( 'checkChild', ( evt, args ) => {\n\t *\t\t\tconst context = args[ 0 ];\n\t *\t\t\tconst childDefinition = args[ 1 ];\n\t *\n\t *\t\t\tif ( context.endsWith( 'blockQuote' ) && childDefinition && childDefinition.name == 'heading1' ) {\n\t *\t\t\t\t// Prevent next listeners from being called.\n\t *\t\t\t\tevt.stop();\n\t *\t\t\t\t// Set the checkChild()'s return value.\n\t *\t\t\t\tevt.return = false;\n\t *\t\t\t}\n\t *\t\t}, { priority: 'high' } );\n\t *\n\t * @param {Function} callback The callback to be called. It is called with two parameters:\n\t * {@link module:engine/model/schema~SchemaContext} (context) instance and\n\t * {@link module:engine/model/schema~SchemaCompiledItemDefinition} (child-to-check definition).\n\t * The callback may return `true/false` to override `checkChild()`'s return value. If it does not return\n\t * a boolean value, the default algorithm (or other callbacks) will define `checkChild()`'s return value.\n\t */\n\taddChildCheck( callback ) {\n\t\tthis.on( 'checkChild', ( evt, [ ctx, childDef ] ) => {\n\t\t\t// checkChild() was called with a non-registered child.\n\t\t\t// In 99% cases such check should return false, so not to overcomplicate all callbacks\n\t\t\t// don't even execute them.\n\t\t\tif ( !childDef ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst retValue = callback( ctx, childDef );\n\n\t\t\tif ( typeof retValue == 'boolean' ) {\n\t\t\t\tevt.stop();\n\t\t\t\tevt.return = retValue;\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * Allows registering a callback to the {@link #checkAttribute} method calls.\n\t *\n\t * Callbacks allow you to implement rules which are not otherwise possible to achieve\n\t * by using the declarative API of {@link module:engine/model/schema~SchemaItemDefinition}.\n\t * For example, by using this method you can disallow attribute if node to which it is applied\n\t * is contained within some other element (e.g. you want to disallow `bold` on `$text` within `heading1`).\n\t *\n\t * This method is a shorthand for using the {@link #event:checkAttribute} event. For even better control,\n\t * you can use that event instead.\n\t *\n\t * Example:\n\t *\n\t *\t\t// Disallow bold on $text inside heading1.\n\t *\t\tschema.addAttributeCheck( ( context, attributeName ) => {\n\t *\t\t\tif ( context.endsWith( 'heading1 $text' ) && attributeName == 'bold' ) {\n\t *\t\t\t\treturn false;\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * Which translates to:\n\t *\n\t *\t\tschema.on( 'checkAttribute', ( evt, args ) => {\n\t *\t\t\tconst context = args[ 0 ];\n\t *\t\t\tconst attributeName = args[ 1 ];\n\t *\n\t *\t\t\tif ( context.endsWith( 'heading1 $text' ) && attributeName == 'bold' ) {\n\t *\t\t\t\t// Prevent next listeners from being called.\n\t *\t\t\t\tevt.stop();\n\t *\t\t\t\t// Set the checkAttribute()'s return value.\n\t *\t\t\t\tevt.return = false;\n\t *\t\t\t}\n\t *\t\t}, { priority: 'high' } );\n\t *\n\t * @param {Function} callback The callback to be called. It is called with two parameters:\n\t * {@link module:engine/model/schema~SchemaContext} (context) instance and attribute name.\n\t * The callback may return `true/false` to override `checkAttribute()`'s return value. If it does not return\n\t * a boolean value, the default algorithm (or other callbacks) will define `checkAttribute()`'s return value.\n\t */\n\taddAttributeCheck( callback ) {\n\t\tthis.on( 'checkAttribute', ( evt, [ ctx, attributeName ] ) => {\n\t\t\tconst retValue = callback( ctx, attributeName );\n\n\t\t\tif ( typeof retValue == 'boolean' ) {\n\t\t\t\tevt.stop();\n\t\t\t\tevt.return = retValue;\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * This method allows assigning additional metadata to the model attributes. For example,\n\t * {@link module:engine/model/schema~AttributeProperties `AttributeProperties#isFormatting` property} is\n\t * used to mark formatting attributes (like `bold` or `italic`).\n\t *\n\t *\t\t// Mark bold as a formatting attribute.\n\t *\t\tschema.setAttributeProperties( 'bold', {\n\t *\t\t\tisFormatting: true\n\t *\t\t} );\n\t *\n\t *\t\t// Override code not to be considered a formatting markup.\n\t *\t\tschema.setAttributeProperties( 'code', {\n\t *\t\t\tisFormatting: false\n\t *\t\t} );\n\t *\n\t * Properties are not limited to members defined in the\n\t * {@link module:engine/model/schema~AttributeProperties `AttributeProperties` type} and you can also use custom properties:\n\t *\n\t *\t\tschema.setAttributeProperties( 'blockQuote', {\n\t *\t\t\tcustomProperty: 'value'\n\t *\t\t} );\n\t *\n\t * Subsequent calls with the same attribute will extend its custom properties:\n\t *\n\t *\t\tschema.setAttributeProperties( 'blockQuote', {\n\t *\t\t\tone: 1\n\t *\t\t} );\n\t *\n\t *\t\tschema.setAttributeProperties( 'blockQuote', {\n\t *\t\t\ttwo: 2\n\t *\t\t} );\n\t *\n\t *\t\tconsole.log( schema.getAttributeProperties( 'blockQuote' ) );\n\t *\t\t// Logs: { one: 1, two: 2 }\n\t *\n\t * @param {String} attributeName A name of the attribute to receive the properties.\n\t * @param {module:engine/model/schema~AttributeProperties} properties A dictionary of properties.\n\t */\n\tsetAttributeProperties( attributeName, properties ) {\n\t\tthis._attributeProperties[ attributeName ] = Object.assign( this.getAttributeProperties( attributeName ), properties );\n\t}\n\n\t/**\n\t * Returns properties associated with a given model attribute. See {@link #setAttributeProperties `setAttributeProperties()`}.\n\t *\n\t * @param {String} attributeName A name of the attribute.\n\t * @returns {module:engine/model/schema~AttributeProperties}\n\t */\n\tgetAttributeProperties( attributeName ) {\n\t\treturn this._attributeProperties[ attributeName ] || {};\n\t}\n\n\t/**\n\t * Returns the lowest {@link module:engine/model/schema~Schema#isLimit limit element} containing the entire\n\t * selection/range/position or the root otherwise.\n\t *\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection|\n\t * module:engine/model/range~Range|module:engine/model/position~Position} selectionOrRangeOrPosition\n\t * The selection/range/position to check.\n\t * @returns {module:engine/model/element~Element} The lowest limit element containing\n\t * the entire `selectionOrRangeOrPosition`.\n\t */\n\tgetLimitElement( selectionOrRangeOrPosition ) {\n\t\tlet element;\n\n\t\tif ( selectionOrRangeOrPosition instanceof Position ) {\n\t\t\telement = selectionOrRangeOrPosition.parent;\n\t\t} else {\n\t\t\tconst ranges = selectionOrRangeOrPosition instanceof Range ?\n\t\t\t\t[ selectionOrRangeOrPosition ] :\n\t\t\t\tArray.from( selectionOrRangeOrPosition.getRanges() );\n\n\t\t\t// Find the common ancestor for all selection's ranges.\n\t\t\telement = ranges\n\t\t\t\t.reduce( ( element, range ) => {\n\t\t\t\t\tconst rangeCommonAncestor = range.getCommonAncestor();\n\n\t\t\t\t\tif ( !element ) {\n\t\t\t\t\t\treturn rangeCommonAncestor;\n\t\t\t\t\t}\n\n\t\t\t\t\treturn element.getCommonAncestor( rangeCommonAncestor, { includeSelf: true } );\n\t\t\t\t}, null );\n\t\t}\n\n\t\twhile ( !this.isLimit( element ) ) {\n\t\t\tif ( element.parent ) {\n\t\t\t\telement = element.parent;\n\t\t\t} else {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\treturn element;\n\t}\n\n\t/**\n\t * Checks whether the attribute is allowed in selection:\n\t *\n\t * * if the selection is not collapsed, then checks if the attribute is allowed on any of nodes in that range,\n\t * * if the selection is collapsed, then checks if on the selection position there's a text with the\n\t * specified attribute allowed.\n\t *\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * Selection which will be checked.\n\t * @param {String} attribute The name of the attribute to check.\n\t * @returns {Boolean}\n\t */\n\tcheckAttributeInSelection( selection, attribute ) {\n\t\tif ( selection.isCollapsed ) {\n\t\t\tconst firstPosition = selection.getFirstPosition();\n\t\t\tconst context = [\n\t\t\t\t...firstPosition.getAncestors(),\n\t\t\t\tnew Text( '', selection.getAttributes() )\n\t\t\t];\n\n\t\t\t// Check whether schema allows for a text with the attribute in the selection.\n\t\t\treturn this.checkAttribute( context, attribute );\n\t\t} else {\n\t\t\tconst ranges = selection.getRanges();\n\n\t\t\t// For all ranges, check nodes in them until you find a node that is allowed to have the attribute.\n\t\t\tfor ( const range of ranges ) {\n\t\t\t\tfor ( const value of range ) {\n\t\t\t\t\tif ( this.checkAttribute( value.item, attribute ) ) {\n\t\t\t\t\t\t// If we found a node that is allowed to have the attribute, return true.\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// If we haven't found such node, return false.\n\t\treturn false;\n\t}\n\n\t/**\n\t * Transforms the given set of ranges into a set of ranges where the given attribute is allowed (and can be applied).\n\t *\n\t * @param {Array.<module:engine/model/range~Range>} ranges Ranges to be validated.\n\t * @param {String} attribute The name of the attribute to check.\n\t * @returns {Iterable.<module:engine/model/range~Range>} Ranges in which the attribute is allowed.\n\t */\n\t* getValidRanges( ranges, attribute ) {\n\t\tranges = convertToMinimalFlatRanges( ranges );\n\n\t\tfor ( const range of ranges ) {\n\t\t\tyield* this._getValidRangesForRange( range, attribute );\n\t\t}\n\t}\n\n\t/**\n\t * Basing on given `position`, finds and returns a {@link module:engine/model/range~Range range} which is\n\t * nearest to that `position` and is a correct range for selection.\n\t *\n\t * The correct selection range might be collapsed when it is located in a position where the text node can be placed.\n\t * Non-collapsed range is returned when selection can be placed around element marked as an \"object\" in\n\t * the {@link module:engine/model/schema~Schema schema}.\n\t *\n\t * Direction of searching for the nearest correct selection range can be specified as:\n\t *\n\t * * `both` - searching will be performed in both ways,\n\t * * `forward` - searching will be performed only forward,\n\t * * `backward` - searching will be performed only backward.\n\t *\n\t * When valid selection range cannot be found, `null` is returned.\n\t *\n\t * @param {module:engine/model/position~Position} position Reference position where new selection range should be looked for.\n\t * @param {'both'|'forward'|'backward'} [direction='both'] Search direction.\n\t * @returns {module:engine/model/range~Range|null} Nearest selection range or `null` if one cannot be found.\n\t */\n\tgetNearestSelectionRange( position, direction = 'both' ) {\n\t\t// Return collapsed range if provided position is valid.\n\t\tif ( this.checkChild( position, '$text' ) ) {\n\t\t\treturn new Range( position );\n\t\t}\n\n\t\tlet backwardWalker, forwardWalker;\n\n\t\t// Never leave a limit element.\n\t\tconst limitElement = position.getAncestors().reverse().find( item => this.isLimit( item ) ) || position.root;\n\n\t\tif ( direction == 'both' || direction == 'backward' ) {\n\t\t\tbackwardWalker = new TreeWalker( {\n\t\t\t\tboundaries: Range._createIn( limitElement ),\n\t\t\t\tstartPosition: position,\n\t\t\t\tdirection: 'backward'\n\t\t\t} );\n\t\t}\n\n\t\tif ( direction == 'both' || direction == 'forward' ) {\n\t\t\tforwardWalker = new TreeWalker( {\n\t\t\t\tboundaries: Range._createIn( limitElement ),\n\t\t\t\tstartPosition: position\n\t\t\t} );\n\t\t}\n\n\t\tfor ( const data of combineWalkers( backwardWalker, forwardWalker ) ) {\n\t\t\tconst type = ( data.walker == backwardWalker ? 'elementEnd' : 'elementStart' );\n\t\t\tconst value = data.value;\n\n\t\t\tif ( value.type == type && this.isObject( value.item ) ) {\n\t\t\t\treturn Range._createOn( value.item );\n\t\t\t}\n\n\t\t\tif ( this.checkChild( value.nextPosition, '$text' ) ) {\n\t\t\t\treturn new Range( value.nextPosition );\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Tries to find position ancestors that allow to insert a given node.\n\t * It starts searching from the given position and goes node by node to the top of the model tree\n\t * as long as a {@link module:engine/model/schema~Schema#isLimit limit element}, an\n\t * {@link module:engine/model/schema~Schema#isObject object element} or a topmost ancestor is not reached.\n\t *\n\t * @param {module:engine/model/position~Position} position The position that the search will start from.\n\t * @param {module:engine/model/node~Node|String} node The node for which an allowed parent should be found or its name.\n\t * @returns {module:engine/model/element~Element|null} element Allowed parent or null if nothing was found.\n\t */\n\tfindAllowedParent( position, node ) {\n\t\tlet parent = position.parent;\n\n\t\twhile ( parent ) {\n\t\t\tif ( this.checkChild( parent, node ) ) {\n\t\t\t\treturn parent;\n\t\t\t}\n\n\t\t\t// Do not split limit elements.\n\t\t\tif ( this.isLimit( parent ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Removes attributes disallowed by the schema.\n\t *\n\t * @param {Iterable.<module:engine/model/node~Node>} nodes Nodes that will be filtered.\n\t * @param {module:engine/model/writer~Writer} writer\n\t */\n\tremoveDisallowedAttributes( nodes, writer ) {\n\t\tfor ( const node of nodes ) {\n\t\t\t// When node is a `Text` it has no children, so just filter it out.\n\t\t\tif ( node.is( '$text' ) ) {\n\t\t\t\tremoveDisallowedAttributeFromNode( this, node, writer );\n\t\t\t}\n\t\t\t// In a case of `Element` iterates through positions between nodes inside this element\n\t\t\t// and filter out node before the current position, or position parent when position\n\t\t\t// is at start of an element. Using positions prevent from omitting merged nodes\n\t\t\t// see https://github.com/ckeditor/ckeditor5-engine/issues/1789.\n\t\t\telse {\n\t\t\t\tconst rangeInNode = Range._createIn( node );\n\t\t\t\tconst positionsInRange = rangeInNode.getPositions();\n\n\t\t\t\tfor ( const position of positionsInRange ) {\n\t\t\t\t\tconst item = position.nodeBefore || position.parent;\n\n\t\t\t\t\tremoveDisallowedAttributeFromNode( this, item, writer );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Creates an instance of the schema context.\n\t *\n\t * @param {module:engine/model/schema~SchemaContextDefinition} context\n\t * @returns {module:engine/model/schema~SchemaContext}\n\t */\n\tcreateContext( context ) {\n\t\treturn new SchemaContext( context );\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_clearCache() {\n\t\tthis._compiledDefinitions = null;\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_compile() {\n\t\tconst compiledDefinitions = {};\n\t\tconst sourceRules = this._sourceDefinitions;\n\t\tconst itemNames = Object.keys( sourceRules );\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompiledDefinitions[ itemName ] = compileBaseItemRule( sourceRules[ itemName ], itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompileAllowChildren( compiledDefinitions, itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompileAllowContentOf( compiledDefinitions, itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompileAllowWhere( compiledDefinitions, itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcompileAllowAttributesOf( compiledDefinitions, itemName );\n\t\t\tcompileInheritPropertiesFrom( compiledDefinitions, itemName );\n\t\t}\n\n\t\tfor ( const itemName of itemNames ) {\n\t\t\tcleanUpAllowIn( compiledDefinitions, itemName );\n\t\t\tsetupAllowChildren( compiledDefinitions, itemName );\n\t\t\tcleanUpAllowAttributes( compiledDefinitions, itemName );\n\t\t}\n\n\t\tthis._compiledDefinitions = compiledDefinitions;\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/schema~SchemaCompiledItemDefinition} def\n\t * @param {module:engine/model/schema~SchemaContext} context\n\t * @param {Number} contextItemIndex\n\t */\n\t_checkContextMatch( def, context, contextItemIndex = context.length - 1 ) {\n\t\tconst contextItem = context.getItem( contextItemIndex );\n\n\t\tif ( def.allowIn.includes( contextItem.name ) ) {\n\t\t\tif ( contextItemIndex == 0 ) {\n\t\t\t\treturn true;\n\t\t\t} else {\n\t\t\t\tconst parentRule = this.getDefinition( contextItem );\n\n\t\t\t\treturn this._checkContextMatch( parentRule, context, contextItemIndex - 1 );\n\t\t\t}\n\t\t} else {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t/**\n\t * Takes a flat range and an attribute name. Traverses the range recursively and deeply to find and return all ranges\n\t * inside the given range on which the attribute can be applied.\n\t *\n\t * This is a helper function for {@link ~Schema#getValidRanges}.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range The range to process.\n\t * @param {String} attribute The name of the attribute to check.\n\t * @returns {Iterable.<module:engine/model/range~Range>} Ranges in which the attribute is allowed.\n\t */\n\t* _getValidRangesForRange( range, attribute ) {\n\t\tlet start = range.start;\n\t\tlet end = range.start;\n\n\t\tfor ( const item of range.getItems( { shallow: true } ) ) {\n\t\t\tif ( item.is( 'element' ) ) {\n\t\t\t\tyield* this._getValidRangesForRange( Range._createIn( item ), attribute );\n\t\t\t}\n\n\t\t\tif ( !this.checkAttribute( item, attribute ) ) {\n\t\t\t\tif ( !start.isEqual( end ) ) {\n\t\t\t\t\tyield new Range( start, end );\n\t\t\t\t}\n\n\t\t\t\tstart = Position._createAfter( item );\n\t\t\t}\n\n\t\t\tend = Position._createAfter( item );\n\t\t}\n\n\t\tif ( !start.isEqual( end ) ) {\n\t\t\tyield new Range( start, end );\n\t\t}\n\t}\n}\n\nmix( Schema, ObservableMixin );\n\n/**\n * Event fired when the {@link #checkChild} method is called. It allows plugging in\n * additional behavior, for example implementing rules which cannot be defined using the declarative\n * {@link module:engine/model/schema~SchemaItemDefinition} interface.\n *\n * **Note:** The {@link #addChildCheck} method is a more handy way to register callbacks. Internally,\n * it registers a listener to this event but comes with a simpler API and it is the recommended choice\n * in most of the cases.\n *\n * The {@link #checkChild} method fires an event because it is\n * {@link module:utils/observablemixin~ObservableMixin#decorate decorated} with it. Thanks to that you can\n * use this event in various ways, but the most important use case is overriding standard behavior of the\n * `checkChild()` method. Let's see a typical listener template:\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst childDefinition = args[ 1 ];\n *\t\t}, { priority: 'high' } );\n *\n * The listener is added with a `high` priority to be executed before the default method is really called. The `args` callback\n * parameter contains arguments passed to `checkChild( context, child )`. However, the `context` parameter is already\n * normalized to a {@link module:engine/model/schema~SchemaContext} instance and `child` to a\n * {@link module:engine/model/schema~SchemaCompiledItemDefinition} instance, so you do not have to worry about\n * the various ways how `context` and `child` may be passed to `checkChild()`.\n *\n * **Note:** `childDefinition` may be `undefined` if `checkChild()` was called with a non-registered element.\n *\n * So, in order to implement a rule \"disallow `heading1` in `blockQuote`\", you can add such a listener:\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst childDefinition = args[ 1 ];\n *\n *\t\t\tif ( context.endsWith( 'blockQuote' ) && childDefinition && childDefinition.name == 'heading1' ) {\n *\t\t\t\t// Prevent next listeners from being called.\n *\t\t\t\tevt.stop();\n *\t\t\t\t// Set the checkChild()'s return value.\n *\t\t\t\tevt.return = false;\n *\t\t\t}\n *\t\t}, { priority: 'high' } );\n *\n * Allowing elements in specific contexts will be a far less common use case, because it is normally handled by the\n * `allowIn` rule from {@link module:engine/model/schema~SchemaItemDefinition}. But if you have a complex scenario\n * where `listItem` should be allowed only in element `foo` which must be in element `bar`, then this would be the way:\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst childDefinition = args[ 1 ];\n *\n *\t\t\tif ( context.endsWith( 'bar foo' ) && childDefinition.name == 'listItem' ) {\n *\t\t\t\t// Prevent next listeners from being called.\n *\t\t\t\tevt.stop();\n *\t\t\t\t// Set the checkChild()'s return value.\n *\t\t\t\tevt.return = true;\n *\t\t\t}\n *\t\t}, { priority: 'high' } );\n *\n * @event checkChild\n * @param {Array} args The `checkChild()`'s arguments.\n */\n\n/**\n * Event fired when the {@link #checkAttribute} method is called. It allows plugging in\n * additional behavior, for example implementing rules which cannot be defined using the declarative\n * {@link module:engine/model/schema~SchemaItemDefinition} interface.\n *\n * **Note:** The {@link #addAttributeCheck} method is a more handy way to register callbacks. Internally,\n * it registers a listener to this event but comes with a simpler API and it is the recommended choice\n * in most of the cases.\n *\n * The {@link #checkAttribute} method fires an event because it is\n * {@link module:utils/observablemixin~ObservableMixin#decorate decorated} with it. Thanks to that you can\n * use this event in various ways, but the most important use case is overriding the standard behavior of the\n * `checkAttribute()` method. Let's see a typical listener template:\n *\n *\t\tschema.on( 'checkAttribute', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst attributeName = args[ 1 ];\n *\t\t}, { priority: 'high' } );\n *\n * The listener is added with a `high` priority to be executed before the default method is really called. The `args` callback\n * parameter contains arguments passed to `checkAttribute( context, attributeName )`. However, the `context` parameter is already\n * normalized to a {@link module:engine/model/schema~SchemaContext} instance, so you do not have to worry about\n * the various ways how `context` may be passed to `checkAttribute()`.\n *\n * So, in order to implement a rule \"disallow `bold` in a text which is in a `heading1`, you can add such a listener:\n *\n *\t\tschema.on( 'checkAttribute', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst attributeName = args[ 1 ];\n *\n *\t\t\tif ( context.endsWith( 'heading1 $text' ) && attributeName == 'bold' ) {\n *\t\t\t\t// Prevent next listeners from being called.\n *\t\t\t\tevt.stop();\n *\t\t\t\t// Set the checkAttribute()'s return value.\n *\t\t\t\tevt.return = false;\n *\t\t\t}\n *\t\t}, { priority: 'high' } );\n *\n * Allowing attributes in specific contexts will be a far less common use case, because it is normally handled by the\n * `allowAttributes` rule from {@link module:engine/model/schema~SchemaItemDefinition}. But if you have a complex scenario\n * where `bold` should be allowed only in element `foo` which must be in element `bar`, then this would be the way:\n *\n *\t\tschema.on( 'checkAttribute', ( evt, args ) => {\n *\t\t\tconst context = args[ 0 ];\n *\t\t\tconst attributeName = args[ 1 ];\n *\n *\t\t\tif ( context.endsWith( 'bar foo $text' ) && attributeName == 'bold' ) {\n *\t\t\t\t// Prevent next listeners from being called.\n *\t\t\t\tevt.stop();\n *\t\t\t\t// Set the checkAttribute()'s return value.\n *\t\t\t\tevt.return = true;\n *\t\t\t}\n *\t\t}, { priority: 'high' } );\n *\n * @event checkAttribute\n * @param {Array} args The `checkAttribute()`'s arguments.\n */\n\n/**\n * A definition of a {@link module:engine/model/schema~Schema schema} item.\n *\n * You can define the following rules:\n *\n * * {@link ~SchemaItemDefinition#allowIn `allowIn`} &ndash; Defines in which other items this item will be allowed.\n * * {@link ~SchemaItemDefinition#allowChildren `allowChildren`} &ndash; Defines which other items are allowed inside this item.\n * * {@link ~SchemaItemDefinition#allowAttributes `allowAttributes`} &ndash; Defines allowed attributes of the given item.\n * * {@link ~SchemaItemDefinition#allowContentOf `allowContentOf`} &ndash; Inherits \"allowed children\" from other items.\n * * {@link ~SchemaItemDefinition#allowWhere `allowWhere`} &ndash; Inherits \"allowed in\" from other items.\n * * {@link ~SchemaItemDefinition#allowAttributesOf `allowAttributesOf`} &ndash; Inherits attributes from other items.\n * * {@link ~SchemaItemDefinition#inheritTypesFrom `inheritTypesFrom`} &ndash; Inherits `is*` properties of other items.\n * * {@link ~SchemaItemDefinition#inheritAllFrom `inheritAllFrom`} &ndash;\n * A shorthand for `allowContentOf`, `allowWhere`, `allowAttributesOf`, `inheritTypesFrom`.\n *\n * # The `is*` properties\n *\n * There are a couple commonly used `is*` properties. Their role is to assign additional semantics to schema items.\n * You can define more properties but you will also need to implement support for them in the existing editor features.\n *\n * * {@link ~SchemaItemDefinition#isBlock `isBlock`} &ndash; Whether this item is paragraph-like.\n * Generally speaking, content is usually made out of blocks like paragraphs, list items, images, headings, etc.\n * * {@link ~SchemaItemDefinition#isInline `isInline`} &ndash; Whether an item is \"text-like\" and should be treated as an inline node.\n * Examples of inline elements: `$text`, `softBreak` (`<br>`), etc.\n * * {@link ~SchemaItemDefinition#isLimit `isLimit`} &ndash; It can be understood as whether this element\n * should not be split by <kbd>Enter</kbd>. Examples of limit elements: `$root`, table cell, image caption, etc.\n * In other words, all actions that happen inside a limit element are limited to its content.\n * All objects are treated as limit elements, too.\n * * {@link ~SchemaItemDefinition#isObject `isObject`} &ndash; Whether an item is \"self-contained\" and should be treated as a whole.\n * Examples of object elements: `imageBlock`, `table`, `video`, etc. An object is also a limit, so\n * {@link module:engine/model/schema~Schema#isLimit `isLimit()`} returns `true` for object elements automatically.\n *\n * Read more about the meaning of these types in the\n * {@glink framework/guides/deep-dive/schema#defining-additional-semantics dedicated section of the Schema deep dive} guide.\n *\n * # Generic items\n *\n * There are three basic generic items: `$root`, `$block` and `$text`.\n * They are defined as follows:\n *\n *\t\tthis.schema.register( '$root', {\n *\t\t\tisLimit: true\n *\t\t} );\n *\t\tthis.schema.register( '$block', {\n *\t\t\tallowIn: '$root',\n *\t\t\tisBlock: true\n *\t\t} );\n *\t\tthis.schema.register( '$text', {\n *\t\t\tallowIn: '$block',\n *\t\t\tisInline: true\n *\t\t} );\n *\n * They reflect typical editor content that is contained within one root, consists of several blocks\n * (paragraphs, lists items, headings, images) which, in turn, may contain text inside.\n *\n * By inheriting from the generic items you can define new items which will get extended by other editor features.\n * Read more about generic types in the {@glink framework/guides/deep-dive/schema Schema deep dive} guide.\n *\n * # Example definitions\n *\n * Allow `paragraph` in roots and block quotes:\n *\n *\t\tschema.register( 'paragraph', {\n *\t\t\tallowIn: [ '$root', 'blockQuote' ],\n *\t\t\tisBlock: true\n *\t\t} );\n *\n * Allow `paragraph` everywhere where `$block` is allowed (i.e. in `$root`):\n *\n *\t\tschema.register( 'paragraph', {\n *\t\t\tallowWhere: '$block',\n *\t\t\tisBlock: true\n *\t\t} );\n *\n * Allow `paragraph` inside a `$root` and allow `$text` as a `paragraph` child:\n *\n *\t\tschema.register( 'paragraph', {\n *\t\t\tallowIn: '$root',\n *\t\t\tallowChildren: '$text',\n *\t\t\tisBlock: true\n *\t\t} );\n *\n * Make `imageBlock` a block object, which is allowed everywhere where `$block` is.\n * Also, allow `src` and `alt` attributes in it:\n *\n *\t\tschema.register( 'imageBlock', {\n *\t\t\tallowWhere: '$block',\n *\t\t\tallowAttributes: [ 'src', 'alt' ],\n *\t\t\tisBlock: true,\n *\t\t\tisObject: true\n *\t\t} );\n *\n * Make `caption` allowed in `imageBlock` and make it allow all the content of `$block`s (usually, `$text`).\n * Also, mark it as a limit element so it cannot be split:\n *\n *\t\tschema.register( 'caption', {\n *\t\t\tallowIn: 'imageBlock',\n *\t\t\tallowContentOf: '$block',\n *\t\t\tisLimit: true\n *\t\t} );\n *\n * Make `listItem` inherit all from `$block` but also allow additional attributes:\n *\n *\t\tschema.register( 'listItem', {\n *\t\t\tinheritAllFrom: '$block',\n *\t\t\tallowAttributes: [ 'listType', 'listIndent' ]\n *\t\t} );\n *\n * Which translates to:\n *\n *\t\tschema.register( 'listItem', {\n *\t\t\tallowWhere: '$block',\n *\t\t\tallowContentOf: '$block',\n *\t\t\tallowAttributesOf: '$block',\n *\t\t\tinheritTypesFrom: '$block',\n *\t\t\tallowAttributes: [ 'listType', 'listIndent' ]\n *\t\t} );\n *\n * # Tips\n *\n * * Check schema definitions of existing features to see how they are defined.\n * * If you want to publish your feature so other developers can use it, try to use\n * generic items as much as possible.\n * * Keep your model clean. Limit it to the actual data and store information in a normalized way.\n * * Remember about defining the `is*` properties. They do not affect the allowed structures, but they can\n * affect how the editor features treat your elements.\n *\n * @typedef {Object} module:engine/model/schema~SchemaItemDefinition\n *\n * @property {String|Array.<String>} allowIn Defines in which other items this item will be allowed.\n * @property {String|Array.<String>} allowChildren Defines which other items are allowed inside this item.\n * @property {String|Array.<String>} allowAttributes Defines allowed attributes of the given item.\n * @property {String|Array.<String>} allowContentOf Inherits \"allowed children\" from other items.\n * @property {String|Array.<String>} allowWhere Inherits \"allowed in\" from other items.\n * @property {String|Array.<String>} allowAttributesOf Inherits attributes from other items.\n * @property {String|Array.<String>} inheritTypesFrom Inherits `is*` properties of other items.\n * @property {String} inheritAllFrom A shorthand for `allowContentOf`, `allowWhere`, `allowAttributesOf`, `inheritTypesFrom`.\n *\n * @property {Boolean} isBlock\n * Whether this item is paragraph-like. Generally speaking, content is usually made out of blocks\n * like paragraphs, list items, images, headings, etc. All these elements are marked as blocks. A block\n * should not allow another block inside. Note: There is also the `$block` generic item which has `isBlock` set to `true`.\n * Most block type items will inherit from `$block` (through `inheritAllFrom`).\n *\n * Read more about the block elements in the\n * {@glink framework/guides/deep-dive/schema#block-elements Block elements section} of\n * the {@glink framework/guides/deep-dive/schema Schema deep dive}.\n *\n * @property {Boolean} isInline\n * Whether an item is \"text-like\" and should be treated as an inline node. Examples of inline elements:\n * `$text`, `softBreak` (`<br>`), etc.\n *\n * Read more about the inline elements in the\n * {@glink framework/guides/deep-dive/schema#inline-elements Inline elements section} of the Schema deep dive guide.\n *\n * @property {Boolean} isLimit\n * It can be understood as whether this element should not be split by <kbd>Enter</kbd>.\n * Examples of limit elements: `$root`, table cell, image caption, etc. In other words, all actions that happen inside\n * a limit element are limited to its content.\n *\n * Read more about the limit elements in the\n * {@glink framework/guides/deep-dive/schema#limit-elements Limit elements section} of\n * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide.\n *\n * @property {Boolean} isObject\n * Whether an item is \"self-contained\" and should be treated as a whole. Examples of object elements:\n * `imageBlock`, `table`, `video`, etc.\n *\n * **Note:** An object is also a limit, so\n * {@link module:engine/model/schema~Schema#isLimit `isLimit()`} returns `true` for object elements automatically.\n *\n * Read more about the object elements in the\n * {@glink framework/guides/deep-dive/schema#object-elements Object elements section} of the Schema deep dive guide.\n *\n * @property {Boolean} isSelectable\n * `true` when an element should be selectable as a whole by the user. Examples of selectable elements: `imageBlock`, `table`, `tableCell`,\n * etc.\n *\n * **Note:** An object is also a selectable element, so\n * {@link module:engine/model/schema~Schema#isSelectable `isSelectable()`} returns `true` for object elements automatically.\n *\n * Read more about selectable elements in the\n * {@glink framework/guides/deep-dive/schema#selectable-elements Selectable elements section} of\n * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide.\n *\n * @property {Boolean} isContent\n * An item is a content when it always finds its way to the editor data output regardless of the number and type of its descendants.\n * Examples of content elements: `$text`, `imageBlock`, `table`, etc. (but not `paragraph`, `heading1` or `tableCell`).\n *\n * **Note:** An object is also a content element, so\n * {@link module:engine/model/schema~Schema#isContent `isContent()`} returns `true` for object elements automatically.\n *\n * Read more about content elements in the\n * {@glink framework/guides/deep-dive/schema#content-elements Content elements section} of\n * the {@glink framework/guides/deep-dive/schema Schema deep dive} guide.\n */\n\n/**\n * A simplified version of {@link module:engine/model/schema~SchemaItemDefinition} after\n * compilation by the {@link module:engine/model/schema~Schema schema}.\n * Rules fed to the schema by {@link module:engine/model/schema~Schema#register}\n * and {@link module:engine/model/schema~Schema#extend} methods are defined in the\n * {@link module:engine/model/schema~SchemaItemDefinition} format.\n * Later on, they are compiled to `SchemaCompiledItemDefinition` so when you use e.g.\n * the {@link module:engine/model/schema~Schema#getDefinition} method you get the compiled version.\n *\n * The compiled version contains only the following properties:\n *\n * * The `name` property,\n * * The `is*` properties,\n * * The `allowIn` array,\n * * The `allowChildren` array,\n * * The `allowAttributes` array.\n *\n * @typedef {Object} module:engine/model/schema~SchemaCompiledItemDefinition\n */\n\n/**\n * A schema context &mdash; a list of ancestors of a given position in the document.\n *\n * Considering such position:\n *\n *\t\t<$root>\n *\t\t\t<blockQuote>\n *\t\t\t\t<paragraph>\n *\t\t\t\t\t^\n *\t\t\t\t</paragraph>\n *\t\t\t</blockQuote>\n *\t\t</$root>\n *\n * The context of this position is its {@link module:engine/model/position~Position#getAncestors lists of ancestors}:\n *\n *\t\t[ rootElement, blockQuoteElement, paragraphElement ]\n *\n * Contexts are used in the {@link module:engine/model/schema~Schema#event:checkChild `Schema#checkChild`} and\n * {@link module:engine/model/schema~Schema#event:checkAttribute `Schema#checkAttribute`} events as a definition\n * of a place in the document where the check occurs. The context instances are created based on the first arguments\n * of the {@link module:engine/model/schema~Schema#checkChild `Schema#checkChild()`} and\n * {@link module:engine/model/schema~Schema#checkAttribute `Schema#checkAttribute()`} methods so when\n * using these methods you need to use {@link module:engine/model/schema~SchemaContextDefinition}s.\n */\nexport class SchemaContext {\n\t/**\n\t * Creates an instance of the context.\n\t *\n\t * @param {module:engine/model/schema~SchemaContextDefinition} context\n\t */\n\tconstructor( context ) {\n\t\tif ( context instanceof SchemaContext ) {\n\t\t\treturn context;\n\t\t}\n\n\t\tif ( typeof context == 'string' ) {\n\t\t\tcontext = [ context ];\n\t\t} else if ( !Array.isArray( context ) ) {\n\t\t\t// `context` is item or position.\n\t\t\t// Position#getAncestors() doesn't accept any parameters but it works just fine here.\n\t\t\tcontext = context.getAncestors( { includeSelf: true } );\n\t\t}\n\n\t\tthis._items = context.map( mapContextItem );\n\t}\n\n\t/**\n\t * The number of items.\n\t *\n\t * @type {Number}\n\t */\n\tget length() {\n\t\treturn this._items.length;\n\t}\n\n\t/**\n\t * The last item (the lowest node).\n\t *\n\t * @type {module:engine/model/schema~SchemaContextItem}\n\t */\n\tget last() {\n\t\treturn this._items[ this._items.length - 1 ];\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all context items.\n\t *\n\t * @returns {Iterable.<module:engine/model/schema~SchemaContextItem>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._items[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Returns a new schema context instance with an additional item.\n\t *\n\t * Item can be added as:\n\t *\n\t * \t\tconst context = new SchemaContext( [ '$root' ] );\n\t *\n\t * \t\t// An element.\n\t * \t\tconst fooElement = writer.createElement( 'fooElement' );\n\t * \t\tconst newContext = context.push( fooElement ); // [ '$root', 'fooElement' ]\n\t *\n\t * \t\t// A text node.\n\t * \t\tconst text = writer.createText( 'foobar' );\n\t * \t\tconst newContext = context.push( text ); // [ '$root', '$text' ]\n\t *\n\t * \t\t// A string (element name).\n\t * \t\tconst newContext = context.push( 'barElement' ); // [ '$root', 'barElement' ]\n\t *\n\t * **Note** {@link module:engine/model/node~Node} that is already in the model tree will be added as the only item\n\t * (without ancestors).\n\t *\n\t * @param {String|module:engine/model/node~Node|Array<String|module:engine/model/node~Node>} item An item that will be added\n\t * to the current context.\n\t * @returns {module:engine/model/schema~SchemaContext} A new schema context instance with an additional item.\n\t */\n\tpush( item ) {\n\t\tconst ctx = new SchemaContext( [ item ] );\n\n\t\tctx._items = [ ...this._items, ...ctx._items ];\n\n\t\treturn ctx;\n\t}\n\n\t/**\n\t * Gets an item on the given index.\n\t *\n\t * @returns {module:engine/model/schema~SchemaContextItem}\n\t */\n\tgetItem( index ) {\n\t\treturn this._items[ index ];\n\t}\n\n\t/**\n\t * Returns the names of items.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\t* getNames() {\n\t\tyield* this._items.map( item => item.name );\n\t}\n\n\t/**\n\t * Checks whether the context ends with the given nodes.\n\t *\n\t *\t\tconst ctx = new SchemaContext( [ rootElement, paragraphElement, textNode ] );\n\t *\n\t *\t\tctx.endsWith( '$text' ); // -> true\n\t *\t\tctx.endsWith( 'paragraph $text' ); // -> true\n\t *\t\tctx.endsWith( '$root' ); // -> false\n\t *\t\tctx.endsWith( 'paragraph' ); // -> false\n\t *\n\t * @param {String} query\n\t * @returns {Boolean}\n\t */\n\tendsWith( query ) {\n\t\treturn Array.from( this.getNames() ).join( ' ' ).endsWith( query );\n\t}\n\n\t/**\n\t * Checks whether the context starts with the given nodes.\n\t *\n\t *\t\tconst ctx = new SchemaContext( [ rootElement, paragraphElement, textNode ] );\n\t *\n\t *\t\tctx.endsWith( '$root' ); // -> true\n\t *\t\tctx.endsWith( '$root paragraph' ); // -> true\n\t *\t\tctx.endsWith( '$text' ); // -> false\n\t *\t\tctx.endsWith( 'paragraph' ); // -> false\n\t *\n\t * @param {String} query\n\t * @returns {Boolean}\n\t */\n\tstartsWith( query ) {\n\t\treturn Array.from( this.getNames() ).join( ' ' ).startsWith( query );\n\t}\n}\n\n/**\n * The definition of a {@link module:engine/model/schema~SchemaContext schema context}.\n *\n * Contexts can be created in multiple ways:\n *\n * * By defining a **node** – in this cases this node and all its ancestors will be used.\n * * By defining a **position** in the document – in this case all its ancestors will be used.\n * * By defining an **array of nodes** – in this case this array defines the entire context.\n * * By defining a **name of node** - in this case node will be \"mocked\". It is not recommended because context\n * will be unrealistic (e.g. attributes of these nodes are not specified). However, at times this may be the only\n * way to define the context (e.g. when checking some hypothetical situation).\n * * By defining an **array of node names** (potentially, mixed with real nodes) – The same as **name of node**\n * but it is possible to create a path.\n * * By defining a {@link module:engine/model/schema~SchemaContext} instance - in this case the same instance as provided\n * will be return.\n *\n * Examples of context definitions passed to the {@link module:engine/model/schema~Schema#checkChild `Schema#checkChild()`}\n * method:\n *\n *\t\t// Assuming that we have a $root > blockQuote > paragraph structure, the following code\n *\t\t// will check node 'foo' in the following context:\n *\t\t// [ rootElement, blockQuoteElement, paragraphElement ]\n *\t\tconst contextDefinition = paragraphElement;\n * \t\tconst childToCheck = 'foo';\n *\t\tschema.checkChild( contextDefinition, childToCheck );\n *\n *\t\t// Also check in [ rootElement, blockQuoteElement, paragraphElement ].\n *\t\tschema.checkChild( model.createPositionAt( paragraphElement, 0 ), 'foo' );\n *\n *\t\t// Check in [ rootElement, paragraphElement ].\n *\t\tschema.checkChild( [ rootElement, paragraphElement ], 'foo' );\n *\n *\t\t// Check only fakeParagraphElement.\n *\t\tschema.checkChild( 'paragraph', 'foo' );\n *\n *\t\t// Check in [ fakeRootElement, fakeBarElement, paragraphElement ].\n *\t\tschema.checkChild( [ '$root', 'bar', paragraphElement ], 'foo' );\n *\n * All these `checkChild()` calls will fire {@link module:engine/model/schema~Schema#event:checkChild `Schema#checkChild`}\n * events in which `args[ 0 ]` is an instance of the context. Therefore, you can write a listener like this:\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst ctx = args[ 0 ];\n *\n *\t\t\tconsole.log( Array.from( ctx.getNames() ) );\n *\t\t} );\n *\n * Which will log the following:\n *\n *\t\t[ '$root', 'blockQuote', 'paragraph' ]\n *\t\t[ '$root', 'paragraph' ]\n *\t\t[ '$root', 'bar', 'paragraph' ]\n *\n * Note: When using the {@link module:engine/model/schema~Schema#checkAttribute `Schema#checkAttribute()`} method\n * you may want to check whether a text node may have an attribute. A {@link module:engine/model/text~Text} is a\n * correct way to define a context so you can do this:\n *\n *\t\tschema.checkAttribute( textNode, 'bold' );\n *\n * But sometimes you want to check whether a text at a given position might've had some attribute,\n * in which case you can create a context by mixing in an array of elements with a `'$text'` string:\n *\n *\t\t// Check in [ rootElement, paragraphElement, textNode ].\n *\t\tschema.checkChild( [ ...positionInParagraph.getAncestors(), '$text' ], 'bold' );\n *\n * @typedef {module:engine/model/node~Node|module:engine/model/position~Position|module:engine/model/schema~SchemaContext|\n * String|Array.<String|module:engine/model/node~Node>} module:engine/model/schema~SchemaContextDefinition\n */\n\n/**\n * An item of the {@link module:engine/model/schema~SchemaContext schema context}.\n *\n * It contains 3 properties:\n *\n * * `name` – the name of this item,\n * * `* getAttributeKeys()` – a generator of keys of item attributes,\n * * `getAttribute( keyName )` – a method to get attribute values.\n *\n * The context item interface is a highly simplified version of {@link module:engine/model/node~Node} and its role\n * is to expose only the information which schema checks are able to provide (which is the name of the node and\n * node's attributes).\n *\n *\t\tschema.on( 'checkChild', ( evt, args ) => {\n *\t\t\tconst ctx = args[ 0 ];\n *\t\t\tconst firstItem = ctx.getItem( 0 );\n *\n *\t\t\tconsole.log( firstItem.name ); // -> '$root'\n *\t\t\tconsole.log( firstItem.getAttribute( 'foo' ) ); // -> 'bar'\n *\t\t\tconsole.log( Array.from( firstItem.getAttributeKeys() ) ); // -> [ 'foo', 'faa' ]\n *\t\t} );\n *\n * @typedef {Object} module:engine/model/schema~SchemaContextItem\n */\n\n/**\n * A structure containing additional metadata describing the attribute.\n *\n * See {@link module:engine/model/schema~Schema#setAttributeProperties `Schema#setAttributeProperties()`} for usage examples.\n *\n * @typedef {Object} module:engine/model/schema~AttributeProperties\n * @property {Boolean} [isFormatting] Indicates that the attribute should be considered as a visual formatting, like `bold`, `italic` or\n * `fontSize` rather than semantic attribute (such as `src`, `listType`, etc.). For example, it is used by the \"Remove format\" feature.\n * @property {Boolean} [copyOnEnter] Indicates that given text attribute should be copied to the next block when enter is pressed.\n */\n\nfunction compileBaseItemRule( sourceItemRules, itemName ) {\n\tconst itemRule = {\n\t\tname: itemName,\n\n\t\tallowIn: [],\n\t\tallowContentOf: [],\n\t\tallowWhere: [],\n\n\t\tallowAttributes: [],\n\t\tallowAttributesOf: [],\n\n\t\tallowChildren: [],\n\n\t\tinheritTypesFrom: []\n\t};\n\n\tcopyTypes( sourceItemRules, itemRule );\n\n\tcopyProperty( sourceItemRules, itemRule, 'allowIn' );\n\tcopyProperty( sourceItemRules, itemRule, 'allowContentOf' );\n\tcopyProperty( sourceItemRules, itemRule, 'allowWhere' );\n\n\tcopyProperty( sourceItemRules, itemRule, 'allowAttributes' );\n\tcopyProperty( sourceItemRules, itemRule, 'allowAttributesOf' );\n\n\tcopyProperty( sourceItemRules, itemRule, 'allowChildren' );\n\n\tcopyProperty( sourceItemRules, itemRule, 'inheritTypesFrom' );\n\n\tmakeInheritAllWork( sourceItemRules, itemRule );\n\n\treturn itemRule;\n}\n\nfunction compileAllowChildren( compiledDefinitions, itemName ) {\n\tconst item = compiledDefinitions[ itemName ];\n\n\tfor ( const allowChildrenItem of item.allowChildren ) {\n\t\tconst allowedChildren = compiledDefinitions[ allowChildrenItem ];\n\n\t\t// The allowChildren property may point to an unregistered element.\n\t\tif ( !allowedChildren ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tallowedChildren.allowIn.push( itemName );\n\t}\n\n\t// The allowIn property already includes correct items, reset the allowChildren property\n\t// to avoid duplicates later when setting up compilation results.\n\titem.allowChildren.length = 0;\n}\n\nfunction compileAllowContentOf( compiledDefinitions, itemName ) {\n\tfor ( const allowContentOfItemName of compiledDefinitions[ itemName ].allowContentOf ) {\n\t\t// The allowContentOf property may point to an unregistered element.\n\t\tif ( compiledDefinitions[ allowContentOfItemName ] ) {\n\t\t\tconst allowedChildren = getAllowedChildren( compiledDefinitions, allowContentOfItemName );\n\n\t\t\tallowedChildren.forEach( allowedItem => {\n\t\t\t\tallowedItem.allowIn.push( itemName );\n\t\t\t} );\n\t\t}\n\t}\n\n\tdelete compiledDefinitions[ itemName ].allowContentOf;\n}\n\nfunction compileAllowWhere( compiledDefinitions, itemName ) {\n\tfor ( const allowWhereItemName of compiledDefinitions[ itemName ].allowWhere ) {\n\t\tconst inheritFrom = compiledDefinitions[ allowWhereItemName ];\n\n\t\t// The allowWhere property may point to an unregistered element.\n\t\tif ( inheritFrom ) {\n\t\t\tconst allowedIn = inheritFrom.allowIn;\n\n\t\t\tcompiledDefinitions[ itemName ].allowIn.push( ...allowedIn );\n\t\t}\n\t}\n\n\tdelete compiledDefinitions[ itemName ].allowWhere;\n}\n\nfunction compileAllowAttributesOf( compiledDefinitions, itemName ) {\n\tfor ( const allowAttributeOfItem of compiledDefinitions[ itemName ].allowAttributesOf ) {\n\t\tconst inheritFrom = compiledDefinitions[ allowAttributeOfItem ];\n\n\t\tif ( inheritFrom ) {\n\t\t\tconst inheritAttributes = inheritFrom.allowAttributes;\n\n\t\t\tcompiledDefinitions[ itemName ].allowAttributes.push( ...inheritAttributes );\n\t\t}\n\t}\n\n\tdelete compiledDefinitions[ itemName ].allowAttributesOf;\n}\n\nfunction compileInheritPropertiesFrom( compiledDefinitions, itemName ) {\n\tconst item = compiledDefinitions[ itemName ];\n\n\tfor ( const inheritPropertiesOfItem of item.inheritTypesFrom ) {\n\t\tconst inheritFrom = compiledDefinitions[ inheritPropertiesOfItem ];\n\n\t\tif ( inheritFrom ) {\n\t\t\tconst typeNames = Object.keys( inheritFrom ).filter( name => name.startsWith( 'is' ) );\n\n\t\t\tfor ( const name of typeNames ) {\n\t\t\t\tif ( !( name in item ) ) {\n\t\t\t\t\titem[ name ] = inheritFrom[ name ];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tdelete item.inheritTypesFrom;\n}\n\n// Remove items which weren't registered (because it may break some checks or we'd need to complicate them).\n// Make sure allowIn doesn't contain repeated values.\nfunction cleanUpAllowIn( compiledDefinitions, itemName ) {\n\tconst itemRule = compiledDefinitions[ itemName ];\n\tconst existingItems = itemRule.allowIn.filter( itemToCheck => compiledDefinitions[ itemToCheck ] );\n\n\titemRule.allowIn = Array.from( new Set( existingItems ) );\n}\n\n// Setup allowChildren items based on allowIn.\nfunction setupAllowChildren( compiledDefinitions, itemName ) {\n\tconst itemRule = compiledDefinitions[ itemName ];\n\n\tfor ( const allowedParentItemName of itemRule.allowIn ) {\n\t\tconst allowedParentItem = compiledDefinitions[ allowedParentItemName ];\n\n\t\tallowedParentItem.allowChildren.push( itemName );\n\t}\n}\n\nfunction cleanUpAllowAttributes( compiledDefinitions, itemName ) {\n\tconst itemRule = compiledDefinitions[ itemName ];\n\n\titemRule.allowAttributes = Array.from( new Set( itemRule.allowAttributes ) );\n}\n\nfunction copyTypes( sourceItemRules, itemRule ) {\n\tfor ( const sourceItemRule of sourceItemRules ) {\n\t\tconst typeNames = Object.keys( sourceItemRule ).filter( name => name.startsWith( 'is' ) );\n\n\t\tfor ( const name of typeNames ) {\n\t\t\titemRule[ name ] = sourceItemRule[ name ];\n\t\t}\n\t}\n}\n\nfunction copyProperty( sourceItemRules, itemRule, propertyName ) {\n\tfor ( const sourceItemRule of sourceItemRules ) {\n\t\tif ( typeof sourceItemRule[ propertyName ] == 'string' ) {\n\t\t\titemRule[ propertyName ].push( sourceItemRule[ propertyName ] );\n\t\t} else if ( Array.isArray( sourceItemRule[ propertyName ] ) ) {\n\t\t\titemRule[ propertyName ].push( ...sourceItemRule[ propertyName ] );\n\t\t}\n\t}\n}\n\nfunction makeInheritAllWork( sourceItemRules, itemRule ) {\n\tfor ( const sourceItemRule of sourceItemRules ) {\n\t\tconst inheritFrom = sourceItemRule.inheritAllFrom;\n\n\t\tif ( inheritFrom ) {\n\t\t\titemRule.allowContentOf.push( inheritFrom );\n\t\t\titemRule.allowWhere.push( inheritFrom );\n\t\t\titemRule.allowAttributesOf.push( inheritFrom );\n\t\t\titemRule.inheritTypesFrom.push( inheritFrom );\n\t\t}\n\t}\n}\n\nfunction getAllowedChildren( compiledDefinitions, itemName ) {\n\tconst itemRule = compiledDefinitions[ itemName ];\n\n\treturn getValues( compiledDefinitions ).filter( def => def.allowIn.includes( itemRule.name ) );\n}\n\nfunction getValues( obj ) {\n\treturn Object.keys( obj ).map( key => obj[ key ] );\n}\n\nfunction mapContextItem( ctxItem ) {\n\tif ( typeof ctxItem == 'string' || ctxItem.is( 'documentFragment' ) ) {\n\t\treturn {\n\t\t\tname: typeof ctxItem == 'string' ? ctxItem : '$documentFragment',\n\n\t\t\t* getAttributeKeys() {},\n\n\t\t\tgetAttribute() {}\n\t\t};\n\t} else {\n\t\treturn {\n\t\t\t// '$text' means text nodes and text proxies.\n\t\t\tname: ctxItem.is( 'element' ) ? ctxItem.name : '$text',\n\n\t\t\t* getAttributeKeys() {\n\t\t\t\tyield* ctxItem.getAttributeKeys();\n\t\t\t},\n\n\t\t\tgetAttribute( key ) {\n\t\t\t\treturn ctxItem.getAttribute( key );\n\t\t\t}\n\t\t};\n\t}\n}\n\n// Generator function returning values from provided walkers, switching between them at each iteration. If only one walker\n// is provided it will return data only from that walker.\n//\n// @param {module:engine/module/treewalker~TreeWalker} [backward] Walker iterating in backward direction.\n// @param {module:engine/module/treewalker~TreeWalker} [forward] Walker iterating in forward direction.\n// @returns {Iterable.<Object>} Object returned at each iteration contains `value` and `walker` (informing which walker returned\n// given value) fields.\nfunction* combineWalkers( backward, forward ) {\n\tlet done = false;\n\n\twhile ( !done ) {\n\t\tdone = true;\n\n\t\tif ( backward ) {\n\t\t\tconst step = backward.next();\n\n\t\t\tif ( !step.done ) {\n\t\t\t\tdone = false;\n\t\t\t\tyield {\n\t\t\t\t\twalker: backward,\n\t\t\t\t\tvalue: step.value\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\n\t\tif ( forward ) {\n\t\t\tconst step = forward.next();\n\n\t\t\tif ( !step.done ) {\n\t\t\t\tdone = false;\n\t\t\t\tyield {\n\t\t\t\t\twalker: forward,\n\t\t\t\t\tvalue: step.value\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Takes an array of non-intersecting ranges. For each of them gets minimal flat ranges covering that range and returns\n// all those minimal flat ranges.\n//\n// @param {Array.<module:engine/model/range~Range>} ranges Ranges to process.\n// @returns {Iterable.<module:engine/model/range~Range>} Minimal flat ranges of given `ranges`.\nfunction* convertToMinimalFlatRanges( ranges ) {\n\tfor ( const range of ranges ) {\n\t\tyield* range.getMinimalFlatRanges();\n\t}\n}\n\nfunction removeDisallowedAttributeFromNode( schema, node, writer ) {\n\tfor ( const attribute of node.getAttributeKeys() ) {\n\t\tif ( !schema.checkAttribute( node, attribute ) ) {\n\t\t\twriter.removeAttribute( attribute, node );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/upcastdispatcher\n */\n\nimport ViewConsumable from './viewconsumable';\nimport ModelRange from '../model/range';\nimport ModelPosition from '../model/position';\nimport { SchemaContext } from '../model/schema';\nimport { isParagraphable, wrapInParagraph } from '../model/utils/autoparagraphing';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Upcast dispatcher is a central point of the view-to-model conversion, which is a process of\n * converting a given {@link module:engine/view/documentfragment~DocumentFragment view document fragment} or\n * {@link module:engine/view/element~Element view element} into a correct model structure.\n *\n * During the conversion process, the dispatcher fires events for all {@link module:engine/view/node~Node view nodes}\n * from the converted view document fragment.\n * Special callbacks called \"converters\" should listen to these events in order to convert the view nodes.\n *\n * The second parameter of the callback is the `data` object with the following properties:\n *\n * * `data.viewItem` contains a {@link module:engine/view/node~Node view node} or a\n * {@link module:engine/view/documentfragment~DocumentFragment view document fragment}\n * that is converted at the moment and might be handled by the callback.\n * * `data.modelRange` is used to point to the result\n * of the current conversion (e.g. the element that is being inserted)\n * and is always a {@link module:engine/model/range~Range} when the conversion succeeds.\n * * `data.modelCursor` is a {@link module:engine/model/position~Position position} on which the converter should insert\n * the newly created items.\n *\n * The third parameter of the callback is an instance of {@link module:engine/conversion/upcastdispatcher~UpcastConversionApi}\n * which provides additional tools for converters.\n *\n * You can read more about conversion in the following guides:\n *\n * * {@glink framework/guides/deep-dive/conversion/conversion-introduction Advanced conversion concepts &mdash; attributes}\n * * {@glink framework/guides/deep-dive/conversion/custom-element-conversion Custom element conversion}\n *\n * Examples of event-based converters:\n *\n *\t\t// A converter for links (<a>).\n *\t\teditor.data.upcastDispatcher.on( 'element:a', ( evt, data, conversionApi ) => {\n *\t\t\tif ( conversionApi.consumable.consume( data.viewItem, { name: true, attributes: [ 'href' ] } ) ) {\n *\t\t\t\t// The <a> element is inline and is represented by an attribute in the model.\n *\t\t\t\t// This is why you need to convert only children.\n *\t\t\t\tconst { modelRange } = conversionApi.convertChildren( data.viewItem, data.modelCursor );\n *\n *\t\t\t\tfor ( let item of modelRange.getItems() ) {\n *\t\t\t\t\tif ( conversionApi.schema.checkAttribute( item, 'linkHref' ) ) {\n *\t\t\t\t\t\tconversionApi.writer.setAttribute( 'linkHref', data.viewItem.getAttribute( 'href' ), item );\n *\t\t\t\t\t}\n *\t\t\t\t}\n *\t\t\t}\n *\t\t} );\n *\n *\t\t// Convert <p> element's font-size style.\n *\t\t// Note: You should use a low-priority observer in order to ensure that\n *\t\t// it is executed after the element-to-element converter.\n *\t\teditor.data.upcastDispatcher.on( 'element:p', ( evt, data, conversionApi ) => {\n *\t\t\tconst { consumable, schema, writer } = conversionApi;\n *\n *\t\t\tif ( !consumable.consume( data.viewItem, { style: 'font-size' } ) ) {\n *\t\t\t\treturn;\n *\t\t\t}\n *\n *\t\t\tconst fontSize = data.viewItem.getStyle( 'font-size' );\n *\n *\t\t\t// Do not go for the model element after data.modelCursor because it might happen\n *\t\t\t// that a single view element was converted to multiple model elements. Get all of them.\n *\t\t\tfor ( const item of data.modelRange.getItems( { shallow: true } ) ) {\n *\t\t\t\tif ( schema.checkAttribute( item, 'fontSize' ) ) {\n *\t\t\t\t\twriter.setAttribute( 'fontSize', fontSize, item );\n *\t\t\t\t}\n *\t\t\t}\n *\t\t}, { priority: 'low' } );\n *\n *\t\t// Convert all elements which have no custom converter into a paragraph (autoparagraphing).\n *\t\teditor.data.upcastDispatcher.on( 'element', ( evt, data, conversionApi ) => {\n *\t\t\t// Check if an element can be converted.\n *\t\t\tif ( !conversionApi.consumable.test( data.viewItem, { name: data.viewItem.name } ) ) {\n *\t\t\t\t// When an element is already consumed by higher priority converters, do nothing.\n *\t\t\t\treturn;\n *\t\t\t}\n *\n *\t\t\tconst paragraph = conversionApi.writer.createElement( 'paragraph' );\n *\n *\t\t\t// Try to safely insert a paragraph at the model cursor - it will find an allowed parent for the current element.\n *\t\t\tif ( !conversionApi.safeInsert( paragraph, data.modelCursor ) ) {\n *\t\t\t\t// When an element was not inserted, it means that you cannot insert a paragraph at this position.\n *\t\t\t\treturn;\n *\t\t\t}\n *\n *\t\t\t// Consume the inserted element.\n *\t\t\tconversionApi.consumable.consume( data.viewItem, { name: data.viewItem.name } ) );\n *\n *\t\t\t// Convert the children to a paragraph.\n *\t\t\tconst { modelRange } = conversionApi.convertChildren( data.viewItem,  paragraph ) );\n *\n *\t\t\t// Update `modelRange` and `modelCursor` in the `data` as a conversion result.\n *\t\t\tconversionApi.updateConversionResult( paragraph, data );\n *\t\t}, { priority: 'low' } );\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n * @fires viewCleanup\n * @fires element\n * @fires text\n * @fires documentFragment\n */\nexport default class UpcastDispatcher {\n\t/**\n\t * Creates an upcast dispatcher that operates using the passed API.\n\t *\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi\n\t * @param {Object} [conversionApi] Additional properties for an interface that will be passed to events fired\n\t * by the upcast dispatcher.\n\t */\n\tconstructor( conversionApi = {} ) {\n\t\t/**\n\t\t * The list of elements that were created during splitting.\n\t\t *\n\t\t * After the conversion process the list is cleared.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<module:engine/model/element~Element,Array.<module:engine/model/element~Element>>}\n\t\t */\n\t\tthis._splitParts = new Map();\n\n\t\t/**\n\t\t * The list of cursor parent elements that were created during splitting.\n\t\t *\n\t\t * After the conversion process the list is cleared.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<module:engine/model/element~Element,Array.<module:engine/model/element~Element>>}\n\t\t */\n\t\tthis._cursorParents = new Map();\n\n\t\t/**\n\t\t * The position in the temporary structure where the converted content is inserted. The structure reflects the context of\n\t\t * the target position where the content will be inserted. This property is built based on the context parameter of the\n\t\t * convert method.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/position~Position|null}\n\t\t */\n\t\tthis._modelCursor = null;\n\n\t\t/**\n\t\t * An interface passed by the dispatcher to the event callbacks.\n\t\t *\n\t\t * @member {module:engine/conversion/upcastdispatcher~UpcastConversionApi}\n\t\t */\n\t\tthis.conversionApi = Object.assign( {}, conversionApi );\n\n\t\t// The below methods are bound to this `UpcastDispatcher` instance and set on `conversionApi`.\n\t\t// This way only a part of `UpcastDispatcher` API is exposed.\n\t\tthis.conversionApi.convertItem = this._convertItem.bind( this );\n\t\tthis.conversionApi.convertChildren = this._convertChildren.bind( this );\n\t\tthis.conversionApi.safeInsert = this._safeInsert.bind( this );\n\t\tthis.conversionApi.updateConversionResult = this._updateConversionResult.bind( this );\n\t\t// Advanced API - use only if custom position handling is needed.\n\t\tthis.conversionApi.splitToAllowedParent = this._splitToAllowedParent.bind( this );\n\t\tthis.conversionApi.getSplitParts = this._getSplitParts.bind( this );\n\t}\n\n\t/**\n\t * Starts the conversion process. The entry point for the conversion.\n\t *\n\t * @fires element\n\t * @fires text\n\t * @fires documentFragment\n\t * @param {module:engine/view/documentfragment~DocumentFragment|module:engine/view/element~Element} viewItem\n\t * The part of the view to be converted.\n\t * @param {module:engine/model/writer~Writer} writer An instance of the model writer.\n\t * @param {module:engine/model/schema~SchemaContextDefinition} [context=['$root']] Elements will be converted according to this context.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} Model data that is the result of the conversion process\n\t * wrapped in `DocumentFragment`. Converted marker elements will be set as the document fragment's\n\t * {@link module:engine/model/documentfragment~DocumentFragment#markers static markers map}.\n\t */\n\tconvert( viewItem, writer, context = [ '$root' ] ) {\n\t\tthis.fire( 'viewCleanup', viewItem );\n\n\t\t// Create context tree and set position in the top element.\n\t\t// Items will be converted according to this position.\n\t\tthis._modelCursor = createContextTree( context, writer );\n\n\t\t// Store writer in conversion as a conversion API\n\t\t// to be sure that conversion process will use the same batch.\n\t\tthis.conversionApi.writer = writer;\n\n\t\t// Create consumable values list for conversion process.\n\t\tthis.conversionApi.consumable = ViewConsumable.createFrom( viewItem );\n\n\t\t// Custom data stored by converter for conversion process.\n\t\tthis.conversionApi.store = {};\n\n\t\t// Do the conversion.\n\t\tconst { modelRange } = this._convertItem( viewItem, this._modelCursor );\n\n\t\t// Conversion result is always a document fragment so let's create it.\n\t\tconst documentFragment = writer.createDocumentFragment();\n\n\t\t// When there is a conversion result.\n\t\tif ( modelRange ) {\n\t\t\t// Remove all empty elements that were create while splitting.\n\t\t\tthis._removeEmptyElements();\n\n\t\t\t// Move all items that were converted in context tree to the document fragment.\n\t\t\tfor ( const item of Array.from( this._modelCursor.parent.getChildren() ) ) {\n\t\t\t\twriter.append( item, documentFragment );\n\t\t\t}\n\n\t\t\t// Extract temporary markers elements from model and set as static markers collection.\n\t\t\tdocumentFragment.markers = extractMarkersFromModelFragment( documentFragment, writer );\n\t\t}\n\n\t\t// Clear context position.\n\t\tthis._modelCursor = null;\n\n\t\t// Clear split elements & parents lists.\n\t\tthis._splitParts.clear();\n\t\tthis._cursorParents.clear();\n\n\t\t// Clear conversion API.\n\t\tthis.conversionApi.writer = null;\n\t\tthis.conversionApi.store = null;\n\n\t\t// Return fragment as conversion result.\n\t\treturn documentFragment;\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#convertItem\n\t */\n\t_convertItem( viewItem, modelCursor ) {\n\t\tconst data = Object.assign( { viewItem, modelCursor, modelRange: null } );\n\n\t\tif ( viewItem.is( 'element' ) ) {\n\t\t\tthis.fire( 'element:' + viewItem.name, data, this.conversionApi );\n\t\t} else if ( viewItem.is( '$text' ) ) {\n\t\t\tthis.fire( 'text', data, this.conversionApi );\n\t\t} else {\n\t\t\tthis.fire( 'documentFragment', data, this.conversionApi );\n\t\t}\n\n\t\t// Handle incorrect conversion result.\n\t\tif ( data.modelRange && !( data.modelRange instanceof ModelRange ) ) {\n\t\t\t/**\n\t\t\t * Incorrect conversion result was dropped.\n\t\t\t *\n\t\t\t * {@link module:engine/model/range~Range Model range} should be a conversion result.\n\t\t\t *\n\t\t\t * @error view-conversion-dispatcher-incorrect-result\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'view-conversion-dispatcher-incorrect-result', this );\n\t\t}\n\n\t\treturn { modelRange: data.modelRange, modelCursor: data.modelCursor };\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#convertChildren\n\t */\n\t_convertChildren( viewItem, elementOrModelCursor ) {\n\t\tlet nextModelCursor = elementOrModelCursor.is( 'position' ) ?\n\t\t\telementOrModelCursor : ModelPosition._createAt( elementOrModelCursor, 0 );\n\n\t\tconst modelRange = new ModelRange( nextModelCursor );\n\n\t\tfor ( const viewChild of Array.from( viewItem.getChildren() ) ) {\n\t\t\tconst result = this._convertItem( viewChild, nextModelCursor );\n\n\t\t\tif ( result.modelRange instanceof ModelRange ) {\n\t\t\t\tmodelRange.end = result.modelRange.end;\n\t\t\t\tnextModelCursor = result.modelCursor;\n\t\t\t}\n\t\t}\n\n\t\treturn { modelRange, modelCursor: nextModelCursor };\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#safeInsert\n\t */\n\t_safeInsert( modelElement, position ) {\n\t\t// Find allowed parent for element that we are going to insert.\n\t\t// If current parent does not allow to insert element but one of the ancestors does\n\t\t// then split nodes to allowed parent.\n\t\tconst splitResult = this._splitToAllowedParent( modelElement, position );\n\n\t\t// When there is no split result it means that we can't insert element to model tree, so let's skip it.\n\t\tif ( !splitResult ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Insert element on allowed position.\n\t\tthis.conversionApi.writer.insert( modelElement, splitResult.position );\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#updateConversionResult\n\t */\n\t_updateConversionResult( modelElement, data ) {\n\t\tconst parts = this._getSplitParts( modelElement );\n\n\t\tconst writer = this.conversionApi.writer;\n\n\t\t// Set conversion result range - only if not set already.\n\t\tif ( !data.modelRange ) {\n\t\t\tdata.modelRange = writer.createRange(\n\t\t\t\twriter.createPositionBefore( modelElement ),\n\t\t\t\twriter.createPositionAfter( parts[ parts.length - 1 ] )\n\t\t\t);\n\t\t}\n\n\t\tconst savedCursorParent = this._cursorParents.get( modelElement );\n\n\t\t// Now we need to check where the `modelCursor` should be.\n\t\tif ( savedCursorParent ) {\n\t\t\t// If we split parent to insert our element then we want to continue conversion in the new part of the split parent.\n\t\t\t//\n\t\t\t// before: <allowed><notAllowed>foo[]</notAllowed></allowed>\n\t\t\t// after:  <allowed><notAllowed>foo</notAllowed> <converted></converted> <notAllowed>[]</notAllowed></allowed>\n\n\t\t\tdata.modelCursor = writer.createPositionAt( savedCursorParent, 0 );\n\t\t} else {\n\t\t\t// Otherwise just continue after inserted element.\n\n\t\t\tdata.modelCursor = data.modelRange.end;\n\t\t}\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#splitToAllowedParent\n\t */\n\t_splitToAllowedParent( node, modelCursor ) {\n\t\tconst { schema, writer } = this.conversionApi;\n\n\t\t// Try to find allowed parent.\n\t\tlet allowedParent = schema.findAllowedParent( modelCursor, node );\n\n\t\tif ( allowedParent ) {\n\t\t\t// When current position parent allows to insert node then return this position.\n\t\t\tif ( allowedParent === modelCursor.parent ) {\n\t\t\t\treturn { position: modelCursor };\n\t\t\t}\n\n\t\t\t// When allowed parent is in context tree (it's outside the converted tree).\n\t\t\tif ( this._modelCursor.parent.getAncestors().includes( allowedParent ) ) {\n\t\t\t\tallowedParent = null;\n\t\t\t}\n\t\t}\n\n\t\tif ( !allowedParent ) {\n\t\t\t// Check if the node wrapped with a paragraph would be accepted by the schema.\n\t\t\tif ( !isParagraphable( modelCursor, node, schema ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tposition: wrapInParagraph( modelCursor, writer )\n\t\t\t};\n\t\t}\n\n\t\t// Split element to allowed parent.\n\t\tconst splitResult = this.conversionApi.writer.split( modelCursor, allowedParent );\n\n\t\t// Using the range returned by `model.Writer#split`, we will pair original elements with their split parts.\n\t\t//\n\t\t// The range returned from the writer spans \"over the split\" or, precisely saying, from the end of the original element (the one\n\t\t// that got split) to the beginning of the other part of that element:\n\t\t//\n\t\t// <limit><a><b><c>X[]Y</c></b><a></limit> ->\n\t\t// <limit><a><b><c>X[</c></b></a><a><b><c>]Y</c></b></a>\n\t\t//\n\t\t// After the split there cannot be any full node between the positions in `splitRange`. The positions are touching.\n\t\t// Also, because of how splitting works, it is easy to notice, that \"closing tags\" are in the reverse order than \"opening tags\".\n\t\t// Also, since we split all those elements, each of them has to have the other part.\n\t\t//\n\t\t// With those observations in mind, we will pair the original elements with their split parts by saving \"closing tags\" and matching\n\t\t// them with \"opening tags\" in the reverse order. For that we can use a stack.\n\t\tconst stack = [];\n\n\t\tfor ( const treeWalkerValue of splitResult.range.getWalker() ) {\n\t\t\tif ( treeWalkerValue.type == 'elementEnd' ) {\n\t\t\t\tstack.push( treeWalkerValue.item );\n\t\t\t} else {\n\t\t\t\t// There should not be any text nodes after the element is split, so the only other value is `elementStart`.\n\t\t\t\tconst originalPart = stack.pop();\n\t\t\t\tconst splitPart = treeWalkerValue.item;\n\n\t\t\t\tthis._registerSplitPair( originalPart, splitPart );\n\t\t\t}\n\t\t}\n\n\t\tconst cursorParent = splitResult.range.end.parent;\n\t\tthis._cursorParents.set( node, cursorParent );\n\n\t\treturn {\n\t\t\tposition: splitResult.position,\n\t\t\tcursorParent\n\t\t};\n\t}\n\n\t/**\n\t * Registers that a `splitPart` element is a split part of the `originalPart` element.\n\t *\n\t * The data set by this method is used by {@link #_getSplitParts} and {@link #_removeEmptyElements}.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} originalPart\n\t * @param {module:engine/model/element~Element} splitPart\n\t */\n\t_registerSplitPair( originalPart, splitPart ) {\n\t\tif ( !this._splitParts.has( originalPart ) ) {\n\t\t\tthis._splitParts.set( originalPart, [ originalPart ] );\n\t\t}\n\n\t\tconst list = this._splitParts.get( originalPart );\n\n\t\tthis._splitParts.set( splitPart, list );\n\t\tlist.push( splitPart );\n\t}\n\n\t/**\n\t * @private\n\t * @see module:engine/conversion/upcastdispatcher~UpcastConversionApi#getSplitParts\n\t */\n\t_getSplitParts( element ) {\n\t\tlet parts;\n\n\t\tif ( !this._splitParts.has( element ) ) {\n\t\t\tparts = [ element ];\n\t\t} else {\n\t\t\tparts = this._splitParts.get( element );\n\t\t}\n\n\t\treturn parts;\n\t}\n\n\t/**\n\t * Checks if there are any empty elements created while splitting and removes them.\n\t *\n\t * This method works recursively to re-check empty elements again after at least one element was removed in the initial call,\n\t * as some elements might have become empty after other empty elements were removed from them.\n\t *\n\t * @private\n\t */\n\t_removeEmptyElements() {\n\t\tlet anyRemoved = false;\n\n\t\tfor ( const element of this._splitParts.keys() ) {\n\t\t\tif ( element.isEmpty ) {\n\t\t\t\tthis.conversionApi.writer.remove( element );\n\t\t\t\tthis._splitParts.delete( element );\n\n\t\t\t\tanyRemoved = true;\n\t\t\t}\n\t\t}\n\n\t\tif ( anyRemoved ) {\n\t\t\tthis._removeEmptyElements();\n\t\t}\n\t}\n\n\t/**\n\t * Fired before the first conversion event, at the beginning of the upcast (view-to-model conversion) process.\n\t *\n\t * @event viewCleanup\n\t * @param {module:engine/view/documentfragment~DocumentFragment|module:engine/view/element~Element}\n\t * viewItem A part of the view to be converted.\n\t */\n\n\t/**\n\t * Fired when an {@link module:engine/view/element~Element} is converted.\n\t *\n\t * `element` is a namespace event for a class of events. Names of actually called events follow the pattern of\n\t * `element:<elementName>` where `elementName` is the name of the converted element. This way listeners may listen to\n\t * a conversion of all or just specific elements.\n\t *\n\t * @event element\n\t * @param {module:engine/conversion/upcastdispatcher~UpcastConversionData} data The conversion data. Keep in mind that this object is\n\t * shared by reference between all callbacks that will be called. This means that callbacks can override values if needed, and these\n\t * values will be available in other callbacks.\n\t * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion utilities to be used by the\n\t * callback.\n\t */\n\n\t/**\n\t * Fired when a {@link module:engine/view/text~Text} is converted.\n\t *\n\t * @event text\n\t * @see #event:element\n\t */\n\n\t/**\n\t * Fired when a {@link module:engine/view/documentfragment~DocumentFragment} is converted.\n\t *\n\t * @event documentFragment\n\t * @see #event:element\n\t */\n}\n\nmix( UpcastDispatcher, EmitterMixin );\n\n// Traverses given model item and searches elements which marks marker range. Found element is removed from\n// DocumentFragment but path of this element is stored in a Map which is then returned.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment|module:engine/view/node~Node} modelItem Fragment of model.\n// @returns {Map<String, module:engine/model/range~Range>} List of static markers.\nfunction extractMarkersFromModelFragment( modelItem, writer ) {\n\tconst markerElements = new Set();\n\tconst markers = new Map();\n\n\t// Create ModelTreeWalker.\n\tconst range = ModelRange._createIn( modelItem ).getItems();\n\n\t// Walk through DocumentFragment and collect marker elements.\n\tfor ( const item of range ) {\n\t\t// Check if current element is a marker.\n\t\tif ( item.name == '$marker' ) {\n\t\t\tmarkerElements.add( item );\n\t\t}\n\t}\n\n\t// Walk through collected marker elements store its path and remove its from the DocumentFragment.\n\tfor ( const markerElement of markerElements ) {\n\t\tconst markerName = markerElement.getAttribute( 'data-name' );\n\t\tconst currentPosition = writer.createPositionBefore( markerElement );\n\n\t\t// When marker of given name is not stored it means that we have found the beginning of the range.\n\t\tif ( !markers.has( markerName ) ) {\n\t\t\tmarkers.set( markerName, new ModelRange( currentPosition.clone() ) );\n\t\t// Otherwise is means that we have found end of the marker range.\n\t\t} else {\n\t\t\tmarkers.get( markerName ).end = currentPosition.clone();\n\t\t}\n\n\t\t// Remove marker element from DocumentFragment.\n\t\twriter.remove( markerElement );\n\t}\n\n\treturn markers;\n}\n\n// Creates model fragment according to given context and returns position in the bottom (the deepest) element.\nfunction createContextTree( contextDefinition, writer ) {\n\tlet position;\n\n\tfor ( const item of new SchemaContext( contextDefinition ) ) {\n\t\tconst attributes = {};\n\n\t\tfor ( const key of item.getAttributeKeys() ) {\n\t\t\tattributes[ key ] = item.getAttribute( key );\n\t\t}\n\n\t\tconst current = writer.createElement( item.name, attributes );\n\n\t\tif ( position ) {\n\t\t\twriter.append( current, position );\n\t\t}\n\n\t\tposition = ModelPosition._createAt( current, 0 );\n\t}\n\n\treturn position;\n}\n\n/**\n * A set of conversion utilities available as the third parameter of the\n * {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher upcast dispatcher}'s events.\n *\n * @interface module:engine/conversion/upcastdispatcher~UpcastConversionApi\n */\n\n/**\n * Starts the conversion of a given item by firing an appropriate event.\n *\n * Every fired event is passed (as the first parameter) an object with the `modelRange` property. Every event may set and/or\n * modify that property. When all callbacks are done, the final value of the `modelRange` property is returned by this method.\n * The `modelRange` must be a {@link module:engine/model/range~Range model range} or `null` (as set by default).\n *\n * @method #convertItem\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:text\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:documentFragment\n * @param {module:engine/view/item~Item} viewItem Item to convert.\n * @param {module:engine/model/position~Position} modelCursor The conversion position.\n * @returns {Object} result The conversion result.\n * @returns {module:engine/model/range~Range|null} result.modelRange The model range containing the result of the item conversion,\n * created and modified by callbacks attached to the fired event, or `null` if the conversion result was incorrect.\n * @returns {module:engine/model/position~Position} result.modelCursor The position where the conversion should be continued.\n */\n\n/**\n * Starts the conversion of all children of a given item by firing appropriate events for all the children.\n *\n * @method #convertChildren\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:text\n * @fires module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:documentFragment\n * @param {module:engine/view/item~Item} viewItem An element whose children should be converted.\n * @param {module:engine/model/position~Position|module:engine/model/element~Element} positionOrElement A position or an element of\n * the conversion.\n * @returns {Object} result The conversion result.\n * @returns {module:engine/model/range~Range} result.modelRange The model range containing the results of the conversion of all children\n * of the given item. When no child was converted, the range is collapsed.\n * @returns {module:engine/model/position~Position} result.modelCursor The position where the conversion should be continued.\n */\n\n/**\n * Safely inserts an element to the document, checking the {@link module:engine/model/schema~Schema schema} to find an allowed parent for\n * an element that you are going to insert, starting from the given position. If the current parent does not allow to insert the element\n * but one of the ancestors does, then splits the nodes to allowed parent.\n *\n * If the schema allows to insert the node in a given position, nothing is split.\n *\n * If it was not possible to find an allowed parent, `false` is returned and nothing is split.\n *\n * Otherwise, ancestors are split.\n *\n * For instance, if `<imageBlock>` is not allowed in `<paragraph>` but is allowed in `$root`:\n *\n *\t\t<paragraph>foo[]bar</paragraph>\n *\n *\t\t-> safe insert for `<imageBlock>` will split ->\n *\n *\t\t<paragraph>foo</paragraph>[]<paragraph>bar</paragraph>\n *\n * Example usage:\n *\n *\t\tconst myElement = conversionApi.writer.createElement( 'myElement' );\n *\n *\t\tif ( !conversionApi.safeInsert( myElement, data.modelCursor ) ) {\n *\t\t\treturn;\n *\t\t}\n *\n * The split result is saved and {@link #updateConversionResult} should be used to update the\n * {@link module:engine/conversion/upcastdispatcher~UpcastConversionData conversion data}.\n *\n * @method #safeInsert\n * @param {module:engine/model/node~Node} node The node to insert.\n * @param {module:engine/model/position~Position} position The position where an element is going to be inserted.\n * @returns {Boolean} The split result. If it was not possible to find an allowed position, `false` is returned.\n */\n\n/**\n * Updates the conversion result and sets a proper {@link module:engine/conversion/upcastdispatcher~UpcastConversionData#modelRange} and\n * the next {@link module:engine/conversion/upcastdispatcher~UpcastConversionData#modelCursor} after the conversion.\n * Used together with {@link #safeInsert}, it enables you to easily convert elements without worrying if the node was split\n * during the conversion of its children.\n *\n * A usage example in converter code:\n *\n *\t\tconst myElement = conversionApi.writer.createElement( 'myElement' );\n *\n *\t\tif ( !conversionApi.safeInsert( myElement, data.modelCursor ) ) {\n *\t\t\treturn;\n *\t\t}\n *\n *\t\t// Children conversion may split `myElement`.\n *\t\tconversionApi.convertChildren( data.viewItem, myElement );\n *\n *\t\tconversionApi.updateConversionResult( myElement, data );\n *\n * @method #updateConversionResult\n * @param {module:engine/model/element~Element} element\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionData} data Conversion data.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion utilities to be used by the callback.\n */\n\n/**\n * Checks the {@link module:engine/model/schema~Schema schema} to find an allowed parent for an element that is going to be inserted\n * starting from the given position. If the current parent does not allow inserting an element but one of the ancestors does, the method\n * splits nodes to allowed parent.\n *\n * If the schema allows inserting the node in the given position, nothing is split and an object with that position is returned.\n *\n * If it was not possible to find an allowed parent, `null` is returned and nothing is split.\n *\n * Otherwise, ancestors are split and an object with a position and the copy of the split element is returned.\n *\n * For instance, if `<imageBlock>` is not allowed in `<paragraph>` but is allowed in `$root`:\n *\n *\t\t<paragraph>foo[]bar</paragraph>\n *\n *\t\t-> split for `<imageBlock>` ->\n *\n *\t\t<paragraph>foo</paragraph>[]<paragraph>bar</paragraph>\n *\n * In the example above, the position between `<paragraph>` elements will be returned as `position` and the second `paragraph`\n * as `cursorParent`.\n *\n * **Note:** This is an advanced method. For most cases {@link #safeInsert} and {@link #updateConversionResult} should be used.\n *\n * @method #splitToAllowedParent\n * @param {module:engine/model/position~Position} position The position where the element is going to be inserted.\n * @param {module:engine/model/node~Node} node The node to insert.\n * @returns {Object|null} The split result. If it was not possible to find an allowed position, `null` is returned.\n * @returns {module:engine/model/position~Position} The position between split elements.\n * @returns {module:engine/model/element~Element} [cursorParent] The element inside which the cursor should be placed to\n * continue the conversion. When the element is not defined it means that there was no split.\n */\n\n/**\n * Returns all the split parts of the given `element` that were created during upcasting through using {@link #splitToAllowedParent}.\n * It enables you to easily track these elements and continue processing them after they are split during the conversion of their children.\n *\n *\t\t<paragraph>Foo<imageBlock />bar<imageBlock />baz</paragraph> ->\n *\t\t<paragraph>Foo</paragraph><imageBlock /><paragraph>bar</paragraph><imageBlock /><paragraph>baz</paragraph>\n *\n * For a reference to any of above paragraphs, the function will return all three paragraphs (the original element included),\n * sorted in the order of their creation (the original element is the first one).\n *\n * If the given `element` was not split, an array with a single element is returned.\n *\n * A usage example in the converter code:\n *\n *\t\tconst myElement = conversionApi.writer.createElement( 'myElement' );\n *\n *\t\t// Children conversion may split `myElement`.\n *\t\tconversionApi.convertChildren( data.viewItem, data.modelCursor );\n *\n *\t\tconst splitParts = conversionApi.getSplitParts( myElement );\n *\t\tconst lastSplitPart = splitParts[ splitParts.length - 1 ];\n *\n *\t\t// Setting `data.modelRange` basing on split parts:\n *\t\tdata.modelRange = conversionApi.writer.createRange(\n *\t\t\tconversionApi.writer.createPositionBefore( myElement ),\n *\t\t\tconversionApi.writer.createPositionAfter( lastSplitPart )\n *\t\t);\n *\n *\t\t// Setting `data.modelCursor` to continue after the last split element:\n *\t\tdata.modelCursor = conversionApi.writer.createPositionAfter( lastSplitPart );\n *\n * **Tip:** If you are unable to get a reference to the original element (for example because the code is split into multiple converters\n * or even classes) but it has already been converted, you may want to check the first element in `data.modelRange`. This is a common\n * situation if an attribute converter is separated from an element converter.\n *\n * **Note:** This is an advanced method. For most cases {@link #safeInsert} and {@link #updateConversionResult} should be used.\n *\n * @method #getSplitParts\n * @param {module:engine/model/element~Element} element\n * @returns {Array.<module:engine/model/element~Element>}\n */\n\n/**\n * Stores information about what parts of the processed view item are still waiting to be handled. After a piece of view item\n * was converted, an appropriate consumable value should be\n * {@link module:engine/conversion/viewconsumable~ViewConsumable#consume consumed}.\n *\n * @member {module:engine/conversion/viewconsumable~ViewConsumable} #consumable\n */\n\n/**\n * Custom data stored by converters for the conversion process. Custom properties of this object can be defined and use to\n * pass parameters between converters.\n *\n * The difference between this property and the `data` parameter of\n * {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element} is that the `data` parameters allow you\n * to pass parameters within a single event and `store` within the whole conversion.\n *\n * @member {Object} #store\n */\n\n/**\n * The model's schema instance.\n *\n * @member {module:engine/model/schema~Schema} #schema\n */\n\n/**\n * The {@link module:engine/model/writer~Writer} instance used to manipulate the data during conversion.\n *\n * @member {module:engine/model/writer~Writer} #writer\n */\n\n/**\n * Conversion data.\n *\n * **Note:** Keep in mind that this object is shared by reference between all conversion callbacks that will be called.\n * This means that callbacks can override values if needed, and these values will be available in other callbacks.\n *\n * @typedef {Object} module:engine/conversion/upcastdispatcher~UpcastConversionData\n *\n * @property {module:engine/view/item~Item} viewItem The converted item.\n * @property {module:engine/model/position~Position} modelCursor The position where the converter should start changes.\n * Change this value for the next converter to tell where the conversion should continue.\n * @property {module:engine/model/range~Range} [modelRange] The current state of conversion result. Every change to\n * the converted element should be reflected by setting or modifying this property.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/dataprocessor/basichtmlwriter\n */\n\n/* globals document */\n\n/**\n * Basic HTML writer. It uses the native `innerHTML` property for basic conversion\n * from a document fragment to an HTML string.\n *\n * @implements module:engine/dataprocessor/htmlwriter~HtmlWriter\n */\nexport default class BasicHtmlWriter {\n\t/**\n\t * Returns an HTML string created from the document fragment.\n\t *\n\t * @param {DocumentFragment} fragment\n\t * @returns {String}\n\t */\n\tgetHtml( fragment ) {\n\t\tconst doc = document.implementation.createHTMLDocument( '' );\n\t\tconst container = doc.createElement( 'div' );\n\t\tcontainer.appendChild( fragment );\n\n\t\treturn container.innerHTML;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/dataprocessor/htmldataprocessor\n */\n\n/* globals document, DOMParser */\n\nimport BasicHtmlWriter from './basichtmlwriter';\nimport DomConverter from '../view/domconverter';\n\n/**\n * The HTML data processor class.\n * This data processor implementation uses HTML as input and output data.\n *\n * @implements module:engine/dataprocessor/dataprocessor~DataProcessor\n */\nexport default class HtmlDataProcessor {\n\t/**\n\t * Creates a new instance of the HTML data processor class.\n\t *\n\t * @param {module:engine/view/document~Document} document The view document instance.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * A DOM parser instance used to parse an HTML string to an HTML document.\n\t\t *\n\t\t * @member {DOMParser}\n\t\t */\n\t\tthis.domParser = new DOMParser();\n\n\t\t/**\n\t\t * A DOM converter used to convert DOM elements to view elements.\n\t\t *\n\t\t * @member {module:engine/view/domconverter~DomConverter}\n\t\t */\n\t\tthis.domConverter = new DomConverter( document, { renderingMode: 'data' } );\n\n\t\t/**\n\t\t * A basic HTML writer instance used to convert DOM elements to an HTML string.\n\t\t *\n\t\t * @member {module:engine/dataprocessor/htmlwriter~HtmlWriter}\n\t\t */\n\t\tthis.htmlWriter = new BasicHtmlWriter();\n\t}\n\n\t/**\n\t * Converts a provided {@link module:engine/view/documentfragment~DocumentFragment document fragment}\n\t * to data format &mdash; in this case to an HTML string.\n\t *\n\t * @param {module:engine/view/documentfragment~DocumentFragment} viewFragment\n\t * @returns {String} HTML string.\n\t */\n\ttoData( viewFragment ) {\n\t\t// Convert view DocumentFragment to DOM DocumentFragment.\n\t\tconst domFragment = this.domConverter.viewToDom( viewFragment, document );\n\n\t\t// Convert DOM DocumentFragment to HTML output.\n\t\treturn this.htmlWriter.getHtml( domFragment );\n\t}\n\n\t/**\n\t * Converts the provided HTML string to a view tree.\n\t *\n\t * @param {String} data An HTML string.\n\t * @returns {module:engine/view/node~Node|module:engine/view/documentfragment~DocumentFragment|null} A converted view element.\n\t */\n\ttoView( data ) {\n\t\t// Convert input HTML data to DOM DocumentFragment.\n\t\tconst domFragment = this._toDom( data );\n\n\t\t// Convert DOM DocumentFragment to view DocumentFragment.\n\t\treturn this.domConverter.domToView( domFragment );\n\t}\n\n\t/**\n\t * Registers a {@link module:engine/view/matcher~MatcherPattern} for view elements whose content should be treated as raw data\n\t * and not processed during the conversion from the DOM to the view elements.\n\t *\n\t * The raw data can be later accessed by a\n\t * {@link module:engine/view/element~Element#getCustomProperty custom property of a view element} called `\"$rawContent\"`.\n\t *\n\t * @param {module:engine/view/matcher~MatcherPattern} pattern Pattern matching all view elements whose content should\n\t * be treated as raw data.\n\t */\n\tregisterRawContentMatcher( pattern ) {\n\t\tthis.domConverter.registerRawContentMatcher( pattern );\n\t}\n\n\t/**\n\t * If the processor is set to use marked fillers, it will insert `&nbsp;` fillers wrapped in `<span>` elements\n\t * (`<span data-cke-filler=\"true\">&nbsp;</span>`) instead of regular `&nbsp;` characters.\n\t *\n\t * This mode allows for a more precise handling of the block fillers (so they do not leak into the editor content) but\n\t * bloats the editor data with additional markup.\n\t *\n\t * This mode may be required by some features and will be turned on by them automatically.\n\t *\n\t * @param {'default'|'marked'} type Whether to use the default or the marked `&nbsp;` block fillers.\n\t */\n\tuseFillerType( type ) {\n\t\tthis.domConverter.blockFillerMode = type == 'marked' ? 'markedNbsp' : 'nbsp';\n\t}\n\n\t/**\n\t * Converts an HTML string to its DOM representation. Returns a document fragment containing nodes parsed from\n\t * the provided data.\n\t *\n\t * @private\n\t * @param {String} data\n\t * @returns {DocumentFragment}\n\t */\n\t_toDom( data ) {\n\t\t// Wrap data with a <body> so leading non-layout nodes (like <script>, <style>, HTML comment)\n\t\t// will be preserved in the body collection.\n\t\t// Do it only for data that is not a full HTML document.\n\t\tif ( !data.match( /<(?:html|body|head|meta)(?:\\s[^>]*)?>/i ) ) {\n\t\t\tdata = `<body>${ data }</body>`;\n\t\t}\n\n\t\tconst document = this.domParser.parseFromString( data, 'text/html' );\n\t\tconst fragment = document.createDocumentFragment();\n\t\tconst bodyChildNodes = document.body.childNodes;\n\n\t\twhile ( bodyChildNodes.length > 0 ) {\n\t\t\tfragment.appendChild( bodyChildNodes[ 0 ] );\n\t\t}\n\n\t\treturn fragment;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/controller/datacontroller\n */\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\nimport Mapper from '../conversion/mapper';\n\nimport DowncastDispatcher from '../conversion/downcastdispatcher';\nimport { insertText } from '../conversion/downcasthelpers';\n\nimport UpcastDispatcher from '../conversion/upcastdispatcher';\nimport { convertText, convertToModelFragment } from '../conversion/upcasthelpers';\n\nimport ViewDocumentFragment from '../view/documentfragment';\nimport ViewDocument from '../view/document';\nimport ViewDowncastWriter from '../view/downcastwriter';\n\nimport ModelRange from '../model/range';\nimport { autoParagraphEmptyRoots } from '../model/utils/autoparagraphing';\nimport HtmlDataProcessor from '../dataprocessor/htmldataprocessor';\n\n/**\n * Controller for the data pipeline. The data pipeline controls how data is retrieved from the document\n * and set inside it. Hence, the controller features two methods which allow to {@link ~DataController#get get}\n * and {@link ~DataController#set set} data of the {@link ~DataController#model model}\n * using given:\n *\n * * {@link module:engine/dataprocessor/dataprocessor~DataProcessor data processor},\n * * downcast converters,\n * * upcast converters.\n *\n * An instance of the data controller is always available in the {@link module:core/editor/editor~Editor#data `editor.data`}\n * property:\n *\n *\t\teditor.data.get( { rootName: 'customRoot' } ); // -> '<p>Hello!</p>'\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class DataController {\n\t/**\n\t * Creates a data controller instance.\n\t *\n\t * @param {module:engine/model/model~Model} model Data model.\n\t * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor The styles processor instance.\n\t */\n\tconstructor( model, stylesProcessor ) {\n\t\t/**\n\t\t * Data model.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * Mapper used for the conversion. It has no permanent bindings, because they are created when getting data and\n\t\t * cleared directly after the data are converted. However, the mapper is defined as a class property, because\n\t\t * it needs to be passed to the `DowncastDispatcher` as a conversion API.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/mapper~Mapper}\n\t\t */\n\t\tthis.mapper = new Mapper();\n\n\t\t/**\n\t\t * Downcast dispatcher used by the {@link #get get method}. Downcast converters should be attached to it.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/downcastdispatcher~DowncastDispatcher}\n\t\t */\n\t\tthis.downcastDispatcher = new DowncastDispatcher( {\n\t\t\tmapper: this.mapper,\n\t\t\tschema: model.schema\n\t\t} );\n\t\tthis.downcastDispatcher.on( 'insert:$text', insertText(), { priority: 'lowest' } );\n\n\t\t/**\n\t\t * Upcast dispatcher used by the {@link #set set method}. Upcast converters should be attached to it.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/upcastdispatcher~UpcastDispatcher}\n\t\t */\n\t\tthis.upcastDispatcher = new UpcastDispatcher( {\n\t\t\tschema: model.schema\n\t\t} );\n\n\t\t/**\n\t\t * The view document used by the data controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/document~Document}\n\t\t */\n\t\tthis.viewDocument = new ViewDocument( stylesProcessor );\n\n\t\t/**\n\t\t * Styles processor used during the conversion.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/view/stylesmap~StylesProcessor}\n\t\t */\n\t\tthis.stylesProcessor = stylesProcessor;\n\n\t\t/**\n\t\t * Data processor used specifically for HTML conversion.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/dataprocessor/htmldataprocessor~HtmlDataProcessor} #htmlProcessor\n\t\t */\n\t\tthis.htmlProcessor = new HtmlDataProcessor( this.viewDocument );\n\n\t\t/**\n\t\t * Data processor used during the conversion.\n\t\t * Same instance as {@link #htmlProcessor} by default. Can be replaced at run time to handle different format, e.g. XML or Markdown.\n\t\t *\n\t\t * @member {module:engine/dataprocessor/dataprocessor~DataProcessor} #processor\n\t\t */\n\t\tthis.processor = this.htmlProcessor;\n\n\t\t/**\n\t\t * The view downcast writer just for data conversion purposes, i.e. to modify\n\t\t * the {@link #viewDocument}.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @member {module:engine/view/downcastwriter~DowncastWriter}\n\t\t */\n\t\tthis._viewWriter = new ViewDowncastWriter( this.viewDocument );\n\n\t\t// Define default converters for text and elements.\n\t\t//\n\t\t// Note that if there is no default converter for the element it will be skipped, for instance `<b>foo</b>` will be\n\t\t// converted to nothing. We therefore add `convertToModelFragment` as a last converter so it converts children of that\n\t\t// element to the document fragment and so `<b>foo</b>` will be converted to `foo` if there is no converter for `<b>`.\n\t\tthis.upcastDispatcher.on( 'text', convertText(), { priority: 'lowest' } );\n\t\tthis.upcastDispatcher.on( 'element', convertToModelFragment(), { priority: 'lowest' } );\n\t\tthis.upcastDispatcher.on( 'documentFragment', convertToModelFragment(), { priority: 'lowest' } );\n\n\t\tthis.decorate( 'init' );\n\t\tthis.decorate( 'set' );\n\t\tthis.decorate( 'get' );\n\n\t\t// Fire the `ready` event when the initialization has completed. Such low-level listener gives possibility\n\t\t// to plug into the initialization pipeline without interrupting the initialization flow.\n\t\tthis.on( 'init', () => {\n\t\t\tthis.fire( 'ready' );\n\t\t}, { priority: 'lowest' } );\n\n\t\t// Fix empty roots after DataController is 'ready' (note that init method could be decorated and stopped).\n\t\t// We need to handle this event because initial data could be empty and post-fixer would not get triggered.\n\t\tthis.on( 'ready', () => {\n\t\t\tthis.model.enqueueChange( { isUndoable: false }, autoParagraphEmptyRoots );\n\t\t}, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * Returns the model's data converted by downcast dispatchers attached to {@link #downcastDispatcher} and\n\t * formatted by the {@link #processor data processor}.\n\t *\n\t * @fires get\n\t * @param {Object} [options] Additional configuration for the retrieved data. `DataController` provides two optional\n\t * properties: `rootName` and `trim`. Other properties of this object are specified by various editor features.\n\t * @param {String} [options.rootName='main'] Root name.\n\t * @param {String} [options.trim='empty'] Whether returned data should be trimmed. This option is set to `empty` by default,\n\t * which means whenever editor content is considered empty, an empty string will be returned. To turn off trimming completely\n\t * use `'none'`. In such cases exact content will be returned (for example `<p>&nbsp;</p>` for an empty editor).\n\t * @returns {String} Output data.\n\t */\n\tget( options = {} ) {\n\t\tconst { rootName = 'main', trim = 'empty' } = options;\n\n\t\tif ( !this._checkIfRootsExists( [ rootName ] ) ) {\n\t\t\t/**\n\t\t\t * Cannot get data from a non-existing root. This error is thrown when {@link #get DataController#get() method}\n\t\t\t * is called with non-existent root name. For example, if there is an editor instance with only `main` root,\n\t\t\t * calling {@link #get} like:\n\t\t\t *\n\t\t\t *\t\tdata.get( { rootName: 'root2' } );\n\t\t\t *\n\t\t\t * will throw this error.\n\t\t\t *\n\t\t\t * @error datacontroller-get-non-existent-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'datacontroller-get-non-existent-root', this );\n\t\t}\n\n\t\tconst root = this.model.document.getRoot( rootName );\n\n\t\tif ( trim === 'empty' && !this.model.hasContent( root, { ignoreWhitespaces: true } ) ) {\n\t\t\treturn '';\n\t\t}\n\n\t\treturn this.stringify( root, options );\n\t}\n\n\t/**\n\t * Returns the content of the given {@link module:engine/model/element~Element model's element} or\n\t * {@link module:engine/model/documentfragment~DocumentFragment model document fragment} converted by the downcast converters\n\t * attached to {@link #downcastDispatcher} and formatted by the {@link #processor data processor}.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} modelElementOrFragment\n\t * Element whose content will be stringified.\n\t * @param {Object} [options] Additional configuration passed to the conversion process.\n\t * @returns {String} Output data.\n\t */\n\tstringify( modelElementOrFragment, options = {} ) {\n\t\t// Model -> view.\n\t\tconst viewDocumentFragment = this.toView( modelElementOrFragment, options );\n\n\t\t// View -> data.\n\t\treturn this.processor.toData( viewDocumentFragment );\n\t}\n\n\t/**\n\t * Returns the content of the given {@link module:engine/model/element~Element model element} or\n\t * {@link module:engine/model/documentfragment~DocumentFragment model document fragment} converted by the downcast\n\t * converters attached to {@link #downcastDispatcher} to a\n\t * {@link module:engine/view/documentfragment~DocumentFragment view document fragment}.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} modelElementOrFragment\n\t * Element or document fragment whose content will be converted.\n\t * @param {Object} [options={}] Additional configuration that will be available through\n\t * {@link module:engine/conversion/downcastdispatcher~DowncastConversionApi#options} during the conversion process.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} Output view DocumentFragment.\n\t */\n\ttoView( modelElementOrFragment, options = {} ) {\n\t\tconst viewDocument = this.viewDocument;\n\t\tconst viewWriter = this._viewWriter;\n\n\t\t// Clear bindings so the call to this method gives correct results.\n\t\tthis.mapper.clearBindings();\n\n\t\t// First, convert elements.\n\t\tconst modelRange = ModelRange._createIn( modelElementOrFragment );\n\t\tconst viewDocumentFragment = new ViewDocumentFragment( viewDocument );\n\n\t\tthis.mapper.bindElements( modelElementOrFragment, viewDocumentFragment );\n\n\t\t// Make additional options available during conversion process through `conversionApi`.\n\t\tthis.downcastDispatcher.conversionApi.options = options;\n\n\t\t// We have no view controller and rendering to DOM in DataController so view.change() block is not used here.\n\t\tthis.downcastDispatcher.convertInsert( modelRange, viewWriter );\n\n\t\t// Convert markers.\n\t\t// For document fragment, simply take the markers assigned to this document fragment.\n\t\t// For model root, all markers in that root will be taken.\n\t\t// For model element, we need to check which markers are intersecting with this element and relatively modify the markers' ranges.\n\t\t// Collapsed markers at element boundary, although considered as not intersecting with the element, will also be returned.\n\t\tconst markers = modelElementOrFragment.is( 'documentFragment' ) ?\n\t\t\tArray.from( modelElementOrFragment.markers ) :\n\t\t\t_getMarkersRelativeToElement( modelElementOrFragment );\n\n\t\tfor ( const [ name, range ] of markers ) {\n\t\t\tthis.downcastDispatcher.convertMarkerAdd( name, range, viewWriter );\n\t\t}\n\n\t\t// Clean `conversionApi`.\n\t\tdelete this.downcastDispatcher.conversionApi.options;\n\n\t\treturn viewDocumentFragment;\n\t}\n\n\t/**\n\t * Sets initial input data parsed by the {@link #processor data processor} and\n\t * converted by the {@link #upcastDispatcher view-to-model converters}.\n\t * Initial data can be set only to document that {@link module:engine/model/document~Document#version} is equal 0.\n\t *\n\t * **Note** This method is {@link module:utils/observablemixin~ObservableMixin#decorate decorated} which is\n\t * used by e.g. collaborative editing plugin that syncs remote data on init.\n\t *\n\t * When data is passed as a string it is initialized on a default `main` root:\n\t *\n\t *\t\tdataController.init( '<p>Foo</p>' ); // Initializes data on the `main` root.\n\t *\n\t * To initialize data on a different root or multiple roots at once, object containing `rootName` - `data` pairs should be passed:\n\t *\n\t *\t\tdataController.init( { main: '<p>Foo</p>', title: '<h1>Bar</h1>' } ); // Initializes data on the `main` and `title` roots.\n\t *\n\t * @fires init\n\t * @param {String|Object.<String,String>} data Input data as a string or an object containing `rootName` - `data`\n\t * pairs to initialize data on multiple roots at once.\n\t * @returns {Promise} Promise that is resolved after the data is set on the editor.\n\t */\n\tinit( data ) {\n\t\tif ( this.model.document.version ) {\n\t\t\t/**\n\t\t\t * Cannot set initial data to not empty {@link module:engine/model/document~Document}.\n\t\t\t * Initial data should be set once, during {@link module:core/editor/editor~Editor} initialization,\n\t\t\t * when the {@link module:engine/model/document~Document#version} is equal 0.\n\t\t\t *\n\t\t\t * @error datacontroller-init-document-not-empty\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'datacontroller-init-document-not-empty', this );\n\t\t}\n\n\t\tlet initialData = {};\n\t\tif ( typeof data === 'string' ) {\n\t\t\tinitialData.main = data; // Default root is 'main'. To initiate data on a different root, object should be passed.\n\t\t} else {\n\t\t\tinitialData = data;\n\t\t}\n\n\t\tif ( !this._checkIfRootsExists( Object.keys( initialData ) ) ) {\n\t\t\t/**\n\t\t\t * Cannot init data on a non-existing root. This error is thrown when {@link #init DataController#init() method}\n\t\t\t * is called with non-existent root name. For example, if there is an editor instance with only `main` root,\n\t\t\t * calling {@link #init} like:\n\t\t\t *\n\t\t\t * \t\tdata.init( { main: '<p>Foo</p>', root2: '<p>Bar</p>' } );\n\t\t\t *\n\t\t\t * will throw this error.\n\t\t\t *\n\t\t\t * @error datacontroller-init-non-existent-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'datacontroller-init-non-existent-root', this );\n\t\t}\n\n\t\tthis.model.enqueueChange( { isUndoable: false }, writer => {\n\t\t\tfor ( const rootName of Object.keys( initialData ) ) {\n\t\t\t\tconst modelRoot = this.model.document.getRoot( rootName );\n\t\t\t\twriter.insert( this.parse( initialData[ rootName ], modelRoot ), modelRoot, 0 );\n\t\t\t}\n\t\t} );\n\n\t\treturn Promise.resolve();\n\t}\n\n\t/**\n\t * Sets input data parsed by the {@link #processor data processor} and\n\t * converted by the {@link #upcastDispatcher view-to-model converters}.\n\t * This method can be used any time to replace existing editor data by the new one without clearing the\n\t * {@link module:engine/model/document~Document#history document history}.\n\t *\n\t * This method also creates a batch with all the changes applied. If all you need is to parse data, use\n\t * the {@link #parse} method.\n\t *\n\t * When data is passed as a string it is set on a default `main` root:\n\t *\n\t *\t\tdataController.set( '<p>Foo</p>' ); // Sets data on the `main` root.\n\t *\n\t * To set data on a different root or multiple roots at once, object containing `rootName` - `data` pairs should be passed:\n\t *\n\t *\t\tdataController.set( { main: '<p>Foo</p>', title: '<h1>Bar</h1>' } ); // Sets data on the `main` and `title` roots.\n\t *\n\t * To set the data with preserved undo stack and add the change to the undo stack, set `{ isUndoable: true }` as `batchType` option.\n\t *\n\t *\t\tdataController.set( '<p>Foo</p>', { batchType: { isUndoable: true } } );\n\t *\n\t * @fires set\n\t * @param {String|Object.<String,String>} data Input data as a string or an object containing `rootName` - `data`\n\t * pairs to set data on multiple roots at once.\n\t * @param {Object} [options={}] Options for setting data.\n\t * @param {Object} [options.batchType] The batch type that will be used to create a batch for the changes applied by this method.\n\t * By default, the batch will be set as {@link module:engine/model/batch~Batch#isUndoable not undoable} and the undo stack will be\n\t * cleared after the new data is applied (all undo steps will be removed). If batch type `isUndoable` flag will be set to `true`,\n\t * the undo stack will be preserved.\n\t */\n\tset( data, options = {} ) {\n\t\tlet newData = {};\n\n\t\tif ( typeof data === 'string' ) {\n\t\t\tnewData.main = data; // Default root is 'main'. To set data on a different root, object should be passed.\n\t\t} else {\n\t\t\tnewData = data;\n\t\t}\n\n\t\tif ( !this._checkIfRootsExists( Object.keys( newData ) ) ) {\n\t\t\t/**\n\t\t\t * Cannot set data on a non-existing root. This error is thrown when {@link #set DataController#set() method}\n\t\t\t * is called with non-existent root name. For example, if there is an editor instance with only `main` root,\n\t\t\t * calling {@link #set} like:\n\t\t\t *\n\t\t\t * \t\tdata.set( { main: '<p>Foo</p>', root2: '<p>Bar</p>' } );\n\t\t\t *\n\t\t\t * will throw this error.\n\t\t\t *\n\t\t\t * @error datacontroller-set-non-existent-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'datacontroller-set-non-existent-root', this );\n\t\t}\n\n\t\tthis.model.enqueueChange( options.batchType || {}, writer => {\n\t\t\twriter.setSelection( null );\n\t\t\twriter.removeSelectionAttribute( this.model.document.selection.getAttributeKeys() );\n\n\t\t\tfor ( const rootName of Object.keys( newData ) ) {\n\t\t\t\t// Save to model.\n\t\t\t\tconst modelRoot = this.model.document.getRoot( rootName );\n\n\t\t\t\twriter.remove( writer.createRangeIn( modelRoot ) );\n\t\t\t\twriter.insert( this.parse( newData[ rootName ], modelRoot ), modelRoot, 0 );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the data parsed by the {@link #processor data processor} and then converted by upcast converters\n\t * attached to the {@link #upcastDispatcher}.\n\t *\n\t * @see #set\n\t * @param {String} data Data to parse.\n\t * @param {module:engine/model/schema~SchemaContextDefinition} [context='$root'] Base context in which the view will\n\t * be converted to the model. See: {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher#convert}.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} Parsed data.\n\t */\n\tparse( data, context = '$root' ) {\n\t\t// data -> view\n\t\tconst viewDocumentFragment = this.processor.toView( data );\n\n\t\t// view -> model\n\t\treturn this.toModel( viewDocumentFragment, context );\n\t}\n\n\t/**\n\t * Returns the result of the given {@link module:engine/view/element~Element view element} or\n\t * {@link module:engine/view/documentfragment~DocumentFragment view document fragment} converted by the\n\t * {@link #upcastDispatcher view-to-model converters}, wrapped by {@link module:engine/model/documentfragment~DocumentFragment}.\n\t *\n\t * When marker elements were converted during the conversion process, it will be set as a document fragment's\n\t * {@link module:engine/model/documentfragment~DocumentFragment#markers static markers map}.\n\t *\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} viewElementOrFragment\n\t * Element or document fragment whose content will be converted.\n\t * @param {module:engine/model/schema~SchemaContextDefinition} [context='$root'] Base context in which the view will\n\t * be converted to the model. See: {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher#convert}.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} Output document fragment.\n\t */\n\ttoModel( viewElementOrFragment, context = '$root' ) {\n\t\treturn this.model.change( writer => {\n\t\t\treturn this.upcastDispatcher.convert( viewElementOrFragment, writer, context );\n\t\t} );\n\t}\n\n\t/**\n\t * Adds a style processor normalization rules.\n\t *\n\t * You can implement your own rules as well as use one of the available processor rules:\n\t *\n\t * * background: {@link module:engine/view/styles/background~addBackgroundRules}\n\t * * border: {@link module:engine/view/styles/border~addBorderRules}\n\t * * margin: {@link module:engine/view/styles/margin~addMarginRules}\n\t * * padding: {@link module:engine/view/styles/padding~addPaddingRules}\n\t *\n\t * @param {Function} callback\n\t */\n\taddStyleProcessorRules( callback ) {\n\t\tcallback( this.stylesProcessor );\n\t}\n\n\t/**\n\t * Registers a {@link module:engine/view/matcher~MatcherPattern} on {@link #htmlProcessor htmlProcessor}\n\t * and {@link #processor processor} for view elements whose content should be treated as a raw data\n\t * and not processed during conversion from DOM to view elements.\n\t *\n\t * The raw data can be later accessed by {@link module:engine/view/element~Element#getCustomProperty view element custom property}\n\t * `\"$rawContent\"`.\n\t *\n\t * @param {module:engine/view/matcher~MatcherPattern} pattern Pattern matching all view elements whose content should\n\t * be treated as a raw data.\n\t */\n\tregisterRawContentMatcher( pattern ) {\n\t\t// No need to register the pattern if both `htmlProcessor` and `processor` are the same instances.\n\t\tif ( this.processor && this.processor !== this.htmlProcessor ) {\n\t\t\tthis.processor.registerRawContentMatcher( pattern );\n\t\t}\n\n\t\tthis.htmlProcessor.registerRawContentMatcher( pattern );\n\t}\n\n\t/**\n\t * Removes all event listeners set by the DataController.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Checks if all provided root names are existing editor roots.\n\t *\n\t * @private\n\t * @param {Array.<String>} rootNames Root names to check.\n\t * @returns {Boolean} Whether all provided root names are existing editor roots.\n\t */\n\t_checkIfRootsExists( rootNames ) {\n\t\tfor ( const rootName of rootNames ) {\n\t\t\tif ( !this.model.document.getRootNames().includes( rootName ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Event fired once the data initialization has finished.\n\t *\n\t * @event ready\n\t */\n\n\t/**\n\t * Event fired after the {@link #init `init()` method} was run. It can be {@link #listenTo listened to} in order to adjust or modify\n\t * the initialization flow. However, if the `init` event is stopped or prevented, the {@link #event:ready `ready` event}\n\t * should be fired manually.\n\t *\n\t * The `init` event is fired by the decorated {@link #init} method.\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * @event init\n\t */\n\n\t/**\n\t * Event fired after {@link #set set() method} has been run.\n\t *\n\t * The `set` event is fired by decorated {@link #set} method.\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * @event set\n\t */\n\n\t/**\n\t * Event fired after the {@link #get get() method} has been run.\n\t *\n\t * The `get` event is fired by decorated {@link #get} method.\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * @event get\n\t */\n}\n\nmix( DataController, ObservableMixin );\n\n// Helper function for downcast conversion.\n//\n// Takes a document element (element that is added to a model document) and checks which markers are inside it. If the marker is collapsed\n// at element boundary, it is considered as contained inside the element and marker range is returned. Otherwise, if the marker is\n// intersecting with the element, the intersection is returned.\nfunction _getMarkersRelativeToElement( element ) {\n\tconst result = [];\n\tconst doc = element.root.document;\n\n\tif ( !doc ) {\n\t\treturn [];\n\t}\n\n\tconst elementRange = ModelRange._createIn( element );\n\n\tfor ( const marker of doc.model.markers ) {\n\t\tconst markerRange = marker.getRange();\n\n\t\tconst isMarkerCollapsed = markerRange.isCollapsed;\n\t\tconst isMarkerAtElementBoundary = markerRange.start.isEqual( elementRange.start ) || markerRange.end.isEqual( elementRange.end );\n\n\t\tif ( isMarkerCollapsed && isMarkerAtElementBoundary ) {\n\t\t\tresult.push( [ marker.name, markerRange ] );\n\t\t} else {\n\t\t\tconst updatedMarkerRange = elementRange.getIntersection( markerRange );\n\n\t\t\tif ( updatedMarkerRange ) {\n\t\t\t\tresult.push( [ marker.name, updatedMarkerRange ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t// Sort the markers in a stable fashion to ensure that the order in which they are\n\t// added to the model's marker collection does not affect how they are\n\t// downcast. One particular use case that we are targeting here, is one where\n\t// two markers are adjacent but not overlapping, such as an insertion/deletion\n\t// suggestion pair representing the replacement of a range of text. In this\n\t// case, putting the markers in DOM order causes the first marker's end to be\n\t// serialized right after the second marker's start, while putting the markers\n\t// in reverse DOM order causes it to be right before the second marker's\n\t// start. So, we sort these in a way that ensures non-intersecting ranges are in\n\t// reverse DOM order, and intersecting ranges are in something approximating\n\t// reverse DOM order (since reverse DOM order doesn't have a precise meaning\n\t// when working with intersecting ranges).\n\treturn result.sort( ( [ n1, r1 ], [ n2, r2 ] ) => {\n\t\tif ( r1.end.compareWith( r2.start ) !== 'after' ) {\n\t\t\t// m1.end <= m2.start -- m1 is entirely <= m2\n\t\t\treturn 1;\n\t\t} else if ( r1.start.compareWith( r2.end ) !== 'before' ) {\n\t\t\t// m1.start >= m2.end -- m1 is entirely >= m2\n\t\t\treturn -1;\n\t\t} else {\n\t\t\t// they overlap, so use their start positions as the primary sort key and\n\t\t\t// end positions as the secondary sort key\n\t\t\tswitch ( r1.start.compareWith( r2.start ) ) {\n\t\t\t\tcase 'before':\n\t\t\t\t\treturn 1;\n\t\t\t\tcase 'after':\n\t\t\t\t\treturn -1;\n\t\t\t\tdefault:\n\t\t\t\t\tswitch ( r1.end.compareWith( r2.end ) ) {\n\t\t\t\t\t\tcase 'before':\n\t\t\t\t\t\t\treturn 1;\n\t\t\t\t\t\tcase 'after':\n\t\t\t\t\t\t\treturn -1;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\treturn n2.localeCompare( n1 );\n\t\t\t\t\t}\n\t\t\t}\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/conversion/conversion\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport UpcastHelpers from './upcasthelpers';\nimport DowncastHelpers from './downcasthelpers';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\n/**\n * A utility class that helps add converters to upcast and downcast dispatchers.\n *\n * We recommend reading the {@glink framework/guides/architecture/editing-engine Editing engine architecture} guide first to\n * understand the core concepts of the conversion mechanisms.\n *\n * An instance of the conversion manager is available in the\n * {@link module:core/editor/editor~Editor#conversion `editor.conversion`} property\n * and by default has the following groups of dispatchers (i.e. directions of conversion):\n *\n * * `downcast` (editing and data downcasts)\n * * `editingDowncast`\n * * `dataDowncast`\n * * `upcast`\n *\n * # One-way converters\n *\n * To add a converter to a specific group, use the {@link module:engine/conversion/conversion~Conversion#for `for()`}\n * method:\n *\n *\t\t// Add a converter to editing downcast and data downcast.\n *\t\teditor.conversion.for( 'downcast' ).elementToElement( config ) );\n *\n *\t\t// Add a converter to the data pipepline only:\n *\t\teditor.conversion.for( 'dataDowncast' ).elementToElement( dataConversionConfig ) );\n *\n *\t\t// And a slightly different one for the editing pipeline:\n *\t\teditor.conversion.for( 'editingDowncast' ).elementToElement( editingConversionConfig ) );\n *\n * See {@link module:engine/conversion/conversion~Conversion#for `for()`} method documentation to learn more about\n * available conversion helpers and how to use your custom ones.\n *\n * # Two-way converters\n *\n * Besides using one-way converters via the `for()` method, you can also use other methods available in this\n * class to add two-way converters (upcast and downcast):\n *\n * * {@link module:engine/conversion/conversion~Conversion#elementToElement `elementToElement()`} &ndash;\n * Model element to view element and vice versa.\n * * {@link module:engine/conversion/conversion~Conversion#attributeToElement `attributeToElement()`} &ndash;\n * Model attribute to view element and vice versa.\n * * {@link module:engine/conversion/conversion~Conversion#attributeToAttribute `attributeToAttribute()`} &ndash;\n * Model attribute to view element and vice versa.\n */\nexport default class Conversion {\n\t/**\n\t * Creates a new conversion instance.\n\t *\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastDispatcher|\n\t * Array.<module:engine/conversion/downcastdispatcher~DowncastDispatcher>} downcastDispatchers\n\t * @param {module:engine/conversion/upcastdispatcher~UpcastDispatcher|\n\t * Array.<module:engine/conversion/upcastdispatcher~UpcastDispatcher>} upcastDispatchers\n\t */\n\tconstructor( downcastDispatchers, upcastDispatchers ) {\n\t\t/**\n\t\t * Maps dispatchers group name to ConversionHelpers instances.\n\t\t *\n\t\t * @private\n\t\t * @member {Map.<String,module:engine/conversion/conversionhelpers~ConversionHelpers>}\n\t\t */\n\t\tthis._helpers = new Map();\n\n\t\t// Define default 'downcast' & 'upcast' dispatchers groups. Those groups are always available as two-way converters needs them.\n\t\tthis._downcast = toArray( downcastDispatchers );\n\t\tthis._createConversionHelpers( { name: 'downcast', dispatchers: this._downcast, isDowncast: true } );\n\n\t\tthis._upcast = toArray( upcastDispatchers );\n\t\tthis._createConversionHelpers( { name: 'upcast', dispatchers: this._upcast, isDowncast: false } );\n\t}\n\n\t/**\n\t * Define an alias for registered dispatcher.\n\t *\n\t *\t\tconst conversion = new Conversion(\n\t *\t\t\t[ dataDowncastDispatcher, editingDowncastDispatcher ],\n\t *\t\t\tupcastDispatcher\n\t *\t\t);\n\t *\n\t *\t\tconversion.addAlias( 'dataDowncast', dataDowncastDispatcher );\n\t *\n\t * @param {String} alias An alias of a dispatcher.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastDispatcher|\n\t * module:engine/conversion/upcastdispatcher~UpcastDispatcher} dispatcher Dispatcher which should have an alias.\n\t */\n\taddAlias( alias, dispatcher ) {\n\t\tconst isDowncast = this._downcast.includes( dispatcher );\n\t\tconst isUpcast = this._upcast.includes( dispatcher );\n\n\t\tif ( !isUpcast && !isDowncast ) {\n\t\t\t/**\n\t\t\t * Trying to register and alias for a dispatcher that nas not been registered.\n\t\t\t *\n\t\t\t * @error conversion-add-alias-dispatcher-not-registered\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'conversion-add-alias-dispatcher-not-registered',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tthis._createConversionHelpers( { name: alias, dispatchers: [ dispatcher ], isDowncast } );\n\t}\n\n\t/**\n\t * Provides a chainable API to assign converters to conversion dispatchers group.\n\t *\n\t * If the given group name has not been registered, the\n\t * {@link module:utils/ckeditorerror~CKEditorError `conversion-for-unknown-group` error} is thrown.\n\t *\n\t * You can use conversion helpers available directly in the `for()` chain or your custom ones via\n\t * the {@link module:engine/conversion/conversionhelpers~ConversionHelpers#add `add()`} method.\n\t *\n\t * # Using bulit-in conversion helpers\n\t *\n\t * The `for()` chain comes with a set of conversion helpers which you can use like this:\n\t *\n\t *\t\teditor.conversion.for( 'downcast' )\n\t *\t\t\t.elementToElement( config1 )        // Adds an element-to-element downcast converter.\n\t *\t\t\t.attributeToElement( config2 );     // Adds an attribute-to-element downcast converter.\n\t *\n\t *\t\teditor.conversion.for( 'upcast' )\n\t *\t\t\t.elementToAttribute( config3 );     // Adds an element-to-attribute upcast converter.\n\t *\n\t * Refer to the documentation of built-in conversion helpers to learn about their configuration options.\n\t *\n\t * * downcast (model-to-view) conversion helpers:\n\t *\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`},\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#attributeToElement `attributeToElement()`},\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#attributeToAttribute `attributeToAttribute()`}.\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToElement `markerToElement()`}.\n\t *\t* {@link module:engine/conversion/downcasthelpers~DowncastHelpers#markerToHighlight `markerToHighlight()`}.\n\t *\n\t * * upcast (view-to-model) conversion helpers:\n\t *\n\t *\t* {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToElement `elementToElement()`},\n\t *\t* {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToAttribute `elementToAttribute()`},\n\t *\t* {@link module:engine/conversion/upcasthelpers~UpcastHelpers#attributeToAttribute `attributeToAttribute()`}.\n\t *\t* {@link module:engine/conversion/upcasthelpers~UpcastHelpers#elementToMarker `elementToMarker()`}.\n\t *\n\t * # Using custom conversion helpers\n\t *\n\t * If you need to implement a nontypical converter, you can do so by calling:\n\t *\n\t *\t\teditor.conversion.for( direction ).add( customHelper );\n\t *\n\t * The `.add()` method takes exactly one parameter, which is a function. This function should accept one parameter that\n\t * is a dispatcher instance. The function should add an actual converter to the passed dispatcher instance.\n\t *\n\t * Example:\n\t *\n\t *\t\teditor.conversion.for( 'upcast' ).add( dispatcher => {\n\t *\t\t\tdispatcher.on( 'element:a',  ( evt, data, conversionApi ) => {\n\t *\t\t\t\t// Do something with a view <a> element.\n\t *\t\t\t} );\n\t *\t\t} );\n\t *\n\t * Refer to the documentation of {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher}\n\t * and {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher} to learn how to write\n\t * custom converters.\n\t *\n\t * @param {String} groupName The name of dispatchers group to add the converters to.\n\t * @returns {module:engine/conversion/downcasthelpers~DowncastHelpers|module:engine/conversion/upcasthelpers~UpcastHelpers}\n\t */\n\tfor( groupName ) {\n\t\tif ( !this._helpers.has( groupName ) ) {\n\t\t\t/**\n\t\t\t * Trying to add a converter to an unknown dispatchers group.\n\t\t\t *\n\t\t\t * @error conversion-for-unknown-group\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'conversion-for-unknown-group', this );\n\t\t}\n\n\t\treturn this._helpers.get( groupName );\n\t}\n\n\t/**\n\t * Sets up converters between the model and the view that convert a model element to a view element (and vice versa).\n\t * For example, the model `<paragraph>Foo</paragraph>` is `<p>Foo</p>` in the view.\n\t *\n\t *\t\t// A simple conversion from the `paragraph` model element to the `<p>` view element (and vice versa).\n\t *\t\teditor.conversion.elementToElement( { model: 'paragraph', view: 'p' } );\n\t *\n\t *\t\t// Override other converters by specifying a converter definition with a higher priority.\n\t *\t\teditor.conversion.elementToElement( { model: 'paragraph', view: 'div', converterPriority: 'high' } );\n\t *\n\t *\t\t// View specified as an object instead of a string.\n\t *\t\teditor.conversion.elementToElement( {\n\t *\t\t\tmodel: 'fancyParagraph',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'p',\n\t *\t\t\t\tclasses: 'fancy'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Use `upcastAlso` to define other view elements that should also be converted to a `paragraph` element.\n\t *\t\teditor.conversion.elementToElement( {\n\t *\t\t\tmodel: 'paragraph',\n\t *\t\t\tview: 'p',\n\t *\t\t\tupcastAlso: [\n\t *\t\t\t\t'div',\n\t *\t\t\t\t{\n\t *\t\t\t\t\t// Any element with the `display: block` style.\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\tdisplay: 'block'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t *\t\t// `upcastAlso` set as callback enables a conversion of a wide range of different view elements.\n\t *\t\teditor.conversion.elementToElement( {\n\t *\t\t\tmodel: 'heading',\n\t *\t\t\tview: 'h2',\n\t *\t\t\t// Convert \"heading-like\" paragraphs to headings.\n\t *\t\t\tupcastAlso: viewElement => {\n\t *\t\t\t\tconst fontSize = viewElement.getStyle( 'font-size' );\n\t *\n\t *\t\t\t\tif ( !fontSize ) {\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t}\n\t *\n\t *\t\t\t\tconst match = fontSize.match( /(\\d+)\\s*px/ );\n\t *\n\t *\t\t\t\tif ( !match ) {\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t}\n\t *\n\t *\t\t\t\tconst size = Number( match[ 1 ] );\n\t *\n\t *\t\t\t\tif ( size > 26 ) {\n\t *\t\t\t\t\t// Returned value can be an object with the matched properties.\n\t *\t\t\t\t\t// These properties will be \"consumed\" during the conversion.\n\t *\t\t\t\t\t// See `engine.view.Matcher~MatcherPattern` and `engine.view.Matcher#match` for more details.\n\t *\n\t *\t\t\t\t\treturn { name: true, styles: [ 'font-size' ] };\n\t *\t\t\t\t}\n\t *\n\t *\t\t\t\treturn null;\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * `definition.model` is a `String` with a model element name to convert from or to.\n\t * See {@link module:engine/conversion/conversion~ConverterDefinition} to learn about other parameters.\n\t *\n\t * @param {module:engine/conversion/conversion~ConverterDefinition} definition The converter definition.\n\t */\n\telementToElement( definition ) {\n\t\t// Set up downcast converter.\n\t\tthis.for( 'downcast' ).elementToElement( definition );\n\n\t\t// Set up upcast converter.\n\t\tfor ( const { model, view } of _getAllUpcastDefinitions( definition ) ) {\n\t\t\tthis.for( 'upcast' )\n\t\t\t\t.elementToElement( {\n\t\t\t\t\tmodel,\n\t\t\t\t\tview,\n\t\t\t\t\tconverterPriority: definition.converterPriority\n\t\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Sets up converters between the model and the view that convert a model attribute to a view element (and vice versa).\n\t * For example, a model text node with `\"Foo\"` as data and the `bold` attribute is `<strong>Foo</strong>` in the view.\n\t *\n\t *\t\t// A simple conversion from the `bold=true` attribute to the `<strong>` view element (and vice versa).\n\t *\t\teditor.conversion.attributeToElement( { model: 'bold', view: 'strong' } );\n\t *\n\t *\t\t// Override other converters by specifying a converter definition with a higher priority.\n\t *\t\teditor.conversion.attributeToElement( { model: 'bold', view: 'b', converterPriority: 'high' } );\n\t *\n\t *\t\t// View specified as an object instead of a string.\n\t *\t\teditor.conversion.attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: {\n\t *\t\t\t\tname: 'span',\n\t *\t\t\t\tclasses: 'bold'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Use `config.model.name` to define the conversion only from a given node type, `$text` in this case.\n\t *\t\t// The same attribute on different elements may then be handled by a different converter.\n\t *\t\teditor.conversion.attributeToElement( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'textDecoration',\n\t *\t\t\t\tvalues: [ 'underline', 'lineThrough' ],\n\t *\t\t\t\tname: '$text'\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tunderline: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'text-decoration': 'underline'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tlineThrough: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'text-decoration': 'line-through'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Use `upcastAlso` to define other view elements that should also be converted to the `bold` attribute.\n\t *\t\teditor.conversion.attributeToElement( {\n\t *\t\t\tmodel: 'bold',\n\t *\t\t\tview: 'strong',\n\t *\t\t\tupcastAlso: [\n\t *\t\t\t\t'b',\n\t *\t\t\t\t{\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tclasses: 'bold'\n\t *\t\t\t\t},\n\t *\t\t\t\t{\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-weight': 'bold'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tviewElement => {\n\t *\t\t\t\t\tconst fontWeight = viewElement.getStyle( 'font-weight' );\n\t *\n\t *\t\t\t\t\tif ( viewElement.is( 'element', 'span' ) && fontWeight && /\\d+/.test() && Number( fontWeight ) > 500 ) {\n\t *\t\t\t\t\t\t// Returned value can be an object with the matched properties.\n\t *\t\t\t\t\t\t// These properties will be \"consumed\" during the conversion.\n\t *\t\t\t\t\t\t// See `engine.view.Matcher~MatcherPattern` and `engine.view.Matcher#match` for more details.\n\t *\n\t *\t\t\t\t\t\treturn {\n\t *\t\t\t\t\t\t\tname: true,\n\t *\t\t\t\t\t\t\tstyles: [ 'font-weight' ]\n\t *\t\t\t\t\t\t};\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t *\t\t// Conversion from and to a model attribute key whose value is an enum (`fontSize=big|small`).\n\t *\t\t// `upcastAlso` set as callback enables a conversion of a wide range of different view elements.\n\t *\t\teditor.conversion.attributeToElement( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'fontSize',\n\t *\t\t\t\tvalues: [ 'big', 'small' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tbig: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-size': '1.2em'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tsmall: {\n\t *\t\t\t\t\tname: 'span',\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'font-size': '0.8em'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tupcastAlso: {\n\t *\t\t\t\tbig: viewElement => {\n\t *\t\t\t\t\tconst fontSize = viewElement.getStyle( 'font-size' );\n\t *\n\t *\t\t\t\t\tif ( !fontSize ) {\n\t *\t\t\t\t\t\treturn null;\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\tconst match = fontSize.match( /(\\d+)\\s*px/ );\n\t *\n\t *\t\t\t\t\tif ( !match ) {\n\t *\t\t\t\t\t\treturn null;\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\tconst size = Number( match[ 1 ] );\n\t *\n\t *\t\t\t\t\tif ( viewElement.is( 'element', 'span' ) && size > 10 ) {\n\t *\t\t\t\t\t\t// Returned value can be an object with the matched properties.\n\t *\t\t\t\t\t\t// These properties will be \"consumed\" during the conversion.\n\t *\t\t\t\t\t\t// See `engine.view.Matcher~MatcherPattern` and `engine.view.Matcher#match` for more details.\n\t *\n\t *\t\t\t\t\t\treturn { name: true, styles: [ 'font-size' ] };\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t},\n\t *\t\t\t\tsmall: viewElement => {\n\t *\t\t\t\t\tconst fontSize = viewElement.getStyle( 'font-size' );\n\t *\n\t *\t\t\t\t\tif ( !fontSize ) {\n\t *\t\t\t\t\t\treturn null;\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\tconst match = fontSize.match( /(\\d+)\\s*px/ );\n\t *\n\t *\t\t\t\t\tif ( !match ) {\n\t *\t\t\t\t\t\treturn null;\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\tconst size = Number( match[ 1 ] );\n\t *\n\t *\t\t\t\t\tif ( viewElement.is( 'element', 'span' ) && size < 10 ) {\n\t *\t\t\t\t\t\t// Returned value can be an object with the matched properties.\n\t *\t\t\t\t\t\t// These properties will be \"consumed\" during the conversion.\n\t *\t\t\t\t\t\t// See `engine.view.Matcher~MatcherPattern` and `engine.view.Matcher#match` for more details.\n\t *\n\t *\t\t\t\t\t\treturn { name: true, styles: [ 'font-size' ] };\n\t *\t\t\t\t\t}\n\t *\n\t *\t\t\t\t\treturn null;\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * The `definition.model` parameter specifies which model attribute should be converted from or to. It can be a `{ key, value }` object\n\t * describing the attribute key and value to convert or a `String` specifying just the attribute key (then `value` is set to `true`).\n\t * See {@link module:engine/conversion/conversion~ConverterDefinition} to learn about other parameters.\n\t *\n\t * @param {module:engine/conversion/conversion~ConverterDefinition} definition The converter definition.\n\t */\n\tattributeToElement( definition ) {\n\t\t// Set up downcast converter.\n\t\tthis.for( 'downcast' ).attributeToElement( definition );\n\n\t\t// Set up upcast converter.\n\t\tfor ( const { model, view } of _getAllUpcastDefinitions( definition ) ) {\n\t\t\tthis.for( 'upcast' )\n\t\t\t\t.elementToAttribute( {\n\t\t\t\t\tview,\n\t\t\t\t\tmodel,\n\t\t\t\t\tconverterPriority: definition.converterPriority\n\t\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Sets up converters between the model and the view that convert a model attribute to a view attribute (and vice versa). For example,\n\t * `<imageBlock src='foo.jpg'></imageBlock>` is converted to `<img src='foo.jpg'></img>` (the same attribute key and value).\n\t * This type of converters is intended to be used with {@link module:engine/model/element~Element model element} nodes.\n\t * To convert text attributes {@link module:engine/conversion/conversion~Conversion#attributeToElement `attributeToElement converter`}\n\t * should be set up.\n\t *\n\t *\t\t// A simple conversion from the `source` model attribute to the `src` view attribute (and vice versa).\n\t *\t\teditor.conversion.attributeToAttribute( { model: 'source', view: 'src' } );\n\t *\n\t *\t\t// Attribute values are strictly specified.\n\t *\t\teditor.conversion.attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tname: 'imageInline',\n\t *\t\t\t\tkey: 'aside',\n\t *\t\t\t\tvalues: [ 'aside' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\taside: {\n\t *\t\t\t\t\tname: 'img',\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: [ 'aside', 'half-size' ]\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Set the style attribute.\n\t *\t\teditor.conversion.attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tname: 'imageInline',\n\t *\t\t\t\tkey: 'aside',\n\t *\t\t\t\tvalues: [ 'aside' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\taside: {\n\t *\t\t\t\t\tname: 'img',\n\t *\t\t\t\t\tkey: 'style',\n\t *\t\t\t\t\tvalue: {\n\t *\t\t\t\t\t\tfloat: 'right',\n\t *\t\t\t\t\t\twidth: '50%',\n\t *\t\t\t\t\t\tmargin: '5px'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Conversion from and to a model attribute key whose value is an enum (`align=right|center`).\n\t *\t\t// Use `upcastAlso` to define other view elements that should also be converted to the `align=right` attribute.\n\t *\t\teditor.conversion.attributeToAttribute( {\n\t *\t\t\tmodel: {\n\t *\t\t\t\tkey: 'align',\n\t *\t\t\t\tvalues: [ 'right', 'center' ]\n\t *\t\t\t},\n\t *\t\t\tview: {\n\t *\t\t\t\tright: {\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: 'align-right'\n\t *\t\t\t\t},\n\t *\t\t\t\tcenter: {\n\t *\t\t\t\t\tkey: 'class',\n\t *\t\t\t\t\tvalue: 'align-center'\n\t *\t\t\t\t}\n\t *\t\t\t},\n\t *\t\t\tupcastAlso: {\n\t *\t\t\t\tright: {\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'text-align': 'right'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t},\n\t *\t\t\t\tcenter: {\n\t *\t\t\t\t\tstyles: {\n\t *\t\t\t\t\t\t'text-align': 'center'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * The `definition.model` parameter specifies which model attribute should be converted from and to.\n\t * It can be a `{ key, [ values ], [ name ] }` object or a `String`, which will be treated like `{ key: definition.model }`.\n\t * The `key` property is the model attribute key to convert from and to.\n\t * The `values` are the possible model attribute values. If `values` is not set, the model attribute value will be the same as the\n\t * view attribute value.\n\t * If `name` is set, the conversion will be set up only for model elements with the given name.\n\t *\n\t * The `definition.view` parameter specifies which view attribute should be converted from and to.\n\t * It can be a `{ key, value, [ name ] }` object or a `String`, which will be treated like `{ key: definition.view }`.\n\t * The `key` property is the view attribute key to convert from and to.\n\t * The `value` is the view attribute value to convert from and to. If `definition.value` is not set, the view attribute value will be\n\t * the same as the model attribute value.\n\t * If `key` is `'class'`, `value` can be a `String` or an array of `String`s.\n\t * If `key` is `'style'`, `value` is an object with key-value pairs.\n\t * In other cases, `value` is a `String`.\n\t * If `name` is set, the conversion will be set up only for model elements with the given name.\n\t * If `definition.model.values` is set, `definition.view` is an object that assigns values from `definition.model.values`\n\t * to `{ key, value, [ name ] }` objects.\n\t *\n\t * `definition.upcastAlso` specifies which other matching view elements should also be upcast to the given model configuration.\n\t * If `definition.model.values` is set, `definition.upcastAlso` should be an object assigning values from `definition.model.values`\n\t * to {@link module:engine/view/matcher~MatcherPattern}s or arrays of {@link module:engine/view/matcher~MatcherPattern}s.\n\t *\n\t * **Note:** `definition.model` and `definition.view` form should be mirrored, so the same types of parameters should\n\t * be given in both parameters.\n\t *\n\t * @param {Object} definition The converter definition.\n\t * @param {String|Object} definition.model The model attribute to convert from and to.\n\t * @param {String|Object} definition.view The view attribute to convert from and to.\n\t * @param {module:engine/view/matcher~MatcherPattern|Array.<module:engine/view/matcher~MatcherPattern>} [definition.upcastAlso]\n\t * Any view element matching `definition.upcastAlso` will also be converted to the given model attribute. `definition.upcastAlso`\n\t * is used only if `config.model.values` is specified.\n\t */\n\tattributeToAttribute( definition ) {\n\t\t// Set up downcast converter.\n\t\tthis.for( 'downcast' ).attributeToAttribute( definition );\n\n\t\t// Set up upcast converter.\n\t\tfor ( const { model, view } of _getAllUpcastDefinitions( definition ) ) {\n\t\t\tthis.for( 'upcast' )\n\t\t\t\t.attributeToAttribute( {\n\t\t\t\t\tview,\n\t\t\t\t\tmodel\n\t\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Creates and caches conversion helpers for given dispatchers group.\n\t *\n\t * @private\n\t * @param {Object} options\n\t * @param {String} options.name Group name.\n\t * @param {Array.<module:engine/conversion/downcastdispatcher~DowncastDispatcher|\n\t * module:engine/conversion/upcastdispatcher~UpcastDispatcher>} options.dispatchers\n\t * @param {Boolean} options.isDowncast\n\t */\n\t_createConversionHelpers( { name, dispatchers, isDowncast } ) {\n\t\tif ( this._helpers.has( name ) ) {\n\t\t\t/**\n\t\t\t * Trying to register a group name that has already been registered.\n\t\t\t *\n\t\t\t * @error conversion-group-exists\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'conversion-group-exists', this );\n\t\t}\n\n\t\tconst helpers = isDowncast ? new DowncastHelpers( dispatchers ) : new UpcastHelpers( dispatchers );\n\n\t\tthis._helpers.set( name, helpers );\n\t}\n}\n\n/**\n * Defines how the model should be converted from and to the view.\n *\n * @typedef {Object} module:engine/conversion/conversion~ConverterDefinition\n *\n * @property {*} [model] The model conversion definition. Describes the model element or model attribute to convert. This parameter differs\n * for different functions that accept `ConverterDefinition`. See the description of the function to learn how to set it.\n * @property {module:engine/view/elementdefinition~ElementDefinition|Object} view The definition of the view element to convert from and\n * to. If `model` describes multiple values, `view` is an object that assigns these values (`view` object keys) to view element definitions\n * (`view` object values).\n * @property {module:engine/view/matcher~MatcherPattern|Array.<module:engine/view/matcher~MatcherPattern>} [upcastAlso]\n * Any view element matching `upcastAlso` will also be converted to the model. If `model` describes multiple values, `upcastAlso`\n * is an object that assigns these values (`upcastAlso` object keys) to {@link module:engine/view/matcher~MatcherPattern}s\n * (`upcastAlso` object values).\n * @property {module:utils/priorities~PriorityString} [converterPriority] The converter priority.\n */\n\n// Helper function that creates a joint array out of an item passed in `definition.view` and items passed in\n// `definition.upcastAlso`.\n//\n// @param {module:engine/conversion/conversion~ConverterDefinition} definition\n// @returns {Array} Array containing view definitions.\nfunction* _getAllUpcastDefinitions( definition ) {\n\tif ( definition.model.values ) {\n\t\tfor ( const value of definition.model.values ) {\n\t\t\tconst model = { key: definition.model.key, value };\n\t\t\tconst view = definition.view[ value ];\n\t\t\tconst upcastAlso = definition.upcastAlso ? definition.upcastAlso[ value ] : undefined;\n\n\t\t\tyield* _getUpcastDefinition( model, view, upcastAlso );\n\t\t}\n\t} else {\n\t\tyield* _getUpcastDefinition( definition.model, definition.view, definition.upcastAlso );\n\t}\n}\n\nfunction* _getUpcastDefinition( model, view, upcastAlso ) {\n\tyield { model, view };\n\n\tif ( upcastAlso ) {\n\t\tfor ( const upcastAlsoItem of toArray( upcastAlso ) ) {\n\t\t\tyield { model, view: upcastAlsoItem };\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/batch\n */\n\nimport { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * A batch instance groups model changes ({@link module:engine/model/operation/operation~Operation operations}). All operations\n * grouped in a single batch can be reverted together, so you can also think about a batch as of a single undo step. If you want\n * to extend a given undo step, you can add more changes to the batch using {@link module:engine/model/model~Model#enqueueChange}:\n *\n *\t\tmodel.enqueueChange( batch, writer => {\n *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n *\t\t} );\n *\n * @see module:engine/model/model~Model#enqueueChange\n * @see module:engine/model/model~Model#change\n */\nexport default class Batch {\n\t/**\n\t * Creates a batch instance.\n\t *\n\t * @see module:engine/model/model~Model#enqueueChange\n\t * @see module:engine/model/model~Model#change\n\t * @param {Object} [type] Set of flags that specifies the type of the batch. Batch type can alter how some of the features work when\n\t * encountering given `Batch` instance (for example, when a feature listens to applied operations).\n\t * @param {Boolean} [type.isUndoable=true] Whether batch can be undone through undo feature.\n\t * @param {Boolean} [type.isLocal=true] Whether batch includes operations created locally (`true`) or operations created on\n\t * other, remote editors (`false`).\n\t * @param {Boolean} [type.isUndo=false] Whether batch was created by the undo feature and undoes other operations.\n\t * @param {Boolean} [type.isTyping=false] Whether batch includes operations connected with typing action.\n\t */\n\tconstructor( type = {} ) {\n\t\tif ( typeof type === 'string' ) {\n\t\t\ttype = type === 'transparent' ? { isUndoable: false } : {};\n\n\t\t\t/**\n\t\t\t * The string value for `type` property of the `Batch` constructor has been deprecated and will be removed in the near future.\n\t\t\t * Please refer to the {@link module:engine/model/batch~Batch#constructor `Batch` constructor API documentation} for more\n\t\t\t * information.\n\t\t\t *\n\t\t\t * @error batch-constructor-deprecated-string-type\n\t\t\t */\n\t\t\tlogWarning( 'batch-constructor-deprecated-string-type' );\n\t\t}\n\n\t\tconst { isUndoable = true, isLocal = true, isUndo = false, isTyping = false } = type;\n\n\t\t/**\n\t\t * An array of operations that compose this batch.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Array.<module:engine/model/operation/operation~Operation>}\n\t\t */\n\t\tthis.operations = [];\n\n\t\t/**\n\t\t * Whether batch can be undone through the undo feature.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis.isUndoable = isUndoable;\n\n\t\t/**\n\t\t * Whether batch includes operations created locally (`true`) or operations created on other, remote editors (`false`).\n\t\t *\n\t\t * @readonly\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis.isLocal = isLocal;\n\n\t\t/**\n\t\t * Whether batch was created by the undo feature and undoes other operations.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis.isUndo = isUndo;\n\n\t\t/**\n\t\t * Whether batch includes operations connected with typing.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis.isTyping = isTyping;\n\t}\n\n\t/**\n\t * The type of the batch.\n\t *\n\t * **This property has been deprecated and is always set to `'default'` value.**\n\t *\n\t * It can be one of the following values:\n\t * * `'default'` &ndash; All \"normal\" batches. This is the most commonly used type.\n\t * * `'transparent'` &ndash; A batch that should be ignored by other features, i.e. an initial batch or collaborative editing\n\t * changes.\n\t *\n\t * @deprecated\n\t * @type {'default'}\n\t */\n\tget type() {\n\t\t/**\n\t\t * The {@link module:engine/model/batch~Batch#type `Batch#type` } property has been deprecated and will be removed in the near\n\t\t * future. Use `Batch#isLocal`, `Batch#isUndoable`, `Batch#isUndo` and `Batch#isTyping` instead.\n\t\t *\n\t\t * @error batch-type-deprecated\n\t\t */\n\t\tlogWarning( 'batch-type-deprecated' );\n\n\t\treturn 'default';\n\t}\n\n\t/**\n\t * Returns the base version of this batch, which is equal to the base version of the first operation in the batch.\n\t * If there are no operations in the batch or neither operation has the base version set, it returns `null`.\n\t *\n\t * @readonly\n\t * @type {Number|null}\n\t */\n\tget baseVersion() {\n\t\tfor ( const op of this.operations ) {\n\t\t\tif ( op.baseVersion !== null ) {\n\t\t\t\treturn op.baseVersion;\n\t\t\t}\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Adds an operation to the batch instance.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation An operation to add.\n\t * @returns {module:engine/model/operation/operation~Operation} The added operation.\n\t */\n\taddOperation( operation ) {\n\t\toperation.batch = this;\n\t\tthis.operations.push( operation );\n\n\t\treturn operation;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/operation\n */\n\n/**\n * Abstract base operation class.\n *\n * @abstract\n */\nexport default class Operation {\n\t/**\n\t * Base operation constructor.\n\t *\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( baseVersion ) {\n\t\t/**\n\t\t * {@link module:engine/model/document~Document#version} on which operation can be applied. If you try to\n\t\t * {@link module:engine/model/model~Model#applyOperation apply} operation with different base version than the\n\t\t * {@link module:engine/model/document~Document#version document version} the\n\t\t * {@link module:utils/ckeditorerror~CKEditorError model-document-applyOperation-wrong-version} error is thrown.\n\t\t *\n\t\t * @member {Number}\n\t\t */\n\t\tthis.baseVersion = baseVersion;\n\n\t\t/**\n\t\t * Defines whether operation is executed on attached or detached {@link module:engine/model/item~Item items}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isDocumentOperation\n\t\t */\n\t\tthis.isDocumentOperation = this.baseVersion !== null;\n\n\t\t/**\n\t\t * {@link module:engine/model/batch~Batch Batch} to which the operation is added or `null` if the operation is not\n\t\t * added to any batch yet.\n\t\t *\n\t\t * @member {module:engine/model/batch~Batch|null} #batch\n\t\t */\n\t\tthis.batch = null;\n\n\t\t/**\n\t\t * Operation type.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} #type\n\t\t */\n\n\t\t/**\n\t\t * Creates and returns an operation that has the same parameters as this operation.\n\t\t *\n\t\t * @method #clone\n\t\t * @returns {module:engine/model/operation/operation~Operation} Clone of this operation.\n\t\t */\n\n\t\t/**\n\t\t * Creates and returns a reverse operation. Reverse operation when executed right after\n\t\t * the original operation will bring back tree model state to the point before the original\n\t\t * operation execution. In other words, it reverses changes done by the original operation.\n\t\t *\n\t\t * Keep in mind that tree model state may change since executing the original operation,\n\t\t * so reverse operation will be \"outdated\". In that case you will need to transform it by\n\t\t * all operations that were executed after the original operation.\n\t\t *\n\t\t * @method #getReversed\n\t\t * @returns {module:engine/model/operation/operation~Operation} Reversed operation.\n\t\t */\n\n\t\t/**\n\t\t * Executes the operation - modifications described by the operation properties will be applied to the model tree.\n\t\t *\n\t\t * @protected\n\t\t * @method #_execute\n\t\t */\n\t}\n\n\t/**\n\t * Checks whether the operation's parameters are correct and the operation can be correctly executed. Throws\n\t * an error if operation is not valid.\n\t *\n\t * @protected\n\t * @method #_validate\n\t */\n\t_validate() {\n\t}\n\n\t/**\n\t * Custom toJSON method to solve child-parent circular dependencies.\n\t *\n\t * @method #toJSON\n\t * @returns {Object} Clone of this object with the operation property replaced with string.\n\t */\n\ttoJSON() {\n\t\t// This method creates only a shallow copy, all nested objects should be defined separately.\n\t\t// See https://github.com/ckeditor/ckeditor5-engine/issues/1477.\n\t\tconst json = Object.assign( {}, this );\n\n\t\tjson.__className = this.constructor.className;\n\n\t\t// Remove reference to the parent `Batch` to avoid circular dependencies.\n\t\tdelete json.batch;\n\n\t\t// Only document operations are shared with other clients so it is not necessary to keep this information.\n\t\tdelete json.isDocumentOperation;\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Name of the operation class used for serialization.\n\t *\n\t * @type {String}\n\t */\n\tstatic get className() {\n\t\treturn 'Operation';\n\t}\n\n\t/**\n\t * Creates Operation object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} doc Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/operation~Operation}\n\t */\n\tstatic fromJSON( json ) {\n\t\treturn new this( json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.toString() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module module:engine/model/documentfragment\n */\n\nimport NodeList from './nodelist';\nimport Element from './element';\nimport Text from './text';\nimport TextProxy from './textproxy';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\n\n// @if CK_DEBUG_ENGINE // const { stringifyMap } = require( '../dev-utils/utils' );\n\n/**\n * DocumentFragment represents a part of model which does not have a common root but its top-level nodes\n * can be seen as siblings. In other words, it is a detached part of model tree, without a root.\n *\n * DocumentFragment has own {@link module:engine/model/markercollection~MarkerCollection}. Markers from this collection\n * will be set to the {@link module:engine/model/model~Model#markers model markers} by a\n * {@link module:engine/model/writer~Writer#insert} function.\n */\nexport default class DocumentFragment {\n\t/**\n\t * Creates an empty `DocumentFragment`.\n\t *\n\t * **Note:** Constructor of this class shouldn't be used directly in the code.\n\t * Use the {@link module:engine/model/writer~Writer#createDocumentFragment} method instead.\n\t *\n\t * @protected\n\t * @param {module:engine/model/node~Node|Iterable.<module:engine/model/node~Node>} [children]\n\t * Nodes to be contained inside the `DocumentFragment`.\n\t */\n\tconstructor( children ) {\n\t\t/**\n\t\t * DocumentFragment static markers map. This is a list of names and {@link module:engine/model/range~Range ranges}\n\t\t * which will be set as Markers to {@link module:engine/model/model~Model#markers model markers collection}\n\t\t * when DocumentFragment will be inserted to the document.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Map<String,module:engine/model/range~Range>} module:engine/model/documentfragment~DocumentFragment#markers\n\t\t */\n\t\tthis.markers = new Map();\n\n\t\t/**\n\t\t * List of nodes contained inside the document fragment.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/nodelist~NodeList} module:engine/model/documentfragment~DocumentFragment#_children\n\t\t */\n\t\tthis._children = new NodeList();\n\n\t\tif ( children ) {\n\t\t\tthis._insertChild( 0, children );\n\t\t}\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all nodes contained inside this document fragment.\n\t *\n\t * @returns {Iterable.<module:engine/model/node~Node>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this.getChildren();\n\t}\n\n\t/**\n\t * Number of this document fragment's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget childCount() {\n\t\treturn this._children.length;\n\t}\n\n\t/**\n\t * Sum of {@link module:engine/model/node~Node#offsetSize offset sizes} of all of this document fragment's children.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget maxOffset() {\n\t\treturn this._children.maxOffset;\n\t}\n\n\t/**\n\t * Is `true` if there are no nodes inside this document fragment, `false` otherwise.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this.childCount === 0;\n\t}\n\n\t/**\n\t * Artificial root of `DocumentFragment`. Returns itself. Added for compatibility reasons.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tget root() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Artificial parent of `DocumentFragment`. Returns `null`. Added for compatibility reasons.\n\t *\n\t * @readonly\n\t * @type {null}\n\t */\n\tget parent() {\n\t\treturn null;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given type.\n\t *\n\t *\t\tdocFrag.is( 'documentFragment' ); // -> true\n\t *\t\tdocFrag.is( 'model:documentFragment' ); // -> true\n\t *\n\t *\t\tdocFrag.is( 'view:documentFragment' ); // -> false\n\t *\t\tdocFrag.is( 'element' ); // -> false\n\t *\t\tdocFrag.is( 'node' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'documentFragment' || type === 'model:documentFragment';\n\t}\n\n\t/**\n\t * Gets the child at the given index. Returns `null` if incorrect index was passed.\n\t *\n\t * @param {Number} index Index of child.\n\t * @returns {module:engine/model/node~Node|null} Child node.\n\t */\n\tgetChild( index ) {\n\t\treturn this._children.getNode( index );\n\t}\n\n\t/**\n\t * Returns an iterator that iterates over all of this document fragment's children.\n\t *\n\t * @returns {Iterable.<module:engine/model/node~Node>}\n\t */\n\tgetChildren() {\n\t\treturn this._children[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Returns an index of the given child node. Returns `null` if given node is not a child of this document fragment.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number|null} Child node's index.\n\t */\n\tgetChildIndex( node ) {\n\t\treturn this._children.getNodeIndex( node );\n\t}\n\n\t/**\n\t * Returns the starting offset of given child. Starting offset is equal to the sum of\n\t * {@link module:engine/model/node~Node#offsetSize offset sizes} of all node's siblings that are before it. Returns `null` if\n\t * given node is not a child of this document fragment.\n\t *\n\t * @param {module:engine/model/node~Node} node Child node to look for.\n\t * @returns {Number|null} Child node's starting offset.\n\t */\n\tgetChildStartOffset( node ) {\n\t\treturn this._children.getNodeStartOffset( node );\n\t}\n\n\t/**\n\t * Returns path to a `DocumentFragment`, which is an empty array. Added for compatibility reasons.\n\t *\n\t * @returns {Array}\n\t */\n\tgetPath() {\n\t\treturn [];\n\t}\n\n\t/**\n\t * Returns a descendant node by its path relative to this element.\n\t *\n\t *\t\t// <this>a<b>c</b></this>\n\t *\t\tthis.getNodeByPath( [ 0 ] );     // -> \"a\"\n\t *\t\tthis.getNodeByPath( [ 1 ] );     // -> <b>\n\t *\t\tthis.getNodeByPath( [ 1, 0 ] );  // -> \"c\"\n\t *\n\t * @param {Array.<Number>} relativePath Path of the node to find, relative to this element.\n\t * @returns {module:engine/model/node~Node|module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tgetNodeByPath( relativePath ) {\n\t\tlet node = this; // eslint-disable-line consistent-this\n\n\t\tfor ( const index of relativePath ) {\n\t\t\tnode = node.getChild( node.offsetToIndex( index ) );\n\t\t}\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Converts offset \"position\" to index \"position\".\n\t *\n\t * Returns index of a node that occupies given offset. If given offset is too low, returns `0`. If given offset is\n\t * too high, returns index after last child}.\n\t *\n\t *\t\tconst textNode = new Text( 'foo' );\n\t *\t\tconst pElement = new Element( 'p' );\n\t *\t\tconst docFrag = new DocumentFragment( [ textNode, pElement ] );\n\t *\t\tdocFrag.offsetToIndex( -1 ); // Returns 0, because offset is too low.\n\t *\t\tdocFrag.offsetToIndex( 0 ); // Returns 0, because offset 0 is taken by `textNode` which is at index 0.\n\t *\t\tdocFrag.offsetToIndex( 1 ); // Returns 0, because `textNode` has `offsetSize` equal to 3, so it occupies offset 1 too.\n\t *\t\tdocFrag.offsetToIndex( 2 ); // Returns 0.\n\t *\t\tdocFrag.offsetToIndex( 3 ); // Returns 1.\n\t *\t\tdocFrag.offsetToIndex( 4 ); // Returns 2. There are no nodes at offset 4, so last available index is returned.\n\t *\n\t * @param {Number} offset Offset to look for.\n\t * @returns {Number} Index of a node that occupies given offset.\n\t */\n\toffsetToIndex( offset ) {\n\t\treturn this._children.offsetToIndex( offset );\n\t}\n\n\t/**\n\t * Converts `DocumentFragment` instance to plain object and returns it.\n\t * Takes care of converting all of this document fragment's children.\n\t *\n\t * @returns {Object} `DocumentFragment` instance converted to plain object.\n\t */\n\ttoJSON() {\n\t\tconst json = [];\n\n\t\tfor ( const node of this._children ) {\n\t\t\tjson.push( node.toJSON() );\n\t\t}\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Creates a `DocumentFragment` instance from given plain object (i.e. parsed JSON string).\n\t * Converts `DocumentFragment` children to proper nodes.\n\t *\n\t * @param {Object} json Plain object to be converted to `DocumentFragment`.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} `DocumentFragment` instance created using given plain object.\n\t */\n\tstatic fromJSON( json ) {\n\t\tconst children = [];\n\n\t\tfor ( const child of json ) {\n\t\t\tif ( child.name ) {\n\t\t\t\t// If child has name property, it is an Element.\n\t\t\t\tchildren.push( Element.fromJSON( child ) );\n\t\t\t} else {\n\t\t\t\t// Otherwise, it is a Text node.\n\t\t\t\tchildren.push( Text.fromJSON( child ) );\n\t\t\t}\n\t\t}\n\n\t\treturn new DocumentFragment( children );\n\t}\n\n\t/**\n\t * {@link #_insertChild Inserts} one or more nodes at the end of this document fragment.\n\t *\n\t * @protected\n\t * @param {module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>} items Items to be inserted.\n\t */\n\t_appendChild( items ) {\n\t\tthis._insertChild( this.childCount, items );\n\t}\n\n\t/**\n\t * Inserts one or more nodes at the given index and sets {@link module:engine/model/node~Node#parent parent} of these nodes\n\t * to this document fragment.\n\t *\n\t * @protected\n\t * @param {Number} index Index at which nodes should be inserted.\n\t * @param {module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>} items Items to be inserted.\n\t */\n\t_insertChild( index, items ) {\n\t\tconst nodes = normalize( items );\n\n\t\tfor ( const node of nodes ) {\n\t\t\t// If node that is being added to this element is already inside another element, first remove it from the old parent.\n\t\t\tif ( node.parent !== null ) {\n\t\t\t\tnode._remove();\n\t\t\t}\n\n\t\t\tnode.parent = this;\n\t\t}\n\n\t\tthis._children._insertNodes( index, nodes );\n\t}\n\n\t/**\n\t * Removes one or more nodes starting at the given index\n\t * and sets {@link module:engine/model/node~Node#parent parent} of these nodes to `null`.\n\t *\n\t * @protected\n\t * @param {Number} index Index of the first node to remove.\n\t * @param {Number} [howMany=1] Number of nodes to remove.\n\t * @returns {Array.<module:engine/model/node~Node>} Array containing removed nodes.\n\t */\n\t_removeChildren( index, howMany = 1 ) {\n\t\tconst nodes = this._children._removeNodes( index, howMany );\n\n\t\tfor ( const node of nodes ) {\n\t\t\tnode.parent = null;\n\t\t}\n\n\t\treturn nodes;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn 'documentFragment';\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelDocumentFragment: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // printTree() {\n\t// @if CK_DEBUG_ENGINE //\tlet string = 'ModelDocumentFragment: [';\n\n\t// @if CK_DEBUG_ENGINE //\tfor ( const child of this.getChildren() ) {\n\t// @if CK_DEBUG_ENGINE //\t\tstring += '\\n';\n\n\t// @if CK_DEBUG_ENGINE //\t\tif ( child.is( '$text' ) ) {\n\t// @if CK_DEBUG_ENGINE //\t\t\tconst textAttrs = stringifyMap( child._attrs );\n\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += '\\t'.repeat( 1 );\n\n\t// @if CK_DEBUG_ENGINE //\t\t\tif ( textAttrs !== '' ) {\n\t// @if CK_DEBUG_ENGINE //\t\t\t\tstring += `<$text${ textAttrs }>` + child.data + '</$text>';\n\t// @if CK_DEBUG_ENGINE //\t\t\t} else {\n\t// @if CK_DEBUG_ENGINE //\t\t\t\tstring += child.data;\n\t// @if CK_DEBUG_ENGINE //\t\t\t}\n\t// @if CK_DEBUG_ENGINE //\t\t} else {\n\t// @if CK_DEBUG_ENGINE //\t\t\tstring += child.printTree( 1 );\n\t// @if CK_DEBUG_ENGINE //\t\t}\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\tstring += '\\n]';\n\n\t// @if CK_DEBUG_ENGINE //\treturn string;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // logTree() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( this.printTree() );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n// Converts strings to Text and non-iterables to arrays.\n//\n// @param {String|module:engine/model/item~Item|Iterable.<module:engine/model/item~Item>}\n// @returns {Iterable.<module:engine/model/node~Node>}\nfunction normalize( nodes ) {\n\t// Separate condition because string is iterable.\n\tif ( typeof nodes == 'string' ) {\n\t\treturn [ new Text( nodes ) ];\n\t}\n\n\tif ( !isIterable( nodes ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Array.from to enable .map() on non-arrays.\n\treturn Array.from( nodes )\n\t\t.map( node => {\n\t\t\tif ( typeof node == 'string' ) {\n\t\t\t\treturn new Text( node );\n\t\t\t}\n\n\t\t\tif ( node instanceof TextProxy ) {\n\t\t\t\treturn new Text( node.data, node.getAttributes() );\n\t\t\t}\n\n\t\t\treturn node;\n\t\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/utils\n */\n\nimport Node from '../node';\nimport Text from '../text';\nimport TextProxy from '../textproxy';\nimport Range from '../range';\nimport DocumentFragment from '../documentfragment';\nimport NodeList from '../nodelist';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Contains functions used for composing model tree by {@link module:engine/model/operation/operation~Operation operations}.\n * Those functions are built on top of {@link module:engine/model/node~Node node}, and it's child classes', APIs.\n *\n * @protected\n * @namespace utils\n */\n\n/**\n * Inserts given nodes at given position.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils.insert\n * @param {module:engine/model/position~Position} position Position at which nodes should be inserted.\n * @param {module:engine/model/node~NodeSet} nodes Nodes to insert.\n * @returns {module:engine/model/range~Range} Range spanning over inserted elements.\n */\nexport function _insert( position, nodes ) {\n\tnodes = _normalizeNodes( nodes );\n\n\t// We have to count offset before inserting nodes because they can get merged and we would get wrong offsets.\n\tconst offset = nodes.reduce( ( sum, node ) => sum + node.offsetSize, 0 );\n\tconst parent = position.parent;\n\n\t// Insertion might be in a text node, we should split it if that's the case.\n\t_splitNodeAtPosition( position );\n\tconst index = position.index;\n\n\t// Insert nodes at given index. After splitting we have a proper index and insertion is between nodes,\n\t// using basic `Element` API.\n\tparent._insertChild( index, nodes );\n\n\t// Merge text nodes, if possible. Merging is needed only at points where inserted nodes \"touch\" \"old\" nodes.\n\t_mergeNodesAtIndex( parent, index + nodes.length );\n\t_mergeNodesAtIndex( parent, index );\n\n\treturn new Range( position, position.getShiftedBy( offset ) );\n}\n\n/**\n * Removed nodes in given range. Only {@link module:engine/model/range~Range#isFlat flat} ranges are accepted.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils._remove\n * @param {module:engine/model/range~Range} range Range containing nodes to remove.\n * @returns {Array.<module:engine/model/node~Node>}\n */\nexport function _remove( range ) {\n\tif ( !range.isFlat ) {\n\t\t/**\n\t\t * Trying to remove a range which starts and ends in different element.\n\t\t *\n\t\t * @error operation-utils-remove-range-not-flat\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'operation-utils-remove-range-not-flat',\n\t\t\tthis\n\t\t);\n\t}\n\n\tconst parent = range.start.parent;\n\n\t// Range may be inside text nodes, we have to split them if that's the case.\n\t_splitNodeAtPosition( range.start );\n\t_splitNodeAtPosition( range.end );\n\n\t// Remove the text nodes using basic `Element` API.\n\tconst removed = parent._removeChildren( range.start.index, range.end.index - range.start.index );\n\n\t// Merge text nodes, if possible. After some nodes were removed, node before and after removed range will be\n\t// touching at the position equal to the removed range beginning. We check merging possibility there.\n\t_mergeNodesAtIndex( parent, range.start.index );\n\n\treturn removed;\n}\n\n/**\n * Moves nodes in given range to given target position. Only {@link module:engine/model/range~Range#isFlat flat} ranges are accepted.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils.move\n * @param {module:engine/model/range~Range} sourceRange Range containing nodes to move.\n * @param {module:engine/model/position~Position} targetPosition Position to which nodes should be moved.\n * @returns {module:engine/model/range~Range} Range containing moved nodes.\n */\nexport function _move( sourceRange, targetPosition ) {\n\tif ( !sourceRange.isFlat ) {\n\t\t/**\n\t\t * Trying to move a range which starts and ends in different element.\n\t\t *\n\t\t * @error operation-utils-move-range-not-flat\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'operation-utils-move-range-not-flat',\n\t\t\tthis\n\t\t);\n\t}\n\n\tconst nodes = _remove( sourceRange );\n\n\t// We have to fix `targetPosition` because model changed after nodes from `sourceRange` got removed and\n\t// that change might have an impact on `targetPosition`.\n\ttargetPosition = targetPosition._getTransformedByDeletion( sourceRange.start, sourceRange.end.offset - sourceRange.start.offset );\n\n\treturn _insert( targetPosition, nodes );\n}\n\n/**\n * Sets given attribute on nodes in given range. The attributes are only set on top-level nodes of the range, not on its children.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils._setAttribute\n * @param {module:engine/model/range~Range} range Range containing nodes that should have the attribute set. Must be a flat range.\n * @param {String} key Key of attribute to set.\n * @param {*} value Attribute value.\n */\nexport function _setAttribute( range, key, value ) {\n\t// Range might start or end in text nodes, so we have to split them.\n\t_splitNodeAtPosition( range.start );\n\t_splitNodeAtPosition( range.end );\n\n\t// Iterate over all items in the range.\n\tfor ( const item of range.getItems( { shallow: true } ) ) {\n\t\t// Iterator will return `TextProxy` instances but we know that those text proxies will\n\t\t// always represent full text nodes (this is guaranteed thanks to splitting we did before).\n\t\t// So, we can operate on those text proxies' text nodes.\n\t\tconst node = item.is( '$textProxy' ) ? item.textNode : item;\n\n\t\tif ( value !== null ) {\n\t\t\tnode._setAttribute( key, value );\n\t\t} else {\n\t\t\tnode._removeAttribute( key );\n\t\t}\n\n\t\t// After attributes changing it may happen that some text nodes can be merged. Try to merge with previous node.\n\t\t_mergeNodesAtIndex( node.parent, node.index );\n\t}\n\n\t// Try to merge last changed node with it's previous sibling (not covered by the loop above).\n\t_mergeNodesAtIndex( range.end.parent, range.end.index );\n}\n\n/**\n * Normalizes given object or an array of objects to an array of {@link module:engine/model/node~Node nodes}. See\n * {@link module:engine/model/node~NodeSet NodeSet} for details on how normalization is performed.\n *\n * @protected\n * @function module:engine/model/operation/utils~utils.normalizeNodes\n * @param {module:engine/model/node~NodeSet} nodes Objects to normalize.\n * @returns {Array.<module:engine/model/node~Node>} Normalized nodes.\n */\nexport function _normalizeNodes( nodes ) {\n\tconst normalized = [];\n\n\tif ( !( nodes instanceof Array ) ) {\n\t\tnodes = [ nodes ];\n\t}\n\n\t// Convert instances of classes other than Node.\n\tfor ( let i = 0; i < nodes.length; i++ ) {\n\t\tif ( typeof nodes[ i ] == 'string' ) {\n\t\t\tnormalized.push( new Text( nodes[ i ] ) );\n\t\t} else if ( nodes[ i ] instanceof TextProxy ) {\n\t\t\tnormalized.push( new Text( nodes[ i ].data, nodes[ i ].getAttributes() ) );\n\t\t} else if ( nodes[ i ] instanceof DocumentFragment || nodes[ i ] instanceof NodeList ) {\n\t\t\tfor ( const child of nodes[ i ] ) {\n\t\t\t\tnormalized.push( child );\n\t\t\t}\n\t\t} else if ( nodes[ i ] instanceof Node ) {\n\t\t\tnormalized.push( nodes[ i ] );\n\t\t}\n\t\t// Skip unrecognized type.\n\t}\n\n\t// Merge text nodes.\n\tfor ( let i = 1; i < normalized.length; i++ ) {\n\t\tconst node = normalized[ i ];\n\t\tconst prev = normalized[ i - 1 ];\n\n\t\tif ( node instanceof Text && prev instanceof Text && _haveSameAttributes( node, prev ) ) {\n\t\t\t// Doing this instead changing `prev.data` because `data` is readonly.\n\t\t\tnormalized.splice( i - 1, 2, new Text( prev.data + node.data, prev.getAttributes() ) );\n\t\t\ti--;\n\t\t}\n\t}\n\n\treturn normalized;\n}\n\n// Checks if nodes before and after given index in given element are {@link module:engine/model/text~Text text nodes} and\n// merges them into one node if they have same attributes.\n//\n// Merging is done by removing two text nodes and inserting a new text node containing data from both merged text nodes.\n//\n// @private\n// @param {module:engine/model/element~Element} element Parent element of nodes to merge.\n// @param {Number} index Index between nodes to merge.\nfunction _mergeNodesAtIndex( element, index ) {\n\tconst nodeBefore = element.getChild( index - 1 );\n\tconst nodeAfter = element.getChild( index );\n\n\t// Check if both of those nodes are text objects with same attributes.\n\tif ( nodeBefore && nodeAfter && nodeBefore.is( '$text' ) && nodeAfter.is( '$text' ) && _haveSameAttributes( nodeBefore, nodeAfter ) ) {\n\t\t// Append text of text node after index to the before one.\n\t\tconst mergedNode = new Text( nodeBefore.data + nodeAfter.data, nodeBefore.getAttributes() );\n\n\t\t// Remove separate text nodes.\n\t\telement._removeChildren( index - 1, 2 );\n\n\t\t// Insert merged text node.\n\t\telement._insertChild( index - 1, mergedNode );\n\t}\n}\n\n// Checks if given position is in a text node, and if so, splits the text node in two text nodes, each of them\n// containing a part of original text node.\n//\n// @private\n// @param {module:engine/model/position~Position} position Position at which node should be split.\nfunction _splitNodeAtPosition( position ) {\n\tconst textNode = position.textNode;\n\tconst element = position.parent;\n\n\tif ( textNode ) {\n\t\tconst offsetDiff = position.offset - textNode.startOffset;\n\t\tconst index = textNode.index;\n\n\t\telement._removeChildren( index, 1 );\n\n\t\tconst firstPart = new Text( textNode.data.substr( 0, offsetDiff ), textNode.getAttributes() );\n\t\tconst secondPart = new Text( textNode.data.substr( offsetDiff ), textNode.getAttributes() );\n\n\t\telement._insertChild( index, [ firstPart, secondPart ] );\n\t}\n}\n\n// Checks whether two given nodes have same attributes.\n//\n// @private\n// @param {module:engine/model/node~Node} nodeA Node to check.\n// @param {module:engine/model/node~Node} nodeB Node to check.\n// @returns {Boolean} `true` if nodes have same attributes, `false` otherwise.\nfunction _haveSameAttributes( nodeA, nodeB ) {\n\tconst iteratorA = nodeA.getAttributes();\n\tconst iteratorB = nodeB.getAttributes();\n\n\tfor ( const attr of iteratorA ) {\n\t\tif ( attr[ 1 ] !== nodeB.getAttribute( attr[ 0 ] ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\titeratorB.next();\n\t}\n\n\treturn iteratorB.next().done;\n}\n\n/**\n * Value that can be normalized to an array of {@link module:engine/model/node~Node nodes}.\n *\n * Non-arrays are normalized as follows:\n * * {@link module:engine/model/node~Node Node} is left as is,\n * * {@link module:engine/model/textproxy~TextProxy TextProxy} and `String` are normalized to {@link module:engine/model/text~Text Text},\n * * {@link module:engine/model/nodelist~NodeList NodeList} is normalized to an array containing all nodes that are in that node list,\n * * {@link module:engine/model/documentfragment~DocumentFragment DocumentFragment} is normalized to an array containing all of it's\n * * children.\n *\n * Arrays are processed item by item like non-array values and flattened to one array. Normalization always results in\n * a flat array of {@link module:engine/model/node~Node nodes}. Consecutive text nodes (or items normalized to text nodes) will be\n * merged if they have same attributes.\n *\n * @typedef {module:engine/model/node~Node|module:engine/model/textproxy~TextProxy|String|\n * module:engine/model/nodelist~NodeList|module:engine/model/documentfragment~DocumentFragment|Iterable}\n * module:engine/model/node~NodeSet\n */\n","import baseIsEqual from './_baseIsEqual.js';\n\n/**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\nfunction isEqual(value, other) {\n  return baseIsEqual(value, other);\n}\n\nexport default isEqual;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/attributeoperation\n */\n\nimport Operation from './operation';\nimport Range from '../range';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport { _setAttribute } from './utils';\nimport { isEqual } from 'lodash-es';\n\n/**\n * Operation to change nodes' attribute.\n *\n * Using this class you can add, remove or change value of the attribute.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class AttributeOperation extends Operation {\n\t/**\n\t * Creates an operation that changes, removes or adds attributes.\n\t *\n\t * If only `newValue` is set, attribute will be added on a node. Note that all nodes in operation's range must not\n\t * have an attribute with the same key as the added attribute.\n\t *\n\t * If only `oldValue` is set, then attribute with given key will be removed. Note that all nodes in operation's range\n\t * must have an attribute with that key added.\n\t *\n\t * If both `newValue` and `oldValue` are set, then the operation will change the attribute value. Note that all nodes in\n\t * operation's ranges must already have an attribute with given key and `oldValue` as value\n\t *\n\t * @param {module:engine/model/range~Range} range Range on which the operation should be applied. Must be a flat range.\n\t * @param {String} key Key of an attribute to change or remove.\n\t * @param {*} oldValue Old value of the attribute with given key or `null`, if attribute was not set before.\n\t * @param {*} newValue New value of the attribute with given key or `null`, if operation should remove attribute.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( range, key, oldValue, newValue, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Range on which operation should be applied.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/range~Range}\n\t\t */\n\t\tthis.range = range.clone();\n\n\t\t/**\n\t\t * Key of an attribute to change or remove.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.key = key;\n\n\t\t/**\n\t\t * Old value of the attribute with given key or `null`, if attribute was not set before.\n\t\t *\n\t\t * @readonly\n\t\t * @member {*}\n\t\t */\n\t\tthis.oldValue = oldValue === undefined ? null : oldValue;\n\n\t\t/**\n\t\t * New value of the attribute with given key or `null`, if operation should remove attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @member {*}\n\t\t */\n\t\tthis.newValue = newValue === undefined ? null : newValue;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\tif ( this.oldValue === null ) {\n\t\t\treturn 'addAttribute';\n\t\t} else if ( this.newValue === null ) {\n\t\t\treturn 'removeAttribute';\n\t\t} else {\n\t\t\treturn 'changeAttribute';\n\t\t}\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/attributeoperation~AttributeOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new AttributeOperation( this.range, this.key, this.oldValue, this.newValue, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/attributeoperation~AttributeOperation}\n\t */\n\tgetReversed() {\n\t\treturn new AttributeOperation( this.range, this.key, this.newValue, this.oldValue, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.range = this.range.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tif ( !this.range.isFlat ) {\n\t\t\t/**\n\t\t\t * The range to change is not flat.\n\t\t\t *\n\t\t\t * @error attribute-operation-range-not-flat\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'attribute-operation-range-not-flat', this );\n\t\t}\n\n\t\tfor ( const item of this.range.getItems( { shallow: true } ) ) {\n\t\t\tif ( this.oldValue !== null && !isEqual( item.getAttribute( this.key ), this.oldValue ) ) {\n\t\t\t\t/**\n\t\t\t\t * Changed node has different attribute value than operation's old attribute value.\n\t\t\t\t *\n\t\t\t\t * @error attribute-operation-wrong-old-value\n\t\t\t\t * @param {module:engine/model/item~Item} item\n\t\t\t\t * @param {String} key\n\t\t\t\t * @param {*} value\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'attribute-operation-wrong-old-value',\n\t\t\t\t\tthis,\n\t\t\t\t\t{ item, key: this.key, value: this.oldValue }\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tif ( this.oldValue === null && this.newValue !== null && item.hasAttribute( this.key ) ) {\n\t\t\t\t/**\n\t\t\t\t * The attribute with given key already exists for the given node.\n\t\t\t\t *\n\t\t\t\t * @error attribute-operation-attribute-exists\n\t\t\t\t * @param {module:engine/model/node~Node} node\n\t\t\t\t * @param {String} key\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'attribute-operation-attribute-exists',\n\t\t\t\t\tthis,\n\t\t\t\t\t{ node: item, key: this.key }\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\t// If value to set is same as old value, don't do anything.\n\t\tif ( !isEqual( this.oldValue, this.newValue ) ) {\n\t\t\t// Execution.\n\t\t\t_setAttribute( this.range, this.key, this.newValue );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'AttributeOperation';\n\t}\n\n\t/**\n\t * Creates `AttributeOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/attributeoperation~AttributeOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\treturn new AttributeOperation( Range.fromJSON( json.range, document ), json.key, json.oldValue, json.newValue, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `AttributeOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`\"${ this.key }\": ${ JSON.stringify( this.oldValue ) }` +\n\t// @if CK_DEBUG_ENGINE //\t\t` -> ${ JSON.stringify( this.newValue ) }, ${ this.range }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/detachoperation\n */\n\nimport Operation from './operation';\nimport Range from '../range';\nimport { _remove } from './utils';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// @if CK_DEBUG_ENGINE // const ModelRange = require( '../range' ).default;\n\n/**\n * Operation to permanently remove node from detached root.\n * Note this operation is only a local operation and won't be send to the other clients.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class DetachOperation extends Operation {\n\t/**\n\t * Creates an insert operation.\n\t *\n\t * @param {module:engine/model/position~Position} sourcePosition\n\t * Position before the first {@link module:engine/model/item~Item model item} to move.\n\t * @param {Number} howMany Offset size of moved range. Moved range will start from `sourcePosition` and end at\n\t * `sourcePosition` with offset shifted by `howMany`.\n\t */\n\tconstructor( sourcePosition, howMany ) {\n\t\tsuper( null );\n\n\t\t/**\n\t\t * Position before the first {@link module:engine/model/item~Item model item} to detach.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} #sourcePosition\n\t\t */\n\t\tthis.sourcePosition = sourcePosition.clone();\n\n\t\t/**\n\t\t * Offset size of moved range.\n\t\t *\n\t\t * @member {Number} #howMany\n\t\t */\n\t\tthis.howMany = howMany;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'detach';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.sourcePosition = this.sourcePosition.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tif ( this.sourcePosition.root.document ) {\n\t\t\t/**\n\t\t\t * Cannot detach document node.\n\t\t\t *\n\t\t\t * @error detach-operation-on-document-node\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'detach-operation-on-document-node', this );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\t_remove( Range._createFromPositionAndShift( this.sourcePosition, this.howMany ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'DetachOperation';\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // const range = ModelRange._createFromPositionAndShift( this.sourcePosition, this.howMany );\n\t// @if CK_DEBUG_ENGINE //\tconst nodes = Array.from( range.getItems() );\n\t// @if CK_DEBUG_ENGINE //\tconst nodeString = nodes.length > 1 ? `[ ${ nodes.length } ]` : nodes[ 0 ];\n\n\t// @if CK_DEBUG_ENGINE //\treturn `DetachOperation( ${ this.baseVersion } ): ${ nodeString } -> ${ range }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/moveoperation\n */\n\nimport Operation from './operation';\nimport Position from '../position';\nimport Range from '../range';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\nimport { _move } from './utils';\n\n// @if CK_DEBUG_ENGINE // const ModelRange = require( '../range' ).default;\n\n/**\n * Operation to move a range of {@link module:engine/model/item~Item model items}\n * to given {@link module:engine/model/position~Position target position}.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class MoveOperation extends Operation {\n\t/**\n\t * Creates a move operation.\n\t *\n\t * @param {module:engine/model/position~Position} sourcePosition\n\t * Position before the first {@link module:engine/model/item~Item model item} to move.\n\t * @param {Number} howMany Offset size of moved range. Moved range will start from `sourcePosition` and end at\n\t * `sourcePosition` with offset shifted by `howMany`.\n\t * @param {module:engine/model/position~Position} targetPosition Position at which moved nodes will be inserted.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( sourcePosition, howMany, targetPosition, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position before the first {@link module:engine/model/item~Item model item} to move.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/moveoperation~MoveOperation#sourcePosition\n\t\t */\n\t\tthis.sourcePosition = sourcePosition.clone();\n\t\t// `'toNext'` because `sourcePosition` is a bit like a start of the moved range.\n\t\tthis.sourcePosition.stickiness = 'toNext';\n\n\t\t/**\n\t\t * Offset size of moved range.\n\t\t *\n\t\t * @member {Number} module:engine/model/operation/moveoperation~MoveOperation#howMany\n\t\t */\n\t\tthis.howMany = howMany;\n\n\t\t/**\n\t\t * Position at which moved nodes will be inserted.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/moveoperation~MoveOperation#targetPosition\n\t\t */\n\t\tthis.targetPosition = targetPosition.clone();\n\t\tthis.targetPosition.stickiness = 'toNone';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\tif ( this.targetPosition.root.rootName == '$graveyard' ) {\n\t\t\treturn 'remove';\n\t\t} else if ( this.sourcePosition.root.rootName == '$graveyard' ) {\n\t\t\treturn 'reinsert';\n\t\t}\n\n\t\treturn 'move';\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/moveoperation~MoveOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.sourcePosition, this.howMany, this.targetPosition, this.baseVersion );\n\t}\n\n\t/**\n\t * Returns the start position of the moved range after it got moved. This may be different than\n\t * {@link module:engine/model/operation/moveoperation~MoveOperation#targetPosition} in some cases, i.e. when a range is moved\n\t * inside the same parent but {@link module:engine/model/operation/moveoperation~MoveOperation#targetPosition targetPosition}\n\t * is after {@link module:engine/model/operation/moveoperation~MoveOperation#sourcePosition sourcePosition}.\n\t *\n\t *\t\t vv              vv\n\t *\t\tabcdefg ===> adefbcg\n\t *\t\t     ^          ^\n\t *\t\t     targetPos\tmovedRangeStart\n\t *\t\t     offset 6\toffset 4\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetMovedRangeStart() {\n\t\treturn this.targetPosition._getTransformedByDeletion( this.sourcePosition, this.howMany );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/moveoperation~MoveOperation}\n\t */\n\tgetReversed() {\n\t\tconst newTargetPosition = this.sourcePosition._getTransformedByInsertion( this.targetPosition, this.howMany );\n\n\t\treturn new this.constructor( this.getMovedRangeStart(), this.howMany, newTargetPosition, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst sourceElement = this.sourcePosition.parent;\n\t\tconst targetElement = this.targetPosition.parent;\n\t\tconst sourceOffset = this.sourcePosition.offset;\n\t\tconst targetOffset = this.targetPosition.offset;\n\n\t\t// Validate whether move operation has correct parameters.\n\t\t// Validation is pretty complex but move operation is one of the core ways to manipulate the document state.\n\t\t// We expect that many errors might be connected with one of scenarios described below.\n\t\tif ( sourceOffset + this.howMany > sourceElement.maxOffset ) {\n\t\t\t/**\n\t\t\t * The nodes which should be moved do not exist.\n\t\t\t *\n\t\t\t * @error move-operation-nodes-do-not-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'move-operation-nodes-do-not-exist', this\n\t\t\t);\n\t\t} else if ( sourceElement === targetElement && sourceOffset < targetOffset && targetOffset < sourceOffset + this.howMany ) {\n\t\t\t/**\n\t\t\t * Trying to move a range of nodes into the middle of that range.\n\t\t\t *\n\t\t\t * @error move-operation-range-into-itself\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'move-operation-range-into-itself', this\n\t\t\t);\n\t\t} else if ( this.sourcePosition.root == this.targetPosition.root ) {\n\t\t\tif ( compareArrays( this.sourcePosition.getParentPath(), this.targetPosition.getParentPath() ) == 'prefix' ) {\n\t\t\t\tconst i = this.sourcePosition.path.length - 1;\n\n\t\t\t\tif ( this.targetPosition.path[ i ] >= sourceOffset && this.targetPosition.path[ i ] < sourceOffset + this.howMany ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * Trying to move a range of nodes into one of nodes from that range.\n\t\t\t\t\t *\n\t\t\t\t\t * @error move-operation-node-into-itself\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t\t'move-operation-node-into-itself', this\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\t_move( Range._createFromPositionAndShift( this.sourcePosition, this.howMany ), this.targetPosition );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.sourcePosition = this.sourcePosition.toJSON();\n\t\tjson.targetPosition = this.targetPosition.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'MoveOperation';\n\t}\n\n\t/**\n\t * Creates `MoveOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/moveoperation~MoveOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tconst sourcePosition = Position.fromJSON( json.sourcePosition, document );\n\t\tconst targetPosition = Position.fromJSON( json.targetPosition, document );\n\n\t\treturn new this( sourcePosition, json.howMany, targetPosition, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \tconst range = ModelRange._createFromPositionAndShift( this.sourcePosition, this.howMany );\n\n\t// @if CK_DEBUG_ENGINE //\treturn `MoveOperation( ${ this.baseVersion } ): ${ range } -> ${ this.targetPosition }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/insertoperation\n */\n\nimport Operation from './operation';\nimport Position from '../position';\nimport NodeList from '../nodelist';\nimport MoveOperation from './moveoperation';\nimport { _insert, _normalizeNodes } from './utils';\nimport Text from '../text';\nimport Element from '../element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Operation to insert one or more nodes at given position in the model.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class InsertOperation extends Operation {\n\t/**\n\t * Creates an insert operation.\n\t *\n\t * @param {module:engine/model/position~Position} position Position of insertion.\n\t * @param {module:engine/model/node~NodeSet} nodes The list of nodes to be inserted.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( position, nodes, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position of insertion.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/insertoperation~InsertOperation#position\n\t\t */\n\t\tthis.position = position.clone();\n\t\tthis.position.stickiness = 'toNone';\n\n\t\t/**\n\t\t * List of nodes to insert.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/nodelist~NodeList} module:engine/model/operation/insertoperation~InsertOperation#nodeList\n\t\t */\n\t\tthis.nodes = new NodeList( _normalizeNodes( nodes ) );\n\n\t\t/**\n\t\t * Flag deciding how the operation should be transformed. If set to `true`, nodes might get additional attributes\n\t\t * during operational transformation. This happens when the operation insertion position is inside of a range\n\t\t * where attributes have changed.\n\t\t *\n\t\t * @member {Boolean} module:engine/model/operation/insertoperation~InsertOperation#shouldReceiveAttributes\n\t\t */\n\t\tthis.shouldReceiveAttributes = false;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'insert';\n\t}\n\n\t/**\n\t * Total offset size of inserted nodes.\n\t *\n\t * @returns {Number}\n\t */\n\tget howMany() {\n\t\treturn this.nodes.maxOffset;\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/insertoperation~InsertOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\tconst nodes = new NodeList( [ ...this.nodes ].map( node => node._clone( true ) ) );\n\t\tconst insert = new InsertOperation( this.position, nodes, this.baseVersion );\n\n\t\tinsert.shouldReceiveAttributes = this.shouldReceiveAttributes;\n\n\t\treturn insert;\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/moveoperation~MoveOperation}\n\t */\n\tgetReversed() {\n\t\tconst graveyard = this.position.root.document.graveyard;\n\t\tconst gyPosition = new Position( graveyard, [ 0 ] );\n\n\t\treturn new MoveOperation( this.position, this.nodes.maxOffset, gyPosition, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst targetElement = this.position.parent;\n\n\t\tif ( !targetElement || targetElement.maxOffset < this.position.offset ) {\n\t\t\t/**\n\t\t\t * Insertion position is invalid.\n\t\t\t *\n\t\t\t * @error insert-operation-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'insert-operation-position-invalid',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\t// What happens here is that we want original nodes be passed to writer because we want original nodes\n\t\t// to be inserted to the model. But in InsertOperation, we want to keep those nodes as they were added\n\t\t// to the operation, not modified. For example, text nodes can get merged or cropped while Elements can\n\t\t// get children. It is important that InsertOperation has the copy of original nodes in intact state.\n\t\tconst originalNodes = this.nodes;\n\t\tthis.nodes = new NodeList( [ ...originalNodes ].map( node => node._clone( true ) ) );\n\n\t\t_insert( this.position, originalNodes );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.position = this.position.toJSON();\n\t\tjson.nodes = this.nodes.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'InsertOperation';\n\t}\n\n\t/**\n\t * Creates `InsertOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/insertoperation~InsertOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tconst children = [];\n\n\t\tfor ( const child of json.nodes ) {\n\t\t\tif ( child.name ) {\n\t\t\t\t// If child has name property, it is an Element.\n\t\t\t\tchildren.push( Element.fromJSON( child ) );\n\t\t\t} else {\n\t\t\t\t// Otherwise, it is a Text node.\n\t\t\t\tchildren.push( Text.fromJSON( child ) );\n\t\t\t}\n\t\t}\n\n\t\tconst insert = new InsertOperation( Position.fromJSON( json.position, document ), children, json.baseVersion );\n\t\tinsert.shouldReceiveAttributes = json.shouldReceiveAttributes;\n\n\t\treturn insert;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \tconst nodeString = this.nodes.length > 1 ? `[ ${ this.nodes.length } ]` : this.nodes.getNode( 0 );\n\n\t// @if CK_DEBUG_ENGINE //\treturn `InsertOperation( ${ this.baseVersion } ): ${ nodeString } -> ${ this.position }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/markeroperation\n */\n\nimport Operation from './operation';\nimport Range from '../range';\n\n/**\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class MarkerOperation extends Operation {\n\t/**\n\t * @param {String} name Marker name.\n\t * @param {module:engine/model/range~Range} oldRange Marker range before the change.\n\t * @param {module:engine/model/range~Range} newRange Marker range after the change.\n\t * @param {module:engine/model/markercollection~MarkerCollection} markers Marker collection on which change should be executed.\n\t * @param {Boolean} affectsData Specifies whether the marker operation affects the data produced by the data pipeline\n\t * (is persisted in the editor's data).\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( name, oldRange, newRange, markers, affectsData, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Marker name.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * Marker range before the change.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/range~Range}\n\t\t */\n\t\tthis.oldRange = oldRange ? oldRange.clone() : null;\n\n\t\t/**\n\t\t * Marker range after the change.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/range~Range}\n\t\t */\n\t\tthis.newRange = newRange ? newRange.clone() : null;\n\n\t\t/**\n\t\t * Specifies whether the marker operation affects the data produced by the data pipeline\n\t\t * (is persisted in the editor's data).\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.affectsData = affectsData;\n\n\t\t/**\n\t\t * Marker collection on which change should be executed.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/markercollection~MarkerCollection}\n\t\t */\n\t\tthis._markers = markers;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'marker';\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/markeroperation~MarkerOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new MarkerOperation( this.name, this.oldRange, this.newRange, this._markers, this.affectsData, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/markeroperation~MarkerOperation}\n\t */\n\tgetReversed() {\n\t\treturn new MarkerOperation( this.name, this.newRange, this.oldRange, this._markers, this.affectsData, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tconst type = this.newRange ? '_set' : '_remove';\n\n\t\tthis._markers[ type ]( this.name, this.newRange, true, this.affectsData );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tif ( this.oldRange ) {\n\t\t\tjson.oldRange = this.oldRange.toJSON();\n\t\t}\n\n\t\tif ( this.newRange ) {\n\t\t\tjson.newRange = this.newRange.toJSON();\n\t\t}\n\n\t\tdelete json._markers;\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'MarkerOperation';\n\t}\n\n\t/**\n\t * Creates `MarkerOperation` object from deserialized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/markeroperation~MarkerOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\treturn new MarkerOperation(\n\t\t\tjson.name,\n\t\t\tjson.oldRange ? Range.fromJSON( json.oldRange, document ) : null,\n\t\t\tjson.newRange ? Range.fromJSON( json.newRange, document ) : null,\n\t\t\tdocument.model.markers,\n\t\t\tjson.affectsData,\n\t\t\tjson.baseVersion\n\t\t);\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `MarkerOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`\"${ this.name }\": ${ this.oldRange } -> ${ this.newRange }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/renameoperation\n */\n\nimport Operation from './operation';\nimport Element from '../element';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Position from '../position';\n\n/**\n * Operation to change element's name.\n *\n * Using this class you can change element's name.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class RenameOperation extends Operation {\n\t/**\n\t * Creates an operation that changes element's name.\n\t *\n\t * @param {module:engine/model/position~Position} position Position before an element to change.\n\t * @param {String} oldName Current name of the element.\n\t * @param {String} newName New name for the element.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( position, oldName, newName, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position before an element to change.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/renameoperation~RenameOperation#position\n\t\t */\n\t\tthis.position = position;\n\t\t// This position sticks to the next node because it is a position before the node that we want to change.\n\t\tthis.position.stickiness = 'toNext';\n\n\t\t/**\n\t\t * Current name of the element.\n\t\t *\n\t\t * @member {String} module:engine/model/operation/renameoperation~RenameOperation#oldName\n\t\t */\n\t\tthis.oldName = oldName;\n\n\t\t/**\n\t\t * New name for the element.\n\t\t *\n\t\t * @member {String} module:engine/model/operation/renameoperation~RenameOperation#newName\n\t\t */\n\t\tthis.newName = newName;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'rename';\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/renameoperation~RenameOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new RenameOperation( this.position.clone(), this.oldName, this.newName, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/renameoperation~RenameOperation}\n\t */\n\tgetReversed() {\n\t\treturn new RenameOperation( this.position.clone(), this.newName, this.oldName, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst element = this.position.nodeAfter;\n\n\t\tif ( !( element instanceof Element ) ) {\n\t\t\t/**\n\t\t\t * Given position is invalid or node after it is not instance of Element.\n\t\t\t *\n\t\t\t * @error rename-operation-wrong-position\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rename-operation-wrong-position',\n\t\t\t\tthis\n\t\t\t);\n\t\t} else if ( element.name !== this.oldName ) {\n\t\t\t/**\n\t\t\t * Element to change has different name than operation's old name.\n\t\t\t *\n\t\t\t * @error rename-operation-wrong-name\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rename-operation-wrong-name',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tconst element = this.position.nodeAfter;\n\n\t\telement.name = this.newName;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.position = this.position.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'RenameOperation';\n\t}\n\n\t/**\n\t * Creates `RenameOperation` object from deserialized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/attributeoperation~AttributeOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\treturn new RenameOperation( Position.fromJSON( json.position, document ), json.oldName, json.newName, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `RenameOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`${ this.position }: \"${ this.oldName }\" -> \"${ this.newName }\"`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/rootattributeoperation\n */\n\nimport Operation from './operation';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Operation to change root element's attribute. Using this class you can add, remove or change value of the attribute.\n *\n * This operation is needed, because root elements can't be changed through\n * @link module:engine/model/operation/attributeoperation~AttributeOperation}.\n * It is because {@link module:engine/model/operation/attributeoperation~AttributeOperation}\n * requires a range to change and root element can't\n * be a part of range because every {@link module:engine/model/position~Position} has to be inside a root.\n * {@link module:engine/model/position~Position} can't be created before a root element.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class RootAttributeOperation extends Operation {\n\t/**\n\t * Creates an operation that changes, removes or adds attributes on root element.\n\t *\n\t * @see module:engine/model/operation/attributeoperation~AttributeOperation\n\t * @param {module:engine/model/rootelement~RootElement} root Root element to change.\n\t * @param {String} key Key of an attribute to change or remove.\n\t * @param {*} oldValue Old value of the attribute with given key or `null` if adding a new attribute.\n\t * @param {*} newValue New value to set for the attribute. If `null`, then the operation just removes the attribute.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( root, key, oldValue, newValue, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Root element to change.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/rootelement~RootElement}\n\t\t */\n\t\tthis.root = root;\n\n\t\t/**\n\t\t * Key of an attribute to change or remove.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.key = key;\n\n\t\t/**\n\t\t * Old value of the attribute with given key or `null` if adding a new attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @member {*}\n\t\t */\n\t\tthis.oldValue = oldValue;\n\n\t\t/**\n\t\t * New value to set for the attribute. If `null`, then the operation just removes the attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @member {*}\n\t\t */\n\t\tthis.newValue = newValue;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\tif ( this.oldValue === null ) {\n\t\t\treturn 'addRootAttribute';\n\t\t} else if ( this.newValue === null ) {\n\t\t\treturn 'removeRootAttribute';\n\t\t} else {\n\t\t\treturn 'changeRootAttribute';\n\t\t}\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/rootattributeoperation~RootAttributeOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new RootAttributeOperation( this.root, this.key, this.oldValue, this.newValue, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/rootattributeoperation~RootAttributeOperation}\n\t */\n\tgetReversed() {\n\t\treturn new RootAttributeOperation( this.root, this.key, this.newValue, this.oldValue, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tif ( this.root != this.root.root || this.root.is( 'documentFragment' ) ) {\n\t\t\t/**\n\t\t\t * The element to change is not a root element.\n\t\t\t *\n\t\t\t * @error rootattribute-operation-not-a-root\n\t\t\t * @param {module:engine/model/rootelement~RootElement} root\n\t\t\t * @param {String} key\n\t\t\t * @param {*} value\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rootattribute-operation-not-a-root',\n\t\t\t\tthis,\n\t\t\t\t{ root: this.root, key: this.key }\n\t\t\t);\n\t\t}\n\n\t\tif ( this.oldValue !== null && this.root.getAttribute( this.key ) !== this.oldValue ) {\n\t\t\t/**\n\t\t\t * The attribute which should be removed does not exists for the given node.\n\t\t\t *\n\t\t\t * @error rootattribute-operation-wrong-old-value\n\t\t\t * @param {module:engine/model/rootelement~RootElement} root\n\t\t\t * @param {String} key\n\t\t\t * @param {*} value\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rootattribute-operation-wrong-old-value',\n\t\t\t\tthis,\n\t\t\t\t{ root: this.root, key: this.key }\n\t\t\t);\n\t\t}\n\n\t\tif ( this.oldValue === null && this.newValue !== null && this.root.hasAttribute( this.key ) ) {\n\t\t\t/**\n\t\t\t * The attribute with given key already exists for the given node.\n\t\t\t *\n\t\t\t * @error rootattribute-operation-attribute-exists\n\t\t\t * @param {module:engine/model/rootelement~RootElement} root\n\t\t\t * @param {String} key\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'rootattribute-operation-attribute-exists',\n\t\t\t\tthis,\n\t\t\t\t{ root: this.root, key: this.key }\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tif ( this.newValue !== null ) {\n\t\t\tthis.root._setAttribute( this.key, this.newValue );\n\t\t} else {\n\t\t\tthis.root._removeAttribute( this.key );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.root = this.root.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'RootAttributeOperation';\n\t}\n\n\t/**\n\t * Creates RootAttributeOperation object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/rootattributeoperation~RootAttributeOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tif ( !document.getRoot( json.root ) ) {\n\t\t\t/**\n\t\t\t * Cannot create RootAttributeOperation for document. Root with specified name does not exist.\n\t\t\t *\n\t\t\t * @error rootattribute-operation-fromjson-no-root\n\t\t\t * @param {String} rootName\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'rootattribute-operation-fromjson-no-root', this, { rootName: json.root } );\n\t\t}\n\n\t\treturn new RootAttributeOperation( document.getRoot( json.root ), json.key, json.oldValue, json.newValue, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `RootAttributeOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`\"${ this.key }\": ${ JSON.stringify( this.oldValue ) }` +\n\t// @if CK_DEBUG_ENGINE //\t\t` -> ${ JSON.stringify( this.newValue ) }, ${ this.root.rootName }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/mergeoperation\n */\n\nimport Operation from './operation';\nimport SplitOperation from './splitoperation';\nimport Position from '../position';\nimport Range from '../range';\nimport { _move } from './utils';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Operation to merge two {@link module:engine/model/element~Element elements}.\n *\n * The merged element is the parent of {@link ~MergeOperation#sourcePosition} and it is merged into the parent of\n * {@link ~MergeOperation#targetPosition}. All nodes from the merged element are moved to {@link ~MergeOperation#targetPosition}.\n *\n * The merged element is moved to the graveyard at {@link ~MergeOperation#graveyardPosition}.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class MergeOperation extends Operation {\n\t/**\n\t * Creates a merge operation.\n\t *\n\t * @param {module:engine/model/position~Position} sourcePosition Position inside the merged element. All nodes from that\n\t * element after that position will be moved to {@link ~#targetPosition}.\n\t * @param {Number} howMany Summary offset size of nodes which will be moved from the merged element to the new parent.\n\t * @param {module:engine/model/position~Position} targetPosition Position which the nodes from the merged elements will be moved to.\n\t * @param {module:engine/model/position~Position} graveyardPosition Position in graveyard to which the merged element will be moved.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( sourcePosition, howMany, targetPosition, graveyardPosition, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position inside the merged element. All nodes from that element after that position will be moved to {@link ~#targetPosition}.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/mergeoperation~MergeOperation#sourcePosition\n\t\t */\n\t\tthis.sourcePosition = sourcePosition.clone();\n\t\t// This is, and should always remain, the first position in its parent.\n\t\tthis.sourcePosition.stickiness = 'toPrevious';\n\n\t\t/**\n\t\t * Summary offset size of nodes which will be moved from the merged element to the new parent.\n\t\t *\n\t\t * @member {Number} module:engine/model/operation/mergeoperation~MergeOperation#howMany\n\t\t */\n\t\tthis.howMany = howMany;\n\n\t\t/**\n\t\t * Position which the nodes from the merged elements will be moved to.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/mergeoperation~MergeOperation#targetPosition\n\t\t */\n\t\tthis.targetPosition = targetPosition.clone();\n\t\t// Except of a rare scenario in `MergeOperation` x `MergeOperation` transformation,\n\t\t// this is, and should always remain, the last position in its parent.\n\t\tthis.targetPosition.stickiness = 'toNext';\n\n\t\t/**\n\t\t * Position in graveyard to which the merged element will be moved.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/mergeoperation~MergeOperation#graveyardPosition\n\t\t */\n\t\tthis.graveyardPosition = graveyardPosition.clone();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'merge';\n\t}\n\n\t/**\n\t * Position before the merged element (which will be deleted).\n\t *\n\t * @readonly\n\t * @type {module:engine/model/position~Position}\n\t */\n\tget deletionPosition() {\n\t\treturn new Position( this.sourcePosition.root, this.sourcePosition.path.slice( 0, -1 ) );\n\t}\n\n\t/**\n\t * Artificial range that contains all the nodes from the merged element that will be moved to {@link ~MergeOperation#sourcePosition}.\n\t * The range starts at {@link ~MergeOperation#sourcePosition} and ends in the same parent, at `POSITIVE_INFINITY` offset.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/range~Range}\n\t */\n\tget movedRange() {\n\t\tconst end = this.sourcePosition.getShiftedBy( Number.POSITIVE_INFINITY );\n\n\t\treturn new Range( this.sourcePosition, end );\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/mergeoperation~MergeOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.sourcePosition, this.howMany, this.targetPosition, this.graveyardPosition, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/splitoperation~SplitOperation}\n\t */\n\tgetReversed() {\n\t\t// Positions in this method are transformed by this merge operation because the split operation bases on\n\t\t// the context after this merge operation happened (because split operation reverses it).\n\t\t// So we need to acknowledge that the merge operation happened and those positions changed a little.\n\t\tconst targetPosition = this.targetPosition._getTransformedByMergeOperation( this );\n\n\t\tconst path = this.sourcePosition.path.slice( 0, -1 );\n\t\tconst insertionPosition = new Position( this.sourcePosition.root, path )._getTransformedByMergeOperation( this );\n\n\t\treturn new SplitOperation( targetPosition, this.howMany, insertionPosition, this.graveyardPosition, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst sourceElement = this.sourcePosition.parent;\n\t\tconst targetElement = this.targetPosition.parent;\n\n\t\t// Validate whether merge operation has correct parameters.\n\t\tif ( !sourceElement.parent ) {\n\t\t\t/**\n\t\t\t * Merge source position is invalid. The element to be merged must have a parent node.\n\t\t\t *\n\t\t\t * @error merge-operation-source-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'merge-operation-source-position-invalid', this );\n\t\t} else if ( !targetElement.parent ) {\n\t\t\t/**\n\t\t\t * Merge target position is invalid. The element to be merged must have a parent node.\n\t\t\t *\n\t\t\t * @error merge-operation-target-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'merge-operation-target-position-invalid', this );\n\t\t} else if ( this.howMany != sourceElement.maxOffset ) {\n\t\t\t/**\n\t\t\t * Merge operation specifies wrong number of nodes to move.\n\t\t\t *\n\t\t\t * @error merge-operation-how-many-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'merge-operation-how-many-invalid', this );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tconst mergedElement = this.sourcePosition.parent;\n\t\tconst sourceRange = Range._createIn( mergedElement );\n\n\t\t_move( sourceRange, this.targetPosition );\n\t\t_move( Range._createOn( mergedElement ), this.graveyardPosition );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.sourcePosition = json.sourcePosition.toJSON();\n\t\tjson.targetPosition = json.targetPosition.toJSON();\n\t\tjson.graveyardPosition = json.graveyardPosition.toJSON();\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'MergeOperation';\n\t}\n\n\t/**\n\t * Creates `MergeOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/mergeoperation~MergeOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tconst sourcePosition = Position.fromJSON( json.sourcePosition, document );\n\t\tconst targetPosition = Position.fromJSON( json.targetPosition, document );\n\t\tconst graveyardPosition = Position.fromJSON( json.graveyardPosition, document );\n\n\t\treturn new this( sourcePosition, json.howMany, targetPosition, graveyardPosition, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `MergeOperation( ${ this.baseVersion } ): ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`${ this.sourcePosition } -> ${ this.targetPosition }` +\n\t// @if CK_DEBUG_ENGINE //\t\t` ( ${ this.howMany } ), ${ this.graveyardPosition }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/splitoperation\n */\n\nimport Operation from './operation';\nimport MergeOperation from './mergeoperation';\nimport Position from '../position';\nimport Range from '../range';\nimport { _insert, _move } from './utils';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Operation to split {@link module:engine/model/element~Element an element} at given\n * {@link module:engine/model/operation/splitoperation~SplitOperation#splitPosition split position} into two elements,\n * both containing a part of the element's original content.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class SplitOperation extends Operation {\n\t/**\n\t * Creates a split operation.\n\t *\n\t * @param {module:engine/model/position~Position} splitPosition Position at which an element should be split.\n\t * @param {Number} howMany Total offset size of elements that are in the split element after `position`.\n\t * @param {module:engine/model/position~Position} insertionPosition Position at which the clone of split element\n\t * (or element from graveyard) will be inserted.\n\t * @param {module:engine/model/position~Position|null} graveyardPosition Position in the graveyard root before the element which\n\t * should be used as a parent of the nodes after `position`. If it is not set, a copy of the the `position` parent will be used.\n\t * @param {Number|null} baseVersion Document {@link module:engine/model/document~Document#version} on which operation\n\t * can be applied or `null` if the operation operates on detached (non-document) tree.\n\t */\n\tconstructor( splitPosition, howMany, insertionPosition, graveyardPosition, baseVersion ) {\n\t\tsuper( baseVersion );\n\n\t\t/**\n\t\t * Position at which an element should be split.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/splitoperation~SplitOperation#splitPosition\n\t\t */\n\t\tthis.splitPosition = splitPosition.clone();\n\t\t// Keep position sticking to the next node. This way any new content added at the place where the element is split\n\t\t// will be left in the original element.\n\t\tthis.splitPosition.stickiness = 'toNext';\n\n\t\t/**\n\t\t * Total offset size of elements that are in the split element after `position`.\n\t\t *\n\t\t * @member {Number} module:engine/model/operation/splitoperation~SplitOperation#howMany\n\t\t */\n\t\tthis.howMany = howMany;\n\n\t\t/**\n\t\t * Position at which the clone of split element (or element from graveyard) will be inserted.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} module:engine/model/operation/splitoperation~SplitOperation#insertionPosition\n\t\t */\n\t\tthis.insertionPosition = insertionPosition;\n\n\t\t/**\n\t\t * Position in the graveyard root before the element which should be used as a parent of the nodes after `position`.\n\t\t * If it is not set, a copy of the the `position` parent will be used.\n\t\t *\n\t\t * The default behavior is to clone the split element. Element from graveyard is used during undo.\n\t\t *\n\t\t * @member {module:engine/model/position~Position|null} #graveyardPosition\n\t\t */\n\t\tthis.graveyardPosition = graveyardPosition ? graveyardPosition.clone() : null;\n\n\t\tif ( this.graveyardPosition ) {\n\t\t\tthis.graveyardPosition.stickiness = 'toNext';\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget type() {\n\t\treturn 'split';\n\t}\n\n\t/**\n\t * Position inside the new clone of a split element.\n\t *\n\t * This is a position where nodes that are after the split position will be moved to.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/position~Position}\n\t */\n\tget moveTargetPosition() {\n\t\tconst path = this.insertionPosition.path.slice();\n\t\tpath.push( 0 );\n\n\t\treturn new Position( this.insertionPosition.root, path );\n\t}\n\n\t/**\n\t * Artificial range that contains all the nodes from the split element that will be moved to the new element.\n\t * The range starts at {@link ~#splitPosition} and ends in the same parent, at `POSITIVE_INFINITY` offset.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/range~Range}\n\t */\n\tget movedRange() {\n\t\tconst end = this.splitPosition.getShiftedBy( Number.POSITIVE_INFINITY );\n\n\t\treturn new Range( this.splitPosition, end );\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/splitoperation~SplitOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new this.constructor( this.splitPosition, this.howMany, this.insertionPosition, this.graveyardPosition, this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/mergeoperation~MergeOperation}\n\t */\n\tgetReversed() {\n\t\tconst graveyard = this.splitPosition.root.document.graveyard;\n\t\tconst graveyardPosition = new Position( graveyard, [ 0 ] );\n\n\t\treturn new MergeOperation( this.moveTargetPosition, this.howMany, this.splitPosition, graveyardPosition, this.baseVersion + 1 );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_validate() {\n\t\tconst element = this.splitPosition.parent;\n\t\tconst offset = this.splitPosition.offset;\n\n\t\t// Validate whether split operation has correct parameters.\n\t\tif ( !element || element.maxOffset < offset ) {\n\t\t\t/**\n\t\t\t * Split position is invalid.\n\t\t\t *\n\t\t\t * @error split-operation-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'split-operation-position-invalid', this );\n\t\t} else if ( !element.parent ) {\n\t\t\t/**\n\t\t\t * Cannot split root element.\n\t\t\t *\n\t\t\t * @error split-operation-split-in-root\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'split-operation-split-in-root', this );\n\t\t} else if ( this.howMany != element.maxOffset - this.splitPosition.offset ) {\n\t\t\t/**\n\t\t\t * Split operation specifies wrong number of nodes to move.\n\t\t\t *\n\t\t\t * @error split-operation-how-many-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'split-operation-how-many-invalid', this );\n\t\t} else if ( this.graveyardPosition && !this.graveyardPosition.nodeAfter ) {\n\t\t\t/**\n\t\t\t * Graveyard position invalid.\n\t\t\t *\n\t\t\t * @error split-operation-graveyard-position-invalid\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'split-operation-graveyard-position-invalid', this );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_execute() {\n\t\tconst splitElement = this.splitPosition.parent;\n\n\t\tif ( this.graveyardPosition ) {\n\t\t\t_move( Range._createFromPositionAndShift( this.graveyardPosition, 1 ), this.insertionPosition );\n\t\t} else {\n\t\t\tconst newElement = splitElement._clone();\n\n\t\t\t_insert( this.insertionPosition, newElement );\n\t\t}\n\n\t\tconst sourceRange = new Range(\n\t\t\tPosition._createAt( splitElement, this.splitPosition.offset ),\n\t\t\tPosition._createAt( splitElement, splitElement.maxOffset )\n\t\t);\n\n\t\t_move( sourceRange, this.moveTargetPosition );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\ttoJSON() {\n\t\tconst json = super.toJSON();\n\n\t\tjson.splitPosition = this.splitPosition.toJSON();\n\t\tjson.insertionPosition = this.insertionPosition.toJSON();\n\n\t\tif ( this.graveyardPosition ) {\n\t\t\tjson.graveyardPosition = this.graveyardPosition.toJSON();\n\t\t}\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'SplitOperation';\n\t}\n\n\t/**\n\t * Helper function that returns a default insertion position basing on given `splitPosition`. The default insertion\n\t * position is after the split element.\n\t *\n\t * @param {module:engine/model/position~Position} splitPosition\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tstatic getInsertionPosition( splitPosition ) {\n\t\tconst path = splitPosition.path.slice( 0, -1 );\n\t\tpath[ path.length - 1 ]++;\n\n\t\treturn new Position( splitPosition.root, path, 'toPrevious' );\n\t}\n\n\t/**\n\t * Creates `SplitOperation` object from deserilized object, i.e. from parsed JSON string.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/splitoperation~SplitOperation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\tconst splitPosition = Position.fromJSON( json.splitPosition, document );\n\t\tconst insertionPosition = Position.fromJSON( json.insertionPosition, document );\n\t\tconst graveyardPosition = json.graveyardPosition ? Position.fromJSON( json.graveyardPosition, document ) : null;\n\n\t\treturn new this( splitPosition, json.howMany, insertionPosition, graveyardPosition, json.baseVersion );\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `SplitOperation( ${ this.baseVersion } ): ${ this.splitPosition } ` +\n\t// @if CK_DEBUG_ENGINE //\t\t`( ${ this.howMany } ) -> ${ this.insertionPosition }` +\n\t// @if CK_DEBUG_ENGINE //\t\t`${ this.graveyardPosition ? ' with ' + this.graveyardPosition : '' }`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/rootelement\n */\n\nimport Element from './element';\n\n/**\n * Type of {@link module:engine/model/element~Element} that is a root of a model tree.\n * @extends module:engine/model/element~Element\n */\nexport default class RootElement extends Element {\n\t/**\n\t * Creates root element.\n\t *\n\t * @param {module:engine/model/document~Document} document Document that is an owner of this root.\n\t * @param {String} name Node name.\n\t * @param {String} [rootName='main'] Unique root name used to identify this root\n\t * element by {@link module:engine/model/document~Document}.\n\t */\n\tconstructor( document, name, rootName = 'main' ) {\n\t\tsuper( name );\n\n\t\t/**\n\t\t * Document that is an owner of this root.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/document~Document}\n\t\t */\n\t\tthis._document = document;\n\n\t\t/**\n\t\t * Unique root name used to identify this root element by {@link module:engine/model/document~Document}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.rootName = rootName;\n\t}\n\n\t/**\n\t * {@link module:engine/model/document~Document Document} that owns this root element.\n\t *\n\t * @readonly\n\t * @type {module:engine/model/document~Document|null}\n\t */\n\tget document() {\n\t\treturn this._document;\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\trootElement.is( 'rootElement' ); // -> true\n\t *\t\trootElement.is( 'element' ); // -> true\n\t *\t\trootElement.is( 'node' ); // -> true\n\t *\t\trootElement.is( 'model:rootElement' ); // -> true\n\t *\t\trootElement.is( 'model:element' ); // -> true\n\t *\t\trootElement.is( 'model:node' ); // -> true\n\t *\n\t *\t\trootElement.is( 'view:element' ); // -> false\n\t *\t\trootElement.is( 'documentFragment' ); // -> false\n\t *\n\t * Assuming that the object being checked is an element, you can also check its\n\t * {@link module:engine/model/element~Element#name name}:\n\t *\n\t *\t\trootElement.is( 'rootElement', '$root' ); // -> same as above\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type Type to check.\n\t * @param {String} [name] Element name.\n\t * @returns {Boolean}\n\t */\n\tis( type, name ) {\n\t\tif ( !name ) {\n\t\t\treturn type === 'rootElement' || type === 'model:rootElement' ||\n\t\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\t\ttype === 'element' || type === 'model:element' ||\n\t\t\t\ttype === 'node' || type === 'model:node';\n\t\t}\n\n\t\treturn name === this.name && (\n\t\t\ttype === 'rootElement' || type === 'model:rootElement' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype === 'element' || type === 'model:element'\n\t\t);\n\t}\n\n\t/**\n\t * Converts `RootElement` instance to `String` containing it's name.\n\t *\n\t * @returns {String} `RootElement` instance converted to `String`.\n\t */\n\ttoJSON() {\n\t\treturn this.rootName;\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn this.rootName;\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // log() {\n\t// @if CK_DEBUG_ENGINE // \tconsole.log( 'ModelRootElement: ' + this );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/writer\n */\n\nimport AttributeOperation from './operation/attributeoperation';\nimport DetachOperation from './operation/detachoperation';\nimport InsertOperation from './operation/insertoperation';\nimport MarkerOperation from './operation/markeroperation';\nimport MoveOperation from './operation/moveoperation';\nimport RenameOperation from './operation/renameoperation';\nimport RootAttributeOperation from './operation/rootattributeoperation';\nimport SplitOperation from './operation/splitoperation';\nimport MergeOperation from './operation/mergeoperation';\n\nimport DocumentFragment from './documentfragment';\nimport Text from './text';\nimport Element from './element';\nimport RootElement from './rootelement';\nimport Position from './position';\nimport Range from './range.js';\nimport DocumentSelection from './documentselection';\n\nimport toMap from '@ckeditor/ckeditor5-utils/src/tomap';\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * The model can only be modified by using the writer. It should be used whenever you want to create a node, modify\n * child nodes, attributes or text, set the selection's position and its attributes.\n *\n * The instance of the writer is only available in the {@link module:engine/model/model~Model#change `change()`} or\n * {@link module:engine/model/model~Model#enqueueChange `enqueueChange()`}.\n *\n *\t\tmodel.change( writer => {\n *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n *\t\t} );\n *\n * Note that the writer should never be stored and used outside of the `change()` and\n * `enqueueChange()` blocks.\n *\n * Note that writer's methods do not check the {@link module:engine/model/schema~Schema}. It is possible\n * to create incorrect model structures by using the writer. Read more about in\n * {@glink framework/guides/deep-dive/schema#who-checks-the-schema \"Who checks the schema?\"}.\n *\n * @see module:engine/model/model~Model#change\n * @see module:engine/model/model~Model#enqueueChange\n */\nexport default class Writer {\n\t/**\n\t * Creates a writer instance.\n\t *\n\t * **Note:** It is not recommended to use it directly. Use {@link module:engine/model/model~Model#change `Model#change()`} or\n\t * {@link module:engine/model/model~Model#enqueueChange `Model#enqueueChange()`} instead.\n\t *\n\t * @protected\n\t * @param {module:engine/model/model~Model} model\n\t * @param {module:engine/model/batch~Batch} batch\n\t */\n\tconstructor( model, batch ) {\n\t\t/**\n\t\t * Instance of the model on which this writer operates.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * The batch to which this writer will add changes.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/batch~Batch}\n\t\t */\n\t\tthis.batch = batch;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/model/text~Text text node}.\n\t *\n\t *\t\twriter.createText( 'foo' );\n\t *\t\twriter.createText( 'foo', { bold: true } );\n\t *\n\t * @param {String} data Text data.\n\t * @param {Object} [attributes] Text attributes.\n\t * @returns {module:engine/model/text~Text} Created text node.\n\t */\n\tcreateText( data, attributes ) {\n\t\treturn new Text( data, attributes );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/model/element~Element element}.\n\t *\n\t *\t\twriter.createElement( 'paragraph' );\n\t *\t\twriter.createElement( 'paragraph', { alignment: 'center' } );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @returns {module:engine/model/element~Element} Created element.\n\t */\n\tcreateElement( name, attributes ) {\n\t\treturn new Element( name, attributes );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/model/documentfragment~DocumentFragment document fragment}.\n\t *\n\t * @returns {module:engine/model/documentfragment~DocumentFragment} Created document fragment.\n\t */\n\tcreateDocumentFragment() {\n\t\treturn new DocumentFragment();\n\t}\n\n\t/**\n\t * Creates a copy of the element and returns it. Created element has the same name and attributes as the original element.\n\t * If clone is deep, the original element's children are also cloned. If not, then empty element is returned.\n\t *\n\t * @param {module:engine/model/element~Element} element The element to clone.\n\t * @param {Boolean} [deep=true] If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any child.\n\t */\n\tcloneElement( element, deep = true ) {\n\t\treturn element._clone( deep );\n\t}\n\n\t/**\n\t * Inserts item on given position.\n\t *\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\twriter.insert( paragraph, position );\n\t *\n\t * Instead of using position you can use parent and offset:\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\twriter.insert( text, paragraph, 5 );\n\t *\n\t * You can also use `end` instead of the offset to insert at the end:\n\t *\n\t *\t\tconst text = writer.createText( 'foo' );\n\t *\t\twriter.insert( text, paragraph, 'end' );\n\t *\n\t * Or insert before or after another element:\n\t *\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\twriter.insert( paragraph, anotherParagraph, 'after' );\n\t *\n\t * These parameters works the same way as {@link #createPositionAt `writer.createPositionAt()`}.\n\t *\n\t * Note that if the item already has parent it will be removed from the previous parent.\n\t *\n\t * Note that you cannot re-insert a node from a document to a different document or a document fragment. In this case,\n\t * `model-writer-insert-forbidden-move` is thrown.\n\t *\n\t * If you want to move {@link module:engine/model/range~Range range} instead of an\n\t * {@link module:engine/model/item~Item item} use {@link module:engine/model/writer~Writer#move `Writer#move()`}.\n\t *\n\t * **Note:** For a paste-like content insertion mechanism see\n\t * {@link module:engine/model/model~Model#insertContent `model.insertContent()`}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/documentfragment~DocumentFragment} item Item or document\n\t * fragment to insert.\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * second parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tinsert( item, itemOrPosition, offset = 0 ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( item instanceof Text && item.data == '' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst position = Position._createAt( itemOrPosition, offset );\n\n\t\t// If item has a parent already.\n\t\tif ( item.parent ) {\n\t\t\t// We need to check if item is going to be inserted within the same document.\n\t\t\tif ( isSameTree( item.root, position.root ) ) {\n\t\t\t\t// If it's we just need to move it.\n\t\t\t\tthis.move( Range._createOn( item ), position );\n\n\t\t\t\treturn;\n\t\t\t}\n\t\t\t// If it isn't the same root.\n\t\t\telse {\n\t\t\t\tif ( item.root.document ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * Cannot move a node from a document to a different tree.\n\t\t\t\t\t * It is forbidden to move a node that was already in a document outside of it.\n\t\t\t\t\t *\n\t\t\t\t\t * @error model-writer-insert-forbidden-move\n\t\t\t\t\t */\n\t\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t\t'model-writer-insert-forbidden-move',\n\t\t\t\t\t\tthis\n\t\t\t\t\t);\n\t\t\t\t} else {\n\t\t\t\t\t// Move between two different document fragments or from document fragment to a document is possible.\n\t\t\t\t\t// In that case, remove the item from it's original parent.\n\t\t\t\t\tthis.remove( item );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tconst version = position.root.document ? position.root.document.version : null;\n\n\t\tconst insert = new InsertOperation( position, item, version );\n\n\t\tif ( item instanceof Text ) {\n\t\t\tinsert.shouldReceiveAttributes = true;\n\t\t}\n\n\t\tthis.batch.addOperation( insert );\n\t\tthis.model.applyOperation( insert );\n\n\t\t// When element is a DocumentFragment we need to move its markers to Document#markers.\n\t\tif ( item instanceof DocumentFragment ) {\n\t\t\tfor ( const [ markerName, markerRange ] of item.markers ) {\n\t\t\t\t// We need to migrate marker range from DocumentFragment to Document.\n\t\t\t\tconst rangeRootPosition = Position._createAt( markerRange.root, 0 );\n\t\t\t\tconst range = new Range(\n\t\t\t\t\tmarkerRange.start._getCombined( rangeRootPosition, position ),\n\t\t\t\t\tmarkerRange.end._getCombined( rangeRootPosition, position )\n\t\t\t\t);\n\n\t\t\t\tconst options = { range, usingOperation: true, affectsData: true };\n\n\t\t\t\tif ( this.model.markers.has( markerName ) ) {\n\t\t\t\t\tthis.updateMarker( markerName, options );\n\t\t\t\t} else {\n\t\t\t\t\tthis.addMarker( markerName, options );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Creates and inserts text on given position. You can optionally set text attributes:\n\t *\n\t *\t\twriter.insertText( 'foo', position );\n\t *\t\twriter.insertText( 'foo', { bold: true }, position );\n\t *\n\t * Instead of using position you can use parent and offset or define that text should be inserted at the end\n\t * or before or after other node:\n\t *\n\t *\t\t// Inserts 'foo' in paragraph, at offset 5:\n\t *\t\twriter.insertText( 'foo', paragraph, 5 );\n\t *\t\t// Inserts 'foo' at the end of a paragraph:\n\t *\t\twriter.insertText( 'foo', paragraph, 'end' );\n\t *\t\t// Inserts 'foo' after an image:\n\t *\t\twriter.insertText( 'foo', image, 'after' );\n\t *\n\t * These parameters work in the same way as {@link #createPositionAt `writer.createPositionAt()`}.\n\t *\n\t * @param {String} data Text data.\n\t * @param {Object} [attributes] Text attributes.\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * third parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tinsertText( text, attributes, itemOrPosition, offset ) {\n\t\tif ( attributes instanceof DocumentFragment || attributes instanceof Element || attributes instanceof Position ) {\n\t\t\tthis.insert( this.createText( text ), attributes, itemOrPosition );\n\t\t} else {\n\t\t\tthis.insert( this.createText( text, attributes ), itemOrPosition, offset );\n\t\t}\n\t}\n\n\t/**\n\t * Creates and inserts element on given position. You can optionally set attributes:\n\t *\n\t *\t\twriter.insertElement( 'paragraph', position );\n\t *\t\twriter.insertElement( 'paragraph', { alignment: 'center' }, position );\n\t *\n\t * Instead of using position you can use parent and offset or define that text should be inserted at the end\n\t * or before or after other node:\n\t *\n\t *\t\t// Inserts paragraph in the root at offset 5:\n\t *\t\twriter.insertElement( 'paragraph', root, 5 );\n\t *\t\t// Inserts paragraph at the end of a blockquote:\n\t *\t\twriter.insertElement( 'paragraph', blockquote, 'end' );\n\t *\t\t// Inserts after an image:\n\t *\t\twriter.insertElement( 'paragraph', image, 'after' );\n\t *\n\t * These parameters works the same way as {@link #createPositionAt `writer.createPositionAt()`}.\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * third parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tinsertElement( name, attributes, itemOrPosition, offset ) {\n\t\tif ( attributes instanceof DocumentFragment || attributes instanceof Element || attributes instanceof Position ) {\n\t\t\tthis.insert( this.createElement( name ), attributes, itemOrPosition );\n\t\t} else {\n\t\t\tthis.insert( this.createElement( name, attributes ), itemOrPosition, offset );\n\t\t}\n\t}\n\n\t/**\n\t * Inserts item at the end of the given parent.\n\t *\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\twriter.append( paragraph, root );\n\t *\n\t * Note that if the item already has parent it will be removed from the previous parent.\n\t *\n\t * If you want to move {@link module:engine/model/range~Range range} instead of an\n\t * {@link module:engine/model/item~Item item} use {@link module:engine/model/writer~Writer#move `Writer#move()`}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/documentfragment~DocumentFragment}\n\t * item Item or document fragment to insert.\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} parent\n\t */\n\tappend( item, parent ) {\n\t\tthis.insert( item, parent, 'end' );\n\t}\n\n\t/**\n\t * Creates text node and inserts it at the end of the parent. You can optionally set text attributes:\n\t *\n\t *\t\twriter.appendText( 'foo', paragraph );\n\t *\t\twriter.appendText( 'foo', { bold: true }, paragraph );\n\t *\n\t * @param {String} text Text data.\n\t * @param {Object} [attributes] Text attributes.\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} parent\n\t */\n\tappendText( text, attributes, parent ) {\n\t\tif ( attributes instanceof DocumentFragment || attributes instanceof Element ) {\n\t\t\tthis.insert( this.createText( text ), attributes, 'end' );\n\t\t} else {\n\t\t\tthis.insert( this.createText( text, attributes ), parent, 'end' );\n\t\t}\n\t}\n\n\t/**\n\t * Creates element and inserts it at the end of the parent. You can optionally set attributes:\n\t *\n\t *\t\twriter.appendElement( 'paragraph', root );\n\t *\t\twriter.appendElement( 'paragraph', { alignment: 'center' }, root );\n\t *\n\t * @param {String} name Name of the element.\n\t * @param {Object} [attributes] Elements attributes.\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} parent\n\t */\n\tappendElement( name, attributes, parent ) {\n\t\tif ( attributes instanceof DocumentFragment || attributes instanceof Element ) {\n\t\t\tthis.insert( this.createElement( name ), attributes, 'end' );\n\t\t} else {\n\t\t\tthis.insert( this.createElement( name, attributes ), parent, 'end' );\n\t\t}\n\t}\n\n\t/**\n\t * Sets value of the attribute with given key on a {@link module:engine/model/item~Item model item}\n\t * or on a {@link module:engine/model/range~Range range}.\n\t *\n\t * @param {String} key Attribute key.\n\t * @param {*} value Attribute new value.\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange\n\t * Model item or range on which the attribute will be set.\n\t */\n\tsetAttribute( key, value, itemOrRange ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( itemOrRange instanceof Range ) {\n\t\t\tconst ranges = itemOrRange.getMinimalFlatRanges();\n\n\t\t\tfor ( const range of ranges ) {\n\t\t\t\tsetAttributeOnRange( this, key, value, range );\n\t\t\t}\n\t\t} else {\n\t\t\tsetAttributeOnItem( this, key, value, itemOrRange );\n\t\t}\n\t}\n\n\t/**\n\t * Sets values of attributes on a {@link module:engine/model/item~Item model item}\n\t * or on a {@link module:engine/model/range~Range range}.\n\t *\n\t *\t\twriter.setAttributes( {\n\t *\t\t\tbold: true,\n\t *\t\t\titalic: true\n\t *\t\t}, range );\n\t *\n\t * @param {Object} attributes Attributes keys and values.\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange\n\t * Model item or range on which the attributes will be set.\n\t */\n\tsetAttributes( attributes, itemOrRange ) {\n\t\tfor ( const [ key, val ] of toMap( attributes ) ) {\n\t\t\tthis.setAttribute( key, val, itemOrRange );\n\t\t}\n\t}\n\n\t/**\n\t * Removes an attribute with given key from a {@link module:engine/model/item~Item model item}\n\t * or from a {@link module:engine/model/range~Range range}.\n\t *\n\t * @param {String} key Attribute key.\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange\n\t * Model item or range from which the attribute will be removed.\n\t */\n\tremoveAttribute( key, itemOrRange ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( itemOrRange instanceof Range ) {\n\t\t\tconst ranges = itemOrRange.getMinimalFlatRanges();\n\n\t\t\tfor ( const range of ranges ) {\n\t\t\t\tsetAttributeOnRange( this, key, null, range );\n\t\t\t}\n\t\t} else {\n\t\t\tsetAttributeOnItem( this, key, null, itemOrRange );\n\t\t}\n\t}\n\n\t/**\n\t * Removes all attributes from all elements in the range or from the given item.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange\n\t * Model item or range from which all attributes will be removed.\n\t */\n\tclearAttributes( itemOrRange ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst removeAttributesFromItem = item => {\n\t\t\tfor ( const attribute of item.getAttributeKeys() ) {\n\t\t\t\tthis.removeAttribute( attribute, item );\n\t\t\t}\n\t\t};\n\n\t\tif ( !( itemOrRange instanceof Range ) ) {\n\t\t\tremoveAttributesFromItem( itemOrRange );\n\t\t} else {\n\t\t\tfor ( const item of itemOrRange.getItems() ) {\n\t\t\t\tremoveAttributesFromItem( item );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Moves all items in the source range to the target position.\n\t *\n\t *\t\twriter.move( sourceRange, targetPosition );\n\t *\n\t * Instead of the target position you can use parent and offset or define that range should be moved to the end\n\t * or before or after chosen item:\n\t *\n\t *\t\t// Moves all items in the range to the paragraph at offset 5:\n\t *\t\twriter.move( sourceRange, paragraph, 5 );\n\t *\t\t// Moves all items in the range to the end of a blockquote:\n\t *\t\twriter.move( sourceRange, blockquote, 'end' );\n\t *\t\t// Moves all items in the range to a position after an image:\n\t *\t\twriter.move( sourceRange, image, 'after' );\n\t *\n\t * These parameters works the same way as {@link #createPositionAt `writer.createPositionAt()`}.\n\t *\n\t * Note that items can be moved only within the same tree. It means that you can move items within the same root\n\t * (element or document fragment) or between {@link module:engine/model/document~Document#roots documents roots},\n\t * but you can not move items from document fragment to the document or from one detached element to another. Use\n\t * {@link module:engine/model/writer~Writer#insert} in such cases.\n\t *\n\t * @param {module:engine/model/range~Range} range Source range.\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * second parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tmove( range, itemOrPosition, offset ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( !( range instanceof Range ) ) {\n\t\t\t/**\n\t\t\t * Invalid range to move.\n\t\t\t *\n\t\t\t * @error writer-move-invalid-range\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-move-invalid-range', this );\n\t\t}\n\n\t\tif ( !range.isFlat ) {\n\t\t\t/**\n\t\t\t * Range to move is not flat.\n\t\t\t *\n\t\t\t * @error writer-move-range-not-flat\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-move-range-not-flat', this );\n\t\t}\n\n\t\tconst position = Position._createAt( itemOrPosition, offset );\n\n\t\t// Do not move anything if the move target is same as moved range start.\n\t\tif ( position.isEqual( range.start ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If part of the marker is removed, create additional marker operation for undo purposes.\n\t\tthis._addOperationForAffectedMarkers( 'move', range );\n\n\t\tif ( !isSameTree( range.root, position.root ) ) {\n\t\t\t/**\n\t\t\t * Range is going to be moved within not the same document. Please use\n\t\t\t * {@link module:engine/model/writer~Writer#insert insert} instead.\n\t\t\t *\n\t\t\t * @error writer-move-different-document\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-move-different-document', this );\n\t\t}\n\n\t\tconst version = range.root.document ? range.root.document.version : null;\n\t\tconst operation = new MoveOperation( range.start, range.end.offset - range.start.offset, position, version );\n\n\t\tthis.batch.addOperation( operation );\n\t\tthis.model.applyOperation( operation );\n\t}\n\n\t/**\n\t * Removes given model {@link module:engine/model/item~Item item} or {@link module:engine/model/range~Range range}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/range~Range} itemOrRange Model item or range to remove.\n\t */\n\tremove( itemOrRange ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst rangeToRemove = itemOrRange instanceof Range ? itemOrRange : Range._createOn( itemOrRange );\n\t\tconst ranges = rangeToRemove.getMinimalFlatRanges().reverse();\n\n\t\tfor ( const flat of ranges ) {\n\t\t\t// If part of the marker is removed, create additional marker operation for undo purposes.\n\t\t\tthis._addOperationForAffectedMarkers( 'move', flat );\n\n\t\t\tapplyRemoveOperation( flat.start, flat.end.offset - flat.start.offset, this.batch, this.model );\n\t\t}\n\t}\n\n\t/**\n\t * Merges two siblings at the given position.\n\t *\n\t * Node before and after the position have to be an element. Otherwise `writer-merge-no-element-before` or\n\t * `writer-merge-no-element-after` error will be thrown.\n\t *\n\t * @param {module:engine/model/position~Position} position Position between merged elements.\n\t */\n\tmerge( position ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst nodeBefore = position.nodeBefore;\n\t\tconst nodeAfter = position.nodeAfter;\n\n\t\t// If part of the marker is removed, create additional marker operation for undo purposes.\n\t\tthis._addOperationForAffectedMarkers( 'merge', position );\n\n\t\tif ( !( nodeBefore instanceof Element ) ) {\n\t\t\t/**\n\t\t\t * Node before merge position must be an element.\n\t\t\t *\n\t\t\t * @error writer-merge-no-element-before\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-merge-no-element-before', this );\n\t\t}\n\n\t\tif ( !( nodeAfter instanceof Element ) ) {\n\t\t\t/**\n\t\t\t * Node after merge position must be an element.\n\t\t\t *\n\t\t\t * @error writer-merge-no-element-after\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-merge-no-element-after', this );\n\t\t}\n\n\t\tif ( !position.root.document ) {\n\t\t\tthis._mergeDetached( position );\n\t\t} else {\n\t\t\tthis._merge( position );\n\t\t}\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createPositionFromPath `Model#createPositionFromPath()`}.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} root Root of the position.\n\t * @param {Array.<Number>} path Position path. See {@link module:engine/model/position~Position#path}.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * See {@link module:engine/model/position~PositionStickiness}.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionFromPath( root, path, stickiness ) {\n\t\treturn this.model.createPositionFromPath( root, path, stickiness );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createPositionAt `Model#createPositionAt()`}.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn this.model.createPositionAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createPositionAfter `Model#createPositionAfter()`}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item after which the position should be placed.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn this.model.createPositionAfter( item );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createPositionBefore `Model#createPositionBefore()`}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item after which the position should be placed.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn this.model.createPositionBefore( item );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createRange `Model#createRange()`}.\n\t *\n\t * @param {module:engine/model/position~Position} start Start position.\n\t * @param {module:engine/model/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn this.model.createRange( start, end );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createRangeIn `Model#createRangeIn()`}.\n\t *\n\t * @param {module:engine/model/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn this.model.createRangeIn( element );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createRangeOn `Model#createRangeOn()`}.\n\t *\n\t * @param {module:engine/model/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRangeOn( element ) {\n\t\treturn this.model.createRangeOn( element );\n\t}\n\n\t/**\n\t * Shortcut for {@link module:engine/model/model~Model#createSelection `Model#createSelection()`}.\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @returns {module:engine/model/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn this.model.createSelection( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Performs merge action in a detached tree.\n\t *\n\t * @private\n\t * @param {module:engine/model/position~Position} position Position between merged elements.\n\t */\n\t_mergeDetached( position ) {\n\t\tconst nodeBefore = position.nodeBefore;\n\t\tconst nodeAfter = position.nodeAfter;\n\n\t\tthis.move( Range._createIn( nodeAfter ), Position._createAt( nodeBefore, 'end' ) );\n\t\tthis.remove( nodeAfter );\n\t}\n\n\t/**\n\t * Performs merge action in a non-detached tree.\n\t *\n\t * @private\n\t * @param {module:engine/model/position~Position} position Position between merged elements.\n\t */\n\t_merge( position ) {\n\t\tconst targetPosition = Position._createAt( position.nodeBefore, 'end' );\n\t\tconst sourcePosition = Position._createAt( position.nodeAfter, 0 );\n\n\t\tconst graveyard = position.root.document.graveyard;\n\t\tconst graveyardPosition = new Position( graveyard, [ 0 ] );\n\n\t\tconst version = position.root.document.version;\n\n\t\tconst merge = new MergeOperation( sourcePosition, position.nodeAfter.maxOffset, targetPosition, graveyardPosition, version );\n\n\t\tthis.batch.addOperation( merge );\n\t\tthis.model.applyOperation( merge );\n\t}\n\n\t/**\n\t * Renames the given element.\n\t *\n\t * @param {module:engine/model/element~Element} element The element to rename.\n\t * @param {String} newName New element name.\n\t */\n\trename( element, newName ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( !( element instanceof Element ) ) {\n\t\t\t/**\n\t\t\t * Trying to rename an object which is not an instance of Element.\n\t\t\t *\n\t\t\t * @error writer-rename-not-element-instance\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'writer-rename-not-element-instance',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tconst version = element.root.document ? element.root.document.version : null;\n\t\tconst renameOperation = new RenameOperation( Position._createBefore( element ), element.name, newName, version );\n\n\t\tthis.batch.addOperation( renameOperation );\n\t\tthis.model.applyOperation( renameOperation );\n\t}\n\n\t/**\n\t * Splits elements starting from the given position and going to the top of the model tree as long as given\n\t * `limitElement` is reached. When `limitElement` is not defined then only the parent of the given position will be split.\n\t *\n\t * The element needs to have a parent. It cannot be a root element nor a document fragment.\n\t * The `writer-split-element-no-parent` error will be thrown if you try to split an element with no parent.\n\t *\n\t * @param {module:engine/model/position~Position} position Position of split.\n\t * @param {module:engine/model/node~Node} [limitElement] Stop splitting when this element will be reached.\n\t * @returns {Object} result Split result.\n\t * @returns {module:engine/model/position~Position} result.position Position between split elements.\n\t * @returns {module:engine/model/range~Range} result.range Range that stars from the end of the first split element and ends\n\t * at the beginning of the first copy element.\n\t */\n\tsplit( position, limitElement ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tlet splitElement = position.parent;\n\n\t\tif ( !splitElement.parent ) {\n\t\t\t/**\n\t\t\t * Element with no parent can not be split.\n\t\t\t *\n\t\t\t * @error writer-split-element-no-parent\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-split-element-no-parent', this );\n\t\t}\n\n\t\t// When limit element is not defined lets set splitElement parent as limit.\n\t\tif ( !limitElement ) {\n\t\t\tlimitElement = splitElement.parent;\n\t\t}\n\n\t\tif ( !position.parent.getAncestors( { includeSelf: true } ).includes( limitElement ) ) {\n\t\t\t/**\n\t\t\t * Limit element is not a position ancestor.\n\t\t\t *\n\t\t\t * @error writer-split-invalid-limit-element\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-split-invalid-limit-element', this );\n\t\t}\n\n\t\t// We need to cache elements that will be created as a result of the first split because\n\t\t// we need to create a range from the end of the first split element to the beginning of the\n\t\t// first copy element. This should be handled by LiveRange but it doesn't work on detached nodes.\n\t\tlet firstSplitElement, firstCopyElement;\n\n\t\tdo {\n\t\t\tconst version = splitElement.root.document ? splitElement.root.document.version : null;\n\t\t\tconst howMany = splitElement.maxOffset - position.offset;\n\n\t\t\tconst insertionPosition = SplitOperation.getInsertionPosition( position );\n\t\t\tconst split = new SplitOperation( position, howMany, insertionPosition, null, version );\n\n\t\t\tthis.batch.addOperation( split );\n\t\t\tthis.model.applyOperation( split );\n\n\t\t\t// Cache result of the first split.\n\t\t\tif ( !firstSplitElement && !firstCopyElement ) {\n\t\t\t\tfirstSplitElement = splitElement;\n\t\t\t\tfirstCopyElement = position.parent.nextSibling;\n\t\t\t}\n\n\t\t\tposition = this.createPositionAfter( position.parent );\n\t\t\tsplitElement = position.parent;\n\t\t} while ( splitElement !== limitElement );\n\n\t\treturn {\n\t\t\tposition,\n\t\t\trange: new Range( Position._createAt( firstSplitElement, 'end' ), Position._createAt( firstCopyElement, 0 ) )\n\t\t};\n\t}\n\n\t/**\n\t * Wraps the given range with the given element or with a new element (if a string was passed).\n\t *\n\t * **Note:** range to wrap should be a \"flat range\" (see {@link module:engine/model/range~Range#isFlat `Range#isFlat`}).\n\t * If not, an error will be thrown.\n\t *\n\t * @param {module:engine/model/range~Range} range Range to wrap.\n\t * @param {module:engine/model/element~Element|String} elementOrString Element or name of element to wrap the range with.\n\t */\n\twrap( range, elementOrString ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( !range.isFlat ) {\n\t\t\t/**\n\t\t\t * Range to wrap is not flat.\n\t\t\t *\n\t\t\t * @error writer-wrap-range-not-flat\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-wrap-range-not-flat', this );\n\t\t}\n\n\t\tconst element = elementOrString instanceof Element ? elementOrString : new Element( elementOrString );\n\n\t\tif ( element.childCount > 0 ) {\n\t\t\t/**\n\t\t\t * Element to wrap with is not empty.\n\t\t\t *\n\t\t\t * @error writer-wrap-element-not-empty\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-wrap-element-not-empty', this );\n\t\t}\n\n\t\tif ( element.parent !== null ) {\n\t\t\t/**\n\t\t\t * Element to wrap with is already attached to a tree model.\n\t\t\t *\n\t\t\t * @error writer-wrap-element-attached\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-wrap-element-attached', this );\n\t\t}\n\n\t\tthis.insert( element, range.start );\n\n\t\t// Shift the range-to-wrap because we just inserted an element before that range.\n\t\tconst shiftedRange = new Range( range.start.getShiftedBy( 1 ), range.end.getShiftedBy( 1 ) );\n\n\t\tthis.move( shiftedRange, Position._createAt( element, 0 ) );\n\t}\n\n\t/**\n\t * Unwraps children of the given element – all its children are moved before it and then the element is removed.\n\t * Throws error if you try to unwrap an element which does not have a parent.\n\t *\n\t * @param {module:engine/model/element~Element} element Element to unwrap.\n\t */\n\tunwrap( element ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( element.parent === null ) {\n\t\t\t/**\n\t\t\t * Trying to unwrap an element which has no parent.\n\t\t\t *\n\t\t\t * @error writer-unwrap-element-no-parent\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-unwrap-element-no-parent', this );\n\t\t}\n\n\t\tthis.move( Range._createIn( element ), this.createPositionAfter( element ) );\n\t\tthis.remove( element );\n\t}\n\n\t/**\n\t * Adds a {@link module:engine/model/markercollection~Marker marker}. Marker is a named range, which tracks\n\t * changes in the document and updates its range automatically, when model tree changes.\n\t *\n\t * As the first parameter you can set marker name.\n\t *\n\t * The required `options.usingOperation` parameter lets you decide if the marker should be managed by operations or not. See\n\t * {@link module:engine/model/markercollection~Marker marker class description} to learn about the difference between\n\t * markers managed by operations and not-managed by operations.\n\t *\n\t * The `options.affectsData` parameter, which defaults to `false`, allows you to define if a marker affects the data. It should be\n\t * `true` when the marker change changes the data returned by the\n\t * {@link module:core/editor/utils/dataapimixin~DataApi#getData `editor.getData()`} method.\n\t * When set to `true` it fires the {@link module:engine/model/document~Document#event:change:data `change:data`} event.\n\t * When set to `false` it fires the {@link module:engine/model/document~Document#event:change `change`} event.\n\t *\n\t * Create marker directly base on marker's name:\n\t *\n\t *\t\taddMarker( markerName, { range, usingOperation: false } );\n\t *\n\t * Create marker using operation:\n\t *\n\t *\t\taddMarker( markerName, { range, usingOperation: true } );\n\t *\n\t * Create marker that affects the editor data:\n\t *\n\t *\t\taddMarker( markerName, { range, usingOperation: false, affectsData: true } );\n\t *\n\t * Note: For efficiency reasons, it's best to create and keep as little markers as possible.\n\t *\n\t * @see module:engine/model/markercollection~Marker\n\t * @param {String} name Name of a marker to create - must be unique.\n\t * @param {Object} options\n\t * @param {Boolean} options.usingOperation Flag indicating that the marker should be added by MarkerOperation.\n\t * See {@link module:engine/model/markercollection~Marker#managedUsingOperations}.\n\t * @param {module:engine/model/range~Range} options.range Marker range.\n\t * @param {Boolean} [options.affectsData=false] Flag indicating that the marker changes the editor data.\n\t * @returns {module:engine/model/markercollection~Marker} Marker that was set.\n\t */\n\taddMarker( name, options ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( !options || typeof options.usingOperation != 'boolean' ) {\n\t\t\t/**\n\t\t\t * The `options.usingOperation` parameter is required when adding a new marker.\n\t\t\t *\n\t\t\t * @error writer-addmarker-no-usingoperation\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-addmarker-no-usingoperation', this );\n\t\t}\n\n\t\tconst usingOperation = options.usingOperation;\n\t\tconst range = options.range;\n\t\tconst affectsData = options.affectsData === undefined ? false : options.affectsData;\n\n\t\tif ( this.model.markers.has( name ) ) {\n\t\t\t/**\n\t\t\t * Marker with provided name already exists.\n\t\t\t *\n\t\t\t * @error writer-addmarker-marker-exists\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-addmarker-marker-exists', this );\n\t\t}\n\n\t\tif ( !range ) {\n\t\t\t/**\n\t\t\t * Range parameter is required when adding a new marker.\n\t\t\t *\n\t\t\t * @error writer-addmarker-no-range\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-addmarker-no-range', this );\n\t\t}\n\n\t\tif ( !usingOperation ) {\n\t\t\treturn this.model.markers._set( name, range, usingOperation, affectsData );\n\t\t}\n\n\t\tapplyMarkerOperation( this, name, null, range, affectsData );\n\n\t\treturn this.model.markers.get( name );\n\t}\n\n\t/**\n\t * Adds, updates or refreshes a {@link module:engine/model/markercollection~Marker marker}. Marker is a named range, which tracks\n\t * changes in the document and updates its range automatically, when model tree changes. Still, it is possible to change the\n\t * marker's range directly using this method.\n\t *\n\t * As the first parameter you can set marker name or instance. If none of them is provided, new marker, with a unique\n\t * name is created and returned.\n\t *\n\t * As the second parameter you can set the new marker data or leave this parameter as empty which will just refresh\n\t * the marker by triggering downcast conversion for it. Refreshing the marker is useful when you want to change\n\t * the marker {@link module:engine/view/element~Element view element} without changing any marker data.\n\t *\n\t * \t\tlet isCommentActive = false;\n\t *\n\t * \t\tmodel.conversion.markerToHighlight( {\n\t * \t\t\tmodel: 'comment',\n\t *\t\t\tview: data => {\n\t *\t\t\t\tconst classes = [ 'comment-marker' ];\n\t *\n\t *\t\t\t\tif ( isCommentActive ) {\n\t *\t\t\t\t\tclasses.push( 'comment-marker--active' );\n\t *\t\t\t\t}\n\t *\n\t *\t\t\t\treturn { classes };\n\t *\t\t\t}\n\t * \t\t} );\n\t *\n\t * \t\t// Change the property that indicates if marker is displayed as active or not.\n\t * \t\tisCommentActive = true;\n\t *\n\t * \t\t// And refresh the marker to convert it with additional class.\n\t * \t\tmodel.change( writer => writer.updateMarker( 'comment' ) );\n\t *\n\t * The `options.usingOperation` parameter lets you change if the marker should be managed by operations or not. See\n\t * {@link module:engine/model/markercollection~Marker marker class description} to learn about the difference between\n\t * markers managed by operations and not-managed by operations. It is possible to change this option for an existing marker.\n\t *\n\t * The `options.affectsData` parameter, which defaults to `false`, allows you to define if a marker affects the data. It should be\n\t * `true` when the marker change changes the data returned by\n\t * the {@link module:core/editor/utils/dataapimixin~DataApi#getData `editor.getData()`} method.\n\t * When set to `true` it fires the {@link module:engine/model/document~Document#event:change:data `change:data`} event.\n\t * When set to `false` it fires the {@link module:engine/model/document~Document#event:change `change`} event.\n\t *\n\t * Update marker directly base on marker's name:\n\t *\n\t *\t\tupdateMarker( markerName, { range } );\n\t *\n\t * Update marker using operation:\n\t *\n\t *\t\tupdateMarker( marker, { range, usingOperation: true } );\n\t *\t\tupdateMarker( markerName, { range, usingOperation: true } );\n\t *\n\t * Change marker's option (start using operations to manage it):\n\t *\n\t *\t\tupdateMarker( marker, { usingOperation: true } );\n\t *\n\t * Change marker's option (inform the engine, that the marker does not affect the data anymore):\n\t *\n\t *\t\tupdateMarker( markerName, { affectsData: false } );\n\t *\n\t * @see module:engine/model/markercollection~Marker\n\t * @param {String|module:engine/model/markercollection~Marker} markerOrName Name of a marker to update, or a marker instance.\n\t * @param {Object} [options] If options object is not defined then marker will be refreshed by triggering\n\t * downcast conversion for this marker with the same data.\n\t * @param {module:engine/model/range~Range} [options.range] Marker range to update.\n\t * @param {Boolean} [options.usingOperation] Flag indicated whether the marker should be added by MarkerOperation.\n\t * See {@link module:engine/model/markercollection~Marker#managedUsingOperations}.\n\t * @param {Boolean} [options.affectsData] Flag indicating that the marker changes the editor data.\n\t */\n\tupdateMarker( markerOrName, options ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst markerName = typeof markerOrName == 'string' ? markerOrName : markerOrName.name;\n\t\tconst currentMarker = this.model.markers.get( markerName );\n\n\t\tif ( !currentMarker ) {\n\t\t\t/**\n\t\t\t * Marker with provided name does not exists.\n\t\t\t *\n\t\t\t * @error writer-updatemarker-marker-not-exists\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-updatemarker-marker-not-exists', this );\n\t\t}\n\n\t\tif ( !options ) {\n\t\t\tthis.model.markers._refresh( currentMarker );\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst hasUsingOperationDefined = typeof options.usingOperation == 'boolean';\n\t\tconst affectsDataDefined = typeof options.affectsData == 'boolean';\n\n\t\t// Use previously defined marker's affectsData if the property is not provided.\n\t\tconst affectsData = affectsDataDefined ? options.affectsData : currentMarker.affectsData;\n\n\t\tif ( !hasUsingOperationDefined && !options.range && !affectsDataDefined ) {\n\t\t\t/**\n\t\t\t * One of the options is required - provide range, usingOperations or affectsData.\n\t\t\t *\n\t\t\t * @error writer-updatemarker-wrong-options\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-updatemarker-wrong-options', this );\n\t\t}\n\n\t\tconst currentRange = currentMarker.getRange();\n\t\tconst updatedRange = options.range ? options.range : currentRange;\n\n\t\tif ( hasUsingOperationDefined && options.usingOperation !== currentMarker.managedUsingOperations ) {\n\t\t\t// The marker type is changed so it's necessary to create proper operations.\n\t\t\tif ( options.usingOperation ) {\n\t\t\t\t// If marker changes to a managed one treat this as synchronizing existing marker.\n\t\t\t\t// Create `MarkerOperation` with `oldRange` set to `null`, so reverse operation will remove the marker.\n\t\t\t\tapplyMarkerOperation( this, markerName, null, updatedRange, affectsData );\n\t\t\t} else {\n\t\t\t\t// If marker changes to a marker that do not use operations then we need to create additional operation\n\t\t\t\t// that removes that marker first.\n\t\t\t\tapplyMarkerOperation( this, markerName, currentRange, null, affectsData );\n\n\t\t\t\t// Although not managed the marker itself should stay in model and its range should be preserver or changed to passed range.\n\t\t\t\tthis.model.markers._set( markerName, updatedRange, undefined, affectsData );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Marker's type doesn't change so update it accordingly.\n\t\tif ( currentMarker.managedUsingOperations ) {\n\t\t\tapplyMarkerOperation( this, markerName, currentRange, updatedRange, affectsData );\n\t\t} else {\n\t\t\tthis.model.markers._set( markerName, updatedRange, undefined, affectsData );\n\t\t}\n\t}\n\n\t/**\n\t * Removes given {@link module:engine/model/markercollection~Marker marker} or marker with given name.\n\t * The marker is removed accordingly to how it has been created, so if the marker was created using operation,\n\t * it will be destroyed using operation.\n\t *\n\t * @param {module:engine/model/markercollection~Marker|String} markerOrName Marker or marker name to remove.\n\t */\n\tremoveMarker( markerOrName ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tconst name = typeof markerOrName == 'string' ? markerOrName : markerOrName.name;\n\n\t\tif ( !this.model.markers.has( name ) ) {\n\t\t\t/**\n\t\t\t * Trying to remove marker which does not exist.\n\t\t\t *\n\t\t\t * @error writer-removemarker-no-marker\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'writer-removemarker-no-marker', this );\n\t\t}\n\n\t\tconst marker = this.model.markers.get( name );\n\n\t\tif ( !marker.managedUsingOperations ) {\n\t\t\tthis.model.markers._remove( name );\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst oldRange = marker.getRange();\n\n\t\tapplyMarkerOperation( this, name, oldRange, null, marker.affectsData );\n\t}\n\n\t/**\n\t * Sets the document's selection (ranges and direction) to the specified location based on the given\n\t * {@link module:engine/model/selection~Selectable selectable} or creates an empty selection if no arguments were passed.\n\t *\n\t *\t\t// Sets selection to the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\twriter.setSelection( range );\n\t *\n\t *\t\t// Sets selection to given ranges.\n\t *\t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\twriter.setSelection( ranges );\n\t *\n\t *\t\t// Sets selection to other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\twriter.setSelection( otherSelection );\n\t *\n\t *\t\t// Sets selection to the given document selection.\n\t *\t\tconst documentSelection = model.document.selection;\n\t *\t\twriter.setSelection( documentSelection );\n\t *\n\t *\t\t// Sets collapsed selection at the given position.\n\t *\t\tconst position = writer.createPosition( root, path );\n\t *\t\twriter.setSelection( position );\n\t *\n\t *\t\t// Sets collapsed selection at the position of the given node and an offset.\n\t *\t\twriter.setSelection( paragraph, offset );\n\t *\n\t * Creates a range inside an {@link module:engine/model/element~Element element} which starts before the first child of\n \t * that element and ends after the last child of that element.\n\t *\n\t *\t\twriter.setSelection( paragraph, 'in' );\n\t *\n\t * Creates a range on an {@link module:engine/model/item~Item item} which starts before the item and ends just after the item.\n\t *\n\t *\t\twriter.setSelection( paragraph, 'on' );\n\t *\n\t *\t\t// Removes all selection's ranges.\n\t *\t\twriter.setSelection( null );\n\t *\n\t * `Writer#setSelection()` allow passing additional options (`backward`) as the last argument.\n\t *\n\t *\t\t// Sets selection as backward.\n\t *\t\twriter.setSelection( range, { backward: true } );\n\t *\n\t * Throws `writer-incorrect-use` error when the writer is used outside the `change()` block.\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t */\n\tsetSelection( selectable, placeOrOffset, options ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tthis.model.document.selection._setTo( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Moves {@link module:engine/model/documentselection~DocumentSelection#focus} to the specified location.\n\t *\n\t * The location can be specified in the same form as\n\t * {@link #createPositionAt `writer.createPositionAt()`} parameters.\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset=0] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tsetSelectionFocus( itemOrPosition, offset ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tthis.model.document.selection._setFocus( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Sets attribute(s) on the selection. If attribute with the same key already is set, it's value is overwritten.\n\t *\n\t * Using key and value pair:\n\t *\n\t * \twriter.setSelectionAttribute( 'italic', true );\n\t *\n\t * Using key-value object:\n\t *\n\t * \twriter.setSelectionAttribute( { italic: true, bold: false } );\n\t *\n\t * Using iterable object:\n\t *\n\t * \twriter.setSelectionAttribute( new Map( [ [ 'italic', true ] ] ) );\n\t *\n\t * @param {String|Object|Iterable.<*>} keyOrObjectOrIterable Key of the attribute to set\n\t * or object / iterable of key => value attribute pairs.\n\t * @param {*} [value] Attribute value.\n\t */\n\tsetSelectionAttribute( keyOrObjectOrIterable, value ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( typeof keyOrObjectOrIterable === 'string' ) {\n\t\t\tthis._setSelectionAttribute( keyOrObjectOrIterable, value );\n\t\t} else {\n\t\t\tfor ( const [ key, value ] of toMap( keyOrObjectOrIterable ) ) {\n\t\t\t\tthis._setSelectionAttribute( key, value );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Removes attribute(s) with given key(s) from the selection.\n\t *\n\t * Remove one attribute:\n\t *\n\t *\t\twriter.removeSelectionAttribute( 'italic' );\n\t *\n\t * Remove multiple attributes:\n\t *\n\t *\t\twriter.removeSelectionAttribute( [ 'italic', 'bold' ] );\n\t *\n\t * @param {String|Iterable.<String>} keyOrIterableOfKeys Key of the attribute to remove or an iterable of attribute keys to remove.\n\t */\n\tremoveSelectionAttribute( keyOrIterableOfKeys ) {\n\t\tthis._assertWriterUsedCorrectly();\n\n\t\tif ( typeof keyOrIterableOfKeys === 'string' ) {\n\t\t\tthis._removeSelectionAttribute( keyOrIterableOfKeys );\n\t\t} else {\n\t\t\tfor ( const key of keyOrIterableOfKeys ) {\n\t\t\t\tthis._removeSelectionAttribute( key );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Temporarily changes the {@link module:engine/model/documentselection~DocumentSelection#isGravityOverridden gravity}\n\t * of the selection from left to right.\n\t *\n\t * The gravity defines from which direction the selection inherits its attributes. If it's the default left gravity,\n\t * then the selection (after being moved by the user) inherits attributes from its left-hand side.\n\t * This method allows to temporarily override this behavior by forcing the gravity to the right.\n\t *\n\t * For the following model fragment:\n\t *\n\t *\t\t<$text bold=\"true\" linkHref=\"url\">bar[]</$text><$text bold=\"true\">biz</$text>\n\t *\n\t * * Default gravity: selection will have the `bold` and `linkHref` attributes.\n\t * * Overridden gravity: selection will have `bold` attribute.\n\t *\n\t * **Note**: It returns an unique identifier which is required to restore the gravity. It guarantees the symmetry\n\t * of the process.\n\t *\n\t * @returns {String} The unique id which allows restoring the gravity.\n\t */\n\toverrideSelectionGravity() {\n\t\treturn this.model.document.selection._overrideGravity();\n\t}\n\n\t/**\n\t * Restores {@link ~Writer#overrideSelectionGravity} gravity to default.\n\t *\n\t * Restoring the gravity is only possible using the unique identifier returned by\n\t * {@link ~Writer#overrideSelectionGravity}. Note that the gravity remains overridden as long as won't be restored\n\t * the same number of times it was overridden.\n\t *\n\t * @param {String} uid The unique id returned by {@link ~Writer#overrideSelectionGravity}.\n\t */\n\trestoreSelectionGravity( uid ) {\n\t\tthis.model.document.selection._restoreGravity( uid );\n\t}\n\n\t/**\n\t * @private\n\t * @param {String} key Key of the attribute to remove.\n\t * @param {*} value Attribute value.\n\t */\n\t_setSelectionAttribute( key, value ) {\n\t\tconst selection = this.model.document.selection;\n\n\t\t// Store attribute in parent element if the selection is collapsed in an empty node.\n\t\tif ( selection.isCollapsed && selection.anchor.parent.isEmpty ) {\n\t\t\tconst storeKey = DocumentSelection._getStoreAttributeKey( key );\n\n\t\t\tthis.setAttribute( storeKey, value, selection.anchor.parent );\n\t\t}\n\n\t\tselection._setAttribute( key, value );\n\t}\n\n\t/**\n\t * @private\n\t * @param {String} key Key of the attribute to remove.\n\t */\n\t_removeSelectionAttribute( key ) {\n\t\tconst selection = this.model.document.selection;\n\n\t\t// Remove stored attribute from parent element if the selection is collapsed in an empty node.\n\t\tif ( selection.isCollapsed && selection.anchor.parent.isEmpty ) {\n\t\t\tconst storeKey = DocumentSelection._getStoreAttributeKey( key );\n\n\t\t\tthis.removeAttribute( storeKey, selection.anchor.parent );\n\t\t}\n\n\t\tselection._removeAttribute( key );\n\t}\n\n\t/**\n\t * Throws `writer-detached-writer-tries-to-modify-model` error when the writer is used outside of the `change()` block.\n\t *\n\t * @private\n\t */\n\t_assertWriterUsedCorrectly() {\n\t\t/**\n\t\t * Trying to use a writer outside a {@link module:engine/model/model~Model#change `change()`} or\n\t\t * {@link module:engine/model/model~Model#enqueueChange `enqueueChange()`} blocks.\n\t\t *\n\t\t * The writer can only be used inside these blocks which ensures that the model\n\t\t * can only be changed during such \"sessions\".\n\t\t *\n\t\t * @error writer-incorrect-use\n\t\t */\n\t\tif ( this.model._currentWriter !== this ) {\n\t\t\tthrow new CKEditorError( 'writer-incorrect-use', this );\n\t\t}\n\t}\n\n\t/**\n\t * For given action `type` and `positionOrRange` where the action happens, this function finds all affected markers\n\t * and applies a marker operation with the new marker range equal to the current range. Thanks to this, the marker range\n\t * can be later correctly processed during undo.\n\t *\n\t * @private\n\t * @param {'move'|'merge'} type Writer action type.\n\t * @param {module:engine/model/position~Position|module:engine/model/range~Range} positionOrRange Position or range\n\t * where the writer action happens.\n\t */\n\t_addOperationForAffectedMarkers( type, positionOrRange ) {\n\t\tfor ( const marker of this.model.markers ) {\n\t\t\tif ( !marker.managedUsingOperations ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst markerRange = marker.getRange();\n\t\t\tlet isAffected = false;\n\n\t\t\tif ( type === 'move' ) {\n\t\t\t\tisAffected =\n\t\t\t\t\tpositionOrRange.containsPosition( markerRange.start ) ||\n\t\t\t\t\tpositionOrRange.start.isEqual( markerRange.start ) ||\n\t\t\t\t\tpositionOrRange.containsPosition( markerRange.end ) ||\n\t\t\t\t\tpositionOrRange.end.isEqual( markerRange.end );\n\t\t\t} else {\n\t\t\t\t// if type === 'merge'.\n\t\t\t\tconst elementBefore = positionOrRange.nodeBefore;\n\t\t\t\tconst elementAfter = positionOrRange.nodeAfter;\n\n\t\t\t\t//               Start:  <p>Foo[</p><p>Bar]</p>\n\t\t\t\t//         After merge:  <p>Foo[Bar]</p>\n\t\t\t\t// After undoing split:  <p>Foo</p><p>[Bar]</p>     <-- incorrect, needs remembering for undo.\n\t\t\t\t//\n\t\t\t\tconst affectedInLeftElement = markerRange.start.parent == elementBefore && markerRange.start.isAtEnd;\n\n\t\t\t\t//               Start:  <p>[Foo</p><p>]Bar</p>\n\t\t\t\t//         After merge:  <p>[Foo]Bar</p>\n\t\t\t\t// After undoing split:  <p>[Foo]</p><p>Bar</p>     <-- incorrect, needs remembering for undo.\n\t\t\t\t//\n\t\t\t\tconst affectedInRightElement = markerRange.end.parent == elementAfter && markerRange.end.offset == 0;\n\n\t\t\t\t//               Start:  <p>[Foo</p>]<p>Bar</p>\n\t\t\t\t//         After merge:  <p>[Foo]Bar</p>\n\t\t\t\t// After undoing split:  <p>[Foo]</p><p>Bar</p>     <-- incorrect, needs remembering for undo.\n\t\t\t\t//\n\t\t\t\tconst affectedAfterLeftElement = markerRange.end.nodeAfter == elementAfter;\n\n\t\t\t\t//               Start:  <p>Foo</p>[<p>Bar]</p>\n\t\t\t\t//         After merge:  <p>Foo[Bar]</p>\n\t\t\t\t// After undoing split:  <p>Foo</p><p>[Bar]</p>     <-- incorrect, needs remembering for undo.\n\t\t\t\t//\n\t\t\t\tconst affectedBeforeRightElement = markerRange.start.nodeAfter == elementAfter;\n\n\t\t\t\tisAffected = affectedInLeftElement || affectedInRightElement || affectedAfterLeftElement || affectedBeforeRightElement;\n\t\t\t}\n\n\t\t\tif ( isAffected ) {\n\t\t\t\tthis.updateMarker( marker.name, { range: markerRange } );\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Sets given attribute to each node in given range. When attribute value is null then attribute will be removed.\n//\n// Because attribute operation needs to have the same attribute value on the whole range, this function splits\n// the range into smaller parts.\n//\n// Given `range` must be flat.\n//\n// @private\n// @param {module:engine/model/writer~Writer} writer\n// @param {String} key Attribute key.\n// @param {*} value Attribute new value.\n// @param {module:engine/model/range~Range} range Model range on which the attribute will be set.\nfunction setAttributeOnRange( writer, key, value, range ) {\n\tconst model = writer.model;\n\tconst doc = model.document;\n\n\t// Position of the last split, the beginning of the new range.\n\tlet lastSplitPosition = range.start;\n\n\t// Currently position in the scanning range. Because we need value after the position, it is not a current\n\t// position of the iterator but the previous one (we need to iterate one more time to get the value after).\n\tlet position;\n\n\t// Value before the currently position.\n\tlet valueBefore;\n\n\t// Value after the currently position.\n\tlet valueAfter;\n\n\tfor ( const val of range.getWalker( { shallow: true } ) ) {\n\t\tvalueAfter = val.item.getAttribute( key );\n\n\t\t// At the first run of the iterator the position in undefined. We also do not have a valueBefore, but\n\t\t// because valueAfter may be null, valueBefore may be equal valueAfter ( undefined == null ).\n\t\tif ( position && valueBefore != valueAfter ) {\n\t\t\t// if valueBefore == value there is nothing to change, so we add operation only if these values are different.\n\t\t\tif ( valueBefore != value ) {\n\t\t\t\taddOperation();\n\t\t\t}\n\n\t\t\tlastSplitPosition = position;\n\t\t}\n\n\t\tposition = val.nextPosition;\n\t\tvalueBefore = valueAfter;\n\t}\n\n\t// Because position in the loop is not the iterator position (see let position comment), the last position in\n\t// the while loop will be last but one position in the range. We need to check the last position manually.\n\tif ( position instanceof Position && position != lastSplitPosition && valueBefore != value ) {\n\t\taddOperation();\n\t}\n\n\tfunction addOperation() {\n\t\tconst range = new Range( lastSplitPosition, position );\n\t\tconst version = range.root.document ? doc.version : null;\n\t\tconst operation = new AttributeOperation( range, key, valueBefore, value, version );\n\n\t\twriter.batch.addOperation( operation );\n\t\tmodel.applyOperation( operation );\n\t}\n}\n\n// Sets given attribute to the given node. When attribute value is null then attribute will be removed.\n//\n// @private\n// @param {module:engine/model/writer~Writer} writer\n// @param {String} key Attribute key.\n// @param {*} value Attribute new value.\n// @param {module:engine/model/item~Item} item Model item on which the attribute will be set.\nfunction setAttributeOnItem( writer, key, value, item ) {\n\tconst model = writer.model;\n\tconst doc = model.document;\n\tconst previousValue = item.getAttribute( key );\n\tlet range, operation;\n\n\tif ( previousValue != value ) {\n\t\tconst isRootChanged = item.root === item;\n\n\t\tif ( isRootChanged ) {\n\t\t\t// If we change attributes of root element, we have to use `RootAttributeOperation`.\n\t\t\tconst version = item.document ? doc.version : null;\n\n\t\t\toperation = new RootAttributeOperation( item, key, previousValue, value, version );\n\t\t} else {\n\t\t\trange = new Range( Position._createBefore( item ), writer.createPositionAfter( item ) );\n\n\t\t\tconst version = range.root.document ? doc.version : null;\n\n\t\t\toperation = new AttributeOperation( range, key, previousValue, value, version );\n\t\t}\n\n\t\twriter.batch.addOperation( operation );\n\t\tmodel.applyOperation( operation );\n\t}\n}\n\n// Creates and applies marker operation to {@link module:engine/model/operation/operation~Operation operation}.\n//\n// @private\n// @param {module:engine/model/writer~Writer} writer\n// @param {String} name Marker name.\n// @param {module:engine/model/range~Range} oldRange Marker range before the change.\n// @param {module:engine/model/range~Range} newRange Marker range after the change.\n// @param {Boolean} affectsData\nfunction applyMarkerOperation( writer, name, oldRange, newRange, affectsData ) {\n\tconst model = writer.model;\n\tconst doc = model.document;\n\n\tconst operation = new MarkerOperation( name, oldRange, newRange, model.markers, affectsData, doc.version );\n\n\twriter.batch.addOperation( operation );\n\tmodel.applyOperation( operation );\n}\n\n// Creates `MoveOperation` or `DetachOperation` that removes `howMany` nodes starting from `position`.\n// The operation will be applied on given model instance and added to given operation instance.\n//\n// @private\n// @param {module:engine/model/position~Position} position Position from which nodes are removed.\n// @param {Number} howMany Number of nodes to remove.\n// @param {Batch} batch Batch to which the operation will be added.\n// @param {module:engine/model/model~Model} model Model instance on which operation will be applied.\nfunction applyRemoveOperation( position, howMany, batch, model ) {\n\tlet operation;\n\n\tif ( position.root.document ) {\n\t\tconst doc = model.document;\n\t\tconst graveyardPosition = new Position( doc.graveyard, [ 0 ] );\n\n\t\toperation = new MoveOperation( position, howMany, graveyardPosition, doc.version );\n\t} else {\n\t\toperation = new DetachOperation( position, howMany );\n\t}\n\n\tbatch.addOperation( operation );\n\tmodel.applyOperation( operation );\n}\n\n// Returns `true` if both root elements are the same element or both are documents root elements.\n//\n// Elements in the same tree can be moved (for instance you can move element form one documents root to another, or\n// within the same document fragment), but when element supposed to be moved from document fragment to the document, or\n// to another document it should be removed and inserted to avoid problems with OT. This is because features like undo or\n// collaboration may track changes on the document but ignore changes on detached fragments and should not get\n// unexpected `move` operation.\nfunction isSameTree( rootA, rootB ) {\n\t// If it is the same root this is the same tree.\n\tif ( rootA === rootB ) {\n\t\treturn true;\n\t}\n\n\t// If both roots are documents root it is operation within the document what we still treat as the same tree.\n\tif ( rootA instanceof RootElement && rootB instanceof RootElement ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/differ\n */\n\nimport Position from './position';\nimport Range from './range';\n\n/**\n * Calculates the difference between two model states.\n *\n * Receives operations that are to be applied on the model document. Marks parts of the model document tree which\n * are changed and saves the state of these elements before the change. Then, it compares saved elements with the\n * changed elements, after all changes are applied on the model document. Calculates the diff between saved\n * elements and new ones and returns a change set.\n */\nexport default class Differ {\n\t/**\n\t * Creates a `Differ` instance.\n\t *\n\t * @param {module:engine/model/markercollection~MarkerCollection} markerCollection Model's marker collection.\n\t */\n\tconstructor( markerCollection ) {\n\t\t/**\n\t\t * Reference to the model's marker collection.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/markercollection~MarkerCollection}\n\t\t */\n\t\tthis._markerCollection = markerCollection;\n\n\t\t/**\n\t\t * A map that stores changes that happened in a given element.\n\t\t *\n\t\t * The keys of the map are references to the model elements.\n\t\t * The values of the map are arrays with changes that were done on this element.\n\t\t *\n\t\t * @private\n\t\t * @type {Map}\n\t\t */\n\t\tthis._changesInElement = new Map();\n\n\t\t/**\n\t\t * A map that stores \"element's children snapshots\". A snapshot is representing children of a given element before\n\t\t * the first change was applied on that element. Snapshot items are objects with two properties: `name`,\n\t\t * containing the element name (or `'$text'` for a text node) and `attributes` which is a map of the node's attributes.\n\t\t *\n\t\t * @private\n\t\t * @type {Map}\n\t\t */\n\t\tthis._elementSnapshots = new Map();\n\n\t\t/**\n\t\t * A map that stores all changed markers.\n\t\t *\n\t\t * The keys of the map are marker names.\n\t\t * The values of the map are objects with the `oldRange` and `newRange` properties. They store the marker range\n\t\t * state before and after the change.\n\t\t *\n\t\t * @private\n\t\t * @type {Map}\n\t\t */\n\t\tthis._changedMarkers = new Map();\n\n\t\t/**\n\t\t * Stores the number of changes that were processed. Used to order the changes chronologically. It is important\n\t\t * when changes are sorted.\n\t\t *\n\t\t * @private\n\t\t * @type {Number}\n\t\t */\n\t\tthis._changeCount = 0;\n\n\t\t/**\n\t\t * For efficiency purposes, `Differ` stores the change set returned by the differ after {@link #getChanges} call.\n\t\t * Cache is reset each time a new operation is buffered. If the cache has not been reset, {@link #getChanges} will\n\t\t * return the cached value instead of calculating it again.\n\t\t *\n\t\t * This property stores those changes that did not take place in graveyard root.\n\t\t *\n\t\t * @private\n\t\t * @type {Array.<Object>|null}\n\t\t */\n\t\tthis._cachedChanges = null;\n\n\t\t/**\n\t\t * For efficiency purposes, `Differ` stores the change set returned by the differ after the {@link #getChanges} call.\n\t\t * The cache is reset each time a new operation is buffered. If the cache has not been reset, {@link #getChanges} will\n\t\t * return the cached value instead of calculating it again.\n\t\t *\n\t\t * This property stores all changes evaluated by `Differ`, including those that took place in the graveyard.\n\t\t *\n\t\t * @private\n\t\t * @type {Array.<Object>|null}\n\t\t */\n\t\tthis._cachedChangesWithGraveyard = null;\n\t}\n\n\t/**\n\t * Informs whether there are any changes buffered in `Differ`.\n\t *\n\t * @readonly\n\t * @type {Boolean}\n\t */\n\tget isEmpty() {\n\t\treturn this._changesInElement.size == 0 && this._changedMarkers.size == 0;\n\t}\n\n\t/**\n\t * Marks given `item` in differ to be \"refreshed\". It means that the item will be marked as removed and inserted in the differ changes\n\t * set, so it will be effectively re-converted when differ changes will be handled by a dispatcher.\n\t *\n\t * @param {module:engine/model/item~Item} item Item to refresh.\n\t */\n\trefreshItem( item ) {\n\t\tif ( this._isInInsertedElement( item.parent ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._markRemove( item.parent, item.startOffset, item.offsetSize );\n\t\tthis._markInsert( item.parent, item.startOffset, item.offsetSize );\n\n\t\tconst range = Range._createOn( item );\n\n\t\tfor ( const marker of this._markerCollection.getMarkersIntersectingRange( range ) ) {\n\t\t\tconst markerRange = marker.getRange();\n\n\t\t\tthis.bufferMarkerChange( marker.name, markerRange, markerRange, marker.affectsData );\n\t\t}\n\n\t\t// Clear cache after each buffered operation as it is no longer valid.\n\t\tthis._cachedChanges = null;\n\t}\n\n\t/**\n\t * Buffers the given operation. An operation has to be buffered before it is executed.\n\t *\n\t * Operation type is checked and it is checked which nodes it will affect. These nodes are then stored in `Differ`\n\t * in the state before the operation is executed.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation An operation to buffer.\n\t */\n\tbufferOperation( operation ) {\n\t\t// Below we take an operation, check its type, then use its parameters in marking (private) methods.\n\t\t// The general rule is to not mark elements inside inserted element. All inserted elements are re-rendered.\n\t\t// Marking changes in them would cause a \"double\" changing then.\n\t\t//\n\t\tswitch ( operation.type ) {\n\t\t\tcase 'insert': {\n\t\t\t\tif ( this._isInInsertedElement( operation.position.parent ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tthis._markInsert( operation.position.parent, operation.position.offset, operation.nodes.maxOffset );\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'addAttribute':\n\t\t\tcase 'removeAttribute':\n\t\t\tcase 'changeAttribute': {\n\t\t\t\tfor ( const item of operation.range.getItems( { shallow: true } ) ) {\n\t\t\t\t\tif ( this._isInInsertedElement( item.parent ) ) {\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._markAttribute( item );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'remove':\n\t\t\tcase 'move':\n\t\t\tcase 'reinsert': {\n\t\t\t\t// When range is moved to the same position then not mark it as a change.\n\t\t\t\t// See: https://github.com/ckeditor/ckeditor5-engine/issues/1664.\n\t\t\t\tif (\n\t\t\t\t\toperation.sourcePosition.isEqual( operation.targetPosition ) ||\n\t\t\t\t\toperation.sourcePosition.getShiftedBy( operation.howMany ).isEqual( operation.targetPosition )\n\t\t\t\t) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst sourceParentInserted = this._isInInsertedElement( operation.sourcePosition.parent );\n\t\t\t\tconst targetParentInserted = this._isInInsertedElement( operation.targetPosition.parent );\n\n\t\t\t\tif ( !sourceParentInserted ) {\n\t\t\t\t\tthis._markRemove( operation.sourcePosition.parent, operation.sourcePosition.offset, operation.howMany );\n\t\t\t\t}\n\n\t\t\t\tif ( !targetParentInserted ) {\n\t\t\t\t\tthis._markInsert( operation.targetPosition.parent, operation.getMovedRangeStart().offset, operation.howMany );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'rename': {\n\t\t\t\tif ( this._isInInsertedElement( operation.position.parent ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tthis._markRemove( operation.position.parent, operation.position.offset, 1 );\n\t\t\t\tthis._markInsert( operation.position.parent, operation.position.offset, 1 );\n\n\t\t\t\tconst range = Range._createFromPositionAndShift( operation.position, 1 );\n\n\t\t\t\tfor ( const marker of this._markerCollection.getMarkersIntersectingRange( range ) ) {\n\t\t\t\t\tconst markerRange = marker.getRange();\n\n\t\t\t\t\tthis.bufferMarkerChange( marker.name, markerRange, markerRange, marker.affectsData );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'split': {\n\t\t\t\tconst splitElement = operation.splitPosition.parent;\n\n\t\t\t\t// Mark that children of the split element were removed.\n\t\t\t\tif ( !this._isInInsertedElement( splitElement ) ) {\n\t\t\t\t\tthis._markRemove( splitElement, operation.splitPosition.offset, operation.howMany );\n\t\t\t\t}\n\n\t\t\t\t// Mark that the new element (split copy) was inserted.\n\t\t\t\tif ( !this._isInInsertedElement( operation.insertionPosition.parent ) ) {\n\t\t\t\t\tthis._markInsert( operation.insertionPosition.parent, operation.insertionPosition.offset, 1 );\n\t\t\t\t}\n\n\t\t\t\t// If the split took the element from the graveyard, mark that the element from the graveyard was removed.\n\t\t\t\tif ( operation.graveyardPosition ) {\n\t\t\t\t\tthis._markRemove( operation.graveyardPosition.parent, operation.graveyardPosition.offset, 1 );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcase 'merge': {\n\t\t\t\t// Mark that the merged element was removed.\n\t\t\t\tconst mergedElement = operation.sourcePosition.parent;\n\n\t\t\t\tif ( !this._isInInsertedElement( mergedElement.parent ) ) {\n\t\t\t\t\tthis._markRemove( mergedElement.parent, mergedElement.startOffset, 1 );\n\t\t\t\t}\n\n\t\t\t\t// Mark that the merged element was inserted into graveyard.\n\t\t\t\tconst graveyardParent = operation.graveyardPosition.parent;\n\n\t\t\t\tthis._markInsert( graveyardParent, operation.graveyardPosition.offset, 1 );\n\n\t\t\t\t// Mark that children of merged element were inserted at new parent.\n\t\t\t\tconst mergedIntoElement = operation.targetPosition.parent;\n\n\t\t\t\tif ( !this._isInInsertedElement( mergedIntoElement ) ) {\n\t\t\t\t\tthis._markInsert( mergedIntoElement, operation.targetPosition.offset, mergedElement.maxOffset );\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\t// Clear cache after each buffered operation as it is no longer valid.\n\t\tthis._cachedChanges = null;\n\t}\n\n\t/**\n\t * Buffers a marker change.\n\t *\n\t * @param {String} markerName The name of the marker that changed.\n\t * @param {module:engine/model/range~Range|null} oldRange Marker range before the change or `null` if the marker has just\n\t * been created.\n\t * @param {module:engine/model/range~Range|null} newRange Marker range after the change or `null` if the marker was removed.\n\t * @param {Boolean} affectsData Flag indicating whether marker affects the editor data.\n\t */\n\tbufferMarkerChange( markerName, oldRange, newRange, affectsData ) {\n\t\tconst buffered = this._changedMarkers.get( markerName );\n\n\t\tif ( !buffered ) {\n\t\t\tthis._changedMarkers.set( markerName, {\n\t\t\t\toldRange,\n\t\t\t\tnewRange,\n\t\t\t\taffectsData\n\t\t\t} );\n\t\t} else {\n\t\t\tbuffered.newRange = newRange;\n\t\t\tbuffered.affectsData = affectsData;\n\n\t\t\tif ( buffered.oldRange == null && buffered.newRange == null ) {\n\t\t\t\t// The marker is going to be removed (`newRange == null`) but it did not exist before the first buffered change\n\t\t\t\t// (`buffered.oldRange == null`). In this case, do not keep the marker in buffer at all.\n\t\t\t\tthis._changedMarkers.delete( markerName );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns all markers that should be removed as a result of buffered changes.\n\t *\n\t * @returns {Array.<Object>} Markers to remove. Each array item is an object containing the `name` and `range` properties.\n\t */\n\tgetMarkersToRemove() {\n\t\tconst result = [];\n\n\t\tfor ( const [ name, change ] of this._changedMarkers ) {\n\t\t\tif ( change.oldRange != null ) {\n\t\t\t\tresult.push( { name, range: change.oldRange } );\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Returns all markers which should be added as a result of buffered changes.\n\t *\n\t * @returns {Array.<Object>} Markers to add. Each array item is an object containing the `name` and `range` properties.\n\t */\n\tgetMarkersToAdd() {\n\t\tconst result = [];\n\n\t\tfor ( const [ name, change ] of this._changedMarkers ) {\n\t\t\tif ( change.newRange != null ) {\n\t\t\t\tresult.push( { name, range: change.newRange } );\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n\n\t/**\n\t * Returns all markers which changed.\n\t *\n\t * @returns {Array.<Object>}\n\t */\n\tgetChangedMarkers() {\n\t\treturn Array.from( this._changedMarkers ).map( item => (\n\t\t\t{\n\t\t\t\tname: item[ 0 ],\n\t\t\t\tdata: {\n\t\t\t\t\toldRange: item[ 1 ].oldRange,\n\t\t\t\t\tnewRange: item[ 1 ].newRange\n\t\t\t\t}\n\t\t\t}\n\t\t) );\n\t}\n\n\t/**\n\t * Checks whether some of the buffered changes affect the editor data.\n\t *\n\t * Types of changes which affect the editor data:\n\t *\n\t * * model structure changes,\n\t * * attribute changes,\n\t * * changes of markers which were defined as `affectingData`.\n\t *\n\t * @returns {Boolean}\n\t */\n\thasDataChanges() {\n\t\tfor ( const [ , change ] of this._changedMarkers ) {\n\t\t\tif ( change.affectsData ) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\n\t\t// If markers do not affect the data, check whether there are some changes in elements.\n\t\treturn this._changesInElement.size > 0;\n\t}\n\n\t/**\n\t * Calculates the diff between the old model tree state (the state before the first buffered operations since the last {@link #reset}\n\t * call) and the new model tree state (actual one). It should be called after all buffered operations are executed.\n\t *\n\t * The diff set is returned as an array of {@link module:engine/model/differ~DiffItem diff items}, each describing a change done\n\t * on the model. The items are sorted by the position on which the change happened. If a position\n\t * {@link module:engine/model/position~Position#isBefore is before} another one, it will be on an earlier index in the diff set.\n\t *\n\t * **Note**: Elements inside inserted element will not have a separate diff item, only the top most element change will be reported.\n\t *\n\t * Because calculating the diff is a costly operation, the result is cached. If no new operation was buffered since the\n\t * previous {@link #getChanges} call, the next call will return the cached value.\n\t *\n\t * @param {Object} options Additional options.\n\t * @param {Boolean} [options.includeChangesInGraveyard=false] If set to `true`, also changes that happened\n\t * in the graveyard root will be returned. By default, changes in the graveyard root are not returned.\n\t * @returns {Array.<module:engine/model/differ~DiffItem>} Diff between the old and the new model tree state.\n\t */\n\tgetChanges( options = { includeChangesInGraveyard: false } ) {\n\t\t// If there are cached changes, just return them instead of calculating changes again.\n\t\tif ( this._cachedChanges ) {\n\t\t\tif ( options.includeChangesInGraveyard ) {\n\t\t\t\treturn this._cachedChangesWithGraveyard.slice();\n\t\t\t} else {\n\t\t\t\treturn this._cachedChanges.slice();\n\t\t\t}\n\t\t}\n\n\t\t// Will contain returned results.\n\t\tlet diffSet = [];\n\n\t\t// Check all changed elements.\n\t\tfor ( const element of this._changesInElement.keys() ) {\n\t\t\t// Get changes for this element and sort them.\n\t\t\tconst changes = this._changesInElement.get( element ).sort( ( a, b ) => {\n\t\t\t\tif ( a.offset === b.offset ) {\n\t\t\t\t\tif ( a.type != b.type ) {\n\t\t\t\t\t\t// If there are multiple changes at the same position, \"remove\" change should be first.\n\t\t\t\t\t\t// If the order is different, for example, we would first add some nodes and then removed them\n\t\t\t\t\t\t// (instead of the nodes that we should remove).\n\t\t\t\t\t\treturn a.type == 'remove' ? -1 : 1;\n\t\t\t\t\t}\n\n\t\t\t\t\treturn 0;\n\t\t\t\t}\n\n\t\t\t\treturn a.offset < b.offset ? -1 : 1;\n\t\t\t} );\n\n\t\t\t// Get children of this element before any change was applied on it.\n\t\t\tconst snapshotChildren = this._elementSnapshots.get( element );\n\t\t\t// Get snapshot of current element's children.\n\t\t\tconst elementChildren = _getChildrenSnapshot( element.getChildren() );\n\n\t\t\t// Generate actions basing on changes done on element.\n\t\t\tconst actions = _generateActionsFromChanges( snapshotChildren.length, changes );\n\n\t\t\tlet i = 0; // Iterator in `elementChildren` array -- iterates through current children of element.\n\t\t\tlet j = 0; // Iterator in `snapshotChildren` array -- iterates through old children of element.\n\n\t\t\t// Process every action.\n\t\t\tfor ( const action of actions ) {\n\t\t\t\tif ( action === 'i' ) {\n\t\t\t\t\t// Generate diff item for this element and insert it into the diff set.\n\t\t\t\t\tdiffSet.push( this._getInsertDiff( element, i, elementChildren[ i ].name ) );\n\n\t\t\t\t\ti++;\n\t\t\t\t} else if ( action === 'r' ) {\n\t\t\t\t\t// Generate diff item for this element and insert it into the diff set.\n\t\t\t\t\tdiffSet.push( this._getRemoveDiff( element, i, snapshotChildren[ j ].name ) );\n\n\t\t\t\t\tj++;\n\t\t\t\t} else if ( action === 'a' ) {\n\t\t\t\t\t// Take attributes from saved and current children.\n\t\t\t\t\tconst elementAttributes = elementChildren[ i ].attributes;\n\t\t\t\t\tconst snapshotAttributes = snapshotChildren[ j ].attributes;\n\t\t\t\t\tlet range;\n\n\t\t\t\t\tif ( elementChildren[ i ].name == '$text' ) {\n\t\t\t\t\t\trange = new Range( Position._createAt( element, i ), Position._createAt( element, i + 1 ) );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tconst index = element.offsetToIndex( i );\n\t\t\t\t\t\trange = new Range( Position._createAt( element, i ), Position._createAt( element.getChild( index ), 0 ) );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Generate diff items for this change (there might be multiple attributes changed and\n\t\t\t\t\t// there is a single diff for each of them) and insert them into the diff set.\n\t\t\t\t\tdiffSet.push( ...this._getAttributesDiff( range, snapshotAttributes, elementAttributes ) );\n\n\t\t\t\t\ti++;\n\t\t\t\t\tj++;\n\t\t\t\t} else {\n\t\t\t\t\t// `action` is 'equal'. Child not changed.\n\t\t\t\t\ti++;\n\t\t\t\t\tj++;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Then, sort the changes by the position (change at position before other changes is first).\n\t\tdiffSet.sort( ( a, b ) => {\n\t\t\t// If the change is in different root, we don't care much, but we'd like to have all changes in given\n\t\t\t// root \"together\" in the array. So let's just sort them by the root name. It does not matter which root\n\t\t\t// will be processed first.\n\t\t\tif ( a.position.root != b.position.root ) {\n\t\t\t\treturn a.position.root.rootName < b.position.root.rootName ? -1 : 1;\n\t\t\t}\n\n\t\t\t// If change happens at the same position...\n\t\t\tif ( a.position.isEqual( b.position ) ) {\n\t\t\t\t// Keep chronological order of operations.\n\t\t\t\treturn a.changeCount - b.changeCount;\n\t\t\t}\n\n\t\t\t// If positions differ, position \"on the left\" should be earlier in the result.\n\t\t\treturn a.position.isBefore( b.position ) ? -1 : 1;\n\t\t} );\n\n\t\t// Glue together multiple changes (mostly on text nodes).\n\t\tfor ( let i = 1, prevIndex = 0; i < diffSet.length; i++ ) {\n\t\t\tconst prevDiff = diffSet[ prevIndex ];\n\t\t\tconst thisDiff = diffSet[ i ];\n\n\t\t\t// Glue remove changes if they happen on text on same position.\n\t\t\tconst isConsecutiveTextRemove =\n\t\t\t\tprevDiff.type == 'remove' && thisDiff.type == 'remove' &&\n\t\t\t\tprevDiff.name == '$text' && thisDiff.name == '$text' &&\n\t\t\t\tprevDiff.position.isEqual( thisDiff.position );\n\n\t\t\t// Glue insert changes if they happen on text on consecutive fragments.\n\t\t\tconst isConsecutiveTextAdd =\n\t\t\t\tprevDiff.type == 'insert' && thisDiff.type == 'insert' &&\n\t\t\t\tprevDiff.name == '$text' && thisDiff.name == '$text' &&\n\t\t\t\tprevDiff.position.parent == thisDiff.position.parent &&\n\t\t\t\tprevDiff.position.offset + prevDiff.length == thisDiff.position.offset;\n\n\t\t\t// Glue attribute changes if they happen on consecutive fragments and have same key, old value and new value.\n\t\t\tconst isConsecutiveAttributeChange =\n\t\t\t\tprevDiff.type == 'attribute' && thisDiff.type == 'attribute' &&\n\t\t\t\tprevDiff.position.parent == thisDiff.position.parent &&\n\t\t\t\tprevDiff.range.isFlat && thisDiff.range.isFlat &&\n\t\t\t\tprevDiff.position.offset + prevDiff.length == thisDiff.position.offset &&\n\t\t\t\tprevDiff.attributeKey == thisDiff.attributeKey &&\n\t\t\t\tprevDiff.attributeOldValue == thisDiff.attributeOldValue &&\n\t\t\t\tprevDiff.attributeNewValue == thisDiff.attributeNewValue;\n\n\t\t\tif ( isConsecutiveTextRemove || isConsecutiveTextAdd || isConsecutiveAttributeChange ) {\n\t\t\t\tprevDiff.length++;\n\n\t\t\t\tif ( isConsecutiveAttributeChange ) {\n\t\t\t\t\tprevDiff.range.end = prevDiff.range.end.getShiftedBy( 1 );\n\t\t\t\t}\n\n\t\t\t\tdiffSet[ i ] = null;\n\t\t\t} else {\n\t\t\t\tprevIndex = i;\n\t\t\t}\n\t\t}\n\n\t\tdiffSet = diffSet.filter( v => v );\n\n\t\t// Remove `changeCount` property from diff items. It is used only for sorting and is internal thing.\n\t\tfor ( const item of diffSet ) {\n\t\t\tdelete item.changeCount;\n\n\t\t\tif ( item.type == 'attribute' ) {\n\t\t\t\tdelete item.position;\n\t\t\t\tdelete item.length;\n\t\t\t}\n\t\t}\n\n\t\tthis._changeCount = 0;\n\n\t\t// Cache changes.\n\t\tthis._cachedChangesWithGraveyard = diffSet.slice();\n\t\tthis._cachedChanges = diffSet.filter( _changesInGraveyardFilter );\n\n\t\tif ( options.includeChangesInGraveyard ) {\n\t\t\treturn this._cachedChangesWithGraveyard;\n\t\t} else {\n\t\t\treturn this._cachedChanges;\n\t\t}\n\t}\n\n\t/**\n\t * Resets `Differ`. Removes all buffered changes.\n\t */\n\treset() {\n\t\tthis._changesInElement.clear();\n\t\tthis._elementSnapshots.clear();\n\t\tthis._changedMarkers.clear();\n\t\tthis._cachedChanges = null;\n\t}\n\n\t/**\n\t * Saves and handles an insert change.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent\n\t * @param {Number} offset\n\t * @param {Number} howMany\n\t */\n\t_markInsert( parent, offset, howMany ) {\n\t\tconst changeItem = { type: 'insert', offset, howMany, count: this._changeCount++ };\n\n\t\tthis._markChange( parent, changeItem );\n\t}\n\n\t/**\n\t * Saves and handles a remove change.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent\n\t * @param {Number} offset\n\t * @param {Number} howMany\n\t */\n\t_markRemove( parent, offset, howMany ) {\n\t\tconst changeItem = { type: 'remove', offset, howMany, count: this._changeCount++ };\n\n\t\tthis._markChange( parent, changeItem );\n\n\t\tthis._removeAllNestedChanges( parent, offset, howMany );\n\t}\n\n\t/**\n\t * Saves and handles an attribute change.\n\t *\n\t * @private\n\t * @param {module:engine/model/item~Item} item\n\t */\n\t_markAttribute( item ) {\n\t\tconst changeItem = { type: 'attribute', offset: item.startOffset, howMany: item.offsetSize, count: this._changeCount++ };\n\n\t\tthis._markChange( item.parent, changeItem );\n\t}\n\n\t/**\n\t * Saves and handles a model change.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent\n\t * @param {Object} changeItem\n\t */\n\t_markChange( parent, changeItem ) {\n\t\t// First, make a snapshot of this parent's children (it will be made only if it was not made before).\n\t\tthis._makeSnapshot( parent );\n\n\t\t// Then, get all changes that already were done on the element (empty array if this is the first change).\n\t\tconst changes = this._getChangesForElement( parent );\n\n\t\t// Then, look through all the changes, and transform them or the new change.\n\t\tthis._handleChange( changeItem, changes );\n\n\t\t// Add the new change.\n\t\tchanges.push( changeItem );\n\n\t\t// Remove incorrect changes. During transformation some change might be, for example, included in another.\n\t\t// In that case, the change will have `howMany` property set to `0` or less. We need to remove those changes.\n\t\tfor ( let i = 0; i < changes.length; i++ ) {\n\t\t\tif ( changes[ i ].howMany < 1 ) {\n\t\t\t\tchanges.splice( i, 1 );\n\n\t\t\t\ti--;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Gets an array of changes that have already been saved for a given element.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} element\n\t * @returns {Array.<Object>}\n\t */\n\t_getChangesForElement( element ) {\n\t\tlet changes;\n\n\t\tif ( this._changesInElement.has( element ) ) {\n\t\t\tchanges = this._changesInElement.get( element );\n\t\t} else {\n\t\t\tchanges = [];\n\n\t\t\tthis._changesInElement.set( element, changes );\n\t\t}\n\n\t\treturn changes;\n\t}\n\n\t/**\n\t * Saves a children snapshot for a given element.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} element\n\t */\n\t_makeSnapshot( element ) {\n\t\tif ( !this._elementSnapshots.has( element ) ) {\n\t\t\tthis._elementSnapshots.set( element, _getChildrenSnapshot( element.getChildren() ) );\n\t\t}\n\t}\n\n\t/**\n\t * For a given newly saved change, compares it with a change already done on the element and modifies the incoming\n\t * change and/or the old change.\n\t *\n\t * @private\n\t * @param {Object} inc Incoming (new) change.\n\t * @param {Array.<Object>} changes An array containing all the changes done on that element.\n\t */\n\t_handleChange( inc, changes ) {\n\t\t// We need a helper variable that will store how many nodes are to be still handled for this change item.\n\t\t// `nodesToHandle` (how many nodes still need to be handled) and `howMany` (how many nodes were affected)\n\t\t// needs to be differentiated.\n\t\t//\n\t\t// This comes up when there are multiple changes that are affected by `inc` change item.\n\t\t//\n\t\t// For example: assume two insert changes: `{ offset: 2, howMany: 1 }` and `{ offset: 5, howMany: 1 }`.\n\t\t// Assume that `inc` change is remove `{ offset: 2, howMany: 2, nodesToHandle: 2 }`.\n\t\t//\n\t\t// Then, we:\n\t\t// - \"forget\" about first insert change (it is \"eaten\" by remove),\n\t\t// - because of that, at the end we will want to remove only one node (`nodesToHandle = 1`),\n\t\t// - but still we have to change offset of the second insert change from `5` to `3`!\n\t\t//\n\t\t// So, `howMany` does not change throughout items transformation and keeps information about how many nodes were affected,\n\t\t// while `nodesToHandle` means how many nodes need to be handled after the change item is transformed by other changes.\n\t\tinc.nodesToHandle = inc.howMany;\n\n\t\tfor ( const old of changes ) {\n\t\t\tconst incEnd = inc.offset + inc.howMany;\n\t\t\tconst oldEnd = old.offset + old.howMany;\n\n\t\t\tif ( inc.type == 'insert' ) {\n\t\t\t\tif ( old.type == 'insert' ) {\n\t\t\t\t\tif ( inc.offset <= old.offset ) {\n\t\t\t\t\t\told.offset += inc.howMany;\n\t\t\t\t\t} else if ( inc.offset < oldEnd ) {\n\t\t\t\t\t\told.howMany += inc.nodesToHandle;\n\t\t\t\t\t\tinc.nodesToHandle = 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'remove' ) {\n\t\t\t\t\tif ( inc.offset < old.offset ) {\n\t\t\t\t\t\told.offset += inc.howMany;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'attribute' ) {\n\t\t\t\t\tif ( inc.offset <= old.offset ) {\n\t\t\t\t\t\told.offset += inc.howMany;\n\t\t\t\t\t} else if ( inc.offset < oldEnd ) {\n\t\t\t\t\t\t// This case is more complicated, because attribute change has to be split into two.\n\t\t\t\t\t\t// Example (assume that uppercase and lowercase letters mean different attributes):\n\t\t\t\t\t\t//\n\t\t\t\t\t\t// initial state:\t\tabcxyz\n\t\t\t\t\t\t// attribute change:\taBCXYz\n\t\t\t\t\t\t// incoming insert:\t\taBCfooXYz\n\t\t\t\t\t\t//\n\t\t\t\t\t\t// Change ranges cannot intersect because each item has to be described exactly (it was either\n\t\t\t\t\t\t// not changed, inserted, removed, or its attribute was changed). That's why old attribute\n\t\t\t\t\t\t// change has to be split and both parts has to be handled separately from now on.\n\t\t\t\t\t\tconst howMany = old.howMany;\n\n\t\t\t\t\t\told.howMany = inc.offset - old.offset;\n\n\t\t\t\t\t\t// Add the second part of attribute change to the beginning of processed array so it won't\n\t\t\t\t\t\t// be processed again in this loop.\n\t\t\t\t\t\tchanges.unshift( {\n\t\t\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\t\t\toffset: incEnd,\n\t\t\t\t\t\t\thowMany: howMany - old.howMany,\n\t\t\t\t\t\t\tcount: this._changeCount++\n\t\t\t\t\t\t} );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( inc.type == 'remove' ) {\n\t\t\t\tif ( old.type == 'insert' ) {\n\t\t\t\t\tif ( incEnd <= old.offset ) {\n\t\t\t\t\t\told.offset -= inc.howMany;\n\t\t\t\t\t} else if ( incEnd <= oldEnd ) {\n\t\t\t\t\t\tif ( inc.offset < old.offset ) {\n\t\t\t\t\t\t\tconst intersectionLength = incEnd - old.offset;\n\n\t\t\t\t\t\t\told.offset = inc.offset;\n\n\t\t\t\t\t\t\told.howMany -= intersectionLength;\n\t\t\t\t\t\t\tinc.nodesToHandle -= intersectionLength;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\told.howMany -= inc.nodesToHandle;\n\t\t\t\t\t\t\tinc.nodesToHandle = 0;\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tif ( inc.offset <= old.offset ) {\n\t\t\t\t\t\t\tinc.nodesToHandle -= old.howMany;\n\t\t\t\t\t\t\told.howMany = 0;\n\t\t\t\t\t\t} else if ( inc.offset < oldEnd ) {\n\t\t\t\t\t\t\tconst intersectionLength = oldEnd - inc.offset;\n\n\t\t\t\t\t\t\told.howMany -= intersectionLength;\n\t\t\t\t\t\t\tinc.nodesToHandle -= intersectionLength;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'remove' ) {\n\t\t\t\t\tif ( incEnd <= old.offset ) {\n\t\t\t\t\t\told.offset -= inc.howMany;\n\t\t\t\t\t} else if ( inc.offset < old.offset ) {\n\t\t\t\t\t\tinc.nodesToHandle += old.howMany;\n\t\t\t\t\t\told.howMany = 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'attribute' ) {\n\t\t\t\t\tif ( incEnd <= old.offset ) {\n\t\t\t\t\t\told.offset -= inc.howMany;\n\t\t\t\t\t} else if ( inc.offset < old.offset ) {\n\t\t\t\t\t\tconst intersectionLength = incEnd - old.offset;\n\n\t\t\t\t\t\told.offset = inc.offset;\n\t\t\t\t\t\told.howMany -= intersectionLength;\n\t\t\t\t\t} else if ( inc.offset < oldEnd ) {\n\t\t\t\t\t\tif ( incEnd <= oldEnd ) {\n\t\t\t\t\t\t\t// On first sight in this case we don't need to split attribute operation into two.\n\t\t\t\t\t\t\t// However the changes set is later converted to actions (see `_generateActionsFromChanges`).\n\t\t\t\t\t\t\t// For that reason, no two changes may intersect.\n\t\t\t\t\t\t\t// So we cannot have an attribute change that \"contains\" remove change.\n\t\t\t\t\t\t\t// Attribute change needs to be split.\n\t\t\t\t\t\t\tconst howMany = old.howMany;\n\n\t\t\t\t\t\t\told.howMany = inc.offset - old.offset;\n\n\t\t\t\t\t\t\tconst howManyAfter = howMany - old.howMany - inc.nodesToHandle;\n\n\t\t\t\t\t\t\t// Add the second part of attribute change to the beginning of processed array so it won't\n\t\t\t\t\t\t\t// be processed again in this loop.\n\t\t\t\t\t\t\tchanges.unshift( {\n\t\t\t\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\t\t\t\toffset: inc.offset,\n\t\t\t\t\t\t\t\thowMany: howManyAfter,\n\t\t\t\t\t\t\t\tcount: this._changeCount++\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\told.howMany -= oldEnd - inc.offset;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( inc.type == 'attribute' ) {\n\t\t\t\t// In case of attribute change, `howMany` should be kept same as `nodesToHandle`. It's not an error.\n\t\t\t\tif ( old.type == 'insert' ) {\n\t\t\t\t\tif ( inc.offset < old.offset && incEnd > old.offset ) {\n\t\t\t\t\t\tif ( incEnd > oldEnd ) {\n\t\t\t\t\t\t\t// This case is similar to a case described when incoming change was insert and old change was attribute.\n\t\t\t\t\t\t\t// See comment above.\n\t\t\t\t\t\t\t//\n\t\t\t\t\t\t\t// This time incoming change is attribute. We need to split incoming change in this case too.\n\t\t\t\t\t\t\t// However this time, the second part of the attribute change needs to be processed further\n\t\t\t\t\t\t\t// because there might be other changes that it collides with.\n\t\t\t\t\t\t\tconst attributePart = {\n\t\t\t\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\t\t\t\toffset: oldEnd,\n\t\t\t\t\t\t\t\thowMany: incEnd - oldEnd,\n\t\t\t\t\t\t\t\tcount: this._changeCount++\n\t\t\t\t\t\t\t};\n\n\t\t\t\t\t\t\tthis._handleChange( attributePart, changes );\n\n\t\t\t\t\t\t\tchanges.push( attributePart );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tinc.nodesToHandle = old.offset - inc.offset;\n\t\t\t\t\t\tinc.howMany = inc.nodesToHandle;\n\t\t\t\t\t} else if ( inc.offset >= old.offset && inc.offset < oldEnd ) {\n\t\t\t\t\t\tif ( incEnd > oldEnd ) {\n\t\t\t\t\t\t\tinc.nodesToHandle = incEnd - oldEnd;\n\t\t\t\t\t\t\tinc.offset = oldEnd;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tinc.nodesToHandle = 0;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'remove' ) {\n\t\t\t\t\t// This is a case when attribute change \"contains\" remove change.\n\t\t\t\t\t// The attribute change needs to be split into two because changes cannot intersect.\n\t\t\t\t\tif ( inc.offset < old.offset && incEnd > old.offset ) {\n\t\t\t\t\t\tconst attributePart = {\n\t\t\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\t\t\toffset: old.offset,\n\t\t\t\t\t\t\thowMany: incEnd - old.offset,\n\t\t\t\t\t\t\tcount: this._changeCount++\n\t\t\t\t\t\t};\n\n\t\t\t\t\t\tthis._handleChange( attributePart, changes );\n\n\t\t\t\t\t\tchanges.push( attributePart );\n\n\t\t\t\t\t\tinc.nodesToHandle = old.offset - inc.offset;\n\t\t\t\t\t\tinc.howMany = inc.nodesToHandle;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( old.type == 'attribute' ) {\n\t\t\t\t\t// There are only two conflicting scenarios possible here:\n\t\t\t\t\tif ( inc.offset >= old.offset && incEnd <= oldEnd ) {\n\t\t\t\t\t\t// `old` change includes `inc` change, or they are the same.\n\t\t\t\t\t\tinc.nodesToHandle = 0;\n\t\t\t\t\t\tinc.howMany = 0;\n\t\t\t\t\t\tinc.offset = 0;\n\t\t\t\t\t} else if ( inc.offset <= old.offset && incEnd >= oldEnd ) {\n\t\t\t\t\t\t// `inc` change includes `old` change.\n\t\t\t\t\t\told.howMany = 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tinc.howMany = inc.nodesToHandle;\n\t\tdelete inc.nodesToHandle;\n\t}\n\n\t/**\n\t * Returns an object with a single insert change description.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent The element in which the change happened.\n\t * @param {Number} offset The offset at which change happened.\n\t * @param {String} name The name of the removed element or `'$text'` for a character.\n\t * @returns {Object} The diff item.\n\t */\n\t_getInsertDiff( parent, offset, name ) {\n\t\treturn {\n\t\t\ttype: 'insert',\n\t\t\tposition: Position._createAt( parent, offset ),\n\t\t\tname,\n\t\t\tlength: 1,\n\t\t\tchangeCount: this._changeCount++\n\t\t};\n\t}\n\n\t/**\n\t * Returns an object with a single remove change description.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent The element in which change happened.\n\t * @param {Number} offset The offset at which change happened.\n\t * @param {String} name The name of the removed element or `'$text'` for a character.\n\t * @returns {Object} The diff item.\n\t */\n\t_getRemoveDiff( parent, offset, name ) {\n\t\treturn {\n\t\t\ttype: 'remove',\n\t\t\tposition: Position._createAt( parent, offset ),\n\t\t\tname,\n\t\t\tlength: 1,\n\t\t\tchangeCount: this._changeCount++\n\t\t};\n\t}\n\n\t/**\n\t * Returns an array of objects where each one is a single attribute change description.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range The range where the change happened.\n\t * @param {Map} oldAttributes A map, map iterator or compatible object that contains attributes before the change.\n\t * @param {Map} newAttributes A map, map iterator or compatible object that contains attributes after the change.\n\t * @returns {Array.<Object>} An array containing one or more diff items.\n\t */\n\t_getAttributesDiff( range, oldAttributes, newAttributes ) {\n\t\t// Results holder.\n\t\tconst diffs = [];\n\n\t\t// Clone new attributes as we will be performing changes on this object.\n\t\tnewAttributes = new Map( newAttributes );\n\n\t\t// Look through old attributes.\n\t\tfor ( const [ key, oldValue ] of oldAttributes ) {\n\t\t\t// Check what is the new value of the attribute (or if it was removed).\n\t\t\tconst newValue = newAttributes.has( key ) ? newAttributes.get( key ) : null;\n\n\t\t\t// If values are different (or attribute was removed)...\n\t\t\tif ( newValue !== oldValue ) {\n\t\t\t\t// Add diff item.\n\t\t\t\tdiffs.push( {\n\t\t\t\t\ttype: 'attribute',\n\t\t\t\t\tposition: range.start,\n\t\t\t\t\trange: range.clone(),\n\t\t\t\t\tlength: 1,\n\t\t\t\t\tattributeKey: key,\n\t\t\t\t\tattributeOldValue: oldValue,\n\t\t\t\t\tattributeNewValue: newValue,\n\t\t\t\t\tchangeCount: this._changeCount++\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\t// Prevent returning two diff items for the same change.\n\t\t\tnewAttributes.delete( key );\n\t\t}\n\n\t\t// Look through new attributes that weren't handled above.\n\t\tfor ( const [ key, newValue ] of newAttributes ) {\n\t\t\t// Each of them is a new attribute. Add diff item.\n\t\t\tdiffs.push( {\n\t\t\t\ttype: 'attribute',\n\t\t\t\tposition: range.start,\n\t\t\t\trange: range.clone(),\n\t\t\t\tlength: 1,\n\t\t\t\tattributeKey: key,\n\t\t\t\tattributeOldValue: null,\n\t\t\t\tattributeNewValue: newValue,\n\t\t\t\tchangeCount: this._changeCount++\n\t\t\t} );\n\t\t}\n\n\t\treturn diffs;\n\t}\n\n\t/**\n\t * Checks whether given element or any of its parents is an element that is buffered as an inserted element.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} element Element to check.\n\t * @returns {Boolean}\n\t */\n\t_isInInsertedElement( element ) {\n\t\tconst parent = element.parent;\n\n\t\tif ( !parent ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst changes = this._changesInElement.get( parent );\n\t\tconst offset = element.startOffset;\n\n\t\tif ( changes ) {\n\t\t\tfor ( const change of changes ) {\n\t\t\t\tif ( change.type == 'insert' && offset >= change.offset && offset < change.offset + change.howMany ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn this._isInInsertedElement( parent );\n\t}\n\n\t/**\n\t * Removes deeply all buffered changes that are registered in elements from range specified by `parent`, `offset`\n\t * and `howMany`.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} parent\n\t * @param {Number} offset\n\t * @param {Number} howMany\n\t */\n\t_removeAllNestedChanges( parent, offset, howMany ) {\n\t\tconst range = new Range( Position._createAt( parent, offset ), Position._createAt( parent, offset + howMany ) );\n\n\t\tfor ( const item of range.getItems( { shallow: true } ) ) {\n\t\t\tif ( item.is( 'element' ) ) {\n\t\t\t\tthis._elementSnapshots.delete( item );\n\t\t\t\tthis._changesInElement.delete( item );\n\n\t\t\t\tthis._removeAllNestedChanges( item, 0, item.maxOffset );\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Returns an array that is a copy of passed child list with the exception that text nodes are split to one or more\n// objects, each representing one character and attributes set on that character.\nfunction _getChildrenSnapshot( children ) {\n\tconst snapshot = [];\n\n\tfor ( const child of children ) {\n\t\tif ( child.is( '$text' ) ) {\n\t\t\tfor ( let i = 0; i < child.data.length; i++ ) {\n\t\t\t\tsnapshot.push( {\n\t\t\t\t\tname: '$text',\n\t\t\t\t\tattributes: new Map( child.getAttributes() )\n\t\t\t\t} );\n\t\t\t}\n\t\t} else {\n\t\t\tsnapshot.push( {\n\t\t\t\tname: child.name,\n\t\t\t\tattributes: new Map( child.getAttributes() )\n\t\t\t} );\n\t\t}\n\t}\n\n\treturn snapshot;\n}\n\n// Generates array of actions for given changes set.\n// It simulates what `diff` function does.\n// Generated actions are:\n// - 'e' for 'equal' - when item at that position did not change,\n// - 'i' for 'insert' - when item at that position was inserted,\n// - 'r' for 'remove' - when item at that position was removed,\n// - 'a' for 'attribute' - when item at that position has it attributes changed.\n//\n// Example (assume that uppercase letters have bold attribute, compare with function code):\n//\n// children before:\tfooBAR\n// children after:\tfoxybAR\n//\n// changes: type: remove, offset: 1, howMany: 1\n//\t\t\ttype: insert, offset: 2, howMany: 2\n//\t\t\ttype: attribute, offset: 4, howMany: 1\n//\n// expected actions: equal (f), remove (o), equal (o), insert (x), insert (y), attribute (b), equal (A), equal (R)\n//\n// steps taken by th script:\n//\n// 1. change = \"type: remove, offset: 1, howMany: 1\"; offset = 0; oldChildrenHandled = 0\n//    1.1 between this change and the beginning is one not-changed node, fill with one equal action, one old child has been handled\n//    1.2 this change removes one node, add one remove action\n//    1.3 change last visited `offset` to 1\n//    1.4 since an old child has been removed, one more old child has been handled\n//    1.5 actions at this point are: equal, remove\n//\n// 2. change = \"type: insert, offset: 2, howMany: 2\"; offset = 1; oldChildrenHandled = 2\n//    2.1 between this change and previous change is one not-changed node, add equal action, another one old children has been handled\n//    2.2 this change inserts two nodes, add two insert actions\n//    2.3 change last visited offset to the end of the inserted range, that is 4\n//    2.4 actions at this point are: equal, remove, equal, insert, insert\n//\n// 3. change = \"type: attribute, offset: 4, howMany: 1\"; offset = 4, oldChildrenHandled = 3\n//    3.1 between this change and previous change are no not-changed nodes\n//    3.2 this change changes one node, add one attribute action\n//    3.3 change last visited `offset` to the end of change range, that is 5\n//    3.4 since an old child has been changed, one more old child has been handled\n//    3.5 actions at this point are: equal, remove, equal, insert, insert, attribute\n//\n// 4. after loop oldChildrenHandled = 4, oldChildrenLength = 6 (fooBAR is 6 characters)\n//    4.1 fill up with two equal actions\n//\n// The result actions are: equal, remove, equal, insert, insert, attribute, equal, equal.\nfunction _generateActionsFromChanges( oldChildrenLength, changes ) {\n\tconst actions = [];\n\n\tlet offset = 0;\n\tlet oldChildrenHandled = 0;\n\n\t// Go through all buffered changes.\n\tfor ( const change of changes ) {\n\t\t// First, fill \"holes\" between changes with \"equal\" actions.\n\t\tif ( change.offset > offset ) {\n\t\t\tfor ( let i = 0; i < change.offset - offset; i++ ) {\n\t\t\t\tactions.push( 'e' );\n\t\t\t}\n\n\t\t\toldChildrenHandled += change.offset - offset;\n\t\t}\n\n\t\t// Then, fill up actions accordingly to change type.\n\t\tif ( change.type == 'insert' ) {\n\t\t\tfor ( let i = 0; i < change.howMany; i++ ) {\n\t\t\t\tactions.push( 'i' );\n\t\t\t}\n\n\t\t\t// The last handled offset is after inserted range.\n\t\t\toffset = change.offset + change.howMany;\n\t\t} else if ( change.type == 'remove' ) {\n\t\t\tfor ( let i = 0; i < change.howMany; i++ ) {\n\t\t\t\tactions.push( 'r' );\n\t\t\t}\n\n\t\t\t// The last handled offset is at the position where the nodes were removed.\n\t\t\toffset = change.offset;\n\t\t\t// We removed `howMany` old nodes, update `oldChildrenHandled`.\n\t\t\toldChildrenHandled += change.howMany;\n\t\t} else {\n\t\t\tactions.push( ...'a'.repeat( change.howMany ).split( '' ) );\n\n\t\t\t// The last handled offset is at the position after the changed range.\n\t\t\toffset = change.offset + change.howMany;\n\t\t\t// We changed `howMany` old nodes, update `oldChildrenHandled`.\n\t\t\toldChildrenHandled += change.howMany;\n\t\t}\n\t}\n\n\t// Fill \"equal\" actions at the end of actions set. Use `oldChildrenHandled` to see how many children\n\t// has not been changed / removed at the end of their parent.\n\tif ( oldChildrenHandled < oldChildrenLength ) {\n\t\tfor ( let i = 0; i < oldChildrenLength - oldChildrenHandled - offset; i++ ) {\n\t\t\tactions.push( 'e' );\n\t\t}\n\t}\n\n\treturn actions;\n}\n\n// Filter callback for Array.filter that filters out change entries that are in graveyard.\nfunction _changesInGraveyardFilter( entry ) {\n\tconst posInGy = entry.position && entry.position.root.rootName == '$graveyard';\n\tconst rangeInGy = entry.range && entry.range.root.rootName == '$graveyard';\n\n\treturn !posInGy && !rangeInGy;\n}\n\n/**\n * The single diff item.\n *\n * Could be one of:\n *\n * * {@link module:engine/model/differ~DiffItemInsert `DiffItemInsert`},\n * * {@link module:engine/model/differ~DiffItemRemove `DiffItemRemove`},\n * * {@link module:engine/model/differ~DiffItemAttribute `DiffItemAttribute`}.\n *\n * @interface DiffItem\n */\n\n/**\n * The single diff item for inserted nodes.\n *\n * @class DiffItemInsert\n * @implements module:engine/model/differ~DiffItem\n */\n\n/**\n * The type of diff item.\n *\n * @member {'insert'} module:engine/model/differ~DiffItemInsert#type\n */\n\n/**\n * The name of the inserted elements or `'$text'` for a text node.\n *\n * @member {String} module:engine/model/differ~DiffItemInsert#name\n */\n\n/**\n * The position where the node was inserted.\n *\n * @member {module:engine/model/position~Position} module:engine/model/differ~DiffItemInsert#position\n */\n\n/**\n * The length of an inserted text node. For elements it is always 1 as each inserted element is counted as a one.\n *\n * @member {Number} module:engine/model/differ~DiffItemInsert#length\n */\n\n/**\n * The single diff item for removed nodes.\n *\n * @class DiffItemRemove\n * @implements module:engine/model/differ~DiffItem\n */\n\n/**\n * The type of diff item.\n *\n * @member {'remove'} module:engine/model/differ~DiffItemRemove#type\n */\n\n/**\n * The name of the removed element or `'$text'` for a text node.\n *\n * @member {String} module:engine/model/differ~DiffItemRemove#name\n */\n\n/**\n * The position where the node was removed.\n *\n * @member {module:engine/model/position~Position} module:engine/model/differ~DiffItemRemove#position\n */\n\n/**\n * The length of a removed text node. For elements it is always 1 as each removed element is counted as a one.\n *\n * @member {Number} module:engine/model/differ~DiffItemRemove#length\n */\n\n/**\n * The single diff item for attribute change.\n *\n * @class DiffItemAttribute\n * @implements module:engine/model/differ~DiffItem\n */\n\n/**\n * The type of diff item.\n *\n * @member {'attribute'} module:engine/model/differ~DiffItemAttribute#type\n */\n\n/**\n * The name of the changed attribute.\n *\n * @member {String} module:engine/model/differ~DiffItemAttribute#attributeKey\n */\n\n/**\n * An attribute previous value (before change).\n *\n * @member {String} module:engine/model/differ~DiffItemAttribute#attributeOldValue\n */\n\n/**\n * An attribute new value (after change).\n *\n * @member {String} module:engine/model/differ~DiffItemAttribute#attributeNewValue\n */\n\n/**\n * The range where the change happened.\n *\n * @member {module:engine/model/range~Range} module:engine/model/differ~DiffItemAttribute#range\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/history\n */\n\n/**\n * `History` keeps the track of all the operations applied to the {@link module:engine/model/document~Document document}.\n */\nexport default class History {\n\t/**\n\t * Creates an empty History instance.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Operations added to the history.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array.<module:engine/model/operation/operation~Operation>} module:engine/model/history~History#_operations\n\t\t */\n\t\tthis._operations = [];\n\n\t\t/**\n\t\t * Holds an information which {@link module:engine/model/operation/operation~Operation operation} undoes which\n\t\t * {@link module:engine/model/operation/operation~Operation operation}.\n\t\t *\n\t\t * Keys of the map are \"undoing operations\", that is operations that undone some other operations. For each key, the\n\t\t * value is an operation that has been undone by the \"undoing operation\".\n\t\t *\n\t\t * @private\n\t\t * @member {Map} module:engine/model/history~History#_undoPairs\n\t\t */\n\t\tthis._undoPairs = new Map();\n\n\t\t/**\n\t\t * Holds all undone operations.\n\t\t *\n\t\t * @private\n\t\t * @member {Set.<module:engine/model/operation/operation~Operation>} module:engine/model/history~History#_undoneOperations\n\t\t */\n\t\tthis._undoneOperations = new Set();\n\t}\n\n\t/**\n\t * Adds an operation to the history.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to add.\n\t */\n\taddOperation( operation ) {\n\t\tif ( this._operations.includes( operation ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._operations.push( operation );\n\t}\n\n\t/**\n\t * Returns operations added to the history.\n\t *\n\t * @param {Number} [from=Number.NEGATIVE_INFINITY] Base version from which operations should be returned (inclusive).\n\t * Defaults to `Number.NEGATIVE_INFINITY`, which means that operations from the first one will be returned.\n\t * @param {Number} [to=Number.POSITIVE_INFINITY] Base version up to which operations should be returned (exclusive).\n\t * Defaults to `Number.POSITIVE_INFINITY` which means that operations up to the last one will be returned.\n\t * @returns {Array.<module:engine/model/operation/operation~Operation>} Operations added to the history.\n\t */\n\tgetOperations( from = Number.NEGATIVE_INFINITY, to = Number.POSITIVE_INFINITY ) {\n\t\tconst operations = [];\n\n\t\tfor ( const operation of this._operations ) {\n\t\t\tif ( operation.baseVersion >= from && operation.baseVersion < to ) {\n\t\t\t\toperations.push( operation );\n\t\t\t}\n\t\t}\n\n\t\treturn operations;\n\t}\n\n\t/**\n\t * Returns operation from the history that bases on given `baseVersion`.\n\t *\n\t * @param {Number} baseVersion Base version of the operation to get.\n\t * @returns {module:engine/model/operation/operation~Operation|undefined} Operation with given base version or `undefined` if\n\t * there is no such operation in history.\n\t */\n\tgetOperation( baseVersion ) {\n\t\tfor ( const operation of this._operations ) {\n\t\t\tif ( operation.baseVersion == baseVersion ) {\n\t\t\t\treturn operation;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Marks in history that one operation is an operation that is undoing the other operation. By marking operation this way,\n\t * history is keeping more context information about operations, which helps in operational transformation.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} undoneOperation Operation which is undone by `undoingOperation`.\n\t * @param {module:engine/model/operation/operation~Operation} undoingOperation Operation which undoes `undoneOperation`.\n\t */\n\tsetOperationAsUndone( undoneOperation, undoingOperation ) {\n\t\tthis._undoPairs.set( undoingOperation, undoneOperation );\n\t\tthis._undoneOperations.add( undoneOperation );\n\t}\n\n\t/**\n\t * Checks whether given `operation` is undoing any other operation.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to check.\n\t * @returns {Boolean} `true` if given `operation` is undoing any other operation, `false` otherwise.\n\t */\n\tisUndoingOperation( operation ) {\n\t\treturn this._undoPairs.has( operation );\n\t}\n\n\t/**\n\t * Checks whether given `operation` has been undone by any other operation.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation Operation to check.\n\t * @returns {Boolean} `true` if given `operation` has been undone any other operation, `false` otherwise.\n\t */\n\tisUndoneOperation( operation ) {\n\t\treturn this._undoneOperations.has( operation );\n\t}\n\n\t/**\n\t * For given `undoingOperation`, returns the operation which has been undone by it.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} undoingOperation\n\t * @returns {module:engine/model/operation/operation~Operation|undefined} Operation that has been undone by given\n\t * `undoingOperation` or `undefined` if given `undoingOperation` is not undoing any other operation.\n\t */\n\tgetUndoneOperation( undoingOperation ) {\n\t\treturn this._undoPairs.get( undoingOperation );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Set of utils to handle unicode characters.\n *\n * @module utils/unicode\n */\n\n/**\n * Checks whether given `character` is a combining mark.\n *\n * @param {String} character Character to check.\n * @returns {Boolean}\n */\nexport function isCombiningMark( character ) {\n\t// eslint-disable-next-line no-misleading-character-class\n\treturn !!character && character.length == 1 && /[\\u0300-\\u036f\\u1ab0-\\u1aff\\u1dc0-\\u1dff\\u20d0-\\u20ff\\ufe20-\\ufe2f]/.test( character );\n}\n\n/**\n * Checks whether given `character` is a high half of surrogate pair.\n *\n * Using UTF-16 terminology, a surrogate pair denotes UTF-16 character using two UTF-8 characters. The surrogate pair\n * consist of high surrogate pair character followed by low surrogate pair character.\n *\n * @param {String} character Character to check.\n * @returns {Boolean}\n */\nexport function isHighSurrogateHalf( character ) {\n\treturn !!character && character.length == 1 && /[\\ud800-\\udbff]/.test( character );\n}\n\n/**\n * Checks whether given `character` is a low half of surrogate pair.\n *\n * Using UTF-16 terminology, a surrogate pair denotes UTF-16 character using two UTF-8 characters. The surrogate pair\n * consist of high surrogate pair character followed by low surrogate pair character.\n *\n * @param {String} character Character to check.\n * @returns {Boolean}\n */\nexport function isLowSurrogateHalf( character ) {\n\treturn !!character && character.length == 1 && /[\\udc00-\\udfff]/.test( character );\n}\n\n/**\n * Checks whether given offset in a string is inside a surrogate pair (between two surrogate halves).\n *\n * @param {String} string String to check.\n * @param {Number} offset Offset to check.\n * @returns {Boolean}\n */\nexport function isInsideSurrogatePair( string, offset ) {\n\treturn isHighSurrogateHalf( string.charAt( offset - 1 ) ) && isLowSurrogateHalf( string.charAt( offset ) );\n}\n\n/**\n * Checks whether given offset in a string is between base character and combining mark or between two combining marks.\n *\n * @param {String} string String to check.\n * @param {Number} offset Offset to check.\n * @returns {Boolean}\n */\nexport function isInsideCombinedSymbol( string, offset ) {\n\treturn isCombiningMark( string.charAt( offset ) );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/document\n */\n\nimport Differ from './differ';\nimport RootElement from './rootelement';\nimport History from './history';\nimport DocumentSelection from './documentselection';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { isInsideSurrogatePair, isInsideCombinedSymbol } from '@ckeditor/ckeditor5-utils/src/unicode';\nimport { clone } from 'lodash-es';\n\n// @if CK_DEBUG_ENGINE // const { logDocument } = require( '../dev-utils/utils' );\n\nconst graveyardName = '$graveyard';\n\n/**\n * Data model's document. It contains the model's structure, its selection and the history of changes.\n *\n * Read more about working with the model in\n * {@glink framework/guides/architecture/editing-engine#model introduction to the the editing engine's architecture}.\n *\n * Usually, the document contains just one {@link module:engine/model/document~Document#roots root element}, so\n * you can retrieve it by just calling {@link module:engine/model/document~Document#getRoot} without specifying its name:\n *\n *\t\tmodel.document.getRoot(); // -> returns the main root\n *\n * However, the document may contain multiple roots – e.g. when the editor has multiple editable areas\n * (e.g. a title and a body of a message).\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Document {\n\t/**\n\t * Creates an empty document instance with no {@link #roots} (other than\n\t * the {@link #graveyard graveyard root}).\n\t */\n\tconstructor( model ) {\n\t\t/**\n\t\t * The {@link module:engine/model/model~Model model} that the document is a part of.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * The document version. It starts from `0` and every operation increases the version number. It is used to ensure that\n\t\t * operations are applied on a proper document version.\n\t\t *\n\t\t * If the {@link module:engine/model/operation/operation~Operation#baseVersion base version} does not match the document version,\n\t\t * a {@link module:utils/ckeditorerror~CKEditorError model-document-applyoperation-wrong-version} error is thrown.\n\t\t *\n\t\t * @type {Number}\n\t\t */\n\t\tthis.version = 0;\n\n\t\t/**\n\t\t * The document's history.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/history~History}\n\t\t */\n\t\tthis.history = new History( this );\n\n\t\t/**\n\t\t * The selection in this document.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/documentselection~DocumentSelection}\n\t\t */\n\t\tthis.selection = new DocumentSelection( this );\n\n\t\t/**\n\t\t * A list of roots that are owned and managed by this document. Use {@link #createRoot} and\n\t\t * {@link #getRoot} to manipulate it.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/collection~Collection}\n\t\t */\n\t\tthis.roots = new Collection( { idProperty: 'rootName' } );\n\n\t\t/**\n\t\t * The model differ object. Its role is to buffer changes done on the model document and then calculate a diff of those changes.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/model/differ~Differ}\n\t\t */\n\t\tthis.differ = new Differ( model.markers );\n\n\t\t/**\n\t\t * Post-fixer callbacks registered to the model document.\n\t\t *\n\t\t * @private\n\t\t * @type {Set.<Function>}\n\t\t */\n\t\tthis._postFixers = new Set();\n\n\t\t/**\n\t\t * A boolean indicates whether the selection has changed until\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._hasSelectionChangedFromTheLastChangeBlock = false;\n\n\t\t// Graveyard tree root. Document always have a graveyard root, which stores removed nodes.\n\t\tthis.createRoot( '$root', graveyardName );\n\n\t\t// First, if the operation is a document operation check if it's base version is correct.\n\t\tthis.listenTo( model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( operation.isDocumentOperation && operation.baseVersion !== this.version ) {\n\t\t\t\t/**\n\t\t\t\t * Only operations with matching versions can be applied.\n\t\t\t\t *\n\t\t\t\t * @error model-document-applyoperation-wrong-version\n\t\t\t\t * @param {module:engine/model/operation/operation~Operation} operation\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'model-document-applyoperation-wrong-version', this, { operation } );\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\n\t\t// Then, still before an operation is applied on model, buffer the change in differ.\n\t\tthis.listenTo( model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( operation.isDocumentOperation ) {\n\t\t\t\tthis.differ.bufferOperation( operation );\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\t// After the operation is applied, bump document's version and add the operation to the history.\n\t\tthis.listenTo( model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( operation.isDocumentOperation ) {\n\t\t\t\tthis.version++;\n\t\t\t\tthis.history.addOperation( operation );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\n\t\t// Listen to selection changes. If selection changed, mark it.\n\t\tthis.listenTo( this.selection, 'change', () => {\n\t\t\tthis._hasSelectionChangedFromTheLastChangeBlock = true;\n\t\t} );\n\n\t\t// Buffer marker changes.\n\t\t// This is not covered in buffering operations because markers may change outside of them (when they\n\t\t// are modified using `model.markers` collection, not through `MarkerOperation`).\n\t\tthis.listenTo( model.markers, 'update', ( evt, marker, oldRange, newRange ) => {\n\t\t\t// Whenever marker is updated, buffer that change.\n\t\t\tthis.differ.bufferMarkerChange( marker.name, oldRange, newRange, marker.affectsData );\n\n\t\t\tif ( oldRange === null ) {\n\t\t\t\t// If this is a new marker, add a listener that will buffer change whenever marker changes.\n\t\t\t\tmarker.on( 'change', ( evt, oldRange ) => {\n\t\t\t\t\tthis.differ.bufferMarkerChange( marker.name, oldRange, marker.getRange(), marker.affectsData );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * The graveyard tree root. A document always has a graveyard root that stores removed nodes.\n\t *\n\t * @readonly\n\t * @member {module:engine/model/rootelement~RootElement}\n\t */\n\tget graveyard() {\n\t\treturn this.getRoot( graveyardName );\n\t}\n\n\t/**\n\t * Creates a new root.\n\t *\n\t * @param {String} [elementName='$root'] The element name. Defaults to `'$root'` which also has some basic schema defined\n\t * (`$block`s are allowed inside the `$root`). Make sure to define a proper schema if you use a different name.\n\t * @param {String} [rootName='main'] A unique root name.\n\t * @returns {module:engine/model/rootelement~RootElement} The created root.\n\t */\n\tcreateRoot( elementName = '$root', rootName = 'main' ) {\n\t\tif ( this.roots.get( rootName ) ) {\n\t\t\t/**\n\t\t\t * A root with the specified name already exists.\n\t\t\t *\n\t\t\t * @error model-document-createroot-name-exists\n\t\t\t * @param {module:engine/model/document~Document} doc\n\t\t\t * @param {String} name\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-document-createroot-name-exists', this, { name: rootName } );\n\t\t}\n\n\t\tconst root = new RootElement( this, elementName, rootName );\n\t\tthis.roots.add( root );\n\n\t\treturn root;\n\t}\n\n\t/**\n\t * Removes all event listeners set by the document instance.\n\t */\n\tdestroy() {\n\t\tthis.selection.destroy();\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Returns a root by its name.\n\t *\n\t * @param {String} [name='main'] A unique root name.\n\t * @returns {module:engine/model/rootelement~RootElement|null} The root registered under a given name or `null` when\n\t * there is no root with the given name.\n\t */\n\tgetRoot( name = 'main' ) {\n\t\treturn this.roots.get( name );\n\t}\n\n\t/**\n\t * Returns an array with names of all roots (without the {@link #graveyard}) added to the document.\n\t *\n\t * @returns {Array.<String>} Roots names.\n\t */\n\tgetRootNames() {\n\t\treturn Array.from( this.roots, root => root.rootName ).filter( name => name != graveyardName );\n\t}\n\n\t/**\n\t * Used to register a post-fixer callback. A post-fixer mechanism guarantees that the features\n\t * will operate on a correct model state.\n\t *\n\t * An execution of a feature may lead to an incorrect document tree state. The callbacks are used to fix the document tree after\n\t * it has changed. Post-fixers are fired just after all changes from the outermost change block were applied but\n\t * before the {@link module:engine/model/document~Document#event:change change event} is fired. If a post-fixer callback made\n\t * a change, it should return `true`. When this happens, all post-fixers are fired again to check if something else should\n\t * not be fixed in the new document tree state.\n\t *\n\t * As a parameter, a post-fixer callback receives a {@link module:engine/model/writer~Writer writer} instance connected with the\n\t * executed changes block. Thanks to that, all changes done by the callback will be added to the same\n\t * {@link module:engine/model/batch~Batch batch} (and undo step) as the original changes. This makes post-fixer changes transparent\n\t * for the user.\n\t *\n\t * An example of a post-fixer is a callback that checks if all the data were removed from the editor. If so, the\n\t * callback should add an empty paragraph so that the editor is never empty:\n\t *\n\t *\t\tdocument.registerPostFixer( writer => {\n\t *\t\t\tconst changes = document.differ.getChanges();\n\t *\n\t *\t\t\t// Check if the changes lead to an empty root in the editor.\n\t *\t\t\tfor ( const entry of changes ) {\n\t *\t\t\t\tif ( entry.type == 'remove' && entry.position.root.isEmpty ) {\n\t *\t\t\t\t\twriter.insertElement( 'paragraph', entry.position.root, 0 );\n\t *\n\t *\t\t\t\t\t// It is fine to return early, even if multiple roots would need to be fixed.\n\t *\t\t\t\t\t// All post-fixers will be fired again, so if there are more empty roots, those will be fixed, too.\n\t *\t\t\t\t\treturn true;\n\t *\t\t\t\t}\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @param {Function} postFixer\n\t */\n\tregisterPostFixer( postFixer ) {\n\t\tthis._postFixers.add( postFixer );\n\t}\n\n\t/**\n\t * A custom `toJSON()` method to solve child-parent circular dependencies.\n\t *\n\t * @returns {Object} A clone of this object with the document property changed to a string.\n\t */\n\ttoJSON() {\n\t\tconst json = clone( this );\n\n\t\t// Due to circular references we need to remove parent reference.\n\t\tjson.selection = '[engine.model.DocumentSelection]';\n\t\tjson.model = '[engine.model.Model]';\n\n\t\treturn json;\n\t}\n\n\t/**\n\t * Check if there were any changes done on document, and if so, call post-fixers,\n\t * fire `change` event for features and conversion and then reset the differ.\n\t * Fire `change:data` event when at least one operation or buffered marker changes the data.\n\t *\n\t * @protected\n\t * @fires change\n\t * @fires change:data\n\t * @param {module:engine/model/writer~Writer} writer The writer on which post-fixers will be called.\n\t */\n\t_handleChangeBlock( writer ) {\n\t\tif ( this._hasDocumentChangedFromTheLastChangeBlock() ) {\n\t\t\tthis._callPostFixers( writer );\n\n\t\t\t// Refresh selection attributes according to the final position in the model after the change.\n\t\t\tthis.selection.refresh();\n\n\t\t\tif ( this.differ.hasDataChanges() ) {\n\t\t\t\tthis.fire( 'change:data', writer.batch );\n\t\t\t} else {\n\t\t\t\tthis.fire( 'change', writer.batch );\n\t\t\t}\n\n\t\t\t// Theoretically, it is not necessary to refresh selection after change event because\n\t\t\t// post-fixers are the last who should change the model, but just in case...\n\t\t\tthis.selection.refresh();\n\n\t\t\tthis.differ.reset();\n\t\t}\n\n\t\tthis._hasSelectionChangedFromTheLastChangeBlock = false;\n\t}\n\n\t/**\n\t * Returns whether there is a buffered change or if the selection has changed from the last\n\t * {@link module:engine/model/model~Model#enqueueChange `enqueueChange()` block}\n\t * or {@link module:engine/model/model~Model#change `change()` block}.\n\t *\n\t * @protected\n\t * @returns {Boolean} Returns `true` if document has changed from the last `change()` or `enqueueChange()` block.\n\t */\n\t_hasDocumentChangedFromTheLastChangeBlock() {\n\t\treturn !this.differ.isEmpty || this._hasSelectionChangedFromTheLastChangeBlock;\n\t}\n\n\t/**\n\t * Returns the default root for this document which is either the first root that was added to the document using\n\t * {@link #createRoot} or the {@link #graveyard graveyard root} if no other roots were created.\n\t *\n\t * @protected\n\t * @returns {module:engine/model/rootelement~RootElement} The default root for this document.\n\t */\n\t_getDefaultRoot() {\n\t\tfor ( const root of this.roots ) {\n\t\t\tif ( root !== this.graveyard ) {\n\t\t\t\treturn root;\n\t\t\t}\n\t\t}\n\n\t\treturn this.graveyard;\n\t}\n\n\t/**\n\t * Returns the default range for this selection. The default range is a collapsed range that starts and ends\n\t * at the beginning of this selection's document {@link #_getDefaultRoot default root}.\n\t *\n\t * @protected\n\t * @returns {module:engine/model/range~Range}\n\t */\n\t_getDefaultRange() {\n\t\tconst defaultRoot = this._getDefaultRoot();\n\t\tconst model = this.model;\n\t\tconst schema = model.schema;\n\n\t\t// Find the first position where the selection can be put.\n\t\tconst position = model.createPositionFromPath( defaultRoot, [ 0 ] );\n\t\tconst nearestRange = schema.getNearestSelectionRange( position );\n\n\t\t// If valid selection range is not found - return range collapsed at the beginning of the root.\n\t\treturn nearestRange || model.createRange( position );\n\t}\n\n\t/**\n\t * Checks whether a given {@link module:engine/model/range~Range range} is a valid range for\n\t * the {@link #selection document's selection}.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} range A range to check.\n\t * @returns {Boolean} `true` if `range` is valid, `false` otherwise.\n\t */\n\t_validateSelectionRange( range ) {\n\t\treturn validateTextNodePosition( range.start ) && validateTextNodePosition( range.end );\n\t}\n\n\t/**\n\t * Performs post-fixer loops. Executes post-fixer callbacks as long as none of them has done any changes to the model.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer The writer on which post-fixer callbacks will be called.\n\t */\n\t_callPostFixers( writer ) {\n\t\tlet wasFixed = false;\n\n\t\tdo {\n\t\t\tfor ( const callback of this._postFixers ) {\n\t\t\t\t// Ensure selection attributes are up to date before each post-fixer.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-engine/issues/1673.\n\t\t\t\t//\n\t\t\t\t// It might be good to refresh the selection after each operation but at the moment it leads\n\t\t\t\t// to losing attributes for composition or and spell checking\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-typing/issues/188\n\t\t\t\tthis.selection.refresh();\n\n\t\t\t\twasFixed = callback( writer );\n\n\t\t\t\tif ( wasFixed ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} while ( wasFixed );\n\t}\n\n\t/**\n\t * Fired after each {@link module:engine/model/model~Model#enqueueChange `enqueueChange()` block} or the outermost\n\t * {@link module:engine/model/model~Model#change `change()` block} was executed and the document was changed\n\t * during that block's execution.\n\t *\n\t * The changes which this event will cover include:\n\t *\n\t * * document structure changes,\n\t * * selection changes,\n\t * * marker changes.\n\t *\n\t * If you want to be notified about all these changes, then simply listen to this event like this:\n\t *\n\t *\t\tmodel.document.on( 'change', () => {\n\t *\t\t\tconsole.log( 'The document has changed!' );\n\t *\t\t} );\n\t *\n\t * If, however, you only want to be notified about the data changes, then use the\n\t * {@link module:engine/model/document~Document#event:change:data change:data} event,\n\t * which is fired for document structure changes and marker changes (which affects the data).\n\t *\n\t *\t\tmodel.document.on( 'change:data', () => {\n\t *\t\t\tconsole.log( 'The data has changed!' );\n\t *\t\t} );\n\t *\n\t * @event change\n\t * @param {module:engine/model/batch~Batch} batch The batch that was used in the executed changes block.\n\t */\n\n\t/**\n\t * It is a narrower version of the {@link #event:change} event. It is fired for changes which\n\t * affect the editor data. This is:\n\t *\n\t * * document structure changes,\n\t * * marker changes (which affects the data).\n\t *\n\t * If you want to be notified about the data changes, then listen to this event:\n\t *\n\t *\t\tmodel.document.on( 'change:data', () => {\n\t *\t\t\tconsole.log( 'The data has changed!' );\n\t *\t\t} );\n\t *\n\t * If you would like to listen to all document changes, then check out the\n\t * {@link module:engine/model/document~Document#event:change change} event.\n\t *\n\t * @event change:data\n\t * @param {module:engine/model/batch~Batch} batch The batch that was used in the executed changes block.\n\t */\n\n\t// @if CK_DEBUG_ENGINE // log( version = null ) {\n\t// @if CK_DEBUG_ENGINE // \tversion = version === null ? this.version : version;\n\t// @if CK_DEBUG_ENGINE // \tlogDocument( this, version );\n\t// @if CK_DEBUG_ENGINE // }\n}\n\nmix( Document, EmitterMixin );\n\n// Checks whether given range boundary position is valid for document selection, meaning that is not between\n// unicode surrogate pairs or base character and combining marks.\nfunction validateTextNodePosition( rangeBoundary ) {\n\tconst textNode = rangeBoundary.textNode;\n\n\tif ( textNode ) {\n\t\tconst data = textNode.data;\n\t\tconst offset = rangeBoundary.offset - textNode.startOffset;\n\n\t\treturn !isInsideSurrogatePair( data, offset ) && !isInsideCombinedSymbol( data, offset );\n\t}\n\n\treturn true;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/markercollection\n */\n\nimport LiveRange from './liverange';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * The collection of all {@link module:engine/model/markercollection~Marker markers} attached to the document.\n * It lets you {@link module:engine/model/markercollection~MarkerCollection#get get} markers or track them using\n * {@link module:engine/model/markercollection~MarkerCollection#event:update} event.\n *\n * To create, change or remove makers use {@link module:engine/model/writer~Writer model writers'} methods:\n * {@link module:engine/model/writer~Writer#addMarker} or {@link module:engine/model/writer~Writer#removeMarker}. Since\n * the writer is the only proper way to change the data model it is not possible to change markers directly using this\n * collection. All markers created by the writer will be automatically added to this collection.\n *\n * By default there is one marker collection available as {@link module:engine/model/model~Model#markers model property}.\n *\n * @see module:engine/model/markercollection~Marker\n */\nexport default class MarkerCollection {\n\t/**\n\t * Creates a markers collection.\n\t */\n\tconstructor() {\n\t\t/**\n\t\t * Stores {@link ~Marker markers} added to the collection.\n\t\t *\n\t\t * @private\n\t\t * @member {Map} #_markers\n\t\t */\n\t\tthis._markers = new Map();\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * Iterates over all {@link ~Marker markers} added to the collection.\n\t *\n\t * @returns {Iterable}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._markers.values();\n\t}\n\n\t/**\n\t * Checks if given {@link ~Marker marker} or marker name is in the collection.\n\t *\n\t * @param {String|module:engine/model/markercollection~Marker} markerOrName Name of marker or marker instance to check.\n\t * @returns {Boolean} `true` if marker is in the collection, `false` otherwise.\n\t */\n\thas( markerOrName ) {\n\t\tconst markerName = markerOrName instanceof Marker ? markerOrName.name : markerOrName;\n\t\treturn this._markers.has( markerName );\n\t}\n\n\t/**\n\t * Returns {@link ~Marker marker} with given `markerName`.\n\t *\n\t * @param {String} markerName Name of marker to get.\n\t * @returns {module:engine/model/markercollection~Marker|null} Marker with given name or `null` if such marker was\n\t * not added to the collection.\n\t */\n\tget( markerName ) {\n\t\treturn this._markers.get( markerName ) || null;\n\t}\n\n\t/**\n\t * Creates and adds a {@link ~Marker marker} to the `MarkerCollection` with given name on given\n\t * {@link module:engine/model/range~Range range}.\n\t *\n\t * If `MarkerCollection` already had a marker with given name (or {@link ~Marker marker} was passed), the marker in\n\t * collection is updated and {@link module:engine/model/markercollection~MarkerCollection#event:update} event is fired\n\t * but only if there was a change (marker range or {@link module:engine/model/markercollection~Marker#managedUsingOperations}\n\t * flag has changed.\n\t *\n\t * @protected\n\t * @fires module:engine/model/markercollection~MarkerCollection#event:update\n\t * @param {String|module:engine/model/markercollection~Marker} markerOrName Name of marker to set or marker instance to update.\n\t * @param {module:engine/model/range~Range} range Marker range.\n\t * @param {Boolean} [managedUsingOperations=false] Specifies whether the marker is managed using operations.\n\t * @param {Boolean} [affectsData=false] Specifies whether the marker affects the data produced by the data pipeline\n\t * (is persisted in the editor's data).\n\t * @returns {module:engine/model/markercollection~Marker} `Marker` instance which was added or updated.\n\t */\n\t_set( markerOrName, range, managedUsingOperations = false, affectsData = false ) {\n\t\tconst markerName = markerOrName instanceof Marker ? markerOrName.name : markerOrName;\n\n\t\tif ( markerName.includes( ',' ) ) {\n\t\t\t/**\n\t\t\t * Marker name cannot contain the \",\" character.\n\t\t\t *\n\t\t\t * @error markercollection-incorrect-marker-name\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'markercollection-incorrect-marker-name', this );\n\t\t}\n\n\t\tconst oldMarker = this._markers.get( markerName );\n\n\t\tif ( oldMarker ) {\n\t\t\tconst oldRange = oldMarker.getRange();\n\t\t\tlet hasChanged = false;\n\n\t\t\tif ( !oldRange.isEqual( range ) ) {\n\t\t\t\toldMarker._attachLiveRange( LiveRange.fromRange( range ) );\n\t\t\t\thasChanged = true;\n\t\t\t}\n\n\t\t\tif ( managedUsingOperations != oldMarker.managedUsingOperations ) {\n\t\t\t\toldMarker._managedUsingOperations = managedUsingOperations;\n\t\t\t\thasChanged = true;\n\t\t\t}\n\n\t\t\tif ( typeof affectsData === 'boolean' && affectsData != oldMarker.affectsData ) {\n\t\t\t\toldMarker._affectsData = affectsData;\n\t\t\t\thasChanged = true;\n\t\t\t}\n\n\t\t\tif ( hasChanged ) {\n\t\t\t\tthis.fire( 'update:' + markerName, oldMarker, oldRange, range );\n\t\t\t}\n\n\t\t\treturn oldMarker;\n\t\t}\n\n\t\tconst liveRange = LiveRange.fromRange( range );\n\t\tconst marker = new Marker( markerName, liveRange, managedUsingOperations, affectsData );\n\n\t\tthis._markers.set( markerName, marker );\n\t\tthis.fire( 'update:' + markerName, marker, null, range );\n\n\t\treturn marker;\n\t}\n\n\t/**\n\t * Removes given {@link ~Marker marker} or a marker with given name from the `MarkerCollection`.\n\t *\n\t * @protected\n\t * @fires module:engine/model/markercollection~MarkerCollection#event:update\n\t * @param {String} markerOrName Marker or name of a marker to remove.\n\t * @returns {Boolean} `true` if marker was found and removed, `false` otherwise.\n\t */\n\t_remove( markerOrName ) {\n\t\tconst markerName = markerOrName instanceof Marker ? markerOrName.name : markerOrName;\n\t\tconst oldMarker = this._markers.get( markerName );\n\n\t\tif ( oldMarker ) {\n\t\t\tthis._markers.delete( markerName );\n\t\t\tthis.fire( 'update:' + markerName, oldMarker, oldMarker.getRange(), null );\n\n\t\t\tthis._destroyMarker( oldMarker );\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Fires an {@link module:engine/model/markercollection~MarkerCollection#event:update} event for the given {@link ~Marker marker}\n\t * but does not change the marker. Useful to force {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher downcast\n\t * conversion} for the marker.\n\t *\n\t * @protected\n\t * @fires module:engine/model/markercollection~MarkerCollection#event:update\n\t * @param {String} markerOrName Marker or name of a marker to refresh.\n\t */\n\t_refresh( markerOrName ) {\n\t\tconst markerName = markerOrName instanceof Marker ? markerOrName.name : markerOrName;\n\t\tconst marker = this._markers.get( markerName );\n\n\t\tif ( !marker ) {\n\t\t\t/**\n\t\t\t * Marker with provided name does not exists.\n\t\t\t *\n\t\t\t * @error markercollection-refresh-marker-not-exists\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'markercollection-refresh-marker-not-exists', this );\n\t\t}\n\n\t\tconst range = marker.getRange();\n\n\t\tthis.fire( 'update:' + markerName, marker, range, range, marker.managedUsingOperations, marker.affectsData );\n\t}\n\n\t/**\n\t * Returns iterator that iterates over all markers, which ranges contain given {@link module:engine/model/position~Position position}.\n\t *\n\t * @param {module:engine/model/position~Position} position\n\t * @returns {Iterable.<module:engine/model/markercollection~Marker>}\n\t */\n\t* getMarkersAtPosition( position ) {\n\t\tfor ( const marker of this ) {\n\t\t\tif ( marker.getRange().containsPosition( position ) ) {\n\t\t\t\tyield marker;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns iterator that iterates over all markers, which intersects with given {@link module:engine/model/range~Range range}.\n\t *\n\t * @param {module:engine/model/range~Range} range\n\t * @returns {Iterable.<module:engine/model/markercollection~Marker>}\n\t */\n\t* getMarkersIntersectingRange( range ) {\n\t\tfor ( const marker of this ) {\n\t\t\tif ( marker.getRange().getIntersection( range ) !== null ) {\n\t\t\t\tyield marker;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Destroys marker collection and all markers inside it.\n\t */\n\tdestroy() {\n\t\tfor ( const marker of this._markers.values() ) {\n\t\t\tthis._destroyMarker( marker );\n\t\t}\n\n\t\tthis._markers = null;\n\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Iterates over all markers that starts with given `prefix`.\n\t *\n\t *\t\tconst markerFooA = markersCollection.set( 'foo:a', rangeFooA );\n\t *\t\tconst markerFooB = markersCollection.set( 'foo:b', rangeFooB );\n\t *\t\tconst markerBarA = markersCollection.set( 'bar:a', rangeBarA );\n\t *\t\tconst markerFooBarA = markersCollection.set( 'foobar:a', rangeFooBarA );\n\t *\t\tArray.from( markersCollection.getMarkersGroup( 'foo' ) ); // [ markerFooA, markerFooB ]\n\t *\t\tArray.from( markersCollection.getMarkersGroup( 'a' ) ); // []\n\t *\n\t * @param prefix\n\t * @returns {Iterable.<module:engine/model/markercollection~Marker>}\n\t */\n\t* getMarkersGroup( prefix ) {\n\t\tfor ( const marker of this._markers.values() ) {\n\t\t\tif ( marker.name.startsWith( prefix + ':' ) ) {\n\t\t\t\tyield marker;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Destroys the marker.\n\t *\n\t * @private\n\t * @param {module:engine/model/markercollection~Marker} marker Marker to destroy.\n\t */\n\t_destroyMarker( marker ) {\n\t\tmarker.stopListening();\n\t\tmarker._detachLiveRange();\n\t}\n\n\t/**\n\t * Fired whenever marker is added, updated or removed from `MarkerCollection`.\n\t *\n\t * @event update\n\t * @param {module:engine/model/markercollection~Marker} marker Updated Marker.\n\t * @param {module:engine/model/range~Range|null} oldRange Marker range before the update. When is not defined it\n\t * means that marker is just added.\n\t * @param {module:engine/model/range~Range|null} newRange Marker range after update. When is not defined it\n\t * means that marker is just removed.\n\t */\n}\n\nmix( MarkerCollection, EmitterMixin );\n\n/**\n * `Marker` is a continuous parts of model (like a range), is named and represent some kind of information about marked\n * part of model document. In contrary to {@link module:engine/model/node~Node nodes}, which are building blocks of\n * model document tree, markers are not stored directly in document tree but in\n * {@link module:engine/model/model~Model#markers model markers' collection}. Still, they are document data, by giving\n * additional meaning to the part of a model document between marker start and marker end.\n *\n * In this sense, markers are similar to adding and converting attributes on nodes. The difference is that attribute is\n * connected with a given node (e.g. a character is bold no matter if it gets moved or content around it changes).\n * Markers on the other hand are continuous ranges and are characterized by their start and end position. This means that\n * any character in the marker is marked by the marker. For example, if a character is moved outside of marker it stops being\n * \"special\" and the marker is shrunk. Similarly, when a character is moved into the marker from other place in document\n * model, it starts being \"special\" and the marker is enlarged.\n *\n * Another upside of markers is that finding marked part of document is fast and easy. Using attributes to mark some nodes\n * and then trying to find that part of document would require traversing whole document tree. Marker gives instant access\n * to the range which it is marking at the moment.\n *\n * Markers are built from a name and a range.\n *\n * Range of the marker is updated automatically when document changes, using\n * {@link module:engine/model/liverange~LiveRange live range} mechanism.\n *\n * Name is used to group and identify markers. Names have to be unique, but markers can be grouped by\n * using common prefixes, separated with `:`, for example: `user:john` or `search:3`. That's useful in term of creating\n * namespaces for custom elements (e.g. comments, highlights). You can use this prefixes in\n * {@link module:engine/model/markercollection~MarkerCollection#event:update} listeners to listen on changes in a group of markers.\n * For instance: `model.markers.on( 'update:user', callback );` will be called whenever any `user:*` markers changes.\n *\n * There are two types of markers.\n *\n * 1. Markers managed directly, without using operations. They are added directly by {@link module:engine/model/writer~Writer}\n * to the {@link module:engine/model/markercollection~MarkerCollection} without any additional mechanism. They can be used\n * as bookmarks or visual markers. They are great for showing results of the find, or select link when the focus is in the input.\n *\n * 1. Markers managed using operations. These markers are also stored in {@link module:engine/model/markercollection~MarkerCollection}\n * but changes in these markers is managed the same way all other changes in the model structure - using operations.\n * Therefore, they are handled in the undo stack and synchronized between clients if the collaboration plugin is enabled.\n * This type of markers is useful for solutions like spell checking or comments.\n *\n * Both type of them should be added / updated by {@link module:engine/model/writer~Writer#addMarker}\n * and removed by {@link module:engine/model/writer~Writer#removeMarker} methods.\n *\n *\t\tmodel.change( ( writer ) => {\n * \t\t\tconst marker = writer.addMarker( name, { range, usingOperation: true } );\n *\n * \t\t\t// ...\n *\n * \t\t\twriter.removeMarker( marker );\n *\t\t} );\n *\n * See {@link module:engine/model/writer~Writer} to find more examples.\n *\n * Since markers need to track change in the document, for efficiency reasons, it is best to create and keep as little\n * markers as possible and remove them as soon as they are not needed anymore.\n *\n * Markers can be downcasted and upcasted.\n *\n * Markers downcast happens on {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:addMarker} and\n * {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:removeMarker} events.\n * Use {@link module:engine/conversion/downcasthelpers downcast converters} or attach a custom converter to mentioned events.\n * For {@link module:engine/controller/datacontroller~DataController data pipeline}, marker should be downcasted to an element.\n * Then, it can be upcasted back to a marker. Again, use {@link module:engine/conversion/upcasthelpers upcast converters} or\n * attach a custom converter to {@link module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element}.\n *\n * `Marker` instances are created and destroyed only by {@link ~MarkerCollection MarkerCollection}.\n */\nclass Marker {\n\t/**\n\t * Creates a marker instance.\n\t *\n\t * @param {String} name Marker name.\n\t * @param {module:engine/model/liverange~LiveRange} liveRange Range marked by the marker.\n\t * @param {Boolean} managedUsingOperations Specifies whether the marker is managed using operations.\n\t * @param {Boolean} affectsData Specifies whether the marker affects the data produced by the data pipeline\n\t * (is persisted in the editor's data).\n\t */\n\tconstructor( name, liveRange, managedUsingOperations, affectsData ) {\n\t\t/**\n\t\t * Marker's name.\n\t\t *\n\t\t * @readonly\n\t\t * @type {String}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * Range marked by the marker.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/model/liverange~LiveRange}\n\t\t */\n\t\tthis._liveRange = this._attachLiveRange( liveRange );\n\n\t\t/**\n\t\t * Flag indicates if the marker is managed using operations or not.\n\t\t *\n\t\t * @private\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._managedUsingOperations = managedUsingOperations;\n\n\t\t/**\n\t\t * Specifies whether the marker affects the data produced by the data pipeline\n\t\t * (is persisted in the editor's data).\n\t\t *\n\t\t * @private\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._affectsData = affectsData;\n\t}\n\n\t/**\n\t * A value indicating if the marker is managed using operations.\n\t * See {@link ~Marker marker class description} to learn more about marker types.\n\t * See {@link module:engine/model/writer~Writer#addMarker}.\n\t *\n\t * @returns {Boolean}\n\t */\n\tget managedUsingOperations() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._managedUsingOperations;\n\t}\n\n\t/**\n\t * A value indicating if the marker changes the data.\n\t *\n\t * @returns {Boolean}\n\t */\n\tget affectsData() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._affectsData;\n\t}\n\n\t/**\n\t * Returns current marker start position.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetStart() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._liveRange.start.clone();\n\t}\n\n\t/**\n\t * Returns current marker end position.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetEnd() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._liveRange.end.clone();\n\t}\n\n\t/**\n\t * Returns a range that represents the current state of the marker.\n\t *\n\t * Keep in mind that returned value is a {@link module:engine/model/range~Range Range}, not a\n\t * {@link module:engine/model/liverange~LiveRange LiveRange}. This means that it is up-to-date and relevant only\n\t * until next model document change. Do not store values returned by this method. Instead, store {@link ~Marker#name}\n\t * and get `Marker` instance from {@link module:engine/model/markercollection~MarkerCollection MarkerCollection} every\n\t * time there is a need to read marker properties. This will guarantee that the marker has not been removed and\n\t * that it's data is up-to-date.\n\t *\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tgetRange() {\n\t\tif ( !this._liveRange ) {\n\t\t\tthrow new CKEditorError( 'marker-destroyed', this );\n\t\t}\n\n\t\treturn this._liveRange.toRange();\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tmarker.is( 'marker' ); // -> true\n\t *\t\tmarker.is( 'model:marker' ); // -> true\n\t *\n\t *\t\tmarker.is( 'view:element' ); // -> false\n\t *\t\tmarker.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'marker' || type === 'model:marker';\n\t}\n\n\t/**\n\t * Binds new live range to the marker and detach the old one if is attached.\n\t *\n\t * @protected\n\t * @param {module:engine/model/liverange~LiveRange} liveRange Live range to attach\n\t * @returns {module:engine/model/liverange~LiveRange} Attached live range.\n\t */\n\t_attachLiveRange( liveRange ) {\n\t\tif ( this._liveRange ) {\n\t\t\tthis._detachLiveRange();\n\t\t}\n\n\t\t// Delegating does not work with namespaces. Alternatively, we could delegate all events (using `*`).\n\t\tliveRange.delegate( 'change:range' ).to( this );\n\t\tliveRange.delegate( 'change:content' ).to( this );\n\n\t\tthis._liveRange = liveRange;\n\n\t\treturn liveRange;\n\t}\n\n\t/**\n\t * Unbinds and destroys currently attached live range.\n\t *\n\t * @protected\n\t */\n\t_detachLiveRange() {\n\t\tthis._liveRange.stopDelegating( 'change:range', this );\n\t\tthis._liveRange.stopDelegating( 'change:content', this );\n\t\tthis._liveRange.detach();\n\t\tthis._liveRange = null;\n\t}\n\n\t/**\n\t * Fired whenever {@link ~Marker#_liveRange marker range} is changed due to changes on {@link module:engine/model/document~Document}.\n\t * This is a delegated {@link module:engine/model/liverange~LiveRange#event:change:range LiveRange change:range event}.\n\t *\n\t * When marker is removed from {@link module:engine/model/markercollection~MarkerCollection MarkerCollection},\n\t * all event listeners listening to it should be removed. It is best to do it on\n\t * {@link module:engine/model/markercollection~MarkerCollection#event:update MarkerCollection update event}.\n\t *\n\t * @see module:engine/model/liverange~LiveRange#event:change:range\n\t * @event change:range\n\t * @param {module:engine/model/range~Range} oldRange\n\t * @param {Object} data\n\t */\n\n\t/**\n\t * Fired whenever change on {@link module:engine/model/document~Document} is done inside {@link ~Marker#_liveRange marker range}.\n\t * This is a delegated {@link module:engine/model/liverange~LiveRange#event:change:content LiveRange change:content event}.\n\t *\n\t * When marker is removed from {@link module:engine/model/markercollection~MarkerCollection MarkerCollection},\n\t * all event listeners listening to it should be removed. It is best to do it on\n\t * {@link module:engine/model/markercollection~MarkerCollection#event:update MarkerCollection update event}.\n\t *\n\t * @see module:engine/model/liverange~LiveRange#event:change:content\n\t * @event change:content\n\t * @param {module:engine/model/range~Range} oldRange\n\t * @param {Object} data\n\t */\n}\n\nmix( Marker, EmitterMixin );\n\n/**\n * Cannot use a {@link module:engine/model/markercollection~MarkerCollection#destroy destroyed marker} instance.\n *\n * @error marker-destroyed\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/nooperation\n */\n\nimport Operation from './operation';\n\n/**\n * Operation which is doing nothing (\"empty operation\", \"do-nothing operation\", \"noop\"). This is an operation,\n * which when executed does not change the tree model. It still has some parameters defined for transformation purposes.\n *\n * In most cases this operation is a result of transforming operations. When transformation returns\n * {@link module:engine/model/operation/nooperation~NoOperation} it means that changes done by the transformed operation\n * have already been applied.\n *\n * @extends module:engine/model/operation/operation~Operation\n */\nexport default class NoOperation extends Operation {\n\tget type() {\n\t\treturn 'noop';\n\t}\n\n\t/**\n\t * Creates and returns an operation that has the same parameters as this operation.\n\t *\n\t * @returns {module:engine/model/operation/nooperation~NoOperation} Clone of this operation.\n\t */\n\tclone() {\n\t\treturn new NoOperation( this.baseVersion );\n\t}\n\n\t/**\n\t * See {@link module:engine/model/operation/operation~Operation#getReversed `Operation#getReversed()`}.\n\t *\n\t * @returns {module:engine/model/operation/nooperation~NoOperation}\n\t */\n\tgetReversed() {\n\t\treturn new NoOperation( this.baseVersion + 1 );\n\t}\n\n\t_execute() {\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get className() {\n\t\treturn 'NoOperation';\n\t}\n\n\t// @if CK_DEBUG_ENGINE // toString() {\n\t// @if CK_DEBUG_ENGINE // \treturn `NoOperation( ${ this.baseVersion } )`;\n\t// @if CK_DEBUG_ENGINE // }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/operation/operationfactory\n */\n\nimport AttributeOperation from '../operation/attributeoperation';\nimport InsertOperation from '../operation/insertoperation';\nimport MarkerOperation from '../operation/markeroperation';\nimport MoveOperation from '../operation/moveoperation';\nimport NoOperation from '../operation/nooperation';\nimport Operation from '../operation/operation';\nimport RenameOperation from '../operation/renameoperation';\nimport RootAttributeOperation from '../operation/rootattributeoperation';\nimport SplitOperation from '../operation/splitoperation';\nimport MergeOperation from '../operation/mergeoperation';\n\nconst operations = {};\noperations[ AttributeOperation.className ] = AttributeOperation;\noperations[ InsertOperation.className ] = InsertOperation;\noperations[ MarkerOperation.className ] = MarkerOperation;\noperations[ MoveOperation.className ] = MoveOperation;\noperations[ NoOperation.className ] = NoOperation;\noperations[ Operation.className ] = Operation;\noperations[ RenameOperation.className ] = RenameOperation;\noperations[ RootAttributeOperation.className ] = RootAttributeOperation;\noperations[ SplitOperation.className ] = SplitOperation;\noperations[ MergeOperation.className ] = MergeOperation;\n\n/**\n * A factory class for creating operations.\n *\n * @abstract\n */\nexport default class OperationFactory {\n\t/**\n\t * Creates an operation instance from a JSON object (parsed JSON string).\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @param {module:engine/model/document~Document} document Document on which this operation will be applied.\n\t * @returns {module:engine/model/operation/operation~Operation}\n\t */\n\tstatic fromJSON( json, document ) {\n\t\treturn operations[ json.__className ].fromJSON( json, document );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/liveposition\n */\n\nimport Position from './position';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * `LivePosition` is a type of {@link module:engine/model/position~Position Position}\n * that updates itself as {@link module:engine/model/document~Document document}\n * is changed through operations. It may be used as a bookmark.\n *\n * **Note:** Contrary to {@link module:engine/model/position~Position}, `LivePosition` works only in roots that are\n * {@link module:engine/model/rootelement~RootElement}.\n * If {@link module:engine/model/documentfragment~DocumentFragment} is passed, error will be thrown.\n *\n * **Note:** Be very careful when dealing with `LivePosition`. Each `LivePosition` instance bind events that might\n * have to be unbound.\n * Use {@link module:engine/model/liveposition~LivePosition#detach} whenever you don't need `LivePosition` anymore.\n *\n * @extends module:engine/model/position~Position\n */\nexport default class LivePosition extends Position {\n\t/**\n\t * Creates a live position.\n\t *\n\t * @see module:engine/model/position~Position\n\t * @param {module:engine/model/rootelement~RootElement} root\n\t * @param {Array.<Number>} path\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness]\n\t */\n\tconstructor( root, path, stickiness = 'toNone' ) {\n\t\tsuper( root, path, stickiness );\n\n\t\tif ( !this.root.is( 'rootElement' ) ) {\n\t\t\t/**\n\t\t\t * LivePosition's root has to be an instance of RootElement.\n\t\t\t *\n\t\t\t * @error model-liveposition-root-not-rootelement\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'model-liveposition-root-not-rootelement', root );\n\t\t}\n\n\t\tbindWithDocument.call( this );\n\t}\n\n\t/**\n\t * Unbinds all events previously bound by `LivePosition`. Use it whenever you don't need `LivePosition` instance\n\t * anymore (i.e. when leaving scope in which it was declared or before re-assigning variable that was\n\t * referring to it).\n\t */\n\tdetach() {\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Checks whether this object is of the given.\n\t *\n\t *\t\tlivePosition.is( 'position' ); // -> true\n\t *\t\tlivePosition.is( 'model:position' ); // -> true\n\t *\t\tlivePosition.is( 'liveposition' ); // -> true\n\t *\t\tlivePosition.is( 'model:livePosition' ); // -> true\n\t *\n\t *\t\tlivePosition.is( 'view:position' ); // -> false\n\t *\t\tlivePosition.is( 'documentSelection' ); // -> false\n\t *\n\t * {@link module:engine/model/node~Node#is Check the entire list of model objects} which implement the `is()` method.\n\t *\n\t * @param {String} type\n\t * @returns {Boolean}\n\t */\n\tis( type ) {\n\t\treturn type === 'livePosition' || type === 'model:livePosition' ||\n\t\t\t// From super.is(). This is highly utilised method and cannot call super. See ckeditor/ckeditor5#6529.\n\t\t\ttype == 'position' || type === 'model:position';\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/model/position~Position position instance}, which is equal to this live position.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\ttoPosition() {\n\t\treturn new Position( this.root, this.path.slice(), this.stickiness );\n\t}\n\n\t/**\n\t * Creates a `LivePosition` instance that is equal to position.\n\t *\n\t * @param {module:engine/model/position~Position} position\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness]\n\t * @returns {module:engine/model/liveposition~LivePosition}\n\t */\n\tstatic fromPosition( position, stickiness ) {\n\t\treturn new this( position.root, position.path.slice(), stickiness ? stickiness : position.stickiness );\n\t}\n\n\t/**\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liveposition~LivePosition._createAfter\n\t * @see module:engine/model/position~Position._createAfter\n\t * @param {module:engine/model/node~Node} node\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone']\n\t * @returns {module:engine/model/liveposition~LivePosition}\n\t */\n\n\t/**\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liveposition~LivePosition._createBefore\n\t * @see module:engine/model/position~Position._createBefore\n\t * @param {module:engine/model/node~Node} node\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone']\n\t * @returns {module:engine/model/liveposition~LivePosition}\n\t */\n\n\t/**\n\t * @static\n\t * @protected\n\t * @method module:engine/model/liveposition~LivePosition._createAt\n\t * @see module:engine/model/position~Position._createAt\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset]\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone']\n\t * @returns {module:engine/model/liveposition~LivePosition}\n\t */\n\n\t/**\n\t * Fired when `LivePosition` instance is changed due to changes on {@link module:engine/model/document~Document}.\n\t *\n\t * @event module:engine/model/liveposition~LivePosition#change\n\t * @param {module:engine/model/position~Position} oldPosition Position equal to this live position before it got changed.\n\t */\n}\n\n// Binds this `LivePosition` to the {@link module:engine/model/document~Document document} that owns\n// this position's {@link module:engine/model/position~Position#root root}.\n//\n// @private\nfunction bindWithDocument() {\n\tthis.listenTo(\n\t\tthis.root.document.model,\n\t\t'applyOperation',\n\t\t( event, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( !operation.isDocumentOperation ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\ttransform.call( this, operation );\n\t\t},\n\t\t{ priority: 'low' }\n\t);\n}\n\n// Updates this position accordingly to the updates applied to the model. Bases on change events.\n//\n// @private\n// @param {module:engine/model/operation/operation~Operation} operation Executed operation.\nfunction transform( operation ) {\n\tconst result = this.getTransformedByOperation( operation );\n\n\tif ( !this.isEqual( result ) ) {\n\t\tconst oldPosition = this.toPosition();\n\n\t\tthis.path = result.path;\n\t\tthis.root = result.root;\n\n\t\tthis.fire( 'change', oldPosition );\n\t}\n}\n\nmix( LivePosition, EmitterMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/insertcontent\n */\n\nimport Position from '../position';\nimport LivePosition from '../liveposition';\nimport Element from '../element';\nimport Range from '../range';\nimport DocumentSelection from '../documentselection';\nimport Selection from '../selection';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Inserts content into the editor (specified selection) as one would expect the paste functionality to work.\n *\n * It takes care of removing the selected content, splitting elements (if needed), inserting elements and merging elements appropriately.\n *\n * Some examples:\n *\n * \t\t<p>x^</p> + <p>y</p> => <p>x</p><p>y</p> => <p>xy[]</p>\n * \t\t<p>x^y</p> + <p>z</p> => <p>x</p>^<p>y</p> + <p>z</p> => <p>x</p><p>z</p><p>y</p> => <p>xz[]y</p>\n * \t\t<p>x^y</p> + <img /> => <p>x</p>^<p>y</p> + <img /> => <p>x</p><img /><p>y</p>\n * \t\t<p>x</p><p>^</p><p>z</p> + <p>y</p> => <p>x</p><p>y[]</p><p>z</p> (no merging)\n * \t\t<p>x</p>[<img />]<p>z</p> + <p>y</p> => <p>x</p>^<p>z</p> + <p>y</p> => <p>x</p><p>y[]</p><p>z</p>\n *\n * If an instance of {@link module:engine/model/selection~Selection} is passed as `selectable` it will be modified\n * to the insertion selection (equal to a range to be selected after insertion).\n *\n * If `selectable` is not passed, the content will be inserted using the current selection of the model document.\n *\n * **Note:** Use {@link module:engine/model/model~Model#insertContent} instead of this function.\n * This function is only exposed to be reusable in algorithms which change the {@link module:engine/model/model~Model#insertContent}\n * method's behavior.\n *\n * @param {module:engine/model/model~Model} model The model in context of which the insertion\n * should be performed.\n * @param {module:engine/model/documentfragment~DocumentFragment|module:engine/model/item~Item} content The content to insert.\n * @param {module:engine/model/selection~Selectable} [selectable=model.document.selection]\n * Selection into which the content should be inserted.\n * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n * @returns {module:engine/model/range~Range} Range which contains all the performed changes. This is a range that, if removed,\n * would return the model to the state before the insertion. If no changes were preformed by `insertContent`, returns a range collapsed\n * at the insertion position.\n */\nexport default function insertContent( model, content, selectable, placeOrOffset ) {\n\treturn model.change( writer => {\n\t\tlet selection;\n\n\t\tif ( !selectable ) {\n\t\t\tselection = model.document.selection;\n\t\t} else if ( selectable instanceof Selection || selectable instanceof DocumentSelection ) {\n\t\t\tselection = selectable;\n\t\t} else {\n\t\t\tselection = writer.createSelection( selectable, placeOrOffset );\n\t\t}\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\tmodel.deleteContent( selection, { doNotAutoparagraph: true } );\n\t\t}\n\n\t\tconst insertion = new Insertion( model, writer, selection.anchor );\n\n\t\tlet nodesToInsert;\n\n\t\tif ( content.is( 'documentFragment' ) ) {\n\t\t\tnodesToInsert = content.getChildren();\n\t\t} else {\n\t\t\tnodesToInsert = [ content ];\n\t\t}\n\n\t\tinsertion.handleNodes( nodesToInsert );\n\n\t\tconst newRange = insertion.getSelectionRange();\n\n\t\t/* istanbul ignore else */\n\t\tif ( newRange ) {\n\t\t\tif ( selection instanceof DocumentSelection ) {\n\t\t\t\twriter.setSelection( newRange );\n\t\t\t} else {\n\t\t\t\tselection.setTo( newRange );\n\t\t\t}\n\t\t} else {\n\t\t\t// We are not testing else because it's a safe check for unpredictable edge cases:\n\t\t\t// an insertion without proper range to select.\n\t\t\t//\n\t\t\t// @if CK_DEBUG // console.warn( 'Cannot determine a proper selection range after insertion.' );\n\t\t}\n\n\t\tconst affectedRange = insertion.getAffectedRange() || model.createRange( selection.anchor );\n\n\t\tinsertion.destroy();\n\n\t\treturn affectedRange;\n\t} );\n}\n\n/**\n * Utility class for performing content insertion.\n *\n * @private\n */\nclass Insertion {\n\tconstructor( model, writer, position ) {\n\t\t/**\n\t\t * The model in context of which the insertion should be performed.\n\t\t *\n\t\t * @member {module:engine/model~Model} #model\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * Batch to which operations will be added.\n\t\t *\n\t\t * @member {module:engine/controller/writer~Batch} #writer\n\t\t */\n\t\tthis.writer = writer;\n\n\t\t/**\n\t\t * The position at which (or near which) the next node will be inserted.\n\t\t *\n\t\t * @member {module:engine/model/position~Position} #position\n\t\t */\n\t\tthis.position = position;\n\n\t\t/**\n\t\t * Elements with which the inserted elements can be merged.\n\t\t *\n\t\t *\t\t<p>x^</p><p>y</p> + <p>z</p> (can merge to <p>x</p>)\n\t\t *\t\t<p>x</p><p>^y</p> + <p>z</p> (can merge to <p>y</p>)\n\t\t *\t\t<p>x^y</p> + <p>z</p> (can merge to <p>xy</p> which will be split during the action,\n\t\t *\t\t\t\t\t\t\t\tso both its pieces will be added to this set)\n\t\t *\n\t\t *\n\t\t * @member {Set} #canMergeWith\n\t\t */\n\t\tthis.canMergeWith = new Set( [ this.position.parent ] );\n\n\t\t/**\n\t\t * Schema of the model.\n\t\t *\n\t\t * @member {module:engine/model/schema~Schema} #schema\n\t\t */\n\t\tthis.schema = model.schema;\n\n\t\t/**\n\t\t * The temporary DocumentFragment used for grouping multiple nodes for single insert operation.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/documentfragment~DocumentFragment}\n\t\t */\n\t\tthis._documentFragment = writer.createDocumentFragment();\n\n\t\t/**\n\t\t * The current position in the temporary DocumentFragment.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/position~Position}\n\t\t */\n\t\tthis._documentFragmentPosition = writer.createPositionAt( this._documentFragment, 0 );\n\n\t\t/**\n\t\t * The reference to the first inserted node.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/node~Node}\n\t\t */\n\t\tthis._firstNode = null;\n\n\t\t/**\n\t\t * The reference to the last inserted node.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/node~Node}\n\t\t */\n\t\tthis._lastNode = null;\n\n\t\t/**\n\t\t * The reference to the last auto paragraph node.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/node~Node}\n\t\t */\n\t\tthis._lastAutoParagraph = null;\n\n\t\t/**\n\t\t * The array of nodes that should be cleaned of not allowed attributes.\n\t\t *\n\t\t * @private\n\t\t * @type {Array.<module:engine/model/node~Node>}\n\t\t */\n\t\tthis._filterAttributesOf = [];\n\n\t\t/**\n\t\t * Beginning of the affected range. See {@link module:engine/model/utils/insertcontent~Insertion#getAffectedRange}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/liveposition~LivePosition|null} #_affectedStart\n\t\t */\n\t\tthis._affectedStart = null;\n\n\t\t/**\n\t\t * End of the affected range. See {@link module:engine/model/utils/insertcontent~Insertion#getAffectedRange}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/liveposition~LivePosition|null} #_affectedEnd\n\t\t */\n\t\tthis._affectedEnd = null;\n\t}\n\n\t/**\n\t * Handles insertion of a set of nodes.\n\t *\n\t * @param {Iterable.<module:engine/model/node~Node>} nodes Nodes to insert.\n\t */\n\thandleNodes( nodes ) {\n\t\tfor ( const node of Array.from( nodes ) ) {\n\t\t\tthis._handleNode( node );\n\t\t}\n\n\t\t// Insert nodes collected in temporary DocumentFragment.\n\t\tthis._insertPartialFragment();\n\n\t\t// If there was an auto paragraph then we might need to adjust the end of insertion.\n\t\tif ( this._lastAutoParagraph ) {\n\t\t\tthis._updateLastNodeFromAutoParagraph( this._lastAutoParagraph );\n\t\t}\n\n\t\t// After the content was inserted we may try to merge it with its next sibling if the selection was in it initially.\n\t\t// Merging with the previous sibling was performed just after inserting the first node to the document.\n\t\tthis._mergeOnRight();\n\n\t\t// TMP this will become a post-fixer.\n\t\tthis.schema.removeDisallowedAttributes( this._filterAttributesOf, this.writer );\n\t\tthis._filterAttributesOf = [];\n\t}\n\n\t/**\n\t * Updates the last node after the auto paragraphing.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The last auto paragraphing node.\n\t */\n\t_updateLastNodeFromAutoParagraph( node ) {\n\t\tconst positionAfterLastNode = this.writer.createPositionAfter( this._lastNode );\n\t\tconst positionAfterNode = this.writer.createPositionAfter( node );\n\n\t\t// If the real end was after the last auto paragraph then update relevant properties.\n\t\tif ( positionAfterNode.isAfter( positionAfterLastNode ) ) {\n\t\t\tthis._lastNode = node;\n\n\t\t\t/* istanbul ignore if */\n\t\t\tif ( this.position.parent != node || !this.position.isAtEnd ) {\n\t\t\t\t// Algorithm's correctness check. We should never end up here but it's good to know that we did.\n\t\t\t\t// At this point the insertion position should be at the end of the last auto paragraph.\n\t\t\t\t// Note: This error is documented in other place in this file.\n\t\t\t\tthrow new CKEditorError( 'insertcontent-invalid-insertion-position', this );\n\t\t\t}\n\n\t\t\tthis.position = positionAfterNode;\n\t\t\tthis._setAffectedBoundaries( this.position );\n\t\t}\n\t}\n\n\t/**\n\t * Returns range to be selected after insertion.\n\t * Returns `null` if there is no valid range to select after insertion.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetSelectionRange() {\n\t\tif ( this.nodeToSelect ) {\n\t\t\treturn Range._createOn( this.nodeToSelect );\n\t\t}\n\n\t\treturn this.model.schema.getNearestSelectionRange( this.position );\n\t}\n\n\t/**\n\t * Returns a range which contains all the performed changes. This is a range that, if removed, would return the model to the state\n\t * before the insertion. Returns `null` if no changes were done.\n\t *\n\t * @returns {module:engine/model/range~Range|null}\n\t */\n\tgetAffectedRange() {\n\t\tif ( !this._affectedStart ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn new Range( this._affectedStart, this._affectedEnd );\n\t}\n\n\t/**\n\t * Destroys `Insertion` instance.\n\t */\n\tdestroy() {\n\t\tif ( this._affectedStart ) {\n\t\t\tthis._affectedStart.detach();\n\t\t}\n\n\t\tif ( this._affectedEnd ) {\n\t\t\tthis._affectedEnd.detach();\n\t\t}\n\t}\n\n\t/**\n\t * Handles insertion of a single node.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node\n\t */\n\t_handleNode( node ) {\n\t\t// Let's handle object in a special way.\n\t\t// * They should never be merged with other elements.\n\t\t// * If they are not allowed in any of the selection ancestors, they could be either autoparagraphed or totally removed.\n\t\tif ( this.schema.isObject( node ) ) {\n\t\t\tthis._handleObject( node );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Try to find a place for the given node.\n\n\t\t// Check if a node can be inserted in the given position or it would be accepted if a paragraph would be inserted.\n\t\t// Inserts the auto paragraph if it would allow for insertion.\n\t\tlet isAllowed = this._checkAndAutoParagraphToAllowedPosition( node );\n\n\t\tif ( !isAllowed ) {\n\t\t\t// Split the position.parent's branch up to a point where the node can be inserted.\n\t\t\t// If it isn't allowed in the whole branch, then of course don't split anything.\n\t\t\tisAllowed = this._checkAndSplitToAllowedPosition( node );\n\n\t\t\tif ( !isAllowed ) {\n\t\t\t\tthis._handleDisallowedNode( node );\n\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\t// Add node to the current temporary DocumentFragment.\n\t\tthis._appendToFragment( node );\n\n\t\t// Store the first and last nodes for easy access for merging with sibling nodes.\n\t\tif ( !this._firstNode ) {\n\t\t\tthis._firstNode = node;\n\t\t}\n\n\t\tthis._lastNode = node;\n\t}\n\n\t/**\n\t * Inserts the temporary DocumentFragment into the model.\n\t *\n\t * @private\n\t */\n\t_insertPartialFragment() {\n\t\tif ( this._documentFragment.isEmpty ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst livePosition = LivePosition.fromPosition( this.position, 'toNext' );\n\n\t\tthis._setAffectedBoundaries( this.position );\n\n\t\t// If the very first node of the whole insertion process is inserted, insert it separately for OT reasons (undo).\n\t\t// Note: there can be multiple calls to `_insertPartialFragment()` during one insertion process.\n\t\t// Note: only the very first node can be merged so we have to do separate operation only for it.\n\t\tif ( this._documentFragment.getChild( 0 ) == this._firstNode ) {\n\t\t\tthis.writer.insert( this._firstNode, this.position );\n\n\t\t\t// We must merge the first node just after inserting it to avoid problems with OT.\n\t\t\t// (See: https://github.com/ckeditor/ckeditor5/pull/8773#issuecomment-760945652).\n\t\t\tthis._mergeOnLeft();\n\n\t\t\tthis.position = livePosition.toPosition();\n\t\t}\n\n\t\t// Insert the remaining nodes from document fragment.\n\t\tif ( !this._documentFragment.isEmpty ) {\n\t\t\tthis.writer.insert( this._documentFragment, this.position );\n\t\t}\n\n\t\tthis._documentFragmentPosition = this.writer.createPositionAt( this._documentFragment, 0 );\n\n\t\tthis.position = livePosition.toPosition();\n\t\tlivePosition.detach();\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/element~Element} node The object element.\n\t */\n\t_handleObject( node ) {\n\t\t// Try finding it a place in the tree.\n\t\tif ( this._checkAndSplitToAllowedPosition( node ) ) {\n\t\t\tthis._appendToFragment( node );\n\t\t}\n\t\t// Try autoparagraphing.\n\t\telse {\n\t\t\tthis._tryAutoparagraphing( node );\n\t\t}\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/node~Node} node The disallowed node which needs to be handled.\n\t */\n\t_handleDisallowedNode( node ) {\n\t\t// If the node is an element, try inserting its children (strip the parent).\n\t\tif ( node.is( 'element' ) ) {\n\t\t\tthis.handleNodes( node.getChildren() );\n\t\t}\n\t\t// If text is not allowed, try autoparagraphing it.\n\t\telse {\n\t\t\tthis._tryAutoparagraphing( node );\n\t\t}\n\t}\n\n\t/**\n\t * Append a node to the temporary DocumentFragment.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node to insert.\n\t */\n\t_appendToFragment( node ) {\n\t\t/* istanbul ignore if */\n\t\tif ( !this.schema.checkChild( this.position, node ) ) {\n\t\t\t// Algorithm's correctness check. We should never end up here but it's good to know that we did.\n\t\t\t// Note that it would often be a silent issue if we insert node in a place where it's not allowed.\n\n\t\t\t/**\n\t\t\t * Given node cannot be inserted on the given position.\n\t\t\t *\n\t\t\t * @error insertcontent-wrong-position\n\t\t\t * @param {module:engine/model/node~Node} node Node to insert.\n\t\t\t * @param {module:engine/model/position~Position} position Position to insert the node at.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'insertcontent-wrong-position',\n\t\t\t\tthis,\n\t\t\t\t{ node, position: this.position }\n\t\t\t);\n\t\t}\n\n\t\tthis.writer.insert( node, this._documentFragmentPosition );\n\t\tthis._documentFragmentPosition = this._documentFragmentPosition.getShiftedBy( node.offsetSize );\n\n\t\t// The last inserted object should be selected because we can't put a collapsed selection after it.\n\t\tif ( this.schema.isObject( node ) && !this.schema.checkChild( this.position, '$text' ) ) {\n\t\t\tthis.nodeToSelect = node;\n\t\t} else {\n\t\t\tthis.nodeToSelect = null;\n\t\t}\n\n\t\tthis._filterAttributesOf.push( node );\n\t}\n\n\t/**\n\t * Sets `_affectedStart` and `_affectedEnd` to the given `position`. Should be used before a change is done during insertion process to\n\t * mark the affected range.\n\t *\n\t * This method is used before inserting a node or splitting a parent node. `_affectedStart` and `_affectedEnd` are also changed\n\t * during merging, but the logic there is more complicated so it is left out of this function.\n\t *\n\t * @private\n\t * @param {module:engine/model/position~Position} position\n\t */\n\t_setAffectedBoundaries( position ) {\n\t\t// Set affected boundaries stickiness so that those position will \"expand\" when something is inserted in between them:\n\t\t// <paragraph>Foo][bar</paragraph> -> <paragraph>Foo]xx[bar</paragraph>\n\t\t// This is why it cannot be a range but two separate positions.\n\t\tif ( !this._affectedStart ) {\n\t\t\tthis._affectedStart = LivePosition.fromPosition( position, 'toPrevious' );\n\t\t}\n\n\t\t// If `_affectedEnd` is before the new boundary position, expand `_affectedEnd`. This can happen if first inserted node was\n\t\t// inserted into the parent but the next node is moved-out of that parent:\n\t\t// (1) <paragraph>Foo][</paragraph> -> <paragraph>Foo]xx[</paragraph>\n\t\t// (2) <paragraph>Foo]xx[</paragraph> -> <paragraph>Foo]xx</paragraph><widget></widget>[\n\t\tif ( !this._affectedEnd || this._affectedEnd.isBefore( position ) ) {\n\t\t\tif ( this._affectedEnd ) {\n\t\t\t\tthis._affectedEnd.detach();\n\t\t\t}\n\n\t\t\tthis._affectedEnd = LivePosition.fromPosition( position, 'toNext' );\n\t\t}\n\t}\n\n\t/**\n\t * Merges the previous sibling of the first node if it should be merged.\n\t *\n\t * After the content was inserted we may try to merge it with its siblings.\n\t * This should happen only if the selection was in those elements initially.\n\t *\n\t * @private\n\t */\n\t_mergeOnLeft() {\n\t\tconst node = this._firstNode;\n\n\t\tif ( !( node instanceof Element ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !this._canMergeLeft( node ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst mergePosLeft = LivePosition._createBefore( node );\n\t\tmergePosLeft.stickiness = 'toNext';\n\n\t\tconst livePosition = LivePosition.fromPosition( this.position, 'toNext' );\n\n\t\t// If `_affectedStart` is sames as merge position, it means that the element \"marked\" by `_affectedStart` is going to be\n\t\t// removed and its contents will be moved. This won't transform `LivePosition` so `_affectedStart` needs to be moved\n\t\t// by hand to properly reflect affected range. (Due to `_affectedStart` and `_affectedEnd` stickiness, the \"range\" is\n\t\t// shown as `][`).\n\t\t//\n\t\t// Example - insert `<paragraph>Abc</paragraph><paragraph>Xyz</paragraph>` at the end of `<paragraph>Foo^</paragraph>`:\n\t\t//\n\t\t// <paragraph>Foo</paragraph><paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo</paragraph>]<paragraph>Abc</paragraph><paragraph>Xyz</paragraph>[<paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo]Abc</paragraph><paragraph>Xyz</paragraph>[<paragraph>Bar</paragraph>\n\t\t//\n\t\t// Note, that if we are here then something must have been inserted, so `_affectedStart` and `_affectedEnd` have to be set.\n\t\tif ( this._affectedStart.isEqual( mergePosLeft ) ) {\n\t\t\tthis._affectedStart.detach();\n\t\t\tthis._affectedStart = LivePosition._createAt( mergePosLeft.nodeBefore, 'end', 'toPrevious' );\n\t\t}\n\n\t\t// We need to update the references to the first and last nodes if they will be merged into the previous sibling node\n\t\t// because the reference would point to the removed node.\n\t\t//\n\t\t// <p>A^A</p> + <p>X</p>\n\t\t//\n\t\t// <p>A</p>^<p>A</p>\n\t\t// <p>A</p><p>X</p><p>A</p>\n\t\t// <p>AX</p><p>A</p>\n\t\t// <p>AXA</p>\n\t\tif ( this._firstNode === this._lastNode ) {\n\t\t\tthis._firstNode = mergePosLeft.nodeBefore;\n\t\t\tthis._lastNode = mergePosLeft.nodeBefore;\n\t\t}\n\n\t\tthis.writer.merge( mergePosLeft );\n\n\t\t// If only one element (the merged one) is in the \"affected range\", also move the affected range end appropriately.\n\t\t//\n\t\t// Example - insert `<paragraph>Abc</paragraph>` at the of `<paragraph>Foo^</paragraph>`:\n\t\t//\n\t\t// <paragraph>Foo</paragraph><paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo</paragraph>]<paragraph>Abc</paragraph>[<paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo]Abc</paragraph>[<paragraph>Bar</paragraph>   -->\n\t\t// <paragraph>Foo]Abc[</paragraph><paragraph>Bar</paragraph>\n\t\tif ( mergePosLeft.isEqual( this._affectedEnd ) && this._firstNode === this._lastNode ) {\n\t\t\tthis._affectedEnd.detach();\n\t\t\tthis._affectedEnd = LivePosition._createAt( mergePosLeft.nodeBefore, 'end', 'toNext' );\n\t\t}\n\n\t\tthis.position = livePosition.toPosition();\n\t\tlivePosition.detach();\n\n\t\t// After merge elements that were marked by _insert() to be filtered might be gone so\n\t\t// we need to mark the new container.\n\t\tthis._filterAttributesOf.push( this.position.parent );\n\n\t\tmergePosLeft.detach();\n\t}\n\n\t/**\n\t * Merges the next sibling of the last node if it should be merged.\n\t *\n\t * After the content was inserted we may try to merge it with its siblings.\n\t * This should happen only if the selection was in those elements initially.\n\t *\n\t * @private\n\t */\n\t_mergeOnRight() {\n\t\tconst node = this._lastNode;\n\n\t\tif ( !( node instanceof Element ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !this._canMergeRight( node ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst mergePosRight = LivePosition._createAfter( node );\n\t\tmergePosRight.stickiness = 'toNext';\n\n\t\t/* istanbul ignore if */\n\t\tif ( !this.position.isEqual( mergePosRight ) ) {\n\t\t\t// Algorithm's correctness check. We should never end up here but it's good to know that we did.\n\t\t\t// At this point the insertion position should be after the node we'll merge. If it isn't,\n\t\t\t// it should need to be secured as in the left merge case.\n\t\t\t/**\n\t\t\t * An internal error occurred when merging inserted content with its siblings.\n\t\t\t * The insertion position should equal the merge position.\n\t\t\t *\n\t\t\t * If you encountered this error, report it back to the CKEditor 5 team\n\t\t\t * with as many details as possible regarding the content being inserted and the insertion position.\n\t\t\t *\n\t\t\t * @error insertcontent-invalid-insertion-position\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'insertcontent-invalid-insertion-position', this );\n\t\t}\n\n\t\t// Move the position to the previous node, so it isn't moved to the graveyard on merge.\n\t\t// <p>x</p>[]<p>y</p> => <p>x[]</p><p>y</p>\n\t\tthis.position = Position._createAt( mergePosRight.nodeBefore, 'end' );\n\n\t\t// Explanation of setting position stickiness to `'toPrevious'`:\n\t\t// OK:  <p>xx[]</p> + <p>yy</p> => <p>xx[]yy</p> (when sticks to previous)\n\t\t// NOK: <p>xx[]</p> + <p>yy</p> => <p>xxyy[]</p> (when sticks to next)\n\t\tconst livePosition = LivePosition.fromPosition( this.position, 'toPrevious' );\n\n\t\t// See comment in `_mergeOnLeft()` on moving `_affectedStart`.\n\t\tif ( this._affectedEnd.isEqual( mergePosRight ) ) {\n\t\t\tthis._affectedEnd.detach();\n\t\t\tthis._affectedEnd = LivePosition._createAt( mergePosRight.nodeBefore, 'end', 'toNext' );\n\t\t}\n\n\t\t// We need to update the references to the first and last nodes if they will be merged into the previous sibling node\n\t\t// because the reference would point to the removed node.\n\t\t//\n\t\t// <p>A^A</p> + <p>X</p>\n\t\t//\n\t\t// <p>A</p>^<p>A</p>\n\t\t// <p>A</p><p>X</p><p>A</p>\n\t\t// <p>AX</p><p>A</p>\n\t\t// <p>AXA</p>\n\t\tif ( this._firstNode === this._lastNode ) {\n\t\t\tthis._firstNode = mergePosRight.nodeBefore;\n\t\t\tthis._lastNode = mergePosRight.nodeBefore;\n\t\t}\n\n\t\tthis.writer.merge( mergePosRight );\n\n\t\t// See comment in `_mergeOnLeft()` on moving `_affectedStart`.\n\t\tif ( mergePosRight.getShiftedBy( -1 ).isEqual( this._affectedStart ) && this._firstNode === this._lastNode ) {\n\t\t\tthis._affectedStart.detach();\n\t\t\tthis._affectedStart = LivePosition._createAt( mergePosRight.nodeBefore, 0, 'toPrevious' );\n\t\t}\n\n\t\tthis.position = livePosition.toPosition();\n\t\tlivePosition.detach();\n\n\t\t// After merge elements that were marked by _insert() to be filtered might be gone so\n\t\t// we need to mark the new container.\n\t\tthis._filterAttributesOf.push( this.position.parent );\n\n\t\tmergePosRight.detach();\n\t}\n\n\t/**\n\t * Checks whether specified node can be merged with previous sibling element.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node which could potentially be merged.\n\t * @returns {Boolean}\n\t */\n\t_canMergeLeft( node ) {\n\t\tconst previousSibling = node.previousSibling;\n\n\t\treturn ( previousSibling instanceof Element ) &&\n\t\t\tthis.canMergeWith.has( previousSibling ) &&\n\t\t\tthis.model.schema.checkMerge( previousSibling, node );\n\t}\n\n\t/**\n\t * Checks whether specified node can be merged with next sibling element.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node which could potentially be merged.\n\t * @returns {Boolean}\n\t */\n\t_canMergeRight( node ) {\n\t\tconst nextSibling = node.nextSibling;\n\n\t\treturn ( nextSibling instanceof Element ) &&\n\t\t\tthis.canMergeWith.has( nextSibling ) &&\n\t\t\tthis.model.schema.checkMerge( node, nextSibling );\n\t}\n\n\t/**\n\t * Tries wrapping the node in a new paragraph and inserting it this way.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node which needs to be autoparagraphed.\n\t */\n\t_tryAutoparagraphing( node ) {\n\t\tconst paragraph = this.writer.createElement( 'paragraph' );\n\n\t\t// Do not autoparagraph if the paragraph won't be allowed there,\n\t\t// cause that would lead to an infinite loop. The paragraph would be rejected in\n\t\t// the next _handleNode() call and we'd be here again.\n\t\tif ( this._getAllowedIn( this.position.parent, paragraph ) && this.schema.checkChild( paragraph, node ) ) {\n\t\t\tparagraph._appendChild( node );\n\t\t\tthis._handleNode( paragraph );\n\t\t}\n\t}\n\n\t/**\n\t * Checks if a node can be inserted in the given position or it would be accepted if a paragraph would be inserted.\n\t * It also handles inserting the paragraph.\n\t *\n\t * @private\n\t * @param {module:engine/model/node~Node} node The node.\n\t * @returns {Boolean} Whether an allowed position was found.\n\t * `false` is returned if the node isn't allowed at the current position or in auto paragraph, `true` if was.\n\t */\n\t_checkAndAutoParagraphToAllowedPosition( node ) {\n\t\tif ( this.schema.checkChild( this.position.parent, node ) ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Do not auto paragraph if the paragraph won't be allowed there,\n\t\t// cause that would lead to an infinite loop. The paragraph would be rejected in\n\t\t// the next _handleNode() call and we'd be here again.\n\t\tif ( !this.schema.checkChild( this.position.parent, 'paragraph' ) || !this.schema.checkChild( 'paragraph', node ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Insert nodes collected in temporary DocumentFragment if the position parent needs change to process further nodes.\n\t\tthis._insertPartialFragment();\n\n\t\t// Insert a paragraph and move insertion position to it.\n\t\tconst paragraph = this.writer.createElement( 'paragraph' );\n\n\t\tthis.writer.insert( paragraph, this.position );\n\t\tthis._setAffectedBoundaries( this.position );\n\n\t\tthis._lastAutoParagraph = paragraph;\n\t\tthis.position = this.writer.createPositionAt( paragraph, 0 );\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * @private\n\t * @param {module:engine/model/node~Node} node\n\t * @returns {Boolean} Whether an allowed position was found.\n\t * `false` is returned if the node isn't allowed at any position up in the tree, `true` if was.\n\t */\n\t_checkAndSplitToAllowedPosition( node ) {\n\t\tconst allowedIn = this._getAllowedIn( this.position.parent, node );\n\n\t\tif ( !allowedIn ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Insert nodes collected in temporary DocumentFragment if the position parent needs change to process further nodes.\n\t\tif ( allowedIn != this.position.parent ) {\n\t\t\tthis._insertPartialFragment();\n\t\t}\n\n\t\twhile ( allowedIn != this.position.parent ) {\n\t\t\tif ( this.position.isAtStart ) {\n\t\t\t\t// If insertion position is at the beginning of the parent, move it out instead of splitting.\n\t\t\t\t// <p>^Foo</p> -> ^<p>Foo</p>\n\t\t\t\tconst parent = this.position.parent;\n\n\t\t\t\tthis.position = this.writer.createPositionBefore( parent );\n\n\t\t\t\t// Special case – parent is empty (<p>^</p>).\n\t\t\t\t//\n\t\t\t\t// 1. parent.isEmpty\n\t\t\t\t// We can remove the element after moving insertion position out of it.\n\t\t\t\t//\n\t\t\t\t// 2. parent.parent === allowedIn\n\t\t\t\t// However parent should remain in place when allowed element is above limit element in document tree.\n\t\t\t\t// For example there shouldn't be allowed to remove empty paragraph from tableCell, when is pasted\n\t\t\t\t// content allowed in $root.\n\t\t\t\tif ( parent.isEmpty && parent.parent === allowedIn ) {\n\t\t\t\t\tthis.writer.remove( parent );\n\t\t\t\t}\n\t\t\t} else if ( this.position.isAtEnd ) {\n\t\t\t\t// If insertion position is at the end of the parent, move it out instead of splitting.\n\t\t\t\t// <p>Foo^</p> -> <p>Foo</p>^\n\t\t\t\tthis.position = this.writer.createPositionAfter( this.position.parent );\n\t\t\t} else {\n\t\t\t\tconst tempPos = this.writer.createPositionAfter( this.position.parent );\n\n\t\t\t\tthis._setAffectedBoundaries( this.position );\n\t\t\t\tthis.writer.split( this.position );\n\n\t\t\t\tthis.position = tempPos;\n\n\t\t\t\tthis.canMergeWith.add( this.position.nodeAfter );\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Gets the element in which the given node is allowed. It checks the passed element and all its ancestors.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} contextElement The element in which context the node should be checked.\n\t * @param {module:engine/model/node~Node} childNode The node to check.\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\t_getAllowedIn( contextElement, childNode ) {\n\t\tif ( this.schema.checkChild( contextElement, childNode ) ) {\n\t\t\treturn contextElement;\n\t\t}\n\n\t\t// If the child wasn't allowed in the context element and the element is a limit there's no point in\n\t\t// checking any further towards the root. This is it: the limit is unsplittable and there's nothing\n\t\t// we can do about it. Without this check, the algorithm will analyze parent of the limit and may create\n\t\t// an illusion of the child being allowed. There's no way to insert it down there, though. It results in\n\t\t// infinite loops.\n\t\tif ( this.schema.isLimit( contextElement ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this._getAllowedIn( contextElement.parent, childNode );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/deletecontent\n */\n\nimport LivePosition from '../liveposition';\nimport Range from '../range';\nimport DocumentSelection from '../documentselection';\n\n/**\n * Deletes content of the selection and merge siblings. The resulting selection is always collapsed.\n *\n * **Note:** Use {@link module:engine/model/model~Model#deleteContent} instead of this function.\n * This function is only exposed to be reusable in algorithms\n * which change the {@link module:engine/model/model~Model#deleteContent}\n * method's behavior.\n *\n * @param {module:engine/model/model~Model} model The model in context of which the insertion\n * should be performed.\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * Selection of which the content should be deleted.\n * @param {Object} [options]\n * @param {Boolean} [options.leaveUnmerged=false] Whether to merge elements after removing the content of the selection.\n *\n * For example `<heading>x[x</heading><paragraph>y]y</paragraph>` will become:\n *\n * * `<heading>x^y</heading>` with the option disabled (`leaveUnmerged == false`)\n * * `<heading>x^</heading><paragraph>y</paragraph>` with enabled (`leaveUnmerged == true`).\n *\n * Note: {@link module:engine/model/schema~Schema#isObject object} and {@link module:engine/model/schema~Schema#isLimit limit}\n * elements will not be merged.\n *\n * @param {Boolean} [options.doNotResetEntireContent=false] Whether to skip replacing the entire content with a\n * paragraph when the entire content was selected.\n *\n * For example `<heading>[x</heading><paragraph>y]</paragraph>` will become:\n *\n * * `<paragraph>^</paragraph>` with the option disabled (`doNotResetEntireContent == false`)\n * * `<heading>^</heading>` with enabled (`doNotResetEntireContent == true`).\n *\n * @param {Boolean} [options.doNotAutoparagraph=false] Whether to create a paragraph if after content deletion selection is moved\n * to a place where text cannot be inserted.\n *\n * For example `<paragraph>x</paragraph>[<imageBlock src=\"foo.jpg\"></imageBlock>]` will become:\n *\n * * `<paragraph>x</paragraph><paragraph>[]</paragraph>` with the option disabled (`doNotAutoparagraph == false`)\n * * `<paragraph>x</paragraph>[]` with the option enabled (`doNotAutoparagraph == true`).\n *\n * If you use this option you need to make sure to handle invalid selections yourself or leave\n * them to the selection post-fixer (may not always work).\n *\n * **Note:** If there is no valid position for the selection, the paragraph will always be created:\n *\n * `[<imageBlock src=\"foo.jpg\"></imageBlock>]` -> `<paragraph>[]</paragraph>`.\n */\nexport default function deleteContent( model, selection, options = {} ) {\n\tif ( selection.isCollapsed ) {\n\t\treturn;\n\t}\n\n\tconst selRange = selection.getFirstRange();\n\n\t// If the selection is already removed, don't do anything.\n\tif ( selRange.root.rootName == '$graveyard' ) {\n\t\treturn;\n\t}\n\n\tconst schema = model.schema;\n\n\tmodel.change( writer => {\n\t\t// 1. Replace the entire content with paragraph.\n\t\t// See: https://github.com/ckeditor/ckeditor5-engine/issues/1012#issuecomment-315017594.\n\t\tif ( !options.doNotResetEntireContent && shouldEntireContentBeReplacedWithParagraph( schema, selection ) ) {\n\t\t\treplaceEntireContentWithParagraph( writer, selection, schema );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Get the live positions for the range adjusted to span only blocks selected from the user perspective.\n\t\tconst [ startPosition, endPosition ] = getLivePositionsForSelectedBlocks( selRange );\n\n\t\t// 2. Remove the content if there is any.\n\t\tif ( !startPosition.isTouching( endPosition ) ) {\n\t\t\twriter.remove( writer.createRange( startPosition, endPosition ) );\n\t\t}\n\n\t\t// 3. Merge elements in the right branch to the elements in the left branch.\n\t\t// The only reasonable (in terms of data and selection correctness) case in which we need to do that is:\n\t\t//\n\t\t// <heading type=1>Fo[</heading><paragraph>]ar</paragraph> => <heading type=1>Fo^ar</heading>\n\t\t//\n\t\t// However, the algorithm supports also merging deeper structures (up to the depth of the shallower branch),\n\t\t// as it's hard to imagine what should actually be the default behavior. Usually, specific features will\n\t\t// want to override that behavior anyway.\n\t\tif ( !options.leaveUnmerged ) {\n\t\t\tmergeBranches( writer, startPosition, endPosition );\n\n\t\t\t// TMP this will be replaced with a postfixer.\n\t\t\t// We need to check and strip disallowed attributes in all nested nodes because after merge\n\t\t\t// some attributes could end up in a path where are disallowed.\n\t\t\t//\n\t\t\t// e.g. bold is disallowed for <H1>\n\t\t\t// <h1>Fo{o</h1><p>b}a<b>r</b><p> -> <h1>Fo{}a<b>r</b><h1> -> <h1>Fo{}ar<h1>.\n\t\t\tschema.removeDisallowedAttributes( startPosition.parent.getChildren(), writer );\n\t\t}\n\n\t\tcollapseSelectionAt( writer, selection, startPosition );\n\n\t\t// 4. Add a paragraph to set selection in it.\n\t\t// Check if a text is allowed in the new container. If not, try to create a new paragraph (if it's allowed here).\n\t\t// If autoparagraphing is off, we assume that you know what you do so we leave the selection wherever it was.\n\t\tif ( !options.doNotAutoparagraph && shouldAutoparagraph( schema, startPosition ) ) {\n\t\t\tinsertParagraph( writer, startPosition, selection );\n\t\t}\n\n\t\tstartPosition.detach();\n\t\tendPosition.detach();\n\t} );\n}\n\n// Returns the live positions for the range adjusted to span only blocks selected from the user perspective. Example:\n//\n//     <heading1>[foo</heading1>\n//     <paragraph>bar</paragraph>\n//     <heading1>]abc</heading1>  <-- this block is not considered as selected\n//\n// This is the same behavior as in Selection#getSelectedBlocks() \"special case\".\nfunction getLivePositionsForSelectedBlocks( range ) {\n\tconst model = range.root.document.model;\n\n\tconst startPosition = range.start;\n\tlet endPosition = range.end;\n\n\t// If the end of selection is at the start position of last block in the selection, then\n\t// shrink it to not include that trailing block. Note that this should happen only for not empty selection.\n\tif ( model.hasContent( range, { ignoreMarkers: true } ) ) {\n\t\tconst endBlock = getParentBlock( endPosition );\n\n\t\tif ( endBlock && endPosition.isTouching( model.createPositionAt( endBlock, 0 ) ) ) {\n\t\t\t// Create forward selection as a probe to find a valid position after excluding last block from the range.\n\t\t\tconst selection = model.createSelection( range );\n\n\t\t\t// Modify the forward selection in backward direction to shrink it and remove first position of following block from it.\n\t\t\t// This is how modifySelection works and here we are making use of it.\n\t\t\tmodel.modifySelection( selection, { direction: 'backward' } );\n\n\t\t\tconst newEndPosition = selection.getLastPosition();\n\n\t\t\t// For such a model and selection:\n\t\t\t//     <paragraph>A[</paragraph><imageBlock></imageBlock><paragraph>]B</paragraph>\n\t\t\t//\n\t\t\t// After modifySelection(), we would end up with this:\n\t\t\t//     <paragraph>A[</paragraph>]<imageBlock></imageBlock><paragraph>B</paragraph>\n\t\t\t//\n\t\t\t// So we need to check if there is no content in the skipped range (because we want to include the <imageBlock>).\n\t\t\tconst skippedRange = model.createRange( newEndPosition, endPosition );\n\n\t\t\tif ( !model.hasContent( skippedRange, { ignoreMarkers: true } ) ) {\n\t\t\t\tendPosition = newEndPosition;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn [\n\t\tLivePosition.fromPosition( startPosition, 'toPrevious' ),\n\t\tLivePosition.fromPosition( endPosition, 'toNext' )\n\t];\n}\n\n// Finds the lowest element in position's ancestors which is a block.\n// Returns null if a limit element is encountered before reaching a block element.\nfunction getParentBlock( position ) {\n\tconst element = position.parent;\n\tconst schema = element.root.document.model.schema;\n\tconst ancestors = element.getAncestors( { parentFirst: true, includeSelf: true } );\n\n\tfor ( const element of ancestors ) {\n\t\tif ( schema.isLimit( element ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tif ( schema.isBlock( element ) ) {\n\t\t\treturn element;\n\t\t}\n\t}\n}\n\n// This function is a result of reaching the Ballmer's peak for just the right amount of time.\n// Even I had troubles documenting it after a while and after reading it again I couldn't believe that it really works.\nfunction mergeBranches( writer, startPosition, endPosition ) {\n\tconst model = writer.model;\n\n\t// Verify if there is a need and possibility to merge.\n\tif ( !checkShouldMerge( writer.model.schema, startPosition, endPosition ) ) {\n\t\treturn;\n\t}\n\n\t// If the start element on the common ancestor level is empty, and the end element on the same level is not empty\n\t// then merge those to the right element so that it's properties are preserved (name, attributes).\n\t// Because of OT merging is used instead of removing elements.\n\t//\n\t// Merge left:\n\t//     <heading1>foo[</heading1>    ->  <heading1>foo[]bar</heading1>\n\t//     <paragraph>]bar</paragraph>  ->               --^\n\t//\n\t// Merge right:\n\t//     <heading1>[</heading1>       ->\n\t//     <paragraph>]bar</paragraph>  ->  <paragraph>[]bar</paragraph>\n\t//\n\t// Merge left:\n\t//     <blockQuote>                     ->  <blockQuote>\n\t//         <heading1>foo[</heading1>    ->      <heading1>foo[]bar</heading1>\n\t//         <paragraph>]bar</paragraph>  ->                   --^\n\t//     </blockQuote>                    ->  </blockQuote>\n\t//\n\t// Merge right:\n\t//     <blockQuote>                     ->  <blockQuote>\n\t//         <heading1>[</heading1>       ->\n\t//         <paragraph>]bar</paragraph>  ->      <paragraph>[]bar</paragraph>\n\t//     </blockQuote>                    ->  </blockQuote>\n\n\t// Merging should not go deeper than common ancestor.\n\tconst [ startAncestor, endAncestor ] = getAncestorsJustBelowCommonAncestor( startPosition, endPosition );\n\n\t// Branches can't be merged if one of the positions is directly inside a common ancestor.\n\t//\n\t// Example:\n\t//     <blockQuote>\n\t//         <paragraph>[foo</paragraph>]\n\t//         <table> ... </table>\n\t//     <blockQuote>\n\t//\n\tif ( !startAncestor || !endAncestor ) {\n\t\treturn;\n\t}\n\n\tif ( !model.hasContent( startAncestor, { ignoreMarkers: true } ) && model.hasContent( endAncestor, { ignoreMarkers: true } ) ) {\n\t\tmergeBranchesRight( writer, startPosition, endPosition, startAncestor.parent );\n\t} else {\n\t\tmergeBranchesLeft( writer, startPosition, endPosition, startAncestor.parent );\n\t}\n}\n\n// Merging blocks to the left (properties of the left block are preserved).\n// Simple example:\n//     <heading1>foo[</heading1>    ->  <heading1>foo[bar</heading1>]\n//     <paragraph>]bar</paragraph>  ->              --^\n//\n// Nested example:\n//     <blockQuote>                     ->  <blockQuote>\n//         <heading1>foo[</heading1>    ->      <heading1>foo[bar</heading1>\n//     </blockQuote>                    ->  </blockQuote>]    ^\n//     <blockBlock>                     ->                    |\n//         <paragraph>]bar</paragraph>  ->                 ---\n//     </blockBlock>                    ->\n//\nfunction mergeBranchesLeft( writer, startPosition, endPosition, commonAncestor ) {\n\tconst startElement = startPosition.parent;\n\tconst endElement = endPosition.parent;\n\n\t// Merging reached the common ancestor element, stop here.\n\tif ( startElement == commonAncestor || endElement == commonAncestor ) {\n\t\treturn;\n\t}\n\n\t// Remember next positions to merge in next recursive step (also used as modification points pointers).\n\tstartPosition = writer.createPositionAfter( startElement );\n\tendPosition = writer.createPositionBefore( endElement );\n\n\t// Move endElement just after startElement if they aren't siblings.\n\tif ( !endPosition.isEqual( startPosition ) ) {\n\t\t//\n\t\t//     <blockQuote>                     ->  <blockQuote>\n\t\t//         <heading1>foo[</heading1>    ->      <heading1>foo</heading1>[<paragraph>bar</paragraph>\n\t\t//     </blockQuote>                    ->  </blockQuote>                ^\n\t\t//     <blockBlock>                     ->  <blockBlock>                 |\n\t\t//         <paragraph>]bar</paragraph>  ->      ]                     ---\n\t\t//     </blockBlock>                    ->  </blockBlock>\n\t\t//\n\t\twriter.insert( endElement, startPosition );\n\t}\n\n\t// Merge two siblings (nodes on sides of startPosition):\n\t//\n\t//     <blockQuote>                                             ->  <blockQuote>\n\t//         <heading1>foo</heading1>[<paragraph>bar</paragraph>  ->      <heading1>foo[bar</heading1>\n\t//     </blockQuote>                                            ->  </blockQuote>\n\t//     <blockBlock>                                             ->  <blockBlock>\n\t//         ]                                                    ->      ]\n\t//     </blockBlock>                                            ->  </blockBlock>\n\t//\n\t// Or in simple case (without moving elements in above if):\n\t//     <heading1>foo</heading1>[<paragraph>bar</paragraph>]  ->  <heading1>foo[bar</heading1>]\n\t//\n\twriter.merge( startPosition );\n\n\t// Remove empty end ancestors:\n\t//\n\t//     <blockQuote>                      ->  <blockQuote>\n\t//         <heading1>foo[bar</heading1>  ->      <heading1>foo[bar</heading1>\n\t//     </blockQuote>                     ->  </blockQuote>\n\t//     <blockBlock>                      ->\n\t//         ]                             ->  ]\n\t//     </blockBlock>                     ->\n\t//\n\twhile ( endPosition.parent.isEmpty ) {\n\t\tconst parentToRemove = endPosition.parent;\n\n\t\tendPosition = writer.createPositionBefore( parentToRemove );\n\n\t\twriter.remove( parentToRemove );\n\t}\n\n\t// Verify if there is a need and possibility to merge next level.\n\tif ( !checkShouldMerge( writer.model.schema, startPosition, endPosition ) ) {\n\t\treturn;\n\t}\n\n\t// Continue merging next level (blockQuote with blockBlock in the examples above if it would not be empty and got removed).\n\tmergeBranchesLeft( writer, startPosition, endPosition, commonAncestor );\n}\n\n// Merging blocks to the right (properties of the right block are preserved).\n// Simple example:\n//     <heading1>foo[</heading1>    ->            --v\n//     <paragraph>]bar</paragraph>  ->  [<paragraph>foo]bar</paragraph>\n//\n// Nested example:\n//     <blockQuote>                     ->\n//         <heading1>foo[</heading1>    ->              ---\n//     </blockQuote>                    ->                 |\n//     <blockBlock>                     ->  [<blockBlock>  v\n//         <paragraph>]bar</paragraph>  ->      <paragraph>foo]bar</paragraph>\n//     </blockBlock>                    ->  </blockBlock>\n//\nfunction mergeBranchesRight( writer, startPosition, endPosition, commonAncestor ) {\n\tconst startElement = startPosition.parent;\n\tconst endElement = endPosition.parent;\n\n\t// Merging reached the common ancestor element, stop here.\n\tif ( startElement == commonAncestor || endElement == commonAncestor ) {\n\t\treturn;\n\t}\n\n\t// Remember next positions to merge in next recursive step (also used as modification points pointers).\n\tstartPosition = writer.createPositionAfter( startElement );\n\tendPosition = writer.createPositionBefore( endElement );\n\n\t// Move startElement just before endElement if they aren't siblings.\n\tif ( !endPosition.isEqual( startPosition ) ) {\n\t\t//\n\t\t//     <blockQuote>                     ->  <blockQuote>\n\t\t//         <heading1>foo[</heading1>    ->      [                   ---\n\t\t//     </blockQuote>                    ->  </blockQuote>              |\n\t\t//     <blockBlock>                     ->  <blockBlock>               v\n\t\t//         <paragraph>]bar</paragraph>  ->      <heading1>foo</heading1>]<paragraph>bar</paragraph>\n\t\t//     </blockBlock>                    ->  </blockBlock>\n\t\t//\n\t\twriter.insert( startElement, endPosition );\n\t}\n\n\t// Remove empty end ancestors:\n\t//\n\t//     <blockQuote>                                             ->\n\t//         [                                                    ->  [\n\t//     </blockQuote>                                            ->\n\t//     <blockBlock>                                             ->  <blockBlock>\n\t//         <heading1>foo</heading1>]<paragraph>bar</paragraph>  ->      <heading1>foo</heading1>]<paragraph>bar</paragraph>\n\t//     </blockBlock>                                            ->  </blockBlock>\n\t//\n\twhile ( startPosition.parent.isEmpty ) {\n\t\tconst parentToRemove = startPosition.parent;\n\n\t\tstartPosition = writer.createPositionBefore( parentToRemove );\n\n\t\twriter.remove( parentToRemove );\n\t}\n\n\t// Update endPosition after inserting and removing elements.\n\tendPosition = writer.createPositionBefore( endElement );\n\n\t// Merge right two siblings (nodes on sides of endPosition):\n\t//                                                              ->\n\t//     [                                                        ->  [\n\t//                                                              ->\n\t//     <blockBlock>                                             ->  <blockBlock>\n\t//         <heading1>foo</heading1>]<paragraph>bar</paragraph>  ->      <paragraph>foo]bar</paragraph>\n\t//     </blockBlock>                                            ->  </blockBlock>\n\t//\n\t// Or in simple case (without moving elements in above if):\n\t//     [<heading1>foo</heading1>]<paragraph>bar</paragraph>  ->  [<heading1>foo]bar</heading1>\n\t//\n\tmergeRight( writer, endPosition );\n\n\t// Verify if there is a need and possibility to merge next level.\n\tif ( !checkShouldMerge( writer.model.schema, startPosition, endPosition ) ) {\n\t\treturn;\n\t}\n\n\t// Continue merging next level (blockQuote with blockBlock in the examples above if it would not be empty and got removed).\n\tmergeBranchesRight( writer, startPosition, endPosition, commonAncestor );\n}\n\n// There is no right merge operation so we need to simulate it.\nfunction mergeRight( writer, position ) {\n\tconst startElement = position.nodeBefore;\n\tconst endElement = position.nodeAfter;\n\n\tif ( startElement.name != endElement.name ) {\n\t\twriter.rename( startElement, endElement.name );\n\t}\n\n\twriter.clearAttributes( startElement );\n\twriter.setAttributes( Object.fromEntries( endElement.getAttributes() ), startElement );\n\n\twriter.merge( position );\n}\n\n// Verifies if merging is needed and possible. It's not needed if both positions are in the same element\n// and it's not possible if some element is a limit or the range crosses a limit element.\nfunction checkShouldMerge( schema, startPosition, endPosition ) {\n\tconst startElement = startPosition.parent;\n\tconst endElement = endPosition.parent;\n\n\t// If both positions ended up in the same parent, then there's nothing more to merge:\n\t// <$root><p>x[</p><p>]y</p></$root> => <$root><p>xy</p>[]</$root>\n\tif ( startElement == endElement ) {\n\t\treturn false;\n\t}\n\n\t// If one of the positions is a limit element, then there's nothing to merge because we don't want to cross the limit boundaries.\n\tif ( schema.isLimit( startElement ) || schema.isLimit( endElement ) ) {\n\t\treturn false;\n\t}\n\n\t// Check if operations we'll need to do won't need to cross object or limit boundaries.\n\t// E.g., we can't merge endElement into startElement in this case:\n\t// <limit><startElement>x[</startElement></limit><endElement>]</endElement>\n\treturn isCrossingLimitElement( startPosition, endPosition, schema );\n}\n\n// Returns the elements that are the ancestors of the provided positions that are direct children of the common ancestor.\nfunction getAncestorsJustBelowCommonAncestor( positionA, positionB ) {\n\tconst ancestorsA = positionA.getAncestors();\n\tconst ancestorsB = positionB.getAncestors();\n\n\tlet i = 0;\n\n\twhile ( ancestorsA[ i ] && ancestorsA[ i ] == ancestorsB[ i ] ) {\n\t\ti++;\n\t}\n\n\treturn [ ancestorsA[ i ], ancestorsB[ i ] ];\n}\n\nfunction shouldAutoparagraph( schema, position ) {\n\tconst isTextAllowed = schema.checkChild( position, '$text' );\n\tconst isParagraphAllowed = schema.checkChild( position, 'paragraph' );\n\n\treturn !isTextAllowed && isParagraphAllowed;\n}\n\n// Check if parents of two positions can be merged by checking if there are no limit/object\n// boundaries between those two positions.\n//\n// E.g. in <bQ><p>x[]</p></bQ><widget><caption>{}</caption></widget>\n// we'll check <p>, <bQ>, <widget> and <caption>.\n// Usually, widget and caption are marked as objects/limits in the schema, so in this case merging will be blocked.\nfunction isCrossingLimitElement( leftPos, rightPos, schema ) {\n\tconst rangeToCheck = new Range( leftPos, rightPos );\n\n\tfor ( const value of rangeToCheck.getWalker() ) {\n\t\tif ( schema.isLimit( value.item ) ) {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\treturn true;\n}\n\nfunction insertParagraph( writer, position, selection ) {\n\tconst paragraph = writer.createElement( 'paragraph' );\n\n\twriter.insert( paragraph, position );\n\n\tcollapseSelectionAt( writer, selection, writer.createPositionAt( paragraph, 0 ) );\n}\n\nfunction replaceEntireContentWithParagraph( writer, selection ) {\n\tconst limitElement = writer.model.schema.getLimitElement( selection );\n\n\twriter.remove( writer.createRangeIn( limitElement ) );\n\tinsertParagraph( writer, writer.createPositionAt( limitElement, 0 ), selection );\n}\n\n// We want to replace the entire content with a paragraph when:\n// * the entire content is selected,\n// * selection contains at least two elements,\n// * whether the paragraph is allowed in schema in the common ancestor.\nfunction shouldEntireContentBeReplacedWithParagraph( schema, selection ) {\n\tconst limitElement = schema.getLimitElement( selection );\n\n\tif ( !selection.containsEntireContent( limitElement ) ) {\n\t\treturn false;\n\t}\n\n\tconst range = selection.getFirstRange();\n\n\tif ( range.start.parent == range.end.parent ) {\n\t\treturn false;\n\t}\n\n\treturn schema.checkChild( limitElement, 'paragraph' );\n}\n\n// Helper function that sets the selection. Depending whether given `selection` is a document selection or not,\n// uses a different method to set it.\nfunction collapseSelectionAt( writer, selection, positionOrRange ) {\n\tif ( selection instanceof DocumentSelection ) {\n\t\twriter.setSelection( positionOrRange );\n\t} else {\n\t\tselection.setTo( positionOrRange );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/modifyselection\n */\n\nimport Position from '../position';\nimport TreeWalker from '../treewalker';\nimport Range from '../range';\nimport { isInsideSurrogatePair, isInsideCombinedSymbol } from '@ckeditor/ckeditor5-utils/src/unicode';\nimport DocumentSelection from '../documentselection';\n\nconst wordBoundaryCharacters = ' ,.?!:;\"-()';\n\n/**\n * Modifies the selection. Currently, the supported modifications are:\n *\n * * Extending. The selection focus is moved in the specified `options.direction` with a step specified in `options.unit`.\n * Possible values for `unit` are:\n *  * `'character'` (default) - moves selection by one user-perceived character. In most cases this means moving by one\n *  character in `String` sense. However, unicode also defines \"combing marks\". These are special symbols, that combines\n *  with a symbol before it (\"base character\") to create one user-perceived character. For example, `q̣̇` is a normal\n *  letter `q` with two \"combining marks\": upper dot (`Ux0307`) and lower dot (`Ux0323`). For most actions, i.e. extending\n *  selection by one position, it is correct to include both \"base character\" and all of it's \"combining marks\". That is\n *  why `'character'` value is most natural and common method of modifying selection.\n *  * `'codePoint'` - moves selection by one unicode code point. In contrary to, `'character'` unit, this will insert\n *  selection between \"base character\" and \"combining mark\", because \"combining marks\" have their own unicode code points.\n *  However, for technical reasons, unicode code points with values above `UxFFFF` are represented in native `String` by\n *  two characters, called \"surrogate pairs\". Halves of \"surrogate pairs\" have a meaning only when placed next to each other.\n *  For example `𨭎` is represented in `String` by `\\uD862\\uDF4E`. Both `\\uD862` and `\\uDF4E` do not have any meaning\n *  outside the pair (are rendered as ? when alone). Position between them would be incorrect. In this case, selection\n *  extension will include whole \"surrogate pair\".\n *  * `'word'` - moves selection by a whole word.\n *\n * **Note:** if you extend a forward selection in a backward direction you will in fact shrink it.\n *\n * **Note:** Use {@link module:engine/model/model~Model#modifySelection} instead of this function.\n * This function is only exposed to be reusable in algorithms\n * which change the {@link module:engine/model/model~Model#modifySelection}\n * method's behavior.\n *\n * @param {module:engine/model/model~Model} model The model in context of which\n * the selection modification should be performed.\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * The selection to modify.\n * @param {Object} [options]\n * @param {'forward'|'backward'} [options.direction='forward'] The direction in which the selection should be modified.\n * @param {'character'|'codePoint'|'word'} [options.unit='character'] The unit by which selection should be modified.\n */\nexport default function modifySelection( model, selection, options = {} ) {\n\tconst schema = model.schema;\n\tconst isForward = options.direction != 'backward';\n\tconst unit = options.unit ? options.unit : 'character';\n\n\tconst focus = selection.focus;\n\n\tconst walker = new TreeWalker( {\n\t\tboundaries: getSearchRange( focus, isForward ),\n\t\tsingleCharacters: true,\n\t\tdirection: isForward ? 'forward' : 'backward'\n\t} );\n\n\tconst data = { walker, schema, isForward, unit };\n\n\tlet next;\n\n\twhile ( ( next = walker.next() ) ) {\n\t\tif ( next.done ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst position = tryExtendingTo( data, next.value );\n\n\t\tif ( position ) {\n\t\t\tif ( selection instanceof DocumentSelection ) {\n\t\t\t\tmodel.change( writer => {\n\t\t\t\t\twriter.setSelectionFocus( position );\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\tselection.setFocus( position );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\t}\n}\n\n// Checks whether the selection can be extended to the the walker's next value (next position).\n// @param {{ walker, unit, isForward, schema }} data\n// @param {module:engine/view/treewalker~TreeWalkerValue} value\nfunction tryExtendingTo( data, value ) {\n\tconst { isForward, walker, unit, schema } = data;\n\tconst { type, item, nextPosition } = value;\n\n\t// If found text, we can certainly put the focus in it. Let's just find a correct position\n\t// based on the unit.\n\tif ( type == 'text' ) {\n\t\tif ( data.unit === 'word' ) {\n\t\t\treturn getCorrectWordBreakPosition( walker, isForward );\n\t\t}\n\n\t\treturn getCorrectPosition( walker, unit, isForward );\n\t}\n\n\t// Entering an element.\n\tif ( type == ( isForward ? 'elementStart' : 'elementEnd' ) ) {\n\t\t// If it's a selectable, we can select it now.\n\t\tif ( schema.isSelectable( item ) ) {\n\t\t\treturn Position._createAt( item, isForward ? 'after' : 'before' );\n\t\t}\n\n\t\t// If text allowed on this position, extend to this place.\n\t\tif ( schema.checkChild( nextPosition, '$text' ) ) {\n\t\t\treturn nextPosition;\n\t\t}\n\t}\n\t// Leaving an element.\n\telse {\n\t\t// If leaving a limit element, stop.\n\t\tif ( schema.isLimit( item ) ) {\n\t\t\t// NOTE: Fast-forward the walker until the end.\n\t\t\twalker.skip( () => true );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// If text allowed on this position, extend to this place.\n\t\tif ( schema.checkChild( nextPosition, '$text' ) ) {\n\t\t\treturn nextPosition;\n\t\t}\n\t}\n}\n\n// Finds a correct position by walking in a text node and checking whether selection can be extended to given position\n// or should be extended further.\n//\n// @param {module:engine/model/treewalker~TreeWalker} walker\n// @param {String} unit The unit by which selection should be modified.\nfunction getCorrectPosition( walker, unit ) {\n\tconst textNode = walker.position.textNode;\n\n\tif ( textNode ) {\n\t\tconst data = textNode.data;\n\t\tlet offset = walker.position.offset - textNode.startOffset;\n\n\t\twhile ( isInsideSurrogatePair( data, offset ) || ( unit == 'character' && isInsideCombinedSymbol( data, offset ) ) ) {\n\t\t\twalker.next();\n\n\t\t\toffset = walker.position.offset - textNode.startOffset;\n\t\t}\n\t}\n\n\treturn walker.position;\n}\n\n// Finds a correct position of a word break by walking in a text node and checking whether selection can be extended to given position\n// or should be extended further.\n//\n// @param {module:engine/model/treewalker~TreeWalker} walker\n// @param {Boolean} isForward Is the direction in which the selection should be modified is forward.\nfunction getCorrectWordBreakPosition( walker, isForward ) {\n\tlet textNode = walker.position.textNode;\n\n\tif ( textNode ) {\n\t\tlet offset = walker.position.offset - textNode.startOffset;\n\n\t\twhile ( !isAtWordBoundary( textNode.data, offset, isForward ) && !isAtNodeBoundary( textNode, offset, isForward ) ) {\n\t\t\twalker.next();\n\n\t\t\t// Check of adjacent text nodes with different attributes (like BOLD).\n\t\t\t// Example          : 'foofoo []bar<$text bold=\"true\">bar</$text> bazbaz'\n\t\t\t// should expand to : 'foofoo [bar<$text bold=\"true\">bar</$text>] bazbaz'.\n\t\t\tconst nextNode = isForward ? walker.position.nodeAfter : walker.position.nodeBefore;\n\n\t\t\t// Scan only text nodes. Ignore inline elements (like `<softBreak>`).\n\t\t\tif ( nextNode && nextNode.is( '$text' ) ) {\n\t\t\t\t// Check boundary char of an adjacent text node.\n\t\t\t\tconst boundaryChar = nextNode.data.charAt( isForward ? 0 : nextNode.data.length - 1 );\n\n\t\t\t\t// Go to the next node if the character at the boundary of that node belongs to the same word.\n\t\t\t\tif ( !wordBoundaryCharacters.includes( boundaryChar ) ) {\n\t\t\t\t\t// If adjacent text node belongs to the same word go to it & reset values.\n\t\t\t\t\twalker.next();\n\n\t\t\t\t\ttextNode = walker.position.textNode;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\toffset = walker.position.offset - textNode.startOffset;\n\t\t}\n\t}\n\n\treturn walker.position;\n}\n\nfunction getSearchRange( start, isForward ) {\n\tconst root = start.root;\n\tconst searchEnd = Position._createAt( root, isForward ? 'end' : 0 );\n\n\tif ( isForward ) {\n\t\treturn new Range( start, searchEnd );\n\t} else {\n\t\treturn new Range( searchEnd, start );\n\t}\n}\n\n// Checks if selection is on word boundary.\n//\n// @param {String} data The text node value to investigate.\n// @param {Number} offset Position offset.\n// @param {Boolean} isForward Is the direction in which the selection should be modified is forward.\nfunction isAtWordBoundary( data, offset, isForward ) {\n\t// The offset to check depends on direction.\n\tconst offsetToCheck = offset + ( isForward ? 0 : -1 );\n\n\treturn wordBoundaryCharacters.includes( data.charAt( offsetToCheck ) );\n}\n\n// Checks if selection is on node boundary.\n//\n// @param {module:engine/model/text~Text} textNode The text node to investigate.\n// @param {Number} offset Position offset.\n// @param {Boolean} isForward Is the direction in which the selection should be modified is forward.\nfunction isAtNodeBoundary( textNode, offset, isForward ) {\n\treturn offset === ( isForward ? textNode.endOffset : 0 );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/getselectedcontent\n */\n\n/**\n * Gets a clone of the selected content.\n *\n * For example, for the following selection:\n *\n * ```html\n * <p>x</p><quote><p>y</p><h>fir[st</h></quote><p>se]cond</p><p>z</p>\n * ```\n *\n * It will return a document fragment with such a content:\n *\n * ```html\n * <quote><h>st</h></quote><p>se</p>\n * ```\n *\n * @param {module:engine/model/model~Model} model The model in context of which\n * the selection modification should be performed.\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * The selection of which content will be returned.\n * @returns {module:engine/model/documentfragment~DocumentFragment}\n */\nexport default function getSelectedContent( model, selection ) {\n\treturn model.change( writer => {\n\t\tconst frag = writer.createDocumentFragment();\n\t\tconst range = selection.getFirstRange();\n\n\t\tif ( !range || range.isCollapsed ) {\n\t\t\treturn frag;\n\t\t}\n\n\t\tconst root = range.start.root;\n\t\tconst commonPath = range.start.getCommonPath( range.end );\n\t\tconst commonParent = root.getNodeByPath( commonPath );\n\n\t\t// ## 1st step\n\t\t//\n\t\t// First, we'll clone a fragment represented by a minimal flat range\n\t\t// containing the original range to be cloned.\n\t\t// E.g. let's consider such a range:\n\t\t//\n\t\t// <p>x</p><quote><p>y</p><h>fir[st</h></quote><p>se]cond</p><p>z</p>\n\t\t//\n\t\t// A minimal flat range containing this one is:\n\t\t//\n\t\t// <p>x</p>[<quote><p>y</p><h>first</h></quote><p>second</p>]<p>z</p>\n\t\t//\n\t\t// We can easily clone this structure, preserving e.g. the <quote> element.\n\t\tlet flatSubtreeRange;\n\n\t\tif ( range.start.parent == range.end.parent ) {\n\t\t\t// The original range is flat, so take it.\n\t\t\tflatSubtreeRange = range;\n\t\t} else {\n\t\t\tflatSubtreeRange = writer.createRange(\n\t\t\t\twriter.createPositionAt( commonParent, range.start.path[ commonPath.length ] ),\n\t\t\t\twriter.createPositionAt( commonParent, range.end.path[ commonPath.length ] + 1 )\n\t\t\t);\n\t\t}\n\n\t\tconst howMany = flatSubtreeRange.end.offset - flatSubtreeRange.start.offset;\n\n\t\t// Clone the whole contents.\n\t\tfor ( const item of flatSubtreeRange.getItems( { shallow: true } ) ) {\n\t\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\t\twriter.appendText( item.data, item.getAttributes(), frag );\n\t\t\t} else {\n\t\t\t\twriter.append( writer.cloneElement( item, true ), frag );\n\t\t\t}\n\t\t}\n\n\t\t// ## 2nd step\n\t\t//\n\t\t// If the original range wasn't flat, then we need to remove the excess nodes from the both ends of the cloned fragment.\n\t\t//\n\t\t// For example, for the range shown in the 1st step comment, we need to remove these pieces:\n\t\t//\n\t\t// <quote>[<p>y</p>]<h>[fir]st</h></quote><p>se[cond]</p>\n\t\t//\n\t\t// So this will be the final copied content:\n\t\t//\n\t\t// <quote><h>st</h></quote><p>se</p>\n\t\t//\n\t\t// In order to do that, we remove content from these two ranges:\n\t\t//\n\t\t// [<quote><p>y</p><h>fir]st</h></quote><p>se[cond</p>]\n\t\tif ( flatSubtreeRange != range ) {\n\t\t\t// Find the position of the original range in the cloned fragment.\n\t\t\tconst newRange = range._getTransformedByMove( flatSubtreeRange.start, writer.createPositionAt( frag, 0 ), howMany )[ 0 ];\n\n\t\t\tconst leftExcessRange = writer.createRange( writer.createPositionAt( frag, 0 ), newRange.start );\n\t\t\tconst rightExcessRange = writer.createRange( newRange.end, writer.createPositionAt( frag, 'end' ) );\n\n\t\t\tremoveRangeContent( rightExcessRange, writer );\n\t\t\tremoveRangeContent( leftExcessRange, writer );\n\t\t}\n\n\t\treturn frag;\n\t} );\n}\n\n// After https://github.com/ckeditor/ckeditor5-engine/issues/690 is fixed,\n// this function will, most likely, be able to rewritten using getMinimalFlatRanges().\nfunction removeRangeContent( range, writer ) {\n\tconst parentsToCheck = [];\n\n\tArray.from( range.getItems( { direction: 'backward' } ) )\n\t\t// We should better store ranges because text proxies will lose integrity\n\t\t// with the text nodes when we'll start removing content.\n\t\t.map( item => writer.createRangeOn( item ) )\n\t\t// Filter only these items which are fully contained in the passed range.\n\t\t//\n\t\t// E.g. for the following range: [<quote><p>y</p><h>fir]st</h>\n\t\t// the walker will return the entire <h> element, when only the \"fir\" item inside it is fully contained.\n\t\t.filter( itemRange => {\n\t\t\t// We should be able to use Range.containsRange, but https://github.com/ckeditor/ckeditor5-engine/issues/691.\n\t\t\tconst contained =\n\t\t\t\t( itemRange.start.isAfter( range.start ) || itemRange.start.isEqual( range.start ) ) &&\n\t\t\t\t( itemRange.end.isBefore( range.end ) || itemRange.end.isEqual( range.end ) );\n\n\t\t\treturn contained;\n\t\t} )\n\t\t.forEach( itemRange => {\n\t\t\tparentsToCheck.push( itemRange.start.parent );\n\n\t\t\twriter.remove( itemRange );\n\t\t} );\n\n\t// Remove ancestors of the removed items if they turned to be empty now\n\t// (their whole content was contained in the range).\n\tparentsToCheck.forEach( parentToCheck => {\n\t\tlet parent = parentToCheck;\n\n\t\twhile ( parent.parent && parent.isEmpty ) {\n\t\t\tconst removeRange = writer.createRangeOn( parent );\n\n\t\t\tparent = parent.parent;\n\n\t\t\twriter.remove( removeRange );\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/utils/selection-post-fixer\n */\n\nimport Range from '../range';\nimport Position from '../position';\n\n/**\n * Injects selection post-fixer to the model.\n *\n * The role of the selection post-fixer is to ensure that the selection is in a correct place\n * after a {@link module:engine/model/model~Model#change `change()`} block was executed.\n *\n * The correct position means that:\n *\n * * All collapsed selection ranges are in a place where the {@link module:engine/model/schema~Schema}\n * allows a `$text`.\n * * None of the selection's non-collapsed ranges crosses a {@link module:engine/model/schema~Schema#isLimit limit element}\n * boundary (a range must be rooted within one limit element).\n * * Only {@link module:engine/model/schema~Schema#isSelectable selectable elements} can be selected from the outside\n * (e.g. `[<paragraph>foo</paragraph>]` is invalid). This rule applies independently to both selection ends, so this\n * selection is correct: `<paragraph>f[oo</paragraph><imageBlock></imageBlock>]`.\n *\n * If the position is not correct, the post-fixer will automatically correct it.\n *\n * ## Fixing a non-collapsed selection\n *\n * See as an example a selection that starts in a P1 element and ends inside the text of a TD element\n * (`[` and `]` are range boundaries and `(l)` denotes an element defined as `isLimit=true`):\n *\n *\t\troot\n *\t\t |- element P1\n *\t\t |   |- \"foo\"                                      root\n *\t\t |- element TABLE (l)                   P1         TABLE             P2\n *\t\t |   |- element TR (l)                 f o[o     TR      TR         b a r\n *\t\t |   |   |- element TD (l)                       TD      TD\n *\t\t |   |       |- \"aaa\"                          a]a a    b b b\n *\t\t |   |- element TR (l)\n *\t\t |   |   |- element TD (l)                           ||\n *\t\t |   |       |- \"bbb\"                                ||\n *\t\t |- element P2                                       VV\n *\t\t |   |- \"bar\"\n *\t\t                                                   root\n *\t\t                                        P1         TABLE]            P2\n *\t\t                                       f o[o     TR      TR         b a r\n *\t\t                                                 TD      TD\n *\t\t                                               a a a    b b b\n *\n * In the example above, the TABLE, TR and TD are defined as `isLimit=true` in the schema. The range which is not contained within\n * a single limit element must be expanded to select the outermost limit element. The range end is inside the text node of the TD element.\n * As the TD element is a child of the TR and TABLE elements, where both are defined as `isLimit=true` in the schema, the range must be\n * expanded to select the whole TABLE element.\n *\n * **Note** If the selection contains multiple ranges, the method returns a minimal set of ranges that are not intersecting after expanding\n * them to select `isLimit=true` elements.\n *\n * @param {module:engine/model/model~Model} model\n */\nexport function injectSelectionPostFixer( model ) {\n\tmodel.document.registerPostFixer( writer => selectionPostFixer( writer, model ) );\n}\n\n// The selection post-fixer.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/model~Model} model\nfunction selectionPostFixer( writer, model ) {\n\tconst selection = model.document.selection;\n\tconst schema = model.schema;\n\n\tconst ranges = [];\n\n\tlet wasFixed = false;\n\n\tfor ( const modelRange of selection.getRanges() ) {\n\t\t// Go through all ranges in selection and try fixing each of them.\n\t\t// Those ranges might overlap but will be corrected later.\n\t\tconst correctedRange = tryFixingRange( modelRange, schema );\n\n\t\t// \"Selection fixing\" algorithms sometimes get lost. In consequence, it may happen\n\t\t// that a new range is returned but, in fact, it has the same positions as the original\n\t\t// range anyway. If this range is not discarded, a new selection will be set and that,\n\t\t// for instance, would destroy the selection attributes. Let's make sure that the post-fixer\n\t\t// actually worked first before setting a new selection.\n\t\t//\n\t\t// https://github.com/ckeditor/ckeditor5/issues/6693\n\t\tif ( correctedRange && !correctedRange.isEqual( modelRange ) ) {\n\t\t\tranges.push( correctedRange );\n\t\t\twasFixed = true;\n\t\t} else {\n\t\t\tranges.push( modelRange );\n\t\t}\n\t}\n\n\t// If any of ranges were corrected update the selection.\n\tif ( wasFixed ) {\n\t\twriter.setSelection( mergeIntersectingRanges( ranges ), { backward: selection.isBackward } );\n\t}\n}\n\n// Tries fixing a range if it's incorrect.\n//\n// @param {module:engine/model/range~Range} range\n// @param {module:engine/model/schema~Schema} schema\n// @returns {module:engine/model/range~Range|null} Returns fixed range or null if range is valid.\nfunction tryFixingRange( range, schema ) {\n\tif ( range.isCollapsed ) {\n\t\treturn tryFixingCollapsedRange( range, schema );\n\t}\n\n\treturn tryFixingNonCollapsedRage( range, schema );\n}\n\n// Tries to fix collapsed ranges.\n//\n// * Fixes situation when a range is in a place where $text is not allowed\n//\n// @param {module:engine/model/range~Range} range Collapsed range to fix.\n// @param {module:engine/model/schema~Schema} schema\n// @returns {module:engine/model/range~Range|null} Returns fixed range or null if range is valid.\nfunction tryFixingCollapsedRange( range, schema ) {\n\tconst originalPosition = range.start;\n\n\tconst nearestSelectionRange = schema.getNearestSelectionRange( originalPosition );\n\n\t// This might be null, i.e. when the editor data is empty or the selection is inside a limit element\n\t// that doesn't allow text inside.\n\t// In the first case, there is no need to fix the selection range.\n\t// In the second, let's go up to the outer selectable element\n\tif ( !nearestSelectionRange ) {\n\t\tconst ancestorObject = originalPosition.getAncestors().reverse().find( item => schema.isObject( item ) );\n\n\t\tif ( ancestorObject ) {\n\t\t\treturn Range._createOn( ancestorObject );\n\t\t}\n\n\t\treturn null;\n\t}\n\n\tif ( !nearestSelectionRange.isCollapsed ) {\n\t\treturn nearestSelectionRange;\n\t}\n\n\tconst fixedPosition = nearestSelectionRange.start;\n\n\t// Fixed position is the same as original - no need to return corrected range.\n\tif ( originalPosition.isEqual( fixedPosition ) ) {\n\t\treturn null;\n\t}\n\n\treturn new Range( fixedPosition );\n}\n\n// Tries to fix an expanded range.\n//\n// @param {module:engine/model/range~Range} range Expanded range to fix.\n// @param {module:engine/model/schema~Schema} schema\n// @returns {module:engine/model/range~Range|null} Returns fixed range or null if range is valid.\nfunction tryFixingNonCollapsedRage( range, schema ) {\n\tconst { start, end } = range;\n\n\tconst isTextAllowedOnStart = schema.checkChild( start, '$text' );\n\tconst isTextAllowedOnEnd = schema.checkChild( end, '$text' );\n\n\tconst startLimitElement = schema.getLimitElement( start );\n\tconst endLimitElement = schema.getLimitElement( end );\n\n\t// Ranges which both end are inside the same limit element (or root) might needs only minor fix.\n\tif ( startLimitElement === endLimitElement ) {\n\t\t// Range is valid when both position allows to place a text:\n\t\t// - <block>f[oobarba]z</block>\n\t\t// This would be \"fixed\" by a next check but as it will be the same it's better to return null so the selection stays the same.\n\t\tif ( isTextAllowedOnStart && isTextAllowedOnEnd ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// Range that is on non-limit element (or is partially) must be fixed so it is placed inside the block around $text:\n\t\t// - [<block>foo</block>]    ->    <block>[foo]</block>\n\t\t// - [<block>foo]</block>    ->    <block>[foo]</block>\n\t\t// - <block>f[oo</block>]    ->    <block>f[oo]</block>\n\t\t// - [<block>foo</block><selectable></selectable>]    ->    <block>[foo</block><selectable></selectable>]\n\t\tif ( checkSelectionOnNonLimitElements( start, end, schema ) ) {\n\t\t\tconst isStartBeforeSelectable = start.nodeAfter && schema.isSelectable( start.nodeAfter );\n\t\t\tconst fixedStart = isStartBeforeSelectable ? null : schema.getNearestSelectionRange( start, 'forward' );\n\n\t\t\tconst isEndAfterSelectable = end.nodeBefore && schema.isSelectable( end.nodeBefore );\n\t\t\tconst fixedEnd = isEndAfterSelectable ? null : schema.getNearestSelectionRange( end, 'backward' );\n\n\t\t\t// The schema.getNearestSelectionRange might return null - if that happens use original position.\n\t\t\tconst rangeStart = fixedStart ? fixedStart.start : start;\n\t\t\tconst rangeEnd = fixedEnd ? fixedEnd.end : end;\n\n\t\t\treturn new Range( rangeStart, rangeEnd );\n\t\t}\n\t}\n\n\tconst isStartInLimit = startLimitElement && !startLimitElement.is( 'rootElement' );\n\tconst isEndInLimit = endLimitElement && !endLimitElement.is( 'rootElement' );\n\n\t// At this point we eliminated valid positions on text nodes so if one of range positions is placed inside a limit element\n\t// then the range crossed limit element boundaries and needs to be fixed.\n\tif ( isStartInLimit || isEndInLimit ) {\n\t\tconst bothInSameParent = ( start.nodeAfter && end.nodeBefore ) && start.nodeAfter.parent === end.nodeBefore.parent;\n\n\t\tconst expandStart = isStartInLimit && ( !bothInSameParent || !isSelectable( start.nodeAfter, schema ) );\n\t\tconst expandEnd = isEndInLimit && ( !bothInSameParent || !isSelectable( end.nodeBefore, schema ) );\n\n\t\t// Although we've already found limit element on start/end positions we must find the outer-most limit element.\n\t\t// as limit elements might be nested directly inside (ie table > tableRow > tableCell).\n\t\tlet fixedStart = start;\n\t\tlet fixedEnd = end;\n\n\t\tif ( expandStart ) {\n\t\t\tfixedStart = Position._createBefore( findOutermostLimitAncestor( startLimitElement, schema ) );\n\t\t}\n\n\t\tif ( expandEnd ) {\n\t\t\tfixedEnd = Position._createAfter( findOutermostLimitAncestor( endLimitElement, schema ) );\n\t\t}\n\n\t\treturn new Range( fixedStart, fixedEnd );\n\t}\n\n\t// Range was not fixed at this point so it is valid - ie it was placed around limit element already.\n\treturn null;\n}\n\n// Finds the outer-most ancestor.\n//\n// @param {module:engine/model/node~Node} startingNode\n// @param {module:engine/model/schema~Schema} schema\n// @param {String} expandToDirection Direction of expansion - either 'start' or 'end' of the range.\n// @returns {module:engine/model/node~Node}\nfunction findOutermostLimitAncestor( startingNode, schema ) {\n\tlet isLimitNode = startingNode;\n\tlet parent = isLimitNode;\n\n\t// Find outer most isLimit block as such blocks might be nested (ie. in tables).\n\twhile ( schema.isLimit( parent ) && parent.parent ) {\n\t\tisLimitNode = parent;\n\t\tparent = parent.parent;\n\t}\n\n\treturn isLimitNode;\n}\n\n// Checks whether any of range boundaries is placed around non-limit elements.\n//\n// @param {module:engine/model/position~Position} start\n// @param {module:engine/model/position~Position} end\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction checkSelectionOnNonLimitElements( start, end, schema ) {\n\tconst startIsOnBlock = ( start.nodeAfter && !schema.isLimit( start.nodeAfter ) ) || schema.checkChild( start, '$text' );\n\tconst endIsOnBlock = ( end.nodeBefore && !schema.isLimit( end.nodeBefore ) ) || schema.checkChild( end, '$text' );\n\n\t// We should fix such selection when one of those nodes needs fixing.\n\treturn startIsOnBlock || endIsOnBlock;\n}\n\n/**\n * Returns a minimal non-intersecting array of ranges without duplicates.\n *\n * @param {Array.<module:engine/model/range~Range>} Ranges to merge.\n * @returns {Array.<module:engine/model/range~Range>} Array of unique and nonIntersecting ranges.\n */\nexport function mergeIntersectingRanges( ranges ) {\n\tconst rangesToMerge = [ ...ranges ];\n\tconst rangeIndexesToRemove = new Set();\n\tlet currentRangeIndex = 1;\n\n\twhile ( currentRangeIndex < rangesToMerge.length ) {\n\t\tconst currentRange = rangesToMerge[ currentRangeIndex ];\n\t\tconst previousRanges = rangesToMerge.slice( 0, currentRangeIndex );\n\n\t\tfor ( const [ previousRangeIndex, previousRange ] of previousRanges.entries() ) {\n\t\t\tif ( rangeIndexesToRemove.has( previousRangeIndex ) ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tif ( currentRange.isEqual( previousRange ) ) {\n\t\t\t\trangeIndexesToRemove.add( previousRangeIndex );\n\t\t\t} else if ( currentRange.isIntersecting( previousRange ) ) {\n\t\t\t\trangeIndexesToRemove.add( previousRangeIndex );\n\t\t\t\trangeIndexesToRemove.add( currentRangeIndex );\n\n\t\t\t\tconst mergedRange = currentRange.getJoined( previousRange );\n\t\t\t\trangesToMerge.push( mergedRange );\n\t\t\t}\n\t\t}\n\n\t\tcurrentRangeIndex++;\n\t}\n\n\tconst nonIntersectingRanges = rangesToMerge.filter( ( _, index ) => !rangeIndexesToRemove.has( index ) );\n\n\treturn nonIntersectingRanges;\n}\n\n// Checks if node exists and if it's a selectable.\n//\n// @param {module:engine/model/node~Node} node\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction isSelectable( node, schema ) {\n\treturn node && schema.isSelectable( node );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/model/model\n */\n\nimport Batch from './batch';\nimport Writer from './writer';\nimport Schema from './schema';\nimport Document from './document';\nimport MarkerCollection from './markercollection';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ModelElement from './element';\nimport ModelRange from './range';\nimport ModelPosition from './position';\nimport ModelSelection from './selection';\nimport OperationFactory from './operation/operationfactory';\n\nimport insertContent from './utils/insertcontent';\nimport deleteContent from './utils/deletecontent';\nimport modifySelection from './utils/modifyselection';\nimport getSelectedContent from './utils/getselectedcontent';\nimport { injectSelectionPostFixer } from './utils/selection-post-fixer';\nimport { autoParagraphEmptyRoots } from './utils/autoparagraphing';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n// @if CK_DEBUG_ENGINE // const { dumpTrees } = require( '../dev-utils/utils' );\n// @if CK_DEBUG_ENGINE // const { OperationReplayer } = require( '../dev-utils/operationreplayer' ).default;\n\n/**\n * Editor's data model. Read about the model in the\n * {@glink framework/guides/architecture/editing-engine engine architecture guide}.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Model {\n\tconstructor() {\n\t\t/**\n\t\t * Model's marker collection.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/markercollection~MarkerCollection}\n\t\t */\n\t\tthis.markers = new MarkerCollection();\n\n\t\t/**\n\t\t * Model's document.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/document~Document}\n\t\t */\n\t\tthis.document = new Document( this );\n\n\t\t/**\n\t\t * Model's schema.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/schema~Schema}\n\t\t */\n\t\tthis.schema = new Schema();\n\n\t\t/**\n\t\t * All callbacks added by {@link module:engine/model/model~Model#change} or\n\t\t * {@link module:engine/model/model~Model#enqueueChange} methods waiting to be executed.\n\t\t *\n\t\t * @private\n\t\t * @type {Array.<Function>}\n\t\t */\n\t\tthis._pendingChanges = [];\n\n\t\t/**\n\t\t * The last created and currently used writer instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/writer~Writer}\n\t\t */\n\t\tthis._currentWriter = null;\n\n\t\t[ 'insertContent', 'deleteContent', 'modifySelection', 'getSelectedContent', 'applyOperation' ]\n\t\t\t.forEach( methodName => this.decorate( methodName ) );\n\n\t\t// Adding operation validation with `highest` priority, so it is called before any other feature would like\n\t\t// to do anything with the operation. If the operation has incorrect parameters it should throw on the earliest occasion.\n\t\tthis.on( 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\toperation._validate();\n\t\t}, { priority: 'highest' } );\n\n\t\t// Register some default abstract entities.\n\t\tthis.schema.register( '$root', {\n\t\t\tisLimit: true\n\t\t} );\n\n\t\tthis.schema.register( '$block', {\n\t\t\tallowIn: '$root',\n\t\t\tisBlock: true\n\t\t} );\n\n\t\tthis.schema.register( '$text', {\n\t\t\tallowIn: '$block',\n\t\t\tisInline: true,\n\t\t\tisContent: true\n\t\t} );\n\n\t\tthis.schema.register( '$clipboardHolder', {\n\t\t\tallowContentOf: '$root',\n\t\t\tallowChildren: '$text',\n\t\t\tisLimit: true\n\t\t} );\n\n\t\tthis.schema.register( '$documentFragment', {\n\t\t\tallowContentOf: '$root',\n\t\t\tallowChildren: '$text',\n\t\t\tisLimit: true\n\t\t} );\n\n\t\t// An element needed by the `upcastElementToMarker` converter.\n\t\t// This element temporarily represents a marker boundary during the conversion process and is removed\n\t\t// at the end of the conversion. `UpcastDispatcher` or at least `Conversion` class looks like a\n\t\t// better place for this registration but both know nothing about `Schema`.\n\t\tthis.schema.register( '$marker' );\n\t\tthis.schema.addChildCheck( ( context, childDefinition ) => {\n\t\t\tif ( childDefinition.name === '$marker' ) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t} );\n\n\t\tinjectSelectionPostFixer( this );\n\n\t\t// Post-fixer which takes care of adding empty paragraph elements to the empty roots.\n\t\tthis.document.registerPostFixer( autoParagraphEmptyRoots );\n\n\t\t// @if CK_DEBUG_ENGINE // this.on( 'applyOperation', () => {\n\t\t// @if CK_DEBUG_ENGINE // \tdumpTrees( this.document, this.document.version );\n\t\t// @if CK_DEBUG_ENGINE // }, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * The `change()` method is the primary way of changing the model. You should use it to modify all document nodes\n\t * (including detached nodes – i.e. nodes not added to the {@link module:engine/model/model~Model#document model document}),\n\t * the {@link module:engine/model/document~Document#selection document's selection}, and\n\t * {@link module:engine/model/model~Model#markers model markers}.\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n\t *\t\t} );\n\t *\n\t * All changes inside the change block use the same {@link module:engine/model/batch~Batch} so they are combined\n\t * into a single undo step.\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\twriter.insertText( 'foo', paragraph, 'end' ); // foo.\n\t *\n\t *\t\t\tmodel.change( writer => {\n\t *\t\t\t\twriter.insertText( 'bar', paragraph, 'end' ); // foobar.\n\t *\t\t\t} );\n\t *\n\t * \t\t\twriter.insertText( 'bom', paragraph, 'end' ); // foobarbom.\n\t *\t\t} );\n\t *\n\t * The callback of the `change()` block is executed synchronously.\n\t *\n\t * You can also return a value from the change block.\n\t *\n\t *\t\tconst img = model.change( writer => {\n\t *\t\t\treturn writer.createElement( 'img' );\n\t *\t\t} );\n\t *\n\t * @see #enqueueChange\n\t * @param {Function} callback Callback function which may modify the model.\n\t * @returns {*} Value returned by the callback.\n\t */\n\tchange( callback ) {\n\t\ttry {\n\t\t\tif ( this._pendingChanges.length === 0 ) {\n\t\t\t\t// If this is the outermost block, create a new batch and start `_runPendingChanges` execution flow.\n\t\t\t\tthis._pendingChanges.push( { batch: new Batch(), callback } );\n\n\t\t\t\treturn this._runPendingChanges()[ 0 ];\n\t\t\t} else {\n\t\t\t\t// If this is not the outermost block, just execute the callback.\n\t\t\t\treturn callback( this._currentWriter );\n\t\t\t}\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t}\n\n\t/**\n\t * The `enqueueChange()` method performs similar task as the {@link #change `change()` method}, with two major differences.\n\t *\n\t * First, the callback of `enqueueChange()` is executed when all other enqueued changes are done. It might be executed\n\t * immediately if it is not nested in any other change block, but if it is nested in another (enqueue)change block,\n\t * it will be delayed and executed after the outermost block.\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\tconsole.log( 1 );\n\t *\n\t *\t\t\tmodel.enqueueChange( writer => {\n\t *\t\t\t\tconsole.log( 2 );\n\t *\t\t\t} );\n\t *\n\t * \t\t\tconsole.log( 3 );\n\t *\t\t} ); // Will log: 1, 3, 2.\n\t *\n\t * In addition to that, the changes enqueued with `enqueueChange()` will be converted separately from the changes\n\t * done in the outer `change()` block.\n\t *\n\t * Second, it lets you define the {@link module:engine/model/batch~Batch} into which you want to add your changes.\n\t * By default, a new batch with the default {@link module:engine/model/batch~Batch#constructor batch type} is created.\n\t * In the sample above, `change` and `enqueueChange` blocks will use a different batch (and a different\n\t * {@link module:engine/model/writer~Writer} instance since each of them operates on a separate batch).\n\t *\n\t *\t\tmodel.enqueueChange( { isUndoable: false }, writer => {\n\t *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n\t *\t\t} );\n\t *\n\t * When using the `enqueueChange()` block you can also add some changes to the batch you used before.\n\t *\n\t *\t\tmodel.enqueueChange( batch, writer => {\n\t *\t\t\twriter.insertText( 'foo', paragraph, 'end' );\n\t *\t\t} );\n\t *\n\t * In order to make a nested `enqueueChange()` create a single undo step together with the changes done in the outer `change()`\n\t * block, you can obtain the batch instance from the  {@link module:engine/model/writer~Writer#batch writer} of the outer block.\n\t *\n\t * @param {module:engine/model/batch~Batch|Object} [batchOrType] A batch or a\n\t * {@link module:engine/model/batch~Batch#constructor batch type} that should be used in the callback. If not defined, a new batch with\n\t * the default type will be created.\n\t * @param {Function} callback Callback function which may modify the model.\n\t */\n\tenqueueChange( batchOrType, callback ) {\n\t\ttry {\n\t\t\tif ( !batchOrType ) {\n\t\t\t\tbatchOrType = new Batch();\n\t\t\t} else if ( typeof batchOrType === 'function' ) {\n\t\t\t\tcallback = batchOrType;\n\t\t\t\tbatchOrType = new Batch();\n\t\t\t} else if ( !( batchOrType instanceof Batch ) ) {\n\t\t\t\tbatchOrType = new Batch( batchOrType );\n\t\t\t}\n\n\t\t\tthis._pendingChanges.push( { batch: batchOrType, callback } );\n\n\t\t\tif ( this._pendingChanges.length == 1 ) {\n\t\t\t\tthis._runPendingChanges();\n\t\t\t}\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t}\n\n\t/**\n\t * {@link module:utils/observablemixin~ObservableMixin#decorate Decorated} function for applying\n\t * {@link module:engine/model/operation/operation~Operation operations} to the model.\n\t *\n\t * This is a low-level way of changing the model. It is exposed for very specific use cases (like the undo feature).\n\t * Normally, to modify the model, you will want to use {@link module:engine/model/writer~Writer `Writer`}.\n\t * See also {@glink framework/guides/architecture/editing-engine#changing-the-model Changing the model} section\n\t * of the {@glink framework/guides/architecture/editing-engine Editing architecture} guide.\n\t *\n\t * @param {module:engine/model/operation/operation~Operation} operation The operation to apply.\n\t */\n\tapplyOperation( operation ) {\n\t\t// @if CK_DEBUG_ENGINE // console.log( 'Applying ' + operation );\n\n\t\t// @if CK_DEBUG_ENGINE // if ( !this._operationLogs ) {\n\t\t// @if CK_DEBUG_ENGINE //\tthis._operationLogs = [];\n\t\t// @if CK_DEBUG_ENGINE // }\n\n\t\t// @if CK_DEBUG_ENGINE // this._operationLogs.push( JSON.stringify( operation ) );\n\n\t\t// @if CK_DEBUG_ENGINE //if ( !this._appliedOperations ) {\n\t\t// @if CK_DEBUG_ENGINE //\tthis._appliedOperations = [];\n\t\t// @if CK_DEBUG_ENGINE //}\n\n\t\t// @if CK_DEBUG_ENGINE //this._appliedOperations.push( operation );\n\n\t\toperation._execute();\n\t}\n\n\t// @if CK_DEBUG_ENGINE // getAppliedOperation() {\n\t// @if CK_DEBUG_ENGINE //\tif ( !this._appliedOperations ) {\n\t// @if CK_DEBUG_ENGINE //\t\treturn '';\n\t// @if CK_DEBUG_ENGINE //\t}\n\n\t// @if CK_DEBUG_ENGINE //\treturn this._appliedOperations.map( JSON.stringify ).join( '-------' );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t// @if CK_DEBUG_ENGINE // createReplayer( stringifiedOperations ) {\n\t// @if CK_DEBUG_ENGINE //\treturn new OperationReplayer( this, '-------', stringifiedOperations );\n\t// @if CK_DEBUG_ENGINE // }\n\n\t/**\n\t * Inserts content at the position in the editor specified by the selection, as one would expect the paste\n\t * functionality to work.\n\t *\n\t * This is a high-level method. It takes the {@link #schema schema} into consideration when inserting\n\t * the content, clears the given selection's content before inserting nodes and moves the selection\n\t * to its target position at the end of the process.\n\t * It can split elements, merge them, wrap bare text nodes with paragraphs, etc. &mdash; just like the\n\t * pasting feature should do.\n\t *\n\t * For lower-level methods see {@link module:engine/model/writer~Writer `Writer`}.\n\t *\n\t * This method, unlike {@link module:engine/model/writer~Writer `Writer`}'s methods, does not have to be used\n\t * inside a {@link #change `change()` block}.\n\t *\n\t * # Conversion and schema\n\t *\n\t * Inserting elements and text nodes into the model is not enough to make CKEditor 5 render that content\n\t * to the user. CKEditor 5 implements a model-view-controller architecture and what `model.insertContent()` does\n\t * is only adding nodes to the model. Additionally, you need to define\n\t * {@glink framework/guides/architecture/editing-engine#conversion converters} between the model and view\n\t * and define those nodes in the {@glink framework/guides/architecture/editing-engine#schema schema}.\n\t *\n\t * So, while this method may seem similar to CKEditor 4 `editor.insertHtml()` (in fact, both methods\n\t * are used for paste-like content insertion), the CKEditor 5 method cannot be use to insert arbitrary HTML\n\t * unless converters are defined for all elements and attributes in that HTML.\n\t *\n\t * # Examples\n\t *\n\t * Using `insertContent()` with a manually created model structure:\n\t *\n\t *\t\t// Let's create a document fragment containing such content as:\n\t *\t\t//\n\t *\t\t// <paragraph>foo</paragraph>\n\t *\t\t// <blockQuote>\n\t *\t\t//    <paragraph>bar</paragraph>\n\t *\t\t// </blockQuote>\n\t *\t\tconst docFrag = editor.model.change( writer => {\n\t *\t\t\tconst p1 = writer.createElement( 'paragraph' );\n\t *\t\t\tconst p2 = writer.createElement( 'paragraph' );\n\t *\t\t\tconst blockQuote = writer.createElement( 'blockQuote' );\n\t *\t\t\tconst docFrag = writer.createDocumentFragment();\n\t *\n\t *\t\t\twriter.append( p1, docFrag );\n\t *\t\t\twriter.append( blockQuote, docFrag );\n\t *\t\t\twriter.append( p2, blockQuote );\n\t *\t\t\twriter.insertText( 'foo', p1 );\n\t *\t\t\twriter.insertText( 'bar', p2 );\n\t *\n\t *\t\t\treturn docFrag;\n\t *\t\t} );\n\t *\n\t *\t\t// insertContent() does not have to be used in a change() block. It can, though,\n\t *\t\t// so this code could be moved to the callback defined above.\n\t *\t\teditor.model.insertContent( docFrag );\n\t *\n\t * Using `insertContent()` with an HTML string converted to a model document fragment (similar to the pasting mechanism):\n\t *\n\t *\t\t// You can create your own HtmlDataProcessor instance or use editor.data.processor\n\t *\t\t// if you have not overridden the default one (which is the HtmlDataProcessor instance).\n\t *\t\tconst htmlDP = new HtmlDataProcessor( viewDocument );\n\t *\n\t *\t\t// Convert an HTML string to a view document fragment:\n\t *\t\tconst viewFragment = htmlDP.toView( htmlString );\n\t *\n\t *\t\t// Convert the view document fragment to a model document fragment\n\t *\t\t// in the context of $root. This conversion takes the schema into\n\t *\t\t// account so if, for example, the view document fragment contained a bare text node,\n\t *\t\t// this text node cannot be a child of $root, so it will be automatically\n\t *\t\t// wrapped with a <paragraph>. You can define the context yourself (in the second parameter),\n\t *\t\t// and e.g. convert the content like it would happen in a <paragraph>.\n\t *\t\t// Note: The clipboard feature uses a custom context called $clipboardHolder\n\t *\t\t// which has a loosened schema.\n\t *\t\tconst modelFragment = editor.data.toModel( viewFragment );\n\t *\n\t *\t\teditor.model.insertContent( modelFragment );\n\t *\n\t * By default this method will use the document selection but it can also be used with a position, range or selection instance.\n\t *\n\t *\t\t// Insert text at the current document selection position.\n\t *\t\teditor.model.change( writer => {\n\t *\t\t\teditor.model.insertContent( writer.createText( 'x' ) );\n\t *\t\t} );\n\t *\n\t *\t\t// Insert text at a given position - the document selection will not be modified.\n\t *\t\teditor.model.change( writer => {\n\t *\t\t\teditor.model.insertContent( writer.createText( 'x' ), doc.getRoot(), 2 );\n\t *\n\t *\t\t\t// Which is a shorthand for:\n\t *\t\t\teditor.model.insertContent( writer.createText( 'x' ), writer.createPositionAt( doc.getRoot(), 2 ) );\n\t *\t\t} );\n\t *\n\t * If you want the document selection to be moved to the inserted content, use the\n\t * {@link module:engine/model/writer~Writer#setSelection `setSelection()`} method of the writer after inserting\n\t * the content:\n\t *\n\t *\t\teditor.model.change( writer => {\n\t *\t\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\n\t *\t\t\t// Insert an empty paragraph at the beginning of the root.\n\t *\t\t\teditor.model.insertContent( paragraph, writer.createPositionAt( editor.model.document.getRoot(), 0 ) );\n\t *\n\t *\t\t\t// Move the document selection to the inserted paragraph.\n\t *\t\t\twriter.setSelection( paragraph, 'in' );\n\t *\t\t} );\n\t *\n\t * If an instance of the {@link module:engine/model/selection~Selection model selection} is passed as `selectable`,\n\t * the new content will be inserted at the passed selection (instead of document selection):\n\t *\n\t *\t\teditor.model.change( writer => {\n\t *\t\t\t// Create a selection in a paragraph that will be used as a place of insertion.\n\t *\t\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t\t// Insert the new text at the created selection.\n\t *\t\t\teditor.model.insertContent( writer.createText( 'x' ), selection );\n\t *\n\t *\t\t\t// insertContent() modifies the passed selection instance so it can be used to set the document selection.\n\t *\t\t\t// Note: This is not necessary when you passed the document selection to insertContent().\n\t *\t\t\twriter.setSelection( selection );\n\t *\t\t} );\n\t *\n\t * @fires insertContent\n\t * @param {module:engine/model/documentfragment~DocumentFragment|module:engine/model/item~Item} content The content to insert.\n\t * @param {module:engine/model/selection~Selectable} [selectable=model.document.selection]\n\t * The selection into which the content should be inserted. If not provided the current model document selection will be used.\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] To be used when a model item was passed as `selectable`.\n\t * This param defines a position in relation to that item.\n\t * @returns {module:engine/model/range~Range} Range which contains all the performed changes. This is a range that, if removed,\n\t * would return the model to the state before the insertion. If no changes were preformed by `insertContent`, returns a range collapsed\n\t * at the insertion position.\n\t */\n\tinsertContent( content, selectable, placeOrOffset ) {\n\t\treturn insertContent( this, content, selectable, placeOrOffset );\n\t}\n\n\t/**\n\t * Deletes content of the selection and merge siblings. The resulting selection is always collapsed.\n\t *\n\t * **Note:** For the sake of predictability, the resulting selection should always be collapsed.\n\t * In cases where a feature wants to modify deleting behavior so selection isn't collapsed\n\t * (e.g. a table feature may want to keep row selection after pressing <kbd>Backspace</kbd>),\n\t * then that behavior should be implemented in the view's listener. At the same time, the table feature\n\t * will need to modify this method's behavior too, e.g. to \"delete contents and then collapse\n\t * the selection inside the last selected cell\" or \"delete the row and collapse selection somewhere near\".\n\t * That needs to be done in order to ensure that other features which use `deleteContent()` will work well with tables.\n\t *\n\t * @fires deleteContent\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * Selection of which the content should be deleted.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.leaveUnmerged=false] Whether to merge elements after removing the content of the selection.\n\t *\n\t * For example `<heading1>x[x</heading1><paragraph>y]y</paragraph>` will become:\n\t *\n\t * * `<heading1>x^y</heading1>` with the option disabled (`leaveUnmerged == false`)\n\t * * `<heading1>x^</heading1><paragraph>y</paragraph>` with enabled (`leaveUnmerged == true`).\n\t *\n\t * Note: {@link module:engine/model/schema~Schema#isObject object} and {@link module:engine/model/schema~Schema#isLimit limit}\n\t * elements will not be merged.\n\t *\n\t * @param {Boolean} [options.doNotResetEntireContent=false] Whether to skip replacing the entire content with a\n\t * paragraph when the entire content was selected.\n\t *\n\t * For example `<heading1>[x</heading1><paragraph>y]</paragraph>` will become:\n\t *\n\t * * `<paragraph>^</paragraph>` with the option disabled (`doNotResetEntireContent == false`)\n\t * * `<heading1>^</heading1>` with enabled (`doNotResetEntireContent == true`)\n\t *\n\t * @param {Boolean} [options.doNotAutoparagraph=false] Whether to create a paragraph if after content deletion selection is moved\n\t * to a place where text cannot be inserted.\n\t *\n\t * For example `<paragraph>x</paragraph>[<imageBlock src=\"foo.jpg\"></imageBlock>]` will become:\n\t *\n\t * * `<paragraph>x</paragraph><paragraph>[]</paragraph>` with the option disabled (`doNotAutoparagraph == false`)\n\t * * `<paragraph>x[]</paragraph>` with the option enabled (`doNotAutoparagraph == true`).\n\t *\n\t * **Note:** if there is no valid position for the selection, the paragraph will always be created:\n\t *\n\t * `[<imageBlock src=\"foo.jpg\"></imageBlock>]` -> `<paragraph>[]</paragraph>`.\n\t *\n\t * @param {'forward'|'backward'} [options.direction='backward'] The direction in which the content is being consumed.\n\t * Deleting backward corresponds to using the <kbd>Backspace</kbd> key, while deleting content forward corresponds to\n\t * the <kbd>Shift</kbd>+<kbd>Backspace</kbd> keystroke.\n\t */\n\tdeleteContent( selection, options ) {\n\t\tdeleteContent( this, selection, options );\n\t}\n\n\t/**\n\t * Modifies the selection. Currently, the supported modifications are:\n\t *\n\t * * Extending. The selection focus is moved in the specified `options.direction` with a step specified in `options.unit`.\n\t * Possible values for `unit` are:\n\t *  * `'character'` (default) - moves selection by one user-perceived character. In most cases this means moving by one\n\t *  character in `String` sense. However, unicode also defines \"combing marks\". These are special symbols, that combines\n\t *  with a symbol before it (\"base character\") to create one user-perceived character. For example, `q̣̇` is a normal\n\t *  letter `q` with two \"combining marks\": upper dot (`Ux0307`) and lower dot (`Ux0323`). For most actions, i.e. extending\n\t *  selection by one position, it is correct to include both \"base character\" and all of it's \"combining marks\". That is\n\t *  why `'character'` value is most natural and common method of modifying selection.\n\t *  * `'codePoint'` - moves selection by one unicode code point. In contrary to, `'character'` unit, this will insert\n\t *  selection between \"base character\" and \"combining mark\", because \"combining marks\" have their own unicode code points.\n\t *  However, for technical reasons, unicode code points with values above `UxFFFF` are represented in native `String` by\n\t *  two characters, called \"surrogate pairs\". Halves of \"surrogate pairs\" have a meaning only when placed next to each other.\n\t *  For example `𨭎` is represented in `String` by `\\uD862\\uDF4E`. Both `\\uD862` and `\\uDF4E` do not have any meaning\n\t *  outside the pair (are rendered as ? when alone). Position between them would be incorrect. In this case, selection\n\t *  extension will include whole \"surrogate pair\".\n\t *  * `'word'` - moves selection by a whole word.\n\t *\n\t * **Note:** if you extend a forward selection in a backward direction you will in fact shrink it.\n\t *\n\t * @fires modifySelection\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * The selection to modify.\n\t * @param {Object} [options]\n\t * @param {'forward'|'backward'} [options.direction='forward'] The direction in which the selection should be modified.\n\t * @param {'character'|'codePoint'|'word'} [options.unit='character'] The unit by which selection should be modified.\n\t */\n\tmodifySelection( selection, options ) {\n\t\tmodifySelection( this, selection, options );\n\t}\n\n\t/**\n\t * Gets a clone of the selected content.\n\t *\n\t * For example, for the following selection:\n\t *\n\t * ```html\n\t * <paragraph>x</paragraph>\n\t * <blockQuote>\n\t *\t<paragraph>y</paragraph>\n\t *\t<heading1>fir[st</heading1>\n\t * </blockQuote>\n\t * <paragraph>se]cond</paragraph>\n\t * <paragraph>z</paragraph>\n\t * ```\n\t *\n\t * It will return a document fragment with such a content:\n\t *\n\t * ```html\n\t * <blockQuote>\n\t *\t<heading1>st</heading1>\n\t * </blockQuote>\n\t * <paragraph>se</paragraph>\n\t * ```\n\t *\n\t * @fires getSelectedContent\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * The selection of which content will be returned.\n\t * @returns {module:engine/model/documentfragment~DocumentFragment}\n\t */\n\tgetSelectedContent( selection ) {\n\t\treturn getSelectedContent( this, selection );\n\t}\n\n\t/**\n\t * Checks whether the given {@link module:engine/model/range~Range range} or\n\t * {@link module:engine/model/element~Element element} has any meaningful content.\n\t *\n\t * Meaningful content is:\n\t *\n\t * * any text node (`options.ignoreWhitespaces` allows controlling whether this text node must also contain\n\t * any non-whitespace characters),\n\t * * or any {@link module:engine/model/schema~Schema#isContent content element},\n\t * * or any {@link module:engine/model/markercollection~Marker marker} which\n\t * {@link module:engine/model/markercollection~Marker#_affectsData affects data}.\n\t *\n\t * This means that a range containing an empty `<paragraph></paragraph>` is not considered to have a meaningful content.\n\t * However, a range containing an `<imageBlock></imageBlock>` (which would normally be marked in the schema as an object element)\n\t * is considered non-empty.\n\t *\n\t * @param {module:engine/model/range~Range|module:engine/model/element~Element} rangeOrElement Range or element to check.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.ignoreWhitespaces] Whether text node with whitespaces only should be considered empty.\n\t * @param {Boolean} [options.ignoreMarkers] Whether markers should be ignored.\n\t * @returns {Boolean}\n\t */\n\thasContent( rangeOrElement, options = {} ) {\n\t\tconst range = rangeOrElement instanceof ModelElement ? ModelRange._createIn( rangeOrElement ) : rangeOrElement;\n\n\t\tif ( range.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst { ignoreWhitespaces = false, ignoreMarkers = false } = options;\n\n\t\t// Check if there are any markers which affects data in this given range.\n\t\tif ( !ignoreMarkers ) {\n\t\t\tfor ( const intersectingMarker of this.markers.getMarkersIntersectingRange( range ) ) {\n\t\t\t\tif ( intersectingMarker.affectsData ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tfor ( const item of range.getItems() ) {\n\t\t\tif ( this.schema.isContent( item ) ) {\n\t\t\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\t\t\tif ( !ignoreWhitespaces ) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t} else if ( item.data.search( /\\S/ ) !== -1 ) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Creates a position from the given root and path in that root.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createPositionFromPath `Writer#createPositionFromPath()`}.\n\t *\n\t * @param {module:engine/model/element~Element|module:engine/model/documentfragment~DocumentFragment} root Root of the position.\n\t * @param {Array.<Number>} path Position path. See {@link module:engine/model/position~Position#path}.\n\t * @param {module:engine/model/position~PositionStickiness} [stickiness='toNone'] Position stickiness.\n\t * See {@link module:engine/model/position~PositionStickiness}.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionFromPath( root, path, stickiness ) {\n\t\treturn new ModelPosition( root, path, stickiness );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/model/position~Position position},\n\t * * a parent element and offset in that element,\n\t * * a parent element and `'end'` (the position will be set at the end of that element),\n\t * * a {@link module:engine/model/item~Item model item} and `'before'` or `'after'`\n\t * (the position will be set before or after the given model item).\n\t *\n\t * This method is a shortcut to other factory methods such as:\n\t *\n\t * * {@link module:engine/model/model~Model#createPositionBefore `createPositionBefore()`},\n\t * * {@link module:engine/model/model~Model#createPositionAfter `createPositionAfter()`}.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createPositionAt `Writer#createPositionAt()`},\n\t *\n\t * @param {module:engine/model/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/model/item~Item model item}.\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn ModelPosition._createAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new position after the given {@link module:engine/model/item~Item model item}.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createPositionAfter `Writer#createPositionAfter()`}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item after which the position should be placed.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn ModelPosition._createAfter( item );\n\t}\n\n\t/**\n\t * Creates a new position before the given {@link module:engine/model/item~Item model item}.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createPositionBefore `Writer#createPositionBefore()`}.\n\t *\n\t * @param {module:engine/model/item~Item} item Item before which the position should be placed.\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn ModelPosition._createBefore( item );\n\t}\n\n\t/**\n\t * Creates a range spanning from the `start` position to the `end` position.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createRange `Writer#createRange()`}:\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\tconst range = writer.createRange( start, end );\n\t *\t\t} );\n\t *\n\t * @param {module:engine/model/position~Position} start Start position.\n\t * @param {module:engine/model/position~Position} [end] End position. If not set, the range will be collapsed\n\t * to the `start` position.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn new ModelRange( start, end );\n\t}\n\n\t/**\n\t * Creates a range inside the given element which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createRangeIn `Writer#createRangeIn()`}:\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\tconst range = writer.createRangeIn( paragraph );\n\t *\t\t} );\n\t *\n\t * @param {module:engine/model/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn ModelRange._createIn( element );\n\t}\n\n\t/**\n\t * Creates a range that starts before the given {@link module:engine/model/item~Item model item} and ends after it.\n\t *\n\t * Note: This method is also available on `writer` instance as\n\t * {@link module:engine/model/writer~Writer#createRangeOn `Writer.createRangeOn()`}:\n\t *\n\t *\t\tmodel.change( writer => {\n\t *\t\t\tconst range = writer.createRangeOn( paragraph );\n\t *\t\t} );\n\t *\n\t * @param {module:engine/model/item~Item} item\n\t * @returns {module:engine/model/range~Range}\n\t */\n\tcreateRangeOn( item ) {\n\t\treturn ModelRange._createOn( item );\n\t}\n\n\t/**\n\t * Creates a new selection instance based on the given {@link module:engine/model/selection~Selectable selectable}\n\t * or creates an empty selection if no arguments were passed.\n\t *\n\t * Note: This method is also available as\n\t * {@link module:engine/model/writer~Writer#createSelection `Writer#createSelection()`}.\n\t *\n\t *\t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t *\t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the given document selection.\n\t *\t\t// Note: It doesn't copies selection attributes.\n\t *\t\tconst documentSelection = model.document.selection;\n\t *\t\tconst selection = writer.createSelection( documentSelection );\n\t *\n\t *\t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates selection at the given offset in the given element.\n\t *\t\tconst paragraph = writer.createElement( 'paragraph' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/model/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/model/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t *\t\t// Additional options (`'backward'`) can be specified as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * @param {module:engine/model/selection~Selectable} selectable\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Sets place or offset of the selection.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @returns {module:engine/model/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn new ModelSelection( selectable, placeOrOffset, options );\n\t}\n\n\t/**\n\t * Creates a {@link module:engine/model/batch~Batch} instance.\n\t *\n\t * **Note:** In most cases creating a batch instance is not necessary as they are created when using:\n\t *\n\t * * {@link #change `change()`},\n\t * * {@link #enqueueChange `enqueueChange()`}.\n\t *\n\t * @param {Object} [type] {@link module:engine/model/batch~Batch#constructor The type} of the batch.\n\t * @returns {module:engine/model/batch~Batch}\n\t */\n\tcreateBatch( type ) {\n\t\treturn new Batch( type );\n\t}\n\n\t/**\n\t * Creates an operation instance from a JSON object (parsed JSON string).\n\t *\n\t * This is an alias for {@link module:engine/model/operation/operationfactory~OperationFactory.fromJSON `OperationFactory.fromJSON()`}.\n\t *\n\t * @param {Object} json Deserialized JSON object.\n\t * @returns {module:engine/model/operation/operation~Operation}\n\t */\n\tcreateOperationFromJSON( json ) {\n\t\treturn OperationFactory.fromJSON( json, this.document );\n\t}\n\n\t/**\n\t * Removes all events listeners set by model instance and destroys {@link module:engine/model/document~Document}.\n\t */\n\tdestroy() {\n\t\tthis.document.destroy();\n\t\tthis.stopListening();\n\t}\n\n\t/**\n\t * Common part of {@link module:engine/model/model~Model#change} and {@link module:engine/model/model~Model#enqueueChange}\n\t * which calls callbacks and returns array of values returned by these callbacks.\n\t *\n\t * @private\n\t * @returns {Array.<*>} Array of values returned by callbacks.\n\t */\n\t_runPendingChanges() {\n\t\tconst ret = [];\n\n\t\tthis.fire( '_beforeChanges' );\n\n\t\twhile ( this._pendingChanges.length ) {\n\t\t\t// Create a new writer using batch instance created for this chain of changes.\n\t\t\tconst currentBatch = this._pendingChanges[ 0 ].batch;\n\t\t\tthis._currentWriter = new Writer( this, currentBatch );\n\n\t\t\t// Execute changes callback and gather the returned value.\n\t\t\tconst callbackReturnValue = this._pendingChanges[ 0 ].callback( this._currentWriter );\n\t\t\tret.push( callbackReturnValue );\n\n\t\t\tthis.document._handleChangeBlock( this._currentWriter );\n\n\t\t\tthis._pendingChanges.shift();\n\t\t\tthis._currentWriter = null;\n\t\t}\n\n\t\tthis.fire( '_afterChanges' );\n\n\t\treturn ret;\n\t}\n\n\t/**\n\t * Fired when entering the outermost {@link module:engine/model/model~Model#enqueueChange} or\n\t * {@link module:engine/model/model~Model#change} block.\n\t *\n\t * @protected\n\t * @event _beforeChanges\n\t */\n\n\t/**\n\t * Fired when leaving the outermost {@link module:engine/model/model~Model#enqueueChange} or\n\t * {@link module:engine/model/model~Model#change} block.\n\t *\n\t * @protected\n\t * @event _afterChanges\n\t */\n\n\t/**\n\t * Fired every time any {@link module:engine/model/operation/operation~Operation operation} is applied on the model\n\t * using {@link #applyOperation}.\n\t *\n\t * Note that this event is suitable only for very specific use-cases. Use it if you need to listen to every single operation\n\t * applied on the document. However, in most cases {@link module:engine/model/document~Document#event:change} should\n\t * be used.\n\t *\n\t * A few callbacks are already added to this event by engine internal classes:\n\t *\n\t * * with `highest` priority operation is validated,\n\t * * with `normal` priority operation is executed,\n\t * * with `low` priority the {@link module:engine/model/document~Document} updates its version,\n\t * * with `low` priority {@link module:engine/model/liveposition~LivePosition} and {@link module:engine/model/liverange~LiveRange}\n\t * update themselves.\n\t *\n\t * @event applyOperation\n\t * @param {Array} args Arguments of the `applyOperation` which is an array with a single element - applied\n\t * {@link module:engine/model/operation/operation~Operation operation}.\n\t */\n\n\t/**\n\t * Event fired when {@link #insertContent} method is called.\n\t *\n\t * The {@link #insertContent default action of that method} is implemented as a\n\t * listener to this event so it can be fully customized by the features.\n\t *\n\t * **Note** The `selectable` parameter for the {@link #insertContent} is optional. When `undefined` value is passed the method uses\n\t * `model.document.selection`.\n\t *\n\t * @event insertContent\n\t * @param {Array} args The arguments passed to the original method.\n\t */\n\n\t/**\n\t * Event fired when {@link #deleteContent} method is called.\n\t *\n\t * The {@link #deleteContent default action of that method} is implemented as a\n\t * listener to this event so it can be fully customized by the features.\n\t *\n\t * @event deleteContent\n\t * @param {Array} args The arguments passed to the original method.\n\t */\n\n\t/**\n\t * Event fired when {@link #modifySelection} method is called.\n\t *\n\t * The {@link #modifySelection default action of that method} is implemented as a\n\t * listener to this event so it can be fully customized by the features.\n\t *\n\t * @event modifySelection\n\t * @param {Array} args The arguments passed to the original method.\n\t */\n\n\t/**\n\t * Event fired when {@link #getSelectedContent} method is called.\n\t *\n\t * The {@link #getSelectedContent default action of that method} is implemented as a\n\t * listener to this event so it can be fully customized by the features.\n\t *\n\t * @event getSelectedContent\n\t * @param {Array} args The arguments passed to the original method.\n\t */\n}\n\nmix( Model, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/editingkeystrokehandler\n */\n\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\n\n/**\n * A keystroke handler for editor editing. Its instance is available\n * in {@link module:core/editor/editor~Editor#keystrokes} so plugins\n * can register their keystrokes.\n *\n * E.g. an undo plugin would do this:\n *\n *\t\teditor.keystrokes.set( 'Ctrl+Z', 'undo' );\n *\t\teditor.keystrokes.set( 'Ctrl+Shift+Z', 'redo' );\n *\t\teditor.keystrokes.set( 'Ctrl+Y', 'redo' );\n *\n * @extends module:utils/keystrokehandler~KeystrokeHandler\n */\nexport default class EditingKeystrokeHandler extends KeystrokeHandler {\n\t/**\n\t * Creates an instance of the keystroke handler.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t */\n\tconstructor( editor ) {\n\t\tsuper();\n\n\t\t/**\n\t\t * The editor instance.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor}\n\t\t */\n\t\tthis.editor = editor;\n\t}\n\n\t/**\n\t * Registers a handler for the specified keystroke.\n\t *\n\t * The handler can be specified as a command name or a callback.\n\t *\n\t * @param {String|Array.<String|Number>} keystroke Keystroke defined in a format accepted by\n\t * the {@link module:utils/keyboard~parseKeystroke} function.\n\t * @param {Function|String} callback If a string is passed, then the keystroke will\n\t * {@link module:core/editor/editor~Editor#execute execute a command}.\n\t * If a function, then it will be called with the\n\t * {@link module:engine/view/observer/keyobserver~KeyEventData key event data} object and\n\t * a `cancel()` helper to both `preventDefault()` and `stopPropagation()` of the event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of the keystroke\n\t * callback. The higher the priority value the sooner the callback will be executed. Keystrokes having the same priority\n\t * are called in the order they were added.\n\t */\n\tset( keystroke, callback, options = {} ) {\n\t\tif ( typeof callback == 'string' ) {\n\t\t\tconst commandName = callback;\n\n\t\t\tcallback = ( evtData, cancel ) => {\n\t\t\t\tthis.editor.execute( commandName );\n\t\t\t\tcancel();\n\t\t\t};\n\t\t}\n\n\t\tsuper.set( keystroke, callback, options );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/editor/editor\n */\n\nimport Context from '../context';\nimport Config from '@ckeditor/ckeditor5-utils/src/config';\nimport EditingController from '@ckeditor/ckeditor5-engine/src/controller/editingcontroller';\nimport PluginCollection from '../plugincollection';\nimport CommandCollection from '../commandcollection';\nimport DataController from '@ckeditor/ckeditor5-engine/src/controller/datacontroller';\nimport Conversion from '@ckeditor/ckeditor5-engine/src/conversion/conversion';\nimport Model from '@ckeditor/ckeditor5-engine/src/model/model';\nimport EditingKeystrokeHandler from '../editingkeystrokehandler';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport { StylesProcessor } from '@ckeditor/ckeditor5-engine/src/view/stylesmap';\n\n/**\n * The class representing a basic, generic editor.\n *\n * Check out the list of its subclasses to learn about specific editor implementations.\n *\n * All editor implementations (like {@link module:editor-classic/classiceditor~ClassicEditor} or\n * {@link module:editor-inline/inlineeditor~InlineEditor}) should extend this class. They can add their\n * own methods and properties.\n *\n * When you are implementing a plugin, this editor represents the API\n * which your plugin can expect to get when using its {@link module:core/plugin~Plugin#editor} property.\n *\n * This API should be sufficient in order to implement the \"editing\" part of your feature\n * (schema definition, conversion, commands, keystrokes, etc.).\n * It does not define the editor UI, which is available only if\n * the specific editor implements also the {@link module:core/editor/editorwithui~EditorWithUI} interface\n * (as most editor implementations do).\n *\n * @abstract\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Editor {\n\t/**\n\t * Creates a new instance of the editor class.\n\t *\n\t * Usually, not to be used directly. See the static {@link module:core/editor/editor~Editor.create `create()`} method.\n\t *\n\t * @param {Object} [config={}] The editor configuration.\n\t */\n\tconstructor( config = {} ) {\n\t\t// Prefer the language passed as the argument to the constructor instead of the constructor's `defaultConfig`, if both are set.\n\t\tconst language = config.language || ( this.constructor.defaultConfig && this.constructor.defaultConfig.language );\n\n\t\t/**\n\t\t * The editor context.\n\t\t * When it is not provided through the configuration, the editor creates it.\n\t\t *\n\t\t * @protected\n\t\t * @type {module:core/context~Context}\n\t\t */\n\t\tthis._context = config.context || new Context( { language } );\n\t\tthis._context._addEditor( this, !config.context );\n\n\t\t// Clone the plugins to make sure that the plugin array will not be shared\n\t\t// between editors and make the watchdog feature work correctly.\n\t\tconst availablePlugins = Array.from( this.constructor.builtinPlugins || [] );\n\n\t\t/**\n\t\t * Stores all configurations specific to this editor instance.\n\t\t *\n\t\t *\t\teditor.config.get( 'image.toolbar' );\n\t\t *\t\t// -> [ 'imageStyle:block', 'imageStyle:side', '|', 'toggleImageCaption', 'imageTextAlternative' ]\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/config~Config}\n\t\t */\n\t\tthis.config = new Config( config, this.constructor.defaultConfig );\n\t\tthis.config.define( 'plugins', availablePlugins );\n\t\tthis.config.define( this._context._getEditorConfig() );\n\n\t\t/**\n\t\t * The plugins loaded and in use by this editor instance.\n\t\t *\n\t\t *\t\teditor.plugins.get( 'ClipboardPipeline' ); // -> An instance of the clipboard pipeline plugin.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/plugincollection~PluginCollection}\n\t\t */\n\t\tthis.plugins = new PluginCollection( this, availablePlugins, this._context.plugins );\n\n\t\t/**\n\t\t * The locale instance.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/locale~Locale}\n\t\t */\n\t\tthis.locale = this._context.locale;\n\n\t\t/**\n\t\t * Shorthand for {@link module:utils/locale~Locale#t}.\n\t\t *\n\t\t * @see module:utils/locale~Locale#t\n\t\t * @method #t\n\t\t */\n\t\tthis.t = this.locale.t;\n\n\t\t/**\n\t\t * Commands registered to the editor.\n\t\t *\n\t\t * Use the shorthand {@link #execute `editor.execute()`} method to execute commands:\n\t\t *\n\t\t *\t\t// Execute the bold command:\n\t\t *\t\teditor.execute( 'bold' );\n\t\t *\n\t\t *\t\t// Check the state of the bold command:\n\t\t *\t\teditor.commands.get( 'bold' ).value;\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/commandcollection~CommandCollection}\n\t\t */\n\t\tthis.commands = new CommandCollection();\n\n\t\t/**\n\t\t * Indicates the editor life-cycle state.\n\t\t *\n\t\t * The editor is in one of the following states:\n\t\t *\n\t\t * * `initializing` &ndash; During the editor initialization (before\n\t\t * {@link module:core/editor/editor~Editor.create `Editor.create()`}) finished its job.\n\t\t * * `ready` &ndash; After the promise returned by the {@link module:core/editor/editor~Editor.create `Editor.create()`}\n\t\t * method is resolved.\n\t\t * * `destroyed` &ndash; Once the {@link #destroy `editor.destroy()`} method was called.\n\t\t *\n\t\t * @observable\n\t\t * @member {'initializing'|'ready'|'destroyed'} #state\n\t\t */\n\t\tthis.set( 'state', 'initializing' );\n\t\tthis.once( 'ready', () => ( this.state = 'ready' ), { priority: 'high' } );\n\t\tthis.once( 'destroy', () => ( this.state = 'destroyed' ), { priority: 'high' } );\n\n\t\t/**\n\t\t * Defines whether this editor is in read-only mode.\n\t\t *\n\t\t * In read-only mode the editor {@link #commands commands} are disabled so it is not possible\n\t\t * to modify the document by using them. Also, the editable element(s) become non-editable.\n\t\t *\n\t\t * In order to make the editor read-only, you can set this value directly:\n\t\t *\n\t\t *\t\teditor.isReadOnly = true;\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isReadOnly\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * The editor's model.\n\t\t *\n\t\t * The central point of the editor's abstract data model.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = new Model();\n\n\t\tconst stylesProcessor = new StylesProcessor();\n\n\t\t/**\n\t\t * The {@link module:engine/controller/datacontroller~DataController data controller}.\n\t\t * Used e.g. for setting and retrieving the editor data.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/controller/datacontroller~DataController}\n\t\t */\n\t\tthis.data = new DataController( this.model, stylesProcessor );\n\n\t\t/**\n\t\t * The {@link module:engine/controller/editingcontroller~EditingController editing controller}.\n\t\t * Controls user input and rendering the content for editing.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/controller/editingcontroller~EditingController}\n\t\t */\n\t\tthis.editing = new EditingController( this.model, stylesProcessor );\n\t\tthis.editing.view.document.bind( 'isReadOnly' ).to( this );\n\n\t\t/**\n\t\t * Conversion manager through which you can register model-to-view and view-to-model converters.\n\t\t *\n\t\t * See the {@link module:engine/conversion/conversion~Conversion} documentation to learn how to add converters.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/conversion/conversion~Conversion}\n\t\t */\n\t\tthis.conversion = new Conversion( [ this.editing.downcastDispatcher, this.data.downcastDispatcher ], this.data.upcastDispatcher );\n\t\tthis.conversion.addAlias( 'dataDowncast', this.data.downcastDispatcher );\n\t\tthis.conversion.addAlias( 'editingDowncast', this.editing.downcastDispatcher );\n\n\t\t/**\n\t\t * An instance of the {@link module:core/editingkeystrokehandler~EditingKeystrokeHandler}.\n\t\t *\n\t\t * It allows setting simple keystrokes:\n\t\t *\n\t\t *\t\t// Execute the bold command on Ctrl+E:\n\t\t *\t\teditor.keystrokes.set( 'Ctrl+E', 'bold' );\n\t\t *\n\t\t *\t\t// Execute your own callback:\n\t\t *\t\teditor.keystrokes.set( 'Ctrl+E', ( data, cancel ) => {\n\t\t *\t\t\tconsole.log( data.keyCode );\n\t\t *\n\t\t *\t\t\t// Prevent the default (native) action and stop the underlying keydown event\n\t\t *\t\t\t// so no other editor feature will interfere.\n\t\t *\t\t\tcancel();\n\t\t *\t\t} );\n\t\t *\n\t\t * Note: Certain typing-oriented keystrokes (like <kbd>Backspace</kbd> or <kbd>Enter</kbd>) are handled\n\t\t * by a low-level mechanism and trying to listen to them via the keystroke handler will not work reliably.\n\t\t * To handle these specific keystrokes, see the events fired by the\n\t\t * {@link module:engine/view/document~Document editing view document} (`editor.editing.view.document`).\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editingkeystrokehandler~EditingKeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new EditingKeystrokeHandler( this );\n\t\tthis.keystrokes.listenTo( this.editing.view.document );\n\t}\n\n\t/**\n\t * Loads and initializes plugins specified in the configuration.\n\t *\n\t * @returns {Promise.<module:core/plugin~LoadedPlugins>} A promise which resolves\n\t * once the initialization is completed, providing an array of loaded plugins.\n\t */\n\tinitPlugins() {\n\t\tconst config = this.config;\n\t\tconst plugins = config.get( 'plugins' );\n\t\tconst removePlugins = config.get( 'removePlugins' ) || [];\n\t\tconst extraPlugins = config.get( 'extraPlugins' ) || [];\n\t\tconst substitutePlugins = config.get( 'substitutePlugins' ) || [];\n\n\t\treturn this.plugins.init( plugins.concat( extraPlugins ), removePlugins, substitutePlugins );\n\t}\n\n\t/**\n\t * Destroys the editor instance, releasing all resources used by it.\n\t *\n\t * **Note** The editor cannot be destroyed during the initialization phase so if it is called\n\t * while the editor {@link #state is being initialized}, it will wait for the editor initialization before destroying it.\n\t *\n\t * @fires destroy\n\t * @returns {Promise} A promise that resolves once the editor instance is fully destroyed.\n\t */\n\tdestroy() {\n\t\tlet readyPromise = Promise.resolve();\n\n\t\tif ( this.state == 'initializing' ) {\n\t\t\treadyPromise = new Promise( resolve => this.once( 'ready', resolve ) );\n\t\t}\n\n\t\treturn readyPromise\n\t\t\t.then( () => {\n\t\t\t\tthis.fire( 'destroy' );\n\t\t\t\tthis.stopListening();\n\t\t\t\tthis.commands.destroy();\n\t\t\t} )\n\t\t\t.then( () => this.plugins.destroy() )\n\t\t\t.then( () => {\n\t\t\t\tthis.model.destroy();\n\t\t\t\tthis.data.destroy();\n\t\t\t\tthis.editing.destroy();\n\t\t\t\tthis.keystrokes.destroy();\n\t\t\t} )\n\t\t\t// Remove the editor from the context.\n\t\t\t// When the context was created by this editor, the context will be destroyed.\n\t\t\t.then( () => this._context._removeEditor( this ) );\n\t}\n\n\t/**\n\t * Executes the specified command with given parameters.\n\t *\n\t * Shorthand for:\n\t *\n\t *\t\teditor.commands.get( commandName ).execute( ... );\n\t *\n\t * @param {String} commandName The name of the command to execute.\n\t * @param {*} [...commandParams] Command parameters.\n\t * @returns {*} The value returned by the {@link module:core/commandcollection~CommandCollection#execute `commands.execute()`}.\n\t */\n\texecute( ...args ) {\n\t\ttry {\n\t\t\treturn this.commands.execute( ...args );\n\t\t} catch ( err ) {\n\t\t\t// @if CK_DEBUG // throw err;\n\t\t\t/* istanbul ignore next */\n\t\t\tCKEditorError.rethrowUnexpectedError( err, this );\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the editor.\n\t *\n\t * **Note** To explicitly focus the editing area of the editor, use the\n\t * {@link module:engine/view/view~View#focus `editor.editing.view.focus()`} method of the editing view.\n\t *\n\t * Check out the {@glink framework/guides/deep-dive/ui/focus-tracking#focus-in-the-editor-ui Focus in the editor UI} section\n\t * of the {@glink framework/guides/deep-dive/ui/focus-tracking Deep dive into focus tracking} guide to learn more.\n\t */\n\tfocus() {\n\t\tthis.editing.view.focus();\n\t}\n\n\t/**\n\t * Creates and initializes a new editor instance.\n\t *\n\t * This is an abstract method. Every editor type needs to implement its own initialization logic.\n\t *\n\t * See the `create()` methods of the existing editor types to learn how to use them:\n\t *\n\t * * {@link module:editor-classic/classiceditor~ClassicEditor.create `ClassicEditor.create()`}\n\t * * {@link module:editor-balloon/ballooneditor~BalloonEditor.create `BalloonEditor.create()`}\n\t * * {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`}\n\t * * {@link module:editor-inline/inlineeditor~InlineEditor.create `InlineEditor.create()`}\n\t *\n\t * @abstract\n\t * @method module:core/editor/editor~Editor.create\n\t */\n}\n\nmix( Editor, ObservableMixin );\n\n/**\n * Fired when the {@link module:engine/controller/datacontroller~DataController#event:ready data} and all additional\n * editor components are ready.\n *\n * Note: This event is most useful for plugin developers. When integrating the editor with your website or\n * application, you do not have to listen to `editor#ready` because when the promise returned by the static\n * {@link module:core/editor/editor~Editor.create `Editor.create()`} event is resolved, the editor is already ready.\n * In fact, since the first moment when the editor instance is available to you is inside `then()`'s callback,\n * you cannot even add a listener to the `editor#ready` event.\n *\n * See also the {@link #state `editor.state`} property.\n *\n * @event ready\n */\n\n/**\n * Fired when this editor instance is destroyed. The editor at this point is not usable and this event should be used to\n * perform the clean-up in any plugin.\n *\n *\n * See also the {@link #state `editor.state`} property.\n *\n * @event destroy\n */\n\n/**\n * This error is thrown when trying to pass a `<textarea>` element to a `create()` function of an editor class.\n *\n * The only editor type which can be initialized on `<textarea>` elements is\n * the {@glink builds/guides/predefined-builds/overview#classic-editor classic editor}.\n * This editor hides the passed element and inserts its own UI next to it. Other types of editors reuse the passed element as their root\n * editable element and therefore `<textarea>` is not appropriate for them. Use a `<div>` or another text container instead:\n *\n *\t\t<div id=\"editor\">\n *\t\t\t<p>Initial content.</p>\n *\t\t</div>\n *\n * @error editor-wrong-element\n */\n\n/**\n * An array of plugins built into this editor class.\n *\n * It is used in CKEditor 5 builds to provide a list of plugins which are later automatically initialized\n * during the editor initialization.\n *\n * They will be automatically initialized by the editor, unless listed in `config.removePlugins` and\n * unless `config.plugins` is passed.\n *\n *\t\t// Build some plugins into the editor class first.\n *\t\tClassicEditor.builtinPlugins = [ FooPlugin, BarPlugin ];\n *\n *\t\t// Normally, you need to define config.plugins, but since ClassicEditor.builtinPlugins was\n *\t\t// defined, now you can call create() without any configuration.\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.plugins.get( FooPlugin ); // -> An instance of the Foo plugin.\n *\t\t\t\teditor.plugins.get( BarPlugin ); // -> An instance of the Bar plugin.\n *\t\t\t} );\n *\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement, {\n *\t\t\t\t// Do not initialize these plugins (note: it is defined by a string):\n *\t\t\t\tremovePlugins: [ 'Foo' ]\n *\t\t\t} )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.plugins.get( FooPlugin ); // -> Undefined.\n *\t\t\t\teditor.config.get( BarPlugin ); // -> An instance of the Bar plugin.\n *\t\t\t} );\n *\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement, {\n *\t\t\t\t// Load only this plugin. It can also be defined by a string if\n *\t\t\t\t// this plugin was built into the editor class.\n *\t\t\t\tplugins: [ FooPlugin ]\n *\t\t\t} )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.plugins.get( FooPlugin ); // -> An instance of the Foo plugin.\n *\t\t\t\teditor.config.get( BarPlugin ); // -> Undefined.\n *\t\t\t} );\n *\n * See also {@link module:core/editor/editor~Editor.defaultConfig}.\n *\n * @static\n * @member {Array.<Function>} module:core/editor/editor~Editor.builtinPlugins\n */\n\n/**\n * The default configuration which is built into the editor class.\n *\n * It is used in CKEditor 5 builds to provide the default configuration options which are later used during the editor initialization.\n *\n *\t\tClassicEditor.defaultConfig = {\n *\t\t\tfoo: 1,\n *\t\t\tbar: 2\n *\t\t};\n *\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.config.get( 'foo' ); // -> 1\n *\t\t\t\teditor.config.get( 'bar' ); // -> 2\n *\t\t\t} );\n *\n *\t\t// The default options can be overridden by the configuration passed to create().\n *\t\tClassicEditor\n *\t\t\t.create( sourceElement, { bar: 3 } )\n *\t\t\t.then( editor => {\n *\t\t\t\teditor.config.get( 'foo' ); // -> 1\n *\t\t\t\teditor.config.get( 'bar' ); // -> 3\n *\t\t\t} );\n *\n * See also {@link module:core/editor/editor~Editor.builtinPlugins}.\n *\n * @static\n * @member {Object} module:core/editor/editor~Editor.defaultConfig\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/componentfactory\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * A helper class implementing the UI component ({@link module:ui/view~View view}) factory.\n *\n * It allows functions producing specific UI components to be registered under their unique names\n * in the factory. A registered component can be then instantiated by providing its name.\n * Note that names are case insensitive.\n *\n *\t\t// The editor provides localization tools for the factory.\n *\t\tconst factory = new ComponentFactory( editor );\n *\n *\t\tfactory.add( 'foo', locale => new FooView( locale ) );\n *\t\tfactory.add( 'bar', locale => new BarView( locale ) );\n *\n *\t\t// An instance of FooView.\n *\t\tconst fooInstance = factory.create( 'foo' );\n *\n *\t\t// Names are case insensitive so this is also allowed:\n *\t\tconst barInstance = factory.create( 'Bar' );\n *\n * The {@link module:core/editor/editor~Editor#locale editor locale} is passed to the factory\n * function when {@link module:ui/componentfactory~ComponentFactory#create} is called.\n */\nexport default class ComponentFactory {\n\t/**\n\t * Creates an instance of the factory.\n\t *\n\t * @constructor\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * The editor instance that the factory belongs to.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor}\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * Registered component factories.\n\t\t *\n\t\t * @private\n\t\t * @member {Map}\n\t\t */\n\t\tthis._components = new Map();\n\t}\n\n\t/**\n\t * Returns an iterator of registered component names. Names are returned in lower case.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\t* names() {\n\t\tfor ( const value of this._components.values() ) {\n\t\t\tyield value.originalName;\n\t\t}\n\t}\n\n\t/**\n\t * Registers a component factory function that will be used by the\n\t * {@link #create create} method and called with the\n\t * {@link module:core/editor/editor~Editor#locale editor locale} as an argument,\n\t * allowing localization of the {@link module:ui/view~View view}.\n\t *\n\t * @param {String} name The name of the component.\n\t * @param {Function} callback The callback that returns the component.\n\t */\n\tadd( name, callback ) {\n\t\tthis._components.set( getNormalized( name ), { callback, originalName: name } );\n\t}\n\n\t/**\n\t * Creates an instance of a component registered in the factory under a specific name.\n\t *\n\t * When called, the {@link module:core/editor/editor~Editor#locale editor locale} is passed to\n\t * the previously {@link #add added} factory function, allowing localization of the\n\t * {@link module:ui/view~View view}.\n\t *\n\t * @param {String} name The name of the component.\n\t * @returns {module:ui/view~View} The instantiated component view.\n\t */\n\tcreate( name ) {\n\t\tif ( !this.has( name ) ) {\n\t\t\t/**\n\t\t\t * The required component is not registered in the component factory. Please make sure\n\t\t\t * the provided name is correct and the component has been correctly\n\t\t\t * {@link #add added} to the factory.\n\t\t\t *\n\t\t\t * @error componentfactory-item-missing\n\t\t\t * @param {String} name The name of the missing component.\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'componentfactory-item-missing',\n\t\t\t\tthis,\n\t\t\t\t{ name }\n\t\t\t);\n\t\t}\n\n\t\treturn this._components.get( getNormalized( name ) ).callback( this.editor.locale );\n\t}\n\n\t/**\n\t * Checks if a component of a given name is registered in the factory.\n\t *\n\t * @param {String} name The name of the component.\n\t * @returns {Boolean}\n\t */\n\thas( name ) {\n\t\treturn this._components.has( getNormalized( name ) );\n\t}\n}\n\n//\n// Ensures that the component name used as the key in the internal map is in lower case.\n//\n// @private\n// @param {String} name\n// @returns {String}\nfunction getNormalized( name ) {\n\treturn String( name ).toLowerCase();\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/editor/editorui\n */\n\n/* globals console */\n\nimport ComponentFactory from '@ckeditor/ckeditor5-ui/src/componentfactory';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * A class providing the minimal interface that is required to successfully bootstrap any editor UI.\n *\n * @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class EditorUI {\n\t/**\n\t * Creates an instance of the editor UI class.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * The editor that the UI belongs to.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor} #editor\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * An instance of the {@link module:ui/componentfactory~ComponentFactory}, a registry used by plugins\n\t\t * to register factories of specific UI components.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/componentfactory~ComponentFactory} #componentFactory\n\t\t */\n\t\tthis.componentFactory = new ComponentFactory( editor );\n\n\t\t/**\n\t\t * Stores the information about the editor UI focus and propagates it so various plugins and components\n\t\t * are unified as a focus group.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker} #focusTracker\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * Stores viewport offsets from every direction.\n\t\t *\n\t\t * Viewport offset can be used to constrain balloons or other UI elements into an element smaller than the viewport.\n\t\t * This can be useful if there are any other absolutely positioned elements that may interfere with editor UI.\n\t\t *\n\t\t * Example `editor.ui.viewportOffset` returns:\n\t\t *\n\t\t * ```js\n\t\t * {\n\t\t * \ttop: 50,\n\t\t * \tright: 50,\n\t\t * \tbottom: 50,\n\t\t * \tleft: 50\n\t\t * }\n\t\t * ```\n\t\t *\n\t\t * This property can be overriden after editor already being initialized:\n\t\t *\n\t\t * ```js\n\t\t * editor.ui.viewportOffset = {\n\t\t * \ttop: 100,\n\t\t * \tright: 0,\n\t\t * \tbottom: 0,\n\t\t * \tleft: 0\n\t\t * };\n\t\t * ```\n\t\t *\n\t\t * @observable\n\t\t * @member {Object} #viewportOffset\n\t\t */\n\t\tthis.set( 'viewportOffset', this._readViewportOffsetFromConfig() );\n\n\t\t/**\n\t\t * Stores all editable elements used by the editor instance.\n\t\t *\n\t\t * @private\n\t\t * @member {Map.<String,HTMLElement>}\n\t\t */\n\t\tthis._editableElementsMap = new Map();\n\n\t\t// Informs UI components that should be refreshed after layout change.\n\t\tthis.listenTo( editor.editing.view.document, 'layoutChanged', () => this.update() );\n\t}\n\n\t/**\n\t * The main (outermost) DOM element of the editor UI.\n\t *\n\t * For example, in {@link module:editor-classic/classiceditor~ClassicEditor} it is a `<div>` which\n\t * wraps the editable element and the toolbar. In {@link module:editor-inline/inlineeditor~InlineEditor}\n\t * it is the editable element itself (as there is no other wrapper). However, in\n\t * {@link module:editor-decoupled/decouplededitor~DecoupledEditor} it is set to `null` because this editor does not\n\t * come with a single \"main\" HTML element (its editable element and toolbar are separate).\n\t *\n\t * This property can be understood as a shorthand for retrieving the element that a specific editor integration\n\t * considers to be its main DOM element.\n\t *\n\t * @readonly\n\t * @member {HTMLElement|null} #element\n\t */\n\tget element() {\n\t\treturn null;\n\t}\n\n\t/**\n\t * Fires the {@link module:core/editor/editorui~EditorUI#event:update `update`} event.\n\t *\n\t * This method should be called when the editor UI (e.g. positions of its balloons) needs to be updated due to\n\t * some environmental change which CKEditor 5 is not aware of (e.g. resize of a container in which it is used).\n\t */\n\tupdate() {\n\t\tthis.fire( 'update' );\n\t}\n\n\t/**\n\t * Destroys the UI.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\n\t\tthis.focusTracker.destroy();\n\n\t\t// Clean–up the references to the CKEditor instance stored in the native editable DOM elements.\n\t\tfor ( const domElement of this._editableElementsMap.values() ) {\n\t\t\tdomElement.ckeditorInstance = null;\n\t\t}\n\n\t\tthis._editableElementsMap = new Map();\n\t}\n\n\t/**\n\t * Store the native DOM editable element used by the editor under\n\t * a unique name.\n\t *\n\t * @param {String} rootName The unique name of the editable element.\n\t * @param {HTMLElement} domElement The native DOM editable element.\n\t */\n\tsetEditableElement( rootName, domElement ) {\n\t\tthis._editableElementsMap.set( rootName, domElement );\n\n\t\t// Put a reference to the CKEditor instance in the editable native DOM element.\n\t\t// It helps 3rd–party software (browser extensions, other libraries) access and recognize\n\t\t// CKEditor 5 instances (editing roots) and use their API (there is no global editor\n\t\t// instance registry).\n\t\tif ( !domElement.ckeditorInstance ) {\n\t\t\tdomElement.ckeditorInstance = this.editor;\n\t\t}\n\t}\n\n\t/**\n\t * Returns the editable editor element with the given name or null if editable does not exist.\n\t *\n\t * @param {String} [rootName=main] The editable name.\n\t * @returns {HTMLElement|undefined}\n\t */\n\tgetEditableElement( rootName = 'main' ) {\n\t\treturn this._editableElementsMap.get( rootName );\n\t}\n\n\t/**\n\t * Returns array of names of all editor editable elements.\n\t *\n\t * @returns {Iterable.<String>}\n\t */\n\tgetEditableElementsNames() {\n\t\treturn this._editableElementsMap.keys();\n\t}\n\n\t/**\n\t * Stores all editable elements used by the editor instance.\n\t *\n\t * @protected\n\t * @deprecated\n\t * @member {Map.<String,HTMLElement>}\n\t */\n\tget _editableElements() {\n\t\t/**\n\t\t * The {@link module:core/editor/editorui~EditorUI#_editableElements `EditorUI#_editableElements`} property has been\n\t\t * deprecated and will be removed in the near future. Please use {@link #setEditableElement `setEditableElement()`} and\n\t\t * {@link #getEditableElement `getEditableElement()`} methods instead.\n\t\t *\n\t\t * @error editor-ui-deprecated-editable-elements\n\t\t * @param {module:core/editor/editorui~EditorUI} editorUI Editor UI instance the deprecated property belongs to.\n\t\t */\n\t\tconsole.warn(\n\t\t\t'editor-ui-deprecated-editable-elements: ' +\n\t\t\t'The EditorUI#_editableElements property has been deprecated and will be removed in the near future.',\n\t\t\t{ editorUI: this } );\n\n\t\treturn this._editableElementsMap;\n\t}\n\n\t/**\n\t * Returns viewport offsets object:\n\t *\n\t * ```js\n\t * {\n\t * \ttop: Number,\n\t * \tright: Number,\n\t * \tbottom: Number,\n\t * \tleft: Number\n\t * }\n\t * ```\n\t *\n\t * Only top property is currently supported.\n\t *\n\t * @private\n\t * @return {Object}\n\t */\n\t_readViewportOffsetFromConfig() {\n\t\tconst editor = this.editor;\n\t\tconst viewportOffsetConfig = editor.config.get( 'ui.viewportOffset' );\n\n\t\tif ( viewportOffsetConfig ) {\n\t\t\treturn viewportOffsetConfig;\n\t\t}\n\n\t\tconst legacyOffsetConfig = editor.config.get( 'toolbar.viewportTopOffset' );\n\n\t\t// Fall back to deprecated toolbar config.\n\t\tif ( legacyOffsetConfig ) {\n\t\t\t/**\n\t\t\t * The {@link module:core/editor/editorconfig~EditorConfig#toolbar `EditorConfig#toolbar.viewportTopOffset`}\n\t\t\t * property has been deprecated and will be removed in the near future. Please use\n\t\t\t * {@link module:core/editor/editorconfig~EditorConfig#ui `EditorConfig#ui.viewportOffset`} instead.\n\t\t\t *\n\t\t\t * @error editor-ui-deprecated-viewport-offset-config\n\t\t\t */\n\t\t\tconsole.warn(\n\t\t\t\t'editor-ui-deprecated-viewport-offset-config: ' +\n\t\t\t\t'The `toolbar.vieportTopOffset` configuration option is deprecated. ' +\n\t\t\t\t'It will be removed from future CKEditor versions. Use `ui.viewportOffset.top` instead.'\n\t\t\t);\n\n\t\t\treturn { top: legacyOffsetConfig };\n\t\t}\n\n\t\t// More keys to come in the future.\n\t\treturn { top: 0 };\n\t}\n\n\t/**\n\t * Fired when the editor UI is ready.\n\t *\n\t * Fired before {@link module:engine/controller/datacontroller~DataController#event:ready}.\n\t *\n\t * @event ready\n\t */\n\n\t/**\n\t * Fired whenever the UI (all related components) should be refreshed.\n\t *\n\t * **Note:**: The event is fired after each {@link module:engine/view/document~Document#event:layoutChanged}.\n\t * It can also be fired manually via the {@link module:core/editor/editorui~EditorUI#update} method.\n\t *\n\t * @event update\n\t */\n}\n\nmix( EditorUI, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/editor/utils/dataapimixin\n */\n\n/**\n * Implementation of the {@link module:core/editor/utils/dataapimixin~DataApi}.\n *\n * @mixin DataApiMixin\n * @implements module:core/editor/utils/dataapimixin~DataApi\n */\nconst DataApiMixin = {\n\t/**\n\t * @inheritDoc\n\t */\n\tsetData( data ) {\n\t\tthis.data.set( data );\n\t},\n\n\t/**\n\t * @inheritDoc\n\t */\n\tgetData( options ) {\n\t\treturn this.data.get( options );\n\t}\n};\n\nexport default DataApiMixin;\n\n/**\n * Interface defining editor methods for setting and getting data to and from the editor's main root element\n * using the {@link module:core/editor/editor~Editor#data data pipeline}.\n *\n * This interface is not a part of the {@link module:core/editor/editor~Editor} class because one may want to implement\n * an editor with multiple root elements, in which case the methods for setting and getting data will need to be implemented\n * differently.\n *\n * @interface DataApi\n */\n\n/**\n * Sets the data in the editor.\n *\n *\t\teditor.setData( '<p>This is editor!</p>' );\n *\n * By default the editor accepts HTML. This can be controlled by injecting a different data processor.\n * See the {@glink features/markdown Markdown output} guide for more details.\n *\n * Note: Not only is the format of the data configurable, but the type of the `setData()`'s parameter does not\n * have to be a string either. You can e.g. accept an object or a DOM `DocumentFragment` if you consider this\n * the right format for you.\n *\n * @method #setData\n * @param {String} data Input data.\n */\n\n/**\n * Gets the data from the editor.\n *\n *\t\teditor.getData(); // -> '<p>This is editor!</p>'\n *\n * By default the editor outputs HTML. This can be controlled by injecting a different data processor.\n * See the {@glink features/markdown Markdown output} guide for more details.\n *\n * Note: Not only is the format of the data configurable, but the type of the `getData()`'s return value does not\n * have to be a string either. You can e.g. return an object or a DOM `DocumentFragment` if you consider this\n * the right format for you.\n *\n * @method #getData\n * @param {Object} [options] Additional configuration for the retrieved data.\n * Editor features may introduce more configuration options that can be set through this parameter.\n * @param {String} [options.rootName='main'] Root name.\n * @param {String} [options.trim='empty'] Whether returned data should be trimmed. This option is set to `'empty'` by default,\n * which means that whenever editor content is considered empty, an empty string is returned. To turn off trimming\n * use `'none'`. In such cases exact content will be returned (for example `'<p>&nbsp;</p>'` for an empty editor).\n * @returns {String} Output data.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core/pendingactions\n */\n\nimport ContextPlugin from './contextplugin';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * The list of pending editor actions.\n *\n * This plugin should be used to synchronise plugins that execute long-lasting actions\n * (e.g. file upload) with the editor integration. It gives the developer who integrates the editor\n * an easy way to check if there are any actions pending whenever such information is needed.\n * All plugins that register a pending action also provide a message about the action that is ongoing\n * which can be displayed to the user. This lets them decide if they want to interrupt the action or wait.\n *\n * Adding and updating a pending action:\n *\n * \t\tconst pendingActions = editor.plugins.get( 'PendingActions' );\n * \t\tconst action = pendingActions.add( 'Upload in progress: 0%.' );\n *\n *\t\t// You can update the message:\n * \t\taction.message = 'Upload in progress: 10%.';\n *\n * Removing a pending action:\n *\n * \t\tconst pendingActions = editor.plugins.get( 'PendingActions' );\n * \t\tconst action = pendingActions.add( 'Unsaved changes.' );\n *\n * \t\tpendingActions.remove( action );\n *\n * Getting pending actions:\n *\n * \t\tconst pendingActions = editor.plugins.get( 'PendingActions' );\n *\n * \t\tconst action1 = pendingActions.add( 'Action 1' );\n * \t\tconst action2 = pendingActions.add( 'Action 2' );\n *\n * \t\tpendingActions.first; // Returns action1\n * \t\tArray.from( pendingActions ); // Returns [ action1, action2 ]\n *\n * This plugin is used by features like {@link module:upload/filerepository~FileRepository} to register their ongoing actions\n * and by features like {@link module:autosave/autosave~Autosave} to detect whether there are any ongoing actions.\n * Read more about saving the data in the {@glink builds/guides/integration/saving-data Saving and getting data} guide.\n *\n * @extends module:core/contextplugin~ContextPlugin\n */\nexport default class PendingActions extends ContextPlugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'PendingActions';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\t/**\n\t\t * Defines whether there is any registered pending action.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #hasAny\n\t\t */\n\t\tthis.set( 'hasAny', false );\n\n\t\t/**\n\t\t * A list of pending actions.\n\t\t *\n\t\t * @private\n\t\t * @type {module:utils/collection~Collection}\n\t\t */\n\t\tthis._actions = new Collection( { idProperty: '_id' } );\n\t\tthis._actions.delegate( 'add', 'remove' ).to( this );\n\t}\n\n\t/**\n\t * Adds an action to the list of pending actions.\n\t *\n\t * This method returns an action object with an observable message property.\n\t * The action object can be later used in the {@link #remove} method. It also allows you to change the message.\n\t *\n\t * @param {String} message The action message.\n\t * @returns {Object} An observable object that represents a pending action.\n\t */\n\tadd( message ) {\n\t\tif ( typeof message !== 'string' ) {\n\t\t\t/**\n\t\t\t * The message must be a string.\n\t\t\t *\n\t\t\t * @error pendingactions-add-invalid-message\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'pendingactions-add-invalid-message', this );\n\t\t}\n\n\t\tconst action = Object.create( ObservableMixin );\n\n\t\taction.set( 'message', message );\n\t\tthis._actions.add( action );\n\t\tthis.hasAny = true;\n\n\t\treturn action;\n\t}\n\n\t/**\n\t * Removes an action from the list of pending actions.\n\t *\n\t * @param {Object} action An action object.\n\t */\n\tremove( action ) {\n\t\tthis._actions.remove( action );\n\t\tthis.hasAny = !!this._actions.length;\n\t}\n\n\t/**\n\t * Returns the first action from the list or null when list is empty\n\t *\n\t * returns {Object|null} The pending action object.\n\t */\n\tget first() {\n\t\treturn this._actions.get( 0 );\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<*>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this._actions[ Symbol.iterator ]();\n\t}\n\n\t/**\n\t * Fired when an action is added to the list.\n\t *\n\t * @event add\n\t * @param {Object} action The added action.\n\t */\n\n\t/**\n\t * Fired when an action is removed from the list.\n\t *\n\t * @event remove\n\t * @param {Object} action The removed action.\n\t */\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m11.591 10.177 4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><circle cx=\\\"9.5\\\" cy=\\\"4.5\\\" r=\\\"1.5\\\"/><circle cx=\\\"9.5\\\" cy=\\\"10.5\\\" r=\\\"1.5\\\"/><circle cx=\\\"9.5\\\" cy=\\\"16.5\\\" r=\\\"1.5\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module core\n */\n\nexport { default as Plugin } from './plugin';\nexport { default as Command } from './command';\nexport { default as MultiCommand } from './multicommand';\n\nexport { default as Context } from './context';\nexport { default as ContextPlugin } from './contextplugin';\n\nexport { default as Editor } from './editor/editor';\nexport { default as EditorUI } from './editor/editorui';\n\nexport { default as attachToForm } from './editor/utils/attachtoform';\nexport { default as DataApiMixin } from './editor/utils/dataapimixin';\nexport { default as ElementApiMixin } from './editor/utils/elementapimixin';\nexport { default as secureSourceElement } from './editor/utils/securesourceelement';\n\nexport { default as PendingActions } from './pendingactions';\n\nimport cancel from './../theme/icons/cancel.svg';\nimport caption from './../theme/icons/caption.svg';\nimport check from './../theme/icons/check.svg';\nimport cog from './../theme/icons/cog.svg';\nimport eraser from './../theme/icons/eraser.svg';\nimport lowVision from './../theme/icons/low-vision.svg';\nimport image from './../theme/icons/image.svg';\n\nimport alignBottom from './../theme/icons/align-bottom.svg';\nimport alignMiddle from './../theme/icons/align-middle.svg';\nimport alignTop from './../theme/icons/align-top.svg';\nimport alignLeft from './../theme/icons/align-left.svg';\nimport alignCenter from './../theme/icons/align-center.svg';\nimport alignRight from './../theme/icons/align-right.svg';\nimport alignJustify from './../theme/icons/align-justify.svg';\n\nimport objectBlockLeft from './../theme/icons/object-left.svg';\nimport objectCenter from './../theme/icons/object-center.svg';\nimport objectBlockRight from './../theme/icons/object-right.svg';\nimport objectFullWidth from './../theme/icons/object-full-width.svg';\nimport objectInline from './../theme/icons/object-inline.svg';\nimport objectLeft from './../theme/icons/object-inline-left.svg';\nimport objectRight from './../theme/icons/object-inline-right.svg';\n\nimport objectSizeFull from './../theme/icons/object-size-full.svg';\nimport objectSizeLarge from './../theme/icons/object-size-large.svg';\nimport objectSizeSmall from './../theme/icons/object-size-small.svg';\nimport objectSizeMedium from './../theme/icons/object-size-medium.svg';\n\nimport pencil from './../theme/icons/pencil.svg';\nimport pilcrow from './../theme/icons/pilcrow.svg';\nimport quote from './../theme/icons/quote.svg';\nimport threeVerticalDots from './../theme/icons/three-vertical-dots.svg';\n\nexport const icons = {\n\tcancel,\n\tcaption,\n\tcheck,\n\tcog,\n\teraser,\n\tlowVision,\n\timage,\n\n\talignBottom,\n\talignMiddle,\n\talignTop,\n\talignLeft,\n\talignCenter,\n\talignRight,\n\talignJustify,\n\n\tobjectLeft,\n\tobjectCenter,\n\tobjectRight,\n\tobjectFullWidth,\n\tobjectInline,\n\tobjectBlockLeft,\n\tobjectBlockRight,\n\n\tobjectSizeFull,\n\tobjectSizeLarge,\n\tobjectSizeSmall,\n\tobjectSizeMedium,\n\n\tpencil,\n\tpilcrow,\n\tquote,\n\tthreeVerticalDots\n};\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 16h9a1 1 0 0 1 0 2H2a1 1 0 0 1 0-2z\\\"/><path d=\\\"M17 1a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h14zm0 1.5H3a.5.5 0 0 0-.492.41L2.5 3v9a.5.5 0 0 0 .41.492L3 12.5h14a.5.5 0 0 0 .492-.41L17.5 12V3a.5.5 0 0 0-.41-.492L17 2.5z\\\" fill-opacity=\\\".6\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m11.333 2 .19 2.263a5.899 5.899 0 0 1 1.458.604L14.714 3.4 16.6 5.286l-1.467 1.733c.263.452.468.942.605 1.46L18 8.666v2.666l-2.263.19a5.899 5.899 0 0 1-.604 1.458l1.467 1.733-1.886 1.886-1.733-1.467a5.899 5.899 0 0 1-1.46.605L11.334 18H8.667l-.19-2.263a5.899 5.899 0 0 1-1.458-.604L5.286 16.6 3.4 14.714l1.467-1.733a5.899 5.899 0 0 1-.604-1.458L2 11.333V8.667l2.262-.189a5.899 5.899 0 0 1 .605-1.459L3.4 5.286 5.286 3.4l1.733 1.467a5.899 5.899 0 0 1 1.46-.605L8.666 2h2.666zM10 6.267a3.733 3.733 0 1 0 0 7.466 3.733 3.733 0 0 0 0-7.466z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m8.636 9.531-2.758 3.94a.5.5 0 0 0 .122.696l3.224 2.284h1.314l2.636-3.736L8.636 9.53zm.288 8.451L5.14 15.396a2 2 0 0 1-.491-2.786l6.673-9.53a2 2 0 0 1 2.785-.49l3.742 2.62a2 2 0 0 1 .491 2.785l-7.269 10.053-2.147-.066z\\\"/><path d=\\\"M4 18h5.523v-1H4zm-2 0h1v-1H2z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M5.085 6.22 2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 2.97V4.5H3.2v10.12l3.71-4.08zm10.27-7.51c.6 0 1.09.47 1.09 1.05v11.84c0 .59-.49 1.06-1.09 1.06H2.79c-.6 0-1.09-.47-1.09-1.06V4.08c0-.58.49-1.05 1.1-1.05h14.38zm-5.22 5.56a1.96 1.96 0 1 1 3.4-1.96 1.96 1.96 0 0 1-3.4 1.96z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m9.239 13.938-2.88-1.663a.75.75 0 0 1 .75-1.3L9 12.067V4.75a.75.75 0 1 1 1.5 0v7.318l1.89-1.093a.75.75 0 0 1 .75 1.3l-2.879 1.663a.752.752 0 0 1-.511.187.752.752 0 0 1-.511-.187zM4.25 17a.75.75 0 1 1 0-1.5h10.5a.75.75 0 0 1 0 1.5H4.25z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M9.75 11.875a.752.752 0 0 1 .508.184l2.883 1.666a.75.75 0 0 1-.659 1.344l-.091-.044-1.892-1.093.001 4.318a.75.75 0 1 1-1.5 0v-4.317l-1.89 1.092a.75.75 0 0 1-.75-1.3l2.879-1.663a.752.752 0 0 1 .51-.187zM15.25 9a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM9.75.375a.75.75 0 0 1 .75.75v4.318l1.89-1.093.092-.045a.75.75 0 0 1 .659 1.344l-2.883 1.667a.752.752 0 0 1-.508.184.752.752 0 0 1-.511-.187L6.359 5.65a.75.75 0 0 1 .75-1.299L9 5.442V1.125a.75.75 0 0 1 .75-.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m10.261 7.062 2.88 1.663a.75.75 0 0 1-.75 1.3L10.5 8.933v7.317a.75.75 0 1 1-1.5 0V8.932l-1.89 1.093a.75.75 0 0 1-.75-1.3l2.879-1.663a.752.752 0 0 1 .511-.187.752.752 0 0 1 .511.187zM15.25 4a.75.75 0 1 1 0 1.5H4.75a.75.75 0 0 1 0-1.5h10.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm2.286 4c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M18 3.75a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 8a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 4a.75.75 0 0 1-.75.75H7.321a.75.75 0 1 1 0-1.5h9.929a.75.75 0 0 1 .75.75zm0-8a.75.75 0 0 1-.75.75H7.321a.75.75 0 1 1 0-1.5h9.929a.75.75 0 0 1 .75.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path opacity=\\\".5\\\" d=\\\"M2 3h16v1.5H2zm11.5 9H18v1.5h-4.5zm0-3H18v1.5h-4.5zm0-3H18v1.5h-4.5zM2 15h16v1.5H2z\\\"/><path d=\\\"M12.003 7v5.5a1 1 0 0 1-1 1H2.996a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h8.007a1 1 0 0 1 1 1zm-1.506.5H3.5V12h6.997V7.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path opacity=\\\".5\\\" d=\\\"M2 3h16v1.5H2zm0 12h16v1.5H2z\\\"/><path d=\\\"M15.003 7v5.5a1 1 0 0 1-1 1H5.996a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h8.007a1 1 0 0 1 1 1zm-1.506.5H6.5V12h6.997V7.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path opacity=\\\".5\\\" d=\\\"M2 3h16v1.5H2zm0 12h16v1.5H2zm0-9h5v1.5H2zm0 3h5v1.5H2zm0 3h5v1.5H2z\\\"/><path d=\\\"M18.003 7v5.5a1 1 0 0 1-1 1H8.996a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h8.007a1 1 0 0 1 1 1zm-1.506.5H9.5V12h6.997V7.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path opacity=\\\".5\\\" d=\\\"M2 3h16v1.5H2zm0 12h16v1.5H2z\\\"/><path d=\\\"M18 7v5.5a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h14a1 1 0 0 1 1 1zm-1.505.5H3.504V12h12.991V7.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path opacity=\\\".5\\\" d=\\\"M2 3h16v1.5H2zm11.5 9H18v1.5h-4.5zM2 15h16v1.5H2z\\\"/><path d=\\\"M12.003 7v5.5a1 1 0 0 1-1 1H2.996a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h8.007a1 1 0 0 1 1 1zm-1.506.5H3.5V12h6.997V7.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path opacity=\\\".5\\\" d=\\\"M2 3h16v1.5H2zm0 12h16v1.5H2z\\\"/><path d=\\\"M12.003 7v5.5a1 1 0 0 1-1 1H2.996a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h8.007a1 1 0 0 1 1 1zm-1.506.5H3.5V12h6.997V7.5z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path opacity=\\\".5\\\" d=\\\"M2 3h16v1.5H2zm0 12h16v1.5H2z\\\"/><path d=\\\"M18.003 7v5.5a1 1 0 0 1-1 1H8.996a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h8.007a1 1 0 0 1 1 1zm-1.506.5H9.5V12h6.997V7.5z\\\"/></svg>\";","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"><path d=\\\"M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 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default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"><path d=\\\"M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z\\\"/><path d=\\\"M10 8H2a2 2 0 0 0-2 2v6a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2v-6a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5v-6a.5.5 0 0 1 .5-.5h8z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m7.3 17.37-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506 13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5 9.375 17H19v1.5H8z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M6.999 2H15a1 1 0 0 1 0 2h-1.004v13a1 1 0 1 1-2 0V4H8.999v13a1 1 0 1 1-2 0v-7A4 4 0 0 1 3 6a4 4 0 0 1 3.999-4z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/bindings/clickoutsidehandler\n */\n\n/* global document */\n\n/**\n * Handles clicking **outside** of a specified set of elements, then fires an action.\n *\n * **Note**: Actually, the action is executed upon `mousedown`, not `click`. It prevents\n * certain issues when the user keeps holding the mouse button and the UI cannot react\n * properly.\n *\n * @param {Object} options Configuration options.\n * @param {module:utils/dom/emittermixin~Emitter} options.emitter The emitter to which this behavior\n * should be added.\n * @param {Function} options.activator Function returning a `Boolean`, to determine whether the handler is active.\n * @param {Array.<HTMLElement>} options.contextElements HTML elements that determine the scope of the\n * handler. Clicking any of them or their descendants will **not** fire the callback.\n * @param {Function} options.callback An action executed by the handler.\n */\nexport default function clickOutsideHandler( { emitter, activator, callback, contextElements } ) {\n\temitter.listenTo( document, 'mousedown', ( evt, domEvt ) => {\n\t\tif ( !activator() ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Check if `composedPath` is `undefined` in case the browser does not support native shadow DOM.\n\t\t// Can be removed when all supported browsers support native shadow DOM.\n\t\tconst path = typeof domEvt.composedPath == 'function' ? domEvt.composedPath() : [];\n\n\t\tfor ( const contextElement of contextElements ) {\n\t\t\tif ( contextElement.contains( domEvt.target ) || path.includes( contextElement ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\tcallback();\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/bindings/injectcsstransitiondisabler\n */\n\n/**\n * A decorator that brings the possibility to temporarily disable CSS transitions using\n * {@link module:ui/view~View} methods. It is helpful when, for instance, the transitions should not happen\n * when the view is first displayed but they should work normal in other cases.\n *\n * The methods to control the CSS transitions are:\n * * `disableCssTransitions()` – Adds the `.ck-transitions-disabled` class to the\n * {@link module:ui/view~View#element view element}.\n * * `enableCssTransitions()` – Removes the `.ck-transitions-disabled` class from the\n * {@link module:ui/view~View#element view element}.\n *\n * **Note**: This helper extends the {@link module:ui/view~View#template template} and must be used **after**\n * {@link module:ui/view~View#setTemplate} is called:\n *\n *\t\timport injectCssTransitionDisabler from '@ckeditor/ckeditor5-ui/src/bindings/injectcsstransitiondisabler';\n *\n *\t\tclass MyView extends View {\n *\t\t\tconstructor() {\n *\t\t\t\tsuper();\n *\n *\t\t\t\t// ...\n *\n *\t\t\t\tthis.setTemplate( { ... } );\n *\n *\t\t\t\t// ...\n *\n *\t\t\t\tinjectCssTransitionDisabler( this );\n *\n *\t\t\t\t// ...\n *\t\t\t}\n *\t\t}\n *\n * The usage comes down to:\n *\n *\t\tconst view = new MyView();\n *\n *\t\t// ...\n *\n *\t\tview.disableCssTransitions();\n *\t\tview.show();\n *\t\tview.enableCssTransitions();\n *\n * @param {module:ui/view~View} view View instance that should get this functionality.\n */\nexport default function injectCssTransitionDisabler( view ) {\n\tview.set( '_isCssTransitionsDisabled', false );\n\n\tview.disableCssTransitions = () => {\n\t\tview._isCssTransitionsDisabled = true;\n\t};\n\n\tview.enableCssTransitions = () => {\n\t\tview._isCssTransitionsDisabled = false;\n\t};\n\n\tview.extendTemplate( {\n\t\tattributes: {\n\t\t\tclass: [\n\t\t\t\tview.bindTemplate.if( '_isCssTransitionsDisabled', 'ck-transitions-disabled' )\n\t\t\t]\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/bindings/submithandler\n */\n\n/**\n * A handler useful for {@link module:ui/view~View views} working as HTML forms. It intercepts a native DOM\n * `submit` event, prevents the default web browser behavior (navigation and page reload) and\n * fires the `submit` event on a view instead. Such a custom event can be then used by any\n * {@link module:utils/dom/emittermixin~Emitter emitter}, e.g. to serialize the form data.\n *\n *\t\timport submitHandler from '@ckeditor/ckeditor5-ui/src/bindings/submithandler';\n *\n *\t\t// ...\n *\n *\t\tclass AnyFormView extends View {\n *\t\t\tconstructor() {\n *\t\t\t\tsuper();\n *\n *\t\t\t\t// ...\n *\n *\t\t\t\tsubmitHandler( {\n *\t\t\t\t\tview: this\n *\t\t\t\t} );\n *\t\t\t}\n *\t\t}\n *\n *\t\t// ...\n *\n *\t\tconst view = new AnyFormView();\n *\n *\t\t// A sample listener attached by an emitter working with the view.\n *\t\tthis.listenTo( view, 'submit', () => {\n *\t\t\tsaveTheFormData();\n *\t\t\thideTheForm();\n *\t\t} );\n *\n * @param {Object} [options] Configuration options.\n * @param {module:ui/view~View} options.view The view which DOM `submit` events should be handled.\n */\nexport default function submitHandler( { view } ) {\n\tview.listenTo( view.element, 'submit', ( evt, domEvt ) => {\n\t\tdomEvt.preventDefault();\n\t\tview.fire( 'submit' );\n\t}, { useCapture: true } );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/viewcollection\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\n\n/**\n * Collects {@link module:ui/view~View} instances.\n *\n *\t\tconst parentView = new ParentView( locale );\n *\t\tconst collection = new ViewCollection( locale );\n *\n *\t\tcollection.setParent( parentView.element );\n *\n *\t\tconst viewA = new ChildView( locale );\n *\t\tconst viewB = new ChildView( locale );\n *\n * View collection renders and manages view {@link module:ui/view~View#element elements}:\n *\n *\t\tcollection.add( viewA );\n *\t\tcollection.add( viewB );\n *\n *\t\tconsole.log( parentView.element.firsChild ); // -> viewA.element\n *\t\tconsole.log( parentView.element.lastChild ); // -> viewB.element\n *\n * It {@link module:ui/viewcollection~ViewCollection#delegate propagates} DOM events too:\n *\n *\t\t// Delegate #click and #keydown events from viewA and viewB to the parentView.\n *\t\tcollection.delegate( 'click' ).to( parentView );\n *\n *\t\tparentView.on( 'click', ( evt ) => {\n *\t\t\tconsole.log( `${ evt.source } has been clicked.` );\n *\t\t} );\n *\n *\t\t// This event will be delegated to the parentView.\n *\t\tviewB.fire( 'click' );\n *\n * **Note**: A view collection can be used directly in the {@link module:ui/template~TemplateDefinition definition}\n * of a {@link module:ui/template~Template template}.\n *\n * @extends module:utils/collection~Collection\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class ViewCollection extends Collection {\n\t/**\n\t * Creates a new instance of the {@link module:ui/viewcollection~ViewCollection}.\n\t *\n\t * @param {Iterable.<module:ui/view~View>} [initialItems] The initial items of the collection.\n\t */\n\tconstructor( initialItems = [] ) {\n\t\tsuper( initialItems, {\n\t\t\t// An #id Number attribute should be legal and not break the `ViewCollection` instance.\n\t\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/93\n\t\t\tidProperty: 'viewUid'\n\t\t} );\n\n\t\t// Handle {@link module:ui/view~View#element} in DOM when a new view is added to the collection.\n\t\tthis.on( 'add', ( evt, view, index ) => {\n\t\t\tthis._renderViewIntoCollectionParent( view, index );\n\t\t} );\n\n\t\t// Handle {@link module:ui/view~View#element} in DOM when a view is removed from the collection.\n\t\tthis.on( 'remove', ( evt, view ) => {\n\t\t\tif ( view.element && this._parentElement ) {\n\t\t\t\tview.element.remove();\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * A parent element within which child views are rendered and managed in DOM.\n\t\t *\n\t\t * @protected\n\t\t * @member {HTMLElement}\n\t\t */\n\t\tthis._parentElement = null;\n\t}\n\n\t/**\n\t * Destroys the view collection along with child views.\n\t * See the view {@link module:ui/view~View#destroy} method.\n\t */\n\tdestroy() {\n\t\tthis.map( view => view.destroy() );\n\t}\n\n\t/**\n\t * Sets the parent HTML element of this collection. When parent is set, {@link #add adding} and\n\t * {@link #remove removing} views in the collection synchronizes their\n\t * {@link module:ui/view~View#element elements} in the parent element.\n\t *\n\t * @param {HTMLElement} element A new parent element.\n\t */\n\tsetParent( elementOrDocFragment ) {\n\t\tthis._parentElement = elementOrDocFragment;\n\n\t\t// Take care of the initial collection items passed to the constructor.\n\t\tfor ( const view of this ) {\n\t\t\tthis._renderViewIntoCollectionParent( view );\n\t\t}\n\t}\n\n\t/**\n\t * Delegates selected events coming from within views in the collection to any\n\t * {@link module:utils/emittermixin~Emitter}.\n\t *\n\t * For the following views and collection:\n\t *\n\t *\t\tconst viewA = new View();\n\t *\t\tconst viewB = new View();\n\t *\t\tconst viewC = new View();\n\t *\n\t *\t\tconst views = parentView.createCollection();\n\t *\n\t *\t\tviews.delegate( 'eventX' ).to( viewB );\n\t *\t\tviews.delegate( 'eventX', 'eventY' ).to( viewC );\n\t *\n\t *\t\tviews.add( viewA );\n\t *\n\t * the `eventX` is delegated (fired by) `viewB` and `viewC` along with `customData`:\n\t *\n\t *\t\tviewA.fire( 'eventX', customData );\n\t *\n\t * and `eventY` is delegated (fired by) `viewC` along with `customData`:\n\t *\n\t *\t\tviewA.fire( 'eventY', customData );\n\t *\n\t * See {@link module:utils/emittermixin~Emitter#delegate}.\n\t *\n\t * @param {...String} events {@link module:ui/view~View} event names to be delegated to another\n\t * {@link module:utils/emittermixin~Emitter}.\n\t * @returns {Object}\n\t * @returns {Function} return.to A function which accepts the destination of\n\t * {@link module:utils/emittermixin~Emitter#delegate delegated} events.\n\t */\n\tdelegate( ...events ) {\n\t\tif ( !events.length || !isStringArray( events ) ) {\n\t\t\t/**\n\t\t\t * All event names must be strings.\n\t\t\t *\n\t\t\t * @error ui-viewcollection-delegate-wrong-events\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'ui-viewcollection-delegate-wrong-events',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\treturn {\n\t\t\t/**\n\t\t\t * Selects destination for {@link module:utils/emittermixin~Emitter#delegate} events.\n\t\t\t *\n\t\t\t * @memberOf module:ui/viewcollection~ViewCollection#delegate\n\t\t\t * @function module:ui/viewcollection~ViewCollection#delegate.to\n\t\t\t * @param {module:utils/emittermixin~Emitter} dest An `Emitter` instance which is\n\t\t\t * the destination for delegated events.\n\t\t\t */\n\t\t\tto: dest => {\n\t\t\t\t// Activate delegating on existing views in this collection.\n\t\t\t\tfor ( const view of this ) {\n\t\t\t\t\tfor ( const evtName of events ) {\n\t\t\t\t\t\tview.delegate( evtName ).to( dest );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Activate delegating on future views in this collection.\n\t\t\t\tthis.on( 'add', ( evt, view ) => {\n\t\t\t\t\tfor ( const evtName of events ) {\n\t\t\t\t\t\tview.delegate( evtName ).to( dest );\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\t\t// Deactivate delegating when view is removed from this collection.\n\t\t\t\tthis.on( 'remove', ( evt, view ) => {\n\t\t\t\t\tfor ( const evtName of events ) {\n\t\t\t\t\t\tview.stopDelegating( evtName, dest );\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t}\n\t\t};\n\t}\n\n\t/**\n\t * This method {@link module:ui/view~View#render renders} a new view added to the collection.\n\t *\n\t * If the {@link #_parentElement parent element} of the collection is set, this method also adds\n\t * the view's {@link module:ui/view~View#element} as a child of the parent in DOM at a specified index.\n\t *\n\t * **Note**: If index is not specified, the view's element is pushed as the last child\n\t * of the parent element.\n\t *\n\t * @private\n\t * @param {module:ui/view~View} view A new view added to the collection.\n\t * @param {Number} [index] An index the view holds in the collection. When not specified,\n\t * the view is added at the end.\n\t */\n\t_renderViewIntoCollectionParent( view, index ) {\n\t\tif ( !view.isRendered ) {\n\t\t\tview.render();\n\t\t}\n\n\t\tif ( view.element && this._parentElement ) {\n\t\t\tthis._parentElement.insertBefore( view.element, this._parentElement.children[ index ] );\n\t\t}\n\t}\n\n\t/**\n\t * Removes a child view from the collection. If the {@link #setParent parent element} of the\n\t * collection has been set, the {@link module:ui/view~View#element element} of the view is also removed\n\t * in DOM, reflecting the order of the collection.\n\t *\n\t * See the {@link #add} method.\n\t *\n\t * @method #remove\n\t * @param {module:ui/view~View|Number|String} subject The view to remove, its id or index in the collection.\n\t * @returns {Object} The removed view.\n\t */\n}\n\n// Check if all entries of the array are of `String` type.\n//\n// @private\n// @param {Array} arr An array to be checked.\n// @returns {Boolean}\nfunction isStringArray( arr ) {\n\treturn arr.every( a => typeof a == 'string' );\n}\n","\n      import API from \"!../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../css-loader/dist/cjs.js!../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./globals.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../css-loader/dist/cjs.js!../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./globals.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/view\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport ViewCollection from './viewcollection';\nimport Template from './template';\nimport DomEmitterMixin from '@ckeditor/ckeditor5-utils/src/dom/emittermixin';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport isIterable from '@ckeditor/ckeditor5-utils/src/isiterable';\n\nimport '../theme/globals/globals.css';\n\n/**\n * The basic view class, which represents an HTML element created out of a\n * {@link module:ui/view~View#template}. Views are building blocks of the user interface and handle\n * interaction\n *\n * Views {@link module:ui/view~View#registerChild aggregate} children in\n * {@link module:ui/view~View#createCollection collections} and manage the life cycle of DOM\n * listeners e.g. by handling rendering and destruction.\n *\n * See the {@link module:ui/template~TemplateDefinition} syntax to learn more about shaping view\n * elements, attributes and listeners.\n *\n *\t\tclass SampleView extends View {\n *\t\t\tconstructor( locale ) {\n *\t\t\t\tsuper( locale );\n *\n *\t\t\t\tconst bind = this.bindTemplate;\n *\n *\t\t\t\t// Views define their interface (state) using observable attributes.\n *\t\t\t\tthis.set( 'elementClass', 'bar' );\n *\n *\t\t\t\tthis.setTemplate( {\n *\t\t\t\t\ttag: 'p',\n *\n *\t\t\t\t\t// The element of the view can be defined with its children.\n *\t\t\t\t\tchildren: [\n *\t\t\t\t\t\t'Hello',\n *\t\t\t\t\t\t{\n *\t\t\t\t\t\t\ttag: 'b',\n *\t\t\t\t\t\t\tchildren: [ 'world!' ]\n *\t\t\t\t\t\t}\n *\t\t\t\t\t],\n *\t\t\t\t\tattributes: {\n *\t\t\t\t\t\tclass: [\n *\t\t\t\t\t\t\t'foo',\n *\n *\t\t\t\t\t\t\t// Observable attributes control the state of the view in DOM.\n *\t\t\t\t\t\t\tbind.to( 'elementClass' )\n *\t\t\t\t\t\t]\n *\t\t\t\t\t},\n *\t\t\t\t\ton: {\n *\t\t\t\t\t\t// Views listen to DOM events and propagate them.\n *\t\t\t\t\t\tclick: bind.to( 'clicked' )\n *\t\t\t\t\t}\n *\t\t\t\t} );\n *\t\t\t}\n *\t\t}\n *\n *\t\tconst view = new SampleView( locale );\n *\n *\t\tview.render();\n *\n *\t\t// Append <p class=\"foo bar\">Hello<b>world</b></p> to the <body>\n *\t\tdocument.body.appendChild( view.element );\n *\n *\t\t// Change the class attribute to <p class=\"foo baz\">Hello<b>world</b></p>\n *\t\tview.elementClass = 'baz';\n *\n *\t\t// Respond to the \"click\" event in DOM by executing a custom action.\n *\t\tview.on( 'clicked', () => {\n *\t\t\tconsole.log( 'The view has been clicked!' );\n *\t\t} );\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class View {\n\t/**\n\t * Creates an instance of the {@link module:ui/view~View} class.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t */\n\tconstructor( locale ) {\n\t\t/**\n\t\t * An HTML element of the view. `null` until {@link #render rendered}\n\t\t * from the {@link #template}.\n\t\t *\n\t\t *\t\tclass SampleView extends View {\n\t\t *\t\t\tconstructor() {\n\t\t *\t\t\t\tsuper();\n\t\t *\n\t\t *\t\t\t\t// A template instance the #element will be created from.\n\t\t *\t\t\t\tthis.setTemplate( {\n\t\t *\t\t\t\t\ttag: 'p'\n\t\t *\n\t\t *\t\t\t\t\t// ...\n\t\t *\t\t\t\t} );\n\t\t *\t\t\t}\n\t\t *\t\t}\n\t\t *\n\t\t *\t\tconst view = new SampleView();\n\t\t *\n\t\t *\t\t// Renders the #template.\n\t\t *\t\tview.render();\n\t\t *\n\t\t *\t\t// Append the HTML element of the view to <body>.\n\t\t *\t\tdocument.body.appendChild( view.element );\n\t\t *\n\t\t * **Note**: The element of the view can also be assigned directly:\n\t\t *\n\t\t *\t\tview.element = document.querySelector( '#my-container' );\n\t\t *\n\t\t * @member {HTMLElement}\n\t\t */\n\t\tthis.element = null;\n\n\t\t/**\n\t\t * Set `true` when the view has already been {@link module:ui/view~View#render rendered}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isRendered\n\t\t */\n\t\tthis.isRendered = false;\n\n\t\t/**\n\t\t * A set of tools to localize the user interface.\n\t\t *\n\t\t * Also see {@link module:core/editor/editor~Editor#locale}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/locale~Locale}\n\t\t */\n\t\tthis.locale = locale;\n\n\t\t/**\n\t\t * Shorthand for {@link module:utils/locale~Locale#t}.\n\t\t *\n\t\t * Note: If {@link #locale} instance hasn't been passed to the view this method may not\n\t\t * be available.\n\t\t *\n\t\t * @see module:utils/locale~Locale#t\n\t\t * @method\n\t\t */\n\t\tthis.t = locale && locale.t;\n\n\t\t/**\n\t\t * Collections registered with {@link #createCollection}.\n\t\t *\n\t\t * @protected\n\t\t * @member {Set.<module:ui/viewcollection~ViewCollection>}\n\t\t */\n\t\tthis._viewCollections = new Collection();\n\n\t\t/**\n\t\t * A collection of view instances, which have been added directly\n\t\t * into the {@link module:ui/template~Template#children}.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._unboundChildren = this.createCollection();\n\n\t\t// Pass parent locale to its children.\n\t\tthis._viewCollections.on( 'add', ( evt, collection ) => {\n\t\t\tcollection.locale = locale;\n\t\t} );\n\n\t\t/**\n\t\t * Template of this view. It provides the {@link #element} representing\n\t\t * the view in DOM, which is {@link #render rendered}.\n\t\t *\n\t\t * @member {module:ui/template~Template} #template\n\t\t */\n\n\t\t/**\n\t\t * Cached {@link module:ui/template~BindChain bind chain} object created by the\n\t\t * {@link #template}. See {@link #bindTemplate}.\n\t\t *\n\t\t * @private\n\t\t * @member {Object} #_bindTemplate\n\t\t */\n\n\t\tthis.decorate( 'render' );\n\t}\n\n\t/**\n\t * Shorthand for {@link module:ui/template~Template.bind}, a binding\n\t * {@link module:ui/template~BindChain interface} pre–configured for the view instance.\n\t *\n\t * It provides {@link module:ui/template~BindChain#to `to()`} and\n\t * {@link module:ui/template~BindChain#if `if()`} methods that initialize bindings with\n\t * observable attributes and attach DOM listeners.\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor( locale ) {\n\t *\t\t\t\tsuper( locale );\n\t *\n\t *\t\t\t\tconst bind = this.bindTemplate;\n\t *\n\t *\t\t\t\t// These {@link module:utils/observablemixin~Observable observable} attributes will control\n\t *\t\t\t\t// the state of the view in DOM.\n\t *\t\t\t\tthis.set( {\n\t *\t\t\t\t\telementClass: 'foo',\n\t *\t\t\t\t \tisEnabled: true\n\t *\t\t\t\t } );\n\t *\n\t *\t\t\t\tthis.setTemplate( {\n\t *\t\t\t\t\ttag: 'p',\n\t *\n\t *\t\t\t\t\tattributes: {\n\t *\t\t\t\t\t\t// The class HTML attribute will follow elementClass\n\t *\t\t\t\t\t\t// and isEnabled view attributes.\n\t *\t\t\t\t\t\tclass: [\n\t *\t\t\t\t\t\t\tbind.to( 'elementClass' )\n\t *\t\t\t\t\t\t\tbind.if( 'isEnabled', 'present-when-enabled' )\n\t *\t\t\t\t\t\t]\n\t *\t\t\t\t\t},\n\t *\n\t *\t\t\t\t\ton: {\n\t *\t\t\t\t\t\t// The view will fire the \"clicked\" event upon clicking <p> in DOM.\n\t *\t\t\t\t\t\tclick: bind.to( 'clicked' )\n\t *\t\t\t\t\t}\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * @method #bindTemplate\n\t */\n\tget bindTemplate() {\n\t\tif ( this._bindTemplate ) {\n\t\t\treturn this._bindTemplate;\n\t\t}\n\n\t\treturn ( this._bindTemplate = Template.bind( this, this ) );\n\t}\n\n\t/**\n\t * Creates a new collection of views, which can be used as\n\t * {@link module:ui/template~Template#children} of this view.\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor( locale ) {\n\t *\t\t\t\tsuper( locale );\n\t *\n\t *\t\t\t\tconst child = new ChildView( locale );\n\t *\t\t\t\tthis.items = this.createCollection( [ child ] );\n \t *\n\t *\t\t\t\tthis.setTemplate( {\n\t *\t\t\t\t\ttag: 'p',\n\t *\n\t *\t\t\t\t\t// `items` collection will render here.\n\t *\t\t\t\t\tchildren: this.items\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst view = new SampleView( locale );\n\t *\t\tview.render();\n\t *\n\t *\t\t// It will append <p><child#element></p> to the <body>.\n\t *\t\tdocument.body.appendChild( view.element );\n\t *\n\t * @param {Iterable.<module:ui/view~View>} [views] Initial views of the collection.\n\t * @returns {module:ui/viewcollection~ViewCollection} A new collection of view instances.\n\t */\n\tcreateCollection( views ) {\n\t\tconst collection = new ViewCollection( views );\n\n\t\tthis._viewCollections.add( collection );\n\n\t\treturn collection;\n\t}\n\n\t/**\n\t * Registers a new child view under the view instance. Once registered, a child\n\t * view is managed by its parent, including {@link #render rendering}\n\t * and {@link #destroy destruction}.\n\t *\n\t * To revert this, use {@link #deregisterChild}.\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor( locale ) {\n\t *\t\t\t\tsuper( locale );\n\t *\n\t *\t\t\t\tthis.childA = new SomeChildView( locale );\n\t *\t\t\t\tthis.childB = new SomeChildView( locale );\n\t *\n\t *\t\t\t\tthis.setTemplate( { tag: 'p' } );\n\t *\n\t *\t\t\t\t// Register the children.\n\t *\t\t\t\tthis.registerChild( [ this.childA, this.childB ] );\n\t *\t\t\t}\n\t *\n\t *\t\t\trender() {\n\t *\t\t\t\tsuper.render();\n\t *\n\t *\t\t\t\tthis.element.appendChild( this.childA.element );\n\t *\t\t\t\tthis.element.appendChild( this.childB.element );\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst view = new SampleView( locale );\n\t *\n\t *\t\tview.render();\n\t *\n\t *\t\t// Will append <p><childA#element><b></b><childB#element></p>.\n\t *\t\tdocument.body.appendChild( view.element );\n\t *\n\t * **Note**: There's no need to add child views if they're already referenced in the\n\t * {@link #template}:\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor( locale ) {\n\t *\t\t\t\tsuper( locale );\n\t *\n\t *\t\t\t\tthis.childA = new SomeChildView( locale );\n\t *\t\t\t\tthis.childB = new SomeChildView( locale );\n\t *\n\t *\t\t\t\tthis.setTemplate( {\n\t *\t\t\t\t\ttag: 'p',\n\t *\n \t *\t\t\t\t\t// These children will be added automatically. There's no\n \t *\t\t\t\t\t// need to call {@link #registerChild} for any of them.\n\t *\t\t\t\t\tchildren: [ this.childA, this.childB ]\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\n\t *\t\t\t// ...\n\t *\t\t}\n\t *\n\t * @param {module:ui/view~View|Iterable.<module:ui/view~View>} children Children views to be registered.\n\t */\n\tregisterChild( children ) {\n\t\tif ( !isIterable( children ) ) {\n\t\t\tchildren = [ children ];\n\t\t}\n\n\t\tfor ( const child of children ) {\n\t\t\tthis._unboundChildren.add( child );\n\t\t}\n\t}\n\n\t/**\n\t * The opposite of {@link #registerChild}. Removes a child view from this view instance.\n\t * Once removed, the child is no longer managed by its parent, e.g. it can safely\n\t * become a child of another parent view.\n\t *\n\t * @see #registerChild\n\t * @param {module:ui/view~View|Iterable.<module:ui/view~View>} children Child views to be removed.\n\t */\n\tderegisterChild( children ) {\n\t\tif ( !isIterable( children ) ) {\n\t\t\tchildren = [ children ];\n\t\t}\n\n\t\tfor ( const child of children ) {\n\t\t\tthis._unboundChildren.remove( child );\n\t\t}\n\t}\n\n\t/**\n\t * Sets the {@link #template} of the view with with given definition.\n\t *\n\t * A shorthand for:\n\t *\n\t *\t\tview.setTemplate( definition );\n\t *\n\t * @param {module:ui/template~TemplateDefinition} definition Definition of view's template.\n\t */\n\tsetTemplate( definition ) {\n\t\tthis.template = new Template( definition );\n\t}\n\n\t/**\n\t * {@link module:ui/template~Template.extend Extends} the {@link #template} of the view with\n\t * with given definition.\n\t *\n\t * A shorthand for:\n\t *\n\t *\t\tTemplate.extend( view.template, definition );\n\t *\n\t * **Note**: Is requires the {@link #template} to be already set. See {@link #setTemplate}.\n\t *\n\t * @param {module:ui/template~TemplateDefinition} definition Definition which\n\t * extends the {@link #template}.\n\t */\n\textendTemplate( definition ) {\n\t\tTemplate.extend( this.template, definition );\n\t}\n\n\t/**\n\t * Recursively renders the view.\n\t *\n\t * Once the view is rendered:\n\t * * the {@link #element} becomes an HTML element out of {@link #template},\n\t * * the {@link #isRendered} flag is set `true`.\n\t *\n\t * **Note**: The children of the view:\n\t * * defined directly in the {@link #template}\n\t * * residing in collections created by the {@link #createCollection} method,\n\t * * and added by {@link #registerChild}\n\t * are also rendered in the process.\n\t *\n\t * In general, `render()` method is the right place to keep the code which refers to the\n\t * {@link #element} and should be executed at the very beginning of the view's life cycle.\n\t *\n\t * It is possible to {@link module:ui/template~Template.extend} the {@link #template} before\n\t * the view is rendered. To allow an early customization of the view (e.g. by its parent),\n\t * such references should be done in `render()`.\n\t *\n\t *\t\tclass SampleView extends View {\n\t *\t\t\tconstructor() {\n\t *\t\t\t\tthis.setTemplate( {\n\t *\t\t\t\t\t// ...\n\t *\t\t\t\t} );\n\t *\t\t\t},\n\t *\n\t *\t\t\trender() {\n\t *\t\t\t\t// View#element becomes available.\n\t *\t\t\t\tsuper.render();\n\t *\n\t *\t\t\t\t// The \"scroll\" listener depends on #element.\n\t *\t\t\t\tthis.listenTo( window, 'scroll', () => {\n\t *\t\t\t\t\t// A reference to #element would render the #template and make it non-extendable.\n\t *\t\t\t\t\tif ( window.scrollY > 0 ) {\n\t *\t\t\t\t\t\tthis.element.scrollLeft = 100;\n\t *\t\t\t\t\t} else {\n\t *\t\t\t\t\t\tthis.element.scrollLeft = 0;\n\t *\t\t\t\t\t}\n\t *\t\t\t\t} );\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t *\t\tconst view = new SampleView();\n\t *\n\t *\t\t// Let's customize the view before it gets rendered.\n\t *\t\tview.extendTemplate( {\n\t *\t\t\tattributes: {\n\t *\t\t\t\tclass: [\n\t *\t\t\t\t\t'additional-class'\n\t *\t\t\t\t]\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t *\t\t// Late rendering allows customization of the view.\n\t *\t\tview.render();\n\t */\n\trender() {\n\t\tif ( this.isRendered ) {\n\t\t\t/**\n\t\t\t * This View has already been rendered.\n\t\t\t *\n\t\t\t * @error ui-view-render-already-rendered\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'ui-view-render-already-rendered', this );\n\t\t}\n\n\t\t// Render #element of the view.\n\t\tif ( this.template ) {\n\t\t\tthis.element = this.template.render();\n\n\t\t\t// Auto–register view children from #template.\n\t\t\tthis.registerChild( this.template.getViews() );\n\t\t}\n\n\t\tthis.isRendered = true;\n\t}\n\n\t/**\n\t * Recursively destroys the view instance and child views added by {@link #registerChild} and\n\t * residing in collections created by the {@link #createCollection}.\n\t *\n\t * Destruction disables all event listeners:\n\t * * created on the view, e.g. `view.on( 'event', () => {} )`,\n\t * * defined in the {@link #template} for DOM events.\n\t */\n\tdestroy() {\n\t\tthis.stopListening();\n\n\t\tthis._viewCollections.map( c => c.destroy() );\n\n\t\t// Template isn't obligatory for views.\n\t\tif ( this.template && this.template._revertData ) {\n\t\t\tthis.template.revert( this.element );\n\t\t}\n\t}\n\n\t/**\n\t * Event fired by the {@link #render} method. Actual rendering is executed as a listener to\n\t * this event with the default priority.\n\t *\n\t * See {@link module:utils/observablemixin~ObservableMixin#decorate} for more information and samples.\n\t *\n\t * @event render\n\t */\n}\n\nmix( View, DomEmitterMixin );\nmix( View, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/template\n */\n\n/* global document */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport View from './view';\nimport ViewCollection from './viewcollection';\nimport isNode from '@ckeditor/ckeditor5-utils/src/dom/isnode';\nimport { isObject, cloneDeepWith } from 'lodash-es';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\nconst xhtmlNs = 'http://www.w3.org/1999/xhtml';\n\n/**\n * A basic Template class. It renders a DOM HTML element or text from a\n * {@link module:ui/template~TemplateDefinition definition} and supports element attributes, children,\n * bindings to {@link module:utils/observablemixin~Observable observables} and DOM event propagation.\n *\n * A simple template can look like this:\n *\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\tattributes: {\n *\t\t\t\tclass: 'foo',\n *\t\t\t\tstyle: {\n *\t\t\t\t\tbackgroundColor: 'yellow'\n *\t\t\t\t}\n *\t\t\t},\n *\t\t\ton: {\n *\t\t\t\tclick: bind.to( 'clicked' )\n *\t\t\t},\n *\t\t\tchildren: [\n *\t\t\t\t'A paragraph.'\n *\t\t\t]\n *\t\t} ).render();\n *\n * and it will render the following HTML element:\n *\n *\t\t<p class=\"foo\" style=\"background-color: yellow;\">A paragraph.</p>\n *\n * Additionally, the `observable` will always fire `clicked` upon clicking `<p>` in the DOM.\n *\n * See {@link module:ui/template~TemplateDefinition} to know more about templates and complex\n * template definitions.\n *\n* @mixes module:utils/emittermixin~EmitterMixin\n */\nexport default class Template {\n\t/**\n\t * Creates an instance of the {@link ~Template} class.\n\t *\n\t * @param {module:ui/template~TemplateDefinition} def The definition of the template.\n\t */\n\tconstructor( def ) {\n\t\tObject.assign( this, normalize( clone( def ) ) );\n\n\t\t/**\n\t\t * Indicates whether this particular Template instance has been\n\t\t * {@link #render rendered}.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._isRendered = false;\n\n\t\t/**\n\t\t * The tag (`tagName`) of this template, e.g. `div`. It also indicates that the template\n\t\t * renders to an HTML element.\n\t\t *\n\t\t * @member {String} #tag\n\t\t */\n\n\t\t/**\n\t\t * The text of the template. It also indicates that the template renders to a DOM text node.\n\t\t *\n\t\t * @member {Array.<String|module:ui/template~TemplateValueSchema>} #text\n\t\t */\n\n\t\t/**\n\t\t * The attributes of the template, e.g. `{ id: [ 'ck-id' ] }`, corresponding with\n\t\t * the attributes of an HTML element.\n\t\t *\n\t\t * **Note**: This property only makes sense when {@link #tag} is defined.\n\t\t *\n\t\t * @member {Object} #attributes\n\t\t */\n\n\t\t/**\n\t\t * The children of the template. They can be either:\n\t\t * * independent instances of {@link ~Template} (sub–templates),\n\t\t * * native DOM Nodes.\n\t\t *\n\t\t * **Note**: This property only makes sense when {@link #tag} is defined.\n\t\t *\n\t\t * @member {Array.<module:ui/template~Template|Node>} #children\n\t\t */\n\n\t\t/**\n\t\t * The DOM event listeners of the template.\n\t\t *\n\t\t * @member {Object} #eventListeners\n\t\t */\n\n\t\t/**\n\t\t * The data used by the {@link #revert} method to restore a node to its original state.\n\t\t *\n\t\t * See: {@link #apply}.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/template~RenderData}\n\t\t */\n\t\tthis._revertData = null;\n\t}\n\n\t/**\n\t * Renders a DOM Node (an HTML element or text) out of the template.\n\t *\n\t *\t\tconst domNode = new Template( { ... } ).render();\n\t *\n\t * See: {@link #apply}.\n\t *\n\t * @returns {HTMLElement|Text}\n\t */\n\trender() {\n\t\tconst node = this._renderNode( {\n\t\t\tintoFragment: true\n\t\t} );\n\n\t\tthis._isRendered = true;\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Applies the template to an existing DOM Node, either HTML element or text.\n\t *\n\t * **Note:** No new DOM nodes will be created. Applying extends:\n\t *\n\t * {@link module:ui/template~TemplateDefinition attributes},\n\t * {@link module:ui/template~TemplateDefinition event listeners}, and\n\t * `textContent` of {@link module:ui/template~TemplateDefinition children} only.\n\t *\n\t * **Note:** Existing `class` and `style` attributes are extended when a template\n\t * is applied to an HTML element, while other attributes and `textContent` are overridden.\n\t *\n\t * **Note:** The process of applying a template can be easily reverted using the\n\t * {@link module:ui/template~Template#revert} method.\n\t *\n\t *\t\tconst element = document.createElement( 'div' );\n\t *\t\tconst observable = new Model( { divClass: 'my-div' } );\n\t *\t\tconst emitter = Object.create( EmitterMixin );\n\t *\t\tconst bind = Template.bind( observable, emitter );\n\t *\n\t *\t\tnew Template( {\n\t *\t\t\tattributes: {\n\t *\t\t\t\tid: 'first-div',\n\t *\t\t\t\tclass: bind.to( 'divClass' )\n\t *\t\t\t},\n\t *\t\t\ton: {\n\t *\t\t\t\tclick: bind( 'elementClicked' ) // Will be fired by the observable.\n\t *\t\t\t},\n\t *\t\t\tchildren: [\n\t *\t\t\t\t'Div text.'\n\t *\t\t\t]\n\t *\t\t} ).apply( element );\n\t *\n\t *\t\tconsole.log( element.outerHTML ); // -> '<div id=\"first-div\" class=\"my-div\"></div>'\n\t *\n\t * @see module:ui/template~Template#render\n\t * @see module:ui/template~Template#revert\n\t * @param {Node} node Root node for the template to apply.\n\t */\n\tapply( node ) {\n\t\tthis._revertData = getEmptyRevertData();\n\n\t\tthis._renderNode( {\n\t\t\tnode,\n\t\t\tisApplying: true,\n\t\t\trevertData: this._revertData\n\t\t} );\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Reverts a template {@link module:ui/template~Template#apply applied} to a DOM node.\n\t *\n\t * @param {Node} node The root node for the template to revert. In most of the cases, it is the\n\t * same node used by {@link module:ui/template~Template#apply}.\n\t */\n\trevert( node ) {\n\t\tif ( !this._revertData ) {\n\t\t\t/**\n\t\t\t * Attempting to revert a template which has not been applied yet.\n\t\t\t *\n\t\t\t * @error ui-template-revert-not-applied\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'ui-template-revert-not-applied',\n\t\t\t\t[ this, node ]\n\t\t\t);\n\t\t}\n\n\t\tthis._revertTemplateFromNode( node, this._revertData );\n\t}\n\n\t/**\n\t * Returns an iterator which traverses the template in search of {@link module:ui/view~View}\n\t * instances and returns them one by one.\n\t *\n\t *\t\tconst viewFoo = new View();\n\t *\t\tconst viewBar = new View();\n\t *\t\tconst viewBaz = new View();\n\t *\t\tconst template = new Template( {\n\t *\t\t\ttag: 'div',\n\t *\t\t\tchildren: [\n\t *\t\t\t\tviewFoo,\n\t *\t\t\t\t{\n\t *\t\t\t\t\ttag: 'div',\n\t *\t\t\t\t\tchildren: [\n\t *\t\t\t\t\t\tviewBar\n\t *\t\t\t\t\t]\n\t *\t\t\t\t},\n\t *\t\t\t\tviewBaz\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t *\t\t// Logs: viewFoo, viewBar, viewBaz\n\t *\t\tfor ( const view of template.getViews() ) {\n\t *\t\t\tconsole.log( view );\n\t *\t\t}\n\t *\n\t * @returns {Iterable.<module:ui/view~View>}\n\t */\n\t* getViews() {\n\t\tfunction* search( def ) {\n\t\t\tif ( def.children ) {\n\t\t\t\tfor ( const child of def.children ) {\n\t\t\t\t\tif ( isView( child ) ) {\n\t\t\t\t\t\tyield child;\n\t\t\t\t\t} else if ( isTemplate( child ) ) {\n\t\t\t\t\t\tyield* search( child );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tyield* search( this );\n\t}\n\n\t/**\n\t * An entry point to the interface which binds DOM nodes to\n\t * {@link module:utils/observablemixin~Observable observables}.\n\t * There are two types of bindings:\n\t *\n\t * * HTML element attributes or text `textContent` synchronized with attributes of an\n\t * {@link module:utils/observablemixin~Observable}. Learn more about {@link module:ui/template~BindChain#to}\n\t * and {@link module:ui/template~BindChain#if}.\n\t *\n\t *\t\tconst bind = Template.bind( observable, emitter );\n\t *\n\t *\t\tnew Template( {\n\t *\t\t\tattributes: {\n\t *\t\t\t\t// Binds the element \"class\" attribute to observable#classAttribute.\n\t *\t\t\t\tclass: bind.to( 'classAttribute' )\n\t *\t\t\t}\n\t *\t\t} ).render();\n\t *\n\t * * DOM events fired on HTML element propagated through\n\t * {@link module:utils/observablemixin~Observable}. Learn more about {@link module:ui/template~BindChain#to}.\n\t *\n\t *\t\tconst bind = Template.bind( observable, emitter );\n\t *\n\t *\t\tnew Template( {\n\t *\t\t\ton: {\n\t *\t\t\t\t// Will be fired by the observable.\n\t *\t\t\t\tclick: bind( 'elementClicked' )\n\t *\t\t\t}\n\t *\t\t} ).render();\n\t *\n\t * Also see {@link module:ui/view~View#bindTemplate}.\n\t *\n\t * @param {module:utils/observablemixin~Observable} observable An observable which provides boundable attributes.\n\t * @param {module:utils/emittermixin~Emitter} emitter An emitter that listens to observable attribute\n\t * changes or DOM Events (depending on the kind of the binding). Usually, a {@link module:ui/view~View} instance.\n\t * @returns {module:ui/template~BindChain}\n\t */\n\tstatic bind( observable, emitter ) {\n\t\treturn {\n\t\t\tto( eventNameOrFunctionOrAttribute, callback ) {\n\t\t\t\treturn new TemplateToBinding( {\n\t\t\t\t\teventNameOrFunction: eventNameOrFunctionOrAttribute,\n\t\t\t\t\tattribute: eventNameOrFunctionOrAttribute,\n\t\t\t\t\tobservable, emitter, callback\n\t\t\t\t} );\n\t\t\t},\n\n\t\t\tif( attribute, valueIfTrue, callback ) {\n\t\t\t\treturn new TemplateIfBinding( {\n\t\t\t\t\tobservable, emitter, attribute, valueIfTrue, callback\n\t\t\t\t} );\n\t\t\t}\n\t\t};\n\t}\n\n\t/**\n\t * Extends an existing {@link module:ui/template~Template} instance with some additional content\n\t * from another {@link module:ui/template~TemplateDefinition}.\n\t *\n\t *\t\tconst bind = Template.bind( observable, emitter );\n\t *\n\t *\t\tconst template = new Template( {\n\t *\t\t\ttag: 'p',\n\t *\t\t\tattributes: {\n\t *\t\t\t\tclass: 'a',\n\t *\t\t\t\tdata-x: bind.to( 'foo' )\n\t *\t\t\t},\n\t *\t\t\tchildren: [\n\t *\t\t\t\t{\n\t *\t\t\t\t\ttag: 'span',\n\t *\t\t\t\t\tattributes: {\n\t *\t\t\t\t\t\tclass: 'b'\n\t *\t\t\t\t\t},\n\t *\t\t\t\t\tchildren: [\n\t *\t\t\t\t\t\t'Span'\n\t *\t\t\t\t\t]\n\t *\t\t\t\t}\n\t *\t\t\t]\n\t *\t\t } );\n\t *\n\t *\t\t// Instance-level extension.\n\t *\t\tTemplate.extend( template, {\n\t *\t\t\tattributes: {\n\t *\t\t\t\tclass: 'b',\n\t *\t\t\t\tdata-x: bind.to( 'bar' )\n\t *\t\t\t},\n\t *\t\t\tchildren: [\n\t *\t\t\t\t{\n\t *\t\t\t\t\tattributes: {\n\t *\t\t\t\t\t\tclass: 'c'\n\t *\t\t\t\t\t}\n\t *\t\t\t\t}\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t *\t\t// Child extension.\n\t *\t\tTemplate.extend( template.children[ 0 ], {\n\t *\t\t\tattributes: {\n\t *\t\t\t\tclass: 'd'\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * the `outerHTML` of `template.render()` is:\n\t *\n\t *\t\t<p class=\"a b\" data-x=\"{ observable.foo } { observable.bar }\">\n\t *\t\t\t<span class=\"b c d\">Span</span>\n\t *\t\t</p>\n\t *\n\t * @param {module:ui/template~Template} template An existing template instance to be extended.\n\t * @param {module:ui/template~TemplateDefinition} def Additional definition to be applied to a template.\n\t */\n\tstatic extend( template, def ) {\n\t\tif ( template._isRendered ) {\n\t\t\t/**\n\t\t\t * Extending a template after rendering may not work as expected. To make sure\n\t\t\t * the {@link module:ui/template~Template.extend extending} works for an element,\n\t\t\t * make sure it happens before {@link #render} is called.\n\t\t\t *\n\t\t\t * @error template-extend-render\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'template-extend-render',\n\t\t\t\t[ this, template ]\n\t\t\t);\n\t\t}\n\n\t\textendTemplate( template, normalize( clone( def ) ) );\n\t}\n\n\t/**\n\t * Renders a DOM Node (either an HTML element or text) out of the template.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderNode( data ) {\n\t\tlet isInvalid;\n\n\t\tif ( data.node ) {\n\t\t\t// When applying, a definition cannot have \"tag\" and \"text\" at the same time.\n\t\t\tisInvalid = this.tag && this.text;\n\t\t} else {\n\t\t\t// When rendering, a definition must have either \"tag\" or \"text\": XOR( this.tag, this.text ).\n\t\t\tisInvalid = this.tag ? this.text : !this.text;\n\t\t}\n\n\t\tif ( isInvalid ) {\n\t\t\t/**\n\t\t\t * Node definition cannot have the \"tag\" and \"text\" properties at the same time.\n\t\t\t * Node definition must have either \"tag\" or \"text\" when rendering a new Node.\n\t\t\t *\n\t\t\t * @error ui-template-wrong-syntax\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'ui-template-wrong-syntax',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tif ( this.text ) {\n\t\t\treturn this._renderText( data );\n\t\t} else {\n\t\t\treturn this._renderElement( data );\n\t\t}\n\t}\n\n\t/**\n\t * Renders an HTML element out of the template.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderElement( data ) {\n\t\tlet node = data.node;\n\n\t\tif ( !node ) {\n\t\t\tnode = data.node = document.createElementNS( this.ns || xhtmlNs, this.tag );\n\t\t}\n\n\t\tthis._renderAttributes( data );\n\t\tthis._renderElementChildren( data );\n\t\tthis._setUpListeners( data );\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Renders a text node out of {@link module:ui/template~Template#text}.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderText( data ) {\n\t\tlet node = data.node;\n\n\t\t// Save the original textContent to revert it in #revert().\n\t\tif ( node ) {\n\t\t\tdata.revertData.text = node.textContent;\n\t\t} else {\n\t\t\tnode = data.node = document.createTextNode( '' );\n\t\t}\n\n\t\t// Check if this Text Node is bound to Observable. Cases:\n\t\t//\n\t\t//\t\ttext: [ Template.bind( ... ).to( ... ) ]\n\t\t//\n\t\t//\t\ttext: [\n\t\t//\t\t\t'foo',\n\t\t//\t\t\tTemplate.bind( ... ).to( ... ),\n\t\t//\t\t\t...\n\t\t//\t\t]\n\t\t//\n\t\tif ( hasTemplateBinding( this.text ) ) {\n\t\t\tthis._bindToObservable( {\n\t\t\t\tschema: this.text,\n\t\t\t\tupdater: getTextUpdater( node ),\n\t\t\t\tdata\n\t\t\t} );\n\t\t}\n\t\t// Simply set text. Cases:\n\t\t//\n\t\t//\t\ttext: [ 'all', 'are', 'static' ]\n\t\t//\n\t\t//\t\ttext: [ 'foo' ]\n\t\t//\n\t\telse {\n\t\t\tnode.textContent = this.text.join( '' );\n\t\t}\n\n\t\treturn node;\n\t}\n\n\t/**\n\t * Renders HTML element attributes out of {@link module:ui/template~Template#attributes}.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderAttributes( data ) {\n\t\tlet attrName, attrValue, domAttrValue, attrNs;\n\n\t\tif ( !this.attributes ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst node = data.node;\n\t\tconst revertData = data.revertData;\n\n\t\tfor ( attrName in this.attributes ) {\n\t\t\t// Current attribute value in DOM.\n\t\t\tdomAttrValue = node.getAttribute( attrName );\n\n\t\t\t// The value to be set.\n\t\t\tattrValue = this.attributes[ attrName ];\n\n\t\t\t// Save revert data.\n\t\t\tif ( revertData ) {\n\t\t\t\trevertData.attributes[ attrName ] = domAttrValue;\n\t\t\t}\n\n\t\t\t// Detect custom namespace:\n\t\t\t//\n\t\t\t//\t\tclass: {\n\t\t\t//\t\t\tns: 'abc',\n\t\t\t//\t\t\tvalue: Template.bind( ... ).to( ... )\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\tattrNs = ( isObject( attrValue[ 0 ] ) && attrValue[ 0 ].ns ) ? attrValue[ 0 ].ns : null;\n\n\t\t\t// Activate binding if one is found. Cases:\n\t\t\t//\n\t\t\t//\t\tclass: [\n\t\t\t//\t\t\tTemplate.bind( ... ).to( ... )\n\t\t\t//\t\t]\n\t\t\t//\n\t\t\t//\t\tclass: [\n\t\t\t//\t\t\t'bar',\n\t\t\t//\t\t\tTemplate.bind( ... ).to( ... ),\n\t\t\t//\t\t\t'baz'\n\t\t\t//\t\t]\n\t\t\t//\n\t\t\t//\t\tclass: {\n\t\t\t//\t\t\tns: 'abc',\n\t\t\t//\t\t\tvalue: Template.bind( ... ).to( ... )\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\tif ( hasTemplateBinding( attrValue ) ) {\n\t\t\t\t// Normalize attributes with additional data like namespace:\n\t\t\t\t//\n\t\t\t\t//\t\tclass: {\n\t\t\t\t//\t\t\tns: 'abc',\n\t\t\t\t//\t\t\tvalue: [ ... ]\n\t\t\t\t//\t\t}\n\t\t\t\t//\n\t\t\t\tconst valueToBind = attrNs ? attrValue[ 0 ].value : attrValue;\n\n\t\t\t\t// Extend the original value of attributes like \"style\" and \"class\",\n\t\t\t\t// don't override them.\n\t\t\t\tif ( revertData && shouldExtend( attrName ) ) {\n\t\t\t\t\tvalueToBind.unshift( domAttrValue );\n\t\t\t\t}\n\n\t\t\t\tthis._bindToObservable( {\n\t\t\t\t\tschema: valueToBind,\n\t\t\t\t\tupdater: getAttributeUpdater( node, attrName, attrNs ),\n\t\t\t\t\tdata\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\t// Style attribute could be an Object so it needs to be parsed in a specific way.\n\t\t\t//\n\t\t\t//\t\tstyle: {\n\t\t\t//\t\t\twidth: '100px',\n\t\t\t//\t\t\theight: Template.bind( ... ).to( ... )\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\telse if ( attrName == 'style' && typeof attrValue[ 0 ] !== 'string' ) {\n\t\t\t\tthis._renderStyleAttribute( attrValue[ 0 ], data );\n\t\t\t}\n\n\t\t\t// Otherwise simply set the static attribute:\n\t\t\t//\n\t\t\t//\t\tclass: [ 'foo' ]\n\t\t\t//\n\t\t\t//\t\tclass: [ 'all', 'are', 'static' ]\n\t\t\t//\n\t\t\t//\t\tclass: [\n\t\t\t//\t\t\t{\n\t\t\t//\t\t\t\tns: 'abc',\n\t\t\t//\t\t\t\tvalue: [ 'foo' ]\n\t\t\t//\t\t\t}\n\t\t\t//\t\t]\n\t\t\t//\n\t\t\telse {\n\t\t\t\t// Extend the original value of attributes like \"style\" and \"class\",\n\t\t\t\t// don't override them.\n\t\t\t\tif ( revertData && domAttrValue && shouldExtend( attrName ) ) {\n\t\t\t\t\tattrValue.unshift( domAttrValue );\n\t\t\t\t}\n\n\t\t\t\tattrValue = attrValue\n\t\t\t\t\t// Retrieve \"values\" from:\n\t\t\t\t\t//\n\t\t\t\t\t//\t\tclass: [\n\t\t\t\t\t//\t\t\t{\n\t\t\t\t\t//\t\t\t\tns: 'abc',\n\t\t\t\t\t//\t\t\t\tvalue: [ ... ]\n\t\t\t\t\t//\t\t\t}\n\t\t\t\t\t//\t\t]\n\t\t\t\t\t//\n\t\t\t\t\t.map( val => val ? ( val.value || val ) : val )\n\t\t\t\t\t// Flatten the array.\n\t\t\t\t\t.reduce( ( prev, next ) => prev.concat( next ), [] )\n\t\t\t\t\t// Convert into string.\n\t\t\t\t\t.reduce( arrayValueReducer, '' );\n\n\t\t\t\tif ( !isFalsy( attrValue ) ) {\n\t\t\t\t\tnode.setAttributeNS( attrNs, attrName, attrValue );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Renders the `style` attribute of an HTML element based on\n\t * {@link module:ui/template~Template#attributes}.\n\t *\n\t * A style attribute is an {Object} with static values:\n\t *\n\t *\t\tattributes: {\n\t *\t\t\tstyle: {\n\t *\t\t\t\tcolor: 'red'\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * or values bound to {@link module:ui/model~Model} properties:\n\t *\n\t *\t\tattributes: {\n\t *\t\t\tstyle: {\n\t *\t\t\t\tcolor: bind.to( ... )\n\t *\t\t\t}\n\t *\t\t}\n\t *\n\t * Note: The `style` attribute is rendered without setting the namespace. It does not seem to be\n\t * needed.\n\t *\n\t * @private\n\t * @param {Object} styles Styles located in `attributes.style` of {@link module:ui/template~TemplateDefinition}.\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderStyleAttribute( styles, data ) {\n\t\tconst node = data.node;\n\n\t\tfor ( const styleName in styles ) {\n\t\t\tconst styleValue = styles[ styleName ];\n\n\t\t\t// Cases:\n\t\t\t//\n\t\t\t//\t\tstyle: {\n\t\t\t//\t\t\tcolor: bind.to( 'attribute' )\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\tif ( hasTemplateBinding( styleValue ) ) {\n\t\t\t\tthis._bindToObservable( {\n\t\t\t\t\tschema: [ styleValue ],\n\t\t\t\t\tupdater: getStyleUpdater( node, styleName ),\n\t\t\t\t\tdata\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\t// Cases:\n\t\t\t//\n\t\t\t//\t\tstyle: {\n\t\t\t//\t\t\tcolor: 'red'\n\t\t\t//\t\t}\n\t\t\t//\n\t\t\telse {\n\t\t\t\tnode.style[ styleName ] = styleValue;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Recursively renders HTML element's children from {@link module:ui/template~Template#children}.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_renderElementChildren( data ) {\n\t\tconst node = data.node;\n\t\tconst container = data.intoFragment ? document.createDocumentFragment() : node;\n\t\tconst isApplying = data.isApplying;\n\t\tlet childIndex = 0;\n\n\t\tfor ( const child of this.children ) {\n\t\t\tif ( isViewCollection( child ) ) {\n\t\t\t\tif ( !isApplying ) {\n\t\t\t\t\tchild.setParent( node );\n\n\t\t\t\t\t// Note: ViewCollection renders its children.\n\t\t\t\t\tfor ( const view of child ) {\n\t\t\t\t\t\tcontainer.appendChild( view.element );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} else if ( isView( child ) ) {\n\t\t\t\tif ( !isApplying ) {\n\t\t\t\t\tif ( !child.isRendered ) {\n\t\t\t\t\t\tchild.render();\n\t\t\t\t\t}\n\n\t\t\t\t\tcontainer.appendChild( child.element );\n\t\t\t\t}\n\t\t\t} else if ( isNode( child ) ) {\n\t\t\t\tcontainer.appendChild( child );\n\t\t\t} else {\n\t\t\t\tif ( isApplying ) {\n\t\t\t\t\tconst revertData = data.revertData;\n\t\t\t\t\tconst childRevertData = getEmptyRevertData();\n\n\t\t\t\t\trevertData.children.push( childRevertData );\n\n\t\t\t\t\tchild._renderNode( {\n\t\t\t\t\t\tnode: container.childNodes[ childIndex++ ],\n\t\t\t\t\t\tisApplying: true,\n\t\t\t\t\t\trevertData: childRevertData\n\t\t\t\t\t} );\n\t\t\t\t} else {\n\t\t\t\t\tcontainer.appendChild( child.render() );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif ( data.intoFragment ) {\n\t\t\tnode.appendChild( container );\n\t\t}\n\t}\n\n\t/**\n\t * Activates `on` event listeners from the {@link module:ui/template~TemplateDefinition}\n\t * on an HTML element.\n\t *\n\t * @protected\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t */\n\t_setUpListeners( data ) {\n\t\tif ( !this.eventListeners ) {\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const key in this.eventListeners ) {\n\t\t\tconst revertBindings = this.eventListeners[ key ].map( schemaItem => {\n\t\t\t\tconst [ domEvtName, domSelector ] = key.split( '@' );\n\n\t\t\t\treturn schemaItem.activateDomEventListener( domEvtName, domSelector, data );\n\t\t\t} );\n\n\t\t\tif ( data.revertData ) {\n\t\t\t\tdata.revertData.bindings.push( revertBindings );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * For a given {@link module:ui/template~TemplateValueSchema} containing {@link module:ui/template~TemplateBinding}\n\t * activates the binding and sets its initial value.\n\t *\n\t * Note: {@link module:ui/template~TemplateValueSchema} can be for HTML element attributes or\n\t * text node `textContent`.\n\t *\n\t * @protected\n\t * @param {Object} options Binding options.\n\t * @param {module:ui/template~TemplateValueSchema} options.schema\n\t * @param {Function} options.updater A function which updates the DOM (like attribute or text).\n\t * @param {module:ui/template~RenderData} options.data Rendering data.\n\t */\n\t_bindToObservable( { schema, updater, data } ) {\n\t\tconst revertData = data.revertData;\n\n\t\t// Set initial values.\n\t\tsyncValueSchemaValue( schema, updater, data );\n\n\t\tconst revertBindings = schema\n\t\t\t// Filter \"falsy\" (false, undefined, null, '') value schema components out.\n\t\t\t.filter( item => !isFalsy( item ) )\n\t\t\t// Filter inactive bindings from schema, like static strings ('foo'), numbers (42), etc.\n\t\t\t.filter( item => item.observable )\n\t\t\t// Once only the actual binding are left, let the emitter listen to observable change:attribute event.\n\t\t\t// TODO: Reduce the number of listeners attached as many bindings may listen\n\t\t\t// to the same observable attribute.\n\t\t\t.map( templateBinding => templateBinding.activateAttributeListener( schema, updater, data ) );\n\n\t\tif ( revertData ) {\n\t\t\trevertData.bindings.push( revertBindings );\n\t\t}\n\t}\n\n\t/**\n\t * Reverts {@link module:ui/template~RenderData#revertData template data} from a node to\n\t * return it to the original state.\n\t *\n\t * @protected\n\t * @param {HTMLElement|Text} node A node to be reverted.\n\t * @param {Object} revertData An object that stores information about what changes have been made by\n\t * {@link #apply} to the node. See {@link module:ui/template~RenderData#revertData} for more information.\n\t */\n\t_revertTemplateFromNode( node, revertData ) {\n\t\tfor ( const binding of revertData.bindings ) {\n\t\t\t// Each binding may consist of several observable+observable#attribute.\n\t\t\t// like the following has 2:\n\t\t\t//\n\t\t\t//\t\tclass: [\n\t\t\t//\t\t\t'x',\n\t\t\t//\t\t\tbind.to( 'foo' ),\n\t\t\t//\t\t\t'y',\n\t\t\t//\t\t\tbind.to( 'bar' )\n\t\t\t//\t\t]\n\t\t\t//\n\t\t\tfor ( const revertBinding of binding ) {\n\t\t\t\trevertBinding();\n\t\t\t}\n\t\t}\n\n\t\tif ( revertData.text ) {\n\t\t\tnode.textContent = revertData.text;\n\n\t\t\treturn;\n\t\t}\n\n\t\tfor ( const attrName in revertData.attributes ) {\n\t\t\tconst attrValue = revertData.attributes[ attrName ];\n\n\t\t\t// When the attribute has **not** been set before #apply().\n\t\t\tif ( attrValue === null ) {\n\t\t\t\tnode.removeAttribute( attrName );\n\t\t\t} else {\n\t\t\t\tnode.setAttribute( attrName, attrValue );\n\t\t\t}\n\t\t}\n\n\t\tfor ( let i = 0; i < revertData.children.length; ++i ) {\n\t\t\tthis._revertTemplateFromNode( node.childNodes[ i ], revertData.children[ i ] );\n\t\t}\n\t}\n}\n\nmix( Template, EmitterMixin );\n\n/**\n * Describes a binding created by the {@link module:ui/template~Template.bind} interface.\n *\n * @protected\n */\nexport class TemplateBinding {\n\t/**\n\t * Creates an instance of the {@link module:ui/template~TemplateBinding} class.\n\t *\n\t * @param {module:ui/template~TemplateDefinition} def The definition of the binding.\n\t */\n\tconstructor( def ) {\n\t\tObject.assign( this, def );\n\n\t\t/**\n\t\t * An observable instance of the binding. It either:\n\t\t *\n\t\t * * provides the attribute with the value,\n\t\t * * or passes the event when a corresponding DOM event is fired.\n\t\t *\n\t\t * @member {module:utils/observablemixin~ObservableMixin} module:ui/template~TemplateBinding#observable\n\t\t */\n\n\t\t/**\n\t\t * An {@link module:utils/emittermixin~Emitter} used by the binding to:\n\t\t *\n\t\t * * listen to the attribute change in the {@link module:ui/template~TemplateBinding#observable},\n\t\t * * or listen to the event in the DOM.\n\t\t *\n\t\t * @member {module:utils/emittermixin~EmitterMixin} module:ui/template~TemplateBinding#emitter\n\t\t */\n\n\t\t/**\n\t\t * The name of the {@link module:ui/template~TemplateBinding#observable observed attribute}.\n\t\t *\n\t\t * @member {String} module:ui/template~TemplateBinding#attribute\n\t\t */\n\n\t\t/**\n\t\t * A custom function to process the value of the {@link module:ui/template~TemplateBinding#attribute}.\n\t\t *\n\t\t * @member {Function} [module:ui/template~TemplateBinding#callback]\n\t\t */\n\t}\n\n\t/**\n\t * Returns the value of the binding. It is the value of the {@link module:ui/template~TemplateBinding#attribute} in\n\t * {@link module:ui/template~TemplateBinding#observable}. The value may be processed by the\n\t * {@link module:ui/template~TemplateBinding#callback}, if such has been passed to the binding.\n\t *\n\t * @param {Node} [node] A native DOM node, passed to the custom {@link module:ui/template~TemplateBinding#callback}.\n\t * @returns {*} The value of {@link module:ui/template~TemplateBinding#attribute} in\n\t * {@link module:ui/template~TemplateBinding#observable}.\n\t */\n\tgetValue( node ) {\n\t\tconst value = this.observable[ this.attribute ];\n\n\t\treturn this.callback ? this.callback( value, node ) : value;\n\t}\n\n\t/**\n\t * Activates the listener which waits for changes of the {@link module:ui/template~TemplateBinding#attribute} in\n\t * {@link module:ui/template~TemplateBinding#observable}, then updates the DOM with the aggregated\n\t * value of {@link module:ui/template~TemplateValueSchema}.\n\t *\n\t * @param {module:ui/template~TemplateValueSchema} schema A full schema to generate an attribute or text in the DOM.\n\t * @param {Function} updater A DOM updater function used to update the native DOM attribute or text.\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t * @returns {Function} A function to sever the listener binding.\n\t */\n\tactivateAttributeListener( schema, updater, data ) {\n\t\tconst callback = () => syncValueSchemaValue( schema, updater, data );\n\n\t\tthis.emitter.listenTo( this.observable, 'change:' + this.attribute, callback );\n\n\t\t// Allows revert of the listener.\n\t\treturn () => {\n\t\t\tthis.emitter.stopListening( this.observable, 'change:' + this.attribute, callback );\n\t\t};\n\t}\n}\n\n/**\n * Describes either:\n *\n * * a binding to an {@link module:utils/observablemixin~Observable},\n * * or a native DOM event binding.\n *\n * It is created by the {@link module:ui/template~BindChain#to} method.\n *\n * @protected\n */\nexport class TemplateToBinding extends TemplateBinding {\n\t/**\n\t * Activates the listener for the native DOM event, which when fired, is propagated by\n\t * the {@link module:ui/template~TemplateBinding#emitter}.\n\t *\n\t * @param {String} domEvtName The name of the native DOM event.\n\t * @param {String} domSelector The selector in the DOM to filter delegated events.\n\t * @param {module:ui/template~RenderData} data Rendering data.\n\t * @returns {Function} A function to sever the listener binding.\n\t */\n\tactivateDomEventListener( domEvtName, domSelector, data ) {\n\t\tconst callback = ( evt, domEvt ) => {\n\t\t\tif ( !domSelector || domEvt.target.matches( domSelector ) ) {\n\t\t\t\tif ( typeof this.eventNameOrFunction == 'function' ) {\n\t\t\t\t\tthis.eventNameOrFunction( domEvt );\n\t\t\t\t} else {\n\t\t\t\t\tthis.observable.fire( this.eventNameOrFunction, domEvt );\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\n\t\tthis.emitter.listenTo( data.node, domEvtName, callback );\n\n\t\t// Allows revert of the listener.\n\t\treturn () => {\n\t\t\tthis.emitter.stopListening( data.node, domEvtName, callback );\n\t\t};\n\t}\n}\n\n/**\n * Describes a binding to {@link module:utils/observablemixin~ObservableMixin} created by the {@link module:ui/template~BindChain#if}\n * method.\n *\n * @protected\n */\nexport class TemplateIfBinding extends TemplateBinding {\n\t/**\n\t * @inheritDoc\n\t */\n\tgetValue( node ) {\n\t\tconst value = super.getValue( node );\n\n\t\treturn isFalsy( value ) ? false : ( this.valueIfTrue || true );\n\t}\n\n\t/**\n\t * The value of the DOM attribute or text to be set if the {@link module:ui/template~TemplateBinding#attribute} in\n\t * {@link module:ui/template~TemplateBinding#observable} is `true`.\n\t *\n\t * @member {String} [module:ui/template~TemplateIfBinding#valueIfTrue]\n\t */\n}\n\n// Checks whether given {@link module:ui/template~TemplateValueSchema} contains a\n// {@link module:ui/template~TemplateBinding}.\n//\n// @param {module:ui/template~TemplateValueSchema} schema\n// @returns {Boolean}\nfunction hasTemplateBinding( schema ) {\n\tif ( !schema ) {\n\t\treturn false;\n\t}\n\n\t// Normalize attributes with additional data like namespace:\n\t//\n\t//\t\tclass: {\n\t//\t\t\tns: 'abc',\n\t//\t\t\tvalue: [ ... ]\n\t//\t\t}\n\t//\n\tif ( schema.value ) {\n\t\tschema = schema.value;\n\t}\n\n\tif ( Array.isArray( schema ) ) {\n\t\treturn schema.some( hasTemplateBinding );\n\t} else if ( schema instanceof TemplateBinding ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n// Assembles the value using {@link module:ui/template~TemplateValueSchema} and stores it in a form of\n// an Array. Each entry of the Array corresponds to one of {@link module:ui/template~TemplateValueSchema}\n// items.\n//\n// @param {module:ui/template~TemplateValueSchema} schema\n// @param {Node} node DOM Node updated when {@link module:utils/observablemixin~ObservableMixin} changes.\n// @returns {Array}\nfunction getValueSchemaValue( schema, node ) {\n\treturn schema.map( schemaItem => {\n\t\t// Process {@link module:ui/template~TemplateBinding} bindings.\n\t\tif ( schemaItem instanceof TemplateBinding ) {\n\t\t\treturn schemaItem.getValue( node );\n\t\t}\n\n\t\t// All static values like strings, numbers, and \"falsy\" values (false, null, undefined, '', etc.) just pass.\n\t\treturn schemaItem;\n\t} );\n}\n\n// A function executed each time the bound Observable attribute changes, which updates the DOM with a value\n// constructed from {@link module:ui/template~TemplateValueSchema}.\n//\n// @param {module:ui/template~TemplateValueSchema} schema\n// @param {Function} updater A function which updates the DOM (like attribute or text).\n// @param {Node} node DOM Node updated when {@link module:utils/observablemixin~ObservableMixin} changes.\nfunction syncValueSchemaValue( schema, updater, { node } ) {\n\tlet value = getValueSchemaValue( schema, node );\n\n\t// Check if schema is a single Template.bind.if, like:\n\t//\n\t//\t\tclass: Template.bind.if( 'foo' )\n\t//\n\tif ( schema.length == 1 && schema[ 0 ] instanceof TemplateIfBinding ) {\n\t\tvalue = value[ 0 ];\n\t} else {\n\t\tvalue = value.reduce( arrayValueReducer, '' );\n\t}\n\n\tif ( isFalsy( value ) ) {\n\t\tupdater.remove();\n\t} else {\n\t\tupdater.set( value );\n\t}\n}\n\n// Returns an object consisting of `set` and `remove` functions, which\n// can be used in the context of DOM Node to set or reset `textContent`.\n// @see module:ui/view~View#_bindToObservable\n//\n// @param {Node} node DOM Node to be modified.\n// @returns {Object}\nfunction getTextUpdater( node ) {\n\treturn {\n\t\tset( value ) {\n\t\t\tnode.textContent = value;\n\t\t},\n\n\t\tremove() {\n\t\t\tnode.textContent = '';\n\t\t}\n\t};\n}\n\n// Returns an object consisting of `set` and `remove` functions, which\n// can be used in the context of DOM Node to set or reset an attribute.\n// @see module:ui/view~View#_bindToObservable\n//\n// @param {Node} node DOM Node to be modified.\n// @param {String} attrName Name of the attribute to be modified.\n// @param {String} [ns=null] Namespace to use.\n// @returns {Object}\nfunction getAttributeUpdater( el, attrName, ns ) {\n\treturn {\n\t\tset( value ) {\n\t\t\tel.setAttributeNS( ns, attrName, value );\n\t\t},\n\n\t\tremove() {\n\t\t\tel.removeAttributeNS( ns, attrName );\n\t\t}\n\t};\n}\n\n// Returns an object consisting of `set` and `remove` functions, which\n// can be used in the context of CSSStyleDeclaration to set or remove a style.\n// @see module:ui/view~View#_bindToObservable\n//\n// @param {Node} node DOM Node to be modified.\n// @param {String} styleName Name of the style to be modified.\n// @returns {Object}\nfunction getStyleUpdater( el, styleName ) {\n\treturn {\n\t\tset( value ) {\n\t\t\tel.style[ styleName ] = value;\n\t\t},\n\n\t\tremove() {\n\t\t\tel.style[ styleName ] = null;\n\t\t}\n\t};\n}\n\n// Clones definition of the template.\n//\n// @param {module:ui/template~TemplateDefinition} def\n// @returns {module:ui/template~TemplateDefinition}\nfunction clone( def ) {\n\tconst clone = cloneDeepWith( def, value => {\n\t\t// Don't clone the `Template.bind`* bindings because of the references to Observable\n\t\t// and DomEmitterMixin instances inside, which would also be traversed and cloned by greedy\n\t\t// cloneDeepWith algorithm. There's no point in cloning Observable/DomEmitterMixins\n\t\t// along with the definition.\n\t\t//\n\t\t// Don't clone Template instances if provided as a child. They're simply #render()ed\n\t\t// and nothing should interfere.\n\t\t//\n\t\t// Also don't clone View instances if provided as a child of the Template. The template\n\t\t// instance will be extracted from the View during the normalization and there's no need\n\t\t// to clone it.\n\t\tif ( value && ( value instanceof TemplateBinding || isTemplate( value ) || isView( value ) || isViewCollection( value ) ) ) {\n\t\t\treturn value;\n\t\t}\n\t} );\n\n\treturn clone;\n}\n\n// Normalizes given {@link module:ui/template~TemplateDefinition}.\n//\n// See:\n//  * {@link normalizeAttributes}\n//  * {@link normalizeListeners}\n//  * {@link normalizePlainTextDefinition}\n//  * {@link normalizeTextDefinition}\n//\n// @param {module:ui/template~TemplateDefinition} def\n// @returns {module:ui/template~TemplateDefinition} Normalized definition.\nfunction normalize( def ) {\n\tif ( typeof def == 'string' ) {\n\t\tdef = normalizePlainTextDefinition( def );\n\t} else if ( def.text ) {\n\t\tnormalizeTextDefinition( def );\n\t}\n\n\tif ( def.on ) {\n\t\tdef.eventListeners = normalizeListeners( def.on );\n\n\t\t// Template mixes EmitterMixin, so delete #on to avoid collision.\n\t\tdelete def.on;\n\t}\n\n\tif ( !def.text ) {\n\t\tif ( def.attributes ) {\n\t\t\tnormalizeAttributes( def.attributes );\n\t\t}\n\n\t\tconst children = [];\n\n\t\tif ( def.children ) {\n\t\t\tif ( isViewCollection( def.children ) ) {\n\t\t\t\tchildren.push( def.children );\n\t\t\t} else {\n\t\t\t\tfor ( const child of def.children ) {\n\t\t\t\t\tif ( isTemplate( child ) || isView( child ) || isNode( child ) ) {\n\t\t\t\t\t\tchildren.push( child );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tchildren.push( new Template( child ) );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tdef.children = children;\n\t}\n\n\treturn def;\n}\n\n// Normalizes \"attributes\" section of {@link module:ui/template~TemplateDefinition}.\n//\n//\t\tattributes: {\n//\t\t\ta: 'bar',\n//\t\t\tb: {@link module:ui/template~TemplateBinding},\n//\t\t\tc: {\n//\t\t\t\tvalue: 'bar'\n//\t\t\t}\n//\t\t}\n//\n// becomes\n//\n//\t\tattributes: {\n//\t\t\ta: [ 'bar' ],\n//\t\t\tb: [ {@link module:ui/template~TemplateBinding} ],\n//\t\t\tc: {\n//\t\t\t\tvalue: [ 'bar' ]\n//\t\t\t}\n//\t\t}\n//\n// @param {Object} attributes\nfunction normalizeAttributes( attributes ) {\n\tfor ( const a in attributes ) {\n\t\tif ( attributes[ a ].value ) {\n\t\t\tattributes[ a ].value = toArray( attributes[ a ].value );\n\t\t}\n\n\t\tarrayify( attributes, a );\n\t}\n}\n\n// Normalizes \"on\" section of {@link module:ui/template~TemplateDefinition}.\n//\n//\t\ton: {\n//\t\t\ta: 'bar',\n//\t\t\tb: {@link module:ui/template~TemplateBinding},\n//\t\t\tc: [ {@link module:ui/template~TemplateBinding}, () => { ... } ]\n//\t\t}\n//\n// becomes\n//\n//\t\ton: {\n//\t\t\ta: [ 'bar' ],\n//\t\t\tb: [ {@link module:ui/template~TemplateBinding} ],\n//\t\t\tc: [ {@link module:ui/template~TemplateBinding}, () => { ... } ]\n//\t\t}\n//\n// @param {Object} listeners\n// @returns {Object} Object containing normalized listeners.\nfunction normalizeListeners( listeners ) {\n\tfor ( const l in listeners ) {\n\t\tarrayify( listeners, l );\n\t}\n\n\treturn listeners;\n}\n\n// Normalizes \"string\" {@link module:ui/template~TemplateDefinition}.\n//\n//\t\t\"foo\"\n//\n// becomes\n//\n//\t\t{ text: [ 'foo' ] },\n//\n// @param {String} def\n// @returns {module:ui/template~TemplateDefinition} Normalized template definition.\nfunction normalizePlainTextDefinition( def ) {\n\treturn {\n\t\ttext: [ def ]\n\t};\n}\n\n// Normalizes text {@link module:ui/template~TemplateDefinition}.\n//\n//\t\tchildren: [\n//\t\t\t{ text: 'def' },\n//\t\t\t{ text: {@link module:ui/template~TemplateBinding} }\n//\t\t]\n//\n// becomes\n//\n//\t\tchildren: [\n//\t\t\t{ text: [ 'def' ] },\n//\t\t\t{ text: [ {@link module:ui/template~TemplateBinding} ] }\n//\t\t]\n//\n// @param {module:ui/template~TemplateDefinition} def\nfunction normalizeTextDefinition( def ) {\n\tdef.text = toArray( def.text );\n}\n\n// Wraps an entry in Object in an Array, if not already one.\n//\n//\t\t{\n//\t\t\tx: 'y',\n//\t\t\ta: [ 'b' ]\n//\t\t}\n//\n// becomes\n//\n//\t\t{\n//\t\t\tx: [ 'y' ],\n//\t\t\ta: [ 'b' ]\n//\t\t}\n//\n// @param {Object} obj\n// @param {String} key\nfunction arrayify( obj, key ) {\n\tobj[ key ] = toArray( obj[ key ] );\n}\n\n// A helper which concatenates the value avoiding unwanted\n// leading white spaces.\n//\n// @param {String} prev\n// @param {String} cur\n// @returns {String}\nfunction arrayValueReducer( prev, cur ) {\n\tif ( isFalsy( cur ) ) {\n\t\treturn prev;\n\t} else if ( isFalsy( prev ) ) {\n\t\treturn cur;\n\t} else {\n\t\treturn `${ prev } ${ cur }`;\n\t}\n}\n\n// Extends one object defined in the following format:\n//\n//\t\t{\n//\t\t\tkey1: [Array1],\n//\t\t\tkey2: [Array2],\n//\t\t\t...\n//\t\t\tkeyN: [ArrayN]\n//\t\t}\n//\n// with another object of the same data format.\n//\n// @param {Object} obj Base object.\n// @param {Object} ext Object extending base.\n// @returns {String}\nfunction extendObjectValueArray( obj, ext ) {\n\tfor ( const a in ext ) {\n\t\tif ( obj[ a ] ) {\n\t\t\tobj[ a ].push( ...ext[ a ] );\n\t\t} else {\n\t\t\tobj[ a ] = ext[ a ];\n\t\t}\n\t}\n}\n\n// A helper for {@link module:ui/template~Template#extend}. Recursively extends {@link module:ui/template~Template} instance\n// with content from {@link module:ui/template~TemplateDefinition}. See {@link module:ui/template~Template#extend} to learn more.\n//\n// @param {module:ui/template~Template} def A template instance to be extended.\n// @param {module:ui/template~TemplateDefinition} def A definition which is to extend the template instance.\n// @param {Object} Error context.\nfunction extendTemplate( template, def ) {\n\tif ( def.attributes ) {\n\t\tif ( !template.attributes ) {\n\t\t\ttemplate.attributes = {};\n\t\t}\n\n\t\textendObjectValueArray( template.attributes, def.attributes );\n\t}\n\n\tif ( def.eventListeners ) {\n\t\tif ( !template.eventListeners ) {\n\t\t\ttemplate.eventListeners = {};\n\t\t}\n\n\t\textendObjectValueArray( template.eventListeners, def.eventListeners );\n\t}\n\n\tif ( def.text ) {\n\t\ttemplate.text.push( ...def.text );\n\t}\n\n\tif ( def.children && def.children.length ) {\n\t\tif ( template.children.length != def.children.length ) {\n\t\t\t/**\n\t\t\t * The number of children in extended definition does not match.\n\t\t\t *\n\t\t\t * @error ui-template-extend-children-mismatch\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'ui-template-extend-children-mismatch',\n\t\t\t\ttemplate\n\t\t\t);\n\t\t}\n\n\t\tlet childIndex = 0;\n\n\t\tfor ( const childDef of def.children ) {\n\t\t\textendTemplate( template.children[ childIndex++ ], childDef );\n\t\t}\n\t}\n}\n\n// Checks if value is \"falsy\".\n// Note: 0 (Number) is not \"falsy\" in this context.\n//\n// @private\n// @param {*} value Value to be checked.\nfunction isFalsy( value ) {\n\treturn !value && value !== 0;\n}\n\n// Checks if the item is an instance of {@link module:ui/view~View}\n//\n// @private\n// @param {*} value Value to be checked.\nfunction isView( item ) {\n\treturn item instanceof View;\n}\n\n// Checks if the item is an instance of {@link module:ui/template~Template}\n//\n// @private\n// @param {*} value Value to be checked.\nfunction isTemplate( item ) {\n\treturn item instanceof Template;\n}\n\n// Checks if the item is an instance of {@link module:ui/viewcollection~ViewCollection}\n//\n// @private\n// @param {*} value Value to be checked.\nfunction isViewCollection( item ) {\n\treturn item instanceof ViewCollection;\n}\n\n// Creates an empty skeleton for {@link module:ui/template~Template#revert}\n// data.\n//\n// @private\nfunction getEmptyRevertData() {\n\treturn {\n\t\tchildren: [],\n\t\tbindings: [],\n\t\tattributes: {}\n\t};\n}\n\n// Checks whether an attribute should be extended when\n// {@link module:ui/template~Template#apply} is called.\n//\n// @private\n// @param {String} attrName Attribute name to check.\nfunction shouldExtend( attrName ) {\n\treturn attrName == 'class' || attrName == 'style';\n}\n\n/**\n * A definition of the {@link module:ui/template~Template}. It describes what kind of\n * node a template will render (HTML element or text), attributes of an element, DOM event\n * listeners and children.\n *\n * Also see:\n * * {@link module:ui/template~TemplateValueSchema} to learn about HTML element attributes,\n * * {@link module:ui/template~TemplateListenerSchema} to learn about DOM event listeners.\n *\n * A sample definition on an HTML element can look like this:\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\tchildren: [\n *\t\t\t\t{\n *\t\t\t\t\ttag: 'span',\n *\t\t\t\t\tattributes: { ... },\n *\t\t\t\t\tchildren: [ ... ],\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\ttext: 'static–text'\n *\t\t\t\t},\n *\t\t\t\t'also-static–text',\n *\t\t\t],\n *\t\t\tattributes: {\n *\t\t\t\tclass: {@link module:ui/template~TemplateValueSchema},\n *\t\t\t\tid: {@link module:ui/template~TemplateValueSchema},\n *\t\t\t\tstyle: {@link module:ui/template~TemplateValueSchema}\n *\n *\t\t\t\t// ...\n *\t\t\t},\n *\t\t\ton: {\n *\t\t\t\t'click': {@link module:ui/template~TemplateListenerSchema}\n *\n *\t\t\t\t// Document.querySelector format is also accepted.\n *\t\t\t\t'keyup@a.some-class': {@link module:ui/template~TemplateListenerSchema}\n *\n *\t\t\t\t// ...\n *\t\t\t}\n *\t\t} );\n *\n * A {@link module:ui/view~View}, another {@link module:ui/template~Template} or a native DOM node\n * can also become a child of a template. When a view is passed, its {@link module:ui/view~View#element} is used:\n *\n *\t\tconst view = new SomeView();\n *\t\tconst childTemplate = new Template( { ... } );\n *\t\tconst childNode = document.createElement( 'b' );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\n *\t\t\tchildren: [\n *\t\t\t\t// view#element will be added as a child of this <p>.\n *\t\t\t\tview,\n *\n * \t\t\t\t// The output of childTemplate.render() will be added here.\n *\t\t\t\tchildTemplate,\n *\n *\t\t\t\t// Native DOM nodes are included directly in the rendered output.\n *\t\t\t\tchildNode\n *\t\t\t]\n *\t\t} );\n *\n * An entire {@link module:ui/viewcollection~ViewCollection} can be used as a child in the definition:\n *\n *\t\tconst collection = new ViewCollection();\n *\t\tcollection.add( someView );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\n *\t\t\tchildren: collection\n *\t\t} );\n *\n * @typedef module:ui/template~TemplateDefinition\n * @type Object\n *\n * @property {String} tag See the template {@link module:ui/template~Template#tag} property.\n *\n * @property {Array.<module:ui/template~TemplateDefinition>} [children]\n * See the template {@link module:ui/template~Template#children} property.\n *\n * @property {Object.<String, module:ui/template~TemplateValueSchema>} [attributes]\n * See the template {@link module:ui/template~Template#attributes} property.\n *\n * @property {String|module:ui/template~TemplateValueSchema|Array.<String|module:ui/template~TemplateValueSchema>} [text]\n * See the template {@link module:ui/template~Template#text} property.\n *\n * @property {Object.<String, module:ui/template~TemplateListenerSchema>} [on]\n * See the template {@link module:ui/template~Template#eventListeners} property.\n */\n\n/**\n * Describes a value of an HTML element attribute or `textContent`. It allows combining multiple\n * data sources like static values and {@link module:utils/observablemixin~Observable} attributes.\n *\n * Also see:\n * * {@link module:ui/template~TemplateDefinition} to learn where to use it,\n * * {@link module:ui/template~Template.bind} to learn how to configure\n * {@link module:utils/observablemixin~Observable} attribute bindings,\n * * {@link module:ui/template~Template#render} to learn how to render a template,\n * * {@link module:ui/template~BindChain#to `to()`} and {@link module:ui/template~BindChain#if `if()`}\n * methods to learn more about bindings.\n *\n * Attribute values can be described in many different ways:\n *\n *\t\t// Bind helper will create bindings to attributes of the observable.\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\tattributes: {\n *\t\t\t\t// A plain string schema.\n *\t\t\t\t'class': 'static-text',\n *\n *\t\t\t\t// An object schema, binds to the \"foo\" attribute of the\n *\t\t\t\t// observable and follows its value.\n *\t\t\t\t'class': bind.to( 'foo' ),\n *\n *\t\t\t\t// An array schema, combines the above.\n *\t\t\t\t'class': [\n *\t\t\t\t\t'static-text',\n *\t\t\t\t\tbind.to( 'bar', () => { ... } ),\n *\n * \t\t\t\t\t// Bindings can also be conditional.\n *\t\t\t\t\tbind.if( 'baz', 'class-when-baz-is-true' )\n *\t\t\t\t],\n *\n *\t\t\t\t// An array schema, with a custom namespace, e.g. useful for creating SVGs.\n *\t\t\t\t'class': {\n *\t\t\t\t\tns: 'http://ns.url',\n *\t\t\t\t\tvalue: [\n *\t\t\t\t\t\tbind.if( 'baz', 'value-when-true' ),\n *\t\t\t\t\t\t'static-text'\n *\t\t\t\t\t]\n *\t\t\t\t},\n *\n *\t\t\t\t// An object schema, specific for styles.\n *\t\t\t\tstyle: {\n *\t\t\t\t\tcolor: 'red',\n *\t\t\t\t\tbackgroundColor: bind.to( 'qux', () => { ... } )\n *\t\t\t\t}\n *\t\t\t}\n *\t\t} );\n *\n * Text nodes can also have complex values:\n *\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\t// Will render a \"foo\" text node.\n *\t\tnew Template( {\n *\t\t\ttext: 'foo'\n *\t\t} );\n *\n *\t\t// Will render a \"static text: {observable.foo}\" text node.\n *\t\t// The text of the node will be updated as the \"foo\" attribute changes.\n *\t\tnew Template( {\n *\t\t\ttext: [\n *\t\t\t\t'static text: ',\n *\t\t\t\tbind.to( 'foo', () => { ... } )\n *\t\t\t]\n *\t\t} );\n *\n * @typedef module:ui/template~TemplateValueSchema\n * @type {Object|String|Array}\n */\n\n/**\n * Describes an event listener attached to an HTML element. Such listener can propagate DOM events\n * through an {@link module:utils/observablemixin~Observable} instance, execute custom callbacks\n * or both, if necessary.\n *\n * Also see:\n * * {@link module:ui/template~TemplateDefinition} to learn more about template definitions,\n * * {@link module:ui/template~BindChain#to `to()`} method to learn more about bindings.\n *\n * Check out different ways of attaching event listeners below:\n *\n *\t\t// Bind helper will propagate events through the observable.\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\ton: {\n *\t\t\t\t// An object schema. The observable will fire the \"clicked\" event upon DOM \"click\".\n *\t\t\t\tclick: bind.to( 'clicked' )\n *\n *\t\t\t\t// An object schema. It will work for \"click\" event on \"a.foo\" children only.\n *\t\t\t\t'click@a.foo': bind.to( 'clicked' )\n *\n *\t\t\t\t// An array schema, makes the observable propagate multiple events.\n *\t\t\t\tclick: [\n *\t\t\t\t\tbind.to( 'clicked' ),\n *\t\t\t\t\tbind.to( 'executed' )\n *\t\t\t\t],\n *\n *\t\t\t\t// An array schema with a custom callback.\n *\t\t\t\t'click@a.foo': {\n *\t\t\t\t\tbind.to( 'clicked' ),\n *\t\t\t\t\tbind.to( evt => {\n *\t\t\t\t\t\tconsole.log( `${ evt.target } has been clicked!` );\n *\t\t\t\t\t} }\n *\t\t\t\t}\n *\t\t\t}\n *\t\t} );\n *\n * @typedef module:ui/template~TemplateListenerSchema\n * @type {Object|String|Array}\n */\n\n/**\n * The return value of {@link ~Template.bind `Template.bind()`}. It provides `to()` and `if()`\n * methods to create the {@link module:utils/observablemixin~Observable observable} attribute and event bindings.\n *\n * @interface module:ui/template~BindChain\n */\n\n/**\n * Binds an {@link module:utils/observablemixin~Observable observable} to either:\n *\n * * an HTML element attribute or a text node `textContent`, so it remains in sync with the observable\n * attribute as it changes,\n * * or an HTML element DOM event, so the DOM events are propagated through an observable.\n *\n * Some common use cases of `to()` bindings are presented below:\n *\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'p',\n *\t\t\tattributes: {\n *\t\t\t\t// class=\"...\" attribute gets bound to `observable#a`\n *\t\t\t\tclass: bind.to( 'a' )\n *\t\t\t},\n *\t\t\tchildren: [\n *\t\t\t\t// <p>...</p> gets bound to observable#b; always `toUpperCase()`.\n *\t\t\t\t{\n *\t\t\t\t\ttext: bind.to( 'b', ( value, node ) => value.toUpperCase() )\n *\t\t\t\t}\n *\t\t\t],\n *\t\t\ton: {\n *\t\t\t\tclick: [\n *\t\t\t\t\t// An observable will fire \"clicked\" upon \"click\" in the DOM.\n *\t\t\t\t\tbind.to( 'clicked' ),\n *\n *\t\t\t\t\t// A custom callback will be executed upon \"click\" in the DOM.\n *\t\t\t\t\tbind.to( () => {\n *\t\t\t\t\t\t...\n *\t\t\t\t\t} )\n *\t\t\t\t]\n *\t\t\t}\n *\t\t} ).render();\n *\n * Learn more about using `to()` in the {@link module:ui/template~TemplateValueSchema} and\n * {@link module:ui/template~TemplateListenerSchema}.\n *\n * @method #to\n * @param {String|Function} eventNameOrFunctionOrAttribute An attribute name of\n * {@link module:utils/observablemixin~Observable} or a DOM event name or an event callback.\n * @param {Function} [callback] Allows for processing of the value. Accepts `Node` and `value` as arguments.\n * @returns {module:ui/template~TemplateBinding}\n */\n\n/**\n * Binds an {@link module:utils/observablemixin~Observable observable} to an HTML element attribute or a text\n * node `textContent` so it remains in sync with the observable attribute as it changes.\n *\n * Unlike {@link module:ui/template~BindChain#to}, it controls the presence of the attribute or `textContent`\n * depending on the \"falseness\" of an {@link module:utils/observablemixin~Observable} attribute.\n *\n *\t\tconst bind = Template.bind( observable, emitter );\n *\n *\t\tnew Template( {\n *\t\t\ttag: 'input',\n *\t\t\tattributes: {\n *\t\t\t\t// <input checked> when `observable#a` is not undefined/null/false/''\n *\t\t\t\t// <input> when `observable#a` is undefined/null/false\n *\t\t\t\tchecked: bind.if( 'a' )\n *\t\t\t},\n *\t\t\tchildren: [\n *\t\t\t\t{\n *\t\t\t\t\t// <input>\"b-is-not-set\"</input> when `observable#b` is undefined/null/false/''\n *\t\t\t\t\t// <input></input> when `observable#b` is not \"falsy\"\n *\t\t\t\t\ttext: bind.if( 'b', 'b-is-not-set', ( value, node ) => !value )\n *\t\t\t\t}\n *\t\t\t]\n *\t\t} ).render();\n *\n * Learn more about using `if()` in the {@link module:ui/template~TemplateValueSchema}.\n *\n * @method #if\n * @param {String} attribute An attribute name of {@link module:utils/observablemixin~Observable} used in the binding.\n * @param {String} [valueIfTrue] Value set when the {@link module:utils/observablemixin~Observable} attribute is not\n * undefined/null/false/'' (empty string).\n * @param {Function} [callback] Allows for processing of the value. Accepts `Node` and `value` as arguments.\n * @returns {module:ui/template~TemplateBinding}\n */\n\n/**\n * The {@link module:ui/template~Template#_renderNode} configuration.\n *\n * @private\n * @interface module:ui/template~RenderData\n */\n\n/**\n * Tells {@link module:ui/template~Template#_renderNode} to render\n * children into `DocumentFragment` first and then append the fragment\n * to the parent element. It is a speed optimization.\n *\n * @member {Boolean} #intoFragment\n */\n\n/**\n * A node which is being rendered.\n *\n * @member {HTMLElement|Text} #node\n */\n\n/**\n * Indicates whether the {@module:ui/template~RenderNodeOptions#node} has\n * been provided by {@module:ui/template~Template#apply}.\n *\n * @member {Boolean} #isApplying\n */\n\n/**\n * An object storing the data that helps {@module:ui/template~Template#revert}\n * bringing back an element to its initial state, i.e. before\n * {@module:ui/template~Template#apply} was called.\n *\n * @member {Object} #revertData\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/editorui/bodycollection\n */\n\n/* globals document */\n\nimport Template from '../template';\nimport ViewCollection from '../viewcollection';\n\nimport createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement';\n\n/**\n * This is a special {@link module:ui/viewcollection~ViewCollection} dedicated to elements that are detached\n * from the DOM structure of the editor, like panels, icons, etc.\n *\n * The body collection is available in the {@link module:ui/editorui/editoruiview~EditorUIView#body `editor.ui.view.body`} property.\n * Any plugin can add a {@link module:ui/view~View view} to this collection.\n * These views will render in a container placed directly in the `<body>` element.\n * The editor will detach and destroy this collection when the editor will be {@link module:core/editor/editor~Editor#destroy destroyed}.\n *\n * If you need to control the life cycle of the body collection on your own, you can create your own instance of this class.\n *\n * A body collection will render itself automatically in the DOM body element as soon as you call {@link ~BodyCollection#attachToDom}.\n * If you create multiple body collections, this class will create a special wrapper element in the DOM to limit the number of\n * elements created directly in the body and remove it when the last body collection will be\n * {@link ~BodyCollection#detachFromDom detached}.\n *\n * @extends module:ui/viewcollection~ViewCollection\n */\nexport default class BodyCollection extends ViewCollection {\n\t/**\n\t * Creates a new instance of the {@link module:ui/editorui/bodycollection~BodyCollection}.\n\t *\n\t * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor editor's locale} instance.\n\t * @param {Iterable.<module:ui/view~View>} [initialItems] The initial items of the collection.\n\t */\n\tconstructor( locale, initialItems = [] ) {\n\t\tsuper( initialItems );\n\n\t\t/**\n\t\t * The {@link module:core/editor/editor~Editor#locale editor's locale} instance.\n\t\t * See the view {@link module:ui/view~View#locale locale} property.\n\t\t *\n\t\t * @member {module:utils/locale~Locale}\n\t\t */\n\t\tthis.locale = locale;\n\t}\n\n\t/**\n\t * Attaches the body collection to the DOM body element. You need to execute this method to render the content of\n\t * the body collection.\n\t */\n\tattachToDom() {\n\t\t/**\n\t\t * The element holding elements of the body region.\n\t\t *\n\t\t * @protected\n\t\t * @member {HTMLElement} #_bodyCollectionContainer\n\t\t */\n\t\tthis._bodyCollectionContainer = new Template( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-reset_all',\n\t\t\t\t\t'ck-body',\n\t\t\t\t\t'ck-rounded-corners'\n\t\t\t\t],\n\t\t\t\tdir: this.locale.uiLanguageDirection\n\t\t\t},\n\t\t\tchildren: this\n\t\t} ).render();\n\n\t\tlet wrapper = document.querySelector( '.ck-body-wrapper' );\n\n\t\tif ( !wrapper ) {\n\t\t\twrapper = createElement( document, 'div', { class: 'ck-body-wrapper' } );\n\t\t\tdocument.body.appendChild( wrapper );\n\t\t}\n\n\t\twrapper.appendChild( this._bodyCollectionContainer );\n\t}\n\n\t/**\n\t * Detaches the collection from the DOM structure. Use this method when you do not need to use the body collection\n\t * anymore to clean-up the DOM structure.\n\t */\n\tdetachFromDom() {\n\t\tsuper.destroy();\n\n\t\tif ( this._bodyCollectionContainer ) {\n\t\t\tthis._bodyCollectionContainer.remove();\n\t\t}\n\n\t\tconst wrapper = document.querySelector( '.ck-body-wrapper' );\n\n\t\tif ( wrapper && wrapper.childElementCount == 0 ) {\n\t\t\twrapper.remove();\n\t\t}\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./icon.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./icon.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* global DOMParser */\n\n/**\n * @module ui/icon/iconview\n */\n\nimport View from '../view';\n\nimport '../../theme/components/icon/icon.css';\n\n/**\n * The icon view class.\n *\n * @extends module:ui/view~View\n */\nexport default class IconView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor() {\n\t\tsuper();\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * The SVG source of the icon.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #content\n\t\t */\n\t\tthis.set( 'content', '' );\n\n\t\t/**\n\t\t * This attribute specifies the boundaries to which the\n\t\t * icon content should stretch.\n\t\t *\n\t\t * @observable\n\t\t * @default '0 0 20 20'\n\t\t * @member {String} #viewBox\n\t\t */\n\t\tthis.set( 'viewBox', '0 0 20 20' );\n\n\t\t/**\n\t\t * The fill color of the child `path.ck-icon__fill`.\n\t\t *\n\t\t * @observable\n\t\t * @default ''\n\t\t * @member {String} #fillColor\n\t\t */\n\t\tthis.set( 'fillColor', '' );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'svg',\n\t\t\tns: 'http://www.w3.org/2000/svg',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-icon'\n\t\t\t\t],\n\t\t\t\tviewBox: bind.to( 'viewBox' )\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis._updateXMLContent();\n\t\tthis._colorFillPaths();\n\n\t\t// This is a hack for lack of innerHTML binding.\n\t\t// See: https://github.com/ckeditor/ckeditor5-ui/issues/99.\n\t\tthis.on( 'change:content', () => {\n\t\t\tthis._updateXMLContent();\n\t\t\tthis._colorFillPaths();\n\t\t} );\n\n\t\tthis.on( 'change:fillColor', () => {\n\t\t\tthis._colorFillPaths();\n\t\t} );\n\t}\n\n\t/**\n\t * Updates the {@link #element} with the value of {@link #content}.\n\t *\n\t * @private\n\t */\n\t_updateXMLContent() {\n\t\tif ( this.content ) {\n\t\t\tconst parsed = new DOMParser().parseFromString( this.content.trim(), 'image/svg+xml' );\n\t\t\tconst svg = parsed.querySelector( 'svg' );\n\t\t\tconst viewBox = svg.getAttribute( 'viewBox' );\n\n\t\t\tif ( viewBox ) {\n\t\t\t\tthis.viewBox = viewBox;\n\t\t\t}\n\n\t\t\tthis.element.innerHTML = '';\n\n\t\t\twhile ( svg.childNodes.length > 0 ) {\n\t\t\t\tthis.element.appendChild( svg.childNodes[ 0 ] );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Fills all child `path.ck-icon__fill` with the `#fillColor`.\n\t *\n\t * @private\n\t */\n\t_colorFillPaths() {\n\t\tif ( this.fillColor ) {\n\t\t\tthis.element.querySelectorAll( '.ck-icon__fill' ).forEach( path => {\n\t\t\t\tpath.style.fill = this.fillColor;\n\t\t\t} );\n\t\t}\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tooltip.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tooltip.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/tooltip/tooltipview\n */\n\nimport View from '../view';\n\nimport '../../theme/components/tooltip/tooltip.css';\n\n/**\n * The tooltip view class.\n *\n * @extends module:ui/view~View\n */\nexport default class TooltipView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The text of the tooltip visible to the user.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #text\n\t\t */\n\t\tthis.set( 'text', '' );\n\n\t\t/**\n\t\t * The position of the tooltip (south, south-west, south-east, or north).\n\t\t *\n\t\t *\t\t+-----------+\n\t\t *\t\t|   north   |\n\t\t *\t\t+-----------+\n\t\t *\t\t      V\n\t\t *\t\t  [element]\n\t\t *\n\t\t *\t\t  [element]\n\t\t *\t\t      ^\n\t\t *\t\t+-----------+\n\t\t *\t\t|   south   |\n\t\t *\t\t+-----------+\n\t\t *\n\t\t *                +----------+\n\t\t *    [element] < |   east   |\n\t\t *                +----------+\n\t\t *\n\t\t *    +----------+\n\t\t *    |   west   | > [element]\n\t\t *    +----------+\n\t\t *\n\t\t *\t\t         [element]\n\t\t *\t\t             ^\n\t\t *\t\t+--------------+\n\t\t *\t\t|  south west  |\n\t\t *\t\t+--------------+\n\t\t *\n\t\t *\t  [element]\n\t\t *\t\t  ^\n\t\t *\t\t+--------------+\n\t\t *\t\t|  south east  |\n\t\t *\t\t+--------------+\n\n\t\t * @observable\n\t\t * @default 's'\n\t\t * @member {'s'|'n'|'e'|'w'|'sw'|'se'} #position\n\t\t */\n\t\tthis.set( 'position', 's' );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-tooltip',\n\t\t\t\t\tbind.to( 'position', position => 'ck-tooltip_' + position ),\n\t\t\t\t\tbind.if( 'text', 'ck-hidden', value => !value.trim() )\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'span',\n\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t\t'ck-tooltip__text'\n\t\t\t\t\t\t]\n\t\t\t\t\t},\n\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttext: bind.to( 'text' )\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./button.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./button.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/button/buttonview\n */\n\nimport View from '../view';\nimport IconView from '../icon/iconview';\nimport TooltipView from '../tooltip/tooltipview';\n\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\nimport { getEnvKeystrokeText } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\nimport '../../theme/components/button/button.css';\n\n/**\n * The button view class.\n *\n *\t\tconst view = new ButtonView();\n *\n *\t\tview.set( {\n *\t\t\tlabel: 'A button',\n *\t\t\tkeystroke: 'Ctrl+B',\n *\t\t\ttooltip: true,\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tview.render();\n *\n *\t\tdocument.body.append( view.element );\n *\n * @extends module:ui/view~View\n * @implements module:ui/button/button~Button\n */\nexport default class ButtonView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\t\tconst ariaLabelUid = uid();\n\n\t\t// Implement the Button interface.\n\t\tthis.set( 'class' );\n\t\tthis.set( 'labelStyle' );\n\t\tthis.set( 'icon' );\n\t\tthis.set( 'isEnabled', true );\n\t\tthis.set( 'isOn', false );\n\t\tthis.set( 'isVisible', true );\n\t\tthis.set( 'isToggleable', false );\n\t\tthis.set( 'keystroke' );\n\t\tthis.set( 'label' );\n\t\tthis.set( 'tabindex', -1 );\n\t\tthis.set( 'tooltip' );\n\t\tthis.set( 'tooltipPosition', 's' );\n\t\tthis.set( 'type', 'button' );\n\t\tthis.set( 'withText', false );\n\t\tthis.set( 'withKeystroke', false );\n\n\t\t/**\n\t\t * Collection of the child views inside of the button {@link #element}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\t/**\n\t\t * Tooltip of the button view. It is configurable using the {@link #tooltip tooltip attribute}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/tooltip/tooltipview~TooltipView} #tooltipView\n\t\t */\n\t\tthis.tooltipView = this._createTooltipView();\n\n\t\t/**\n\t\t * Label of the button view. It is configurable using the {@link #label label attribute}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/view~View} #labelView\n\t\t */\n\t\tthis.labelView = this._createLabelView( ariaLabelUid );\n\n\t\t/**\n\t\t * The icon view of the button. Will be added to {@link #children} when the\n\t\t * {@link #icon icon attribute} is defined.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/icon/iconview~IconView} #iconView\n\t\t */\n\t\tthis.iconView = new IconView();\n\n\t\tthis.iconView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-button__icon'\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * A view displaying the keystroke of the button next to the {@link #labelView label}.\n\t\t * Added to {@link #children} when the {@link #withKeystroke `withKeystroke` attribute}\n\t\t * is defined.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/view/view~View} #keystrokeView\n\t\t */\n\t\tthis.keystrokeView = this._createKeystrokeView();\n\n\t\t/**\n\t\t * Tooltip of the button bound to the template.\n\t\t *\n\t\t * @see #tooltip\n\t\t * @see #_getTooltipString\n\t\t * @private\n\t\t * @observable\n\t\t * @member {Boolean} #_tooltipString\n\t\t */\n\t\tthis.bind( '_tooltipString' ).to(\n\t\t\tthis, 'tooltip',\n\t\t\tthis, 'label',\n\t\t\tthis, 'keystroke',\n\t\t\tthis._getTooltipString.bind( this )\n\t\t);\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'button',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-button',\n\t\t\t\t\tbind.to( 'class' ),\n\t\t\t\t\tbind.if( 'isEnabled', 'ck-disabled', value => !value ),\n\t\t\t\t\tbind.if( 'isVisible', 'ck-hidden', value => !value ),\n\t\t\t\t\tbind.to( 'isOn', value => value ? 'ck-on' : 'ck-off' ),\n\t\t\t\t\tbind.if( 'withText', 'ck-button_with-text' ),\n\t\t\t\t\tbind.if( 'withKeystroke', 'ck-button_with-keystroke' )\n\t\t\t\t],\n\t\t\t\ttype: bind.to( 'type', value => value ? value : 'button' ),\n\t\t\t\ttabindex: bind.to( 'tabindex' ),\n\t\t\t\t'aria-labelledby': `ck-editor__aria-label_${ ariaLabelUid }`,\n\t\t\t\t'aria-disabled': bind.if( 'isEnabled', true, value => !value ),\n\t\t\t\t'aria-pressed': bind.to( 'isOn', value => this.isToggleable ? String( value ) : false )\n\t\t\t},\n\n\t\t\tchildren: this.children,\n\n\t\t\ton: {\n\t\t\t\tmousedown: bind.to( evt => {\n\t\t\t\t\tevt.preventDefault();\n\t\t\t\t} ),\n\n\t\t\t\tclick: bind.to( evt => {\n\t\t\t\t\t// We can't make the button disabled using the disabled attribute, because it won't be focusable.\n\t\t\t\t\t// Though, shouldn't this condition be moved to the button controller?\n\t\t\t\t\tif ( this.isEnabled ) {\n\t\t\t\t\t\tthis.fire( 'execute' );\n\t\t\t\t\t} else {\n\t\t\t\t\t\t// Prevent the default when button is disabled, to block e.g.\n\t\t\t\t\t\t// automatic form submitting. See ckeditor/ckeditor5-link#74.\n\t\t\t\t\t\tevt.preventDefault();\n\t\t\t\t\t}\n\t\t\t\t} )\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tif ( this.icon ) {\n\t\t\tthis.iconView.bind( 'content' ).to( this, 'icon' );\n\t\t\tthis.children.add( this.iconView );\n\t\t}\n\n\t\tthis.children.add( this.tooltipView );\n\t\tthis.children.add( this.labelView );\n\n\t\tif ( this.withKeystroke && this.keystroke ) {\n\t\t\tthis.children.add( this.keystrokeView );\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the {@link #element} of the button.\n\t */\n\tfocus() {\n\t\tthis.element.focus();\n\t}\n\n\t/**\n\t * Creates a {@link module:ui/tooltip/tooltipview~TooltipView} instance and binds it with button\n\t * attributes.\n\t *\n\t * @private\n\t * @returns {module:ui/tooltip/tooltipview~TooltipView}\n\t */\n\t_createTooltipView() {\n\t\tconst tooltipView = new TooltipView();\n\n\t\ttooltipView.bind( 'text' ).to( this, '_tooltipString' );\n\t\ttooltipView.bind( 'position' ).to( this, 'tooltipPosition' );\n\n\t\treturn tooltipView;\n\t}\n\n\t/**\n\t * Creates a label view instance and binds it with button attributes.\n\t *\n\t * @private\n\t * @param {String} ariaLabelUid The aria label UID.\n\t * @returns {module:ui/view~View}\n\t */\n\t_createLabelView( ariaLabelUid ) {\n\t\tconst labelView = new View();\n\t\tconst bind = this.bindTemplate;\n\n\t\tlabelView.setTemplate( {\n\t\t\ttag: 'span',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-button__label'\n\t\t\t\t],\n\t\t\t\tstyle: bind.to( 'labelStyle' ),\n\t\t\t\tid: `ck-editor__aria-label_${ ariaLabelUid }`\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttext: this.bindTemplate.to( 'label' )\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\treturn labelView;\n\t}\n\n\t/**\n\t * Creates a view that displays a keystroke next to a {@link #labelView label }\n\t * and binds it with button attributes.\n\t *\n\t * @private\n\t * @returns {module:ui/view~View}\n\t */\n\t_createKeystrokeView() {\n\t\tconst keystrokeView = new View();\n\n\t\tkeystrokeView.setTemplate( {\n\t\t\ttag: 'span',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-button__keystroke'\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttext: this.bindTemplate.to( 'keystroke', text => getEnvKeystrokeText( text ) )\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\treturn keystrokeView;\n\t}\n\n\t/**\n\t * Gets the text for the {@link #tooltipView} from the combination of\n\t * {@link #tooltip}, {@link #label} and {@link #keystroke} attributes.\n\t *\n\t * @private\n\t * @see #tooltip\n\t * @see #_tooltipString\n\t * @param {Boolean|String|Function} tooltip Button tooltip.\n\t * @param {String} label Button label.\n\t * @param {String} keystroke Button keystroke.\n\t * @returns {String}\n\t */\n\t_getTooltipString( tooltip, label, keystroke ) {\n\t\tif ( tooltip ) {\n\t\t\tif ( typeof tooltip == 'string' ) {\n\t\t\t\treturn tooltip;\n\t\t\t} else {\n\t\t\t\tif ( keystroke ) {\n\t\t\t\t\tkeystroke = getEnvKeystrokeText( keystroke );\n\t\t\t\t}\n\n\t\t\t\tif ( tooltip instanceof Function ) {\n\t\t\t\t\treturn tooltip( label, keystroke );\n\t\t\t\t} else {\n\t\t\t\t\treturn `${ label }${ keystroke ? ` (${ keystroke })` : '' }`;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn '';\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./switchbutton.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./switchbutton.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/button/switchbuttonview\n */\n\nimport View from '../view';\nimport ButtonView from './buttonview';\n\nimport '../../theme/components/button/switchbutton.css';\n\n/**\n * The switch button view class.\n *\n *\t\tconst view = new SwitchButtonView();\n *\n *\t\tview.set( {\n *\t\t\twithText: true,\n *\t\t\tlabel: 'Switch me!'\n *\t\t} );\n *\n *\t\tview.render();\n *\n *\t\tdocument.body.append( view.element );\n *\n * @extends module:ui/button/buttonview~ButtonView\n */\nexport default class SwitchButtonView extends ButtonView {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.isToggleable = true;\n\n\t\t/**\n\t\t * The toggle switch of the button.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/view~View} #toggleSwitchView\n\t\t */\n\t\tthis.toggleSwitchView = this._createToggleView();\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-switchbutton'\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.children.add( this.toggleSwitchView );\n\t}\n\n\t/**\n\t * Creates a toggle child view.\n\t *\n\t * @private\n\t * @returns {module:ui/view~View}\n\t */\n\t_createToggleView() {\n\t\tconst toggleSwitchView = new View();\n\n\t\ttoggleSwitchView.setTemplate( {\n\t\t\ttag: 'span',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-button__toggle'\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'span',\n\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t\t'ck-button__toggle__inner'\n\t\t\t\t\t\t]\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\treturn toggleSwitchView;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/colorgrid/utils\n */\n\n/**\n * Returns color configuration options as defined in `editor.config.(fontColor|fontBackgroundColor).colors` or\n * `editor.config.table.(tableProperties|tableCellProperties).(background|border).colors\n * but processed to account for editor localization in the correct language.\n *\n * Note: The reason behind this method is that there is no way to use {@link module:utils/locale~Locale#t}\n * when the user configuration is defined because the editor does not exist yet.\n *\n * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n * @param {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>} options\n * @returns {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>}.\n */\nexport function getLocalizedColorOptions( locale, options ) {\n\tconst t = locale.t;\n\tconst localizedColorNames = {\n\t\tBlack: t( 'Black' ),\n\t\t'Dim grey': t( 'Dim grey' ),\n\t\tGrey: t( 'Grey' ),\n\t\t'Light grey': t( 'Light grey' ),\n\t\tWhite: t( 'White' ),\n\t\tRed: t( 'Red' ),\n\t\tOrange: t( 'Orange' ),\n\t\tYellow: t( 'Yellow' ),\n\t\t'Light green': t( 'Light green' ),\n\t\tGreen: t( 'Green' ),\n\t\tAquamarine: t( 'Aquamarine' ),\n\t\tTurquoise: t( 'Turquoise' ),\n\t\t'Light blue': t( 'Light blue' ),\n\t\tBlue: t( 'Blue' ),\n\t\tPurple: t( 'Purple' )\n\t};\n\n\treturn options.map( colorOption => {\n\t\tconst label = localizedColorNames[ colorOption.label ];\n\n\t\tif ( label && label != colorOption.label ) {\n\t\t\tcolorOption.label = label;\n\t\t}\n\n\t\treturn colorOption;\n\t} );\n}\n\n/**\n * Creates a unified color definition object from color configuration options.\n * The object contains the information necessary to both render the UI and initialize the conversion.\n *\n * @param {module:ui/colorgrid/colorgrid~ColorDefinition} options\n * @returns {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>}\n */\nexport function normalizeColorOptions( options ) {\n\treturn options\n\t\t.map( normalizeSingleColorDefinition )\n\t\t.filter( option => !!option );\n}\n\n// Creates a normalized color definition from the user-defined configuration.\n// The \"normalization\" means it will create full\n// {@link module:ui/colorgrid/colorgrid~ColorDefinition `ColorDefinition-like`}\n// object for string values, and add a `view` property, for each definition.\n//\n// @param {String|module:ui/colorgrid/colorgrid~ColorDefinition}\n// @returns {module:ui/colorgrid/colorgrid~ColorDefinition}\nexport function normalizeSingleColorDefinition( color ) {\n\tif ( typeof color === 'string' ) {\n\t\treturn {\n\t\t\tmodel: color,\n\t\t\tlabel: color,\n\t\t\thasBorder: false,\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tstyles: {\n\t\t\t\t\tcolor\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t} else {\n\t\treturn {\n\t\t\tmodel: color.color,\n\t\t\tlabel: color.label || color.color,\n\t\t\thasBorder: color.hasBorder === undefined ? false : color.hasBorder,\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tstyles: {\n\t\t\t\t\tcolor: `${ color.color }`\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/colorgrid/colortile\n */\n\nimport ButtonView from '../button/buttonview';\nimport checkIcon from '../../theme/icons/color-tile-check.svg';\n\n/**\n * This class represents a single color tile in the {@link module:ui/colorgrid/colorgrid~ColorGridView}.\n *\n * @extends module:ui/button/buttonview~ButtonView\n */\nexport default class ColorTileView extends ButtonView {\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * String representing a color shown as tile's background.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.set( 'color' );\n\n\t\t/**\n\t\t * A flag that toggles a special CSS class responsible for displaying\n\t\t * a border around the button.\n\t\t *\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis.set( 'hasBorder' );\n\n\t\tthis.icon = checkIcon;\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tstyle: {\n\t\t\t\t\tbackgroundColor: bind.to( 'color' )\n\t\t\t\t},\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-color-grid__tile',\n\t\t\t\t\tbind.if( 'hasBorder', 'ck-color-table__color-tile_bordered' )\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.iconView.fillColor = 'hsl(0, 0%, 100%)';\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path class=\\\"ck-icon__fill\\\" d=\\\"M16.935 5.328a2 2 0 0 1 0 2.829l-7.778 7.778a2 2 0 0 1-2.829 0L3.5 13.107a1.999 1.999 0 1 1 2.828-2.829l.707.707a1 1 0 0 0 1.414 0l5.658-5.657a2 2 0 0 1 2.828 0z\\\"/><path d=\\\"M14.814 6.035 8.448 12.4a1 1 0 0 1-1.414 0l-1.413-1.415A1 1 0 1 0 4.207 12.4l2.829 2.829a1 1 0 0 0 1.414 0l7.778-7.778a1 1 0 1 0-1.414-1.415z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/isvisible\n */\n\n/**\n * Checks if the element is visible to the user in DOM:\n *\n * * connected to the root of the document,\n * * has no `display: none`,\n * * has no ancestors with `display: none`.\n *\n * **Note**: This helper does not check whether the element is hidden by cropping, overflow, etc..\n * To check that, use {@link module:utils/dom/rect~Rect} instead.\n *\n * @param {HTMLElement|null|undefined} element\n * @returns {Boolean}\n */\nexport default function isVisible( element ) {\n\treturn !!( element && element.getClientRects && element.getClientRects().length );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/focuscycler\n */\n\nimport isVisible from '@ckeditor/ckeditor5-utils/src/dom/isvisible';\n\n/**\n * A utility class that helps cycling over focusable {@link module:ui/view~View views} in a\n * {@link module:ui/viewcollection~ViewCollection} when the focus is tracked by the\n * {@link module:utils/focustracker~FocusTracker} instance. It helps implementing keyboard\n * navigation in HTML forms, toolbars, lists and the like.\n *\n * To work properly it requires:\n * * a collection of focusable (HTML `tabindex` attribute) views that implement the `focus()` method,\n * * an associated focus tracker to determine which view is focused.\n *\n * A simple cycler setup can look like this:\n *\n *\t\tconst focusables = new ViewCollection();\n *\t\tconst focusTracker = new FocusTracker();\n *\n *\t\t// Add focusable views to the focus tracker.\n *\t\tfocusTracker.add( ... );\n *\n * Then, the cycler can be used manually:\n *\n *\t\tconst cycler = new FocusCycler( { focusables, focusTracker } );\n *\n *\t\t// Will focus the first focusable view in #focusables.\n *\t\tcycler.focusFirst();\n *\n *\t\t// Will log the next focusable item in #focusables.\n *\t\tconsole.log( cycler.next );\n *\n * Alternatively, it can work side by side with the {@link module:utils/keystrokehandler~KeystrokeHandler}:\n *\n *\t\tconst keystrokeHandler = new KeystrokeHandler();\n *\n *\t\t// Activate the keystroke handler.\n *\t\tkeystrokeHandler.listenTo( sourceOfEvents );\n *\n *\t\tconst cycler = new FocusCycler( {\n *\t\t\tfocusables, focusTracker, keystrokeHandler,\n *\t\t\tactions: {\n *\t\t\t\t// When arrowup of arrowleft is detected by the #keystrokeHandler,\n *\t\t\t\t// focusPrevious() will be called on the cycler.\n *\t\t\t\tfocusPrevious: [ 'arrowup', 'arrowleft' ],\n *\t\t\t}\n *\t\t} );\n *\n * Check out the {@glink framework/guides/deep-dive/ui/focus-tracking \"Deep dive into focus tracking\" guide} to learn more.\n */\nexport default class FocusCycler {\n\t/**\n\t * Creates an instance of the focus cycler utility.\n\t *\n\t * @param {Object} options Configuration options.\n\t * @param {module:utils/collection~Collection|Object} options.focusables\n\t * @param {module:utils/focustracker~FocusTracker} options.focusTracker\n\t * @param {module:utils/keystrokehandler~KeystrokeHandler} [options.keystrokeHandler]\n\t * @param {Object} [options.actions]\n\t */\n\tconstructor( options ) {\n\t\tObject.assign( this, options );\n\n\t\t/**\n\t\t * A {@link module:ui/view~View view} collection that the cycler operates on.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/collection~Collection} #focusables\n\t\t */\n\n\t\t/**\n\t\t * A focus tracker instance that the cycler uses to determine the current focus\n\t\t * state in {@link #focusables}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker} #focusTracker\n\t\t */\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}\n\t\t * which can respond to certain keystrokes and cycle the focus.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler} #keystrokeHandler\n\t\t */\n\n\t\t/**\n\t\t * Actions that the cycler can take when a keystroke is pressed. Requires\n\t\t * `options.keystrokeHandler` to be passed and working. When an action is\n\t\t * performed, `preventDefault` and `stopPropagation` will be called on the event\n\t\t * the keystroke fired in the DOM.\n\t\t *\n\t\t *\t\tactions: {\n\t\t *\t\t\t// Will call #focusPrevious() when arrowleft or arrowup is pressed.\n\t\t *\t\t\tfocusPrevious: [ 'arrowleft', 'arrowup' ],\n\t\t *\n\t\t *\t\t\t// Will call #focusNext() when arrowdown is pressed.\n\t\t *\t\t\tfocusNext: 'arrowdown'\n\t\t *\t\t}\n\t\t *\n\t\t * @readonly\n\t\t * @member {Object} #actions\n\t\t */\n\n\t\tif ( options.actions && options.keystrokeHandler ) {\n\t\t\tfor ( const methodName in options.actions ) {\n\t\t\t\tlet actions = options.actions[ methodName ];\n\n\t\t\t\tif ( typeof actions == 'string' ) {\n\t\t\t\t\tactions = [ actions ];\n\t\t\t\t}\n\n\t\t\t\tfor ( const keystroke of actions ) {\n\t\t\t\t\toptions.keystrokeHandler.set( keystroke, ( data, cancel ) => {\n\t\t\t\t\t\tthis[ methodName ]();\n\t\t\t\t\t\tcancel();\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Returns the first focusable view in {@link #focusables}.\n\t * Returns `null` if there is none.\n\t *\n\t * **Note**: Hidden views (e.g. with `display: none`) are ignored.\n\t *\n\t * @readonly\n\t * @member {module:ui/view~View|null} #first\n\t */\n\tget first() {\n\t\treturn this.focusables.find( isFocusable ) || null;\n\t}\n\n\t/**\n\t * Returns the last focusable view in {@link #focusables}.\n\t * Returns `null` if there is none.\n\t *\n\t * **Note**: Hidden views (e.g. with `display: none`) are ignored.\n\t *\n\t * @readonly\n\t * @member {module:ui/view~View|null} #last\n\t */\n\tget last() {\n\t\treturn this.focusables.filter( isFocusable ).slice( -1 )[ 0 ] || null;\n\t}\n\n\t/**\n\t * Returns the next focusable view in {@link #focusables} based on {@link #current}.\n\t * Returns `null` if there is none.\n\t *\n\t * **Note**: Hidden views (e.g. with `display: none`) are ignored.\n\t *\n\t * @readonly\n\t * @member {module:ui/view~View|null} #next\n\t */\n\tget next() {\n\t\treturn this._getFocusableItem( 1 );\n\t}\n\n\t/**\n\t * Returns the previous focusable view in {@link #focusables} based on {@link #current}.\n\t * Returns `null` if there is none.\n\t *\n\t * **Note**: Hidden views (e.g. with `display: none`) are ignored.\n\t *\n\t * @readonly\n\t * @member {module:ui/view~View|null} #previous\n\t */\n\tget previous() {\n\t\treturn this._getFocusableItem( -1 );\n\t}\n\n\t/**\n\t * An index of the view in the {@link #focusables} which is focused according\n\t * to {@link #focusTracker}. Returns `null` when there is no such view.\n\t *\n\t * @readonly\n\t * @member {Number|null} #current\n\t */\n\tget current() {\n\t\tlet index = null;\n\n\t\t// There's no focused view in the focusables.\n\t\tif ( this.focusTracker.focusedElement === null ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tthis.focusables.find( ( view, viewIndex ) => {\n\t\t\tconst focused = view.element === this.focusTracker.focusedElement;\n\n\t\t\tif ( focused ) {\n\t\t\t\tindex = viewIndex;\n\t\t\t}\n\n\t\t\treturn focused;\n\t\t} );\n\n\t\treturn index;\n\t}\n\n\t/**\n\t * Focuses the {@link #first} item in {@link #focusables}.\n\t *\n\t * **Note**: Hidden views (e.g. with `display: none`) are ignored.\n\t */\n\tfocusFirst() {\n\t\tthis._focus( this.first );\n\t}\n\n\t/**\n\t * Focuses the {@link #last} item in {@link #focusables}.\n\t *\n\t * **Note**: Hidden views (e.g. with `display: none`) are ignored.\n\t */\n\tfocusLast() {\n\t\tthis._focus( this.last );\n\t}\n\n\t/**\n\t * Focuses the {@link #next} item in {@link #focusables}.\n\t *\n\t * **Note**: Hidden views (e.g. with `display: none`) are ignored.\n\t */\n\tfocusNext() {\n\t\tthis._focus( this.next );\n\t}\n\n\t/**\n\t * Focuses the {@link #previous} item in {@link #focusables}.\n\t *\n\t * **Note**: Hidden views (e.g. with `display: none`) are ignored.\n\t */\n\tfocusPrevious() {\n\t\tthis._focus( this.previous );\n\t}\n\n\t/**\n\t * Focuses the given view if it exists.\n\t *\n\t * @protected\n\t * @param {module:ui/view~View} view\n\t */\n\t_focus( view ) {\n\t\tif ( view ) {\n\t\t\tview.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Returns the next or previous focusable view in {@link #focusables} with respect\n\t * to {@link #current}.\n\t *\n\t * @protected\n\t * @param {Number} step Either `1` for checking forward from {@link #current} or\n\t * `-1` for checking backwards.\n\t * @returns {module:ui/view~View|null}\n\t */\n\t_getFocusableItem( step ) {\n\t\t// Cache for speed.\n\t\tconst current = this.current;\n\t\tconst collectionLength = this.focusables.length;\n\n\t\tif ( !collectionLength ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// Start from the beginning if no view is focused.\n\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/206\n\t\tif ( current === null ) {\n\t\t\treturn this[ step === 1 ? 'first' : 'last' ];\n\t\t}\n\n\t\t// Cycle in both directions.\n\t\tlet index = ( current + collectionLength + step ) % collectionLength;\n\n\t\tdo {\n\t\t\tconst view = this.focusables.get( index );\n\n\t\t\tif ( isFocusable( view ) ) {\n\t\t\t\treturn view;\n\t\t\t}\n\n\t\t\t// Cycle in both directions.\n\t\t\tindex = ( index + collectionLength + step ) % collectionLength;\n\t\t} while ( index !== current );\n\n\t\treturn null;\n\t}\n}\n\n// Checks whether a view is focusable.\n//\n// @private\n// @param {module:ui/view~View} view A view to be checked.\n// @returns {Boolean}\nfunction isFocusable( view ) {\n\treturn !!( view.focus && isVisible( view.element ) );\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./colorgrid.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./colorgrid.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/colorgrid/colorgrid\n */\n\nimport View from '../view';\nimport ColorTileView from './colortileview';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '../focuscycler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport '../../theme/components/colorgrid/colorgrid.css';\n\n/**\n * A grid of {@link module:ui/colorgrid/colortile~ColorTileView color tiles}.\n *\n * @extends module:ui/view~View\n */\nexport default class ColorGridView extends View {\n\t/**\n\t * Creates an instance of a color grid containing {@link module:ui/colorgrid/colortile~ColorTileView tiles}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {Object} options Component configuration\n\t * @param {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>} [options.colorDefinitions] Array with definitions\n\t * required to create the {@link module:ui/colorgrid/colortile~ColorTileView tiles}.\n\t * @param {Number} options.columns A number of columns to display the tiles.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tconst colorDefinitions = options && options.colorDefinitions || [];\n\t\tconst viewStyleAttribute = {};\n\n\t\tif ( options && options.columns ) {\n\t\t\tviewStyleAttribute.gridTemplateColumns = `repeat( ${ options.columns }, 1fr)`;\n\t\t}\n\n\t\t/**\n\t\t * The color of the currently selected color tile in {@link #items}.\n\t\t *\n\t\t * @observable\n\t\t * @type {String}\n\t\t */\n\t\tthis.set( 'selectedColor' );\n\n\t\t/**\n\t\t * Collection of the child tile views.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this.createCollection();\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the grid.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * Instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * Helps cycling over focusable {@link #items} in the grid.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this.items,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate grid items backwards using the arrowup key.\n\t\t\t\tfocusPrevious: 'arrowleft',\n\n\t\t\t\t// Navigate grid items forwards using the arrowdown key.\n\t\t\t\tfocusNext: 'arrowright'\n\t\t\t}\n\t\t} );\n\n\t\tthis.items.on( 'add', ( evt, colorTile ) => {\n\t\t\tcolorTile.isOn = colorTile.color === this.selectedColor;\n\t\t} );\n\n\t\tcolorDefinitions.forEach( color => {\n\t\t\tconst colorTile = new ColorTileView();\n\n\t\t\tcolorTile.set( {\n\t\t\t\tcolor: color.color,\n\t\t\t\tlabel: color.label,\n\t\t\t\ttooltip: true,\n\t\t\t\thasBorder: color.options.hasBorder\n\t\t\t} );\n\n\t\t\tcolorTile.on( 'execute', () => {\n\t\t\t\tthis.fire( 'execute', {\n\t\t\t\t\tvalue: color.color,\n\t\t\t\t\thasBorder: color.options.hasBorder,\n\t\t\t\t\tlabel: color.label\n\t\t\t\t} );\n\t\t\t} );\n\n\t\t\tthis.items.add( colorTile );\n\t\t} );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tchildren: this.items,\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-color-grid'\n\t\t\t\t],\n\t\t\t\tstyle: viewStyleAttribute\n\t\t\t}\n\t\t} );\n\n\t\tthis.on( 'change:selectedColor', ( evt, name, selectedColor ) => {\n\t\t\tfor ( const item of this.items ) {\n\t\t\t\titem.isOn = item.color === selectedColor;\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the first focusable in {@link #items}.\n\t */\n\tfocus() {\n\t\tif ( this.items.length ) {\n\t\t\tthis.items.first.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the last focusable in {@link #items}.\n\t */\n\tfocusLast() {\n\t\tif ( this.items.length ) {\n\t\t\tthis.items.last.focus();\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Items added before rendering should be known to the #focusTracker.\n\t\tfor ( const item of this.items ) {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t}\n\n\t\tthis.items.on( 'add', ( evt, item ) => {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t} );\n\n\t\tthis.items.on( 'remove', ( evt, item ) => {\n\t\t\tthis.focusTracker.remove( item.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\t}\n\n\t/**\n\t * Fired when the `ColorTileView` for the picked item is executed.\n\t *\n\t * @event execute\n\t * @param {Object} data Additional information about the event.\n\t * @param {String} data.value The value of the selected color\n\t * ({@link module:ui/colorgrid/colorgrid~ColorDefinition#color `color.color`}).\n\t * @param {Boolean} data.hasBorder The `hasBorder` property of the selected color\n\t * ({@link module:ui/colorgrid/colorgrid~ColorDefinition#options `color.options.hasBorder`}).\n\t * @param {String} data.Label The label of the selected color\n\t * ({@link module:ui/colorgrid/colorgrid~ColorDefinition#label `color.label`})\n\t */\n}\n\n/**\n * A color definition used to create a {@link module:ui/colorgrid/colortile~ColorTileView}.\n *\n *\t\t{\n *\t\t\tcolor: 'hsl(0, 0%, 75%)',\n *\t\t\tlabel: 'Light Grey',\n *\t\t\toptions: {\n *\t\t\t\thasBorder: true\n *\t\t\t}\n *\t\t}\n *\n * @typedef {Object} module:ui/colorgrid/colorgrid~ColorDefinition\n * @type Object\n *\n * @property {String} color String representing a color.\n * It is used as value of background-color style in {@link module:ui/colorgrid/colortile~ColorTileView}.\n * @property {String} label String used as label for {@link module:ui/colorgrid/colortile~ColorTileView}.\n * @property {Object} options Additional options passed to create a {@link module:ui/colorgrid/colortile~ColorTileView}.\n * @property {Boolean} options.hasBorder A flag that indicates if special a CSS class should be added\n * to {@link module:ui/colorgrid/colortile~ColorTileView}, which renders a border around it.\n */\n","export default \"<svg viewBox=\\\"0 0 10 10\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/button/dropdownbuttonview\n */\n\nimport ButtonView from '../../button/buttonview';\n\nimport dropdownArrowIcon from '../../../theme/icons/dropdown-arrow.svg';\nimport IconView from '../../icon/iconview';\n\n/**\n * The default dropdown button view class.\n *\n *\t\tconst view = new DropdownButtonView();\n *\n *\t\tview.set( {\n *\t\t\tlabel: 'A button',\n *\t\t\tkeystroke: 'Ctrl+B',\n *\t\t\ttooltip: true\n *\t\t} );\n *\n *\t\tview.render();\n *\n *\t\tdocument.body.append( view.element );\n *\n * Also see the {@link module:ui/dropdown/utils~createDropdown `createDropdown()` util}.\n *\n * @implements module:ui/dropdown/button/dropdownbutton~DropdownButton\n * @extends module:ui/button/buttonview~ButtonView\n */\nexport default class DropdownButtonView extends ButtonView {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * An icon that displays arrow to indicate a dropdown button.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/icon/iconview~IconView}\n\t\t */\n\t\tthis.arrowView = this._createArrowView();\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\t'aria-haspopup': true\n\t\t\t}\n\t\t} );\n\n\t\t// The DropdownButton interface expects the open event upon which will open the dropdown.\n\t\tthis.delegate( 'execute' ).to( this, 'open' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.children.add( this.arrowView );\n\t}\n\n\t/**\n\t * Creates a {@link module:ui/icon/iconview~IconView} instance as {@link #arrowView}.\n\t *\n\t * @private\n\t * @returns {module:ui/icon/iconview~IconView}\n\t */\n\t_createArrowView() {\n\t\tconst arrowView = new IconView();\n\n\t\tarrowView.content = dropdownArrowIcon;\n\n\t\tarrowView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-dropdown__arrow'\n\t\t\t}\n\t\t} );\n\n\t\treturn arrowView;\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./splitbutton.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./splitbutton.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/button/splitbuttonview\n */\n\nimport View from '../../view';\nimport ButtonView from '../../button/buttonview';\n\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\n\nimport dropdownArrowIcon from '../../../theme/icons/dropdown-arrow.svg';\n\nimport '../../../theme/components/dropdown/splitbutton.css';\n\n/**\n * The split button view class.\n *\n *\t\tconst view = new SplitButtonView();\n *\n *\t\tview.set( {\n *\t\t\tlabel: 'A button',\n *\t\t\tkeystroke: 'Ctrl+B',\n *\t\t\ttooltip: true\n *\t\t} );\n *\n *\t\tview.render();\n *\n *\t\tdocument.body.append( view.element );\n *\n * Also see the {@link module:ui/dropdown/utils~createDropdown `createDropdown()` util}.\n *\n * @implements module:ui/dropdown/button/dropdownbutton~DropdownButton\n * @extends module:ui/view~View\n */\nexport default class SplitButtonView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t// Implement the Button interface.\n\t\tthis.set( 'class' );\n\t\tthis.set( 'icon' );\n\t\tthis.set( 'isEnabled', true );\n\t\tthis.set( 'isOn', false );\n\t\tthis.set( 'isToggleable', false );\n\t\tthis.set( 'isVisible', true );\n\t\tthis.set( 'keystroke' );\n\t\tthis.set( 'label' );\n\t\tthis.set( 'tabindex', -1 );\n\t\tthis.set( 'tooltip' );\n\t\tthis.set( 'tooltipPosition', 's' );\n\t\tthis.set( 'type', 'button' );\n\t\tthis.set( 'withText', false );\n\n\t\t/**\n\t\t * Collection of the child views inside of the split button {@link #element}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\t/**\n\t\t * A main button of split button.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.actionView = this._createActionView();\n\n\t\t/**\n\t\t * A secondary button of split button that opens dropdown.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.arrowView = this._createArrowView();\n\n\t\t/**\n\t\t * Instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}. It manages\n\t\t * keystrokes of the split button:\n\t\t *\n\t\t * * <kbd>▶</kbd> moves focus to arrow view when action view is focused,\n\t\t * * <kbd>◀</kbd> moves focus to action view when arrow view is focused.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the dropdown.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-splitbutton',\n\t\t\t\t\tbind.to( 'class' ),\n\t\t\t\t\tbind.if( 'isVisible', 'ck-hidden', value => !value ),\n\t\t\t\t\tthis.arrowView.bindTemplate.if( 'isOn', 'ck-splitbutton_open' )\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.children.add( this.actionView );\n\t\tthis.children.add( this.arrowView );\n\n\t\tthis.focusTracker.add( this.actionView.element );\n\t\tthis.focusTracker.add( this.arrowView.element );\n\n\t\tthis.keystrokes.listenTo( this.element );\n\n\t\t// Overrides toolbar focus cycling behavior.\n\t\tthis.keystrokes.set( 'arrowright', ( evt, cancel ) => {\n\t\t\tif ( this.focusTracker.focusedElement === this.actionView.element ) {\n\t\t\t\tthis.arrowView.focus();\n\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\n\t\t// Overrides toolbar focus cycling behavior.\n\t\tthis.keystrokes.set( 'arrowleft', ( evt, cancel ) => {\n\t\t\tif ( this.focusTracker.focusedElement === this.arrowView.element ) {\n\t\t\t\tthis.actionView.focus();\n\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\t}\n\n\t/**\n\t * Focuses the {@link #actionView#element} of the action part of split button.\n\t */\n\tfocus() {\n\t\tthis.actionView.focus();\n\t}\n\n\t/**\n\t * Creates a {@link module:ui/button/buttonview~ButtonView} instance as {@link #actionView} and binds it with main split button\n\t * attributes.\n\t *\n\t * @private\n\t * @returns {module:ui/button/buttonview~ButtonView}\n\t */\n\t_createActionView() {\n\t\tconst actionView = new ButtonView();\n\n\t\tactionView.bind(\n\t\t\t'icon',\n\t\t\t'isEnabled',\n\t\t\t'isOn',\n\t\t\t'isToggleable',\n\t\t\t'keystroke',\n\t\t\t'label',\n\t\t\t'tabindex',\n\t\t\t'tooltip',\n\t\t\t'tooltipPosition',\n\t\t\t'type',\n\t\t\t'withText'\n\t\t).to( this );\n\n\t\tactionView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-splitbutton__action'\n\t\t\t}\n\t\t} );\n\n\t\tactionView.delegate( 'execute' ).to( this );\n\n\t\treturn actionView;\n\t}\n\n\t/**\n\t * Creates a {@link module:ui/button/buttonview~ButtonView} instance as {@link #arrowView} and binds it with main split button\n\t * attributes.\n\t *\n\t * @private\n\t * @returns {module:ui/button/buttonview~ButtonView}\n\t */\n\t_createArrowView() {\n\t\tconst arrowView = new ButtonView();\n\t\tconst bind = arrowView.bindTemplate;\n\n\t\tarrowView.icon = dropdownArrowIcon;\n\n\t\tarrowView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-splitbutton__arrow',\n\t\t\t\t'aria-haspopup': true,\n\t\t\t\t'aria-expanded': bind.to( 'isOn', value => String( value ) )\n\t\t\t}\n\t\t} );\n\n\t\tarrowView.bind( 'isEnabled' ).to( this );\n\n\t\tarrowView.delegate( 'execute' ).to( this, 'open' );\n\n\t\treturn arrowView;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/dropdownpanelview\n */\n\nimport View from '../view';\n\n/**\n * The dropdown panel view class.\n *\n * See {@link module:ui/dropdown/dropdownview~DropdownView} to learn about the common usage.\n *\n * @extends module:ui/view~View\n */\nexport default class DropdownPanelView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Controls whether the panel is visible.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isVisible\n\t\t */\n\t\tthis.set( 'isVisible', false );\n\n\t\t/**\n\t\t * The position of the panel, relative to the parent.\n\t\t *\n\t\t * This property is reflected in the CSS class set to {@link #element} that controls\n\t\t * the position of the panel.\n\t\t *\n\t\t * @observable\n\t\t * @default 'se'\n\t\t * @member {'s'|'se'|'sw'|'sme'|'smw'|'n'|'ne'|'nw'|'nme'|'nmw'} #position\n\t\t */\n\t\tthis.set( 'position', 'se' );\n\n\t\t/**\n\t\t * Collection of the child views in this panel.\n\t\t *\n\t\t * A common child type is the {@link module:ui/list/listview~ListView} and {@link module:ui/toolbar/toolbarview~ToolbarView}.\n\t\t * See {@link module:ui/dropdown/utils~addListToDropdown} and\n\t\t * {@link module:ui/dropdown/utils~addToolbarToDropdown} to learn more about child views of dropdowns.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-reset',\n\t\t\t\t\t'ck-dropdown__panel',\n\t\t\t\t\tbind.to( 'position', value => `ck-dropdown__panel_${ value }` ),\n\t\t\t\t\tbind.if( 'isVisible', 'ck-dropdown__panel-visible' )\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: this.children,\n\n\t\t\ton: {\n\t\t\t\t// Drag and drop in the panel should not break the selection in the editor.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/228\n\t\t\t\tselectstart: bind.to( evt => evt.preventDefault() )\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the view element or first item in view collection on opening dropdown's panel.\n\t *\n\t * See also {@link module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable}.\n\t */\n\tfocus() {\n\t\tif ( this.children.length ) {\n\t\t\tthis.children.first.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the view element or last item in view collection on opening dropdown's panel.\n\t *\n\t * See also {@link module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable}.\n\t */\n\tfocusLast() {\n\t\tif ( this.children.length ) {\n\t\t\tconst lastChild = this.children.last;\n\n\t\t\tif ( typeof lastChild.focusLast === 'function' ) {\n\t\t\t\tlastChild.focusLast();\n\t\t\t} else {\n\t\t\t\tlastChild.focus();\n\t\t\t}\n\t\t}\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./dropdown.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./dropdown.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/position\n */\n\nimport global from './global';\nimport Rect from './rect';\nimport getPositionedAncestor from './getpositionedancestor';\nimport getBorderWidths from './getborderwidths';\nimport { isFunction } from 'lodash-es';\n\n// @if CK_DEBUG_POSITION // import { RectDrawer } from '@ckeditor/ckeditor5-minimap/src/utils';\n\n/**\n * Calculates the `position: absolute` coordinates of a given element so it can be positioned with respect to the\n * target in the visually most efficient way, taking various restrictions like viewport or limiter geometry\n * into consideration.\n *\n *\t\t// The element which is to be positioned.\n *\t\tconst element = document.body.querySelector( '#toolbar' );\n *\n *\t\t// A target to which the element is positioned relatively.\n *\t\tconst target = document.body.querySelector( '#container' );\n *\n *\t\t// Finding the optimal coordinates for the positioning.\n *\t\tconst { left, top, name } = getOptimalPosition( {\n *\t\t\telement: element,\n *\t\t\ttarget: target,\n *\n * \t\t\t// The algorithm will chose among these positions to meet the requirements such\n * \t\t\t// as \"limiter\" element or \"fitInViewport\", set below. The positions are considered\n * \t\t\t// in the order of the array.\n *\t\t\tpositions: [\n *\t\t\t\t//\n *\t\t\t \t//\t[ Target ]\n *\t\t\t\t//\t+-----------------+\n *\t\t\t\t//\t|     Element     |\n *\t\t\t\t//\t+-----------------+\n *\t\t\t\t//\n *\t\t\t\ttargetRect => ( {\n *\t\t\t\t\ttop: targetRect.bottom,\n *\t\t\t\t\tleft: targetRect.left,\n *\t\t\t\t\tname: 'mySouthEastPosition'\n *\t\t\t\t} ),\n *\n *\t\t\t\t//\n *\t\t\t\t//\t+-----------------+\n *\t\t\t\t//\t|     Element     |\n *\t\t\t\t//\t+-----------------+\n *\t\t\t\t//\t[ Target ]\n *\t\t\t\t//\n *\t\t\t\t( targetRect, elementRect ) => ( {\n *\t\t\t\t\ttop: targetRect.top - elementRect.height,\n *\t\t\t\t\tleft: targetRect.left,\n *\t\t\t\t\tname: 'myNorthEastPosition'\n *\t\t\t\t} )\n *\t\t\t],\n *\n *\t\t\t// Find a position such guarantees the element remains within visible boundaries of <body>.\n *\t\t\tlimiter: document.body,\n *\n *\t\t\t// Find a position such guarantees the element remains within visible boundaries of the browser viewport.\n *\t\t\tfitInViewport: true\n *\t\t} );\n *\n *\t\t// The best position which fits into document.body and the viewport. May be useful\n *\t\t// to set proper class on the `element`.\n *\t\tconsole.log( name ); // -> \"myNorthEastPosition\"\n *\n *\t\t// Using the absolute coordinates which has been found to position the element\n *\t\t// as in the diagram depicting the \"myNorthEastPosition\" position.\n *\t\telement.style.top = top;\n *\t\telement.style.left = left;\n *\n * @param {module:utils/dom/position~Options} options The input data and configuration of the helper.\n * @returns {module:utils/dom/position~Position}\n */\nexport function getOptimalPosition( { element, target, positions, limiter, fitInViewport, viewportOffsetConfig } ) {\n\t// If the {@link module:utils/dom/position~Options#target} is a function, use what it returns.\n\t// https://github.com/ckeditor/ckeditor5-utils/issues/157\n\tif ( isFunction( target ) ) {\n\t\ttarget = target();\n\t}\n\n\t// If the {@link module:utils/dom/position~Options#limiter} is a function, use what it returns.\n\t// https://github.com/ckeditor/ckeditor5-ui/issues/260\n\tif ( isFunction( limiter ) ) {\n\t\tlimiter = limiter();\n\t}\n\n\tconst positionedElementAncestor = getPositionedAncestor( element );\n\tconst elementRect = new Rect( element );\n\tconst targetRect = new Rect( target );\n\n\tlet bestPosition;\n\n\t// @if CK_DEBUG_POSITION // RectDrawer.clear();\n\t// @if CK_DEBUG_POSITION // RectDrawer.draw( targetRect, { outlineWidth: '5px' }, 'Target' );\n\n\tconst positionOptions = { targetRect, elementRect, positionedElementAncestor };\n\n\t// If there are no limits, just grab the very first position and be done with that drama.\n\tif ( !limiter && !fitInViewport ) {\n\t\tbestPosition = new Position( positions[ 0 ], positionOptions );\n\t} else {\n\t\tconst limiterRect = limiter && new Rect( limiter ).getVisible();\n\t\tconst viewportRect = fitInViewport && getConstrainedViewportRect( viewportOffsetConfig );\n\n\t\t// @if CK_DEBUG_POSITION // if ( viewportRect ) {\n\t\t// @if CK_DEBUG_POSITION //\t\tRectDrawer.draw( viewportRect, { outlineWidth: '5px' }, 'Viewport' );\n\t\t// @if CK_DEBUG_POSITION // }\n\n\t\t// @if CK_DEBUG_POSITION // if ( limiter ) {\n\t\t// @if CK_DEBUG_POSITION // \tRectDrawer.draw( limiterRect, { outlineWidth: '5px', outlineColor: 'green' }, 'Visible limiter' );\n\t\t// @if CK_DEBUG_POSITION // }\n\n\t\tObject.assign( positionOptions, { limiterRect, viewportRect } );\n\n\t\t// If there's no best position found, i.e. when all intersections have no area because\n\t\t// rects have no width or height, then just use the first available position.\n\t\tbestPosition = getBestPosition( positions, positionOptions ) || new Position( positions[ 0 ], positionOptions );\n\t}\n\n\treturn bestPosition;\n}\n\n// Returns a viewport `Rect` shrunk by the viewport offset config from all sides.\n//\n// @private\n// @param {Object} An object containing viewportOffset config.\n// @returns {utils/dom/rect~Rect} A shrunken rect of the viewport.\nfunction getConstrainedViewportRect( viewportOffsetConfig ) {\n\tviewportOffsetConfig = Object.assign( { top: 0, bottom: 0, left: 0, right: 0 }, viewportOffsetConfig );\n\n\tconst viewportRect = new Rect( global.window );\n\n\tviewportRect.top += viewportOffsetConfig.top;\n\tviewportRect.height -= viewportOffsetConfig.top;\n\tviewportRect.bottom -= viewportOffsetConfig.bottom;\n\tviewportRect.height -= viewportOffsetConfig.bottom;\n\n\treturn viewportRect;\n}\n\n// For a given array of positioning functions, returns such that provides the best\n// fit of the `elementRect` into the `limiterRect` and `viewportRect`.\n//\n// @private\n//\n// @param {Object} options\n// @param {module:utils/dom/position~Options#positions} positions Functions returning\n// {@link module:utils/dom/position~Position}to be checked, in the order of preference.\n// @param {Object} options\n// @param {utils/dom/rect~Rect} options.targetRect A rect of the {@link module:utils/dom/position~Options#target}.\n// @param {utils/dom/rect~Rect} options.elementRect A rect of positioned\n// {@link module:utils/dom/position~Options#element}.\n// @param {utils/dom/rect~Rect} options.limiterRect A rect of the {@link module:utils/dom/position~Options#limiter}.\n// @param {utils/dom/rect~Rect} options.viewportRect A rect of the {@link module:utils/dom/position~Options#viewport}.\n//\n// @returns {Array} An array containing the name of the position and it's rect.\nfunction getBestPosition( positions, options ) {\n\tconst { elementRect } = options;\n\n\t// This is when element is fully visible.\n\tconst elementRectArea = elementRect.getArea();\n\n\tconst positionInstances = positions\n\t\t.map( positioningFunction => new Position( positioningFunction, options ) )\n\t\t// Some positioning functions may return `null` if they don't want to participate.\n\t\t.filter( position => !!position.name );\n\n\tlet maxFitFactor = 0;\n\tlet bestPosition = null;\n\n\tfor ( const position of positionInstances ) {\n\t\tconst { _limiterIntersectionArea, _viewportIntersectionArea } = position;\n\n\t\t// If a such position is found that element is fully contained by the limiter then, obviously,\n\t\t// there will be no better one, so finishing.\n\t\tif ( _limiterIntersectionArea === elementRectArea ) {\n\t\t\treturn position;\n\t\t}\n\n\t\t// To maximize both viewport and limiter intersection areas we use distance on _viewportIntersectionArea\n\t\t// and _limiterIntersectionArea plane (without sqrt because we are looking for max value).\n\t\tconst fitFactor = _viewportIntersectionArea ** 2 + _limiterIntersectionArea ** 2;\n\n\t\tif ( fitFactor > maxFitFactor ) {\n\t\t\tmaxFitFactor = fitFactor;\n\t\t\tbestPosition = position;\n\t\t}\n\t}\n\n\treturn bestPosition;\n}\n\n// For a given absolute Rect coordinates object and a positioned element ancestor, it returns an object with\n// new Rect coordinates that make up for the position and the scroll of the ancestor.\n//\n// This is necessary because while Rects (and DOMRects) are relative to the browser's viewport, their coordinates\n// are used in real–life to position elements with `position: absolute`, which are scoped by any positioned\n// (and scrollable) ancestors.\n//\n// @private\n//\n// @param {utils/dom/rect~Rect} rect A rect with absolute rect coordinates.\n// @param {Number} rect.top\n// @param {Number} rect.left\n// @param {HTMLElement} positionedElementAncestor An ancestor element that should be considered.\n//\n// @returns {utils/dom/rect~Rect} A rect corresponding to `absoluteRect` input but with values shifted\n// to make up for the positioned element ancestor.\nfunction shiftRectToCompensatePositionedAncestor( rect, positionedElementAncestor ) {\n\tconst ancestorPosition = getRectForAbsolutePositioning( new Rect( positionedElementAncestor ) );\n\tconst ancestorBorderWidths = getBorderWidths( positionedElementAncestor );\n\n\tlet moveX = 0;\n\tlet moveY = 0;\n\n\t// (https://github.com/ckeditor/ckeditor5-ui-default/issues/126)\n\t// If there's some positioned ancestor of the panel, then its `Rect` must be taken into\n\t// consideration. `Rect` is always relative to the viewport while `position: absolute` works\n\t// with respect to that positioned ancestor.\n\tmoveX -= ancestorPosition.left;\n\tmoveY -= ancestorPosition.top;\n\n\t// (https://github.com/ckeditor/ckeditor5-utils/issues/139)\n\t// If there's some positioned ancestor of the panel, not only its position must be taken into\n\t// consideration (see above) but also its internal scrolls. Scroll have an impact here because `Rect`\n\t// is relative to the viewport (it doesn't care about scrolling), while `position: absolute`\n\t// must compensate that scrolling.\n\tmoveX += positionedElementAncestor.scrollLeft;\n\tmoveY += positionedElementAncestor.scrollTop;\n\n\t// (https://github.com/ckeditor/ckeditor5-utils/issues/139)\n\t// If there's some positioned ancestor of the panel, then its `Rect` includes its CSS `borderWidth`\n\t// while `position: absolute` positioning does not consider it.\n\t// E.g. `{ position: absolute, top: 0, left: 0 }` means upper left corner of the element,\n\t// not upper-left corner of its border.\n\tmoveX -= ancestorBorderWidths.left;\n\tmoveY -= ancestorBorderWidths.top;\n\n\trect.moveBy( moveX, moveY );\n}\n\n// DOMRect (also Rect) works in a scroll–independent geometry but `position: absolute` doesn't.\n// This function converts Rect to `position: absolute` coordinates.\n//\n// @private\n// @param {utils/dom/rect~Rect} rect A rect to be converted.\n// @returns {Object} Object containing `left` and `top` properties, in absolute coordinates.\nfunction getRectForAbsolutePositioning( rect ) {\n\tconst { scrollX, scrollY } = global.window;\n\n\treturn rect.clone().moveBy( scrollX, scrollY );\n}\n\n/**\n * A position class which instances are created and used by the {@link module:utils/dom/position~getOptimalPosition} helper.\n *\n * {@link module:utils/dom/position~Position#top} and {@link module:utils/dom/position~Position#left} properties of the position instance\n * translate directly to the `top` and `left` properties in CSS \"`position: absolute` coordinate system\". If set on the positioned element\n * in DOM, they will make it display it in the right place in the viewport.\n */\nexport class Position {\n\t/**\n\t * Creates an instance of the {@link module:utils/dom/position~Position} class.\n\t *\n\t * @param {module:utils/dom/position~positioningFunction} [positioningFunction] function The function that defines the expected\n\t * coordinates the positioned element should move to.\n\t * @param {Object} [options] options object.\n\t * @param {module:utils/dom/rect~Rect} options.elementRect The positioned element rect.\n\t * @param {module:utils/dom/rect~Rect} options.targetRect The target element rect.\n\t * @param {module:utils/dom/rect~Rect} options.viewportRect The viewport rect.\n\t * @param {HTMLElement|null} [options.positionedElementAncestor] Nearest element ancestor element which CSS position is not \"static\".\n\t */\n\tconstructor( positioningFunction, options ) {\n\t\tconst positioningFunctionOutput = positioningFunction( options.targetRect, options.elementRect, options.viewportRect );\n\n\t\t// Nameless position for a function that didn't participate.\n\t\tif ( !positioningFunctionOutput ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst { left, top, name, config } = positioningFunctionOutput;\n\n\t\tObject.assign( this, { name, config } );\n\n\t\tthis._positioningFunctionCorrdinates = { left, top };\n\t\tthis._options = options;\n\n\t\t/**\n\t\t * Position name.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} #name\n\t\t */\n\n\t\t/**\n\t\t * Additional position configuration, as passed from the {@link module:utils/dom/position~positioningFunction positioning function}.\n\t\t *\n\t\t * This object can be use, for instance, to pass through presentation options used by the consumer of the\n\t\t * {@link module:utils/dom/position~getOptimalPosition} helper.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Object} #config\n\t\t */\n\t}\n\n\t/**\n\t * The left value in pixels in the CSS `position: absolute` coordinate system.\n\t * Set it on the positioned element in DOM to move it to the position.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget left() {\n\t\treturn this._absoluteRect.left;\n\t}\n\n\t/**\n\t * The top value in pixels in the CSS `position: absolute` coordinate system.\n\t * Set it on the positioned element in DOM to move it to the position.\n\t *\n\t * @readonly\n\t * @type {Number}\n\t */\n\tget top() {\n\t\treturn this._absoluteRect.top;\n\t}\n\n\t/**\n\t * An intersection area between positioned element and limiter within viewport constraints.\n\t *\n\t * @readonly\n\t * @private\n\t * @type {Number}\n\t */\n\tget _limiterIntersectionArea() {\n\t\tconst limiterRect = this._options.limiterRect;\n\n\t\tif ( limiterRect ) {\n\t\t\tconst viewportRect = this._options.viewportRect;\n\n\t\t\tif ( viewportRect ) {\n\t\t\t\t// Consider only the part of the limiter which is visible in the viewport. So the limiter is getting limited.\n\t\t\t\tconst limiterViewportIntersectRect = limiterRect.getIntersection( viewportRect );\n\n\t\t\t\tif ( limiterViewportIntersectRect ) {\n\t\t\t\t\t// If the limiter is within the viewport, then check the intersection between that part of the\n\t\t\t\t\t// limiter and actual position.\n\t\t\t\t\treturn limiterViewportIntersectRect.getIntersectionArea( this._rect );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\treturn limiterRect.getIntersectionArea( this._rect );\n\t\t\t}\n\t\t}\n\n\t\treturn 0;\n\t}\n\n\t/**\n\t * An intersection area between positioned element and viewport.\n\t *\n\t * @readonly\n\t * @private\n\t * @type {Number}\n\t */\n\tget _viewportIntersectionArea() {\n\t\tconst viewportRect = this._options.viewportRect;\n\n\t\tif ( viewportRect ) {\n\t\t\treturn viewportRect.getIntersectionArea( this._rect );\n\t\t}\n\n\t\treturn 0;\n\t}\n\n\t/**\n\t * An already positioned element rect. A clone of the element rect passed to the constructor\n\t * but placed in the viewport according to the positioning function.\n\t *\n\t * @private\n\t * @type {module:utils/dom/rect~Rect}\n\t */\n\tget _rect() {\n\t\tif ( this._cachedRect ) {\n\t\t\treturn this._cachedRect;\n\t\t}\n\n\t\tthis._cachedRect = this._options.elementRect.clone().moveTo(\n\t\t\tthis._positioningFunctionCorrdinates.left,\n\t\t\tthis._positioningFunctionCorrdinates.top\n\t\t);\n\n\t\treturn this._cachedRect;\n\t}\n\n\t/**\n\t * An already absolutely positioned element rect. See ({@link #_rect}).\n\t *\n\t * @private\n\t * @type {module:utils/dom/rect~Rect}\n\t */\n\tget _absoluteRect() {\n\t\tif ( this._cachedAbsoluteRect ) {\n\t\t\treturn this._cachedAbsoluteRect;\n\t\t}\n\n\t\tthis._cachedAbsoluteRect = getRectForAbsolutePositioning( this._rect );\n\n\t\tif ( this._options.positionedElementAncestor ) {\n\t\t\tshiftRectToCompensatePositionedAncestor( this._cachedAbsoluteRect, this._options.positionedElementAncestor );\n\t\t}\n\n\t\treturn this._cachedAbsoluteRect;\n\t}\n}\n\n/**\n * The `getOptimalPosition()` helper options.\n *\n * @interface module:utils/dom/position~Options\n */\n\n/**\n * Element that is to be positioned.\n *\n * @member {HTMLElement} #element\n */\n\n/**\n * Target with respect to which the `element` is to be positioned.\n *\n * @member {HTMLElement|Range|Window|ClientRect|DOMRect|module:utils/dom/rect~Rect|Object|Function} #target\n */\n\n/**\n * An array of positioning functions.\n *\n * **Note**: Positioning functions are processed in the order of preference. The first function that works\n * in the current environment (e.g. offers the complete fit in the viewport geometry) will be picked by\n * `getOptimalPosition()`.\n *\n * **Note**: Any positioning function returning `null` is ignored.\n *\n * @member {Array.<module:utils/dom/position~positioningFunction>} #positions\n */\n\n/**\n * When set, the algorithm will chose position which fits the most in the\n * limiter's bounding rect.\n *\n * @member {HTMLElement|Range|Window|ClientRect|DOMRect|module:utils/dom/rect~Rect|Object|Function} #limiter\n */\n\n/**\n * When set, the algorithm will chose such a position which fits `element`\n * the most inside visible viewport.\n *\n * @member {Boolean} #fitInViewport\n */\n\n/**\n * Viewport offset config object. It restricts the visible viewport available to the `getOptimalPosition()` from each side.\n *\n *\t\t{\n *\t\t\ttop: 50,\n *\t\t\tright: 50,\n *\t\t\tbottom: 50,\n *\t\t\tleft: 50\n *\t\t}\n *\n * @member {Object} #viewportOffsetConfig\n */\n\n/**\n * A positioning function which, based on positioned element and target {@link module:utils/dom/rect~Rect Rects}, returns rect coordinates\n * representing the geometrical relation between them. Used by the {@link module:utils/dom/position~getOptimalPosition} helper.\n *\n *\t\t// This simple position will place the element directly under the target, in the middle:\n *\t\t//\n *\t\t//\t    [ Target ]\n *\t\t//\t+-----------------+\n *\t\t//\t|     Element     |\n *\t\t//\t+-----------------+\n *\t\t//\n *\t\tconst position = ( targetRect, elementRect, [ viewportRect ] ) => ( {\n *\t\t\ttop: targetRect.bottom,\n *\t\t\tleft: targetRect.left + targetRect.width / 2 - elementRect.width / 2,\n *\t\t\tname: 'bottomMiddle',\n *\n *\t\t\t// Note: The config is optional.\n *\t\t\tconfig: {\n *\t\t\t\tzIndex: '999'\n *\t\t\t}\n *\t\t} );\n *\n * @callback module:utils/dom/position~positioningFunction\n * @param {module:utils/dom/rect~Rect} elementRect The rect of the element to be positioned.\n * @param {module:utils/dom/rect~Rect} targetRect The rect of the target the element (its rect) is relatively positioned to.\n * @param {module:utils/dom/rect~Rect} viewportRect The rect of the visual browser viewport.\n * @returns {Object|null} return When the function returns `null`, it will not be considered by\n * {@link module:utils/dom/position~getOptimalPosition}.\n * @returns {Number} return.top The `top` value of the element rect that would represent the position.\n * @returns {Number} return.left The `left` value of the element rect that would represent the position.\n * @returns {Number} return.name The name of the position. It helps the user of the {@link module:utils/dom/position~getOptimalPosition}\n * helper to recognize different positioning function results. It will pass through to the {@link module:utils/dom/position~Position}\n * returned by the helper.\n * @returns {Number} [return.config] An optional configuration that will pass-through the\n * {@link module:utils/dom/position~getOptimalPosition} helper to the {@link module:utils/dom/position~Position} returned by this helper.\n * This configuration may, for instance, let the user of {@link module:utils/dom/position~getOptimalPosition} know that this particular\n * position comes with a certain presentation.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/getpositionedancestor\n */\n\nimport global from './global';\n\n/**\n * For a given element, returns the nearest ancestor element which CSS position is not \"static\".\n *\n * @param {HTMLElement} element The native DOM element to be checked.\n * @returns {HTMLElement|null}\n */\nexport default function getPositionedAncestor( element ) {\n\tif ( !element || !element.parentNode ) {\n\t\treturn null;\n\t}\n\n\tif ( element.offsetParent === global.document.body ) {\n\t\treturn null;\n\t}\n\n\treturn element.offsetParent;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/dropdownview\n */\n\nimport View from '../view';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\n\nimport '../../theme/components/dropdown/dropdown.css';\n\nimport { getOptimalPosition } from '@ckeditor/ckeditor5-utils/src/dom/position';\n\n/**\n * The dropdown view class. It manages the dropdown button and dropdown panel.\n *\n * In most cases, the easiest way to create a dropdown is by using the {@link module:ui/dropdown/utils~createDropdown}\n * util:\n *\n *\t\tconst dropdown = createDropdown( locale );\n *\n *\t\t// Configure dropdown's button properties:\n *\t\tdropdown.buttonView.set( {\n *\t\t\tlabel: 'A dropdown',\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tdropdown.render();\n *\n *\t\tdropdown.panelView.element.textContent = 'Content of the panel';\n *\n *\t\t// Will render a dropdown with a panel containing a \"Content of the panel\" text.\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * If you want to add a richer content to the dropdown panel, you can use the {@link module:ui/dropdown/utils~addListToDropdown}\n * and {@link module:ui/dropdown/utils~addToolbarToDropdown} helpers. See more examples in\n * {@link module:ui/dropdown/utils~createDropdown} documentation.\n *\n * If you want to create a completely custom dropdown, then you can compose it manually:\n *\n *\t\tconst button = new DropdownButtonView( locale );\n *\t\tconst panel = new DropdownPanelView( locale );\n *\t\tconst dropdown = new DropdownView( locale, button, panel );\n *\n *\t\tbutton.set( {\n *\t\t\tlabel: 'A dropdown',\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tdropdown.render();\n *\n *\t\tpanel.element.textContent = 'Content of the panel';\n *\n *\t\t// Will render a dropdown with a panel containing a \"Content of the panel\" text.\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * However, dropdown created this way will contain little behavior. You will need to implement handlers for actions\n * such as {@link module:ui/bindings/clickoutsidehandler~clickOutsideHandler clicking outside an open dropdown}\n * (which should close it) and support for arrow keys inside the panel. Therefore, unless you really know what\n * you do and you really need to do it, it is recommended to use the {@link module:ui/dropdown/utils~createDropdown} helper.\n *\n * @extends module:ui/view~View\n */\nexport default class DropdownView extends View {\n\t/**\n\t * Creates an instance of the dropdown.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {module:ui/dropdown/button/dropdownbutton~DropdownButton} buttonView\n\t * @param {module:ui/dropdown/dropdownpanelview~DropdownPanelView} panelView\n\t */\n\tconstructor( locale, buttonView, panelView ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Button of the dropdown view. Clicking the button opens the {@link #panelView}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/button/buttonview~ButtonView} #buttonView\n\t\t */\n\t\tthis.buttonView = buttonView;\n\n\t\t/**\n\t\t * Panel of the dropdown. It opens when the {@link #buttonView} is\n\t\t * {@link module:ui/button/buttonview~ButtonView#event:execute executed} (i.e. clicked).\n\t\t *\n\t\t * Child views can be added to the panel's `children` collection:\n\t\t *\n\t\t *\t\tdropdown.panelView.children.add( childView );\n\t\t *\n\t\t * See {@link module:ui/dropdown/dropdownpanelview~DropdownPanelView#children} and\n\t\t * {@link module:ui/viewcollection~ViewCollection#add}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/dropdown/dropdownpanelview~DropdownPanelView} #panelView\n\t\t */\n\t\tthis.panelView = panelView;\n\n\t\t/**\n\t\t * Controls whether the dropdown view is open, i.e. shows or hides the {@link #panelView panel}.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isOpen\n\t\t */\n\t\tthis.set( 'isOpen', false );\n\n\t\t/**\n\t\t * Controls whether the dropdown is enabled, i.e. it can be clicked and execute an action.\n\t\t *\n\t\t * See {@link module:ui/button/buttonview~ButtonView#isEnabled}.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\t/**\n\t\t * (Optional) The additional CSS class set on the dropdown {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class' );\n\n\t\t/**\n\t\t * (Optional) The `id` attribute of the dropdown (i.e. to pair with a `<label>` element).\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #id\n\t\t */\n\t\tthis.set( 'id' );\n\n\t\t/**\n\t\t * The position of the panel, relative to the dropdown.\n\t\t *\n\t\t * **Note**: When `'auto'`, the panel will use one of the remaining positions to stay\n\t\t * in the viewport, visible to the user. The positions correspond directly to\n\t\t * {@link module:ui/dropdown/dropdownview~DropdownView.defaultPanelPositions default panel positions}.\n\t\t *\n\t\t * **Note**: This value has an impact on the\n\t\t * {@link module:ui/dropdown/dropdownpanelview~DropdownPanelView#position} property\n\t\t * each time the panel becomes {@link #isOpen open}.\n\t\t *\n\t\t * @observable\n\t\t * @default 'auto'\n\t\t * @member {'auto'|'s'|'se'|'sw'|'sme'|'smw'|'n'|'ne'|'nw'|'nme'|'nmw'} #panelPosition\n\t\t */\n\t\tthis.set( 'panelPosition', 'auto' );\n\n\t\t/**\n\t\t * Instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}. It manages\n\t\t * keystrokes of the dropdown:\n\t\t *\n\t\t * * <kbd>▼</kbd> opens the dropdown,\n\t\t * * <kbd>◀</kbd> and <kbd>Esc</kbd> closes the dropdown.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-dropdown',\n\t\t\t\t\tbind.to( 'class' ),\n\t\t\t\t\tbind.if( 'isEnabled', 'ck-disabled', value => !value )\n\t\t\t\t],\n\t\t\t\tid: bind.to( 'id' ),\n\t\t\t\t'aria-describedby': bind.to( 'ariaDescribedById' )\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\tbuttonView,\n\t\t\t\tpanelView\n\t\t\t]\n\t\t} );\n\n\t\tbuttonView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-dropdown__button'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * A child {@link module:ui/list/listview~ListView list view} of the dropdown located\n\t\t * in its {@link module:ui/dropdown/dropdownview~DropdownView#panelView panel}.\n\t\t *\n\t\t * **Note**: Only supported when dropdown has list view added using {@link module:ui/dropdown/utils~addListToDropdown}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/list/listview~ListView} #listView\n\t\t */\n\n\t\t/**\n\t\t * A child toolbar of the dropdown located in the\n\t\t * {@link module:ui/dropdown/dropdownview~DropdownView#panelView panel}.\n\t\t *\n\t\t * **Note**: Only supported when dropdown has list view added using {@link module:ui/dropdown/utils~addToolbarToDropdown}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ToolbarView} #toolbarView\n\t\t */\n\n\t\t/**\n\t\t * Fired when the toolbar button or list item is executed.\n\t\t *\n\t\t * For {@link #listView} It fires when a child of some {@link module:ui/list/listitemview~ListItemView}\n\t\t * fired `execute`.\n\t\t *\n\t\t * For {@link #toolbarView} It fires when one of the buttons has been\n\t\t * {@link module:ui/button/buttonview~ButtonView#event:execute executed}.\n\t\t *\n\t\t * **Note**: Only supported when dropdown has list view added using {@link module:ui/dropdown/utils~addListToDropdown}\n\t\t * or {@link module:ui/dropdown/utils~addToolbarToDropdown}.\n\t\t *\n\t\t * @event execute\n\t\t */\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Toggle the dropdown when its button has been clicked.\n\t\tthis.listenTo( this.buttonView, 'open', () => {\n\t\t\tthis.isOpen = !this.isOpen;\n\t\t} );\n\n\t\t// Toggle the visibility of the panel when the dropdown becomes open.\n\t\tthis.panelView.bind( 'isVisible' ).to( this, 'isOpen' );\n\n\t\t// Let the dropdown control the position of the panel. The position must\n\t\t// be updated every time the dropdown is open.\n\t\tthis.on( 'change:isOpen', () => {\n\t\t\tif ( !this.isOpen ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// If \"auto\", find the best position of the panel to fit into the viewport.\n\t\t\t// Otherwise, simply assign the static position.\n\t\t\tif ( this.panelPosition === 'auto' ) {\n\t\t\t\tthis.panelView.position = DropdownView._getOptimalPosition( {\n\t\t\t\t\telement: this.panelView.element,\n\t\t\t\t\ttarget: this.buttonView.element,\n\t\t\t\t\tfitInViewport: true,\n\t\t\t\t\tpositions: this._panelPositions\n\t\t\t\t} ).name;\n\t\t\t} else {\n\t\t\t\tthis.panelView.position = this.panelPosition;\n\t\t\t}\n\t\t} );\n\n\t\t// Listen for keystrokes coming from within #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\n\t\tconst closeDropdown = ( data, cancel ) => {\n\t\t\tif ( this.isOpen ) {\n\t\t\t\tthis.buttonView.focus();\n\t\t\t\tthis.isOpen = false;\n\t\t\t\tcancel();\n\t\t\t}\n\t\t};\n\n\t\t// Open the dropdown panel using the arrow down key, just like with return or space.\n\t\tthis.keystrokes.set( 'arrowdown', ( data, cancel ) => {\n\t\t\t// Don't open if the dropdown is disabled or already open.\n\t\t\tif ( this.buttonView.isEnabled && !this.isOpen ) {\n\t\t\t\tthis.isOpen = true;\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\n\t\t// Block the right arrow key (until nested dropdowns are implemented).\n\t\tthis.keystrokes.set( 'arrowright', ( data, cancel ) => {\n\t\t\tif ( this.isOpen ) {\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\n\t\t// Close the dropdown using the arrow left/escape key.\n\t\tthis.keystrokes.set( 'arrowleft', closeDropdown );\n\t\tthis.keystrokes.set( 'esc', closeDropdown );\n\t}\n\n\t/**\n\t * Focuses the {@link #buttonView}.\n\t */\n\tfocus() {\n\t\tthis.buttonView.focus();\n\t}\n\n\t/**\n\t * Returns {@link #panelView panel} positions to be used by the\n\t * {@link module:utils/dom/position~getOptimalPosition `getOptimalPosition()`}\n\t * utility considering the direction of the language the UI of the editor is displayed in.\n\t *\n\t * @type {module:utils/dom/position~Options#positions}\n\t * @private\n\t */\n\tget _panelPositions() {\n\t\tconst {\n\t\t\tsouth, north,\n\t\t\tsouthEast, southWest,\n\t\t\tnorthEast, northWest,\n\t\t\tsouthMiddleEast, southMiddleWest,\n\t\t\tnorthMiddleEast, northMiddleWest\n\t\t} = DropdownView.defaultPanelPositions;\n\n\t\tif ( this.locale.uiLanguageDirection !== 'rtl' ) {\n\t\t\treturn [\n\t\t\t\tsouthEast, southWest, southMiddleEast, southMiddleWest, south,\n\t\t\t\tnorthEast, northWest, northMiddleEast, northMiddleWest, north\n\t\t\t];\n\t\t} else {\n\t\t\treturn [\n\t\t\t\tsouthWest, southEast, southMiddleWest, southMiddleEast, south,\n\t\t\t\tnorthWest, northEast, northMiddleWest, northMiddleEast, north\n\t\t\t];\n\t\t}\n\t}\n}\n\n/**\n * A set of positioning functions used by the dropdown view to determine\n * the optimal position (i.e. fitting into the browser viewport) of its\n * {@link module:ui/dropdown/dropdownview~DropdownView#panelView panel} when\n * {@link module:ui/dropdown/dropdownview~DropdownView#panelPosition} is set to 'auto'`.\n *\n * The available positioning functions are as follow:\n *\n * **South**\n *\n * * `south`\n *\n *\t\t\t[ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * * `southEast`\n *\n *\t\t[ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * * `southWest`\n *\n *\t\t         [ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * * `southMiddleEast`\n *\n *\t\t  [ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * * `southMiddleWest`\n *\n *\t\t       [ Button ]\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\n * **North**\n *\n * * `north`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t    [ Button ]\n *\n * * `northEast`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t[ Button ]\n *\n * * `northWest`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t         [ Button ]\n *\n * * `northMiddleEast`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t  [ Button ]\n *\n * * `northMiddleWest`\n *\n *\t\t+-----------------+\n *\t\t|      Panel      |\n *\t\t+-----------------+\n *\t\t       [ Button ]\n *\n * Positioning functions are compatible with {@link module:utils/dom/position~Position}.\n *\n * The name that position function returns will be reflected in dropdown panel's class that\n * controls its placement. See {@link module:ui/dropdown/dropdownview~DropdownView#panelPosition}\n * to learn more.\n *\n * @member {Object} module:ui/dropdown/dropdownview~DropdownView.defaultPanelPositions\n */\nDropdownView.defaultPanelPositions = {\n\tsouth: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) / 2,\n\t\t\tname: 's'\n\t\t};\n\t},\n\tsouthEast: buttonRect => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left,\n\t\t\tname: 'se'\n\t\t};\n\t},\n\tsouthWest: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left - panelRect.width + buttonRect.width,\n\t\t\tname: 'sw'\n\t\t};\n\t},\n\tsouthMiddleEast: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) / 4,\n\t\t\tname: 'sme'\n\t\t};\n\t},\n\tsouthMiddleWest: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.bottom,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) * 3 / 4,\n\t\t\tname: 'smw'\n\t\t};\n\t},\n\tnorth: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) / 2,\n\t\t\tname: 'n'\n\t\t};\n\t},\n\tnorthEast: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left,\n\t\t\tname: 'ne'\n\t\t};\n\t},\n\tnorthWest: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left - panelRect.width + buttonRect.width,\n\t\t\tname: 'nw'\n\t\t};\n\t},\n\tnorthMiddleEast: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) / 4,\n\t\t\tname: 'nme'\n\t\t};\n\t},\n\tnorthMiddleWest: ( buttonRect, panelRect ) => {\n\t\treturn {\n\t\t\ttop: buttonRect.top - panelRect.height,\n\t\t\tleft: buttonRect.left - ( panelRect.width - buttonRect.width ) * 3 / 4,\n\t\t\tname: 'nmw'\n\t\t};\n\t}\n};\n\n/**\n * A function used to calculate the optimal position for the dropdown panel.\n *\n * @protected\n * @member {Function} module:ui/dropdown/dropdownview~DropdownView._getOptimalPosition\n */\nDropdownView._getOptimalPosition = getOptimalPosition;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/toolbarseparatorview\n */\n\nimport View from '../view';\n\n/**\n * The toolbar separator view class.\n *\n * @extends module:ui/view~View\n */\nexport default class ToolbarSeparatorView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-toolbar__separator'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/toolbarlinebreakview\n */\n\nimport View from '../view';\n\n/**\n * The toolbar line break view class.\n *\n * @extends module:ui/view~View\n */\nexport default class ToolbarLineBreakView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-toolbar__line-break'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./toolbar.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./toolbar.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/toolbarview\n */\n\nimport View from '../view';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '../focuscycler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\nimport ToolbarSeparatorView from './toolbarseparatorview';\nimport ToolbarLineBreakView from './toolbarlinebreakview';\nimport ResizeObserver from '@ckeditor/ckeditor5-utils/src/dom/resizeobserver';\nimport preventDefault from '../bindings/preventdefault.js';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport isVisible from '@ckeditor/ckeditor5-utils/src/dom/isvisible';\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport { createDropdown, addToolbarToDropdown } from '../dropdown/utils';\nimport { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport normalizeToolbarConfig from './normalizetoolbarconfig';\nimport threeVerticalDots from '@ckeditor/ckeditor5-core/theme/icons/three-vertical-dots.svg';\n\nimport '../../theme/components/toolbar/toolbar.css';\n\n/**\n * The toolbar view class.\n *\n * @extends module:ui/view~View\n * @implements module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable\n */\nexport default class ToolbarView extends View {\n\t/**\n\t * Creates an instance of the {@link module:ui/toolbar/toolbarview~ToolbarView} class.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} locale The localization services instance.\n\t * @param {module:ui/toolbar/toolbarview~ToolbarOptions} [options] Configuration options of the toolbar.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\t\tconst t = this.t;\n\n\t\t/**\n\t\t * A reference to the options object passed to the constructor.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ToolbarOptions}\n\t\t */\n\t\tthis.options = options || {};\n\n\t\t/**\n\t\t * Label used by assistive technologies to describe this toolbar element.\n\t\t *\n\t\t * @default 'Editor toolbar'\n\t\t * @member {String} #ariaLabel\n\t\t */\n\t\tthis.set( 'ariaLabel', t( 'Editor toolbar' ) );\n\n\t\t/**\n\t\t * The maximum width of the toolbar element.\n\t\t *\n\t\t * **Note**: When set to a specific value (e.g. `'200px'`), the value will affect the behavior of the\n\t\t * {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull}\n\t\t * option by changing the number of {@link #items} that will be displayed in the toolbar at a time.\n\t\t *\n\t\t * @observable\n\t\t * @default 'auto'\n\t\t * @member {String} #maxWidth\n\t\t */\n\t\tthis.set( 'maxWidth', 'auto' );\n\n\t\t/**\n\t\t * A collection of toolbar items (buttons, dropdowns, etc.).\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this.createCollection();\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the toolbar.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}\n\t\t * to handle keyboard navigation in the toolbar.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * An additional CSS class added to the {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class' );\n\n\t\t/**\n\t\t * When set true, makes the toolbar look compact with {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @default false\n\t\t * @member {String} #isCompact\n\t\t */\n\t\tthis.set( 'isCompact', false );\n\n\t\t/**\n\t\t * A (child) view containing {@link #items toolbar items}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ItemsView}\n\t\t */\n\t\tthis.itemsView = new ItemsView( locale );\n\n\t\t/**\n\t\t * A top–level collection aggregating building blocks of the toolbar.\n\t\t *\n\t\t *\t┌───────────────── ToolbarView ─────────────────┐\n\t\t *\t| ┌──────────────── #children ────────────────┐ |\n\t\t *\t| |   ┌──────────── #itemsView ───────────┐   | |\n\t\t *\t| |   | [ item1 ] [ item2 ] ... [ itemN ] |   | |\n\t\t *\t| |   └──────────────────────────────────-┘   | |\n\t\t *\t| └───────────────────────────────────────────┘ |\n\t\t *\t└───────────────────────────────────────────────┘\n\t\t *\n\t\t * By default, it contains the {@link #itemsView} but it can be extended with additional\n\t\t * UI elements when necessary.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\t\tthis.children.add( this.itemsView );\n\n\t\t/**\n\t\t * A collection of {@link #items} that take part in the focus cycling\n\t\t * (i.e. navigation using the keyboard). Usually, it contains a subset of {@link #items} with\n\t\t * some optional UI elements that also belong to the toolbar and should be focusable\n\t\t * by the user.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.focusables = this.createCollection();\n\n\t\t/**\n\t\t * Controls the orientation of toolbar items. Only available when\n\t\t * {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull dynamic items grouping}\n\t\t * is **disabled**.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isVertical\n\t\t */\n\n\t\t/**\n\t\t * Helps cycling over {@link #focusables focusable items} in the toolbar.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\n\t\tconst isRtl = locale.uiLanguageDirection === 'rtl';\n\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this.focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate toolbar items backwards using the arrow[left,up] keys.\n\t\t\t\tfocusPrevious: [ isRtl ? 'arrowright' : 'arrowleft', 'arrowup' ],\n\n\t\t\t\t// Navigate toolbar items forwards using the arrow[right,down] keys.\n\t\t\t\tfocusNext: [ isRtl ? 'arrowleft' : 'arrowright', 'arrowdown' ]\n\t\t\t}\n\t\t} );\n\n\t\tconst classes = [\n\t\t\t'ck',\n\t\t\t'ck-toolbar',\n\t\t\tbind.to( 'class' ),\n\t\t\tbind.if( 'isCompact', 'ck-toolbar_compact' )\n\t\t];\n\n\t\tif ( this.options.shouldGroupWhenFull && this.options.isFloating ) {\n\t\t\tclasses.push( 'ck-toolbar_floating' );\n\t\t}\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: classes,\n\t\t\t\trole: 'toolbar',\n\t\t\t\t'aria-label': bind.to( 'ariaLabel' ),\n\t\t\t\tstyle: {\n\t\t\t\t\tmaxWidth: bind.to( 'maxWidth' )\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tchildren: this.children,\n\n\t\t\ton: {\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/206\n\t\t\t\tmousedown: preventDefault( this )\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * An instance of the active toolbar behavior that shapes its look and functionality.\n\t\t *\n\t\t * See {@link module:ui/toolbar/toolbarview~ToolbarBehavior} to learn more.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ToolbarBehavior}\n\t\t */\n\t\tthis._behavior = this.options.shouldGroupWhenFull ? new DynamicGrouping( this ) : new StaticLayout( this );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Children added before rendering should be known to the #focusTracker.\n\t\tfor ( const item of this.items ) {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t}\n\n\t\tthis.items.on( 'add', ( evt, item ) => {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t} );\n\n\t\tthis.items.on( 'remove', ( evt, item ) => {\n\t\t\tthis.focusTracker.remove( item.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\n\t\tthis._behavior.render( this );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis._behavior.destroy();\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\n\t\treturn super.destroy();\n\t}\n\n\t/**\n\t * Focuses the first focusable in {@link #focusables}.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Focuses the last focusable in {@link #focusables}.\n\t */\n\tfocusLast() {\n\t\tthis._focusCycler.focusLast();\n\t}\n\n\t/**\n\t * A utility that expands the plain toolbar configuration into\n\t * {@link module:ui/toolbar/toolbarview~ToolbarView#items} using a given component factory.\n\t *\n\t * @param {Array.<String>|Object} itemsOrConfig The toolbar items or the entire toolbar configuration object.\n\t * @param {module:ui/componentfactory~ComponentFactory} factory A factory producing toolbar items.\n\t */\n\tfillFromConfig( itemsOrConfig, factory ) {\n\t\tconst config = normalizeToolbarConfig( itemsOrConfig );\n\n\t\tconst itemsToClean = config.items\n\t\t\t.filter( ( name, idx, items ) => {\n\t\t\t\tif ( name === '|' ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\t// Items listed in `config.removeItems` should not be added to the toolbar.\n\t\t\t\tif ( config.removeItems.indexOf( name ) !== -1 ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\tif ( name === '-' ) {\n\t\t\t\t\t// The toolbar line breaks must not be rendered when toolbar grouping is enabled.\n\t\t\t\t\t// (https://github.com/ckeditor/ckeditor5/issues/8582)\n\t\t\t\t\tif ( this.options.shouldGroupWhenFull ) {\n\t\t\t\t\t\t/**\n\t\t\t\t\t\t * The toolbar multiline breaks (`-` items) only work when the automatic button grouping\n\t\t\t\t\t\t * is disabled in the toolbar configuration.\n\t\t\t\t\t\t * To do this, set the `shouldNotGroupWhenFull` option to `true` in the editor configuration:\n\t\t\t\t\t\t *\n\t\t\t\t\t\t *\t\tconst config = {\n\t\t\t\t\t\t *\t\t\ttoolbar: {\n\t\t\t\t\t\t *\t\t\t\titems: [ ... ],\n\t\t\t\t\t\t *\t\t\t\tshouldNotGroupWhenFull: true\n\t\t\t\t\t\t *\t\t\t}\n\t\t\t\t\t\t *\t\t}\n\t\t\t\t\t\t *\n\t\t\t\t\t\t * Learn more about {@link module:core/editor/editorconfig~EditorConfig#toolbar toolbar configuration}.\n\t\t\t\t\t\t *\n\t\t\t\t\t\t * @error toolbarview-line-break-ignored-when-grouping-items\n\t\t\t\t\t\t */\n\t\t\t\t\t\tlogWarning( 'toolbarview-line-break-ignored-when-grouping-items', items );\n\n\t\t\t\t\t\treturn false;\n\t\t\t\t\t}\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\t// For the items that cannot be instantiated we are sending warning message. We also filter them out.\n\t\t\t\tif ( !factory.has( name ) ) {\n\t\t\t\t\t/**\n\t\t\t\t\t * There was a problem processing the configuration of the toolbar. The item with the given\n\t\t\t\t\t * name does not exist so it was omitted when rendering the toolbar.\n\t\t\t\t\t *\n\t\t\t\t\t * This warning usually shows up when the {@link module:core/plugin~Plugin} which is supposed\n\t\t\t\t\t * to provide a toolbar item has not been loaded or there is a typo in the configuration.\n\t\t\t\t\t *\n\t\t\t\t\t * Make sure the plugin responsible for this toolbar item is loaded and the toolbar configuration\n\t\t\t\t\t * is correct, e.g. {@link module:basic-styles/bold~Bold} is loaded for the `'bold'` toolbar item.\n\t\t\t\t\t *\n\t\t\t\t\t * You can use the following snippet to retrieve all available toolbar items:\n\t\t\t\t\t *\n\t\t\t\t\t *\t\tArray.from( editor.ui.componentFactory.names() );\n\t\t\t\t\t *\n\t\t\t\t\t * @error toolbarview-item-unavailable\n\t\t\t\t\t * @param {String} name The name of the component.\n\t\t\t\t\t */\n\t\t\t\t\tlogWarning( 'toolbarview-item-unavailable', { name } );\n\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\treturn true;\n\t\t\t} );\n\n\t\tconst itemsToAdd = this._cleanSeparators( itemsToClean )\n\t\t\t// Instantiate toolbar items.\n\t\t\t.map( name => {\n\t\t\t\tif ( name === '|' ) {\n\t\t\t\t\treturn new ToolbarSeparatorView();\n\t\t\t\t} else if ( name === '-' ) {\n\t\t\t\t\treturn new ToolbarLineBreakView();\n\t\t\t\t}\n\n\t\t\t\treturn factory.create( name );\n\t\t\t} );\n\n\t\tthis.items.addMany( itemsToAdd );\n\t}\n\n\t/**\n\t * Remove leading, trailing, and duplicated separators (`-` and `|`).\n\t *\n\t * @private\n\t * @param {Array.<String>} items\n\t */\n\t_cleanSeparators( items ) {\n\t\tconst nonSeparatorPredicate = item => ( item !== '-' && item !== '|' );\n\t\tconst count = items.length;\n\n\t\t// Find an index of the first item that is not a separator.\n\t\tconst firstCommandItem = items.findIndex( nonSeparatorPredicate );\n\n\t\t// Search from the end of the list, then convert found index back to the original direction.\n\t\tconst lastCommandItem = count - items\n\t\t\t.slice()\n\t\t\t.reverse()\n\t\t\t.findIndex( nonSeparatorPredicate );\n\n\t\treturn items\n\t\t\t// Return items without the leading and trailing separators.\n\t\t\t.slice( firstCommandItem, lastCommandItem )\n\t\t\t// Remove duplicated separators.\n\t\t\t.filter( ( name, idx, items ) => {\n\t\t\t\t// Filter only separators.\n\t\t\t\tif ( nonSeparatorPredicate( name ) ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t\tconst isDuplicated = idx > 0 && items[ idx - 1 ] === name;\n\n\t\t\t\treturn !isDuplicated;\n\t\t\t} );\n\t}\n\n\t/**\n\t * Fired when some toolbar {@link #items} were grouped or ungrouped as a result of some change\n\t * in the toolbar geometry.\n\t *\n\t * **Note**: This event is always fired **once** regardless of the number of items that were be\n\t * grouped or ungrouped at a time.\n\t *\n\t * **Note**: This event is fired only if the items grouping functionality was enabled in\n\t * the first place (see {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull}).\n\t *\n\t * @event groupedItemsUpdate\n\t */\n}\n\n/**\n * An inner block of the {@link module:ui/toolbar/toolbarview~ToolbarView} hosting its\n * {@link module:ui/toolbar/toolbarview~ToolbarView#items}.\n *\n * @private\n * @extends module:ui/view~View\n */\nclass ItemsView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * A collection of items (buttons, dropdowns, etc.).\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-toolbar__items'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n}\n\n/**\n * A toolbar behavior that makes it static and unresponsive to the changes of the environment.\n * At the same time, it also makes it possible to display a toolbar with a vertical layout\n * using the {@link module:ui/toolbar/toolbarview~ToolbarView#isVertical} property.\n *\n * @private\n * @implements module:ui/toolbar/toolbarview~ToolbarBehavior\n */\nclass StaticLayout {\n\t/**\n\t * Creates an instance of the {@link module:ui/toolbar/toolbarview~StaticLayout} toolbar\n\t * behavior.\n\t *\n\t * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar that this behavior\n\t * is added to.\n\t */\n\tconstructor( view ) {\n\t\tconst bind = view.bindTemplate;\n\n\t\t// Static toolbar can be vertical when needed.\n\t\tview.set( 'isVertical', false );\n\n\t\t// 1:1 pass–through binding, all ToolbarView#items are visible.\n\t\tview.itemsView.children.bindTo( view.items ).using( item => item );\n\n\t\t// 1:1 pass–through binding, all ToolbarView#items are focusable.\n\t\tview.focusables.bindTo( view.items ).using( item => item );\n\n\t\tview.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t// When vertical, the toolbar has an additional CSS class.\n\t\t\t\t\tbind.if( 'isVertical', 'ck-toolbar_vertical' )\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {}\n}\n\n/**\n * A toolbar behavior that makes the items respond to changes in the geometry.\n *\n * In a nutshell, it groups {@link module:ui/toolbar/toolbarview~ToolbarView#items}\n * that do not fit visually into a single row of the toolbar (due to limited space).\n * Items that do not fit are aggregated in a dropdown displayed at the end of the toolbar.\n *\n *\t┌──────────────────────────────────────── ToolbarView ──────────────────────────────────────────┐\n *\t| ┌─────────────────────────────────────── #children ─────────────────────────────────────────┐ |\n *\t| |   ┌─────── #itemsView ────────┐ ┌──────────────────────┐ ┌── #groupedItemsDropdown ───┐   | |\n *\t| |   |       #ungroupedItems     | | ToolbarSeparatorView | |        #groupedItems       |   | |\n *\t| |   └──────────────────────────-┘ └──────────────────────┘ └────────────────────────────┘   | |\n *\t| |                                  \\---------- only when toolbar items overflow --------/    | |\n *\t| └───────────────────────────────────────────────────────────────────────────────────────────┘ |\n *\t└───────────────────────────────────────────────────────────────────────────────────────────────┘\n *\n * @private\n * @implements module:ui/toolbar/toolbarview~ToolbarBehavior\n */\nclass DynamicGrouping {\n\t/**\n\t * Creates an instance of the {@link module:ui/toolbar/toolbarview~DynamicGrouping} toolbar\n\t * behavior.\n\t *\n\t * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar that this behavior\n\t * is added to.\n\t */\n\tconstructor( view ) {\n\t\t/**\n\t\t * A toolbar view this behavior belongs to.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar~ToolbarView}\n\t\t */\n\t\tthis.view = view;\n\n\t\t/**\n\t\t * A collection of toolbar children.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.viewChildren = view.children;\n\n\t\t/**\n\t\t * A collection of focusable toolbar elements.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.viewFocusables = view.focusables;\n\n\t\t/**\n\t\t * A view containing toolbar items.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ItemsView}\n\t\t */\n\t\tthis.viewItemsView = view.itemsView;\n\n\t\t/**\n\t\t * Toolbar focus tracker.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.viewFocusTracker = view.focusTracker;\n\n\t\t/**\n\t\t * Toolbar locale.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/locale~Locale}\n\t\t */\n\t\tthis.viewLocale = view.locale;\n\n\t\t/**\n\t\t * Toolbar element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {HTMLElement} #viewElement\n\t\t */\n\n\t\t/**\n\t\t * A subset of toolbar {@link module:ui/toolbar/toolbarview~ToolbarView#items}.\n\t\t * Aggregates items that fit into a single row of the toolbar and were not {@link #groupedItems grouped}\n\t\t * into a {@link #groupedItemsDropdown dropdown}. Items of this collection are displayed in the\n\t\t * {@link module:ui/toolbar/toolbarview~ToolbarView#itemsView}.\n\t\t *\n\t\t * When none of the {@link module:ui/toolbar/toolbarview~ToolbarView#items} were grouped, it\n\t\t * matches the {@link module:ui/toolbar/toolbarview~ToolbarView#items} collection in size and order.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.ungroupedItems = view.createCollection();\n\n\t\t/**\n\t\t * A subset of toolbar {@link module:ui/toolbar/toolbarview~ToolbarView#items}.\n\t\t * A collection of the toolbar items that do not fit into a single row of the toolbar.\n\t\t * Grouped items are displayed in a dedicated {@link #groupedItemsDropdown dropdown}.\n\t\t *\n\t\t * When none of the {@link module:ui/toolbar/toolbarview~ToolbarView#items} were grouped,\n\t\t * this collection is empty.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.groupedItems = view.createCollection();\n\n\t\t/**\n\t\t * The dropdown that aggregates {@link #groupedItems grouped items} that do not fit into a single\n\t\t * row of the toolbar. It is displayed on demand as the last of\n\t\t * {@link module:ui/toolbar/toolbarview~ToolbarView#children toolbar children} and offers another\n\t\t * (nested) toolbar which displays items that would normally overflow.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/dropdown/dropdownview~DropdownView}\n\t\t */\n\t\tthis.groupedItemsDropdown = this._createGroupedItemsDropdown();\n\n\t\t/**\n\t\t * An instance of the resize observer that helps dynamically determine the geometry of the toolbar\n\t\t * and manage items that do not fit into a single row.\n\t\t *\n\t\t * **Note:** Created in {@link #_enableGroupingOnResize}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/dom/resizeobserver~ResizeObserver}\n\t\t */\n\t\tthis.resizeObserver = null;\n\n\t\t/**\n\t\t * A cached value of the horizontal padding style used by {@link #_updateGrouping}\n\t\t * to manage the {@link module:ui/toolbar/toolbarview~ToolbarView#items} that do not fit into\n\t\t * a single toolbar line. This value can be reused between updates because it is unlikely that\n\t\t * the padding will change and re–using `Window.getComputedStyle()` is expensive.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.cachedPadding = null;\n\n\t\t/**\n\t\t * A flag indicating that an items grouping update has been queued (e.g. due to the toolbar being visible)\n\t\t * and should be executed immediately the next time the toolbar shows up.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.shouldUpdateGroupingOnNextResize = false;\n\n\t\t// Only those items that were not grouped are visible to the user.\n\t\tview.itemsView.children.bindTo( this.ungroupedItems ).using( item => item );\n\n\t\t// Make sure all #items visible in the main space of the toolbar are \"focuscycleable\".\n\t\tthis.ungroupedItems.on( 'add', this._updateFocusCycleableItems.bind( this ) );\n\t\tthis.ungroupedItems.on( 'remove', this._updateFocusCycleableItems.bind( this ) );\n\n\t\t// Make sure the #groupedItemsDropdown is also included in cycling when it appears.\n\t\tview.children.on( 'add', this._updateFocusCycleableItems.bind( this ) );\n\t\tview.children.on( 'remove', this._updateFocusCycleableItems.bind( this ) );\n\n\t\t// ToolbarView#items is dynamic. When an item is added or removed, it should be automatically\n\t\t// represented in either grouped or ungrouped items at the right index.\n\t\t// In other words #items == concat( #ungroupedItems, #groupedItems )\n\t\t// (in length and order).\n\t\tview.items.on( 'change', ( evt, changeData ) => {\n\t\t\tconst index = changeData.index;\n\n\t\t\t// Removing.\n\t\t\tfor ( const removedItem of changeData.removed ) {\n\t\t\t\tif ( index >= this.ungroupedItems.length ) {\n\t\t\t\t\tthis.groupedItems.remove( removedItem );\n\t\t\t\t} else {\n\t\t\t\t\tthis.ungroupedItems.remove( removedItem );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Adding.\n\t\t\tfor ( let currentIndex = index; currentIndex < index + changeData.added.length; currentIndex++ ) {\n\t\t\t\tconst addedItem = changeData.added[ currentIndex - index ];\n\n\t\t\t\tif ( currentIndex > this.ungroupedItems.length ) {\n\t\t\t\t\tthis.groupedItems.add( addedItem, currentIndex - this.ungroupedItems.length );\n\t\t\t\t} else {\n\t\t\t\t\tthis.ungroupedItems.add( addedItem, currentIndex );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// When new ungrouped items join in and land in #ungroupedItems, there's a chance it causes\n\t\t\t// the toolbar to overflow.\n\t\t\t// Consequently if removed from grouped or ungrouped items, there is a chance\n\t\t\t// some new space is available and we could do some ungrouping.\n\t\t\tthis._updateGrouping();\n\t\t} );\n\n\t\tview.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t// To group items dynamically, the toolbar needs a dedicated CSS class.\n\t\t\t\t\t'ck-toolbar_grouping'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Enables dynamic items grouping based on the dimensions of the toolbar.\n\t *\n\t * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar that this behavior\n\t * is added to.\n\t */\n\trender( view ) {\n\t\tthis.viewElement = view.element;\n\n\t\tthis._enableGroupingOnResize();\n\t\tthis._enableGroupingOnMaxWidthChange( view );\n\t}\n\n\t/**\n\t * Cleans up the internals used by this behavior.\n\t */\n\tdestroy() {\n\t\t// The dropdown may not be in ToolbarView#children at the moment of toolbar destruction\n\t\t// so let's make sure it's actually destroyed along with the toolbar.\n\t\tthis.groupedItemsDropdown.destroy();\n\n\t\tthis.resizeObserver.destroy();\n\t}\n\n\t/**\n\t * When called, it will check if any of the {@link #ungroupedItems} do not fit into a single row of the toolbar,\n\t * and it will move them to the {@link #groupedItems} when it happens.\n\t *\n\t * At the same time, it will also check if there is enough space in the toolbar for the first of the\n\t * {@link #groupedItems} to be returned back to {@link #ungroupedItems} and still fit into a single row\n\t * without the toolbar wrapping.\n\t *\n\t * @protected\n\t */\n\t_updateGrouping() {\n\t\t// Do no grouping–related geometry analysis when the toolbar is detached from visible DOM,\n\t\t// for instance before #render(), or after render but without a parent or a parent detached\n\t\t// from DOM. DOMRects won't work anyway and there will be tons of warning in the console and\n\t\t// nothing else. This happens, for instance, when the toolbar is detached from DOM and\n\t\t// some logic adds or removes its #items.\n\t\tif ( !this.viewElement.ownerDocument.body.contains( this.viewElement ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Do not update grouping when the element is invisible. Such toolbar has DOMRect filled with zeros\n\t\t// and that would cause all items to be grouped. Instead, queue the grouping so it runs next time\n\t\t// the toolbar is visible (the next ResizeObserver callback execution). This is handy because\n\t\t// the grouping could be caused by increasing the #maxWidth when the toolbar was invisible and the next\n\t\t// time it shows up, some items could actually be ungrouped (https://github.com/ckeditor/ckeditor5/issues/6575).\n\t\tif ( !isVisible( this.viewElement ) ) {\n\t\t\tthis.shouldUpdateGroupingOnNextResize = true;\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Remember how many items were initially grouped so at the it is possible to figure out if the number\n\t\t// of grouped items has changed. If the number has changed, geometry of the toolbar has also changed.\n\t\tconst initialGroupedItemsCount = this.groupedItems.length;\n\t\tlet wereItemsGrouped;\n\n\t\t// Group #items as long as some wrap to the next row. This will happen, for instance,\n\t\t// when the toolbar is getting narrow and there is not enough space to display all items in\n\t\t// a single row.\n\t\twhile ( this._areItemsOverflowing ) {\n\t\t\tthis._groupLastItem();\n\n\t\t\twereItemsGrouped = true;\n\t\t}\n\n\t\t// If none were grouped now but there were some items already grouped before,\n\t\t// then, what the hell, maybe let's see if some of them can be ungrouped. This happens when,\n\t\t// for instance, the toolbar is stretching and there's more space in it than before.\n\t\tif ( !wereItemsGrouped && this.groupedItems.length ) {\n\t\t\t// Ungroup items as long as none are overflowing or there are none to ungroup left.\n\t\t\twhile ( this.groupedItems.length && !this._areItemsOverflowing ) {\n\t\t\t\tthis._ungroupFirstItem();\n\t\t\t}\n\n\t\t\t// If the ungrouping ended up with some item wrapping to the next row,\n\t\t\t// put it back to the group toolbar (\"undo the last ungroup\"). We don't know whether\n\t\t\t// an item will wrap or not until we ungroup it (that's a DOM/CSS thing) so this\n\t\t\t// clean–up is vital for the algorithm.\n\t\t\tif ( this._areItemsOverflowing ) {\n\t\t\t\tthis._groupLastItem();\n\t\t\t}\n\t\t}\n\n\t\tif ( this.groupedItems.length !== initialGroupedItemsCount ) {\n\t\t\tthis.view.fire( 'groupedItemsUpdate' );\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` when {@link module:ui/toolbar/toolbarview~ToolbarView#element} children visually overflow,\n\t * for instance if the toolbar is narrower than its members. Returns `false` otherwise.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _areItemsOverflowing() {\n\t\t// An empty toolbar cannot overflow.\n\t\tif ( !this.ungroupedItems.length ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst element = this.viewElement;\n\t\tconst uiLanguageDirection = this.viewLocale.uiLanguageDirection;\n\t\tconst lastChildRect = new Rect( element.lastChild );\n\t\tconst toolbarRect = new Rect( element );\n\n\t\tif ( !this.cachedPadding ) {\n\t\t\tconst computedStyle = global.window.getComputedStyle( element );\n\t\t\tconst paddingProperty = uiLanguageDirection === 'ltr' ? 'paddingRight' : 'paddingLeft';\n\n\t\t\t// parseInt() is essential because of quirky floating point numbers logic and DOM.\n\t\t\t// If the padding turned out too big because of that, the grouped items dropdown would\n\t\t\t// always look (from the Rect perspective) like it overflows (while it's not).\n\t\t\tthis.cachedPadding = Number.parseInt( computedStyle[ paddingProperty ] );\n\t\t}\n\n\t\tif ( uiLanguageDirection === 'ltr' ) {\n\t\t\treturn lastChildRect.right > toolbarRect.right - this.cachedPadding;\n\t\t} else {\n\t\t\treturn lastChildRect.left < toolbarRect.left + this.cachedPadding;\n\t\t}\n\t}\n\n\t/**\n\t * Enables the functionality that prevents {@link #ungroupedItems} from overflowing (wrapping to the next row)\n\t * upon resize when there is little space available. Instead, the toolbar items are moved to the\n\t * {@link #groupedItems} collection and displayed in a dropdown at the end of the row (which has its own nested toolbar).\n\t *\n\t * When called, the toolbar will automatically analyze the location of its {@link #ungroupedItems} and \"group\"\n\t * them in the dropdown if necessary. It will also observe the browser window for size changes in\n\t * the future and respond to them by grouping more items or reverting already grouped back, depending\n\t * on the visual space available.\n\t *\n\t * @private\n\t */\n\t_enableGroupingOnResize() {\n\t\tlet previousWidth;\n\n\t\t// TODO: Consider debounce.\n\t\tthis.resizeObserver = new ResizeObserver( this.viewElement, entry => {\n\t\t\tif ( !previousWidth || previousWidth !== entry.contentRect.width || this.shouldUpdateGroupingOnNextResize ) {\n\t\t\t\tthis.shouldUpdateGroupingOnNextResize = false;\n\n\t\t\t\tthis._updateGrouping();\n\n\t\t\t\tpreviousWidth = entry.contentRect.width;\n\t\t\t}\n\t\t} );\n\n\t\tthis._updateGrouping();\n\t}\n\n\t/**\n\t * Enables the grouping functionality, just like {@link #_enableGroupingOnResize} but the difference is that\n\t * it listens to the changes of {@link module:ui/toolbar/toolbarview~ToolbarView#maxWidth} instead.\n\t *\n\t * @private\n\t */\n\t_enableGroupingOnMaxWidthChange( view ) {\n\t\tview.on( 'change:maxWidth', () => {\n\t\t\tthis._updateGrouping();\n\t\t} );\n\t}\n\n\t/**\n\t * When called, it will remove the last item from {@link #ungroupedItems} and move it back\n\t * to the {@link #groupedItems} collection.\n\t *\n\t * The opposite of {@link #_ungroupFirstItem}.\n\t *\n\t * @private\n\t */\n\t_groupLastItem() {\n\t\tif ( !this.groupedItems.length ) {\n\t\t\tthis.viewChildren.add( new ToolbarSeparatorView() );\n\t\t\tthis.viewChildren.add( this.groupedItemsDropdown );\n\t\t\tthis.viewFocusTracker.add( this.groupedItemsDropdown.element );\n\t\t}\n\n\t\tthis.groupedItems.add( this.ungroupedItems.remove( this.ungroupedItems.last ), 0 );\n\t}\n\n\t/**\n\t * Moves the very first item belonging to {@link #groupedItems} back\n\t * to the {@link #ungroupedItems} collection.\n\t *\n\t * The opposite of {@link #_groupLastItem}.\n\t *\n\t * @private\n\t */\n\t_ungroupFirstItem() {\n\t\tthis.ungroupedItems.add( this.groupedItems.remove( this.groupedItems.first ) );\n\n\t\tif ( !this.groupedItems.length ) {\n\t\t\tthis.viewChildren.remove( this.groupedItemsDropdown );\n\t\t\tthis.viewChildren.remove( this.viewChildren.last );\n\t\t\tthis.viewFocusTracker.remove( this.groupedItemsDropdown.element );\n\t\t}\n\t}\n\n\t/**\n\t * Creates the {@link #groupedItemsDropdown} that hosts the members of the {@link #groupedItems}\n\t * collection when there is not enough space in the toolbar to display all items in a single row.\n\t *\n\t * @private\n\t * @returns {module:ui/dropdown/dropdownview~DropdownView}\n\t */\n\t_createGroupedItemsDropdown() {\n\t\tconst locale = this.viewLocale;\n\t\tconst t = locale.t;\n\t\tconst dropdown = createDropdown( locale );\n\n\t\tdropdown.class = 'ck-toolbar__grouped-dropdown';\n\n\t\t// Make sure the dropdown never sticks out to the left/right. It should be under the main toolbar.\n\t\t// (https://github.com/ckeditor/ckeditor5/issues/5608)\n\t\tdropdown.panelPosition = locale.uiLanguageDirection === 'ltr' ? 'sw' : 'se';\n\n\t\taddToolbarToDropdown( dropdown, [] );\n\n\t\tdropdown.buttonView.set( {\n\t\t\tlabel: t( 'Show more items' ),\n\t\t\ttooltip: true,\n\t\t\ttooltipPosition: locale.uiLanguageDirection === 'rtl' ? 'se' : 'sw',\n\t\t\ticon: threeVerticalDots\n\t\t} );\n\n\t\t// 1:1 pass–through binding.\n\t\tdropdown.toolbarView.items.bindTo( this.groupedItems ).using( item => item );\n\n\t\treturn dropdown;\n\t}\n\n\t/**\n\t * Updates the {@link module:ui/toolbar/toolbarview~ToolbarView#focusables focus–cycleable items}\n\t * collection so it represents the up–to–date state of the UI from the perspective of the user.\n\t *\n\t * For instance, the {@link #groupedItemsDropdown} can show up and hide but when it is visible,\n\t * it must be subject to focus cycling in the toolbar.\n\t *\n\t * See the {@link module:ui/toolbar/toolbarview~ToolbarView#focusables collection} documentation\n\t * to learn more about the purpose of this method.\n\t *\n\t * @private\n\t */\n\t_updateFocusCycleableItems() {\n\t\tthis.viewFocusables.clear();\n\n\t\tthis.ungroupedItems.map( item => {\n\t\t\tthis.viewFocusables.add( item );\n\t\t} );\n\n\t\tif ( this.groupedItems.length ) {\n\t\t\tthis.viewFocusables.add( this.groupedItemsDropdown );\n\t\t}\n\t}\n}\n\n/**\n * Options passed to the {@link module:ui/toolbar/toolbarview~ToolbarView#constructor} of the toolbar.\n *\n * @interface module:ui/toolbar/toolbarview~ToolbarOptions\n */\n\n/**\n * When set to `true`, the toolbar will automatically group {@link module:ui/toolbar/toolbarview~ToolbarView#items} that\n * would normally wrap to the next line when there is not enough space to display them in a single row, for\n * instance, if the parent container of the toolbar is narrow. For toolbars in absolutely positioned containers\n * without width restrictions also the {@link module:ui/toolbar/toolbarview~ToolbarOptions#isFloating} option is required to be `true`.\n *\n * See also: {@link module:ui/toolbar/toolbarview~ToolbarView#maxWidth}.\n *\n * @member {Boolean} module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull\n */\n\n/**\n * This option should be enabled for toolbars in absolutely positioned containers without width restrictions\n * to enable automatic {@link module:ui/toolbar/toolbarview~ToolbarView#items} grouping.\n * When this option is set to `true`, the items will stop wrapping to the next line\n * and together with {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull},\n * this will allow grouping them when there is not enough space in a single row.\n *\n * @member {Boolean} module:ui/toolbar/toolbarview~ToolbarOptions#isFloating\n */\n\n/**\n * A class interface defining the behavior of the {@link module:ui/toolbar/toolbarview~ToolbarView}.\n *\n * Toolbar behaviors extend its look and functionality and have an impact on the\n * {@link module:ui/toolbar/toolbarview~ToolbarView#element} template or\n * {@link module:ui/toolbar/toolbarview~ToolbarView#render rendering}. They can be enabled\n * conditionally, e.g. depending on the configuration of the toolbar.\n *\n * @private\n * @interface module:ui/toolbar/toolbarview~ToolbarBehavior\n */\n\n/**\n * Creates a new toolbar behavior instance.\n *\n * The instance is created in the {@link module:ui/toolbar/toolbarview~ToolbarView#constructor} of the toolbar.\n * This is the right place to extend the {@link module:ui/toolbar/toolbarview~ToolbarView#template} of\n * the toolbar, define extra toolbar properties, etc.\n *\n * @method #constructor\n * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar that this behavior is added to.\n */\n\n/**\n * A method called after the toolbar has been {@link module:ui/toolbar/toolbarview~ToolbarView#render rendered}.\n * It can be used to, for example, customize the behavior of the toolbar when its {@link module:ui/toolbar/toolbarview~ToolbarView#element}\n * is available.\n *\n * @readonly\n * @member {Function} #render\n * @param {module:ui/toolbar/toolbarview~ToolbarView} view An instance of the toolbar being rendered.\n */\n\n/**\n * A method called after the toolbar has been {@link module:ui/toolbar/toolbarview~ToolbarView#destroy destroyed}.\n * It allows cleaning up after the toolbar behavior, for instance, this is the right place to detach\n * event listeners, free up references, etc.\n *\n * @readonly\n * @member {Function} #destroy\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/bindings/preventdefault\n */\n\n/**\n * A helper which executes a native `Event.preventDefault()` if the target of an event equals the\n * {@link module:ui/view~View#element element of the view}. It shortens the definition of a\n * {@link module:ui/view~View#template template}.\n *\n *\t\t// In a class extending View.\n *\t\timport preventDefault from '@ckeditor/ckeditor5-ui/src/bindings/preventdefault';\n *\n *\t\t// ...\n *\n *\t\tthis.setTemplate( {\n *\t\t\ttag: 'div',\n *\n *\t\t\ton: {\n *\t\t\t\t// Prevent the default mousedown action on this view.\n *\t\t\t\tmousedown: preventDefault( this )\n *\t\t\t}\n *\t\t} );\n *\n * @param {module:ui/view~View} view View instance that defines the template.\n * @returns {module:ui/template~TemplateToBinding}\n */\nexport default function preventDefault( view ) {\n\treturn view.bindTemplate.to( evt => {\n\t\tif ( evt.target === view.element ) {\n\t\t\tevt.preventDefault();\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/normalizetoolbarconfig\n */\n\n/**\n * Normalizes the toolbar configuration (`config.toolbar`), which:\n *\n * * may be defined as an `Array`:\n *\n * \t\ttoolbar: [ 'heading', 'bold', 'italic', 'link', ... ]\n *\n * * or an `Object`:\n *\n *\t\ttoolbar: {\n *\t\t\titems: [ 'heading', 'bold', 'italic', 'link', ... ],\n *\t\t\tremoveItems: [ 'bold' ],\n *\t\t\t...\n *\t\t}\n *\n * * or may not be defined at all (`undefined`)\n *\n * and returns it in the object form.\n *\n * @param {Array|Object|undefined} config The value of `config.toolbar`.\n * @returns {Object} A normalized toolbar config object.\n */\nexport default function normalizeToolbarConfig( config ) {\n\tif ( Array.isArray( config ) ) {\n\t\treturn {\n\t\t\titems: config,\n\t\t\tremoveItems: []\n\t\t};\n\t}\n\n\tif ( !config ) {\n\t\treturn {\n\t\t\titems: [],\n\t\t\tremoveItems: []\n\t\t};\n\t}\n\n\treturn Object.assign( {\n\t\titems: [],\n\t\tremoveItems: []\n\t}, config );\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./list.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./list.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/list/listview\n */\n\nimport View from '../view';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport FocusCycler from '../focuscycler';\nimport KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';\n\nimport '../../theme/components/list/list.css';\n\n/**\n * The list view class.\n *\n * @extends module:ui/view~View\n * @implements module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable\n */\nexport default class ListView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor() {\n\t\tsuper();\n\n\t\t/**\n\t\t * Collection of the child list views.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this.createCollection();\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the list.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * Instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * Helps cycling over focusable {@link #items} in the list.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this.items,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate list items backwards using the arrowup key.\n\t\t\t\tfocusPrevious: 'arrowup',\n\n\t\t\t\t// Navigate toolbar items forwards using the arrowdown key.\n\t\t\t\tfocusNext: 'arrowdown'\n\t\t\t}\n\t\t} );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'ul',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-reset',\n\t\t\t\t\t'ck-list'\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: this.items\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Items added before rendering should be known to the #focusTracker.\n\t\tfor ( const item of this.items ) {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t}\n\n\t\tthis.items.on( 'add', ( evt, item ) => {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t} );\n\n\t\tthis.items.on( 'remove', ( evt, item ) => {\n\t\t\tthis.focusTracker.remove( item.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\t}\n\n\t/**\n\t * Focuses the first focusable in {@link #items}.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Focuses the last focusable in {@link #items}.\n\t */\n\tfocusLast() {\n\t\tthis._focusCycler.focusLast();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/list/listitemview\n */\n\nimport View from '../view';\n\n/**\n * The list item view class.\n *\n * @extends module:ui/view~View\n */\nexport default class ListItemView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * Collection of the child views inside of the list item {@link #element}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'li',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-list__item'\n\t\t\t\t]\n\t\t\t},\n\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the list item.\n\t */\n\tfocus() {\n\t\tthis.children.first.focus();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/list/listseparatorview\n */\n\nimport View from '../view';\n\n/**\n * The list separator view class.\n *\n * @extends module:ui/view~View\n */\nexport default class ListSeparatorView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'li',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-list__separator'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./toolbardropdown.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./toolbardropdown.css\";\n       export default content && content.locals ? content.locals : undefined;\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./listdropdown.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./listdropdown.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/dropdown/utils\n */\n\nimport DropdownPanelView from './dropdownpanelview';\nimport DropdownView from './dropdownview';\nimport DropdownButtonView from './button/dropdownbuttonview';\nimport ToolbarView from '../toolbar/toolbarview';\nimport ListView from '../list/listview';\nimport ListItemView from '../list/listitemview';\nimport ListSeparatorView from '../list/listseparatorview';\nimport ButtonView from '../button/buttonview';\nimport SwitchButtonView from '../button/switchbuttonview';\n\nimport clickOutsideHandler from '../bindings/clickoutsidehandler';\n\nimport '../../theme/components/dropdown/toolbardropdown.css';\nimport '../../theme/components/dropdown/listdropdown.css';\n\n/**\n * A helper for creating dropdowns. It creates an instance of a {@link module:ui/dropdown/dropdownview~DropdownView dropdown},\n * with a {@link module:ui/dropdown/button/dropdownbutton~DropdownButton button},\n * {@link module:ui/dropdown/dropdownpanelview~DropdownPanelView panel} and all standard dropdown's behaviors.\n *\n * # Creating dropdowns\n *\n * By default, the default {@link module:ui/dropdown/button/dropdownbuttonview~DropdownButtonView} class is used as\n * definition of the button:\n *\n *\t\tconst dropdown = createDropdown( model );\n *\n *\t\t// Configure dropdown's button properties:\n *\t\tdropdown.buttonView.set( {\n *\t\t\tlabel: 'A dropdown',\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tdropdown.render();\n *\n *\t\t// Will render a dropdown labeled \"A dropdown\" with an empty panel.\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * You can also provide other button views (they need to implement the\n * {@link module:ui/dropdown/button/dropdownbutton~DropdownButton} interface). For instance, you can use\n * {@link module:ui/dropdown/button/splitbuttonview~SplitButtonView} to create a dropdown with a split button.\n *\n *\t\tconst dropdown = createDropdown( model, SplitButtonView );\n *\n *\t\t// Configure dropdown's button properties:\n *\t\tdropdown.buttonView.set( {\n *\t\t\tlabel: 'A dropdown',\n *\t\t\twithText: true\n *\t\t} );\n *\n *\t\tdropdown.buttonView.on( 'execute', () => {\n *\t\t\t// Add the behavior of the \"action part\" of the split button.\n *\t\t\t// Split button consists of the \"action part\" and \"arrow part\".\n *\t\t\t// The arrow opens the dropdown while the action part can have some other behavior.\n * \t\t} );\n *\n *\t\tdropdown.render();\n *\n *\t\t// Will render a dropdown labeled \"A dropdown\" with an empty panel.\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * # Adding content to the dropdown's panel\n *\n * The content of the panel can be inserted directly into the `dropdown.panelView.element`:\n *\n *\t\tdropdown.panelView.element.textContent = 'Content of the panel';\n *\n * However, most of the time you will want to add there either a {@link module:ui/list/listview~ListView list of options}\n * or a list of buttons (i.e. a {@link module:ui/toolbar/toolbarview~ToolbarView toolbar}).\n * To simplify the task, you can use, respectively, {@link module:ui/dropdown/utils~addListToDropdown} or\n * {@link module:ui/dropdown/utils~addToolbarToDropdown} utils.\n *\n * @param {module:utils/locale~Locale} locale The locale instance.\n * @param {Function} ButtonClass The dropdown button view class. Needs to implement the\n * {@link module:ui/dropdown/button/dropdownbutton~DropdownButton} interface.\n * @returns {module:ui/dropdown/dropdownview~DropdownView} The dropdown view instance.\n */\nexport function createDropdown( locale, ButtonClass = DropdownButtonView ) {\n\tconst buttonView = new ButtonClass( locale );\n\n\tconst panelView = new DropdownPanelView( locale );\n\tconst dropdownView = new DropdownView( locale, buttonView, panelView );\n\n\tbuttonView.bind( 'isEnabled' ).to( dropdownView );\n\n\tif ( buttonView instanceof DropdownButtonView ) {\n\t\tbuttonView.bind( 'isOn' ).to( dropdownView, 'isOpen' );\n\t} else {\n\t\tbuttonView.arrowView.bind( 'isOn' ).to( dropdownView, 'isOpen' );\n\t}\n\n\taddDefaultBehavior( dropdownView );\n\n\treturn dropdownView;\n}\n\n/**\n * Adds an instance of {@link module:ui/toolbar/toolbarview~ToolbarView} to a dropdown.\n *\n *\t\tconst buttons = [];\n *\n *\t\t// Either create a new ButtonView instance or create existing.\n *\t\tbuttons.push( new ButtonView() );\n *\t\tbuttons.push( editor.ui.componentFactory.create( 'someButton' ) );\n *\n *\t\tconst dropdown = createDropdown( locale );\n *\n *\t\taddToolbarToDropdown( dropdown, buttons );\n *\n *\t\tdropdown.toolbarView.isVertical = true;\n *\n *\t\t// Will render a vertical button dropdown labeled \"A button dropdown\"\n *\t\t// with a button group in the panel containing two buttons.\n *\t\tdropdown.render()\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * See {@link module:ui/dropdown/utils~createDropdown} and {@link module:ui/toolbar/toolbarview~ToolbarView}.\n *\n * @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView A dropdown instance to which `ToolbarView` will be added.\n * @param {Iterable.<module:ui/button/buttonview~ButtonView>} buttons\n */\nexport function addToolbarToDropdown( dropdownView, buttons ) {\n\tconst locale = dropdownView.locale;\n\tconst t = locale.t;\n\tconst toolbarView = dropdownView.toolbarView = new ToolbarView( locale );\n\n\ttoolbarView.set( 'ariaLabel', t( 'Dropdown toolbar' ) );\n\n\tdropdownView.extendTemplate( {\n\t\tattributes: {\n\t\t\tclass: [ 'ck-toolbar-dropdown' ]\n\t\t}\n\t} );\n\n\tbuttons.map( view => toolbarView.items.add( view ) );\n\n\tdropdownView.panelView.children.add( toolbarView );\n\ttoolbarView.items.delegate( 'execute' ).to( dropdownView );\n}\n\n/**\n * Adds an instance of {@link module:ui/list/listview~ListView} to a dropdown.\n *\n *\t\tconst items = new Collection();\n *\n *\t\titems.add( {\n *\t\t\ttype: 'button',\n *\t\t\tmodel: new Model( {\n *\t\t\t\twithText: true,\n *\t\t\t\tlabel: 'First item',\n *\t\t\t\tlabelStyle: 'color: red'\n *\t\t\t} )\n *\t\t} );\n *\n *\t\titems.add( {\n *\t\t\t type: 'button',\n *\t\t\t model: new Model( {\n *\t\t\t\twithText: true,\n *\t\t\t\tlabel: 'Second item',\n *\t\t\t\tlabelStyle: 'color: green',\n *\t\t\t\tclass: 'foo'\n *\t\t\t} )\n *\t\t} );\n *\n *\t\tconst dropdown = createDropdown( locale );\n *\n *\t\taddListToDropdown( dropdown, items );\n *\n *\t\t// Will render a dropdown with a list in the panel containing two items.\n *\t\tdropdown.render()\n *\t\tdocument.body.appendChild( dropdown.element );\n *\n * The `items` collection passed to this methods controls the presence and attributes of respective\n * {@link module:ui/list/listitemview~ListItemView list items}.\n *\n *\n * See {@link module:ui/dropdown/utils~createDropdown} and {@link module:list/list~List}.\n *\n * @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView A dropdown instance to which `ListVIew` will be added.\n * @param {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>} items\n * A collection of the list item definitions to populate the list.\n */\nexport function addListToDropdown( dropdownView, items ) {\n\tconst locale = dropdownView.locale;\n\tconst listView = dropdownView.listView = new ListView( locale );\n\n\tlistView.items.bindTo( items ).using( ( { type, model } ) => {\n\t\tif ( type === 'separator' ) {\n\t\t\treturn new ListSeparatorView( locale );\n\t\t} else if ( type === 'button' || type === 'switchbutton' ) {\n\t\t\tconst listItemView = new ListItemView( locale );\n\t\t\tlet buttonView;\n\n\t\t\tif ( type === 'button' ) {\n\t\t\t\tbuttonView = new ButtonView( locale );\n\t\t\t} else {\n\t\t\t\tbuttonView = new SwitchButtonView( locale );\n\t\t\t}\n\n\t\t\t// Bind all model properties to the button view.\n\t\t\tbuttonView.bind( ...Object.keys( model ) ).to( model );\n\t\t\tbuttonView.delegate( 'execute' ).to( listItemView );\n\n\t\t\tlistItemView.children.add( buttonView );\n\n\t\t\treturn listItemView;\n\t\t}\n\t} );\n\n\tdropdownView.panelView.children.add( listView );\n\n\tlistView.items.delegate( 'execute' ).to( dropdownView );\n}\n\n// Add a set of default behaviors to dropdown view.\n//\n// @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\nfunction addDefaultBehavior( dropdownView ) {\n\tcloseDropdownOnBlur( dropdownView );\n\tcloseDropdownOnExecute( dropdownView );\n\tfocusDropdownContentsOnArrows( dropdownView );\n}\n\n// Adds a behavior to a dropdownView that closes opened dropdown when user clicks outside the dropdown.\n//\n// @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\nfunction closeDropdownOnBlur( dropdownView ) {\n\tdropdownView.on( 'render', () => {\n\t\tclickOutsideHandler( {\n\t\t\temitter: dropdownView,\n\t\t\tactivator: () => dropdownView.isOpen,\n\t\t\tcallback: () => {\n\t\t\t\tdropdownView.isOpen = false;\n\t\t\t},\n\t\t\tcontextElements: [ dropdownView.element ]\n\t\t} );\n\t} );\n}\n\n// Adds a behavior to a dropdownView that closes the dropdown view on \"execute\" event.\n//\n// @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\nfunction closeDropdownOnExecute( dropdownView ) {\n\t// Close the dropdown when one of the list items has been executed.\n\tdropdownView.on( 'execute', evt => {\n\t\t// Toggling a switch button view should not close the dropdown.\n\t\tif ( evt.source instanceof SwitchButtonView ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdropdownView.isOpen = false;\n\t} );\n}\n\n// Adds a behavior to a dropdownView that focuses the dropdown's panel view contents on keystrokes.\n//\n// @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\nfunction focusDropdownContentsOnArrows( dropdownView ) {\n\t// If the dropdown panel is already open, the arrow down key should focus the first child of the #panelView.\n\tdropdownView.keystrokes.set( 'arrowdown', ( data, cancel ) => {\n\t\tif ( dropdownView.isOpen ) {\n\t\t\tdropdownView.panelView.focus();\n\t\t\tcancel();\n\t\t}\n\t} );\n\n\t// If the dropdown panel is already open, the arrow up key should focus the last child of the #panelView.\n\tdropdownView.keystrokes.set( 'arrowup', ( data, cancel ) => {\n\t\tif ( dropdownView.isOpen ) {\n\t\t\tdropdownView.panelView.focusLast();\n\t\t\tcancel();\n\t\t}\n\t} );\n}\n\n/**\n * A definition of the list item used by the {@link module:ui/dropdown/utils~addListToDropdown}\n * utility.\n *\n * @typedef {Object} module:ui/dropdown/utils~ListDropdownItemDefinition\n *\n * @property {String} type Either `'separator'`, `'button'` or `'switchbutton'`.\n * @property {module:ui/model~Model} [model] Model of the item (when **not** `'separator'`).\n * Its properties fuel the newly created list item (or its children, depending on the `type`).\n */\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./editorui.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./editorui.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/editorui/editoruiview\n */\n\nimport View from '../view';\nimport BodyCollection from './bodycollection';\n\nimport '../../theme/components/editorui/editorui.css';\n\n/**\n * The editor UI view class. Base class for the editor main views.\n *\n * @extends module:ui/view~View\n */\nexport default class EditorUIView extends View {\n\t/**\n\t * Creates an instance of the editor UI view class.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The locale instance.\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * Collection of the child views, detached from the DOM\n\t\t * structure of the editor, like panels, icons etc.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection} #body\n\t\t */\n\t\tthis.body = new BodyCollection( locale );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.body.attachToDom();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis.body.detachFromDom();\n\n\t\treturn super.destroy();\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./label.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./label.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/label/labelview\n */\n\nimport View from '../view';\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\n\nimport '../../theme/components/label/label.css';\n\n/**\n * The label view class.\n *\n * @extends module:ui/view~View\n */\nexport default class LabelView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The text of the label.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #text\n\t\t */\n\t\tthis.set( 'text' );\n\n\t\t/**\n\t\t * The `for` attribute of the label (i.e. to pair with an `<input>` element).\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #for\n\t\t */\n\t\tthis.set( 'for' );\n\n\t\t/**\n\t\t * An unique id of the label. It can be used by other UI components to reference\n\t\t * the label, for instance, using the `aria-describedby` DOM attribute.\n\t\t *\n\t\t * @member {String} #id\n\t\t */\n\t\tthis.id = `ck-editor__label_${ uid() }`;\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'label',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-label'\n\t\t\t\t],\n\t\t\t\tid: this.id,\n\t\t\t\tfor: bind.to( 'for' )\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttext: bind.to( 'text' )\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/editableui/editableuiview\n */\n\nimport View from '../view';\n\n/**\n * The editable UI view class.\n *\n * @extends module:ui/view~View\n */\nexport default class EditableUIView extends View {\n\t/**\n\t * Creates an instance of EditableUIView class.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The locale instance.\n\t * @param {module:engine/view/view~View} editingView The editing view instance the editable is related to.\n\t * @param {HTMLElement} [editableElement] The editable element. If not specified, this view\n\t * should create it. Otherwise, the existing element should be used.\n\t */\n\tconstructor( locale, editingView, editableElement ) {\n\t\tsuper( locale );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-content',\n\t\t\t\t\t'ck-editor__editable',\n\t\t\t\t\t'ck-rounded-corners'\n\t\t\t\t],\n\t\t\t\tlang: locale.contentLanguage,\n\t\t\t\tdir: locale.contentLanguageDirection\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * The name of the editable UI view.\n\t\t *\n\t\t * @member {String} #name\n\t\t */\n\t\tthis.name = null;\n\n\t\t/**\n\t\t * Controls whether the editable is focused, i.e. the user is typing in it.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * The element which is the main editable element (usually the one with `contentEditable=\"true\"`).\n\t\t *\n\t\t * @private\n\t\t * @type {HTMLElement}\n\t\t */\n\t\tthis._editableElement = editableElement;\n\n\t\t/**\n\t\t * Whether an external {@link #_editableElement} was passed into the constructor, which also means\n\t\t * the view will not render its {@link #template}.\n\t\t *\n\t\t * @private\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._hasExternalElement = !!this._editableElement;\n\n\t\t/**\n\t\t * The editing view instance the editable is related to. Editable uses the editing\n\t\t * view to dynamically modify its certain DOM attributes after {@link #render rendering}.\n\t\t *\n\t\t * **Note**: The DOM attributes are performed by the editing view and not UI\n\t\t * {@link module:ui/view~View#bindTemplate template bindings} because once rendered,\n\t\t * the editable DOM element must remain under the full control of the engine to work properly.\n\t\t *\n\t\t * @protected\n\t\t * @type {module:engine/view/view~View}\n\t\t */\n\t\tthis._editingView = editingView;\n\t}\n\n\t/**\n\t * Renders the view by either applying the {@link #template} to the existing\n\t * {@link #_editableElement} or assigning {@link #element} as {@link #_editableElement}.\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tif ( this._hasExternalElement ) {\n\t\t\tthis.template.apply( this.element = this._editableElement );\n\t\t} else {\n\t\t\tthis._editableElement = this.element;\n\t\t}\n\n\t\tthis.on( 'change:isFocused', () => this._updateIsFocusedClasses() );\n\t\tthis._updateIsFocusedClasses();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tif ( this._hasExternalElement ) {\n\t\t\tthis.template.revert( this._editableElement );\n\t\t}\n\n\t\tsuper.destroy();\n\t}\n\n\t/**\n\t * Updates the `ck-focused` and `ck-blurred` CSS classes on the {@link #element} according to\n\t * the {@link #isFocused} property value using the {@link #_editingView editing view} API.\n\t *\n\t * @private\n\t */\n\t_updateIsFocusedClasses() {\n\t\tconst editingView = this._editingView;\n\n\t\tif ( editingView.isRenderingInProgress ) {\n\t\t\tupdateAfterRender( this );\n\t\t} else {\n\t\t\tupdate( this );\n\t\t}\n\n\t\tfunction update( view ) {\n\t\t\teditingView.change( writer => {\n\t\t\t\tconst viewRoot = editingView.document.getRoot( view.name );\n\n\t\t\t\twriter.addClass( view.isFocused ? 'ck-focused' : 'ck-blurred', viewRoot );\n\t\t\t\twriter.removeClass( view.isFocused ? 'ck-blurred' : 'ck-focused', viewRoot );\n\t\t\t} );\n\t\t}\n\n\t\t// In a case of a multi-root editor, a callback will be attached more than once (one callback for each root).\n\t\t// While executing one callback the `isRenderingInProgress` observable is changing what causes executing another\n\t\t// callback and render is called inside the already pending render.\n\t\t// We need to be sure that callback is executed only when the value has changed from `true` to `false`.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1676.\n\t\tfunction updateAfterRender( view ) {\n\t\t\teditingView.once( 'change:isRenderingInProgress', ( evt, name, value ) => {\n\t\t\t\tif ( !value ) {\n\t\t\t\t\tupdate( view );\n\t\t\t\t} else {\n\t\t\t\t\tupdateAfterRender( view );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/editableui/inline/inlineeditableuiview\n */\n\nimport EditableUIView from '../../editableui/editableuiview';\n\n/**\n * The inline editable UI class implementing an inline {@link module:ui/editableui/editableuiview~EditableUIView}.\n *\n * @extends module:ui/editableui/editableuiview~EditableUIView\n */\nexport default class InlineEditableUIView extends EditableUIView {\n\t/**\n\t * Creates an instance of the InlineEditableUIView class.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The locale instance.\n\t * @param {module:engine/view/view~View} editingView The editing view instance the editable is related to.\n\t * @param {HTMLElement} [editableElement] The editable element. If not specified, the\n\t * {@link module:ui/editableui/editableuiview~EditableUIView}\n\t * will create it. Otherwise, the existing element will be used.\n\t */\n\tconstructor( locale, editingView, editableElement ) {\n\t\tsuper( locale, editingView, editableElement );\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\trole: 'textbox',\n\t\t\t\tclass: 'ck-editor__editable_inline'\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tconst editingView = this._editingView;\n\t\tconst t = this.t;\n\n\t\teditingView.change( writer => {\n\t\t\tconst viewRoot = editingView.document.getRoot( this.name );\n\n\t\t\twriter.setAttribute( 'aria-label', t( 'Rich Text Editor, %0', this.name ), viewRoot );\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./formheader.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./formheader.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/formheader/formheaderview\n */\n\nimport View from '../view';\n\nimport '../../theme/components/formheader/formheader.css';\n\n/**\n * The class component representing a form header view. It should be used in more advanced forms to\n * describe the main purpose of the form.\n *\n * By default the component contains a bolded label view that has to be set. The label is usually a short (at most 3-word) string.\n * The component can also be extended by any other elements, like: icons, dropdowns, etc.\n *\n * It is used i.a.\n * by {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView}\n * and {@link module:special-characters/ui/specialcharactersnavigationview~SpecialCharactersNavigationView}.\n *\n * The latter is an example, where the component has been extended by {@link module:ui/dropdown/dropdownview~DropdownView} view.\n *\n * @extends module:ui/view~View\n */\nexport default class FormHeaderView extends View {\n\t/**\n\t * Creates an instance of the form header class.\n\t *\n\t * @param {module:utils/locale~Locale} locale The locale instance.\n\t * @param {Object} options\n\t * @param {String} options.label A label.\n\t * @param {String} [options.class] An additional class.\n\t */\n\tconstructor( locale, options = {} ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * The label of the header.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #label\n\t\t */\n\t\tthis.set( 'label', options.label || '' );\n\n\t\t/**\n\t\t * An additional CSS class added to the {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class', options.class || null );\n\n\t\t/**\n\t\t * A collection of header items.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form__header',\n\t\t\t\t\tbind.to( 'class' )\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\n\t\tconst label = new View( locale );\n\n\t\tlabel.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form__header__label'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{ text: bind.to( 'label' ) }\n\t\t\t]\n\t\t} );\n\n\t\tthis.children.add( label );\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./input.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./input.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/input/inputview\n */\n\nimport View from '../view';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\n\nimport '../../theme/components/input/input.css';\n\n/**\n * The base input view class.\n *\n * @extends module:ui/view~View\n */\nexport default class InputView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The value of the input.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #value\n\t\t */\n\t\tthis.set( 'value' );\n\n\t\t/**\n\t\t * The `id` attribute of the input (i.e. to pair with a `<label>` element).\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #id\n\t\t */\n\t\tthis.set( 'id' );\n\n\t\t/**\n\t\t * The `placeholder` attribute of the input.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #placeholder\n\t\t */\n\t\tthis.set( 'placeholder' );\n\n\t\t/**\n\t\t * Controls whether the input view is in read-only mode.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isReadOnly\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * Set to `true` when the field has some error. Usually controlled via\n\t\t * {@link module:ui/labeledinput/labeledinputview~LabeledInputView#errorText}.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #hasError\n\t\t */\n\t\tthis.set( 'hasError', false );\n\n\t\t/**\n\t\t * The `id` of the element describing this field, e.g. when it has\n\t\t * some error, it helps screen readers read the error text.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #ariaDescribedById\n\t\t */\n\t\tthis.set( 'ariaDescribedById' );\n\n\t\t/**\n\t\t * Stores information about the editor UI focus and propagates it so various plugins and components\n\t\t * are unified as a focus group.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker} #focusTracker\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An observable flag set to `true` when the input is currently focused by the user.\n\t\t * Set to `false` otherwise.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t * @default false\n\t\t */\n\t\tthis.bind( 'isFocused' ).to( this.focusTracker );\n\n\t\t/**\n\t\t * An observable flag set to `true` when the input contains no text, i.e.\n\t\t * when {@link #value} is `''`, `null`, or `false`.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isEmpty\n\t\t * @default true\n\t\t */\n\t\tthis.set( 'isEmpty', true );\n\n\t\t/**\n\t\t * Corresponds to the `inputmode` DOM attribute. Can be `text`, `numeric`, `decimal`, etc..\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #inputMode\n\t\t * @default 'text'\n\t\t */\n\t\tthis.set( 'inputMode', 'text' );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'input',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-input',\n\t\t\t\t\tbind.if( 'isFocused', 'ck-input_focused' ),\n\t\t\t\t\tbind.if( 'isEmpty', 'ck-input-text_empty' ),\n\t\t\t\t\tbind.if( 'hasError', 'ck-error' )\n\t\t\t\t],\n\t\t\t\tid: bind.to( 'id' ),\n\t\t\t\tplaceholder: bind.to( 'placeholder' ),\n\t\t\t\treadonly: bind.to( 'isReadOnly' ),\n\t\t\t\tinputmode: bind.to( 'inputMode' ),\n\t\t\t\t'aria-invalid': bind.if( 'hasError', true ),\n\t\t\t\t'aria-describedby': bind.to( 'ariaDescribedById' )\n\t\t\t},\n\t\t\ton: {\n\t\t\t\tinput: bind.to( ( ...args ) => {\n\t\t\t\t\tthis.fire( 'input', ...args );\n\t\t\t\t\tthis._updateIsEmpty();\n\t\t\t\t} ),\n\t\t\t\tchange: bind.to( this._updateIsEmpty.bind( this ) )\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * Fired when the user types in the input. Corresponds to the native\n\t\t * DOM `input` event.\n\t\t *\n\t\t * @event input\n\t\t */\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.focusTracker.add( this.element );\n\n\t\tthis._setDomElementValue( this.value );\n\t\tthis._updateIsEmpty();\n\n\t\t// Bind `this.value` to the DOM element's value.\n\t\t// We cannot use `value` DOM attribute because removing it on Edge does not clear the DOM element's value property.\n\t\tthis.on( 'change:value', ( evt, name, value ) => {\n\t\t\tthis._setDomElementValue( value );\n\t\t\tthis._updateIsEmpty();\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t}\n\n\t/**\n\t * Moves the focus to the input and selects the value.\n\t */\n\tselect() {\n\t\tthis.element.select();\n\t}\n\n\t/**\n\t * Focuses the input.\n\t */\n\tfocus() {\n\t\tthis.element.focus();\n\t}\n\n\t/**\n\t * Updates the {@link #isEmpty} property value on demand.\n\t *\n\t * @private\n\t */\n\t_updateIsEmpty() {\n\t\tthis.isEmpty = isInputElementEmpty( this.element );\n\t}\n\n\t/**\n\t * Sets the `value` property of the {@link #element DOM element} on demand.\n\t *\n\t * @private\n\t */\n\t_setDomElementValue( value ) {\n\t\tthis.element.value = ( !value && value !== 0 ) ? '' : value;\n\t}\n}\n\nfunction isInputElementEmpty( domElement ) {\n\treturn !domElement.value;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/inputtext/inputtextview\n */\n\nimport InputView from '../input/inputview';\n\n/**\n * The text input view class.\n *\n * @extends module:ui/input/inputview~InputView\n */\nexport default class InputTextView extends InputView {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\ttype: 'text',\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-input-text'\n\t\t\t\t]\n\t\t\t}\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./labeledfieldview.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./labeledfieldview.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/labeledfield/labeledfieldview\n */\n\nimport View from '../view';\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\nimport LabelView from '../label/labelview';\nimport '../../theme/components/labeledfield/labeledfieldview.css';\n\n/**\n * The labeled field view class. It can be used to enhance any view with the following features:\n *\n * * a label,\n * * (optional) an error message,\n * * (optional) an info (status) text,\n *\n * all bound logically by proper DOM attributes for UX and accessibility.  It also provides an interface\n * (e.g. observable properties) that allows controlling those additional features.\n *\n * The constructor of this class requires a callback that returns a view to be labeled. The callback\n * is called with unique ids that allow binding of DOM properties:\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, ( labeledFieldView, viewUid, statusUid ) => {\n *\t\t\tconst inputView = new InputTextView( labeledFieldView.locale );\n *\n *\t\t\tinputView.set( {\n *\t\t\t\tid: viewUid,\n *\t\t\t\tariaDescribedById: statusUid\n *\t\t\t} );\n *\n *\t\t\tinputView.bind( 'isReadOnly' ).to( labeledFieldView, 'isEnabled', value => !value );\n *\t\t\tinputView.bind( 'hasError' ).to( labeledFieldView, 'errorText', value => !!value );\n *\n *\t\t\treturn inputView;\n *\t\t} );\n *\n *\t\tlabeledInputView.label = 'User name';\n *\t\tlabeledInputView.infoText = 'Full name like for instance, John Doe.';\n *\t\tlabeledInputView.render();\n *\n *\t\tdocument.body.append( labeledInputView.element );\n *\n * See {@link module:ui/labeledfield/utils} to discover ready–to–use labeled input helpers for common\n * UI components.\n *\n * @extends module:ui/view~View\n */\nexport default class LabeledFieldView extends View {\n\t/**\n\t * Creates an instance of the labeled field view class using a provided creator function\n\t * that provides the view to be labeled.\n\t *\n\t * @param {module:utils/locale~Locale} locale The locale instance.\n\t * @param {Function} viewCreator A function that returns a {@link module:ui/view~View}\n\t * that will be labeled. The following arguments are passed to the creator function:\n\t *\n\t * * an instance of the `LabeledFieldView` to allow binding observable properties,\n\t * * an UID string that connects the {@link #labelView label} and the labeled field view in DOM,\n\t * * an UID string that connects the {@link #statusView status} and the labeled field view in DOM.\n\t */\n\tconstructor( locale, viewCreator ) {\n\t\tsuper( locale );\n\n\t\tconst viewUid = `ck-labeled-field-view-${ uid() }`;\n\t\tconst statusUid = `ck-labeled-field-view-status-${ uid() }`;\n\n\t\t/**\n\t\t * The field view that gets labeled.\n\t\t *\n\t\t * @member {module:ui/view~View} #fieldView\n\t\t */\n\t\tthis.fieldView = viewCreator( this, viewUid, statusUid );\n\n\t\t/**\n\t\t * The text of the label.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #label\n\t\t */\n\t\tthis.set( 'label' );\n\n\t\t/**\n\t\t * Controls whether the component is in read-only mode.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\t/**\n\t\t * An observable flag set to `true` when {@link #fieldView} is empty (`false` otherwise).\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isEmpty\n\t\t * @default true\n\t\t */\n\t\tthis.set( 'isEmpty', true );\n\n\t\t/**\n\t\t * An observable flag set to `true` when {@link #fieldView} is currently focused by\n\t\t * the user (`false` otherwise).\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t * @default false\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * The validation error text. When set, it will be displayed\n\t\t * next to the {@link #fieldView} as a typical validation error message.\n\t\t * Set it to `null` to hide the message.\n\t\t *\n\t\t * **Note:** Setting this property to anything but `null` will automatically\n\t\t * make the `hasError` of the {@link #fieldView} `true`.\n\t\t *\n\t\t * @observable\n\t\t * @member {String|null} #errorText\n\t\t */\n\t\tthis.set( 'errorText', null );\n\n\t\t/**\n\t\t * The additional information text displayed next to the {@link #fieldView} which can\n\t\t * be used to inform the user about its purpose, provide help or hints.\n\t\t *\n\t\t * Set it to `null` to hide the message.\n\t\t *\n\t\t * **Note:** This text will be displayed in the same place as {@link #errorText} but the\n\t\t * latter always takes precedence: if the {@link #errorText} is set, it replaces\n\t\t * {@link #infoText}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String|null} #infoText\n\t\t * @default null\n\t\t */\n\t\tthis.set( 'infoText', null );\n\n\t\t/**\n\t\t * (Optional) The additional CSS class set on the dropdown {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class' );\n\n\t\t/**\n\t\t * The content of the `placeholder` attribute of the {@link #fieldView}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #placeholder\n\t\t */\n\t\tthis.set( 'placeholder' );\n\n\t\t/**\n\t\t * The label view instance that describes the entire view.\n\t\t *\n\t\t * @member {module:ui/label/labelview~LabelView} #labelView\n\t\t */\n\t\tthis.labelView = this._createLabelView( viewUid );\n\n\t\t/**\n\t\t * The status view for the {@link #fieldView}. It displays {@link #errorText} and\n\t\t * {@link #infoText}.\n\t\t *\n\t\t * @member {module:ui/view~View} #statusView\n\t\t */\n\t\tthis.statusView = this._createStatusView( statusUid );\n\n\t\t/**\n\t\t * The combined status text made of {@link #errorText} and {@link #infoText}.\n\t\t * Note that when present, {@link #errorText} always takes precedence in the\n\t\t * status.\n\t\t *\n\t\t * @see #errorText\n\t\t * @see #infoText\n\t\t * @see #statusView\n\t\t * @private\n\t\t * @observable\n\t\t * @member {String|null} #_statusText\n\t\t */\n\t\tthis.bind( '_statusText' ).to(\n\t\t\tthis, 'errorText',\n\t\t\tthis, 'infoText',\n\t\t\t( errorText, infoText ) => errorText || infoText\n\t\t);\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-labeled-field-view',\n\t\t\t\t\tbind.to( 'class' ),\n\t\t\t\t\tbind.if( 'isEnabled', 'ck-disabled', value => !value ),\n\t\t\t\t\tbind.if( 'isEmpty', 'ck-labeled-field-view_empty' ),\n\t\t\t\t\tbind.if( 'isFocused', 'ck-labeled-field-view_focused' ),\n\t\t\t\t\tbind.if( 'placeholder', 'ck-labeled-field-view_placeholder' ),\n\t\t\t\t\tbind.if( 'errorText', 'ck-error' )\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t\t'ck-labeled-field-view__input-wrapper'\n\t\t\t\t\t\t]\n\t\t\t\t\t},\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tthis.fieldView,\n\t\t\t\t\t\tthis.labelView\n\t\t\t\t\t]\n\t\t\t\t},\n\t\t\t\tthis.statusView\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * Creates label view class instance and bind with view.\n\t *\n\t * @private\n\t * @param {String} id Unique id to set as labelView#for attribute.\n\t * @returns {module:ui/label/labelview~LabelView}\n\t */\n\t_createLabelView( id ) {\n\t\tconst labelView = new LabelView( this.locale );\n\n\t\tlabelView.for = id;\n\t\tlabelView.bind( 'text' ).to( this, 'label' );\n\n\t\treturn labelView;\n\t}\n\n\t/**\n\t * Creates the status view instance. It displays {@link #errorText} and {@link #infoText}\n\t * next to the {@link #fieldView}. See {@link #_statusText}.\n\t *\n\t * @private\n\t * @param {String} statusUid Unique id of the status, shared with the {@link #fieldView view's}\n\t * `aria-describedby` attribute.\n\t * @returns {module:ui/view~View}\n\t */\n\t_createStatusView( statusUid ) {\n\t\tconst statusView = new View( this.locale );\n\t\tconst bind = this.bindTemplate;\n\n\t\tstatusView.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-labeled-field-view__status',\n\t\t\t\t\tbind.if( 'errorText', 'ck-labeled-field-view__status_error' ),\n\t\t\t\t\tbind.if( '_statusText', 'ck-hidden', value => !value )\n\t\t\t\t],\n\t\t\t\tid: statusUid,\n\t\t\t\trole: bind.if( 'errorText', 'alert' )\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttext: bind.to( '_statusText' )\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\treturn statusView;\n\t}\n\n\t/**\n\t * Focuses the {@link #fieldView}.\n\t */\n\tfocus() {\n\t\tthis.fieldView.focus();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/labeledfield/utils\n */\n\nimport InputTextView from '../inputtext/inputtextview';\nimport InputNumberView from '../inputnumber/inputnumberview';\nimport { createDropdown } from '../dropdown/utils';\n\n/**\n * A helper for creating labeled inputs.\n *\n * It creates an instance of a {@link module:ui/inputtext/inputtextview~InputTextView input text} that is\n * logically related to a {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView labeled view} in DOM.\n *\n * The helper does the following:\n *\n * * It sets input's `id` and `ariaDescribedById` attributes.\n * * It binds input's `isReadOnly` to the labeled view.\n * * It binds input's `hasError` to the labeled view.\n * * It enables a logic that cleans up the error when user starts typing in the input.\n *\n * Usage:\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, createLabeledInputText );\n *\t\tconsole.log( labeledInputView.fieldView ); // A text input instance.\n *\n * @param {module:ui/labeledfield/labeledfieldview~LabeledFieldView} labeledFieldView The instance of the labeled field view.\n * @param {String} viewUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#labelView labeled view's label} and the input.\n * @param {String} statusUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#statusView labeled view's status} and the input.\n * @returns {module:ui/inputtext/inputtextview~InputTextView} The input text view instance.\n */\nexport function createLabeledInputText( labeledFieldView, viewUid, statusUid ) {\n\tconst inputView = new InputTextView( labeledFieldView.locale );\n\n\tinputView.set( {\n\t\tid: viewUid,\n\t\tariaDescribedById: statusUid\n\t} );\n\n\tinputView.bind( 'isReadOnly' ).to( labeledFieldView, 'isEnabled', value => !value );\n\tinputView.bind( 'hasError' ).to( labeledFieldView, 'errorText', value => !!value );\n\n\tinputView.on( 'input', () => {\n\t\t// UX: Make the error text disappear and disable the error indicator as the user\n\t\t// starts fixing the errors.\n\t\tlabeledFieldView.errorText = null;\n\t} );\n\n\tlabeledFieldView.bind( 'isEmpty', 'isFocused', 'placeholder' ).to( inputView );\n\n\treturn inputView;\n}\n\n/**\n * A helper for creating labeled number inputs.\n *\n * It creates an instance of a {@link module:ui/inputnumber/inputnumberview~InputNumberView input number} that is\n * logically related to a {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView labeled view} in DOM.\n *\n * The helper does the following:\n *\n * * It sets input's `id` and `ariaDescribedById` attributes.\n * * It binds input's `isReadOnly` to the labeled view.\n * * It binds input's `hasError` to the labeled view.\n * * It enables a logic that cleans up the error when user starts typing in the input.\n *\n * Usage:\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, createLabeledInputNumber );\n *\t\tconsole.log( labeledInputView.fieldView ); // A number input instance.\n *\n * @param {module:ui/labeledfield/labeledfieldview~LabeledFieldView} labeledFieldView The instance of the labeled field view.\n * @param {String} viewUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#labelView labeled view's label} and the input.\n * @param {String} statusUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#statusView labeled view's status} and the input.\n * @returns {module:ui/inputnumber/inputnumberview~InputNumberView} The input number view instance.\n */\nexport function createLabeledInputNumber( labeledFieldView, viewUid, statusUid ) {\n\tconst inputView = new InputNumberView( labeledFieldView.locale );\n\n\tinputView.set( {\n\t\tid: viewUid,\n\t\tariaDescribedById: statusUid,\n\t\tinputMode: 'numeric'\n\t} );\n\n\tinputView.bind( 'isReadOnly' ).to( labeledFieldView, 'isEnabled', value => !value );\n\tinputView.bind( 'hasError' ).to( labeledFieldView, 'errorText', value => !!value );\n\n\tinputView.on( 'input', () => {\n\t\t// UX: Make the error text disappear and disable the error indicator as the user\n\t\t// starts fixing the errors.\n\t\tlabeledFieldView.errorText = null;\n\t} );\n\n\tlabeledFieldView.bind( 'isEmpty', 'isFocused', 'placeholder' ).to( inputView );\n\n\treturn inputView;\n}\n\n/**\n * A helper for creating labeled dropdowns.\n *\n * It creates an instance of a {@link module:ui/dropdown/dropdownview~DropdownView dropdown} that is\n * logically related to a {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView labeled field view}.\n *\n * The helper does the following:\n *\n * * It sets dropdown's `id` and `ariaDescribedById` attributes.\n * * It binds input's `isEnabled` to the labeled view.\n *\n * Usage:\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, createLabeledDropdown );\n *\t\tconsole.log( labeledInputView.fieldView ); // A dropdown instance.\n *\n * @param {module:ui/labeledfield/labeledfieldview~LabeledFieldView} labeledFieldView The instance of the labeled field view.\n * @param {String} viewUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#labelView labeled view label} and the dropdown.\n * @param {String} statusUid An UID string that allows DOM logical connection between the\n * {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView#statusView labeled view status} and the dropdown.\n * @returns {module:ui/dropdown/dropdownview~DropdownView} The dropdown view instance.\n */\nexport function createLabeledDropdown( labeledFieldView, viewUid, statusUid ) {\n\tconst dropdownView = createDropdown( labeledFieldView.locale );\n\n\tdropdownView.set( {\n\t\tid: viewUid,\n\t\tariaDescribedById: statusUid\n\t} );\n\n\tdropdownView.bind( 'isEnabled' ).to( labeledFieldView );\n\n\treturn dropdownView;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/notification/notification\n */\n\n/* globals window */\n\nimport ContextPlugin from '@ckeditor/ckeditor5-core/src/contextplugin';\n\n/**\n * The Notification plugin.\n *\n * This plugin sends a few types of notifications: `success`, `info` and `warning`. The notifications need to be\n * handled and displayed by a plugin responsible for showing the UI of the notifications. Using this plugin for dispatching\n * notifications makes it possible to switch the notifications UI.\n *\n * Note that every unhandled and not stopped `warning` notification will be displayed as a system alert.\n * See {@link module:ui/notification/notification~Notification#showWarning}.\n *\n * @extends module:core/contextplugin~ContextPlugin\n */\nexport default class Notification extends ContextPlugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Notification';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\t// Each unhandled and not stopped `show:warning` event is displayed as a system alert.\n\t\tthis.on( 'show:warning', ( evt, data ) => {\n\t\t\twindow.alert( data.message ); // eslint-disable-line no-alert\n\t\t}, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * Shows a success notification.\n\t *\n\t * By default, it fires the {@link #event:show:success `show:success` event} with the given `data`. The event namespace can be extended\n\t * using the `data.namespace` option. For example:\n\t *\n\t * \t\tshowSuccess( 'Image is uploaded.', {\n\t * \t\t\tnamespace: 'upload:image'\n\t * \t\t} );\n\t *\n\t * will fire the `show:success:upload:image` event.\n\t *\n\t * You can provide the title of the notification:\n\t *\n\t *\t\tshowSuccess( 'Image is uploaded.', {\n\t *\t\t\ttitle: 'Image upload success'\n\t *\t\t} );\n\t *\n\t * @param {String} message The content of the notification.\n\t * @param {Object} [data={}] Additional data.\n\t * @param {String} [data.namespace] Additional event namespace.\n\t * @param {String} [data.title] The title of the notification.\n\t */\n\tshowSuccess( message, data = {} ) {\n\t\tthis._showNotification( {\n\t\t\tmessage,\n\t\t\ttype: 'success',\n\t\t\tnamespace: data.namespace,\n\t\t\ttitle: data.title\n\t\t} );\n\t}\n\n\t/**\n\t * Shows an information notification.\n\t *\n\t * By default, it fires the {@link #event:show:info `show:info` event} with the given `data`. The event namespace can be extended\n\t * using the `data.namespace` option. For example:\n\t *\n\t * \t\tshowInfo( 'Editor is offline.', {\n\t * \t\t\tnamespace: 'editor:status'\n\t * \t\t} );\n\t *\n\t * will fire the `show:info:editor:status` event.\n\t *\n\t * You can provide the title of the notification:\n\t *\n\t *\t\tshowInfo( 'Editor is offline.', {\n\t *\t\t\ttitle: 'Network information'\n\t *\t\t} );\n\t *\n\t * @param {String} message The content of the notification.\n\t * @param {Object} [data={}] Additional data.\n\t * @param {String} [data.namespace] Additional event namespace.\n\t * @param {String} [data.title] The title of the notification.\n\t */\n\tshowInfo( message, data = {} ) {\n\t\tthis._showNotification( {\n\t\t\tmessage,\n\t\t\ttype: 'info',\n\t\t\tnamespace: data.namespace,\n\t\t\ttitle: data.title\n\t\t} );\n\t}\n\n\t/**\n\t * Shows a warning notification.\n\t *\n\t * By default, it fires the {@link #event:show:warning `show:warning` event}\n\t * with the given `data`. The event namespace can be extended using the `data.namespace` option. For example:\n\t *\n\t * \t\tshowWarning( 'Image upload error.', {\n\t * \t\t\tnamespace: 'upload:image'\n\t * \t\t} );\n\t *\n\t * will fire the `show:warning:upload:image` event.\n\t *\n\t * You can provide the title of the notification:\n\t *\n\t *\t\tshowWarning( 'Image upload error.', {\n\t *\t\t\ttitle: 'Upload failed'\n\t *\t\t} );\n\t *\n\t * Note that each unhandled and not stopped `warning` notification will be displayed as a system alert.\n\t * The plugin responsible for displaying warnings should `stop()` the event to prevent displaying it as an alert:\n\t *\n\t * \t\tnotifications.on( 'show:warning', ( evt, data ) => {\n\t * \t\t\t// Do something with the data.\n\t *\n\t * \t\t\t// Stop this event to prevent displaying it as an alert.\n\t * \t\t\tevt.stop();\n\t * \t\t} );\n\t *\n\t * You can attach many listeners to the same event and `stop()` this event in a listener with a low priority:\n\t *\n\t * \t\tnotifications.on( 'show:warning', ( evt, data ) => {\n\t * \t\t\t// Show the warning in the UI, but do not stop it.\n\t * \t\t} );\n\t *\n\t * \t\tnotifications.on( 'show:warning', ( evt, data ) => {\n\t * \t\t\t// Log the warning to some error tracker.\n\t *\n\t * \t\t\t// Stop this event to prevent displaying it as an alert.\n\t * \t\t\tevt.stop();\n\t * \t\t}, { priority: 'low' } );\n\t *\n\t * @param {String} message The content of the notification.\n\t * @param {Object} [data={}] Additional data.\n\t * @param {String} [data.namespace] Additional event namespace.\n\t * @param {String} [data.title] The title of the notification.\n\t */\n\tshowWarning( message, data = {} ) {\n\t\tthis._showNotification( {\n\t\t\tmessage,\n\t\t\ttype: 'warning',\n\t\t\tnamespace: data.namespace,\n\t\t\ttitle: data.title\n\t\t} );\n\t}\n\n\t/**\n\t * Fires the `show` event with the specified type, namespace and message.\n\t *\n\t * @private\n\t * @param {Object} data The message data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {'success'|'info'|'warning'} data.type The type of the message.\n\t * @param {String} [data.namespace] Additional event namespace.\n\t * @param {String} [data.title=''] The title of the notification.\n\t */\n\t_showNotification( data ) {\n\t\tconst event = `show:${ data.type }` + ( data.namespace ? `:${ data.namespace }` : '' );\n\n\t\tthis.fire( event, {\n\t\t\tmessage: data.message,\n\t\t\ttype: data.type,\n\t\t\ttitle: data.title || ''\n\t\t} );\n\t}\n\n\t/**\n\t * Fired when one of the `showSuccess()`, `showInfo()`, `showWarning()` methods is called.\n\t *\n\t * @event show\n\t * @param {Object} data The notification data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {String} data.title The title of the notification.\n\t * @param {'success'|'info'|'warning'} data.type The type of the notification.\n\t */\n\n\t/**\n\t * Fired when the `showSuccess()` method is called.\n\t *\n\t * @event show:success\n\t * @param {Object} data The notification data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {String} data.title The title of the notification.\n\t * @param {'success'} data.type The type of the notification.\n\t */\n\n\t/**\n\t * Fired when the `showInfo()` method is called.\n\t *\n\t * @event show:info\n\t * @param {Object} data The notification data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {String} data.title The title of the notification.\n\t * @param {'info'} data.type The type of the notification.\n\t */\n\n\t/**\n\t * Fired when the `showWarning()` method is called.\n\t *\n\t * When this event is not handled or stopped by `event.stop()`, the `data.message` of this event will\n\t * be automatically displayed as a system alert.\n\t *\n\t * @event show:warning\n\t * @param {Object} data The notification data.\n\t * @param {String} data.message The content of the notification.\n\t * @param {String} data.title The title of the notification.\n\t * @param {'warning'} data.type The type of the notification.\n\t */\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/model\n */\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport { extend } from 'lodash-es';\n\n/**\n * The base MVC model class.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Model {\n\t/**\n\t * Creates a new Model instance.\n\t *\n\t * @param {Object} [attributes] The model state attributes to be defined during the instance creation.\n\t * @param {Object} [properties] The (out of state) properties to be appended to the instance during creation.\n\t */\n\tconstructor( attributes, properties ) {\n\t\t// Extend this instance with the additional (out of state) properties.\n\t\tif ( properties ) {\n\t\t\textend( this, properties );\n\t\t}\n\n\t\t// Initialize the attributes.\n\t\tif ( attributes ) {\n\t\t\tthis.set( attributes );\n\t\t}\n\t}\n}\n\nmix( Model, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/dom/tounit\n */\n\n/**\n * Returns a helper function, which adds a desired trailing\n * `unit` to the passed value.\n *\n * @param {String} unit An unit like \"px\" or \"em\".\n * @returns {module:utils/dom/tounit~helper}\n */\nexport default function toUnit( unit ) {\n\t/**\n\t * A function, which adds a pre–defined trailing `unit`\n\t * to the passed `value`.\n\t *\n\t * @function helper\n \t * @param {*} value A value to be given the unit.\n \t * @returns {String} A value with the trailing unit.\n\t */\n\treturn value => value + unit;\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./balloonpanel.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./balloonpanel.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\n/**\n * @module ui/panel/balloon/balloonpanelview\n */\n\nimport View from '../../view';\nimport { getOptimalPosition } from '@ckeditor/ckeditor5-utils/src/dom/position';\nimport isRange from '@ckeditor/ckeditor5-utils/src/dom/isrange';\nimport toUnit from '@ckeditor/ckeditor5-utils/src/dom/tounit';\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport { isElement } from 'lodash-es';\n\nimport '../../../theme/components/panel/balloonpanel.css';\n\nconst toPx = toUnit( 'px' );\nconst defaultLimiterElement = global.document.body;\n\n/**\n * The balloon panel view class.\n *\n * A floating container which can\n * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#pin pin} to any\n * {@link module:utils/dom/position~Options#target target} in the DOM and remain in that position\n * e.g. when the web page is scrolled.\n *\n * The balloon panel can be used to display contextual, non-blocking UI like forms, toolbars and\n * the like in its {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#content} view\n * collection.\n *\n * There is a number of {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}\n * that the balloon can use, automatically switching from one to another when the viewport space becomes\n * scarce to keep the balloon visible to the user as long as it is possible. The balloon will also\n * accept any custom position set provided by the user compatible with the\n * {@link module:utils/dom/position~Options options}.\n *\n *\t\tconst panel = new BalloonPanelView( locale );\n *\t\tconst childView = new ChildView();\n *\t\tconst positions = BalloonPanelView.defaultPositions;\n *\n *\t\tpanel.render();\n *\n *\t\t// Add a child view to the panel's content collection.\n *\t\tpanel.content.add( childView );\n *\n *\t\t// Start pinning the panel to an element with the \"target\" id DOM.\n *\t\t// The balloon will remain pinned until unpin() is called.\n *\t\tpanel.pin( {\n *\t\t\ttarget: document.querySelector( '#target' ),\n *\t\t\tpositions: [\n *\t\t\t\tpositions.northArrowSouth,\n *\t\t\t\tpositions.southArrowNorth\n *\t\t\t]\n *\t\t} );\n *\n * @extends module:ui/view~View\n */\nexport default class BalloonPanelView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * The absolute top position of the balloon panel in pixels.\n\t\t *\n\t\t * @observable\n\t\t * @default 0\n\t\t * @member {Number} #top\n\t\t */\n\t\tthis.set( 'top', 0 );\n\n\t\t/**\n\t\t * The absolute left position of the balloon panel in pixels.\n\t\t *\n\t\t * @observable\n\t\t * @default 0\n\t\t * @member {Number} #left\n\t\t */\n\t\tthis.set( 'left', 0 );\n\n\t\t/**\n\t\t * The balloon panel's current position. The position name is reflected in the CSS class set\n\t\t * to the balloon, i.e. `.ck-balloon-panel_arrow_nw` for the \"arrow_nw\" position. The class\n\t\t * controls the minor aspects of the balloon's visual appearance like the placement\n\t\t * of an {@link #withArrow arrow}. To support a new position, an additional CSS must be created.\n\t\t *\n\t\t * Default position names correspond with\n\t\t * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}.\n\t\t *\n\t\t * See the {@link #attachTo} and {@link #pin} methods to learn about custom balloon positions.\n\t\t *\n\t\t * @observable\n\t\t * @default 'arrow_nw'\n\t\t * @member {'arrow_nw'|'arrow_ne'|'arrow_sw'|'arrow_se'} #position\n\t\t */\n\t\tthis.set( 'position', 'arrow_nw' );\n\n\t\t/**\n\t\t * Controls whether the balloon panel is visible or not.\n\t\t *\n\t\t * @observable\n\t\t * @default false\n\t\t * @member {Boolean} #isVisible\n\t\t */\n\t\tthis.set( 'isVisible', false );\n\n\t\t/**\n\t\t * Controls whether the balloon panel has an arrow. The presence of the arrow\n\t\t * is reflected in the `ck-balloon-panel_with-arrow` CSS class.\n\t\t *\n\t\t * @observable\n\t\t * @default true\n\t\t * @member {Boolean} #withArrow\n\t\t */\n\t\tthis.set( 'withArrow', true );\n\n\t\t/**\n\t\t * An additional CSS class added to the {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class' );\n\n\t\t/**\n\t\t * A callback that starts pinning the panel when {@link #isVisible} gets\n\t\t * `true`. Used by {@link #pin}.\n\t\t *\n\t\t * @private\n\t\t * @member {Function} #_pinWhenIsVisibleCallback\n\t\t */\n\n\t\t/**\n\t\t * A collection of the child views that creates the balloon panel contents.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.content = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-balloon-panel',\n\t\t\t\t\tbind.to( 'position', value => `ck-balloon-panel_${ value }` ),\n\t\t\t\t\tbind.if( 'isVisible', 'ck-balloon-panel_visible' ),\n\t\t\t\t\tbind.if( 'withArrow', 'ck-balloon-panel_with-arrow' ),\n\t\t\t\t\tbind.to( 'class' )\n\t\t\t\t],\n\n\t\t\t\tstyle: {\n\t\t\t\t\ttop: bind.to( 'top', toPx ),\n\t\t\t\t\tleft: bind.to( 'left', toPx )\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tchildren: this.content\n\t\t} );\n\t}\n\n\t/**\n\t * Shows the panel.\n\t *\n\t * See {@link #isVisible}.\n\t */\n\tshow() {\n\t\tthis.isVisible = true;\n\t}\n\n\t/**\n\t * Hides the panel.\n\t *\n\t * See {@link #isVisible}.\n\t */\n\thide() {\n\t\tthis.isVisible = false;\n\t}\n\n\t/**\n\t * Attaches the panel to a specified {@link module:utils/dom/position~Options#target} with a\n\t * smart positioning heuristics that chooses from available positions to make sure the panel\n\t * is visible to the user i.e. within the limits of the viewport.\n\t *\n\t * This method accepts configuration {@link module:utils/dom/position~Options options}\n\t * to set the `target`, optional `limiter` and `positions` the balloon should choose from.\n\t *\n\t *\t\tconst panel = new BalloonPanelView( locale );\n\t *\t\tconst positions = BalloonPanelView.defaultPositions;\n\t *\n\t *\t\tpanel.render();\n\t *\n\t *\t\t// Attach the panel to an element with the \"target\" id DOM.\n\t *\t\tpanel.attachTo( {\n\t *\t\t\ttarget: document.querySelector( '#target' ),\n\t *\t\t\tpositions: [\n\t *\t\t\t\tpositions.northArrowSouth,\n\t *\t\t\t\tpositions.southArrowNorth\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t * **Note**: Attaching the panel will also automatically {@link #show} it.\n\t *\n\t * **Note**: An attached panel will not follow its target when the window is scrolled or resized.\n\t * See the {@link #pin} method for a more permanent positioning strategy.\n\t *\n\t * @param {module:utils/dom/position~Options} options Positioning options compatible with\n\t * {@link module:utils/dom/position~getOptimalPosition}. Default `positions` array is\n\t * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}.\n\t */\n\tattachTo( options ) {\n\t\tthis.show();\n\n\t\tconst defaultPositions = BalloonPanelView.defaultPositions;\n\t\tconst positionOptions = Object.assign( {}, {\n\t\t\telement: this.element,\n\t\t\tpositions: [\n\t\t\t\tdefaultPositions.southArrowNorth,\n\t\t\t\tdefaultPositions.southArrowNorthMiddleWest,\n\t\t\t\tdefaultPositions.southArrowNorthMiddleEast,\n\t\t\t\tdefaultPositions.southArrowNorthWest,\n\t\t\t\tdefaultPositions.southArrowNorthEast,\n\t\t\t\tdefaultPositions.northArrowSouth,\n\t\t\t\tdefaultPositions.northArrowSouthMiddleWest,\n\t\t\t\tdefaultPositions.northArrowSouthMiddleEast,\n\t\t\t\tdefaultPositions.northArrowSouthWest,\n\t\t\t\tdefaultPositions.northArrowSouthEast,\n\t\t\t\tdefaultPositions.viewportStickyNorth\n\t\t\t],\n\t\t\tlimiter: defaultLimiterElement,\n\t\t\tfitInViewport: true\n\t\t}, options );\n\n\t\tconst optimalPosition = BalloonPanelView._getOptimalPosition( positionOptions );\n\n\t\t// Usually browsers make some problems with super accurate values like 104.345px\n\t\t// so it is better to use int values.\n\t\tconst left = parseInt( optimalPosition.left );\n\t\tconst top = parseInt( optimalPosition.top );\n\n\t\tconst { name: position, config = {} } = optimalPosition;\n\t\tconst { withArrow = true } = config;\n\n\t\tObject.assign( this, { top, left, position, withArrow } );\n\t}\n\n\t/**\n\t * Works the same way as the {@link #attachTo} method except that the position of the panel is\n\t * continuously updated when:\n\t *\n\t * * any ancestor of the {@link module:utils/dom/position~Options#target}\n\t * or {@link module:utils/dom/position~Options#limiter} is scrolled,\n\t * * the browser window gets resized or scrolled.\n\t *\n\t * Thanks to that, the panel always sticks to the {@link module:utils/dom/position~Options#target}\n\t * and is immune to the changing environment.\n\t *\n\t *\t\tconst panel = new BalloonPanelView( locale );\n\t *\t\tconst positions = BalloonPanelView.defaultPositions;\n\t *\n\t *\t\tpanel.render();\n\t *\n\t *\t\t// Pin the panel to an element with the \"target\" id DOM.\n\t *\t\tpanel.pin( {\n\t *\t\t\ttarget: document.querySelector( '#target' ),\n\t *\t\t\tpositions: [\n\t *\t\t\t\tpositions.northArrowSouth,\n\t *\t\t\t\tpositions.southArrowNorth\n\t *\t\t\t]\n\t *\t\t} );\n\t *\n\t * To leave the pinned state, use the {@link #unpin} method.\n\t *\n\t * **Note**: Pinning the panel will also automatically {@link #show} it.\n\t *\n\t * @param {module:utils/dom/position~Options} options Positioning options compatible with\n\t * {@link module:utils/dom/position~getOptimalPosition}. Default `positions` array is\n\t * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}.\n\t */\n\tpin( options ) {\n\t\tthis.unpin();\n\n\t\tthis._pinWhenIsVisibleCallback = () => {\n\t\t\tif ( this.isVisible ) {\n\t\t\t\tthis._startPinning( options );\n\t\t\t} else {\n\t\t\t\tthis._stopPinning();\n\t\t\t}\n\t\t};\n\n\t\tthis._startPinning( options );\n\n\t\t// Control the state of the listeners depending on whether the panel is visible\n\t\t// or not.\n\t\t// TODO: Use on() (https://github.com/ckeditor/ckeditor5-utils/issues/144).\n\t\tthis.listenTo( this, 'change:isVisible', this._pinWhenIsVisibleCallback );\n\t}\n\n\t/**\n\t * Stops pinning the panel, as set up by {@link #pin}.\n\t */\n\tunpin() {\n\t\tif ( this._pinWhenIsVisibleCallback ) {\n\t\t\t// Deactivate listeners attached by pin().\n\t\t\tthis._stopPinning();\n\n\t\t\t// Deactivate the panel pin() control logic.\n\t\t\t// TODO: Use off() (https://github.com/ckeditor/ckeditor5-utils/issues/144).\n\t\t\tthis.stopListening( this, 'change:isVisible', this._pinWhenIsVisibleCallback );\n\n\t\t\tthis._pinWhenIsVisibleCallback = null;\n\n\t\t\tthis.hide();\n\t\t}\n\t}\n\n\t/**\n\t * Starts managing the pinned state of the panel. See {@link #pin}.\n\t *\n\t * @private\n\t * @param {module:utils/dom/position~Options} options Positioning options compatible with\n\t * {@link module:utils/dom/position~getOptimalPosition}.\n\t */\n\t_startPinning( options ) {\n\t\tthis.attachTo( options );\n\n\t\tconst targetElement = getDomElement( options.target );\n\t\tconst limiterElement = options.limiter ? getDomElement( options.limiter ) : defaultLimiterElement;\n\n\t\t// Then we need to listen on scroll event of eny element in the document.\n\t\tthis.listenTo( global.document, 'scroll', ( evt, domEvt ) => {\n\t\t\tconst scrollTarget = domEvt.target;\n\n\t\t\t// The position needs to be updated if the positioning target is within the scrolled element.\n\t\t\tconst isWithinScrollTarget = targetElement && scrollTarget.contains( targetElement );\n\n\t\t\t// The position needs to be updated if the positioning limiter is within the scrolled element.\n\t\t\tconst isLimiterWithinScrollTarget = limiterElement && scrollTarget.contains( limiterElement );\n\n\t\t\t// The positioning target and/or limiter can be a Rect, object etc..\n\t\t\t// There's no way to optimize the listener then.\n\t\t\tif ( isWithinScrollTarget || isLimiterWithinScrollTarget || !targetElement || !limiterElement ) {\n\t\t\t\tthis.attachTo( options );\n\t\t\t}\n\t\t}, { useCapture: true } );\n\n\t\t// We need to listen on window resize event and update position.\n\t\tthis.listenTo( global.window, 'resize', () => {\n\t\t\tthis.attachTo( options );\n\t\t} );\n\t}\n\n\t/**\n\t * Stops managing the pinned state of the panel. See {@link #pin}.\n\t *\n\t * @private\n\t */\n\t_stopPinning() {\n\t\tthis.stopListening( global.document, 'scroll' );\n\t\tthis.stopListening( global.window, 'resize' );\n\t}\n}\n\n// Returns the DOM element for given object or null, if there is none,\n// e.g. when the passed object is a Rect instance or so.\n//\n// @private\n// @param {*} object\n// @returns {HTMLElement|null}\nfunction getDomElement( object ) {\n\tif ( isElement( object ) ) {\n\t\treturn object;\n\t}\n\n\tif ( isRange( object ) ) {\n\t\treturn object.commonAncestorContainer;\n\t}\n\n\tif ( typeof object == 'function' ) {\n\t\treturn getDomElement( object() );\n\t}\n\n\treturn null;\n}\n\n/**\n * A horizontal offset of the arrow tip from the edge of the balloon. Controlled by CSS.\n *\n *\t\t +-----|---------...\n *\t\t |     |\n *\t\t |     |\n *\t\t |     |\n *\t\t |     |\n *\t\t +--+  |  +------...\n *\t\t     \\ | /\n *\t\t      \\|/\n *\t    >|-----|<---------------- horizontal offset\n *\n * @default 25\n * @member {Number} module:ui/panel/balloon/balloonpanelview~BalloonPanelView.arrowHorizontalOffset\n */\nBalloonPanelView.arrowHorizontalOffset = 25;\n\n/**\n * A vertical offset of the arrow from the edge of the balloon. Controlled by CSS.\n *\n *\t\t +-------------...\n *\t\t |\n *\t\t |\n *\t\t |                      /-- vertical offset\n *\t\t |                     V\n *\t\t +--+    +-----...    ---------\n *\t\t     \\  /              |\n *\t\t      \\/               |\n *\t\t-------------------------------\n *\t\t                       ^\n *\n * @default 10\n * @member {Number} module:ui/panel/balloon/balloonpanelview~BalloonPanelView.arrowVerticalOffset\n */\nBalloonPanelView.arrowVerticalOffset = 10;\n\n/**\n * A vertical offset of the balloon panel from the edge of the viewport if sticky.\n * It helps in accessing toolbar buttons underneath the balloon panel.\n *\n *\t\t  +---------------------------------------------------+\n *\t\t  |                      Target                       |\n *\t\t  |                                                   |\n *\t\t  |                            /-- vertical offset    |\n *\t\t+-----------------------------V-------------------------+\n *\t\t| Toolbar            +-------------+                    |\n *\t\t+--------------------|   Balloon   |--------------------+\n *\t\t| |                  +-------------+                  | |\n *\t\t| |                                                   | |\n *\t\t| |                                                   | |\n *\t\t| |                                                   | |\n *\t\t| +---------------------------------------------------+ |\n *\t\t|                        Viewport                       |\n *\t\t+-------------------------------------------------------+\n *\n * @default 20\n * @member {Number} module:ui/panel/balloon/balloonpanelview~BalloonPanelView.stickyVerticalOffset\n */\nBalloonPanelView.stickyVerticalOffset = 20;\n\n/**\n * Function used to calculate the optimal position for the balloon.\n *\n * @protected\n * @member {Function} module:ui/panel/balloon/balloonpanelview~BalloonPanelView._getOptimalPosition\n */\nBalloonPanelView._getOptimalPosition = getOptimalPosition;\n\n/**\n * A default set of positioning functions used by the balloon panel view\n * when attaching using the {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#attachTo} method.\n *\n * The available positioning functions are as follows:\n *\n *\n *\n * **North west**\n *\n * * `northWestArrowSouthWest`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t V\n *\t\t [ Target ]\n *\n * * `northWestArrowSouthMiddleWest`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t    V\n *\t\t    [ Target ]\n *\n * * `northWestArrowSouth`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t         V\n *\t\t         [ Target ]\n *\n * * `northWestArrowSouthMiddleEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t             V\n *\t\t             [ Target ]\n *\n * * `northWestArrowSouthEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t                 V\n *\t\t                 [ Target ]\n *\n *\n *\n * **North**\n *\n * * `northArrowSouthWest`\n *\n *\t\t    +-----------------+\n *\t\t    |     Balloon     |\n *\t\t    +-----------------+\n *\t\t     V\n *\t\t[ Target ]\n *\n * * `northArrowSouthMiddleWest`\n *\n *\t\t +-----------------+\n *\t\t |     Balloon     |\n *\t\t +-----------------+\n *\t\t     V\n *\t\t[ Target ]\n *\n * * `northArrowSouth`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t         V\n *\t\t    [ Target ]\n *\n * * `northArrowSouthMiddleEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t             V\n *\t\t        [ Target ]\n *\n * * `northArrowSouthEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t                V\n *\t\t           [ Target ]\n *\n * **North east**\n *\n * * `northEastArrowSouthWest`\n *\n *\t\t        +-----------------+\n *\t\t        |     Balloon     |\n *\t\t        +-----------------+\n *\t\t         V\n *\t\t[ Target ]\n *\n *\n * * `northEastArrowSouthMiddleWest`\n *\n *\t\t     +-----------------+\n *\t\t     |     Balloon     |\n *\t\t     +-----------------+\n *\t\t         V\n *\t\t[ Target ]\n *\n * * `northEastArrowSouth`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t         V\n *\t\t[ Target ]\n *\n * * `northEastArrowSouthMiddleEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t             V\n *\t\t    [ Target ]\n *\n * * `northEastArrowSouthEast`\n *\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\t\t                 V\n *\t\t        [ Target ]\n *\n *\n *\n * **South**\n *\n *\n * * `southArrowNorthWest`\n *\n *\t\t[ Target ]\n *\t\t     ^\n *\t\t    +-----------------+\n *\t\t    |     Balloon     |\n *\t\t    +-----------------+\n *\n * * `southArrowNorthMiddleWest`\n *\n *\t\t   [ Target ]\n *\t\t        ^\n *\t\t    +-----------------+\n *\t\t    |     Balloon     |\n *\t\t    +-----------------+\n *\n * * `southArrowNorth`\n *\n *\t\t    [ Target ]\n *\t\t         ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southArrowNorthMiddleEast`\n *\n *\t\t            [ Target ]\n *\t\t                 ^\n *\t\t   +-----------------+\n *\t\t   |     Balloon     |\n *\t\t   +-----------------+\n *\n * * `southArrowNorthEast`\n *\n *\t\t            [ Target ]\n *\t\t                 ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n *\n *\n * **South west**\n *\n * * `southWestArrowNorthWest`\n *\n *\t\t [ Target ]\n *\t\t ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southWestArrowNorthMiddleWest`\n *\n *\t\t     [ Target ]\n *\t\t     ^\n *\t\t +-----------------+\n *\t\t |     Balloon     |\n *\t\t +-----------------+\n *\n * * `southWestArrowNorth`\n *\n *\t\t         [ Target ]\n *\t\t         ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southWestArrowNorthMiddleEast`\n *\n *\t\t              [ Target ]\n *\t\t              ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southWestArrowNorthEast`\n *\n *\t\t                 [ Target ]\n *\t\t                 ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n *\n *\n * **South east**\n *\n * * `southEastArrowNorthWest`\n *\n *\t\t[ Target ]\n *\t\t         ^\n *\t\t        +-----------------+\n *\t\t        |     Balloon     |\n *\t\t        +-----------------+\n* * `southEastArrowNorthMiddleWest`\n *\n *\t\t   [ Target ]\n *\t\t            ^\n *\t\t        +-----------------+\n *\t\t        |     Balloon     |\n *\t\t        +-----------------+\n *\n * * `southEastArrowNorth`\n *\n *\t\t[ Target ]\n *\t\t         ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southEastArrowNorthMiddleEast`\n *\n *\t\t     [ Target ]\n *\t\t              ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `southEastArrowNorthEast`\n *\n *\t\t        [ Target ]\n *\t\t                 ^\n *\t\t+-----------------+\n *\t\t|     Balloon     |\n *\t\t+-----------------+\n *\n * * `viewportStickyNorth`\n *\n *\t\t    +---------------------------+\n *\t\t    |        [ Target ]         |\n *\t\t    |                           |\n *\t\t+-----------------------------------+\n *\t\t|   |    +-----------------+    |   |\n *\t\t|   |    |     Balloon     |    |   |\n *\t\t|   |    +-----------------+    |   |\n *\t\t|   |                           |   |\n *\t\t|   |                           |   |\n *\t\t|   |                           |   |\n *\t\t|   |                           |   |\n *\t\t|   +---------------------------+   |\n *\t\t|             Viewport              |\n *\t\t+-----------------------------------+\n *\n * See {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#attachTo}.\n *\n * Positioning functions must be compatible with {@link module:utils/dom/position~Position}.\n *\n * Default positioning functions with customized offsets can be generated using\n * {@link module:ui/panel/balloon/balloonpanelview~generatePositions}.\n *\n * The name that the position function returns will be reflected in the balloon panel's class that\n * controls the placement of the \"arrow\". See {@link #position} to learn more.\n *\n * @member {Object.<String,module:utils/dom/position~positioningFunction>}\n * module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions\n */\nBalloonPanelView.defaultPositions = generatePositions();\n\n/**\n * Returns available {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView}\n * {@link module:utils/dom/position~positioningFunction positioning functions} adjusted by the specific offsets.\n *\n * @protected\n * @param {Object} [options] Options to generate positions. If not specified, this helper will simply return\n * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.defaultPositions}.\n * @param {Number} [options.horizontalOffset] A custom horizontal offset (in pixels) of each position. If\n * not specified, {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.arrowHorizontalOffset the default value}\n * will be used.\n * @param {Number} [options.verticalOffset] A custom vertical offset (in pixels) of each position. If\n * not specified, {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.arrowVerticalOffset the default value}\n * will be used.\n * @param {Number} [options.stickyVerticalOffset] A custom offset (in pixels) of the `viewportStickyNorth` positioning function.\n * If not specified, {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView.stickyVerticalOffset the default value}\n * will be used.\n * @param {Object} [options.config] Additional configuration of the balloon balloon panel view.\n * Currently only {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView#withArrow} is supported. Learn more\n * about {@link module:utils/dom/position~positioningFunction positioning functions}.\n * @returns {Object.<String,module:utils/dom/position~positioningFunction>}\n */\nexport function generatePositions( {\n\thorizontalOffset = BalloonPanelView.arrowHorizontalOffset,\n\tverticalOffset = BalloonPanelView.arrowVerticalOffset,\n\tstickyVerticalOffset = BalloonPanelView.stickyVerticalOffset,\n\tconfig\n} = {} ) {\n\treturn {\n\t\t// ------- North west\n\n\t\tnorthWestArrowSouthWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - horizontalOffset,\n\t\t\tname: 'arrow_sw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthWestArrowSouthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - ( balloonRect.width * .25 ) - horizontalOffset,\n\t\t\tname: 'arrow_smw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthWestArrowSouth: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - balloonRect.width / 2,\n\t\t\tname: 'arrow_s',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthWestArrowSouthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - ( balloonRect.width * .75 ) + horizontalOffset,\n\t\t\tname: 'arrow_sme',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthWestArrowSouthEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - balloonRect.width + horizontalOffset,\n\t\t\tname: 'arrow_se',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\t// ------- North\n\n\t\tnorthArrowSouthWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - horizontalOffset,\n\t\t\tname: 'arrow_sw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthArrowSouthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - ( balloonRect.width * .25 ) - horizontalOffset,\n\t\t\tname: 'arrow_smw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthArrowSouth: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width / 2,\n\t\t\tname: 'arrow_s',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthArrowSouthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - ( balloonRect.width * .75 ) + horizontalOffset,\n\t\t\tname: 'arrow_sme',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthArrowSouthEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width + horizontalOffset,\n\t\t\tname: 'arrow_se',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\t// ------- North east\n\n\t\tnorthEastArrowSouthWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - horizontalOffset,\n\t\t\tname: 'arrow_sw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthEastArrowSouthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - ( balloonRect.width * .25 ) - horizontalOffset,\n\t\t\tname: 'arrow_smw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthEastArrowSouth: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - balloonRect.width / 2,\n\t\t\tname: 'arrow_s',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthEastArrowSouthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - ( balloonRect.width * .75 ) + horizontalOffset,\n\t\t\tname: 'arrow_sme',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tnorthEastArrowSouthEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getNorthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - balloonRect.width + horizontalOffset,\n\t\t\tname: 'arrow_se',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\t// ------- South west\n\n\t\tsouthWestArrowNorthWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - horizontalOffset,\n\t\t\tname: 'arrow_nw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthWestArrowNorthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - ( balloonRect.width * .25 ) - horizontalOffset,\n\t\t\tname: 'arrow_nmw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthWestArrowNorth: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - balloonRect.width / 2,\n\t\t\tname: 'arrow_n',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthWestArrowNorthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - ( balloonRect.width * .75 ) + horizontalOffset,\n\t\t\tname: 'arrow_nme',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthWestArrowNorthEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left - balloonRect.width + horizontalOffset,\n\t\t\tname: 'arrow_ne',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\t// ------- South\n\n\t\tsouthArrowNorthWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - horizontalOffset,\n\t\t\tname: 'arrow_nw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthArrowNorthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - ( balloonRect.width * 0.25 ) - horizontalOffset,\n\t\t\tname: 'arrow_nmw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthArrowNorth: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width / 2,\n\t\t\tname: 'arrow_n',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthArrowNorthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - ( balloonRect.width * 0.75 ) + horizontalOffset,\n\t\t\tname: 'arrow_nme',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthArrowNorthEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width + horizontalOffset,\n\t\t\tname: 'arrow_ne',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\t// ------- South east\n\n\t\tsouthEastArrowNorthWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - horizontalOffset,\n\t\t\tname: 'arrow_nw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthEastArrowNorthMiddleWest: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - ( balloonRect.width * .25 ) - horizontalOffset,\n\t\t\tname: 'arrow_nmw',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthEastArrowNorth: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - balloonRect.width / 2,\n\t\t\tname: 'arrow_n',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthEastArrowNorthMiddleEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - ( balloonRect.width * .75 ) + horizontalOffset,\n\t\t\tname: 'arrow_nme',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\tsouthEastArrowNorthEast: ( targetRect, balloonRect ) => ( {\n\t\t\ttop: getSouthTop( targetRect, balloonRect ),\n\t\t\tleft: targetRect.right - balloonRect.width + horizontalOffset,\n\t\t\tname: 'arrow_ne',\n\t\t\t...( config && { config } )\n\t\t} ),\n\n\t\t// ------- Sticky\n\n\t\tviewportStickyNorth: ( targetRect, balloonRect, viewportRect ) => {\n\t\t\tif ( !targetRect.getIntersection( viewportRect ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\ttop: viewportRect.top + stickyVerticalOffset,\n\t\t\t\tleft: targetRect.left + targetRect.width / 2 - balloonRect.width / 2,\n\t\t\t\tname: 'arrowless',\n\t\t\t\tconfig: {\n\t\t\t\t\twithArrow: false,\n\t\t\t\t\t...config\n\t\t\t\t}\n\t\t\t};\n\t\t}\n\t};\n\n\t// Returns the top coordinate for positions starting with `north*`.\n\t//\n\t// @private\n\t// @param {utils/dom/rect~Rect} targetRect A rect of the target.\n\t// @param {utils/dom/rect~Rect} elementRect A rect of the balloon.\n\t// @returns {Number}\n\tfunction getNorthTop( targetRect, balloonRect ) {\n\t\treturn targetRect.top - balloonRect.height - verticalOffset;\n\t}\n\n\t// Returns the top coordinate for positions starting with `south*`.\n\t//\n\t// @private\n\t// @param {utils/dom/rect~Rect} targetRect A rect of the target.\n\t// @param {utils/dom/rect~Rect} elementRect A rect of the balloon.\n\t// @returns {Number}\n\tfunction getSouthTop( targetRect ) {\n\t\treturn targetRect.bottom + verticalOffset;\n\t}\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./balloonrotator.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./balloonrotator.css\";\n       export default content && content.locals ? content.locals : undefined;\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./fakepanel.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./fakepanel.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/panel/balloon/contextualballoon\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport BalloonPanelView from './balloonpanelview';\nimport View from '../../view';\nimport ButtonView from '../../button/buttonview';\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport toUnit from '@ckeditor/ckeditor5-utils/src/dom/tounit';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\n\nimport prevIcon from '../../../theme/icons/previous-arrow.svg';\nimport nextIcon from '../../../theme/icons/next-arrow.svg';\n\nimport '../../../theme/components/panel/balloonrotator.css';\nimport '../../../theme/components/panel/fakepanel.css';\n\nconst toPx = toUnit( 'px' );\n\n/**\n * Provides the common contextual balloon for the editor.\n *\n * The role of this plugin is to unify the contextual balloons logic, simplify views management and help\n * avoid the unnecessary complexity of handling multiple {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView}\n * instances in the editor.\n *\n * This plugin allows for creating single or multiple panel stacks.\n *\n * Each stack may have multiple views, with the one on the top being visible. When the visible view is removed from the stack,\n * the previous view becomes visible.\n *\n * It might be useful to implement nested navigation in a balloon. For instance, a toolbar view may contain a link button.\n * When you click it, a link view (which lets you set the URL) is created and put on top of the toolbar view, so the link panel\n * is displayed. When you finish editing the link and close (remove) the link view, the toolbar view is visible again.\n *\n * However, there are cases when there are multiple independent balloons to be displayed, for instance, if the selection\n * is inside two inline comments at the same time. For such cases, you can create two independent panel stacks.\n * The contextual balloon plugin will create a navigation bar to let the users switch between these panel stacks using the \"Next\"\n * and \"Previous\" buttons.\n *\n * If there are no views in the current stack, the balloon panel will try to switch to the next stack. If there are no\n * panels in any stack, the balloon panel will be hidden.\n *\n * **Note**: To force the balloon panel to show only one view, even if there are other stacks, use the `singleViewMode=true` option\n * when {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon#add adding} a view to a panel.\n *\n * From the implementation point of view, the contextual ballon plugin is reusing a single\n * {@link module:ui/panel/balloon/balloonpanelview~BalloonPanelView} instance to display multiple contextual balloon\n * panels in the editor. It also creates a special {@link module:ui/panel/balloon/contextualballoon~RotatorView rotator view},\n * used to manage multiple panel stacks. Rotator view is a child of the balloon panel view and the parent of the specific\n * view you want to display. If there is more than one panel stack to be displayed, the rotator view will add a\n * navigation bar. If there is only one stack, the rotator view is transparent (it does not add any UI elements).\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ContextualBalloon extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ContextualBalloon';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The {@link module:utils/dom/position~Options#limiter position limiter}\n\t\t * for the {@link #view balloon}, used when no `limiter` has been passed into {@link #add}\n\t\t * or {@link #updatePosition}.\n\t\t *\n\t\t * By default, a function that obtains the farthest DOM\n\t\t * {@link module:engine/view/rooteditableelement~RootEditableElement}\n\t\t * of the {@link module:engine/view/document~Document#selection}.\n\t\t *\n\t\t * @member {module:utils/dom/position~Options#limiter} #positionLimiter\n\t\t */\n\t\tthis.positionLimiter = () => {\n\t\t\tconst view = this.editor.editing.view;\n\t\t\tconst viewDocument = view.document;\n\t\t\tconst editableElement = viewDocument.selection.editableElement;\n\n\t\t\tif ( editableElement ) {\n\t\t\t\treturn view.domConverter.mapViewToDom( editableElement.root );\n\t\t\t}\n\n\t\t\treturn null;\n\t\t};\n\n\t\t/**\n\t\t * The currently visible view or `null` when there are no views in any stack.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {module:ui/view~View|null} #visibleView\n\t\t */\n\t\tthis.set( 'visibleView', null );\n\n\t\t/**\n\t\t * The common balloon panel view.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/panel/balloon/balloonpanelview~BalloonPanelView} #view\n\t\t */\n\t\tthis.view = new BalloonPanelView( editor.locale );\n\t\teditor.ui.view.body.add( this.view );\n\t\teditor.ui.focusTracker.add( this.view.element );\n\n\t\t/**\n\t\t * The map of views and their stacks.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<module:ui/view~View,Set>}\n\t\t */\n\t\tthis._viewToStack = new Map();\n\n\t\t/**\n\t\t * The map of IDs and stacks.\n\t\t *\n\t\t * @private\n\t\t * @type {Map.<String,Set>}\n\t\t */\n\t\tthis._idToStack = new Map();\n\n\t\t/**\n\t\t * A total number of all stacks in the balloon.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #_numberOfStacks\n\t\t */\n\t\tthis.set( '_numberOfStacks', 0 );\n\n\t\t/**\n\t\t * A flag that controls the single view mode.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #_singleViewMode\n\t\t */\n\t\tthis.set( '_singleViewMode', false );\n\n\t\t/**\n\t\t * Rotator view embedded in the contextual balloon.\n\t\t * Displays the currently visible view in the balloon and provides navigation for switching stacks.\n\t\t *\n\t\t * @private\n\t\t * @type {module:ui/panel/balloon/contextualballoon~RotatorView}\n\t\t */\n\t\tthis._rotatorView = this._createRotatorView();\n\n\t\t/**\n\t\t * Displays fake panels under the balloon panel view when multiple stacks are added to the balloon.\n\t\t *\n\t\t * @private\n\t\t * @type {module:ui/view~View}\n\t\t */\n\t\tthis._fakePanelsView = this._createFakePanelsView();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.view.destroy();\n\t\tthis._rotatorView.destroy();\n\t\tthis._fakePanelsView.destroy();\n\t}\n\n\t/**\n\t * Returns `true` when the given view is in one of the stacks. Otherwise returns `false`.\n\t *\n\t * @param {module:ui/view~View} view\n\t * @returns {Boolean}\n\t */\n\thasView( view ) {\n\t\treturn Array.from( this._viewToStack.keys() ).includes( view );\n\t}\n\n\t/**\n\t * Adds a new view to the stack and makes it visible if the current stack is visible\n\t * or it is the first view in the balloon.\n\t *\n\t * @param {Object} data The configuration of the view.\n\t * @param {String} [data.stackId='main'] The ID of the stack that the view is added to.\n\t * @param {module:ui/view~View} [data.view] The content of the balloon.\n\t * @param {module:utils/dom/position~Options} [data.position] Positioning options.\n\t * @param {String} [data.balloonClassName] An additional CSS class added to the {@link #view balloon} when visible.\n\t * @param {Boolean} [data.withArrow=true] Whether the {@link #view balloon} should be rendered with an arrow.\n\t * @param {Boolean} [data.singleViewMode=false] Whether the view should be the only visible view even if other stacks were added.\n\t */\n\tadd( data ) {\n\t\tif ( this.hasView( data.view ) ) {\n\t\t\t/**\n\t\t\t * Trying to add configuration of the same view more than once.\n\t\t\t *\n\t\t\t * @error contextualballoon-add-view-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'contextualballoon-add-view-exist',\n\t\t\t\t[ this, data ]\n\t\t\t);\n\t\t}\n\n\t\tconst stackId = data.stackId || 'main';\n\n\t\t// If new stack is added, creates it and show view from this stack.\n\t\tif ( !this._idToStack.has( stackId ) ) {\n\t\t\tthis._idToStack.set( stackId, new Map( [ [ data.view, data ] ] ) );\n\t\t\tthis._viewToStack.set( data.view, this._idToStack.get( stackId ) );\n\t\t\tthis._numberOfStacks = this._idToStack.size;\n\n\t\t\tif ( !this._visibleStack || data.singleViewMode ) {\n\t\t\t\tthis.showStack( stackId );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst stack = this._idToStack.get( stackId );\n\n\t\tif ( data.singleViewMode ) {\n\t\t\tthis.showStack( stackId );\n\t\t}\n\n\t\t// Add new view to the stack.\n\t\tstack.set( data.view, data );\n\t\tthis._viewToStack.set( data.view, stack );\n\n\t\t// And display it if is added to the currently visible stack.\n\t\tif ( stack === this._visibleStack ) {\n\t\t\tthis._showView( data );\n\t\t}\n\t}\n\n\t/**\n\t * Removes the given view from the stack. If the removed view was visible,\n\t * the view preceding it in the stack will become visible instead.\n\t * When there is no view in the stack, the next stack will be displayed.\n\t * When there are no more stacks, the balloon will hide.\n\t *\n\t * @param {module:ui/view~View} view A view to be removed from the balloon.\n\t */\n\tremove( view ) {\n\t\tif ( !this.hasView( view ) ) {\n\t\t\t/**\n\t\t\t * Trying to remove the configuration of the view not defined in the stack.\n\t\t\t *\n\t\t\t * @error contextualballoon-remove-view-not-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'contextualballoon-remove-view-not-exist',\n\t\t\t\t[ this, view ]\n\t\t\t);\n\t\t}\n\n\t\tconst stack = this._viewToStack.get( view );\n\n\t\tif ( this._singleViewMode && this.visibleView === view ) {\n\t\t\tthis._singleViewMode = false;\n\t\t}\n\n\t\t// When visible view will be removed we need to show a preceding view or next stack\n\t\t// if a view is the only view in the stack.\n\t\tif ( this.visibleView === view ) {\n\t\t\tif ( stack.size === 1 ) {\n\t\t\t\tif ( this._idToStack.size > 1 ) {\n\t\t\t\t\tthis._showNextStack();\n\t\t\t\t} else {\n\t\t\t\t\tthis.view.hide();\n\t\t\t\t\tthis.visibleView = null;\n\t\t\t\t\tthis._rotatorView.hideView();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tthis._showView( Array.from( stack.values() )[ stack.size - 2 ] );\n\t\t\t}\n\t\t}\n\n\t\tif ( stack.size === 1 ) {\n\t\t\tthis._idToStack.delete( this._getStackId( stack ) );\n\t\t\tthis._numberOfStacks = this._idToStack.size;\n\t\t} else {\n\t\t\tstack.delete( view );\n\t\t}\n\n\t\tthis._viewToStack.delete( view );\n\t}\n\n\t/**\n\t * Updates the position of the balloon using the position data of the first visible view in the stack.\n\t * When new position data is given, the position data of the currently visible view will be updated.\n\t *\n\t * @param {module:utils/dom/position~Options} [position] position options.\n\t */\n\tupdatePosition( position ) {\n\t\tif ( position ) {\n\t\t\tthis._visibleStack.get( this.visibleView ).position = position;\n\t\t}\n\n\t\tthis.view.pin( this._getBalloonPosition() );\n\t\tthis._fakePanelsView.updatePosition();\n\t}\n\n\t/**\n\t * Shows the last view from the stack of a given ID.\n\t *\n\t * @param {String} id\n\t */\n\tshowStack( id ) {\n\t\tthis.visibleStack = id;\n\t\tconst stack = this._idToStack.get( id );\n\n\t\tif ( !stack ) {\n\t\t\t/**\n\t\t\t * Trying to show a stack that does not exist.\n\t\t\t *\n\t\t\t * @error contextualballoon-showstack-stack-not-exist\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'contextualballoon-showstack-stack-not-exist',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tif ( this._visibleStack === stack ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._showView( Array.from( stack.values() ).pop() );\n\t}\n\n\t/**\n\t * Returns the stack of the currently visible view.\n\t *\n\t * @private\n\t * @type {Set}\n\t */\n\tget _visibleStack() {\n\t\treturn this._viewToStack.get( this.visibleView );\n\t}\n\n\t/**\n\t * Returns the ID of the given stack.\n\t *\n\t * @private\n\t * @param {Set} stack\n\t * @returns {String}\n\t */\n\t_getStackId( stack ) {\n\t\tconst entry = Array.from( this._idToStack.entries() ).find( entry => entry[ 1 ] === stack );\n\n\t\treturn entry[ 0 ];\n\t}\n\n\t/**\n\t * Shows the last view from the next stack.\n\t *\n\t * @private\n\t */\n\t_showNextStack() {\n\t\tconst stacks = Array.from( this._idToStack.values() );\n\n\t\tlet nextIndex = stacks.indexOf( this._visibleStack ) + 1;\n\n\t\tif ( !stacks[ nextIndex ] ) {\n\t\t\tnextIndex = 0;\n\t\t}\n\n\t\tthis.showStack( this._getStackId( stacks[ nextIndex ] ) );\n\t}\n\n\t/**\n\t * Shows the last view from the previous stack.\n\t *\n\t * @private\n\t */\n\t_showPrevStack() {\n\t\tconst stacks = Array.from( this._idToStack.values() );\n\n\t\tlet nextIndex = stacks.indexOf( this._visibleStack ) - 1;\n\n\t\tif ( !stacks[ nextIndex ] ) {\n\t\t\tnextIndex = stacks.length - 1;\n\t\t}\n\n\t\tthis.showStack( this._getStackId( stacks[ nextIndex ] ) );\n\t}\n\n\t/**\n\t * Creates a rotator view.\n\t *\n\t * @private\n\t * @returns {module:ui/panel/balloon/contextualballoon~RotatorView}\n\t */\n\t_createRotatorView() {\n\t\tconst view = new RotatorView( this.editor.locale );\n\t\tconst t = this.editor.locale.t;\n\n\t\tthis.view.content.add( view );\n\n\t\t// Hide navigation when there is only a one stack & not in single view mode.\n\t\tview.bind( 'isNavigationVisible' ).to( this, '_numberOfStacks', this, '_singleViewMode', ( value, isSingleViewMode ) => {\n\t\t\treturn !isSingleViewMode && value > 1;\n\t\t} );\n\n\t\t// Update balloon position after toggling navigation.\n\t\tview.on( 'change:isNavigationVisible', () => ( this.updatePosition() ), { priority: 'low' } );\n\n\t\t// Update stacks counter value.\n\t\tview.bind( 'counter' ).to( this, 'visibleView', this, '_numberOfStacks', ( visibleView, numberOfStacks ) => {\n\t\t\tif ( numberOfStacks < 2 ) {\n\t\t\t\treturn '';\n\t\t\t}\n\n\t\t\tconst current = Array.from( this._idToStack.values() ).indexOf( this._visibleStack ) + 1;\n\n\t\t\treturn t( '%0 of %1', [ current, numberOfStacks ] );\n\t\t} );\n\n\t\tview.buttonNextView.on( 'execute', () => {\n\t\t\t// When current view has a focus then move focus to the editable before removing it,\n\t\t\t// otherwise editor will lost focus.\n\t\t\tif ( view.focusTracker.isFocused ) {\n\t\t\t\tthis.editor.editing.view.focus();\n\t\t\t}\n\n\t\t\tthis._showNextStack();\n\t\t} );\n\n\t\tview.buttonPrevView.on( 'execute', () => {\n\t\t\t// When current view has a focus then move focus to the editable before removing it,\n\t\t\t// otherwise editor will lost focus.\n\t\t\tif ( view.focusTracker.isFocused ) {\n\t\t\t\tthis.editor.editing.view.focus();\n\t\t\t}\n\n\t\t\tthis._showPrevStack();\n\t\t} );\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * @private\n\t * @returns {module:ui/view~View}\n\t */\n\t_createFakePanelsView() {\n\t\tconst view = new FakePanelsView( this.editor.locale, this.view );\n\n\t\tview.bind( 'numberOfPanels' ).to( this, '_numberOfStacks', this, '_singleViewMode', ( number, isSingleViewMode ) => {\n\t\t\tconst showPanels = !isSingleViewMode && number >= 2;\n\n\t\t\treturn showPanels ? Math.min( number - 1, 2 ) : 0;\n\t\t} );\n\n\t\tview.listenTo( this.view, 'change:top', () => view.updatePosition() );\n\t\tview.listenTo( this.view, 'change:left', () => view.updatePosition() );\n\n\t\tthis.editor.ui.view.body.add( view );\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * Sets the view as the content of the balloon and attaches the balloon using position\n\t * options of the first view.\n\t *\n\t * @private\n\t * @param {Object} data Configuration.\n\t * @param {module:ui/view~View} [data.view] The view to show in the balloon.\n\t * @param {String} [data.balloonClassName=''] Additional class name which will be added to the {@link #view balloon}.\n\t * @param {Boolean} [data.withArrow=true] Whether the {@link #view balloon} should be rendered with an arrow.\n\t */\n\t_showView( { view, balloonClassName = '', withArrow = true, singleViewMode = false } ) {\n\t\tthis.view.class = balloonClassName;\n\t\tthis.view.withArrow = withArrow;\n\n\t\tthis._rotatorView.showView( view );\n\t\tthis.visibleView = view;\n\t\tthis.view.pin( this._getBalloonPosition() );\n\t\tthis._fakePanelsView.updatePosition();\n\n\t\tif ( singleViewMode ) {\n\t\t\tthis._singleViewMode = true;\n\t\t}\n\t}\n\n\t/**\n\t * Returns position options of the last view in the stack.\n\t * This keeps the balloon in the same position when the view is changed.\n\t *\n\t * @private\n\t * @returns {module:utils/dom/position~Options}\n\t */\n\t_getBalloonPosition() {\n\t\tlet position = Array.from( this._visibleStack.values() ).pop().position;\n\n\t\tif ( position ) {\n\t\t\t// Use the default limiter if none has been specified.\n\t\t\tif ( !position.limiter ) {\n\t\t\t\t// Don't modify the original options object.\n\t\t\t\tposition = Object.assign( {}, position, {\n\t\t\t\t\tlimiter: this.positionLimiter\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\t// Don't modify the original options object.\n\t\t\tposition = Object.assign( {}, position, {\n\t\t\t\tviewportOffsetConfig: this.editor.ui.viewportOffset\n\t\t\t} );\n\t\t}\n\n\t\treturn position;\n\t}\n}\n\n/**\n * Rotator view is a helper class for the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon ContextualBalloon}.\n * It is used for displaying the last view from the current stack and providing navigation buttons for switching stacks.\n * See the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon ContextualBalloon} documentation to learn more.\n *\n * @extends module:ui/view~View\n */\nclass RotatorView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst t = locale.t;\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Defines whether navigation is visible or not.\n\t\t *\n\t\t * @member {Boolean} #isNavigationVisible\n\t\t */\n\t\tthis.set( 'isNavigationVisible', true );\n\n\t\t/**\n\t\t * Used for checking if a view is focused or not.\n\t\t *\n\t\t * @type {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * Navigation button for switching the stack to the previous one.\n\t\t *\n\t\t * @type {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.buttonPrevView = this._createButtonView( t( 'Previous' ), prevIcon );\n\n\t\t/**\n\t\t * Navigation button for switching the stack to the next one.\n\t\t *\n\t\t * @type {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.buttonNextView = this._createButtonView( t( 'Next' ), nextIcon );\n\n\t\t/**\n\t\t * A collection of the child views that creates the rotator content.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.content = this.createCollection();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-balloon-rotator'\n\t\t\t\t],\n\t\t\t\t'z-index': '-1'\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck-balloon-rotator__navigation',\n\t\t\t\t\t\t\tbind.to( 'isNavigationVisible', value => value ? '' : 'ck-hidden' )\n\t\t\t\t\t\t]\n\t\t\t\t\t},\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tthis.buttonPrevView,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttag: 'span',\n\n\t\t\t\t\t\t\tattributes: {\n\t\t\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t\t\t'ck-balloon-rotator__counter'\n\t\t\t\t\t\t\t\t]\n\t\t\t\t\t\t\t},\n\n\t\t\t\t\t\t\tchildren: [\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\ttext: bind.to( 'counter' )\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t]\n\t\t\t\t\t\t},\n\t\t\t\t\t\tthis.buttonNextView\n\t\t\t\t\t]\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: 'ck-balloon-rotator__content'\n\t\t\t\t\t},\n\t\t\t\t\tchildren: this.content\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.focusTracker.add( this.element );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t}\n\n\t/**\n\t * Shows a given view.\n\t *\n\t * @param {module:ui/view~View} view The view to show.\n\t */\n\tshowView( view ) {\n\t\tthis.hideView();\n\t\tthis.content.add( view );\n\t}\n\n\t/**\n\t * Hides the currently displayed view.\n\t */\n\thideView() {\n\t\tthis.content.clear();\n\t}\n\n\t/**\n\t * Creates a navigation button view.\n\t *\n\t * @private\n\t * @param {String} label The button label.\n\t * @param {String} icon The button icon.\n\t * @returns {module:ui/button/buttonview~ButtonView}\n\t */\n\t_createButtonView( label, icon ) {\n\t\tconst view = new ButtonView( this.locale );\n\n\t\tview.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\treturn view;\n\t}\n}\n\n// Displays additional layers under the balloon when multiple stacks are added to the balloon.\n//\n// @private\n// @extends module:ui/view~View\nclass FakePanelsView extends View {\n\t// @inheritDoc\n\tconstructor( locale, balloonPanelView ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t// Fake panels top offset.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #top\n\t\tthis.set( 'top', 0 );\n\n\t\t// Fake panels left offset.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #left\n\t\tthis.set( 'left', 0 );\n\n\t\t// Fake panels height.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #height\n\t\tthis.set( 'height', 0 );\n\n\t\t// Fake panels width.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #width\n\t\tthis.set( 'width', 0 );\n\n\t\t// Number of rendered fake panels.\n\t\t//\n\t\t// @observable\n\t\t// @member {Number} #numberOfPanels\n\t\tthis.set( 'numberOfPanels', 0 );\n\n\t\t// Collection of the child views which creates fake panel content.\n\t\t//\n\t\t// @readonly\n\t\t// @type {module:ui/viewcollection~ViewCollection}\n\t\tthis.content = this.createCollection();\n\n\t\t// Context.\n\t\t//\n\t\t// @private\n\t\t// @type {module:ui/panel/balloon/balloonpanelview~BalloonPanelView}\n\t\tthis._balloonPanelView = balloonPanelView;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-fake-panel',\n\t\t\t\t\tbind.to( 'numberOfPanels', number => number ? '' : 'ck-hidden' )\n\t\t\t\t],\n\t\t\t\tstyle: {\n\t\t\t\t\ttop: bind.to( 'top', toPx ),\n\t\t\t\t\tleft: bind.to( 'left', toPx ),\n\t\t\t\t\twidth: bind.to( 'width', toPx ),\n\t\t\t\t\theight: bind.to( 'height', toPx )\n\t\t\t\t}\n\t\t\t},\n\t\t\tchildren: this.content\n\t\t} );\n\n\t\tthis.on( 'change:numberOfPanels', ( evt, name, next, prev ) => {\n\t\t\tif ( next > prev ) {\n\t\t\t\tthis._addPanels( next - prev );\n\t\t\t} else {\n\t\t\t\tthis._removePanels( prev - next );\n\t\t\t}\n\n\t\t\tthis.updatePosition();\n\t\t} );\n\t}\n\n\t// @private\n\t// @param {Number} number\n\t_addPanels( number ) {\n\t\twhile ( number-- ) {\n\t\t\tconst view = new View();\n\n\t\t\tview.setTemplate( { tag: 'div' } );\n\n\t\t\tthis.content.add( view );\n\t\t\tthis.registerChild( view );\n\t\t}\n\t}\n\n\t// @private\n\t// @param {Number} number\n\t_removePanels( number ) {\n\t\twhile ( number-- ) {\n\t\t\tconst view = this.content.last;\n\n\t\t\tthis.content.remove( view );\n\t\t\tthis.deregisterChild( view );\n\t\t\tview.destroy();\n\t\t}\n\t}\n\n\t// Updates coordinates of fake panels.\n\tupdatePosition() {\n\t\tif ( this.numberOfPanels ) {\n\t\t\tconst { top, left } = this._balloonPanelView;\n\t\t\tconst { width, height } = new Rect( this._balloonPanelView.element );\n\n\t\t\tObject.assign( this, { top, left, width, height } );\n\t\t}\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z\\\"/></svg>\";","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./stickypanel.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./stickypanel.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/panel/sticky/stickypanelview\n */\n\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport View from '../../view';\nimport Template from '../../template';\nimport toUnit from '@ckeditor/ckeditor5-utils/src/dom/tounit';\n\nimport '../../../theme/components/panel/stickypanel.css';\n\nconst toPx = toUnit( 'px' );\n\n/**\n * The sticky panel view class.\n */\nexport default class StickyPanelView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Controls whether the sticky panel should be active.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isActive\n\t\t */\n\t\tthis.set( 'isActive', false );\n\n\t\t/**\n\t\t * Controls whether the sticky panel is in the \"sticky\" state.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isSticky\n\t\t */\n\t\tthis.set( 'isSticky', false );\n\n\t\t/**\n\t\t * The limiter element for the sticky panel instance. Its bounding rect limits\n\t\t * the \"stickyness\" of the panel, i.e. when the panel reaches the bottom\n\t\t * edge of the limiter, it becomes sticky to that edge and does not float\n\t\t * off the limiter. It is mandatory for the panel to work properly and once\n\t\t * set, it cannot be changed.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {HTMLElement} #limiterElement\n\t\t */\n\t\tthis.set( 'limiterElement', null );\n\n\t\t/**\n\t\t * The offset from the bottom edge of {@link #limiterElement}\n\t\t * which stops the panel from stickying any further to prevent limiter's content\n\t\t * from being completely covered.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @default 50\n\t\t * @member {Number} #limiterBottomOffset\n\t\t */\n\t\tthis.set( 'limiterBottomOffset', 50 );\n\n\t\t/**\n\t\t * The offset from the top edge of the web browser's viewport which makes the\n\t\t * panel become sticky. The default value is `0`, which means the panel becomes\n\t\t * sticky when it's upper edge touches the top of the page viewport.\n\t\t *\n\t\t * This attribute is useful when the web page has UI elements positioned to the top\n\t\t * either using `position: fixed` or `position: sticky`, which would cover the\n\t\t * sticky panel or vice–versa (depending on the `z-index` hierarchy).\n\t\t *\n\t\t * Bound to {@link module:core/editor/editorui~EditorUI#viewportOffset `EditorUI#viewportOffset`}.\n\t\t *\n\t\t * If {@link module:core/editor/editorconfig~EditorConfig#ui `EditorConfig#ui.viewportOffset.top`} is defined, then\n\t\t * it will override the default value.\n\t\t *\n\t\t * @observable\n\t\t * @default 0\n\t\t * @member {Number} #viewportTopOffset\n\t\t */\n\t\tthis.set( 'viewportTopOffset', 0 );\n\n\t\t/**\n\t\t * Controls the `margin-left` CSS style of the panel.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {String} #_marginLeft\n\t\t */\n\t\tthis.set( '_marginLeft', null );\n\n\t\t/**\n\t\t * Set `true` if the sticky panel reached the bottom edge of the\n\t\t * {@link #limiterElement}.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #_isStickyToTheLimiter\n\t\t */\n\t\tthis.set( '_isStickyToTheLimiter', false );\n\n\t\t/**\n\t\t * Set `true` if the sticky panel uses the {@link #viewportTopOffset},\n\t\t * i.e. not {@link #_isStickyToTheLimiter} and the {@link #viewportTopOffset}\n\t\t * is not `0`.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #_hasViewportTopOffset\n\t\t */\n\t\tthis.set( '_hasViewportTopOffset', false );\n\n\t\t/**\n\t\t * Collection of the child views which creates balloon panel contents.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.content = this.createCollection();\n\n\t\t/**\n\t\t * The DOM bounding client rect of the {@link module:ui/view~View#element} of the panel.\n\t\t *\n\t\t * @protected\n\t\t * @member {Object} #_panelRect\n\t\t */\n\n\t\t/**\n\t\t * The DOM bounding client rect of the {@link #limiterElement}\n\t\t * of the panel.\n\t\t *\n\t\t * @protected\n\t\t * @member {Object} #_limiterRect\n\t\t */\n\n\t\t/**\n\t\t * A dummy element which visually fills the space as long as the\n\t\t * actual panel is sticky. It prevents flickering of the UI.\n\t\t *\n\t\t * @protected\n\t\t * @property {HTMLElement}\n\t\t */\n\t\tthis._contentPanelPlaceholder = new Template( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-sticky-panel__placeholder'\n\t\t\t\t],\n\t\t\t\tstyle: {\n\t\t\t\t\tdisplay: bind.to( 'isSticky', isSticky => isSticky ? 'block' : 'none' ),\n\t\t\t\t\theight: bind.to( 'isSticky', isSticky => {\n\t\t\t\t\t\treturn isSticky ? toPx( this._panelRect.height ) : null;\n\t\t\t\t\t} )\n\t\t\t\t}\n\t\t\t}\n\t\t} ).render();\n\n\t\t/**\n\t\t * The panel which accepts children into {@link #content} collection.\n\t\t * Also an element which is positioned when {@link #isSticky}.\n\t\t *\n\t\t * @protected\n\t\t * @property {HTMLElement}\n\t\t */\n\t\tthis._contentPanel = new Template( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-sticky-panel__content',\n\t\t\t\t\t// Toggle class of the panel when \"sticky\" state changes in the view.\n\t\t\t\t\tbind.if( 'isSticky', 'ck-sticky-panel__content_sticky' ),\n\t\t\t\t\tbind.if( '_isStickyToTheLimiter', 'ck-sticky-panel__content_sticky_bottom-limit' )\n\t\t\t\t],\n\t\t\t\tstyle: {\n\t\t\t\t\twidth: bind.to( 'isSticky', isSticky => {\n\t\t\t\t\t\treturn isSticky ? toPx( this._contentPanelPlaceholder.getBoundingClientRect().width ) : null;\n\t\t\t\t\t} ),\n\n\t\t\t\t\ttop: bind.to( '_hasViewportTopOffset', _hasViewportTopOffset => {\n\t\t\t\t\t\treturn _hasViewportTopOffset ? toPx( this.viewportTopOffset ) : null;\n\t\t\t\t\t} ),\n\n\t\t\t\t\tbottom: bind.to( '_isStickyToTheLimiter', _isStickyToTheLimiter => {\n\t\t\t\t\t\treturn _isStickyToTheLimiter ? toPx( this.limiterBottomOffset ) : null;\n\t\t\t\t\t} ),\n\n\t\t\t\t\tmarginLeft: bind.to( '_marginLeft' )\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tchildren: this.content\n\t\t} ).render();\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-sticky-panel'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\tthis._contentPanelPlaceholder,\n\t\t\t\tthis._contentPanel\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Check if the panel should go into the sticky state immediately.\n\t\tthis._checkIfShouldBeSticky();\n\n\t\t// Update sticky state of the panel as the window is being scrolled.\n\t\tthis.listenTo( global.window, 'scroll', () => {\n\t\t\tthis._checkIfShouldBeSticky();\n\t\t} );\n\n\t\t// Synchronize with `model.isActive` because sticking an inactive panel is pointless.\n\t\tthis.listenTo( this, 'change:isActive', () => {\n\t\t\tthis._checkIfShouldBeSticky();\n\t\t} );\n\t}\n\n\t/**\n\t * Analyzes the environment to decide whether the panel should\n\t * be sticky or not.\n\t *\n\t * @protected\n\t */\n\t_checkIfShouldBeSticky() {\n\t\tconst panelRect = this._panelRect = this._contentPanel.getBoundingClientRect();\n\t\tlet limiterRect;\n\n\t\tif ( !this.limiterElement ) {\n\t\t\tthis.isSticky = false;\n\t\t} else {\n\t\t\tlimiterRect = this._limiterRect = this.limiterElement.getBoundingClientRect();\n\n\t\t\t// The panel must be active to become sticky.\n\t\t\tthis.isSticky = this.isActive &&\n\t\t\t\t// The limiter's top edge must be beyond the upper edge of the visible viewport (+the viewportTopOffset).\n\t\t\t\tlimiterRect.top < this.viewportTopOffset &&\n\t\t\t\t// The model#limiterElement's height mustn't be smaller than the panel's height and model#limiterBottomOffset.\n\t\t\t\t// There's no point in entering the sticky mode if the model#limiterElement is very, very small, because\n\t\t\t\t// it would immediately set model#_isStickyToTheLimiter true and, given model#limiterBottomOffset, the panel\n\t\t\t\t// would be positioned before the model#limiterElement.\n\t\t\t\tthis._panelRect.height + this.limiterBottomOffset < limiterRect.height;\n\t\t}\n\n\t\t// Stick the panel to the top edge of the viewport simulating CSS position:sticky.\n\t\t// TODO: Possibly replaced by CSS in the future http://caniuse.com/#feat=css-sticky\n\t\tif ( this.isSticky ) {\n\t\t\tthis._isStickyToTheLimiter =\n\t\t\t\tlimiterRect.bottom < panelRect.height + this.limiterBottomOffset + this.viewportTopOffset;\n\t\t\tthis._hasViewportTopOffset = !this._isStickyToTheLimiter && !!this.viewportTopOffset;\n\t\t\tthis._marginLeft = this._isStickyToTheLimiter ? null : toPx( -global.window.scrollX );\n\t\t}\n\t\t// Detach the panel from the top edge of the viewport.\n\t\telse {\n\t\t\tthis._isStickyToTheLimiter = false;\n\t\t\tthis._hasViewportTopOffset = false;\n\t\t\tthis._marginLeft = null;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/balloon/balloontoolbar\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '../../panel/balloon/contextualballoon';\nimport ToolbarView from '../toolbarview';\nimport BalloonPanelView, { generatePositions } from '../../panel/balloon/balloonpanelview.js';\nimport FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport normalizeToolbarConfig from '../normalizetoolbarconfig';\nimport { debounce } from 'lodash-es';\nimport ResizeObserver from '@ckeditor/ckeditor5-utils/src/dom/resizeobserver';\nimport toUnit from '@ckeditor/ckeditor5-utils/src/dom/tounit';\nimport { env, global } from '@ckeditor/ckeditor5-utils';\n\nconst toPx = toUnit( 'px' );\n\n/**\n * The contextual toolbar.\n *\n * It uses the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon plugin}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BalloonToolbar extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BalloonToolbar';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A cached and normalized `config.balloonToolbar` object.\n\t\t *\n\t\t * @type {module:core/editor/editorconfig~EditorConfig#balloonToolbar}\n\t\t * @private\n\t\t */\n\t\tthis._balloonConfig = normalizeToolbarConfig( editor.config.get( 'balloonToolbar' ) );\n\n\t\t/**\n\t\t * The toolbar view displayed in the balloon.\n\t\t *\n\t\t * @type {module:ui/toolbar/toolbarview~ToolbarView}\n\t\t */\n\t\tthis.toolbarView = this._createToolbarView();\n\n\t\t/**\n\t\t * Tracks the focus of the {@link module:core/editor/editorui~EditorUI#getEditableElement editable element}\n\t\t * and the {@link #toolbarView}. When both are blurred then the toolbar should hide.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils:focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t// Wait for the EditorUI#init. EditableElement is not available before.\n\t\teditor.ui.once( 'ready', () => {\n\t\t\tthis.focusTracker.add( editor.ui.getEditableElement() );\n\t\t\tthis.focusTracker.add( this.toolbarView.element );\n\t\t} );\n\n\t\t/**\n\t\t * An instance of the resize observer that allows to respond to changes in editable's geometry\n\t\t * so the toolbar can stay within its boundaries (and group toolbar items that do not fit).\n\t\t *\n\t\t * **Note**: Used only when `shouldNotGroupWhenFull` was **not** set in the\n\t\t * {@link module:core/editor/editorconfig~EditorConfig#balloonToolbar configuration}.\n\t\t *\n\t\t * **Note:** Created in {@link #init}.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:utils/dom/resizeobserver~ResizeObserver}\n\t\t */\n\t\tthis._resizeObserver = null;\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @type {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t/**\n\t\t * Fires {@link #event:_selectionChangeDebounced} event using `lodash#debounce`.\n\t\t *\n\t\t * This function is stored as a plugin property to make possible to cancel\n\t\t * trailing debounced invocation on destroy.\n\t\t *\n\t\t * @private\n\t\t * @type {Function}\n\t\t */\n\t\tthis._fireSelectionChangeDebounced = debounce( () => this.fire( '_selectionChangeDebounced' ), 200 );\n\n\t\t// The appearance of the BalloonToolbar method is event–driven.\n\t\t// It is possible to stop the #show event and this prevent the toolbar from showing up.\n\t\tthis.decorate( 'show' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\n\t\t// Show/hide the toolbar on editable focus/blur.\n\t\tthis.listenTo( this.focusTracker, 'change:isFocused', ( evt, name, isFocused ) => {\n\t\t\tconst isToolbarVisible = this._balloon.visibleView === this.toolbarView;\n\n\t\t\tif ( !isFocused && isToolbarVisible ) {\n\t\t\t\tthis.hide();\n\t\t\t} else if ( isFocused ) {\n\t\t\t\tthis.show();\n\t\t\t}\n\t\t} );\n\n\t\t// Hide the toolbar when the selection is changed by a direct change or has changed to collapsed.\n\t\tthis.listenTo( selection, 'change:range', ( evt, data ) => {\n\t\t\tif ( data.directChange || selection.isCollapsed ) {\n\t\t\t\tthis.hide();\n\t\t\t}\n\n\t\t\t// Fire internal `_selectionChangeDebounced` event to use it for showing\n\t\t\t// the toolbar after the selection stops changing.\n\t\t\tthis._fireSelectionChangeDebounced();\n\t\t} );\n\n\t\t// Show the toolbar when the selection stops changing.\n\t\tthis.listenTo( this, '_selectionChangeDebounced', () => {\n\t\t\tif ( this.editor.editing.view.document.isFocused ) {\n\t\t\t\tthis.show();\n\t\t\t}\n\t\t} );\n\n\t\tif ( !this._balloonConfig.shouldNotGroupWhenFull ) {\n\t\t\tthis.listenTo( editor, 'ready', () => {\n\t\t\t\tconst editableElement = editor.ui.view.editable.element;\n\n\t\t\t\t// Set #toolbarView's max-width on the initialization and update it on the editable resize.\n\t\t\t\tthis._resizeObserver = new ResizeObserver( editableElement, () => {\n\t\t\t\t\t// The max-width equals 90% of the editable's width for the best user experience.\n\t\t\t\t\t// The value keeps the balloon very close to the boundaries of the editable and limits the cases\n\t\t\t\t\t// when the balloon juts out from the editable element it belongs to.\n\t\t\t\t\tthis.toolbarView.maxWidth = toPx( new Rect( editableElement ).width * .9 );\n\t\t\t\t} );\n\t\t\t} );\n\t\t}\n\n\t\t// Listen to the toolbar view and whenever it changes its geometry due to some items being\n\t\t// grouped or ungrouped, update the position of the balloon because a shorter/longer toolbar\n\t\t// means the balloon could be pointing at the wrong place. Once updated, the balloon will point\n\t\t// at the right selection in the content again.\n\t\t// https://github.com/ckeditor/ckeditor5/issues/6444\n\t\tthis.listenTo( this.toolbarView, 'groupedItemsUpdate', () => {\n\t\t\tthis._updatePosition();\n\t\t} );\n\t}\n\n\t/**\n\t * Creates toolbar components based on given configuration.\n\t * This needs to be done when all plugins are ready.\n\t *\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst factory = this.editor.ui.componentFactory;\n\n\t\tthis.toolbarView.fillFromConfig( this._balloonConfig, factory );\n\t}\n\n\t/**\n\t * Creates the toolbar view instance.\n\t *\n\t * @private\n\t * @returns {module:ui/toolbar/toolbarview~ToolbarView}\n\t */\n\t_createToolbarView() {\n\t\tconst shouldGroupWhenFull = !this._balloonConfig.shouldNotGroupWhenFull;\n\t\tconst toolbarView = new ToolbarView( this.editor.locale, {\n\t\t\tshouldGroupWhenFull,\n\t\t\tisFloating: true\n\t\t} );\n\n\t\ttoolbarView.render();\n\n\t\treturn toolbarView;\n\t}\n\n\t/**\n\t * Shows the toolbar and attaches it to the selection.\n\t *\n\t * Fires {@link #event:show} event which can be stopped to prevent the toolbar from showing up.\n\t */\n\tshow() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst schema = editor.model.schema;\n\n\t\t// Do not add the toolbar to the balloon stack twice.\n\t\tif ( this._balloon.hasView( this.toolbarView ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Do not show the toolbar when the selection is collapsed.\n\t\tif ( selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Do not show the toolbar when there is more than one range in the selection and they fully contain selectable elements.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/6443.\n\t\tif ( selectionContainsOnlyMultipleSelectables( selection, schema ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Don not show the toolbar when all components inside are disabled\n\t\t// see https://github.com/ckeditor/ckeditor5-ui/issues/269.\n\t\tif ( Array.from( this.toolbarView.items ).every( item => item.isEnabled !== undefined && !item.isEnabled ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Update the toolbar position when the editor ui should be refreshed.\n\t\tthis.listenTo( this.editor.ui, 'update', () => {\n\t\t\tthis._updatePosition();\n\t\t} );\n\n\t\t// Add the toolbar to the common editor contextual balloon.\n\t\tthis._balloon.add( {\n\t\t\tview: this.toolbarView,\n\t\t\tposition: this._getBalloonPositionData(),\n\t\t\tballoonClassName: 'ck-toolbar-container'\n\t\t} );\n\t}\n\n\t/**\n\t * Hides the toolbar.\n\t */\n\thide() {\n\t\tif ( this._balloon.hasView( this.toolbarView ) ) {\n\t\t\tthis.stopListening( this.editor.ui, 'update' );\n\t\t\tthis._balloon.remove( this.toolbarView );\n\t\t}\n\t}\n\n\t/**\n\t * Returns positioning options for the {@link #_balloon}. They control the way balloon is attached\n\t * to the selection.\n\t *\n\t * @private\n\t * @returns {module:utils/dom/position~Options}\n\t */\n\t_getBalloonPositionData() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tconst viewSelection = viewDocument.selection;\n\n\t\t// Get direction of the selection.\n\t\tconst isBackward = viewDocument.selection.isBackward;\n\n\t\treturn {\n\t\t\t// Because the target for BalloonPanelView is a Rect (not DOMRange), it's geometry will stay fixed\n\t\t\t// as the window scrolls. To let the BalloonPanelView follow such Rect, is must be continuously\n\t\t\t// computed and hence, the target is defined as a function instead of a static value.\n\t\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/195\n\t\t\ttarget: () => {\n\t\t\t\tconst range = isBackward ? viewSelection.getFirstRange() : viewSelection.getLastRange();\n\t\t\t\tconst rangeRects = Rect.getDomRangeRects( view.domConverter.viewRangeToDom( range ) );\n\n\t\t\t\t// Select the proper range rect depending on the direction of the selection.\n\t\t\t\tif ( isBackward ) {\n\t\t\t\t\treturn rangeRects[ 0 ];\n\t\t\t\t} else {\n\t\t\t\t\t// Ditch the zero-width \"orphan\" rect in the next line for the forward selection if there's\n\t\t\t\t\t// another one preceding it. It is not rendered as a selection by the web browser anyway.\n\t\t\t\t\t// https://github.com/ckeditor/ckeditor5-ui/issues/308\n\t\t\t\t\tif ( rangeRects.length > 1 && rangeRects[ rangeRects.length - 1 ].width === 0 ) {\n\t\t\t\t\t\trangeRects.pop();\n\t\t\t\t\t}\n\n\t\t\t\t\treturn rangeRects[ rangeRects.length - 1 ];\n\t\t\t\t}\n\t\t\t},\n\t\t\tpositions: this._getBalloonPositions( isBackward )\n\t\t};\n\t}\n\n\t/**\n\t * Updates the position of the {@link #_balloon} to make up for changes:\n\t *\n\t * * in the geometry of the selection it is attached to (e.g. the selection moved in the viewport or expanded or shrunk),\n\t * * or the geometry of the balloon toolbar itself (e.g. the toolbar has grouped or ungrouped some items and it is shorter or longer).\n\t *\n\t * @private\n\t */\n\t_updatePosition() {\n\t\tthis._balloon.updatePosition( this._getBalloonPositionData() );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.stopListening();\n\t\tthis._fireSelectionChangeDebounced.cancel();\n\t\tthis.toolbarView.destroy();\n\t\tthis.focusTracker.destroy();\n\n\t\tif ( this._resizeObserver ) {\n\t\t\tthis._resizeObserver.destroy();\n\t\t}\n\t}\n\n\t/**\n\t * This event is fired just before the toolbar shows up. Stopping this event will prevent this.\n\t *\n\t * @event show\n\t */\n\n\t/**\n\t * This is internal plugin event which is fired 200 ms after model selection last change.\n\t * This is to makes easy test debounced action without need to use `setTimeout`.\n\t *\n\t * @protected\n\t * @event _selectionChangeDebounced\n\t */\n\n\t/**\n\t * Returns toolbar positions for the given direction of the selection.\n\t *\n\t * @private\n\t * @param {Boolean} isBackward\n\t * @returns {Array.<module:utils/dom/position~Position>}\n\t */\n\t_getBalloonPositions( isBackward ) {\n\t\tconst isSafariIniOS = env.isSafari && env.isiOS;\n\n\t\t// https://github.com/ckeditor/ckeditor5/issues/7707\n\t\tconst positions = isSafariIniOS ? generatePositions( {\n\t\t\t// 20px when zoomed out. Less then 20px when zoomed in; the \"radius\" of the native selection handle gets\n\t\t\t// smaller as the user zooms in. No less than the default v-offset, though.\n\t\t\tverticalOffset: Math.max(\n\t\t\t\tBalloonPanelView.arrowVerticalOffset,\n\t\t\t\tMath.round( 20 / global.window.visualViewport.scale )\n\t\t\t)\n\t\t} ) : BalloonPanelView.defaultPositions;\n\n\t\treturn isBackward ? [\n\t\t\tpositions.northWestArrowSouth,\n\t\t\tpositions.northWestArrowSouthWest,\n\t\t\tpositions.northWestArrowSouthEast,\n\t\t\tpositions.northWestArrowSouthMiddleEast,\n\t\t\tpositions.northWestArrowSouthMiddleWest,\n\t\t\tpositions.southWestArrowNorth,\n\t\t\tpositions.southWestArrowNorthWest,\n\t\t\tpositions.southWestArrowNorthEast,\n\t\t\tpositions.southWestArrowNorthMiddleWest,\n\t\t\tpositions.southWestArrowNorthMiddleEast\n\t\t] : [\n\t\t\tpositions.southEastArrowNorth,\n\t\t\tpositions.southEastArrowNorthEast,\n\t\t\tpositions.southEastArrowNorthWest,\n\t\t\tpositions.southEastArrowNorthMiddleEast,\n\t\t\tpositions.southEastArrowNorthMiddleWest,\n\t\t\tpositions.northEastArrowSouth,\n\t\t\tpositions.northEastArrowSouthEast,\n\t\t\tpositions.northEastArrowSouthWest,\n\t\t\tpositions.northEastArrowSouthMiddleEast,\n\t\t\tpositions.northEastArrowSouthMiddleWest\n\t\t];\n\t}\n}\n\n// Returns \"true\" when the selection has multiple ranges and each range contains a selectable element\n// and nothing else.\n//\n// @private\n// @param {module:engine/model/selection~Selection} selection\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction selectionContainsOnlyMultipleSelectables( selection, schema ) {\n\t// It doesn't contain multiple objects if there is only one range.\n\tif ( selection.rangeCount === 1 ) {\n\t\treturn false;\n\t}\n\n\treturn [ ...selection.getRanges() ].every( range => {\n\t\tconst element = range.getContainedElement();\n\n\t\treturn element && schema.isSelectable( element );\n\t} );\n}\n\n/**\n * Contextual toolbar configuration. Used by the {@link module:ui/toolbar/balloon/balloontoolbar~BalloonToolbar}\n * feature.\n *\n * ## Configuring toolbar items\n *\n *\t\tconst config = {\n *\t\t\tballoonToolbar: [ 'bold', 'italic', 'undo', 'redo' ]\n *\t\t};\n *\n * You can also use `'|'` to create a separator between groups of items:\n *\n *\t\tconst config = {\n *\t\t\tballoonToolbar: [ 'bold', 'italic', | 'undo', 'redo' ]\n *\t\t};\n *\n * Read also about configuring the main editor toolbar in {@link module:core/editor/editorconfig~EditorConfig#toolbar}.\n *\n * ## Configuring items grouping\n *\n * You can prevent automatic items grouping by setting the `shouldNotGroupWhenFull` option:\n *\n *\t\tconst config = {\n *\t\t\tballoonToolbar: {\n *\t\t\t\titems: [ 'bold', 'italic', 'undo', 'redo' ],\n *\t\t\t\tshouldNotGroupWhenFull: true\n *\t\t\t},\n *\t\t};\n *\n * @member {Array.<String>|Object} module:core/editor/editorconfig~EditorConfig#balloonToolbar\n */\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./blocktoolbar.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./blocktoolbar.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/block/blockbuttonview\n */\n\nimport ButtonView from '../../button/buttonview';\nimport toUnit from '@ckeditor/ckeditor5-utils/src/dom/tounit';\nimport '../../../theme/components/toolbar/blocktoolbar.css';\n\nconst toPx = toUnit( 'px' );\n\n/**\n * The block button view class.\n *\n * This view represents a button attached next to block element where the selection is anchored.\n *\n * See {@link module:ui/toolbar/block/blocktoolbar~BlockToolbar}.\n *\n * @extends {module:ui/button/buttonview~ButtonView}\n */\nexport default class BlockButtonView extends ButtonView {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t// Hide button on init.\n\t\tthis.isVisible = false;\n\n\t\tthis.isToggleable = true;\n\n\t\t/**\n\t\t * Top offset.\n\t\t *\n\t\t * @member {Number} #top\n\t\t */\n\t\tthis.set( 'top', 0 );\n\n\t\t/**\n\t\t * Left offset.\n\t\t *\n\t\t * @member {Number} #left\n\t\t */\n\t\tthis.set( 'left', 0 );\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-block-toolbar-button',\n\t\t\t\tstyle: {\n\t\t\t\t\ttop: bind.to( 'top', val => toPx( val ) ),\n\t\t\t\t\tleft: bind.to( 'left', val => toPx( val ) )\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/block/blocktoolbar\n */\n\n/* global window */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport pilcrow from '@ckeditor/ckeditor5-core/theme/icons/pilcrow.svg';\n\nimport BlockButtonView from './blockbuttonview';\nimport BalloonPanelView from '../../panel/balloon/balloonpanelview';\nimport ToolbarView from '../toolbarview';\n\nimport clickOutsideHandler from '../../bindings/clickoutsidehandler';\n\nimport { getOptimalPosition } from '@ckeditor/ckeditor5-utils/src/dom/position';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport normalizeToolbarConfig from '../normalizetoolbarconfig';\n\nimport ResizeObserver from '@ckeditor/ckeditor5-utils/src/dom/resizeobserver';\n\nimport toUnit from '@ckeditor/ckeditor5-utils/src/dom/tounit';\n\nconst toPx = toUnit( 'px' );\n\n/**\n * The block toolbar plugin.\n *\n * This plugin provides a button positioned next to the block of content where the selection is anchored.\n * Upon clicking the button, a dropdown providing access to editor features shows up, as configured in\n * {@link module:core/editor/editorconfig~EditorConfig#blockToolbar}.\n *\n * By default, the button is displayed next to all elements marked in {@link module:engine/model/schema~Schema}\n * as `$block` for which the toolbar provides at least one option.\n *\n * By default, the button is attached so its right boundary is touching the\n * {@link module:engine/view/editableelement~EditableElement}:\n *\n * \t\t __ |\n * \t\t|  ||  This is a block of content that the\n * \t\t ¯¯ |  button is attached to. This is a\n * \t\t    |  block of content that the button is\n * \t\t    |  attached to.\n *\n * The position of the button can be adjusted using the CSS `transform` property:\n *\n * \t\t.ck-block-toolbar-button {\n * \t\t\ttransform: translateX( -10px );\n * \t\t}\n *\n * \t\t __   |\n * \t\t|  |  |  This is a block of content that the\n * \t\t ¯¯   |  button is attached to. This is a\n * \t\t      |  block of content that the button is\n * \t\t      |  attached to.\n *\n * **Note**: If you plan to run the editor in a right–to–left (RTL) language, keep in mind the button\n * will be attached to the **right** boundary of the editable area. In that case, make sure the\n * CSS position adjustment works properly by adding the following styles:\n *\n * \t\t.ck[dir=\"rtl\"] .ck-block-toolbar-button {\n * \t\t\ttransform: translateX( 10px );\n * \t\t}\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BlockToolbar extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BlockToolbar';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A cached and normalized `config.blockToolbar` object.\n\t\t *\n\t\t * @type {module:core/editor/editorconfig~EditorConfig#blockToolbar}\n\t\t * @private\n\t\t */\n\t\tthis._blockToolbarConfig = normalizeToolbarConfig( this.editor.config.get( 'blockToolbar' ) );\n\n\t\t/**\n\t\t * The toolbar view.\n\t\t *\n\t\t * @type {module:ui/toolbar/toolbarview~ToolbarView}\n\t\t */\n\t\tthis.toolbarView = this._createToolbarView();\n\n\t\t/**\n\t\t * The balloon panel view, containing the {@link #toolbarView}.\n\t\t *\n\t\t * @type {module:ui/panel/balloon/balloonpanelview~BalloonPanelView}\n\t\t */\n\t\tthis.panelView = this._createPanelView();\n\n\t\t/**\n\t\t * The button view that opens the {@link #toolbarView}.\n\t\t *\n\t\t * @type {module:ui/toolbar/block/blockbuttonview~BlockButtonView}\n\t\t */\n\t\tthis.buttonView = this._createButtonView();\n\n\t\t/**\n\t\t * An instance of the resize observer that allows to respond to changes in editable's geometry\n\t\t * so the toolbar can stay within its boundaries (and group toolbar items that do not fit).\n\t\t *\n\t\t * **Note**: Used only when `shouldNotGroupWhenFull` was **not** set in the\n\t\t * {@link module:core/editor/editorconfig~EditorConfig#blockToolbar configuration}.\n\t\t *\n\t\t * **Note:** Created in {@link #afterInit}.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:utils/dom/resizeobserver~ResizeObserver}\n\t\t */\n\t\tthis._resizeObserver = null;\n\n\t\t// Close the #panelView upon clicking outside of the plugin UI.\n\t\tclickOutsideHandler( {\n\t\t\temitter: this.panelView,\n\t\t\tcontextElements: [ this.panelView.element, this.buttonView.element ],\n\t\t\tactivator: () => this.panelView.isVisible,\n\t\t\tcallback: () => this._hidePanel()\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Hides panel on a direct selection change.\n\t\tthis.listenTo( editor.model.document.selection, 'change:range', ( evt, data ) => {\n\t\t\tif ( data.directChange ) {\n\t\t\t\tthis._hidePanel();\n\t\t\t}\n\t\t} );\n\n\t\tthis.listenTo( editor.ui, 'update', () => this._updateButton() );\n\t\t// `low` priority is used because of https://github.com/ckeditor/ckeditor5-core/issues/133.\n\t\tthis.listenTo( editor, 'change:isReadOnly', () => this._updateButton(), { priority: 'low' } );\n\t\tthis.listenTo( editor.ui.focusTracker, 'change:isFocused', () => this._updateButton() );\n\n\t\t// Reposition button on resize.\n\t\tthis.listenTo( this.buttonView, 'change:isVisible', ( evt, name, isVisible ) => {\n\t\t\tif ( isVisible ) {\n\t\t\t\t// Keep correct position of button and panel on window#resize.\n\t\t\t\tthis.buttonView.listenTo( window, 'resize', () => this._updateButton() );\n\t\t\t} else {\n\t\t\t\t// Stop repositioning button when is hidden.\n\t\t\t\tthis.buttonView.stopListening( window, 'resize' );\n\n\t\t\t\t// Hide the panel when the button disappears.\n\t\t\t\tthis._hidePanel();\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Fills the toolbar with its items based on the configuration.\n\t *\n\t * **Note:** This needs to be done after all plugins are ready.\n\t *\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst factory = this.editor.ui.componentFactory;\n\t\tconst config = this._blockToolbarConfig;\n\n\t\tthis.toolbarView.fillFromConfig( config, factory );\n\n\t\t// Hide panel before executing each button in the panel.\n\t\tfor ( const item of this.toolbarView.items ) {\n\t\t\titem.on( 'execute', () => this._hidePanel( true ), { priority: 'high' } );\n\t\t}\n\n\t\tif ( !config.shouldNotGroupWhenFull ) {\n\t\t\tthis.listenTo( this.editor, 'ready', () => {\n\t\t\t\tconst editableElement = this.editor.ui.view.editable.element;\n\n\t\t\t\t// Set #toolbarView's max-width just after the initialization and update it on the editable resize.\n\t\t\t\tthis._resizeObserver = new ResizeObserver( editableElement, () => {\n\t\t\t\t\tthis.toolbarView.maxWidth = this._getToolbarMaxWidth();\n\t\t\t\t} );\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed (see ckeditor5#1341).\n\t\tthis.panelView.destroy();\n\t\tthis.buttonView.destroy();\n\t\tthis.toolbarView.destroy();\n\n\t\tif ( this._resizeObserver ) {\n\t\t\tthis._resizeObserver.destroy();\n\t\t}\n\t}\n\n\t/**\n\t * Creates the {@link #toolbarView}.\n\t *\n\t * @private\n\t * @returns {module:ui/toolbar/toolbarview~ToolbarView}\n\t */\n\t_createToolbarView() {\n\t\tconst shouldGroupWhenFull = !this._blockToolbarConfig.shouldNotGroupWhenFull;\n\t\tconst toolbarView = new ToolbarView( this.editor.locale, {\n\t\t\tshouldGroupWhenFull,\n\t\t\tisFloating: true\n\t\t} );\n\n\t\t// When toolbar lost focus then panel should hide.\n\t\ttoolbarView.focusTracker.on( 'change:isFocused', ( evt, name, is ) => {\n\t\t\tif ( !is ) {\n\t\t\t\tthis._hidePanel();\n\t\t\t}\n\t\t} );\n\n\t\treturn toolbarView;\n\t}\n\n\t/**\n\t * Creates the {@link #panelView}.\n\t *\n\t * @private\n\t * @returns {module:ui/panel/balloon/balloonpanelview~BalloonPanelView}\n\t */\n\t_createPanelView() {\n\t\tconst editor = this.editor;\n\t\tconst panelView = new BalloonPanelView( editor.locale );\n\n\t\tpanelView.content.add( this.toolbarView );\n\t\tpanelView.class = 'ck-toolbar-container';\n\t\teditor.ui.view.body.add( panelView );\n\t\teditor.ui.focusTracker.add( panelView.element );\n\n\t\t// Close #panelView on `Esc` press.\n\t\tthis.toolbarView.keystrokes.set( 'Esc', ( evt, cancel ) => {\n\t\t\tthis._hidePanel( true );\n\t\t\tcancel();\n\t\t} );\n\n\t\treturn panelView;\n\t}\n\n\t/**\n\t * Creates the {@link #buttonView}.\n\t *\n\t * @private\n\t * @returns {module:ui/toolbar/block/blockbuttonview~BlockButtonView}\n\t */\n\t_createButtonView() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst buttonView = new BlockButtonView( editor.locale );\n\n\t\tbuttonView.set( {\n\t\t\tlabel: t( 'Edit block' ),\n\t\t\ticon: pilcrow,\n\t\t\twithText: false\n\t\t} );\n\n\t\t// Bind the panelView observable properties to the buttonView.\n\t\tbuttonView.bind( 'isOn' ).to( this.panelView, 'isVisible' );\n\t\tbuttonView.bind( 'tooltip' ).to( this.panelView, 'isVisible', isVisible => !isVisible );\n\n\t\t// Toggle the panelView upon buttonView#execute.\n\t\tthis.listenTo( buttonView, 'execute', () => {\n\t\t\tif ( !this.panelView.isVisible ) {\n\t\t\t\tthis._showPanel();\n\t\t\t} else {\n\t\t\t\tthis._hidePanel( true );\n\t\t\t}\n\t\t} );\n\n\t\teditor.ui.view.body.add( buttonView );\n\t\teditor.ui.focusTracker.add( buttonView.element );\n\n\t\treturn buttonView;\n\t}\n\n\t/**\n\t * Shows or hides the button.\n\t * When all the conditions for displaying the button are matched, it shows the button. Hides otherwise.\n\t *\n\t * @private\n\t */\n\t_updateButton() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst view = editor.editing.view;\n\n\t\t// Hides the button when the editor is not focused.\n\t\tif ( !editor.ui.focusTracker.isFocused ) {\n\t\t\tthis._hideButton();\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Hides the button when the editor switches to the read-only mode.\n\t\tif ( editor.isReadOnly ) {\n\t\t\tthis._hideButton();\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Get the first selected block, button will be attached to this element.\n\t\tconst modelTarget = Array.from( model.document.selection.getSelectedBlocks() )[ 0 ];\n\n\t\t// Hides the button when there is no enabled item in toolbar for the current block element.\n\t\tif ( !modelTarget || Array.from( this.toolbarView.items ).every( item => !item.isEnabled ) ) {\n\t\t\tthis._hideButton();\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Get DOM target element.\n\t\tconst domTarget = view.domConverter.mapViewToDom( editor.editing.mapper.toViewElement( modelTarget ) );\n\n\t\t// Show block button.\n\t\tthis.buttonView.isVisible = true;\n\n\t\t// Attach block button to target DOM element.\n\t\tthis._attachButtonToElement( domTarget );\n\n\t\t// When panel is opened then refresh it position to be properly aligned with block button.\n\t\tif ( this.panelView.isVisible ) {\n\t\t\tthis._showPanel();\n\t\t}\n\t}\n\n\t/**\n\t * Hides the button.\n\t *\n\t * @private\n\t */\n\t_hideButton() {\n\t\tthis.buttonView.isVisible = false;\n\t}\n\n\t/**\n\t * Shows the {@link #toolbarView} attached to the {@link #buttonView}.\n\t * If the toolbar is already visible, then it simply repositions it.\n\t *\n\t * @private\n\t */\n\t_showPanel() {\n\t\tconst wasVisible = this.panelView.isVisible;\n\n\t\t// So here's the thing: If there was no initial panelView#show() or these two were in different order, the toolbar\n\t\t// positioning will break in RTL editors. Weird, right? What you show know is that the toolbar\n\t\t// grouping works thanks to:\n\t\t//\n\t\t// * the ResizeObserver, which kicks in as soon as the toolbar shows up in DOM (becomes visible again).\n\t\t// * the observable ToolbarView#maxWidth, which triggers re-grouping when changed.\n\t\t//\n\t\t// Here are the possible scenarios:\n\t\t//\n\t\t// 1. (WRONG ❌) If the #maxWidth is set when the toolbar is invisible, it won't affect item grouping (no DOMRects, no grouping).\n\t\t//    Then, when panelView.pin() is called, the position of the toolbar will be calculated for the old\n\t\t//    items grouping state, and when finally ResizeObserver kicks in (hey, the toolbar is visible now, right?)\n\t\t//    it will group/ungroup some items and the length of the toolbar will change. But since in RTL the toolbar\n\t\t//    is attached on the right side and the positioning uses CSS \"left\", it will result in the toolbar shifting\n\t\t//    to the left and being displayed in the wrong place.\n\t\t// 2. (WRONG ❌) If the panelView.pin() is called first and #maxWidth set next, then basically the story repeats. The balloon\n\t\t//    calculates the position for the old toolbar grouping state, then the toolbar re-groups items and because\n\t\t//    it is positioned using CSS \"left\" it will move.\n\t\t// 3. (RIGHT ✅) We show the panel first (the toolbar does re-grouping but it does not matter), then the #maxWidth\n\t\t//    is set allowing the toolbar to re-group again and finally panelView.pin() does the positioning when the\n\t\t//    items grouping state is stable and final.\n\t\t//\n\t\t// https://github.com/ckeditor/ckeditor5/issues/6449, https://github.com/ckeditor/ckeditor5/issues/6575\n\t\tthis.panelView.show();\n\t\tthis.toolbarView.maxWidth = this._getToolbarMaxWidth();\n\n\t\tthis.panelView.pin( {\n\t\t\ttarget: this.buttonView.element,\n\t\t\tlimiter: this.editor.ui.getEditableElement()\n\t\t} );\n\n\t\tif ( !wasVisible ) {\n\t\t\tthis.toolbarView.items.get( 0 ).focus();\n\t\t}\n\t}\n\n\t/**\n\t * Hides the {@link #toolbarView}.\n\t *\n\t * @private\n\t * @param {Boolean} [focusEditable=false] When `true`, the editable will be focused after hiding the panel.\n\t */\n\t_hidePanel( focusEditable ) {\n\t\tthis.panelView.isVisible = false;\n\n\t\tif ( focusEditable ) {\n\t\t\tthis.editor.editing.view.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Attaches the {@link #buttonView} to the target block of content.\n\t *\n\t * @protected\n\t * @param {HTMLElement} targetElement Target element.\n\t */\n\t_attachButtonToElement( targetElement ) {\n\t\tconst contentStyles = window.getComputedStyle( targetElement );\n\n\t\tconst editableRect = new Rect( this.editor.ui.getEditableElement() );\n\t\tconst contentPaddingTop = parseInt( contentStyles.paddingTop, 10 );\n\t\t// When line height is not an integer then thread it as \"normal\".\n\t\t// MDN says that 'normal' == ~1.2 on desktop browsers.\n\t\tconst contentLineHeight = parseInt( contentStyles.lineHeight, 10 ) || parseInt( contentStyles.fontSize, 10 ) * 1.2;\n\n\t\tconst position = getOptimalPosition( {\n\t\t\telement: this.buttonView.element,\n\t\t\ttarget: targetElement,\n\t\t\tpositions: [\n\t\t\t\t( contentRect, buttonRect ) => {\n\t\t\t\t\tlet left;\n\n\t\t\t\t\tif ( this.editor.locale.uiLanguageDirection === 'ltr' ) {\n\t\t\t\t\t\tleft = editableRect.left - buttonRect.width;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tleft = editableRect.right;\n\t\t\t\t\t}\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\ttop: contentRect.top + contentPaddingTop + ( contentLineHeight - buttonRect.height ) / 2,\n\t\t\t\t\t\tleft\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\tthis.buttonView.top = position.top;\n\t\tthis.buttonView.left = position.left;\n\t}\n\n\t/**\n\t * Gets the {@link #toolbarView} max-width, based on\n\t * editable width plus distance between farthest edge of the {@link #buttonView} and the editable.\n\t *\n\t * @private\n\t * @returns {String} maxWidth A maximum width that toolbar can have, in pixels.\n\t */\n\t_getToolbarMaxWidth() {\n\t\tconst editableElement = this.editor.ui.view.editable.element;\n\t\tconst editableRect = new Rect( editableElement );\n\t\tconst buttonRect = new Rect( this.buttonView.element );\n\t\tconst isRTL = this.editor.locale.uiLanguageDirection === 'rtl';\n\t\tconst offset = isRTL ? ( buttonRect.left - editableRect.right ) + buttonRect.width : editableRect.left - buttonRect.left;\n\n\t\treturn toPx( editableRect.width + offset );\n\t}\n}\n\n/**\n * The block toolbar configuration. Used by the {@link module:ui/toolbar/block/blocktoolbar~BlockToolbar}\n * feature.\n *\n *\t\tconst config = {\n *\t\t\tblockToolbar: [ 'paragraph', 'heading1', 'heading2', 'bulletedList', 'numberedList' ]\n *\t\t};\n *\n * You can also use `'|'` to create a separator between groups of items:\n *\n *\t\tconst config = {\n *\t\t\tblockToolbar: [ 'paragraph', 'heading1', 'heading2', '|', 'bulletedList', 'numberedList' ]\n *\t\t};\n *\n * ## Configuring items grouping\n *\n * You can prevent automatic items grouping by setting the `shouldNotGroupWhenFull` option:\n *\n *\t\tconst config = {\n *\t\t\tblockToolbar: {\n *\t\t\t\titems: [ 'paragraph', 'heading1', 'heading2', '|', 'bulletedList', 'numberedList' ],\n *\t\t\t\tshouldNotGroupWhenFull: true\n *\t\t\t},\n *\t\t};\n *\n * Read more about configuring the main editor toolbar in {@link module:core/editor/editorconfig~EditorConfig#toolbar}.\n *\n * @member {Array.<String>|Object} module:core/editor/editorconfig~EditorConfig#blockToolbar\n */\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./placeholder.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./placeholder.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/placeholder\n */\n\nimport '../../theme/placeholder.css';\n\n// Each document stores information about its placeholder elements and check functions.\nconst documentPlaceholders = new WeakMap();\n\n/**\n * A helper that enables a placeholder on the provided view element (also updates its visibility).\n * The placeholder is a CSS pseudo–element (with a text content) attached to the element.\n *\n * To change the placeholder text, simply call this method again with new options.\n *\n * To disable the placeholder, use {@link module:engine/view/placeholder~disablePlaceholder `disablePlaceholder()`} helper.\n *\n * @param {Object} [options] Configuration options of the placeholder.\n * @param {module:engine/view/view~View} options.view Editing view instance.\n * @param {module:engine/view/element~Element} options.element Element that will gain a placeholder.\n * See `options.isDirectHost` to learn more.\n * @param {String} options.text Placeholder text.\n * @param {Boolean} [options.isDirectHost=true] If set `false`, the placeholder will not be enabled directly\n * in the passed `element` but in one of its children (selected automatically, i.e. a first empty child element).\n * Useful when attaching placeholders to elements that can host other elements (not just text), for instance,\n * editable root elements.\n * @param {Boolean} [options.keepOnFocus=false] If set `true`, the placeholder stay visible when the host element is focused.\n */\nexport function enablePlaceholder( options ) {\n\tconst { view, element, text, isDirectHost = true, keepOnFocus = false } = options;\n\tconst doc = view.document;\n\n\t// Use a single a single post fixer per—document to update all placeholders.\n\tif ( !documentPlaceholders.has( doc ) ) {\n\t\tdocumentPlaceholders.set( doc, new Map() );\n\n\t\t// If a post-fixer callback makes a change, it should return `true` so other post–fixers\n\t\t// can re–evaluate the document again.\n\t\tdoc.registerPostFixer( writer => updateDocumentPlaceholders( doc, writer ) );\n\t}\n\n\t// Store information about the element placeholder under its document.\n\tdocumentPlaceholders.get( doc ).set( element, {\n\t\ttext,\n\t\tisDirectHost,\n\t\tkeepOnFocus,\n\t\thostElement: isDirectHost ? element : null\n\t} );\n\n\t// Update the placeholders right away.\n\tview.change( writer => updateDocumentPlaceholders( doc, writer ) );\n}\n\n/**\n * Disables the placeholder functionality from a given element.\n *\n * See {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`} to learn more.\n *\n * @param {module:engine/view/view~View} view\n * @param {module:engine/view/element~Element} element\n */\nexport function disablePlaceholder( view, element ) {\n\tconst doc = element.document;\n\n\tview.change( writer => {\n\t\tif ( !documentPlaceholders.has( doc ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst placeholders = documentPlaceholders.get( doc );\n\t\tconst config = placeholders.get( element );\n\n\t\twriter.removeAttribute( 'data-placeholder', config.hostElement );\n\t\thidePlaceholder( writer, config.hostElement );\n\n\t\tplaceholders.delete( element );\n\t} );\n}\n\n/**\n * Shows a placeholder in the provided element by changing related attributes and CSS classes.\n *\n * **Note**: This helper will not update the placeholder visibility nor manage the\n * it in any way in the future. What it does is a one–time state change of an element. Use\n * {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`} and\n * {@link module:engine/view/placeholder~disablePlaceholder `disablePlaceholder()`} for full\n * placeholder functionality.\n *\n * **Note**: This helper will blindly show the placeholder directly in the root editable element if\n * one is passed, which could result in a visual clash if the editable element has some children\n * (for instance, an empty paragraph). Use {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`}\n * in that case or make sure the correct element is passed to the helper.\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {module:engine/view/element~Element} element\n * @returns {Boolean} `true`, if any changes were made to the `element`.\n */\nexport function showPlaceholder( writer, element ) {\n\tif ( !element.hasClass( 'ck-placeholder' ) ) {\n\t\twriter.addClass( 'ck-placeholder', element );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n/**\n * Hides a placeholder in the element by changing related attributes and CSS classes.\n *\n * **Note**: This helper will not update the placeholder visibility nor manage the\n * it in any way in the future. What it does is a one–time state change of an element. Use\n * {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`} and\n * {@link module:engine/view/placeholder~disablePlaceholder `disablePlaceholder()`} for full\n * placeholder functionality.\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {module:engine/view/element~Element} element\n * @returns {Boolean} `true`, if any changes were made to the `element`.\n */\nexport function hidePlaceholder( writer, element ) {\n\tif ( element.hasClass( 'ck-placeholder' ) ) {\n\t\twriter.removeClass( 'ck-placeholder', element );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n/**\n * Checks if a placeholder should be displayed in the element.\n *\n * **Note**: This helper will blindly check the possibility of showing a placeholder directly in the\n * root editable element if one is passed, which may not be the expected result. If an element can\n * host other elements (not just text), most likely one of its children should be checked instead\n * because it will be the final host for the placeholder. Use\n * {@link module:engine/view/placeholder~enablePlaceholder `enablePlaceholder()`} in that case or make\n * sure the correct element is passed to the helper.\n *\n * @param {module:engine/view/element~Element} element Element that holds the placeholder.\n * @param {Boolean} keepOnFocus Focusing the element will keep the placeholder visible.\n * @returns {Boolean}\n */\nexport function needsPlaceholder( element, keepOnFocus ) {\n\tif ( !element.isAttached() ) {\n\t\treturn false;\n\t}\n\n\t// Anything but uiElement(s) counts as content.\n\tconst hasContent = Array.from( element.getChildren() )\n\t\t.some( element => !element.is( 'uiElement' ) );\n\n\tif ( hasContent ) {\n\t\treturn false;\n\t}\n\n\t// Skip the focus check and make the placeholder visible already regardless of document focus state.\n\tif ( keepOnFocus ) {\n\t\treturn true;\n\t}\n\n\tconst doc = element.document;\n\n\t// If the document is blurred.\n\tif ( !doc.isFocused ) {\n\t\treturn true;\n\t}\n\n\tconst viewSelection = doc.selection;\n\tconst selectionAnchor = viewSelection.anchor;\n\n\t// If document is focused and the element is empty but the selection is not anchored inside it.\n\treturn selectionAnchor && selectionAnchor.parent !== element;\n}\n\n// Updates all placeholders associated with a document in a post–fixer callback.\n//\n// @private\n// @param { module:engine/view/document~Document} doc\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @returns {Boolean} True if any changes were made to the view document.\nfunction updateDocumentPlaceholders( doc, writer ) {\n\tconst placeholders = documentPlaceholders.get( doc );\n\tconst directHostElements = [];\n\tlet wasViewModified = false;\n\n\t// First set placeholders on the direct hosts.\n\tfor ( const [ element, config ] of placeholders ) {\n\t\tif ( config.isDirectHost ) {\n\t\t\tdirectHostElements.push( element );\n\n\t\t\tif ( updatePlaceholder( writer, element, config ) ) {\n\t\t\t\twasViewModified = true;\n\t\t\t}\n\t\t}\n\t}\n\n\t// Then set placeholders on the indirect hosts but only on those that does not already have an direct host placeholder.\n\tfor ( const [ element, config ] of placeholders ) {\n\t\tif ( config.isDirectHost ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst hostElement = getChildPlaceholderHostSubstitute( element );\n\n\t\t// When not a direct host, it could happen that there is no child element\n\t\t// capable of displaying a placeholder.\n\t\tif ( !hostElement ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\t// Don't override placeholder if the host element already has some direct placeholder.\n\t\tif ( directHostElements.includes( hostElement ) ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\t// Update the host element (used for setting and removing the placeholder).\n\t\tconfig.hostElement = hostElement;\n\n\t\tif ( updatePlaceholder( writer, element, config ) ) {\n\t\t\twasViewModified = true;\n\t\t}\n\t}\n\n\treturn wasViewModified;\n}\n\n// Updates a single placeholder in a post–fixer callback.\n//\n// @private\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {module:engine/view/element~Element} element\n// @param {Object} config Configuration of the placeholder\n// @param {String} config.text\n// @param {Boolean} config.isDirectHost\n// @returns {Boolean} True if any changes were made to the view document.\nfunction updatePlaceholder( writer, element, config ) {\n\tconst { text, isDirectHost, hostElement } = config;\n\n\tlet wasViewModified = false;\n\n\t// This may be necessary when updating the placeholder text to something else.\n\tif ( hostElement.getAttribute( 'data-placeholder' ) !== text ) {\n\t\twriter.setAttribute( 'data-placeholder', text, hostElement );\n\t\twasViewModified = true;\n\t}\n\n\t// If the host element is not a direct host then placeholder is needed only when there is only one element.\n\tconst isOnlyChild = isDirectHost || element.childCount == 1;\n\n\tif ( isOnlyChild && needsPlaceholder( hostElement, config.keepOnFocus ) ) {\n\t\tif ( showPlaceholder( writer, hostElement ) ) {\n\t\t\twasViewModified = true;\n\t\t}\n\t} else if ( hidePlaceholder( writer, hostElement ) ) {\n\t\twasViewModified = true;\n\t}\n\n\treturn wasViewModified;\n}\n\n// Gets a child element capable of displaying a placeholder if a parent element can host more\n// than just text (for instance, when it is a root editable element). The child element\n// can then be used in other placeholder helpers as a substitute of its parent.\n//\n// @private\n// @param {module:engine/view/element~Element} parent\n// @returns {module:engine/view/element~Element|null}\nfunction getChildPlaceholderHostSubstitute( parent ) {\n\tif ( parent.childCount ) {\n\t\tconst firstChild = parent.getChild( 0 );\n\n\t\tif ( firstChild.is( 'element' ) && !firstChild.is( 'uiElement' ) ) {\n\t\t\treturn firstChild;\n\t\t}\n\t}\n\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport InsertOperation from './insertoperation';\nimport AttributeOperation from './attributeoperation';\nimport RenameOperation from './renameoperation';\nimport MarkerOperation from './markeroperation';\nimport MoveOperation from './moveoperation';\nimport RootAttributeOperation from './rootattributeoperation';\nimport MergeOperation from './mergeoperation';\nimport SplitOperation from './splitoperation';\nimport NoOperation from './nooperation';\nimport Range from '../range';\nimport Position from '../position';\n\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\n\nconst transformations = new Map();\n\n/**\n * @module engine/model/operation/transform\n */\n\n/**\n * Sets a transformation function to be be used to transform instances of class `OperationA` by instances of class `OperationB`.\n *\n * The `transformationFunction` is passed three parameters:\n *\n * * `a` - operation to be transformed, an instance of `OperationA`,\n * * `b` - operation to be transformed by, an instance of `OperationB`,\n * * {@link module:engine/model/operation/transform~TransformationContext `context`} - object with additional information about\n * transformation context.\n *\n * The `transformationFunction` should return transformation result, which is an array with one or multiple\n * {@link module:engine/model/operation/operation~Operation operation} instances.\n *\n * @protected\n * @param {Function} OperationA\n * @param {Function} OperationB\n * @param {Function} transformationFunction Function to use for transforming.\n */\nfunction setTransformation( OperationA, OperationB, transformationFunction ) {\n\tlet aGroup = transformations.get( OperationA );\n\n\tif ( !aGroup ) {\n\t\taGroup = new Map();\n\t\ttransformations.set( OperationA, aGroup );\n\t}\n\n\taGroup.set( OperationB, transformationFunction );\n}\n\n/**\n * Returns a previously set transformation function for transforming an instance of `OperationA` by an instance of `OperationB`.\n *\n * If no transformation was set for given pair of operations, {@link module:engine/model/operation/transform~noUpdateTransformation}\n * is returned. This means that if no transformation was set, the `OperationA` instance will not change when transformed\n * by the `OperationB` instance.\n *\n * @private\n * @param {Function} OperationA\n * @param {Function} OperationB\n * @returns {Function} Function set to transform an instance of `OperationA` by an instance of `OperationB`.\n */\nfunction getTransformation( OperationA, OperationB ) {\n\tconst aGroup = transformations.get( OperationA );\n\n\tif ( aGroup && aGroup.has( OperationB ) ) {\n\t\treturn aGroup.get( OperationB );\n\t}\n\n\treturn noUpdateTransformation;\n}\n\n/**\n * A transformation function that only clones operation to transform, without changing it.\n *\n * @private\n * @param {module:engine/model/operation/operation~Operation} a Operation to transform.\n * @returns {Array.<module:engine/model/operation/operation~Operation>}\n */\nfunction noUpdateTransformation( a ) {\n\treturn [ a ];\n}\n\n/**\n * Transforms operation `a` by operation `b`.\n *\n * @param {module:engine/model/operation/operation~Operation} a Operation to be transformed.\n * @param {module:engine/model/operation/operation~Operation} b Operation to transform by.\n * @param {module:engine/model/operation/transform~TransformationContext} context Transformation context for this transformation.\n * @returns {Array.<module:engine/model/operation/operation~Operation>} Transformation result.\n */\nexport function transform( a, b, context = {} ) {\n\tconst transformationFunction = getTransformation( a.constructor, b.constructor );\n\n\t/* eslint-disable no-useless-catch */\n\ttry {\n\t\ta = a.clone();\n\n\t\treturn transformationFunction( a, b, context );\n\t} catch ( e ) {\n\t\t// @if CK_DEBUG // console.warn( 'Error during operation transformation!', e.message );\n\t\t// @if CK_DEBUG // console.warn( 'Transformed operation', a );\n\t\t// @if CK_DEBUG // console.warn( 'Operation transformed by', b );\n\t\t// @if CK_DEBUG // console.warn( 'context.aIsStrong', context.aIsStrong );\n\t\t// @if CK_DEBUG // console.warn( 'context.aWasUndone', context.aWasUndone );\n\t\t// @if CK_DEBUG // console.warn( 'context.bWasUndone', context.bWasUndone );\n\t\t// @if CK_DEBUG // console.warn( 'context.abRelation', context.abRelation );\n\t\t// @if CK_DEBUG // console.warn( 'context.baRelation', context.baRelation );\n\n\t\tthrow e;\n\t}\n\t/* eslint-enable no-useless-catch */\n}\n\n/**\n * Performs a transformation of two sets of operations - `operationsA` and `operationsB`. The transformation is two-way -\n * both transformed `operationsA` and transformed `operationsB` are returned.\n *\n * Note, that the first operation in each set should base on the same document state (\n * {@link module:engine/model/document~Document#version document version}).\n *\n * It is assumed that `operationsA` are \"more important\" during conflict resolution between two operations.\n *\n * New copies of both passed arrays and operations inside them are returned. Passed arguments are not altered.\n *\n * Base versions of the transformed operations sets are updated accordingly. For example, assume that base versions are `4`\n * and there are `3` operations in `operationsA` and `5` operations in `operationsB`. Then:\n *\n * * transformed `operationsA` will start from base version `9` (`4` base version + `5` operations B),\n * * transformed `operationsB` will start from base version `7` (`4` base version + `3` operations A).\n *\n * If no operation was broken into two during transformation, then both sets will end up with an operation that bases on version `11`:\n *\n * * transformed `operationsA` start from `9` and there are `3` of them, so the last will have `baseVersion` equal to `11`,\n * * transformed `operationsB` start from `7` and there are `5` of them, so the last will have `baseVersion` equal to `11`.\n *\n * @param {Array.<module:engine/model/operation/operation~Operation>} operationsA\n * @param {Array.<module:engine/model/operation/operation~Operation>} operationsB\n * @param {Object} options Additional transformation options.\n * @param {module:engine/model/document~Document|null} options.document Document which the operations change.\n * @param {Boolean} [options.useRelations=false] Whether during transformation relations should be used (used during undo for\n * better conflict resolution).\n * @param {Boolean} [options.padWithNoOps=false] Whether additional {@link module:engine/model/operation/nooperation~NoOperation}s\n * should be added to the transformation results to force the same last base version for both transformed sets (in case\n * if some operations got broken into multiple operations during transformation).\n * @returns {Object} Transformation result.\n * @returns {Array.<module:engine/model/operation/operation~Operation>} return.operationsA Transformed `operationsA`.\n * @returns {Array.<module:engine/model/operation/operation~Operation>} return.operationsB Transformed `operationsB`.\n * @returns {Map} return.originalOperations A map that links transformed operations to original operations. The keys are the transformed\n * operations and the values are the original operations from the input (`operationsA` and `operationsB`).\n */\nexport function transformSets( operationsA, operationsB, options ) {\n\t// Create new arrays so the originally passed arguments are not changed.\n\t// No need to clone operations, they are cloned as they are transformed.\n\toperationsA = operationsA.slice();\n\toperationsB = operationsB.slice();\n\n\tconst contextFactory = new ContextFactory( options.document, options.useRelations, options.forceWeakRemove );\n\tcontextFactory.setOriginalOperations( operationsA );\n\tcontextFactory.setOriginalOperations( operationsB );\n\n\tconst originalOperations = contextFactory.originalOperations;\n\n\t// If one of sets is empty there is simply nothing to transform, so return sets as they are.\n\tif ( operationsA.length == 0 || operationsB.length == 0 ) {\n\t\treturn { operationsA, operationsB, originalOperations };\n\t}\n\t//\n\t// Following is a description of transformation process:\n\t//\n\t// There are `operationsA` and `operationsB` to be transformed, both by both.\n\t//\n\t// So, suppose we have sets of two operations each: `operationsA` = `[ a1, a2 ]`, `operationsB` = `[ b1, b2 ]`.\n\t//\n\t// Remember, that we can only transform operations that base on the same context. We assert that `a1` and `b1` base on\n\t// the same context and we transform them. Then, we get `a1'` and `b1'`. `a2` bases on a context with `a1` -- `a2`\n\t// is an operation that followed `a1`. Similarly, `b2` bases on a context with `b1`.\n\t//\n\t// However, since `a1'` is a result of transformation by `b1`, `a1'` now also has a context with `b1`. This means that\n\t// we can safely transform `a1'` by `b2`. As we finish transforming `a1`, we also transformed all `operationsB`.\n\t// All `operationsB` also have context including `a1`. Now, we can properly transform `a2` by those operations.\n\t//\n\t// The transformation process can be visualized on a transformation diagram (\"diamond diagram\"):\n\t//\n\t//          [the initial state]\n\t//         [common for a1 and b1]\n\t//\n\t//                   *\n\t//                  / \\\n\t//                 /   \\\n\t//               b1     a1\n\t//               /       \\\n\t//              /         \\\n\t//             *           *\n\t//            / \\         / \\\n\t//           /   \\       /   \\\n\t//         b2    a1'   b1'    a2\n\t//         /       \\   /       \\\n\t//        /         \\ /         \\\n\t//       *           *           *\n\t//        \\         / \\         /\n\t//         \\       /   \\       /\n\t//        a1''   b2'   a2'   b1''\n\t//           \\   /       \\   /\n\t//            \\ /         \\ /\n\t//             *           *\n\t//              \\         /\n\t//               \\       /\n\t//              a2''   b2''\n\t//                 \\   /\n\t//                  \\ /\n\t//                   *\n\t//\n\t//           [the final state]\n\t//\n\t// The final state can be reached from the initial state by applying `a1`, `a2`, `b1''` and `b2''`, as well as by\n\t// applying `b1`, `b2`, `a1''`, `a2''`. Note how the operations get to a proper common state before each pair is\n\t// transformed.\n\t//\n\t// Another thing to consider is that an operation during transformation can be broken into multiple operations.\n\t// Suppose that `a1` * `b1` = `[ a11', a12' ]` (instead of `a1'` that we considered previously).\n\t//\n\t// In that case, we leave `a12'` for later and we continue transforming `a11'` until it is transformed by all `operationsB`\n\t// (in our case it is just `b2`). At this point, `b1` is transformed by \"whole\" `a1`, while `b2` is only transformed\n\t// by `a11'`. Similarly, `a12'` is only transformed by `b1`. This leads to a conclusion that we need to start transforming `a12'`\n\t// from the moment just after it was broken. So, `a12'` is transformed by `b2`. Now, \"the whole\" `a1` is transformed\n\t// by `operationsB`, while all `operationsB` are transformed by \"the whole\" `a1`. This means that we can continue with\n\t// following `operationsA` (in our case it is just `a2`).\n\t//\n\t// Of course, also `operationsB` can be broken. However, since we focus on transforming operation `a` to the end,\n\t// the only thing to do is to store both pieces of operation `b`, so that the next transformed operation `a` will\n\t// be transformed by both of them.\n\t//\n\t//                       *\n\t//                      / \\\n\t//                     /   \\\n\t//                    /     \\\n\t//                  b1       a1\n\t//                  /         \\\n\t//                 /           \\\n\t//                /             \\\n\t//               *               *\n\t//              / \\             / \\\n\t//             /  a11'         /   \\\n\t//            /     \\         /     \\\n\t//          b2       *      b1'      a2\n\t//          /       / \\     /         \\\n\t//         /       /  a12' /           \\\n\t//        /       /     \\ /             \\\n\t//       *       b2'     *               *\n\t//        \\     /       / \\             /\n\t//       a11'' /     b21'' \\           /\n\t//          \\ /       /     \\         /\n\t//           *       *      a2'     b1''\n\t//            \\     / \\       \\     /\n\t//          a12'' b22''\\       \\   /\n\t//              \\ /     \\       \\ /\n\t//               *      a2''     *\n\t//                \\       \\     /\n\t//                 \\       \\  b21'''\n\t//                  \\       \\ /\n\t//                a2'''      *\n\t//                    \\     /\n\t//                     \\  b22'''\n\t//                      \\ /\n\t//                       *\n\t//\n\t// Note, how `a1` is broken and transformed into `a11'` and `a12'`, while `b2'` got broken and transformed into `b21''` and `b22''`.\n\t//\n\t// Having all that on mind, here is an outline for the transformation process algorithm:\n\t//\n\t// 1. We have `operationsA` and `operationsB` array, which we dynamically update as the transformation process goes.\n\t//\n\t// 2. We take next (or first) operation from `operationsA` and check from which operation `b` we need to start transforming it.\n\t// All original `operationsA` are set to be transformed starting from the first operation `b`.\n\t//\n\t// 3. We take operations from `operationsB`, one by one, starting from the correct one, and transform operation `a`\n\t// by operation `b` (and vice versa). We update `operationsA` and `operationsB` by replacing the original operations\n\t// with the transformation results.\n\t//\n\t// 4. If operation is broken into multiple operations, we save all the new operations in the place of the\n\t// original operation.\n\t//\n\t// 5. Additionally, if operation `a` was broken, for the \"new\" operation, we remember from which operation `b` it should\n\t// be transformed by.\n\t//\n\t// 6. We continue transforming \"current\" operation `a` until it is transformed by all `operationsB`. Then, go to 2.\n\t// unless the last operation `a` was transformed.\n\t//\n\t// The actual implementation of the above algorithm is slightly different, as only one loop (while) is used.\n\t// The difference is that we have \"current\" `a` operation to transform and we store the index of the next `b` operation\n\t// to transform by. Each loop operates on two indexes then: index pointing to currently processed `a` operation and\n\t// index pointing to next `b` operation. Each loop is just one `a * b` + `b * a` transformation. After each loop\n\t// operation `b` index is updated. If all `b` operations were visited for the current `a` operation, we change\n\t// current `a` operation index to the next one.\n\t//\n\n\t// For each operation `a`, keeps information what is the index in `operationsB` from which the transformation should start.\n\tconst nextTransformIndex = new WeakMap();\n\n\t// For all the original `operationsA`, set that they should be transformed starting from the first of `operationsB`.\n\tfor ( const op of operationsA ) {\n\t\tnextTransformIndex.set( op, 0 );\n\t}\n\n\t// Additional data that is used for some postprocessing after the main transformation process is done.\n\tconst data = {\n\t\tnextBaseVersionA: operationsA[ operationsA.length - 1 ].baseVersion + 1,\n\t\tnextBaseVersionB: operationsB[ operationsB.length - 1 ].baseVersion + 1,\n\t\toriginalOperationsACount: operationsA.length,\n\t\toriginalOperationsBCount: operationsB.length\n\t};\n\n\t// Index of currently transformed operation `a`.\n\tlet i = 0;\n\n\t// While not all `operationsA` are transformed...\n\twhile ( i < operationsA.length ) {\n\t\t// Get \"current\" operation `a`.\n\t\tconst opA = operationsA[ i ];\n\n\t\t// For the \"current\" operation `a`, get the index of the next operation `b` to transform by.\n\t\tconst indexB = nextTransformIndex.get( opA );\n\n\t\t// If operation `a` was already transformed by every operation `b`, change \"current\" operation `a` to the next one.\n\t\tif ( indexB == operationsB.length ) {\n\t\t\ti++;\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst opB = operationsB[ indexB ];\n\n\t\t// Transform `a` by `b` and `b` by `a`.\n\t\tconst newOpsA = transform( opA, opB, contextFactory.getContext( opA, opB, true ) );\n\t\tconst newOpsB = transform( opB, opA, contextFactory.getContext( opB, opA, false ) );\n\t\t// As a result we get one or more `newOpsA` and one or more `newOpsB` operations.\n\n\t\t// Update contextual information about operations.\n\t\tcontextFactory.updateRelation( opA, opB );\n\n\t\tcontextFactory.setOriginalOperations( newOpsA, opA );\n\t\tcontextFactory.setOriginalOperations( newOpsB, opB );\n\n\t\t// For new `a` operations, update their index of the next operation `b` to transform them by.\n\t\t//\n\t\t// This is needed even if there was only one result (`a` was not broken) because that information is used\n\t\t// at the beginning of this loop every time.\n\t\tfor ( const newOpA of newOpsA ) {\n\t\t\t// Acknowledge, that operation `b` also might be broken into multiple operations.\n\t\t\t//\n\t\t\t// This is why we raise `indexB` not just by 1. If `newOpsB` are multiple operations, they will be\n\t\t\t// spliced in the place of `opB`. So we need to change `transformBy` accordingly, so that an operation won't\n\t\t\t// be transformed by the same operation (part of it) again.\n\t\t\tnextTransformIndex.set( newOpA, indexB + newOpsB.length );\n\t\t}\n\n\t\t// Update `operationsA` and `operationsB` with the transformed versions.\n\t\toperationsA.splice( i, 1, ...newOpsA );\n\t\toperationsB.splice( indexB, 1, ...newOpsB );\n\t}\n\n\tif ( options.padWithNoOps ) {\n\t\t// If no-operations padding is enabled, count how many extra `a` and `b` operations were generated.\n\t\tconst brokenOperationsACount = operationsA.length - data.originalOperationsACount;\n\t\tconst brokenOperationsBCount = operationsB.length - data.originalOperationsBCount;\n\n\t\t// Then, if that number is not the same, pad `operationsA` or `operationsB` with correct number of no-ops so\n\t\t// that the base versions are equalled.\n\t\t//\n\t\t// Note that only one array will be updated, as only one of those subtractions can be greater than zero.\n\t\tpadWithNoOps( operationsA, brokenOperationsBCount - brokenOperationsACount );\n\t\tpadWithNoOps( operationsB, brokenOperationsACount - brokenOperationsBCount );\n\t}\n\n\t// Finally, update base versions of transformed operations.\n\tupdateBaseVersions( operationsA, data.nextBaseVersionB );\n\tupdateBaseVersions( operationsB, data.nextBaseVersionA );\n\n\treturn { operationsA, operationsB, originalOperations };\n}\n\n// Gathers additional data about operations processed during transformation. Can be used to obtain contextual information\n// about two operations that are about to be transformed. This contextual information can be used for better conflict resolution.\nclass ContextFactory {\n\t// Creates `ContextFactory` instance.\n\t//\n\t// @param {module:engine/model/document~Document} document Document which the operations change.\n\t// @param {Boolean} useRelations Whether during transformation relations should be used (used during undo for\n\t// better conflict resolution).\n\t// @param {Boolean} [forceWeakRemove=false] If set to `false`, remove operation will be always stronger than move operation,\n\t// so the removed nodes won't end up back in the document root. When set to `true`, context data will be used.\n\tconstructor( document, useRelations, forceWeakRemove = false ) {\n\t\t// For each operation that is created during transformation process, we keep a reference to the original operation\n\t\t// which it comes from. The original operation works as a kind of \"identifier\". Every contextual information\n\t\t// gathered during transformation that we want to save for given operation, is actually saved for the original operation.\n\t\t// This way no matter if operation `a` is cloned, then transformed, even breaks, we still have access to the previously\n\t\t// gathered data through original operation reference.\n\t\tthis.originalOperations = new Map();\n\n\t\t// `model.History` instance which information about undone operations will be taken from.\n\t\tthis._history = document.history;\n\n\t\t// Whether additional context should be used.\n\t\tthis._useRelations = useRelations;\n\n\t\tthis._forceWeakRemove = !!forceWeakRemove;\n\n\t\t// Relations is a double-map structure (maps in map) where for two operations we store how those operations were related\n\t\t// to each other. Those relations are evaluated during transformation process. For every transformated pair of operations\n\t\t// we keep relations between them.\n\t\tthis._relations = new Map();\n\t}\n\n\t// Sets \"original operation\" for given operations.\n\t//\n\t// During transformation process, operations are cloned, then changed, then processed again, sometimes broken into two\n\t// or multiple operations. When gathering additional data it is important that all operations can be somehow linked\n\t// so a cloned and transformed \"version\" still kept track of the data assigned earlier to it.\n\t//\n\t// The original operation object will be used as such an universal linking id. Throughout the transformation process\n\t// all cloned operations will refer to \"the original operation\" when storing and reading additional data.\n\t//\n\t// If `takeFrom` is not set, each operation from `operations` array will be assigned itself as \"the original operation\".\n\t// This should be used as an initialization step.\n\t//\n\t// If `takeFrom` is set, each operation from `operations` will be assigned the same original operation as assigned\n\t// for `takeFrom` operation. This should be used to update original operations. It should be used in a way that\n\t// `operations` are the result of `takeFrom` transformation to ensure proper \"original operation propagation\".\n\t//\n\t// @param {Array.<module:engine/model/operation/operation~Operation>} operations\n\t// @param {module:engine/model/operation/operation~Operation|null} [takeFrom=null]\n\tsetOriginalOperations( operations, takeFrom = null ) {\n\t\tconst originalOperation = takeFrom ? this.originalOperations.get( takeFrom ) : null;\n\n\t\tfor ( const operation of operations ) {\n\t\t\tthis.originalOperations.set( operation, originalOperation || operation );\n\t\t}\n\t}\n\n\t// Saves a relation between operations `opA` and `opB`.\n\t//\n\t// Relations are then later used to help solve conflicts when operations are transformed.\n\t//\n\t// @param {module:engine/model/operation/operation~Operation} opA\n\t// @param {module:engine/model/operation/operation~Operation} opB\n\tupdateRelation( opA, opB ) {\n\t\t// The use of relations is described in a bigger detail in transformation functions.\n\t\t//\n\t\t// In brief, this function, for specified pairs of operation types, checks how positions defined in those operations relate.\n\t\t// Then those relations are saved. For example, for two move operations, it is saved if one of those operations target\n\t\t// position is before the other operation source position. This kind of information gives contextual information when\n\t\t// transformation is used during undo. Similar checks are done for other pairs of operations.\n\t\t//\n\t\tswitch ( opA.constructor ) {\n\t\t\tcase MoveOperation: {\n\t\t\t\tswitch ( opB.constructor ) {\n\t\t\t\t\tcase MergeOperation: {\n\t\t\t\t\t\tif ( opA.targetPosition.isEqual( opB.sourcePosition ) || opB.movedRange.containsPosition( opA.targetPosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'insertAtSource' );\n\t\t\t\t\t\t} else if ( opA.targetPosition.isEqual( opB.deletionPosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'insertBetween' );\n\t\t\t\t\t\t} else if ( opA.targetPosition.isAfter( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'moveTargetAfter' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tcase MoveOperation: {\n\t\t\t\t\t\tif ( opA.targetPosition.isEqual( opB.sourcePosition ) || opA.targetPosition.isBefore( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'insertBefore' );\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'insertAfter' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tcase SplitOperation: {\n\t\t\t\tswitch ( opB.constructor ) {\n\t\t\t\t\tcase MergeOperation: {\n\t\t\t\t\t\tif ( opA.splitPosition.isBefore( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'splitBefore' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tcase MoveOperation: {\n\t\t\t\t\t\tif ( opA.splitPosition.isEqual( opB.sourcePosition ) || opA.splitPosition.isBefore( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'splitBefore' );\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tconst range = Range._createFromPositionAndShift( opB.sourcePosition, opB.howMany );\n\n\t\t\t\t\t\t\tif ( opA.splitPosition.hasSameParentAs( opB.sourcePosition ) && range.containsPosition( opA.splitPosition ) ) {\n\t\t\t\t\t\t\t\tconst howMany = range.end.offset - opA.splitPosition.offset;\n\t\t\t\t\t\t\t\tconst offset = opA.splitPosition.offset - range.start.offset;\n\n\t\t\t\t\t\t\t\tthis._setRelation( opA, opB, { howMany, offset } );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tcase MergeOperation: {\n\t\t\t\tswitch ( opB.constructor ) {\n\t\t\t\t\tcase MergeOperation: {\n\t\t\t\t\t\tif ( !opA.targetPosition.isEqual( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'mergeTargetNotMoved' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( opA.sourcePosition.isEqual( opB.targetPosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'mergeSourceNotMoved' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( opA.sourcePosition.isEqual( opB.sourcePosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'mergeSameElement' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tcase SplitOperation: {\n\t\t\t\t\t\tif ( opA.sourcePosition.isEqual( opB.splitPosition ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, 'splitAtSource' );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tcase MarkerOperation: {\n\t\t\t\tconst markerRange = opA.newRange;\n\n\t\t\t\tif ( !markerRange ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tswitch ( opB.constructor ) {\n\t\t\t\t\tcase MoveOperation: {\n\t\t\t\t\t\tconst movedRange = Range._createFromPositionAndShift( opB.sourcePosition, opB.howMany );\n\n\t\t\t\t\t\tconst affectedLeft = movedRange.containsPosition( markerRange.start ) ||\n\t\t\t\t\t\t\tmovedRange.start.isEqual( markerRange.start );\n\n\t\t\t\t\t\tconst affectedRight = movedRange.containsPosition( markerRange.end ) ||\n\t\t\t\t\t\t\tmovedRange.end.isEqual( markerRange.end );\n\n\t\t\t\t\t\tif ( ( affectedLeft || affectedRight ) && !movedRange.containsRange( markerRange ) ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, {\n\t\t\t\t\t\t\t\tside: affectedLeft ? 'left' : 'right',\n\t\t\t\t\t\t\t\tpath: affectedLeft ? markerRange.start.path.slice() : markerRange.end.path.slice()\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\n\t\t\t\t\tcase MergeOperation: {\n\t\t\t\t\t\tconst wasInLeftElement = markerRange.start.isEqual( opB.targetPosition );\n\t\t\t\t\t\tconst wasStartBeforeMergedElement = markerRange.start.isEqual( opB.deletionPosition );\n\t\t\t\t\t\tconst wasEndBeforeMergedElement = markerRange.end.isEqual( opB.deletionPosition );\n\t\t\t\t\t\tconst wasInRightElement = markerRange.end.isEqual( opB.sourcePosition );\n\n\t\t\t\t\t\tif ( wasInLeftElement || wasStartBeforeMergedElement || wasEndBeforeMergedElement || wasInRightElement ) {\n\t\t\t\t\t\t\tthis._setRelation( opA, opB, {\n\t\t\t\t\t\t\t\twasInLeftElement,\n\t\t\t\t\t\t\t\twasStartBeforeMergedElement,\n\t\t\t\t\t\t\t\twasEndBeforeMergedElement,\n\t\t\t\t\t\t\t\twasInRightElement\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\t// Evaluates and returns contextual information about two given operations `opA` and `opB` which are about to be transformed.\n\t//\n\t// @param {module:engine/model/operation/operation~Operation} opA\n\t// @param {module:engine/model/operation/operation~Operation} opB\n\t// @returns {module:engine/model/operation/transform~TransformationContext}\n\tgetContext( opA, opB, aIsStrong ) {\n\t\treturn {\n\t\t\taIsStrong,\n\t\t\taWasUndone: this._wasUndone( opA ),\n\t\t\tbWasUndone: this._wasUndone( opB ),\n\t\t\tabRelation: this._useRelations ? this._getRelation( opA, opB ) : null,\n\t\t\tbaRelation: this._useRelations ? this._getRelation( opB, opA ) : null,\n\t\t\tforceWeakRemove: this._forceWeakRemove\n\t\t};\n\t}\n\n\t// Returns whether given operation `op` has already been undone.\n\t//\n\t// Information whether an operation was undone gives more context when making a decision when two operations are in conflict.\n\t//\n\t// @param {module:engine/model/operation/operation~Operation} op\n\t// @returns {Boolean}\n\t_wasUndone( op ) {\n\t\t// For `op`, get its original operation. After all, if `op` is a clone (or even transformed clone) of another\n\t\t// operation, literally `op` couldn't be undone. It was just generated. If anything, it was the operation it origins\n\t\t// from which was undone. So get that original operation.\n\t\tconst originalOp = this.originalOperations.get( op );\n\n\t\t// And check with the document if the original operation was undone.\n\t\treturn originalOp.wasUndone || this._history.isUndoneOperation( originalOp );\n\t}\n\n\t// Returns a relation between `opA` and an operation which is undone by `opB`. This can be `String` value if a relation\n\t// was set earlier or `null` if there was no relation between those operations.\n\t//\n\t// This is a little tricky to understand, so let's compare it to `ContextFactory#_wasUndone`.\n\t//\n\t// When `wasUndone( opB )` is used, we check if the `opB` has already been undone. It is obvious, that the\n\t// undoing operation must happen after the undone operation. So, essentially, we have `opB`, we take document history,\n\t// we look forward in the future and ask if in that future `opB` was undone.\n\t//\n\t// Relations is a backward process to `wasUndone()`.\n\t//\n\t// Long story short - using relations is asking what happened in the past. Looking back. This time we have an undoing\n\t// operation `opB` which has undone some other operation. When there is a transformation `opA` x `opB` and there is\n\t// a conflict to solve and `opB` is an undoing operation, we can look back in the history and see what was a relation\n\t// between `opA` and the operation which `opB` undone. Basing on that relation from the past, we can now make\n\t// a better decision when resolving a conflict between two operations, because we know more about the context of\n\t// those two operations.\n\t//\n\t// This is why this function does not return a relation directly between `opA` and `opB` because we need to look\n\t// back to search for a meaningful contextual information.\n\t//\n\t// @param {module:engine/model/operation/operation~Operation} opA\n\t// @param {module:engine/model/operation/operation~Operation} opB\n\t// @returns {String|null}\n\t_getRelation( opA, opB ) {\n\t\t// Get the original operation. Similarly as in `wasUndone()` it is used as an universal identifier for stored data.\n\t\tconst origB = this.originalOperations.get( opB );\n\t\tconst undoneB = this._history.getUndoneOperation( origB );\n\n\t\t// If `opB` is not undoing any operation, there is no relation.\n\t\tif ( !undoneB ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst origA = this.originalOperations.get( opA );\n\t\tconst relationsA = this._relations.get( origA );\n\n\t\t// Get all relations for `opA`, and check if there is a relation with `opB`-undone-counterpart. If so, return it.\n\t\tif ( relationsA ) {\n\t\t\treturn relationsA.get( undoneB ) || null;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t// Helper function for `ContextFactory#updateRelations`.\n\t//\n\t// @private\n\t// @param {module:engine/model/operation/operation~Operation} opA\n\t// @param {module:engine/model/operation/operation~Operation} opB\n\t// @param {String} relation\n\t_setRelation( opA, opB, relation ) {\n\t\t// As always, setting is for original operations, not the clones/transformed operations.\n\t\tconst origA = this.originalOperations.get( opA );\n\t\tconst origB = this.originalOperations.get( opB );\n\n\t\tlet relationsA = this._relations.get( origA );\n\n\t\tif ( !relationsA ) {\n\t\t\trelationsA = new Map();\n\t\t\tthis._relations.set( origA, relationsA );\n\t\t}\n\n\t\trelationsA.set( origB, relation );\n\t}\n}\n\n/**\n * Holds additional contextual information about a transformed pair of operations (`a` and `b`). Those information\n * can be used for better conflict resolving.\n *\n * @typedef {Object} module:engine/model/operation/transform~TransformationContext\n *\n * @property {Boolean} aIsStrong Whether `a` is strong operation in this transformation, or weak.\n * @property {Boolean} aWasUndone Whether `a` operation was undone.\n * @property {Boolean} bWasUndone Whether `b` operation was undone.\n * @property {String|null} abRelation The relation between `a` operation and an operation undone by `b` operation.\n * @property {String|null} baRelation The relation between `b` operation and an operation undone by `a` operation.\n */\n\n/**\n * An utility function that updates {@link module:engine/model/operation/operation~Operation#baseVersion base versions}\n * of passed operations.\n *\n * The function simply sets `baseVersion` as a base version of the first passed operation and then increments it for\n * each following operation in `operations`.\n *\n * @private\n * @param {Array.<module:engine/model/operation/operation~Operation>} operations Operations to update.\n * @param {Number} baseVersion Base version to set for the first operation in `operations`.\n */\nfunction updateBaseVersions( operations, baseVersion ) {\n\tfor ( const operation of operations ) {\n\t\toperation.baseVersion = baseVersion++;\n\t}\n}\n\n/**\n * Adds `howMany` instances of {@link module:engine/model/operation/nooperation~NoOperation} to `operations` set.\n *\n * @private\n * @param {Array.<module:engine/model/operation/operation~Operation>} operations\n * @param {Number} howMany\n */\nfunction padWithNoOps( operations, howMany ) {\n\tfor ( let i = 0; i < howMany; i++ ) {\n\t\toperations.push( new NoOperation( 0 ) );\n\t}\n}\n\n// -----------------------\n\nsetTransformation( AttributeOperation, AttributeOperation, ( a, b, context ) => {\n\t// If operations in conflict, check if their ranges intersect and manage them properly.\n\t//\n\t// Operations can be in conflict only if:\n\t//\n\t// * their key is the same (they change the same attribute), and\n\t// * they are in the same parent (operations for ranges [ 1 ] - [ 3 ] and [ 2, 0 ] - [ 2, 5 ] change different\n\t// elements and can't be in conflict).\n\tif ( a.key === b.key && a.range.start.hasSameParentAs( b.range.start ) ) {\n\t\t// First, we want to apply change to the part of a range that has not been changed by the other operation.\n\t\tconst operations = a.range.getDifference( b.range ).map( range => {\n\t\t\treturn new AttributeOperation( range, a.key, a.oldValue, a.newValue, 0 );\n\t\t} );\n\n\t\t// Then we take care of the common part of ranges.\n\t\tconst common = a.range.getIntersection( b.range );\n\n\t\tif ( common ) {\n\t\t\t// If this operation is more important, we also want to apply change to the part of the\n\t\t\t// original range that has already been changed by the other operation. Since that range\n\t\t\t// got changed we also have to update `oldValue`.\n\t\t\tif ( context.aIsStrong ) {\n\t\t\t\toperations.push( new AttributeOperation( common, b.key, b.newValue, a.newValue, 0 ) );\n\t\t\t}\n\t\t}\n\n\t\tif ( operations.length == 0 ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\n\t\treturn operations;\n\t} else {\n\t\t// If operations don't conflict, simply return an array containing just a clone of this operation.\n\t\treturn [ a ];\n\t}\n} );\n\nsetTransformation( AttributeOperation, InsertOperation, ( a, b ) => {\n\t// Case 1:\n\t//\n\t// The attribute operation range includes the position where nodes were inserted.\n\t// There are two possible scenarios: the inserted nodes were text and they should receive attributes or\n\t// the inserted nodes were elements and they should not receive attributes.\n\t//\n\tif ( a.range.start.hasSameParentAs( b.position ) && a.range.containsPosition( b.position ) ) {\n\t\t// If new nodes should not receive attributes, two separated ranges will be returned.\n\t\t// Otherwise, one expanded range will be returned.\n\t\tconst range = a.range._getTransformedByInsertion( b.position, b.howMany, !b.shouldReceiveAttributes );\n\t\tconst result = range.map( r => {\n\t\t\treturn new AttributeOperation( r, a.key, a.oldValue, a.newValue, a.baseVersion );\n\t\t} );\n\n\t\tif ( b.shouldReceiveAttributes ) {\n\t\t\t// `AttributeOperation#range` includes some newly inserted text.\n\t\t\t// The operation should also change the attribute of that text. An example:\n\t\t\t//\n\t\t\t// Bold should be applied on the following range:\n\t\t\t// <p>Fo[zb]ar</p>\n\t\t\t//\n\t\t\t// In meantime, new text is typed:\n\t\t\t// <p>Fozxxbar</p>\n\t\t\t//\n\t\t\t// Bold should be applied also on the new text:\n\t\t\t// <p>Fo[zxxb]ar</p>\n\t\t\t// <p>Fo<$text bold=\"true\">zxxb</$text>ar</p>\n\t\t\t//\n\t\t\t// There is a special case to consider here to consider.\n\t\t\t//\n\t\t\t// Consider setting an attribute with multiple possible values, for example `highlight`. The inserted text might\n\t\t\t// have already an attribute value applied and the `oldValue` property of the attribute operation might be wrong:\n\t\t\t//\n\t\t\t// Attribute `highlight=\"yellow\"` should be applied on the following range:\n\t\t\t// <p>Fo[zb]ar<p>\n\t\t\t//\n\t\t\t// In meantime, character `x` with `highlight=\"red\"` is typed:\n\t\t\t// <p>Fo[z<$text highlight=\"red\">x</$text>b]ar</p>\n\t\t\t//\n\t\t\t// In this case we cannot simply apply operation changing the attribute value from `null` to `\"yellow\"` for the whole range\n\t\t\t// because that would lead to an exception (`oldValue` is incorrect for `x`).\n\t\t\t//\n\t\t\t// We also cannot break the original range as this would mess up a scenario when there are multiple following\n\t\t\t// insert operations, because then only the first inserted character is included in those ranges:\n\t\t\t// <p>Fo[z][x][b]ar</p>   -->   <p>Fo[z][x]x[b]ar</p>   -->   <p>Fo[z][x]xx[b]ar</p>\n\t\t\t//\n\t\t\t// So, the attribute range needs be expanded, no matter what attributes are set on the inserted nodes:\n\t\t\t//\n\t\t\t// <p>Fo[z<$text highlight=\"red\">x</$text>b]ar</p>      <--- Change from `null` to `yellow`, throwing an exception.\n\t\t\t//\n\t\t\t// But before that operation would be applied, we will add an additional attribute operation that will change\n\t\t\t// attributes on the inserted nodes in a way which would make the original operation correct:\n\t\t\t//\n\t\t\t// <p>Fo[z{<$text highlight=\"red\">}x</$text>b]ar</p>    <--- Change range `{}` from `red` to `null`.\n\t\t\t// <p>Fo[zxb]ar</p>                                     <--- Now change from `null` to `yellow` is completely fine.\n\t\t\t//\n\n\t\t\t// Generate complementary attribute operation. Be sure to add it before the original operation.\n\t\t\tconst op = _getComplementaryAttributeOperations( b, a.key, a.oldValue );\n\n\t\t\tif ( op ) {\n\t\t\t\tresult.unshift( op );\n\t\t\t}\n\t\t}\n\n\t\t// If nodes should not receive new attribute, we are done here.\n\t\treturn result;\n\t}\n\n\t// If insert operation is not expanding the attribute operation range, simply transform the range.\n\ta.range = a.range._getTransformedByInsertion( b.position, b.howMany, false )[ 0 ];\n\n\treturn [ a ];\n} );\n\n/**\n * Helper function for `AttributeOperation` x `InsertOperation` (and reverse) transformation.\n *\n * For given `insertOperation` it checks the inserted node if it has an attribute `key` set to a value different\n * than `newValue`. If so, it generates an `AttributeOperation` which changes the value of `key` attribute to `newValue`.\n *\n * @private\n * @param {module:engine/model/operation/insertoperation~InsertOperation} insertOperation\n * @param {String} key\n * @param {*} newValue\n * @returns {module:engine/model/operation/attributeoperation~AttributeOperation|null}\n */\nfunction _getComplementaryAttributeOperations( insertOperation, key, newValue ) {\n\tconst nodes = insertOperation.nodes;\n\n\t// At the beginning we store the attribute value from the first node.\n\tconst insertValue = nodes.getNode( 0 ).getAttribute( key );\n\n\tif ( insertValue == newValue ) {\n\t\treturn null;\n\t}\n\n\tconst range = new Range( insertOperation.position, insertOperation.position.getShiftedBy( insertOperation.howMany ) );\n\n\treturn new AttributeOperation( range, key, insertValue, newValue, 0 );\n}\n\nsetTransformation( AttributeOperation, MergeOperation, ( a, b ) => {\n\tconst ranges = [];\n\n\t// Case 1:\n\t//\n\t// Attribute change on the merged element. In this case, the merged element was moved to the graveyard.\n\t// An additional attribute operation that will change the (re)moved element needs to be generated.\n\t//\n\tif ( a.range.start.hasSameParentAs( b.deletionPosition ) ) {\n\t\tif ( a.range.containsPosition( b.deletionPosition ) || a.range.start.isEqual( b.deletionPosition ) ) {\n\t\t\tranges.push( Range._createFromPositionAndShift( b.graveyardPosition, 1 ) );\n\t\t}\n\t}\n\n\tconst range = a.range._getTransformedByMergeOperation( b );\n\n\t// Do not add empty (collapsed) ranges to the result. `range` may be collapsed if it contained only the merged element.\n\tif ( !range.isCollapsed ) {\n\t\tranges.push( range );\n\t}\n\n\t// Create `AttributeOperation`s out of the ranges.\n\treturn ranges.map( range => {\n\t\treturn new AttributeOperation( range, a.key, a.oldValue, a.newValue, a.baseVersion );\n\t} );\n} );\n\nsetTransformation( AttributeOperation, MoveOperation, ( a, b ) => {\n\tconst ranges = _breakRangeByMoveOperation( a.range, b );\n\n\t// Create `AttributeOperation`s out of the ranges.\n\treturn ranges.map( range => new AttributeOperation( range, a.key, a.oldValue, a.newValue, a.baseVersion ) );\n} );\n\n// Helper function for `AttributeOperation` x `MoveOperation` transformation.\n//\n// Takes the passed `range` and transforms it by move operation `moveOp` in a specific way. Only top-level nodes of `range`\n// are considered to be in the range. If move operation moves nodes deep from inside of the range, those nodes won't\n// be included in the result. In other words, top-level nodes of the ranges from the result are exactly the same as\n// top-level nodes of the original `range`.\n//\n// This is important for `AttributeOperation` because, for its range, it changes only the top-level nodes. So we need to\n// track only how those nodes have been affected by `MoveOperation`.\n//\n// @private\n// @param {module:engine/model/range~Range} range\n// @param {module:engine/model/operation/moveoperation~MoveOperation} moveOp\n// @returns {Array.<module:engine/model/range~Range>}\nfunction _breakRangeByMoveOperation( range, moveOp ) {\n\tconst moveRange = Range._createFromPositionAndShift( moveOp.sourcePosition, moveOp.howMany );\n\n\t// We are transforming `range` (original range) by `moveRange` (range moved by move operation). As usual when it comes to\n\t// transforming a ranges, we may have a common part of the ranges and we may have a difference part (zero to two ranges).\n\tlet common = null;\n\tlet difference = [];\n\n\t// Let's compare the ranges.\n\tif ( moveRange.containsRange( range, true ) ) {\n\t\t// If the whole original range is moved, treat it whole as a common part. There's also no difference part.\n\t\tcommon = range;\n\t} else if ( range.start.hasSameParentAs( moveRange.start ) ) {\n\t\t// If the ranges are \"on the same level\" (in the same parent) then move operation may move exactly those nodes\n\t\t// that are changed by the attribute operation. In this case we get common part and difference part in the usual way.\n\t\tdifference = range.getDifference( moveRange );\n\t\tcommon = range.getIntersection( moveRange );\n\t} else {\n\t\t// In any other situation we assume that original range is different than move range, that is that move operation\n\t\t// moves other nodes that attribute operation change. Even if the moved range is deep inside in the original range.\n\t\t//\n\t\t// Note that this is different than in `.getIntersection` (we would get a common part in that case) and different\n\t\t// than `.getDifference` (we would get two ranges).\n\t\tdifference = [ range ];\n\t}\n\n\tconst result = [];\n\n\t// The default behaviour of `_getTransformedByMove` might get wrong results for difference part, though, so\n\t// we do it by hand.\n\tfor ( let diff of difference ) {\n\t\t// First, transform the range by removing moved nodes. Since this is a difference, this is safe, `null` won't be returned\n\t\t// as the range is different than the moved range.\n\t\tdiff = diff._getTransformedByDeletion( moveOp.sourcePosition, moveOp.howMany );\n\n\t\t// Transform also `targetPosition`.\n\t\tconst targetPosition = moveOp.getMovedRangeStart();\n\n\t\t// Spread the range only if moved nodes are inserted only between the top-level nodes of the `diff` range.\n\t\tconst spread = diff.start.hasSameParentAs( targetPosition );\n\n\t\t// Transform by insertion of moved nodes.\n\t\tdiff = diff._getTransformedByInsertion( targetPosition, moveOp.howMany, spread );\n\n\t\tresult.push( ...diff );\n\t}\n\n\t// Common part can be simply transformed by the move operation. This is because move operation will not target to\n\t// that common part (the operation would have to target inside its own moved range).\n\tif ( common ) {\n\t\tresult.push(\n\t\t\tcommon._getTransformedByMove( moveOp.sourcePosition, moveOp.targetPosition, moveOp.howMany, false )[ 0 ]\n\t\t);\n\t}\n\n\treturn result;\n}\n\nsetTransformation( AttributeOperation, SplitOperation, ( a, b ) => {\n\t// Case 1:\n\t//\n\t// Split node is the last node in `AttributeOperation#range`.\n\t// `AttributeOperation#range` needs to be expanded to include the new (split) node.\n\t//\n\t// Attribute `type` to be changed to `numbered` but the `listItem` is split.\n\t// <listItem type=\"bulleted\">foobar</listItem>\n\t//\n\t// After split:\n\t// <listItem type=\"bulleted\">foo</listItem><listItem type=\"bulleted\">bar</listItem>\n\t//\n\t// After attribute change:\n\t// <listItem type=\"numbered\">foo</listItem><listItem type=\"numbered\">foo</listItem>\n\t//\n\tif ( a.range.end.isEqual( b.insertionPosition ) ) {\n\t\tif ( !b.graveyardPosition ) {\n\t\t\ta.range.end.offset++;\n\t\t}\n\n\t\treturn [ a ];\n\t}\n\n\t// Case 2:\n\t//\n\t// Split position is inside `AttributeOperation#range`, at the same level, so the nodes to change are\n\t// not going to make a flat range.\n\t//\n\t// Content with range-to-change and split position:\n\t// <p>Fo[zb^a]r</p>\n\t//\n\t// After split:\n\t// <p>Fozb</p><p>ar</p>\n\t//\n\t// Make two separate ranges containing all nodes to change:\n\t// <p>Fo[zb]</p><p>[a]r</p>\n\t//\n\tif ( a.range.start.hasSameParentAs( b.splitPosition ) && a.range.containsPosition( b.splitPosition ) ) {\n\t\tconst secondPart = a.clone();\n\n\t\tsecondPart.range = new Range(\n\t\t\tb.moveTargetPosition.clone(),\n\t\t\ta.range.end._getCombined( b.splitPosition, b.moveTargetPosition )\n\t\t);\n\n\t\ta.range.end = b.splitPosition.clone();\n\t\ta.range.end.stickiness = 'toPrevious';\n\n\t\treturn [ a, secondPart ];\n\t}\n\n\t// The default case.\n\t//\n\ta.range = a.range._getTransformedBySplitOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( InsertOperation, AttributeOperation, ( a, b ) => {\n\tconst result = [ a ];\n\n\t// Case 1:\n\t//\n\t// The attribute operation range includes the position where nodes were inserted.\n\t// There are two possible scenarios: the inserted nodes were text and they should receive attributes or\n\t// the inserted nodes were elements and they should not receive attributes.\n\t//\n\t// This is a mirror scenario to the one described in `AttributeOperation` x `InsertOperation` transformation,\n\t// although this case is a little less complicated. In this case we simply need to change attributes of the\n\t// inserted nodes and that's it.\n\t//\n\tif ( a.shouldReceiveAttributes && a.position.hasSameParentAs( b.range.start ) && b.range.containsPosition( a.position ) ) {\n\t\tconst op = _getComplementaryAttributeOperations( a, b.key, b.newValue );\n\n\t\tif ( op ) {\n\t\t\tresult.push( op );\n\t\t}\n\t}\n\n\t// The default case is: do nothing.\n\t// `AttributeOperation` does not change the model tree structure so `InsertOperation` does not need to be changed.\n\t//\n\treturn result;\n} );\n\nsetTransformation( InsertOperation, InsertOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// Two insert operations insert nodes at the same position. Since they are the same, it needs to be decided\n\t// what will be the order of inserted nodes. However, there is no additional information to help in that\n\t// decision. Also, when `b` will be transformed by `a`, the same order must be maintained.\n\t//\n\t// To achieve that, we will check if the operation is strong.\n\t// If it is, it won't get transformed. If it is not, it will be moved.\n\t//\n\tif ( a.position.isEqual( b.position ) && context.aIsStrong ) {\n\t\treturn [ a ];\n\t}\n\n\t// The default case.\n\t//\n\ta.position = a.position._getTransformedByInsertOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( InsertOperation, MoveOperation, ( a, b ) => {\n\t// The default case.\n\t//\n\ta.position = a.position._getTransformedByMoveOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( InsertOperation, SplitOperation, ( a, b ) => {\n\t// The default case.\n\t//\n\ta.position = a.position._getTransformedBySplitOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( InsertOperation, MergeOperation, ( a, b ) => {\n\ta.position = a.position._getTransformedByMergeOperation( b );\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( MarkerOperation, InsertOperation, ( a, b ) => {\n\tif ( a.oldRange ) {\n\t\ta.oldRange = a.oldRange._getTransformedByInsertOperation( b )[ 0 ];\n\t}\n\n\tif ( a.newRange ) {\n\t\ta.newRange = a.newRange._getTransformedByInsertOperation( b )[ 0 ];\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MarkerOperation, MarkerOperation, ( a, b, context ) => {\n\tif ( a.name == b.name ) {\n\t\tif ( context.aIsStrong ) {\n\t\t\ta.oldRange = b.newRange ? b.newRange.clone() : null;\n\t\t} else {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MarkerOperation, MergeOperation, ( a, b ) => {\n\tif ( a.oldRange ) {\n\t\ta.oldRange = a.oldRange._getTransformedByMergeOperation( b );\n\t}\n\n\tif ( a.newRange ) {\n\t\ta.newRange = a.newRange._getTransformedByMergeOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MarkerOperation, MoveOperation, ( a, b, context ) => {\n\tif ( a.oldRange ) {\n\t\ta.oldRange = Range._createFromRanges( a.oldRange._getTransformedByMoveOperation( b ) );\n\t}\n\n\tif ( a.newRange ) {\n\t\tif ( context.abRelation ) {\n\t\t\tconst aNewRange = Range._createFromRanges( a.newRange._getTransformedByMoveOperation( b ) );\n\n\t\t\tif ( context.abRelation.side == 'left' && b.targetPosition.isEqual( a.newRange.start ) ) {\n\t\t\t\ta.newRange.start.path = context.abRelation.path;\n\t\t\t\ta.newRange.end = aNewRange.end;\n\n\t\t\t\treturn [ a ];\n\t\t\t} else if ( context.abRelation.side == 'right' && b.targetPosition.isEqual( a.newRange.end ) ) {\n\t\t\t\ta.newRange.start = aNewRange.start;\n\t\t\t\ta.newRange.end.path = context.abRelation.path;\n\n\t\t\t\treturn [ a ];\n\t\t\t}\n\t\t}\n\n\t\ta.newRange = Range._createFromRanges( a.newRange._getTransformedByMoveOperation( b ) );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MarkerOperation, SplitOperation, ( a, b, context ) => {\n\tif ( a.oldRange ) {\n\t\ta.oldRange = a.oldRange._getTransformedBySplitOperation( b );\n\t}\n\n\tif ( a.newRange ) {\n\t\tif ( context.abRelation ) {\n\t\t\tconst aNewRange = a.newRange._getTransformedBySplitOperation( b );\n\n\t\t\tif ( a.newRange.start.isEqual( b.splitPosition ) && context.abRelation.wasStartBeforeMergedElement ) {\n\t\t\t\ta.newRange.start = Position._createAt( b.insertionPosition );\n\t\t\t} else if ( a.newRange.start.isEqual( b.splitPosition ) && !context.abRelation.wasInLeftElement ) {\n\t\t\t\ta.newRange.start = Position._createAt( b.moveTargetPosition );\n\t\t\t}\n\n\t\t\tif ( a.newRange.end.isEqual( b.splitPosition ) && context.abRelation.wasInRightElement ) {\n\t\t\t\ta.newRange.end = Position._createAt( b.moveTargetPosition );\n\t\t\t} else if ( a.newRange.end.isEqual( b.splitPosition ) && context.abRelation.wasEndBeforeMergedElement ) {\n\t\t\t\ta.newRange.end = Position._createAt( b.insertionPosition );\n\t\t\t} else {\n\t\t\t\ta.newRange.end = aNewRange.end;\n\t\t\t}\n\n\t\t\treturn [ a ];\n\t\t}\n\n\t\ta.newRange = a.newRange._getTransformedBySplitOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( MergeOperation, InsertOperation, ( a, b ) => {\n\tif ( a.sourcePosition.hasSameParentAs( b.position ) ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\ta.sourcePosition = a.sourcePosition._getTransformedByInsertOperation( b );\n\ta.targetPosition = a.targetPosition._getTransformedByInsertOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( MergeOperation, MergeOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// Same merge operations.\n\t//\n\t// Both operations have same source and target positions. So the element already got merged and there is\n\t// theoretically nothing to do.\n\t//\n\tif ( a.sourcePosition.isEqual( b.sourcePosition ) && a.targetPosition.isEqual( b.targetPosition ) ) {\n\t\t// There are two ways that we can provide a do-nothing operation.\n\t\t//\n\t\t// First is simply a NoOperation instance. We will use it if `b` operation was not undone.\n\t\t//\n\t\t// Second is a merge operation that has the source operation in the merged element - in the graveyard -\n\t\t// same target position and `howMany` equal to `0`. So it is basically merging an empty element from graveyard\n\t\t// which is almost the same as NoOperation.\n\t\t//\n\t\t// This way the merge operation can be later transformed by split operation\n\t\t// to provide correct undo. This will be used if `b` operation was undone (only then it is correct).\n\t\t//\n\t\tif ( !context.bWasUndone ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t} else {\n\t\t\tconst path = b.graveyardPosition.path.slice();\n\t\t\tpath.push( 0 );\n\n\t\t\ta.sourcePosition = new Position( b.graveyardPosition.root, path );\n\t\t\ta.howMany = 0;\n\n\t\t\treturn [ a ];\n\t\t}\n\t}\n\n\t// Case 2:\n\t//\n\t// Same merge source position but different target position.\n\t//\n\t// This can happen during collaboration. For example, if one client merged a paragraph to the previous paragraph\n\t// and the other person removed that paragraph and merged the same paragraph to something before:\n\t//\n\t// Client A:\n\t// <p>Foo</p><p>Bar</p><p>[]Xyz</p>\n\t// <p>Foo</p><p>BarXyz</p>\n\t//\n\t// Client B:\n\t// <p>Foo</p>[<p>Bar</p>]<p>Xyz</p>\n\t// <p>Foo</p><p>[]Xyz</p>\n\t// <p>FooXyz</p>\n\t//\n\t// In this case we need to decide where finally \"Xyz\" will land:\n\t//\n\t// <p>FooXyz</p>               graveyard: <p>Bar</p>\n\t// <p>Foo</p>                  graveyard: <p>BarXyz</p>\n\t//\n\t// Let's move it in a way so that a merge operation that does not target to graveyard is more important so that\n\t// nodes does not end up in the graveyard. It makes sense. Both for Client A and for Client B \"Xyz\" finally did not\n\t// end up in the graveyard (see above).\n\t//\n\t// If neither or both operations point to graveyard, then let `aIsStrong` decide.\n\t//\n\tif (\n\t\ta.sourcePosition.isEqual( b.sourcePosition ) && !a.targetPosition.isEqual( b.targetPosition ) &&\n\t\t!context.bWasUndone && context.abRelation != 'splitAtSource'\n\t) {\n\t\tconst aToGraveyard = a.targetPosition.root.rootName == '$graveyard';\n\t\tconst bToGraveyard = b.targetPosition.root.rootName == '$graveyard';\n\n\t\t// If `aIsWeak` it means that `a` points to graveyard while `b` doesn't. Don't move nodes then.\n\t\tconst aIsWeak = aToGraveyard && !bToGraveyard;\n\n\t\t// If `bIsWeak` it means that `b` points to graveyard while `a` doesn't. Force moving nodes then.\n\t\tconst bIsWeak = bToGraveyard && !aToGraveyard;\n\n\t\t// Force move if `b` is weak or neither operation is weak but `a` is stronger through `context.aIsStrong`.\n\t\tconst forceMove = bIsWeak || ( !aIsWeak && context.aIsStrong );\n\n\t\tif ( forceMove ) {\n\t\t\tconst sourcePosition = b.targetPosition._getTransformedByMergeOperation( b );\n\t\t\tconst targetPosition = a.targetPosition._getTransformedByMergeOperation( b );\n\n\t\t\treturn [ new MoveOperation( sourcePosition, a.howMany, targetPosition, 0 ) ];\n\t\t} else {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.sourcePosition.hasSameParentAs( b.targetPosition ) ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\ta.sourcePosition = a.sourcePosition._getTransformedByMergeOperation( b );\n\ta.targetPosition = a.targetPosition._getTransformedByMergeOperation( b );\n\n\t// Handle positions in graveyard.\n\t// If graveyard positions are same and `a` operation is strong - do not transform.\n\tif ( !a.graveyardPosition.isEqual( b.graveyardPosition ) || !context.aIsStrong ) {\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByMergeOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MergeOperation, MoveOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// The element to merge got removed.\n\t//\n\t// Merge operation does support merging elements which are not siblings. So it would not be a problem\n\t// from technical point of view. However, if the element was removed, the intention of the user deleting it\n\t// was to have it all deleted, together with its children. From user experience point of view, moving back the\n\t// removed nodes might be unexpected. This means that in this scenario we will block the merging.\n\t//\n\t// The exception of this rule would be if the remove operation was later undone.\n\t//\n\tconst removedRange = Range._createFromPositionAndShift( b.sourcePosition, b.howMany );\n\n\tif ( b.type == 'remove' && !context.bWasUndone && !context.forceWeakRemove ) {\n\t\tif ( a.deletionPosition.hasSameParentAs( b.sourcePosition ) && removedRange.containsPosition( a.sourcePosition ) ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.sourcePosition.hasSameParentAs( b.targetPosition ) ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\tif ( a.sourcePosition.hasSameParentAs( b.sourcePosition ) ) {\n\t\ta.howMany -= b.howMany;\n\t}\n\n\ta.sourcePosition = a.sourcePosition._getTransformedByMoveOperation( b );\n\ta.targetPosition = a.targetPosition._getTransformedByMoveOperation( b );\n\n\t// `MergeOperation` graveyard position is like `MoveOperation` target position. It is a position where element(s) will\n\t// be moved. Like in other similar cases, we need to consider the scenario when those positions are same.\n\t// Here, we will treat `MergeOperation` like it is always strong (see `InsertOperation` x `InsertOperation` for comparison).\n\t// This means that we won't transform graveyard position if it is equal to move operation target position.\n\tif ( !a.graveyardPosition.isEqual( b.targetPosition ) ) {\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByMoveOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MergeOperation, SplitOperation, ( a, b, context ) => {\n\tif ( b.graveyardPosition ) {\n\t\t// If `b` operation defines graveyard position, a node from graveyard will be moved. This means that we need to\n\t\t// transform `a.graveyardPosition` accordingly.\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByDeletion( b.graveyardPosition, 1 );\n\n\t\t// This is a scenario foreseen in `MergeOperation` x `MergeOperation`, with two identical merge operations.\n\t\t//\n\t\t// So, there was `MergeOperation` x `MergeOperation` transformation earlier. Now, `a` is a merge operation which\n\t\t// source position is in graveyard. Interestingly, split operation wants to use the node to be merged by `a`. This\n\t\t// means that `b` is undoing that merge operation from earlier, which caused `a` to be in graveyard.\n\t\t//\n\t\t// If that's the case, at this point, we will only \"fix\" `a.howMany`. It was earlier set to `0` in\n\t\t// `MergeOperation` x `MergeOperation` transformation. Later transformations in this function will change other\n\t\t// properties.\n\t\t//\n\t\tif ( a.deletionPosition.isEqual( b.graveyardPosition ) ) {\n\t\t\ta.howMany = b.howMany;\n\t\t}\n\t}\n\n\t// Case 1:\n\t//\n\t// Merge operation moves nodes to the place where split happens.\n\t// This is a classic situation when there are two paragraphs, and there is a split (enter) after the first\n\t// paragraph and there is a merge (delete) at the beginning of the second paragraph:\n\t//\n\t// <p>Foo{}</p><p>[]Bar</p>.\n\t//\n\t// Split is after `Foo`, while merge is from `Bar` to the end of `Foo`.\n\t//\n\t// State after split:\n\t// <p>Foo</p><p></p><p>Bar</p>\n\t//\n\t// Now, `Bar` should be merged to the new paragraph:\n\t// <p>Foo</p><p>Bar</p>\n\t//\n\t// Instead of merging it to the original paragraph:\n\t// <p>FooBar</p><p></p>\n\t//\n\t// This means that `targetPosition` needs to be transformed. This is the default case though.\n\t// For example, if the split would be after `F`, `targetPosition` should also be transformed.\n\t//\n\t// There are three exceptions, though, when we want to keep `targetPosition` as it was.\n\t//\n\t// First exception is when the merge target position is inside an element (not at the end, as usual). This\n\t// happens when the merge operation earlier was transformed by \"the same\" merge operation. If merge operation\n\t// targets inside the element we want to keep the original target position (and not transform it) because\n\t// we have additional context telling us that we want to merge to the original element. We can check if the\n\t// merge operation points inside element by checking what is `SplitOperation#howMany`. Since merge target position\n\t// is same as split position, if `howMany` is non-zero, it means that the merge target position is inside an element.\n\t//\n\t// Second exception is when the element to merge is in the graveyard and split operation uses it. In that case\n\t// if target position would be transformed, the merge operation would target at the source position:\n\t//\n\t// root: <p>Foo</p>\t\t\t\tgraveyard: <p></p>\n\t//\n\t// SplitOperation: root [ 0, 3 ] using graveyard [ 0 ] (howMany = 0)\n\t// MergeOperation: graveyard [ 0, 0 ] -> root [ 0, 3 ] (howMany = 0)\n\t//\n\t// Since split operation moves the graveyard node back to the root, the merge operation source position changes.\n\t// We would like to merge from the empty <p> to the \"Foo\" <p>:\n\t//\n\t// root: <p>Foo</p><p></p>\t\t\tgraveyard:\n\t//\n\t// MergeOperation#sourcePosition = root [ 1, 0 ]\n\t//\n\t// If `targetPosition` is transformed, it would become root [ 1, 0 ] as well. It has to be kept as it was.\n\t//\n\t// Third exception is connected with relations. If this happens during undo and we have explicit information\n\t// that target position has not been affected by the operation which is undone by this split then this split should\n\t// not move the target position either.\n\t//\n\tif ( a.targetPosition.isEqual( b.splitPosition ) ) {\n\t\tconst mergeInside = b.howMany != 0;\n\t\tconst mergeSplittingElement = b.graveyardPosition && a.deletionPosition.isEqual( b.graveyardPosition );\n\n\t\tif ( mergeInside || mergeSplittingElement || context.abRelation == 'mergeTargetNotMoved' ) {\n\t\t\ta.sourcePosition = a.sourcePosition._getTransformedBySplitOperation( b );\n\n\t\t\treturn [ a ];\n\t\t}\n\t}\n\n\t// Case 2:\n\t//\n\t// Merge source is at the same position as split position. This sometimes happen, mostly during undo.\n\t// The decision here is mostly to choose whether merge source position should stay where it is (so it will be at the end of the\n\t// split element) or should be move to the beginning of the new element.\n\t//\n\tif ( a.sourcePosition.isEqual( b.splitPosition ) ) {\n\t\t// Use context to check if `SplitOperation` is not undoing a merge operation, that didn't change the `a` operation.\n\t\t// This scenario happens the undone merge operation moved nodes at the source position of `a` operation.\n\t\t// In that case `a` operation source position should stay where it is.\n\t\tif ( context.abRelation == 'mergeSourceNotMoved' ) {\n\t\t\ta.howMany = 0;\n\t\t\ta.targetPosition = a.targetPosition._getTransformedBySplitOperation( b );\n\n\t\t\treturn [ a ];\n\t\t}\n\n\t\t// This merge operation might have been earlier transformed by a merge operation which both merged the same element.\n\t\t// See that case in `MergeOperation` x `MergeOperation` transformation. In that scenario, if the merge operation has been undone,\n\t\t// the special case is not applied.\n\t\t//\n\t\t// Now, the merge operation is transformed by the split which has undone that previous merge operation.\n\t\t// So now we are fixing situation which was skipped in `MergeOperation` x `MergeOperation` case.\n\t\t//\n\t\tif ( context.abRelation == 'mergeSameElement' || a.sourcePosition.offset > 0 ) {\n\t\t\ta.sourcePosition = b.moveTargetPosition.clone();\n\t\t\ta.targetPosition = a.targetPosition._getTransformedBySplitOperation( b );\n\n\t\t\treturn [ a ];\n\t\t}\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.sourcePosition.hasSameParentAs( b.splitPosition ) ) {\n\t\ta.howMany = b.splitPosition.offset;\n\t}\n\n\ta.sourcePosition = a.sourcePosition._getTransformedBySplitOperation( b );\n\ta.targetPosition = a.targetPosition._getTransformedBySplitOperation( b );\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( MoveOperation, InsertOperation, ( a, b ) => {\n\tconst moveRange = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\tconst transformed = moveRange._getTransformedByInsertOperation( b, false )[ 0 ];\n\n\ta.sourcePosition = transformed.start;\n\ta.howMany = transformed.end.offset - transformed.start.offset;\n\n\t// See `InsertOperation` x `MoveOperation` transformation for details on this case.\n\t//\n\t// In summary, both operations point to the same place, so the order of nodes needs to be decided.\n\t// `MoveOperation` is considered weaker, so it is always transformed, unless there was a certain relation\n\t// between operations.\n\t//\n\tif ( !a.targetPosition.isEqual( b.position ) ) {\n\t\ta.targetPosition = a.targetPosition._getTransformedByInsertOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( MoveOperation, MoveOperation, ( a, b, context ) => {\n\t//\n\t// Setting and evaluating some variables that will be used in special cases and default algorithm.\n\t//\n\t// Create ranges from `MoveOperations` properties.\n\tconst rangeA = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\tconst rangeB = Range._createFromPositionAndShift( b.sourcePosition, b.howMany );\n\n\t// Assign `context.aIsStrong` to a different variable, because the value may change during execution of\n\t// this algorithm and we do not want to override original `context.aIsStrong` that will be used in later transformations.\n\tlet aIsStrong = context.aIsStrong;\n\n\t// This will be used to decide the order of nodes if both operations target at the same position.\n\t// By default, use strong/weak operation mechanism.\n\tlet insertBefore = !context.aIsStrong;\n\n\t// If the relation is set, then use it to decide nodes order.\n\tif ( context.abRelation == 'insertBefore' || context.baRelation == 'insertAfter' ) {\n\t\tinsertBefore = true;\n\t} else if ( context.abRelation == 'insertAfter' || context.baRelation == 'insertBefore' ) {\n\t\tinsertBefore = false;\n\t}\n\n\t// `a.targetPosition` could be affected by the `b` operation. We will transform it.\n\tlet newTargetPosition;\n\n\tif ( a.targetPosition.isEqual( b.targetPosition ) && insertBefore ) {\n\t\tnewTargetPosition = a.targetPosition._getTransformedByDeletion(\n\t\t\tb.sourcePosition,\n\t\t\tb.howMany\n\t\t);\n\t} else {\n\t\tnewTargetPosition = a.targetPosition._getTransformedByMove(\n\t\t\tb.sourcePosition,\n\t\t\tb.targetPosition,\n\t\t\tb.howMany\n\t\t);\n\t}\n\n\t//\n\t// Special case #1 + mirror.\n\t//\n\t// Special case when both move operations' target positions are inside nodes that are\n\t// being moved by the other move operation. So in other words, we move ranges into inside of each other.\n\t// This case can't be solved reasonably (on the other hand, it should not happen often).\n\tif ( _moveTargetIntoMovedRange( a, b ) && _moveTargetIntoMovedRange( b, a ) ) {\n\t\t// Instead of transforming operation, we return a reverse of the operation that we transform by.\n\t\t// So when the results of this \"transformation\" will be applied, `b` MoveOperation will get reversed.\n\t\treturn [ b.getReversed() ];\n\t}\n\t//\n\t// End of special case #1.\n\t//\n\n\t//\n\t// Special case #2.\n\t//\n\t// Check if `b` operation targets inside `rangeA`.\n\tconst bTargetsToA = rangeA.containsPosition( b.targetPosition );\n\n\t// If `b` targets to `rangeA` and `rangeA` contains `rangeB`, `b` operation has no influence on `a` operation.\n\t// You might say that operation `b` is captured inside operation `a`.\n\tif ( bTargetsToA && rangeA.containsRange( rangeB, true ) ) {\n\t\t// There is a mini-special case here, where `rangeB` is on other level than `rangeA`. That's why\n\t\t// we need to transform `a` operation anyway.\n\t\trangeA.start = rangeA.start._getTransformedByMove( b.sourcePosition, b.targetPosition, b.howMany );\n\t\trangeA.end = rangeA.end._getTransformedByMove( b.sourcePosition, b.targetPosition, b.howMany );\n\n\t\treturn _makeMoveOperationsFromRanges( [ rangeA ], newTargetPosition );\n\t}\n\n\t//\n\t// Special case #2 mirror.\n\t//\n\tconst aTargetsToB = rangeB.containsPosition( a.targetPosition );\n\n\tif ( aTargetsToB && rangeB.containsRange( rangeA, true ) ) {\n\t\t// `a` operation is \"moved together\" with `b` operation.\n\t\t// Here, just move `rangeA` \"inside\" `rangeB`.\n\t\trangeA.start = rangeA.start._getCombined( b.sourcePosition, b.getMovedRangeStart() );\n\t\trangeA.end = rangeA.end._getCombined( b.sourcePosition, b.getMovedRangeStart() );\n\n\t\treturn _makeMoveOperationsFromRanges( [ rangeA ], newTargetPosition );\n\t}\n\t//\n\t// End of special case #2.\n\t//\n\n\t//\n\t// Special case #3 + mirror.\n\t//\n\t// `rangeA` has a node which is an ancestor of `rangeB`. In other words, `rangeB` is inside `rangeA`\n\t// but not on the same tree level. In such case ranges have common part but we have to treat it\n\t// differently, because in such case those ranges are not really conflicting and should be treated like\n\t// two separate ranges. Also we have to discard two difference parts.\n\tconst aCompB = compareArrays( a.sourcePosition.getParentPath(), b.sourcePosition.getParentPath() );\n\n\tif ( aCompB == 'prefix' || aCompB == 'extension' ) {\n\t\t// Transform `rangeA` by `b` operation and make operation out of it, and that's all.\n\t\t// Note that this is a simplified version of default case, but here we treat the common part (whole `rangeA`)\n\t\t// like a one difference part.\n\t\trangeA.start = rangeA.start._getTransformedByMove( b.sourcePosition, b.targetPosition, b.howMany );\n\t\trangeA.end = rangeA.end._getTransformedByMove( b.sourcePosition, b.targetPosition, b.howMany );\n\n\t\treturn _makeMoveOperationsFromRanges( [ rangeA ], newTargetPosition );\n\t}\n\t//\n\t// End of special case #3.\n\t//\n\n\t//\n\t// Default case - ranges are on the same level or are not connected with each other.\n\t//\n\t// Modifier for default case.\n\t// Modifies `aIsStrong` flag in certain conditions.\n\t//\n\t// If only one of operations is a remove operation, we force remove operation to be the \"stronger\" one\n\t// to provide more expected results.\n\tif ( a.type == 'remove' && b.type != 'remove' && !context.aWasUndone && !context.forceWeakRemove ) {\n\t\taIsStrong = true;\n\t} else if ( a.type != 'remove' && b.type == 'remove' && !context.bWasUndone && !context.forceWeakRemove ) {\n\t\taIsStrong = false;\n\t}\n\n\t// Handle operation's source ranges - check how `rangeA` is affected by `b` operation.\n\t// This will aggregate transformed ranges.\n\tconst ranges = [];\n\n\t// Get the \"difference part\" of `a` operation source range.\n\t// This is an array with one or two ranges. Two ranges if `rangeB` is inside `rangeA`.\n\tconst difference = rangeA.getDifference( rangeB );\n\n\tfor ( const range of difference ) {\n\t\t// Transform those ranges by `b` operation. For example if `b` moved range from before those ranges, fix those ranges.\n\t\trange.start = range.start._getTransformedByDeletion( b.sourcePosition, b.howMany );\n\t\trange.end = range.end._getTransformedByDeletion( b.sourcePosition, b.howMany );\n\n\t\t// If `b` operation targets into `rangeA` on the same level, spread `rangeA` into two ranges.\n\t\tconst shouldSpread = compareArrays( range.start.getParentPath(), b.getMovedRangeStart().getParentPath() ) == 'same';\n\t\tconst newRanges = range._getTransformedByInsertion( b.getMovedRangeStart(), b.howMany, shouldSpread );\n\n\t\tranges.push( ...newRanges );\n\t}\n\n\t// Then, we have to manage the \"common part\" of both move ranges.\n\tconst common = rangeA.getIntersection( rangeB );\n\n\tif ( common !== null && aIsStrong ) {\n\t\t// Calculate the new position of that part of original range.\n\t\tcommon.start = common.start._getCombined( b.sourcePosition, b.getMovedRangeStart() );\n\t\tcommon.end = common.end._getCombined( b.sourcePosition, b.getMovedRangeStart() );\n\n\t\t// Take care of proper range order.\n\t\t//\n\t\t// Put `common` at appropriate place. Keep in mind that we are interested in original order.\n\t\t// Basically there are only three cases: there is zero, one or two difference ranges.\n\t\t//\n\t\t// If there is zero difference ranges, just push `common` in the array.\n\t\tif ( ranges.length === 0 ) {\n\t\t\tranges.push( common );\n\t\t}\n\t\t// If there is one difference range, we need to check whether common part was before it or after it.\n\t\telse if ( ranges.length == 1 ) {\n\t\t\tif ( rangeB.start.isBefore( rangeA.start ) || rangeB.start.isEqual( rangeA.start ) ) {\n\t\t\t\tranges.unshift( common );\n\t\t\t} else {\n\t\t\t\tranges.push( common );\n\t\t\t}\n\t\t}\n\t\t// If there are more ranges (which means two), put common part between them. This is the only scenario\n\t\t// where there could be two difference ranges so we don't have to make any comparisons.\n\t\telse {\n\t\t\tranges.splice( 1, 0, common );\n\t\t}\n\t}\n\n\tif ( ranges.length === 0 ) {\n\t\t// If there are no \"source ranges\", nothing should be changed.\n\t\t// Note that this can happen only if `aIsStrong == false` and `rangeA.isEqual( rangeB )`.\n\t\treturn [ new NoOperation( a.baseVersion ) ];\n\t}\n\n\treturn _makeMoveOperationsFromRanges( ranges, newTargetPosition );\n} );\n\nsetTransformation( MoveOperation, SplitOperation, ( a, b, context ) => {\n\tlet newTargetPosition = a.targetPosition.clone();\n\n\t// Do not transform if target position is same as split insertion position and this split comes from undo.\n\t// This should be done on relations but it is too much work for now as it would require relations working in collaboration.\n\t// We need to make a decision how we will resolve such conflict and this is less harmful way.\n\tif ( !a.targetPosition.isEqual( b.insertionPosition ) || !b.graveyardPosition || context.abRelation == 'moveTargetAfter' ) {\n\t\tnewTargetPosition = a.targetPosition._getTransformedBySplitOperation( b );\n\t}\n\n\t// Case 1:\n\t//\n\t// Last element in the moved range got split.\n\t//\n\t// In this case the default range transformation will not work correctly as the element created by\n\t// split operation would be outside the range. The range to move needs to be fixed manually.\n\t//\n\tconst moveRange = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\n\tif ( moveRange.end.isEqual( b.insertionPosition ) ) {\n\t\t// Do it only if this is a \"natural\" split, not a one that comes from undo.\n\t\t// If this is undo split, only `targetPosition` needs to be changed (if the move is a remove).\n\t\tif ( !b.graveyardPosition ) {\n\t\t\ta.howMany++;\n\t\t}\n\n\t\ta.targetPosition = newTargetPosition;\n\n\t\treturn [ a ];\n\t}\n\n\t// Case 2:\n\t//\n\t// Split happened between the moved nodes. In this case two ranges to move need to be generated.\n\t//\n\t// Characters `ozba` are moved to the end of paragraph `Xyz` but split happened.\n\t// <p>F[oz|ba]r</p><p>Xyz</p>\n\t//\n\t// After split:\n\t// <p>F[oz</p><p>ba]r</p><p>Xyz</p>\n\t//\n\t// Correct ranges:\n\t// <p>F[oz]</p><p>[ba]r</p><p>Xyz</p>\n\t//\n\t// After move:\n\t// <p>F</p><p>r</p><p>Xyzozba</p>\n\t//\n\tif ( moveRange.start.hasSameParentAs( b.splitPosition ) && moveRange.containsPosition( b.splitPosition ) ) {\n\t\tlet rightRange = new Range( b.splitPosition, moveRange.end );\n\t\trightRange = rightRange._getTransformedBySplitOperation( b );\n\n\t\tconst ranges = [\n\t\t\tnew Range( moveRange.start, b.splitPosition ),\n\t\t\trightRange\n\t\t];\n\n\t\treturn _makeMoveOperationsFromRanges( ranges, newTargetPosition );\n\t}\n\n\t// Case 3:\n\t//\n\t// Move operation targets at the split position. We need to decide if the nodes should be inserted\n\t// at the end of the split element or at the beginning of the new element.\n\t//\n\tif ( a.targetPosition.isEqual( b.splitPosition ) && context.abRelation == 'insertAtSource' ) {\n\t\tnewTargetPosition = b.moveTargetPosition;\n\t}\n\n\t// Case 4:\n\t//\n\t// Move operation targets just after the split element. We need to decide if the nodes should be inserted\n\t// between two parts of split element, or after the new element.\n\t//\n\t// Split at `|`, while move operation moves `<p>Xyz</p>` and targets at `^`:\n\t// <p>Foo|bar</p>^<p>baz</p>\n\t// <p>Foo</p>^<p>bar</p><p>baz</p> or <p>Foo</p><p>bar</p>^<p>baz</p>?\n\t//\n\t// If there is no contextual information between operations (for example, they come from collaborative\n\t// editing), we don't want to put some unrelated content (move) between parts of related content (split parts).\n\t// However, if the split is from undo, in the past, the moved content might be targeting between the\n\t// split parts, meaning that was exactly user's intention:\n\t//\n\t// <p>Foo</p>^<p>bar</p>\t\t<--- original situation, in \"past\".\n\t// <p>Foobar</p>^\t\t\t\t<--- after merge target position is transformed.\n\t// <p>Foo|bar</p>^\t\t\t\t<--- then the merge is undone, and split happens, which leads us to current situation.\n\t//\n\t// In this case it is pretty clear that the intention was to put new paragraph between those nodes,\n\t// so we need to transform accordingly. We can detect this scenario thanks to relations.\n\t//\n\tif ( a.targetPosition.isEqual( b.insertionPosition ) && context.abRelation == 'insertBetween' ) {\n\t\tnewTargetPosition = a.targetPosition;\n\t}\n\n\t// The default case.\n\t//\n\tconst transformed = moveRange._getTransformedBySplitOperation( b );\n\tconst ranges = [ transformed ];\n\n\t// Case 5:\n\t//\n\t// Moved range contains graveyard element used by split operation. Add extra move operation to the result.\n\t//\n\tif ( b.graveyardPosition ) {\n\t\tconst movesGraveyardElement = moveRange.start.isEqual( b.graveyardPosition ) || moveRange.containsPosition( b.graveyardPosition );\n\n\t\tif ( a.howMany > 1 && movesGraveyardElement && !context.aWasUndone ) {\n\t\t\tranges.push( Range._createFromPositionAndShift( b.insertionPosition, 1 ) );\n\t\t}\n\t}\n\n\treturn _makeMoveOperationsFromRanges( ranges, newTargetPosition );\n} );\n\nsetTransformation( MoveOperation, MergeOperation, ( a, b, context ) => {\n\tconst movedRange = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\n\tif ( b.deletionPosition.hasSameParentAs( a.sourcePosition ) && movedRange.containsPosition( b.sourcePosition ) ) {\n\t\tif ( a.type == 'remove' && !context.forceWeakRemove ) {\n\t\t\t// Case 1:\n\t\t\t//\n\t\t\t// The element to remove got merged.\n\t\t\t//\n\t\t\t// Merge operation does support merging elements which are not siblings. So it would not be a problem\n\t\t\t// from technical point of view. However, if the element was removed, the intention of the user\n\t\t\t// deleting it was to have it all deleted. From user experience point of view, moving back the\n\t\t\t// removed nodes might be unexpected. This means that in this scenario we will reverse merging and remove the element.\n\t\t\t//\n\t\t\tif ( !context.aWasUndone ) {\n\t\t\t\tconst results = [];\n\n\t\t\t\tlet gyMoveSource = b.graveyardPosition.clone();\n\t\t\t\tlet splitNodesMoveSource = b.targetPosition._getTransformedByMergeOperation( b );\n\n\t\t\t\tif ( a.howMany > 1 ) {\n\t\t\t\t\tresults.push( new MoveOperation( a.sourcePosition, a.howMany - 1, a.targetPosition, 0 ) );\n\n\t\t\t\t\tgyMoveSource = gyMoveSource._getTransformedByMove( a.sourcePosition, a.targetPosition, a.howMany - 1 );\n\t\t\t\t\tsplitNodesMoveSource = splitNodesMoveSource._getTransformedByMove( a.sourcePosition, a.targetPosition, a.howMany - 1 );\n\t\t\t\t}\n\n\t\t\t\tconst gyMoveTarget = b.deletionPosition._getCombined( a.sourcePosition, a.targetPosition );\n\t\t\t\tconst gyMove = new MoveOperation( gyMoveSource, 1, gyMoveTarget, 0 );\n\n\t\t\t\tconst splitNodesMoveTargetPath = gyMove.getMovedRangeStart().path.slice();\n\t\t\t\tsplitNodesMoveTargetPath.push( 0 );\n\n\t\t\t\tconst splitNodesMoveTarget = new Position( gyMove.targetPosition.root, splitNodesMoveTargetPath );\n\t\t\t\tsplitNodesMoveSource = splitNodesMoveSource._getTransformedByMove( gyMoveSource, gyMoveTarget, 1 );\n\t\t\t\tconst splitNodesMove = new MoveOperation( splitNodesMoveSource, b.howMany, splitNodesMoveTarget, 0 );\n\n\t\t\t\tresults.push( gyMove );\n\t\t\t\tresults.push( splitNodesMove );\n\n\t\t\t\treturn results;\n\t\t\t}\n\t\t} else {\n\t\t\t// Case 2:\n\t\t\t//\n\t\t\t// The element to move got merged and it was the only element to move.\n\t\t\t// In this case just don't do anything, leave the node in the graveyard. Without special case\n\t\t\t// it would be a move operation that moves 0 nodes, so maybe it is better just to return no-op.\n\t\t\t//\n\t\t\tif ( a.howMany == 1 ) {\n\t\t\t\tif ( !context.bWasUndone ) {\n\t\t\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t\t\t} else {\n\t\t\t\t\ta.sourcePosition = b.graveyardPosition.clone();\n\t\t\t\t\ta.targetPosition = a.targetPosition._getTransformedByMergeOperation( b );\n\n\t\t\t\t\treturn [ a ];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// The default case.\n\t//\n\tconst moveRange = Range._createFromPositionAndShift( a.sourcePosition, a.howMany );\n\tconst transformed = moveRange._getTransformedByMergeOperation( b );\n\n\ta.sourcePosition = transformed.start;\n\ta.howMany = transformed.end.offset - transformed.start.offset;\n\ta.targetPosition = a.targetPosition._getTransformedByMergeOperation( b );\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( RenameOperation, InsertOperation, ( a, b ) => {\n\ta.position = a.position._getTransformedByInsertOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( RenameOperation, MergeOperation, ( a, b ) => {\n\t// Case 1:\n\t//\n\t// Element to rename got merged, so it was moved to `b.graveyardPosition`.\n\t//\n\tif ( a.position.isEqual( b.deletionPosition ) ) {\n\t\ta.position = b.graveyardPosition.clone();\n\t\ta.position.stickiness = 'toNext';\n\n\t\treturn [ a ];\n\t}\n\n\ta.position = a.position._getTransformedByMergeOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( RenameOperation, MoveOperation, ( a, b ) => {\n\ta.position = a.position._getTransformedByMoveOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( RenameOperation, RenameOperation, ( a, b, context ) => {\n\tif ( a.position.isEqual( b.position ) ) {\n\t\tif ( context.aIsStrong ) {\n\t\t\ta.oldName = b.newName;\n\t\t} else {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( RenameOperation, SplitOperation, ( a, b ) => {\n\t// Case 1:\n\t//\n\t// The element to rename has been split. In this case, the new element should be also renamed.\n\t//\n\t// User decides to change the paragraph to a list item:\n\t// <paragraph>Foobar</paragraph>\n\t//\n\t// However, in meantime, split happens:\n\t// <paragraph>Foo</paragraph><paragraph>bar</paragraph>\n\t//\n\t// As a result, rename both elements:\n\t// <listItem>Foo</listItem><listItem>bar</listItem>\n\t//\n\tconst renamePath = a.position.path;\n\tconst splitPath = b.splitPosition.getParentPath();\n\n\tif ( compareArrays( renamePath, splitPath ) == 'same' && !b.graveyardPosition ) {\n\t\tconst extraRename = new RenameOperation( a.position.getShiftedBy( 1 ), a.oldName, a.newName, 0 );\n\n\t\treturn [ a, extraRename ];\n\t}\n\n\t// The default case.\n\t//\n\ta.position = a.position._getTransformedBySplitOperation( b );\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( RootAttributeOperation, RootAttributeOperation, ( a, b, context ) => {\n\tif ( a.root === b.root && a.key === b.key ) {\n\t\tif ( !context.aIsStrong || a.newValue === b.newValue ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t} else {\n\t\t\ta.oldValue = b.newValue;\n\t\t}\n\t}\n\n\treturn [ a ];\n} );\n\n// -----------------------\n\nsetTransformation( SplitOperation, InsertOperation, ( a, b ) => {\n\t// The default case.\n\t//\n\tif ( a.splitPosition.hasSameParentAs( b.position ) && a.splitPosition.offset < b.position.offset ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\ta.splitPosition = a.splitPosition._getTransformedByInsertOperation( b );\n\ta.insertionPosition = a.insertionPosition._getTransformedByInsertOperation( b );\n\n\treturn [ a ];\n} );\n\nsetTransformation( SplitOperation, MergeOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// Split element got merged. If two different elements were merged, clients will have different content.\n\t//\n\t// Example. Merge at `{}`, split at `[]`:\n\t// <heading>Foo</heading>{}<paragraph>B[]ar</paragraph>\n\t//\n\t// On merge side it will look like this:\n\t// <heading>FooB[]ar</heading>\n\t// <heading>FooB</heading><heading>ar</heading>\n\t//\n\t// On split side it will look like this:\n\t// <heading>Foo</heading>{}<paragraph>B</paragraph><paragraph>ar</paragraph>\n\t// <heading>FooB</heading><paragraph>ar</paragraph>\n\t//\n\t// Clearly, the second element is different for both clients.\n\t//\n\t// We could use the removed merge element from graveyard as a split element but then clients would have a different\n\t// model state (in graveyard), because the split side client would still have an element in graveyard (removed by merge).\n\t//\n\t// To overcome this, in `SplitOperation` x `MergeOperation` transformation we will add additional `SplitOperation`\n\t// in the graveyard, which will actually clone the merged-and-deleted element. Then, that cloned element will be\n\t// used for splitting. Example below.\n\t//\n\t// Original state:\n\t// <heading>Foo</heading>{}<paragraph>B[]ar</paragraph>\n\t//\n\t// Merge side client:\n\t//\n\t// After merge:\n\t// <heading>FooB[]ar</heading>                                 graveyard: <paragraph></paragraph>\n\t//\n\t// Extra split:\n\t// <heading>FooB[]ar</heading>                                 graveyard: <paragraph></paragraph><paragraph></paragraph>\n\t//\n\t// Use the \"cloned\" element from graveyard:\n\t// <heading>FooB</heading><paragraph>ar</paragraph>            graveyard: <paragraph></paragraph>\n\t//\n\t// Split side client:\n\t//\n\t// After split:\n\t// <heading>Foo</heading>{}<paragraph>B</paragraph><paragraph>ar</paragraph>\n\t//\n\t// After merge:\n\t// <heading>FooB</heading><paragraph>ar</paragraph>            graveyard: <paragraph></paragraph>\n\t//\n\t// This special case scenario only applies if the original split operation clones the split element.\n\t// If the original split operation has `graveyardPosition` set, it all doesn't have sense because split operation\n\t// knows exactly which element it should use. So there would be no original problem with different contents.\n\t//\n\t// Additionally, the special case applies only if the merge wasn't already undone.\n\t//\n\tif ( !a.graveyardPosition && !context.bWasUndone && a.splitPosition.hasSameParentAs( b.sourcePosition ) ) {\n\t\tconst splitPath = b.graveyardPosition.path.slice();\n\t\tsplitPath.push( 0 );\n\n\t\tconst splitPosition = new Position( b.graveyardPosition.root, splitPath );\n\t\tconst insertionPosition = SplitOperation.getInsertionPosition( new Position( b.graveyardPosition.root, splitPath ) );\n\n\t\tconst additionalSplit = new SplitOperation( splitPosition, 0, insertionPosition, null, 0 );\n\n\t\ta.splitPosition = a.splitPosition._getTransformedByMergeOperation( b );\n\t\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\t\ta.graveyardPosition = additionalSplit.insertionPosition.clone();\n\t\ta.graveyardPosition.stickiness = 'toNext';\n\n\t\treturn [ additionalSplit, a ];\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.splitPosition.hasSameParentAs( b.deletionPosition ) && !a.splitPosition.isAfter( b.deletionPosition ) ) {\n\t\ta.howMany--;\n\t}\n\n\tif ( a.splitPosition.hasSameParentAs( b.targetPosition ) ) {\n\t\ta.howMany += b.howMany;\n\t}\n\n\ta.splitPosition = a.splitPosition._getTransformedByMergeOperation( b );\n\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\tif ( a.graveyardPosition ) {\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByMergeOperation( b );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( SplitOperation, MoveOperation, ( a, b, context ) => {\n\tconst rangeToMove = Range._createFromPositionAndShift( b.sourcePosition, b.howMany );\n\n\tif ( a.graveyardPosition ) {\n\t\t// Case 1:\n\t\t//\n\t\t// Split operation graveyard node was moved. In this case move operation is stronger. Since graveyard element\n\t\t// is already moved to the correct position, we need to only move the nodes after the split position.\n\t\t// This will be done by `MoveOperation` instead of `SplitOperation`.\n\t\t//\n\t\tconst gyElementMoved = rangeToMove.start.isEqual( a.graveyardPosition ) || rangeToMove.containsPosition( a.graveyardPosition );\n\n\t\tif ( !context.bWasUndone && gyElementMoved ) {\n\t\t\tconst sourcePosition = a.splitPosition._getTransformedByMoveOperation( b );\n\n\t\t\tconst newParentPosition = a.graveyardPosition._getTransformedByMoveOperation( b );\n\t\t\tconst newTargetPath = newParentPosition.path.slice();\n\t\t\tnewTargetPath.push( 0 );\n\n\t\t\tconst newTargetPosition = new Position( newParentPosition.root, newTargetPath );\n\t\t\tconst moveOp = new MoveOperation( sourcePosition, a.howMany, newTargetPosition, 0 );\n\n\t\t\treturn [ moveOp ];\n\t\t}\n\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedByMoveOperation( b );\n\t}\n\n\t// Case 2:\n\t//\n\t// Split is at a position where nodes were moved.\n\t//\n\t// This is a scenario described in `MoveOperation` x `SplitOperation` transformation but from the\n\t// \"split operation point of view\".\n\t//\n\tconst splitAtTarget = a.splitPosition.isEqual( b.targetPosition );\n\n\tif ( splitAtTarget && ( context.baRelation == 'insertAtSource' || context.abRelation == 'splitBefore' ) ) {\n\t\ta.howMany += b.howMany;\n\t\ta.splitPosition = a.splitPosition._getTransformedByDeletion( b.sourcePosition, b.howMany );\n\t\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\t\treturn [ a ];\n\t}\n\n\tif ( splitAtTarget && context.abRelation && context.abRelation.howMany ) {\n\t\tconst { howMany, offset } = context.abRelation;\n\n\t\ta.howMany += howMany;\n\t\ta.splitPosition = a.splitPosition.getShiftedBy( offset );\n\n\t\treturn [ a ];\n\t}\n\n\t// Case 3:\n\t//\n\t// If the split position is inside the moved range, we need to shift the split position to a proper place.\n\t// The position cannot be moved together with moved range because that would result in splitting of an incorrect element.\n\t//\n\t// Characters `bc` should be moved to the second paragraph while split position is between them:\n\t// <paragraph>A[b|c]d</paragraph><paragraph>Xyz</paragraph>\n\t//\n\t// After move, new split position is incorrect:\n\t// <paragraph>Ad</paragraph><paragraph>Xb|cyz</paragraph>\n\t//\n\t// Correct split position:\n\t// <paragraph>A|d</paragraph><paragraph>Xbcyz</paragraph>\n\t//\n\t// After split:\n\t// <paragraph>A</paragraph><paragraph>d</paragraph><paragraph>Xbcyz</paragraph>\n\t//\n\tif ( a.splitPosition.hasSameParentAs( b.sourcePosition ) && rangeToMove.containsPosition( a.splitPosition ) ) {\n\t\tconst howManyRemoved = b.howMany - ( a.splitPosition.offset - b.sourcePosition.offset );\n\t\ta.howMany -= howManyRemoved;\n\n\t\tif ( a.splitPosition.hasSameParentAs( b.targetPosition ) && a.splitPosition.offset < b.targetPosition.offset ) {\n\t\t\ta.howMany += b.howMany;\n\t\t}\n\n\t\ta.splitPosition = b.sourcePosition.clone();\n\t\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\t\treturn [ a ];\n\t}\n\n\t// The default case.\n\t// Don't change `howMany` if move operation does not really move anything.\n\t//\n\tif ( !b.sourcePosition.isEqual( b.targetPosition ) ) {\n\t\tif ( a.splitPosition.hasSameParentAs( b.sourcePosition ) && a.splitPosition.offset <= b.sourcePosition.offset ) {\n\t\t\ta.howMany -= b.howMany;\n\t\t}\n\n\t\tif ( a.splitPosition.hasSameParentAs( b.targetPosition ) && a.splitPosition.offset < b.targetPosition.offset ) {\n\t\t\ta.howMany += b.howMany;\n\t\t}\n\t}\n\n\t// Change position stickiness to force a correct transformation.\n\ta.splitPosition.stickiness = 'toNone';\n\ta.splitPosition = a.splitPosition._getTransformedByMoveOperation( b );\n\ta.splitPosition.stickiness = 'toNext';\n\n\tif ( a.graveyardPosition ) {\n\t\ta.insertionPosition = a.insertionPosition._getTransformedByMoveOperation( b );\n\t} else {\n\t\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\t}\n\n\treturn [ a ];\n} );\n\nsetTransformation( SplitOperation, SplitOperation, ( a, b, context ) => {\n\t// Case 1:\n\t//\n\t// Split at the same position.\n\t//\n\t// If there already was a split at the same position as in `a` operation, it means that the intention\n\t// conveyed by `a` operation has already been fulfilled and `a` should not do anything (to avoid double split).\n\t//\n\t// However, there is a difference if these are new splits or splits created by undo. These have different\n\t// intentions. Also splits moving back different elements from graveyard have different intentions. They\n\t// are just different operations.\n\t//\n\t// So we cancel split operation only if it was really identical.\n\t//\n\t// Also, there is additional case, where split operations aren't identical and should not be cancelled, however the\n\t// default transformation is incorrect too.\n\t//\n\tif ( a.splitPosition.isEqual( b.splitPosition ) ) {\n\t\tif ( !a.graveyardPosition && !b.graveyardPosition ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\n\t\tif ( a.graveyardPosition && b.graveyardPosition && a.graveyardPosition.isEqual( b.graveyardPosition ) ) {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\n\t\t// Use context to know that the `a.splitPosition` should stay where it is.\n\t\t// This happens during undo when first a merge operation moved nodes to `a.splitPosition` and now `b` operation undoes that merge.\n\t\tif ( context.abRelation == 'splitBefore' ) {\n\t\t\t// Since split is at the same position, there are no nodes left to split.\n\t\t\ta.howMany = 0;\n\n\t\t\t// Note: there was `if ( a.graveyardPosition )` here but it was uncovered in tests and I couldn't find any scenarios for now.\n\t\t\t// That would have to be a `SplitOperation` that didn't come from undo but is transformed by operations that were undone.\n\t\t\t// It could happen if `context` is enabled in collaboration.\n\t\t\ta.graveyardPosition = a.graveyardPosition._getTransformedBySplitOperation( b );\n\n\t\t\treturn [ a ];\n\t\t}\n\t}\n\n\t// Case 2:\n\t//\n\t// Same node is using to split different elements. This happens in undo when previously same element was merged to\n\t// two different elements. This is described in `MergeOperation` x `MergeOperation` transformation.\n\t//\n\t// In this case we will follow the same logic. We will assume that `insertionPosition` is same for both\n\t// split operations. This might not always be true but in the real cases that were experienced it was. After all,\n\t// if these splits are reverses of merge operations that were merging the same element, then the `insertionPosition`\n\t// should be same for both of those splits.\n\t//\n\t// Again, we will decide which operation is stronger by checking if split happens in graveyard or in non-graveyard root.\n\t//\n\tif ( a.graveyardPosition && b.graveyardPosition && a.graveyardPosition.isEqual( b.graveyardPosition ) ) {\n\t\tconst aInGraveyard = a.splitPosition.root.rootName == '$graveyard';\n\t\tconst bInGraveyard = b.splitPosition.root.rootName == '$graveyard';\n\n\t\t// If `aIsWeak` it means that `a` points to graveyard while `b` doesn't. Don't move nodes then.\n\t\tconst aIsWeak = aInGraveyard && !bInGraveyard;\n\n\t\t// If `bIsWeak` it means that `b` points to graveyard while `a` doesn't. Force moving nodes then.\n\t\tconst bIsWeak = bInGraveyard && !aInGraveyard;\n\n\t\t// Force move if `b` is weak or neither operation is weak but `a` is stronger through `context.aIsStrong`.\n\t\tconst forceMove = bIsWeak || ( !aIsWeak && context.aIsStrong );\n\n\t\tif ( forceMove ) {\n\t\t\tconst result = [];\n\n\t\t\t// First we need to move any nodes split by `b` back to where they were.\n\t\t\t// Do it only if `b` actually moved something.\n\t\t\tif ( b.howMany ) {\n\t\t\t\tresult.push( new MoveOperation( b.moveTargetPosition, b.howMany, b.splitPosition, 0 ) );\n\t\t\t}\n\n\t\t\t// Then we need to move nodes from `a` split position to their new element.\n\t\t\t// Do it only if `a` actually should move something.\n\t\t\tif ( a.howMany ) {\n\t\t\t\tresult.push( new MoveOperation( a.splitPosition, a.howMany, a.moveTargetPosition, 0 ) );\n\t\t\t}\n\n\t\t\treturn result;\n\t\t} else {\n\t\t\treturn [ new NoOperation( 0 ) ];\n\t\t}\n\t}\n\n\tif ( a.graveyardPosition ) {\n\t\ta.graveyardPosition = a.graveyardPosition._getTransformedBySplitOperation( b );\n\t}\n\n\t// Case 3:\n\t//\n\t// Position where operation `b` inserted a new node after split is the same as the operation `a` split position.\n\t// As in similar cases, there is ambiguity if the split should be before the new node (created by `b`) or after.\n\t//\n\tif ( a.splitPosition.isEqual( b.insertionPosition ) && context.abRelation == 'splitBefore' ) {\n\t\ta.howMany++;\n\n\t\treturn [ a ];\n\t}\n\n\t// Case 4:\n\t//\n\t// This is a mirror to the case 2. above.\n\t//\n\tif ( b.splitPosition.isEqual( a.insertionPosition ) && context.baRelation == 'splitBefore' ) {\n\t\tconst newPositionPath = b.insertionPosition.path.slice();\n\t\tnewPositionPath.push( 0 );\n\n\t\tconst newPosition = new Position( b.insertionPosition.root, newPositionPath );\n\t\tconst moveOp = new MoveOperation( a.insertionPosition, 1, newPosition, 0 );\n\n\t\treturn [ a, moveOp ];\n\t}\n\n\t// The default case.\n\t//\n\tif ( a.splitPosition.hasSameParentAs( b.splitPosition ) && a.splitPosition.offset < b.splitPosition.offset ) {\n\t\ta.howMany -= b.howMany;\n\t}\n\n\ta.splitPosition = a.splitPosition._getTransformedBySplitOperation( b );\n\ta.insertionPosition = SplitOperation.getInsertionPosition( a.splitPosition );\n\n\treturn [ a ];\n} );\n\n// Checks whether `MoveOperation` `targetPosition` is inside a node from the moved range of the other `MoveOperation`.\n//\n// @private\n// @param {module:engine/model/operation/moveoperation~MoveOperation} a\n// @param {module:engine/model/operation/moveoperation~MoveOperation} b\n// @returns {Boolean}\nfunction _moveTargetIntoMovedRange( a, b ) {\n\treturn a.targetPosition._getTransformedByDeletion( b.sourcePosition, b.howMany ) === null;\n}\n\n// Helper function for `MoveOperation` x `MoveOperation` transformation. Converts given ranges and target position to\n// move operations and returns them.\n//\n// Ranges and target position will be transformed on-the-fly when generating operations.\n//\n// Given `ranges` should be in the order of how they were in the original transformed operation.\n//\n// Given `targetPosition` is the target position of the first range from `ranges`.\n//\n// @private\n// @param {Array.<module:engine/model/range~Range>} ranges\n// @param {module:engine/model/position~Position} targetPosition\n// @returns {Array.<module:engine/model/operation/moveoperation~MoveOperation>}\nfunction _makeMoveOperationsFromRanges( ranges, targetPosition ) {\n\t// At this moment we have some ranges and a target position, to which those ranges should be moved.\n\t// Order in `ranges` array is the go-to order of after transformation.\n\t//\n\t// We are almost done. We have `ranges` and `targetPosition` to make operations from.\n\t// Unfortunately, those operations may affect each other. Precisely, first operation after move\n\t// may affect source range and target position of second and third operation. Same with second\n\t// operation affecting third.\n\t//\n\t// We need to fix those source ranges and target positions once again, before converting `ranges` to operations.\n\tconst operations = [];\n\n\t// Keep in mind that nothing will be transformed if there is just one range in `ranges`.\n\tfor ( let i = 0; i < ranges.length; i++ ) {\n\t\t// Create new operation out of a range and target position.\n\t\tconst range = ranges[ i ];\n\t\tconst op = new MoveOperation(\n\t\t\trange.start,\n\t\t\trange.end.offset - range.start.offset,\n\t\t\ttargetPosition,\n\t\t\t0\n\t\t);\n\n\t\toperations.push( op );\n\n\t\t// Transform other ranges by the generated operation.\n\t\tfor ( let j = i + 1; j < ranges.length; j++ ) {\n\t\t\t// All ranges in `ranges` array should be:\n\t\t\t//\n\t\t\t// * non-intersecting (these are part of original operation source range), and\n\t\t\t// * `targetPosition` does not target into them (opposite would mean that transformed operation targets \"inside itself\").\n\t\t\t//\n\t\t\t// This means that the transformation will be \"clean\" and always return one result.\n\t\t\tranges[ j ] = ranges[ j ]._getTransformedByMove( op.sourcePosition, op.targetPosition, op.howMany )[ 0 ];\n\t\t}\n\n\t\ttargetPosition = targetPosition._getTransformedByMove( op.sourcePosition, op.targetPosition, op.howMany );\n\t}\n\n\treturn operations;\n}\n","\n/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/clickobserver\n */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * {@link module:engine/view/document~Document#event:click Click} event observer.\n *\n * Note that this observer is not available by default. To make it available it needs to be added to\n * {@link module:engine/view/view~View view controller}\n * by a {@link module:engine/view/view~View#addObserver} method.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class ClickObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = 'click';\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired when one of the editables has been clicked.\n *\n * Introduced by {@link module:engine/view/observer/clickobserver~ClickObserver}.\n *\n * Note that this event is not available by default. To make it available\n * {@link module:engine/view/observer/clickobserver~ClickObserver} needs to be added\n * to {@link module:engine/view/view~View} by a {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:engine/view/observer/clickobserver~ClickObserver\n * @event module:engine/view/document~Document#event:click\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/observer/mouseobserver\n */\n\nimport DomEventObserver from './domeventobserver';\n\n/**\n * Mouse events observer.\n *\n * Note that this observer is not available by default. To make it available it needs to be added to\n * {@link module:engine/view/view~View} by {@link module:engine/view/view~View#addObserver} method.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class MouseObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'mousedown', 'mouseup', 'mouseover', 'mouseout' ];\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired when the mouse button is pressed down on one of the editing roots of the editor.\n *\n * Introduced by {@link module:engine/view/observer/mouseobserver~MouseObserver}.\n *\n * Note that this event is not available by default. To make it available, {@link module:engine/view/observer/mouseobserver~MouseObserver}\n * needs to be added to {@link module:engine/view/view~View} by the {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:engine/view/observer/mouseobserver~MouseObserver\n * @event module:engine/view/document~Document#event:mousedown\n * @param {module:engine/view/observer/domeventdata~DomEventData} data The event data.\n */\n\n/**\n * Fired when the mouse button is released over one of the editing roots of the editor.\n *\n * Introduced by {@link module:engine/view/observer/mouseobserver~MouseObserver}.\n *\n * Note that this event is not available by default. To make it available, {@link module:engine/view/observer/mouseobserver~MouseObserver}\n * needs to be added to {@link module:engine/view/view~View} by the {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:engine/view/observer/mouseobserver~MouseObserver\n * @event module:engine/view/document~Document#event:mouseup\n * @param {module:engine/view/observer/domeventdata~DomEventData} data The event data.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module module:engine/view/upcastwriter\n */\n\nimport DocumentFragment from './documentfragment';\nimport Element from './element';\nimport Text from './text';\nimport { isPlainObject } from 'lodash-es';\nimport Position from './position';\nimport Range from './range';\nimport Selection from './selection';\n\n/**\n * View upcast writer. It provides a set of methods used to manipulate non-semantic view trees.\n *\n * It should be used only while working on a non-semantic view\n * (e.g. a view created from HTML string on paste).\n * To manipulate a view which was or is being downcasted from the the model use the\n * {@link module:engine/view/downcastwriter~DowncastWriter downcast writer}.\n *\n * Read more about changing the view in the {@glink framework/guides/architecture/editing-engine#changing-the-view Changing the view}\n * section of the {@glink framework/guides/architecture/editing-engine Editing engine architecture} guide.\n *\n * Unlike `DowncastWriter`, which is available in the {@link module:engine/view/view~View#change `View#change()`} block,\n * `UpcastWriter` can be created wherever you need it:\n *\n *\t\tconst writer = new UpcastWriter( viewDocument );\n *\t\tconst text = writer.createText( 'foo!' );\n *\n *\t\twriter.appendChild( text, someViewElement );\n */\nexport default class UpcastWriter {\n\t/**\n\t * @param {module:engine/view/document~Document} document The view document instance in which this upcast writer operates.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * The view document instance in which this upcast writer operates.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/documentfragment~DocumentFragment} instance.\n\t *\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into the created document fragment.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} The created document fragment.\n\t */\n\tcreateDocumentFragment( children ) {\n\t\treturn new DocumentFragment( this.document, children );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/element~Element} instance.\n\t *\n\t * Attributes can be passed in various formats:\n\t *\n\t *\t\tupcastWriter.createElement( 'div', { class: 'editor', contentEditable: 'true' } ); // object\n\t *\t\tupcastWriter.createElement( 'div', [ [ 'class', 'editor' ], [ 'contentEditable', 'true' ] ] ); // map-like iterator\n\t *\t\tupcastWriter.createElement( 'div', mapOfAttributes ); // map\n\t *\n\t * @param {String} name Node name.\n\t * @param {Object|Iterable} [attrs] Collection of attributes.\n\t * @param {module:engine/view/node~Node|Iterable.<module:engine/view/node~Node>} [children]\n\t * A list of nodes to be inserted into created element.\n\t * @returns {module:engine/view/element~Element} Created element.\n\t */\n\tcreateElement( name, attrs, children ) {\n\t\treturn new Element( this.document, name, attrs, children );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/text~Text} instance.\n\t *\n\t * @param {String} data The text's data.\n\t * @returns {module:engine/view/text~Text} The created text node.\n\t */\n\tcreateText( data ) {\n\t\treturn new Text( this.document, data );\n\t}\n\n\t/**\n\t * Clones the provided element.\n\t *\n\t * @see module:engine/view/element~Element#_clone\n\t * @param {module:engine/view/element~Element} element Element to be cloned.\n\t * @param {Boolean} [deep=false] If set to `true` clones element and all its children recursively. When set to `false`,\n\t * element will be cloned without any children.\n\t * @returns {module:engine/view/element~Element} Clone of this element.\n\t */\n\tclone( element, deep = false ) {\n\t\treturn element._clone( deep );\n\t}\n\n\t/**\n\t * Appends a child node or a list of child nodes at the end of this node\n\t * and sets the parent of these nodes to this element.\n\t *\n\t * @see module:engine/view/element~Element#_appendChild\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} element Element\n\t * to which items will be appended.\n\t * @fires module:engine/view/node~Node#event:change\n\t * @returns {Number} Number of appended nodes.\n\t */\n\tappendChild( items, element ) {\n\t\treturn element._appendChild( items );\n\t}\n\n\t/**\n\t * Inserts a child node or a list of child nodes on the given index and sets the parent of these nodes to\n\t * this element.\n\t *\n\t * @see module:engine/view/element~Element#_insertChild\n\t * @param {Number} index Offset at which nodes should be inserted.\n\t * @param {module:engine/view/item~Item|Iterable.<module:engine/view/item~Item>} items Items to be inserted.\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} element Element\n\t * to which items will be inserted.\n\t * @fires module:engine/view/node~Node#event:change\n\t * @returns {Number} Number of inserted nodes.\n\t */\n\tinsertChild( index, items, element ) {\n\t\treturn element._insertChild( index, items );\n\t}\n\n\t/**\n\t * Removes the given number of child nodes starting at the given index and set the parent of these nodes to `null`.\n\t *\n\t * @see module:engine/view/element~Element#_removeChildren\n\t * @param {Number} index Offset from which nodes will be removed.\n\t * @param {Number} howMany Number of nodes to remove.\n\t * @param {module:engine/view/element~Element|module:engine/view/documentfragment~DocumentFragment} element Element\n\t * which children will be removed.\n\t * @fires module:engine/view/node~Node#event:change\n\t * @returns {Array.<module:engine/view/node~Node>} The array containing removed nodes.\n\t */\n\tremoveChildren( index, howMany, element ) {\n\t\treturn element._removeChildren( index, howMany );\n\t}\n\n\t/**\n\t * Removes given element from the view structure. Will not have effect on detached elements.\n\t *\n\t * @param {module:engine/view/element~Element} element Element which will be removed.\n\t * @returns {Array.<module:engine/view/node~Node>} The array containing removed nodes.\n\t */\n\tremove( element ) {\n\t\tconst parent = element.parent;\n\n\t\tif ( parent ) {\n\t\t\treturn this.removeChildren( parent.getChildIndex( element ), 1, parent );\n\t\t}\n\n\t\treturn [];\n\t}\n\n\t/**\n\t * Replaces given element with the new one in the view structure. Will not have effect on detached elements.\n\t *\n\t * @param {module:engine/view/element~Element} oldElement Element which will be replaced.\n\t * @param {module:engine/view/element~Element} newElement Element which will be inserted in the place of the old element.\n\t * @returns {Boolean} Whether old element was successfully replaced.\n\t */\n\treplace( oldElement, newElement ) {\n\t\tconst parent = oldElement.parent;\n\n\t\tif ( parent ) {\n\t\t\tconst index = parent.getChildIndex( oldElement );\n\n\t\t\tthis.removeChildren( index, 1, parent );\n\t\t\tthis.insertChild( index, newElement, parent );\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Removes given element from view structure and places its children in its position.\n\t * It does nothing if element has no parent.\n\t *\n\t * @param {module:engine/view/element~Element} element Element to unwrap.\n\t */\n\tunwrapElement( element ) {\n\t\tconst parent = element.parent;\n\n\t\tif ( parent ) {\n\t\t\tconst index = parent.getChildIndex( element );\n\n\t\t\tthis.remove( element );\n\t\t\tthis.insertChild( index, element.getChildren(), parent );\n\t\t}\n\t}\n\n\t/**\n\t * Renames element by creating a copy of a given element but with its name changed and then moving contents of the\n\t * old element to the new one.\n\t *\n\t * Since this function creates a new element and removes the given one, the new element is returned to keep reference.\n\t *\n\t * @param {String} newName New element name.\n\t * @param {module:engine/view/element~Element} element Element to be renamed.\n\t * @returns {module:engine/view/element~Element|null} New element or null if the old element\n\t * was not replaced (happens for detached elements).\n\t */\n\trename( newName, element ) {\n\t\tconst newElement = new Element( this.document, newName, element.getAttributes(), element.getChildren() );\n\n\t\treturn this.replace( element, newElement ) ? newElement : null;\n\t}\n\n\t/**\n\t * Adds or overwrites element's attribute with a specified key and value.\n\t *\n\t *\t\twriter.setAttribute( 'href', 'http://ckeditor.com', linkElement );\n\t *\n\t * @see module:engine/view/element~Element#_setAttribute\n\t * @param {String} key Attribute key.\n\t * @param {String} value Attribute value.\n\t * @param {module:engine/view/element~Element} element Element for which attribute will be set.\n\t */\n\tsetAttribute( key, value, element ) {\n\t\telement._setAttribute( key, value );\n\t}\n\n\t/**\n\t * Removes attribute from the element.\n\t *\n\t *\t\twriter.removeAttribute( 'href', linkElement );\n\t *\n\t * @see module:engine/view/element~Element#_removeAttribute\n\t * @param {String} key Attribute key.\n\t * @param {module:engine/view/element~Element} element Element from which attribute will be removed.\n\t */\n\tremoveAttribute( key, element ) {\n\t\telement._removeAttribute( key );\n\t}\n\n\t/**\n\t * Adds specified class to the element.\n\t *\n\t *\t\twriter.addClass( 'foo', linkElement );\n\t *\t\twriter.addClass( [ 'foo', 'bar' ], linkElement );\n\t *\n\t * @see module:engine/view/element~Element#_addClass\n\t * @param {Array.<String>|String} className Single class name or array of class names which will be added.\n\t * @param {module:engine/view/element~Element} element Element for which class will be added.\n\t */\n\taddClass( className, element ) {\n\t\telement._addClass( className );\n\t}\n\n\t/**\n\t * Removes specified class from the element.\n\t *\n\t *\t\twriter.removeClass( 'foo', linkElement );\n\t *\t\twriter.removeClass( [ 'foo', 'bar' ], linkElement );\n\t *\n\t * @see module:engine/view/element~Element#_removeClass\n\t * @param {Array.<String>|String} className Single class name or array of class names which will be removed.\n\t * @param {module:engine/view/element~Element} element Element from which class will be removed.\n\t */\n\tremoveClass( className, element ) {\n\t\telement._removeClass( className );\n\t}\n\n\t/**\n\t * Adds style to the element.\n\t *\n\t *\t\twriter.setStyle( 'color', 'red', element );\n\t *\t\twriter.setStyle( {\n\t *\t\t\tcolor: 'red',\n\t *\t\t\tposition: 'fixed'\n\t *\t\t}, element );\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#set `StylesMap#set()`} for details.\n\t *\n\t * @see module:engine/view/element~Element#_setStyle\n\t * @param {String|Object} property Property name or object with key - value pairs.\n\t * @param {String} [value] Value to set. This parameter is ignored if object is provided as the first parameter.\n\t * @param {module:engine/view/element~Element} element Element for which style will be added.\n\t */\n\tsetStyle( property, value, element ) {\n\t\tif ( isPlainObject( property ) && element === undefined ) {\n\t\t\telement = value;\n\t\t}\n\t\telement._setStyle( property, value );\n\t}\n\n\t/**\n\t * Removes specified style from the element.\n\t *\n\t *\t\twriter.removeStyle( 'color', element );  // Removes 'color' style.\n\t *\t\twriter.removeStyle( [ 'color', 'border-top' ], element ); // Removes both 'color' and 'border-top' styles.\n\t *\n\t * **Note**: This method can work with normalized style names if\n\t * {@link module:engine/controller/datacontroller~DataController#addStyleProcessorRules a particular style processor rule is enabled}.\n\t * See {@link module:engine/view/stylesmap~StylesMap#remove `StylesMap#remove()`} for details.\n\t *\n\t * @see module:engine/view/element~Element#_removeStyle\n\t * @param {Array.<String>|String} property Style property name or names to be removed.\n\t * @param {module:engine/view/element~Element} element Element from which style will be removed.\n\t */\n\tremoveStyle( property, element ) {\n\t\telement._removeStyle( property );\n\t}\n\n\t/**\n\t * Sets a custom property on element. Unlike attributes, custom properties are not rendered to the DOM,\n\t * so they can be used to add special data to elements.\n\t *\n\t * @see module:engine/view/element~Element#_setCustomProperty\n\t * @param {String|Symbol} key Custom property name/key.\n\t * @param {*} value Custom property value to be stored.\n\t * @param {module:engine/view/element~Element} element Element for which custom property will be set.\n\t */\n\tsetCustomProperty( key, value, element ) {\n\t\telement._setCustomProperty( key, value );\n\t}\n\n\t/**\n\t * Removes a custom property stored under the given key.\n\t *\n\t * @see module:engine/view/element~Element#_removeCustomProperty\n\t * @param {String|Symbol} key Name/key of the custom property to be removed.\n\t * @param {module:engine/view/element~Element} element Element from which the custom property will be removed.\n\t * @returns {Boolean} Returns true if property was removed.\n\t */\n\tremoveCustomProperty( key, element ) {\n\t\treturn element._removeCustomProperty( key );\n\t}\n\n\t/**\n\t * Creates position at the given location. The location can be specified as:\n\t *\n\t * * a {@link module:engine/view/position~Position position},\n\t * * parent element and offset (offset defaults to `0`),\n\t * * parent element and `'end'` (sets position at the end of that element),\n\t * * {@link module:engine/view/item~Item view item} and `'before'` or `'after'` (sets position before or after given view item).\n\t *\n\t * This method is a shortcut to other constructors such as:\n\t *\n\t * * {@link #createPositionBefore},\n\t * * {@link #createPositionAfter},\n\t *\n\t * @param {module:engine/view/item~Item|module:engine/model/position~Position} itemOrPosition\n\t * @param {Number|'end'|'before'|'after'} [offset] Offset or one of the flags. Used only when\n\t * first parameter is a {@link module:engine/view/item~Item view item}.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionAt( itemOrPosition, offset ) {\n\t\treturn Position._createAt( itemOrPosition, offset );\n\t}\n\n\t/**\n\t * Creates a new position after given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item after which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionAfter( item ) {\n\t\treturn Position._createAfter( item );\n\t}\n\n\t/**\n\t * Creates a new position before given view item.\n\t *\n\t * @param {module:engine/view/item~Item} item View item before which the position should be located.\n\t * @returns {module:engine/view/position~Position}\n\t */\n\tcreatePositionBefore( item ) {\n\t\treturn Position._createBefore( item );\n\t}\n\n\t/**\n\t * Creates a range spanning from `start` position to `end` position.\n\t *\n\t * **Note:** This factory method creates it's own {@link module:engine/view/position~Position} instances basing on passed values.\n\t *\n\t * @param {module:engine/view/position~Position} start Start position.\n\t * @param {module:engine/view/position~Position} [end] End position. If not set, range will be collapsed at `start` position.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRange( start, end ) {\n\t\treturn new Range( start, end );\n\t}\n\n\t/**\n\t * Creates a range that starts before given {@link module:engine/view/item~Item view item} and ends after it.\n\t *\n\t * @param {module:engine/view/item~Item} item\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeOn( item ) {\n\t\treturn Range._createOn( item );\n\t}\n\n\t/**\n\t * Creates a range inside an {@link module:engine/view/element~Element element} which starts before the first child of\n\t * that element and ends after the last child of that element.\n\t *\n\t * @param {module:engine/view/element~Element} element Element which is a parent for the range.\n\t * @returns {module:engine/view/range~Range}\n\t */\n\tcreateRangeIn( element ) {\n\t\treturn Range._createIn( element );\n\t}\n\n\t/**\n\t * Creates a new {@link module:engine/view/selection~Selection} instance.\n\t *\n\t * \t\t// Creates empty selection without ranges.\n\t *\t\tconst selection = writer.createSelection();\n\t *\n\t *\t\t// Creates selection at the given range.\n\t *\t\tconst range = writer.createRange( start, end );\n\t *\t\tconst selection = writer.createSelection( range );\n\t *\n\t *\t\t// Creates selection at the given ranges\n\t * \t\tconst ranges = [ writer.createRange( start1, end2 ), writer.createRange( star2, end2 ) ];\n\t *\t\tconst selection = writer.createSelection( ranges );\n\t *\n\t *\t\t// Creates selection from the other selection.\n\t *\t\tconst otherSelection = writer.createSelection();\n\t *\t\tconst selection = writer.createSelection( otherSelection );\n\t *\n\t *\t\t// Creates selection from the document selection.\n\t *\t\tconst selection = writer.createSelection( editor.editing.view.document.selection );\n\t *\n\t * \t\t// Creates selection at the given position.\n\t *\t\tconst position = writer.createPositionFromPath( root, path );\n\t *\t\tconst selection = writer.createSelection( position );\n\t *\n\t *\t\t// Creates collapsed selection at the position of given item and offset.\n\t *\t\tconst paragraph = writer.createContainerElement( 'paragraph' );\n\t *\t\tconst selection = writer.createSelection( paragraph, offset );\n\t *\n\t *\t\t// Creates a range inside an {@link module:engine/view/element~Element element} which starts before the\n\t *\t\t// first child of that element and ends after the last child of that element.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'in' );\n\t *\n\t *\t\t// Creates a range on an {@link module:engine/view/item~Item item} which starts before the item and ends\n\t *\t\t// just after the item.\n\t *\t\tconst selection = writer.createSelection( paragraph, 'on' );\n\t *\n\t * `Selection`'s constructor allow passing additional options (`backward`, `fake` and `label`) as the last argument.\n\t *\n\t *\t\t// Creates backward selection.\n\t *\t\tconst selection = writer.createSelection( range, { backward: true } );\n\t *\n\t * Fake selection does not render as browser native selection over selected elements and is hidden to the user.\n\t * This way, no native selection UI artifacts are displayed to the user and selection over elements can be\n\t * represented in other way, for example by applying proper CSS class.\n\t *\n\t * Additionally fake's selection label can be provided. It will be used to describe fake selection in DOM\n\t * (and be  properly handled by screen readers).\n\t *\n\t *\t\t// Creates fake selection with label.\n\t *\t\tconst selection = writer.createSelection( range, { fake: true, label: 'foo' } );\n\t *\n\t * @param {module:engine/view/selection~Selectable} [selectable=null]\n\t * @param {Number|'before'|'end'|'after'|'on'|'in'} [placeOrOffset] Offset or place when selectable is an `Item`.\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.backward] Sets this selection instance to be backward.\n\t * @param {Boolean} [options.fake] Sets this selection instance to be marked as `fake`.\n\t * @param {String} [options.label] Label for the fake selection.\n\t * @returns {module:engine/view/selection~Selection}\n\t */\n\tcreateSelection( selectable, placeOrOffset, options ) {\n\t\treturn new Selection( selectable, placeOrOffset, options );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/styles/utils\n */\n\nconst HEX_COLOR_REGEXP = /^#([0-9a-f]{3,4}|[0-9a-f]{6}|[0-9a-f]{8})$/i;\nconst RGB_COLOR_REGEXP = /^rgb\\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}[0-9]{1,3}[ %]?\\)$/i;\nconst RGBA_COLOR_REGEXP = /^rgba\\([ ]?([0-9]{1,3}[ %]?,[ ]?){3}(1|[0-9]+%|[0]?\\.?[0-9]+)\\)$/i;\nconst HSL_COLOR_REGEXP = /^hsl\\([ ]?([0-9]{1,3}[ %]?[,]?[ ]*){3}(1|[0-9]+%|[0]?\\.?[0-9]+)?\\)$/i;\nconst HSLA_COLOR_REGEXP = /^hsla\\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}(1|[0-9]+%|[0]?\\.?[0-9]+)\\)$/i;\n\nconst COLOR_NAMES = new Set( [\n\t// CSS Level 1\n\t'black', 'silver', 'gray', 'white', 'maroon', 'red', 'purple', 'fuchsia',\n\t'green', 'lime', 'olive', 'yellow', 'navy', 'blue', 'teal', 'aqua',\n\t// CSS Level 2 (Revision 1)\n\t'orange',\n\t// CSS Color Module Level 3\n\t'aliceblue', 'antiquewhite', 'aquamarine', 'azure', 'beige', 'bisque', 'blanchedalmond', 'blueviolet', 'brown',\n\t'burlywood', 'cadetblue', 'chartreuse', 'chocolate', 'coral', 'cornflowerblue', 'cornsilk', 'crimson', 'cyan',\n\t'darkblue', 'darkcyan', 'darkgoldenrod', 'darkgray', 'darkgreen', 'darkgrey', 'darkkhaki', 'darkmagenta',\n\t'darkolivegreen', 'darkorange', 'darkorchid', 'darkred', 'darksalmon', 'darkseagreen', 'darkslateblue',\n\t'darkslategray', 'darkslategrey', 'darkturquoise', 'darkviolet', 'deeppink', 'deepskyblue', 'dimgray', 'dimgrey',\n\t'dodgerblue', 'firebrick', 'floralwhite', 'forestgreen', 'gainsboro', 'ghostwhite', 'gold', 'goldenrod',\n\t'greenyellow', 'grey', 'honeydew', 'hotpink', 'indianred', 'indigo', 'ivory', 'khaki', 'lavender', 'lavenderblush',\n\t'lawngreen', 'lemonchiffon', 'lightblue', 'lightcoral', 'lightcyan', 'lightgoldenrodyellow', 'lightgray',\n\t'lightgreen', 'lightgrey', 'lightpink', 'lightsalmon', 'lightseagreen', 'lightskyblue', 'lightslategray',\n\t'lightslategrey', 'lightsteelblue', 'lightyellow', 'limegreen', 'linen', 'magenta', 'mediumaquamarine',\n\t'mediumblue', 'mediumorchid', 'mediumpurple', 'mediumseagreen', 'mediumslateblue', 'mediumspringgreen',\n\t'mediumturquoise', 'mediumvioletred', 'midnightblue', 'mintcream', 'mistyrose', 'moccasin', 'navajowhite',\n\t'oldlace', 'olivedrab', 'orangered', 'orchid', 'palegoldenrod', 'palegreen', 'paleturquoise', 'palevioletred',\n\t'papayawhip', 'peachpuff', 'peru', 'pink', 'plum', 'powderblue', 'rosybrown', 'royalblue', 'saddlebrown', 'salmon',\n\t'sandybrown', 'seagreen', 'seashell', 'sienna', 'skyblue', 'slateblue', 'slategray', 'slategrey', 'snow',\n\t'springgreen', 'steelblue', 'tan', 'thistle', 'tomato', 'turquoise', 'violet', 'wheat', 'whitesmoke', 'yellowgreen',\n\t// CSS Color Module Level 3 (System Colors)\n\t'activeborder', 'activecaption', 'appworkspace', 'background', 'buttonface', 'buttonhighlight', 'buttonshadow',\n\t'buttontext', 'captiontext', 'graytext', 'highlight', 'highlighttext', 'inactiveborder', 'inactivecaption',\n\t'inactivecaptiontext', 'infobackground', 'infotext', 'menu', 'menutext', 'scrollbar', 'threeddarkshadow',\n\t'threedface', 'threedhighlight', 'threedlightshadow', 'threedshadow', 'window', 'windowframe', 'windowtext',\n\t// CSS Color Module Level 4\n\t'rebeccapurple',\n\t// Keywords\n\t'currentcolor', 'transparent'\n] );\n\n/**\n * Checks if string contains [color](https://developer.mozilla.org/en-US/docs/Web/CSS/color) CSS value.\n *\n *\t\tisColor( '#f00' );\t\t\t\t\t\t// true\n *\t\tisColor( '#AA00BB33' );\t\t\t\t\t// true\n *\t\tisColor( 'rgb(0, 0, 250)' );\t\t\t// true\n *\t\tisColor( 'hsla(240, 100%, 50%, .7)' );\t// true\n *\t\tisColor( 'deepskyblue' );\t\t\t\t// true\n *\n * **Note**: It does not support CSS Level 4 whitespace syntax, system colors and radius values for HSL colors.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isColor( string ) {\n\t// As far as I was able to test checking some pre-conditions is faster than joining each test with ||.\n\tif ( string.startsWith( '#' ) ) {\n\t\treturn HEX_COLOR_REGEXP.test( string );\n\t}\n\n\tif ( string.startsWith( 'rgb' ) ) {\n\t\treturn RGB_COLOR_REGEXP.test( string ) || RGBA_COLOR_REGEXP.test( string );\n\t}\n\n\tif ( string.startsWith( 'hsl' ) ) {\n\t\treturn HSL_COLOR_REGEXP.test( string ) || HSLA_COLOR_REGEXP.test( string );\n\t}\n\n\t// Array check > RegExp test.\n\treturn COLOR_NAMES.has( string.toLowerCase() );\n}\n\nconst lineStyleValues = [ 'none', 'hidden', 'dotted', 'dashed', 'solid', 'double', 'groove', 'ridge', 'inset', 'outset' ];\n\n/**\n * Checks if string contains [line style](https://developer.mozilla.org/en-US/docs/Web/CSS/border-style) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isLineStyle( string ) {\n\treturn lineStyleValues.includes( string );\n}\n\nconst lengthRegExp = /^([+-]?[0-9]*([.][0-9]+)?(px|cm|mm|in|pc|pt|ch|em|ex|rem|vh|vw|vmin|vmax)|0)$/;\n\n/**\n * Checks if string contains [length](https://developer.mozilla.org/en-US/docs/Web/CSS/length) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isLength( string ) {\n\treturn lengthRegExp.test( string );\n}\n\nconst PERCENTAGE_VALUE_REGEXP = /^[+-]?[0-9]*([.][0-9]+)?%$/;\n\n/**\n * Checks if string contains [percentage](https://developer.mozilla.org/en-US/docs/Web/CSS/percentage) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isPercentage( string ) {\n\treturn PERCENTAGE_VALUE_REGEXP.test( string );\n}\n\nconst repeatValues = [ 'repeat-x', 'repeat-y', 'repeat', 'space', 'round', 'no-repeat' ];\n\n/**\n * Checks if string contains [background repeat](https://developer.mozilla.org/en-US/docs/Web/CSS/background-repeat) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isRepeat( string ) {\n\treturn repeatValues.includes( string );\n}\n\nconst positionValues = [ 'center', 'top', 'bottom', 'left', 'right' ];\n\n/**\n * Checks if string contains [background position](https://developer.mozilla.org/en-US/docs/Web/CSS/background-position) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isPosition( string ) {\n\treturn positionValues.includes( string );\n}\n\nconst attachmentValues = [ 'fixed', 'scroll', 'local' ];\n\n/**\n * Checks if string contains [background attachment](https://developer.mozilla.org/en-US/docs/Web/CSS/background-attachment) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isAttachment( string ) {\n\treturn attachmentValues.includes( string );\n}\n\nconst urlRegExp = /^url\\(/;\n\n/**\n * Checks if string contains [URL](https://developer.mozilla.org/en-US/docs/Web/CSS/url) CSS value.\n *\n * @param {String} string\n * @returns {Boolean}\n */\nexport function isURL( string ) {\n\treturn urlRegExp.test( string );\n}\n\nexport function getBoxSidesValues( value = '' ) {\n\tif ( value === '' ) {\n\t\treturn { top: undefined, right: undefined, bottom: undefined, left: undefined };\n\t}\n\n\tconst values = getShorthandValues( value );\n\n\tconst top = values[ 0 ];\n\tconst bottom = values[ 2 ] || top;\n\tconst right = values[ 1 ] || top;\n\tconst left = values[ 3 ] || right;\n\n\treturn { top, bottom, right, left };\n}\n\n/**\n * Default reducer for CSS properties that concerns edges of a box\n * [shorthand](https://developer.mozilla.org/en-US/docs/Web/CSS/Shorthand_properties) notations:\n *\n *\t\tstylesProcessor.setReducer( 'padding', getBoxSidesValueReducer( 'padding' ) );\n *\n * @param {String} styleShorthand\n * @returns {Function}\n */\nexport function getBoxSidesValueReducer( styleShorthand ) {\n\treturn value => {\n\t\tconst { top, right, bottom, left } = value;\n\n\t\tconst reduced = [];\n\n\t\tif ( ![ top, right, left, bottom ].every( value => !!value ) ) {\n\t\t\tif ( top ) {\n\t\t\t\treduced.push( [ styleShorthand + '-top', top ] );\n\t\t\t}\n\n\t\t\tif ( right ) {\n\t\t\t\treduced.push( [ styleShorthand + '-right', right ] );\n\t\t\t}\n\n\t\t\tif ( bottom ) {\n\t\t\t\treduced.push( [ styleShorthand + '-bottom', bottom ] );\n\t\t\t}\n\n\t\t\tif ( left ) {\n\t\t\t\treduced.push( [ styleShorthand + '-left', left ] );\n\t\t\t}\n\t\t} else {\n\t\t\treduced.push( [ styleShorthand, getBoxSidesShorthandValue( value ) ] );\n\t\t}\n\n\t\treturn reduced;\n\t};\n}\n\n/**\n * Returns a [shorthand](https://developer.mozilla.org/en-US/docs/Web/CSS/Shorthand_properties) notation\n * of a CSS property value.\n *\n *\t\tgetBoxSidesShorthandValue( { top: '1px', right: '1px', bottom: '2px', left: '1px' } );\n *\t\t// will return '1px 1px 2px'\n *\n * @param {module:engine/view/stylesmap~BoxSides} styleShorthand\n * @returns {String}\n */\nexport function getBoxSidesShorthandValue( { top, right, bottom, left } ) {\n\tconst out = [];\n\n\tif ( left !== right ) {\n\t\tout.push( top, right, bottom, left );\n\t} else if ( bottom !== top ) {\n\t\tout.push( top, right, bottom );\n\t} else if ( right !== top ) {\n\t\tout.push( top, right );\n\t} else {\n\t\tout.push( top );\n\t}\n\n\treturn out.join( ' ' );\n}\n\n/**\n * Creates a normalizer for a [shorthand](https://developer.mozilla.org/en-US/docs/Web/CSS/Shorthand_properties) 1-to-4 value.\n *\n *\t\tstylesProcessor.setNormalizer( 'margin', getPositionShorthandNormalizer( 'margin' ) );\n *\n * @param {String} shorthand\n * @returns {Function}\n */\nexport function getPositionShorthandNormalizer( shorthand ) {\n\treturn value => {\n\t\treturn {\n\t\t\tpath: shorthand,\n\t\t\tvalue: getBoxSidesValues( value )\n\t\t};\n\t};\n}\n\n/**\n * Parses parts of a 1-to-4 value notation - handles some CSS values with spaces (like RGB()).\n *\n *\t\tgetShorthandValues( 'red blue RGB(0, 0, 0)');\n *\t\t// will return [ 'red', 'blue', 'RGB(0, 0, 0)' ]\n *\n * @param {String} string\n * @returns {Array.<String>}\n */\nexport function getShorthandValues( string ) {\n\treturn string\n\t\t.replace( /, /g, ',' ) // Exclude comma from spaces evaluation as values are separated by spaces.\n\t\t.split( ' ' )\n\t\t.map( string => string.replace( /,/g, ', ' ) ); // Restore original notation.\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/styles/background\n */\n\nimport { getShorthandValues, isAttachment, isColor, isPosition, isRepeat, isURL } from './utils';\n\n/**\n * Adds a background CSS styles processing rules.\n *\n *\t\teditor.data.addStyleProcessorRules( addBackgroundRules );\n *\n * The normalized value is stored as:\n *\n *\t\tconst styles = {\n *\t\t\tbackground: {\n *\t\t\t\tcolor,\n *\t\t\t\trepeat,\n *\t\t\t\tposition,\n *\t\t\t\tattachment,\n *\t\t\t\timage\n *\t\t\t}\n *\t\t};\n *\n * **Note**: Currently only `'background-color'` longhand value is parsed besides `'background'` shorthand. The reducer also supports only\n * `'background-color'` value.\n *\n * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n */\nexport function addBackgroundRules( stylesProcessor ) {\n\tstylesProcessor.setNormalizer( 'background', normalizeBackground );\n\tstylesProcessor.setNormalizer( 'background-color', value => ( { path: 'background.color', value } ) );\n\tstylesProcessor.setReducer( 'background', value => {\n\t\tconst ret = [];\n\n\t\tret.push( [ 'background-color', value.color ] );\n\n\t\treturn ret;\n\t} );\n\n\tstylesProcessor.setStyleRelation( 'background', [ 'background-color' ] );\n}\n\nfunction normalizeBackground( value ) {\n\tconst background = {};\n\n\tconst parts = getShorthandValues( value );\n\n\tfor ( const part of parts ) {\n\t\tif ( isRepeat( part ) ) {\n\t\t\tbackground.repeat = background.repeat || [];\n\t\t\tbackground.repeat.push( part );\n\t\t} else if ( isPosition( part ) ) {\n\t\t\tbackground.position = background.position || [];\n\t\t\tbackground.position.push( part );\n\t\t} else if ( isAttachment( part ) ) {\n\t\t\tbackground.attachment = part;\n\t\t} else if ( isColor( part ) ) {\n\t\t\tbackground.color = part;\n\t\t} else if ( isURL( part ) ) {\n\t\t\tbackground.image = part;\n\t\t}\n\t}\n\n\treturn {\n\t\tpath: 'background',\n\t\tvalue: background\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/styles/border\n */\n\nimport { getShorthandValues, getBoxSidesValueReducer, getBoxSidesValues, isLength, isLineStyle } from './utils';\n\n/**\n * Adds a border CSS styles processing rules.\n *\n *\t\teditor.data.addStyleProcessorRules( addBorderRules );\n *\n * This rules merges all [border](https://developer.mozilla.org/en-US/docs/Web/CSS/border) styles notation shorthands:\n *\n * - border\n * - border-top\n * - border-right\n * - border-bottom\n * - border-left\n * - border-color\n * - border-style\n * - border-width\n *\n * and all corresponding longhand forms (like `border-top-color`, `border-top-style`, etc).\n *\n * It does not handle other shorthands (like `border-radius` or `border-image`).\n *\n * The normalized model stores border values as:\n *\n *\t\tconst styles = {\n *\t\t\tborder: {\n *\t\t\t\tcolor: { top, right, bottom, left },\n *\t\t\t\tstyle: { top, right, bottom, left },\n *\t\t\t\twidth: { top, right, bottom, left },\n *\t\t\t}\n *\t\t};\n *\n * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n */\nexport function addBorderRules( stylesProcessor ) {\n\tstylesProcessor.setNormalizer( 'border', borderNormalizer );\n\n\t// Border-position shorthands.\n\tstylesProcessor.setNormalizer( 'border-top', getBorderPositionNormalizer( 'top' ) );\n\tstylesProcessor.setNormalizer( 'border-right', getBorderPositionNormalizer( 'right' ) );\n\tstylesProcessor.setNormalizer( 'border-bottom', getBorderPositionNormalizer( 'bottom' ) );\n\tstylesProcessor.setNormalizer( 'border-left', getBorderPositionNormalizer( 'left' ) );\n\n\t// Border-property shorthands.\n\tstylesProcessor.setNormalizer( 'border-color', getBorderPropertyNormalizer( 'color' ) );\n\tstylesProcessor.setNormalizer( 'border-width', getBorderPropertyNormalizer( 'width' ) );\n\tstylesProcessor.setNormalizer( 'border-style', getBorderPropertyNormalizer( 'style' ) );\n\n\t// Border longhands.\n\tstylesProcessor.setNormalizer( 'border-top-color', getBorderPropertyPositionNormalizer( 'color', 'top' ) );\n\tstylesProcessor.setNormalizer( 'border-top-style', getBorderPropertyPositionNormalizer( 'style', 'top' ) );\n\tstylesProcessor.setNormalizer( 'border-top-width', getBorderPropertyPositionNormalizer( 'width', 'top' ) );\n\n\tstylesProcessor.setNormalizer( 'border-right-color', getBorderPropertyPositionNormalizer( 'color', 'right' ) );\n\tstylesProcessor.setNormalizer( 'border-right-style', getBorderPropertyPositionNormalizer( 'style', 'right' ) );\n\tstylesProcessor.setNormalizer( 'border-right-width', getBorderPropertyPositionNormalizer( 'width', 'right' ) );\n\n\tstylesProcessor.setNormalizer( 'border-bottom-color', getBorderPropertyPositionNormalizer( 'color', 'bottom' ) );\n\tstylesProcessor.setNormalizer( 'border-bottom-style', getBorderPropertyPositionNormalizer( 'style', 'bottom' ) );\n\tstylesProcessor.setNormalizer( 'border-bottom-width', getBorderPropertyPositionNormalizer( 'width', 'bottom' ) );\n\n\tstylesProcessor.setNormalizer( 'border-left-color', getBorderPropertyPositionNormalizer( 'color', 'left' ) );\n\tstylesProcessor.setNormalizer( 'border-left-style', getBorderPropertyPositionNormalizer( 'style', 'left' ) );\n\tstylesProcessor.setNormalizer( 'border-left-width', getBorderPropertyPositionNormalizer( 'width', 'left' ) );\n\n\tstylesProcessor.setExtractor( 'border-top', getBorderPositionExtractor( 'top' ) );\n\tstylesProcessor.setExtractor( 'border-right', getBorderPositionExtractor( 'right' ) );\n\tstylesProcessor.setExtractor( 'border-bottom', getBorderPositionExtractor( 'bottom' ) );\n\tstylesProcessor.setExtractor( 'border-left', getBorderPositionExtractor( 'left' ) );\n\n\tstylesProcessor.setExtractor( 'border-top-color', 'border.color.top' );\n\tstylesProcessor.setExtractor( 'border-right-color', 'border.color.right' );\n\tstylesProcessor.setExtractor( 'border-bottom-color', 'border.color.bottom' );\n\tstylesProcessor.setExtractor( 'border-left-color', 'border.color.left' );\n\n\tstylesProcessor.setExtractor( 'border-top-width', 'border.width.top' );\n\tstylesProcessor.setExtractor( 'border-right-width', 'border.width.right' );\n\tstylesProcessor.setExtractor( 'border-bottom-width', 'border.width.bottom' );\n\tstylesProcessor.setExtractor( 'border-left-width', 'border.width.left' );\n\n\tstylesProcessor.setExtractor( 'border-top-style', 'border.style.top' );\n\tstylesProcessor.setExtractor( 'border-right-style', 'border.style.right' );\n\tstylesProcessor.setExtractor( 'border-bottom-style', 'border.style.bottom' );\n\tstylesProcessor.setExtractor( 'border-left-style', 'border.style.left' );\n\n\tstylesProcessor.setReducer( 'border-color', getBoxSidesValueReducer( 'border-color' ) );\n\tstylesProcessor.setReducer( 'border-style', getBoxSidesValueReducer( 'border-style' ) );\n\tstylesProcessor.setReducer( 'border-width', getBoxSidesValueReducer( 'border-width' ) );\n\tstylesProcessor.setReducer( 'border-top', getBorderPositionReducer( 'top' ) );\n\tstylesProcessor.setReducer( 'border-right', getBorderPositionReducer( 'right' ) );\n\tstylesProcessor.setReducer( 'border-bottom', getBorderPositionReducer( 'bottom' ) );\n\tstylesProcessor.setReducer( 'border-left', getBorderPositionReducer( 'left' ) );\n\tstylesProcessor.setReducer( 'border', getBorderReducer() );\n\n\tstylesProcessor.setStyleRelation( 'border', [\n\t\t'border-color', 'border-style', 'border-width',\n\t\t'border-top', 'border-right', 'border-bottom', 'border-left',\n\t\t'border-top-color', 'border-right-color', 'border-bottom-color', 'border-left-color',\n\t\t'border-top-style', 'border-right-style', 'border-bottom-style', 'border-left-style',\n\t\t'border-top-width', 'border-right-width', 'border-bottom-width', 'border-left-width'\n\t] );\n\n\tstylesProcessor.setStyleRelation( 'border-color', [\n\t\t'border-top-color', 'border-right-color', 'border-bottom-color', 'border-left-color'\n\t] );\n\tstylesProcessor.setStyleRelation( 'border-style', [\n\t\t'border-top-style', 'border-right-style', 'border-bottom-style', 'border-left-style'\n\t] );\n\tstylesProcessor.setStyleRelation( 'border-width', [\n\t\t'border-top-width', 'border-right-width', 'border-bottom-width', 'border-left-width'\n\t] );\n\n\tstylesProcessor.setStyleRelation( 'border-top', [ 'border-top-color', 'border-top-style', 'border-top-width' ] );\n\tstylesProcessor.setStyleRelation( 'border-right', [ 'border-right-color', 'border-right-style', 'border-right-width' ] );\n\tstylesProcessor.setStyleRelation( 'border-bottom', [ 'border-bottom-color', 'border-bottom-style', 'border-bottom-width' ] );\n\tstylesProcessor.setStyleRelation( 'border-left', [ 'border-left-color', 'border-left-style', 'border-left-width' ] );\n}\n\nfunction borderNormalizer( value ) {\n\tconst { color, style, width } = normalizeBorderShorthand( value );\n\n\treturn {\n\t\tpath: 'border',\n\t\tvalue: {\n\t\t\tcolor: getBoxSidesValues( color ),\n\t\t\tstyle: getBoxSidesValues( style ),\n\t\t\twidth: getBoxSidesValues( width )\n\t\t}\n\t};\n}\n\nfunction getBorderPositionNormalizer( side ) {\n\treturn value => {\n\t\tconst { color, style, width } = normalizeBorderShorthand( value );\n\n\t\tconst border = {};\n\n\t\tif ( color !== undefined ) {\n\t\t\tborder.color = { [ side ]: color };\n\t\t}\n\n\t\tif ( style !== undefined ) {\n\t\t\tborder.style = { [ side ]: style };\n\t\t}\n\n\t\tif ( width !== undefined ) {\n\t\t\tborder.width = { [ side ]: width };\n\t\t}\n\n\t\treturn {\n\t\t\tpath: 'border',\n\t\t\tvalue: border\n\t\t};\n\t};\n}\n\nfunction getBorderPropertyNormalizer( propertyName ) {\n\treturn value => {\n\t\treturn {\n\t\t\tpath: 'border',\n\t\t\tvalue: toBorderPropertyShorthand( value, propertyName )\n\t\t};\n\t};\n}\n\nfunction toBorderPropertyShorthand( value, property ) {\n\treturn {\n\t\t[ property ]: getBoxSidesValues( value )\n\t};\n}\n\nfunction getBorderPropertyPositionNormalizer( property, side ) {\n\treturn value => {\n\t\treturn {\n\t\t\tpath: 'border',\n\t\t\tvalue: {\n\t\t\t\t[ property ]: {\n\t\t\t\t\t[ side ]: value\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t};\n}\n\nfunction getBorderPositionExtractor( which ) {\n\treturn ( name, styles ) => {\n\t\tif ( styles.border ) {\n\t\t\treturn extractBorderPosition( styles.border, which );\n\t\t}\n\t};\n}\n\nfunction extractBorderPosition( border, which ) {\n\tconst value = {};\n\n\tif ( border.width && border.width[ which ] ) {\n\t\tvalue.width = border.width[ which ];\n\t}\n\n\tif ( border.style && border.style[ which ] ) {\n\t\tvalue.style = border.style[ which ];\n\t}\n\n\tif ( border.color && border.color[ which ] ) {\n\t\tvalue.color = border.color[ which ];\n\t}\n\n\treturn value;\n}\n\nfunction normalizeBorderShorthand( string ) {\n\tconst result = {};\n\n\tconst parts = getShorthandValues( string );\n\n\tfor ( const part of parts ) {\n\t\tif ( isLength( part ) || /thin|medium|thick/.test( part ) ) {\n\t\t\tresult.width = part;\n\t\t} else if ( isLineStyle( part ) ) {\n\t\t\tresult.style = part;\n\t\t} else {\n\t\t\tresult.color = part;\n\t\t}\n\t}\n\n\treturn result;\n}\n\n// The border reducer factory.\n//\n// It tries to produce the most optimal output for the specified styles.\n//\n// For a border style:\n//\n//      style: {top: \"solid\", bottom: \"solid\", right: \"solid\", left: \"solid\"}\n//\n// It will produce: `border-style: solid`.\n// For a border style and color:\n//\n//      color: {top: \"#ff0\", bottom: \"#ff0\", right: \"#ff0\", left: \"#ff0\"}\n//      style: {top: \"solid\", bottom: \"solid\", right: \"solid\", left: \"solid\"}\n//\n// It will produce: `border-color: #ff0; border-style: solid`.\n// If all border parameters are specified:\n//\n//      color: {top: \"#ff0\", bottom: \"#ff0\", right: \"#ff0\", left: \"#ff0\"}\n//      style: {top: \"solid\", bottom: \"solid\", right: \"solid\", left: \"solid\"}\n//      width: {top: \"2px\", bottom: \"2px\", right: \"2px\", left: \"2px\"}\n//\n// It will combine everything into a single property: `border: 2px solid #ff0`.\n//\n// The definitions are merged only if all border selectors have the same values.\n//\n// @returns {Function}\nfunction getBorderReducer() {\n\treturn value => {\n\t\tconst topStyles = extractBorderPosition( value, 'top' );\n\t\tconst rightStyles = extractBorderPosition( value, 'right' );\n\t\tconst bottomStyles = extractBorderPosition( value, 'bottom' );\n\t\tconst leftStyles = extractBorderPosition( value, 'left' );\n\n\t\tconst borderStyles = [ topStyles, rightStyles, bottomStyles, leftStyles ];\n\n\t\tconst borderStylesByType = {\n\t\t\twidth: getReducedStyleValueForType( borderStyles, 'width' ),\n\t\t\tstyle: getReducedStyleValueForType( borderStyles, 'style' ),\n\t\t\tcolor: getReducedStyleValueForType( borderStyles, 'color' )\n\t\t};\n\n\t\t// Try reducing to a single `border:` property.\n\t\tconst reducedBorderStyle = reduceBorderPosition( borderStylesByType, 'all' );\n\n\t\tif ( reducedBorderStyle.length ) {\n\t\t\treturn reducedBorderStyle;\n\t\t}\n\n\t\t// Try reducing to `border-style:`, `border-width:`, `border-color:` properties.\n\t\tconst reducedStyleTypes = Object.entries( borderStylesByType ).reduce( ( reducedStyleTypes, [ type, value ] ) => {\n\t\t\tif ( value ) {\n\t\t\t\treducedStyleTypes.push( [ `border-${ type }`, value ] );\n\n\t\t\t\t// Remove it from the full set to not include it in the most specific properties later.\n\t\t\t\tborderStyles.forEach( style => ( style[ type ] = null ) );\n\t\t\t}\n\n\t\t\treturn reducedStyleTypes;\n\t\t}, [] );\n\n\t\t// The reduced properties (by type) and all that remains that could not be reduced.\n\t\treturn [\n\t\t\t...reducedStyleTypes,\n\t\t\t...reduceBorderPosition( topStyles, 'top' ),\n\t\t\t...reduceBorderPosition( rightStyles, 'right' ),\n\t\t\t...reduceBorderPosition( bottomStyles, 'bottom' ),\n\t\t\t...reduceBorderPosition( leftStyles, 'left' )\n\t\t];\n\t};\n\n\t// @param {Array.<Object>} styles The array of objects with `style`, `color`, `width` properties.\n\t// @param {'width'|'style'|'color'} type\n\tfunction getReducedStyleValueForType( styles, type ) {\n\t\treturn styles\n\t\t\t.map( style => style[ type ] )\n\t\t\t.reduce( ( result, style ) => result == style ? result : null );\n\t}\n}\n\nfunction getBorderPositionReducer( which ) {\n\treturn value => reduceBorderPosition( value, which );\n}\n\n// Returns an array with reduced border styles depending on the specified values.\n//\n// If all border properties (width, style, color) are specified, the returned selector will be\n// merged into a group: `border-*: [width] [style] [color]`.\n//\n// Otherwise, the specific definitions will be returned: `border-(width|style|color)-*: [value]`.\n//\n// @param {Object|null} value Styles if defined.\n// @param {'top'|'right'|'bottom'|'left'|'all'} which The border position.\n// @returns {Array}\nfunction reduceBorderPosition( value, which ) {\n\tconst borderTypes = [];\n\n\tif ( value && value.width ) {\n\t\tborderTypes.push( 'width' );\n\t}\n\n\tif ( value && value.style ) {\n\t\tborderTypes.push( 'style' );\n\t}\n\n\tif ( value && value.color ) {\n\t\tborderTypes.push( 'color' );\n\t}\n\n\tif ( borderTypes.length == 3 ) {\n\t\tconst borderValue = borderTypes.map( item => value[ item ] ).join( ' ' );\n\n\t\treturn [\n\t\t\twhich == 'all' ? [ 'border', borderValue ] : [ `border-${ which }`, borderValue ]\n\t\t];\n\t}\n\n\t// We are unable to reduce to a single `border:` property.\n\tif ( which == 'all' ) {\n\t\treturn [];\n\t}\n\n\treturn borderTypes.map( type => {\n\t\treturn [ `border-${ which }-${ type }`, value[ type ] ];\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module engine/view/styles/padding\n */\n\nimport { getPositionShorthandNormalizer, getBoxSidesValueReducer } from './utils';\n\n/**\n * Adds a margin CSS styles processing rules.\n *\n *\t\teditor.data.addStyleProcessorRules( addPaddingRules );\n *\n * The normalized value is stored as:\n *\n *\t\tconst styles = {\n *\t\t\tpadding: {\n *\t\t\t\ttop,\n *\t\t\t\tright,\n *\t\t\t\tbottom,\n *\t\t\t\tleft\n *\t\t\t}\n *\t\t};\n *\n * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n */\nexport function addPaddingRules( stylesProcessor ) {\n\tstylesProcessor.setNormalizer( 'padding', getPositionShorthandNormalizer( 'padding' ) );\n\tstylesProcessor.setNormalizer( 'padding-top', value => ( { path: 'padding.top', value } ) );\n\tstylesProcessor.setNormalizer( 'padding-right', value => ( { path: 'padding.right', value } ) );\n\tstylesProcessor.setNormalizer( 'padding-bottom', value => ( { path: 'padding.bottom', value } ) );\n\tstylesProcessor.setNormalizer( 'padding-left', value => ( { path: 'padding.left', value } ) );\n\n\tstylesProcessor.setReducer( 'padding', getBoxSidesValueReducer( 'padding' ) );\n\n\tstylesProcessor.setStyleRelation( 'padding', [ 'padding-top', 'padding-right', 'padding-bottom', 'padding-left' ] );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module editor-decoupled/decouplededitorui\n */\n\nimport { EditorUI } from 'ckeditor5/src/core';\nimport { enableToolbarKeyboardFocus } from 'ckeditor5/src/ui';\nimport { enablePlaceholder } from 'ckeditor5/src/engine';\n\n/**\n * The decoupled editor UI class.\n *\n * @extends module:core/editor/editorui~EditorUI\n */\nexport default class DecoupledEditorUI extends EditorUI {\n\t/**\n\t * Creates an instance of the decoupled editor UI class.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t * @param {module:ui/editorui/editoruiview~EditorUIView} view The view of the UI.\n\t */\n\tconstructor( editor, view ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The main (top–most) view of the editor UI.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/editorui/editoruiview~EditorUIView} #view\n\t\t */\n\t\tthis.view = view;\n\t}\n\n\t/**\n\t * Initializes the UI.\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = this.view;\n\t\tconst editingView = editor.editing.view;\n\t\tconst editable = view.editable;\n\t\tconst editingRoot = editingView.document.getRoot();\n\n\t\t// The editable UI and editing root should share the same name. Then name is used\n\t\t// to recognize the particular editable, for instance in ARIA attributes.\n\t\tview.editable.name = editingRoot.rootName;\n\n\t\tview.render();\n\n\t\t// The editable UI element in DOM is available for sure only after the editor UI view has been rendered.\n\t\t// But it can be available earlier if a DOM element has been passed to DecoupledEditor.create().\n\t\tconst editableElement = editable.element;\n\n\t\t// Register the editable UI view in the editor. A single editor instance can aggregate multiple\n\t\t// editable areas (roots) but the decoupled editor has only one.\n\t\tthis.setEditableElement( editable.name, editableElement );\n\n\t\t// Let the global focus tracker know that the editable UI element is focusable and\n\t\t// belongs to the editor. From now on, the focus tracker will sustain the editor focus\n\t\t// as long as the editable is focused (e.g. the user is typing).\n\t\tthis.focusTracker.add( editableElement );\n\n\t\t// Let the editable UI element respond to the changes in the global editor focus\n\t\t// tracker. It has been added to the same tracker a few lines above but, in reality, there are\n\t\t// many focusable areas in the editor, like balloons, toolbars or dropdowns and as long\n\t\t// as they have focus, the editable should act like it is focused too (although technically\n\t\t// it isn't), e.g. by setting the proper CSS class, visually announcing focus to the user.\n\t\t// Doing otherwise will result in editable focus styles disappearing, once e.g. the\n\t\t// toolbar gets focused.\n\t\tview.editable.bind( 'isFocused' ).to( this.focusTracker );\n\n\t\t// Bind the editable UI element to the editing view, making it an end– and entry–point\n\t\t// of the editor's engine. This is where the engine meets the UI.\n\t\teditingView.attachDomRoot( editableElement );\n\n\t\tthis._initPlaceholder();\n\t\tthis._initToolbar();\n\t\tthis.fire( 'ready' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tconst view = this.view;\n\t\tconst editingView = this.editor.editing.view;\n\n\t\teditingView.detachDomRoot( view.editable.name );\n\t\tview.destroy();\n\n\t\tsuper.destroy();\n\t}\n\n\t/**\n\t * Initializes the inline editor toolbar and its panel.\n\t *\n\t * @private\n\t */\n\t_initToolbar() {\n\t\tconst editor = this.editor;\n\t\tconst view = this.view;\n\t\tconst toolbar = view.toolbar;\n\n\t\ttoolbar.fillFromConfig( editor.config.get( 'toolbar' ), this.componentFactory );\n\n\t\tenableToolbarKeyboardFocus( {\n\t\t\torigin: editor.editing.view,\n\t\t\toriginFocusTracker: this.focusTracker,\n\t\t\toriginKeystrokeHandler: editor.keystrokes,\n\t\t\ttoolbar\n\t\t} );\n\t}\n\n\t/**\n\t * Enable the placeholder text on the editing root, if any was configured.\n\t *\n\t * @private\n\t */\n\t_initPlaceholder() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\t\tconst editingRoot = editingView.document.getRoot();\n\t\tconst sourceElement = editor.sourceElement;\n\n\t\tconst placeholderText = editor.config.get( 'placeholder' ) ||\n\t\t\tsourceElement && sourceElement.tagName.toLowerCase() === 'textarea' && sourceElement.getAttribute( 'placeholder' );\n\n\t\tif ( placeholderText ) {\n\t\t\tenablePlaceholder( {\n\t\t\t\tview: editingView,\n\t\t\t\telement: editingRoot,\n\t\t\t\ttext: placeholderText,\n\t\t\t\tisDirectHost: false,\n\t\t\t\tkeepOnFocus: true\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module ui/toolbar/enabletoolbarkeyboardfocus\n */\n\n/**\n * Enables focus/blur toolbar navigation using `Alt+F10` and `Esc` keystrokes.\n *\n * @param {Object} options Options of the utility.\n * @param {*} options.origin A view to which the focus will return when `Esc` is pressed and\n * `options.toolbar` is focused.\n * @param {module:utils/keystrokehandler~KeystrokeHandler} options.originKeystrokeHandler A keystroke\n * handler to register `Alt+F10` keystroke.\n * @param {module:utils/focustracker~FocusTracker} options.originFocusTracker A focus tracker\n * for `options.origin`.\n * @param {module:ui/toolbar/toolbarview~ToolbarView} options.toolbar A toolbar which is to gain\n * focus when `Alt+F10` is pressed.\n * @param {Function} [options.beforeFocus] A callback executed before the `options.toolbar` gains focus\n * upon the `Alt+F10` keystroke.\n * @param {Function} [options.afterBlur] A callback executed after `options.toolbar` loses focus upon\n * `Esc` keystroke but before the focus goes back to `options.origin`.\n */\nexport default function enableToolbarKeyboardFocus( {\n\torigin,\n\toriginKeystrokeHandler,\n\toriginFocusTracker,\n\ttoolbar,\n\tbeforeFocus,\n\tafterBlur\n} ) {\n\t// Because toolbar items can get focus, the overall state of the toolbar must\n\t// also be tracked.\n\toriginFocusTracker.add( toolbar.element );\n\n\t// Focus the toolbar on the keystroke, if not already focused.\n\toriginKeystrokeHandler.set( 'Alt+F10', ( data, cancel ) => {\n\t\tif ( originFocusTracker.isFocused && !toolbar.focusTracker.isFocused ) {\n\t\t\tif ( beforeFocus ) {\n\t\t\t\tbeforeFocus();\n\t\t\t}\n\n\t\t\ttoolbar.focus();\n\n\t\t\tcancel();\n\t\t}\n\t} );\n\n\t// Blur the toolbar and bring the focus back to origin.\n\ttoolbar.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\tif ( toolbar.focusTracker.isFocused ) {\n\t\t\torigin.focus();\n\n\t\t\tif ( afterBlur ) {\n\t\t\t\tafterBlur();\n\t\t\t}\n\n\t\t\tcancel();\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module editor-decoupled/decouplededitoruiview\n */\n\nimport { EditorUIView, InlineEditableUIView, ToolbarView } from 'ckeditor5/src/ui';\n\n/**\n * The decoupled editor UI view. It is a virtual view providing an inline\n * {@link module:editor-decoupled/decouplededitoruiview~DecoupledEditorUIView#editable} and a\n * {@link module:editor-decoupled/decouplededitoruiview~DecoupledEditorUIView#toolbar}, but without any\n * specific arrangement of the components in the DOM.\n *\n * See {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`}\n * to learn more about this view.\n *\n * @extends module:ui/editorui/editoruiview~EditorUIView\n */\nexport default class DecoupledEditorUIView extends EditorUIView {\n\t/**\n\t * Creates an instance of the decoupled editor UI view.\n\t *\n\t * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n\t * @param {module:engine/view/view~View} editingView The editing view instance this view is related to.\n\t * @param {Object} [options={}] Configuration options for the view instance.\n\t * @param {HTMLElement} [options.editableElement] The editable element. If not specified, it will be automatically created by\n\t * {@link module:ui/editableui/editableuiview~EditableUIView}. Otherwise, the given element will be used.\n\t * @param {Boolean} [options.shouldToolbarGroupWhenFull] When set `true` enables automatic items grouping\n\t * in the main {@link module:editor-decoupled/decouplededitoruiview~DecoupledEditorUIView#toolbar toolbar}.\n\t * See {@link module:ui/toolbar/toolbarview~ToolbarOptions#shouldGroupWhenFull} to learn more.\n\t */\n\tconstructor( locale, editingView, options = {} ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The main toolbar of the decoupled editor UI.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbarview~ToolbarView}\n\t\t */\n\t\tthis.toolbar = new ToolbarView( locale, {\n\t\t\tshouldGroupWhenFull: options.shouldToolbarGroupWhenFull\n\t\t} );\n\n\t\t/**\n\t\t * The editable of the decoupled editor UI.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/editableui/inline/inlineeditableuiview~InlineEditableUIView}\n\t\t */\n\t\tthis.editable = new InlineEditableUIView( locale, editingView, options.editableElement );\n\n\t\t// This toolbar may be placed anywhere in the page so things like font size need to be reset in it.\n\t\t// Because of the above, make sure the toolbar supports rounded corners.\n\t\t// Also, make sure the toolbar has the proper dir attribute because its ancestor may not have one\n\t\t// and some toolbar item styles depend on this attribute.\n\t\tthis.toolbar.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-reset_all',\n\t\t\t\t\t'ck-rounded-corners'\n\t\t\t\t],\n\t\t\t\tdir: locale.uiLanguageDirection\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.registerChild( [ this.toolbar, this.editable ] );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module editor-decoupled/decouplededitor\n */\n\nimport { Editor, DataApiMixin, secureSourceElement } from 'ckeditor5/src/core';\nimport { CKEditorError, getDataFromElement, setDataInElement, mix } from 'ckeditor5/src/utils';\n\nimport { isElement } from 'lodash-es';\n\nimport DecoupledEditorUI from './decouplededitorui';\nimport DecoupledEditorUIView from './decouplededitoruiview';\n\n/**\n * The {@glink builds/guides/predefined-builds/overview#document-editor decoupled editor} implementation.\n * It provides an inline editable and a toolbar. However, unlike other editors,\n * it does not render these components anywhere in the DOM unless configured.\n *\n * This type of an editor is dedicated to integrations which require a customized UI with an open\n * structure, allowing developers to specify the exact location of the interface.\n *\n * See the document editor {@glink examples/builds/document-editor demo} to learn about possible use cases\n * for the decoupled editor.\n *\n * In order to create a decoupled editor instance, use the static\n * {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`} method.\n *\n * # Decoupled editor and document editor build\n *\n * The decoupled editor can be used directly from source (if you installed the\n * [`@ckeditor/ckeditor5-editor-decoupled`](https://www.npmjs.com/package/@ckeditor/ckeditor5-editor-decoupled) package)\n * but it is also available in the {@glink builds/guides/predefined-builds/overview#document-editor document editor build}.\n *\n * {@glink builds/guides/predefined-builds/overview Builds} are ready-to-use editors with plugins bundled in. When using the editor from\n * source you need to take care of loading all plugins by yourself\n * (through the {@link module:core/editor/editorconfig~EditorConfig#plugins `config.plugins`} option).\n * Using the editor from source gives much better flexibility and allows for easier customization.\n *\n * Read more about initializing the editor from source or as a build in\n * {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`}.\n *\n * @mixes module:core/editor/utils/dataapimixin~DataApiMixin\n * @implements module:core/editor/editorwithui~EditorWithUI\n * @extends module:core/editor/editor~Editor\n */\nexport default class DecoupledEditor extends Editor {\n\t/**\n\t * Creates an instance of the decoupled editor.\n\t *\n\t * **Note:** Do not use the constructor to create editor instances. Use the static\n\t * {@link module:editor-decoupled/decouplededitor~DecoupledEditor.create `DecoupledEditor.create()`} method instead.\n\t *\n\t * @protected\n\t * @param {HTMLElement|String} sourceElementOrData The DOM element that will be the source for the created editor\n\t * (on which the editor will be initialized) or initial data for the editor. For more information see\n\t * {@link module:editor-balloon/ballooneditor~BalloonEditor.create `BalloonEditor.create()`}.\n\t * @param {module:core/editor/editorconfig~EditorConfig} config The editor configuration.\n\t */\n\tconstructor( sourceElementOrData, config ) {\n\t\tsuper( config );\n\n\t\tif ( isElement( sourceElementOrData ) ) {\n\t\t\tthis.sourceElement = sourceElementOrData;\n\t\t\tsecureSourceElement( this );\n\t\t}\n\n\t\tthis.model.document.createRoot();\n\n\t\tconst shouldToolbarGroupWhenFull = !this.config.get( 'toolbar.shouldNotGroupWhenFull' );\n\t\tconst view = new DecoupledEditorUIView( this.locale, this.editing.view, {\n\t\t\teditableElement: this.sourceElement,\n\t\t\tshouldToolbarGroupWhenFull\n\t\t} );\n\n\t\tthis.ui = new DecoupledEditorUI( this, view );\n\t}\n\n\t/**\n\t * Destroys the editor instance, releasing all resources used by it.\n\t *\n\t * **Note**: The decoupled editor does not remove the toolbar and editable when destroyed. You can\n\t * do that yourself in the destruction chain:\n\t *\n\t *\t\teditor.destroy()\n\t *\t\t\t.then( () => {\n\t *\t\t\t\t// Remove the toolbar from DOM.\n\t *\t\t\t\teditor.ui.view.toolbar.element.remove();\n\t *\n\t *\t\t\t\t// Remove the editable from DOM.\n\t *\t\t\t\teditor.ui.view.editable.element.remove();\n\t *\n\t *\t\t\t\tconsole.log( 'Editor was destroyed' );\n\t *\t\t\t} );\n\t *\n\t * @returns {Promise}\n\t */\n\tdestroy() {\n\t\t// Cache the data, then destroy.\n\t\t// It's safe to assume that the model->view conversion will not work after super.destroy().\n\t\tconst data = this.getData();\n\n\t\tthis.ui.destroy();\n\n\t\treturn super.destroy()\n\t\t\t.then( () => {\n\t\t\t\tif ( this.sourceElement ) {\n\t\t\t\t\tsetDataInElement( this.sourceElement, data );\n\t\t\t\t}\n\t\t\t} );\n\t}\n\n\t/**\n\t * Creates a new decoupled editor instance.\n\t *\n\t * Remember that `DecoupledEditor` does not append the toolbar element to your web page so you have to do it manually after the editor\n\t * has been initialized.\n\t *\n\t * There are two ways how the editor can be initialized.\n\t *\n\t * # Using an existing DOM element (and loading data from it)\n\t *\n\t * You can initialize the editor using an existing DOM element:\n\t *\n\t *\t\tDecoupledEditor\n\t *\t\t\t.create( document.querySelector( '#editor' ) )\n\t *\t\t\t.then( editor => {\n\t *\t\t\t\tconsole.log( 'Editor was initialized', editor );\n\t *\n\t *\t\t\t\t// Append the toolbar to the <body> element.\n\t *\t\t\t\tdocument.body.appendChild( editor.ui.view.toolbar.element );\n\t *\t\t\t} )\n\t *\t\t\t.catch( err => {\n\t *\t\t\t\tconsole.error( err.stack );\n\t *\t\t\t} );\n\t *\n\t * The element's content will be used as the editor data and the element will become the editable element.\n\t *\n\t * # Creating a detached editor\n\t *\n\t * Alternatively, you can initialize the editor by passing the initial data directly as a string.\n\t * In this case, you will have to manually append both the toolbar element and the editable element to your web page.\n\t *\n\t *\t\tDecoupledEditor\n\t *\t\t\t.create( '<p>Hello world!</p>' )\n\t *\t\t\t.then( editor => {\n\t *\t\t\t\tconsole.log( 'Editor was initialized', editor );\n\t *\n\t *\t\t\t\t// Append the toolbar to the <body> element.\n\t *\t\t\t\tdocument.body.appendChild( editor.ui.view.toolbar.element );\n\t *\n\t *\t\t\t\t// Initial data was provided so the editor UI element needs to be added manually to the DOM.\n\t *\t\t\t\tdocument.body.appendChild( editor.ui.getEditableElement() );\n\t *\t\t\t} )\n\t *\t\t\t.catch( err => {\n\t *\t\t\t\tconsole.error( err.stack );\n\t *\t\t\t} );\n\t *\n\t * This lets you dynamically append the editor to your web page whenever it is convenient for you. You may use this method if your\n\t * web page content is generated on the client side and the DOM structure is not ready at the moment when you initialize the editor.\n\t *\n\t * # Using an existing DOM element (and data provided in `config.initialData`)\n\t *\n\t * You can also mix these two ways by providing a DOM element to be used and passing the initial data through the configuration:\n\t *\n\t *\t\tDecoupledEditor\n\t *\t\t\t.create( document.querySelector( '#editor' ), {\n\t *\t\t\t\tinitialData: '<h2>Initial data</h2><p>Foo bar.</p>'\n\t *\t\t\t} )\n\t *\t\t\t.then( editor => {\n\t *\t\t\t\tconsole.log( 'Editor was initialized', editor );\n\t *\n\t *\t\t\t\t// Append the toolbar to the <body> element.\n\t *\t\t\t\tdocument.body.appendChild( editor.ui.view.toolbar.element );\n\t *\t\t\t} )\n\t *\t\t\t.catch( err => {\n\t *\t\t\t\tconsole.error( err.stack );\n\t *\t\t\t} );\n\t *\n\t * This method can be used to initialize the editor on an existing element with the specified content in case if your integration\n\t * makes it difficult to set the content of the source element.\n\t *\n\t * Note that an error will be thrown if you pass the initial data both as the first parameter and also in the configuration.\n\t *\n\t * # Configuring the editor\n\t *\n\t * See the {@link module:core/editor/editorconfig~EditorConfig editor configuration documentation} to learn more about\n\t * customizing plugins, toolbar and more.\n\t *\n\t * # Using the editor from source\n\t *\n\t * The code samples listed in the previous sections of this documentation assume that you are using an\n\t * {@glink builds/guides/predefined-builds/overview editor build} (for example – `@ckeditor/ckeditor5-build-decoupled`).\n\t *\n\t * If you want to use the decoupled editor from source (`@ckeditor/ckeditor5-editor-decoupled/src/decouplededitor`),\n\t * you need to define the list of\n\t * {@link module:core/editor/editorconfig~EditorConfig#plugins plugins to be initialized} and\n\t * {@link module:core/editor/editorconfig~EditorConfig#toolbar toolbar items}. Read more about using the editor from\n\t * source in the {@glink builds/guides/integration/advanced-setup \"Advanced setup\" guide}.\n\t *\n\t * @param {HTMLElement|String} sourceElementOrData The DOM element that will be the source for the created editor\n\t * or the editor's initial data.\n\t *\n\t * If a DOM element is passed, its content will be automatically loaded to the editor upon initialization.\n\t * Moreover, the editor data will be set back to the original element once the editor is destroyed.\n\t *\n\t * If the initial data is passed, a detached editor will be created. In this case you need to insert it into the DOM manually.\n\t * It is available via\n\t * {@link module:editor-decoupled/decouplededitorui~DecoupledEditorUI#getEditableElement `editor.ui.getEditableElement()`}.\n\t *\n\t * @param {module:core/editor/editorconfig~EditorConfig} [config] The editor configuration.\n\t * @returns {Promise} A promise resolved once the editor is ready. The promise resolves with the created editor instance.\n\t */\n\tstatic create( sourceElementOrData, config = {} ) {\n\t\treturn new Promise( resolve => {\n\t\t\tconst isHTMLElement = isElement( sourceElementOrData );\n\n\t\t\tif ( isHTMLElement && sourceElementOrData.tagName === 'TEXTAREA' ) {\n\t\t\t\t// Documented in core/editor/editor.js\n\t\t\t\t// eslint-disable-next-line ckeditor5-rules/ckeditor-error-message\n\t\t\t\tthrow new CKEditorError( 'editor-wrong-element', null );\n\t\t\t}\n\n\t\t\tconst editor = new this( sourceElementOrData, config );\n\n\t\t\tresolve(\n\t\t\t\teditor.initPlugins()\n\t\t\t\t\t.then( () => {\n\t\t\t\t\t\teditor.ui.init();\n\t\t\t\t\t} )\n\t\t\t\t\t.then( () => {\n\t\t\t\t\t\tif ( !isHTMLElement && config.initialData ) {\n\t\t\t\t\t\t\t// Documented in core/editor/editorconfig.jdoc.\n\t\t\t\t\t\t\t// eslint-disable-next-line ckeditor5-rules/ckeditor-error-message\n\t\t\t\t\t\t\tthrow new CKEditorError( 'editor-create-initial-data', null );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst initialData = config.initialData !== undefined ? config.initialData : getInitialData( sourceElementOrData );\n\n\t\t\t\t\t\treturn editor.data.init( initialData );\n\t\t\t\t\t} )\n\t\t\t\t\t.then( () => editor.fire( 'ready' ) )\n\t\t\t\t\t.then( () => editor )\n\t\t\t);\n\t\t} );\n\t}\n}\n\nmix( DecoupledEditor, DataApiMixin );\n\nfunction getInitialData( sourceElementOrData ) {\n\treturn isElement( sourceElementOrData ) ? getDataFromElement( sourceElementOrData ) : sourceElementOrData;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * @module core/editor/utils/securesourceelement\n */\n\n/**\n * Marks the source element on which the editor was initialized. This prevents other editor instances from using this element.\n *\n * Running multiple editor instances on the same source element causes various issues and it is\n * crucial this helper is called as soon as the source element is known to prevent collisions.\n *\n * @param {module:core/editor/editor~Editor} editor Editor instance.\n */\nexport default function secureSourceElement( editor ) {\n\tconst sourceElement = editor.sourceElement;\n\n\t// If the editor was initialized without specifying an element, we don't need to secure anything.\n\tif ( !sourceElement ) {\n\t\treturn;\n\t}\n\n\tif ( sourceElement.ckeditorInstance ) {\n\t\t/**\n\t\t * A DOM element used to create the editor (e.g.\n\t\t * {@link module:editor-inline/inlineeditor~InlineEditor.create `InlineEditor.create()`})\n\t\t * has already been used to create another editor instance. Make sure each editor is\n\t\t * created with an unique DOM element.\n\t\t *\n\t\t * @error editor-source-element-already-used\n\t\t * @param {HTMLElement} element DOM element that caused the collision.\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'editor-source-element-already-used',\n\t\t\teditor\n\t\t);\n\t}\n\n\tsourceElement.ckeditorInstance = editor;\n\n\teditor.once( 'destroy', () => {\n\t\tdelete sourceElement.ckeditorInstance;\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals HTMLTextAreaElement */\n\n/**\n * @module utils/dom/getdatafromelement\n */\n\n/**\n * Gets data from a given source element.\n *\n * @param {HTMLElement} el The element from which the data will be retrieved.\n * @returns {String} The data string.\n */\nexport default function getDataFromElement( el ) {\n\tif ( el instanceof HTMLTextAreaElement ) {\n\t\treturn el.value;\n\t}\n\n\treturn el.innerHTML;\n}\n","import debounce from './debounce.js';\nimport isObject from './isObject.js';\n\n/** Error message constants. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n *  Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n *  Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\nfunction throttle(func, wait, options) {\n  var leading = true,\n      trailing = true;\n\n  if (typeof func != 'function') {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  if (isObject(options)) {\n    leading = 'leading' in options ? !!options.leading : leading;\n    trailing = 'trailing' in options ? !!options.trailing : trailing;\n  }\n  return debounce(func, wait, {\n    'leading': leading,\n    'maxWait': wait,\n    'trailing': trailing\n  });\n}\n\nexport default throttle;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module watchdog/utils/getsubnodes\n */\n\n/* globals EventTarget, Event */\n\nexport default function getSubNodes( head, excludedProperties = new Set() ) {\n\tconst nodes = [ head ];\n\n\t// @if CK_DEBUG_WATCHDOG // const prevNodeMap = new Map();\n\n\t// Nodes are stored to prevent infinite looping.\n\tconst subNodes = new Set();\n\n\twhile ( nodes.length > 0 ) {\n\t\tconst node = nodes.shift();\n\n\t\tif ( subNodes.has( node ) || shouldNodeBeSkipped( node ) || excludedProperties.has( node ) ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tsubNodes.add( node );\n\n\t\t// Handle arrays, maps, sets, custom collections that implements `[ Symbol.iterator ]()`, etc.\n\t\tif ( node[ Symbol.iterator ] ) {\n\t\t\t// The custom editor iterators might cause some problems if the editor is crashed.\n\t\t\ttry {\n\t\t\t\tfor ( const n of node ) {\n\t\t\t\t\tnodes.push( n );\n\n\t\t\t\t\t// @if CK_DEBUG_WATCHDOG // if ( !prevNodeMap.has( n ) ) {\n\t\t\t\t\t// @if CK_DEBUG_WATCHDOG // \tprevNodeMap.set( n, node );\n\t\t\t\t\t// @if CK_DEBUG_WATCHDOG // }\n\t\t\t\t}\n\t\t\t} catch ( err ) {\n\t\t\t\t// Do not log errors for broken structures\n\t\t\t\t// since we are in the error handling process already.\n\t\t\t\t// eslint-disable-line no-empty\n\t\t\t}\n\t\t} else {\n\t\t\tfor ( const key in node ) {\n\t\t\t\t// We share a reference via the protobuf library within the editors,\n\t\t\t\t// hence the shared value should be skipped. Although, it's not a perfect\n\t\t\t\t// solution since new places like that might occur in the future.\n\t\t\t\tif ( key === 'defaultValue' ) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tnodes.push( node[ key ] );\n\n\t\t\t\t// @if CK_DEBUG_WATCHDOG // if ( !prevNodeMap.has( node[ key ] ) ) {\n\t\t\t\t// @if CK_DEBUG_WATCHDOG // \tprevNodeMap.set( node[ key ], node );\n\t\t\t\t// @if CK_DEBUG_WATCHDOG // }\n\t\t\t}\n\t\t}\n\t}\n\n\t// @if CK_DEBUG_WATCHDOG // return { subNodes, prevNodeMap };\n\n\treturn subNodes;\n}\n\nfunction shouldNodeBeSkipped( node ) {\n\tconst type = Object.prototype.toString.call( node );\n\tconst typeOfNode = typeof node;\n\n\treturn (\n\t\ttypeOfNode === 'number' ||\n\t\ttypeOfNode === 'boolean' ||\n\t\ttypeOfNode === 'string' ||\n\t\ttypeOfNode === 'symbol' ||\n\t\ttypeOfNode === 'function' ||\n\t\ttype === '[object Date]' ||\n\t\ttype === '[object RegExp]' ||\n\t\ttype === '[object Module]' ||\n\n\t\tnode === undefined ||\n\t\tnode === null ||\n\n\t\t// Skip native DOM objects, e.g. Window, nodes, events, etc.\n\t\tnode instanceof EventTarget ||\n\t\tnode instanceof Event\n\t);\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/highlightstack\n */\n\nimport EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Class used to handle correct order of highlights on elements.\n *\n * When different highlights are applied to same element correct order should be preserved:\n *\n * * highlight with highest priority should be applied,\n * * if two highlights have same priority - sort by CSS class provided in\n * {@link module:engine/conversion/downcasthelpers~HighlightDescriptor}.\n *\n * This way, highlight will be applied with the same rules it is applied on texts.\n */\nexport default class HighlightStack {\n\t/**\n\t * Creates class instance.\n\t */\n\tconstructor() {\n\t\tthis._stack = [];\n\t}\n\n\t/**\n\t * Adds highlight descriptor to the stack.\n\t *\n\t * @fires change:top\n\t * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} descriptor\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n\t */\n\tadd( descriptor, writer ) {\n\t\tconst stack = this._stack;\n\n\t\t// Save top descriptor and insert new one. If top is changed - fire event.\n\t\tconst oldTop = stack[ 0 ];\n\t\tthis._insertDescriptor( descriptor );\n\t\tconst newTop = stack[ 0 ];\n\n\t\t// When new object is at the top and stores different information.\n\t\tif ( oldTop !== newTop && !compareDescriptors( oldTop, newTop ) ) {\n\t\t\tthis.fire( 'change:top', {\n\t\t\t\toldDescriptor: oldTop,\n\t\t\t\tnewDescriptor: newTop,\n\t\t\t\twriter\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Removes highlight descriptor from the stack.\n\t *\n\t * @fires change:top\n\t * @param {String} id Id of the descriptor to remove.\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n\t */\n\tremove( id, writer ) {\n\t\tconst stack = this._stack;\n\n\t\tconst oldTop = stack[ 0 ];\n\t\tthis._removeDescriptor( id );\n\t\tconst newTop = stack[ 0 ];\n\n\t\t// When new object is at the top and stores different information.\n\t\tif ( oldTop !== newTop && !compareDescriptors( oldTop, newTop ) ) {\n\t\t\tthis.fire( 'change:top', {\n\t\t\t\toldDescriptor: oldTop,\n\t\t\t\tnewDescriptor: newTop,\n\t\t\t\twriter\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Inserts given descriptor in correct place in the stack. It also takes care about updating information when\n\t * descriptor with same id is already present.\n\t *\n\t * @private\n\t * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} descriptor\n\t */\n\t_insertDescriptor( descriptor ) {\n\t\tconst stack = this._stack;\n\t\tconst index = stack.findIndex( item => item.id === descriptor.id );\n\n\t\t// Inserting exact same descriptor - do nothing.\n\t\tif ( compareDescriptors( descriptor, stack[ index ] ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If descriptor with same id but with different information is on the stack - remove it.\n\t\tif ( index > -1 ) {\n\t\t\tstack.splice( index, 1 );\n\t\t}\n\n\t\t// Find correct place to insert descriptor in the stack.\n\t\t// It have different information (for example priority) so it must be re-inserted in correct place.\n\t\tlet i = 0;\n\n\t\twhile ( stack[ i ] && shouldABeBeforeB( stack[ i ], descriptor ) ) {\n\t\t\ti++;\n\t\t}\n\n\t\tstack.splice( i, 0, descriptor );\n\t}\n\n\t/**\n\t * Removes descriptor with given id from the stack.\n\t *\n\t * @private\n\t * @param {String} id Descriptor's id.\n\t */\n\t_removeDescriptor( id ) {\n\t\tconst stack = this._stack;\n\t\tconst index = stack.findIndex( item => item.id === id );\n\n\t\t// If descriptor with same id is on the list - remove it.\n\t\tif ( index > -1 ) {\n\t\t\tstack.splice( index, 1 );\n\t\t}\n\t}\n}\n\nmix( HighlightStack, EmitterMixin );\n\n// Compares two descriptors by checking their priority and class list.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} a\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} b\n// @returns {Boolean} Returns true if both descriptors are defined and have same priority and classes.\nfunction compareDescriptors( a, b ) {\n\treturn a && b && a.priority == b.priority && classesToString( a.classes ) == classesToString( b.classes );\n}\n\n// Checks whenever first descriptor should be placed in the stack before second one.\n//\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} a\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} b\n// @returns {Boolean}\nfunction shouldABeBeforeB( a, b ) {\n\tif ( a.priority > b.priority ) {\n\t\treturn true;\n\t} else if ( a.priority < b.priority ) {\n\t\treturn false;\n\t}\n\n\t// When priorities are equal and names are different - use classes to compare.\n\treturn classesToString( a.classes ) > classesToString( b.classes );\n}\n\n// Converts CSS classes passed with {@link module:engine/conversion/downcasthelpers~HighlightDescriptor} to\n// sorted string.\n//\n// @param {String|Array<String>} descriptor\n// @returns {String}\nfunction classesToString( classes ) {\n\treturn Array.isArray( classes ) ? classes.sort().join( ',' ) : classes;\n}\n\n/**\n * Fired when top element on {@link module:widget/highlightstack~HighlightStack} has been changed\n *\n * @event change:top\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} [data.newDescriptor] New highlight\n * descriptor. It will be `undefined` when last descriptor is removed from the stack.\n * @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} [data.oldDescriptor] Old highlight\n * descriptor. It will be `undefined` when first descriptor is added to the stack.\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer View writer that can be used to modify element.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgettypearound/utils\n */\n\nimport { isWidget } from '../utils';\n\n/**\n * The name of the type around model selection attribute responsible for\n * displaying a fake caret next to a selected widget.\n */\nexport const TYPE_AROUND_SELECTION_ATTRIBUTE = 'widget-type-around';\n\n/**\n * Checks if an element is a widget that qualifies to get the widget type around UI.\n *\n * @param {module:engine/view/element~Element} viewElement\n * @param {module:engine/model/element~Element} modelElement\n * @param {module:engine/model/schema~Schema} schema\n * @returns {Boolean}\n */\nexport function isTypeAroundWidget( viewElement, modelElement, schema ) {\n\treturn viewElement && isWidget( viewElement ) && !schema.isInline( modelElement );\n}\n\n/**\n * For the passed HTML element, this helper finds the closest widget type around button ancestor.\n *\n * @param {HTMLElement} domElement\n * @returns {HTMLElement|null}\n */\nexport function getClosestTypeAroundDomButton( domElement ) {\n\treturn domElement.closest( '.ck-widget__type-around__button' );\n}\n\n/**\n * For the passed widget type around button element, this helper determines at which position\n * the paragraph would be inserted into the content if, for instance, the button was\n * clicked by the user.\n *\n * @param {HTMLElement} domElement\n * @returns {'before'|'after'} The position of the button.\n */\nexport function getTypeAroundButtonPosition( domElement ) {\n\treturn domElement.classList.contains( 'ck-widget__type-around__button_before' ) ? 'before' : 'after';\n}\n\n/**\n * For the passed HTML element, this helper returns the closest view widget ancestor.\n *\n * @param {HTMLElement} domElement\n * @param {module:engine/view/domconverter~DomConverter} domConverter\n * @returns {module:engine/view/element~Element}\n */\nexport function getClosestWidgetViewElement( domElement, domConverter ) {\n\tconst widgetDomElement = domElement.closest( '.ck-widget' );\n\n\treturn domConverter.mapDomToView( widgetDomElement );\n}\n\n/**\n * For the passed selection instance, it returns the position of the fake caret displayed next to a widget.\n *\n * **Note**: If the fake caret is not currently displayed, `null` is returned.\n *\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * @returns {'before'|'after'|null} The position of the fake caret or `null` when none is present.\n */\nexport function getTypeAroundFakeCaretPosition( selection ) {\n\treturn selection.getAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n}\n","export default \"<svg viewBox=\\\"0 0 16 16\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z\\\"/><path fill-opacity=\\\".256\\\" d=\\\"M1 1h14v14H1z\\\"/><g class=\\\"ck-icon__selected-indicator\\\"><path d=\\\"M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z\\\"/><path fill-opacity=\\\".254\\\" d=\\\"M1 1h14v14H1z\\\"/></g></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/utils\n */\n\nimport CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport toArray from '@ckeditor/ckeditor5-utils/src/toarray';\n\nimport HighlightStack from './highlightstack';\nimport { getTypeAroundFakeCaretPosition } from './widgettypearound/utils';\n\nimport IconView from '@ckeditor/ckeditor5-ui/src/icon/iconview';\nimport dragHandleIcon from '../theme/icons/drag-handle.svg';\n\n/**\n * CSS class added to each widget element.\n *\n * @const {String}\n */\nexport const WIDGET_CLASS_NAME = 'ck-widget';\n\n/**\n * CSS class added to currently selected widget element.\n *\n * @const {String}\n */\nexport const WIDGET_SELECTED_CLASS_NAME = 'ck-widget_selected';\n\n/**\n * Returns `true` if given {@link module:engine/view/node~Node} is an {@link module:engine/view/element~Element} and a widget.\n *\n * @param {module:engine/view/node~Node} node\n * @returns {Boolean}\n */\nexport function isWidget( node ) {\n\tif ( !node.is( 'element' ) ) {\n\t\treturn false;\n\t}\n\n\treturn !!node.getCustomProperty( 'widget' );\n}\n\n/**\n * Converts the given {@link module:engine/view/element~Element} to a widget in the following way:\n *\n * * sets the `contenteditable` attribute to `\"false\"`,\n * * adds the `ck-widget` CSS class,\n * * adds a custom {@link module:engine/view/element~Element#getFillerOffset `getFillerOffset()`} method returning `null`,\n * * adds a custom property allowing to recognize widget elements by using {@link ~isWidget `isWidget()`},\n * * implements the {@link ~setHighlightHandling view highlight on widgets}.\n *\n * This function needs to be used in conjunction with\n * {@link module:engine/conversion/downcasthelpers~DowncastHelpers downcast conversion helpers}\n * like {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`}.\n * Moreover, typically you will want to use `toWidget()` only for `editingDowncast`, while keeping the `dataDowncast` clean.\n *\n * For example, in order to convert a `<widget>` model element to `<div class=\"widget\">` in the view, you can define\n * such converters:\n *\n *\t\teditor.conversion.for( 'editingDowncast' )\n *\t\t\t.elementToElement( {\n *\t\t\t\tmodel: 'widget',\n *\t\t\t\tview: ( modelItem, { writer } ) => {\n *\t\t\t\t\tconst div = writer.createContainerElement( 'div', { class: 'widget' } );\n *\n *\t\t\t\t\treturn toWidget( div, writer, { label: 'some widget' } );\n *\t\t\t\t}\n *\t\t\t} );\n *\n *\t\teditor.conversion.for( 'dataDowncast' )\n *\t\t\t.elementToElement( {\n *\t\t\t\tmodel: 'widget',\n *\t\t\t\tview: ( modelItem, { writer } ) => {\n *\t\t\t\t\treturn writer.createContainerElement( 'div', { class: 'widget' } );\n *\t\t\t\t}\n *\t\t\t} );\n *\n * See the full source code of the widget (with a nested editable) schema definition and converters in\n * [this sample](https://github.com/ckeditor/ckeditor5-widget/blob/master/tests/manual/widget-with-nestededitable.js).\n *\n * @param {module:engine/view/element~Element} element\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {Object} [options={}]\n * @param {String|Function} [options.label] Element's label provided to the {@link ~setLabel} function. It can be passed as\n * a plain string or a function returning a string. It represents the widget for assistive technologies (like screen readers).\n * @param {Boolean} [options.hasSelectionHandle=false] If `true`, the widget will have a selection handle added.\n * @returns {module:engine/view/element~Element} Returns the same element.\n */\nexport function toWidget( element, writer, options = {} ) {\n\tif ( !element.is( 'containerElement' ) ) {\n\t\t/**\n\t\t * The element passed to `toWidget()` must be a {@link module:engine/view/containerelement~ContainerElement}\n\t\t * instance.\n\t\t *\n\t\t * @error widget-to-widget-wrong-element-type\n\t\t * @param {String} element The view element passed to `toWidget()`.\n\t\t */\n\t\tthrow new CKEditorError(\n\t\t\t'widget-to-widget-wrong-element-type',\n\t\t\tnull,\n\t\t\t{ element }\n\t\t);\n\t}\n\n\twriter.setAttribute( 'contenteditable', 'false', element );\n\n\twriter.addClass( WIDGET_CLASS_NAME, element );\n\twriter.setCustomProperty( 'widget', true, element );\n\telement.getFillerOffset = getFillerOffset;\n\n\tif ( options.label ) {\n\t\tsetLabel( element, options.label, writer );\n\t}\n\n\tif ( options.hasSelectionHandle ) {\n\t\taddSelectionHandle( element, writer );\n\t}\n\n\tsetHighlightHandling( element, writer );\n\n\treturn element;\n}\n\n// Default handler for adding a highlight on a widget.\n// It adds CSS class and attributes basing on the given highlight descriptor.\n//\n// @param {module:engine/view/element~Element} element\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} descriptor\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction addHighlight( element, descriptor, writer ) {\n\tif ( descriptor.classes ) {\n\t\twriter.addClass( toArray( descriptor.classes ), element );\n\t}\n\n\tif ( descriptor.attributes ) {\n\t\tfor ( const key in descriptor.attributes ) {\n\t\t\twriter.setAttribute( key, descriptor.attributes[ key ], element );\n\t\t}\n\t}\n}\n\n// Default handler for removing a highlight from a widget.\n// It removes CSS class and attributes basing on the given highlight descriptor.\n//\n// @param {module:engine/view/element~Element} element\n// @param {module:engine/conversion/downcasthelpers~HighlightDescriptor} descriptor\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction removeHighlight( element, descriptor, writer ) {\n\tif ( descriptor.classes ) {\n\t\twriter.removeClass( toArray( descriptor.classes ), element );\n\t}\n\n\tif ( descriptor.attributes ) {\n\t\tfor ( const key in descriptor.attributes ) {\n\t\t\twriter.removeAttribute( key, element );\n\t\t}\n\t}\n}\n\n/**\n * Sets highlight handling methods. Uses {@link module:widget/highlightstack~HighlightStack} to\n * properly determine which highlight descriptor should be used at given time.\n *\n * @param {module:engine/view/element~Element} element\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {Function} [add]\n * @param {Function} [remove]\n */\nexport function setHighlightHandling( element, writer, add = addHighlight, remove = removeHighlight ) {\n\tconst stack = new HighlightStack();\n\n\tstack.on( 'change:top', ( evt, data ) => {\n\t\tif ( data.oldDescriptor ) {\n\t\t\tremove( element, data.oldDescriptor, data.writer );\n\t\t}\n\n\t\tif ( data.newDescriptor ) {\n\t\t\tadd( element, data.newDescriptor, data.writer );\n\t\t}\n\t} );\n\n\twriter.setCustomProperty( 'addHighlight', ( element, descriptor, writer ) => stack.add( descriptor, writer ), element );\n\twriter.setCustomProperty( 'removeHighlight', ( element, id, writer ) => stack.remove( id, writer ), element );\n}\n\n/**\n * Sets label for given element.\n * It can be passed as a plain string or a function returning a string. Function will be called each time label is retrieved by\n * {@link ~getLabel `getLabel()`}.\n *\n * @param {module:engine/view/element~Element} element\n * @param {String|Function} labelOrCreator\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n */\nexport function setLabel( element, labelOrCreator, writer ) {\n\twriter.setCustomProperty( 'widgetLabel', labelOrCreator, element );\n}\n\n/**\n * Returns the label of the provided element.\n *\n * @param {module:engine/view/element~Element} element\n * @returns {String}\n */\nexport function getLabel( element ) {\n\tconst labelCreator = element.getCustomProperty( 'widgetLabel' );\n\n\tif ( !labelCreator ) {\n\t\treturn '';\n\t}\n\n\treturn typeof labelCreator == 'function' ? labelCreator() : labelCreator;\n}\n\n/**\n * Adds functionality to the provided {@link module:engine/view/editableelement~EditableElement} to act as a widget's editable:\n *\n * * sets the `contenteditable` attribute to `true` when {@link module:engine/view/editableelement~EditableElement#isReadOnly} is `false`,\n * otherwise sets it to `false`,\n * * adds the `ck-editor__editable` and `ck-editor__nested-editable` CSS classes,\n * * adds the `ck-editor__nested-editable_focused` CSS class when the editable is focused and removes it when it is blurred.\n * * implements the {@link ~setHighlightHandling view highlight on widget's editable}.\n *\n * Similarly to {@link ~toWidget `toWidget()`} this function should be used in `editingDowncast` only and it is usually\n * used together with {@link module:engine/conversion/downcasthelpers~DowncastHelpers#elementToElement `elementToElement()`}.\n *\n * For example, in order to convert a `<nested>` model element to `<div class=\"nested\">` in the view, you can define\n * such converters:\n *\n *\t\teditor.conversion.for( 'editingDowncast' )\n *\t\t\t.elementToElement( {\n *\t\t\t\tmodel: 'nested',\n *\t\t\t\tview: ( modelItem, { writer } ) => {\n *\t\t\t\t\tconst div = writer.createEditableElement( 'div', { class: 'nested' } );\n *\n *\t\t\t\t\treturn toWidgetEditable( nested, writer );\n *\t\t\t\t}\n *\t\t\t} );\n *\n *\t\teditor.conversion.for( 'dataDowncast' )\n *\t\t\t.elementToElement( {\n *\t\t\t\tmodel: 'nested',\n *\t\t\t\tview: ( modelItem, { writer } ) => {\n *\t\t\t\t\treturn writer.createContainerElement( 'div', { class: 'nested' } );\n *\t\t\t\t}\n *\t\t\t} );\n *\n * See the full source code of the widget (with nested editable) schema definition and converters in\n * [this sample](https://github.com/ckeditor/ckeditor5-widget/blob/master/tests/manual/widget-with-nestededitable.js).\n *\n * @param {module:engine/view/editableelement~EditableElement} editable\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @returns {module:engine/view/editableelement~EditableElement} Returns the same element that was provided in the `editable` parameter\n */\nexport function toWidgetEditable( editable, writer ) {\n\twriter.addClass( [ 'ck-editor__editable', 'ck-editor__nested-editable' ], editable );\n\n\t// Set initial contenteditable value.\n\twriter.setAttribute( 'contenteditable', editable.isReadOnly ? 'false' : 'true', editable );\n\n\t// Bind the contenteditable property to element#isReadOnly.\n\teditable.on( 'change:isReadOnly', ( evt, property, is ) => {\n\t\twriter.setAttribute( 'contenteditable', is ? 'false' : 'true', editable );\n\t} );\n\n\teditable.on( 'change:isFocused', ( evt, property, is ) => {\n\t\tif ( is ) {\n\t\t\twriter.addClass( 'ck-editor__nested-editable_focused', editable );\n\t\t} else {\n\t\t\twriter.removeClass( 'ck-editor__nested-editable_focused', editable );\n\t\t}\n\t} );\n\n\tsetHighlightHandling( editable, writer );\n\n\treturn editable;\n}\n\n/**\n * Returns a model range which is optimal (in terms of UX) for inserting a widget block.\n *\n * For instance, if a selection is in the middle of a paragraph, the collapsed range before this paragraph\n * will be returned so that it is not split. If the selection is at the end of a paragraph,\n * the collapsed range after this paragraph will be returned.\n *\n * Note: If the selection is placed in an empty block, the range in that block will be returned. If that range\n * is then passed to {@link module:engine/model/model~Model#insertContent}, the block will be fully replaced\n * by the inserted widget block.\n *\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * The selection based on which the insertion position should be calculated.\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {module:engine/model/range~Range} The optimal range.\n */\nexport function findOptimalInsertionRange( selection, model ) {\n\tconst selectedElement = selection.getSelectedElement();\n\n\tif ( selectedElement ) {\n\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( selection );\n\n\t\t// If the WidgetTypeAround \"fake caret\" is displayed, use its position for the insertion\n\t\t// to provide the most predictable UX (https://github.com/ckeditor/ckeditor5/issues/7438).\n\t\tif ( typeAroundFakeCaretPosition ) {\n\t\t\treturn model.createRange( model.createPositionAt( selectedElement, typeAroundFakeCaretPosition ) );\n\t\t}\n\n\t\tif ( model.schema.isObject( selectedElement ) && !model.schema.isInline( selectedElement ) ) {\n\t\t\treturn model.createRangeOn( selectedElement );\n\t\t}\n\t}\n\n\tconst firstBlock = selection.getSelectedBlocks().next().value;\n\n\tif ( firstBlock ) {\n\t\t// If inserting into an empty block – return position in that block. It will get\n\t\t// replaced with the image by insertContent(). #42.\n\t\tif ( firstBlock.isEmpty ) {\n\t\t\treturn model.createRange( model.createPositionAt( firstBlock, 0 ) );\n\t\t}\n\n\t\tconst positionAfter = model.createPositionAfter( firstBlock );\n\n\t\t// If selection is at the end of the block - return position after the block.\n\t\tif ( selection.focus.isTouching( positionAfter ) ) {\n\t\t\treturn model.createRange( positionAfter );\n\t\t}\n\n\t\t// Otherwise return position before the block.\n\t\treturn model.createRange( model.createPositionBefore( firstBlock ) );\n\t}\n\n\treturn model.createRange( selection.focus );\n}\n\n/**\n * A util to be used in order to map view positions to correct model positions when implementing a widget\n * which renders non-empty view element for an empty model element.\n *\n * For example:\n *\n *\t\t// Model:\n *\t\t<placeholder type=\"name\"></placeholder>\n *\n *\t\t// View:\n *\t\t<span class=\"placeholder\">name</span>\n *\n * In such case, view positions inside `<span>` cannot be correct mapped to the model (because the model element is empty).\n * To handle mapping positions inside `<span class=\"placeholder\">` to the model use this util as follows:\n *\n *\t\teditor.editing.mapper.on(\n *\t\t\t'viewToModelPosition',\n *\t\t\tviewToModelPositionOutsideModelElement( model, viewElement => viewElement.hasClass( 'placeholder' ) )\n *\t\t);\n *\n * The callback will try to map the view offset of selection to an expected model position.\n *\n * 1. When the position is at the end (or in the middle) of the inline widget:\n *\n *\t\t// View:\n *\t\t<p>foo <span class=\"placeholder\">name|</span> bar</p>\n *\n *\t\t// Model:\n *\t\t<paragraph>foo <placeholder type=\"name\"></placeholder>| bar</paragraph>\n *\n * 2. When the position is at the beginning of the inline widget:\n *\n *\t\t// View:\n *\t\t<p>foo <span class=\"placeholder\">|name</span> bar</p>\n *\n *\t\t// Model:\n *\t\t<paragraph>foo |<placeholder type=\"name\"></placeholder> bar</paragraph>\n *\n * @param {module:engine/model/model~Model} model Model instance on which the callback operates.\n * @param {Function} viewElementMatcher Function that is passed a view element and should return `true` if the custom mapping\n * should be applied to the given view element.\n * @return {Function}\n */\nexport function viewToModelPositionOutsideModelElement( model, viewElementMatcher ) {\n\treturn ( evt, data ) => {\n\t\tconst { mapper, viewPosition } = data;\n\n\t\tconst viewParent = mapper.findMappedViewAncestor( viewPosition );\n\n\t\tif ( !viewElementMatcher( viewParent ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelParent = mapper.toModelElement( viewParent );\n\n\t\tdata.modelPosition = model.createPositionAt( modelParent, viewPosition.isAtStart ? 'before' : 'after' );\n\t};\n}\n\n// Default filler offset function applied to all widget elements.\n//\n// @returns {null}\nfunction getFillerOffset() {\n\treturn null;\n}\n\n// Adds a drag handle to the widget.\n//\n// @param {module:engine/view/containerelement~ContainerElement}\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction addSelectionHandle( widgetElement, writer ) {\n\tconst selectionHandle = writer.createUIElement( 'div', { class: 'ck ck-widget__selection-handle' }, function( domDocument ) {\n\t\tconst domElement = this.toDomElement( domDocument );\n\n\t\t// Use the IconView from the ui library.\n\t\tconst icon = new IconView();\n\t\ticon.set( 'content', dragHandleIcon );\n\n\t\t// Render the icon view right away to append its #element to the selectionHandle DOM element.\n\t\ticon.render();\n\n\t\tdomElement.appendChild( icon.element );\n\n\t\treturn domElement;\n\t} );\n\n\t// Append the selection handle into the widget wrapper.\n\twriter.insert( writer.createPositionAt( widgetElement, 0 ), selectionHandle );\n\twriter.addClass( [ 'ck-widget_with-selection-handle' ], widgetElement );\n}\n","import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport { toWidget } from '@ckeditor/ckeditor5-widget/src/utils';\n\nexport default class OPMacroTocPlugin extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroToc';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn 'insertToc';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst conversion = editor.conversion;\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'op-macro-toc', {\n\t\t\tallowWhere: '$block',\n\t\t\tisBlock: true,\n\t\t    isLimit: true\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'macro',\n\t\t\t\t\tclasses: 'toc'\n\t\t\t\t},\n\t\t\t\tmodel: 'op-macro-toc'\n\t\t\t} );\n\n\n\t\tconversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'op-macro-toc',\n\t\t\tview: (modelElement, {writer: viewWriter}) => {\n\t\t\t\treturn toWidget(this.createTocViewElement(viewWriter), viewWriter, { label: this.label } )\n\t\t\t}\n\t    } );\n\n\t\tconversion.for('dataDowncast').elementToElement({\n\t\t\tmodel: 'op-macro-toc',\n\t\t\tview: (modelElement, {writer: viewWriter}) => {\n\t\t\t\treturn this.createTocDataElement(viewWriter)\n\t\t\t}\n\t\t});\n\n\t\teditor.ui.componentFactory.add( OPMacroTocPlugin.buttonName, locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: this.label,\n\t\t\t\twithText: true,\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\tconst tocElement = writer.createElement( 'op-macro-toc', {});\n\n\t\t\t\t\t// Insert the image in the current selection location.\n\t\t\t\t\teditor.model.insertContent( tocElement, editor.model.document.selection );\n\t\t\t\t} );\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tget label() {\n\t\treturn window.I18n.t('js.editor.macro.toc');\n\t}\n\n\tcreateTocViewElement(writer) {\n\t\tconst placeholder = writer.createText( this.label );\n\t\tconst container = writer.createContainerElement( 'div');\n\n\t\twriter.insert( writer.createPositionAt( container, 0 ), placeholder );\n\t\treturn container;\n\t}\n\n\tcreateTocDataElement(writer) {\n\t\treturn writer.createContainerElement('macro', { class: 'toc' } );\n\t}\n\n}\n","const embeddedTableSymbol = Symbol( 'isOPEmbeddedTable' );\nimport {toWidget, isWidget} from '@ckeditor/ckeditor5-widget/src/utils';\n\nexport function toEmbeddedTableWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( embeddedTableSymbol, true, viewElement );\n\treturn toWidget( viewElement, writer, { label: 'your label here' } );\n}\n\n\nexport function isEmbeddedTableWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( embeddedTableSymbol ) && isWidget( viewElement );\n}\n\n\nexport function isEmbeddedTableWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isEmbeddedTableWidget( viewElement ) );\n}\n","export function getOP(editor) {\n\treturn _.get(editor.config, '_config.openProject');\n}\n\nexport function getOPResource(editor) {\n\treturn _.get(editor.config, '_config.openProject.context.resource');\n}\n\nexport function getOPPreviewContext(editor) {\n\treturn _.get(editor.config, '_config.openProject.context.previewContext');\n}\n\nexport function getPluginContext(editor) {\n\treturn _.get(editor.config, '_config.openProject.pluginContext');\n}\n\nexport function getOPService(editor, name) {\n\treturn getPluginContext(editor).services[name];\n}\n\nexport function getOPHelper(editor, name) {\n\treturn getPluginContext(editor).helpers[name];\n}\n\nexport function getOPPath(editor) {\n\treturn getOPService(editor,'pathHelperService');\n}\n","import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport {toEmbeddedTableWidget} from './utils';\nimport ViewPosition from '@ckeditor/ckeditor5-engine/src/view/position';\nimport {getPluginContext} from '../op-context/op-context';\n\nexport default class EmbeddedTableEditing extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'EmbeddedTableEditing';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn 'insertEmbeddedTable';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst conversion = editor.conversion;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\tthis.text = {\n\t\t\tbutton: window.I18n.t('js.editor.macro.embedded_table.button'),\n\t\t\tmacro_text: window.I18n.t('js.editor.macro.embedded_table.text'),\n\t\t};\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'op-macro-embedded-table', {\n\t\t\tallowWhere: '$block',\n\t\t\tallowAttributes: ['opEmbeddedTableQuery'],\n\t\t\tisBlock: true,\n\t\t\tisObject: true\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'macro',\n\t\t\t\t\tclasses: 'embedded-table',\n\t\t\t\t},\n\t\t\t\tmodel: ( viewElement, {writer:modelWriter} ) => {\n\t\t\t\t\tconst queryProps = viewElement.getAttribute( 'data-query-props' );\n\t\t\t\t\treturn modelWriter.createElement(\n\t\t\t\t\t\t'op-macro-embedded-table',\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\topEmbeddedTableQuery: queryProps ? JSON.parse(queryProps) : {}\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t} );\n\n\n\t\tconversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'op-macro-embedded-table',\n\t\t\tview: (modelElement, {writer:viewWriter}) => {\n\t\t\t\treturn toEmbeddedTableWidget(this.createEmbeddedTableView(viewWriter), viewWriter, { label: this.label } )\n\t\t\t}\n\t    } );\n\n\t\tconversion.for('dataDowncast').elementToElement({\n\t\t\tmodel: 'op-macro-embedded-table',\n\t\t\tview: (modelElement, {writer:viewWriter}) => {\n\t\t\t\treturn this.createEmbeddedTableDataElement(modelElement, viewWriter)\n\t\t\t}\n\t\t});\n\n\t\teditor.ui.componentFactory.add( EmbeddedTableEditing.buttonName, locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: this.text.button,\n\t\t\t\twithText: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the widget is clicked.\n\t\t\tview.on( 'execute', () => pluginContext.runInZone(() => {\n\t\t\t\tconst externalQueryConfiguration = pluginContext.services.externalQueryConfiguration;\n\t\t\t\tconst currentQuery = {}; // Initial query currently empty, we may want to provide context here.\n\n\t\t\t\texternalQueryConfiguration.show({\n\t\t\t\t\tcurrentQuery: currentQuery,\n\t\t\t\t\tcallback: (newQuery) => editor.model.change(writer => {\n\t\t\t\t\t\tconst element = writer.createElement('op-macro-embedded-table', {opEmbeddedTableQuery: newQuery});\n\n\t\t\t\t\t\t// Insert the widget in the current selection location.\n\t\t\t\t\t\teditor.model.insertContent(element, editor.model.document.selection);\n\t\t\t\t\t})\n\t\t\t\t});\n\t\t\t} ) );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tcreateEmbeddedTableView(writer) {\n\t\tconst placeholder = writer.createText( this.text.macro_text );\n\t\tconst container = writer.createContainerElement( 'div' );\n\n\t\twriter.insert( writer.createPositionAt( container, 0 ), placeholder );\n\t\treturn container;\n\n\t\t// The following doesnt work when removing the widget...\n\t\t// let that = this;\n\t\t// return writer.createUIElement( 'div', { class: 'macro -embedded-table' }, function(containerDocument) {\n\t\t// \tconst containerElement = this.toDomElement(containerDocument);\n\t\t// \tcontainerElement.innerHTML = imageIcon + '<div class=\"macro--description\">' + that.text.macro_text + '</div>';\n\n\t\t// \treturn containerElement;\n\t\t// } );\n\t}\n\n\tcreateEmbeddedTableDataElement(modelElement, writer) {\n\t\tconst queryProps = modelElement.getAttribute('opEmbeddedTableQuery') || {};\n\t\tconst element = writer.createContainerElement(\n\t\t\t'macro',\n\t\t\t{\n\t\t\t\t'class': 'embedded-table',\n\t\t\t\t'data-query-props': JSON.stringify(queryProps)\n\t\t\t}\n\t\t);\n\n\t\treturn element;\n\t}\n\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/utils\n */\n\n/**\n * Returns attributes that should be preserved on the enter key.\n *\n * Filtering is realized based on `copyOnEnter` attribute property. Read more about attribute properties\n * {@link module:engine/model/schema~Schema#setAttributeProperties here}.\n *\n * @param {module:engine/model/schema~Schema} schema\n * @param {Iterable.<*>} allAttributes attributes to filter.\n * @returns {Iterable.<*>}\n */\nexport function* getCopyOnEnterAttributes( schema, allAttributes ) {\n\tfor ( const attribute of allAttributes ) {\n\t\tif ( attribute && schema.getAttributeProperties( attribute[ 0 ] ).copyOnEnter ) {\n\t\t\tyield attribute;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/entercommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getCopyOnEnterAttributes } from './utils';\n\n/**\n * Enter command. It is used by the {@link module:enter/enter~Enter Enter feature} to handle the <kbd>Enter</kbd> key.\n *\n * @extends module:core/command~Command\n */\nexport default class EnterCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tmodel.change( writer => {\n\t\t\tenterBlock( this.editor.model, writer, doc.selection, model.schema );\n\t\t\tthis.fire( 'afterExecute', { writer } );\n\t\t} );\n\t}\n}\n\n// Creates a new block in the way that the <kbd>Enter</kbd> key is expected to work.\n//\n// @param {module:engine/model~Model} model\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// Selection on which the action should be performed.\n// @param {module:engine/model/schema~Schema} schema\nfunction enterBlock( model, writer, selection, schema ) {\n\tconst isSelectionEmpty = selection.isCollapsed;\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\n\t// Don't touch the roots and other limit elements.\n\tif ( schema.isLimit( startElement ) || schema.isLimit( endElement ) ) {\n\t\t// Delete the selected content but only if inside a single limit element.\n\t\t// Abort, when crossing limit elements boundary (e.g. <limit1>x[x</limit1>donttouchme<limit2>y]y</limit2>).\n\t\t// This is an edge case and it's hard to tell what should actually happen because such a selection\n\t\t// is not entirely valid.\n\t\tif ( !isSelectionEmpty && startElement == endElement ) {\n\t\t\tmodel.deleteContent( selection );\n\t\t}\n\n\t\treturn;\n\t}\n\n\tif ( isSelectionEmpty ) {\n\t\tconst attributesToCopy = getCopyOnEnterAttributes( writer.model.schema, selection.getAttributes() );\n\t\tsplitBlock( writer, range.start );\n\t\twriter.setSelectionAttribute( attributesToCopy );\n\t} else {\n\t\tconst leaveUnmerged = !( range.start.isAtStart && range.end.isAtEnd );\n\t\tconst isContainedWithinOneElement = ( startElement == endElement );\n\n\t\tmodel.deleteContent( selection, { leaveUnmerged } );\n\n\t\tif ( leaveUnmerged ) {\n\t\t\t// Partially selected elements.\n\t\t\t//\n\t\t\t// <h>x[xx]x</h>\t\t-> <h>x^x</h>\t\t\t-> <h>x</h><h>^x</h>\n\t\t\tif ( isContainedWithinOneElement ) {\n\t\t\t\tsplitBlock( writer, selection.focus );\n\t\t\t}\n\t\t\t// Selection over multiple elements.\n\t\t\t//\n\t\t\t// <h>x[x</h><p>y]y<p>\t-> <h>x^</h><p>y</p>\t-> <h>x</h><p>^y</p>\n\t\t\telse {\n\t\t\t\twriter.setSelection( endElement, 0 );\n\t\t\t}\n\t\t}\n\t}\n}\n\nfunction splitBlock( writer, splitPos ) {\n\twriter.split( splitPos );\n\twriter.setSelection( splitPos.parent.nextSibling, 0 );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/enterobserver\n */\n\nimport Observer from '@ckeditor/ckeditor5-engine/src/view/observer/observer';\nimport DomEventData from '@ckeditor/ckeditor5-engine/src/view/observer/domeventdata';\nimport BubblingEventInfo from '@ckeditor/ckeditor5-engine/src/view/observer/bubblingeventinfo';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * Enter observer introduces the {@link module:engine/view/document~Document#event:enter} event.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class EnterObserver extends Observer {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tconst doc = this.document;\n\n\t\tdoc.on( 'keydown', ( evt, data ) => {\n\t\t\tif ( this.isEnabled && data.keyCode == keyCodes.enter ) {\n\t\t\t\tconst event = new BubblingEventInfo( doc, 'enter', doc.selection.getFirstRange() );\n\n\t\t\t\tdoc.fire( event, new DomEventData( doc, data.domEvent, {\n\t\t\t\t\tisSoft: data.shiftKey\n\t\t\t\t} ) );\n\n\t\t\t\t// Stop `keydown` event if `enter` event was stopped.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5/issues/753\n\t\t\t\tif ( event.stop.called ) {\n\t\t\t\t\tevt.stop();\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve() {}\n}\n\n/**\n * Event fired when the user presses the <kbd>Enter</kbd> key.\n *\n * Note: This event is fired by the {@link module:enter/enterobserver~EnterObserver observer}\n * (usually registered by the {@link module:enter/enter~Enter Enter feature} and\n * {@link module:enter/shiftenter~ShiftEnter ShiftEnter feature}).\n *\n * @event module:engine/view/document~Document#event:enter\n * @param {module:engine/view/observer/domeventdata~DomEventData} data\n * @param {Boolean} data.isSoft Whether it's a soft enter (<kbd>Shift</kbd>+<kbd>Enter</kbd>) or hard enter (<kbd>Enter</kbd>).\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/enter\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport EnterCommand from './entercommand';\nimport EnterObserver from './enterobserver';\n\n/**\n * This plugin handles the <kbd>Enter</kbd> key (hard line break) in the editor.\n *\n * See also the {@link module:enter/shiftenter~ShiftEnter} plugin.\n *\n * For more information about this feature see the {@glink api/enter package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Enter extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Enter';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\tview.addObserver( EnterObserver );\n\n\t\teditor.commands.add( 'enter', new EnterCommand( editor ) );\n\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tdata.preventDefault();\n\n\t\t\t// The soft enter key is handled by the ShiftEnter plugin.\n\t\t\tif ( data.isSoft ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\teditor.execute( 'enter' );\n\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/changebuffer\n */\n\n/**\n * Change buffer allows to group atomic changes (like characters that have been typed) into\n * {@link module:engine/model/batch~Batch batches}.\n *\n * Batches represent single undo steps, hence changes added to one single batch are undone together.\n *\n * The buffer has a configurable limit of atomic changes that it can accommodate. After the limit was\n * exceeded (see {@link ~ChangeBuffer#input}), a new batch is created in {@link ~ChangeBuffer#batch}.\n *\n * To use the change buffer you need to let it know about the number of changes that were added to the batch:\n *\n *\t\tconst buffer = new ChangeBuffer( model, LIMIT );\n *\n *\t\t// Later on in your feature:\n *\t\tbuffer.batch.insert( pos, insertedCharacters );\n *\t\tbuffer.input( insertedCharacters.length );\n *\n */\nexport default class ChangeBuffer {\n\t/**\n\t * Creates a new instance of the change buffer.\n\t *\n\t * @param {module:engine/model/model~Model} model\n\t * @param {Number} [limit=20] The maximum number of atomic changes which can be contained in one batch.\n\t */\n\tconstructor( model, limit = 20 ) {\n\t\t/**\n\t\t * The model instance.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model} #model\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * The number of atomic changes in the buffer. Once it exceeds the {@link #limit},\n\t\t * the {@link #batch batch} is set to a new one.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #size\n\t\t */\n\t\tthis.size = 0;\n\n\t\t/**\n\t\t * The maximum number of atomic changes which can be contained in one batch.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #limit\n\t\t */\n\t\tthis.limit = limit;\n\n\t\t/**\n\t\t * Whether the buffer is locked. A locked buffer cannot be reset unless it gets unlocked.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isLocked\n\t\t */\n\t\tthis.isLocked = false;\n\n\t\t// The function to be called in order to notify the buffer about batches which appeared in the document.\n\t\t// The callback will check whether it is a new batch and in that case the buffer will be flushed.\n\t\t//\n\t\t// The reason why the buffer needs to be flushed whenever a new batch appears is that the changes added afterwards\n\t\t// should be added to a new batch. For instance, when the user types, then inserts an image, and then types again,\n\t\t// the characters typed after inserting the image should be added to a different batch than the characters typed before.\n\t\tthis._changeCallback = ( evt, batch ) => {\n\t\t\tif ( batch.isLocal && batch.isUndoable && batch !== this._batch ) {\n\t\t\t\tthis._reset( true );\n\t\t\t}\n\t\t};\n\n\t\tthis._selectionChangeCallback = () => {\n\t\t\tthis._reset();\n\t\t};\n\n\t\tthis.model.document.on( 'change', this._changeCallback );\n\n\t\tthis.model.document.selection.on( 'change:range', this._selectionChangeCallback );\n\t\tthis.model.document.selection.on( 'change:attribute', this._selectionChangeCallback );\n\n\t\t/**\n\t\t * The current batch instance.\n\t\t *\n\t\t * @private\n\t\t * @member #_batch\n\t\t */\n\n\t\t/**\n\t\t * The callback to document the change event which later needs to be removed.\n\t\t *\n\t\t * @private\n\t\t * @member #_changeCallback\n\t\t */\n\n\t\t/**\n\t\t * The callback to document selection `change:attribute` and `change:range` events which resets the buffer.\n\t\t *\n\t\t * @private\n\t\t * @member #_selectionChangeCallback\n\t\t */\n\t}\n\n\t/**\n\t * The current batch to which a feature should add its operations. Once the {@link #size}\n\t * is reached or exceeds the {@link #limit}, the batch is set to a new instance and the size is reset.\n\t *\n\t * @type {module:engine/model/batch~Batch}\n\t */\n\tget batch() {\n\t\tif ( !this._batch ) {\n\t\t\tthis._batch = this.model.createBatch( { isTyping: true } );\n\t\t}\n\n\t\treturn this._batch;\n\t}\n\n\t/**\n\t * The input number of changes into the buffer. Once the {@link #size} is\n\t * reached or exceeds the {@link #limit}, the batch is set to a new instance and the size is reset.\n\t *\n\t * @param {Number} changeCount The number of atomic changes to input.\n\t */\n\tinput( changeCount ) {\n\t\tthis.size += changeCount;\n\n\t\tif ( this.size >= this.limit ) {\n\t\t\tthis._reset( true );\n\t\t}\n\t}\n\n\t/**\n\t * Locks the buffer.\n\t */\n\tlock() {\n\t\tthis.isLocked = true;\n\t}\n\n\t/**\n\t * Unlocks the buffer.\n\t */\n\tunlock() {\n\t\tthis.isLocked = false;\n\t}\n\n\t/**\n\t * Destroys the buffer.\n\t */\n\tdestroy() {\n\t\tthis.model.document.off( 'change', this._changeCallback );\n\t\tthis.model.document.selection.off( 'change:range', this._selectionChangeCallback );\n\t\tthis.model.document.selection.off( 'change:attribute', this._selectionChangeCallback );\n\t}\n\n\t/**\n\t * Resets the change buffer.\n\t *\n\t * @private\n\t * @param {Boolean} [ignoreLock] Whether internal lock {@link #isLocked} should be ignored.\n\t */\n\t_reset( ignoreLock ) {\n\t\tif ( !this.isLocked || ignoreLock ) {\n\t\t\tthis._batch = null;\n\t\t\tthis.size = 0;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/deletecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport count from '@ckeditor/ckeditor5-utils/src/count';\n\nimport ChangeBuffer from './utils/changebuffer';\n\n/**\n * The delete command. Used by the {@link module:typing/delete~Delete delete feature} to handle the <kbd>Delete</kbd> and\n * <kbd>Backspace</kbd> keys.\n *\n * @extends module:core/command~Command\n */\nexport default class DeleteCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {'forward'|'backward'} direction The directionality of the delete describing in what direction it\n\t * should consume the content when the selection is collapsed.\n\t */\n\tconstructor( editor, direction ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The directionality of the delete describing in what direction it should\n\t\t * consume the content when the selection is collapsed.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'forward'|'backward'} #direction\n\t\t */\n\t\tthis.direction = direction;\n\n\t\t/**\n\t\t * Delete's change buffer used to group subsequent changes into batches.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @type {module:typing/utils/changebuffer~ChangeBuffer}\n\t\t */\n\t\tthis._buffer = new ChangeBuffer( editor.model, editor.config.get( 'typing.undoStep' ) );\n\t}\n\n\t/**\n\t * The current change buffer.\n\t *\n\t * @type {module:typing/utils/changebuffer~ChangeBuffer}\n\t */\n\tget buffer() {\n\t\treturn this._buffer;\n\t}\n\n\t/**\n\t * Executes the delete command. Depending on whether the selection is collapsed or not, deletes its content\n\t * or a piece of content in the {@link #direction defined direction}.\n\t *\n\t * @fires execute\n\t * @param {Object} [options] The command options.\n\t * @param {'character'} [options.unit='character'] See {@link module:engine/model/utils/modifyselection~modifySelection}'s options.\n\t * @param {Number} [options.sequence=1] A number describing which subsequent delete event it is without the key being released.\n\t * See the {@link module:engine/view/document~Document#event:delete} event data.\n\t * @param {module:engine/model/selection~Selection} [options.selection] Selection to remove. If not set, current model selection\n\t * will be used.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tmodel.enqueueChange( this._buffer.batch, writer => {\n\t\t\tthis._buffer.lock();\n\n\t\t\tconst selection = writer.createSelection( options.selection || doc.selection );\n\t\t\tconst sequence = options.sequence || 1;\n\n\t\t\t// Do not replace the whole selected content if selection was collapsed.\n\t\t\t// This prevents such situation:\n\t\t\t//\n\t\t\t// <h1></h1><p>[]</p>\t-->  <h1>[</h1><p>]</p> \t\t-->  <p></p>\n\t\t\t// starting content\t\t-->   after `modifySelection`\t-->  after `deleteContent`.\n\t\t\tconst doNotResetEntireContent = selection.isCollapsed;\n\n\t\t\t// Try to extend the selection in the specified direction.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\tmodel.modifySelection( selection, { direction: this.direction, unit: options.unit } );\n\t\t\t}\n\n\t\t\t// Check if deleting in an empty editor. See #61.\n\t\t\tif ( this._shouldEntireContentBeReplacedWithParagraph( sequence ) ) {\n\t\t\t\tthis._replaceEntireContentWithParagraph( writer );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Check if deleting in the first empty block.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/issues/8137.\n\t\t\tif ( this._shouldReplaceFirstBlockWithParagraph( selection, sequence ) ) {\n\t\t\t\tthis.editor.execute( 'paragraph', { selection } );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// If selection is still collapsed, then there's nothing to delete.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tlet changeCount = 0;\n\n\t\t\tselection.getFirstRange().getMinimalFlatRanges().forEach( range => {\n\t\t\t\tchangeCount += count(\n\t\t\t\t\trange.getWalker( { singleCharacters: true, ignoreElementEnd: true, shallow: true } )\n\t\t\t\t);\n\t\t\t} );\n\n\t\t\tmodel.deleteContent( selection, {\n\t\t\t\tdoNotResetEntireContent,\n\t\t\t\tdirection: this.direction\n\t\t\t} );\n\n\t\t\tthis._buffer.input( changeCount );\n\n\t\t\twriter.setSelection( selection );\n\n\t\t\tthis._buffer.unlock();\n\t\t} );\n\t}\n\n\t/**\n\t * If the user keeps <kbd>Backspace</kbd> or <kbd>Delete</kbd> key pressed, the content of the current\n\t * editable will be cleared. However, this will not yet lead to resetting the remaining block to a paragraph\n\t * (which happens e.g. when the user does <kbd>Ctrl</kbd> + <kbd>A</kbd>, <kbd>Backspace</kbd>).\n\t *\n\t * But, if the user pressed the key in an empty editable for the first time,\n\t * we want to replace the entire content with a paragraph if:\n\t *\n\t * * the current limit element is empty,\n\t * * the paragraph is allowed in the limit element,\n\t * * the limit doesn't already have a paragraph inside.\n\t *\n\t * See https://github.com/ckeditor/ckeditor5-typing/issues/61.\n\t *\n\t * @private\n\t * @param {Number} sequence A number describing which subsequent delete event it is without the key being released.\n\t * @returns {Boolean}\n\t */\n\t_shouldEntireContentBeReplacedWithParagraph( sequence ) {\n\t\t// Does nothing if user pressed and held the \"Backspace\" or \"Delete\" key.\n\t\tif ( sequence > 1 ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst selection = doc.selection;\n\t\tconst limitElement = model.schema.getLimitElement( selection );\n\n\t\t// If a collapsed selection contains the whole content it means that the content is empty\n\t\t// (from the user perspective).\n\t\tconst limitElementIsEmpty = selection.isCollapsed && selection.containsEntireContent( limitElement );\n\n\t\tif ( !limitElementIsEmpty ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( !model.schema.checkChild( limitElement, 'paragraph' ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst limitElementFirstChild = limitElement.getChild( 0 );\n\n\t\t// Does nothing if the limit element already contains only a paragraph.\n\t\t// We ignore the case when paragraph might have some inline elements (<p><inlineWidget>[]</inlineWidget></p>)\n\t\t// because we don't support such cases yet and it's unclear whether inlineWidget shouldn't be a limit itself.\n\t\tif ( limitElementFirstChild && limitElementFirstChild.name === 'paragraph' ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * The entire content is replaced with the paragraph. Selection is moved inside the paragraph.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer The model writer.\n\t */\n\t_replaceEntireContentWithParagraph( writer ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst selection = doc.selection;\n\t\tconst limitElement = model.schema.getLimitElement( selection );\n\t\tconst paragraph = writer.createElement( 'paragraph' );\n\n\t\twriter.remove( writer.createRangeIn( limitElement ) );\n\t\twriter.insert( paragraph, limitElement );\n\n\t\twriter.setSelection( paragraph, 0 );\n\t}\n\n\t/**\n\t * Checks if the selection is inside an empty element that is the first child of the limit element\n\t * and should be replaced with a paragraph.\n\t *\n\t * @private\n\t * @param {module:engine/model/selection~Selection} selection The selection.\n\t * @param {Number} sequence A number describing which subsequent delete event it is without the key being released.\n\t * @returns {Boolean}\n\t */\n\t_shouldReplaceFirstBlockWithParagraph( selection, sequence ) {\n\t\tconst model = this.editor.model;\n\n\t\t// Does nothing if user pressed and held the \"Backspace\" key or it was a \"Delete\" button.\n\t\tif ( sequence > 1 || this.direction != 'backward' ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst position = selection.getFirstPosition();\n\t\tconst limitElement = model.schema.getLimitElement( position );\n\t\tconst limitElementFirstChild = limitElement.getChild( 0 );\n\n\t\t// Only elements that are direct children of the limit element can be replaced.\n\t\t// Unwrapping from a block quote should be handled in a dedicated feature.\n\t\tif ( position.parent != limitElementFirstChild ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// A block should be replaced only if it was empty.\n\t\tif ( !selection.containsEntireContent( limitElementFirstChild ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Replace with a paragraph only if it's allowed there.\n\t\tif ( !model.schema.checkChild( limitElement, 'paragraph' ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Does nothing if the limit element already contains only a paragraph.\n\t\tif ( limitElementFirstChild.name == 'paragraph' ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/utils\n */\n\nimport diff from '@ckeditor/ckeditor5-utils/src/diff';\nimport diffToChanges from '@ckeditor/ckeditor5-utils/src/difftochanges';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * Returns true if container children have mutated or more than a single text node was changed.\n *\n * @private\n * @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|\n * module:engine/view/observer/mutationobserver~MutatedChildren>} mutations\n * @returns {Boolean}\n */\nexport function containerChildrenMutated( mutations ) {\n\tif ( mutations.length == 0 ) {\n\t\treturn false;\n\t}\n\n\t// Check if there is any mutation of `children` type or any mutation that changes more than one text node.\n\tfor ( const mutation of mutations ) {\n\t\tif ( mutation.type === 'children' && !getSingleTextNodeChange( mutation ) ) {\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\n/**\n * Returns change made to a single text node.\n *\n * @private\n * @param {module:engine/view/observer/mutationobserver~MutatedText|\n * module:engine/view/observer/mutationobserver~MutatedChildren} mutation\n * @returns {Object|undefined} Change object (see {@link module:utils/difftochanges~diffToChanges} output)\n * or undefined if more than a single text node was changed.\n */\nexport function getSingleTextNodeChange( mutation ) {\n\t// One new node.\n\tif ( mutation.newChildren.length - mutation.oldChildren.length != 1 ) {\n\t\treturn;\n\t}\n\n\t// Which is text.\n\tconst diffResult = diff( mutation.oldChildren, mutation.newChildren, compareChildNodes );\n\tconst changes = diffToChanges( diffResult, mutation.newChildren );\n\n\t// In case of [ delete, insert, insert ] the previous check will not exit.\n\tif ( changes.length > 1 ) {\n\t\treturn;\n\t}\n\n\tconst change = changes[ 0 ];\n\n\t// Which is text.\n\tif ( !( !!change.values[ 0 ] && change.values[ 0 ].is( '$text' ) ) ) {\n\t\treturn;\n\t}\n\n\treturn change;\n}\n\n/**\n * Checks whether two view nodes are identical, which means they are the same object\n * or contain exactly same data (in case of text nodes).\n *\n * @private\n * @param {module:engine/view/node~Node} oldChild\n * @param {module:engine/view/node~Node} newChild\n * @returns {Boolean}\n */\nexport function compareChildNodes( oldChild, newChild ) {\n\tif ( !!oldChild && oldChild.is( '$text' ) && !!newChild && newChild.is( '$text' ) ) {\n\t\treturn oldChild.data === newChild.data;\n\t} else {\n\t\treturn oldChild === newChild;\n\t}\n}\n\n/**\n * Checks if <kbd>Shift</kbd> + <kbd>Delete</kbd> keystroke was pressed on a non-collapsed selection.\n *\n * This key combination has a special meaning on Windows machines and it should work in the same way as the `cut` event on a non-collapsed\n * selection.\n *\n * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData Event data.\n * @param {module:engine/view/document~Document} document The document instance on which the event has been fired.\n * @returns {Boolean}\n */\nexport function isShiftDeleteOnNonCollapsedSelection( domEventData, document ) {\n\tconst selection = document.selection;\n\tconst isShiftDelete = domEventData.shiftKey && domEventData.keyCode === keyCodes.delete;\n\tconst isNonCollapsedSelection = !selection.isCollapsed;\n\n\treturn isShiftDelete && isNonCollapsedSelection;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module utils/difftochanges\n */\n\n/**\n * Creates a set of changes which need to be applied to the input in order to transform\n * it into the output. This function can be used with strings or arrays.\n *\n *\t\tconst input = Array.from( 'abc' );\n *\t\tconst output = Array.from( 'xaby' );\n *\t\tconst changes = diffToChanges( diff( input, output ), output );\n *\n *\t\tchanges.forEach( change => {\n *\t\t\tif ( change.type == 'insert' ) {\n *\t\t\t\tinput.splice( change.index, 0, ...change.values );\n *\t\t\t} else if ( change.type == 'delete' ) {\n *\t\t\t\tinput.splice( change.index, change.howMany );\n *\t\t\t}\n *\t\t} );\n *\n *\t\tinput.join( '' ) == output.join( '' ); // -> true\n *\n * @param {Array.<'equal'|'insert'|'delete'>} diff Result of {@link module:utils/diff~diff}.\n * @param {String|Array} output The string or array which was passed as diff's output.\n * @returns {Array.<Object>} Set of changes (insert or delete) which need to be applied to the input\n * in order to transform it into the output.\n */\nexport default function diffToChanges( diff, output ) {\n\tconst changes = [];\n\tlet index = 0;\n\tlet lastOperation;\n\n\tdiff.forEach( change => {\n\t\tif ( change == 'equal' ) {\n\t\t\tpushLast();\n\n\t\t\tindex++;\n\t\t} else if ( change == 'insert' ) {\n\t\t\tif ( isContinuationOf( 'insert' ) ) {\n\t\t\t\tlastOperation.values.push( output[ index ] );\n\t\t\t} else {\n\t\t\t\tpushLast();\n\n\t\t\t\tlastOperation = {\n\t\t\t\t\ttype: 'insert',\n\t\t\t\t\tindex,\n\t\t\t\t\tvalues: [ output[ index ] ]\n\t\t\t\t};\n\t\t\t}\n\n\t\t\tindex++;\n\t\t} else /* if ( change == 'delete' ) */ {\n\t\t\tif ( isContinuationOf( 'delete' ) ) {\n\t\t\t\tlastOperation.howMany++;\n\t\t\t} else {\n\t\t\t\tpushLast();\n\n\t\t\t\tlastOperation = {\n\t\t\t\t\ttype: 'delete',\n\t\t\t\t\tindex,\n\t\t\t\t\thowMany: 1\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\t} );\n\n\tpushLast();\n\n\treturn changes;\n\n\tfunction pushLast() {\n\t\tif ( lastOperation ) {\n\t\t\tchanges.push( lastOperation );\n\t\t\tlastOperation = null;\n\t\t}\n\t}\n\n\tfunction isContinuationOf( expected ) {\n\t\treturn lastOperation && lastOperation.type == expected;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/deleteobserver\n */\n\nimport Observer from '@ckeditor/ckeditor5-engine/src/view/observer/observer';\nimport DomEventData from '@ckeditor/ckeditor5-engine/src/view/observer/domeventdata';\nimport BubblingEventInfo from '@ckeditor/ckeditor5-engine/src/view/observer/bubblingeventinfo';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\nimport { isShiftDeleteOnNonCollapsedSelection } from './utils/utils';\n\n/**\n * Delete observer introduces the {@link module:engine/view/document~Document#event:delete} event.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class DeleteObserver extends Observer {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tconst document = view.document;\n\t\tlet sequence = 0;\n\n\t\tdocument.on( 'keyup', ( evt, data ) => {\n\t\t\tif ( data.keyCode == keyCodes.delete || data.keyCode == keyCodes.backspace ) {\n\t\t\t\tsequence = 0;\n\t\t\t}\n\t\t} );\n\n\t\tdocument.on( 'keydown', ( evt, data ) => {\n\t\t\t// Do not fire the `delete` event, if Shift + Delete key combination was pressed on a non-collapsed selection on Windows.\n\t\t\t//\n\t\t\t// The Shift + Delete key combination should work in the same way as the `cut` event on a non-collapsed selection on Windows.\n\t\t\t// In fact, the native `cut` event is actually emitted in this case, but with lower priority. Therefore, in order to handle the\n\t\t\t// Shift + Delete key combination correctly, it is enough not to emit the `delete` event.\n\t\t\tif ( env.isWindows && isShiftDeleteOnNonCollapsedSelection( data, document ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst deleteData = {};\n\n\t\t\tif ( data.keyCode == keyCodes.delete ) {\n\t\t\t\tdeleteData.direction = 'forward';\n\t\t\t\tdeleteData.unit = 'character';\n\t\t\t} else if ( data.keyCode == keyCodes.backspace ) {\n\t\t\t\tdeleteData.direction = 'backward';\n\t\t\t\tdeleteData.unit = 'codePoint';\n\t\t\t} else {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst hasWordModifier = env.isMac ? data.altKey : data.ctrlKey;\n\t\t\tdeleteData.unit = hasWordModifier ? 'word' : deleteData.unit;\n\t\t\tdeleteData.sequence = ++sequence;\n\n\t\t\tfireViewDeleteEvent( evt, data.domEvent, deleteData );\n\t\t} );\n\n\t\t// `beforeinput` is handled only for Android devices. Desktop Chrome and iOS are skipped because they are working fine now.\n\t\tif ( env.isAndroid ) {\n\t\t\tdocument.on( 'beforeinput', ( evt, data ) => {\n\t\t\t\t// If event type is other than `deleteContentBackward` then this is not deleting.\n\t\t\t\tif ( data.domEvent.inputType != 'deleteContentBackward' ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst deleteData = {\n\t\t\t\t\tunit: 'codepoint',\n\t\t\t\t\tdirection: 'backward',\n\t\t\t\t\tsequence: 1\n\t\t\t\t};\n\n\t\t\t\t// Android IMEs may change the DOM selection on `beforeinput` event so that the selection contains all the text\n\t\t\t\t// that the IME wants to remove. We will pass this information to `delete` event so proper part of the content is removed.\n\t\t\t\t//\n\t\t\t\t// Sometimes it is only expanding by a one character (in case of collapsed selection). In this case we don't need to\n\t\t\t\t// set a different selection to remove, it will work just fine.\n\t\t\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\n\t\t\t\tif ( domSelection.anchorNode == domSelection.focusNode && domSelection.anchorOffset + 1 != domSelection.focusOffset ) {\n\t\t\t\t\tdeleteData.selectionToRemove = view.domConverter.domSelectionToView( domSelection );\n\t\t\t\t}\n\n\t\t\t\tfireViewDeleteEvent( evt, data.domEvent, deleteData );\n\t\t\t} );\n\t\t}\n\n\t\tfunction fireViewDeleteEvent( originalEvent, domEvent, deleteData ) {\n\t\t\tconst event = new BubblingEventInfo( document, 'delete', document.selection.getFirstRange() );\n\n\t\t\tdocument.fire( event, new DomEventData( document, domEvent, deleteData ) );\n\n\t\t\t// Stop the original event if `delete` event was stopped.\n\t\t\t// https://github.com/ckeditor/ckeditor5/issues/753\n\t\t\tif ( event.stop.called ) {\n\t\t\t\toriginalEvent.stop();\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve() {}\n}\n\n/**\n * Event fired when the user tries to delete content (e.g. presses <kbd>Delete</kbd> or <kbd>Backspace</kbd>).\n *\n * Note: This event is fired by the {@link module:typing/deleteobserver~DeleteObserver observer}\n * (usually registered by the {@link module:typing/delete~Delete delete feature}).\n *\n * @event module:engine/view/document~Document#event:delete\n * @param {module:engine/view/observer/domeventdata~DomEventData} data\n * @param {'forward'|'delete'} data.direction The direction in which the deletion should happen.\n * @param {'character'|'codePoint'|'word'} data.unit The \"amount\" of content that should be deleted.\n * @param {Number} data.sequence A number describing which subsequent delete event it is without the key being released.\n * If it's 2 or more it means that the key was pressed and hold.\n * @param {module:engine/view/selection~Selection} [data.selectionToRemove] View selection which content should be removed. If not set,\n * current selection should be used.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/delete\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport DeleteCommand from './deletecommand';\nimport DeleteObserver from './deleteobserver';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\n\n/**\n * The delete and backspace feature. Handles the <kbd>Delete</kbd> and <kbd>Backspace</kbd> keys in the editor.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Delete extends Plugin {\n\t/**\n\t * Whether pressing backspace should trigger undo action\n\t *\n\t * @private\n\t * @member {Boolean} #_undoOnBackspace\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Delete';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tconst modelDocument = editor.model.document;\n\n\t\tview.addObserver( DeleteObserver );\n\n\t\tthis._undoOnBackspace = false;\n\n\t\tconst deleteForwardCommand = new DeleteCommand( editor, 'forward' );\n\n\t\t// Register `deleteForward` command and add `forwardDelete` command as an alias for backward compatibility.\n\t\teditor.commands.add( 'deleteForward', deleteForwardCommand );\n\t\teditor.commands.add( 'forwardDelete', deleteForwardCommand );\n\n\t\teditor.commands.add( 'delete', new DeleteCommand( editor, 'backward' ) );\n\n\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\tconst deleteCommandParams = { unit: data.unit, sequence: data.sequence };\n\n\t\t\t// If a specific (view) selection to remove was set, convert it to a model selection and set as a parameter for `DeleteCommand`.\n\t\t\tif ( data.selectionToRemove ) {\n\t\t\t\tconst modelSelection = editor.model.createSelection();\n\t\t\t\tconst ranges = [];\n\n\t\t\t\tfor ( const viewRange of data.selectionToRemove.getRanges() ) {\n\t\t\t\t\tranges.push( editor.editing.mapper.toModelRange( viewRange ) );\n\t\t\t\t}\n\n\t\t\t\tmodelSelection.setTo( ranges );\n\n\t\t\t\tdeleteCommandParams.selection = modelSelection;\n\t\t\t}\n\n\t\t\teditor.execute( data.direction == 'forward' ? 'deleteForward' : 'delete', deleteCommandParams );\n\n\t\t\tdata.preventDefault();\n\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\n\t\t// Android IMEs have a quirk - they change DOM selection after the input changes were performed by the browser.\n\t\t// This happens on `keyup` event. Android doesn't know anything about our deletion and selection handling. Even if the selection\n\t\t// was changed during input events, IME remembers the position where the selection \"should\" be placed and moves it there.\n\t\t//\n\t\t// To prevent incorrect selection, we save the selection after deleting here and then re-set it on `keyup`. This has to be done\n\t\t// on DOM selection level, because on `keyup` the model selection is still the same as it was just after deletion, so it\n\t\t// wouldn't be changed and the fix would do nothing.\n\t\t//\n\t\tif ( env.isAndroid ) {\n\t\t\tlet domSelectionAfterDeletion = null;\n\n\t\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\n\t\t\t\tdomSelectionAfterDeletion = {\n\t\t\t\t\tanchorNode: domSelection.anchorNode,\n\t\t\t\t\tanchorOffset: domSelection.anchorOffset,\n\t\t\t\t\tfocusNode: domSelection.focusNode,\n\t\t\t\t\tfocusOffset: domSelection.focusOffset\n\t\t\t\t};\n\t\t\t}, { priority: 'lowest' } );\n\n\t\t\tthis.listenTo( viewDocument, 'keyup', ( evt, data ) => {\n\t\t\t\tif ( domSelectionAfterDeletion ) {\n\t\t\t\t\tconst domSelection = data.domTarget.ownerDocument.defaultView.getSelection();\n\n\t\t\t\t\tdomSelection.collapse( domSelectionAfterDeletion.anchorNode, domSelectionAfterDeletion.anchorOffset );\n\t\t\t\t\tdomSelection.extend( domSelectionAfterDeletion.focusNode, domSelectionAfterDeletion.focusOffset );\n\n\t\t\t\t\tdomSelectionAfterDeletion = null;\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\n\t\tif ( this.editor.plugins.has( 'UndoEditing' ) ) {\n\t\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\t\tif ( this._undoOnBackspace && data.direction == 'backward' && data.sequence == 1 && data.unit == 'codePoint' ) {\n\t\t\t\t\tthis._undoOnBackspace = false;\n\n\t\t\t\t\teditor.execute( 'undo' );\n\n\t\t\t\t\tdata.preventDefault();\n\t\t\t\t\tevt.stop();\n\t\t\t\t}\n\t\t\t}, { context: '$capture' } );\n\n\t\t\tthis.listenTo( modelDocument, 'change', () => {\n\t\t\t\tthis._undoOnBackspace = false;\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * If the next user action after calling this method is pressing backspace, it would undo the last change.\n\t *\n\t * Requires {@link module:undo/undoediting~UndoEditing} plugin. If not loaded, does nothing.\n\t */\n\trequestUndoOnBackspace() {\n\t\tif ( this.editor.plugins.has( 'UndoEditing' ) ) {\n\t\t\tthis._undoOnBackspace = true;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/injectunsafekeystrokeshandling\n */\n\nimport { getCode } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\nimport { isShiftDeleteOnNonCollapsedSelection } from './utils';\n\n/**\n * Handles keystrokes which are unsafe for typing. This handler's logic is explained\n * in https://github.com/ckeditor/ckeditor5-typing/issues/83#issuecomment-398690251.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n */\nexport default function injectUnsafeKeystrokesHandling( editor ) {\n\tlet latestCompositionSelection = null;\n\n\tconst model = editor.model;\n\tconst view = editor.editing.view;\n\tconst inputCommand = editor.commands.get( 'input' );\n\n\t// For Android, we want to handle keystrokes on `beforeinput` to be sure that code in `DeleteObserver` already had a chance to be fired.\n\tif ( env.isAndroid ) {\n\t\tview.document.on( 'beforeinput', ( evt, evtData ) => handleUnsafeKeystroke( evtData ), { priority: 'lowest' } );\n\t} else {\n\t\tview.document.on( 'keydown', ( evt, evtData ) => handleUnsafeKeystroke( evtData ), { priority: 'lowest' } );\n\t}\n\n\tview.document.on( 'compositionstart', handleCompositionStart, { priority: 'lowest' } );\n\n\tview.document.on( 'compositionend', () => {\n\t\tlatestCompositionSelection = model.createSelection( model.document.selection );\n\t}, { priority: 'lowest' } );\n\n\t// Handles the keydown event. We need to guess whether such keystroke is going to result\n\t// in typing. If so, then before character insertion happens, any selected content needs\n\t// to be deleted. Otherwise the default browser deletion mechanism would be\n\t// triggered, resulting in:\n\t//\n\t// * Hundreds of mutations which could not be handled.\n\t// * But most importantly, loss of control over how the content is being deleted.\n\t//\n\t// The method is used in a low-priority listener, hence allowing other listeners (e.g. delete or enter features)\n\t// to handle the event.\n\t//\n\t// @param {module:engine/view/observer/keyobserver~KeyEventData} evtData\n\tfunction handleUnsafeKeystroke( evtData ) {\n\t\t// Do not delete the content, if Shift + Delete key combination was pressed on a non-collapsed selection on Windows.\n\t\t//\n\t\t// The Shift + Delete key combination should work in the same way as the `cut` event on a non-collapsed selection on Windows.\n\t\t// In fact, the native `cut` event is actually emitted in this case, but with lower priority. Therefore, in order to handle the\n\t\t// Shift + Delete key combination correctly, it is enough to prevent the content deletion here.\n\t\tif ( env.isWindows && isShiftDeleteOnNonCollapsedSelection( evtData, view.document ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst doc = model.document;\n\t\tconst isComposing = view.document.isComposing;\n\t\tconst isSelectionUnchanged = latestCompositionSelection && latestCompositionSelection.isEqual( doc.selection );\n\n\t\t// Reset stored composition selection.\n\t\tlatestCompositionSelection = null;\n\n\t\t// By relying on the state of the input command we allow disabling the entire input easily\n\t\t// by just disabling the input command. We could’ve used here the delete command but that\n\t\t// would mean requiring the delete feature which would block loading one without the other.\n\t\t// We could also check the editor.isReadOnly property, but that wouldn't allow to block\n\t\t// the input without blocking other features.\n\t\tif ( !inputCommand.isEnabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( isNonTypingKeystroke( evtData ) || doc.selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If during composition, deletion should be prevented as it may remove composed sequence (#83).\n\t\tif ( isComposing && evtData.keyCode === 229 ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If there is a `keydown` event fired with '229' keycode it might be related\n\t\t// to recent composition. Check if selection is the same as upon ending recent composition,\n\t\t// if so do not remove selected content as it will remove composed sequence (#83).\n\t\tif ( !isComposing && evtData.keyCode === 229 && isSelectionUnchanged ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdeleteSelectionContent();\n\t}\n\n\t// Handles the `compositionstart` event. It is used only in special cases to remove the contents\n\t// of a non-collapsed selection so composition itself does not result in complex mutations.\n\t//\n\t// The special case mentioned above is a situation in which the `keydown` event is fired after\n\t// `compositionstart` event. In such cases {@link #handleKeydown} cannot clear current selection\n\t// contents (because it is too late and will break the composition) so the composition handler takes care of it.\n\tfunction handleCompositionStart() {\n\t\tconst doc = model.document;\n\t\tconst isFlatSelection = doc.selection.rangeCount === 1 ? doc.selection.getFirstRange().isFlat : true;\n\n\t\t// If on `compositionstart` there is a non-collapsed selection which start and end have different parents\n\t\t// it means the `handleKeydown()` method did not remove its contents. It happens usually because\n\t\t// of different order of events (`compositionstart` before `keydown` - in Safari). In such cases\n\t\t// we need to remove selection contents on composition start (#83).\n\t\tif ( doc.selection.isCollapsed || isFlatSelection ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdeleteSelectionContent();\n\t}\n\n\tfunction deleteSelectionContent() {\n\t\tconst buffer = inputCommand.buffer;\n\n\t\tbuffer.lock();\n\n\t\tconst batch = buffer.batch;\n\n\t\tmodel.enqueueChange( batch, () => {\n\t\t\tmodel.deleteContent( model.document.selection );\n\t\t} );\n\n\t\tbuffer.unlock();\n\t}\n}\n\nconst safeKeycodes = [\n\tgetCode( 'arrowUp' ),\n\tgetCode( 'arrowRight' ),\n\tgetCode( 'arrowDown' ),\n\tgetCode( 'arrowLeft' ),\n\t9, // Tab\n\t16, // Shift\n\t17, // Ctrl\n\t18, // Alt\n\t19, // Pause\n\t20, // CapsLock\n\t27, // Escape\n\t33, // PageUp\n\t34, // PageDown\n\t35, // Home\n\t36, // End,\n\t45, // Insert,\n\t91, // Windows,\n\t93, // Menu key,\n\t144, // NumLock\n\t145, // ScrollLock,\n\t173, // Mute/Unmute\n\t174, // Volume up\n\t175, // Volume down,\n\t176, // Next song,\n\t177, // Previous song,\n\t178, // Stop,\n\t179, // Play/Pause,\n\t255 // Display brightness (increase and decrease)\n];\n\n// Function keys.\nfor ( let code = 112; code <= 135; code++ ) {\n\tsafeKeycodes.push( code );\n}\n\n/**\n * Returns `true` if a keystroke will **not** result in \"typing\".\n *\n * For instance, keystrokes that result in typing are letters \"a-zA-Z\", numbers \"0-9\", delete, backspace, etc.\n *\n * Keystrokes that do not cause typing are, for instance, Fn keys (F5, F8, etc.), arrow keys (←, →, ↑, ↓),\n * Tab (↹), \"Windows logo key\" (⊞ Win), etc.\n *\n * Note: This implementation is very simple and will need to be refined with time.\n *\n * @param {module:engine/view/observer/keyobserver~KeyEventData} keyData\n * @returns {Boolean}\n */\nexport function isNonTypingKeystroke( keyData ) {\n\t// Keystrokes which contain Ctrl or Cmd don't represent typing.\n\tif ( keyData.ctrlKey || keyData.metaKey ) {\n\t\treturn true;\n\t}\n\n\treturn safeKeycodes.includes( keyData.keyCode );\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./widgettypearound.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./widgettypearound.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* global DOMParser */\n\n/**\n * @module widget/widgettypearound\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Template from '@ckeditor/ckeditor5-ui/src/template';\nimport Enter from '@ckeditor/ckeditor5-enter/src/enter';\nimport Delete from '@ckeditor/ckeditor5-typing/src/delete';\nimport {\n\tisForwardArrowKeyCode,\n\tkeyCodes\n} from '@ckeditor/ckeditor5-utils/src/keyboard';\n\nimport {\n\tisTypeAroundWidget,\n\tgetClosestTypeAroundDomButton,\n\tgetTypeAroundButtonPosition,\n\tgetClosestWidgetViewElement,\n\tgetTypeAroundFakeCaretPosition,\n\tTYPE_AROUND_SELECTION_ATTRIBUTE\n} from './utils';\n\nimport {\n\tisNonTypingKeystroke\n} from '@ckeditor/ckeditor5-typing/src/utils/injectunsafekeystrokeshandling';\n\nimport { isWidget } from '../utils';\n\nimport returnIcon from '../../theme/icons/return-arrow.svg';\nimport '../../theme/widgettypearound.css';\n\nconst POSSIBLE_INSERTION_POSITIONS = [ 'before', 'after' ];\n\n// Do the SVG parsing once and then clone the result <svg> DOM element for each new button.\nconst RETURN_ARROW_ICON_ELEMENT = new DOMParser().parseFromString( returnIcon, 'image/svg+xml' ).firstChild;\n\nconst PLUGIN_DISABLED_EDITING_ROOT_CLASS = 'ck-widget__type-around_disabled';\n\n/**\n * A plugin that allows users to type around widgets where normally it is impossible to place the caret due\n * to limitations of web browsers. These \"tight spots\" occur, for instance, before (or after) a widget being\n * the first (or last) child of its parent or between two block widgets.\n *\n * This plugin extends the {@link module:widget/widget~Widget `Widget`} plugin and injects the user interface\n * with two buttons into each widget instance in the editor. Each of the buttons can be clicked by the\n * user if the widget is next to the \"tight spot\". Once clicked, a paragraph is created with the selection anchored\n * in it so that users can type (or insert content, paste, etc.) straight away.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class WidgetTypeAround extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'WidgetTypeAround';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Enter, Delete ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A reference to the model widget element that has the fake caret active\n\t\t * on either side of it. It is later used to remove CSS classes associated with the fake caret\n\t\t * when the widget no longer needs it.\n\t\t *\n\t\t * @private\n\t\t * @member {module:engine/model/element~Element|null}\n\t\t */\n\t\tthis._currentFakeCaretModelElement = null;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\t// Set a CSS class on the view editing root when the plugin is disabled so all the buttons\n\t\t// and lines visually disappear. All the interactions are disabled in individual plugin methods.\n\t\tthis.on( 'change:isEnabled', ( evt, data, isEnabled ) => {\n\t\t\teditingView.change( writer => {\n\t\t\t\tfor ( const root of editingView.document.roots ) {\n\t\t\t\t\tif ( isEnabled ) {\n\t\t\t\t\t\twriter.removeClass( PLUGIN_DISABLED_EDITING_ROOT_CLASS, root );\n\t\t\t\t\t} else {\n\t\t\t\t\t\twriter.addClass( PLUGIN_DISABLED_EDITING_ROOT_CLASS, root );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tif ( !isEnabled ) {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\n\t\tthis._enableTypeAroundUIInjection();\n\t\tthis._enableInsertingParagraphsOnButtonClick();\n\t\tthis._enableInsertingParagraphsOnEnterKeypress();\n\t\tthis._enableInsertingParagraphsOnTypingKeystroke();\n\t\tthis._enableTypeAroundFakeCaretActivationUsingKeyboardArrows();\n\t\tthis._enableDeleteIntegration();\n\t\tthis._enableInsertContentIntegration();\n\t\tthis._enableDeleteContentIntegration();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis._currentFakeCaretModelElement = null;\n\t}\n\n\t/**\n\t * Inserts a new paragraph next to a widget element with the selection anchored in it.\n\t *\n\t * **Note**: This method is heavily user-oriented and will both focus the editing view and scroll\n\t * the viewport to the selection in the inserted paragraph.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} widgetModelElement The model widget element next to which a paragraph is inserted.\n\t * @param {'before'|'after'} position The position where the paragraph is inserted. Either `'before'` or `'after'` the widget.\n\t */\n\t_insertParagraph( widgetModelElement, position ) {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\teditor.execute( 'insertParagraph', {\n\t\t\tposition: editor.model.createPositionAt( widgetModelElement, position )\n\t\t} );\n\n\t\teditingView.focus();\n\t\teditingView.scrollToTheSelection();\n\t}\n\n\t/**\n\t * A wrapper for the {@link module:utils/emittermixin~EmitterMixin#listenTo} method that executes the callbacks only\n\t * when the plugin {@link #isEnabled is enabled}.\n\t *\n\t * @private\n\t * @param {module:utils/emittermixin~Emitter} emitter The object that fires the event.\n\t * @param {String} event The name of the event.\n\t * @param {Function} callback The function to be called on event.\n\t * @param {Object} [options={}] Additional options.\n\t * @param {module:utils/priorities~PriorityString|Number} [options.priority='normal'] The priority of this event callback. The higher\n\t * the priority value the sooner the callback will be fired. Events having the same priority are called in the\n\t * order they were added.\n\t */\n\t_listenToIfEnabled( emitter, event, callback, options ) {\n\t\tthis.listenTo( emitter, event, ( ...args ) => {\n\t\t\t// Do not respond if the plugin is disabled.\n\t\t\tif ( this.isEnabled ) {\n\t\t\t\tcallback( ...args );\n\t\t\t}\n\t\t}, options );\n\t}\n\n\t/**\n\t * Similar to {@link #_insertParagraph}, this method inserts a paragraph except that it\n\t * does not expect a position. Instead, it performs the insertion next to a selected widget\n\t * according to the `widget-type-around` model selection attribute value (fake caret position).\n\t *\n\t * Because this method requires the `widget-type-around` attribute to be set,\n\t * the insertion can only happen when the widget's fake caret is active (e.g. activated\n\t * using the keyboard).\n\t *\n\t * @private\n\t * @returns {Boolean} Returns `true` when the paragraph was inserted (the attribute was present) and `false` otherwise.\n\t */\n\t_insertParagraphAccordingToFakeCaretPosition() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( modelSelection );\n\n\t\tif ( !typeAroundFakeCaretPosition ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst selectedModelElement = modelSelection.getSelectedElement();\n\n\t\tthis._insertParagraph( selectedModelElement, typeAroundFakeCaretPosition );\n\n\t\treturn true;\n\t}\n\n\t/**\n\t * Creates a listener in the editing conversion pipeline that injects the widget type around\n\t * UI into every single widget instance created in the editor.\n\t *\n\t * The UI is delivered as a {@link module:engine/view/uielement~UIElement}\n\t * wrapper which renders DOM buttons that users can use to insert paragraphs.\n\t *\n\t * @private\n\t */\n\t_enableTypeAroundUIInjection() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst t = editor.locale.t;\n\t\tconst buttonTitles = {\n\t\t\tbefore: t( 'Insert paragraph before block' ),\n\t\t\tafter: t( 'Insert paragraph after block' )\n\t\t};\n\n\t\teditor.editing.downcastDispatcher.on( 'insert', ( evt, data, conversionApi ) => {\n\t\t\tconst viewElement = conversionApi.mapper.toViewElement( data.item );\n\n\t\t\t// Filter out non-widgets and inline widgets.\n\t\t\tif ( isTypeAroundWidget( viewElement, data.item, schema ) ) {\n\t\t\t\tinjectUIIntoWidget( conversionApi.writer, buttonTitles, viewElement );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * Brings support for the fake caret that appears when either:\n\t *\n\t * * the selection moves to a widget from a position next to it using arrow keys,\n\t * * the arrow key is pressed when the widget is already selected.\n\t *\n\t * The fake caret lets the user know that they can start typing or just press\n\t * <kbd>Enter</kbd> to insert a paragraph at the position next to a widget as suggested by the fake caret.\n\t *\n\t * The fake caret disappears when the user changes the selection or the editor\n\t * gets blurred.\n\t *\n\t * The whole idea is as follows:\n\t *\n\t * 1. A user does one of the 2 scenarios described at the beginning.\n\t * 2. The \"keydown\" listener is executed and the decision is made whether to show or hide the fake caret.\n\t * 3. If it should show up, the `widget-type-around` model selection attribute is set indicating\n\t *    on which side of the widget it should appear.\n\t * 4. The selection dispatcher reacts to the selection attribute and sets CSS classes responsible for the\n\t *    fake caret on the view widget.\n\t * 5. If the fake caret should disappear, the selection attribute is removed and the dispatcher\n\t *    does the CSS class clean-up in the view.\n\t * 6. Additionally, `change:range` and `FocusTracker#isFocused` listeners also remove the selection\n\t *    attribute (the former also removes widget CSS classes).\n\t *\n\t * @private\n\t */\n\t_enableTypeAroundFakeCaretActivationUsingKeyboardArrows() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst schema = model.schema;\n\t\tconst editingView = editor.editing.view;\n\n\t\t// This is the main listener responsible for the fake caret.\n\t\t// Note: The priority must precede the default Widget class keydown handler (\"high\").\n\t\tthis._listenToIfEnabled( editingView.document, 'arrowKey', ( evt, domEventData ) => {\n\t\t\tthis._handleArrowKeyPress( evt, domEventData );\n\t\t}, { context: [ isWidget, '$text' ], priority: 'high' } );\n\n\t\t// This listener makes sure the widget type around selection attribute will be gone from the model\n\t\t// selection as soon as the model range changes. This attribute only makes sense when a widget is selected\n\t\t// (and the \"fake horizontal caret\" is visible) so whenever the range changes (e.g. selection moved somewhere else),\n\t\t// let's get rid of the attribute so that the selection downcast dispatcher isn't even bothered.\n\t\tthis._listenToIfEnabled( modelSelection, 'change:range', ( evt, data ) => {\n\t\t\t// Do not reset the selection attribute when the change was indirect.\n\t\t\tif ( !data.directChange ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Get rid of the widget type around attribute of the selection on every change:range.\n\t\t\t// If the range changes, it means for sure, the user is no longer in the active (\"fake horizontal caret\") mode.\n\t\t\teditor.model.change( writer => {\n\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\t\t\t} );\n\t\t} );\n\n\t\t// Get rid of the widget type around attribute of the selection on every document change\n\t\t// that makes widget not selected any more (i.e. widget was removed).\n\t\tthis._listenToIfEnabled( model.document, 'change:data', () => {\n\t\t\tconst selectedModelElement = modelSelection.getSelectedElement();\n\n\t\t\tif ( selectedModelElement ) {\n\t\t\t\tconst selectedViewElement = editor.editing.mapper.toViewElement( selectedModelElement );\n\n\t\t\t\tif ( isTypeAroundWidget( selectedViewElement, selectedModelElement, schema ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\teditor.model.change( writer => {\n\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\t\t\t} );\n\t\t} );\n\n\t\t// React to changes of the model selection attribute made by the arrow keys listener.\n\t\t// If the block widget is selected and the attribute changes, downcast the attribute to special\n\t\t// CSS classes associated with the active (\"fake horizontal caret\") mode of the widget.\n\t\tthis._listenToIfEnabled( editor.editing.downcastDispatcher, 'selection', ( evt, data, conversionApi ) => {\n\t\t\tconst writer = conversionApi.writer;\n\n\t\t\tif ( this._currentFakeCaretModelElement ) {\n\t\t\t\tconst selectedViewElement = conversionApi.mapper.toViewElement( this._currentFakeCaretModelElement );\n\n\t\t\t\tif ( selectedViewElement ) {\n\t\t\t\t\t// Get rid of CSS classes associated with the active (\"fake horizontal caret\") mode from the view widget.\n\t\t\t\t\twriter.removeClass( POSSIBLE_INSERTION_POSITIONS.map( positionToWidgetCssClass ), selectedViewElement );\n\n\t\t\t\t\tthis._currentFakeCaretModelElement = null;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst selectedModelElement = data.selection.getSelectedElement();\n\n\t\t\tif ( !selectedModelElement ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst selectedViewElement = conversionApi.mapper.toViewElement( selectedModelElement );\n\n\t\t\tif ( !isTypeAroundWidget( selectedViewElement, selectedModelElement, schema ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( data.selection );\n\n\t\t\tif ( !typeAroundFakeCaretPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\twriter.addClass( positionToWidgetCssClass( typeAroundFakeCaretPosition ), selectedViewElement );\n\n\t\t\t// Remember the view widget that got the \"fake-caret\" CSS class. This class should be removed ASAP when the\n\t\t\t// selection changes\n\t\t\tthis._currentFakeCaretModelElement = selectedModelElement;\n\t\t} );\n\n\t\tthis._listenToIfEnabled( editor.ui.focusTracker, 'change:isFocused', ( evt, name, isFocused ) => {\n\t\t\tif ( !isFocused ) {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\n\t\tfunction positionToWidgetCssClass( position ) {\n\t\t\treturn `ck-widget_type-around_show-fake-caret_${ position }`;\n\t\t}\n\t}\n\n\t/**\n\t * A listener executed on each \"keydown\" in the view document, a part of\n\t * {@link #_enableTypeAroundFakeCaretActivationUsingKeyboardArrows}.\n\t *\n\t * It decides whether the arrow keypress should activate the fake caret or not (also whether it should\n\t * be deactivated).\n\t *\n\t * The fake caret activation is done by setting the `widget-type-around` model selection attribute\n\t * in this listener, and stopping and preventing the event that would normally be handled by the widget\n\t * plugin that is responsible for the regular keyboard navigation near/across all widgets (that\n\t * includes inline widgets, which are ignored by the widget type around plugin).\n\t *\n\t * @private\n\t */\n\t_handleArrowKeyPress( evt, domEventData ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst schema = model.schema;\n\t\tconst editingView = editor.editing.view;\n\n\t\tconst keyCode = domEventData.keyCode;\n\t\tconst isForward = isForwardArrowKeyCode( keyCode, editor.locale.contentLanguageDirection );\n\t\tconst selectedViewElement = editingView.document.selection.getSelectedElement();\n\t\tconst selectedModelElement = editor.editing.mapper.toModelElement( selectedViewElement );\n\t\tlet shouldStopAndPreventDefault;\n\n\t\t// Handle keyboard navigation when a type-around-compatible widget is currently selected.\n\t\tif ( isTypeAroundWidget( selectedViewElement, selectedModelElement, schema ) ) {\n\t\t\tshouldStopAndPreventDefault = this._handleArrowKeyPressOnSelectedWidget( isForward );\n\t\t}\n\t\t// Handle keyboard arrow navigation when the selection is next to a type-around-compatible widget\n\t\t// and the widget is about to be selected.\n\t\telse if ( modelSelection.isCollapsed ) {\n\t\t\tshouldStopAndPreventDefault = this._handleArrowKeyPressWhenSelectionNextToAWidget( isForward );\n\t\t}\n\t\t// Handle collapsing a non-collapsed selection that is wider than on a single widget.\n\t\telse if ( !domEventData.shiftKey ) {\n\t\t\tshouldStopAndPreventDefault = this._handleArrowKeyPressWhenNonCollapsedSelection( isForward );\n\t\t}\n\n\t\tif ( shouldStopAndPreventDefault ) {\n\t\t\tdomEventData.preventDefault();\n\t\t\tevt.stop();\n\t\t}\n\t}\n\n\t/**\n\t * Handles the keyboard navigation on \"keydown\" when a widget is currently selected and activates or deactivates\n\t * the fake caret for that widget, depending on the current value of the `widget-type-around` model\n\t * selection attribute and the direction of the pressed arrow key.\n\t *\n\t * @private\n\t * @param {Boolean} isForward `true` when the pressed arrow key was responsible for the forward model selection movement\n\t * as in {@link module:utils/keyboard~isForwardArrowKeyCode}.\n\t * @returns {Boolean} Returns `true` when the keypress was handled and no other keydown listener of the editor should\n\t * process the event any further. Returns `false` otherwise.\n\t */\n\t_handleArrowKeyPressOnSelectedWidget( isForward ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( modelSelection );\n\n\t\treturn model.change( writer => {\n\t\t\t// If the fake caret is displayed...\n\t\t\tif ( typeAroundFakeCaretPosition ) {\n\t\t\t\tconst isLeavingWidget = typeAroundFakeCaretPosition === ( isForward ? 'after' : 'before' );\n\n\t\t\t\t// If the keyboard arrow works against the value of the selection attribute...\n\t\t\t\t// then remove the selection attribute but prevent default DOM actions\n\t\t\t\t// and do not let the Widget plugin listener move the selection. This brings\n\t\t\t\t// the widget back to the state, for instance, like if was selected using the mouse.\n\t\t\t\t//\n\t\t\t\t// **Note**: If leaving the widget when the fake caret is active, then the default\n\t\t\t\t// Widget handler will change the selection and, in turn, this will automatically discard\n\t\t\t\t// the selection attribute.\n\t\t\t\tif ( !isLeavingWidget ) {\n\t\t\t\t\twriter.removeSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE );\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t\t// If the fake caret wasn't displayed, let's set it now according to the direction of the arrow\n\t\t\t// key press. This also means we cannot let the Widget plugin listener move the selection.\n\t\t\telse {\n\t\t\t\twriter.setSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE, isForward ? 'after' : 'before' );\n\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\treturn false;\n\t\t} );\n\t}\n\n\t/**\n\t * Handles the keyboard navigation on \"keydown\" when **no** widget is selected but the selection is **directly** next\n\t * to one and upon the fake caret should become active for this widget upon arrow keypress\n\t * (AKA entering/selecting the widget).\n\t *\n\t * **Note**: This code mirrors the implementation from the widget plugin but also adds the selection attribute.\n\t * Unfortunately, there is no safe way to let the widget plugin do the selection part first and then just set the\n\t * selection attribute here in the widget type around plugin. This is why this code must duplicate some from the widget plugin.\n\t *\n\t * @private\n\t * @param {Boolean} isForward `true` when the pressed arrow key was responsible for the forward model selection movement\n\t * as in {@link module:utils/keyboard~isForwardArrowKeyCode}.\n\t * @returns {Boolean} Returns `true` when the keypress was handled and no other keydown listener of the editor should\n\t * process the event any further. Returns `false` otherwise.\n\t */\n\t_handleArrowKeyPressWhenSelectionNextToAWidget( isForward ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst schema = model.schema;\n\t\tconst widgetPlugin = editor.plugins.get( 'Widget' );\n\n\t\t// This is the widget the selection is about to be set on.\n\t\tconst modelElementNextToSelection = widgetPlugin._getObjectElementNextToSelection( isForward );\n\t\tconst viewElementNextToSelection = editor.editing.mapper.toViewElement( modelElementNextToSelection );\n\n\t\tif ( isTypeAroundWidget( viewElementNextToSelection, modelElementNextToSelection, schema ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twidgetPlugin._setSelectionOverElement( modelElementNextToSelection );\n\t\t\t\twriter.setSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE, isForward ? 'before' : 'after' );\n\t\t\t} );\n\n\t\t\t// The change() block above does the same job as the Widget plugin. The event can\n\t\t\t// be safely canceled.\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Handles the keyboard navigation on \"keydown\" when a widget is currently selected (together with some other content)\n\t * and the widget is the first or last element in the selection. It activates or deactivates the fake caret for that widget.\n\t *\n\t * @private\n\t * @param {Boolean} isForward `true` when the pressed arrow key was responsible for the forward model selection movement\n\t * as in {@link module:utils/keyboard~isForwardArrowKeyCode}.\n\t * @returns {Boolean} Returns `true` when the keypress was handled and no other keydown listener of the editor should\n\t * process the event any further. Returns `false` otherwise.\n\t */\n\t_handleArrowKeyPressWhenNonCollapsedSelection( isForward ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst schema = model.schema;\n\t\tconst mapper = editor.editing.mapper;\n\t\tconst modelSelection = model.document.selection;\n\n\t\tconst selectedModelNode = isForward ?\n\t\t\tmodelSelection.getLastPosition().nodeBefore :\n\t\t\tmodelSelection.getFirstPosition().nodeAfter;\n\n\t\tconst selectedViewNode = mapper.toViewElement( selectedModelNode );\n\n\t\t// There is a widget at the collapse position so collapse the selection to the fake caret on it.\n\t\tif ( isTypeAroundWidget( selectedViewNode, selectedModelNode, schema ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( selectedModelNode, 'on' );\n\t\t\t\twriter.setSelectionAttribute( TYPE_AROUND_SELECTION_ATTRIBUTE, isForward ? 'after' : 'before' );\n\t\t\t} );\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Registers a `mousedown` listener for the view document which intercepts events\n\t * coming from the widget type around UI, which happens when a user clicks one of the buttons\n\t * that insert a paragraph next to a widget.\n\t *\n\t * @private\n\t */\n\t_enableInsertingParagraphsOnButtonClick() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\tthis._listenToIfEnabled( editingView.document, 'mousedown', ( evt, domEventData ) => {\n\t\t\tconst button = getClosestTypeAroundDomButton( domEventData.domTarget );\n\n\t\t\tif ( !button ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst buttonPosition = getTypeAroundButtonPosition( button );\n\t\t\tconst widgetViewElement = getClosestWidgetViewElement( button, editingView.domConverter );\n\t\t\tconst widgetModelElement = editor.editing.mapper.toModelElement( widgetViewElement );\n\n\t\t\tthis._insertParagraph( widgetModelElement, buttonPosition );\n\n\t\t\tdomEventData.preventDefault();\n\t\t\tevt.stop();\n\t\t} );\n\t}\n\n\t/**\n\t * Creates the <kbd>Enter</kbd> key listener on the view document that allows the user to insert a paragraph\n\t * near the widget when either:\n\t *\n\t * * The fake caret was first activated using the arrow keys,\n\t * * The entire widget is selected in the model.\n\t *\n\t * In the first case, the new paragraph is inserted according to the `widget-type-around` selection\n\t * attribute (see {@link #_handleArrowKeyPress}).\n\t *\n\t * In the second case, the new paragraph is inserted based on whether a soft (<kbd>Shift</kbd>+<kbd>Enter</kbd>) keystroke\n\t * was pressed or not.\n\t *\n\t * @private\n\t */\n\t_enableInsertingParagraphsOnEnterKeypress() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst editingView = editor.editing.view;\n\n\t\tthis._listenToIfEnabled( editingView.document, 'enter', ( evt, domEventData ) => {\n\t\t\t// This event could be triggered from inside the widget but we are interested\n\t\t\t// only when the widget is selected itself.\n\t\t\tif ( evt.eventPhase != 'atTarget' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst selectedModelElement = selection.getSelectedElement();\n\t\t\tconst selectedViewElement = editor.editing.mapper.toViewElement( selectedModelElement );\n\n\t\t\tconst schema = editor.model.schema;\n\t\t\tlet wasHandled;\n\n\t\t\t// First check if the widget is selected and there's a type around selection attribute associated\n\t\t\t// with the fake caret that would tell where to insert a new paragraph.\n\t\t\tif ( this._insertParagraphAccordingToFakeCaretPosition() ) {\n\t\t\t\twasHandled = true;\n\t\t\t}\n\t\t\t// Then, if there is no selection attribute associated with the fake caret, check if the widget\n\t\t\t// simply is selected and create a new paragraph according to the keystroke (Shift+)Enter.\n\t\t\telse if ( isTypeAroundWidget( selectedViewElement, selectedModelElement, schema ) ) {\n\t\t\t\tthis._insertParagraph( selectedModelElement, domEventData.isSoft ? 'before' : 'after' );\n\n\t\t\t\twasHandled = true;\n\t\t\t}\n\n\t\t\tif ( wasHandled ) {\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { context: isWidget } );\n\t}\n\n\t/**\n\t * Similar to the {@link #_enableInsertingParagraphsOnEnterKeypress}, it allows the user\n\t * to insert a paragraph next to a widget when the fake caret was activated using arrow\n\t * keys but it responds to typing keystrokes instead of <kbd>Enter</kbd>.\n\t *\n\t * \"Typing keystrokes\" are keystrokes that insert new content into the document,\n\t * for instance, letters (\"a\") or numbers (\"4\"). The \"keydown\" listener enabled by this method\n\t * will insert a new paragraph according to the `widget-type-around` model selection attribute\n\t * as the user simply starts typing, which creates the impression that the fake caret\n\t * behaves like a real one rendered by the browser (AKA your text appears where the caret was).\n\t *\n\t * **Note**: At the moment this listener creates 2 undo steps: one for the `insertParagraph` command\n\t * and another one for actual typing. It is not a disaster but this may need to be fixed\n\t * sooner or later.\n\t *\n\t * Learn more in {@link module:typing/utils/injectunsafekeystrokeshandling}.\n\t *\n\t * @private\n\t */\n\t_enableInsertingParagraphsOnTypingKeystroke() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\t\tconst keyCodesHandledSomewhereElse = [\n\t\t\tkeyCodes.enter,\n\t\t\tkeyCodes.delete,\n\t\t\tkeyCodes.backspace\n\t\t];\n\n\t\t// Note: The priority must precede the default observers.\n\t\tthis._listenToIfEnabled( editingView.document, 'keydown', ( evt, domEventData ) => {\n\t\t\t// Don't handle enter/backspace/delete here. They are handled in dedicated listeners.\n\t\t\tif ( !keyCodesHandledSomewhereElse.includes( domEventData.keyCode ) && !isNonTypingKeystroke( domEventData ) ) {\n\t\t\t\tthis._insertParagraphAccordingToFakeCaretPosition();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * It creates a \"delete\" event listener on the view document to handle cases when the <kbd>Delete</kbd> or <kbd>Backspace</kbd>\n\t * is pressed and the fake caret is currently active.\n\t *\n\t * The fake caret should create an illusion of a real browser caret so that when it appears before or after\n\t * a widget, pressing <kbd>Delete</kbd> or <kbd>Backspace</kbd> should remove a widget or delete the content\n\t * before or after a widget (depending on the content surrounding the widget).\n\t *\n\t * @private\n\t */\n\t_enableDeleteIntegration() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\t\tconst model = editor.model;\n\t\tconst schema = model.schema;\n\n\t\tthis._listenToIfEnabled( editingView.document, 'delete', ( evt, domEventData ) => {\n\t\t\t// This event could be triggered from inside the widget but we are interested\n\t\t\t// only when the widget is selected itself.\n\t\t\tif ( evt.eventPhase != 'atTarget' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( model.document.selection );\n\n\t\t\t// This listener handles only these cases when the fake caret is active.\n\t\t\tif ( !typeAroundFakeCaretPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst direction = domEventData.direction;\n\t\t\tconst selectedModelWidget = model.document.selection.getSelectedElement();\n\n\t\t\tconst isFakeCaretBefore = typeAroundFakeCaretPosition === 'before';\n\t\t\tconst isDeleteForward = direction == 'forward';\n\t\t\tconst shouldDeleteEntireWidget = isFakeCaretBefore === isDeleteForward;\n\n\t\t\tif ( shouldDeleteEntireWidget ) {\n\t\t\t\teditor.execute( 'delete', {\n\t\t\t\t\tselection: model.createSelection( selectedModelWidget, 'on' )\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\tconst range = schema.getNearestSelectionRange(\n\t\t\t\t\tmodel.createPositionAt( selectedModelWidget, typeAroundFakeCaretPosition ),\n\t\t\t\t\tdirection\n\t\t\t\t);\n\n\t\t\t\t// If there is somewhere to move selection to, then there will be something to delete.\n\t\t\t\tif ( range ) {\n\t\t\t\t\t// If the range is NOT collapsed, then we know that the range contains an object (see getNearestSelectionRange() docs).\n\t\t\t\t\tif ( !range.isCollapsed ) {\n\t\t\t\t\t\tmodel.change( writer => {\n\t\t\t\t\t\t\twriter.setSelection( range );\n\t\t\t\t\t\t\teditor.execute( isDeleteForward ? 'deleteForward' : 'delete' );\n\t\t\t\t\t\t} );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tconst probe = model.createSelection( range.start );\n\t\t\t\t\t\tmodel.modifySelection( probe, { direction } );\n\n\t\t\t\t\t\t// If the range is collapsed, let's see if a non-collapsed range exists that can could be deleted.\n\t\t\t\t\t\t// If such range exists, use the editor command because it it safe for collaboration (it merges where it can).\n\t\t\t\t\t\tif ( !probe.focus.isEqual( range.start ) ) {\n\t\t\t\t\t\t\tmodel.change( writer => {\n\t\t\t\t\t\t\t\twriter.setSelection( range );\n\t\t\t\t\t\t\t\teditor.execute( isDeleteForward ? 'deleteForward' : 'delete' );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\t\t\t\t\t\t// If there is no non-collapsed range to be deleted then we are sure that there is an empty element\n\t\t\t\t\t\t// next to a widget that should be removed. \"delete\" and \"deleteForward\" commands cannot get rid of it\n\t\t\t\t\t\t// so calling Model#deleteContent here manually.\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tconst deepestEmptyRangeAncestor = getDeepestEmptyElementAncestor( schema, range.start.parent );\n\n\t\t\t\t\t\t\tmodel.deleteContent( model.createSelection( deepestEmptyRangeAncestor, 'on' ), {\n\t\t\t\t\t\t\t\tdoNotAutoparagraph: true\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If some content was deleted, don't let the handler from the Widget plugin kick in.\n\t\t\t// If nothing was deleted, then the default handler will have nothing to do anyway.\n\t\t\tdomEventData.preventDefault();\n\t\t\tevt.stop();\n\t\t}, { context: isWidget } );\n\t}\n\n\t/**\n\t * Attaches the {@link module:engine/model/model~Model#event:insertContent} event listener that, for instance, allows the user to paste\n\t * content near a widget when the fake caret is first activated using the arrow keys.\n\t *\n\t * The content is inserted according to the `widget-type-around` selection attribute (see {@link #_handleArrowKeyPress}).\n\t *\n\t * @private\n\t */\n\t_enableInsertContentIntegration() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst documentSelection = model.document.selection;\n\n\t\tthis._listenToIfEnabled( editor.model, 'insertContent', ( evt, [ content, selectable ] ) => {\n\t\t\tif ( selectable && !selectable.is( 'documentSelection' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( documentSelection );\n\n\t\t\tif ( !typeAroundFakeCaretPosition ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tevt.stop();\n\n\t\t\treturn model.change( writer => {\n\t\t\t\tconst selectedElement = documentSelection.getSelectedElement();\n\t\t\t\tconst position = model.createPositionAt( selectedElement, typeAroundFakeCaretPosition );\n\t\t\t\tconst selection = writer.createSelection( position );\n\n\t\t\t\tconst result = model.insertContent( content, selection );\n\n\t\t\t\twriter.setSelection( selection );\n\n\t\t\t\treturn result;\n\t\t\t} );\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * Attaches the {@link module:engine/model/model~Model#event:deleteContent} event listener to block the event when the fake\n\t * caret is active.\n\t *\n\t * This is required for cases that trigger {@link module:engine/model/model~Model#deleteContent `model.deleteContent()`}\n\t * before calling {@link module:engine/model/model~Model#insertContent `model.insertContent()`} like, for instance,\n\t * plain text pasting.\n\t *\n\t * @private\n\t */\n\t_enableDeleteContentIntegration() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst documentSelection = model.document.selection;\n\n\t\tthis._listenToIfEnabled( editor.model, 'deleteContent', ( evt, [ selection ] ) => {\n\t\t\tif ( selection && !selection.is( 'documentSelection' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst typeAroundFakeCaretPosition = getTypeAroundFakeCaretPosition( documentSelection );\n\n\t\t\t// Disable removing the selection content while pasting plain text.\n\t\t\tif ( typeAroundFakeCaretPosition ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t}\n}\n\n// Injects the type around UI into a view widget instance.\n//\n// @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n// @param {Object.<String,String>} buttonTitles\n// @param {module:engine/view/element~Element} widgetViewElement\nfunction injectUIIntoWidget( viewWriter, buttonTitles, widgetViewElement ) {\n\tconst typeAroundWrapper = viewWriter.createUIElement( 'div', {\n\t\tclass: 'ck ck-reset_all ck-widget__type-around'\n\t}, function( domDocument ) {\n\t\tconst wrapperDomElement = this.toDomElement( domDocument );\n\n\t\tinjectButtons( wrapperDomElement, buttonTitles );\n\t\tinjectFakeCaret( wrapperDomElement );\n\n\t\treturn wrapperDomElement;\n\t} );\n\n\t// Inject the type around wrapper into the widget's wrapper.\n\tviewWriter.insert( viewWriter.createPositionAt( widgetViewElement, 'end' ), typeAroundWrapper );\n}\n\n// FYI: Not using the IconView class because each instance would need to be destroyed to avoid memory leaks\n// and it's pretty hard to figure out when a view (widget) is gone for good so it's cheaper to use raw\n// <svg> here.\n//\n// @param {HTMLElement} wrapperDomElement\n// @param {Object.<String,String>} buttonTitles\nfunction injectButtons( wrapperDomElement, buttonTitles ) {\n\tfor ( const position of POSSIBLE_INSERTION_POSITIONS ) {\n\t\tconst buttonTemplate = new Template( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-widget__type-around__button',\n\t\t\t\t\t`ck-widget__type-around__button_${ position }`\n\t\t\t\t],\n\t\t\t\ttitle: buttonTitles[ position ]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\twrapperDomElement.ownerDocument.importNode( RETURN_ARROW_ICON_ELEMENT, true )\n\t\t\t]\n\t\t} );\n\n\t\twrapperDomElement.appendChild( buttonTemplate.render() );\n\t}\n}\n\n// @param {HTMLElement} wrapperDomElement\nfunction injectFakeCaret( wrapperDomElement ) {\n\tconst caretTemplate = new Template( {\n\t\ttag: 'div',\n\t\tattributes: {\n\t\t\tclass: [\n\t\t\t\t'ck',\n\t\t\t\t'ck-widget__type-around__fake-caret'\n\t\t\t]\n\t\t}\n\t} );\n\n\twrapperDomElement.appendChild( caretTemplate.render() );\n}\n\n// Returns the ancestor of an element closest to the root which is empty. For instance,\n// for `<baz>`:\n//\n//\t\t<foo>abc<bar><baz></baz></bar></foo>\n//\n// it returns `<bar>`.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/model/element~Element} element\n// @returns {module:engine/model/element~Element|null}\nfunction getDeepestEmptyElementAncestor( schema, element ) {\n\tlet deepestEmptyAncestor = element;\n\n\tfor ( const ancestor of element.getAncestors( { parentFirst: true } ) ) {\n\t\tif ( ancestor.childCount > 1 || schema.isLimit( ancestor ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\tdeepestEmptyAncestor = ancestor;\n\t}\n\n\treturn deepestEmptyAncestor;\n}\n","export default \"<svg viewBox=\\\"0 0 10 8\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M9.055.263v3.972h-6.77M1 4.216l2-2.038m-2 2 2 2.038\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\n\n/**\n * @module widget/verticalnavigationhandler\n */\n\n/**\n * Returns 'keydown' handler for up/down arrow keys that modifies the caret movement if it's in a text line next to an object.\n *\n * @param {module:engine/controller/editingcontroller~EditingController} editing The editing controller.\n * @returns {Function}\n */\nexport default function verticalNavigationHandler( editing ) {\n\tconst model = editing.model;\n\n\treturn ( evt, data ) => {\n\t\tconst arrowUpPressed = data.keyCode == keyCodes.arrowup;\n\t\tconst arrowDownPressed = data.keyCode == keyCodes.arrowdown;\n\t\tconst expandSelection = data.shiftKey;\n\t\tconst selection = model.document.selection;\n\n\t\tif ( !arrowUpPressed && !arrowDownPressed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst isForward = arrowDownPressed;\n\n\t\t// Navigation is in the opposite direction than the selection direction so this is shrinking of the selection.\n\t\t// Selection for sure will not approach any object.\n\t\tif ( expandSelection && selectionWillShrink( selection, isForward ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Find a range between selection and closest limit element.\n\t\tconst range = findTextRangeFromSelection( editing, selection, isForward );\n\n\t\t// There is no selection position inside the limit element.\n\t\tif ( !range ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If already at the edge of a limit element.\n\t\tif ( range.isCollapsed ) {\n\t\t\t// A collapsed selection at limit edge - nothing more to do.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// A non collapsed selection is at the limit edge while expanding the selection - let others do their stuff.\n\t\t\telse if ( expandSelection ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\t// If the range is a single line (there is no word wrapping) then move the selection to the position closest to the limit element.\n\t\t//\n\t\t// We can't move the selection directly to the isObject element (eg. table cell) because of dual position at the end/beginning\n\t\t// of wrapped line (it's at the same time at the end of one line and at the start of the next line).\n\t\tif ( range.isCollapsed || isSingleLineRange( editing, range, isForward ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\tconst newPosition = isForward ? range.end : range.start;\n\n\t\t\t\tif ( expandSelection ) {\n\t\t\t\t\tconst newSelection = model.createSelection( selection.anchor );\n\t\t\t\t\tnewSelection.setFocus( newPosition );\n\n\t\t\t\t\twriter.setSelection( newSelection );\n\t\t\t\t} else {\n\t\t\t\t\twriter.setSelection( newPosition );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tevt.stop();\n\t\t\tdata.preventDefault();\n\t\t\tdata.stopPropagation();\n\t\t}\n\t};\n}\n\n// Finds the range between selection and closest limit element (in the direction of navigation).\n// The position next to limit element is adjusted to the closest allowed `$text` position.\n//\n// Returns `null` if, according to the schema, the resulting range cannot contain a `$text` element.\n//\n// @param {module:engine/controller/editingcontroller~EditingController} editing The editing controller.\n// @param {module:engine/model/selection~Selection} selection The current selection.\n// @param {Boolean} isForward The expected navigation direction.\n// @returns {module:engine/model/range~Range|null}\n//\nfunction findTextRangeFromSelection( editing, selection, isForward ) {\n\tconst model = editing.model;\n\n\tif ( isForward ) {\n\t\tconst startPosition = selection.isCollapsed ? selection.focus : selection.getLastPosition();\n\t\tconst endPosition = getNearestNonInlineLimit( model, startPosition, 'forward' );\n\n\t\t// There is no limit element, browser should handle this.\n\t\tif ( !endPosition ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst range = model.createRange( startPosition, endPosition );\n\t\tconst lastRangePosition = getNearestTextPosition( model.schema, range, 'backward' );\n\n\t\tif ( lastRangePosition ) {\n\t\t\treturn model.createRange( startPosition, lastRangePosition );\n\t\t}\n\n\t\treturn null;\n\t} else {\n\t\tconst endPosition = selection.isCollapsed ? selection.focus : selection.getFirstPosition();\n\t\tconst startPosition = getNearestNonInlineLimit( model, endPosition, 'backward' );\n\n\t\t// There is no limit element, browser should handle this.\n\t\tif ( !startPosition ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst range = model.createRange( startPosition, endPosition );\n\t\tconst firstRangePosition = getNearestTextPosition( model.schema, range, 'forward' );\n\n\t\tif ( firstRangePosition ) {\n\t\t\treturn model.createRange( firstRangePosition, endPosition );\n\t\t}\n\n\t\treturn null;\n\t}\n}\n\n// Finds the limit element position that is closest to startPosition.\n//\n// @param {module:engine/model/model~Model} model\n// @param {<module:engine/model/position~Position>} startPosition\n// @param {'forward'|'backward'} direction Search direction.\n// @returns {<module:engine/model/position~Position>|null}\n//\nfunction getNearestNonInlineLimit( model, startPosition, direction ) {\n\tconst schema = model.schema;\n\tconst range = model.createRangeIn( startPosition.root );\n\n\tconst walkerValueType = direction == 'forward' ? 'elementStart' : 'elementEnd';\n\n\tfor ( const { previousPosition, item, type } of range.getWalker( { startPosition, direction } ) ) {\n\t\tif ( schema.isLimit( item ) && !schema.isInline( item ) ) {\n\t\t\treturn previousPosition;\n\t\t}\n\n\t\t// Stop looking for isLimit element if the next element is a block element (it is for sure not single line).\n\t\tif ( type == walkerValueType && schema.isBlock( item ) ) {\n\t\t\treturn null;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n// Basing on the provided range, finds the first or last (depending on `direction`) position inside the range\n// that can contain `$text` (according to schema).\n//\n// @param {module:engine/model/schema~Schema} schema The schema.\n// @param {module:engine/model/range~Range} range The range to find the position in.\n// @param {'forward'|'backward'} direction Search direction.\n// @returns {module:engine/model/position~Position|null} The nearest selection position.\n//\nfunction getNearestTextPosition( schema, range, direction ) {\n\tconst position = direction == 'backward' ? range.end : range.start;\n\n\tif ( schema.checkChild( position, '$text' ) ) {\n\t\treturn position;\n\t}\n\n\tfor ( const { nextPosition } of range.getWalker( { direction } ) ) {\n\t\tif ( schema.checkChild( nextPosition, '$text' ) ) {\n\t\t\treturn nextPosition;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n// Checks if the DOM range corresponding to the provided model range renders as a single line by analyzing DOMRects\n// (verifying if they visually wrap content to the next line).\n//\n// @param {module:engine/controller/editingcontroller~EditingController} editing The editing controller.\n// @param {module:engine/model/range~Range} modelRange The current table cell content range.\n// @param {Boolean} isForward The expected navigation direction.\n// @returns {Boolean}\n//\nfunction isSingleLineRange( editing, modelRange, isForward ) {\n\tconst model = editing.model;\n\tconst domConverter = editing.view.domConverter;\n\n\t// Wrapped lines contain exactly the same position at the end of current line\n\t// and at the beginning of next line. That position's client rect is at the end\n\t// of current line. In case of caret at first position of the last line that 'dual'\n\t// position would be detected as it's not the last line.\n\tif ( isForward ) {\n\t\tconst probe = model.createSelection( modelRange.start );\n\n\t\tmodel.modifySelection( probe );\n\n\t\t// If the new position is at the end of the container then we can't use this position\n\t\t// because it would provide incorrect result for eg caption of image and selection\n\t\t// just before end of it. Also in this case there is no \"dual\" position.\n\t\tif ( !probe.focus.isAtEnd && !modelRange.start.isEqual( probe.focus ) ) {\n\t\t\tmodelRange = model.createRange( probe.focus, modelRange.end );\n\t\t}\n\t}\n\n\tconst viewRange = editing.mapper.toViewRange( modelRange );\n\tconst domRange = domConverter.viewRangeToDom( viewRange );\n\tconst rects = Rect.getDomRangeRects( domRange );\n\n\tlet boundaryVerticalPosition;\n\n\tfor ( const rect of rects ) {\n\t\tif ( boundaryVerticalPosition === undefined ) {\n\t\t\tboundaryVerticalPosition = Math.round( rect.bottom );\n\t\t\tcontinue;\n\t\t}\n\n\t\t// Let's check if this rect is in new line.\n\t\tif ( Math.round( rect.top ) >= boundaryVerticalPosition ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tboundaryVerticalPosition = Math.max( boundaryVerticalPosition, Math.round( rect.bottom ) );\n\t}\n\n\treturn true;\n}\n\nfunction selectionWillShrink( selection, isForward ) {\n\treturn !selection.isCollapsed && selection.isBackward == isForward;\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./widget.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./widget.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widget\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport MouseObserver from '@ckeditor/ckeditor5-engine/src/view/observer/mouseobserver';\nimport WidgetTypeAround from './widgettypearound/widgettypearound';\nimport Delete from '@ckeditor/ckeditor5-typing/src/delete';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\nimport { getLocalizedArrowKeyCodeDirection } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\nimport verticalNavigationHandler from './verticalnavigation';\nimport { getLabel, isWidget, WIDGET_SELECTED_CLASS_NAME } from './utils';\n\nimport '../theme/widget.css';\n\n/**\n * The widget plugin. It enables base support for widgets.\n *\n * See {@glink api/widget package page} for more details and documentation.\n *\n * This plugin enables multiple behaviors required by widgets:\n *\n * * The model to view selection converter for the editing pipeline (it handles widget custom selection rendering).\n * If a converted selection wraps around a widget element, that selection is marked as\n * {@link module:engine/view/selection~Selection#isFake fake}. Additionally, the `ck-widget_selected` CSS class\n * is added to indicate that widget has been selected.\n * * The mouse and keyboard events handling on and around widget elements.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Widget extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Widget';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ WidgetTypeAround, Delete ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t/**\n\t\t * Holds previously selected widgets.\n\t\t *\n\t\t * @private\n\t\t * @type {Set.<module:engine/view/element~Element>}\n\t\t */\n\t\tthis._previouslySelected = new Set();\n\n\t\t// Model to view selection converter.\n\t\t// Converts selection placed over widget element to fake selection.\n\t\t//\n\t\t// By default, the selection is downcasted by the engine to surround the attribute element, even though its only\n\t\t// child is an inline widget. A similar thing also happens when a collapsed marker is rendered as a UI element\n\t\t// next to an inline widget: the view selection contains both the widget and the marker.\n\t\t//\n\t\t// This prevents creating a correct fake selection when this inline widget is selected. Normalize the selection\n\t\t// in these cases based on the model:\n\t\t//\n\t\t//\t\t[<attributeElement><inlineWidget /></attributeElement>] -> <attributeElement>[<inlineWidget />]</attributeElement>\n\t\t//\t\t[<uiElement></uiElement><inlineWidget />] -> <uiElement></uiElement>[<inlineWidget />]\n\t\t//\n\t\t// Thanks to this:\n\t\t//\n\t\t// * fake selection can be set correctly,\n\t\t// * any logic depending on (View)Selection#getSelectedElement() also works OK.\n\t\t//\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/9524.\n\t\tthis.editor.editing.downcastDispatcher.on( 'selection', ( evt, data, conversionApi ) => {\n\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\tconst modelSelection = data.selection;\n\n\t\t\t// The collapsed selection can't contain any widget.\n\t\t\tif ( modelSelection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst selectedModelElement = modelSelection.getSelectedElement();\n\n\t\t\tif ( !selectedModelElement ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst selectedViewElement = editor.editing.mapper.toViewElement( selectedModelElement );\n\n\t\t\tif ( !isWidget( selectedViewElement ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !conversionApi.consumable.consume( modelSelection, 'selection' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tviewWriter.setSelection( viewWriter.createRangeOn( selectedViewElement ), {\n\t\t\t\tfake: true,\n\t\t\t\tlabel: getLabel( selectedViewElement )\n\t\t\t} );\n\t\t} );\n\n\t\t// Mark all widgets inside the selection with the css class.\n\t\t// This handler is registered at the 'low' priority so it's triggered after the real selection conversion.\n\t\tthis.editor.editing.downcastDispatcher.on( 'selection', ( evt, data, conversionApi ) => {\n\t\t\t// Remove selected class from previously selected widgets.\n\t\t\tthis._clearPreviouslySelectedWidgets( conversionApi.writer );\n\n\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\t\tlet lastMarked = null;\n\n\t\t\tfor ( const range of viewSelection.getRanges() ) {\n\t\t\t\t// Note: There could be multiple selected widgets in a range but no fake selection.\n\t\t\t\t// All of them must be marked as selected, for instance [<widget></widget><widget></widget>]\n\t\t\t\tfor ( const value of range ) {\n\t\t\t\t\tconst node = value.item;\n\t\t\t\t\t// Do not mark nested widgets in selected one. See: #4594\n\t\t\t\t\tif ( isWidget( node ) && !isChild( node, lastMarked ) ) {\n\t\t\t\t\t\tviewWriter.addClass( WIDGET_SELECTED_CLASS_NAME, node );\n\t\t\t\t\t\tthis._previouslySelected.add( node );\n\t\t\t\t\t\tlastMarked = node;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\n\t\t// If mouse down is pressed on widget - create selection over whole widget.\n\t\tview.addObserver( MouseObserver );\n\t\tthis.listenTo( viewDocument, 'mousedown', ( ...args ) => this._onMousedown( ...args ) );\n\n\t\t// There are two keydown listeners working on different priorities. This allows other\n\t\t// features such as WidgetTypeAround or TableKeyboard to attach their listeners in between\n\t\t// and customize the behavior even further in different content/selection scenarios.\n\t\t//\n\t\t// * The first listener handles changing the selection on arrow key press\n\t\t// if the widget is selected or if the selection is next to a widget and the widget\n\t\t// should become selected upon the arrow key press.\n\t\t//\n\t\t// * The second (late) listener makes sure the default browser action on arrow key press is\n\t\t// prevented when a widget is selected. This prevents the selection from being moved\n\t\t// from a fake selection container.\n\t\tthis.listenTo( viewDocument, 'arrowKey', ( ...args ) => {\n\t\t\tthis._handleSelectionChangeOnArrowKeyPress( ...args );\n\t\t}, { context: [ isWidget, '$text' ] } );\n\n\t\tthis.listenTo( viewDocument, 'arrowKey', ( ...args ) => {\n\t\t\tthis._preventDefaultOnArrowKeyPress( ...args );\n\t\t}, { context: '$root' } );\n\n\t\tthis.listenTo( viewDocument, 'arrowKey', verticalNavigationHandler( this.editor.editing ), { context: '$text' } );\n\n\t\t// Handle custom delete behaviour.\n\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\tif ( this._handleDelete( data.direction == 'forward' ) ) {\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { context: '$root' } );\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:mousedown mousedown} events on widget elements.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} eventInfo\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t */\n\t_onMousedown( eventInfo, domEventData ) {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tlet element = domEventData.target;\n\n\t\t// Do nothing for single or double click inside nested editable.\n\t\tif ( isInsideNestedEditable( element ) ) {\n\t\t\t// But at least triple click inside nested editable causes broken selection in Safari.\n\t\t\t// For such event, we select the entire nested editable element.\n\t\t\t// See: https://github.com/ckeditor/ckeditor5/issues/1463.\n\t\t\tif ( ( env.isSafari || env.isGecko ) && domEventData.domEvent.detail >= 3 ) {\n\t\t\t\tconst mapper = editor.editing.mapper;\n\t\t\t\tconst viewElement = element.is( 'attributeElement' ) ?\n\t\t\t\t\telement.findAncestor( element => !element.is( 'attributeElement' ) ) : element;\n\t\t\t\tconst modelElement = mapper.toModelElement( viewElement );\n\n\t\t\t\tdomEventData.preventDefault();\n\n\t\t\t\tthis.editor.model.change( writer => {\n\t\t\t\t\twriter.setSelection( modelElement, 'in' );\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\t// If target is not a widget element - check if one of the ancestors is.\n\t\tif ( !isWidget( element ) ) {\n\t\t\telement = element.findAncestor( isWidget );\n\n\t\t\tif ( !element ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\t// On Android selection would jump to the first table cell, on other devices\n\t\t// we can't block it (and don't need to) because of drag and drop support.\n\t\tif ( env.isAndroid ) {\n\t\t\tdomEventData.preventDefault();\n\t\t}\n\n\t\t// Focus editor if is not focused already.\n\t\tif ( !viewDocument.isFocused ) {\n\t\t\tview.focus();\n\t\t}\n\n\t\t// Create model selection over widget.\n\t\tconst modelElement = editor.editing.mapper.toModelElement( element );\n\n\t\tthis._setSelectionOverElement( modelElement );\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:keydown keydown} events and changes\n\t * the model selection when:\n\t *\n\t * * arrow key is pressed when the widget is selected,\n\t * * the selection is next to a widget and the widget should become selected upon the arrow key press.\n\t *\n\t * See {@link #_preventDefaultOnArrowKeyPress}.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} eventInfo\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t */\n\t_handleSelectionChangeOnArrowKeyPress( eventInfo, domEventData ) {\n\t\tconst keyCode = domEventData.keyCode;\n\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst modelSelection = model.document.selection;\n\t\tconst objectElement = modelSelection.getSelectedElement();\n\t\tconst direction = getLocalizedArrowKeyCodeDirection( keyCode, this.editor.locale.contentLanguageDirection );\n\t\tconst isForward = direction == 'down' || direction == 'right';\n\t\tconst isVerticalNavigation = direction == 'up' || direction == 'down';\n\n\t\t// If object element is selected.\n\t\tif ( objectElement && schema.isObject( objectElement ) ) {\n\t\t\tconst position = isForward ? modelSelection.getLastPosition() : modelSelection.getFirstPosition();\n\t\t\tconst newRange = schema.getNearestSelectionRange( position, isForward ? 'forward' : 'backward' );\n\n\t\t\tif ( newRange ) {\n\t\t\t\tmodel.change( writer => {\n\t\t\t\t\twriter.setSelection( newRange );\n\t\t\t\t} );\n\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t\teventInfo.stop();\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Handle collapsing of the selection when there is any widget on the edge of selection.\n\t\t// This is needed because browsers have problems with collapsing such selection.\n\t\tif ( !modelSelection.isCollapsed && !domEventData.shiftKey ) {\n\t\t\tconst firstPosition = modelSelection.getFirstPosition();\n\t\t\tconst lastPosition = modelSelection.getLastPosition();\n\n\t\t\tconst firstSelectedNode = firstPosition.nodeAfter;\n\t\t\tconst lastSelectedNode = lastPosition.nodeBefore;\n\n\t\t\tif ( firstSelectedNode && schema.isObject( firstSelectedNode ) || lastSelectedNode && schema.isObject( lastSelectedNode ) ) {\n\t\t\t\tmodel.change( writer => {\n\t\t\t\t\twriter.setSelection( isForward ? lastPosition : firstPosition );\n\t\t\t\t} );\n\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t\teventInfo.stop();\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Return if not collapsed.\n\t\tif ( !modelSelection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If selection is next to object element.\n\n\t\tconst objectElementNextToSelection = this._getObjectElementNextToSelection( isForward );\n\n\t\tif ( objectElementNextToSelection && schema.isObject( objectElementNextToSelection ) ) {\n\t\t\t// Do not select an inline widget while handling up/down arrow.\n\t\t\tif ( schema.isInline( objectElementNextToSelection ) && isVerticalNavigation ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._setSelectionOverElement( objectElementNextToSelection );\n\n\t\t\tdomEventData.preventDefault();\n\t\t\teventInfo.stop();\n\t\t}\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:keydown keydown} events and prevents\n\t * the default browser behavior to make sure the fake selection is not being moved from a fake selection\n\t * container.\n\t *\n\t * See {@link #_handleSelectionChangeOnArrowKeyPress}.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} eventInfo\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t */\n\t_preventDefaultOnArrowKeyPress( eventInfo, domEventData ) {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst objectElement = model.document.selection.getSelectedElement();\n\n\t\t// If object element is selected.\n\t\tif ( objectElement && schema.isObject( objectElement ) ) {\n\t\t\tdomEventData.preventDefault();\n\t\t\teventInfo.stop();\n\t\t}\n\t}\n\n\t/**\n\t * Handles delete keys: backspace and delete.\n\t *\n\t * @private\n\t * @param {Boolean} isForward Set to true if delete was performed in forward direction.\n\t * @returns {Boolean|undefined} Returns `true` if keys were handled correctly.\n\t */\n\t_handleDelete( isForward ) {\n\t\t// Do nothing when the read only mode is enabled.\n\t\tif ( this.editor.isReadOnly ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelDocument = this.editor.model.document;\n\t\tconst modelSelection = modelDocument.selection;\n\n\t\t// Do nothing on non-collapsed selection.\n\t\tif ( !modelSelection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst objectElement = this._getObjectElementNextToSelection( isForward );\n\n\t\tif ( objectElement ) {\n\t\t\tthis.editor.model.change( writer => {\n\t\t\t\tlet previousNode = modelSelection.anchor.parent;\n\n\t\t\t\t// Remove previous element if empty.\n\t\t\t\twhile ( previousNode.isEmpty ) {\n\t\t\t\t\tconst nodeToRemove = previousNode;\n\t\t\t\t\tpreviousNode = nodeToRemove.parent;\n\n\t\t\t\t\twriter.remove( nodeToRemove );\n\t\t\t\t}\n\n\t\t\t\tthis._setSelectionOverElement( objectElement );\n\t\t\t} );\n\n\t\t\treturn true;\n\t\t}\n\t}\n\n\t/**\n\t * Sets {@link module:engine/model/selection~Selection document's selection} over given element.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} element\n\t */\n\t_setSelectionOverElement( element ) {\n\t\tthis.editor.model.change( writer => {\n\t\t\twriter.setSelection( writer.createRangeOn( element ) );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks if {@link module:engine/model/element~Element element} placed next to the current\n\t * {@link module:engine/model/selection~Selection model selection} exists and is marked in\n\t * {@link module:engine/model/schema~Schema schema} as `object`.\n\t *\n\t * @protected\n\t * @param {Boolean} forward Direction of checking.\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\t_getObjectElementNextToSelection( forward ) {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst modelSelection = model.document.selection;\n\n\t\t// Clone current selection to use it as a probe. We must leave default selection as it is so it can return\n\t\t// to its current state after undo.\n\t\tconst probe = model.createSelection( modelSelection );\n\t\tmodel.modifySelection( probe, { direction: forward ? 'forward' : 'backward' } );\n\n\t\t// The selection didn't change so there is nothing there.\n\t\tif ( probe.isEqual( modelSelection ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst objectElement = forward ? probe.focus.nodeBefore : probe.focus.nodeAfter;\n\n\t\tif ( !!objectElement && schema.isObject( objectElement ) ) {\n\t\t\treturn objectElement;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Removes CSS class from previously selected widgets.\n\t *\n\t * @private\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n\t */\n\t_clearPreviouslySelectedWidgets( writer ) {\n\t\tfor ( const widget of this._previouslySelected ) {\n\t\t\twriter.removeClass( WIDGET_SELECTED_CLASS_NAME, widget );\n\t\t}\n\n\t\tthis._previouslySelected.clear();\n\t}\n}\n\n// Returns `true` when element is a nested editable or is placed inside one.\n//\n// @param {module:engine/view/element~Element}\n// @returns {Boolean}\nfunction isInsideNestedEditable( element ) {\n\twhile ( element ) {\n\t\tif ( element.is( 'editableElement' ) && !element.is( 'rootElement' ) ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Click on nested widget should select it.\n\t\tif ( isWidget( element ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\telement = element.parent;\n\t}\n\n\treturn false;\n}\n\n// Checks whether the specified `element` is a child of the `parent` element.\n//\n// @param {module:engine/view/element~Element} element An element to check.\n// @param {module:engine/view/element~Element|null} parent A parent for the element.\n// @returns {Boolean}\nfunction isChild( element, parent ) {\n\tif ( !parent ) {\n\t\treturn false;\n\t}\n\n\treturn Array.from( element.getAncestors() ).includes( parent );\n}\n","import imageIcon from '../icons/edit.svg';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nexport function createToolbarEditButton(editor, name, callback) {\n\t// Add editing button\n\teditor.ui.componentFactory.add( name, locale => {\n\t\tconst view = new ButtonView( locale );\n\n\t\tview.set( {\n\t\t\tlabel: I18n.t('js.button_edit'),\n\t\t\ticon: imageIcon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\t// Callback executed once the widget is clicked.\n\t\tview.on( 'execute', () => {\n\n\t\t\tconst widget = editor.model.document.selection.getSelectedElement();\n\n\t\t\tif (!widget) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tcallback(widget);\n\t\t} );\n\n\t\treturn view;\n\t} );\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"  width=\\\"20\\\" height=\\\"20\\\"><path d=\\\"M1.586 18.227l.398-2.753.398-2.753 2.355 2.388 2.355 2.355-2.753.365zM14.954 8.01l-7.099 7.065-.763-.796 7.065-7.066-1.592-1.559L5.5 12.721l-.763-.796 7.065-7.066-.796-.796-7.861 7.862 4.71 4.71 7.861-7.828zm3.25-1.56c.398-.397.398-1.094-.033-1.525L15.02 1.775c-.431-.432-1.128-.465-1.526-.034l-.1.1-1.525 1.493 4.71 4.71 1.526-1.493-.033-.033c.033-.033.099-.033.132-.066z\\\"/></svg>\\n\";","import ToolbarView from '@ckeditor/ckeditor5-ui/src/toolbar/toolbarview';\nimport BalloonPanelView from '@ckeditor/ckeditor5-ui/src/panel/balloon/balloonpanelview';\n\nconst balloonClassName = 'ck-toolbar-container';\n\nexport function createEditToolbar(\n\t// Plugin instance\n\tplugin,\n\t// Editor instance\n\teditor,\n\t// Configuration namespace in op-ckeditor.js\n\tconfig_namespace,\n\t// Callback to check if widget is selected\n\tisWidgetSelected\n) {\n\n\tconst toolbarConfig = editor.config.get( config_namespace + '.toolbar' );\n\n\t// Don't add the toolbar if there is no configuration.\n\tif ( !toolbarConfig || !toolbarConfig.length ) {\n\t\treturn;\n\t}\n\n\tconst _balloon = editor.plugins.get( 'ContextualBalloon' );\n\tconst _toolbar = new ToolbarView( editor.locale );\n\n\tfunction _checkIsVisible() {\n\t\tif ( !editor.ui.focusTracker.isFocused ) {\n\t\t\t_hideToolbar();\n\t\t} else {\n\t\t\tif ( isWidgetSelected(editor.editing.view.document.selection ) ) {\n\t\t\t\t_showToolbar();\n\t\t\t} else {\n\t\t\t\t_hideToolbar();\n\t\t\t}\n\t\t}\n\t}\n\n\tfunction _showToolbar() {\n\t\tif ( _isVisible() ) {\n\t\t\trepositionContextualBalloon( editor, isWidgetSelected );\n\t\t} else if ( !_balloon.hasView( _toolbar ) ) {\n\t\t\t_balloon.add( {\n\t\t\t\tview: _toolbar,\n\t\t\t\tposition: getBalloonPositionData( editor ),\n\t\t\t\tballoonClassName\n\t\t\t} );\n\t\t}\n\t}\n\n\tfunction _hideToolbar() {\n\t\tif ( !_isVisible() ) {\n\t\t\treturn;\n\t\t}\n\n\t\t_balloon.remove( _toolbar );\n\t}\n\n\tfunction _isVisible() {\n\t\treturn _balloon.visibleView == _toolbar;\n\t}\n\n\t// Add buttons to the toolbar.\n\t_toolbar.fillFromConfig( toolbarConfig, editor.ui.componentFactory );\n\n\t// Show balloon panel each time the widget is selected.\n\t// TODO: This has changed in master with https://github.com/ckeditor/ckeditor5-image/pull/215\n\tplugin.listenTo( editor.editing.view, 'render', _checkIsVisible);\n\n\t// UI#update is not fired after focus is back in editor, we need to check if balloon panel should be visible.\n\tplugin.listenTo( editor.ui.focusTracker, 'change:isFocused', _checkIsVisible, { priority: 'low' } );\n}\n\n\n/**\n * A helper utility that positions the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} instance\n * with respect to the element in the editor content, if one is selected.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n */\nfunction repositionContextualBalloon( editor, selectionCallback ) {\n\tconst balloon = editor.plugins.get( 'ContextualBalloon' );\n\n\tif ( selectionCallback( editor.editing.view.document.selection ) ) {\n\t\tconst position = getBalloonPositionData( editor );\n\n\t\tballoon.updatePosition( position );\n\t}\n}\n\n\n/**\n * Returns the positioning options that control the geometry of the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} with respect\n * to the selected element in the editor content.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @returns {module:utils/dom/position~Options}\n */\nfunction getBalloonPositionData( editor ) {\n\tconst editingView = editor.editing.view;\n\tconst defaultPositions = BalloonPanelView.defaultPositions;\n\n\treturn {\n\t\ttarget: editingView.domConverter.viewToDom( editingView.document.selection.getSelectedElement() ),\n\t\tpositions: [\n\t\t\tdefaultPositions.northArrowSouth,\n\t\t\tdefaultPositions.northArrowSouthWest,\n\t\t\tdefaultPositions.northArrowSouthEast,\n\t\t\tdefaultPositions.southArrowNorth,\n\t\t\tdefaultPositions.southArrowNorthWest,\n\t\t\tdefaultPositions.southArrowNorthEast\n\t\t]\n\t};\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport {isEmbeddedTableWidgetSelected} from './utils';\nimport {createToolbarEditButton} from '../../helpers/create-toolbar-edit-button';\nimport {createEditToolbar} from '../../helpers/create-toolbar';\nimport {getPluginContext} from '../op-context/op-context';\n\n\nconst balloonClassName = 'ck-toolbar-container';\n\nexport default class EmbeddedTableToolbar extends Plugin {\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'EmbeddedTableToolbar';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Add editing button\n\t\tcreateToolbarEditButton( editor, 'opEditEmbeddedTableQuery', widget => {\n\t\t\tconst externalQueryConfiguration = pluginContext.services.externalQueryConfiguration;\n\t\t\tconst currentQuery = widget.getAttribute('opEmbeddedTableQuery') || {};\n\n\t\t\tpluginContext.runInZone(() => {\n\t\t\t\texternalQueryConfiguration.show({\n\t\t\t\t\tcurrentQuery: currentQuery,\n\t\t\t\t\tcallback: (newQuery) => model.change(writer => {\n\t\t\t\t\t\twriter.setAttribute('opEmbeddedTableQuery', newQuery, widget);\n\t\t\t\t\t})\n\t\t\t\t});\n\t\t\t});\n\t\t} );\n\t}\n\n\tafterInit() {\n\t\t// Add actual toolbar\n\t\tcreateEditToolbar(\n\t\t\tthis,\n\t\t\tthis.editor,\n\t\t\t'OPMacroEmbeddedTable',\n\t\t\tisEmbeddedTableWidgetSelected\n\t\t);\n\t}\n}\n","const wpButtonMacroSymbol = Symbol( 'isWpButtonMacroSymbol' );\nimport {toWidget, isWidget} from '@ckeditor/ckeditor5-widget/src/utils';\n\nexport function toWpButtonMacroWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( wpButtonMacroSymbol, true, viewElement );\n\treturn toWidget( viewElement, writer, { label: label });\n}\n\n\nexport function isWpButtonMacroWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( wpButtonMacroSymbol ) && isWidget( viewElement );\n}\n\n\nexport function isWpButtonMacroWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isWpButtonMacroWidget( viewElement ) );\n}\n","import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport {toWpButtonMacroWidget} from './utils';\nimport {getPluginContext} from '../op-context/op-context';\n\nexport default class OPMacroWpButtonEditing extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroWpButtonEditing';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn 'insertWorkPackageButton';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst conversion = editor.conversion;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'op-macro-wp-button', {\n\t\t\tallowWhere: ['$block'],\n\t\t\tallowAttributes: ['type', 'classes'],\n\t\t\tisBlock: true,\n\t\t    isLimit: true\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'macro',\n\t\t\t\t\tclasses: 'create_work_package_link'\n\t\t\t\t},\n\t\t\t\tmodel: ( viewElement, {writer:modelWriter} ) => {\n\t\t\t\t\tconst type = viewElement.getAttribute( 'data-type' ) || '';\n\t\t\t\t\tconst classes = viewElement.getAttribute( 'data-classes' ) || '';\n\n\t\t\t\t\treturn modelWriter.createElement(\n\t\t\t\t\t\t'op-macro-wp-button',\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttype: type,\n\t\t\t\t\t\t\tclasses: classes\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t} );\n\n\n\t\tconversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'op-macro-wp-button',\n\t\t\tview: (modelElement, {writer}) => {\n\t\t\t\treturn this.createMacroViewElement(modelElement, writer);\n\t\t\t}\n\t    } );\n\n\t\tconversion.for('dataDowncast').elementToElement({\n\t\t\tmodel: 'op-macro-wp-button',\n\t\t\tview: (modelElement, {writer}) => {\n\t\t\t\tconst element = writer.createContainerElement(\n\t\t\t\t\t'macro',\n\t\t\t\t\t{\n\t\t\t\t\t\t'class': 'create_work_package_link',\n\t\t\t\t\t\t'data-type': modelElement.getAttribute('type') || '',\n\t\t\t\t\t\t'data-classes': modelElement.getAttribute('classes') || '',\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\treturn element;\n\t\t\t}\n\t\t});\n\n\t\teditor.ui.componentFactory.add( OPMacroWpButtonEditing.buttonName, locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: window.I18n.t('js.editor.macro.work_package_button.button'),\n\t\t\t\twithText: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\tconst macroService = pluginContext.services.macros;\n\n\t\t\t\tmacroService\n\t\t\t\t\t.configureWorkPackageButton()\n\t\t\t\t\t.then((result) => editor.model.change(writer => {\n\t\t\t\t\t\tconst element = writer.createElement( 'op-macro-wp-button', {});\n\t\t\t\t\t\twriter.setAttribute( 'type', result.type, element );\n\t\t\t\t\t\twriter.setAttribute( 'classes', result.classes, element );\n\n\t\t\t\t\t\teditor.model.insertContent( element, editor.model.document.selection );\n\t\t\t\t\t})\n\t\t\t\t);\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tmacroLabel(type) {\n\t\tif (type) {\n\t\t\treturn window.I18n.t('js.editor.macro.work_package_button.with_type', { typename: type });\n\t\t} else {\n\t\t\treturn window.I18n.t('js.editor.macro.work_package_button.without_type');\n\t\t}\n\t}\n\n\tcreateMacroViewElement(modelElement, writer) {\n\t\tconst type = modelElement.getAttribute('type');\n\t\tconst classes = modelElement.getAttribute('classes') || '';\n\t\tconst label = this.macroLabel(); // TODO: Pass type, it is not updated on coming back from the modal..\n\t\tconst placeholder = writer.createText( label );\n\t\tconst container = writer.createContainerElement( 'span', { class: classes } );\n\n\t\twriter.insert( writer.createPositionAt( container, 0 ), placeholder );\n\t\treturn toWpButtonMacroWidget(container, writer, { label: label } )\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport {isWpButtonMacroWidgetSelected} from './utils';\nimport {createToolbarEditButton} from '../../helpers/create-toolbar-edit-button';\nimport {createEditToolbar} from '../../helpers/create-toolbar';\nimport {getPluginContext} from '../op-context/op-context';\n\n\nconst balloonClassName = 'ck-toolbar-container';\n\nexport default class OPMacroWpButtonToolbar extends Plugin {\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroWpButtonToolbar';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Add editing button\n\t\tcreateToolbarEditButton( editor, 'opEditWpMacroButton', widget => {\n\t\t\tconst macroService = pluginContext.services.macros;\n\t\t\tconst type = widget.getAttribute('type');\n\t\t\tconst classes = widget.getAttribute('classes');\n\n\t\t\tmacroService\n\t\t\t\t.configureWorkPackageButton(type, classes)\n\t\t\t\t.then((result) => editor.model.change(writer => {\n\t\t\t\t\twriter.setAttribute( 'classes', result.classes, widget );\n\t\t\t\t\twriter.setAttribute( 'type', result.type, widget );\n\t\t\t\t})\n\t\t\t);\n\t\t} );\n\t}\n\n\tafterInit() {\n\t\t// Add actual toolbar\n\t\tcreateEditToolbar(\n\t\t\tthis,\n\t\t\tthis.editor,\n\t\t\t'OPMacroWpButton',\n\t\t\tisWpButtonMacroWidgetSelected\n\t\t);\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module upload/filereader\n */\n\n/* globals window */\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Wrapper over the native `FileReader`.\n */\nexport default class FileReader {\n\t/**\n\t * Creates an instance of the FileReader.\n\t */\n\tconstructor() {\n\t\tconst reader = new window.FileReader();\n\n\t\t/**\n\t\t * Instance of native FileReader.\n\t\t *\n\t\t * @private\n\t\t * @member {FileReader} #_reader\n\t\t */\n\t\tthis._reader = reader;\n\n\t\tthis._data = undefined;\n\n\t\t/**\n\t\t * Number of bytes loaded.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #loaded\n\t\t */\n\t\tthis.set( 'loaded', 0 );\n\n\t\treader.onprogress = evt => {\n\t\t\tthis.loaded = evt.loaded;\n\t\t};\n\t}\n\n\t/**\n\t * Returns error that occurred during file reading.\n\t *\n\t * @returns {Error}\n\t */\n\tget error() {\n\t\treturn this._reader.error;\n\t}\n\n\t/**\n\t * Holds the data of an already loaded file. The file must be first loaded\n\t * by using {@link module:upload/filereader~FileReader#read `read()`}.\n\t *\n\t * @type {File|undefined}\n\t */\n\tget data() {\n\t\treturn this._data;\n\t}\n\n\t/**\n\t * Reads the provided file.\n\t *\n\t * @param {File} file Native File object.\n\t * @returns {Promise.<String>} Returns a promise that will be resolved with file's content.\n\t * The promise will be rejected in case of an error or when the reading process is aborted.\n\t */\n\tread( file ) {\n\t\tconst reader = this._reader;\n\t\tthis.total = file.size;\n\n\t\treturn new Promise( ( resolve, reject ) => {\n\t\t\treader.onload = () => {\n\t\t\t\tconst result = reader.result;\n\n\t\t\t\tthis._data = result;\n\n\t\t\t\tresolve( result );\n\t\t\t};\n\n\t\t\treader.onerror = () => {\n\t\t\t\treject( 'error' );\n\t\t\t};\n\n\t\t\treader.onabort = () => {\n\t\t\t\treject( 'aborted' );\n\t\t\t};\n\n\t\t\tthis._reader.readAsDataURL( file );\n\t\t} );\n\t}\n\n\t/**\n\t * Aborts file reader.\n\t */\n\tabort() {\n\t\tthis._reader.abort();\n\t}\n}\n\nmix( FileReader, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module upload/filerepository\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport PendingActions from '@ckeditor/ckeditor5-core/src/pendingactions';\nimport CKEditorError, { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport Collection from '@ckeditor/ckeditor5-utils/src/collection';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\nimport FileReader from './filereader.js';\n\nimport uid from '@ckeditor/ckeditor5-utils/src/uid.js';\n\n/**\n * File repository plugin. A central point for managing file upload.\n *\n * To use it, first you need an upload adapter. Upload adapter's job is to handle communication with the server\n * (sending the file and handling server's response). You can use one of the existing plugins introducing upload adapters\n * (e.g. {@link module:easy-image/cloudservicesuploadadapter~CloudServicesUploadAdapter} or\n * {@link module:adapter-ckfinder/uploadadapter~CKFinderUploadAdapter}) or write your own one – see\n * the {@glink framework/guides/deep-dive/upload-adapter Custom image upload adapter deep dive guide}.\n *\n * Then, you can use {@link module:upload/filerepository~FileRepository#createLoader `createLoader()`} and the returned\n * {@link module:upload/filerepository~FileLoader} instance to load and upload files.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class FileRepository extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'FileRepository';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ PendingActions ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\t/**\n\t\t * Collection of loaders associated with this repository.\n\t\t *\n\t\t * @member {module:utils/collection~Collection} #loaders\n\t\t */\n\t\tthis.loaders = new Collection();\n\n\t\t// Keeps upload in a sync with pending actions.\n\t\tthis.loaders.on( 'add', () => this._updatePendingAction() );\n\t\tthis.loaders.on( 'remove', () => this._updatePendingAction() );\n\n\t\t/**\n\t\t * Loaders mappings used to retrieve loaders references.\n\t\t *\n\t\t * @private\n\t\t * @member {Map<File|Promise, FileLoader>} #_loadersMap\n\t\t */\n\t\tthis._loadersMap = new Map();\n\n\t\t/**\n\t\t * Reference to a pending action registered in a {@link module:core/pendingactions~PendingActions} plugin\n\t\t * while upload is in progress. When there is no upload then value is `null`.\n\t\t *\n\t\t * @private\n\t\t * @member {Object} #_pendingAction\n\t\t */\n\t\tthis._pendingAction = null;\n\n\t\t/**\n\t\t * A factory function which should be defined before using `FileRepository`.\n\t\t *\n\t\t * It should return a new instance of {@link module:upload/filerepository~UploadAdapter} that will be used to upload files.\n\t\t * {@link module:upload/filerepository~FileLoader} instance associated with the adapter\n\t\t * will be passed to that function.\n\t\t *\n\t\t * For more information and example see {@link module:upload/filerepository~UploadAdapter}.\n\t\t *\n\t\t * @member {Function} #createUploadAdapter\n\t\t */\n\n\t\t/**\n\t\t * Number of bytes uploaded.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #uploaded\n\t\t */\n\t\tthis.set( 'uploaded', 0 );\n\n\t\t/**\n\t\t * Number of total bytes to upload.\n\t\t *\n\t\t * It might be different than the file size because of headers and additional data.\n\t\t * It contains `null` if value is not available yet, so it's better to use {@link #uploadedPercent} to monitor\n\t\t * the progress.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #uploadTotal\n\t\t */\n\t\tthis.set( 'uploadTotal', null );\n\n\t\t/**\n\t\t * Upload progress in percents.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #uploadedPercent\n\t\t */\n\t\tthis.bind( 'uploadedPercent' ).to( this, 'uploaded', this, 'uploadTotal', ( uploaded, total ) => {\n\t\t\treturn total ? ( uploaded / total * 100 ) : 0;\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the loader associated with specified file or promise.\n\t *\n\t * To get loader by id use `fileRepository.loaders.get( id )`.\n\t *\n\t * @param {File|Promise.<File>} fileOrPromise Native file or promise handle.\n\t * @returns {module:upload/filerepository~FileLoader|null}\n\t */\n\tgetLoader( fileOrPromise ) {\n\t\treturn this._loadersMap.get( fileOrPromise ) || null;\n\t}\n\n\t/**\n\t * Creates a loader instance for the given file.\n\t *\n\t * Requires {@link #createUploadAdapter} factory to be defined.\n\t *\n\t * @param {File|Promise.<File>} fileOrPromise Native File object or native Promise object which resolves to a File.\n\t * @returns {module:upload/filerepository~FileLoader|null}\n\t */\n\tcreateLoader( fileOrPromise ) {\n\t\tif ( !this.createUploadAdapter ) {\n\t\t\t/**\n\t\t\t * You need to enable an upload adapter in order to be able to upload files.\n\t\t\t *\n\t\t\t * This warning shows up when {@link module:upload/filerepository~FileRepository} is being used\n\t\t\t * without {@link #createUploadAdapter defining an upload adapter}.\n\t\t\t *\n\t\t\t * **If you see this warning when using one of the {@glink builds/index CKEditor 5 Builds}**\n\t\t\t * it means that you did not configure any of the upload adapters available by default in those builds.\n\t\t\t *\n\t\t\t * See the {@glink features/images/image-upload/image-upload comprehensive \"Image upload overview\"} to learn which upload\n\t\t\t * adapters are available in the builds and how to configure them.\n\t\t\t *\n\t\t\t * **If you see this warning when using a custom build** there is a chance that you enabled\n\t\t\t * a feature like {@link module:image/imageupload~ImageUpload},\n\t\t\t * or {@link module:image/imageupload/imageuploadui~ImageUploadUI} but you did not enable any upload adapter.\n\t\t\t * You can choose one of the existing upload adapters listed in the\n\t\t\t * {@glink features/images/image-upload/image-upload \"Image upload overview\"}.\n\t\t\t *\n\t\t\t * You can also implement your {@glink framework/guides/deep-dive/upload-adapter own image upload adapter}.\n\t\t\t *\n\t\t\t * @error filerepository-no-upload-adapter\n\t\t\t */\n\t\t\tlogWarning( 'filerepository-no-upload-adapter' );\n\n\t\t\treturn null;\n\t\t}\n\n\t\tconst loader = new FileLoader( Promise.resolve( fileOrPromise ), this.createUploadAdapter );\n\n\t\tthis.loaders.add( loader );\n\t\tthis._loadersMap.set( fileOrPromise, loader );\n\n\t\t// Store also file => loader mapping so loader can be retrieved by file instance returned upon Promise resolution.\n\t\tif ( fileOrPromise instanceof Promise ) {\n\t\t\tloader.file\n\t\t\t\t.then( file => {\n\t\t\t\t\tthis._loadersMap.set( file, loader );\n\t\t\t\t} )\n\t\t\t\t// Every then() must have a catch().\n\t\t\t\t// File loader state (and rejections) are handled in read() and upload().\n\t\t\t\t// Also, see the \"does not swallow the file promise rejection\" test.\n\t\t\t\t.catch( () => {} );\n\t\t}\n\n\t\tloader.on( 'change:uploaded', () => {\n\t\t\tlet aggregatedUploaded = 0;\n\n\t\t\tfor ( const loader of this.loaders ) {\n\t\t\t\taggregatedUploaded += loader.uploaded;\n\t\t\t}\n\n\t\t\tthis.uploaded = aggregatedUploaded;\n\t\t} );\n\n\t\tloader.on( 'change:uploadTotal', () => {\n\t\t\tlet aggregatedTotal = 0;\n\n\t\t\tfor ( const loader of this.loaders ) {\n\t\t\t\tif ( loader.uploadTotal ) {\n\t\t\t\t\taggregatedTotal += loader.uploadTotal;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tthis.uploadTotal = aggregatedTotal;\n\t\t} );\n\n\t\treturn loader;\n\t}\n\n\t/**\n\t * Destroys the given loader.\n\t *\n\t * @param {File|Promise|module:upload/filerepository~FileLoader} fileOrPromiseOrLoader File or Promise associated\n\t * with that loader or loader itself.\n\t */\n\tdestroyLoader( fileOrPromiseOrLoader ) {\n\t\tconst loader = fileOrPromiseOrLoader instanceof FileLoader ? fileOrPromiseOrLoader : this.getLoader( fileOrPromiseOrLoader );\n\n\t\tloader._destroy();\n\n\t\tthis.loaders.remove( loader );\n\n\t\tthis._loadersMap.forEach( ( value, key ) => {\n\t\t\tif ( value === loader ) {\n\t\t\t\tthis._loadersMap.delete( key );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Registers or deregisters pending action bound with upload progress.\n\t *\n\t * @private\n\t */\n\t_updatePendingAction() {\n\t\tconst pendingActions = this.editor.plugins.get( PendingActions );\n\n\t\tif ( this.loaders.length ) {\n\t\t\tif ( !this._pendingAction ) {\n\t\t\t\tconst t = this.editor.t;\n\t\t\t\tconst getMessage = value => `${ t( 'Upload in progress' ) } ${ parseInt( value ) }%.`;\n\n\t\t\t\tthis._pendingAction = pendingActions.add( getMessage( this.uploadedPercent ) );\n\t\t\t\tthis._pendingAction.bind( 'message' ).to( this, 'uploadedPercent', getMessage );\n\t\t\t}\n\t\t} else {\n\t\t\tpendingActions.remove( this._pendingAction );\n\t\t\tthis._pendingAction = null;\n\t\t}\n\t}\n}\n\nmix( FileRepository, ObservableMixin );\n\n/**\n * File loader class.\n *\n * It is used to control the process of reading the file and uploading it using the specified upload adapter.\n */\nclass FileLoader {\n\t/**\n\t * Creates a new instance of `FileLoader`.\n\t *\n\t * @param {Promise.<File>} filePromise A promise which resolves to a file instance.\n\t * @param {Function} uploadAdapterCreator The function which returns {@link module:upload/filerepository~UploadAdapter} instance.\n\t */\n\tconstructor( filePromise, uploadAdapterCreator ) {\n\t\t/**\n\t\t * Unique id of FileLoader instance.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.id = uid();\n\n\t\t/**\n\t\t * Additional wrapper over the initial file promise passed to this loader.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:upload/filerepository~FilePromiseWrapper}\n\t\t */\n\t\tthis._filePromiseWrapper = this._createFilePromiseWrapper( filePromise );\n\n\t\t/**\n\t\t * Adapter instance associated with this file loader.\n\t\t *\n\t\t * @private\n\t\t * @member {module:upload/filerepository~UploadAdapter}\n\t\t */\n\t\tthis._adapter = uploadAdapterCreator( this );\n\n\t\t/**\n\t\t * FileReader used by FileLoader.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:upload/filereader~FileReader}\n\t\t */\n\t\tthis._reader = new FileReader();\n\n\t\t/**\n\t\t * Current status of FileLoader. It can be one of the following:\n\t\t *\n\t\t * * 'idle',\n\t\t * * 'reading',\n\t\t * * 'uploading',\n\t\t * * 'aborted',\n\t\t * * 'error'.\n\t\t *\n\t\t * When reading status can change in a following way:\n\t\t *\n\t\t * `idle` -> `reading` -> `idle`\n\t\t * `idle` -> `reading -> `aborted`\n\t\t * `idle` -> `reading -> `error`\n\t\t *\n\t\t * When uploading status can change in a following way:\n\t\t *\n\t\t * `idle` -> `uploading` -> `idle`\n\t\t * `idle` -> `uploading` -> `aborted`\n\t\t * `idle` -> `uploading` -> `error`\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {String} #status\n\t\t */\n\t\tthis.set( 'status', 'idle' );\n\n\t\t/**\n\t\t * Number of bytes uploaded.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #uploaded\n\t\t */\n\t\tthis.set( 'uploaded', 0 );\n\n\t\t/**\n\t\t * Number of total bytes to upload.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #uploadTotal\n\t\t */\n\t\tthis.set( 'uploadTotal', null );\n\n\t\t/**\n\t\t * Upload progress in percents.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number} #uploadedPercent\n\t\t */\n\t\tthis.bind( 'uploadedPercent' ).to( this, 'uploaded', this, 'uploadTotal', ( uploaded, total ) => {\n\t\t\treturn total ? ( uploaded / total * 100 ) : 0;\n\t\t} );\n\n\t\t/**\n\t\t * Response of the upload.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Object|null} #uploadResponse\n\t\t */\n\t\tthis.set( 'uploadResponse', null );\n\t}\n\n\t/**\n\t * A `Promise` which resolves to a `File` instance associated with this file loader.\n\t *\n\t * @type {Promise.<File|null>}\n\t */\n\tget file() {\n\t\tif ( !this._filePromiseWrapper ) {\n\t\t\t// Loader was destroyed, return promise which resolves to null.\n\t\t\treturn Promise.resolve( null );\n\t\t} else {\n\t\t\t// The `this._filePromiseWrapper.promise` is chained and not simply returned to handle a case when:\n\t\t\t//\n\t\t\t//\t\t* The `loader.file.then( ... )` is called by external code (returned promise is pending).\n\t\t\t//\t\t* Then `loader._destroy()` is called (call is synchronous) which destroys the `loader`.\n\t\t\t//\t\t* Promise returned by the first `loader.file.then( ... )` call is resolved.\n\t\t\t//\n\t\t\t// Returning `this._filePromiseWrapper.promise` will still resolve to a `File` instance so there\n\t\t\t// is an additional check needed in the chain to see if `loader` was destroyed in the meantime.\n\t\t\treturn this._filePromiseWrapper.promise.then( file => this._filePromiseWrapper ? file : null );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the file data. To read its data, you need for first load the file\n\t * by using the {@link module:upload/filerepository~FileLoader#read `read()`} method.\n\t *\n\t * @type {File|undefined}\n\t */\n\tget data() {\n\t\treturn this._reader.data;\n\t}\n\n\t/**\n\t * Reads file using {@link module:upload/filereader~FileReader}.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `filerepository-read-wrong-status` when status\n\t * is different than `idle`.\n\t *\n\t * Example usage:\n\t *\n\t *\tfileLoader.read()\n\t *\t\t.then( data => { ... } )\n\t *\t\t.catch( err => {\n\t *\t\t\tif ( err === 'aborted' ) {\n\t *\t\t\t\tconsole.log( 'Reading aborted.' );\n\t *\t\t\t} else {\n\t *\t\t\t\tconsole.log( 'Reading error.', err );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @returns {Promise.<String>} Returns promise that will be resolved with read data. Promise will be rejected if error\n\t * occurs or if read process is aborted.\n\t */\n\tread() {\n\t\tif ( this.status != 'idle' ) {\n\t\t\t/**\n\t\t\t * You cannot call read if the status is different than idle.\n\t\t\t *\n\t\t\t * @error filerepository-read-wrong-status\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'filerepository-read-wrong-status', this );\n\t\t}\n\n\t\tthis.status = 'reading';\n\n\t\treturn this.file\n\t\t\t.then( file => this._reader.read( file ) )\n\t\t\t.then( data => {\n\t\t\t\t// Edge case: reader was aborted after file was read - double check for proper status.\n\t\t\t\t// It can happen when image was deleted during its upload.\n\t\t\t\tif ( this.status !== 'reading' ) {\n\t\t\t\t\tthrow this.status;\n\t\t\t\t}\n\n\t\t\t\tthis.status = 'idle';\n\n\t\t\t\treturn data;\n\t\t\t} )\n\t\t\t.catch( err => {\n\t\t\t\tif ( err === 'aborted' ) {\n\t\t\t\t\tthis.status = 'aborted';\n\t\t\t\t\tthrow 'aborted';\n\t\t\t\t}\n\n\t\t\t\tthis.status = 'error';\n\t\t\t\tthrow this._reader.error ? this._reader.error : err;\n\t\t\t} );\n\t}\n\n\t/**\n\t * Reads file using the provided {@link module:upload/filerepository~UploadAdapter}.\n\t *\n\t * Throws {@link module:utils/ckeditorerror~CKEditorError CKEditorError} `filerepository-upload-wrong-status` when status\n\t * is different than `idle`.\n\t * Example usage:\n\t *\n\t *\tfileLoader.upload()\n\t *\t\t.then( data => { ... } )\n\t *\t\t.catch( e => {\n\t *\t\t\tif ( e === 'aborted' ) {\n\t *\t\t\t\tconsole.log( 'Uploading aborted.' );\n\t *\t\t\t} else {\n\t *\t\t\t\tconsole.log( 'Uploading error.', e );\n\t *\t\t\t}\n\t *\t\t} );\n\t *\n\t * @returns {Promise.<Object>} Returns promise that will be resolved with response data. Promise will be rejected if error\n\t * occurs or if read process is aborted.\n\t */\n\tupload() {\n\t\tif ( this.status != 'idle' ) {\n\t\t\t/**\n\t\t\t * You cannot call upload if the status is different than idle.\n\t\t\t *\n\t\t\t * @error filerepository-upload-wrong-status\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'filerepository-upload-wrong-status', this );\n\t\t}\n\n\t\tthis.status = 'uploading';\n\n\t\treturn this.file\n\t\t\t.then( () => this._adapter.upload() )\n\t\t\t.then( data => {\n\t\t\t\tthis.uploadResponse = data;\n\t\t\t\tthis.status = 'idle';\n\n\t\t\t\treturn data;\n\t\t\t} )\n\t\t\t.catch( err => {\n\t\t\t\tif ( this.status === 'aborted' ) {\n\t\t\t\t\tthrow 'aborted';\n\t\t\t\t}\n\n\t\t\t\tthis.status = 'error';\n\t\t\t\tthrow err;\n\t\t\t} );\n\t}\n\n\t/**\n\t * Aborts loading process.\n\t */\n\tabort() {\n\t\tconst status = this.status;\n\t\tthis.status = 'aborted';\n\n\t\tif ( !this._filePromiseWrapper.isFulfilled ) {\n\t\t\t// Edge case: file loader is aborted before read() is called\n\t\t\t// so it might happen that no one handled the rejection of this promise.\n\t\t\t// See https://github.com/ckeditor/ckeditor5-upload/pull/100\n\t\t\tthis._filePromiseWrapper.promise.catch( () => {} );\n\n\t\t\tthis._filePromiseWrapper.rejecter( 'aborted' );\n\t\t} else if ( status == 'reading' ) {\n\t\t\tthis._reader.abort();\n\t\t} else if ( status == 'uploading' && this._adapter.abort ) {\n\t\t\tthis._adapter.abort();\n\t\t}\n\n\t\tthis._destroy();\n\t}\n\n\t/**\n\t * Performs cleanup.\n\t *\n\t * @private\n\t */\n\t_destroy() {\n\t\tthis._filePromiseWrapper = undefined;\n\t\tthis._reader = undefined;\n\t\tthis._adapter = undefined;\n\t\tthis.uploadResponse = undefined;\n\t}\n\n\t/**\n\t * Wraps a given file promise into another promise giving additional\n\t * control (resolving, rejecting, checking if fulfilled) over it.\n\t *\n\t * @private\n\t * @param filePromise The initial file promise to be wrapped.\n\t * @returns {module:upload/filerepository~FilePromiseWrapper}\n\t */\n\t_createFilePromiseWrapper( filePromise ) {\n\t\tconst wrapper = {};\n\n\t\twrapper.promise = new Promise( ( resolve, reject ) => {\n\t\t\twrapper.rejecter = reject;\n\t\t\twrapper.isFulfilled = false;\n\n\t\t\tfilePromise\n\t\t\t\t.then( file => {\n\t\t\t\t\twrapper.isFulfilled = true;\n\t\t\t\t\tresolve( file );\n\t\t\t\t} )\n\t\t\t\t.catch( err => {\n\t\t\t\t\twrapper.isFulfilled = true;\n\t\t\t\t\treject( err );\n\t\t\t\t} );\n\t\t} );\n\n\t\treturn wrapper;\n\t}\n}\n\nmix( FileLoader, ObservableMixin );\n\n/**\n * Upload adapter interface used by the {@link module:upload/filerepository~FileRepository file repository}\n * to handle file upload. An upload adapter is a bridge between the editor and server that handles file uploads.\n * It should contain a logic necessary to initiate an upload process and monitor its progress.\n *\n * Learn how to develop your own upload adapter for CKEditor 5 in the\n * {@glink framework/guides/deep-dive/upload-adapter \"Custom upload adapter\" guide}.\n *\n * @interface UploadAdapter\n */\n\n/**\n * Executes the upload process.\n * This method should return a promise that will resolve when data will be uploaded to server. Promise should be\n * resolved with an object containing information about uploaded file:\n *\n *\t\t{\n *\t\t\tdefault: 'http://server/default-size.image.png'\n *\t\t}\n *\n * Additionally, other image sizes can be provided:\n *\n *\t\t{\n *\t\t\tdefault: 'http://server/default-size.image.png',\n *\t\t\t'160': 'http://server/size-160.image.png',\n *\t\t\t'500': 'http://server/size-500.image.png',\n *\t\t\t'1000': 'http://server/size-1000.image.png',\n *\t\t\t'1052': 'http://server/default-size.image.png'\n *\t\t}\n *\n * You can also pass additional properties from the server. In this case you need to wrap URLs\n * in the `urls` object and pass additional properties along the `urls` property.\n *\n * \t\t{\n * \t\t\tmyCustomProperty: 'foo',\n * \t\t\turls: {\n *\t\t\t\tdefault: 'http://server/default-size.image.png',\n *\t\t\t\t'160': 'http://server/size-160.image.png',\n *\t\t\t\t'500': 'http://server/size-500.image.png',\n *\t\t\t\t'1000': 'http://server/size-1000.image.png',\n *\t\t\t\t'1052': 'http://server/default-size.image.png'\n *\t\t\t}\n *\t\t}\n *\n * NOTE: When returning multiple images, the widest returned one should equal the default one. It is essential to\n * correctly set `width` attribute of the image. See this discussion:\n * https://github.com/ckeditor/ckeditor5-easy-image/issues/4 for more information.\n *\n * Take a look at {@link module:upload/filerepository~UploadAdapter example Adapter implementation} and\n * {@link module:upload/filerepository~FileRepository#createUploadAdapter createUploadAdapter method}.\n *\n * @method module:upload/filerepository~UploadAdapter#upload\n * @returns {Promise.<Object>} Promise that should be resolved when data is uploaded.\n */\n\n/**\n * Aborts the upload process.\n * After aborting it should reject promise returned from {@link #upload upload()}.\n *\n * Take a look at {@link module:upload/filerepository~UploadAdapter example Adapter implementation} and\n * {@link module:upload/filerepository~FileRepository#createUploadAdapter createUploadAdapter method}.\n *\n * @method module:upload/filerepository~UploadAdapter#abort\n */\n\n/**\n * Object returned by {@link module:upload/filerepository~FileLoader#_createFilePromiseWrapper} method\n * to add more control over the initial file promise passed to {@link module:upload/filerepository~FileLoader}.\n *\n * @protected\n * @typedef {Object} module:upload/filerepository~FilePromiseWrapper\n * @property {Promise.<File>} promise Wrapper promise which can be chained for further processing.\n * @property {Function} rejecter Rejects the promise when called.\n * @property {Boolean} isFulfilled Whether original promise is already fulfilled.\n */\n","import {getOPService} from './op-context/op-context';\n\nexport default class OpUploadResourceAdapter {\n    constructor(loader, resource, editor) {\n        this.loader = loader;\n        this.resource = resource;\n        this.editor = editor;\n    }\n\n    upload() {\n\t\tconst resource = this.resource;\n\t\tconst resourceService = getOPService(this.editor, 'attachmentsResourceService');\n\n        if (!resource) {\n            console.warn(`resource not available in this CKEditor instance`);\n            return Promise.reject(\"Not possible to upload attachments without resource\");\n\t\t}\n\n\t\treturn this.loader.file\n\t\t\t.then(file => {\n\t\t\treturn resourceService\n\t\t\t\t.attachFiles(resource, [file])\n\t\t\t\t.toPromise()\n\t\t\t\t.then((result) => {\n\t\t\t\t\tthis.editor.model.fire('op:attachment-added', result);\n\n\t\t\t\t\treturn this.buildResponse(result[0])\n\t\t\t\t}).catch((error) => {\n\t\t\t\t\tconsole.error(\"Failed upload %O\", error);\n\t\t\t\t});\n\t\t})\n\n\t}\n\n\tbuildResponse(result) {\n\t\treturn { default: result._links.staticDownloadLocation.href };\n\t}\n\n    abort() {\n\t\treturn false;\n    }\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module upload/ui/filedialogbuttonview\n */\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\nimport View from '@ckeditor/ckeditor5-ui/src/view';\n\n/**\n * The file dialog button view.\n *\n * This component provides a button that opens the native file selection dialog.\n * It can be used to implement the UI of a file upload feature.\n *\n *\t\tconst view = new FileDialogButtonView( locale );\n *\n *\t\tview.set( {\n *\t\t\tacceptedType: 'image/*',\n *\t\t\tallowMultipleFiles: true\n *\t\t} );\n *\n *\t\tview.buttonView.set( {\n *\t\t\tlabel: t( 'Insert image' ),\n *\t\t\ticon: imageIcon,\n *\t\t\ttooltip: true\n *\t\t} );\n *\n *\t\tview.on( 'done', ( evt, files ) => {\n *\t\t\tfor ( const file of Array.from( files ) ) {\n *\t\t\t\tconsole.log( 'Selected file', file );\n *\t\t\t}\n *\t\t} );\n *\n * @extends module:ui/view~View\n */\nexport default class FileDialogButtonView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * The button view of the component.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.buttonView = new ButtonView( locale );\n\n\t\t/**\n\t\t * A hidden `<input>` view used to execute file dialog.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:upload/ui/filedialogbuttonview~FileInputView}\n\t\t */\n\t\tthis._fileInputView = new FileInputView( locale );\n\n\t\t/**\n\t\t * Accepted file types. Can be provided in form of file extensions, media type or one of:\n\t\t * * `audio/*`,\n\t\t * * `video/*`,\n\t\t * * `image/*`.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #acceptedType\n\t\t */\n\t\tthis._fileInputView.bind( 'acceptedType' ).to( this );\n\n\t\t/**\n\t\t * Indicates if multiple files can be selected. Defaults to `true`.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #allowMultipleFiles\n\t\t */\n\t\tthis._fileInputView.bind( 'allowMultipleFiles' ).to( this );\n\n\t\t/**\n\t\t * Fired when file dialog is closed with file selected.\n\t\t *\n\t\t *\t\tview.on( 'done', ( evt, files ) => {\n\t\t *\t\t\tfor ( const file of files ) {\n\t\t *\t\t\t\tconsole.log( 'Selected file', file );\n\t\t *\t\t\t}\n\t\t *\t\t}\n\t\t *\n\t\t * @event done\n\t\t * @param {Array.<File>} files Array of selected files.\n\t\t */\n\t\tthis._fileInputView.delegate( 'done' ).to( this );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-file-dialog-button'\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\tthis.buttonView,\n\t\t\t\tthis._fileInputView\n\t\t\t]\n\t\t} );\n\n\t\tthis.buttonView.on( 'execute', () => {\n\t\t\tthis._fileInputView.open();\n\t\t} );\n\t}\n\n\t/**\n\t * Focuses the {@link #buttonView}.\n\t */\n\tfocus() {\n\t\tthis.buttonView.focus();\n\t}\n}\n\n/**\n * The hidden file input view class.\n *\n * @private\n * @extends module:ui/view~View\n */\nclass FileInputView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * Accepted file types. Can be provided in form of file extensions, media type or one of:\n\t\t * * `audio/*`,\n\t\t * * `video/*`,\n\t\t * * `image/*`.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #acceptedType\n\t\t */\n\t\tthis.set( 'acceptedType' );\n\n\t\t/**\n\t\t * Indicates if multiple files can be selected. Defaults to `false`.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #allowMultipleFiles\n\t\t */\n\t\tthis.set( 'allowMultipleFiles', false );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'input',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-hidden'\n\t\t\t\t],\n\t\t\t\ttype: 'file',\n\t\t\t\ttabindex: '-1',\n\t\t\t\taccept: bind.to( 'acceptedType' ),\n\t\t\t\tmultiple: bind.to( 'allowMultipleFiles' )\n\t\t\t},\n\n\t\t\ton: {\n\t\t\t\t// Removing from code coverage since we cannot programmatically set input element files.\n\t\t\t\tchange: bind.to( /* istanbul ignore next */ () => {\n\t\t\t\t\tif ( this.element && this.element.files && this.element.files.length ) {\n\t\t\t\t\t\tthis.fire( 'done', this.element.files );\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.element.value = '';\n\t\t\t\t} )\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Opens file dialog.\n\t */\n\topen() {\n\t\tthis.element.click();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload/utils\n */\n\n/* global fetch, File */\n\nimport { global } from 'ckeditor5/src/utils';\n\n/**\n * Creates a regular expression used to test for image files.\n *\n *\t\tconst imageType = createImageTypeRegExp( [ 'png', 'jpeg', 'svg+xml', 'vnd.microsoft.icon' ] );\n *\n *\t\tconsole.log( 'is supported image', imageType.test( file.type ) );\n *\n * @param {Array.<String>} types\n * @returns {RegExp}\n */\nexport function createImageTypeRegExp( types ) {\n\t// Sanitize the MIME type name which may include: \"+\", \"-\" or \".\".\n\tconst regExpSafeNames = types.map( type => type.replace( '+', '\\\\+' ) );\n\n\treturn new RegExp( `^image\\\\/(${ regExpSafeNames.join( '|' ) })$` );\n}\n\n/**\n * Creates a promise that fetches the image local source (Base64 or blob) and resolves with a `File` object.\n *\n * @param {module:engine/view/element~Element} image Image whose source to fetch.\n * @returns {Promise.<File>} A promise which resolves when an image source is fetched and converted to a `File` instance.\n * It resolves with a `File` object. If there were any errors during file processing, the promise will be rejected.\n */\nexport function fetchLocalImage( image ) {\n\treturn new Promise( ( resolve, reject ) => {\n\t\tconst imageSrc = image.getAttribute( 'src' );\n\n\t\t// Fetch works asynchronously and so does not block browser UI when processing data.\n\t\tfetch( imageSrc )\n\t\t\t.then( resource => resource.blob() )\n\t\t\t.then( blob => {\n\t\t\t\tconst mimeType = getImageMimeType( blob, imageSrc );\n\t\t\t\tconst ext = mimeType.replace( 'image/', '' );\n\t\t\t\tconst filename = `image.${ ext }`;\n\t\t\t\tconst file = new File( [ blob ], filename, { type: mimeType } );\n\n\t\t\t\tresolve( file );\n\t\t\t} )\n\t\t\t.catch( err => {\n\t\t\t\t// Fetch fails only, if it can't make a request due to a network failure or if anything prevented the request\n\t\t\t\t// from completing, i.e. the Content Security Policy rules. It is not possible to detect the exact cause of failure,\n\t\t\t\t// so we are just trying the fallback solution, if general TypeError is thrown.\n\t\t\t\treturn err && err.name === 'TypeError' ?\n\t\t\t\t\tconvertLocalImageOnCanvas( imageSrc ).then( resolve ).catch( reject ) :\n\t\t\t\t\treject( err );\n\t\t\t} );\n\t} );\n}\n\n/**\n * Checks whether a given node is an image element with a local source (Base64 or blob).\n *\n * @param {module:image/imageutils~ImageUtils} imageUtils\n * @param {module:engine/view/node~Node} node The node to check.\n * @returns {Boolean}\n */\nexport function isLocalImage( imageUtils, node ) {\n\tif ( !imageUtils.isInlineImageView( node ) || !node.getAttribute( 'src' ) ) {\n\t\treturn false;\n\t}\n\n\treturn node.getAttribute( 'src' ).match( /^data:image\\/\\w+;base64,/g ) ||\n\t\tnode.getAttribute( 'src' ).match( /^blob:/g );\n}\n\n// Extracts an image type based on its blob representation or its source.\n//\n// @param {String} src Image `src` attribute value.\n// @param {Blob} blob Image blob representation.\n// @returns {String}\nfunction getImageMimeType( blob, src ) {\n\tif ( blob.type ) {\n\t\treturn blob.type;\n\t} else if ( src.match( /data:(image\\/\\w+);base64/ ) ) {\n\t\treturn src.match( /data:(image\\/\\w+);base64/ )[ 1 ].toLowerCase();\n\t} else {\n\t\t// Fallback to 'jpeg' as common extension.\n\t\treturn 'image/jpeg';\n\t}\n}\n\n// Creates a promise that converts the image local source (Base64 or blob) to a blob using canvas and resolves\n// with a `File` object.\n//\n// @param {String} imageSrc Image `src` attribute value.\n// @returns {Promise.<File>} A promise which resolves when an image source is converted to a `File` instance.\n// It resolves with a `File` object. If there were any errors during file processing, the promise will be rejected.\nfunction convertLocalImageOnCanvas( imageSrc ) {\n\treturn getBlobFromCanvas( imageSrc ).then( blob => {\n\t\tconst mimeType = getImageMimeType( blob, imageSrc );\n\t\tconst ext = mimeType.replace( 'image/', '' );\n\t\tconst filename = `image.${ ext }`;\n\n\t\treturn new File( [ blob ], filename, { type: mimeType } );\n\t} );\n}\n\n// Creates a promise that resolves with a `Blob` object converted from the image source (Base64 or blob).\n//\n// @param {String} imageSrc Image `src` attribute value.\n// @returns {Promise.<Blob>}\nfunction getBlobFromCanvas( imageSrc ) {\n\treturn new Promise( ( resolve, reject ) => {\n\t\tconst image = global.document.createElement( 'img' );\n\n\t\timage.addEventListener( 'load', () => {\n\t\t\tconst canvas = global.document.createElement( 'canvas' );\n\n\t\t\tcanvas.width = image.width;\n\t\t\tcanvas.height = image.height;\n\n\t\t\tconst ctx = canvas.getContext( '2d' );\n\n\t\t\tctx.drawImage( image, 0, 0 );\n\n\t\t\tcanvas.toBlob( blob => blob ? resolve( blob ) : reject() );\n\t\t} );\n\n\t\timage.addEventListener( 'error', () => reject() );\n\n\t\timage.src = imageSrc;\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload/imageuploadui\n */\n\nimport { Plugin, icons } from 'ckeditor5/src/core';\nimport { FileDialogButtonView } from 'ckeditor5/src/upload';\nimport { createImageTypeRegExp } from './utils';\n\n/**\n * The image upload button plugin.\n *\n * For a detailed overview, check the {@glink features/images/image-upload/image-upload Image upload feature} documentation.\n *\n * Adds the `'uploadImage'` button to the {@link module:ui/componentfactory~ComponentFactory UI component factory}\n * and also the `imageUpload` button as an alias for backward compatibility.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUploadUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageUploadUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst componentCreator = locale => {\n\t\t\tconst view = new FileDialogButtonView( locale );\n\t\t\tconst command = editor.commands.get( 'uploadImage' );\n\t\t\tconst imageTypes = editor.config.get( 'image.upload.types' );\n\t\t\tconst imageTypesRegExp = createImageTypeRegExp( imageTypes );\n\n\t\t\tview.set( {\n\t\t\t\tacceptedType: imageTypes.map( type => `image/${ type }` ).join( ',' ),\n\t\t\t\tallowMultipleFiles: true\n\t\t\t} );\n\n\t\t\tview.buttonView.set( {\n\t\t\t\tlabel: t( 'Insert image' ),\n\t\t\t\ticon: icons.image,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.buttonView.bind( 'isEnabled' ).to( command );\n\n\t\t\tview.on( 'done', ( evt, files ) => {\n\t\t\t\tconst imagesToUpload = Array.from( files ).filter( file => imageTypesRegExp.test( file.type ) );\n\n\t\t\t\tif ( imagesToUpload.length ) {\n\t\t\t\t\teditor.execute( 'uploadImage', { file: imagesToUpload } );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t};\n\n\t\t// Setup `uploadImage` button and add `imageUpload` button as an alias for backward compatibility.\n\t\teditor.ui.componentFactory.add( 'uploadImage', componentCreator );\n\t\teditor.ui.componentFactory.add( 'imageUpload', componentCreator );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imageuploadprogress.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imageuploadprogress.css\";\n       export default content && content.locals ? content.locals : undefined;\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imageuploadicon.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imageuploadicon.css\";\n       export default content && content.locals ? content.locals : undefined;\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imageuploadloader.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imageuploadloader.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload/imageuploadprogress\n */\n\n/* globals setTimeout */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { FileRepository } from 'ckeditor5/src/upload';\n\nimport '../../theme/imageuploadprogress.css';\nimport '../../theme/imageuploadicon.css';\nimport '../../theme/imageuploadloader.css';\n\n/**\n * The image upload progress plugin.\n * It shows a placeholder when the image is read from the disk and a progress bar while the image is uploading.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUploadProgress extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageUploadProgress';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The image placeholder that is displayed before real image data can be accessed.\n\t\t *\n\t\t * For the record, this image is a 1x1 px GIF with an aspect ratio set by CSS.\n\t\t *\n\t\t * @protected\n\t\t * @member {String} #placeholder\n\t\t */\n\t\tthis.placeholder = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Upload status change - update image's view according to that status.\n\t\tif ( editor.plugins.has( 'ImageBlockEditing' ) ) {\n\t\t\teditor.editing.downcastDispatcher.on( 'attribute:uploadStatus:imageBlock', ( ...args ) => this.uploadStatusChange( ...args ) );\n\t\t}\n\n\t\tif ( editor.plugins.has( 'ImageInlineEditing' ) ) {\n\t\t\teditor.editing.downcastDispatcher.on( 'attribute:uploadStatus:imageInline', ( ...args ) => this.uploadStatusChange( ...args ) );\n\t\t}\n\t}\n\n\t/**\n\t * This method is called each time the image `uploadStatus` attribute is changed.\n\t *\n\t * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n\t * @param {Object} data Additional information about the change.\n\t * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n\t */\n\tuploadStatusChange( evt, data, conversionApi ) {\n\t\tconst editor = this.editor;\n\t\tconst modelImage = data.item;\n\t\tconst uploadId = modelImage.getAttribute( 'uploadId' );\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst fileRepository = editor.plugins.get( FileRepository );\n\t\tconst status = uploadId ? data.attributeNewValue : null;\n\t\tconst placeholder = this.placeholder;\n\t\tconst viewFigure = editor.editing.mapper.toViewElement( modelImage );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\tif ( status == 'reading' ) {\n\t\t\t// Start \"appearing\" effect and show placeholder with infinite progress bar on the top\n\t\t\t// while image is read from disk.\n\t\t\t_startAppearEffect( viewFigure, viewWriter );\n\t\t\t_showPlaceholder( imageUtils, placeholder, viewFigure, viewWriter );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Show progress bar on the top of the image when image is uploading.\n\t\tif ( status == 'uploading' ) {\n\t\t\tconst loader = fileRepository.loaders.get( uploadId );\n\n\t\t\t// Start appear effect if needed - see https://github.com/ckeditor/ckeditor5-image/issues/191.\n\t\t\t_startAppearEffect( viewFigure, viewWriter );\n\n\t\t\tif ( !loader ) {\n\t\t\t\t// There is no loader associated with uploadId - this means that image came from external changes.\n\t\t\t\t// In such cases we still want to show the placeholder until image is fully uploaded.\n\t\t\t\t// Show placeholder if needed - see https://github.com/ckeditor/ckeditor5-image/issues/191.\n\t\t\t\t_showPlaceholder( imageUtils, placeholder, viewFigure, viewWriter );\n\t\t\t} else {\n\t\t\t\t// Hide placeholder and initialize progress bar showing upload progress.\n\t\t\t\t_hidePlaceholder( viewFigure, viewWriter );\n\t\t\t\t_showProgressBar( viewFigure, viewWriter, loader, editor.editing.view );\n\t\t\t\t_displayLocalImage( imageUtils, viewFigure, viewWriter, loader );\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\tif ( status == 'complete' && fileRepository.loaders.get( uploadId ) ) {\n\t\t\t_showCompleteIcon( viewFigure, viewWriter, editor.editing.view );\n\t\t}\n\n\t\t// Clean up.\n\t\t_hideProgressBar( viewFigure, viewWriter );\n\t\t_hidePlaceholder( viewFigure, viewWriter );\n\t\t_stopAppearEffect( viewFigure, viewWriter );\n\t}\n}\n\n// Adds ck-appear class to the image figure if one is not already applied.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _startAppearEffect( viewFigure, writer ) {\n\tif ( !viewFigure.hasClass( 'ck-appear' ) ) {\n\t\twriter.addClass( 'ck-appear', viewFigure );\n\t}\n}\n\n// Removes ck-appear class to the image figure if one is not already removed.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _stopAppearEffect( viewFigure, writer ) {\n\twriter.removeClass( 'ck-appear', viewFigure );\n}\n\n// Shows placeholder together with infinite progress bar on given image figure.\n//\n// @param {module:image/imageutils~ImageUtils} imageUtils\n// @param {String} Data-uri with a svg placeholder.\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _showPlaceholder( imageUtils, placeholder, viewFigure, writer ) {\n\tif ( !viewFigure.hasClass( 'ck-image-upload-placeholder' ) ) {\n\t\twriter.addClass( 'ck-image-upload-placeholder', viewFigure );\n\t}\n\n\tconst viewImg = imageUtils.findViewImgElement( viewFigure );\n\n\tif ( viewImg.getAttribute( 'src' ) !== placeholder ) {\n\t\twriter.setAttribute( 'src', placeholder, viewImg );\n\t}\n\n\tif ( !_getUIElement( viewFigure, 'placeholder' ) ) {\n\t\twriter.insert( writer.createPositionAfter( viewImg ), _createPlaceholder( writer ) );\n\t}\n}\n\n// Removes placeholder together with infinite progress bar on given image figure.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _hidePlaceholder( viewFigure, writer ) {\n\tif ( viewFigure.hasClass( 'ck-image-upload-placeholder' ) ) {\n\t\twriter.removeClass( 'ck-image-upload-placeholder', viewFigure );\n\t}\n\n\t_removeUIElement( viewFigure, writer, 'placeholder' );\n}\n\n// Shows progress bar displaying upload progress.\n// Attaches it to the file loader to update when upload percentace is changed.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {module:upload/filerepository~FileLoader} loader\n// @param {module:engine/view/view~View} view\nfunction _showProgressBar( viewFigure, writer, loader, view ) {\n\tconst progressBar = _createProgressBar( writer );\n\twriter.insert( writer.createPositionAt( viewFigure, 'end' ), progressBar );\n\n\t// Update progress bar width when uploadedPercent is changed.\n\tloader.on( 'change:uploadedPercent', ( evt, name, value ) => {\n\t\tview.change( writer => {\n\t\t\twriter.setStyle( 'width', value + '%', progressBar );\n\t\t} );\n\t} );\n}\n\n// Hides upload progress bar.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\nfunction _hideProgressBar( viewFigure, writer ) {\n\t_removeUIElement( viewFigure, writer, 'progressBar' );\n}\n\n// Shows complete icon and hides after a certain amount of time.\n//\n// @param {module:engine/view/containerelement~ContainerElement} viewFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {module:engine/view/view~View} view\nfunction _showCompleteIcon( viewFigure, writer, view ) {\n\tconst completeIcon = writer.createUIElement( 'div', { class: 'ck-image-upload-complete-icon' } );\n\n\twriter.insert( writer.createPositionAt( viewFigure, 'end' ), completeIcon );\n\n\tsetTimeout( () => {\n\t\tview.change( writer => writer.remove( writer.createRangeOn( completeIcon ) ) );\n\t}, 3000 );\n}\n\n// Create progress bar element using {@link module:engine/view/uielement~UIElement}.\n//\n// @private\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @returns {module:engine/view/uielement~UIElement}\nfunction _createProgressBar( writer ) {\n\tconst progressBar = writer.createUIElement( 'div', { class: 'ck-progress-bar' } );\n\n\twriter.setCustomProperty( 'progressBar', true, progressBar );\n\n\treturn progressBar;\n}\n\n// Create placeholder element using {@link module:engine/view/uielement~UIElement}.\n//\n// @private\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @returns {module:engine/view/uielement~UIElement}\nfunction _createPlaceholder( writer ) {\n\tconst placeholder = writer.createUIElement( 'div', { class: 'ck-upload-placeholder-loader' } );\n\n\twriter.setCustomProperty( 'placeholder', true, placeholder );\n\n\treturn placeholder;\n}\n\n// Returns {@link module:engine/view/uielement~UIElement} of given unique property from image figure element.\n// Returns `undefined` if element is not found.\n//\n// @private\n// @param {module:engine/view/element~Element} imageFigure\n// @param {String} uniqueProperty\n// @returns {module:engine/view/uielement~UIElement|undefined}\nfunction _getUIElement( imageFigure, uniqueProperty ) {\n\tfor ( const child of imageFigure.getChildren() ) {\n\t\tif ( child.getCustomProperty( uniqueProperty ) ) {\n\t\t\treturn child;\n\t\t}\n\t}\n}\n\n// Removes {@link module:engine/view/uielement~UIElement} of given unique property from image figure element.\n//\n// @private\n// @param {module:engine/view/element~Element} imageFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {String} uniqueProperty\nfunction _removeUIElement( viewFigure, writer, uniqueProperty ) {\n\tconst element = _getUIElement( viewFigure, uniqueProperty );\n\n\tif ( element ) {\n\t\twriter.remove( writer.createRangeOn( element ) );\n\t}\n}\n\n// Displays local data from file loader.\n//\n// @param {module:image/imageutils~ImageUtils} imageUtils\n// @param {module:engine/view/element~Element} imageFigure\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer\n// @param {module:upload/filerepository~FileLoader} loader\nfunction _displayLocalImage( imageUtils, viewFigure, writer, loader ) {\n\tif ( loader.data ) {\n\t\tconst viewImg = imageUtils.findViewImgElement( viewFigure );\n\n\t\twriter.setAttribute( 'src', loader.data, viewImg );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/datatransfer\n */\n\n/**\n * A facade over the native [`DataTransfer`](https://developer.mozilla.org/en-US/docs/Web/API/DataTransfer) object.\n */\nexport default class DataTransfer {\n\tconstructor( nativeDataTransfer ) {\n\t\t/**\n\t\t * The array of files created from the native `DataTransfer#files` or `DataTransfer#items`.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<File>} #files\n\t\t */\n\t\tthis.files = getFiles( nativeDataTransfer );\n\n\t\t/**\n\t\t * The native DataTransfer object.\n\t\t *\n\t\t * @private\n\t\t * @member {DataTransfer} #_native\n\t\t */\n\t\tthis._native = nativeDataTransfer;\n\t}\n\n\t/**\n\t * Returns an array of available native content types.\n\t *\n\t * @returns {Array.<String>}\n\t */\n\tget types() {\n\t\treturn this._native.types;\n\t}\n\n\t/**\n\t * Gets the data from the data transfer by its MIME type.\n\t *\n\t *\t\tdataTransfer.getData( 'text/plain' );\n\t *\n\t * @param {String} type The MIME type. E.g. `text/html` or `text/plain`.\n\t * @returns {String}\n\t */\n\tgetData( type ) {\n\t\treturn this._native.getData( type );\n\t}\n\n\t/**\n\t * Sets the data in the data transfer.\n\t *\n\t * @param {String} type The MIME type. E.g. `text/html` or `text/plain`.\n\t * @param {String} data\n\t */\n\tsetData( type, data ) {\n\t\tthis._native.setData( type, data );\n\t}\n\n\t/**\n\t * The effect that is allowed for a drag operation.\n\t *\n\t * @param {String} value\n\t */\n\tset effectAllowed( value ) {\n\t\tthis._native.effectAllowed = value;\n\t}\n\n\tget effectAllowed() {\n\t\treturn this._native.effectAllowed;\n\t}\n\n\t/**\n\t * The actual drop effect.\n\t *\n\t * @param {String} value\n\t */\n\tset dropEffect( value ) {\n\t\tthis._native.dropEffect = value;\n\t}\n\n\tget dropEffect() {\n\t\treturn this._native.dropEffect;\n\t}\n\n\t/**\n\t * Whether the dragging operation was canceled.\n\t *\n\t * @returns {Boolean}\n\t */\n\tget isCanceled() {\n\t\treturn this._native.dropEffect == 'none' || !!this._native.mozUserCancelled;\n\t}\n}\n\nfunction getFiles( nativeDataTransfer ) {\n\t// DataTransfer.files and items are array-like and might not have an iterable interface.\n\tconst files = Array.from( nativeDataTransfer.files || [] );\n\tconst items = Array.from( nativeDataTransfer.items || [] );\n\n\tif ( files.length ) {\n\t\treturn files;\n\t}\n\n\t// Chrome has empty DataTransfer.files, but allows getting files through the items interface.\n\treturn items\n\t\t.filter( item => item.kind === 'file' )\n\t\t.map( item => item.getAsFile() );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/clipboardobserver\n */\n\nimport DomEventObserver from '@ckeditor/ckeditor5-engine/src/view/observer/domeventobserver';\nimport EventInfo from '@ckeditor/ckeditor5-utils/src/eventinfo';\nimport DataTransfer from './datatransfer';\n\n/**\n * Clipboard events observer.\n *\n * Fires the following events:\n *\n * * {@link module:engine/view/document~Document#event:clipboardInput},\n * * {@link module:engine/view/document~Document#event:paste},\n * * {@link module:engine/view/document~Document#event:copy},\n * * {@link module:engine/view/document~Document#event:cut},\n * * {@link module:engine/view/document~Document#event:drop},\n * * {@link module:engine/view/document~Document#event:dragover},\n * * {@link module:engine/view/document~Document#event:dragging},\n * * {@link module:engine/view/document~Document#event:dragstart},\n * * {@link module:engine/view/document~Document#event:dragend},\n * * {@link module:engine/view/document~Document#event:dragenter},\n * * {@link module:engine/view/document~Document#event:dragleave}.\n *\n * **Note**: This observer is not available by default (ckeditor5-engine does not add it on its own).\n * To make it available, it needs to be added to {@link module:engine/view/document~Document} by using\n * the {@link module:engine/view/view~View#addObserver `View#addObserver()`} method. Alternatively, you can load the\n * {@link module:clipboard/clipboard~Clipboard} plugin which adds this observer automatically (because it uses it).\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class ClipboardObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tconst viewDocument = this.document;\n\n\t\tthis.domEventType = [ 'paste', 'copy', 'cut', 'drop', 'dragover', 'dragstart', 'dragend', 'dragenter', 'dragleave' ];\n\n\t\tthis.listenTo( viewDocument, 'paste', handleInput( 'clipboardInput' ), { priority: 'low' } );\n\t\tthis.listenTo( viewDocument, 'drop', handleInput( 'clipboardInput' ), { priority: 'low' } );\n\t\tthis.listenTo( viewDocument, 'dragover', handleInput( 'dragging' ), { priority: 'low' } );\n\n\t\tfunction handleInput( type ) {\n\t\t\treturn ( evt, data ) => {\n\t\t\t\tdata.preventDefault();\n\n\t\t\t\tconst targetRanges = data.dropRange ? [ data.dropRange ] : null;\n\t\t\t\tconst eventInfo = new EventInfo( viewDocument, type );\n\n\t\t\t\tviewDocument.fire( eventInfo, {\n\t\t\t\t\tdataTransfer: data.dataTransfer,\n\t\t\t\t\tmethod: evt.name,\n\t\t\t\t\ttargetRanges,\n\t\t\t\t\ttarget: data.target\n\t\t\t\t} );\n\n\t\t\t\t// If CKEditor handled the input, do not bubble the original event any further.\n\t\t\t\t// This helps external integrations recognize that fact and act accordingly.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-upload/issues/92\n\t\t\t\tif ( eventInfo.stop.called ) {\n\t\t\t\t\tdata.stopPropagation();\n\t\t\t\t}\n\t\t\t};\n\t\t}\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tconst evtData = {\n\t\t\tdataTransfer: new DataTransfer( domEvent.clipboardData ? domEvent.clipboardData : domEvent.dataTransfer )\n\t\t};\n\n\t\tif ( domEvent.type == 'drop' || domEvent.type == 'dragover' ) {\n\t\t\tevtData.dropRange = getDropViewRange( this.view, domEvent );\n\t\t}\n\n\t\tthis.fire( domEvent.type, domEvent, evtData );\n\t}\n}\n\nfunction getDropViewRange( view, domEvent ) {\n\tconst domDoc = domEvent.target.ownerDocument;\n\tconst x = domEvent.clientX;\n\tconst y = domEvent.clientY;\n\tlet domRange;\n\n\t// Webkit & Blink.\n\tif ( domDoc.caretRangeFromPoint && domDoc.caretRangeFromPoint( x, y ) ) {\n\t\tdomRange = domDoc.caretRangeFromPoint( x, y );\n\t}\n\t// FF.\n\telse if ( domEvent.rangeParent ) {\n\t\tdomRange = domDoc.createRange();\n\t\tdomRange.setStart( domEvent.rangeParent, domEvent.rangeOffset );\n\t\tdomRange.collapse( true );\n\t}\n\n\tif ( domRange ) {\n\t\treturn view.domConverter.domRangeToView( domRange );\n\t}\n\n\treturn null;\n}\n\n/**\n * Fired as a continuation of the {@link #event:paste} and {@link #event:drop} events.\n *\n * It is a part of the {@glink framework/guides/deep-dive/clipboard#input-pipeline clipboard input pipeline}.\n *\n * This event carries a `dataTransfer` object which comes from the clipboard and whose content should be processed\n * and inserted into the editor.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @see module:clipboard/clipboard~Clipboard\n * @event module:engine/view/document~Document#event:clipboardInput\n * @param {Object} data The event data.\n * @param {module:clipboard/datatransfer~DataTransfer} data.dataTransfer The data transfer instance.\n * @param {'paste'|'drop'} method Whether the event was triggered by a paste or drop operation.\n * @param {module:engine/view/element~Element} target The tree view element representing the target.\n * @param {Array.<module:engine/view/range~Range>} data.targetRanges Ranges which are the target of the operation\n * (usually – into which the content should be inserted).\n * If the clipboard input was triggered by a paste operation, this property is not set. If by a drop operation,\n * then it is the drop position (which can be different than the selection at the moment of drop).\n */\n\n/**\n * Fired when the user drags the content over one of the editing roots of the editor.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:dragover\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user dropped the content into one of the editing roots of the editor.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:drop\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n * @param {module:engine/view/range~Range} dropRange The position into which the content is dropped.\n */\n\n/**\n * Fired when the user pasted the content into one of the editing roots of the editor.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:paste\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user copied the content from one of the editing roots of the editor.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @event module:engine/view/document~Document#event:copy\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user cut the content from one of the editing roots of the editor.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @event module:engine/view/document~Document#event:cut\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * The value of the {@link module:engine/view/document~Document#event:paste},\n * {@link module:engine/view/document~Document#event:copy} and {@link module:engine/view/document~Document#event:cut} events.\n *\n * In order to access the clipboard data, use the `dataTransfer` property.\n *\n * @class module:clipboard/clipboardobserver~ClipboardEventData\n * @extends module:engine/view/observer/domeventdata~DomEventData\n */\n\n/**\n * The data transfer instance.\n *\n * @readonly\n * @member {module:clipboard/datatransfer~DataTransfer} module:clipboard/clipboardobserver~ClipboardEventData#dataTransfer\n */\n\n/**\n * Fired as a continuation of the {@link #event:dragover} event.\n *\n * It is a part of the {@glink framework/guides/deep-dive/clipboard#input-pipeline clipboard input pipeline}.\n *\n * This event carries a `dataTransfer` object which comes from the clipboard and whose content should be processed\n * and inserted into the editor.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @see module:clipboard/clipboard~Clipboard\n * @event module:engine/view/document~Document#event:dragging\n * @param {Object} data The event data.\n * @param {module:clipboard/datatransfer~DataTransfer} data.dataTransfer The data transfer instance.\n * @param {module:engine/view/element~Element} target The tree view element representing the target.\n * @param {Array.<module:engine/view/range~Range>} data.targetRanges Ranges which are the target of the operation\n * (usually – into which the content should be inserted).\n * It is the drop position (which can be different than the selection at the moment of drop).\n */\n\n/**\n * Fired when the user starts dragging the content in one of the editing roots of the editor.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:dragstart\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user ended dragging the content.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:dragend\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user drags the content into one of the editing roots of the editor.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:dragenter\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n\n/**\n * Fired when the user drags the content out of one of the editing roots of the editor.\n *\n * Introduced by {@link module:clipboard/clipboardobserver~ClipboardObserver}.\n *\n * **Note**: This event is not available by default. To make it available, {@link module:clipboard/clipboardobserver~ClipboardObserver}\n * needs to be added to the {@link module:engine/view/document~Document} by using the {@link module:engine/view/view~View#addObserver}\n * method. This is usually done by the {@link module:clipboard/clipboard~Clipboard} plugin, but if for some reason it is not loaded,\n * the observer must be added manually.\n *\n * @see module:engine/view/document~Document#event:clipboardInput\n * @event module:engine/view/document~Document#event:dragleave\n * @param {module:clipboard/clipboardobserver~ClipboardEventData} data The event data.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/utils/viewtoplaintext\n */\n\n// Elements which should not have empty-line padding.\n// Most `view.ContainerElement` want to be separate by new-line, but some are creating one structure\n// together (like `<li>`) so it is better to separate them by only one \"\\n\".\nconst smallPaddingElements = [ 'figcaption', 'li' ];\n\n/**\n * Converts {@link module:engine/view/item~Item view item} and all of its children to plain text.\n *\n * @param {module:engine/view/item~Item} viewItem View item to convert.\n * @returns {String} Plain text representation of `viewItem`.\n */\nexport default function viewToPlainText( viewItem ) {\n\tlet text = '';\n\n\tif ( viewItem.is( '$text' ) || viewItem.is( '$textProxy' ) ) {\n\t\t// If item is `Text` or `TextProxy` simple take its text data.\n\t\ttext = viewItem.data;\n\t} else if ( viewItem.is( 'element', 'img' ) && viewItem.hasAttribute( 'alt' ) ) {\n\t\t// Special case for images - use alt attribute if it is provided.\n\t\ttext = viewItem.getAttribute( 'alt' );\n\t} else if ( viewItem.is( 'element', 'br' ) ) {\n\t\t// A soft break should be converted into a single line break (#8045).\n\t\ttext = '\\n';\n\t} else {\n\t\t// Other elements are document fragments, attribute elements or container elements.\n\t\t// They don't have their own text value, so convert their children.\n\t\tlet prev = null;\n\n\t\tfor ( const child of viewItem.getChildren() ) {\n\t\t\tconst childText = viewToPlainText( child );\n\n\t\t\t// Separate container element children with one or more new-line characters.\n\t\t\tif ( prev && ( prev.is( 'containerElement' ) || child.is( 'containerElement' ) ) ) {\n\t\t\t\tif ( smallPaddingElements.includes( prev.name ) || smallPaddingElements.includes( child.name ) ) {\n\t\t\t\t\ttext += '\\n';\n\t\t\t\t} else {\n\t\t\t\t\ttext += '\\n\\n';\n\t\t\t\t}\n\t\t\t}\n\n\t\t\ttext += childText;\n\t\t\tprev = child;\n\t\t}\n\t}\n\n\treturn text;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/clipboardpipeline\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport EventInfo from '@ckeditor/ckeditor5-utils/src/eventinfo';\n\nimport ClipboardObserver from './clipboardobserver';\n\nimport plainTextToHtml from './utils/plaintexttohtml';\nimport normalizeClipboardHtml from './utils/normalizeclipboarddata';\nimport viewToPlainText from './utils/viewtoplaintext.js';\n\n// Input pipeline events overview:\n//\n//              ┌──────────────────────┐          ┌──────────────────────┐\n//              │     view.Document    │          │     view.Document    │\n//              │         paste        │          │         drop         │\n//              └───────────┬──────────┘          └───────────┬──────────┘\n//                          │                                 │\n//                          └────────────────┌────────────────┘\n//                                           │\n//                                 ┌─────────V────────┐\n//                                 │   view.Document  │   Retrieves text/html or text/plain from data.dataTransfer\n//                                 │  clipboardInput  │   and processes it to view.DocumentFragment.\n//                                 └─────────┬────────┘\n//                                           │\n//                               ┌───────────V───────────┐\n//                               │   ClipboardPipeline   │   Converts view.DocumentFragment to model.DocumentFragment.\n//                               │  inputTransformation  │\n//                               └───────────┬───────────┘\n//                                           │\n//                                ┌──────────V──────────┐\n//                                │  ClipboardPipeline  │   Calls model.insertContent().\n//                                │   contentInsertion  │\n//                                └─────────────────────┘\n//\n//\n// Output pipeline events overview:\n//\n//              ┌──────────────────────┐          ┌──────────────────────┐\n//              │     view.Document    │          │     view.Document    │   Retrieves the selected model.DocumentFragment\n//              │         copy         │          │          cut         │   and converts it to view.DocumentFragment.\n//              └───────────┬──────────┘          └───────────┬──────────┘\n//                          │                                 │\n//                          └────────────────┌────────────────┘\n//                                           │\n//                                 ┌─────────V────────┐\n//                                 │   view.Document  │   Processes view.DocumentFragment to text/html and text/plain\n//                                 │  clipboardOutput │   and stores the results in data.dataTransfer.\n//                                 └──────────────────┘\n//\n\n/**\n * The clipboard pipeline feature. It is responsible for intercepting the `paste` and `drop` events and\n * passing the pasted content through a series of events in order to insert it into the editor's content.\n * It also handles the `cut` and `copy` events to fill the native clipboard with the serialized editor's data.\n *\n * # Input pipeline\n *\n * The behavior of the default handlers (all at a `low` priority):\n *\n * ## Event: `paste` or `drop`\n *\n * 1. Translates the event data.\n * 2. Fires the {@link module:engine/view/document~Document#event:clipboardInput `view.Document#clipboardInput`} event.\n *\n * ## Event: `view.Document#clipboardInput`\n *\n * 1. If the `data.content` event field is already set (by some listener on a higher priority), it takes this content and fires the event\n *    from the last point.\n * 2. Otherwise, it retrieves `text/html` or `text/plain` from `data.dataTransfer`.\n * 3. Normalizes the raw data by applying simple filters on string data.\n * 4. Processes the raw data to {@link module:engine/view/documentfragment~DocumentFragment `view.DocumentFragment`} with the\n *    {@link module:engine/controller/datacontroller~DataController#htmlProcessor `DataController#htmlProcessor`}.\n * 5. Fires the {@link module:clipboard/clipboardpipeline~ClipboardPipeline#event:inputTransformation\n *   `ClipboardPipeline#inputTransformation`} event with the view document fragment in the `data.content` event field.\n *\n * ## Event: `ClipboardPipeline#inputTransformation`\n *\n * 1. Converts {@link module:engine/view/documentfragment~DocumentFragment `view.DocumentFragment`} from the `data.content` field to\n *    {@link module:engine/model/documentfragment~DocumentFragment `model.DocumentFragment`}.\n * 2. Fires the {@link module:clipboard/clipboardpipeline~ClipboardPipeline#event:contentInsertion `ClipboardPipeline#contentInsertion`}\n *    event with the model document fragment in the `data.content` event field.\n *    **Note**: The `ClipboardPipeline#contentInsertion` event is fired within a model change block to allow other handlers\n *    to run in the same block without post-fixers called in between (i.e., the selection post-fixer).\n *\n * ## Event: `ClipboardPipeline#contentInsertion`\n *\n * 1. Calls {@link module:engine/model/model~Model#insertContent `model.insertContent()`} to insert `data.content`\n *    at the current selection position.\n *\n * # Output pipeline\n *\n * The behavior of the default handlers (all at a `low` priority):\n *\n * ## Event: `copy`, `cut` or `dragstart`\n *\n * 1. Retrieves the selected {@link module:engine/model/documentfragment~DocumentFragment `model.DocumentFragment`} by calling\n *    {@link module:engine/model/model~Model#getSelectedContent `model#getSelectedContent()`}.\n * 2. Converts the model document fragment to {@link module:engine/view/documentfragment~DocumentFragment `view.DocumentFragment`}.\n * 3. Fires the {@link module:engine/view/document~Document#event:clipboardOutput `view.Document#clipboardOutput`} event\n *    with the view document fragment in the `data.content` event field.\n *\n * ## Event: `view.Document#clipboardOutput`\n *\n * 1. Processes `data.content` to HTML and plain text with the\n *    {@link module:engine/controller/datacontroller~DataController#htmlProcessor `DataController#htmlProcessor`}.\n * 2. Updates the `data.dataTransfer` data for `text/html` and `text/plain` with the processed data.\n * 3. For the `cut` method, calls {@link module:engine/model/model~Model#deleteContent `model.deleteContent()`}\n *    on the current selection.\n *\n * Read more about the clipboard integration in the {@glink framework/guides/deep-dive/clipboard clipboard deep dive guide}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ClipboardPipeline extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ClipboardPipeline';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\n\t\tview.addObserver( ClipboardObserver );\n\n\t\tthis._setupPasteDrop();\n\t\tthis._setupCopyCut();\n\t}\n\n\t/**\n\t * The clipboard paste pipeline.\n\t *\n\t * @private\n\t */\n\t_setupPasteDrop() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// Pasting and dropping is disabled when editor is in the read-only mode.\n\t\t// See: https://github.com/ckeditor/ckeditor5-clipboard/issues/26.\n\t\tthis.listenTo( viewDocument, 'clipboardInput', evt => {\n\t\t\tif ( editor.isReadOnly ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\n\t\tthis.listenTo( viewDocument, 'clipboardInput', ( evt, data ) => {\n\t\t\tconst dataTransfer = data.dataTransfer;\n\t\t\tlet content = data.content || '';\n\n\t\t\t// Some feature could already inject content in the higher priority event handler (i.e., codeBlock).\n\t\t\tif ( !content ) {\n\t\t\t\tif ( dataTransfer.getData( 'text/html' ) ) {\n\t\t\t\t\tcontent = normalizeClipboardHtml( dataTransfer.getData( 'text/html' ) );\n\t\t\t\t} else if ( dataTransfer.getData( 'text/plain' ) ) {\n\t\t\t\t\tcontent = plainTextToHtml( dataTransfer.getData( 'text/plain' ) );\n\t\t\t\t}\n\n\t\t\t\tcontent = this.editor.data.htmlProcessor.toView( content );\n\t\t\t}\n\n\t\t\tconst eventInfo = new EventInfo( this, 'inputTransformation' );\n\n\t\t\tthis.fire( eventInfo, {\n\t\t\t\tcontent,\n\t\t\t\tdataTransfer,\n\t\t\t\ttargetRanges: data.targetRanges,\n\t\t\t\tmethod: data.method\n\t\t\t} );\n\n\t\t\t// If CKEditor handled the input, do not bubble the original event any further.\n\t\t\t// This helps external integrations recognize this fact and act accordingly.\n\t\t\t// https://github.com/ckeditor/ckeditor5-upload/issues/92\n\t\t\tif ( eventInfo.stop.called ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\n\t\tthis.listenTo( this, 'inputTransformation', ( evt, data ) => {\n\t\t\tif ( data.content.isEmpty ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst dataController = this.editor.data;\n\n\t\t\t// Convert the pasted content into a model document fragment.\n\t\t\t// The conversion is contextual, but in this case an \"all allowed\" context is needed\n\t\t\t// and for that we use the $clipboardHolder item.\n\t\t\tconst modelFragment = dataController.toModel( data.content, '$clipboardHolder' );\n\n\t\t\tif ( modelFragment.childCount == 0 ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tevt.stop();\n\n\t\t\t// Fire content insertion event in a single change block to allow other handlers to run in the same block\n\t\t\t// without post-fixers called in between (i.e., the selection post-fixer).\n\t\t\tmodel.change( () => {\n\t\t\t\tthis.fire( 'contentInsertion', {\n\t\t\t\t\tcontent: modelFragment,\n\t\t\t\t\tmethod: data.method,\n\t\t\t\t\tdataTransfer: data.dataTransfer,\n\t\t\t\t\ttargetRanges: data.targetRanges\n\t\t\t\t} );\n\t\t\t} );\n\t\t}, { priority: 'low' } );\n\n\t\tthis.listenTo( this, 'contentInsertion', ( evt, data ) => {\n\t\t\tdata.resultRange = model.insertContent( data.content );\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * The clipboard copy/cut pipeline.\n\t *\n\t * @private\n\t */\n\t_setupCopyCut() {\n\t\tconst editor = this.editor;\n\t\tconst modelDocument = editor.model.document;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\tfunction onCopyCut( evt, data ) {\n\t\t\tconst dataTransfer = data.dataTransfer;\n\n\t\t\tdata.preventDefault();\n\n\t\t\tconst content = editor.data.toView( editor.model.getSelectedContent( modelDocument.selection ) );\n\n\t\t\tviewDocument.fire( 'clipboardOutput', { dataTransfer, content, method: evt.name } );\n\t\t}\n\n\t\tthis.listenTo( viewDocument, 'copy', onCopyCut, { priority: 'low' } );\n\t\tthis.listenTo( viewDocument, 'cut', ( evt, data ) => {\n\t\t\t// Cutting is disabled when editor is in the read-only mode.\n\t\t\t// See: https://github.com/ckeditor/ckeditor5-clipboard/issues/26.\n\t\t\tif ( editor.isReadOnly ) {\n\t\t\t\tdata.preventDefault();\n\t\t\t} else {\n\t\t\t\tonCopyCut( evt, data );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\n\t\tthis.listenTo( viewDocument, 'clipboardOutput', ( evt, data ) => {\n\t\t\tif ( !data.content.isEmpty ) {\n\t\t\t\tdata.dataTransfer.setData( 'text/html', this.editor.data.htmlProcessor.toData( data.content ) );\n\t\t\t\tdata.dataTransfer.setData( 'text/plain', viewToPlainText( data.content ) );\n\t\t\t}\n\n\t\t\tif ( data.method == 'cut' ) {\n\t\t\t\teditor.model.deleteContent( modelDocument.selection );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\t}\n}\n\n/**\n * Fired with the `content`, `dataTransfer`, `method`, and `targetRanges` properties:\n *\n * * The `content` which comes from the clipboard (it was pasted or dropped) should be processed in order to be inserted into the editor.\n * * The `dataTransfer` object is available in case the transformation functions need access to the raw clipboard data.\n * * The `method` indicates the original DOM event (for example `'drop'` or `'paste'`).\n * * The `targetRanges` property is an array of view ranges (it is available only for `'drop'`).\n *\n * It is a part of the {@glink framework/guides/deep-dive/clipboard#input-pipeline clipboard input pipeline}.\n *\n * **Note**: You should not stop this event if you want to change the input data. You should modify the `content` property instead.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @see module:clipboard/clipboardpipeline~ClipboardPipeline\n * @event module:clipboard/clipboardpipeline~ClipboardPipeline#event:inputTransformation\n * @param {Object} data The event data.\n * @param {module:engine/view/documentfragment~DocumentFragment} data.content The event data. The content to be inserted into the editor.\n * It can be modified by event listeners. Read more about the clipboard pipelines in\n * the {@glink framework/guides/deep-dive/clipboard clipboard deep dive guide}.\n * @param {module:clipboard/datatransfer~DataTransfer} data.dataTransfer The data transfer instance.\n * @param {'paste'|'drop'} data.method Whether the event was triggered by a paste or drop operation.\n * @param {Array.<module:engine/view/range~Range>} data.targetRanges The target drop ranges.\n */\n\n/**\n * Fired with the `content`, `dataTransfer`, `method`, and `targetRanges` properties:\n *\n * * The `content` which comes from the clipboard (was pasted or dropped) should be processed in order to be inserted into the editor.\n * * The `dataTransfer` object is available in case the transformation functions need access to the raw clipboard data.\n * * The `method` indicates the original DOM event (for example `'drop'` or `'paste'`).\n * * The `targetRanges` property is an array of view ranges (it is available only for `'drop'`).\n *\n * Event handlers can modify the content according to the final insertion position.\n *\n * It is a part of the {@glink framework/guides/deep-dive/clipboard#input-pipeline clipboard input pipeline}.\n *\n * **Note**: You should not stop this event if you want to change the input data. You should modify the `content` property instead.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @see module:clipboard/clipboardpipeline~ClipboardPipeline\n * @see module:clipboard/clipboardpipeline~ClipboardPipeline#event:inputTransformation\n * @event module:clipboard/clipboardpipeline~ClipboardPipeline#event:contentInsertion\n * @param {Object} data The event data.\n * @param {module:engine/model/documentfragment~DocumentFragment} data.content The event data. The content to be inserted into the editor.\n * Read more about the clipboard pipelines in the {@glink framework/guides/deep-dive/clipboard clipboard deep dive guide}.\n * @param {module:clipboard/datatransfer~DataTransfer} data.dataTransfer The data transfer instance.\n * @param {'paste'|'drop'} data.method Whether the event was triggered by a paste or drop operation.\n * @param {Array.<module:engine/view/range~Range>} data.targetRanges The target drop ranges.\n * @param {module:engine/model/range~Range} data.resultRange The result of the `model.insertContent()` call\n *  (inserted by the event handler at a low priority).\n */\n\n/**\n * Fired on {@link module:engine/view/document~Document#event:copy} and {@link module:engine/view/document~Document#event:cut}\n * with a copy of the selected content. The content can be processed before it ends up in the clipboard.\n *\n * It is a part of the {@glink framework/guides/deep-dive/clipboard#output-pipeline clipboard output pipeline}.\n *\n * @see module:clipboard/clipboardobserver~ClipboardObserver\n * @see module:clipboard/clipboardpipeline~ClipboardPipeline\n * @event module:engine/view/document~Document#event:clipboardOutput\n * @param {module:clipboard/clipboardpipeline~ClipboardOutputEventData} data The event data.\n */\n\n/**\n * The value of the {@link module:engine/view/document~Document#event:clipboardOutput} event.\n *\n * @class module:clipboard/clipboardpipeline~ClipboardOutputEventData\n */\n\n/**\n * The data transfer instance.\n *\n * @readonly\n * @member {module:clipboard/datatransfer~DataTransfer} module:clipboard/clipboardpipeline~ClipboardOutputEventData#dataTransfer\n */\n\n/**\n * Content to be put into the clipboard. It can be modified by the event listeners.\n * Read more about the clipboard pipelines in the {@glink framework/guides/deep-dive/clipboard clipboard deep dive guide}.\n *\n * @member {module:engine/view/documentfragment~DocumentFragment} module:clipboard/clipboardpipeline~ClipboardOutputEventData#content\n */\n\n/**\n * Whether the event was triggered by a copy or cut operation.\n *\n * @member {'copy'|'cut'} module:clipboard/clipboardpipeline~ClipboardOutputEventData#method\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/utils/plaintexttohtml\n */\n\n/**\n * Converts plain text to its HTML-ized version.\n *\n * @param {String} text The plain text to convert.\n * @returns {String} HTML generated from the plain text.\n */\nexport default function plainTextToHtml( text ) {\n\ttext = text\n\t\t// Encode <>.\n\t\t.replace( /</g, '&lt;' )\n\t\t.replace( />/g, '&gt;' )\n\t\t// Creates a paragraph for each double line break.\n\t\t.replace( /\\r?\\n\\r?\\n/g, '</p><p>' )\n\t\t// Creates a line break for each single line break.\n\t\t.replace( /\\r?\\n/g, '<br>' )\n\t\t// Preserve trailing spaces (only the first and last one – the rest is handled below).\n\t\t.replace( /^\\s/, '&nbsp;' )\n\t\t.replace( /\\s$/, '&nbsp;' )\n\t\t// Preserve other subsequent spaces now.\n\t\t.replace( /\\s\\s/g, ' &nbsp;' );\n\n\tif ( text.includes( '</p><p>' ) || text.includes( '<br>' ) ) {\n\t\t// If we created paragraphs above, add the trailing ones.\n\t\ttext = `<p>${ text }</p>`;\n\t}\n\n\t// TODO:\n\t// * What about '\\nfoo' vs ' foo'?\n\n\treturn text;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/utils/normalizeclipboarddata\n */\n\n/**\n * Removes some popular browser quirks out of the clipboard data (HTML).\n * Removes all HTML comments. These are considered an internal thing and it makes little sense if they leak into the editor data.\n *\n * @param {String} data The HTML data to normalize.\n * @returns {String} Normalized HTML.\n */\nexport default function normalizeClipboardData( data ) {\n\treturn data\n\t\t.replace( /<span(?: class=\"Apple-converted-space\"|)>(\\s+)<\\/span>/g, ( fullMatch, spaces ) => {\n\t\t\t// Handle the most popular and problematic case when even a single space becomes an nbsp;.\n\t\t\t// Decode those to normal spaces. Read more in https://github.com/ckeditor/ckeditor5-clipboard/issues/2.\n\t\t\tif ( spaces.length == 1 ) {\n\t\t\t\treturn ' ';\n\t\t\t}\n\n\t\t\treturn spaces;\n\t\t} )\n\t\t// Remove all HTML comments.\n\t\t.replace( /<!--[\\s\\S]*?-->/g, '' );\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./clipboard.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./clipboard.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/dragdrop\n */\n\n/* globals setTimeout, clearTimeout */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport LiveRange from '@ckeditor/ckeditor5-engine/src/model/liverange';\nimport MouseObserver from '@ckeditor/ckeditor5-engine/src/view/observer/mouseobserver';\nimport Widget from '@ckeditor/ckeditor5-widget/src/widget';\nimport uid from '@ckeditor/ckeditor5-utils/src/uid';\nimport env from '@ckeditor/ckeditor5-utils/src/env';\nimport { isWidget } from '@ckeditor/ckeditor5-widget/src/utils';\n\nimport ClipboardPipeline from './clipboardpipeline';\nimport ClipboardObserver from './clipboardobserver';\n\nimport { throttle } from 'lodash-es';\n\nimport '../theme/clipboard.css';\n\n// Drag and drop events overview:\n//\n//                ┌──────────────────┐\n//                │     mousedown    │   Sets the draggable attribute.\n//                └─────────┬────────┘\n//                          │\n//                          └─────────────────────┐\n//                          │                     │\n//                          │           ┌─────────V────────┐\n//                          │           │      mouseup     │   Dragging did not start, removes the draggable attribute.\n//                          │           └──────────────────┘\n//                          │\n//                ┌─────────V────────┐   Retrieves the selected model.DocumentFragment\n//                │     dragstart    │   and converts it to view.DocumentFragment.\n//                └─────────┬────────┘\n//                          │\n//                ┌─────────V────────┐   Processes view.DocumentFragment to text/html and text/plain\n//                │  clipboardOutput │   and stores the results in data.dataTransfer.\n//                └─────────┬────────┘\n//                          │\n//                          │   DOM dragover\n//                          ┌────────────┐\n//                          │            │\n//                ┌─────────V────────┐   │\n//                │     dragging     │   │   Updates the drop target marker.\n//                └─────────┬────────┘   │\n//                          │            │\n//            ┌─────────────└────────────┘\n//            │             │            │\n//            │   ┌─────────V────────┐   │\n//            │   │     dragleave    │   │   Removes the drop target marker.\n//            │   └─────────┬────────┘   │\n//            │             │            │\n//        ┌───│─────────────┘            │\n//        │   │             │            │\n//        │   │   ┌─────────V────────┐   │\n//        │   │   │     dragenter    │   │   Focuses the editor view.\n//        │   │   └─────────┬────────┘   │\n//        │   │             │            │\n//        │   │             └────────────┘\n//        │   │\n//        │   └─────────────┐\n//        │   │             │\n//        │   │   ┌─────────V────────┐\n//        └───┐   │       drop       │   (The default handler of the clipboard pipeline).\n//            │   └─────────┬────────┘\n//            │             │\n//            │   ┌─────────V────────┐   Resolves the final data.targetRanges.\n//            │   │  clipboardInput  │   Aborts if dropping on dragged content.\n//            │   └─────────┬────────┘\n//            │             │\n//            │   ┌─────────V────────┐\n//            │   │  clipboardInput  │   (The default handler of the clipboard pipeline).\n//            │   └─────────┬────────┘\n//            │             │\n//            │ ┌───────────V───────────┐\n//            │ │  inputTransformation  │   (The default handler of the clipboard pipeline).\n//            │ └───────────┬───────────┘\n//            │             │\n//            │  ┌──────────V──────────┐\n//            │  │   contentInsertion  │   Updates the document selection to drop range.\n//            │  └──────────┬──────────┘\n//            │             │\n//            │  ┌──────────V──────────┐\n//            │  │   contentInsertion  │   (The default handler of the clipboard pipeline).\n//            │  └──────────┬──────────┘\n//            │             │\n//            │  ┌──────────V──────────┐\n//            │  │   contentInsertion  │   Removes the content from the original range if the insertion was successful.\n//            │  └──────────┬──────────┘\n//            │             │\n//            └─────────────┐\n//                          │\n//                ┌─────────V────────┐\n//                │      dragend     │   Removes the drop marker and cleans the state.\n//                └──────────────────┘\n//\n\n/**\n * The drag and drop feature. It works on top of the {@link module:clipboard/clipboardpipeline~ClipboardPipeline}.\n *\n * Read more about the clipboard integration in the {@glink framework/guides/deep-dive/clipboard clipboard deep dive guide}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class DragDrop extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'DragDrop';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ClipboardPipeline, Widget ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\n\t\t/**\n\t\t * The live range over the original content that is being dragged.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/liverange~LiveRange}\n\t\t */\n\t\tthis._draggedRange = null;\n\n\t\t/**\n\t\t * The UID of current dragging that is used to verify if the drop started in the same editor as the drag start.\n\t\t *\n\t\t * **Note**: This is a workaround for broken 'dragend' events (they are not fired if the source text node got removed).\n\t\t *\n\t\t * @private\n\t\t * @type {String}\n\t\t */\n\t\tthis._draggingUid = '';\n\n\t\t/**\n\t\t * The reference to the model element that currently has a `draggable` attribute set (it is set while dragging).\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/model/element~Element}\n\t\t */\n\t\tthis._draggableElement = null;\n\n\t\t/**\n\t\t * A throttled callback updating the drop marker.\n\t\t *\n\t\t * @private\n\t\t * @type {Function}\n\t\t */\n\t\tthis._updateDropMarkerThrottled = throttle( targetRange => this._updateDropMarker( targetRange ), 40 );\n\n\t\t/**\n\t\t * A delayed callback removing the drop marker.\n\t\t *\n\t\t * @private\n\t\t * @type {Function}\n\t\t */\n\t\tthis._removeDropMarkerDelayed = delay( () => this._removeDropMarker(), 40 );\n\n\t\t/**\n\t\t * A delayed callback removing draggable attributes.\n\t\t *\n\t\t * @private\n\t\t * @type {Function}\n\t\t */\n\t\tthis._clearDraggableAttributesDelayed = delay( () => this._clearDraggableAttributes(), 40 );\n\n\t\tview.addObserver( ClipboardObserver );\n\t\tview.addObserver( MouseObserver );\n\n\t\tthis._setupDragging();\n\t\tthis._setupContentInsertionIntegration();\n\t\tthis._setupClipboardInputIntegration();\n\t\tthis._setupDropMarker();\n\t\tthis._setupDraggableAttributeHandling();\n\n\t\tthis.listenTo( editor, 'change:isReadOnly', ( evt, name, isReadOnly ) => {\n\t\t\tif ( isReadOnly ) {\n\t\t\t\tthis.forceDisabled( 'readOnlyMode' );\n\t\t\t} else {\n\t\t\t\tthis.clearForceDisabled( 'readOnlyMode' );\n\t\t\t}\n\t\t} );\n\n\t\tthis.on( 'change:isEnabled', ( evt, name, isEnabled ) => {\n\t\t\tif ( !isEnabled ) {\n\t\t\t\tthis._finalizeDragging( false );\n\t\t\t}\n\t\t} );\n\n\t\tif ( env.isAndroid ) {\n\t\t\tthis.forceDisabled( 'noAndroidSupport' );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tif ( this._draggedRange ) {\n\t\t\tthis._draggedRange.detach();\n\t\t\tthis._draggedRange = null;\n\t\t}\n\n\t\tthis._updateDropMarkerThrottled.cancel();\n\t\tthis._removeDropMarkerDelayed.cancel();\n\t\tthis._clearDraggableAttributesDelayed.cancel();\n\n\t\treturn super.destroy();\n\t}\n\n\t/**\n\t * Drag and drop events handling.\n\t *\n\t * @private\n\t */\n\t_setupDragging() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst modelDocument = model.document;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// The handler for the drag start; it is responsible for setting data transfer object.\n\t\tthis.listenTo( viewDocument, 'dragstart', ( evt, data ) => {\n\t\t\tconst selection = modelDocument.selection;\n\n\t\t\t// Don't drag the editable element itself.\n\t\t\tif ( data.target && data.target.is( 'editableElement' ) ) {\n\t\t\t\tdata.preventDefault();\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// TODO we could clone this node somewhere and style it to match editing view but without handles,\n\t\t\t//  selection outline, WTA buttons, etc.\n\t\t\t// data.dataTransfer._native.setDragImage( data.domTarget, 0, 0 );\n\n\t\t\t// Check if this is dragstart over the widget (but not a nested editable).\n\t\t\tconst draggableWidget = data.target ? findDraggableWidget( data.target ) : null;\n\n\t\t\tif ( draggableWidget ) {\n\t\t\t\tconst modelElement = editor.editing.mapper.toModelElement( draggableWidget );\n\n\t\t\t\tthis._draggedRange = LiveRange.fromRange( model.createRangeOn( modelElement ) );\n\n\t\t\t\t// Disable toolbars so they won't obscure the drop area.\n\t\t\t\tif ( editor.plugins.has( 'WidgetToolbarRepository' ) ) {\n\t\t\t\t\teditor.plugins.get( 'WidgetToolbarRepository' ).forceDisabled( 'dragDrop' );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If this was not a widget we should check if we need to drag some text content.\n\t\t\telse if ( !viewDocument.selection.isCollapsed ) {\n\t\t\t\tconst selectedElement = viewDocument.selection.getSelectedElement();\n\n\t\t\t\tif ( !selectedElement || !isWidget( selectedElement ) ) {\n\t\t\t\t\tthis._draggedRange = LiveRange.fromRange( selection.getFirstRange() );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( !this._draggedRange ) {\n\t\t\t\tdata.preventDefault();\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._draggingUid = uid();\n\n\t\t\tdata.dataTransfer.effectAllowed = this.isEnabled ? 'copyMove' : 'copy';\n\t\t\tdata.dataTransfer.setData( 'application/ckeditor5-dragging-uid', this._draggingUid );\n\n\t\t\tconst draggedSelection = model.createSelection( this._draggedRange.toRange() );\n\t\t\tconst content = editor.data.toView( model.getSelectedContent( draggedSelection ) );\n\n\t\t\tviewDocument.fire( 'clipboardOutput', { dataTransfer: data.dataTransfer, content, method: evt.name } );\n\n\t\t\tif ( !this.isEnabled ) {\n\t\t\t\tthis._draggedRange.detach();\n\t\t\t\tthis._draggedRange = null;\n\t\t\t\tthis._draggingUid = '';\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\n\t\t// The handler for finalizing drag and drop. It should always be triggered after dragging completes\n\t\t// even if it was completed in a different application.\n\t\t// Note: This is not fired if source text node got removed while downcasting a marker.\n\t\tthis.listenTo( viewDocument, 'dragend', ( evt, data ) => {\n\t\t\tthis._finalizeDragging( !data.dataTransfer.isCanceled && data.dataTransfer.dropEffect == 'move' );\n\t\t}, { priority: 'low' } );\n\n\t\t// Dragging over the editable.\n\t\tthis.listenTo( viewDocument, 'dragenter', () => {\n\t\t\tif ( !this.isEnabled ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tview.focus();\n\t\t} );\n\n\t\t// Dragging out of the editable.\n\t\tthis.listenTo( viewDocument, 'dragleave', () => {\n\t\t\t// We do not know if the mouse left the editor or just some element in it, so let us wait a few milliseconds\n\t\t\t// to check if 'dragover' is not fired.\n\t\t\tthis._removeDropMarkerDelayed();\n\t\t} );\n\n\t\t// Handler for moving dragged content over the target area.\n\t\tthis.listenTo( viewDocument, 'dragging', ( evt, data ) => {\n\t\t\tif ( !this.isEnabled ) {\n\t\t\t\tdata.dataTransfer.dropEffect = 'none';\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._removeDropMarkerDelayed.cancel();\n\n\t\t\tconst targetRange = findDropTargetRange( editor, data.targetRanges, data.target );\n\n\t\t\t// If this is content being dragged from another editor, moving out of current editor instance\n\t\t\t// is not possible until 'dragend' event case will be fixed.\n\t\t\tif ( !this._draggedRange ) {\n\t\t\t\tdata.dataTransfer.dropEffect = 'copy';\n\t\t\t}\n\n\t\t\t// In Firefox it is already set and effect allowed remains the same as originally set.\n\t\t\tif ( !env.isGecko ) {\n\t\t\t\tif ( data.dataTransfer.effectAllowed == 'copy' ) {\n\t\t\t\t\tdata.dataTransfer.dropEffect = 'copy';\n\t\t\t\t} else if ( [ 'all', 'copyMove' ].includes( data.dataTransfer.effectAllowed ) ) {\n\t\t\t\t\tdata.dataTransfer.dropEffect = 'move';\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t/* istanbul ignore else */\n\t\t\tif ( targetRange ) {\n\t\t\t\tthis._updateDropMarkerThrottled( targetRange );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * Integration with the `clipboardInput` event.\n\t *\n\t * @private\n\t */\n\t_setupClipboardInputIntegration() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// Update the event target ranges and abort dropping if dropping over itself.\n\t\tthis.listenTo( viewDocument, 'clipboardInput', ( evt, data ) => {\n\t\t\tif ( data.method != 'drop' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst targetRange = findDropTargetRange( editor, data.targetRanges, data.target );\n\n\t\t\t// The dragging markers must be removed after searching for the target range because sometimes\n\t\t\t// the target lands on the marker itself.\n\t\t\tthis._removeDropMarker();\n\n\t\t\t/* istanbul ignore if */\n\t\t\tif ( !targetRange ) {\n\t\t\t\tthis._finalizeDragging( false );\n\t\t\t\tevt.stop();\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Since we cannot rely on the drag end event, we must check if the local drag range is from the current drag and drop\n\t\t\t// or it is from some previous not cleared one.\n\t\t\tif ( this._draggedRange && this._draggingUid != data.dataTransfer.getData( 'application/ckeditor5-dragging-uid' ) ) {\n\t\t\t\tthis._draggedRange.detach();\n\t\t\t\tthis._draggedRange = null;\n\t\t\t\tthis._draggingUid = '';\n\t\t\t}\n\n\t\t\t// Do not do anything if some content was dragged within the same document to the same position.\n\t\t\tconst isMove = getFinalDropEffect( data.dataTransfer ) == 'move';\n\n\t\t\tif ( isMove && this._draggedRange && this._draggedRange.containsRange( targetRange, true ) ) {\n\t\t\t\tthis._finalizeDragging( false );\n\t\t\t\tevt.stop();\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Override the target ranges with the one adjusted to the best one for a drop.\n\t\t\tdata.targetRanges = [ editor.editing.mapper.toViewRange( targetRange ) ];\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * Integration with the `contentInsertion` event of the clipboard pipeline.\n\t *\n\t * @private\n\t */\n\t_setupContentInsertionIntegration() {\n\t\tconst clipboardPipeline = this.editor.plugins.get( ClipboardPipeline );\n\n\t\tclipboardPipeline.on( 'contentInsertion', ( evt, data ) => {\n\t\t\tif ( !this.isEnabled || data.method !== 'drop' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Update the selection to the target range in the same change block to avoid selection post-fixing\n\t\t\t// and to be able to clone text attributes for plain text dropping.\n\t\t\tconst ranges = data.targetRanges.map( viewRange => this.editor.editing.mapper.toModelRange( viewRange ) );\n\n\t\t\tthis.editor.model.change( writer => writer.setSelection( ranges ) );\n\t\t}, { priority: 'high' } );\n\n\t\tclipboardPipeline.on( 'contentInsertion', ( evt, data ) => {\n\t\t\tif ( !this.isEnabled || data.method !== 'drop' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Remove dragged range content, remove markers, clean after dragging.\n\t\t\tconst isMove = getFinalDropEffect( data.dataTransfer ) == 'move';\n\n\t\t\t// Whether any content was inserted (insertion might fail if the schema is disallowing some elements\n\t\t\t// (for example an image caption allows only the content of a block but not blocks themselves.\n\t\t\t// Some integrations might not return valid range (i.e., table pasting).\n\t\t\tconst isSuccess = !data.resultRange || !data.resultRange.isCollapsed;\n\n\t\t\tthis._finalizeDragging( isSuccess && isMove );\n\t\t}, { priority: 'lowest' } );\n\t}\n\n\t/**\n\t * Adds listeners that add the `draggable` attribute to the elements while the mouse button is down so the dragging could start.\n\t *\n\t * @private\n\t */\n\t_setupDraggableAttributeHandling() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// Add the 'draggable' attribute to the widget while pressing the selection handle.\n\t\t// This is required for widgets to be draggable. In Chrome it will enable dragging text nodes.\n\t\tthis.listenTo( viewDocument, 'mousedown', ( evt, data ) => {\n\t\t\t// The lack of data can be caused by editor tests firing fake mouse events. This should not occur\n\t\t\t// in real-life scenarios but this greatly simplifies editor tests that would otherwise fail a lot.\n\t\t\tif ( env.isAndroid || !data ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._clearDraggableAttributesDelayed.cancel();\n\n\t\t\t// Check if this is a mousedown over the widget (but not a nested editable).\n\t\t\tlet draggableElement = findDraggableWidget( data.target );\n\n\t\t\t// Note: There is a limitation that if more than a widget is selected (a widget and some text)\n\t\t\t// and dragging starts on the widget, then only the widget is dragged.\n\n\t\t\t// If this was not a widget then we should check if we need to drag some text content.\n\t\t\t// In Chrome set a 'draggable' attribute on closest editable to allow immediate dragging of the selected text range.\n\t\t\t// In Firefox this is not needed. In Safari it makes the whole editable draggable (not just textual content).\n\t\t\t// Disabled in read-only mode because draggable=\"true\" + contenteditable=\"false\" results\n\t\t\t// in not firing selectionchange event ever, which makes the selection stuck in read-only mode.\n\t\t\tif ( env.isBlink && !editor.isReadOnly && !draggableElement && !viewDocument.selection.isCollapsed ) {\n\t\t\t\tconst selectedElement = viewDocument.selection.getSelectedElement();\n\n\t\t\t\tif ( !selectedElement || !isWidget( selectedElement ) ) {\n\t\t\t\t\tdraggableElement = viewDocument.selection.editableElement;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( draggableElement ) {\n\t\t\t\tview.change( writer => {\n\t\t\t\t\twriter.setAttribute( 'draggable', 'true', draggableElement );\n\t\t\t\t} );\n\n\t\t\t\t// Keep the reference to the model element in case the view element gets removed while dragging.\n\t\t\t\tthis._draggableElement = editor.editing.mapper.toModelElement( draggableElement );\n\t\t\t}\n\t\t} );\n\n\t\t// Remove the draggable attribute in case no dragging started (only mousedown + mouseup).\n\t\tthis.listenTo( viewDocument, 'mouseup', () => {\n\t\t\tif ( !env.isAndroid ) {\n\t\t\t\tthis._clearDraggableAttributesDelayed();\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Removes the `draggable` attribute from the element that was used for dragging.\n\t *\n\t * @private\n\t */\n\t_clearDraggableAttributes() {\n\t\tconst editing = this.editor.editing;\n\n\t\tediting.view.change( writer => {\n\t\t\t// Remove 'draggable' attribute.\n\t\t\tif ( this._draggableElement && this._draggableElement.root.rootName != '$graveyard' ) {\n\t\t\t\twriter.removeAttribute( 'draggable', editing.mapper.toViewElement( this._draggableElement ) );\n\t\t\t}\n\n\t\t\tthis._draggableElement = null;\n\t\t} );\n\t}\n\n\t/**\n\t * Creates downcast conversion for the drop target marker.\n\t *\n\t * @private\n\t */\n\t_setupDropMarker() {\n\t\tconst editor = this.editor;\n\n\t\t// Drop marker conversion for hovering over widgets.\n\t\teditor.conversion.for( 'editingDowncast' ).markerToHighlight( {\n\t\t\tmodel: 'drop-target',\n\t\t\tview: {\n\t\t\t\tclasses: [ 'ck-clipboard-drop-target-range' ]\n\t\t\t}\n\t\t} );\n\n\t\t// Drop marker conversion for in text drop target.\n\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t\t\tmodel: 'drop-target',\n\t\t\tview: ( data, { writer } ) => {\n\t\t\t\tconst inText = editor.model.schema.checkChild( data.markerRange.start, '$text' );\n\n\t\t\t\tif ( !inText ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\treturn writer.createUIElement( 'span', { class: 'ck ck-clipboard-drop-target-position' }, function( domDocument ) {\n\t\t\t\t\tconst domElement = this.toDomElement( domDocument );\n\n\t\t\t\t\t// Using word joiner to make this marker as high as text and also making text not break on marker.\n\t\t\t\t\tdomElement.innerHTML = '&NoBreak;<span></span>&NoBreak;';\n\n\t\t\t\t\treturn domElement;\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Updates the drop target marker to the provided range.\n\t *\n\t * @private\n\t * @param {module:engine/model/range~Range} targetRange The range to set the marker to.\n\t */\n\t_updateDropMarker( targetRange ) {\n\t\tconst editor = this.editor;\n\t\tconst markers = editor.model.markers;\n\n\t\teditor.model.change( writer => {\n\t\t\tif ( markers.has( 'drop-target' ) ) {\n\t\t\t\tif ( !markers.get( 'drop-target' ).getRange().isEqual( targetRange ) ) {\n\t\t\t\t\twriter.updateMarker( 'drop-target', { range: targetRange } );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\twriter.addMarker( 'drop-target', {\n\t\t\t\t\trange: targetRange,\n\t\t\t\t\tusingOperation: false,\n\t\t\t\t\taffectsData: false\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Removes the drop target marker.\n\t *\n\t * @private\n\t */\n\t_removeDropMarker() {\n\t\tconst model = this.editor.model;\n\n\t\tthis._removeDropMarkerDelayed.cancel();\n\t\tthis._updateDropMarkerThrottled.cancel();\n\n\t\tif ( model.markers.has( 'drop-target' ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.removeMarker( 'drop-target' );\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Deletes the dragged content from its original range and clears the dragging state.\n\t *\n\t * @private\n\t * @param {Boolean} moved Whether the move succeeded.\n\t */\n\t_finalizeDragging( moved ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\tthis._removeDropMarker();\n\t\tthis._clearDraggableAttributes();\n\n\t\tif ( editor.plugins.has( 'WidgetToolbarRepository' ) ) {\n\t\t\teditor.plugins.get( 'WidgetToolbarRepository' ).clearForceDisabled( 'dragDrop' );\n\t\t}\n\n\t\tthis._draggingUid = '';\n\n\t\tif ( !this._draggedRange ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Delete moved content.\n\t\tif ( moved && this.isEnabled ) {\n\t\t\tmodel.deleteContent( model.createSelection( this._draggedRange ), { doNotAutoparagraph: true } );\n\t\t}\n\n\t\tthis._draggedRange.detach();\n\t\tthis._draggedRange = null;\n\t}\n}\n\n// Returns fixed selection range for given position and target element.\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {Array.<module:engine/view/range~Range>} targetViewRanges\n// @param {module:engine/view/element~Element} targetViewElement\n// @returns {module:engine/model/range~Range|null}\nfunction findDropTargetRange( editor, targetViewRanges, targetViewElement ) {\n\tconst model = editor.model;\n\tconst mapper = editor.editing.mapper;\n\n\tlet range = null;\n\n\tconst targetViewPosition = targetViewRanges ? targetViewRanges[ 0 ].start : null;\n\n\t// A UIElement is not a valid drop element, use parent (this could be a drop marker or any other UIElement).\n\tif ( targetViewElement.is( 'uiElement' ) ) {\n\t\ttargetViewElement = targetViewElement.parent;\n\t}\n\n\t// Quick win if the target is a widget (but not a nested editable).\n\trange = findDropTargetRangeOnWidget( editor, targetViewElement );\n\n\tif ( range ) {\n\t\treturn range;\n\t}\n\n\t// The easiest part is over, now we need to move to the model space.\n\n\t// Find target model element and position.\n\tconst targetModelElement = getClosestMappedModelElement( editor, targetViewElement );\n\tconst targetModelPosition = targetViewPosition ? mapper.toModelPosition( targetViewPosition ) : null;\n\n\t// There is no target position while hovering over an empty table cell.\n\t// In Safari, target position can be empty while hovering over a widget (e.g., a page-break).\n\t// Find the drop position inside the element.\n\tif ( !targetModelPosition ) {\n\t\treturn findDropTargetRangeInElement( editor, targetModelElement );\n\t}\n\n\t// Check if target position is between blocks and adjust drop position to the next object.\n\t// This is because while hovering over a root element next to a widget the target position can jump in crazy places.\n\trange = findDropTargetRangeBetweenBlocks( editor, targetModelPosition, targetModelElement );\n\n\tif ( range ) {\n\t\treturn range;\n\t}\n\n\t// Try fixing selection position.\n\t// In Firefox, the target position lands before widgets but in other browsers it tends to land after a widget.\n\trange = model.schema.getNearestSelectionRange( targetModelPosition, env.isGecko ? 'forward' : 'backward' );\n\n\tif ( range ) {\n\t\treturn range;\n\t}\n\n\t// There is no valid selection position inside the current limit element so find a closest object ancestor.\n\t// This happens if the model position lands directly in the <table> element itself (view target element was a `<td>`\n\t// so a nested editable, but view target position was directly in the `<figure>` element).\n\treturn findDropTargetRangeOnAncestorObject( editor, targetModelPosition.parent );\n}\n\n// Returns fixed selection range for a given position and a target element if it is over the widget but not over its nested editable.\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {module:engine/view/element~Element} targetViewElement\n// @returns {module:engine/model/range~Range|null}\nfunction findDropTargetRangeOnWidget( editor, targetViewElement ) {\n\tconst model = editor.model;\n\tconst mapper = editor.editing.mapper;\n\n\t// Quick win if the target is a widget.\n\tif ( isWidget( targetViewElement ) ) {\n\t\treturn model.createRangeOn( mapper.toModelElement( targetViewElement ) );\n\t}\n\n\t// Check if we are deeper over a widget (but not over a nested editable).\n\tif ( !targetViewElement.is( 'editableElement' ) ) {\n\t\t// Find a closest ancestor that is either a widget or an editable element...\n\t\tconst ancestor = targetViewElement.findAncestor( node => isWidget( node ) || node.is( 'editableElement' ) );\n\n\t\t// ...and if the widget was closer then it is a drop target.\n\t\tif ( isWidget( ancestor ) ) {\n\t\t\treturn model.createRangeOn( mapper.toModelElement( ancestor ) );\n\t\t}\n\t}\n\n\treturn null;\n}\n\n// Returns fixed selection range inside a model element.\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {module:engine/model/element~Element} targetModelElement\n// @returns {module:engine/model/range~Range}\nfunction findDropTargetRangeInElement( editor, targetModelElement ) {\n\tconst model = editor.model;\n\tconst schema = model.schema;\n\n\tconst positionAtElementStart = model.createPositionAt( targetModelElement, 0 );\n\n\treturn schema.getNearestSelectionRange( positionAtElementStart, 'forward' );\n}\n\n// Returns fixed selection range for a given position and a target element if the drop is between blocks.\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {module:engine/model/position~Position} targetModelPosition\n// @param {module:engine/model/element~Element} targetModelElement\n// @returns {module:engine/model/range~Range|null}\nfunction findDropTargetRangeBetweenBlocks( editor, targetModelPosition, targetModelElement ) {\n\tconst model = editor.model;\n\n\t// Check if target is between blocks.\n\tif ( !model.schema.checkChild( targetModelElement, '$block' ) ) {\n\t\treturn null;\n\t}\n\n\t// Find position between blocks.\n\tconst positionAtElementStart = model.createPositionAt( targetModelElement, 0 );\n\n\t// Get the common part of the path (inside the target element and the target position).\n\tconst commonPath = targetModelPosition.path.slice( 0, positionAtElementStart.path.length );\n\n\t// Position between the blocks.\n\tconst betweenBlocksPosition = model.createPositionFromPath( targetModelPosition.root, commonPath );\n\tconst nodeAfter = betweenBlocksPosition.nodeAfter;\n\n\t// Adjust drop position to the next object.\n\t// This is because while hovering over a root element next to a widget the target position can jump in crazy places.\n\tif ( nodeAfter && model.schema.isObject( nodeAfter ) ) {\n\t\treturn model.createRangeOn( nodeAfter );\n\t}\n\n\treturn null;\n}\n\n// Returns a selection range on the ancestor object.\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {module:engine/model/element~Element} element\n// @returns {module:engine/model/range~Range}\nfunction findDropTargetRangeOnAncestorObject( editor, element ) {\n\tconst model = editor.model;\n\n\twhile ( element ) {\n\t\tif ( model.schema.isObject( element ) ) {\n\t\t\treturn model.createRangeOn( element );\n\t\t}\n\n\t\telement = element.parent;\n\t}\n}\n\n// Returns the closest model element for the specified view element.\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {module:engine/view/element~Element} element\n// @returns {module:engine/model/element~Element}\nfunction getClosestMappedModelElement( editor, element ) {\n\tconst mapper = editor.editing.mapper;\n\tconst view = editor.editing.view;\n\n\tconst targetModelElement = mapper.toModelElement( element );\n\n\tif ( targetModelElement ) {\n\t\treturn targetModelElement;\n\t}\n\n\t// Find mapped ancestor if the target is inside not mapped element (for example inline code element).\n\tconst viewPosition = view.createPositionBefore( element );\n\tconst viewElement = mapper.findMappedViewAncestor( viewPosition );\n\n\treturn mapper.toModelElement( viewElement );\n}\n\n// Returns the drop effect that should be a result of dragging the content.\n// This function is handling a quirk when checking the effect in the 'drop' DOM event.\nfunction getFinalDropEffect( dataTransfer ) {\n\tif ( env.isGecko ) {\n\t\treturn dataTransfer.dropEffect;\n\t}\n\n\treturn [ 'all', 'copyMove' ].includes( dataTransfer.effectAllowed ) ? 'move' : 'copy';\n}\n\n// Returns a function wrapper that will trigger a function after a specified wait time.\n// The timeout can be canceled by calling the cancel function on the returned wrapped function.\n//\n// @param {Function} func The function to wrap.\n// @param {Number} wait The timeout in ms.\n// @returns {Function}\nfunction delay( func, wait ) {\n\tlet timer;\n\n\tfunction delayed( ...args ) {\n\t\tdelayed.cancel();\n\t\ttimer = setTimeout( () => func( ...args ), wait );\n\t}\n\n\tdelayed.cancel = () => {\n\t\tclearTimeout( timer );\n\t};\n\n\treturn delayed;\n}\n\n// Returns a widget element that should be dragged.\n//\n// @param {module:engine/view/element~Element} target\n// @returns {module:engine/view/element~Element}\nfunction findDraggableWidget( target ) {\n\t// This is directly an editable so not a widget for sure.\n\tif ( target.is( 'editableElement' ) ) {\n\t\treturn null;\n\t}\n\n\t// TODO: Let's have a isWidgetSelectionHandleDomElement() helper in ckeditor5-widget utils.\n\tif ( target.hasClass( 'ck-widget__selection-handle' ) ) {\n\t\treturn target.findAncestor( isWidget );\n\t}\n\n\t// Direct hit on a widget.\n\tif ( isWidget( target ) ) {\n\t\treturn target;\n\t}\n\n\t// Find closest ancestor that is either a widget or an editable element...\n\tconst ancestor = target.findAncestor( node => isWidget( node ) || node.is( 'editableElement' ) );\n\n\t// ...and if closer was the widget then enable dragging it.\n\tif ( isWidget( ancestor ) ) {\n\t\treturn ancestor;\n\t}\n\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/pasteplaintext\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport ClipboardObserver from './clipboardobserver';\nimport ClipboardPipeline from './clipboardpipeline';\n\n/**\n * The plugin detects the user's intention to paste plain text.\n *\n * For example, it detects the <kbd>Ctrl/Cmd</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> keystroke.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class PastePlainText extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'PastePlainText';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ClipboardPipeline ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tconst selection = model.document.selection;\n\n\t\tlet shiftPressed = false;\n\n\t\tview.addObserver( ClipboardObserver );\n\n\t\tthis.listenTo( viewDocument, 'keydown', ( evt, data ) => {\n\t\t\tshiftPressed = data.shiftKey;\n\t\t} );\n\n\t\teditor.plugins.get( ClipboardPipeline ).on( 'contentInsertion', ( evt, data ) => {\n\t\t\t// Plain text can be determined based on the event flag (#7799) or auto-detection (#1006). If detected,\n\t\t\t// preserve selection attributes on pasted items.\n\t\t\tif ( !shiftPressed && !isPlainTextFragment( data.content, model.schema ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tmodel.change( writer => {\n\t\t\t\t// Formatting attributes should be preserved.\n\t\t\t\tconst textAttributes = Array.from( selection.getAttributes() )\n\t\t\t\t\t.filter( ( [ key ] ) => model.schema.getAttributeProperties( key ).isFormatting );\n\n\t\t\t\tif ( !selection.isCollapsed ) {\n\t\t\t\t\tmodel.deleteContent( selection, { doNotAutoparagraph: true } );\n\t\t\t\t}\n\n\t\t\t\t// Also preserve other attributes if they survived the content deletion (because they were not fully selected).\n\t\t\t\t// For example linkHref is not a formatting attribute but it should be preserved if pasted text was in the middle\n\t\t\t\t// of a link.\n\t\t\t\ttextAttributes.push( ...selection.getAttributes() );\n\n\t\t\t\tconst range = writer.createRangeIn( data.content );\n\n\t\t\t\tfor ( const item of range.getItems() ) {\n\t\t\t\t\tif ( item.is( '$textProxy' ) ) {\n\t\t\t\t\t\twriter.setAttributes( textAttributes, item );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\t\t} );\n\t}\n}\n\n// Returns true if specified `documentFragment` represents a plain text.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction isPlainTextFragment( documentFragment, schema ) {\n\tif ( documentFragment.childCount > 1 ) {\n\t\treturn false;\n\t}\n\n\tconst child = documentFragment.getChild( 0 );\n\n\tif ( schema.isObject( child ) ) {\n\t\treturn false;\n\t}\n\n\treturn [ ...child.getAttributeKeys() ].length == 0;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module clipboard/clipboard\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport ClipboardPipeline from './clipboardpipeline';\nimport DragDrop from './dragdrop';\nimport PastePlainText from './pasteplaintext';\n\n/**\n * The clipboard feature.\n *\n * Read more about the clipboard integration in the {@glink framework/guides/deep-dive/clipboard clipboard deep dive guide}.\n *\n * This is a \"glue\" plugin which loads the following plugins:\n * * {@link module:clipboard/clipboardpipeline~ClipboardPipeline}\n * * {@link module:clipboard/dragdrop~DragDrop}\n * * {@link module:clipboard/pasteplaintext~PastePlainText}\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Clipboard extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Clipboard';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ClipboardPipeline, DragDrop, PastePlainText ];\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgettoolbarrepository\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\nimport ToolbarView from '@ckeditor/ckeditor5-ui/src/toolbar/toolbarview';\nimport BalloonPanelView from '@ckeditor/ckeditor5-ui/src/panel/balloon/balloonpanelview';\nimport { isWidget } from './utils';\nimport CKEditorError, { logWarning } from '@ckeditor/ckeditor5-utils/src/ckeditorerror';\n\n/**\n * Widget toolbar repository plugin. A central point for registering widget toolbars. This plugin handles the whole\n * toolbar rendering process and exposes a concise API.\n *\n * To add a toolbar for your widget use the {@link ~WidgetToolbarRepository#register `WidgetToolbarRepository#register()`} method.\n *\n * The following example comes from the {@link module:image/imagetoolbar~ImageToolbar} plugin:\n *\n * \t\tclass ImageToolbar extends Plugin {\n *\t\t\tstatic get requires() {\n *\t\t\t\treturn [ WidgetToolbarRepository ];\n *\t\t\t}\n *\n *\t\t\tafterInit() {\n *\t\t\t\tconst editor = this.editor;\n *\t\t\t\tconst widgetToolbarRepository = editor.plugins.get( WidgetToolbarRepository );\n *\n *\t\t\t\twidgetToolbarRepository.register( 'image', {\n *\t\t\t\t\titems: editor.config.get( 'image.toolbar' ),\n *\t\t\t\t\tgetRelatedElement: getClosestSelectedImageWidget\n *\t\t\t\t} );\n *\t\t\t}\n *\t\t}\n */\nexport default class WidgetToolbarRepository extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'WidgetToolbarRepository';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Disables the default balloon toolbar for all widgets.\n\t\tif ( editor.plugins.has( 'BalloonToolbar' ) ) {\n\t\t\tconst balloonToolbar = editor.plugins.get( 'BalloonToolbar' );\n\n\t\t\tthis.listenTo( balloonToolbar, 'show', evt => {\n\t\t\t\tif ( isWidgetSelected( editor.editing.view.document.selection ) ) {\n\t\t\t\t\tevt.stop();\n\t\t\t\t}\n\t\t\t}, { priority: 'high' } );\n\t\t}\n\n\t\t/**\n\t\t * A map of toolbar definitions.\n\t\t *\n\t\t * @protected\n\t\t * @member {Map.<String,module:widget/widgettoolbarrepository~WidgetRepositoryToolbarDefinition>} #_toolbarDefinitions\n\t\t */\n\t\tthis._toolbarDefinitions = new Map();\n\n\t\t/**\n\t\t * @private\n\t\t */\n\t\tthis._balloon = this.editor.plugins.get( 'ContextualBalloon' );\n\n\t\tthis.on( 'change:isEnabled', () => {\n\t\t\tthis._updateToolbarsVisibility();\n\t\t} );\n\n\t\tthis.listenTo( editor.ui, 'update', () => {\n\t\t\tthis._updateToolbarsVisibility();\n\t\t} );\n\n\t\t// UI#update is not fired after focus is back in editor, we need to check if balloon panel should be visible.\n\t\tthis.listenTo( editor.ui.focusTracker, 'change:isFocused', () => {\n\t\t\tthis._updateToolbarsVisibility();\n\t\t}, { priority: 'low' } );\n\t}\n\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tfor ( const toolbarConfig of this._toolbarDefinitions.values() ) {\n\t\t\ttoolbarConfig.view.destroy();\n\t\t}\n\t}\n\n\t/**\n\t * Registers toolbar in the WidgetToolbarRepository. It renders it in the `ContextualBalloon` based on the value of the invoked\n\t * `getRelatedElement` function. Toolbar items are gathered from `items` array.\n\t * The balloon's CSS class is by default `ck-toolbar-container` and may be override with the `balloonClassName` option.\n\t *\n\t * Note: This method should be called in the {@link module:core/plugin~PluginInterface#afterInit `Plugin#afterInit()`}\n\t * callback (or later) to make sure that the given toolbar items were already registered by other plugins.\n\t *\n\t * @param {String} toolbarId An id for the toolbar. Used to\n\t * @param {Object} options\n\t * @param {String} [options.ariaLabel] Label used by assistive technologies to describe this toolbar element.\n\t * @param {Array.<String>} options.items Array of toolbar items.\n\t * @param {Function} options.getRelatedElement Callback which returns an element the toolbar should be attached to.\n\t * @param {String} [options.balloonClassName='ck-toolbar-container'] CSS class for the widget balloon.\n\t */\n\tregister( toolbarId, { ariaLabel, items, getRelatedElement, balloonClassName = 'ck-toolbar-container' } ) {\n\t\t// Trying to register a toolbar without any item.\n\t\tif ( !items.length ) {\n\t\t\t/**\n\t\t\t * When {@link #register} a new toolbar, you need to provide a non-empty array with\n\t\t\t * the items that will be inserted into the toolbar.\n\t\t\t *\n\t\t\t * @error widget-toolbar-no-items\n\t\t\t */\n\t\t\tlogWarning( 'widget-toolbar-no-items', { toolbarId } );\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst toolbarView = new ToolbarView( editor.locale );\n\n\t\ttoolbarView.ariaLabel = ariaLabel || t( 'Widget toolbar' );\n\n\t\tif ( this._toolbarDefinitions.has( toolbarId ) ) {\n\t\t\t/**\n\t\t\t * Toolbar with the given id was already added.\n\t\t\t *\n\t\t\t * @error widget-toolbar-duplicated\n\t\t\t * @param toolbarId Toolbar id.\n\t\t\t */\n\t\t\tthrow new CKEditorError( 'widget-toolbar-duplicated', this, { toolbarId } );\n\t\t}\n\n\t\ttoolbarView.fillFromConfig( items, editor.ui.componentFactory );\n\n\t\tthis._toolbarDefinitions.set( toolbarId, {\n\t\t\tview: toolbarView,\n\t\t\tgetRelatedElement,\n\t\t\tballoonClassName\n\t\t} );\n\t}\n\n\t/**\n\t * Iterates over stored toolbars and makes them visible or hidden.\n\t *\n\t * @private\n\t */\n\t_updateToolbarsVisibility() {\n\t\tlet maxRelatedElementDepth = 0;\n\t\tlet deepestRelatedElement = null;\n\t\tlet deepestToolbarDefinition = null;\n\n\t\tfor ( const definition of this._toolbarDefinitions.values() ) {\n\t\t\tconst relatedElement = definition.getRelatedElement( this.editor.editing.view.document.selection );\n\n\t\t\tif ( !this.isEnabled || !relatedElement ) {\n\t\t\t\tif ( this._isToolbarInBalloon( definition ) ) {\n\t\t\t\t\tthis._hideToolbar( definition );\n\t\t\t\t}\n\t\t\t} else if ( !this.editor.ui.focusTracker.isFocused ) {\n\t\t\t\tif ( this._isToolbarVisible( definition ) ) {\n\t\t\t\t\tthis._hideToolbar( definition );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst relatedElementDepth = relatedElement.getAncestors().length;\n\n\t\t\t\t// Many toolbars can express willingness to be displayed but they do not know about\n\t\t\t\t// each other. Figure out which toolbar is deepest in the view tree to decide which\n\t\t\t\t// should be displayed. For instance, if a selected image is inside a table cell, display\n\t\t\t\t// the ImageToolbar rather than the TableToolbar (#60).\n\t\t\t\tif ( relatedElementDepth > maxRelatedElementDepth ) {\n\t\t\t\t\tmaxRelatedElementDepth = relatedElementDepth;\n\t\t\t\t\tdeepestRelatedElement = relatedElement;\n\t\t\t\t\tdeepestToolbarDefinition = definition;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif ( deepestToolbarDefinition ) {\n\t\t\tthis._showToolbar( deepestToolbarDefinition, deepestRelatedElement );\n\t\t}\n\t}\n\n\t/**\n\t * Hides the given toolbar.\n\t *\n\t * @private\n\t * @param {module:widget/widgettoolbarrepository~WidgetRepositoryToolbarDefinition} toolbarDefinition\n\t */\n\t_hideToolbar( toolbarDefinition ) {\n\t\tthis._balloon.remove( toolbarDefinition.view );\n\t\tthis.stopListening( this._balloon, 'change:visibleView' );\n\t}\n\n\t/**\n\t * Shows up the toolbar if the toolbar is not visible.\n\t * Otherwise, repositions the toolbar's balloon when toolbar's view is the most top view in balloon stack.\n\t *\n\t * It might happen here that the toolbar's view is under another view. Then do nothing as the other toolbar view\n\t * should be still visible after the {@link module:core/editor/editorui~EditorUI#event:update}.\n\t *\n\t * @private\n\t * @param {module:widget/widgettoolbarrepository~WidgetRepositoryToolbarDefinition} toolbarDefinition\n\t * @param {module:engine/view/element~Element} relatedElement\n\t */\n\t_showToolbar( toolbarDefinition, relatedElement ) {\n\t\tif ( this._isToolbarVisible( toolbarDefinition ) ) {\n\t\t\trepositionContextualBalloon( this.editor, relatedElement );\n\t\t} else if ( !this._isToolbarInBalloon( toolbarDefinition ) ) {\n\t\t\tthis._balloon.add( {\n\t\t\t\tview: toolbarDefinition.view,\n\t\t\t\tposition: getBalloonPositionData( this.editor, relatedElement ),\n\t\t\t\tballoonClassName: toolbarDefinition.balloonClassName\n\t\t\t} );\n\n\t\t\t// Update toolbar position each time stack with toolbar view is switched to visible.\n\t\t\t// This is in a case target element has changed when toolbar was in invisible stack\n\t\t\t// e.g. target image was wrapped by a block quote.\n\t\t\t// See https://github.com/ckeditor/ckeditor5-widget/issues/92.\n\t\t\tthis.listenTo( this._balloon, 'change:visibleView', () => {\n\t\t\t\tfor ( const definition of this._toolbarDefinitions.values() ) {\n\t\t\t\t\tif ( this._isToolbarVisible( definition ) ) {\n\t\t\t\t\t\tconst relatedElement = definition.getRelatedElement( this.editor.editing.view.document.selection );\n\t\t\t\t\t\trepositionContextualBalloon( this.editor, relatedElement );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * @private\n\t * @param {Object} toolbar\n\t * @returns {Boolean}\n\t */\n\t_isToolbarVisible( toolbar ) {\n\t\treturn this._balloon.visibleView === toolbar.view;\n\t}\n\n\t/**\n\t * @private\n\t * @param {Object} toolbar\n\t * @returns {Boolean}\n\t */\n\t_isToolbarInBalloon( toolbar ) {\n\t\treturn this._balloon.hasView( toolbar.view );\n\t}\n}\n\nfunction repositionContextualBalloon( editor, relatedElement ) {\n\tconst balloon = editor.plugins.get( 'ContextualBalloon' );\n\tconst position = getBalloonPositionData( editor, relatedElement );\n\n\tballoon.updatePosition( position );\n}\n\nfunction getBalloonPositionData( editor, relatedElement ) {\n\tconst editingView = editor.editing.view;\n\tconst defaultPositions = BalloonPanelView.defaultPositions;\n\n\treturn {\n\t\ttarget: editingView.domConverter.mapViewToDom( relatedElement ),\n\t\tpositions: [\n\t\t\tdefaultPositions.northArrowSouth,\n\t\t\tdefaultPositions.northArrowSouthWest,\n\t\t\tdefaultPositions.northArrowSouthEast,\n\t\t\tdefaultPositions.southArrowNorth,\n\t\t\tdefaultPositions.southArrowNorthWest,\n\t\t\tdefaultPositions.southArrowNorthEast,\n\t\t\tdefaultPositions.viewportStickyNorth\n\t\t]\n\t};\n}\n\nfunction isWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isWidget( viewElement ) );\n}\n\n/**\n * The toolbar definition object used by the toolbar repository to manage toolbars.\n * It contains information necessary to display the toolbar in the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} and\n * update it during its life (display) cycle.\n *\n * @typedef {Object} module:widget/widgettoolbarrepository~WidgetRepositoryToolbarDefinition\n *\n * @property {module:ui/view~View} view The UI view of the toolbar.\n * @property {Function} getRelatedElement A function that returns an engine {@link module:engine/view/view~View}\n * element the toolbar is to be attached to. For instance, an image widget or a table widget (or `null` when\n * there is no such element). The function accepts an instance of {@link module:engine/view/selection~Selection}.\n * @property {String} balloonClassName CSS class for the widget balloon when a toolbar is displayed.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgetresize/resizerstate\n */\n\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\n/**\n * Stores the internal state of a single resizable object.\n *\n */\nexport default class ResizeState {\n\t/**\n\t * @param {module:widget/widgetresize~ResizerOptions} options Resizer options.\n\t */\n\tconstructor( options ) {\n\t\t/**\n\t\t * The original width (pixels) of the resized object when the resize process was started.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #originalWidth\n\t\t */\n\n\t\t/**\n\t\t * The original height (pixels) of the resized object when the resize process was started.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #originalHeight\n\t\t */\n\n\t\t/**\n\t\t * The original width (percents) of the resized object when the resize process was started.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #originalWidthPercents\n\t\t */\n\n\t\t/**\n\t\t * The position of the handle that initiated the resizing. E.g. `\"top-left\"`, `\"bottom-right\"` etc. or `null`\n\t\t * if unknown.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {String|null} #activeHandlePosition\n\t\t */\n\t\tthis.set( 'activeHandlePosition', null );\n\n\t\t/**\n\t\t * The width (percents) proposed, but not committed yet, in the current resize process.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #proposedWidthPercents\n\t\t */\n\t\tthis.set( 'proposedWidthPercents', null );\n\n\t\t/**\n\t\t * The width (pixels) proposed, but not committed yet, in the current resize process.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #proposedWidthPixels\n\t\t */\n\t\tthis.set( 'proposedWidth', null );\n\n\t\t/**\n\t\t * The height (pixels) proposed, but not committed yet, in the current resize process.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Number|null} #proposedHeightPixels\n\t\t */\n\t\tthis.set( 'proposedHeight', null );\n\n\t\tthis.set( 'proposedHandleHostWidth', null );\n\t\tthis.set( 'proposedHandleHostHeight', null );\n\n\t\t/**\n\t\t * A width to height ratio of the resized image.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number} #aspectRatio\n\t\t */\n\n\t\t/**\n\t\t * @private\n\t\t * @type {module:widget/widgetresize~ResizerOptions}\n\t\t */\n\t\tthis._options = options;\n\n\t\t/**\n\t\t * The reference point of the resizer where the dragging started. It is used to measure the distance the user cursor\n\t\t * traveled, so how much the image should be enlarged.\n\t\t * This information is only known after the DOM was rendered, so it will be updated later.\n\t\t *\n\t\t * @private\n\t\t * @type {Object}\n\t\t */\n\t\tthis._referenceCoordinates = null;\n\t}\n\n\t/**\n\t *\n\t * @param {HTMLElement} domResizeHandle The handle used to calculate the reference point.\n\t * @param {HTMLElement} domHandleHost\n\t * @param {HTMLElement} domResizeHost\n\t */\n\tbegin( domResizeHandle, domHandleHost, domResizeHost ) {\n\t\tconst clientRect = new Rect( domHandleHost );\n\n\t\tthis.activeHandlePosition = getHandlePosition( domResizeHandle );\n\n\t\tthis._referenceCoordinates = getAbsoluteBoundaryPoint( domHandleHost, getOppositePosition( this.activeHandlePosition ) );\n\n\t\tthis.originalWidth = clientRect.width;\n\t\tthis.originalHeight = clientRect.height;\n\n\t\tthis.aspectRatio = clientRect.width / clientRect.height;\n\n\t\tconst widthStyle = domResizeHost.style.width;\n\n\t\tif ( widthStyle && widthStyle.match( /^\\d+(\\.\\d*)?%$/ ) ) {\n\t\t\tthis.originalWidthPercents = parseFloat( widthStyle );\n\t\t} else {\n\t\t\tthis.originalWidthPercents = calculateHostPercentageWidth( domResizeHost, clientRect );\n\t\t}\n\t}\n\n\tupdate( newSize ) {\n\t\tthis.proposedWidth = newSize.width;\n\t\tthis.proposedHeight = newSize.height;\n\t\tthis.proposedWidthPercents = newSize.widthPercents;\n\n\t\tthis.proposedHandleHostWidth = newSize.handleHostWidth;\n\t\tthis.proposedHandleHostHeight = newSize.handleHostHeight;\n\t}\n}\n\nmix( ResizeState, ObservableMixin );\n\n// Calculates a relative width of a `domResizeHost` compared to it's parent in percents.\n//\n// @private\n// @param {HTMLElement} domResizeHost\n// @param {module:utils/dom/rect~Rect} resizeHostRect\n// @returns {Number}\nfunction calculateHostPercentageWidth( domResizeHost, resizeHostRect ) {\n\tconst domResizeHostParent = domResizeHost.parentElement;\n\t// Need to use computed style as it properly excludes parent's paddings from the returned value.\n\tconst parentWidth = parseFloat( domResizeHostParent.ownerDocument.defaultView.getComputedStyle( domResizeHostParent ).width );\n\n\treturn resizeHostRect.width / parentWidth * 100;\n}\n\n// Returns coordinates of the top-left corner of an element, relative to the document's top-left corner.\n//\n// @private\n// @param {HTMLElement} element\n// @param {String} resizerPosition The position of the resize handle, e.g. `\"top-left\"`, `\"bottom-right\"`.\n// @returns {Object} return\n// @returns {Number} return.x\n// @returns {Number} return.y\nfunction getAbsoluteBoundaryPoint( element, resizerPosition ) {\n\tconst elementRect = new Rect( element );\n\tconst positionParts = resizerPosition.split( '-' );\n\tconst ret = {\n\t\tx: positionParts[ 1 ] == 'right' ? elementRect.right : elementRect.left,\n\t\ty: positionParts[ 0 ] == 'bottom' ? elementRect.bottom : elementRect.top\n\t};\n\n\tret.x += element.ownerDocument.defaultView.scrollX;\n\tret.y += element.ownerDocument.defaultView.scrollY;\n\n\treturn ret;\n}\n\n// @private\n// @param {String} resizerPosition The expected resizer position, like `\"top-left\"`, `\"bottom-right\"`.\n// @returns {String} A prefixed HTML class name for the resizer element.\nfunction getResizerHandleClass( resizerPosition ) {\n\treturn `ck-widget__resizer__handle-${ resizerPosition }`;\n}\n\n// Determines the position of a given resize handle.\n//\n// @private\n// @param {HTMLElement} domHandle Handle used to calculate the reference point.\n// @returns {String|undefined} Returns a string like `\"top-left\"` or `undefined` if not matched.\nfunction getHandlePosition( domHandle ) {\n\tconst resizerPositions = [ 'top-left', 'top-right', 'bottom-right', 'bottom-left' ];\n\n\tfor ( const position of resizerPositions ) {\n\t\tif ( domHandle.classList.contains( getResizerHandleClass( position ) ) ) {\n\t\t\treturn position;\n\t\t}\n\t}\n}\n\n// @private\n// @param {String} position Like `\"top-left\"`.\n// @returns {String} Inverted `position`, e.g. it returns `\"bottom-right\"` if `\"top-left\"` was given as `position`.\nfunction getOppositePosition( position ) {\n\tconst parts = position.split( '-' );\n\tconst replacements = {\n\t\ttop: 'bottom',\n\t\tbottom: 'top',\n\t\tleft: 'right',\n\t\tright: 'left'\n\t};\n\n\treturn `${ replacements[ parts[ 0 ] ] }-${ replacements[ parts[ 1 ] ] }`;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgetresize/sizeview\n */\n\nimport View from '@ckeditor/ckeditor5-ui/src/view';\n\n/**\n * A view displaying the proposed new element size during the resizing.\n *\n * @protected\n * @extends {module:ui/view~View}\n */\nexport default class SizeView extends View {\n\tconstructor() {\n\t\tsuper();\n\n\t\t/**\n\t\t * The visibility of the view defined based on the existence of the host proposed dimensions.\n\t\t *\n\t\t * @private\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #_isVisible\n\t\t */\n\n\t\t/**\n\t\t * The text that will be displayed in the `SizeView` child.\n\t\t * It can be formatted as the pixel values (e.g. 10x20) or the percentage value (e.g. 10%).\n\t\t *\n\t\t * @private\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #_label\n\t\t */\n\n\t\t/**\n\t\t * The position of the view defined based on the host size and active handle position.\n\t\t *\n\t\t * @private\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {String} #_viewPosition\n\t\t */\n\n\t\tconst bind = this.bindTemplate;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-size-view',\n\t\t\t\t\tbind.to( '_viewPosition', value => value ? `ck-orientation-${ value }` : '' )\n\t\t\t\t],\n\t\t\t\tstyle: {\n\t\t\t\t\tdisplay: bind.if( '_isVisible', 'none', visible => !visible )\n\t\t\t\t}\n\t\t\t},\n\t\t\tchildren: [ {\n\t\t\t\ttext: bind.to( '_label' )\n\t\t\t} ]\n\t\t} );\n\t}\n\n\t/**\n\t * A method used for binding the `SizeView` instance properties to the `ResizeState` instance observable properties.\n\t *\n\t * @protected\n\t * @param {module:widget/widgetresize~ResizerOptions} options\n\t * An object defining the resizer options, used for setting the proper size label.\n\t * @param {module:widget/widgetresize/resizerstate~ResizeState} resizeState\n\t * The `ResizeState` class instance, used for keeping the `SizeView` state up to date.\n\t */\n\t_bindToState( options, resizeState ) {\n\t\tthis.bind( '_isVisible' ).to( resizeState, 'proposedWidth', resizeState, 'proposedHeight', ( width, height ) =>\n\t\t\twidth !== null && height !== null );\n\n\t\tthis.bind( '_label' ).to(\n\t\t\tresizeState, 'proposedHandleHostWidth',\n\t\t\tresizeState, 'proposedHandleHostHeight',\n\t\t\tresizeState, 'proposedWidthPercents',\n\t\t\t( width, height, widthPercents ) => {\n\t\t\t\tif ( options.unit === 'px' ) {\n\t\t\t\t\treturn `${ width }×${ height }`;\n\t\t\t\t} else {\n\t\t\t\t\treturn `${ widthPercents }%`;\n\t\t\t\t}\n\t\t\t}\n\t\t);\n\n\t\tthis.bind( '_viewPosition' ).to(\n\t\t\tresizeState, 'activeHandlePosition',\n\t\t\tresizeState, 'proposedHandleHostWidth',\n\t\t\tresizeState, 'proposedHandleHostHeight',\n\t\t\t// If the widget is too small to contain the size label, display the label above.\n\t\t\t( position, width, height ) => width < 50 || height < 50 ? 'above-center' : position\n\t\t);\n\t}\n\n\t/**\n\t * A method used for cleaning up. It removes the bindings and hides the view.\n\t *\n\t * @protected\n\t */\n\t_dismiss() {\n\t\tthis.unbind();\n\t\tthis._isVisible = false;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgetresize/resizer\n */\n\nimport Template from '@ckeditor/ckeditor5-ui/src/template';\nimport Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';\nimport compareArrays from '@ckeditor/ckeditor5-utils/src/comparearrays';\n\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\n\nimport ResizeState from './resizerstate';\nimport SizeView from './sizeview';\n\n/**\n * Represents a resizer for a single resizable object.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class Resizer {\n\t/**\n\t * @param {module:widget/widgetresize~ResizerOptions} options Resizer options.\n\t */\n\tconstructor( options ) {\n\t\t/**\n\t\t * Stores the state of the resizable host geometry, such as the original width, the currently proposed height, etc.\n\t\t *\n\t\t * Note that a new state is created for each resize transaction.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:widget/widgetresize/resizerstate~ResizerState} #state\n\t\t */\n\n\t\t/**\n\t\t * A view displaying the proposed new element size during the resizing.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @member {module:widget/widgetresize/sizeview~SizeView} #_sizeView\n\t\t */\n\n\t\t/**\n\t\t * Options passed to the {@link #constructor}.\n\t\t *\n\t\t * @private\n\t\t * @type {module:widget/widgetresize~ResizerOptions}\n\t\t */\n\t\tthis._options = options;\n\n\t\t/**\n\t\t * A wrapper that is controlled by the resizer. This is usually a widget element.\n\t\t *\n\t\t * @private\n\t\t * @type {module:engine/view/element~Element|null}\n\t\t */\n\t\tthis._viewResizerWrapper = null;\n\n\t\t/**\n\t\t * The width of the resized {@link module:widget/widgetresize~ResizerOptions#viewElement viewElement} before the resizing started.\n\t\t *\n\t\t * @private\n\t\t * @member {Number|String|undefined} #_initialViewWidth\n\t\t */\n\n\t\t/**\n\t\t * @observable\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\tthis.decorate( 'begin' );\n\t\tthis.decorate( 'cancel' );\n\t\tthis.decorate( 'commit' );\n\t\tthis.decorate( 'updateSize' );\n\n\t\tthis.on( 'commit', event => {\n\t\t\t// State might not be initialized yet. In this case, prevent further handling and make sure that the resizer is\n\t\t\t// cleaned up (#5195).\n\t\t\tif ( !this.state.proposedWidth && !this.state.proposedWidthPercents ) {\n\t\t\t\tthis._cleanup();\n\t\t\t\tevent.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\tthis.on( 'change:isEnabled', () => {\n\t\t\t// We should redraw the resize handles when the plugin is enabled again.\n\t\t\t// Otherwise they won't show up.\n\t\t\tif ( this.isEnabled ) {\n\t\t\t\tthis.redraw();\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Attaches the resizer to the DOM.\n\t */\n\tattach() {\n\t\tconst that = this;\n\t\tconst widgetElement = this._options.viewElement;\n\t\tconst editingView = this._options.editor.editing.view;\n\n\t\teditingView.change( writer => {\n\t\t\tconst viewResizerWrapper = writer.createUIElement( 'div', {\n\t\t\t\tclass: 'ck ck-reset_all ck-widget__resizer'\n\t\t\t}, function( domDocument ) {\n\t\t\t\tconst domElement = this.toDomElement( domDocument );\n\n\t\t\t\tthat._appendHandles( domElement );\n\t\t\t\tthat._appendSizeUI( domElement );\n\n\t\t\t\tthat.on( 'change:isEnabled', ( evt, propName, newValue ) => {\n\t\t\t\t\tdomElement.style.display = newValue ? '' : 'none';\n\t\t\t\t} );\n\n\t\t\t\tdomElement.style.display = that.isEnabled ? '' : 'none';\n\n\t\t\t\treturn domElement;\n\t\t\t} );\n\n\t\t\t// Append the resizer wrapper to the widget's wrapper.\n\t\t\twriter.insert( writer.createPositionAt( widgetElement, 'end' ), viewResizerWrapper );\n\t\t\twriter.addClass( 'ck-widget_with-resizer', widgetElement );\n\n\t\t\tthis._viewResizerWrapper = viewResizerWrapper;\n\t\t} );\n\t}\n\n\t/**\n\t * Starts the resizing process.\n\t *\n\t * Creates a new {@link #state} for the current process.\n\t *\n\t * @fires begin\n\t * @param {HTMLElement} domResizeHandle Clicked handle.\n\t */\n\tbegin( domResizeHandle ) {\n\t\tthis.state = new ResizeState( this._options );\n\n\t\tthis._sizeView._bindToState( this._options, this.state );\n\n\t\tthis._initialViewWidth = this._options.viewElement.getStyle( 'width' );\n\n\t\tthis.state.begin( domResizeHandle, this._getHandleHost(), this._getResizeHost() );\n\t}\n\n\t/**\n\t * Updates the proposed size based on `domEventData`.\n\t *\n\t * @fires updateSize\n\t * @param {Event} domEventData\n\t */\n\tupdateSize( domEventData ) {\n\t\tconst newSize = this._proposeNewSize( domEventData );\n\t\tconst editingView = this._options.editor.editing.view;\n\n\t\teditingView.change( writer => {\n\t\t\tconst unit = this._options.unit || '%';\n\t\t\tconst newWidth = ( unit === '%' ? newSize.widthPercents : newSize.width ) + unit;\n\n\t\t\twriter.setStyle( 'width', newWidth, this._options.viewElement );\n\t\t} );\n\n\t\t// Get an actual image width, and:\n\t\t// * reflect this size to the resize wrapper\n\t\t// * apply this **real** size to the state\n\t\tconst domHandleHost = this._getHandleHost();\n\t\tconst domHandleHostRect = new Rect( domHandleHost );\n\n\t\tnewSize.handleHostWidth = Math.round( domHandleHostRect.width );\n\t\tnewSize.handleHostHeight = Math.round( domHandleHostRect.height );\n\n\t\t// Handle max-width limitation.\n\t\tconst domResizeHostRect = new Rect( domHandleHost );\n\n\t\tnewSize.width = Math.round( domResizeHostRect.width );\n\t\tnewSize.height = Math.round( domResizeHostRect.height );\n\n\t\tthis.redraw( domHandleHostRect );\n\n\t\tthis.state.update( newSize );\n\t}\n\n\t/**\n\t * Applies the geometry proposed with the resizer.\n\t *\n\t * @fires commit\n\t */\n\tcommit() {\n\t\tconst unit = this._options.unit || '%';\n\t\tconst newValue = ( unit === '%' ? this.state.proposedWidthPercents : this.state.proposedWidth ) + unit;\n\n\t\t// Both cleanup and onCommit callback are very likely to make view changes. Ensure that it is made in a single step.\n\t\tthis._options.editor.editing.view.change( () => {\n\t\t\tthis._cleanup();\n\t\t\tthis._options.onCommit( newValue );\n\t\t} );\n\t}\n\n\t/**\n\t * Cancels and rejects the proposed resize dimensions, hiding the UI.\n\t *\n\t * @fires cancel\n\t */\n\tcancel() {\n\t\tthis._cleanup();\n\t}\n\n\t/**\n\t * Destroys the resizer.\n\t */\n\tdestroy() {\n\t\tthis.cancel();\n\t}\n\n\t/**\n\t * Redraws the resizer.\n\t *\n\t * @param {module:utils/dom/rect~Rect} [handleHostRect] Handle host rectangle might be given to improve performance.\n\t */\n\tredraw( handleHostRect ) {\n\t\tconst domWrapper = this._domResizerWrapper;\n\n\t\t// Refresh only if resizer exists in the DOM.\n\t\tif ( !existsInDom( domWrapper ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst widgetWrapper = domWrapper.parentElement;\n\t\tconst handleHost = this._getHandleHost();\n\t\tconst resizerWrapper = this._viewResizerWrapper;\n\t\tconst currentDimensions = [\n\t\t\tresizerWrapper.getStyle( 'width' ),\n\t\t\tresizerWrapper.getStyle( 'height' ),\n\t\t\tresizerWrapper.getStyle( 'left' ),\n\t\t\tresizerWrapper.getStyle( 'top' )\n\t\t];\n\t\tlet newDimensions;\n\n\t\tif ( widgetWrapper.isSameNode( handleHost ) ) {\n\t\t\tconst clientRect = handleHostRect || new Rect( handleHost );\n\n\t\t\tnewDimensions = [\n\t\t\t\tclientRect.width + 'px',\n\t\t\t\tclientRect.height + 'px',\n\t\t\t\tundefined,\n\t\t\t\tundefined\n\t\t\t];\n\t\t}\n\t\t// In case a resizing host is not a widget wrapper, we need to compensate\n\t\t// for any additional offsets the resize host might have. E.g. wrapper padding\n\t\t// or simply another editable. By doing that the border and resizers are shown\n\t\t// only around the resize host.\n\t\telse {\n\t\t\tnewDimensions = [\n\t\t\t\thandleHost.offsetWidth + 'px',\n\t\t\t\thandleHost.offsetHeight + 'px',\n\t\t\t\thandleHost.offsetLeft + 'px',\n\t\t\t\thandleHost.offsetTop + 'px'\n\t\t\t];\n\t\t}\n\n\t\t// Make changes to the view only if the resizer should actually get new dimensions.\n\t\t// Otherwise, if View#change() was always called, this would cause EditorUI#update\n\t\t// loops because the WidgetResize plugin listens to EditorUI#update and updates\n\t\t// the resizer.\n\t\t// https://github.com/ckeditor/ckeditor5/issues/7633\n\t\tif ( compareArrays( currentDimensions, newDimensions ) !== 'same' ) {\n\t\t\tthis._options.editor.editing.view.change( writer => {\n\t\t\t\twriter.setStyle( {\n\t\t\t\t\twidth: newDimensions[ 0 ],\n\t\t\t\t\theight: newDimensions[ 1 ],\n\t\t\t\t\tleft: newDimensions[ 2 ],\n\t\t\t\t\ttop: newDimensions[ 3 ]\n\t\t\t\t}, resizerWrapper );\n\t\t\t} );\n\t\t}\n\t}\n\n\tcontainsHandle( domElement ) {\n\t\treturn this._domResizerWrapper.contains( domElement );\n\t}\n\n\tstatic isResizeHandle( domElement ) {\n\t\treturn domElement.classList.contains( 'ck-widget__resizer__handle' );\n\t}\n\n\t/**\n\t * Cleans up the context state.\n\t *\n\t * @protected\n\t */\n\t_cleanup() {\n\t\tthis._sizeView._dismiss();\n\n\t\tconst editingView = this._options.editor.editing.view;\n\n\t\teditingView.change( writer => {\n\t\t\twriter.setStyle( 'width', this._initialViewWidth, this._options.viewElement );\n\t\t} );\n\t}\n\n\t/**\n\t * Calculates the proposed size as the resize handles are dragged.\n\t *\n\t * @private\n\t * @param {Event} domEventData Event data that caused the size update request. It should be used to calculate the proposed size.\n\t * @returns {Object} return\n\t * @returns {Number} return.width Proposed width.\n\t * @returns {Number} return.height Proposed height.\n\t */\n\t_proposeNewSize( domEventData ) {\n\t\tconst state = this.state;\n\t\tconst currentCoordinates = extractCoordinates( domEventData );\n\t\tconst isCentered = this._options.isCentered ? this._options.isCentered( this ) : true;\n\n\t\t// Enlargement defines how much the resize host has changed in a given axis. Naturally it could be a negative number\n\t\t// meaning that it has been shrunk.\n\t\t//\n\t\t// +----------------+--+\n\t\t// |                |  |\n\t\t// |       img      |  |\n\t\t// |  /handle host  |  |\n\t\t// +----------------+  | ^\n\t\t// |                   | | - enlarge y\n\t\t// +-------------------+ v\n\t\t// \t\t\t\t\t<-->\n\t\t// \t\t\t\t\t enlarge x\n\t\tconst enlargement = {\n\t\t\tx: state._referenceCoordinates.x - ( currentCoordinates.x + state.originalWidth ),\n\t\t\ty: ( currentCoordinates.y - state.originalHeight ) - state._referenceCoordinates.y\n\t\t};\n\n\t\tif ( isCentered && state.activeHandlePosition.endsWith( '-right' ) ) {\n\t\t\tenlargement.x = currentCoordinates.x - ( state._referenceCoordinates.x + state.originalWidth );\n\t\t}\n\n\t\t// Objects needs to be resized twice as much in horizontal axis if centered, since enlargement is counted from\n\t\t// one resized corner to your cursor. It needs to be duplicated to compensate for the other side too.\n\t\tif ( isCentered ) {\n\t\t\tenlargement.x *= 2;\n\t\t}\n\n\t\t// const resizeHost = this._getResizeHost();\n\n\t\t// The size proposed by the user. It does not consider the aspect ratio.\n\t\tconst proposedSize = {\n\t\t\twidth: Math.abs( state.originalWidth + enlargement.x ),\n\t\t\theight: Math.abs( state.originalHeight + enlargement.y )\n\t\t};\n\n\t\t// Dominant determination must take the ratio into account.\n\t\tproposedSize.dominant = proposedSize.width / state.aspectRatio > proposedSize.height ? 'width' : 'height';\n\t\tproposedSize.max = proposedSize[ proposedSize.dominant ];\n\n\t\t// Proposed size, respecting the aspect ratio.\n\t\tconst targetSize = {\n\t\t\twidth: proposedSize.width,\n\t\t\theight: proposedSize.height\n\t\t};\n\n\t\tif ( proposedSize.dominant == 'width' ) {\n\t\t\ttargetSize.height = targetSize.width / state.aspectRatio;\n\t\t} else {\n\t\t\ttargetSize.width = targetSize.height * state.aspectRatio;\n\t\t}\n\n\t\treturn {\n\t\t\twidth: Math.round( targetSize.width ),\n\t\t\theight: Math.round( targetSize.height ),\n\t\t\twidthPercents: Math.min( Math.round( state.originalWidthPercents / state.originalWidth * targetSize.width * 100 ) / 100, 100 )\n\t\t};\n\t}\n\n\t/**\n\t * Obtains the resize host.\n\t *\n\t * Resize host is an object that receives dimensions which are the result of resizing.\n\t *\n\t * @protected\n\t * @returns {HTMLElement}\n\t */\n\t_getResizeHost() {\n\t\tconst widgetWrapper = this._domResizerWrapper.parentElement;\n\n\t\treturn this._options.getResizeHost( widgetWrapper );\n\t}\n\n\t/**\n\t * Obtains the handle host.\n\t *\n\t * Handle host is an object that the handles are aligned to.\n\t *\n\t * Handle host will not always be an entire widget itself. Take an image as an example. The image widget\n\t * contains an image and a caption. Only the image should be surrounded with handles.\n\t *\n\t * @protected\n\t * @returns {HTMLElement}\n\t */\n\t_getHandleHost() {\n\t\tconst widgetWrapper = this._domResizerWrapper.parentElement;\n\n\t\treturn this._options.getHandleHost( widgetWrapper );\n\t}\n\n\t/**\n\t * DOM container of the entire resize UI.\n\t *\n\t * Note that this property will have a value only after the element bound with the resizer is rendered\n\t * (otherwise `null`).\n\t *\n\t * @private\n\t * @member {HTMLElement|null}\n\t */\n\tget _domResizerWrapper() {\n\t\treturn this._options.editor.editing.view.domConverter.mapViewToDom( this._viewResizerWrapper );\n\t}\n\n\t/**\n\t * Renders the resize handles in the DOM.\n\t *\n\t * @private\n\t * @param {HTMLElement} domElement The resizer wrapper.\n\t */\n\t_appendHandles( domElement ) {\n\t\tconst resizerPositions = [ 'top-left', 'top-right', 'bottom-right', 'bottom-left' ];\n\n\t\tfor ( const currentPosition of resizerPositions ) {\n\t\t\tdomElement.appendChild( ( new Template( {\n\t\t\t\ttag: 'div',\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: `ck-widget__resizer__handle ${ getResizerClass( currentPosition ) }`\n\t\t\t\t}\n\t\t\t} ).render() ) );\n\t\t}\n\t}\n\n\t/**\n\t * Sets up the {@link #_sizeView} property and adds it to the passed `domElement`.\n\t *\n\t * @private\n\t * @param {HTMLElement} domElement\n\t */\n\t_appendSizeUI( domElement ) {\n\t\tthis._sizeView = new SizeView();\n\n\t\t// Make sure icon#element is rendered before passing to appendChild().\n\t\tthis._sizeView.render();\n\n\t\tdomElement.appendChild( this._sizeView.element );\n\t}\n\n\t/**\n\t * @event begin\n\t */\n\n\t/**\n\t * @event updateSize\n\t */\n\n\t/**\n\t * @event commit\n\t */\n\n\t/**\n\t * @event cancel\n\t */\n}\n\nmix( Resizer, ObservableMixin );\n\n// @private\n// @param {String} resizerPosition Expected resizer position like `\"top-left\"`, `\"bottom-right\"`.\n// @returns {String} A prefixed HTML class name for the resizer element\nfunction getResizerClass( resizerPosition ) {\n\treturn `ck-widget__resizer__handle-${ resizerPosition }`;\n}\n\nfunction extractCoordinates( event ) {\n\treturn {\n\t\tx: event.pageX,\n\t\ty: event.pageY\n\t};\n}\n\nfunction existsInDom( element ) {\n\treturn element && element.ownerDocument && element.ownerDocument.contains( element );\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./widgetresize.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./widgetresize.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module widget/widgetresize\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Resizer from './widgetresize/resizer';\nimport DomEmitterMixin from '@ckeditor/ckeditor5-utils/src/dom/emittermixin';\nimport global from '@ckeditor/ckeditor5-utils/src/dom/global';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport MouseObserver from '@ckeditor/ckeditor5-engine/src/view/observer/mouseobserver';\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport { throttle } from 'lodash-es';\n\nimport '../theme/widgetresize.css';\n\n/**\n * The widget resize feature plugin.\n *\n * Use the {@link module:widget/widgetresize~WidgetResize#attachTo} method to create a resizer for the specified widget.\n *\n * @extends module:core/plugin~Plugin\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class WidgetResize extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'WidgetResize';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editing = this.editor.editing;\n\t\tconst domDocument = global.window.document;\n\n\t\t/**\n\t\t * The currently visible resizer.\n\t\t *\n\t\t * @observable\n\t\t * @member {module:widget/widgetresize/resizer~Resizer|null} #visibleResizer\n\t\t */\n\t\tthis.set( 'visibleResizer', null );\n\n\t\t/**\n\t\t * References an active resizer.\n\t\t *\n\t\t * Active resizer means a resizer which handle is actively used by the end user.\n\t\t *\n\t\t * @protected\n\t\t * @observable\n\t\t * @member {module:widget/widgetresize/resizer~Resizer|null} #_activeResizer\n\t\t */\n\t\tthis.set( '_activeResizer', null );\n\n\t\t/**\n\t\t * A map of resizers created using this plugin instance.\n\t\t *\n\t\t * @protected\n\t\t * @type {Map.<module:engine/view/containerelement~ContainerElement, module:widget/widgetresize/resizer~Resizer>}\n\t\t */\n\t\tthis._resizers = new Map();\n\n\t\tediting.view.addObserver( MouseObserver );\n\n\t\tthis._observer = Object.create( DomEmitterMixin );\n\n\t\tthis.listenTo( editing.view.document, 'mousedown', this._mouseDownListener.bind( this ), { priority: 'high' } );\n\n\t\tthis._observer.listenTo( domDocument, 'mousemove', this._mouseMoveListener.bind( this ) );\n\t\tthis._observer.listenTo( domDocument, 'mouseup', this._mouseUpListener.bind( this ) );\n\n\t\tconst redrawFocusedResizer = () => {\n\t\t\tif ( this.visibleResizer ) {\n\t\t\t\tthis.visibleResizer.redraw();\n\t\t\t}\n\t\t};\n\n\t\tthis._redrawFocusedResizerThrottled = throttle( redrawFocusedResizer, 200 );\n\n\t\t// Redraws occurring upon a change of visible resizer must not be throttled, as it is crucial for the initial\n\t\t// render. Without it the resizer frame would be misaligned with resizing host for a fraction of second.\n\t\tthis.on( 'change:visibleResizer', redrawFocusedResizer );\n\n\t\t// Redrawing on any change of the UI of the editor (including content changes).\n\t\tthis.editor.ui.on( 'update', this._redrawFocusedResizerThrottled );\n\n\t\t// Remove view widget-resizer mappings for widgets that have been removed from the document.\n\t\t// https://github.com/ckeditor/ckeditor5/issues/10156\n\t\t// https://github.com/ckeditor/ckeditor5/issues/10266\n\t\tthis.editor.model.document.on( 'change', () => {\n\t\t\tfor ( const [ viewElement, resizer ] of this._resizers ) {\n\t\t\t\tif ( !viewElement.isAttached() ) {\n\t\t\t\t\tthis._resizers.delete( viewElement );\n\t\t\t\t\tresizer.destroy();\n\t\t\t\t}\n\t\t\t}\n\t\t}, { priority: 'lowest' } );\n\n\t\t// Resizers need to be redrawn upon window resize, because new window might shrink resize host.\n\t\tthis._observer.listenTo( global.window, 'resize', this._redrawFocusedResizerThrottled );\n\n\t\tconst viewSelection = this.editor.editing.view.document.selection;\n\n\t\tviewSelection.on( 'change', () => {\n\t\t\tconst selectedElement = viewSelection.getSelectedElement();\n\n\t\t\tthis.visibleResizer = this.getResizerByViewElement( selectedElement ) || null;\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tthis._observer.stopListening();\n\n\t\tfor ( const resizer of this._resizers.values() ) {\n\t\t\tresizer.destroy();\n\t\t}\n\n\t\tthis._redrawFocusedResizerThrottled.cancel();\n\t}\n\n\t/**\n\t * @param {module:widget/widgetresize~ResizerOptions} [options] Resizer options.\n\t * @returns {module:widget/widgetresize/resizer~Resizer}\n\t */\n\tattachTo( options ) {\n\t\tconst resizer = new Resizer( options );\n\t\tconst plugins = this.editor.plugins;\n\n\t\tresizer.attach();\n\n\t\tif ( plugins.has( 'WidgetToolbarRepository' ) ) {\n\t\t\t// Hiding widget toolbar to improve the performance\n\t\t\t// (https://github.com/ckeditor/ckeditor5-widget/pull/112#issuecomment-564528765).\n\t\t\tconst widgetToolbarRepository = plugins.get( 'WidgetToolbarRepository' );\n\n\t\t\tresizer.on( 'begin', () => {\n\t\t\t\twidgetToolbarRepository.forceDisabled( 'resize' );\n\t\t\t}, { priority: 'lowest' } );\n\n\t\t\tresizer.on( 'cancel', () => {\n\t\t\t\twidgetToolbarRepository.clearForceDisabled( 'resize' );\n\t\t\t}, { priority: 'highest' } );\n\n\t\t\tresizer.on( 'commit', () => {\n\t\t\t\twidgetToolbarRepository.clearForceDisabled( 'resize' );\n\t\t\t}, { priority: 'highest' } );\n\t\t}\n\n\t\tthis._resizers.set( options.viewElement, resizer );\n\n\t\tconst viewSelection = this.editor.editing.view.document.selection;\n\t\tconst selectedElement = viewSelection.getSelectedElement();\n\n\t\t// If the element the resizer is created for is currently focused, it should become visible.\n\t\tif ( this.getResizerByViewElement( selectedElement ) == resizer ) {\n\t\t\tthis.visibleResizer = resizer;\n\t\t}\n\n\t\treturn resizer;\n\t}\n\n\t/**\n\t * Returns a resizer created for a given view element (widget element).\n\t *\n\t * @param {module:engine/view/containerelement~ContainerElement} viewElement View element associated with the resizer.\n\t * @returns {module:widget/widgetresize/resizer~Resizer|undefined}\n\t */\n\tgetResizerByViewElement( viewElement ) {\n\t\treturn this._resizers.get( viewElement );\n\t}\n\n\t/**\n\t * Returns a resizer that contains a given resize handle.\n\t *\n\t * @protected\n\t * @param {HTMLElement} domResizeHandle\n\t * @returns {module:widget/widgetresize/resizer~Resizer}\n\t */\n\t_getResizerByHandle( domResizeHandle ) {\n\t\tfor ( const resizer of this._resizers.values() ) {\n\t\t\tif ( resizer.containsHandle( domResizeHandle ) ) {\n\t\t\t\treturn resizer;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @protected\n\t * @param {module:utils/eventinfo~EventInfo} event\n\t * @param {Event} domEventData Native DOM event.\n\t */\n\t_mouseDownListener( event, domEventData ) {\n\t\tconst resizeHandle = domEventData.domTarget;\n\n\t\tif ( !Resizer.isResizeHandle( resizeHandle ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._activeResizer = this._getResizerByHandle( resizeHandle );\n\n\t\tif ( this._activeResizer ) {\n\t\t\tthis._activeResizer.begin( resizeHandle );\n\n\t\t\t// Do not call other events when resizing. See: #6755.\n\t\t\tevent.stop();\n\t\t\tdomEventData.preventDefault();\n\t\t}\n\t}\n\n\t/**\n\t * @protected\n\t * @param {module:utils/eventinfo~EventInfo} event\n\t * @param {Event} domEventData Native DOM event.\n\t */\n\t_mouseMoveListener( event, domEventData ) {\n\t\tif ( this._activeResizer ) {\n\t\t\tthis._activeResizer.updateSize( domEventData );\n\t\t}\n\t}\n\n\t/**\n\t * @protected\n\t */\n\t_mouseUpListener() {\n\t\tif ( this._activeResizer ) {\n\t\t\tthis._activeResizer.commit();\n\t\t\tthis._activeResizer = null;\n\t\t}\n\t}\n}\n\nmix( WidgetResize, ObservableMixin );\n\n/**\n * Interface describing a resizer. It allows to specify the resizing host, custom logic for calculating aspect ratio, etc.\n *\n * @interface ResizerOptions\n */\n\n/**\n * Editor instance associated with the resizer.\n *\n * @member {module:core/editor/editor~Editor} module:widget/widgetresize~ResizerOptions#editor\n */\n\n/**\n * @member {module:engine/model/element~Element} module:widget/widgetresize~ResizerOptions#modelElement\n */\n\n/**\n * A view of an element to be resized. Typically it's the main widget's view instance.\n *\n * @member {module:engine/view/containerelement~ContainerElement} module:widget/widgetresize~ResizerOptions#viewElement\n */\n\n/**\n * A callback to be executed once the resizing process is done.\n *\n * It receives a `Number` (`newValue`) as a parameter.\n *\n * For example, {@link module:image/imageresize~ImageResize} uses it to execute the resize image command\n * which puts the new value into the model.\n *\n * ```js\n * {\n *\teditor,\n *\tmodelElement: data.item,\n *\tviewElement: widget,\n *\n *\tonCommit( newValue ) {\n *\t\teditor.execute( 'resizeImage', { width: newValue } );\n *\t}\n * };\n * ```\n *\n *\n * @member {Function} module:widget/widgetresize~ResizerOptions#onCommit\n */\n\n/**\n * @member {Function} module:widget/widgetresize~ResizerOptions#getResizeHost\n */\n\n/**\n * @member {Function} module:widget/widgetresize~ResizerOptions#isCentered\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/utils\n */\n\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * Creates a view element representing the image of provided image type.\n *\n * An 'imageBlock' type (block image):\n *\n *\t\t<figure class=\"image\"><img></img></figure>\n *\n * An 'imageInline' type (inline image):\n *\n *\t\t<span class=\"image-inline\"><img></img></span>\n *\n * Note that `alt` and `src` attributes are converted separately, so they are not included.\n *\n * @protected\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer\n * @param {'imageBlock'|'imageInline'} imageType The type of created image.\n * @returns {module:engine/view/containerelement~ContainerElement}\n */\nexport function createImageViewElement( writer, imageType ) {\n\tconst emptyElement = writer.createEmptyElement( 'img' );\n\n\tconst container = imageType === 'imageBlock' ?\n\t\twriter.createContainerElement( 'figure', { class: 'image' } ) :\n\t\twriter.createContainerElement( 'span', { class: 'image-inline' }, { isAllowedInsideAttributeElement: true } );\n\n\twriter.insert( writer.createPositionAt( container, 0 ), emptyElement );\n\n\treturn container;\n}\n\n/**\n * A function returning a `MatcherPattern` for a particular type of View images.\n *\n * @protected\n * @param {module:core/editor/editor~Editor} editor\n * @param {'imageBlock'|'imageInline'} matchImageType The type of created image.\n * @returns {module:engine/view/matcher~MatcherPattern}\n */\nexport function getImgViewElementMatcher( editor, matchImageType ) {\n\tif ( editor.plugins.has( 'ImageInlineEditing' ) !== editor.plugins.has( 'ImageBlockEditing' ) ) {\n\t\treturn { name: 'img' };\n\t}\n\n\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\treturn element => {\n\t\t// Check if view element is an `img`.\n\t\tif ( !imageUtils.isInlineImageView( element ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// The <img> can be standalone, wrapped in <figure>...</figure> (ImageBlock plugin) or\n\t\t// wrapped in <figure><a>...</a></figure> (LinkImage plugin).\n\t\tconst imageType = element.findAncestor( imageUtils.isBlockImageView ) ? 'imageBlock' : 'imageInline';\n\n\t\tif ( imageType !== matchImageType ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn { name: true };\n\t};\n}\n\n/**\n * Considering the current model selection, it returns the name of the model image element\n * (`'imageBlock'` or `'imageInline'`) that will make most sense from the UX perspective if a new\n * image was inserted (also: uploaded, dropped, pasted) at that selection.\n *\n * The assumption is that inserting images into empty blocks or on other block widgets should\n * produce block images. Inline images should be inserted in other cases, e.g. in paragraphs\n * that already contain some text.\n *\n * @protected\n * @param {module:engine/model/schema~Schema} schema\n * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n * @returns {'imageBlock'|'imageInline'}\n */\nexport function determineImageTypeForInsertionAtSelection( schema, selection ) {\n\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\t// Insert a block image if the selection is not in/on block elements or it's on a block widget.\n\tif ( !firstBlock || schema.isObject( firstBlock ) ) {\n\t\treturn 'imageBlock';\n\t}\n\n\t// A block image should also be inserted into an empty block element\n\t// (that is not an empty list item so the list won't get split).\n\tif ( firstBlock.isEmpty && firstBlock.name != 'listItem' ) {\n\t\treturn 'imageBlock';\n\t}\n\n\t// Otherwise insert an inline image.\n\treturn 'imageInline';\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageutils\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { findOptimalInsertionRange, isWidget, toWidget } from 'ckeditor5/src/widget';\nimport { determineImageTypeForInsertionAtSelection } from './image/utils';\n\n/**\n * A set of helpers related to images.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUtils extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageUtils';\n\t}\n\n\t/**\n\t * Checks if the provided model element is an `image` or `imageInline`.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement\n\t * @returns {Boolean}\n\t */\n\tisImage( modelElement ) {\n\t\treturn this.isInlineImage( modelElement ) || this.isBlockImage( modelElement );\n\t}\n\n\t/**\n\t * Checks if the provided view element represents an inline image.\n\t *\n\t * Also, see {@link module:image/imageutils~ImageUtils#isImageWidget}.\n\t *\n\t * @param {module:engine/view/element~Element} element\n\t * @returns {Boolean}\n\t */\n\tisInlineImageView( element ) {\n\t\treturn !!element && element.is( 'element', 'img' );\n\t}\n\n\t/**\n\t * Checks if the provided view element represents a block image.\n\t *\n\t * Also, see {@link module:image/imageutils~ImageUtils#isImageWidget}.\n\t *\n\t * @param {module:engine/view/element~Element} element\n\t * @returns {Boolean}\n\t */\n\tisBlockImageView( element ) {\n\t\treturn !!element && element.is( 'element', 'figure' ) && element.hasClass( 'image' );\n\t}\n\n\t/**\n\t * Handles inserting single file. This method unifies image insertion using {@link module:widget/utils~findOptimalInsertionRange}\n\t * method.\n\t *\n\t *\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t *\n\t *\t\timageUtils.insertImage( { src: 'path/to/image.jpg' } );\n\t *\n\t * @param {Object} [attributes={}] Attributes of the inserted image.\n\t * This method filters out the attributes which are disallowed by the {@link module:engine/model/schema~Schema}.\n\t * @param {module:engine/model/selection~Selectable} [selectable] Place to insert the image. If not specified,\n\t * the {@link module:widget/utils~findOptimalInsertionRange} logic will be applied for the block images\n\t * and `model.document.selection` for the inline images.\n\t *\n\t * **Note**: If `selectable` is passed, this helper will not be able to set selection attributes (such as `linkHref`)\n\t * and apply them to the new image. In this case, make sure all selection attributes are passed in `attributes`.\n\t *\n\t * @param {'imageBlock'|'imageInline'} [imageType] Image type of inserted image. If not specified,\n\t * it will be determined automatically depending of editor config or place of the insertion.\n\t * @return {module:engine/view/element~Element|null} The inserted model image element.\n\t */\n\tinsertImage( attributes = {}, selectable = null, imageType = null ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst selection = model.document.selection;\n\n\t\timageType = determineImageTypeForInsertion( editor, selectable || selection, imageType );\n\n\t\t// Mix declarative attributes with selection attributes because the new image should \"inherit\"\n\t\t// the latter for best UX. For instance, inline images inserted into existing links\n\t\t// should not split them. To do that, they need to have \"linkHref\" inherited from the selection.\n\t\tattributes = {\n\t\t\t...Object.fromEntries( selection.getAttributes() ),\n\t\t\t...attributes\n\t\t};\n\n\t\tfor ( const attributeName in attributes ) {\n\t\t\tif ( !model.schema.checkAttribute( imageType, attributeName ) ) {\n\t\t\t\tdelete attributes[ attributeName ];\n\t\t\t}\n\t\t}\n\n\t\treturn model.change( writer => {\n\t\t\tconst imageElement = writer.createElement( imageType, attributes );\n\n\t\t\t// If we want to insert a block image (for whatever reason) then we don't want to split text blocks.\n\t\t\t// This applies only when we don't have the selectable specified (i.e., we insert multiple block images at once).\n\t\t\tif ( !selectable && imageType != 'imageInline' ) {\n\t\t\t\tselectable = findOptimalInsertionRange( selection, model );\n\t\t\t}\n\n\t\t\tmodel.insertContent( imageElement, selectable );\n\n\t\t\t// Inserting an image might've failed due to schema regulations.\n\t\t\tif ( imageElement.parent ) {\n\t\t\t\twriter.setSelection( imageElement, 'on' );\n\n\t\t\t\treturn imageElement;\n\t\t\t}\n\n\t\t\treturn null;\n\t\t} );\n\t}\n\n\t/**\n\t * Returns an image widget editing view element if one is selected or is among the selection's ancestors.\n\t *\n\t * @protected\n\t * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} selection\n\t * @returns {module:engine/view/element~Element|null}\n\t */\n\tgetClosestSelectedImageWidget( selection ) {\n\t\tconst viewElement = selection.getSelectedElement();\n\n\t\tif ( viewElement && this.isImageWidget( viewElement ) ) {\n\t\t\treturn viewElement;\n\t\t}\n\n\t\tlet parent = selection.getFirstPosition().parent;\n\n\t\twhile ( parent ) {\n\t\t\tif ( parent.is( 'element' ) && this.isImageWidget( parent ) ) {\n\t\t\t\treturn parent;\n\t\t\t}\n\n\t\t\tparent = parent.parent;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns a image model element if one is selected or is among the selection's ancestors.\n\t *\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n\t * @returns {module:engine/model/element~Element|null}\n\t */\n\tgetClosestSelectedImageElement( selection ) {\n\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\treturn this.isImage( selectedElement ) ? selectedElement : selection.getFirstPosition().findAncestor( 'imageBlock' );\n\t}\n\n\t/**\n\t * Checks if image can be inserted at current model selection.\n\t *\n\t * @protected\n\t * @returns {Boolean}\n\t */\n\tisImageAllowed() {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\n\t\treturn isImageAllowedInParent( this.editor, selection ) && isNotInsideImage( selection );\n\t}\n\n\t/**\n\t * Converts a given {@link module:engine/view/element~Element} to an image widget:\n\t * * Adds a {@link module:engine/view/element~Element#_setCustomProperty custom property} allowing to recognize the image widget\n\t * element.\n\t * * Calls the {@link module:widget/utils~toWidget} function with the proper element's label creator.\n\t *\n\t * @protected\n\t * @param {module:engine/view/element~Element} viewElement\n\t * @param {module:engine/view/downcastwriter~DowncastWriter} writer An instance of the view writer.\n\t * @param {String} label The element's label. It will be concatenated with the image `alt` attribute if one is present.\n\t * @returns {module:engine/view/element~Element}\n\t */\n\ttoImageWidget( viewElement, writer, label ) {\n\t\twriter.setCustomProperty( 'image', true, viewElement );\n\n\t\tconst labelCreator = () => {\n\t\t\tconst imgElement = this.findViewImgElement( viewElement );\n\t\t\tconst altText = imgElement.getAttribute( 'alt' );\n\n\t\t\treturn altText ? `${ altText } ${ label }` : label;\n\t\t};\n\n\t\treturn toWidget( viewElement, writer, { label: labelCreator } );\n\t}\n\n\t/**\n\t * Checks if a given view element is an image widget.\n\t *\n\t * @protected\n\t * @param {module:engine/view/element~Element} viewElement\n\t * @returns {Boolean}\n\t */\n\tisImageWidget( viewElement ) {\n\t\treturn !!viewElement.getCustomProperty( 'image' ) && isWidget( viewElement );\n\t}\n\n\t/**\n\t * Checks if the provided model element is an `image`.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement\n\t * @returns {Boolean}\n\t */\n\tisBlockImage( modelElement ) {\n\t\treturn !!modelElement && modelElement.is( 'element', 'imageBlock' );\n\t}\n\n\t/**\n\t * Checks if the provided model element is an `imageInline`.\n\t *\n\t * @param {module:engine/model/element~Element} modelElement\n\t * @returns {Boolean}\n\t */\n\tisInlineImage( modelElement ) {\n\t\treturn !!modelElement && modelElement.is( 'element', 'imageInline' );\n\t}\n\n\t/**\n\t * Get the view `<img>` from another view element, e.g. a widget (`<figure class=\"image\">`), a link (`<a>`).\n\t *\n\t * The `<img>` can be located deep in other elements, so this helper performs a deep tree search.\n\t *\n\t * @param {module:engine/view/element~Element} figureView\n\t * @returns {module:engine/view/element~Element}\n\t */\n\tfindViewImgElement( figureView ) {\n\t\tif ( this.isInlineImageView( figureView ) ) {\n\t\t\treturn figureView;\n\t\t}\n\n\t\tconst editingView = this.editor.editing.view;\n\n\t\tfor ( const { item } of editingView.createRangeIn( figureView ) ) {\n\t\t\tif ( this.isInlineImageView( item ) ) {\n\t\t\t\treturn item;\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Checks if image is allowed by schema in optimal insertion parent.\n//\n// @private\n// @param {module:core/editor/editor~Editor} editor\n// @param {module:engine/model/selection~Selection} selection\n// @returns {Boolean}\nfunction isImageAllowedInParent( editor, selection ) {\n\tconst imageType = determineImageTypeForInsertion( editor, selection );\n\n\tif ( imageType == 'imageBlock' ) {\n\t\tconst parent = getInsertImageParent( selection, editor.model );\n\n\t\tif ( editor.model.schema.checkChild( parent, 'imageBlock' ) ) {\n\t\t\treturn true;\n\t\t}\n\t} else if ( editor.model.schema.checkChild( selection.focus, 'imageInline' ) ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n// Checks if selection is not placed inside an image (e.g. its caption).\n//\n// @private\n// @param {module:engine/model/selection~Selectable} selection\n// @returns {Boolean}\nfunction isNotInsideImage( selection ) {\n\treturn [ ...selection.focus.getAncestors() ].every( ancestor => !ancestor.is( 'element', 'imageBlock' ) );\n}\n\n// Returns a node that will be used to insert image with `model.insertContent`.\n//\n// @private\n// @param {module:engine/model/selection~Selection} selection\n// @param {module:engine/model/model~Model} model\n// @returns {module:engine/model/element~Element}\nfunction getInsertImageParent( selection, model ) {\n\tconst insertionRange = findOptimalInsertionRange( selection, model );\n\tconst parent = insertionRange.start.parent;\n\n\tif ( parent.isEmpty && !parent.is( 'element', '$root' ) ) {\n\t\treturn parent.parent;\n\t}\n\n\treturn parent;\n}\n\n// Determine image element type name depending on editor config or place of insertion.\n//\n// @private\n// @param {module:core/editor/editor~Editor} editor\n// @param {module:engine/model/selection~Selectable} selectable\n// @param {'imageBlock'|'imageInline'} [imageType] Image element type name. Used to force return of provided element name,\n// but only if there is proper plugin enabled.\n// @returns {'imageBlock'|'imageInline'} imageType\nfunction determineImageTypeForInsertion( editor, selectable, imageType ) {\n\tconst schema = editor.model.schema;\n\tconst configImageInsertType = editor.config.get( 'image.insert.type' );\n\n\tif ( !editor.plugins.has( 'ImageBlockEditing' ) ) {\n\t\treturn 'imageInline';\n\t}\n\n\tif ( !editor.plugins.has( 'ImageInlineEditing' ) ) {\n\t\treturn 'imageBlock';\n\t}\n\n\tif ( imageType ) {\n\t\treturn imageType;\n\t}\n\n\tif ( configImageInsertType === 'inline' ) {\n\t\treturn 'imageInline';\n\t}\n\n\tif ( configImageInsertType === 'block' ) {\n\t\treturn 'imageBlock';\n\t}\n\n\t// Try to replace the selected widget (e.g. another image).\n\tif ( selectable.is( 'selection' ) ) {\n\t\treturn determineImageTypeForInsertionAtSelection( schema, selectable );\n\t}\n\n\treturn schema.checkChild( selectable, 'imageInline' ) ? 'imageInline' : 'imageBlock';\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport { FileRepository } from 'ckeditor5/src/upload';\nimport { Command } from 'ckeditor5/src/core';\nimport { toArray } from 'ckeditor5/src/utils';\n\n/**\n * @module image/imageupload/uploadimagecommand\n */\n\n/**\n * The upload image command.\n *\n * The command is registered by the {@link module:image/imageupload/imageuploadediting~ImageUploadEditing} plugin as `uploadImage`\n * and it is also available via aliased `imageUpload` name.\n *\n * In order to upload an image at the current selection position\n * (according to the {@link module:widget/utils~findOptimalInsertionRange} algorithm),\n * execute the command and pass the native image file instance:\n *\n *\t\tthis.listenTo( editor.editing.view.document, 'clipboardInput', ( evt, data ) => {\n *\t\t\t// Assuming that only images were pasted:\n *\t\t\tconst images = Array.from( data.dataTransfer.files );\n *\n *\t\t\t// Upload the first image:\n *\t\t\teditor.execute( 'uploadImage', { file: images[ 0 ] } );\n *\t\t} );\n *\n * It is also possible to insert multiple images at once:\n *\n *\t\teditor.execute( 'uploadImage', {\n *\t\t\tfile: [\n *\t\t\t\tfile1,\n *\t\t\t\tfile2\n *\t\t\t]\n *\t\t} );\n *\n * @extends module:core/command~Command\n */\nexport default class UploadImageCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst selectedElement = editor.model.document.selection.getSelectedElement();\n\n\t\t// TODO: This needs refactoring.\n\t\tthis.isEnabled = imageUtils.isImageAllowed() || imageUtils.isImage( selectedElement );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} options Options for the executed command.\n\t * @param {File|Array.<File>} options.file The image file or an array of image files to upload.\n\t */\n\texecute( options ) {\n\t\tconst files = toArray( options.file );\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst imageUtils = this.editor.plugins.get( 'ImageUtils' );\n\n\t\t// In case of multiple files, each file (starting from the 2nd) will be inserted at a position that\n\t\t// follows the previous one. That will move the selection and, to stay on the safe side and make sure\n\t\t// all images inherit the same selection attributes, they are collected beforehand.\n\t\t//\n\t\t// Applying these attributes ensures, for instance, that inserting an (inline) image into a link does\n\t\t// not split that link but preserves its continuity.\n\t\t//\n\t\t// Note: Selection attributes that do not make sense for images will be filtered out by insertImage() anyway.\n\t\tconst selectionAttributes = Object.fromEntries( selection.getAttributes() );\n\n\t\tfiles.forEach( ( file, index ) => {\n\t\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\t\t// Inserting of an inline image replace the selected element and make a selection on the inserted image.\n\t\t\t// Therefore inserting multiple inline images requires creating position after each element.\n\t\t\tif ( index && selectedElement && imageUtils.isImage( selectedElement ) ) {\n\t\t\t\tconst position = this.editor.model.createPositionAfter( selectedElement );\n\n\t\t\t\tthis._uploadImage( file, selectionAttributes, position );\n\t\t\t} else {\n\t\t\t\tthis._uploadImage( file, selectionAttributes );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Handles uploading single file.\n\t *\n\t * @private\n\t * @param {File} file\n\t * @param {Object} attributes\n\t * @param {module:engine/model/position~Position} position\n\t */\n\t_uploadImage( file, attributes, position ) {\n\t\tconst editor = this.editor;\n\t\tconst fileRepository = editor.plugins.get( FileRepository );\n\t\tconst loader = fileRepository.createLoader( file );\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\t\t// Do not throw when upload adapter is not set. FileRepository will log an error anyway.\n\t\tif ( !loader ) {\n\t\t\treturn;\n\t\t}\n\n\t\timageUtils.insertImage( { ...attributes, uploadId: loader.id }, position );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload/imageuploadediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport { UpcastWriter } from 'ckeditor5/src/engine';\n\nimport { Notification } from 'ckeditor5/src/ui';\nimport { ClipboardPipeline } from 'ckeditor5/src/clipboard';\nimport { FileRepository } from 'ckeditor5/src/upload';\nimport { env } from 'ckeditor5/src/utils';\n\nimport ImageUtils from '../imageutils';\nimport UploadImageCommand from './uploadimagecommand';\nimport { fetchLocalImage, isLocalImage } from '../../src/imageupload/utils';\nimport { createImageTypeRegExp } from './utils';\n\n/**\n * The editing part of the image upload feature. It registers the `'uploadImage'` command\n * and the `imageUpload` command as an aliased name.\n *\n * When an image is uploaded, it fires the {@link ~ImageUploadEditing#event:uploadComplete `uploadComplete`} event\n * that allows adding custom attributes to the {@link module:engine/model/element~Element image element}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUploadEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ FileRepository, Notification, ClipboardPipeline, ImageUtils ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'ImageUploadEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'image', {\n\t\t\tupload: {\n\t\t\t\ttypes: [ 'jpeg', 'png', 'gif', 'bmp', 'webp', 'tiff' ]\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * An internal mapping of {@link module:upload/filerepository~FileLoader#id file loader UIDs} and\n\t\t * model elements during the upload.\n\t\t *\n\t\t * Model element of the uploaded image can change, for instance, when {@link module:image/image/imagetypecommand~ImageTypeCommand}\n\t\t * is executed as a result of adding caption or changing image style. As a result, the upload logic must keep track of the model\n\t\t * element (reference) and resolve the upload for the correct model element (instead of the one that landed in the `$graveyard`\n\t\t * after image type changed).\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @member {Map.<String,module:engine/model/element~Element>}\n\t\t */\n\t\tthis._uploadImageElements = new Map();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst doc = editor.model.document;\n\t\tconst conversion = editor.conversion;\n\t\tconst fileRepository = editor.plugins.get( FileRepository );\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst imageTypes = createImageTypeRegExp( editor.config.get( 'image.upload.types' ) );\n\t\tconst uploadImageCommand = new UploadImageCommand( editor );\n\n\t\t// Register `uploadImage` command and add `imageUpload` command as an alias for backward compatibility.\n\t\teditor.commands.add( 'uploadImage', uploadImageCommand );\n\t\teditor.commands.add( 'imageUpload', uploadImageCommand );\n\n\t\t// Register upcast converter for uploadId.\n\t\tconversion.for( 'upcast' )\n\t\t\t.attributeToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'img',\n\t\t\t\t\tkey: 'uploadId'\n\t\t\t\t},\n\t\t\t\tmodel: 'uploadId'\n\t\t\t} );\n\n\t\t// Handle pasted images.\n\t\t// For every image file, a new file loader is created and a placeholder image is\n\t\t// inserted into the content. Then, those images are uploaded once they appear in the model\n\t\t// (see Document#change listener below).\n\t\tthis.listenTo( editor.editing.view.document, 'clipboardInput', ( evt, data ) => {\n\t\t\t// Skip if non empty HTML data is included.\n\t\t\t// https://github.com/ckeditor/ckeditor5-upload/issues/68\n\t\t\tif ( isHtmlIncluded( data.dataTransfer ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst images = Array.from( data.dataTransfer.files ).filter( file => {\n\t\t\t\t// See https://github.com/ckeditor/ckeditor5-image/pull/254.\n\t\t\t\tif ( !file ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\treturn imageTypes.test( file.type );\n\t\t\t} );\n\n\t\t\tif ( !images.length ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tevt.stop();\n\n\t\t\teditor.model.change( writer => {\n\t\t\t\t// Set selection to paste target.\n\t\t\t\tif ( data.targetRanges ) {\n\t\t\t\t\twriter.setSelection( data.targetRanges.map( viewRange => editor.editing.mapper.toModelRange( viewRange ) ) );\n\t\t\t\t}\n\n\t\t\t\t// Upload images after the selection has changed in order to ensure the command's state is refreshed.\n\t\t\t\teditor.model.enqueueChange( () => {\n\t\t\t\t\teditor.execute( 'uploadImage', { file: images } );\n\t\t\t\t} );\n\t\t\t} );\n\t\t} );\n\n\t\t// Handle HTML pasted with images with base64 or blob sources.\n\t\t// For every image file, a new file loader is created and a placeholder image is\n\t\t// inserted into the content. Then, those images are uploaded once they appear in the model\n\t\t// (see Document#change listener below).\n\t\tthis.listenTo( editor.plugins.get( 'ClipboardPipeline' ), 'inputTransformation', ( evt, data ) => {\n\t\t\tconst fetchableImages = Array.from( editor.editing.view.createRangeIn( data.content ) )\n\t\t\t\t.filter( value => isLocalImage( imageUtils, value.item ) && !value.item.getAttribute( 'uploadProcessed' ) )\n\t\t\t\t.map( value => { return { promise: fetchLocalImage( value.item ), imageElement: value.item }; } );\n\n\t\t\tif ( !fetchableImages.length ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst writer = new UpcastWriter( editor.editing.view.document );\n\n\t\t\tfor ( const fetchableImage of fetchableImages ) {\n\t\t\t\t// Set attribute marking that the image was processed already.\n\t\t\t\twriter.setAttribute( 'uploadProcessed', true, fetchableImage.imageElement );\n\n\t\t\t\tconst loader = fileRepository.createLoader( fetchableImage.promise );\n\n\t\t\t\tif ( loader ) {\n\t\t\t\t\twriter.setAttribute( 'src', '', fetchableImage.imageElement );\n\t\t\t\t\twriter.setAttribute( 'uploadId', loader.id, fetchableImage.imageElement );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\t// Prevents from the browser redirecting to the dropped image.\n\t\teditor.editing.view.document.on( 'dragover', ( evt, data ) => {\n\t\t\tdata.preventDefault();\n\t\t} );\n\n\t\t// Upload placeholder images that appeared in the model.\n\t\tdoc.on( 'change', () => {\n\t\t\t// Note: Reversing changes to start with insertions and only then handle removals. If it was the other way around,\n\t\t\t// loaders for **all** images that land in the $graveyard would abort while in fact only those that were **not** replaced\n\t\t\t// by other images should be aborted.\n\t\t\tconst changes = doc.differ.getChanges( { includeChangesInGraveyard: true } ).reverse();\n\t\t\tconst insertedImagesIds = new Set();\n\n\t\t\tfor ( const entry of changes ) {\n\t\t\t\tif ( entry.type == 'insert' && entry.name != '$text' ) {\n\t\t\t\t\tconst item = entry.position.nodeAfter;\n\t\t\t\t\tconst isInsertedInGraveyard = entry.position.root.rootName == '$graveyard';\n\n\t\t\t\t\tfor ( const imageElement of getImagesFromChangeItem( editor, item ) ) {\n\t\t\t\t\t\t// Check if the image element still has upload id.\n\t\t\t\t\t\tconst uploadId = imageElement.getAttribute( 'uploadId' );\n\n\t\t\t\t\t\tif ( !uploadId ) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Check if the image is loaded on this client.\n\t\t\t\t\t\tconst loader = fileRepository.loaders.get( uploadId );\n\n\t\t\t\t\t\tif ( !loader ) {\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( isInsertedInGraveyard ) {\n\t\t\t\t\t\t\t// If the image was inserted to the graveyard for good (**not** replaced by another image),\n\t\t\t\t\t\t\t// only then abort the loading process.\n\t\t\t\t\t\t\tif ( !insertedImagesIds.has( uploadId ) ) {\n\t\t\t\t\t\t\t\tloader.abort();\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t// Remember the upload id of the inserted image. If it acted as a replacement for another\n\t\t\t\t\t\t\t// image (which landed in the $graveyard), the related loader will not be aborted because\n\t\t\t\t\t\t\t// this is still the same image upload.\n\t\t\t\t\t\t\tinsertedImagesIds.add( uploadId );\n\n\t\t\t\t\t\t\t// Keep the mapping between the upload ID and the image model element so the upload\n\t\t\t\t\t\t\t// can later resolve in the context of the correct model element. The model element could\n\t\t\t\t\t\t\t// change for the same upload if one image was replaced by another (e.g. image type was changed),\n\t\t\t\t\t\t\t// so this may also replace an existing mapping.\n\t\t\t\t\t\t\tthis._uploadImageElements.set( uploadId, imageElement );\n\n\t\t\t\t\t\t\tif ( loader.status == 'idle' ) {\n\t\t\t\t\t\t\t\t// If the image was inserted into content and has not been loaded yet, start loading it.\n\t\t\t\t\t\t\t\tthis._readAndUpload( loader );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\t// Set the default handler for feeding the image element with `src` and `srcset` attributes.\n\t\tthis.on( 'uploadComplete', ( evt, { imageElement, data } ) => {\n\t\t\tconst urls = data.urls ? data.urls : data;\n\n\t\t\tthis.editor.model.change( writer => {\n\t\t\t\twriter.setAttribute( 'src', urls.default, imageElement );\n\t\t\t\tthis._parseAndSetSrcsetAttributeOnImage( urls, imageElement, writer );\n\t\t\t} );\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst schema = this.editor.model.schema;\n\n\t\t// Setup schema to allow uploadId and uploadStatus for images.\n\t\t// Wait for ImageBlockEditing or ImageInlineEditing to register their elements first,\n\t\t// that's why doing this in afterInit() instead of init().\n\t\tif ( this.editor.plugins.has( 'ImageBlockEditing' ) ) {\n\t\t\tschema.extend( 'imageBlock', {\n\t\t\t\tallowAttributes: [ 'uploadId', 'uploadStatus' ]\n\t\t\t} );\n\t\t}\n\n\t\tif ( this.editor.plugins.has( 'ImageInlineEditing' ) ) {\n\t\t\tschema.extend( 'imageInline', {\n\t\t\t\tallowAttributes: [ 'uploadId', 'uploadStatus' ]\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Reads and uploads an image.\n\t *\n\t * The image is read from the disk and as a Base64-encoded string it is set temporarily to\n\t * `image[src]`. When the image is successfully uploaded, the temporary data is replaced with the target\n\t * image's URL (the URL to the uploaded image on the server).\n\t *\n\t * @protected\n\t * @param {module:upload/filerepository~FileLoader} loader\n\t * @returns {Promise}\n\t */\n\t_readAndUpload( loader ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst t = editor.locale.t;\n\t\tconst fileRepository = editor.plugins.get( FileRepository );\n\t\tconst notification = editor.plugins.get( Notification );\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst imageUploadElements = this._uploadImageElements;\n\n\t\tmodel.enqueueChange( { isUndoable: false }, writer => {\n\t\t\twriter.setAttribute( 'uploadStatus', 'reading', imageUploadElements.get( loader.id ) );\n\t\t} );\n\n\t\treturn loader.read()\n\t\t\t.then( () => {\n\t\t\t\tconst promise = loader.upload();\n\t\t\t\tconst imageElement = imageUploadElements.get( loader.id );\n\n\t\t\t\t// Force re–paint in Safari. Without it, the image will display with a wrong size.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5/issues/1975\n\t\t\t\t/* istanbul ignore next */\n\t\t\t\tif ( env.isSafari ) {\n\t\t\t\t\tconst viewFigure = editor.editing.mapper.toViewElement( imageElement );\n\t\t\t\t\tconst viewImg = imageUtils.findViewImgElement( viewFigure );\n\n\t\t\t\t\teditor.editing.view.once( 'render', () => {\n\t\t\t\t\t\t// Early returns just to be safe. There might be some code ran\n\t\t\t\t\t\t// in between the outer scope and this callback.\n\t\t\t\t\t\tif ( !viewImg.parent ) {\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst domFigure = editor.editing.view.domConverter.mapViewToDom( viewImg.parent );\n\n\t\t\t\t\t\tif ( !domFigure ) {\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst originalDisplay = domFigure.style.display;\n\n\t\t\t\t\t\tdomFigure.style.display = 'none';\n\n\t\t\t\t\t\t// Make sure this line will never be removed during minification for having \"no effect\".\n\t\t\t\t\t\tdomFigure._ckHack = domFigure.offsetHeight;\n\n\t\t\t\t\t\tdomFigure.style.display = originalDisplay;\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t\tmodel.enqueueChange( { isUndoable: false }, writer => {\n\t\t\t\t\twriter.setAttribute( 'uploadStatus', 'uploading', imageElement );\n\t\t\t\t} );\n\n\t\t\t\treturn promise;\n\t\t\t} )\n\t\t\t.then( data => {\n\t\t\t\tmodel.enqueueChange( { isUndoable: false }, writer => {\n\t\t\t\t\tconst imageElement = imageUploadElements.get( loader.id );\n\n\t\t\t\t\twriter.setAttribute( 'uploadStatus', 'complete', imageElement );\n\n\t\t\t\t\t/**\n\t\t\t\t\t * An event fired when an image is uploaded. You can hook into this event to provide\n\t\t\t\t\t * custom attributes to the {@link module:engine/model/element~Element image element} based on the data from\n\t\t\t\t\t * the server.\n\t\t\t\t\t *\n\t\t\t\t\t * \t\tconst imageUploadEditing = editor.plugins.get( 'ImageUploadEditing' );\n\t\t\t\t\t *\n\t\t\t\t\t * \t\timageUploadEditing.on( 'uploadComplete', ( evt, { data, imageElement } ) => {\n\t\t\t\t\t * \t\t\teditor.model.change( writer => {\n\t\t\t\t\t * \t\t\t\twriter.setAttribute( 'someAttribute', 'foo', imageElement );\n\t\t\t\t\t * \t\t\t} );\n\t\t\t\t\t * \t\t} );\n\t\t\t\t\t *\n\t\t\t\t\t * You can also stop the default handler that sets the `src` and `srcset` attributes\n\t\t\t\t\t * if you want to provide custom values for these attributes.\n\t\t\t\t\t *\n\t\t\t\t\t * \t\timageUploadEditing.on( 'uploadComplete', ( evt, { data, imageElement } ) => {\n\t\t\t\t\t * \t\t\tevt.stop();\n\t\t\t\t\t * \t\t} );\n\t\t\t\t\t *\n\t\t\t\t\t * **Note**: This event is fired by the {@link module:image/imageupload/imageuploadediting~ImageUploadEditing} plugin.\n\t\t\t\t\t *\n\t\t\t\t\t * @event uploadComplete\n\t\t\t\t\t * @param {Object} data The `uploadComplete` event data.\n\t\t\t\t\t * @param {Object} data.data The data coming from the upload adapter.\n\t\t\t\t\t * @param {module:engine/model/element~Element} data.imageElement The\n\t\t\t\t\t * model {@link module:engine/model/element~Element image element} that can be customized.\n\t\t\t\t\t */\n\t\t\t\t\tthis.fire( 'uploadComplete', { data, imageElement } );\n\t\t\t\t} );\n\n\t\t\t\tclean();\n\t\t\t} )\n\t\t\t.catch( error => {\n\t\t\t\t// If status is not 'error' nor 'aborted' - throw error because it means that something else went wrong,\n\t\t\t\t// it might be generic error and it would be real pain to find what is going on.\n\t\t\t\tif ( loader.status !== 'error' && loader.status !== 'aborted' ) {\n\t\t\t\t\tthrow error;\n\t\t\t\t}\n\n\t\t\t\t// Might be 'aborted'.\n\t\t\t\tif ( loader.status == 'error' && error ) {\n\t\t\t\t\tnotification.showWarning( error, {\n\t\t\t\t\t\ttitle: t( 'Upload failed' ),\n\t\t\t\t\t\tnamespace: 'upload'\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t\t// Permanently remove image from insertion batch.\n\t\t\t\tmodel.enqueueChange( { isUndoable: false }, writer => {\n\t\t\t\t\twriter.remove( imageUploadElements.get( loader.id ) );\n\t\t\t\t} );\n\n\t\t\t\tclean();\n\t\t\t} );\n\n\t\tfunction clean() {\n\t\t\tmodel.enqueueChange( { isUndoable: false }, writer => {\n\t\t\t\tconst imageElement = imageUploadElements.get( loader.id );\n\n\t\t\t\twriter.removeAttribute( 'uploadId', imageElement );\n\t\t\t\twriter.removeAttribute( 'uploadStatus', imageElement );\n\n\t\t\t\timageUploadElements.delete( loader.id );\n\t\t\t} );\n\n\t\t\tfileRepository.destroyLoader( loader );\n\t\t}\n\t}\n\n\t/**\n\t * Creates the `srcset` attribute based on a given file upload response and sets it as an attribute to a specific image element.\n\t *\n\t * @protected\n\t * @param {Object} data Data object from which `srcset` will be created.\n\t * @param {module:engine/model/element~Element} image The image element on which the `srcset` attribute will be set.\n\t * @param {module:engine/model/writer~Writer} writer\n\t */\n\t_parseAndSetSrcsetAttributeOnImage( data, image, writer ) {\n\t\t// Srcset attribute for responsive images support.\n\t\tlet maxWidth = 0;\n\n\t\tconst srcsetAttribute = Object.keys( data )\n\t\t\t// Filter out keys that are not integers.\n\t\t\t.filter( key => {\n\t\t\t\tconst width = parseInt( key, 10 );\n\n\t\t\t\tif ( !isNaN( width ) ) {\n\t\t\t\t\tmaxWidth = Math.max( maxWidth, width );\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t} )\n\n\t\t\t// Convert each key to srcset entry.\n\t\t\t.map( key => `${ data[ key ] } ${ key }w` )\n\n\t\t\t// Join all entries.\n\t\t\t.join( ', ' );\n\n\t\tif ( srcsetAttribute != '' ) {\n\t\t\twriter.setAttribute( 'srcset', {\n\t\t\t\tdata: srcsetAttribute,\n\t\t\t\twidth: maxWidth\n\t\t\t}, image );\n\t\t}\n\t}\n}\n\n// Returns `true` if non-empty `text/html` is included in the data transfer.\n//\n// @param {module:clipboard/datatransfer~DataTransfer} dataTransfer\n// @returns {Boolean}\nexport function isHtmlIncluded( dataTransfer ) {\n\treturn Array.from( dataTransfer.types ).includes( 'text/html' ) && dataTransfer.getData( 'text/html' ) !== '';\n}\n\nfunction getImagesFromChangeItem( editor, item ) {\n\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\treturn Array.from( editor.model.createRangeOn( item ) )\n\t\t.filter( value => imageUtils.isImage( value.item ) )\n\t\t.map( value => value.item );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageupload\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageUploadUI from './imageupload/imageuploadui';\nimport ImageUploadProgress from './imageupload/imageuploadprogress';\nimport ImageUploadEditing from './imageupload/imageuploadediting';\n\n/**\n * The image upload plugin.\n *\n * For a detailed overview, check the {@glink features/images/image-upload/image-upload image upload feature} documentation.\n *\n * This plugin does not do anything directly, but it loads a set of specific plugins to enable image uploading:\n *\n * * {@link module:image/imageupload/imageuploadediting~ImageUploadEditing},\n * * {@link module:image/imageupload/imageuploadui~ImageUploadUI},\n * * {@link module:image/imageupload/imageuploadprogress~ImageUploadProgress}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageUpload extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageUpload';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageUploadEditing, ImageUploadUI, ImageUploadProgress ];\n\t}\n}\n\n/**\n * The image upload configuration.\n *\n * @member {module:image/imageupload~ImageUploadConfig} module:image/image~ImageConfig#upload\n */\n\n/**\n * The configuration of the image upload feature. Used by the image upload feature in the `@ckeditor/ckeditor5-image` package.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\timage: {\n * \t\t\t\t\tupload:  ... // Image upload feature options.\n * \t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface module:image/imageupload~ImageUploadConfig\n */\n\n/**\n * The list of accepted image types.\n *\n * The accepted types of images can be customized to allow only certain types of images:\n *\n *\t\t// Allow only JPEG and PNG images:\n *\t\tconst imageUploadConfig = {\n *\t\t\ttypes: [ 'png', 'jpeg' ]\n *\t\t};\n *\n * The type string should match [one of the sub-types](https://www.iana.org/assignments/media-types/media-types.xhtml#image)\n * of the image MIME type. For example, for the `image/jpeg` MIME type, add `'jpeg'` to your image upload configuration.\n *\n * **Note:** This setting only restricts some image types to be selected and uploaded through the CKEditor UI and commands. Image type\n * recognition and filtering should also be implemented on the server which accepts image uploads.\n *\n * @member {Array.<String>} module:image/imageupload~ImageUploadConfig#types\n * @default [ 'jpeg', 'png', 'gif', 'bmp', 'webp', 'tiff' ]\n */\n","const childPagesMacroSymbol = Symbol( 'isWpButtonMacroSymbol' );\nimport {toWidget, isWidget} from '@ckeditor/ckeditor5-widget/src/utils';\n\nexport function toChildPagesMacroWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( childPagesMacroSymbol, true, viewElement );\n\treturn toWidget( viewElement, writer, { label: label });\n}\n\n\nexport function isChildPagesMacroWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( childPagesMacroSymbol ) && isWidget( viewElement );\n}\n\n\nexport function isChildPagesMacroWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isChildPagesMacroWidget( viewElement ) );\n}\n","import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport ViewPosition from '@ckeditor/ckeditor5-engine/src/view/position';\nimport ViewRange from '@ckeditor/ckeditor5-engine/src/view/range';\n\nimport {toChildPagesMacroWidget} from './utils';\n\nexport default class OPChildPagesEditing extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPChildPagesEditing';\n\t}\n\n\tstatic get buttonName(){\n\t\treturn \"insertChildPages\";\n\t}\n\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst conversion = editor.conversion;\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'op-macro-child-pages', {\n\t\t\tallowWhere: ['$block'],\n\t\t\tallowAttributes: ['page'],\n\t\t\tisBlock: true,\n\t\t\tisLimit: true\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'macro',\n\t\t\t\t\tclasses: 'child_pages'\n\t\t\t\t},\n\t\t\t\tmodel: ( viewElement, {writer:modelWriter} ) => {\n\t\t\t\t\tconst page = viewElement.getAttribute( 'data-page' ) || '';\n\t\t\t\t\tconst includeParent = viewElement.getAttribute( 'data-include-parent' ) == 'true';\n\n\t\t\t\t\treturn modelWriter.createElement(\n\t\t\t\t\t\t'op-macro-child-pages',\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tpage: page,\n\t\t\t\t\t\t\tincludeParent: includeParent\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t} );\n\n\n\t\tconversion.for( 'editingDowncast' )\n\t\t\t.elementToElement({\n\t\t\t\tmodel: 'op-macro-child-pages',\n\t\t\t\tview: (modelElement, {writer}) => {\n\t\t\t\t\treturn this.createMacroViewElement(modelElement, writer);\n\t\t\t\t}\n\t\t\t})\n\t\t\t.add(dispatcher => dispatcher.on( 'attribute:page', this.modelAttributeToView.bind(this)))\n\t\t\t.add(dispatcher => dispatcher.on( 'attribute:includeParent', this.modelAttributeToView.bind(this)));\n\n\t\tconversion.for('dataDowncast').elementToElement({\n\t\t\tmodel: 'op-macro-child-pages',\n\t\t\tview: (modelElement, {writer}) => {\n\t\t\t\tconst element = writer.createContainerElement(\n\t\t\t\t\t'macro',\n\t\t\t\t\t{\n\t\t\t\t\t\t'class': 'child_pages',\n\t\t\t\t\t\t'data-page': modelElement.getAttribute('page') || '',\n\t\t\t\t\t\t'data-include-parent': modelElement.getAttribute('includeParent') || ''\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\treturn element;\n\t\t\t}\n\t\t});\n\n\t\teditor.ui.componentFactory.add( OPChildPagesEditing.buttonName, locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: window.I18n.t('js.editor.macro.child_pages.button'),\n\t\t\t\twithText: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\teditor.model.change(writer => {\n\t\t\t\t\tconst element = writer.createElement( 'op-macro-child-pages', {});\n\n\t\t\t\t\teditor.model.insertContent( element, editor.model.document.selection );\n\t\t\t\t});\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tmodelAttributeToView( evt, data, conversionApi ) {\n\t\tconst modelElement = data.item;\n\t\tif (!modelElement.is('element', 'op-macro-child-pages')) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Mark element as consumed by conversion.\n\t\tconversionApi.consumable.consume(data.item, evt.name);\n\n\t\t// Get mapped view element to update.\n\t\tconst viewElement = conversionApi.mapper.toViewElement(modelElement);\n\n\t\t// Remove current <div> element contents.\n\t\tconversionApi.writer.remove(conversionApi.writer.createRangeIn(viewElement));\n\n\t\t// Set current content\n\t\tthis.setPlaceholderContent(conversionApi.writer, modelElement, viewElement);\n\t}\n\n\tmacroLabel() {\n\t\treturn window.I18n.t('js.editor.macro.child_pages.text');\n\t}\n\n\tpageLabel(page) {\n\t\tif (page && page.length > 0) {\n\t\t\treturn page\n\t\t} else {\n\t\t\treturn window.I18n.t('js.editor.macro.child_pages.this_page');\n\t\t}\n\t}\n\n\tincludeParentText(includeParent) {\n\t\tif (includeParent) {\n\t\t\treturn ` (${window.I18n.t('js.editor.macro.child_pages.include_parent')})`;\n\t\t} else {\n\t\t\treturn '';\n\t\t}\n\t}\n\n\tcreateMacroViewElement(modelElement, writer) {\n\t\tconst placeholderContainer = writer.createContainerElement( 'div' );\n\n\t\tthis.setPlaceholderContent( writer, modelElement, placeholderContainer );\n\n\t\treturn toChildPagesMacroWidget(placeholderContainer, writer, { label: this.macroLabel() } )\n\t}\n\n\tsetPlaceholderContent(writer, modelElement, placeholderContainer ) {\n\t\tconst page = modelElement.getAttribute('page');\n\t\tconst includeParent = modelElement.getAttribute('includeParent');\n\t\tconst macroLabel = this.macroLabel();\n\t\tconst pageLabel = this.pageLabel(page);\n\t\tconst pageLabelContainer = writer.createContainerElement( 'span', { class: 'macro-value' } );\n\t\tlet placeholderContent = [ writer.createText( `${macroLabel} ` ) ];\n\t\twriter.insert( writer.createPositionAt( pageLabelContainer, 0 ), writer.createText( `${pageLabel}` ) )\n\t\tplaceholderContent.push( pageLabelContainer );\n\t\tplaceholderContent.push( writer.createText( this.includeParentText(includeParent) ));\n\n\t\twriter.insert( writer.createPositionAt( placeholderContainer, 0 ), placeholderContent );\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport {isChildPagesMacroWidgetSelected} from './utils';\nimport {createToolbarEditButton} from '../../helpers/create-toolbar-edit-button';\nimport {createEditToolbar} from '../../helpers/create-toolbar';\nimport {getPluginContext} from '../op-context/op-context';\n\n\nconst balloonClassName = 'ck-toolbar-container';\n\nexport default class OPChildPagesToolbar extends Plugin {\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPChildPagesToolbar';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Add editing button\n\t\tcreateToolbarEditButton( editor, 'opEditChildPagesMacroButton', widget => {\n\t\t\tconst macroService = pluginContext.services.macros;\n\t\t\tconst pageAttribute = widget.getAttribute('page');\n\t\t\tconst includeParent = widget.getAttribute('includeParent');\n\t\t\tconst page = (pageAttribute && pageAttribute.length > 0) ? pageAttribute : '';\n\t\t\tmacroService\n\t\t\t\t.configureChildPages(page, includeParent)\n\t\t\t\t.then((macroConf) => model.change(writer => {\n\t\t\t\t\t\twriter.setAttribute( 'page', macroConf.page, widget );\n\t\t\t\t\t\twriter.setAttribute( 'includeParent', macroConf.includeParent, widget );\n\t\t\t\t\t})\n\t\t\t\t);\n\t\t} );\n\t}\n\n\tafterInit() {\n\t\t// Add actual toolbar\n\t\tcreateEditToolbar(\n\t\t\tthis,\n\t\t\tthis.editor,\n\t\t\t'OPChildPages',\n\t\t\tisChildPagesMacroWidgetSelected\n\t\t);\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/shiftentercommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getCopyOnEnterAttributes } from './utils';\n\n/**\n * ShiftEnter command. It is used by the {@link module:enter/shiftenter~ShiftEnter ShiftEnter feature} to handle\n * the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke.\n *\n * @extends module:core/command~Command\n */\nexport default class ShiftEnterCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tmodel.change( writer => {\n\t\t\tsoftBreakAction( model, writer, doc.selection );\n\t\t\tthis.fire( 'afterExecute', { writer } );\n\t\t} );\n\t}\n\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tthis.isEnabled = isEnabled( model.schema, doc.selection );\n\t}\n}\n\n// Checks whether the ShiftEnter command should be enabled in the specified selection.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\nfunction isEnabled( schema, selection ) {\n\t// At this moment it is okay to support single range selections only.\n\t// But in the future we may need to change that.\n\tif ( selection.rangeCount > 1 ) {\n\t\treturn false;\n\t}\n\n\tconst anchorPos = selection.anchor;\n\n\t// Check whether the break element can be inserted in the current selection anchor.\n\tif ( !anchorPos || !schema.checkChild( anchorPos, 'softBreak' ) ) {\n\t\treturn false;\n\t}\n\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\n\t// Do not modify the content if selection is cross-limit elements.\n\tif ( ( isInsideLimitElement( startElement, schema ) || isInsideLimitElement( endElement, schema ) ) && startElement !== endElement ) {\n\t\treturn false;\n\t}\n\n\treturn true;\n}\n\n// Creates a break in the way that the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke is expected to work.\n//\n// @param {module:engine/model~Model} model\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// Selection on which the action should be performed.\nfunction softBreakAction( model, writer, selection ) {\n\tconst isSelectionEmpty = selection.isCollapsed;\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\tconst isContainedWithinOneElement = ( startElement == endElement );\n\n\tif ( isSelectionEmpty ) {\n\t\tconst attributesToCopy = getCopyOnEnterAttributes( model.schema, selection.getAttributes() );\n\t\tinsertBreak( model, writer, range.end );\n\n\t\twriter.removeSelectionAttribute( selection.getAttributeKeys() );\n\t\twriter.setSelectionAttribute( attributesToCopy );\n\t} else {\n\t\tconst leaveUnmerged = !( range.start.isAtStart && range.end.isAtEnd );\n\t\tmodel.deleteContent( selection, { leaveUnmerged } );\n\n\t\t// Selection within one element:\n\t\t//\n\t\t// <h>x[xx]x</h>\t\t-> <h>x^x</h>\t\t\t-> <h>x<br>^x</h>\n\t\tif ( isContainedWithinOneElement ) {\n\t\t\tinsertBreak( model, writer, selection.focus );\n\t\t}\n\t\t// Selection over multiple elements.\n\t\t//\n\t\t// <h>x[x</h><p>y]y<p>\t-> <h>x^</h><p>y</p>\t-> <h>x</h><p>^y</p>\n\t\t//\n\t\t// We chose not to insert a line break in this case because:\n\t\t//\n\t\t// * it's not a very common scenario,\n\t\t// * it actually surprised me when I saw the \"expected behavior\" in real life.\n\t\t//\n\t\t// It's ok if the user will need to be more specific where they want the <br> to be inserted.\n\t\telse {\n\t\t\t// Move the selection to the 2nd element (last step of the example above).\n\t\t\tif ( leaveUnmerged ) {\n\t\t\t\twriter.setSelection( endElement, 0 );\n\t\t\t}\n\t\t}\n\t}\n}\n\nfunction insertBreak( model, writer, position ) {\n\tconst breakLineElement = writer.createElement( 'softBreak' );\n\n\tmodel.insertContent( breakLineElement, position );\n\twriter.setSelection( breakLineElement, 'after' );\n}\n\n// Checks whether the specified `element` is a child of the limit element.\n//\n// Checking whether the `<p>` element is inside a limit element:\n//   - <$root><p>Text.</p></$root> => false\n//   - <$root><limitElement><p>Text</p></limitElement></$root> => true\n//\n// @param {module:engine/model/element~Element} element\n// @param {module:engine/schema~Schema} schema\n// @returns {Boolean}\nfunction isInsideLimitElement( element, schema ) {\n\t// `$root` is a limit element but in this case is an invalid element.\n\tif ( element.is( 'rootElement' ) ) {\n\t\treturn false;\n\t}\n\n\treturn schema.isLimit( element ) || isInsideLimitElement( element.parent, schema );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/shiftenter\n */\n\nimport ShiftEnterCommand from './shiftentercommand';\nimport EnterObserver from './enterobserver';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * This plugin handles the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke (soft line break) in the editor.\n *\n * See also the {@link module:enter/enter~Enter} plugin.\n *\n * For more information about this feature see the {@glink api/enter package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ShiftEnter extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ShiftEnter';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// Configure the schema.\n\t\tschema.register( 'softBreak', {\n\t\t\tallowWhere: '$text',\n\t\t\tisInline: true\n\t\t} );\n\n\t\t// Configure converters.\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'softBreak',\n\t\t\t\tview: 'br'\n\t\t\t} );\n\n\t\tconversion.for( 'downcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'softBreak',\n\t\t\t\tview: ( modelElement, { writer } ) => writer.createEmptyElement( 'br' )\n\t\t\t} );\n\n\t\tview.addObserver( EnterObserver );\n\n\t\teditor.commands.add( 'shiftEnter', new ShiftEnterCommand( editor ) );\n\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tdata.preventDefault();\n\n\t\t\t// The hard enter key is handled by the Enter plugin.\n\t\t\tif ( !data.isSoft ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\teditor.execute( 'shiftEnter' );\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module select-all/selectallcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\n/**\n * The select all command.\n *\n * It is used by the {@link module:select-all/selectallediting~SelectAllEditing select all editing feature} to handle\n * the <kbd>Ctrl/⌘</kbd>+<kbd>A</kbd> keystroke.\n *\n * Executing this command changes the {@glink framework/guides/architecture/editing-engine#model model}\n * selection so it contains the entire content of the editable root of the editor the selection is\n * {@link module:engine/model/selection~Selection#anchor anchored} in.\n *\n * If the selection was anchored in a {@glink framework/guides/tutorials/implementing-a-block-widget nested editable}\n * (e.g. a caption of an image), the new selection will contain its entire content. Successive executions of this command\n * will expand the selection to encompass more and more content up to the entire editable root of the editor.\n *\n * @extends module:core/command~Command\n */\nexport default class SelectAllCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t// It does not affect data so should be enabled in read-only mode.\n\t\tthis.affectsData = false;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tlet scopeElement = model.schema.getLimitElement( selection );\n\n\t\t// If an entire scope is selected, or the selection's ancestor is not a scope yet,\n\t\t// browse through ancestors to find the enclosing parent scope.\n\t\tif ( selection.containsEntireContent( scopeElement ) || !isSelectAllScope( model.schema, scopeElement ) ) {\n\t\t\tdo {\n\t\t\t\tscopeElement = scopeElement.parent;\n\n\t\t\t\t// Do nothing, if the entire `root` is already selected.\n\t\t\t\tif ( !scopeElement ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t} while ( !isSelectAllScope( model.schema, scopeElement ) );\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setSelection( scopeElement, 'in' );\n\t\t} );\n\t}\n}\n\n// Checks whether the element is a valid select-all scope.\n// Returns true, if the element is a {@link module:engine/model/schema~Schema#isLimit limit},\n// and can contain any text or paragraph.\n//\n// @param {module:engine/model/schema~Schema} schema The schema to check against.\n// @param {module:engine/model/element~Element} element\n// @return {Boolean}\nfunction isSelectAllScope( schema, element ) {\n\treturn schema.isLimit( element ) && ( schema.checkChild( element, '$text' ) || schema.checkChild( element, 'paragraph' ) );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module select-all/selectallediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport { getCode, parseKeystroke } from '@ckeditor/ckeditor5-utils/src/keyboard';\nimport SelectAllCommand from './selectallcommand';\n\nconst SELECT_ALL_KEYSTROKE = parseKeystroke( 'Ctrl+A' );\n\n/**\n * The select all editing feature.\n *\n * It registers the `'selectAll'` {@link module:select-all/selectallcommand~SelectAllCommand command}\n * and the <kbd>Ctrl/⌘</kbd>+<kbd>A</kbd> keystroke listener which executes it.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class SelectAllEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'SelectAllEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\teditor.commands.add( 'selectAll', new SelectAllCommand( editor ) );\n\n\t\tthis.listenTo( viewDocument, 'keydown', ( eventInfo, domEventData ) => {\n\t\t\tif ( getCode( domEventData ) === SELECT_ALL_KEYSTROKE ) {\n\t\t\t\teditor.execute( 'selectAll' );\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module select-all/selectallui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport selectAllIcon from '../theme/icons/select-all.svg';\n\n/**\n * The select all UI feature.\n *\n * It registers the `'selectAll'` UI button in the editor's\n * {@link module:ui/componentfactory~ComponentFactory component factory}. When clicked, the button\n * executes the {@link module:select-all/selectallcommand~SelectAllCommand select all command}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class SelectAllUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'SelectAllUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\teditor.ui.componentFactory.add( 'selectAll', locale => {\n\t\t\tconst command = editor.commands.get( 'selectAll' );\n\t\t\tconst view = new ButtonView( locale );\n\t\t\tconst t = locale.t;\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Select all' ),\n\t\t\t\ticon: selectAllIcon,\n\t\t\t\tkeystroke: 'Ctrl+A',\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute the command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( 'selectAll' );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 20 20\\\"><path d=\\\"M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module select-all/selectall\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport SelectAllEditing from './selectallediting';\nimport SelectAllUI from './selectallui';\n\n/**\n * The select all feature.\n *\n * This is a \"glue\" plugin which loads the {@link module:select-all/selectallediting~SelectAllEditing select all editing feature}\n * and the {@link module:select-all/selectallui~SelectAllUI select all UI feature}.\n *\n * Please refer to the documentation of individual features to learn more.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class SelectAll extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ SelectAllEditing, SelectAllUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'SelectAll';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/inputcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\nimport ChangeBuffer from './utils/changebuffer';\n\n/**\n * The input command. Used by the {@link module:typing/input~Input input feature} to handle typing.\n *\n * @extends module:core/command~Command\n */\nexport default class InputCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {Number} undoStepSize The maximum number of atomic changes\n\t * which can be contained in one batch in the command buffer.\n\t */\n\tconstructor( editor, undoStepSize ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * Typing's change buffer used to group subsequent changes into batches.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {module:typing/utils/changebuffer~ChangeBuffer} #_buffer\n\t\t */\n\t\tthis._buffer = new ChangeBuffer( editor.model, undoStepSize );\n\t}\n\n\t/**\n\t * The current change buffer.\n\t *\n\t * @type {module:typing/utils/changebuffer~ChangeBuffer}\n\t */\n\tget buffer() {\n\t\treturn this._buffer;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis._buffer.destroy();\n\t}\n\n\t/**\n\t * Executes the input command. It replaces the content within the given range with the given text.\n\t * Replacing is a two step process, first the content within the range is removed and then the new text is inserted\n\t * at the beginning of the range (which after the removal is a collapsed range).\n\t *\n\t * @fires execute\n\t * @param {Object} [options] The command options.\n\t * @param {String} [options.text=''] The text to be inserted.\n\t * @param {module:engine/model/range~Range} [options.range] The range in which the text is inserted. Defaults\n\t * to the first range in the current selection.\n\t * @param {module:engine/model/range~Range} [options.resultRange] The range where the selection\n\t * should be placed after the insertion. If not specified, the selection will be placed right after\n\t * the inserted text.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst text = options.text || '';\n\t\tconst textInsertions = text.length;\n\t\tconst selection = options.range ? model.createSelection( options.range ) : doc.selection;\n\t\tconst resultRange = options.resultRange;\n\n\t\tmodel.enqueueChange( this._buffer.batch, writer => {\n\t\t\tthis._buffer.lock();\n\n\t\t\tmodel.deleteContent( selection );\n\n\t\t\tif ( text ) {\n\t\t\t\tmodel.insertContent( writer.createText( text, doc.selection.getAttributes() ), selection );\n\t\t\t}\n\n\t\t\tif ( resultRange ) {\n\t\t\t\twriter.setSelection( resultRange );\n\t\t\t} else if ( !selection.is( 'documentSelection' ) ) {\n\t\t\t\twriter.setSelection( selection );\n\t\t\t}\n\n\t\t\tthis._buffer.unlock();\n\n\t\t\tthis._buffer.input( textInsertions );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/injecttypingmutationshandling\n */\n\nimport diff from '@ckeditor/ckeditor5-utils/src/diff';\nimport DomConverter from '@ckeditor/ckeditor5-engine/src/view/domconverter';\n\nimport { getSingleTextNodeChange, containerChildrenMutated } from './utils';\n\n/**\n * Handles mutations caused by normal typing.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n */\nexport default function injectTypingMutationsHandling( editor ) {\n\teditor.editing.view.document.on( 'mutations', ( evt, mutations, viewSelection ) => {\n\t\tnew MutationHandler( editor ).handle( mutations, viewSelection );\n\t} );\n}\n\n/**\n * Helper class for translating DOM mutations into model changes.\n *\n * @private\n */\nclass MutationHandler {\n\t/**\n\t * Creates an instance of the mutation handler.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t */\n\tconstructor( editor ) {\n\t\t/**\n\t\t * Editor instance for which mutations are handled.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:core/editor/editor~Editor} #editor\n\t\t */\n\t\tthis.editor = editor;\n\n\t\t/**\n\t\t * The editing controller.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/controller/editingcontroller~EditingController} #editing\n\t\t */\n\t\tthis.editing = this.editor.editing;\n\t}\n\n\t/**\n\t * Handles given mutations.\n\t *\n\t * @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|\n\t * module:engine/view/observer/mutationobserver~MutatedChildren>} mutations\n\t * @param {module:engine/view/selection~Selection|null} viewSelection\n\t */\n\thandle( mutations, viewSelection ) {\n\t\tif ( containerChildrenMutated( mutations ) ) {\n\t\t\tthis._handleContainerChildrenMutations( mutations, viewSelection );\n\t\t} else {\n\t\t\tfor ( const mutation of mutations ) {\n\t\t\t\t// Fortunately it will never be both.\n\t\t\t\tthis._handleTextMutation( mutation, viewSelection );\n\t\t\t\tthis._handleTextNodeInsertion( mutation );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Handles situations when container's children mutated during input. This can happen when\n\t * the browser is trying to \"fix\" DOM in certain situations. For example, when the user starts to type\n\t * in `<p><a href=\"\"><i>Link{}</i></a></p>`, the browser might change the order of elements\n\t * to `<p><i><a href=\"\">Link</a>x{}</i></p>`. A similar situation happens when the spell checker\n\t * replaces a word wrapped with `<strong>` with a word wrapped with a `<b>` element.\n\t *\n\t * To handle such situations, the common DOM ancestor of all mutations is converted to the model representation\n\t * and then compared with the current model to calculate the proper text change.\n\t *\n\t * Note: Single text node insertion is handled in {@link #_handleTextNodeInsertion} and text node mutation is handled\n\t * in {@link #_handleTextMutation}).\n\t *\n\t * @private\n\t * @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|\n\t * module:engine/view/observer/mutationobserver~MutatedChildren>} mutations\n\t * @param {module:engine/view/selection~Selection|null} viewSelection\n\t */\n\t_handleContainerChildrenMutations( mutations, viewSelection ) {\n\t\t// Get common ancestor of all mutations.\n\t\tconst mutationsCommonAncestor = getMutationsContainer( mutations );\n\n\t\t// Quit if there is no common ancestor.\n\t\tif ( !mutationsCommonAncestor ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst domConverter = this.editor.editing.view.domConverter;\n\n\t\t// Get common ancestor in DOM.\n\t\tconst domMutationCommonAncestor = domConverter.mapViewToDom( mutationsCommonAncestor );\n\n\t\t// Create fresh DomConverter so it will not use existing mapping and convert current DOM to model.\n\t\t// This wouldn't be needed if DomConverter would allow to create fresh view without checking any mappings.\n\t\tconst freshDomConverter = new DomConverter( this.editor.editing.view.document );\n\t\tconst modelFromCurrentDom = this.editor.data.toModel(\n\t\t\tfreshDomConverter.domToView( domMutationCommonAncestor )\n\t\t).getChild( 0 );\n\n\t\t// Current model.\n\t\tconst currentModel = this.editor.editing.mapper.toModelElement( mutationsCommonAncestor );\n\n\t\t// If common ancestor is not mapped, do not do anything. It probably is a parent of another view element.\n\t\t// That means that we would need to diff model elements (see `if` below). Better return early instead of\n\t\t// trying to get a reasonable model ancestor. It will fell into the `if` below anyway.\n\t\t// This situation happens for example for lists. If `<ul>` is a common ancestor, `currentModel` is `undefined`\n\t\t// because `<ul>` is not mapped (`<li>`s are).\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/718.\n\t\tif ( !currentModel ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Get children from both ancestors.\n\t\tconst modelFromDomChildren = Array.from( modelFromCurrentDom.getChildren() );\n\t\tconst currentModelChildren = Array.from( currentModel.getChildren() );\n\n\t\t// Remove the last `<softBreak>` from the end of `modelFromDomChildren` if there is no `<softBreak>` in current model.\n\t\t// If the described scenario happened, it means that this is a bogus `<br />` added by a browser.\n\t\tconst lastDomChild = modelFromDomChildren[ modelFromDomChildren.length - 1 ];\n\t\tconst lastCurrentChild = currentModelChildren[ currentModelChildren.length - 1 ];\n\n\t\tconst isLastDomChildSoftBreak = lastDomChild && lastDomChild.is( 'element', 'softBreak' );\n\t\tconst isLastCurrentChildSoftBreak = lastCurrentChild && !lastCurrentChild.is( 'element', 'softBreak' );\n\n\t\tif ( isLastDomChildSoftBreak && isLastCurrentChildSoftBreak ) {\n\t\t\tmodelFromDomChildren.pop();\n\t\t}\n\n\t\tconst schema = this.editor.model.schema;\n\n\t\t// Skip situations when common ancestor has any container elements.\n\t\tif ( !isSafeForTextMutation( modelFromDomChildren, schema ) || !isSafeForTextMutation( currentModelChildren, schema ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Replace &nbsp; inserted by the browser with normal space. See comment in `_handleTextMutation`.\n\t\t// Replace non-texts with any character. This is potentially dangerous but passes in manual tests. The thing is\n\t\t// that we need to take care of proper indexes so we cannot simply remove non-text elements from the content.\n\t\t// By inserting a character we keep all the real texts on their indexes.\n\t\tconst newText = modelFromDomChildren.map( item => item.is( '$text' ) ? item.data : '@' ).join( '' ).replace( /\\u00A0/g, ' ' );\n\t\tconst oldText = currentModelChildren.map( item => item.is( '$text' ) ? item.data : '@' ).join( '' ).replace( /\\u00A0/g, ' ' );\n\n\t\t// Do nothing if mutations created same text.\n\t\tif ( oldText === newText ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst diffResult = diff( oldText, newText );\n\n\t\tconst { firstChangeAt, insertions, deletions } = calculateChanges( diffResult );\n\n\t\t// Try setting new model selection according to passed view selection.\n\t\tlet modelSelectionRange = null;\n\n\t\tif ( viewSelection ) {\n\t\t\tmodelSelectionRange = this.editing.mapper.toModelRange( viewSelection.getFirstRange() );\n\t\t}\n\n\t\tconst insertText = newText.substr( firstChangeAt, insertions );\n\t\tconst removeRange = this.editor.model.createRange(\n\t\t\tthis.editor.model.createPositionAt( currentModel, firstChangeAt ),\n\t\t\tthis.editor.model.createPositionAt( currentModel, firstChangeAt + deletions )\n\t\t);\n\n\t\tthis.editor.execute( 'input', {\n\t\t\ttext: insertText,\n\t\t\trange: removeRange,\n\t\t\tresultRange: modelSelectionRange\n\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_handleTextMutation( mutation, viewSelection ) {\n\t\tif ( mutation.type != 'text' ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Replace &nbsp; inserted by the browser with normal space.\n\t\t// We want only normal spaces in the model and in the view. Renderer and DOM Converter will be then responsible\n\t\t// for rendering consecutive spaces using &nbsp;, but the model and the view has to be clear.\n\t\t// Other feature may introduce inserting non-breakable space on specific key stroke (for example shift + space).\n\t\t// However then it will be handled outside of mutations, like enter key is.\n\t\t// The replacing is here because it has to be done before `diff` and `diffToChanges` functions, as they\n\t\t// take `newText` and compare it to (cleaned up) view.\n\t\t// It could also be done in mutation observer too, however if any outside plugin would like to\n\t\t// introduce additional events for mutations, they would get already cleaned up version (this may be good or not).\n\t\tconst newText = mutation.newText.replace( /\\u00A0/g, ' ' );\n\t\t// To have correct `diffResult`, we also compare view node text data with &nbsp; replaced by space.\n\t\tconst oldText = mutation.oldText.replace( /\\u00A0/g, ' ' );\n\n\t\t// Do nothing if mutations created same text.\n\t\tif ( oldText === newText ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst diffResult = diff( oldText, newText );\n\n\t\tconst { firstChangeAt, insertions, deletions } = calculateChanges( diffResult );\n\n\t\t// Try setting new model selection according to passed view selection.\n\t\tlet modelSelectionRange = null;\n\n\t\tif ( viewSelection ) {\n\t\t\tmodelSelectionRange = this.editing.mapper.toModelRange( viewSelection.getFirstRange() );\n\t\t}\n\n\t\t// Get the position in view and model where the changes will happen.\n\t\tconst viewPos = this.editing.view.createPositionAt( mutation.node, firstChangeAt );\n\t\tconst modelPos = this.editing.mapper.toModelPosition( viewPos );\n\t\tconst removeRange = this.editor.model.createRange( modelPos, modelPos.getShiftedBy( deletions ) );\n\t\tconst insertText = newText.substr( firstChangeAt, insertions );\n\n\t\tthis.editor.execute( 'input', {\n\t\t\ttext: insertText,\n\t\t\trange: removeRange,\n\t\t\tresultRange: modelSelectionRange\n\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_handleTextNodeInsertion( mutation ) {\n\t\tif ( mutation.type != 'children' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst change = getSingleTextNodeChange( mutation );\n\t\tconst viewPos = this.editing.view.createPositionAt( mutation.node, change.index );\n\t\tconst modelPos = this.editing.mapper.toModelPosition( viewPos );\n\t\tconst insertedText = change.values[ 0 ].data;\n\n\t\tthis.editor.execute( 'input', {\n\t\t\t// Replace &nbsp; inserted by the browser with normal space.\n\t\t\t// See comment in `_handleTextMutation`.\n\t\t\t// In this case we don't need to do this before `diff` because we diff whole nodes.\n\t\t\t// Just change &nbsp; in case there are some.\n\t\t\ttext: insertedText.replace( /\\u00A0/g, ' ' ),\n\t\t\trange: this.editor.model.createRange( modelPos )\n\t\t} );\n\t}\n}\n\n// Returns first common ancestor of all mutations that is either {@link module:engine/view/containerelement~ContainerElement}\n// or {@link module:engine/view/rootelement~RootElement}.\n//\n// @private\n// @param {Array.<module:engine/view/observer/mutationobserver~MutatedText|\n// module:engine/view/observer/mutationobserver~MutatedChildren>} mutations\n// @returns {module:engine/view/containerelement~ContainerElement|engine/view/rootelement~RootElement|undefined}\nfunction getMutationsContainer( mutations ) {\n\tconst lca = mutations\n\t\t.map( mutation => mutation.node )\n\t\t.reduce( ( commonAncestor, node ) => {\n\t\t\treturn commonAncestor.getCommonAncestor( node, { includeSelf: true } );\n\t\t} );\n\n\tif ( !lca ) {\n\t\treturn;\n\t}\n\n\t// We need to look for container and root elements only, so check all LCA's\n\t// ancestors (starting from itself).\n\treturn lca.getAncestors( { includeSelf: true, parentFirst: true } )\n\t\t.find( element => element.is( 'containerElement' ) || element.is( 'rootElement' ) );\n}\n\n// Returns true if provided array contains content that won't be problematic during diffing and text mutation handling.\n//\n// @param {Array.<module:engine/model/node~Node>} children\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction isSafeForTextMutation( children, schema ) {\n\treturn children.every( child => schema.isInline( child ) );\n}\n\n// Calculates first change index and number of characters that should be inserted and deleted starting from that index.\n//\n// @private\n// @param diffResult\n// @returns {{insertions: number, deletions: number, firstChangeAt: *}}\nfunction calculateChanges( diffResult ) {\n\t// Index where the first change happens. Used to set the position from which nodes will be removed and where will be inserted.\n\tlet firstChangeAt = null;\n\t// Index where the last change happens. Used to properly count how many characters have to be removed and inserted.\n\tlet lastChangeAt = null;\n\n\t// Get `firstChangeAt` and `lastChangeAt`.\n\tfor ( let i = 0; i < diffResult.length; i++ ) {\n\t\tconst change = diffResult[ i ];\n\n\t\tif ( change != 'equal' ) {\n\t\t\tfirstChangeAt = firstChangeAt === null ? i : firstChangeAt;\n\t\t\tlastChangeAt = i;\n\t\t}\n\t}\n\n\t// How many characters, starting from `firstChangeAt`, should be removed.\n\tlet deletions = 0;\n\t// How many characters, starting from `firstChangeAt`, should be inserted.\n\tlet insertions = 0;\n\n\tfor ( let i = firstChangeAt; i <= lastChangeAt; i++ ) {\n\t\t// If there is no change (equal) or delete, the character is existing in `oldText`. We count it for removing.\n\t\tif ( diffResult[ i ] != 'insert' ) {\n\t\t\tdeletions++;\n\t\t}\n\n\t\t// If there is no change (equal) or insert, the character is existing in `newText`. We count it for inserting.\n\t\tif ( diffResult[ i ] != 'delete' ) {\n\t\t\tinsertions++;\n\t\t}\n\t}\n\n\treturn { insertions, deletions, firstChangeAt };\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/input\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport InputCommand from './inputcommand';\n\nimport injectUnsafeKeystrokesHandling from './utils/injectunsafekeystrokeshandling';\nimport injectTypingMutationsHandling from './utils/injecttypingmutationshandling';\n\n/**\n * Handles text input coming from the keyboard or other input methods.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Input extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Input';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// TODO The above default configuration value should be defined using editor.config.define() once it's fixed.\n\t\tconst inputCommand = new InputCommand( editor, editor.config.get( 'typing.undoStep' ) || 20 );\n\n\t\teditor.commands.add( 'input', inputCommand );\n\n\t\tinjectUnsafeKeystrokesHandling( editor );\n\t\tinjectTypingMutationsHandling( editor );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/typing\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Input from './input';\nimport Delete from './delete';\n\n/**\n * The typing feature. It handles typing.\n *\n * This is a \"glue\" plugin which loads the {@link module:typing/input~Input} and {@link module:typing/delete~Delete}\n * plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Typing extends Plugin {\n\tstatic get requires() {\n\t\treturn [ Input, Delete ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Typing';\n\t}\n}\n\n/**\n * The configuration of the typing features. Used by the features from the `@ckeditor/ckeditor5-typing` package.\n *\n * Read more in {@link module:typing/typing~TypingConfig}.\n *\n * @member {module:typing/typing~TypingConfig} module:core/editor/editorconfig~EditorConfig#typing\n */\n\n/**\n * The configuration of the typing features. Used by the typing features in `@ckeditor/ckeditor5-typing` package.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\ttyping: ... // Typing feature options.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface TypingConfig\n */\n\n/**\n * The granularity of undo/redo for typing and deleting. The value `20` means (more or less) that a new undo step\n * is created every 20 characters are inserted or deleted.\n *\n * @member {Number} [module:typing/typing~TypingConfig#undoStep=20]\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/getlasttextline\n */\n\n/**\n * Returns the last text line from the given range.\n *\n * \"The last text line\" is understood as text (from one or more text nodes) which is limited either by a parent block\n * or by inline elements (e.g. `<softBreak>`).\n *\n *\t\tconst rangeToCheck = model.createRange(\n *\t\t\tmodel.createPositionAt( paragraph, 0 ),\n *\t\t\tmodel.createPositionAt( paragraph, 'end' )\n *\t\t);\n *\n *\t\tconst { text, range } = getLastTextLine( rangeToCheck, model );\n *\n * For model below, the returned `text` will be \"Foo bar baz\" and `range` will be set on whole `<paragraph>` content:\n *\n *\t\t<paragraph>Foo bar baz<paragraph>\n *\n * However, in below case, `text` will be set to \"baz\" and `range` will be set only on \"baz\".\n *\n *\t\t<paragraph>Foo<softBreak></softBreak>bar<softBreak></softBreak>baz<paragraph>\n *\n * @protected\n * @param {module:engine/model/range~Range} range\n * @param {module:engine/model/model~Model} model\n * @returns {module:typing/utils/getlasttextline~LastTextLineData}\n */\nexport default function getLastTextLine( range, model ) {\n\tlet start = range.start;\n\n\tconst text = Array.from( range.getItems() ).reduce( ( rangeText, node ) => {\n\t\t// Trim text to a last occurrence of an inline element and update range start.\n\t\tif ( !( node.is( '$text' ) || node.is( '$textProxy' ) ) ) {\n\t\t\tstart = model.createPositionAfter( node );\n\n\t\t\treturn '';\n\t\t}\n\n\t\treturn rangeText + node.data;\n\t}, '' );\n\n\treturn { text, range: model.createRange( start, range.end ) };\n}\n\n/**\n * The value returned by {@link module:typing/utils/getlasttextline~getLastTextLine}.\n *\n * @typedef {Object} module:typing/utils/getlasttextline~LastTextLineData\n *\n * @property {String} text The text from the text nodes in the last text line.\n * @property {module:engine/model/range~Range} range The range set on the text nodes in the last text line.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/textwatcher\n */\n\nimport mix from '@ckeditor/ckeditor5-utils/src/mix';\nimport ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';\nimport getLastTextLine from './utils/getlasttextline';\n\n/**\n * The text watcher feature.\n *\n * Fires the {@link module:typing/textwatcher~TextWatcher#event:matched:data `matched:data`},\n * {@link module:typing/textwatcher~TextWatcher#event:matched:selection `matched:selection`} and\n * {@link module:typing/textwatcher~TextWatcher#event:unmatched `unmatched`} events on typing or selection changes.\n *\n * @private\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class TextWatcher {\n\t/**\n\t * Creates a text watcher instance.\n\t *\n\t * @param {module:engine/model/model~Model} model\n\t * @param {Function} testCallback See {@link module:typing/textwatcher~TextWatcher#testCallback}.\n\t */\n\tconstructor( model, testCallback ) {\n\t\t/**\n\t\t * The editor's model.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/model~Model}\n\t\t */\n\t\tthis.model = model;\n\n\t\t/**\n\t\t * The function used to match the text.\n\t\t *\n\t\t * The test callback can return 3 values:\n\t\t *\n\t\t * * `false` if there is no match,\n\t\t * * `true` if there is a match,\n\t\t * * an object if there is a match and we want to pass some additional information to the {@link #event:matched:data} event.\n\t\t *\n\t\t * @member {Function} #testCallback\n\t\t * @returns {Object} testResult\n\t\t */\n\t\tthis.testCallback = testCallback;\n\n\t\t/**\n\t\t * Whether there is a match currently.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis.hasMatch = false;\n\n\t\t/**\n\t\t * Flag indicating whether the `TextWatcher` instance is enabled or disabled.\n\t\t * A disabled TextWatcher will not evaluate text.\n\t\t *\n\t\t * To disable TextWatcher:\n\t\t *\n\t\t *\t\tconst watcher = new TextWatcher( editor.model, testCallback );\n\t\t *\n\t\t *\t\t// After this a testCallback will not be called.\n\t\t *\t\twatcher.isEnabled = false;\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\t\tthis.set( 'isEnabled', true );\n\n\t\t// Toggle text watching on isEnabled state change.\n\t\tthis.on( 'change:isEnabled', () => {\n\t\t\tif ( this.isEnabled ) {\n\t\t\t\tthis._startListening();\n\t\t\t} else {\n\t\t\t\tthis.stopListening( model.document.selection );\n\t\t\t\tthis.stopListening( model.document );\n\t\t\t}\n\t\t} );\n\n\t\tthis._startListening();\n\t}\n\n\t/**\n\t * Starts listening to the editor for typing and selection events.\n\t *\n\t * @private\n\t */\n\t_startListening() {\n\t\tconst model = this.model;\n\t\tconst document = model.document;\n\n\t\tthis.listenTo( document.selection, 'change:range', ( evt, { directChange } ) => {\n\t\t\t// Indirect changes (i.e. when the user types or external changes are applied) are handled in the document's change event.\n\t\t\tif ( !directChange ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Act only on collapsed selection.\n\t\t\tif ( !document.selection.isCollapsed ) {\n\t\t\t\tif ( this.hasMatch ) {\n\t\t\t\t\tthis.fire( 'unmatched' );\n\t\t\t\t\tthis.hasMatch = false;\n\t\t\t\t}\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._evaluateTextBeforeSelection( 'selection' );\n\t\t} );\n\n\t\tthis.listenTo( document, 'change:data', ( evt, batch ) => {\n\t\t\tif ( batch.isUndo || !batch.isLocal ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._evaluateTextBeforeSelection( 'data', { batch } );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the editor content for matched text.\n\t *\n\t * @fires matched:data\n\t * @fires matched:selection\n\t * @fires unmatched\n\t *\n\t * @private\n\t * @param {'data'|'selection'} suffix A suffix used for generating the event name.\n\t * @param {Object} data Data object for event.\n\t */\n\t_evaluateTextBeforeSelection( suffix, data = {} ) {\n\t\tconst model = this.model;\n\t\tconst document = model.document;\n\t\tconst selection = document.selection;\n\n\t\tconst rangeBeforeSelection = model.createRange( model.createPositionAt( selection.focus.parent, 0 ), selection.focus );\n\n\t\tconst { text, range } = getLastTextLine( rangeBeforeSelection, model );\n\n\t\tconst testResult = this.testCallback( text );\n\n\t\tif ( !testResult && this.hasMatch ) {\n\t\t\tthis.fire( 'unmatched' );\n\t\t}\n\n\t\tthis.hasMatch = !!testResult;\n\n\t\tif ( testResult ) {\n\t\t\tconst eventData = Object.assign( data, { text, range } );\n\n\t\t\t// If the test callback returns an object with additional data, assign the data as well.\n\t\t\tif ( typeof testResult == 'object' ) {\n\t\t\t\tObject.assign( eventData, testResult );\n\t\t\t}\n\n\t\t\tthis.fire( `matched:${ suffix }`, eventData );\n\t\t}\n\t}\n}\n\nmix( TextWatcher, ObservableMixin );\n\n/**\n * Fired whenever the text watcher found a match for data changes.\n *\n * @event matched:data\n * @param {Object} data Event data.\n * @param {String} data.text The full text before selection to which the regexp was applied.\n * @param {module:engine/model/range~Range} data.range The range representing the position of the `data.text`.\n * @param {Object} [data.testResult] The additional data returned from the {@link module:typing/textwatcher~TextWatcher#testCallback}.\n */\n\n/**\n * Fired whenever the text watcher found a match for selection changes.\n *\n * @event matched:selection\n * @param {Object} data Event data.\n * @param {String} data.text The full text before selection.\n * @param {module:engine/model/range~Range} data.range The range representing the position of the `data.text`.\n * @param {Object} [data.testResult] The additional data returned from the {@link module:typing/textwatcher~TextWatcher#testCallback}.\n */\n\n/**\n * Fired whenever the text does not match anymore. Fired only when the text watcher found a match.\n *\n * @event unmatched\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/twostepcaretmovement\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * This plugin enables the two-step caret (phantom) movement behavior for\n * {@link module:typing/twostepcaretmovement~TwoStepCaretMovement#registerAttribute registered attributes}\n * on arrow right (<kbd>→</kbd>) and left (<kbd>←</kbd>) key press.\n *\n * Thanks to this (phantom) caret movement the user is able to type before/after as well as at the\n * beginning/end of an attribute.\n *\n * **Note:** This plugin support right–to–left (Arabic, Hebrew, etc.) content by mirroring its behavior\n * but for the sake of simplicity examples showcase only left–to–right use–cases.\n *\n * # Forward movement\n *\n * ## \"Entering\" an attribute:\n *\n * When this plugin is enabled and registered for the `a` attribute and the selection is right before it\n * (at the attribute boundary), pressing the right arrow key will not move the selection but update its\n * attributes accordingly:\n *\n * * When enabled:\n *\n *   \t\tfoo{}<$text a=\"true\">bar</$text>\n *\n *    <kbd>→</kbd>\n *\n *   \t\tfoo<$text a=\"true\">{}bar</$text>\n *\n * * When disabled:\n *\n *   \t\tfoo{}<$text a=\"true\">bar</$text>\n *\n *   <kbd>→</kbd>\n *\n *   \t\tfoo<$text a=\"true\">b{}ar</$text>\n *\n *\n * ## \"Leaving\" an attribute:\n *\n * * When enabled:\n *\n *   \t\t<$text a=\"true\">bar{}</$text>baz\n *\n *    <kbd>→</kbd>\n *\n *   \t\t<$text a=\"true\">bar</$text>{}baz\n *\n * * When disabled:\n *\n *   \t\t<$text a=\"true\">bar{}</$text>baz\n *\n *   <kbd>→</kbd>\n *\n *   \t\t<$text a=\"true\">bar</$text>b{}az\n *\n * # Backward movement\n *\n * * When enabled:\n *\n *   \t\t<$text a=\"true\">bar</$text>{}baz\n *\n *    <kbd>←</kbd>\n *\n *   \t\t<$text a=\"true\">bar{}</$text>baz\n *\n * * When disabled:\n *\n *   \t\t<$text a=\"true\">bar</$text>{}baz\n *\n *   <kbd>←</kbd>\n *\n *   \t\t<$text a=\"true\">ba{}r</$text>b{}az\n *\n * # Multiple attributes\n *\n * * When enabled and many attributes starts or ends at the same position:\n *\n *   \t\t<$text a=\"true\" b=\"true\">bar</$text>{}baz\n *\n *    <kbd>←</kbd>\n *\n *   \t\t<$text a=\"true\" b=\"true\">bar{}</$text>baz\n *\n * * When enabled and one procedes another:\n *\n *   \t\t<$text a=\"true\">bar</$text><$text b=\"true\">{}bar</$text>\n *\n *    <kbd>←</kbd>\n *\n *   \t\t<$text a=\"true\">bar{}</$text><$text b=\"true\">bar</$text>\n *\n */\nexport default class TwoStepCaretMovement extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TwoStepCaretMovement';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A set of attributes to handle.\n\t\t *\n\t\t * @protected\n\t\t * @property {module:typing/twostepcaretmovement~TwoStepCaretMovement}\n\t\t */\n\t\tthis.attributes = new Set();\n\n\t\t/**\n\t\t * The current UID of the overridden gravity, as returned by\n\t\t * {@link module:engine/model/writer~Writer#overrideSelectionGravity}.\n\t\t *\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._overrideUid = null;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst view = editor.editing.view;\n\t\tconst locale = editor.locale;\n\n\t\tconst modelSelection = model.document.selection;\n\n\t\t// Listen to keyboard events and handle the caret movement according to the 2-step caret logic.\n\t\tthis.listenTo( view.document, 'arrowKey', ( evt, data ) => {\n\t\t\t// This implementation works only for collapsed selection.\n\t\t\tif ( !modelSelection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// When user tries to expand the selection or jump over the whole word or to the beginning/end then\n\t\t\t// two-steps movement is not necessary.\n\t\t\tif ( data.shiftKey || data.altKey || data.ctrlKey ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst arrowRightPressed = data.keyCode == keyCodes.arrowright;\n\t\t\tconst arrowLeftPressed = data.keyCode == keyCodes.arrowleft;\n\n\t\t\t// When neither left or right arrow has been pressed then do noting.\n\t\t\tif ( !arrowRightPressed && !arrowLeftPressed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst contentDirection = locale.contentLanguageDirection;\n\t\t\tlet isMovementHandled = false;\n\n\t\t\tif ( ( contentDirection === 'ltr' && arrowRightPressed ) || ( contentDirection === 'rtl' && arrowLeftPressed ) ) {\n\t\t\t\tisMovementHandled = this._handleForwardMovement( data );\n\t\t\t} else {\n\t\t\t\tisMovementHandled = this._handleBackwardMovement( data );\n\t\t\t}\n\n\t\t\t// Stop the keydown event if the two-step caret movement handled it. Avoid collisions\n\t\t\t// with other features which may also take over the caret movement (e.g. Widget).\n\t\t\tif ( isMovementHandled === true ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { context: '$text', priority: 'highest' } );\n\n\t\t/**\n\t\t * A flag indicating that the automatic gravity restoration should not happen upon the next\n\t\t * gravity restoration.\n\t\t * {@link module:engine/model/selection~Selection#event:change:range} event.\n\t\t *\n\t\t * @private\n\t\t * @member {String}\n\t\t */\n\t\tthis._isNextGravityRestorationSkipped = false;\n\n\t\t// The automatic gravity restoration logic.\n\t\tthis.listenTo( modelSelection, 'change:range', ( evt, data ) => {\n\t\t\t// Skipping the automatic restoration is needed if the selection should change\n\t\t\t// but the gravity must remain overridden afterwards. See the #handleBackwardMovement\n\t\t\t// to learn more.\n\t\t\tif ( this._isNextGravityRestorationSkipped ) {\n\t\t\t\tthis._isNextGravityRestorationSkipped = false;\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Skip automatic restore when the gravity is not overridden — simply, there's nothing to restore\n\t\t\t// at this moment.\n\t\t\tif ( !this._isGravityOverridden ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Skip automatic restore when the change is indirect AND the selection is at the attribute boundary.\n\t\t\t// It means that e.g. if the change was external (collaboration) and the user had their\n\t\t\t// selection around the link, its gravity should remain intact in this change:range event.\n\t\t\tif ( !data.directChange && isBetweenDifferentAttributes( modelSelection.getFirstPosition(), this.attributes ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis._restoreGravity();\n\t\t} );\n\t}\n\n\t/**\n\t * Registers a given attribute for the two-step caret movement.\n\t *\n\t * @param {String} attribute Name of the attribute to handle.\n\t */\n\tregisterAttribute( attribute ) {\n\t\tthis.attributes.add( attribute );\n\t}\n\n\t/**\n\t * Updates the document selection and the view according to the two–step caret movement state\n\t * when moving **forwards**. Executed upon `keypress` in the {@link module:engine/view/view~View}.\n\t *\n\t * @private\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} data Data of the key press.\n\t * @returns {Boolean} `true` when the handler prevented caret movement\n\t */\n\t_handleForwardMovement( data ) {\n\t\tconst attributes = this.attributes;\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst position = selection.getFirstPosition();\n\t\t// DON'T ENGAGE 2-SCM if gravity is already overridden. It means that we just entered\n\t\t//\n\t\t// \t\t<paragraph>foo<$text attribute>{}bar</$text>baz</paragraph>\n\t\t//\n\t\t// or left the attribute\n\t\t//\n\t\t// \t\t<paragraph>foo<$text attribute>bar</$text>{}baz</paragraph>\n\t\t//\n\t\t// and the gravity will be restored automatically.\n\t\tif ( this._isGravityOverridden ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// DON'T ENGAGE 2-SCM when the selection is at the beginning of the block AND already has the\n\t\t// attribute:\n\t\t// * when the selection was initially set there using the mouse,\n\t\t// * when the editor has just started\n\t\t//\n\t\t//\t\t<paragraph><$text attribute>{}bar</$text>baz</paragraph>\n\t\t//\n\t\tif ( position.isAtStart && hasAnyAttribute( selection, attributes ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// ENGAGE 2-SCM When at least one of the observed attributes changes its value (incl. starts, ends).\n\t\t//\n\t\t//\t\t<paragraph>foo<$text attribute>bar{}</$text>baz</paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute>bar{}</$text><$text otherAttribute>baz</$text></paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute=1>bar{}</$text><$text attribute=2>baz</$text></paragraph>\n\t\t//\t\t<paragraph>foo{}<$text attribute>bar</$text>baz</paragraph>\n\t\t//\n\t\tif ( isBetweenDifferentAttributes( position, attributes ) ) {\n\t\t\tpreventCaretMovement( data );\n\t\t\tthis._overrideGravity();\n\t\t\treturn true;\n\t\t}\n\t}\n\n\t/**\n\t * Updates the document selection and the view according to the two–step caret movement state\n\t * when moving **backwards**. Executed upon `keypress` in the {@link module:engine/view/view~View}.\n\t *\n\t * @private\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} data Data of the key press.\n\t * @returns {Boolean} `true` when the handler prevented caret movement\n\t */\n\t_handleBackwardMovement( data ) {\n\t\tconst attributes = this.attributes;\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst position = selection.getFirstPosition();\n\n\t\t// When the gravity is already overridden (by this plugin), it means we are on the two-step position.\n\t\t// Prevent the movement, restore the gravity and update selection attributes.\n\t\t//\n\t\t//\t\t<paragraph>foo<$text attribute=1>bar</$text><$text attribute=2>{}baz</$text></paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute>bar</$text><$text otherAttribute>{}baz</$text></paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute>{}bar</$text>baz</paragraph>\n\t\t//\t\t<paragraph>foo<$text attribute>bar</$text>{}baz</paragraph>\n\t\t//\n\t\tif ( this._isGravityOverridden ) {\n\t\t\tpreventCaretMovement( data );\n\t\t\tthis._restoreGravity();\n\t\t\tsetSelectionAttributesFromTheNodeBefore( model, attributes, position );\n\n\t\t\treturn true;\n\t\t} else {\n\t\t\t// REMOVE SELECTION ATTRIBUTE when restoring gravity towards a non-existent content at the\n\t\t\t// beginning of the block.\n\t\t\t//\n\t\t\t// \t\t<paragraph>{}<$text attribute>bar</$text></paragraph>\n\t\t\t//\n\t\t\tif ( position.isAtStart ) {\n\t\t\t\tif ( hasAnyAttribute( selection, attributes ) ) {\n\t\t\t\t\tpreventCaretMovement( data );\n\t\t\t\t\tsetSelectionAttributesFromTheNodeBefore( model, attributes, position );\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t\t// When we are moving from natural gravity, to the position of the 2SCM, we need to override the gravity,\n\t\t\t// and make sure it won't be restored. Unless it's at the end of the block and an observed attribute.\n\t\t\t// We need to check if the caret is a one position before the attribute boundary:\n\t\t\t//\n\t\t\t//\t\t<paragraph>foo<$text attribute=1>bar</$text><$text attribute=2>b{}az</$text></paragraph>\n\t\t\t//\t\t<paragraph>foo<$text attribute>bar</$text><$text otherAttribute>b{}az</$text></paragraph>\n\t\t\t//\t\t<paragraph>foo<$text attribute>b{}ar</$text>baz</paragraph>\n\t\t\t//\t\t<paragraph>foo<$text attribute>bar</$text>b{}az</paragraph>\n\t\t\t//\n\t\t\tif ( isStepAfterAnyAttributeBoundary( position, attributes ) ) {\n\t\t\t\t// ENGAGE 2-SCM if the selection has no attribute. This may happen when the user\n\t\t\t\t// left the attribute using a FORWARD 2-SCM.\n\t\t\t\t//\n\t\t\t\t// \t\t<paragraph><$text attribute>bar</$text>{}</paragraph>\n\t\t\t\t//\n\t\t\t\tif (\n\t\t\t\t\tposition.isAtEnd &&\n\t\t\t\t\t!hasAnyAttribute( selection, attributes ) &&\n\t\t\t\t\tisBetweenDifferentAttributes( position, attributes )\n\t\t\t\t) {\n\t\t\t\t\tpreventCaretMovement( data );\n\t\t\t\t\tsetSelectionAttributesFromTheNodeBefore( model, attributes, position );\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t\t// Skip the automatic gravity restore upon the next selection#change:range event.\n\t\t\t\t// If not skipped, it would automatically restore the gravity, which should remain\n\t\t\t\t// overridden.\n\t\t\t\tthis._isNextGravityRestorationSkipped = true;\n\t\t\t\tthis._overrideGravity();\n\n\t\t\t\t// Don't return \"true\" here because we didn't call _preventCaretMovement.\n\t\t\t\t// Returning here will destabilize the filler logic, which also listens to\n\t\t\t\t// keydown (and the event would be stopped).\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * `true` when the gravity is overridden for the plugin.\n\t *\n\t * @readonly\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isGravityOverridden() {\n\t\treturn !!this._overrideUid;\n\t}\n\n\t/**\n\t * Overrides the gravity using the {@link module:engine/model/writer~Writer model writer}\n\t * and stores the information about this fact in the {@link #_overrideUid}.\n\t *\n\t * A shorthand for {@link module:engine/model/writer~Writer#overrideSelectionGravity}.\n\t *\n\t * @private\n\t */\n\t_overrideGravity() {\n\t\tthis._overrideUid = this.editor.model.change( writer => {\n\t\t\treturn writer.overrideSelectionGravity();\n\t\t} );\n\t}\n\n\t/**\n\t * Restores the gravity using the {@link module:engine/model/writer~Writer model writer}.\n\t *\n\t * A shorthand for {@link module:engine/model/writer~Writer#restoreSelectionGravity}.\n\t *\n\t * @private\n\t */\n\t_restoreGravity() {\n\t\tthis.editor.model.change( writer => {\n\t\t\twriter.restoreSelectionGravity( this._overrideUid );\n\t\t\tthis._overrideUid = null;\n\t\t} );\n\t}\n}\n\n// Checks whether the selection has any of given attributes.\n//\n// @param {module:engine/model/documentselection~DocumentSelection} selection\n// @param {Iterable.<String>} attributes\nfunction hasAnyAttribute( selection, attributes ) {\n\tfor ( const observedAttribute of attributes ) {\n\t\tif ( selection.hasAttribute( observedAttribute ) ) {\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\n// Applies the given attributes to the current selection using using the\n// values from the node before the current position. Uses\n// the {@link module:engine/model/writer~Writer model writer}.\n//\n// @param {module:engine/model/model~Model}\n// @param {Iterable.<String>} attributess\n// @param {module:engine/model/position~Position} position\nfunction setSelectionAttributesFromTheNodeBefore( model, attributes, position ) {\n\tconst nodeBefore = position.nodeBefore;\n\tmodel.change( writer => {\n\t\tif ( nodeBefore ) {\n\t\t\twriter.setSelectionAttribute( nodeBefore.getAttributes() );\n\t\t} else {\n\t\t\twriter.removeSelectionAttribute( attributes );\n\t\t}\n\t} );\n}\n\n// Prevents the caret movement in the view by calling `preventDefault` on the event data.\n//\n// @alias data.preventDefault\nfunction preventCaretMovement( data ) {\n\tdata.preventDefault();\n}\n\n// Checks whether the step before `isBetweenDifferentAttributes()`.\n//\n// @param {module:engine/model/position~Position} position\n// @param {String} attribute\nfunction isStepAfterAnyAttributeBoundary( position, attributes ) {\n\tconst positionBefore = position.getShiftedBy( -1 );\n\treturn isBetweenDifferentAttributes( positionBefore, attributes );\n}\n\n// Checks whether the given position is between different values of given attributes.\n//\n// @param {module:engine/model/position~Position} position\n// @param {Iterable.<String>} attributes\nfunction isBetweenDifferentAttributes( position, attributes ) {\n\tconst { nodeBefore, nodeAfter } = position;\n\tfor ( const observedAttribute of attributes ) {\n\t\tconst attrBefore = nodeBefore ? nodeBefore.getAttribute( observedAttribute ) : undefined;\n\t\tconst attrAfter = nodeAfter ? nodeAfter.getAttribute( observedAttribute ) : undefined;\n\n\t\tif ( attrAfter !== attrBefore ) {\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/texttransformation\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport TextWatcher from './textwatcher';\nimport { escapeRegExp } from 'lodash-es';\n\n// All named transformations.\nconst TRANSFORMATIONS = {\n\t// Common symbols:\n\tcopyright: { from: '(c)', to: '©' },\n\tregisteredTrademark: { from: '(r)', to: '®' },\n\ttrademark: { from: '(tm)', to: '™' },\n\n\t// Mathematical:\n\toneHalf: { from: /(^|[^/a-z0-9])(1\\/2)([^/a-z0-9])$/i, to: [ null, '½', null ] },\n\toneThird: { from: /(^|[^/a-z0-9])(1\\/3)([^/a-z0-9])$/i, to: [ null, '⅓', null ] },\n\ttwoThirds: { from: /(^|[^/a-z0-9])(2\\/3)([^/a-z0-9])$/i, to: [ null, '⅔', null ] },\n\toneForth: { from: /(^|[^/a-z0-9])(1\\/4)([^/a-z0-9])$/i, to: [ null, '¼', null ] },\n\tthreeQuarters: { from: /(^|[^/a-z0-9])(3\\/4)([^/a-z0-9])$/i, to: [ null, '¾', null ] },\n\tlessThanOrEqual: { from: '<=', to: '≤' },\n\tgreaterThanOrEqual: { from: '>=', to: '≥' },\n\tnotEqual: { from: '!=', to: '≠' },\n\tarrowLeft: { from: '<-', to: '←' },\n\tarrowRight: { from: '->', to: '→' },\n\n\t// Typography:\n\thorizontalEllipsis: { from: '...', to: '…' },\n\tenDash: { from: /(^| )(--)( )$/, to: [ null, '–', null ] },\n\temDash: { from: /(^| )(---)( )$/, to: [ null, '—', null ] },\n\t// Quotations:\n\t// English, US\n\tquotesPrimary: { from: buildQuotesRegExp( '\"' ), to: [ null, '“', null, '”' ] },\n\tquotesSecondary: { from: buildQuotesRegExp( '\\'' ), to: [ null, '‘', null, '’' ] },\n\n\t// English, UK\n\tquotesPrimaryEnGb: { from: buildQuotesRegExp( '\\'' ), to: [ null, '‘', null, '’' ] },\n\tquotesSecondaryEnGb: { from: buildQuotesRegExp( '\"' ), to: [ null, '“', null, '”' ] },\n\n\t// Polish\n\tquotesPrimaryPl: { from: buildQuotesRegExp( '\"' ), to: [ null, '„', null, '”' ] },\n\tquotesSecondaryPl: { from: buildQuotesRegExp( '\\'' ), to: [ null, '‚', null, '’' ] }\n};\n\n// Transformation groups.\nconst TRANSFORMATION_GROUPS = {\n\tsymbols: [ 'copyright', 'registeredTrademark', 'trademark' ],\n\tmathematical: [\n\t\t'oneHalf', 'oneThird', 'twoThirds', 'oneForth', 'threeQuarters',\n\t\t'lessThanOrEqual', 'greaterThanOrEqual', 'notEqual',\n\t\t'arrowLeft', 'arrowRight'\n\t],\n\ttypography: [ 'horizontalEllipsis', 'enDash', 'emDash' ],\n\tquotes: [ 'quotesPrimary', 'quotesSecondary' ]\n};\n\n// A set of default transformations provided by the feature.\nconst DEFAULT_TRANSFORMATIONS = [\n\t'symbols',\n\t'mathematical',\n\t'typography',\n\t'quotes'\n];\n\n/**\n * The text transformation plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TextTransformation extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ 'Delete', 'Input' ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TextTransformation';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'typing', {\n\t\t\ttransformations: {\n\t\t\t\tinclude: DEFAULT_TRANSFORMATIONS\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst model = this.editor.model;\n\t\tconst modelSelection = model.document.selection;\n\n\t\tmodelSelection.on( 'change:range', () => {\n\t\t\t// Disable plugin when selection is inside a code block.\n\t\t\tthis.isEnabled = !modelSelection.anchor.parent.is( 'element', 'codeBlock' );\n\t\t} );\n\n\t\tthis._enableTransformationWatchers();\n\t}\n\n\t/**\n\t * Create new TextWatcher listening to the editor for typing and selection events.\n\t *\n\t * @private\n\t */\n\t_enableTransformationWatchers() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst deletePlugin = editor.plugins.get( 'Delete' );\n\t\tconst normalizedTransformations = normalizeTransformations( editor.config.get( 'typing.transformations' ) );\n\n\t\tconst testCallback = text => {\n\t\t\tfor ( const normalizedTransformation of normalizedTransformations ) {\n\t\t\t\tconst from = normalizedTransformation.from;\n\t\t\t\tconst match = from.test( text );\n\n\t\t\t\tif ( match ) {\n\t\t\t\t\treturn { normalizedTransformation };\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\n\t\tconst watcherCallback = ( evt, data ) => {\n\t\t\tif ( !data.batch.isTyping ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst { from, to } = data.normalizedTransformation;\n\n\t\t\tconst matches = from.exec( data.text );\n\t\t\tconst replaces = to( matches.slice( 1 ) );\n\n\t\t\tconst matchedRange = data.range;\n\n\t\t\tlet changeIndex = matches.index;\n\n\t\t\tmodel.enqueueChange( writer => {\n\t\t\t\tfor ( let i = 1; i < matches.length; i++ ) {\n\t\t\t\t\tconst match = matches[ i ];\n\t\t\t\t\tconst replaceWith = replaces[ i - 1 ];\n\n\t\t\t\t\tif ( replaceWith == null ) {\n\t\t\t\t\t\tchangeIndex += match.length;\n\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tconst replacePosition = matchedRange.start.getShiftedBy( changeIndex );\n\t\t\t\t\tconst replaceRange = model.createRange( replacePosition, replacePosition.getShiftedBy( match.length ) );\n\t\t\t\t\tconst attributes = getTextAttributesAfterPosition( replacePosition );\n\n\t\t\t\t\tmodel.insertContent( writer.createText( replaceWith, attributes ), replaceRange );\n\n\t\t\t\t\tchangeIndex += replaceWith.length;\n\t\t\t\t}\n\n\t\t\t\tmodel.enqueueChange( () => {\n\t\t\t\t\tdeletePlugin.requestUndoOnBackspace();\n\t\t\t\t} );\n\t\t\t} );\n\t\t};\n\n\t\tconst watcher = new TextWatcher( editor.model, testCallback );\n\n\t\twatcher.on( 'matched:data', watcherCallback );\n\t\twatcher.bind( 'isEnabled' ).to( this );\n\t}\n}\n\n// Normalizes the configuration `from` parameter value.\n// The normalized value for the `from` parameter is a RegExp instance. If the passed `from` is already a RegExp instance,\n// it is returned unchanged.\n//\n// @param {String|RegExp} from\n// @returns {RegExp}\nfunction normalizeFrom( from ) {\n\tif ( typeof from == 'string' ) {\n\t\treturn new RegExp( `(${ escapeRegExp( from ) })$` );\n\t}\n\n\t// `from` is already a regular expression.\n\treturn from;\n}\n\n// Normalizes the configuration `to` parameter value.\n// The normalized value for the `to` parameter is a function that takes an array and returns an array. See more in the\n// configuration description. If the passed `to` is already a function, it is returned unchanged.\n//\n// @param {String|Array.<null|String>|Function} to\n// @returns {Function}\nfunction normalizeTo( to ) {\n\tif ( typeof to == 'string' ) {\n\t\treturn () => [ to ];\n\t} else if ( to instanceof Array ) {\n\t\treturn () => to;\n\t}\n\n\t// `to` is already a function.\n\treturn to;\n}\n\n// For given `position` returns attributes for the text that is after that position.\n// The text can be in the same text node as the position (`foo[]bar`) or in the next text node (`foo[]<$text bold=\"true\">bar</$text>`).\n//\n// @param {module:engine/model/position~Position} position\n// @returns {Iterable.<*>}\nfunction getTextAttributesAfterPosition( position ) {\n\tconst textNode = position.textNode ? position.textNode : position.nodeAfter;\n\n\treturn textNode.getAttributes();\n}\n\n// Returns a RegExp pattern string that detects a sentence inside a quote.\n//\n// @param {String} quoteCharacter The character to create a pattern for.\n// @returns {String}\nfunction buildQuotesRegExp( quoteCharacter ) {\n\treturn new RegExp( `(^|\\\\s)(${ quoteCharacter })([^${ quoteCharacter }]*)(${ quoteCharacter })$` );\n}\n\n// Reads text transformation config and returns normalized array of transformations objects.\n//\n// @param {module:typing/texttransformation~TextTransformationDescription} config\n// @returns {Array.<{from:String,to:Function}>}\nfunction normalizeTransformations( config ) {\n\tconst extra = config.extra || [];\n\tconst remove = config.remove || [];\n\tconst isNotRemoved = transformation => !remove.includes( transformation );\n\n\tconst configured = config.include.concat( extra ).filter( isNotRemoved );\n\n\treturn expandGroupsAndRemoveDuplicates( configured )\n\t\t.filter( isNotRemoved ) // Filter out 'remove' transformations as they might be set in group.\n\t\t.map( transformation => TRANSFORMATIONS[ transformation ] || transformation )\n\t\t.filter( transformation => typeof transformation === 'object' ) // Filter out transformations set as string that has not been found.\n\t\t.map( transformation => ( {\n\t\t\tfrom: normalizeFrom( transformation.from ),\n\t\t\tto: normalizeTo( transformation.to )\n\t\t} ) );\n}\n\n// Reads definitions and expands named groups if needed to transformation names.\n// This method also removes duplicated named transformations if any.\n//\n// @param {Array.<String|Object>} definitions\n// @returns {Array.<String|Object>}\nfunction expandGroupsAndRemoveDuplicates( definitions ) {\n\t// Set is using to make sure that transformation names are not duplicated.\n\tconst definedTransformations = new Set();\n\n\tfor ( const transformationOrGroup of definitions ) {\n\t\tif ( TRANSFORMATION_GROUPS[ transformationOrGroup ] ) {\n\t\t\tfor ( const transformation of TRANSFORMATION_GROUPS[ transformationOrGroup ] ) {\n\t\t\t\tdefinedTransformations.add( transformation );\n\t\t\t}\n\t\t} else {\n\t\t\tdefinedTransformations.add( transformationOrGroup );\n\t\t}\n\t}\n\n\treturn Array.from( definedTransformations );\n}\n\n/**\n * The text transformation definition object. It describes what should be replaced with what.\n *\n * The input value (`from`) can be passed either as a string or as a regular expression.\n *\n * * If a string is passed, it will be simply checked if the end of the input matches it.\n * * If a regular expression is passed, its entire length must be covered with capturing groups (e.g. `/(foo)(bar)$/`).\n * Also, since it is compared against the end of the input, it has to end with  `$` to be correctly matched.\n * See examples below.\n *\n * The output value (`to`) can be passed as a string, as an array or as a function.\n *\n * * If a string is passed, it will be used as a replacement value as-is. Note that a string output value can be used only if\n * the input value is a string, too.\n * * If an array is passed, it has to have the same number of elements as there are capturing groups in the input value regular expression.\n * Each capture group will be replaced with a corresponding string from the passed array. If a given capturing group should not be replaced,\n * use `null` instead of passing a string.\n * * If a function is used, it should return an array as described above. The function is passed one parameter &mdash; an array with matches\n * by the regular expression. See the examples below.\n *\n * A simple string-to-string replacement:\n *\n *\t\t{ from: '(c)', to: '©' }\n *\n * Change quote styles using a regular expression. Note how all the parts are in separate capturing groups and the space at the beginning\n * and the text inside quotes are not replaced (`null` passed as the first and the third value in the `to` parameter):\n *\n *\t\t{\n *\t\t\tfrom: /(^|\\s)(\")([^\"]*)(\")$/,\n *\t\t\tto: [ null, '“', null, '”' ]\n *\t\t}\n *\n * Automatic uppercase after a dot using a callback:\n *\n *\t\t{\n *\t\t\tfrom: /(\\. )([a-z])$/,\n *\t\t\tto: matches => [ null, matches[ 1 ].toUpperCase() ]\n *\t\t}\n *\n * @typedef {Object} module:typing/texttransformation~TextTransformationDescription\n * @property {String|RegExp} from The string or regular expression to transform.\n * @property {String} to The text to transform compatible with `String.replace()`.\n */\n\n/**\n * The configuration of the {@link module:typing/texttransformation~TextTransformation} feature.\n *\n * Read more in {@link module:typing/texttransformation~TextTransformationConfig}.\n *\n * @member {module:typing/texttransformation~TextTransformationConfig} module:typing/typing~TypingConfig#transformations\n */\n\n/**\n * The configuration of the text transformation feature.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\ttyping: {\n *\t\t\t\t\ttransformations: ... // Text transformation feature options.\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * By default, the feature comes pre-configured\n * (via {@link module:typing/texttransformation~TextTransformationConfig#include `config.typing.transformations.include`}) with the\n * following groups of transformations:\n *\n * * Typography (group name: `typography`)\n *   - `ellipsis`: transforms `...` to `…`\n *   - `enDash`: transforms ` -- ` to ` – `\n *   - `emDash`: transforms ` --- ` to ` — `\n * * Quotations (group name: `quotes`)\n *   - `quotesPrimary`: transforms `\"Foo bar\"` to `“Foo bar”`\n *   - `quotesSecondary`: transforms `'Foo bar'` to `‘Foo bar’`\n * * Symbols (group name: `symbols`)\n *   - `trademark`: transforms `(tm)` to `™`\n *   - `registeredTrademark`: transforms `(r)` to `®`\n *   - `copyright`: transforms `(c)` to `©`\n * * Mathematical (group name: `mathematical`)\n *   - `oneHalf`: transforms `1/2` to: `½`\n *   - `oneThird`: transforms `1/3` to: `⅓`\n *   - `twoThirds`: transforms `2/3` to: `⅔`\n *   - `oneForth`: transforms `1/4` to: `¼`\n *   - `threeQuarters`: transforms `3/4` to: `¾`\n *   - `lessThanOrEqual`: transforms `<=` to: `≤`\n *   - `greaterThanOrEqual`: transforms `>=` to: `≥`\n *   - `notEqual`: transforms `!=` to: `≠`\n *   - `arrowLeft`: transforms `<-` to: `←`\n *   - `arrowRight`: transforms `->` to: `→`\n * * Misc:\n *   - `quotesPrimaryEnGb`: transforms `'Foo bar'` to `‘Foo bar’`\n *   - `quotesSecondaryEnGb`: transforms `\"Foo bar\"` to `“Foo bar”`\n *   - `quotesPrimaryPl`: transforms `\"Foo bar\"` to `„Foo bar”`\n *   - `quotesSecondaryPl`:  transforms `'Foo bar'` to `‚Foo bar’`\n *\n * In order to load additional transformations, use the\n * {@link module:typing/texttransformation~TextTransformationConfig#extra `transformations.extra` option}.\n *\n * In order to narrow down the list of transformations, use the\n * {@link module:typing/texttransformation~TextTransformationConfig#remove `transformations.remove` option}.\n *\n * In order to completely override the supported transformations, use the\n * {@link module:typing/texttransformation~TextTransformationConfig#include `transformations.include` option}.\n *\n * Examples:\n *\n *\t\tconst transformationsConfig = {\n *\t\t\tinclude: [\n *\t\t\t\t// Use only the 'quotes' and 'typography' groups.\n *\t\t\t\t'quotes',\n *\t\t\t\t'typography',\n *\n *\t\t\t\t// Plus, some custom transformation.\n *\t\t\t\t{ from: 'CKE', to: 'CKEditor' }\n *\t\t\t]\n *\t\t};\n *\n *\t\tconst transformationsConfig = {\n *\t\t\t// Remove the 'ellipsis' transformation loaded by the 'typography' group.\n *\t\t\tremove: [ 'ellipsis' ]\n *\t\t}\n *\n * @interface TextTransformationConfig\n */\n\n/* eslint-disable max-len */\n/**\n * The standard list of text transformations supported by the editor. By default it comes pre-configured with a couple dozen of them\n * (see {@link module:typing/texttransformation~TextTransformationConfig} for the full list). You can override this list completely\n * by setting this option or use the other two options\n * ({@link module:typing/texttransformation~TextTransformationConfig#extra `transformations.extra`},\n * {@link module:typing/texttransformation~TextTransformationConfig#remove `transformations.remove`}) to fine-tune the default list.\n *\n * @member {Array.<module:typing/texttransformation~TextTransformationDescription>} module:typing/texttransformation~TextTransformationConfig#include\n */\n\n/**\n * Additional text transformations that are added to the transformations defined in\n * {@link module:typing/texttransformation~TextTransformationConfig#include `transformations.include`}.\n *\n *\t\tconst transformationsConfig = {\n *\t\t\textra: [\n *\t\t\t\t{ from: 'CKE', to: 'CKEditor' }\n *\t\t\t]\n *\t\t};\n *\n * @member {Array.<module:typing/texttransformation~TextTransformationDescription>} module:typing/texttransformation~TextTransformationConfig#extra\n */\n\n/**\n * The text transformation names that are removed from transformations defined in\n * {@link module:typing/texttransformation~TextTransformationConfig#include `transformations.include`} or\n * {@link module:typing/texttransformation~TextTransformationConfig#extra `transformations.extra`}.\n *\n *\t\tconst transformationsConfig = {\n *\t\t\tremove: [\n *\t\t\t\t'ellipsis',    // Remove only 'ellipsis' from the 'typography' group.\n *\t\t\t\t'mathematical' // Remove all transformations from the 'mathematical' group.\n *\t\t\t]\n *\t\t}\n *\n * @member {Array.<module:typing/texttransformation~TextTransformationDescription>} module:typing/texttransformation~TextTransformationConfig#remove\n */\n/* eslint-enable max-len */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module typing/utils/findattributerange\n */\n\n/**\n * Returns a model range that covers all consecutive nodes with the same `attributeName` and its `value`\n * that intersect the given `position`.\n *\n * It can be used e.g. to get the entire range on which the `linkHref` attribute needs to be changed when having a\n * selection inside a link.\n *\n * @param {module:engine/model/position~Position} position The start position.\n * @param {String} attributeName The attribute name.\n * @param {String} value The attribute value.\n * @param {module:engine/model/model~Model} model The model instance.\n * @returns {module:engine/model/range~Range} The link range.\n */\nexport default function findAttributeRange( position, attributeName, value, model ) {\n\treturn model.createRange(\n\t\t_findBound( position, attributeName, value, true, model ),\n\t\t_findBound( position, attributeName, value, false, model )\n\t);\n}\n\n// Walks forward or backward (depends on the `lookBack` flag), node by node, as long as they have the same attribute value\n// and returns a position just before or after (depends on the `lookBack` flag) the last matched node.\n//\n// @param {module:engine/model/position~Position} position The start position.\n// @param {String} attributeName The attribute name.\n// @param {String} value The attribute value.\n// @param {Boolean} lookBack Whether the walk direction is forward (`false`) or backward (`true`).\n// @returns {module:engine/model/position~Position} The position just before the last matched node.\nfunction _findBound( position, attributeName, value, lookBack, model ) {\n\t// Get node before or after position (depends on `lookBack` flag).\n\t// When position is inside text node then start searching from text node.\n\tlet node = position.textNode || ( lookBack ? position.nodeBefore : position.nodeAfter );\n\n\tlet lastNode = null;\n\n\twhile ( node && node.getAttribute( attributeName ) == value ) {\n\t\tlastNode = node;\n\t\tnode = lookBack ? node.previousSibling : node.nextSibling;\n\t}\n\n\treturn lastNode ? model.createPositionAt( lastNode, lookBack ? 'before' : 'after' ) : position;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport findAttributeRange from './findattributerange';\n\n/**\n * @module typing/utils/inlinehighlight\n */\n\n/**\n * Adds a visual highlight style to an attribute element in which the selection is anchored.\n * Together with two-step caret movement, they indicate that the user is typing inside the element.\n *\n * Highlight is turned on by adding the given class to the attribute element in the view:\n *\n * * The class is removed before the conversion has started, as callbacks added with the `'highest'` priority\n * to {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher} events.\n * * The class is added in the view post fixer, after other changes in the model tree were converted to the view.\n *\n * This way, adding and removing the highlight does not interfere with conversion.\n *\n * Usage:\n *\n *\t\timport inlineHighlight from '@ckeditor/ckeditor5-typing/src/utils/inlinehighlight';\n *\n *\t\t// Make `ck-link_selected` class be applied on an `a` element\n *\t\t// whenever the corresponding `linkHref` attribute element is selected.\n *\t\tinlineHighlight( editor, 'linkHref', 'a', 'ck-link_selected' );\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @param {String} attributeName The attribute name to check.\n * @param {String} tagName The tagName of a view item.\n * @param {String} className The class name to apply in the view.\n */\nexport default function inlineHighlight( editor, attributeName, tagName, className ) {\n\tconst view = editor.editing.view;\n\tconst highlightedElements = new Set();\n\n\t// Adding the class.\n\tview.document.registerPostFixer( writer => {\n\t\tconst selection = editor.model.document.selection;\n\t\tlet changed = false;\n\n\t\tif ( selection.hasAttribute( attributeName ) ) {\n\t\t\tconst modelRange = findAttributeRange(\n\t\t\t\tselection.getFirstPosition(),\n\t\t\t\tattributeName,\n\t\t\t\tselection.getAttribute( attributeName ),\n\t\t\t\teditor.model\n\t\t\t);\n\t\t\tconst viewRange = editor.editing.mapper.toViewRange( modelRange );\n\n\t\t\t// There might be multiple view elements in the `viewRange`, for example, when the `a` element is\n\t\t\t// broken by a UIElement.\n\t\t\tfor ( const item of viewRange.getItems() ) {\n\t\t\t\tif ( item.is( 'element', tagName ) && !item.hasClass( className ) ) {\n\t\t\t\t\twriter.addClass( className, item );\n\t\t\t\t\thighlightedElements.add( item );\n\t\t\t\t\tchanged = true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn changed;\n\t} );\n\n\t// Removing the class.\n\teditor.conversion.for( 'editingDowncast' ).add( dispatcher => {\n\t\t// Make sure the highlight is removed on every possible event, before conversion is started.\n\t\tdispatcher.on( 'insert', removeHighlight, { priority: 'highest' } );\n\t\tdispatcher.on( 'remove', removeHighlight, { priority: 'highest' } );\n\t\tdispatcher.on( 'attribute', removeHighlight, { priority: 'highest' } );\n\t\tdispatcher.on( 'selection', removeHighlight, { priority: 'highest' } );\n\n\t\tfunction removeHighlight() {\n\t\t\tview.change( writer => {\n\t\t\t\tfor ( const item of highlightedElements.values() ) {\n\t\t\t\t\twriter.removeClass( className, item );\n\t\t\t\t\thighlightedElements.delete( item );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/basecommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { transformSets } from '@ckeditor/ckeditor5-engine/src/model/operation/transform';\n\n/**\n * Base class for undo feature commands: {@link module:undo/undocommand~UndoCommand} and {@link module:undo/redocommand~RedoCommand}.\n *\n * @protected\n * @extends module:core/command~Command\n */\nexport default class BaseCommand extends Command {\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * Stack of items stored by the command. These are pairs of:\n\t\t *\n\t\t * * {@link module:engine/model/batch~Batch batch} saved by the command,\n\t\t * * {@link module:engine/model/selection~Selection selection} state at the moment of saving the batch.\n\t\t *\n\t\t * @protected\n\t\t * @member {Array} #_stack\n\t\t */\n\t\tthis._stack = [];\n\n\t\t/**\n\t\t * Stores all batches that were created by this command.\n\t\t *\n\t\t * @protected\n\t\t * @member {WeakSet.<module:engine/model/batch~Batch>} #_createdBatches\n\t\t */\n\t\tthis._createdBatches = new WeakSet();\n\n\t\t// Refresh state, so the command is inactive right after initialization.\n\t\tthis.refresh();\n\n\t\t// Set the transparent batch for the `editor.data.set()` call if the\n\t\t// batch type is not set already.\n\t\tthis.listenTo( editor.data, 'set', ( evt, data ) => {\n\t\t\t// Create a shallow copy of the options to not change the original args.\n\t\t\t// And make sure that an object is assigned to data[ 1 ].\n\t\t\tdata[ 1 ] = { ...data[ 1 ] };\n\n\t\t\tconst options = data[ 1 ];\n\n\t\t\t// If batch type is not set, default to non-undoable batch.\n\t\t\tif ( !options.batchType ) {\n\t\t\t\toptions.batchType = { isUndoable: false };\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\t// Clear the stack for the `transparent` batches.\n\t\tthis.listenTo( editor.data, 'set', ( evt, data ) => {\n\t\t\t// We can assume that the object exists and it has `batchType` property.\n\t\t\t// It was ensured with a higher priority listener before.\n\t\t\tconst options = data[ 1 ];\n\n\t\t\tif ( !options.batchType.isUndoable ) {\n\t\t\t\tthis.clearStack();\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = this._stack.length > 0;\n\t}\n\n\t/**\n\t * Stores a batch in the command, together with the selection state of the {@link module:engine/model/document~Document document}\n\t * created by the editor which this command is registered to.\n\t *\n\t * @param {module:engine/model/batch~Batch} batch The batch to add.\n\t */\n\taddBatch( batch ) {\n\t\tconst docSelection = this.editor.model.document.selection;\n\n\t\tconst selection = {\n\t\t\tranges: docSelection.hasOwnRange ? Array.from( docSelection.getRanges() ) : [],\n\t\t\tisBackward: docSelection.isBackward\n\t\t};\n\n\t\tthis._stack.push( { batch, selection } );\n\t\tthis.refresh();\n\t}\n\n\t/**\n\t * Removes all items from the stack.\n\t */\n\tclearStack() {\n\t\tthis._stack = [];\n\t\tthis.refresh();\n\t}\n\n\t/**\n\t * Restores the {@link module:engine/model/document~Document#selection document selection} state after a batch was undone.\n\t *\n\t * @protected\n\t * @param {Array.<module:engine/model/range~Range>} ranges Ranges to be restored.\n\t * @param {Boolean} isBackward A flag describing whether the restored range was selected forward or backward.\n\t * @param {Array.<module:engine/model/operation/operation~Operation>} operations Operations which has been applied\n\t * since selection has been stored.\n\t */\n\t_restoreSelection( ranges, isBackward, operations ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\n\t\t// This will keep the transformed selection ranges.\n\t\tconst selectionRanges = [];\n\n\t\t// Transform all ranges from the restored selection.\n\t\tconst transformedRangeGroups = ranges.map( range => range.getTransformedByOperations( operations ) );\n\t\tconst allRanges = transformedRangeGroups.flat();\n\n\t\tfor ( const rangeGroup of transformedRangeGroups ) {\n\t\t\t// While transforming there could appear ranges that are contained by other ranges, we shall ignore them.\n\t\t\tconst transformed = rangeGroup\n\t\t\t\t.filter( range => range.root != document.graveyard )\n\t\t\t\t.filter( range => !isRangeContainedByAnyOtherRange( range, allRanges ) );\n\n\t\t\t// All the transformed ranges ended up in graveyard.\n\t\t\tif ( !transformed.length ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// After the range got transformed, we have an array of ranges. Some of those\n\t\t\t// ranges may be \"touching\" -- they can be next to each other and could be merged.\n\t\t\tnormalizeRanges( transformed );\n\n\t\t\t// For each `range` from `ranges`, we take only one transformed range.\n\t\t\t// This is because we want to prevent situation where single-range selection\n\t\t\t// got transformed to multi-range selection.\n\t\t\tselectionRanges.push( transformed[ 0 ] );\n\t\t}\n\n\t\t// @if CK_DEBUG_ENGINE // console.log( `Restored selection by undo: ${ selectionRanges.join( ', ' ) }` );\n\n\t\t// `selectionRanges` may be empty if all ranges ended up in graveyard. If that is the case, do not restore selection.\n\t\tif ( selectionRanges.length ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( selectionRanges, { backward: isBackward } );\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Undoes a batch by reversing that batch, transforming reversed batch and finally applying it.\n\t * This is a helper method for {@link #execute}.\n\t *\n\t * @protected\n\t * @param {module:engine/model/batch~Batch} batchToUndo The batch to be undone.\n\t * @param {module:engine/model/batch~Batch} undoingBatch The batch that will contain undoing changes.\n\t */\n\t_undo( batchToUndo, undoingBatch ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\n\t\t// All changes done by the command execution will be saved as one batch.\n\t\tthis._createdBatches.add( undoingBatch );\n\n\t\tconst operationsToUndo = batchToUndo.operations.slice().filter( operation => operation.isDocumentOperation );\n\t\toperationsToUndo.reverse();\n\n\t\t// We will process each operation from `batchToUndo`, in reverse order. If there were operations A, B and C in undone batch,\n\t\t// we need to revert them in reverse order, so first C' (reversed C), then B', then A'.\n\t\tfor ( const operationToUndo of operationsToUndo ) {\n\t\t\tconst nextBaseVersion = operationToUndo.baseVersion + 1;\n\t\t\tconst historyOperations = Array.from( document.history.getOperations( nextBaseVersion ) );\n\n\t\t\tconst transformedSets = transformSets(\n\t\t\t\t[ operationToUndo.getReversed() ],\n\t\t\t\thistoryOperations,\n\t\t\t\t{\n\t\t\t\t\tuseRelations: true,\n\t\t\t\t\tdocument: this.editor.model.document,\n\t\t\t\t\tpadWithNoOps: false,\n\t\t\t\t\tforceWeakRemove: true\n\t\t\t\t}\n\t\t\t);\n\n\t\t\tconst reversedOperations = transformedSets.operationsA;\n\n\t\t\t// After reversed operation has been transformed by all history operations, apply it.\n\t\t\tfor ( const operation of reversedOperations ) {\n\t\t\t\t// Before applying, add the operation to the `undoingBatch`.\n\t\t\t\tundoingBatch.addOperation( operation );\n\t\t\t\tmodel.applyOperation( operation );\n\n\t\t\t\tdocument.history.setOperationAsUndone( operationToUndo, operation );\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Normalizes list of ranges by joining intersecting or \"touching\" ranges.\n//\n// @param {Array.<module:engine/model/range~Range>} ranges\n//\nfunction normalizeRanges( ranges ) {\n\tranges.sort( ( a, b ) => a.start.isBefore( b.start ) ? -1 : 1 );\n\n\tfor ( let i = 1; i < ranges.length; i++ ) {\n\t\tconst previousRange = ranges[ i - 1 ];\n\t\tconst joinedRange = previousRange.getJoined( ranges[ i ], true );\n\n\t\tif ( joinedRange ) {\n\t\t\t// Replace the ranges on the list with the new joined range.\n\t\t\ti--;\n\t\t\tranges.splice( i, 2, joinedRange );\n\t\t}\n\t}\n}\n\nfunction isRangeContainedByAnyOtherRange( range, ranges ) {\n\treturn ranges.some( otherRange => otherRange !== range && otherRange.containsRange( range, true ) );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/undocommand\n */\n\nimport BaseCommand from './basecommand';\n\n/**\n * The undo command stores {@link module:engine/model/batch~Batch batches} applied to the\n * {@link module:engine/model/document~Document document} and is able to undo a batch by reversing it and transforming by\n * batches from {@link module:engine/model/document~Document#history history} that happened after the reversed batch.\n *\n * The undo command also takes care of restoring the {@link module:engine/model/document~Document#selection document selection}.\n *\n * @extends module:undo/basecommand~BaseCommand\n */\nexport default class UndoCommand extends BaseCommand {\n\t/**\n\t * Executes the command. This method reverts a {@link module:engine/model/batch~Batch batch} added to the command's stack, transforms\n\t * and applies the reverted version on the {@link module:engine/model/document~Document document} and removes the batch from the stack.\n\t * Then, it restores the {@link module:engine/model/document~Document#selection document selection}.\n\t *\n\t * @fires execute\n\t * @fires revert\n\t * @param {module:engine/model/batch~Batch} [batch] A batch that should be undone. If not set, the last added batch will be undone.\n\t */\n\texecute( batch = null ) {\n\t\t// If batch is not given, set `batchIndex` to the last index in command stack.\n\t\tconst batchIndex = batch ? this._stack.findIndex( a => a.batch == batch ) : this._stack.length - 1;\n\n\t\tconst item = this._stack.splice( batchIndex, 1 )[ 0 ];\n\t\tconst undoingBatch = this.editor.model.createBatch( { isUndo: true } );\n\n\t\t// All changes has to be done in one `enqueueChange` callback so other listeners will not\n\t\t// step between consecutive operations, or won't do changes to the document before selection is properly restored.\n\t\tthis.editor.model.enqueueChange( undoingBatch, () => {\n\t\t\tthis._undo( item.batch, undoingBatch );\n\n\t\t\tconst operations = this.editor.model.document.history.getOperations( item.batch.baseVersion );\n\t\t\tthis._restoreSelection( item.selection.ranges, item.selection.isBackward, operations );\n\n\t\t\tthis.fire( 'revert', item.batch, undoingBatch );\n\t\t} );\n\n\t\tthis.refresh();\n\t}\n}\n\n/**\n * Fired when execution of the command reverts some batch.\n *\n * @event revert\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/redocommand\n */\n\nimport BaseCommand from './basecommand';\n\n/**\n * The redo command stores {@link module:engine/model/batch~Batch batches} that were used to undo a batch by\n * {@link module:undo/undocommand~UndoCommand}. It is able to redo a previously undone batch by reversing the undoing\n * batches created by `UndoCommand`. The reversed batch is transformed by all the batches from\n * {@link module:engine/model/document~Document#history history} that happened after the reversed undo batch.\n *\n * The redo command also takes care of restoring the {@link module:engine/model/document~Document#selection document selection}.\n *\n * @extends module:undo/basecommand~BaseCommand\n */\nexport default class RedoCommand extends BaseCommand {\n\t/**\n\t * Executes the command. This method reverts the last {@link module:engine/model/batch~Batch batch} added to\n\t * the command's stack, applies the reverted and transformed version on the\n\t * {@link module:engine/model/document~Document document} and removes the batch from the stack.\n\t * Then, it restores the {@link module:engine/model/document~Document#selection document selection}.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst item = this._stack.pop();\n\t\tconst redoingBatch = this.editor.model.createBatch( { isUndo: true } );\n\n\t\t// All changes have to be done in one `enqueueChange` callback so other listeners will not step between consecutive\n\t\t// operations, or won't do changes to the document before selection is properly restored.\n\t\tthis.editor.model.enqueueChange( redoingBatch, () => {\n\t\t\tconst lastOperation = item.batch.operations[ item.batch.operations.length - 1 ];\n\t\t\tconst nextBaseVersion = lastOperation.baseVersion + 1;\n\t\t\tconst operations = this.editor.model.document.history.getOperations( nextBaseVersion );\n\n\t\t\tthis._restoreSelection( item.selection.ranges, item.selection.isBackward, operations );\n\t\t\tthis._undo( item.batch, redoingBatch );\n\t\t} );\n\n\t\tthis.refresh();\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/undoediting\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport UndoCommand from './undocommand';\nimport RedoCommand from './redocommand';\n\n/**\n * The undo engine feature.\n *\n * It introduces the `'undo'` and `'redo'` commands to the editor.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class UndoEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'UndoEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The command that manages undo {@link module:engine/model/batch~Batch batches} stack (history).\n\t\t * Created and registered during the {@link #init feature initialization}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:undo/undocommand~UndoCommand} #_undoCommand\n\t\t */\n\n\t\t/**\n\t\t * The command that manages redo {@link module:engine/model/batch~Batch batches} stack (history).\n\t\t * Created and registered during the {@link #init feature initialization}.\n\t\t *\n\t\t * @private\n\t\t * @member {module:undo/undocommand~UndoCommand} #_redoCommand\n\t\t */\n\n\t\t/**\n\t\t * Keeps track of which batches were registered in undo.\n\t\t *\n\t\t * @private\n\t\t * @member {WeakSet.<module:engine/model/batch~Batch>}\n\t\t */\n\t\tthis._batchRegistry = new WeakSet();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Create commands.\n\t\tthis._undoCommand = new UndoCommand( editor );\n\t\tthis._redoCommand = new RedoCommand( editor );\n\n\t\t// Register command to the editor.\n\t\teditor.commands.add( 'undo', this._undoCommand );\n\t\teditor.commands.add( 'redo', this._redoCommand );\n\n\t\tthis.listenTo( editor.model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\t// Do not register batch if the operation is not a document operation.\n\t\t\t// This prevents from creating empty undo steps, where all operations where non-document operations.\n\t\t\t// Non-document operations creates and alters content in detached tree fragments (for example, document fragments).\n\t\t\t// Most of time this is preparing data before it is inserted into actual tree (for example during copy & paste).\n\t\t\t// Such operations should not be reversed.\n\t\t\tif ( !operation.isDocumentOperation ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst batch = operation.batch;\n\n\t\t\tconst isRedoBatch = this._redoCommand._createdBatches.has( batch );\n\t\t\tconst isUndoBatch = this._undoCommand._createdBatches.has( batch );\n\t\t\tconst wasProcessed = this._batchRegistry.has( batch );\n\n\t\t\t// Skip the batch if it was already processed.\n\t\t\tif ( wasProcessed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Add the batch to the registry so it will not be processed again.\n\t\t\tthis._batchRegistry.add( batch );\n\n\t\t\tif ( !batch.isUndoable ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( isRedoBatch ) {\n\t\t\t\t// If this batch comes from `redoCommand`, add it to `undoCommand` stack.\n\t\t\t\tthis._undoCommand.addBatch( batch );\n\t\t\t} else if ( !isUndoBatch ) {\n\t\t\t\t// If the batch neither comes from `redoCommand` or `undoCommand` then this is a new, regular batch.\n\t\t\t\t// Add the batch to the `undoCommand` stack and clear `redoCommand` stack.\n\t\t\t\tthis._undoCommand.addBatch( batch );\n\t\t\t\tthis._redoCommand.clearStack();\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\n\t\tthis.listenTo( this._undoCommand, 'revert', ( evt, undoneBatch, undoingBatch ) => {\n\t\t\tthis._redoCommand.addBatch( undoingBatch );\n\t\t} );\n\n\t\teditor.keystrokes.set( 'CTRL+Z', 'undo' );\n\t\teditor.keystrokes.set( 'CTRL+Y', 'redo' );\n\t\teditor.keystrokes.set( 'CTRL+SHIFT+Z', 'redo' );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m5.042 9.367 2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m14.958 9.367-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/undoui\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport undoIcon from '../theme/icons/undo.svg';\nimport redoIcon from '../theme/icons/redo.svg';\n\n/**\n * The undo UI feature. It introduces the `'undo'` and `'redo'` buttons to the editor.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class UndoUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'UndoUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst locale = editor.locale;\n\t\tconst t = editor.t;\n\n\t\tconst localizedUndoIcon = locale.uiLanguageDirection == 'ltr' ? undoIcon : redoIcon;\n\t\tconst localizedRedoIcon = locale.uiLanguageDirection == 'ltr' ? redoIcon : undoIcon;\n\n\t\tthis._addButton( 'undo', t( 'Undo' ), 'CTRL+Z', localizedUndoIcon );\n\t\tthis._addButton( 'redo', t( 'Redo' ), 'CTRL+Y', localizedRedoIcon );\n\t}\n\n\t/**\n\t * Creates a button for the specified command.\n\t *\n\t * @private\n\t * @param {String} name Command name.\n\t * @param {String} label Button label.\n\t * @param {String} keystroke Command keystroke.\n\t * @param {String} Icon Source of the icon.\n\t */\n\t_addButton( name, label, keystroke, Icon ) {\n\t\tconst editor = this.editor;\n\n\t\teditor.ui.componentFactory.add( name, locale => {\n\t\t\tconst command = editor.commands.get( name );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel,\n\t\t\t\ticon: Icon,\n\t\t\t\tkeystroke,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isEnabled' ).to( command, 'isEnabled' );\n\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( name );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module undo/undo\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport UndoEditing from './undoediting';\nimport UndoUI from './undoui';\n\n/**\n * The undo feature.\n *\n * This is a \"glue\" plugin which loads the {@link module:undo/undoediting~UndoEditing undo editing feature}\n * and {@link module:undo/undoui~UndoUI undo UI feature}.\n *\n * Below is the explanation of the undo mechanism working together with {@link module:engine/model/history~History History}:\n *\n * Whenever a {@link module:engine/model/operation/operation~Operation operation} is applied to the\n * {@link module:engine/model/document~Document document}, it is saved to `History` as is.\n * The {@link module:engine/model/batch~Batch batch} that owns that operation is also saved, in\n * {@link module:undo/undocommand~UndoCommand}, together with the selection that was present in the document before the\n * operation was applied. A batch is saved instead of the operation because changes are undone batch-by-batch, not operation-by-operation\n * and a batch is seen as one undo step.\n *\n * After some changes happen to the document, the `History` and `UndoCommand` stack can be represented as follows:\n *\n *\t\t    History                            Undo stack\n *\t\t==============             ==================================\n *\t\t[operation A1]                         [batch A]\n *\t\t[operation B1]                         [batch B]\n *\t\t[operation B2]                         [batch C]\n *\t\t[operation C1]\n *\t\t[operation C2]\n *\t\t[operation B3]\n *\t\t[operation C3]\n *\n * Where operations starting with the same letter are from same batch.\n *\n * Undoing a batch means that a set of operations which will reverse the effects of that batch needs to be generated.\n * For example, if a batch added several letters, undoing the batch should remove them. It is important to apply undoing\n * operations in the reversed order, so if a batch has operation `X`, `Y`, `Z`, reversed operations `Zr`, `Yr` and `Xr`\n * need to be applied. Otherwise reversed operation `Xr` would operate on a wrong document state, because operation `X`\n * does not know that operations `Y` and `Z` happened.\n *\n * After operations from an undone batch got {@link module:engine/model/operation/operation~Operation#getReversed reversed},\n * one needs to make sure if they are ready to be applied. In the scenario above, operation `C3` is the last operation and `C3r`\n * bases on up-to-date document state, so it can be applied to the document.\n *\n *\t\t     History                             Undo stack\n *\t\t=================             ==================================\n *\t\t[ operation A1  ]                      [  batch A  ]\n *\t\t[ operation B1  ]                      [  batch B  ]\n *\t\t[ operation B2  ]             [   processing undoing batch C   ]\n *\t\t[ operation C1  ]\n *\t\t[ operation C2  ]\n *\t\t[ operation B3  ]\n *\t\t[ operation C3  ]\n *\t\t[ operation C3r ]\n *\n * Next is operation `C2`, reversed to `C2r`. `C2r` bases on `C2`, so it bases on the wrong document state. It needs to be\n * transformed by operations from history that happened after it, so it \"knows\" about them. Let us assume that `C2' = C2r * B3 * C3 * C3r`,\n * where `*` means \"transformed by\". Rest of operations from that batch are processed in the same fashion.\n *\n *\t\t     History                             Undo stack                                      Redo stack\n *\t\t=================             ==================================             ==================================\n *\t\t[ operation A1  ]                      [  batch A  ]                                    [ batch Cr ]\n *\t\t[ operation B1  ]                      [  batch B  ]\n *\t\t[ operation B2  ]\n *\t\t[ operation C1  ]\n *\t\t[ operation C2  ]\n *\t\t[ operation B3  ]\n *\t\t[ operation C3  ]\n *\t\t[ operation C3r ]\n *\t\t[ operation C2' ]\n *\t\t[ operation C1' ]\n *\n * Selective undo works on the same basis, however, instead of undoing the last batch in the undo stack, any batch can be undone.\n * The same algorithm applies: operations from a batch (i.e. `A1`) are reversed and then transformed by operations stored in history.\n *\n * Redo also is very similar to undo. It has its own stack that is filled with undoing (reversed batches). Operations from\n * batch that is re-done are reversed-back, transformed in proper order and applied to the document.\n *\n *\t\t     History                             Undo stack                                      Redo stack\n *\t\t=================             ==================================             ==================================\n *\t\t[ operation A1  ]                      [  batch A  ]\n *\t\t[ operation B1  ]                      [  batch B  ]\n *\t\t[ operation B2  ]                      [ batch Crr ]\n *\t\t[ operation C1  ]\n *\t\t[ operation C2  ]\n *\t\t[ operation B3  ]\n *\t\t[ operation C3  ]\n *\t\t[ operation C3r ]\n *\t\t[ operation C2' ]\n *\t\t[ operation C1' ]\n *\t\t[ operation C1'r]\n *\t\t[ operation C2'r]\n *\t\t[ operation C3rr]\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Undo extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ UndoEditing, UndoUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Undo';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals window, document */\n\n/**\n * @module adapter-ckfinder/utils\n */\n\nconst TOKEN_COOKIE_NAME = 'ckCsrfToken';\nconst TOKEN_LENGTH = 40;\nconst tokenCharset = 'abcdefghijklmnopqrstuvwxyz0123456789';\n\n/**\n * Returns the CSRF token value. The value is a hash stored in `document.cookie`\n * under the `ckCsrfToken` key. The CSRF token can be used to secure the communication\n * between the web browser and the CKFinder server.\n *\n * @returns {String}\n */\nexport function getCsrfToken() {\n\tlet token = getCookie( TOKEN_COOKIE_NAME );\n\n\tif ( !token || token.length != TOKEN_LENGTH ) {\n\t\ttoken = generateToken( TOKEN_LENGTH );\n\t\tsetCookie( TOKEN_COOKIE_NAME, token );\n\t}\n\n\treturn token;\n}\n\n/**\n * Returns the value of the cookie with a given name or `null` if the cookie is not found.\n *\n * @param {String} name\n * @returns {String|null}\n */\nexport function getCookie( name ) {\n\tname = name.toLowerCase();\n\tconst parts = document.cookie.split( ';' );\n\n\tfor ( const part of parts ) {\n\t\tconst pair = part.split( '=' );\n\t\tconst key = decodeURIComponent( pair[ 0 ].trim().toLowerCase() );\n\n\t\tif ( key === name ) {\n\t\t\treturn decodeURIComponent( pair[ 1 ] );\n\t\t}\n\t}\n\n\treturn null;\n}\n\n/**\n * Sets the value of the cookie with a given name.\n *\n * @param {String} name\n * @param {String} value\n */\nexport function setCookie( name, value ) {\n\tdocument.cookie = encodeURIComponent( name ) + '=' + encodeURIComponent( value ) + ';path=/';\n}\n\n// Generates the CSRF token with the given length.\n//\n// @private\n// @param {Number} length\n// @returns {string}\nfunction generateToken( length ) {\n\tlet result = '';\n\tconst randValues = new Uint8Array( length );\n\n\twindow.crypto.getRandomValues( randValues );\n\n\tfor ( let j = 0; j < randValues.length; j++ ) {\n\t\tconst character = tokenCharset.charAt( randValues[ j ] % tokenCharset.length );\n\t\tresult += Math.random() > 0.5 ? character.toUpperCase() : character;\n\t}\n\n\treturn result;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/* globals XMLHttpRequest, FormData */\n\n/**\n * @module adapter-ckfinder/uploadadapter\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { FileRepository } from 'ckeditor5/src/upload';\n\nimport { getCsrfToken } from './utils';\n\n/**\n * A plugin that enables file uploads in CKEditor 5 using the CKFinder server–side connector.\n *\n * See the {@glink features/images/image-upload/ckfinder \"CKFinder file manager integration\" guide} to learn how to configure\n * and use this feature as well as find out more about the full integration with the file manager\n * provided by the {@link module:ckfinder/ckfinder~CKFinder} plugin.\n *\n * Check out the {@glink features/images/image-upload/image-upload comprehensive \"Image upload overview\"} to learn about\n * other ways to upload images into CKEditor 5.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CKFinderUploadAdapter extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ FileRepository ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'CKFinderUploadAdapter';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst url = this.editor.config.get( 'ckfinder.uploadUrl' );\n\n\t\tif ( !url ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Register CKFinderAdapter\n\t\tthis.editor.plugins.get( FileRepository ).createUploadAdapter = loader => new UploadAdapter( loader, url, this.editor.t );\n\t}\n}\n\n/**\n * Upload adapter for CKFinder.\n *\n * @private\n * @implements module:upload/filerepository~UploadAdapter\n */\nclass UploadAdapter {\n\t/**\n\t * Creates a new adapter instance.\n\t *\n\t * @param {module:upload/filerepository~FileLoader} loader\n\t * @param {String} url\n\t * @param {module:utils/locale~Locale#t} t\n\t */\n\tconstructor( loader, url, t ) {\n\t\t/**\n\t\t * FileLoader instance to use during the upload.\n\t\t *\n\t\t * @member {module:upload/filerepository~FileLoader} #loader\n\t\t */\n\t\tthis.loader = loader;\n\n\t\t/**\n\t\t * Upload URL.\n\t\t *\n\t\t * @member {String} #url\n\t\t */\n\t\tthis.url = url;\n\n\t\t/**\n\t\t * Locale translation method.\n\t\t *\n\t\t * @member {module:utils/locale~Locale#t} #t\n\t\t */\n\t\tthis.t = t;\n\t}\n\n\t/**\n\t * Starts the upload process.\n\t *\n\t * @see module:upload/filerepository~UploadAdapter#upload\n\t * @returns {Promise.<Object>}\n\t */\n\tupload() {\n\t\treturn this.loader.file.then( file => {\n\t\t\treturn new Promise( ( resolve, reject ) => {\n\t\t\t\tthis._initRequest();\n\t\t\t\tthis._initListeners( resolve, reject, file );\n\t\t\t\tthis._sendRequest( file );\n\t\t\t} );\n\t\t} );\n\t}\n\n\t/**\n\t * Aborts the upload process.\n\t *\n\t * @see module:upload/filerepository~UploadAdapter#abort\n\t */\n\tabort() {\n\t\tif ( this.xhr ) {\n\t\t\tthis.xhr.abort();\n\t\t}\n\t}\n\n\t/**\n\t * Initializes the XMLHttpRequest object.\n\t *\n\t * @private\n\t */\n\t_initRequest() {\n\t\tconst xhr = this.xhr = new XMLHttpRequest();\n\n\t\txhr.open( 'POST', this.url, true );\n\t\txhr.responseType = 'json';\n\t}\n\n\t/**\n\t * Initializes XMLHttpRequest listeners.\n\t *\n\t * @private\n\t * @param {Function} resolve Callback function to be called when the request is successful.\n\t * @param {Function} reject Callback function to be called when the request cannot be completed.\n\t * @param {File} file File instance to be uploaded.\n\t */\n\t_initListeners( resolve, reject, file ) {\n\t\tconst xhr = this.xhr;\n\t\tconst loader = this.loader;\n\t\tconst t = this.t;\n\t\tconst genericError = t( 'Cannot upload file:' ) + ` ${ file.name }.`;\n\n\t\txhr.addEventListener( 'error', () => reject( genericError ) );\n\t\txhr.addEventListener( 'abort', () => reject() );\n\t\txhr.addEventListener( 'load', () => {\n\t\t\tconst response = xhr.response;\n\n\t\t\tif ( !response || !response.uploaded ) {\n\t\t\t\treturn reject( response && response.error && response.error.message ? response.error.message : genericError );\n\t\t\t}\n\n\t\t\tresolve( {\n\t\t\t\tdefault: response.url\n\t\t\t} );\n\t\t} );\n\n\t\t// Upload progress when it's supported.\n\t\t/* istanbul ignore else */\n\t\tif ( xhr.upload ) {\n\t\t\txhr.upload.addEventListener( 'progress', evt => {\n\t\t\t\tif ( evt.lengthComputable ) {\n\t\t\t\t\tloader.uploadTotal = evt.total;\n\t\t\t\t\tloader.uploaded = evt.loaded;\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Prepares the data and sends the request.\n\t *\n\t * @private\n\t * @param {File} file File instance to be uploaded.\n\t */\n\t_sendRequest( file ) {\n\t\t// Prepare form data.\n\t\tconst data = new FormData();\n\t\tdata.append( 'upload', file );\n\t\tdata.append( 'ckCsrfToken', getCsrfToken() );\n\n\t\t// Send request.\n\t\tthis.xhr.send( data );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport { LiveRange } from 'ckeditor5/src/engine';\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * The block autoformatting engine. It allows to format various block patterns. For example,\n * it can be configured to turn a paragraph starting with `*` and followed by a space into a list item.\n *\n * The autoformatting operation is integrated with the undo manager,\n * so the autoformatting step can be undone if the user's intention was not to format the text.\n *\n * See the {@link module:autoformat/blockautoformatediting~blockAutoformatEditing `blockAutoformatEditing`} documentation\n * to learn how to create custom block autoformatters. You can also use\n * the {@link module:autoformat/autoformat~Autoformat} feature which enables a set of default autoformatters\n * (lists, headings, bold and italic).\n *\n * @module autoformat/blockautoformatediting\n */\n\n/**\n * Creates a listener triggered on {@link module:engine/model/document~Document#event:change:data `change:data`} event in the document.\n * Calls the callback when inserted text matches the regular expression or the command name\n * if provided instead of the callback.\n *\n * Examples of usage:\n *\n * To convert a paragraph to heading 1 when `- ` is typed, using just the command name:\n *\n *\t\tblockAutoformatEditing( editor, plugin, /^\\- $/, 'heading1' );\n *\n * To convert a paragraph to heading 1 when `- ` is typed, using just the callback:\n *\n *\t\tblockAutoformatEditing( editor, plugin, /^\\- $/, ( context ) => {\n *\t\t\tconst { match } = context;\n *\t\t\tconst headingLevel = match[ 1 ].length;\n *\n *\t\t\teditor.execute( 'heading', {\n *\t\t\t\tformatId: `heading${ headingLevel }`\n *\t\t\t} );\n * \t\t} );\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @param {module:autoformat/autoformat~Autoformat} plugin The autoformat plugin instance.\n * @param {RegExp} pattern The regular expression to execute on just inserted text. The regular expression is tested against the text\n * from the beginning until the caret position.\n * @param {Function|String} callbackOrCommand The callback to execute or the command to run when the text is matched.\n * In case of providing the callback, it receives the following parameter:\n * * {Object} match RegExp.exec() result of matching the pattern to inserted text.\n */\nexport default function blockAutoformatEditing( editor, plugin, pattern, callbackOrCommand ) {\n\tlet callback;\n\tlet command = null;\n\n\tif ( typeof callbackOrCommand == 'function' ) {\n\t\tcallback = callbackOrCommand;\n\t} else {\n\t\t// We assume that the actual command name was provided.\n\t\tcommand = editor.commands.get( callbackOrCommand );\n\n\t\tcallback = () => {\n\t\t\teditor.execute( callbackOrCommand );\n\t\t};\n\t}\n\n\teditor.model.document.on( 'change:data', ( evt, batch ) => {\n\t\tif ( command && !command.isEnabled || !plugin.isEnabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst range = first( editor.model.document.selection.getRanges() );\n\n\t\tif ( !range.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( batch.isUndo || !batch.isLocal ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst changes = Array.from( editor.model.document.differ.getChanges() );\n\t\tconst entry = changes[ 0 ];\n\n\t\t// Typing is represented by only a single change.\n\t\tif ( changes.length != 1 || entry.type !== 'insert' || entry.name != '$text' || entry.length != 1 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst blockToFormat = entry.position.parent;\n\n\t\t// Block formatting should be disabled in codeBlocks (#5800).\n\t\tif ( blockToFormat.is( 'element', 'codeBlock' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Only list commands and custom callbacks can be applied inside a list.\n\t\tif ( blockToFormat.is( 'element', 'listItem' ) &&\n\t\t\ttypeof callbackOrCommand !== 'function' &&\n\t\t\t![ 'numberedList', 'bulletedList', 'todoList' ].includes( callbackOrCommand )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\t// In case a command is bound, do not re-execute it over an existing block style which would result with a style removal.\n\t\t// Instead just drop processing so that autoformat trigger text is not lost. E.g. writing \"# \" in a level 1 heading.\n\t\tif ( command && command.value === true ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst firstNode = blockToFormat.getChild( 0 );\n\t\tconst firstNodeRange = editor.model.createRangeOn( firstNode );\n\n\t\t// Range is only expected to be within or at the very end of the first text node.\n\t\tif ( !firstNodeRange.containsRange( range ) && !range.end.isEqual( firstNodeRange.end ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst match = pattern.exec( firstNode.data.substr( 0, range.end.offset ) );\n\n\t\t// ...and this text node's data match the pattern.\n\t\tif ( !match ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Use enqueueChange to create new batch to separate typing batch from the auto-format changes.\n\t\teditor.model.enqueueChange( writer => {\n\t\t\t// Matched range.\n\t\t\tconst start = writer.createPositionAt( blockToFormat, 0 );\n\t\t\tconst end = writer.createPositionAt( blockToFormat, match[ 0 ].length );\n\t\t\tconst range = new LiveRange( start, end );\n\n\t\t\tconst wasChanged = callback( { match } );\n\n\t\t\t// Remove matched text.\n\t\t\tif ( wasChanged !== false ) {\n\t\t\t\twriter.remove( range );\n\n\t\t\t\tconst selectionRange = editor.model.document.selection.getFirstRange();\n\t\t\t\tconst blockRange = writer.createRangeIn( blockToFormat );\n\n\t\t\t\t// If the block is empty and the document selection has been moved when\n\t\t\t\t// applying formatting (e.g. is now in newly created block).\n\t\t\t\tif ( blockToFormat.isEmpty && !blockRange.isEqual( selectionRange ) && !blockRange.containsRange( selectionRange, true ) ) {\n\t\t\t\t\twriter.remove( blockToFormat );\n\t\t\t\t}\n\t\t\t}\n\t\t\trange.detach();\n\n\t\t\teditor.model.enqueueChange( () => {\n\t\t\t\teditor.plugins.get( 'Delete' ).requestUndoOnBackspace();\n\t\t\t} );\n\t\t} );\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * The inline autoformatting engine. It allows to format various inline patterns. For example,\n * it can be configured to make \"foo\" bold when typed `**foo**` (the `**` markers will be removed).\n *\n * The autoformatting operation is integrated with the undo manager,\n * so the autoformatting step can be undone if the user's intention was not to format the text.\n *\n * See the {@link module:autoformat/inlineautoformatediting~inlineAutoformatEditing `inlineAutoformatEditing`} documentation\n * to learn how to create custom inline autoformatters. You can also use\n * the {@link module:autoformat/autoformat~Autoformat} feature which enables a set of default autoformatters\n * (lists, headings, bold and italic).\n *\n * @module autoformat/inlineautoformatediting\n */\n\n/**\n * Enables autoformatting mechanism for a given {@link module:core/editor/editor~Editor}.\n *\n * It formats the matched text by applying the given model attribute or by running the provided formatting callback.\n * On every {@link module:engine/model/document~Document#event:change:data data change} in the model document\n * the autoformatting engine checks the text on the left of the selection\n * and executes the provided action if the text matches given criteria (regular expression or callback).\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @param {module:autoformat/autoformat~Autoformat} plugin The autoformat plugin instance.\n * @param {Function|RegExp} testRegexpOrCallback The regular expression or callback to execute on text.\n * Provided regular expression *must* have three capture groups. The first and the third capture group\n * should match opening and closing delimiters. The second capture group should match the text to format.\n *\n *\t\t// Matches the `**bold text**` pattern.\n *\t\t// There are three capturing groups:\n *\t\t// - The first to match the starting `**` delimiter.\n *\t\t// - The second to match the text to format.\n *\t\t// - The third to match the ending `**` delimiter.\n *\t\tinlineAutoformatEditing( editor, plugin, /(\\*\\*)([^\\*]+?)(\\*\\*)$/g, formatCallback );\n *\n * When a function is provided instead of the regular expression, it will be executed with the text to match as a parameter.\n * The function should return proper \"ranges\" to delete and format.\n *\n *\t\t{\n *\t\t\tremove: [\n *\t\t\t\t[ 0, 1 ],\t// Remove the first letter from the given text.\n *\t\t\t\t[ 5, 6 ]\t// Remove the 6th letter from the given text.\n *\t\t\t],\n *\t\t\tformat: [\n *\t\t\t\t[ 1, 5 ]\t// Format all letters from 2nd to 5th.\n *\t\t\t]\n *\t\t}\n *\n * @param {Function} formatCallback A callback to apply actual formatting.\n * It should return `false` if changes should not be applied (e.g. if a command is disabled).\n *\n *\t\tinlineAutoformatEditing( editor, plugin, /(\\*\\*)([^\\*]+?)(\\*\\*)$/g, ( writer, rangesToFormat ) => {\n *\t\t\tconst command = editor.commands.get( 'bold' );\n *\n *\t\t\tif ( !command.isEnabled ) {\n *\t\t\t\treturn false;\n *\t\t\t}\n *\n *\t\t\tconst validRanges = editor.model.schema.getValidRanges( rangesToFormat, 'bold' );\n *\n *\t\t\tfor ( let range of validRanges ) {\n *\t\t\t\twriter.setAttribute( 'bold', true, range );\n *\t\t\t}\n *\t\t} );\n */\nexport default function inlineAutoformatEditing( editor, plugin, testRegexpOrCallback, formatCallback ) {\n\tlet regExp;\n\tlet testCallback;\n\n\tif ( testRegexpOrCallback instanceof RegExp ) {\n\t\tregExp = testRegexpOrCallback;\n\t} else {\n\t\ttestCallback = testRegexpOrCallback;\n\t}\n\n\t// A test callback run on changed text.\n\ttestCallback = testCallback || ( text => {\n\t\tlet result;\n\t\tconst remove = [];\n\t\tconst format = [];\n\n\t\twhile ( ( result = regExp.exec( text ) ) !== null ) {\n\t\t\t// There should be full match and 3 capture groups.\n\t\t\tif ( result && result.length < 4 ) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tlet {\n\t\t\t\tindex,\n\t\t\t\t'1': leftDel,\n\t\t\t\t'2': content,\n\t\t\t\t'3': rightDel\n\t\t\t} = result;\n\n\t\t\t// Real matched string - there might be some non-capturing groups so we need to recalculate starting index.\n\t\t\tconst found = leftDel + content + rightDel;\n\t\t\tindex += result[ 0 ].length - found.length;\n\n\t\t\t// Start and End offsets of delimiters to remove.\n\t\t\tconst delStart = [\n\t\t\t\tindex,\n\t\t\t\tindex + leftDel.length\n\t\t\t];\n\t\t\tconst delEnd = [\n\t\t\t\tindex + leftDel.length + content.length,\n\t\t\t\tindex + leftDel.length + content.length + rightDel.length\n\t\t\t];\n\n\t\t\tremove.push( delStart );\n\t\t\tremove.push( delEnd );\n\n\t\t\tformat.push( [ index + leftDel.length, index + leftDel.length + content.length ] );\n\t\t}\n\n\t\treturn {\n\t\t\tremove,\n\t\t\tformat\n\t\t};\n\t} );\n\n\teditor.model.document.on( 'change:data', ( evt, batch ) => {\n\t\tif ( batch.isUndo || !batch.isLocal || !plugin.isEnabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst model = editor.model;\n\t\tconst selection = model.document.selection;\n\n\t\t// Do nothing if selection is not collapsed.\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst changes = Array.from( model.document.differ.getChanges() );\n\t\tconst entry = changes[ 0 ];\n\n\t\t// Typing is represented by only a single change.\n\t\tif ( changes.length != 1 || entry.type !== 'insert' || entry.name != '$text' || entry.length != 1 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst focus = selection.focus;\n\t\tconst block = focus.parent;\n\t\tconst { text, range } = getTextAfterCode( model.createRange( model.createPositionAt( block, 0 ), focus ), model );\n\t\tconst testOutput = testCallback( text );\n\t\tconst rangesToFormat = testOutputToRanges( range.start, testOutput.format, model );\n\t\tconst rangesToRemove = testOutputToRanges( range.start, testOutput.remove, model );\n\n\t\tif ( !( rangesToFormat.length && rangesToRemove.length ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Use enqueueChange to create new batch to separate typing batch from the auto-format changes.\n\t\tmodel.enqueueChange( writer => {\n\t\t\t// Apply format.\n\t\t\tconst hasChanged = formatCallback( writer, rangesToFormat );\n\n\t\t\t// Strict check on `false` to have backward compatibility (when callbacks were returning `undefined`).\n\t\t\tif ( hasChanged === false ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Remove delimiters - use reversed order to not mix the offsets while removing.\n\t\t\tfor ( const range of rangesToRemove.reverse() ) {\n\t\t\t\twriter.remove( range );\n\t\t\t}\n\n\t\t\tmodel.enqueueChange( () => {\n\t\t\t\teditor.plugins.get( 'Delete' ).requestUndoOnBackspace();\n\t\t\t} );\n\t\t} );\n\t} );\n}\n\n// Converts output of the test function provided to the inlineAutoformatEditing and converts it to the model ranges\n// inside provided block.\n//\n// @private\n// @param {module:engine/model/position~Position} start\n// @param {Array.<Array>} arrays\n// @param {module:engine/model/model~Model} model\nfunction testOutputToRanges( start, arrays, model ) {\n\treturn arrays\n\t\t.filter( array => ( array[ 0 ] !== undefined && array[ 1 ] !== undefined ) )\n\t\t.map( array => {\n\t\t\treturn model.createRange( start.getShiftedBy( array[ 0 ] ), start.getShiftedBy( array[ 1 ] ) );\n\t\t} );\n}\n\n// Returns the last text line after the last code element from the given range.\n// It is similar to {@link module:typing/utils/getlasttextline.getLastTextLine `getLastTextLine()`},\n// but it ignores any text before the last `code`.\n//\n// @param {module:engine/model/range~Range} range\n// @param {module:engine/model/model~Model} model\n// @returns {module:typing/utils/getlasttextline~LastTextLineData}\nfunction getTextAfterCode( range, model ) {\n\tlet start = range.start;\n\n\tconst text = Array.from( range.getItems() ).reduce( ( rangeText, node ) => {\n\t\t// Trim text to a last occurrence of an inline element and update range start.\n\t\tif ( !( node.is( '$text' ) || node.is( '$textProxy' ) ) || node.getAttribute( 'code' ) ) {\n\t\t\tstart = model.createPositionAfter( node );\n\n\t\t\treturn '';\n\t\t}\n\n\t\treturn rangeText + node.data;\n\t}, '' );\n\n\treturn { text, range: model.createRange( start, range.end ) };\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module autoformat/autoformat\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Delete } from 'ckeditor5/src/typing';\n\nimport blockAutoformatEditing from './blockautoformatediting';\nimport inlineAutoformatEditing from './inlineautoformatediting';\n\n/**\n * Enables a set of predefined autoformatting actions.\n *\n * For a detailed overview, check the {@glink features/autoformat Autoformatting feature documentation}\n * and the {@glink api/autoformat package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Autoformat extends Plugin {\n\t/**\n\t * @inheritdoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Delete ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Autoformat';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tthis._addListAutoformats();\n\t\tthis._addBasicStylesAutoformats();\n\t\tthis._addHeadingAutoformats();\n\t\tthis._addBlockQuoteAutoformats();\n\t\tthis._addCodeBlockAutoformats();\n\t\tthis._addHorizontalLineAutoformats();\n\t}\n\n\t/**\n\t * Adds autoformatting related to the {@link module:list/list~List}.\n\t *\n\t * When typed:\n\t * - `* ` or `- ` &ndash; A paragraph will be changed to a bulleted list.\n\t * - `1. ` or `1) ` &ndash; A paragraph will be changed to a numbered list (\"1\" can be any digit or a list of digits).\n\t * - `[] ` or `[ ] ` &ndash; A paragraph will be changed to a to-do list.\n\t * - `[x] ` or `[ x ] ` &ndash; A paragraph will be changed to a checked to-do list.\n\t *\n\t * @private\n\t */\n\t_addListAutoformats() {\n\t\tconst commands = this.editor.commands;\n\n\t\tif ( commands.get( 'bulletedList' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^[*-]\\s$/, 'bulletedList' );\n\t\t}\n\n\t\tif ( commands.get( 'numberedList' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^1[.|)]\\s$/, 'numberedList' );\n\t\t}\n\n\t\tif ( commands.get( 'todoList' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^\\[\\s?\\]\\s$/, 'todoList' );\n\t\t}\n\n\t\tif ( commands.get( 'checkTodoList' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^\\[\\s?x\\s?\\]\\s$/, () => {\n\t\t\t\tthis.editor.execute( 'todoList' );\n\t\t\t\tthis.editor.execute( 'checkTodoList' );\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to the {@link module:basic-styles/bold~Bold},\n\t * {@link module:basic-styles/italic~Italic}, {@link module:basic-styles/code~Code}\n\t * and {@link module:basic-styles/strikethrough~Strikethrough}\n\t *\n\t * When typed:\n\t * - `**foobar**` &ndash; `**` characters are removed and `foobar` is set to bold,\n\t * - `__foobar__` &ndash; `__` characters are removed and `foobar` is set to bold,\n\t * - `*foobar*` &ndash; `*` characters are removed and `foobar` is set to italic,\n\t * - `_foobar_` &ndash; `_` characters are removed and `foobar` is set to italic,\n\t * - ``` `foobar` &ndash; ``` ` ``` characters are removed and `foobar` is set to code,\n\t * - `~~foobar~~` &ndash; `~~` characters are removed and `foobar` is set to strikethrough.\n\t *\n\t * @private\n\t */\n\t_addBasicStylesAutoformats() {\n\t\tconst commands = this.editor.commands;\n\n\t\tif ( commands.get( 'bold' ) ) {\n\t\t\tconst boldCallback = getCallbackFunctionForInlineAutoformat( this.editor, 'bold' );\n\n\t\t\tinlineAutoformatEditing( this.editor, this, /(?:^|\\s)(\\*\\*)([^*]+)(\\*\\*)$/g, boldCallback );\n\t\t\tinlineAutoformatEditing( this.editor, this, /(?:^|\\s)(__)([^_]+)(__)$/g, boldCallback );\n\t\t}\n\n\t\tif ( commands.get( 'italic' ) ) {\n\t\t\tconst italicCallback = getCallbackFunctionForInlineAutoformat( this.editor, 'italic' );\n\n\t\t\t// The italic autoformatter cannot be triggered by the bold markers, so we need to check the\n\t\t\t// text before the pattern (e.g. `(?:^|[^\\*])`).\n\t\t\tinlineAutoformatEditing( this.editor, this, /(?:^|\\s)(\\*)([^*_]+)(\\*)$/g, italicCallback );\n\t\t\tinlineAutoformatEditing( this.editor, this, /(?:^|\\s)(_)([^_]+)(_)$/g, italicCallback );\n\t\t}\n\n\t\tif ( commands.get( 'code' ) ) {\n\t\t\tconst codeCallback = getCallbackFunctionForInlineAutoformat( this.editor, 'code' );\n\n\t\t\tinlineAutoformatEditing( this.editor, this, /(`)([^`]+)(`)$/g, codeCallback );\n\t\t}\n\n\t\tif ( commands.get( 'strikethrough' ) ) {\n\t\t\tconst strikethroughCallback = getCallbackFunctionForInlineAutoformat( this.editor, 'strikethrough' );\n\n\t\t\tinlineAutoformatEditing( this.editor, this, /(~~)([^~]+)(~~)$/g, strikethroughCallback );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to {@link module:heading/heading~Heading}.\n\t *\n\t * It is using a number at the end of the command name to associate it with the proper trigger:\n\t *\n\t * * `heading` with value `heading1` will be executed when typing `#`,\n\t * * `heading` with value `heading2` will be executed when typing `##`,\n\t * * ... up to `heading6` and `######`.\n\t *\n\t * @private\n\t */\n\t_addHeadingAutoformats() {\n\t\tconst command = this.editor.commands.get( 'heading' );\n\n\t\tif ( command ) {\n\t\t\tcommand.modelElements\n\t\t\t\t.filter( name => name.match( /^heading[1-6]$/ ) )\n\t\t\t\t.forEach( modelName => {\n\t\t\t\t\tconst level = modelName[ 7 ];\n\t\t\t\t\tconst pattern = new RegExp( `^(#{${ level }})\\\\s$` );\n\n\t\t\t\t\tblockAutoformatEditing( this.editor, this, pattern, () => {\n\t\t\t\t\t\t// Should only be active if command is enabled and heading style associated with pattern is inactive.\n\t\t\t\t\t\tif ( !command.isEnabled || command.value === modelName ) {\n\t\t\t\t\t\t\treturn false;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tthis.editor.execute( 'heading', { value: modelName } );\n\t\t\t\t\t} );\n\t\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to {@link module:block-quote/blockquote~BlockQuote}.\n\t *\n\t * When typed:\n\t * * `> ` &ndash; A paragraph will be changed to a block quote.\n\t *\n\t * @private\n\t */\n\t_addBlockQuoteAutoformats() {\n\t\tif ( this.editor.commands.get( 'blockQuote' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^>\\s$/, 'blockQuote' );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to {@link module:code-block/codeblock~CodeBlock}.\n\t *\n\t * When typed:\n\t * - `` ``` `` &ndash; A paragraph will be changed to a code block.\n\t *\n\t * @private\n\t */\n\t_addCodeBlockAutoformats() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\n\t\tif ( editor.commands.get( 'codeBlock' ) ) {\n\t\t\tblockAutoformatEditing( editor, this, /^```$/, () => {\n\t\t\t\tif ( selection.getFirstPosition().parent.is( 'element', 'listItem' ) ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t\tthis.editor.execute( 'codeBlock', {\n\t\t\t\t\tusePreviousLanguageChoice: true\n\t\t\t\t} );\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Adds autoformatting related to {@link module:horizontal-line/horizontalline~HorizontalLine}.\n\t *\n\t * When typed:\n\t * - `` --- `` &ndash; Will be replaced with a horizontal line.\n\t *\n\t * @private\n\t */\n\t_addHorizontalLineAutoformats() {\n\t\tif ( this.editor.commands.get( 'horizontalLine' ) ) {\n\t\t\tblockAutoformatEditing( this.editor, this, /^---$/, 'horizontalLine' );\n\t\t}\n\t}\n}\n\n// Helper function for getting `inlineAutoformatEditing` callbacks that checks if command is enabled.\n//\n// @param {module:core/editor/editor~Editor} editor\n// @param {String} attributeKey\n// @returns {Function}\nfunction getCallbackFunctionForInlineAutoformat( editor, attributeKey ) {\n\treturn ( writer, rangesToFormat ) => {\n\t\tconst command = editor.commands.get( attributeKey );\n\n\t\tif ( !command.isEnabled ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tconst validRanges = editor.model.schema.getValidRanges( rangesToFormat, attributeKey );\n\n\t\tfor ( const range of validRanges ) {\n\t\t\twriter.setAttribute( attributeKey, true, range );\n\t\t}\n\n\t\t// After applying attribute to the text, remove given attribute from the selection.\n\t\t// This way user is able to type a text without attribute used by auto formatter.\n\t\twriter.removeSelectionAttribute( attributeKey );\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/attributecommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\n/**\n * An extension of the base {@link module:core/command~Command} class, which provides utilities for a command\n * that toggles a single attribute on a text or an element.\n *\n * `AttributeCommand` uses {@link module:engine/model/document~Document#selection}\n * to decide which nodes (if any) should be changed, and applies or removes the attribute from them.\n *\n * The command checks the {@link module:engine/model/model~Model#schema} to decide if it can be enabled\n * for the current selection and to which nodes the attribute can be applied.\n *\n * @extends module:core/command~Command\n */\nexport default class AttributeCommand extends Command {\n\t/**\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {String} attributeKey Attribute that will be set by the command.\n\t */\n\tconstructor( editor, attributeKey ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The attribute that will be set by the command.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.attributeKey = attributeKey;\n\n\t\t/**\n\t\t * Flag indicating whether the command is active. The command is active when the\n\t\t * {@link module:engine/model/selection~Selection#hasAttribute selection has the attribute} which means that:\n\t\t *\n\t\t * * If the selection is not empty &ndash; That the attribute is set on the first node in the selection that allows this attribute.\n\t\t * * If the selection is empty &ndash; That the selection has the attribute itself (which means that newly typed\n\t\t * text will have this attribute, too).\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #value\n\t\t */\n\t}\n\n\t/**\n\t * Updates the command's {@link #value} and {@link #isEnabled} based on the current selection.\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tthis.value = this._getValueFromFirstAllowedNode();\n\t\tthis.isEnabled = model.schema.checkAttributeInSelection( doc.selection, this.attributeKey );\n\t}\n\n\t/**\n\t * Executes the command &mdash; applies the attribute to the selection or removes it from the selection.\n\t *\n\t * If the command is active (`value == true`), it will remove attributes. Otherwise, it will set attributes.\n\t *\n\t * The execution result differs, depending on the {@link module:engine/model/document~Document#selection}:\n\t *\n\t * * If the selection is on a range, the command applies the attribute to all nodes in that range\n\t * (if they are allowed to have this attribute by the {@link module:engine/model/schema~Schema schema}).\n\t * * If the selection is collapsed in a non-empty node, the command applies the attribute to the\n\t * {@link module:engine/model/document~Document#selection} itself (note that typed characters copy attributes from the selection).\n\t * * If the selection is collapsed in an empty node, the command applies the attribute to the parent node of the selection (note\n\t * that the selection inherits all attributes from a node if it is in an empty node).\n\t *\n\t * @fires execute\n\t * @param {Object} [options] Command options.\n\t * @param {Boolean} [options.forceValue] If set, it will force the command behavior. If `true`, the command will apply the attribute,\n\t * otherwise the command will remove the attribute.\n\t * If not set, the command will look for its current value to decide what it should do.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst selection = doc.selection;\n\t\tconst value = ( options.forceValue === undefined ) ? !this.value : options.forceValue;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\tif ( value ) {\n\t\t\t\t\twriter.setSelectionAttribute( this.attributeKey, true );\n\t\t\t\t} else {\n\t\t\t\t\twriter.removeSelectionAttribute( this.attributeKey );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst ranges = model.schema.getValidRanges( selection.getRanges(), this.attributeKey );\n\n\t\t\t\tfor ( const range of ranges ) {\n\t\t\t\t\tif ( value ) {\n\t\t\t\t\t\twriter.setAttribute( this.attributeKey, value, range );\n\t\t\t\t\t} else {\n\t\t\t\t\t\twriter.removeAttribute( this.attributeKey, range );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the attribute value of the first node in the selection that allows the attribute.\n\t * For the collapsed selection returns the selection attribute.\n\t *\n\t * @private\n\t * @returns {Boolean} The attribute value.\n\t */\n\t_getValueFromFirstAllowedNode() {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst selection = model.document.selection;\n\n\t\tif ( selection.isCollapsed ) {\n\t\t\treturn selection.hasAttribute( this.attributeKey );\n\t\t}\n\n\t\tfor ( const range of selection.getRanges() ) {\n\t\t\tfor ( const item of range.getItems() ) {\n\t\t\t\tif ( schema.checkAttribute( item, this.attributeKey ) ) {\n\t\t\t\t\treturn item.hasAttribute( this.attributeKey );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn false;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/bold/boldediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport AttributeCommand from '../attributecommand';\n\nconst BOLD = 'bold';\n\n/**\n * The bold editing feature.\n *\n * It registers the `'bold'` command and introduces the `bold` attribute in the model which renders to the view\n * as a `<strong>` element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BoldEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BoldEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\t// Allow bold attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: BOLD } );\n\t\teditor.model.schema.setAttributeProperties( BOLD, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: true\n\t\t} );\n\n\t\t// Build converter from model to view for data and editing pipelines.\n\t\teditor.conversion.attributeToElement( {\n\t\t\tmodel: BOLD,\n\t\t\tview: 'strong',\n\t\t\tupcastAlso: [\n\t\t\t\t'b',\n\t\t\t\tviewElement => {\n\t\t\t\t\tconst fontWeight = viewElement.getStyle( 'font-weight' );\n\n\t\t\t\t\tif ( !fontWeight ) {\n\t\t\t\t\t\treturn null;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Value of the `font-weight` attribute can be defined as a string or a number.\n\t\t\t\t\tif ( fontWeight == 'bold' || Number( fontWeight ) >= 600 ) {\n\t\t\t\t\t\treturn {\n\t\t\t\t\t\t\tname: true,\n\t\t\t\t\t\t\tstyles: [ 'font-weight' ]\n\t\t\t\t\t\t};\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\t// Create bold command.\n\t\teditor.commands.add( BOLD, new AttributeCommand( editor, BOLD ) );\n\n\t\t// Set the Ctrl+B keystroke.\n\t\teditor.keystrokes.set( 'CTRL+B', BOLD );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/bold/boldui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView } from 'ckeditor5/src/ui';\n\nimport boldIcon from '../../theme/icons/bold.svg';\n\nconst BOLD = 'bold';\n\n/**\n * The bold UI feature. It introduces the Bold button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BoldUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BoldUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add bold button to feature components.\n\t\teditor.ui.componentFactory.add( BOLD, locale => {\n\t\t\tconst command = editor.commands.get( BOLD );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Bold' ),\n\t\t\t\ticon: boldIcon,\n\t\t\t\tkeystroke: 'CTRL+B',\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( BOLD );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/code/codeediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { TwoStepCaretMovement, inlineHighlight } from 'ckeditor5/src/typing';\n\nimport AttributeCommand from '../attributecommand';\n\nconst CODE = 'code';\nconst HIGHLIGHT_CLASS = 'ck-code_selected';\n\n/**\n * The code editing feature.\n *\n * It registers the `'code'` command and introduces the `code` attribute in the model which renders to the view\n * as a `<code>` element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CodeEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'CodeEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TwoStepCaretMovement ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Allow code attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: CODE } );\n\t\teditor.model.schema.setAttributeProperties( CODE, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: false\n\t\t} );\n\n\t\teditor.conversion.attributeToElement( {\n\t\t\tmodel: CODE,\n\t\t\tview: 'code',\n\t\t\tupcastAlso: {\n\t\t\t\tstyles: {\n\t\t\t\t\t'word-wrap': 'break-word'\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\t// Create code command.\n\t\teditor.commands.add( CODE, new AttributeCommand( editor, CODE ) );\n\n\t\t// Enable two-step caret movement for `code` attribute.\n\t\teditor.plugins.get( TwoStepCaretMovement ).registerAttribute( CODE );\n\n\t\t// Setup highlight over selected element.\n\t\tinlineHighlight( editor, CODE, 'code', HIGHLIGHT_CLASS );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./code.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./code.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/code/codeui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView } from 'ckeditor5/src/ui';\n\nimport codeIcon from '../../theme/icons/code.svg';\n\nimport '../../theme/code.css';\n\nconst CODE = 'code';\n\n/**\n * The code UI feature. It introduces the Code button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class CodeUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'CodeUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add code button to feature components.\n\t\teditor.ui.componentFactory.add( CODE, locale => {\n\t\t\tconst command = editor.commands.get( CODE );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Code' ),\n\t\t\t\ticon: codeIcon,\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( CODE );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m12.5 5.7 5.2 3.9v1.3l-5.6 4c-.1.2-.3.2-.5.2-.3-.1-.6-.7-.6-1l.3-.4 4.7-3.5L11.5 7l-.2-.2c-.1-.3-.1-.6 0-.8.2-.2.5-.4.8-.4a.8.8 0 0 1 .4.1zm-5.2 0L2 9.6v1.3l5.6 4c.1.2.3.2.5.2.3-.1.7-.7.6-1 0-.1 0-.3-.2-.4l-5-3.5L8.2 7l.2-.2c.1-.3.1-.6 0-.8-.2-.2-.5-.4-.8-.4a.8.8 0 0 0-.3.1z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/strikethrough/strikethroughediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport AttributeCommand from '../attributecommand';\n\nconst STRIKETHROUGH = 'strikethrough';\n\n/**\n * The strikethrough editing feature.\n *\n * It registers the `'strikethrough'` command, the <kbd>Ctrl+Shift+X</kbd> keystroke and introduces the\n * `strikethroughsthrough` attribute in the model which renders to the view\n * as a `<s>` element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class StrikethroughEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'StrikethroughEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Allow strikethrough attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: STRIKETHROUGH } );\n\t\teditor.model.schema.setAttributeProperties( STRIKETHROUGH, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: true\n\t\t} );\n\n\t\teditor.conversion.attributeToElement( {\n\t\t\tmodel: STRIKETHROUGH,\n\t\t\tview: 's',\n\t\t\tupcastAlso: [\n\t\t\t\t'del',\n\t\t\t\t'strike',\n\t\t\t\t{\n\t\t\t\t\tstyles: {\n\t\t\t\t\t\t'text-decoration': 'line-through'\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\t// Create strikethrough command.\n\t\teditor.commands.add( STRIKETHROUGH, new AttributeCommand( editor, STRIKETHROUGH ) );\n\n\t\t// Set the Ctrl+Shift+X keystroke.\n\t\teditor.keystrokes.set( 'CTRL+SHIFT+X', 'strikethrough' );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M7 16.4c-.8-.4-1.5-.9-2.2-1.5a.6.6 0 0 1-.2-.5l.3-.6h1c1 1.2 2.1 1.7 3.7 1.7 1 0 1.8-.3 2.3-.6.6-.4.6-1.2.6-1.3.2-1.2-.9-2.1-.9-2.1h2.1c.3.7.4 1.2.4 1.7v.8l-.6 1.2c-.6.8-1.1 1-1.6 1.2a6 6 0 0 1-2.4.6c-1 0-1.8-.3-2.5-.6zM6.8 9 6 8.3c-.4-.5-.5-.8-.5-1.6 0-.7.1-1.3.5-1.8.4-.6 1-1 1.6-1.3a6.3 6.3 0 0 1 4.7 0 4 4 0 0 1 1.7 1l.3.7c0 .1.2.4-.2.7-.4.2-.9.1-1 0a3 3 0 0 0-1.2-1c-.4-.2-1-.3-2-.4-.7 0-1.4.2-2 .6-.8.6-1 .8-1 1.5 0 .8.5 1 1.2 1.5.6.4 1.1.7 1.9 1H6.8z\\\"/><path d=\\\"M3 10.5V9h14v1.5z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/strikethrough/strikethroughui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView } from 'ckeditor5/src/ui';\n\nimport strikethroughIcon from '../../theme/icons/strikethrough.svg';\n\nconst STRIKETHROUGH = 'strikethrough';\n\n/**\n * The strikethrough UI feature. It introduces the Strikethrough button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class StrikethroughUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'StrikethroughUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add strikethrough button to feature components.\n\t\teditor.ui.componentFactory.add( STRIKETHROUGH, locale => {\n\t\t\tconst command = editor.commands.get( STRIKETHROUGH );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Strikethrough' ),\n\t\t\t\ticon: strikethroughIcon,\n\t\t\t\tkeystroke: 'CTRL+SHIFT+X',\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( STRIKETHROUGH );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/italic/italicediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport AttributeCommand from '../attributecommand';\n\nconst ITALIC = 'italic';\n\n/**\n * The italic editing feature.\n *\n * It registers the `'italic'` command, the <kbd>Ctrl+I</kbd> keystroke and introduces the `italic` attribute in the model\n * which renders to the view as an `<i>` element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ItalicEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ItalicEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Allow italic attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: ITALIC } );\n\t\teditor.model.schema.setAttributeProperties( ITALIC, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: true\n\t\t} );\n\n\t\teditor.conversion.attributeToElement( {\n\t\t\tmodel: ITALIC,\n\t\t\tview: 'i',\n\t\t\tupcastAlso: [\n\t\t\t\t'em',\n\t\t\t\t{\n\t\t\t\t\tstyles: {\n\t\t\t\t\t\t'font-style': 'italic'\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t]\n\t\t} );\n\n\t\t// Create italic command.\n\t\teditor.commands.add( ITALIC, new AttributeCommand( editor, ITALIC ) );\n\n\t\t// Set the Ctrl+I keystroke.\n\t\teditor.keystrokes.set( 'CTRL+I', ITALIC );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m9.586 14.633.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/italic/italicui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView } from 'ckeditor5/src/ui';\n\nimport italicIcon from '../../theme/icons/italic.svg';\n\nconst ITALIC = 'italic';\n\n/**\n * The italic UI feature. It introduces the Italic button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ItalicUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ItalicUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add bold button to feature components.\n\t\teditor.ui.componentFactory.add( ITALIC, locale => {\n\t\t\tconst command = editor.commands.get( ITALIC );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Italic' ),\n\t\t\t\ticon: italicIcon,\n\t\t\t\tkeystroke: 'CTRL+I',\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( ITALIC );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module block-quote/blockquotecommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * The block quote command plugin.\n *\n * @extends module:core/command~Command\n */\nexport default class BlockQuoteCommand extends Command {\n\t/**\n\t * Whether the selection starts in a block quote.\n\t *\n\t * @observable\n\t * @readonly\n\t * @member {Boolean} #value\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.value = this._getValue();\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Executes the command. When the command {@link #value is on}, all top-most block quotes within\n\t * the selection will be removed. If it is off, all selected blocks will be wrapped with\n\t * a block quote.\n\t *\n\t * @fires execute\n\t * @param {Object} [options] Command options.\n\t * @param {Boolean} [options.forceValue] If set, it will force the command behavior. If `true`, the command will apply a block quote,\n\t * otherwise the command will remove the block quote. If not set, the command will act basing on its current value.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\t\tconst selection = model.document.selection;\n\n\t\tconst blocks = Array.from( selection.getSelectedBlocks() );\n\n\t\tconst value = ( options.forceValue === undefined ) ? !this.value : options.forceValue;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( !value ) {\n\t\t\t\tthis._removeQuote( writer, blocks.filter( findQuote ) );\n\t\t\t} else {\n\t\t\t\tconst blocksToQuote = blocks.filter( block => {\n\t\t\t\t\t// Already quoted blocks needs to be considered while quoting too\n\t\t\t\t\t// in order to reuse their <bQ> elements.\n\t\t\t\t\treturn findQuote( block ) || checkCanBeQuoted( schema, block );\n\t\t\t\t} );\n\n\t\t\t\tthis._applyQuote( writer, blocksToQuote );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the command's {@link #value}.\n\t *\n\t * @private\n\t * @returns {Boolean} The current value.\n\t */\n\t_getValue() {\n\t\tconst selection = this.editor.model.document.selection;\n\n\t\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\t\t// In the current implementation, the block quote must be an immediate parent of a block element.\n\t\treturn !!( firstBlock && findQuote( firstBlock ) );\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\tif ( this.value ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst schema = this.editor.model.schema;\n\n\t\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\t\tif ( !firstBlock ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn checkCanBeQuoted( schema, firstBlock );\n\t}\n\n\t/**\n\t * Removes the quote from given blocks.\n\t *\n\t * If blocks which are supposed to be \"unquoted\" are in the middle of a quote,\n\t * start it or end it, then the quote will be split (if needed) and the blocks\n\t * will be moved out of it, so other quoted blocks remained quoted.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @param {Array.<module:engine/model/element~Element>} blocks\n\t */\n\t_removeQuote( writer, blocks ) {\n\t\t// Unquote all groups of block. Iterate in the reverse order to not break following ranges.\n\t\tgetRangesOfBlockGroups( writer, blocks ).reverse().forEach( groupRange => {\n\t\t\tif ( groupRange.start.isAtStart && groupRange.end.isAtEnd ) {\n\t\t\t\twriter.unwrap( groupRange.start.parent );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// The group of blocks are at the beginning of an <bQ> so let's move them left (out of the <bQ>).\n\t\t\tif ( groupRange.start.isAtStart ) {\n\t\t\t\tconst positionBefore = writer.createPositionBefore( groupRange.start.parent );\n\n\t\t\t\twriter.move( groupRange, positionBefore );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// The blocks are in the middle of an <bQ> so we need to split the <bQ> after the last block\n\t\t\t// so we move the items there.\n\t\t\tif ( !groupRange.end.isAtEnd ) {\n\t\t\t\twriter.split( groupRange.end );\n\t\t\t}\n\n\t\t\t// Now we are sure that groupRange.end.isAtEnd is true, so let's move the blocks right.\n\n\t\t\tconst positionAfter = writer.createPositionAfter( groupRange.end.parent );\n\n\t\t\twriter.move( groupRange, positionAfter );\n\t\t} );\n\t}\n\n\t/**\n\t * Applies the quote to given blocks.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @param {Array.<module:engine/model/element~Element>} blocks\n\t */\n\t_applyQuote( writer, blocks ) {\n\t\tconst quotesToMerge = [];\n\n\t\t// Quote all groups of block. Iterate in the reverse order to not break following ranges.\n\t\tgetRangesOfBlockGroups( writer, blocks ).reverse().forEach( groupRange => {\n\t\t\tlet quote = findQuote( groupRange.start );\n\n\t\t\tif ( !quote ) {\n\t\t\t\tquote = writer.createElement( 'blockQuote' );\n\n\t\t\t\twriter.wrap( groupRange, quote );\n\t\t\t}\n\n\t\t\tquotesToMerge.push( quote );\n\t\t} );\n\n\t\t// Merge subsequent <bQ> elements. Reverse the order again because this time we want to go through\n\t\t// the <bQ> elements in the source order (due to how merge works – it moves the right element's content\n\t\t// to the first element and removes the right one. Since we may need to merge a couple of subsequent `<bQ>` elements\n\t\t// we want to keep the reference to the first (furthest left) one.\n\t\tquotesToMerge.reverse().reduce( ( currentQuote, nextQuote ) => {\n\t\t\tif ( currentQuote.nextSibling == nextQuote ) {\n\t\t\t\twriter.merge( writer.createPositionAfter( currentQuote ) );\n\n\t\t\t\treturn currentQuote;\n\t\t\t}\n\n\t\t\treturn nextQuote;\n\t\t} );\n\t}\n}\n\nfunction findQuote( elementOrPosition ) {\n\treturn elementOrPosition.parent.name == 'blockQuote' ? elementOrPosition.parent : null;\n}\n\n// Returns a minimal array of ranges containing groups of subsequent blocks.\n//\n// content:         abcdefgh\n// blocks:          [ a, b, d, f, g, h ]\n// output ranges:   [ab]c[d]e[fgh]\n//\n// @param {Array.<module:engine/model/element~Element>} blocks\n// @returns {Array.<module:engine/model/range~Range>}\nfunction getRangesOfBlockGroups( writer, blocks ) {\n\tlet startPosition;\n\tlet i = 0;\n\tconst ranges = [];\n\n\twhile ( i < blocks.length ) {\n\t\tconst block = blocks[ i ];\n\t\tconst nextBlock = blocks[ i + 1 ];\n\n\t\tif ( !startPosition ) {\n\t\t\tstartPosition = writer.createPositionBefore( block );\n\t\t}\n\n\t\tif ( !nextBlock || block.nextSibling != nextBlock ) {\n\t\t\tranges.push( writer.createRange( startPosition, writer.createPositionAfter( block ) ) );\n\t\t\tstartPosition = null;\n\t\t}\n\n\t\ti++;\n\t}\n\n\treturn ranges;\n}\n\n// Checks whether <bQ> can wrap the block.\nfunction checkCanBeQuoted( schema, block ) {\n\t// TMP will be replaced with schema.checkWrap().\n\tconst isBQAllowed = schema.checkChild( block.parent, 'blockQuote' );\n\tconst isBlockAllowedInBQ = schema.checkChild( [ '$root', 'blockQuote' ], block );\n\n\treturn isBQAllowed && isBlockAllowedInBQ;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module block-quote/blockquoteediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Enter } from 'ckeditor5/src/enter';\nimport { Delete } from 'ckeditor5/src/typing';\n\nimport BlockQuoteCommand from './blockquotecommand';\n\n/**\n * The block quote editing.\n *\n * Introduces the `'blockQuote'` command and the `'blockQuote'` model element.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BlockQuoteEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BlockQuoteEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Enter, Delete ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\n\t\teditor.commands.add( 'blockQuote', new BlockQuoteCommand( editor ) );\n\n\t\tschema.register( 'blockQuote', {\n\t\t\tallowWhere: '$block',\n\t\t\tallowContentOf: '$root'\n\t\t} );\n\n\t\teditor.conversion.elementToElement( { model: 'blockQuote', view: 'blockquote' } );\n\n\t\t// Postfixer which cleans incorrect model states connected with block quotes.\n\t\teditor.model.document.registerPostFixer( writer => {\n\t\t\tconst changes = editor.model.document.differ.getChanges();\n\n\t\t\tfor ( const entry of changes ) {\n\t\t\t\tif ( entry.type == 'insert' ) {\n\t\t\t\t\tconst element = entry.position.nodeAfter;\n\n\t\t\t\t\tif ( !element ) {\n\t\t\t\t\t\t// We are inside a text node.\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( element.is( 'element', 'blockQuote' ) && element.isEmpty ) {\n\t\t\t\t\t\t// Added an empty blockQuote - remove it.\n\t\t\t\t\t\twriter.remove( element );\n\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t} else if ( element.is( 'element', 'blockQuote' ) && !schema.checkChild( entry.position, element ) ) {\n\t\t\t\t\t\t// Added a blockQuote in incorrect place. Unwrap it so the content inside is not lost.\n\t\t\t\t\t\twriter.unwrap( element );\n\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t} else if ( element.is( 'element' ) ) {\n\t\t\t\t\t\t// Just added an element. Check that all children meet the scheme rules.\n\t\t\t\t\t\tconst range = writer.createRangeIn( element );\n\n\t\t\t\t\t\tfor ( const child of range.getItems() ) {\n\t\t\t\t\t\t\tif (\n\t\t\t\t\t\t\t\tchild.is( 'element', 'blockQuote' ) &&\n\t\t\t\t\t\t\t\t!schema.checkChild( writer.createPositionBefore( child ), child )\n\t\t\t\t\t\t\t) {\n\t\t\t\t\t\t\t\twriter.unwrap( child );\n\n\t\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t} else if ( entry.type == 'remove' ) {\n\t\t\t\t\tconst parent = entry.position.parent;\n\n\t\t\t\t\tif ( parent.is( 'element', 'blockQuote' ) && parent.isEmpty ) {\n\t\t\t\t\t\t// Something got removed and now blockQuote is empty. Remove the blockQuote as well.\n\t\t\t\t\t\twriter.remove( parent );\n\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn false;\n\t\t} );\n\n\t\tconst viewDocument = this.editor.editing.view.document;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst blockQuoteCommand = editor.commands.get( 'blockQuote' );\n\n\t\t// Overwrite default Enter key behavior.\n\t\t// If Enter key is pressed with selection collapsed in empty block inside a quote, break the quote.\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tif ( !selection.isCollapsed || !blockQuoteCommand.value ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst positionParent = selection.getLastPosition().parent;\n\n\t\t\tif ( positionParent.isEmpty ) {\n\t\t\t\teditor.execute( 'blockQuote' );\n\t\t\t\teditor.editing.view.scrollToTheSelection();\n\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { context: 'blockquote' } );\n\n\t\t// Overwrite default Backspace key behavior.\n\t\t// If Backspace key is pressed with selection collapsed in first empty block inside a quote, break the quote.\n\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\tif ( data.direction != 'backward' || !selection.isCollapsed || !blockQuoteCommand.value ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst positionParent = selection.getLastPosition().parent;\n\n\t\t\tif ( positionParent.isEmpty && !positionParent.previousSibling ) {\n\t\t\t\teditor.execute( 'blockQuote' );\n\t\t\t\teditor.editing.view.scrollToTheSelection();\n\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { context: 'blockquote' } );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./blockquote.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./blockquote.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module block-quote/blockquoteui\n */\n\nimport { Plugin, icons } from 'ckeditor5/src/core';\nimport { ButtonView } from 'ckeditor5/src/ui';\n\nimport '../theme/blockquote.css';\n\n/**\n * The block quote UI plugin.\n *\n * It introduces the `'blockQuote'` button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BlockQuoteUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BlockQuoteUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\teditor.ui.componentFactory.add( 'blockQuote', locale => {\n\t\t\tconst command = editor.commands.get( 'blockQuote' );\n\t\t\tconst buttonView = new ButtonView( locale );\n\n\t\t\tbuttonView.set( {\n\t\t\t\tlabel: t( 'Block quote' ),\n\t\t\t\ticon: icons.quote,\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\t// Bind button model to command.\n\t\t\tbuttonView.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t\t// Execute command.\n\t\t\tthis.listenTo( buttonView, 'execute', () => {\n\t\t\t\teditor.execute( 'blockQuote' );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn buttonView;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paragraph/paragraphcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport first from '@ckeditor/ckeditor5-utils/src/first';\n\n/**\n * The paragraph command.\n *\n * @extends module:core/command~Command\n */\nexport default class ParagraphCommand extends Command {\n\t/**\n\t * The value of the command. Indicates whether the selection start is placed in a paragraph.\n\t *\n\t * @readonly\n\t * @observable\n\t * @member {Boolean} #value\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\t\tconst block = first( document.selection.getSelectedBlocks() );\n\n\t\tthis.value = !!block && block.is( 'element', 'paragraph' );\n\t\tthis.isEnabled = !!block && checkCanBecomeParagraph( block, model.schema );\n\t}\n\n\t/**\n\t * Executes the command. All the blocks (see {@link module:engine/model/schema~Schema}) in the selection\n\t * will be turned to paragraphs.\n\t *\n\t * @fires execute\n\t * @param {Object} [options] Options for the executed command.\n\t * @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} [options.selection]\n\t * The selection that the command should be applied to.\n\t * By default, if not provided, the command is applied to the {@link module:engine/model/document~Document#selection}.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\n\t\tmodel.change( writer => {\n\t\t\tconst blocks = ( options.selection || document.selection ).getSelectedBlocks();\n\n\t\t\tfor ( const block of blocks ) {\n\t\t\t\tif ( !block.is( 'element', 'paragraph' ) && checkCanBecomeParagraph( block, model.schema ) ) {\n\t\t\t\t\twriter.rename( block, 'paragraph' );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n\n// Checks whether the given block can be replaced by a paragraph.\n//\n// @private\n// @param {module:engine/model/element~Element} block A block to be tested.\n// @param {module:engine/model/schema~Schema} schema The schema of the document.\n// @returns {Boolean}\nfunction checkCanBecomeParagraph( block, schema ) {\n\treturn schema.checkChild( block.parent, 'paragraph' ) && !schema.isObject( block );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paragraph/insertparagraphcommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\n\n/**\n * The insert paragraph command. It inserts a new paragraph at a specific\n * {@link module:engine/model/position~Position document position}.\n *\n *\t\t// Insert a new paragraph before an element in the document.\n *\t\teditor.execute( 'insertParagraph', {\n *\t\t\tposition: editor.model.createPositionBefore( element )\n *\t\t} );\n *\n * If a paragraph is disallowed in the context of the specific position, the command\n * will attempt to split position ancestors to find a place where it is possible\n * to insert a paragraph.\n *\n * **Note**: This command moves the selection to the inserted paragraph.\n *\n * @extends module:core/command~Command\n */\nexport default class InsertParagraphCommand extends Command {\n\t/**\n\t * Executes the command.\n\t *\n\t * @param {Object} options Options for the executed command.\n\t * @param {module:engine/model/position~Position} options.position The model position at which\n\t * the new paragraph will be inserted.\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\t\tlet position = options.position;\n\n\t\tmodel.change( writer => {\n\t\t\tconst paragraph = writer.createElement( 'paragraph' );\n\n\t\t\tif ( !model.schema.checkChild( position.parent, paragraph ) ) {\n\t\t\t\tconst allowedParent = model.schema.findAllowedParent( position, paragraph );\n\n\t\t\t\t// It could be there's no ancestor limit that would allow paragraph.\n\t\t\t\t// In theory, \"paragraph\" could be disallowed even in the \"$root\".\n\t\t\t\tif ( !allowedParent ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tposition = writer.split( position, allowedParent ).position;\n\t\t\t}\n\n\t\t\tmodel.insertContent( paragraph, position );\n\n\t\t\twriter.setSelection( paragraph, 'in' );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paragraph/paragraph\n */\n\nimport ParagraphCommand from './paragraphcommand';\nimport InsertParagraphCommand from './insertparagraphcommand';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * The paragraph feature for the editor.\n *\n * It introduces the `<paragraph>` element in the model which renders as a `<p>` element in the DOM and data.\n *\n * It also brings two editors commands:\n *\n * * The {@link module:paragraph/paragraphcommand~ParagraphCommand `'paragraph'`} command that converts all\n * blocks in the model selection into paragraphs.\n * * The {@link module:paragraph/insertparagraphcommand~InsertParagraphCommand `'insertParagraph'`} command\n * that inserts a new paragraph at a specified location in the model.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Paragraph extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Paragraph';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\teditor.commands.add( 'paragraph', new ParagraphCommand( editor ) );\n\t\teditor.commands.add( 'insertParagraph', new InsertParagraphCommand( editor ) );\n\n\t\t// Schema.\n\t\tmodel.schema.register( 'paragraph', { inheritAllFrom: '$block' } );\n\n\t\teditor.conversion.elementToElement( { model: 'paragraph', view: 'p' } );\n\n\t\t// Conversion for paragraph-like elements which has not been converted by any plugin.\n\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t\t\tmodel: ( viewElement, { writer } ) => {\n\t\t\t\tif ( !Paragraph.paragraphLikeElements.has( viewElement.name ) ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\t// Do not auto-paragraph empty elements.\n\t\t\t\tif ( viewElement.isEmpty ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\treturn writer.createElement( 'paragraph' );\n\t\t\t},\n\t\t\tview: /.+/,\n\t\t\tconverterPriority: 'low'\n\t\t} );\n\t}\n}\n\n/**\n * A list of element names which should be treated by the autoparagraphing algorithms as\n * paragraph-like. This means that e.g. the following content:\n *\n *\t\t<h1>Foo</h1>\n *\t\t<table>\n *\t\t\t<tr>\n *\t\t\t\t<td>X</td>\n *\t\t\t\t<td>\n *\t\t\t\t\t<ul>\n *\t\t\t\t\t\t<li>Y</li>\n *\t\t\t\t\t\t<li>Z</li>\n *\t\t\t\t\t</ul>\n *\t\t\t\t</td>\n *\t\t\t</tr>\n *\t\t</table>\n *\n * contains five paragraph-like elements: `<h1>`, two `<td>`s and two `<li>`s.\n * Hence, if none of the features is going to convert those elements the above content will be automatically handled\n * by the paragraph feature and converted to:\n *\n *\t\t<p>Foo</p>\n *\t\t<p>X</p>\n *\t\t<p>Y</p>\n *\t\t<p>Z</p>\n *\n * Note: The `<td>` containing two `<li>` elements was ignored as the innermost paragraph-like elements\n * have a priority upon conversion.\n *\n * @member {Set.<String>} module:paragraph/paragraph~Paragraph.paragraphLikeElements\n */\nParagraph.paragraphLikeElements = new Set( [\n\t'blockquote',\n\t'dd',\n\t'div',\n\t'dt',\n\t'h1',\n\t'h2',\n\t'h3',\n\t'h4',\n\t'h5',\n\t'h6',\n\t'li',\n\t'p',\n\t'td',\n\t'th'\n] );\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/headingcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * The heading command. It is used by the {@link module:heading/heading~Heading heading feature} to apply headings.\n *\n * @extends module:core/command~Command\n */\nexport default class HeadingCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor Editor instance.\n\t * @param {Array.<String>} modelElements Names of the element which this command can apply in the model.\n\t */\n\tconstructor( editor, modelElements ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * If the selection starts in a heading (which {@link #modelElements is supported by this command})\n\t\t * the value is set to the name of that heading model element.\n\t\t * It is  set to `false` otherwise.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean|String} #value\n\t\t */\n\n\t\t/**\n\t\t * Set of defined model's elements names that this command support.\n\t\t * See {@link module:heading/heading~HeadingOption}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Array.<String>}\n\t\t */\n\t\tthis.modelElements = modelElements;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst block = first( this.editor.model.document.selection.getSelectedBlocks() );\n\n\t\tthis.value = !!block && this.modelElements.includes( block.name ) && block.name;\n\t\tthis.isEnabled = !!block && this.modelElements.some( heading => checkCanBecomeHeading( block, heading, this.editor.model.schema ) );\n\t}\n\n\t/**\n\t * Executes the command. Applies the heading to the selected blocks or, if the first selected\n\t * block is a heading already, turns selected headings (of this level only) to paragraphs.\n\t *\n\t * @param {Object} options\n\t * @param {String} options.value Name of the element which this command will apply in the model.\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\n\t\tconst modelElement = options.value;\n\n\t\tmodel.change( writer => {\n\t\t\tconst blocks = Array.from( document.selection.getSelectedBlocks() )\n\t\t\t\t.filter( block => {\n\t\t\t\t\treturn checkCanBecomeHeading( block, modelElement, model.schema );\n\t\t\t\t} );\n\n\t\t\tfor ( const block of blocks ) {\n\t\t\t\tif ( !block.is( 'element', modelElement ) ) {\n\t\t\t\t\twriter.rename( block, modelElement );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n\n// Checks whether the given block can be replaced by a specific heading.\n//\n// @private\n// @param {module:engine/model/element~Element} block A block to be tested.\n// @param {module:heading/headingcommand~HeadingCommand#modelElement} heading Command element name in the model.\n// @param {module:engine/model/schema~Schema} schema The schema of the document.\n// @returns {Boolean}\nfunction checkCanBecomeHeading( block, heading, schema ) {\n\treturn schema.checkChild( block.parent, heading ) && !schema.isObject( block );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/headingediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Paragraph } from 'ckeditor5/src/paragraph';\nimport { priorities } from 'ckeditor5/src/utils';\n\nimport HeadingCommand from './headingcommand';\n\nconst defaultModelElement = 'paragraph';\n\n/**\n * The headings engine feature. It handles switching between block formats &ndash; headings and paragraph.\n * This class represents the engine part of the heading feature. See also {@link module:heading/heading~Heading}.\n * It introduces `heading1`-`headingN` commands which allow to convert paragraphs into headings.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class HeadingEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'HeadingEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'heading', {\n\t\t\toptions: [\n\t\t\t\t{ model: 'paragraph', title: 'Paragraph', class: 'ck-heading_paragraph' },\n\t\t\t\t{ model: 'heading1', view: 'h2', title: 'Heading 1', class: 'ck-heading_heading1' },\n\t\t\t\t{ model: 'heading2', view: 'h3', title: 'Heading 2', class: 'ck-heading_heading2' },\n\t\t\t\t{ model: 'heading3', view: 'h4', title: 'Heading 3', class: 'ck-heading_heading3' }\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Paragraph ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst options = editor.config.get( 'heading.options' );\n\n\t\tconst modelElements = [];\n\n\t\tfor ( const option of options ) {\n\t\t\t// Skip paragraph - it is defined in required Paragraph feature.\n\t\t\tif ( option.model !== defaultModelElement ) {\n\t\t\t\t// Schema.\n\t\t\t\teditor.model.schema.register( option.model, {\n\t\t\t\t\tinheritAllFrom: '$block'\n\t\t\t\t} );\n\n\t\t\t\teditor.conversion.elementToElement( option );\n\n\t\t\t\tmodelElements.push( option.model );\n\t\t\t}\n\t\t}\n\n\t\tthis._addDefaultH1Conversion( editor );\n\n\t\t// Register the heading command for this option.\n\t\teditor.commands.add( 'heading', new HeadingCommand( editor, modelElements ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\t// If the enter command is added to the editor, alter its behavior.\n\t\t// Enter at the end of a heading element should create a paragraph.\n\t\tconst editor = this.editor;\n\t\tconst enterCommand = editor.commands.get( 'enter' );\n\t\tconst options = editor.config.get( 'heading.options' );\n\n\t\tif ( enterCommand ) {\n\t\t\tthis.listenTo( enterCommand, 'afterExecute', ( evt, data ) => {\n\t\t\t\tconst positionParent = editor.model.document.selection.getFirstPosition().parent;\n\t\t\t\tconst isHeading = options.some( option => positionParent.is( 'element', option.model ) );\n\n\t\t\t\tif ( isHeading && !positionParent.is( 'element', defaultModelElement ) && positionParent.childCount === 0 ) {\n\t\t\t\t\tdata.writer.rename( positionParent, defaultModelElement );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n\n\t/**\n\t * Adds default conversion for `h1` -> `heading1` with a low priority.\n\t *\n\t * @private\n\t * @param {module:core/editor/editor~Editor} editor Editor instance on which to add the `h1` conversion.\n\t */\n\t_addDefaultH1Conversion( editor ) {\n\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t\t\tmodel: 'heading1',\n\t\t\tview: 'h1',\n\t\t\t// With a `low` priority, `paragraph` plugin autoparagraphing mechanism is executed. Make sure\n\t\t\t// this listener is called before it. If not, `h1` will be transformed into a paragraph.\n\t\t\tconverterPriority: priorities.get( 'low' ) + 1\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./heading.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./heading.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/headingui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Model, createDropdown, addListToDropdown } from 'ckeditor5/src/ui';\nimport { Collection } from 'ckeditor5/src/utils';\n\nimport { getLocalizedOptions } from './utils';\n\nimport '../theme/heading.css';\n\n/**\n * The headings UI feature. It introduces the `headings` dropdown.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class HeadingUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'HeadingUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst options = getLocalizedOptions( editor );\n\t\tconst defaultTitle = t( 'Choose heading' );\n\t\tconst dropdownTooltip = t( 'Heading' );\n\n\t\t// Register UI component.\n\t\teditor.ui.componentFactory.add( 'heading', locale => {\n\t\t\tconst titles = {};\n\t\t\tconst itemDefinitions = new Collection();\n\n\t\t\tconst headingCommand = editor.commands.get( 'heading' );\n\t\t\tconst paragraphCommand = editor.commands.get( 'paragraph' );\n\n\t\t\tconst commands = [ headingCommand ];\n\n\t\t\tfor ( const option of options ) {\n\t\t\t\tconst def = {\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: new Model( {\n\t\t\t\t\t\tlabel: option.title,\n\t\t\t\t\t\tclass: option.class,\n\t\t\t\t\t\twithText: true\n\t\t\t\t\t} )\n\t\t\t\t};\n\n\t\t\t\tif ( option.model === 'paragraph' ) {\n\t\t\t\t\tdef.model.bind( 'isOn' ).to( paragraphCommand, 'value' );\n\t\t\t\t\tdef.model.set( 'commandName', 'paragraph' );\n\t\t\t\t\tcommands.push( paragraphCommand );\n\t\t\t\t} else {\n\t\t\t\t\tdef.model.bind( 'isOn' ).to( headingCommand, 'value', value => value === option.model );\n\t\t\t\t\tdef.model.set( {\n\t\t\t\t\t\tcommandName: 'heading',\n\t\t\t\t\t\tcommandValue: option.model\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t\t// Add the option to the collection.\n\t\t\t\titemDefinitions.add( def );\n\n\t\t\t\ttitles[ option.model ] = option.title;\n\t\t\t}\n\n\t\t\tconst dropdownView = createDropdown( locale );\n\t\t\taddListToDropdown( dropdownView, itemDefinitions );\n\n\t\t\tdropdownView.buttonView.set( {\n\t\t\t\tisOn: false,\n\t\t\t\twithText: true,\n\t\t\t\ttooltip: dropdownTooltip\n\t\t\t} );\n\n\t\t\tdropdownView.extendTemplate( {\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: [\n\t\t\t\t\t\t'ck-heading-dropdown'\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tdropdownView.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => {\n\t\t\t\treturn areEnabled.some( isEnabled => isEnabled );\n\t\t\t} );\n\n\t\t\tdropdownView.buttonView.bind( 'label' ).to( headingCommand, 'value', paragraphCommand, 'value', ( value, para ) => {\n\t\t\t\tconst whichModel = value || para && 'paragraph';\n\t\t\t\t// If none of the commands is active, display default title.\n\t\t\t\treturn titles[ whichModel ] ? titles[ whichModel ] : defaultTitle;\n\t\t\t} );\n\n\t\t\t// Execute command when an item from the dropdown is selected.\n\t\t\tthis.listenTo( dropdownView, 'execute', evt => {\n\t\t\t\teditor.execute( evt.source.commandName, evt.source.commandValue ? { value: evt.source.commandValue } : undefined );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn dropdownView;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/utils\n */\n\n/**\n * Returns heading options as defined in `config.heading.options` but processed to consider\n * the editor localization, i.e. to display {@link module:heading/heading~HeadingOption}\n * in the correct language.\n *\n * Note: The reason behind this method is that there is no way to use {@link module:utils/locale~Locale#t}\n * when the user configuration is defined because the editor does not exist yet.\n *\n * @param {module:core/editor/editor~Editor} editor\n * @returns {Array.<module:heading/heading~HeadingOption>}.\n */\nexport function getLocalizedOptions( editor ) {\n\tconst t = editor.t;\n\tconst localizedTitles = {\n\t\tParagraph: t( 'Paragraph' ),\n\t\t'Heading 1': t( 'Heading 1' ),\n\t\t'Heading 2': t( 'Heading 2' ),\n\t\t'Heading 3': t( 'Heading 3' ),\n\t\t'Heading 4': t( 'Heading 4' ),\n\t\t'Heading 5': t( 'Heading 5' ),\n\t\t'Heading 6': t( 'Heading 6' )\n\t};\n\n\treturn editor.config.get( 'heading.options' ).map( option => {\n\t\tconst title = localizedTitles[ option.title ];\n\n\t\tif ( title && title != option.title ) {\n\t\t\toption.title = title;\n\t\t}\n\n\t\treturn option;\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/converters\n */\n\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * Returns a function that converts the image view representation:\n *\n *\t\t<figure class=\"image\"><img src=\"...\" alt=\"...\"></img></figure>\n *\n * to the model representation:\n *\n *\t\t<imageBlock src=\"...\" alt=\"...\"></imageBlock>\n *\n * The entire content of the `<figure>` element except the first `<img>` is being converted as children\n * of the `<imageBlock>` model element.\n *\n * @protected\n * @param {module:image/imageutils~ImageUtils} imageUtils\n * @returns {Function}\n */\nexport function upcastImageFigure( imageUtils ) {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:figure', converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\t// Do not convert if this is not an \"image figure\".\n\t\tif ( !conversionApi.consumable.test( data.viewItem, { name: true, classes: 'image' } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Find an image element inside the figure element.\n\t\tconst viewImage = imageUtils.findViewImgElement( data.viewItem );\n\n\t\t// Do not convert if image element is absent or was already converted.\n\t\tif ( !viewImage || !conversionApi.consumable.test( viewImage, { name: true } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Consume the figure to prevent other converters from processing it again.\n\t\tconversionApi.consumable.consume( data.viewItem, { name: true, classes: 'image' } );\n\n\t\t// Convert view image to model image.\n\t\tconst conversionResult = conversionApi.convertItem( viewImage, data.modelCursor );\n\n\t\t// Get image element from conversion result.\n\t\tconst modelImage = first( conversionResult.modelRange.getItems() );\n\n\t\t// When image wasn't successfully converted then finish conversion.\n\t\tif ( !modelImage ) {\n\t\t\t// Revert consumed figure so other features can convert it.\n\t\t\tconversionApi.consumable.revert( data.viewItem, { name: true, classes: 'image' } );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Convert rest of the figure element's children as an image children.\n\t\tconversionApi.convertChildren( data.viewItem, modelImage );\n\n\t\tconversionApi.updateConversionResult( modelImage, data );\n\t}\n}\n\n/**\n * Returns a function that converts the image view representation:\n *\n *\t\t<picture><source ... /><source ... />...<img ... /></picture>\n *\n * to the model representation as the `sources` attribute:\n *\n *\t\t<image[Block|Inline] ... sources=\"...\"></image[Block|Inline]>\n *\n * @protected\n * @param {module:image/imageutils~ImageUtils} imageUtils\n * @returns {Function}\n */\nexport function upcastPicture( imageUtils ) {\n\tconst sourceAttributeNames = [ 'srcset', 'media', 'type' ];\n\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:picture', converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\tconst pictureViewElement = data.viewItem;\n\n\t\t// Do not convert <picture> if already consumed.\n\t\tif ( !conversionApi.consumable.test( pictureViewElement, { name: true } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst sources = new Map();\n\n\t\t// Collect all <source /> elements attribute values.\n\t\tfor ( const childSourceElement of pictureViewElement.getChildren() ) {\n\t\t\tif ( childSourceElement.is( 'element', 'source' ) ) {\n\t\t\t\tconst attributes = {};\n\n\t\t\t\tfor ( const name of sourceAttributeNames ) {\n\t\t\t\t\tif ( childSourceElement.hasAttribute( name ) ) {\n\t\t\t\t\t\t// Don't collect <source /> attribute if already consumed somewhere else.\n\t\t\t\t\t\tif ( conversionApi.consumable.test( childSourceElement, { attributes: name } ) ) {\n\t\t\t\t\t\t\tattributes[ name ] = childSourceElement.getAttribute( name );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif ( Object.keys( attributes ).length ) {\n\t\t\t\t\tsources.set( childSourceElement, attributes );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tconst imgViewElement = imageUtils.findViewImgElement( pictureViewElement );\n\n\t\t// Don't convert when a picture has no <img/> inside (it is broken).\n\t\tif ( !imgViewElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\tlet modelImage = data.modelCursor.parent;\n\n\t\t// - In case of an inline image (cursor parent in a <paragraph>), the <img/> must be converted right away\n\t\t// because no converter handled it yet and otherwise there would be no model element to set the sources attribute on.\n\t\t// - In case of a block image, the <figure class=\"image\"> converter (in ImageBlockEditing) converts the\n\t\t// <img/> right away on its own and the modelCursor is already inside an imageBlock and there's nothing special\n\t\t// to do here.\n\t\tif ( !modelImage.is( 'element', 'imageBlock' ) ) {\n\t\t\tconst conversionResult = conversionApi.convertItem( imgViewElement, data.modelCursor );\n\n\t\t\t// Set image range as conversion result.\n\t\t\tdata.modelRange = conversionResult.modelRange;\n\n\t\t\t// Continue conversion where image conversion ends.\n\t\t\tdata.modelCursor = conversionResult.modelCursor;\n\n\t\t\tmodelImage = first( conversionResult.modelRange.getItems() );\n\t\t}\n\n\t\tconversionApi.consumable.consume( pictureViewElement, { name: true } );\n\n\t\t// Consume only these <source/> attributes that were actually collected and will be passed on\n\t\t// to the image model element.\n\t\tfor ( const [ sourceElement, attributes ] of sources ) {\n\t\t\tconversionApi.consumable.consume( sourceElement, { attributes: Object.keys( attributes ) } );\n\t\t}\n\n\t\tif ( sources.size ) {\n\t\t\tconversionApi.writer.setAttribute( 'sources', Array.from( sources.values() ), modelImage );\n\t\t}\n\n\t\t// Convert rest of the <picture> children as an image children. Other converters may want to consume them.\n\t\tconversionApi.convertChildren( pictureViewElement, modelImage );\n\t}\n}\n\n/**\n * Converter used to convert the `srcset` model image attribute to the `srcset`, `sizes` and `width` attributes in the view.\n *\n * @protected\n * @param {module:image/imageutils~ImageUtils} imageUtils\n * @param {'imageBlock'|'imageInline'} imageType The type of the image.\n * @returns {Function}\n */\nexport function downcastSrcsetAttribute( imageUtils, imageType ) {\n\treturn dispatcher => {\n\t\tdispatcher.on( `attribute:srcset:${ imageType }`, converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst writer = conversionApi.writer;\n\t\tconst element = conversionApi.mapper.toViewElement( data.item );\n\t\tconst img = imageUtils.findViewImgElement( element );\n\n\t\tif ( data.attributeNewValue === null ) {\n\t\t\tconst srcset = data.attributeOldValue;\n\n\t\t\tif ( srcset.data ) {\n\t\t\t\twriter.removeAttribute( 'srcset', img );\n\t\t\t\twriter.removeAttribute( 'sizes', img );\n\n\t\t\t\tif ( srcset.width ) {\n\t\t\t\t\twriter.removeAttribute( 'width', img );\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tconst srcset = data.attributeNewValue;\n\n\t\t\tif ( srcset.data ) {\n\t\t\t\twriter.setAttribute( 'srcset', srcset.data, img );\n\t\t\t\t// Always outputting `100vw`. See https://github.com/ckeditor/ckeditor5-image/issues/2.\n\t\t\t\twriter.setAttribute( 'sizes', '100vw', img );\n\n\t\t\t\tif ( srcset.width ) {\n\t\t\t\t\twriter.setAttribute( 'width', srcset.width, img );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n\n/**\n * Converts the `source` model attribute to the `<picture><source /><source />...<img /></picture>`\n * view structure.\n *\n * @protected\n * @param {module:image/imageutils~ImageUtils} imageUtils\n * @returns {Function}\n */\nexport function downcastSourcesAttribute( imageUtils ) {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'attribute:sources:imageBlock', converter );\n\t\tdispatcher.on( 'attribute:sources:imageInline', converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst element = conversionApi.mapper.toViewElement( data.item );\n\t\tconst imgElement = imageUtils.findViewImgElement( element );\n\n\t\tif ( data.attributeNewValue && data.attributeNewValue.length ) {\n\t\t\t// Make sure <picture> does not break attribute elements, for instance <a> in linked images.\n\t\t\tconst pictureElement = viewWriter.createContainerElement( 'picture', {}, { isAllowedInsideAttributeElement: true } );\n\n\t\t\tfor ( const sourceAttributes of data.attributeNewValue ) {\n\t\t\t\tconst sourceElement = viewWriter.createEmptyElement( 'source', sourceAttributes );\n\n\t\t\t\tviewWriter.insert( viewWriter.createPositionAt( pictureElement, 'end' ), sourceElement );\n\t\t\t}\n\n\t\t\t// Collect all wrapping attribute elements.\n\t\t\tconst attributeElements = [];\n\t\t\tlet viewElement = imgElement.parent;\n\n\t\t\twhile ( viewElement && viewElement.is( 'attributeElement' ) ) {\n\t\t\t\tconst parentElement = viewElement.parent;\n\n\t\t\t\tviewWriter.unwrap( viewWriter.createRangeOn( imgElement ), viewElement );\n\n\t\t\t\tattributeElements.unshift( viewElement );\n\t\t\t\tviewElement = parentElement;\n\t\t\t}\n\n\t\t\t// Insert the picture and move img into it.\n\t\t\tviewWriter.insert( viewWriter.createPositionBefore( imgElement ), pictureElement );\n\t\t\tviewWriter.move( viewWriter.createRangeOn( imgElement ), viewWriter.createPositionAt( pictureElement, 'end' ) );\n\n\t\t\t// Apply collected attribute elements over the new picture element.\n\t\t\tfor ( const attributeElement of attributeElements ) {\n\t\t\t\tviewWriter.wrap( viewWriter.createRangeOn( pictureElement ), attributeElement );\n\t\t\t}\n\t\t}\n\t\t// Both setting \"sources\" to an empty array and removing the attribute should unwrap the <img />.\n\t\t// Unwrap once if the latter followed the former, though.\n\t\telse if ( imgElement.parent.is( 'element', 'picture' ) ) {\n\t\t\tconst pictureElement = imgElement.parent;\n\n\t\t\tviewWriter.move( viewWriter.createRangeOn( imgElement ), viewWriter.createPositionBefore( pictureElement ) );\n\t\t\tviewWriter.remove( pictureElement );\n\t\t}\n\t}\n}\n\n/**\n * Converter used to convert a given image attribute from the model to the view.\n *\n * @protected\n * @param {module:image/imageutils~ImageUtils} imageUtils\n * @param {'imageBlock'|'imageInline'} imageType The type of the image.\n * @param {String} attributeKey The name of the attribute to convert.\n * @returns {Function}\n */\nexport function downcastImageAttribute( imageUtils, imageType, attributeKey ) {\n\treturn dispatcher => {\n\t\tdispatcher.on( `attribute:${ attributeKey }:${ imageType }`, converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst element = conversionApi.mapper.toViewElement( data.item );\n\t\tconst img = imageUtils.findViewImgElement( element );\n\n\t\tviewWriter.setAttribute( data.attributeKey, data.attributeNewValue || '', img );\n\t}\n}\n\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/imageloadobserver\n */\n\nimport { Observer } from 'ckeditor5/src/engine';\n\n/**\n * Observes all new images added to the {@link module:engine/view/document~Document},\n * fires {@link module:engine/view/document~Document#event:imageLoaded} and\n * {@link module:engine/view/document~Document#event:layoutChanged} event every time when the new image\n * has been loaded.\n *\n * **Note:** This event is not fired for images that has been added to the document and rendered as `complete` (already loaded).\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class ImageLoadObserver extends Observer {\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve( domRoot ) {\n\t\tthis.listenTo( domRoot, 'load', ( event, domEvent ) => {\n\t\t\tconst domElement = domEvent.target;\n\n\t\t\tif ( this.checkShouldIgnoreEventFromTarget( domElement ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( domElement.tagName == 'IMG' ) {\n\t\t\t\tthis._fireEvents( domEvent );\n\t\t\t}\n\t\t\t// Use capture phase for better performance (#4504).\n\t\t}, { useCapture: true } );\n\t}\n\n\t/**\n\t * Fires {@link module:engine/view/document~Document#event:layoutChanged} and\n\t * {@link module:engine/view/document~Document#event:imageLoaded}\n\t * if observer {@link #isEnabled is enabled}.\n\t *\n\t * @protected\n\t * @param {Event} domEvent The DOM event.\n\t */\n\t_fireEvents( domEvent ) {\n\t\tif ( this.isEnabled ) {\n\t\t\tthis.document.fire( 'layoutChanged' );\n\t\t\tthis.document.fire( 'imageLoaded', domEvent );\n\t\t}\n\t}\n}\n\n/**\n * Fired when an <img/> DOM element has been loaded in the DOM root.\n *\n * Introduced by {@link module:image/image/imageloadobserver~ImageLoadObserver}.\n *\n * @see module:image/image/imageloadobserver~ImageLoadObserver\n * @event module:engine/view/document~Document#event:imageLoaded\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { logWarning, toArray } from 'ckeditor5/src/utils';\n\n/**\n * @module image/image/insertimagecommand\n */\n\n/**\n * Insert image command.\n *\n * The command is registered by the {@link module:image/image/imageediting~ImageEditing} plugin as `insertImage`\n * and it is also available via aliased `imageInsert` name.\n *\n * In order to insert an image at the current selection position\n * (according to the {@link module:widget/utils~findOptimalInsertionRange} algorithm),\n * execute the command and specify the image source:\n *\n *\t\teditor.execute( 'insertImage', { source: 'http://url.to.the/image' } );\n *\n * It is also possible to insert multiple images at once:\n *\n *\t\teditor.execute( 'insertImage', {\n *\t\t\tsource:  [\n *\t\t\t\t'path/to/image.jpg',\n *\t\t\t\t'path/to/other-image.jpg'\n *\t\t\t]\n *\t\t} );\n *\n * If you want to take the full control over the process, you can specify individual model attributes:\n *\n *\t\teditor.execute( 'insertImage', {\n *\t\t\tsource:  [\n *\t\t\t\t{ src: 'path/to/image.jpg', alt: 'First alt text' },\n *\t\t\t\t{ src: 'path/to/other-image.jpg', alt: 'Second alt text', customAttribute: 'My attribute value' }\n *\t\t\t]\n *\t\t} );\n *\n * @extends module:core/command~Command\n */\nexport default class InsertImageCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\tconst configImageInsertType = editor.config.get( 'image.insert.type' );\n\n\t\tif ( !editor.plugins.has( 'ImageBlockEditing' ) ) {\n\t\t\tif ( configImageInsertType === 'block' ) {\n\t\t\t\t/**\n\t\t\t\t * The {@link module:image/imageblock~ImageBlock} plugin must be enabled to allow inserting block images. See\n\t\t\t\t * {@link module:image/imageinsert~ImageInsertConfig#type} to learn more.\n\t\t\t\t *\n\t\t\t\t * @error image-block-plugin-required\n\t\t\t\t */\n\t\t\t\tlogWarning( 'image-block-plugin-required' );\n\t\t\t}\n\t\t}\n\n\t\tif ( !editor.plugins.has( 'ImageInlineEditing' ) ) {\n\t\t\tif ( configImageInsertType === 'inline' ) {\n\t\t\t\t/**\n\t\t\t\t * The {@link module:image/imageinline~ImageInline} plugin must be enabled to allow inserting inline images. See\n\t\t\t\t * {@link module:image/imageinsert~ImageInsertConfig#type} to learn more.\n\t\t\t\t *\n\t\t\t\t * @error image-inline-plugin-required\n\t\t\t\t */\n\t\t\t\tlogWarning( 'image-inline-plugin-required' );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = this.editor.plugins.get( 'ImageUtils' ).isImageAllowed();\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} options Options for the executed command.\n\t * @param {String|Array.<String>|Array.<Object>} options.source The image source or an array of image sources to insert.\n\t * See the documentation of the command to learn more about accepted formats.\n\t */\n\texecute( options ) {\n\t\tconst sourceDefinitions = toArray( options.source );\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst imageUtils = this.editor.plugins.get( 'ImageUtils' );\n\n\t\t// In case of multiple images, each image (starting from the 2nd) will be inserted at a position that\n\t\t// follows the previous one. That will move the selection and, to stay on the safe side and make sure\n\t\t// all images inherit the same selection attributes, they are collected beforehand.\n\t\t//\n\t\t// Applying these attributes ensures, for instance, that inserting an (inline) image into a link does\n\t\t// not split that link but preserves its continuity.\n\t\t//\n\t\t// Note: Selection attributes that do not make sense for images will be filtered out by insertImage() anyway.\n\t\tconst selectionAttributes = Object.fromEntries( selection.getAttributes() );\n\n\t\tsourceDefinitions.forEach( ( sourceDefinition, index ) => {\n\t\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\t\tif ( typeof sourceDefinition === 'string' ) {\n\t\t\t\tsourceDefinition = { src: sourceDefinition };\n\t\t\t}\n\n\t\t\t// Inserting of an inline image replace the selected element and make a selection on the inserted image.\n\t\t\t// Therefore inserting multiple inline images requires creating position after each element.\n\t\t\tif ( index && selectedElement && imageUtils.isImage( selectedElement ) ) {\n\t\t\t\tconst position = this.editor.model.createPositionAfter( selectedElement );\n\n\t\t\t\timageUtils.insertImage( { ...sourceDefinition, ...selectionAttributes }, position );\n\t\t\t} else {\n\t\t\t\timageUtils.insertImage( { ...sourceDefinition, ...selectionAttributes } );\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/imageediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageLoadObserver from './imageloadobserver';\nimport InsertImageCommand from './insertimagecommand';\nimport ImageUtils from '../imageutils';\n\n/**\n * The image engine plugin. This module loads common code shared between\n * {@link module:image/image/imageinlineediting~ImageInlineEditing} and\n * {@link module:image/image/imageblockediting~ImageBlockEditing} plugins.\n *\n * This plugin registers the {@link module:image/image/insertimagecommand~InsertImageCommand 'insertImage'} command.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst conversion = editor.conversion;\n\n\t\t// See https://github.com/ckeditor/ckeditor5-image/issues/142.\n\t\teditor.editing.view.addObserver( ImageLoadObserver );\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.attributeToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'img',\n\t\t\t\t\tkey: 'alt'\n\t\t\t\t},\n\t\t\t\tmodel: 'alt'\n\t\t\t} )\n\t\t\t.attributeToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'img',\n\t\t\t\t\tkey: 'srcset'\n\t\t\t\t},\n\t\t\t\tmodel: {\n\t\t\t\t\tkey: 'srcset',\n\t\t\t\t\tvalue: viewImage => {\n\t\t\t\t\t\tconst value = {\n\t\t\t\t\t\t\tdata: viewImage.getAttribute( 'srcset' )\n\t\t\t\t\t\t};\n\n\t\t\t\t\t\tif ( viewImage.hasAttribute( 'width' ) ) {\n\t\t\t\t\t\t\tvalue.width = viewImage.getAttribute( 'width' );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\treturn value;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\n\t\tconst insertImageCommand = new InsertImageCommand( editor );\n\n\t\t// Register `insertImage` command and add `imageInsert` command as an alias for backward compatibility.\n\t\teditor.commands.add( 'insertImage', insertImageCommand );\n\t\teditor.commands.add( 'imageInsert', insertImageCommand );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/imagetypecommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\n/**\n * The image type command. It changes the type of a selected image, depending on the configuration.\n *\n * @extends module:core/command~Command\n */\nexport default class ImageTypeCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {'imageBlock'|'imageInline'} modelElementName Model element name the command converts to.\n\t */\n\tconstructor( editor, modelElementName ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * Model element name the command converts to.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {'imageBlock'|'imageInline'}\n\t\t */\n\t\tthis._modelElementName = modelElementName;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst element = imageUtils.getClosestSelectedImageElement( this.editor.model.document.selection );\n\n\t\tif ( this._modelElementName === 'imageBlock' ) {\n\t\t\tthis.isEnabled = imageUtils.isInlineImage( element );\n\t\t} else {\n\t\t\tthis.isEnabled = imageUtils.isBlockImage( element );\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command and changes the type of a selected image.\n\t *\n\t * @fires execute\n\t * @returns {Object|null} An object containing references to old and new model image elements\n\t * (for before and after the change) so external integrations can hook into the decorated\n\t * `execute` event and handle this change. `null` if the type change failed.\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst oldElement = imageUtils.getClosestSelectedImageElement( model.document.selection );\n\t\tconst attributes = Object.fromEntries( oldElement.getAttributes() );\n\n\t\t// Don't change image type if \"src\" is missing (a broken image), unless there's \"uploadId\" set.\n\t\t// This state may happen during image upload (before it finishes) and it should be possible to change type\n\t\t// of the image in the meantime.\n\t\tif ( !attributes.src && !attributes.uploadId ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn model.change( writer => {\n\t\t\t// Get all markers that contain the old image element.\n\t\t\tconst markers = Array.from( model.markers )\n\t\t\t\t.filter( marker => marker.getRange().containsItem( oldElement ) );\n\n\t\t\tconst newElement = imageUtils.insertImage( attributes, model.createSelection( oldElement, 'on' ), this._modelElementName );\n\n\t\t\tif ( !newElement ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tconst newElementRange = writer.createRangeOn( newElement );\n\n\t\t\t// Expand the previously intersecting markers' ranges to include the new image element.\n\t\t\tfor ( const marker of markers ) {\n\t\t\t\tconst markerRange = marker.getRange();\n\n\t\t\t\t// Join the survived part of the old marker range with the new element range\n\t\t\t\t// (loosely because there could be some new paragraph or the existing one might got split).\n\t\t\t\tconst range = markerRange.root.rootName != '$graveyard' ?\n\t\t\t\t\tmarkerRange.getJoined( newElementRange, true ) : newElementRange;\n\n\t\t\t\twriter.updateMarker( marker, { range } );\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\toldElement,\n\t\t\t\tnewElement\n\t\t\t};\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/imageblockediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ClipboardPipeline } from 'ckeditor5/src/clipboard';\nimport { UpcastWriter } from 'ckeditor5/src/engine';\n\nimport {\n\tdowncastImageAttribute,\n\tdowncastSrcsetAttribute,\n\tupcastImageFigure\n} from './converters';\n\nimport ImageEditing from './imageediting';\nimport ImageTypeCommand from './imagetypecommand';\nimport ImageUtils from '../imageutils';\nimport {\n\tgetImgViewElementMatcher,\n\tcreateImageViewElement,\n\tdetermineImageTypeForInsertionAtSelection\n} from '../image/utils';\n\n/**\n * The image block plugin.\n *\n * It registers:\n *\n * * `<imageBlock>` as a block element in the document schema, and allows `alt`, `src` and `srcset` attributes.\n * * converters for editing and data pipelines.,\n * * {@link module:image/image/imagetypecommand~ImageTypeCommand `'imageTypeBlock'`} command that converts inline images into\n * block images.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageBlockEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageEditing, ImageUtils, ClipboardPipeline ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageBlockEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\n\t\t// Converters 'alt' and 'srcset' are added in 'ImageEditing' plugin.\n\t\tschema.register( 'imageBlock', {\n\t\t\tisObject: true,\n\t\t\tisBlock: true,\n\t\t\tallowWhere: '$block',\n\t\t\tallowAttributes: [ 'alt', 'src', 'srcset' ]\n\t\t} );\n\n\t\tthis._setupConversion();\n\n\t\tif ( editor.plugins.has( 'ImageInlineEditing' ) ) {\n\t\t\teditor.commands.add( 'imageTypeBlock', new ImageTypeCommand( this.editor, 'imageBlock' ) );\n\n\t\t\tthis._setupClipboardIntegration();\n\t\t}\n\t}\n\n\t/**\n\t * Configures conversion pipelines to support upcasting and downcasting\n\t * block images (block image widgets) and their attributes.\n\t *\n\t * @private\n\t */\n\t_setupConversion() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst conversion = editor.conversion;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\t\tconversion.for( 'dataDowncast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'imageBlock',\n\t\t\t\tview: ( modelElement, { writer } ) => createImageViewElement( writer, 'imageBlock' )\n\t\t\t} );\n\n\t\tconversion.for( 'editingDowncast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'imageBlock',\n\t\t\t\tview: ( modelElement, { writer } ) => imageUtils.toImageWidget(\n\t\t\t\t\tcreateImageViewElement( writer, 'imageBlock' ), writer, t( 'image widget' )\n\t\t\t\t)\n\t\t\t} );\n\n\t\tconversion.for( 'downcast' )\n\t\t\t.add( downcastImageAttribute( imageUtils, 'imageBlock', 'src' ) )\n\t\t\t.add( downcastImageAttribute( imageUtils, 'imageBlock', 'alt' ) )\n\t\t\t.add( downcastSrcsetAttribute( imageUtils, 'imageBlock' ) );\n\n\t\t// More image related upcasts are in 'ImageEditing' plugin.\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tview: getImgViewElementMatcher( editor, 'imageBlock' ),\n\t\t\t\tmodel: ( viewImage, { writer } ) => writer.createElement(\n\t\t\t\t\t'imageBlock',\n\t\t\t\t\tviewImage.hasAttribute( 'src' ) ? { src: viewImage.getAttribute( 'src' ) } : null\n\t\t\t\t)\n\t\t\t} )\n\t\t\t.add( upcastImageFigure( imageUtils ) );\n\t}\n\n\t/**\n\t * Integrates the plugin with the clipboard pipeline.\n\t *\n\t * Idea is that the feature should recognize the user's intent when an **inline** image is\n\t * pasted or dropped. If such an image is pasted/dropped:\n\t *\n\t * * into an empty block (e.g. an empty paragraph),\n\t * * on another object (e.g. some block widget).\n\t *\n\t * it gets converted into a block image on the fly. We assume this is the user's intent\n\t * if they decided to put their image there.\n\t *\n\t * See the `ImageInlineEditing` for the similar integration that works in the opposite direction.\n\t *\n\t * @private\n\t */\n\t_setupClipboardIntegration() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst editingView = editor.editing.view;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\t\tthis.listenTo( editor.plugins.get( 'ClipboardPipeline' ), 'inputTransformation', ( evt, data ) => {\n\t\t\tconst docFragmentChildren = Array.from( data.content.getChildren() );\n\t\t\tlet modelRange;\n\n\t\t\t// Make sure only <img> elements are dropped or pasted. Otherwise, if there some other HTML\n\t\t\t// mixed up, this should be handled as a regular paste.\n\t\t\tif ( !docFragmentChildren.every( imageUtils.isInlineImageView ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// When drag and dropping, data.targetRanges specifies where to drop because\n\t\t\t// this is usually a different place than the current model selection (the user\n\t\t\t// uses a drop marker to specify the drop location).\n\t\t\tif ( data.targetRanges ) {\n\t\t\t\tmodelRange = editor.editing.mapper.toModelRange( data.targetRanges[ 0 ] );\n\t\t\t}\n\t\t\t// Pasting, however, always occurs at the current model selection.\n\t\t\telse {\n\t\t\t\tmodelRange = model.document.selection.getFirstRange();\n\t\t\t}\n\n\t\t\tconst selection = model.createSelection( modelRange );\n\n\t\t\t// Convert inline images into block images only when the currently selected block is empty\n\t\t\t// (e.g. an empty paragraph) or some object is selected (to replace it).\n\t\t\tif ( determineImageTypeForInsertionAtSelection( model.schema, selection ) === 'imageBlock' ) {\n\t\t\t\tconst writer = new UpcastWriter( editingView.document );\n\n\t\t\t\t// Wrap <img ... /> -> <figure class=\"image\"><img .../></figure>\n\t\t\t\tconst blockViewImages = docFragmentChildren.map(\n\t\t\t\t\tinlineViewImage => writer.createElement( 'figure', { class: 'image' }, inlineViewImage )\n\t\t\t\t);\n\n\t\t\t\tdata.content = writer.createDocumentFragment( blockViewImages );\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagecaption/utils\n */\n\n/**\n * Returns the caption model element from a given image element. Returns `null` if no caption is found.\n *\n * @param {module:engine/model/element~Element} imageModelElement\n * @returns {module:engine/model/element~Element|null}\n */\nexport function getCaptionFromImageModelElement( imageModelElement ) {\n\tfor ( const node of imageModelElement.getChildren() ) {\n\t\tif ( !!node && node.is( 'element', 'caption' ) ) {\n\t\t\treturn node;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n/**\n * Returns the caption model element for a model selection. Returns `null` if the selection has no caption element ancestor.\n *\n * @param {module:image/imageutils~ImageUtils} imageUtils\n * @param {module:engine/model/selection~Selection} selection\n * @returns {module:engine/model/element~Element|null}\n */\nexport function getCaptionFromModelSelection( imageUtils, selection ) {\n\tconst captionElement = selection.getFirstPosition().findAncestor( 'caption' );\n\n\tif ( !captionElement ) {\n\t\treturn null;\n\t}\n\n\tif ( imageUtils.isBlockImage( captionElement.parent ) ) {\n\t\treturn captionElement;\n\t}\n\n\treturn null;\n}\n\n/**\n * {@link module:engine/view/matcher~Matcher} pattern. Checks if a given element is a `<figcaption>` element that is placed\n * inside the image `<figure>` element.\n *\n * @param {module:image/imageutils~ImageUtils} imageUtils\n * @param {module:engine/view/element~Element} element\n * @returns {Object|null} Returns the object accepted by {@link module:engine/view/matcher~Matcher} or `null` if the element\n * cannot be matched.\n */\nexport function matchImageCaptionViewElement( imageUtils, element ) {\n\t// Convert only captions for images.\n\tif ( element.name == 'figcaption' && imageUtils.isBlockImageView( element.parent ) ) {\n\t\treturn { name: true };\n\t}\n\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagecaption/toggleimagecaptioncommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport ImageBlockEditing from '../image/imageblockediting';\nimport { getCaptionFromImageModelElement, getCaptionFromModelSelection } from './utils';\n\n/**\n * The toggle image caption command.\n *\n * This command is registered by {@link module:image/imagecaption/imagecaptionediting~ImageCaptionEditing} as the\n * `'toggleImageCaption'` editor command.\n *\n * Executing this command:\n *\n * * either adds or removes the image caption of a selected image (depending on whether the caption is present or not),\n * * removes the image caption if the selection is anchored in one.\n *\n *\t\t// Toggle the presence of the caption.\n *\t\teditor.execute( 'toggleImageCaption' );\n *\n * **Note**: Upon executing this command, the selection will be set on the image if previously anchored in the caption element.\n *\n * **Note**: You can move the selection to the caption right away as it shows up upon executing this command by using\n * the `focusCaptionOnShow` option:\n *\n *\t\teditor.execute( 'toggleImageCaption', { focusCaptionOnShow: true } );\n *\n * @extends module:core/command~Command\n */\nexport default class ToggleImageCaptionCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\t\t// Only block images can get captions.\n\t\tif ( !editor.plugins.has( ImageBlockEditing ) ) {\n\t\t\tthis.isEnabled = false;\n\t\t\tthis.value = false;\n\n\t\t\treturn;\n\t\t}\n\n\t\tconst selection = editor.model.document.selection;\n\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\tif ( !selectedElement ) {\n\t\t\tconst ancestorCaptionElement = getCaptionFromModelSelection( imageUtils, selection );\n\n\t\t\tthis.isEnabled = !!ancestorCaptionElement;\n\t\t\tthis.value = !!ancestorCaptionElement;\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Block images support captions by default but the command should also be enabled for inline\n\t\t// images because toggling the caption when one is selected should convert it into a block image.\n\t\tthis.isEnabled = this.editor.plugins.get( 'ImageUtils' ).isImage( selectedElement );\n\n\t\tif ( !this.isEnabled ) {\n\t\t\tthis.value = false;\n\t\t} else {\n\t\t\tthis.value = !!getCaptionFromImageModelElement( selectedElement );\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t *\t\teditor.execute( 'toggleImageCaption' );\n\t *\n\t * @param {Object} [options] Options for the executed command.\n\t * @param {String} [options.focusCaptionOnShow] When true and the caption shows up, the selection will be moved into it straight away.\n\t * @fires execute\n\t */\n\texecute( options = {} ) {\n\t\tconst { focusCaptionOnShow } = options;\n\n\t\tthis.editor.model.change( writer => {\n\t\t\tif ( this.value ) {\n\t\t\t\tthis._hideImageCaption( writer );\n\t\t\t} else {\n\t\t\t\tthis._showImageCaption( writer, focusCaptionOnShow );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Shows the caption of the `<imageBlock>` or `<imageInline>`. Also:\n\t *\n\t * * it converts `<imageInline>` to `<imageBlock>` to show the caption,\n\t * * it attempts to restore the caption content from the `ImageCaptionEditing` caption registry,\n\t * * it moves the selection to the caption right away, it the `focusCaptionOnShow` option was set.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer\n\t */\n\t_showImageCaption( writer, focusCaptionOnShow ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst imageCaptionEditing = this.editor.plugins.get( 'ImageCaptionEditing' );\n\n\t\tlet selectedImage = selection.getSelectedElement();\n\n\t\tconst savedCaption = imageCaptionEditing._getSavedCaption( selectedImage );\n\n\t\t// Convert imageInline -> image first.\n\t\tif ( this.editor.plugins.get( 'ImageUtils' ).isInlineImage( selectedImage ) ) {\n\t\t\tthis.editor.execute( 'imageTypeBlock' );\n\n\t\t\t// Executing the command created a new model element. Let's pick it again.\n\t\t\tselectedImage = selection.getSelectedElement();\n\t\t}\n\n\t\t// Try restoring the caption from the ImageCaptionEditing plugin storage.\n\t\tconst newCaptionElement = savedCaption || writer.createElement( 'caption' );\n\n\t\twriter.append( newCaptionElement, selectedImage );\n\n\t\tif ( focusCaptionOnShow ) {\n\t\t\twriter.setSelection( newCaptionElement, 'in' );\n\t\t}\n\t}\n\n\t/**\n\t * Hides the caption of a selected image (or an image caption the selection is anchored to).\n\t *\n\t * The content of the caption is stored in the `ImageCaptionEditing` caption registry to make this\n\t * a reversible action.\n\t *\n\t * @private\n\t * @param {module:engine/model/writer~Writer} writer\n\t */\n\t_hideImageCaption( writer ) {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst imageCaptionEditing = editor.plugins.get( 'ImageCaptionEditing' );\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tlet selectedImage = selection.getSelectedElement();\n\t\tlet captionElement;\n\n\t\tif ( selectedImage ) {\n\t\t\tcaptionElement = getCaptionFromImageModelElement( selectedImage );\n\t\t} else {\n\t\t\tcaptionElement = getCaptionFromModelSelection( imageUtils, selection );\n\t\t\tselectedImage = captionElement.parent;\n\t\t}\n\n\t\t// Store the caption content so it can be restored quickly if the user changes their mind even if they toggle image<->imageInline.\n\t\timageCaptionEditing._saveCaption( selectedImage, captionElement );\n\n\t\twriter.setSelection( selectedImage, 'on' );\n\t\twriter.remove( captionElement );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagecaption/imagecaptionediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Element, enablePlaceholder } from 'ckeditor5/src/engine';\nimport { toWidgetEditable } from 'ckeditor5/src/widget';\n\nimport ToggleImageCaptionCommand from './toggleimagecaptioncommand';\n\nimport ImageUtils from '../imageutils';\nimport { getCaptionFromImageModelElement, matchImageCaptionViewElement } from './utils';\n\n/**\n * The image caption engine plugin. It is responsible for:\n *\n * * registering converters for the caption element,\n * * registering converters for the caption model attribute,\n * * registering the {@link module:image/imagecaption/toggleimagecaptioncommand~ToggleImageCaptionCommand `toggleImageCaption`} command.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageCaptionEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageCaptionEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A map that keeps saved JSONified image captions and image model elements they are\n\t\t * associated with.\n\t\t *\n\t\t * To learn more about this system, see {@link #_saveCaption}.\n\t\t *\n\t\t * @member {WeakMap.<module:engine/model/element~Element,Object>}\n\t\t */\n\t\tthis._savedCaptionsMap = new WeakMap();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\n\t\t// Schema configuration.\n\t\tif ( !schema.isRegistered( 'caption' ) ) {\n\t\t\tschema.register( 'caption', {\n\t\t\t\tallowIn: 'imageBlock',\n\t\t\t\tallowContentOf: '$block',\n\t\t\t\tisLimit: true\n\t\t\t} );\n\t\t} else {\n\t\t\tschema.extend( 'caption', {\n\t\t\t\tallowIn: 'imageBlock'\n\t\t\t} );\n\t\t}\n\n\t\teditor.commands.add( 'toggleImageCaption', new ToggleImageCaptionCommand( this.editor ) );\n\n\t\tthis._setupConversion();\n\t\tthis._setupImageTypeCommandsIntegration();\n\t}\n\n\t/**\n\t * Configures conversion pipelines to support upcasting and downcasting\n\t * image captions.\n\t *\n\t * @private\n\t */\n\t_setupConversion() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst t = editor.t;\n\n\t\t// View -> model converter for the data pipeline.\n\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t\t\tview: element => matchImageCaptionViewElement( imageUtils, element ),\n\t\t\tmodel: 'caption'\n\t\t} );\n\n\t\t// Model -> view converter for the data pipeline.\n\t\teditor.conversion.for( 'dataDowncast' ).elementToElement( {\n\t\t\tmodel: 'caption',\n\t\t\tview: ( modelElement, { writer } ) => {\n\t\t\t\tif ( !imageUtils.isBlockImage( modelElement.parent ) ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\treturn writer.createContainerElement( 'figcaption' );\n\t\t\t}\n\t\t} );\n\n\t\t// Model -> view converter for the editing pipeline.\n\t\teditor.conversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'caption',\n\t\t\tview: ( modelElement, { writer } ) => {\n\t\t\t\tif ( !imageUtils.isBlockImage( modelElement.parent ) ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tconst figcaptionElement = writer.createEditableElement( 'figcaption' );\n\t\t\t\twriter.setCustomProperty( 'imageCaption', true, figcaptionElement );\n\n\t\t\t\tenablePlaceholder( {\n\t\t\t\t\tview,\n\t\t\t\t\telement: figcaptionElement,\n\t\t\t\t\ttext: t( 'Enter image caption' ),\n\t\t\t\t\tkeepOnFocus: true\n\t\t\t\t} );\n\n\t\t\t\treturn toWidgetEditable( figcaptionElement, writer );\n\t\t\t}\n\t\t} );\n\n\t\teditor.editing.mapper.on( 'modelToViewPosition', mapModelPositionToView( view ) );\n\t\teditor.data.mapper.on( 'modelToViewPosition', mapModelPositionToView( view ) );\n\t}\n\n\t/**\n\t * Integrates with {@link module:image/image/imagetypecommand~ImageTypeCommand image type commands}\n\t * to make sure the caption is preserved when the type of an image changes so it can be restored\n\t * in the future if the user decides they want their caption back.\n\t *\n\t * @private\n\t */\n\t_setupImageTypeCommandsIntegration() {\n\t\tconst editor = this.editor;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst imageTypeInlineCommand = editor.commands.get( 'imageTypeInline' );\n\t\tconst imageTypeBlockCommand = editor.commands.get( 'imageTypeBlock' );\n\n\t\tconst handleImageTypeChange = evt => {\n\t\t\t// The image type command execution can be unsuccessful.\n\t\t\tif ( !evt.return ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst { oldElement, newElement } = evt.return;\n\n\t\t\t/* istanbul ignore if: paranoid check */\n\t\t\tif ( !oldElement ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( imageUtils.isBlockImage( oldElement ) ) {\n\t\t\t\tconst oldCaptionElement = getCaptionFromImageModelElement( oldElement );\n\n\t\t\t\t// If the old element was a captioned block image (the caption was visible),\n\t\t\t\t// simply save it so it can be restored.\n\t\t\t\tif ( oldCaptionElement ) {\n\t\t\t\t\tthis._saveCaption( newElement, oldCaptionElement );\n\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst savedOldElementCaption = this._getSavedCaption( oldElement );\n\n\t\t\t// If either:\n\t\t\t//\n\t\t\t// * the block image didn't have a visible caption,\n\t\t\t// * the block image caption was hidden (and already saved),\n\t\t\t// * the inline image was passed\n\t\t\t//\n\t\t\t// just try to \"pass\" the saved caption from the old image to the new image\n\t\t\t// so it can be retrieved in the future if the user wants it back.\n\t\t\tif ( savedOldElementCaption ) {\n\t\t\t\t// Note: Since we're writing to a WeakMap, we don't bother with removing the\n\t\t\t\t// [ oldElement, savedOldElementCaption ] pair from it.\n\t\t\t\tthis._saveCaption( newElement, savedOldElementCaption );\n\t\t\t}\n\t\t};\n\n\t\t// Presence of the commands depends on the Image(Inline|Block)Editing plugins loaded in the editor.\n\t\tif ( imageTypeInlineCommand ) {\n\t\t\tthis.listenTo( imageTypeInlineCommand, 'execute', handleImageTypeChange, { priority: 'low' } );\n\t\t}\n\n\t\tif ( imageTypeBlockCommand ) {\n\t\t\tthis.listenTo( imageTypeBlockCommand, 'execute', handleImageTypeChange, { priority: 'low' } );\n\t\t}\n\t}\n\n\t/**\n\t * Returns the saved {@link module:engine/model/element~Element#toJSON JSONified} caption\n\t * of an image model element.\n\t *\n\t * See {@link #_saveCaption}.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} imageModelElement The model element the\n\t * caption should be returned for.\n\t * @returns {module:engine/model/element~Element|null} The model caption element or `null` if there is none.\n\t */\n\t_getSavedCaption( imageModelElement ) {\n\t\tconst jsonObject = this._savedCaptionsMap.get( imageModelElement );\n\n\t\treturn jsonObject ? Element.fromJSON( jsonObject ) : null;\n\t}\n\n\t/**\n\t * Saves a {@link module:engine/model/element~Element#toJSON JSONified} caption for\n\t * an image element to allow restoring it in the future.\n\t *\n\t * A caption is saved every time it gets hidden and/or the type of an image changes. The\n\t * user should be able to restore it on demand.\n\t *\n\t * **Note**: The caption cannot be stored in the image model element attribute because,\n\t * for instance, when the model state propagates to collaborators, the attribute would get\n\t * lost (mainly because it does not convert to anything when the caption is hidden) and\n\t * the states of collaborators' models would de-synchronize causing numerous issues.\n\t *\n\t * See {@link #_getSavedCaption}.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} imageModelElement The model element the\n\t * caption is saved for.\n\t * @param {module:engine/model/element~Element} caption The caption model element to be saved.\n\t */\n\t_saveCaption( imageModelElement, caption ) {\n\t\tthis._savedCaptionsMap.set( imageModelElement, caption.toJSON() );\n\t}\n}\n\n// Creates a mapper callback that reverses the order of `<img>` and `<figcaption>` in the image.\n// Without it, `<figcaption>` would precede the `<img>` in the conversion.\n//\n// <imageBlock>^</imageBlock> -> <figure><img>^<caption></caption></figure>\n//\n// @private\n// @param {module:engine/view/view~View} editingView\n// @returns {Function}\nfunction mapModelPositionToView( editingView ) {\n\treturn ( evt, data ) => {\n\t\tconst modelPosition = data.modelPosition;\n\t\tconst parent = modelPosition.parent;\n\n\t\tif ( !parent.is( 'element', 'imageBlock' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewElement = data.mapper.toViewElement( parent );\n\n\t\t// The \"img\" element is inserted by ImageBlockEditing during the downcast conversion via\n\t\t// an explicit view position so the \"0\" position does not need any mapping.\n\t\tdata.viewPosition = editingView.createPositionAt( viewElement, modelPosition.offset + 1 );\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagecaption/imagecaptionui\n */\n\nimport { Plugin, icons } from 'ckeditor5/src/core';\nimport { ButtonView } from 'ckeditor5/src/ui';\nimport ImageUtils from '../imageutils';\n\nimport { getCaptionFromModelSelection } from './utils';\n\n/**\n * The image caption UI plugin. It introduces the `'toggleImageCaption'` UI button.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageCaptionUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageCaptionUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst t = editor.t;\n\n\t\teditor.ui.componentFactory.add( 'toggleImageCaption', locale => {\n\t\t\tconst command = editor.commands.get( 'toggleImageCaption' );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\ticon: icons.caption,\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\t\t\tview.bind( 'label' ).to( command, 'value', value => value ? t( 'Toggle caption off' ) : t( 'Toggle caption on' ) );\n\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( 'toggleImageCaption', { focusCaptionOnShow: true } );\n\n\t\t\t\t// Scroll to the selection and highlight the caption if the caption showed up.\n\t\t\t\tconst modelCaptionElement = getCaptionFromModelSelection( imageUtils, editor.model.document.selection );\n\n\t\t\t\tif ( modelCaptionElement ) {\n\t\t\t\t\tconst figcaptionElement = editor.editing.mapper.toViewElement( modelCaptionElement );\n\n\t\t\t\t\teditingView.scrollToTheSelection();\n\n\t\t\t\t\teditingView.change( writer => {\n\t\t\t\t\t\twriter.addClass( 'image__caption_highlighted', figcaptionElement );\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imagecaption.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imagecaption.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle/imagestylecommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\n/**\n * The image style command. It is used to apply {@link module:image/imagestyle~ImageStyleConfig#options image style option}\n * to a selected image.\n *\n * **Note**: Executing this command may change the image model element if the desired style requires an image of a different\n * type. See {@link module:image/imagestyle/imagestylecommand~ImageStyleCommand#execute} to learn more.\n *\n * @extends module:core/command~Command\n */\nexport default class ImageStyleCommand extends Command {\n\t/**\n\t * Creates an instance of the image style command. When executed, the command applies one of\n\t * {@link module:image/imagestyle~ImageStyleConfig#options style options} to the currently selected image.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t * @param {Array.<module:image/imagestyle~ImageStyleOptionDefinition>} styles\n\t * The style options that this command supports.\n\t */\n\tconstructor( editor, styles ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * An object containing names of default style options for the inline and block images.\n\t\t * If there is no default style option for the given image type in the configuration,\n\t\t * the name will be `false`.\n\t\t *\n\t\t * @private\n\t\t * @type {Object.<String,module:image/imagestyle~ImageStyleOptionDefinition#name>}\n\t\t */\n\t\tthis._defaultStyles = {\n\t\t\timageBlock: false,\n\t\t\timageInline: false\n\t\t};\n\n\t\t/**\n\t\t * The styles handled by this command.\n\t\t *\n\t\t * @private\n\t\t * @type {module:image/imagestyle~ImageStyleConfig#options}\n\t\t */\n\t\tthis._styles = new Map( styles.map( style => {\n\t\t\tif ( style.isDefault ) {\n\t\t\t\tfor ( const modelElementName of style.modelElements ) {\n\t\t\t\t\tthis._defaultStyles[ modelElementName ] = style.name;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn [ style.name, style ];\n\t\t} ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst element = imageUtils.getClosestSelectedImageElement( this.editor.model.document.selection );\n\n\t\tthis.isEnabled = !!element;\n\n\t\tif ( !this.isEnabled ) {\n\t\t\tthis.value = false;\n\t\t} else if ( element.hasAttribute( 'imageStyle' ) ) {\n\t\t\tthis.value = element.getAttribute( 'imageStyle' );\n\t\t} else {\n\t\t\tthis.value = this._defaultStyles[ element.name ];\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command and applies the style to the currently selected image:\n\t *\n\t *\t\teditor.execute( 'imageStyle', { value: 'side' } );\n\t *\n\t * **Note**: Executing this command may change the image model element if the desired style requires an image\n\t * of a different type. Learn more about {@link module:image/imagestyle~ImageStyleOptionDefinition#modelElements model element}\n\t * configuration for the style option.\n\t *\n\t * @param {Object} options\n\t * @param {module:image/imagestyle~ImageStyleOptionDefinition#name} options.value The name of the style (as configured in\n\t * {@link module:image/imagestyle~ImageStyleConfig#options}).\n\t * @fires execute\n\t */\n\texecute( options = {} ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\t\tmodel.change( writer => {\n\t\t\tconst requestedStyle = options.value;\n\n\t\t\tlet imageElement = imageUtils.getClosestSelectedImageElement( model.document.selection );\n\n\t\t\t// Change the image type if a style requires it.\n\t\t\tif ( requestedStyle && this.shouldConvertImageType( requestedStyle, imageElement ) ) {\n\t\t\t\tthis.editor.execute( imageUtils.isBlockImage( imageElement ) ? 'imageTypeInline' : 'imageTypeBlock' );\n\n\t\t\t\t// Update the imageElement to the newly created image.\n\t\t\t\timageElement = imageUtils.getClosestSelectedImageElement( model.document.selection );\n\t\t\t}\n\n\t\t\t// Default style means that there is no `imageStyle` attribute in the model.\n\t\t\t// https://github.com/ckeditor/ckeditor5-image/issues/147\n\t\t\tif ( !requestedStyle || this._styles.get( requestedStyle ).isDefault ) {\n\t\t\t\twriter.removeAttribute( 'imageStyle', imageElement );\n\t\t\t} else {\n\t\t\t\twriter.setAttribute( 'imageStyle', requestedStyle, imageElement );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns `true` if requested style change would trigger the image type change.\n\t *\n\t * @param {module:image/imagestyle~ImageStyleOptionDefinition} requestedStyle The name of the style (as configured in\n\t * {@link module:image/imagestyle~ImageStyleConfig#options}).\n\t * @param {module:engine/model/element~Element} imageElement The image model element.\n\t * @returns {Boolean}\n\t */\n\tshouldConvertImageType( requestedStyle, imageElement ) {\n\t\tconst supportedTypes = this._styles.get( requestedStyle ).modelElements;\n\n\t\treturn !supportedTypes.includes( imageElement.name );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle/utils\n */\n\nimport { icons } from 'ckeditor5/src/core';\nimport { logWarning } from 'ckeditor5/src/utils';\n\nconst {\n\tobjectFullWidth,\n\tobjectInline,\n\tobjectLeft,\tobjectRight, objectCenter,\n\tobjectBlockLeft, objectBlockRight\n} = icons;\n\n/**\n * Default image style options provided by the plugin that can be referred in the {@link module:image/image~ImageConfig#styles}\n * configuration.\n *\n * There are available 5 styles focused on formatting:\n *\n * * **`'alignLeft'`** aligns the inline or block image to the left and wraps it with the text using the `image-style-align-left` class,\n * * **`'alignRight'`** aligns the inline or block image to the right and wraps it with the text using the `image-style-align-right` class,\n * * **`'alignCenter'`** centers the block image using the `image-style-align-center` class,\n * * **`'alignBlockLeft'`** aligns the block image to the left using the `image-style-block-align-left` class,\n * * **`'alignBlockRight'`** aligns the block image to the right using the `image-style-block-align-right` class,\n *\n * and 3 semantic styles:\n *\n * * **`'inline'`** is an inline image without any CSS class,\n * * **`'block'`** is a block image without any CSS class,\n * * **`'side'`** is a block image styled with the `image-style-side` CSS class.\n *\n * @readonly\n * @type {Object.<String,module:image/imagestyle~ImageStyleOptionDefinition>}\n */\nconst DEFAULT_OPTIONS = {\n\t// This style represents an image placed in the line of text.\n\tinline: {\n\t\tname: 'inline',\n\t\ttitle: 'In line',\n\t\ticon: objectInline,\n\t\tmodelElements: [ 'imageInline' ],\n\t\tisDefault: true\n\t},\n\n\t// This style represents an image aligned to the left and wrapped with text.\n\talignLeft: {\n\t\tname: 'alignLeft',\n\t\ttitle: 'Left aligned image',\n\t\ticon: objectLeft,\n\t\tmodelElements: [ 'imageBlock', 'imageInline' ],\n\t\tclassName: 'image-style-align-left'\n\t},\n\n\t// This style represents an image aligned to the left.\n\talignBlockLeft: {\n\t\tname: 'alignBlockLeft',\n\t\ttitle: 'Left aligned image',\n\t\ticon: objectBlockLeft,\n\t\tmodelElements: [ 'imageBlock' ],\n\t\tclassName: 'image-style-block-align-left'\n\t},\n\n\t// This style represents a centered image.\n\talignCenter: {\n\t\tname: 'alignCenter',\n\t\ttitle: 'Centered image',\n\t\ticon: objectCenter,\n\t\tmodelElements: [ 'imageBlock' ],\n\t\tclassName: 'image-style-align-center'\n\t},\n\n\t// This style represents an image aligned to the right and wrapped with text.\n\talignRight: {\n\t\tname: 'alignRight',\n\t\ttitle: 'Right aligned image',\n\t\ticon: objectRight,\n\t\tmodelElements: [ 'imageBlock', 'imageInline' ],\n\t\tclassName: 'image-style-align-right'\n\t},\n\n\t// This style represents an image aligned to the right.\n\talignBlockRight: {\n\t\tname: 'alignBlockRight',\n\t\ttitle: 'Right aligned image',\n\t\ticon: objectBlockRight,\n\t\tmodelElements: [ 'imageBlock' ],\n\t\tclassName: 'image-style-block-align-right'\n\t},\n\n\t// This option is equal to the situation when no style is applied.\n\tblock: {\n\t\tname: 'block',\n\t\ttitle: 'Centered image',\n\t\ticon: objectCenter,\n\t\tmodelElements: [ 'imageBlock' ],\n\t\tisDefault: true\n\t},\n\n\t// This represents a side image.\n\tside: {\n\t\tname: 'side',\n\t\ttitle: 'Side image',\n\t\ticon: objectRight,\n\t\tmodelElements: [ 'imageBlock' ],\n\t\tclassName: 'image-style-side'\n\t}\n};\n\n/**\n * Default image style icons provided by the plugin that can be referred in the {@link module:image/image~ImageConfig#styles}\n * configuration.\n *\n * See {@link module:image/imagestyle~ImageStyleOptionDefinition#icon} to learn more.\n *\n * There are 7 default icons available: `'full'`, `'left'`, `'inlineLeft'`, `'center'`, `'right'`, `'inlineRight'`, and `'inline'`.\n *\n * @readonly\n * @type {Object.<String,String>}\n */\nconst DEFAULT_ICONS = {\n\tfull: objectFullWidth,\n\tleft: objectBlockLeft,\n\tright: objectBlockRight,\n\tcenter: objectCenter,\n\tinlineLeft: objectLeft,\n\tinlineRight: objectRight,\n\tinline: objectInline\n};\n\n/**\n * Default drop-downs provided by the plugin that can be referred in the {@link module:image/image~ImageConfig#toolbar}\n * configuration. The drop-downs are containers for the {@link module:image/imagestyle~ImageStyleConfig#options image style options}.\n *\n * If both of the `ImageEditing` plugins are loaded, there are 2 predefined drop-downs available:\n *\n * * **`'imageStyle:wrapText'`**, which contains the `alignLeft` and `alignRight` options, that is,\n * those that wraps the text around the image,\n * * **`'imageStyle:breakText'`**, which contains the `alignBlockLeft`, `alignCenter` and `alignBlockRight` options, that is,\n * those that breaks the text around the image.\n *\n * @readonly\n * @type {Array.<module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition>}\n */\nconst DEFAULT_DROPDOWN_DEFINITIONS = [ {\n\tname: 'imageStyle:wrapText',\n\ttitle: 'Wrap text',\n\tdefaultItem: 'imageStyle:alignLeft',\n\titems: [ 'imageStyle:alignLeft', 'imageStyle:alignRight' ]\n}, {\n\tname: 'imageStyle:breakText',\n\ttitle: 'Break text',\n\tdefaultItem: 'imageStyle:block',\n\titems: [ 'imageStyle:alignBlockLeft', 'imageStyle:block', 'imageStyle:alignBlockRight' ]\n} ];\n\n/**\n * Returns a list of the normalized and validated image style options.\n *\n * @protected\n * @param {Object} config\n * @param {Boolean} config.isInlinePluginLoaded\n * Determines whether the {@link module:image/image/imageblockediting~ImageBlockEditing `ImageBlockEditing`} plugin has been loaded.\n * @param {Boolean} config.isBlockPluginLoaded\n * Determines whether the {@link module:image/image/imageinlineediting~ImageInlineEditing `ImageInlineEditing`} plugin has been loaded.\n * @param {module:image/imagestyle~ImageStyleConfig} config.configuredStyles\n * The image styles configuration provided in the image styles {@link module:image/image~ImageConfig#styles configuration}\n * as a default or custom value.\n * @returns {module:image/imagestyle~ImageStyleConfig}\n * * Each of options contains a complete icon markup.\n * * The image style options not supported by any of the loaded plugins are filtered out.\n */\nfunction normalizeStyles( config ) {\n\tconst configuredStyles = config.configuredStyles.options || [];\n\n\tconst styles = configuredStyles\n\t\t.map( arrangement => normalizeDefinition( arrangement ) )\n\t\t.filter( arrangement => isValidOption( arrangement, config ) );\n\n\treturn styles;\n}\n\n/**\n * Returns the default image styles configuration depending on the loaded image editing plugins.\n * @protected\n *\n * @param {Boolean} isInlinePluginLoaded\n * Determines whether the {@link module:image/image/imageblockediting~ImageBlockEditing `ImageBlockEditing`} plugin has been loaded.\n *\n * @param {Boolean} isBlockPluginLoaded\n * Determines whether the {@link module:image/image/imageinlineediting~ImageInlineEditing `ImageInlineEditing`} plugin has been loaded.\n *\n * @returns {Object<String,Array>}\n * It returns an object with the lists of the image style options and groups defined as strings related to the\n * {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default options}\n */\nfunction getDefaultStylesConfiguration( isBlockPluginLoaded, isInlinePluginLoaded ) {\n\tif ( isBlockPluginLoaded && isInlinePluginLoaded ) {\n\t\treturn {\n\t\t\toptions: [\n\t\t\t\t'inline', 'alignLeft', 'alignRight',\n\t\t\t\t'alignCenter', 'alignBlockLeft', 'alignBlockRight',\n\t\t\t\t'block', 'side'\n\t\t\t]\n\t\t};\n\t} else if ( isBlockPluginLoaded ) {\n\t\treturn {\n\t\t\toptions: [ 'block', 'side' ]\n\t\t};\n\t} else if ( isInlinePluginLoaded ) {\n\t\treturn {\n\t\t\toptions: [ 'inline', 'alignLeft', 'alignRight' ]\n\t\t};\n\t}\n\n\treturn {};\n}\n\n/**\n * Returns a list of the available predefined drop-downs' definitions depending on the loaded image editing plugins.\n * @protected\n *\n * @param {module:core/plugincollection~PluginCollection} pluginCollection\n * @returns {Array.<module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition>}\n */\nfunction getDefaultDropdownDefinitions( pluginCollection ) {\n\tif ( pluginCollection.has( 'ImageBlockEditing' ) && pluginCollection.has( 'ImageInlineEditing' ) ) {\n\t\treturn [ ...DEFAULT_DROPDOWN_DEFINITIONS ];\n\t} else {\n\t\treturn [];\n\t}\n}\n\n// Normalizes an image style option or group provided in the {@link module:image/image~ImageConfig#styles}\n// and returns it in a {@link module:image/imagestyle~ImageStyleOptionDefinition}/\n//\n// @param {Object|String} definition\n//\n// @returns {module:image/imagestyle~ImageStyleOptionDefinition}}\nfunction normalizeDefinition( definition ) {\n\tif ( typeof definition === 'string' ) {\n\t\t// Just the name of the style has been passed, but none of the defaults.\n\t\tif ( !DEFAULT_OPTIONS[ definition ] ) {\n\t\t\t// Normalize the style anyway to prevent errors.\n\t\t\tdefinition = { name: definition };\n\t\t}\n\t\t// Just the name of the style has been passed and it's one of the defaults, just use it.\n\t\t// Clone the style to avoid overriding defaults.\n\t\telse {\n\t\t\tdefinition = { ...DEFAULT_OPTIONS[ definition ] };\n\t\t}\n\t} else {\n\t\t// If an object style has been passed and if the name matches one of the defaults,\n\t\t// extend it with defaults – the user wants to customize a default style.\n\t\t// Note: Don't override the user–defined style object, clone it instead.\n\t\tdefinition = extendStyle( DEFAULT_OPTIONS[ definition.name ], definition );\n\t}\n\n\t// If an icon is defined as a string and correspond with a name\n\t// in default icons, use the default icon provided by the plugin.\n\tif ( typeof definition.icon === 'string' ) {\n\t\tdefinition.icon = DEFAULT_ICONS[ definition.icon ] || definition.icon;\n\t}\n\n\treturn definition;\n}\n\n// Checks if the image style option is valid:\n// * if it has the modelElements fields defined and filled,\n// * if the defined modelElements are supported by any of the loaded image editing plugins.\n// It also displays a console warning these conditions are not met.\n//\n// @param {module:image/imagestyle~ImageStyleOptionDefinition} image style option\n// @param {Object.<String,Boolean>} { isBlockPluginLoaded, isInlinePluginLoaded }\n//\n// @returns Boolean\nfunction isValidOption( option, { isBlockPluginLoaded, isInlinePluginLoaded } ) {\n\tconst { modelElements, name } = option;\n\n\tif ( !modelElements || !modelElements.length || !name ) {\n\t\twarnInvalidStyle( { style: option } );\n\n\t\treturn false;\n\t} else {\n\t\tconst supportedElements = [ isBlockPluginLoaded ? 'imageBlock' : null, isInlinePluginLoaded ? 'imageInline' : null ];\n\n\t\t// Check if the option is supported by any of the loaded plugins.\n\t\tif ( !modelElements.some( elementName => supportedElements.includes( elementName ) ) ) {\n\t\t\t/**\n\t\t\t * In order to work correctly, each image style {@link module:image/imagestyle~ImageStyleOptionDefinition option}\n\t\t\t * requires specific model elements (also: types of images) to be supported by the editor.\n\t\t\t *\n\t\t\t * Model element names to which the image style option can be applied are defined in the\n\t\t\t * {@link module:image/imagestyle~ImageStyleOptionDefinition#modelElements} property of the style option\n\t\t\t * definition.\n\t\t\t *\n\t\t\t * Explore the warning in the console to find out precisely which option is not supported and which editor plugins\n\t\t\t * are missing. Make sure these plugins are loaded in your editor to get this image style option working.\n\t\t\t *\n\t\t\t * @error image-style-missing-dependency\n\t\t\t * @param {String} [option] The name of the unsupported option.\n\t\t\t * @param {String} [missingPlugins] The names of the plugins one of which has to be loaded for the particular option.\n\t\t\t */\n\t\t\tlogWarning( 'image-style-missing-dependency', {\n\t\t\t\tstyle: option,\n\t\t\t\tmissingPlugins: modelElements.map( name => name === 'imageBlock' ? 'ImageBlockEditing' : 'ImageInlineEditing' )\n\t\t\t} );\n\n\t\t\treturn false;\n\t\t}\n\t}\n\n\treturn true;\n}\n\n// Extends the default style with a style provided by the developer.\n// Note: Don't override the custom–defined style object, clone it instead.\n//\n// @param {module:image/imagestyle~ImageStyleOptionDefinition} source\n// @param {Object} style\n//\n// @returns {module:image/imagestyle~ImageStyleOptionDefinition}\nfunction extendStyle( source, style ) {\n\tconst extendedStyle = { ...style };\n\n\tfor ( const prop in source ) {\n\t\tif ( !Object.prototype.hasOwnProperty.call( style, prop ) ) {\n\t\t\textendedStyle[ prop ] = source[ prop ];\n\t\t}\n\t}\n\n\treturn extendedStyle;\n}\n\n// Displays a console warning with the 'image-style-configuration-definition-invalid' error.\n// @param {Object} info\nfunction warnInvalidStyle( info ) {\n\t/**\n\t * The image style definition provided in the configuration is invalid.\n\t *\n\t * Please make sure the definition implements properly one of the following:\n\t *\n\t * * {@link module:image/imagestyle~ImageStyleOptionDefinition image style option definition},\n\t * * {@link module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition image style dropdown definition}\n\t *\n\t * @error image-style-configuration-definition-invalid\n\t * @param {String} [dropdown] The name of the invalid drop-down\n\t * @param {String} [style] The name of the invalid image style option\n\t */\n\tlogWarning( 'image-style-configuration-definition-invalid', info );\n}\n\nexport default {\n\tnormalizeStyles,\n\tgetDefaultStylesConfiguration,\n\tgetDefaultDropdownDefinitions,\n\twarnInvalidStyle,\n\tDEFAULT_OPTIONS,\n\tDEFAULT_ICONS,\n\tDEFAULT_DROPDOWN_DEFINITIONS\n};\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * @module image/imagestyle/converters\n */\n\n/**\n * Returns a converter for the `imageStyle` attribute. It can be used for adding, changing and removing the attribute.\n *\n * @param {Array.<module:image/imagestyle~ImageStyleOptionDefinition>} styles\n * An array containing available image style options.\n * @returns {Function} A model-to-view attribute converter.\n */\nexport function modelToViewStyleAttribute( styles ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Check if there is class name associated with given value.\n\t\tconst newStyle = getStyleDefinitionByName( data.attributeNewValue, styles );\n\t\tconst oldStyle = getStyleDefinitionByName( data.attributeOldValue, styles );\n\n\t\tconst viewElement = conversionApi.mapper.toViewElement( data.item );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\tif ( oldStyle ) {\n\t\t\tviewWriter.removeClass( oldStyle.className, viewElement );\n\t\t}\n\n\t\tif ( newStyle ) {\n\t\t\tviewWriter.addClass( newStyle.className, viewElement );\n\t\t}\n\t};\n}\n\n/**\n * Returns a view-to-model converter converting image CSS classes to a proper value in the model.\n *\n * @param {Array.<module:image/imagestyle~ImageStyleOptionDefinition>} styles\n * Image style options for which the converter is created.\n * @returns {Function} A view-to-model converter.\n */\nexport function viewToModelStyleAttribute( styles ) {\n\t// Convert only non–default styles.\n\tconst nonDefaultStyles = {\n\t\timageInline: styles.filter( style => !style.isDefault && style.modelElements.includes( 'imageInline' ) ),\n\t\timageBlock: styles.filter( style => !style.isDefault && style.modelElements.includes( 'imageBlock' ) )\n\t};\n\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !data.modelRange ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewElement = data.viewItem;\n\t\tconst modelImageElement = first( data.modelRange.getItems() );\n\n\t\t// Run this converter only if an image has been found in the model.\n\t\t// In some cases it may not be found (for example if we run this on a figure with different type than image).\n\t\tif ( !modelImageElement ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// ...and the `imageStyle` attribute is allowed for that element, otherwise stop conversion early.\n\t\tif ( !conversionApi.schema.checkAttribute( modelImageElement, 'imageStyle' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Convert styles one by one.\n\t\tfor ( const style of nonDefaultStyles[ modelImageElement.name ] ) {\n\t\t\t// Try to consume class corresponding with the style.\n\t\t\tif ( conversionApi.consumable.consume( viewElement, { classes: style.className } ) ) {\n\t\t\t\t// And convert this style to model attribute.\n\t\t\t\tconversionApi.writer.setAttribute( 'imageStyle', style.name, modelImageElement );\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Returns the style with a given `name` from an array of styles.\n//\n// @param {String} name\n// @param {Array.<module:image/imagestyle~ImageStyleOptionDefinition> } styles\n// @returns {module:image/imagestyle~ImageStyleOptionDefinition|undefined}\nfunction getStyleDefinitionByName( name, styles ) {\n\tfor ( const style of styles ) {\n\t\tif ( style.name === name ) {\n\t\t\treturn style;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle/imagestyleediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageStyleCommand from './imagestylecommand';\nimport ImageUtils from '../imageutils';\nimport utils from './utils';\nimport { viewToModelStyleAttribute, modelToViewStyleAttribute } from './converters';\n\n/**\n * The image style engine plugin. It sets the default configuration, creates converters and registers\n * {@link module:image/imagestyle/imagestylecommand~ImageStyleCommand ImageStyleCommand}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageStyleEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageStyleEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst { normalizeStyles, getDefaultStylesConfiguration } = utils;\n\t\tconst editor = this.editor;\n\t\tconst isBlockPluginLoaded = editor.plugins.has( 'ImageBlockEditing' );\n\t\tconst isInlinePluginLoaded = editor.plugins.has( 'ImageInlineEditing' );\n\n\t\teditor.config.define( 'image.styles', getDefaultStylesConfiguration( isBlockPluginLoaded, isInlinePluginLoaded ) );\n\n\t\t/**\n\t\t * It contains a list of the normalized and validated style options.\n\t\t *\n\t\t * * Each option contains a complete icon markup.\n\t\t * * The style options not supported by any of the loaded image editing plugins (\n\t\t * {@link module:image/image/imageinlineediting~ImageInlineEditing `ImageInlineEditing`} or\n\t\t * {@link module:image/image/imageblockediting~ImageBlockEditing `ImageBlockEditing`}) are filtered out.\n\t\t *\n\t\t * @protected\n\t\t * @readonly\n\t\t * @type {module:image/imagestyle~ImageStyleConfig}\n\t\t */\n\t\tthis.normalizedStyles = normalizeStyles( {\n\t\t\tconfiguredStyles: editor.config.get( 'image.styles' ),\n\t\t\tisBlockPluginLoaded,\n\t\t\tisInlinePluginLoaded\n\t\t} );\n\n\t\tthis._setupConversion( isBlockPluginLoaded, isInlinePluginLoaded );\n\t\tthis._setupPostFixer();\n\n\t\t// Register imageStyle command.\n\t\teditor.commands.add( 'imageStyle', new ImageStyleCommand( editor, this.normalizedStyles ) );\n\t}\n\n\t/**\n\t * Sets the editor conversion taking the presence of\n\t * {@link module:image/image/imageinlineediting~ImageInlineEditing `ImageInlineEditing`}\n\t * and {@link module:image/image/imageblockediting~ImageBlockEditing `ImageBlockEditing`} plugins into consideration.\n\t *\n\t * @private\n\t * @param {Boolean} isBlockPluginLoaded\n\t * @param {Boolean} isInlinePluginLoaded\n\t */\n\t_setupConversion( isBlockPluginLoaded, isInlinePluginLoaded ) {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\n\t\tconst modelToViewConverter = modelToViewStyleAttribute( this.normalizedStyles );\n\t\tconst viewToModelConverter = viewToModelStyleAttribute( this.normalizedStyles );\n\n\t\teditor.editing.downcastDispatcher.on( 'attribute:imageStyle', modelToViewConverter );\n\t\teditor.data.downcastDispatcher.on( 'attribute:imageStyle', modelToViewConverter );\n\n\t\t// Allow imageStyle attribute in image and imageInline.\n\t\t// We could call it 'style' but https://github.com/ckeditor/ckeditor5-engine/issues/559.\n\t\tif ( isBlockPluginLoaded ) {\n\t\t\tschema.extend( 'imageBlock', { allowAttributes: 'imageStyle' } );\n\n\t\t\t// Converter for figure element from view to model.\n\t\t\teditor.data.upcastDispatcher.on( 'element:figure', viewToModelConverter, { priority: 'low' } );\n\t\t}\n\n\t\tif ( isInlinePluginLoaded ) {\n\t\t\tschema.extend( 'imageInline', { allowAttributes: 'imageStyle' } );\n\n\t\t\t// Converter for the img element from view to model.\n\t\t\teditor.data.upcastDispatcher.on( 'element:img', viewToModelConverter, { priority: 'low' } );\n\t\t}\n\t}\n\n\t/**\n\t * Registers a post-fixer that will make sure that the style attribute value is correct for a specific image type (block vs inline).\n\t *\n\t * @private\n\t */\n\t_setupPostFixer() {\n\t\tconst editor = this.editor;\n\t\tconst document = editor.model.document;\n\n\t\tconst imageUtils = editor.plugins.get( ImageUtils );\n\t\tconst stylesMap = new Map( this.normalizedStyles.map( style => [ style.name, style ] ) );\n\n\t\t// Make sure that style attribute is valid for the image type.\n\t\tdocument.registerPostFixer( writer => {\n\t\t\tlet changed = false;\n\n\t\t\tfor ( const change of document.differ.getChanges() ) {\n\t\t\t\tif ( change.type == 'insert' || change.type == 'attribute' && change.attributeKey == 'imageStyle' ) {\n\t\t\t\t\tlet element = change.type == 'insert' ? change.position.nodeAfter : change.range.start.nodeAfter;\n\n\t\t\t\t\tif ( element && element.is( 'element', 'paragraph' ) && element.childCount > 0 ) {\n\t\t\t\t\t\telement = element.getChild( 0 );\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( !imageUtils.isImage( element ) ) {\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tconst imageStyle = element.getAttribute( 'imageStyle' );\n\n\t\t\t\t\tif ( !imageStyle ) {\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tconst imageStyleDefinition = stylesMap.get( imageStyle );\n\n\t\t\t\t\tif ( !imageStyleDefinition || !imageStyleDefinition.modelElements.includes( element.name ) ) {\n\t\t\t\t\t\twriter.removeAttribute( 'imageStyle', element );\n\t\t\t\t\t\tchanged = true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn changed;\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imagestyle.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imagestyle.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle/imagestyleui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView, createDropdown, addToolbarToDropdown, SplitButtonView } from 'ckeditor5/src/ui';\nimport ImageStyleEditing from './imagestyleediting';\nimport utils from './utils';\nimport { isObject, identity } from 'lodash-es';\n\nimport '../../theme/imagestyle.css';\n\n/**\n * The image style UI plugin.\n *\n * It registers buttons corresponding to the {@link module:image/image~ImageConfig#styles} configuration.\n * It also registers the {@link module:image/imagestyle/utils~DEFAULT_DROPDOWN_DEFINITIONS default drop-downs} and the\n * custom drop-downs defined by the developer in the {@link module:image/image~ImageConfig#toolbar} configuration.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageStyleUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageStyleEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageStyleUI';\n\t}\n\n\t/**\n\t * Returns the default localized style titles provided by the plugin.\n\t *\n\t * The following localized titles corresponding with\n\t * {@link module:image/imagestyle/utils~DEFAULT_OPTIONS} are available:\n\t *\n\t * * `'Wrap text'`,\n\t * * `'Break text'`,\n\t * * `'In line'`,\n\t * * `'Full size image'`,\n\t * * `'Side image'`,\n\t * * `'Left aligned image'`,\n\t * * `'Centered image'`,\n\t * * `'Right aligned image'`\n\t *\n\t * @returns {Object.<String,String>}\n\t */\n\tget localizedDefaultStylesTitles() {\n\t\tconst t = this.editor.t;\n\n\t\treturn {\n\t\t\t'Wrap text': t( 'Wrap text' ),\n\t\t\t'Break text': t( 'Break text' ),\n\t\t\t'In line': t( 'In line' ),\n\t\t\t'Full size image': t( 'Full size image' ),\n\t\t\t'Side image': t( 'Side image' ),\n\t\t\t'Left aligned image': t( 'Left aligned image' ),\n\t\t\t'Centered image': t( 'Centered image' ),\n\t\t\t'Right aligned image': t( 'Right aligned image' )\n\t\t};\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst plugins = this.editor.plugins;\n\t\tconst toolbarConfig = this.editor.config.get( 'image.toolbar' ) || [];\n\n\t\tconst definedStyles = translateStyles(\n\t\t\tplugins.get( 'ImageStyleEditing' ).normalizedStyles,\n\t\t\tthis.localizedDefaultStylesTitles\n\t\t);\n\n\t\tfor ( const styleConfig of definedStyles ) {\n\t\t\tthis._createButton( styleConfig );\n\t\t}\n\n\t\tconst definedDropdowns = translateStyles(\n\t\t\t[ ...toolbarConfig.filter( isObject ), ...utils.getDefaultDropdownDefinitions( plugins ) ],\n\t\t\tthis.localizedDefaultStylesTitles\n\t\t);\n\n\t\tfor ( const dropdownConfig of definedDropdowns ) {\n\t\t\tthis._createDropdown( dropdownConfig, definedStyles );\n\t\t}\n\t}\n\n\t/**\n\t * Creates a dropdown and stores it in the editor {@link module:ui/componentfactory~ComponentFactory}.\n\t *\n\t * @private\n\t * @param {module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition} dropdownConfig\n\t * @param {Array.<module:image/imagestyle~ImageStyleOptionDefinition>} definedStyles\n\t */\n\t_createDropdown( dropdownConfig, definedStyles ) {\n\t\tconst factory = this.editor.ui.componentFactory;\n\n\t\tfactory.add( dropdownConfig.name, locale => {\n\t\t\tlet defaultButton;\n\n\t\t\tconst { defaultItem, items, title } = dropdownConfig;\n\t\t\tconst buttonViews = items\n\t\t\t\t.filter( itemName => definedStyles.find( ( { name } ) => getUIComponentName( name ) === itemName ) )\n\t\t\t\t.map( buttonName => {\n\t\t\t\t\tconst button = factory.create( buttonName );\n\n\t\t\t\t\tif ( buttonName === defaultItem ) {\n\t\t\t\t\t\tdefaultButton = button;\n\t\t\t\t\t}\n\n\t\t\t\t\treturn button;\n\t\t\t\t} );\n\n\t\t\tif ( items.length !== buttonViews.length ) {\n\t\t\t\tutils.warnInvalidStyle( { dropdown: dropdownConfig } );\n\t\t\t}\n\n\t\t\tconst dropdownView = createDropdown( locale, SplitButtonView );\n\t\t\tconst splitButtonView = dropdownView.buttonView;\n\n\t\t\taddToolbarToDropdown( dropdownView, buttonViews );\n\n\t\t\tsplitButtonView.set( {\n\t\t\t\tlabel: getDropdownButtonTitle( title, defaultButton.label ),\n\t\t\t\tclass: null,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tsplitButtonView.bind( 'icon' ).toMany( buttonViews, 'isOn', ( ...areOn ) => {\n\t\t\t\tconst index = areOn.findIndex( identity );\n\n\t\t\t\treturn ( index < 0 ) ? defaultButton.icon : buttonViews[ index ].icon;\n\t\t\t} );\n\n\t\t\tsplitButtonView.bind( 'label' ).toMany( buttonViews, 'isOn', ( ...areOn ) => {\n\t\t\t\tconst index = areOn.findIndex( identity );\n\n\t\t\t\treturn getDropdownButtonTitle( title, ( index < 0 ) ? defaultButton.label : buttonViews[ index ].label );\n\t\t\t} );\n\n\t\t\tsplitButtonView.bind( 'isOn' ).toMany( buttonViews, 'isOn', ( ...areOn ) => areOn.some( identity ) );\n\n\t\t\tsplitButtonView.bind( 'class' )\n\t\t\t\t.toMany( buttonViews, 'isOn', ( ...areOn ) => areOn.some( identity ) ? 'ck-splitbutton_flatten' : null );\n\n\t\t\tsplitButtonView.on( 'execute', () => {\n\t\t\t\tif ( !buttonViews.some( ( { isOn } ) => isOn ) ) {\n\t\t\t\t\tdefaultButton.fire( 'execute' );\n\t\t\t\t} else {\n\t\t\t\t\tdropdownView.isOpen = !dropdownView.isOpen;\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tdropdownView.bind( 'isEnabled' )\n\t\t\t\t.toMany( buttonViews, 'isEnabled', ( ...areEnabled ) => areEnabled.some( identity ) );\n\n\t\t\treturn dropdownView;\n\t\t} );\n\t}\n\n\t/**\n\t * Creates a button and stores it in the editor {@link module:ui/componentfactory~ComponentFactory}.\n\t *\n\t * @private\n\t * @param {module:image/imagestyle~ImageStyleOptionDefinition} buttonConfig\n\t */\n\t_createButton( buttonConfig ) {\n\t\tconst buttonName = buttonConfig.name;\n\n\t\tthis.editor.ui.componentFactory.add( getUIComponentName( buttonName ), locale => {\n\t\t\tconst command = this.editor.commands.get( 'imageStyle' );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: buttonConfig.title,\n\t\t\t\ticon: buttonConfig.icon,\n\t\t\t\ttooltip: true,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isEnabled' ).to( command, 'isEnabled' );\n\t\t\tview.bind( 'isOn' ).to( command, 'value', value => value === buttonName );\n\t\t\tview.on( 'execute', this._executeCommand.bind( this, buttonName ) );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\t_executeCommand( name ) {\n\t\tthis.editor.execute( 'imageStyle', { value: name } );\n\t\tthis.editor.editing.view.focus();\n\t}\n}\n\n// Returns the translated `title` from the passed styles array.\n//\n// @param {Array.<module:image/imagestyle~ImageStyleOptionDefinition|\n// module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition>} styles\n// @param {Object.<String,String>} titles\n//\n// @returns {Array.<module:image/imagestyle~ImageStyleOptionDefinition|module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition>}\nfunction translateStyles( styles, titles ) {\n\tfor ( const style of styles ) {\n\t\t// Localize the titles of the styles, if a title corresponds with\n\t\t// a localized default provided by the plugin.\n\t\tif ( titles[ style.title ] ) {\n\t\t\tstyle.title = titles[ style.title ];\n\t\t}\n\t}\n\n\treturn styles;\n}\n\n// Returns the image style component name with the \"imageStyle:\" prefix.\n//\n// @param {String} name\n// @returns {String}\nfunction getUIComponentName( name ) {\n\treturn `imageStyle:${ name }`;\n}\n\n// Returns title for the splitbutton containing the dropdown title and default action item title.\n//\n// @param {String|undefined} dropdownTitle\n// @param {String} buttonTitle\n// @returns {String}\nfunction getDropdownButtonTitle( dropdownTitle, buttonTitle ) {\n\treturn ( dropdownTitle ? dropdownTitle + ': ' : '' ) + buttonTitle;\n}\n\n/**\n * # **The image style custom drop-down definition descriptor**\n *\n * This definition can be implemented in the {@link module:image/image~ImageConfig#toolbar image toolbar configuration}\n * to define a completely custom drop-down in the image toolbar.\n *\n *\t\tClassicEditor.create( editorElement, {\n *\t\t\timage: { toolbar: [\n *\t \t\t\t// One of the predefined drop-downs\n *\t \t\t\t'imageStyle:wrapText',\n *\t\t\t\t// Custom drop-down\n *\t\t\t\t{\n *\t\t\t\t\tname: 'imageStyle:customDropdown',\n *\t\t\t\t\ttitle: Custom drop-down title,\n *\t\t\t\t\titems: [ 'imageStyle:alignLeft', 'imageStyle:alignRight' ],\n *\t\t\t\t\tdefaultItem: 'imageStyle:alignLeft'\n *\t\t\t\t}\n *\t\t\t] }\n *\t\t} );\n *\n * **Note:** At the moment it is possible to populate the custom drop-down with only the buttons registered by the `ImageStyle` plugin.\n *\n * The defined drop-down will be registered\n * as the {@link module:ui/dropdown/dropdownview~DropdownView}\n * with the {@link module:ui/dropdown/button/splitbuttonview~SplitButtonView} under the provided name in the\n * {@link module:ui/componentfactory~ComponentFactory}\n *\n * @property {String} name The unique name of the drop-down. It is recommended to precede it with the \"imageStyle:\" prefix\n * to avoid collision with the components' names registered by other plugins.\n *\n * @property {String} [title] The drop-down's title. It will be used as the split button label along with the title of the default item\n * in the following manner: \"Custom drop-down title: Default item title\".\n *\n * Setting `title` to one of\n * {@link module:image/imagestyle/imagestyleui~ImageStyleUI#localizedDefaultStylesTitles}\n * will automatically translate it to the language of the editor.\n *\n * @property {Array.<String>} items The list of the names of the buttons that will be placed in the drop-down's toolbar.\n * Each of the buttons has to be one of the {@link module:image/image~ImageConfig#styles default image style buttons}\n * or to be defined as the {@link module:image/imagestyle~ImageStyleOptionDefinition image styling option}.\n *\n * @property {String} defaultItem The name of one of the buttons from the items list,\n * which will be used as a default button for the drop-down's split button.\n *\n * @typedef {Object} module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\n/**\n * @module link/utils\n */\n\nimport { toMap } from 'ckeditor5/src/utils';\n\n/**\n * Helper class that ties together all {@link module:link/link~LinkDecoratorAutomaticDefinition} and provides\n * the {@link module:engine/conversion/downcasthelpers~DowncastHelpers#attributeToElement downcast dispatchers} for them.\n */\nexport default class AutomaticDecorators {\n\tconstructor() {\n\t\t/**\n\t\t * Stores the definition of {@link module:link/link~LinkDecoratorAutomaticDefinition automatic decorators}.\n\t\t * This data is used as a source for a downcast dispatcher to create a proper conversion to output data.\n\t\t *\n\t\t * @private\n\t\t * @type {Set}\n\t\t */\n\t\tthis._definitions = new Set();\n\t}\n\n\t/**\n\t * Gives information about the number of decorators stored in the {@link module:link/utils~AutomaticDecorators} instance.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Number}\n\t */\n\tget length() {\n\t\treturn this._definitions.size;\n\t}\n\n\t/**\n\t * Adds automatic decorator objects or an array with them to be used during downcasting.\n\t *\n\t * @param {module:link/link~LinkDecoratorAutomaticDefinition|Array.<module:link/link~LinkDecoratorAutomaticDefinition>} item\n\t * A configuration object of automatic rules for decorating links. It might also be an array of such objects.\n\t */\n\tadd( item ) {\n\t\tif ( Array.isArray( item ) ) {\n\t\t\titem.forEach( item => this._definitions.add( item ) );\n\t\t} else {\n\t\t\tthis._definitions.add( item );\n\t\t}\n\t}\n\n\t/**\n\t * Provides the conversion helper used in the {@link module:engine/conversion/downcasthelpers~DowncastHelpers#add} method.\n\t *\n\t * @returns {Function} A dispatcher function used as conversion helper\n\t * in {@link module:engine/conversion/downcasthelpers~DowncastHelpers#add}.\n\t */\n\tgetDispatcher() {\n\t\treturn dispatcher => {\n\t\t\tdispatcher.on( 'attribute:linkHref', ( evt, data, conversionApi ) => {\n\t\t\t\t// There is only test as this behavior decorates links and\n\t\t\t\t// it is run before dispatcher which actually consumes this node.\n\t\t\t\t// This allows on writing own dispatcher with highest priority,\n\t\t\t\t// which blocks both native converter and this additional decoration.\n\t\t\t\tif ( !conversionApi.consumable.test( data.item, 'attribute:linkHref' ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\t\tconst viewSelection = viewWriter.document.selection;\n\n\t\t\t\tfor ( const item of this._definitions ) {\n\t\t\t\t\tconst viewElement = viewWriter.createAttributeElement( 'a', item.attributes, {\n\t\t\t\t\t\tpriority: 5\n\t\t\t\t\t} );\n\n\t\t\t\t\tif ( item.classes ) {\n\t\t\t\t\t\tviewWriter.addClass( item.classes, viewElement );\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( const key in item.styles ) {\n\t\t\t\t\t\tviewWriter.setStyle( key, item.styles[ key ], viewElement );\n\t\t\t\t\t}\n\n\t\t\t\t\tviewWriter.setCustomProperty( 'link', true, viewElement );\n\t\t\t\t\tif ( item.callback( data.attributeNewValue ) ) {\n\t\t\t\t\t\tif ( data.item.is( 'selection' ) ) {\n\t\t\t\t\t\t\tviewWriter.wrap( viewSelection.getFirstRange(), viewElement );\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tviewWriter.wrap( conversionApi.mapper.toViewRange( data.range ), viewElement );\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tviewWriter.unwrap( conversionApi.mapper.toViewRange( data.range ), viewElement );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}, { priority: 'high' } );\n\t\t};\n\t}\n\n\t/**\n\t * Provides the conversion helper used in the {@link module:engine/conversion/downcasthelpers~DowncastHelpers#add} method\n\t * when linking images.\n\t *\n\t * @returns {Function} A dispatcher function used as conversion helper\n\t * in {@link module:engine/conversion/downcasthelpers~DowncastHelpers#add}.\n\t */\n\tgetDispatcherForLinkedImage() {\n\t\treturn dispatcher => {\n\t\t\tdispatcher.on( 'attribute:linkHref:imageBlock', ( evt, data, { writer, mapper } ) => {\n\t\t\t\tconst viewFigure = mapper.toViewElement( data.item );\n\t\t\t\tconst linkInImage = Array.from( viewFigure.getChildren() ).find( child => child.name === 'a' );\n\n\t\t\t\tfor ( const item of this._definitions ) {\n\t\t\t\t\tconst attributes = toMap( item.attributes );\n\n\t\t\t\t\tif ( item.callback( data.attributeNewValue ) ) {\n\t\t\t\t\t\tfor ( const [ key, val ] of attributes ) {\n\t\t\t\t\t\t\t// Left for backward compatibility. Since v30 decorator should\n\t\t\t\t\t\t\t// accept `classes` and `styles` separately from `attributes`.\n\t\t\t\t\t\t\tif ( key === 'class' ) {\n\t\t\t\t\t\t\t\twriter.addClass( val, linkInImage );\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\twriter.setAttribute( key, val, linkInImage );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( item.classes ) {\n\t\t\t\t\t\t\twriter.addClass( item.classes, linkInImage );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( const key in item.styles ) {\n\t\t\t\t\t\t\twriter.setStyle( key, item.styles[ key ], linkInImage );\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tfor ( const [ key, val ] of attributes ) {\n\t\t\t\t\t\t\tif ( key === 'class' ) {\n\t\t\t\t\t\t\t\twriter.removeClass( val, linkInImage );\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\twriter.removeAttribute( key, linkInImage );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( item.classes ) {\n\t\t\t\t\t\t\twriter.removeClass( item.classes, linkInImage );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( const key in item.styles ) {\n\t\t\t\t\t\t\twriter.removeStyle( key, linkInImage );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\t\t};\n\t}\n}\n","import baseSlice from './_baseSlice.js';\n\n/**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\nfunction castSlice(array, start, end) {\n  var length = array.length;\n  end = end === undefined ? length : end;\n  return (!start && end >= length) ? array : baseSlice(array, start, end);\n}\n\nexport default castSlice;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n    rsComboMarksRange = '\\\\u0300-\\\\u036f',\n    reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n    rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n    rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsZWJ = '\\\\u200d';\n\n/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\nvar reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n/**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\nfunction hasUnicode(string) {\n  return reHasUnicode.test(string);\n}\n\nexport default hasUnicode;\n","/**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction asciiToArray(string) {\n  return string.split('');\n}\n\nexport default asciiToArray;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n    rsComboMarksRange = '\\\\u0300-\\\\u036f',\n    reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n    rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n    rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n    rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsAstral = '[' + rsAstralRange + ']',\n    rsCombo = '[' + rsComboRange + ']',\n    rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n    rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n    rsNonAstral = '[^' + rsAstralRange + ']',\n    rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n    rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n    rsZWJ = '\\\\u200d';\n\n/** Used to compose unicode regexes. */\nvar reOptMod = rsModifier + '?',\n    rsOptVar = '[' + rsVarRange + ']?',\n    rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n    rsSeq = rsOptVar + reOptMod + rsOptJoin,\n    rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\nvar reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n/**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction unicodeToArray(string) {\n  return string.match(reUnicode) || [];\n}\n\nexport default unicodeToArray;\n","import asciiToArray from './_asciiToArray.js';\nimport hasUnicode from './_hasUnicode.js';\nimport unicodeToArray from './_unicodeToArray.js';\n\n/**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction stringToArray(string) {\n  return hasUnicode(string)\n    ? unicodeToArray(string)\n    : asciiToArray(string);\n}\n\nexport default stringToArray;\n","import createCaseFirst from './_createCaseFirst.js';\n\n/**\n * Converts the first character of `string` to upper case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.upperFirst('fred');\n * // => 'Fred'\n *\n * _.upperFirst('FRED');\n * // => 'FRED'\n */\nvar upperFirst = createCaseFirst('toUpperCase');\n\nexport default upperFirst;\n","import castSlice from './_castSlice.js';\nimport hasUnicode from './_hasUnicode.js';\nimport stringToArray from './_stringToArray.js';\nimport toString from './toString.js';\n\n/**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\nfunction createCaseFirst(methodName) {\n  return function(string) {\n    string = toString(string);\n\n    var strSymbols = hasUnicode(string)\n      ? stringToArray(string)\n      : undefined;\n\n    var chr = strSymbols\n      ? strSymbols[0]\n      : string.charAt(0);\n\n    var trailing = strSymbols\n      ? castSlice(strSymbols, 1).join('')\n      : string.slice(1);\n\n    return chr[methodName]() + trailing;\n  };\n}\n\nexport default createCaseFirst;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/utils\n */\n\n/* global window */\n\nimport { upperFirst } from 'lodash-es';\n\nconst ATTRIBUTE_WHITESPACES = /[\\u0000-\\u0020\\u00A0\\u1680\\u180E\\u2000-\\u2029\\u205f\\u3000]/g; // eslint-disable-line no-control-regex\nconst SAFE_URL = /^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;\n\n// Simplified email test - should be run over previously found URL.\nconst EMAIL_REG_EXP = /^[\\S]+@((?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.))+(?:[a-z\\u00a1-\\uffff]{2,})$/i;\n\n// The regex checks for the protocol syntax ('xxxx://' or 'xxxx:')\n// or non-word characters at the beginning of the link ('/', '#' etc.).\nconst PROTOCOL_REG_EXP = /^((\\w+:(\\/{2,})?)|(\\W))/i;\n\n/**\n * A keystroke used by the {@link module:link/linkui~LinkUI link UI feature}.\n */\nexport const LINK_KEYSTROKE = 'Ctrl+K';\n\n/**\n * Returns `true` if a given view node is the link element.\n *\n * @param {module:engine/view/node~Node} node\n * @returns {Boolean}\n */\nexport function isLinkElement( node ) {\n\treturn node.is( 'attributeElement' ) && !!node.getCustomProperty( 'link' );\n}\n\n/**\n * Creates a link {@link module:engine/view/attributeelement~AttributeElement} with the provided `href` attribute.\n *\n * @param {String} href\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n * @returns {module:engine/view/attributeelement~AttributeElement}\n */\nexport function createLinkElement( href, { writer } ) {\n\t// Priority 5 - https://github.com/ckeditor/ckeditor5-link/issues/121.\n\tconst linkElement = writer.createAttributeElement( 'a', { href }, { priority: 5 } );\n\twriter.setCustomProperty( 'link', true, linkElement );\n\n\treturn linkElement;\n}\n\n/**\n * Returns a safe URL based on a given value.\n *\n * A URL is considered safe if it is safe for the user (does not contain any malicious code).\n *\n * If a URL is considered unsafe, a simple `\"#\"` is returned.\n *\n * @protected\n * @param {*} url\n * @returns {String} Safe URL.\n */\nexport function ensureSafeUrl( url ) {\n\turl = String( url );\n\n\treturn isSafeUrl( url ) ? url : '#';\n}\n\n// Checks whether the given URL is safe for the user (does not contain any malicious code).\n//\n// @param {String} url URL to check.\nfunction isSafeUrl( url ) {\n\tconst normalizedUrl = url.replace( ATTRIBUTE_WHITESPACES, '' );\n\n\treturn normalizedUrl.match( SAFE_URL );\n}\n\n/**\n * Returns the {@link module:link/link~LinkConfig#decorators `config.link.decorators`} configuration processed\n * to respect the locale of the editor, i.e. to display the {@link module:link/link~LinkDecoratorManualDefinition label}\n * in the correct language.\n *\n * **Note**: Only the few most commonly used labels are translated automatically. Other labels should be manually\n * translated in the {@link module:link/link~LinkConfig#decorators `config.link.decorators`} configuration.\n *\n * @param {module:utils/locale~Locale#t} t shorthand for {@link module:utils/locale~Locale#t Locale#t}\n * @param {Array.<module:link/link~LinkDecoratorDefinition>} The decorator reference\n * where the label values should be localized.\n * @returns {Array.<module:link/link~LinkDecoratorDefinition>}\n */\nexport function getLocalizedDecorators( t, decorators ) {\n\tconst localizedDecoratorsLabels = {\n\t\t'Open in a new tab': t( 'Open in a new tab' ),\n\t\t'Downloadable': t( 'Downloadable' )\n\t};\n\n\tdecorators.forEach( decorator => {\n\t\tif ( decorator.label && localizedDecoratorsLabels[ decorator.label ] ) {\n\t\t\tdecorator.label = localizedDecoratorsLabels[ decorator.label ];\n\t\t}\n\t\treturn decorator;\n\t} );\n\n\treturn decorators;\n}\n\n/**\n * Converts an object with defined decorators to a normalized array of decorators. The `id` key is added for each decorator and\n * is used as the attribute's name in the model.\n *\n * @param {Object.<String, module:link/link~LinkDecoratorDefinition>} decorators\n * @returns {Array.<module:link/link~LinkDecoratorDefinition>}\n */\nexport function normalizeDecorators( decorators ) {\n\tconst retArray = [];\n\n\tif ( decorators ) {\n\t\tfor ( const [ key, value ] of Object.entries( decorators ) ) {\n\t\t\tconst decorator = Object.assign(\n\t\t\t\t{},\n\t\t\t\tvalue,\n\t\t\t\t{ id: `link${ upperFirst( key ) }` }\n\t\t\t);\n\t\t\tretArray.push( decorator );\n\t\t}\n\t}\n\n\treturn retArray;\n}\n\n/**\n * Returns `true` if the specified `element` can be linked (the element allows the `linkHref` attribute).\n *\n * @params {module:engine/model/element~Element|null} element\n * @params {module:engine/model/schema~Schema} schema\n * @returns {Boolean}\n */\nexport function isLinkableElement( element, schema ) {\n\tif ( !element ) {\n\t\treturn false;\n\t}\n\n\treturn schema.checkAttribute( element.name, 'linkHref' );\n}\n\n/**\n * Returns `true` if the specified `value` is an email.\n *\n * @params {String} value\n * @returns {Boolean}\n */\nexport function isEmail( value ) {\n\treturn EMAIL_REG_EXP.test( value );\n}\n\n/**\n * Adds the protocol prefix to the specified `link` when:\n *\n * * it does not contain it already, and there is a {@link module:link/link~LinkConfig#defaultProtocol `defaultProtocol` }\n * configuration value provided,\n * * or the link is an email address.\n *\n *\n * @params {String} link\n * @params {String} defaultProtocol\n * @returns {Boolean}\n */\nexport function addLinkProtocolIfApplicable( link, defaultProtocol ) {\n\tconst protocol = isEmail( link ) ? 'mailto:' : defaultProtocol;\n\tconst isProtocolNeeded = !!protocol && !PROTOCOL_REG_EXP.test( link );\n\n\treturn link && isProtocolNeeded ? protocol + link : link;\n}\n\n/**\n * Opens the link in a new browser tab.\n *\n * @param {String} link\n */\nexport function openLink( link ) {\n\twindow.open( link, '_blank', 'noopener' );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/linkcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { findAttributeRange } from 'ckeditor5/src/typing';\nimport { Collection, first, toMap } from 'ckeditor5/src/utils';\n\nimport AutomaticDecorators from './utils/automaticdecorators';\nimport { isLinkableElement } from './utils';\n\n/**\n * The link command. It is used by the {@link module:link/link~Link link feature}.\n *\n * @extends module:core/command~Command\n */\nexport default class LinkCommand extends Command {\n\t/**\n\t * The value of the `'linkHref'` attribute if the start of the selection is located in a node with this attribute.\n\t *\n\t * @observable\n\t * @readonly\n\t * @member {Object|undefined} #value\n\t */\n\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A collection of {@link module:link/utils~ManualDecorator manual decorators}\n\t\t * corresponding to the {@link module:link/link~LinkConfig#decorators decorator configuration}.\n\t\t *\n\t\t * You can consider it a model with states of manual decorators added to the currently selected link.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:utils/collection~Collection}\n\t\t */\n\t\tthis.manualDecorators = new Collection();\n\n\t\t/**\n\t\t * An instance of the helper that ties together all {@link module:link/link~LinkDecoratorAutomaticDefinition}\n\t\t * that are used by the {@glink features/link link} and the {@glink features/images/images-linking linking images} features.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:link/utils~AutomaticDecorators}\n\t\t */\n\t\tthis.automaticDecorators = new AutomaticDecorators();\n\t}\n\n\t/**\n\t * Synchronizes the state of {@link #manualDecorators} with the currently present elements in the model.\n\t */\n\trestoreManualDecoratorStates() {\n\t\tfor ( const manualDecorator of this.manualDecorators ) {\n\t\t\tmanualDecorator.value = this._getDecoratorStateFromModel( manualDecorator.id );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst selectedElement = selection.getSelectedElement() || first( selection.getSelectedBlocks() );\n\n\t\t// A check for any integration that allows linking elements (e.g. `LinkImage`).\n\t\t// Currently the selection reads attributes from text nodes only. See #7429 and #7465.\n\t\tif ( isLinkableElement( selectedElement, model.schema ) ) {\n\t\t\tthis.value = selectedElement.getAttribute( 'linkHref' );\n\t\t\tthis.isEnabled = model.schema.checkAttribute( selectedElement, 'linkHref' );\n\t\t} else {\n\t\t\tthis.value = selection.getAttribute( 'linkHref' );\n\t\t\tthis.isEnabled = model.schema.checkAttributeInSelection( selection, 'linkHref' );\n\t\t}\n\n\t\tfor ( const manualDecorator of this.manualDecorators ) {\n\t\t\tmanualDecorator.value = this._getDecoratorStateFromModel( manualDecorator.id );\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * When the selection is non-collapsed, the `linkHref` attribute will be applied to nodes inside the selection, but only to\n\t * those nodes where the `linkHref` attribute is allowed (disallowed nodes will be omitted).\n\t *\n\t * When the selection is collapsed and is not inside the text with the `linkHref` attribute, a\n\t * new {@link module:engine/model/text~Text text node} with the `linkHref` attribute will be inserted in place of the caret, but\n\t * only if such element is allowed in this place. The `_data` of the inserted text will equal the `href` parameter.\n\t * The selection will be updated to wrap the just inserted text node.\n\t *\n\t * When the selection is collapsed and inside the text with the `linkHref` attribute, the attribute value will be updated.\n\t *\n\t * # Decorators and model attribute management\n\t *\n\t * There is an optional argument to this command that applies or removes model\n\t * {@glink framework/guides/architecture/editing-engine#text-attributes text attributes} brought by\n\t * {@link module:link/utils~ManualDecorator manual link decorators}.\n\t *\n\t * Text attribute names in the model correspond to the entries in the {@link module:link/link~LinkConfig#decorators configuration}.\n\t * For every decorator configured, a model text attribute exists with the \"link\" prefix. For example, a `'linkMyDecorator'` attribute\n\t * corresponds to `'myDecorator'` in the configuration.\n\t *\n\t * To learn more about link decorators, check out the {@link module:link/link~LinkConfig#decorators `config.link.decorators`}\n\t * documentation.\n\t *\n\t * Here is how to manage decorator attributes with the link command:\n\t *\n\t *\t\tconst linkCommand = editor.commands.get( 'link' );\n\t *\n\t *\t\t// Adding a new decorator attribute.\n\t *\t\tlinkCommand.execute( 'http://example.com', {\n\t *\t\t\tlinkIsExternal: true\n\t *\t\t} );\n\t *\n\t *\t\t// Removing a decorator attribute from the selection.\n\t *\t\tlinkCommand.execute( 'http://example.com', {\n\t *\t\t\tlinkIsExternal: false\n\t *\t\t} );\n\t *\n\t *\t\t// Adding multiple decorator attributes at the same time.\n\t *\t\tlinkCommand.execute( 'http://example.com', {\n\t *\t\t\tlinkIsExternal: true,\n\t *\t\t\tlinkIsDownloadable: true,\n\t *\t\t} );\n\t *\n\t *\t\t// Removing and adding decorator attributes at the same time.\n\t *\t\tlinkCommand.execute( 'http://example.com', {\n\t *\t\t\tlinkIsExternal: false,\n\t *\t\t\tlinkFoo: true,\n\t *\t\t\tlinkIsDownloadable: false,\n\t *\t\t} );\n\t *\n\t * **Note**: If the decorator attribute name is not specified, its state remains untouched.\n\t *\n\t * **Note**: {@link module:link/unlinkcommand~UnlinkCommand#execute `UnlinkCommand#execute()`} removes all\n\t * decorator attributes.\n\t *\n\t * @fires execute\n\t * @param {String} href Link destination.\n\t * @param {Object} [manualDecoratorIds={}] The information about manual decorator attributes to be applied or removed upon execution.\n\t */\n\texecute( href, manualDecoratorIds = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\t// Stores information about manual decorators to turn them on/off when command is applied.\n\t\tconst truthyManualDecorators = [];\n\t\tconst falsyManualDecorators = [];\n\n\t\tfor ( const name in manualDecoratorIds ) {\n\t\t\tif ( manualDecoratorIds[ name ] ) {\n\t\t\t\ttruthyManualDecorators.push( name );\n\t\t\t} else {\n\t\t\t\tfalsyManualDecorators.push( name );\n\t\t\t}\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\t// If selection is collapsed then update selected link or insert new one at the place of caret.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\tconst position = selection.getFirstPosition();\n\n\t\t\t\t// When selection is inside text with `linkHref` attribute.\n\t\t\t\tif ( selection.hasAttribute( 'linkHref' ) ) {\n\t\t\t\t\t// Then update `linkHref` value.\n\t\t\t\t\tconst linkRange = findAttributeRange( position, 'linkHref', selection.getAttribute( 'linkHref' ), model );\n\n\t\t\t\t\twriter.setAttribute( 'linkHref', href, linkRange );\n\n\t\t\t\t\ttruthyManualDecorators.forEach( item => {\n\t\t\t\t\t\twriter.setAttribute( item, true, linkRange );\n\t\t\t\t\t} );\n\n\t\t\t\t\tfalsyManualDecorators.forEach( item => {\n\t\t\t\t\t\twriter.removeAttribute( item, linkRange );\n\t\t\t\t\t} );\n\n\t\t\t\t\t// Put the selection at the end of the updated link.\n\t\t\t\t\twriter.setSelection( writer.createPositionAfter( linkRange.end.nodeBefore ) );\n\t\t\t\t}\n\t\t\t\t// If not then insert text node with `linkHref` attribute in place of caret.\n\t\t\t\t// However, since selection is collapsed, attribute value will be used as data for text node.\n\t\t\t\t// So, if `href` is empty, do not create text node.\n\t\t\t\telse if ( href !== '' ) {\n\t\t\t\t\tconst attributes = toMap( selection.getAttributes() );\n\n\t\t\t\t\tattributes.set( 'linkHref', href );\n\n\t\t\t\t\ttruthyManualDecorators.forEach( item => {\n\t\t\t\t\t\tattributes.set( item, true );\n\t\t\t\t\t} );\n\n\t\t\t\t\tconst { end: positionAfter } = model.insertContent( writer.createText( href, attributes ), position );\n\n\t\t\t\t\t// Put the selection at the end of the inserted link.\n\t\t\t\t\t// Using end of range returned from insertContent in case nodes with the same attributes got merged.\n\t\t\t\t\twriter.setSelection( positionAfter );\n\t\t\t\t}\n\n\t\t\t\t// Remove the `linkHref` attribute and all link decorators from the selection.\n\t\t\t\t// It stops adding a new content into the link element.\n\t\t\t\t[ 'linkHref', ...truthyManualDecorators, ...falsyManualDecorators ].forEach( item => {\n\t\t\t\t\twriter.removeSelectionAttribute( item );\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\t// If selection has non-collapsed ranges, we change attribute on nodes inside those ranges\n\t\t\t\t// omitting nodes where the `linkHref` attribute is disallowed.\n\t\t\t\tconst ranges = model.schema.getValidRanges( selection.getRanges(), 'linkHref' );\n\n\t\t\t\t// But for the first, check whether the `linkHref` attribute is allowed on selected blocks (e.g. the \"image\" element).\n\t\t\t\tconst allowedRanges = [];\n\n\t\t\t\tfor ( const element of selection.getSelectedBlocks() ) {\n\t\t\t\t\tif ( model.schema.checkAttribute( element, 'linkHref' ) ) {\n\t\t\t\t\t\tallowedRanges.push( writer.createRangeOn( element ) );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Ranges that accept the `linkHref` attribute. Since we will iterate over `allowedRanges`, let's clone it.\n\t\t\t\tconst rangesToUpdate = allowedRanges.slice();\n\n\t\t\t\t// For all selection ranges we want to check whether given range is inside an element that accepts the `linkHref` attribute.\n\t\t\t\t// If so, we don't want to propagate applying the attribute to its children.\n\t\t\t\tfor ( const range of ranges ) {\n\t\t\t\t\tif ( this._isRangeToUpdate( range, allowedRanges ) ) {\n\t\t\t\t\t\trangesToUpdate.push( range );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tfor ( const range of rangesToUpdate ) {\n\t\t\t\t\twriter.setAttribute( 'linkHref', href, range );\n\n\t\t\t\t\ttruthyManualDecorators.forEach( item => {\n\t\t\t\t\t\twriter.setAttribute( item, true, range );\n\t\t\t\t\t} );\n\n\t\t\t\t\tfalsyManualDecorators.forEach( item => {\n\t\t\t\t\t\twriter.removeAttribute( item, range );\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Provides information whether a decorator with a given name is present in the currently processed selection.\n\t *\n\t * @private\n\t * @param {String} decoratorName The name of the manual decorator used in the model\n\t * @returns {Boolean} The information whether a given decorator is currently present in the selection.\n\t */\n\t_getDecoratorStateFromModel( decoratorName ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\t// A check for the `LinkImage` plugin. If the selection contains an element, get values from the element.\n\t\t// Currently the selection reads attributes from text nodes only. See #7429 and #7465.\n\t\tif ( isLinkableElement( selectedElement, model.schema ) ) {\n\t\t\treturn selectedElement.getAttribute( decoratorName );\n\t\t}\n\n\t\treturn selection.getAttribute( decoratorName );\n\t}\n\n\t/**\n\t * Checks whether specified `range` is inside an element that accepts the `linkHref` attribute.\n\t *\n\t * @private\n\t * @param {module:engine/view/range~Range} range A range to check.\n\t * @param {Array.<module:engine/view/range~Range>} allowedRanges An array of ranges created on elements where the attribute is accepted.\n\t * @returns {Boolean}\n\t */\n\t_isRangeToUpdate( range, allowedRanges ) {\n\t\tfor ( const allowedRange of allowedRanges ) {\n\t\t\t// A range is inside an element that will have the `linkHref` attribute. Do not modify its nodes.\n\t\t\tif ( allowedRange.containsRange( range ) ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/unlinkcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { findAttributeRange } from 'ckeditor5/src/typing';\n\nimport { isLinkableElement } from './utils';\n\n/**\n * The unlink command. It is used by the {@link module:link/link~Link link plugin}.\n *\n * @extends module:core/command~Command\n */\nexport default class UnlinkCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\t// A check for any integration that allows linking elements (e.g. `LinkImage`).\n\t\t// Currently the selection reads attributes from text nodes only. See #7429 and #7465.\n\t\tif ( isLinkableElement( selectedElement, model.schema ) ) {\n\t\t\tthis.isEnabled = model.schema.checkAttribute( selectedElement, 'linkHref' );\n\t\t} else {\n\t\t\tthis.isEnabled = model.schema.checkAttributeInSelection( selection, 'linkHref' );\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * When the selection is collapsed, it removes the `linkHref` attribute from each node with the same `linkHref` attribute value.\n\t * When the selection is non-collapsed, it removes the `linkHref` attribute from each node in selected ranges.\n\t *\n\t * # Decorators\n\t *\n\t * If {@link module:link/link~LinkConfig#decorators `config.link.decorators`} is specified,\n\t * all configured decorators are removed together with the `linkHref` attribute.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\n\t\tmodel.change( writer => {\n\t\t\t// Get ranges to unlink.\n\t\t\tconst rangesToUnlink = selection.isCollapsed ?\n\t\t\t\t[ findAttributeRange(\n\t\t\t\t\tselection.getFirstPosition(),\n\t\t\t\t\t'linkHref',\n\t\t\t\t\tselection.getAttribute( 'linkHref' ),\n\t\t\t\t\tmodel\n\t\t\t\t) ] :\n\t\t\t\tmodel.schema.getValidRanges( selection.getRanges(), 'linkHref' );\n\n\t\t\t// Remove `linkHref` attribute from specified ranges.\n\t\t\tfor ( const range of rangesToUnlink ) {\n\t\t\t\twriter.removeAttribute( 'linkHref', range );\n\t\t\t\t// If there are registered custom attributes, then remove them during unlink.\n\t\t\t\tif ( linkCommand ) {\n\t\t\t\t\tfor ( const manualDecorator of linkCommand.manualDecorators ) {\n\t\t\t\t\t\twriter.removeAttribute( manualDecorator.id, range );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/utils\n */\n\nimport { ObservableMixin, mix } from 'ckeditor5/src/utils';\n\n/**\n * Helper class that stores manual decorators with observable {@link module:link/utils~ManualDecorator#value}\n * to support integration with the UI state. An instance of this class is a model with the state of individual manual decorators.\n * These decorators are kept as collections in {@link module:link/linkcommand~LinkCommand#manualDecorators}.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n */\nexport default class ManualDecorator {\n\t/**\n\t * Creates a new instance of {@link module:link/utils~ManualDecorator}.\n\t *\n\t * @param {Object} config\n\t * @param {String} config.id The name of the attribute used in the model that represents a given manual decorator.\n\t * For example: `'linkIsExternal'`.\n\t * @param {String} config.label The label used in the user interface to toggle the manual decorator.\n\t * @param {Object} config.attributes A set of attributes added to output data when the decorator is active for a specific link.\n\t * Attributes should keep the format of attributes defined in {@link module:engine/view/elementdefinition~ElementDefinition}.\n\t * @param {Boolean} [config.defaultValue] Controls whether the decorator is \"on\" by default.\n\t */\n\tconstructor( { id, label, attributes, classes, styles, defaultValue } ) {\n\t\t/**\n\t\t * An ID of a manual decorator which is the name of the attribute in the model, for example: 'linkManualDecorator0'.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.id = id;\n\n\t\t/**\n\t\t * The value of the current manual decorator. It reflects its state from the UI.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} module:link/utils~ManualDecorator#value\n\t\t */\n\t\tthis.set( 'value' );\n\n\t\t/**\n\t\t * The default value of manual decorator.\n\t\t *\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis.defaultValue = defaultValue;\n\n\t\t/**\n\t\t * The label used in the user interface to toggle the manual decorator.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.label = label;\n\n\t\t/**\n\t\t * A set of attributes added to downcasted data when the decorator is activated for a specific link.\n\t\t * Attributes should be added in a form of attributes defined in {@link module:engine/view/elementdefinition~ElementDefinition}.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.attributes = attributes;\n\n\t\t/**\n\t\t * A set of classes added to downcasted data when the decorator is activated for a specific link.\n\t\t * Classes should be added in a form of classes defined in {@link module:engine/view/elementdefinition~ElementDefinition}.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.classes = classes;\n\n\t\t/**\n\t\t * A set of styles added to downcasted data when the decorator is activated for a specific link.\n\t\t * Styles should be added in a form of styles defined in {@link module:engine/view/elementdefinition~ElementDefinition}.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.styles = styles;\n\t}\n\n\t/**\n\t * Returns {@link module:engine/view/matcher~MatcherPattern} with decorator attributes.\n\t *\n\t * @protected\n\t * @returns {module:engine/view/matcher~MatcherPattern}\n\t */\n\t_createPattern() {\n\t\treturn {\n\t\t\tattributes: this.attributes,\n\t\t\tclasses: this.classes,\n\t\t\tstyles: this.styles\n\t\t};\n\t}\n}\n\nmix( ManualDecorator, ObservableMixin );\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./link.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./link.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/linkediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { MouseObserver } from 'ckeditor5/src/engine';\nimport { Input, TwoStepCaretMovement, inlineHighlight, findAttributeRange } from 'ckeditor5/src/typing';\nimport { ClipboardPipeline } from 'ckeditor5/src/clipboard';\nimport { keyCodes, env } from 'ckeditor5/src/utils';\n\nimport LinkCommand from './linkcommand';\nimport UnlinkCommand from './unlinkcommand';\nimport ManualDecorator from './utils/manualdecorator';\nimport { createLinkElement, ensureSafeUrl, getLocalizedDecorators, normalizeDecorators, openLink } from './utils';\n\nimport '../theme/link.css';\n\nconst HIGHLIGHT_CLASS = 'ck-link_selected';\nconst DECORATOR_AUTOMATIC = 'automatic';\nconst DECORATOR_MANUAL = 'manual';\nconst EXTERNAL_LINKS_REGEXP = /^(https?:)?\\/\\//;\n\n/**\n * The link engine feature.\n *\n * It introduces the `linkHref=\"url\"` attribute in the model which renders to the view as a `<a href=\"url\">` element\n * as well as `'link'` and `'unlink'` commands.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class LinkEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'LinkEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\t// Clipboard is required for handling cut and paste events while typing over the link.\n\t\treturn [ TwoStepCaretMovement, Input, ClipboardPipeline ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'link', {\n\t\t\taddTargetToExternalLinks: false\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Allow link attribute on all inline nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: 'linkHref' } );\n\n\t\teditor.conversion.for( 'dataDowncast' )\n\t\t\t.attributeToElement( { model: 'linkHref', view: createLinkElement } );\n\n\t\teditor.conversion.for( 'editingDowncast' )\n\t\t\t.attributeToElement( { model: 'linkHref', view: ( href, conversionApi ) => {\n\t\t\t\treturn createLinkElement( ensureSafeUrl( href ), conversionApi );\n\t\t\t} } );\n\n\t\teditor.conversion.for( 'upcast' )\n\t\t\t.elementToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'a',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\thref: true\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\tmodel: {\n\t\t\t\t\tkey: 'linkHref',\n\t\t\t\t\tvalue: viewElement => viewElement.getAttribute( 'href' )\n\t\t\t\t}\n\t\t\t} );\n\n\t\t// Create linking commands.\n\t\teditor.commands.add( 'link', new LinkCommand( editor ) );\n\t\teditor.commands.add( 'unlink', new UnlinkCommand( editor ) );\n\n\t\tconst linkDecorators = getLocalizedDecorators( editor.t, normalizeDecorators( editor.config.get( 'link.decorators' ) ) );\n\n\t\tthis._enableAutomaticDecorators( linkDecorators.filter( item => item.mode === DECORATOR_AUTOMATIC ) );\n\t\tthis._enableManualDecorators( linkDecorators.filter( item => item.mode === DECORATOR_MANUAL ) );\n\n\t\t// Enable two-step caret movement for `linkHref` attribute.\n\t\tconst twoStepCaretMovementPlugin = editor.plugins.get( TwoStepCaretMovement );\n\t\ttwoStepCaretMovementPlugin.registerAttribute( 'linkHref' );\n\n\t\t// Setup highlight over selected link.\n\t\tinlineHighlight( editor, 'linkHref', 'a', HIGHLIGHT_CLASS );\n\n\t\t// Handle link following by CTRL+click or ALT+ENTER\n\t\tthis._enableLinkOpen();\n\n\t\t// Change the attributes of the selection in certain situations after the link was inserted into the document.\n\t\tthis._enableInsertContentSelectionAttributesFixer();\n\n\t\t// Handle a click at the beginning/end of a link element.\n\t\tthis._enableClickingAfterLink();\n\n\t\t// Handle typing over the link.\n\t\tthis._enableTypingOverLink();\n\n\t\t// Handle removing the content after the link element.\n\t\tthis._handleDeleteContentAfterLink();\n\t}\n\n\t/**\n\t * Processes an array of configured {@link module:link/link~LinkDecoratorAutomaticDefinition automatic decorators}\n\t * and registers a {@link module:engine/conversion/downcastdispatcher~DowncastDispatcher downcast dispatcher}\n\t * for each one of them. Downcast dispatchers are obtained using the\n\t * {@link module:link/utils~AutomaticDecorators#getDispatcher} method.\n\t *\n\t * **Note**: This method also activates the automatic external link decorator if enabled with\n\t * {@link module:link/link~LinkConfig#addTargetToExternalLinks `config.link.addTargetToExternalLinks`}.\n\t *\n\t * @private\n\t * @param {Array.<module:link/link~LinkDecoratorAutomaticDefinition>} automaticDecoratorDefinitions\n\t */\n\t_enableAutomaticDecorators( automaticDecoratorDefinitions ) {\n\t\tconst editor = this.editor;\n\t\t// Store automatic decorators in the command instance as we do the same with manual decorators.\n\t\t// Thanks to that, `LinkImageEditing` plugin can re-use the same definitions.\n\t\tconst command = editor.commands.get( 'link' );\n\t\tconst automaticDecorators = command.automaticDecorators;\n\n\t\t// Adds a default decorator for external links.\n\t\tif ( editor.config.get( 'link.addTargetToExternalLinks' ) ) {\n\t\t\tautomaticDecorators.add( {\n\t\t\t\tid: 'linkIsExternal',\n\t\t\t\tmode: DECORATOR_AUTOMATIC,\n\t\t\t\tcallback: url => EXTERNAL_LINKS_REGEXP.test( url ),\n\t\t\t\tattributes: {\n\t\t\t\t\ttarget: '_blank',\n\t\t\t\t\trel: 'noopener noreferrer'\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\n\t\tautomaticDecorators.add( automaticDecoratorDefinitions );\n\n\t\tif ( automaticDecorators.length ) {\n\t\t\teditor.conversion.for( 'downcast' ).add( automaticDecorators.getDispatcher() );\n\t\t}\n\t}\n\n\t/**\n\t * Processes an array of configured {@link module:link/link~LinkDecoratorManualDefinition manual decorators},\n\t * transforms them into {@link module:link/utils~ManualDecorator} instances and stores them in the\n\t * {@link module:link/linkcommand~LinkCommand#manualDecorators} collection (a model for manual decorators state).\n\t *\n\t * Also registers an {@link module:engine/conversion/downcasthelpers~DowncastHelpers#attributeToElement attribute-to-element}\n\t * converter for each manual decorator and extends the {@link module:engine/model/schema~Schema model's schema}\n\t * with adequate model attributes.\n\t *\n\t * @private\n\t * @param {Array.<module:link/link~LinkDecoratorManualDefinition>} manualDecoratorDefinitions\n\t */\n\t_enableManualDecorators( manualDecoratorDefinitions ) {\n\t\tif ( !manualDecoratorDefinitions.length ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\t\tconst command = editor.commands.get( 'link' );\n\t\tconst manualDecorators = command.manualDecorators;\n\n\t\tmanualDecoratorDefinitions.forEach( decorator => {\n\t\t\teditor.model.schema.extend( '$text', { allowAttributes: decorator.id } );\n\n\t\t\t// Keeps reference to manual decorator to decode its name to attributes during downcast.\n\t\t\tdecorator = new ManualDecorator( decorator );\n\n\t\t\tmanualDecorators.add( decorator );\n\n\t\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t\t\t\tmodel: decorator.id,\n\t\t\t\tview: ( manualDecoratorName, { writer } ) => {\n\t\t\t\t\tif ( manualDecoratorName ) {\n\t\t\t\t\t\tconst element = writer.createAttributeElement( 'a', decorator.attributes, { priority: 5 } );\n\n\t\t\t\t\t\tif ( decorator.classes ) {\n\t\t\t\t\t\t\twriter.addClass( decorator.classes, element );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( const key in decorator.styles ) {\n\t\t\t\t\t\t\twriter.setStyle( key, decorator.styles[ key ], element );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\twriter.setCustomProperty( 'link', true, element );\n\n\t\t\t\t\t\treturn element;\n\t\t\t\t\t}\n\t\t\t\t} } );\n\n\t\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: 'a',\n\t\t\t\t\t...decorator._createPattern()\n\t\t\t\t},\n\t\t\t\tmodel: {\n\t\t\t\t\tkey: decorator.id\n\t\t\t\t}\n\t\t\t} );\n\t\t} );\n\t}\n\n\t/**\n\t * Attaches handlers for {@link module:engine/view/document~Document#event:enter} and\n\t * {@link module:engine/view/document~Document#event:click} to enable link following.\n\t *\n\t * @private\n\t */\n\t_enableLinkOpen() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tconst modelDocument = editor.model.document;\n\n\t\tthis.listenTo( viewDocument, 'click', ( evt, data ) => {\n\t\t\tconst shouldOpen = env.isMac ? data.domEvent.metaKey : data.domEvent.ctrlKey;\n\n\t\t\tif ( !shouldOpen ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tlet clickedElement = data.domTarget;\n\n\t\t\tif ( clickedElement.tagName.toLowerCase() != 'a' ) {\n\t\t\t\tclickedElement = clickedElement.closest( 'a' );\n\t\t\t}\n\n\t\t\tif ( !clickedElement ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst url = clickedElement.getAttribute( 'href' );\n\n\t\t\tif ( !url ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tevt.stop();\n\t\t\tdata.preventDefault();\n\n\t\t\topenLink( url );\n\t\t}, { context: '$capture' } );\n\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tconst selection = modelDocument.selection;\n\n\t\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\t\tconst url = selectedElement ?\n\t\t\t\tselectedElement.getAttribute( 'linkHref' ) :\n\t\t\t\tselection.getAttribute( 'linkHref' );\n\n\t\t\tconst shouldOpen = url && data.domEvent.altKey;\n\n\t\t\tif ( !shouldOpen ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tevt.stop();\n\n\t\t\topenLink( url );\n\t\t}, { context: 'a' } );\n\t}\n\n\t/**\n\t * Starts listening to {@link module:engine/model/model~Model#event:insertContent} and corrects the model\n\t * selection attributes if the selection is at the end of a link after inserting the content.\n\t *\n\t * The purpose of this action is to improve the overall UX because the user is no longer \"trapped\" by the\n\t * `linkHref` attribute of the selection and they can type a \"clean\" (`linkHref`–less) text right away.\n\t *\n\t * See https://github.com/ckeditor/ckeditor5/issues/6053.\n\t *\n\t * @private\n\t */\n\t_enableInsertContentSelectionAttributesFixer() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst selection = model.document.selection;\n\n\t\tthis.listenTo( model, 'insertContent', () => {\n\t\t\tconst nodeBefore = selection.anchor.nodeBefore;\n\t\t\tconst nodeAfter = selection.anchor.nodeAfter;\n\n\t\t\t// NOTE: ↰ and ↱ represent the gravity of the selection.\n\n\t\t\t// The only truly valid case is:\n\t\t\t//\n\t\t\t//\t\t                                 ↰\n\t\t\t//\t\t...<$text linkHref=\"foo\">INSERTED[]</$text>\n\t\t\t//\n\t\t\t// If the selection is not \"trapped\" by the `linkHref` attribute after inserting, there's nothing\n\t\t\t// to fix there.\n\t\t\tif ( !selection.hasAttribute( 'linkHref' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Filter out the following case where a link with the same href (e.g. <a href=\"foo\">INSERTED</a>) is inserted\n\t\t\t// in the middle of an existing link:\n\t\t\t//\n\t\t\t// Before insertion:\n\t\t\t//\t\t                       ↰\n\t\t\t//\t\t<$text linkHref=\"foo\">l[]ink</$text>\n\t\t\t//\n\t\t\t// Expected after insertion:\n\t\t\t//\t\t                               ↰\n\t\t\t//\t\t<$text linkHref=\"foo\">lINSERTED[]ink</$text>\n\t\t\t//\n\t\t\tif ( !nodeBefore ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Filter out the following case where the selection has the \"linkHref\" attribute because the\n\t\t\t// gravity is overridden and some text with another attribute (e.g. <b>INSERTED</b>) is inserted:\n\t\t\t//\n\t\t\t// Before insertion:\n\t\t\t//\n\t\t\t//\t\t                       ↱\n\t\t\t//\t\t<$text linkHref=\"foo\">[]link</$text>\n\t\t\t//\n\t\t\t// Expected after insertion:\n\t\t\t//\n\t\t\t//\t\t                                                          ↱\n\t\t\t//\t\t<$text bold=\"true\">INSERTED</$text><$text linkHref=\"foo\">[]link</$text>\n\t\t\t//\n\t\t\tif ( !nodeBefore.hasAttribute( 'linkHref' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Filter out the following case where a link is a inserted in the middle (or before) another link\n\t\t\t// (different URLs, so they will not merge). In this (let's say weird) case, we can leave the selection\n\t\t\t// attributes as they are because the user will end up writing in one link or another anyway.\n\t\t\t//\n\t\t\t// Before insertion:\n\t\t\t//\n\t\t\t//\t\t                       ↰\n\t\t\t//\t\t<$text linkHref=\"foo\">l[]ink</$text>\n\t\t\t//\n\t\t\t// Expected after insertion:\n\t\t\t//\n\t\t\t//\t\t                                                             ↰\n\t\t\t//\t\t<$text linkHref=\"foo\">l</$text><$text linkHref=\"bar\">INSERTED[]</$text><$text linkHref=\"foo\">ink</$text>\n\t\t\t//\n\t\t\tif ( nodeAfter && nodeAfter.hasAttribute( 'linkHref' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tmodel.change( writer => {\n\t\t\t\tremoveLinkAttributesFromSelection( writer, getLinkAttributesAllowedOnText( model.schema ) );\n\t\t\t} );\n\t\t}, { priority: 'low' } );\n\t}\n\n\t/**\n\t * Starts listening to {@link module:engine/view/document~Document#event:mousedown} and\n\t * {@link module:engine/view/document~Document#event:selectionChange} and puts the selection before/after a link node\n\t * if clicked at the beginning/ending of the link.\n\t *\n\t * The purpose of this action is to allow typing around the link node directly after a click.\n\t *\n\t * See https://github.com/ckeditor/ckeditor5/issues/1016.\n\t *\n\t * @private\n\t */\n\t_enableClickingAfterLink() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\teditor.editing.view.addObserver( MouseObserver );\n\n\t\tlet clicked = false;\n\n\t\t// Detect the click.\n\t\tthis.listenTo( editor.editing.view.document, 'mousedown', () => {\n\t\t\tclicked = true;\n\t\t} );\n\n\t\t// When the selection has changed...\n\t\tthis.listenTo( editor.editing.view.document, 'selectionChange', () => {\n\t\t\tif ( !clicked ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// ...and it was caused by the click...\n\t\t\tclicked = false;\n\n\t\t\tconst selection = model.document.selection;\n\n\t\t\t// ...and no text is selected...\n\t\t\tif ( !selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// ...and clicked text is the link...\n\t\t\tif ( !selection.hasAttribute( 'linkHref' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst position = selection.getFirstPosition();\n\t\t\tconst linkRange = findAttributeRange( position, 'linkHref', selection.getAttribute( 'linkHref' ), model );\n\n\t\t\t// ...check whether clicked start/end boundary of the link.\n\t\t\t// If so, remove the `linkHref` attribute.\n\t\t\tif ( position.isTouching( linkRange.start ) || position.isTouching( linkRange.end ) ) {\n\t\t\t\tmodel.change( writer => {\n\t\t\t\t\tremoveLinkAttributesFromSelection( writer, getLinkAttributesAllowedOnText( model.schema ) );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Starts listening to {@link module:engine/model/model~Model#deleteContent} and {@link module:engine/model/model~Model#insertContent}\n\t * and checks whether typing over the link. If so, attributes of removed text are preserved and applied to the inserted text.\n\t *\n\t * The purpose of this action is to allow modifying a text without loosing the `linkHref` attribute (and other).\n\t *\n\t * See https://github.com/ckeditor/ckeditor5/issues/4762.\n\t *\n\t * @private\n\t */\n\t_enableTypingOverLink() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\n\t\t// Selection attributes when started typing over the link.\n\t\tlet selectionAttributes;\n\n\t\t// Whether pressed `Backspace` or `Delete`. If so, attributes should not be preserved.\n\t\tlet deletedContent;\n\n\t\t// Detect pressing `Backspace` / `Delete`.\n\t\tthis.listenTo( view.document, 'delete', () => {\n\t\t\tdeletedContent = true;\n\t\t}, { priority: 'high' } );\n\n\t\t// Listening to `model#deleteContent` allows detecting whether selected content was a link.\n\t\t// If so, before removing the element, we will copy its attributes.\n\t\tthis.listenTo( editor.model, 'deleteContent', () => {\n\t\t\tconst selection = editor.model.document.selection;\n\n\t\t\t// Copy attributes only if anything is selected.\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// When the content was deleted, do not preserve attributes.\n\t\t\tif ( deletedContent ) {\n\t\t\t\tdeletedContent = false;\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Enabled only when typing.\n\t\t\tif ( !isTyping( editor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( shouldCopyAttributes( editor.model ) ) {\n\t\t\t\tselectionAttributes = selection.getAttributes();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\t// Listening to `model#insertContent` allows detecting the content insertion.\n\t\t// We want to apply attributes that were removed while typing over the link.\n\t\tthis.listenTo( editor.model, 'insertContent', ( evt, [ element ] ) => {\n\t\t\tdeletedContent = false;\n\n\t\t\t// Enabled only when typing.\n\t\t\tif ( !isTyping( editor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !selectionAttributes ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\teditor.model.change( writer => {\n\t\t\t\tfor ( const [ attribute, value ] of selectionAttributes ) {\n\t\t\t\t\twriter.setAttribute( attribute, value, element );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tselectionAttributes = null;\n\t\t}, { priority: 'high' } );\n\t}\n\n\t/**\n\t * Starts listening to {@link module:engine/model/model~Model#deleteContent} and checks whether\n\t * removing a content right after the \"linkHref\" attribute.\n\t *\n\t * If so, the selection should not preserve the `linkHref` attribute. However, if\n\t * the {@link module:typing/twostepcaretmovement~TwoStepCaretMovement} plugin is active and\n\t * the selection has the \"linkHref\" attribute due to overriden gravity (at the end), the `linkHref` attribute should stay untouched.\n\t *\n\t * The purpose of this action is to allow removing the link text and keep the selection outside the link.\n\t *\n\t * See https://github.com/ckeditor/ckeditor5/issues/7521.\n\t *\n\t * @private\n\t */\n\t_handleDeleteContentAfterLink() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst view = editor.editing.view;\n\n\t\t// A flag whether attributes `linkHref` attribute should be preserved.\n\t\tlet shouldPreserveAttributes = false;\n\n\t\t// A flag whether the `Backspace` key was pressed.\n\t\tlet hasBackspacePressed = false;\n\n\t\t// Detect pressing `Backspace`.\n\t\tthis.listenTo( view.document, 'delete', ( evt, data ) => {\n\t\t\thasBackspacePressed = data.domEvent.keyCode === keyCodes.backspace;\n\t\t}, { priority: 'high' } );\n\n\t\t// Before removing the content, check whether the selection is inside a link or at the end of link but with 2-SCM enabled.\n\t\t// If so, we want to preserve link attributes.\n\t\tthis.listenTo( model, 'deleteContent', () => {\n\t\t\t// Reset the state.\n\t\t\tshouldPreserveAttributes = false;\n\n\t\t\tconst position = selection.getFirstPosition();\n\t\t\tconst linkHref = selection.getAttribute( 'linkHref' );\n\n\t\t\tif ( !linkHref ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst linkRange = findAttributeRange( position, 'linkHref', linkHref, model );\n\n\t\t\t// Preserve `linkHref` attribute if the selection is in the middle of the link or\n\t\t\t// the selection is at the end of the link and 2-SCM is activated.\n\t\t\tshouldPreserveAttributes = linkRange.containsPosition( position ) || linkRange.end.isEqual( position );\n\t\t}, { priority: 'high' } );\n\n\t\t// After removing the content, check whether the current selection should preserve the `linkHref` attribute.\n\t\tthis.listenTo( model, 'deleteContent', () => {\n\t\t\t// If didn't press `Backspace`.\n\t\t\tif ( !hasBackspacePressed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\thasBackspacePressed = false;\n\n\t\t\t// Disable the mechanism if inside a link (`<$text url=\"foo\">F[]oo</$text>` or <$text url=\"foo\">Foo[]</$text>`).\n\t\t\tif ( shouldPreserveAttributes ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Use `model.enqueueChange()` in order to execute the callback at the end of the changes process.\n\t\t\teditor.model.enqueueChange( writer => {\n\t\t\t\tremoveLinkAttributesFromSelection( writer, getLinkAttributesAllowedOnText( model.schema ) );\n\t\t\t} );\n\t\t}, { priority: 'low' } );\n\t}\n}\n\n// Make the selection free of link-related model attributes.\n// All link-related model attributes start with \"link\". That includes not only \"linkHref\"\n// but also all decorator attributes (they have dynamic names), or even custom plugins.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {Array.<String>} linkAttributes\nfunction removeLinkAttributesFromSelection( writer, linkAttributes ) {\n\twriter.removeSelectionAttribute( 'linkHref' );\n\n\tfor ( const attribute of linkAttributes ) {\n\t\twriter.removeSelectionAttribute( attribute );\n\t}\n}\n\n// Checks whether selection's attributes should be copied to the new inserted text.\n//\n// @param {module:engine/model/model~Model} model\n// @returns {Boolean}\nfunction shouldCopyAttributes( model ) {\n\tconst selection = model.document.selection;\n\tconst firstPosition = selection.getFirstPosition();\n\tconst lastPosition = selection.getLastPosition();\n\tconst nodeAtFirstPosition = firstPosition.nodeAfter;\n\n\t// The text link node does not exist...\n\tif ( !nodeAtFirstPosition ) {\n\t\treturn false;\n\t}\n\n\t// ...or it isn't the text node...\n\tif ( !nodeAtFirstPosition.is( '$text' ) ) {\n\t\treturn false;\n\t}\n\n\t// ...or isn't the link.\n\tif ( !nodeAtFirstPosition.hasAttribute( 'linkHref' ) ) {\n\t\treturn false;\n\t}\n\n\t// `textNode` = the position is inside the link element.\n\t// `nodeBefore` = the position is at the end of the link element.\n\tconst nodeAtLastPosition = lastPosition.textNode || lastPosition.nodeBefore;\n\n\t// If both references the same node selection contains a single text node.\n\tif ( nodeAtFirstPosition === nodeAtLastPosition ) {\n\t\treturn true;\n\t}\n\n\t// If nodes are not equal, maybe the link nodes has defined additional attributes inside.\n\t// First, we need to find the entire link range.\n\tconst linkRange = findAttributeRange( firstPosition, 'linkHref', nodeAtFirstPosition.getAttribute( 'linkHref' ), model );\n\n\t// Then we can check whether selected range is inside the found link range. If so, attributes should be preserved.\n\treturn linkRange.containsRange( model.createRange( firstPosition, lastPosition ), true );\n}\n\n// Checks whether provided changes were caused by typing.\n//\n// @params {module:core/editor/editor~Editor} editor\n// @returns {Boolean}\nfunction isTyping( editor ) {\n\tconst currentBatch = editor.model.change( writer => writer.batch );\n\n\treturn currentBatch.isTyping;\n}\n\n// Returns an array containing names of the attributes allowed on `$text` that describes the link item.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Array.<String>}\nfunction getLinkAttributesAllowedOnText( schema ) {\n\tconst textAttributes = schema.getDefinition( '$text' ).allowAttributes;\n\n\treturn textAttributes.filter( attribute => attribute.startsWith( 'link' ) );\n}\n","\n      import API from \"!../../../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./responsiveform.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../../../css-loader/dist/cjs.js!../../../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./responsiveform.css\";\n       export default content && content.locals ? content.locals : undefined;\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./linkform.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./linkform.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/ui/linkformview\n */\n\nimport {\n\tButtonView,\n\tFocusCycler,\n\tLabeledFieldView,\n\tSwitchButtonView,\n\tView,\n\tViewCollection,\n\tcreateLabeledInputText,\n\tinjectCssTransitionDisabler,\n\tsubmitHandler\n} from 'ckeditor5/src/ui';\nimport { FocusTracker, KeystrokeHandler } from 'ckeditor5/src/utils';\nimport { icons } from 'ckeditor5/src/core';\n\n// See: #8833.\n// eslint-disable-next-line ckeditor5-rules/ckeditor-imports\nimport '@ckeditor/ckeditor5-ui/theme/components/responsive-form/responsiveform.css';\nimport '../../theme/linkform.css';\n\n/**\n * The link form view controller class.\n *\n * See {@link module:link/ui/linkformview~LinkFormView}.\n *\n * @extends module:ui/view~View\n */\nexport default class LinkFormView extends View {\n\t/**\n\t * Creates an instance of the {@link module:link/ui/linkformview~LinkFormView} class.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {module:link/linkcommand~LinkCommand} linkCommand Reference to {@link module:link/linkcommand~LinkCommand}.\n\t * @param {String} [protocol] A value of a protocol to be displayed in the input's placeholder.\n\t */\n\tconstructor( locale, linkCommand ) {\n\t\tsuper( locale );\n\n\t\tconst t = locale.t;\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * The URL input view.\n\t\t *\n\t\t * @member {module:ui/labeledfield/labeledfieldview~LabeledFieldView}\n\t\t */\n\t\tthis.urlInputView = this._createUrlInput();\n\n\t\t/**\n\t\t * The Save button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.saveButtonView = this._createButton( t( 'Save' ), icons.check, 'ck-button-save' );\n\t\tthis.saveButtonView.type = 'submit';\n\n\t\t/**\n\t\t * The Cancel button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.cancelButtonView = this._createButton( t( 'Cancel' ), icons.cancel, 'ck-button-cancel', 'cancel' );\n\n\t\t/**\n\t\t * A collection of {@link module:ui/button/switchbuttonview~SwitchButtonView},\n\t\t * which corresponds to {@link module:link/linkcommand~LinkCommand#manualDecorators manual decorators}\n\t\t * configured in the editor.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._manualDecoratorSwitches = this._createManualDecoratorSwitches( linkCommand );\n\n\t\t/**\n\t\t * A collection of child views in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this._createFormChildren( linkCommand.manualDecorators );\n\n\t\t/**\n\t\t * A collection of views that can be focused in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate form fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate form fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\tconst classList = [ 'ck', 'ck-link-form', 'ck-responsive-form' ];\n\n\t\tif ( linkCommand.manualDecorators.length ) {\n\t\t\tclassList.push( 'ck-link-form_layout-vertical', 'ck-vertical-form' );\n\t\t}\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'form',\n\n\t\t\tattributes: {\n\t\t\t\tclass: classList,\n\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/90\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\n\t\t\tchildren: this.children\n\t\t} );\n\n\t\tinjectCssTransitionDisabler( this );\n\t}\n\n\t/**\n\t * Obtains the state of the {@link module:ui/button/switchbuttonview~SwitchButtonView switch buttons} representing\n\t * {@link module:link/linkcommand~LinkCommand#manualDecorators manual link decorators}\n\t * in the {@link module:link/ui/linkformview~LinkFormView}.\n\t *\n\t * @returns {Object.<String,Boolean>} Key-value pairs, where the key is the name of the decorator and the value is\n\t * its state.\n\t */\n\tgetDecoratorSwitchesState() {\n\t\treturn Array.from( this._manualDecoratorSwitches ).reduce( ( accumulator, switchButton ) => {\n\t\t\taccumulator[ switchButton.name ] = switchButton.isOn;\n\t\t\treturn accumulator;\n\t\t}, {} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tsubmitHandler( {\n\t\t\tview: this\n\t\t} );\n\n\t\tconst childViews = [\n\t\t\tthis.urlInputView,\n\t\t\t...this._manualDecoratorSwitches,\n\t\t\tthis.saveButtonView,\n\t\t\tthis.cancelButtonView\n\t\t];\n\n\t\tchildViews.forEach( v => {\n\t\t\t// Register the view as focusable.\n\t\t\tthis._focusables.add( v );\n\n\t\t\t// Register the view in the focus tracker.\n\t\t\tthis.focusTracker.add( v.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\t}\n\n\t/**\n\t * Focuses the fist {@link #_focusables} in the form.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Creates a labeled input view.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView} Labeled field view instance.\n\t */\n\t_createUrlInput() {\n\t\tconst t = this.locale.t;\n\t\tconst labeledInput = new LabeledFieldView( this.locale, createLabeledInputText );\n\n\t\tlabeledInput.label = t( 'Link URL' );\n\n\t\treturn labeledInput;\n\t}\n\n\t/**\n\t * Creates a button view.\n\t *\n\t * @private\n\t * @param {String} label The button label.\n\t * @param {String} icon The button icon.\n\t * @param {String} className The additional button CSS class name.\n\t * @param {String} [eventName] An event name that the `ButtonView#execute` event will be delegated to.\n\t * @returns {module:ui/button/buttonview~ButtonView} The button view instance.\n\t */\n\t_createButton( label, icon, className, eventName ) {\n\t\tconst button = new ButtonView( this.locale );\n\n\t\tbutton.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\tbutton.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: className\n\t\t\t}\n\t\t} );\n\n\t\tif ( eventName ) {\n\t\t\tbutton.delegate( 'execute' ).to( this, eventName );\n\t\t}\n\n\t\treturn button;\n\t}\n\n\t/**\n\t * Populates {@link module:ui/viewcollection~ViewCollection} of {@link module:ui/button/switchbuttonview~SwitchButtonView}\n\t * made based on {@link module:link/linkcommand~LinkCommand#manualDecorators}.\n\t *\n\t * @private\n\t * @param {module:link/linkcommand~LinkCommand} linkCommand A reference to the link command.\n\t * @returns {module:ui/viewcollection~ViewCollection} of switch buttons.\n\t */\n\t_createManualDecoratorSwitches( linkCommand ) {\n\t\tconst switches = this.createCollection();\n\n\t\tfor ( const manualDecorator of linkCommand.manualDecorators ) {\n\t\t\tconst switchButton = new SwitchButtonView( this.locale );\n\n\t\t\tswitchButton.set( {\n\t\t\t\tname: manualDecorator.id,\n\t\t\t\tlabel: manualDecorator.label,\n\t\t\t\twithText: true\n\t\t\t} );\n\n\t\t\tswitchButton.bind( 'isOn' ).toMany( [ manualDecorator, linkCommand ], 'value', ( decoratorValue, commandValue ) => {\n\t\t\t\treturn commandValue === undefined && decoratorValue === undefined ? manualDecorator.defaultValue : decoratorValue;\n\t\t\t} );\n\n\t\t\tswitchButton.on( 'execute', () => {\n\t\t\t\tmanualDecorator.set( 'value', !switchButton.isOn );\n\t\t\t} );\n\n\t\t\tswitches.add( switchButton );\n\t\t}\n\n\t\treturn switches;\n\t}\n\n\t/**\n\t * Populates the {@link #children} collection of the form.\n\t *\n\t * If {@link module:link/linkcommand~LinkCommand#manualDecorators manual decorators} are configured in the editor, it creates an\n\t * additional `View` wrapping all {@link #_manualDecoratorSwitches} switch buttons corresponding\n\t * to these decorators.\n\t *\n\t * @private\n\t * @param {module:utils/collection~Collection} manualDecorators A reference to\n\t * the collection of manual decorators stored in the link command.\n\t * @returns {module:ui/viewcollection~ViewCollection} The children of link form view.\n\t */\n\t_createFormChildren( manualDecorators ) {\n\t\tconst children = this.createCollection();\n\n\t\tchildren.add( this.urlInputView );\n\n\t\tif ( manualDecorators.length ) {\n\t\t\tconst additionalButtonsView = new View();\n\n\t\t\tadditionalButtonsView.setTemplate( {\n\t\t\t\ttag: 'ul',\n\t\t\t\tchildren: this._manualDecoratorSwitches.map( switchButton => ( {\n\t\t\t\t\ttag: 'li',\n\t\t\t\t\tchildren: [ switchButton ],\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [\n\t\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t\t'ck-list__item'\n\t\t\t\t\t\t]\n\t\t\t\t\t}\n\t\t\t\t} ) ),\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: [\n\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t'ck-reset',\n\t\t\t\t\t\t'ck-list'\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t} );\n\t\t\tchildren.add( additionalButtonsView );\n\t\t}\n\n\t\tchildren.add( this.saveButtonView );\n\t\tchildren.add( this.cancelButtonView );\n\n\t\treturn children;\n\t}\n}\n\n/**\n * Fired when the form view is submitted (when one of the children triggered the submit event),\n * for example with a click on {@link #saveButtonView}.\n *\n * @event submit\n */\n\n/**\n * Fired when the form view is canceled, for example with a click on {@link #cancelButtonView}.\n *\n * @event cancel\n */\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./linkactions.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./linkactions.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/ui/linkactionsview\n */\n\nimport { ButtonView, View, ViewCollection, FocusCycler } from 'ckeditor5/src/ui';\nimport { FocusTracker, KeystrokeHandler } from 'ckeditor5/src/utils';\nimport { icons } from 'ckeditor5/src/core';\n\nimport { ensureSafeUrl } from '../utils';\n\n// See: #8833.\n// eslint-disable-next-line ckeditor5-rules/ckeditor-imports\nimport '@ckeditor/ckeditor5-ui/theme/components/responsive-form/responsiveform.css';\nimport '../../theme/linkactions.css';\n\nimport unlinkIcon from '../../theme/icons/unlink.svg';\n\n/**\n * The link actions view class. This view displays the link preview, allows\n * unlinking or editing the link.\n *\n * @extends module:ui/view~View\n */\nexport default class LinkActionsView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst t = locale.t;\n\n\t\t/**\n\t\t * Tracks information about DOM focus in the actions.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * The href preview view.\n\t\t *\n\t\t * @member {module:ui/view~View}\n\t\t */\n\t\tthis.previewButtonView = this._createPreviewButton();\n\n\t\t/**\n\t\t * The unlink button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.unlinkButtonView = this._createButton( t( 'Unlink' ), unlinkIcon, 'unlink' );\n\n\t\t/**\n\t\t * The edit link button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.editButtonView = this._createButton( t( 'Edit link' ), icons.pencil, 'edit' );\n\n\t\t/**\n\t\t * The value of the \"href\" attribute of the link to use in the {@link #previewButtonView}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String}\n\t\t */\n\t\tthis.set( 'href' );\n\n\t\t/**\n\t\t * A collection of views that can be focused in the view.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the view.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-link-actions',\n\t\t\t\t\t'ck-responsive-form'\n\t\t\t\t],\n\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/90\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\tthis.previewButtonView,\n\t\t\t\tthis.editButtonView,\n\t\t\t\tthis.unlinkButtonView\n\t\t\t]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tconst childViews = [\n\t\t\tthis.previewButtonView,\n\t\t\tthis.editButtonView,\n\t\t\tthis.unlinkButtonView\n\t\t];\n\n\t\tchildViews.forEach( v => {\n\t\t\t// Register the view as focusable.\n\t\t\tthis._focusables.add( v );\n\n\t\t\t// Register the view in the focus tracker.\n\t\t\tthis.focusTracker.add( v.element );\n\t\t} );\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\t}\n\n\t/**\n\t * Focuses the fist {@link #_focusables} in the actions.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Creates a button view.\n\t *\n\t * @private\n\t * @param {String} label The button label.\n\t * @param {String} icon The button icon.\n\t * @param {String} [eventName] An event name that the `ButtonView#execute` event will be delegated to.\n\t * @returns {module:ui/button/buttonview~ButtonView} The button view instance.\n\t */\n\t_createButton( label, icon, eventName ) {\n\t\tconst button = new ButtonView( this.locale );\n\n\t\tbutton.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\tbutton.delegate( 'execute' ).to( this, eventName );\n\n\t\treturn button;\n\t}\n\n\t/**\n\t * Creates a link href preview button.\n\t *\n\t * @private\n\t * @returns {module:ui/button/buttonview~ButtonView} The button view instance.\n\t */\n\t_createPreviewButton() {\n\t\tconst button = new ButtonView( this.locale );\n\t\tconst bind = this.bindTemplate;\n\t\tconst t = this.t;\n\n\t\tbutton.set( {\n\t\t\twithText: true,\n\t\t\ttooltip: t( 'Open link in new tab' )\n\t\t} );\n\n\t\tbutton.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-link-actions__preview'\n\t\t\t\t],\n\t\t\t\thref: bind.to( 'href', href => href && ensureSafeUrl( href ) ),\n\t\t\t\ttarget: '_blank',\n\t\t\t\trel: 'noopener noreferrer'\n\t\t\t}\n\t\t} );\n\n\t\tbutton.bind( 'label' ).to( this, 'href', href => {\n\t\t\treturn href || t( 'This link has no URL' );\n\t\t} );\n\n\t\tbutton.bind( 'isEnabled' ).to( this, 'href', href => !!href );\n\n\t\tbutton.template.tag = 'a';\n\t\tbutton.template.eventListeners = {};\n\n\t\treturn button;\n\t}\n}\n\n/**\n * Fired when the {@link #editButtonView} is clicked.\n *\n * @event edit\n */\n\n/**\n * Fired when the {@link #unlinkButtonView} is clicked.\n *\n * @event unlink\n */\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m11.077 15 .991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m11.077 15 .991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/linkui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ClickObserver } from 'ckeditor5/src/engine';\nimport { ButtonView, ContextualBalloon, clickOutsideHandler } from 'ckeditor5/src/ui';\nimport { isWidget } from 'ckeditor5/src/widget';\nimport LinkFormView from './ui/linkformview';\nimport LinkActionsView from './ui/linkactionsview';\nimport { addLinkProtocolIfApplicable, isLinkElement, LINK_KEYSTROKE } from './utils';\n\nimport linkIcon from '../theme/icons/link.svg';\n\nconst VISUAL_SELECTION_MARKER_NAME = 'link-ui';\n\n/**\n * The link UI plugin. It introduces the `'link'` and `'unlink'` buttons and support for the <kbd>Ctrl+K</kbd> keystroke.\n *\n * It uses the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon plugin}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class LinkUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'LinkUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\teditor.editing.view.addObserver( ClickObserver );\n\n\t\t/**\n\t\t * The actions view displayed inside of the balloon.\n\t\t *\n\t\t * @member {module:link/ui/linkactionsview~LinkActionsView}\n\t\t */\n\t\tthis.actionsView = this._createActionsView();\n\n\t\t/**\n\t\t * The form view displayed inside the balloon.\n\t\t *\n\t\t * @member {module:link/ui/linkformview~LinkFormView}\n\t\t */\n\t\tthis.formView = this._createFormView();\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t// Create toolbar buttons.\n\t\tthis._createToolbarLinkButton();\n\n\t\t// Attach lifecycle actions to the the balloon.\n\t\tthis._enableUserBalloonInteractions();\n\n\t\t// Renders a fake visual selection marker on an expanded selection.\n\t\teditor.conversion.for( 'editingDowncast' ).markerToHighlight( {\n\t\t\tmodel: VISUAL_SELECTION_MARKER_NAME,\n\t\t\tview: {\n\t\t\t\tclasses: [ 'ck-fake-link-selection' ]\n\t\t\t}\n\t\t} );\n\n\t\t// Renders a fake visual selection marker on a collapsed selection.\n\t\teditor.conversion.for( 'editingDowncast' ).markerToElement( {\n\t\t\tmodel: VISUAL_SELECTION_MARKER_NAME,\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tclasses: [ 'ck-fake-link-selection', 'ck-fake-link-selection_collapsed' ]\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed (see ckeditor5#1341).\n\t\tthis.formView.destroy();\n\t}\n\n\t/**\n\t * Creates the {@link module:link/ui/linkactionsview~LinkActionsView} instance.\n\t *\n\t * @private\n\t * @returns {module:link/ui/linkactionsview~LinkActionsView} The link actions view instance.\n\t */\n\t_createActionsView() {\n\t\tconst editor = this.editor;\n\t\tconst actionsView = new LinkActionsView( editor.locale );\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\t\tconst unlinkCommand = editor.commands.get( 'unlink' );\n\n\t\tactionsView.bind( 'href' ).to( linkCommand, 'value' );\n\t\tactionsView.editButtonView.bind( 'isEnabled' ).to( linkCommand );\n\t\tactionsView.unlinkButtonView.bind( 'isEnabled' ).to( unlinkCommand );\n\n\t\t// Execute unlink command after clicking on the \"Edit\" button.\n\t\tthis.listenTo( actionsView, 'edit', () => {\n\t\t\tthis._addFormView();\n\t\t} );\n\n\t\t// Execute unlink command after clicking on the \"Unlink\" button.\n\t\tthis.listenTo( actionsView, 'unlink', () => {\n\t\t\teditor.execute( 'unlink' );\n\t\t\tthis._hideUI();\n\t\t} );\n\n\t\t// Close the panel on esc key press when the **actions have focus**.\n\t\tactionsView.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._hideUI();\n\t\t\tcancel();\n\t\t} );\n\n\t\t// Open the form view on Ctrl+K when the **actions have focus**..\n\t\tactionsView.keystrokes.set( LINK_KEYSTROKE, ( data, cancel ) => {\n\t\t\tthis._addFormView();\n\t\t\tcancel();\n\t\t} );\n\n\t\treturn actionsView;\n\t}\n\n\t/**\n\t * Creates the {@link module:link/ui/linkformview~LinkFormView} instance.\n\t *\n\t * @private\n\t * @returns {module:link/ui/linkformview~LinkFormView} The link form view instance.\n\t */\n\t_createFormView() {\n\t\tconst editor = this.editor;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\t\tconst defaultProtocol = editor.config.get( 'link.defaultProtocol' );\n\n\t\tconst formView = new LinkFormView( editor.locale, linkCommand );\n\n\t\tformView.urlInputView.fieldView.bind( 'value' ).to( linkCommand, 'value' );\n\n\t\t// Form elements should be read-only when corresponding commands are disabled.\n\t\tformView.urlInputView.bind( 'isReadOnly' ).to( linkCommand, 'isEnabled', value => !value );\n\t\tformView.saveButtonView.bind( 'isEnabled' ).to( linkCommand );\n\n\t\t// Execute link command after clicking the \"Save\" button.\n\t\tthis.listenTo( formView, 'submit', () => {\n\t\t\tconst { value } = formView.urlInputView.fieldView.element;\n\t\t\tconst parsedUrl = addLinkProtocolIfApplicable( value, defaultProtocol );\n\t\t\teditor.execute( 'link', parsedUrl, formView.getDecoratorSwitchesState() );\n\t\t\tthis._closeFormView();\n\t\t} );\n\n\t\t// Hide the panel after clicking the \"Cancel\" button.\n\t\tthis.listenTo( formView, 'cancel', () => {\n\t\t\tthis._closeFormView();\n\t\t} );\n\n\t\t// Close the panel on esc key press when the **form has focus**.\n\t\tformView.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._closeFormView();\n\t\t\tcancel();\n\t\t} );\n\n\t\treturn formView;\n\t}\n\n\t/**\n\t * Creates a toolbar Link button. Clicking this button will show\n\t * a {@link #_balloon} attached to the selection.\n\t *\n\t * @private\n\t */\n\t_createToolbarLinkButton() {\n\t\tconst editor = this.editor;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\t\tconst t = editor.t;\n\n\t\t// Handle the `Ctrl+K` keystroke and show the panel.\n\t\teditor.keystrokes.set( LINK_KEYSTROKE, ( keyEvtData, cancel ) => {\n\t\t\t// Prevent focusing the search bar in FF, Chrome and Edge. See https://github.com/ckeditor/ckeditor5/issues/4811.\n\t\t\tcancel();\n\n\t\t\tif ( linkCommand.isEnabled ) {\n\t\t\t\tthis._showUI( true );\n\t\t\t}\n\t\t} );\n\n\t\teditor.ui.componentFactory.add( 'link', locale => {\n\t\t\tconst button = new ButtonView( locale );\n\n\t\t\tbutton.isEnabled = true;\n\t\t\tbutton.label = t( 'Link' );\n\t\t\tbutton.icon = linkIcon;\n\t\t\tbutton.keystroke = LINK_KEYSTROKE;\n\t\t\tbutton.tooltip = true;\n\t\t\tbutton.isToggleable = true;\n\n\t\t\t// Bind button to the command.\n\t\t\tbutton.bind( 'isEnabled' ).to( linkCommand, 'isEnabled' );\n\t\t\tbutton.bind( 'isOn' ).to( linkCommand, 'value', value => !!value );\n\n\t\t\t// Show the panel on button click.\n\t\t\tthis.listenTo( button, 'execute', () => this._showUI( true ) );\n\n\t\t\treturn button;\n\t\t} );\n\t}\n\n\t/**\n\t * Attaches actions that control whether the balloon panel containing the\n\t * {@link #formView} is visible or not.\n\t *\n\t * @private\n\t */\n\t_enableUserBalloonInteractions() {\n\t\tconst viewDocument = this.editor.editing.view.document;\n\n\t\t// Handle click on view document and show panel when selection is placed inside the link element.\n\t\t// Keep panel open until selection will be inside the same link element.\n\t\tthis.listenTo( viewDocument, 'click', () => {\n\t\t\tconst parentLink = this._getSelectedLinkElement();\n\n\t\t\tif ( parentLink ) {\n\t\t\t\t// Then show panel but keep focus inside editor editable.\n\t\t\t\tthis._showUI();\n\t\t\t}\n\t\t} );\n\n\t\t// Focus the form if the balloon is visible and the Tab key has been pressed.\n\t\tthis.editor.keystrokes.set( 'Tab', ( data, cancel ) => {\n\t\t\tif ( this._areActionsVisible && !this.actionsView.focusTracker.isFocused ) {\n\t\t\t\tthis.actionsView.focus();\n\t\t\t\tcancel();\n\t\t\t}\n\t\t}, {\n\t\t\t// Use the high priority because the link UI navigation is more important\n\t\t\t// than other feature's actions, e.g. list indentation.\n\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/146\n\t\t\tpriority: 'high'\n\t\t} );\n\n\t\t// Close the panel on the Esc key press when the editable has focus and the balloon is visible.\n\t\tthis.editor.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tif ( this._isUIVisible ) {\n\t\t\t\tthis._hideUI();\n\t\t\t\tcancel();\n\t\t\t}\n\t\t} );\n\n\t\t// Close on click outside of balloon panel element.\n\t\tclickOutsideHandler( {\n\t\t\temitter: this.formView,\n\t\t\tactivator: () => this._isUIInPanel,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideUI()\n\t\t} );\n\t}\n\n\t/**\n\t * Adds the {@link #actionsView} to the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_addActionsView() {\n\t\tif ( this._areActionsInPanel ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._balloon.add( {\n\t\t\tview: this.actionsView,\n\t\t\tposition: this._getBalloonPositionData()\n\t\t} );\n\t}\n\n\t/**\n\t * Adds the {@link #formView} to the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_addFormView() {\n\t\tif ( this._isFormInPanel ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\t\tconst linkCommand = editor.commands.get( 'link' );\n\n\t\tthis.formView.disableCssTransitions();\n\n\t\tthis._balloon.add( {\n\t\t\tview: this.formView,\n\t\t\tposition: this._getBalloonPositionData()\n\t\t} );\n\n\t\t// Select input when form view is currently visible.\n\t\tif ( this._balloon.visibleView === this.formView ) {\n\t\t\tthis.formView.urlInputView.fieldView.select();\n\t\t}\n\n\t\tthis.formView.enableCssTransitions();\n\n\t\t// Make sure that each time the panel shows up, the URL field remains in sync with the value of\n\t\t// the command. If the user typed in the input, then canceled the balloon (`urlInputView.fieldView#value` stays\n\t\t// unaltered) and re-opened it without changing the value of the link command (e.g. because they\n\t\t// clicked the same link), they would see the old value instead of the actual value of the command.\n\t\t// https://github.com/ckeditor/ckeditor5-link/issues/78\n\t\t// https://github.com/ckeditor/ckeditor5-link/issues/123\n\t\tthis.formView.urlInputView.fieldView.element.value = linkCommand.value || '';\n\t}\n\n\t/**\n\t * Closes the form view. Decides whether the balloon should be hidden completely or if the action view should be shown. This is\n\t * decided upon the link command value (which has a value if the document selection is in the link).\n\t *\n\t * Additionally, if any {@link module:link/link~LinkConfig#decorators} are defined in the editor configuration, the state of\n\t * switch buttons responsible for manual decorator handling is restored.\n\t *\n\t * @private\n\t */\n\t_closeFormView() {\n\t\tconst linkCommand = this.editor.commands.get( 'link' );\n\n\t\t// Restore manual decorator states to represent the current model state. This case is important to reset the switch buttons\n\t\t// when the user cancels the editing form.\n\t\tlinkCommand.restoreManualDecoratorStates();\n\n\t\tif ( linkCommand.value !== undefined ) {\n\t\t\tthis._removeFormView();\n\t\t} else {\n\t\t\tthis._hideUI();\n\t\t}\n\t}\n\n\t/**\n\t * Removes the {@link #formView} from the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_removeFormView() {\n\t\tif ( this._isFormInPanel ) {\n\t\t\t// Blur the input element before removing it from DOM to prevent issues in some browsers.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/issues/1501.\n\t\t\tthis.formView.saveButtonView.focus();\n\n\t\t\tthis._balloon.remove( this.formView );\n\n\t\t\t// Because the form has an input which has focus, the focus must be brought back\n\t\t\t// to the editor. Otherwise, it would be lost.\n\t\t\tthis.editor.editing.view.focus();\n\n\t\t\tthis._hideFakeVisualSelection();\n\t\t}\n\t}\n\n\t/**\n\t * Shows the correct UI type. It is either {@link #formView} or {@link #actionsView}.\n\t *\n\t * @param {Boolean} forceVisible\n\t * @private\n\t */\n\t_showUI( forceVisible = false ) {\n\t\t// When there's no link under the selection, go straight to the editing UI.\n\t\tif ( !this._getSelectedLinkElement() ) {\n\t\t\t// Show visual selection on a text without a link when the contextual balloon is displayed.\n\t\t\t// See https://github.com/ckeditor/ckeditor5/issues/4721.\n\t\t\tthis._showFakeVisualSelection();\n\n\t\t\tthis._addActionsView();\n\n\t\t\t// Be sure panel with link is visible.\n\t\t\tif ( forceVisible ) {\n\t\t\t\tthis._balloon.showStack( 'main' );\n\t\t\t}\n\n\t\t\tthis._addFormView();\n\t\t}\n\t\t// If there's a link under the selection...\n\t\telse {\n\t\t\t// Go to the editing UI if actions are already visible.\n\t\t\tif ( this._areActionsVisible ) {\n\t\t\t\tthis._addFormView();\n\t\t\t}\n\t\t\t// Otherwise display just the actions UI.\n\t\t\telse {\n\t\t\t\tthis._addActionsView();\n\t\t\t}\n\n\t\t\t// Be sure panel with link is visible.\n\t\t\tif ( forceVisible ) {\n\t\t\t\tthis._balloon.showStack( 'main' );\n\t\t\t}\n\t\t}\n\n\t\t// Begin responding to ui#update once the UI is added.\n\t\tthis._startUpdatingUI();\n\t}\n\n\t/**\n\t * Removes the {@link #formView} from the {@link #_balloon}.\n\t *\n\t * See {@link #_addFormView}, {@link #_addActionsView}.\n\t *\n\t * @protected\n\t */\n\t_hideUI() {\n\t\tif ( !this._isUIInPanel ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\n\t\tthis.stopListening( editor.ui, 'update' );\n\t\tthis.stopListening( this._balloon, 'change:visibleView' );\n\n\t\t// Make sure the focus always gets back to the editable _before_ removing the focused form view.\n\t\t// Doing otherwise causes issues in some browsers. See https://github.com/ckeditor/ckeditor5-link/issues/193.\n\t\teditor.editing.view.focus();\n\n\t\t// Remove form first because it's on top of the stack.\n\t\tthis._removeFormView();\n\n\t\t// Then remove the actions view because it's beneath the form.\n\t\tthis._balloon.remove( this.actionsView );\n\n\t\tthis._hideFakeVisualSelection();\n\t}\n\n\t/**\n\t * Makes the UI react to the {@link module:core/editor/editorui~EditorUI#event:update} event to\n\t * reposition itself when the editor UI should be refreshed.\n\t *\n\t * See: {@link #_hideUI} to learn when the UI stops reacting to the `update` event.\n\t *\n\t * @protected\n\t */\n\t_startUpdatingUI() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\n\t\tlet prevSelectedLink = this._getSelectedLinkElement();\n\t\tlet prevSelectionParent = getSelectionParent();\n\n\t\tconst update = () => {\n\t\t\tconst selectedLink = this._getSelectedLinkElement();\n\t\t\tconst selectionParent = getSelectionParent();\n\n\t\t\t// Hide the panel if:\n\t\t\t//\n\t\t\t// * the selection went out of the EXISTING link element. E.g. user moved the caret out\n\t\t\t//   of the link,\n\t\t\t// * the selection went to a different parent when creating a NEW link. E.g. someone\n\t\t\t//   else modified the document.\n\t\t\t// * the selection has expanded (e.g. displaying link actions then pressing SHIFT+Right arrow).\n\t\t\t//\n\t\t\t// Note: #_getSelectedLinkElement will return a link for a non-collapsed selection only\n\t\t\t// when fully selected.\n\t\t\tif ( ( prevSelectedLink && !selectedLink ) ||\n\t\t\t\t( !prevSelectedLink && selectionParent !== prevSelectionParent ) ) {\n\t\t\t\tthis._hideUI();\n\t\t\t}\n\t\t\t// Update the position of the panel when:\n\t\t\t//  * link panel is in the visible stack\n\t\t\t//  * the selection remains in the original link element,\n\t\t\t//  * there was no link element in the first place, i.e. creating a new link\n\t\t\telse if ( this._isUIVisible ) {\n\t\t\t\t// If still in a link element, simply update the position of the balloon.\n\t\t\t\t// If there was no link (e.g. inserting one), the balloon must be moved\n\t\t\t\t// to the new position in the editing view (a new native DOM range).\n\t\t\t\tthis._balloon.updatePosition( this._getBalloonPositionData() );\n\t\t\t}\n\n\t\t\tprevSelectedLink = selectedLink;\n\t\t\tprevSelectionParent = selectionParent;\n\t\t};\n\n\t\tfunction getSelectionParent() {\n\t\t\treturn viewDocument.selection.focus.getAncestors()\n\t\t\t\t.reverse()\n\t\t\t\t.find( node => node.is( 'element' ) );\n\t\t}\n\n\t\tthis.listenTo( editor.ui, 'update', update );\n\t\tthis.listenTo( this._balloon, 'change:visibleView', update );\n\t}\n\n\t/**\n\t * Returns `true` when {@link #formView} is in the {@link #_balloon}.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _isFormInPanel() {\n\t\treturn this._balloon.hasView( this.formView );\n\t}\n\n\t/**\n\t * Returns `true` when {@link #actionsView} is in the {@link #_balloon}.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _areActionsInPanel() {\n\t\treturn this._balloon.hasView( this.actionsView );\n\t}\n\n\t/**\n\t * Returns `true` when {@link #actionsView} is in the {@link #_balloon} and it is\n\t * currently visible.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _areActionsVisible() {\n\t\treturn this._balloon.visibleView === this.actionsView;\n\t}\n\n\t/**\n\t * Returns `true` when {@link #actionsView} or {@link #formView} is in the {@link #_balloon}.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _isUIInPanel() {\n\t\treturn this._isFormInPanel || this._areActionsInPanel;\n\t}\n\n\t/**\n\t * Returns `true` when {@link #actionsView} or {@link #formView} is in the {@link #_balloon} and it is\n\t * currently visible.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _isUIVisible() {\n\t\tconst visibleView = this._balloon.visibleView;\n\n\t\treturn visibleView == this.formView || this._areActionsVisible;\n\t}\n\n\t/**\n\t * Returns positioning options for the {@link #_balloon}. They control the way the balloon is attached\n\t * to the target element or selection.\n\t *\n\t * If the selection is collapsed and inside a link element, the panel will be attached to the\n\t * entire link element. Otherwise, it will be attached to the selection.\n\t *\n\t * @private\n\t * @returns {module:utils/dom/position~Options}\n\t */\n\t_getBalloonPositionData() {\n\t\tconst view = this.editor.editing.view;\n\t\tconst model = this.editor.model;\n\t\tconst viewDocument = view.document;\n\t\tlet target = null;\n\n\t\tif ( model.markers.has( VISUAL_SELECTION_MARKER_NAME ) ) {\n\t\t\t// There are cases when we highlight selection using a marker (#7705, #4721).\n\t\t\tconst markerViewElements = Array.from( this.editor.editing.mapper.markerNameToElements( VISUAL_SELECTION_MARKER_NAME ) );\n\t\t\tconst newRange = view.createRange(\n\t\t\t\tview.createPositionBefore( markerViewElements[ 0 ] ),\n\t\t\t\tview.createPositionAfter( markerViewElements[ markerViewElements.length - 1 ] )\n\t\t\t);\n\n\t\t\ttarget = view.domConverter.viewRangeToDom( newRange );\n\t\t} else {\n\t\t\t// Make sure the target is calculated on demand at the last moment because a cached DOM range\n\t\t\t// (which is very fragile) can desynchronize with the state of the editing view if there was\n\t\t\t// any rendering done in the meantime. This can happen, for instance, when an inline widget\n\t\t\t// gets unlinked.\n\t\t\ttarget = () => {\n\t\t\t\tconst targetLink = this._getSelectedLinkElement();\n\n\t\t\t\treturn targetLink ?\n\t\t\t\t\t// When selection is inside link element, then attach panel to this element.\n\t\t\t\t\tview.domConverter.mapViewToDom( targetLink ) :\n\t\t\t\t\t// Otherwise attach panel to the selection.\n\t\t\t\t\tview.domConverter.viewRangeToDom( viewDocument.selection.getFirstRange() );\n\t\t\t};\n\t\t}\n\n\t\treturn { target };\n\t}\n\n\t/**\n\t * Returns the link {@link module:engine/view/attributeelement~AttributeElement} under\n\t * the {@link module:engine/view/document~Document editing view's} selection or `null`\n\t * if there is none.\n\t *\n\t * **Note**: For a non–collapsed selection, the link element is returned when **fully**\n\t * selected and the **only** element within the selection boundaries, or when\n\t * a linked widget is selected.\n\t *\n\t * @private\n\t * @returns {module:engine/view/attributeelement~AttributeElement|null}\n\t */\n\t_getSelectedLinkElement() {\n\t\tconst view = this.editor.editing.view;\n\t\tconst selection = view.document.selection;\n\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\t// The selection is collapsed or some widget is selected (especially inline widget).\n\t\tif ( selection.isCollapsed || selectedElement && isWidget( selectedElement ) ) {\n\t\t\treturn findLinkElementAncestor( selection.getFirstPosition() );\n\t\t} else {\n\t\t\t// The range for fully selected link is usually anchored in adjacent text nodes.\n\t\t\t// Trim it to get closer to the actual link element.\n\t\t\tconst range = selection.getFirstRange().getTrimmed();\n\t\t\tconst startLink = findLinkElementAncestor( range.start );\n\t\t\tconst endLink = findLinkElementAncestor( range.end );\n\n\t\t\tif ( !startLink || startLink != endLink ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\t// Check if the link element is fully selected.\n\t\t\tif ( view.createRangeIn( startLink ).getTrimmed().isEqual( range ) ) {\n\t\t\t\treturn startLink;\n\t\t\t} else {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Displays a fake visual selection when the contextual balloon is displayed.\n\t *\n\t * This adds a 'link-ui' marker into the document that is rendered as a highlight on selected text fragment.\n\t *\n\t * @private\n\t */\n\t_showFakeVisualSelection() {\n\t\tconst model = this.editor.model;\n\n\t\tmodel.change( writer => {\n\t\t\tconst range = model.document.selection.getFirstRange();\n\n\t\t\tif ( model.markers.has( VISUAL_SELECTION_MARKER_NAME ) ) {\n\t\t\t\twriter.updateMarker( VISUAL_SELECTION_MARKER_NAME, { range } );\n\t\t\t} else {\n\t\t\t\tif ( range.start.isAtEnd ) {\n\t\t\t\t\tconst startPosition = range.start.getLastMatchingPosition(\n\t\t\t\t\t\t( { item } ) => !model.schema.isContent( item ),\n\t\t\t\t\t\t{ boundaries: range }\n\t\t\t\t\t);\n\n\t\t\t\t\twriter.addMarker( VISUAL_SELECTION_MARKER_NAME, {\n\t\t\t\t\t\tusingOperation: false,\n\t\t\t\t\t\taffectsData: false,\n\t\t\t\t\t\trange: writer.createRange( startPosition, range.end )\n\t\t\t\t\t} );\n\t\t\t\t} else {\n\t\t\t\t\twriter.addMarker( VISUAL_SELECTION_MARKER_NAME, {\n\t\t\t\t\t\tusingOperation: false,\n\t\t\t\t\t\taffectsData: false,\n\t\t\t\t\t\trange\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Hides the fake visual selection created in {@link #_showFakeVisualSelection}.\n\t *\n\t * @private\n\t */\n\t_hideFakeVisualSelection() {\n\t\tconst model = this.editor.model;\n\n\t\tif ( model.markers.has( VISUAL_SELECTION_MARKER_NAME ) ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.removeMarker( VISUAL_SELECTION_MARKER_NAME );\n\t\t\t} );\n\t\t}\n\t}\n}\n\n// Returns a link element if there's one among the ancestors of the provided `Position`.\n//\n// @private\n// @param {module:engine/view/position~Position} View position to analyze.\n// @returns {module:engine/view/attributeelement~AttributeElement|null} Link element at the position or null.\nfunction findLinkElementAncestor( position ) {\n\treturn position.getAncestors().find( ancestor => isLinkElement( ancestor ) );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/autolink\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Delete, TextWatcher, getLastTextLine } from 'ckeditor5/src/typing';\n\nimport { addLinkProtocolIfApplicable } from './utils';\n\nconst MIN_LINK_LENGTH_WITH_SPACE_AT_END = 4; // Ie: \"t.co \" (length 5).\n\n// This was a tweak from https://gist.github.com/dperini/729294.\nconst URL_REG_EXP = new RegExp(\n\t// Group 1: Line start or after a space.\n\t'(^|\\\\s)' +\n\t// Group 2: Detected URL (or e-mail).\n\t'(' +\n\t\t// Protocol identifier or short syntax \"//\"\n\t\t// a. Full form http://user@foo.bar.baz:8080/foo/bar.html#baz?foo=bar\n\t\t'(' +\n\t\t\t'(?:(?:(?:https?|ftp):)?\\\\/\\\\/)' +\n\t\t\t// BasicAuth using user:pass (optional)\n\t\t\t'(?:\\\\S+(?::\\\\S*)?@)?' +\n\t\t\t'(?:' +\n\t\t\t\t// IP address dotted notation octets\n\t\t\t\t// excludes loopback network 0.0.0.0\n\t\t\t\t// excludes reserved space >= 224.0.0.0\n\t\t\t\t// excludes network & broadcast addresses\n\t\t\t\t// (first & last IP address of each class)\n\t\t\t\t'(?:[1-9]\\\\d?|1\\\\d\\\\d|2[01]\\\\d|22[0-3])' +\n\t\t\t\t'(?:\\\\.(?:1?\\\\d{1,2}|2[0-4]\\\\d|25[0-5])){2}' +\n\t\t\t\t'(?:\\\\.(?:[1-9]\\\\d?|1\\\\d\\\\d|2[0-4]\\\\d|25[0-4]))' +\n\t\t\t\t'|' +\n\t\t\t\t'(' +\n\t\t\t\t\t// Do not allow `www.foo` - see https://github.com/ckeditor/ckeditor5/issues/8050.\n\t\t\t\t\t'((?!www\\\\.)|(www\\\\.))' +\n\t\t\t\t\t// Host & domain names.\n\t\t\t\t\t'(?![-_])(?:[-_a-z0-9\\\\u00a1-\\\\uffff]{1,63}\\\\.)+' +\n\t\t\t\t\t// TLD identifier name.\n\t\t\t\t\t'(?:[a-z\\\\u00a1-\\\\uffff]{2,63})' +\n\t\t\t\t')' +\n\t\t\t')' +\n\t\t\t// port number (optional)\n\t\t\t'(?::\\\\d{2,5})?' +\n\t\t\t// resource path (optional)\n\t\t\t'(?:[/?#]\\\\S*)?' +\n\t\t')' +\n\t\t'|' +\n\t\t// b. Short form (either www.example.com or example@example.com)\n\t\t'(' +\n\t\t\t'(www.|(\\\\S+@))' +\n\t\t\t// Host & domain names.\n\t\t\t'((?![-_])(?:[-_a-z0-9\\\\u00a1-\\\\uffff]{1,63}\\\\.))+' +\n\t\t\t// TLD identifier name.\n\t\t\t'(?:[a-z\\\\u00a1-\\\\uffff]{2,63})' +\n\t\t')' +\n\t')$', 'i' );\n\nconst URL_GROUP_IN_MATCH = 2;\n\n/**\n * The autolink plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class AutoLink extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Delete ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'AutoLink';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\n\t\tselection.on( 'change:range', () => {\n\t\t\t// Disable plugin when selection is inside a code block.\n\t\t\tthis.isEnabled = !selection.anchor.parent.is( 'element', 'codeBlock' );\n\t\t} );\n\n\t\tthis._enableTypingHandling();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tthis._enableEnterHandling();\n\t\tthis._enableShiftEnterHandling();\n\t}\n\n\t/**\n\t * Enables autolinking on typing.\n\t *\n\t * @private\n\t */\n\t_enableTypingHandling() {\n\t\tconst editor = this.editor;\n\n\t\tconst watcher = new TextWatcher( editor.model, text => {\n\t\t\t// 1. Detect <kbd>Space</kbd> after a text with a potential link.\n\t\t\tif ( !isSingleSpaceAtTheEnd( text ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// 2. Check text before last typed <kbd>Space</kbd>.\n\t\t\tconst url = getUrlAtTextEnd( text.substr( 0, text.length - 1 ) );\n\n\t\t\tif ( url ) {\n\t\t\t\treturn { url };\n\t\t\t}\n\t\t} );\n\n\t\twatcher.on( 'matched:data', ( evt, data ) => {\n\t\t\tconst { batch, range, url } = data;\n\n\t\t\tif ( !batch.isTyping ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst linkEnd = range.end.getShiftedBy( -1 ); // Executed after a space character.\n\t\t\tconst linkStart = linkEnd.getShiftedBy( -url.length );\n\n\t\t\tconst linkRange = editor.model.createRange( linkStart, linkEnd );\n\n\t\t\tthis._applyAutoLink( url, linkRange );\n\t\t} );\n\n\t\twatcher.bind( 'isEnabled' ).to( this );\n\t}\n\n\t/**\n\t * Enables autolinking on the <kbd>Enter</kbd> key.\n\t *\n\t * @private\n\t */\n\t_enableEnterHandling() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst enterCommand = editor.commands.get( 'enter' );\n\n\t\tif ( !enterCommand ) {\n\t\t\treturn;\n\t\t}\n\n\t\tenterCommand.on( 'execute', () => {\n\t\t\tconst position = model.document.selection.getFirstPosition();\n\n\t\t\tif ( !position.parent.previousSibling ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst rangeToCheck = model.createRangeIn( position.parent.previousSibling );\n\n\t\t\tthis._checkAndApplyAutoLinkOnRange( rangeToCheck );\n\t\t} );\n\t}\n\n\t/**\n\t * Enables autolinking on the <kbd>Shift</kbd>+<kbd>Enter</kbd> keyboard shortcut.\n\t *\n\t * @private\n\t */\n\t_enableShiftEnterHandling() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\tconst shiftEnterCommand = editor.commands.get( 'shiftEnter' );\n\n\t\tif ( !shiftEnterCommand ) {\n\t\t\treturn;\n\t\t}\n\n\t\tshiftEnterCommand.on( 'execute', () => {\n\t\t\tconst position = model.document.selection.getFirstPosition();\n\n\t\t\tconst rangeToCheck = model.createRange(\n\t\t\t\tmodel.createPositionAt( position.parent, 0 ),\n\t\t\t\tposition.getShiftedBy( -1 )\n\t\t\t);\n\n\t\t\tthis._checkAndApplyAutoLinkOnRange( rangeToCheck );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks if the passed range contains a linkable text.\n\t *\n\t * @param {module:engine/model/range~Range} rangeToCheck\n\t * @private\n\t */\n\t_checkAndApplyAutoLinkOnRange( rangeToCheck ) {\n\t\tconst model = this.editor.model;\n\t\tconst { text, range } = getLastTextLine( rangeToCheck, model );\n\n\t\tconst url = getUrlAtTextEnd( text );\n\n\t\tif ( url ) {\n\t\t\tconst linkRange = model.createRange(\n\t\t\t\trange.end.getShiftedBy( -url.length ),\n\t\t\t\trange.end\n\t\t\t);\n\n\t\t\tthis._applyAutoLink( url, linkRange );\n\t\t}\n\t}\n\n\t/**\n\t * Applies a link on a given range.\n\t *\n\t * @param {String} url The URL to link.\n\t * @param {module:engine/model/range~Range} range The text range to apply the link attribute to.\n\t * @private\n\t */\n\t_applyAutoLink( link, range ) {\n\t\tconst model = this.editor.model;\n\t\tconst deletePlugin = this.editor.plugins.get( 'Delete' );\n\n\t\tif ( !this.isEnabled || !isLinkAllowedOnRange( range, model ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Enqueue change to make undo step.\n\t\tmodel.enqueueChange( writer => {\n\t\t\tconst defaultProtocol = this.editor.config.get( 'link.defaultProtocol' );\n\t\t\tconst parsedUrl = addLinkProtocolIfApplicable( link, defaultProtocol );\n\t\t\twriter.setAttribute( 'linkHref', parsedUrl, range );\n\n\t\t\tmodel.enqueueChange( () => {\n\t\t\t\tdeletePlugin.requestUndoOnBackspace();\n\t\t\t} );\n\t\t} );\n\t}\n}\n\n// Check if text should be evaluated by the plugin in order to reduce number of RegExp checks on whole text.\nfunction isSingleSpaceAtTheEnd( text ) {\n\treturn text.length > MIN_LINK_LENGTH_WITH_SPACE_AT_END && text[ text.length - 1 ] === ' ' && text[ text.length - 2 ] !== ' ';\n}\n\nfunction getUrlAtTextEnd( text ) {\n\tconst match = URL_REG_EXP.exec( text );\n\n\treturn match ? match[ URL_GROUP_IN_MATCH ] : null;\n}\n\nfunction isLinkAllowedOnRange( range, model ) {\n\treturn model.schema.checkAttributeInSelection( model.createSelection( range ), 'linkHref' );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/listcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * The list command. It is used by the {@link module:list/list~List list feature}.\n *\n * @extends module:core/command~Command\n */\nexport default class ListCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t * @param {'numbered'|'bulleted'} type List type that will be handled by this command.\n\t */\n\tconstructor( editor, type ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The type of the list created by the command.\n\t\t *\n\t\t * @readonly\n\t\t * @member {'numbered'|'bulleted'|'todo'}\n\t\t */\n\t\tthis.type = type;\n\n\t\t/**\n\t\t * A flag indicating whether the command is active, which means that the selection starts in a list of the same type.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #value\n\t\t */\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.value = this._getValue();\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Executes the list command.\n\t *\n\t * @fires execute\n\t * @param {Object} [options] Command options.\n\t * @param {Boolean} [options.forceValue] If set, it will force the command behavior. If `true`, the command will try to convert the\n\t * selected items and potentially the neighbor elements to the proper list items. If set to `false`, it will convert selected elements\n\t * to paragraphs. If not set, the command will toggle selected elements to list items or paragraphs, depending on the selection.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\t\tconst blocks = Array.from( document.selection.getSelectedBlocks() )\n\t\t\t.filter( block => checkCanBecomeListItem( block, model.schema ) );\n\n\t\t// Whether we are turning off some items.\n\t\tconst turnOff = options.forceValue !== undefined ? !options.forceValue : this.value;\n\n\t\t// If we are turning off items, we are going to rename them to paragraphs.\n\n\t\tmodel.change( writer => {\n\t\t\t// If part of a list got turned off, we need to handle (outdent) all of sub-items of the last turned-off item.\n\t\t\t// To be sure that model is all the time in a good state, we first fix items below turned-off item.\n\t\t\tif ( turnOff ) {\n\t\t\t\t// Start from the model item that is just after the last turned-off item.\n\t\t\t\tlet next = blocks[ blocks.length - 1 ].nextSibling;\n\t\t\t\tlet currentIndent = Number.POSITIVE_INFINITY;\n\t\t\t\tlet changes = [];\n\n\t\t\t\t// Correct indent of all items after the last turned off item.\n\t\t\t\t// Rules that should be followed:\n\t\t\t\t// 1. All direct sub-items of turned-off item should become indent 0, because the first item after it\n\t\t\t\t//    will be the first item of a new list. Other items are at the same level, so should have same 0 index.\n\t\t\t\t// 2. All items with indent lower than indent of turned-off item should become indent 0, because they\n\t\t\t\t//    should not end up as a child of any of list items that they were not children of before.\n\t\t\t\t// 3. All other items should have their indent changed relatively to it's parent.\n\t\t\t\t//\n\t\t\t\t// For example:\n\t\t\t\t// 1  * --------\n\t\t\t\t// 2     * --------\n\t\t\t\t// 3        * --------\t\t\t<-- this is turned off.\n\t\t\t\t// 4           * --------\t\t<-- this has to become indent = 0, because it will be first item on a new list.\n\t\t\t\t// 5              * --------\t<-- this should be still be a child of item above, so indent = 1.\n\t\t\t\t// 6        * --------\t\t\t<-- this has to become indent = 0, because it should not be a child of any of items above.\n\t\t\t\t// 7           * --------\t\t<-- this should be still be a child of item above, so indent = 1.\n\t\t\t\t// 8     * --------\t\t\t\t<-- this has to become indent = 0.\n\t\t\t\t// 9        * --------\t\t\t<-- this should still be a child of item above, so indent = 1.\n\t\t\t\t// 10          * --------\t\t<-- this should still be a child of item above, so indent = 2.\n\t\t\t\t// 11          * --------\t\t<-- this should still be at the same level as item above, so indent = 2.\n\t\t\t\t// 12 * --------\t\t\t\t<-- this and all below are left unchanged.\n\t\t\t\t// 13    * --------\n\t\t\t\t// 14       * --------\n\t\t\t\t//\n\t\t\t\t// After turning off 3 the list becomes:\n\t\t\t\t//\n\t\t\t\t// 1  * --------\n\t\t\t\t// 2     * --------\n\t\t\t\t//\n\t\t\t\t// 3  --------\n\t\t\t\t//\n\t\t\t\t// 4  * --------\n\t\t\t\t// 5     * --------\n\t\t\t\t// 6  * --------\n\t\t\t\t// 7     * --------\n\t\t\t\t// 8  * --------\n\t\t\t\t// 9     * --------\n\t\t\t\t// 10       * --------\n\t\t\t\t// 11       * --------\n\t\t\t\t// 12 * --------\n\t\t\t\t// 13    * --------\n\t\t\t\t// 14       * --------\n\t\t\t\t//\n\t\t\t\t// Thanks to this algorithm no lists are mismatched and no items get unexpected children/parent, while\n\t\t\t\t// those parent-child connection which are possible to maintain are still maintained. It's worth noting\n\t\t\t\t// that this is the same effect that we would be get by multiple use of outdent command. However doing\n\t\t\t\t// it like this is much more efficient because it's less operation (less memory usage, easier OT) and\n\t\t\t\t// less conversion (faster).\n\t\t\t\twhile ( next && next.name == 'listItem' && next.getAttribute( 'listIndent' ) !== 0 ) {\n\t\t\t\t\t// Check each next list item, as long as its indent is bigger than 0.\n\t\t\t\t\t// If the indent is 0 we are not going to change anything anyway.\n\t\t\t\t\tconst indent = next.getAttribute( 'listIndent' );\n\n\t\t\t\t\t// We check if that's item indent is lower as current relative indent.\n\t\t\t\t\tif ( indent < currentIndent ) {\n\t\t\t\t\t\t// If it is, current relative indent becomes that indent.\n\t\t\t\t\t\tcurrentIndent = indent;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Fix indent relatively to current relative indent.\n\t\t\t\t\t// Note, that if we just changed the current relative indent, the newIndent will be equal to 0.\n\t\t\t\t\tconst newIndent = indent - currentIndent;\n\n\t\t\t\t\t// Save the entry in changes array. We do not apply it at the moment, because we will need to\n\t\t\t\t\t// reverse the changes so the last item is changed first.\n\t\t\t\t\t// This is to keep model in correct state all the time.\n\t\t\t\t\tchanges.push( { element: next, listIndent: newIndent } );\n\n\t\t\t\t\t// Find next item.\n\t\t\t\t\tnext = next.nextSibling;\n\t\t\t\t}\n\n\t\t\t\tchanges = changes.reverse();\n\n\t\t\t\tfor ( const item of changes ) {\n\t\t\t\t\twriter.setAttribute( 'listIndent', item.listIndent, item.element );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If we are turning on, we might change some items that are already `listItem`s but with different type.\n\t\t\t// Changing one nested list item to other type should also trigger changing all its siblings so the\n\t\t\t// whole nested list is of the same type.\n\t\t\t// Example (assume changing to numbered list):\n\t\t\t// * ------\t\t\t\t<-- do not fix, top level item\n\t\t\t//   * ------\t\t\t<-- fix, because latter list item of this item's list is changed\n\t\t\t//      * ------\t\t<-- do not fix, item is not affected (different list)\n\t\t\t//   * ------\t\t\t<-- fix, because latter list item of this item's list is changed\n\t\t\t//      * ------\t\t<-- fix, because latter list item of this item's list is changed\n\t\t\t//      * ---[--\t\t<-- already in selection\n\t\t\t//   * ------\t\t\t<-- already in selection\n\t\t\t//   * ------\t\t\t<-- already in selection\n\t\t\t// * ------\t\t\t\t<-- already in selection, but does not cause other list items to change because is top-level\n\t\t\t//   * ---]--\t\t\t<-- already in selection\n\t\t\t//   * ------\t\t\t<-- fix, because preceding list item of this item's list is changed\n\t\t\t//      * ------\t\t<-- do not fix, item is not affected (different list)\n\t\t\t// * ------\t\t\t\t<-- do not fix, top level item\n\t\t\tif ( !turnOff ) {\n\t\t\t\t// Find lowest indent among selected items. This will be indicator what is the indent of\n\t\t\t\t// top-most list affected by the command.\n\t\t\t\tlet lowestIndent = Number.POSITIVE_INFINITY;\n\n\t\t\t\tfor ( const item of blocks ) {\n\t\t\t\t\tif ( item.is( 'element', 'listItem' ) && item.getAttribute( 'listIndent' ) < lowestIndent ) {\n\t\t\t\t\t\tlowestIndent = item.getAttribute( 'listIndent' );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Do not execute the fix for top-level lists.\n\t\t\t\tlowestIndent = lowestIndent === 0 ? 1 : lowestIndent;\n\n\t\t\t\t// Fix types of list items that are \"before\" the selected blocks.\n\t\t\t\t_fixType( blocks, true, lowestIndent );\n\n\t\t\t\t// Fix types of list items that are \"after\" the selected blocks.\n\t\t\t\t_fixType( blocks, false, lowestIndent );\n\t\t\t}\n\n\t\t\t// Phew! Now it will be easier :).\n\t\t\t// For each block element that was in the selection, we will either: turn it to list item,\n\t\t\t// turn it to paragraph, or change it's type. Or leave it as it is.\n\t\t\t// Do it in reverse as there might be multiple blocks (same as with changing indents).\n\t\t\tfor ( const element of blocks.reverse() ) {\n\t\t\t\tif ( turnOff && element.name == 'listItem' ) {\n\t\t\t\t\t// We are turning off and the element is a `listItem` - it should be converted to `paragraph`.\n\t\t\t\t\t// List item specific attributes are removed by post fixer.\n\t\t\t\t\twriter.rename( element, 'paragraph' );\n\t\t\t\t} else if ( !turnOff && element.name != 'listItem' ) {\n\t\t\t\t\t// We are turning on and the element is not a `listItem` - it should be converted to `listItem`.\n\t\t\t\t\t// The order of operations is important to keep model in correct state.\n\t\t\t\t\twriter.setAttributes( { listType: this.type, listIndent: 0 }, element );\n\t\t\t\t\twriter.rename( element, 'listItem' );\n\t\t\t\t} else if ( !turnOff && element.name == 'listItem' && element.getAttribute( 'listType' ) != this.type ) {\n\t\t\t\t\t// We are turning on and the element is a `listItem` but has different type - change it's type and\n\t\t\t\t\t// type of it's all siblings that have same indent.\n\t\t\t\t\twriter.setAttribute( 'listType', this.type, element );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * Event fired by the {@link #execute} method.\n\t\t\t *\n\t\t\t * It allows to execute an action after executing the {@link ~ListCommand#execute} method, for example adjusting\n\t\t\t * attributes of changed blocks.\n\t\t\t *\n\t\t\t * @protected\n\t\t\t * @event _executeCleanup\n\t\t\t */\n\t\t\tthis.fire( '_executeCleanup', blocks );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks the command's {@link #value}.\n\t *\n\t * @private\n\t * @returns {Boolean} The current value.\n\t */\n\t_getValue() {\n\t\t// Check whether closest `listItem` ancestor of the position has a correct type.\n\t\tconst listItem = first( this.editor.model.document.selection.getSelectedBlocks() );\n\n\t\treturn !!listItem && listItem.is( 'element', 'listItem' ) && listItem.getAttribute( 'listType' ) == this.type;\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\t// If command value is true it means that we are in list item, so the command should be enabled.\n\t\tif ( this.value ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst schema = this.editor.model.schema;\n\n\t\tconst firstBlock = first( selection.getSelectedBlocks() );\n\n\t\tif ( !firstBlock ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Otherwise, check if list item can be inserted at the position start.\n\t\treturn checkCanBecomeListItem( firstBlock, schema );\n\t}\n}\n\n// Helper function used when one or more list item have their type changed. Fixes type of other list items\n// that are affected by the change (are in same lists) but are not directly in selection. The function got extracted\n// not to duplicated code, as same fix has to be performed before and after selection.\n//\n// @param {Array.<module:engine/model/node~Node>} blocks Blocks that are in selection.\n// @param {Boolean} isBackward Specified whether fix will be applied for blocks before first selected block (`true`)\n// or blocks after last selected block (`false`).\n// @param {Number} lowestIndent Lowest indent among selected blocks.\nfunction _fixType( blocks, isBackward, lowestIndent ) {\n\t// We need to check previous sibling of first changed item and next siblings of last changed item.\n\tconst startingItem = isBackward ? blocks[ 0 ] : blocks[ blocks.length - 1 ];\n\n\tif ( startingItem.is( 'element', 'listItem' ) ) {\n\t\tlet item = startingItem[ isBackward ? 'previousSibling' : 'nextSibling' ];\n\t\t// During processing items, keeps the lowest indent of already processed items.\n\t\t// This saves us from changing too many items.\n\t\t// Following example is for going forward as it is easier to read, however same applies to going backward.\n\t\t// * ------\n\t\t//   * ------\n\t\t//     * --[---\n\t\t//   * ------\t\t<-- `lowestIndent` should be 1\n\t\t//     * --]---\t\t<-- `startingItem`, `currentIndent` = 2, `lowestIndent` == 1\n\t\t//     * ------\t\t<-- should be fixed, `indent` == 2 == `currentIndent`\n\t\t//   * ------\t\t<-- should be fixed, set `currentIndent` to 1, `indent` == 1 == `currentIndent`\n\t\t//     * ------\t\t<-- should not be fixed, item is in different list, `indent` = 2, `indent` != `currentIndent`\n\t\t//   * ------\t\t<-- should be fixed, `indent` == 1 == `currentIndent`\n\t\t// * ------\t\t\t<-- break loop (`indent` < `lowestIndent`)\n\t\tlet currentIndent = startingItem.getAttribute( 'listIndent' );\n\n\t\t// Look back until a list item with indent lower than reference `lowestIndent`.\n\t\t// That would be the parent of nested sublist which contains item having `lowestIndent`.\n\t\twhile ( item && item.is( 'element', 'listItem' ) && item.getAttribute( 'listIndent' ) >= lowestIndent ) {\n\t\t\tif ( currentIndent > item.getAttribute( 'listIndent' ) ) {\n\t\t\t\tcurrentIndent = item.getAttribute( 'listIndent' );\n\t\t\t}\n\n\t\t\t// Found an item that is in the same nested sublist.\n\t\t\tif ( item.getAttribute( 'listIndent' ) == currentIndent ) {\n\t\t\t\t// Just add the item to selected blocks like it was selected by the user.\n\t\t\t\tblocks[ isBackward ? 'unshift' : 'push' ]( item );\n\t\t\t}\n\n\t\t\titem = item[ isBackward ? 'previousSibling' : 'nextSibling' ];\n\t\t}\n\t}\n}\n\n// Checks whether the given block can be replaced by a listItem.\n//\n// @private\n// @param {module:engine/model/element~Element} block A block to be tested.\n// @param {module:engine/model/schema~Schema} schema The schema of the document.\n// @returns {Boolean}\nfunction checkCanBecomeListItem( block, schema ) {\n\treturn schema.checkChild( block.parent, 'listItem' ) && !schema.isObject( block );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/indentcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * The list indent command. It is used by the {@link module:list/list~List list feature}.\n *\n * @extends module:core/command~Command\n */\nexport default class IndentCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor instance.\n\t * @param {'forward'|'backward'} indentDirection The direction of indent. If it is equal to `backward`, the command\n\t * will outdent a list item.\n\t */\n\tconstructor( editor, indentDirection ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * Determines by how much the command will change the list item's indent attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @member {Number}\n\t\t */\n\t\tthis._indentBy = indentDirection == 'forward' ? 1 : -1;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = this._checkEnabled();\n\t}\n\n\t/**\n\t * Indents or outdents (depending on the {@link #constructor}'s `indentDirection` parameter) selected list items.\n\t *\n\t * @fires execute\n\t * @fires _executeCleanup\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tlet itemsToChange = Array.from( doc.selection.getSelectedBlocks() );\n\n\t\tmodel.change( writer => {\n\t\t\tconst lastItem = itemsToChange[ itemsToChange.length - 1 ];\n\n\t\t\t// Indenting a list item should also indent all the items that are already sub-items of indented item.\n\t\t\tlet next = lastItem.nextSibling;\n\n\t\t\t// Check all items after last indented item, as long as their indent is bigger than indent of that item.\n\t\t\twhile ( next && next.name == 'listItem' && next.getAttribute( 'listIndent' ) > lastItem.getAttribute( 'listIndent' ) ) {\n\t\t\t\titemsToChange.push( next );\n\n\t\t\t\tnext = next.nextSibling;\n\t\t\t}\n\n\t\t\t// We need to be sure to keep model in correct state after each small change, because converters\n\t\t\t// bases on that state and assumes that model is correct.\n\t\t\t// Because of that, if the command outdents items, we will outdent them starting from the last item, as\n\t\t\t// it is safer.\n\t\t\tif ( this._indentBy < 0 ) {\n\t\t\t\titemsToChange = itemsToChange.reverse();\n\t\t\t}\n\n\t\t\tfor ( const item of itemsToChange ) {\n\t\t\t\tconst indent = item.getAttribute( 'listIndent' ) + this._indentBy;\n\n\t\t\t\t// If indent is lower than 0, it means that the item got outdented when it was not indented.\n\t\t\t\t// This means that we need to convert that list item to paragraph.\n\t\t\t\tif ( indent < 0 ) {\n\t\t\t\t\t// To keep the model as correct as possible, first rename listItem, then remove attributes,\n\t\t\t\t\t// as listItem without attributes is very incorrect and will cause problems in converters.\n\t\t\t\t\t// No need to remove attributes, will be removed by post fixer.\n\t\t\t\t\twriter.rename( item, 'paragraph' );\n\t\t\t\t}\n\t\t\t\t// If indent is >= 0, change the attribute value.\n\t\t\t\telse {\n\t\t\t\t\twriter.setAttribute( 'listIndent', indent, item );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * Event fired by the {@link #execute} method.\n\t\t\t *\n\t\t\t * It allows to execute an action after executing the {@link ~IndentCommand#execute} method, for example adjusting\n\t\t\t * attributes of changed list items.\n\t\t\t *\n\t\t\t * @protected\n\t\t\t * @event _executeCleanup\n\t\t\t */\n\t\t\tthis.fire( '_executeCleanup', itemsToChange );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks whether the command can be enabled in the current context.\n\t *\n\t * @private\n\t * @returns {Boolean} Whether the command should be enabled.\n\t */\n\t_checkEnabled() {\n\t\t// Check whether any of position's ancestor is a list item.\n\t\tconst listItem = first( this.editor.model.document.selection.getSelectedBlocks() );\n\n\t\t// If selection is not in a list item, the command is disabled.\n\t\tif ( !listItem || !listItem.is( 'element', 'listItem' ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( this._indentBy > 0 ) {\n\t\t\t// Cannot indent first item in it's list. Check if before `listItem` is a list item that is in same list.\n\t\t\t// To be in the same list, the item has to have same attributes and cannot be \"split\" by an item with lower indent.\n\t\t\tconst indent = listItem.getAttribute( 'listIndent' );\n\t\t\tconst type = listItem.getAttribute( 'listType' );\n\n\t\t\tlet prev = listItem.previousSibling;\n\n\t\t\twhile ( prev && prev.is( 'element', 'listItem' ) && prev.getAttribute( 'listIndent' ) >= indent ) {\n\t\t\t\tif ( prev.getAttribute( 'listIndent' ) == indent ) {\n\t\t\t\t\t// The item is on the same level.\n\t\t\t\t\t// If it has same type, it means that we found a preceding sibling from the same list.\n\t\t\t\t\t// If it does not have same type, it means that `listItem` is on different list (this can happen only\n\t\t\t\t\t// on top level lists, though).\n\t\t\t\t\treturn prev.getAttribute( 'listType' ) == type;\n\t\t\t\t}\n\n\t\t\t\tprev = prev.previousSibling;\n\t\t\t}\n\n\t\t\t// Could not find similar list item, this means that `listItem` is first in its list.\n\t\t\treturn false;\n\t\t}\n\n\t\t// If we are outdenting it is enough to be in list item. Every list item can always be outdented.\n\t\treturn true;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/utils\n */\n\nimport { TreeWalker, getFillerOffset } from 'ckeditor5/src/engine';\nimport { ButtonView } from 'ckeditor5/src/ui';\n\n/**\n * Creates a list item {@link module:engine/view/containerelement~ContainerElement}.\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} writer The writer instance.\n * @returns {module:engine/view/containerelement~ContainerElement}\n */\nexport function createViewListItemElement( writer ) {\n\tconst viewItem = writer.createContainerElement( 'li' );\n\n\tviewItem.getFillerOffset = getListItemFillerOffset;\n\n\treturn viewItem;\n}\n\n/**\n * Helper function that creates a `<ul><li></li></ul>` or (`<ol>`) structure out of the given `modelItem` model `listItem` element.\n * Then, it binds the created view list item (`<li>`) with the model `listItem` element.\n * The function then returns the created view list item (`<li>`).\n *\n * @param {module:engine/model/item~Item} modelItem Model list item.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface.\n * @returns {module:engine/view/containerelement~ContainerElement} View list element.\n */\nexport function generateLiInUl( modelItem, conversionApi ) {\n\tconst mapper = conversionApi.mapper;\n\tconst viewWriter = conversionApi.writer;\n\tconst listType = modelItem.getAttribute( 'listType' ) == 'numbered' ? 'ol' : 'ul';\n\tconst viewItem = createViewListItemElement( viewWriter );\n\n\tconst viewList = viewWriter.createContainerElement( listType, null );\n\n\tviewWriter.insert( viewWriter.createPositionAt( viewList, 0 ), viewItem );\n\n\tmapper.bindElements( modelItem, viewItem );\n\n\treturn viewItem;\n}\n\n/**\n * Helper function that inserts a view list at a correct place and merges it with its siblings.\n * It takes a model list item element (`modelItem`) and a corresponding view list item element (`injectedItem`). The view list item\n * should be in a view list element (`<ul>` or `<ol>`) and should be its only child.\n * See comments below to better understand the algorithm.\n *\n * @param {module:engine/view/item~Item} modelItem Model list item.\n * @param {module:engine/view/containerelement~ContainerElement} injectedItem\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface.\n * @param {module:engine/model/model~Model} model The model instance.\n */\nexport function injectViewList( modelItem, injectedItem, conversionApi, model ) {\n\tconst injectedList = injectedItem.parent;\n\tconst mapper = conversionApi.mapper;\n\tconst viewWriter = conversionApi.writer;\n\n\t// The position where the view list will be inserted.\n\tlet insertPosition = mapper.toViewPosition( model.createPositionBefore( modelItem ) );\n\n\t// 1. Find the previous list item that has the same or smaller indent. Basically we are looking for the first model item\n\t// that is a \"parent\" or \"sibling\" of the injected model item.\n\t// If there is no such list item, it means that the injected list item is the first item in \"its list\".\n\tconst refItem = getSiblingListItem( modelItem.previousSibling, {\n\t\tsameIndent: true,\n\t\tsmallerIndent: true,\n\t\tlistIndent: modelItem.getAttribute( 'listIndent' )\n\t} );\n\tconst prevItem = modelItem.previousSibling;\n\n\tif ( refItem && refItem.getAttribute( 'listIndent' ) == modelItem.getAttribute( 'listIndent' ) ) {\n\t\t// There is a list item with the same indent - we found the same-level sibling.\n\t\t// Break the list after it. The inserted view item will be added in the broken space.\n\t\tconst viewItem = mapper.toViewElement( refItem );\n\t\tinsertPosition = viewWriter.breakContainer( viewWriter.createPositionAfter( viewItem ) );\n\t} else {\n\t\t// There is no list item with the same indent. Check the previous model item.\n\t\tif ( prevItem && prevItem.name == 'listItem' ) {\n\t\t\t// If it is a list item, it has to have a lower indent.\n\t\t\t// It means that the inserted item should be added to it as its nested item.\n\t\t\tinsertPosition = mapper.toViewPosition( model.createPositionAt( prevItem, 'end' ) );\n\n\t\t\t// There could be some not mapped elements (eg. span in to-do list) but we need to insert\n\t\t\t// a nested list directly inside the li element.\n\t\t\tconst mappedViewAncestor = mapper.findMappedViewAncestor( insertPosition );\n\t\t\tconst nestedList = findNestedList( mappedViewAncestor );\n\n\t\t\t// If there already is some nested list, then use it's position.\n\t\t\tif ( nestedList ) {\n\t\t\t\tinsertPosition = viewWriter.createPositionBefore( nestedList );\n\t\t\t} else {\n\t\t\t\t// Else just put new list on the end of list item content.\n\t\t\t\tinsertPosition = viewWriter.createPositionAt( mappedViewAncestor, 'end' );\n\t\t\t}\n\t\t} else {\n\t\t\t// The previous item is not a list item (or does not exist at all).\n\t\t\t// Just map the position and insert the view item at the mapped position.\n\t\t\tinsertPosition = mapper.toViewPosition( model.createPositionBefore( modelItem ) );\n\t\t}\n\t}\n\n\tinsertPosition = positionAfterUiElements( insertPosition );\n\n\t// Insert the view item.\n\tviewWriter.insert( insertPosition, injectedList );\n\n\t// 2. Handle possible children of the injected model item.\n\tif ( prevItem && prevItem.name == 'listItem' ) {\n\t\tconst prevView = mapper.toViewElement( prevItem );\n\n\t\tconst walkerBoundaries = viewWriter.createRange( viewWriter.createPositionAt( prevView, 0 ), insertPosition );\n\t\tconst walker = walkerBoundaries.getWalker( { ignoreElementEnd: true } );\n\n\t\tfor ( const value of walker ) {\n\t\t\tif ( value.item.is( 'element', 'li' ) ) {\n\t\t\t\tconst breakPosition = viewWriter.breakContainer( viewWriter.createPositionBefore( value.item ) );\n\t\t\t\tconst viewList = value.item.parent;\n\n\t\t\t\tconst targetPosition = viewWriter.createPositionAt( injectedItem, 'end' );\n\t\t\t\tmergeViewLists( viewWriter, targetPosition.nodeBefore, targetPosition.nodeAfter );\n\t\t\t\tviewWriter.move( viewWriter.createRangeOn( viewList ), targetPosition );\n\n\t\t\t\twalker.position = breakPosition;\n\t\t\t}\n\t\t}\n\t} else {\n\t\tconst nextViewList = injectedList.nextSibling;\n\n\t\tif ( nextViewList && ( nextViewList.is( 'element', 'ul' ) || nextViewList.is( 'element', 'ol' ) ) ) {\n\t\t\tlet lastSubChild = null;\n\n\t\t\tfor ( const child of nextViewList.getChildren() ) {\n\t\t\t\tconst modelChild = mapper.toModelElement( child );\n\n\t\t\t\tif ( modelChild && modelChild.getAttribute( 'listIndent' ) > modelItem.getAttribute( 'listIndent' ) ) {\n\t\t\t\t\tlastSubChild = child;\n\t\t\t\t} else {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( lastSubChild ) {\n\t\t\t\tviewWriter.breakContainer( viewWriter.createPositionAfter( lastSubChild ) );\n\t\t\t\tviewWriter.move( viewWriter.createRangeOn( lastSubChild.parent ), viewWriter.createPositionAt( injectedItem, 'end' ) );\n\t\t\t}\n\t\t}\n\t}\n\n\t// Merge the inserted view list with its possible neighbor lists.\n\tmergeViewLists( viewWriter, injectedList, injectedList.nextSibling );\n\tmergeViewLists( viewWriter, injectedList.previousSibling, injectedList );\n}\n\n/**\n * Helper function that takes two parameters that are expected to be view list elements, and merges them.\n * The merge happens only if both parameters are list elements of the same type (the same element name and the same class attributes).\n *\n * @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter The writer instance.\n * @param {module:engine/view/item~Item} firstList The first element to compare.\n * @param {module:engine/view/item~Item} secondList The second element to compare.\n * @returns {module:engine/view/position~Position|null} The position after merge or `null` when there was no merge.\n */\nexport function mergeViewLists( viewWriter, firstList, secondList ) {\n\t// Check if two lists are going to be merged.\n\tif ( !firstList || !secondList || ( firstList.name != 'ul' && firstList.name != 'ol' ) ) {\n\t\treturn null;\n\t}\n\n\t// Both parameters are list elements, so compare types now.\n\tif ( firstList.name != secondList.name || firstList.getAttribute( 'class' ) !== secondList.getAttribute( 'class' ) ) {\n\t\treturn null;\n\t}\n\n\treturn viewWriter.mergeContainers( viewWriter.createPositionAfter( firstList ) );\n}\n\n/**\n * Helper function that for a given `view.Position`, returns a `view.Position` that is after all `view.UIElement`s that\n * are after the given position.\n *\n * For example:\n * `<container:p>foo^<ui:span></ui:span><ui:span></ui:span>bar</container:p>`\n * For position ^, the position before \"bar\" will be returned.\n *\n * @param {module:engine/view/position~Position} viewPosition\n * @returns {module:engine/view/position~Position}\n */\nexport function positionAfterUiElements( viewPosition ) {\n\treturn viewPosition.getLastMatchingPosition( value => value.item.is( 'uiElement' ) );\n}\n\n/**\n * Helper function that searches for a previous list item sibling of a given model item that meets the given criteria\n * passed by the options object.\n *\n * @param {module:engine/model/item~Item} modelItem\n * @param {Object} options Search criteria.\n * @param {Boolean} [options.sameIndent=false] Whether the sought sibling should have the same indentation.\n * @param {Boolean} [options.smallerIndent=false] Whether the sought sibling should have a smaller indentation.\n * @param {Number} [options.listIndent] The reference indentation.\n * @param {'forward'|'backward'} [options.direction='backward'] Walking direction.\n * @returns {module:engine/model/item~Item|null}\n */\nexport function getSiblingListItem( modelItem, options ) {\n\tconst sameIndent = !!options.sameIndent;\n\tconst smallerIndent = !!options.smallerIndent;\n\tconst indent = options.listIndent;\n\n\tlet item = modelItem;\n\n\twhile ( item && item.name == 'listItem' ) {\n\t\tconst itemIndent = item.getAttribute( 'listIndent' );\n\n\t\tif ( ( sameIndent && indent == itemIndent ) || ( smallerIndent && indent > itemIndent ) ) {\n\t\t\treturn item;\n\t\t}\n\n\t\tif ( options.direction === 'forward' ) {\n\t\t\titem = item.nextSibling;\n\t\t} else {\n\t\t\titem = item.previousSibling;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n/**\n * Helper method for creating a UI button and linking it with an appropriate command.\n *\n * @private\n * @param {module:core/editor/editor~Editor} editor The editor instance to which the UI component will be added.\n * @param {String} commandName The name of the command.\n * @param {String} label The button label.\n * @param {String} icon The source of the icon.\n */\nexport function createUIComponent( editor, commandName, label, icon ) {\n\teditor.ui.componentFactory.add( commandName, locale => {\n\t\tconst command = editor.commands.get( commandName );\n\t\tconst buttonView = new ButtonView( locale );\n\n\t\tbuttonView.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true,\n\t\t\tisToggleable: true\n\t\t} );\n\n\t\t// Bind button model to command.\n\t\tbuttonView.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' );\n\n\t\t// Execute command.\n\t\tbuttonView.on( 'execute', () => {\n\t\t\teditor.execute( commandName );\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\treturn buttonView;\n\t} );\n}\n\n/**\n * Returns a first list view element that is direct child of the given view element.\n *\n * @param {module:engine/view/element~Element} viewElement\n * @return {module:engine/view/element~Element|null}\n */\nexport function findNestedList( viewElement ) {\n\tfor ( const node of viewElement.getChildren() ) {\n\t\tif ( node.name == 'ul' || node.name == 'ol' ) {\n\t\t\treturn node;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n/**\n * Returns an array with all `listItem` elements that represent the same list.\n *\n * It means that values of `listIndent`, `listType`, `listStyle`, `listReversed` and `listStart` for all items are equal.\n *\n * @param {module:engine/model/position~Position} position Starting position.\n * @param {'forward'|'backward'} direction Walking direction.\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getSiblingNodes( position, direction ) {\n\tconst items = [];\n\tconst listItem = position.parent;\n\tconst walkerOptions = {\n\t\tignoreElementEnd: true,\n\t\tstartPosition: position,\n\t\tshallow: true,\n\t\tdirection\n\t};\n\tconst limitIndent = listItem.getAttribute( 'listIndent' );\n\tconst nodes = [ ...new TreeWalker( walkerOptions ) ]\n\t\t.filter( value => value.item.is( 'element' ) )\n\t\t.map( value => value.item );\n\n\tfor ( const element of nodes ) {\n\t\t// If found something else than `listItem`, we're out of the list scope.\n\t\tif ( !element.is( 'element', 'listItem' ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\t// If current parsed item has lower indent that element that the element that was a starting point,\n\t\t// it means we left a nested list. Abort searching items.\n\t\t//\n\t\t// ■ List item 1.       [listIndent=0]\n\t\t//     ○ List item 2.[] [listIndent=1], limitIndent = 1,\n\t\t//     ○ List item 3.   [listIndent=1]\n\t\t// ■ List item 4.       [listIndent=0]\n\t\t//\n\t\t// Abort searching when leave nested list.\n\t\tif ( element.getAttribute( 'listIndent' ) < limitIndent ) {\n\t\t\tbreak;\n\t\t}\n\n\t\t// ■ List item 1.[]     [listIndent=0] limitIndent = 0,\n\t\t//     ○ List item 2.   [listIndent=1]\n\t\t//     ○ List item 3.   [listIndent=1]\n\t\t// ■ List item 4.       [listIndent=0]\n\t\t//\n\t\t// Ignore nested lists.\n\t\tif ( element.getAttribute( 'listIndent' ) > limitIndent ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\t// ■ List item 1.[]  [listType=bulleted]\n\t\t// 1. List item 2.   [listType=numbered]\n\t\t// 2.List item 3.    [listType=numbered]\n\t\t//\n\t\t// Abort searching when found a different kind of a list.\n\t\tif ( element.getAttribute( 'listType' ) !== listItem.getAttribute( 'listType' ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\t// ■ List item 1.[]  [listType=bulleted]\n\t\t// ■ List item 2.    [listType=bulleted]\n\t\t// ○ List item 3.    [listType=bulleted]\n\t\t// ○ List item 4.    [listType=bulleted]\n\t\t//\n\t\t// Abort searching when found a different list style,\n\t\tif ( element.getAttribute( 'listStyle' ) !== listItem.getAttribute( 'listStyle' ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\t// ... different direction\n\t\tif ( element.getAttribute( 'listReversed' ) !== listItem.getAttribute( 'listReversed' ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\t// ... and different start index\n\t\tif ( element.getAttribute( 'listStart' ) !== listItem.getAttribute( 'listStart' ) ) {\n\t\t\tbreak;\n\t\t}\n\n\t\tif ( direction === 'backward' ) {\n\t\t\titems.unshift( element );\n\t\t} else {\n\t\t\titems.push( element );\n\t\t}\n\t}\n\n\treturn items;\n}\n\n/**\n * Returns an array with all `listItem` elements in the model selection.\n *\n * It returns all the items even if only part of the list is selected, including items that belong to nested lists.\n * If no list is selected, returns an empty array.\n * The order of elements is not specified.\n *\n * @protected\n * @param {module:engine/model/model~Model} model\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getSelectedListItems( model ) {\n\tconst document = model.document;\n\n\t// For all selected blocks find all list items that are being selected\n\t// and update the `listStyle` attribute in those lists.\n\tlet listItems = [ ...document.selection.getSelectedBlocks() ]\n\t\t.filter( element => element.is( 'element', 'listItem' ) )\n\t\t.map( element => {\n\t\t\tconst position = model.change( writer => writer.createPositionAt( element, 0 ) );\n\n\t\t\treturn [\n\t\t\t\t...getSiblingNodes( position, 'backward' ),\n\t\t\t\t...getSiblingNodes( position, 'forward' )\n\t\t\t];\n\t\t} )\n\t\t.flat();\n\n\t// Since `getSelectedBlocks()` can return items that belong to the same list, and\n\t// `getSiblingNodes()` returns the entire list, we need to remove duplicated items.\n\tlistItems = [ ...new Set( listItems ) ];\n\n\treturn listItems;\n}\n\n// Implementation of getFillerOffset for view list item element.\n//\n// @returns {Number|null} Block filler offset or `null` if block filler is not needed.\nfunction getListItemFillerOffset() {\n\tconst hasOnlyLists = !this.isEmpty && ( this.getChild( 0 ).name == 'ul' || this.getChild( 0 ).name == 'ol' );\n\n\tif ( this.isEmpty || hasOnlyLists ) {\n\t\treturn 0;\n\t}\n\n\treturn getFillerOffset.call( this );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/converters\n */\n\nimport { TreeWalker } from 'ckeditor5/src/engine';\n\nimport {\n\tgenerateLiInUl,\n\tinjectViewList,\n\tmergeViewLists,\n\tgetSiblingListItem,\n\tpositionAfterUiElements\n} from './utils';\n\n/**\n * A model-to-view converter for the `listItem` model element insertion.\n *\n * It creates a `<ul><li></li><ul>` (or `<ol>`) view structure out of a `listItem` model element, inserts it at the correct\n * position, and merges the list with surrounding lists (if available).\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewInsertion( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst consumable = conversionApi.consumable;\n\n\t\tif ( !consumable.test( data.item, 'insert' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listType' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listIndent' )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\tconsumable.consume( data.item, 'insert' );\n\t\tconsumable.consume( data.item, 'attribute:listType' );\n\t\tconsumable.consume( data.item, 'attribute:listIndent' );\n\n\t\tconst modelItem = data.item;\n\t\tconst viewItem = generateLiInUl( modelItem, conversionApi );\n\n\t\tinjectViewList( modelItem, viewItem, conversionApi, model );\n\t};\n}\n\n/**\n * A model-to-view converter for the `listItem` model element removal.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:remove\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewRemove( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.position );\n\t\tconst viewStart = viewPosition.getLastMatchingPosition( value => !value.item.is( 'element', 'li' ) );\n\t\tconst viewItem = viewStart.nodeAfter;\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\t// 1. Break the container after and before the list item.\n\t\t// This will create a view list with one view list item - the one to remove.\n\t\tviewWriter.breakContainer( viewWriter.createPositionBefore( viewItem ) );\n\t\tviewWriter.breakContainer( viewWriter.createPositionAfter( viewItem ) );\n\n\t\t// 2. Remove the list with the item to remove.\n\t\tconst viewList = viewItem.parent;\n\t\tconst viewListPrev = viewList.previousSibling;\n\t\tconst removeRange = viewWriter.createRangeOn( viewList );\n\t\tconst removed = viewWriter.remove( removeRange );\n\n\t\t// 3. Merge the whole created by breaking and removing the list.\n\t\tif ( viewListPrev && viewListPrev.nextSibling ) {\n\t\t\tmergeViewLists( viewWriter, viewListPrev, viewListPrev.nextSibling );\n\t\t}\n\n\t\t// 4. Bring back nested list that was in the removed <li>.\n\t\tconst modelItem = conversionApi.mapper.toModelElement( viewItem );\n\n\t\thoistNestedLists( modelItem.getAttribute( 'listIndent' ) + 1, data.position, removeRange.start, viewItem, conversionApi, model );\n\n\t\t// 5. Unbind removed view item and all children.\n\t\tfor ( const child of viewWriter.createRangeIn( removed ).getItems() ) {\n\t\t\tconversionApi.mapper.unbindViewElement( child );\n\t\t}\n\n\t\tevt.stop();\n\t};\n}\n\n/**\n * A model-to-view converter for the `type` attribute change on the `listItem` model element.\n *\n * This change means that the `<li>` element parent changes from `<ul>` to `<ol>` (or vice versa). This is accomplished\n * by breaking view elements and changing their name. The next {@link module:list/converters~modelViewMergeAfterChangeType}\n * converter will attempt to merge split nodes.\n *\n * Splitting this conversion into 2 steps makes it possible to add an additional conversion in the middle.\n * Check {@link module:list/todolistconverters~modelViewChangeType} to see an example of it.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface.\n */\nexport function modelViewChangeType( evt, data, conversionApi ) {\n\tif ( !conversionApi.consumable.consume( data.item, 'attribute:listType' ) ) {\n\t\treturn;\n\t}\n\n\tconst viewItem = conversionApi.mapper.toViewElement( data.item );\n\tconst viewWriter = conversionApi.writer;\n\n\t// Break the container after and before the list item.\n\t// This will create a view list with one view list item -- the one that changed type.\n\tviewWriter.breakContainer( viewWriter.createPositionBefore( viewItem ) );\n\tviewWriter.breakContainer( viewWriter.createPositionAfter( viewItem ) );\n\n\t// Change name of the view list that holds the changed view item.\n\t// We cannot just change name property, because that would not render properly.\n\tconst viewList = viewItem.parent;\n\tconst listName = data.attributeNewValue == 'numbered' ? 'ol' : 'ul';\n\n\tviewWriter.rename( listName, viewList );\n}\n\n/**\n * A model-to-view converter that attempts to merge nodes split by {@link module:list/converters~modelViewChangeType}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface.\n */\nexport function modelViewMergeAfterChangeType( evt, data, conversionApi ) {\n\tconst viewItem = conversionApi.mapper.toViewElement( data.item );\n\tconst viewList = viewItem.parent;\n\tconst viewWriter = conversionApi.writer;\n\n\t// Merge the changed view list with other lists, if possible.\n\tmergeViewLists( viewWriter, viewList, viewList.nextSibling );\n\tmergeViewLists( viewWriter, viewList.previousSibling, viewList );\n\n\t// Consumable insertion of children inside the item. They are already handled by re-building the item in view.\n\tfor ( const child of data.item.getChildren() ) {\n\t\tconversionApi.consumable.consume( child, 'insert' );\n\t}\n}\n\n/**\n * A model-to-view converter for the `listIndent` attribute change on the `listItem` model element.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewChangeIndent( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tif ( !conversionApi.consumable.consume( data.item, 'attribute:listIndent' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewItem = conversionApi.mapper.toViewElement( data.item );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\t// 1. Break the container after and before the list item.\n\t\t// This will create a view list with one view list item -- the one that changed type.\n\t\tviewWriter.breakContainer( viewWriter.createPositionBefore( viewItem ) );\n\t\tviewWriter.breakContainer( viewWriter.createPositionAfter( viewItem ) );\n\n\t\t// 2. Extract view list with changed view list item and merge \"hole\" possibly created by breaking and removing elements.\n\t\tconst viewList = viewItem.parent;\n\t\tconst viewListPrev = viewList.previousSibling;\n\t\tconst removeRange = viewWriter.createRangeOn( viewList );\n\t\tviewWriter.remove( removeRange );\n\n\t\tif ( viewListPrev && viewListPrev.nextSibling ) {\n\t\t\tmergeViewLists( viewWriter, viewListPrev, viewListPrev.nextSibling );\n\t\t}\n\n\t\t// 3. Bring back nested list that was in the removed <li>.\n\t\thoistNestedLists( data.attributeOldValue + 1, data.range.start, removeRange.start, viewItem, conversionApi, model );\n\n\t\t// 4. Inject view list like it is newly inserted.\n\t\tinjectViewList( data.item, viewItem, conversionApi, model );\n\n\t\t// 5. Consume insertion of children inside the item. They are already handled by re-building the item in view.\n\t\tfor ( const child of data.item.getChildren() ) {\n\t\t\tconversionApi.consumable.consume( child, 'insert' );\n\t\t}\n\t};\n}\n\n/**\n * A special model-to-view converter introduced by the {@link module:list/list~List list feature}. This converter is fired for\n * insert change of every model item, and should be fired before the actual converter. The converter checks whether the inserted\n * model item is a non-`listItem` element. If it is, and it is inserted inside a view list, the converter breaks the\n * list so the model element is inserted to the view parent element corresponding to its model parent element.\n *\n * The converter prevents such situations:\n *\n *\t\t// Model:                        // View:\n *\t\t<listItem>foo</listItem>         <ul>\n *\t\t<listItem>bar</listItem>             <li>foo</li>\n *\t\t                                     <li>bar</li>\n *\t\t                                 </ul>\n *\n *\t\t// After change:                 // Correct view guaranteed by this converter:\n *\t\t<listItem>foo</listItem>         <ul><li>foo</li></ul><p>xxx</p><ul><li>bar</li></ul>\n *\t\t<paragraph>xxx</paragraph>       // Instead of this wrong view state:\n *\t\t<listItem>bar</listItem>         <ul><li>foo</li><p>xxx</p><li>bar</li></ul>\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface.\n */\nexport function modelViewSplitOnInsert( evt, data, conversionApi ) {\n\tif ( data.item.name != 'listItem' ) {\n\t\tlet viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst lists = [];\n\n\t\t// Break multiple ULs/OLs if there are.\n\t\t//\n\t\t// Imagine following list:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//     1.1.1 --------\n\t\t//     1.1.2 --------\n\t\t//     1.1.3 --------\n\t\t//       1.1.3.1 --------\n\t\t//   1.2 --------\n\t\t//     1.2.1 --------\n\t\t// 2 --------\n\t\t//\n\t\t// Insert paragraph after item 1.1.1:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//     1.1.1 --------\n\t\t//\n\t\t// Lorem ipsum.\n\t\t//\n\t\t//     1.1.2 --------\n\t\t//     1.1.3 --------\n\t\t//       1.1.3.1 --------\n\t\t//   1.2 --------\n\t\t//     1.2.1 --------\n\t\t// 2 --------\n\t\t//\n\t\t// In this case 1.1.2 has to become beginning of a new list.\n\t\t// We need to break list before 1.1.2 (obvious), then we need to break list also before 1.2.\n\t\t// Then we need to move those broken pieces one after another and merge:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//     1.1.1 --------\n\t\t//\n\t\t// Lorem ipsum.\n\t\t//\n\t\t// 1.1.2 --------\n\t\t//   1.1.3 --------\n\t\t//     1.1.3.1 --------\n\t\t// 1.2 --------\n\t\t//   1.2.1 --------\n\t\t// 2 --------\n\t\t//\n\t\twhile ( viewPosition.parent.name == 'ul' || viewPosition.parent.name == 'ol' ) {\n\t\t\tviewPosition = viewWriter.breakContainer( viewPosition );\n\n\t\t\tif ( viewPosition.parent.name != 'li' ) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\t// Remove lists that are after inserted element.\n\t\t\t// They will be brought back later, below the inserted element.\n\t\t\tconst removeStart = viewPosition;\n\t\t\tconst removeEnd = viewWriter.createPositionAt( viewPosition.parent, 'end' );\n\n\t\t\t// Don't remove if there is nothing to remove.\n\t\t\tif ( !removeStart.isEqual( removeEnd ) ) {\n\t\t\t\tconst removed = viewWriter.remove( viewWriter.createRange( removeStart, removeEnd ) );\n\t\t\t\tlists.push( removed );\n\t\t\t}\n\n\t\t\tviewPosition = viewWriter.createPositionAfter( viewPosition.parent );\n\t\t}\n\n\t\t// Bring back removed lists.\n\t\tif ( lists.length > 0 ) {\n\t\t\tfor ( let i = 0; i < lists.length; i++ ) {\n\t\t\t\tconst previousList = viewPosition.nodeBefore;\n\t\t\t\tconst insertedRange = viewWriter.insert( viewPosition, lists[ i ] );\n\t\t\t\tviewPosition = insertedRange.end;\n\n\t\t\t\t// Don't merge first list! We want a split in that place (this is why this converter is introduced).\n\t\t\t\tif ( i > 0 ) {\n\t\t\t\t\tconst mergePos = mergeViewLists( viewWriter, previousList, previousList.nextSibling );\n\n\t\t\t\t\t// If `mergePos` is in `previousList` it means that the lists got merged.\n\t\t\t\t\t// In this case, we need to fix insert position.\n\t\t\t\t\tif ( mergePos && mergePos.parent == previousList ) {\n\t\t\t\t\t\tviewPosition.offset--;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Merge last inserted list with element after it.\n\t\t\tmergeViewLists( viewWriter, viewPosition.nodeBefore, viewPosition.nodeAfter );\n\t\t}\n\t}\n}\n\n/**\n * A special model-to-view converter introduced by the {@link module:list/list~List list feature}. This converter takes care of\n * merging view lists after something is removed or moved from near them.\n *\n * Example:\n *\n *\t\t// Model:                        // View:\n *\t\t<listItem>foo</listItem>         <ul><li>foo</li></ul>\n *\t\t<paragraph>xxx</paragraph>       <p>xxx</p>\n *\t\t<listItem>bar</listItem>         <ul><li>bar</li></ul>\n *\n *\t\t// After change:                 // Correct view guaranteed by this converter:\n *\t\t<listItem>foo</listItem>         <ul>\n *\t\t<listItem>bar</listItem>             <li>foo</li>\n *\t\t                                     <li>bar</li>\n *\t\t                                 </ul>\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:remove\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data Additional information about the change.\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi Conversion interface.\n */\nexport function modelViewMergeAfter( evt, data, conversionApi ) {\n\tconst viewPosition = conversionApi.mapper.toViewPosition( data.position );\n\tconst viewItemPrev = viewPosition.nodeBefore;\n\tconst viewItemNext = viewPosition.nodeAfter;\n\n\t// Merge lists if something (remove, move) was done from inside of list.\n\t// Merging will be done only if both items are view lists of the same type.\n\t// The check is done inside the helper function.\n\tmergeViewLists( conversionApi.writer, viewItemPrev, viewItemNext );\n}\n\n/**\n * A view-to-model converter that converts the `<li>` view elements into the `listItem` model elements.\n *\n * To set correct values of the `listType` and `listIndent` attributes the converter:\n * * checks `<li>`'s parent,\n * * stores and increases the `conversionApi.store.indent` value when `<li>`'s sub-items are converted.\n *\n * @see module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data An object containing conversion input and a placeholder for conversion output and possibly other values.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n */\nexport function viewModelConverter( evt, data, conversionApi ) {\n\tif ( conversionApi.consumable.consume( data.viewItem, { name: true } ) ) {\n\t\tconst writer = conversionApi.writer;\n\n\t\t// 1. Create `listItem` model element.\n\t\tconst listItem = writer.createElement( 'listItem' );\n\n\t\t// 2. Handle `listItem` model element attributes.\n\t\tconst indent = getIndent( data.viewItem );\n\n\t\twriter.setAttribute( 'listIndent', indent, listItem );\n\n\t\t// Set 'bulleted' as default. If this item is pasted into a context,\n\t\tconst type = data.viewItem.parent && data.viewItem.parent.name == 'ol' ? 'numbered' : 'bulleted';\n\t\twriter.setAttribute( 'listType', type, listItem );\n\n\t\tif ( !conversionApi.safeInsert( listItem, data.modelCursor ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst nextPosition = viewToModelListItemChildrenConverter( listItem, data.viewItem.getChildren(), conversionApi );\n\n\t\t// Result range starts before the first item and ends after the last.\n\t\tdata.modelRange = writer.createRange( data.modelCursor, nextPosition );\n\n\t\tconversionApi.updateConversionResult( listItem, data );\n\t}\n}\n\n/**\n * A view-to-model converter for the `<ul>` and `<ol>` view elements that cleans the input view of garbage.\n * This is mostly to clean whitespaces from between the `<li>` view elements inside the view list element, however, also\n * incorrect data can be cleared if the view was incorrect.\n *\n * @see module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data An object containing conversion input and a placeholder for conversion output and possibly other values.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n */\nexport function cleanList( evt, data, conversionApi ) {\n\tif ( conversionApi.consumable.test( data.viewItem, { name: true } ) ) {\n\t\t// Caching children because when we start removing them iterating fails.\n\t\tconst children = Array.from( data.viewItem.getChildren() );\n\n\t\tfor ( const child of children ) {\n\t\t\tconst isWrongElement = !( child.is( 'element', 'li' ) || isList( child ) );\n\n\t\t\tif ( isWrongElement ) {\n\t\t\t\tchild._remove();\n\t\t\t}\n\t\t}\n\t}\n}\n\n/**\n * A view-to-model converter for the `<li>` elements that cleans whitespace formatting from the input view.\n *\n * @see module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data An object containing conversion input and a placeholder for conversion output and possibly other values.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n */\nexport function cleanListItem( evt, data, conversionApi ) {\n\tif ( conversionApi.consumable.test( data.viewItem, { name: true } ) ) {\n\t\tif ( data.viewItem.childCount === 0 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst children = [ ...data.viewItem.getChildren() ];\n\n\t\tlet foundList = false;\n\n\t\tfor ( const child of children ) {\n\t\t\tif ( foundList && !isList( child ) ) {\n\t\t\t\tchild._remove();\n\t\t\t}\n\n\t\t\tif ( isList( child ) ) {\n\t\t\t\t// If this is a <ul> or <ol>, do not process it, just mark that we already visited list element.\n\t\t\t\tfoundList = true;\n\t\t\t}\n\t\t}\n\t}\n}\n\n/**\n * Returns a callback for model position to view position mapping for {@link module:engine/conversion/mapper~Mapper}. The callback fixes\n * positions between the `listItem` elements that would be incorrectly mapped because of how list items are represented in the model\n * and in the view.\n *\n * @see module:engine/conversion/mapper~Mapper#event:modelToViewPosition\n * @param {module:engine/view/view~View} view A view instance.\n * @returns {Function}\n */\nexport function modelToViewPosition( view ) {\n\treturn ( evt, data ) => {\n\t\tif ( data.isPhantom ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelItem = data.modelPosition.nodeBefore;\n\n\t\tif ( modelItem && modelItem.is( 'element', 'listItem' ) ) {\n\t\t\tconst viewItem = data.mapper.toViewElement( modelItem );\n\t\t\tconst topmostViewList = viewItem.getAncestors().find( isList );\n\t\t\tconst walker = view.createPositionAt( viewItem, 0 ).getWalker();\n\n\t\t\tfor ( const value of walker ) {\n\t\t\t\tif ( value.type == 'elementStart' && value.item.is( 'element', 'li' ) ) {\n\t\t\t\t\tdata.viewPosition = value.previousPosition;\n\n\t\t\t\t\tbreak;\n\t\t\t\t} else if ( value.type == 'elementEnd' && value.item == topmostViewList ) {\n\t\t\t\t\tdata.viewPosition = value.nextPosition;\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n/**\n * The callback for view position to model position mapping for {@link module:engine/conversion/mapper~Mapper}. The callback fixes\n * positions between the `<li>` elements that would be incorrectly mapped because of how list items are represented in the model\n * and in the view.\n *\n * @see module:engine/conversion/mapper~Mapper#event:viewToModelPosition\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function viewToModelPosition( model ) {\n\treturn ( evt, data ) => {\n\t\tconst viewPos = data.viewPosition;\n\t\tconst viewParent = viewPos.parent;\n\t\tconst mapper = data.mapper;\n\n\t\tif ( viewParent.name == 'ul' || viewParent.name == 'ol' ) {\n\t\t\t// Position is directly in <ul> or <ol>.\n\t\t\tif ( !viewPos.isAtEnd ) {\n\t\t\t\t// If position is not at the end, it must be before <li>.\n\t\t\t\t// Get that <li>, map it to `listItem` and set model position before that `listItem`.\n\t\t\t\tconst modelNode = mapper.toModelElement( viewPos.nodeAfter );\n\n\t\t\t\tdata.modelPosition = model.createPositionBefore( modelNode );\n\t\t\t} else {\n\t\t\t\t// Position is at the end of <ul> or <ol>, so there is no <li> after it to be mapped.\n\t\t\t\t// There is <li> before the position, but we cannot just map it to `listItem` and set model position after it,\n\t\t\t\t// because that <li> may contain nested items.\n\t\t\t\t// We will check \"model length\" of that <li>, in other words - how many `listItem`s are in that <li>.\n\t\t\t\tconst modelNode = mapper.toModelElement( viewPos.nodeBefore );\n\t\t\t\tconst modelLength = mapper.getModelLength( viewPos.nodeBefore );\n\n\t\t\t\t// Then we get model position before mapped `listItem` and shift it accordingly.\n\t\t\t\tdata.modelPosition = model.createPositionBefore( modelNode ).getShiftedBy( modelLength );\n\t\t\t}\n\n\t\t\tevt.stop();\n\t\t} else if (\n\t\t\tviewParent.name == 'li' &&\n\t\t\tviewPos.nodeBefore &&\n\t\t\t( viewPos.nodeBefore.name == 'ul' || viewPos.nodeBefore.name == 'ol' )\n\t\t) {\n\t\t\t// In most cases when view position is in <li> it is in text and this is a correct position.\n\t\t\t// However, if position is after <ul> or <ol> we have to fix it -- because in model <ul>/<ol> are not in the `listItem`.\n\t\t\tconst modelNode = mapper.toModelElement( viewParent );\n\n\t\t\t// Check all <ul>s and <ol>s that are in the <li> but before mapped position.\n\t\t\t// Get model length of those elements and then add it to the offset of `listItem` mapped to the original <li>.\n\t\t\tlet modelLength = 1; // Starts from 1 because the original <li> has to be counted in too.\n\t\t\tlet viewList = viewPos.nodeBefore;\n\n\t\t\twhile ( viewList && isList( viewList ) ) {\n\t\t\t\tmodelLength += mapper.getModelLength( viewList );\n\n\t\t\t\tviewList = viewList.previousSibling;\n\t\t\t}\n\n\t\t\tdata.modelPosition = model.createPositionBefore( modelNode ).getShiftedBy( modelLength );\n\n\t\t\tevt.stop();\n\t\t}\n\t};\n}\n\n/**\n * Post-fixer that reacts to changes on document and fixes incorrect model states.\n *\n * In the example below, there is a correct list structure.\n * Then the middle element is removed so the list structure will become incorrect:\n *\n *\t\t<listItem listType=\"bulleted\" listIndent=0>Item 1</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=1>Item 2</listItem>   <--- this is removed.\n *\t\t<listItem listType=\"bulleted\" listIndent=2>Item 3</listItem>\n *\n * The list structure after the middle element is removed:\n *\n * \t\t<listItem listType=\"bulleted\" listIndent=0>Item 1</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=2>Item 3</listItem>\n *\n * Should become:\n *\n *\t\t<listItem listType=\"bulleted\" listIndent=0>Item 1</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=1>Item 3</listItem>   <--- note that indent got post-fixed.\n *\n * @param {module:engine/model/model~Model} model The data model.\n * @param {module:engine/model/writer~Writer} writer The writer to do changes with.\n * @returns {Boolean} `true` if any change has been applied, `false` otherwise.\n */\nexport function modelChangePostFixer( model, writer ) {\n\tconst changes = model.document.differ.getChanges();\n\tconst itemToListHead = new Map();\n\n\tlet applied = false;\n\n\tfor ( const entry of changes ) {\n\t\tif ( entry.type == 'insert' && entry.name == 'listItem' ) {\n\t\t\t_addListToFix( entry.position );\n\t\t} else if ( entry.type == 'insert' && entry.name != 'listItem' ) {\n\t\t\tif ( entry.name != '$text' ) {\n\t\t\t\t// In case of renamed element.\n\t\t\t\tconst item = entry.position.nodeAfter;\n\n\t\t\t\tif ( item.hasAttribute( 'listIndent' ) ) {\n\t\t\t\t\twriter.removeAttribute( 'listIndent', item );\n\n\t\t\t\t\tapplied = true;\n\t\t\t\t}\n\n\t\t\t\tif ( item.hasAttribute( 'listType' ) ) {\n\t\t\t\t\twriter.removeAttribute( 'listType', item );\n\n\t\t\t\t\tapplied = true;\n\t\t\t\t}\n\n\t\t\t\tif ( item.hasAttribute( 'listStyle' ) ) {\n\t\t\t\t\twriter.removeAttribute( 'listStyle', item );\n\n\t\t\t\t\tapplied = true;\n\t\t\t\t}\n\n\t\t\t\tif ( item.hasAttribute( 'listReversed' ) ) {\n\t\t\t\t\twriter.removeAttribute( 'listReversed', item );\n\n\t\t\t\t\tapplied = true;\n\t\t\t\t}\n\n\t\t\t\tif ( item.hasAttribute( 'listStart' ) ) {\n\t\t\t\t\twriter.removeAttribute( 'listStart', item );\n\n\t\t\t\t\tapplied = true;\n\t\t\t\t}\n\n\t\t\t\tfor ( const innerItem of Array.from( model.createRangeIn( item ) ).filter( e => e.item.is( 'element', 'listItem' ) ) ) {\n\t\t\t\t\t_addListToFix( innerItem.previousPosition );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst posAfter = entry.position.getShiftedBy( entry.length );\n\n\t\t\t_addListToFix( posAfter );\n\t\t} else if ( entry.type == 'remove' && entry.name == 'listItem' ) {\n\t\t\t_addListToFix( entry.position );\n\t\t} else if ( entry.type == 'attribute' && entry.attributeKey == 'listIndent' ) {\n\t\t\t_addListToFix( entry.range.start );\n\t\t} else if ( entry.type == 'attribute' && entry.attributeKey == 'listType' ) {\n\t\t\t_addListToFix( entry.range.start );\n\t\t}\n\t}\n\n\tfor ( const listHead of itemToListHead.values() ) {\n\t\t_fixListIndents( listHead );\n\t\t_fixListTypes( listHead );\n\t}\n\n\treturn applied;\n\n\tfunction _addListToFix( position ) {\n\t\tconst previousNode = position.nodeBefore;\n\n\t\tif ( !previousNode || !previousNode.is( 'element', 'listItem' ) ) {\n\t\t\tconst item = position.nodeAfter;\n\n\t\t\tif ( item && item.is( 'element', 'listItem' ) ) {\n\t\t\t\titemToListHead.set( item, item );\n\t\t\t}\n\t\t} else {\n\t\t\tlet listHead = previousNode;\n\n\t\t\tif ( itemToListHead.has( listHead ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tfor (\n\t\t\t\t// Cache previousSibling and reuse for performance reasons. See #6581.\n\t\t\t\tlet previousSibling = listHead.previousSibling;\n\t\t\t\tpreviousSibling && previousSibling.is( 'element', 'listItem' );\n\t\t\t\tpreviousSibling = listHead.previousSibling\n\t\t\t) {\n\t\t\t\tlistHead = previousSibling;\n\n\t\t\t\tif ( itemToListHead.has( listHead ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\titemToListHead.set( previousNode, listHead );\n\t\t}\n\t}\n\n\tfunction _fixListIndents( item ) {\n\t\tlet maxIndent = 0;\n\t\tlet fixBy = null;\n\n\t\twhile ( item && item.is( 'element', 'listItem' ) ) {\n\t\t\tconst itemIndent = item.getAttribute( 'listIndent' );\n\n\t\t\tif ( itemIndent > maxIndent ) {\n\t\t\t\tlet newIndent;\n\n\t\t\t\tif ( fixBy === null ) {\n\t\t\t\t\tfixBy = itemIndent - maxIndent;\n\t\t\t\t\tnewIndent = maxIndent;\n\t\t\t\t} else {\n\t\t\t\t\tif ( fixBy > itemIndent ) {\n\t\t\t\t\t\tfixBy = itemIndent;\n\t\t\t\t\t}\n\n\t\t\t\t\tnewIndent = itemIndent - fixBy;\n\t\t\t\t}\n\n\t\t\t\twriter.setAttribute( 'listIndent', newIndent, item );\n\n\t\t\t\tapplied = true;\n\t\t\t} else {\n\t\t\t\tfixBy = null;\n\t\t\t\tmaxIndent = item.getAttribute( 'listIndent' ) + 1;\n\t\t\t}\n\n\t\t\titem = item.nextSibling;\n\t\t}\n\t}\n\n\tfunction _fixListTypes( item ) {\n\t\tlet typesStack = [];\n\t\tlet prev = null;\n\n\t\twhile ( item && item.is( 'element', 'listItem' ) ) {\n\t\t\tconst itemIndent = item.getAttribute( 'listIndent' );\n\n\t\t\tif ( prev && prev.getAttribute( 'listIndent' ) > itemIndent ) {\n\t\t\t\ttypesStack = typesStack.slice( 0, itemIndent + 1 );\n\t\t\t}\n\n\t\t\tif ( itemIndent != 0 ) {\n\t\t\t\tif ( typesStack[ itemIndent ] ) {\n\t\t\t\t\tconst type = typesStack[ itemIndent ];\n\n\t\t\t\t\tif ( item.getAttribute( 'listType' ) != type ) {\n\t\t\t\t\t\twriter.setAttribute( 'listType', type, item );\n\n\t\t\t\t\t\tapplied = true;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\ttypesStack[ itemIndent ] = item.getAttribute( 'listType' );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tprev = item;\n\t\t\titem = item.nextSibling;\n\t\t}\n\t}\n}\n\n/**\n * A fixer for pasted content that includes list items.\n *\n * It fixes indentation of pasted list items so the pasted items match correctly to the context they are pasted into.\n *\n * Example:\n *\n *\t\t<listItem listType=\"bulleted\" listIndent=0>A</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=1>B^</listItem>\n *\t\t// At ^ paste:  <listItem listType=\"bulleted\" listIndent=4>X</listItem>\n *\t\t//              <listItem listType=\"bulleted\" listIndent=5>Y</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=2>C</listItem>\n *\n * Should become:\n *\n *\t\t<listItem listType=\"bulleted\" listIndent=0>A</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=1>BX</listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=2>Y/listItem>\n *\t\t<listItem listType=\"bulleted\" listIndent=2>C</listItem>\n *\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Array} args Arguments of {@link module:engine/model/model~Model#insertContent}.\n */\nexport function modelIndentPasteFixer( evt, [ content, selectable ] ) {\n\t// Check whether inserted content starts from a `listItem`. If it does not, it means that there are some other\n\t// elements before it and there is no need to fix indents, because even if we insert that content into a list,\n\t// that list will be broken.\n\t// Note: we also need to handle singular elements because inserting item with indent 0 into 0,1,[],2\n\t// would create incorrect model.\n\tlet item = content.is( 'documentFragment' ) ? content.getChild( 0 ) : content;\n\n\tlet selection;\n\n\tif ( !selectable ) {\n\t\tselection = this.document.selection;\n\t} else {\n\t\tselection = this.createSelection( selectable );\n\t}\n\n\tif ( item && item.is( 'element', 'listItem' ) ) {\n\t\t// Get a reference list item. Inserted list items will be fixed according to that item.\n\t\tconst pos = selection.getFirstPosition();\n\t\tlet refItem = null;\n\n\t\tif ( pos.parent.is( 'element', 'listItem' ) ) {\n\t\t\trefItem = pos.parent;\n\t\t} else if ( pos.nodeBefore && pos.nodeBefore.is( 'element', 'listItem' ) ) {\n\t\t\trefItem = pos.nodeBefore;\n\t\t}\n\n\t\t// If there is `refItem` it means that we do insert list items into an existing list.\n\t\tif ( refItem ) {\n\t\t\t// First list item in `data` has indent equal to 0 (it is a first list item). It should have indent equal\n\t\t\t// to the indent of reference item. We have to fix the first item and all of it's children and following siblings.\n\t\t\t// Indent of all those items has to be adjusted to reference item.\n\t\t\tconst indentChange = refItem.getAttribute( 'listIndent' );\n\n\t\t\t// Fix only if there is anything to fix.\n\t\t\tif ( indentChange > 0 ) {\n\t\t\t\t// Adjust indent of all \"first\" list items in inserted data.\n\t\t\t\twhile ( item && item.is( 'element', 'listItem' ) ) {\n\t\t\t\t\titem._setAttribute( 'listIndent', item.getAttribute( 'listIndent' ) + indentChange );\n\n\t\t\t\t\titem = item.nextSibling;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Helper function that converts children of a given `<li>` view element into corresponding model elements.\n// The function maintains proper order of elements if model `listItem` is split during the conversion\n// due to block children conversion.\n//\n// @param {module:engine/model/element~Element} listItemModel List item model element to which converted children will be inserted.\n// @param {Iterable.<module:engine/view/node~Node>} viewChildren View elements which will be converted.\n// @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n// @returns {module:engine/model/position~Position} Position on which next elements should be inserted after children conversion.\nfunction viewToModelListItemChildrenConverter( listItemModel, viewChildren, conversionApi ) {\n\tconst { writer, schema } = conversionApi;\n\n\t// A position after the last inserted `listItem`.\n\tlet nextPosition = writer.createPositionAfter( listItemModel );\n\n\t// Check all children of the converted `<li>`. At this point we assume there are no \"whitespace\" view text nodes\n\t// in view list, between view list items. This should be handled by `<ul>` and `<ol>` converters.\n\tfor ( const child of viewChildren ) {\n\t\tif ( child.name == 'ul' || child.name == 'ol' ) {\n\t\t\t// If the children is a list, we will insert its conversion result after currently handled `listItem`.\n\t\t\t// Then, next insertion position will be set after all the new list items (and maybe other elements if\n\t\t\t// something split list item).\n\t\t\t//\n\t\t\t// If this is a list, we expect that some `listItem`s and possibly other blocks will be inserted, however `.modelCursor`\n\t\t\t// should be set after last `listItem` (or block). This is why it feels safe to use it as `nextPosition`\n\t\t\tnextPosition = conversionApi.convertItem( child, nextPosition ).modelCursor;\n\t\t} else {\n\t\t\t// If this is not a list, try inserting content at the end of the currently handled `listItem`.\n\t\t\tconst result = conversionApi.convertItem( child, writer.createPositionAt( listItemModel, 'end' ) );\n\n\t\t\t// It may end up that the current `listItem` becomes split (if that content cannot be inside `listItem`). For example:\n\t\t\t//\n\t\t\t// <li><p>Foo</p></li>\n\t\t\t//\n\t\t\t// will be converted to:\n\t\t\t//\n\t\t\t// <listItem></listItem><paragraph>Foo</paragraph><listItem></listItem>\n\t\t\t//\n\t\t\tconst convertedChild = result.modelRange.start.nodeAfter;\n\t\t\tconst wasSplit = convertedChild && convertedChild.is( 'element' ) && !schema.checkChild( listItemModel, convertedChild.name );\n\n\t\t\tif ( wasSplit ) {\n\t\t\t\t// As `lastListItem` got split, we need to update it to the second part of the split `listItem` element.\n\t\t\t\t//\n\t\t\t\t// `modelCursor` should be set to a position where the conversion should continue. There are multiple possible scenarios\n\t\t\t\t// that may happen. Usually, `modelCursor` (marked as `#` below) would point to the second list item after conversion:\n\t\t\t\t//\n\t\t\t\t//\t\t`<li><p>Foo</p></li>` -> `<listItem></listItem><paragraph>Foo</paragraph><listItem>#</listItem>`\n\t\t\t\t//\n\t\t\t\t// However, in some cases, like auto-paragraphing, the position is placed at the end of the block element:\n\t\t\t\t//\n\t\t\t\t//\t\t`<li><div>Foo</div></li>` -> `<listItem></listItem><paragraph>Foo#</paragraph><listItem></listItem>`\n\t\t\t\t//\n\t\t\t\t// or after an element if another element broken auto-paragraphed element:\n\t\t\t\t//\n\t\t\t\t//\t\t`<li><div><h2>Foo</h2></div></li>` -> `<listItem></listItem><heading1>Foo</heading1>#<listItem></listItem>`\n\t\t\t\t//\n\t\t\t\t// We need to check for such cases and use proper list item and position based on it.\n\t\t\t\t//\n\t\t\t\tif ( result.modelCursor.parent.is( 'element', 'listItem' ) ) {\n\t\t\t\t\t// (1).\n\t\t\t\t\tlistItemModel = result.modelCursor.parent;\n\t\t\t\t} else {\n\t\t\t\t\t// (2), (3).\n\t\t\t\t\tlistItemModel = findNextListItem( result.modelCursor );\n\t\t\t\t}\n\n\t\t\t\tnextPosition = writer.createPositionAfter( listItemModel );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn nextPosition;\n}\n\n// Helper function that seeks for a next list item starting from given `startPosition`.\nfunction findNextListItem( startPosition ) {\n\tconst treeWalker = new TreeWalker( { startPosition } );\n\n\tlet value;\n\n\tdo {\n\t\tvalue = treeWalker.next();\n\t} while ( !value.value.item.is( 'element', 'listItem' ) );\n\n\treturn value.value.item;\n}\n\n// Helper function that takes all children of given `viewRemovedItem` and moves them in a correct place, according\n// to other given parameters.\nfunction hoistNestedLists( nextIndent, modelRemoveStartPosition, viewRemoveStartPosition, viewRemovedItem, conversionApi, model ) {\n\t// Find correct previous model list item element.\n\t// The element has to have either same or smaller indent than given reference indent.\n\t// This will be the model element which will get nested items (if it has smaller indent) or sibling items (if it has same indent).\n\t// Keep in mind that such element might not be found, if removed item was the first item.\n\tconst prevModelItem = getSiblingListItem( modelRemoveStartPosition.nodeBefore, {\n\t\tsameIndent: true,\n\t\tsmallerIndent: true,\n\t\tlistIndent: nextIndent,\n\t\tfoo: 'b'\n\t} );\n\n\tconst mapper = conversionApi.mapper;\n\tconst viewWriter = conversionApi.writer;\n\n\t// Indent of found element or `null` if the element has not been found.\n\tconst prevIndent = prevModelItem ? prevModelItem.getAttribute( 'listIndent' ) : null;\n\n\tlet insertPosition;\n\n\tif ( !prevModelItem ) {\n\t\t// If element has not been found, simply insert lists at the position where the removed item was:\n\t\t//\n\t\t// Lorem ipsum.\n\t\t// 1 --------           <--- this is removed, no previous list item, put nested items in place of removed item.\n\t\t//   1.1 --------       <--- this is reference indent.\n\t\t//     1.1.1 --------\n\t\t//     1.1.2 --------\n\t\t//   1.2 --------\n\t\t//\n\t\t// Becomes:\n\t\t//\n\t\t// Lorem ipsum.\n\t\t// 1.1 --------\n\t\t//   1.1.1 --------\n\t\t//   1.1.2 --------\n\t\t// 1.2 --------\n\t\tinsertPosition = viewRemoveStartPosition;\n\t} else if ( prevIndent == nextIndent ) {\n\t\t// If element has been found and has same indent as reference indent it means that nested items should\n\t\t// become siblings of found element:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//   1.2 --------       <--- this is `prevModelItem`.\n\t\t// 2 --------           <--- this is removed, previous list item has indent same as reference indent.\n\t\t//   2.1 --------       <--- this is reference indent, this and 2.2 should become siblings of 1.2.\n\t\t//   2.2 --------\n\t\t//\n\t\t// Becomes:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1 --------\n\t\t//   1.2 --------\n\t\t//   2.1 --------\n\t\t//   2.2 --------\n\t\tconst prevViewList = mapper.toViewElement( prevModelItem ).parent;\n\t\tinsertPosition = viewWriter.createPositionAfter( prevViewList );\n\t} else {\n\t\t// If element has been found and has smaller indent as reference indent it means that nested items\n\t\t// should become nested items of found item:\n\t\t//\n\t\t// 1 --------           <--- this is `prevModelItem`.\n\t\t//   1.1 --------       <--- this is removed, previous list item has indent smaller than reference indent.\n\t\t//     1.1.1 --------   <--- this is reference indent, this and 1.1.1 should become nested items of 1.\n\t\t//     1.1.2 --------\n\t\t//   1.2 --------\n\t\t//\n\t\t// Becomes:\n\t\t//\n\t\t// 1 --------\n\t\t//   1.1.1 --------\n\t\t//   1.1.2 --------\n\t\t//   1.2 --------\n\t\t//\n\t\t// Note: in this case 1.1.1 have indent 2 while 1 have indent 0. In model that should not be possible,\n\t\t// because following item may have indent bigger only by one. But this is fixed by postfixer.\n\t\tconst modelPosition = model.createPositionAt( prevModelItem, 'end' );\n\t\tinsertPosition = mapper.toViewPosition( modelPosition );\n\t}\n\n\tinsertPosition = positionAfterUiElements( insertPosition );\n\n\t// Handle multiple lists. This happens if list item has nested numbered and bulleted lists. Following lists\n\t// are inserted after the first list (no need to recalculate insertion position for them).\n\tfor ( const child of [ ...viewRemovedItem.getChildren() ] ) {\n\t\tif ( isList( child ) ) {\n\t\t\tinsertPosition = viewWriter.move( viewWriter.createRangeOn( child ), insertPosition ).end;\n\n\t\t\tmergeViewLists( viewWriter, child, child.nextSibling );\n\t\t\tmergeViewLists( viewWriter, child.previousSibling, child );\n\t\t}\n\t}\n}\n\n// Checks if view element is a list type (ul or ol).\n//\n// @param {module:engine/view/element~Element} viewElement\n// @returns {Boolean}\nfunction isList( viewElement ) {\n\treturn viewElement.is( 'element', 'ol' ) || viewElement.is( 'element', 'ul' );\n}\n\n// Calculates the indent value for a list item. Handles HTML compliant and non-compliant lists.\n//\n// Also, fixes non HTML compliant lists indents:\n//\n//\t\tbefore:                                     fixed list:\n//\t\tOL                                          OL\n//\t\t|-> LI (parent LIs: 0)                      |-> LI     (indent: 0)\n//\t\t    |-> OL                                  |-> OL\n//\t\t        |-> OL                                  |\n//\t\t        |   |-> OL                              |\n//\t\t        |       |-> OL                          |\n//\t\t        |           |-> LI (parent LIs: 1)      |-> LI (indent: 1)\n//\t\t        |-> LI (parent LIs: 1)                  |-> LI (indent: 1)\n//\n//\t\tbefore:                                     fixed list:\n//\t\tOL                                          OL\n//\t\t|-> OL                                      |\n//\t\t    |-> OL                                  |\n//\t\t         |-> OL                             |\n//\t\t             |-> LI (parent LIs: 0)         |-> LI        (indent: 0)\n//\n//\t\tbefore:                                     fixed list:\n//\t\tOL                                          OL\n//\t\t|-> LI (parent LIs: 0)                      |-> LI         (indent: 0)\n//\t\t|-> OL                                          |-> OL\n//\t\t    |-> LI (parent LIs: 0)                          |-> LI (indent: 1)\n//\n// @param {module:engine/view/element~Element} listItem\n// @param {Object} conversionStore\n// @returns {Number}\nfunction getIndent( listItem ) {\n\tlet indent = 0;\n\n\tlet parent = listItem.parent;\n\n\twhile ( parent ) {\n\t\t// Each LI in the tree will result in an increased indent for HTML compliant lists.\n\t\tif ( parent.is( 'element', 'li' ) ) {\n\t\t\tindent++;\n\t\t} else {\n\t\t\t// If however the list is nested in other list we should check previous sibling of any of the list elements...\n\t\t\tconst previousSibling = parent.previousSibling;\n\n\t\t\t// ...because the we might need increase its indent:\n\t\t\t//\t\tbefore:                           fixed list:\n\t\t\t//\t\tOL                                OL\n\t\t\t//\t\t|-> LI (parent LIs: 0)            |-> LI         (indent: 0)\n\t\t\t//\t\t|-> OL                                |-> OL\n\t\t\t//\t\t    |-> LI (parent LIs: 0)                |-> LI (indent: 1)\n\t\t\tif ( previousSibling && previousSibling.is( 'element', 'li' ) ) {\n\t\t\t\tindent++;\n\t\t\t}\n\t\t}\n\n\t\tparent = parent.parent;\n\t}\n\n\treturn indent;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/listediting\n */\n\nimport ListCommand from './listcommand';\nimport IndentCommand from './indentcommand';\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Enter } from 'ckeditor5/src/enter';\nimport { Delete } from 'ckeditor5/src/typing';\n\nimport {\n\tcleanList,\n\tcleanListItem,\n\tmodelViewInsertion,\n\tmodelViewChangeType,\n\tmodelViewMergeAfterChangeType,\n\tmodelViewMergeAfter,\n\tmodelViewRemove,\n\tmodelViewSplitOnInsert,\n\tmodelViewChangeIndent,\n\tmodelChangePostFixer,\n\tmodelIndentPasteFixer,\n\tviewModelConverter,\n\tmodelToViewPosition,\n\tviewToModelPosition\n} from './converters';\n\n/**\n * The engine of the list feature. It handles creating, editing and removing lists and list items.\n *\n * It registers the `'numberedList'`, `'bulletedList'`, `'indentList'` and `'outdentList'` commands.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ListEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ListEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Enter, Delete ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Schema.\n\t\t// Note: in case `$block` will ever be allowed in `listItem`, keep in mind that this feature\n\t\t// uses `Selection#getSelectedBlocks()` without any additional processing to obtain all selected list items.\n\t\t// If there are blocks allowed inside list item, algorithms using `getSelectedBlocks()` will have to be modified.\n\t\teditor.model.schema.register( 'listItem', {\n\t\t\tinheritAllFrom: '$block',\n\t\t\tallowAttributes: [ 'listType', 'listIndent' ]\n\t\t} );\n\n\t\t// Converters.\n\t\tconst data = editor.data;\n\t\tconst editing = editor.editing;\n\n\t\teditor.model.document.registerPostFixer( writer => modelChangePostFixer( editor.model, writer ) );\n\n\t\tediting.mapper.registerViewToModelLength( 'li', getViewListItemLength );\n\t\tdata.mapper.registerViewToModelLength( 'li', getViewListItemLength );\n\n\t\tediting.mapper.on( 'modelToViewPosition', modelToViewPosition( editing.view ) );\n\t\tediting.mapper.on( 'viewToModelPosition', viewToModelPosition( editor.model ) );\n\t\tdata.mapper.on( 'modelToViewPosition', modelToViewPosition( editing.view ) );\n\n\t\teditor.conversion.for( 'editingDowncast' )\n\t\t\t.add( dispatcher => {\n\t\t\t\tdispatcher.on( 'insert', modelViewSplitOnInsert, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'insert:listItem', modelViewInsertion( editor.model ) );\n\t\t\t\tdispatcher.on( 'attribute:listType:listItem', modelViewChangeType, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'attribute:listType:listItem', modelViewMergeAfterChangeType, { priority: 'low' } );\n\t\t\t\tdispatcher.on( 'attribute:listIndent:listItem', modelViewChangeIndent( editor.model ) );\n\t\t\t\tdispatcher.on( 'remove:listItem', modelViewRemove( editor.model ) );\n\t\t\t\tdispatcher.on( 'remove', modelViewMergeAfter, { priority: 'low' } );\n\t\t\t} );\n\n\t\teditor.conversion.for( 'dataDowncast' )\n\t\t\t.add( dispatcher => {\n\t\t\t\tdispatcher.on( 'insert', modelViewSplitOnInsert, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'insert:listItem', modelViewInsertion( editor.model ) );\n\t\t\t} );\n\n\t\teditor.conversion.for( 'upcast' )\n\t\t\t.add( dispatcher => {\n\t\t\t\tdispatcher.on( 'element:ul', cleanList, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'element:ol', cleanList, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'element:li', cleanListItem, { priority: 'high' } );\n\t\t\t\tdispatcher.on( 'element:li', viewModelConverter );\n\t\t\t} );\n\n\t\t// Fix indentation of pasted items.\n\t\teditor.model.on( 'insertContent', modelIndentPasteFixer, { priority: 'high' } );\n\n\t\t// Register commands for numbered and bulleted list.\n\t\teditor.commands.add( 'numberedList', new ListCommand( editor, 'numbered' ) );\n\t\teditor.commands.add( 'bulletedList', new ListCommand( editor, 'bulleted' ) );\n\n\t\t// Register commands for indenting.\n\t\teditor.commands.add( 'indentList', new IndentCommand( editor, 'forward' ) );\n\t\teditor.commands.add( 'outdentList', new IndentCommand( editor, 'backward' ) );\n\n\t\tconst viewDocument = editing.view.document;\n\n\t\t// Overwrite default Enter key behavior.\n\t\t// If Enter key is pressed with selection collapsed in empty list item, outdent it instead of breaking it.\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tconst doc = this.editor.model.document;\n\t\t\tconst positionParent = doc.selection.getLastPosition().parent;\n\n\t\t\tif ( doc.selection.isCollapsed && positionParent.name == 'listItem' && positionParent.isEmpty ) {\n\t\t\t\tthis.editor.execute( 'outdentList' );\n\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { context: 'li' } );\n\n\t\t// Overwrite default Backspace key behavior.\n\t\t// If Backspace key is pressed with selection collapsed on first position in first list item, outdent it. #83\n\t\tthis.listenTo( viewDocument, 'delete', ( evt, data ) => {\n\t\t\t// Check conditions from those that require less computations like those immediately available.\n\t\t\tif ( data.direction !== 'backward' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst selection = this.editor.model.document.selection;\n\n\t\t\tif ( !selection.isCollapsed ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst firstPosition = selection.getFirstPosition();\n\n\t\t\tif ( !firstPosition.isAtStart ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst positionParent = firstPosition.parent;\n\n\t\t\tif ( positionParent.name !== 'listItem' ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst previousIsAListItem = positionParent.previousSibling && positionParent.previousSibling.name === 'listItem';\n\n\t\t\tif ( previousIsAListItem ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis.editor.execute( 'outdentList' );\n\n\t\t\tdata.preventDefault();\n\t\t\tevt.stop();\n\t\t}, { context: 'li' } );\n\n\t\tconst getCommandExecuter = commandName => {\n\t\t\treturn ( data, cancel ) => {\n\t\t\t\tconst command = this.editor.commands.get( commandName );\n\n\t\t\t\tif ( command.isEnabled ) {\n\t\t\t\t\tthis.editor.execute( commandName );\n\t\t\t\t\tcancel();\n\t\t\t\t}\n\t\t\t};\n\t\t};\n\n\t\teditor.keystrokes.set( 'Tab', getCommandExecuter( 'indentList' ) );\n\t\teditor.keystrokes.set( 'Shift+Tab', getCommandExecuter( 'outdentList' ) );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst commands = this.editor.commands;\n\n\t\tconst indent = commands.get( 'indent' );\n\t\tconst outdent = commands.get( 'outdent' );\n\n\t\tif ( indent ) {\n\t\t\tindent.registerChildCommand( commands.get( 'indentList' ) );\n\t\t}\n\n\t\tif ( outdent ) {\n\t\t\toutdent.registerChildCommand( commands.get( 'outdentList' ) );\n\t\t}\n\t}\n}\n\nfunction getViewListItemLength( element ) {\n\tlet length = 1;\n\n\tfor ( const child of element.getChildren() ) {\n\t\tif ( child.name == 'ul' || child.name == 'ol' ) {\n\t\t\tfor ( const item of child.getChildren() ) {\n\t\t\t\tlength += getViewListItemLength( item );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn length;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/listui\n */\n\nimport { createUIComponent } from './utils';\n\nimport numberedListIcon from '../theme/icons/numberedlist.svg';\nimport bulletedListIcon from '../theme/icons/bulletedlist.svg';\n\nimport { Plugin } from 'ckeditor5/src/core';\n\n/**\n * The list UI feature. It introduces the `'numberedList'` and `'bulletedList'` buttons that\n * allow to convert paragraphs to and from list items and indent or outdent them.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ListUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ListUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst t = this.editor.t;\n\n\t\t// Create two buttons and link them with numberedList and bulletedList commands.\n\t\tcreateUIComponent( this.editor, 'numberedList', t( 'Numbered List' ), numberedListIcon );\n\t\tcreateUIComponent( this.editor, 'bulletedList', t( 'Bulleted List' ), bulletedListIcon );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z\\\"/></svg>\";","export default \"<?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\"?>\\n<svg\\n   xmlns:dc=\\\"http://purl.org/dc/elements/1.1/\\\"\\n   xmlns:cc=\\\"http://creativecommons.org/ns#\\\"\\n   xmlns:rdf=\\\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\\\"\\n   xmlns:svg=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns:sodipodi=\\\"http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd\\\"\\n   xmlns:inkscape=\\\"http://www.inkscape.org/namespaces/inkscape\\\"\\n   class=\\\"ck ck-icon ck-button__icon\\\"\\n   viewBox=\\\"0 0 20 20\\\"\\n   version=\\\"1.1\\\"\\n   id=\\\"svg10\\\"\\n   sodipodi:docname=\\\"code-block.svg\\\"\\n   inkscape:version=\\\"0.92.3 (2405546, 2018-03-11)\\\">\\n  <defs\\n     id=\\\"defs14\\\" />\\n  <sodipodi:namedview\\n     pagecolor=\\\"#ffffff\\\"\\n     bordercolor=\\\"#666666\\\"\\n     borderopacity=\\\"1\\\"\\n     objecttolerance=\\\"10\\\"\\n     gridtolerance=\\\"10\\\"\\n     guidetolerance=\\\"10\\\"\\n     inkscape:pageopacity=\\\"0\\\"\\n     inkscape:pageshadow=\\\"2\\\"\\n     inkscape:window-width=\\\"640\\\"\\n     inkscape:window-height=\\\"480\\\"\\n     id=\\\"namedview12\\\"\\n     showgrid=\\\"false\\\"\\n     inkscape:zoom=\\\"33.37544\\\"\\n     inkscape:cx=\\\"10.656564\\\"\\n     inkscape:cy=\\\"13.670445\\\"\\n     inkscape:current-layer=\\\"svg10\\\" />\\n  <g\\n     id=\\\"g8\\\"\\n     style=\\\"fill:none;fill-rule:evenodd\\\"\\n     transform=\\\"matrix(0.8751128,0,0,0.8751128,1.3360704,0.91121972)\\\">\\n    <g\\n       id=\\\"g6\\\"\\n       style=\\\"fill:#353535\\\">\\n      <g\\n         transform=\\\"translate(2,5.6)\\\"\\n         id=\\\"g4\\\">\\n        <path\\n           d=\\\"M 10.5,0.1 15.7,4 v 1.3 l -5.6,4 C 10,9.5 9.8,9.5 9.6,9.5 9.3,9.4 9,8.8 9,8.5 L 9.3,8.1 14,4.6 9.5,1.4 9.3,1.2 C 9.2,0.9 9.2,0.6 9.3,0.4 9.5,0.2 9.8,0 10.1,0 a 0.8,0.8 0 0 1 0.4,0.1 z M 5.3,0.1 0,4 v 1.3 l 5.6,4 C 5.7,9.5 5.9,9.5 6.1,9.5 6.4,9.4 6.8,8.8 6.7,8.5 6.7,8.4 6.7,8.2 6.5,8.1 L 1.5,4.6 6.2,1.4 6.4,1.2 C 6.5,0.9 6.5,0.6 6.4,0.4 6.2,0.2 5.9,0 5.6,0 A 0.8,0.8 0 0 0 5.3,0.1 Z\\\"\\n           id=\\\"path2\\\"\\n           inkscape:connector-curvature=\\\"0\\\" />\\n      </g>\\n    </g>\\n  </g>\\n  <path\\n     style=\\\"color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;text-orientation:mixed;dominant-baseline:auto;baseline-shift:baseline;text-anchor:start;white-space:normal;shape-padding:0;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;vector-effect:none;fill:#353535;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1.09228408;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate\\\"\\n     d=\\\"M 0.22004104,0.22004104 V 0.76600468 19.779959 H 19.779959 V 0.22004104 Z M 1.3119682,1.3119682 H 18.688032 V 18.688032 H 1.3119682 Z\\\"\\n     id=\\\"rect3722\\\"\\n     inkscape:connector-curvature=\\\"0\\\" />\\n  <metadata\\n     id=\\\"metadata4596\\\">\\n    <rdf:RDF>\\n      <cc:Work\\n         rdf:about=\\\"\\\">\\n        <dc:title></dc:title>\\n        <dc:format>image/svg+xml</dc:format>\\n        <dc:type\\n           rdf:resource=\\\"http://purl.org/dc/dcmitype/StillImage\\\" />\\n      </cc:Work>\\n    </rdf:RDF>\\n  </metadata>\\n</svg>\\n\";","import ViewPosition from '@ckeditor/ckeditor5-engine/src/view/position';\nimport {toWidget, isWidget} from '@ckeditor/ckeditor5-widget/src/utils';\nimport {setContent} from './widget';\n\nconst codeBlockSymbol = Symbol( 'isOPCodeBlock' );\n\nexport function toCodeBlockWidget( viewElement, writer, label ) {\n\twriter.setCustomProperty( codeBlockSymbol, true, viewElement );\n\treturn toWidget( viewElement, writer, { label: label } );\n}\n\n\nexport function isCodeBlockWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( codeBlockSymbol ) && isWidget( viewElement );\n}\n\n\nexport function isCodeBlockWidgetSelected( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\treturn !!( viewElement && isCodeBlockWidget( viewElement ) );\n}\n\nexport function createCodeBlockWidget( modelElement, writer, label ) {\n\tconst container = writer.createContainerElement(\n\t\t'pre',\n\t\t{\n\t\t\ttitle: window.I18n.t('js.editor.macro.toolbar_help')\n\t\t}\n\t);\n\trenderCodeBlockContent( writer, modelElement, container );\n\n\treturn toCodeBlockWidget( container, writer, label );\n}\n\nexport function renderCodeBlockContent( writer, modelElement, container ) {\n\t// Append language element\n\tconst languageClass = modelElement.getAttribute( 'opCodeblockLanguage' ) || 'language-text';\n\tconst language = languageClass.replace(/^language-/, '');\n\tconst langElement = writer.createContainerElement( 'div', { class: 'op-uc-code-block--language' } );\n\tsetTextNode( writer, language, langElement, 'text' );\n\twriter.insert( writer.createPositionAt( container, 0 ), langElement );\n\n\t// Append code block content\n\tconst content = modelElement.getAttribute( 'opCodeblockContent' );\n\tsetTextNode( writer, content, container, '(empty)' );\n}\n\nexport function setTextNode( writer, content, container, empty_text ) {\n    const placeholder = writer.createText( content || empty_text );\n    writer.insert( writer.createPositionAt( container, 0 ), placeholder );\n}\n","import DomEventObserver from \"@ckeditor/ckeditor5-engine/src/view/observer/domeventobserver\";\n\nexport default class DoubleClickObserver extends DomEventObserver {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = 'dblclick';\n\t}\n\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n","import icon from '../../icons/code-block.svg';\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport {modelCodeBlockToView, viewCodeBlockToModel, codeBlockContentToView} from './converters';\nimport {createCodeBlockWidget, isCodeBlockWidget} from './widget';\nimport DoubleClickObserver from './click-observer';\nimport { getPluginContext } from '../op-context/op-context';\n\nexport default class CodeBlockEditing extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'CodeBlockEditing';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Configure schema.\n\t\tschema.register('codeblock', {\n\t\t\tisObject: true,\n\t\t\tisBlock: true,\n\t\t\tallowContentOf: '$block',\n\t\t\tallowWhere: ['$root', '$block'],\n\t\t\tallowIn: ['$root'],\n\t\t\tallowAttributes: ['opCodeblockLanguage', 'opCodeblockContent']\n\t\t});\n\n\t\tconversion.for( 'upcast' )\n\t\t\t.add(viewCodeBlockToModel());\n\n\t\tconversion.for( 'editingDowncast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'codeblock',\n\t\t\t\tview: (modelElement, {writer:viewWriter}) => {\n\t\t\t\t\treturn createCodeBlockWidget( modelElement, viewWriter, 'Code block' );\n\t\t\t\t}\n\t\t\t} )\n\t\t\t.add ( codeBlockContentToView() );\n\n\t\tconversion\n\t\t\t.for('dataDowncast')\n\t\t\t.add(modelCodeBlockToView());\n\n\t\t// Register click handler to code block to edit it immediately\n\t\tview.addObserver( DoubleClickObserver );\n\t\tthis.listenTo( viewDocument, 'dblclick', ( eventInfo, domEventData ) => {\n\t\t\tlet element = domEventData.target;\n\t\t\tlet evt = domEventData.domEvent;\n\n\t\t\t// Avoid opening the widget with modifiers selected to allow selecting the widget\n\t\t\tif (evt.shiftKey || evt.altKey || evt.metaKey) {\n\t\t\t\treturn;\n\t\t\t}\n\n\n\t\t\t// If target is our widget\n\t\t\tif ( !isCodeBlockWidget( element ) ) {\n\t\t\t\telement = element.findAncestor( isCodeBlockWidget );\n\n\t\t\t\tif ( !element ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tdomEventData.preventDefault();\n\t\t\tdomEventData.stopPropagation();\n\n\t\t\t// Create model selection over widget.\n\t\t\tconst modelElement = editor.editing.mapper.toModelElement( element );\n\n\t\t\tconst macroService = pluginContext.services.macros;\n\t\t\tconst language = modelElement.getAttribute( 'opCodeblockLanguage' );\n\t\t\tconst content = modelElement.getAttribute( 'opCodeblockContent' );\n\n\t\t\tmacroService\n\t\t\t\t.editCodeBlock( content, language )\n\t\t\t\t.then((update) => editor.model.change(writer => {\n\t\t\t\t\twriter.setAttribute( 'opCodeblockLanguage', update.languageClass, modelElement );\n\t\t\t\t\twriter.setAttribute( 'opCodeblockContent', update.content, modelElement );\n\t\t\t\t})\n\t\t\t);\n\n\t\t} );\n\n\t\t// Register toolbar button to create code block\n\t\teditor.ui.componentFactory.add( 'insertCodeBlock', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: window.I18n.t('js.editor.macro.code_block.button'),\n\t\t\t\ticon: icon,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\tpluginContext.services.macros\n\t\t\t\t\t.editCodeBlock()\n\t\t\t\t\t.then((update) => editor.model.change(writer => {\n\n\t\t\t\t\t\tconst element = writer.createElement( 'codeblock' );\n\t\t\t\t\t\twriter.setAttribute( 'opCodeblockLanguage', update.languageClass, element );\n\t\t\t\t\t\twriter.setAttribute( 'opCodeblockContent', update.content, element );\n\t\t\t\t\t\teditor.model.insertContent( element, editor.model.document.selection );\n\t\t\t\t\t})\n\t\t\t\t);\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","import ModelPosition from '@ckeditor/ckeditor5-engine/src/model/position';\nimport ModelRange from '@ckeditor/ckeditor5-engine/src/model/range';\nimport ViewPosition from '@ckeditor/ckeditor5-engine/src/view/position';\nimport ViewRange from '@ckeditor/ckeditor5-engine/src/view/range';\nimport {renderCodeBlockContent} from './widget';\n\n\nexport function modelCodeBlockToView() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'insert:codeblock', converter, { priority: 'high' } );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\tconst codeBlock = data.item;\n\t\tconst language = codeBlock.getAttribute('opCodeblockLanguage') || 'language-text';\n\t\tconst content = codeBlock.getAttribute('opCodeblockContent');\n\n\t\t// Consume the codeblock and text\n\t\tconversionApi.consumable.consume( codeBlock, 'insert' );\n\n\t\t// Wrap the element in a <pre> <code> block\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst preElement = viewWriter.createContainerElement( 'pre' );\n\t\tconst langElement = viewWriter.createContainerElement( 'div', { class: 'op-uc-code-block--language' } );\n\t\tconst codeElement = viewWriter.createContainerElement( 'code', { class: language } );\n\t\tconst langContent = viewWriter.createText( language );\n\t\tconst contentElement = viewWriter.createText( content );\n\n\t\tviewWriter.insert( viewWriter.createPositionAt( codeElement, 0 ), contentElement );\n\t\tviewWriter.insert( viewWriter.createPositionAt( langElement, 0 ), langContent );\n\t\tviewWriter.insert( viewWriter.createPositionAt( preElement, 0 ), langElement );\n\t\tviewWriter.insert( viewWriter.createPositionAt( preElement, 0 ), codeElement );\n\n\t\tconversionApi.mapper.bindElements( codeBlock, codeElement );\n\t\tconversionApi.mapper.bindElements( codeBlock, preElement );\n\n\t\t// Insert at matching position\n\t\tconst insertPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\t\tviewWriter.insert( insertPosition, preElement );\n\n\t\tevt.stop();\n\t}\n}\n\nexport function viewCodeBlockToModel() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:pre', converter, { priority: 'high' } );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\t\t// Do not convert if this is not an \"image figure\".\n\t\tif ( !conversionApi.consumable.test( data.viewItem, { name: true } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Find an code element inside the pre element.\n\t\tconst codeBlock = Array.from( data.viewItem.getChildren() ).find( viewChild => viewChild.is('element', 'code'));\n\n\t\t// Do not convert if code block is absent\n\t\tif ( !codeBlock || !conversionApi.consumable.consume( codeBlock, { name: true } ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Create the model element\n\t\tconst modelCodeBlock = conversionApi.writer.createElement( 'codeblock' );\n\t\tconversionApi.writer.setAttribute( 'opCodeblockLanguage', codeBlock.getAttribute('class'), modelCodeBlock );\n\n\t\t// Find allowed parent for paragraph that we are going to insert. If current parent does not allow\n\t\t// to insert paragraph but one of the ancestors does then split nodes to allowed parent.\n\t\tconst splitResult = conversionApi.splitToAllowedParent( modelCodeBlock, data.modelCursor );\n\n\t\t// When there is no split result it means that we can't insert paragraph in this position.\n\t\tif ( splitResult ) {\n\t\t\t// Insert codeblock in allowed position.\n\t\t\tconversionApi.writer.insert( modelCodeBlock, splitResult.position );\n\n\t\t\t// Convert text child of codeblock\n\t\t\tconst child = codeBlock.getChild(0);\n\t\t\tconversionApi.consumable.consume( child, { name: true } );\n\t\t\t// Replace last newline since that text is incorrectly mapped\n\t\t\t// Regression OP#28609\n\t\t\tconst content = child.data.replace(/\\n$/, \"\");\n\t\t\tconversionApi.writer.setAttribute( 'opCodeblockContent', content, modelCodeBlock );\n\n\t\t\t// Set as conversion result, attribute converters may use this property.\n\t\t\tdata.modelRange = new ModelRange(\n\t\t\t\tconversionApi.writer.createPositionBefore( modelCodeBlock ),\n\t\t\t\tconversionApi.writer.createPositionAfter( modelCodeBlock )\n\t\t\t);\n\n\t\t\t// Convert after pre element\n\t\t\tdata.modelCursor = data.modelRange.end;\n\t\t}\n\t}\n}\n\n\nexport function codeBlockContentToView() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'attribute:opCodeblockContent', converter );\n\t\tdispatcher.on( 'attribute:opCodeblockLanguage', converter );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n        const modelElement = data.item;\n\n        // Mark element as consumed by conversion.\n        conversionApi.consumable.consume( data.item, evt.name );\n\n        // Get mapped view element to update.\n        const viewElement = conversionApi.mapper.toViewElement( modelElement );\n\n        // Remove current <div> element contents.\n        conversionApi.writer.remove( conversionApi.writer.createRangeOn( viewElement.getChild( 1 ) ) );\n        conversionApi.writer.remove( conversionApi.writer.createRangeOn( viewElement.getChild( 0 ) ) );\n\n\t\t// Set current content\n\t\trenderCodeBlockContent( conversionApi.writer, modelElement, viewElement );\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';\n\nimport {createToolbarEditButton} from '../../helpers/create-toolbar-edit-button';\nimport {createEditToolbar} from '../../helpers/create-toolbar';\nimport {isCodeBlockWidgetSelected} from './widget';\nimport {getPluginContext} from '../op-context/op-context';\n\nexport default class CodeBlockToolbar extends Plugin {\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'CodeBlockToolbar';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = this.editor.model;\n\t\tconst pluginContext = getPluginContext(editor);\n\n\t\t// Add editing button\n\t\tcreateToolbarEditButton( editor, 'opEditCodeBlock', widget => {\n\t\t\tconst macroService = pluginContext.services.macros;\n\t\t\tconst language = widget.getAttribute( 'opCodeblockLanguage' );\n\t\t\tconst content = widget.getAttribute( 'opCodeblockContent' );\n\n\t\t\tmacroService\n\t\t\t\t.editCodeBlock( content, language )\n\t\t\t\t.then((update) => model.change(writer => {\n\t\t\t\t\twriter.setAttribute( 'opCodeblockLanguage', update.languageClass, widget );\n\t\t\t\t\twriter.setAttribute( 'opCodeblockContent', update.content, widget );\n\t\t\t\t})\n\t\t\t);\n\t\t} );\n\t}\n\n\tafterInit() {\n\t\t// Add actual toolbar\n\t\tcreateEditToolbar(\n\t\t\tthis,\n\t\t\tthis.editor,\n\t\t\t'OPCodeBlock',\n\t\t\tisCodeBlockWidgetSelected\n\t\t);\n\t}\n}\n","import FileDialogButtonView from '@ckeditor/ckeditor5-upload/src/ui/filedialogbuttonview';\n\nexport function getToolbarItems(editor) {\n\teditor.__currentlyDisabled = editor.__currentlyDisabled || [];\n\n\tif (!editor.ui.view.toolbar) {\n\t\treturn [];\n\t}\n\n\treturn editor.ui.view.toolbar.items._items;\n}\n\nexport function disableItems(editor, except) {\n\tjQuery.each(getToolbarItems(editor), function(index, item) {\n\t\tlet toDisable = item;\n\n\t\tif (item instanceof FileDialogButtonView) {\n\t\t\ttoDisable = item.buttonView;\n\t\t} else if (item === except || !item.hasOwnProperty('isEnabled')) {\n\t\t\ttoDisable = null;\n\t\t}\n\n\t\tif (!toDisable) {\n\t\t\t// do nothing\n\t\t} else if (toDisable.isEnabled) {\n\t\t\ttoDisable.isEnabled = false;\n\t\t} else {\n\t\t\teditor.__currentlyDisabled.push(toDisable);\n\t\t}\n\t});\n}\n\nexport function enableItems(editor) {\n\tjQuery.each(getToolbarItems(editor), function(index, item) {\n\t\tlet toEnable = item;\n\n\t\tif (item instanceof FileDialogButtonView) {\n\t\t\ttoEnable = item.buttonView;\n\t\t}\n\n\t\tif (editor.__currentlyDisabled.indexOf(toEnable) < 0) {\n\t\t\ttoEnable.isEnabled = true\n\t\t}\n\t});\n\n\teditor.__currentlyDisabled = [];\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/common\n */\n\n/**\n * A common method to update the numeric value. If a value is the default one, it will be unset.\n *\n * @param {String} key An attribute key.\n * @param {*} value The new attribute value.\n * @param {module:engine/model/item~Item} item A model item on which the attribute will be set.\n * @param {module:engine/model/writer~Writer} writer\n * @param {*} defaultValue The default attribute value. If a value is lower or equal, it will be unset.\n */\nexport function updateNumericAttribute( key, value, item, writer, defaultValue = 1 ) {\n\tif ( value > defaultValue ) {\n\t\twriter.setAttribute( key, value, item );\n\t} else {\n\t\twriter.removeAttribute( key, item );\n\t}\n}\n\n/**\n * A common method to create an empty table cell. It creates a proper model structure as a table cell must have at least one block inside.\n *\n * @param {module:engine/model/writer~Writer} writer The model writer.\n * @param {module:engine/model/position~Position} insertPosition The position at which the table cell should be inserted.\n * @param {Object} attributes The element attributes.\n * @returns {module:engine/model/element~Element} Created table cell.\n */\nexport function createEmptyTableCell( writer, insertPosition, attributes = {} ) {\n\tconst tableCell = writer.createElement( 'tableCell', attributes );\n\n\twriter.insertElement( 'paragraph', tableCell );\n\twriter.insert( tableCell, insertPosition );\n\n\treturn tableCell;\n}\n\n/**\n * Checks if a table cell belongs to the heading column section.\n *\n * @param {module:table/tableutils~TableUtils} tableUtils\n * @param {module:engine/model/element~Element} tableCell\n * @returns {Boolean}\n */\nexport function isHeadingColumnCell( tableUtils, tableCell ) {\n\tconst table = tableCell.parent.parent;\n\tconst headingColumns = parseInt( table.getAttribute( 'headingColumns' ) || 0 );\n\tconst { column } = tableUtils.getCellLocation( tableCell );\n\n\treturn !!headingColumns && column < headingColumns;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/upcasttable\n */\n\nimport { createEmptyTableCell } from '../utils/common';\nimport { first } from 'ckeditor5/src/utils';\n\n/**\n * Returns a function that converts the table view representation:\n *\n *\t\t<figure class=\"table\"><table>...</table></figure>\n *\n * to the model representation:\n *\n *\t\t<table></table>\n *\n * @returns {Function}\n */\nexport function upcastTableFigure() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:figure', ( evt, data, conversionApi ) => {\n\t\t\t// Do not convert if this is not a \"table figure\".\n\t\t\tif ( !conversionApi.consumable.test( data.viewItem, { name: true, classes: 'table' } ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Find an table element inside the figure element.\n\t\t\tconst viewTable = getViewTableFromFigure( data.viewItem );\n\n\t\t\t// Do not convert if table element is absent or was already converted.\n\t\t\tif ( !viewTable || !conversionApi.consumable.test( viewTable, { name: true } ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Consume the figure to prevent other converters from processing it again.\n\t\t\tconversionApi.consumable.consume( data.viewItem, { name: true, classes: 'table' } );\n\n\t\t\t// Convert view table to model table.\n\t\t\tconst conversionResult = conversionApi.convertItem( viewTable, data.modelCursor );\n\n\t\t\t// Get table element from conversion result.\n\t\t\tconst modelTable = first( conversionResult.modelRange.getItems() );\n\n\t\t\t// When table wasn't successfully converted then finish conversion.\n\t\t\tif ( !modelTable ) {\n\t\t\t\t// Revert consumed figure so other features can convert it.\n\t\t\t\tconversionApi.consumable.revert( data.viewItem, { name: true, classes: 'table' } );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconversionApi.convertChildren( data.viewItem, conversionApi.writer.createPositionAt( modelTable, 'end' ) );\n\t\t\tconversionApi.updateConversionResult( modelTable, data );\n\t\t} );\n\t};\n}\n\n/**\n * View table element to model table element conversion helper.\n *\n * This conversion helper converts the table element as well as table rows.\n *\n * @returns {Function} Conversion helper.\n */\nexport default function upcastTable() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:table', ( evt, data, conversionApi ) => {\n\t\t\tconst viewTable = data.viewItem;\n\n\t\t\t// When element was already consumed then skip it.\n\t\t\tif ( !conversionApi.consumable.test( viewTable, { name: true } ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst { rows, headingRows, headingColumns } = scanTable( viewTable );\n\n\t\t\t// Only set attributes if values is greater then 0.\n\t\t\tconst attributes = {};\n\n\t\t\tif ( headingColumns ) {\n\t\t\t\tattributes.headingColumns = headingColumns;\n\t\t\t}\n\n\t\t\tif ( headingRows ) {\n\t\t\t\tattributes.headingRows = headingRows;\n\t\t\t}\n\n\t\t\tconst table = conversionApi.writer.createElement( 'table', attributes );\n\n\t\t\tif ( !conversionApi.safeInsert( table, data.modelCursor ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconversionApi.consumable.consume( viewTable, { name: true } );\n\n\t\t\t// Upcast table rows in proper order (heading rows first).\n\t\t\trows.forEach( row => conversionApi.convertItem( row, conversionApi.writer.createPositionAt( table, 'end' ) ) );\n\n\t\t\t// Convert everything else.\n\t\t\tconversionApi.convertChildren( viewTable, conversionApi.writer.createPositionAt( table, 'end' ) );\n\n\t\t\t// Create one row and one table cell for empty table.\n\t\t\tif ( table.isEmpty ) {\n\t\t\t\tconst row = conversionApi.writer.createElement( 'tableRow' );\n\t\t\t\tconversionApi.writer.insert( row, conversionApi.writer.createPositionAt( table, 'end' ) );\n\n\t\t\t\tcreateEmptyTableCell( conversionApi.writer, conversionApi.writer.createPositionAt( row, 'end' ) );\n\t\t\t}\n\n\t\t\tconversionApi.updateConversionResult( table, data );\n\t\t} );\n\t};\n}\n\n/**\n * A conversion helper that skips empty <tr> elements from upcasting at the beginning of the table.\n *\n * An empty row is considered a table model error but when handling clipboard data there could be rows that contain only row-spanned cells\n * and empty TR-s are used to maintain the table structure (also {@link module:table/tablewalker~TableWalker} assumes that there are only\n * rows that have related `tableRow` elements).\n *\n * *Note:* Only the first empty rows are removed because they have no meaning and it solves the issue\n * of an improper table with all empty rows.\n *\n * @returns {Function} Conversion helper.\n */\nexport function skipEmptyTableRow() {\n\treturn dispatcher => {\n\t\tdispatcher.on( 'element:tr', ( evt, data ) => {\n\t\t\tif ( data.viewItem.isEmpty && data.modelCursor.index == 0 ) {\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\t};\n}\n\n/**\n * A converter that ensures an empty paragraph is inserted in a table cell if no other content was converted.\n *\n * @returns {Function} Conversion helper.\n */\nexport function ensureParagraphInTableCell( elementName ) {\n\treturn dispatcher => {\n\t\tdispatcher.on( `element:${ elementName }`, ( evt, data, conversionApi ) => {\n\t\t\t// The default converter will create a model range on converted table cell.\n\t\t\tif ( !data.modelRange ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Ensure a paragraph in the model for empty table cells for converted table cells.\n\t\t\tif ( data.viewItem.isEmpty ) {\n\t\t\t\tconst tableCell = data.modelRange.start.nodeAfter;\n\t\t\t\tconst modelCursor = conversionApi.writer.createPositionAt( tableCell, 0 );\n\n\t\t\t\tconversionApi.writer.insertElement( 'paragraph', modelCursor );\n\t\t\t}\n\t\t}, { priority: 'low' } );\n\t};\n}\n\n// Get view `<table>` element from the view widget (`<figure>`).\n//\n// @private\n// @param {module:engine/view/element~Element} figureView\n// @returns {module:engine/view/element~Element}\nfunction getViewTableFromFigure( figureView ) {\n\tfor ( const figureChild of figureView.getChildren() ) {\n\t\tif ( figureChild.is( 'element', 'table' ) ) {\n\t\t\treturn figureChild;\n\t\t}\n\t}\n}\n\n// Scans table rows and extracts required metadata from the table:\n//\n// headingRows    - The number of rows that go as table headers.\n// headingColumns - The maximum number of row headings.\n// rows           - Sorted `<tr>` elements as they should go into the model - ie. if `<thead>` is inserted after `<tbody>` in the view.\n//\n// @private\n// @param {module:engine/view/element~Element} viewTable\n// @returns {{headingRows, headingColumns, rows}}\nfunction scanTable( viewTable ) {\n\tconst tableMeta = {\n\t\theadingRows: 0,\n\t\theadingColumns: 0\n\t};\n\n\t// The `<tbody>` and `<thead>` sections in the DOM do not have to be in order `<thead>` -> `<tbody>` and there might be more than one\n\t// of them.\n\t// As the model does not have these sections, rows from different sections must be sorted.\n\t// For example, below is a valid HTML table:\n\t//\n\t//\t\t<table>\n\t//\t\t\t<tbody><tr><td>2</td></tr></tbody>\n\t//\t\t\t<thead><tr><td>1</td></tr></thead>\n\t//\t\t\t<tbody><tr><td>3</td></tr></tbody>\n\t//\t\t</table>\n\t//\n\t// But browsers will render rows in order as: 1 as the heading and 2 and 3 as the body.\n\tconst headRows = [];\n\tconst bodyRows = [];\n\n\t// Currently the editor does not support more then one <thead> section.\n\t// Only the first <thead> from the view will be used as a heading row and the others will be converted to body rows.\n\tlet firstTheadElement;\n\n\tfor ( const tableChild of Array.from( viewTable.getChildren() ) ) {\n\t\t// Only `<thead>`, `<tbody>` & `<tfoot>` from allowed table children can have `<tr>`s.\n\t\t// The else is for future purposes (mainly `<caption>`).\n\t\tif ( tableChild.name === 'tbody' || tableChild.name === 'thead' || tableChild.name === 'tfoot' ) {\n\t\t\t// Save the first `<thead>` in the table as table header - all other ones will be converted to table body rows.\n\t\t\tif ( tableChild.name === 'thead' && !firstTheadElement ) {\n\t\t\t\tfirstTheadElement = tableChild;\n\t\t\t}\n\n\t\t\t// There might be some extra empty text nodes between the `<tr>`s.\n\t\t\t// Make sure further code operates on `tr`s only. (#145)\n\t\t\tconst trs = Array.from( tableChild.getChildren() ).filter( el => el.is( 'element', 'tr' ) );\n\n\t\t\tfor ( const tr of trs ) {\n\t\t\t\t// This <tr> is a child of a first <thead> element.\n\t\t\t\tif ( tr.parent.name === 'thead' && tr.parent === firstTheadElement ) {\n\t\t\t\t\ttableMeta.headingRows++;\n\t\t\t\t\theadRows.push( tr );\n\t\t\t\t} else {\n\t\t\t\t\tbodyRows.push( tr );\n\t\t\t\t\t// For other rows check how many column headings this row has.\n\n\t\t\t\t\tconst headingCols = scanRowForHeadingColumns( tr, tableMeta, firstTheadElement );\n\n\t\t\t\t\tif ( headingCols > tableMeta.headingColumns ) {\n\t\t\t\t\t\ttableMeta.headingColumns = headingCols;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\ttableMeta.rows = [ ...headRows, ...bodyRows ];\n\n\treturn tableMeta;\n}\n\n// Scans a `<tr>` element and its children for metadata:\n// - For heading row:\n//     - Adds this row to either the heading or the body rows.\n//     - Updates the number of heading rows.\n// - For body rows:\n//     - Calculates the number of column headings.\n//\n// @private\n// @param {module:engine/view/element~Element} tr\n// @returns {Number}\nfunction scanRowForHeadingColumns( tr ) {\n\tlet headingColumns = 0;\n\tlet index = 0;\n\n\t// Filter out empty text nodes from tr children.\n\tconst children = Array.from( tr.getChildren() )\n\t\t.filter( child => child.name === 'th' || child.name === 'td' );\n\n\t// Count starting adjacent <th> elements of a <tr>.\n\twhile ( index < children.length && children[ index ].name === 'th' ) {\n\t\tconst th = children[ index ];\n\n\t\t// Adjust columns calculation by the number of spanned columns.\n\t\tconst colspan = parseInt( th.getAttribute( 'colspan' ) || 1 );\n\n\t\theadingColumns = headingColumns + colspan;\n\t\tindex++;\n\t}\n\n\treturn headingColumns;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablewalker\n */\n\n// @if CK_DEBUG // import { CKEditorError } from 'ckeditor5/src/utils';\n\n/**\n * The table iterator class. It allows to iterate over table cells. For each cell the iterator yields\n * {@link module:table/tablewalker~TableSlot} with proper table cell attributes.\n */\nexport default class TableWalker {\n\t/**\n\t * Creates an instance of the table walker.\n\t *\n\t * The table walker iterates internally by traversing the table from row index = 0 and column index = 0.\n\t * It walks row by row and column by column in order to output values defined in the constructor.\n\t * By default it will output only the locations that are occupied by a cell. To include also spanned rows and columns,\n\t * pass the `includeAllSlots` option to the constructor.\n\t *\n\t * The most important values of the iterator are column and row indexes of a cell.\n\t *\n\t * See {@link module:table/tablewalker~TableSlot} what values are returned by the table walker.\n\t *\n\t * To iterate over a given row:\n\t *\n\t *\t\tconst tableWalker = new TableWalker( table, { startRow: 1, endRow: 2 } );\n\t *\n\t *\t\tfor ( const tableSlot of tableWalker ) {\n\t *\t\t\tconsole.log( 'A cell at row', tableSlot.row, 'and column', tableSlot.column );\n\t *\t\t}\n\t *\n\t * For instance the code above for the following table:\n\t *\n\t *\t\t+----+----+----+----+----+----+\n\t *\t\t| 00      | 02 | 03 | 04 | 05 |\n\t *\t\t|         +----+----+----+----+\n\t *\t\t|         | 12      | 14 | 15 |\n\t *\t\t|         +----+----+----+    +\n\t *\t\t|         | 22           |    |\n\t *\t\t|----+----+----+----+----+    +\n\t *\t\t| 30 | 31 | 32 | 33 | 34 |    |\n\t *\t\t+----+----+----+----+----+----+\n\t *\n\t * will log in the console:\n\t *\n\t *\t\t'A cell at row 1 and column 2'\n\t *\t\t'A cell at row 1 and column 4'\n\t *\t\t'A cell at row 1 and column 5'\n\t *\t\t'A cell at row 2 and column 2'\n\t *\n\t * To also iterate over spanned cells:\n\t *\n\t *\t\tconst tableWalker = new TableWalker( table, { row: 1, includeAllSlots: true } );\n\t *\n\t *\t\tfor ( const tableSlot of tableWalker ) {\n\t *\t\t\tconsole.log( 'Slot at', tableSlot.row, 'x', tableSlot.column, ':', tableSlot.isAnchor ? 'is anchored' : 'is spanned' );\n\t *\t\t}\n\t *\n\t * will log in the console for the table from the previous example:\n\t *\n\t *\t\t'Cell at 1 x 0 : is spanned'\n\t *\t\t'Cell at 1 x 1 : is spanned'\n\t *\t\t'Cell at 1 x 2 : is anchored'\n\t *\t\t'Cell at 1 x 3 : is spanned'\n\t *\t\t'Cell at 1 x 4 : is anchored'\n\t *\t\t'Cell at 1 x 5 : is anchored'\n\t *\n\t * **Note**: Option `row` is a shortcut that sets both `startRow` and `endRow` to the same row.\n\t * (Use either `row` or `startRow` and `endRow` but never together). Similarly the `column` option sets both `startColumn`\n\t * and `endColumn` to the same column (Use either `column` or `startColumn` and `endColumn` but never together).\n\t *\n\t * @constructor\n\t * @param {module:engine/model/element~Element} table A table over which the walker iterates.\n\t * @param {Object} [options={}] An object with configuration.\n\t * @param {Number} [options.row] A row index for which this iterator will output cells.\n\t * Can't be used together with `startRow` and `endRow`.\n\t * @param {Number} [options.startRow=0] A row index from which this iterator should start. Can't be used together with `row`.\n\t * @param {Number} [options.endRow] A row index at which this iterator should end. Can't be used together with `row`.\n\t * @param {Number} [options.column] A column index for which this iterator will output cells.\n\t * Can't be used together with `startColumn` and `endColumn`.\n\t * @param {Number} [options.startColumn=0] A column index from which this iterator should start. Can't be used together with `column`.\n\t * @param {Number} [options.endColumn] A column index at which this iterator should end. Can't be used together with `column`.\n\t * @param {Boolean} [options.includeAllSlots=false] Also return values for spanned cells.\n\t */\n\tconstructor( table, options = {} ) {\n\t\t/**\n\t\t * The walker's table element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t * @protected\n\t\t */\n\t\tthis._table = table;\n\n\t\t/**\n\t\t * A row index from which this iterator will start.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._startRow = options.row !== undefined ? options.row : options.startRow || 0;\n\n\t\t/**\n\t\t * A row index at which this iterator will end.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._endRow = options.row !== undefined ? options.row : options.endRow;\n\n\t\t/**\n\t\t * If set, the table walker will only output cells from a given column and following ones or cells that overlap them.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._startColumn = options.column !== undefined ? options.column : options.startColumn || 0;\n\n\t\t/**\n\t\t * If set, the table walker will only output cells up to a given column.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._endColumn = options.column !== undefined ? options.column : options.endColumn;\n\n\t\t/**\n\t\t * Enables output of spanned cells that are normally not yielded.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean}\n\t\t * @private\n\t\t */\n\t\tthis._includeAllSlots = !!options.includeAllSlots;\n\n\t\t/**\n\t\t * Row indexes to skip from the iteration.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Set<Number>}\n\t\t * @private\n\t\t */\n\t\tthis._skipRows = new Set();\n\n\t\t/**\n\t\t * The current row index.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._row = 0;\n\n\t\t/**\n\t\t * The index of the current row element in the table.\n\t\t *\n\t\t * @type {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._rowIndex = 0;\n\n\t\t/**\n\t\t * The current column index.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._column = 0;\n\n\t\t/**\n\t\t * The cell index in a parent row. For spanned cells when {@link #_includeAllSlots} is set to `true`,\n\t\t * this represents the index of the next table cell.\n\t\t *\n\t\t * @member {Number}\n\t\t * @protected\n\t\t */\n\t\tthis._cellIndex = 0;\n\n\t\t/**\n\t\t * Holds a map of spanned cells in a table.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Map.<Number, Map.<Number, Object>>}\n\t\t * @private\n\t\t */\n\t\tthis._spannedCells = new Map();\n\n\t\t/**\n\t\t * Index of the next column where a cell is anchored.\n\t\t *\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._nextCellAtColumn = -1;\n\t}\n\n\t/**\n\t * Iterable interface.\n\t *\n\t * @returns {Iterable.<module:table/tablewalker~TableSlot>}\n\t */\n\t[ Symbol.iterator ]() {\n\t\treturn this;\n\t}\n\n\t/**\n\t * Gets the next table walker's value.\n\t *\n\t * @returns {module:table/tablewalker~TableSlot} The next table walker's value.\n\t */\n\tnext() {\n\t\tconst row = this._table.getChild( this._rowIndex );\n\n\t\t// Iterator is done when there's no row (table ended) or the row is after `endRow` limit.\n\t\tif ( !row || this._isOverEndRow() ) {\n\t\t\treturn { done: true };\n\t\t}\n\n\t\t// We step over current element when it is not a tableRow instance.\n\t\tif ( !row.is( 'element', 'tableRow' ) ) {\n\t\t\tthis._rowIndex++;\n\n\t\t\treturn this.next();\n\t\t}\n\n\t\tif ( this._isOverEndColumn() ) {\n\t\t\treturn this._advanceToNextRow();\n\t\t}\n\n\t\tlet outValue = null;\n\n\t\tconst spanData = this._getSpanned();\n\n\t\tif ( spanData ) {\n\t\t\tif ( this._includeAllSlots && !this._shouldSkipSlot() ) {\n\t\t\t\toutValue = this._formatOutValue( spanData.cell, spanData.row, spanData.column );\n\t\t\t}\n\t\t} else {\n\t\t\tconst cell = row.getChild( this._cellIndex );\n\n\t\t\tif ( !cell ) {\n\t\t\t\t// If there are no more cells left in row advance to the next row.\n\t\t\t\treturn this._advanceToNextRow();\n\t\t\t}\n\n\t\t\tconst colspan = parseInt( cell.getAttribute( 'colspan' ) || 1 );\n\t\t\tconst rowspan = parseInt( cell.getAttribute( 'rowspan' ) || 1 );\n\n\t\t\t// Record this cell spans if it's not 1x1 cell.\n\t\t\tif ( colspan > 1 || rowspan > 1 ) {\n\t\t\t\tthis._recordSpans( cell, rowspan, colspan );\n\t\t\t}\n\n\t\t\tif ( !this._shouldSkipSlot() ) {\n\t\t\t\toutValue = this._formatOutValue( cell );\n\t\t\t}\n\n\t\t\tthis._nextCellAtColumn = this._column + colspan;\n\t\t}\n\n\t\t// Advance to the next column before returning value.\n\t\tthis._column++;\n\n\t\tif ( this._column == this._nextCellAtColumn ) {\n\t\t\tthis._cellIndex++;\n\t\t}\n\n\t\t// The current value will be returned only if current row and column are not skipped.\n\t\treturn outValue || this.next();\n\t}\n\n\t/**\n\t * Marks a row to skip in the next iteration. It will also skip cells from the current row if there are any cells from the current row\n\t * to output.\n\t *\n\t * @param {Number} row The row index to skip.\n\t */\n\tskipRow( row ) {\n\t\tthis._skipRows.add( row );\n\t}\n\n\t/**\n\t * Advances internal cursor to the next row.\n\t *\n\t * @private\n\t * @returns {module:table/tablewalker~TableSlot}\n\t */\n\t_advanceToNextRow() {\n\t\tthis._row++;\n\t\tthis._rowIndex++;\n\t\tthis._column = 0;\n\t\tthis._cellIndex = 0;\n\t\tthis._nextCellAtColumn = -1;\n\n\t\treturn this.next();\n\t}\n\n\t/**\n\t * Checks if the current row is over {@link #_endRow}.\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_isOverEndRow() {\n\t\t// If #_endRow is defined skip all rows after it.\n\t\treturn this._endRow !== undefined && this._row > this._endRow;\n\t}\n\n\t/**\n\t * Checks if the current cell is over {@link #_endColumn}\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_isOverEndColumn() {\n\t\t// If #_endColumn is defined skip all cells after it.\n\t\treturn this._endColumn !== undefined && this._column > this._endColumn;\n\t}\n\n\t/**\n\t * A common method for formatting the iterator's output value.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} cell The table cell to output.\n\t * @param {Number} [anchorRow] The row index of a cell anchor slot.\n\t * @param {Number} [anchorColumn] The column index of a cell anchor slot.\n\t * @returns {{done: Boolean, value: {cell: *, row: Number, column: *, rowspan: *, colspan: *, cellIndex: Number}}}\n\t */\n\t_formatOutValue( cell, anchorRow = this._row, anchorColumn = this._column ) {\n\t\treturn {\n\t\t\tdone: false,\n\t\t\tvalue: new TableSlot( this, cell, anchorRow, anchorColumn )\n\t\t};\n\t}\n\n\t/**\n\t * Checks if the current slot should be skipped.\n\t *\n\t * @private\n\t * @returns {Boolean}\n\t */\n\t_shouldSkipSlot() {\n\t\tconst rowIsMarkedAsSkipped = this._skipRows.has( this._row );\n\t\tconst rowIsBeforeStartRow = this._row < this._startRow;\n\n\t\tconst columnIsBeforeStartColumn = this._column < this._startColumn;\n\t\tconst columnIsAfterEndColumn = this._endColumn !== undefined && this._column > this._endColumn;\n\n\t\treturn rowIsMarkedAsSkipped || rowIsBeforeStartRow || columnIsBeforeStartColumn || columnIsAfterEndColumn;\n\t}\n\n\t/**\n\t * Returns the cell element that is spanned over the current cell location.\n\t *\n\t * @private\n\t * @returns {module:engine/model/element~Element}\n\t */\n\t_getSpanned() {\n\t\tconst rowMap = this._spannedCells.get( this._row );\n\n\t\t// No spans for given row.\n\t\tif ( !rowMap ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// If spans for given rows has entry for column it means that this location if spanned by other cell.\n\t\treturn rowMap.get( this._column ) || null;\n\t}\n\n\t/**\n\t * Updates spanned cells map relative to the current cell location and its span dimensions.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} cell A cell that is spanned.\n\t * @param {Number} rowspan Cell height.\n\t * @param {Number} colspan Cell width.\n\t */\n\t_recordSpans( cell, rowspan, colspan ) {\n\t\tconst data = {\n\t\t\tcell,\n\t\t\trow: this._row,\n\t\t\tcolumn: this._column\n\t\t};\n\n\t\tfor ( let rowToUpdate = this._row; rowToUpdate < this._row + rowspan; rowToUpdate++ ) {\n\t\t\tfor ( let columnToUpdate = this._column; columnToUpdate < this._column + colspan; columnToUpdate++ ) {\n\t\t\t\tif ( rowToUpdate != this._row || columnToUpdate != this._column ) {\n\t\t\t\t\tthis._markSpannedCell( rowToUpdate, columnToUpdate, data );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Marks the cell location as spanned by another cell.\n\t *\n\t * @private\n\t * @param {Number} row The row index of the cell location.\n\t * @param {Number} column The column index of the cell location.\n\t * @param {Object} data A spanned cell details (cell element, anchor row and column).\n\t */\n\t_markSpannedCell( row, column, data ) {\n\t\tif ( !this._spannedCells.has( row ) ) {\n\t\t\tthis._spannedCells.set( row, new Map() );\n\t\t}\n\n\t\tconst rowSpans = this._spannedCells.get( row );\n\n\t\trowSpans.set( column, data );\n\t}\n}\n\n/**\n * An object returned by {@link module:table/tablewalker~TableWalker} when traversing table cells.\n */\nclass TableSlot {\n\t/**\n\t * Creates an instance of the table walker value.\n\t *\n\t * @protected\n\t * @param {module:table/tablewalker~TableWalker} tableWalker The table walker instance.\n\t * @param {module:engine/model/element~Element} cell The current table cell.\n\t * @param {Number} anchorRow The row index of a cell anchor slot.\n\t * @param {Number} anchorColumn The column index of a cell anchor slot.\n\t */\n\tconstructor( tableWalker, cell, anchorRow, anchorColumn ) {\n\t\t/**\n\t\t * The current table cell.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t */\n\t\tthis.cell = cell;\n\n\t\t/**\n\t\t * The row index of a table slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.row = tableWalker._row;\n\n\t\t/**\n\t\t * The column index of a table slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.column = tableWalker._column;\n\n\t\t/**\n\t\t * The row index of a cell anchor slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.cellAnchorRow = anchorRow;\n\n\t\t/**\n\t\t * The column index of a cell anchor slot.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t */\n\t\tthis.cellAnchorColumn = anchorColumn;\n\n\t\t/**\n\t\t * The index of the current cell in the parent row.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._cellIndex = tableWalker._cellIndex;\n\n\t\t/**\n\t\t * The index of the current row element in the table.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Number}\n\t\t * @private\n\t\t */\n\t\tthis._rowIndex = tableWalker._rowIndex;\n\n\t\t/**\n\t\t * The table element.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:engine/model/element~Element}\n\t\t * @private\n\t\t */\n\t\tthis._table = tableWalker._table;\n\t}\n\n\t/**\n\t * Whether the cell is anchored in the current slot.\n\t *\n\t * @readonly\n\t * @returns {Boolean}\n\t */\n\tget isAnchor() {\n\t\treturn this.row === this.cellAnchorRow && this.column === this.cellAnchorColumn;\n\t}\n\n\t/**\n\t * The width of a cell defined by a `colspan` attribute. If the model attribute is not present, it is set to `1`.\n\t *\n\t * @readonly\n\t * @returns {Number}\n\t */\n\tget cellWidth() {\n\t\treturn parseInt( this.cell.getAttribute( 'colspan' ) || 1 );\n\t}\n\n\t/**\n\t * The height of a cell defined by a `rowspan` attribute. If the model attribute is not present, it is set to `1`.\n\t *\n\t * @readonly\n\t * @returns {Number}\n\t */\n\tget cellHeight() {\n\t\treturn parseInt( this.cell.getAttribute( 'rowspan' ) || 1 );\n\t}\n\n\t/**\n\t * The index of the current row element in the table.\n\t *\n\t * @readonly\n\t * @returns {Number}\n\t */\n\tget rowIndex() {\n\t\treturn this._rowIndex;\n\t}\n\n\t/**\n\t * Returns the {@link module:engine/model/position~Position} before the table slot.\n\t *\n\t * @returns {module:engine/model/position~Position}\n\t */\n\tgetPositionBefore() {\n\t\tconst model = this._table.root.document.model;\n\n\t\treturn model.createPositionAt( this._table.getChild( this.row ), this._cellIndex );\n\t}\n\n\t// @if CK_DEBUG // get isSpanned() { throwMissingGetterError( 'isSpanned' ); }\n\t// @if CK_DEBUG // get colspan() { throwMissingGetterError( 'colspan' ); }\n\t// @if CK_DEBUG // get rowspan() { throwMissingGetterError( 'rowspan' ); }\n\t// @if CK_DEBUG // get cellIndex() { throwMissingGetterError( 'cellIndex' ); }\n}\n\n/**\n * This `TableSlot`'s getter (property) was removed in CKEditor 5 v20.0.0.\n *\n * Check out the new `TableWalker`'s API in the documentation.\n *\n * @error tableslot-getter-removed\n * @param {String} getterName\n */\n\n// @if CK_DEBUG // function throwMissingGetterError( getterName ) {\n// @if CK_DEBUG //\t\tthrow new CKEditorError( 'tableslot-getter-removed', this, {\n// @if CK_DEBUG //\t\t\tgetterName\n// @if CK_DEBUG //\t\t} );\n// @if CK_DEBUG // }\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/downcast\n */\n\nimport TableWalker from './../tablewalker';\nimport { toWidget, toWidgetEditable } from 'ckeditor5/src/widget';\n\n/**\n * Model table element to view table element conversion helper.\n *\n * This conversion helper creates the whole table element with child elements.\n *\n * @param {Object} options\n * @param {Boolean} options.asWidget If set to `true`, the downcast conversion will produce a widget.\n * @returns {Function} Conversion helper.\n */\nexport function downcastInsertTable( options = {} ) {\n\treturn dispatcher => dispatcher.on( 'insert:table', ( evt, data, conversionApi ) => {\n\t\tconst table = data.item;\n\n\t\tif ( !conversionApi.consumable.consume( table, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Consume attributes if present to not fire attribute change downcast\n\t\tconversionApi.consumable.consume( table, 'attribute:headingRows:table' );\n\t\tconversionApi.consumable.consume( table, 'attribute:headingColumns:table' );\n\n\t\tconst asWidget = options && options.asWidget;\n\n\t\tconst figureElement = conversionApi.writer.createContainerElement( 'figure', { class: 'table' } );\n\t\tconst tableElement = conversionApi.writer.createContainerElement( 'table' );\n\t\tconversionApi.writer.insert( conversionApi.writer.createPositionAt( figureElement, 0 ), tableElement );\n\n\t\tlet tableWidget;\n\n\t\tif ( asWidget ) {\n\t\t\ttableWidget = toTableWidget( figureElement, conversionApi.writer );\n\t\t}\n\n\t\tconst tableWalker = new TableWalker( table );\n\n\t\tconst tableAttributes = {\n\t\t\theadingRows: table.getAttribute( 'headingRows' ) || 0,\n\t\t\theadingColumns: table.getAttribute( 'headingColumns' ) || 0\n\t\t};\n\n\t\t// Cache for created table rows.\n\t\tconst viewRows = new Map();\n\n\t\tfor ( const tableSlot of tableWalker ) {\n\t\t\tconst { row, cell } = tableSlot;\n\n\t\t\tconst tableRow = table.getChild( row );\n\t\t\tconst trElement = viewRows.get( row ) || createTr( tableElement, tableRow, row, tableAttributes, conversionApi );\n\t\t\tviewRows.set( row, trElement );\n\n\t\t\t// Consume table cell - it will be always consumed as we convert whole table at once.\n\t\t\tconversionApi.consumable.consume( cell, 'insert' );\n\n\t\t\tconst insertPosition = conversionApi.writer.createPositionAt( trElement, 'end' );\n\n\t\t\tcreateViewTableCellElement( tableSlot, tableAttributes, insertPosition, conversionApi, options );\n\t\t}\n\n\t\t// Insert empty TR elements if there are any rows without anchored cells. Since the model is always normalized\n\t\t// this can happen only in the document fragment that only part of the table is down-casted.\n\t\tfor ( const tableRow of table.getChildren() ) {\n\t\t\tconst rowIndex = tableRow.index;\n\n\t\t\t// Make sure that this is a table row and not some other element (i.e., caption).\n\t\t\tif ( tableRow.is( 'element', 'tableRow' ) && !viewRows.has( rowIndex ) ) {\n\t\t\t\tviewRows.set( rowIndex, createTr( tableElement, tableRow, rowIndex, tableAttributes, conversionApi ) );\n\t\t\t}\n\t\t}\n\n\t\tconst viewPosition = conversionApi.mapper.toViewPosition( data.range.start );\n\n\t\tconversionApi.mapper.bindElements( table, asWidget ? tableWidget : figureElement );\n\t\tconversionApi.writer.insert( viewPosition, asWidget ? tableWidget : figureElement );\n\t} );\n}\n\n/**\n * Model row element to view `<tr>` element conversion helper.\n *\n * This conversion helper creates the whole `<tr>` element with child elements.\n *\n * @returns {Function} Conversion helper.\n */\nexport function downcastInsertRow() {\n\treturn dispatcher => dispatcher.on( 'insert:tableRow', ( evt, data, conversionApi ) => {\n\t\tconst tableRow = data.item;\n\n\t\tif ( !conversionApi.consumable.consume( tableRow, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst table = tableRow.parent;\n\n\t\tconst figureElement = conversionApi.mapper.toViewElement( table );\n\t\tconst tableElement = getViewTable( figureElement );\n\n\t\tconst row = table.getChildIndex( tableRow );\n\n\t\tconst tableWalker = new TableWalker( table, { row } );\n\n\t\tconst tableAttributes = {\n\t\t\theadingRows: table.getAttribute( 'headingRows' ) || 0,\n\t\t\theadingColumns: table.getAttribute( 'headingColumns' ) || 0\n\t\t};\n\n\t\t// Cache for created table rows.\n\t\tconst viewRows = new Map();\n\n\t\tfor ( const tableSlot of tableWalker ) {\n\t\t\tconst trElement = viewRows.get( row ) || createTr( tableElement, tableRow, row, tableAttributes, conversionApi );\n\t\t\tviewRows.set( row, trElement );\n\n\t\t\t// Consume table cell - it will be always consumed as we convert whole row at once.\n\t\t\tconversionApi.consumable.consume( tableSlot.cell, 'insert' );\n\n\t\t\tconst insertPosition = conversionApi.writer.createPositionAt( trElement, 'end' );\n\n\t\t\tcreateViewTableCellElement( tableSlot, tableAttributes, insertPosition, conversionApi, { asWidget: true } );\n\t\t}\n\t} );\n}\n\n/**\n * Model table cell element to view `<td>` or `<th>` element conversion helper.\n *\n * This conversion helper will create proper `<th>` elements for table cells that are in the heading section (heading row or column)\n * and `<td>` otherwise.\n *\n * @returns {Function} Conversion helper.\n */\nexport function downcastInsertCell() {\n\treturn dispatcher => dispatcher.on( 'insert:tableCell', ( evt, data, conversionApi ) => {\n\t\tconst tableCell = data.item;\n\n\t\tif ( !conversionApi.consumable.consume( tableCell, 'insert' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst tableRow = tableCell.parent;\n\t\tconst table = tableRow.parent;\n\t\tconst rowIndex = table.getChildIndex( tableRow );\n\n\t\tconst tableWalker = new TableWalker( table, { row: rowIndex } );\n\n\t\tconst tableAttributes = {\n\t\t\theadingRows: table.getAttribute( 'headingRows' ) || 0,\n\t\t\theadingColumns: table.getAttribute( 'headingColumns' ) || 0\n\t\t};\n\n\t\t// We need to iterate over a table in order to get proper row & column values from a walker\n\t\tfor ( const tableSlot of tableWalker ) {\n\t\t\tif ( tableSlot.cell === tableCell ) {\n\t\t\t\tconst trElement = conversionApi.mapper.toViewElement( tableRow );\n\t\t\t\tconst insertPosition = conversionApi.writer.createPositionAt( trElement, tableRow.getChildIndex( tableCell ) );\n\n\t\t\t\tcreateViewTableCellElement( tableSlot, tableAttributes, insertPosition, conversionApi, { asWidget: true } );\n\n\t\t\t\t// No need to iterate further.\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\t} );\n}\n\n/**\n * Conversion helper that acts on heading column table attribute change.\n *\n * Depending on changed attributes this converter will rename `<td` to `<th>` elements or vice versa depending on the cell column index.\n *\n * @returns {Function} Conversion helper.\n */\nexport function downcastTableHeadingColumnsChange() {\n\treturn dispatcher => dispatcher.on( 'attribute:headingColumns:table', ( evt, data, conversionApi ) => {\n\t\tconst table = data.item;\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst tableAttributes = {\n\t\t\theadingRows: table.getAttribute( 'headingRows' ) || 0,\n\t\t\theadingColumns: table.getAttribute( 'headingColumns' ) || 0\n\t\t};\n\n\t\tconst oldColumns = data.attributeOldValue;\n\t\tconst newColumns = data.attributeNewValue;\n\n\t\tconst lastColumnToCheck = ( oldColumns > newColumns ? oldColumns : newColumns ) - 1;\n\n\t\tfor ( const tableSlot of new TableWalker( table, { endColumn: lastColumnToCheck } ) ) {\n\t\t\trenameViewTableCellIfRequired( tableSlot, tableAttributes, conversionApi );\n\t\t}\n\t} );\n}\n\n/**\n * Conversion helper that acts on a removed row.\n *\n * @returns {Function} Conversion helper.\n */\nexport function downcastRemoveRow() {\n\treturn dispatcher => dispatcher.on( 'remove:tableRow', ( evt, data, conversionApi ) => {\n\t\t// Prevent default remove converter.\n\t\tevt.stop();\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst mapper = conversionApi.mapper;\n\n\t\tconst viewStart = mapper.toViewPosition( data.position ).getLastMatchingPosition( value => !value.item.is( 'element', 'tr' ) );\n\t\tconst viewItem = viewStart.nodeAfter;\n\t\tconst tableSection = viewItem.parent;\n\t\tconst viewTable = tableSection.parent;\n\n\t\t// Remove associated <tr> from the view.\n\t\tconst removeRange = viewWriter.createRangeOn( viewItem );\n\t\tconst removed = viewWriter.remove( removeRange );\n\n\t\tfor ( const child of viewWriter.createRangeIn( removed ).getItems() ) {\n\t\t\tmapper.unbindViewElement( child );\n\t\t}\n\n\t\t// Cleanup: Ensure that thead & tbody sections are removed if left empty after removing rows. See #6437, #6391.\n\t\tremoveTableSectionIfEmpty( 'thead', viewTable, conversionApi );\n\t\tremoveTableSectionIfEmpty( 'tbody', viewTable, conversionApi );\n\t}, { priority: 'higher' } );\n}\n\n/**\n * Overrides paragraph inside table cell conversion.\n *\n * This converter:\n * * should be used to override default paragraph conversion in the editing view.\n * * It will only convert <paragraph> placed directly inside <tableCell>.\n * * For a single paragraph without attributes it returns `<span>` to simulate data table.\n * * For all other cases it returns `<p>` element.\n *\n * @param {module:engine/model/element~Element} modelElement\n * @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n * @returns {module:engine/view/containerelement~ContainerElement|undefined}\n */\nexport function convertParagraphInTableCell( modelElement, conversionApi ) {\n\tconst { writer } = conversionApi;\n\n\tif ( !modelElement.parent.is( 'element', 'tableCell' ) ) {\n\t\treturn;\n\t}\n\n\tif ( isSingleParagraphWithoutAttributes( modelElement ) ) {\n\t\treturn writer.createContainerElement( 'span', { class: 'ck-table-bogus-paragraph' } );\n\t} else {\n\t\treturn writer.createContainerElement( 'p' );\n\t}\n}\n\n/**\n * Checks if given model `<paragraph>` is an only child of a parent (`<tableCell>`) and if it has any attribute set.\n *\n * The paragraph should be converted in the editing view to:\n *\n * * If returned `true` - to a `<span class=\"ck-table-bogus-paragraph\">`\n * * If returned `false` - to a `<p>`\n *\n * @param {module:engine/model/element~Element} modelElement\n * @returns {Boolean}\n */\nexport function isSingleParagraphWithoutAttributes( modelElement ) {\n\tconst tableCell = modelElement.parent;\n\n\tconst isSingleParagraph = tableCell.childCount === 1;\n\n\treturn isSingleParagraph && !hasAnyAttribute( modelElement );\n}\n\n// Converts a given {@link module:engine/view/element~Element} to a table widget:\n// * Adds a {@link module:engine/view/element~Element#_setCustomProperty custom property} allowing to recognize the table widget element.\n// * Calls the {@link module:widget/utils~toWidget} function with the proper element's label creator.\n//\n// @param {module:engine/view/element~Element} viewElement\n// @param {module:engine/view/downcastwriter~DowncastWriter} writer An instance of the view writer.\n// @param {String} label The element's label. It will be concatenated with the table `alt` attribute if one is present.\n// @returns {module:engine/view/element~Element}\nfunction toTableWidget( viewElement, writer ) {\n\twriter.setCustomProperty( 'table', true, viewElement );\n\n\treturn toWidget( viewElement, writer, { hasSelectionHandle: true } );\n}\n\n// Renames an existing table cell in the view to a given element name.\n//\n// **Note** This method will not do anything if a view table cell has not been converted yet.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @param {String} desiredCellElementName\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction renameViewTableCell( tableCell, desiredCellElementName, conversionApi ) {\n\tconst viewWriter = conversionApi.writer;\n\tconst viewCell = conversionApi.mapper.toViewElement( tableCell );\n\n\tconst editable = viewWriter.createEditableElement( desiredCellElementName, viewCell.getAttributes() );\n\tconst renamedCell = toWidgetEditable( editable, viewWriter );\n\n\tviewWriter.insert( viewWriter.createPositionAfter( viewCell ), renamedCell );\n\tviewWriter.move( viewWriter.createRangeIn( viewCell ), viewWriter.createPositionAt( renamedCell, 0 ) );\n\tviewWriter.remove( viewWriter.createRangeOn( viewCell ) );\n\n\tconversionApi.mapper.unbindViewElement( viewCell );\n\tconversionApi.mapper.bindElements( tableCell, renamedCell );\n}\n\n// Renames a table cell element in the view according to its location in the table.\n//\n// @param {module:table/tablewalker~TableSlot} tableSlot\n// @param {{headingColumns, headingRows}} tableAttributes\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction renameViewTableCellIfRequired( tableSlot, tableAttributes, conversionApi ) {\n\tconst { cell } = tableSlot;\n\n\t// Check whether current columnIndex is overlapped by table cells from previous rows.\n\tconst desiredCellElementName = getCellElementName( tableSlot, tableAttributes );\n\n\tconst viewCell = conversionApi.mapper.toViewElement( cell );\n\n\t// If in single change we're converting attribute changes and inserting cell the table cell might not be inserted into view\n\t// because of child conversion is done after parent.\n\tif ( viewCell && viewCell.name !== desiredCellElementName ) {\n\t\trenameViewTableCell( cell, desiredCellElementName, conversionApi );\n\t}\n}\n\n// Creates a table cell element in the view.\n//\n// @param {module:table/tablewalker~TableSlot} tableSlot\n// @param {module:engine/view/position~Position} insertPosition\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction createViewTableCellElement( tableSlot, tableAttributes, insertPosition, conversionApi, options ) {\n\tconst asWidget = options && options.asWidget;\n\tconst cellElementName = getCellElementName( tableSlot, tableAttributes );\n\n\tconst cellElement = asWidget ?\n\t\ttoWidgetEditable( conversionApi.writer.createEditableElement( cellElementName ), conversionApi.writer ) :\n\t\tconversionApi.writer.createContainerElement( cellElementName );\n\n\tconst tableCell = tableSlot.cell;\n\n\tconst firstChild = tableCell.getChild( 0 );\n\tconst isSingleParagraph = tableCell.childCount === 1 && firstChild.name === 'paragraph';\n\n\tconversionApi.writer.insert( insertPosition, cellElement );\n\n\tconversionApi.mapper.bindElements( tableCell, cellElement );\n\n\t// Additional requirement for data pipeline to have backward compatible data tables.\n\tif ( !asWidget && isSingleParagraph && !hasAnyAttribute( firstChild ) ) {\n\t\tconst innerParagraph = tableCell.getChild( 0 );\n\n\t\tconversionApi.consumable.consume( innerParagraph, 'insert' );\n\n\t\tconversionApi.mapper.bindElements( innerParagraph, cellElement );\n\t}\n}\n\n// Creates a `<tr>` view element.\n//\n// @param {module:engine/view/element~Element} tableElement\n// @param {module:engine/model/element~Element} tableRow\n// @param {Number} rowIndex\n// @param {{headingColumns, headingRows}} tableAttributes\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n// @returns {module:engine/view/element~Element}\nfunction createTr( tableElement, tableRow, rowIndex, tableAttributes, conversionApi ) {\n\t// Will always consume since we're converting <tableRow> element from a parent <table>.\n\tconversionApi.consumable.consume( tableRow, 'insert' );\n\n\tconst trElement = tableRow.isEmpty ?\n\t\tconversionApi.writer.createEmptyElement( 'tr' ) :\n\t\tconversionApi.writer.createContainerElement( 'tr' );\n\n\tconversionApi.mapper.bindElements( tableRow, trElement );\n\n\tconst headingRows = tableAttributes.headingRows;\n\tconst tableSection = getOrCreateTableSection( getSectionName( rowIndex, tableAttributes ), tableElement, conversionApi );\n\n\tconst offset = headingRows > 0 && rowIndex >= headingRows ? rowIndex - headingRows : rowIndex;\n\tconst position = conversionApi.writer.createPositionAt( tableSection, offset );\n\n\tconversionApi.writer.insert( position, trElement );\n\n\treturn trElement;\n}\n\n// Returns `th` for heading cells and `td` for other cells for the current table walker value.\n//\n// @param {module:table/tablewalker~TableSlot} tableSlot\n// @param {{headingColumns, headingRows}} tableAttributes\n// @returns {String}\nfunction getCellElementName( tableSlot, tableAttributes ) {\n\tconst { row, column } = tableSlot;\n\tconst { headingColumns, headingRows } = tableAttributes;\n\n\t// Column heading are all tableCells in the first `columnHeading` rows.\n\tconst isColumnHeading = headingRows && headingRows > row;\n\n\t// So a whole row gets <th> element.\n\tif ( isColumnHeading ) {\n\t\treturn 'th';\n\t}\n\n\t// Row heading are tableCells which columnIndex is lower then headingColumns.\n\tconst isRowHeading = headingColumns && headingColumns > column;\n\n\treturn isRowHeading ? 'th' : 'td';\n}\n\n// Returns the table section name for the current table walker value.\n//\n// @param {Number} row\n// @param {{headingColumns, headingRows}} tableAttributes\n// @returns {String}\nfunction getSectionName( row, tableAttributes ) {\n\treturn row < tableAttributes.headingRows ? 'thead' : 'tbody';\n}\n\n// Creates or returns an existing `<tbody>` or `<thead>` element with caching.\n//\n// @param {String} sectionName\n// @param {module:engine/view/element~Element} viewTable\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n// @param {Object} cachedTableSection An object that stores cached elements.\n// @returns {module:engine/view/containerelement~ContainerElement}\nfunction getOrCreateTableSection( sectionName, viewTable, conversionApi ) {\n\tconst viewTableSection = getExistingTableSectionElement( sectionName, viewTable );\n\n\treturn viewTableSection ? viewTableSection : createTableSection( sectionName, viewTable, conversionApi );\n}\n\n// Finds an existing `<tbody>` or `<thead>` element or returns undefined.\n//\n// @param {String} sectionName\n// @param {module:engine/view/element~Element} tableElement\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction getExistingTableSectionElement( sectionName, tableElement ) {\n\tfor ( const tableSection of tableElement.getChildren() ) {\n\t\tif ( tableSection.name == sectionName ) {\n\t\t\treturn tableSection;\n\t\t}\n\t}\n}\n\n// Creates a table section at the end of the table.\n//\n// @param {String} sectionName\n// @param {module:engine/view/element~Element} tableElement\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n// @returns {module:engine/view/containerelement~ContainerElement}\nfunction createTableSection( sectionName, tableElement, conversionApi ) {\n\tconst tableChildElement = conversionApi.writer.createContainerElement( sectionName );\n\n\tconst insertPosition = conversionApi.writer.createPositionAt( tableElement, sectionName == 'tbody' ? 'end' : 0 );\n\n\tconversionApi.writer.insert( insertPosition, tableChildElement );\n\n\treturn tableChildElement;\n}\n\n// Removes an existing `<tbody>` or `<thead>` element if it is empty.\n//\n// @param {String} sectionName\n// @param {module:engine/view/element~Element} tableElement\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\nfunction removeTableSectionIfEmpty( sectionName, tableElement, conversionApi ) {\n\tconst tableSection = getExistingTableSectionElement( sectionName, tableElement );\n\n\tif ( tableSection && tableSection.childCount === 0 ) {\n\t\tconversionApi.writer.remove( conversionApi.writer.createRangeOn( tableSection ) );\n\t}\n}\n\n// Finds a '<table>' element inside the `<figure>` widget.\n//\n// @param {module:engine/view/element~Element} viewFigure\nfunction getViewTable( viewFigure ) {\n\tfor ( const child of viewFigure.getChildren() ) {\n\t\tif ( child.name === 'table' ) {\n\t\t\treturn child;\n\t\t}\n\t}\n}\n\n// Checks if an element has any attributes set.\n//\n// @param {module:engine/model/element~Element element\n// @returns {Boolean}\nfunction hasAnyAttribute( element ) {\n\treturn !![ ...element.getAttributeKeys() ].length;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/inserttablecommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { findOptimalInsertionRange } from 'ckeditor5/src/widget';\n\n/**\n * The insert table command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'insertTable'` editor command.\n *\n * To insert a table at the current selection, execute the command and specify the dimensions:\n *\n *\t\teditor.execute( 'insertTable', { rows: 20, columns: 5 } );\n *\n * @extends module:core/command~Command\n */\nexport default class InsertTableCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst schema = model.schema;\n\n\t\tthis.isEnabled = isAllowedInParent( selection, schema );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * Inserts a table with the given number of rows and columns into the editor.\n\t *\n\t * @param {Object} options\n\t * @param {Number} [options.rows=2] The number of rows to create in the inserted table.\n\t * @param {Number} [options.columns=2] The number of columns to create in the inserted table.\n\t * @param {Number} [options.headingRows] The number of heading rows.\n\t * If not provided it will default to {@link module:table/table~TableConfig#defaultHeadings `config.table.defaultHeadings.rows`}\n\t * table config.\n\t * @param {Number} [options.headingColumns] The number of heading columns.\n\t * If not provided it will default to {@link module:table/table~TableConfig#defaultHeadings `config.table.defaultHeadings.columns`}\n\t * table config.\n\t * @fires execute\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\tconst config = this.editor.config.get( 'table' );\n\n\t\tconst insertionRange = findOptimalInsertionRange( selection, model );\n\n\t\tconst defaultRows = config.defaultHeadings.rows;\n\t\tconst defaultColumns = config.defaultHeadings.columns;\n\n\t\tif ( options.headingRows === undefined && defaultRows ) {\n\t\t\toptions.headingRows = defaultRows;\n\t\t}\n\n\t\tif ( options.headingColumns === undefined && defaultColumns ) {\n\t\t\toptions.headingColumns = defaultColumns;\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\tconst table = tableUtils.createTable( writer, options );\n\n\t\t\tmodel.insertContent( table, insertionRange );\n\n\t\t\twriter.setSelection( writer.createPositionAt( table.getNodeByPath( [ 0, 0, 0 ] ), 0 ) );\n\t\t} );\n\t}\n}\n\n// Checks if the table is allowed in the parent.\n//\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// @param {module:engine/model/schema~Schema} schema\n// @returns {Boolean}\nfunction isAllowedInParent( selection, schema ) {\n\tconst positionParent = selection.getFirstPosition().parent;\n\tconst validParent = positionParent === positionParent.root ? positionParent : positionParent.parent;\n\n\treturn schema.checkChild( validParent, 'table' );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/selection\n */\n\nimport TableWalker from '../tablewalker';\n\n/**\n * Returns all model table cells that are fully selected (from the outside)\n * within the provided model selection's ranges.\n *\n * To obtain the cells selected from the inside, use\n * {@link module:table/utils/selection~getTableCellsContainingSelection}.\n *\n * @param {module:engine/model/selection~Selection} selection\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getSelectedTableCells( selection ) {\n\tconst cells = [];\n\n\tfor ( const range of sortRanges( selection.getRanges() ) ) {\n\t\tconst element = range.getContainedElement();\n\n\t\tif ( element && element.is( 'element', 'tableCell' ) ) {\n\t\t\tcells.push( element );\n\t\t}\n\t}\n\n\treturn cells;\n}\n\n/**\n * Returns all model table cells that the provided model selection's ranges\n * {@link module:engine/model/range~Range#start} inside.\n *\n * To obtain the cells selected from the outside, use\n * {@link module:table/utils/selection~getSelectedTableCells}.\n *\n * @param {module:engine/model/selection~Selection} selection\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getTableCellsContainingSelection( selection ) {\n\tconst cells = [];\n\n\tfor ( const range of selection.getRanges() ) {\n\t\tconst cellWithSelection = range.start.findAncestor( 'tableCell' );\n\n\t\tif ( cellWithSelection ) {\n\t\t\tcells.push( cellWithSelection );\n\t\t}\n\t}\n\n\treturn cells;\n}\n\n/**\n * Returns all model table cells that are either completely selected\n * by selection ranges or host selection range\n * {@link module:engine/model/range~Range#start start positions} inside them.\n *\n * Combines {@link module:table/utils/selection~getTableCellsContainingSelection} and\n * {@link module:table/utils/selection~getSelectedTableCells}.\n *\n * @param {module:engine/model/selection~Selection} selection\n * @returns {Array.<module:engine/model/element~Element>}\n */\nexport function getSelectionAffectedTableCells( selection ) {\n\tconst selectedCells = getSelectedTableCells( selection );\n\n\tif ( selectedCells.length ) {\n\t\treturn selectedCells;\n\t}\n\n\treturn getTableCellsContainingSelection( selection );\n}\n\n/**\n * Returns an object with the `first` and `last` row index contained in the given `tableCells`.\n *\n *\t\tconst selectedTableCells = getSelectedTableCells( editor.model.document.selection );\n *\n *\t\tconst { first, last } = getRowIndexes( selectedTableCells );\n *\n *\t\tconsole.log( `Selected rows: ${ first } to ${ last }` );\n *\n * @param {Array.<module:engine/model/element~Element>} tableCells\n * @returns {Object} Returns an object with the `first` and `last` table row indexes.\n */\nexport function getRowIndexes( tableCells ) {\n\tconst indexes = tableCells.map( cell => cell.parent.index );\n\n\treturn getFirstLastIndexesObject( indexes );\n}\n\n/**\n * Returns an object with the `first` and `last` column index contained in the given `tableCells`.\n *\n *\t\tconst selectedTableCells = getSelectedTableCells( editor.model.document.selection );\n *\n *\t\tconst { first, last } = getColumnIndexes( selectedTableCells );\n *\n *\t\tconsole.log( `Selected columns: ${ first } to ${ last }` );\n *\n * @param {Array.<module:engine/model/element~Element>} tableCells\n * @returns {Object} Returns an object with the `first` and `last` table column indexes.\n */\nexport function getColumnIndexes( tableCells ) {\n\tconst table = tableCells[ 0 ].findAncestor( 'table' );\n\tconst tableMap = [ ...new TableWalker( table ) ];\n\n\tconst indexes = tableMap\n\t\t.filter( entry => tableCells.includes( entry.cell ) )\n\t\t.map( entry => entry.column );\n\n\treturn getFirstLastIndexesObject( indexes );\n}\n\n/**\n * Checks if the selection contains cells that do not exceed rectangular selection.\n *\n * In a table below:\n *\n *\t\t┌───┬───┬───┬───┐\n *\t\t│ a │ b │ c │ d │\n *\t\t├───┴───┼───┤   │\n *\t\t│ e     │ f │   │\n *\t\t│       ├───┼───┤\n *\t\t│       │ g │ h │\n *\t\t└───────┴───┴───┘\n *\n * Valid selections are these which create a solid rectangle (without gaps), such as:\n *   - a, b (two horizontal cells)\n *   - c, f (two vertical cells)\n *   - a, b, e (cell \"e\" spans over four cells)\n *   - c, d, f (cell d spans over a cell in the row below)\n *\n * While an invalid selection would be:\n *   - a, c (the unselected cell \"b\" creates a gap)\n *   - f, g, h (cell \"d\" spans over a cell from the row of \"f\" cell - thus creates a gap)\n *\n * @param {Array.<module:engine/model/element~Element>} selectedTableCells\n * @param {module:table/tableutils~TableUtils} tableUtils\n * @returns {Boolean}\n */\nexport function isSelectionRectangular( selectedTableCells, tableUtils ) {\n\tif ( selectedTableCells.length < 2 || !areCellInTheSameTableSection( selectedTableCells ) ) {\n\t\treturn false;\n\t}\n\n\t// A valid selection is a fully occupied rectangle composed of table cells.\n\t// Below we will calculate the area of a selected table cells and the area of valid selection.\n\t// The area of a valid selection is defined by top-left and bottom-right cells.\n\tconst rows = new Set();\n\tconst columns = new Set();\n\n\tlet areaOfSelectedCells = 0;\n\n\tfor ( const tableCell of selectedTableCells ) {\n\t\tconst { row, column } = tableUtils.getCellLocation( tableCell );\n\t\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\t\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\n\t\t// Record row & column indexes of current cell.\n\t\trows.add( row );\n\t\tcolumns.add( column );\n\n\t\t// For cells that spans over multiple rows add also the last row that this cell spans over.\n\t\tif ( rowspan > 1 ) {\n\t\t\trows.add( row + rowspan - 1 );\n\t\t}\n\n\t\t// For cells that spans over multiple columns add also the last column that this cell spans over.\n\t\tif ( colspan > 1 ) {\n\t\t\tcolumns.add( column + colspan - 1 );\n\t\t}\n\n\t\tareaOfSelectedCells += ( rowspan * colspan );\n\t}\n\n\t// We can only merge table cells that are in adjacent rows...\n\tconst areaOfValidSelection = getBiggestRectangleArea( rows, columns );\n\n\treturn areaOfValidSelection == areaOfSelectedCells;\n}\n\n/**\n * Returns array of sorted ranges.\n *\n * @param {Iterable.<module:engine/model/range~Range>} ranges\n * @return {Array.<module:engine/model/range~Range>}\n */\nexport function sortRanges( ranges ) {\n\treturn Array.from( ranges ).sort( compareRangeOrder );\n}\n\n// Helper method to get an object with `first` and `last` indexes from an unsorted array of indexes.\nfunction getFirstLastIndexesObject( indexes ) {\n\tconst allIndexesSorted = indexes.sort( ( indexA, indexB ) => indexA - indexB );\n\n\tconst first = allIndexesSorted[ 0 ];\n\tconst last = allIndexesSorted[ allIndexesSorted.length - 1 ];\n\n\treturn { first, last };\n}\n\nfunction compareRangeOrder( rangeA, rangeB ) {\n\t// Since table cell ranges are disjoint, it's enough to check their start positions.\n\tconst posA = rangeA.start;\n\tconst posB = rangeB.start;\n\n\t// Checking for equal position (returning 0) is not needed because this would be either:\n\t// a. Intersecting range (not allowed by model)\n\t// b. Collapsed range on the same position (allowed by model but should not happen).\n\treturn posA.isBefore( posB ) ? -1 : 1;\n}\n\n// Calculates the area of a maximum rectangle that can span over the provided row & column indexes.\n//\n// @param {Array.<Number>} rows\n// @param {Array.<Number>} columns\n// @returns {Number}\nfunction getBiggestRectangleArea( rows, columns ) {\n\tconst rowsIndexes = Array.from( rows.values() );\n\tconst columnIndexes = Array.from( columns.values() );\n\n\tconst lastRow = Math.max( ...rowsIndexes );\n\tconst firstRow = Math.min( ...rowsIndexes );\n\tconst lastColumn = Math.max( ...columnIndexes );\n\tconst firstColumn = Math.min( ...columnIndexes );\n\n\treturn ( lastRow - firstRow + 1 ) * ( lastColumn - firstColumn + 1 );\n}\n\n// Checks if the selection does not mix a header (column or row) with other cells.\n//\n// For instance, in the table below valid selections consist of cells with the same letter only.\n// So, a-a (same heading row and column) or d-d (body cells) are valid while c-d or a-b are not.\n//\n//\t\t header columns\n//\t\t  ↓   ↓\n//\t\t┌───┬───┬───┬───┐\n//\t\t│ a │ a │ b │ b │  ← header row\n//\t\t├───┼───┼───┼───┤\n//\t\t│ c │ c │ d │ d │\n//\t\t├───┼───┼───┼───┤\n//\t\t│ c │ c │ d │ d │\n//\t\t└───┴───┴───┴───┘\nfunction areCellInTheSameTableSection( tableCells ) {\n\tconst table = tableCells[ 0 ].findAncestor( 'table' );\n\n\tconst rowIndexes = getRowIndexes( tableCells );\n\tconst headingRows = parseInt( table.getAttribute( 'headingRows' ) || 0 );\n\n\t// Calculating row indexes is a bit cheaper so if this check fails we can't merge.\n\tif ( !areIndexesInSameSection( rowIndexes, headingRows ) ) {\n\t\treturn false;\n\t}\n\n\tconst headingColumns = parseInt( table.getAttribute( 'headingColumns' ) || 0 );\n\tconst columnIndexes = getColumnIndexes( tableCells );\n\n\t// Similarly cells must be in same column section.\n\treturn areIndexesInSameSection( columnIndexes, headingColumns );\n}\n\n// Unified check if table rows/columns indexes are in the same heading/body section.\nfunction areIndexesInSameSection( { first, last }, headingSectionSize ) {\n\tconst firstCellIsInHeading = first < headingSectionSize;\n\tconst lastCellIsInHeading = last < headingSectionSize;\n\n\treturn firstCellIsInHeading === lastCellIsInHeading;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/insertrowcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { getRowIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The insert row command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'insertTableRowBelow'` and\n * `'insertTableRowAbove'` editor commands.\n *\n * To insert a row below the selected cell, execute the following command:\n *\n *\t\teditor.execute( 'insertTableRowBelow' );\n *\n * To insert a row above the selected cell, execute the following command:\n *\n *\t\teditor.execute( 'insertTableRowAbove' );\n *\n * @extends module:core/command~Command\n */\nexport default class InsertRowCommand extends Command {\n\t/**\n\t * Creates a new `InsertRowCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor on which this command will be used.\n\t * @param {Object} options\n\t * @param {String} [options.order=\"below\"] The order of insertion relative to the row in which the caret is located.\n\t * Possible values: `\"above\"` and `\"below\"`.\n\t */\n\tconstructor( editor, options = {} ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The order of insertion relative to the row in which the caret is located.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} module:table/commands/insertrowcommand~InsertRowCommand#order\n\t\t */\n\t\tthis.order = options.order || 'below';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst isAnyCellSelected = !!getSelectionAffectedTableCells( selection ).length;\n\n\t\tthis.isEnabled = isAnyCellSelected;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * Depending on the command's {@link #order} value, it inserts a row `'below'` or `'above'` the row in which selection is set.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst tableUtils = editor.plugins.get( 'TableUtils' );\n\t\tconst insertAbove = this.order === 'above';\n\n\t\tconst affectedTableCells = getSelectionAffectedTableCells( selection );\n\t\tconst rowIndexes = getRowIndexes( affectedTableCells );\n\n\t\tconst row = insertAbove ? rowIndexes.first : rowIndexes.last;\n\t\tconst table = affectedTableCells[ 0 ].findAncestor( 'table' );\n\n\t\ttableUtils.insertRows( table, { at: insertAbove ? row : row + 1, copyStructureFromAbove: !insertAbove } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/insertcolumncommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { getColumnIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The insert column command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'insertTableColumnLeft'` and\n * `'insertTableColumnRight'` editor commands.\n *\n * To insert a column to the left of the selected cell, execute the following command:\n *\n *\t\teditor.execute( 'insertTableColumnLeft' );\n *\n * To insert a column to the right of the selected cell, execute the following command:\n *\n *\t\teditor.execute( 'insertTableColumnRight' );\n *\n * @extends module:core/command~Command\n */\nexport default class InsertColumnCommand extends Command {\n\t/**\n\t * Creates a new `InsertColumnCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor on which this command will be used.\n\t * @param {Object} options\n\t * @param {String} [options.order=\"right\"] The order of insertion relative to the column in which the caret is located.\n\t * Possible values: `\"left\"` and `\"right\"`.\n\t */\n\tconstructor( editor, options = {} ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The order of insertion relative to the column in which the caret is located.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} module:table/commands/insertcolumncommand~InsertColumnCommand#order\n\t\t */\n\t\tthis.order = options.order || 'right';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst isAnyCellSelected = !!getSelectionAffectedTableCells( selection ).length;\n\n\t\tthis.isEnabled = isAnyCellSelected;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * Depending on the command's {@link #order} value, it inserts a column to the `'left'` or `'right'` of the column\n\t * in which the selection is set.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst tableUtils = editor.plugins.get( 'TableUtils' );\n\t\tconst insertBefore = this.order === 'left';\n\n\t\tconst affectedTableCells = getSelectionAffectedTableCells( selection );\n\t\tconst columnIndexes = getColumnIndexes( affectedTableCells );\n\n\t\tconst column = insertBefore ? columnIndexes.first : columnIndexes.last;\n\t\tconst table = affectedTableCells[ 0 ].findAncestor( 'table' );\n\n\t\ttableUtils.insertColumns( table, { columns: 1, at: insertBefore ? column : column + 1 } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/splitcellcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The split cell command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'splitTableCellVertically'`\n * and `'splitTableCellHorizontally'`  editor commands.\n *\n * You can split any cell vertically or horizontally by executing this command. For example, to split the selected table cell vertically:\n *\n *\t\teditor.execute( 'splitTableCellVertically' );\n *\n * @extends module:core/command~Command\n */\nexport default class SplitCellCommand extends Command {\n\t/**\n\t * Creates a new `SplitCellCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor on which this command will be used.\n\t * @param {Object} options\n\t * @param {String} options.direction Indicates whether the command should split cells `'horizontally'` or `'vertically'`.\n\t */\n\tconstructor( editor, options = {} ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The direction that indicates which cell will be split.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} #direction\n\t\t */\n\t\tthis.direction = options.direction || 'horizontally';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\n\t\tthis.isEnabled = selectedCells.length === 1;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst tableCell = getSelectionAffectedTableCells( this.editor.model.document.selection )[ 0 ];\n\t\tconst isHorizontal = this.direction === 'horizontally';\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\n\t\tif ( isHorizontal ) {\n\t\t\ttableUtils.splitCellHorizontally( tableCell, 2 );\n\t\t} else {\n\t\t\ttableUtils.splitCellVertically( tableCell, 2 );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/structure\n */\n\nimport TableWalker from '../tablewalker';\nimport { createEmptyTableCell, updateNumericAttribute } from './common';\n\n/**\n * Returns a cropped table according to given dimensions.\n\n * To return a cropped table that starts at first row and first column and end in third row and column:\n *\n *\t\tconst croppedTable = cropTableToDimensions( table, {\n *\t\t\tstartRow: 1,\n *\t\t\tendRow: 3,\n *\t\t\tstartColumn: 1,\n *\t\t\tendColumn: 3\n *\t\t}, writer );\n *\n * Calling the code above for the table below:\n *\n *\t\t      0   1   2   3   4                      0   1   2\n *\t\t    ┌───┬───┬───┬───┬───┐\n *\t\t 0  │ a │ b │ c │ d │ e │\n *\t\t    ├───┴───┤   ├───┴───┤                  ┌───┬───┬───┐\n *\t\t 1  │ f     │   │ g     │                  │   │   │ g │  0\n *\t\t    ├───┬───┴───┼───┬───┤   will return:   ├───┴───┼───┤\n *\t\t 2  │ h │ i     │ j │ k │                  │ i     │ j │  1\n *\t\t    ├───┤       ├───┤   │                  │       ├───┤\n *\t\t 3  │ l │       │ m │   │                  │       │ m │  2\n *\t\t    ├───┼───┬───┤   ├───┤                  └───────┴───┘\n *\t\t 4  │ n │ o │ p │   │ q │\n *\t\t    └───┴───┴───┴───┴───┘\n *\n * @param {module:engine/model/element~Element} sourceTable\n * @param {Object} cropDimensions\n * @param {Number} cropDimensions.startRow\n * @param {Number} cropDimensions.startColumn\n * @param {Number} cropDimensions.endRow\n * @param {Number} cropDimensions.endColumn\n * @param {module:engine/model/writer~Writer} writer\n * @returns {module:engine/model/element~Element}\n */\nexport function cropTableToDimensions( sourceTable, cropDimensions, writer ) {\n\tconst { startRow, startColumn, endRow, endColumn } = cropDimensions;\n\n\t// Create empty table with empty rows equal to crop height.\n\tconst croppedTable = writer.createElement( 'table' );\n\tconst cropHeight = endRow - startRow + 1;\n\n\tfor ( let i = 0; i < cropHeight; i++ ) {\n\t\twriter.insertElement( 'tableRow', croppedTable, 'end' );\n\t}\n\n\tconst tableMap = [ ...new TableWalker( sourceTable, { startRow, endRow, startColumn, endColumn, includeAllSlots: true } ) ];\n\n\t// Iterate over source table slots (including empty - spanned - ones).\n\tfor ( const { row: sourceRow, column: sourceColumn, cell: tableCell, isAnchor, cellAnchorRow, cellAnchorColumn } of tableMap ) {\n\t\t// Row index in cropped table.\n\t\tconst rowInCroppedTable = sourceRow - startRow;\n\t\tconst row = croppedTable.getChild( rowInCroppedTable );\n\n\t\t// For empty slots: fill the gap with empty table cell.\n\t\tif ( !isAnchor ) {\n\t\t\t// But fill the gap only if the spanning cell is anchored outside cropped area.\n\t\t\t// In the table from method jsdoc those cells are: \"c\" & \"f\".\n\t\t\tif ( cellAnchorRow < startRow || cellAnchorColumn < startColumn ) {\n\t\t\t\tcreateEmptyTableCell( writer, writer.createPositionAt( row, 'end' ) );\n\t\t\t}\n\t\t}\n\t\t// Otherwise clone the cell with all children and trim if it exceeds cropped area.\n\t\telse {\n\t\t\tconst tableCellCopy = writer.cloneElement( tableCell );\n\n\t\t\twriter.append( tableCellCopy, row );\n\n\t\t\t// Trim table if it exceeds cropped area.\n\t\t\t// In the table from method jsdoc those cells are: \"g\" & \"m\".\n\t\t\ttrimTableCellIfNeeded( tableCellCopy, sourceRow, sourceColumn, endRow, endColumn, writer );\n\t\t}\n\t}\n\n\t// Adjust heading rows & columns in cropped table if crop selection includes headings parts.\n\taddHeadingsToCroppedTable( croppedTable, sourceTable, startRow, startColumn, writer );\n\n\treturn croppedTable;\n}\n\n/**\n * Returns slot info of cells that starts above and overlaps a given row.\n *\n * In a table below, passing `overlapRow = 3`\n *\n *\t\t   ┌───┬───┬───┬───┬───┐\n *\t\t0  │ a │ b │ c │ d │ e │\n *\t\t   │   ├───┼───┼───┼───┤\n *\t\t1  │   │ f │ g │ h │ i │\n *\t\t   ├───┤   ├───┼───┤   │\n *\t\t2  │ j │   │ k │ l │   │\n *\t\t   │   │   │   ├───┼───┤\n *\t\t3  │   │   │   │ m │ n │  <- overlap row to check\n *\t\t   ├───┼───┤   │   ├───│\n *\t\t4  │ o │ p │   │   │ q │\n *\t\t   └───┴───┴───┴───┴───┘\n *\n * will return slot info for cells: \"j\", \"f\", \"k\".\n *\n * @param {module:engine/model/element~Element} table The table to check.\n * @param {Number} overlapRow The index of the row to check.\n * @param {Number} [startRow=0] A row to start analysis. Use it when it is known that the cells above that row will not overlap.\n * @returns {Array.<module:table/tablewalker~TableSlot>}\n */\nexport function getVerticallyOverlappingCells( table, overlapRow, startRow = 0 ) {\n\tconst cells = [];\n\n\tconst tableWalker = new TableWalker( table, { startRow, endRow: overlapRow - 1 } );\n\n\tfor ( const slotInfo of tableWalker ) {\n\t\tconst { row, cellHeight } = slotInfo;\n\t\tconst cellEndRow = row + cellHeight - 1;\n\n\t\tif ( row < overlapRow && overlapRow <= cellEndRow ) {\n\t\t\tcells.push( slotInfo );\n\t\t}\n\t}\n\n\treturn cells;\n}\n\n/**\n * Splits the table cell horizontally.\n *\n * @param {module:engine/model/element~Element} tableCell\n * @param {Number} splitRow\n * @param {module:engine/model/writer~Writer} writer\n * @returns {module:engine/model/element~Element} Created table cell.\n */\nexport function splitHorizontally( tableCell, splitRow, writer ) {\n\tconst tableRow = tableCell.parent;\n\tconst table = tableRow.parent;\n\tconst rowIndex = tableRow.index;\n\n\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) );\n\tconst newRowspan = splitRow - rowIndex;\n\n\tconst newCellAttributes = {};\n\tconst newCellRowSpan = rowspan - newRowspan;\n\n\tif ( newCellRowSpan > 1 ) {\n\t\tnewCellAttributes.rowspan = newCellRowSpan;\n\t}\n\n\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\n\tif ( colspan > 1 ) {\n\t\tnewCellAttributes.colspan = colspan;\n\t}\n\n\tconst startRow = rowIndex;\n\tconst endRow = startRow + newRowspan;\n\tconst tableMap = [ ...new TableWalker( table, { startRow, endRow, includeAllSlots: true } ) ];\n\n\tlet newCell = null;\n\tlet columnIndex;\n\n\tfor ( const tableSlot of tableMap ) {\n\t\tconst { row, column, cell } = tableSlot;\n\n\t\tif ( cell === tableCell && columnIndex === undefined ) {\n\t\t\tcolumnIndex = column;\n\t\t}\n\n\t\tif ( columnIndex !== undefined && columnIndex === column && row === endRow ) {\n\t\t\tnewCell = createEmptyTableCell( writer, tableSlot.getPositionBefore(), newCellAttributes );\n\t\t}\n\t}\n\n\t// Update the rowspan attribute after updating table.\n\tupdateNumericAttribute( 'rowspan', newRowspan, tableCell, writer );\n\n\treturn newCell;\n}\n\n/**\n * Returns slot info of cells that starts before and overlaps a given column.\n *\n * In a table below, passing `overlapColumn = 3`\n *\n *\t\t  0   1   2   3   4\n *\t\t┌───────┬───────┬───┐\n *\t\t│ a     │ b     │ c │\n *\t\t│───┬───┴───────┼───┤\n *\t\t│ d │ e         │ f │\n *\t\t├───┼───┬───────┴───┤\n *\t\t│ g │ h │ i         │\n *\t\t├───┼───┼───┬───────┤\n *\t\t│ j │ k │ l │ m     │\n *\t\t├───┼───┴───┼───┬───┤\n *\t\t│ n │ o     │ p │ q │\n *\t\t└───┴───────┴───┴───┘\n *\t\t              ^\n *\t\t              Overlap column to check\n *\n * will return slot info for cells: \"b\", \"e\", \"i\".\n *\n * @param {module:engine/model/element~Element} table The table to check.\n * @param {Number} overlapColumn The index of the column to check.\n * @returns {Array.<module:table/tablewalker~TableSlot>}\n */\nexport function getHorizontallyOverlappingCells( table, overlapColumn ) {\n\tconst cellsToSplit = [];\n\n\tconst tableWalker = new TableWalker( table );\n\n\tfor ( const slotInfo of tableWalker ) {\n\t\tconst { column, cellWidth } = slotInfo;\n\t\tconst cellEndColumn = column + cellWidth - 1;\n\n\t\tif ( column < overlapColumn && overlapColumn <= cellEndColumn ) {\n\t\t\tcellsToSplit.push( slotInfo );\n\t\t}\n\t}\n\n\treturn cellsToSplit;\n}\n\n/**\n * Splits the table cell vertically.\n *\n * @param {module:engine/model/element~Element} tableCell\n * @param {Number} columnIndex The table cell column index.\n * @param {Number} splitColumn The index of column to split cell on.\n * @param {module:engine/model/writer~Writer} writer\n * @returns {module:engine/model/element~Element} Created table cell.\n */\nexport function splitVertically( tableCell, columnIndex, splitColumn, writer ) {\n\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) );\n\tconst newColspan = splitColumn - columnIndex;\n\n\tconst newCellAttributes = {};\n\tconst newCellColSpan = colspan - newColspan;\n\n\tif ( newCellColSpan > 1 ) {\n\t\tnewCellAttributes.colspan = newCellColSpan;\n\t}\n\n\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\n\tif ( rowspan > 1 ) {\n\t\tnewCellAttributes.rowspan = rowspan;\n\t}\n\n\tconst newCell = createEmptyTableCell( writer, writer.createPositionAfter( tableCell ), newCellAttributes );\n\n\t// Update the colspan attribute after updating table.\n\tupdateNumericAttribute( 'colspan', newColspan, tableCell, writer );\n\n\treturn newCell;\n}\n\n/**\n * Adjusts table cell dimensions to not exceed limit row and column.\n *\n * If table cell width (or height) covers a column (or row) that is after a limit column (or row)\n * this method will trim \"colspan\" (or \"rowspan\") attribute so the table cell will fit in a defined limits.\n *\n * @param {module:engine/model/element~Element} tableCell\n * @param {Number} cellRow\n * @param {Number} cellColumn\n * @param {Number} limitRow\n * @param {Number} limitColumn\n * @param {module:engine/model/writer~Writer} writer\n */\nexport function trimTableCellIfNeeded( tableCell, cellRow, cellColumn, limitRow, limitColumn, writer ) {\n\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\n\tconst endColumn = cellColumn + colspan - 1;\n\n\tif ( endColumn > limitColumn ) {\n\t\tconst trimmedSpan = limitColumn - cellColumn + 1;\n\n\t\tupdateNumericAttribute( 'colspan', trimmedSpan, tableCell, writer, 1 );\n\t}\n\n\tconst endRow = cellRow + rowspan - 1;\n\n\tif ( endRow > limitRow ) {\n\t\tconst trimmedSpan = limitRow - cellRow + 1;\n\n\t\tupdateNumericAttribute( 'rowspan', trimmedSpan, tableCell, writer, 1 );\n\t}\n}\n\n// Sets proper heading attributes to a cropped table.\nfunction addHeadingsToCroppedTable( croppedTable, sourceTable, startRow, startColumn, writer ) {\n\tconst headingRows = parseInt( sourceTable.getAttribute( 'headingRows' ) || 0 );\n\n\tif ( headingRows > 0 ) {\n\t\tconst headingRowsInCrop = headingRows - startRow;\n\t\tupdateNumericAttribute( 'headingRows', headingRowsInCrop, croppedTable, writer, 0 );\n\t}\n\n\tconst headingColumns = parseInt( sourceTable.getAttribute( 'headingColumns' ) || 0 );\n\n\tif ( headingColumns > 0 ) {\n\t\tconst headingColumnsInCrop = headingColumns - startColumn;\n\t\tupdateNumericAttribute( 'headingColumns', headingColumnsInCrop, croppedTable, writer, 0 );\n\t}\n}\n\n/**\n * Removes columns that have no cells anchored.\n *\n * In table below:\n *\n *     +----+----+----+----+----+----+----+\n *     | 00 | 01      | 03 | 04      | 06 |\n *     +----+----+----+----+         +----+\n *     | 10 | 11      | 13 |         | 16 |\n *     +----+----+----+----+----+----+----+\n *     | 20 | 21      | 23 | 24      | 26 |\n *     +----+----+----+----+----+----+----+\n *                  ^--- empty ---^\n *\n * Will remove columns 2 and 5.\n *\n * **Note:** This is a low-level helper method for clearing invalid model state when doing table modifications.\n * To remove a column from a table use {@link module:table/tableutils~TableUtils#removeColumns `TableUtils.removeColumns()`}.\n *\n * @protected\n * @param {module:engine/model/element~Element} table\n * @param {module:table/tableutils~TableUtils} tableUtils\n * @returns {Boolean} True if removed some columns.\n */\nexport function removeEmptyColumns( table, tableUtils ) {\n\tconst width = tableUtils.getColumns( table );\n\tconst columnsMap = new Array( width ).fill( 0 );\n\n\tfor ( const { column } of new TableWalker( table ) ) {\n\t\tcolumnsMap[ column ]++;\n\t}\n\n\tconst emptyColumns = columnsMap.reduce( ( result, cellsCount, column ) => {\n\t\treturn cellsCount ? result : [ ...result, column ];\n\t}, [] );\n\n\tif ( emptyColumns.length > 0 ) {\n\t\t// Remove only last empty column because it will recurrently trigger removing empty rows.\n\t\tconst emptyColumn = emptyColumns[ emptyColumns.length - 1 ];\n\n\t\t// @if CK_DEBUG_TABLE // console.log( `Removing empty column: ${ emptyColumn }.` );\n\t\ttableUtils.removeColumns( table, { at: emptyColumn } );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n/**\n * Removes rows that have no cells anchored.\n *\n * In table below:\n *\n *     +----+----+----+\n *     | 00 | 01 | 02 |\n *     +----+----+----+\n *     | 10 | 11 | 12 |\n *     +    +    +    +\n *     |    |    |    | <-- empty\n *     +----+----+----+\n *     | 30 | 31 | 32 |\n *     +----+----+----+\n *     | 40      | 42 |\n *     +         +    +\n *     |         |    | <-- empty\n *     +----+----+----+\n *     | 60 | 61 | 62 |\n *     +----+----+----+\n *\n * Will remove rows 2 and 5.\n *\n * **Note:** This is a low-level helper method for clearing invalid model state when doing table modifications.\n * To remove a row from a table use {@link module:table/tableutils~TableUtils#removeRows `TableUtils.removeRows()`}.\n *\n * @protected\n * @param {module:engine/model/element~Element} table\n * @param {module:table/tableutils~TableUtils} tableUtils\n * @returns {Boolean} True if removed some rows.\n */\nexport function removeEmptyRows( table, tableUtils ) {\n\tconst emptyRows = [];\n\tconst tableRowCount = tableUtils.getRows( table );\n\n\tfor ( let rowIndex = 0; rowIndex < tableRowCount; rowIndex++ ) {\n\t\tconst tableRow = table.getChild( rowIndex );\n\n\t\tif ( tableRow.isEmpty ) {\n\t\t\temptyRows.push( rowIndex );\n\t\t}\n\t}\n\n\tif ( emptyRows.length > 0 ) {\n\t\t// Remove only last empty row because it will recurrently trigger removing empty columns.\n\t\tconst emptyRow = emptyRows[ emptyRows.length - 1 ];\n\n\t\t// @if CK_DEBUG_TABLE // console.log( `Removing empty row: ${ emptyRow }.` );\n\t\ttableUtils.removeRows( table, { at: emptyRow } );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n\n/**\n * Removes rows and columns that have no cells anchored.\n *\n * In table below:\n *\n *     +----+----+----+----+\n *     | 00      | 02      |\n *     +----+----+         +\n *     | 10      |         |\n *     +----+----+----+----+\n *     | 20      | 22 | 23 |\n *     +         +    +    +\n *     |         |    |    | <-- empty row\n *     +----+----+----+----+\n *             ^--- empty column\n *\n * Will remove row 3 and column 1.\n *\n * **Note:** This is a low-level helper method for clearing invalid model state when doing table modifications.\n * To remove a rows from a table use {@link module:table/tableutils~TableUtils#removeRows `TableUtils.removeRows()`} and\n * {@link module:table/tableutils~TableUtils#removeColumns `TableUtils.removeColumns()`} to remove a column.\n *\n * @protected\n * @param {module:engine/model/element~Element} table\n * @param {module:table/tableutils~TableUtils} tableUtils\n */\nexport function removeEmptyRowsColumns( table, tableUtils ) {\n\tconst removedColumns = removeEmptyColumns( table, tableUtils );\n\n\t// If there was some columns removed then cleaning empty rows was already triggered.\n\tif ( !removedColumns ) {\n\t\tremoveEmptyRows( table, tableUtils );\n\t}\n}\n\n/**\n * Returns adjusted last row index if selection covers part of a row with empty slots (spanned by other cells).\n * The `dimensions.lastRow` is equal to last row index but selection might be bigger.\n *\n * This happens *only* on rectangular selection so we analyze a case like this:\n *\n *        +---+---+---+---+\n *      0 | a | b | c | d |\n *        +   +   +---+---+\n *      1 |   | e | f | g |\n *        +   +---+   +---+\n *      2 |   | h |   | i | <- last row, each cell has rowspan = 2,\n *        +   +   +   +   +    so we need to return 3, not 2\n *      3 |   |   |   |   |\n *        +---+---+---+---+\n *\n * @param {module:engine/model/element~Element} table\n * @param {Object} dimensions\n * @param {Number} dimensions.firstRow\n * @param {Number} dimensions.firstColumn\n * @param {Number} dimensions.lastRow\n * @param {Number} dimensions.lastColumn\n * @returns {Number} Adjusted last row index.\n */\nexport function adjustLastRowIndex( table, dimensions ) {\n\tconst lastRowMap = Array.from( new TableWalker( table, {\n\t\tstartColumn: dimensions.firstColumn,\n\t\tendColumn: dimensions.lastColumn,\n\t\trow: dimensions.lastRow\n\t} ) );\n\n\tconst everyCellHasSingleRowspan = lastRowMap.every( ( { cellHeight } ) => cellHeight === 1 );\n\n\t// It is a \"flat\" row, so the last row index is OK.\n\tif ( everyCellHasSingleRowspan ) {\n\t\treturn dimensions.lastRow;\n\t}\n\n\t// Otherwise get any cell's rowspan and adjust the last row index.\n\tconst rowspanAdjustment = lastRowMap[ 0 ].cellHeight - 1;\n\treturn dimensions.lastRow + rowspanAdjustment;\n}\n\n/**\n * Returns adjusted last column index if selection covers part of a column with empty slots (spanned by other cells).\n * The `dimensions.lastColumn` is equal to last column index but selection might be bigger.\n *\n * This happens *only* on rectangular selection so we analyze a case like this:\n *\n *       0   1   2   3\n *     +---+---+---+---+\n *     | a             |\n *     +---+---+---+---+\n *     | b | c | d     |\n *     +---+---+---+---+\n *     | e     | f     |\n *     +---+---+---+---+\n *     | g | h         |\n *     +---+---+---+---+\n *               ^\n *              last column, each cell has colspan = 2, so we need to return 3, not 2\n *\n * @param {module:engine/model/element~Element} table\n * @param {Object} dimensions\n * @param {Number} dimensions.firstRow\n * @param {Number} dimensions.firstColumn\n * @param {Number} dimensions.lastRow\n * @param {Number} dimensions.lastColumn\n * @returns {Number} Adjusted last column index.\n */\nexport function adjustLastColumnIndex( table, dimensions ) {\n\tconst lastColumnMap = Array.from( new TableWalker( table, {\n\t\tstartRow: dimensions.firstRow,\n\t\tendRow: dimensions.lastRow,\n\t\tcolumn: dimensions.lastColumn\n\t} ) );\n\n\tconst everyCellHasSingleColspan = lastColumnMap.every( ( { cellWidth } ) => cellWidth === 1 );\n\n\t// It is a \"flat\" column, so the last column index is OK.\n\tif ( everyCellHasSingleColspan ) {\n\t\treturn dimensions.lastColumn;\n\t}\n\n\t// Otherwise get any cell's colspan and adjust the last column index.\n\tconst colspanAdjustment = lastColumnMap[ 0 ].cellWidth - 1;\n\treturn dimensions.lastColumn + colspanAdjustment;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/mergecellcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport TableWalker from '../tablewalker';\nimport { getTableCellsContainingSelection } from '../utils/selection';\nimport { isHeadingColumnCell } from '../utils/common';\nimport { removeEmptyRowsColumns } from '../utils/structure';\n\n/**\n * The merge cell command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'mergeTableCellRight'`, `'mergeTableCellLeft'`,\n * `'mergeTableCellUp'` and `'mergeTableCellDown'` editor commands.\n *\n * To merge a table cell at the current selection with another cell, execute the command corresponding with the preferred direction.\n *\n * For example, to merge with a cell to the right:\n *\n *\t\teditor.execute( 'mergeTableCellRight' );\n *\n * **Note**: If a table cell has a different [`rowspan`](https://www.w3.org/TR/html50/tabular-data.html#attr-tdth-rowspan)\n * (for `'mergeTableCellRight'` and `'mergeTableCellLeft'`) or [`colspan`](https://www.w3.org/TR/html50/tabular-data.html#attr-tdth-colspan)\n * (for `'mergeTableCellUp'` and `'mergeTableCellDown'`), the command will be disabled.\n *\n * @extends module:core/command~Command\n */\nexport default class MergeCellCommand extends Command {\n\t/**\n\t * Creates a new `MergeCellCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor The editor on which this command will be used.\n\t * @param {Object} options\n\t * @param {String} options.direction Indicates which cell to merge with the currently selected one.\n\t * Possible values are: `'left'`, `'right'`, `'up'` and `'down'`.\n\t */\n\tconstructor( editor, options ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The direction that indicates which cell will be merged with the currently selected one.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String} #direction\n\t\t */\n\t\tthis.direction = options.direction;\n\n\t\t/**\n\t\t * Whether the merge is horizontal (left/right) or vertical (up/down).\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} #isHorizontal\n\t\t */\n\t\tthis.isHorizontal = this.direction == 'right' || this.direction == 'left';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst cellToMerge = this._getMergeableCell();\n\n\t\tthis.value = cellToMerge;\n\t\tthis.isEnabled = !!cellToMerge;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * Depending on the command's {@link #direction} value, it will merge the cell that is to the `'left'`, `'right'`, `'up'` or `'down'`.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst tableCell = getTableCellsContainingSelection( doc.selection )[ 0 ];\n\n\t\tconst cellToMerge = this.value;\n\t\tconst direction = this.direction;\n\n\t\tmodel.change( writer => {\n\t\t\tconst isMergeNext = direction == 'right' || direction == 'down';\n\n\t\t\t// The merge mechanism is always the same so sort cells to be merged.\n\t\t\tconst cellToExpand = isMergeNext ? tableCell : cellToMerge;\n\t\t\tconst cellToRemove = isMergeNext ? cellToMerge : tableCell;\n\n\t\t\t// Cache the parent of cell to remove for later check.\n\t\t\tconst removedTableCellRow = cellToRemove.parent;\n\n\t\t\tmergeTableCells( cellToRemove, cellToExpand, writer );\n\n\t\t\tconst spanAttribute = this.isHorizontal ? 'colspan' : 'rowspan';\n\t\t\tconst cellSpan = parseInt( tableCell.getAttribute( spanAttribute ) || 1 );\n\t\t\tconst cellToMergeSpan = parseInt( cellToMerge.getAttribute( spanAttribute ) || 1 );\n\n\t\t\t// Update table cell span attribute and merge set selection on merged contents.\n\t\t\twriter.setAttribute( spanAttribute, cellSpan + cellToMergeSpan, cellToExpand );\n\t\t\twriter.setSelection( writer.createRangeIn( cellToExpand ) );\n\n\t\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\t\tconst table = removedTableCellRow.findAncestor( 'table' );\n\n\t\t\t// Remove empty rows and columns after merging.\n\t\t\tremoveEmptyRowsColumns( table, tableUtils );\n\t\t} );\n\t}\n\n\t/**\n\t * Returns a cell that can be merged with the current cell depending on the command's direction.\n\t *\n\t * @returns {module:engine/model/element~Element|undefined}\n\t * @private\n\t */\n\t_getMergeableCell() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\t\tconst tableCell = getTableCellsContainingSelection( doc.selection )[ 0 ];\n\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\n\t\t// First get the cell on proper direction.\n\t\tconst cellToMerge = this.isHorizontal ?\n\t\t\tgetHorizontalCell( tableCell, this.direction, tableUtils ) :\n\t\t\tgetVerticalCell( tableCell, this.direction, tableUtils );\n\n\t\tif ( !cellToMerge ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If found check if the span perpendicular to merge direction is equal on both cells.\n\t\tconst spanAttribute = this.isHorizontal ? 'rowspan' : 'colspan';\n\t\tconst span = parseInt( tableCell.getAttribute( spanAttribute ) || 1 );\n\n\t\tconst cellToMergeSpan = parseInt( cellToMerge.getAttribute( spanAttribute ) || 1 );\n\n\t\tif ( cellToMergeSpan === span ) {\n\t\t\treturn cellToMerge;\n\t\t}\n\t}\n}\n\n// Returns the cell that can be merged horizontally.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @param {String} direction\n// @param {module:table/tableutils~TableUtils} tableUtils\n// @returns {module:engine/model/node~Node|null}\nfunction getHorizontalCell( tableCell, direction, tableUtils ) {\n\tconst tableRow = tableCell.parent;\n\tconst table = tableRow.parent;\n\tconst horizontalCell = direction == 'right' ? tableCell.nextSibling : tableCell.previousSibling;\n\tconst hasHeadingColumns = ( table.getAttribute( 'headingColumns' ) || 0 ) > 0;\n\n\tif ( !horizontalCell ) {\n\t\treturn;\n\t}\n\n\t// Sort cells:\n\tconst cellOnLeft = direction == 'right' ? tableCell : horizontalCell;\n\tconst cellOnRight = direction == 'right' ? horizontalCell : tableCell;\n\n\t// Get their column indexes:\n\tconst { column: leftCellColumn } = tableUtils.getCellLocation( cellOnLeft );\n\tconst { column: rightCellColumn } = tableUtils.getCellLocation( cellOnRight );\n\n\tconst leftCellSpan = parseInt( cellOnLeft.getAttribute( 'colspan' ) || 1 );\n\n\tconst isCellOnLeftInHeadingColumn = isHeadingColumnCell( tableUtils, cellOnLeft, table );\n\tconst isCellOnRightInHeadingColumn = isHeadingColumnCell( tableUtils, cellOnRight, table );\n\n\t// We cannot merge heading columns cells with regular cells.\n\tif ( hasHeadingColumns && isCellOnLeftInHeadingColumn != isCellOnRightInHeadingColumn ) {\n\t\treturn;\n\t}\n\n\t// The cell on the right must have index that is distant to the cell on the left by the left cell's width (colspan).\n\tconst cellsAreTouching = leftCellColumn + leftCellSpan === rightCellColumn;\n\n\t// If the right cell's column index is different it means that there are rowspanned cells between them.\n\treturn cellsAreTouching ? horizontalCell : undefined;\n}\n\n// Returns the cell that can be merged vertically.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @param {String} direction\n// @param {module:table/tableutils~TableUtils} tableUtils\n// @returns {module:engine/model/node~Node|null}\nfunction getVerticalCell( tableCell, direction, tableUtils ) {\n\tconst tableRow = tableCell.parent;\n\tconst table = tableRow.parent;\n\n\tconst rowIndex = table.getChildIndex( tableRow );\n\n\t// Don't search for mergeable cell if direction points out of the table.\n\tif ( ( direction == 'down' && rowIndex === tableUtils.getRows( table ) - 1 ) || ( direction == 'up' && rowIndex === 0 ) ) {\n\t\treturn;\n\t}\n\n\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\tconst isMergeWithBodyCell = direction == 'down' && ( rowIndex + rowspan ) === headingRows;\n\tconst isMergeWithHeadCell = direction == 'up' && rowIndex === headingRows;\n\n\t// Don't search for mergeable cell if direction points out of the current table section.\n\tif ( headingRows && ( isMergeWithBodyCell || isMergeWithHeadCell ) ) {\n\t\treturn;\n\t}\n\n\tconst currentCellRowSpan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\tconst rowOfCellToMerge = direction == 'down' ? rowIndex + currentCellRowSpan : rowIndex;\n\n\tconst tableMap = [ ...new TableWalker( table, { endRow: rowOfCellToMerge } ) ];\n\n\tconst currentCellData = tableMap.find( value => value.cell === tableCell );\n\tconst mergeColumn = currentCellData.column;\n\n\tconst cellToMergeData = tableMap.find( ( { row, cellHeight, column } ) => {\n\t\tif ( column !== mergeColumn ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( direction == 'down' ) {\n\t\t\t// If merging a cell below the mergeRow is already calculated.\n\t\t\treturn row === rowOfCellToMerge;\n\t\t} else {\n\t\t\t// If merging a cell above calculate if it spans to mergeRow.\n\t\t\treturn rowOfCellToMerge === row + cellHeight;\n\t\t}\n\t} );\n\n\treturn cellToMergeData && cellToMergeData.cell;\n}\n\n// Merges two table cells. It will ensure that after merging cells with an empty paragraph, the resulting table cell will only have one\n// paragraph. If one of the merged table cells is empty, the merged table cell will have the contents of the non-empty table cell.\n// If both are empty, the merged table cell will have only one empty paragraph.\n//\n// @param {module:engine/model/element~Element} cellToRemove\n// @param {module:engine/model/element~Element} cellToExpand\n// @param {module:engine/model/writer~Writer} writer\nfunction mergeTableCells( cellToRemove, cellToExpand, writer ) {\n\tif ( !isEmpty( cellToRemove ) ) {\n\t\tif ( isEmpty( cellToExpand ) ) {\n\t\t\twriter.remove( writer.createRangeIn( cellToExpand ) );\n\t\t}\n\n\t\twriter.move( writer.createRangeIn( cellToRemove ), writer.createPositionAt( cellToExpand, 'end' ) );\n\t}\n\n\t// Remove merged table cell.\n\twriter.remove( cellToRemove );\n}\n\n// Checks if the passed table cell contains an empty paragraph.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @returns {Boolean}\nfunction isEmpty( tableCell ) {\n\treturn tableCell.childCount == 1 && tableCell.getChild( 0 ).is( 'element', 'paragraph' ) && tableCell.getChild( 0 ).isEmpty;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/removerowcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport { getRowIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The remove row command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'removeTableRow'` editor command.\n *\n * To remove the row containing the selected cell, execute the command:\n *\n *\t\teditor.execute( 'removeTableRow' );\n *\n * @extends module:core/command~Command\n */\nexport default class RemoveRowCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\t\tconst firstCell = selectedCells[ 0 ];\n\n\t\tif ( firstCell ) {\n\t\t\tconst table = firstCell.findAncestor( 'table' );\n\t\t\tconst tableRowCount = this.editor.plugins.get( 'TableUtils' ).getRows( table );\n\t\t\tconst lastRowIndex = tableRowCount - 1;\n\n\t\t\tconst selectedRowIndexes = getRowIndexes( selectedCells );\n\n\t\t\tconst areAllRowsSelected = selectedRowIndexes.first === 0 && selectedRowIndexes.last === lastRowIndex;\n\n\t\t\t// Disallow selecting whole table -> delete whole table should be used instead.\n\t\t\tthis.isEnabled = !areAllRowsSelected;\n\t\t} else {\n\t\t\tthis.isEnabled = false;\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\n\t\tconst referenceCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst removedRowIndexes = getRowIndexes( referenceCells );\n\n\t\tconst firstCell = referenceCells[ 0 ];\n\t\tconst table = firstCell.findAncestor( 'table' );\n\n\t\tconst columnIndexToFocus = tableUtils.getCellLocation( firstCell ).column;\n\n\t\tmodel.change( writer => {\n\t\t\tconst rowsToRemove = removedRowIndexes.last - removedRowIndexes.first + 1;\n\n\t\t\ttableUtils.removeRows( table, {\n\t\t\t\tat: removedRowIndexes.first,\n\t\t\t\trows: rowsToRemove\n\t\t\t} );\n\n\t\t\tconst cellToFocus = getCellToFocus( table, removedRowIndexes.first, columnIndexToFocus, tableUtils.getRows( table ) );\n\n\t\t\twriter.setSelection( writer.createPositionAt( cellToFocus, 0 ) );\n\t\t} );\n\t}\n}\n\n// Returns a cell that should be focused before removing the row, belonging to the same column as the currently focused cell.\n// * If the row was not the last one, the cell to focus will be in the row that followed it (before removal).\n// * If the row was the last one, the cell to focus will be in the row that preceded it (before removal).\nfunction getCellToFocus( table, removedRowIndex, columnToFocus, tableRowCount ) {\n\t// Don't go beyond last row's index.\n\tconst row = table.getChild( Math.min( removedRowIndex, tableRowCount - 1 ) );\n\n\t// Default to first table cell.\n\tlet cellToFocus = row.getChild( 0 );\n\tlet column = 0;\n\n\tfor ( const tableCell of row.getChildren() ) {\n\t\tif ( column > columnToFocus ) {\n\t\t\treturn cellToFocus;\n\t\t}\n\n\t\tcellToFocus = tableCell;\n\t\tcolumn += parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\t}\n\n\treturn cellToFocus;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/removecolumncommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport TableWalker from '../tablewalker';\nimport { getColumnIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The remove column command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'removeTableColumn'` editor command.\n *\n * To remove the column containing the selected cell, execute the command:\n *\n *\t\teditor.execute( 'removeTableColumn' );\n *\n * @extends module:core/command~Command\n */\nexport default class RemoveColumnCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\t\tconst firstCell = selectedCells[ 0 ];\n\n\t\tif ( firstCell ) {\n\t\t\tconst table = firstCell.findAncestor( 'table' );\n\t\t\tconst tableColumnCount = this.editor.plugins.get( 'TableUtils' ).getColumns( table );\n\n\t\t\tconst { first, last } = getColumnIndexes( selectedCells );\n\n\t\t\tthis.isEnabled = last - first < ( tableColumnCount - 1 );\n\t\t} else {\n\t\t\tthis.isEnabled = false;\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst [ firstCell, lastCell ] = getBoundaryCells( this.editor.model.document.selection );\n\t\tconst table = firstCell.parent.parent;\n\n\t\t// Cache the table before removing or updating colspans.\n\t\tconst tableMap = [ ...new TableWalker( table ) ];\n\n\t\t// Store column indexes of removed columns.\n\t\tconst removedColumnIndexes = {\n\t\t\tfirst: tableMap.find( value => value.cell === firstCell ).column,\n\t\t\tlast: tableMap.find( value => value.cell === lastCell ).column\n\t\t};\n\n\t\tconst cellToFocus = getCellToFocus( tableMap, firstCell, lastCell, removedColumnIndexes );\n\n\t\tthis.editor.model.change( writer => {\n\t\t\tconst columnsToRemove = removedColumnIndexes.last - removedColumnIndexes.first + 1;\n\n\t\t\tthis.editor.plugins.get( 'TableUtils' ).removeColumns( table, {\n\t\t\t\tat: removedColumnIndexes.first,\n\t\t\t\tcolumns: columnsToRemove\n\t\t\t} );\n\n\t\t\twriter.setSelection( writer.createPositionAt( cellToFocus, 0 ) );\n\t\t} );\n\t}\n}\n\n// Returns a proper table cell to focus after removing a column.\n// - selection is on last table cell it will return previous cell.\nfunction getCellToFocus( tableMap, firstCell, lastCell, removedColumnIndexes ) {\n\tconst colspan = parseInt( lastCell.getAttribute( 'colspan' ) || 1 );\n\n\t// If the table cell is spanned over 2+ columns - it will be truncated so the selection should\n\t// stay in that cell.\n\tif ( colspan > 1 ) {\n\t\treturn lastCell;\n\t}\n\t// Normally, look for the cell in the same row that precedes the first cell to put selection there (\"column on the left\").\n\t// If the deleted column is the first column of the table, there will be no predecessor: use the cell\n\t// from the column that follows then (also in the same row).\n\telse if ( firstCell.previousSibling || lastCell.nextSibling ) {\n\t\treturn lastCell.nextSibling || firstCell.previousSibling;\n\t}\n\t// It can happen that table cells have no siblings in a row, for instance, when there are row spans\n\t// in the table (in the previous row). Then just look for the closest cell that is in a column\n\t// that will not be removed to put the selection there.\n\telse {\n\t\t// Look for any cell in a column that precedes the first removed column.\n\t\tif ( removedColumnIndexes.first ) {\n\t\t\treturn tableMap.reverse().find( ( { column } ) => {\n\t\t\t\treturn column < removedColumnIndexes.first;\n\t\t\t} ).cell;\n\t\t}\n\t\t// If the first removed column is the first column of the table, then\n\t\t// look for any cell that is in a column that follows the last removed column.\n\t\telse {\n\t\t\treturn tableMap.reverse().find( ( { column } ) => {\n\t\t\t\treturn column > removedColumnIndexes.last;\n\t\t\t} ).cell;\n\t\t}\n\t}\n}\n\n// Returns helper object returning the first and the last cell contained in given selection, based on DOM order.\nfunction getBoundaryCells( selection ) {\n\tconst referenceCells = getSelectionAffectedTableCells( selection );\n\tconst firstCell = referenceCells[ 0 ];\n\tconst lastCell = referenceCells.pop();\n\n\tconst returnValue = [ firstCell, lastCell ];\n\n\treturn firstCell.isBefore( lastCell ) ? returnValue : returnValue.reverse();\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/setheaderrowcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport { updateNumericAttribute } from '../utils/common';\nimport { getRowIndexes, getSelectionAffectedTableCells } from '../utils/selection';\nimport { getVerticallyOverlappingCells, splitHorizontally } from '../utils/structure';\n\n/**\n * The header row command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'setTableColumnHeader'` editor command.\n *\n * You can make the row containing the selected cell a [header](https://www.w3.org/TR/html50/tabular-data.html#the-th-element) by executing:\n *\n *\t\teditor.execute( 'setTableRowHeader' );\n *\n * **Note:** All preceding rows will also become headers. If the current row is already a header, executing this command\n * will make it a regular row back again (including the following rows).\n *\n * @extends module:core/command~Command\n */\nexport default class SetHeaderRowCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selectedCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst isInTable = selectedCells.length > 0;\n\n\t\tthis.isEnabled = isInTable;\n\n\t\t/**\n\t\t * Flag indicating whether the command is active. The command is active when the\n\t\t * {@link module:engine/model/selection~Selection} is in a header row.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #value\n\t\t */\n\t\tthis.value = isInTable && selectedCells.every( cell => this._isInHeading( cell, cell.parent.parent ) );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * When the selection is in a non-header row, the command will set the `headingRows` table attribute to cover that row.\n\t *\n\t * When the selection is already in a header row, it will set `headingRows` so the heading section will end before that row.\n\t *\n\t * @fires execute\n\t * @param {Object} options\n\t * @param {Boolean} [options.forceValue] If set, the command will set (`true`) or unset (`false`) the header rows according to\n\t * the `forceValue` parameter instead of the current model state.\n\t */\n\texecute( options = {} ) {\n\t\tif ( options.forceValue === this.value ) {\n\t\t\treturn;\n\t\t}\n\t\tconst model = this.editor.model;\n\t\tconst selectedCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst table = selectedCells[ 0 ].findAncestor( 'table' );\n\n\t\tconst { first, last } = getRowIndexes( selectedCells );\n\t\tconst headingRowsToSet = this.value ? first : last + 1;\n\t\tconst currentHeadingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( headingRowsToSet ) {\n\t\t\t\t// Changing heading rows requires to check if any of a heading cell is overlapping vertically the table head.\n\t\t\t\t// Any table cell that has a rowspan attribute > 1 will not exceed the table head so we need to fix it in rows below.\n\t\t\t\tconst startRow = headingRowsToSet > currentHeadingRows ? currentHeadingRows : 0;\n\t\t\t\tconst overlappingCells = getVerticallyOverlappingCells( table, headingRowsToSet, startRow );\n\n\t\t\t\tfor ( const { cell } of overlappingCells ) {\n\t\t\t\t\tsplitHorizontally( cell, headingRowsToSet, writer );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tupdateNumericAttribute( 'headingRows', headingRowsToSet, table, writer, 0 );\n\t\t} );\n\t}\n\n\t/**\n\t * Checks if a table cell is in the heading section.\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @param {module:engine/model/element~Element} table\n\t * @returns {Boolean}\n\t * @private\n\t */\n\t_isInHeading( tableCell, table ) {\n\t\tconst headingRows = parseInt( table.getAttribute( 'headingRows' ) || 0 );\n\n\t\treturn !!headingRows && tableCell.parent.index < headingRows;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/setheadercolumncommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport {\n\tisHeadingColumnCell,\n\tupdateNumericAttribute\n} from '../utils/common';\nimport { getColumnIndexes, getSelectionAffectedTableCells } from '../utils/selection';\nimport { getHorizontallyOverlappingCells, splitVertically } from '../utils/structure';\n\n/**\n * The header column command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'setTableColumnHeader'` editor command.\n *\n * You can make the column containing the selected cell a [header](https://www.w3.org/TR/html50/tabular-data.html#the-th-element)\n * by executing:\n *\n *\t\teditor.execute( 'setTableColumnHeader' );\n *\n * **Note:** All preceding columns will also become headers. If the current column is already a header, executing this command\n * will make it a regular column back again (including the following columns).\n *\n * @extends module:core/command~Command\n */\nexport default class SetHeaderColumnCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selectedCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\tconst isInTable = selectedCells.length > 0;\n\n\t\tthis.isEnabled = isInTable;\n\n\t\t/**\n\t\t * Flag indicating whether the command is active. The command is active when the\n\t\t * {@link module:engine/model/selection~Selection} is in a header column.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #value\n\t\t */\n\t\tthis.value = isInTable && selectedCells.every( cell => isHeadingColumnCell( tableUtils, cell ) );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * When the selection is in a non-header column, the command will set the `headingColumns` table attribute to cover that column.\n\t *\n\t * When the selection is already in a header column, it will set `headingColumns` so the heading section will end before that column.\n\t *\n\t * @fires execute\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.forceValue] If set, the command will set (`true`) or unset (`false`) the header columns according to\n\t * the `forceValue` parameter instead of the current model state.\n\t */\n\texecute( options = {} ) {\n\t\tif ( options.forceValue === this.value ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\t\tconst selectedCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst table = selectedCells[ 0 ].findAncestor( 'table' );\n\n\t\tconst { first, last } = getColumnIndexes( selectedCells );\n\t\tconst headingColumnsToSet = this.value ? first : last + 1;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( headingColumnsToSet ) {\n\t\t\t\t// Changing heading columns requires to check if any of a heading cell is overlapping horizontally the table head.\n\t\t\t\t// Any table cell that has a colspan attribute > 1 will not exceed the table head so we need to fix it in columns before.\n\t\t\t\tconst overlappingCells = getHorizontallyOverlappingCells( table, headingColumnsToSet );\n\n\t\t\t\tfor ( const { cell, column } of overlappingCells ) {\n\t\t\t\t\tsplitVertically( cell, column, headingColumnsToSet, writer );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tupdateNumericAttribute( 'headingColumns', headingColumnsToSet, table, writer, 0 );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableutils\n */\n\nimport { CKEditorError } from 'ckeditor5/src/utils';\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport TableWalker from './tablewalker';\nimport { createEmptyTableCell, updateNumericAttribute } from './utils/common';\nimport { removeEmptyColumns, removeEmptyRows } from './utils/structure';\n\n/**\n * The table utilities plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableUtils extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableUtils';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tthis.decorate( 'insertColumns' );\n\t\tthis.decorate( 'insertRows' );\n\t}\n\n\t/**\n\t * Returns the table cell location as an object with table row and table column indexes.\n\t *\n\t * For instance, in the table below:\n\t *\n\t *\t\t    0   1   2   3\n\t *\t\t  +---+---+---+---+\n\t *\t\t0 | a     | b | c |\n\t *\t\t  +       +   +---+\n\t *\t\t1 |       |   | d |\n\t *\t\t  +---+---+   +---+\n\t *\t\t2 | e     |   | f |\n\t *\t\t  +---+---+---+---+\n\t *\n\t * the method will return:\n\t *\n\t *\t\tconst cellA = table.getNodeByPath( [ 0, 0 ] );\n\t *\t\teditor.plugins.get( 'TableUtils' ).getCellLocation( cellA );\n\t *\t\t// will return { row: 0, column: 0 }\n\t *\n\t *\t\tconst cellD = table.getNodeByPath( [ 1, 0 ] );\n\t *\t\teditor.plugins.get( 'TableUtils' ).getCellLocation( cellD );\n\t *\t\t// will return { row: 1, column: 3 }\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @returns {Object} Returns a `{row, column}` object.\n\t */\n\tgetCellLocation( tableCell ) {\n\t\tconst tableRow = tableCell.parent;\n\t\tconst table = tableRow.parent;\n\n\t\tconst rowIndex = table.getChildIndex( tableRow );\n\n\t\tconst tableWalker = new TableWalker( table, { row: rowIndex } );\n\n\t\tfor ( const { cell, row, column } of tableWalker ) {\n\t\t\tif ( cell === tableCell ) {\n\t\t\t\treturn { row, column };\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Creates an empty table with a proper structure. The table needs to be inserted into the model,\n\t * for example, by using the {@link module:engine/model/model~Model#insertContent} function.\n\t *\n\t *\t\tmodel.change( ( writer ) => {\n\t *\t\t\t// Create a table of 2 rows and 7 columns:\n\t *\t\t\tconst table = tableUtils.createTable( writer, { rows: 2, columns: 7 } );\n\t *\n\t *\t\t\t// Insert a table to the model at the best position taking the current selection:\n\t *\t\t\tmodel.insertContent( table );\n\t *\t\t}\n\t *\n\t * @param {module:engine/model/writer~Writer} writer The model writer.\n\t * @param {Object} options\n\t * @param {Number} [options.rows=2] The number of rows to create.\n\t * @param {Number} [options.columns=2] The number of columns to create.\n\t * @param {Number} [options.headingRows=0] The number of heading rows.\n\t * @param {Number} [options.headingColumns=0] The number of heading columns.\n\t * @returns {module:engine/model/element~Element} The created table element.\n\t */\n\tcreateTable( writer, options ) {\n\t\tconst table = writer.createElement( 'table' );\n\n\t\tconst rows = parseInt( options.rows ) || 2;\n\t\tconst columns = parseInt( options.columns ) || 2;\n\n\t\tcreateEmptyRows( writer, table, 0, rows, columns );\n\n\t\tif ( options.headingRows ) {\n\t\t\tupdateNumericAttribute( 'headingRows', Math.min( options.headingRows, rows ), table, writer, 0 );\n\t\t}\n\n\t\tif ( options.headingColumns ) {\n\t\t\tupdateNumericAttribute( 'headingColumns', Math.min( options.headingColumns, columns ), table, writer, 0 );\n\t\t}\n\n\t\treturn table;\n\t}\n\n\t/**\n\t * Inserts rows into a table.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).insertRows( table, { at: 1, rows: 2 } );\n\t *\n\t * Assuming the table on the left, the above code will transform it to the table on the right:\n\t *\n\t *\t\trow index\n\t *\t\t  0 +---+---+---+       `at` = 1,      +---+---+---+ 0\n\t *\t\t    | a | b | c |       `rows` = 2,    | a | b | c |\n\t *\t\t  1 +   +---+---+   <-- insert here    +   +---+---+ 1\n\t *\t\t    |   | d | e |                      |   |   |   |\n\t *\t\t  2 +   +---+---+       will give:     +   +---+---+ 2\n\t *\t\t    |   | f | g |                      |   |   |   |\n\t *\t\t  3 +---+---+---+                      +   +---+---+ 3\n\t *\t\t                                       |   | d | e |\n\t *\t\t                                       +   +---+---+ 4\n\t *\t\t                                       +   + f | g |\n\t *\t\t                                       +---+---+---+ 5\n\t *\n\t * @param {module:engine/model/element~Element} table The table model element where the rows will be inserted.\n\t * @param {Object} options\n\t * @param {Number} [options.at=0] The row index at which the rows will be inserted.\n\t * @param {Number} [options.rows=1] The number of rows to insert.\n\t * @param {Boolean|undefined} [options.copyStructureFromAbove] The flag for copying row structure. Note that\n\t * the row structure will not be copied if this option is not provided.\n\t */\n\tinsertRows( table, options = {} ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst insertAt = options.at || 0;\n\t\tconst rowsToInsert = options.rows || 1;\n\t\tconst isCopyStructure = options.copyStructureFromAbove !== undefined;\n\t\tconst copyStructureFrom = options.copyStructureFromAbove ? insertAt - 1 : insertAt;\n\n\t\tconst rows = this.getRows( table );\n\t\tconst columns = this.getColumns( table );\n\n\t\tif ( insertAt > rows ) {\n\t\t\t/**\n\t\t\t * The `options.at` points at a row position that does not exist.\n\t\t\t *\n\t\t\t * @error tableutils-insertrows-insert-out-of-range\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'tableutils-insertrows-insert-out-of-range',\n\t\t\t\tthis,\n\t\t\t\t{ options }\n\t\t\t);\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\t\t\t// Inserting rows inside heading section requires to update `headingRows` attribute as the heading section will grow.\n\t\t\tif ( headingRows > insertAt ) {\n\t\t\t\tupdateNumericAttribute( 'headingRows', headingRows + rowsToInsert, table, writer, 0 );\n\t\t\t}\n\n\t\t\t// Inserting at the end or at the beginning of a table doesn't require to calculate anything special.\n\t\t\tif ( !isCopyStructure && ( insertAt === 0 || insertAt === rows ) ) {\n\t\t\t\tcreateEmptyRows( writer, table, insertAt, rowsToInsert, columns );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Iterate over all the rows above the inserted rows in order to check for the row-spanned cells.\n\t\t\tconst walkerEndRow = isCopyStructure ? Math.max( insertAt, copyStructureFrom ) : insertAt;\n\t\t\tconst tableIterator = new TableWalker( table, { endRow: walkerEndRow } );\n\n\t\t\t// Store spans of the reference row to reproduce it's structure. This array is column number indexed.\n\t\t\tconst rowColSpansMap = new Array( columns ).fill( 1 );\n\n\t\t\tfor ( const { row, column, cellHeight, cellWidth, cell } of tableIterator ) {\n\t\t\t\tconst lastCellRow = row + cellHeight - 1;\n\n\t\t\t\tconst isOverlappingInsertedRow = row < insertAt && insertAt <= lastCellRow;\n\t\t\t\tconst isReferenceRow = row <= copyStructureFrom && copyStructureFrom <= lastCellRow;\n\n\t\t\t\t// If the cell is row-spanned and overlaps the inserted row, then reserve space for it in the row map.\n\t\t\t\tif ( isOverlappingInsertedRow ) {\n\t\t\t\t\t// This cell overlaps the inserted rows so we need to expand it further.\n\t\t\t\t\twriter.setAttribute( 'rowspan', cellHeight + rowsToInsert, cell );\n\n\t\t\t\t\t// Mark this cell with negative number to indicate how many cells should be skipped when adding the new cells.\n\t\t\t\t\trowColSpansMap[ column ] = -cellWidth;\n\t\t\t\t}\n\t\t\t\t// Store the colspan from reference row.\n\t\t\t\telse if ( isCopyStructure && isReferenceRow ) {\n\t\t\t\t\trowColSpansMap[ column ] = cellWidth;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tfor ( let rowIndex = 0; rowIndex < rowsToInsert; rowIndex++ ) {\n\t\t\t\tconst tableRow = writer.createElement( 'tableRow' );\n\n\t\t\t\twriter.insert( tableRow, table, insertAt );\n\n\t\t\t\tfor ( let cellIndex = 0; cellIndex < rowColSpansMap.length; cellIndex++ ) {\n\t\t\t\t\tconst colspan = rowColSpansMap[ cellIndex ];\n\t\t\t\t\tconst insertPosition = writer.createPositionAt( tableRow, 'end' );\n\n\t\t\t\t\t// Insert the empty cell only if this slot is not row-spanned from any other cell.\n\t\t\t\t\tif ( colspan > 0 ) {\n\t\t\t\t\t\tcreateEmptyTableCell( writer, insertPosition, colspan > 1 ? { colspan } : null );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Skip the col-spanned slots, there won't be any cells.\n\t\t\t\t\tcellIndex += Math.abs( colspan ) - 1;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Inserts columns into a table.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).insertColumns( table, { at: 1, columns: 2 } );\n\t *\n\t * Assuming the table on the left, the above code will transform it to the table on the right:\n\t *\n\t *\t\t0   1   2   3                   0   1   2   3   4   5\n\t *\t\t+---+---+---+                   +---+---+---+---+---+\n\t *\t\t| a     | b |                   | a             | b |\n\t *\t\t+       +---+                   +               +---+\n\t *\t\t|       | c |                   |               | c |\n\t *\t\t+---+---+---+     will give:    +---+---+---+---+---+\n\t *\t\t| d | e | f |                   | d |   |   | e | f |\n\t *\t\t+---+   +---+                   +---+---+---+   +---+\n\t *\t\t| g |   | h |                   | g |   |   |   | h |\n\t *\t\t+---+---+---+                   +---+---+---+---+---+\n\t *\t\t| i         |                   | i                 |\n\t *\t\t+---+---+---+                   +---+---+---+---+---+\n\t *\t\t    ^---- insert here, `at` = 1, `columns` = 2\n\t *\n\t * @param {module:engine/model/element~Element} table The table model element where the columns will be inserted.\n\t * @param {Object} options\n\t * @param {Number} [options.at=0] The column index at which the columns will be inserted.\n\t * @param {Number} [options.columns=1] The number of columns to insert.\n\t */\n\tinsertColumns( table, options = {} ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst insertAt = options.at || 0;\n\t\tconst columnsToInsert = options.columns || 1;\n\n\t\tmodel.change( writer => {\n\t\t\tconst headingColumns = table.getAttribute( 'headingColumns' );\n\n\t\t\t// Inserting columns inside heading section requires to update `headingColumns` attribute as the heading section will grow.\n\t\t\tif ( insertAt < headingColumns ) {\n\t\t\t\twriter.setAttribute( 'headingColumns', headingColumns + columnsToInsert, table );\n\t\t\t}\n\n\t\t\tconst tableColumns = this.getColumns( table );\n\n\t\t\t// Inserting at the end and at the beginning of a table doesn't require to calculate anything special.\n\t\t\tif ( insertAt === 0 || tableColumns === insertAt ) {\n\t\t\t\tfor ( const tableRow of table.getChildren() ) {\n\t\t\t\t\t// Ignore non-row elements inside the table (e.g. caption).\n\t\t\t\t\tif ( !tableRow.is( 'element', 'tableRow' ) ) {\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tcreateCells( columnsToInsert, writer, writer.createPositionAt( tableRow, insertAt ? 'end' : 0 ) );\n\t\t\t\t}\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst tableWalker = new TableWalker( table, { column: insertAt, includeAllSlots: true } );\n\n\t\t\tfor ( const tableSlot of tableWalker ) {\n\t\t\t\tconst { row, cell, cellAnchorColumn, cellAnchorRow, cellWidth, cellHeight } = tableSlot;\n\n\t\t\t\t// When iterating over column the table walker outputs either:\n\t\t\t\t// - cells at given column index (cell \"e\" from method docs),\n\t\t\t\t// - spanned columns (spanned cell from row between cells \"g\" and \"h\" - spanned by \"e\", only if `includeAllSlots: true`),\n\t\t\t\t// - or a cell from the same row which spans over this column (cell \"a\").\n\n\t\t\t\tif ( cellAnchorColumn < insertAt ) {\n\t\t\t\t\t// If cell is anchored in previous column, it is a cell that spans over an inserted column (cell \"a\" & \"i\").\n\t\t\t\t\t// For such cells expand them by a number of columns inserted.\n\t\t\t\t\twriter.setAttribute( 'colspan', cellWidth + columnsToInsert, cell );\n\n\t\t\t\t\t// This cell will overlap cells in rows below so skip them (because of `includeAllSlots` option) - (cell \"a\")\n\t\t\t\t\tconst lastCellRow = cellAnchorRow + cellHeight - 1;\n\n\t\t\t\t\tfor ( let i = row; i <= lastCellRow; i++ ) {\n\t\t\t\t\t\ttableWalker.skipRow( i );\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t// It's either cell at this column index or spanned cell by a row-spanned cell from row above.\n\t\t\t\t\t// In table above it's cell \"e\" and a spanned position from row below (empty cell between cells \"g\" and \"h\")\n\t\t\t\t\tcreateCells( columnsToInsert, writer, tableSlot.getPositionBefore() );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Removes rows from the given `table`.\n\t *\n\t * This method re-calculates the table geometry including `rowspan` attribute of table cells overlapping removed rows\n\t * and table headings values.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).removeRows( table, { at: 1, rows: 2 } );\n\t *\n\t * Executing the above code in the context of the table on the left will transform its structure as presented on the right:\n\t *\n\t *\t\trow index\n\t *\t\t    ┌───┬───┬───┐        `at` = 1        ┌───┬───┬───┐\n\t *\t\t  0 │ a │ b │ c │        `rows` = 2      │ a │ b │ c │ 0\n\t *\t\t    │   ├───┼───┤                        │   ├───┼───┤\n\t *\t\t  1 │   │ d │ e │  <-- remove from here  │   │ d │ g │ 1\n\t *\t\t    │   │   ├───┤        will give:      ├───┼───┼───┤\n\t *\t\t  2 │   │   │ f │                        │ h │ i │ j │ 2\n\t *\t\t    │   │   ├───┤                        └───┴───┴───┘\n\t *\t\t  3 │   │   │ g │\n\t *\t\t    ├───┼───┼───┤\n\t *\t\t  4 │ h │ i │ j │\n\t *\t\t    └───┴───┴───┘\n\t *\n\t * @param {module:engine/model/element~Element} table\n\t * @param {Object} options\n\t * @param {Number} options.at The row index at which the removing rows will start.\n\t * @param {Number} [options.rows=1] The number of rows to remove.\n\t */\n\tremoveRows( table, options ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst rowsToRemove = options.rows || 1;\n\t\tconst rowCount = this.getRows( table );\n\t\tconst first = options.at;\n\t\tconst last = first + rowsToRemove - 1;\n\n\t\tif ( last > rowCount - 1 ) {\n\t\t\t/**\n\t\t\t * The `options.at` param must point at existing row and `options.rows` must not exceed the rows in the table.\n\t\t\t *\n\t\t\t * @error tableutils-removerows-row-index-out-of-range\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'tableutils-removerows-row-index-out-of-range',\n\t\t\t\tthis,\n\t\t\t\t{ table, options }\n\t\t\t);\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\t// Removing rows from the table require that most calculations to be done prior to changing table structure.\n\t\t\t// Preparations must be done in the same enqueueChange callback to use the current table structure.\n\n\t\t\t// 1. Preparation - get row-spanned cells that have to be modified after removing rows.\n\t\t\tconst { cellsToMove, cellsToTrim } = getCellsToMoveAndTrimOnRemoveRow( table, first, last );\n\n\t\t\t// 2. Execution\n\n\t\t\t// 2a. Move cells from removed rows that extends over a removed section - must be done before removing rows.\n\t\t\t// This will fill any gaps in a rows below that previously were empty because of row-spanned cells.\n\t\t\tif ( cellsToMove.size ) {\n\t\t\t\tconst rowAfterRemovedSection = last + 1;\n\t\t\t\tmoveCellsToRow( table, rowAfterRemovedSection, cellsToMove, writer );\n\t\t\t}\n\n\t\t\t// 2b. Remove all required rows.\n\t\t\tfor ( let i = last; i >= first; i-- ) {\n\t\t\t\twriter.remove( table.getChild( i ) );\n\t\t\t}\n\n\t\t\t// 2c. Update cells from rows above that overlap removed section. Similar to step 2 but does not involve moving cells.\n\t\t\tfor ( const { rowspan, cell } of cellsToTrim ) {\n\t\t\t\tupdateNumericAttribute( 'rowspan', rowspan, cell, writer );\n\t\t\t}\n\n\t\t\t// 2d. Adjust heading rows if removed rows were in a heading section.\n\t\t\tupdateHeadingRows( table, first, last, writer );\n\n\t\t\t// 2e. Remove empty columns (without anchored cells) if there are any.\n\t\t\tif ( !removeEmptyColumns( table, this ) ) {\n\t\t\t\t// If there wasn't any empty columns then we still need to check if this wasn't called\n\t\t\t\t// because of cleaning empty rows and we only removed one of them.\n\t\t\t\tremoveEmptyRows( table, this );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Removes columns from the given `table`.\n\t *\n\t * This method re-calculates the table geometry including the `colspan` attribute of table cells overlapping removed columns\n\t * and table headings values.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).removeColumns( table, { at: 1, columns: 2 } );\n\t *\n\t * Executing the above code in the context of the table on the left will transform its structure as presented on the right:\n\t *\n\t *\t\t  0   1   2   3   4                       0   1   2\n\t *\t\t┌───────────────┬───┐                   ┌───────┬───┐\n\t *\t\t│ a             │ b │                   │ a     │ b │\n\t *\t\t│               ├───┤                   │       ├───┤\n\t *\t\t│               │ c │                   │       │ c │\n\t *\t\t├───┬───┬───┬───┼───┤     will give:    ├───┬───┼───┤\n\t *\t\t│ d │ e │ f │ g │ h │                   │ d │ g │ h │\n\t *\t\t├───┼───┼───┤   ├───┤                   ├───┤   ├───┤\n\t *\t\t│ i │ j │ k │   │ l │                   │ i │   │ l │\n\t *\t\t├───┴───┴───┴───┴───┤                   ├───┴───┴───┤\n\t *\t\t│ m                 │                   │ m         │\n\t *\t\t└───────────────────┘                   └───────────┘\n\t *\t\t      ^---- remove from here, `at` = 1, `columns` = 2\n\t *\n\t * @param {module:engine/model/element~Element} table\n\t * @param {Object} options\n\t * @param {Number} options.at The row index at which the removing columns will start.\n\t * @param {Number} [options.columns=1] The number of columns to remove.\n\t */\n\tremoveColumns( table, options ) {\n\t\tconst model = this.editor.model;\n\t\tconst first = options.at;\n\t\tconst columnsToRemove = options.columns || 1;\n\t\tconst last = options.at + columnsToRemove - 1;\n\n\t\tmodel.change( writer => {\n\t\t\tadjustHeadingColumns( table, { first, last }, writer );\n\n\t\t\tfor ( let removedColumnIndex = last; removedColumnIndex >= first; removedColumnIndex-- ) {\n\t\t\t\tfor ( const { cell, column, cellWidth } of [ ...new TableWalker( table ) ] ) {\n\t\t\t\t\t// If colspaned cell overlaps removed column decrease its span.\n\t\t\t\t\tif ( column <= removedColumnIndex && cellWidth > 1 && column + cellWidth > removedColumnIndex ) {\n\t\t\t\t\t\tupdateNumericAttribute( 'colspan', cellWidth - 1, cell, writer );\n\t\t\t\t\t} else if ( column === removedColumnIndex ) {\n\t\t\t\t\t\t// The cell in removed column has colspan of 1.\n\t\t\t\t\t\twriter.remove( cell );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Remove empty rows that could appear after removing columns.\n\t\t\tif ( !removeEmptyRows( table, this ) ) {\n\t\t\t\t// If there wasn't any empty rows then we still need to check if this wasn't called\n\t\t\t\t// because of cleaning empty columns and we only removed one of them.\n\t\t\t\tremoveEmptyColumns( table, this );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Divides a table cell vertically into several ones.\n\t *\n\t * The cell will be visually split into more cells by updating colspans of other cells in a column\n\t * and inserting cells (columns) after that cell.\n\t *\n\t * In the table below, if cell \"a\" is split into 3 cells:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+---+---+---+\n\t *\t\t| d | e | f |\n\t *\t\t+---+---+---+\n\t *\n\t * it will result in the table below:\n\t *\n\t *\t\t+---+---+---+---+---+\n\t *\t\t| a |   |   | b | c |\n\t *\t\t+---+---+---+---+---+\n\t *\t\t| d         | e | f |\n\t *\t\t+---+---+---+---+---+\n\t *\n\t * So cell \"d\" will get its `colspan` updated to `3` and 2 cells will be added (2 columns will be created).\n\t *\n\t * Splitting a cell that already has a `colspan` attribute set will distribute the cell `colspan` evenly and the remainder\n\t * will be left to the original cell:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a         |\n\t *\t\t+---+---+---+\n\t *\t\t| b | c | d |\n\t *\t\t+---+---+---+\n\t *\n\t * Splitting cell \"a\" with `colspan=3` into 2 cells will create 1 cell with a `colspan=a` and cell \"a\" that will have `colspan=2`:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a     |   |\n\t *\t\t+---+---+---+\n\t *\t\t| b | c | d |\n\t *\t\t+---+---+---+\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @param {Number} numberOfCells\n\t */\n\tsplitCellVertically( tableCell, numberOfCells = 2 ) {\n\t\tconst model = this.editor.model;\n\t\tconst tableRow = tableCell.parent;\n\t\tconst table = tableRow.parent;\n\n\t\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\t\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\n\t\tmodel.change( writer => {\n\t\t\t// First check - the cell spans over multiple rows so before doing anything else just split this cell.\n\t\t\tif ( colspan > 1 ) {\n\t\t\t\t// Get spans of new (inserted) cells and span to update of split cell.\n\t\t\t\tconst { newCellsSpan, updatedSpan } = breakSpanEvenly( colspan, numberOfCells );\n\n\t\t\t\tupdateNumericAttribute( 'colspan', updatedSpan, tableCell, writer );\n\n\t\t\t\t// Each inserted cell will have the same attributes:\n\t\t\t\tconst newCellsAttributes = {};\n\n\t\t\t\t// Do not store default value in the model.\n\t\t\t\tif ( newCellsSpan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.colspan = newCellsSpan;\n\t\t\t\t}\n\n\t\t\t\t// Copy rowspan of split cell.\n\t\t\t\tif ( rowspan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.rowspan = rowspan;\n\t\t\t\t}\n\n\t\t\t\tconst cellsToInsert = colspan > numberOfCells ? numberOfCells - 1 : colspan - 1;\n\t\t\t\tcreateCells( cellsToInsert, writer, writer.createPositionAfter( tableCell ), newCellsAttributes );\n\t\t\t}\n\n\t\t\t// Second check - the cell has colspan of 1 or we need to create more cells then the currently one spans over.\n\t\t\tif ( colspan < numberOfCells ) {\n\t\t\t\tconst cellsToInsert = numberOfCells - colspan;\n\n\t\t\t\t// First step: expand cells on the same column as split cell.\n\t\t\t\tconst tableMap = [ ...new TableWalker( table ) ];\n\n\t\t\t\t// Get the column index of split cell.\n\t\t\t\tconst { column: splitCellColumn } = tableMap.find( ( { cell } ) => cell === tableCell );\n\n\t\t\t\t// Find cells which needs to be expanded vertically - those on the same column or those that spans over split cell's column.\n\t\t\t\tconst cellsToUpdate = tableMap.filter( ( { cell, cellWidth, column } ) => {\n\t\t\t\t\tconst isOnSameColumn = cell !== tableCell && column === splitCellColumn;\n\t\t\t\t\tconst spansOverColumn = ( column < splitCellColumn && column + cellWidth > splitCellColumn );\n\n\t\t\t\t\treturn isOnSameColumn || spansOverColumn;\n\t\t\t\t} );\n\n\t\t\t\t// Expand cells vertically.\n\t\t\t\tfor ( const { cell, cellWidth } of cellsToUpdate ) {\n\t\t\t\t\twriter.setAttribute( 'colspan', cellWidth + cellsToInsert, cell );\n\t\t\t\t}\n\n\t\t\t\t// Second step: create columns after split cell.\n\n\t\t\t\t// Each inserted cell will have the same attributes:\n\t\t\t\tconst newCellsAttributes = {};\n\n\t\t\t\t// Do not store default value in the model.\n\n\t\t\t\t// Copy rowspan of split cell.\n\t\t\t\tif ( rowspan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.rowspan = rowspan;\n\t\t\t\t}\n\n\t\t\t\tcreateCells( cellsToInsert, writer, writer.createPositionAfter( tableCell ), newCellsAttributes );\n\n\t\t\t\tconst headingColumns = table.getAttribute( 'headingColumns' ) || 0;\n\n\t\t\t\t// Update heading section if split cell is in heading section.\n\t\t\t\tif ( headingColumns > splitCellColumn ) {\n\t\t\t\t\tupdateNumericAttribute( 'headingColumns', headingColumns + cellsToInsert, table, writer );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Divides a table cell horizontally into several ones.\n\t *\n\t * The cell will be visually split into more cells by updating rowspans of other cells in the row and inserting rows with a single cell\n\t * below.\n\t *\n\t * If in the table below cell \"b\" is split into 3 cells:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+---+---+---+\n\t *\t\t| d | e | f |\n\t *\t\t+---+---+---+\n\t *\n\t * It will result in the table below:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+   +---+   +\n\t *\t\t|   |   |   |\n\t *\t\t+   +---+   +\n\t *\t\t|   |   |   |\n\t *\t\t+---+---+---+\n\t *\t\t| d | e | f |\n\t *\t\t+---+---+---+\n\t *\n\t * So cells \"a\" and \"b\" will get their `rowspan` updated to `3` and 2 rows with a single cell will be added.\n\t *\n\t * Splitting a cell that already has a `rowspan` attribute set will distribute the cell `rowspan` evenly and the remainder\n\t * will be left to the original cell:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+   +---+---+\n\t *\t\t|   | d | e |\n\t *\t\t+   +---+---+\n\t *\t\t|   | f | g |\n\t *\t\t+   +---+---+\n\t *\t\t|   | h | i |\n\t *\t\t+---+---+---+\n\t *\n\t * Splitting cell \"a\" with `rowspan=4` into 3 cells will create 2 cells with a `rowspan=1` and cell \"a\" will have `rowspan=2`:\n\t *\n\t *\t\t+---+---+---+\n\t *\t\t| a | b | c |\n\t *\t\t+   +---+---+\n\t *\t\t|   | d | e |\n\t *\t\t+---+---+---+\n\t *\t\t|   | f | g |\n\t *\t\t+---+---+---+\n\t *\t\t|   | h | i |\n\t *\t\t+---+---+---+\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @param {Number} numberOfCells\n\t */\n\tsplitCellHorizontally( tableCell, numberOfCells = 2 ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst tableRow = tableCell.parent;\n\t\tconst table = tableRow.parent;\n\t\tconst splitCellRow = table.getChildIndex( tableRow );\n\n\t\tconst rowspan = parseInt( tableCell.getAttribute( 'rowspan' ) || 1 );\n\t\tconst colspan = parseInt( tableCell.getAttribute( 'colspan' ) || 1 );\n\n\t\tmodel.change( writer => {\n\t\t\t// First check - the cell spans over multiple rows so before doing anything else just split this cell.\n\t\t\tif ( rowspan > 1 ) {\n\t\t\t\t// Cache table map before updating table.\n\t\t\t\tconst tableMap = [ ...new TableWalker( table, {\n\t\t\t\t\tstartRow: splitCellRow,\n\t\t\t\t\tendRow: splitCellRow + rowspan - 1,\n\t\t\t\t\tincludeAllSlots: true\n\t\t\t\t} ) ];\n\n\t\t\t\t// Get spans of new (inserted) cells and span to update of split cell.\n\t\t\t\tconst { newCellsSpan, updatedSpan } = breakSpanEvenly( rowspan, numberOfCells );\n\n\t\t\t\tupdateNumericAttribute( 'rowspan', updatedSpan, tableCell, writer );\n\n\t\t\t\tconst { column: cellColumn } = tableMap.find( ( { cell } ) => cell === tableCell );\n\n\t\t\t\t// Each inserted cell will have the same attributes:\n\t\t\t\tconst newCellsAttributes = {};\n\n\t\t\t\t// Do not store default value in the model.\n\t\t\t\tif ( newCellsSpan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.rowspan = newCellsSpan;\n\t\t\t\t}\n\n\t\t\t\t// Copy colspan of split cell.\n\t\t\t\tif ( colspan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.colspan = colspan;\n\t\t\t\t}\n\n\t\t\t\tfor ( const tableSlot of tableMap ) {\n\t\t\t\t\tconst { column, row } = tableSlot;\n\n\t\t\t\t\t// As both newly created cells and the split cell might have rowspan,\n\t\t\t\t\t// the insertion of new cells must go to appropriate rows:\n\t\t\t\t\t//\n\t\t\t\t\t// 1. It's a row after split cell + it's height.\n\t\t\t\t\tconst isAfterSplitCell = row >= splitCellRow + updatedSpan;\n\t\t\t\t\t// 2. Is on the same column.\n\t\t\t\t\tconst isOnSameColumn = column === cellColumn;\n\t\t\t\t\t// 3. And it's row index is after previous cell height.\n\t\t\t\t\tconst isInEvenlySplitRow = ( row + splitCellRow + updatedSpan ) % newCellsSpan === 0;\n\n\t\t\t\t\tif ( isAfterSplitCell && isOnSameColumn && isInEvenlySplitRow ) {\n\t\t\t\t\t\tcreateCells( 1, writer, tableSlot.getPositionBefore(), newCellsAttributes );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Second check - the cell has rowspan of 1 or we need to create more cells than the current cell spans over.\n\t\t\tif ( rowspan < numberOfCells ) {\n\t\t\t\t// We already split the cell in check one so here we split to the remaining number of cells only.\n\t\t\t\tconst cellsToInsert = numberOfCells - rowspan;\n\n\t\t\t\t// This check is needed since we need to check if there are any cells from previous rows than spans over this cell's row.\n\t\t\t\tconst tableMap = [ ...new TableWalker( table, { startRow: 0, endRow: splitCellRow } ) ];\n\n\t\t\t\t// First step: expand cells.\n\t\t\t\tfor ( const { cell, cellHeight, row } of tableMap ) {\n\t\t\t\t\t// Expand rowspan of cells that are either:\n\t\t\t\t\t// - on the same row as current cell,\n\t\t\t\t\t// - or are below split cell row and overlaps that row.\n\t\t\t\t\tif ( cell !== tableCell && row + cellHeight > splitCellRow ) {\n\t\t\t\t\t\tconst rowspanToSet = cellHeight + cellsToInsert;\n\n\t\t\t\t\t\twriter.setAttribute( 'rowspan', rowspanToSet, cell );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Second step: create rows with single cell below split cell.\n\t\t\t\tconst newCellsAttributes = {};\n\n\t\t\t\t// Copy colspan of split cell.\n\t\t\t\tif ( colspan > 1 ) {\n\t\t\t\t\tnewCellsAttributes.colspan = colspan;\n\t\t\t\t}\n\n\t\t\t\tcreateEmptyRows( writer, table, splitCellRow + 1, cellsToInsert, 1, newCellsAttributes );\n\n\t\t\t\t// Update heading section if split cell is in heading section.\n\t\t\t\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\t\t\t\tif ( headingRows > splitCellRow ) {\n\t\t\t\t\tupdateNumericAttribute( 'headingRows', headingRows + cellsToInsert, table, writer );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the number of columns for a given table.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).getColumns( table );\n\t *\n\t * @param {module:engine/model/element~Element} table The table to analyze.\n\t * @returns {Number}\n\t */\n\tgetColumns( table ) {\n\t\t// Analyze first row only as all the rows should have the same width.\n\t\t// Using the first row without checking if it's a tableRow because we expect\n\t\t// that table will have only tableRow model elements at the beginning.\n\t\tconst row = table.getChild( 0 );\n\n\t\treturn [ ...row.getChildren() ].reduce( ( columns, row ) => {\n\t\t\tconst columnWidth = parseInt( row.getAttribute( 'colspan' ) || 1 );\n\n\t\t\treturn columns + columnWidth;\n\t\t}, 0 );\n\t}\n\n\t/**\n\t * Returns the number of rows for a given table. Any other element present in the table model is omitted.\n\t *\n\t *\t\teditor.plugins.get( 'TableUtils' ).getRows( table );\n\t *\n\t * @param {module:engine/model/element~Element} table The table to analyze.\n\t * @returns {Number}\n\t */\n\tgetRows( table ) {\n\t\t// Rowspan not included due to #6427.\n\t\treturn Array.from( table.getChildren() )\n\t\t\t.reduce( ( rowCount, child ) => child.is( 'element', 'tableRow' ) ? rowCount + 1 : rowCount, 0 );\n\t}\n}\n\n// Creates empty rows at the given index in an existing table.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/element~Element} table\n// @param {Number} insertAt The row index of row insertion.\n// @param {Number} rows The number of rows to create.\n// @param {Number} tableCellToInsert The number of cells to insert in each row.\nfunction createEmptyRows( writer, table, insertAt, rows, tableCellToInsert, attributes = {} ) {\n\tfor ( let i = 0; i < rows; i++ ) {\n\t\tconst tableRow = writer.createElement( 'tableRow' );\n\n\t\twriter.insert( tableRow, table, insertAt );\n\n\t\tcreateCells( tableCellToInsert, writer, writer.createPositionAt( tableRow, 'end' ), attributes );\n\t}\n}\n\n// Creates cells at a given position.\n//\n// @param {Number} columns The number of columns to create\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/position~Position} insertPosition\nfunction createCells( cells, writer, insertPosition, attributes = {} ) {\n\tfor ( let i = 0; i < cells; i++ ) {\n\t\tcreateEmptyTableCell( writer, insertPosition, attributes );\n\t}\n}\n\n// Evenly distributes the span of a cell to a number of provided cells.\n// The resulting spans will always be integer values.\n//\n// For instance breaking a span of 7 into 3 cells will return:\n//\n//\t\t{ newCellsSpan: 2, updatedSpan: 3 }\n//\n// as two cells will have a span of 2 and the remainder will go the first cell so its span will change to 3.\n//\n// @param {Number} span The span value do break.\n// @param {Number} numberOfCells The number of resulting spans.\n// @returns {{newCellsSpan: Number, updatedSpan: Number}}\nfunction breakSpanEvenly( span, numberOfCells ) {\n\tif ( span < numberOfCells ) {\n\t\treturn { newCellsSpan: 1, updatedSpan: 1 };\n\t}\n\n\tconst newCellsSpan = Math.floor( span / numberOfCells );\n\tconst updatedSpan = ( span - newCellsSpan * numberOfCells ) + newCellsSpan;\n\n\treturn { newCellsSpan, updatedSpan };\n}\n\n// Updates heading columns attribute if removing a row from head section.\nfunction adjustHeadingColumns( table, removedColumnIndexes, writer ) {\n\tconst headingColumns = table.getAttribute( 'headingColumns' ) || 0;\n\n\tif ( headingColumns && removedColumnIndexes.first < headingColumns ) {\n\t\tconst headingsRemoved = Math.min( headingColumns - 1 /* Other numbers are 0-based */, removedColumnIndexes.last ) -\n\t\t\tremovedColumnIndexes.first + 1;\n\n\t\twriter.setAttribute( 'headingColumns', headingColumns - headingsRemoved, table );\n\t}\n}\n\n// Calculates a new heading rows value for removing rows from heading section.\nfunction updateHeadingRows( table, first, last, writer ) {\n\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\tif ( first < headingRows ) {\n\t\tconst newRows = last < headingRows ? headingRows - ( last - first + 1 ) : first;\n\n\t\tupdateNumericAttribute( 'headingRows', newRows, table, writer, 0 );\n\t}\n}\n\n// Finds cells that will be:\n// - trimmed - Cells that are \"above\" removed rows sections and overlap the removed section - their rowspan must be trimmed.\n// - moved - Cells from removed rows section might stick out of. These cells are moved to the next row after a removed section.\n//\n// Sample table with overlapping & sticking out cells:\n//\n//      +----+----+----+----+----+\n//      | 00 | 01 | 02 | 03 | 04 |\n//      +----+    +    +    +    +\n//      | 10 |    |    |    |    |\n//      +----+----+    +    +    +\n//      | 20 | 21 |    |    |    | <-- removed row\n//      +    +    +----+    +    +\n//      |    |    | 32 |    |    | <-- removed row\n//      +----+    +    +----+    +\n//      | 40 |    |    | 43 |    |\n//      +----+----+----+----+----+\n//\n// In a table above:\n// - cells to trim: '02', '03' & '04'.\n// - cells to move: '21' & '32'.\nfunction getCellsToMoveAndTrimOnRemoveRow( table, first, last ) {\n\tconst cellsToMove = new Map();\n\tconst cellsToTrim = [];\n\n\tfor ( const { row, column, cellHeight, cell } of new TableWalker( table, { endRow: last } ) ) {\n\t\tconst lastRowOfCell = row + cellHeight - 1;\n\n\t\tconst isCellStickingOutFromRemovedRows = row >= first && row <= last && lastRowOfCell > last;\n\n\t\tif ( isCellStickingOutFromRemovedRows ) {\n\t\t\tconst rowspanInRemovedSection = last - row + 1;\n\t\t\tconst rowSpanToSet = cellHeight - rowspanInRemovedSection;\n\n\t\t\tcellsToMove.set( column, {\n\t\t\t\tcell,\n\t\t\t\trowspan: rowSpanToSet\n\t\t\t} );\n\t\t}\n\n\t\tconst isCellOverlappingRemovedRows = row < first && lastRowOfCell >= first;\n\n\t\tif ( isCellOverlappingRemovedRows ) {\n\t\t\tlet rowspanAdjustment;\n\n\t\t\t// Cell fully covers removed section - trim it by removed rows count.\n\t\t\tif ( lastRowOfCell >= last ) {\n\t\t\t\trowspanAdjustment = last - first + 1;\n\t\t\t}\n\t\t\t// Cell partially overlaps removed section - calculate cell's span that is in removed section.\n\t\t\telse {\n\t\t\t\trowspanAdjustment = lastRowOfCell - first + 1;\n\t\t\t}\n\n\t\t\tcellsToTrim.push( {\n\t\t\t\tcell,\n\t\t\t\trowspan: cellHeight - rowspanAdjustment\n\t\t\t} );\n\t\t}\n\t}\n\treturn { cellsToMove, cellsToTrim };\n}\n\nfunction moveCellsToRow( table, targetRowIndex, cellsToMove, writer ) {\n\tconst tableWalker = new TableWalker( table, {\n\t\tincludeAllSlots: true,\n\t\trow: targetRowIndex\n\t} );\n\n\tconst tableRowMap = [ ...tableWalker ];\n\tconst row = table.getChild( targetRowIndex );\n\n\tlet previousCell;\n\n\tfor ( const { column, cell, isAnchor } of tableRowMap ) {\n\t\tif ( cellsToMove.has( column ) ) {\n\t\t\tconst { cell: cellToMove, rowspan } = cellsToMove.get( column );\n\n\t\t\tconst targetPosition = previousCell ?\n\t\t\t\twriter.createPositionAfter( previousCell ) :\n\t\t\t\twriter.createPositionAt( row, 0 );\n\n\t\t\twriter.move( writer.createRangeOn( cellToMove ), targetPosition );\n\t\t\tupdateNumericAttribute( 'rowspan', rowspan, cellToMove, writer );\n\n\t\t\tpreviousCell = cellToMove;\n\t\t} else if ( isAnchor ) {\n\t\t\t// If cell is spanned then `cell` holds reference to overlapping cell. See ckeditor/ckeditor5#6502.\n\t\t\tpreviousCell = cell;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/mergecellscommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport TableUtils from '../tableutils';\nimport { getSelectedTableCells, isSelectionRectangular } from '../utils/selection';\nimport { updateNumericAttribute } from '../utils/common';\nimport { removeEmptyRowsColumns } from '../utils/structure';\n\n/**\n * The merge cells command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'mergeTableCells'` editor command.\n *\n * For example, to merge selected table cells:\n *\n *\t\teditor.execute( 'mergeTableCells' );\n *\n * @extends module:core/command~Command\n */\nexport default class MergeCellsCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedTableCells = getSelectedTableCells( this.editor.model.document.selection );\n\t\tthis.isEnabled = isSelectionRectangular( selectedTableCells, this.editor.plugins.get( TableUtils ) );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst tableUtils = this.editor.plugins.get( TableUtils );\n\n\t\tmodel.change( writer => {\n\t\t\tconst selectedTableCells = getSelectedTableCells( model.document.selection );\n\n\t\t\t// All cells will be merged into the first one.\n\t\t\tconst firstTableCell = selectedTableCells.shift();\n\n\t\t\t// Update target cell dimensions.\n\t\t\tconst { mergeWidth, mergeHeight } = getMergeDimensions( firstTableCell, selectedTableCells, tableUtils );\n\t\t\tupdateNumericAttribute( 'colspan', mergeWidth, firstTableCell, writer );\n\t\t\tupdateNumericAttribute( 'rowspan', mergeHeight, firstTableCell, writer );\n\n\t\t\tfor ( const tableCell of selectedTableCells ) {\n\t\t\t\tmergeTableCells( tableCell, firstTableCell, writer );\n\t\t\t}\n\n\t\t\tconst table = firstTableCell.findAncestor( 'table' );\n\n\t\t\t// Remove rows and columns that become empty (have no anchored cells).\n\t\t\tremoveEmptyRowsColumns( table, tableUtils );\n\n\t\t\twriter.setSelection( firstTableCell, 'in' );\n\t\t} );\n\t}\n}\n\n// Merges two table cells. It will ensure that after merging cells with empty paragraphs the resulting table cell will only have one\n// paragraph. If one of the merged table cells is empty, the merged table cell will have contents of the non-empty table cell.\n// If both are empty, the merged table cell will have only one empty paragraph.\n//\n// @param {module:engine/model/element~Element} cellBeingMerged\n// @param {module:engine/model/element~Element} targetCell\n// @param {module:engine/model/writer~Writer} writer\nfunction mergeTableCells( cellBeingMerged, targetCell, writer ) {\n\tif ( !isEmpty( cellBeingMerged ) ) {\n\t\tif ( isEmpty( targetCell ) ) {\n\t\t\twriter.remove( writer.createRangeIn( targetCell ) );\n\t\t}\n\n\t\twriter.move( writer.createRangeIn( cellBeingMerged ), writer.createPositionAt( targetCell, 'end' ) );\n\t}\n\n\t// Remove merged table cell.\n\twriter.remove( cellBeingMerged );\n}\n\n// Checks if the passed table cell contains an empty paragraph.\n//\n// @param {module:engine/model/element~Element} tableCell\n// @returns {Boolean}\nfunction isEmpty( tableCell ) {\n\treturn tableCell.childCount == 1 && tableCell.getChild( 0 ).is( 'element', 'paragraph' ) && tableCell.getChild( 0 ).isEmpty;\n}\n\nfunction getMergeDimensions( firstTableCell, selectedTableCells, tableUtils ) {\n\tlet maxWidthOffset = 0;\n\tlet maxHeightOffset = 0;\n\n\tfor ( const tableCell of selectedTableCells ) {\n\t\tconst { row, column } = tableUtils.getCellLocation( tableCell );\n\n\t\tmaxWidthOffset = getMaxOffset( tableCell, column, maxWidthOffset, 'colspan' );\n\t\tmaxHeightOffset = getMaxOffset( tableCell, row, maxHeightOffset, 'rowspan' );\n\t}\n\n\t// Update table cell span attribute and merge set selection on a merged contents.\n\tconst { row: firstCellRow, column: firstCellColumn } = tableUtils.getCellLocation( firstTableCell );\n\n\tconst mergeWidth = maxWidthOffset - firstCellColumn;\n\tconst mergeHeight = maxHeightOffset - firstCellRow;\n\n\treturn { mergeWidth, mergeHeight };\n}\n\nfunction getMaxOffset( tableCell, start, currentMaxOffset, which ) {\n\tconst dimensionValue = parseInt( tableCell.getAttribute( which ) || 1 );\n\n\treturn Math.max( currentMaxOffset, start + dimensionValue );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/selectrowcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport { getRowIndexes, getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The select row command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'selectTableRow'` editor command.\n *\n * To select the rows containing the selected cells, execute the command:\n *\n *\t\teditor.execute( 'selectTableRow' );\n *\n * @extends module:core/command~Command\n */\nexport default class SelectRowCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t// It does not affect data so should be enabled in read-only mode.\n\t\tthis.affectsData = false;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\n\t\tthis.isEnabled = selectedCells.length > 0;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst referenceCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst rowIndexes = getRowIndexes( referenceCells );\n\n\t\tconst table = referenceCells[ 0 ].findAncestor( 'table' );\n\t\tconst rangesToSelect = [];\n\n\t\tfor ( let rowIndex = rowIndexes.first; rowIndex <= rowIndexes.last; rowIndex++ ) {\n\t\t\tfor ( const cell of table.getChild( rowIndex ).getChildren() ) {\n\t\t\t\trangesToSelect.push( model.createRangeOn( cell ) );\n\t\t\t}\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setSelection( rangesToSelect );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/commands/selectcolumncommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nimport TableWalker from '../tablewalker';\nimport { getSelectionAffectedTableCells } from '../utils/selection';\n\n/**\n * The select column command.\n *\n * The command is registered by {@link module:table/tableediting~TableEditing} as the `'selectTableColumn'` editor command.\n *\n * To select the columns containing the selected cells, execute the command:\n *\n *\t\teditor.execute( 'selectTableColumn' );\n *\n * @extends module:core/command~Command\n */\nexport default class SelectColumnCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t// It does not affect data so should be enabled in read-only mode.\n\t\tthis.affectsData = false;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst selectedCells = getSelectionAffectedTableCells( this.editor.model.document.selection );\n\n\t\tthis.isEnabled = selectedCells.length > 0;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst referenceCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst firstCell = referenceCells[ 0 ];\n\t\tconst lastCell = referenceCells.pop();\n\t\tconst table = firstCell.findAncestor( 'table' );\n\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\tconst startLocation = tableUtils.getCellLocation( firstCell );\n\t\tconst endLocation = tableUtils.getCellLocation( lastCell );\n\n\t\tconst startColumn = Math.min( startLocation.column, endLocation.column );\n\t\tconst endColumn = Math.max( startLocation.column, endLocation.column );\n\n\t\tconst rangesToSelect = [];\n\n\t\tfor ( const cellInfo of new TableWalker( table, { startColumn, endColumn } ) ) {\n\t\t\trangesToSelect.push( model.createRangeOn( cellInfo.cell ) );\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setSelection( rangesToSelect );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/table-layout-post-fixer\n */\n\nimport TableWalker from './../tablewalker';\nimport { createEmptyTableCell, updateNumericAttribute } from '../utils/common';\n\n/**\n * Injects a table layout post-fixer into the model.\n *\n * The role of the table layout post-fixer is to ensure that the table rows have the correct structure\n * after a {@link module:engine/model/model~Model#change `change()`} block was executed.\n *\n * The correct structure means that:\n *\n * * All table rows have the same size.\n * * None of the table cells extend vertically beyond their section (either header or body).\n * * A table cell has always at least one element as a child.\n *\n * If the table structure is not correct, the post-fixer will automatically correct it in two steps:\n *\n * 1. It will clip table cells that extend beyond their section.\n * 2. It will add empty table cells to the rows that are narrower than the widest table row.\n *\n * ## Clipping overlapping table cells\n *\n * Such situation may occur when pasting a table (or a part of a table) to the editor from external sources.\n *\n * For example, see the following table which has a cell (FOO) with the rowspan attribute (2):\n *\n *\t\t<table headingRows=\"1\">\n *\t\t\t<tableRow>\n *\t\t\t\t<tableCell rowspan=\"2\"><paragraph>FOO</paragraph></tableCell>\n *\t\t\t\t<tableCell colspan=\"2\"><paragraph>BAR</paragraph></tableCell>\n *\t\t\t</tableRow>\n *\t\t\t<tableRow>\n *\t\t\t\t<tableCell><paragraph>BAZ</paragraph></tableCell>\n *\t\t\t\t<tableCell><paragraph>XYZ</paragraph></tableCell>\n *\t\t\t</tableRow>\n *\t\t</table>\n *\n * It will be rendered in the view as:\n *\n *\t\t<table>\n *\t\t\t<thead>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td rowspan=\"2\">FOO</td>\n *\t\t\t\t\t<td colspan=\"2\">BAR</td>\n *\t\t\t\t</tr>\n *\t\t\t</thead>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>BAZ</td>\n *\t\t\t\t\t<td>XYZ</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * In the above example the table will be rendered as a table with two rows: one in the header and second one in the body.\n * The table cell (FOO) cannot span over multiple rows as it would extend from the header to the body section.\n * The `rowspan` attribute must be changed to (1). The value (1) is the default value of the `rowspan` attribute\n * so the `rowspan` attribute will be removed from the model.\n *\n * The table cell with BAZ in the content will be in the first column of the table.\n *\n * ## Adding missing table cells\n *\n * The table post-fixer will insert empty table cells to equalize table row sizes (the number of columns).\n * The size of a table row is calculated by counting column spans of table cells, both horizontal (from the same row) and\n * vertical (from the rows above).\n *\n * In the above example, the table row in the body section of the table is narrower then the row from the header: it has two cells\n * with the default colspan (1). The header row has one cell with colspan (1) and the second with colspan (2).\n * The table cell (FOO) does not extend beyond the head section (and as such will be fixed in the first step of this post-fixer).\n * The post-fixer will add a missing table cell to the row in the body section of the table.\n *\n * The table from the above example will be fixed and rendered to the view as below:\n *\n *\t\t<table>\n *\t\t\t<thead>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td rowspan=\"2\">FOO</td>\n *\t\t\t\t\t<td colspan=\"2\">BAR</td>\n *\t\t\t\t</tr>\n *\t\t\t</thead>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>BAZ</td>\n *\t\t\t\t\t<td>XYZ</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * ## Collaboration and undo - Expectations vs post-fixer results\n *\n * The table post-fixer only ensures proper structure without a deeper analysis of the nature of the change. As such, it might lead\n * to a structure which was not intended by the user. In particular, it will also fix undo steps (in conjunction with collaboration)\n * in which the editor content might not return to the original state.\n *\n * This will usually happen when one or more users change the size of the table.\n *\n * As an example see the table below:\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * and the user actions:\n *\n * 1. Both users have a table with two rows and two columns.\n * 2. User A adds a column at the end of the table. This will insert empty table cells to two rows.\n * 3. User B adds a row at the end of the table. This will insert a row with two empty table cells.\n * 4. Both users will have a table as below:\n *\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t\t<td>(empty, inserted by A)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t\t<td>(empty, inserted by A)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * The last row is shorter then others so the table post-fixer will add an empty row to the last row:\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t\t<td>(empty, inserted by A)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t\t<td>(empty, inserted by A)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by the post-fixer)</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * Unfortunately undo does not know the nature of the changes and depending on which user applies the post-fixer changes, undoing them\n * might lead to a broken table. If User B undoes inserting the column to the table, the undo engine will undo only the operations of\n * inserting empty cells to rows from the initial table state (row 1 and 2) but the cell in the post-fixed row will remain:\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by a post-fixer)</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n *\n * After undo, the table post-fixer will detect that two rows are shorter than others and will fix the table to:\n *\n *\t\t<table>\n *\t\t\t<tbody>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>11</td>\n *\t\t\t\t\t<td>12</td>\n *\t\t\t\t\t<td>(empty, inserted by a post-fixer after undo)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>21</td>\n *\t\t\t\t\t<td>22</td>\n *\t\t\t\t\t<td>(empty, inserted by a post-fixer after undo)</td>\n *\t\t\t\t</tr>\n *\t\t\t\t<tr>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by B)</td>\n *\t\t\t\t\t<td>(empty, inserted by a post-fixer)</td>\n *\t\t\t\t</tr>\n *\t\t\t</tbody>\n *\t\t</table>\n * @param {module:engine/model/model~Model} model\n */\nexport default function injectTableLayoutPostFixer( model ) {\n\tmodel.document.registerPostFixer( writer => tableLayoutPostFixer( writer, model ) );\n}\n\n// The table layout post-fixer.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/model~Model} model\nfunction tableLayoutPostFixer( writer, model ) {\n\tconst changes = model.document.differ.getChanges();\n\n\tlet wasFixed = false;\n\n\t// Do not analyze the same table more then once - may happen for multiple changes in the same table.\n\tconst analyzedTables = new Set();\n\n\tfor ( const entry of changes ) {\n\t\tlet table;\n\n\t\tif ( entry.name == 'table' && entry.type == 'insert' ) {\n\t\t\ttable = entry.position.nodeAfter;\n\t\t}\n\n\t\t// Fix table on adding/removing table cells and rows.\n\t\tif ( entry.name == 'tableRow' || entry.name == 'tableCell' ) {\n\t\t\ttable = entry.position.findAncestor( 'table' );\n\t\t}\n\n\t\t// Fix table on any table's attribute change - including attributes of table cells.\n\t\tif ( isTableAttributeEntry( entry ) ) {\n\t\t\ttable = entry.range.start.findAncestor( 'table' );\n\t\t}\n\n\t\tif ( table && !analyzedTables.has( table ) ) {\n\t\t\t// Step 1: correct rowspans of table cells if necessary.\n\t\t\t// The wasFixed flag should be true if any of tables in batch was fixed - might be more then one.\n\t\t\twasFixed = fixTableCellsRowspan( table, writer ) || wasFixed;\n\t\t\t// Step 2: fix table rows sizes.\n\t\t\twasFixed = fixTableRowsSizes( table, writer ) || wasFixed;\n\n\t\t\tanalyzedTables.add( table );\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Fixes the invalid value of the `rowspan` attribute because a table cell cannot vertically extend beyond the table section it belongs to.\n//\n// @param {module:engine/model/element~Element} table\n// @param {module:engine/model/writer~Writer} writer\n// @returns {Boolean} Returns `true` if the table was fixed.\nfunction fixTableCellsRowspan( table, writer ) {\n\tlet wasFixed = false;\n\n\tconst cellsToTrim = findCellsToTrim( table );\n\n\tif ( cellsToTrim.length ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: trimming cells row-spans (${ cellsToTrim.length }).` );\n\n\t\twasFixed = true;\n\n\t\tfor ( const data of cellsToTrim ) {\n\t\t\tupdateNumericAttribute( 'rowspan', data.rowspan, data.cell, writer, 1 );\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Makes all table rows in a table the same size.\n//\n// @param {module:engine/model/element~Element} table\n// @param {module:engine/model/writer~Writer} writer\n// @returns {Boolean} Returns `true` if the table was fixed.\nfunction fixTableRowsSizes( table, writer ) {\n\tlet wasFixed = false;\n\n\tconst childrenLengths = getChildrenLengths( table );\n\tconst rowsToRemove = [];\n\n\t// Find empty rows.\n\tfor ( const [ rowIndex, size ] of childrenLengths.entries() ) {\n\t\t// Ignore all non-row models.\n\t\tif ( !size && table.getChild( rowIndex ).is( 'element', 'tableRow' ) ) {\n\t\t\trowsToRemove.push( rowIndex );\n\t\t}\n\t}\n\n\t// Remove empty rows.\n\tif ( rowsToRemove.length ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: remove empty rows (${ rowsToRemove.length }).` );\n\n\t\twasFixed = true;\n\n\t\tfor ( const rowIndex of rowsToRemove.reverse() ) {\n\t\t\twriter.remove( table.getChild( rowIndex ) );\n\t\t\tchildrenLengths.splice( rowIndex, 1 );\n\t\t}\n\t}\n\n\t// Filter out everything that's not a table row.\n\tconst rowsLengths = childrenLengths.filter( ( row, rowIndex ) => table.getChild( rowIndex ).is( 'element', 'tableRow' ) );\n\n\t// Verify if all the rows have the same number of columns.\n\tconst tableSize = rowsLengths[ 0 ];\n\tconst isValid = rowsLengths.every( length => length === tableSize );\n\n\tif ( !isValid ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( 'Post-fixing table: adding missing cells.' );\n\n\t\t// Find the maximum number of columns.\n\t\tconst maxColumns = rowsLengths.reduce( ( prev, current ) => current > prev ? current : prev, 0 );\n\n\t\tfor ( const [ rowIndex, size ] of rowsLengths.entries() ) {\n\t\t\tconst columnsToInsert = maxColumns - size;\n\n\t\t\tif ( columnsToInsert ) {\n\t\t\t\tfor ( let i = 0; i < columnsToInsert; i++ ) {\n\t\t\t\t\tcreateEmptyTableCell( writer, writer.createPositionAt( table.getChild( rowIndex ), 'end' ) );\n\t\t\t\t}\n\n\t\t\t\twasFixed = true;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Searches for table cells that extend beyond the table section to which they belong to. It will return an array of objects\n// that stores table cells to be trimmed and the correct value of the `rowspan` attribute to set.\n//\n// @param {module:engine/model/element~Element} table\n// @returns {Array.<{{cell, rowspan}}>}\nfunction findCellsToTrim( table ) {\n\tconst headingRows = parseInt( table.getAttribute( 'headingRows' ) || 0 );\n\tconst maxRows = Array.from( table.getChildren() )\n\t\t.reduce( ( count, row ) => row.is( 'element', 'tableRow' ) ? count + 1 : count, 0 );\n\n\tconst cellsToTrim = [];\n\n\tfor ( const { row, cell, cellHeight } of new TableWalker( table ) ) {\n\t\t// Skip cells that do not expand over its row.\n\t\tif ( cellHeight < 2 ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst isInHeader = row < headingRows;\n\n\t\t// Row limit is either end of header section or whole table as table body is after the header.\n\t\tconst rowLimit = isInHeader ? headingRows : maxRows;\n\n\t\t// If table cell expands over its limit reduce it height to proper value.\n\t\tif ( row + cellHeight > rowLimit ) {\n\t\t\tconst newRowspan = rowLimit - row;\n\n\t\t\tcellsToTrim.push( { cell, rowspan: newRowspan } );\n\t\t}\n\t}\n\n\treturn cellsToTrim;\n}\n\n// Returns an array with lengths of rows assigned to the corresponding row index.\n//\n// @param {module:engine/model/element~Element} table\n// @returns {Array.<Number>}\nfunction getChildrenLengths( table ) {\n\t// TableWalker will not provide items for the empty rows, we need to pre-fill this array.\n\tconst lengths = new Array( table.childCount ).fill( 0 );\n\n\tfor ( const { rowIndex } of new TableWalker( table, { includeAllSlots: true } ) ) {\n\t\tlengths[ rowIndex ]++;\n\t}\n\n\treturn lengths;\n}\n\n// Checks if the differ entry for an attribute change is one of the table's attributes.\n//\n// @param entry\n// @returns {Boolean}\nfunction isTableAttributeEntry( entry ) {\n\tconst isAttributeType = entry.type === 'attribute';\n\tconst key = entry.attributeKey;\n\n\treturn isAttributeType && ( key === 'headingRows' || key === 'colspan' || key === 'rowspan' );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/table-cell-paragraph-post-fixer\n */\n\n/**\n * Injects a table cell post-fixer into the model which inserts a `paragraph` element into empty table cells.\n *\n * A table cell must contain at least one block element as a child. An empty table cell will have an empty `paragraph` as a child.\n *\n *\t\t<table>\n *\t\t\t<tableRow>\n *\t\t\t\t<tableCell></tableCell>\n *\t\t\t</tableRow>\n *\t\t</table>\n *\n * Will be fixed to:\n *\n *\t\t<table>\n *\t\t\t<tableRow>\n *\t\t\t\t<tableCell><paragraph></paragraph></tableCell>\n *\t\t\t</tableRow>\n *\t\t</table>\n *\n * @param {module:engine/model/model~Model} model\n */\nexport default function injectTableCellParagraphPostFixer( model ) {\n\tmodel.document.registerPostFixer( writer => tableCellContentsPostFixer( writer, model ) );\n}\n\n// The table cell contents post-fixer.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/model~Model} model\nfunction tableCellContentsPostFixer( writer, model ) {\n\tconst changes = model.document.differ.getChanges();\n\n\tlet wasFixed = false;\n\n\tfor ( const entry of changes ) {\n\t\tif ( entry.type == 'insert' && entry.name == 'table' ) {\n\t\t\twasFixed = fixTable( entry.position.nodeAfter, writer ) || wasFixed;\n\t\t}\n\n\t\tif ( entry.type == 'insert' && entry.name == 'tableRow' ) {\n\t\t\twasFixed = fixTableRow( entry.position.nodeAfter, writer ) || wasFixed;\n\t\t}\n\n\t\tif ( entry.type == 'insert' && entry.name == 'tableCell' ) {\n\t\t\twasFixed = fixTableCellContent( entry.position.nodeAfter, writer ) || wasFixed;\n\t\t}\n\n\t\tif ( checkTableCellChange( entry ) ) {\n\t\t\twasFixed = fixTableCellContent( entry.position.parent, writer ) || wasFixed;\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Fixes all table cells in a table.\n//\n// @param {module:engine/model/element~Element} table\n// @param {module:engine/model/writer~Writer} writer\nfunction fixTable( table, writer ) {\n\tlet wasFixed = false;\n\n\tfor ( const row of table.getChildren() ) {\n\t\tif ( row.is( 'element', 'tableRow' ) ) {\n\t\t\twasFixed = fixTableRow( row, writer ) || wasFixed;\n\t\t}\n\t}\n\n\treturn wasFixed;\n}\n\n// Fixes all table cells in a table row.\n//\n// @param {module:engine/model/element~Element} tableRow\n// @param {module:engine/model/writer~Writer} writer\nfunction fixTableRow( tableRow, writer ) {\n\tlet wasFixed = false;\n\n\tfor ( const tableCell of tableRow.getChildren() ) {\n\t\twasFixed = fixTableCellContent( tableCell, writer ) || wasFixed;\n\t}\n\n\treturn wasFixed;\n}\n\n// Fixes all table cell content by:\n// - Adding a paragraph to a table cell without any child.\n// - Wrapping direct $text in a `<paragraph>`.\n//\n// @param {module:engine/model/element~Element} table\n// @param {module:engine/model/writer~Writer} writer\n// @returns {Boolean}\nfunction fixTableCellContent( tableCell, writer ) {\n\t// Insert paragraph to an empty table cell.\n\tif ( tableCell.childCount == 0 ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( 'Post-fixing table: insert paragraph in empty cell.' );\n\n\t\twriter.insertElement( 'paragraph', tableCell );\n\n\t\treturn true;\n\t}\n\n\t// Check table cell children for directly placed text nodes.\n\t// Temporary solution. See https://github.com/ckeditor/ckeditor5/issues/1464.\n\tconst textNodes = Array.from( tableCell.getChildren() ).filter( child => child.is( '$text' ) );\n\n\t// @if CK_DEBUG_TABLE // textNodes.length && console.log( 'Post-fixing table: wrap cell content with paragraph.' );\n\n\tfor ( const child of textNodes ) {\n\t\twriter.wrap( writer.createRangeOn( child ), 'paragraph' );\n\t}\n\n\t// Return true when there were text nodes to fix.\n\treturn !!textNodes.length;\n}\n\n// Checks if a differ change should fix the table cell. This happens on:\n// - Removing content from the table cell (i.e. `tableCell` can be left empty).\n// - Adding a text node directly into a table cell.\n//\n// @param {Object} differ change entry\n// @returns {Boolean}\nfunction checkTableCellChange( entry ) {\n\tif ( !entry.position || !entry.position.parent.is( 'element', 'tableCell' ) ) {\n\t\treturn false;\n\t}\n\n\treturn entry.type == 'insert' && entry.name == '$text' || entry.type == 'remove';\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/table-cell-refresh-post-fixer\n */\n\nimport { isSingleParagraphWithoutAttributes } from './downcast';\n\n/**\n * Injects a table cell post-fixer into the model which marks the table cell in the differ to have it re-rendered.\n *\n * Model `paragraph` inside a table cell can be rendered as `<span>` or `<p>`. It is rendered as `<span>` if this is the only block\n * element in that table cell and it does not have any attributes. It is rendered as `<p>` otherwise.\n *\n * When table cell content changes, for example a second `paragraph` element is added, we need to ensure that the first `paragraph` is\n * re-rendered so it changes from `<span>` to `<p>`. The easiest way to do it is to re-render the entire table cell.\n *\n * @param {module:engine/model/model~Model} model\n * @param {module:engine/conversion/mapper~Mapper} mapper\n */\nexport default function injectTableCellRefreshPostFixer( model, mapper ) {\n\tmodel.document.registerPostFixer( () => tableCellRefreshPostFixer( model.document.differ, mapper ) );\n}\n\nfunction tableCellRefreshPostFixer( differ, mapper ) {\n\t// Stores cells to be refreshed, so the table cell will be refreshed once for multiple changes.\n\n\t// 1. Gather all changes inside table cell.\n\tconst cellsToCheck = new Set();\n\n\tfor ( const change of differ.getChanges() ) {\n\t\tconst parent = change.type == 'attribute' ? change.range.start.parent : change.position.parent;\n\n\t\tif ( parent.is( 'element', 'tableCell' ) ) {\n\t\t\tcellsToCheck.add( parent );\n\t\t}\n\t}\n\n\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: Checking table cell to refresh (${ cellsToCheck.size }).` );\n\t// @if CK_DEBUG_TABLE // let paragraphsRefreshed = 0;\n\n\tfor ( const tableCell of cellsToCheck.values() ) {\n\t\tfor ( const paragraph of [ ...tableCell.getChildren() ].filter( child => shouldRefresh( child, mapper ) ) ) {\n\t\t\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: refreshing paragraph in table cell (${++paragraphsRefreshed}).` );\n\t\t\tdiffer.refreshItem( paragraph );\n\t\t}\n\t}\n\n\t// Always return false to prevent the refresh post-fixer from re-running on the same set of changes and going into an infinite loop.\n\t// This \"post-fixer\" does not change the model structure so there shouldn't be need to run other post-fixers again.\n\t// See https://github.com/ckeditor/ckeditor5/issues/1936 & https://github.com/ckeditor/ckeditor5/issues/8200.\n\treturn false;\n}\n\n// Check if given model element needs refreshing.\n//\n// @param {module:engine/model/element~Element} modelElement\n// @param {module:engine/conversion/mapper~Mapper} mapper\n// @returns {Boolean}\nfunction shouldRefresh( child, mapper ) {\n\tif ( !child.is( 'element', 'paragraph' ) ) {\n\t\treturn false;\n\t}\n\n\tconst viewElement = mapper.toViewElement( child );\n\n\tif ( !viewElement ) {\n\t\treturn false;\n\t}\n\n\treturn isSingleParagraphWithoutAttributes( child ) !== viewElement.is( 'element', 'span' );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/table-heading-rows-refresh-post-fixer\n */\n\n/**\n * Injects a table post-fixer into the model which marks the table in the differ to have it re-rendered.\n *\n * Table heading rows are represented in the model by a `headingRows` attribute. However, in the view, it's represented as separate\n * sections of the table (`<thead>` or `<tbody>`) and changing `headingRows` attribute requires moving table rows between two sections.\n * This causes problems with structural changes in a table (like adding and removing rows) thus atomic converters cannot be used.\n *\n * When table `headingRows` attribute changes, the entire table is re-rendered.\n *\n * @param {module:engine/model/model~Model} model\n */\nexport default function injectTableHeadingRowsRefreshPostFixer( model ) {\n\tmodel.document.registerPostFixer( () => tableHeadingRowsRefreshPostFixer( model ) );\n}\n\nfunction tableHeadingRowsRefreshPostFixer( model ) {\n\tconst differ = model.document.differ;\n\n\t// Stores tables to be refreshed so the table will be refreshed once for multiple changes.\n\tconst tablesToRefresh = new Set();\n\n\tfor ( const change of differ.getChanges() ) {\n\t\tif ( change.type === 'attribute' ) {\n\t\t\tconst element = change.range.start.nodeAfter;\n\n\t\t\tif ( element && element.is( 'element', 'table' ) && change.attributeKey === 'headingRows' ) {\n\t\t\t\ttablesToRefresh.add( element );\n\t\t\t}\n\t\t} else {\n\t\t\t/* istanbul ignore else */\n\t\t\tif ( change.type === 'insert' || change.type === 'remove' ) {\n\t\t\t\tif ( change.name === 'tableRow' ) {\n\t\t\t\t\tconst table = change.position.findAncestor( 'table' );\n\t\t\t\t\tconst headingRows = table.getAttribute( 'headingRows' ) || 0;\n\n\t\t\t\t\tif ( change.position.offset < headingRows ) {\n\t\t\t\t\t\ttablesToRefresh.add( table );\n\t\t\t\t\t}\n\t\t\t\t} else if ( change.name === 'tableCell' ) {\n\t\t\t\t\tconst table = change.position.findAncestor( 'table' );\n\t\t\t\t\tconst headingColumns = table.getAttribute( 'headingColumns' ) || 0;\n\n\t\t\t\t\tif ( change.position.offset < headingColumns ) {\n\t\t\t\t\t\ttablesToRefresh.add( table );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tif ( tablesToRefresh.size ) {\n\t\t// @if CK_DEBUG_TABLE // console.log( `Post-fixing table: refreshing heading rows (${ tablesToRefresh.size }).` );\n\n\t\tfor ( const table of tablesToRefresh.values() ) {\n\t\t\t// Should be handled by a `triggerBy` configuration. See: https://github.com/ckeditor/ckeditor5/issues/8138.\n\t\t\tdiffer.refreshItem( table );\n\t\t}\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tableediting.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tableediting.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport upcastTable, { ensureParagraphInTableCell, skipEmptyTableRow, upcastTableFigure } from './converters/upcasttable';\nimport {\n\tconvertParagraphInTableCell,\n\tdowncastInsertCell,\n\tdowncastInsertRow,\n\tdowncastInsertTable,\n\tdowncastRemoveRow,\n\tdowncastTableHeadingColumnsChange\n} from './converters/downcast';\n\nimport InsertTableCommand from './commands/inserttablecommand';\nimport InsertRowCommand from './commands/insertrowcommand';\nimport InsertColumnCommand from './commands/insertcolumncommand';\nimport SplitCellCommand from './commands/splitcellcommand';\nimport MergeCellCommand from './commands/mergecellcommand';\nimport RemoveRowCommand from './commands/removerowcommand';\nimport RemoveColumnCommand from './commands/removecolumncommand';\nimport SetHeaderRowCommand from './commands/setheaderrowcommand';\nimport SetHeaderColumnCommand from './commands/setheadercolumncommand';\nimport MergeCellsCommand from './commands/mergecellscommand';\nimport SelectRowCommand from './commands/selectrowcommand';\nimport SelectColumnCommand from './commands/selectcolumncommand';\nimport TableUtils from '../src/tableutils';\n\nimport injectTableLayoutPostFixer from './converters/table-layout-post-fixer';\nimport injectTableCellParagraphPostFixer from './converters/table-cell-paragraph-post-fixer';\nimport injectTableCellRefreshPostFixer from './converters/table-cell-refresh-post-fixer';\nimport injectTableHeadingRowsRefreshPostFixer from './converters/table-heading-rows-refresh-post-fixer';\n\nimport '../theme/tableediting.css';\n\n/**\n * The table editing feature.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst schema = model.schema;\n\t\tconst conversion = editor.conversion;\n\n\t\tschema.register( 'table', {\n\t\t\tallowWhere: '$block',\n\t\t\tallowAttributes: [ 'headingRows', 'headingColumns' ],\n\t\t\tisObject: true,\n\t\t\tisBlock: true\n\t\t} );\n\n\t\tschema.register( 'tableRow', {\n\t\t\tallowIn: 'table',\n\t\t\tisLimit: true\n\t\t} );\n\n\t\tschema.register( 'tableCell', {\n\t\t\tallowIn: 'tableRow',\n\t\t\tallowChildren: '$block',\n\t\t\tallowAttributes: [ 'colspan', 'rowspan' ],\n\t\t\tisLimit: true,\n\t\t\tisSelectable: true\n\t\t} );\n\n\t\t// Figure conversion.\n\t\tconversion.for( 'upcast' ).add( upcastTableFigure() );\n\n\t\t// Table conversion.\n\t\tconversion.for( 'upcast' ).add( upcastTable() );\n\n\t\tconversion.for( 'editingDowncast' ).add( downcastInsertTable( { asWidget: true } ) );\n\t\tconversion.for( 'dataDowncast' ).add( downcastInsertTable() );\n\n\t\t// Table row conversion.\n\t\tconversion.for( 'upcast' ).elementToElement( { model: 'tableRow', view: 'tr' } );\n\t\tconversion.for( 'upcast' ).add( skipEmptyTableRow() );\n\n\t\tconversion.for( 'editingDowncast' ).add( downcastInsertRow() );\n\t\tconversion.for( 'editingDowncast' ).add( downcastRemoveRow() );\n\n\t\t// Table cell conversion.\n\t\tconversion.for( 'upcast' ).elementToElement( { model: 'tableCell', view: 'td' } );\n\t\tconversion.for( 'upcast' ).elementToElement( { model: 'tableCell', view: 'th' } );\n\t\tconversion.for( 'upcast' ).add( ensureParagraphInTableCell( 'td' ) );\n\t\tconversion.for( 'upcast' ).add( ensureParagraphInTableCell( 'th' ) );\n\n\t\tconversion.for( 'editingDowncast' ).add( downcastInsertCell() );\n\n\t\t// Duplicates code - needed to properly refresh paragraph inside a table cell.\n\t\tconversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\tmodel: 'paragraph',\n\t\t\tview: convertParagraphInTableCell,\n\t\t\tconverterPriority: 'high'\n\t\t} );\n\n\t\t// Table attributes conversion.\n\t\tconversion.for( 'downcast' ).attributeToAttribute( { model: 'colspan', view: 'colspan' } );\n\t\tconversion.for( 'upcast' ).attributeToAttribute( {\n\t\t\tmodel: { key: 'colspan', value: upcastCellSpan( 'colspan' ) },\n\t\t\tview: 'colspan'\n\t\t} );\n\n\t\tconversion.for( 'downcast' ).attributeToAttribute( { model: 'rowspan', view: 'rowspan' } );\n\t\tconversion.for( 'upcast' ).attributeToAttribute( {\n\t\t\tmodel: { key: 'rowspan', value: upcastCellSpan( 'rowspan' ) },\n\t\t\tview: 'rowspan'\n\t\t} );\n\n\t\t// Table heading columns conversion (a change of heading rows requires a reconversion of the whole table).\n\t\tconversion.for( 'editingDowncast' ).add( downcastTableHeadingColumnsChange() );\n\n\t\t// Manually adjust model position mappings in a special case, when a table cell contains a paragraph, which is bound\n\t\t// to its parent (to the table cell). This custom model-to-view position mapping is necessary in data pipeline only,\n\t\t// because only during this conversion a paragraph can be bound to its parent.\n\t\teditor.data.mapper.on( 'modelToViewPosition', mapTableCellModelPositionToView() );\n\n\t\t// Define the config.\n\t\teditor.config.define( 'table.defaultHeadings.rows', 0 );\n\t\teditor.config.define( 'table.defaultHeadings.columns', 0 );\n\n\t\t// Define all the commands.\n\t\teditor.commands.add( 'insertTable', new InsertTableCommand( editor ) );\n\t\teditor.commands.add( 'insertTableRowAbove', new InsertRowCommand( editor, { order: 'above' } ) );\n\t\teditor.commands.add( 'insertTableRowBelow', new InsertRowCommand( editor, { order: 'below' } ) );\n\t\teditor.commands.add( 'insertTableColumnLeft', new InsertColumnCommand( editor, { order: 'left' } ) );\n\t\teditor.commands.add( 'insertTableColumnRight', new InsertColumnCommand( editor, { order: 'right' } ) );\n\n\t\teditor.commands.add( 'removeTableRow', new RemoveRowCommand( editor ) );\n\t\teditor.commands.add( 'removeTableColumn', new RemoveColumnCommand( editor ) );\n\n\t\teditor.commands.add( 'splitTableCellVertically', new SplitCellCommand( editor, { direction: 'vertically' } ) );\n\t\teditor.commands.add( 'splitTableCellHorizontally', new SplitCellCommand( editor, { direction: 'horizontally' } ) );\n\n\t\teditor.commands.add( 'mergeTableCells', new MergeCellsCommand( editor ) );\n\n\t\teditor.commands.add( 'mergeTableCellRight', new MergeCellCommand( editor, { direction: 'right' } ) );\n\t\teditor.commands.add( 'mergeTableCellLeft', new MergeCellCommand( editor, { direction: 'left' } ) );\n\t\teditor.commands.add( 'mergeTableCellDown', new MergeCellCommand( editor, { direction: 'down' } ) );\n\t\teditor.commands.add( 'mergeTableCellUp', new MergeCellCommand( editor, { direction: 'up' } ) );\n\n\t\teditor.commands.add( 'setTableColumnHeader', new SetHeaderColumnCommand( editor ) );\n\t\teditor.commands.add( 'setTableRowHeader', new SetHeaderRowCommand( editor ) );\n\n\t\teditor.commands.add( 'selectTableRow', new SelectRowCommand( editor ) );\n\t\teditor.commands.add( 'selectTableColumn', new SelectColumnCommand( editor ) );\n\n\t\tinjectTableHeadingRowsRefreshPostFixer( model );\n\t\tinjectTableLayoutPostFixer( model );\n\t\tinjectTableCellRefreshPostFixer( model, editor.editing.mapper );\n\t\tinjectTableCellParagraphPostFixer( model );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableUtils ];\n\t}\n}\n\n// Creates a mapper callback to adjust model position mappings in a table cell containing a paragraph, which is bound to its parent\n// (to the table cell). Only positions after this paragraph have to be adjusted, because after binding this paragraph to the table cell,\n// elements located after this paragraph would point either to a non-existent offset inside `tableCell` (if paragraph is empty), or after\n// the first character of the paragraph's text. See https://github.com/ckeditor/ckeditor5/issues/10116.\n//\n// <tableCell><paragraph></paragraph>^</tableCell> -> <td>^&nbsp;</td>\n//\n// <tableCell><paragraph>foobar</paragraph>^</tableCell> -> <td>foobar^</td>\n//\n// @returns {Function}\nfunction mapTableCellModelPositionToView() {\n\treturn ( evt, data ) => {\n\t\tconst modelParent = data.modelPosition.parent;\n\t\tconst modelNodeBefore = data.modelPosition.nodeBefore;\n\n\t\tif ( !modelParent.is( 'element', 'tableCell' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !modelNodeBefore || !modelNodeBefore.is( 'element', 'paragraph' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewNodeBefore = data.mapper.toViewElement( modelNodeBefore );\n\t\tconst viewParent = data.mapper.toViewElement( modelParent );\n\n\t\tif ( viewNodeBefore === viewParent ) {\n\t\t\t// Since the paragraph has already been bound to its parent, update the current position in the model with paragraph's\n\t\t\t// max offset, so it points to the place which should normally (in all other cases) be the end position of this paragraph.\n\t\t\tdata.viewPosition = data.mapper.findPositionIn( viewParent, modelNodeBefore.maxOffset );\n\t\t}\n\t};\n}\n\n// Returns fixed colspan and rowspan attrbutes values.\n//\n// @private\n// @param {String} type colspan or rowspan.\n// @returns {Function} conversion value function.\nfunction upcastCellSpan( type ) {\n\treturn cell => {\n\t\tconst span = parseInt( cell.getAttribute( type ) );\n\n\t\tif ( Number.isNaN( span ) || span <= 0 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn span;\n\t};\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./inserttable.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./inserttable.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/ui/inserttableview\n */\n\nimport { View } from 'ckeditor5/src/ui';\n\nimport './../../theme/inserttable.css';\n\n/**\n * The table size view.\n *\n * It renders a 10x10 grid to choose the inserted table size.\n *\n * @extends module:ui/view~View\n * @implements module:ui/dropdown/dropdownpanelfocusable~DropdownPanelFocusable\n */\nexport default class InsertTableView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * A collection of table size box items.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this._createGridCollection();\n\n\t\t/**\n\t\t * The currently selected number of rows of the new table.\n\t\t *\n\t\t * @observable\n\t\t * @member {Number} #rows\n\t\t */\n\t\tthis.set( 'rows', 0 );\n\n\t\t/**\n\t\t * The currently selected number of columns of the new table.\n\t\t *\n\t\t * @observable\n\t\t * @member {Number} #columns\n\t\t */\n\t\tthis.set( 'columns', 0 );\n\n\t\t/**\n\t\t * The label text displayed under the boxes.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #label\n\t\t */\n\t\tthis.bind( 'label' )\n\t\t\t.to( this, 'columns', this, 'rows', ( columns, rows ) => `${ rows } × ${ columns }` );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [ 'ck' ]\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [ 'ck-insert-table-dropdown__grid' ]\n\t\t\t\t\t},\n\t\t\t\t\ton: {\n\t\t\t\t\t\t'mouseover@.ck-insert-table-dropdown-grid-box': bind.to( 'boxover' )\n\t\t\t\t\t},\n\t\t\t\t\tchildren: this.items\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttag: 'div',\n\t\t\t\t\tattributes: {\n\t\t\t\t\t\tclass: [ 'ck-insert-table-dropdown__label' ]\n\t\t\t\t\t},\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttext: bind.to( 'label' )\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t],\n\n\t\t\ton: {\n\t\t\t\tmousedown: bind.to( evt => {\n\t\t\t\t\tevt.preventDefault();\n\t\t\t\t} ),\n\n\t\t\t\tclick: bind.to( () => {\n\t\t\t\t\tthis.fire( 'execute' );\n\t\t\t\t} )\n\t\t\t}\n\t\t} );\n\n\t\tthis.on( 'boxover', ( evt, domEvt ) => {\n\t\t\tconst { row, column } = domEvt.target.dataset;\n\n\t\t\t// As row & column indexes are zero-based transform it to number of selected rows & columns.\n\t\t\tthis.set( {\n\t\t\t\trows: parseInt( row ),\n\t\t\t\tcolumns: parseInt( column )\n\t\t\t} );\n\t\t} );\n\n\t\tthis.on( 'change:columns', () => {\n\t\t\tthis._highlightGridBoxes();\n\t\t} );\n\n\t\tthis.on( 'change:rows', () => {\n\t\t\tthis._highlightGridBoxes();\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tfocus() {\n\t\t// The dropdown panel expects DropdownPanelFocusable interface on views passed to dropdown panel. See #30.\n\t\t// The method should be implemented while working on keyboard support for this view. See #22.\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tfocusLast() {\n\t\t// The dropdown panel expects DropdownPanelFocusable interface on views passed to dropdown panel. See #30.\n\t\t// The method should be implemented while working on keyboard support for this view. See #22.\n\t}\n\n\t/**\n\t * Highlights grid boxes depending on rows and columns selected.\n\t *\n\t * @private\n\t */\n\t_highlightGridBoxes() {\n\t\tconst rows = this.rows;\n\t\tconst columns = this.columns;\n\n\t\tthis.items.map( ( boxView, index ) => {\n\t\t\t// Translate box index to the row & column index.\n\t\t\tconst itemRow = Math.floor( index / 10 );\n\t\t\tconst itemColumn = index % 10;\n\n\t\t\t// Grid box is highlighted when its row & column index belongs to selected number of rows & columns.\n\t\t\tconst isOn = itemRow < rows && itemColumn < columns;\n\n\t\t\tboxView.set( 'isOn', isOn );\n\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t * @returns {module:ui/viewcollection~ViewCollection} A view collection containing boxes to be placed in a table grid.\n\t */\n\t_createGridCollection() {\n\t\tconst boxes = [];\n\n\t\t// Add grid boxes to table selection view.\n\t\tfor ( let index = 0; index < 100; index++ ) {\n\t\t\tconst row = Math.floor( index / 10 );\n\t\t\tconst column = index % 10;\n\n\t\t\tboxes.push( new TableSizeGridBoxView( this.locale, row + 1, column + 1 ) );\n\t\t}\n\n\t\treturn this.createCollection( boxes );\n\t}\n\n\t/**\n\t * Fired when the mouse hover over one of the {@link #items child grid boxes}.\n\t *\n\t * @event boxover\n\t */\n}\n\n/**\n * A single grid box view element.\n *\n * This class is used to render the table size selection grid in {@link module:table/ui/inserttableview~InsertTableView}.\n *\n * @private\n */\nclass TableSizeGridBoxView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale, row, column ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * Controls whether the grid box view is \"on\".\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isOn\n\t\t */\n\t\tthis.set( 'isOn', false );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-insert-table-dropdown-grid-box',\n\t\t\t\t\tbind.if( 'isOn', 'ck-on' )\n\t\t\t\t],\n\t\t\t\t'data-row': row,\n\t\t\t\t'data-column': column\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { addListToDropdown, createDropdown, Model, SplitButtonView } from 'ckeditor5/src/ui';\nimport { Collection } from 'ckeditor5/src/utils';\n\nimport InsertTableView from './ui/inserttableview';\n\nimport tableIcon from './../theme/icons/table.svg';\nimport tableColumnIcon from './../theme/icons/table-column.svg';\nimport tableRowIcon from './../theme/icons/table-row.svg';\nimport tableMergeCellIcon from './../theme/icons/table-merge-cell.svg';\n\n/**\n * The table UI plugin. It introduces:\n *\n * * The `'insertTable'` dropdown,\n * * The `'tableColumn'` dropdown,\n * * The `'tableRow'` dropdown,\n * * The `'mergeTableCells'` split button.\n *\n * The `'tableColumn'`, `'tableRow'` and `'mergeTableCells'` dropdowns work best with {@link module:table/tabletoolbar~TableToolbar}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = this.editor.t;\n\t\tconst contentLanguageDirection = editor.locale.contentLanguageDirection;\n\t\tconst isContentLtr = contentLanguageDirection === 'ltr';\n\n\t\teditor.ui.componentFactory.add( 'insertTable', locale => {\n\t\t\tconst command = editor.commands.get( 'insertTable' );\n\t\t\tconst dropdownView = createDropdown( locale );\n\n\t\t\tdropdownView.bind( 'isEnabled' ).to( command );\n\n\t\t\t// Decorate dropdown's button.\n\t\t\tdropdownView.buttonView.set( {\n\t\t\t\ticon: tableIcon,\n\t\t\t\tlabel: t( 'Insert table' ),\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tlet insertTableView;\n\n\t\t\tdropdownView.on( 'change:isOpen', () => {\n\t\t\t\tif ( insertTableView ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Prepare custom view for dropdown's panel.\n\t\t\t\tinsertTableView = new InsertTableView( locale );\n\t\t\t\tdropdownView.panelView.children.add( insertTableView );\n\n\t\t\t\tinsertTableView.delegate( 'execute' ).to( dropdownView );\n\n\t\t\t\tdropdownView.buttonView.on( 'open', () => {\n\t\t\t\t\t// Reset the chooser before showing it to the user.\n\t\t\t\t\tinsertTableView.rows = 0;\n\t\t\t\t\tinsertTableView.columns = 0;\n\t\t\t\t} );\n\n\t\t\t\tdropdownView.on( 'execute', () => {\n\t\t\t\t\teditor.execute( 'insertTable', { rows: insertTableView.rows, columns: insertTableView.columns } );\n\t\t\t\t\teditor.editing.view.focus();\n\t\t\t\t} );\n\t\t\t} );\n\n\t\t\treturn dropdownView;\n\t\t} );\n\n\t\teditor.ui.componentFactory.add( 'tableColumn', locale => {\n\t\t\tconst options = [\n\t\t\t\t{\n\t\t\t\t\ttype: 'switchbutton',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'setTableColumnHeader',\n\t\t\t\t\t\tlabel: t( 'Header column' ),\n\t\t\t\t\t\tbindIsOn: true\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{ type: 'separator' },\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: isContentLtr ? 'insertTableColumnLeft' : 'insertTableColumnRight',\n\t\t\t\t\t\tlabel: t( 'Insert column left' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: isContentLtr ? 'insertTableColumnRight' : 'insertTableColumnLeft',\n\t\t\t\t\t\tlabel: t( 'Insert column right' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'removeTableColumn',\n\t\t\t\t\t\tlabel: t( 'Delete column' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'selectTableColumn',\n\t\t\t\t\t\tlabel: t( 'Select column' )\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t];\n\n\t\t\treturn this._prepareDropdown( t( 'Column' ), tableColumnIcon, options, locale );\n\t\t} );\n\n\t\teditor.ui.componentFactory.add( 'tableRow', locale => {\n\t\t\tconst options = [\n\t\t\t\t{\n\t\t\t\t\ttype: 'switchbutton',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'setTableRowHeader',\n\t\t\t\t\t\tlabel: t( 'Header row' ),\n\t\t\t\t\t\tbindIsOn: true\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{ type: 'separator' },\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'insertTableRowAbove',\n\t\t\t\t\t\tlabel: t( 'Insert row above' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'insertTableRowBelow',\n\t\t\t\t\t\tlabel: t( 'Insert row below' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'removeTableRow',\n\t\t\t\t\t\tlabel: t( 'Delete row' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'selectTableRow',\n\t\t\t\t\t\tlabel: t( 'Select row' )\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t];\n\n\t\t\treturn this._prepareDropdown( t( 'Row' ), tableRowIcon, options, locale );\n\t\t} );\n\n\t\teditor.ui.componentFactory.add( 'mergeTableCells', locale => {\n\t\t\tconst options = [\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'mergeTableCellUp',\n\t\t\t\t\t\tlabel: t( 'Merge cell up' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: isContentLtr ? 'mergeTableCellRight' : 'mergeTableCellLeft',\n\t\t\t\t\t\tlabel: t( 'Merge cell right' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'mergeTableCellDown',\n\t\t\t\t\t\tlabel: t( 'Merge cell down' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: isContentLtr ? 'mergeTableCellLeft' : 'mergeTableCellRight',\n\t\t\t\t\t\tlabel: t( 'Merge cell left' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{ type: 'separator' },\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'splitTableCellVertically',\n\t\t\t\t\t\tlabel: t( 'Split cell vertically' )\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\ttype: 'button',\n\t\t\t\t\tmodel: {\n\t\t\t\t\t\tcommandName: 'splitTableCellHorizontally',\n\t\t\t\t\t\tlabel: t( 'Split cell horizontally' )\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t];\n\n\t\t\treturn this._prepareMergeSplitButtonDropdown( t( 'Merge cells' ), tableMergeCellIcon, options, locale );\n\t\t} );\n\t}\n\n\t/**\n\t * Creates a dropdown view from a set of options.\n\t *\n\t * @private\n\t * @param {String} label The dropdown button label.\n\t * @param {String} icon An icon for the dropdown button.\n\t * @param {Array.<module:ui/dropdown/utils~ListDropdownItemDefinition>} options The list of options for the dropdown.\n\t * @param {module:utils/locale~Locale} locale\n\t * @returns {module:ui/dropdown/dropdownview~DropdownView}\n\t */\n\t_prepareDropdown( label, icon, options, locale ) {\n\t\tconst editor = this.editor;\n\t\tconst dropdownView = createDropdown( locale );\n\t\tconst commands = this._fillDropdownWithListOptions( dropdownView, options );\n\n\t\t// Decorate dropdown's button.\n\t\tdropdownView.buttonView.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\t// Make dropdown button disabled when all options are disabled.\n\t\tdropdownView.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => {\n\t\t\treturn areEnabled.some( isEnabled => isEnabled );\n\t\t} );\n\n\t\tthis.listenTo( dropdownView, 'execute', evt => {\n\t\t\teditor.execute( evt.source.commandName );\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\treturn dropdownView;\n\t}\n\n\t/**\n\t * Creates a dropdown view with a {@link module:ui/dropdown/button/splitbuttonview~SplitButtonView} for\n\t * merge (and split)–related commands.\n\t *\n\t * @private\n\t * @param {String} label The dropdown button label.\n\t * @param {String} icon An icon for the dropdown button.\n\t * @param {Array.<module:ui/dropdown/utils~ListDropdownItemDefinition>} options The list of options for the dropdown.\n\t * @param {module:utils/locale~Locale} locale\n\t * @returns {module:ui/dropdown/dropdownview~DropdownView}\n\t */\n\t_prepareMergeSplitButtonDropdown( label, icon, options, locale ) {\n\t\tconst editor = this.editor;\n\t\tconst dropdownView = createDropdown( locale, SplitButtonView );\n\t\tconst mergeCommandName = 'mergeTableCells';\n\n\t\t// Main command.\n\t\tconst mergeCommand = editor.commands.get( mergeCommandName );\n\n\t\t// Subcommands in the dropdown.\n\t\tconst commands = this._fillDropdownWithListOptions( dropdownView, options );\n\n\t\tdropdownView.buttonView.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true,\n\t\t\tisEnabled: true\n\t\t} );\n\n\t\t// Make dropdown button disabled when all options are disabled together with the main command.\n\t\tdropdownView.bind( 'isEnabled' ).toMany( [ mergeCommand, ...commands ], 'isEnabled', ( ...areEnabled ) => {\n\t\t\treturn areEnabled.some( isEnabled => isEnabled );\n\t\t} );\n\n\t\t// Merge selected table cells when the main part of the split button is clicked.\n\t\tthis.listenTo( dropdownView.buttonView, 'execute', () => {\n\t\t\teditor.execute( mergeCommandName );\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\t// Execute commands for events coming from the list in the dropdown panel.\n\t\tthis.listenTo( dropdownView, 'execute', evt => {\n\t\t\teditor.execute( evt.source.commandName );\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\treturn dropdownView;\n\t}\n\n\t/**\n\t * Injects a {@link module:ui/list/listview~ListView} into the passed dropdown with buttons\n\t * which execute editor commands as configured in passed options.\n\t *\n\t * @private\n\t * @param {module:ui/dropdown/dropdownview~DropdownView} dropdownView\n\t * @param {Array.<module:ui/dropdown/utils~ListDropdownItemDefinition>} options The list of options for the dropdown.\n\t * @returns {Array.<module:core/command~Command>} Commands the list options are interacting with.\n\t */\n\t_fillDropdownWithListOptions( dropdownView, options ) {\n\t\tconst editor = this.editor;\n\t\tconst commands = [];\n\t\tconst itemDefinitions = new Collection();\n\n\t\tfor ( const option of options ) {\n\t\t\taddListOption( option, editor, commands, itemDefinitions );\n\t\t}\n\n\t\taddListToDropdown( dropdownView, itemDefinitions, editor.ui.componentFactory );\n\n\t\treturn commands;\n\t}\n}\n\n// Adds an option to a list view.\n//\n// @param {module:table/tableui~DropdownOption} option A configuration option.\n// @param {module:core/editor/editor~Editor} editor\n// @param {Array.<module:core/command~Command>} commands The list of commands to update.\n// @param {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>} itemDefinitions\n// A collection of dropdown items to update with the given option.\nfunction addListOption( option, editor, commands, itemDefinitions ) {\n\tconst model = option.model = new Model( option.model );\n\tconst { commandName, bindIsOn } = option.model;\n\n\tif ( option.type === 'button' || option.type === 'switchbutton' ) {\n\t\tconst command = editor.commands.get( commandName );\n\n\t\tcommands.push( command );\n\n\t\tmodel.set( { commandName } );\n\n\t\tmodel.bind( 'isEnabled' ).to( command );\n\n\t\tif ( bindIsOn ) {\n\t\t\tmodel.bind( 'isOn' ).to( command, 'value' );\n\t\t}\n\t}\n\n\tmodel.set( {\n\t\twithText: true\n\t} );\n\n\titemDefinitions.add( option );\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z\\\" opacity=\\\".6\\\"/><path d=\\\"M18 7v1H2V7h16zm0 5v1H2v-1h16z\\\" opacity=\\\".6\\\"/><path d=\\\"M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z\\\" opacity=\\\".6\\\"/><path d=\\\"M7 2h1v16H7V2zm5 0h1v16h-1V2z\\\" opacity=\\\".6\\\"/><path d=\\\"M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z\\\"/></svg>\";","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z\\\" opacity=\\\".6\\\"/><path d=\\\"M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z\\\" opacity=\\\".6\\\"/><path d=\\\"M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z\\\"/></svg>\";","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tableselection.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tableselection.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableselection\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { first } from 'ckeditor5/src/utils';\n\nimport TableWalker from './tablewalker';\nimport TableUtils from './tableutils';\n\nimport { cropTableToDimensions, adjustLastRowIndex, adjustLastColumnIndex } from './utils/structure';\nimport { getColumnIndexes, getRowIndexes, getSelectedTableCells, isSelectionRectangular } from './utils/selection';\n\nimport '../theme/tableselection.css';\n\n/**\n * This plugin enables the advanced table cells, rows and columns selection.\n * It is loaded automatically by the {@link module:table/table~Table} plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableSelection extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableSelection';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\n\t\tthis.listenTo( model, 'deleteContent', ( evt, args ) => this._handleDeleteContent( evt, args ), { priority: 'high' } );\n\n\t\tthis._defineSelectionConverter();\n\t\tthis._enablePluginDisabling(); // sic!\n\t}\n\n\t/**\n\t * Returns the currently selected table cells or `null` if it is not a table cells selection.\n\t *\n\t * @returns {Array.<module:engine/model/element~Element>|null}\n\t */\n\tgetSelectedTableCells() {\n\t\tconst selection = this.editor.model.document.selection;\n\n\t\tconst selectedCells = getSelectedTableCells( selection );\n\n\t\tif ( selectedCells.length == 0 ) {\n\t\t\treturn null;\n\t\t}\n\n\t\t// This should never happen, but let's know if it ever happens.\n\t\t// @if CK_DEBUG //\t/* istanbul ignore next */\n\t\t// @if CK_DEBUG //\tif ( selectedCells.length != selection.rangeCount ) {\n\t\t// @if CK_DEBUG //\t\tconsole.warn( 'Mixed selection warning. The selection contains table cells and some other ranges.' );\n\t\t// @if CK_DEBUG //\t}\n\n\t\treturn selectedCells;\n\t}\n\n\t/**\n\t * Returns the selected table fragment as a document fragment.\n\t *\n\t * @returns {module:engine/model/documentfragment~DocumentFragment|null}\n\t */\n\tgetSelectionAsFragment() {\n\t\tconst selectedCells = this.getSelectedTableCells();\n\n\t\tif ( !selectedCells ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn this.editor.model.change( writer => {\n\t\t\tconst documentFragment = writer.createDocumentFragment();\n\t\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\n\t\t\tconst { first: firstColumn, last: lastColumn } = getColumnIndexes( selectedCells );\n\t\t\tconst { first: firstRow, last: lastRow } = getRowIndexes( selectedCells );\n\n\t\t\tconst sourceTable = selectedCells[ 0 ].findAncestor( 'table' );\n\n\t\t\tlet adjustedLastRow = lastRow;\n\t\t\tlet adjustedLastColumn = lastColumn;\n\n\t\t\t// If the selection is rectangular there could be a case of all cells in the last row/column spanned over\n\t\t\t// next row/column so the real lastRow/lastColumn should be updated.\n\t\t\tif ( isSelectionRectangular( selectedCells, tableUtils ) ) {\n\t\t\t\tconst dimensions = {\n\t\t\t\t\tfirstColumn,\n\t\t\t\t\tlastColumn,\n\t\t\t\t\tfirstRow,\n\t\t\t\t\tlastRow\n\t\t\t\t};\n\n\t\t\t\tadjustedLastRow = adjustLastRowIndex( sourceTable, dimensions );\n\t\t\t\tadjustedLastColumn = adjustLastColumnIndex( sourceTable, dimensions );\n\t\t\t}\n\n\t\t\tconst cropDimensions = {\n\t\t\t\tstartRow: firstRow,\n\t\t\t\tstartColumn: firstColumn,\n\t\t\t\tendRow: adjustedLastRow,\n\t\t\t\tendColumn: adjustedLastColumn\n\t\t\t};\n\n\t\t\tconst table = cropTableToDimensions( sourceTable, cropDimensions, writer );\n\n\t\t\twriter.insert( table, documentFragment, 0 );\n\n\t\t\treturn documentFragment;\n\t\t} );\n\t}\n\n\t/**\n\t * Sets the model selection based on given anchor and target cells (can be the same cell).\n\t * Takes care of setting the backward flag.\n\t *\n\t *\t\tconst modelRoot = editor.model.document.getRoot();\n\t *\t\tconst firstCell = modelRoot.getNodeByPath( [ 0, 0, 0 ] );\n\t *\t\tconst lastCell = modelRoot.getNodeByPath( [ 0, 0, 1 ] );\n\t *\n\t *\t\tconst tableSelection = editor.plugins.get( 'TableSelection' );\n\t *\t\ttableSelection.setCellSelection( firstCell, lastCell );\n\t *\n\t * @param {module:engine/model/element~Element} anchorCell\n\t * @param {module:engine/model/element~Element} targetCell\n\t */\n\tsetCellSelection( anchorCell, targetCell ) {\n\t\tconst cellsToSelect = this._getCellsToSelect( anchorCell, targetCell );\n\n\t\tthis.editor.model.change( writer => {\n\t\t\twriter.setSelection(\n\t\t\t\tcellsToSelect.cells.map( cell => writer.createRangeOn( cell ) ),\n\t\t\t\t{ backward: cellsToSelect.backward }\n\t\t\t);\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the focus cell from the current selection.\n\t *\n\t * @returns {module:engine/model/element~Element}\n\t */\n\tgetFocusCell() {\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst focusCellRange = [ ...selection.getRanges() ].pop();\n\t\tconst element = focusCellRange.getContainedElement();\n\n\t\tif ( element && element.is( 'element', 'tableCell' ) ) {\n\t\t\treturn element;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Returns the anchor cell from the current selection.\n\t *\n\t * @returns {module:engine/model/element~Element} anchorCell\n\t */\n\tgetAnchorCell() {\n\t\tconst selection = this.editor.model.document.selection;\n\t\tconst anchorCellRange = first( selection.getRanges() );\n\t\tconst element = anchorCellRange.getContainedElement();\n\n\t\tif ( element && element.is( 'element', 'tableCell' ) ) {\n\t\t\treturn element;\n\t\t}\n\n\t\treturn null;\n\t}\n\n\t/**\n\t * Defines a selection converter which marks the selected cells with a specific class.\n\t *\n\t * The real DOM selection is put in the last cell. Since the order of ranges is dependent on whether the\n\t * selection is backward or not, the last cell will usually be close to the \"focus\" end of the selection\n\t * (a selection has anchor and focus).\n\t *\n\t * The real DOM selection is then hidden with CSS.\n\t *\n\t * @private\n\t */\n\t_defineSelectionConverter() {\n\t\tconst editor = this.editor;\n\t\tconst highlighted = new Set();\n\n\t\teditor.conversion.for( 'editingDowncast' ).add( dispatcher => dispatcher.on( 'selection', ( evt, data, conversionApi ) => {\n\t\t\tconst viewWriter = conversionApi.writer;\n\n\t\t\tclearHighlightedTableCells( viewWriter );\n\n\t\t\tconst selectedCells = this.getSelectedTableCells();\n\n\t\t\tif ( !selectedCells ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tfor ( const tableCell of selectedCells ) {\n\t\t\t\tconst viewElement = conversionApi.mapper.toViewElement( tableCell );\n\n\t\t\t\tviewWriter.addClass( 'ck-editor__editable_selected', viewElement );\n\t\t\t\thighlighted.add( viewElement );\n\t\t\t}\n\n\t\t\tconst lastViewCell = conversionApi.mapper.toViewElement( selectedCells[ selectedCells.length - 1 ] );\n\t\t\tviewWriter.setSelection( lastViewCell, 0 );\n\t\t}, { priority: 'lowest' } ) );\n\n\t\tfunction clearHighlightedTableCells( writer ) {\n\t\t\tfor ( const previouslyHighlighted of highlighted ) {\n\t\t\t\twriter.removeClass( 'ck-editor__editable_selected', previouslyHighlighted );\n\t\t\t}\n\n\t\t\thighlighted.clear();\n\t\t}\n\t}\n\n\t/**\n\t * Creates a listener that reacts to changes in {@link #isEnabled} and, if the plugin was disabled,\n\t * it collapses the multi-cell selection to a regular selection placed inside a table cell.\n\t *\n\t * This listener helps features that disable the table selection plugin bring the selection\n\t * to a clear state they can work with (for instance, because they don't support multiple cell selection).\n\t */\n\t_enablePluginDisabling() {\n\t\tconst editor = this.editor;\n\n\t\tthis.on( 'change:isEnabled', () => {\n\t\t\tif ( !this.isEnabled ) {\n\t\t\t\tconst selectedCells = this.getSelectedTableCells();\n\n\t\t\t\tif ( !selectedCells ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\tconst position = writer.createPositionAt( selectedCells[ 0 ], 0 );\n\t\t\t\t\tconst range = editor.model.schema.getNearestSelectionRange( position );\n\n\t\t\t\t\twriter.setSelection( range );\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Overrides the default `model.deleteContent()` behavior over a selected table fragment.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} event\n\t * @param {Array.<*>} args Delete content method arguments.\n\t */\n\t_handleDeleteContent( event, args ) {\n\t\tconst [ selection, options ] = args;\n\t\tconst model = this.editor.model;\n\t\tconst isBackward = !options || options.direction == 'backward';\n\t\tconst selectedTableCells = getSelectedTableCells( selection );\n\n\t\tif ( !selectedTableCells.length ) {\n\t\t\treturn;\n\t\t}\n\n\t\tevent.stop();\n\n\t\tmodel.change( writer => {\n\t\t\tconst tableCellToSelect = selectedTableCells[ isBackward ? selectedTableCells.length - 1 : 0 ];\n\n\t\t\tmodel.change( writer => {\n\t\t\t\tfor ( const tableCell of selectedTableCells ) {\n\t\t\t\t\tmodel.deleteContent( writer.createSelection( tableCell, 'in' ) );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tconst rangeToSelect = model.schema.getNearestSelectionRange( writer.createPositionAt( tableCellToSelect, 0 ) );\n\n\t\t\t// Note: we ignore the case where rangeToSelect may be null because deleteContent() will always (unless someone broke it)\n\t\t\t// create an empty paragraph to accommodate the selection.\n\n\t\t\tif ( selection.is( 'documentSelection' ) ) {\n\t\t\t\twriter.setSelection( rangeToSelect );\n\t\t\t} else {\n\t\t\t\tselection.setTo( rangeToSelect );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns an array of table cells that should be selected based on the\n\t * given anchor cell and target (focus) cell.\n\t *\n\t * The cells are returned in a reverse direction if the selection is backward.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} anchorCell\n\t * @param {module:engine/model/element~Element} targetCell\n\t * @returns {Array.<module:engine/model/element~Element>}\n\t */\n\t_getCellsToSelect( anchorCell, targetCell ) {\n\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\tconst startLocation = tableUtils.getCellLocation( anchorCell );\n\t\tconst endLocation = tableUtils.getCellLocation( targetCell );\n\n\t\tconst startRow = Math.min( startLocation.row, endLocation.row );\n\t\tconst endRow = Math.max( startLocation.row, endLocation.row );\n\n\t\tconst startColumn = Math.min( startLocation.column, endLocation.column );\n\t\tconst endColumn = Math.max( startLocation.column, endLocation.column );\n\n\t\t// 2-dimensional array of the selected cells to ease flipping the order of cells for backward selections.\n\t\tconst selectionMap = new Array( endRow - startRow + 1 ).fill( null ).map( () => [] );\n\n\t\tconst walkerOptions = {\n\t\t\tstartRow,\n\t\t\tendRow,\n\t\t\tstartColumn,\n\t\t\tendColumn\n\t\t};\n\n\t\tfor ( const { row, cell } of new TableWalker( anchorCell.findAncestor( 'table' ), walkerOptions ) ) {\n\t\t\tselectionMap[ row - startRow ].push( cell );\n\t\t}\n\n\t\tconst flipVertically = endLocation.row < startLocation.row;\n\t\tconst flipHorizontally = endLocation.column < startLocation.column;\n\n\t\tif ( flipVertically ) {\n\t\t\tselectionMap.reverse();\n\t\t}\n\n\t\tif ( flipHorizontally ) {\n\t\t\tselectionMap.forEach( row => row.reverse() );\n\t\t}\n\n\t\treturn {\n\t\t\tcells: selectionMap.flat(),\n\t\t\tbackward: flipVertically || flipHorizontally\n\t\t};\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableclipboard\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport TableSelection from './tableselection';\nimport TableWalker from './tablewalker';\nimport TableUtils from './tableutils';\nimport { getColumnIndexes, getRowIndexes, getSelectionAffectedTableCells, isSelectionRectangular, sortRanges } from './utils/selection';\nimport {\n\tcropTableToDimensions,\n\tgetHorizontallyOverlappingCells,\n\tgetVerticallyOverlappingCells,\n\tremoveEmptyRowsColumns,\n\tsplitHorizontally,\n\tsplitVertically,\n\ttrimTableCellIfNeeded,\n\tadjustLastRowIndex,\n\tadjustLastColumnIndex\n} from './utils/structure';\n\n/**\n * This plugin adds support for copying/cutting/pasting fragments of tables.\n * It is loaded automatically by the {@link module:table/table~Table} plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableClipboard extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableClipboard';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableSelection, TableUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\n\t\tthis.listenTo( viewDocument, 'copy', ( evt, data ) => this._onCopyCut( evt, data ) );\n\t\tthis.listenTo( viewDocument, 'cut', ( evt, data ) => this._onCopyCut( evt, data ) );\n\t\tthis.listenTo( editor.model, 'insertContent', ( evt, args ) => this._onInsertContent( evt, ...args ), { priority: 'high' } );\n\n\t\tthis.decorate( '_replaceTableSlotCell' );\n\t}\n\n\t/**\n\t * Copies table content to a clipboard on \"copy\" & \"cut\" events.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the handled event.\n\t * @param {Object} data Clipboard event data.\n\t */\n\t_onCopyCut( evt, data ) {\n\t\tconst tableSelection = this.editor.plugins.get( TableSelection );\n\n\t\tif ( !tableSelection.getSelectedTableCells() ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( evt.name == 'cut' && this.editor.isReadOnly ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdata.preventDefault();\n\t\tevt.stop();\n\n\t\tconst dataController = this.editor.data;\n\t\tconst viewDocument = this.editor.editing.view.document;\n\n\t\tconst content = dataController.toView( tableSelection.getSelectionAsFragment() );\n\n\t\tviewDocument.fire( 'clipboardOutput', {\n\t\t\tdataTransfer: data.dataTransfer,\n\t\t\tcontent,\n\t\t\tmethod: evt.name\n\t\t} );\n\t}\n\n\t/**\n\t * Overrides default {@link module:engine/model/model~Model#insertContent `model.insertContent()`} method to handle pasting table inside\n\t * selected table fragment.\n\t *\n\t * Depending on selected table fragment:\n\t * - If a selected table fragment is smaller than paste table it will crop pasted table to match dimensions.\n\t * - If dimensions are equal it will replace selected table fragment with a pasted table contents.\n\t *\n\t * @private\n\t * @param evt\n\t * @param {module:engine/model/documentfragment~DocumentFragment|module:engine/model/item~Item} content The content to insert.\n\t * @param {module:engine/model/selection~Selectable} [selectable=model.document.selection]\n\t * The selection into which the content should be inserted. If not provided the current model document selection will be used.\n\t */\n\t_onInsertContent( evt, content, selectable ) {\n\t\tif ( selectable && !selectable.is( 'documentSelection' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst model = this.editor.model;\n\t\tconst tableUtils = this.editor.plugins.get( TableUtils );\n\n\t\t// We might need to crop table before inserting so reference might change.\n\t\tlet pastedTable = getTableIfOnlyTableInContent( content, model );\n\n\t\tif ( !pastedTable ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst selectedTableCells = getSelectionAffectedTableCells( model.document.selection );\n\n\t\tif ( !selectedTableCells.length ) {\n\t\t\tremoveEmptyRowsColumns( pastedTable, tableUtils );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Override default model.insertContent() handling at this point.\n\t\tevt.stop();\n\n\t\tmodel.change( writer => {\n\t\t\tconst pastedDimensions = {\n\t\t\t\twidth: tableUtils.getColumns( pastedTable ),\n\t\t\t\theight: tableUtils.getRows( pastedTable )\n\t\t\t};\n\n\t\t\t// Prepare the table for pasting.\n\t\t\tconst selection = prepareTableForPasting( selectedTableCells, pastedDimensions, writer, tableUtils );\n\n\t\t\t// Beyond this point we operate on a fixed content table with rectangular selection and proper last row/column values.\n\n\t\t\tconst selectionHeight = selection.lastRow - selection.firstRow + 1;\n\t\t\tconst selectionWidth = selection.lastColumn - selection.firstColumn + 1;\n\n\t\t\t// Crop pasted table if:\n\t\t\t// - Pasted table dimensions exceeds selection area.\n\t\t\t// - Pasted table has broken layout (ie some cells sticks out by the table dimensions established by the first and last row).\n\t\t\t//\n\t\t\t// Note: The table dimensions are established by the width of the first row and the total number of rows.\n\t\t\t// It is possible to programmatically create a table that has rows which would have cells anchored beyond first row width but\n\t\t\t// such table will not be created by other editing solutions.\n\t\t\tconst cropDimensions = {\n\t\t\t\tstartRow: 0,\n\t\t\t\tstartColumn: 0,\n\t\t\t\tendRow: Math.min( selectionHeight, pastedDimensions.height ) - 1,\n\t\t\t\tendColumn: Math.min( selectionWidth, pastedDimensions.width ) - 1\n\t\t\t};\n\n\t\t\tpastedTable = cropTableToDimensions( pastedTable, cropDimensions, writer );\n\n\t\t\t// Content table to which we insert a pasted table.\n\t\t\tconst selectedTable = selectedTableCells[ 0 ].findAncestor( 'table' );\n\n\t\t\tconst cellsToSelect = this._replaceSelectedCellsWithPasted( pastedTable, pastedDimensions, selectedTable, selection, writer );\n\n\t\t\tif ( this.editor.plugins.get( 'TableSelection' ).isEnabled ) {\n\t\t\t\t// Selection ranges must be sorted because the first and last selection ranges are considered\n\t\t\t\t// as anchor/focus cell ranges for multi-cell selection.\n\t\t\t\tconst selectionRanges = sortRanges( cellsToSelect.map( cell => writer.createRangeOn( cell ) ) );\n\n\t\t\t\twriter.setSelection( selectionRanges );\n\t\t\t} else {\n\t\t\t\t// Set selection inside first cell if multi-cell selection is disabled.\n\t\t\t\twriter.setSelection( cellsToSelect[ 0 ], 0 );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Replaces the part of selectedTable with pastedTable.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} pastedTable\n\t * @param {Object} pastedDimensions\n\t * @param {Number} pastedDimensions.height\n\t * @param {Number} pastedDimensions.width\n\t * @param {module:engine/model/element~Element} selectedTable\n\t * @param {Object} selection\n\t * @param {Number} selection.firstColumn\n\t * @param {Number} selection.firstRow\n\t * @param {Number} selection.lastColumn\n\t * @param {Number} selection.lastRow\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @returns {Array.<module:engine/model/element~Element>}\n\t */\n\t_replaceSelectedCellsWithPasted( pastedTable, pastedDimensions, selectedTable, selection, writer ) {\n\t\tconst { width: pastedWidth, height: pastedHeight } = pastedDimensions;\n\n\t\t// Holds two-dimensional array that is addressed by [ row ][ column ] that stores cells anchored at given location.\n\t\tconst pastedTableLocationMap = createLocationMap( pastedTable, pastedWidth, pastedHeight );\n\n\t\tconst selectedTableMap = [ ...new TableWalker( selectedTable, {\n\t\t\tstartRow: selection.firstRow,\n\t\t\tendRow: selection.lastRow,\n\t\t\tstartColumn: selection.firstColumn,\n\t\t\tendColumn: selection.lastColumn,\n\t\t\tincludeAllSlots: true\n\t\t} ) ];\n\n\t\t// Selection must be set to pasted cells (some might be removed or new created).\n\t\tconst cellsToSelect = [];\n\n\t\t// Store next cell insert position.\n\t\tlet insertPosition;\n\n\t\t// Content table replace cells algorithm iterates over a selected table fragment and:\n\t\t//\n\t\t// - Removes existing table cells at current slot (location).\n\t\t// - Inserts cell from a pasted table for a matched slots.\n\t\t//\n\t\t// This ensures proper table geometry after the paste\n\t\tfor ( const tableSlot of selectedTableMap ) {\n\t\t\tconst { row, column } = tableSlot;\n\n\t\t\t// Save the insert position for current row start.\n\t\t\tif ( column === selection.firstColumn ) {\n\t\t\t\tinsertPosition = tableSlot.getPositionBefore();\n\t\t\t}\n\n\t\t\t// Map current table slot location to an pasted table slot location.\n\t\t\tconst pastedRow = row - selection.firstRow;\n\t\t\tconst pastedColumn = column - selection.firstColumn;\n\t\t\tconst pastedCell = pastedTableLocationMap[ pastedRow % pastedHeight ][ pastedColumn % pastedWidth ];\n\n\t\t\t// Clone cell to insert (to duplicate its attributes and children).\n\t\t\t// Cloning is required to support repeating pasted table content when inserting to a bigger selection.\n\t\t\tconst cellToInsert = pastedCell ? writer.cloneElement( pastedCell ) : null;\n\n\t\t\t// Replace the cell from the current slot with new table cell.\n\t\t\tconst newTableCell = this._replaceTableSlotCell( tableSlot, cellToInsert, insertPosition, writer );\n\n\t\t\t// The cell was only removed.\n\t\t\tif ( !newTableCell ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// Trim the cell if it's row/col-spans would exceed selection area.\n\t\t\ttrimTableCellIfNeeded( newTableCell, row, column, selection.lastRow, selection.lastColumn, writer );\n\n\t\t\tcellsToSelect.push( newTableCell );\n\n\t\t\tinsertPosition = writer.createPositionAfter( newTableCell );\n\t\t}\n\n\t\t// If there are any headings, all the cells that overlap from heading must be splitted.\n\t\tconst headingRows = parseInt( selectedTable.getAttribute( 'headingRows' ) || 0 );\n\t\tconst headingColumns = parseInt( selectedTable.getAttribute( 'headingColumns' ) || 0 );\n\n\t\tconst areHeadingRowsIntersectingSelection = selection.firstRow < headingRows && headingRows <= selection.lastRow;\n\t\tconst areHeadingColumnsIntersectingSelection = selection.firstColumn < headingColumns && headingColumns <= selection.lastColumn;\n\n\t\tif ( areHeadingRowsIntersectingSelection ) {\n\t\t\tconst columnsLimit = { first: selection.firstColumn, last: selection.lastColumn };\n\t\t\tconst newCells = doHorizontalSplit( selectedTable, headingRows, columnsLimit, writer, selection.firstRow );\n\n\t\t\tcellsToSelect.push( ...newCells );\n\t\t}\n\n\t\tif ( areHeadingColumnsIntersectingSelection ) {\n\t\t\tconst rowsLimit = { first: selection.firstRow, last: selection.lastRow };\n\t\t\tconst newCells = doVerticalSplit( selectedTable, headingColumns, rowsLimit, writer );\n\n\t\t\tcellsToSelect.push( ...newCells );\n\t\t}\n\n\t\treturn cellsToSelect;\n\t}\n\n\t/**\n\t * Replaces a single table slot.\n\t *\n\t * @private\n\t * @param {module:table/tablewalker~TableSlot} tableSlot\n\t * @param {module:engine/model/element~Element} cellToInsert\n\t * @param {module:engine/model/position~Position} insertPosition\n\t * @param {module:engine/model/writer~Writer} writer\n\t * @returns {module:engine/model/element~Element|null} Inserted table cell or null if slot should remain empty.\n\t */\n\t_replaceTableSlotCell( tableSlot, cellToInsert, insertPosition, writer ) {\n\t\tconst { cell, isAnchor } = tableSlot;\n\n\t\t// If the slot is occupied by a cell in a selected table - remove it.\n\t\t// The slot of this cell will be either:\n\t\t// - Replaced by a pasted table cell.\n\t\t// - Spanned by a previously pasted table cell.\n\t\tif ( isAnchor ) {\n\t\t\twriter.remove( cell );\n\t\t}\n\n\t\t// There is no cell to insert (might be spanned by other cell in a pasted table) - advance to the next content table slot.\n\t\tif ( !cellToInsert ) {\n\t\t\treturn null;\n\t\t}\n\n\t\twriter.insert( cellToInsert, insertPosition );\n\n\t\treturn cellToInsert;\n\t}\n}\n\n/**\n * Extract table for pasting into table.\n *\n * @private\n * @param {module:engine/model/documentfragment~DocumentFragment|module:engine/model/item~Item} content The content to insert.\n * @param {module:engine/model/model~Model} model The editor model.\n * @returns {module:engine/model/element~Element|null}\n */\nexport function getTableIfOnlyTableInContent( content, model ) {\n\tif ( !content.is( 'documentFragment' ) && !content.is( 'element' ) ) {\n\t\treturn null;\n\t}\n\n\t// Table passed directly.\n\tif ( content.is( 'element', 'table' ) ) {\n\t\treturn content;\n\t}\n\n\t// We do not support mixed content when pasting table into table.\n\t// See: https://github.com/ckeditor/ckeditor5/issues/6817.\n\tif ( content.childCount == 1 && content.getChild( 0 ).is( 'element', 'table' ) ) {\n\t\treturn content.getChild( 0 );\n\t}\n\n\t// If there are only whitespaces around a table then use that table for pasting.\n\n\tconst contentRange = model.createRangeIn( content );\n\n\tfor ( const element of contentRange.getItems() ) {\n\t\tif ( element.is( 'element', 'table' ) ) {\n\t\t\t// Stop checking if there is some content before table.\n\t\t\tconst rangeBefore = model.createRange( contentRange.start, model.createPositionBefore( element ) );\n\n\t\t\tif ( model.hasContent( rangeBefore, { ignoreWhitespaces: true } ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\t// Stop checking if there is some content after table.\n\t\t\tconst rangeAfter = model.createRange( model.createPositionAfter( element ), contentRange.end );\n\n\t\t\tif ( model.hasContent( rangeAfter, { ignoreWhitespaces: true } ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\t// There wasn't any content neither before nor after.\n\t\t\treturn element;\n\t\t}\n\t}\n\n\treturn null;\n}\n\n// Prepares a table for pasting and returns adjusted selection dimensions.\n//\n// @param {Array.<module:engine/model/element~Element>} selectedTableCells\n// @param {Object} pastedDimensions\n// @param {Number} pastedDimensions.height\n// @param {Number} pastedDimensions.width\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:table/tableutils~TableUtils} tableUtils\n// @returns {Object} selection\n// @returns {Number} selection.firstColumn\n// @returns {Number} selection.firstRow\n// @returns {Number} selection.lastColumn\n// @returns {Number} selection.lastRow\nfunction prepareTableForPasting( selectedTableCells, pastedDimensions, writer, tableUtils ) {\n\tconst selectedTable = selectedTableCells[ 0 ].findAncestor( 'table' );\n\n\tconst columnIndexes = getColumnIndexes( selectedTableCells );\n\tconst rowIndexes = getRowIndexes( selectedTableCells );\n\n\tconst selection = {\n\t\tfirstColumn: columnIndexes.first,\n\t\tlastColumn: columnIndexes.last,\n\t\tfirstRow: rowIndexes.first,\n\t\tlastRow: rowIndexes.last\n\t};\n\n\t// Single cell selected - expand selection to pasted table dimensions.\n\tconst shouldExpandSelection = selectedTableCells.length === 1;\n\n\tif ( shouldExpandSelection ) {\n\t\tselection.lastRow += pastedDimensions.height - 1;\n\t\tselection.lastColumn += pastedDimensions.width - 1;\n\n\t\texpandTableSize( selectedTable, selection.lastRow + 1, selection.lastColumn + 1, tableUtils );\n\t}\n\n\t// In case of expanding selection we do not reset the selection so in this case we will always try to fix selection\n\t// like in the case of a non-rectangular area. This might be fixed by re-setting selected cells array but this shortcut is safe.\n\tif ( shouldExpandSelection || !isSelectionRectangular( selectedTableCells, tableUtils ) ) {\n\t\t// For a non-rectangular selection (ie in which some cells sticks out from a virtual selection rectangle) we need to create\n\t\t// a table layout that has a rectangular selection. This will split cells so the selection become rectangular.\n\t\t// Beyond this point we will operate on fixed content table.\n\t\tsplitCellsToRectangularSelection( selectedTable, selection, writer );\n\t}\n\t// However a selected table fragment might be invalid if examined alone. Ie such table fragment:\n\t//\n\t//    +---+---+---+---+\n\t//  0 | a | b | c | d |\n\t//    +   +   +---+---+\n\t//  1 |   | e | f | g |\n\t//    +   +---+   +---+\n\t//  2 |   | h |   | i | <- last row, each cell has rowspan = 2,\n\t//    +   +   +   +   +    so we need to return 3, not 2\n\t//  3 |   |   |   |   |\n\t//    +---+---+---+---+\n\t//\n\t// is invalid as the cells \"h\" and \"i\" have rowspans.\n\t// This case needs only adjusting the selection dimension as the rest of the algorithm operates on empty slots also.\n\telse {\n\t\tselection.lastRow = adjustLastRowIndex( selectedTable, selection );\n\t\tselection.lastColumn = adjustLastColumnIndex( selectedTable, selection );\n\t}\n\n\treturn selection;\n}\n\n// Expand table (in place) to expected size.\nfunction expandTableSize( table, expectedHeight, expectedWidth, tableUtils ) {\n\tconst tableWidth = tableUtils.getColumns( table );\n\tconst tableHeight = tableUtils.getRows( table );\n\n\tif ( expectedWidth > tableWidth ) {\n\t\ttableUtils.insertColumns( table, {\n\t\t\tat: tableWidth,\n\t\t\tcolumns: expectedWidth - tableWidth\n\t\t} );\n\t}\n\n\tif ( expectedHeight > tableHeight ) {\n\t\ttableUtils.insertRows( table, {\n\t\t\tat: tableHeight,\n\t\t\trows: expectedHeight - tableHeight\n\t\t} );\n\t}\n}\n\n// Returns two-dimensional array that is addressed by [ row ][ column ] that stores cells anchored at given location.\n//\n// At given row & column location it might be one of:\n//\n// * cell - cell from pasted table anchored at this location.\n// * null - if no cell is anchored at this location.\n//\n// For instance, from a table below:\n//\n//\t\t+----+----+----+----+\n//\t\t| 00 | 01 | 02 | 03 |\n//\t\t+    +----+----+----+\n//\t\t|    | 11      | 13 |\n//\t\t+----+         +----+\n//\t\t| 20 |         | 23 |\n//\t\t+----+----+----+----+\n//\n// The method will return an array (numbers represents cell element):\n//\n//\tconst map = [\n//\t\t[ '00', '01', '02', '03' ],\n//\t\t[ null, '11', null, '13' ],\n//\t\t[ '20', null, null, '23' ]\n//\t]\n//\n// This allows for a quick access to table at give row & column. For instance to access table cell \"13\" from pasted table call:\n//\n//\t\tconst cell = map[ 1 ][ 3 ]\n//\nfunction createLocationMap( table, width, height ) {\n\t// Create height x width (row x column) two-dimensional table to store cells.\n\tconst map = new Array( height ).fill( null )\n\t\t.map( () => new Array( width ).fill( null ) );\n\n\tfor ( const { column, row, cell } of new TableWalker( table ) ) {\n\t\tmap[ row ][ column ] = cell;\n\t}\n\n\treturn map;\n}\n\n// Make selected cells rectangular by splitting the cells that stand out from a rectangular selection.\n//\n// In the table below a selection is shown with \"::\" and slots with anchor cells are named.\n//\n// +----+----+----+----+----+                    +----+----+----+----+----+\n// | 00 | 01 | 02 | 03      |                    | 00 | 01 | 02 | 03      |\n// +    +----+    +----+----+                    |    ::::::::::::::::----+\n// |    | 11 |    | 13 | 14 |                    |    ::11 |    | 13:: 14 |    <- first row\n// +----+----+    +    +----+                    +----::---|    |   ::----+\n// | 20 | 21 |    |    | 24 |   select cells:    | 20 ::21 |    |   :: 24 |\n// +----+----+    +----+----+     11 -> 33       +----::---|    |---::----+\n// | 30      |    | 33 | 34 |                    | 30 ::   |    | 33:: 34 |    <- last row\n// +         +    +----+    +                    |    ::::::::::::::::    +\n// |         |    | 43 |    |                    |         |    | 43 |    |\n// +----+----+----+----+----+                    +----+----+----+----+----+\n//                                                      ^          ^\n//                                                     first & last columns\n//\n// Will update table to:\n//\n//                       +----+----+----+----+----+\n//                       | 00 | 01 | 02 | 03      |\n//                       +    +----+----+----+----+\n//                       |    | 11 |    | 13 | 14 |\n//                       +----+----+    +    +----+\n//                       | 20 | 21 |    |    | 24 |\n//                       +----+----+    +----+----+\n//                       | 30 |    |    | 33 | 34 |\n//                       +    +----+----+----+    +\n//                       |    |    |    | 43 |    |\n//                       +----+----+----+----+----+\n//\n// In th example above:\n// - Cell \"02\" which have `rowspan = 4` must be trimmed at first and at after last row.\n// - Cell \"03\" which have `rowspan = 2` and `colspan = 2` must be trimmed at first column and after last row.\n// - Cells \"00\", \"03\" & \"30\" which cannot be cut by this algorithm as they are outside the trimmed area.\n// - Cell \"13\" cannot be cut as it is inside the trimmed area.\nfunction splitCellsToRectangularSelection( table, dimensions, writer ) {\n\tconst { firstRow, lastRow, firstColumn, lastColumn } = dimensions;\n\n\tconst rowIndexes = { first: firstRow, last: lastRow };\n\tconst columnIndexes = { first: firstColumn, last: lastColumn };\n\n\t// 1. Split cells vertically in two steps as first step might create cells that needs to split again.\n\tdoVerticalSplit( table, firstColumn, rowIndexes, writer );\n\tdoVerticalSplit( table, lastColumn + 1, rowIndexes, writer );\n\n\t// 2. Split cells horizontally in two steps as first step might create cells that needs to split again.\n\tdoHorizontalSplit( table, firstRow, columnIndexes, writer );\n\tdoHorizontalSplit( table, lastRow + 1, columnIndexes, writer, firstRow );\n}\n\nfunction doHorizontalSplit( table, splitRow, limitColumns, writer, startRow = 0 ) {\n\t// If selection starts at first row then no split is needed.\n\tif ( splitRow < 1 ) {\n\t\treturn;\n\t}\n\n\tconst overlappingCells = getVerticallyOverlappingCells( table, splitRow, startRow );\n\n\t// Filter out cells that are not touching insides of the rectangular selection.\n\tconst cellsToSplit = overlappingCells.filter( ( { column, cellWidth } ) => isAffectedBySelection( column, cellWidth, limitColumns ) );\n\n\treturn cellsToSplit.map( ( { cell } ) => splitHorizontally( cell, splitRow, writer ) );\n}\n\nfunction doVerticalSplit( table, splitColumn, limitRows, writer ) {\n\t// If selection starts at first column then no split is needed.\n\tif ( splitColumn < 1 ) {\n\t\treturn;\n\t}\n\n\tconst overlappingCells = getHorizontallyOverlappingCells( table, splitColumn );\n\n\t// Filter out cells that are not touching insides of the rectangular selection.\n\tconst cellsToSplit = overlappingCells.filter( ( { row, cellHeight } ) => isAffectedBySelection( row, cellHeight, limitRows ) );\n\n\treturn cellsToSplit.map( ( { cell, column } ) => splitVertically( cell, column, splitColumn, writer ) );\n}\n\n// Checks if cell at given row (column) is affected by a rectangular selection defined by first/last column (row).\n//\n// The same check is used for row as for column.\nfunction isAffectedBySelection( index, span, limit ) {\n\tconst endIndex = index + span - 1;\n\tconst { first, last } = limit;\n\n\tconst isInsideSelection = index >= first && index <= last;\n\tconst overlapsSelectionFromOutside = index < first && endIndex >= first;\n\n\treturn isInsideSelection || overlapsSelectionFromOutside;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablekeyboard\n */\n\nimport TableSelection from './tableselection';\nimport TableWalker from './tablewalker';\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { getLocalizedArrowKeyCodeDirection } from 'ckeditor5/src/utils';\nimport { getSelectedTableCells, getTableCellsContainingSelection } from './utils/selection';\n\n/**\n * This plugin enables keyboard navigation for tables.\n * It is loaded automatically by the {@link module:table/table~Table} plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableKeyboard extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableKeyboard';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableSelection ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst view = this.editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// Handle Tab key navigation.\n\t\tthis.editor.keystrokes.set( 'Tab', ( ...args ) => this._handleTabOnSelectedTable( ...args ), { priority: 'low' } );\n\t\tthis.editor.keystrokes.set( 'Tab', this._getTabHandler( true ), { priority: 'low' } );\n\t\tthis.editor.keystrokes.set( 'Shift+Tab', this._getTabHandler( false ), { priority: 'low' } );\n\n\t\tthis.listenTo( viewDocument, 'arrowKey', ( ...args ) => this._onArrowKey( ...args ), { context: 'table' } );\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:keydown keydown} events for the <kbd>Tab</kbd> key executed\n\t * when the table widget is selected.\n\t *\n\t * @private\n\t * @param {module:engine/view/observer/keyobserver~KeyEventData} data Key event data.\n\t * @param {Function} cancel The stop/stopPropagation/preventDefault function.\n\t */\n\t_handleTabOnSelectedTable( data, cancel ) {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\tif ( !selectedElement || !selectedElement.is( 'element', 'table' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tcancel();\n\n\t\teditor.model.change( writer => {\n\t\t\twriter.setSelection( writer.createRangeIn( selectedElement.getChild( 0 ).getChild( 0 ) ) );\n\t\t} );\n\t}\n\n\t/**\n\t * Returns a handler for {@link module:engine/view/document~Document#event:keydown keydown} events for the <kbd>Tab</kbd> key executed\n\t * inside table cells.\n\t *\n\t * @private\n\t * @param {Boolean} isForward Whether this handler will move the selection to the next or the previous cell.\n\t */\n\t_getTabHandler( isForward ) {\n\t\tconst editor = this.editor;\n\n\t\treturn ( domEventData, cancel ) => {\n\t\t\tconst selection = editor.model.document.selection;\n\t\t\tlet tableCell = getTableCellsContainingSelection( selection )[ 0 ];\n\n\t\t\tif ( !tableCell ) {\n\t\t\t\ttableCell = this.editor.plugins.get( 'TableSelection' ).getFocusCell();\n\t\t\t}\n\n\t\t\tif ( !tableCell ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tcancel();\n\n\t\t\tconst tableRow = tableCell.parent;\n\t\t\tconst table = tableRow.parent;\n\n\t\t\tconst currentRowIndex = table.getChildIndex( tableRow );\n\t\t\tconst currentCellIndex = tableRow.getChildIndex( tableCell );\n\n\t\t\tconst isFirstCellInRow = currentCellIndex === 0;\n\n\t\t\tif ( !isForward && isFirstCellInRow && currentRowIndex === 0 ) {\n\t\t\t\t// Set the selection over the whole table if the selection was in the first table cell.\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.setSelection( writer.createRangeOn( table ) );\n\t\t\t\t} );\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst tableUtils = this.editor.plugins.get( 'TableUtils' );\n\t\t\tconst isLastCellInRow = currentCellIndex === tableRow.childCount - 1;\n\t\t\tconst isLastRow = currentRowIndex === tableUtils.getRows( table ) - 1;\n\n\t\t\tif ( isForward && isLastRow && isLastCellInRow ) {\n\t\t\t\teditor.execute( 'insertTableRowBelow' );\n\n\t\t\t\t// Check if the command actually added a row. If `insertTableRowBelow` execution didn't add a row (because it was disabled\n\t\t\t\t// or it got overwritten) set the selection over the whole table to mirror the first cell case.\n\t\t\t\tif ( currentRowIndex === tableUtils.getRows( table ) - 1 ) {\n\t\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\t\twriter.setSelection( writer.createRangeOn( table ) );\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tlet cellToFocus;\n\n\t\t\t// Move to the first cell in the next row.\n\t\t\tif ( isForward && isLastCellInRow ) {\n\t\t\t\tconst nextRow = table.getChild( currentRowIndex + 1 );\n\n\t\t\t\tcellToFocus = nextRow.getChild( 0 );\n\t\t\t}\n\t\t\t// Move to the last cell in the previous row.\n\t\t\telse if ( !isForward && isFirstCellInRow ) {\n\t\t\t\tconst previousRow = table.getChild( currentRowIndex - 1 );\n\n\t\t\t\tcellToFocus = previousRow.getChild( previousRow.childCount - 1 );\n\t\t\t}\n\t\t\t// Move to the next/previous cell.\n\t\t\telse {\n\t\t\t\tcellToFocus = tableRow.getChild( currentCellIndex + ( isForward ? 1 : -1 ) );\n\t\t\t}\n\n\t\t\teditor.model.change( writer => {\n\t\t\t\twriter.setSelection( writer.createRangeIn( cellToFocus ) );\n\t\t\t} );\n\t\t};\n\t}\n\n\t/**\n\t * Handles {@link module:engine/view/document~Document#event:keydown keydown} events.\n\t *\n\t * @private\n\t * @param {module:utils/eventinfo~EventInfo} eventInfo\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t */\n\t_onArrowKey( eventInfo, domEventData ) {\n\t\tconst editor = this.editor;\n\t\tconst keyCode = domEventData.keyCode;\n\n\t\tconst direction = getLocalizedArrowKeyCodeDirection( keyCode, editor.locale.contentLanguageDirection );\n\t\tconst wasHandled = this._handleArrowKeys( direction, domEventData.shiftKey );\n\n\t\tif ( wasHandled ) {\n\t\t\tdomEventData.preventDefault();\n\t\t\tdomEventData.stopPropagation();\n\t\t\teventInfo.stop();\n\t\t}\n\t}\n\n\t/**\n\t * Handles arrow keys to move the selection around the table.\n\t *\n\t * @private\n\t * @param {'left'|'up'|'right'|'down'} direction The direction of the arrow key.\n\t * @param {Boolean} expandSelection If the current selection should be expanded.\n\t * @returns {Boolean} Returns `true` if key was handled.\n\t */\n\t_handleArrowKeys( direction, expandSelection ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst isForward = [ 'right', 'down' ].includes( direction );\n\n\t\t// In case one or more table cells are selected (from outside),\n\t\t// move the selection to a cell adjacent to the selected table fragment.\n\t\tconst selectedCells = getSelectedTableCells( selection );\n\n\t\tif ( selectedCells.length ) {\n\t\t\tlet focusCell;\n\n\t\t\tif ( expandSelection ) {\n\t\t\t\tfocusCell = this.editor.plugins.get( 'TableSelection' ).getFocusCell();\n\t\t\t} else {\n\t\t\t\tfocusCell = isForward ? selectedCells[ selectedCells.length - 1 ] : selectedCells[ 0 ];\n\t\t\t}\n\n\t\t\tthis._navigateFromCellInDirection( focusCell, direction, expandSelection );\n\n\t\t\treturn true;\n\t\t}\n\n\t\t// Abort if we're not in a table cell.\n\t\tconst tableCell = selection.focus.findAncestor( 'tableCell' );\n\n\t\t/* istanbul ignore if: paranoid check */\n\t\tif ( !tableCell ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// When the selection is not collapsed.\n\t\tif ( !selection.isCollapsed ) {\n\t\t\tif ( expandSelection ) {\n\t\t\t\t// Navigation is in the opposite direction than the selection direction so this is shrinking of the selection.\n\t\t\t\t// Selection for sure will not approach cell edge.\n\t\t\t\t//\n\t\t\t\t// With a special case when all cell content is selected - then selection should expand to the other cell.\n\t\t\t\t// Note: When the entire cell gets selected using CTRL+A, the selection is always forward.\n\t\t\t\tif ( selection.isBackward == isForward && !selection.containsEntireContent( tableCell ) ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst selectedElement = selection.getSelectedElement();\n\n\t\t\t\t// It will collapse for non-object selected so it's not going to move to other cell.\n\t\t\t\tif ( !selectedElement || !model.schema.isObject( selectedElement ) ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Let's check if the selection is at the beginning/end of the cell.\n\t\tif ( this._isSelectionAtCellEdge( selection, tableCell, isForward ) ) {\n\t\t\tthis._navigateFromCellInDirection( tableCell, direction, expandSelection );\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t/**\n\t * Returns `true` if the selection is at the boundary of a table cell according to the navigation direction.\n\t *\n\t * @private\n\t * @param {module:engine/model/selection~Selection} selection The current selection.\n\t * @param {module:engine/model/element~Element} tableCell The current table cell element.\n\t * @param {Boolean} isForward The expected navigation direction.\n\t * @returns {Boolean}\n\t */\n\t_isSelectionAtCellEdge( selection, tableCell, isForward ) {\n\t\tconst model = this.editor.model;\n\t\tconst schema = this.editor.model.schema;\n\n\t\tconst focus = isForward ? selection.getLastPosition() : selection.getFirstPosition();\n\n\t\t// If the current limit element is not table cell we are for sure not at the cell edge.\n\t\t// Also `modifySelection` will not let us out of it.\n\t\tif ( !schema.getLimitElement( focus ).is( 'element', 'tableCell' ) ) {\n\t\t\tconst boundaryPosition = model.createPositionAt( tableCell, isForward ? 'end' : 0 );\n\n\t\t\treturn boundaryPosition.isTouching( focus );\n\t\t}\n\n\t\tconst probe = model.createSelection( focus );\n\n\t\tmodel.modifySelection( probe, { direction: isForward ? 'forward' : 'backward' } );\n\n\t\t// If there was no change in the focus position, then it's not possible to move the selection there.\n\t\treturn focus.isEqual( probe.focus );\n\t}\n\n\t/**\n\t * Moves the selection from the given table cell in the specified direction.\n\t *\n\t * @protected\n\t * @param {module:engine/model/element~Element} focusCell The table cell that is current multi-cell selection focus.\n\t * @param {'left'|'up'|'right'|'down'} direction Direction in which selection should move.\n\t * @param {Boolean} [expandSelection=false] If the current selection should be expanded.\n\t */\n\t_navigateFromCellInDirection( focusCell, direction, expandSelection = false ) {\n\t\tconst model = this.editor.model;\n\n\t\tconst table = focusCell.findAncestor( 'table' );\n\t\tconst tableMap = [ ...new TableWalker( table, { includeAllSlots: true } ) ];\n\t\tconst { row: lastRow, column: lastColumn } = tableMap[ tableMap.length - 1 ];\n\n\t\tconst currentCellInfo = tableMap.find( ( { cell } ) => cell == focusCell );\n\t\tlet { row, column } = currentCellInfo;\n\n\t\tswitch ( direction ) {\n\t\t\tcase 'left':\n\t\t\t\tcolumn--;\n\t\t\t\tbreak;\n\n\t\t\tcase 'up':\n\t\t\t\trow--;\n\t\t\t\tbreak;\n\n\t\t\tcase 'right':\n\t\t\t\tcolumn += currentCellInfo.cellWidth;\n\t\t\t\tbreak;\n\n\t\t\tcase 'down':\n\t\t\t\trow += currentCellInfo.cellHeight;\n\t\t\t\tbreak;\n\t\t}\n\n\t\tconst isOutsideVertically = row < 0 || row > lastRow;\n\t\tconst isBeforeFirstCell = column < 0 && row <= 0;\n\t\tconst isAfterLastCell = column > lastColumn && row >= lastRow;\n\n\t\t// Note that if the table cell at the end of a row is row-spanned then isAfterLastCell will never be true.\n\t\t// However, we don't know if user was navigating on the last row or not, so let's stay in the table.\n\n\t\tif ( isOutsideVertically || isBeforeFirstCell || isAfterLastCell ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( writer.createRangeOn( table ) );\n\t\t\t} );\n\n\t\t\treturn;\n\t\t}\n\n\t\tif ( column < 0 ) {\n\t\t\tcolumn = expandSelection ? 0 : lastColumn;\n\t\t\trow--;\n\t\t} else if ( column > lastColumn ) {\n\t\t\tcolumn = expandSelection ? lastColumn : 0;\n\t\t\trow++;\n\t\t}\n\n\t\tconst cellToSelect = tableMap.find( cellInfo => cellInfo.row == row && cellInfo.column == column ).cell;\n\t\tconst isForward = [ 'right', 'down' ].includes( direction );\n\t\tconst tableSelection = this.editor.plugins.get( 'TableSelection' );\n\n\t\tif ( expandSelection && tableSelection.isEnabled ) {\n\t\t\tconst anchorCell = tableSelection.getAnchorCell() || focusCell;\n\n\t\t\ttableSelection.setCellSelection( anchorCell, cellToSelect );\n\t\t} else {\n\t\t\tconst positionToSelect = model.createPositionAt( cellToSelect, isForward ? 0 : 'end' );\n\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setSelection( positionToSelect );\n\t\t\t} );\n\t\t}\n\t}\n}\n\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableselection/mouseeventsobserver\n */\n\nimport { DomEventObserver } from 'ckeditor5/src/engine';\n\n/**\n * The mouse selection event observer.\n *\n * It registers listeners for the following DOM events:\n *\n * - `'mousemove'`\n * - `'mouseup'`\n * - `'mouseleave'`\n *\n * Note that this observer is disabled by default. To enable this observer, it needs to be added to\n * {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.\n *\n * The observer is registered by the {@link module:table/tableselection~TableSelection} plugin.\n *\n * @extends module:engine/view/observer/domeventobserver~DomEventObserver\n */\nexport default class MouseEventsObserver extends DomEventObserver {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tthis.domEventType = [ 'mousemove', 'mouseleave' ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tonDomEvent( domEvent ) {\n\t\tthis.fire( domEvent.type, domEvent );\n\t}\n}\n\n/**\n * Fired when the mouse is moved over one of the editables.\n *\n * Introduced by {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver}.\n *\n * Note that this event is not available by default. To make it available,\n * {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver} needs to be added\n * to {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:table/tableselection/mouseeventsobserver~MouseEventsObserver\n * @event module:engine/view/document~Document#event:mousemove\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n\n/**\n * Fired when the mouse is moved out of one of the editables.\n *\n * Introduced by {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver}.\n *\n * Note that this event is not available by default. To make it available,\n * {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver} needs to be added\n * to {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.\n *\n * @see module:table/tableselection/mouseeventsobserver~MouseEventsObserver\n * @event module:engine/view/document~Document#event:mouseleave\n * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablemouse\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport TableSelection from './tableselection';\nimport MouseEventsObserver from './tablemouse/mouseeventsobserver';\n\nimport { getTableCellsContainingSelection } from './utils/selection';\n\n/**\n * This plugin enables a table cells' selection with the mouse.\n * It is loaded automatically by the {@link module:table/table~Table} plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableMouse extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableMouse';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableSelection ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\t// Currently the MouseObserver only handles `mousedown` and `mouseup` events.\n\t\t// TODO move to the engine?\n\t\teditor.editing.view.addObserver( MouseEventsObserver );\n\n\t\tthis._enableShiftClickSelection();\n\t\tthis._enableMouseDragSelection();\n\t}\n\n\t/**\n\t * Enables making cells selection by <kbd>Shift</kbd>+click. Creates a selection from the cell which previously held\n\t * the selection to the cell which was clicked. It can be the same cell, in which case it selects a single cell.\n\t *\n\t * @private\n\t */\n\t_enableShiftClickSelection() {\n\t\tconst editor = this.editor;\n\t\tlet blockSelectionChange = false;\n\n\t\tconst tableSelection = editor.plugins.get( TableSelection );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mousedown', ( evt, domEventData ) => {\n\t\t\tif ( !this.isEnabled || !tableSelection.isEnabled ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !domEventData.domEvent.shiftKey ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst anchorCell = tableSelection.getAnchorCell() || getTableCellsContainingSelection( editor.model.document.selection )[ 0 ];\n\n\t\t\tif ( !anchorCell ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst targetCell = this._getModelTableCellFromDomEvent( domEventData );\n\n\t\t\tif ( targetCell && haveSameTableParent( anchorCell, targetCell ) ) {\n\t\t\t\tblockSelectionChange = true;\n\t\t\t\ttableSelection.setCellSelection( anchorCell, targetCell );\n\n\t\t\t\tdomEventData.preventDefault();\n\t\t\t}\n\t\t} );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mouseup', () => {\n\t\t\tblockSelectionChange = false;\n\t\t} );\n\n\t\t// We need to ignore a `selectionChange` event that is fired after we render our new table cells selection.\n\t\t// When downcasting table cells selection to the view, we put the view selection in the last selected cell\n\t\t// in a place that may not be natively a \"correct\" location. This is – we put it directly in the `<td>` element.\n\t\t// All browsers fire the native `selectionchange` event.\n\t\t// However, all browsers except Safari return the selection in the exact place where we put it\n\t\t// (even though it's visually normalized). Safari returns `<td><p>^foo` that makes our selection observer\n\t\t// fire our `selectionChange` event (because the view selection that we set in the first step differs from the DOM selection).\n\t\t// Since `selectionChange` is fired, we automatically update the model selection that moves it that paragraph.\n\t\t// This breaks our dear cells selection.\n\t\t//\n\t\t// Theoretically this issue concerns only Safari that is the only browser that do normalize the selection.\n\t\t// However, to avoid code branching and to have a good coverage for this event blocker, I enabled it for all browsers.\n\t\t//\n\t\t// Note: I'm keeping the `blockSelectionChange` state separately for shift+click and mouse drag (exact same logic)\n\t\t// so I don't have to try to analyze whether they don't overlap in some weird cases. Probably they don't.\n\t\t// But I have other things to do, like writing this comment.\n\t\tthis.listenTo( editor.editing.view.document, 'selectionChange', evt => {\n\t\t\tif ( blockSelectionChange ) {\n\t\t\t\t// @if CK_DEBUG // console.log( 'Blocked selectionChange to avoid breaking table cells selection.' );\n\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\t}\n\n\t/**\n\t * Enables making cells selection by dragging.\n\t *\n\t * The selection is made only on mousemove. Mouse tracking is started on mousedown.\n\t * However, the cells selection is enabled only after the mouse cursor left the anchor cell.\n\t * Thanks to that normal text selection within one cell works just fine. However, you can still select\n\t * just one cell by leaving the anchor cell and moving back to it.\n\t *\n\t * @private\n\t */\n\t_enableMouseDragSelection() {\n\t\tconst editor = this.editor;\n\t\tlet anchorCell, targetCell;\n\t\tlet beganCellSelection = false;\n\t\tlet blockSelectionChange = false;\n\n\t\tconst tableSelection = editor.plugins.get( TableSelection );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mousedown', ( evt, domEventData ) => {\n\t\t\tif ( !this.isEnabled || !tableSelection.isEnabled ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Make sure to not conflict with the shift+click listener and any other possible handler.\n\t\t\tif ( domEventData.domEvent.shiftKey || domEventData.domEvent.ctrlKey || domEventData.domEvent.altKey ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tanchorCell = this._getModelTableCellFromDomEvent( domEventData );\n\t\t} );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mousemove', ( evt, domEventData ) => {\n\t\t\tif ( !domEventData.domEvent.buttons ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( !anchorCell ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst newTargetCell = this._getModelTableCellFromDomEvent( domEventData );\n\n\t\t\tif ( newTargetCell && haveSameTableParent( anchorCell, newTargetCell ) ) {\n\t\t\t\ttargetCell = newTargetCell;\n\n\t\t\t\t// Switch to the cell selection mode after the mouse cursor left the anchor cell.\n\t\t\t\t// Switch off only on mouseup (makes selecting a single cell possible).\n\t\t\t\tif ( !beganCellSelection && targetCell != anchorCell ) {\n\t\t\t\t\tbeganCellSelection = true;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Yep, not making a cell selection yet. See method docs.\n\t\t\tif ( !beganCellSelection ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tblockSelectionChange = true;\n\t\t\ttableSelection.setCellSelection( anchorCell, targetCell );\n\n\t\t\tdomEventData.preventDefault();\n\t\t} );\n\n\t\tthis.listenTo( editor.editing.view.document, 'mouseup', () => {\n\t\t\tbeganCellSelection = false;\n\t\t\tblockSelectionChange = false;\n\t\t\tanchorCell = null;\n\t\t\ttargetCell = null;\n\t\t} );\n\n\t\t// See the explanation in `_enableShiftClickSelection()`.\n\t\tthis.listenTo( editor.editing.view.document, 'selectionChange', evt => {\n\t\t\tif ( blockSelectionChange ) {\n\t\t\t\t// @if CK_DEBUG // console.log( 'Blocked selectionChange to avoid breaking table cells selection.' );\n\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'highest' } );\n\t}\n\n\t/**\n\t * Returns the model table cell element based on the target element of the passed DOM event.\n\t *\n\t * @private\n\t * @param {module:engine/view/observer/domeventdata~DomEventData} domEventData\n\t * @returns {module:engine/model/element~Element|undefined} Returns the table cell or `undefined`.\n\t */\n\t_getModelTableCellFromDomEvent( domEventData ) {\n\t\t// Note: Work with positions (not element mapping) because the target element can be an attribute or other non-mapped element.\n\t\tconst viewTargetElement = domEventData.target;\n\t\tconst viewPosition = this.editor.editing.view.createPositionAt( viewTargetElement, 0 );\n\t\tconst modelPosition = this.editor.editing.mapper.toModelPosition( viewPosition );\n\t\tconst modelElement = modelPosition.parent;\n\n\t\treturn modelElement.findAncestor( 'tableCell', { includeSelf: true } );\n\t}\n}\n\nfunction haveSameTableParent( cellA, cellB ) {\n\treturn cellA.parent.parent == cellB.parent.parent;\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./table.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./table.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/ui/widget\n */\n\nimport { isWidget } from 'ckeditor5/src/widget';\n\n/**\n * Returns a table widget editing view element if one is selected.\n *\n * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} selection\n * @returns {module:engine/view/element~Element|null}\n */\nexport function getSelectedTableWidget( selection ) {\n\tconst viewElement = selection.getSelectedElement();\n\n\tif ( viewElement && isTableWidget( viewElement ) ) {\n\t\treturn viewElement;\n\t}\n\n\treturn null;\n}\n\n/**\n * Returns a table widget editing view element if one is among the selection's ancestors.\n *\n * @param {module:engine/view/selection~Selection|module:engine/view/documentselection~DocumentSelection} selection\n * @returns {module:engine/view/element~Element|null}\n */\nexport function getTableWidgetAncestor( selection ) {\n\tlet parent = selection.getFirstPosition().parent;\n\n\twhile ( parent ) {\n\t\tif ( parent.is( 'element' ) && isTableWidget( parent ) ) {\n\t\t\treturn parent;\n\t\t}\n\n\t\tparent = parent.parent;\n\t}\n\n\treturn null;\n}\n\n// Checks if a given view element is a table widget.\n//\n// @param {module:engine/view/element~Element} viewElement\n// @returns {Boolean}\nfunction isTableWidget( viewElement ) {\n\treturn !!viewElement.getCustomProperty( 'table' ) && isWidget( viewElement );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/converters/tableproperites\n */\n\n/**\n * Conversion helper for upcasting attributes using normalized styles.\n *\n * @param {module:engine/conversion/conversion~Conversion} conversion\n * @param {Object} options\n * @param {String} options.modelAttribute The attribute to set.\n * @param {String} options.styleName The style name to convert.\n * @param {String} options.viewElement The view element name that should be converted.\n * @param {String} options.defaultValue The default value for the specified `modelAttribute`.\n * @param {Boolean} [options.reduceBoxSides=false]\n */\nexport function upcastStyleToAttribute( conversion, options ) {\n\tconst { viewElement, defaultValue, modelAttribute, styleName, reduceBoxSides = false } = options;\n\n\tconversion.for( 'upcast' ).attributeToAttribute( {\n\t\tview: {\n\t\t\tname: viewElement,\n\t\t\tstyles: {\n\t\t\t\t[ styleName ]: /[\\s\\S]+/\n\t\t\t}\n\t\t},\n\t\tmodel: {\n\t\t\tkey: modelAttribute,\n\t\t\tvalue: viewElement => {\n\t\t\t\tconst normalized = viewElement.getNormalizedStyle( styleName );\n\t\t\t\tconst value = reduceBoxSides ? reduceBoxSidesValue( normalized ) : normalized;\n\n\t\t\t\tif ( defaultValue !== value ) {\n\t\t\t\t\treturn value;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t} );\n}\n\n/**\n * Conversion helper for upcasting border styles for view elements.\n *\n * @param {module:engine/conversion/conversion~Conversion} conversion\n * @param {String} viewElementName\n * @param {Object} modelAttributes\n * @param {Object} defaultBorder The default border values.\n * @param {String} defaultBorder.color The default `borderColor` value.\n * @param {String} defaultBorder.style The default `borderStyle` value.\n * @param {String} defaultBorder.width The default `borderWidth` value.\n */\nexport function upcastBorderStyles( conversion, viewElementName, modelAttributes, defaultBorder ) {\n\tconversion.for( 'upcast' ).add( dispatcher => dispatcher.on( 'element:' + viewElementName, ( evt, data, conversionApi ) => {\n\t\t// If the element was not converted by element-to-element converter,\n\t\t// we should not try to convert the style. See #8393.\n\t\tif ( !data.modelRange ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Check the most detailed properties. These will be always set directly or\n\t\t// when using the \"group\" properties like: `border-(top|right|bottom|left)` or `border`.\n\t\tconst stylesToConsume = [\n\t\t\t'border-top-width',\n\t\t\t'border-top-color',\n\t\t\t'border-top-style',\n\t\t\t'border-bottom-width',\n\t\t\t'border-bottom-color',\n\t\t\t'border-bottom-style',\n\t\t\t'border-right-width',\n\t\t\t'border-right-color',\n\t\t\t'border-right-style',\n\t\t\t'border-left-width',\n\t\t\t'border-left-color',\n\t\t\t'border-left-style'\n\t\t].filter( styleName => data.viewItem.hasStyle( styleName ) );\n\n\t\tif ( !stylesToConsume.length ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst matcherPattern = {\n\t\t\tstyles: stylesToConsume\n\t\t};\n\n\t\t// Try to consume appropriate values from consumable values list.\n\t\tif ( !conversionApi.consumable.test( data.viewItem, matcherPattern ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelElement = [ ...data.modelRange.getItems( { shallow: true } ) ].pop();\n\n\t\tconversionApi.consumable.consume( data.viewItem, matcherPattern );\n\n\t\tconst normalizedBorder = {\n\t\t\tstyle: data.viewItem.getNormalizedStyle( 'border-style' ),\n\t\t\tcolor: data.viewItem.getNormalizedStyle( 'border-color' ),\n\t\t\twidth: data.viewItem.getNormalizedStyle( 'border-width' )\n\t\t};\n\n\t\tconst reducedBorder = {\n\t\t\tstyle: reduceBoxSidesValue( normalizedBorder.style ),\n\t\t\tcolor: reduceBoxSidesValue( normalizedBorder.color ),\n\t\t\twidth: reduceBoxSidesValue( normalizedBorder.width )\n\t\t};\n\n\t\tif ( reducedBorder.style !== defaultBorder.style ) {\n\t\t\tconversionApi.writer.setAttribute( modelAttributes.style, reducedBorder.style, modelElement );\n\t\t}\n\n\t\tif ( reducedBorder.color !== defaultBorder.color ) {\n\t\t\tconversionApi.writer.setAttribute( modelAttributes.color, reducedBorder.color, modelElement );\n\t\t}\n\n\t\tif ( reducedBorder.width !== defaultBorder.width ) {\n\t\t\tconversionApi.writer.setAttribute( modelAttributes.width, reducedBorder.width, modelElement );\n\t\t}\n\t} ) );\n}\n\n/**\n * Conversion helper for downcasting an attribute to a style.\n *\n * @param {module:engine/conversion/conversion~Conversion} conversion\n * @param {Object} options\n * @param {String} options.modelElement\n * @param {String} options.modelAttribute\n * @param {String} options.styleName\n */\nexport function downcastAttributeToStyle( conversion, { modelElement, modelAttribute, styleName } ) {\n\tconversion.for( 'downcast' ).attributeToAttribute( {\n\t\tmodel: {\n\t\t\tname: modelElement,\n\t\t\tkey: modelAttribute\n\t\t},\n\t\tview: modelAttributeValue => ( {\n\t\t\tkey: 'style',\n\t\t\tvalue: {\n\t\t\t\t[ styleName ]: modelAttributeValue\n\t\t\t}\n\t\t} )\n\t} );\n}\n\n/**\n * Conversion helper for downcasting attributes from the model table to a view table (not to `<figure>`).\n *\n * @param {module:engine/conversion/conversion~Conversion} conversion\n * @param {Object} options\n * @param {String} options.modelAttribute\n * @param {String} options.styleName\n */\nexport function downcastTableAttribute( conversion, { modelAttribute, styleName } ) {\n\tconversion.for( 'downcast' ).add( dispatcher => dispatcher.on( `attribute:${ modelAttribute }:table`, ( evt, data, conversionApi ) => {\n\t\tconst { item, attributeNewValue } = data;\n\t\tconst { mapper, writer } = conversionApi;\n\n\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst table = [ ...mapper.toViewElement( item ).getChildren() ].find( child => child.is( 'element', 'table' ) );\n\n\t\tif ( attributeNewValue ) {\n\t\t\twriter.setStyle( styleName, attributeNewValue, table );\n\t\t} else {\n\t\t\twriter.removeStyle( styleName, table );\n\t\t}\n\t} ) );\n}\n\n// Reduces the full top, right, bottom, left object to a single string if all sides are equal.\nfunction reduceBoxSidesValue( style ) {\n\tif ( !style ) {\n\t\treturn;\n\t}\n\n\tconst commonValue = [ 'top', 'right', 'bottom', 'left' ]\n\t\t.map( side => style[ side ] )\n\t\t.reduce( ( result, side ) => result == side ? result : null );\n\n\treturn commonValue || style;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablepropertycommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\n/**\n * The table cell attribute command.\n *\n * This command is a base command for other table property commands.\n *\n * @extends module:core/command~Command\n */\nexport default class TablePropertyCommand extends Command {\n\t/**\n\t * Creates a new `TablePropertyCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} attributeName Table cell attribute name.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, attributeName, defaultValue ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The attribute that will be set by the command.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.attributeName = attributeName;\n\n\t\t/**\n\t\t * The default value for the attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {String}\n\t\t */\n\t\tthis._defaultValue = defaultValue;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst selection = editor.model.document.selection;\n\n\t\tconst table = selection.getFirstPosition().findAncestor( 'table' );\n\n\t\tthis.isEnabled = !!table;\n\t\tthis.value = this._getValue( table );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} [options]\n\t * @param {*} [options.value] If set, the command will set the attribute on the selected table.\n\t * If not set, the command will remove the attribute from the selected table.\n\t * @param {module:engine/model/batch~Batch} [options.batch] Pass the model batch instance to the command to aggregate changes,\n\t * for example, to allow a single undo step for multiple executions.\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\n\t\tconst { value, batch } = options;\n\n\t\tconst table = selection.getFirstPosition().findAncestor( 'table' );\n\t\tconst valueToSet = this._getValueToSet( value );\n\n\t\tmodel.enqueueChange( batch, writer => {\n\t\t\tif ( valueToSet ) {\n\t\t\t\twriter.setAttribute( this.attributeName, valueToSet, table );\n\t\t\t} else {\n\t\t\t\twriter.removeAttribute( this.attributeName, table );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the attribute value for a table.\n\t *\n\t * @param {module:engine/model/element~Element} table\n\t * @returns {String|undefined}\n\t * @private\n\t */\n\t_getValue( table ) {\n\t\tif ( !table ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = table.getAttribute( this.attributeName );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n\n\t/**\n\t * Returns the proper model value. It can be used to add a default unit to numeric values.\n\t *\n\t * @private\n\t * @param {*} value\n\t * @returns {*}\n\t */\n\t_getValueToSet( value ) {\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablebackgroundcolorcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\n\n/**\n * The table background color command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableBackgroundColor'` editor command.\n *\n * To change the background color of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableBackgroundColor', {\n *\t\t\tvalue: '#f00'\n *\t\t} );\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableBackgroundColorCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableBackgroundColorCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableBackgroundColor', defaultValue );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/table-properties\n */\n\nimport { isObject } from 'lodash-es';\n\n/**\n * Returns a string if all four values of box sides are equal.\n *\n * If a string is passed, it is treated as a single value (pass-through).\n *\n *\t\t// Returns 'foo':\n *\t\tgetSingleValue( { top: 'foo', right: 'foo', bottom: 'foo', left: 'foo' } );\n *\t\tgetSingleValue( 'foo' );\n *\n *\t\t// Returns undefined:\n *\t\tgetSingleValue( { top: 'foo', right: 'foo', bottom: 'bar', left: 'foo' } );\n *\t\tgetSingleValue( { top: 'foo', right: 'foo' } );\n *\n * @param objectOrString\n * @returns {module:engine/view/stylesmap~BoxSides|String}\n */\nexport function getSingleValue( objectOrString ) {\n\tif ( !objectOrString || !isObject( objectOrString ) ) {\n\t\treturn objectOrString;\n\t}\n\n\tconst { top, right, bottom, left } = objectOrString;\n\n\tif ( top == right && right == bottom && bottom == left ) {\n\t\treturn top;\n\t}\n}\n\n/**\n * Adds a unit to a value if the value is a number or a string representing a number.\n *\n * **Note**: It does nothing to non-numeric values.\n *\n *\t\tgetSingleValue( 25, 'px' );\t\t// '25px'\n *\t\tgetSingleValue( 25, 'em' );\t\t// '25em'\n *\t\tgetSingleValue( '25em', 'px' );\t// '25em'\n *\t\tgetSingleValue( 'foo', 'px' );\t// 'foo'\n *\n * @param {*} value\n * @param {String} defaultUnit A default unit added to a numeric value.\n * @returns {String|*}\n */\nexport function addDefaultUnitToNumericValue( value, defaultUnit ) {\n\tconst numericValue = parseFloat( value );\n\n\tif ( Number.isNaN( numericValue ) ) {\n\t\treturn value;\n\t}\n\n\tif ( String( numericValue ) !== String( value ) ) {\n\t\treturn value;\n\t}\n\n\treturn `${ numericValue }${ defaultUnit }`;\n}\n\n/**\n * Returns the normalized configuration.\n *\n * @param {Object} config\n * @param {Object} [options={}]\n * @param {Boolean} [options.includeAlignmentProperty=false] Whether the \"alignment\" property should be added.\n * @param {Boolean} [options.includePaddingProperty=false] Whether the \"padding\" property should be added.\n * @param {Boolean} [options.includeVerticalAlignmentProperty=false] Whether the \"verticalAlignment\" property should be added.\n * @param {Boolean} [options.includeHorizontalAlignmentProperty=false] Whether the \"horizontalAlignment\" property should be added.\n * @param {Boolean} [options.isRightToLeftContent=false] Whether the content is right-to-left.\n * @returns {Object}\n */\nexport function getNormalizedDefaultProperties( config, options = {} ) {\n\tconst normalizedConfig = Object.assign( {\n\t\tborderStyle: 'none',\n\t\tborderWidth: '',\n\t\tborderColor: '',\n\t\tbackgroundColor: '',\n\t\twidth: '',\n\t\theight: ''\n\t}, config );\n\n\tif ( options.includeAlignmentProperty && !normalizedConfig.alignment ) {\n\t\tnormalizedConfig.alignment = 'center';\n\t}\n\n\tif ( options.includePaddingProperty && !normalizedConfig.padding ) {\n\t\tnormalizedConfig.padding = '';\n\t}\n\n\tif ( options.includeVerticalAlignmentProperty && !normalizedConfig.verticalAlignment ) {\n\t\tnormalizedConfig.verticalAlignment = 'middle';\n\t}\n\n\tif ( options.includeHorizontalAlignmentProperty && !normalizedConfig.horizontalAlignment ) {\n\t\tnormalizedConfig.horizontalAlignment = options.isRightToLeftContent ? 'right' : 'left';\n\t}\n\n\treturn normalizedConfig;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablebordercolorcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table border color command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableBorderColor'` editor command.\n *\n * To change the border color of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableBorderColor', {\n *\t\t\tvalue: '#f00'\n *\t\t} );\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableBorderColorCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableBorderColorCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableBorderColor', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValue( table ) {\n\t\tif ( !table ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = getSingleValue( table.getAttribute( this.attributeName ) );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tableborderstylecommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table style border command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableBorderStyle'` editor command.\n *\n * To change the border style of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableBorderStyle', {\n *\t\t\tvalue: 'dashed'\n *\t\t} );\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableBorderStyleCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableBorderStyleCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableBorderStyle', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValue( table ) {\n\t\tif ( !table ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = getSingleValue( table.getAttribute( this.attributeName ) );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tableborderwidthcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { addDefaultUnitToNumericValue, getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table width border command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableBorderWidth'` editor command.\n *\n * To change the border width of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableBorderWidth', {\n *\t\t\tvalue: '5px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableBorderWidth', {\n *\t\t\tvalue: '5'\n *\t\t} );\n *\n * will set the `borderWidth` attribute to `'5px'` in the model.\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableBorderWidthCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableBorderWidthCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableBorderWidth', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValue( table ) {\n\t\tif ( !table ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = getSingleValue( table.getAttribute( this.attributeName ) );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\tvalue = addDefaultUnitToNumericValue( value, 'px' );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablewidthcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { addDefaultUnitToNumericValue } from '../../utils/table-properties';\n\n/**\n * The table width command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableWidth'` editor command.\n *\n * To change the width of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableWidth', {\n *\t\t\tvalue: '400px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableWidth', {\n *\t\t\tvalue: '50'\n *\t\t} );\n *\n * will set the `width` attribute to `'50px'` in the model.\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableWidthCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableWidthCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableWidth', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\tvalue = addDefaultUnitToNumericValue( value, 'px' );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tableheightcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\nimport { addDefaultUnitToNumericValue } from '../../utils/table-properties';\n\n/**\n * The table height command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableHeight'` editor command.\n *\n * To change the height of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableHeight', {\n *\t\t\tvalue: '500px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableHeight', {\n *\t\t\tvalue: '50'\n *\t\t} );\n *\n * will set the `height` attribute to `'50px'` in the model.\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableHeightCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableHeightCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableHeight', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\tvalue = addDefaultUnitToNumericValue( value, 'px' );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/commands/tablealignmentcommand\n */\n\nimport TablePropertyCommand from './tablepropertycommand';\n\n/**\n * The table alignment command.\n *\n * The command is registered by the {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing} as\n * the `'tableAlignment'` editor command.\n *\n * To change the alignment of the selected table, execute the command:\n *\n *\t\teditor.execute( 'tableAlignment', {\n *\t\t\tvalue: 'right'\n *\t\t} );\n *\n * @extends module:table/tableproperties/commands/tablepropertycommand~TablePropertyCommand\n */\nexport default class TableAlignmentCommand extends TablePropertyCommand {\n\t/**\n\t * Creates a new `TableAlignmentCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value for the \"alignment\" attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableAlignment', defaultValue );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/tablepropertiesediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { addBackgroundRules, addBorderRules } from 'ckeditor5/src/engine';\n\nimport TableEditing from '../tableediting';\nimport {\n\tdowncastAttributeToStyle,\n\tdowncastTableAttribute,\n\tupcastBorderStyles,\n\tupcastStyleToAttribute\n} from '../converters/tableproperties';\nimport TableBackgroundColorCommand from './commands/tablebackgroundcolorcommand';\nimport TableBorderColorCommand from './commands/tablebordercolorcommand';\nimport TableBorderStyleCommand from './commands/tableborderstylecommand';\nimport TableBorderWidthCommand from './commands/tableborderwidthcommand';\nimport TableWidthCommand from './commands/tablewidthcommand';\nimport TableHeightCommand from './commands/tableheightcommand';\nimport TableAlignmentCommand from './commands/tablealignmentcommand';\nimport { getNormalizedDefaultProperties } from '../utils/table-properties';\n\nconst ALIGN_VALUES_REG_EXP = /^(left|center|right)$/;\nconst FLOAT_VALUES_REG_EXP = /^(left|none|right)$/;\n\n/**\n * The table properties editing feature.\n *\n * Introduces table's model attributes and their conversion:\n *\n * - border: `tableBorderStyle`, `tableBorderColor` and `tableBorderWidth`\n * - background color: `tableBackgroundColor`\n * - horizontal alignment: `tableAlignment`\n * - width & height: `tableWidth` & `tableHeight`\n *\n * It also registers commands used to manipulate the above attributes:\n *\n * - border: `'tableBorderStyle'`, `'tableBorderColor'` and `'tableBorderWidth'` commands\n * - background color: `'tableBackgroundColor'`\n * - horizontal alignment: `'tableAlignment'`\n * - width & height: `'tableWidth'` & `'tableHeight'`\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TablePropertiesEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TablePropertiesEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\n\t\teditor.config.define( 'table.tableProperties.defaultProperties', {} );\n\n\t\tconst defaultTableProperties = getNormalizedDefaultProperties( editor.config.get( 'table.tableProperties.defaultProperties' ), {\n\t\t\tincludeAlignmentProperty: true\n\t\t} );\n\n\t\teditor.data.addStyleProcessorRules( addBorderRules );\n\t\tenableBorderProperties( schema, conversion, {\n\t\t\tcolor: defaultTableProperties.borderColor,\n\t\t\tstyle: defaultTableProperties.borderStyle,\n\t\t\twidth: defaultTableProperties.borderWidth\n\t\t} );\n\t\teditor.commands.add( 'tableBorderColor', new TableBorderColorCommand( editor, defaultTableProperties.borderColor ) );\n\t\teditor.commands.add( 'tableBorderStyle', new TableBorderStyleCommand( editor, defaultTableProperties.borderStyle ) );\n\t\teditor.commands.add( 'tableBorderWidth', new TableBorderWidthCommand( editor, defaultTableProperties.borderWidth ) );\n\n\t\tenableAlignmentProperty( schema, conversion, defaultTableProperties.alignment );\n\t\teditor.commands.add( 'tableAlignment', new TableAlignmentCommand( editor, defaultTableProperties.alignment ) );\n\n\t\tenableTableToFigureProperty( schema, conversion, {\n\t\t\tmodelAttribute: 'tableWidth',\n\t\t\tstyleName: 'width',\n\t\t\tdefaultValue: defaultTableProperties.width\n\t\t} );\n\t\teditor.commands.add( 'tableWidth', new TableWidthCommand( editor, defaultTableProperties.width ) );\n\n\t\tenableTableToFigureProperty( schema, conversion, {\n\t\t\tmodelAttribute: 'tableHeight',\n\t\t\tstyleName: 'height',\n\t\t\tdefaultValue: defaultTableProperties.height\n\t\t} );\n\t\teditor.commands.add( 'tableHeight', new TableHeightCommand( editor, defaultTableProperties.height ) );\n\n\t\teditor.data.addStyleProcessorRules( addBackgroundRules );\n\t\tenableProperty( schema, conversion, {\n\t\t\tmodelAttribute: 'tableBackgroundColor',\n\t\t\tstyleName: 'background-color',\n\t\t\tdefaultValue: defaultTableProperties.backgroundColor\n\t\t} );\n\t\teditor.commands.add(\n\t\t\t'tableBackgroundColor',\n\t\t\tnew TableBackgroundColorCommand( editor, defaultTableProperties.backgroundColor )\n\t\t);\n\t}\n}\n\n// Enables `tableBorderStyle'`, `tableBorderColor'` and `tableBorderWidth'` attributes for table.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {Object} defaultBorder The default border values.\n// @param {String} defaultBorder.color The default `tableBorderColor` value.\n// @param {String} defaultBorder.style The default `tableBorderStyle` value.\n// @param {String} defaultBorder.width The default `tableBorderWidth` value.\nfunction enableBorderProperties( schema, conversion, defaultBorder ) {\n\tconst modelAttributes = {\n\t\twidth: 'tableBorderWidth',\n\t\tcolor: 'tableBorderColor',\n\t\tstyle: 'tableBorderStyle'\n\t};\n\n\tschema.extend( 'table', {\n\t\tallowAttributes: Object.values( modelAttributes )\n\t} );\n\n\tupcastBorderStyles( conversion, 'table', modelAttributes, defaultBorder );\n\n\tdowncastTableAttribute( conversion, { modelAttribute: modelAttributes.color, styleName: 'border-color' } );\n\tdowncastTableAttribute( conversion, { modelAttribute: modelAttributes.style, styleName: 'border-style' } );\n\tdowncastTableAttribute( conversion, { modelAttribute: modelAttributes.width, styleName: 'border-width' } );\n}\n\n// Enables the `'alignment'` attribute for table.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {String} defaultValue The default alignment value.\nfunction enableAlignmentProperty( schema, conversion, defaultValue ) {\n\tschema.extend( 'table', {\n\t\tallowAttributes: [ 'tableAlignment' ]\n\t} );\n\n\tconversion.for( 'downcast' )\n\t\t.attributeToAttribute( {\n\t\t\tmodel: {\n\t\t\t\tname: 'table',\n\t\t\t\tkey: 'tableAlignment'\n\t\t\t},\n\t\t\tview: alignment => ( {\n\t\t\t\tkey: 'style',\n\t\t\t\tvalue: {\n\t\t\t\t\t// Model: `alignment:center` => CSS: `float:none`.\n\t\t\t\t\tfloat: alignment === 'center' ? 'none' : alignment\n\t\t\t\t}\n\t\t\t} ),\n\t\t\tconverterPriority: 'high'\n\t\t} );\n\n\tconversion.for( 'upcast' )\n\t\t// Support for the `float:*;` CSS definition for the table alignment.\n\t\t.attributeToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: /^(table|figure)$/,\n\t\t\t\tstyles: {\n\t\t\t\t\tfloat: FLOAT_VALUES_REG_EXP\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'tableAlignment',\n\t\t\t\tvalue: viewElement => {\n\t\t\t\t\tlet align = viewElement.getStyle( 'float' );\n\n\t\t\t\t\t// CSS: `float:none` => Model: `alignment:center`.\n\t\t\t\t\tif ( align === 'none' ) {\n\t\t\t\t\t\talign = 'center';\n\t\t\t\t\t}\n\n\t\t\t\t\treturn align === defaultValue ? null : align;\n\t\t\t\t}\n\t\t\t}\n\t\t} )\n\t\t// Support for the `align` attribute as the backward compatibility while pasting from other sources.\n\t\t.attributeToAttribute( {\n\t\t\tview: {\n\t\t\t\tattributes: {\n\t\t\t\t\talign: ALIGN_VALUES_REG_EXP\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tname: 'table',\n\t\t\t\tkey: 'tableAlignment',\n\t\t\t\tvalue: viewElement => {\n\t\t\t\t\tconst align = viewElement.getAttribute( 'align' );\n\n\t\t\t\t\treturn align === defaultValue ? null : align;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n}\n\n// Enables conversion for an attribute for simple view-model mappings.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {Object} options\n// @param {String} options.modelAttribute\n// @param {String} options.styleName\n// @param {String} options.defaultValue The default value for the specified `modelAttribute`.\nfunction enableProperty( schema, conversion, options ) {\n\tconst { modelAttribute } = options;\n\n\tschema.extend( 'table', {\n\t\tallowAttributes: [ modelAttribute ]\n\t} );\n\tupcastStyleToAttribute( conversion, { viewElement: 'table', ...options } );\n\tdowncastTableAttribute( conversion, options );\n}\n\n// Enables conversion for an attribute for simple view (figure) to model (table) mappings.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {Object} options\n// @param {String} options.modelAttribute\n// @param {String} options.styleName\nfunction enableTableToFigureProperty( schema, conversion, options ) {\n\tconst { modelAttribute } = options;\n\n\tschema.extend( 'table', {\n\t\tallowAttributes: [ modelAttribute ]\n\t} );\n\tupcastStyleToAttribute( conversion, { viewElement: /^(table|figure)$/, ...options } );\n\tdowncastAttributeToStyle( conversion, { modelElement: 'table', ...options } );\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./colorinput.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./colorinput.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/ui/colorinputview\n */\n\nimport { View, InputTextView, ButtonView, createDropdown, ColorGridView } from 'ckeditor5/src/ui';\nimport { icons } from 'ckeditor5/src/core';\n\nimport '../../theme/colorinput.css';\n\n/**\n * The color input view class. It allows the user to type in a color (hex, rgb, etc.)\n * or choose it from the configurable color palette with a preview.\n *\n * @private\n * @extends module:ui/view~View\n */\nexport default class ColorInputView extends View {\n\t/**\n\t * Creates an instance of the color input view.\n\t *\n\t * @param {module:utils/locale~Locale} locale The locale instance.\n\t * @param {Object} options The input options.\n\t * @param {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>} options.colorDefinitions The colors to be displayed\n\t * in the palette inside the input's dropdown.\n\t * @param {Number} options.columns The number of columns in which the colors will be displayed.\n\t * @param {String} [options.defaultColorValue] If specified, the color input view will replace the \"Remove color\" button with\n\t * the \"Restore default\" button. Instead of clearing the input field, the default color value will be set.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * The value of the input.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #value\n\t\t * @default ''\n\t\t */\n\t\tthis.set( 'value', '' );\n\n\t\t/**\n\t\t * The `id` attribute of the input (i.e. to pair with the `<label>` element).\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #id\n\t\t */\n\t\tthis.set( 'id' );\n\n\t\t/**\n\t\t * Controls whether the input view is in read-only mode.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #isReadOnly\n\t\t * @default false\n\t\t */\n\t\tthis.set( 'isReadOnly', false );\n\n\t\t/**\n\t\t * Set to `true` when the field has some error. Usually controlled via\n\t\t * {@link module:ui/labeledinput/labeledinputview~LabeledInputView#errorText}.\n\t\t *\n\t\t * @observable\n\t\t * @member {Boolean} #hasError\n\t\t * @default false\n\t\t */\n\t\tthis.set( 'hasError', false );\n\n\t\t/**\n\t\t * An observable flag set to `true` when the input is focused by the user.\n\t\t * `false` otherwise.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isFocused\n\t\t * @default false\n\t\t */\n\t\tthis.set( 'isFocused', false );\n\n\t\t/**\n\t\t * An observable flag set to `true` when the input contains no text.\n\t\t *\n\t\t * @readonly\n\t\t * @observable\n\t\t * @member {Boolean} #isEmpty\n\t\t * @default true\n\t\t */\n\t\tthis.set( 'isEmpty', true );\n\n\t\t/**\n\t\t * The `id` of the element describing this field. When the field has\n\t\t * some error, it helps screen readers read the error text.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #ariaDescribedById\n\t\t */\n\t\tthis.set( 'ariaDescribedById' );\n\n\t\t/**\n\t\t * A cached reference to the options passed to the constructor.\n\t\t *\n\t\t * @member {Object}\n\t\t */\n\t\tthis.options = options;\n\n\t\t/**\n\t\t * An instance of the dropdown allowing to select a color from a grid.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:ui/dropdown/dropdown~DropdownView}\n\t\t */\n\t\tthis._dropdownView = this._createDropdownView();\n\n\t\t/**\n\t\t * An instance of the input allowing the user to type a color value.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis._inputView = this._createInputTextView();\n\n\t\t/**\n\t\t * The flag that indicates whether the user is still typing.\n\t\t * If set to true, it means that the text input field ({@link #_inputView}) still has the focus.\n\t\t * So, we should interrupt the user by replacing the input's value.\n\t\t *\n\t\t * @protected\n\t\t * @member {Boolean}\n\t\t */\n\t\tthis._stillTyping = false;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-input-color',\n\t\t\t\t\tbind.if( 'hasError', 'ck-error' )\n\t\t\t\t],\n\t\t\t\tid: bind.to( 'id' ),\n\t\t\t\t'aria-invalid': bind.if( 'hasError', true ),\n\t\t\t\t'aria-describedby': bind.to( 'ariaDescribedById' )\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\tthis._dropdownView,\n\t\t\t\tthis._inputView\n\t\t\t]\n\t\t} );\n\n\t\tthis.on( 'change:value', ( evt, name, inputValue ) => this._setInputValue( inputValue ) );\n\t}\n\n\t/**\n\t * Focuses the input.\n\t */\n\tfocus() {\n\t\tthis._inputView.focus();\n\t}\n\n\t/**\n\t * Creates and configures the {@link #_dropdownView}.\n\t *\n\t * @private\n\t */\n\t_createDropdownView() {\n\t\tconst locale = this.locale;\n\t\tconst t = locale.t;\n\t\tconst bind = this.bindTemplate;\n\t\tconst colorGrid = this._createColorGrid( locale );\n\t\tconst dropdown = createDropdown( locale );\n\t\tconst colorPreview = new View();\n\t\tconst removeColorButton = this._createRemoveColorButton();\n\n\t\tcolorPreview.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-input-color__button__preview'\n\t\t\t\t],\n\t\t\t\tstyle: {\n\t\t\t\t\tbackgroundColor: bind.to( 'value' )\n\t\t\t\t}\n\t\t\t},\n\t\t\tchildren: [ {\n\t\t\t\ttag: 'span',\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: [\n\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t'ck-input-color__button__preview__no-color-indicator',\n\t\t\t\t\t\tbind.if( 'value', 'ck-hidden', value => value != '' )\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t} ]\n\t\t} );\n\n\t\tdropdown.buttonView.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: 'ck-input-color__button'\n\t\t\t}\n\t\t} );\n\n\t\tdropdown.buttonView.children.add( colorPreview );\n\t\tdropdown.buttonView.tooltip = t( 'Color picker' );\n\n\t\tdropdown.panelPosition = locale.uiLanguageDirection === 'rtl' ? 'se' : 'sw';\n\t\tdropdown.panelView.children.add( removeColorButton );\n\t\tdropdown.panelView.children.add( colorGrid );\n\t\tdropdown.bind( 'isEnabled' ).to( this, 'isReadOnly', value => !value );\n\n\t\treturn dropdown;\n\t}\n\n\t/**\n\t * Creates and configures an instance of {@link module:ui/inputtext/inputtextview~InputTextView}.\n\t *\n\t * @private\n\t * @returns {module:ui/inputtext/inputtextview~InputTextView} A configured instance to be set as {@link #_inputView}.\n\t */\n\t_createInputTextView() {\n\t\tconst locale = this.locale;\n\t\tconst inputView = new InputTextView( locale );\n\n\t\tinputView.extendTemplate( {\n\t\t\ton: {\n\t\t\t\tblur: inputView.bindTemplate.to( 'blur' )\n\t\t\t}\n\t\t} );\n\n\t\tinputView.value = this.value;\n\t\tinputView.bind( 'isReadOnly', 'hasError' ).to( this );\n\t\tthis.bind( 'isFocused', 'isEmpty' ).to( inputView );\n\n\t\tinputView.on( 'input', () => {\n\t\t\tconst inputValue = inputView.element.value;\n\t\t\t// Check if the value matches one of our defined colors' label.\n\t\t\tconst mappedColor = this.options.colorDefinitions.find( def => inputValue === def.label );\n\n\t\t\tthis._stillTyping = true;\n\t\t\tthis.value = mappedColor && mappedColor.color || inputValue;\n\t\t} );\n\n\t\tinputView.on( 'blur', () => {\n\t\t\tthis._stillTyping = false;\n\t\t\tthis._setInputValue( inputView.element.value );\n\t\t} );\n\n\t\tinputView.delegate( 'input' ).to( this );\n\n\t\treturn inputView;\n\t}\n\n\t/**\n\t * Creates and configures the button that clears the color.\n\t *\n\t * @private\n\t */\n\t_createRemoveColorButton() {\n\t\tconst locale = this.locale;\n\t\tconst t = locale.t;\n\t\tconst removeColorButton = new ButtonView( locale );\n\t\tconst defaultColor = this.options.defaultColorValue || '';\n\t\tconst removeColorButtonLabel = defaultColor ? t( 'Restore default' ) : t( 'Remove color' );\n\n\t\tremoveColorButton.class = 'ck-input-color__remove-color';\n\t\tremoveColorButton.withText = true;\n\t\tremoveColorButton.icon = icons.eraser;\n\t\tremoveColorButton.label = removeColorButtonLabel;\n\t\tremoveColorButton.on( 'execute', () => {\n\t\t\tthis.value = defaultColor;\n\t\t\tthis._dropdownView.isOpen = false;\n\t\t\tthis.fire( 'input' );\n\t\t} );\n\n\t\treturn removeColorButton;\n\t}\n\n\t/**\n\t * Creates and configures the color grid inside the {@link #_dropdownView}.\n\t *\n\t * @private\n\t */\n\t_createColorGrid( locale ) {\n\t\tconst colorGrid = new ColorGridView( locale, {\n\t\t\tcolorDefinitions: this.options.colorDefinitions,\n\t\t\tcolumns: this.options.columns\n\t\t} );\n\n\t\tcolorGrid.on( 'execute', ( evtData, data ) => {\n\t\t\tthis.value = data.value;\n\t\t\tthis._dropdownView.isOpen = false;\n\t\t\tthis.fire( 'input' );\n\t\t} );\n\t\tcolorGrid.bind( 'selectedColor' ).to( this, 'value' );\n\n\t\treturn colorGrid;\n\t}\n\n\t/**\n\t * Sets {@link #_inputView}'s value property to the color value or color label,\n\t * if there is one and the user is not typing.\n\t *\n\t * Handles cases like:\n\t *\n\t * * Someone picks the color in the grid.\n\t * * The color is set from the plugin level.\n\t *\n\t * @private\n\t * @param {String} inputValue Color value to be set.\n\t */\n\t_setInputValue( inputValue ) {\n\t\tif ( !this._stillTyping ) {\n\t\t\tconst normalizedInputValue = normalizeColor( inputValue );\n\t\t\t// Check if the value matches one of our defined colors.\n\t\t\tconst mappedColor = this.options.colorDefinitions.find( def => normalizedInputValue === normalizeColor( def.color ) );\n\n\t\t\tif ( mappedColor ) {\n\t\t\t\tthis._inputView.value = mappedColor.label;\n\t\t\t} else {\n\t\t\t\tthis._inputView.value = inputValue || '';\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Normalizes color value, by stripping extensive whitespace.\n// For example., transforms:\n// * `   rgb(  25 50    0 )` to `rgb(25 50 0)`,\n// * \"\\t  rgb(  25 ,  50,0 )\t\t\" to `rgb(25 50 0)`.\n//\n// @param {String} colorString The value to be normalized.\n// @returns {String}\nfunction normalizeColor( colorString ) {\n\treturn colorString\n\t\t// Remove any whitespace right after `(` or `,`.\n\t\t.replace( /([(,])\\s+/g, '$1' )\n\t\t// Remove any whitespace at the beginning or right before the end, `)`, `,`, or another whitespace.\n\t\t.replace( /^\\s+|\\s+(?=[),\\s]|$)/g, '' )\n\t\t// Then, replace `,` or whitespace with a single space.\n\t\t.replace( /,|\\s/g, ' ' );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/ui/table-properties\n */\n\nimport { ButtonView, Model } from 'ckeditor5/src/ui';\nimport { Collection } from 'ckeditor5/src/utils';\nimport { isColor, isLength, isPercentage } from 'ckeditor5/src/engine';\n\nimport ColorInputView from '../../ui/colorinputview';\n\nconst isEmpty = val => val === '';\n\n/**\n * Returns an object containing pairs of CSS border style values and their localized UI\n * labels. Used by {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView}\n * and {@link module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView}.\n *\n * @param {module:utils/locale~Locale#t} t The \"t\" function provided by the editor\n * that is used to localize strings.\n * @returns {Object.<String,String>}\n */\nexport function getBorderStyleLabels( t ) {\n\treturn {\n\t\tnone: t( 'None' ),\n\t\tsolid: t( 'Solid' ),\n\t\tdotted: t( 'Dotted' ),\n\t\tdashed: t( 'Dashed' ),\n\t\tdouble: t( 'Double' ),\n\t\tgroove: t( 'Groove' ),\n\t\tridge: t( 'Ridge' ),\n\t\tinset: t( 'Inset' ),\n\t\toutset: t( 'Outset' )\n\t};\n}\n\n/**\n * Returns a localized error string that can be displayed next to color (background, border)\n * fields that have an invalid value.\n *\n * @param {module:utils/locale~Locale#t} t The \"t\" function provided by the editor\n * that is used to localize strings.\n * @returns {String}\n */\nexport function getLocalizedColorErrorText( t ) {\n\treturn t( 'The color is invalid. Try \"#FF0000\" or \"rgb(255,0,0)\" or \"red\".' );\n}\n\n/**\n * Returns a localized error string that can be displayed next to length (padding, border width)\n * fields that have an invalid value.\n *\n * @param {module:utils/locale~Locale#t} t The \"t\" function provided by the editor\n * that is used to localize strings.\n * @returns {String}\n */\nexport function getLocalizedLengthErrorText( t ) {\n\treturn t( 'The value is invalid. Try \"10px\" or \"2em\" or simply \"2\".' );\n}\n\n/**\n * Returns `true` when the passed value is an empty string or a valid CSS color expression.\n * Otherwise, `false` is returned.\n *\n * See {@link module:engine/view/styles/utils~isColor}.\n *\n * @param {String} value\n * @returns {Boolean}\n */\nexport function colorFieldValidator( value ) {\n\tvalue = value.trim();\n\n\treturn isEmpty( value ) || isColor( value );\n}\n\n/**\n * Returns `true` when the passed value is an empty string, a number without a unit or a valid CSS length expression.\n * Otherwise, `false` is returned.\n *\n * See {@link module:engine/view/styles/utils~isLength}.\n * See {@link module:engine/view/styles/utils~isPercentage}.\n *\n * @param {String} value\n * @returns {Boolean}\n */\nexport function lengthFieldValidator( value ) {\n\tvalue = value.trim();\n\n\treturn isEmpty( value ) || isNumberString( value ) || isLength( value ) || isPercentage( value );\n}\n\n/**\n * Returns `true` when the passed value is an empty string, a number without a unit or a valid CSS length expression.\n * Otherwise, `false` is returned.\n *\n * See {@link module:engine/view/styles/utils~isLength}.\n *\n * @param {String} value\n * @returns {Boolean}\n */\nexport function lineWidthFieldValidator( value ) {\n\tvalue = value.trim();\n\n\treturn isEmpty( value ) || isNumberString( value ) || isLength( value );\n}\n\n/**\n * Generates item definitions for a UI dropdown that allows changing the border style of a table or a table cell.\n *\n * @param {module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView|\n * module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView} view\n * @param {String} defaultStyle The default border.\n * @returns {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>}\n */\nexport function getBorderStyleDefinitions( view, defaultStyle ) {\n\tconst itemDefinitions = new Collection();\n\tconst styleLabels = getBorderStyleLabels( view.t );\n\n\tfor ( const style in styleLabels ) {\n\t\tconst definition = {\n\t\t\ttype: 'button',\n\t\t\tmodel: new Model( {\n\t\t\t\t_borderStyleValue: style,\n\t\t\t\tlabel: styleLabels[ style ],\n\t\t\t\twithText: true\n\t\t\t} )\n\t\t};\n\n\t\tif ( style === 'none' ) {\n\t\t\tdefinition.model.bind( 'isOn' ).to( view, 'borderStyle', value => {\n\t\t\t\tif ( defaultStyle === 'none' ) {\n\t\t\t\t\treturn !value;\n\t\t\t\t}\n\n\t\t\t\treturn value === style;\n\t\t\t} );\n\t\t} else {\n\t\t\tdefinition.model.bind( 'isOn' ).to( view, 'borderStyle', value => {\n\t\t\t\treturn value === style;\n\t\t\t} );\n\t\t}\n\n\t\titemDefinitions.add( definition );\n\t}\n\n\treturn itemDefinitions;\n}\n\n/**\n * A helper that fills a toolbar with buttons that:\n *\n * * have some labels,\n * * have some icons,\n * * set a certain UI view property value upon execution.\n *\n * @param {Object} options\n * @param {module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView|\n * module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView} options.view\n * @param {Array.<String>} options.icons\n * @param {module:ui/toolbar/toolbarview~ToolbarView} options.toolbar\n * @param {Object.<String,String>} labels\n * @param {String} propertyName\n * @param {Function} nameToValue A function that maps a button name to a value. By default names are the same as values.\n */\nexport function fillToolbar( options ) {\n\tconst { view, icons, toolbar, labels, propertyName, nameToValue, defaultValue } = options;\n\tfor ( const name in labels ) {\n\t\tconst button = new ButtonView( view.locale );\n\n\t\tbutton.set( {\n\t\t\tlabel: labels[ name ],\n\t\t\ticon: icons[ name ],\n\t\t\ttooltip: labels[ name ]\n\t\t} );\n\n\t\t// If specified the `nameToValue()` callback, map the value based on the option's name.\n\t\tconst buttonValue = nameToValue ? nameToValue( name ) : name;\n\n\t\tbutton.bind( 'isOn' ).to( view, propertyName, value => {\n\t\t\t// `value` comes from `view[ propertyName ]`.\n\t\t\tlet valueToCompare = value;\n\n\t\t\t// If it's empty, and the `defaultValue` is specified, use it instead.\n\t\t\tif ( value === '' && defaultValue ) {\n\t\t\t\tvalueToCompare = defaultValue;\n\t\t\t}\n\n\t\t\treturn buttonValue === valueToCompare;\n\t\t} );\n\n\t\tbutton.on( 'execute', () => {\n\t\t\tview[ propertyName ] = buttonValue;\n\t\t} );\n\n\t\ttoolbar.items.add( button );\n\t}\n}\n\n/**\n * A default color palette used by various user interfaces related to tables, for instance,\n * by {@link module:table/tablecellproperties/tablecellpropertiesui~TableCellPropertiesUI} or\n * {@link module:table/tableproperties/tablepropertiesui~TablePropertiesUI}.\n *\n * The color palette follows the {@link module:table/table~TableColorConfig table color configuration format}\n * and contains the following color definitions:\n *\n *\t\tconst defaultColors = [\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 0%)',\n *\t\t\t\tlabel: 'Black'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 30%)',\n *\t\t\t\tlabel: 'Dim grey'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 60%)',\n *\t\t\t\tlabel: 'Grey'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\tlabel: 'Light grey'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 100%)',\n *\t\t\t\tlabel: 'White',\n *\t\t\t\thasBorder: true\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 75%, 60%)',\n *\t\t\t\tlabel: 'Red'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(30, 75%, 60%)',\n *\t\t\t\tlabel: 'Orange'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(60, 75%, 60%)',\n *\t\t\t\tlabel: 'Yellow'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(90, 75%, 60%)',\n *\t\t\t\tlabel: 'Light green'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n *\t\t\t\tlabel: 'Green'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(150, 75%, 60%)',\n *\t\t\t\tlabel: 'Aquamarine'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(180, 75%, 60%)',\n *\t\t\t\tlabel: 'Turquoise'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(210, 75%, 60%)',\n *\t\t\t\tlabel: 'Light blue'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(240, 75%, 60%)',\n *\t\t\t\tlabel: 'Blue'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(270, 75%, 60%)',\n *\t\t\t\tlabel: 'Purple'\n *\t\t\t}\n *\t\t];\n */\nexport const defaultColors = [\n\t{\n\t\tcolor: 'hsl(0, 0%, 0%)',\n\t\tlabel: 'Black'\n\t},\n\t{\n\t\tcolor: 'hsl(0, 0%, 30%)',\n\t\tlabel: 'Dim grey'\n\t},\n\t{\n\t\tcolor: 'hsl(0, 0%, 60%)',\n\t\tlabel: 'Grey'\n\t},\n\t{\n\t\tcolor: 'hsl(0, 0%, 90%)',\n\t\tlabel: 'Light grey'\n\t},\n\t{\n\t\tcolor: 'hsl(0, 0%, 100%)',\n\t\tlabel: 'White',\n\t\thasBorder: true\n\t},\n\t{\n\t\tcolor: 'hsl(0, 75%, 60%)',\n\t\tlabel: 'Red'\n\t},\n\t{\n\t\tcolor: 'hsl(30, 75%, 60%)',\n\t\tlabel: 'Orange'\n\t},\n\t{\n\t\tcolor: 'hsl(60, 75%, 60%)',\n\t\tlabel: 'Yellow'\n\t},\n\t{\n\t\tcolor: 'hsl(90, 75%, 60%)',\n\t\tlabel: 'Light green'\n\t},\n\t{\n\t\tcolor: 'hsl(120, 75%, 60%)',\n\t\tlabel: 'Green'\n\t},\n\t{\n\t\tcolor: 'hsl(150, 75%, 60%)',\n\t\tlabel: 'Aquamarine'\n\t},\n\t{\n\t\tcolor: 'hsl(180, 75%, 60%)',\n\t\tlabel: 'Turquoise'\n\t},\n\t{\n\t\tcolor: 'hsl(210, 75%, 60%)',\n\t\tlabel: 'Light blue'\n\t},\n\t{\n\t\tcolor: 'hsl(240, 75%, 60%)',\n\t\tlabel: 'Blue'\n\t},\n\t{\n\t\tcolor: 'hsl(270, 75%, 60%)',\n\t\tlabel: 'Purple'\n\t}\n];\n\n/**\n * Returns a creator for a color input with a label.\n *\n * For given options, it returns a function that creates an instance of a\n * {@link module:table/ui/colorinputview~ColorInputView color input} logically related to\n * a {@link module:ui/labeledfield/labeledfieldview~LabeledFieldView labeled view} in the DOM.\n *\n * The helper does the following:\n *\n * * It sets the color input `id` and `ariaDescribedById` attributes.\n * * It binds the color input `isReadOnly` to the labeled view.\n * * It binds the color input `hasError` to the labeled view.\n * * It enables a logic that cleans up the error when the user starts typing in the color input.\n *\n * Usage:\n *\n *\t\tconst colorInputCreator = getLabeledColorInputCreator( {\n *\t\t\tcolorConfig: [ ... ],\n *\t\t\tcolumns: 3,\n *\t\t} );\n *\n *\t\tconst labeledInputView = new LabeledFieldView( locale, colorInputCreator );\n *\t\tconsole.log( labeledInputView.view ); // A color input instance.\n *\n * @private\n * @param options Color input options.\n * @param {module:table/table~TableColorConfig} options.colorConfig The configuration of the color palette\n * displayed in the input's dropdown.\n * @param {Number} options.columns The configuration of the number of columns the color palette consists of\n * in the input's dropdown.\n * @param {String} [options.defaultColorValue] If specified, the color input view will replace the \"Remove color\" button with\n * the \"Restore default\" button. Instead of clearing the input field, the default color value will be set.\n * @returns {Function}\n */\nexport function getLabeledColorInputCreator( options ) {\n\treturn ( labeledFieldView, viewUid, statusUid ) => {\n\t\tconst inputView = new ColorInputView( labeledFieldView.locale, {\n\t\t\tcolorDefinitions: colorConfigToColorGridDefinitions( options.colorConfig ),\n\t\t\tcolumns: options.columns,\n\t\t\tdefaultColorValue: options.defaultColorValue\n\t\t} );\n\n\t\tinputView.set( {\n\t\t\tid: viewUid,\n\t\t\tariaDescribedById: statusUid\n\t\t} );\n\n\t\tinputView.bind( 'isReadOnly' ).to( labeledFieldView, 'isEnabled', value => !value );\n\t\tinputView.bind( 'hasError' ).to( labeledFieldView, 'errorText', value => !!value );\n\n\t\tinputView.on( 'input', () => {\n\t\t\t// UX: Make the error text disappear and disable the error indicator as the user\n\t\t\t// starts fixing the errors.\n\t\t\tlabeledFieldView.errorText = null;\n\t\t} );\n\n\t\tlabeledFieldView.bind( 'isEmpty', 'isFocused' ).to( inputView );\n\n\t\treturn inputView;\n\t};\n}\n\n// A simple helper method to detect number strings.\n// I allows full number notation, so omitting 0 is not allowed:\nfunction isNumberString( value ) {\n\tconst parsedValue = parseFloat( value );\n\n\treturn !Number.isNaN( parsedValue ) && value === String( parsedValue );\n}\n\n// @param {Array.<Object>} colorConfig\n// @returns {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>}\nfunction colorConfigToColorGridDefinitions( colorConfig ) {\n\treturn colorConfig.map( item => ( {\n\t\tcolor: item.model,\n\t\tlabel: item.label,\n\t\toptions: {\n\t\t\thasBorder: item.hasBorder\n\t\t}\n\t} ) );\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./formrow.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./formrow.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/ui/formrowview\n */\n\nimport { View } from 'ckeditor5/src/ui';\n\nimport '../../theme/formrow.css';\n\n/**\n * The class representing a single row in a complex form,\n * used by {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView}.\n *\n * **Note**: For now this class is private. When more use cases arrive (beyond ckeditor5-table),\n * it will become a component in ckeditor5-ui.\n *\n * @private\n * @extends module:ui/view~View\n */\nexport default class FormRowView extends View {\n\t/**\n\t * Creates an instance of the form row class.\n\t *\n\t * @param {module:utils/locale~Locale} locale The locale instance.\n\t * @param {Object} options\n\t * @param {Array.<module:ui/view~View>} options.children\n\t * @param {String} [options.class]\n\t * @param {module:ui/view~View} [options.labelView] When passed, the row gets the `group` and `aria-labelledby`\n\t * DOM attributes and gets described by the label.\n\t */\n\tconstructor( locale, options = {} ) {\n\t\tsuper( locale );\n\n\t\tconst bind = this.bindTemplate;\n\n\t\t/**\n\t\t * An additional CSS class added to the {@link #element}.\n\t\t *\n\t\t * @observable\n\t\t * @member {String} #class\n\t\t */\n\t\tthis.set( 'class', options.class || null );\n\n\t\t/**\n\t\t * A collection of row items (buttons, dropdowns, etc.).\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\tif ( options.children ) {\n\t\t\toptions.children.forEach( child => this.children.add( child ) );\n\t\t}\n\n\t\t/**\n\t\t * The role property reflected by the `role` DOM attribute of the {@link #element}.\n\t\t *\n\t\t * **Note**: Used only when a `labelView` is passed to constructor `options`.\n\t\t *\n\t\t * @private\n\t\t * @observable\n\t\t * @member {String} #role\n\t\t */\n\t\tthis.set( '_role', null );\n\n\t\t/**\n\t\t * The ARIA property reflected by the `aria-labelledby` DOM attribute of the {@link #element}.\n\t\t *\n\t\t * **Note**: Used only when a `labelView` is passed to constructor `options`.\n\t\t *\n\t\t * @private\n\t\t * @observable\n\t\t * @member {String} #ariaLabelledBy\n\t\t */\n\t\tthis.set( '_ariaLabelledBy', null );\n\n\t\tif ( options.labelView ) {\n\t\t\tthis.set( {\n\t\t\t\t_role: 'group',\n\t\t\t\t_ariaLabelledBy: options.labelView.id\n\t\t\t} );\n\t\t}\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form__row',\n\t\t\t\t\tbind.to( 'class' )\n\t\t\t\t],\n\t\t\t\trole: bind.to( '_role' ),\n\t\t\t\t'aria-labelledby': bind.to( '_ariaLabelledBy' )\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./form.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./form.css\";\n       export default content && content.locals ? content.locals : undefined;\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tableform.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tableform.css\";\n       export default content && content.locals ? content.locals : undefined;\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tableproperties.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tableproperties.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/ui/tablepropertiesview\n */\n\nimport {\n\tButtonView,\n\tFocusCycler,\n\tFormHeaderView,\n\tLabelView,\n\tLabeledFieldView,\n\tToolbarView,\n\tView,\n\tViewCollection,\n\taddListToDropdown,\n\tcreateLabeledDropdown,\n\tcreateLabeledInputText,\n\tsubmitHandler\n} from 'ckeditor5/src/ui';\nimport { FocusTracker, KeystrokeHandler } from 'ckeditor5/src/utils';\nimport { icons } from 'ckeditor5/src/core';\n\nimport {\n\tfillToolbar,\n\tgetBorderStyleDefinitions,\n\tgetBorderStyleLabels,\n\tgetLabeledColorInputCreator\n} from '../../utils/ui/table-properties';\nimport FormRowView from '../../ui/formrowview';\n\nimport '../../../theme/form.css';\nimport '../../../theme/tableform.css';\nimport '../../../theme/tableproperties.css';\n\nconst ALIGNMENT_ICONS = {\n\tleft: icons.objectLeft,\n\tcenter: icons.objectCenter,\n\tright: icons.objectRight\n};\n\n/**\n * The class representing a table properties form, allowing users to customize\n * certain style aspects of a table, for instance, border, background color, alignment, etc..\n *\n * @extends module:ui/view~View\n */\nexport default class TablePropertiesView extends View {\n\t/**\n\t * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n\t * @param {Object} options Additional configuration of the view.\n\t * @param {module:table/table~TableColorConfig} options.borderColors A configuration of the border\n\t * color palette used by the\n\t * {@link module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView#borderColorInput}.\n\t * @param {module:table/table~TableColorConfig} options.backgroundColors A configuration of the background\n\t * color palette used by the\n\t * {@link module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView#backgroundInput}.\n\t * @param {module:table/tableproperties~TablePropertiesOptions} options.defaultTableProperties The default table properties.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tthis.set( {\n\t\t\t/**\n\t\t\t * The value of the border style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderStyle\n\t\t\t */\n\t\t\tborderStyle: '',\n\n\t\t\t/**\n\t\t\t * The value of the border width style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderWidth\n\t\t\t */\n\t\t\tborderWidth: '',\n\n\t\t\t/**\n\t\t\t * The value of the border color style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderColor\n\t\t\t */\n\t\t\tborderColor: '',\n\n\t\t\t/**\n\t\t\t * The value of the background color style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #backgroundColor\n\t\t\t */\n\t\t\tbackgroundColor: '',\n\n\t\t\t/**\n\t\t\t * The value of the table width style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #width\n\t\t\t */\n\t\t\twidth: '',\n\n\t\t\t/**\n\t\t\t * The value of the table height style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #height\n\t\t\t */\n\t\t\theight: '',\n\n\t\t\t/**\n\t\t\t * The value of the table alignment style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #alignment\n\t\t\t */\n\t\t\talignment: ''\n\t\t} );\n\n\t\t/**\n\t\t * Options passed to the view. See {@link #constructor} to learn more.\n\t\t *\n\t\t * @protected\n\t\t * @member {Object}\n\t\t */\n\t\tthis.options = options;\n\n\t\tconst { borderStyleDropdown, borderWidthInput, borderColorInput, borderRowLabel } = this._createBorderFields();\n\t\tconst { backgroundRowLabel, backgroundInput } = this._createBackgroundFields();\n\t\tconst { widthInput, operatorLabel, heightInput, dimensionsLabel } = this._createDimensionFields();\n\t\tconst { alignmentToolbar, alignmentLabel } = this._createAlignmentFields();\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * A collection of child views in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\t/**\n\t\t * A dropdown that allows selecting the style of the table border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/dropdown/dropdownview~DropdownView}\n\t\t */\n\t\tthis.borderStyleDropdown = borderStyleDropdown;\n\n\t\t/**\n\t\t * An input that allows specifying the width of the table border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.borderWidthInput = borderWidthInput;\n\n\t\t/**\n\t\t * An input that allows specifying the color of the table border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:table/ui/colorinputview~ColorInputView}\n\t\t */\n\t\tthis.borderColorInput = borderColorInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table background color.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:table/ui/colorinputview~ColorInputView}\n\t\t */\n\t\tthis.backgroundInput = backgroundInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table width.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.widthInput = widthInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table height.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.heightInput = heightInput;\n\n\t\t/**\n\t\t * A toolbar with buttons that allow changing the alignment of an entire table.\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbar~ToolbarView}\n\t\t */\n\t\tthis.alignmentToolbar = alignmentToolbar;\n\n\t\t// Defer creating to make sure other fields are present and the Save button can\n\t\t// bind its #isEnabled to their error messages so there's no way to save unless all\n\t\t// fields are valid.\n\t\tconst { saveButtonView, cancelButtonView } = this._createActionButtons();\n\n\t\t/**\n\t\t * The \"Save\" button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.saveButtonView = saveButtonView;\n\n\t\t/**\n\t\t * The \"Cancel\" button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.cancelButtonView = cancelButtonView;\n\n\t\t/**\n\t\t * A collection of views that can be focused in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate form fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate form fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\t// Form header.\n\t\tthis.children.add( new FormHeaderView( locale, {\n\t\t\tlabel: this.t( 'Table properties' )\n\t\t} ) );\n\n\t\t// Border row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: borderRowLabel,\n\t\t\tchildren: [\n\t\t\t\tborderRowLabel,\n\t\t\t\tborderStyleDropdown,\n\t\t\t\tborderColorInput,\n\t\t\t\tborderWidthInput\n\t\t\t],\n\t\t\tclass: 'ck-table-form__border-row'\n\t\t} ) );\n\n\t\t// Background row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: backgroundRowLabel,\n\t\t\tchildren: [\n\t\t\t\tbackgroundRowLabel,\n\t\t\t\tbackgroundInput\n\t\t\t],\n\t\t\tclass: 'ck-table-form__background-row'\n\t\t} ) );\n\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tchildren: [\n\t\t\t\t// Dimensions row.\n\t\t\t\tnew FormRowView( locale, {\n\t\t\t\t\tlabelView: dimensionsLabel,\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tdimensionsLabel,\n\t\t\t\t\t\twidthInput,\n\t\t\t\t\t\toperatorLabel,\n\t\t\t\t\t\theightInput\n\t\t\t\t\t],\n\t\t\t\t\tclass: 'ck-table-form__dimensions-row'\n\t\t\t\t} ),\n\t\t\t\t// Alignment row.\n\t\t\t\tnew FormRowView( locale, {\n\t\t\t\t\tlabelView: alignmentLabel,\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\talignmentLabel,\n\t\t\t\t\t\talignmentToolbar\n\t\t\t\t\t],\n\t\t\t\t\tclass: 'ck-table-properties-form__alignment-row'\n\t\t\t\t} )\n\t\t\t]\n\t\t} ) );\n\n\t\t// Action row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tchildren: [\n\t\t\t\tthis.saveButtonView,\n\t\t\t\tthis.cancelButtonView\n\t\t\t],\n\t\t\tclass: 'ck-table-form__action-row'\n\t\t} ) );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'form',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form',\n\t\t\t\t\t'ck-table-form',\n\t\t\t\t\t'ck-table-properties-form'\n\t\t\t\t],\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/90\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Enable the \"submit\" event for this view. It can be triggered by the #saveButtonView\n\t\t// which is of the \"submit\" DOM \"type\".\n\t\tsubmitHandler( {\n\t\t\tview: this\n\t\t} );\n\n\t\t[\n\t\t\tthis.borderStyleDropdown,\n\t\t\tthis.borderColorInput,\n\t\t\tthis.borderWidthInput,\n\t\t\tthis.backgroundInput,\n\t\t\tthis.widthInput,\n\t\t\tthis.heightInput,\n\t\t\tthis.alignmentToolbar,\n\t\t\tthis.saveButtonView,\n\t\t\tthis.cancelButtonView\n\t\t].forEach( view => {\n\t\t\t// Register the view as focusable.\n\t\t\tthis._focusables.add( view );\n\n\t\t\t// Register the view in the focus tracker.\n\t\t\tthis.focusTracker.add( view.element );\n\t\t} );\n\n\t\t// Mainly for closing using \"Esc\" and navigation using \"Tab\".\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\t}\n\n\t/**\n\t * Focuses the fist focusable field in the form.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #borderStyleDropdown},\n\t * * {@link #borderWidthInput},\n\t * * {@link #borderColorInput}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createBorderFields() {\n\t\tconst defaultTableProperties = this.options.defaultTableProperties;\n\t\tconst defaultBorder = {\n\t\t\tstyle: defaultTableProperties.borderStyle,\n\t\t\twidth: defaultTableProperties.borderWidth,\n\t\t\tcolor: defaultTableProperties.borderColor\n\t\t};\n\n\t\tconst colorInputCreator = getLabeledColorInputCreator( {\n\t\t\tcolorConfig: this.options.borderColors,\n\t\t\tcolumns: 5,\n\t\t\tdefaultColorValue: defaultBorder.color\n\t\t} );\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Group label ---------------------------------------------\n\n\t\tconst borderRowLabel = new LabelView( locale );\n\t\tborderRowLabel.text = t( 'Border' );\n\n\t\t// -- Style ---------------------------------------------------\n\n\t\tconst styleLabels = getBorderStyleLabels( this.t );\n\t\tconst borderStyleDropdown = new LabeledFieldView( locale, createLabeledDropdown );\n\t\tborderStyleDropdown.set( {\n\t\t\tlabel: t( 'Style' ),\n\t\t\tclass: 'ck-table-form__border-style'\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.buttonView.set( {\n\t\t\tisOn: false,\n\t\t\twithText: true,\n\t\t\ttooltip: t( 'Style' )\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.buttonView.bind( 'label' ).to( this, 'borderStyle', value => {\n\t\t\treturn styleLabels[ value ? value : 'none' ];\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.on( 'execute', evt => {\n\t\t\tthis.borderStyle = evt.source._borderStyleValue;\n\t\t} );\n\n\t\tborderStyleDropdown.bind( 'isEmpty' ).to( this, 'borderStyle', value => !value );\n\n\t\taddListToDropdown( borderStyleDropdown.fieldView, getBorderStyleDefinitions( this, defaultBorder.style ) );\n\n\t\t// -- Width ---------------------------------------------------\n\n\t\tconst borderWidthInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\tborderWidthInput.set( {\n\t\t\tlabel: t( 'Width' ),\n\t\t\tclass: 'ck-table-form__border-width'\n\t\t} );\n\n\t\tborderWidthInput.fieldView.bind( 'value' ).to( this, 'borderWidth' );\n\t\tborderWidthInput.bind( 'isEnabled' ).to( this, 'borderStyle', isBorderStyleSet );\n\t\tborderWidthInput.fieldView.on( 'input', () => {\n\t\t\tthis.borderWidth = borderWidthInput.fieldView.element.value;\n\t\t} );\n\n\t\t// -- Color ---------------------------------------------------\n\n\t\tconst borderColorInput = new LabeledFieldView( locale, colorInputCreator );\n\n\t\tborderColorInput.set( {\n\t\t\tlabel: t( 'Color' ),\n\t\t\tclass: 'ck-table-form__border-color'\n\t\t} );\n\n\t\tborderColorInput.fieldView.bind( 'value' ).to( this, 'borderColor' );\n\t\tborderColorInput.bind( 'isEnabled' ).to( this, 'borderStyle', isBorderStyleSet );\n\n\t\tborderColorInput.fieldView.on( 'input', () => {\n\t\t\tthis.borderColor = borderColorInput.fieldView.value;\n\t\t} );\n\n\t\t// Reset the border color and width fields depending on the `border-style` value.\n\t\tthis.on( 'change:borderStyle', ( evt, name, newValue, oldValue ) => {\n\t\t\t// When removing the border (`border-style:none`), clear the remaining `border-*` properties.\n\t\t\t// See: https://github.com/ckeditor/ckeditor5/issues/6227.\n\t\t\tif ( !isBorderStyleSet( newValue ) ) {\n\t\t\t\tthis.borderColor = '';\n\t\t\t\tthis.borderWidth = '';\n\t\t\t}\n\n\t\t\t// When setting the `border-style` from `none`, set the default `border-color` and `border-width` properties.\n\t\t\tif ( !isBorderStyleSet( oldValue ) ) {\n\t\t\t\tthis.borderColor = defaultBorder.color;\n\t\t\t\tthis.borderWidth = defaultBorder.width;\n\t\t\t}\n\t\t} );\n\n\t\treturn {\n\t\t\tborderRowLabel,\n\t\t\tborderStyleDropdown,\n\t\t\tborderColorInput,\n\t\t\tborderWidthInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #backgroundInput}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createBackgroundFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Group label ---------------------------------------------\n\n\t\tconst backgroundRowLabel = new LabelView( locale );\n\t\tbackgroundRowLabel.text = t( 'Background' );\n\n\t\t// -- Background color input -----------------------------------\n\n\t\tconst backgroundInputCreator = getLabeledColorInputCreator( {\n\t\t\tcolorConfig: this.options.backgroundColors,\n\t\t\tcolumns: 5,\n\t\t\tdefaultColorValue: this.options.defaultTableProperties.backgroundColor\n\t\t} );\n\n\t\tconst backgroundInput = new LabeledFieldView( locale, backgroundInputCreator );\n\n\t\tbackgroundInput.set( {\n\t\t\tlabel: t( 'Color' ),\n\t\t\tclass: 'ck-table-properties-form__background'\n\t\t} );\n\n\t\tbackgroundInput.fieldView.bind( 'value' ).to( this, 'backgroundColor' );\n\t\tbackgroundInput.fieldView.on( 'input', () => {\n\t\t\tthis.backgroundColor = backgroundInput.fieldView.value;\n\t\t} );\n\n\t\treturn {\n\t\t\tbackgroundRowLabel,\n\t\t\tbackgroundInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #widthInput}.\n\t * * {@link #heightInput}.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView}\n\t */\n\t_createDimensionFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Label ---------------------------------------------------\n\n\t\tconst dimensionsLabel = new LabelView( locale );\n\t\tdimensionsLabel.text = t( 'Dimensions' );\n\n\t\t// -- Width ---------------------------------------------------\n\n\t\tconst widthInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\twidthInput.set( {\n\t\t\tlabel: t( 'Width' ),\n\t\t\tclass: 'ck-table-form__dimensions-row__width'\n\t\t} );\n\n\t\twidthInput.fieldView.bind( 'value' ).to( this, 'width' );\n\t\twidthInput.fieldView.on( 'input', () => {\n\t\t\tthis.width = widthInput.fieldView.element.value;\n\t\t} );\n\n\t\t// -- Operator ---------------------------------------------------\n\n\t\tconst operatorLabel = new View( locale );\n\t\toperatorLabel.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-table-form__dimension-operator'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{ text: '×' }\n\t\t\t]\n\t\t} );\n\n\t\t// -- Height ---------------------------------------------------\n\n\t\tconst heightInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\theightInput.set( {\n\t\t\tlabel: t( 'Height' ),\n\t\t\tclass: 'ck-table-form__dimensions-row__height'\n\t\t} );\n\n\t\theightInput.fieldView.bind( 'value' ).to( this, 'height' );\n\t\theightInput.fieldView.on( 'input', () => {\n\t\t\tthis.height = heightInput.fieldView.element.value;\n\t\t} );\n\n\t\treturn {\n\t\t\tdimensionsLabel,\n\t\t\twidthInput,\n\t\t\toperatorLabel,\n\t\t\theightInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #alignmentToolbar},\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createAlignmentFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Label ---------------------------------------------------\n\n\t\tconst alignmentLabel = new LabelView( locale );\n\t\talignmentLabel.text = t( 'Alignment' );\n\n\t\t// -- Toolbar ---------------------------------------------------\n\n\t\tconst alignmentToolbar = new ToolbarView( locale );\n\t\talignmentToolbar.set( {\n\t\t\tisCompact: true,\n\t\t\tariaLabel: t( 'Table alignment toolbar' )\n\t\t} );\n\n\t\tfillToolbar( {\n\t\t\tview: this,\n\t\t\ticons: ALIGNMENT_ICONS,\n\t\t\ttoolbar: alignmentToolbar,\n\t\t\tlabels: this._alignmentLabels,\n\t\t\tpropertyName: 'alignment',\n\t\t\tdefaultValue: this.options.defaultTableProperties.alignment\n\t\t} );\n\n\t\treturn {\n\t\t\talignmentLabel,\n\t\t\talignmentToolbar\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form controls:\n\t *\n\t * * {@link #saveButtonView},\n\t * * {@link #cancelButtonView}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createActionButtons() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst saveButtonView = new ButtonView( locale );\n\t\tconst cancelButtonView = new ButtonView( locale );\n\t\tconst fieldsThatShouldValidateToSave = [\n\t\t\tthis.borderWidthInput,\n\t\t\tthis.borderColorInput,\n\t\t\tthis.backgroundInput,\n\t\t\tthis.widthInput,\n\t\t\tthis.heightInput\n\t\t];\n\n\t\tsaveButtonView.set( {\n\t\t\tlabel: t( 'Save' ),\n\t\t\ticon: icons.check,\n\t\t\tclass: 'ck-button-save',\n\t\t\ttype: 'submit',\n\t\t\twithText: true\n\t\t} );\n\n\t\tsaveButtonView.bind( 'isEnabled' ).toMany( fieldsThatShouldValidateToSave, 'errorText', ( ...errorTexts ) => {\n\t\t\treturn errorTexts.every( errorText => !errorText );\n\t\t} );\n\n\t\tcancelButtonView.set( {\n\t\t\tlabel: t( 'Cancel' ),\n\t\t\ticon: icons.cancel,\n\t\t\tclass: 'ck-button-cancel',\n\t\t\twithText: true\n\t\t} );\n\n\t\tcancelButtonView.delegate( 'execute' ).to( this, 'cancel' );\n\n\t\treturn {\n\t\t\tsaveButtonView, cancelButtonView\n\t\t};\n\t}\n\n\t/**\n\t * Provides localized labels for {@link #alignmentToolbar} buttons.\n\t *\n\t * @private\n\t * @type {Object.<String,String>}\n\t */\n\tget _alignmentLabels() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst left = t( 'Align table to the left' );\n\t\tconst center = t( 'Center table' );\n\t\tconst right = t( 'Align table to the right' );\n\n\t\t// Returns object with a proper order of labels.\n\t\tif ( locale.uiLanguageDirection === 'rtl' ) {\n\t\t\treturn { right, center, left };\n\t\t} else {\n\t\t\treturn { left, center, right };\n\t\t}\n\t}\n}\n\nfunction isBorderStyleSet( value ) {\n\treturn value !== 'none';\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M8 2v5h4V2h1v5h5v1h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5H7v-5H2v-1h5V8H2V7h5V2h1zm4 6H8v4h4V8z\\\" opacity=\\\".6\\\"/><path d=\\\"m15.5 11.5 1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM17 1a2 2 0 0 1 2 2v9.475l-.85-.124-.857-1.736a2.048 2.048 0 0 0-.292-.44L17 3H3v14h7.808l.402.392L10.935 19H3a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h14z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/utils/ui/contextualballoon\n */\n\nimport { Rect } from 'ckeditor5/src/utils';\nimport { BalloonPanelView } from 'ckeditor5/src/ui';\n\nimport { getTableWidgetAncestor } from './widget';\n\nconst DEFAULT_BALLOON_POSITIONS = BalloonPanelView.defaultPositions;\n\nconst BALLOON_POSITIONS = [\n\tDEFAULT_BALLOON_POSITIONS.northArrowSouth,\n\tDEFAULT_BALLOON_POSITIONS.northArrowSouthWest,\n\tDEFAULT_BALLOON_POSITIONS.northArrowSouthEast,\n\tDEFAULT_BALLOON_POSITIONS.southArrowNorth,\n\tDEFAULT_BALLOON_POSITIONS.southArrowNorthWest,\n\tDEFAULT_BALLOON_POSITIONS.southArrowNorthEast,\n\tDEFAULT_BALLOON_POSITIONS.viewportStickyNorth\n];\n\n/**\n * A helper utility that positions the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} instance\n * with respect to the table in the editor content, if one is selected.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @param {String} target Either \"cell\" or \"table\". Determines the target the balloon will\n * be attached to.\n */\nexport function repositionContextualBalloon( editor, target ) {\n\tconst balloon = editor.plugins.get( 'ContextualBalloon' );\n\n\tif ( getTableWidgetAncestor( editor.editing.view.document.selection ) ) {\n\t\tlet position;\n\n\t\tif ( target === 'cell' ) {\n\t\t\tposition = getBalloonCellPositionData( editor );\n\t\t} else {\n\t\t\tposition = getBalloonTablePositionData( editor );\n\t\t}\n\n\t\tballoon.updatePosition( position );\n\t}\n}\n\n/**\n * Returns the positioning options that control the geometry of the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} with respect\n * to the selected table in the editor content.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @returns {module:utils/dom/position~Options}\n */\nexport function getBalloonTablePositionData( editor ) {\n\tconst firstPosition = editor.model.document.selection.getFirstPosition();\n\tconst modelTable = firstPosition.findAncestor( 'table' );\n\tconst viewTable = editor.editing.mapper.toViewElement( modelTable );\n\n\treturn {\n\t\ttarget: editor.editing.view.domConverter.viewToDom( viewTable ),\n\t\tpositions: BALLOON_POSITIONS\n\t};\n}\n\n/**\n * Returns the positioning options that control the geometry of the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} with respect\n * to the selected table cell in the editor content.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @returns {module:utils/dom/position~Options}\n */\nexport function getBalloonCellPositionData( editor ) {\n\tconst mapper = editor.editing.mapper;\n\tconst domConverter = editor.editing.view.domConverter;\n\tconst selection = editor.model.document.selection;\n\n\tif ( selection.rangeCount > 1 ) {\n\t\treturn {\n\t\t\ttarget: () => createBoundingRect( selection.getRanges(), editor ),\n\t\t\tpositions: BALLOON_POSITIONS\n\t\t};\n\t}\n\n\tconst modelTableCell = getTableCellAtPosition( selection.getFirstPosition() );\n\tconst viewTableCell = mapper.toViewElement( modelTableCell );\n\n\treturn {\n\t\ttarget: domConverter.viewToDom( viewTableCell ),\n\t\tpositions: BALLOON_POSITIONS\n\t};\n}\n\n// Returns the first selected table cell from a multi-cell or in-cell selection.\n//\n// @param {module:engine/model/position~Position} position Document position.\n// @returns {module:engine/model/element~Element}\nfunction getTableCellAtPosition( position ) {\n\tconst isTableCellSelected = position.nodeAfter && position.nodeAfter.is( 'element', 'tableCell' );\n\n\treturn isTableCellSelected ? position.nodeAfter : position.findAncestor( 'tableCell' );\n}\n\n// Returns bounding rectangle for given model ranges.\n//\n// @param {Iterable.<module:engine/model/range~Range>} ranges Model ranges that the bounding rect should be returned for.\n// @param {module:core/editor/editor~Editor} editor The editor instance.\n// @returns {module:utils/dom/rect~Rect}\nfunction createBoundingRect( ranges, editor ) {\n\tconst mapper = editor.editing.mapper;\n\tconst domConverter = editor.editing.view.domConverter;\n\tconst rects = Array.from( ranges ).map( range => {\n\t\tconst modelTableCell = getTableCellAtPosition( range.start );\n\t\tconst viewTableCell = mapper.toViewElement( modelTableCell );\n\t\treturn new Rect( domConverter.viewToDom( viewTableCell ) );\n\t} );\n\n\treturn Rect.getBoundingRect( rects );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties/tablepropertiesui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView, ContextualBalloon, clickOutsideHandler, getLocalizedColorOptions, normalizeColorOptions } from 'ckeditor5/src/ui';\n\nimport { debounce } from 'lodash-es';\n\nimport TablePropertiesView from './ui/tablepropertiesview';\nimport tableProperties from './../../theme/icons/table-properties.svg';\nimport {\n\tcolorFieldValidator,\n\tgetLocalizedColorErrorText,\n\tgetLocalizedLengthErrorText,\n\tlengthFieldValidator,\n\tlineWidthFieldValidator,\n\tdefaultColors\n} from '../utils/ui/table-properties';\nimport { getTableWidgetAncestor } from '../utils/ui/widget';\nimport { getBalloonTablePositionData, repositionContextualBalloon } from '../utils/ui/contextualballoon';\nimport { getNormalizedDefaultProperties } from '../utils/table-properties';\n\nconst ERROR_TEXT_TIMEOUT = 500;\n\n// Map of view properties and related commands.\nconst propertyToCommandMap = {\n\tborderStyle: 'tableBorderStyle',\n\tborderColor: 'tableBorderColor',\n\tborderWidth: 'tableBorderWidth',\n\tbackgroundColor: 'tableBackgroundColor',\n\twidth: 'tableWidth',\n\theight: 'tableHeight',\n\talignment: 'tableAlignment'\n};\n\n/**\n * The table properties UI plugin. It introduces the `'tableProperties'` button\n * that opens a form allowing to specify visual styling of an entire table.\n *\n * It uses the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon plugin}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TablePropertiesUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TablePropertiesUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'table.tableProperties', {\n\t\t\tborderColors: defaultColors,\n\t\t\tbackgroundColors: defaultColors\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t/**\n\t\t * The default table properties.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:table/tableproperties~TablePropertiesOptions}\n\t\t */\n\t\tthis._defaultTableProperties = getNormalizedDefaultProperties( editor.config.get( 'table.tableProperties.defaultProperties' ), {\n\t\t\tincludeAlignmentProperty: true\n\t\t} );\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t/**\n\t\t * The properties form view displayed inside the balloon.\n\t\t *\n\t\t * @member {module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView}\n\t\t */\n\t\tthis.view = this._createPropertiesView();\n\n\t\t/**\n\t\t * The batch used to undo all changes made by the form (which are live, as the user types)\n\t\t * when \"Cancel\" was pressed. Each time the view is shown, a new batch is created.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/model/batch~Batch}\n\t\t */\n\t\tthis._undoStepBatch = null;\n\n\t\teditor.ui.componentFactory.add( 'tableProperties', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Table properties' ),\n\t\t\t\ticon: tableProperties,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tthis.listenTo( view, 'execute', () => this._showView() );\n\n\t\t\tconst commands = Object.values( propertyToCommandMap )\n\t\t\t\t.map( commandName => editor.commands.get( commandName ) );\n\n\t\t\tview.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => (\n\t\t\t\tareEnabled.some( isCommandEnabled => isCommandEnabled )\n\t\t\t) );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1341.\n\t\tthis.view.destroy();\n\t}\n\n\t/**\n\t * Creates the {@link module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView} instance.\n\t *\n\t * @private\n\t * @returns {module:table/tableproperties/ui/tablepropertiesview~TablePropertiesView} The table\n\t * properties form view instance.\n\t */\n\t_createPropertiesView() {\n\t\tconst editor = this.editor;\n\t\tconst config = editor.config.get( 'table.tableProperties' );\n\t\tconst borderColorsConfig = normalizeColorOptions( config.borderColors );\n\t\tconst localizedBorderColors = getLocalizedColorOptions( editor.locale, borderColorsConfig );\n\t\tconst backgroundColorsConfig = normalizeColorOptions( config.backgroundColors );\n\t\tconst localizedBackgroundColors = getLocalizedColorOptions( editor.locale, backgroundColorsConfig );\n\n\t\tconst view = new TablePropertiesView( editor.locale, {\n\t\t\tborderColors: localizedBorderColors,\n\t\t\tbackgroundColors: localizedBackgroundColors,\n\t\t\tdefaultTableProperties: this._defaultTableProperties\n\t\t} );\n\t\tconst t = editor.t;\n\n\t\t// Render the view so its #element is available for the clickOutsideHandler.\n\t\tview.render();\n\n\t\tthis.listenTo( view, 'submit', () => {\n\t\t\tthis._hideView();\n\t\t} );\n\n\t\tthis.listenTo( view, 'cancel', () => {\n\t\t\t// https://github.com/ckeditor/ckeditor5/issues/6180\n\t\t\tif ( this._undoStepBatch.operations.length ) {\n\t\t\t\teditor.execute( 'undo', this._undoStepBatch );\n\t\t\t}\n\n\t\t\tthis._hideView();\n\t\t} );\n\n\t\t// Close the balloon on Esc key press.\n\t\tview.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._hideView();\n\t\t\tcancel();\n\t\t} );\n\n\t\t// Close on click outside of balloon panel element.\n\t\tclickOutsideHandler( {\n\t\t\temitter: view,\n\t\t\tactivator: () => this._isViewInBalloon,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideView()\n\t\t} );\n\n\t\tconst colorErrorText = getLocalizedColorErrorText( t );\n\t\tconst lengthErrorText = getLocalizedLengthErrorText( t );\n\n\t\t// Create the \"UI -> editor data\" binding.\n\t\t// These listeners update the editor data (via table commands) when any observable\n\t\t// property of the view has changed. They also validate the value and display errors in the UI\n\t\t// when necessary. This makes the view live, which means the changes are\n\t\t// visible in the editing as soon as the user types or changes fields' values.\n\t\tview.on(\n\t\t\t'change:borderStyle',\n\t\t\tthis._getPropertyChangeCallback( 'tableBorderStyle', this._defaultTableProperties.borderStyle )\n\t\t);\n\n\t\tview.on( 'change:borderColor', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.borderColorInput,\n\t\t\tcommandName: 'tableBorderColor',\n\t\t\terrorText: colorErrorText,\n\t\t\tvalidator: colorFieldValidator,\n\t\t\tdefaultValue: this._defaultTableProperties.borderColor\n\t\t} ) );\n\n\t\tview.on( 'change:borderWidth', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.borderWidthInput,\n\t\t\tcommandName: 'tableBorderWidth',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lineWidthFieldValidator,\n\t\t\tdefaultValue: this._defaultTableProperties.borderWidth\n\t\t} ) );\n\n\t\tview.on( 'change:backgroundColor', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.backgroundInput,\n\t\t\tcommandName: 'tableBackgroundColor',\n\t\t\terrorText: colorErrorText,\n\t\t\tvalidator: colorFieldValidator,\n\t\t\tdefaultValue: this._defaultTableProperties.backgroundColor\n\t\t} ) );\n\n\t\tview.on( 'change:width', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.widthInput,\n\t\t\tcommandName: 'tableWidth',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator,\n\t\t\tdefaultValue: this._defaultTableProperties.width\n\t\t} ) );\n\n\t\tview.on( 'change:height', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.heightInput,\n\t\t\tcommandName: 'tableHeight',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator,\n\t\t\tdefaultValue: this._defaultTableProperties.height\n\t\t} ) );\n\n\t\tview.on(\n\t\t\t'change:alignment',\n\t\t\tthis._getPropertyChangeCallback( 'tableAlignment', this._defaultTableProperties.alignment )\n\t\t);\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * In this method the \"editor data -> UI\" binding is happening.\n\t *\n\t * When executed, this method obtains selected table property values from various table commands\n\t * and passes them to the {@link #view}.\n\t *\n\t * This way, the UI stays up–to–date with the editor data.\n\t *\n\t * @private\n\t */\n\t_fillViewFormFromCommandValues() {\n\t\tconst commands = this.editor.commands;\n\t\tconst borderStyleCommand = commands.get( 'tableBorderStyle' );\n\n\t\tObject.entries( propertyToCommandMap )\n\t\t\t.map( ( [ property, commandName ] ) => {\n\t\t\t\tconst defaultValue = this._defaultTableProperties[ property ] || '';\n\n\t\t\t\treturn [ property, commands.get( commandName ).value || defaultValue ];\n\t\t\t} )\n\t\t\t.forEach( ( [ property, value ] ) => {\n\t\t\t\t// Do not set the `border-color` and `border-width` fields if `border-style:none`.\n\t\t\t\tif ( ( property === 'borderColor' || property === 'borderWidth' ) && borderStyleCommand.value === 'none' ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tthis.view.set( property, value );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Shows the {@link #view} in the {@link #_balloon}.\n\t *\n\t * **Note**: Each time a view is shown, the new {@link #_undoStepBatch} is created that contains\n\t * all changes made to the document when the view is visible, allowing a single undo step\n\t * for all of them.\n\t *\n\t * @protected\n\t */\n\t_showView() {\n\t\tconst editor = this.editor;\n\n\t\tthis.listenTo( editor.ui, 'update', () => {\n\t\t\tthis._updateView();\n\t\t} );\n\n\t\t// Update the view with the model values.\n\t\tthis._fillViewFormFromCommandValues();\n\n\t\tthis._balloon.add( {\n\t\t\tview: this.view,\n\t\t\tposition: getBalloonTablePositionData( editor )\n\t\t} );\n\n\t\t// Create a new batch. Clicking \"Cancel\" will undo this batch.\n\t\tthis._undoStepBatch = editor.model.createBatch();\n\n\t\t// Basic a11y.\n\t\tthis.view.focus();\n\t}\n\n\t/**\n\t * Removes the {@link #view} from the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_hideView() {\n\t\tconst editor = this.editor;\n\n\t\tthis.stopListening( editor.ui, 'update' );\n\n\t\t// Blur any input element before removing it from DOM to prevent issues in some browsers.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1501.\n\t\tthis.view.saveButtonView.focus();\n\n\t\tthis._balloon.remove( this.view );\n\n\t\t// Make sure the focus is not lost in the process by putting it directly\n\t\t// into the editing view.\n\t\tthis.editor.editing.view.focus();\n\t}\n\n\t/**\n\t * Repositions the {@link #_balloon} or hides the {@link #view} if a table is no longer selected.\n\t *\n\t * @protected\n\t */\n\t_updateView() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\n\t\tif ( !getTableWidgetAncestor( viewDocument.selection ) ) {\n\t\t\tthis._hideView();\n\t\t} else if ( this._isViewVisible ) {\n\t\t\trepositionContextualBalloon( editor, 'table' );\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #view} is the visible in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isViewVisible() {\n\t\treturn this._balloon.visibleView === this.view;\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #view} is in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isViewInBalloon() {\n\t\treturn this._balloon.hasView( this.view );\n\t}\n\n\t/**\n\t * Creates a callback that when executed upon {@link #view view's} property change\n\t * executes a related editor command with the new property value.\n\t *\n\t * If new value will be set to the default value, the command will not be executed.\n\t *\n\t * @private\n\t * @param {String} commandName The command that will be executed.\n\t * @param {String} defaultValue The default value of the command.\n\t * @returns {Function}\n\t */\n\t_getPropertyChangeCallback( commandName, defaultValue ) {\n\t\treturn ( evt, propertyName, newValue, oldValue ) => {\n\t\t\t// If the \"oldValue\" is missing and \"newValue\" is set to the default value, do not execute the command.\n\t\t\t// It is an initial call (when opening the table properties view).\n\t\t\tif ( !oldValue && defaultValue === newValue ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis.editor.execute( commandName, {\n\t\t\t\tvalue: newValue,\n\t\t\t\tbatch: this._undoStepBatch\n\t\t\t} );\n\t\t};\n\t}\n\n\t/**\n\t * Creates a callback that when executed upon {@link #view view's} property change:\n\t * * executes a related editor command with the new property value if the value is valid,\n\t * * or sets the error text next to the invalid field, if the value did not pass the validation.\n\t *\n\t * @private\n\t * @param {Object} options\n\t * @param {String} options.commandName\n\t * @param {module:ui/view~View} options.viewField\n\t * @param {Function} options.validator\n\t * @param {String} options.errorText\n\t * @param {String} options.defaultValue\n\t * @returns {Function}\n\t */\n\t_getValidatedPropertyChangeCallback( options ) {\n\t\tconst { commandName, viewField, validator, errorText, defaultValue } = options;\n\t\tconst setErrorTextDebounced = debounce( () => {\n\t\t\tviewField.errorText = errorText;\n\t\t}, ERROR_TEXT_TIMEOUT );\n\n\t\treturn ( evt, propertyName, newValue, oldValue ) => {\n\t\t\tsetErrorTextDebounced.cancel();\n\n\t\t\t// If the \"oldValue\" is missing and \"newValue\" is set to the default value, do not execute the command.\n\t\t\t// It is an initial call (when opening the table properties view).\n\t\t\tif ( !oldValue && defaultValue === newValue ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( validator( newValue ) ) {\n\t\t\t\tthis.editor.execute( commandName, {\n\t\t\t\t\tvalue: newValue,\n\t\t\t\t\tbatch: this._undoStepBatch\n\t\t\t\t} );\n\n\t\t\t\tviewField.errorText = null;\n\t\t\t} else {\n\t\t\t\tsetErrorTextDebounced();\n\t\t\t}\n\t\t};\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tablecellproperties.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./tablecellproperties.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/ui/tablecellpropertiesview\n */\n\nimport {\n\tLabeledFieldView,\n\tcreateLabeledDropdown,\n\tcreateLabeledInputText,\n\tLabelView,\n\taddListToDropdown,\n\tToolbarView,\n\tButtonView,\n\tFocusCycler,\n\tView,\n\tViewCollection,\n\tFormHeaderView,\n\tsubmitHandler\n} from 'ckeditor5/src/ui';\nimport { KeystrokeHandler, FocusTracker } from 'ckeditor5/src/utils';\nimport { icons } from 'ckeditor5/src/core';\n\nimport {\n\tfillToolbar,\n\tgetBorderStyleDefinitions,\n\tgetBorderStyleLabels,\n\tgetLabeledColorInputCreator\n} from '../../utils/ui/table-properties';\nimport FormRowView from '../../ui/formrowview';\n\nimport '../../../theme/form.css';\nimport '../../../theme/tableform.css';\nimport '../../../theme/tablecellproperties.css';\n\nconst ALIGNMENT_ICONS = {\n\tleft: icons.alignLeft,\n\tcenter: icons.alignCenter,\n\tright: icons.alignRight,\n\tjustify: icons.alignJustify,\n\ttop: icons.alignTop,\n\tmiddle: icons.alignMiddle,\n\tbottom: icons.alignBottom\n};\n\n/**\n * The class representing a table cell properties form, allowing users to customize\n * certain style aspects of a table cell, for instance, border, padding, text alignment, etc..\n *\n * @extends module:ui/view~View\n */\nexport default class TableCellPropertiesView extends View {\n\t/**\n\t * @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n\t * @param {Object} options Additional configuration of the view.\n\t * @param {module:table/table~TableColorConfig} options.borderColors A configuration of the border\n\t * color palette used by the\n\t * {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView#borderColorInput}.\n\t * @param {module:table/table~TableColorConfig} options.backgroundColors A configuration of the background\n\t * color palette used by the\n\t * {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView#backgroundInput}.\n\t * @param {module:table/tablecellproperties~TableCellPropertiesOptions} options.defaultTableCellProperties The default\n\t * table cell properties.\n\t */\n\tconstructor( locale, options ) {\n\t\tsuper( locale );\n\n\t\tthis.set( {\n\t\t\t/**\n\t\t\t * The value of the cell border style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderStyle\n\t\t\t */\n\t\t\tborderStyle: '',\n\n\t\t\t/**\n\t\t\t * The value of the cell border width style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderWidth\n\t\t\t */\n\t\t\tborderWidth: '',\n\n\t\t\t/**\n\t\t\t * The value of the cell border color style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #borderColor\n\t\t\t */\n\t\t\tborderColor: '',\n\n\t\t\t/**\n\t\t\t * The value of the cell padding style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #padding\n\t\t\t */\n\t\t\tpadding: '',\n\n\t\t\t/**\n\t\t\t * The value of the cell background color style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #backgroundColor\n\t\t\t */\n\t\t\tbackgroundColor: '',\n\n\t\t\t/**\n\t\t\t * The value of the table cell width style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #width\n\t\t\t */\n\t\t\twidth: '',\n\n\t\t\t/**\n\t\t\t * The value of the table cell height style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #height\n\t\t\t */\n\t\t\theight: '',\n\n\t\t\t/**\n\t\t\t * The value of the horizontal text alignment style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #horizontalAlignment\n\t\t\t */\n\t\t\thorizontalAlignment: '',\n\n\t\t\t/**\n\t\t\t * The value of the vertical text alignment style.\n\t\t\t *\n\t\t\t * @observable\n\t\t\t * @default ''\n\t\t\t * @member #verticalAlignment\n\t\t\t */\n\t\t\tverticalAlignment: ''\n\t\t} );\n\n\t\t/**\n\t\t * Options passed to the view. See {@link #constructor} to learn more.\n\t\t *\n\t\t * @member {Object}\n\t\t */\n\t\tthis.options = options;\n\n\t\tconst { borderStyleDropdown, borderWidthInput, borderColorInput, borderRowLabel } = this._createBorderFields();\n\t\tconst { backgroundRowLabel, backgroundInput } = this._createBackgroundFields();\n\t\tconst { widthInput, operatorLabel, heightInput, dimensionsLabel } = this._createDimensionFields();\n\t\tconst { horizontalAlignmentToolbar, verticalAlignmentToolbar, alignmentLabel } = this._createAlignmentFields();\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * A collection of child views in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @type {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.children = this.createCollection();\n\n\t\t/**\n\t\t * A dropdown that allows selecting the style of the table cell border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/dropdown/dropdownview~DropdownView}\n\t\t */\n\t\tthis.borderStyleDropdown = borderStyleDropdown;\n\n\t\t/**\n\t\t * An input that allows specifying the width of the table cell border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.borderWidthInput = borderWidthInput;\n\n\t\t/**\n\t\t * An input that allows specifying the color of the table cell border.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:table/ui/colorinputview~ColorInputView}\n\t\t */\n\t\tthis.borderColorInput = borderColorInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table cell background color.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:table/ui/colorinputview~ColorInputView}\n\t\t */\n\t\tthis.backgroundInput = backgroundInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table cell padding.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.paddingInput = this._createPaddingField();\n\n\t\t/**\n\t\t * An input that allows specifying the table cell width.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.widthInput = widthInput;\n\n\t\t/**\n\t\t * An input that allows specifying the table cell height.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/inputtext/inputtextview~InputTextView}\n\t\t */\n\t\tthis.heightInput = heightInput;\n\n\t\t/**\n\t\t * A toolbar with buttons that allow changing the horizontal text alignment in a table cell.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbar~ToolbarView}\n\t\t */\n\t\tthis.horizontalAlignmentToolbar = horizontalAlignmentToolbar;\n\n\t\t/**\n\t\t * A toolbar with buttons that allow changing the vertical text alignment in a table cell.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/toolbar/toolbar~ToolbarView}\n\t\t */\n\t\tthis.verticalAlignmentToolbar = verticalAlignmentToolbar;\n\n\t\t// Defer creating to make sure other fields are present and the Save button can\n\t\t// bind its #isEnabled to their error messages so there's no way to save unless all\n\t\t// fields are valid.\n\t\tconst { saveButtonView, cancelButtonView } = this._createActionButtons();\n\n\t\t/**\n\t\t * The \"Save\" button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.saveButtonView = saveButtonView;\n\n\t\t/**\n\t\t * The \"Cancel\" button view.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView}\n\t\t */\n\t\tthis.cancelButtonView = cancelButtonView;\n\n\t\t/**\n\t\t * A collection of views that can be focused in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate form fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate form fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\t// Form header.\n\t\tthis.children.add( new FormHeaderView( locale, {\n\t\t\tlabel: this.t( 'Cell properties' )\n\t\t} ) );\n\n\t\t// Border row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: borderRowLabel,\n\t\t\tchildren: [\n\t\t\t\tborderRowLabel,\n\t\t\t\tborderStyleDropdown,\n\t\t\t\tborderColorInput,\n\t\t\t\tborderWidthInput\n\t\t\t],\n\t\t\tclass: 'ck-table-form__border-row'\n\t\t} ) );\n\n\t\t// Background.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: backgroundRowLabel,\n\t\t\tchildren: [\n\t\t\t\tbackgroundRowLabel,\n\t\t\t\tbackgroundInput\n\t\t\t],\n\t\t\tclass: 'ck-table-form__background-row'\n\t\t} ) );\n\n\t\t// Dimensions row and padding.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tchildren: [\n\t\t\t\t// Dimensions row.\n\t\t\t\tnew FormRowView( locale, {\n\t\t\t\t\tlabelView: dimensionsLabel,\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tdimensionsLabel,\n\t\t\t\t\t\twidthInput,\n\t\t\t\t\t\toperatorLabel,\n\t\t\t\t\t\theightInput\n\t\t\t\t\t],\n\t\t\t\t\tclass: 'ck-table-form__dimensions-row'\n\t\t\t\t} ),\n\t\t\t\t// Padding row.\n\t\t\t\tnew FormRowView( locale, {\n\t\t\t\t\tchildren: [\n\t\t\t\t\t\tthis.paddingInput\n\t\t\t\t\t],\n\t\t\t\t\tclass: 'ck-table-cell-properties-form__padding-row'\n\t\t\t\t} )\n\t\t\t]\n\t\t} ) );\n\n\t\t// Text alignment row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tlabelView: alignmentLabel,\n\t\t\tchildren: [\n\t\t\t\talignmentLabel,\n\t\t\t\thorizontalAlignmentToolbar,\n\t\t\t\tverticalAlignmentToolbar\n\t\t\t],\n\t\t\tclass: 'ck-table-cell-properties-form__alignment-row'\n\t\t} ) );\n\n\t\t// Action row.\n\t\tthis.children.add( new FormRowView( locale, {\n\t\t\tchildren: [\n\t\t\t\tthis.saveButtonView,\n\t\t\t\tthis.cancelButtonView\n\t\t\t],\n\t\t\tclass: 'ck-table-form__action-row'\n\t\t} ) );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'form',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-form',\n\t\t\t\t\t'ck-table-form',\n\t\t\t\t\t'ck-table-cell-properties-form'\n\t\t\t\t],\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-link/issues/90\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\t\t\tchildren: this.children\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Enable the \"submit\" event for this view. It can be triggered by the #saveButtonView\n\t\t// which is of the \"submit\" DOM \"type\".\n\t\tsubmitHandler( {\n\t\t\tview: this\n\t\t} );\n\n\t\t[\n\t\t\tthis.borderStyleDropdown,\n\t\t\tthis.borderColorInput,\n\t\t\tthis.borderWidthInput,\n\t\t\tthis.backgroundInput,\n\t\t\tthis.widthInput,\n\t\t\tthis.heightInput,\n\t\t\tthis.paddingInput,\n\t\t\tthis.horizontalAlignmentToolbar,\n\t\t\tthis.verticalAlignmentToolbar,\n\t\t\tthis.saveButtonView,\n\t\t\tthis.cancelButtonView\n\t\t].forEach( view => {\n\t\t\t// Register the view as focusable.\n\t\t\tthis._focusables.add( view );\n\n\t\t\t// Register the view in the focus tracker.\n\t\t\tthis.focusTracker.add( view.element );\n\t\t} );\n\n\t\t// Mainly for closing using \"Esc\" and navigation using \"Tab\".\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\t}\n\n\t/**\n\t * Focuses the fist focusable field in the form.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #borderStyleDropdown},\n\t * * {@link #borderWidthInput},\n\t * * {@link #borderColorInput}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createBorderFields() {\n\t\tconst defaultTableCellProperties = this.options.defaultTableCellProperties;\n\t\tconst defaultBorder = {\n\t\t\tstyle: defaultTableCellProperties.borderStyle,\n\t\t\twidth: defaultTableCellProperties.borderWidth,\n\t\t\tcolor: defaultTableCellProperties.borderColor\n\t\t};\n\n\t\tconst colorInputCreator = getLabeledColorInputCreator( {\n\t\t\tcolorConfig: this.options.borderColors,\n\t\t\tcolumns: 5,\n\t\t\tdefaultColorValue: defaultBorder.color\n\t\t} );\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Group label ---------------------------------------------\n\n\t\tconst borderRowLabel = new LabelView( locale );\n\t\tborderRowLabel.text = t( 'Border' );\n\n\t\t// -- Style ---------------------------------------------------\n\n\t\tconst styleLabels = getBorderStyleLabels( t );\n\t\tconst borderStyleDropdown = new LabeledFieldView( locale, createLabeledDropdown );\n\t\tborderStyleDropdown.set( {\n\t\t\tlabel: t( 'Style' ),\n\t\t\tclass: 'ck-table-form__border-style'\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.buttonView.set( {\n\t\t\tisOn: false,\n\t\t\twithText: true,\n\t\t\ttooltip: t( 'Style' )\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.buttonView.bind( 'label' ).to( this, 'borderStyle', value => {\n\t\t\treturn styleLabels[ value ? value : 'none' ];\n\t\t} );\n\n\t\tborderStyleDropdown.fieldView.on( 'execute', evt => {\n\t\t\tthis.borderStyle = evt.source._borderStyleValue;\n\t\t} );\n\n\t\tborderStyleDropdown.bind( 'isEmpty' ).to( this, 'borderStyle', value => !value );\n\n\t\taddListToDropdown( borderStyleDropdown.fieldView, getBorderStyleDefinitions( this, defaultBorder.style ) );\n\n\t\t// -- Width ---------------------------------------------------\n\n\t\tconst borderWidthInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\tborderWidthInput.set( {\n\t\t\tlabel: t( 'Width' ),\n\t\t\tclass: 'ck-table-form__border-width'\n\t\t} );\n\n\t\tborderWidthInput.fieldView.bind( 'value' ).to( this, 'borderWidth' );\n\t\tborderWidthInput.bind( 'isEnabled' ).to( this, 'borderStyle', isBorderStyleSet );\n\t\tborderWidthInput.fieldView.on( 'input', () => {\n\t\t\tthis.borderWidth = borderWidthInput.fieldView.element.value;\n\t\t} );\n\n\t\t// -- Color ---------------------------------------------------\n\n\t\tconst borderColorInput = new LabeledFieldView( locale, colorInputCreator );\n\n\t\tborderColorInput.set( {\n\t\t\tlabel: t( 'Color' ),\n\t\t\tclass: 'ck-table-form__border-color'\n\t\t} );\n\n\t\tborderColorInput.fieldView.bind( 'value' ).to( this, 'borderColor' );\n\t\tborderColorInput.bind( 'isEnabled' ).to( this, 'borderStyle', isBorderStyleSet );\n\n\t\tborderColorInput.fieldView.on( 'input', () => {\n\t\t\tthis.borderColor = borderColorInput.fieldView.value;\n\t\t} );\n\n\t\t// Reset the border color and width fields depending on the `border-style` value.\n\t\tthis.on( 'change:borderStyle', ( evt, name, newValue, oldValue ) => {\n\t\t\t// When removing the border (`border-style:none`), clear the remaining `border-*` properties.\n\t\t\t// See: https://github.com/ckeditor/ckeditor5/issues/6227.\n\t\t\tif ( !isBorderStyleSet( newValue ) ) {\n\t\t\t\tthis.borderColor = '';\n\t\t\t\tthis.borderWidth = '';\n\t\t\t}\n\n\t\t\t// When setting the `border-style` from `none`, set the default `border-color` and `border-width` properties.\n\t\t\tif ( !isBorderStyleSet( oldValue ) ) {\n\t\t\t\tthis.borderColor = defaultBorder.color;\n\t\t\t\tthis.borderWidth = defaultBorder.width;\n\t\t\t}\n\t\t} );\n\n\t\treturn {\n\t\t\tborderRowLabel,\n\t\t\tborderStyleDropdown,\n\t\t\tborderColorInput,\n\t\t\tborderWidthInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #backgroundInput}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createBackgroundFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Group label ---------------------------------------------\n\n\t\tconst backgroundRowLabel = new LabelView( locale );\n\t\tbackgroundRowLabel.text = t( 'Background' );\n\n\t\t// -- Background color input -----------------------------------\n\n\t\tconst colorInputCreator = getLabeledColorInputCreator( {\n\t\t\tcolorConfig: this.options.backgroundColors,\n\t\t\tcolumns: 5,\n\t\t\tdefaultColorValue: this.options.defaultTableCellProperties.backgroundColor\n\t\t} );\n\n\t\tconst backgroundInput = new LabeledFieldView( locale, colorInputCreator );\n\n\t\tbackgroundInput.set( {\n\t\t\tlabel: t( 'Color' ),\n\t\t\tclass: 'ck-table-cell-properties-form__background'\n\t\t} );\n\n\t\tbackgroundInput.fieldView.bind( 'value' ).to( this, 'backgroundColor' );\n\t\tbackgroundInput.fieldView.on( 'input', () => {\n\t\t\tthis.backgroundColor = backgroundInput.fieldView.value;\n\t\t} );\n\n\t\treturn {\n\t\t\tbackgroundRowLabel,\n\t\t\tbackgroundInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #widthInput}.\n\t * * {@link #heightInput}.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView}\n\t */\n\t_createDimensionFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\t// -- Label ---------------------------------------------------\n\n\t\tconst dimensionsLabel = new LabelView( locale );\n\t\tdimensionsLabel.text = t( 'Dimensions' );\n\n\t\t// -- Width ---------------------------------------------------\n\n\t\tconst widthInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\twidthInput.set( {\n\t\t\tlabel: t( 'Width' ),\n\t\t\tclass: 'ck-table-form__dimensions-row__width'\n\t\t} );\n\n\t\twidthInput.fieldView.bind( 'value' ).to( this, 'width' );\n\t\twidthInput.fieldView.on( 'input', () => {\n\t\t\tthis.width = widthInput.fieldView.element.value;\n\t\t} );\n\n\t\t// -- Operator ---------------------------------------------------\n\n\t\tconst operatorLabel = new View( locale );\n\t\toperatorLabel.setTemplate( {\n\t\t\ttag: 'span',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-table-form__dimension-operator'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: [\n\t\t\t\t{ text: '×' }\n\t\t\t]\n\t\t} );\n\n\t\t// -- Height ---------------------------------------------------\n\n\t\tconst heightInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\theightInput.set( {\n\t\t\tlabel: t( 'Height' ),\n\t\t\tclass: 'ck-table-form__dimensions-row__height'\n\t\t} );\n\n\t\theightInput.fieldView.bind( 'value' ).to( this, 'height' );\n\t\theightInput.fieldView.on( 'input', () => {\n\t\t\tthis.height = heightInput.fieldView.element.value;\n\t\t} );\n\n\t\treturn {\n\t\t\tdimensionsLabel,\n\t\t\twidthInput,\n\t\t\toperatorLabel,\n\t\t\theightInput\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #paddingInput}.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView}\n\t */\n\t_createPaddingField() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst paddingInput = new LabeledFieldView( locale, createLabeledInputText );\n\n\t\tpaddingInput.set( {\n\t\t\tlabel: t( 'Padding' ),\n\t\t\tclass: 'ck-table-cell-properties-form__padding'\n\t\t} );\n\n\t\tpaddingInput.fieldView.bind( 'value' ).to( this, 'padding' );\n\t\tpaddingInput.fieldView.on( 'input', () => {\n\t\t\tthis.padding = paddingInput.fieldView.element.value;\n\t\t} );\n\n\t\treturn paddingInput;\n\t}\n\n\t/**\n\t * Creates the following form fields:\n\t *\n\t * * {@link #horizontalAlignmentToolbar},\n\t * * {@link #verticalAlignmentToolbar}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createAlignmentFields() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst alignmentLabel = new LabelView( locale );\n\n\t\talignmentLabel.text = t( 'Table cell text alignment' );\n\n\t\t// -- Horizontal ---------------------------------------------------\n\n\t\tconst horizontalAlignmentToolbar = new ToolbarView( locale );\n\t\tconst isContentRTL = this.locale.contentLanguageDirection === 'rtl';\n\n\t\thorizontalAlignmentToolbar.set( {\n\t\t\tisCompact: true,\n\t\t\tariaLabel: t( 'Horizontal text alignment toolbar' )\n\t\t} );\n\n\t\tfillToolbar( {\n\t\t\tview: this,\n\t\t\ticons: ALIGNMENT_ICONS,\n\t\t\ttoolbar: horizontalAlignmentToolbar,\n\t\t\tlabels: this._horizontalAlignmentLabels,\n\t\t\tpropertyName: 'horizontalAlignment',\n\t\t\tnameToValue: name => {\n\t\t\t\t// For the RTL content, we want to swap the buttons \"align to the left\" and \"align to the right\".\n\t\t\t\tif ( isContentRTL ) {\n\t\t\t\t\tif ( name === 'left' ) {\n\t\t\t\t\t\treturn 'right';\n\t\t\t\t\t} else if ( name === 'right' ) {\n\t\t\t\t\t\treturn 'left';\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn name;\n\t\t\t},\n\t\t\tdefaultValue: this.options.defaultTableCellProperties.horizontalAlignment\n\t\t} );\n\n\t\t// -- Vertical -----------------------------------------------------\n\n\t\tconst verticalAlignmentToolbar = new ToolbarView( locale );\n\n\t\tverticalAlignmentToolbar.set( {\n\t\t\tisCompact: true,\n\t\t\tariaLabel: t( 'Vertical text alignment toolbar' )\n\t\t} );\n\n\t\tfillToolbar( {\n\t\t\tview: this,\n\t\t\ticons: ALIGNMENT_ICONS,\n\t\t\ttoolbar: verticalAlignmentToolbar,\n\t\t\tlabels: this._verticalAlignmentLabels,\n\t\t\tpropertyName: 'verticalAlignment',\n\t\t\tdefaultValue: this.options.defaultTableCellProperties.verticalAlignment\n\t\t} );\n\n\t\treturn {\n\t\t\thorizontalAlignmentToolbar,\n\t\t\tverticalAlignmentToolbar,\n\t\t\talignmentLabel\n\t\t};\n\t}\n\n\t/**\n\t * Creates the following form controls:\n\t *\n\t * * {@link #saveButtonView},\n\t * * {@link #cancelButtonView}.\n\t *\n\t * @private\n\t * @returns {Object.<String,module:ui/view~View>}\n\t */\n\t_createActionButtons() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\t\tconst saveButtonView = new ButtonView( locale );\n\t\tconst cancelButtonView = new ButtonView( locale );\n\t\tconst fieldsThatShouldValidateToSave = [\n\t\t\tthis.borderWidthInput,\n\t\t\tthis.borderColorInput,\n\t\t\tthis.backgroundInput,\n\t\t\tthis.paddingInput\n\t\t];\n\n\t\tsaveButtonView.set( {\n\t\t\tlabel: t( 'Save' ),\n\t\t\ticon: icons.check,\n\t\t\tclass: 'ck-button-save',\n\t\t\ttype: 'submit',\n\t\t\twithText: true\n\t\t} );\n\n\t\tsaveButtonView.bind( 'isEnabled' ).toMany( fieldsThatShouldValidateToSave, 'errorText', ( ...errorTexts ) => {\n\t\t\treturn errorTexts.every( errorText => !errorText );\n\t\t} );\n\n\t\tcancelButtonView.set( {\n\t\t\tlabel: t( 'Cancel' ),\n\t\t\ticon: icons.cancel,\n\t\t\tclass: 'ck-button-cancel',\n\t\t\twithText: true\n\t\t} );\n\n\t\tcancelButtonView.delegate( 'execute' ).to( this, 'cancel' );\n\n\t\treturn {\n\t\t\tsaveButtonView, cancelButtonView\n\t\t};\n\t}\n\n\t/**\n\t * Provides localized labels for {@link #horizontalAlignmentToolbar} buttons.\n\t *\n\t * @private\n\t * @type {Object.<String,String>}\n\t */\n\tget _horizontalAlignmentLabels() {\n\t\tconst locale = this.locale;\n\t\tconst t = this.t;\n\n\t\tconst left = t( 'Align cell text to the left' );\n\t\tconst center = t( 'Align cell text to the center' );\n\t\tconst right = t( 'Align cell text to the right' );\n\t\tconst justify = t( 'Justify cell text' );\n\n\t\t// Returns object with a proper order of labels.\n\t\tif ( locale.uiLanguageDirection === 'rtl' ) {\n\t\t\treturn { right, center, left, justify };\n\t\t} else {\n\t\t\treturn { left, center, right, justify };\n\t\t}\n\t}\n\n\t/**\n\t * Provides localized labels for {@link #verticalAlignmentToolbar} buttons.\n\t *\n\t * @private\n\t * @type {Object.<String,String>}\n\t */\n\tget _verticalAlignmentLabels() {\n\t\tconst t = this.t;\n\n\t\treturn {\n\t\t\ttop: t( 'Align cell text to the top' ),\n\t\t\tmiddle: t( 'Align cell text to the middle' ),\n\t\t\tbottom: t( 'Align cell text to the bottom' )\n\t\t};\n\t}\n}\n\nfunction isBorderStyleSet( value ) {\n\treturn value !== 'none';\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m11.105 18-.17 1H2.5A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1h15A1.5 1.5 0 0 1 19 2.5v9.975l-.85-.124-.15-.302V8h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5h3.105zM2 12h5V8H2v4zm10-4H8v4h4V8zM2 2v5h5V2H2zm0 16h5v-5H2v5zM13 7h5V2h-5v5zM8 2v5h4V2H8z\\\" opacity=\\\".6\\\"/><path d=\\\"m15.5 11.5 1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM13 6a1 1 0 0 1 1 1v3.172a2.047 2.047 0 0 0-.293.443l-.858 1.736-1.916.28-.151.027A1.976 1.976 0 0 0 9.315 14H7a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h6zm-1 2H8v4h4V8z\\\"/></svg>\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/tablecellpropertiesui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView, clickOutsideHandler, ContextualBalloon, getLocalizedColorOptions, normalizeColorOptions } from 'ckeditor5/src/ui';\n\nimport TableCellPropertiesView from './ui/tablecellpropertiesview';\nimport {\n\tcolorFieldValidator,\n\tgetLocalizedColorErrorText,\n\tgetLocalizedLengthErrorText,\n\tdefaultColors,\n\tlengthFieldValidator,\n\tlineWidthFieldValidator\n} from '../utils/ui/table-properties';\nimport { debounce } from 'lodash-es';\nimport { getTableWidgetAncestor } from '../utils/ui/widget';\nimport { getBalloonCellPositionData, repositionContextualBalloon } from '../utils/ui/contextualballoon';\n\nimport tableCellProperties from './../../theme/icons/table-cell-properties.svg';\nimport { getNormalizedDefaultProperties } from '../utils/table-properties';\n\nconst ERROR_TEXT_TIMEOUT = 500;\n\n// Map of view properties and related commands.\nconst propertyToCommandMap = {\n\tborderStyle: 'tableCellBorderStyle',\n\tborderColor: 'tableCellBorderColor',\n\tborderWidth: 'tableCellBorderWidth',\n\twidth: 'tableCellWidth',\n\theight: 'tableCellHeight',\n\tpadding: 'tableCellPadding',\n\tbackgroundColor: 'tableCellBackgroundColor',\n\thorizontalAlignment: 'tableCellHorizontalAlignment',\n\tverticalAlignment: 'tableCellVerticalAlignment'\n};\n\n/**\n * The table cell properties UI plugin. It introduces the `'tableCellProperties'` button\n * that opens a form allowing to specify the visual styling of a table cell.\n *\n * It uses the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon plugin}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableCellPropertiesUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableCellPropertiesUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'table.tableCellProperties', {\n\t\t\tborderColors: defaultColors,\n\t\t\tbackgroundColors: defaultColors\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t/**\n\t\t * The default table cell properties.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:table/tablecellproperties~TableCellPropertiesOptions}\n\t\t */\n\t\tthis._defaultTableCellProperties = getNormalizedDefaultProperties(\n\t\t\teditor.config.get( 'table.tableCellProperties.defaultProperties' ),\n\t\t\t{\n\t\t\t\tincludeVerticalAlignmentProperty: true,\n\t\t\t\tincludeHorizontalAlignmentProperty: true,\n\t\t\t\tincludePaddingProperty: true,\n\t\t\t\tisRightToLeftContent: editor.locale.contentLanguageDirection === 'rtl'\n\t\t\t}\n\t\t);\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t/**\n\t\t * The cell properties form view displayed inside the balloon.\n\t\t *\n\t\t * @member {module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView}\n\t\t */\n\t\tthis.view = this._createPropertiesView();\n\n\t\t/**\n\t\t * The batch used to undo all changes made by the form (which are live, as the user types)\n\t\t * when \"Cancel\" was pressed. Each time the view is shown, a new batch is created.\n\t\t *\n\t\t * @protected\n\t\t * @member {module:engine/model/batch~Batch}\n\t\t */\n\t\tthis._undoStepBatch = null;\n\n\t\teditor.ui.componentFactory.add( 'tableCellProperties', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Cell properties' ),\n\t\t\t\ticon: tableCellProperties,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tthis.listenTo( view, 'execute', () => this._showView() );\n\n\t\t\tconst commands = Object.values( propertyToCommandMap )\n\t\t\t\t.map( commandName => editor.commands.get( commandName ) );\n\n\t\t\tview.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => (\n\t\t\t\tareEnabled.some( isCommandEnabled => isCommandEnabled )\n\t\t\t) );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1341.\n\t\tthis.view.destroy();\n\t}\n\n\t/**\n\t * Creates the {@link module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView} instance.\n\t *\n\t * @private\n\t * @returns {module:table/tablecellproperties/ui/tablecellpropertiesview~TableCellPropertiesView} The cell\n\t * properties form view instance.\n\t */\n\t_createPropertiesView() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\t\tconst config = editor.config.get( 'table.tableCellProperties' );\n\t\tconst borderColorsConfig = normalizeColorOptions( config.borderColors );\n\t\tconst localizedBorderColors = getLocalizedColorOptions( editor.locale, borderColorsConfig );\n\t\tconst backgroundColorsConfig = normalizeColorOptions( config.backgroundColors );\n\t\tconst localizedBackgroundColors = getLocalizedColorOptions( editor.locale, backgroundColorsConfig );\n\t\tconst view = new TableCellPropertiesView( editor.locale, {\n\t\t\tborderColors: localizedBorderColors,\n\t\t\tbackgroundColors: localizedBackgroundColors,\n\t\t\tdefaultTableCellProperties: this._defaultTableCellProperties\n\t\t} );\n\t\tconst t = editor.t;\n\n\t\t// Render the view so its #element is available for the clickOutsideHandler.\n\t\tview.render();\n\n\t\tthis.listenTo( view, 'submit', () => {\n\t\t\tthis._hideView();\n\t\t} );\n\n\t\tthis.listenTo( view, 'cancel', () => {\n\t\t\t// https://github.com/ckeditor/ckeditor5/issues/6180\n\t\t\tif ( this._undoStepBatch.operations.length ) {\n\t\t\t\teditor.execute( 'undo', this._undoStepBatch );\n\t\t\t}\n\n\t\t\tthis._hideView();\n\t\t} );\n\n\t\t// Close the balloon on Esc key press.\n\t\tview.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._hideView();\n\t\t\tcancel();\n\t\t} );\n\n\t\t// Reposition the balloon or hide the form if a table cell is no longer selected.\n\t\tthis.listenTo( editor.ui, 'update', () => {\n\t\t\tif ( !getTableWidgetAncestor( viewDocument.selection ) ) {\n\t\t\t\tthis._hideView();\n\t\t\t} else if ( this._isViewVisible ) {\n\t\t\t\trepositionContextualBalloon( editor, 'cell' );\n\t\t\t}\n\t\t} );\n\n\t\t// Close on click outside of balloon panel element.\n\t\tclickOutsideHandler( {\n\t\t\temitter: view,\n\t\t\tactivator: () => this._isViewInBalloon,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideView()\n\t\t} );\n\n\t\tconst colorErrorText = getLocalizedColorErrorText( t );\n\t\tconst lengthErrorText = getLocalizedLengthErrorText( t );\n\n\t\t// Create the \"UI -> editor data\" binding.\n\t\t// These listeners update the editor data (via table commands) when any observable\n\t\t// property of the view has changed. They also validate the value and display errors in the UI\n\t\t// when necessary. This makes the view live, which means the changes are\n\t\t// visible in the editing as soon as the user types or changes fields' values.\n\t\tview.on(\n\t\t\t'change:borderStyle',\n\t\t\tthis._getPropertyChangeCallback( 'tableCellBorderStyle', this._defaultTableCellProperties.borderStyle )\n\t\t);\n\n\t\tview.on( 'change:borderColor', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.borderColorInput,\n\t\t\tcommandName: 'tableCellBorderColor',\n\t\t\terrorText: colorErrorText,\n\t\t\tvalidator: colorFieldValidator,\n\t\t\tdefaultValue: this._defaultTableCellProperties.borderColor\n\t\t} ) );\n\n\t\tview.on( 'change:borderWidth', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.borderWidthInput,\n\t\t\tcommandName: 'tableCellBorderWidth',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lineWidthFieldValidator,\n\t\t\tdefaultValue: this._defaultTableCellProperties.borderWidth\n\t\t} ) );\n\n\t\tview.on( 'change:padding', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.paddingInput,\n\t\t\tcommandName: 'tableCellPadding',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator,\n\t\t\tdefaultValue: this._defaultTableCellProperties.padding\n\t\t} ) );\n\n\t\tview.on( 'change:width', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.widthInput,\n\t\t\tcommandName: 'tableCellWidth',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator,\n\t\t\tdefaultValue: this._defaultTableCellProperties.width\n\t\t} ) );\n\n\t\tview.on( 'change:height', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.heightInput,\n\t\t\tcommandName: 'tableCellHeight',\n\t\t\terrorText: lengthErrorText,\n\t\t\tvalidator: lengthFieldValidator,\n\t\t\tdefaultValue: this._defaultTableCellProperties.height\n\t\t} ) );\n\n\t\tview.on( 'change:backgroundColor', this._getValidatedPropertyChangeCallback( {\n\t\t\tviewField: view.backgroundInput,\n\t\t\tcommandName: 'tableCellBackgroundColor',\n\t\t\terrorText: colorErrorText,\n\t\t\tvalidator: colorFieldValidator,\n\t\t\tdefaultValue: this._defaultTableCellProperties.backgroundColor\n\t\t} ) );\n\n\t\tview.on(\n\t\t\t'change:horizontalAlignment',\n\t\t\tthis._getPropertyChangeCallback( 'tableCellHorizontalAlignment', this._defaultTableCellProperties.horizontalAlignment )\n\t\t);\n\t\tview.on(\n\t\t\t'change:verticalAlignment',\n\t\t\tthis._getPropertyChangeCallback( 'tableCellVerticalAlignment', this._defaultTableCellProperties.verticalAlignment )\n\t\t);\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * In this method the \"editor data -> UI\" binding is happening.\n\t *\n\t * When executed, this method obtains selected cell property values from various table commands\n\t * and passes them to the {@link #view}.\n\t *\n\t * This way, the UI stays up–to–date with the editor data.\n\t *\n\t * @private\n\t */\n\t_fillViewFormFromCommandValues() {\n\t\tconst commands = this.editor.commands;\n\t\tconst borderStyleCommand = commands.get( 'tableCellBorderStyle' );\n\n\t\tObject.entries( propertyToCommandMap )\n\t\t\t.map( ( [ property, commandName ] ) => {\n\t\t\t\tconst defaultValue = this._defaultTableCellProperties[ property ] || '';\n\n\t\t\t\treturn [ property, commands.get( commandName ).value || defaultValue ];\n\t\t\t} )\n\t\t\t.forEach( ( [ property, value ] ) => {\n\t\t\t\t// Do not set the `border-color` and `border-width` fields if `border-style:none`.\n\t\t\t\tif ( ( property === 'borderColor' || property === 'borderWidth' ) && borderStyleCommand.value === 'none' ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tthis.view.set( property, value );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Shows the {@link #view} in the {@link #_balloon}.\n\t *\n\t * **Note**: Each time a view is shown, a new {@link #_undoStepBatch} is created. It contains\n\t * all changes made to the document when the view is visible, allowing a single undo step\n\t * for all of them.\n\t *\n\t * @protected\n\t */\n\t_showView() {\n\t\tconst editor = this.editor;\n\n\t\t// Update the view with the model values.\n\t\tthis._fillViewFormFromCommandValues();\n\n\t\tthis._balloon.add( {\n\t\t\tview: this.view,\n\t\t\tposition: getBalloonCellPositionData( editor )\n\t\t} );\n\n\t\t// Create a new batch. Clicking \"Cancel\" will undo this batch.\n\t\tthis._undoStepBatch = editor.model.createBatch();\n\n\t\t// Basic a11y.\n\t\tthis.view.focus();\n\t}\n\n\t/**\n\t * Removes the {@link #view} from the {@link #_balloon}.\n\t *\n\t * @protected\n\t */\n\t_hideView() {\n\t\tif ( !this._isViewInBalloon ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\n\t\tthis.stopListening( editor.ui, 'update' );\n\n\t\t// Blur any input element before removing it from DOM to prevent issues in some browsers.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1501.\n\t\tthis.view.saveButtonView.focus();\n\n\t\tthis._balloon.remove( this.view );\n\n\t\t// Make sure the focus is not lost in the process by putting it directly\n\t\t// into the editing view.\n\t\tthis.editor.editing.view.focus();\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #view} is visible in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isViewVisible() {\n\t\treturn this._balloon.visibleView === this.view;\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #view} is in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isViewInBalloon() {\n\t\treturn this._balloon.hasView( this.view );\n\t}\n\n\t/**\n\t * Creates a callback that when executed upon the {@link #view view's} property change\n\t * executes a related editor command with the new property value.\n\t *\n\t * @private\n\t * @param {String} commandName\n\t * @param {String} defaultValue The default value of the command.\n\t * @returns {Function}\n\t */\n\t_getPropertyChangeCallback( commandName, defaultValue ) {\n\t\treturn ( evt, propertyName, newValue, oldValue ) => {\n\t\t\t// If the \"oldValue\" is missing and \"newValue\" is set to the default value, do not execute the command.\n\t\t\t// It is an initial call (when opening the table properties view).\n\t\t\tif ( !oldValue && defaultValue === newValue ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tthis.editor.execute( commandName, {\n\t\t\t\tvalue: newValue,\n\t\t\t\tbatch: this._undoStepBatch\n\t\t\t} );\n\t\t};\n\t}\n\n\t/**\n\t * Creates a callback that when executed upon the {@link #view view's} property change:\n\t * * Executes a related editor command with the new property value if the value is valid,\n\t * * Or sets the error text next to the invalid field, if the value did not pass the validation.\n\t *\n\t * @private\n\t * @param {Object} options\n\t * @param {String} options.commandName\n\t * @param {module:ui/view~View} options.viewField\n\t * @param {Function} options.validator\n\t * @param {String} options.errorText\n\t * @param {String} options.defaultValue\n\t * @returns {Function}\n\t */\n\t_getValidatedPropertyChangeCallback( options ) {\n\t\tconst { commandName, viewField, validator, errorText, defaultValue } = options;\n\t\tconst setErrorTextDebounced = debounce( () => {\n\t\t\tviewField.errorText = errorText;\n\t\t}, ERROR_TEXT_TIMEOUT );\n\n\t\treturn ( evt, propertyName, newValue, oldValue ) => {\n\t\t\tsetErrorTextDebounced.cancel();\n\n\t\t\t// If the \"oldValue\" is missing and \"newValue\" is set to the default value, do not execute the command.\n\t\t\t// It is an initial call (when opening the table properties view).\n\t\t\tif ( !oldValue && defaultValue === newValue ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( validator( newValue ) ) {\n\t\t\t\tthis.editor.execute( commandName, {\n\t\t\t\t\tvalue: newValue,\n\t\t\t\t\tbatch: this._undoStepBatch\n\t\t\t\t} );\n\n\t\t\t\tviewField.errorText = null;\n\t\t\t} else {\n\t\t\t\tsetErrorTextDebounced();\n\t\t\t}\n\t\t};\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellpropertycommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { getSelectionAffectedTableCells } from '../../utils/selection';\n\n/**\n * The table cell attribute command.\n *\n * The command is a base command for other table cell property commands.\n *\n * @extends module:core/command~Command\n */\nexport default class TableCellPropertyCommand extends Command {\n\t/**\n\t * Creates a new `TableCellPropertyCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} attributeName Table cell attribute name.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, attributeName, defaultValue ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The attribute that will be set by the command.\n\t\t *\n\t\t * @readonly\n\t\t * @member {String}\n\t\t */\n\t\tthis.attributeName = attributeName;\n\n\t\t/**\n\t\t * The default value for the attribute.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {String}\n\t\t */\n\t\tthis._defaultValue = defaultValue;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst selectedTableCells = getSelectionAffectedTableCells( editor.model.document.selection );\n\n\t\tthis.isEnabled = !!selectedTableCells.length;\n\t\tthis.value = this._getSingleValue( selectedTableCells );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} [options]\n\t * @param {*} [options.value] If set, the command will set the attribute on selected table cells.\n\t * If it is not set, the command will remove the attribute from the selected table cells.\n\t * @param {module:engine/model/batch~Batch} [options.batch] Pass the model batch instance to the command to aggregate changes,\n\t * for example to allow a single undo step for multiple executions.\n\t */\n\texecute( options = {} ) {\n\t\tconst { value, batch } = options;\n\t\tconst model = this.editor.model;\n\t\tconst tableCells = getSelectionAffectedTableCells( model.document.selection );\n\t\tconst valueToSet = this._getValueToSet( value );\n\n\t\tmodel.enqueueChange( batch, writer => {\n\t\t\tif ( valueToSet ) {\n\t\t\t\ttableCells.forEach( tableCell => writer.setAttribute( this.attributeName, valueToSet, tableCell ) );\n\t\t\t} else {\n\t\t\t\ttableCells.forEach( tableCell => writer.removeAttribute( this.attributeName, tableCell ) );\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Returns the attribute value for a table cell.\n\t *\n\t * @param {module:engine/model/element~Element} tableCell\n\t * @returns {String|undefined}\n\t * @private\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = tableCell.getAttribute( this.attributeName );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n\n\t/**\n\t * Returns the proper model value. It can be used to add a default unit to numeric values.\n\t *\n\t * @private\n\t * @param {*} value\n\t * @returns {*}\n\t */\n\t_getValueToSet( value ) {\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n\n\t/**\n\t * Returns a single value for all selected table cells. If the value is the same for all cells,\n\t * it will be returned (`undefined` otherwise).\n\t *\n\t * @param {Array.<module:engine/model/element~Element>} tableCell\n\t * @returns {*}\n\t * @private\n\t */\n\t_getSingleValue( tableCell ) {\n\t\tconst firstCellValue = this._getAttribute( tableCell[ 0 ] );\n\n\t\tconst everyCellHasAttribute = tableCell.every( tableCell => this._getAttribute( tableCell ) === firstCellValue );\n\n\t\treturn everyCellHasAttribute ? firstCellValue : undefined;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellpaddingcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { addDefaultUnitToNumericValue, getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table cell padding command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellPadding'` editor command.\n *\n * To change the padding of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellPadding', {\n *\t\t\tvalue: '5px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableCellPadding', {\n *\t\t\tvalue: '5'\n *\t\t} );\n *\n * will set the `padding` attribute to `'5px'` in the model.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellPaddingCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellPaddingCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellPadding', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = getSingleValue( tableCell.getAttribute( this.attributeName ) );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\tvalue = addDefaultUnitToNumericValue( value, 'px' );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellwidthcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { addDefaultUnitToNumericValue } from '../../utils/table-properties';\n\n/**\n * The table cell width command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellWidth'` editor command.\n *\n * To change the width of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellWidth', {\n *\t\t\tvalue: '50px'\n *\t\t} );\n *\n * **Note**: This command adds a default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableCellWidth', {\n *\t\t\tvalue: '50'\n *\t\t} );\n *\n * will set the `width` attribute to `'50px'` in the model.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellWidthCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellWidthCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellWidth', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\tvalue = addDefaultUnitToNumericValue( value, 'px' );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellheightcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { addDefaultUnitToNumericValue } from '../../utils/table-properties';\n\n/**\n * The table cell height command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellHeight'` editor command.\n *\n * To change the height of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellHeight', {\n *\t\t\tvalue: '50px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableCellHeight', {\n *\t\t\tvalue: '50'\n *\t\t} );\n *\n * will set the `height` attribute to `'50px'` in the model.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellHeightCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellHeightCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellHeight', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\tvalue = addDefaultUnitToNumericValue( value, 'px' );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn null;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellbackgroundcolorcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\n\n/**\n * The table cell background color command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellBackgroundColor'` editor command.\n *\n * To change the background color of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellBackgroundColor', {\n *\t\t\tvalue: '#f00'\n *\t\t} );\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellBackgroundColorCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellBackgroundColorCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellBackgroundColor', defaultValue );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellverticalalignmentcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\n\n/**\n * The table cell vertical alignment command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellVerticalAlignment'` editor command.\n *\n * To change the vertical text alignment of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellVerticalAlignment', {\n *\t\t\tvalue: 'top'\n *\t\t} );\n *\n * The following values, corresponding to the\n * [`vertical-align` CSS attribute](https://developer.mozilla.org/en-US/docs/Web/CSS/vertical-align), are allowed:\n *\n * * `'top'`\n * * `'bottom'`\n *\n * The `'middle'` value is the default one so there is no need to set it.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellVerticalAlignmentCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellVerticalAlignmentCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value for the \"alignment\" attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellVerticalAlignment', defaultValue );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellhorizontalalignmentcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\n\n/**\n * The table cell horizontal alignment command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellHorizontalAlignment'` editor command.\n *\n * To change the horizontal text alignment of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellHorizontalAlignment', {\n *\t\t\tvalue: 'right'\n *\t\t} );\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellHorizontalAlignmentCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellHorizontalAlignmentCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value for the \"alignment\" attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellHorizontalAlignment', defaultValue );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellborderstylecommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table cell border style command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellBorderStyle'` editor command.\n *\n * To change the border style of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellBorderStyle', {\n *\t\t\tvalue: 'dashed'\n *\t\t} );\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellBorderStyleCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellBorderStyleCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellBorderStyle', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = getSingleValue( tableCell.getAttribute( this.attributeName ) );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellbordercolorcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table cell border color command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellBorderColor'` editor command.\n *\n * To change the border color of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellBorderColor', {\n *\t\t\tvalue: '#f00'\n *\t\t} );\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellBorderColorCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellBorderColorCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellBorderColor', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = getSingleValue( tableCell.getAttribute( this.attributeName ) );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/commands/tablecellborderwidthcommand\n */\n\nimport TableCellPropertyCommand from './tablecellpropertycommand';\nimport { addDefaultUnitToNumericValue, getSingleValue } from '../../utils/table-properties';\n\n/**\n * The table cell border width command.\n *\n * The command is registered by the {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing} as\n * the `'tableCellBorderWidth'` editor command.\n *\n * To change the border width of selected cells, execute the command:\n *\n *\t\teditor.execute( 'tableCellBorderWidth', {\n *\t\t\tvalue: '5px'\n *\t\t} );\n *\n * **Note**: This command adds the default `'px'` unit to numeric values. Executing:\n *\n *\t\teditor.execute( 'tableCellBorderWidth', {\n *\t\t\tvalue: '5'\n *\t\t} );\n *\n * will set the `borderWidth` attribute to `'5px'` in the model.\n *\n * @extends module:table/tablecellproperties/commands/tablecellpropertycommand~TableCellPropertyCommand\n */\nexport default class TableCellBorderWidthCommand extends TableCellPropertyCommand {\n\t/**\n\t * Creates a new `TableCellBorderWidthCommand` instance.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor An editor in which this command will be used.\n\t * @param {String} defaultValue The default value of the attribute.\n\t */\n\tconstructor( editor, defaultValue ) {\n\t\tsuper( editor, 'tableCellBorderWidth', defaultValue );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getAttribute( tableCell ) {\n\t\tif ( !tableCell ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst value = getSingleValue( tableCell.getAttribute( this.attributeName ) );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\t_getValueToSet( value ) {\n\t\tvalue = addDefaultUnitToNumericValue( value, 'px' );\n\n\t\tif ( value === this._defaultValue ) {\n\t\t\treturn;\n\t\t}\n\n\t\treturn value;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties/tablecellpropertiesediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { addBorderRules, addPaddingRules, addBackgroundRules } from 'ckeditor5/src/engine';\n\nimport { downcastAttributeToStyle, upcastStyleToAttribute, upcastBorderStyles } from './../converters/tableproperties';\nimport TableEditing from './../tableediting';\nimport TableCellPaddingCommand from './commands/tablecellpaddingcommand';\nimport TableCellWidthCommand from './commands/tablecellwidthcommand';\nimport TableCellHeightCommand from './commands/tablecellheightcommand';\nimport TableCellBackgroundColorCommand from './commands/tablecellbackgroundcolorcommand';\nimport TableCellVerticalAlignmentCommand from './commands/tablecellverticalalignmentcommand';\nimport TableCellHorizontalAlignmentCommand from './commands/tablecellhorizontalalignmentcommand';\nimport TableCellBorderStyleCommand from './commands/tablecellborderstylecommand';\nimport TableCellBorderColorCommand from './commands/tablecellbordercolorcommand';\nimport TableCellBorderWidthCommand from './commands/tablecellborderwidthcommand';\nimport { getNormalizedDefaultProperties } from '../utils/table-properties';\n\nconst VALIGN_VALUES_REG_EXP = /^(top|middle|bottom)$/;\nconst ALIGN_VALUES_REG_EXP = /^(left|center|right|justify)$/;\n\n/**\n * The table cell properties editing feature.\n *\n * Introduces table cell model attributes and their conversion:\n *\n * - border: `tableCellBorderStyle`, `tableCellBorderColor` and `tableCellBorderWidth`\n * - background color: `tableCellBackgroundColor`\n * - cell padding: `tableCellPadding`\n * - horizontal and vertical alignment: `tableCellHorizontalAlignment`, `tableCellVerticalAlignment`\n * - cell width and height: `tableCellWidth`, `tableCellHeight`\n *\n * It also registers commands used to manipulate the above attributes:\n *\n * - border: the `'tableCellBorderStyle'`, `'tableCellBorderColor'` and `'tableCellBorderWidth'` commands\n * - background color: the `'tableCellBackgroundColor'` command\n * - cell padding: the `'tableCellPadding'` command\n * - horizontal and vertical alignment: the `'tableCellHorizontalAlignment'` and `'tableCellVerticalAlignment'` commands\n * - width and height: the `'tableCellWidth'` and `'tableCellHeight'` commands\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableCellPropertiesEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableCellPropertiesEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\n\t\teditor.config.define( 'table.tableCellProperties.defaultProperties', {} );\n\n\t\tconst defaultTableCellProperties = getNormalizedDefaultProperties(\n\t\t\teditor.config.get( 'table.tableCellProperties.defaultProperties' ),\n\t\t\t{\n\t\t\t\tincludeVerticalAlignmentProperty: true,\n\t\t\t\tincludeHorizontalAlignmentProperty: true,\n\t\t\t\tincludePaddingProperty: true,\n\t\t\t\tisRightToLeftContent: editor.locale.contentLanguageDirection === 'rtl'\n\t\t\t}\n\t\t);\n\n\t\teditor.data.addStyleProcessorRules( addBorderRules );\n\t\tenableBorderProperties( schema, conversion, {\n\t\t\tcolor: defaultTableCellProperties.borderColor,\n\t\t\tstyle: defaultTableCellProperties.borderStyle,\n\t\t\twidth: defaultTableCellProperties.borderWidth\n\t\t} );\n\t\teditor.commands.add( 'tableCellBorderStyle', new TableCellBorderStyleCommand( editor, defaultTableCellProperties.borderStyle ) );\n\t\teditor.commands.add( 'tableCellBorderColor', new TableCellBorderColorCommand( editor, defaultTableCellProperties.borderColor ) );\n\t\teditor.commands.add( 'tableCellBorderWidth', new TableCellBorderWidthCommand( editor, defaultTableCellProperties.borderWidth ) );\n\n\t\tenableProperty( schema, conversion, {\n\t\t\tmodelAttribute: 'tableCellWidth',\n\t\t\tstyleName: 'width',\n\t\t\tdefaultValue: defaultTableCellProperties.width\n\t\t} );\n\t\teditor.commands.add( 'tableCellWidth', new TableCellWidthCommand( editor, defaultTableCellProperties.width ) );\n\n\t\tenableProperty( schema, conversion, {\n\t\t\tmodelAttribute: 'tableCellHeight',\n\t\t\tstyleName: 'height',\n\t\t\tdefaultValue: defaultTableCellProperties.height\n\t\t} );\n\t\teditor.commands.add( 'tableCellHeight', new TableCellHeightCommand( editor, defaultTableCellProperties.height ) );\n\n\t\teditor.data.addStyleProcessorRules( addPaddingRules );\n\t\tenableProperty( schema, conversion, {\n\t\t\tmodelAttribute: 'tableCellPadding',\n\t\t\tstyleName: 'padding',\n\t\t\treduceBoxSides: true,\n\t\t\tdefaultValue: defaultTableCellProperties.padding\n\t\t} );\n\t\teditor.commands.add( 'tableCellPadding', new TableCellPaddingCommand( editor, defaultTableCellProperties.padding ) );\n\n\t\teditor.data.addStyleProcessorRules( addBackgroundRules );\n\t\tenableProperty( schema, conversion, {\n\t\t\tmodelAttribute: 'tableCellBackgroundColor',\n\t\t\tstyleName: 'background-color',\n\t\t\tdefaultValue: defaultTableCellProperties.backgroundColor\n\t\t} );\n\t\teditor.commands.add(\n\t\t\t'tableCellBackgroundColor',\n\t\t\tnew TableCellBackgroundColorCommand( editor, defaultTableCellProperties.backgroundColor )\n\t\t);\n\n\t\tenableHorizontalAlignmentProperty( schema, conversion, defaultTableCellProperties.horizontalAlignment );\n\t\teditor.commands.add(\n\t\t\t'tableCellHorizontalAlignment',\n\t\t\tnew TableCellHorizontalAlignmentCommand( editor, defaultTableCellProperties.horizontalAlignment )\n\t\t);\n\n\t\tenableVerticalAlignmentProperty( schema, conversion, defaultTableCellProperties.verticalAlignment );\n\t\teditor.commands.add(\n\t\t\t'tableCellVerticalAlignment',\n\t\t\tnew TableCellVerticalAlignmentCommand( editor, defaultTableCellProperties.verticalAlignment )\n\t\t);\n\t}\n}\n\n// Enables the `'tableCellBorderStyle'`, `'tableCellBorderColor'` and `'tableCellBorderWidth'` attributes for table cells.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {Object} defaultBorder The default border values.\n// @param {String} defaultBorder.color The default `tableCellBorderColor` value.\n// @param {String} defaultBorder.style The default `tableCellBorderStyle` value.\n// @param {String} defaultBorder.width The default `tableCellBorderWidth` value.\nfunction enableBorderProperties( schema, conversion, defaultBorder ) {\n\tconst modelAttributes = {\n\t\twidth: 'tableCellBorderWidth',\n\t\tcolor: 'tableCellBorderColor',\n\t\tstyle: 'tableCellBorderStyle'\n\t};\n\n\tschema.extend( 'tableCell', {\n\t\tallowAttributes: Object.values( modelAttributes )\n\t} );\n\n\tupcastBorderStyles( conversion, 'td', modelAttributes, defaultBorder );\n\tupcastBorderStyles( conversion, 'th', modelAttributes, defaultBorder );\n\tdowncastAttributeToStyle( conversion, { modelElement: 'tableCell', modelAttribute: modelAttributes.style, styleName: 'border-style' } );\n\tdowncastAttributeToStyle( conversion, { modelElement: 'tableCell', modelAttribute: modelAttributes.color, styleName: 'border-color' } );\n\tdowncastAttributeToStyle( conversion, { modelElement: 'tableCell', modelAttribute: modelAttributes.width, styleName: 'border-width' } );\n}\n\n// Enables the `'tableCellHorizontalAlignment'` attribute for table cells.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {module:utils/locale~Locale} locale The {@link module:core/editor/editor~Editor#locale} instance.\n// @param {String} defaultValue The default horizontal alignment value.\nfunction enableHorizontalAlignmentProperty( schema, conversion, defaultValue ) {\n\tschema.extend( 'tableCell', {\n\t\tallowAttributes: [ 'tableCellHorizontalAlignment' ]\n\t} );\n\n\tconversion.for( 'downcast' )\n\t\t.attributeToAttribute( {\n\t\t\tmodel: {\n\t\t\t\tname: 'tableCell',\n\t\t\t\tkey: 'tableCellHorizontalAlignment'\n\t\t\t},\n\t\t\tview: alignment => ( {\n\t\t\t\tkey: 'style',\n\t\t\t\tvalue: {\n\t\t\t\t\t'text-align': alignment\n\t\t\t\t}\n\t\t\t} )\n\t\t} );\n\n\tconversion.for( 'upcast' )\n\t\t// Support for the `text-align:*;` CSS definition for the table cell alignment.\n\t\t.attributeToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: /^(td|th)$/,\n\t\t\t\tstyles: {\n\t\t\t\t\t'text-align': ALIGN_VALUES_REG_EXP\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'tableCellHorizontalAlignment',\n\t\t\t\tvalue: viewElement => {\n\t\t\t\t\tconst align = viewElement.getStyle( 'text-align' );\n\n\t\t\t\t\treturn align === defaultValue ? null : align;\n\t\t\t\t}\n\t\t\t}\n\t\t} )\n\t\t// Support for the `align` attribute as the backward compatibility while pasting from other sources.\n\t\t.attributeToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: /^(td|th)$/,\n\t\t\t\tattributes: {\n\t\t\t\t\talign: ALIGN_VALUES_REG_EXP\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'tableCellHorizontalAlignment',\n\t\t\t\tvalue: viewElement => {\n\t\t\t\t\tconst align = viewElement.getAttribute( 'align' );\n\n\t\t\t\t\treturn align === defaultValue ? null : align;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n}\n\n// Enables the `'verticalAlignment'` attribute for table cells.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {String} defaultValue The default vertical alignment value.\nfunction enableVerticalAlignmentProperty( schema, conversion, defaultValue ) {\n\tschema.extend( 'tableCell', {\n\t\tallowAttributes: [ 'tableCellVerticalAlignment' ]\n\t} );\n\n\tconversion.for( 'downcast' )\n\t\t.attributeToAttribute( {\n\t\t\tmodel: {\n\t\t\t\tname: 'tableCell',\n\t\t\t\tkey: 'tableCellVerticalAlignment'\n\t\t\t},\n\t\t\tview: alignment => ( {\n\t\t\t\tkey: 'style',\n\t\t\t\tvalue: {\n\t\t\t\t\t'vertical-align': alignment\n\t\t\t\t}\n\t\t\t} )\n\t\t} );\n\n\tconversion.for( 'upcast' )\n\t\t// Support for the `vertical-align:*;` CSS definition for the table cell alignment.\n\t\t.attributeToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: /^(td|th)$/,\n\t\t\t\tstyles: {\n\t\t\t\t\t'vertical-align': VALIGN_VALUES_REG_EXP\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'tableCellVerticalAlignment',\n\t\t\t\tvalue: viewElement => {\n\t\t\t\t\tconst align = viewElement.getStyle( 'vertical-align' );\n\n\t\t\t\t\treturn align === defaultValue ? null : align;\n\t\t\t\t}\n\t\t\t}\n\t\t} )\n\t\t// Support for the `align` attribute as the backward compatibility while pasting from other sources.\n\t\t.attributeToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: /^(td|th)$/,\n\t\t\t\tattributes: {\n\t\t\t\t\tvalign: VALIGN_VALUES_REG_EXP\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'tableCellVerticalAlignment',\n\t\t\t\tvalue: viewElement => {\n\t\t\t\t\tconst valign = viewElement.getAttribute( 'valign' );\n\n\t\t\t\t\treturn valign === defaultValue ? null : valign;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n}\n\n// Enables conversion for an attribute for simple view-model mappings.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/conversion/conversion~Conversion} conversion\n// @param {Object} options\n// @param {String} options.modelAttribute\n// @param {String} options.styleName\n// @param {String} options.defaultValue The default value for the specified `modelAttribute`.\n// @param {Boolean} [options.reduceBoxSides=false]\nfunction enableProperty( schema, conversion, options ) {\n\tconst { modelAttribute } = options;\n\n\tschema.extend( 'tableCell', {\n\t\tallowAttributes: [ modelAttribute ]\n\t} );\n\n\tupcastStyleToAttribute( conversion, { viewElement: /^(td|th)$/, ...options } );\n\tdowncastAttributeToStyle( conversion, { modelElement: 'tableCell', ...options } );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/list\n */\n\nimport { Matcher, UpcastWriter } from 'ckeditor5/src/engine';\n\n/**\n * Transforms Word specific list-like elements to the semantic HTML lists.\n *\n * Lists in Word are represented by block elements with special attributes like:\n *\n *\t\t<p class=MsoListParagraphCxSpFirst style='mso-list:l1 level1 lfo1'>...</p> // Paragraph based list.\n *\t\t<h1 style='mso-list:l0 level1 lfo1'>...</h1> // Heading 1 based list.\n *\n * @param {module:engine/view/documentfragment~DocumentFragment} documentFragment The view structure to be transformed.\n * @param {String} stylesString Styles from which list-like elements styling will be extracted.\n */\nexport function transformListItemLikeElementsIntoLists( documentFragment, stylesString ) {\n\tif ( !documentFragment.childCount ) {\n\t\treturn;\n\t}\n\n\tconst writer = new UpcastWriter( documentFragment.document );\n\tconst itemLikeElements = findAllItemLikeElements( documentFragment, writer );\n\n\tif ( !itemLikeElements.length ) {\n\t\treturn;\n\t}\n\n\tlet currentList = null;\n\tlet currentIndentation = 1;\n\n\titemLikeElements.forEach( ( itemLikeElement, i ) => {\n\t\tconst isDifferentList = isNewListNeeded( itemLikeElements[ i - 1 ], itemLikeElement );\n\t\tconst previousItemLikeElement = isDifferentList ? null : itemLikeElements[ i - 1 ];\n\t\tconst indentationDifference = getIndentationDifference( previousItemLikeElement, itemLikeElement );\n\n\t\tif ( isDifferentList ) {\n\t\t\tcurrentList = null;\n\t\t\tcurrentIndentation = 1;\n\t\t}\n\n\t\tif ( !currentList || indentationDifference !== 0 ) {\n\t\t\tconst listStyle = detectListStyle( itemLikeElement, stylesString );\n\n\t\t\tif ( !currentList ) {\n\t\t\t\tcurrentList = insertNewEmptyList( listStyle, itemLikeElement.element, writer );\n\t\t\t} else if ( itemLikeElement.indent > currentIndentation ) {\n\t\t\t\tconst lastListItem = currentList.getChild( currentList.childCount - 1 );\n\t\t\t\tconst lastListItemChild = lastListItem.getChild( lastListItem.childCount - 1 );\n\n\t\t\t\tcurrentList = insertNewEmptyList( listStyle, lastListItemChild, writer );\n\t\t\t\tcurrentIndentation += 1;\n\t\t\t} else if ( itemLikeElement.indent < currentIndentation ) {\n\t\t\t\tconst differentIndentation = currentIndentation - itemLikeElement.indent;\n\n\t\t\t\tcurrentList = findParentListAtLevel( currentList, differentIndentation );\n\t\t\t\tcurrentIndentation = parseInt( itemLikeElement.indent );\n\t\t\t}\n\n\t\t\tif ( itemLikeElement.indent <= currentIndentation ) {\n\t\t\t\tif ( !currentList.is( 'element', listStyle.type ) ) {\n\t\t\t\t\tcurrentList = writer.rename( listStyle.type, currentList );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tconst listItem = transformElementIntoListItem( itemLikeElement.element, writer );\n\n\t\twriter.appendChild( listItem, currentList );\n\t} );\n}\n\n/**\n * Removes paragraph wrapping content inside a list item.\n *\n * @param {module:engine/view/documentfragment~DocumentFragment} documentFragment\n * @param {module:engine/view/upcastwriter~UpcastWriter} writer\n */\nexport function unwrapParagraphInListItem( documentFragment, writer ) {\n\tfor ( const value of writer.createRangeIn( documentFragment ) ) {\n\t\tconst element = value.item;\n\n\t\tif ( element.is( 'element', 'li' ) ) {\n\t\t\t// Google Docs allows for single paragraph inside LI.\n\t\t\tconst firstChild = element.getChild( 0 );\n\n\t\t\tif ( firstChild && firstChild.is( 'element', 'p' ) ) {\n\t\t\t\twriter.unwrapElement( firstChild );\n\t\t\t}\n\t\t}\n\t}\n}\n\n// Finds all list-like elements in a given document fragment.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment\n// in which to look for list-like nodes.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {Array.<Object>} Array of found list-like items. Each item is an object containing:\n//\n//\t\t* {module:engine/src/view/element~Element} element List-like element.\n//\t\t* {Number} id List item id parsed from `mso-list` style (see `getListItemData()` function).\n//\t\t* {Number} order List item creation order parsed from `mso-list` style (see `getListItemData()` function).\n//\t\t* {Number} indent List item indentation level parsed from `mso-list` style (see `getListItemData()` function).\nfunction findAllItemLikeElements( documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\t// Matcher for finding list-like elements.\n\tconst itemLikeElementsMatcher = new Matcher( {\n\t\tname: /^p|h\\d+$/,\n\t\tstyles: {\n\t\t\t'mso-list': /.*/\n\t\t}\n\t} );\n\n\tconst itemLikeElements = [];\n\n\tfor ( const value of range ) {\n\t\tif ( value.type === 'elementStart' && itemLikeElementsMatcher.match( value.item ) ) {\n\t\t\tconst itemData = getListItemData( value.item );\n\n\t\t\titemLikeElements.push( {\n\t\t\t\telement: value.item,\n\t\t\t\tid: itemData.id,\n\t\t\t\torder: itemData.order,\n\t\t\t\tindent: itemData.indent\n\t\t\t} );\n\t\t}\n\t}\n\n\treturn itemLikeElements;\n}\n\n// Extracts list item style from the provided CSS.\n//\n// List item style is extracted from the CSS stylesheet. Each list with its specific style attribute\n// value (`mso-list:l1 level1 lfo1`) has its dedicated properties in a CSS stylesheet defined with a selector like:\n//\n// \t\t@list l1:level1 { ... }\n//\n// It contains `mso-level-number-format` property which defines list numbering/bullet style. If this property\n// is not defined it means default `decimal` numbering.\n//\n// Here CSS string representation is used as `mso-level-number-format` property is an invalid CSS property\n// and will be removed during CSS parsing.\n//\n// @param {Object} listLikeItem List-like item for which list style will be searched for. Usually\n// a result of `findAllItemLikeElements()` function.\n// @param {String} stylesString CSS stylesheet.\n// @returns {Object} result\n// @returns {String} result.type List type, could be `ul` or `ol`.\n// @returns {Number} result.startIndex List start index, valid only for ordered lists.\n// @returns {String|null} result.style List style, for example: `decimal`, `lower-roman`, etc. It is extracted\n// directly from Word stylesheet and adjusted to represent proper values for the CSS `list-style-type` property.\n// If it cannot be adjusted, the `null` value is returned.\nfunction detectListStyle( listLikeItem, stylesString ) {\n\tconst listStyleRegexp = new RegExp( `@list l${ listLikeItem.id }:level${ listLikeItem.indent }\\\\s*({[^}]*)`, 'gi' );\n\tconst listStyleTypeRegex = /mso-level-number-format:([^;]{0,100});/gi;\n\tconst listStartIndexRegex = /mso-level-start-at:\\s{0,100}([0-9]{0,10})\\s{0,100};/gi;\n\n\tconst listStyleMatch = listStyleRegexp.exec( stylesString );\n\n\tlet listStyleType = 'decimal'; // Decimal is default one.\n\tlet type = 'ol'; // <ol> is default list.\n\tlet startIndex = null;\n\n\tif ( listStyleMatch && listStyleMatch[ 1 ] ) {\n\t\tconst listStyleTypeMatch = listStyleTypeRegex.exec( listStyleMatch[ 1 ] );\n\n\t\tif ( listStyleTypeMatch && listStyleTypeMatch[ 1 ] ) {\n\t\t\tlistStyleType = listStyleTypeMatch[ 1 ].trim();\n\t\t\ttype = listStyleType !== 'bullet' && listStyleType !== 'image' ? 'ol' : 'ul';\n\t\t}\n\n\t\t// Styles for the numbered lists are always defined in the Word CSS stylesheet.\n\t\t// Unordered lists MAY contain a value for the Word CSS definition `mso-level-text` but sometimes\n\t\t// this tag is missing. And because of that, we cannot depend on that. We need to predict the list style value\n\t\t// based on the list style marker element.\n\t\tif ( listStyleType === 'bullet' ) {\n\t\t\tconst bulletedStyle = findBulletedListStyle( listLikeItem.element );\n\n\t\t\tif ( bulletedStyle ) {\n\t\t\t\tlistStyleType = bulletedStyle;\n\t\t\t}\n\t\t} else {\n\t\t\tconst listStartIndexMatch = listStartIndexRegex.exec( listStyleMatch[ 1 ] );\n\n\t\t\tif ( listStartIndexMatch && listStartIndexMatch[ 1 ] ) {\n\t\t\t\tstartIndex = parseInt( listStartIndexMatch[ 1 ] );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn {\n\t\ttype,\n\t\tstartIndex,\n\t\tstyle: mapListStyleDefinition( listStyleType )\n\t};\n}\n\n// Tries to extract the `list-style-type` value based on the marker element for bulleted list.\n//\n// @param {module:engine/view/element~Element} element\n// @returns {String|null}\nfunction findBulletedListStyle( element ) {\n\tconst listMarkerElement = findListMarkerNode( element );\n\n\tif ( !listMarkerElement ) {\n\t\treturn null;\n\t}\n\n\tconst listMarker = listMarkerElement._data;\n\n\tif ( listMarker === 'o' ) {\n\t\treturn 'circle';\n\t} else if ( listMarker === '·' ) {\n\t\treturn 'disc';\n\t}\n\t// Word returns '§' instead of '■' for the square list style.\n\telse if ( listMarker === '§' ) {\n\t\treturn 'square';\n\t}\n\n\treturn null;\n}\n\n// Tries to find a text node that represents the marker element (list-style-type).\n//\n// @param {module:engine/view/element~Element} element\n// @returns {module:engine/view/text~Text|null}\nfunction findListMarkerNode( element ) {\n\t// If the first child is a text node, it is the data for the element.\n\t// The list-style marker is not present here.\n\tif ( element.getChild( 0 ).is( '$text' ) ) {\n\t\treturn null;\n\t}\n\n\tfor ( const childNode of element.getChildren() ) {\n\t\t// The list-style marker will be inside the `<span>` element. Let's ignore all non-span elements.\n\t\t// It may happen that the `<a>` element is added as the first child. Most probably, it's an anchor element.\n\t\tif ( !childNode.is( 'element', 'span' ) ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst textNodeOrElement = childNode.getChild( 0 );\n\n\t\t// If already found the marker element, use it.\n\t\tif ( textNodeOrElement.is( '$text' ) ) {\n\t\t\treturn textNodeOrElement;\n\t\t}\n\n\t\treturn textNodeOrElement.getChild( 0 );\n\t}\n}\n\n// Parses the `list-style-type` value extracted directly from the Word CSS stylesheet and returns proper CSS definition.\n//\n// @param {String|null} value\n// @returns {String|null}\nfunction mapListStyleDefinition( value ) {\n\tif ( value.startsWith( 'arabic-leading-zero' ) ) {\n\t\treturn 'decimal-leading-zero';\n\t}\n\n\tswitch ( value ) {\n\t\tcase 'alpha-upper':\n\t\t\treturn 'upper-alpha';\n\t\tcase 'alpha-lower':\n\t\t\treturn 'lower-alpha';\n\t\tcase 'roman-upper':\n\t\t\treturn 'upper-roman';\n\t\tcase 'roman-lower':\n\t\t\treturn 'lower-roman';\n\t\tcase 'circle':\n\t\tcase 'disc':\n\t\tcase 'square':\n\t\t\treturn value;\n\t\tdefault:\n\t\t\treturn null;\n\t}\n}\n\n// Creates an empty list of a given type and inserts it after a specified element.\n//\n// @param {Object} listStyle List style object which determines the type of newly created list.\n// Usually a result of `detectListStyle()` function.\n// @param {module:engine/view/element~Element} element Element after which list is inserted.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {module:engine/view/element~Element} Newly created list element.\n\nfunction insertNewEmptyList( listStyle, element, writer ) {\n\tconst parent = element.parent;\n\tconst list = writer.createElement( listStyle.type );\n\tconst position = parent.getChildIndex( element ) + 1;\n\n\twriter.insertChild( position, list, parent );\n\n\t// We do not support modifying the marker for a particular list item.\n\t// Set the value for the `list-style-type` property directly to the list container.\n\tif ( listStyle.style ) {\n\t\twriter.setStyle( 'list-style-type', listStyle.style, list );\n\t}\n\n\tif ( listStyle.startIndex && listStyle.startIndex > 1 ) {\n\t\twriter.setAttribute( 'start', listStyle.startIndex, list );\n\t}\n\n\treturn list;\n}\n\n// Transforms a given element into a semantic list item. As the function operates on a provided\n// {module:engine/src/view/element~Element element} it will modify the view structure to which this element belongs.\n//\n// @param {module:engine/view/element~Element} element Element which will be transformed into a list item.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {module:engine/view/element~Element} New element to which the given one was transformed. It is\n// inserted in place of the old element (the reference to the old element is lost due to renaming).\nfunction transformElementIntoListItem( element, writer ) {\n\tremoveBulletElement( element, writer );\n\n\treturn writer.rename( 'li', element );\n}\n\n// Extracts list item information from Word specific list-like element style:\n//\n//\t\t`style=\"mso-list:l1 level1 lfo1\"`\n//\n// where:\n//\n//\t\t* `l1` is a list id (however it does not mean this is a continuous list - see #43),\n//\t\t* `level1` is a list item indentation level,\n//\t\t* `lfo1` is a list insertion order in a document.\n//\n// @param {module:engine/view/element~Element} element Element from which style data is extracted.\n// @returns {Object} result\n// @returns {Number} result.id Parent list id.\n// @returns {Number} result.order List item creation order.\n// @returns {Number} result.indent List item indentation level.\nfunction getListItemData( element ) {\n\tconst data = {};\n\tconst listStyle = element.getStyle( 'mso-list' );\n\n\tif ( listStyle ) {\n\t\tconst idMatch = listStyle.match( /(^|\\s{1,100})l(\\d+)/i );\n\t\tconst orderMatch = listStyle.match( /\\s{0,100}lfo(\\d+)/i );\n\t\tconst indentMatch = listStyle.match( /\\s{0,100}level(\\d+)/i );\n\n\t\tif ( idMatch && orderMatch && indentMatch ) {\n\t\t\tdata.id = idMatch[ 2 ];\n\t\t\tdata.order = orderMatch[ 1 ];\n\t\t\tdata.indent = indentMatch[ 1 ];\n\t\t}\n\t}\n\n\treturn data;\n}\n\n// Removes span with a numbering/bullet from a given element.\n//\n// @param {module:engine/view/element~Element} element\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\nfunction removeBulletElement( element, writer ) {\n\t// Matcher for finding `span` elements holding lists numbering/bullets.\n\tconst bulletMatcher = new Matcher( {\n\t\tname: 'span',\n\t\tstyles: {\n\t\t\t'mso-list': 'Ignore'\n\t\t}\n\t} );\n\n\tconst range = writer.createRangeIn( element );\n\n\tfor ( const value of range ) {\n\t\tif ( value.type === 'elementStart' && bulletMatcher.match( value.item ) ) {\n\t\t\twriter.remove( value.item );\n\t\t}\n\t}\n}\n\n// Whether the previous and current items belong to the same list. It is determined based on `item.id`\n// (extracted from `mso-list` style, see #getListItemData) and a previous sibling of the current item.\n//\n// However, it's quite easy to change the `id` attribute for nested lists in Word. It will break the list feature while pasting.\n// Let's check also the `indent` attribute. If the difference between those two elements is equal to 1, we can assume that\n// the `currentItem` is a beginning of the nested list because lists in CKEditor 5 always start with the `indent=0` attribute.\n// See: https://github.com/ckeditor/ckeditor5/issues/7805.\n//\n// @param {Object} previousItem\n// @param {Object} currentItem\n// @returns {Boolean}\nfunction isNewListNeeded( previousItem, currentItem ) {\n\tif ( !previousItem ) {\n\t\treturn true;\n\t}\n\n\tif ( previousItem.id !== currentItem.id ) {\n\t\t// See: https://github.com/ckeditor/ckeditor5/issues/7805.\n\t\t//\n\t\t// * List item 1.\n\t\t//     - Nested list item 1.\n\t\tif ( currentItem.indent - previousItem.indent === 1 ) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t}\n\n\tconst previousSibling = currentItem.element.previousSibling;\n\n\tif ( !previousSibling ) {\n\t\treturn true;\n\t}\n\n\t// Even with the same id the list does not have to be continuous (#43).\n\treturn !isList( previousSibling );\n}\n\nfunction isList( element ) {\n\treturn element.is( 'element', 'ol' ) || element.is( 'element', 'ul' );\n}\n\n// Calculates the indentation difference between two given list items (based on the indent attribute\n// extracted from the `mso-list` style, see #getListItemData).\n//\n// @param {Object} previousItem\n// @param {Object} currentItem\n// @returns {Number}\nfunction getIndentationDifference( previousItem, currentItem ) {\n\treturn previousItem ? currentItem.indent - previousItem.indent : currentItem.indent - 1;\n}\n\n// Finds the parent list element (ul/ol) of a given list element with indentation level lower by a given value.\n//\n// @param {module:engine/view/element~Element} listElement List element from which to start looking for a parent list.\n// @param {Number} indentationDifference Indentation difference between lists.\n// @returns {module:engine/view/element~Element} Found list element with indentation level lower by a given value.\nfunction findParentListAtLevel( listElement, indentationDifference ) {\n\tconst ancestors = listElement.getAncestors( { parentFirst: true } );\n\n\tlet parentList = null;\n\tlet levelChange = 0;\n\n\tfor ( const ancestor of ancestors ) {\n\t\tif ( ancestor.name === 'ul' || ancestor.name === 'ol' ) {\n\t\t\tlevelChange++;\n\t\t}\n\n\t\tif ( levelChange === indentationDifference ) {\n\t\t\tparentList = ancestor;\n\t\t\tbreak;\n\t\t}\n\t}\n\n\treturn parentList;\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/normalizers/googledocsnormalizer\n */\n\nimport { UpcastWriter } from 'ckeditor5/src/engine';\n\nimport removeBoldWrapper from '../filters/removeboldwrapper';\nimport { unwrapParagraphInListItem } from '../filters/list';\n\nconst googleDocsMatch = /id=(\"|')docs-internal-guid-[-0-9a-f]+(\"|')/i;\n\n/**\n * Normalizer for the content pasted from Google Docs.\n *\n * @implements module:paste-from-office/normalizer~Normalizer\n */\nexport default class GoogleDocsNormalizer {\n\t/**\n\t * Creates a new `GoogleDocsNormalizer` instance.\n\t *\n\t * @param {module:engine/view/document~Document} document View document.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tisActive( htmlString ) {\n\t\treturn googleDocsMatch.test( htmlString );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute( data ) {\n\t\tconst writer = new UpcastWriter( this.document );\n\t\tconst { body: documentFragment } = data._parsedData;\n\n\t\tremoveBoldWrapper( documentFragment, writer );\n\t\tunwrapParagraphInListItem( documentFragment, writer );\n\n\t\tdata.content = documentFragment;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/removeboldwrapper\n */\n\n/**\n * Removes `<b>` tag wrapper added by Google Docs to a copied content.\n *\n * @param {module:engine/view/documentfragment~DocumentFragment} documentFragment element `data.content` obtained from clipboard\n * @param {module:engine/view/upcastwriter~UpcastWriter} writer\n */\nexport default function removeBoldWrapper( documentFragment, writer ) {\n\tfor ( const child of documentFragment.getChildren() ) {\n\t\tif ( child.is( 'element', 'b' ) && child.getStyle( 'font-weight' ) === 'normal' ) {\n\t\t\tconst childIndex = documentFragment.getChildIndex( child );\n\n\t\t\twriter.remove( child );\n\t\t\twriter.insertChild( childIndex, child.getChildren(), documentFragment );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/image\n */\n\n/* globals btoa */\n\nimport { Matcher, UpcastWriter } from 'ckeditor5/src/engine';\n\n/**\n * Replaces source attribute of all `<img>` elements representing regular\n * images (not the Word shapes) with inlined base64 image representation extracted from RTF or Blob data.\n *\n * @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment on which transform images.\n * @param {String} rtfData The RTF data from which images representation will be used.\n */\nexport function replaceImagesSourceWithBase64( documentFragment, rtfData ) {\n\tif ( !documentFragment.childCount ) {\n\t\treturn;\n\t}\n\n\tconst upcastWriter = new UpcastWriter();\n\tconst shapesIds = findAllShapesIds( documentFragment, upcastWriter );\n\n\tremoveAllImgElementsRepresentingShapes( shapesIds, documentFragment, upcastWriter );\n\tremoveAllShapeElements( documentFragment, upcastWriter );\n\n\tconst images = findAllImageElementsWithLocalSource( documentFragment, upcastWriter );\n\n\tif ( images.length ) {\n\t\treplaceImagesFileSourceWithInlineRepresentation( images, extractImageDataFromRtf( rtfData ), upcastWriter );\n\t}\n}\n\n/**\n * Converts given HEX string to base64 representation.\n *\n * @protected\n * @param {String} hexString The HEX string to be converted.\n * @returns {String} Base64 representation of a given HEX string.\n */\nexport function _convertHexToBase64( hexString ) {\n\treturn btoa( hexString.match( /\\w{2}/g ).map( char => {\n\t\treturn String.fromCharCode( parseInt( char, 16 ) );\n\t} ).join( '' ) );\n}\n\n// Finds all shapes (`<v:*>...</v:*>`) ids. Shapes can represent images (canvas)\n// or Word shapes (which does not have RTF or Blob representation).\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment\n// from which to extract shape ids.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {Array.<String>} Array of shape ids.\nfunction findAllShapesIds( documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\tconst shapeElementsMatcher = new Matcher( {\n\t\tname: /v:(.+)/\n\t} );\n\n\tconst shapesIds = [];\n\n\tfor ( const value of range ) {\n\t\tif ( value.type != 'elementStart' ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst el = value.item;\n\t\tconst prevSiblingName = el.previousSibling && el.previousSibling.name || null;\n\n\t\t// If shape element have 'o:gfxdata' attribute and is not directly before `<v:shapetype>` element it means it represent Word shape.\n\t\tif ( shapeElementsMatcher.match( el ) && el.getAttribute( 'o:gfxdata' ) && prevSiblingName !== 'v:shapetype' ) {\n\t\t\tshapesIds.push( value.item.getAttribute( 'id' ) );\n\t\t}\n\t}\n\n\treturn shapesIds;\n}\n\n// Removes all `<img>` elements which represents Word shapes and not regular images.\n//\n// @param {Array.<String>} shapesIds Shape ids which will be checked against `<img>` elements.\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment from which to remove `<img>` elements.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\nfunction removeAllImgElementsRepresentingShapes( shapesIds, documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\tconst imageElementsMatcher = new Matcher( {\n\t\tname: 'img'\n\t} );\n\n\tconst imgs = [];\n\n\tfor ( const value of range ) {\n\t\tif ( imageElementsMatcher.match( value.item ) ) {\n\t\t\tconst el = value.item;\n\t\t\tconst shapes = el.getAttribute( 'v:shapes' ) ? el.getAttribute( 'v:shapes' ).split( ' ' ) : [];\n\n\t\t\tif ( shapes.length && shapes.every( shape => shapesIds.indexOf( shape ) > -1 ) ) {\n\t\t\t\timgs.push( el );\n\t\t\t// Shapes may also have empty source while content is paste in some browsers (Safari).\n\t\t\t} else if ( !el.getAttribute( 'src' ) ) {\n\t\t\t\timgs.push( el );\n\t\t\t}\n\t\t}\n\t}\n\n\tfor ( const img of imgs ) {\n\t\twriter.remove( img );\n\t}\n}\n\n// Removes all shape elements (`<v:*>...</v:*>`) so they do not pollute the output structure.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment from which to remove shape elements.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\nfunction removeAllShapeElements( documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\tconst shapeElementsMatcher = new Matcher( {\n\t\tname: /v:(.+)/\n\t} );\n\n\tconst shapes = [];\n\n\tfor ( const value of range ) {\n\t\tif ( value.type == 'elementStart' && shapeElementsMatcher.match( value.item ) ) {\n\t\t\tshapes.push( value.item );\n\t\t}\n\t}\n\n\tfor ( const shape of shapes ) {\n\t\twriter.remove( shape );\n\t}\n}\n\n// Finds all `<img>` elements in a given document fragment which have source pointing to local `file://` resource.\n//\n// @param {module:engine/view/documentfragment~DocumentFragment} documentFragment Document fragment in which to look for `<img>` elements.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\n// @returns {Object} result All found images grouped by source type.\n// @returns {Array.<module:engine/view/element~Element>} result.file Array of found `<img>` elements with `file://` source.\n// @returns {Array.<module:engine/view/element~Element>} result.blob Array of found `<img>` elements with `blob:` source.\nfunction findAllImageElementsWithLocalSource( documentFragment, writer ) {\n\tconst range = writer.createRangeIn( documentFragment );\n\n\tconst imageElementsMatcher = new Matcher( {\n\t\tname: 'img'\n\t} );\n\n\tconst imgs = [];\n\n\tfor ( const value of range ) {\n\t\tif ( imageElementsMatcher.match( value.item ) ) {\n\t\t\tif ( value.item.getAttribute( 'src' ).startsWith( 'file://' ) ) {\n\t\t\t\timgs.push( value.item );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn imgs;\n}\n\n// Extracts all images HEX representations from a given RTF data.\n//\n// @param {String} rtfData The RTF data from which to extract images HEX representation.\n// @returns {Array.<Object>} Array of found HEX representations. Each array item is an object containing:\n//\n// \t\t* {String} hex Image representation in HEX format.\n// \t\t* {string} type Type of image, `image/png` or `image/jpeg`.\nfunction extractImageDataFromRtf( rtfData ) {\n\tif ( !rtfData ) {\n\t\treturn [];\n\t}\n\n\tconst regexPictureHeader = /{\\\\pict[\\s\\S]+?\\\\bliptag-?\\d+(\\\\blipupi-?\\d+)?({\\\\\\*\\\\blipuid\\s?[\\da-fA-F]+)?[\\s}]*?/;\n\tconst regexPicture = new RegExp( '(?:(' + regexPictureHeader.source + '))([\\\\da-fA-F\\\\s]+)\\\\}', 'g' );\n\tconst images = rtfData.match( regexPicture );\n\tconst result = [];\n\n\tif ( images ) {\n\t\tfor ( const image of images ) {\n\t\t\tlet imageType = false;\n\n\t\t\tif ( image.includes( '\\\\pngblip' ) ) {\n\t\t\t\timageType = 'image/png';\n\t\t\t} else if ( image.includes( '\\\\jpegblip' ) ) {\n\t\t\t\timageType = 'image/jpeg';\n\t\t\t}\n\n\t\t\tif ( imageType ) {\n\t\t\t\tresult.push( {\n\t\t\t\t\thex: image.replace( regexPictureHeader, '' ).replace( /[^\\da-fA-F]/g, '' ),\n\t\t\t\t\ttype: imageType\n\t\t\t\t} );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn result;\n}\n\n// Replaces `src` attribute value of all given images with the corresponding base64 image representation.\n//\n// @param {Array.<module:engine/view/element~Element>} imageElements Array of image elements which will have its source replaced.\n// @param {Array.<Object>} imagesHexSources Array of images hex sources (usually the result of `extractImageDataFromRtf()` function).\n// The array should be the same length as `imageElements` parameter.\n// @param {module:engine/view/upcastwriter~UpcastWriter} writer\nfunction replaceImagesFileSourceWithInlineRepresentation( imageElements, imagesHexSources, writer ) {\n\t// Assume there is an equal amount of image elements and images HEX sources so they can be matched accordingly based on existing order.\n\tif ( imageElements.length === imagesHexSources.length ) {\n\t\tfor ( let i = 0; i < imageElements.length; i++ ) {\n\t\t\tconst newSrc = `data:${ imagesHexSources[ i ].type };base64,${ _convertHexToBase64( imagesHexSources[ i ].hex ) }`;\n\t\t\twriter.setAttribute( 'src', newSrc, imageElements[ i ] );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/normalizers/mswordnormalizer\n */\n\nimport { transformListItemLikeElementsIntoLists } from '../filters/list';\nimport { replaceImagesSourceWithBase64 } from '../filters/image';\n\nconst msWordMatch1 = /<meta\\s*name=\"?generator\"?\\s*content=\"?microsoft\\s*word\\s*\\d+\"?\\/?>/i;\nconst msWordMatch2 = /xmlns:o=\"urn:schemas-microsoft-com/i;\n\n/**\n * Normalizer for the content pasted from Microsoft Word.\n *\n * @implements module:paste-from-office/normalizer~Normalizer\n */\nexport default class MSWordNormalizer {\n\t/**\n\t * Creates a new `MSWordNormalizer` instance.\n\t *\n\t * @param {module:engine/view/document~Document} document View document.\n\t */\n\tconstructor( document ) {\n\t\t/**\n\t\t * @readonly\n\t\t * @type {module:engine/view/document~Document}\n\t\t */\n\t\tthis.document = document;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tisActive( htmlString ) {\n\t\treturn msWordMatch1.test( htmlString ) || msWordMatch2.test( htmlString );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\texecute( data ) {\n\t\tconst { body: documentFragment, stylesString } = data._parsedData;\n\n\t\ttransformListItemLikeElementsIntoLists( documentFragment, stylesString );\n\t\treplaceImagesSourceWithBase64( documentFragment, data.dataTransfer.getData( 'text/rtf' ) );\n\n\t\tdata.content = documentFragment;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/space\n */\n\n/**\n * Replaces last space preceding elements closing tag with `&nbsp;`. Such operation prevents spaces from being removed\n * during further DOM/View processing (see especially {@link module:engine/view/domconverter~DomConverter#_processDataFromDomText}).\n * This method also takes into account Word specific `<o:p></o:p>` empty tags.\n * Additionally multiline sequences of spaces and new lines between tags are removed (see #39 and #40).\n *\n * @param {String} htmlString HTML string in which spacing should be normalized.\n * @returns {String} Input HTML with spaces normalized.\n */\nexport function normalizeSpacing( htmlString ) {\n\t// Run normalizeSafariSpaceSpans() two times to cover nested spans.\n\treturn normalizeSafariSpaceSpans( normalizeSafariSpaceSpans( htmlString ) )\n\t\t// Remove all \\r\\n from \"spacerun spans\" so the last replace line doesn't strip all whitespaces.\n\t\t.replace( /(<span\\s+style=['\"]mso-spacerun:yes['\"]>[^\\S\\r\\n]*?)[\\r\\n]+([^\\S\\r\\n]*<\\/span>)/g, '$1$2' )\n\t\t.replace( /<span\\s+style=['\"]mso-spacerun:yes['\"]><\\/span>/g, '' )\n\t\t.replace( / <\\//g, '\\u00A0</' )\n\t\t.replace( / <o:p><\\/o:p>/g, '\\u00A0<o:p></o:p>' )\n\t\t// Remove <o:p> block filler from empty paragraph. Safari uses \\u00A0 instead of &nbsp;.\n\t\t.replace( /<o:p>(&nbsp;|\\u00A0)<\\/o:p>/g, '' )\n\t\t// Remove all whitespaces when they contain any \\r or \\n.\n\t\t.replace( />([^\\S\\r\\n]*[\\r\\n]\\s*)</g, '><' );\n}\n\n/**\n * Normalizes spacing in special Word `spacerun spans` (`<span style='mso-spacerun:yes'>\\s+</span>`) by replacing\n * all spaces with `&nbsp; ` pairs. This prevents spaces from being removed during further DOM/View processing\n * (see especially {@link module:engine/view/domconverter~DomConverter#_processDataFromDomText}).\n *\n * @param {Document} htmlDocument Native `Document` object in which spacing should be normalized.\n */\nexport function normalizeSpacerunSpans( htmlDocument ) {\n\thtmlDocument.querySelectorAll( 'span[style*=spacerun]' ).forEach( el => {\n\t\tconst innerTextLength = el.innerText.length || 0;\n\n\t\tel.innerHTML = Array( innerTextLength + 1 ).join( '\\u00A0 ' ).substr( 0, innerTextLength );\n\t} );\n}\n\n// Normalizes specific spacing generated by Safari when content pasted from Word (`<span class=\"Apple-converted-space\"> </span>`)\n// by replacing all spaces sequences longer than 1 space with `&nbsp; ` pairs. This prevents spaces from being removed during\n// further DOM/View processing (see especially {@link module:engine/view/domconverter~DomConverter#_processDataFromDomText}).\n//\n// This function is similar to {@link module:clipboard/utils/normalizeclipboarddata normalizeClipboardData util} but uses\n// regular spaces / &nbsp; sequence for replacement.\n//\n// @param {String} htmlString HTML string in which spacing should be normalized\n// @returns {String} Input HTML with spaces normalized.\nfunction normalizeSafariSpaceSpans( htmlString ) {\n\treturn htmlString.replace( /<span(?: class=\"Apple-converted-space\"|)>(\\s+)<\\/span>/g, ( fullMatch, spaces ) => {\n\t\treturn spaces.length === 1 ? ' ' : Array( spaces.length + 1 ).join( '\\u00A0 ' ).substr( 0, spaces.length );\n\t} );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/filters/parse\n */\n\n/* globals DOMParser */\n\nimport { DomConverter, ViewDocument } from 'ckeditor5/src/engine';\n\nimport { normalizeSpacing, normalizeSpacerunSpans } from './space';\n\n/**\n * Parses provided HTML extracting contents of `<body>` and `<style>` tags.\n *\n * @param {String} htmlString HTML string to be parsed.\n * @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n * @returns {Object} result\n * @returns {module:engine/view/documentfragment~DocumentFragment} result.body Parsed body\n * content as a traversable structure.\n * @returns {String} result.bodyString Entire body content as a string.\n * @returns {Array.<CSSStyleSheet>} result.styles Array of native `CSSStyleSheet` objects, each representing\n * separate `style` tag from the source HTML.\n * @returns {String} result.stylesString All `style` tags contents combined in the order of occurrence into one string.\n */\nexport function parseHtml( htmlString, stylesProcessor ) {\n\tconst domParser = new DOMParser();\n\n\t// Remove Word specific \"if comments\" so content inside is not omitted by the parser.\n\thtmlString = htmlString.replace( /<!--\\[if gte vml 1]>/g, '' );\n\n\tconst normalizedHtml = normalizeSpacing( cleanContentAfterBody( htmlString ) );\n\n\t// Parse htmlString as native Document object.\n\tconst htmlDocument = domParser.parseFromString( normalizedHtml, 'text/html' );\n\n\tnormalizeSpacerunSpans( htmlDocument );\n\n\t// Get `innerHTML` first as transforming to View modifies the source document.\n\tconst bodyString = htmlDocument.body.innerHTML;\n\n\t// Transform document.body to View.\n\tconst bodyView = documentToView( htmlDocument, stylesProcessor );\n\n\t// Extract stylesheets.\n\tconst stylesObject = extractStyles( htmlDocument );\n\n\treturn {\n\t\tbody: bodyView,\n\t\tbodyString,\n\t\tstyles: stylesObject.styles,\n\t\tstylesString: stylesObject.stylesString\n\t};\n}\n\n// Transforms native `Document` object into {@link module:engine/view/documentfragment~DocumentFragment}. Comments are skipped.\n//\n// @param {Document} htmlDocument Native `Document` object to be transformed.\n// @param {module:engine/view/stylesmap~StylesProcessor} stylesProcessor\n// @returns {module:engine/view/documentfragment~DocumentFragment}\nfunction documentToView( htmlDocument, stylesProcessor ) {\n\tconst viewDocument = new ViewDocument( stylesProcessor );\n\tconst domConverter = new DomConverter( viewDocument, { renderingMode: 'data' } );\n\tconst fragment = htmlDocument.createDocumentFragment();\n\tconst nodes = htmlDocument.body.childNodes;\n\n\twhile ( nodes.length > 0 ) {\n\t\tfragment.appendChild( nodes[ 0 ] );\n\t}\n\n\treturn domConverter.domToView( fragment, { skipComments: true } );\n}\n\n// Extracts both `CSSStyleSheet` and string representation from all `style` elements available in a provided `htmlDocument`.\n//\n// @param {Document} htmlDocument Native `Document` object from which styles will be extracted.\n// @returns {Object} result\n// @returns {Array.<CSSStyleSheet>} result.styles Array of native `CSSStyleSheet` object, each representing\n// separate `style` tag from the source object.\n// @returns {String} result.stylesString All `style` tags contents combined in the order of occurrence as one string.\nfunction extractStyles( htmlDocument ) {\n\tconst styles = [];\n\tconst stylesString = [];\n\tconst styleTags = Array.from( htmlDocument.getElementsByTagName( 'style' ) );\n\n\tfor ( const style of styleTags ) {\n\t\tif ( style.sheet && style.sheet.cssRules && style.sheet.cssRules.length ) {\n\t\t\tstyles.push( style.sheet );\n\t\t\tstylesString.push( style.innerHTML );\n\t\t}\n\t}\n\n\treturn {\n\t\tstyles,\n\t\tstylesString: stylesString.join( ' ' )\n\t};\n}\n\n// Removes leftover content from between closing </body> and closing </html> tag:\n//\n// \t\t<html><body><p>Foo Bar</p></body><span>Fo</span></html> -> <html><body><p>Foo Bar</p></body></html>\n//\n// This function is used as specific browsers (Edge) add some random content after `body` tag when pasting from Word.\n// @param {String} htmlString The HTML string to be cleaned.\n// @returns {String} The HTML string with leftover content removed.\nfunction cleanContentAfterBody( htmlString ) {\n\tconst bodyCloseTag = '</body>';\n\tconst htmlCloseTag = '</html>';\n\n\tconst bodyCloseIndex = htmlString.indexOf( bodyCloseTag );\n\n\tif ( bodyCloseIndex < 0 ) {\n\t\treturn htmlString;\n\t}\n\n\tconst htmlCloseIndex = htmlString.indexOf( htmlCloseTag, bodyCloseIndex + bodyCloseTag.length );\n\n\treturn htmlString.substring( 0, bodyCloseIndex + bodyCloseTag.length ) +\n\t\t( htmlCloseIndex >= 0 ? htmlString.substring( htmlCloseIndex ) : '' );\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/checktodolistcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\nconst attributeKey = 'todoListChecked';\n\n/**\n * The check to-do command.\n *\n * The command is registered by the {@link module:list/todolistediting~TodoListEditing} as\n * the `checkTodoList` editor command and it is also available via aliased `todoListCheck` name.\n *\n * @extends module:core/command~Command\n */\nexport default class CheckTodoListCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * A flag indicating whether the command is active. The command is active when at least one of\n\t\t * {@link module:engine/model/selection~Selection selected} elements is a to-do list item.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #isEnabled\n\t\t */\n\n\t\t/**\n\t\t * A list of to-do list items selected by the {@link module:engine/model/selection~Selection}.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Array.<module:engine/model/element~Element>} #value\n\t\t */\n\n\t\t/**\n\t\t * A list of to-do list items selected by the {@link module:engine/model/selection~Selection}.\n\t\t *\n\t\t * @protected\n\t\t * @type {Array.<module:engine/model/element~Element>}\n\t\t */\n\t\tthis._selectedElements = [];\n\n\t\t// Refresh command before executing to be sure all values are up to date.\n\t\t// It is needed when selection has changed before command execution, in the same change block.\n\t\tthis.on( 'execute', () => {\n\t\t\tthis.refresh();\n\t\t}, { priority: 'highest' } );\n\t}\n\n\t/**\n\t * Updates the command's {@link #value} and {@link #isEnabled} properties based on the current selection.\n\t */\n\trefresh() {\n\t\tthis._selectedElements = this._getSelectedItems();\n\t\tthis.value = this._selectedElements.every( element => !!element.getAttribute( 'todoListChecked' ) );\n\t\tthis.isEnabled = !!this._selectedElements.length;\n\t}\n\n\t/**\n\t * Gets all to-do list items selected by the {@link module:engine/model/selection~Selection}.\n\t *\n\t * @private\n\t * @returns {Array.<module:engine/model/element~Element>}\n\t */\n\t_getSelectedItems() {\n\t\tconst model = this.editor.model;\n\t\tconst schema = model.schema;\n\n\t\tconst selectionRange = model.document.selection.getFirstRange();\n\t\tconst startElement = selectionRange.start.parent;\n\t\tconst elements = [];\n\n\t\tif ( schema.checkAttribute( startElement, attributeKey ) ) {\n\t\t\telements.push( startElement );\n\t\t}\n\n\t\tfor ( const item of selectionRange.getItems() ) {\n\t\t\tif ( schema.checkAttribute( item, attributeKey ) && !elements.includes( item ) ) {\n\t\t\t\telements.push( item );\n\t\t\t}\n\t\t}\n\n\t\treturn elements;\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @param {Object} [options]\n\t * @param {Boolean} [options.forceValue] If set, it will force the command behavior. If `true`, the command will apply\n\t * the attribute. Otherwise, the command will remove the attribute. If not set, the command will look for its current\n\t * value to decide what it should do.\n\t */\n\texecute( options = {} ) {\n\t\tthis.editor.model.change( writer => {\n\t\t\tfor ( const element of this._selectedElements ) {\n\t\t\t\tconst value = ( options.forceValue === undefined ) ? !this.value : options.forceValue;\n\n\t\t\t\tif ( value ) {\n\t\t\t\t\twriter.setAttribute( attributeKey, true, element );\n\t\t\t\t} else {\n\t\t\t\t\twriter.removeAttribute( attributeKey, element );\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolistconverters\n */\n\n/* global document */\n\nimport { createElement } from 'ckeditor5/src/utils';\n\nimport { generateLiInUl, injectViewList, positionAfterUiElements, findNestedList } from './utils';\n\n/**\n * A model-to-view converter for the `listItem` model element insertion.\n *\n * It converts the `listItem` model element to an unordered list with a {@link module:engine/view/uielement~UIElement checkbox element}\n * at the beginning of each list item. It also merges the list with surrounding lists (if available).\n *\n * It is used by {@link module:engine/controller/editingcontroller~EditingController}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert\n * @param {module:engine/model/model~Model} model Model instance.\n * @param {Function} onCheckboxChecked Callback function.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewInsertion( model, onCheckboxChecked ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst consumable = conversionApi.consumable;\n\n\t\tif ( !consumable.test( data.item, 'insert' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listType' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listIndent' )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( data.item.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelItem = data.item;\n\n\t\tconsumable.consume( modelItem, 'insert' );\n\t\tconsumable.consume( modelItem, 'attribute:listType' );\n\t\tconsumable.consume( modelItem, 'attribute:listIndent' );\n\t\tconsumable.consume( modelItem, 'attribute:todoListChecked' );\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewItem = generateLiInUl( modelItem, conversionApi );\n\n\t\tconst isChecked = !!modelItem.getAttribute( 'todoListChecked' );\n\t\tconst checkmarkElement = createCheckmarkElement( modelItem, viewWriter, isChecked, onCheckboxChecked );\n\n\t\tconst span = viewWriter.createContainerElement( 'span', {\n\t\t\tclass: 'todo-list__label__description'\n\t\t} );\n\n\t\tviewWriter.addClass( 'todo-list', viewItem.parent );\n\t\tviewWriter.insert( viewWriter.createPositionAt( viewItem, 0 ), checkmarkElement );\n\t\tviewWriter.insert( viewWriter.createPositionAfter( checkmarkElement ), span );\n\n\t\tinjectViewList( modelItem, viewItem, conversionApi, model );\n\t};\n}\n\n/**\n * A model-to-view converter for the `listItem` model element insertion.\n *\n * It is used by {@link module:engine/controller/datacontroller~DataController}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:insert\n * @param {module:engine/model/model~Model} model Model instance.\n * @returns {Function} Returns a conversion callback.\n */\nexport function dataModelViewInsertion( model ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst consumable = conversionApi.consumable;\n\n\t\tif ( !consumable.test( data.item, 'insert' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listType' ) ||\n\t\t\t!consumable.test( data.item, 'attribute:listIndent' )\n\t\t) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( data.item.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst modelItem = data.item;\n\n\t\tconsumable.consume( modelItem, 'insert' );\n\t\tconsumable.consume( modelItem, 'attribute:listType' );\n\t\tconsumable.consume( modelItem, 'attribute:listIndent' );\n\t\tconsumable.consume( modelItem, 'attribute:todoListChecked' );\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst viewItem = generateLiInUl( modelItem, conversionApi );\n\n\t\tviewWriter.addClass( 'todo-list', viewItem.parent );\n\n\t\tconst label = viewWriter.createContainerElement( 'label', {\n\t\t\tclass: 'todo-list__label'\n\t\t} );\n\n\t\tconst checkbox = viewWriter.createEmptyElement( 'input', {\n\t\t\ttype: 'checkbox',\n\t\t\tdisabled: 'disabled'\n\t\t} );\n\n\t\tconst span = viewWriter.createContainerElement( 'span', {\n\t\t\tclass: 'todo-list__label__description'\n\t\t} );\n\n\t\tif ( modelItem.getAttribute( 'todoListChecked' ) ) {\n\t\t\tviewWriter.setAttribute( 'checked', 'checked', checkbox );\n\t\t}\n\n\t\tviewWriter.insert( viewWriter.createPositionAt( viewItem, 0 ), label );\n\t\tviewWriter.insert( viewWriter.createPositionAt( label, 0 ), checkbox );\n\t\tviewWriter.insert( viewWriter.createPositionAfter( checkbox ), span );\n\n\t\tinjectViewList( modelItem, viewItem, conversionApi, model );\n\t};\n}\n\n/**\n * A view-to-model converter for the checkbox element inside a view list item.\n *\n * It changes the `listType` of the model `listItem` to a `todo` value.\n * When a view checkbox element is marked as checked, an additional `todoListChecked=\"true\"` attribute is added to the model item.\n *\n * It is used by {@link module:engine/controller/datacontroller~DataController}.\n *\n * @see module:engine/conversion/upcastdispatcher~UpcastDispatcher#event:element\n * @param {module:utils/eventinfo~EventInfo} evt An object containing information about the fired event.\n * @param {Object} data An object containing conversion input, a placeholder for conversion output and possibly other values.\n * @param {module:engine/conversion/upcastdispatcher~UpcastConversionApi} conversionApi Conversion interface to be used by the callback.\n */\nexport function dataViewModelCheckmarkInsertion( evt, data, conversionApi ) {\n\tconst modelCursor = data.modelCursor;\n\tconst modelItem = modelCursor.parent;\n\tconst viewItem = data.viewItem;\n\n\tif ( viewItem.getAttribute( 'type' ) != 'checkbox' || modelItem.name != 'listItem' || !modelCursor.isAtStart ) {\n\t\treturn;\n\t}\n\n\tif ( !conversionApi.consumable.consume( viewItem, { name: true } ) ) {\n\t\treturn;\n\t}\n\n\tconst writer = conversionApi.writer;\n\n\twriter.setAttribute( 'listType', 'todo', modelItem );\n\n\tif ( data.viewItem.hasAttribute( 'checked' ) ) {\n\t\twriter.setAttribute( 'todoListChecked', true, modelItem );\n\t}\n\n\tdata.modelRange = writer.createRange( modelCursor );\n}\n\n/**\n * A model-to-view converter for the `listType` attribute change on the `listItem` model element.\n *\n * This change means that the `<li>` element parent changes to `<ul class=\"todo-list\">` and a\n * {@link module:engine/view/uielement~UIElement checkbox UI element} is added at the beginning\n * of the list item element (or vice versa).\n *\n * This converter is preceded by {@link module:list/converters~modelViewChangeType} and followed by\n * {@link module:list/converters~modelViewMergeAfterChangeType} to handle splitting and merging surrounding lists of the same type.\n *\n * It is used by {@link module:engine/controller/editingcontroller~EditingController}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {Function} onCheckedChange Callback fired after clicking the checkbox UI element.\n * @param {module:engine/view/view~View} view Editing view controller.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewChangeType( onCheckedChange, view ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\tconst viewItem = conversionApi.mapper.toViewElement( data.item );\n\t\tconst viewWriter = conversionApi.writer;\n\n\t\tconst labelElement = findLabel( viewItem, view );\n\n\t\tif ( data.attributeNewValue == 'todo' ) {\n\t\t\tconst isChecked = !!data.item.getAttribute( 'todoListChecked' );\n\t\t\tconst checkmarkElement = createCheckmarkElement( data.item, viewWriter, isChecked, onCheckedChange );\n\n\t\t\tconst span = viewWriter.createContainerElement( 'span', {\n\t\t\t\tclass: 'todo-list__label__description'\n\t\t\t} );\n\n\t\t\tconst itemRange = viewWriter.createRangeIn( viewItem );\n\t\t\tconst nestedList = findNestedList( viewItem );\n\n\t\t\tconst descriptionStart = positionAfterUiElements( itemRange.start );\n\t\t\tconst descriptionEnd = nestedList ? viewWriter.createPositionBefore( nestedList ) : itemRange.end;\n\t\t\tconst descriptionRange = viewWriter.createRange( descriptionStart, descriptionEnd );\n\n\t\t\tviewWriter.addClass( 'todo-list', viewItem.parent );\n\t\t\tviewWriter.move( descriptionRange, viewWriter.createPositionAt( span, 0 ) );\n\t\t\tviewWriter.insert( viewWriter.createPositionAt( viewItem, 0 ), checkmarkElement );\n\t\t\tviewWriter.insert( viewWriter.createPositionAfter( checkmarkElement ), span );\n\t\t} else if ( data.attributeOldValue == 'todo' ) {\n\t\t\tconst descriptionSpan = findDescription( viewItem, view );\n\n\t\t\tviewWriter.removeClass( 'todo-list', viewItem.parent );\n\t\t\tviewWriter.remove( labelElement );\n\t\t\tviewWriter.move( viewWriter.createRangeIn( descriptionSpan ), viewWriter.createPositionBefore( descriptionSpan ) );\n\t\t\tviewWriter.remove( descriptionSpan );\n\t\t}\n\t};\n}\n\n/**\n * A model-to-view converter for the `todoListChecked` attribute change on the `listItem` model element.\n *\n * It marks the {@link module:engine/view/uielement~UIElement checkbox UI element} as checked.\n *\n * It is used by {@link module:engine/controller/editingcontroller~EditingController}.\n *\n * @see module:engine/conversion/downcastdispatcher~DowncastDispatcher#event:attribute\n * @param {Function} onCheckedChange Callback fired after clicking the checkbox UI element.\n * @returns {Function} Returns a conversion callback.\n */\nexport function modelViewChangeChecked( onCheckedChange ) {\n\treturn ( evt, data, conversionApi ) => {\n\t\t// Do not convert `todoListChecked` attribute when to-do list item has changed to other list item.\n\t\t// This attribute will be removed by the model post fixer.\n\t\tif ( data.item.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( !conversionApi.consumable.consume( data.item, 'attribute:todoListChecked' ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst { mapper, writer: viewWriter } = conversionApi;\n\t\tconst isChecked = !!data.item.getAttribute( 'todoListChecked' );\n\t\tconst viewItem = mapper.toViewElement( data.item );\n\t\t// Because of m -> v position mapper we can be sure checkbox is always at the beginning.\n\t\tconst oldCheckmarkElement = viewItem.getChild( 0 );\n\t\tconst newCheckmarkElement = createCheckmarkElement( data.item, viewWriter, isChecked, onCheckedChange );\n\n\t\tviewWriter.insert( viewWriter.createPositionAfter( oldCheckmarkElement ), newCheckmarkElement );\n\t\tviewWriter.remove( oldCheckmarkElement );\n\t};\n}\n\n/**\n * A model-to-view position at zero offset mapper.\n *\n * This helper ensures that position inside todo-list in the view is mapped after the checkbox.\n *\n * It only handles the position at the beginning of a list item as other positions are properly mapped be the default mapper.\n *\n * @param {module:engine/view/view~View} view\n * @return {Function}\n */\nexport function mapModelToViewPosition( view ) {\n\treturn ( evt, data ) => {\n\t\tconst modelPosition = data.modelPosition;\n\t\tconst parent = modelPosition.parent;\n\n\t\tif ( !parent.is( 'element', 'listItem' ) || parent.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst viewLi = data.mapper.toViewElement( parent );\n\t\tconst descSpan = findDescription( viewLi, view );\n\n\t\tif ( descSpan ) {\n\t\t\tdata.viewPosition = data.mapper.findPositionIn( descSpan, modelPosition.offset );\n\t\t}\n\t};\n}\n\n// Creates a checkbox UI element.\n//\n// @private\n// @param {module:engine/model/item~Item} modelItem\n// @param {module:engine/view/downcastwriter~DowncastWriter} viewWriter\n// @param {Boolean} isChecked\n// @param {Function} onChange\n// @returns {module:view/uielement~UIElement}\nfunction createCheckmarkElement( modelItem, viewWriter, isChecked, onChange ) {\n\tconst uiElement = viewWriter.createUIElement(\n\t\t'label',\n\t\t{\n\t\t\tclass: 'todo-list__label',\n\t\t\tcontenteditable: false\n\t\t},\n\t\tfunction( domDocument ) {\n\t\t\tconst checkbox = createElement( document, 'input', { type: 'checkbox' } );\n\n\t\t\tif ( isChecked ) {\n\t\t\t\tcheckbox.setAttribute( 'checked', 'checked' );\n\t\t\t}\n\n\t\t\tcheckbox.addEventListener( 'change', () => onChange( modelItem ) );\n\n\t\t\tconst domElement = this.toDomElement( domDocument );\n\n\t\t\tdomElement.appendChild( checkbox );\n\n\t\t\treturn domElement;\n\t\t}\n\t);\n\n\treturn uiElement;\n}\n\n// Helper method to find label element inside li.\nfunction findLabel( viewItem, view ) {\n\tconst range = view.createRangeIn( viewItem );\n\n\tfor ( const value of range ) {\n\t\tif ( value.item.is( 'uiElement', 'label' ) ) {\n\t\t\treturn value.item;\n\t\t}\n\t}\n}\n\nfunction findDescription( viewItem, view ) {\n\tconst range = view.createRangeIn( viewItem );\n\n\tfor ( const value of range ) {\n\t\tif ( value.item.is( 'containerElement', 'span' ) && value.item.hasClass( 'todo-list__label__description' ) ) {\n\t\t\treturn value.item;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolistediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport {\n\tgetCode,\n\tparseKeystroke,\n\tgetLocalizedArrowKeyCodeDirection\n} from 'ckeditor5/src/utils';\n\nimport ListCommand from './listcommand';\nimport ListEditing from './listediting';\nimport CheckTodoListCommand from './checktodolistcommand';\nimport {\n\tdataModelViewInsertion,\n\tdataViewModelCheckmarkInsertion,\n\tmapModelToViewPosition,\n\tmodelViewChangeChecked,\n\tmodelViewChangeType,\n\tmodelViewInsertion\n} from './todolistconverters';\n\nconst ITEM_TOGGLE_KEYSTROKE = parseKeystroke( 'Ctrl+Enter' );\n\n/**\n * The engine of the to-do list feature. It handles creating, editing and removing to-do lists and their items.\n *\n * It registers the entire functionality of the {@link module:list/listediting~ListEditing list editing plugin} and extends\n * it with the commands:\n *\n * - `'todoList'`,\n * - `'checkTodoList'`,\n * - `'todoListCheck'` as an alias for `checkTodoList` command.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TodoListEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TodoListEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ListEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst { editing, data, model } = editor;\n\n\t\t// Extend schema.\n\t\tmodel.schema.extend( 'listItem', {\n\t\t\tallowAttributes: [ 'todoListChecked' ]\n\t\t} );\n\n\t\t// Disallow todoListChecked attribute on other nodes than listItem with to-do listType.\n\t\tmodel.schema.addAttributeCheck( ( context, attributeName ) => {\n\t\t\tconst item = context.last;\n\n\t\t\tif ( attributeName == 'todoListChecked' && item.name == 'listItem' && item.getAttribute( 'listType' ) != 'todo' ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} );\n\n\t\t// Register `todoList` command.\n\t\teditor.commands.add( 'todoList', new ListCommand( editor, 'todo' ) );\n\n\t\tconst checkTodoListCommand = new CheckTodoListCommand( editor );\n\n\t\t// Register `checkTodoList` command and add `todoListCheck` command as an alias for backward compatibility.\n\t\teditor.commands.add( 'checkTodoList', checkTodoListCommand );\n\t\teditor.commands.add( 'todoListCheck', checkTodoListCommand );\n\n\t\t// Define converters.\n\t\tdata.downcastDispatcher.on( 'insert:listItem', dataModelViewInsertion( model ), { priority: 'high' } );\n\t\tdata.upcastDispatcher.on( 'element:input', dataViewModelCheckmarkInsertion, { priority: 'high' } );\n\n\t\tediting.downcastDispatcher.on(\n\t\t\t'insert:listItem',\n\t\t\tmodelViewInsertion( model, listItem => this._handleCheckmarkChange( listItem ) ),\n\t\t\t{ priority: 'high' }\n\t\t);\n\t\tediting.downcastDispatcher.on(\n\t\t\t'attribute:listType:listItem',\n\t\t\tmodelViewChangeType( listItem => this._handleCheckmarkChange( listItem ), editing.view )\n\t\t);\n\t\tediting.downcastDispatcher.on(\n\t\t\t'attribute:todoListChecked:listItem',\n\t\t\tmodelViewChangeChecked( listItem => this._handleCheckmarkChange( listItem ) )\n\t\t);\n\n\t\tediting.mapper.on( 'modelToViewPosition', mapModelToViewPosition( editing.view ) );\n\t\tdata.mapper.on( 'modelToViewPosition', mapModelToViewPosition( editing.view ) );\n\n\t\t// Jump at the end of the previous node on left arrow key press, when selection is after the checkbox.\n\t\t//\n\t\t// <blockquote><p>Foo</p></blockquote>\n\t\t// <ul><li><checkbox/>{}Bar</li></ul>\n\t\t//\n\t\t// press: `<-`\n\t\t//\n\t\t// <blockquote><p>Foo{}</p></blockquote>\n\t\t// <ul><li><checkbox/>Bar</li></ul>\n\t\t//\n\t\tthis.listenTo( editing.view.document, 'arrowKey', jumpOverCheckmarkOnSideArrowKeyPress( model, editor.locale ), { context: 'li' } );\n\n\t\t// Toggle check state of selected to-do list items on keystroke.\n\t\tthis.listenTo( editing.view.document, 'keydown', ( evt, data ) => {\n\t\t\tif ( getCode( data ) === ITEM_TOGGLE_KEYSTROKE ) {\n\t\t\t\teditor.execute( 'checkTodoList' );\n\t\t\t\tevt.stop();\n\t\t\t}\n\t\t}, { priority: 'high' } );\n\n\t\t// Remove `todoListChecked` attribute when a host element is no longer a to-do list item.\n\t\tconst listItemsToFix = new Set();\n\n\t\tthis.listenTo( model, 'applyOperation', ( evt, args ) => {\n\t\t\tconst operation = args[ 0 ];\n\n\t\t\tif ( operation.type == 'rename' && operation.oldName == 'listItem' ) {\n\t\t\t\tconst item = operation.position.nodeAfter;\n\n\t\t\t\tif ( item.hasAttribute( 'todoListChecked' ) ) {\n\t\t\t\t\tlistItemsToFix.add( item );\n\t\t\t\t}\n\t\t\t} else if ( operation.type == 'changeAttribute' && operation.key == 'listType' && operation.oldValue === 'todo' ) {\n\t\t\t\tfor ( const item of operation.range.getItems() ) {\n\t\t\t\t\tif ( item.hasAttribute( 'todoListChecked' ) && item.getAttribute( 'listType' ) !== 'todo' ) {\n\t\t\t\t\t\tlistItemsToFix.add( item );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\n\t\tmodel.document.registerPostFixer( writer => {\n\t\t\tlet hasChanged = false;\n\n\t\t\tfor ( const listItem of listItemsToFix ) {\n\t\t\t\twriter.removeAttribute( 'todoListChecked', listItem );\n\t\t\t\thasChanged = true;\n\t\t\t}\n\n\t\t\tlistItemsToFix.clear();\n\n\t\t\treturn hasChanged;\n\t\t} );\n\t}\n\n\t/**\n\t * Handles the checkbox element change, moves the selection to the corresponding model item to make it possible\n\t * to toggle the `todoListChecked` attribute using the command, and restores the selection position.\n\t *\n\t * Some say it's a hack :) Moving the selection only for executing the command on a certain node and restoring it after,\n\t * is not a clear solution. We need to design an API for using commands beyond the selection range.\n\t * See https://github.com/ckeditor/ckeditor5/issues/1954.\n\t *\n\t * @private\n\t * @param {module:engine/model/element~Element} listItem\n\t */\n\t_handleCheckmarkChange( listItem ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst previousSelectionRanges = Array.from( model.document.selection.getRanges() );\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setSelection( listItem, 'end' );\n\t\t\teditor.execute( 'checkTodoList' );\n\t\t\twriter.setSelection( previousSelectionRanges );\n\t\t} );\n\t}\n}\n\n// Handles the left/right (LTR/RTL content) arrow key and moves the selection at the end of the previous block element\n// if the selection is just after the checkbox element. In other words, it jumps over the checkbox element when\n// moving the selection to the left/right (LTR/RTL).\n//\n// @private\n// @param {module:engine/model/model~Model} model\n// @param {module:utils/locale~Locale} locale\n// @returns {Function} Callback for 'keydown' events.\nfunction jumpOverCheckmarkOnSideArrowKeyPress( model, locale ) {\n\treturn ( eventInfo, domEventData ) => {\n\t\tconst direction = getLocalizedArrowKeyCodeDirection( domEventData.keyCode, locale.contentLanguageDirection );\n\n\t\tif ( direction != 'left' ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst schema = model.schema;\n\t\tconst selection = model.document.selection;\n\n\t\tif ( !selection.isCollapsed ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst position = selection.getFirstPosition();\n\t\tconst parent = position.parent;\n\n\t\tif ( parent.name === 'listItem' && parent.getAttribute( 'listType' ) == 'todo' && position.isAtStart ) {\n\t\t\tconst newRange = schema.getNearestSelectionRange( model.createPositionBefore( parent ), 'backward' );\n\n\t\t\tif ( newRange ) {\n\t\t\t\tmodel.change( writer => writer.setSelection( newRange ) );\n\t\t\t}\n\n\t\t\tdomEventData.preventDefault();\n\t\t\tdomEventData.stopPropagation();\n\t\t\teventInfo.stop();\n\t\t}\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolistui\n */\n\nimport { createUIComponent } from './utils';\nimport todoListIcon from '../theme/icons/todolist.svg';\nimport { Plugin } from 'ckeditor5/src/core';\n\n/**\n * The to-do list UI feature. It introduces the `'todoList'` button that\n * allows to convert elements to and from to-do list items and to indent or outdent them.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TodoListUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TodoListUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst t = this.editor.t;\n\n\t\tcreateUIComponent( this.editor, 'todoList', t( 'To-do List' ), todoListIcon );\n\t}\n}\n","export default \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"m2.315 14.705 2.224-2.24a.689.689 0 0 1 .963 0 .664.664 0 0 1 0 .949L2.865 16.07a.682.682 0 0 1-.112.089.647.647 0 0 1-.852-.051L.688 14.886a.635.635 0 0 1 0-.903.647.647 0 0 1 .91 0l.717.722zm5.185.045a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75zM2.329 5.745l2.21-2.226a.689.689 0 0 1 .963 0 .664.664 0 0 1 0 .95L2.865 7.125a.685.685 0 0 1-.496.196.644.644 0 0 1-.468-.187L.688 5.912a.635.635 0 0 1 0-.903.647.647 0 0 1 .91 0l.73.736zM7.5 5.75A.75.75 0 0 1 8.25 5h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z\\\"/></svg>\";","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./todolist.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./todolist.css\";\n       export default content && content.locals ? content.locals : undefined;\n","var highlightRegExp = /highlight-(?:text|source)-([a-z0-9]+)/;\n\nfunction highlightedCodeBlock (turndownService) {\n  turndownService.addRule('highlightedCodeBlock', {\n    filter: function (node) {\n      var firstChild = node.firstChild;\n      return (\n        node.nodeName === 'DIV' &&\n        highlightRegExp.test(node.className) &&\n        firstChild &&\n        firstChild.nodeName === 'PRE'\n      )\n    },\n    replacement: function (content, node, options) {\n      var className = node.className || '';\n      var language = (className.match(highlightRegExp) || [null, ''])[1];\n\n      return (\n        '\\n\\n' + options.fence + language + '\\n' +\n        node.firstChild.textContent +\n        '\\n' + options.fence + '\\n\\n'\n      )\n    }\n  });\n}\n\nfunction strikethrough (turndownService) {\n  turndownService.addRule('strikethrough', {\n    filter: ['del', 's', 'strike'],\n    replacement: function (content) {\n      return '~' + content + '~'\n    }\n  });\n}\n\nvar indexOf = Array.prototype.indexOf;\nvar every = Array.prototype.every;\nvar rules = {};\n\nrules.tableCell = {\n  filter: ['th', 'td'],\n  replacement: function (content, node) {\n    return cell(content, node)\n  }\n};\n\nrules.tableRow = {\n  filter: 'tr',\n  replacement: function (content, node) {\n    var borderCells = '';\n    var alignMap = { left: ':--', right: '--:', center: ':-:' };\n\n    if (isHeadingRow(node)) {\n      for (var i = 0; i < node.childNodes.length; i++) {\n        var border = '---';\n        var align = (\n          node.childNodes[i].getAttribute('align') || ''\n        ).toLowerCase();\n\n        if (align) border = alignMap[align] || border;\n\n        borderCells += cell(border, node.childNodes[i]);\n      }\n    }\n    return '\\n' + content + (borderCells ? '\\n' + borderCells : '')\n  }\n};\n\nrules.table = {\n  // Only convert tables with a heading row.\n  // Tables with no heading row are kept using `keep` (see below).\n  filter: function (node) {\n    return node.nodeName === 'TABLE' && isHeadingRow(node.rows[0])\n  },\n\n  replacement: function (content) {\n    // Ensure there are no blank lines\n    content = content.replace('\\n\\n', '\\n');\n    return '\\n\\n' + content + '\\n\\n'\n  }\n};\n\nrules.tableSection = {\n  filter: ['thead', 'tbody', 'tfoot'],\n  replacement: function (content) {\n    return content\n  }\n};\n\n// A tr is a heading row if:\n// - the parent is a THEAD\n// - or if its the first child of the TABLE or the first TBODY (possibly\n//   following a blank THEAD)\n// - and every cell is a TH\nfunction isHeadingRow (tr) {\n  var parentNode = tr.parentNode;\n  return (\n    parentNode.nodeName === 'THEAD' ||\n    (\n      parentNode.firstChild === tr &&\n      (parentNode.nodeName === 'TABLE' || isFirstTbody(parentNode)) &&\n      every.call(tr.childNodes, function (n) { return n.nodeName === 'TH' })\n    )\n  )\n}\n\nfunction isFirstTbody (element) {\n  var previousSibling = element.previousSibling;\n  return (\n    element.nodeName === 'TBODY' && (\n      !previousSibling ||\n      (\n        previousSibling.nodeName === 'THEAD' &&\n        /^\\s*$/i.test(previousSibling.textContent)\n      )\n    )\n  )\n}\n\nfunction cell (content, node) {\n  var index = indexOf.call(node.parentNode.childNodes, node);\n  var prefix = ' ';\n  if (index === 0) prefix = '| ';\n  return prefix + content + ' |'\n}\n\nfunction tables (turndownService) {\n  turndownService.keep(function (node) {\n    return node.nodeName === 'TABLE' && !isHeadingRow(node.rows[0])\n  });\n  for (var key in rules) turndownService.addRule(key, rules[key]);\n}\n\nfunction taskListItems (turndownService) {\n  turndownService.addRule('taskListItems', {\n    filter: function (node) {\n      return node.type === 'checkbox' && node.parentNode.nodeName === 'LI'\n    },\n    replacement: function (content, node) {\n      return (node.checked ? '[x]' : '[ ]') + ' '\n    }\n  });\n}\n\nfunction gfm (turndownService) {\n  turndownService.use([\n    highlightedCodeBlock,\n    strikethrough,\n    tables,\n    taskListItems\n  ]);\n}\n\nexport { gfm, highlightedCodeBlock, strikethrough, tables, taskListItems };\n","function extend (destination) {\n  for (var i = 1; i < arguments.length; i++) {\n    var source = arguments[i];\n    for (var key in source) {\n      if (source.hasOwnProperty(key)) destination[key] = source[key];\n    }\n  }\n  return destination\n}\n\nfunction repeat (character, count) {\n  return Array(count + 1).join(character)\n}\n\nfunction trimLeadingNewlines (string) {\n  return string.replace(/^\\n*/, '')\n}\n\nfunction trimTrailingNewlines (string) {\n  // avoid match-at-end regexp bottleneck, see #370\n  var indexEnd = string.length;\n  while (indexEnd > 0 && string[indexEnd - 1] === '\\n') indexEnd--;\n  return string.substring(0, indexEnd)\n}\n\nvar blockElements = [\n  'ADDRESS', 'ARTICLE', 'ASIDE', 'AUDIO', 'BLOCKQUOTE', 'BODY', 'CANVAS',\n  'CENTER', 'DD', 'DIR', 'DIV', 'DL', 'DT', 'FIELDSET', 'FIGCAPTION', 'FIGURE',\n  'FOOTER', 'FORM', 'FRAMESET', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6', 'HEADER',\n  'HGROUP', 'HR', 'HTML', 'ISINDEX', 'LI', 'MAIN', 'MENU', 'NAV', 'NOFRAMES',\n  'NOSCRIPT', 'OL', 'OUTPUT', 'P', 'PRE', 'SECTION', 'TABLE', 'TBODY', 'TD',\n  'TFOOT', 'TH', 'THEAD', 'TR', 'UL'\n];\n\nfunction isBlock (node) {\n  return is(node, blockElements)\n}\n\nvar voidElements = [\n  'AREA', 'BASE', 'BR', 'COL', 'COMMAND', 'EMBED', 'HR', 'IMG', 'INPUT',\n  'KEYGEN', 'LINK', 'META', 'PARAM', 'SOURCE', 'TRACK', 'WBR'\n];\n\nfunction isVoid (node) {\n  return is(node, voidElements)\n}\n\nfunction hasVoid (node) {\n  return has(node, voidElements)\n}\n\nvar meaningfulWhenBlankElements = [\n  'A', 'TABLE', 'THEAD', 'TBODY', 'TFOOT', 'TH', 'TD', 'IFRAME', 'SCRIPT',\n  'AUDIO', 'VIDEO'\n];\n\nfunction isMeaningfulWhenBlank (node) {\n  return is(node, meaningfulWhenBlankElements)\n}\n\nfunction hasMeaningfulWhenBlank (node) {\n  return has(node, meaningfulWhenBlankElements)\n}\n\nfunction is (node, tagNames) {\n  return tagNames.indexOf(node.nodeName) >= 0\n}\n\nfunction has (node, tagNames) {\n  return (\n    node.getElementsByTagName &&\n    tagNames.some(function (tagName) {\n      return node.getElementsByTagName(tagName).length\n    })\n  )\n}\n\nvar rules = {};\n\nrules.paragraph = {\n  filter: 'p',\n\n  replacement: function (content) {\n    return '\\n\\n' + content + '\\n\\n'\n  }\n};\n\nrules.lineBreak = {\n  filter: 'br',\n\n  replacement: function (content, node, options) {\n    return options.br + '\\n'\n  }\n};\n\nrules.heading = {\n  filter: ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],\n\n  replacement: function (content, node, options) {\n    var hLevel = Number(node.nodeName.charAt(1));\n\n    if (options.headingStyle === 'setext' && hLevel < 3) {\n      var underline = repeat((hLevel === 1 ? '=' : '-'), content.length);\n      return (\n        '\\n\\n' + content + '\\n' + underline + '\\n\\n'\n      )\n    } else {\n      return '\\n\\n' + repeat('#', hLevel) + ' ' + content + '\\n\\n'\n    }\n  }\n};\n\nrules.blockquote = {\n  filter: 'blockquote',\n\n  replacement: function (content) {\n    content = content.replace(/^\\n+|\\n+$/g, '');\n    content = content.replace(/^/gm, '> ');\n    return '\\n\\n' + content + '\\n\\n'\n  }\n};\n\nrules.list = {\n  filter: ['ul', 'ol'],\n\n  replacement: function (content, node) {\n    var parent = node.parentNode;\n    if (parent.nodeName === 'LI' && parent.lastElementChild === node) {\n      return '\\n' + content\n    } else {\n      return '\\n\\n' + content + '\\n\\n'\n    }\n  }\n};\n\nrules.listItem = {\n  filter: 'li',\n\n  replacement: function (content, node, options) {\n    content = content\n      .replace(/^\\n+/, '') // remove leading newlines\n      .replace(/\\n+$/, '\\n') // replace trailing newlines with just a single one\n      .replace(/\\n/gm, '\\n    '); // indent\n    var prefix = options.bulletListMarker + '   ';\n    var parent = node.parentNode;\n    if (parent.nodeName === 'OL') {\n      var start = parent.getAttribute('start');\n      var index = Array.prototype.indexOf.call(parent.children, node);\n      prefix = (start ? Number(start) + index : index + 1) + '.  ';\n    }\n    return (\n      prefix + content + (node.nextSibling && !/\\n$/.test(content) ? '\\n' : '')\n    )\n  }\n};\n\nrules.indentedCodeBlock = {\n  filter: function (node, options) {\n    return (\n      options.codeBlockStyle === 'indented' &&\n      node.nodeName === 'PRE' &&\n      node.firstChild &&\n      node.firstChild.nodeName === 'CODE'\n    )\n  },\n\n  replacement: function (content, node, options) {\n    return (\n      '\\n\\n    ' +\n      node.firstChild.textContent.replace(/\\n/g, '\\n    ') +\n      '\\n\\n'\n    )\n  }\n};\n\nrules.fencedCodeBlock = {\n  filter: function (node, options) {\n    return (\n      options.codeBlockStyle === 'fenced' &&\n      node.nodeName === 'PRE' &&\n      node.firstChild &&\n      node.firstChild.nodeName === 'CODE'\n    )\n  },\n\n  replacement: function (content, node, options) {\n    var className = node.firstChild.getAttribute('class') || '';\n    var language = (className.match(/language-(\\S+)/) || [null, ''])[1];\n    var code = node.firstChild.textContent;\n\n    var fenceChar = options.fence.charAt(0);\n    var fenceSize = 3;\n    var fenceInCodeRegex = new RegExp('^' + fenceChar + '{3,}', 'gm');\n\n    var match;\n    while ((match = fenceInCodeRegex.exec(code))) {\n      if (match[0].length >= fenceSize) {\n        fenceSize = match[0].length + 1;\n      }\n    }\n\n    var fence = repeat(fenceChar, fenceSize);\n\n    return (\n      '\\n\\n' + fence + language + '\\n' +\n      code.replace(/\\n$/, '') +\n      '\\n' + fence + '\\n\\n'\n    )\n  }\n};\n\nrules.horizontalRule = {\n  filter: 'hr',\n\n  replacement: function (content, node, options) {\n    return '\\n\\n' + options.hr + '\\n\\n'\n  }\n};\n\nrules.inlineLink = {\n  filter: function (node, options) {\n    return (\n      options.linkStyle === 'inlined' &&\n      node.nodeName === 'A' &&\n      node.getAttribute('href')\n    )\n  },\n\n  replacement: function (content, node) {\n    var href = node.getAttribute('href');\n    var title = cleanAttribute(node.getAttribute('title'));\n    if (title) title = ' \"' + title + '\"';\n    return '[' + content + '](' + href + title + ')'\n  }\n};\n\nrules.referenceLink = {\n  filter: function (node, options) {\n    return (\n      options.linkStyle === 'referenced' &&\n      node.nodeName === 'A' &&\n      node.getAttribute('href')\n    )\n  },\n\n  replacement: function (content, node, options) {\n    var href = node.getAttribute('href');\n    var title = cleanAttribute(node.getAttribute('title'));\n    if (title) title = ' \"' + title + '\"';\n    var replacement;\n    var reference;\n\n    switch (options.linkReferenceStyle) {\n      case 'collapsed':\n        replacement = '[' + content + '][]';\n        reference = '[' + content + ']: ' + href + title;\n        break\n      case 'shortcut':\n        replacement = '[' + content + ']';\n        reference = '[' + content + ']: ' + href + title;\n        break\n      default:\n        var id = this.references.length + 1;\n        replacement = '[' + content + '][' + id + ']';\n        reference = '[' + id + ']: ' + href + title;\n    }\n\n    this.references.push(reference);\n    return replacement\n  },\n\n  references: [],\n\n  append: function (options) {\n    var references = '';\n    if (this.references.length) {\n      references = '\\n\\n' + this.references.join('\\n') + '\\n\\n';\n      this.references = []; // Reset references\n    }\n    return references\n  }\n};\n\nrules.emphasis = {\n  filter: ['em', 'i'],\n\n  replacement: function (content, node, options) {\n    if (!content.trim()) return ''\n    return options.emDelimiter + content + options.emDelimiter\n  }\n};\n\nrules.strong = {\n  filter: ['strong', 'b'],\n\n  replacement: function (content, node, options) {\n    if (!content.trim()) return ''\n    return options.strongDelimiter + content + options.strongDelimiter\n  }\n};\n\nrules.code = {\n  filter: function (node) {\n    var hasSiblings = node.previousSibling || node.nextSibling;\n    var isCodeBlock = node.parentNode.nodeName === 'PRE' && !hasSiblings;\n\n    return node.nodeName === 'CODE' && !isCodeBlock\n  },\n\n  replacement: function (content) {\n    if (!content) return ''\n    content = content.replace(/\\r?\\n|\\r/g, ' ');\n\n    var extraSpace = /^`|^ .*?[^ ].* $|`$/.test(content) ? ' ' : '';\n    var delimiter = '`';\n    var matches = content.match(/`+/gm) || [];\n    while (matches.indexOf(delimiter) !== -1) delimiter = delimiter + '`';\n\n    return delimiter + extraSpace + content + extraSpace + delimiter\n  }\n};\n\nrules.image = {\n  filter: 'img',\n\n  replacement: function (content, node) {\n    var alt = cleanAttribute(node.getAttribute('alt'));\n    var src = node.getAttribute('src') || '';\n    var title = cleanAttribute(node.getAttribute('title'));\n    var titlePart = title ? ' \"' + title + '\"' : '';\n    return src ? '![' + alt + ']' + '(' + src + titlePart + ')' : ''\n  }\n};\n\nfunction cleanAttribute (attribute) {\n  return attribute ? attribute.replace(/(\\n+\\s*)+/g, '\\n') : ''\n}\n\n/**\n * Manages a collection of rules used to convert HTML to Markdown\n */\n\nfunction Rules (options) {\n  this.options = options;\n  this._keep = [];\n  this._remove = [];\n\n  this.blankRule = {\n    replacement: options.blankReplacement\n  };\n\n  this.keepReplacement = options.keepReplacement;\n\n  this.defaultRule = {\n    replacement: options.defaultReplacement\n  };\n\n  this.array = [];\n  for (var key in options.rules) this.array.push(options.rules[key]);\n}\n\nRules.prototype = {\n  add: function (key, rule) {\n    this.array.unshift(rule);\n  },\n\n  keep: function (filter) {\n    this._keep.unshift({\n      filter: filter,\n      replacement: this.keepReplacement\n    });\n  },\n\n  remove: function (filter) {\n    this._remove.unshift({\n      filter: filter,\n      replacement: function () {\n        return ''\n      }\n    });\n  },\n\n  forNode: function (node) {\n    if (node.isBlank) return this.blankRule\n    var rule;\n\n    if ((rule = findRule(this.array, node, this.options))) return rule\n    if ((rule = findRule(this._keep, node, this.options))) return rule\n    if ((rule = findRule(this._remove, node, this.options))) return rule\n\n    return this.defaultRule\n  },\n\n  forEach: function (fn) {\n    for (var i = 0; i < this.array.length; i++) fn(this.array[i], i);\n  }\n};\n\nfunction findRule (rules, node, options) {\n  for (var i = 0; i < rules.length; i++) {\n    var rule = rules[i];\n    if (filterValue(rule, node, options)) return rule\n  }\n  return void 0\n}\n\nfunction filterValue (rule, node, options) {\n  var filter = rule.filter;\n  if (typeof filter === 'string') {\n    if (filter === node.nodeName.toLowerCase()) return true\n  } else if (Array.isArray(filter)) {\n    if (filter.indexOf(node.nodeName.toLowerCase()) > -1) return true\n  } else if (typeof filter === 'function') {\n    if (filter.call(rule, node, options)) return true\n  } else {\n    throw new TypeError('`filter` needs to be a string, array, or function')\n  }\n}\n\n/**\n * The collapseWhitespace function is adapted from collapse-whitespace\n * by Luc Thevenard.\n *\n * The MIT License (MIT)\n *\n * Copyright (c) 2014 Luc Thevenard <lucthevenard@gmail.com>\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\n/**\n * collapseWhitespace(options) removes extraneous whitespace from an the given element.\n *\n * @param {Object} options\n */\nfunction collapseWhitespace (options) {\n  var element = options.element;\n  var isBlock = options.isBlock;\n  var isVoid = options.isVoid;\n  var isPre = options.isPre || function (node) {\n    return node.nodeName === 'PRE'\n  };\n\n  if (!element.firstChild || isPre(element)) return\n\n  var prevText = null;\n  var keepLeadingWs = false;\n\n  var prev = null;\n  var node = next(prev, element, isPre);\n\n  while (node !== element) {\n    if (node.nodeType === 3 || node.nodeType === 4) { // Node.TEXT_NODE or Node.CDATA_SECTION_NODE\n      var text = node.data.replace(/[ \\r\\n\\t]+/g, ' ');\n\n      if ((!prevText || / $/.test(prevText.data)) &&\n          !keepLeadingWs && text[0] === ' ') {\n        text = text.substr(1);\n      }\n\n      // `text` might be empty at this point.\n      if (!text) {\n        node = remove(node);\n        continue\n      }\n\n      node.data = text;\n\n      prevText = node;\n    } else if (node.nodeType === 1) { // Node.ELEMENT_NODE\n      if (isBlock(node) || node.nodeName === 'BR') {\n        if (prevText) {\n          prevText.data = prevText.data.replace(/ $/, '');\n        }\n\n        prevText = null;\n        keepLeadingWs = false;\n      } else if (isVoid(node) || isPre(node)) {\n        // Avoid trimming space around non-block, non-BR void elements and inline PRE.\n        prevText = null;\n        keepLeadingWs = true;\n      } else if (prevText) {\n        // Drop protection if set previously.\n        keepLeadingWs = false;\n      }\n    } else {\n      node = remove(node);\n      continue\n    }\n\n    var nextNode = next(prev, node, isPre);\n    prev = node;\n    node = nextNode;\n  }\n\n  if (prevText) {\n    prevText.data = prevText.data.replace(/ $/, '');\n    if (!prevText.data) {\n      remove(prevText);\n    }\n  }\n}\n\n/**\n * remove(node) removes the given node from the DOM and returns the\n * next node in the sequence.\n *\n * @param {Node} node\n * @return {Node} node\n */\nfunction remove (node) {\n  var next = node.nextSibling || node.parentNode;\n\n  node.parentNode.removeChild(node);\n\n  return next\n}\n\n/**\n * next(prev, current, isPre) returns the next node in the sequence, given the\n * current and previous nodes.\n *\n * @param {Node} prev\n * @param {Node} current\n * @param {Function} isPre\n * @return {Node}\n */\nfunction next (prev, current, isPre) {\n  if ((prev && prev.parentNode === current) || isPre(current)) {\n    return current.nextSibling || current.parentNode\n  }\n\n  return current.firstChild || current.nextSibling || current.parentNode\n}\n\n/*\n * Set up window for Node.js\n */\n\nvar root = (typeof window !== 'undefined' ? window : {});\n\n/*\n * Parsing HTML strings\n */\n\nfunction canParseHTMLNatively () {\n  var Parser = root.DOMParser;\n  var canParse = false;\n\n  // Adapted from https://gist.github.com/1129031\n  // Firefox/Opera/IE throw errors on unsupported types\n  try {\n    // WebKit returns null on unsupported types\n    if (new Parser().parseFromString('', 'text/html')) {\n      canParse = true;\n    }\n  } catch (e) {}\n\n  return canParse\n}\n\nfunction createHTMLParser () {\n  var Parser = function () {};\n\n  {\n    if (shouldUseActiveX()) {\n      Parser.prototype.parseFromString = function (string) {\n        var doc = new window.ActiveXObject('htmlfile');\n        doc.designMode = 'on'; // disable on-page scripts\n        doc.open();\n        doc.write(string);\n        doc.close();\n        return doc\n      };\n    } else {\n      Parser.prototype.parseFromString = function (string) {\n        var doc = document.implementation.createHTMLDocument('');\n        doc.open();\n        doc.write(string);\n        doc.close();\n        return doc\n      };\n    }\n  }\n  return Parser\n}\n\nfunction shouldUseActiveX () {\n  var useActiveX = false;\n  try {\n    document.implementation.createHTMLDocument('').open();\n  } catch (e) {\n    if (window.ActiveXObject) useActiveX = true;\n  }\n  return useActiveX\n}\n\nvar HTMLParser = canParseHTMLNatively() ? root.DOMParser : createHTMLParser();\n\nfunction RootNode (input, options) {\n  var root;\n  if (typeof input === 'string') {\n    var doc = htmlParser().parseFromString(\n      // DOM parsers arrange elements in the <head> and <body>.\n      // Wrapping in a custom element ensures elements are reliably arranged in\n      // a single element.\n      '<x-turndown id=\"turndown-root\">' + input + '</x-turndown>',\n      'text/html'\n    );\n    root = doc.getElementById('turndown-root');\n  } else {\n    root = input.cloneNode(true);\n  }\n  collapseWhitespace({\n    element: root,\n    isBlock: isBlock,\n    isVoid: isVoid,\n    isPre: options.preformattedCode ? isPreOrCode : null\n  });\n\n  return root\n}\n\nvar _htmlParser;\nfunction htmlParser () {\n  _htmlParser = _htmlParser || new HTMLParser();\n  return _htmlParser\n}\n\nfunction isPreOrCode (node) {\n  return node.nodeName === 'PRE' || node.nodeName === 'CODE'\n}\n\nfunction Node (node, options) {\n  node.isBlock = isBlock(node);\n  node.isCode = node.nodeName === 'CODE' || node.parentNode.isCode;\n  node.isBlank = isBlank(node);\n  node.flankingWhitespace = flankingWhitespace(node, options);\n  return node\n}\n\nfunction isBlank (node) {\n  return (\n    !isVoid(node) &&\n    !isMeaningfulWhenBlank(node) &&\n    /^\\s*$/i.test(node.textContent) &&\n    !hasVoid(node) &&\n    !hasMeaningfulWhenBlank(node)\n  )\n}\n\nfunction flankingWhitespace (node, options) {\n  if (node.isBlock || (options.preformattedCode && node.isCode)) {\n    return { leading: '', trailing: '' }\n  }\n\n  var edges = edgeWhitespace(node.textContent);\n\n  // abandon leading ASCII WS if left-flanked by ASCII WS\n  if (edges.leadingAscii && isFlankedByWhitespace('left', node, options)) {\n    edges.leading = edges.leadingNonAscii;\n  }\n\n  // abandon trailing ASCII WS if right-flanked by ASCII WS\n  if (edges.trailingAscii && isFlankedByWhitespace('right', node, options)) {\n    edges.trailing = edges.trailingNonAscii;\n  }\n\n  return { leading: edges.leading, trailing: edges.trailing }\n}\n\nfunction edgeWhitespace (string) {\n  var m = string.match(/^(([ \\t\\r\\n]*)(\\s*))[\\s\\S]*?((\\s*?)([ \\t\\r\\n]*))$/);\n  return {\n    leading: m[1], // whole string for whitespace-only strings\n    leadingAscii: m[2],\n    leadingNonAscii: m[3],\n    trailing: m[4], // empty for whitespace-only strings\n    trailingNonAscii: m[5],\n    trailingAscii: m[6]\n  }\n}\n\nfunction isFlankedByWhitespace (side, node, options) {\n  var sibling;\n  var regExp;\n  var isFlanked;\n\n  if (side === 'left') {\n    sibling = node.previousSibling;\n    regExp = / $/;\n  } else {\n    sibling = node.nextSibling;\n    regExp = /^ /;\n  }\n\n  if (sibling) {\n    if (sibling.nodeType === 3) {\n      isFlanked = regExp.test(sibling.nodeValue);\n    } else if (options.preformattedCode && sibling.nodeName === 'CODE') {\n      isFlanked = false;\n    } else if (sibling.nodeType === 1 && !isBlock(sibling)) {\n      isFlanked = regExp.test(sibling.textContent);\n    }\n  }\n  return isFlanked\n}\n\nvar reduce = Array.prototype.reduce;\nvar escapes = [\n  [/\\\\/g, '\\\\\\\\'],\n  [/\\*/g, '\\\\*'],\n  [/^-/g, '\\\\-'],\n  [/^\\+ /g, '\\\\+ '],\n  [/^(=+)/g, '\\\\$1'],\n  [/^(#{1,6}) /g, '\\\\$1 '],\n  [/`/g, '\\\\`'],\n  [/^~~~/g, '\\\\~~~'],\n  [/\\[/g, '\\\\['],\n  [/\\]/g, '\\\\]'],\n  [/^>/g, '\\\\>'],\n  [/_/g, '\\\\_'],\n  [/^(\\d+)\\. /g, '$1\\\\. ']\n];\n\nfunction TurndownService (options) {\n  if (!(this instanceof TurndownService)) return new TurndownService(options)\n\n  var defaults = {\n    rules: rules,\n    headingStyle: 'setext',\n    hr: '* * *',\n    bulletListMarker: '*',\n    codeBlockStyle: 'indented',\n    fence: '```',\n    emDelimiter: '_',\n    strongDelimiter: '**',\n    linkStyle: 'inlined',\n    linkReferenceStyle: 'full',\n    br: '  ',\n    preformattedCode: false,\n    blankReplacement: function (content, node) {\n      return node.isBlock ? '\\n\\n' : ''\n    },\n    keepReplacement: function (content, node) {\n      return node.isBlock ? '\\n\\n' + node.outerHTML + '\\n\\n' : node.outerHTML\n    },\n    defaultReplacement: function (content, node) {\n      return node.isBlock ? '\\n\\n' + content + '\\n\\n' : content\n    }\n  };\n  this.options = extend({}, defaults, options);\n  this.rules = new Rules(this.options);\n}\n\nTurndownService.prototype = {\n  /**\n   * The entry point for converting a string or DOM node to Markdown\n   * @public\n   * @param {String|HTMLElement} input The string or DOM node to convert\n   * @returns A Markdown representation of the input\n   * @type String\n   */\n\n  turndown: function (input) {\n    if (!canConvert(input)) {\n      throw new TypeError(\n        input + ' is not a string, or an element/document/fragment node.'\n      )\n    }\n\n    if (input === '') return ''\n\n    var output = process.call(this, new RootNode(input, this.options));\n    return postProcess.call(this, output)\n  },\n\n  /**\n   * Add one or more plugins\n   * @public\n   * @param {Function|Array} plugin The plugin or array of plugins to add\n   * @returns The Turndown instance for chaining\n   * @type Object\n   */\n\n  use: function (plugin) {\n    if (Array.isArray(plugin)) {\n      for (var i = 0; i < plugin.length; i++) this.use(plugin[i]);\n    } else if (typeof plugin === 'function') {\n      plugin(this);\n    } else {\n      throw new TypeError('plugin must be a Function or an Array of Functions')\n    }\n    return this\n  },\n\n  /**\n   * Adds a rule\n   * @public\n   * @param {String} key The unique key of the rule\n   * @param {Object} rule The rule\n   * @returns The Turndown instance for chaining\n   * @type Object\n   */\n\n  addRule: function (key, rule) {\n    this.rules.add(key, rule);\n    return this\n  },\n\n  /**\n   * Keep a node (as HTML) that matches the filter\n   * @public\n   * @param {String|Array|Function} filter The unique key of the rule\n   * @returns The Turndown instance for chaining\n   * @type Object\n   */\n\n  keep: function (filter) {\n    this.rules.keep(filter);\n    return this\n  },\n\n  /**\n   * Remove a node that matches the filter\n   * @public\n   * @param {String|Array|Function} filter The unique key of the rule\n   * @returns The Turndown instance for chaining\n   * @type Object\n   */\n\n  remove: function (filter) {\n    this.rules.remove(filter);\n    return this\n  },\n\n  /**\n   * Escapes Markdown syntax\n   * @public\n   * @param {String} string The string to escape\n   * @returns A string with Markdown syntax escaped\n   * @type String\n   */\n\n  escape: function (string) {\n    return escapes.reduce(function (accumulator, escape) {\n      return accumulator.replace(escape[0], escape[1])\n    }, string)\n  }\n};\n\n/**\n * Reduces a DOM node down to its Markdown string equivalent\n * @private\n * @param {HTMLElement} parentNode The node to convert\n * @returns A Markdown representation of the node\n * @type String\n */\n\nfunction process (parentNode) {\n  var self = this;\n  return reduce.call(parentNode.childNodes, function (output, node) {\n    node = new Node(node, self.options);\n\n    var replacement = '';\n    if (node.nodeType === 3) {\n      replacement = node.isCode ? node.nodeValue : self.escape(node.nodeValue);\n    } else if (node.nodeType === 1) {\n      replacement = replacementForNode.call(self, node);\n    }\n\n    return join(output, replacement)\n  }, '')\n}\n\n/**\n * Appends strings as each rule requires and trims the output\n * @private\n * @param {String} output The conversion output\n * @returns A trimmed version of the ouput\n * @type String\n */\n\nfunction postProcess (output) {\n  var self = this;\n  this.rules.forEach(function (rule) {\n    if (typeof rule.append === 'function') {\n      output = join(output, rule.append(self.options));\n    }\n  });\n\n  return output.replace(/^[\\t\\r\\n]+/, '').replace(/[\\t\\r\\n\\s]+$/, '')\n}\n\n/**\n * Converts an element node to its Markdown equivalent\n * @private\n * @param {HTMLElement} node The node to convert\n * @returns A Markdown representation of the node\n * @type String\n */\n\nfunction replacementForNode (node) {\n  var rule = this.rules.forNode(node);\n  var content = process.call(this, node);\n  var whitespace = node.flankingWhitespace;\n  if (whitespace.leading || whitespace.trailing) content = content.trim();\n  return (\n    whitespace.leading +\n    rule.replacement(content, node, this.options) +\n    whitespace.trailing\n  )\n}\n\n/**\n * Joins replacement to the current output with appropriate number of new lines\n * @private\n * @param {String} output The current conversion output\n * @param {String} replacement The string to append to the output\n * @returns Joined output\n * @type String\n */\n\nfunction join (output, replacement) {\n  var s1 = trimTrailingNewlines(output);\n  var s2 = trimLeadingNewlines(replacement);\n  var nls = Math.max(output.length - s1.length, replacement.length - s2.length);\n  var separator = '\\n\\n'.substring(0, nls);\n\n  return s1 + separator + s2\n}\n\n/**\n * Determines whether an input can be converted\n * @private\n * @param {String|HTMLElement} input Describe this parameter\n * @returns Describe what it returns\n * @type String|Object|Array|Boolean|Number\n */\n\nfunction canConvert (input) {\n  return (\n    input != null && (\n      typeof input === 'string' ||\n      (input.nodeType && (\n        input.nodeType === 1 || input.nodeType === 9 || input.nodeType === 11\n      ))\n    )\n  )\n}\n\nexport default TurndownService;\n","\n/**\n * Replace whitespace of text nodes within the given parents in the given root element.\n * @param {*} root An HTMLElement to look for text nodes within\n * @param {*} allowed_whitespace_nodes String array of allowed text nodes ( ['STRONG', 'EM'] ... )\n * @param {*} allowed_raw_nodes String array of allowed raw text nodes ( ['PRE', 'CODE'] ... )\n */\nexport function textNodesPreprocessor(root, allowed_whitespace_nodes, allowed_raw_nodes) {\n\tallowed_whitespace_nodes = allowed_whitespace_nodes.map(el => el.toUpperCase());\n\tallowed_raw_nodes = allowed_raw_nodes.map(el => el.toUpperCase());\n\n\tlet walker = document.createNodeIterator(\n\t\troot,\n\t\t// Only consider text nodes\n\t\tNodeFilter.SHOW_TEXT,\n\t  );\n\n\tlet node;\n\twhile(node = walker.nextNode()) {\n\t\t// Strip NBSP whitespace in given nodes\n\t\tif ( node.parentElement && allowed_whitespace_nodes.indexOf(node.parentElement.nodeName) >= 0) {\n\t\tnode.nodeValue = node.nodeValue\n\t\t\t.replace(/^[\\u00a0]+/g, ' ')\n\t\t\t.replace(/[\\u00a0]+$/g, ' ');\n\t\t}\n\n\t\t// Re-encode < and > that would otherwise be output as HTML by turndown\n\t\t// https://github.com/domchristie/turndown/issues/106\n\t\tif (!hasParentOfType(node, allowed_raw_nodes)) {\n\t\t\tnode.nodeValue = _.escape(node.nodeValue);\n\t\t}\n\t}\n}\n\n/**\n * Replace links of A elements with their computed .href attribute\n * https://community.ooject.com/wp/29742\n * @param {} root\n * @param {*} allowed_whitespace_nodes\n * @param {*} allowed_raw_nodes\n */\nexport function linkPreprocessor(root, allowed_whitespace_nodes, allowed_raw_nodes) {\n\tlet walker = document.createNodeIterator(\n\t\troot,\n\t\t// Only consider element nodes\n\t\tNodeFilter.SHOW_ELEMENT,\n\t\t// Accept only A tags\n\t\tfunction(node) {\n\t\t\treturn node.nodeName.toLowerCase() === 'a' ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_REJECT;\n\t\t}\n\t  );\n\n\tlet node;\n\twhile(node = walker.nextNode()) {\n\t\t// node.href is properly escaped, while the attribute is not\n\t\t// and turndown uses the getAttribute version\n\t\tnode.setAttribute('href', node.href);\n\t}\n}\n\n\nexport function hasParentOfType(node, tagNames) {\n\tlet parent = node.parentElement;\n\n\twhile (parent) {\n\t\tif (tagNames.indexOf(parent.tagName) >= 0) {\n\t\t\treturn true;\n\t\t}\n\n\t\tparent = parent.parentElement;\n\t}\n\n\treturn false;\n}\n","/**\n * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\n/**\n * @module markdown-gfm/commonmarkdataprocessor\n */\n\n/* eslint-env browser */\n\nimport HtmlDataProcessor from '@ckeditor/ckeditor5-engine/src/dataprocessor/htmldataprocessor';\nimport DomConverter from '@ckeditor/ckeditor5-engine/src/view/domconverter';\nimport {highlightedCodeBlock} from 'turndown-plugin-gfm';\nimport TurndownService from 'turndown';\nimport {textNodesPreprocessor, linkPreprocessor} from './utils/preprocessor';\nimport {removeParagraphsInLists} from './utils/paragraph-in-lists';\nimport {fixEmptyCodeBlocks} from \"./utils/fix-empty-code-blocks\";\n\nexport const originalSrcAttribute = 'data-original-src';\n\n/**\n * This data processor implementation uses CommonMark as input/output data.\n *\n * @implements module:engine/dataprocessor/dataprocessor~DataProcessor\n */\nexport default class CommonMarkDataProcessor {\n\tconstructor(document) {\n\t\tthis._htmlDP = new HtmlDataProcessor(document);\n\t\tthis._domConverter = new DomConverter(document);\n\t}\n\n\t/**\n\t * Converts the provided CommonMark string to view tree.\n\t *\n\t * @param {String} data A CommonMark string.\n\t * @returns {module:engine/view/documentfragment~DocumentFragment} The converted view element.\n\t */\n\ttoView( data ) {\n\t\tconst md = require( 'markdown-it' )( {\n\t\t\t// Output html\n\t\t\thtml: true,\n\t\t\t// Use GFM language fence prefix\n\t\t\tlangPrefix: 'language-',\n\t\t} );\n\n\t\t// Use tasklist plugin\n\t\tlet taskLists = require('markdown-it-task-lists');\n\t\tlet parser = md.use(taskLists, {label: true});\n\n\t\tconst html = parser.render( data );\n\n\t\t// Convert input HTML data to DOM DocumentFragment.\n\t\tconst domFragment = this._htmlDP._toDom( html );\n\n\t\t// Fix some CommonMark specifics\n\t\t// Paragraphs within list elements (https://community.openproject.com/work_packages/28765)\n\t\tremoveParagraphsInLists( domFragment );\n\n\t\t// Fix empty code blocks\n\t\tfixEmptyCodeBlocks( domFragment );\n\n\t\t// Convert DOM DocumentFragment to view DocumentFragment.\n\t\treturn this._domConverter.domToView( domFragment );\n\t}\n\n\t/**\n\t * Converts the provided {@link module:engine/view/documentfragment~DocumentFragment} to data format &mdash; in this\n\t * case to a CommonMark string.\n\t *\n\t * @param {module:engine/view/documentfragment~DocumentFragment} viewFragment\n\t * @returns {String} CommonMark string.\n\t */\n\ttoData( viewFragment ) {\n\t\t// Convert view DocumentFragment to DOM DocumentFragment.\n\t\tconst domFragment = this._domConverter.viewToDom( viewFragment, document );\n\n\t\t// Replace leading and trailing nbsp at the end of strong and em tags\n\t\t// with single spaces\n\t\ttextNodesPreprocessor(\n\t\t\tdomFragment,\n\t\t\t['strong', 'em'],\n\t\t\t// Ensure tables are allowed to have HTML contents\n\t\t\t// OP#29457\n\t\t\t['pre', 'code', 'table']\n\t\t);\n\n\t\t// Replace link attributes with their computed href attribute\n\t\tlinkPreprocessor(domFragment);\n\n\t\t// Use Turndown to convert DOM fragment to markdown\n\t\tconst turndownService = new TurndownService( {\n\t\t\theadingStyle: 'atx',\n\t\t\tcodeBlockStyle: 'fenced'\n\t\t} );\n\n\t\tturndownService.use([\n\t\t\thighlightedCodeBlock,\n\t\t]);\n\n\t\t// Replace todolist with markdown representation\n\t\tturndownService.addRule('todolist', {\n\t\t\tfilter: function (node) {\n\t\t\t\t// check if we're a todo list item\n\t\t\t\tif (node.nodeName !== 'LI') {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\t// Check for a parent ul, this LI might however be in an OL item\n\t\t\t\tconst parentUl = node.closest('ul');\n\t\t\t\treturn parentUl && parentUl.classList.contains('todo-list');\n\t\t\t},\n\t\t\treplacement: function (content, node, options) {\n\t\t\t\tcontent = content\n\t\t\t\t\t.replace(/^\\n+/, '') // remove leading newlines\n\t\t\t\t\t.replace(/\\n+$/, '\\n') // replace trailing newlines with just a single one\n\t\t\t\t\t.replace(/\\n/gm, '\\n    '); // indent\n\n\t\t\t\tconst prefix = options.bulletListMarker + '   ';\n\t\t\t\tconst input = node.querySelector('input[type=checkbox]');\n\t\t\t\tconst tasklist = (input && input.checked) ? '[x] ' : '[ ] ';\n\t\t\t\treturn prefix + tasklist + content + (node.nextSibling && !/\\n$/.test(content) ? '\\n' : '');\n\t\t\t}\n\t\t});\n\n\t\tturndownService.addRule('imageFigure', {\n\t\t\tfilter: 'img',\n\t\t\treplacement: function (content, node) {\n\t\t\t\tconst parent = node.parentElement;\n\t\t\t\tif (parent && parent.parentElement) {\n\t\t\t\t\treturn parent.parentElement.outerHTML;\n\t\t\t\t}\n\n\t\t\t\treturn parent.outerHTML;\n\t\t\t}\n\t\t});\n\n\t\t// Remove figcaption text, it is processed together with the\n\t\t// figure and the image in the imageFigure rule\n\t\tturndownService.addRule('figcaption', {\n\t\t\tfilter: 'figcaption',\n\t\t\treplacement: function (content, node) {\n\t\t\t\treturn '';\n\t\t\t}\n\t\t});\n\n\t\t// Keep HTML tables and remove filler elements\n\t\tturndownService.addRule('htmlTables', {\n\t\t\tfilter: function (node) {\n\t\t\t\tconst tables = node.getElementsByTagName('table');\n\t\t\t\t// check if we're a todo list item\n\t\t\t\treturn node.nodeName === 'FIGURE' && tables.length;\n\t\t\t},\n\t\t\treplacement: function (_content, node) {\n\t\t\t\t// Remove filler nodes\n\t\t\t\tnode.querySelectorAll('td br[data-cke-filler]')\n\t\t\t\t\t.forEach((node) => node.remove());\n\n\t\t\t\treturn node.outerHTML;\n\t\t\t}\n\t\t});\n\n\t\tturndownService.addRule('strikethrough', {\n\t\t\tfilter: ['del', 's', 'strike'],\n\t\t\treplacement: function (content) {\n\t\t\t\treturn '~~' + content + '~~'\n\t\t\t}\n\t\t});\n\n\t\tturndownService.addRule( 'openProjectMacros', {\n\t\t\tfilter: [ 'macro' ],\n\t\t\treplacement: ( _content, node ) => {\n\t\t\t\tnode.innerHTML = '';\n\t\t\t\tconst outer = node.outerHTML;\n\t\t\t\treturn outer.replace(\"</macro>\", \"\\n</macro>\")\n\t\t\t}\n\t\t});\n\n\t\tturndownService.addRule( 'mentions', {\n\t\t\tfilter: (node) => {\n\t\t\t\treturn (\n\t\t\t\t\tnode.nodeName === 'MENTION' &&\n\t\t\t\t\tnode.classList.contains('mention')\n\t\t\t\t)\n\t\t\t},\n\t\t\treplacement: ( _content, node ) => node.outerHTML,\n\t\t});\n\n\t\treturn turndownService.turndown( domFragment );\n\t}\n}\n","\n/**\n * Remove paragraphs within lists since they will be stripped by CKEditor\n * https://community.openproject.com/work_packages/28765\n */\nexport function removeParagraphsInLists(root) {\n\tconst walker = document.createNodeIterator(\n\t\troot,\n\t\t// Only consider element nodes\n\t\tNodeFilter.SHOW_ELEMENT,\n\t\t// Only except text nodes whose parent is one of parents\n\t\t  { acceptNode: function(node) {\n\t\t\tif ( node.tagName === 'P' && node.parentElement && node.parentElement.tagName === 'LI') {\n\t\t\t  return NodeFilter.FILTER_ACCEPT;\n\t\t\t}\n\t\t  }\n\t\t},\n\t\tfalse\n\t  );\n\n\tlet node;\n\twhile(node = walker.nextNode()) {\n\t\tnode.outerHTML = node.innerHTML;\n\t}\n}\n","\n/**\n * Empty code blocks break CKEditor so fix them for now\n * https://community.openproject.com/work_packages/31749\n */\nexport function fixEmptyCodeBlocks(root) {\n\tlet walker = document.createNodeIterator(\n\t\troot,\n\t\t// Only consider element nodes\n\t\tNodeFilter.SHOW_ELEMENT,\n\t\t// Only except text nodes whose parent is one of parents\n\t\t  { acceptNode: function(node) {\n\t\t\tif ( node.tagName === 'CODE' && node.parentElement && node.parentElement.tagName === 'PRE') {\n\t\t\t  return NodeFilter.FILTER_ACCEPT;\n\t\t\t}\n\t\t  }\n\t\t},\n\t\tfalse\n\t  );\n\n\tlet node;\n\twhile(node = walker.nextNode()) {\n\t\tif (node.children.length === 0 && !node.textContent) {\n\t\t\tnode.textContent = \"\\n\"\n\t\t}\n\t}\n}\n","export default \"<?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\"?>\\n<svg\\n   xmlns:dc=\\\"http://purl.org/dc/elements/1.1/\\\"\\n   xmlns:cc=\\\"http://creativecommons.org/ns#\\\"\\n   xmlns:rdf=\\\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\\\"\\n   xmlns:svg=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns:sodipodi=\\\"http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd\\\"\\n   xmlns:inkscape=\\\"http://www.inkscape.org/namespaces/inkscape\\\"\\n   class=\\\"ck ck-icon ck-button__icon\\\"\\n   viewBox=\\\"0 0 20 20\\\"\\n   version=\\\"1.1\\\"\\n   id=\\\"svg10\\\"\\n   sodipodi:docname=\\\"source.svg\\\"\\n   inkscape:version=\\\"0.92.3 (2405546, 2018-03-11)\\\">\\n  <defs\\n     id=\\\"defs14\\\" />\\n  <sodipodi:namedview\\n     pagecolor=\\\"#ffffff\\\"\\n     bordercolor=\\\"#666666\\\"\\n     borderopacity=\\\"1\\\"\\n     objecttolerance=\\\"10\\\"\\n     gridtolerance=\\\"10\\\"\\n     guidetolerance=\\\"10\\\"\\n     inkscape:pageopacity=\\\"0\\\"\\n     inkscape:pageshadow=\\\"2\\\"\\n     inkscape:window-width=\\\"640\\\"\\n     inkscape:window-height=\\\"480\\\"\\n     id=\\\"namedview12\\\"\\n     showgrid=\\\"false\\\"\\n     inkscape:zoom=\\\"33.37544\\\"\\n     inkscape:cx=\\\"10.656564\\\"\\n     inkscape:cy=\\\"13.670445\\\"\\n     inkscape:current-layer=\\\"svg10\\\" />\\n  <g\\n     id=\\\"g8\\\"\\n     style=\\\"fill:#000000;fill-rule:evenodd\\\"\\n     transform=\\\"matrix(0.8751128,0,0,0.8751128,4.2423992,5.525391)\\\">\\n    <g\\n       id=\\\"g6\\\"\\n       style=\\\"fill:#000000\\\">\\n      <g\\n         transform=\\\"translate(2,5.6)\\\"\\n         id=\\\"g4\\\"\\n         style=\\\"fill:#000000\\\">\\n        <path\\n           d=\\\"M 10.5,0.1 15.7,4 v 1.3 l -5.6,4 C 10,9.5 9.8,9.5 9.6,9.5 9.3,9.4 9,8.8 9,8.5 L 9.3,8.1 14,4.6 9.5,1.4 9.3,1.2 C 9.2,0.9 9.2,0.6 9.3,0.4 9.5,0.2 9.8,0 10.1,0 a 0.8,0.8 0 0 1 0.4,0.1 z M 5.3,0.1 0,4 v 1.3 l 5.6,4 C 5.7,9.5 5.9,9.5 6.1,9.5 6.4,9.4 6.8,8.8 6.7,8.5 6.7,8.4 6.7,8.2 6.5,8.1 L 1.5,4.6 6.2,1.4 6.4,1.2 C 6.5,0.9 6.5,0.6 6.4,0.4 6.2,0.2 5.9,0 5.6,0 A 0.8,0.8 0 0 0 5.3,0.1 Z\\\"\\n           id=\\\"path2\\\"\\n           inkscape:connector-curvature=\\\"0\\\"\\n           style=\\\"fill:#000000\\\" />\\n      </g>\\n    </g>\\n  </g>\\n  <metadata\\n     id=\\\"metadata4596\\\">\\n    <rdf:RDF>\\n      <cc:Work\\n         rdf:about=\\\"\\\">\\n        <dc:title></dc:title>\\n        <dc:format>image/svg+xml</dc:format>\\n        <dc:type\\n           rdf:resource=\\\"http://purl.org/dc/dcmitype/StillImage\\\" />\\n      </cc:Work>\\n    </rdf:RDF>\\n  </metadata>\\n  <path\\n     style=\\\"stroke-width:0.0390625\\\"\\n     d=\\\"M 1.2772336,0.02277222 V 20.022772 H 6.2381712 V 18.225897 H 3.0741087 V 1.8196472 h 8.2031253 l 3.554687,3.59375 v 3.5546875 h 1.796875 V 4.6712097 L 12.019421,0.02277222 Z\\\"\\n     id=\\\"path2-3\\\"\\n     inkscape:connector-curvature=\\\"0\\\" />\\n</svg>\\n\";","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/mentioncommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { CKEditorError, toMap } from 'ckeditor5/src/utils';\n\nimport { _addMentionAttributes } from './mentionediting';\n\n/**\n * The mention command.\n *\n * The command is registered by {@link module:mention/mentionediting~MentionEditing} as `'mention'`.\n *\n * To insert a mention onto a range, execute the command and specify a mention object with a range to replace:\n *\n *\t\tconst focus = editor.model.document.selection.focus;\n *\n *\t\t// It will replace one character before the selection focus with the '#1234' text\n *\t\t// with the mention attribute filled with passed attributes.\n *\t\teditor.execute( 'mention', {\n *\t\t\tmarker: '#',\n *\t\t\tmention: {\n *\t\t\t\tid: '#1234',\n *\t\t\t\tname: 'Foo',\n *\t\t\t\ttitle: 'Big Foo'\n *\t\t\t},\n *\t\t\trange: model.createRange( focus, focus.getShiftedBy( -1 ) )\n *\t\t} );\n *\n *\t\t// It will replace one character before the selection focus with the 'The \"Big Foo\"' text\n *\t\t// with the mention attribute filled with passed attributes.\n *\t\teditor.execute( 'mention', {\n *\t\t\tmarker: '#',\n *\t\t\tmention: {\n *\t\t\t\tid: '#1234',\n *\t\t\t\tname: 'Foo',\n *\t\t\t\ttitle: 'Big Foo'\n *\t\t\t},\n *\t\t\ttext: 'The \"Big Foo\"',\n *\t\t\trange: model.createRange( focus, focus.getShiftedBy( -1 ) )\n *\t\t} );\n *\n * @extends module:core/command~Command\n */\nexport default class MentionCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tthis.isEnabled = model.schema.checkAttributeInSelection( doc.selection, 'mention' );\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @param {Object} [options] Options for the executed command.\n\t * @param {Object|String} options.mention The mention object to insert. When a string is passed, it will be used to create a plain\n\t * object with the name attribute that equals the passed string.\n\t * @param {String} options.marker The marker character (e.g. `'@'`).\n\t * @param {String} [options.text] The text of the inserted mention. Defaults to the full mention string composed from `marker` and\n\t * `mention` string or `mention.id` if an object is passed.\n\t * @param {module:engine/model/range~Range} [options.range] The range to replace.\n\t * Note that the replaced range might be shorter than the inserted text with the mention attribute.\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\t\tconst selection = document.selection;\n\n\t\tconst mentionData = typeof options.mention == 'string' ? { id: options.mention } : options.mention;\n\t\tconst mentionID = mentionData.id;\n\n\t\tconst range = options.range || selection.getFirstRange();\n\n\t\tconst mentionText = options.text || mentionID;\n\n\t\tconst mention = _addMentionAttributes( { _text: mentionText, id: mentionID }, mentionData );\n\n\t\tif ( options.marker.length != 1 ) {\n\t\t\t/**\n\t\t\t * The marker must be a single character.\n\t\t\t *\n\t\t\t * Correct markers: `'@'`, `'#'`.\n\t\t\t *\n\t\t\t * Incorrect markers: `'$$'`, `'[@'`.\n\t\t\t *\n\t\t\t * See {@link module:mention/mention~MentionConfig}.\n\t\t\t *\n\t\t\t * @error mentioncommand-incorrect-marker\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'mentioncommand-incorrect-marker',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tif ( mentionID.charAt( 0 ) != options.marker ) {\n\t\t\t/**\n\t\t\t * The feed item ID must start with the marker character.\n\t\t\t *\n\t\t\t * Correct mention feed setting:\n\t\t\t *\n\t\t\t *\t\tmentions: [\n\t\t\t *\t\t\t{\n\t\t\t *\t\t\t\tmarker: '@',\n\t\t\t *\t\t\t\tfeed: [ '@Ann', '@Barney', ... ]\n\t\t\t *\t\t\t}\n\t\t\t *\t\t]\n\t\t\t *\n\t\t\t * Incorrect mention feed setting:\n\t\t\t *\n\t\t\t *\t\tmentions: [\n\t\t\t *\t\t\t{\n\t\t\t *\t\t\t\tmarker: '@',\n\t\t\t *\t\t\t\tfeed: [ 'Ann', 'Barney', ... ]\n\t\t\t *\t\t\t}\n\t\t\t *\t\t]\n\t\t\t *\n\t\t\t * See {@link module:mention/mention~MentionConfig}.\n\t\t\t *\n\t\t\t * @error mentioncommand-incorrect-id\n\t\t\t */\n\t\t\tthrow new CKEditorError(\n\t\t\t\t'mentioncommand-incorrect-id',\n\t\t\t\tthis\n\t\t\t);\n\t\t}\n\n\t\tmodel.change( writer => {\n\t\t\tconst currentAttributes = toMap( selection.getAttributes() );\n\t\t\tconst attributesWithMention = new Map( currentAttributes.entries() );\n\n\t\t\tattributesWithMention.set( 'mention', mention );\n\n\t\t\t// Replace a range with the text with a mention.\n\t\t\tmodel.insertContent( writer.createText( mentionText, attributesWithMention ), range );\n\t\t\tmodel.insertContent( writer.createText( ' ', currentAttributes ), range.start.getShiftedBy( mentionText.length ) );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/mentionediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { uid } from 'ckeditor5/src/utils';\n\nimport MentionCommand from './mentioncommand';\n\n/**\n * The mention editing feature.\n *\n * It introduces the {@link module:mention/mentioncommand~MentionCommand command} and the `mention`\n * attribute in the {@link module:engine/model/model~Model model} which renders in the {@link module:engine/view/view view}\n * as a `<span class=\"mention\" data-mention=\"@mention\">`.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class MentionEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'MentionEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst doc = model.document;\n\n\t\t// Allow the mention attribute on all text nodes.\n\t\tmodel.schema.extend( '$text', { allowAttributes: 'mention' } );\n\n\t\t// Upcast conversion.\n\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tkey: 'data-mention',\n\t\t\t\tclasses: 'mention'\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'mention',\n\t\t\t\tvalue: viewElement => _toMentionAttribute( viewElement )\n\t\t\t}\n\t\t} );\n\n\t\t// Downcast conversion.\n\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t\t\tmodel: 'mention',\n\t\t\tview: createViewMentionElement\n\t\t} );\n\t\teditor.conversion.for( 'downcast' ).add( preventPartialMentionDowncast );\n\n\t\tdoc.registerPostFixer( writer => removePartialMentionPostFixer( writer, doc, model.schema ) );\n\t\tdoc.registerPostFixer( writer => extendAttributeOnMentionPostFixer( writer, doc ) );\n\t\tdoc.registerPostFixer( writer => selectionMentionAttributePostFixer( writer, doc ) );\n\n\t\teditor.commands.add( 'mention', new MentionCommand( editor ) );\n\t}\n}\n\nexport function _addMentionAttributes( baseMentionData, data ) {\n\treturn Object.assign( { uid: uid() }, baseMentionData, data || {} );\n}\n\n/**\n * Creates a mention attribute value from the provided view element and optional data.\n *\n * This function is exposed as\n * {@link module:mention/mention~Mention#toMentionAttribute `editor.plugins.get( 'Mention' ).toMentionAttribute()`}.\n *\n * @protected\n * @param {module:engine/view/element~Element} viewElementOrMention\n * @param {String|Object} [data] Mention data to be extended.\n * @returns {module:mention/mention~MentionAttribute}\n */\nexport function _toMentionAttribute( viewElementOrMention, data ) {\n\tconst dataMention = viewElementOrMention.getAttribute( 'data-mention' );\n\n\tconst textNode = viewElementOrMention.getChild( 0 );\n\n\t// Do not convert empty mentions.\n\tif ( !textNode ) {\n\t\treturn;\n\t}\n\n\tconst baseMentionData = {\n\t\tid: dataMention,\n\t\t_text: textNode.data\n\t};\n\n\treturn _addMentionAttributes( baseMentionData, data );\n}\n\n// A converter that blocks partial mention from being converted.\n//\n// This converter is registered with 'highest' priority in order to consume mention attribute before it is converted by\n// any other converters. This converter only consumes partial mention - those whose `_text` attribute is not equal to text with mention\n// attribute. This may happen when copying part of mention text.\n//\n// @param {module:engine/conversion/dwoncastdispatcher~DowncastDispatcher}\nfunction preventPartialMentionDowncast( dispatcher ) {\n\tdispatcher.on( 'attribute:mention', ( evt, data, conversionApi ) => {\n\t\tconst mention = data.attributeNewValue;\n\n\t\tif ( !data.item.is( '$textProxy' ) || !mention ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst start = data.range.start;\n\t\tconst textNode = start.textNode || start.nodeAfter;\n\n\t\tif ( textNode.data != mention._text ) {\n\t\t\t// Consume item to prevent partial mention conversion.\n\t\t\tconversionApi.consumable.consume( data.item, evt.name );\n\t\t}\n\t}, { priority: 'highest' } );\n}\n\n// Creates a mention element from the mention data.\n//\n// @param {Object} mention\n// @param {module:engine/conversion/downcastdispatcher~DowncastConversionApi} conversionApi\n// @returns {module:engine/view/attributeelement~AttributeElement}\nfunction createViewMentionElement( mention, { writer } ) {\n\tif ( !mention ) {\n\t\treturn;\n\t}\n\n\tconst attributes = {\n\t\tclass: 'mention',\n\t\t'data-mention': mention.id\n\t};\n\n\tconst options = {\n\t\tid: mention.uid,\n\t\tpriority: 20\n\t};\n\n\treturn writer.createAttributeElement( 'span', attributes, options );\n}\n\n// Model post-fixer that disallows typing with selection when the selection is placed after the text node with the mention attribute or\n// before a text node with mention attribute.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/document~Document} doc\n// @returns {Boolean} Returns `true` if the selection was fixed.\nfunction selectionMentionAttributePostFixer( writer, doc ) {\n\tconst selection = doc.selection;\n\tconst focus = selection.focus;\n\n\tif ( selection.isCollapsed && selection.hasAttribute( 'mention' ) && shouldNotTypeWithMentionAt( focus ) ) {\n\t\twriter.removeSelectionAttribute( 'mention' );\n\n\t\treturn true;\n\t}\n}\n\n// Helper function to detect if mention attribute should be removed from selection.\n// This check makes only sense if the selection has mention attribute.\n//\n// The mention attribute should be removed from a selection when selection focus is placed:\n// a) after a text node\n// b) the position is at parents start - the selection will set attributes from node after.\nfunction shouldNotTypeWithMentionAt( position ) {\n\tconst isAtStart = position.isAtStart;\n\tconst isAfterAMention = position.nodeBefore && position.nodeBefore.is( '$text' );\n\n\treturn isAfterAMention || isAtStart;\n}\n\n// Model post-fixer that removes the mention attribute from the modified text node.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/document~Document} doc\n// @returns {Boolean} Returns `true` if the selection was fixed.\nfunction removePartialMentionPostFixer( writer, doc, schema ) {\n\tconst changes = doc.differ.getChanges();\n\n\tlet wasChanged = false;\n\n\tfor ( const change of changes ) {\n\t\t// Checks the text node on the current position.\n\t\tconst position = change.position;\n\n\t\tif ( change.name == '$text' ) {\n\t\t\tconst nodeAfterInsertedTextNode = position.textNode && position.textNode.nextSibling;\n\n\t\t\t// Checks the text node where the change occurred.\n\t\t\twasChanged = checkAndFix( position.textNode, writer ) || wasChanged;\n\n\t\t\t// Occurs on paste inside a text node with mention.\n\t\t\twasChanged = checkAndFix( nodeAfterInsertedTextNode, writer ) || wasChanged;\n\t\t\twasChanged = checkAndFix( position.nodeBefore, writer ) || wasChanged;\n\t\t\twasChanged = checkAndFix( position.nodeAfter, writer ) || wasChanged;\n\t\t}\n\n\t\t// Checks text nodes in inserted elements (might occur when splitting a paragraph or pasting content inside text with mention).\n\t\tif ( change.name != '$text' && change.type == 'insert' ) {\n\t\t\tconst insertedNode = position.nodeAfter;\n\n\t\t\tfor ( const item of writer.createRangeIn( insertedNode ).getItems() ) {\n\t\t\t\twasChanged = checkAndFix( item, writer ) || wasChanged;\n\t\t\t}\n\t\t}\n\n\t\t// Inserted inline elements might break mention.\n\t\tif ( change.type == 'insert' && schema.isInline( change.name ) ) {\n\t\t\tconst nodeAfterInserted = position.nodeAfter && position.nodeAfter.nextSibling;\n\n\t\t\twasChanged = checkAndFix( position.nodeBefore, writer ) || wasChanged;\n\t\t\twasChanged = checkAndFix( nodeAfterInserted, writer ) || wasChanged;\n\t\t}\n\t}\n\n\treturn wasChanged;\n}\n\n// This post-fixer will extend the attribute applied on the part of the mention so the whole text node of the mention will have\n// the added attribute.\n//\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/document~Document} doc\n// @returns {Boolean} Returns `true` if the selection was fixed.\nfunction extendAttributeOnMentionPostFixer( writer, doc ) {\n\tconst changes = doc.differ.getChanges();\n\n\tlet wasChanged = false;\n\n\tfor ( const change of changes ) {\n\t\tif ( change.type === 'attribute' && change.attributeKey != 'mention' ) {\n\t\t\t// Checks the node on the left side of the range...\n\t\t\tconst nodeBefore = change.range.start.nodeBefore;\n\t\t\t// ... and on the right side of the range.\n\t\t\tconst nodeAfter = change.range.end.nodeAfter;\n\n\t\t\tfor ( const node of [ nodeBefore, nodeAfter ] ) {\n\t\t\t\tif ( isBrokenMentionNode( node ) && node.getAttribute( change.attributeKey ) != change.attributeNewValue ) {\n\t\t\t\t\twriter.setAttribute( change.attributeKey, change.attributeNewValue, node );\n\n\t\t\t\t\twasChanged = true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn wasChanged;\n}\n\n// Checks if a node has a correct mention attribute if present.\n// Returns `true` if the node is text and has a mention attribute whose text does not match the expected mention text.\n//\n// @param {module:engine/model/node~Node} node The node to check.\n// @returns {Boolean}\nfunction isBrokenMentionNode( node ) {\n\tif ( !node || !( node.is( '$text' ) || node.is( '$textProxy' ) ) || !node.hasAttribute( 'mention' ) ) {\n\t\treturn false;\n\t}\n\n\tconst text = node.data;\n\tconst mention = node.getAttribute( 'mention' );\n\n\tconst expectedText = mention._text;\n\n\treturn text != expectedText;\n}\n\n// Fixes a mention on a text node if it needs a fix.\n//\n// @param {module:engine/model/text~Text} textNode\n// @param {module:engine/model/writer~Writer} writer\n// @returns {Boolean}\nfunction checkAndFix( textNode, writer ) {\n\tif ( isBrokenMentionNode( textNode ) ) {\n\t\twriter.removeAttribute( 'mention', textNode );\n\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./mentionui.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./mentionui.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/ui/mentionsview\n */\n\nimport { ListView } from 'ckeditor5/src/ui';\nimport { Rect } from 'ckeditor5/src/utils';\n\nimport '../../theme/mentionui.css';\n\n/**\n * The mention ui view.\n *\n * @extends module:ui/list/listview~ListView\n */\nexport default class MentionsView extends ListView {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tthis.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck-mentions'\n\t\t\t\t],\n\n\t\t\t\ttabindex: '-1'\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * {@link #select Selects} the first item.\n\t */\n\tselectFirst() {\n\t\tthis.select( 0 );\n\t}\n\n\t/**\n\t * Selects next item to the currently {@link #select selected}.\n\t *\n\t * If the last item is already selected, it will select the first item.\n\t */\n\tselectNext() {\n\t\tconst item = this.selected;\n\t\tconst index = this.items.getIndex( item );\n\n\t\tthis.select( index + 1 );\n\t}\n\n\t/**\n\t * Selects previous item to the currently {@link #select selected}.\n\t *\n\t * If the first item is already selected, it will select the last item.\n\t */\n\tselectPrevious() {\n\t\tconst item = this.selected;\n\t\tconst index = this.items.getIndex( item );\n\n\t\tthis.select( index - 1 );\n\t}\n\n\t/**\n\t * Marks item at a given index as selected.\n\t *\n\t * Handles selection cycling when passed index is out of bounds:\n\t * - if the index is lower than 0, it will select the last item,\n\t * - if the index is higher than the last item index, it will select the first item.\n\t *\n\t * @param {Number} index Index of an item to be marked as selected.\n\t */\n\tselect( index ) {\n\t\tlet indexToGet = 0;\n\n\t\tif ( index > 0 && index < this.items.length ) {\n\t\t\tindexToGet = index;\n\t\t} else if ( index < 0 ) {\n\t\t\tindexToGet = this.items.length - 1;\n\t\t}\n\n\t\tconst item = this.items.get( indexToGet );\n\n\t\t// Return early if item is already selected.\n\t\tif ( this.selected === item ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Remove highlight of previously selected item.\n\t\tif ( this.selected ) {\n\t\t\tthis.selected.removeHighlight();\n\t\t}\n\n\t\titem.highlight();\n\t\tthis.selected = item;\n\n\t\t// Scroll the mentions view to the selected element.\n\t\tif ( !this._isItemVisibleInScrolledArea( item ) ) {\n\t\t\tthis.element.scrollTop = item.element.offsetTop;\n\t\t}\n\t}\n\n\t/**\n\t * Triggers the `execute` event on the {@link #select selected} item.\n\t */\n\texecuteSelected() {\n\t\tthis.selected.fire( 'execute' );\n\t}\n\n\t// Checks if an item is visible in the scrollable area.\n\t//\n\t// The item is considered visible when:\n\t// - its top boundary is inside the scrollable rect\n\t// - its bottom boundary is inside the scrollable rect (the whole item must be visible)\n\t_isItemVisibleInScrolledArea( item ) {\n\t\treturn new Rect( this.element ).contains( new Rect( item.element ) );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/ui/domwrapperview\n */\n\nimport { View } from 'ckeditor5/src/ui';\n\n/**\n * This class wraps DOM element as a CKEditor5 UI View.\n *\n * It allows to render any DOM element and use it in mentions list.\n *\n * @extends {module:ui/view~View}\n */\nexport default class DomWrapperView extends View {\n\t/**\n\t * Creates an instance of {@link module:mention/ui/domwrapperview~DomWrapperView} class.\n\t *\n\t * Also see {@link #render}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {Element} domElement\n\t */\n\tconstructor( locale, domElement ) {\n\t\tsuper( locale );\n\n\t\t// Disable template rendering on this view.\n\t\tthis.template = false;\n\n\t\t/**\n\t\t * The DOM element for which wrapper was created.\n\t\t *\n\t\t * @type {Element}\n\t\t */\n\t\tthis.domElement = domElement;\n\n\t\t// Render dom wrapper as a button.\n\t\tthis.domElement.classList.add( 'ck-button' );\n\n\t\t/**\n\t\t * Controls whether the dom wrapper view is \"on\". This is in line with {@link module:ui/button/button~Button#isOn} property.\n\t\t *\n\t\t * @observable\n\t\t * @default true\n\t\t * @member {Boolean} #isOn\n\t\t */\n\t\tthis.set( 'isOn', false );\n\n\t\t// Handle isOn state as in buttons.\n\t\tthis.on( 'change:isOn', ( evt, name, isOn ) => {\n\t\t\tif ( isOn ) {\n\t\t\t\tthis.domElement.classList.add( 'ck-on' );\n\t\t\t\tthis.domElement.classList.remove( 'ck-off' );\n\t\t\t} else {\n\t\t\t\tthis.domElement.classList.add( 'ck-off' );\n\t\t\t\tthis.domElement.classList.remove( 'ck-on' );\n\t\t\t}\n\t\t} );\n\n\t\t// Pass click event as execute event.\n\t\tthis.listenTo( this.domElement, 'click', () => {\n\t\t\tthis.fire( 'execute' );\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.element = this.domElement;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/ui/mentionlistitemview\n */\n\nimport { ListItemView } from 'ckeditor5/src/ui';\n\nexport default class MentionListItemView extends ListItemView {\n\thighlight() {\n\t\tconst child = this.children.first;\n\n\t\tchild.isOn = true;\n\t}\n\n\tremoveHighlight() {\n\t\tconst child = this.children.first;\n\n\t\tchild.isOn = false;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/mentionui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView, ContextualBalloon, clickOutsideHandler } from 'ckeditor5/src/ui';\nimport { Collection, keyCodes, env, Rect, CKEditorError, logWarning } from 'ckeditor5/src/utils';\nimport { TextWatcher } from 'ckeditor5/src/typing';\n\nimport { debounce } from 'lodash-es';\n\nimport MentionsView from './ui/mentionsview';\nimport DomWrapperView from './ui/domwrapperview';\nimport MentionListItemView from './ui/mentionlistitemview';\n\nconst VERTICAL_SPACING = 3;\n\n// The key codes that mention UI handles when it is open (without commit keys).\nconst defaultHandledKeyCodes = [\n\tkeyCodes.arrowup,\n\tkeyCodes.arrowdown,\n\tkeyCodes.esc\n];\n\n// Dropdown commit key codes.\nconst defaultCommitKeyCodes = [\n\tkeyCodes.enter,\n\tkeyCodes.tab\n];\n\n/**\n * The mention UI feature.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class MentionUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'MentionUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The mention view.\n\t\t *\n\t\t * @type {module:mention/ui/mentionsview~MentionsView}\n\t\t * @private\n\t\t */\n\t\tthis._mentionsView = this._createMentionView();\n\n\t\t/**\n\t\t * Stores mention feeds configurations.\n\t\t *\n\t\t * @type {Map<String, Object>}\n\t\t * @private\n\t\t */\n\t\tthis._mentionsConfigurations = new Map();\n\n\t\t/**\n\t\t * Debounced feed requester. It uses `lodash#debounce` method to delay function call.\n\t\t *\n\t\t * @private\n\t\t * @param {String} marker\n\t\t * @param {String} feedText\n\t\t * @method\n\t\t */\n\t\tthis._requestFeedDebounced = debounce( this._requestFeed, 100 );\n\n\t\teditor.config.define( 'mention', { feeds: [] } );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\n\t\tconst commitKeys = editor.config.get( 'mention.commitKeys' ) || defaultCommitKeyCodes;\n\t\tconst handledKeyCodes = defaultHandledKeyCodes.concat( commitKeys );\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = editor.plugins.get( ContextualBalloon );\n\n\t\t// Key listener that handles navigation in mention view.\n\t\teditor.editing.view.document.on( 'keydown', ( evt, data ) => {\n\t\t\tif ( isHandledKey( data.keyCode ) && this._isUIVisible ) {\n\t\t\t\tdata.preventDefault();\n\t\t\t\tevt.stop(); // Required for Enter key overriding.\n\n\t\t\t\tif ( data.keyCode == keyCodes.arrowdown ) {\n\t\t\t\t\tthis._mentionsView.selectNext();\n\t\t\t\t}\n\n\t\t\t\tif ( data.keyCode == keyCodes.arrowup ) {\n\t\t\t\t\tthis._mentionsView.selectPrevious();\n\t\t\t\t}\n\n\t\t\t\tif ( commitKeys.includes( data.keyCode ) ) {\n\t\t\t\t\tthis._mentionsView.executeSelected();\n\t\t\t\t}\n\n\t\t\t\tif ( data.keyCode == keyCodes.esc ) {\n\t\t\t\t\tthis._hideUIAndRemoveMarker();\n\t\t\t\t}\n\t\t\t}\n\t\t}, { priority: 'highest' } ); // Required to override the Enter key.\n\n\t\t// Close the dropdown upon clicking outside of the plugin UI.\n\t\tclickOutsideHandler( {\n\t\t\temitter: this._mentionsView,\n\t\t\tactivator: () => this._isUIVisible,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideUIAndRemoveMarker()\n\t\t} );\n\n\t\tconst feeds = editor.config.get( 'mention.feeds' );\n\n\t\tfor ( const mentionDescription of feeds ) {\n\t\t\tconst feed = mentionDescription.feed;\n\n\t\t\tconst marker = mentionDescription.marker;\n\n\t\t\tif ( !isValidMentionMarker( marker ) ) {\n\t\t\t\t/**\n\t\t\t\t * The marker must be a single character.\n\t\t\t\t *\n\t\t\t\t * Correct markers: `'@'`, `'#'`.\n\t\t\t\t *\n\t\t\t\t * Incorrect markers: `'$$'`, `'[@'`.\n\t\t\t\t *\n\t\t\t\t * See {@link module:mention/mention~MentionConfig}.\n\t\t\t\t *\n\t\t\t\t * @error mentionconfig-incorrect-marker\n\t\t\t\t * @param {String} marker Configured marker\n\t\t\t\t */\n\t\t\t\tthrow new CKEditorError( 'mentionconfig-incorrect-marker', null, { marker } );\n\t\t\t}\n\n\t\t\tconst feedCallback = typeof feed == 'function' ? feed.bind( this.editor ) : createFeedCallback( feed );\n\t\t\tconst itemRenderer = mentionDescription.itemRenderer;\n\t\t\tconst definition = { marker, feedCallback, itemRenderer };\n\n\t\t\tthis._mentionsConfigurations.set( marker, definition );\n\t\t}\n\n\t\tthis._setupTextWatcher( feeds );\n\t\tthis.listenTo( editor, 'change:isReadOnly', () => {\n\t\t\tthis._hideUIAndRemoveMarker();\n\t\t} );\n\t\tthis.on( 'requestFeed:response', ( evt, data ) => this._handleFeedResponse( data ) );\n\t\tthis.on( 'requestFeed:error', () => this._hideUIAndRemoveMarker() );\n\n\t\t// Checks if a given key code is handled by the mention UI.\n\t\t//\n\t\t// @param {Number}\n\t\t// @returns {Boolean}\n\t\tfunction isHandledKey( keyCode ) {\n\t\t\treturn handledKeyCodes.includes( keyCode );\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed (see ckeditor5#1341).\n\t\tthis._mentionsView.destroy();\n\t}\n\n\t/**\n\t * Returns true when {@link #_mentionsView} is in the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon} and it is\n\t * currently visible.\n\t *\n\t * @readonly\n\t * @protected\n\t * @type {Boolean}\n\t */\n\tget _isUIVisible() {\n\t\treturn this._balloon.visibleView === this._mentionsView;\n\t}\n\n\t/**\n\t * Creates the {@link #_mentionsView}.\n\t *\n\t * @private\n\t * @returns {module:mention/ui/mentionsview~MentionsView}\n\t */\n\t_createMentionView() {\n\t\tconst locale = this.editor.locale;\n\n\t\tconst mentionsView = new MentionsView( locale );\n\n\t\tthis._items = new Collection();\n\n\t\tmentionsView.items.bindTo( this._items ).using( data => {\n\t\t\tconst { item, marker } = data;\n\n\t\t\t// Set to 10 by default for backwards compatibility. See: #10479\n\t\t\tconst dropdownLimit = this.editor.config.get( 'mention.dropdownLimit' ) || 10;\n\n\t\t\tif ( mentionsView.items.length >= dropdownLimit ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst listItemView = new MentionListItemView( locale );\n\n\t\t\tconst view = this._renderItem( item, marker );\n\t\t\tview.delegate( 'execute' ).to( listItemView );\n\n\t\t\tlistItemView.children.add( view );\n\t\t\tlistItemView.item = item;\n\t\t\tlistItemView.marker = marker;\n\n\t\t\tlistItemView.on( 'execute', () => {\n\t\t\t\tmentionsView.fire( 'execute', {\n\t\t\t\t\titem,\n\t\t\t\t\tmarker\n\t\t\t\t} );\n\t\t\t} );\n\n\t\t\treturn listItemView;\n\t\t} );\n\n\t\tmentionsView.on( 'execute', ( evt, data ) => {\n\t\t\tconst editor = this.editor;\n\t\t\tconst model = editor.model;\n\n\t\t\tconst item = data.item;\n\t\t\tconst marker = data.marker;\n\n\t\t\tconst mentionMarker = editor.model.markers.get( 'mention' );\n\n\t\t\t// Create a range on matched text.\n\t\t\tconst end = model.createPositionAt( model.document.selection.focus );\n\t\t\tconst start = model.createPositionAt( mentionMarker.getStart() );\n\t\t\tconst range = model.createRange( start, end );\n\n\t\t\tthis._hideUIAndRemoveMarker();\n\n\t\t\teditor.execute( 'mention', {\n\t\t\t\tmention: item,\n\t\t\t\ttext: item.text,\n\t\t\t\tmarker,\n\t\t\t\trange\n\t\t\t} );\n\n\t\t\teditor.editing.view.focus();\n\t\t} );\n\n\t\treturn mentionsView;\n\t}\n\n\t/**\n\t * Returns item renderer for the marker.\n\t *\n\t * @private\n\t * @param {String} marker\n\t * @returns {Function|null}\n\t */\n\t_getItemRenderer( marker ) {\n\t\tconst { itemRenderer } = this._mentionsConfigurations.get( marker );\n\n\t\treturn itemRenderer;\n\t}\n\n\t/**\n\t * Requests a feed from a configured callbacks.\n\t *\n\t * @private\n\t * @fires module:mention/mentionui~MentionUI#event:requestFeed:response\n\t * @fires module:mention/mentionui~MentionUI#event:requestFeed:discarded\n\t * @fires module:mention/mentionui~MentionUI#event:requestFeed:error\n\t * @param {String} marker\n\t * @param {String} feedText\n\t */\n\t_requestFeed( marker, feedText ) {\n\t\t// Store the last requested feed - it is used to discard any out-of order requests.\n\t\tthis._lastRequested = feedText;\n\n\t\tconst { feedCallback } = this._mentionsConfigurations.get( marker );\n\t\tconst feedResponse = feedCallback( feedText );\n\n\t\tconst isAsynchronous = feedResponse instanceof Promise;\n\n\t\t// For synchronous feeds (e.g. callbacks, arrays) fire the response event immediately.\n\t\tif ( !isAsynchronous ) {\n\t\t\t/**\n\t\t\t * Fired whenever requested feed has a response.\n\t\t\t *\n\t\t\t * @event requestFeed:response\n\t\t\t * @param {Object} data Event data.\n\t\t\t * @param {Array.<module:mention/mention~MentionFeedItem>} data.feed Autocomplete items.\n\t\t\t * @param {String} data.marker The character which triggers autocompletion for mention.\n\t\t\t * @param {String} data.feedText The text for which feed items were requested.\n\t\t\t */\n\t\t\tthis.fire( 'requestFeed:response', { feed: feedResponse, marker, feedText } );\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Handle the asynchronous responses.\n\t\tfeedResponse\n\t\t\t.then( response => {\n\t\t\t\t// Check the feed text of this response with the last requested one so either:\n\t\t\t\tif ( this._lastRequested == feedText ) {\n\t\t\t\t\t// It is the same and fire the response event.\n\t\t\t\t\tthis.fire( 'requestFeed:response', { feed: response, marker, feedText } );\n\t\t\t\t} else {\n\t\t\t\t\t// It is different - most probably out-of-order one, so fire the discarded event.\n\t\t\t\t\t/**\n\t\t\t\t\t * Fired whenever the requested feed was discarded. This happens when the response was delayed and\n\t\t\t\t\t * other feed was already requested.\n\t\t\t\t\t *\n\t\t\t\t\t * @event requestFeed:discarded\n\t\t\t\t\t * @param {Object} data Event data.\n\t\t\t\t\t * @param {Array.<module:mention/mention~MentionFeedItem>} data.feed Autocomplete items.\n\t\t\t\t\t * @param {String} data.marker The character which triggers autocompletion for mention.\n\t\t\t\t\t * @param {String} data.feedText The text for which feed items were requested.\n\t\t\t\t\t */\n\t\t\t\t\tthis.fire( 'requestFeed:discarded', { feed: response, marker, feedText } );\n\t\t\t\t}\n\t\t\t} )\n\t\t\t.catch( error => {\n\t\t\t\t/**\n\t\t\t\t * Fired whenever the requested {@link module:mention/mention~MentionFeed#feed} promise fails with error.\n\t\t\t\t *\n\t\t\t\t * @event requestFeed:error\n\t\t\t\t * @param {Object} data Event data.\n\t\t\t\t * @param {Error} data.error The error that was caught.\n\t\t\t\t */\n\t\t\t\tthis.fire( 'requestFeed:error', { error } );\n\n\t\t\t\t/**\n\t\t\t\t * The callback used for obtaining mention autocomplete feed thrown and error and the mention UI was hidden or\n\t\t\t\t * not displayed at all.\n\t\t\t\t *\n\t\t\t\t * @error mention-feed-callback-error\n\t\t\t\t * @param {String} marker Configured marker for which error occurred.\n\t\t\t\t */\n\t\t\t\tlogWarning( 'mention-feed-callback-error', { marker } );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Registers a text watcher for the marker.\n\t *\n\t * @private\n\t * @param {Array.<Object>} feeds Feeds of mention plugin configured in editor\n\t * @returns {module:typing/textwatcher~TextWatcher}\n\t */\n\t_setupTextWatcher( feeds ) {\n\t\tconst editor = this.editor;\n\n\t\tconst feedsWithPattern = feeds.map( feed => ( {\n\t\t\t...feed,\n\t\t\tpattern: createRegExp( feed.marker, feed.minimumCharacters || 0 )\n\t\t} ) );\n\n\t\tconst watcher = new TextWatcher( editor.model, createTestCallback( feedsWithPattern ) );\n\n\t\twatcher.on( 'matched', ( evt, data ) => {\n\t\t\tconst markerDefinition = getLastValidMarkerInText( feedsWithPattern, data.text );\n\t\t\tconst selection = editor.model.document.selection;\n\t\t\tconst focus = selection.focus;\n\n\t\t\tif ( hasExistingMention( focus ) ) {\n\t\t\t\tthis._hideUIAndRemoveMarker();\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst feedText = requestFeedText( markerDefinition, data.text );\n\t\t\tconst matchedTextLength = markerDefinition.marker.length + feedText.length;\n\n\t\t\t// Create a marker range.\n\t\t\tconst start = focus.getShiftedBy( -matchedTextLength );\n\t\t\tconst end = focus.getShiftedBy( -feedText.length );\n\n\t\t\tconst markerRange = editor.model.createRange( start, end );\n\n\t\t\tif ( checkIfStillInCompletionMode( editor ) ) {\n\t\t\t\tconst mentionMarker = editor.model.markers.get( 'mention' );\n\n\t\t\t\t// Update the marker - user might've moved the selection to other mention trigger.\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.updateMarker( mentionMarker, { range: markerRange } );\n\t\t\t\t} );\n\t\t\t} else {\n\t\t\t\teditor.model.change( writer => {\n\t\t\t\t\twriter.addMarker( 'mention', { range: markerRange, usingOperation: false, affectsData: false } );\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\tthis._requestFeedDebounced( markerDefinition.marker, feedText );\n\t\t} );\n\n\t\twatcher.on( 'unmatched', () => {\n\t\t\tthis._hideUIAndRemoveMarker();\n\t\t} );\n\n\t\tconst mentionCommand = editor.commands.get( 'mention' );\n\t\twatcher.bind( 'isEnabled' ).to( mentionCommand );\n\n\t\treturn watcher;\n\t}\n\n\t/**\n\t * Handles the feed response event data.\n\t *\n\t * @param data\n\t * @private\n\t */\n\t_handleFeedResponse( data ) {\n\t\tconst { feed, marker } = data;\n\n\t\t// If the marker is not in the document happens when the selection had changed and the 'mention' marker was removed.\n\t\tif ( !checkIfStillInCompletionMode( this.editor ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Reset the view.\n\t\tthis._items.clear();\n\n\t\tfor ( const feedItem of feed ) {\n\t\t\tconst item = typeof feedItem != 'object' ? { id: feedItem, text: feedItem } : feedItem;\n\n\t\t\tthis._items.add( { item, marker } );\n\t\t}\n\n\t\tconst mentionMarker = this.editor.model.markers.get( 'mention' );\n\n\t\tif ( this._items.length ) {\n\t\t\tthis._showOrUpdateUI( mentionMarker );\n\t\t} else {\n\t\t\t// Do not show empty mention UI.\n\t\t\tthis._hideUIAndRemoveMarker();\n\t\t}\n\t}\n\n\t/**\n\t * Shows the mentions balloon. If the panel is already visible, it will reposition it.\n\t *\n\t * @private\n\t */\n\t_showOrUpdateUI( markerMarker ) {\n\t\tif ( this._isUIVisible ) {\n\t\t\t// Update balloon position as the mention list view may change its size.\n\t\t\tthis._balloon.updatePosition( this._getBalloonPanelPositionData( markerMarker, this._mentionsView.position ) );\n\t\t} else {\n\t\t\tthis._balloon.add( {\n\t\t\t\tview: this._mentionsView,\n\t\t\t\tposition: this._getBalloonPanelPositionData( markerMarker, this._mentionsView.position ),\n\t\t\t\tsingleViewMode: true\n\t\t\t} );\n\t\t}\n\n\t\tthis._mentionsView.position = this._balloon.view.position;\n\t\tthis._mentionsView.selectFirst();\n\t}\n\n\t/**\n\t * Hides the mentions balloon and removes the 'mention' marker from the markers collection.\n\t *\n\t * @private\n\t */\n\t_hideUIAndRemoveMarker() {\n\t\t// Remove the mention view from balloon before removing marker - it is used by balloon position target().\n\t\tif ( this._balloon.hasView( this._mentionsView ) ) {\n\t\t\tthis._balloon.remove( this._mentionsView );\n\t\t}\n\n\t\tif ( checkIfStillInCompletionMode( this.editor ) ) {\n\t\t\tthis.editor.model.change( writer => writer.removeMarker( 'mention' ) );\n\t\t}\n\n\t\t// Make the last matched position on panel view undefined so the #_getBalloonPanelPositionData() method will return all positions\n\t\t// on the next call.\n\t\tthis._mentionsView.position = undefined;\n\t}\n\n\t/**\n\t * Renders a single item in the autocomplete list.\n\t *\n\t * @private\n\t * @param {module:mention/mention~MentionFeedItem} item\n\t * @param {String} marker\n\t * @returns {module:ui/button/buttonview~ButtonView|module:mention/ui/domwrapperview~DomWrapperView}\n\t */\n\t_renderItem( item, marker ) {\n\t\tconst editor = this.editor;\n\n\t\tlet view;\n\t\tlet label = item.id;\n\n\t\tconst renderer = this._getItemRenderer( marker );\n\n\t\tif ( renderer ) {\n\t\t\tconst renderResult = renderer( item );\n\n\t\t\tif ( typeof renderResult != 'string' ) {\n\t\t\t\tview = new DomWrapperView( editor.locale, renderResult );\n\t\t\t} else {\n\t\t\t\tlabel = renderResult;\n\t\t\t}\n\t\t}\n\n\t\tif ( !view ) {\n\t\t\tconst buttonView = new ButtonView( editor.locale );\n\n\t\t\tbuttonView.label = label;\n\t\t\tbuttonView.withText = true;\n\n\t\t\tview = buttonView;\n\t\t}\n\n\t\treturn view;\n\t}\n\n\t/**\n\t * Creates a position options object used to position the balloon panel.\n\t *\n\t * @param {module:engine/model/markercollection~Marker} mentionMarker\n\t * @param {String|undefined} preferredPosition The name of the last matched position name.\n\t * @returns {module:utils/dom/position~Options}\n\t * @private\n\t */\n\t_getBalloonPanelPositionData( mentionMarker, preferredPosition ) {\n\t\tconst editor = this.editor;\n\t\tconst editing = editor.editing;\n\t\tconst domConverter = editing.view.domConverter;\n\t\tconst mapper = editing.mapper;\n\n\t\treturn {\n\t\t\ttarget: () => {\n\t\t\t\tlet modelRange = mentionMarker.getRange();\n\n\t\t\t\t// Target the UI to the model selection range - the marker has been removed so probably the UI will not be shown anyway.\n\t\t\t\t// The logic is used by ContextualBalloon to display another panel in the same place.\n\t\t\t\tif ( modelRange.start.root.rootName == '$graveyard' ) {\n\t\t\t\t\tmodelRange = editor.model.document.selection.getFirstRange();\n\t\t\t\t}\n\n\t\t\t\tconst viewRange = mapper.toViewRange( modelRange );\n\t\t\t\tconst rangeRects = Rect.getDomRangeRects( domConverter.viewRangeToDom( viewRange ) );\n\n\t\t\t\treturn rangeRects.pop();\n\t\t\t},\n\t\t\tlimiter: () => {\n\t\t\t\tconst view = this.editor.editing.view;\n\t\t\t\tconst viewDocument = view.document;\n\t\t\t\tconst editableElement = viewDocument.selection.editableElement;\n\n\t\t\t\tif ( editableElement ) {\n\t\t\t\t\treturn view.domConverter.mapViewToDom( editableElement.root );\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\t\t\t},\n\t\t\tpositions: getBalloonPanelPositions( preferredPosition )\n\t\t};\n\t}\n}\n\n// Returns the balloon positions data callbacks.\n//\n// @param {String} preferredPosition\n// @returns {Array.<module:utils/dom/position~Position>}\nfunction getBalloonPanelPositions( preferredPosition ) {\n\tconst positions = {\n\t\t// Positions the panel to the southeast of the caret rectangle.\n\t\t'caret_se': targetRect => {\n\t\t\treturn {\n\t\t\t\ttop: targetRect.bottom + VERTICAL_SPACING,\n\t\t\t\tleft: targetRect.right,\n\t\t\t\tname: 'caret_se',\n\t\t\t\tconfig: {\n\t\t\t\t\twithArrow: false\n\t\t\t\t}\n\t\t\t};\n\t\t},\n\n\t\t// Positions the panel to the northeast of the caret rectangle.\n\t\t'caret_ne': ( targetRect, balloonRect ) => {\n\t\t\treturn {\n\t\t\t\ttop: targetRect.top - balloonRect.height - VERTICAL_SPACING,\n\t\t\t\tleft: targetRect.right,\n\t\t\t\tname: 'caret_ne',\n\t\t\t\tconfig: {\n\t\t\t\t\twithArrow: false\n\t\t\t\t}\n\t\t\t};\n\t\t},\n\n\t\t// Positions the panel to the southwest of the caret rectangle.\n\t\t'caret_sw': ( targetRect, balloonRect ) => {\n\t\t\treturn {\n\t\t\t\ttop: targetRect.bottom + VERTICAL_SPACING,\n\t\t\t\tleft: targetRect.right - balloonRect.width,\n\t\t\t\tname: 'caret_sw',\n\t\t\t\tconfig: {\n\t\t\t\t\twithArrow: false\n\t\t\t\t}\n\t\t\t};\n\t\t},\n\n\t\t// Positions the panel to the northwest of the caret rect.\n\t\t'caret_nw': ( targetRect, balloonRect ) => {\n\t\t\treturn {\n\t\t\t\ttop: targetRect.top - balloonRect.height - VERTICAL_SPACING,\n\t\t\t\tleft: targetRect.right - balloonRect.width,\n\t\t\t\tname: 'caret_nw',\n\t\t\t\tconfig: {\n\t\t\t\t\twithArrow: false\n\t\t\t\t}\n\t\t\t};\n\t\t}\n\t};\n\n\t// Returns only the last position if it was matched to prevent the panel from jumping after the first match.\n\tif ( Object.prototype.hasOwnProperty.call( positions, preferredPosition ) ) {\n\t\treturn [\n\t\t\tpositions[ preferredPosition ]\n\t\t];\n\t}\n\n\t// By default return all position callbacks.\n\treturn [\n\t\tpositions.caret_se,\n\t\tpositions.caret_sw,\n\t\tpositions.caret_ne,\n\t\tpositions.caret_nw\n\t];\n}\n\n// Returns a marker definition of the last valid occuring marker in given string.\n// If there is no valid marker in string it returns undefined.\n//\n// Example of returned object:\n//\n//\t\t{\n//\t\t\tmarker: '@',\n//\t\t\tposition: 4,\n//\t\t\tminimumCharacters: 0\n//\t\t}\n//\n// @param {Array.<Object>} feedsWithPattern Registered feeds in editor for mention plugin with created RegExp for matching marker.\n// @param {String} text String to find marker in\n// @returns {Object} Matched marker's definition\nfunction getLastValidMarkerInText( feedsWithPattern, text ) {\n\tlet lastValidMarker;\n\n\tfor ( const feed of feedsWithPattern ) {\n\t\tconst currentMarkerLastIndex = text.lastIndexOf( feed.marker );\n\n\t\tif ( currentMarkerLastIndex > 0 && !text.substring( currentMarkerLastIndex - 1 ).match( feed.pattern ) ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tif ( !lastValidMarker || currentMarkerLastIndex >= lastValidMarker.position ) {\n\t\t\tlastValidMarker = {\n\t\t\t\tmarker: feed.marker,\n\t\t\t\tposition: currentMarkerLastIndex,\n\t\t\t\tminimumCharacters: feed.minimumCharacters,\n\t\t\t\tpattern: feed.pattern\n\t\t\t};\n\t\t}\n\t}\n\n\treturn lastValidMarker;\n}\n\n// Creates a RegExp pattern for the marker.\n//\n// Function has to be exported to achieve 100% code coverage.\n//\n// @param {String} marker\n// @param {Number} minimumCharacters\n// @returns {RegExp}\nexport function createRegExp( marker, minimumCharacters ) {\n\tconst numberOfCharacters = minimumCharacters == 0 ? '*' : `{${ minimumCharacters },}`;\n\n\tconst openAfterCharacters = env.features.isRegExpUnicodePropertySupported ? '\\\\p{Ps}\\\\p{Pi}\"\\'' : '\\\\(\\\\[{\"\\'';\n\tconst mentionCharacters = '.';\n\n\t// The pattern consists of 3 groups:\n\t// - 0 (non-capturing): Opening sequence - start of the line, space or an opening punctuation character like \"(\" or \"\\\"\",\n\t// - 1: The marker character,\n\t// - 2: Mention input (taking the minimal length into consideration to trigger the UI),\n\t//\n\t// The pattern matches up to the caret (end of string switch - $).\n\t//               (0:      opening sequence       )(1:   marker  )(2:                typed mention              )$\n\tconst pattern = `(?:^|[ ${ openAfterCharacters }])([${ marker }])(${ mentionCharacters }${ numberOfCharacters })$`;\n\treturn new RegExp( pattern, 'u' );\n}\n\n// Creates a test callback for the marker to be used in the text watcher instance.\n//\n// @param {Array.<Object>} feedsWithPattern Feeds of mention plugin configured in editor with RegExp to match marker in text\n// @returns {Function}\nfunction createTestCallback( feedsWithPattern ) {\n\tconst textMatcher = text => {\n\t\tconst markerDefinition = getLastValidMarkerInText( feedsWithPattern, text );\n\n\t\tif ( !markerDefinition ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tlet splitStringFrom = 0;\n\n\t\tif ( markerDefinition.position !== 0 ) {\n\t\t\tsplitStringFrom = markerDefinition.position - 1;\n\t\t}\n\n\t\tconst textToTest = text.substring( splitStringFrom );\n\n\t\treturn markerDefinition.pattern.test( textToTest );\n\t};\n\n\treturn textMatcher;\n}\n\n// Creates a text matcher from the marker.\n//\n// @param {Object} markerDefinition\n// @param {String} text\n// @returns {Function}\nfunction requestFeedText( markerDefinition, text ) {\n\tlet splitStringFrom = 0;\n\n\tif ( markerDefinition.position !== 0 ) {\n\t\tsplitStringFrom = markerDefinition.position - 1;\n\t}\n\n\tconst regExp = createRegExp( markerDefinition.marker, 0 );\n\tconst textToMatch = text.substring( splitStringFrom );\n\tconst match = textToMatch.match( regExp );\n\n\treturn match[ 2 ];\n}\n\n// The default feed callback.\nfunction createFeedCallback( feedItems ) {\n\treturn feedText => {\n\t\tconst filteredItems = feedItems\n\t\t// Make the default mention feed case-insensitive.\n\t\t\t.filter( item => {\n\t\t\t\t// Item might be defined as object.\n\t\t\t\tconst itemId = typeof item == 'string' ? item : String( item.id );\n\n\t\t\t\t// The default feed is case insensitive.\n\t\t\t\treturn itemId.toLowerCase().includes( feedText.toLowerCase() );\n\t\t\t} );\n\t\treturn filteredItems;\n\t};\n}\n\n// Checks if position in inside or right after a text with a mention.\n//\n// @param {module:engine/model/position~Position} position.\n// @returns {Boolean}\nfunction hasExistingMention( position ) {\n\t// The text watcher listens only to changed range in selection - so the selection attributes are not yet available\n\t// and you cannot use selection.hasAttribute( 'mention' ) just yet.\n\t// See https://github.com/ckeditor/ckeditor5-engine/issues/1723.\n\tconst hasMention = position.textNode && position.textNode.hasAttribute( 'mention' );\n\n\tconst nodeBefore = position.nodeBefore;\n\n\treturn hasMention || nodeBefore && nodeBefore.is( '$text' ) && nodeBefore.hasAttribute( 'mention' );\n}\n\n// Checks if string is a valid mention marker.\n//\n// @param {String} marker\n// @returns {Boolean}\nfunction isValidMentionMarker( marker ) {\n\treturn marker && marker.length == 1;\n}\n\n// Checks the mention plugins is in completion mode (e.g. when typing is after a valid mention string like @foo).\n//\n// @returns {Boolean}\nfunction checkIfStillInCompletionMode( editor ) {\n\treturn editor.model.markers.has( 'mention' );\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./mention.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./mention.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize/resizeimagecommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\n/**\n * The resize image command. Currently, it only supports the width attribute.\n *\n * @extends module:core/command~Command\n */\nexport default class ResizeImageCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst element = imageUtils.getClosestSelectedImageElement( editor.model.document.selection );\n\n\t\tthis.isEnabled = !!element;\n\n\t\tif ( !element || !element.hasAttribute( 'width' ) ) {\n\t\t\tthis.value = null;\n\t\t} else {\n\t\t\tthis.value = {\n\t\t\t\twidth: element.getAttribute( 'width' ),\n\t\t\t\theight: null\n\t\t\t};\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t *\t\t// Sets the width to 50%:\n\t *\t\teditor.execute( 'resizeImage', { width: '50%' } );\n\t *\n\t *\t\t// Removes the width attribute:\n\t *\t\teditor.execute( 'resizeImage', { width: null } );\n\t *\n\t * @param {Object} options\n\t * @param {String|null} options.width The new width of the image.\n\t * @fires execute\n\t */\n\texecute( options ) {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst imageElement = imageUtils.getClosestSelectedImageElement( model.document.selection );\n\n\t\tthis.value = {\n\t\t\twidth: options.width,\n\t\t\theight: null\n\t\t};\n\n\t\tif ( imageElement ) {\n\t\t\tmodel.change( writer => {\n\t\t\t\twriter.setAttribute( 'width', options.width, imageElement );\n\t\t\t} );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize/imageresizeediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageUtils from '../imageutils';\nimport ResizeImageCommand from './resizeimagecommand';\n\n/**\n * The image resize editing feature.\n *\n * It adds the ability to resize each image using handles or manually by\n * {@link module:image/imageresize/imageresizebuttons~ImageResizeButtons} buttons.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageResizeEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageResizeEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'image', {\n\t\t\tresizeUnit: '%',\n\t\t\tresizeOptions: [ {\n\t\t\t\tname: 'resizeImage:original',\n\t\t\t\tvalue: null,\n\t\t\t\ticon: 'original'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'resizeImage:25',\n\t\t\t\tvalue: '25',\n\t\t\t\ticon: 'small'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'resizeImage:50',\n\t\t\t\tvalue: '50',\n\t\t\t\ticon: 'medium'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'resizeImage:75',\n\t\t\t\tvalue: '75',\n\t\t\t\ticon: 'large'\n\t\t\t} ]\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst resizeImageCommand = new ResizeImageCommand( editor );\n\n\t\tthis._registerSchema();\n\t\tthis._registerConverters( 'imageBlock' );\n\t\tthis._registerConverters( 'imageInline' );\n\n\t\t// Register `resizeImage` command and add `imageResize` command as an alias for backward compatibility.\n\t\teditor.commands.add( 'resizeImage', resizeImageCommand );\n\t\teditor.commands.add( 'imageResize', resizeImageCommand );\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_registerSchema() {\n\t\tif ( this.editor.plugins.has( 'ImageBlockEditing' ) ) {\n\t\t\tthis.editor.model.schema.extend( 'imageBlock', { allowAttributes: 'width' } );\n\t\t}\n\n\t\tif ( this.editor.plugins.has( 'ImageInlineEditing' ) ) {\n\t\t\tthis.editor.model.schema.extend( 'imageInline', { allowAttributes: 'width' } );\n\t\t}\n\t}\n\n\t/**\n\t * Registers image resize converters.\n\t *\n\t * @private\n\t * @param {'imageBlock'|'imageInline'} imageType The type of the image.\n\t */\n\t_registerConverters( imageType ) {\n\t\tconst editor = this.editor;\n\n\t\t// Dedicated converter to propagate image's attribute to the img tag.\n\t\teditor.conversion.for( 'downcast' ).add( dispatcher =>\n\t\t\tdispatcher.on( `attribute:width:${ imageType }`, ( evt, data, conversionApi ) => {\n\t\t\t\tif ( !conversionApi.consumable.consume( data.item, evt.name ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\t\tconst figure = conversionApi.mapper.toViewElement( data.item );\n\n\t\t\t\tif ( data.attributeNewValue !== null ) {\n\t\t\t\t\tviewWriter.setStyle( 'width', data.attributeNewValue, figure );\n\t\t\t\t\tviewWriter.addClass( 'image_resized', figure );\n\t\t\t\t} else {\n\t\t\t\t\tviewWriter.removeStyle( 'width', figure );\n\t\t\t\t\tviewWriter.removeClass( 'image_resized', figure );\n\t\t\t\t}\n\t\t\t} )\n\t\t);\n\n\t\teditor.conversion.for( 'upcast' )\n\t\t\t.attributeToAttribute( {\n\t\t\t\tview: {\n\t\t\t\t\tname: imageType === 'imageBlock' ? 'figure' : 'img',\n\t\t\t\t\tstyles: {\n\t\t\t\t\t\twidth: /.+/\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\tmodel: {\n\t\t\t\t\tkey: 'width',\n\t\t\t\t\tvalue: viewElement => viewElement.getStyle( 'width' )\n\t\t\t\t}\n\t\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize/imageresizebuttons\n */\n\nimport { Plugin, icons } from 'ckeditor5/src/core';\nimport { ButtonView, DropdownButtonView, Model, createDropdown, addListToDropdown } from 'ckeditor5/src/ui';\nimport { CKEditorError, Collection } from 'ckeditor5/src/utils';\n\nimport ImageResizeEditing from './imageresizeediting';\n\nconst RESIZE_ICONS = {\n\tsmall: icons.objectSizeSmall,\n\tmedium: icons.objectSizeMedium,\n\tlarge: icons.objectSizeLarge,\n\toriginal: icons.objectSizeFull\n};\n\n/**\n * The image resize buttons plugin.\n *\n * It adds a possibility to resize images using the toolbar dropdown or individual buttons, depending on the plugin configuration.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageResizeButtons extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageResizeEditing ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageResizeButtons';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The resize unit.\n\t\t *\n\t\t * @readonly\n\t\t * @private\n\t\t * @type {module:image/image~ImageConfig#resizeUnit}\n\t\t * @default '%'\n\t\t */\n\t\tthis._resizeUnit = editor.config.get( 'image.resizeUnit' );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst options = editor.config.get( 'image.resizeOptions' );\n\t\tconst command = editor.commands.get( 'resizeImage' );\n\n\t\tthis.bind( 'isEnabled' ).to( command );\n\n\t\tfor ( const option of options ) {\n\t\t\tthis._registerImageResizeButton( option );\n\t\t}\n\n\t\tthis._registerImageResizeDropdown( options );\n\t}\n\n\t/**\n\t * A helper function that creates a standalone button component for the plugin.\n\t *\n\t * @private\n\t * @param {module:image/imageresize/imageresizebuttons~ImageResizeOption} resizeOption A model of the resize option.\n\t */\n\t_registerImageResizeButton( option ) {\n\t\tconst editor = this.editor;\n\t\tconst { name, value, icon } = option;\n\t\tconst optionValueWithUnit = value ? value + this._resizeUnit : null;\n\n\t\teditor.ui.componentFactory.add( name, locale => {\n\t\t\tconst button = new ButtonView( locale );\n\t\t\tconst command = editor.commands.get( 'resizeImage' );\n\t\t\tconst labelText = this._getOptionLabelValue( option, true );\n\n\t\t\tif ( !RESIZE_ICONS[ icon ] ) {\n\t\t\t\t/**\n\t\t\t\t * When configuring {@link module:image/image~ImageConfig#resizeOptions `config.image.resizeOptions`} for standalone\n\t\t\t\t * buttons, a valid `icon` token must be set for each option.\n\t\t\t\t *\n\t\t\t\t * See all valid options described in the\n\t\t\t\t * {@link module:image/imageresize/imageresizebuttons~ImageResizeOption plugin configuration}.\n\t\t\t\t *\n\t\t\t\t * @error imageresizebuttons-missing-icon\n\t\t\t\t * @param {module:image/imageresize/imageresizebuttons~ImageResizeOption} option Invalid image resize option.\n\t\t\t\t*/\n\t\t\t\tthrow new CKEditorError(\n\t\t\t\t\t'imageresizebuttons-missing-icon',\n\t\t\t\t\teditor,\n\t\t\t\t\toption\n\t\t\t\t);\n\t\t\t}\n\n\t\t\tbutton.set( {\n\t\t\t\t// Use the `label` property for a verbose description (because of ARIA).\n\t\t\t\tlabel: labelText,\n\t\t\t\ticon: RESIZE_ICONS[ icon ],\n\t\t\t\ttooltip: labelText,\n\t\t\t\tisToggleable: true\n\t\t\t} );\n\n\t\t\t// Bind button to the command.\n\t\t\tbutton.bind( 'isEnabled' ).to( this );\n\t\t\tbutton.bind( 'isOn' ).to( command, 'value', getIsOnButtonCallback( optionValueWithUnit ) );\n\n\t\t\tthis.listenTo( button, 'execute', () => {\n\t\t\t\teditor.execute( 'resizeImage', { width: optionValueWithUnit } );\n\t\t\t} );\n\n\t\t\treturn button;\n\t\t} );\n\t}\n\n\t/**\n\t * A helper function that creates a dropdown component for the plugin containing all the resize options defined in\n\t * the editor configuration.\n\t *\n\t * @private\n\t * @param {Array.<module:image/imageresize/imageresizebuttons~ImageResizeOption>} options An array of configured options.\n\t */\n\t_registerImageResizeDropdown( options ) {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst originalSizeOption = options.find( option => !option.value );\n\n\t\tconst componentCreator = locale => {\n\t\t\tconst command = editor.commands.get( 'resizeImage' );\n\t\t\tconst dropdownView = createDropdown( locale, DropdownButtonView );\n\t\t\tconst dropdownButton = dropdownView.buttonView;\n\n\t\t\tdropdownButton.set( {\n\t\t\t\ttooltip: t( 'Resize image' ),\n\t\t\t\tcommandValue: originalSizeOption.value,\n\t\t\t\ticon: RESIZE_ICONS.medium,\n\t\t\t\tisToggleable: true,\n\t\t\t\tlabel: this._getOptionLabelValue( originalSizeOption ),\n\t\t\t\twithText: true,\n\t\t\t\tclass: 'ck-resize-image-button'\n\t\t\t} );\n\n\t\t\tdropdownButton.bind( 'label' ).to( command, 'value', commandValue => {\n\t\t\t\tif ( commandValue && commandValue.width ) {\n\t\t\t\t\treturn commandValue.width;\n\t\t\t\t} else {\n\t\t\t\t\treturn this._getOptionLabelValue( originalSizeOption );\n\t\t\t\t}\n\t\t\t} );\n\t\t\tdropdownView.bind( 'isOn' ).to( command );\n\t\t\tdropdownView.bind( 'isEnabled' ).to( this );\n\n\t\t\taddListToDropdown( dropdownView, this._getResizeDropdownListItemDefinitions( options, command ) );\n\n\t\t\tdropdownView.listView.ariaLabel = t( 'Image resize list' );\n\n\t\t\t// Execute command when an item from the dropdown is selected.\n\t\t\tthis.listenTo( dropdownView, 'execute', evt => {\n\t\t\t\teditor.execute( evt.source.commandName, { width: evt.source.commandValue } );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\treturn dropdownView;\n\t\t};\n\n\t\t// Register `resizeImage` dropdown and add `imageResize` dropdown as an alias for backward compatibility.\n\t\teditor.ui.componentFactory.add( 'resizeImage', componentCreator );\n\t\teditor.ui.componentFactory.add( 'imageResize', componentCreator );\n\t}\n\n\t/**\n\t * A helper function for creating an option label value string.\n\t *\n\t * @private\n\t * @param {module:image/imageresize/imageresizebuttons~ImageResizeOption} option A resize option object.\n\t * @param {Boolean} [forTooltip] An optional flag for creating a tooltip label.\n\t * @returns {String} A user-defined label combined from the numeric value and the resize unit or the default label\n\t * for reset options (`Original`).\n\t */\n\t_getOptionLabelValue( option, forTooltip ) {\n\t\tconst t = this.editor.t;\n\n\t\tif ( option.label ) {\n\t\t\treturn option.label;\n\t\t} else if ( forTooltip ) {\n\t\t\tif ( option.value ) {\n\t\t\t\treturn t( 'Resize image to %0', option.value + this._resizeUnit );\n\t\t\t} else {\n\t\t\t\treturn t( 'Resize image to the original size' );\n\t\t\t}\n\t\t} else {\n\t\t\tif ( option.value ) {\n\t\t\t\treturn option.value + this._resizeUnit;\n\t\t\t} else {\n\t\t\t\treturn t( 'Original' );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * A helper function that parses the resize options and returns list item definitions ready for use in the dropdown.\n\t *\n\t * @private\n\t * @param {Array.<module:image/imageresize/imageresizebuttons~ImageResizeOption>} options The resize options.\n\t * @param {module:image/imageresize/resizeimagecommand~ResizeImageCommand} command The resize image command.\n\t * @returns {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>} Dropdown item definitions.\n\t */\n\t_getResizeDropdownListItemDefinitions( options, command ) {\n\t\tconst itemDefinitions = new Collection();\n\n\t\toptions.map( option => {\n\t\t\tconst optionValueWithUnit = option.value ? option.value + this._resizeUnit : null;\n\t\t\tconst definition = {\n\t\t\t\ttype: 'button',\n\t\t\t\tmodel: new Model( {\n\t\t\t\t\tcommandName: 'resizeImage',\n\t\t\t\t\tcommandValue: optionValueWithUnit,\n\t\t\t\t\tlabel: this._getOptionLabelValue( option ),\n\t\t\t\t\twithText: true,\n\t\t\t\t\ticon: null\n\t\t\t\t} )\n\t\t\t};\n\n\t\t\tdefinition.model.bind( 'isOn' ).to( command, 'value', getIsOnButtonCallback( optionValueWithUnit ) );\n\n\t\t\titemDefinitions.add( definition );\n\t\t} );\n\n\t\treturn itemDefinitions;\n\t}\n}\n\n// A helper function for setting the `isOn` state of buttons in value bindings.\nfunction getIsOnButtonCallback( value ) {\n\treturn commandValue => {\n\t\tif ( value === null && commandValue === value ) {\n\t\t\treturn true;\n\t\t}\n\n\t\treturn commandValue && commandValue.width === value;\n\t};\n}\n\n/**\n * The image resize option used in the {@link module:image/image~ImageConfig#resizeOptions image resize configuration}.\n *\n * @typedef {Object} module:image/imageresize/imageresizebuttons~ImageResizeOption\n * @property {String} name The name of the UI component that changes the image size.\n * * If you configure the feature using individual resize buttons, you can refer to this name in the\n * {@link module:image/image~ImageConfig#toolbar image toolbar configuration}.\n * * If you configure the feature using the resize dropdown, this name will be used for a list item in the dropdown.\n * @property {String} value The value of the resize option without the unit\n * ({@link module:image/image~ImageConfig#resizeUnit configured separately}). `null` resets an image to its original size.\n * @property {String} [icon] An icon used by an individual resize button (see the `name` property to learn more).\n * Available icons are: `'small'`, `'medium'`, `'large'`, `'original'`.\n * @property {String} [label] An option label displayed in the dropdown or, if the feature is configured using\n * individual buttons, a {@link module:ui/button/buttonview~ButtonView#tooltip} and an ARIA attribute of a button.\n * If not specified, the label is generated automatically based on the `value` option and the\n * {@link module:image/image~ImageConfig#resizeUnit `config.image.resizeUnit`}.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize/imageresizehandles\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { WidgetResize } from 'ckeditor5/src/widget';\n\nimport ImageLoadObserver from '../image/imageloadobserver';\n\nconst RESIZABLE_IMAGES_CSS_SELECTOR =\n\t'figure.image.ck-widget > img,' +\n\t'figure.image.ck-widget > picture > img,' +\n\t'figure.image.ck-widget > a > img,' +\n\t'figure.image.ck-widget > a > picture > img,' +\n\t'span.image-inline.ck-widget > img,' +\n\t'span.image-inline.ck-widget > picture > img';\n\nconst IMAGE_WIDGETS_CLASSES_MATCH_REGEXP = /(image|image-inline)/;\n\nconst RESIZED_IMAGE_CLASS = 'image_resized';\n\n/**\n * The image resize by handles feature.\n *\n * It adds the ability to resize each image using handles or manually by\n * {@link module:image/imageresize/imageresizebuttons~ImageResizeButtons} buttons.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageResizeHandles extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ WidgetResize ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageResizeHandles';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst command = this.editor.commands.get( 'resizeImage' );\n\t\tthis.bind( 'isEnabled' ).to( command );\n\n\t\tthis._setupResizerCreator();\n\t}\n\n\t/**\n\t * Attaches the listeners responsible for creating a resizer for each image, except for images inside the HTML embed preview.\n\t *\n\t * @private\n\t */\n\t_setupResizerCreator() {\n\t\tconst editor = this.editor;\n\t\tconst editingView = editor.editing.view;\n\n\t\teditingView.addObserver( ImageLoadObserver );\n\n\t\tthis.listenTo( editingView.document, 'imageLoaded', ( evt, domEvent ) => {\n\t\t\t// The resizer must be attached only to images loaded by the `ImageInsert`, `ImageUpload` or `LinkImage` plugins.\n\t\t\tif ( !domEvent.target.matches( RESIZABLE_IMAGES_CSS_SELECTOR ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst domConverter = editor.editing.view.domConverter;\n\t\t\tconst imageView = domConverter.domToView( domEvent.target );\n\t\t\tconst widgetView = imageView.findAncestor( { classes: IMAGE_WIDGETS_CLASSES_MATCH_REGEXP } );\n\t\t\tlet resizer = this.editor.plugins.get( WidgetResize ).getResizerByViewElement( widgetView );\n\n\t\t\tif ( resizer ) {\n\t\t\t\t// There are rare cases when the image will be triggered multiple times for the same widget, e.g. when\n\t\t\t\t// the image's source was changed after upload (https://github.com/ckeditor/ckeditor5/pull/8108#issuecomment-708302992).\n\t\t\t\tresizer.redraw();\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst mapper = editor.editing.mapper;\n\t\t\tconst imageModel = mapper.toModelElement( widgetView );\n\n\t\t\tresizer = editor.plugins\n\t\t\t\t.get( WidgetResize )\n\t\t\t\t.attachTo( {\n\t\t\t\t\tunit: editor.config.get( 'image.resizeUnit' ),\n\n\t\t\t\t\tmodelElement: imageModel,\n\t\t\t\t\tviewElement: widgetView,\n\t\t\t\t\teditor,\n\n\t\t\t\t\tgetHandleHost( domWidgetElement ) {\n\t\t\t\t\t\treturn domWidgetElement.querySelector( 'img' );\n\t\t\t\t\t},\n\t\t\t\t\tgetResizeHost() {\n\t\t\t\t\t\t// Return the model image element parent to avoid setting an inline element (<a>/<span>) as a resize host.\n\t\t\t\t\t\treturn domConverter.viewToDom( mapper.toViewElement( imageModel.parent ) );\n\t\t\t\t\t},\n\t\t\t\t\t// TODO consider other positions.\n\t\t\t\t\tisCentered() {\n\t\t\t\t\t\tconst imageStyle = imageModel.getAttribute( 'imageStyle' );\n\n\t\t\t\t\t\treturn !imageStyle || imageStyle == 'block' || imageStyle == 'alignCenter';\n\t\t\t\t\t},\n\n\t\t\t\t\tonCommit( newValue ) {\n\t\t\t\t\t\t// Get rid of the CSS class in case the command execution that follows is unsuccessful\n\t\t\t\t\t\t// (e.g. Track Changes can override it and the new dimensions will not apply). Otherwise,\n\t\t\t\t\t\t// the presence of the class and the absence of the width style will cause it to take 100%\n\t\t\t\t\t\t// of the horizontal space.\n\t\t\t\t\t\teditingView.change( writer => {\n\t\t\t\t\t\t\twriter.removeClass( RESIZED_IMAGE_CLASS, widgetView );\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t\teditor.execute( 'resizeImage', { width: newValue } );\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\tresizer.on( 'updateSize', () => {\n\t\t\t\tif ( !widgetView.hasClass( RESIZED_IMAGE_CLASS ) ) {\n\t\t\t\t\teditingView.change( writer => {\n\t\t\t\t\t\twriter.addClass( RESIZED_IMAGE_CLASS, widgetView );\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tresizer.bind( 'isEnabled' ).to( this );\n\t\t} );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imageresize.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./imageresize.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative/imagetextalternativecommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\n/**\n * The image text alternative command. It is used to change the `alt` attribute of `<imageBlock>` and `<imageInline>` model elements.\n *\n * @extends module:core/command~Command\n */\nexport default class ImageTextAlternativeCommand extends Command {\n\t/**\n\t * The command value: `false` if there is no `alt` attribute, otherwise the value of the `alt` attribute.\n\t *\n\t * @readonly\n\t * @observable\n\t * @member {String|Boolean} #value\n\t */\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst editor = this.editor;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst element = imageUtils.getClosestSelectedImageElement( this.editor.model.document.selection );\n\n\t\tthis.isEnabled = !!element;\n\n\t\tif ( this.isEnabled && element.hasAttribute( 'alt' ) ) {\n\t\t\tthis.value = element.getAttribute( 'alt' );\n\t\t} else {\n\t\t\tthis.value = false;\n\t\t}\n\t}\n\n\t/**\n\t * Executes the command.\n\t *\n\t * @fires execute\n\t * @param {Object} options\n\t * @param {String} options.newValue The new value of the `alt` attribute to set.\n\t */\n\texecute( options ) {\n\t\tconst editor = this.editor;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\t\tconst model = editor.model;\n\t\tconst imageElement = imageUtils.getClosestSelectedImageElement( model.document.selection );\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setAttribute( 'alt', options.newValue, imageElement );\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative/imagetextalternativeediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageTextAlternativeCommand from './imagetextalternativecommand';\nimport ImageUtils from '../imageutils';\n\n/**\n * The image text alternative editing plugin.\n *\n * Registers the `'imageTextAlternative'` command.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageTextAlternativeEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageTextAlternativeEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tthis.editor.commands.add( 'imageTextAlternative', new ImageTextAlternativeCommand( this.editor ) );\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./textalternativeform.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./textalternativeform.css\";\n       export default content && content.locals ? content.locals : undefined;\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative/ui/textalternativeformview\n */\n\nimport {\n\tButtonView,\n\tFocusCycler,\n\tLabeledFieldView,\n\tView,\n\tViewCollection,\n\tcreateLabeledInputText,\n\tinjectCssTransitionDisabler,\n\tsubmitHandler\n} from 'ckeditor5/src/ui';\nimport { FocusTracker, KeystrokeHandler } from 'ckeditor5/src/utils';\nimport { icons } from 'ckeditor5/src/core';\n\nimport '../../../theme/textalternativeform.css';\n\n// See: #8833.\n// eslint-disable-next-line ckeditor5-rules/ckeditor-imports\nimport '@ckeditor/ckeditor5-ui/theme/components/responsive-form/responsiveform.css';\n\n/**\n * The TextAlternativeFormView class.\n *\n * @extends module:ui/view~View\n */\nexport default class TextAlternativeFormView extends View {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( locale ) {\n\t\tsuper( locale );\n\n\t\tconst t = this.locale.t;\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * An input with a label.\n\t\t *\n\t\t * @member {module:ui/labeledfield/labeledfieldview~LabeledFieldView} #labeledInput\n\t\t */\n\t\tthis.labeledInput = this._createLabeledInputView();\n\n\t\t/**\n\t\t * A button used to submit the form.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView} #saveButtonView\n\t\t */\n\t\tthis.saveButtonView = this._createButton( t( 'Save' ), icons.check, 'ck-button-save' );\n\t\tthis.saveButtonView.type = 'submit';\n\n\t\t/**\n\t\t * A button used to cancel the form.\n\t\t *\n\t\t * @member {module:ui/button/buttonview~ButtonView} #cancelButtonView\n\t\t */\n\t\tthis.cancelButtonView = this._createButton( t( 'Cancel' ), icons.cancel, 'ck-button-cancel', 'cancel' );\n\n\t\t/**\n\t\t * A collection of views which can be focused in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis._focusables = new ViewCollection();\n\n\t\t/**\n\t\t * Helps cycling over {@link #_focusables} in the form.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this._focusables,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate form fields backwards using the Shift + Tab keystroke.\n\t\t\t\tfocusPrevious: 'shift + tab',\n\n\t\t\t\t// Navigate form fields forwards using the Tab key.\n\t\t\t\tfocusNext: 'tab'\n\t\t\t}\n\t\t} );\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'form',\n\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-text-alternative-form',\n\t\t\t\t\t'ck-responsive-form'\n\t\t\t\t],\n\n\t\t\t\t// https://github.com/ckeditor/ckeditor5-image/issues/40\n\t\t\t\ttabindex: '-1'\n\t\t\t},\n\n\t\t\tchildren: [\n\t\t\t\tthis.labeledInput,\n\t\t\t\tthis.saveButtonView,\n\t\t\t\tthis.cancelButtonView\n\t\t\t]\n\t\t} );\n\n\t\tinjectCssTransitionDisabler( this );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\tthis.keystrokes.listenTo( this.element );\n\n\t\tsubmitHandler( { view: this } );\n\n\t\t[ this.labeledInput, this.saveButtonView, this.cancelButtonView ]\n\t\t\t.forEach( v => {\n\t\t\t\t// Register the view as focusable.\n\t\t\t\tthis._focusables.add( v );\n\n\t\t\t\t// Register the view in the focus tracker.\n\t\t\t\tthis.focusTracker.add( v.element );\n\t\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\tthis.focusTracker.destroy();\n\t\tthis.keystrokes.destroy();\n\t}\n\n\t/**\n\t * Creates the button view.\n\t *\n\t * @private\n\t * @param {String} label The button label\n\t * @param {String} icon The button's icon.\n\t * @param {String} className The additional button CSS class name.\n\t * @param {String} [eventName] The event name that the ButtonView#execute event will be delegated to.\n\t * @returns {module:ui/button/buttonview~ButtonView} The button view instance.\n\t */\n\t_createButton( label, icon, className, eventName ) {\n\t\tconst button = new ButtonView( this.locale );\n\n\t\tbutton.set( {\n\t\t\tlabel,\n\t\t\ticon,\n\t\t\ttooltip: true\n\t\t} );\n\n\t\tbutton.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: className\n\t\t\t}\n\t\t} );\n\n\t\tif ( eventName ) {\n\t\t\tbutton.delegate( 'execute' ).to( this, eventName );\n\t\t}\n\n\t\treturn button;\n\t}\n\n\t/**\n\t * Creates an input with a label.\n\t *\n\t * @private\n\t * @returns {module:ui/labeledfield/labeledfieldview~LabeledFieldView} Labeled field view instance.\n\t */\n\t_createLabeledInputView() {\n\t\tconst t = this.locale.t;\n\t\tconst labeledInput = new LabeledFieldView( this.locale, createLabeledInputText );\n\n\t\tlabeledInput.label = t( 'Text alternative' );\n\n\t\treturn labeledInput;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/image/ui/utils\n */\n\nimport { BalloonPanelView } from 'ckeditor5/src/ui';\n\n/**\n * A helper utility that positions the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} instance\n * with respect to the image in the editor content, if one is selected.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n */\nexport function repositionContextualBalloon( editor ) {\n\tconst balloon = editor.plugins.get( 'ContextualBalloon' );\n\n\tif ( editor.plugins.get( 'ImageUtils' ).getClosestSelectedImageWidget( editor.editing.view.document.selection ) ) {\n\t\tconst position = getBalloonPositionData( editor );\n\n\t\tballoon.updatePosition( position );\n\t}\n}\n\n/**\n * Returns the positioning options that control the geometry of the\n * {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon contextual balloon} with respect\n * to the selected element in the editor content.\n *\n * @param {module:core/editor/editor~Editor} editor The editor instance.\n * @returns {module:utils/dom/position~Options}\n */\nexport function getBalloonPositionData( editor ) {\n\tconst editingView = editor.editing.view;\n\tconst defaultPositions = BalloonPanelView.defaultPositions;\n\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\treturn {\n\t\ttarget: editingView.domConverter.viewToDom( imageUtils.getClosestSelectedImageWidget( editingView.document.selection ) ),\n\t\tpositions: [\n\t\t\tdefaultPositions.northArrowSouth,\n\t\t\tdefaultPositions.northArrowSouthWest,\n\t\t\tdefaultPositions.northArrowSouthEast,\n\t\t\tdefaultPositions.southArrowNorth,\n\t\t\tdefaultPositions.southArrowNorthWest,\n\t\t\tdefaultPositions.southArrowNorthEast,\n\t\t\tdefaultPositions.viewportStickyNorth\n\t\t]\n\t};\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative/imagetextalternativeui\n */\n\nimport { Plugin, icons } from 'ckeditor5/src/core';\nimport { ButtonView, ContextualBalloon, clickOutsideHandler } from 'ckeditor5/src/ui';\n\nimport TextAlternativeFormView from './ui/textalternativeformview';\nimport { repositionContextualBalloon, getBalloonPositionData } from '../image/ui/utils';\n\n/**\n * The image text alternative UI plugin.\n *\n * The plugin uses the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageTextAlternativeUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ContextualBalloon ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageTextAlternativeUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tthis._createButton();\n\t\tthis._createForm();\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tdestroy() {\n\t\tsuper.destroy();\n\n\t\t// Destroy created UI components as they are not automatically destroyed (see ckeditor5#1341).\n\t\tthis._form.destroy();\n\t}\n\n\t/**\n\t * Creates a button showing the balloon panel for changing the image text alternative and\n\t * registers it in the editor {@link module:ui/componentfactory~ComponentFactory ComponentFactory}.\n\t *\n\t * @private\n\t */\n\t_createButton() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\teditor.ui.componentFactory.add( 'imageTextAlternative', locale => {\n\t\t\tconst command = editor.commands.get( 'imageTextAlternative' );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Change image text alternative' ),\n\t\t\t\ticon: icons.lowVision,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isEnabled' ).to( command, 'isEnabled' );\n\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\tthis._showForm();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\t/**\n\t * Creates the {@link module:image/imagetextalternative/ui/textalternativeformview~TextAlternativeFormView}\n\t * form.\n\t *\n\t * @private\n\t */\n\t_createForm() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\t\t/**\n\t\t * The contextual balloon plugin instance.\n\t\t *\n\t\t * @private\n\t\t * @member {module:ui/panel/balloon/contextualballoon~ContextualBalloon}\n\t\t */\n\t\tthis._balloon = this.editor.plugins.get( 'ContextualBalloon' );\n\n\t\t/**\n\t\t * A form containing a textarea and buttons, used to change the `alt` text value.\n\t\t *\n\t\t * @member {module:image/imagetextalternative/ui/textalternativeformview~TextAlternativeFormView}\n\t\t */\n\t\tthis._form = new TextAlternativeFormView( editor.locale );\n\n\t\t// Render the form so its #element is available for clickOutsideHandler.\n\t\tthis._form.render();\n\n\t\tthis.listenTo( this._form, 'submit', () => {\n\t\t\teditor.execute( 'imageTextAlternative', {\n\t\t\t\tnewValue: this._form.labeledInput.fieldView.element.value\n\t\t\t} );\n\n\t\t\tthis._hideForm( true );\n\t\t} );\n\n\t\tthis.listenTo( this._form, 'cancel', () => {\n\t\t\tthis._hideForm( true );\n\t\t} );\n\n\t\t// Close the form on Esc key press.\n\t\tthis._form.keystrokes.set( 'Esc', ( data, cancel ) => {\n\t\t\tthis._hideForm( true );\n\t\t\tcancel();\n\t\t} );\n\n\t\t// Reposition the balloon or hide the form if an image widget is no longer selected.\n\t\tthis.listenTo( editor.ui, 'update', () => {\n\t\t\tif ( !imageUtils.getClosestSelectedImageWidget( viewDocument.selection ) ) {\n\t\t\t\tthis._hideForm( true );\n\t\t\t} else if ( this._isVisible ) {\n\t\t\t\trepositionContextualBalloon( editor );\n\t\t\t}\n\t\t} );\n\n\t\t// Close on click outside of balloon panel element.\n\t\tclickOutsideHandler( {\n\t\t\temitter: this._form,\n\t\t\tactivator: () => this._isVisible,\n\t\t\tcontextElements: [ this._balloon.view.element ],\n\t\t\tcallback: () => this._hideForm()\n\t\t} );\n\t}\n\n\t/**\n\t * Shows the {@link #_form} in the {@link #_balloon}.\n\t *\n\t * @private\n\t */\n\t_showForm() {\n\t\tif ( this._isVisible ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst editor = this.editor;\n\t\tconst command = editor.commands.get( 'imageTextAlternative' );\n\t\tconst labeledInput = this._form.labeledInput;\n\n\t\tthis._form.disableCssTransitions();\n\n\t\tif ( !this._isInBalloon ) {\n\t\t\tthis._balloon.add( {\n\t\t\t\tview: this._form,\n\t\t\t\tposition: getBalloonPositionData( editor )\n\t\t\t} );\n\t\t}\n\n\t\t// Make sure that each time the panel shows up, the field remains in sync with the value of\n\t\t// the command. If the user typed in the input, then canceled the balloon (`labeledInput#value`\n\t\t// stays unaltered) and re-opened it without changing the value of the command, they would see the\n\t\t// old value instead of the actual value of the command.\n\t\t// https://github.com/ckeditor/ckeditor5-image/issues/114\n\t\tlabeledInput.fieldView.value = labeledInput.fieldView.element.value = command.value || '';\n\n\t\tthis._form.labeledInput.fieldView.select();\n\n\t\tthis._form.enableCssTransitions();\n\t}\n\n\t/**\n\t * Removes the {@link #_form} from the {@link #_balloon}.\n\t *\n\t * @param {Boolean} [focusEditable=false] Controls whether the editing view is focused afterwards.\n\t * @private\n\t */\n\t_hideForm( focusEditable ) {\n\t\tif ( !this._isInBalloon ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Blur the input element before removing it from DOM to prevent issues in some browsers.\n\t\t// See https://github.com/ckeditor/ckeditor5/issues/1501.\n\t\tif ( this._form.focusTracker.isFocused ) {\n\t\t\tthis._form.saveButtonView.focus();\n\t\t}\n\n\t\tthis._balloon.remove( this._form );\n\n\t\tif ( focusEditable ) {\n\t\t\tthis.editor.editing.view.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #_form} is the visible view in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isVisible() {\n\t\treturn this._balloon.visibleView === this._form;\n\t}\n\n\t/**\n\t * Returns `true` when the {@link #_form} is in the {@link #_balloon}.\n\t *\n\t * @private\n\t * @type {Boolean}\n\t */\n\tget _isInBalloon() {\n\t\treturn this._balloon.hasView( this._form );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetextalternative\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageTextAlternativeEditing from './imagetextalternative/imagetextalternativeediting';\nimport ImageTextAlternativeUI from './imagetextalternative/imagetextalternativeui';\n\n/**\n * The image text alternative plugin.\n *\n * For a detailed overview, check the {@glink features/images/images-styles image styles} documentation.\n *\n * This is a \"glue\" plugin which loads the\n *  {@link module:image/imagetextalternative/imagetextalternativeediting~ImageTextAlternativeEditing}\n * and {@link module:image/imagetextalternative/imagetextalternativeui~ImageTextAlternativeUI} plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageTextAlternative extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageTextAlternativeEditing, ImageTextAlternativeUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageTextAlternative';\n\t}\n}\n","\n      import API from \"!../../../style-loader/dist/runtime/injectStylesIntoStyleTag.js\";\n      import domAPI from \"!../../../style-loader/dist/runtime/singletonStyleDomAPI.js\";\n      import insertFn from \"!../../../style-loader/dist/runtime/insertBySelector.js\";\n      import setAttributes from \"!../../../style-loader/dist/runtime/setAttributesWithAttributesAndNonce.js\";\n      import insertStyleElement from \"!../../../style-loader/dist/runtime/insertStyleElement.js\";\n      \n      import content, * as namedExport from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./image.css\";\n      \n      \n\nvar options = {\"attributes\":{\"data-cke\":true}};\n\n;\noptions.setAttributes = setAttributes;\n\n      options.insert = insertFn.bind(null, \"head\");\n    \noptions.domAPI = domAPI;\noptions.insertStyleElement = insertStyleElement;\n\nvar update = API(content, options);\n\n\n\nexport * from \"!!../../../css-loader/dist/cjs.js!../../../postcss-loader/dist/cjs.js??ruleSet[1].rules[1].use[2]!./image.css\";\n       export default content && content.locals ? content.locals : undefined;\n","import OPMacroTocPlugin from './plugins/op-macro-toc-plugin';\nimport OPMacroEmbeddedTable from './plugins/op-macro-embedded-table/embedded-table-plugin';\nimport OPMacroWpButtonPlugin from './plugins/op-macro-wp-button/op-macro-wp-button-plugin';\nimport OpUploadPlugin from './plugins/op-upload-plugin';\nimport OPChildPagesPlugin from \"./plugins/op-macro-child-pages/op-macro-child-pages-plugin\";\nimport Essentials from \"@ckeditor/ckeditor5-essentials/src/essentials\";\nimport UploadAdapter from \"@ckeditor/ckeditor5-adapter-ckfinder/src/uploadadapter\";\nimport AutoFormat from \"@ckeditor/ckeditor5-autoformat/src/autoformat\";\nimport Bold from \"@ckeditor/ckeditor5-basic-styles/src/bold\";\nimport Code from \"@ckeditor/ckeditor5-basic-styles/src/code\";\nimport Strikethrough from \"@ckeditor/ckeditor5-basic-styles/src/strikethrough\"\nimport Italic from \"@ckeditor/ckeditor5-basic-styles/src/italic\";\nimport BlockQuote from \"@ckeditor/ckeditor5-block-quote/src/blockquote\";\nimport Heading from \"@ckeditor/ckeditor5-heading/src/heading\";\nimport ImageCaption from \"@ckeditor/ckeditor5-image/src/imagecaption\";\nimport ImageStyle from \"@ckeditor/ckeditor5-image/src/imagestyle\";\nimport ImageToolbar from \"@ckeditor/ckeditor5-image/src/imagetoolbar\";\nimport Link from \"@ckeditor/ckeditor5-link/src/link\";\nimport List from \"@ckeditor/ckeditor5-list/src/list\";\nimport Paragraph from \"@ckeditor/ckeditor5-paragraph/src/paragraph\";\nimport Typing from \"@ckeditor/ckeditor5-typing/src/typing\";\nimport OPHelpLinkPlugin from \"./plugins/op-help-link-plugin/op-help-link-plugin\";\nimport CodeBlockPlugin from \"./plugins/code-block/code-block\";\nimport OPPreviewPlugin from \"./plugins/op-preview.plugin\";\nimport Table from \"@ckeditor/ckeditor5-table/src/table\";\nimport TableToolbar from \"@ckeditor/ckeditor5-table/src/tabletoolbar\";\nimport TableProperties from '@ckeditor/ckeditor5-table/src/tableproperties';\nimport TableCellProperties from '@ckeditor/ckeditor5-table/src/tablecellproperties';\nimport PasteFromOffice from '@ckeditor/ckeditor5-paste-from-office/src/pastefromoffice';\nimport TodoList from \"@ckeditor/ckeditor5-list/src/todolist\";\nimport OPMacroListPlugin from \"./plugins/op-macro-list-plugin\";\nimport OPAttachmentListenerPlugin from './plugins/op-attachment-listener-plugin';\nimport OpImageAttachmentLookup from './plugins/op-image-attachment-lookup/op-image-attachment-lookup-plugin';\nimport CommonMark from './commonmark/commonmark';\nimport OPSourceCodePlugin from './plugins/op-source-code.plugin';\n// import Mention from \"../forked/ckeditor5-mention/src/mention\";\nimport Mention from \"@ckeditor/ckeditor5-mention/src/mention\";\nimport {MentionCaster} from './mentions/mentions-caster';\nimport ImageResize from \"@ckeditor/ckeditor5-image/src/imageresize\";\nimport OpCustomCssClassesPlugin from \"./plugins/op-custom-css-classes-plugin\";\nimport ImageBlock from '@ckeditor/ckeditor5-image/src/imageblock';\n\n// We divide our plugins into separate concerns here\n// in order to enable / disable each group by configuration\nexport const opMacroPlugins = [\n\tOPMacroTocPlugin,\n\tOPMacroEmbeddedTable,\n\tOPMacroWpButtonPlugin,\n\tOPChildPagesPlugin,\n];\n\nexport const opImageUploadPlugins = [\n\tOpUploadPlugin,\n\tOPAttachmentListenerPlugin\n];\n\nexport const builtinPlugins = [\n\tEssentials,\n\tUploadAdapter,\n\tAutoFormat,\n\tBold,\n\tCode,\n\tItalic,\n\tStrikethrough,\n\tBlockQuote,\n\tHeading,\n\tImageBlock,\n\tImageCaption,\n\tImageStyle,\n\tImageResize,\n\tImageToolbar,\n\tOpImageAttachmentLookup,\n\tLink,\n\tList,\n\tTodoList,\n\tParagraph,\n\tTyping,\n\n\t// Built-in mentions\n\tMention,\n\tMentionCaster,\n\tPasteFromOffice,\n\n\tOPHelpLinkPlugin,\n\tCodeBlockPlugin,\n\tOPPreviewPlugin,\n\tOPSourceCodePlugin,\n\n\tCommonMark,\n\tTable,\n\tTableToolbar,\n\tTableProperties,\n\tTableCellProperties,\n\n\tOPMacroListPlugin,\n\n\tOpCustomCssClassesPlugin,\n].concat(\n\t// OpenProject Macro plugin group\n\topMacroPlugins,\n\n\t// OpenProject image upload plugins\n\topImageUploadPlugins,\n);\n","import EmbeddedTableEditing from './embedded-table-editing';\nimport Widget from '@ckeditor/ckeditor5-widget/src/widget';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport EmbeddedTableToolbar from './embedded-table-toolbar';\n\nexport default class OPMacroEmbeddedTable extends Plugin {\n\tstatic get requires() {\n\t\treturn [ EmbeddedTableEditing, Widget, EmbeddedTableToolbar ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroEmbeddedTable';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn EmbeddedTableEditing.buttonName;\n\t}\n}\n","import Widget from '@ckeditor/ckeditor5-widget/src/widget';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport OPMacroWpButtonEditing from './op-macro-wp-button-editing';\nimport OPMacroWpButtonToolbar from './op-macro-wp-button-toolbar';\n\nexport default class OPMacroWpButtonPlugin extends Plugin {\n\tstatic get requires() {\n\t\treturn [ OPMacroWpButtonEditing, Widget, OPMacroWpButtonToolbar ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPMacroWpButton';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn OPMacroWpButtonEditing.buttonName;\n\t}\n}\n","import Widget from '@ckeditor/ckeditor5-widget/src/widget';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport OPChildPagesEditing from './op-macro-child-pages-editing';\nimport OPChildPagesToolbar from './op-macro-child-pages-toolbar';\n\nexport default class OPChildPagesPlugin extends Plugin {\n\tstatic get requires() {\n\t\treturn [ OPChildPagesEditing, Widget, OPChildPagesToolbar ];\n\t}\n\n\tstatic get pluginName() {\n\t\treturn 'OPChildPages';\n\t}\n\n\tstatic get buttonName() {\n\t\treturn OPChildPagesEditing.buttonName;\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport FileRepository from '@ckeditor/ckeditor5-upload/src/filerepository';\nimport OpUploadResourceAdapter from './op-upload-resource-adapter';\nimport {getOPResource} from './op-context/op-context';\nimport ImageUpload from '@ckeditor/ckeditor5-image/src/imageupload';\n\nexport default class OpUploadPlugin extends Plugin {\n\n    static get requires() {\n        return [FileRepository, ImageUpload];\n    }\n\n    static get pluginName() {\n        return 'OpUploadPlugin';\n    }\n\n    init() {\n        this.editor.plugins.get('FileRepository').createUploadAdapter = (loader) => {\n\t\t\tconst resource = getOPResource(this.editor);\n\t\t\treturn new OpUploadResourceAdapter(loader, resource, this.editor);\n\t\t}\n    }\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport Selection from '@ckeditor/ckeditor5-engine/src/model/selection';\n\nexport default class OPAttachmentListenerPlugin extends Plugin {\n\tstatic get pluginName() {\n\t\treturn 'OPAttachmentListener';\n\t}\n\n\tinit() {\n\t\tlet editor = this.editor;\n\n\t\teditor.model.on('op:attachment-removed', (_, urls) => {\n\t\t\tthis.removeDeletedImage(urls)\n\t\t});\n\t}\n\n\tremoveDeletedImage(urls) {\n\t\tlet root = this.editor.model.document.getRoot();\n\n\t\tfor (const child of Array.from(root.getChildren())) {\n\t\t\tif (child.name === 'image' && urls.indexOf(child.getAttribute('src')) > -1) {\n\t\t\t\tconst selection = new Selection( child, 'on' );\n\n\t\t\t\tthis.editor.model.deleteContent(selection);\n\t\t\t}\n\t\t}\n\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module essentials/essentials\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport { Clipboard } from 'ckeditor5/src/clipboard';\nimport { Enter, ShiftEnter } from 'ckeditor5/src/enter';\nimport { SelectAll } from 'ckeditor5/src/select-all';\nimport { Typing } from 'ckeditor5/src/typing';\nimport { Undo } from 'ckeditor5/src/undo';\n\n/**\n * A plugin including all essential editing features. It represents a set of features that enables similar functionalities\n * to a `<textarea>` element.\n *\n * It includes:\n *\n * * {@link module:clipboard/clipboard~Clipboard},\n * * {@link module:enter/enter~Enter},\n * * {@link module:select-all/selectall~SelectAll},\n * * {@link module:enter/shiftenter~ShiftEnter},\n * * {@link module:typing/typing~Typing},\n * * {@link module:undo/undo~Undo}.\n *\n * This plugin set does not define any block-level containers (such as {@link module:paragraph/paragraph~Paragraph}).\n * If your editor is supposed to handle block content, make sure to include it.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Essentials extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Clipboard, Enter, SelectAll, ShiftEnter, Typing, Undo ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Essentials';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/bold\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport BoldEditing from './bold/boldediting';\nimport BoldUI from './bold/boldui';\n\n/**\n * The bold feature.\n *\n * For a detailed overview check the {@glink features/basic-styles Basic styles feature documentation}\n * and the {@glink api/basic-styles package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:basic-styles/bold/boldediting~BoldEditing bold editing feature}\n * and {@link module:basic-styles/bold/boldui~BoldUI bold UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Bold extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ BoldEditing, BoldUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Bold';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/code\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport CodeEditing from './code/codeediting';\nimport CodeUI from './code/codeui';\n\nimport '../theme/code.css';\n\n/**\n * The code feature.\n *\n * For a detailed overview check the {@glink features/basic-styles Basic styles feature documentation}\n * and the {@glink api/basic-styles package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:basic-styles/code/codeediting~CodeEditing code editing feature}\n * and {@link module:basic-styles/code/codeui~CodeUI code UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Code extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ CodeEditing, CodeUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Code';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/italic\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ItalicEditing from './italic/italicediting';\nimport ItalicUI from './italic/italicui';\n\n/**\n * The italic feature.\n *\n * For a detailed overview check the {@glink features/basic-styles Basic styles feature documentation}\n * and the {@glink api/basic-styles package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:basic-styles/italic/italicediting~ItalicEditing} and\n * {@link module:basic-styles/italic/italicui~ItalicUI} plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Italic extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ItalicEditing, ItalicUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Italic';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module basic-styles/strikethrough\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport StrikethroughEditing from './strikethrough/strikethroughediting';\nimport StrikethroughUI from './strikethrough/strikethroughui';\n\n/**\n * The strikethrough feature.\n *\n * For a detailed overview check the {@glink features/basic-styles Basic styles feature documentation}\n * and the {@glink api/basic-styles package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:basic-styles/strikethrough/strikethroughediting~StrikethroughEditing} and\n * {@link module:basic-styles/strikethrough/strikethroughui~StrikethroughUI} plugins.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Strikethrough extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ StrikethroughEditing, StrikethroughUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Strikethrough';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module block-quote/blockquote\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport BlockQuoteEditing from './blockquoteediting';\nimport BlockQuoteUI from './blockquoteui';\n\n/**\n * The block quote plugin.\n *\n * For more information about this feature check the {@glink api/block-quote package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:block-quote/blockquoteediting~BlockQuoteEditing block quote editing feature}\n * and {@link module:block-quote/blockquoteui~BlockQuoteUI block quote UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class BlockQuote extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ BlockQuoteEditing, BlockQuoteUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'BlockQuote';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module heading/heading\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport HeadingEditing from './headingediting';\nimport HeadingUI from './headingui';\n\nimport '../theme/heading.css';\n\n/**\n * The headings feature.\n *\n * For a detailed overview, check the {@glink features/headings Headings feature documentation}\n * and the {@glink api/heading package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:heading/headingediting~HeadingEditing heading editing feature}\n * and {@link module:heading/headingui~HeadingUI heading UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Heading extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ HeadingEditing, HeadingUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Heading';\n\t}\n}\n\n/**\n * The configuration of the heading feature. Introduced by the {@link module:heading/headingediting~HeadingEditing} feature.\n *\n * Read more in {@link module:heading/heading~HeadingConfig}.\n *\n * @member {module:heading/heading~HeadingConfig} module:core/editor/editorconfig~EditorConfig#heading\n */\n\n/**\n * The configuration of the heading feature.\n * The option is used by the {@link module:heading/headingediting~HeadingEditing} feature.\n *\n *\t\tClassicEditor\n *\t\t\t.create( {\n * \t\t\t\theading: ... // Heading feature config.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface HeadingConfig\n */\n\n/**\n * The available heading options.\n *\n * The default value is:\n *\n *\t\tconst headingConfig = {\n *\t\t\toptions: [\n *\t\t\t\t{ model: 'paragraph', title: 'Paragraph', class: 'ck-heading_paragraph' },\n *\t\t\t\t{ model: 'heading1', view: 'h2', title: 'Heading 1', class: 'ck-heading_heading1' },\n *\t\t\t\t{ model: 'heading2', view: 'h3', title: 'Heading 2', class: 'ck-heading_heading2' },\n *\t\t\t\t{ model: 'heading3', view: 'h4', title: 'Heading 3', class: 'ck-heading_heading3' }\n *\t\t\t]\n *\t\t};\n *\n * It defines 3 levels of headings. In the editor model they will use `heading1`, `heading2`, and `heading3` elements.\n * Their respective view elements (so the elements output by the editor) will be: `h2`, `h3`, and `h4`. This means that\n * if you choose \"Heading 1\" in the headings dropdown the editor will turn the current block to `<heading1>` in the model\n * which will result in rendering (and outputting to data) the `<h2>` element.\n *\n * The `title` and `class` properties will be used by the `headings` dropdown to render available options.\n * Usually, the first option in the headings dropdown is the \"Paragraph\" option, hence it's also defined on the list.\n * However, you don't need to define its view representation because it's handled by\n * the {@link module:paragraph/paragraph~Paragraph} feature (which is required by\n * the {@link module:heading/headingediting~HeadingEditing} feature).\n *\n * You can **read more** about configuring heading levels and **see more examples** in\n * the {@glink features/headings Headings} guide.\n *\n * Note: In the model you should always start from `heading1`, regardless of how the headings are represented in the view.\n * That's assumption is used by features like {@link module:autoformat/autoformat~Autoformat} to know which element\n * they should use when applying the first level heading.\n *\n * The defined headings are also available as values passed to the `'heading'` command under their model names.\n * For example, the below code will apply `<heading1>` to the current selection:\n *\n *\t\teditor.execute( 'heading', { value: 'heading1' } );\n *\n * @member {Array.<module:heading/heading~HeadingOption>} module:heading/heading~HeadingConfig#options\n */\n\n/**\n * Heading option descriptor.\n *\n * @typedef {Object} module:heading/heading~HeadingOption\n * @property {String} model Name of the model element to convert.\n * @property {module:engine/view/elementdefinition~ElementDefinition} view Definition of a view element to convert from/to.\n * @property {String} title The user-readable title of the option.\n * @property {String} class The class which will be added to the dropdown item representing this option.\n * @property {String} [icon] Icon used by {@link module:heading/headingbuttonsui~HeadingButtonsUI}. It can be omitted when using\n * the default configuration.\n * @extends module:engine/conversion/conversion~ConverterDefinition\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageblock\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Widget } from 'ckeditor5/src/widget';\n\nimport ImageTextAlternative from './imagetextalternative';\nimport ImageBlockEditing from './image/imageblockediting';\n\nimport '../theme/image.css';\n\n/**\n * The image inline plugin.\n *\n * This is a \"glue\" plugin which loads the following plugins:\n *\n * * {@link module:image/image/imageblockediting~ImageBlockEditing},\n * * {@link module:image/imagetextalternative~ImageTextAlternative}.\n *\n * Usually, it is used in conjunction with other plugins from this package. See the {@glink api/image package page}\n * for more information.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageBlock extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageBlockEditing, Widget, ImageTextAlternative ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageBlock';\n\t}\n}\n\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagecaption\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageCaptionEditing from './imagecaption/imagecaptionediting';\nimport ImageCaptionUI from './imagecaption/imagecaptionui';\n\nimport '../theme/imagecaption.css';\n\n/**\n * The image caption plugin.\n *\n * For a detailed overview, check the {@glink features/images/images-captions image caption} documentation.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageCaption extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageCaptionEditing, ImageCaptionUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageCaption';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagestyle\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageStyleEditing from './imagestyle/imagestyleediting';\nimport ImageStyleUI from './imagestyle/imagestyleui';\n\n/**\n * The image style plugin.\n *\n * For a detailed overview of the image styles feature, check the {@glink features/images/images-styles documentation}.\n *\n * This is a \"glue\" plugin which loads the following plugins:\n * * {@link module:image/imagestyle/imagestyleediting~ImageStyleEditing},\n * * {@link module:image/imagestyle/imagestyleui~ImageStyleUI}\n *\n * It provides a default configuration, which can be extended or overwritten.\n * Read more about the {@link module:image/image~ImageConfig#styles image styles configuration}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageStyle extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageStyleEditing, ImageStyleUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageStyle';\n\t}\n}\n\n/**\n * The configuration for the {@link module:image/imagestyle~ImageStyle} plugin that should be provided\n * while creating the editor instance.\n *\n * A detailed information about the default configuration and customization can be found in\n * {@link module:image/image~ImageConfig#styles `ImageConfig#styles`}.\n *\n * @interface ImageStyleConfig\n */\n\n/**\n * A list of the image style options.\n *\n * @member {Array.<module:image/imagestyle~ImageStyleOptionDefinition>} module:image/imagestyle~ImageStyleConfig#options\n */\n\n/**\n * The {@link module:image/imagestyle `ImageStyle`} plugin requires a list of the\n * {@link module:image/imagestyle~ImageStyleConfig#options image style options} to work properly.\n * The default configuration is provided (listed below) and can be customized while creating the editor instance.\n *\n * # **Command**\n *\n * The {@link module:image/imagestyle/imagestylecommand~ImageStyleCommand `imageStyleCommand`}\n * is configured based on the defined options,\n * so you can change the style of the selected image by executing the following command:\n *\n *\t\teditor.execute( 'imageStyle' { value: 'alignLeft' } );\n *\n * # **Buttons**\n *\n * All of the image style options provided in the configuration are registered\n * in the {@link module:ui/componentfactory~ComponentFactory UI components factory} with the \"imageStyle:\" prefixes and can be used\n * in the {@link module:image/image~ImageConfig#toolbar image toolbar configuration}. The buttons available by default depending\n * on the loaded plugins are listed in the next section.\n *\n * Read more about styling images in the {@glink features/images/images-styles Image styles guide}.\n *\n * # **Default options and buttons**\n *\n * If the custom configuration is not provided, the default configuration will be used depending on the loaded\n * image editing plugins.\n *\n * * If both {@link module:image/image/imageblockediting~ImageBlockEditing `ImageBlockEditing`} and\n * {@link module:image/image/imageinlineediting~ImageInlineEditing `ImageInlineEditing`} plugins are loaded\n * (which is usually the default editor configuration), the following options will be available for the toolbar\n * configuration. These options will be registered as the buttons with the \"imageStyle:\" prefixes.\n *\n *\t\tconst imageDefaultConfig = {\n *\t\t\tstyles: {\n *\t\t\t\toptions: [\n *\t\t\t\t\t'inline', 'alignLeft', 'alignRight',\n *\t\t\t\t\t'alignCenter', 'alignBlockLeft', 'alignBlockRight',\n *\t\t\t\t\t'block', 'side'\n *\t\t\t\t]\n *\t\t\t}\n *\t\t};\n *\n * * If only the {@link module:image/image/imageblockediting~ImageBlockEditing `ImageBlockEditing`} plugin is loaded,\n * the following buttons (options) and groups will be available for the toolbar configuration.\n * These options will be registered as the buttons with the \"imageStyle:\" prefixes.\n *\n *\t\tconst imageDefaultConfig = {\n *\t\t\tstyles: {\n *\t\t\t\toptions: [ 'block', 'side' ]\n *\t\t\t}\n *\t\t};\n *\n * * If only the {@link module:image/image/imageinlineediting~ImageInlineEditing `ImageInlineEditing`} plugin is loaded,\n * the following buttons (options) and groups will available for the toolbar configuration.\n * These options will be registered as the buttons with the \"imageStyle:\" prefixes.\n *\n *\t\tconst imageDefaultConfig = {\n *\t\t\tstyles: {\n *\t\t\t\toptions: [ 'inline', 'alignLeft', 'alignRight' ]\n *\t\t\t}\n *\t\t};\n *\n * Read more about the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options}.\n *\n * # **Custom configuration**\n *\n * The image styles configuration can be customized in several ways:\n *\n * * Any of the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options}\n * can be loaded by the reference to its name as follows:\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tstyles: {\n *\t\t\t\t\t\toptions: [ 'alignLeft', 'alignRight' ]\n *\t\t\t\t\t}\n *\t\t\t\t}\n *\t\t\t} );\n *\n * * Each of the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default image style options} can be customized,\n * e.g. to change the `icon`, `title` or CSS `className` of the style. The feature also provides several\n * {@link module:image/imagestyle/utils~DEFAULT_ICONS default icons} to choose from.\n *\n *\t\timport customIcon from 'custom-icon.svg';\n *\n *\t\t// ...\n *\n *\t\tClassicEditor.create( editorElement, { image:\n *\t\t\tstyles: {\n *\t\t\t\toptions: {\n *\t\t\t\t\t// This will only customize the icon of the \"block\" style.\n *\t\t\t\t\t// Note: 'right' is one of default icons provided by the feature.\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'block',\n *\t\t\t\t\t\ticon: 'right'\n *\t\t\t\t\t},\n *\n *\t\t\t\t\t// This will customize the icon, title and CSS class of the default \"side\" style.\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'side',\n *\t\t\t\t\t\ticon: customIcon,\n *\t\t\t\t\t\ttitle: 'My side style',\n *\t\t\t\t\t\tclassName: 'custom-side-image'\n *\t\t\t\t\t}\n *\t\t\t\t}\n *\t\t\t}\n *\t\t} );\n *\n * * If none of the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default image style options}\n * works for the integration, it is possible to define independent custom styles, too.\n *\n * See the documentation about the image style {@link module:image/imagestyle~ImageStyleOptionDefinition options}\n * to define the custom image style configuration properly.\n *\n *\t\timport redIcon from 'red-icon.svg';\n *\t\timport blueIcon from 'blue-icon.svg';\n *\n *\t\t// ...\n *\n *\t\tClassicEditor.create( editorElement, { image:\n *\t\t\tstyles: {\n *\t\t\t\t// A list of completely custom styling options.\n *\t\t\t\toptions: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'regular',\n *\t\t\t\t\t\tmodelElements: [ 'imageBlock', 'imageInline' ],\n *\t\t\t\t\t\ttitle: 'Regular image',\n *\t\t\t\t\t\ticon: 'full',\n *\t\t\t\t\t\tisDefault: true\n *\t\t\t\t\t}, {\n *\t\t\t\t\t\tname: 'blue',\n *\t\t\t\t\t\tmodelElements: [ 'imageInline' ],\n *\t\t\t\t\t\ttitle: 'Blue image',\n *\t\t\t\t\t\ticon: blueIcon,\n *\t\t\t\t\t\tclassName: 'image-blue'\n *\t\t\t\t\t}, {\n *\t\t\t\t\t\tname: 'red',\n *\t\t\t\t\t\tmodelElements: [ 'imageBlock' ],\n *\t\t\t\t\t\ttitle: 'Red image',\n *\t\t\t\t\t\ticon: redIcon,\n *\t\t\t\t\t\tclassName: 'image-red'\n *\t\t\t\t\t}\n *\t\t\t\t]\n *\t\t\t}\n *\t\t} );\n *\n * @member {module:image/imagestyle~ImageStyleConfig} module:image/image~ImageConfig#styles\n */\n\n/**\n * The image styling option definition descriptor.\n *\n * This definition should be implemented in the `Image` plugin {@link module:image/image~ImageConfig#styles configuration} for:\n *\n * * customizing one of the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options} by providing the proper name\n * of the default style and the properties that should be overridden,\n * * or defining a completely custom styling option by providing a custom name and implementing the following properties.\n *\n *\t\timport fullSizeIcon from 'path/to/icon.svg';\n *\n *\t\tconst imageStyleOptionDefinition = {\n *\t\t\tname: 'fullSize',\n *\t\t\ticon: fullSizeIcon,\n *\t\t\ttitle: 'Full size image',\n *\t\t\tclassName: 'image-full-size',\n *\t\t\tmodelElements: [ 'imageBlock', 'imageInline' ]\n *\t\t}\n *\n * The styling option will be registered as the button under the name `'imageStyle:{name}'` in the\n * {@link module:ui/componentfactory~ComponentFactory UI components factory} (this functionality is provided by the\n * {@link module:image/imagestyle/imagestyleui~ImageStyleUI} plugin).\n *\n * @property {String} name The unique name of the styling option. It will be used to:\n *\n * * refer to one of the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options} or define the custom style,\n * * store the chosen style in the model by setting the `imageStyle` attribute of the model image element,\n * * as a value of the {@link module:image/imagestyle/imagestylecommand~ImageStyleCommand#execute `imageStyle` command},\n * * when registering a button for the style in the following manner: (`'imageStyle:{name}'`).\n *\n * @property {Boolean} [isDefault] When set, the style will be used as the default one for the model elements\n * listed in the `modelElements` property. A default style does not apply any CSS class to the view element.\n *\n * If this property is not defined, its value is inherited\n * from the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options} addressed in the name property.\n *\n * @property {String} icon One of the following to be used when creating the styles's button:\n *\n * * an SVG icon source (as an XML string),\n * * one of the keys in {@link module:image/imagestyle/utils~DEFAULT_ICONS} to use one of default icons provided by the plugin.\n *\n * If this property is not defined, its value is inherited\n * from the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options} addressed in the name property.\n *\n * @property {String} title The styles's title. Setting `title` to one of\n * {@link module:image/imagestyle/imagestyleui~ImageStyleUI#localizedDefaultStylesTitles}\n * will automatically translate it to the language of the editor.\n *\n * If this property is not defined, its value is inherited\n * from the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options} addressed in the name property.\n *\n * @property {String} [className] The CSS class used to represent the style in the view.\n * It should be used only for the non-default styles.\n *\n * If this property is not defined, its value is inherited\n * from the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options} addressed in the name property.\n *\n * @property {Array.<String>} modelElements The list of the names of the model elements that are supported by the style.\n * The possible values are:\n * * `[ 'imageBlock' ]` if the style can be applied to the image type introduced by the\n * {@link module:image/image/imageblockediting~ImageBlockEditing `ImageBlockEditing`} plugin,\n * * `[ 'imageInline' ]` if the style can be applied to the image type introduced by the\n * {@link module:image/image/imageinlineediting~ImageInlineEditing `ImageInlineEditing`} plugin,\n * * `[ 'imageInline', 'imageBlock' ]` if the style can be applied to both image types introduced by the plugins mentioned above.\n *\n * This property determines which model element names work with the style. If the model element name of the currently selected\n * image is different, upon executing the\n * {@link module:image/imagestyle/imagestylecommand~ImageStyleCommand#execute `imageStyle`} command the image type (model element name)\n * will automatically change.\n *\n * If this property is not defined, its value is inherited\n * from the {@link module:image/imagestyle/utils~DEFAULT_OPTIONS default styling options} addressed in the name property.\n *\n * @typedef {Object} module:image/imagestyle~ImageStyleOptionDefinition\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imageresize\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport ImageResizeButtons from './imageresize/imageresizebuttons';\nimport ImageResizeEditing from './imageresize/imageresizeediting';\nimport ImageResizeHandles from './imageresize/imageresizehandles';\n\nimport '../theme/imageresize.css';\n\n/**\n * The image resize plugin.\n *\n * It adds a possibility to resize each image using handles.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageResize extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ImageResizeEditing, ImageResizeHandles, ImageResizeButtons ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageResize';\n\t}\n}\n\n/**\n * The available options are `'px'` or `'%'`.\n *\n * Determines the size unit applied to the resized image.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: 'px'\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n *\n * This option is used by the {@link module:image/imageresize~ImageResize} feature.\n *\n * @default '%'\n * @member {String} module:image/image~ImageConfig#resizeUnit\n */\n\n/**\n * The image resize options.\n *\n * Each option should have at least these two properties:\n *\n * * name: The name of the UI component registered in the global\n * {@link module:core/editor/editorui~EditorUI#componentFactory component factory} of the editor,\n * representing the button a user can click to change the size of an image,\n * * value: An actual image width applied when a user clicks the mentioned button\n * ({@link module:image/imageresize/resizeimagecommand~ResizeImageCommand} gets executed).\n * The value property is combined with the {@link module:image/image~ImageConfig#resizeUnit `config.image.resizeUnit`} (`%` by default).\n * For instance: `value: '50'` and `resizeUnit: '%'` will render as `'50%'` in the UI.\n *\n * **Resetting the image size**\n *\n * If you want to set an option that will reset image to its original size, you need to pass a `null` value\n * to one of the options. The `:original` token is not mandatory, you can call it anything you wish, but it must reflect\n * in the standalone buttons configuration for the image toolbar.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: \"%\",\n *\t\t\t\t\tresizeOptions: [ {\n *\t\t\t\t\t\tname: 'resizeImage:original',\n *\t\t\t\t\t\tvalue: null\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:50',\n *\t\t\t\t\t\tvalue: '50'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:75',\n *\t\t\t\t\t\tvalue: '75'\n *\t\t\t\t\t} ]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **Resizing images using a dropdown**\n *\n * With resize options defined, you can decide whether you want to display them as a dropdown or as standalone buttons.\n * For the dropdown, you need to pass only the `resizeImage` token to the\n{@link module:image/image~ImageConfig#toolbar `config.image.toolbar`}. The dropdown contains all defined options by default:\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: \"%\",\n *\t\t\t\t\tresizeOptions: [ {\n *\t\t\t\t\t\tname: 'resizeImage:original',\n *\t\t\t\t\t\tvalue: null\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:50',\n *\t\t\t\t\t\tvalue: '50'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:75',\n *\t\t\t\t\t\tvalue: '75'\n *\t\t\t\t\t} ],\n *\t\t\t\t\ttoolbar: [ 'resizeImage', ... ],\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **Resizing images using individual buttons**\n *\n * If you want to have separate buttons for {@link module:image/imageresize/imageresizebuttons~ImageResizeOption each option},\n * pass their names to the {@link module:image/image~ImageConfig#toolbar `config.image.toolbar`} instead. Please keep in mind\n * that this time **you must define the additional\n * {@link module:image/imageresize/imageresizebuttons~ImageResizeOption `icon` property}**:\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: \"%\",\n *\t\t\t\t\tresizeOptions: [ {\n *\t\t\t\t\t\tname: 'resizeImage:original',\n *\t\t\t\t\t\tvalue: null,\n *\t\t\t\t\t\ticon: 'original'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:25',\n *\t\t\t\t\t\tvalue: '25',\n *\t\t\t\t\t\ticon: 'small'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:50',\n *\t\t\t\t\t\tvalue: '50',\n *\t\t\t\t\t\ticon: 'medium'\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:75',\n *\t\t\t\t\t\tvalue: '75',\n *\t\t\t\t\t\ticon: 'large'\n *\t\t\t\t\t} ],\n *\t\t\t\t\ttoolbar: [ 'resizeImage:25', 'resizeImage:50', 'resizeImage:75', 'resizeImage:original', ... ],\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **Customizing resize button labels**\n *\n * You can set your own label for each resize button. To do that, add the `label` property like in the example below.\n *\n * * When using the **dropdown**, the labels are displayed on the list of all options when you open the dropdown.\n * * When using **standalone buttons**, the labels will are displayed as tooltips when a user hovers over the button.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\timage: {\n *\t\t\t\t\tresizeUnit: \"%\",\n *\t\t\t\t\tresizeOptions: [ {\n *\t\t\t\t\t\tname: 'resizeImage:original',\n *\t\t\t\t\t\tvalue: null,\n *\t\t\t\t\t\tlabel: 'Original size'\n *\t\t\t\t\t\t// Note: add the \"icon\" property if you're configuring a standalone button.\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:50',\n *\t\t\t\t\t\tvalue: '50',\n *\t\t\t\t\t\tlabel: 'Medium size'\n *\t\t\t\t\t\t// Note: add the \"icon\" property if you're configuring a standalone button.\n *\t\t\t\t\t},\n *\t\t\t\t\t{\n *\t\t\t\t\t\tname: 'resizeImage:75',\n *\t\t\t\t\t\tvalue: '75',\n *\t\t\t\t\t\tlabel: 'Large size'\n *\t\t\t\t\t\t// Note: add the \"icon\" property if you're configuring a standalone button.\n *\t\t\t\t\t} ]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **Default value**\n *\n * The following configuration is used by default:\n *\n *\t\tresizeOptions = [\n *\t\t\t{\n *\t\t\t\tname: 'resizeImage:original',\n *\t\t\t\tvalue: null,\n *\t\t\t\ticon: 'original'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tname: 'resizeImage:25',\n *\t\t\t\tvalue: '25',\n *\t\t\t\ticon: 'small'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tname: 'resizeImage:50',\n *\t\t\t\tvalue: '50',\n *\t\t\t\ticon: 'medium'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tname: 'resizeImage:75',\n *\t\t\t\tvalue: '75',\n *\t\t\t\ticon: 'large'\n *\t\t\t}\n *\t\t];\n *\n * @member {Array.<module:image/imageresize/imageresizebuttons~ImageResizeOption>} module:image/image~ImageConfig#resizeOptions\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module image/imagetoolbar\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { WidgetToolbarRepository } from 'ckeditor5/src/widget';\nimport ImageUtils from './imageutils';\nimport { isObject } from 'lodash-es';\n\n/**\n * The image toolbar plugin. It creates and manages the image toolbar (the toolbar displayed when an image is selected).\n *\n * For an overview, check the {@glink features/images/images-overview#image-contextual-toolbar image contextual toolbar} documentation.\n *\n * Instances of toolbar components (e.g. buttons) are created using the editor's\n * {@link module:ui/componentfactory~ComponentFactory component factory}\n * based on the {@link module:image/image~ImageConfig#toolbar `image.toolbar` configuration option}.\n *\n * The toolbar uses the {@link module:ui/panel/balloon/contextualballoon~ContextualBalloon}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ImageToolbar extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ WidgetToolbarRepository, ImageUtils ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ImageToolbar';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst widgetToolbarRepository = editor.plugins.get( WidgetToolbarRepository );\n\t\tconst imageUtils = editor.plugins.get( 'ImageUtils' );\n\n\t\twidgetToolbarRepository.register( 'image', {\n\t\t\tariaLabel: t( 'Image toolbar' ),\n\t\t\titems: normalizeDeclarativeConfig( editor.config.get( 'image.toolbar' ) || [] ),\n\t\t\tgetRelatedElement: selection => imageUtils.getClosestSelectedImageWidget( selection )\n\t\t} );\n\t}\n}\n\n/**\n * Items to be placed in the image toolbar.\n * This option is used by the {@link module:image/imagetoolbar~ImageToolbar} feature.\n *\n * Assuming that you use the following features:\n *\n * * {@link module:image/imagestyle~ImageStyle} (with a default configuration),\n * * {@link module:image/imagetextalternative~ImageTextAlternative},\n * * {@link module:image/imagecaption~ImageCaption},\n *\n * the following toolbar items will be available in {@link module:ui/componentfactory~ComponentFactory}:\n * * `'imageTextAlternative'`,\n * * `'toggleImageCaption'`,\n * * {@link module:image/image~ImageConfig#styles buttons provided by the `ImageStyle` plugin},\n * * {@link module:image/imagestyle/utils~DEFAULT_DROPDOWN_DEFINITIONS drop-downs provided by the `ImageStyle` plugin},\n *\n * so you can configure the toolbar like this:\n *\n *\t\tconst imageConfig = {\n *\t\t\ttoolbar: [\n *\t \t\t\t'imageStyle:inline', 'imageStyle:wrapText', 'imageStyle:breakText', '|',\n *\t\t\t\t'toggleImageCaption', 'imageTextAlternative'\n *\t\t\t]\n *\t\t};\n *\n * Besides that, the `ImageStyle` plugin allows to define a\n * {@link module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition custom drop-down} while configuring the toolbar.\n *\n * The same items can also be used in the {@link module:core/editor/editorconfig~EditorConfig#toolbar main editor toolbar}.\n *\n * Read more about configuring toolbar in {@link module:core/editor/editorconfig~EditorConfig#toolbar}.\n *\n * @member {Array.<String>} module:image/image~ImageConfig#toolbar\n */\n\n// Convert the dropdown definitions to their keys registered in the ComponentFactory.\n// The registration precess should be handled by the plugin which handles the UI of a particular feature.\n//\n// @param {Array.<String|module:image/imagestyle/imagestyleui~ImageStyleDropdownDefinition>} config\n//\n// @returns {Array.<String>}\nfunction normalizeDeclarativeConfig( config ) {\n\treturn config.map( item => isObject( item ) ? item.name : item );\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport {getOPResource} from '../op-context/op-context';\nimport {originalSrcAttribute} from '../../commonmark/commonmarkdataprocessor';\n\n\nexport function replaceImageAttachmentsByName(resource) {\n\treturn dispatcher => {\n\t\tdispatcher.on('attribute:src:imageBlock', converter, { priority: 'highest' } );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\n\t\t// We do not consume the attribute since we want the regular attribute\n\t\t// converter to run as well.\n\t\tlet src = data.attributeNewValue;\n\n\t\t// If the resource is not attachable or src has been nulled, do nothing\n\t\tif (!(src && resource.lookupDownloadLocationByName)) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst match = resource.lookupDownloadLocationByName(src);\n\t\tdata.attributeNewValue = match || src;\n\t}\n}\n\nexport function replaceNamedAttachmentWithUrl(resource) {\n\treturn dispatcher => {\n\t\tdispatcher.on('attribute:src:imageBlock', converter, { priority: 'highest' } );\n\t};\n\n\tfunction converter( evt, data, conversionApi ) {\n\n\t\t// We do not consume the attribute since we want the regular attribute\n\t\t// converter to run as well.\n\t\tlet src = data.attributeNewValue;\n\n\t\t// If the resource is not attachable or src has been nulled, do nothing\n\t\tif (!(src && resource.lookupDownloadLocationByName)) {\n\t\t\treturn;\n\t\t}\n\n\n\t\tconst match = resource.lookupDownloadLocationByName(src);\n\t\tdata.attributeNewValue = match || src;\n\n\n\t\tconst viewWriter = conversionApi.writer;\n\t\tconst figure = conversionApi.mapper.toViewElement( data.item );\n\t\tconst img = figure.getChild( 0 );\n\n\t\tif (match) {\n\t\t\tviewWriter.setAttribute(originalSrcAttribute, src, img );\n\t\t}\n\t}\n}\n\n\nexport default class OpImageAttachmentLookup extends Plugin {\n\tstatic get pluginName() {\n\t\treturn 'OpImageAttachmentLookup';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst conversion = editor.conversion;\n\t\tconst resource = getOPResource(editor);\n\n\t\tconversion\n\t\t\t.for('editingDowncast')\n\t\t\t.add(replaceImageAttachmentsByName(resource));\n\n\t\t// Temporarily replace the src attribute with data-src attribute to avoid loading\n\t\tconversion\n\t\t\t.for('dataDowncast')\n\t\t\t.add(replaceNamedAttachmentWithUrl(resource));\n\t}\n\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module link/link\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport LinkEditing from './linkediting';\nimport LinkUI from './linkui';\nimport AutoLink from './autolink';\n\n/**\n * The link plugin.\n *\n * This is a \"glue\" plugin that loads the {@link module:link/linkediting~LinkEditing link editing feature}\n * and {@link module:link/linkui~LinkUI link UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Link extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ LinkEditing, LinkUI, AutoLink ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Link';\n\t}\n}\n\n/**\n * The configuration of the {@link module:link/link~Link} feature.\n *\n * Read more in {@link module:link/link~LinkConfig}.\n *\n * @member {module:link/link~LinkConfig} module:core/editor/editorconfig~EditorConfig#link\n */\n\n/**\n * The configuration of the {@link module:link/link~Link link feature}.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\tlink:  ... // Link feature configuration.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n * @interface LinkConfig\n */\n\n/**\n * When set, the editor will add the given protocol to the link when the user creates a link without one.\n * For example, when the user is creating a link and types `ckeditor.com` in the link form input, during link submission\n * the editor will automatically add the `http://` protocol, so the link will look as follows: `http://ckeditor.com`.\n *\n * The feature also provides email address auto-detection. When you submit `hello@example.com`,\n * the plugin will automatically change it to `mailto:hello@example.com`.\n *\n * \t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\tlink: {\n * \t\t\t\t\tdefaultProtocol: 'http://'\n * \t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * **NOTE:** If no configuration is provided, the editor will not auto-fix the links.\n *\n * @member {String} module:link/link~LinkConfig#defaultProtocol\n */\n\n/**\n * When set to `true`, the `target=\"blank\"` and `rel=\"noopener noreferrer\"` attributes are automatically added to all external links\n * in the editor. \"External links\" are all links in the editor content starting with `http`, `https`, or `//`.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tlink: {\n *\t\t\t\t\taddTargetToExternalLinks: true\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * Internally, this option activates a predefined {@link module:link/link~LinkConfig#decorators automatic link decorator}\n * that extends all external links with the `target` and `rel` attributes.\n *\n * **Note**: To control the `target` and `rel` attributes of specific links in the edited content, a dedicated\n * {@link module:link/link~LinkDecoratorManualDefinition manual} decorator must be defined in the\n * {@link module:link/link~LinkConfig#decorators `config.link.decorators`} array. In such scenario,\n * the `config.link.addTargetToExternalLinks` option should remain `undefined` or `false` to not interfere with the manual decorator.\n *\n * It is possible to add other {@link module:link/link~LinkDecoratorAutomaticDefinition automatic}\n * or {@link module:link/link~LinkDecoratorManualDefinition manual} link decorators when this option is active.\n *\n * More information about decorators can be found in the {@link module:link/link~LinkConfig#decorators decorators configuration}\n * reference.\n *\n * @default false\n * @member {Boolean} module:link/link~LinkConfig#addTargetToExternalLinks\n */\n\n/**\n * Decorators provide an easy way to configure and manage additional link attributes in the editor content. There are\n * two types of link decorators:\n *\n * * {@link module:link/link~LinkDecoratorAutomaticDefinition Automatic} &ndash; They match links against pre–defined rules and\n * manage their attributes based on the results.\n * * {@link module:link/link~LinkDecoratorManualDefinition Manual} &ndash; They allow users to control link attributes individually,\n *  using the editor UI.\n *\n * Link decorators are defined as objects with key-value pairs, where the key is the name provided for a given decorator and the\n * value is the decorator definition.\n *\n * The name of the decorator also corresponds to the {@glink framework/guides/architecture/editing-engine#text-attributes text attribute}\n * in the model. For instance, the `isExternal` decorator below is represented as a `linkIsExternal` attribute in the model.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tlink: {\n *\t\t\t\t\tdecorators: {\n *\t\t\t\t\t\tisExternal: {\n *\t\t\t\t\t\t\tmode: 'automatic',\n *\t\t\t\t\t\t\tcallback: url => url.startsWith( 'http://' ),\n *\t\t\t\t\t\t\tattributes: {\n *\t\t\t\t\t\t\t\ttarget: '_blank',\n *\t\t\t\t\t\t\t\trel: 'noopener noreferrer'\n *\t\t\t\t\t\t\t}\n *\t\t\t\t\t\t},\n *\t\t\t\t\t\tisDownloadable: {\n *\t\t\t\t\t\t\tmode: 'manual',\n *\t\t\t\t\t\t\tlabel: 'Downloadable',\n *\t\t\t\t\t\t\tattributes: {\n *\t\t\t\t\t\t\t\tdownload: 'file.png',\n *\t\t\t\t\t\t\t}\n *\t\t\t\t\t\t},\n *\t\t\t\t\t\t// ...\n *\t\t\t\t\t}\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * To learn more about the configuration syntax, check out the {@link module:link/link~LinkDecoratorAutomaticDefinition automatic}\n * and {@link module:link/link~LinkDecoratorManualDefinition manual} decorator option reference.\n *\n * **Warning:** Currently, link decorators work independently of one another and no conflict resolution mechanism exists.\n * For example, configuring the `target` attribute using both an automatic and a manual decorator at the same time could end up with\n * quirky results. The same applies if multiple manual or automatic decorators were defined for the same attribute.\n *\n * **Note**: Since the `target` attribute management for external links is a common use case, there is a predefined automatic decorator\n * dedicated for that purpose which can be enabled by turning a single option on. Check out the\n * {@link module:link/link~LinkConfig#addTargetToExternalLinks `config.link.addTargetToExternalLinks`}\n * configuration description to learn more.\n *\n * See also the {@glink features/link#custom-link-attributes-decorators link feature guide} for more information.\n *\n * @member {Object.<String, module:link/link~LinkDecoratorDefinition>} module:link/link~LinkConfig#decorators\n */\n\n/**\n * A link decorator definition. Two types implement this defition:\n *\n * * {@link module:link/link~LinkDecoratorManualDefinition}\n * * {@link module:link/link~LinkDecoratorAutomaticDefinition}\n *\n * Refer to their document for more information about available options or to the\n * {@glink features/link#custom-link-attributes-decorators link feature guide} for general information.\n *\n * @interface LinkDecoratorDefinition\n */\n\n/**\n * Link decorator type.\n *\n * Check out the {@glink features/link#custom-link-attributes-decorators link feature guide} for more information.\n *\n * @member {'manual'|'automatic'} module:link/link~LinkDecoratorDefinition#mode\n */\n\n/**\n * Describes an automatic {@link module:link/link~LinkConfig#decorators link decorator}. This decorator type matches\n * all links in the editor content against a function that decides whether the link should receive a pre–defined set of attributes.\n *\n * It takes an object with key-value pairs of attributes and a callback function that must return a Boolean value based on the link's\n * `href` (URL). When the callback returns `true`, attributes are applied to the link.\n *\n * For example, to add the `target=\"_blank\"` attribute to all links in the editor starting with `http://`, the\n * configuration could look like this:\n *\n *\t\t{\n *\t\t\tmode: 'automatic',\n *\t\t\tcallback: url => url.startsWith( 'http://' ),\n *\t\t\tattributes: {\n *\t\t\t\ttarget: '_blank'\n *\t\t\t}\n *\t\t}\n *\n * **Note**: Since the `target` attribute management for external links is a common use case, there is a predefined automatic decorator\n * dedicated for that purpose that can be enabled by turning a single option on. Check out the\n * {@link module:link/link~LinkConfig#addTargetToExternalLinks `config.link.addTargetToExternalLinks`}\n * configuration description to learn more.\n *\n * @typedef {Object} module:link/link~LinkDecoratorAutomaticDefinition\n * @property {'automatic'} mode Link decorator type. It is `'automatic'` for all automatic decorators.\n * @property {Function} callback Takes a `url` as a parameter and returns `true` if the `attributes` should be applied to the link.\n * @property {Object} [attributes] Key-value pairs used as link attributes added to the output during the\n * {@glink framework/guides/architecture/editing-engine#conversion downcasting}.\n * Attributes should follow the {@link module:engine/view/elementdefinition~ElementDefinition} syntax.\n * @property {Object} [styles] Key-value pairs used as link styles added to the output during the\n * {@glink framework/guides/architecture/editing-engine#conversion downcasting}.\n * Styles should follow the {@link module:engine/view/elementdefinition~ElementDefinition} syntax.\n * @property {String|Array.<String>} [classes] Class names used as link classes added to the output during the\n * {@glink framework/guides/architecture/editing-engine#conversion downcasting}.\n * Classes should follow the {@link module:engine/view/elementdefinition~ElementDefinition} syntax.\n */\n\n/**\n * Describes a manual {@link module:link/link~LinkConfig#decorators link decorator}. This decorator type is represented in\n * the link feature's {@link module:link/linkui user interface} as a switch that the user can use to control the presence\n * of a predefined set of attributes.\n *\n * For instance, to allow the users to manually control the presence of the `target=\"_blank\"` and\n * `rel=\"noopener noreferrer\"` attributes on specific links, the decorator could look as follows:\n *\n *\t\t{\n *\t\t\tmode: 'manual',\n *\t\t\tlabel: 'Open in a new tab',\n *\t\t\tdefaultValue: true,\n *\t\t\tattributes: {\n *\t\t\t\ttarget: '_blank',\n *\t\t\t\trel: 'noopener noreferrer'\n *\t\t\t}\n *\t\t}\n *\n * @typedef {Object} module:link/link~LinkDecoratorManualDefinition\n * @property {'manual'} mode Link decorator type. It is `'manual'` for all manual decorators.\n * @property {String} label The label of the UI button that the user can use to control the presence of link attributes.\n * @property {Object} [attributes] Key-value pairs used as link attributes added to the output during the\n * {@glink framework/guides/architecture/editing-engine#conversion downcasting}.\n * Attributes should follow the {@link module:engine/view/elementdefinition~ElementDefinition} syntax.\n * @property {Object} [styles] Key-value pairs used as link styles added to the output during the\n * {@glink framework/guides/architecture/editing-engine#conversion downcasting}.\n * Styles should follow the {@link module:engine/view/elementdefinition~ElementDefinition} syntax.\n * @property {String|Array.<String>} [classes] Class names used as link classes added to the output during the\n * {@glink framework/guides/architecture/editing-engine#conversion downcasting}.\n * Classes should follow the {@link module:engine/view/elementdefinition~ElementDefinition} syntax.\n * @property {Boolean} [defaultValue] Controls whether the decorator is \"on\" by default.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/list\n */\n\nimport ListEditing from './listediting';\nimport ListUI from './listui';\n\nimport { Plugin } from 'ckeditor5/src/core';\n\n/**\n * The list feature.\n *\n * This is a \"glue\" plugin that loads the {@link module:list/listediting~ListEditing list editing feature}\n * and {@link module:list/listui~ListUI list UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class List extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ListEditing, ListUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'List';\n\t}\n}\n\n/**\n * The configuration of the {@link module:list/list~List list} feature.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tlist:  ... // The list feature configuration.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface ListConfig\n */\n\n/**\n * The configuration of the {@link module:list/list~List} feature.\n *\n * Read more in {@link module:list/list~ListConfig}.\n *\n * @member {module:module:list/list~ListConfig} module:core/editor/editorconfig~EditorConfig#list\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module list/todolist\n */\n\nimport TodoListEditing from './todolistediting';\nimport TodoListUI from './todolistui';\nimport { Plugin } from 'ckeditor5/src/core';\nimport '../theme/todolist.css';\n\n/**\n * The to-do list feature.\n *\n * This is a \"glue\" plugin that loads the {@link module:list/todolistediting~TodoListEditing to-do list editing feature}\n * and the {@link module:list/todolistui~TodoListUI to-do list UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TodoList extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TodoListEditing, TodoListUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TodoList';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module mention/mention\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport MentionEditing, { _toMentionAttribute } from './mentionediting';\nimport MentionUI from './mentionui';\n\nimport '../theme/mention.css';\n\n/**\n * The mention plugin.\n *\n * For a detailed overview, check the {@glink features/mentions Mention feature documentation}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Mention extends Plugin {\n\t/**\n\t * Creates a mention attribute value from the provided view element and optional data.\n\t *\n\t *\t\teditor.plugins.get( 'Mention' ).toMentionAttribute( viewElement, { userId: '1234' } );\n\t *\n\t *\t\t// For a view element: <span data-mention=\"@joe\">@John Doe</span>\n\t *\t\t// it will return:\n\t *\t\t// { id: '@joe', userId: '1234', uid: '7a7bc7...', _text: '@John Doe' }\n\t *\n\t * @param {module:engine/view/element~Element} viewElement\n\t * @param {String|Object} [data] Additional data to be stored in the mention attribute.\n\t * @returns {module:mention/mention~MentionAttribute}\n\t */\n\ttoMentionAttribute( viewElement, data ) {\n\t\treturn _toMentionAttribute( viewElement, data );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Mention';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ MentionEditing, MentionUI ];\n\t}\n}\n\n/**\n * The configuration of the {@link module:mention/mention~Mention} feature.\n *\n * Read more in {@link module:mention/mention~MentionConfig}.\n *\n * @member {module:mention/mention~MentionConfig} module:core/editor/editorconfig~EditorConfig#mention\n * @type {Array.<module/mention~MentionFeed>}\n */\n\n/**\n * The configuration of the mention feature.\n *\n * Read more about {@glink features/mentions#configuration configuring the mention feature}.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tmention: ... // Mention feature options.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface MentionConfig\n */\n\n/**\n * The list of mention feeds supported by the editor.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tplugins: [ Mention, ... ],\n *\t\t\t\tmention: {\n *\t\t\t\t\tfeeds: [\n *\t\t\t\t\t\t{\n *\t\t\t\t\t\t\tmarker: '@',\n *\t\t\t\t\t\t\tfeed: [ '@Barney', '@Lily', '@Marshall', '@Robin', '@Ted' ]\n *\t\t\t\t\t\t},\n *\t\t\t\t\t\t...\n * \t\t\t\t\t]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * You can provide many mention feeds but they must use different `marker`s.\n * For example, you can use `'@'` to autocomplete people and `'#'` to autocomplete tags.\n *\n * @member {Array.<module:mention/mention~MentionFeed>} module:mention/mention~MentionConfig#feeds\n */\n\n/**\n * The configuration of the custom commit keys supported by the editor.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tplugins: [ Mention, ... ],\n *\t\t\t\tmention: {\n *\t\t\t\t\t// [ Enter, Space ]\n *\t \t\t\t\tcommitKeys: [ 13, 32 ]\n *\t\t\t\t\tfeeds: [\n *\t\t\t\t\t\t{ ... }\n *\t\t\t\t\t\t...\n * \t\t\t\t\t]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * Custom commit keys configuration allows you to customize how users will confirm the selection of mentions from the dropdown list.\n * You can add as many mention commit keys as you need. For instance, in the snippet above new mentions will be committed by pressing\n * either <kbd>Enter</kbd> or <kbd>Space</kbd> (13 and 32 key codes respectively).\n *\n * @member {Array.<Number>} module:mention/mention~MentionConfig#commitKeys\n * @default [ 13, 9 ] // [ Enter, Tab ]\n */\n\n/**\n * The configuration of the custom number of visible mentions.\n *\n * Customizing the number of visible mentions allows you to specify how many available elements will the users be able to see\n * in the dropdown list. You can specify any number you see fit. For example, in the snippets below you will find the\n * dropdownLimit set to `20` and `Infinity` (this will result in showing all available mentions).\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tplugins: [ Mention, ... ],\n *\t\t\t\tmention: {\n *\t \t\t\t\tdropdownLimit: 20,\n *\t\t\t\t\tfeeds: [\n *\t\t\t\t\t\t{ ... }\n *\t\t\t\t\t\t...\n * \t\t\t\t\t]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tplugins: [ Mention, ... ],\n *\t\t\t\tmention: {\n *\t \t\t\t\tdropdownLimit: Infinity,\n *\t\t\t\t\tfeeds: [\n *\t\t\t\t\t\t{ ... }\n *\t\t\t\t\t\t...\n * \t\t\t\t\t]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * @member {Number} module:mention/mention~MentionConfig#dropdownLimit\n * @default 10\n */\n\n/**\n * The mention feed descriptor. Used in {@link module:mention/mention~MentionConfig `config.mention`}.\n *\n * See {@link module:mention/mention~MentionConfig} to learn more.\n *\n *\t\t// Static configuration.\n *\t\tconst mentionFeedPeople = {\n *\t\t\tmarker: '@',\n *\t\t\tfeed: [ '@Alice', '@Bob', ... ],\n *\t\t\tminimumCharacters: 2\n *\t\t};\n *\n *\t\t// Simple synchronous callback.\n *\t\tconst mentionFeedTags = {\n *\t\t\tmarker: '#',\n *\t\t\tfeed: searchString => {\n *\t\t\t\treturn tags\n *\t\t\t\t\t// Filter the tags list.\n *\t\t\t\t\t.filter( tag => {\n *\t\t\t\t\t\treturn tag.toLowerCase().includes( queryText.toLowerCase() );\n *\t\t\t\t\t} )\n *\t\t\t}\n * \t\t};\n *\n *\t\tconst tags = [ 'wysiwyg', 'rte', 'rich-text-edior', 'collaboration', 'real-time', ... ];\n *\n *\t\t// Asynchronous callback.\n *\t\tconst mentionFeedPlaceholders = {\n *\t\t\tmarker: '$',\n *\t\t\tfeed: searchString => {\n *\t\t\t\treturn getMatchingPlaceholders( searchString );\n *\t\t\t}\n * \t\t};\n *\n *\t\tfunction getMatchingPlaceholders( searchString ) {\n *\t\t\treturn new Promise( resolve => {\n *\t\t\t\tdoSomeXHRQuery( result => {\n *\t\t\t\t\t// console.log( result );\n *\t\t\t\t\t// -> [ '$name', '$surname', '$postal', ... ]\n *\n *\t\t\t\t\tresolve( result );\n * \t\t\t\t} );\n *\t\t\t} );\n *\t\t}\n *\n * @typedef {Object} module:mention/mention~MentionFeed\n * @property {String} [marker] The character which triggers autocompletion for mention. It must be a single character.\n * @property {Array.<module:mention/mention~MentionFeedItem>|Function} feed Autocomplete items. Provide an array for\n * a static configuration (the mention feature will show matching items automatically) or a function which returns an array of\n * matching items (directly, or via a promise). If a function is passed, it is executed in the context of the editor instance.\n * @property {Number} [minimumCharacters=0] Specifies after how many characters the autocomplete panel should be shown.\n * @property {Function} [itemRenderer] A function that renders a {@link module:mention/mention~MentionFeedItem}\n * to the autocomplete panel.\n */\n\n/**\n * The mention feed item. It may be defined as a string or a plain object.\n *\n * When defining a feed item as a plain object, the `id` property is obligatory. Additional properties\n * can be used when customizing the mention feature bahavior\n * (see {@glink features/mentions#customizing-the-autocomplete-list \"Customizing the autocomplete list\"}\n * and {@glink features/mentions#customizing-the-output \"Customizing the output\"} sections).\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n *\t\t\t\tplugins: [ Mention, ... ],\n *\t\t\t\tmention: {\n *\t\t\t\t\tfeeds: [\n *\t\t\t\t\t\t// Feed items as objects.\n *\t\t\t\t\t\t{\n *\t\t\t\t\t\t\tmarker: '@',\n *\t\t\t\t\t\t\tfeed: [\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Barney',\n *\t\t\t\t\t\t\t\t\tfullName: 'Barney Bloom'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Lily',\n *\t\t\t\t\t\t\t\t\tfullName: 'Lily Smith'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Marshall',\n *\t\t\t\t\t\t\t\t\tfullName: 'Marshall McDonald'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Robin',\n *\t\t\t\t\t\t\t\t\tfullName: 'Robin Hood'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t{\n *\t\t\t\t\t\t\t\t\tid: '@Ted',\n *\t\t\t\t\t\t\t\t\tfullName: 'Ted Cruze'\n *\t\t\t\t\t\t\t\t},\n *\t\t\t\t\t\t\t\t// ...\n *\t\t\t\t\t\t\t]\n *\t\t\t\t\t\t},\n *\n *\t\t\t\t\t\t// Feed items as plain strings.\n *\t\t\t\t\t\t{\n *\t\t\t\t\t\t\tmarker: '#',\n *\t\t\t\t\t\t\tfeed: [ 'wysiwyg', 'rte', 'rich-text-edior', 'collaboration', 'real-time', ... ]\n *\t\t\t\t\t\t},\n * \t\t\t\t\t]\n *\t\t\t\t}\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * @typedef {Object|String} module:mention/mention~MentionFeedItem\n * @property {String} id A unique ID of the mention. It must start with the marker character.\n * @property {String} [text] Text inserted into the editor when creating a mention.\n */\n\n/**\n * Represents a mention in the model.\n *\n * See {@link module:mention/mention~Mention#toMentionAttribute `Mention#toMentionAttribute()`}.\n *\n * @interface module:mention/mention~MentionAttribute\n * @property {String} id The ID of a mention. It identifies the mention item in the mention feed. There can be multiple mentions\n * in the document with the same ID (e.g. the same hashtag being mentioned).\n * @property {String} uid A unique ID of this mention instance. Should be passed as an `option.id` when using\n * {@link module:engine/view/downcastwriter~DowncastWriter#createAttributeElement writer.createAttributeElement()}.\n * @property {String} _text Helper property that stores the text of the inserted mention. Used for detecting a broken mention\n * in the editing area.\n */\n","import {getPluginContext} from \"../plugins/op-context/op-context\";\nimport ClickObserver from '@ckeditor/ckeditor5-engine/src/view/observer/clickobserver';\n\n\nexport function MentionCaster( editor ) {\n\tconst pluginContext = getPluginContext(editor);\n\tconst view = editor.editing.view;\n\tconst viewDocument = view.document;\n\n\tview.addObserver(ClickObserver);\n\n\t// Open mention links, in a new tab\n\teditor.listenTo(viewDocument, 'click', (evt, data) => {\n\t\tif (data.domTarget.nodeName === 'A' &&  data.domTarget.classList.contains('mention')) {\n\t\t\tconst link = document.createElement('a');\n\t\t\tlink.target = '_blank';\n\t\t\tlink.href = data.domTarget.attributes.href.value;\n\n\t\t\tlink.click();\n\t\t}\n\t});\n\n\t// The upcast converter will convert <mention data-id=\"id\" data-type=\"type\" data-text=\"text\">text</mention>\n\t// elements on the input HTML data to the model 'mention' attribute.\n\teditor.conversion\n\t\t.for( 'upcast' )\n\t\t.elementToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: 'mention',\n\t\t\t\tkey: 'data-mention',\n\t\t\t\tclasses: 'mention',\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: 'mention',\n\t\t\t\tvalue: viewItem => {\n\t\t\t\t\tconst idNumber = viewItem.getAttribute( 'data-id' );\n\t\t\t\t\tconst type = viewItem.getAttribute( 'data-type' );\n\t\t\t\t\tconst text = viewItem.getAttribute( 'data-text' );\n\t\t\t\t\tconst link = getMentionLink(idNumber, type);\n\t\t\t\t\t// The mention feature expects that the mention attribute value\n\t\t\t\t\t// in the model is a plain object with a set of additional attributes.\n\t\t\t\t\t// In order to create a proper object use the toMentionAttribute() helper method:\n\t\t\t\t\tconst mentionAttribute = editor.plugins.get( 'Mention' ).toMentionAttribute( viewItem, {\n\t\t\t\t\t\t// Pass the properties we'll need for the editing and data downcast.\n\t\t\t\t\t\tidNumber,\n\t\t\t\t\t\tlink,\n\t\t\t\t\t\ttext,\n\t\t\t\t\t\ttype,\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn mentionAttribute;\n\t\t\t\t}\n\t\t\t},\n\t\t\tconverterPriority: 'high'\n\t\t} );\n\n\t// Handle mysterious corrupted mentions (<span class=\"mention\" data-type=\"\">${@user or #wp id}</span>)\n\teditor.conversion\n\t\t.for( 'upcast' )\n\t\t.elementToAttribute( {\n\t\tview: {\n\t\t\tname: 'span',\n\t\t\tkey: 'data-mention',\n\t\t\tclasses: 'mention',\n\t\t},\n\t\tmodel: {\n\t\t\tkey: 'mention',\n\t\t\tvalue: viewItem => {\n\t\t\t\tconst children = [...viewItem.getChildren()];\n\t\t\t\tconst content = children[0];\n\t\t\t\tconst text = content && content.data;\n\n\t\t\t\tif (text) {\n\t\t\t\t\tconst errorMessage = `[Invalid mention: ${text}]`;\n\t\t\t\t\tcontent._data = errorMessage;\n\t\t\t\t}\n\n\t\t\t\treturn;\n\t\t\t}\n\t\t},\n\t\tconverterPriority: 'high'\n\t} );\n\n\teditor.conversion\n\t\t.for('editingDowncast')\n\t\t.attributeToElement({\n\t\t\tmodel: 'mention',\n\t\t\tconverterPriority: 'high',\n\t\t\tview: (modelAttributeValue, {writer}) => {\n\t\t\t\t// Do not convert empty attributes (lack of value means no mention).\n\t\t\t\tif ( !modelAttributeValue ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst element = writer.createAttributeElement(\n\t\t\t\t\t'a',\n\t\t\t\t\t{\n\t\t\t\t\t\t'class': 'mention',\n\t\t\t\t\t\t'href': modelAttributeValue.link,\n\t\t\t\t\t\t'data-mention': modelAttributeValue.text,\n\t\t\t\t\t\t'title': modelAttributeValue.text,\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\treturn element;\n\t\t\t}\n\t\t});\n\n\teditor.conversion\n\t\t.for('dataDowncast')\n\t\t.attributeToElement({\n\t\t\tmodel: 'mention',\n\t\t\tconverterPriority: 'high',\n\t\t\tview: (modelAttributeValue, {writer}) => {\n\t\t\t\t// Do not convert empty attributes (lack of value means no mention).\n\t\t\t\tif ( !modelAttributeValue ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst element = writer.createAttributeElement(\n\t\t\t\t\t'mention',\n\t\t\t\t\t{\n\t\t\t\t\t\t'class': 'mention',\n\t\t\t\t\t\t'data-id': modelAttributeValue.idNumber,\n\t\t\t\t\t\t'data-type': modelAttributeValue.type,\n\t\t\t\t\t\t'data-text': modelAttributeValue.text,\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\treturn element;\n\t\t\t}\n\t\t});\n\n\tfunction getMentionLink(id, type) {\n\t\tconst typePath = pluginContext.services.apiV3Service[`${type}s`].segment;\n\t\tconst base = window.OpenProject.urlRoot;\n\n\t\treturn `${base}/${typePath}/${id}`;\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module paste-from-office/pastefromoffice\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ClipboardPipeline } from 'ckeditor5/src/clipboard';\n\nimport GoogleDocsNormalizer from './normalizers/googledocsnormalizer';\nimport MSWordNormalizer from './normalizers/mswordnormalizer';\n\nimport { parseHtml } from './filters/parse';\n\n/**\n * The Paste from Office plugin.\n *\n * This plugin handles content pasted from Office apps and transforms it (if necessary)\n * to a valid structure which can then be understood by the editor features.\n *\n * Transformation is made by a set of predefined {@link module:paste-from-office/normalizer~Normalizer normalizers}.\n * This plugin includes following normalizers:\n *   * {@link module:paste-from-office/normalizers/mswordnormalizer~MSWordNormalizer Microsoft Word normalizer}\n *   * {@link module:paste-from-office/normalizers/googledocsnormalizer~GoogleDocsNormalizer Google Docs normalizer}\n *\n * For more information about this feature check the {@glink api/paste-from-office package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class PasteFromOffice extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'PasteFromOffice';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ ClipboardPipeline ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst viewDocument = editor.editing.view.document;\n\t\tconst normalizers = [];\n\n\t\tnormalizers.push( new MSWordNormalizer( viewDocument ) );\n\t\tnormalizers.push( new GoogleDocsNormalizer( viewDocument ) );\n\n\t\teditor.plugins.get( 'ClipboardPipeline' ).on(\n\t\t\t'inputTransformation',\n\t\t\t( evt, data ) => {\n\t\t\t\tif ( data._isTransformedWithPasteFromOffice ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst htmlString = data.dataTransfer.getData( 'text/html' );\n\t\t\t\tconst activeNormalizer = normalizers.find( normalizer => normalizer.isActive( htmlString ) );\n\n\t\t\t\tif ( activeNormalizer ) {\n\t\t\t\t\tdata._parsedData = parseHtml( htmlString, viewDocument.stylesProcessor );\n\n\t\t\t\t\tactiveNormalizer.execute( data );\n\n\t\t\t\t\tdata._isTransformedWithPasteFromOffice = true;\n\t\t\t\t}\n\t\t\t},\n\t\t\t{ priority: 'high' }\n\t\t);\n\t}\n}\n","// This SVG file import will be handled by webpack's raw-text loader.\n// This means that imageIcon will hold the source SVG.\nimport imageIcon from './../../icons/help.svg';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nexport default class OPHelpLinkPlugin extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPHelpLinkPlugin';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst model = editor.model;\n\t\tconst helpURL = editor.config.get('openProject.helpURL');\n\n\t\teditor.ui.componentFactory.add( 'openProjectShowFormattingHelp', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: window.I18n.t('js.inplace.link_formatting_help'),\n\t\t\t\ticon: imageIcon,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on( 'execute', () => {\n\t\t\t\twindow.open(helpURL, '_blank');\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 512 512\\\"><path d=\\\"M415.462 96.978c-88.1-88.1-230.824-88.1-318.924 0-87.22 87.22-87.22 229.943 0 318.044 88.1 88.1 230.824 88.1 318.924 0 87.22-88.1 87.22-230.824 0-318.044zM246.31 437.047c-24.668 0-44.05-20.263-44.05-44.05 0-24.669 19.382-44.05 44.05-44.05 24.668 0 44.05 19.381 44.05 44.05 0 23.787-20.263 44.05-44.05 44.05zm30.835-154.176v23.787c0 12.334-4.405 16.74-15.858 16.74h-32.597c-11.453 0-15.858-4.406-15.858-16.74v-53.742c0-14.096 14.096-18.5 26.43-22.025 2.643-.88 6.167-1.762 8.81-2.643 16.74-6.167 26.43-13.215 26.43-30.835 0-6.167 0-23.787-29.073-23.787-17.62 0-33.478 7.048-43.17 10.572-5.285 2.643-7.929 3.524-11.453 3.524-5.286 0-10.572-4.405-11.453-9.691L167.9 148.958c-.88-2.643-.88-5.286-.88-7.048 0-21.145 66.075-33.479 88.1-33.479 55.503 0 93.387 36.122 93.387 88.982 0 58.146-44.05 75.767-71.362 85.458z\\\"/></svg>\";","\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport CodeBlockEditing from './code-block-editing';\nimport CodeBlockToolbar from './code-block-toolbar';\n\nexport default class CodeBlockPlugin extends Plugin {\n\tstatic get pluginName() {\n\t\treturn 'CodeBlock';\n\t}\n\n\tstatic get requires() {\n\t\treturn [ CodeBlockEditing, CodeBlockToolbar ];\n\t}\n}\n","// This SVG file import will be handled by webpack's raw-text loader.\n// This means that imageIcon will hold the source SVG.\nimport imageIcon from '../icons/preview.svg';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport {getOPPath, getOPPreviewContext, getOPService} from './op-context/op-context';\nimport {enableItems, disableItems} from '../helpers/button-disabler';\n\nexport default class OPPreviewPlugin extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPPreview';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tlet previewing = false;\n\t\tlet unregisterPreview = null;\n\n\t\teditor.ui.componentFactory.add( 'preview', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: this.label,\n\t\t\t\ticon: imageIcon,\n\t\t\t\ttooltip: true,\n\t\t\t} );\n\n\n\t\t\tlet showPreview = function(preview) {\n\t\t\t\tlet $mainEditor = jQuery(editor.ui.getEditableElement()).parent();\n\t\t\t\tlet $reference;\n\n\t\t\t\tif ($mainEditor.length) {\n\t\t\t\t\t$reference = $mainEditor;\n\t\t\t\t} else {\n\t\t\t\t\t$reference = $editable;\n\t\t\t\t}\n\n\t\t\t\tlet $previewWrapper = jQuery('<div class=\"ck-editor__preview op-uc-container\"></div>');\n\t\t\t\t$reference.siblings('.ck-editor__preview').remove();\n\n\t\t\t\tconst previewService = getOPService(editor, 'ckEditorPreview');\n\t\t\t\tunregisterPreview = previewService.render($previewWrapper[0], preview);\n\n\t\t\t\t$reference.hide();\n\t\t\t\t$reference.after($previewWrapper);\n\n\t\t\t\tdisableItems(editor, view);\n\t\t\t};\n\n\t\t\tlet getAndShowPreview = function() {\n\t\t\t\tlet link = getOPPreviewContext(editor);\n\t\t\t\tlet url = getOPPath(editor).api.v3.previewMarkup(link);\n\n\t\t\t\tjQuery\n\t\t\t\t\t.ajax({\n\t\t\t\t\t\tdata: editor.getData(),\n\t\t\t\t\t\turl: url,\n\t\t\t\t\t\tresponse_type: 'text',\n\t\t\t\t\t\tcontentType: 'text/plain; charset=UTF-8',\n\t\t\t\t\t\tmethod: 'POST',\n\t\t\t\t\t}).done(showPreview);\n\t\t\t};\n\n\t\t\tlet disablePreviewing = function() {\n\t\t\t\tlet $mainEditor = jQuery(editor.ui.getEditableElement()).parent();\n\n\t\t\t\tunregisterPreview();\n\t\t\t\t$mainEditor.siblings('.ck-editor__preview').remove();\n\t\t\t\t$mainEditor.show();\n\n\t\t\t\tenableItems(editor);\n\t\t\t};\n\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on('execute', () => {\n\t\t\t\tif (previewing) {\n\t\t\t\t\tpreviewing = false;\n\n\t\t\t\t\tdisablePreviewing();\n\t\t\t\t} else {\n\t\t\t\t\tpreviewing = true;\n\n\t\t\t\t\tgetAndShowPreview();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n\tget label() {\n\t\treturn window.I18n.t('js.editor.preview');\n\t}\n}\n","export default \"<svg xmlns=\\\"http://www.w3.org/2000/svg\\\" viewBox=\\\"0 0 512 512\\\" width=\\\"20\\\"><path d=\\\"M124 334v14c84 139 279 139 362 0v-14c-83-139-278-139-362 0zm181 91c-46 0-83-38-83-84s37-83 83-83c47 0 84 37 84 83s-37 84-84 84zm42-84c0 23-19 42-42 42s-41-19-41-42 18-42 41-42 42 19 42 42zm83-254L312-32H37v512h127v-46H83V14h210l91 92v91h46V87z\\\"/></svg>\\n\";","// This SVG file import will be handled by webpack's raw-text loader.\n// This means that imageIcon will hold the source SVG.\nimport sourceIcon from '../icons/source.svg';\nimport wysiwygIcon from '../icons/wysiwyg.svg';\n\nimport ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport {getOPPath, getOPPreviewContext, getOPService} from './op-context/op-context';\nimport {enableItems, disableItems} from '../helpers/button-disabler';\n\nexport default class OPSourceCodePlugin extends Plugin {\n\n\tstatic get pluginName() {\n\t\treturn 'OPSourceCode';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tlet inSourceMode = false;\n\t\tlet labels = {\n\t\t\tsource: window.I18n.t('js.editor.mode.manual'),\n\t\t\twysiwyg: window.I18n.t('js.editor.mode.wysiwyg'),\n\t\t}\n\n\n\t\teditor.ui.componentFactory.add( 'opShowSource', locale => {\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: labels.source,\n\t\t\t\tclass: '',\n\t\t\t\ticon: sourceIcon,\n\t\t\t\ttooltip: true,\n\t\t\t} );\n\n\n\t\t\tlet showSource = function(preview) {\n\t\t\t\tlet $mainEditor = jQuery(editor.ui.getEditableElement()).parent();\n\t\t\t\tlet $reference;\n\n\t\t\t\tif ($mainEditor.length) {\n\t\t\t\t\t$reference = $mainEditor;\n\t\t\t\t} else {\n\t\t\t\t\t$reference = $editable;\n\t\t\t\t}\n\n\t\t\t\tlet $sourceWrapper = jQuery('<div class=\"ck-editor__source\"></div>');\n\t\t\t\t$reference.siblings('.ck-editor__source').remove();\n\n\t\t\t\t$reference.hide();\n\t\t\t\t$reference.after($sourceWrapper);\n\n\t\t\t\tdisableItems(editor, view);\n\n\t\t\t\teditor.fire('op:source-code-enabled');\n\n\t\t\t\tview.set( {\n\t\t\t\t\tlabel: labels.wysiwyg,\n\t\t\t\t\tclass: '-source-enabled',\n\t\t\t\t\ticon: wysiwygIcon,\n\t\t\t\t\ttooltip: true,\n\t\t\t\t} );\n\n\t\t\t};\n\n\t\t\tlet hideSource = function() {\n\t\t\t\tlet $mainEditor = jQuery(editor.ui.getEditableElement()).parent();\n\n\t\t\t\teditor.fire('op:source-code-disabled');\n\n\t\t\t\t$mainEditor.siblings('.ck-editor__source').remove();\n\t\t\t\t$mainEditor.show();\n\n\t\t\t\tenableItems(editor);\n\n\t\t\t\tview.set( {\n\t\t\t\t\tlabel: labels.source,\n\t\t\t\t\tclass: '',\n\t\t\t\t\ticon: sourceIcon,\n\t\t\t\t\ttooltip: true,\n\t\t\t\t} );\n\t\t\t};\n\n\n\t\t\t// Callback executed once the image is clicked.\n\t\t\tview.on('execute', () => {\n\t\t\t\tif (inSourceMode) {\n\t\t\t\t\tinSourceMode = false;\n\t\t\t\t\thideSource();\n\t\t\t\t} else {\n\t\t\t\t\tinSourceMode = true;\n\t\t\t\t\tshowSource();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\treturn view;\n\t\t} );\n\t}\n\n}\n","export default \"<?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\"?>\\n<svg\\n   xmlns:dc=\\\"http://purl.org/dc/elements/1.1/\\\"\\n   xmlns:cc=\\\"http://creativecommons.org/ns#\\\"\\n   xmlns:rdf=\\\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\\\"\\n   xmlns:svg=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns=\\\"http://www.w3.org/2000/svg\\\"\\n   xmlns:sodipodi=\\\"http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd\\\"\\n   xmlns:inkscape=\\\"http://www.inkscape.org/namespaces/inkscape\\\"\\n   viewBox=\\\"0 0 512 512\\\"\\n   version=\\\"1.1\\\"\\n   id=\\\"svg4\\\"\\n   sodipodi:docname=\\\"wysiwyg.svg\\\"\\n   inkscape:version=\\\"0.92.3 (2405546, 2018-03-11)\\\">\\n  <metadata\\n     id=\\\"metadata10\\\">\\n    <rdf:RDF>\\n      <cc:Work\\n         rdf:about=\\\"\\\">\\n        <dc:format>image/svg+xml</dc:format>\\n        <dc:type\\n           rdf:resource=\\\"http://purl.org/dc/dcmitype/StillImage\\\" />\\n      </cc:Work>\\n    </rdf:RDF>\\n  </metadata>\\n  <defs\\n     id=\\\"defs8\\\" />\\n  <sodipodi:namedview\\n     pagecolor=\\\"#ffffff\\\"\\n     bordercolor=\\\"#666666\\\"\\n     borderopacity=\\\"1\\\"\\n     objecttolerance=\\\"10\\\"\\n     gridtolerance=\\\"10\\\"\\n     guidetolerance=\\\"10\\\"\\n     inkscape:pageopacity=\\\"0\\\"\\n     inkscape:pageshadow=\\\"2\\\"\\n     inkscape:window-width=\\\"640\\\"\\n     inkscape:window-height=\\\"480\\\"\\n     id=\\\"namedview6\\\"\\n     showgrid=\\\"false\\\"\\n     inkscape:zoom=\\\"1.3037281\\\"\\n     inkscape:cx=\\\"252.52639\\\"\\n     inkscape:cy=\\\"155.86537\\\"\\n     inkscape:current-layer=\\\"svg4\\\" />\\n  <path\\n     d=\\\"m 166.9714,230.61312 h 185 v 31 h -185 z m 1,-61 h 185 v 32 h -185 z m 0,-61 h 185 v 32 h -185 z m 289,5 -118,-118.0000009 H 63.971404 V 507.61312 H 457.9714 v -394 z m -347,348 V 41.613119 h 210 l 92,92.000001 v 328 z\\\"\\n     id=\\\"path2\\\"\\n     inkscape:connector-curvature=\\\"0\\\"\\n     sodipodi:nodetypes=\\\"cccccccccccccccccccccccccccc\\\" />\\n  <rect\\n     style=\\\"fill:#000000;fill-opacity:1;stroke:#353535;stroke-opacity:1\\\"\\n     id=\\\"rect832\\\"\\n     width=\\\"184.08746\\\"\\n     height=\\\"112.75357\\\"\\n     x=\\\"169.51387\\\"\\n     y=\\\"313.33896\\\" />\\n</svg>\\n\";","/**\n * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md.\n */\n\nimport CommonMarkDataProcessor from './commonmarkdataprocessor';\n\n// Simple plugin which loads the data processor.\n// eslint-disable-next-line no-unused-vars\nexport default function CommonMarkPlugin(editor) {\n\teditor.data.processor = new CommonMarkDataProcessor(editor.editing.view.document);\n}\n\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/table\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Widget } from 'ckeditor5/src/widget';\n\nimport TableEditing from './tableediting';\nimport TableUI from './tableui';\nimport TableSelection from './tableselection';\nimport TableClipboard from './tableclipboard';\nimport TableKeyboard from './tablekeyboard';\nimport TableMouse from './tablemouse';\n\nimport '../theme/table.css';\n\n/**\n * The table plugin.\n *\n * For a detailed overview, check the {@glink features/table Table feature documentation}.\n *\n * This is a \"glue\" plugin that loads the following table features:\n *\n * * {@link module:table/tableediting~TableEditing editing feature},\n * * {@link module:table/tableselection~TableSelection selection feature},\n * * {@link module:table/tablekeyboard~TableKeyboard keyboard navigation feature},\n * * {@link module:table/tablemouse~TableMouse mouse selection feature},\n * * {@link module:table/tableclipboard~TableClipboard clipboard feature},\n * * {@link module:table/tableui~TableUI UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Table extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableEditing, TableUI, TableSelection, TableMouse, TableKeyboard, TableClipboard, Widget ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Table';\n\t}\n}\n\n/**\n * The configuration of the table feature. Used by the table feature in the `@ckeditor/ckeditor5-table` package.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\ttable: ... // Table feature options.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface TableConfig\n */\n\n/**\n * The configuration of the {@link module:table/table~Table} feature.\n *\n * Read more in {@link module:table/table~TableConfig}.\n *\n * @member {module:table/table~TableConfig} module:core/editor/editorconfig~EditorConfig#table\n */\n\n/**\n * Number of rows and columns to render by default as table heading when inserting new tables.\n *\n * You can configure it like this:\n *\n *\t\tconst tableConfig = {\n *\t\t\tdefaultHeadings: {\n *\t\t\t\trows: 1,\n *\t\t\t\tcolumns: 1\n *\t\t\t}\n *\t\t};\n *\n * Both rows and columns properties are optional defaulting to 0 (no heading).\n *\n * @member {Object} module:table/table~TableConfig#defaultHeadings\n */\n\n/**\n * An array of color definitions (either strings or objects).\n *\n *\t\tconst colors = [\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 60%)',\n *\t\t\t\tlabel: 'Grey'\n *\t\t\t},\n *\t\t\t'hsl(0, 0%, 80%)',\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\tlabel: 'Light grey'\n *\t\t\t},\n *\t\t\t{\n *\t\t\t\tcolor: 'hsl(0, 0%, 100%)',\n *\t\t\t\tlabel: 'White',\n *\t\t\t\thasBorder: true\n *\t\t\t},\n *\t\t\t'#FF0000'\n *\t\t]\n *\n * Usually used as a configuration parameter, for instance in\n * {@link module:table/table~TableConfig#tableProperties `config.table.tableProperties`}\n * or {@link module:table/table~TableConfig#tableCellProperties `config.table.tableCellProperties`}.\n *\n * @typedef {Array.<String|Object>} module:table/table~TableColorConfig\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tabletoolbar\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { WidgetToolbarRepository } from 'ckeditor5/src/widget';\nimport { getSelectedTableWidget, getTableWidgetAncestor } from './utils/ui/widget';\n\n/**\n * The table toolbar class. It creates toolbars for the table feature and its content (for now only for the table cell content).\n *\n * The table toolbar shows up when a table widget is selected. Its components (e.g. buttons) are created based on the\n * {@link module:table/table~TableConfig#tableToolbar `table.tableToolbar` configuration option}.\n *\n * Table content toolbar shows up when the selection is inside the content of a table. It creates its component based on the\n * {@link module:table/table~TableConfig#contentToolbar `table.contentToolbar` configuration option}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableToolbar extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ WidgetToolbarRepository ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableToolbar';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tafterInit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst widgetToolbarRepository = editor.plugins.get( WidgetToolbarRepository );\n\n\t\tconst tableContentToolbarItems = editor.config.get( 'table.contentToolbar' );\n\n\t\tconst tableToolbarItems = editor.config.get( 'table.tableToolbar' );\n\n\t\tif ( tableContentToolbarItems ) {\n\t\t\twidgetToolbarRepository.register( 'tableContent', {\n\t\t\t\tariaLabel: t( 'Table toolbar' ),\n\t\t\t\titems: tableContentToolbarItems,\n\t\t\t\tgetRelatedElement: getTableWidgetAncestor\n\t\t\t} );\n\t\t}\n\n\t\tif ( tableToolbarItems ) {\n\t\t\twidgetToolbarRepository.register( 'table', {\n\t\t\t\tariaLabel: t( 'Table toolbar' ),\n\t\t\t\titems: tableToolbarItems,\n\t\t\t\tgetRelatedElement: getSelectedTableWidget\n\t\t\t} );\n\t\t}\n\t}\n}\n\n/**\n * Items to be placed in the table content toolbar.\n * The {@link module:table/tabletoolbar~TableToolbar} plugin is required to make this toolbar work.\n *\n * Assuming that you use the {@link module:table/tableui~TableUI} feature, the following toolbar items will be available\n * in {@link module:ui/componentfactory~ComponentFactory}:\n *\n * * `'tableRow'`,\n * * `'tableColumn'`,\n * * `'mergeTableCells'`.\n *\n * You can thus configure the toolbar like this:\n *\n *\t\tconst tableConfig = {\n *\t\t\tcontentToolbar: [ 'tableRow', 'tableColumn', 'mergeTableCells' ]\n *\t\t};\n *\n * Of course, the same buttons can also be used in the\n * {@link module:core/editor/editorconfig~EditorConfig#toolbar main editor toolbar}.\n *\n * Read more about configuring the toolbar in {@link module:core/editor/editorconfig~EditorConfig#toolbar}.\n *\n * @member {Array.<String>} module:table/table~TableConfig#contentToolbar\n */\n\n/**\n * Items to be placed in the table toolbar.\n * The {@link module:table/tabletoolbar~TableToolbar} plugin is required to make this toolbar work.\n *\n * You can thus configure the toolbar like this:\n *\n *\t\tconst tableConfig = {\n *\t\t\ttableToolbar: [ 'blockQuote' ]\n *\t\t};\n *\n * Of course, the same buttons can also be used in the\n * {@link module:core/editor/editorconfig~EditorConfig#toolbar main editor toolbar}.\n *\n * Read more about configuring the toolbar in {@link module:core/editor/editorconfig~EditorConfig#toolbar}.\n *\n * @member {Array.<String>} module:table/table~TableConfig#tableToolbar\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tableproperties\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport TablePropertiesEditing from './tableproperties/tablepropertiesediting';\nimport TablePropertiesUI from './tableproperties/tablepropertiesui';\n\n/**\n * The table properties feature. Enables support for setting properties of tables (size, border, background, etc.).\n *\n * Read more in the {@glink features/table#table-and-cell-styling-tools Table and cell styling tools} section.\n * See also the {@link module:table/tablecellproperties~TableCellProperties} plugin.\n *\n * This is a \"glue\" plugin that loads the\n * {@link module:table/tableproperties/tablepropertiesediting~TablePropertiesEditing table properties editing feature} and\n * the {@link module:table/tableproperties/tablepropertiesui~TablePropertiesUI table properties UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableProperties extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableProperties';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TablePropertiesEditing, TablePropertiesUI ];\n\t}\n}\n\n/**\n * The configuration of the table properties user interface (balloon). It allows to define:\n *\n * * The color palette for the table border color style field (`tableProperties.borderColors`),\n * * The color palette for the table background style field (`tableProperties.backgroundColors`).\n *\n *\t\tconst tableConfig = {\n *\t\t\ttableProperties: {\n *\t\t\t\tborderColors: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\t\t\tlabel: 'Light grey'\n *\t\t\t\t\t},\n *\t\t\t\t\t// ...\n *\t\t\t\t],\n *\t\t\t\tbackgroundColors: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n *\t\t\t\t\t\tlabel: 'Green'\n *\t\t\t\t\t},\n *\t\t\t\t\t// ...\n *\t\t\t\t]\n *\t\t\t}\n *\t\t};\n *\n * * The default styles for tables (`tableProperties.defaultProperties`):\n *\n *\t\tconst tableConfig = {\n *\t\t\ttableProperties: {\n *\t\t\t\tdefaultProperties: {\n *\t\t\t\t\tborderStyle: 'dashed',\n *\t\t\t\t\tborderColor: 'hsl(0, 0%, 90%)',\n *\t\t\t\t\tborderWidth: '3px',\n *\t\t\t\t\talignment: 'left'\n *\t\t\t\t}\n *\t\t\t}\n *\t\t}\n *\n * \t {@link module:table/tableproperties~TablePropertiesOptions Read more about the supported properties.}\n *\n * **Note**: The `borderColors` and `backgroundColors` options do not impact the data loaded into the editor,\n * i.e. they do not limit or filter the colors in the data. They are used only in the user interface\n * allowing users to pick colors in a more convenient way. The `defaultProperties` option does impact the data.\n * Default values will not be kept in the editor model.\n *\n * The default color palettes for the table background and the table border are the same\n * ({@link module:table/utils/ui/table-properties~defaultColors check out their content}).\n *\n * Both color palette configurations must follow the\n * {@link module:table/table~TableColorConfig table color configuration format}.\n *\n * Read more about configuring the table feature in {@link module:table/table~TableConfig}.\n *\n * @member {Object} module:table/table~TableConfig#tableProperties\n */\n\n/**\n * The configuration of the table default properties feature.\n *\n * @typedef {Object} module:table/tableproperties~TablePropertiesOptions\n *\n * @property {String} width The default `width` of the table.\n *\n * @property {String} height The default `height` of the table.\n *\n * @property {String} backgroundColor The default `background-color` of the table.\n *\n * @property {String} borderColor The default `border-color` of the table.\n *\n * @property {String} borderWidth The default `border-width` of the table.\n *\n * @property {String} [borderStyle='none'] The default `border-style` of the table.\n *\n * @property {String} [alignment='center'] The default `alignment` of the table.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module table/tablecellproperties\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport TableCellPropertiesUI from './tablecellproperties/tablecellpropertiesui';\nimport TableCellPropertiesEditing from './tablecellproperties/tablecellpropertiesediting';\n\n/**\n * The table cell properties feature. Enables support for setting properties of table cells (size, border, background, etc.).\n *\n * Read more in the {@glink features/table#table-and-cell-styling-tools Table and cell styling tools} section.\n * See also the {@link module:table/tableproperties~TableProperties} plugin.\n *\n * This is a \"glue\" plugin that loads the\n * {@link module:table/tablecellproperties/tablecellpropertiesediting~TableCellPropertiesEditing table cell properties editing feature} and\n * the {@link module:table/tablecellproperties/tablecellpropertiesui~TableCellPropertiesUI table cell properties UI feature}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class TableCellProperties extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'TableCellProperties';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ TableCellPropertiesEditing, TableCellPropertiesUI ];\n\t}\n}\n\n/**\n * The configuration of the table cell properties user interface (balloon). It allows to define:\n *\n * * The color palette for the cell border color style field (`tableCellProperties.borderColors`),\n * * The color palette for the cell background style field (`tableCellProperties.backgroundColors`).\n *\n *\t\tconst tableConfig = {\n *\t\t\ttableCellProperties: {\n *\t\t\t\tborderColors: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\t\t\tlabel: 'Light grey'\n *\t\t\t\t\t},\n *\t\t\t\t\t// ...\n *\t\t\t\t],\n *\t\t\t\tbackgroundColors: [\n *\t\t\t\t\t{\n *\t\t\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n *\t\t\t\t\t\tlabel: 'Green'\n *\t\t\t\t\t},\n *\t\t\t\t\t// ...\n *\t\t\t\t]\n *\t\t\t}\n *\t\t};\n *\n * * The default styles for table cells (`tableCellProperties.defaultProperties`):\n *\n *\t\tconst tableConfig = {\n *\t\t\ttableCellProperties: {\n *\t\t\t\tdefaultProperties: {\n *\t\t\t\t\thorizontalAlignment: 'right',\n *\t\t\t\t\tverticalAlignment: 'bottom',\n *\t\t\t\t\tpadding: '5px'\n *\t\t\t\t}\n *\t\t\t}\n *\t\t}\n *\n * \t {@link module:table/tableproperties~TablePropertiesOptions Read more about the supported properties.}\n *\n * **Note**: The `borderColors` and `backgroundColors` options do not impact the data loaded into the editor,\n * i.e. they do not limit or filter the colors in the data. They are used only in the user interface\n * allowing users to pick colors in a more convenient way. The `defaultProperties` option does impact the data.\n * Default values will not be kept in the editor model.\n *\n * The default color palettes for the cell background and the cell border are the same\n * ({@link module:table/utils/ui/table-properties~defaultColors check out their content}).\n *\n * Both color palette configurations must follow the\n * {@link module:table/table~TableColorConfig table color configuration format}.\n *\n * Read more about configuring the table feature in {@link module:table/table~TableConfig}.\n *\n * @member {Object} module:table/table~TableConfig#tableCellProperties\n */\n\n/**\n * The configuration of the table cell default properties feature.\n *\n * @typedef {Object} module:table/tablecellproperties~TableCellPropertiesOptions\n *\n * @property {String} width The default `width` of the table cell.\n *\n * @property {String} height The default `height` of the table cell.\n *\n * @property {String} padding The default `padding` of the table cell.\n *\n * @property {String} backgroundColor The default `background-color` of the table cell.\n *\n * @property {String} borderColor The default `border-color` of the table cell.\n *\n * @property {String} borderWidth The default `border-width` of the table cell.\n *\n * @property {String} [borderStyle='none'] The default `border-style` of the table cell.\n *\n * @property {String} [horizontalAlignment='center'] The default `horizontalAlignment` of the table cell.\n *\n * @property {String} [verticalAlignment='middle'] The default `verticalAlignment` of the table cell.\n */\n\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nimport { createDropdown, addToolbarToDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';\n\nimport {opMacroPlugins} from \"../op-plugins\";\n\n/**\n * Adding a drop down list of macros to the toolbar.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class OPMacroListPlugin extends Plugin {\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst disabledPluginNames = (editor.config.get('removePlugins') || []).map(p => p.pluginName);\n\t\tconst dropdownTooltip = window.I18n.t('js.editor.macro.dropdown.chose_macro');\n\n\t\t// Skip if we don't have any macros here\n\t\tif (editor.config.get('openProject.disableAllMacros') === true) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Register UI component.\n\t\teditor.ui.componentFactory.add( 'macroList', locale => {\n\t\t\tconst dropdownItems = [];\n\t\t\tfor ( const macroPlugin of opMacroPlugins ) {\n\t\t\t\tif (disabledPluginNames.indexOf(macroPlugin.pluginName) !== -1) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tconst listItem = editor.ui.componentFactory.create(macroPlugin.buttonName);\n\t\t\t\tdropdownItems.push(listItem);\n\t\t\t}\n\t\t\tconst dropdownView = createDropdown( locale );\n\n\t\t\taddToolbarToDropdown(dropdownView, dropdownItems);\n\t\t\tdropdownView.buttonView.set( {\n\t\t\t\tisOn: false,\n\t\t\t\twithText: true,\n\t\t\t\ttooltip: dropdownTooltip,\n\t\t\t\tlabel: window.I18n.t('js.editor.macro.dropdown.macros')\n\t\t\t} );\n\t\t\tdropdownView.toolbarView.isVertical = true;\n\t\t\tdropdownView.toolbarView.className = 'op-macro-list-button';\n\n\t\t\treturn dropdownView;\n\t\t} );\n\t}\n}\n","import Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\nexport default class OpCustomCssClassesPlugin extends Plugin {\n\n\tget config() {\n\t\tconst preFix = 'op-uc-';\n\t\tconst editorClasses = [`${preFix}container`, `${preFix}container_editing`];\n\t\tconst elementsWithCustomClassesMap = {\n\t\t\t'paragraph': `${preFix}p`,\n\t\t\t'heading1': `${preFix}h1`,\n\t\t\t'heading2': `${preFix}h2`,\n\t\t\t'heading3': `${preFix}h3`,\n\t\t\t'heading4': `${preFix}h4`,\n\t\t\t'heading5': `${preFix}h5`,\n\t\t\t'heading6': `${preFix}h6`,\n\t\t\t'blockQuote': `${preFix}blockquote`,\n\t\t\t'figure': `${preFix}figure`,\n\t\t\t'table': `${preFix}table`,\n\t\t\t'thead': `${preFix}table--head`,\n\t\t\t'tr': `${preFix}table--row`,\n\t\t\t'td': `${preFix}table--cell`,\n\t\t\t'th': [`${preFix}table--cell`, `${preFix}table--cell_head`],\n\t\t\t'tableCell': `${preFix}table--cell`,\n\t\t\t'tableRow': `${preFix}table--row`,\n\t\t\t'ol': `${preFix}list`,\n\t\t\t'ul': `${preFix}list`,\n\t\t\t'todo': `${preFix}list ${preFix}list_task-list`,\n\t\t\t// The list item's name in the view is 'li' while in the model is 'listItem'\n\t\t\t'listItem': `${preFix}list--item`,\n\t\t\t'li': `${preFix}list--item`,\n\t\t\t// The image's name in the view is 'img' while in the model is 'image'\n\t\t\t'imageBlock': `${preFix}image`,\n\t\t\t'img': `${preFix}image`,\n\t\t\t'codeblock': `${preFix}code-block`,\n\t\t\t'caption': `${preFix}figure--description`,\n\t\t\t'op-macro-embedded-table': [`${preFix}placeholder`, `${preFix}embedded-table`],\n\t\t\t'op-macro-wp-button': [`${preFix}placeholder`, `${preFix}wp-button`],\n\t\t\t'op-macro-child-pages': [`${preFix}placeholder`, `${preFix}child-pages`],\n\t\t\t'op-macro-toc': [`${preFix}placeholder`, `${preFix}toc`],\n\t\t\t'content': `${preFix}figure--content`\n\t\t};\n\t\tconst attributesWithCustomClassesMap = {\n\t\t\t'code': `${preFix}code`,\n\t\t\t'linkHref': `${preFix}link`,\n\t\t\t'alignment': `${preFix}figure_align-`,\n\t\t\t'tableAlignment': `${preFix}figure_align-`,\n\t\t\t'todo': `${preFix}list_task-list`,\n\t\t\t'numbered': `${preFix}list`,\n\t\t\t'bulleted': `${preFix}list`,\n\t\t\t'listType': null,\n\t\t\t'headingColumns': null,\n\t\t\t'width': null,\n\t\t\t'uploadStatus': null\n\t\t};\n\t\tconst alignmentValuesMap = {\n\t\t\t'left': 'start',\n\t\t\t'right': 'end',\n\t\t\t'center': 'center',\n\t\t\t'default': 'center',\n\t\t};\n\n\t\treturn {\n\t\t\tpreFix,\n\t\t\teditorClasses,\n\t\t\telementsWithCustomClassesMap,\n\t\t\tattributesWithCustomClassesMap,\n\t\t\talignmentValuesMap,\n\t\t}\n\t}\n\n\tinit() {\n\t\tthis._addCustomCSSClassesToTheEditorContainer(this.editor);\n\t\tthis._addCustomCSSClassesToElements(this.config);\n\t\tthis._addCustomCSSClassesToAttributes(this.config);\n\t}\n\n\t_addCustomCSSClassesToTheEditorContainer(editor) {\n\t\teditor.sourceElement.classList.add(...this.config.editorClasses);\n\t}\n\n\t_addCustomCSSClassesToElements(config) {\n\t\tthis.editor.model.schema.extend('table', {allowAttributes: [ 'figureClasses' ]});\n\n\t\tthis.editor\n\t\t\t\t.conversion\n\t\t\t\t.for('upcast')\n\t\t\t\t.add(dispatcher => dispatcher.on(`element:table`, this._manageTableUpcast(config)), {priority: 'high'});\n\n\t\tthis.editor\n\t\t\t\t.conversion\n\t\t\t\t.for('downcast')\n\t\t\t\t.add(dispatcher => dispatcher.on(`insert`, this._manageElementsInsertion(config), {priority: 'low'}));\n\t}\n\n\t_addCustomCSSClassesToAttributes(config) {\n\t\tthis.editor\n\t\t\t\t.conversion\n\t\t\t\t.for('downcast')\n\t\t\t\t.add(dispatcher => dispatcher.on('attribute', this._manageAttributesInsertion(config), {priority: 'low'}));\n\t}\n\n\t_manageTableUpcast(config) {\n\t\treturn (evt, data, conversionApi) => {\n\t\t\tconst writer = conversionApi.writer;\n\t\t\tconst viewItem = data.viewItem;\n\t\t\tconst modelRange = data.modelRange;\n\t\t\tconst modelElement = modelRange && modelRange.start.nodeAfter;\n\n\t\t\tif (!modelElement) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Get the parent figure element's classes and save them as the 'figureClasses' attribute of\n\t\t\t// this table model element. In the downcast we'll take this classes to place them again\n\t\t\t// in the figure that wraps the table. This is because the figure element doesn't exist in\n\t\t\t// the model but CkEditor wraps every table and image with a <figure>.\n\t\t\tlet figureClasses = modelElement.getAttribute('figureClasses') || [];\n\t\t\tlet parentFigureRawClasses = viewItem.parent.getClassNames && viewItem.parent.getClassNames();\n\t\t\tconst parentFigureClasses = parentFigureRawClasses ? [...parentFigureRawClasses].filter(figureClass => !!figureClass) : [];\n\n\t\t\tfigureClasses = [...figureClasses, ...parentFigureClasses];\n\n\t\t\tconst alignmentClass = parentFigureClasses.filter(figureClass => figureClass.startsWith(config.attributesWithCustomClassesMap.alignment))[0];\n\t\t\tconst alignmentAlias = alignmentClass && alignmentClass.replace(config.attributesWithCustomClassesMap.alignment, '') || config.alignmentValuesMap.default;\n\t\t\tconst alignmentToApply = Object.keys(config.alignmentValuesMap).find(alignmentKey => config.alignmentValuesMap[alignmentKey] === alignmentAlias);\n\n\t\t\tif (!alignmentClass) {\n\t\t\t\tconst defaultAlignClass = `${config.attributesWithCustomClassesMap.alignment}${alignmentAlias}`;\n\t\t\t\tfigureClasses = [...figureClasses, defaultAlignClass];\n\t\t\t}\n\n\t\t\twriter.setAttribute('figureClasses', figureClasses, modelElement);\n\n\t\t\tif (alignmentToApply === 'center') {\n\t\t\t\twriter.setAttribute('alignment', null, modelElement);\n\t\t\t} else {\n\t\t\t\twriter.setAttribute('alignment', alignmentToApply, modelElement);\n\t\t\t}\n\t\t}\n\t}\n\n\t_manageElementsInsertion(config) {\n\t\treturn (evt, data, conversionApi) => {\n\t\t\tconst elementsWithCustomClasses = Object.keys(config.elementsWithCustomClassesMap);\n\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\tconst elementName = data.item.name;\n\t\t\tconst modelElement = data.item;\n\t\t\tconst viewElement = conversionApi.mapper.toViewElement(modelElement);\n\t\t\tlet viewElements = [viewElement];\n\t\t\t// Images and tables are nested in a figure element, listItems are nested inside ul or ol\n\t\t\t// elements (only in the view, in the model are single elements).\n\t\t\tconst nestedElements = ['imageBlock', 'table', 'tableCell', 'tableRow', 'listItem'];\n\t\t\tconst isNestedElement = nestedElements.includes(elementName);\n\n\t\t\tif (!elementsWithCustomClasses.includes(elementName) || !viewElement) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif (isNestedElement) {\n\t\t\t\tif (elementName === 'listItem') {\n\t\t\t\t\tviewElements = this._manageListItems(viewWriter, modelElement, viewElement, viewElements, config);\n\t\t\t\t} else {\n\t\t\t\t\tconst figureViewElement = viewElement;\n\t\t\t\t\tconst viewChildren = Array.from(viewWriter.createRangeIn(viewElement).getItems());\n\n\t\t\t\t\tif (elementName === 'imageBlock') {\n\t\t\t\t\t\tconst image = viewChildren.find(item => item.is('element', 'img'));\n\n\t\t\t\t\t\tthis._wrapInFigureContentContainer(image, figureViewElement, config, viewWriter);\n\n\t\t\t\t\t\tviewElements = [...viewElements, image];\n\t\t\t\t\t} else if (elementName === 'table' || elementName === 'tableRow') {\n\t\t\t\t\t\tconst childrenToAdd = viewChildren.filter(viewChild => elementsWithCustomClasses.includes(viewChild.name));\n\n\t\t\t\t\t\tviewElements = [...viewElements, ...childrenToAdd];\n\n\t\t\t\t\t\tif (elementName === 'table') {\n\t\t\t\t\t\t\tconst tableAlignment = modelElement.getAttribute('tableAlignment');\n\n\t\t\t\t\t\t\tif (!tableAlignment) {\n\t\t\t\t\t\t\t\tconst defaultAlignClass = `${config.attributesWithCustomClassesMap.alignment}${config.alignmentValuesMap.default}`;\n\n\t\t\t\t\t\t\t\tviewWriter.addClass(defaultAlignClass, figureViewElement);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tviewElements.forEach(viewElement => {\n\t\t\t\tconst elementKey = isNestedElement ? viewElement.name : elementName;\n\t\t\t\tconst elementClasses = config.elementsWithCustomClassesMap[elementKey];\n\n\t\t\t\tviewWriter.addClass(elementClasses, viewElement);\n\t\t\t});\n\t\t}\n\t}\n\n\t_manageAttributesInsertion(config) {\n\t\treturn (evt, data, conversionApi) => {\n\t\t\tconst attributesWithCustomClasses = Object.keys(config.attributesWithCustomClassesMap);\n\t\t\tconst attributeName = data.attributeKey;\n\t\t\tconst viewWriter = conversionApi.writer;\n\t\t\tconst modelElement = data.item;\n\t\t\tconst viewElement = conversionApi.mapper.toViewElement(modelElement);\n\n\t\t\tif (!attributesWithCustomClasses.includes(attributeName)) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif (attributeName === 'linkHref' || attributeName === 'code') {\n\t\t\t\tconst attributeTag = attributeName === 'linkHref' ? 'a' : attributeName;\n\t\t\t\tconst attributePriority = attributeName === 'linkHref' ? 5 : 10;\n\t\t\t\tconst viewSelection = viewWriter.document.selection;\n\t\t\t\tconst viewElement = viewWriter.createAttributeElement(\n\t\t\t\t\tattributeTag,\n\t\t\t\t\t{class: config.attributesWithCustomClassesMap[attributeName]},\n\t\t\t\t\t{priority: attributePriority}\n\t\t\t\t);\n\n\t\t\t\tif (modelElement.is('selection')) {\n\t\t\t\t\tviewWriter.wrap(viewSelection.getFirstRange(), viewElement);\n\t\t\t\t} else {\n\t\t\t\t\tviewWriter.wrap(conversionApi.mapper.toViewRange(data.range), viewElement);\n\t\t\t\t}\n\t\t\t} else if (attributeName === 'tableAlignment') {\n\t\t\t\tconst figureViewElement = viewElement;\n\t\t\t\t// When the selected align is 'center', data.attributeNewValue is null\n\t\t\t\tconst alignmentToApply = config.alignmentValuesMap[data.attributeNewValue || config.alignmentValuesMap.default];\n\t\t\t\tconst alignmentClasses = Object\n\t\t\t\t\t.values(config.alignmentValuesMap)\n\t\t\t\t\t.map(alignmentValue => `${config.attributesWithCustomClassesMap[attributeName]}${alignmentValue}`);\n\n\t\t\t\talignmentClasses\n\t\t\t\t\t.filter(alignmentClass => figureViewElement.hasClass(alignmentClass))\n\t\t\t\t\t.forEach(alignmentClass => viewWriter.removeClass(alignmentClass, figureViewElement));\n\n\t\t\t\t// Remove inline alignment styles and classes, they will be handled by\n\t\t\t\t// custom classes (ie: op-uc-figure_align-center)\n\t\t\t\tif (figureViewElement.hasStyle('float')) {\n\t\t\t\t\tviewWriter.removeStyle('float', figureViewElement);\n\t\t\t\t}\n\n\t\t\t\tviewWriter.addClass(`${config.attributesWithCustomClassesMap[attributeName]}${alignmentToApply}`, figureViewElement);\n\t\t\t} else if (attributeName === 'listType') {\n\t\t\t\tconst viewElements = this._manageListItems(viewWriter, modelElement, viewElement, [viewElement], config);\n\n\t\t\t\tviewElements.forEach(viewElement => {\n\t\t\t\t\tconst elementKey = viewElement.name;\n\t\t\t\t\tconst elementClasses = config.elementsWithCustomClassesMap[elementKey];\n\n\t\t\t\t\tviewWriter.addClass(elementClasses, viewElement);\n\t\t\t\t});\n\t\t\t} else if (attributeName === 'headingColumns') {\n\t\t\t\tconst addHeadingColumns = data.attributeNewValue;\n\t\t\t\tconst viewChildren = Array.from(viewWriter.createRangeIn(viewElement).getItems());\n\t\t\t\tconst viewElements = viewChildren.filter(viewChild => Object.keys(config.elementsWithCustomClassesMap).includes(viewChild.name));\n\n\t\t\t\tif (addHeadingColumns) {\n\t\t\t\t\tviewElements.forEach(viewElement => {\n\t\t\t\t\t\tconst elementKey = viewElement.name;\n\t\t\t\t\t\tconst elementClasses = config.elementsWithCustomClassesMap[elementKey];\n\n\t\t\t\t\t\tviewWriter.addClass(elementClasses, viewElement);\n\t\t\t\t\t});\n\t\t\t\t} else {\n\t\t\t\t\tviewElements\n\t\t\t\t\t\t.filter(viewElement => viewElement.hasClass(config.elementsWithCustomClassesMap.th[1]))\n\t\t\t\t\t\t.forEach(viewElement => {\n\t\t\t\t\t\t\tconst nextSibling = viewElement.nextSibling;\n\n\t\t\t\t\t\t\tif (nextSibling && nextSibling.name !== 'th') {\n\t\t\t\t\t\t\t\tviewWriter.removeClass(config.elementsWithCustomClassesMap.th[1], viewElement);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t});\n\t\t\t\t}\n\t\t\t} else if (attributeName === 'width') {\n\t\t\t\tif (viewElement.hasClass('image_resized')) {\n\t\t\t\t\tviewWriter.removeClass('image_resized', viewElement);\n\t\t\t\t}\n\t\t\t} else if (attributeName === 'uploadStatus') {\n\t\t\t\tif (data.attributeNewValue === 'complete') {\n\t\t\t\t\tconst viewChildren = Array.from(viewWriter.createRangeIn(viewElement).getItems());\n\t\t\t\t\tlet placeholderElement = viewChildren.find(viewChild => viewChild.hasClass('ck-upload-placeholder-loader'));\n\n\t\t\t\t\tif (placeholderElement) {\n\t\t\t\t\t\tviewWriter.remove(viewWriter.createRangeOn(placeholderElement));\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t_manageListItems(viewWriter, modelElement, viewElement, viewElements, config) {\n\t\tconst listElement = viewElement.parent;\n\t\tconst listType = modelElement.getAttribute('listType');\n\t\tconst listTypeClass = config.attributesWithCustomClassesMap[listType];\n\t\tconst previousElement = listElement.previousSibling;\n\t\tconst nextElement = listElement.nextSibling;\n\t\tconst previousListElement = previousElement &&\n\t\t\t\t\t\t\t\t\tpreviousElement.name === listElement.name &&\n\t\t\t\t\t\t\t\t\tpreviousElement.hasClass(listTypeClass) ?\n\t\t\t\t\t\t\t\t\t\tpreviousElement :\n\t\t\t\t\t\t\t\t\t\tnull;\n\t\tconst nextListElement = nextElement &&\n\t\t\t\t\t\t\t\tnextElement.name === listElement.name &&\n\t\t\t\t\t\t\t\tnextElement.hasClass(listTypeClass) ?\n\t\t\t\t\t\t\t\t\tnextElement :\n\t\t\t\t\t\t\t\t\tnull;\n\n\t\tif (previousListElement) {\n\t\t\tviewWriter.mergeContainers(viewWriter.createPositionAfter(previousListElement));\n\t\t}\n\n\t\tif (nextListElement) {\n\t\t\tviewWriter.mergeContainers(viewWriter.createPositionBefore(nextListElement));\n\t\t}\n\n\t\tif (listType === 'todo') {\n\t\t\tviewWriter.addClass(listTypeClass, listElement);\n\t\t} else {\n\t\t\t// Remove the op-uc-list_task-list class if present.\n\t\t\t// It could be present for example when the list type has changed\n\t\t\tconst todoListClass = config.attributesWithCustomClassesMap['todo'];\n\n\t\t\tif (listElement.hasClass(todoListClass)) {\n\t\t\t\tviewWriter.removeClass(todoListClass, listElement);\n\t\t\t}\n\t\t}\n\n\t\treturn [...viewElements, listElement];\n\t}\n\n\t_wrapInFigureContentContainer(element, parentElement, config, viewWriter) {\n\t\tconst containerElement = viewWriter.createContainerElement(\n\t\t\t'div',\n\t\t\t{class: config.elementsWithCustomClassesMap.content}\n\t\t);\n\n\t\tviewWriter.insert(viewWriter.createPositionAt(containerElement, 0), element);\n\t\tviewWriter.insert(viewWriter.createPositionAt(parentElement, 0), containerElement);\n\t}\n}\n","export function customItemRenderer( item ) {\n    const itemElement = document.createElement( 'span' );\n\n\titemElement.classList.add( 'mention-list-item' );\n\titemElement.textContent = item.name;\n\n    return itemElement;\n}\n","import { userMentions } from \"./mentions/user-mentions\";\nimport { workPackageMentions } from \"./mentions/work-package-mentions\";\nimport {customItemRenderer} from './mentions/mentions-item-renderer';\n\nexport const defaultConfig = {\n\theading: {\n\t\toptions: [\n\t\t\t{ model: 'paragraph', title: 'Paragraph', class: 'ck-heading_paragraph' },\n\t\t\t{ model: 'heading1', view: 'h1', title: 'Heading 1', class: 'ck-heading_heading1' },\n\t\t\t{ model: 'heading2', view: 'h2', title: 'Heading 2', class: 'ck-heading_heading2' },\n\t\t\t{ model: 'heading3', view: 'h3', title: 'Heading 3', class: 'ck-heading_heading3' },\n\t\t\t{ model: 'heading4', view: 'h4', title: 'Heading 4', class: 'ck-heading_heading4' },\n\t\t\t{ model: 'heading5', view: 'h5', title: 'Heading 5', class: 'ck-heading_heading5' }\n\t\t]\n\t},\n\ttoolbar: {\n\t\t// Will be defined by each build\n\t},\n\tOPMacroEmbeddedTable: {\n\t\ttoolbar: [\n\t\t\t'opEditEmbeddedTableQuery',\n\t\t]\n\t},\n\tOPMacroWpButton: {\n\t\ttoolbar: [\n\t\t\t'opEditWpMacroButton',\n\t\t]\n\t},\n\tOPWikiIncludePage: {\n\t\ttoolbar: [\n\t\t\t'opEditWikiIncludeMacroButton',\n\t\t]\n\t},\n\tOPCodeBlock: {\n\t\ttoolbar: [\n\t\t\t'opEditCodeBlock',\n\t\t]\n\t},\n\tOPChildPages: {\n\t\ttoolbar: [\n\t\t\t'opEditChildPagesMacroButton',\n\t\t]\n\t},\n\timage: {\n\t\tresizeOptions: [\n\t\t\t{\n\t\t\t\tname: 'imageResize:original',\n\t\t\t\tvalue: null,\n\t\t\t\ticon: 'original'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'imageResize:50',\n\t\t\t\tvalue: '50',\n\t\t\t\ticon: 'medium'\n\t\t\t},\n\t\t\t{\n\t\t\t\tname: 'imageResize:75',\n\t\t\t\tvalue: '75',\n\t\t\t\ticon: 'large'\n\t\t\t}\n\t\t],\n\t\ttoolbar: [\n\t\t\t'toggleImageCaption',\n\t\t\t'imageTextAlternative',\n\t\t\t'|',\n\t\t\t'imageResize:50',\n\t\t\t'imageResize:75',\n\t\t\t'imageResize:original'\n\t\t]\n\t},\n\ttable: {\n\t\tcontentToolbar: [\n\t\t\t'tableColumn', 'tableRow', 'mergeTableCells',\n\t\t\t'tableProperties', 'tableCellProperties'\n\t\t]\n\t},\n\n\tmention: {\n\t\tfeeds: [\n\t\t\t{\n\t\t\t\tmarker: '@',\n\t\t\t\tfeed: userMentions,\n\t\t\t\titemRenderer: customItemRenderer,\n\t\t\t\tminimumCharacters: 0\n\t\t\t},\n\t\t\t{\n\t\t\t\tmarker: '#',\n\t\t\t\tfeed: workPackageMentions,\n\t\t\t\titemRenderer: customItemRenderer,\n\t\t\t\tminimumCharacters: 1\n\t\t\t},\n\t\t]\n\t},\n\n\tlanguage: 'en'\n};\n","import {\n\tgetOPResource,\n\tgetOPPath,\n\tgetPluginContext,\n\tgetOPHelper,\n} from \"../plugins/op-context/op-context\";\n\nexport function userMentions(queryText) {\n\t let editor = this;\n\t let resource = getOPResource(editor);\n\n\t // Unsupported context does not allow mentioning\n\t if (!(resource && resource._type === 'WorkPackage')) {\n\t\treturn [];\n\t }\n\n\tconst project_id = getOPHelper(editor, 'idFromLink')(resource.project.href);\n\tconst url = getOPPath(editor).api.v3.principals(project_id, queryText);\n\tconst pluginContext = getPluginContext(editor);\n\tconst base = window.OpenProject.urlRoot;\n\n\treturn new Promise((resolve, reject) => {\n\t\tjQuery\n\t\t\t.getJSON(url, collection => {\n\t\t\t\tresolve(collection._embedded.elements.map(mention => {\n\t\t\t\t\tconst type = mention._type.toLowerCase();\n\t\t\t\t\tconst text = `@${mention.name}`;\n\t\t\t\t\tconst id = `@${mention.id}`;\n\t\t\t\t\tconst idNumber = mention.id;\n\t\t\t\t\tconst typeSegment = pluginContext.services.apiV3Service[`${type}s`].segment;\n\t\t\t\t\tconst link = `${base}/${typeSegment}/${idNumber}`;\n\n\t\t\t\t\treturn { type, id, text, link, idNumber, name: mention.name };\n\t\t\t\t}));\n\t\t\t});\n\t\t})\n}\n","import { getOPResource, getOPPath } from \"../plugins/op-context/op-context\";\n\nexport function workPackageMentions(query) {\n\tconst url = window.OpenProject.urlRoot + `/work_packages/auto_complete.json`;\n\tlet base = window.OpenProject.urlRoot + `/work_packages/`;\n\n\treturn new Promise((resolve, reject) => {\n\t\tjQuery\n\t\t\t.getJSON(url, {q: query, scope: 'all'}, collection => {\n\t\t\t\tresolve(collection.map(wp => {\n\t\t\t\t\tconst id = `#${wp.id}`;\n\t\t\t\t\tconst idNumber = wp.id;\n\n\t\t\t\t\treturn { id, idNumber, type: 'work_package', text: id, name: wp.to_s, link: base + wp.id };\n\t\t\t\t}));\n\t\t\t});\n\t\t})\n}\n","import {opImageUploadPlugins, opMacroPlugins} from './op-plugins';\n\nexport function configurationCustomizer(editorClass) {\n\treturn (wrapper, configuration) => {\n\t\tconst context = configuration.openProject.context;\n\n\t\t// We're going to remove some plugins from the default configuration\n\t\t// when we detect they are unsupported in the current context\n\t\tconfiguration.removePlugins = configuration.removePlugins || [];\n\n\t\t// Disable uploading if there is no resource with uploadAttachment\n\t\tconst resource = context.resource;\n\t\tif (!(resource && resource.canAddAttachments)) {\n\t\t\tconfiguration.removePlugins.push(...opImageUploadPlugins.map(el => el.pluginName))\n\t\t}\n\n\t\t// Disable macros entirely\n\t\tif (context.macros === false) {\n\t\t\tconfiguration.openProject.disableAllMacros = true;\n\t\t\tconfiguration.removePlugins.push(...opMacroPlugins.map(el => el.pluginName))\n\t\t}\n\n\t\t// Enable selective macros\n\t\tif (Array.isArray(context.macros)) {\n\t\t\tconst disabledMacros = opMacroPlugins.filter(plugin => context.macros.indexOf(plugin.pluginName) === -1);\n\t\t\tconfiguration.removePlugins.push(...disabledMacros);\n\t\t}\n\n\t\t// Return the original promise for instance creation\n\t\treturn editorClass.create(wrapper, configuration).then(editor => {\n\t\t\treturn editor;\n\t\t});\n\t};\n}\n","import DecoupledEditorBase from '@ckeditor/ckeditor5-editor-decoupled/src/decouplededitor';\nimport EditorWatchdog from '@ckeditor/ckeditor5-watchdog/src/editorwatchdog';\nimport {builtinPlugins} from './op-plugins';\nimport {defaultConfig} from \"./op-ckeditor-config\";\nimport {configurationCustomizer} from './op-config-customizer';\n\nexport class ConstrainedEditor extends DecoupledEditorBase {}\nexport class FullEditor extends DecoupledEditorBase {}\n\n// Export the two common interfaces\nwindow.OPConstrainedEditor = ConstrainedEditor;\nwindow.OPClassicEditor = FullEditor;\n\n// Export the Watchdog feature\nwindow.OPEditorWatchdog = EditorWatchdog;\n\nFullEditor.createCustomized = configurationCustomizer(FullEditor);\nFullEditor.builtinPlugins = builtinPlugins;\nFullEditor.defaultConfig = Object.assign({}, defaultConfig);\nFullEditor.defaultConfig.toolbar = {\n\t\titems: [\n\t\t\t'heading',\n\t\t\t'|',\n\t\t\t'bold',\n\t\t\t'italic',\n\t\t\t'strikethrough',\n\t\t\t'code',\n\t\t\t'insertCodeBlock',\n\t\t\t'link',\n\t\t\t'bulletedList',\n\t\t\t'numberedList',\n\t\t\t'todoList',\n\t\t\t'imageUpload',\n\t\t\t'blockQuote',\n\t\t\t'|',\n\t\t\t'insertTable',\n\t\t\t'macroList',\n\t\t\t'|',\n\t\t\t'undo',\n\t\t\t'redo',\n\t\t\t'openProjectShowFormattingHelp',\n\t\t\t'|',\n\t\t\t'preview',\n\t\t\t'opShowSource'\n\t\t]\n};\n\nConstrainedEditor.createCustomized = configurationCustomizer(ConstrainedEditor);\nConstrainedEditor.builtinPlugins = builtinPlugins;\nConstrainedEditor.defaultConfig = Object.assign({}, defaultConfig);\nConstrainedEditor.defaultConfig.toolbar = {\n\titems: [\n\t\t'bold',\n\t\t'italic',\n\t\t'strikethrough',\n\t\t'code',\n\t\t'insertCodeBlock',\n\t\t'link',\n\t\t'bulletedList',\n\t\t'numberedList',\n\t\t'todoList',\n\t\t'imageUpload',\n\t\t'blockQuote',\n\t\t'|',\n\t\t'openProjectShowFormattingHelp',\n\t\t'preview',\n\t\t'opShowSource'\n\t]\n};\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module watchdog/editorwatchdog\n */\n\n/* globals console */\n\nimport { throttle, cloneDeepWith, isElement } from 'lodash-es';\nimport areConnectedThroughProperties from './utils/areconnectedthroughproperties';\nimport Watchdog from './watchdog';\n\n/**\n * A watchdog for CKEditor 5 editors.\n *\n * See the {@glink features/watchdog Watchdog feature guide} to learn the rationale behind it and\n * how to use it.\n *\n * @extends {module:watchdog/watchdog~Watchdog}\n */\nexport default class EditorWatchdog extends Watchdog {\n\t/**\n\t * @param {*} Editor The editor class.\n\t * @param {module:watchdog/watchdog~WatchdogConfig} [watchdogConfig] The watchdog plugin configuration.\n\t */\n\tconstructor( Editor, watchdogConfig = {} ) {\n\t\tsuper( watchdogConfig );\n\n\t\t/**\n\t\t * The current editor instance.\n\t\t *\n\t\t * @private\n\t\t * @type {module:core/editor/editor~Editor}\n\t\t */\n\t\tthis._editor = null;\n\n\t\t/**\n\t\t * Throttled save method. The `save()` method is called the specified `saveInterval` after `throttledSave()` is called,\n\t\t * unless a new action happens in the meantime.\n\t\t *\n\t\t * @private\n\t\t * @type {Function}\n\t\t */\n\t\tthis._throttledSave = throttle(\n\t\t\tthis._save.bind( this ),\n\t\t\ttypeof watchdogConfig.saveInterval === 'number' ? watchdogConfig.saveInterval : 5000\n\t\t);\n\n\t\t/**\n\t\t * The latest saved editor data represented as a root name -> root data object.\n\t\t *\n\t\t * @private\n\t\t * @member {Object.<String,String>} #_data\n\t\t */\n\n\t\t/**\n\t\t * The last document version.\n\t\t *\n\t\t * @private\n\t\t * @member {Number} #_lastDocumentVersion\n\t\t */\n\n\t\t/**\n\t\t * The editor source element or data.\n\t\t *\n\t\t * @private\n\t\t * @member {HTMLElement|String|Object.<String|String>} #_elementOrData\n\t\t */\n\n\t\t/**\n\t\t * The editor configuration.\n\t\t *\n\t\t * @private\n\t\t * @member {Object|undefined} #_config\n\t\t */\n\n\t\t// Set default creator and destructor functions:\n\t\tthis._creator = ( ( elementOrData, config ) => Editor.create( elementOrData, config ) );\n\t\tthis._destructor = editor => editor.destroy();\n\t}\n\n\t/**\n\t * The current editor instance.\n\t *\n\t * @readonly\n\t * @type {module:core/editor/editor~Editor}\n\t */\n\tget editor() {\n\t\treturn this._editor;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tget _item() {\n\t\treturn this._editor;\n\t}\n\n\t/**\n\t * Sets the function that is responsible for the editor creation.\n\t * It expects a function that should return a promise.\n\t *\n\t *\t\twatchdog.setCreator( ( element, config ) => ClassicEditor.create( element, config ) );\n\t *\n\t * @method #setCreator\n\t * @param {Function} creator\n\t */\n\n\t/**\n\t * Sets the function that is responsible for the editor destruction.\n\t * Overrides the default destruction function, which destroys only the editor instance.\n\t * It expects a function that should return a promise or `undefined`.\n\t *\n\t *\t\twatchdog.setDestructor( editor => {\n\t *\t\t\t// Do something before the editor is destroyed.\n\t *\n\t *\t\t\treturn editor\n\t *\t\t\t\t.destroy()\n\t *\t\t\t\t.then( () => {\n\t *\t\t\t\t\t// Do something after the editor is destroyed.\n\t *\t\t\t\t} );\n\t *\t\t} );\n\t *\n\t * @method #setDestructor\n\t * @param {Function} destructor\n\t */\n\n\t/**\n\t * Restarts the editor instance. This method is called whenever an editor error occurs. It fires the `restart` event and changes\n\t * the state to `initializing`.\n\t *\n\t * @protected\n\t * @fires restart\n\t * @returns {Promise}\n\t */\n\t_restart() {\n\t\treturn Promise.resolve()\n\t\t\t.then( () => {\n\t\t\t\tthis.state = 'initializing';\n\t\t\t\tthis._fire( 'stateChange' );\n\n\t\t\t\treturn this._destroy();\n\t\t\t} )\n\t\t\t.catch( err => {\n\t\t\t\tconsole.error( 'An error happened during the editor destroying.', err );\n\t\t\t} )\n\t\t\t.then( () => {\n\t\t\t\tif ( typeof this._elementOrData === 'string' ) {\n\t\t\t\t\treturn this.create( this._data, this._config, this._config.context );\n\t\t\t\t} else {\n\t\t\t\t\tconst updatedConfig = Object.assign( {}, this._config, {\n\t\t\t\t\t\tinitialData: this._data\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn this.create( this._elementOrData, updatedConfig, updatedConfig.context );\n\t\t\t\t}\n\t\t\t} )\n\t\t\t.then( () => {\n\t\t\t\tthis._fire( 'restart' );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Creates the editor instance and keeps it running, using the defined creator and destructor.\n\t *\n\t * @param {HTMLElement|String|Object.<String|String>} [elementOrData] The editor source element or the editor data.\n\t * @param {module:core/editor/editorconfig~EditorConfig} [config] The editor configuration.\n\t * @param {Object} [context] A context for the editor.\n\t *\n\t * @returns {Promise}\n\t */\n\tcreate( elementOrData = this._elementOrData, config = this._config, context ) {\n\t\treturn Promise.resolve()\n\t\t\t.then( () => {\n\t\t\t\tsuper._startErrorHandling();\n\n\t\t\t\tthis._elementOrData = elementOrData;\n\n\t\t\t\t// Clone configuration because it might be shared within multiple watchdog instances. Otherwise,\n\t\t\t\t// when an error occurs in one of these editors, the watchdog will restart all of them.\n\t\t\t\tthis._config = this._cloneEditorConfiguration( config ) || {};\n\n\t\t\t\tthis._config.context = context;\n\n\t\t\t\treturn this._creator( elementOrData, this._config );\n\t\t\t} )\n\t\t\t.then( editor => {\n\t\t\t\tthis._editor = editor;\n\n\t\t\t\teditor.model.document.on( 'change:data', this._throttledSave );\n\n\t\t\t\tthis._lastDocumentVersion = editor.model.document.version;\n\t\t\t\tthis._data = this._getData();\n\n\t\t\t\tthis.state = 'ready';\n\t\t\t\tthis._fire( 'stateChange' );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Destroys the watchdog and the current editor instance. It fires the callback\n\t * registered in {@link #setDestructor `setDestructor()`} and uses it to destroy the editor instance.\n\t * It also sets the state to `destroyed`.\n\t *\n\t * @returns {Promise}\n\t */\n\tdestroy() {\n\t\treturn Promise.resolve()\n\t\t\t.then( () => {\n\t\t\t\tthis.state = 'destroyed';\n\t\t\t\tthis._fire( 'stateChange' );\n\n\t\t\t\tsuper.destroy();\n\n\t\t\t\treturn this._destroy();\n\t\t\t} );\n\t}\n\n\t/**\n\t * @private\n\t * @returns {Promise}\n\t */\n\t_destroy() {\n\t\treturn Promise.resolve()\n\t\t\t.then( () => {\n\t\t\t\tthis._stopErrorHandling();\n\n\t\t\t\t// Save data if there is a remaining editor data change.\n\t\t\t\tthis._throttledSave.flush();\n\n\t\t\t\tconst editor = this._editor;\n\n\t\t\t\tthis._editor = null;\n\n\t\t\t\t// Remove the `change:data` listener before destroying the editor.\n\t\t\t\t// Incorrectly written plugins may trigger firing `change:data` events during the editor destruction phase\n\t\t\t\t// causing the watchdog to call `editor.getData()` when some parts of editor are already destroyed.\n\t\t\t\teditor.model.document.off( 'change:data', this._throttledSave );\n\n\t\t\t\treturn this._destructor( editor );\n\t\t\t} );\n\t}\n\n\t/**\n\t * Saves the editor data, so it can be restored after the crash even if the data cannot be fetched at\n\t * the moment of the crash.\n\t *\n\t * @private\n\t */\n\t_save() {\n\t\tconst version = this._editor.model.document.version;\n\n\t\t// Operation may not result in a model change, so the document's version can be the same.\n\t\tif ( version === this._lastDocumentVersion ) {\n\t\t\treturn;\n\t\t}\n\n\t\ttry {\n\t\t\tthis._data = this._getData();\n\t\t\tthis._lastDocumentVersion = version;\n\t\t} catch ( err ) {\n\t\t\tconsole.error(\n\t\t\t\terr,\n\t\t\t\t'An error happened during restoring editor data. ' +\n\t\t\t\t'Editor will be restored from the previously saved data.'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * @protected\n\t * @param {Set} props\n\t */\n\t_setExcludedProperties( props ) {\n\t\tthis._excludedProps = props;\n\t}\n\n\t/**\n\t * Returns the editor data.\n\t *\n\t * @private\n\t * @returns {Object<String,String>}\n\t */\n\t_getData() {\n\t\tconst data = {};\n\n\t\tfor ( const rootName of this._editor.model.document.getRootNames() ) {\n\t\t\tdata[ rootName ] = this._editor.data.get( { rootName } );\n\t\t}\n\n\t\treturn data;\n\t}\n\n\t/**\n\t * Traverses the error context and the current editor to find out whether these structures are connected\n\t * to each other via properties.\n\t *\n\t * @protected\n\t * @param {module:utils/ckeditorerror~CKEditorError} error\n\t */\n\t_isErrorComingFromThisItem( error ) {\n\t\treturn areConnectedThroughProperties( this._editor, error.context, this._excludedProps );\n\t}\n\n\t/**\n\t * Clones the editor configuration.\n\t *\n\t * @private\n\t * @param {Object} config\n\t */\n\t_cloneEditorConfiguration( config ) {\n\t\treturn cloneDeepWith( config, ( value, key ) => {\n\t\t\t// Leave DOM references.\n\t\t\tif ( isElement( value ) ) {\n\t\t\t\treturn value;\n\t\t\t}\n\n\t\t\tif ( key === 'context' ) {\n\t\t\t\treturn value;\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * Fired after the watchdog restarts the error in case of a crash.\n\t *\n\t * @event restart\n\t */\n}\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module watchdog/watchdog\n */\n\n/* globals window */\n\n/**\n * An abstract watchdog class that handles most of the error handling process and the state of the underlying component.\n *\n * See the {@glink features/watchdog Watchdog feature guide} to learn the rationale behind it and how to use it.\n *\n * @private\n * @abstract\n */\nexport default class Watchdog {\n\t/**\n\t * @param {module:watchdog/watchdog~WatchdogConfig} config The watchdog plugin configuration.\n\t */\n\tconstructor( config ) {\n\t\t/**\n\t\t * An array of crashes saved as an object with the following properties:\n\t\t *\n\t\t * * `message`: `String`,\n\t\t * * `stack`: `String`,\n\t\t * * `date`: `Number`,\n\t\t * * `filename`: `String | undefined`,\n\t\t * * `lineno`: `Number | undefined`,\n\t\t * * `colno`: `Number | undefined`,\n\t\t *\n\t\t * @public\n\t\t * @readonly\n\t\t * @type {Array.<Object>}\n\t\t */\n\t\tthis.crashes = [];\n\n\t\t/**\n\t\t * Specifies the state of the item watched by the watchdog. The state can be one of the following values:\n\t\t *\n\t\t * * `initializing` &ndash; Before the first initialization, and after crashes, before the item is ready.\n\t\t * * `ready` &ndash; A state when the user can interact with the item.\n\t\t * * `crashed` &ndash; A state when an error occurs. It quickly changes to `initializing` or `crashedPermanently`\n\t\t * depending on how many and how frequent errors have been caught recently.\n\t\t * * `crashedPermanently` &ndash; A state when the watchdog stops reacting to errors and keeps the item it is watching crashed,\n\t\t * * `destroyed` &ndash; A state when the item is manually destroyed by the user after calling `watchdog.destroy()`.\n\t\t *\n\t\t * @public\n\t\t * @type {'initializing'|'ready'|'crashed'|'crashedPermanently'|'destroyed'}\n\t\t */\n\t\tthis.state = 'initializing';\n\n\t\t/**\n\t\t * @protected\n\t\t * @type {Number}\n\t\t * @see module:watchdog/watchdog~WatchdogConfig\n\t\t */\n\t\tthis._crashNumberLimit = typeof config.crashNumberLimit === 'number' ? config.crashNumberLimit : 3;\n\n\t\t/**\n\t\t * Returns the result of the `Date.now()` call. It can be overridden in tests to mock time as some popular\n\t\t * approaches like `sinon.useFakeTimers()` do not work well with error handling.\n\t\t *\n\t\t * @protected\n\t\t */\n\t\tthis._now = Date.now;\n\n\t\t/**\n\t\t * @protected\n\t\t * @type {Number}\n\t\t * @see module:watchdog/watchdog~WatchdogConfig\n\t\t */\n\t\tthis._minimumNonErrorTimePeriod = typeof config.minimumNonErrorTimePeriod === 'number' ? config.minimumNonErrorTimePeriod : 5000;\n\n\t\t/**\n\t\t * Checks if the event error comes from the underlying item and restarts the item.\n\t\t *\n\t\t * @private\n\t\t * @type {Function}\n\t\t */\n\t\tthis._boundErrorHandler = evt => {\n\t\t\t// `evt.error` is exposed by EventError while `evt.reason` is available in PromiseRejectionEvent.\n\t\t\tconst error = evt.error || evt.reason;\n\n\t\t\t// Note that `evt.reason` might be everything that is in the promise rejection.\n\t\t\t// Similarly everything that is thrown lands in `evt.error`.\n\t\t\tif ( error instanceof Error ) {\n\t\t\t\tthis._handleError( error, evt );\n\t\t\t}\n\t\t};\n\n\t\t/**\n\t\t * The creation method.\n\t\t *\n\t\t * @protected\n\t\t * @member {Function} #_creator\n\t\t * @see #setCreator\n\t\t */\n\n\t\t/**\n\t\t * The destruction method.\n\t\t *\n\t\t * @protected\n\t\t * @member {Function} #_destructor\n\t\t * @see #setDestructor\n\t\t */\n\n\t\t/**\n\t\t * The watched item.\n\t\t *\n\t\t * @abstract\n\t\t * @protected\n\t\t * @member {Object|undefined} #_item\n\t\t */\n\n\t\t/**\n\t\t * The method responsible for restarting the watched item.\n\t\t *\n\t\t * @abstract\n\t\t * @protected\n\t\t * @method #_restart\n\t\t */\n\n\t\t/**\n\t\t * Traverses the error context and the watched item to find out whether the error should\n\t\t * be handled by the given item.\n\t\t *\n\t\t * @abstract\n\t\t * @protected\n\t\t * @method #_isErrorComingFromThisItem\n\t\t * @param {module:utils/ckeditorerror~CKEditorError} error\n\t\t */\n\n\t\t/**\n\t\t * A dictionary of event emitter listeners.\n\t\t *\n\t\t * @private\n\t\t * @type {Object.<String,Array.<Function>>}\n\t\t */\n\t\tthis._listeners = {};\n\n\t\tif ( !this._restart ) {\n\t\t\tthrow new Error(\n\t\t\t\t'The Watchdog class was split into the abstract `Watchdog` class and the `EditorWatchdog` class. ' +\n\t\t\t\t'Please, use `EditorWatchdog` if you have used the `Watchdog` class previously.'\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Sets the function that is responsible for creating watched items.\n\t *\n\t * @param {Function} creator A callback responsible for creating an item. Returns a promise\n\t * that is resolved when the item is created.\n\t */\n\tsetCreator( creator ) {\n\t\tthis._creator = creator;\n\t}\n\n\t/**\n\t * Sets the function that is responsible for destroying watched items.\n\t *\n\t * @param {Function} destructor A callback that takes the item and returns the promise\n\t * to the destroying process.\n\t */\n\tsetDestructor( destructor ) {\n\t\tthis._destructor = destructor;\n\t}\n\n\t/**\n\t * Destroys the watchdog and releases the resources.\n\t */\n\tdestroy() {\n\t\tthis._stopErrorHandling();\n\n\t\tthis._listeners = {};\n\t}\n\n\t/**\n\t * Starts listening to a specific event name by registering a callback that will be executed\n\t * whenever an event with a given name fires.\n\t *\n\t * Note that this method differs from the CKEditor 5's default `EventEmitterMixin` implementation.\n\t *\n\t * @param {String} eventName The event name.\n\t * @param {Function} callback A callback which will be added to event listeners.\n\t */\n\ton( eventName, callback ) {\n\t\tif ( !this._listeners[ eventName ] ) {\n\t\t\tthis._listeners[ eventName ] = [];\n\t\t}\n\n\t\tthis._listeners[ eventName ].push( callback );\n\t}\n\n\t/**\n\t * Stops listening to the specified event name by removing the callback from event listeners.\n\t *\n\t * Note that this method differs from the CKEditor 5's default `EventEmitterMixin` implementation.\n\t *\n\t * @param {String} eventName The event name.\n\t * @param {Function} callback A callback which will be removed from event listeners.\n\t */\n\toff( eventName, callback ) {\n\t\tthis._listeners[ eventName ] = this._listeners[ eventName ]\n\t\t\t.filter( cb => cb !== callback );\n\t}\n\n\t/**\n\t * Fires an event with a given event name and arguments.\n\t *\n\t * Note that this method differs from the CKEditor 5's default `EventEmitterMixin` implementation.\n\t *\n\t * @protected\n\t * @param {String} eventName The event name.\n\t * @param  {...*} args Event arguments.\n\t */\n\t_fire( eventName, ...args ) {\n\t\tconst callbacks = this._listeners[ eventName ] || [];\n\n\t\tfor ( const callback of callbacks ) {\n\t\t\tcallback.apply( this, [ null, ...args ] );\n\t\t}\n\t}\n\n\t/**\n\t * Starts error handling by attaching global error handlers.\n\t *\n\t * @protected\n\t */\n\t_startErrorHandling() {\n\t\twindow.addEventListener( 'error', this._boundErrorHandler );\n\t\twindow.addEventListener( 'unhandledrejection', this._boundErrorHandler );\n\t}\n\n\t/**\n\t * Stops error handling by detaching global error handlers.\n\t *\n\t * @protected\n\t */\n\t_stopErrorHandling() {\n\t\twindow.removeEventListener( 'error', this._boundErrorHandler );\n\t\twindow.removeEventListener( 'unhandledrejection', this._boundErrorHandler );\n\t}\n\n\t/**\n\t * Checks if an error comes from the watched item and restarts it.\n\t * It reacts to {@link module:utils/ckeditorerror~CKEditorError `CKEditorError` errors} only.\n\t *\n\t * @private\n\t * @fires error\n\t * @param {Error} error Error.\n\t * @param {ErrorEvent|PromiseRejectionEvent} evt An error event.\n\t */\n\t_handleError( error, evt ) {\n\t\t// @if CK_DEBUG // if ( error.is && error.is( 'CKEditorError' ) && error.context === undefined ) {\n\t\t// @if CK_DEBUG // console.warn( 'The error is missing its context and Watchdog cannot restart the proper item.' );\n\t\t// @if CK_DEBUG // }\n\n\t\tif ( this._shouldReactToError( error ) ) {\n\t\t\tthis.crashes.push( {\n\t\t\t\tmessage: error.message,\n\t\t\t\tstack: error.stack,\n\n\t\t\t\t// `evt.filename`, `evt.lineno` and `evt.colno` are available only in ErrorEvent events\n\t\t\t\tfilename: evt.filename,\n\t\t\t\tlineno: evt.lineno,\n\t\t\t\tcolno: evt.colno,\n\t\t\t\tdate: this._now()\n\t\t\t} );\n\n\t\t\tconst causesRestart = this._shouldRestart();\n\n\t\t\tthis.state = 'crashed';\n\t\t\tthis._fire( 'stateChange' );\n\t\t\tthis._fire( 'error', { error, causesRestart } );\n\n\t\t\tif ( causesRestart ) {\n\t\t\t\tthis._restart();\n\t\t\t} else {\n\t\t\t\tthis.state = 'crashedPermanently';\n\t\t\t\tthis._fire( 'stateChange' );\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Checks whether an error should be handled by the watchdog.\n\t *\n\t * @private\n\t * @param {Error} error An error that was caught by the error handling process.\n\t */\n\t_shouldReactToError( error ) {\n\t\treturn (\n\t\t\terror.is &&\n\t\t\terror.is( 'CKEditorError' ) &&\n\t\t\terror.context !== undefined &&\n\n\t\t\t// In some cases the watched item should not be restarted - e.g. during the item initialization.\n\t\t\t// That's why the `null` was introduced as a correct error context which does cause restarting.\n\t\t\terror.context !== null &&\n\n\t\t\t// Do not react to errors if the watchdog is in states other than `ready`.\n\t\t\tthis.state === 'ready' &&\n\n\t\t\tthis._isErrorComingFromThisItem( error )\n\t\t);\n\t}\n\n\t/**\n\t * Checks if the watchdog should restart the underlying item.\n\t *\n\t * @private\n\t */\n\t_shouldRestart() {\n\t\tif ( this.crashes.length <= this._crashNumberLimit ) {\n\t\t\treturn true;\n\t\t}\n\n\t\tconst lastErrorTime = this.crashes[ this.crashes.length - 1 ].date;\n\t\tconst firstMeaningfulErrorTime = this.crashes[ this.crashes.length - 1 - this._crashNumberLimit ].date;\n\n\t\tconst averageNonErrorTimePeriod = ( lastErrorTime - firstMeaningfulErrorTime ) / this._crashNumberLimit;\n\n\t\treturn averageNonErrorTimePeriod > this._minimumNonErrorTimePeriod;\n\t}\n\n\t/**\n\t * Fired when a new {@link module:utils/ckeditorerror~CKEditorError `CKEditorError`} error connected to the watchdog instance occurs\n\t * and the watchdog will react to it.\n\t *\n\t * \twatchdog.on( 'error', ( evt, { error, causesRestart } ) => {\n\t * \t\tconsole.log( 'An error occurred.' );\n\t * \t} );\n\t *\n\t * @event error\n\t */\n}\n\n/**\n * The watchdog plugin configuration.\n *\n * @typedef {Object} WatchdogConfig\n *\n * @property {Number} [crashNumberLimit=3] A threshold specifying the number of watched item crashes\n * when the watchdog stops restarting the item in case of errors.\n * After this limit is reached and the time between the last errors is shorter than `minimumNonErrorTimePeriod`,\n * the watchdog changes its state to `crashedPermanently` and it stops restarting the item. This prevents an infinite restart loop.\n *\n * @property {Number} [minimumNonErrorTimePeriod=5000] An average number of milliseconds between the last watched item errors\n * (defaults to 5000). When the period of time between errors is lower than that and the `crashNumberLimit` is also reached,\n * the watchdog changes its state to `crashedPermanently` and it stops restarting the item. This prevents an infinite restart loop.\n *\n * @property {Number} [saveInterval=5000] A minimum number of milliseconds between saving the editor data internally (defaults to 5000).\n * Note that for large documents this might impact the editor performance.\n */\n","/**\n * @license Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module watchdog/utils/areconnectedthroughproperties\n */\n\n/* globals console */\n\nimport getSubNodes from './getsubnodes';\n\n/**\n * Traverses both structures to find out whether there is a reference that is shared between both structures.\n *\n * @param {Object|Array} target1\n * @param {Object|Array} target2\n * @returns {Boolean}\n */\nexport default function areConnectedThroughProperties( target1, target2, excludedNodes = new Set() ) {\n\tif ( target1 === target2 && isObject( target1 ) ) {\n\t\treturn true;\n\t}\n\n\t// @if CK_DEBUG_WATCHDOG // return checkConnectionBetweenProps( target1, target2, excludedNodes );\n\n\tconst subNodes1 = getSubNodes( target1, excludedNodes );\n\tconst subNodes2 = getSubNodes( target2, excludedNodes );\n\n\tfor ( const node of subNodes1 ) {\n\t\tif ( subNodes2.has( node ) ) {\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\n/* istanbul ignore next */\n// eslint-disable-next-line\nfunction checkConnectionBetweenProps( target1, target2, excludedNodes ) {\n\tconst { subNodes: subNodes1, prevNodeMap: prevNodeMap1 } = getSubNodes( target1, excludedNodes.subNodes );\n\tconst { subNodes: subNodes2, prevNodeMap: prevNodeMap2 } = getSubNodes( target2, excludedNodes.subNodes );\n\n\tfor ( const sharedNode of subNodes1 ) {\n\t\tif ( subNodes2.has( sharedNode ) ) {\n\t\t\tconst connection = [];\n\n\t\t\tconnection.push( sharedNode );\n\n\t\t\tlet node = prevNodeMap1.get( sharedNode );\n\n\t\t\twhile ( node && node !== target1 ) {\n\t\t\t\tconnection.push( node );\n\t\t\t\tnode = prevNodeMap1.get( node );\n\t\t\t}\n\n\t\t\tnode = prevNodeMap2.get( sharedNode );\n\n\t\t\twhile ( node && node !== target2 ) {\n\t\t\t\tconnection.unshift( node );\n\t\t\t\tnode = prevNodeMap2.get( node );\n\t\t\t}\n\n\t\t\tconsole.log( '--------' );\n\t\t\tconsole.log( { target1 } );\n\t\t\tconsole.log( { sharedNode } );\n\t\t\tconsole.log( { target2 } );\n\t\t\tconsole.log( { connection } );\n\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\nfunction isObject( structure ) {\n\treturn typeof structure === 'object' && structure !== 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diff --git a/frontend/src/vendor/ckeditor/translations/af.js b/frontend/src/vendor/ckeditor/translations/af.js
new file mode 100644
index 0000000000..553c848afb
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/af.js
@@ -0,0 +1 @@
+!function(e){const o=e.af=e.af||{};o.dictionary=Object.assign(o.dictionary||{},{"%0 of %1":"","Block quote":"Blok-aanhaling",Bold:"Vetgedruk",Cancel:"Kanselleer","Cannot upload file:":"Lêer nie opgelaai nie:",Code:"Kode",Italic:"Skuinsgedruk","Remove color":"","Restore default":"",Save:"Berg","Show more items":"",Strikethrough:"Deurgetrek"}),o.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ar.js b/frontend/src/vendor/ckeditor/translations/ar.js
new file mode 100644
index 0000000000..0753a23ad9
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ar.js
@@ -0,0 +1 @@
+!function(e){const t=e.ar=e.ar||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"قم بمحاذاة نص الخلية للاسفل","Align cell text to the center":"قم بمحاذاة نص الخلية إلى المركز","Align cell text to the left":"قم بمحاذاة نص الخلية إلى اليسار","Align cell text to the middle":"قم بمحاذاة نص الخلية إلى المنتصف","Align cell text to the right":"قم بمحاذاة نص الخلية إلى اليمين","Align cell text to the top":"قم بمحاذاة نص الخلية إلى الأعلى","Align table to the left":"قم بمحاذاة الجدول إلى اليسار","Align table to the right":"قم بمحاذاة الجدول إلى اليمين",Alignment:"المحاذاة",Aquamarine:"",Background:"الخلفية",Black:"","Block quote":"اقتباس",Blue:"",Bold:"عريض",Border:"الحدود","Break text":"","Bulleted List":"قائمة نقطية",Cancel:"إلغاء","Cannot upload file:":"لا يمكن رفع الملف:","Cell properties":"خصائص الخلية","Center table":"قم بمحاذاة الجدول إلى المنتصف","Centered image":"صورة بالوسط","Change image text alternative":"غير النص البديل للصورة","Choose heading":"اختر عنوان",Code:"شفرة برمجية",Color:"اللون","Color picker":"",Column:"عمود",Dashed:"متقطع","Delete column":"حذف العمود","Delete row":"حذف الصف","Dim grey":"",Dimensions:"الابعاد",Dotted:"منقط",Double:"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"تحرير الرابط","Editor toolbar":"","Enter image caption":"ادخل عنوان الصورة","Full size image":"صورة بحجم كامل",Green:"",Grey:"",Groove:"","Header column":"عمود عنوان","Header row":"صف عنوان",Heading:"عنوان","Heading 1":"عنوان 1","Heading 2":"عنوان 2","Heading 3":"عنوان 3","Heading 4":"","Heading 5":"","Heading 6":"",Height:"الارتفاع","Horizontal text alignment toolbar":"شريط أدوات محاذاة النص الأفقي","Image resize list":"","Image toolbar":"","image widget":"عنصر الصورة","In line":"","Insert column left":"أدخل العمود إلى اليسار","Insert column right":"أدخل العمود إلى اليمين","Insert image":"ادراج صورة","Insert row above":"ادراج صف قبل","Insert row below":"ادراج صف بعد","Insert table":"إدراج جدول",Inset:"",Italic:"مائل","Justify cell text":"ضبط نص الخلية","Left aligned image":"صورة بمحاذاة لليسار","Light blue":"","Light green":"","Light grey":"",Link:"رابط","Link URL":"رابط عنوان","Merge cell down":"دمج الخلايا للأسفل","Merge cell left":"دمج الخلايا لليسار","Merge cell right":"دمج الخلايا لليمين","Merge cell up":"دمج الخلايا للأعلى","Merge cells":"دمج الخلايا",Next:"",None:"لا شيء","Numbered List":"قائمة رقمية","Open in a new tab":"","Open link in new tab":"فتح الرابط في تبويب جديد",Orange:"",Original:"",Outset:"",Padding:"الحاشية",Paragraph:"فقرة",Previous:"",Purple:"",Red:"",Redo:"إعادة","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"معالج نصوص","Rich Text Editor, %0":"معالج نصوص، %0",Ridge:"","Right aligned image":"صورة بمحاذاة لليمين",Row:"صف",Save:"حفظ","Select column":"حدد العمود","Select row":"حدد صفًا","Show more items":"","Side image":"صورة جانبية",Solid:"صلب","Split cell horizontally":"فصل الخلايا بشكل افقي","Split cell vertically":"فصل الخلايا بشكل عمودي",Strikethrough:"يتوسطه خط",Style:"أسلوب","Table alignment toolbar":"شريط أدوات محاذاة الجدول","Table cell text alignment":"محاذاة نص خلية الجدول","Table properties":"خصائص الجدول","Table toolbar":"شريط أدوات الجدول","Text alternative":"النص البديل",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"لا يحتوي هذا الرابط على عنوان","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"",Undo:"تراجع",Unlink:"إلغاء الرابط","Upload failed":"فشل الرفع","Upload in progress":"جاري الرفع","Vertical text alignment toolbar":"شريط أدوات محاذاة النص العمودي",White:"",Width:"العرض","Wrap text":"",Yellow:""}),t.getPluralForm=function(e){return 0==e?0:1==e?1:2==e?2:e%100>=3&&e%100<=10?3:e%100>=11&&e%100<=99?4:5}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ast.js b/frontend/src/vendor/ckeditor/translations/ast.js
new file mode 100644
index 0000000000..6be0bbbb76
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ast.js
@@ -0,0 +1 @@
+!function(e){const i=e.ast=e.ast||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"",Aquamarine:"",Black:"",Blue:"",Bold:"Negrina","Break text":"","Bulleted List":"Llista con viñetes",Cancel:"Encaboxar","Centered image":"","Change image text alternative":"",Code:"","Dim grey":"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"","Editor toolbar":"","Enter image caption":"","Full size image":"Imaxen a tamañu completu",Green:"",Grey:"","Image resize list":"","Image toolbar":"","image widget":"complementu d'imaxen","In line":"","Insert image":"",Italic:"Cursiva","Left aligned image":"","Light blue":"","Light green":"","Light grey":"",Link:"Enllazar","Link URL":"URL del enllaz",Next:"","Numbered List":"Llista numberada","Open in a new tab":"","Open link in new tab":"",Orange:"",Original:"",Previous:"",Purple:"",Red:"",Redo:"Refacer","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Editor de testu arriquecíu","Rich Text Editor, %0":"Editor de testu arriquecíu, %0","Right aligned image":"",Save:"Guardar","Show more items":"","Side image":"Imaxen llateral",Strikethrough:"","Text alternative":"","This link has no URL":"","To-do List":"",Turquoise:"",Undo:"Desfacer",Unlink:"Desenllazar","Upload failed":"",White:"","Wrap text":"",Yellow:""}),i.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/az.js b/frontend/src/vendor/ckeditor/translations/az.js
new file mode 100644
index 0000000000..38c47a0846
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/az.js
@@ -0,0 +1 @@
+!function(e){const l=e.az=e.az||{};l.dictionary=Object.assign(l.dictionary||{},{"%0 of %1":"%1-dən %0","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"Akvamarin",Background:"Fon",Black:"Qara","Block quote":"Sitat bloku",Blue:"Mavi",Bold:"Yarıqalın",Border:"Sərhəd","Break text":"","Bulleted List":"Markerlənmiş siyahı",Cancel:"İmtina et","Cannot upload file:":"Fayl yüklənə bilmir","Cell properties":"","Center table":"","Centered image":"Mərkəzə düzləndir","Change image text alternative":"Alternativ mətni redaktə et","Choose heading":"Başlıqı seç",Code:"Kod",Color:"Rəng","Color picker":"",Column:"Sütun",Dashed:"","Delete column":"Sütunları sil","Delete row":"Sətirləri sil","Dim grey":"Tünd boz",Dimensions:"Ölçülər",Dotted:"",Double:"",Downloadable:"Yüklənə bilər","Dropdown toolbar":"Açılan paneli","Edit block":"Redaktə etmək bloku","Edit link":"Linki redaktə et","Editor toolbar":"Redaktorun paneli","Enter image caption":"Şəkil başlığı daxil edin","Full size image":"Tam ölçülü şəkili",Green:"Yaşıl",Grey:"Boz",Groove:"","Header column":"Başlıqlı sütun","Header row":"Başlıqlı sətir",Heading:"Başlıq","Heading 1":"Başlıq 1","Heading 2":"Başlıq 2","Heading 3":"Başlıq 3","Heading 4":"Başlıq 4","Heading 5":"Başlıq 5","Heading 6":"Başlıq 6",Height:"Hündürlük","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"Şəkil paneli","image widget":"Şəkil vidgetı","In line":"","Insert column left":"Sola sütun əlavə et","Insert column right":"Sağa sütun əlavə et","Insert image":"Şəkili əlavə et","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Aşağıya sətir əlavə et","Insert row below":"Yuxarıya sətir əlavə et","Insert table":"Cədvəli əlavə et",Inset:"",Italic:"Maili","Justify cell text":"","Left aligned image":"Soldan düzləndir","Light blue":"Açıq mavi","Light green":"Açıq yaşıl","Light grey":"Açıq boz",Link:"Əlaqələndir","Link URL":"Linkin URL","Merge cell down":"Xanaları aşağı birləşdir","Merge cell left":"Xanaları sola birləşdir","Merge cell right":"Xanaları sağa birləşdir","Merge cell up":"Xanaları yuxarı birləşdir","Merge cells":"Xanaları birləşdir",Next:"Növbəti",None:"","Numbered List":"Nömrələnmiş siyahı","Open in a new tab":"Yeni pəncərədə aç","Open link in new tab":"Linki yeni pəncərədə aç",Orange:"Narıncı",Original:"",Outset:"",Padding:"",Paragraph:"Abzas",Previous:"Əvvəlki",Purple:"Bənövşəyi",Red:"Qırmızı",Redo:"Təkrar et","Remove color":"Rəngi ləğv et","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Rich Text Redaktoru","Rich Text Editor, %0":"Rich Text Redaktoru, %0",Ridge:"","Right aligned image":"Sağdan düzləndir",Row:"Sətir",Save:"Yadda saxla","Select column":"","Select row":"","Show more items":"Daha çox əşyanı göstərin","Side image":"Yan şəkil",Solid:"","Split cell horizontally":"Xanaları üfüqi böl","Split cell vertically":"Xanaları şaquli böl",Strikethrough:"Qaralanmış",Style:"","Table alignment toolbar":"","Table cell text alignment":"Cədvəl hüceyrəsi mətninin uyğunlaşdırılması","Table properties":"Cədvəl xüsusiyyətləri","Table toolbar":"Cədvəl paneli","Text alternative":"Alternativ mətn",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Bu linkdə URL yoxdur","To-do List":"To-do siyahı","Toggle caption off":"","Toggle caption on":"",Turquoise:"Firuzəyi",Undo:"İmtina et",Unlink:"Linki sil","Upload failed":"Şəkili serverə yüklə","Upload in progress":"Yüklənir","Vertical text alignment toolbar":"",White:"Ağ","Widget toolbar":"Vidgetin paneli",Width:"Eni","Wrap text":"",Yellow:"Sarı"}),l.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/bg.js b/frontend/src/vendor/ckeditor/translations/bg.js
new file mode 100644
index 0000000000..2d93514413
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/bg.js
@@ -0,0 +1 @@
+!function(e){const t=e.bg=e.bg||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Background:"","Block quote":"Цитат",Bold:"Удебелен",Border:"","Break text":"","Bulleted List":"Водещи символи",Cancel:"Отказ","Cell properties":"","Center table":"","Centered image":"","Change image text alternative":"","Choose heading":"Избери заглавие",Code:"",Color:"","Color picker":"",Column:"Колона",Dashed:"","Delete column":"Изтриване на колона","Delete row":"Изтриване на ред",Dimensions:"",Dotted:"",Double:"",Downloadable:"Изтегляне","Edit link":"Редакция на линк","Enter image caption":"","Full size image":"",Groove:"","Header column":"Заглавна колона","Header row":"Заглавен ред",Heading:"Заглавие","Heading 1":"Заглавие 1","Heading 2":"Заглавие 2","Heading 3":"Заглавие 3","Heading 4":"Заглавие 4","Heading 5":"Заглавие 5","Heading 6":"Заглавие 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"Компонент за изображение","In line":"","Insert column left":"Вмъкни колона отляво","Insert column right":"Вмъкни колона отдясно","Insert image":"Вмъкни изображение","Insert row above":"Вмъкни ред отгоре","Insert row below":"Вмъкни ред отдолу","Insert table":"Вмъкни таблица",Inset:"",Italic:"Курсив","Justify cell text":"","Left aligned image":"",Link:"Линк","Link URL":"Уеб адрес на линка","Merge cell down":"Обединяване на клетка надолу","Merge cell left":"Обединяване на клетка отляво","Merge cell right":"Обединяване на клетка отдясно","Merge cell up":"Обединяване на клетка отгоре","Merge cells":"Обединяване на клетки",None:"","Numbered List":"Номериране","Open in a new tab":"Отваряне в нов раздел","Open link in new tab":"Отваряне на линк в нов раздел",Original:"",Outset:"",Padding:"",Paragraph:"Параграф",Redo:"Повтори","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"",Ridge:"","Right aligned image":"",Row:"Ред",Save:"Запазване","Select column":"","Select row":"","Show more items":"","Side image":"",Solid:"","Split cell horizontally":"Разделяне на клетки хоризонтално","Split cell vertically":"Разделяне на клетки вертикално",Strikethrough:"",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Този линк няма уеб адрес","To-do List":"","Toggle caption off":"","Toggle caption on":"",Undo:"Отмени",Unlink:"Премахване на линка","Upload failed":"","Upload in progress":"Качването е в процес","Vertical text alignment toolbar":"",Width:"","Wrap text":""}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/bs.js b/frontend/src/vendor/ckeditor/translations/bs.js
new file mode 100644
index 0000000000..f1c14ced49
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/bs.js
@@ -0,0 +1 @@
+!function(i){const e=i.bs=i.bs||{};e.dictionary=Object.assign(e.dictionary||{},{"%0 of %1":"%0 od %1","Block quote":"Citat",Bold:"Podebljano","Break text":"",Cancel:"Poništi","Cannot upload file:":"Nije moguće učitati fajl:","Centered image":"Centrirana slika","Change image text alternative":"Promijeni ALT atribut za sliku","Choose heading":"Odaberi naslov",Code:"Kod","Enter image caption":"Unesi naziv slike","Full size image":"",Heading:"Naslov","Heading 1":"Naslov 1","Heading 2":"Naslov 2","Heading 3":"Naslov 3","Heading 4":"Naslov 4","Heading 5":"Naslov 5","Heading 6":"Naslov 6","Image resize list":"Lista veličina slike","Image toolbar":"","image widget":"","In line":"","Insert image":"Umetni sliku",Italic:"Zakrivljeno","Left aligned image":"Lijevo poravnata slika",Original:"Original",Paragraph:"Paragraf","Remove color":"Ukloni boju","Resize image":"Promijeni veličinu slike","Resize image to %0":"","Resize image to the original size":"Postavi originalnu veličinu slike","Restore default":"Vrati na zadano","Right aligned image":"Desno poravnata slika",Save:"Sačuvaj","Show more items":"Prikaži više stavki","Side image":"",Strikethrough:"Precrtano","Text alternative":"ALT atribut","Upload failed":"Učitavanje slike nije uspjelo","Wrap text":"Prelomi tekst"}),e.getPluralForm=function(i){return i%10==1&&i%100!=11?0:i%10>=2&&i%10<=4&&(i%100<10||i%100>=20)?1:2}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ca.js b/frontend/src/vendor/ckeditor/translations/ca.js
new file mode 100644
index 0000000000..cfdf6e27c0
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ca.js
@@ -0,0 +1 @@
+!function(a){const e=a.ca=a.ca||{};e.dictionary=Object.assign(e.dictionary||{},{"%0 of %1":"","Block quote":"Cita de bloc",Bold:"Negreta",Cancel:"Cancel·lar","Cannot upload file:":"No es pot pujar l'arxiu:","Choose heading":"Escull capçalera",Code:"Codi",Heading:"Capçalera","Heading 1":"Capçalera 1","Heading 2":"Capçalera 2","Heading 3":"Capçalera 3","Heading 4":"","Heading 5":"","Heading 6":"",Italic:"Cursiva",Paragraph:"Pàrraf","Remove color":"","Restore default":"",Save:"Desar","Show more items":"",Strikethrough:"Marcat"}),e.getPluralForm=function(a){return 1!=a}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/cs.js b/frontend/src/vendor/ckeditor/translations/cs.js
new file mode 100644
index 0000000000..64fde03444
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/cs.js
@@ -0,0 +1 @@
+!function(e){const t=e.cs=e.cs||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 z %1","Align cell text to the bottom":"Zarovnat text buňky dolů","Align cell text to the center":"Zarovnat text buňky na střed","Align cell text to the left":"Zarovnat text buňky doleva","Align cell text to the middle":"Zarovnat text buňky na střed","Align cell text to the right":"Zarovnat text buňky doprava","Align cell text to the top":"Zarovnat text buňky nahoru","Align table to the left":"Zarovnat tabulku doleva","Align table to the right":"Zarovnat tabulku doprava",Alignment:"Zarovnání",Aquamarine:"Akvamarínová",Background:"Pozadí",Black:"Černá","Block quote":"Citace",Blue:"Modrá",Bold:"Tučné",Border:"Okraj","Break text":"Obtékání textu","Bulleted List":"Odrážky",Cancel:"Zrušit","Cannot upload file:":"Soubor nelze nahrát:","Cell properties":"Vlastnosti buňky","Center table":"Centrovat tabulku","Centered image":"Obrázek zarovnaný na střed","Change image text alternative":"Změnit alternativní text obrázku","Choose heading":"Zvolte nadpis",Code:"Kódový blok",Color:"Barva","Color picker":"Vybrat barvu",Column:"Sloupec",Dashed:"Čárkovaná","Delete column":"Smazat sloupec","Delete row":"Smazat řádek","Dim grey":"Tmavě šedá",Dimensions:"Rozměry",Dotted:"Tečkovaná",Double:"Dvojitá",Downloadable:"Ke stažení","Dropdown toolbar":"Rozbalovací panel nástrojů","Edit block":"Upravit blok","Edit link":"Upravit odkaz","Editor toolbar":"Panel nástrojů editoru","Enter image caption":"Zadejte popis obrázku","Full size image":"Obrázek v plné velikosti",Green:"Zelená",Grey:"Šedá",Groove:"Drážkovaná","Header column":"Sloupec záhlaví","Header row":"Řádek záhlaví",Heading:"Nadpis","Heading 1":"Nadpis 1","Heading 2":"Nadpis 2","Heading 3":"Nadpis 3","Heading 4":"Nadpis 4","Heading 5":"Nadpis 5","Heading 6":"Nadpis 6",Height:"Výška","Horizontal text alignment toolbar":"Horizontální zarovnání textu v panelu","Image resize list":"Seznam možností změny velikosti","Image toolbar":"Panel nástrojů obrázku","image widget":"ovládací prvek obrázku","In line":"Rovnoběžně s textem","Insert column left":"Vložit sloupec vlevo","Insert column right":"Vložit sloupec vpravo","Insert image":"Vložit obrázek","Insert paragraph after block":"Vložte odstavec za blok","Insert paragraph before block":"Vložte odstavec před blok","Insert row above":"Vložit řádek před","Insert row below":"Vložit řádek pod","Insert table":"Vložit tabulku",Inset:"Vložená zevnitř",Italic:"Kurzíva","Justify cell text":"Zarovnat text buňky z obou stran","Left aligned image":"Obrázek zarovnaný vlevo","Light blue":"Světle modrá","Light green":"Světle zelená","Light grey":"Světle šedá",Link:"Odkaz","Link URL":"URL odkazu","Merge cell down":"Sloučit s buňkou pod","Merge cell left":"Sloučit s buňkou vlevo","Merge cell right":"Sloučit s buňkou vpravo","Merge cell up":"Sloučit s buňkou nad","Merge cells":"Sloučit buňky",Next:"Další",None:"Žádná","Numbered List":"Číslování","Open in a new tab":"Otevřít v nové kartě","Open link in new tab":"Otevřít odkaz v nové kartě",Orange:"Oranžová",Original:"Originální",Outset:"Vložená zvenku",Padding:"Vnitřní okraj",Paragraph:"Odstavec",Previous:"Předchozí",Purple:"Fialová",Red:"Červená",Redo:"Znovu","Remove color":"Odstranit barvu","Resize image":"Změnit velikost","Resize image to %0":"Změnit velikost na %0","Resize image to the original size":"Změnit velikost na původní velikost","Restore default":"Obnovit výchozí","Rich Text Editor":"Textový editor","Rich Text Editor, %0":"Textový editor, %0",Ridge:"Rámovaná","Right aligned image":"Obrázek zarovnaný vpravo",Row:"Řádek",Save:"Uložit","Select all":"Vybrat vše","Select column":"Vybrat sloupec","Select row":"Vybrat řádek","Show more items":"Zobrazit další položky","Side image":"Postranní obrázek",Solid:"Plná","Split cell horizontally":"Rozdělit buňky horizontálně","Split cell vertically":"Rozdělit buňky vertikálně",Strikethrough:"Přeškrtnuté",Style:"Styl","Table alignment toolbar":"Panel zarovnání tabulky","Table cell text alignment":"Zarovnání textu buňky tabulky","Table properties":"Vlastnosti tabulky","Table toolbar":"Panel nástrojů tabulky","Text alternative":"Alternativní text",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Barva má nesprávný formát. Zkuste "#FF0000", "rgb(255,0,0)" nebo "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Hodnota je nesprávná. Zkuste "10px", "2em" nebo jednoduše "2".',"This link has no URL":"Tento odkaz nemá žádnou URL","To-do List":"Seznam úkolů","Toggle caption off":"Vypnout titulek","Toggle caption on":"Zapnout titulek",Turquoise:"Tyrkysová",Undo:"Zpět",Unlink:"Odstranit odkaz","Upload failed":"Nahrání selhalo","Upload in progress":"Probíhá nahrávání","Vertical text alignment toolbar":"Vertikální zarovnání textu v panelu",White:"Bílá","Widget toolbar":"Panel nástrojů ovládacího prvku",Width:"Šířka","Wrap text":"Text nahoře a dole",Yellow:"Žlutá"}),t.getPluralForm=function(e){return 1==e&&e%1==0?0:e>=2&&e<=4&&e%1==0?1:e%1!=0?2:3}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/da.js b/frontend/src/vendor/ckeditor/translations/da.js
new file mode 100644
index 0000000000..99c7414ba7
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/da.js
@@ -0,0 +1 @@
+!function(e){const t=e.da=e.da||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 af %1","Align cell text to the bottom":"Justér tekstcelle til bunden","Align cell text to the center":"Justér tekstcelle centreret","Align cell text to the left":"Justér tekstcelle til venstre","Align cell text to the middle":"Justér tekstcelle til midten","Align cell text to the right":"Justér tekstcelle til højre","Align cell text to the top":"Justér tekstcelle til top","Align table to the left":"Justér tabel til venstre","Align table to the right":"Justér tabel til højre",Alignment:"Justering",Aquamarine:"Marineblå",Background:"Baggrund",Black:"Sort","Block quote":"Blot citat",Blue:"Blå",Bold:"Fed",Border:"Ramme","Break text":"","Bulleted List":"Punktopstilling",Cancel:"Annullér","Cannot upload file:":"Kan ikke uploade fil:","Cell properties":"Celleegenskaber","Center table":"Centrér tabel","Centered image":"Centreret billede","Change image text alternative":"Skift alternativ billedtekst","Choose heading":"Vælg overskrift",Code:"Kode",Color:"Farve","Color picker":"",Column:"Kolonne",Dashed:"Stiplet (streg)","Delete column":"Slet kolonne","Delete row":"Slet række","Dim grey":"Dunkel grå",Dimensions:"Dimensioner",Dotted:"Stiplet (prik)",Double:"Dobbel",Downloadable:"Kan downloades","Dropdown toolbar":"Dropdown værktøjslinje","Edit block":"Redigér blok","Edit link":"Redigér link","Editor toolbar":"Editor værktøjslinje","Enter image caption":"Indtast billedoverskrift","Full size image":"Fuld billedstørrelse",Green:"Grøn",Grey:"Grå",Groove:"Not","Header column":"Headerkolonne","Header row":"Headerrække",Heading:"Overskrift","Heading 1":"Overskrift 1","Heading 2":"Overskrift 2","Heading 3":"Overskrift 3","Heading 4":"Overskrift 4","Heading 5":"Overskrift 5","Heading 6":"Overskrift 6",Height:"Højde","Horizontal text alignment toolbar":"Horisontal tekstjustering værktøjslinje","Image resize list":"","Image toolbar":"Billedværktøjslinje","image widget":"billed widget","In line":"","Insert column left":"Indsæt kolonne venstre","Insert column right":"Indsæt kolonne højre","Insert image":"Indsæt billede","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Indsæt header over","Insert row below":"Indsæt header under","Insert table":"Indsæt tabel",Inset:"Forsænket",Italic:"Kursiv","Justify cell text":"Justér tekstcelle","Left aligned image":"Venstrestillet billede","Light blue":"Lys blå","Light green":"Lys grøn","Light grey":"Lys grå",Link:"Link","Link URL":"Link URL","Merge cell down":"Flet celler ned","Merge cell left":"Flet celler venstre","Merge cell right":"Flet celler højre","Merge cell up":"Flet celler op","Merge cells":"Flet celler",Next:"Næste",None:"Ingen","Numbered List":"Opstilling med tal","Open in a new tab":"Åben i ny fane","Open link in new tab":"Åben link i ny fane",Orange:"Orange",Original:"",Outset:"Fra starten",Padding:"Fyld",Paragraph:"Afsnit",Previous:"Forrige",Purple:"Lilla",Red:"Rød",Redo:"Gentag","Remove color":"Fjern farve","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"Nulstil","Rich Text Editor":"Wysiwyg editor","Rich Text Editor, %0":"Wysiwyg editor, %0",Ridge:"Kam","Right aligned image":"Højrestillet billede",Row:"Række",Save:"Gem","Select all":"Vælg alt","Select column":"","Select row":"","Show more items":"Vis flere emner","Side image":"Sidebillede",Solid:"Massiv","Split cell horizontally":"Del celle horisontalt","Split cell vertically":"Del celle vertikalt",Strikethrough:"Gennemstreg",Style:"Stil","Table alignment toolbar":"Tabeljustering værktøjslinje","Table cell text alignment":"Tabelcelle tekstjustering","Table properties":"Tabelegenskaber","Table toolbar":"Tabel værktøjslinje","Text alternative":"Alternativ tekst",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Farven er ugyldig. Prøv "#FF0000" eller "rgb(255,0,0)" eller "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Værdien er ugyldig. Prøv "10px" eller "2em" eller ganske enkelt "2".',"This link has no URL":"Dette link har ingen URL","To-do List":"To-do liste","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turkis",Undo:"Fortryd",Unlink:"Fjern link","Upload failed":"Upload fejlede","Upload in progress":"Upload i gang","Vertical text alignment toolbar":"Vertikal tekstjustering værktøjslinje",White:"Hvid","Widget toolbar":"Widget værktøjslinje",Width:"Bredde","Wrap text":"",Yellow:"Gyl"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/de-ch.js b/frontend/src/vendor/ckeditor/translations/de-ch.js
new file mode 100644
index 0000000000..af465d5fe6
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/de-ch.js
@@ -0,0 +1 @@
+!function(e){const t=e["de-ch"]=e["de-ch"]||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"",Background:"",Black:"","Block quote":"Blockzitat",Blue:"",Bold:"Fett",Border:"","Break text":"","Bulleted List":"Aufzählungsliste",Cancel:"Abbrechen","Cannot upload file:":"Datei kann nicht hochgeladen werden:","Cell properties":"","Center table":"","Centered image":"zentriertes Bild","Change image text alternative":"Alternativtext ändern","Choose heading":"Überschrift auswählen",Code:"Code",Color:"","Color picker":"",Column:"Spalte",Dashed:"","Delete column":"Spalte löschen","Delete row":"Zeile löschen","Dim grey":"",Dimensions:"",Dotted:"",Double:"",Downloadable:"Herunterladbar","Dropdown toolbar":"","Edit block":"","Edit link":"Link bearbeiten","Editor toolbar":"","Enter image caption":"Bildunterschrift eingeben","Full size image":"Bild in voller Grösse",Green:"",Grey:"",Groove:"","Header column":"Kopfspalte","Header row":"Kopfspalte",Heading:"Überschrift","Heading 1":"Überschrift 1","Heading 2":"Überschrift 2","Heading 3":"Überschrift 3","Heading 4":"Überschrift 4","Heading 5":"Überschrift 5","Heading 6":"Überschrift 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"Bildgrössen-Liste","Image toolbar":"Bild Werkzeugleiste","image widget":"Bild-Steuerelement","In line":"","Insert column left":"","Insert column right":"","Insert image":"Bild einfügen","Insert paragraph after block":"Absatz nach Block einfügen","Insert paragraph before block":"Absatz vor Block einfügen","Insert row above":"Zeile oben einfügen","Insert row below":"Zeile unten einfügen","Insert table":"Tabelle einfügen",Inset:"",Italic:"Kursiv","Justify cell text":"","Left aligned image":"linksbündiges Bild","Light blue":"","Light green":"","Light grey":"",Link:"Link","Link URL":"Link Adresse","Merge cell down":"Zelle unten verbinden","Merge cell left":"Zelle links verbinden","Merge cell right":"Zele rechts verbinden","Merge cell up":"Zelle oben verbinden","Merge cells":"Zellen verbinden",Next:"",None:"","Numbered List":"Nummerierte Liste","Open in a new tab":"In neuem Tab öffnen","Open link in new tab":"Link in neuem Tab öffnen",Orange:"",Original:"Original",Outset:"",Padding:"",Paragraph:"Absatz",Previous:"",Purple:"",Red:"",Redo:"Wiederherstellen","Remove color":"Farbe entfernen","Resize image":"Bildgrösse ändern","Resize image to %0":"Bildgrösse ändern in %0","Resize image to the original size":"Originalgrösse wiederherstellen","Restore default":"","Rich Text Editor":"Rich-Text-Edito","Rich Text Editor, %0":"Rich-Text-Editor, %0",Ridge:"","Right aligned image":"rechtsbündiges Bild",Row:"Zeile",Save:"Speichern","Select all":"Alles auswählen","Select column":"","Select row":"","Show more items":"","Side image":"Ausgerichtetes Bild",Solid:"","Split cell horizontally":"Zelle horizontal teilen","Split cell vertically":"Zelle vertikal teilen",Strikethrough:"Durchgestrichen",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"Alternativtext",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Dieser Link hat keine Adresse","To-do List":"Aufgabenliste","Toggle caption off":"","Toggle caption on":"",Turquoise:"",Undo:"Rückgängig",Unlink:"Link entfernen","Upload failed":"Hochladen fehlgeschlagen","Upload in progress":"Upload läuft","Vertical text alignment toolbar":"",White:"","Widget toolbar":"Widget Werkzeugleiste",Width:"","Wrap text":"",Yellow:""}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/de.js b/frontend/src/vendor/ckeditor/translations/de.js
new file mode 100644
index 0000000000..f6a64d35f1
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/de.js
@@ -0,0 +1 @@
+!function(e){const t=e.de=e.de||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 von %1","Align cell text to the bottom":"Zellentext unten ausrichten","Align cell text to the center":"Zellentext zentriert ausrichten","Align cell text to the left":"Zellentext linksbündig ausrichten","Align cell text to the middle":"Zellentext mittig ausrichten","Align cell text to the right":"Zellentext rechtsbündig ausrichten","Align cell text to the top":"Zellentext oben ausrichten","Align table to the left":"Tabelle links ausrichten","Align table to the right":"Tabelle rechts ausrichten",Alignment:"Ausrichtung",Aquamarine:"Aquamarinblau",Background:"Hintergrund",Black:"Schwarz","Block quote":"Blockzitat",Blue:"Blau",Bold:"Fett",Border:"Rahmen","Break text":"Bild teilt Text","Bulleted List":"Aufzählungsliste",Cancel:"Abbrechen","Cannot upload file:":"Datei kann nicht hochgeladen werden:","Cell properties":"Zelleneigenschaften","Center table":"Tabelle zentrieren","Centered image":"Zentriertes Bild","Change image text alternative":"Alternativtext ändern","Choose heading":"Überschrift auswählen",Code:"Code",Color:"Farbe","Color picker":"Farbwähler",Column:"Spalte",Dashed:"Gestrichelt","Delete column":"Spalte löschen","Delete row":"Zeile löschen","Dim grey":"Dunkelgrau",Dimensions:"Größe",Dotted:"Gepunktet",Double:"Doppelt",Downloadable:"Herunterladbar","Dropdown toolbar":"Dropdown-Liste Werkzeugleiste","Edit block":"Absatz bearbeiten","Edit link":"Link bearbeiten","Editor toolbar":"Editor Werkzeugleiste","Enter image caption":"Bildunterschrift eingeben","Full size image":"Bild in voller Größe",Green:"Grün",Grey:"Grau",Groove:"Eingeritzt","Header column":"Kopfspalte","Header row":"Kopfzeile",Heading:"Überschrift","Heading 1":"Überschrift 1","Heading 2":"Überschrift 2","Heading 3":"Überschrift 3","Heading 4":"Überschrift 4","Heading 5":"Überschrift 5","Heading 6":"Überschrift 6",Height:"Höhe","Horizontal text alignment toolbar":"Werkzeugleiste für die horizontale Zellentext-Ausrichtung","Image resize list":"Bildgrößen-Liste","Image toolbar":"Bild Werkzeugleiste","image widget":"Bild-Steuerelement","In line":"Text in Zeile","Insert column left":"Spalte links einfügen","Insert column right":"Spalte rechts einfügen","Insert image":"Bild einfügen","Insert paragraph after block":"Absatz nach Block einfügen","Insert paragraph before block":"Absatz vor Block einfügen","Insert row above":"Zeile oben einfügen","Insert row below":"Zeile unten einfügen","Insert table":"Tabelle einfügen",Inset:"Eingelassen",Italic:"Kursiv","Justify cell text":"Zellentext als Blocksatz ausrichten","Left aligned image":"Linksbündiges Bild","Light blue":"Hellblau","Light green":"Hellgrün","Light grey":"Hellgrau",Link:"Link","Link URL":"Link Adresse","Merge cell down":"Zelle unten verbinden","Merge cell left":"Zelle links verbinden","Merge cell right":"Zelle rechts verbinden","Merge cell up":"Zelle verbinden","Merge cells":"Zellen verbinden",Next:"Nächste",None:"Kein Rahmen","Numbered List":"Nummerierte Liste","Open in a new tab":"In neuem Tab öffnen","Open link in new tab":"Link im neuen Tab öffnen",Orange:"Orange",Original:"Original",Outset:"Geprägt",Padding:"Innenabstand",Paragraph:"Absatz",Previous:"vorherige",Purple:"Violett",Red:"Rot",Redo:"Wiederherstellen","Remove color":"Farbe entfernen","Resize image":"Bildgröße ändern","Resize image to %0":"Bildgröße ändern in %0","Resize image to the original size":"Bild in Originalgröße ändern","Restore default":"Standard wiederherstellen","Rich Text Editor":"Rich Text Editor","Rich Text Editor, %0":"Rich-Text-Editor, %0",Ridge:"Hervorgehoben","Right aligned image":"Rechtsbündiges Bild",Row:"Zeile",Save:"Speichern","Select all":"Alles auswählen","Select column":"Spalte auswählen","Select row":"Zeile auswählen","Show more items":"Mehr anzeigen","Side image":"Seitenbild",Solid:"Durchgezogen","Split cell horizontally":"Zelle horizontal teilen","Split cell vertically":"Zelle vertikal teilen",Strikethrough:"Durchgestrichen",Style:"Rahmenart","Table alignment toolbar":"Werkzeugleiste für die Tabellen-Ausrichtung","Table cell text alignment":"Ausrichtung des Zellentextes","Table properties":"Tabelleneigenschaften","Table toolbar":"Tabelle Werkzeugleiste","Text alternative":"Alternativtext",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"Die Farbe ist ungültig. Probieren Sie „#FF0000“ oder „rgb(255,0,0)“ oder „red“.",'The value is invalid. Try "10px" or "2em" or simply "2".':"Der Wert ist ungültig. Probieren Sie „10px“ oder „2em“ oder „2“.","This link has no URL":"Dieser Link hat keine Adresse","To-do List":"Aufgabenliste","Toggle caption off":"Tabellenüberschrift deaktivieren","Toggle caption on":"Tabellenüberschrift aktivieren",Turquoise:"Türkis",Undo:"Rückgängig",Unlink:"Link entfernen","Upload failed":"Hochladen fehlgeschlagen","Upload in progress":"Upload läuft","Vertical text alignment toolbar":"Werkzeugleiste für die vertikale Zellentext-Ausrichtung",White:"Weiß","Widget toolbar":"Widget Werkzeugleiste",Width:"Breite","Wrap text":"Text umfließt Bild",Yellow:"Gelb"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/el.js b/frontend/src/vendor/ckeditor/translations/el.js
new file mode 100644
index 0000000000..3b2c7bdde2
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/el.js
@@ -0,0 +1 @@
+!function(e){const i=e.el=e.el||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"",Aquamarine:"",Black:"","Block quote":"Περιοχή παράθεσης",Blue:"",Bold:"Έντονη","Break text":"","Bulleted List":"Λίστα κουκκίδων",Cancel:"Ακύρωση","Centered image":"","Change image text alternative":"Αλλαγή εναλλακτικού κείμενου","Choose heading":"Επιλέξτε κεφαλίδα",Code:"","Dim grey":"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"","Editor toolbar":"","Enter image caption":"Λεζάντα","Full size image":"Εικόνα πλήρης μεγέθους",Green:"",Grey:"",Heading:"Κεφαλίδα","Heading 1":"Κεφαλίδα 1","Heading 2":"Κεφαλίδα 2","Heading 3":"Κεφαλίδα 3","Heading 4":"","Heading 5":"","Heading 6":"","Image resize list":"","Image toolbar":"","image widget":"","In line":"","Insert image":"Εισαγωγή εικόνας",Italic:"Πλάγια","Left aligned image":"","Light blue":"","Light green":"","Light grey":"",Link:"Σύνδεσμος","Link URL":"Διεύθυνση συνδέσμου",Next:"","Numbered List":"Αριθμημένη λίστα","Open in a new tab":"","Open link in new tab":"",Orange:"",Original:"",Paragraph:"Παράγραφος",Previous:"",Purple:"",Red:"",Redo:"Επανάληψη","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Επεξεργαστής Πλούσιου Κειμένου","Rich Text Editor, %0":"Επεξεργαστής Πλούσιου Κειμένου, %0","Right aligned image":"",Save:"Αποθήκευση","Show more items":"","Side image":"",Strikethrough:"","Text alternative":"Εναλλακτικό κείμενο","This link has no URL":"","To-do List":"",Turquoise:"",Undo:"Αναίρεση",Unlink:"Αφαίρεση συνδέσμου","Upload failed":"",White:"","Wrap text":"",Yellow:""}),i.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/en-au.js b/frontend/src/vendor/ckeditor/translations/en-au.js
new file mode 100644
index 0000000000..c9ffb9e082
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/en-au.js
@@ -0,0 +1 @@
+!function(e){const t=e["en-au"]=e["en-au"]||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 of %1","Align cell text to the bottom":"Align cell text to the bottom","Align cell text to the center":"Align cell text to the center","Align cell text to the left":"Align cell text to the left","Align cell text to the middle":"Align cell text to the middle","Align cell text to the right":"Align cell text to the right","Align cell text to the top":"Align cell text to the top","Align table to the left":"Align table to the left","Align table to the right":"Align table to the right",Alignment:"Alignment",Aquamarine:"Aquamarine",Background:"Background",Black:"Black","Block quote":"Block quote",Blue:"Blue",Bold:"Bold",Border:"Border","Break text":"","Bulleted List":"Bulleted List",Cancel:"Cancel","Cannot upload file:":"Cannot upload file:","Cell properties":"Cell properties","Center table":"Centre table","Centered image":"Centred image","Change image text alternative":"Change image text alternative","Choose heading":"Choose heading",Code:"Code",Color:"Colour","Color picker":"Colour picker",Column:"Column",Dashed:"Dashed","Delete column":"Delete column","Delete row":"Delete row","Dim grey":"Dim grey",Dimensions:"Dimensions",Dotted:"Dotted",Double:"Double",Downloadable:"Downloadable","Dropdown toolbar":"Dropdown toolbar","Edit block":"Edit block","Edit link":"Edit link","Editor toolbar":"Editor toolbar","Enter image caption":"Enter image caption","Full size image":"Full size image",Green:"Green",Grey:"Grey",Groove:"Groove","Header column":"Header column","Header row":"Header row",Heading:"Heading","Heading 1":"Heading 1","Heading 2":"Heading 2","Heading 3":"Heading 3","Heading 4":"Heading 4","Heading 5":"Heading 5","Heading 6":"Heading 6",Height:"Height","Horizontal text alignment toolbar":"Horizontal text alignment toolbar","Image resize list":"Image resize list","Image toolbar":"Image toolbar","image widget":"image widget","In line":"","Insert column left":"Insert column left","Insert column right":"Insert column right","Insert image":"Insert image","Insert paragraph after block":"Insert paragraph after block","Insert paragraph before block":"Insert paragraph before block","Insert row above":"Insert row above","Insert row below":"Insert row below","Insert table":"Insert table",Inset:"Inset",Italic:"Italic","Justify cell text":"Justify cell text","Left aligned image":"Left aligned image","Light blue":"Light blue","Light green":"Light green","Light grey":"Light grey",Link:"Link","Link URL":"Link URL","Merge cell down":"Merge cell down","Merge cell left":"Merge cell left","Merge cell right":"Merge cell right","Merge cell up":"Merge cell up","Merge cells":"Merge cells",Next:"Next",None:"None","Numbered List":"Numbered List","Open in a new tab":"Open in a new tab","Open link in new tab":"Open link in new tab",Orange:"Orange",Original:"Original",Outset:"Outset",Padding:"Padding",Paragraph:"Paragraph",Previous:"Previous",Purple:"Purple",Red:"Red",Redo:"Redo","Remove color":"Remove colour","Resize image":"Resize image","Resize image to %0":"Resize image to %0","Resize image to the original size":"Resize image to the original size","Restore default":"","Rich Text Editor":"Rich Text Editor","Rich Text Editor, %0":"Rich Text Editor, %0",Ridge:"Ridge","Right aligned image":"Right aligned image",Row:"Row",Save:"Save","Select all":"Select all","Select column":"Select column","Select row":"Select row","Show more items":"Show more items","Side image":"Side image",Solid:"Solid","Split cell horizontally":"Split cell horizontally","Split cell vertically":"Split cell vertically",Strikethrough:"Strikethrough",Style:"Style","Table alignment toolbar":"Table alignment toolbar","Table cell text alignment":"Table cell text alignment","Table properties":"Table properties","Table toolbar":"Table toolbar","Text alternative":"Text alternative",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'The colour is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'The value is invalid. Try "10px" or "2em" or simply "2".',"This link has no URL":"This link has no URL","To-do List":"To-do List","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turquoise",Undo:"Undo",Unlink:"Unlink","Upload failed":"Upload failed","Upload in progress":"Upload in progress","Vertical text alignment toolbar":"Vertical text alignment toolbar",White:"White","Widget toolbar":"Widget toolbar",Width:"Width","Wrap text":"",Yellow:"Yellow"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/en-gb.js b/frontend/src/vendor/ckeditor/translations/en-gb.js
new file mode 100644
index 0000000000..5c00022110
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/en-gb.js
@@ -0,0 +1 @@
+!function(e){const t=e["en-gb"]=e["en-gb"]||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 of %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"Aquamarine",Background:"",Black:"Black","Block quote":"Block quote",Blue:"Blue",Bold:"Bold",Border:"","Break text":"","Bulleted List":"Bulleted List",Cancel:"Cancel","Cannot upload file:":"Cannot upload file:","Cell properties":"","Center table":"","Centered image":"Centred image","Change image text alternative":"Change image text alternative","Choose heading":"Choose heading",Code:"Code",Color:"","Color picker":"",Column:"Column",Dashed:"","Delete column":"Delete column","Delete row":"Delete row","Dim grey":"Dim grey",Dimensions:"",Dotted:"",Double:"",Downloadable:"Downloadable","Dropdown toolbar":"","Edit block":"Edit block","Edit link":"Edit link","Editor toolbar":"","Enter image caption":"Enter image caption","Full size image":"Full size image",Green:"Green",Grey:"Grey",Groove:"","Header column":"Header column","Header row":"Header row",Heading:"Heading","Heading 1":"Heading 1","Heading 2":"Heading 2","Heading 3":"Heading 3","Heading 4":"Heading 4","Heading 5":"Heading 5","Heading 6":"Heading 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"Image widget","In line":"","Insert column left":"Insert column left","Insert column right":"Insert column right","Insert image":"Insert image","Insert row above":"Insert row above","Insert row below":"Insert row below","Insert table":"Insert table",Inset:"",Italic:"Italic","Justify cell text":"","Left aligned image":"Left aligned image","Light blue":"Light blue","Light green":"Light green","Light grey":"Light grey",Link:"Link","Link URL":"Link URL","Merge cell down":"Merge cell down","Merge cell left":"Merge cell left","Merge cell right":"Merge cell right","Merge cell up":"Merge cell up","Merge cells":"Merge cells",Next:"Next",None:"","Numbered List":"Numbered List","Open in a new tab":"Open in a new tab","Open link in new tab":"Open link in new tab",Orange:"Orange",Original:"",Outset:"",Padding:"",Paragraph:"Paragraph",Previous:"Previous",Purple:"Purple",Red:"Red",Redo:"Redo","Remove color":"Remove colour","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Rich Text Editor","Rich Text Editor, %0":"Rich Text Editor, %0",Ridge:"","Right aligned image":"Right aligned image",Row:"Row",Save:"Save","Select column":"","Select row":"","Show more items":"","Side image":"Side image",Solid:"","Split cell horizontally":"Split cell horizontally","Split cell vertically":"Split cell vertically",Strikethrough:"Strikethrough",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"Text alternative",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"This link has no URL","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turquoise",Undo:"Undo",Unlink:"Unlink","Upload failed":"Upload failed","Upload in progress":"Upload in progress","Vertical text alignment toolbar":"",White:"White",Width:"","Wrap text":"",Yellow:"Yellow"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/eo.js b/frontend/src/vendor/ckeditor/translations/eo.js
new file mode 100644
index 0000000000..fe9fa5ef53
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/eo.js
@@ -0,0 +1 @@
+!function(e){const i=e.eo=e.eo||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"",Aquamarine:"",Black:"",Blue:"",Bold:"grasa","Break text":"","Bulleted List":"Bula Listo",Cancel:"Nuligi","Centered image":"","Change image text alternative":"Ŝanĝu la alternativan tekston de la bildo","Choose heading":"Elektu ĉapon",Code:"","Dim grey":"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"","Editor toolbar":"","Enter image caption":"Skribu klarigon pri la bildo","Full size image":"Bildo kun reala dimensio",Green:"",Grey:"",Heading:"Ĉapo","Heading 1":"Ĉapo 1","Heading 2":"Ĉapo 2","Heading 3":"Ĉapo 3","Heading 4":"","Heading 5":"","Heading 6":"","Image resize list":"","Image toolbar":"","image widget":"bilda fenestraĵo","In line":"","Insert image":"Enmetu bildon",Italic:"kursiva","Left aligned image":"","Light blue":"","Light green":"","Light grey":"",Link:"Ligilo","Link URL":"URL de la ligilo",Next:"","Numbered List":"Numerita Listo","Open in a new tab":"","Open link in new tab":"",Orange:"",Original:"",Paragraph:"Paragrafo",Previous:"",Purple:"",Red:"",Redo:"Refari","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Redaktilo de Riĉa Teksto","Rich Text Editor, %0":"Redaktilo de Riĉa Teksto, %0","Right aligned image":"",Save:"Konservi","Show more items":"","Side image":"Flanka biildo",Strikethrough:"","Text alternative":"Alternativa teksto","This link has no URL":"","To-do List":"",Turquoise:"",Undo:"Malfari",Unlink:"Malligi","Upload failed":"",White:"","Wrap text":"",Yellow:""}),i.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/es.js b/frontend/src/vendor/ckeditor/translations/es.js
new file mode 100644
index 0000000000..9b46f22fc5
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/es.js
@@ -0,0 +1 @@
+!function(e){const a=e.es=e.es||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"%0 de %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"Alinear tabla a la izquierda","Align table to the right":"Alinear tabla a la derecha",Alignment:"",Aquamarine:"Aguamarina",Background:"",Black:"Negro","Block quote":"Cita de bloque",Blue:"Azul",Bold:"Negrita",Border:"Borde","Break text":"","Bulleted List":"Lista de puntos",Cancel:"Cancelar","Cannot upload file:":"No se pudo cargar el archivo:","Cell properties":"","Center table":"Centrar tabla","Centered image":"Imagen centrada","Change image text alternative":"Cambiar el texto alternativo de la imagen","Choose heading":"Elegir Encabezado",Code:"Código",Color:"Color","Color picker":"",Column:"Columna",Dashed:"","Delete column":"Eliminar columna","Delete row":"Eliminar fila","Dim grey":"Gris Oscuro",Dimensions:"Dimensiones",Dotted:"",Double:"Doble",Downloadable:"Descargable","Dropdown toolbar":"Barra de herramientas desplegable","Edit block":"Cuadro de edición","Edit link":"Editar enlace","Editor toolbar":"Barra de herramientas de edición","Enter image caption":"Introducir título de la imagen","Full size image":"Imagen a tamaño completo",Green:"Verde",Grey:"Gris",Groove:"","Header column":"Columna de encabezado","Header row":"Fila de encabezado",Heading:"Encabezado","Heading 1":"Encabezado 1","Heading 2":"Encabezado 2","Heading 3":"Encabezado 3","Heading 4":"Encabezado 4","Heading 5":"Encabezado 5","Heading 6":"Encabezado 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"Barra de herramientas de imagen","image widget":"Widget de imagen","In line":"","Insert column left":"Insertar columna izquierda","Insert column right":"Insertar columna derecha","Insert image":"Insertar imagen","Insert paragraph after block":"Insertar párrafo después del bloque","Insert paragraph before block":"Insertar párrafo antes del bloque","Insert row above":"Insertar fila encima","Insert row below":"Insertar fila debajo","Insert table":"Insertar tabla",Inset:"",Italic:"Cursiva","Justify cell text":"","Left aligned image":"Imagen alineada a la izquierda","Light blue":"Azul Claro","Light green":"Verde Claro","Light grey":"Gris Claro",Link:"Enlace","Link URL":"URL del enlace","Merge cell down":"Combinar celda inferior","Merge cell left":"Combinar celda izquierda","Merge cell right":"Combinar celda derecha","Merge cell up":"Combinar celda superior","Merge cells":"Combinar celdas",Next:"Siguiente",None:"","Numbered List":"Lista numerada","Open in a new tab":"Abrir en una pestaña nueva ","Open link in new tab":"Abrir enlace en una pestaña nueva",Orange:"Anaranjado",Original:"Original",Outset:"",Padding:"",Paragraph:"Párrafo",Previous:"Anterior",Purple:"Morado",Red:"Rojo",Redo:"Rehacer","Remove color":"Quitar color","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"Restaurar valores predeterminados","Rich Text Editor":"Editor de Texto Enriquecido","Rich Text Editor, %0":"Editor de Texto Enriquecido, %0",Ridge:"","Right aligned image":"Imagen alineada a la derecha",Row:"Fila",Save:"Guardar","Select all":"Seleccionar todo","Select column":"Seleccionar columna","Select row":"Seleccionar fila","Show more items":"Mostrar más elementos","Side image":"Imagen lateral",Solid:"Sólido","Split cell horizontally":"Dividir celdas horizontalmente","Split cell vertically":"Dividir celdas verticalmente",Strikethrough:"Tachado",Style:"Estilo","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"Barra de herramientas de tabla","Text alternative":"Texto alternativo",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Este enlace no tiene URL","To-do List":"Lista de tareas","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turquesa",Undo:"Deshacer",Unlink:"Quitar enlace","Upload failed":"Fallo en la subida","Upload in progress":"Subida en progreso","Vertical text alignment toolbar":"",White:"Blanco","Widget toolbar":"Barra de herramientas del widget",Width:"","Wrap text":"",Yellow:"Amarillo"}),a.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/et.js b/frontend/src/vendor/ckeditor/translations/et.js
new file mode 100644
index 0000000000..afeeea00b7
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/et.js
@@ -0,0 +1 @@
+!function(e){const i=e.et=e.et||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"%0 / %1","Align cell text to the bottom":"Lahtri tekst all","Align cell text to the center":"Lahtri tekst keskel","Align cell text to the left":"Lahtri tekst vasakul","Align cell text to the middle":"Lahtri tekst kõrguse järgi keskel","Align cell text to the right":"Lahtri tekst paremal","Align cell text to the top":"Lahtri tekst üleval","Align table to the left":"Tabel joondatud vasakule","Align table to the right":"Tabel joondatud paremale",Alignment:"Joondus",Aquamarine:"Akvamariin",Background:"Taust",Black:"Must","Block quote":"Tsitaat",Blue:"Sinine",Bold:"Rasvane",Border:"Ääris","Break text":"","Bulleted List":"Punktidega loetelu",Cancel:"Loobu","Cannot upload file:":"Faili ei suudeta üles laadida:","Cell properties":"Lahtri omadused","Center table":"Tabel joondatud keskele","Centered image":"Keskele joondatud pilt","Change image text alternative":"Muuda pildi asenduskirjeldust","Choose heading":"Vali pealkiri",Code:"Kood",Color:"Värvus","Color picker":"Värvi valija",Column:"Veerg",Dashed:"Kriipsjoon","Delete column":"Kustuta veerg","Delete row":"Kustuta rida","Dim grey":"Tumehall",Dimensions:"Mõõtmed",Dotted:"Punktiir",Double:"Topelt",Downloadable:"Allalaaditav","Dropdown toolbar":"Avatav tööriistariba","Edit block":"Muuda plokki","Edit link":"Muuda linki","Editor toolbar":"Redaktori tööriistariba","Enter image caption":"Sisesta pildi pealkiri","Full size image":"Täissuuruses pilt",Green:"Roheline",Grey:"Hall",Groove:"Kraav","Header column":"Päise veerg","Header row":"Päise rida",Heading:"Pealkiri","Heading 1":"Pealkiri 1","Heading 2":"Pealkiri 2","Heading 3":"Pealkiri 3","Heading 4":"Pealkiri 4","Heading 5":"Pealkiri 5","Heading 6":"Pealkiri 6",Height:"Kõrgus","Horizontal text alignment toolbar":"Teksti rõhtpaigutuse tööriistariba","Image resize list":"","Image toolbar":"Piltide tööriistariba","image widget":"pildi vidin","In line":"","Insert column left":"Sisesta veerg vasakule","Insert column right":"Sisesta veerg paremale","Insert image":"Siseta pilt","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Sisesta rida ülespoole","Insert row below":"Sisesta rida allapoole","Insert table":"Sisesta tabel",Inset:"Süvik",Italic:"Kaldkiri","Justify cell text":"Lahtri tekst rööpjoondatud","Left aligned image":"Vasakule joondatud pilt","Light blue":"Helesinine","Light green":"Heleroheline","Light grey":"Helehall",Link:"Link","Link URL":"Lingi URL","Merge cell down":"Liida alumise lahtriga","Merge cell left":"Liida vasakul oleva lahtriga","Merge cell right":"Liida paremal oleva lahtriga","Merge cell up":"Liida ülemise lahtriga","Merge cells":"Liida lahtrid",Next:"Järgmine",None:"Puudub","Numbered List":"Nummerdatud loetelu","Open in a new tab":"Ava uuel kaardil","Open link in new tab":"Ava link uuel vahekaardil",Orange:"Oranž",Original:"",Outset:"Küngas",Padding:"Vahe sisuni",Paragraph:"Lõik",Previous:"Eelmine",Purple:"Lilla",Red:"Punane",Redo:"Tee uuesti","Remove color":"Eemalda värv","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Tekstiredaktor","Rich Text Editor, %0":"Tekstiredaktor, %0",Ridge:"Vall","Right aligned image":"Paremale joondatud pilt",Row:"Rida",Save:"Salvesta","Select all":"Vali kõik","Select column":"Vali veerg","Select row":"Vali rida","Show more items":"Näita veel","Side image":"Pilt küljel",Solid:"Pidev","Split cell horizontally":"Jaga lahter horisontaalselt","Split cell vertically":"Jaga lahter vertikaalselt",Strikethrough:"Läbijoonitud",Style:"Stiil","Table alignment toolbar":"Tabeli paigutuse tööriistariba","Table cell text alignment":"Teksti paigutus lahtris","Table properties":"Tabeli omadused","Table toolbar":"Tabelite tööriistariba","Text alternative":"Asenduskirjeldus",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Värvus ei sobi. Proovi "#FF0000" või "rgb(255,0,0)" või "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Väärtus ei sobi. Proovi "10px", "2em" või lihtsalt "2".',"This link has no URL":"Sellel lingil puudub URL","To-do List":"Tööde nimekiri","Toggle caption off":"","Toggle caption on":"",Turquoise:"Türkiis",Undo:"Võta tagasi",Unlink:"Eemalda link","Upload failed":"Üleslaadimine ebaõnnestus","Upload in progress":"Üleslaadimine pooleli","Vertical text alignment toolbar":"Teksti püstpaigutuse tööriistariba",White:"Valge","Widget toolbar":"Vidinate tööriistariba",Width:"Laius","Wrap text":"",Yellow:"Kollane"}),i.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/eu.js b/frontend/src/vendor/ckeditor/translations/eu.js
new file mode 100644
index 0000000000..edac1b62bf
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/eu.js
@@ -0,0 +1 @@
+!function(e){const a=e.eu=e.eu||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"",Aquamarine:"",Black:"","Block quote":"Aipua",Blue:"",Bold:"Lodia","Break text":"","Bulleted List":"Buletdun zerrenda",Cancel:"Utzi","Cannot upload file:":"Ezin da fitxategia kargatu:","Centered image":"Zentratutako irudia","Change image text alternative":"Aldatu irudiaren ordezko testua","Choose heading":"Aukeratu izenburua",Code:"Kodea","Dim grey":"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"","Editor toolbar":"","Enter image caption":"Sartu irudiaren epigrafea","Full size image":"Tamaina osoko irudia",Green:"",Grey:"",Heading:"Izenburua","Heading 1":"Izenburua 1","Heading 2":"Izenburua 2","Heading 3":"Izenburua 3","Heading 4":"","Heading 5":"","Heading 6":"","Image resize list":"","Image toolbar":"","image widget":"irudi widgeta","In line":"","Insert image":"Txertatu irudia",Italic:"Etzana","Left aligned image":"Ezkerrean lerrokatutako irudia","Light blue":"","Light green":"","Light grey":"",Link:"Esteka","Link URL":"Estekaren URLa",Next:"","Numbered List":"Zenbakidun zerrenda","Open in a new tab":"","Open link in new tab":"",Orange:"",Original:"",Paragraph:"Paragrafoa",Previous:"",Purple:"",Red:"",Redo:"Berregin","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Testu aberastuaren editorea","Rich Text Editor, %0":"Testu aberastuaren editorea, %0","Right aligned image":"Eskuinean lerrokatutako irudia",Save:"Gorde","Show more items":"","Side image":"Alboko irudia",Strikethrough:"","Text alternative":"Ordezko testua","This link has no URL":"","To-do List":"",Turquoise:"",Undo:"Desegin",Unlink:"Desestekatu","Upload failed":"Kargatzeak huts egin du",White:"","Wrap text":"",Yellow:""}),a.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/fa.js b/frontend/src/vendor/ckeditor/translations/fa.js
new file mode 100644
index 0000000000..86a083baff
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/fa.js
@@ -0,0 +1 @@
+!function(e){const t=e.fa=e.fa||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 از %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"متن سلول را در سمت راست تراز کنید","Align cell text to the top":"","Align table to the left":"","Align table to the right":"جدول را در سمت راست تراز کنید",Alignment:"ترازبندی",Aquamarine:"زمرد کبود",Background:"زمینه",Black:"سیاه","Block quote":" بلوک نقل قول",Blue:"آبی",Bold:"درشت",Border:"حاشیه","Break text":"","Bulleted List":"لیست نشانه‌دار",Cancel:"لغو","Cannot upload file:":"فایل آپلود نمی‌شود:","Cell properties":"خصوصیات سلول","Center table":"جدول وسط","Centered image":"تصویر در وسط","Change image text alternative":"تغییر متن جایگزین تصویر","Choose heading":"انتخاب عنوان",Code:"کد",Color:"رنگ","Color picker":"",Column:"ستون",Dashed:"نقطه چین","Delete column":"حذف ستون","Delete row":"حذف سطر","Dim grey":"خاکستری تیره",Dimensions:"ابعاد",Dotted:"خط چین",Double:"دوبل",Downloadable:"قابل بارگیری","Dropdown toolbar":"نوارابزار کشویی","Edit block":"ویرایش قطعه","Edit link":"ویرایش پیوند","Editor toolbar":"نوارابزار ویرایشگر","Enter image caption":"عنوان تصویر را وارد کنید","Full size image":"تصویر در اندازه کامل",Green:"سبز",Grey:"خاکستری",Groove:"خط دار کردن","Header column":"ستون سربرگ","Header row":"سطر سربرگ",Heading:"عنوان","Heading 1":"عنوان 1","Heading 2":"عنوان 2","Heading 3":"عنوان 3","Heading 4":"عنوان 4","Heading 5":"عنوان 5","Heading 6":"عنوان 6",Height:"ارتفاع","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"نوارابزار تصویر","image widget":"ابزاره تصویر","In line":"","Insert column left":"درج ستون در سمت چپ","Insert column right":"درج ستون در سمت راست","Insert image":"قرار دادن تصویر","Insert paragraph after block":"درج پاراگراف بعد از بلوک","Insert paragraph before block":"درج پاراگراف قبل از بلوک","Insert row above":"درج سطر در بالا","Insert row below":"درج سطر در پایین","Insert table":"درج جدول",Inset:"",Italic:"کج","Justify cell text":"","Left aligned image":"تصویر تراز شده چپ","Light blue":"آبی روشن","Light green":"سبز روشن","Light grey":"خاکستری روشن",Link:"پیوند","Link URL":"نشانی اینترنتی پیوند","Merge cell down":"ادغام سلول پایین","Merge cell left":"ادغام سلول چپ","Merge cell right":"ادغام سلول راست","Merge cell up":"ادغام سلول بالا","Merge cells":"ادغام سلول ها",Next:"بعدی",None:"هیچ کدام","Numbered List":"لیست عددی","Open in a new tab":"بازکردن در برگه جدید","Open link in new tab":"باز کردن پیوند در برگه جدید",Orange:"نارنجی",Original:"",Outset:"",Padding:"حاشیه داخلی",Paragraph:"پاراگراف",Previous:"قبلی",Purple:"بنفش",Red:"قرمز",Redo:"باز انجام","Remove color":"حذف رنگ","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"ویرایشگر متن غنی","Rich Text Editor, %0":"ویرایشگر متن غنی، %0",Ridge:"","Right aligned image":"تصویر تراز شده راست",Row:"سطر",Save:"ذخیره","Select all":"انتخاب همه","Select column":"","Select row":"","Show more items":"نمایش گزینه‌های بیشتر","Side image":"تصویر جانبی",Solid:"توپر","Split cell horizontally":"تقسیم افقی سلول","Split cell vertically":"تقسیم عمودی سلول",Strikethrough:"خط خورده",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"خصوصیات جدول","Table toolbar":"نوارابزار جدول","Text alternative":"متن جایگزین",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"این پیوند نشانی اینترنتی ندارد","To-do List":"لیست انجام کار","Toggle caption off":"","Toggle caption on":"",Turquoise:"فیروزه ای",Undo:"بازگردانی",Unlink:"لغو پیوند","Upload failed":"آپلود ناموفق بود","Upload in progress":"آپلود در حال انجام","Vertical text alignment toolbar":"",White:"سفید","Widget toolbar":"نوار ابزار ویجت",Width:"عرض","Wrap text":"",Yellow:"زرد"}),t.getPluralForm=function(e){return e>1}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/fi.js b/frontend/src/vendor/ckeditor/translations/fi.js
new file mode 100644
index 0000000000..1a7c106447
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/fi.js
@@ -0,0 +1 @@
+!function(e){const i=e.fi=e.fi||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"Akvamariini",Background:"",Black:"Musta","Block quote":"Lainaus",Blue:"Sininen",Bold:"Lihavointi",Border:"","Break text":"","Bulleted List":"Lista",Cancel:"Peruuta","Cannot upload file:":"Tiedostoa ei voitu ladata:","Cell properties":"","Center table":"","Centered image":"Keskitetty kuva","Change image text alternative":"Vaihda kuvan vaihtoehtoinen teksti","Choose heading":"Valitse otsikko",Code:"Koodi",Color:"","Color picker":"",Column:"Sarake",Dashed:"","Delete column":"Poista sarake","Delete row":"Poista rivi","Dim grey":"",Dimensions:"",Dotted:"",Double:"",Downloadable:"","Dropdown toolbar":"","Edit block":"Muokkaa lohkoa","Edit link":"Muokkaa linkkiä","Editor toolbar":"","Enter image caption":"Syötä kuvateksti","Full size image":"Täysikokoinen kuva",Green:"Vihreä",Grey:"Harmaa",Groove:"","Header column":"Otsikkosarake","Header row":"Otsikkorivi",Heading:"Otsikkotyyli","Heading 1":"Otsikko 1","Heading 2":"Otsikko 2","Heading 3":"Otsikko 3","Heading 4":"Otsikko 4","Heading 5":"Otsikko 5","Heading 6":"Otsikko 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"Kuvavimpain","In line":"","Insert column left":"Lisää sarake vasemmalle","Insert column right":"Lisää sarake oikealle","Insert image":"Lisää kuva","Insert row above":"Lisää rivi ylle","Insert row below":"Lisää rivi alle","Insert table":"Lisää taulukko",Inset:"",Italic:"Kursivointi","Justify cell text":"","Left aligned image":"Vasemmalle tasattu kuva","Light blue":"Vaaleansininen","Light green":"Vaaleanvihreä","Light grey":"Vaaleanharmaa",Link:"Linkki","Link URL":"Linkin osoite","Merge cell down":"Yhdistä solu alas","Merge cell left":"Yhdistä solu vasemmalle","Merge cell right":"Yhdistä solu oikealle","Merge cell up":"Yhdistä solu ylös","Merge cells":"Yhdistä tai jaa soluja",Next:"",None:"","Numbered List":"Numeroitu lista","Open in a new tab":"","Open link in new tab":"Avaa linkki uudessa välilehdessä",Orange:"Oranssi",Original:"",Outset:"",Padding:"",Paragraph:"Kappale",Previous:"",Purple:"Purppura",Red:"Punainen",Redo:"Tee uudelleen","Remove color":"Poista väri","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Rikas tekstieditori","Rich Text Editor, %0":"Rikas tekstieditori, %0",Ridge:"","Right aligned image":"Oikealle tasattu kuva",Row:"Rivi",Save:"Tallenna","Select column":"Valitse sarake","Select row":"Valitse rivi","Show more items":"","Side image":"Pieni kuva",Solid:"","Split cell horizontally":"Jaa solu vaakasuunnassa","Split cell vertically":"Jaa solu pystysuunnassa",Strikethrough:"Yliviivaus",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"Vaihtoehtoinen teksti",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Linkillä ei ole URL-osoitetta","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turkoosi",Undo:"Peru",Unlink:"Poista linkki","Upload failed":"Lataus epäonnistui","Upload in progress":"Lähetys käynnissä","Vertical text alignment toolbar":"",White:"Valkoinen",Width:"","Wrap text":"",Yellow:"Keltainen"}),i.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/fr.js b/frontend/src/vendor/ckeditor/translations/fr.js
new file mode 100644
index 0000000000..6ae378fcc5
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/fr.js
@@ -0,0 +1 @@
+!function(e){const l=e.fr=e.fr||{};l.dictionary=Object.assign(l.dictionary||{},{"%0 of %1":"%0 sur %1","Align cell text to the bottom":"Aligner le texte en bas","Align cell text to the center":"Aligner la cellule au centre","Align cell text to the left":"Aligner la cellule à gauche","Align cell text to the middle":"Aligner le texte au milieu","Align cell text to the right":"Aligner la cellule à droite","Align cell text to the top":"Aligner le texte en haut","Align table to the left":"Aligner le tableau à gauche","Align table to the right":"Aligner le tableau à droite",Alignment:"Alignement",Aquamarine:"Bleu vert",Background:"Fond",Black:"Noir","Block quote":"Citation",Blue:"Bleu",Bold:"Gras",Border:"Bordure","Break text":"","Bulleted List":"Liste à puces",Cancel:"Annuler","Cannot upload file:":"Envoi du fichier échoué :","Cell properties":"Propriétés de la cellule","Center table":"Centrer le tableau ","Centered image":"Image centrée","Change image text alternative":"Changer le texte alternatif à l’image","Choose heading":"Choisir l'en-tête",Code:"Code",Color:"Couleur","Color picker":"Pipette à couleurs",Column:"Colonne",Dashed:"Tirets","Delete column":"Supprimer la colonne","Delete row":"Supprimer la ligne","Dim grey":"Gris pâle",Dimensions:"Dimensions",Dotted:"Pointillés",Double:"Double",Downloadable:"Fichier téléchargeable","Dropdown toolbar":"Barre d'outils dans un menu déroulant","Edit block":"Modifier le bloc","Edit link":"Modifier le lien","Editor toolbar":"Barre d'outils de l'éditeur","Enter image caption":"Saisir la légende de l’image","Full size image":"Image taille réelle",Green:"Vert",Grey:"Gris",Groove:"Rainuré","Header column":"Colonne d'entête","Header row":"Ligne d'entête",Heading:"En-tête","Heading 1":"Titre 1","Heading 2":"Titre 2","Heading 3":"Titre 3","Heading 4":"Titre 4","Heading 5":"Titre 5","Heading 6":"Titre 6",Height:"Hauteur","Horizontal text alignment toolbar":"Barre d'outils pour modifier l'alignement horizontal du texte","Image resize list":"Liste des tailles d'images","Image toolbar":"Barre d'outils des images","image widget":"Objet image","In line":"","Insert column left":"Insérer une colonne à gauche","Insert column right":"Insérer une colonne à droite","Insert image":"Insérer une image","Insert paragraph after block":"Insérer du texte après ce bloc","Insert paragraph before block":"Insérer du texte avant ce bloc","Insert row above":"Insérer une ligne au-dessus","Insert row below":"Insérer une ligne en-dessous","Insert table":"Insérer un tableau",Inset:"Relief intérieur",Italic:"Italique","Justify cell text":"Justifier le contenu de la cellule","Left aligned image":"Image alignée à gauche","Light blue":"Bleu clair","Light green":"Vert clair","Light grey":"Gris clair",Link:"Lien","Link URL":"URL du lien","Merge cell down":"Fusionner la cellule en-dessous","Merge cell left":"Fusionner la cellule à gauche","Merge cell right":"Fusionner la cellule à droite","Merge cell up":"Fusionner la cellule au-dessus","Merge cells":"Fusionner les cellules",Next:"Suivant",None:"Aucun","Numbered List":"Liste numérotée","Open in a new tab":"Ouvrir dans un nouvel onglet","Open link in new tab":"Ouvrir le lien dans un nouvel onglet",Orange:"Orange",Original:"Taille originale",Outset:"Relief extérieur",Padding:"Remplissage pour aérer le texte",Paragraph:"Paragraphe",Previous:"Précedent",Purple:"Violet",Red:"Rouge",Redo:"Restaurer","Remove color":"Enlever la couleur","Resize image":"Redimensionner l'image","Resize image to %0":"Redimensionner à %0","Resize image to the original size":"Appliquer les dimensions d'origine","Restore default":"","Rich Text Editor":"Éditeur de texte enrichi","Rich Text Editor, %0":"Éditeur de texte enrichi, %0",Ridge:"Relief","Right aligned image":"Image alignée à droite",Row:"Ligne",Save:"Enregistrer","Select all":"Sélectionner tout","Select column":"Sélectionner la colonne","Select row":"Sélectionner la ligne","Show more items":"Montrer plus d'éléments","Side image":"Image latérale",Solid:"Continu","Split cell horizontally":"Scinder la cellule horizontalement","Split cell vertically":"Scinder la cellule verticalement",Strikethrough:"Barré",Style:"Style","Table alignment toolbar":"Barre d'outils pour modifier l'alignement du tableau","Table cell text alignment":"Alignement du texte de la cellule","Table properties":"Propriétés du tableau","Table toolbar":"Barre d'outils des tableaux","Text alternative":"Texte alternatif",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'La couleur est invalide. Essayez "#FF0000" ou "rgb(255,0,0)" ou "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'La valeur est invalide. Essayez "10px" ou "2em" ou simplement "2".',"This link has no URL":"Ce lien n'a pas d'URL","To-do List":"Liste de tâches","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turquoise",Undo:"Annuler",Unlink:"Supprimer le lien","Upload failed":"Échec de l'envoi","Upload in progress":"Téléchargement en cours","Vertical text alignment toolbar":"Barre d'outils pour modifier l'alignement vertical du texte",White:"Blanc","Widget toolbar":"Barre d'outils du widget",Width:"Largeur","Wrap text":"",Yellow:"Jaune"}),l.getPluralForm=function(e){return e>1}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/gl.js b/frontend/src/vendor/ckeditor/translations/gl.js
new file mode 100644
index 0000000000..cd5e0984e8
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/gl.js
@@ -0,0 +1 @@
+!function(e){const a=e.gl=e.gl||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"%0 de %1","Align cell text to the bottom":"Aliñar o texto da cela á base","Align cell text to the center":"Aliñar o texto da cela ao centro","Align cell text to the left":"Aliñar o texto da cela á esquerda","Align cell text to the middle":"Aliñar o texto da cela ao medio","Align cell text to the right":"Aliña o texto da cela á dereita","Align cell text to the top":"Aliñar o texto da cela á parte superior","Align table to the left":"Aliñar a táboa á esquerda","Align table to the right":"Aliñar a táboa á dereita",Alignment:"Aliñamento",Aquamarine:"Augamariña",Background:"Fondo",Black:"Negro","Block quote":"Cita de bloque",Blue:"Azul",Bold:"Negra",Border:"Bordo","Break text":"Romper o texto","Bulleted List":"Lista con viñetas",Cancel:"Cancelar","Cannot upload file:":"Non é posíbel cargar o ficheiro:","Cell properties":"Propiedades da cela","Center table":"Centrar a táboa","Centered image":"Imaxe centrada horizontalmente","Change image text alternative":"Cambiar o texto alternativo da imaxe","Choose heading":"Escolla o título",Code:"Código",Color:"Cor","Color picker":"Selector de cores",Column:"Columna",Dashed:"Raiado","Delete column":"Eliminar columna","Delete row":"Eliminar fila","Dim grey":"Gris fume",Dimensions:"Dimensións",Dotted:"Punteado",Double:"Dobre",Downloadable:"Descargábel","Dropdown toolbar":"Barra de ferramentas despregábel","Edit block":"Editar bloque","Edit link":"Editar a ligazón","Editor toolbar":"Barra de ferramentas do editor","Enter image caption":"Introduza o título da imaxe","Full size image":"Imaxe a tamaño completo",Green:"Verde",Grey:"Gris",Groove:"Rañura","Header column":"Cabeceira de columna","Header row":"Cabeceira de fila",Heading:"Título","Heading 1":"Título 1","Heading 2":"Título 2","Heading 3":"Título 3","Heading 4":"Título 4","Heading 5":"Título 5","Heading 6":"Título 6",Height:"Alto","Horizontal text alignment toolbar":"Barra de ferramentas de aliñamento de texto horizontal","Image resize list":"Lista de tamaños de imaxe","Image toolbar":"Barra de ferramentas de imaxe","image widget":"Trebello de imaxe","In line":"En liña","Insert column left":"Inserir columna á esquerda","Insert column right":"Inserir columna á dereita","Insert image":"Inserir imaxe","Insert paragraph after block":"Inserir parágrafo após o bloque","Insert paragraph before block":"Inserir parágrafo antes do bloque","Insert row above":"Inserir fila enriba","Insert row below":"Inserir fila embaixo","Insert table":"Inserir táboa",Inset:"Inserción",Italic:"Itálica","Justify cell text":"Xustificar o texto da cela","Left aligned image":"Imaxe aliñada á esquerda","Light blue":"Azul claro","Light green":"Verde claro","Light grey":"Gris claro",Link:"Ligar","Link URL":"URL de ligazón","Merge cell down":"Combinar cela cara  abaixo","Merge cell left":"Combinar cela cara a esquerda","Merge cell right":"Combinar cela cara a dereita","Merge cell up":"Combinar cela cara arriba","Merge cells":"Combinar celas",Next:"Seguinte",None:"Ningún","Numbered List":"Lista numerada","Open in a new tab":"Abrir nunha nova lapela","Open link in new tab":"Abrir a ligazón nunha nova lapela",Orange:"Laranxa",Original:"Orixinal",Outset:"Inicio",Padding:"Recheo",Paragraph:"Parágrafo",Previous:"Anterior",Purple:"Púrpura",Red:"Vermello",Redo:"Refacer","Remove color":"Retirar a cor","Resize image":"Redimensionar a imaxe","Resize image to %0":"Redimensionar a imaxe ao %0","Resize image to the original size":"Aplicar o tamaño orixinal da imaxe","Restore default":"Restaurar valores predeterminados","Rich Text Editor":"Editor de texto mellorado","Rich Text Editor, %0":"Editor de texto mellorado, %0",Ridge:"Crista","Right aligned image":"Imaxe aliñada á dereita",Row:"Fila",Save:"Gardar","Select all":"Seleccionar todo","Select column":"Seleccionar columna","Select row":"Seleccionar fila","Show more items":"Amosar máis elementos","Side image":"Lado da imaxe",Solid:"Sólido","Split cell horizontally":"Dividir cela en horizontal","Split cell vertically":"Dividir cela en vertical",Strikethrough:"Riscado",Style:"Estilo","Table alignment toolbar":"Barra de ferramentas de aliñamento da táboa","Table cell text alignment":"Aliñamento do texto das celas da táboa","Table properties":"Propiedades da táboa","Table toolbar":"Barra de ferramentas de táboas","Text alternative":"Texto alternativo",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"A cor non é válida. Probe «#FF0000» ou «rgb(255,0,0)» ou «vermello».",'The value is invalid. Try "10px" or "2em" or simply "2".':"O valor non é válido. Probe «10px» ou «2em» ou simplemente «2».","This link has no URL":"Esta ligazón non ten URL","To-do List":"Lista de cousas por facer","Toggle caption off":"Desactivar os subtítulos","Toggle caption on":"Activar os subtítulos",Turquoise:"Turquesa",Undo:"Desfacer",Unlink:"Desligar","Upload failed":"Fallou o envío","Upload in progress":"Envío en proceso","Vertical text alignment toolbar":"Barra de ferramentas de aliñamento de texto vertical",White:"Branco","Widget toolbar":"Barra de ferramentas de trebellos",Width:"Largo","Wrap text":"Envolver o texto",Yellow:"Amarelo"}),a.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/gu.js b/frontend/src/vendor/ckeditor/translations/gu.js
new file mode 100644
index 0000000000..3d12b70293
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/gu.js
@@ -0,0 +1 @@
+!function(o){const n=o.gu=o.gu||{};n.dictionary=Object.assign(n.dictionary||{},{"Block quote":" વિચાર ટાંકો",Bold:"ઘાટુ - બોલ્ડ્","Cannot upload file:":"ફાઇલ અપલોડ ન થઇ શકી",Code:"",Italic:"ત્રાંસુ - ઇટલિક્",Strikethrough:""}),n.getPluralForm=function(o){return 1!=o}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/he.js b/frontend/src/vendor/ckeditor/translations/he.js
new file mode 100644
index 0000000000..0c6340cd50
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/he.js
@@ -0,0 +1 @@
+!function(e){const i=e.he=e.he||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"%0 מתוך %1",Aquamarine:"",Black:"","Block quote":"בלוק ציטוט",Blue:"",Bold:"מודגש","Break text":"","Bulleted List":"רשימה מנוקדת",Cancel:"ביטול","Cannot upload file:":"לא ניתן להעלות את הקובץ הבא:","Centered image":"תמונה ממרוכזת","Change image text alternative":"שינוי טקסט אלטרנטיבי לתמונה","Choose heading":"בחר סוג כותרת",Code:"קוד","Dim grey":"",Downloadable:"","Dropdown toolbar":"סרגל כלים נפתח","Edit block":"הגדרות בלוק","Edit link":"עריכת קישור","Editor toolbar":"סרגל הכלים","Enter image caption":"הזן כותרת תמונה","Full size image":"תמונה בפריסה מלאה",Green:"",Grey:"",Heading:"כותרת","Heading 1":"כותרת 1","Heading 2":"כותרת 2","Heading 3":"כותרת 3","Heading 4":"כותרת 4","Heading 5":"כותרת 5","Heading 6":"כותרת 6","Image resize list":"","Image toolbar":"סרגל תמונה","image widget":"תמונה","In line":"","Insert image":"הוספת תמונה","Insert paragraph after block":"","Insert paragraph before block":"",Italic:"נטוי","Left aligned image":"תמונה מיושרת לשמאל","Light blue":"","Light green":"","Light grey":"",Link:"קישור","Link URL":"קישור כתובת אתר",Next:"הבא","Numbered List":"רשימה ממוספרת","Open in a new tab":"","Open link in new tab":"פתח קישור בכרטיסייה חדשה",Orange:"",Original:"",Paragraph:"פיסקה",Previous:"הקודם",Purple:"",Red:"",Redo:"ביצוע מחדש","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"עורך טקסט עשיר","Rich Text Editor, %0":"עורך טקסט עשיר, %0","Right aligned image":"תמונה מיושרת לימין",Save:"שמירה","Show more items":"הצד פריטים נוספים","Side image":"תמונת צד",Strikethrough:"קו חוצה","Text alternative":"טקסט אלטרנטיבי","This link has no URL":"לקישור זה אין כתובת אתר","To-do List":"רשימת מטלות",Turquoise:"",Undo:"ביטול",Unlink:"ביטול קישור","Upload failed":"העלאה נכשלה","Upload in progress":"העלאה מתבצעת",White:"","Widget toolbar":"סרגל יישומון","Wrap text":"",Yellow:""}),i.getPluralForm=function(e){return 1==e&&e%1==0?0:2==e&&e%1==0?1:e%10==0&&e%1==0&&e>10?2:3}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/hi.js b/frontend/src/vendor/ckeditor/translations/hi.js
new file mode 100644
index 0000000000..ce3bbcd894
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/hi.js
@@ -0,0 +1 @@
+!function(e){const t=e.hi=e.hi||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 of %1","Align cell text to the bottom":"Align cell text to the bottom","Align cell text to the center":"Align cell text to the center","Align cell text to the left":"Align cell text to the left","Align cell text to the middle":"Align cell text to the middle","Align cell text to the right":"Align cell text to the right","Align cell text to the top":"Align cell text to the top","Align table to the left":"Align table to the left","Align table to the right":"Align table to the right",Alignment:"Alignment",Aquamarine:"Aquamarine",Background:"Background",Black:"Black","Block quote":"Block quote",Blue:"Blue",Bold:"Bold",Border:"Border","Break text":"","Bulleted List":"Bulleted List",Cancel:"Cancel","Cannot upload file:":"Cannot upload file:","Cell properties":"Cell properties","Center table":"Center table","Centered image":"Centered image","Change image text alternative":"Change image text alternative","Choose heading":"Choose heading",Code:"Code",Color:"Color","Color picker":"Color picker",Column:"Column",Dashed:"Dashed","Delete column":"Delete column","Delete row":"Delete row","Dim grey":"Dim grey",Dimensions:"Dimensions",Dotted:"Dotted",Double:"Double",Downloadable:"Downloadable","Dropdown toolbar":"Dropdown toolbar","Edit block":"Edit block","Edit link":"Edit link","Editor toolbar":"Editor toolbar","Enter image caption":"Enter image caption","Full size image":"Full size image",Green:"Green",Grey:"Grey",Groove:"Groove","Header column":"Header column","Header row":"Header row",Heading:"Heading","Heading 1":"Heading 1","Heading 2":"Heading 2","Heading 3":"Heading 3","Heading 4":"Heading 4","Heading 5":"Heading 5","Heading 6":"Heading 6",Height:"Height","Horizontal text alignment toolbar":"Horizontal text alignment toolbar","Image resize list":"Image resize list","Image toolbar":"Image toolbar","image widget":"image widget","In line":"","Insert column left":"Insert column left","Insert column right":"Insert column right","Insert image":"Insert image","Insert paragraph after block":"Insert paragraph after block","Insert paragraph before block":"Insert paragraph before block","Insert row above":"Insert row above","Insert row below":"Insert row below","Insert table":"Insert table",Inset:"Inset",Italic:"Italic","Justify cell text":"Justify cell text","Left aligned image":"Left aligned image","Light blue":"Light blue","Light green":"Light green","Light grey":"Light grey",Link:"Link","Link URL":"Link URL","Merge cell down":"Merge cell down","Merge cell left":"Merge cell left","Merge cell right":"Merge cell right","Merge cell up":"Merge cell up","Merge cells":"Merge cells",Next:"Next",None:"None","Numbered List":"Numbered List","Open in a new tab":"Open in a new tab","Open link in new tab":"Open link in new tab",Orange:"Orange",Original:"Original",Outset:"Outset",Padding:"Padding",Paragraph:"Paragraph",Previous:"Previous",Purple:"Purple",Red:"Red",Redo:"Redo","Remove color":"Remove color","Resize image":"Resize image","Resize image to %0":"Resize image to %0","Resize image to the original size":"Resize image to the original size","Restore default":"","Rich Text Editor":"Rich Text Editor","Rich Text Editor, %0":"Rich Text Editor, %0",Ridge:"Ridge","Right aligned image":"Right aligned image",Row:"Row",Save:"Save","Select all":"Select all","Select column":"Select column","Select row":"Select row","Show more items":"Show more items","Side image":"Side image",Solid:"Solid","Split cell horizontally":"Split cell horizontally","Split cell vertically":"Split cell vertically",Strikethrough:"Strikethrough",Style:"Style","Table alignment toolbar":"Table alignment toolbar","Table cell text alignment":"Table cell text alignment","Table properties":"Table properties","Table toolbar":"Table toolbar","Text alternative":"Text alternative",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'The value is invalid. Try "10px" or "2em" or simply "2".',"This link has no URL":"This link has no URL","To-do List":"To-do List","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turquoise",Undo:"Undo",Unlink:"Unlink","Upload failed":"Upload failed","Upload in progress":"Upload in progress","Vertical text alignment toolbar":"Vertical text alignment toolbar",White:"White","Widget toolbar":"Widget toolbar",Width:"Width","Wrap text":"",Yellow:"Yellow"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/hr.js b/frontend/src/vendor/ckeditor/translations/hr.js
new file mode 100644
index 0000000000..a750a8b6f4
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/hr.js
@@ -0,0 +1 @@
+!function(e){const a=e.hr=e.hr||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"%0 od %1","Align cell text to the bottom":"Tekst ćelije poravnaj prema dolje","Align cell text to the center":"Tekst ćelije poravnaj u sredinu","Align cell text to the left":"Tekst ćelije poravnaj lijevo","Align cell text to the middle":"Tekst ćelije poravnaj u sredinu","Align cell text to the right":"Tekst ćelije poravnaj udesno","Align cell text to the top":"Tekst ćelije poravnaj prema gore","Align table to the left":"Poravnaj tablicu ulijevo","Align table to the right":"Poravnaj tablicu udesno",Alignment:"Poravnanje",Aquamarine:"Akvamarin",Background:"Pozadina",Black:"Crna","Block quote":"Blok citat",Blue:"Plava",Bold:"Podebljano",Border:"Granica","Break text":"","Bulleted List":"Obična lista",Cancel:"Poništi","Cannot upload file:":"Datoteku nije moguće poslati:","Cell properties":"Svojstva ćelije","Center table":"Centriraj tablicu","Centered image":"Centrirana slika","Change image text alternative":"Promijeni alternativni tekst slike","Choose heading":"Odaberite naslov",Code:"Kod",Color:"Boja","Color picker":"Birač boje",Column:"Kolona",Dashed:"Crtičasta","Delete column":"Obriši kolonu","Delete row":"Obriši red","Dim grey":"Tamnosiva",Dimensions:"Dimenzije",Dotted:"Točkasta",Double:"Dvostruka",Downloadable:"Moguće preuzeti","Dropdown toolbar":"Traka padajućeg izbornika","Edit block":"Uredi blok","Edit link":"Uredi vezu","Editor toolbar":"Traka uređivača","Enter image caption":"Unesite naslov slike","Full size image":"Slika pune veličine",Green:"Zelena",Grey:"Siva",Groove:"","Header column":"Kolona zaglavlja","Header row":"Red zaglavlja",Heading:"Naslov","Heading 1":"Naslov 1","Heading 2":"Naslov 2","Heading 3":"Naslov 3","Heading 4":"Naslov 4","Heading 5":"Naslov 5","Heading 6":"Naslov 6",Height:"Visina","Horizontal text alignment toolbar":"Alatna traka za horizontalno poravnanje teksta","Image resize list":"","Image toolbar":"Traka za slike","image widget":"Slika widget","In line":"","Insert column left":"Umetni stupac lijevo","Insert column right":"Umetni stupac desno","Insert image":"Umetni sliku","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Ubaci red iznad","Insert row below":"Ubaci red ispod","Insert table":"Ubaci tablicu",Inset:"",Italic:"Ukošeno","Justify cell text":"Razvuci tekst ćelije","Left aligned image":"Lijevo poravnata slika","Light blue":"Svijetloplava","Light green":"Svijetlozelena","Light grey":"Svijetlosiva",Link:"Veza","Link URL":"URL veze","Merge cell down":"Spoji ćelije prema dolje","Merge cell left":"Spoji ćelije prema lijevo","Merge cell right":"Spoji ćelije prema desno","Merge cell up":"Spoji ćelije prema gore","Merge cells":"Spoji ćelije",Next:"Sljedeći",None:"Nikakva","Numbered List":"Brojčana lista","Open in a new tab":"Otvori u novoj kartici","Open link in new tab":"Otvori vezu u novoj kartici",Orange:"Narančasta",Original:"",Outset:"",Padding:"Podstava",Paragraph:"Paragraf",Previous:"Prethodni",Purple:"Ljubičasta",Red:"Crvena",Redo:"Ponovi","Remove color":"Ukloni boju","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Rich Text Editor","Rich Text Editor, %0":"Rich Text Editor, %0",Ridge:"Greben","Right aligned image":"Slika poravnata desno",Row:"Red",Save:"Snimi","Select all":"Odaberi sve","Select column":"Odaberi stupac","Select row":"Odaberi redak","Show more items":"Prikaži više stavaka","Side image":"Slika sa strane",Solid:"Neprekidna","Split cell horizontally":"Razdvoji ćeliju vodoravno","Split cell vertically":"Razdvoji ćeliju okomito",Strikethrough:"Precrtano",Style:"Stil","Table alignment toolbar":"Alatna traka za poravnanje tablice","Table cell text alignment":"Poravnanje teksta ćelije tablice","Table properties":"Svojstva tablice","Table toolbar":"Traka za tablice","Text alternative":"Alternativni tekst",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Neispravna boja. Pokušajte "#FF0000" ili "rgb(255,0,0)" ili "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Neispravna vrijednost. Pokušajte "10px" ili "2em" ili jednostavno "2".',"This link has no URL":"Ova veza nema URL","To-do List":"Lista zadataka za obaviti","Toggle caption off":"","Toggle caption on":"",Turquoise:"Tirkizna",Undo:"Poništi",Unlink:"Ukloni vezu","Upload failed":"Slanje nije uspjelo","Upload in progress":"Slanje u tijeku","Vertical text alignment toolbar":"Alatna traka za vertikalno poravnanje teksta",White:"Bijela","Widget toolbar":"Traka sa spravicama",Width:"Širina","Wrap text":"",Yellow:"Žuta"}),a.getPluralForm=function(e){return e%10==1&&e%100!=11?0:e%10>=2&&e%10<=4&&(e%100<10||e%100>=20)?1:2}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/hu.js b/frontend/src/vendor/ckeditor/translations/hu.js
new file mode 100644
index 0000000000..e29f50ac04
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/hu.js
@@ -0,0 +1 @@
+!function(e){const t=e.hu=e.hu||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 / %1","Align cell text to the bottom":"Szöveg igazítása a cellában alulra","Align cell text to the center":"Szöveg igazítása a cellában középre","Align cell text to the left":"Szöveg igazítása a cellában balra","Align cell text to the middle":"Szöveg igazítása a cellában középre","Align cell text to the right":"Szöveg igazítása a cellában jobbra","Align cell text to the top":"Szöveg igazítása a cellában felülre","Align table to the left":"Tábla igazítása balra","Align table to the right":"Tábla igazítása jobbra",Alignment:"Igazítás",Aquamarine:"Kékeszöld",Background:"Háttér",Black:"Fekete","Block quote":"Idézet",Blue:"Kék",Bold:"Félkövér",Border:"Keret","Break text":"Sortörés","Bulleted List":"Pontozott lista",Cancel:"Mégsem","Cannot upload file:":"Nem sikerült a fájl feltöltése:","Cell properties":"Cella tulajdonságok","Center table":"Tábla igazítása középre","Centered image":"Középre igazított kép","Change image text alternative":"Helyettesítő szöveg módosítása","Choose heading":"Stílus megadása",Code:"Forráskód",Color:"Szín","Color picker":"Szín választása",Column:"Oszlop",Dashed:"Szaggatott","Delete column":"Oszlop törlése","Delete row":"Sor törlése","Dim grey":"Halvány szürke",Dimensions:"Méretek",Dotted:"Pontozott",Double:"Dupla",Downloadable:"Letölthető","Dropdown toolbar":"Lenyíló eszköztár","Edit block":"Blokk szerkesztése","Edit link":"Link szerkesztése","Editor toolbar":"Szerkesztő eszköztár","Enter image caption":"Képaláírás megadása","Full size image":"Teljes méretű kép",Green:"Zöld",Grey:"Szürke",Groove:"Árok","Header column":"Oszlop fejléc","Header row":"Sor fejléc",Heading:"Stílusok","Heading 1":"Címsor 1","Heading 2":"Címsor 2","Heading 3":"Címsor 3","Heading 4":"Címsor 4","Heading 5":"Címsor 5","Heading 6":"Címsor 6",Height:"Magasság","Horizontal text alignment toolbar":"Vízszintes szövegigazítási eszköztár","Image resize list":"Kép átméretezési lista","Image toolbar":"Kép eszköztár","image widget":"képmodul","In line":"Soron belül","Insert column left":"Oszlop beszúrása balra","Insert column right":"Oszlop beszúrása jobbra","Insert image":"Kép beszúrása","Insert paragraph after block":"Bekezdés beszúrása utána","Insert paragraph before block":"Bekezdés beszúrása elé","Insert row above":"Sor beszúrása fölé","Insert row below":"Sor beszúrása alá","Insert table":"Táblázat beszúrása",Inset:"Mélyített",Italic:"Dőlt","Justify cell text":"Szöveg igazítása a cellában sorkizártra","Left aligned image":"Balra igazított kép","Light blue":"Világoskék","Light green":"Világoszöld","Light grey":"Világosszürke",Link:"Link","Link URL":"URL link","Merge cell down":"Cellák egyesítése lefelé","Merge cell left":"Cellák egyesítése balra","Merge cell right":"Cellák egyesítése jobbra","Merge cell up":"Cellák egyesítése felfelé","Merge cells":"Cellaegyesítés",Next:"Következő",None:"Nincs","Numbered List":"Számozott lista","Open in a new tab":"Megnyitás új lapon","Open link in new tab":"Link megnyitása új ablakban",Orange:"Narancs",Original:"Eredeti",Outset:"Kiemelkedő",Padding:"Térköz",Paragraph:"Bekezdés",Previous:"Előző",Purple:"Lila",Red:"Piros",Redo:"Újra","Remove color":"Szín eltávolítása","Resize image":"Kép átméretezése","Resize image to %0":"Kép méretezése %0","Resize image to the original size":"Kép méretezése az eredeti méretre","Restore default":"Alapértelmezés visszaállítása","Rich Text Editor":"Bővített szövegszerkesztő","Rich Text Editor, %0":"Bővített szövegszerkesztő, %0",Ridge:"Gerinc","Right aligned image":"Jobbra igazított kép",Row:"Sor",Save:"Mentés","Select all":"Mindet kijelöl","Select column":"Oszlop kijelölése","Select row":"Sor kijelölése","Show more items":"További elemek","Side image":"Oldalsó kép",Solid:"Tömör","Split cell horizontally":"Cella felosztása vízszintesen","Split cell vertically":"Cella felosztása függőlegesen",Strikethrough:"Áthúzott",Style:"Stílus","Table alignment toolbar":"Táblázatigazítási eszköztár","Table cell text alignment":"Szöveg igazítása a cellában","Table properties":"Táblázat tulajdonságai","Table toolbar":"Táblázat eszköztár","Text alternative":"Helyettesítő szöveg",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'A szín érványtelen. Próbáld így "#FF0000" vagy "rgb(255,0,0)" vagy "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Az érték érvénytelen. Próbáld így "10px" vagy "2em" vagy csak egyszerűen "2".',"This link has no URL":"A link nem tartalmaz URL-t","To-do List":"Tennivaló lista","Toggle caption off":"Felirat kikapcsolása","Toggle caption on":"Felirat bekapcsolása",Turquoise:"Türkiz",Undo:"Visszavonás",Unlink:"Link eltávolítása","Upload failed":"A feltöltés nem sikerült","Upload in progress":"A feltöltés folyamatban","Vertical text alignment toolbar":"Függőleges szövegigazítási eszköztár",White:"Fehér","Widget toolbar":"Widget eszköztár",Width:"Szélesség","Wrap text":"Körbefuttatás",Yellow:"Sárga"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/id.js b/frontend/src/vendor/ckeditor/translations/id.js
new file mode 100644
index 0000000000..64fc2c3e81
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/id.js
@@ -0,0 +1 @@
+!function(a){const e=a.id=a.id||{};e.dictionary=Object.assign(e.dictionary||{},{"%0 of %1":"%0 dari %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"Biru laut",Background:"Latar belakang",Black:"Hitam","Block quote":"Kutipan",Blue:"Biru",Bold:"Tebal",Border:"Garis batas","Break text":"Pecahkan teks","Bulleted List":"Daftar Tak Berangka",Cancel:"Batal","Cannot upload file:":"Tidak dapat mengunggah berkas:","Cell properties":"Properti sel","Center table":"","Centered image":"Gambar rata tengah","Change image text alternative":"Ganti alternatif teks gambar","Choose heading":"Pilih tajuk",Code:"Kode",Color:"Warna","Color picker":"",Column:"Kolom",Dashed:"Garis putus-putus","Delete column":"Hapus kolom","Delete row":"Hapus baris","Dim grey":"Kelabu gelap",Dimensions:"Dimensi",Dotted:"Titik titik",Double:"Ganda",Downloadable:"Dapat diunduh","Dropdown toolbar":"Alat dropdown","Edit block":"Sunting blok","Edit link":"Sunting tautan","Editor toolbar":"Alat editor","Enter image caption":"Tambahkan deskripsi gambar","Full size image":"Gambar ukuran penuh",Green:"Hijau",Grey:"Kelabu",Groove:"","Header column":"Kolom tajuk","Header row":"Baris tajuk",Heading:"Tajuk","Heading 1":"Tajuk 1","Heading 2":"Tajuk 2","Heading 3":"Tajuk 3","Heading 4":"Tajuk 4","Heading 5":"Tajuk 5","Heading 6":"Tajuk 6",Height:"Tinggi","Horizontal text alignment toolbar":"","Image resize list":"Daftar ukuran gambar","Image toolbar":"Alat gambar","image widget":"widget gambar","In line":"Sebaris","Insert column left":"Sisipkan kolom ke kiri","Insert column right":"Sisipkan kolom ke kanan","Insert image":"Sisipkan gambar","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Sisipkan baris ke atas","Insert row below":"Sisipkan baris ke bawah","Insert table":"Sisipkan tabel",Inset:"",Italic:"Miring","Justify cell text":"","Left aligned image":"Gambar rata kiri","Light blue":"Biru terang","Light green":"Hijau terang","Light grey":"Kelabu terang",Link:"Tautan","Link URL":"URL tautan","Merge cell down":"Gabungkan sel ke bawah","Merge cell left":"Gabungkan sel ke kiri","Merge cell right":"Gabungkan sel ke kanan","Merge cell up":"Gabungkan sel ke atas","Merge cells":"Gabungkan sel",Next:"Berikutnya",None:"Tidak ada","Numbered List":"Daftar Berangka","Open in a new tab":"Buka di tab baru","Open link in new tab":"Buka tautan di tab baru",Orange:"Jingga",Original:"Asli",Outset:"",Padding:"",Paragraph:"Paragraf",Previous:"Sebelumnya",Purple:"Ungu",Red:"Merah",Redo:"Lakukan lagi","Remove color":"Hapus warna","Resize image":"Ubah ukuran gambar","Resize image to %0":"Ubah ukuran gambar ke %0","Resize image to the original size":"Ubah ukuran gambar ke ukuran asli","Restore default":"","Rich Text Editor":"Editor Teks Kaya","Rich Text Editor, %0":"Editor Teks Kaya, %0",Ridge:"","Right aligned image":"Gambar rata kanan",Row:"Baris",Save:"Simpan","Select all":"Pilih semua","Select column":"Seleksi kolom","Select row":"Seleksi baris","Show more items":"","Side image":"Gambar sisi",Solid:"Garis utuh","Split cell horizontally":"Bagikan sel secara horizontal","Split cell vertically":"Bagikan sel secara vertikal",Strikethrough:"Coret",Style:"Gaya","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"Properti tabel","Table toolbar":"Alat tabel","Text alternative":"Alternatif teks",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Warna tidak valid. Coba "#FF0000" atau "rgb(255,0,0)" atau "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Nilai tidak valid. Coba "10px" atau "2em" atau hanya "2".',"This link has no URL":"Tautan ini tidak memiliki URL","To-do List":"Daftar untuk-dikerjakan","Toggle caption off":"Sembunyikan keterangan","Toggle caption on":"Tampilkan keterangan",Turquoise:"Turkish",Undo:"Batal",Unlink:"Hapus tautan","Upload failed":"Gagal mengunggah","Upload in progress":"Sedang mengunggah","Vertical text alignment toolbar":"",White:"Putih","Widget toolbar":"Alat widget",Width:"Lebar","Wrap text":"Bungkus teks",Yellow:"Kuning"}),e.getPluralForm=function(a){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/it.js b/frontend/src/vendor/ckeditor/translations/it.js
new file mode 100644
index 0000000000..4faed51676
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/it.js
@@ -0,0 +1 @@
+!function(e){const i=e.it=e.it||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"%0 di %1","Align cell text to the bottom":"Allinea il testo della cella in basso","Align cell text to the center":"Allinea il testo della cella al centro","Align cell text to the left":"Allinea il testo della cella a sinistra","Align cell text to the middle":"Allinea il testo della cella in mezzo","Align cell text to the right":"Allinea il testo della cella a destra","Align cell text to the top":"Allinea il testo della cella in alto","Align table to the left":"Allinea tabella a sinistra","Align table to the right":"Allinea tabella a destra",Alignment:"Allineamento",Aquamarine:"Aquamarina",Background:"Sfondo",Black:"Nero","Block quote":"Blocco citazione",Blue:"Blu",Bold:"Grassetto",Border:"Bordo","Break text":"Interrompi testo","Bulleted List":"Elenco puntato",Cancel:"Annulla","Cannot upload file:":"Impossibile caricare il file:","Cell properties":"Proprietà cella","Center table":"Allinea tabella al centro","Centered image":"Immagine centrata","Change image text alternative":"Cambia testo alternativo dell'immagine","Choose heading":"Seleziona intestazione",Code:"Codice",Color:"Colore","Color picker":"Selezione colore",Column:"Colonna",Dashed:"Tratteggiato","Delete column":"Elimina colonna","Delete row":"Elimina riga","Dim grey":"Grigio tenue",Dimensions:"Dimensioni",Dotted:"Punteggiato",Double:"Doppio",Downloadable:"Scaricabile","Dropdown toolbar":"Barra degli strumenti del menu a discesa","Edit block":"Modifica blocco","Edit link":"Modifica collegamento","Editor toolbar":"Barra degli strumenti dell'editor","Enter image caption":"inserire didascalia dell'immagine","Full size image":"Immagine a dimensione intera",Green:"Verde",Grey:"Grigio",Groove:"Scanalatura","Header column":"Intestazione colonna","Header row":"Riga d'intestazione",Heading:"Intestazione","Heading 1":"Intestazione 1","Heading 2":"Intestazione 2","Heading 3":"Intestazione 3","Heading 4":"Intestazione 4","Heading 5":"Intestazione 5","Heading 6":"Intestazione 6",Height:"Altezza","Horizontal text alignment toolbar":"Barra degli strumenti dell'allineamento orizzontale del testo","Image resize list":"Elenco ridimensionamenti immagine","Image toolbar":"Barra degli strumenti dell'immagine","image widget":"Widget immagine","In line":"In linea","Insert column left":"Inserisci colonna a sinistra","Insert column right":"Inserisci colonna a destra","Insert image":"Inserisci immagine","Insert paragraph after block":"Inserisci paragrafo dopo blocco","Insert paragraph before block":"Inserisci paragrafo prima di blocco","Insert row above":"Inserisci riga sopra","Insert row below":"Inserisci riga sotto","Insert table":"Inserisci tabella",Inset:"Incassato",Italic:"Corsivo","Justify cell text":"Testo della cella giustificato","Left aligned image":"Immagine allineata a sinistra","Light blue":"Azzurro","Light green":"Verde chiaro","Light grey":"Grigio chiaro",Link:"Collegamento","Link URL":"URL del collegamento","Merge cell down":"Unisci cella sotto","Merge cell left":"Unisci cella a sinistra","Merge cell right":"Unisci cella a destra","Merge cell up":"Unisci cella sopra","Merge cells":"Unisci celle",Next:"Avanti",None:"Nessuno","Numbered List":"Elenco numerato","Open in a new tab":"Apri in una nuova scheda","Open link in new tab":"Apri collegamento in nuova scheda",Orange:"Arancio",Original:"Originale",Outset:"Rialzato",Padding:"Spaziatura interna",Paragraph:"Paragrafo",Previous:"Indietro",Purple:"Porpora",Red:"Rosso",Redo:"Ripristina","Remove color":"Rimuovi colore","Resize image":"Ridimensiona immagine","Resize image to %0":"Ridimensiona immagine a %0","Resize image to the original size":"Ridimensiona immagine alle dimensioni originali","Restore default":"Ripristina predefinito","Rich Text Editor":"Editor di testo formattato","Rich Text Editor, %0":"Editor di testo formattato, %0",Ridge:"Rilievo","Right aligned image":"Immagine allineata a destra",Row:"Riga",Save:"Salva","Select all":"Seleziona tutto","Select column":"Seleziona colonna","Select row":"Seleziona riga","Show more items":"Mostra più elementi","Side image":"Immagine laterale",Solid:"Solido","Split cell horizontally":"Dividi cella orizzontalmente","Split cell vertically":"Dividi cella verticalmente",Strikethrough:"Barrato",Style:"Stile","Table alignment toolbar":"Barra degli strumenti dell'allineamento della tabella","Table cell text alignment":"Allineamento del testo nella cella della tabella","Table properties":"Proprietà tabella","Table toolbar":"Barra degli strumenti della tabella","Text alternative":"Testo alternativo",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Il colore non è valido. Provare "#FF0000" o "rgb(255,0,0)" o "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Il valore non è valido. Provare "10px" o "2em" o semplicemente "2".',"This link has no URL":"Questo collegamento non ha un URL","To-do List":"Elenco cose da fare","Toggle caption off":"Attiva didascalia","Toggle caption on":"Disattiva didascalia",Turquoise:"Turchese",Undo:"Annulla",Unlink:"Elimina collegamento","Upload failed":"Caricamento fallito","Upload in progress":"Caricamento in corso","Vertical text alignment toolbar":"Barra degli strumenti dell'allineamento verticale del testo",White:"Bianco","Widget toolbar":"Barra degli strumenti del widget",Width:"Larghezza","Wrap text":"Testo a capo",Yellow:"Giallo"}),i.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ja.js b/frontend/src/vendor/ckeditor/translations/ja.js
new file mode 100644
index 0000000000..2f222fc9da
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ja.js
@@ -0,0 +1 @@
+!function(e){const t=e.ja=e.ja||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"薄い青緑",Background:"",Black:"黒","Block quote":"ブロッククオート(引用)",Blue:"青",Bold:"ボールド",Border:"","Break text":"","Bulleted List":"箇条書きリスト",Cancel:"キャンセル","Cannot upload file:":"ファイルをアップロードできません:","Cell properties":"","Center table":"","Centered image":"中央寄せ画像","Change image text alternative":"画像の代替テキストを変更","Choose heading":"見出しを選択",Code:"コード",Color:"","Color picker":"",Column:"列",Dashed:"","Delete column":"列を削除","Delete row":"行を削除","Dim grey":"暗い灰色",Dimensions:"",Dotted:"",Double:"",Downloadable:"ダウンロード可能","Dropdown toolbar":"","Edit block":"","Edit link":"リンクを編集","Editor toolbar":"","Enter image caption":"画像の注釈を入力","Full size image":"フルサイズ画像",Green:"緑",Grey:"灰色",Groove:"","Header column":"見出し列","Header row":"見出し行",Heading:"見出し","Heading 1":"見出し1","Heading 2":"見出し2","Heading 3":"見出し3 ","Heading 4":"見出し4","Heading 5":"見出し5","Heading 6":"見出し6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"画像サイズリスト","Image toolbar":"画像","image widget":"画像ウィジェット","In line":"","Insert column left":"","Insert column right":"","Insert image":"画像挿入","Insert paragraph after block":"ブロックの後にパラグラフを挿入","Insert paragraph before block":"ブロックの前にパラグラフを挿入","Insert row above":"上に行を挿入","Insert row below":"下に行を挿入","Insert table":"表の挿入",Inset:"",Italic:"イタリック","Justify cell text":"","Left aligned image":"左寄せ画像","Light blue":"明るい青","Light green":"明るい緑","Light grey":"明るい灰色",Link:"リンク","Link URL":"リンクURL","Merge cell down":"下のセルと結合","Merge cell left":"左のセルと結合","Merge cell right":"右のセルと結合","Merge cell up":"上のセルと結合","Merge cells":"セルを結合",Next:"",None:"","Numbered List":"番号付きリスト","Open in a new tab":"新しいタブで開く","Open link in new tab":"新しいタブでリンクを開く",Orange:"オレンジ",Original:"オリジナル",Outset:"",Padding:"",Paragraph:"段落",Previous:"",Purple:"紫",Red:"赤",Redo:"やり直し","Remove color":"カラーを削除","Resize image":"画像サイズ","Resize image to %0":"画像サイズを%0に変更","Resize image to the original size":"画像サイズを元のサイズに変更","Restore default":"","Rich Text Editor":"リッチテキストエディター","Rich Text Editor, %0":"リッチテキストエディター, %0",Ridge:"","Right aligned image":"右寄せ画像",Row:"行",Save:"保存","Select all":"すべて選択","Select column":"","Select row":"","Show more items":"","Side image":"サイドイメージ",Solid:"","Split cell horizontally":"縦にセルを分離","Split cell vertically":"横にセルを分離",Strikethrough:"取り消し線",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"代替テキスト",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"リンクにURLが設定されていません","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"水色",Undo:"元に戻す",Unlink:"リンク解除","Upload failed":"アップロード失敗","Upload in progress":"アップロード中","Vertical text alignment toolbar":"",White:"白","Widget toolbar":"ウィジェットツールバー",Width:"","Wrap text":"",Yellow:"黄"}),t.getPluralForm=function(e){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/km.js b/frontend/src/vendor/ckeditor/translations/km.js
new file mode 100644
index 0000000000..5cefb9a5bb
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/km.js
@@ -0,0 +1 @@
+!function(e){const i=e.km=e.km||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"",Aquamarine:"",Black:"","Block quote":"ប្លុក​ពាក្យ​សម្រង់",Blue:"",Bold:"ដិត","Break text":"","Bulleted List":"បញ្ជី​ជា​ចំណុច",Cancel:"បោះបង់","Cannot upload file:":"មិនអាច​អាប់ឡូត​ឯកសារ៖","Centered image":"","Change image text alternative":"","Choose heading":"ជ្រើសរើស​ក្បាលអត្ថបទ",Code:"កូដ","Dim grey":"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"","Editor toolbar":"","Enter image caption":"បញ្ចូល​ពាក្យ​ពណ៌នា​រូបភាព","Full size image":"រូបភាព​ពេញ​ទំហំ",Green:"",Grey:"",Heading:"ក្បាលអត្ថបទ","Heading 1":"ក្បាលអត្ថបទ 1","Heading 2":"ក្បាលអត្ថបទ 2","Heading 3":"ក្បាលអត្ថបទ 3","Heading 4":"","Heading 5":"","Heading 6":"","Image resize list":"","Image toolbar":"","image widget":"វិដជិត​រូបភាព","In line":"","Insert image":"បញ្ចូល​រូបភាព",Italic:"ទ្រេត","Left aligned image":"","Light blue":"","Light green":"","Light grey":"",Link:"តំណ","Link URL":"URL តំណ",Next:"","Numbered List":"បញ្ជី​ជា​លេខ","Open in a new tab":"","Open link in new tab":"",Orange:"",Original:"",Paragraph:"កថាខណ្ឌ",Previous:"",Purple:"",Red:"",Redo:"ធ្វើ​វិញ","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"កម្មវិធី​កែសម្រួល​អត្ថបទ​សម្បូរបែប","Rich Text Editor, %0":"កម្មវិធី​កែសម្រួល​អត្ថបទ​សម្បូរបែប, %0","Right aligned image":"",Save:"រក្សាទុ","Show more items":"","Side image":"រូបភាព​នៅ​ខាង",Strikethrough:"ឆូតកណ្ដាល","Text alternative":"","This link has no URL":"","To-do List":"",Turquoise:"",Undo:"លែង​ធ្វើ​វិញ",Unlink:"ផ្ដាច់​តំណ","Upload failed":"អាប់ឡូត​មិនបាន",White:"","Wrap text":"",Yellow:""}),i.getPluralForm=function(e){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/kn.js b/frontend/src/vendor/ckeditor/translations/kn.js
new file mode 100644
index 0000000000..1bf20e34e5
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/kn.js
@@ -0,0 +1 @@
+!function(e){const i=e.kn=e.kn||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"",Aquamarine:"",Black:"","Block quote":"‍‍‍‍ಗುರುತಿಸಲಾದ ‍‍ಉಲ್ಲೇಖ",Blue:"",Bold:"‍‍ದಪ್ಪ","Break text":"","Bulleted List":"‍‍ಬುಲೆಟ್ ಪಟ್ಟಿ",Cancel:"ರದ್ದುಮಾಡು","Centered image":"","Change image text alternative":"‍ಚಿತ್ರದ ಬದಲಿ ಪಠ್ಯ ಬದಲಾಯಿಸು","Choose heading":"ಶೀರ್ಷಿಕೆ ಆಯ್ಕೆಮಾಡು",Code:"","Dim grey":"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"","Editor toolbar":"","Enter image caption":"‍ಚಿತ್ರದ ಶೀರ್ಷಿಕೆ ಸೇರಿಸು","Full size image":"‍ಪೂರ್ಣ ‍‍ಅಳತೆಯ ಚಿತ್ರ",Green:"",Grey:"",Heading:"ಶೀರ್ಷಿಕೆ","Heading 1":"ಶೀರ್ಷಿಕೆ 1","Heading 2":"ಶೀರ್ಷಿಕೆ 2","Heading 3":"ಶೀರ್ಷಿಕೆ 3","Heading 4":"","Heading 5":"","Heading 6":"","Image resize list":"","Image toolbar":"","image widget":"‍ಚಿತ್ರ ವಿಜೆಟ್","In line":"","Insert image":"",Italic:"‍ಇಟಾಲಿಕ್","Left aligned image":"","Light blue":"","Light green":"","Light grey":"",Link:"‍ಕೊಂಡಿ","Link URL":"‍ಕೊಂಡಿ ಸಂಪರ್ಕಿಸು",Next:"","Numbered List":"‍ಸಂಖ್ಯೆಯ ಪಟ್ಟಿ‍","Open in a new tab":"","Open link in new tab":"",Orange:"",Original:"",Paragraph:"ಪ್ಯಾರಾಗ್ರಾಫ್",Previous:"",Purple:"",Red:"",Redo:"‍ಮತ್ತೆ ಮಾಡು","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"‍ಸಮೃದ್ಧ ಪಠ್ಯ ಸಂಪಾದಕ‍‍","Rich Text Editor, %0":"‍ಸಮೃದ್ಧ ಪಠ್ಯ ಸಂಪಾದಕ‍, %0","Right aligned image":"",Save:"ಉಳಿಸು","Show more items":"","Side image":"‍ಪಕ್ಕದ ಚಿತ್ರ",Strikethrough:"","Text alternative":"‍ಪಠ್ಯದ ಬದಲಿ","This link has no URL":"","To-do List":"",Turquoise:"",Undo:"‍‍ರದ್ದು",Unlink:"‍ಕೊಂಡಿ ತೆಗೆ","Upload failed":"",White:"","Wrap text":"",Yellow:""}),i.getPluralForm=function(e){return e>1}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ko.js b/frontend/src/vendor/ckeditor/translations/ko.js
new file mode 100644
index 0000000000..31cd443b19
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ko.js
@@ -0,0 +1 @@
+!function(e){const t=e.ko=e.ko||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 / %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"연한 청록색",Background:"",Black:"검은색","Block quote":"인용 단락",Blue:"파랑색",Bold:"굵게",Border:"","Break text":"","Bulleted List":"불릿 목록",Cancel:"취소","Cannot upload file:":"파일 업로드할 수 없음: ","Cell properties":"","Center table":"","Centered image":"가운데 정렬","Change image text alternative":"대체 문구 변경","Choose heading":"제목 선택",Code:"코드",Color:"","Color picker":"",Column:"",Dashed:"","Delete column":"","Delete row":"","Dim grey":"진한 회색",Dimensions:"",Dotted:"",Double:"",Downloadable:"다운로드 가능","Dropdown toolbar":"드롭다운 툴바","Edit block":"편집 영역","Edit link":"링크 편집","Editor toolbar":"에디터 툴바","Enter image caption":"사진 설명을 입력하세요","Full size image":"꽉 찬 크기",Green:"초록색",Grey:"회색",Groove:"","Header column":"","Header row":"",Heading:"제목","Heading 1":"제목 1","Heading 2":"제목 2","Heading 3":"제목 3","Heading 4":"제목 4","Heading 5":"제목 5","Heading 6":"제목 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"사진 크기 목록","Image toolbar":"사진 툴바","image widget":"사진 위젯","In line":"","Insert column left":"","Insert column right":"","Insert image":"사진 삽입","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"","Insert row below":"","Insert table":"테이블 삽입",Inset:"",Italic:"기울임꼴","Justify cell text":"","Left aligned image":"왼쪽 정렬","Light blue":"연한 파랑색","Light green":"밝은 초록색","Light grey":"밝은 회색",Link:"링크","Link URL":"링크 주소","Merge cell down":"","Merge cell left":"","Merge cell right":"","Merge cell up":"","Merge cells":"",Next:"다음",None:"","Numbered List":"번호 목록","Open in a new tab":"새 탭에서 열기","Open link in new tab":"새 탭에서 링크 열기",Orange:"주황색",Original:"원본",Outset:"",Padding:"",Paragraph:"문단",Previous:"이전",Purple:"보라색",Red:"빨간색",Redo:"다시 실행","Remove color":"색깔 제거","Resize image":"사진 크기 조절","Resize image to %0":"사진의 크기를 %0으로 조절","Resize image to the original size":"사진을 원래 크기로 돌려놓기","Restore default":"","Rich Text Editor":"리치 텍스트 편집기","Rich Text Editor, %0":"리치 텍스트 편집기, %0",Ridge:"","Right aligned image":"오른쪽 정렬",Row:"",Save:"저장","Select all":"전체 선택","Select column":"","Select row":"","Show more items":"더보기","Side image":"본문 옆에 배치",Solid:"","Split cell horizontally":"","Split cell vertically":"",Strikethrough:"취소선",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"대체 문구",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"이 링크에는 URL이 없습니다.","To-do List":"확인 목록","Toggle caption off":"","Toggle caption on":"",Turquoise:"청록색",Undo:"실행 취소",Unlink:"링크 삭제","Upload failed":"업로드 실패","Upload in progress":"업로드 진행 중","Vertical text alignment toolbar":"",White:"흰색","Widget toolbar":"위젯 툴바",Width:"","Wrap text":"",Yellow:"노랑색"}),t.getPluralForm=function(e){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ku.js b/frontend/src/vendor/ckeditor/translations/ku.js
new file mode 100644
index 0000000000..e024440691
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ku.js
@@ -0,0 +1 @@
+!function(e){const t=e.ku=e.ku||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 لە %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"شینی دەریایی",Background:"",Black:"ڕەش","Block quote":"وتەی وەرگیراو",Blue:"شین",Bold:"قەڵەو",Border:"","Break text":"","Bulleted List":"لیستەی خاڵەیی",Cancel:"هەڵوەشاندنەوە","Cannot upload file:":"پەڕگەکە ناتوانرێت باربکرێت:","Cell properties":"","Center table":"","Centered image":"ناوەڕاستکراوی وێنە","Change image text alternative":"گۆڕینی جێگروەی تێکیسی وێنە","Choose heading":"سەرنووسە هەڵبژێرە",Code:"کۆد",Color:"","Color picker":"",Column:"ستوون",Dashed:"","Delete column":"سڕینەوەی ستوون","Delete row":"سڕینەوەی ڕیز","Dim grey":"ڕەساسی تاریک",Dimensions:"",Dotted:"",Double:"",Downloadable:"Downloadable","Dropdown toolbar":"تووڵامرازی لیستەیی","Edit block":"دەستکاری بلۆک","Edit link":"دەستکاری بەستەر","Editor toolbar":"تووڵامرازی دەسکاریکەر","Enter image caption":"سەردێڕی وێنە دابنێ","Full size image":"پڕ بەقەبارەی وێنە",Green:"سەوز",Grey:"ڕەساسی",Groove:"","Header column":"ستوونی دەسپێک","Header row":"ڕیزی دەسپێک",Heading:"سەرنووسە","Heading 1":"سەرنووسەی 1","Heading 2":"سەرنووسەی 2","Heading 3":"سەرنووسەی 3","Heading 4":"سەرنووسەی 4","Heading 5":"سەرنووسەی 5","Heading 6":"سەرنووسەی 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"تووڵامرازی وێنە","image widget":"وێدجیتی وێنە","In line":"","Insert column left":"دانانی ستوون لە چەپ","Insert column right":"دانانی ستوون لە ڕاست","Insert image":"وێنە دابنێ","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"دانانی ڕیز لە سەرەوە","Insert row below":"دانانی ڕیز لە ژێرەوە","Insert table":"خشتە دابنێ",Inset:"",Italic:"لار","Justify cell text":"","Left aligned image":"ڕیزکردنی وێنە بۆ لای چەپ","Light blue":"شینی ڕووناک","Light green":"سەوزی ڕووناک","Light grey":"ڕەساسی ڕووناک",Link:"بەستەر","Link URL":"ناونیشانی بەستەر","Merge cell down":"تێکەڵکردنی خانەکان بەرەو ژێرەوە","Merge cell left":"تێکەڵکردنی خانەکان بەرەو چەپ","Merge cell right":"تێکەڵکردنی خانەکان بەرەو ڕاست","Merge cell up":"تێکەڵکردنی خانەکان بەرەو سەر","Merge cells":"تێکەڵکردنی خانەکان",Next:"دواتر",None:"","Numbered List":"لیستەی ژمارەیی","Open in a new tab":"کردنەوەی لە پەنجەرەیەکی نوێ","Open link in new tab":"کردنەوەی بەستەرەکە لە پەڕەیەکی نوێ",Orange:"پرتەقاڵی",Original:"",Outset:"",Padding:"",Paragraph:"پەراگراف",Previous:"پێشتر",Purple:"مۆر",Red:"سور",Redo:"هەلگەڕاندنەوە","Remove color":"لابردنی ڕەنگ","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"سەرنوسەری دەقی بەپیت","Rich Text Editor, %0":"سەرنوسەری دەقی بەپیت, %0",Ridge:"","Right aligned image":"ڕیزکردنی وێنە بۆ لای ڕاست",Row:"ڕیز",Save:"پاشکەوتکردن","Select column":"","Select row":"","Show more items":"بڕگەی زیاتر نیشانبدە","Side image":"لای وێنە",Solid:"","Split cell horizontally":"بەشکردنی خانەکان بە ئاسۆیی","Split cell vertically":"بەشکردنی خانەکان بە ئەستوونی",Strikethrough:"هێڵ بەسەرداهاتوو",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"تووڵامرازی خشتە","Text alternative":"جێگرەوەی تێکست",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"ئەم بەستەرە ناونیشانی نیە","To-do List":"لیستەی کردن","Toggle caption off":"","Toggle caption on":"",Turquoise:"شینی ئاسمانی",Undo:"وەک خۆی لێ بکەوە",Unlink:"لابردنی بەستەر","Upload failed":"بارکردنەکە سەرنەکەووت","Upload in progress":"بارکردنەکە لە جێبەجێکردن دایە","Vertical text alignment toolbar":"",White:"سپی","Widget toolbar":"تووڵامرازی ویدجێت",Width:"","Wrap text":"",Yellow:"زەرد"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/lt.js b/frontend/src/vendor/ckeditor/translations/lt.js
new file mode 100644
index 0000000000..b7a923544c
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/lt.js
@@ -0,0 +1 @@
+!function(e){const t=e.lt=e.lt||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"Aquamarine",Background:"",Black:"Juoda","Block quote":"Citata",Blue:"Mėlyna",Bold:"Paryškintas",Border:"","Break text":"","Bulleted List":"Sąrašas",Cancel:"Atšaukti","Cannot upload file:":"Negalima įkelti failo:","Cell properties":"","Center table":"","Centered image":"Vaizdas centre","Change image text alternative":"Pakeisti vaizdo alternatyvųjį tekstą","Choose heading":"Pasirinkite antraštę",Code:"Kodas",Color:"","Color picker":"",Column:"Stulpelis",Dashed:"","Delete column":"Ištrinti stulpelį","Delete row":"Ištrinti eilutę","Dim grey":"Pilkšva",Dimensions:"",Dotted:"",Double:"",Downloadable:"","Dropdown toolbar":"","Edit block":"Redaguoti bloką","Edit link":"Keisti nuorodą","Editor toolbar":"","Enter image caption":"Įveskite vaizdo antraštę","Full size image":"Pilno dydžio vaizdas",Green:"Žalia",Grey:"Pilka",Groove:"","Header column":"Antraštės stulpelis","Header row":"Antraštės eilutė",Heading:"Antraštė","Heading 1":"Antraštė 1","Heading 2":"Antraštė 2","Heading 3":"Antraštė 3","Heading 4":"Antraštė 4","Heading 5":"Antraštė 5","Heading 6":"Antraštė 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"vaizdų valdiklis","In line":"","Insert column left":"Įterpti stulpelį kairėje","Insert column right":"Įterpti stulpelį dešinėje","Insert image":"Įterpti vaizdą","Insert row above":"Įterpti eilutę aukščiau","Insert row below":"Įterpti eilutę žemiau","Insert table":"Įterpti lentelę",Inset:"",Italic:"Kursyvas","Justify cell text":"","Left aligned image":"Vaizdas kairėje","Light blue":"Šviesiai mėlyna","Light green":"Šviesiai žalia","Light grey":"Šviesiai pilka",Link:"Pridėti nuorodą","Link URL":"Nuorodos URL","Merge cell down":"Prijungti langelį apačioje","Merge cell left":"Prijungti langelį kairėje","Merge cell right":"Prijungti langelį dešinėje","Merge cell up":"Prijungti langelį viršuje","Merge cells":"Sujungti langelius",Next:"",None:"","Numbered List":"Numeruotas rąrašas","Open in a new tab":"","Open link in new tab":"Atidaryti nuorodą naujame skirtuke",Orange:"Oranžinė",Original:"",Outset:"",Padding:"",Paragraph:"Paragrafas",Previous:"",Purple:"Violetinė",Red:"Raudona",Redo:"Pirmyn","Remove color":"Pašalinti spalvą","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Raiškiojo teksto redaktorius","Rich Text Editor, %0":"Raiškiojo teksto redaktorius, %0",Ridge:"","Right aligned image":"Vaizdas dešinėje",Row:"Eilutė",Save:"Išsaugoti","Select column":"","Select row":"","Show more items":"","Side image":"Vaizdas šone",Solid:"","Split cell horizontally":"Padalinti langelį horizontaliai","Split cell vertically":"Padalinti langelį vertikaliai",Strikethrough:"Perbrauktas",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"Alternatyvusis tekstas",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Ši nuorda neturi URL","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turkio",Undo:"Atgal",Unlink:"Pašalinti nuorodą","Upload failed":"Įkelti nepavyko","Upload in progress":"Įkelima","Vertical text alignment toolbar":"",White:"Balta",Width:"","Wrap text":"",Yellow:"Geltona"}),t.getPluralForm=function(e){return e%10==1&&(e%100>19||e%100<11)?0:e%10>=2&&e%10<=9&&(e%100>19||e%100<11)?1:e%1!=0?2:3}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/lv.js b/frontend/src/vendor/ckeditor/translations/lv.js
new file mode 100644
index 0000000000..60c17a5023
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/lv.js
@@ -0,0 +1 @@
+!function(e){const t=e.lv=e.lv||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 no %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"Akvamarīns",Background:"",Black:"Melns","Block quote":"Citāts",Blue:"Zils",Bold:"Trekns",Border:"","Break text":"","Bulleted List":"Nenumurēts Saraksts",Cancel:"Atcelt","Cannot upload file:":"Nevar augšupielādēt failu:","Cell properties":"","Center table":"","Centered image":"Centrēts attēls","Change image text alternative":"Mainīt attēla alternatīvo tekstu","Choose heading":"Izvēlēties virsrakstu",Code:"Kods",Color:"","Color picker":"",Column:"Kolonna",Dashed:"","Delete column":"Dzēst kolonnu","Delete row":"Dzēst rindu","Dim grey":"Blāvi pelēks",Dimensions:"",Dotted:"",Double:"",Downloadable:"Lejupielādējams","Dropdown toolbar":"Papildus izvēlnes rīkjosla","Edit block":"Labot bloku","Edit link":"Labot Saiti","Editor toolbar":"Redaktora rīkjosla","Enter image caption":"Ievadiet attēla parakstu","Full size image":"Pilna izmēra attēls",Green:"Zaļš",Grey:"Pelēks",Groove:"","Header column":"Šī kolonna ir galvene","Header row":"Šī rinda ir galvene",Heading:"Virsraksts","Heading 1":"Virsraksts 1","Heading 2":"Virsraksts 2","Heading 3":"Virsraksts 3","Heading 4":"Virsraksts 4","Heading 5":"Virsraksts 5","Heading 6":"Virsraksts 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"Attēlu rīkjosla","image widget":"attēla sīkrīks","In line":"","Insert column left":"Ievietot kolonnu pa kreisi","Insert column right":"Ievietot kolonnu pa labi","Insert image":"Ievietot attēlu","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Ievietot rindu virs","Insert row below":"Ievietot rindu zem","Insert table":"Ievietot tabulu",Inset:"",Italic:"Kursīvs","Justify cell text":"","Left aligned image":"Pa kreisi līdzināts attēls","Light blue":"Gaiši zils","Light green":"Gaiši zaļš","Light grey":"Gaiši pelēks",Link:"Saite","Link URL":"Saites URL","Merge cell down":"Apvienot šūnas uz leju","Merge cell left":"Apvienot šūnas pa kreisi","Merge cell right":"Apvienot šūnas pa labi","Merge cell up":"Apvienot šūnas uz augšu","Merge cells":"Apvienot šūnas",Next:"Nākamā",None:"","Numbered List":"Numurēts Saraksts","Open in a new tab":"Atvērt jaunā cilnē","Open link in new tab":"Atvērt saiti jaunā cilnē",Orange:"Oranžs",Original:"",Outset:"",Padding:"",Paragraph:"Pagrāfs",Previous:"Iepriekšējā",Purple:"Violets",Red:"Sarkans",Redo:"Uz priekšu","Remove color":"Noņemt krāsu","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Bagātinātais Teksta Redaktors","Rich Text Editor, %0":"Bagātinātais Teksta Redaktors, %0",Ridge:"","Right aligned image":"Pa labi līdzināts attēls",Row:"Rinda",Save:"Saglabāt","Select column":"","Select row":"","Show more items":"Parādīt vairāk vienumus","Side image":"Sānā novietots attēls",Solid:"","Split cell horizontally":"Atdalīt šūnu horizontāli","Split cell vertically":"Atdalīt šūnu vertikāli",Strikethrough:"Nosvītrots",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"Tabulas rīkjosla","Text alternative":"Alternatīvais teksts",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Saitei nav norādīts URL","To-do List":"To-do Saraksts","Toggle caption off":"","Toggle caption on":"",Turquoise:"Tirkīza",Undo:"Atsaukt",Unlink:"Noņemt Saiti","Upload failed":"Augšupielāde neizdevusies","Upload in progress":"Notiek augšupielāde","Vertical text alignment toolbar":"",White:"Balts","Widget toolbar":"Sīkrīku rīkjosla",Width:"","Wrap text":"",Yellow:"Dzeltens"}),t.getPluralForm=function(e){return e%10==1&&e%100!=11?0:0!=e?1:2}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ms.js b/frontend/src/vendor/ckeditor/translations/ms.js
new file mode 100644
index 0000000000..fca5453c01
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ms.js
@@ -0,0 +1 @@
+!function(n){const i=n.ms=n.ms||{};i.dictionary=Object.assign(i.dictionary||{},{"Cannot upload file:":"Gagal memuat naik fail"}),i.getPluralForm=function(n){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/nb.js b/frontend/src/vendor/ckeditor/translations/nb.js
new file mode 100644
index 0000000000..508e6edbe5
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/nb.js
@@ -0,0 +1 @@
+!function(e){const t=e.nb=e.nb||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"",Background:"",Black:"","Block quote":"Blokksitat",Blue:"",Bold:"Fet",Border:"","Break text":"","Bulleted List":"Punktmerket liste",Cancel:"Avbryt","Cannot upload file:":"Kan ikke laste opp fil:","Cell properties":"","Center table":"","Centered image":"Midtstilt bilde","Change image text alternative":"Endre tekstalternativ for bilde","Choose heading":"Velg overskrift",Code:"Kode",Color:"","Color picker":"",Column:"Kolonne",Dashed:"","Delete column":"Slett kolonne","Delete row":"Slett rad","Dim grey":"",Dimensions:"",Dotted:"",Double:"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"Rediger lenke","Editor toolbar":"","Enter image caption":"Skriv inn bildetekst","Full size image":"Bilde i full størrelse",Green:"",Grey:"",Groove:"","Header column":"Overskriftkolonne","Header row":"Overskriftrad",Heading:"Overskrift","Heading 1":"Overskrift 1","Heading 2":"Overskrift 2","Heading 3":"Overskrift 3","Heading 4":"","Heading 5":"","Heading 6":"",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"Bilde-widget","In line":"","Insert column left":"","Insert column right":"","Insert image":"Sett inn bilde","Insert row above":"Sett inn rad over","Insert row below":"Sett inn rad under","Insert table":"Sett inn tabell",Inset:"",Italic:"Kursiv","Justify cell text":"","Left aligned image":"Venstrejustert bilde","Light blue":"","Light green":"","Light grey":"",Link:"Lenke","Link URL":"URL for lenke","Merge cell down":"Slå sammen celle ned","Merge cell left":"Slå sammen celle til venstre","Merge cell right":"Slå sammen celle til høyre","Merge cell up":"Slå sammen celle opp","Merge cells":"Slå sammen celler",Next:"",None:"","Numbered List":"Nummerert liste","Open in a new tab":"","Open link in new tab":"Åpne lenke i ny fane",Orange:"",Original:"",Outset:"",Padding:"",Paragraph:"Avsnitt",Previous:"",Purple:"",Red:"",Redo:"Gjør om","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Rikteksteditor","Rich Text Editor, %0":"Rikteksteditor, %0",Ridge:"","Right aligned image":"Høyrejustert bilde",Row:"Rad",Save:"Lagre","Select column":"","Select row":"","Show more items":"","Side image":"Sidebilde",Solid:"","Split cell horizontally":"Del celle horisontalt","Split cell vertically":"Del celle vertikalt",Strikethrough:"Gjennomstreking",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"Tekstalternativ for bilde",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Denne lenken har ingen URL","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"",Undo:"Angre",Unlink:"Fjern lenke","Upload failed":"Opplasting feilet","Upload in progress":"Opplasting pågår","Vertical text alignment toolbar":"",White:"",Width:"","Wrap text":"",Yellow:""}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ne.js b/frontend/src/vendor/ckeditor/translations/ne.js
new file mode 100644
index 0000000000..7af514055d
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ne.js
@@ -0,0 +1 @@
+!function(e){const t=e.ne=e.ne||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 मध्ये %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"अव्कवामरिन",Background:"",Black:"कालो","Block quote":"ब्लक उद्धरण",Blue:"निलो",Bold:"बोल्ड",Border:"","Break text":"","Bulleted List":"गोली चिन्ह अङ्कित सूची",Cancel:"रद्द गर्नुहोस्","Cannot upload file:":"फाइल अपलोड गर्न मिल्दैन","Cell properties":"","Center table":"","Centered image":"केन्द्रित तस्वीर","Change image text alternative":"तस्वीर पाठ विकल्प परिवर्तन गर्नुहोस्","Choose heading":"शीर्षक छनौट गर्नुहोस्",Code:"कोड",Color:"","Color picker":"",Column:"स्तम्भ",Dashed:"","Delete column":"स्तम्भ मेटाउनुहोस्","Delete row":"पङ्क्ति मेटाउनुहोस्","Dim grey":"धमिलो खैरो",Dimensions:"",Dotted:"",Double:"",Downloadable:"डाउनलोड योग्य","Dropdown toolbar":"","Edit block":"ब्लक सम्पादन गर्न","Edit link":"लिङ्क सम्पादन गर्नुहोस्","Editor toolbar":"","Enter image caption":"तस्वीर क्याप्शन प्रविष्ट गर्नुहोस्","Full size image":"पूर्ण आकार तस्वीर",Green:"हरियो",Grey:"खैरो",Groove:"","Header column":"हेडर स्तम्भ","Header row":"हेडर पङ्क्ति",Heading:"शीर्षक","Heading 1":"शीर्षक-एक","Heading 2":"शीर्षक २","Heading 3":"शीर्षक ३","Heading 4":"शीर्षक ४","Heading 5":"शीर्षक ५","Heading 6":"शीर्षक ६",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"तस्वीर विजेट","In line":"","Insert column left":"बायाँ स्तम्भ सम्मिलित गर्न","Insert column right":"दायाँ स्तम्भ सम्मिलित गर्न","Insert image":"तस्वीर सम्मिलित गर्नुहोस्","Insert row above":"माथि पंक्ति सम्मिलित गर्नुहोस्","Insert row below":"तल पंक्ति सम्मिलित गर्नुहोस्","Insert table":"तालिका सम्मिलित गर्नुहोस्",Inset:"",Italic:"इटालिक","Justify cell text":"","Left aligned image":"बायाँ पङ्क्ति तस्वीर","Light blue":"हल्का निलो","Light green":"हल्का हरियो","Light grey":"हल्का खैरो",Link:"लिङ्क","Link URL":"लिङ्क यूआरएल","Merge cell down":"कक्ष तल मर्ज गर्नुहोस्","Merge cell left":"सेल बायाँ मर्ज गर्नुहोस्","Merge cell right":"दायाँ कक्ष मर्ज गर्नुहोस्","Merge cell up":"कक्ष माथि मर्ज गर्नुहोस्","Merge cells":"कक्ष मर्ज गर्नुहोस्",Next:"अर्को",None:"","Numbered List":"सूचीबद्ध सूची","Open in a new tab":"नयाँ ट्याबमा खोल्न","Open link in new tab":"नयाँ ट्याबमा लिङ्क खोल्नुहोस्",Orange:"सुन्तला रंग",Original:"",Outset:"",Padding:"",Paragraph:"अनुच्छेद",Previous:"अघिल्लो",Purple:"बैंगनी रंग",Red:"रातो",Redo:"रिडु","Remove color":"रंग हटाउन","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"धनी पाठ सम्पादक","Rich Text Editor, %0":"धनी पाठ सम्पादक, %0",Ridge:"","Right aligned image":"दायाँ पङ्क्तिबद्ध तस्वीर",Row:"पङ्क्ति",Save:"सुरक्षित गर्नुहोस्","Select column":"","Select row":"","Show more items":"","Side image":"साइड तस्वीर",Solid:"","Split cell horizontally":"क्षैतिज कक्ष विभाजित गर्नुहोस्","Split cell vertically":"ठाडो कक्ष विभाजित गर्नुहोस्",Strikethrough:"स्ट्राइकथ्रू",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"पाठ विकल्प",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"यो लिङ्कसँग यूआरएल छैन","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"त्रकोइस",Undo:"पूर्ववत",Unlink:"अनलिङ्क गर्नुहोस्","Upload failed":"अपलोड असफल भयो","Upload in progress":"अपलोड हुदैछ","Vertical text alignment toolbar":"",White:"सेतो",Width:"","Wrap text":"",Yellow:"पहेंलो"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/nl.js b/frontend/src/vendor/ckeditor/translations/nl.js
new file mode 100644
index 0000000000..f994ff4250
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/nl.js
@@ -0,0 +1 @@
+!function(e){const l=e.nl=e.nl||{};l.dictionary=Object.assign(l.dictionary||{},{"%0 of %1":"%0 van %1","Align cell text to the bottom":"","Align cell text to the center":"Tekst in de cel centreren","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"Uitlijning",Aquamarine:"Aquamarijn",Background:"Achtergrond",Black:"Zwart","Block quote":"Blok citaat",Blue:"Blauw",Bold:"Vet",Border:"Rand","Break text":"","Bulleted List":"Ongenummerde lijst",Cancel:"Annuleren","Cannot upload file:":"Kan bestand niet uploaden:","Cell properties":"Celeigenschappen","Center table":"Tabel centreren","Centered image":"Gecentreerde afbeelding","Change image text alternative":"Verander alt-tekst van de afbeelding","Choose heading":"Kies kop",Code:"Code",Color:"Kleur","Color picker":"",Column:"Kolom",Dashed:"","Delete column":"Verwijder kolom","Delete row":"Verwijder rij","Dim grey":"Gedimd grijs",Dimensions:"",Dotted:"Stippellijn",Double:"Dubbel",Downloadable:"Downloadbaar","Dropdown toolbar":"Drop-down werkbalk","Edit block":"Blok aanpassen","Edit link":"Bewerk link","Editor toolbar":"Editor welkbalk","Enter image caption":"Typ een afbeeldingsbijschrift","Full size image":"Afbeelding op volledige grootte",Green:"Groen",Grey:"Grijs",Groove:"","Header column":"Titel kolom","Header row":"Titel rij",Heading:"Koppen","Heading 1":"Kop 1","Heading 2":"Kop 2","Heading 3":"Kop 3","Heading 4":"Kop 4","Heading 5":"Kop 5","Heading 6":"Kop 6",Height:"Hoogte","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"Afbeeldingswerkbalk","image widget":"afbeeldingswidget","In line":"","Insert column left":"Kolom links invoegen","Insert column right":"Kolom rechts invoegen","Insert image":"Afbeelding toevoegen","Insert paragraph after block":"Voeg paragraaf toe na blok","Insert paragraph before block":"Voeg paragraaf toe voor blok","Insert row above":"Rij hierboven invoegen","Insert row below":"Rij hieronder invoegen","Insert table":"Tabel invoegen",Inset:"",Italic:"Cursief","Justify cell text":"","Left aligned image":"Links uitgelijnde afbeelding","Light blue":"Lichtblauw","Light green":"Lichtgroen","Light grey":"Lichtgrijs",Link:"Link","Link URL":"Link URL","Merge cell down":"Cel hieronder samenvoegen","Merge cell left":"Cel hiervoor samenvoegen","Merge cell right":"Cel hierna samenvoegen","Merge cell up":"Cel hierboven samenvoegen","Merge cells":"Cellen samenvoegen",Next:"Volgende",None:"Geen","Numbered List":"Genummerde lijst","Open in a new tab":"Open een nieuw tabblad","Open link in new tab":"Open link in nieuw tabblad",Orange:"Oranje",Original:"Origineel",Outset:"",Padding:"",Paragraph:"Paragraaf",Previous:"Vorige",Purple:"Paars",Red:"Rood",Redo:"Opnieuw","Remove color":"Verwijder kleur","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"Standaardinstellingen terugzetten","Rich Text Editor":"Tekstbewerker","Rich Text Editor, %0":"Tekstbewerker, %0",Ridge:"","Right aligned image":"Rechts uitgelijnde afbeelding",Row:"Rij",Save:"Opslaan","Select all":"Selecteer alles","Select column":"Selecteer kolom","Select row":"Selecteer rij","Show more items":"Meer items weergeven","Side image":"Afbeelding naast tekst",Solid:"","Split cell horizontally":"Splits cel horizontaal","Split cell vertically":"Splits cel verticaal",Strikethrough:"Doorhalen",Style:"Stijl","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"Tabeleigenschappen","Table toolbar":"Tabel werkbalk","Text alternative":"Alt-tekst",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'De kleur in niet correct, probeer "#FF0000" of "rgb(255,0,0)" of "red".','The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Deze link heeft geen URL","To-do List":"To-do lijst","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turquoise",Undo:"Ongedaan maken",Unlink:"Verwijder link","Upload failed":"Uploaden afbeelding mislukt","Upload in progress":"Bezig met uploaden","Vertical text alignment toolbar":"",White:"Wit","Widget toolbar":"Widget werkbalk",Width:"Breedte","Wrap text":"",Yellow:"Geel"}),l.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/no.js b/frontend/src/vendor/ckeditor/translations/no.js
new file mode 100644
index 0000000000..e47ec84723
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/no.js
@@ -0,0 +1 @@
+!function(e){const t=e.no=e.no||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 av %1","Align cell text to the bottom":"Juster celletekst til bunn ","Align cell text to the center":"Juster celletekst til midten ","Align cell text to the left":"Juster celletekst til venstre ","Align cell text to the middle":"Juster celletekst til midten","Align cell text to the right":"Juster celletekst til høyre ","Align cell text to the top":"Juster celletekst til topp","Align table to the left":"Juster tabell til venstre ","Align table to the right":"Juster tabell til høyre ",Alignment:"Justering",Aquamarine:"Akvamarin",Background:"Bakgrunn ",Black:"Svart","Block quote":"Blokksitat",Blue:"Blå",Bold:"Fet",Border:"Kantlinje ","Break text":"","Bulleted List":"Punktliste",Cancel:"Avbryt","Cannot upload file:":"Kan ikke laste opp fil:","Cell properties":"Celleegenskaper ","Center table":"Sentrer tabell ","Centered image":"Midtstilt bilde","Change image text alternative":"Endre tekstalternativ til bildet","Choose heading":"Velg overskrift",Code:"Kode",Color:"Farge","Color picker":"Fargevalg ",Column:"Kolonne",Dashed:"Stiplet","Delete column":"Slett kolonne","Delete row":"Slett rad","Dim grey":"Svak grå",Dimensions:"Dimensjoner",Dotted:"Stiplede",Double:"Dobbel ",Downloadable:"Nedlastbar","Dropdown toolbar":"Verktøylinje for nedtrekksliste","Edit block":"Rediger blokk","Edit link":"Rediger lenke","Editor toolbar":"Verktøylinje for redigeringsverktøy","Enter image caption":"Skriv inn bildetekst","Full size image":"Bilde i full størrelse",Green:"Grønn",Grey:"Grå",Groove:"Grov","Header column":"Overskriftkolonne","Header row":"Overskriftrad",Heading:"Overskrift","Heading 1":"Overskrift 1","Heading 2":"Overskrift 2","Heading 3":"Overskrift 3","Heading 4":"Overskrift 4","Heading 5":"Overskrift 5","Heading 6":"Overskrift 6",Height:"Høyde","Horizontal text alignment toolbar":"Verktøylinje for justering av tekst horisontalt ","Image resize list":"","Image toolbar":"Verktøylinje for bilde","image widget":"Bilde-widget","In line":"","Insert column left":"Sett inn kolonne til venstre","Insert column right":"Sett inn kolonne til høyre","Insert image":"Sett inn bilde","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Sett inn rad over","Insert row below":"Sett inn rad under","Insert table":"Sett inn tabell",Inset:"Innover",Italic:"Kursiv","Justify cell text":"Rett celletekst ","Left aligned image":"Venstrejustert bilde","Light blue":"Lyseblå","Light green":"Lysegrønn","Light grey":"Lysegrå",Link:"Lenke","Link URL":"Lenke-URL","Merge cell down":"Slå sammen celle under","Merge cell left":"Slå sammen celle til venstre","Merge cell right":"Slå sammen celle til høyre","Merge cell up":"Slå sammen celle over","Merge cells":"Slå sammen celler",Next:"Neste",None:"Ingen","Numbered List":"Nummerert liste","Open in a new tab":"Åpne i ny fane","Open link in new tab":"Åpne lenke i ny fane",Orange:"Oransje",Original:"",Outset:"Utover",Padding:"Fylling",Paragraph:"Avsnitt",Previous:"Forrige",Purple:"Lilla",Red:"Rød",Redo:"Gjør om","Remove color":"Fjern farge","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"Tilbakestill til standard","Rich Text Editor":"Tekstredigeringsverktøy for rik tekst","Rich Text Editor, %0":"Tekstredigeringsverktøy for rik tekst, %0",Ridge:"Kjede","Right aligned image":"Høyrejustert bilde",Row:"Rad",Save:"Lagre","Select all":"Velg alt ","Select column":"Velg kolonne ","Select row":"Velg rad","Show more items":"Vis flere elementer","Side image":"Sidestilt bilde",Solid:"Hel","Split cell horizontally":"Del opp celle horisontalt","Split cell vertically":"Del opp celle vertikalt",Strikethrough:"Gjennomstreket",Style:"Stil ","Table alignment toolbar":"Verktøylinje for justering av tabell ","Table cell text alignment":"Celle tekstjustering ","Table properties":"Egenskaper for tabell","Table toolbar":"Tabell verktøylinje ","Text alternative":"Tekstalternativ",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"Ugyldig farge ",'The value is invalid. Try "10px" or "2em" or simply "2".':"Ugyldig verdi ","This link has no URL":"Denne lenken mangler en URL","To-do List":"Oppgaveliste","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turkis",Undo:"Angre",Unlink:"Fjern lenke","Upload failed":"Kunne ikke laste opp","Upload in progress":"Laster opp fil","Vertical text alignment toolbar":"Verktøylinje for justering av tekst vertikalt ",White:"Hvit","Widget toolbar":"Widget verktøylinje ",Width:"Bredde","Wrap text":"",Yellow:"Gul"}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/oc.js b/frontend/src/vendor/ckeditor/translations/oc.js
new file mode 100644
index 0000000000..5eec5b6ef0
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/oc.js
@@ -0,0 +1 @@
+!function(o){const r=o.oc=o.oc||{};r.dictionary=Object.assign(r.dictionary||{},{"%0 of %1":"",Bold:"Gras",Cancel:"Anullar",Code:"",Italic:"Italica","Remove color":"","Restore default":"",Save:"Enregistrar","Show more items":"",Strikethrough:""}),r.getPluralForm=function(o){return o>1}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/pl.js b/frontend/src/vendor/ckeditor/translations/pl.js
new file mode 100644
index 0000000000..5a470efe5a
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/pl.js
@@ -0,0 +1 @@
+!function(e){const a=e.pl=e.pl||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"%0 z %1","Align cell text to the bottom":"Wyrównaj tekst w komórce do dołu","Align cell text to the center":"Wyrównaj tekst w komórce do środka","Align cell text to the left":"Wyrównaj tekst w komórce do lewej","Align cell text to the middle":"Wyrównaj tekst w komórce do środka","Align cell text to the right":"Wyrównaj tekst w komórce do prawej","Align cell text to the top":"Wyrównaj tekst w komórce do góry","Align table to the left":"Wyrównaj tabelę do lewej","Align table to the right":"Wyrównaj tabelę do prawej",Alignment:"Wyrównanie",Aquamarine:"Akwamaryna",Background:"Tło",Black:"Czarny","Block quote":"Cytat blokowy",Blue:"Niebieski",Bold:"Pogrubienie",Border:"Obramowanie","Break text":"","Bulleted List":"Lista wypunktowana",Cancel:"Anuluj","Cannot upload file:":"Nie można przesłać pliku:","Cell properties":"Właściwości komórki","Center table":"Wyrównaj tabelę do środka","Centered image":"Obraz wyrównany do środka","Change image text alternative":"Zmień tekst zastępczy obrazka","Choose heading":"Wybierz nagłówek",Code:"Kod",Color:"Kolor","Color picker":"Wybór koloru",Column:"Kolumna",Dashed:"Kreskowane","Delete column":"Usuń kolumnę","Delete row":"Usuń wiersz","Dim grey":"Ciemnoszary",Dimensions:"Wymiary",Dotted:"Kropkowane",Double:"Podwójne",Downloadable:"Do pobrania","Dropdown toolbar":"Rozwijany pasek narzędzi","Edit block":"Edytuj blok","Edit link":"Edytuj odnośnik","Editor toolbar":"Pasek narzędzi edytora","Enter image caption":"Wstaw tytuł obrazka","Full size image":"Obraz w pełnym rozmiarze",Green:"Zielony",Grey:"Szary",Groove:"Wklęsłe","Header column":"Kolumna nagłówka","Header row":"Wiersz nagłówka",Heading:"Nagłówek","Heading 1":"Nagłówek 1","Heading 2":"Nagłówek 2","Heading 3":"Nagłówek 3","Heading 4":"Nagłówek 4","Heading 5":"Nagłówek 5","Heading 6":"Nagłówek 6",Height:"Wysokość","Horizontal text alignment toolbar":"Pasek narzędzi wyrównania tekstu w poziomie","Image resize list":"","Image toolbar":"Pasek narzędzi obrazka","image widget":"Obraz","In line":"","Insert column left":"Wstaw kolumnę z lewej","Insert column right":"Wstaw kolumnę z prawej","Insert image":"Wstaw obraz","Insert paragraph after block":"Wstaw akapit po bloku","Insert paragraph before block":"Wstaw akapit przed blokiem","Insert row above":"Wstaw wiersz ponad","Insert row below":"Wstaw wiersz poniżej","Insert table":"Wstaw tabelę",Inset:"Zapadnięte",Italic:"Kursywa","Justify cell text":"Wyjustuj tekst komórki","Left aligned image":"Obraz wyrównany do lewej","Light blue":"Jasnoniebieski","Light green":"Jasnozielony","Light grey":"Jasnoszary",Link:"Wstaw odnośnik","Link URL":"Adres URL","Merge cell down":"Scal komórkę w dół","Merge cell left":"Scal komórkę w lewo","Merge cell right":"Scal komórkę w prawo","Merge cell up":"Scal komórkę w górę","Merge cells":"Scal komórki",Next:"Następny",None:"Brak","Numbered List":"Lista numerowana","Open in a new tab":"Otwórz w nowej zakładce","Open link in new tab":"Otwórz odnośnik w nowej zakładce",Orange:"Pomarańczowy",Original:"Oryginalny",Outset:"Wysunięte",Padding:"Dopełnienie",Paragraph:"Akapit",Previous:"Poprzedni",Purple:"Purpurowy",Red:"Czerwony",Redo:"Ponów","Remove color":"Usuń kolor","Resize image":"Zmień rozmiar obrazka","Resize image to %0":"Zmień rozmiar do %0","Resize image to the original size":"Przywróć oryginalny rozmiar obrazu","Restore default":"Przywróć domyślne","Rich Text Editor":"Edytor tekstu sformatowanego","Rich Text Editor, %0":"Edytor tekstu sformatowanego, %0",Ridge:"Wypukłe","Right aligned image":"Obraz wyrównany do prawej",Row:"Wiersz",Save:"Zapisz","Select all":"Zaznacz wszystko","Select column":"Zaznacz kolumnę","Select row":"Zaznacz wiersz","Show more items":"Pokaż więcej","Side image":"Obraz dosunięty do brzegu, oblewany tekstem",Solid:"Ciągłe","Split cell horizontally":"Podziel komórkę poziomo","Split cell vertically":"Podziel komórkę pionowo",Strikethrough:"Przekreślenie",Style:"Styl","Table alignment toolbar":"Pasek narzędzi wyrównania tabeli","Table cell text alignment":"Wyrównanie tekstu komórki tabeli","Table properties":"Właściwości tabeli","Table toolbar":"Pasek narzędzi tabel","Text alternative":"Tekst zastępczy obrazka",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Kolor jest niepoprawny. Spróbuj wpisać "#FF0000", "rgb(255,0,0)" lub "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Wartość jest niepoprawna. Spróbuj  wpisać "10px", "2em" lub po prostu "2".',"This link has no URL":"Nie podano adresu URL odnośnika","To-do List":"Lista rzeczy do zrobienia","Toggle caption off":"Ukryj podpis tabeli","Toggle caption on":"Pokaż podpis tabeli",Turquoise:"Turkusowy",Undo:"Cofnij",Unlink:"Usuń odnośnik","Upload failed":"Przesyłanie obrazu nie powiodło się","Upload in progress":"Trwa przesyłanie","Vertical text alignment toolbar":"Pasek narzędzi wyrównania tekstu w pionie",White:"Biały","Widget toolbar":"Pasek widgetów",Width:"Szerokość","Wrap text":"",Yellow:"Żółty"}),a.getPluralForm=function(e){return 1==e?0:e%10>=2&&e%10<=4&&(e%100<12||e%100>14)?1:1!=e&&e%10>=0&&e%10<=1||e%10>=5&&e%10<=9||e%100>=12&&e%100<=14?2:3}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/pt-br.js b/frontend/src/vendor/ckeditor/translations/pt-br.js
new file mode 100644
index 0000000000..107f986340
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/pt-br.js
@@ -0,0 +1 @@
+!function(e){const a=e["pt-br"]=e["pt-br"]||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"%0 de %1","Align cell text to the bottom":"Alinhar texto da célula para baixo","Align cell text to the center":"Alinhar texto da célula centralizado","Align cell text to the left":"Alinhar texto da célula para a esquerda","Align cell text to the middle":"Alinhar texto da célula para o meio","Align cell text to the right":"Alinhar texto da célula para a direita","Align cell text to the top":"Alinhar texto da célula para o topo","Align table to the left":"Alinhar tabela para esquerda","Align table to the right":"Alinhar tabela para direita",Alignment:"Alinhamento",Aquamarine:"Água-marinha",Background:"Cor de fundo",Black:"Preto","Block quote":"Bloco de citação",Blue:"Azul",Bold:"Negrito",Border:"Borda","Break text":"Quebrar texto","Bulleted List":"Lista com marcadores",Cancel:"Cancelar","Cannot upload file:":"Não foi possível enviar o arquivo:","Cell properties":"Propriedades da célula","Center table":"Centralizar tabela","Centered image":"Imagem centralizada","Change image text alternative":"Alterar texto alternativo da imagem","Choose heading":"Escolha o título",Code:"Código",Color:"Cor","Color picker":"Seletor de cor",Column:"Coluna",Dashed:"Tracejada","Delete column":"Excluir coluna","Delete row":"Excluir linha","Dim grey":"Cinza escuro",Dimensions:"Dimensões",Dotted:"Pontilhada",Double:"Dupla",Downloadable:"Pode ser baixado","Dropdown toolbar":"Barra de Ferramentas da Lista Suspensa","Edit block":"Editor de bloco","Edit link":"Editar link","Editor toolbar":"Ferramentas do Editor","Enter image caption":"Inserir legenda da imagem","Full size image":"Imagem completa",Green:"Verde",Grey:"Cinza",Groove:"Ranhura","Header column":"Coluna de cabeçalho","Header row":"Linha de cabeçalho",Heading:"Titulo","Heading 1":"Título 1","Heading 2":"Título 2","Heading 3":"Título 3","Heading 4":"Título 4","Heading 5":"Título 5","Heading 6":"Título 6",Height:"Altura","Horizontal text alignment toolbar":"Ferramentas de alinhamento horizontal do texto","Image resize list":"Lista de redimensionamento de imagem","Image toolbar":"Ferramentas de Imagem","image widget":"Ferramenta de imagem","In line":"Na linha","Insert column left":"Inserir coluna à esquerda","Insert column right":"Inserir coluna à direita","Insert image":"Inserir imagem","Insert paragraph after block":"Inserir parágrafo após o bloco","Insert paragraph before block":"Inserir parágrafo antes do bloco","Insert row above":"Inserir linha acima","Insert row below":"Inserir linha abaixo","Insert table":"Inserir tabela",Inset:"Baixo relevo",Italic:"Itálico","Justify cell text":"Justificar texto da célula","Left aligned image":"Imagem alinhada à esquerda","Light blue":"Azul claro","Light green":"Verde claro","Light grey":"Cinza claro",Link:"Link","Link URL":"URL","Merge cell down":"Mesclar abaixo","Merge cell left":"Mesclar à esquerda","Merge cell right":"Mesclar à direita","Merge cell up":"Mesclar acima","Merge cells":"Mesclar células",Next:"Próximo",None:"Sem borda","Numbered List":"Lista numerada","Open in a new tab":"Abrir em nova aba","Open link in new tab":"Abrir link em nova aba",Orange:"Laranja",Original:"Original",Outset:"Alto relevo",Padding:"Margem interna",Paragraph:"Parágrafo",Previous:"Anterior",Purple:"Púrpura",Red:"Vermelho",Redo:"Refazer","Remove color":"Remover cor","Resize image":"Redimensionar imagem","Resize image to %0":"Redimensionar a imagem para %0","Resize image to the original size":"Redimensionar a imagem para o tamanho original","Restore default":"Restaurar padrão","Rich Text Editor":"Editor de Formatação","Rich Text Editor, %0":"Editor de Formatação, %0",Ridge:"Crista","Right aligned image":"Imagem alinhada à direita",Row:"Linha",Save:"Salvar","Select all":"Selecionar tudo","Select column":"Selecionar coluna","Select row":"Selecionar linha","Show more items":"Exibir mais itens","Side image":"Imagem lateral",Solid:"Sólida","Split cell horizontally":"Dividir horizontalmente","Split cell vertically":"Dividir verticalmente",Strikethrough:"Tachado",Style:"Estilo","Table alignment toolbar":"Ferramentas de alinhamento da tabela","Table cell text alignment":"Alinhamento do texto na célula","Table properties":"Propriedades da tabela","Table toolbar":"Ferramentas de Tabela","Text alternative":"Texto alternativo",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Cor inválida. Tente "#FF0000" ou "rgb(255,0,0)" ou "red"','The value is invalid. Try "10px" or "2em" or simply "2".':'Valor inválido. Tente "10px" ou "2em" ou apenas "2"',"This link has no URL":"Este link não possui uma URL","To-do List":"Lista de Tarefas","Toggle caption off":"Desabilitar legenda","Toggle caption on":"Habilitar legenda",Turquoise:"Turquesa",Undo:"Desfazer",Unlink:"Remover link","Upload failed":"Falha ao subir arquivo","Upload in progress":"Enviando dados","Vertical text alignment toolbar":"Ferramentas de alinhamento vertical do texto",White:"Branco","Widget toolbar":"Ferramentas de Widgets",Width:"Largura","Wrap text":"Texto ao redor",Yellow:"Amarelo"}),a.getPluralForm=function(e){return e>1}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/pt.js b/frontend/src/vendor/ckeditor/translations/pt.js
new file mode 100644
index 0000000000..432273777e
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/pt.js
@@ -0,0 +1 @@
+!function(e){const a=e.pt=e.pt||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"",Aquamarine:"",Black:"",Blue:"",Bold:"Negrito","Break text":"","Bulleted List":"Lista não ordenada",Cancel:"Cancelar","Cannot upload file:":"Não foi possível carregar o ficheiro:","Centered image":"Imagem centrada","Change image text alternative":"","Choose heading":"",Code:"Código","Dim grey":"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"","Editor toolbar":"","Enter image caption":"Indicar legenda da imagem","Full size image":"Imagem em tamanho completo",Green:"",Grey:"",Heading:"Cabeçalho","Heading 1":"Cabeçalho 1","Heading 2":"Cabeçalho 2","Heading 3":"Cabeçalho 3","Heading 4":"","Heading 5":"","Heading 6":"","Image resize list":"","Image toolbar":"","image widget":"módulo de imagem","In line":"","Insert image":"Inserir imagem",Italic:"Itálico","Left aligned image":"","Light blue":"","Light green":"","Light grey":"",Link:"Hiperligação","Link URL":"URL da ligação",Next:"","Numbered List":"Lista ordenada","Open in a new tab":"","Open link in new tab":"",Orange:"",Original:"",Paragraph:"Parágrafo",Previous:"",Purple:"",Red:"",Redo:"Refazer","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Editor de texto avançado","Rich Text Editor, %0":"Editor de texto avançado, %0","Right aligned image":"",Save:"Guardar","Show more items":"","Side image":"Imagem lateral",Strikethrough:"","Text alternative":"Texto alternativo","This link has no URL":"","To-do List":"",Turquoise:"",Undo:"Desfazer",Unlink:"Desligar","Upload failed":"Falha ao carregar",White:"","Wrap text":"",Yellow:""}),a.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ro.js b/frontend/src/vendor/ckeditor/translations/ro.js
new file mode 100644
index 0000000000..dc06daaeef
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ro.js
@@ -0,0 +1 @@
+!function(e){const i=e.ro=e.ro||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"%0 din %1","Align cell text to the bottom":"Alinează textul celulei jos","Align cell text to the center":"Alinează textul celulei la centru","Align cell text to the left":"Alinează textul celulei la stânga","Align cell text to the middle":"Alinează textul celulei la mijloc","Align cell text to the right":"Alinează textul celulei la dreapta","Align cell text to the top":"Alinează textul celulei sus","Align table to the left":"Alinează tabela la stânga","Align table to the right":"Alinează tabela la dreapta",Alignment:"Aliniere",Aquamarine:"Acvamarin",Background:"Fundal",Black:"Negru","Block quote":"Bloc citat",Blue:"Albastru",Bold:"Îngroșat",Border:"Bordură","Break text":"","Bulleted List":"Listă cu puncte",Cancel:"Anulare","Cannot upload file:":"Nu se poate încărca fișierul:","Cell properties":"Proprietățile celulei","Center table":"Tabelă centrată","Centered image":"Imagine aliniată pe centru","Change image text alternative":"Schimbă textul alternativ al imaginii","Choose heading":"Alege titlu",Code:"Cod",Color:"Culoare","Color picker":"Alegere culoare",Column:"Coloană",Dashed:"Linii întrerupte","Delete column":"Șterge coloană","Delete row":"Șterge rând","Dim grey":"Gri slab",Dimensions:"Dimensiuni",Dotted:"Punctată",Double:"Dublă",Downloadable:"Descărcabil","Dropdown toolbar":"Bară listă opțiuni","Edit block":"Editează bloc","Edit link":"Modifică link","Editor toolbar":"Bară editor","Enter image caption":"Introdu titlul descriptiv al imaginii","Full size image":"Imagine mărime completă",Green:"Verde",Grey:"Gri",Groove:"Groove","Header column":"Antet coloană","Header row":"Rând antet",Heading:"Titlu","Heading 1":"Titlu 1","Heading 2":"Titlu 2","Heading 3":"Titlu 3","Heading 4":"Titlu 4","Heading 5":"Titlu 5","Heading 6":"Titlu 6",Height:"Înălțime","Horizontal text alignment toolbar":"Toolbar aliniere text orizontală","Image resize list":"Lista cu mărimi de redimensionare","Image toolbar":"Bară imagine","image widget":"widget imagine","In line":"","Insert column left":"Inserează coloană la stânga","Insert column right":"Inserează coloană la dreapta","Insert image":"Inserează imagine","Insert paragraph after block":"Inserează un paragraf după bloc","Insert paragraph before block":"Inserează un paragraf înaintea blocului","Insert row above":"Inserează rând deasupra","Insert row below":"Inserează rând dedesubt","Insert table":"Inserează tabel",Inset:"Inserează",Italic:"Cursiv","Justify cell text":"Textul celulei justify","Left aligned image":"Imagine aliniată la stânga","Light blue":"Albastru deschis","Light green":"Verde deschis","Light grey":"Gri deschis",Link:"Link","Link URL":"Link URL","Merge cell down":"Îmbină celula în jos","Merge cell left":"Îmbină celula la stânga","Merge cell right":"Îmbină celula la dreapta","Merge cell up":"Îmbină celula în sus","Merge cells":"Îmbină celulele",Next:"Înainte",None:"Nimic","Numbered List":"Listă numerotată","Open in a new tab":"Deschide în tab nou","Open link in new tab":"Deschide link în tab nou",Orange:"Portocaliu",Original:"Original",Outset:"Elimină",Padding:"Spațiere",Paragraph:"Paragraf",Previous:"Înapoi",Purple:"Violet",Red:"Roșu",Redo:"Revenire","Remove color":"Șterge culoare","Resize image":"Redimensionează imaginea","Resize image to %0":"Redimensionează imaginea la %0","Resize image to the original size":"Redimensionează imaginea la mărimea originală","Restore default":"Reface la default","Rich Text Editor":"Editor de text","Rich Text Editor, %0":"Editor de text, %0",Ridge:"Crestată","Right aligned image":"Imagine aliniată la dreapta",Row:"Rând",Save:"Salvare","Select all":"Selectează-le pe toate","Select column":"Selectează coloana","Select row":"Selectează linia","Show more items":"Arată mai multe elemente","Side image":"Imagine laterală",Solid:"Solidă","Split cell horizontally":"Scindează celula pe orizontală","Split cell vertically":"Scindează celula pe verticală",Strikethrough:"Tăiere text cu o linie",Style:"Stil","Table alignment toolbar":"Toolbar aliniere tabelă","Table cell text alignment":"Alinierea textului celulei tabelei","Table properties":"Proprietățile tabelei","Table toolbar":"Bară tabel","Text alternative":"Text alternativ",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Culoarea este invalidă. Încearcă "#FF0000" sau "rgb(255,0,0)" sau "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Valoarea este invalidă. Încearcă "10px" sau "2em" sau simplu "2".',"This link has no URL":"Acest link nu are niciun URL","To-do List":"Listă cu activități","Toggle caption off":"Dezactivați subtitlul","Toggle caption on":"Activați subtitlul",Turquoise:"Turcoaz",Undo:"Anulare",Unlink:"Șterge link","Upload failed":"Încărcare eșuată","Upload in progress":"Încărcare în curs","Vertical text alignment toolbar":"Toolbar aliniere text verticală",White:"Alb","Widget toolbar":"Bară widget",Width:"Lungime","Wrap text":"",Yellow:"Galben"}),i.getPluralForm=function(e){return 1==e?0:e%100>19||e%100==0&&0!=e?2:1}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ru.js b/frontend/src/vendor/ckeditor/translations/ru.js
new file mode 100644
index 0000000000..e778ea6ce7
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ru.js
@@ -0,0 +1 @@
+!function(e){const t=e.ru=e.ru||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 из %1","Align cell text to the bottom":"Выровнять текст ячейки по нижнему краю","Align cell text to the center":"Выровнять текст по центру","Align cell text to the left":"Выровнять текст по левому краю","Align cell text to the middle":"Выровнять текст ячейки по центру","Align cell text to the right":"Выровнять текст по правому краю","Align cell text to the top":"Выровнять текст ячейки по верхнему краю","Align table to the left":"Выровнять таблицу по левому краю","Align table to the right":"Выровнять таблицу по правому краю",Alignment:"Выравнивание",Aquamarine:"Аквамариновый",Background:"Фон",Black:"Чёрный","Block quote":"Цитата",Blue:"Синий",Bold:"Жирный",Border:"Граница","Break text":"Разрывать текст","Bulleted List":"Маркированный список",Cancel:"Отмена","Cannot upload file:":"Невозможно загрузить файл","Cell properties":"Свойства ячейки","Center table":"Выровнять таблицу по центру","Centered image":"Выравнивание по центру","Change image text alternative":"Редактировать альтернативный текст","Choose heading":"Выбор стиля",Code:"Исходный код",Color:"Цвет","Color picker":"Выбор цвета",Column:"Столбец",Dashed:"Пунктирная","Delete column":"Удалить столбец","Delete row":"Удалить строку","Dim grey":"Тёмно-серый",Dimensions:"Размеры",Dotted:"Точечная",Double:"Двойная",Downloadable:"Загружаемые","Dropdown toolbar":"Выпадающая панель инструментов","Edit block":"Редактировать блок","Edit link":"Редактировать ссылку","Editor toolbar":"Панель инструментов редактора","Enter image caption":"Подпись к изображению","Full size image":"Оригинальный размер изображения",Green:"Зелёный",Grey:"Серый",Groove:"Желобчатая","Header column":"Столбец заголовков","Header row":"Строка заголовков",Heading:"Стиль","Heading 1":"Заголовок 1","Heading 2":"Заголовок 2","Heading 3":"Заголовок 3","Heading 4":"Заголовок 4","Heading 5":"Заголовок 5","Heading 6":"Заголовок 6",Height:"Высота","Horizontal text alignment toolbar":"Панель инструментов горизонтального выравнивания текста","Image resize list":"Список размеров","Image toolbar":"Панель инструментов изображения","image widget":"Виджет изображений","In line":"В тексте","Insert column left":"Вставить столбец слева","Insert column right":"Вставить столбец справа","Insert image":"Вставить изображение","Insert paragraph after block":"Вставить параграф после блока","Insert paragraph before block":"Вставить параграф перед блоком","Insert row above":"Вставить строку выше","Insert row below":"Вставить строку ниже","Insert table":"Вставить таблицу",Inset:"Вдавленная",Italic:"Курсив","Justify cell text":"Выровнять текст по ширине","Left aligned image":"Выравнивание по левому краю","Light blue":"Голубой","Light green":"Салатовый","Light grey":"Светло-серый",Link:"Ссылка","Link URL":"Ссылка URL","Merge cell down":"Объединить с ячейкой снизу","Merge cell left":"Объединить с ячейкой слева","Merge cell right":"Объединить с ячейкой справа","Merge cell up":"Объединить с ячейкой сверху","Merge cells":"Объединить ячейки",Next:"Следующий",None:"Нет","Numbered List":"Нумерованный список","Open in a new tab":"Открыть в новой вкладке","Open link in new tab":"Открыть ссылку в новой вкладке",Orange:"Оранжевый",Original:"Оригинальный",Outset:"Выпуклая",Padding:"Отступ",Paragraph:"Параграф",Previous:"Предыдущий",Purple:"Фиолетовый",Red:"Красный",Redo:"Повторить","Remove color":"Убрать цвет","Resize image":"Изменить размер изображения","Resize image to %0":"Изменить размер изображения до %0","Resize image to the original size":"Вернуть размер изображения к оригинальному","Restore default":"По умолчанию","Rich Text Editor":"Редактор","Rich Text Editor, %0":"Редактор, %0",Ridge:"Ребристая","Right aligned image":"Выравнивание по правому краю",Row:"Строка",Save:"Сохранить","Select all":"Выбрать все","Select column":"Выбрать столбец","Select row":"Выбрать строку","Show more items":"Другие инструменты","Side image":"Боковое изображение",Solid:"Сплошная","Split cell horizontally":"Разделить ячейку горизонтально","Split cell vertically":"Разделить ячейку вертикально",Strikethrough:"Зачеркнутый",Style:"Стиль","Table alignment toolbar":"Панель инструментов выравнивания таблицы","Table cell text alignment":"Выравнивание текста в ячейке таблицы","Table properties":"Свойства таблицы","Table toolbar":"Панель инструментов таблицы","Text alternative":"Альтернативный текст",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Неверный цвет. Попробуйте "#FF0000" или "rgb(255,0,0)" или "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Неверное значение. Попробуйте "10px" или "2em" или просто "2".',"This link has no URL":"Для этой ссылки не установлен адрес URL","To-do List":"Список задач","Toggle caption off":"Выключить описание","Toggle caption on":"Включить описание",Turquoise:"Бирюзовый",Undo:"Отменить",Unlink:"Убрать ссылку","Upload failed":"Загрузка не выполнена","Upload in progress":"Идёт загрузка","Vertical text alignment toolbar":"Панель инструментов вертикального выравнивания текста",White:"Белый","Widget toolbar":"Панель инструментов виджета",Width:"Ширина","Wrap text":"Обтекать текст",Yellow:"Жёлтый"}),t.getPluralForm=function(e){return e%10==1&&e%100!=11?0:e%10>=2&&e%10<=4&&(e%100<12||e%100>14)?1:e%10==0||e%10>=5&&e%10<=9||e%100>=11&&e%100<=14?2:3}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/si.js b/frontend/src/vendor/ckeditor/translations/si.js
new file mode 100644
index 0000000000..75a1e7aa8c
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/si.js
@@ -0,0 +1 @@
+!function(e){const i=e.si=e.si||{};i.dictionary=Object.assign(i.dictionary||{},{Bold:"තදකුරු","Break text":"","Bulleted List":"බුලටිත ලැයිස්තුව","Cannot upload file:":"ගොනුව යාවත්කාලීන කළ නොහැක:","Centered image":"","Change image text alternative":"",Code:"","Enter image caption":"","Full size image":"","Image resize list":"","Image toolbar":"","image widget":"","In line":"","Insert image":"පින්තූරය ඇතුල් කරන්න",Italic:"ඇලකුරු","Left aligned image":"","Numbered List":"අංකිත ලැයිස්තුව",Original:"",Redo:"නැවත කරන්න","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Right aligned image":"","Side image":"",Strikethrough:"","Text alternative":"","To-do List":"",Undo:"අහෝසි කරන්න","Upload failed":"උඩුගත කිරීම අසාර්ථක විය","Wrap text":""}),i.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/sk.js b/frontend/src/vendor/ckeditor/translations/sk.js
new file mode 100644
index 0000000000..c62d60e0db
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/sk.js
@@ -0,0 +1 @@
+!function(e){const o=e.sk=e.sk||{};o.dictionary=Object.assign(o.dictionary||{},{"%0 of %1":"%0 z %1","Align cell text to the bottom":"Zarovnať text bunky nadol","Align cell text to the center":"Zarovnať text bunky na stred","Align cell text to the left":"Zarovnať text bunky doľava","Align cell text to the middle":"Zarovnať text bunky na stred","Align cell text to the right":"Zarovnať text bunky doprava","Align cell text to the top":"Zarovnať text bunky nahor","Align table to the left":"Zarovnať tabuľku doľava","Align table to the right":"Zarovnať tabuľku doprava",Alignment:"Zarovnanie",Aquamarine:"Akvamarínová",Background:"Pozadie",Black:"Čierna","Block quote":"Citát",Blue:"Modrá",Bold:"Tučné",Border:"Orámovanie","Break text":"","Bulleted List":"Zoznam s odrážkami",Cancel:"Zrušiť","Cannot upload file:":"Nie je možné nahrať súbor:","Cell properties":"Vlastnosti bunky","Center table":"Centrovať tabuľku","Centered image":"Zarovnať na stred","Change image text alternative":"Zmeňte alternatívny text obrázka","Choose heading":"Vyberte nadpis",Code:"Kód",Color:"Farba","Color picker":"Vybrať farbu",Column:"Stĺpec",Dashed:"Čiarkovaná","Delete column":"Odstrániť stĺpec","Delete row":"Odstrániť riadok","Dim grey":"Tmavosivá",Dimensions:"Rozmery",Dotted:"Bodkovaná",Double:"Dvojitá",Downloadable:"Na stiahnutie","Dropdown toolbar":"Panel nástrojov roletového menu","Edit block":"Upraviť odsek","Edit link":"Upraviť odkaz","Editor toolbar":"Panel nástrojov editora","Enter image caption":"Vložte popis obrázka","Full size image":"Obrázok v plnej veľkosti",Green:"Zelená",Grey:"Sivá",Groove:"Drážkovaná","Header column":"Stĺpec hlavičky","Header row":"Riadok hlavičky",Heading:"Nadpis","Heading 1":"Nadpis 1","Heading 2":"Nadpis 2","Heading 3":"Nadpis 3","Heading 4":"Nadpis 4","Heading 5":"Nadpis 5","Heading 6":"Nadpis 6",Height:"Výška","Horizontal text alignment toolbar":"Horizontálne zarovnanie textu v panely","Image resize list":"Zoznam možností zmeny veľkosti","Image toolbar":"Panel nástrojov obrázka","image widget":"widget obrázka","In line":"","Insert column left":"Vložiť stĺpec vľavo","Insert column right":"Vložiť stĺpec vpravo","Insert image":"Vložiť obrázok","Insert paragraph after block":"Vložiť odstavec za blok","Insert paragraph before block":"Vložiť odstavec pred blok","Insert row above":"Vložiť riadok nad","Insert row below":"Vložiť riadok pod","Insert table":"Vložiť tabuľku",Inset:"Vložená z vnútra",Italic:"Kurzíva","Justify cell text":"Zarovnať text bunky z oboch strán","Left aligned image":"Zarovnať vľavo","Light blue":"Bledomodrá","Light green":"Bledozelená","Light grey":"Bledosivá",Link:"Odkaz","Link URL":"URL adresa","Merge cell down":"Zlúčiť bunku dole","Merge cell left":"Zlúčiť bunku vľavo","Merge cell right":"Zlúčiť bunku vpravo","Merge cell up":"Zlúčiť bunku hore","Merge cells":"Zlúčiť bunky",Next:"Ďalšie",None:"Žiadna","Numbered List":"Číslovaný zoznam","Open in a new tab":"Otvoriť v novej záložke","Open link in new tab":"Otvoriť odkaz v novom okne",Orange:"Oranžová",Original:"Originál",Outset:"Vložená zvonku",Padding:"Vnútorný okraj",Paragraph:"Odsek",Previous:"Predchádzajúce",Purple:"Fialová",Red:"Červená",Redo:"Znova","Remove color":"Zrušiť farbu","Resize image":"Zmeniť veľkosť obrázka","Resize image to %0":"Zmeniť veľkosť na %0","Resize image to the original size":"Zmeniť veľkosť na pôvodnú","Restore default":"Obnoviť predvolené","Rich Text Editor":"Editor s formátovaním","Rich Text Editor, %0":"Editor s formátovaním, %0",Ridge:"Rámovaná","Right aligned image":"Zarovnať vpravo",Row:"Riadok",Save:"Uložiť","Select all":"Označiť všetko","Select column":"Vybrať stĺpec","Select row":"Vybrať riadok","Show more items":"Zobraziť viac položiek","Side image":"Bočný obrázok",Solid:"Plná","Split cell horizontally":"Rozdeliť bunku vodorovne","Split cell vertically":"Rozdeliť bunku zvislo",Strikethrough:"Preškrtnuté",Style:"Štýl","Table alignment toolbar":"Panel zarovnania tabuľky","Table cell text alignment":"Zarovnanie textu v bunke","Table properties":"Vlastnosti tabuľky","Table toolbar":"Panel nástrojov tabuľky","Text alternative":"Alternatívny text",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Farba má nesprávny formát. Skúste "#FF0000", "rgb(255,0,0)" alebo "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'Hodnota je nesprávna. Skúste "10px", "2em" alebo jednoducho "2".',"This link has no URL":"Tento odkaz nemá nastavenú URL adresu","To-do List":"To-do zoznam","Toggle caption off":"","Toggle caption on":"",Turquoise:"Tyrkysová",Undo:"Späť",Unlink:"Zrušiť odkaz","Upload failed":"Nahrávanie zlyhalo","Upload in progress":"Prebieha nahrávanie","Vertical text alignment toolbar":"Vertikálne zarovnanie textu v panely",White:"Biela","Widget toolbar":"Panel nástrojov ovládacieho prvku",Width:"Šírka","Wrap text":"",Yellow:"Žltá"}),o.getPluralForm=function(e){return e%1==0&&1==e?0:e%1==0&&e>=2&&e<=4?1:e%1!=0?2:3}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/sl.js b/frontend/src/vendor/ckeditor/translations/sl.js
new file mode 100644
index 0000000000..aed02dbddb
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/sl.js
@@ -0,0 +1 @@
+!function(e){const o=e.sl=e.sl||{};o.dictionary=Object.assign(o.dictionary||{},{"%0 of %1":"",Aquamarine:"Akvamarin",Black:"Črna","Block quote":"Blokiraj citat",Blue:"Modra",Bold:"Krepko",Cancel:"Prekliči","Cannot upload file:":"Ni možno naložiti datoteke:","Choose heading":"Izberi naslov",Code:"Koda","Dim grey":"Temno siva","Dropdown toolbar":"","Edit block":"","Editor toolbar":"",Green:"Zelena",Grey:"Siva",Heading:"Naslov","Heading 1":"Naslov 1","Heading 2":"Naslov 2","Heading 3":"Naslov 3","Heading 4":"Naslov 4","Heading 5":"Naslov 5","Heading 6":"Naslov 6",Italic:"Poševno","Light blue":"Svetlo modra","Light green":"Svetlo zelena","Light grey":"Svetlo siva",Next:"",Orange:"Oranžna",Paragraph:"Odstavek",Previous:"",Purple:"Vijolična",Red:"Rdeča","Remove color":"Odstrani barvo","Restore default":"","Rich Text Editor":"","Rich Text Editor, %0":"",Save:"Shrani","Show more items":"",Strikethrough:"Prečrtano",Turquoise:"Turkizna",White:"Bela",Yellow:"Rumena"}),o.getPluralForm=function(e){return e%100==1?0:e%100==2?1:e%100==3||e%100==4?2:3}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/sq.js b/frontend/src/vendor/ckeditor/translations/sq.js
new file mode 100644
index 0000000000..bc3691a464
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/sq.js
@@ -0,0 +1 @@
+!function(e){const t=e.sq=e.sq||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"",Background:"",Black:"","Block quote":"Thonjëzat",Blue:"",Bold:"Trash",Border:"","Break text":"","Bulleted List":"Listë me Pika",Cancel:"Anulo","Cannot upload file:":"Nuk mund të ngarkojë skedën:","Cell properties":"","Center table":"","Centered image":"Foto e vendosur në mes","Change image text alternative":"Ndrysho tekstin zgjedhor të fotos","Choose heading":"Përzgjidh nëntitullin",Code:"Kod",Color:"","Color picker":"",Column:"Kolona",Dashed:"","Delete column":"Gris kolonën","Delete row":"Grish rreshtin","Dim grey":"",Dimensions:"",Dotted:"",Double:"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"Redakto nyjën","Editor toolbar":"","Enter image caption":"Shto përshkrimin e fotos","Full size image":"Foto me madhësi të plotë",Green:"",Grey:"",Groove:"","Header column":"Kolona e kokës","Header row":"Rreshti i kokës",Heading:"Nëntitulli","Heading 1":"Nëntitulli 1","Heading 2":"Nëntitulli 2","Heading 3":"Nëntitulli 3","Heading 4":"","Heading 5":"","Heading 6":"",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"Vegla e fotos","In line":"","Insert column left":"","Insert column right":"","Insert image":"Shto Foto","Insert row above":"Shto rresht sipër","Insert row below":"Shto rresht poshtë","Insert table":"Shto tabelë",Inset:"",Italic:"Pjerrtë","Justify cell text":"","Left aligned image":"Foto e vendosur majtas","Light blue":"","Light green":"","Light grey":"",Link:"Shto nyjën","Link URL":"Nyja e URL-së","Merge cell down":"Bashko kutizat poshtë","Merge cell left":"Bashko kutizat majtas","Merge cell right":"Bashko kutizat djathtas","Merge cell up":"Bashko kutizat sipër","Merge cells":"Bashko kutizat",Next:"",None:"","Numbered List":"Listë me Numra","Open in a new tab":"","Open link in new tab":"Hap nyjën në faqe të re",Orange:"",Original:"",Outset:"",Padding:"",Paragraph:"Paragrafi",Previous:"",Purple:"",Red:"",Redo:"Ribëj","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Redaktues i Tekstit të Pasur","Rich Text Editor, %0":"Redaktues i Tekstit të Pasur, %0",Ridge:"","Right aligned image":"Foto e vendosur djathtas",Row:"Rreshti",Save:"Ruaj","Select column":"","Select row":"","Show more items":"","Side image":"Foto anësore",Solid:"","Split cell horizontally":"Ndaj kutizat horizontalisht","Split cell vertically":"Ndajë kutizat vertikalisht",Strikethrough:"Vi në mes",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"Teksti zgjedhor",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Kjo nyje nuk ka URL","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"",Undo:"Rikthe",Unlink:"Largo nyjën","Upload failed":"Ngarkimi dështoi","Upload in progress":"Duke ngarkuar","Vertical text alignment toolbar":"",White:"",Width:"","Wrap text":"",Yellow:""}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/sr-latn.js b/frontend/src/vendor/ckeditor/translations/sr-latn.js
new file mode 100644
index 0000000000..8cbc6645bc
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/sr-latn.js
@@ -0,0 +1 @@
+!function(e){const a=e["sr-latn"]=e["sr-latn"]||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"%0 of %1","Align cell text to the bottom":"Poravnajte tekst ćelije prema dole","Align cell text to the center":"Poravnajte tekst ćelije u sredinu","Align cell text to the left":"Poravnajte tekst ćelije levo","Align cell text to the middle":"Poravnajte tekst ćelije u sredinu","Align cell text to the right":"Poravnajte tekst ćelije desno","Align cell text to the top":"Poravnajte tekst ćelije prema gore","Align table to the left":"Poravnajte tabelu na levu stranu","Align table to the right":"Poravnajte tabelu na desnu stranu",Alignment:"Poravnanje",Aquamarine:"Zelenkastoplava",Background:"Pozadina",Black:"Crna","Block quote":"Citat",Blue:"Plava",Bold:"Podebljano",Border:"Granica","Break text":"Prelom teksta","Bulleted List":"Nabrajane liste",Cancel:"Odustani","Cannot upload file:":"Postavljanje fajla je neuspešno:","Cell properties":"Svojstva ćelije","Center table":"Centar tabele","Centered image":"Slika u sredini","Change image text alternative":"Izmena alternativnog teksta","Choose heading":"Odredi stil",Code:"Kod",Color:"Boja","Color picker":"Birač boja",Column:"Kolona",Dashed:"Razbijeno","Delete column":"Briši kolonu","Delete row":"Briši red","Dim grey":"Bledo siva",Dimensions:"Dimenzija",Dotted:"Sa tačkama",Double:"Dvostruki",Downloadable:"Moguće preuzimanje","Dropdown toolbar":"Padajuća traka sa alatkama","Edit block":"Blok uređivač","Edit link":"Ispravi link","Editor toolbar":"Uređivač traka sa alatkama","Enter image caption":"Odredi tekst ispod slike","Full size image":"Slika u punoj veličini",Green:"Zelena",Grey:"Siva",Groove:"Kolosek","Header column":"Kolona za zaglavlje","Header row":"Red za zaglavlje",Heading:"Stilovi","Heading 1":"Naslov 1","Heading 2":"Naslov 2","Heading 3":"Naslov 3","Heading 4":"Naslov 4","Heading 5":"Naslov 5","Heading 6":"Naslov 6",Height:"Visina","Horizontal text alignment toolbar":"Horizontalna traka sa alatkama za  poravnavanje teksta","Image resize list":"Lista veličine slike","Image toolbar":"Slika traka sa alatkama","image widget":"modul sa slikom","In line":"U redu","Insert column left":"Dodaj kolonu levo","Insert column right":"Dodaj kolonu desno","Insert image":"Dodaj sliku","Insert paragraph after block":"Уметните одломак после блока","Insert paragraph before block":"Уметните одломак пре блока","Insert row above":"Dodaj red iznad","Insert row below":"Dodaj red ispod","Insert table":"Dodaj tabelu",Inset:"Prilog",Italic:"Kurziv","Justify cell text":"Opravdajte tekst ćelije","Left aligned image":"Leva slika","Light blue":"Svetloplava","Light green":"Svetlo zelena","Light grey":"Svetlo siva",Link:"Link","Link URL":"URL link","Merge cell down":"Spoj ćelije na dole","Merge cell left":"Spoj ćelije na levo","Merge cell right":"Spoj ćelije na desno","Merge cell up":"Spoj ćelije na gore","Merge cells":"Spoj ćelije",Next:"Sledeći",None:"Nijedan","Numbered List":"Lista sa brojevima","Open in a new tab":"Otvori u novoj kartici","Open link in new tab":"Otvori link u novom prozoru",Orange:"Narandžasta",Original:"Original",Outset:"Početak",Padding:"Postavljanje",Paragraph:"Pasus",Previous:"Prethodni",Purple:"Ljubičasta",Red:"Crvena",Redo:"Ponovo","Remove color":"Otkloni boju","Resize image":"Promenite veličinu slike","Resize image to %0":"Promenite veličinu slike na% 0","Resize image to the original size":"Promenite veličinu slike do originalne veličine","Restore default":"Vrati podrazumevano","Rich Text Editor":"Prošireni uređivač teksta","Rich Text Editor, %0":"Prošireni uređivač teksta, %0",Ridge:"Greben","Right aligned image":"Desna slika",Row:"Red",Save:"Sačuvaj","Select all":"Označi sve","Select column":"Odaberi kolonu","Select row":"Odaberi red","Show more items":"Prikaži još stavki","Side image":"Bočna slika",Solid:"Čvrst","Split cell horizontally":"Deli ćelije vodoravno","Split cell vertically":"Deli ćelije uspravno",Strikethrough:"Precrtan",Style:"Stil","Table alignment toolbar":"Traka sa alatkama za poravnavanje tabele","Table cell text alignment":"Poravnaj tekst u tabeli","Table properties":"Svojstva tabele","Table toolbar":"Tabela traka sa alatkama","Text alternative":"Alternativni tekst",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Boja je nevažeća. Pokušajte sa "# FF0000" ili "rgb (255,0,0)" ili "crvena".','The value is invalid. Try "10px" or "2em" or simply "2".':"Vrednost je nevažeća. Pokušajte sa „10pk“ ili „2em“ ili jednostavno „2“.","This link has no URL":"Link ne sadrži URL","To-do List":"Lista obaveza","Toggle caption off":"Isključivanje natpisa","Toggle caption on":"Uključite naslov",Turquoise:"Tirkizna",Undo:"Povlačenje",Unlink:"Оtkloni link","Upload failed":"Postavljanje neuspešno","Upload in progress":"Postavljanje u toku","Vertical text alignment toolbar":"Vertikalna traka sa alatkama za poravnavanje teksta",White:"Bela","Widget toolbar":"Видгет трака са алаткама",Width:"Širina","Wrap text":"Prelomiti tekst",Yellow:"Žuta"}),a.getPluralForm=function(e){return e%10==1&&e%100!=11?0:e%10>=2&&e%10<=4&&(e%100<10||e%100>=20)?1:2}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/sr.js b/frontend/src/vendor/ckeditor/translations/sr.js
new file mode 100644
index 0000000000..19e9a4621f
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/sr.js
@@ -0,0 +1 @@
+!function(e){const t=e.sr=e.sr||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 of %1","Align cell text to the bottom":"Поравнајте текст ћелије према доле","Align cell text to the center":"Поравнајте текст ћелије у средину","Align cell text to the left":"Поравнајте текст ћелије лево","Align cell text to the middle":"Поравнајте текст ћелије у средину","Align cell text to the right":"Поравнајте текст ћелије десно","Align cell text to the top":"Поравнајте текст ћелије према горе","Align table to the left":"Поравнајте табелу на леву страну","Align table to the right":"Поравнајте табелу на десну страну",Alignment:"Поравнање",Aquamarine:"Зеленкастоплава",Background:"Позадина",Black:"Црна","Block quote":"Цитат",Blue:"Плава",Bold:"Подебљано",Border:"Граница","Break text":"Прелом текста","Bulleted List":"Набрајане листе",Cancel:"Одустани","Cannot upload file:":"Постављање фајла је неуспешно:","Cell properties":"Својства ћелије","Center table":"Центар табеле","Centered image":"Слика у средини","Change image text alternative":"Измена алтернативног текста","Choose heading":"Одреди стил",Code:"Код",Color:"Боја","Color picker":"Бирач боја",Column:"Колона",Dashed:"Разбијено","Delete column":"Бриши колону","Delete row":"Бриши ред","Dim grey":"Бледо сива",Dimensions:"Димензија",Dotted:"Са тачкама",Double:"Двоструко",Downloadable:"Могуће преузимање","Dropdown toolbar":"Падајућа трака са алаткама","Edit block":"Блок уређивач","Edit link":"Исправи линк","Editor toolbar":"Уређивач трака са алаткама","Enter image caption":"Одреди текст испод слике","Full size image":"Слика у пуној величини",Green:"Зелена",Grey:"Сива",Groove:"Колосек","Header column":"Колона за заглавље","Header row":"Ред за заглавлје",Heading:"Стилови","Heading 1":"Наслов 1","Heading 2":"Наслов 2","Heading 3":"Наслов 3","Heading 4":"Наслов 4","Heading 5":"Наслов 5","Heading 6":"Наслов 6",Height:"Висина","Horizontal text alignment toolbar":"Хоризонтална трака са алаткама за поравнање текста","Image resize list":"Листа величине слике","Image toolbar":"Слика трака са алтакама","image widget":"модул са сликом","In line":"У реду","Insert column left":"Додај колону лево","Insert column right":"Додај колону десно","Insert image":"Додај слику","Insert paragraph after block":"Umetnite odlomak posle bloka","Insert paragraph before block":"Umetnite odlomak pre bloka","Insert row above":"Додај ред изнад","Insert row below":"Додај ред испод","Insert table":"Додај табелу",Inset:"Прилог",Italic:"Курзив","Justify cell text":"Оправдајте текст ћелије","Left aligned image":"Лева слика","Light blue":"Светлоплава","Light green":"Светлозелена","Light grey":"Светло сива",Link:"Линк","Link URL":"УРЛ линк","Merge cell down":"Спој ћелије на доле","Merge cell left":"Cпој ћелије на лево","Merge cell right":"Спој ћелије на десно","Merge cell up":"Спој ћелије на горе","Merge cells":"Спој ћелије",Next:"Следећи",None:"Ниједан","Numbered List":"Листа са бројевима","Open in a new tab":"Отвори у новој картици","Open link in new tab":"Отвори линк у новом прозору",Orange:"Нараџаста",Original:"Оригинал",Outset:"Почетак",Padding:"Постављање",Paragraph:"Пасус",Previous:"Претходни",Purple:"Љубичаста",Red:"Црвена",Redo:"Поново","Remove color":"Отклони боју","Resize image":"Промените величину слике","Resize image to %0":"Промените величину слике на% 0","Resize image to the original size":"Промените величину слике до оригиналне величине","Restore default":"Врати подразумевано","Rich Text Editor":"Проширен уређивач текста","Rich Text Editor, %0":"Проширени уређивач текста, %0",Ridge:"Гребен","Right aligned image":"Десна слика",Row:"Ред",Save:"Сачувај","Select all":"Означи све.","Select column":"Изабери колону","Select row":"Изабери ред","Show more items":"Прикажи још ставки","Side image":"Бочна слика",Solid:"Чврст","Split cell horizontally":"Дели ћелије водоравно","Split cell vertically":"Дели ћелије усправно",Strikethrough:"Прецртан",Style:"Стил","Table alignment toolbar":"Трака са алаткама за поравнање табеле","Table cell text alignment":"Поравнај тексту табели","Table properties":"Својства табеле","Table toolbar":"Табела трака са алаткама","Text alternative":"Алтернативни текст",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Боја је неважећа. Покушајте са "#FF0000" или "rgb(255,0,0)" или "црвена".','The value is invalid. Try "10px" or "2em" or simply "2".':'Вредност је неважећа. Покушајте са "10px" или "2em" или једноставно "2".',"This link has no URL":"Линк не садржи УРЛ","To-do List":"Листа обавеза","Toggle caption off":"Искључивање натписа ","Toggle caption on":"Укључите наслов ",Turquoise:"Тиркизна",Undo:"Повлачење",Unlink:"Отклони линк","Upload failed":"Постављање неуспешно","Upload in progress":"Постављање у току","Vertical text alignment toolbar":"Вертикална трака са алаткама за поравнање текста",White:"Бела","Widget toolbar":"Widget traka sa alatkama",Width:"Ширина","Wrap text":"Преломити текст",Yellow:"Жута"}),t.getPluralForm=function(e){return e%10==1&&e%100!=11?0:e%10>=2&&e%10<=4&&(e%100<10||e%100>=20)?1:2}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/sv.js b/frontend/src/vendor/ckeditor/translations/sv.js
new file mode 100644
index 0000000000..cc8138e826
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/sv.js
@@ -0,0 +1 @@
+!function(e){const t=e.sv=e.sv||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"",Background:"",Black:"","Block quote":"Blockcitat",Blue:"",Bold:"Fet",Border:"","Break text":"","Bulleted List":"Punktlista",Cancel:"Avbryt","Cannot upload file:":"Kan inte ladda upp fil:","Cell properties":"","Center table":"","Centered image":"Centrerad bild","Change image text alternative":"Ändra bildens alternativa text","Choose heading":"Välj rubrik",Code:"Kod",Color:"","Color picker":"",Column:"Kolumn",Dashed:"","Delete column":"Ta bort kolumn","Delete row":"Ta bort rad","Dim grey":"",Dimensions:"",Dotted:"",Double:"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"Redigera länk","Editor toolbar":"","Enter image caption":"Fyll i bildtext","Full size image":"Bild i full storlek",Green:"",Grey:"",Groove:"","Header column":"","Header row":"",Heading:"Rubrik","Heading 1":"Rubrik 1","Heading 2":"Rubrik 2","Heading 3":"Rubrik 3","Heading 4":"Rubrik 4","Heading 5":"Rubrik 5","Heading 6":"Rubrik 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"image widget","In line":"","Insert column left":"","Insert column right":"","Insert image":"Infoga bild","Insert row above":"","Insert row below":"","Insert table":"Lägg in tabell",Inset:"",Italic:"Kursiv","Justify cell text":"","Left aligned image":"Vänsterjusterad bild","Light blue":"","Light green":"","Light grey":"",Link:"Länk","Link URL":"Länkens URL","Merge cell down":"","Merge cell left":"","Merge cell right":"","Merge cell up":"","Merge cells":"",Next:"",None:"","Numbered List":"Numrerad lista","Open in a new tab":"","Open link in new tab":"Öppna länk i ny flik",Orange:"",Original:"",Outset:"",Padding:"",Paragraph:"Paragraf",Previous:"",Purple:"",Red:"",Redo:"Gör om","Remove color":"","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Rich Text-editor","Rich Text Editor, %0":"Rich Text-editor, %0",Ridge:"","Right aligned image":"Högerjusterad bild",Row:"Rad",Save:"Spara","Select column":"","Select row":"","Show more items":"","Side image":"Kantbild",Solid:"","Split cell horizontally":"","Split cell vertically":"",Strikethrough:"Genomstruken",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"Alternativ text",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Denna länk saknar URL","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"",Undo:"Ångra",Unlink:"Ta bort länk","Upload failed":"Uppladdning misslyckades","Vertical text alignment toolbar":"",White:"",Width:"","Wrap text":"",Yellow:""}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/th.js b/frontend/src/vendor/ckeditor/translations/th.js
new file mode 100644
index 0000000000..5e38c5d328
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/th.js
@@ -0,0 +1 @@
+!function(e){const t=e.th=e.th||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"พลอยสีฟ้า",Background:"",Black:"สีดำ","Block quote":"คำพูดบล็อก",Blue:"สีน้ำเงิน",Border:"","Break text":"",Cancel:"ยกเลิก","Cannot upload file:":"ไม่สามารถอัปโหลดไฟล์ได้:","Cell properties":"","Center table":"","Centered image":"จัดแนวรูปกึ่งกลาง","Change image text alternative":"เปลี่ยนข้อความเมื่อไม่พบรูป","Choose heading":"เลือกขนาดหัวข้อ",Color:"","Color picker":"",Column:"คอลัมน์",Dashed:"","Delete column":"ลบคอลัมน์","Delete row":"ลบแถว","Dim grey":"สีเทาเข้ม",Dimensions:"",Dotted:"",Double:"","Dropdown toolbar":"","Edit block":"","Editor toolbar":"","Enter image caption":"ระบุคำอธิบายภาพ","Full size image":"รูปขนาดเต็ม",Green:"สีเขียว",Grey:"สีเทา",Groove:"","Header column":"หัวข้อคอลัมน์","Header row":"ส่วนหัวแถว",Heading:"หัวข้อ","Heading 1":"หัวข้อขนาด 1","Heading 2":"","Heading 3":"","Heading 4":"","Heading 5":"","Heading 6":"",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"เครื่องมือรูปภาพ","image widget":"วิดเจ็ตรูปภาพ","In line":"","Insert column left":"แทรกคอลัมน์ทางซ้าย","Insert column right":"แทรกคอลัมน์ทางขวา","Insert image":"แทรกรูป","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"แทรกส่วนหัวด้านบน","Insert row below":"แทรกส่วนหัวด้านล่าง","Insert table":"แทรกตาราง",Inset:"","Justify cell text":"","Left aligned image":"จัดแนวภาพซ้าย","Light blue":"สีฟ้า","Light green":"สีเขียวอ่อน","Light grey":"สีเทาอ่อน","Merge cell down":"ผสานเซลล์ด้านล่าง","Merge cell left":"ผสานเซลล์ด้านซ้าย","Merge cell right":"ผสานเซลล์ด้านขวา","Merge cell up":"ผสานเซลล์ด้านบน","Merge cells":"ผสานเซลล์",Next:"",None:"",Orange:"สีส้ม",Original:"",Outset:"",Padding:"",Paragraph:"ย่อหน้า",Previous:"",Purple:"สีม่วง",Red:"สีแดง",Redo:"ทำซ้ำ","Remove color":"ลบสี","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"","Rich Text Editor, %0":"",Ridge:"","Right aligned image":"จัดแนวภาพขวา",Row:"แถว",Save:"บันทึก","Select column":"","Select row":"","Show more items":"","Side image":"รูปด้านข้าง",Solid:"","Split cell horizontally":"แยกเซลล์แนวนอน","Split cell vertically":"แยกเซลล์แนวตั้ง",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"เครื่องมือตาราง","Text alternative":"ข้อความเมื่อไม่พบรูป",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","Toggle caption off":"","Toggle caption on":"",Turquoise:"สีเขียวขุ่น",Undo:"ย้อนกลับ","Upload failed":"อัปโหลดไม่สำเร็จ","Upload in progress":"กำลังดำเนินการอัปโหลด","Vertical text alignment toolbar":"",White:"สีขาว","Widget toolbar":"แถมเครื่องมือวิดเจ็ต",Width:"","Wrap text":"",Yellow:"สีเหลือง"}),t.getPluralForm=function(e){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/tk.js b/frontend/src/vendor/ckeditor/translations/tk.js
new file mode 100644
index 0000000000..b189a4644c
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/tk.js
@@ -0,0 +1 @@
+!function(e){const a=e.tk=e.tk||{};a.dictionary=Object.assign(a.dictionary||{},{"%0 of %1":"%1-iň %0-i","Align cell text to the bottom":"Öýjük tekstini aşagyna deňleşdiriň","Align cell text to the center":"Öýjük tekstini merkeze deňleşdiriň","Align cell text to the left":"Öýjük tekstini çepe deňleşdiriň","Align cell text to the middle":"Öýjük tekstini ortasyna deňleşdiriň","Align cell text to the right":"Öýjük tekstini saga deňleşdiriň","Align cell text to the top":"Öýjük tekstini ýokarsyna deňleşdiriň","Align table to the left":"Tablisany çepe deňleşdiriň","Align table to the right":"Tablisany sag tarapa deňleşdiriň",Alignment:"Deňleşdirmek",Aquamarine:"Akuamarin",Background:"Arka",Black:"Gara","Block quote":"Sitata blokirläň",Blue:"Gök",Bold:"Galyň",Border:"Serhet","Break text":"","Bulleted List":"Bullet sanawy",Cancel:"Ýatyr","Cannot upload file:":"Faýl ýükläp bolmady:","Cell properties":"Öýjük aýratynlyklary","Center table":"Tablisany merkezleşdiriň","Centered image":"Merkezleşdirilen surat","Change image text alternative":"Surat tekstiniň alternatiwasyny üýtgediň","Choose heading":"Sözbaşy saýlaň",Code:"Kod",Color:"Reňk","Color picker":"Reňk saýlaýjy",Column:"Sütün",Dashed:"Çyzykly","Delete column":"Sütüni pozuň","Delete row":"Setiri poz","Dim grey":"Goýy çal",Dimensions:"Ölçegleri",Dotted:"Nokatly",Double:"Goşa",Downloadable:"Göçürip alyp bolýar","Dropdown toolbar":"Açylýan gurallar paneli","Edit block":"Bloky redaktirläň","Edit link":"Baglanyşygy üýtget","Editor toolbar":"Redaktor gurallar paneli","Enter image caption":"Surat ýazgysyny giriziň","Full size image":"Doly ululykdaky surat",Green:"Ýaşyl",Grey:"Çal",Groove:"Groove","Header column":"Sözbaşy sütüni","Header row":"Sözbaşy hatary",Heading:"Sözbaşy","Heading 1":"Sözbaşy 1","Heading 2":"Sözbaşy 2","Heading 3":"Sözbaşy 3","Heading 4":"Sözbaşy 4","Heading 5":"Sözbaşy 5","Heading 6":"Sözbaşy 6",Height:"Boý","Horizontal text alignment toolbar":"Kese tekst tekizlemek gurallar paneli","Image resize list":"","Image toolbar":"Surat gurallar paneli","image widget":"surat widjeti","In line":"","Insert column left":"Sütüni çepe goýuň","Insert column right":"Sütüni saga goýuň","Insert image":"Surat goýuň","Insert paragraph after block":"Blokdan soň abzas goýuň","Insert paragraph before block":"Blokdan öň abzas goýuň","Insert row above":"Hatary ýokaryk goýuň","Insert row below":"Hatary aşak goýuň","Insert table":"Tablisa goýuň",Inset:"Inset",Italic:"Italik","Justify cell text":"Öýjük tekstini esaslandyryň","Left aligned image":"Çep deňleşdirilen surat","Light blue":"Açyk gök","Light green":"Açyk ýaşyl","Light grey":"Açyk çal",Link:"Baglanyşyk","Link URL":"URL baglanyşygy","Merge cell down":"Öýjügi aşak birleşdiriň","Merge cell left":"Öýjügi çepe birleşdiriň","Merge cell right":"Öýjügi saga birleşdiriň","Merge cell up":"Öýjügi ýokary birleşdiriň","Merge cells":"Öýjükleri birleşdiriň",Next:"Indiki",None:"Hiç","Numbered List":"Sanly sanaw","Open in a new tab":"Täze goýmada açyň","Open link in new tab":"Täze goýmada baglanyşyk açyň",Orange:"Mämişi",Original:"",Outset:"Outset",Padding:"Padding",Paragraph:"Abzas",Previous:"Öňki",Purple:"Gyrmyzy",Red:"Gyzyl",Redo:"Öňe gaýtar","Remove color":"Reňki aýyryň","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"Baý Tekst Redaktory","Rich Text Editor, %0":"Baý Tekst Redaktory, %0",Ridge:"Kertik","Right aligned image":"Sag deňleşdirilen surat",Row:"Setir",Save:"Saklaň","Select all":"Ählisini saýla","Select column":"Sütün saýlaň","Select row":"Setir saýlaň","Show more items":"Has köp zady görkeziň","Side image":"Gapdal surat",Solid:"Gaty","Split cell horizontally":"Öýjügi keseligine bölüň","Split cell vertically":"Öýjügi dikligine bölüň",Strikethrough:"Üsti çyzykly",Style:"Stil","Table alignment toolbar":"Tablisa deňleşdirmek gurallar paneli","Table cell text alignment":"Tablisa öýjükleriniň tekstini deňleşdirmek","Table properties":"Tablisa aýratynlyklary","Table toolbar":"Tablisa gurallar paneli","Text alternative":"Tekstiň alternatiwasy",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Reňki nädogry "#FF0000" ýa-da "rgb(255,0,0)" ýa-da "gyzyl" barlap görüň.','The value is invalid. Try "10px" or "2em" or simply "2".':'Baha nädogry "10px" ýa-da "2em" ýa-da diňe "2" barlap görüň.',"This link has no URL":"Bu baglanyşykda URL ýok","To-do List":"Edilmeli işleriň sanawy","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turkuaz",Undo:"Yza gaýtar",Unlink:"Baglanyşygy aýyr","Upload failed":"Ýükläp bolmady","Upload in progress":"Ýüklemek dowam edýär","Vertical text alignment toolbar":"Dik tekst tekizlemek gurallar paneli",White:"Ak","Widget toolbar":"Widget gurallar paneli",Width:"Ini","Wrap text":"",Yellow:"Sary"}),a.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/tr.js b/frontend/src/vendor/ckeditor/translations/tr.js
new file mode 100644
index 0000000000..1d9f80528b
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/tr.js
@@ -0,0 +1 @@
+!function(e){const i=e.tr=e.tr||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"%0/%1","Align cell text to the bottom":"Hücre içindeki metni alta hizala","Align cell text to the center":"Hücre içindeki metnini ortaya hizalama","Align cell text to the left":"Hücre içindeki metnini sola hizala","Align cell text to the middle":"Hücre içindeki metni ortaya hizala","Align cell text to the right":"Hücre içindeki metnini sağa hizala","Align cell text to the top":"Hücre içindeki metni üste hizala","Align table to the left":"Tabloyu sola hizala","Align table to the right":"Tabloyu sağa hizala",Alignment:"Hizalama",Aquamarine:"Su Yeşili",Background:"Arkaplan",Black:"Siyah","Block quote":"Alıntı",Blue:"Mavi",Bold:"Kalın",Border:"Kenar","Break text":"","Bulleted List":"Simgeli Liste",Cancel:"İptal","Cannot upload file:":"Dosya yüklenemedi:","Cell properties":"Hücre özellikleri","Center table":"Tabloyu ortala","Centered image":"Ortalanmış görsel","Change image text alternative":"Görsel alternatif yazısını değiştir","Choose heading":"Başlık tipi seç",Code:"Kod",Color:"Renk","Color picker":"Renk seçici",Column:"Kolon",Dashed:"Kesik çizgili","Delete column":"Kolonu sil","Delete row":"Satırı sil","Dim grey":"Koyu Gri",Dimensions:"Ölçüler",Dotted:"Noktalı",Double:"Çift",Downloadable:"İndirilebilir","Dropdown toolbar":"Açılır araç çubuğu","Edit block":"Bloğu Düzenle","Edit link":"Bağlantıyı değiştir","Editor toolbar":"Düzenleme araç çubuğu","Enter image caption":"Resim açıklaması gir","Full size image":"Tam Boyut Görsel",Green:"Yeşil",Grey:"Gri",Groove:"Yiv","Header column":"Başlık kolonu","Header row":"Başlık satırı",Heading:"Başlık","Heading 1":"1. Seviye Başlık","Heading 2":"2. Seviye Başlık","Heading 3":"3. Seviye Başlık","Heading 4":"4. Seviye Başlık","Heading 5":"5. Seviye Başlık","Heading 6":"6. Seviye Başlık",Height:"Yükseklik","Horizontal text alignment toolbar":"Yatay metin hizalama araç çubuğu","Image resize list":"","Image toolbar":"Resim araç çubuğu","image widget":"resim aracı","In line":"","Insert column left":"Sola kolon ekle","Insert column right":"Sağa kolon ekle","Insert image":"Görsel Ekle","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Üste satır ekle","Insert row below":"Alta satır ekle","Insert table":"Tablo Ekle",Inset:"İçe",Italic:"İtalik","Justify cell text":"Hücre içindeki metini iki yana yasla","Left aligned image":"Sola hizalı görsel","Light blue":"Açık Mavi","Light green":"Açık Yeşil","Light grey":"Açık Gri",Link:"Bağlantı","Link URL":"Bağlantı Adresi","Merge cell down":"Aşağıya doğru birleştir","Merge cell left":"Sola doğru birleştir","Merge cell right":"Sağa doğru birleştir","Merge cell up":"Yukarı doğru birleştir","Merge cells":"Hücreleri birleştir",Next:"Sonraki",None:"Yok","Numbered List":"Numaralı Liste","Open in a new tab":"Yeni sekmede aç","Open link in new tab":"Yeni sekmede aç",Orange:"Turuncu",Original:"Orijinal",Outset:"Dışarıya",Padding:"İç boşluk",Paragraph:"Paragraf",Previous:"Önceki",Purple:"Mor",Red:"Kırmızı",Redo:"Tekrar yap","Remove color":"Rengi Sil","Resize image":"Resmi boyutlandır","Resize image to %0":"Resmi %0 ölçülerine boyutlandır","Resize image to the original size":"Resmi orijinal büyüklüğüne al","Restore default":"","Rich Text Editor":"Zengin İçerik Editörü","Rich Text Editor, %0":"Zengin İçerik Editörü, %0",Ridge:"Yükselti","Right aligned image":"Sağa hizalı görsel",Row:"Satır",Save:"Kaydet","Select all":"Hepsini seç","Select column":"Kolon seç","Select row":"Satır seç","Show more items":"Daha fazla öğe göster","Side image":"Yan Görsel",Solid:"Dolu","Split cell horizontally":"Hücreyi yatay böl","Split cell vertically":"Hücreyi dikey böl",Strikethrough:"Üstü çizili",Style:"Stil","Table alignment toolbar":"Tablo hizalama araç çubuğu","Table cell text alignment":"Tablo hücresi metin hizalaması","Table properties":"Tablo özellikleri","Table toolbar":"Tablo araç çubuğu","Text alternative":"Yazı alternatifi",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Geçersiz renk. "#FF0000" veya "rgb(255,0,0)" veya "red" deneyin.','The value is invalid. Try "10px" or "2em" or simply "2".':'Geçersiz değer. "10px" veya "2em" veya sadece "2" deneyin.',"This link has no URL":"Bağlantı adresi yok","To-do List":"Yapılacaklar Listesi","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turkuaz",Undo:"Geri al",Unlink:"Bağlantıyı kaldır","Upload failed":"Yükleme başarsız","Upload in progress":"Yükleme işlemi devam ediyor","Vertical text alignment toolbar":"Dikey metin hizalama araç çubuğu",White:"Beyaz","Widget toolbar":"Bileşen araç çubuğu",Width:"Genişlik","Wrap text":"",Yellow:"Sarı"}),i.getPluralForm=function(e){return e>1}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/tt.js b/frontend/src/vendor/ckeditor/translations/tt.js
new file mode 100644
index 0000000000..c3f6153094
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/tt.js
@@ -0,0 +1 @@
+!function(o){const t=o.tt=o.tt||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"",Bold:"Калын",Cancel:"",Code:"Код",Italic:"",Redo:"Кабатла","Remove color":"","Restore default":"",Save:"Сакла","Show more items":"",Strikethrough:"",Undo:""}),t.getPluralForm=function(o){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/ug.js b/frontend/src/vendor/ckeditor/translations/ug.js
new file mode 100644
index 0000000000..0db906c8f2
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/ug.js
@@ -0,0 +1 @@
+!function(e){const t=e.ug=e.ug||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"",Aquamarine:"",Background:"",Black:"","Block quote":"نەقىل",Blue:"",Bold:"توم",Border:"","Break text":"","Bulleted List":"بەلگە تىزىملىك",Cancel:"ئىناۋەتسىز","Cannot upload file:":"يۈكلەشكە بولمايدىغان ھۆججەت:","Cell properties":"","Center table":"","Centered image":"ئوتتۇردىكى رەسىم","Change image text alternative":"رەسىملىك تېكىست تاللىغۇچنى ئۆزگەرتىش","Choose heading":"ماۋزۇ تاللاش",Code:"كود",Color:"","Color picker":"",Column:"",Dashed:"","Delete column":"","Delete row":"","Dim grey":"",Dimensions:"",Dotted:"",Double:"",Downloadable:"","Dropdown toolbar":"","Edit block":"","Edit link":"","Editor toolbar":"","Enter image caption":"رەسىمنىڭ تېمىسىنى كىرگۈزۈڭ","Full size image":"ئەسلى چوڭلۇقتىكى رەسىم",Green:"",Grey:"",Groove:"","Header column":"","Header row":"",Heading:"ماۋزۇ","Heading 1":"ماۋزۇ 1","Heading 2":"ماۋزۇ 2","Heading 3":"ماۋزۇ 3","Heading 4":"ماۋزۇ 4","Heading 5":"ماۋزۇ 5","Heading 6":"ماۋزۇ 6",Height:"","Horizontal text alignment toolbar":"","Image resize list":"","Image toolbar":"","image widget":"رەسىمچىك","In line":"","Insert column left":"","Insert column right":"","Insert image":"رەسىم قىستۇرۇش","Insert row above":"","Insert row below":"","Insert table":"جەدۋەل قىستۇر",Inset:"",Italic:"يانتۇ","Justify cell text":"","Left aligned image":"سولغا توغۇرلانغان رەسىم","Light blue":"","Light green":"","Light grey":"",Link:"ئۇلانما","Link URL":"ئۇلاش ئادىرسى","Merge cell down":"","Merge cell left":"","Merge cell right":"","Merge cell up":"","Merge cells":"",Next:"",None:"","Numbered List":"نومۇرلۇق تىزىملىك","Open in a new tab":"","Open link in new tab":"",Orange:"",Original:"",Outset:"",Padding:"",Paragraph:"ئابزاس",Previous:"",Purple:"",Red:"",Redo:"تەكرارلاش","Remove color":"رەڭنى چىقىرىۋېتىش","Resize image":"","Resize image to %0":"","Resize image to the original size":"","Restore default":"","Rich Text Editor":"تېكىست تەھرىرلىگۈچ","Rich Text Editor, %0":"تېكىست تەھرىرلىگۈچ، %0",Ridge:"","Right aligned image":"ئوڭغا توغۇرلانغان رەسىم",Row:"",Save:"ساقلاش","Select column":"","Select row":"","Show more items":"","Side image":"يان رەسىم",Solid:"","Split cell horizontally":"","Split cell vertically":"",Strikethrough:"ئۆچۈرۈش سىزىقى",Style:"","Table alignment toolbar":"","Table cell text alignment":"","Table properties":"","Table toolbar":"","Text alternative":"تېكىست ئاملاشتۇرۇش",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"",Undo:"يېنىۋېلىش",Unlink:"ئۇلانمىنى ئۈزۈش","Upload failed":"چىقىرىش مەغلۇپ بولدى","Vertical text alignment toolbar":"",White:"",Width:"","Wrap text":"",Yellow:""}),t.getPluralForm=function(e){return 1!=e}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/uk.js b/frontend/src/vendor/ckeditor/translations/uk.js
new file mode 100644
index 0000000000..3150690ec4
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/uk.js
@@ -0,0 +1 @@
+!function(e){const t=e.uk=e.uk||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0 із %1","Align cell text to the bottom":"Вирівняти текст комірки по низу","Align cell text to the center":"Вирівняти текст по центру","Align cell text to the left":"Вирівняти текст по лівому краю","Align cell text to the middle":"Вирівняти текст комірки по середині","Align cell text to the right":"Вирівняти текст по правому краю","Align cell text to the top":"Вирівняти текст комірки по верху ","Align table to the left":"Вирівняти таблицю по лівому краю","Align table to the right":"Вирівняти таблицю по правому краю ",Alignment:"Вирівнювання",Aquamarine:"Аквамариновий",Background:"Фон",Black:"Чорний","Block quote":"Цитата",Blue:"Синій",Bold:"Жирний",Border:"Межа","Break text":"","Bulleted List":"Маркерний список",Cancel:"Відміна","Cannot upload file:":"Неможливо завантажити файл:","Cell properties":"Властивості комірок","Center table":"Відцентрувати таблицю","Centered image":"Зображення по центру","Change image text alternative":"Змінити текстову альтернативу зображення","Choose heading":"Оберіть заголовок",Code:"Код",Color:"Колір","Color picker":"Вибір кольору",Column:"Стовпець",Dashed:"Пунктирна","Delete column":"Видалити стовпець","Delete row":"Видалити рядок","Dim grey":"Темно-сірий",Dimensions:"Розміри",Dotted:"Точкова",Double:"Подвійна",Downloadable:"Завантажувальне","Dropdown toolbar":"Випадаюча панель інструментів","Edit block":"Редагувати блок","Edit link":"Редагувати посилання","Editor toolbar":"Панель інструментів редактора","Enter image caption":"Введіть підпис зображення","Full size image":"Повний розмір зображення",Green:"Зелений",Grey:"Сірий",Groove:"Жолобчаста","Header column":"Заголовок стовпця","Header row":"Заголовок рядка",Heading:"Заголовок","Heading 1":"Заголовок 1","Heading 2":"Заголовок 2","Heading 3":"Заголовок 3","Heading 4":"Заголовок 4","Heading 5":"Заголовок 5","Heading 6":"Заголовок 6",Height:"Висота","Horizontal text alignment toolbar":"Панель інструментів вирівнювання горизонтального тексту","Image resize list":"Перелік розмірів","Image toolbar":"Панелі інструментів зображення","image widget":"Віджет зображення","In line":"","Insert column left":"Вставити стовпець зліва","Insert column right":"Вставити стовпець справа","Insert image":"Вставити зображення","Insert paragraph after block":"Додати абзац після блока","Insert paragraph before block":"Додати абзац перед блоком","Insert row above":"Вставити рядок знизу","Insert row below":"Вставити рядок зверху","Insert table":"Вставити таблицю",Inset:"Угнута",Italic:"Курсив","Justify cell text":"Вирівняти текст по ширині ","Left aligned image":"Зображення ліворуч","Light blue":"Світло-синій","Light green":"Світло-зелений","Light grey":"Світло-сірий",Link:"Посилання","Link URL":"URL посилання","Merge cell down":"Поєднати комірки внизу","Merge cell left":"Поєднати комірки ліворуч","Merge cell right":"Поєднати комірки праворуч","Merge cell up":"Поєднати комірки вгору","Merge cells":"Поєднати комірки",Next:"Наступний",None:"Не вказано","Numbered List":"Нумерований список","Open in a new tab":"Вікрити у новій вкладці","Open link in new tab":"Відкрити посилання у новій вкладці",Orange:"Помаранчевий",Original:"Оригінал",Outset:"Випукла",Padding:"Заповнення",Paragraph:"Параграф",Previous:"Попередній",Purple:"Фіолетовий",Red:"Червоний",Redo:"Повтор","Remove color":"Видалити колір","Resize image":"Розтягнути зображення","Resize image to %0":"Розтягнути зображення до %0","Resize image to the original size":"Розтягнути зображення до оригінального розміру","Restore default":"","Rich Text Editor":"Розширений текстовий редактор","Rich Text Editor, %0":"Розширений текстовий редактор, %0",Ridge:"Ребриста","Right aligned image":"Зображення праворуч",Row:"Рядок",Save:"Зберегти","Select all":"Вибрати все","Select column":"Виберіть стовпчик","Select row":"Виберіть рядок","Show more items":"Показати більше","Side image":"Бокове зображення",Solid:"Суцільний","Split cell horizontally":"Розділити комірки горизонтально","Split cell vertically":"Розділити комірки вертикально",Strikethrough:"Закреслений",Style:"Стиль","Table alignment toolbar":"Панель інструментів вирівнювання таблиці","Table cell text alignment":"Вирівнювання тексту комірки","Table properties":"Властивості таблиці","Table toolbar":"Панель інструментів таблиці","Text alternative":"Текстова альтернатива",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Колір недійсний. Спробуйте "#FF0000" або "rgb(255,0,0)" або "red"','The value is invalid. Try "10px" or "2em" or simply "2".':'Значення недійсне. Спробуйте "10px" або "2em" або просто "2"',"This link has no URL":"Це посилання не має URL","To-do List":"Список справ","Toggle caption off":"","Toggle caption on":"",Turquoise:"Бірюзовий",Undo:"Відміна",Unlink:"Видалити посилання","Upload failed":"Завантаження не вдалось","Upload in progress":"Виконується завантаження","Vertical text alignment toolbar":"Панель інструментів вертикального вирівнювання тексту",White:"Білий","Widget toolbar":"Панель інструментів віджетів",Width:"Ширина","Wrap text":"",Yellow:"Жовтий"}),t.getPluralForm=function(e){return e%1==0&&e%10==1&&e%100!=11?0:e%1==0&&e%10>=2&&e%10<=4&&(e%100<12||e%100>14)?1:e%1==0&&(e%10==0||e%10>=5&&e%10<=9||e%100>=11&&e%100<=14)?2:3}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/uz.js b/frontend/src/vendor/ckeditor/translations/uz.js
new file mode 100644
index 0000000000..2e6b393fd3
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/uz.js
@@ -0,0 +1 @@
+!function(a){const i=a.uz=a.uz||{};i.dictionary=Object.assign(i.dictionary||{},{"%0 of %1":"","Align cell text to the bottom":"Hujayra matnini pastga tekislash","Align cell text to the center":"Matnni markazga tekislash","Align cell text to the left":"Matnni chapga tekislash","Align cell text to the middle":"Hujayra matnini markazga tekislash","Align cell text to the right":"Matnni o'ngga tekislash","Align cell text to the top":"Hujayra matnini tepaga tekislash","Align table to the left":"Jadvalni chap tomonga tekislash","Align table to the right":"Jadvalni o'ngga tekislash",Alignment:"Tekislash",Aquamarine:"Akuamarin",Background:"Fon",Black:"Qora","Block quote":"Iqtibos",Blue:"Ko'k",Bold:"Qalin",Border:"Chegara","Break text":"","Bulleted List":"Belgilangan roʻyxat",Cancel:"Bekor qilish","Cell properties":"Hujayra xususiyatlari","Center table":"Jadvalni markazga tekislash","Centered image":"Markazga tekislash","Change image text alternative":"Muqobil matnni tahrirlash","Choose heading":"Uslubni tanlash",Code:"Manba kodi",Color:"Rang","Color picker":"Rang tanlash",Column:"Ustun",Dashed:"Nuqtali","Delete column":"Ustunni o'chirish","Delete row":"Satrni o'chirish","Dim grey":"To'q kulrang",Dimensions:"O'lchamlar",Dotted:"Nuqta",Double:"Ikkitalik",Downloadable:"Yuklab olinadigan","Dropdown toolbar":"Ochiladigan asboblar paneli","Edit block":"Blokni tahrirlash","Edit link":"Havolani tahrirlash","Editor toolbar":"Tahrirlovchi asboblar paneli","Enter image caption":"Rasm sarlavhasi","Full size image":"Asl rasm hajmi",Green:"Yashil",Grey:"Kulrang",Groove:"Yivli","Header column":"Ustun sarlavhalari","Header row":"Sarlavhalar satri",Heading:"Uslub","Heading 1":"Sarlavha 1","Heading 2":"Sarlavha 2","Heading 3":"Sarlavha 3","Heading 4":"Sarlavha 4","Heading 5":"Sarlavha 5","Heading 6":"Sarlavha 6",Height:"Balandligi","Horizontal text alignment toolbar":"Matnni gorizontal tekislash asboblar paneli","Image resize list":"Hajmlar ro'yxati","Image toolbar":"Rasm asboblari paneli","image widget":"Tasvirlar vidjeti","In line":"","Insert column left":"Ustunni chapga kiritish","Insert column right":"Ustunni o'ngga kiritish","Insert image":"Rasm kiritish","Insert paragraph after block":"Вblokdan keyin paragraf qo'yish","Insert paragraph before block":"Blokdan oldin paragrafni kiritish","Insert row above":"Yuqoriga qatorni kiritish","Insert row below":"Pastga qatorni kiritish","Insert table":"Jadvalni kiritish",Inset:"Tushkunlikka tushgan",Italic:"Kursiv","Justify cell text":"Matnni kenglikka tekislash","Left aligned image":"Chapga tekislash","Light blue":"Moviy","Light green":"Och yashil","Light grey":"Och kulrang",Link:"Havola","Link URL":'"Havola URL',"Merge cell down":"Pastdagi katak bilan birlashtirish","Merge cell left":"Chapdagi katakcha bilan birlashtirish","Merge cell right":"O'ngdagi katakcha bilan birlashtirish","Merge cell up":"Yuqoridagi katak bilan birlashtirish","Merge cells":"Hujayralarni birlashtirish",Next:"Keyingi",None:"Yo'q","Numbered List":"Raqamlangan ro'yxat","Open in a new tab":"Yangi oynada oching","Open link in new tab":"Havolani yangi oynada ochish",Orange:"To'q sariq",Original:"Asl",Outset:"Qavariq",Padding:"Chekinish",Paragraph:"Paragraf",Previous:"Oldingi",Purple:"Siyohrang",Red:"Qizil",Redo:"Takrorlash","Remove color":"Rangni olib tashlash","Resize image":"Rasm hajmini o'zgartirish","Resize image to %0":"Rasm hajmini %0 ga o‘zgartirish","Resize image to the original size":"Rasmning o'lchamini asl o'lchamiga o'zgartiring","Restore default":"","Rich Text Editor":"Tahrirlovchi","Rich Text Editor, %0":"Tahrirlovchi, %0",Ridge:"Qirrali","Right aligned image":"O'ngga tekislash",Row:"Satr",Save:"Saqlash","Select all":"Hammasini tanlash","Select column":"Ustunni tanlash","Select row":"Satrni tanlang","Show more items":"","Side image":"Yon tasvir",Solid:"Qattiq","Split cell horizontally":"Hujayrani gorizontal ravishda ajratish","Split cell vertically":"Hujayrani vertikal ravishda ajratish",Strikethrough:"Chizilgan",Style:"Uslub","Table alignment toolbar":"Jadvalni tekislash asboblar paneli","Table cell text alignment":"Jadval katakchasidagi matnni tekislash","Table properties":"Jadvalning xususiyatlari","Table toolbar":"Jadval asboblar paneli","Text alternative":"Muqobil matn",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'Noto\'g\'ri rang. \\ "# FF0000 \\" yoki \\ "rgb (255,0,0) \\" yoki \\ "red \\" ni sinab ko\'ring.','The value is invalid. Try "10px" or "2em" or simply "2".':'Noto\'g\'ri qiymat. \\ "10px \\" yoki \\ "2em \\" yoki shunchaki \\ "2 \\" ni sinab ko\'ring.',"This link has no URL":"Bu havola uchun URL oʻrnatilmagan","To-do List":"","Toggle caption off":"","Toggle caption on":"",Turquoise:"Turkuaz",Undo:"Bekor qilish",Unlink:"Havolani olib tashlash","Upload failed":"Yuklab olinmadi","Upload in progress":"Yuklanmoqda","Vertical text alignment toolbar":"Vertikal matnni tekislash asboblar paneli",White:"Oq","Widget toolbar":"Vidjet asboblar paneli",Width:"Kengligi","Wrap text":"",Yellow:"Sariq"}),i.getPluralForm=function(a){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/vi.js b/frontend/src/vendor/ckeditor/translations/vi.js
new file mode 100644
index 0000000000..1efed628e0
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/vi.js
@@ -0,0 +1 @@
+!function(n){const e=n.vi=n.vi||{};e.dictionary=Object.assign(e.dictionary||{},{"%0 of %1":"%0 đến %1","Align cell text to the bottom":"","Align cell text to the center":"","Align cell text to the left":"","Align cell text to the middle":"","Align cell text to the right":"","Align cell text to the top":"","Align table to the left":"","Align table to the right":"",Alignment:"Căn lề",Aquamarine:"Xanh ngọc biển",Background:"Màu nền",Black:"Đen","Block quote":"Trích dẫn",Blue:"Xanh biển",Bold:"Đậm",Border:"Viền","Break text":"","Bulleted List":"Danh sách đánh ký hiệu",Cancel:"Hủy","Cannot upload file:":"Không thể tải file:","Cell properties":"Thuộc tính của ô","Center table":"","Centered image":"Ảnh canh giữa","Change image text alternative":"Đổi chữ alt của ảnh","Choose heading":"Chọn tiêu đề",Code:"Code",Color:"Màu","Color picker":"",Column:"Cột",Dashed:"","Delete column":"Xoá cột","Delete row":"Xoá hàng","Dim grey":"Xám mờ",Dimensions:"Kích thước",Dotted:"",Double:"",Downloadable:"Có thể tải về","Dropdown toolbar":"Thanh công cụ danh mục","Edit block":"Chỉnh sửa đoạn","Edit link":"Sửa liên kết","Editor toolbar":"Thanh công cụ biên tập","Enter image caption":"Nhập mô tả ảnh","Full size image":"Ảnh đầy đủ",Green:"Xanh lá",Grey:"Xám",Groove:"","Header column":"Tiêu đề cột","Header row":"Tiêu đề hàng",Heading:"Tiêu đề","Heading 1":"Tiêu đề 1","Heading 2":"Tiêu đề 2","Heading 3":"Tiêu đề 3","Heading 4":"Tiêu đề 4","Heading 5":"Tiêu đề 5","Heading 6":"Tiêu đề 6",Height:"Cao","Horizontal text alignment toolbar":"","Image resize list":"Danh sách ảnh đã chỉnh kích thước","Image toolbar":"Thanh công cụ hình ảnh","image widget":"tiện ích ảnh","In line":"","Insert column left":"Thêm cột vào bên trái","Insert column right":"Thêm cột vào bên phải","Insert image":"Chèn ảnh","Insert paragraph after block":"","Insert paragraph before block":"","Insert row above":"Thêm hàng phía trên","Insert row below":"Thêm hàng ở dưới","Insert table":"Tạo bảng",Inset:"",Italic:"Nghiêng","Justify cell text":"","Left aligned image":"Ảnh canh trái","Light blue":"Xanh dương","Light green":"Xanh lá nhạt","Light grey":"Xám nhạt",Link:"Chèn liên kết","Link URL":"Đường dẫn liên kết","Merge cell down":"Sát nhập ô xuống dưới","Merge cell left":"Sát nhập ô qua trái","Merge cell right":"Sát nhập ô qua phải","Merge cell up":"Sát nhập ô lên trên","Merge cells":"Sát nhập ô",Next:"Tiếp theo",None:"","Numbered List":"Danh sách đánh số","Open in a new tab":"Mở trên tab mới","Open link in new tab":"Mở liên kết",Orange:"Cam",Original:"Nguyên bản",Outset:"",Padding:"Cách lề",Paragraph:"Đoạn văn",Previous:"Quay lại",Purple:"Tím",Red:"Đỏ",Redo:"Tiếp tục","Remove color":"Xóa màu","Resize image":"Chỉnh kích cỡ ảnh","Resize image to %0":"Chỉnh kích cỡ ảnh về %0","Resize image to the original size":"Chỉnh về ảnh kích cỡ nguyên gốc","Restore default":"","Rich Text Editor":"Trình soạn thảo văn bản","Rich Text Editor, %0":"Trình soạn thảo văn bản, %0",Ridge:"","Right aligned image":"Ảnh canh phải",Row:"Hàng",Save:"Lưu","Select column":"Chọn cột","Select row":"Chọn hàng","Show more items":"Xem thêm","Side image":"Ảnh một bên",Solid:"","Split cell horizontally":"Tách ô theo chiều ngang","Split cell vertically":"Tách ô theo chiều dọc",Strikethrough:"Gạch ngang",Style:"Kiểu","Table alignment toolbar":"","Table cell text alignment":"Căn lề văn bản trong ô","Table properties":"Thuộc tính của bảng","Table toolbar":"Thanh công cụ bảng","Text alternative":"Chữ alt",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':"",'The value is invalid. Try "10px" or "2em" or simply "2".':"","This link has no URL":"Liên kết không có đường dẫn","To-do List":"Danh sách cần làm","Toggle caption off":"","Toggle caption on":"",Turquoise:"Xanh ngọc bích",Undo:"Hoàn tác",Unlink:"Bỏ liên kết","Upload failed":"Tải thất bại","Upload in progress":"Đang tải lên","Vertical text alignment toolbar":"",White:"Trắng","Widget toolbar":"Thanh công cụ tiện ích",Width:"Rộng","Wrap text":"",Yellow:"Vàng"}),e.getPluralForm=function(n){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/zh-cn.js b/frontend/src/vendor/ckeditor/translations/zh-cn.js
new file mode 100644
index 0000000000..c56a8af56d
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/zh-cn.js
@@ -0,0 +1 @@
+!function(e){const t=e["zh-cn"]=e["zh-cn"]||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"第 %0 步，共 %1 步","Align cell text to the bottom":"使单元格文本对齐到底部","Align cell text to the center":"使单元格文本水平居中","Align cell text to the left":"使单元格文本左对齐","Align cell text to the middle":"使单元格文本垂直居中","Align cell text to the right":"使单元格文本右对齐","Align cell text to the top":"使单元格文本对齐到顶部","Align table to the left":"使表格左对齐","Align table to the right":"使表格右对齐",Alignment:"对齐",Aquamarine:"海蓝色",Background:"背景",Black:"黑色","Block quote":"块引用",Blue:"蓝色",Bold:"加粗",Border:"边框","Break text":"","Bulleted List":"项目符号列表",Cancel:"取消","Cannot upload file:":"无法上传的文件：","Cell properties":"单元格属性","Center table":"表格居中","Centered image":"图片居中","Change image text alternative":"更改图片替换文本","Choose heading":"标题类型",Code:"代码",Color:"颜色","Color picker":"颜色选择器",Column:"列",Dashed:"虚线","Delete column":"删除本列","Delete row":"删除本行","Dim grey":"暗灰色",Dimensions:"尺寸",Dotted:"点状虚线",Double:"双线",Downloadable:"可下载","Dropdown toolbar":"下拉工具栏","Edit block":"编辑框","Edit link":"修改链接","Editor toolbar":"编辑器工具栏","Enter image caption":"输入图片标题","Full size image":"图片通栏显示",Green:"绿色",Grey:"灰色",Groove:"凹槽边框","Header column":"标题列","Header row":"标题行",Heading:"标题","Heading 1":"标题 1","Heading 2":"标题 2","Heading 3":"标题 3","Heading 4":"标题 4","Heading 5":"标题 5","Heading 6":"标题 6",Height:"高度","Horizontal text alignment toolbar":"水平文本对齐工具栏","Image resize list":"图片大小列表","Image toolbar":"图片工具栏","image widget":"图像小部件","In line":"","Insert column left":"左侧插入列","Insert column right":"右侧插入列","Insert image":"插入图像","Insert paragraph after block":"在后面插入段落","Insert paragraph before block":"在前面插入段落","Insert row above":"在上面插入一行","Insert row below":"在下面插入一行","Insert table":"插入表格",Inset:"凹边框",Italic:"倾斜","Justify cell text":"对齐单元格文本","Left aligned image":"图片左侧对齐","Light blue":"浅蓝色","Light green":"浅绿色","Light grey":"浅灰色",Link:"超链接","Link URL":"链接网址","Merge cell down":"向下合并单元格","Merge cell left":"向左合并单元格","Merge cell right":"向右合并单元格","Merge cell up":"向上合并单元格","Merge cells":"合并单元格",Next:"下一步",None:"无","Numbered List":"项目编号列表","Open in a new tab":"在新标签页中打开","Open link in new tab":"在新标签页中打开链接",Orange:"橙色",Original:"原始大小",Outset:"凸边框",Padding:"内边距",Paragraph:"段落",Previous:"上一步",Purple:"紫色",Red:"红色",Redo:"重做","Remove color":"移除颜色","Resize image":"调整图像大小","Resize image to %0":"调整图像大小为%0","Resize image to the original size":"调整图像大小为原始大小","Restore default":"恢复默认","Rich Text Editor":"富文本编辑器","Rich Text Editor, %0":"富文本编辑器， %0",Ridge:"垄状边框","Right aligned image":"图片右侧对齐",Row:"行",Save:"保存","Select all":"全选","Select column":"选择列","Select row":"选择行","Show more items":"显示更多","Side image":"图片侧边显示",Solid:"实线","Split cell horizontally":"横向拆分单元格","Split cell vertically":"纵向拆分单元格",Strikethrough:"删除线",Style:"样式","Table alignment toolbar":"表格对齐工具栏","Table cell text alignment":"表格单元格中的文本水平对齐","Table properties":"表格属性","Table toolbar":"表格工具栏","Text alternative":"替换文本",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'颜色无效。尝试使用"#FF0000"、"rgb(255,0,0)"或者"red"。','The value is invalid. Try "10px" or "2em" or simply "2".':"无效值。尝试使用“10px”、“2ex”或者只写“2”。","This link has no URL":"此链接没有设置网址","To-do List":"待办列表","Toggle caption off":"","Toggle caption on":"",Turquoise:"青色",Undo:"撤销",Unlink:"取消超链接","Upload failed":"上传失败","Upload in progress":"正在上传","Vertical text alignment toolbar":"垂直文本对齐工具栏",White:"白色","Widget toolbar":"小部件工具栏",Width:"宽度","Wrap text":"",Yellow:"黄色"}),t.getPluralForm=function(e){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/frontend/src/vendor/ckeditor/translations/zh.js b/frontend/src/vendor/ckeditor/translations/zh.js
new file mode 100644
index 0000000000..17328fd274
--- /dev/null
+++ b/frontend/src/vendor/ckeditor/translations/zh.js
@@ -0,0 +1 @@
+!function(e){const t=e.zh=e.zh||{};t.dictionary=Object.assign(t.dictionary||{},{"%0 of %1":"%0/%1","Align cell text to the bottom":"向下對齊","Align cell text to the center":"置中對齊","Align cell text to the left":"靠左對齊","Align cell text to the middle":"置中對齊","Align cell text to the right":"靠右對齊","Align cell text to the top":"向上對齊","Align table to the left":"靠左對齊","Align table to the right":"靠右對齊",Alignment:"對齊",Aquamarine:"淺綠色",Background:"背景顏色",Black:"黑色","Block quote":"段落引用",Blue:"藍色",Bold:"粗體",Border:"邊框","Break text":"","Bulleted List":"符號清單",Cancel:"取消","Cannot upload file:":"無法上傳檔案：","Cell properties":"儲存格屬性","Center table":"置中對齊","Centered image":"置中圖片","Change image text alternative":"修改圖片的替代文字","Choose heading":"選取標題",Code:"代碼",Color:"文字顏色","Color picker":"顏色選擇",Column:"欄",Dashed:"虛線","Delete column":"刪除欄","Delete row":"刪除列","Dim grey":"淡灰色",Dimensions:"尺寸",Dotted:"點線",Double:"雙線",Downloadable:"可下載","Dropdown toolbar":"下拉選單","Edit block":"編輯區塊","Edit link":"編輯連結","Editor toolbar":"編輯器工具","Enter image caption":"輸入圖片說明","Full size image":"完整尺寸圖片",Green:"綠色",Grey:"灰色",Groove:"內凹線","Header column":"標題欄","Header row":"標題列",Heading:"標題","Heading 1":"標題 1","Heading 2":"標題 2","Heading 3":"標題 3","Heading 4":"標題 4","Heading 5":"標題 5","Heading 6":"標題 6",Height:"高度","Horizontal text alignment toolbar":"水平對齊","Image resize list":"圖片縮放清單","Image toolbar":"圖片工具","image widget":"圖片小工具","In line":"","Insert column left":"插入左方欄","Insert column right":"插入右方欄","Insert image":"插入圖片","Insert paragraph after block":"在這個區塊後面插入一個段落","Insert paragraph before block":"在這個區塊前面插入一個段落","Insert row above":"插入上方列","Insert row below":"插入下方列","Insert table":"插入表格",Inset:"內邊線",Italic:"斜體","Justify cell text":"分散對齊","Left aligned image":"向左對齊圖片","Light blue":"亮藍色","Light green":"亮綠色","Light grey":"亮灰色",Link:"連結","Link URL":"連結˙ URL","Merge cell down":"合併下方儲存格","Merge cell left":"合併左方儲存格","Merge cell right":"合併右方儲存格","Merge cell up":"合併上方儲存格","Merge cells":"合併儲存格",Next:"下一",None:"無","Numbered List":"有序清單","Open in a new tab":"在新視窗開啟","Open link in new tab":"在新視窗開啟連結",Orange:"橘色",Original:"原始圖片",Outset:"外框線",Padding:"儲存格留白",Paragraph:"段落",Previous:"上一",Purple:"紫色",Red:"紅色",Redo:"重做","Remove color":"移除顏色","Resize image":"縮放圖片","Resize image to %0":"縮放圖片到 %0","Resize image to the original size":"縮放圖片到原始尺寸","Restore default":"重設至預設值","Rich Text Editor":"豐富文字編輯器","Rich Text Editor, %0":"豐富文字編輯器，%0",Ridge:"凸起線","Right aligned image":"向右對齊圖片",Row:"列",Save:"儲存","Select all":"選取全部","Select column":"選擇欄","Select row":"選擇列","Show more items":"顯示更多","Side image":"側邊圖片",Solid:"實線","Split cell horizontally":"水平分割儲存格","Split cell vertically":"垂直分割儲存格",Strikethrough:"刪除線",Style:"樣式","Table alignment toolbar":"表格對齊","Table cell text alignment":"儲存格文字對齊","Table properties":"表格屬性","Table toolbar":"表格工具","Text alternative":"替代文字",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'顏色代碼錯誤。試試看 "#FF0000" 或 "rgb(255, 0, 0)" 或 "red"。','The value is invalid. Try "10px" or "2em" or simply "2".':'尺寸代碼錯誤。試試看 "10px" 或 "2em" 或簡單寫 "2"。',"This link has no URL":"連結沒有URL","To-do List":"代辦清單","Toggle caption off":"關閉表標題","Toggle caption on":"開啟表標題",Turquoise:"藍綠色",Undo:"取消",Unlink:"移除連結","Upload failed":"上傳失敗","Upload in progress":"正在上傳","Vertical text alignment toolbar":"垂直對齊",White:"白色","Widget toolbar":"小工具",Width:"寬度","Wrap text":"",Yellow:"黃色"}),t.getPluralForm=function(e){return 0}}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={}));
\ No newline at end of file
diff --git a/lib/api/caching/cached_representer.rb b/lib/api/caching/cached_representer.rb
index 63d807d034..2fa53819a3 100644
--- a/lib/api/caching/cached_representer.rb
+++ b/lib/api/caching/cached_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/aggregation_group.rb b/lib/api/decorators/aggregation_group.rb
index 74758be73a..78cca12873 100644
--- a/lib/api/decorators/aggregation_group.rb
+++ b/lib/api/decorators/aggregation_group.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/allowed_values_by_collection_representer.rb b/lib/api/decorators/allowed_values_by_collection_representer.rb
index 51f25b946d..c03b36a0de 100644
--- a/lib/api/decorators/allowed_values_by_collection_representer.rb
+++ b/lib/api/decorators/allowed_values_by_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/allowed_values_by_link_representer.rb b/lib/api/decorators/allowed_values_by_link_representer.rb
index 4ad8c1adf0..944baf20b8 100644
--- a/lib/api/decorators/allowed_values_by_link_representer.rb
+++ b/lib/api/decorators/allowed_values_by_link_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/collection.rb b/lib/api/decorators/collection.rb
index 72e8e9391a..85bd4f6ae7 100644
--- a/lib/api/decorators/collection.rb
+++ b/lib/api/decorators/collection.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/create_form.rb b/lib/api/decorators/create_form.rb
index c1af56a89a..559a6c211a 100644
--- a/lib/api/decorators/create_form.rb
+++ b/lib/api/decorators/create_form.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/date_property.rb b/lib/api/decorators/date_property.rb
index 396c7d86cc..c23fcf9b45 100644
--- a/lib/api/decorators/date_property.rb
+++ b/lib/api/decorators/date_property.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/digest.rb b/lib/api/decorators/digest.rb
index d682889208..d1b0433169 100644
--- a/lib/api/decorators/digest.rb
+++ b/lib/api/decorators/digest.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/form.rb b/lib/api/decorators/form.rb
index 43b9ea7cba..31c93bffea 100644
--- a/lib/api/decorators/form.rb
+++ b/lib/api/decorators/form.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/formattable.rb b/lib/api/decorators/formattable.rb
index 4be539ed9f..6b1019710d 100644
--- a/lib/api/decorators/formattable.rb
+++ b/lib/api/decorators/formattable.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/formattable_property.rb b/lib/api/decorators/formattable_property.rb
index ce4f81573a..0f5b6641ee 100644
--- a/lib/api/decorators/formattable_property.rb
+++ b/lib/api/decorators/formattable_property.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/link_object.rb b/lib/api/decorators/link_object.rb
index 891edc3d33..9471e4e343 100644
--- a/lib/api/decorators/link_object.rb
+++ b/lib/api/decorators/link_object.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/linked_resource.rb b/lib/api/decorators/linked_resource.rb
index 2716eb815c..f0bfc8455e 100644
--- a/lib/api/decorators/linked_resource.rb
+++ b/lib/api/decorators/linked_resource.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/offset_paginated_collection.rb b/lib/api/decorators/offset_paginated_collection.rb
index 124c5e7a8c..f9e3a217f6 100644
--- a/lib/api/decorators/offset_paginated_collection.rb
+++ b/lib/api/decorators/offset_paginated_collection.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -31,7 +29,7 @@
 module API
   module Decorators
     class OffsetPaginatedCollection < ::API::Decorators::Collection
-      include ::API::Utilities::PageSizeHelper
+      include ::API::Utilities::UrlPropsParsingHelper
 
       def self.per_page_default(relation)
         relation.base_class.per_page
diff --git a/lib/api/decorators/polymorphic_resource.rb b/lib/api/decorators/polymorphic_resource.rb
index 4c9be9d0b7..f9f9867fd3 100644
--- a/lib/api/decorators/polymorphic_resource.rb
+++ b/lib/api/decorators/polymorphic_resource.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/property_schema_representer.rb b/lib/api/decorators/property_schema_representer.rb
index 9e129d9bed..fe6952df18 100644
--- a/lib/api/decorators/property_schema_representer.rb
+++ b/lib/api/decorators/property_schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/schema_representer.rb b/lib/api/decorators/schema_representer.rb
index 34ed8b9a5b..210c97106a 100644
--- a/lib/api/decorators/schema_representer.rb
+++ b/lib/api/decorators/schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/simple_form.rb b/lib/api/decorators/simple_form.rb
index 1f0e6b2cc6..239bf08430 100644
--- a/lib/api/decorators/simple_form.rb
+++ b/lib/api/decorators/simple_form.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/single.rb b/lib/api/decorators/single.rb
index 3ec258781c..e782cc9ba4 100644
--- a/lib/api/decorators/single.rb
+++ b/lib/api/decorators/single.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/sql/hal.rb b/lib/api/decorators/sql/hal.rb
index 00d2c0f95e..aeff7de219 100644
--- a/lib/api/decorators/sql/hal.rb
+++ b/lib/api/decorators/sql/hal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -34,6 +32,8 @@ module API
       module Hal
         extend ActiveSupport::Concern
 
+        TO_BE_REMOVED = '_to_be_removed_'.freeze
+
         included do
           extend ::API::V3::Utilities::PathHelper
 
@@ -57,7 +57,15 @@ module API
                                  options[:column]
                                end
 
-              "'#{name}', #{representation}"
+              if options[:render_if]
+                render_if_condition(name,
+                                    options[:render_if].call(walker_results),
+                                    representation)
+              else
+                <<-SQL.squish
+                 '#{name}', #{representation}
+                SQL
+              end
             end.join(', ')
           end
 
@@ -80,48 +88,40 @@ module API
             scope
           end
 
-          def link(name, column: nil, path: nil, title: nil, href: nil, join: nil, render_if: nil, **additional_properties)
+          def link(name,
+                   column: nil,
+                   path: nil,
+                   title: nil,
+                   href: nil,
+                   join: nil,
+                   render_if: nil,
+                   sql: nil,
+                   **additional_properties)
             links[name] = { column: column,
                             path: path,
                             title: title,
                             join: join,
                             href: href,
                             render_if: render_if,
+                            sql: sql,
                             additional_properties: additional_properties }
           end
 
           def links_selects(select, walker_result)
             selected_links(select)
               .map do |name, link|
-              path_name = link[:path] ? link[:path][:api] : name
-              title = link[:title] ? link[:title].call : "#{name}.name"
-              column = link[:column] ? link[:column].call : name
-
-              href = link[:href] ? link[:href].call(walker_result) : "format('#{api_v3_paths.send(path_name, '%s')}', #{column})"
-
-              link_attributes = ["'href'", href]
-
-              if title
-                link_attributes += ["'title'", title]
-              end
-
-              (link[:additional_properties] || {}).each do |key, value|
-                link_attributes += ["'#{key}'", value]
-              end
-
-              if link[:render_if]
-                <<-SQL
-                 '#{name}',
-                 CASE WHEN #{link[:render_if].call(walker_result)} THEN
-                   json_build_object(#{link_attributes.join(', ')})
-                 ELSE
-                   NULL
-                 END
-                SQL
+              if link[:sql]
+                link_from_sql(name, link)
               else
-                <<-SQL
-                 '#{name}', json_build_object(#{link_attributes.join(', ')})
-                SQL
+                attributes = link_attributes(name, link, walker_result)
+
+                if link[:render_if]
+                  render_if_condition(name,
+                                      link[:render_if].call(walker_result),
+                                      "json_build_object(#{attributes.join(', ')})")
+                else
+                  link_with_default(name, attributes)
+                end
               end
             end
               .join(', ')
@@ -143,20 +143,21 @@ module API
                                  link[:column]
                                end
 
-              <<-SQL
+              next unless representation
+
+              <<-SQL.squish
                '#{name}', #{representation}
               SQL
             end
+              .flatten
               .join(', ')
           end
 
           def select_sql(select, walker_result)
             <<~SELECT
-              json_strip_nulls(json_build_object(
-                #{[properties_sql(select, walker_result),
-                   select_links(select, walker_result),
-                   select_embedded(select, walker_result)].compact.join(', ')}
-              ))
+              json_build_object(
+                #{json_object_string(select, walker_result)}
+              )::jsonb - '#{TO_BE_REMOVED}'
             SELECT
           end
 
@@ -166,7 +167,7 @@ module API
 
           def to_sql(walker_result)
             ctes = walker_result.ctes.map do |key, sql|
-              <<~SQL
+              <<~SQL.squish
                 #{key} AS (
                   #{sql}
                 )
@@ -175,7 +176,7 @@ module API
 
             ctes_sql = ctes.any? ? "WITH #{ctes.join(', ')}" : ""
 
-            <<~SQL
+            <<~SQL.squish
               #{ctes_sql}
 
               SELECT
@@ -185,30 +186,41 @@ module API
             SQL
           end
 
+          protected
+
+          def json_object_string(select, walker_result)
+            [properties_sql(select, walker_result),
+             select_links(select, walker_result),
+             select_embedded(select, walker_result)]
+              .compact_blank
+              .join(', ')
+          end
+
+          # All properties and links that the client can correctly signal to have selected.
+          def valid_selects
+            links.keys + properties.keys + [:*]
+          end
+
           private
 
           def select_embedded(select, walker_result)
-            embedded = embedded_selects(select, walker_result)
-
-            if embedded.present?
-              <<~SQL
-                '_embedded', json_strip_nulls(json_build_object(
-                  #{embedded_selects(select, walker_result)}
-                ))
-              SQL
+            namespaced_json_object('_embedded') do
+              embedded_selects(select, walker_result)
             end
           end
 
           def select_links(select, walker_result)
-            <<~SELECT
-              '_links', json_strip_nulls(json_build_object(
-                #{links_selects(select, walker_result)}
-              ))
-            SELECT
+            links_section = namespaced_json_object('_links') do
+              links_selects(select, walker_result)
+            end
+
+            # If links come with a condition, they receive the key TO_BE_REMOVED if that condition fails
+            # and we remove it here.
+            "#{links_section}::jsonb - '#{TO_BE_REMOVED}'" if links_section
           end
 
           def select_from(walker_result)
-            "(#{walker_result.scope.to_sql}) element"
+            "(#{walker_result.projection_scope.to_sql}) element"
           end
 
           def selected_links(select)
@@ -239,10 +251,75 @@ module API
           end
 
           def ensure_valid_selects(requested)
-            supported = links.keys + properties.keys + [:*]
-            invalid = requested - supported
+            invalid = requested - valid_selects
+
+            raise API::Errors::InvalidSignal.new(invalid, valid_selects, :select) if invalid.any?
+          end
+
+          def namespaced_json_object(namespace)
+            json_object = yield
+
+            return if json_object.blank?
+
+            <<~SELECT
+              '#{namespace}', json_build_object(
+                #{json_object}
+              )
+            SELECT
+          end
+
+          def link_attributes(name, link, walker_result)
+            title = link[:title] ? link[:title].call : "#{name}.name"
+
+            attributes = ["'href'", link_href(link, name, walker_result)]
+
+            if title
+              attributes += ["'title'", title]
+            end
+
+            (link[:additional_properties] || {}).each do |key, value|
+              attributes += ["'#{key}'", value]
+            end
+
+            attributes
+          end
+
+          def link_href(link, name, walker_result)
+            path_name = link[:path] ? link[:path][:api] : name
+            column = link[:column] ? link[:column].call : name
+
+            link[:href] ? link[:href].call(walker_result) : "format('#{api_v3_paths.send(path_name, '%s')}', #{column})"
+          end
+
+          def link_from_sql(name, link)
+            <<-SQL.squish
+              '#{name}', #{link[:sql].call}
+            SQL
+          end
+
+          def link_with_default(name, attributes)
+            <<-SQL.squish
+              '#{name}', '{ "href": null }'::jsonb || json_strip_nulls(json_build_object(#{attributes.join(', ')}))::jsonb
+            SQL
+          end
+
+          def render_if_condition(name, condition, value)
+            <<-SQL.squish
+              CASE WHEN #{condition} THEN
+                '#{name}'
+              ELSE
+                '#{TO_BE_REMOVED}'
+              END,
+              #{value}
+            SQL
+          end
+
+          def sql_offset(walker_result)
+            (walker_result.offset - 1) * walker_result.page_size
+          end
 
-            raise API::Errors::InvalidSignal.new(invalid, supported, :select) if invalid.any?
+          def sql_limit(walker_result)
+            walker_result.page_size
           end
         end
       end
diff --git a/lib/api/decorators/sql/hal_associated_resource.rb b/lib/api/decorators/sql/hal_associated_resource.rb
new file mode 100644
index 0000000000..1e8f3bafe6
--- /dev/null
+++ b/lib/api/decorators/sql/hal_associated_resource.rb
@@ -0,0 +1,95 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module Decorators
+    module Sql
+      module HalAssociatedResource
+        extend ActiveSupport::Concern
+
+        class_methods do
+          def associated_user_link(name,
+                                   column_name: "#{name}_id")
+            plural_name = name.to_s.pluralize
+
+            link name,
+                 href: associated_user_link_href(plural_name, column_name),
+                 title: associated_user_link_title(plural_name),
+                 join: associated_user_link_join(plural_name, column_name)
+          end
+
+          private
+
+          def associated_user_link_href(table_name, column_name)
+            ->(*) {
+              <<~SQL.squish
+                CASE #{table_name}_type
+                WHEN 'Group' THEN format('#{api_v3_paths.group('%s')}', #{column_name})
+                WHEN 'PlaceholderUser' THEN format('#{api_v3_paths.placeholder_user('%s')}', #{column_name})
+                WHEN 'User' THEN format('#{api_v3_paths.user('%s')}', #{column_name})
+                ELSE NULL
+                END
+              SQL
+            }
+          end
+
+          def associated_user_link_title(table_name)
+            -> {
+              join_string = if Setting.user_format == :lastname_coma_firstname
+                              " || ', ' || "
+                            else
+                              " || ' ' || "
+                            end
+
+              user_format = User::USER_FORMATS_STRUCTURE[Setting.user_format]
+                              .map { |column| "#{table_name}_#{column}" }
+                              .join(join_string)
+
+              <<~SQL.squish
+                CASE #{table_name}_type
+                WHEN 'Group' THEN #{table_name}_lastname
+                WHEN 'PlaceholderUser' THEN #{table_name}_lastname
+                WHEN 'User' THEN #{user_format}
+                ELSE NULL
+                END
+              SQL
+            }
+          end
+
+          def associated_user_link_join(table_name, column_name)
+            { table: :users,
+              condition: "#{table_name}.id = #{column_name}",
+              select: ["#{table_name}.firstname #{table_name}_firstname",
+                       "#{table_name}.lastname #{table_name}_lastname",
+                       "#{table_name}.login #{table_name}_login",
+                       "#{table_name}.mail #{table_name}_mail",
+                       "#{table_name}.type #{table_name}_type"] }
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/api/decorators/sql_collection_representer.rb b/lib/api/decorators/sql_collection_representer.rb
index 4a935b2783..11a958d8dd 100644
--- a/lib/api/decorators/sql_collection_representer.rb
+++ b/lib/api/decorators/sql_collection_representer.rb
@@ -34,16 +34,18 @@ module API
       class << self
         def ctes(walker_result)
           {
-            all_elements: walker_result.scope.to_sql,
-            page_elements: "SELECT * FROM all_elements LIMIT #{sql_limit(walker_result)} OFFSET #{sql_offset(walker_result)}",
-            total: "SELECT COUNT(*) from all_elements"
+            projection: walker_result.projection_scope.limit(sql_limit(walker_result)).offset(sql_offset(walker_result)).to_sql,
+            # Currently there does not appear to be a way to correctly transform the filter_scope into sql
+            # (e.g. by calling #to_sql) so that the extra call to the database is avoided. The main problem
+            # is that LEFT JOINS added via includes are not part of the SQL generated by #to_sql.
+            total: "SELECT #{walker_result.filter_scope.count}"
           }
         end
 
         private
 
         def select_from(walker_result)
-          "page_elements"
+          "projection"
         end
 
         def full_self_path(walker_results, overrides = {})
@@ -51,15 +53,33 @@ module API
         end
 
         def href_query(walker_results, overrides)
-          walker_results.url_query.merge(overrides).to_query
-        end
+          query_params = walker_results.url_query.merge(overrides)
+
+          if (select_params = query_params.delete(:select))
+            query_params[:select] = select_href_params(select_params).flatten.join(',')
+          end
 
-        def sql_offset(walker_result)
-          (walker_result.offset - 1) * walker_result.page_size
+          # Embedding is not supported yet but parts of the functionality is already in place.
+          query_params.delete(:embed)
+
+          query_params.to_query
         end
 
-        def sql_limit(walker_result)
-          walker_result.page_size
+        # Turns the nested values for select and embed into the external representation
+        # of a comma separated string. E.g.
+        # { '*' => {}, 'elements' => { '*' => {} } }
+        # is turned into
+        # '*,elements/*'
+        def select_href_params(params)
+          params.map do |key, value|
+            if value.empty?
+              key
+            else
+              select_href_params(value).map do |sub_value|
+                "#{key}/#{sub_value}"
+              end
+            end
+          end
         end
       end
 
@@ -80,31 +100,33 @@ module API
 
       link :self,
            href: ->(walker_result) { "'#{full_self_path(walker_result)}'" },
-           title: -> { nil }
+           title: -> {}
 
       link :jumpTo,
            href: ->(walker_result) { "'#{full_self_path(walker_result, offset: '{offset}')}'" },
-           title: -> { nil },
+           title: -> {},
            templated: true
 
       link :changeSize,
            href: ->(walker_result) { "'#{full_self_path(walker_result, pageSize: '{size}')}'" },
-           title: -> { nil },
+           title: -> {},
            templated: true
 
       link :previousByOffset,
            href: ->(walker_result) { "'#{full_self_path(walker_result, offset: walker_result.offset - 1)}'" },
            render_if: ->(walker_result) { walker_result.offset > 1 },
-           title: -> { nil }
+           title: -> {}
 
       link :nextByOffset,
            href: ->(walker_result) { "'#{full_self_path(walker_result, offset: walker_result.offset + 1)}'" },
            render_if: ->(walker_result) { "#{walker_result.offset * walker_result.page_size} < (SELECT * FROM total)" },
-           title: -> { nil }
+           title: -> {}
 
       embedded :elements,
                representation: ->(walker_result) do
-                 "json_agg(#{walker_result.replace_map['elements']})"
+                 replacement = walker_result.replace_map['elements']
+
+                 replacement ? "json_agg(#{replacement})" : nil
                end
     end
   end
diff --git a/lib/api/decorators/unpaginated_collection.rb b/lib/api/decorators/unpaginated_collection.rb
index a863131ee0..592926217a 100644
--- a/lib/api/decorators/unpaginated_collection.rb
+++ b/lib/api/decorators/unpaginated_collection.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/decorators/update_form.rb b/lib/api/decorators/update_form.rb
index 688a5c938c..54859386dd 100644
--- a/lib/api/decorators/update_form.rb
+++ b/lib/api/decorators/update_form.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/bad_request.rb b/lib/api/errors/bad_request.rb
index 82decc45d2..79b44d6b2d 100644
--- a/lib/api/errors/bad_request.rb
+++ b/lib/api/errors/bad_request.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/conflict.rb b/lib/api/errors/conflict.rb
index e6b5903781..45c8932a8d 100644
--- a/lib/api/errors/conflict.rb
+++ b/lib/api/errors/conflict.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/error_base.rb b/lib/api/errors/error_base.rb
index 085e3e7527..481c39e56f 100644
--- a/lib/api/errors/error_base.rb
+++ b/lib/api/errors/error_base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/internal_error.rb b/lib/api/errors/internal_error.rb
index 3fc5181a3d..e1a8519cab 100644
--- a/lib/api/errors/internal_error.rb
+++ b/lib/api/errors/internal_error.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/invalid_query.rb b/lib/api/errors/invalid_query.rb
index 4bc00eb220..45456fd2cb 100644
--- a/lib/api/errors/invalid_query.rb
+++ b/lib/api/errors/invalid_query.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/invalid_render_context.rb b/lib/api/errors/invalid_render_context.rb
index 0d6c601e1d..b519ffa132 100644
--- a/lib/api/errors/invalid_render_context.rb
+++ b/lib/api/errors/invalid_render_context.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/invalid_request_body.rb b/lib/api/errors/invalid_request_body.rb
index 90fdfcf60d..3d1ee011d4 100644
--- a/lib/api/errors/invalid_request_body.rb
+++ b/lib/api/errors/invalid_request_body.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/invalid_resource_link.rb b/lib/api/errors/invalid_resource_link.rb
index 054125c4fc..9bbdee1008 100644
--- a/lib/api/errors/invalid_resource_link.rb
+++ b/lib/api/errors/invalid_resource_link.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/invalid_signal.rb b/lib/api/errors/invalid_signal.rb
index b3d84b5407..510a72bc7e 100644
--- a/lib/api/errors/invalid_signal.rb
+++ b/lib/api/errors/invalid_signal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/invalid_user_status_transition.rb b/lib/api/errors/invalid_user_status_transition.rb
index a3452fdb8a..6e2bbbcc0e 100644
--- a/lib/api/errors/invalid_user_status_transition.rb
+++ b/lib/api/errors/invalid_user_status_transition.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/multiple_errors.rb b/lib/api/errors/multiple_errors.rb
index fd1a9aa1a3..64ae2d3f83 100644
--- a/lib/api/errors/multiple_errors.rb
+++ b/lib/api/errors/multiple_errors.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/not_found.rb b/lib/api/errors/not_found.rb
index 9699851c72..d479ffeb9c 100644
--- a/lib/api/errors/not_found.rb
+++ b/lib/api/errors/not_found.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/not_implemented.rb b/lib/api/errors/not_implemented.rb
index 270cdbb455..ca0f207802 100644
--- a/lib/api/errors/not_implemented.rb
+++ b/lib/api/errors/not_implemented.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/parse_error.rb b/lib/api/errors/parse_error.rb
index 7331b9bded..6353f5b882 100644
--- a/lib/api/errors/parse_error.rb
+++ b/lib/api/errors/parse_error.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/property_format_error.rb b/lib/api/errors/property_format_error.rb
index 1a8510980a..7560712f9b 100644
--- a/lib/api/errors/property_format_error.rb
+++ b/lib/api/errors/property_format_error.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/too_many_requests.rb b/lib/api/errors/too_many_requests.rb
index e61303b739..14f4b35b52 100644
--- a/lib/api/errors/too_many_requests.rb
+++ b/lib/api/errors/too_many_requests.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/unauthenticated.rb b/lib/api/errors/unauthenticated.rb
index 0fc900eff3..f4c5cf4da7 100644
--- a/lib/api/errors/unauthenticated.rb
+++ b/lib/api/errors/unauthenticated.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/unauthorized.rb b/lib/api/errors/unauthorized.rb
index 9c2967f6a5..0c9a714abb 100644
--- a/lib/api/errors/unauthorized.rb
+++ b/lib/api/errors/unauthorized.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/unsupported_media_type.rb b/lib/api/errors/unsupported_media_type.rb
index fbb507b7f6..c1af862d3c 100644
--- a/lib/api/errors/unsupported_media_type.rb
+++ b/lib/api/errors/unsupported_media_type.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/unwritable_property.rb b/lib/api/errors/unwritable_property.rb
index 475251c906..8955c57601 100644
--- a/lib/api/errors/unwritable_property.rb
+++ b/lib/api/errors/unwritable_property.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/errors/validation.rb b/lib/api/errors/validation.rb
index f051640dd2..2d085e1f3d 100644
--- a/lib/api/errors/validation.rb
+++ b/lib/api/errors/validation.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/formatter.rb b/lib/api/formatter.rb
index 86c540ffbb..5556cf3324 100644
--- a/lib/api/formatter.rb
+++ b/lib/api/formatter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/helpers/attachment_renderer.rb b/lib/api/helpers/attachment_renderer.rb
index 90540cf29d..29c85612ba 100644
--- a/lib/api/helpers/attachment_renderer.rb
+++ b/lib/api/helpers/attachment_renderer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/root.rb b/lib/api/root.rb
index bf11edccfe..f0bbc5129d 100644
--- a/lib/api/root.rb
+++ b/lib/api/root.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/root_api.rb b/lib/api/root_api.rb
index ae7f1d510a..97f9866caf 100644
--- a/lib/api/root_api.rb
+++ b/lib/api/root_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/camel_casing_strategy.rb b/lib/api/utilities/camel_casing_strategy.rb
index 209b0e8936..a6ca372835 100644
--- a/lib/api/utilities/camel_casing_strategy.rb
+++ b/lib/api/utilities/camel_casing_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/decorator_factory.rb b/lib/api/utilities/decorator_factory.rb
index 883732fc73..b35be55be3 100644
--- a/lib/api/utilities/decorator_factory.rb
+++ b/lib/api/utilities/decorator_factory.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/endpoints/index.rb b/lib/api/utilities/endpoints/index.rb
index 9b188c37cf..33851ecbd9 100644
--- a/lib/api/utilities/endpoints/index.rb
+++ b/lib/api/utilities/endpoints/index.rb
@@ -30,7 +30,7 @@ module API
   module Utilities
     module Endpoints
       class Index
-        include ::API::Utilities::PageSizeHelper
+        include ::API::Utilities::UrlPropsParsingHelper
 
         def initialize(model:,
                        api_name: model.name.demodulize,
diff --git a/lib/api/utilities/endpoints/namespaced_lookup.rb b/lib/api/utilities/endpoints/namespaced_lookup.rb
index 4eb502e185..25a4496e70 100644
--- a/lib/api/utilities/endpoints/namespaced_lookup.rb
+++ b/lib/api/utilities/endpoints/namespaced_lookup.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/grape_helper.rb b/lib/api/utilities/grape_helper.rb
index e61e71d23d..1573479cb9 100644
--- a/lib/api/utilities/grape_helper.rb
+++ b/lib/api/utilities/grape_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/meta_property.rb b/lib/api/utilities/meta_property.rb
index aa7a31cc05..491e547e4c 100644
--- a/lib/api/utilities/meta_property.rb
+++ b/lib/api/utilities/meta_property.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/payload_representer.rb b/lib/api/utilities/payload_representer.rb
index 39fccfa3b1..f2688d2290 100644
--- a/lib/api/utilities/payload_representer.rb
+++ b/lib/api/utilities/payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/property_name_converter.rb b/lib/api/utilities/property_name_converter.rb
index 728f76a8c7..4f6d325cf9 100644
--- a/lib/api/utilities/property_name_converter.rb
+++ b/lib/api/utilities/property_name_converter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/property_name_converter_query_context.rb b/lib/api/utilities/property_name_converter_query_context.rb
index 522612821e..5a96d5fbad 100644
--- a/lib/api/utilities/property_name_converter_query_context.rb
+++ b/lib/api/utilities/property_name_converter_query_context.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/query_filters_name_converter.rb b/lib/api/utilities/query_filters_name_converter.rb
index 016056bb40..53f65cecfd 100644
--- a/lib/api/utilities/query_filters_name_converter.rb
+++ b/lib/api/utilities/query_filters_name_converter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/representer_to_json_cache.rb b/lib/api/utilities/representer_to_json_cache.rb
index 2977579c64..62ed74869c 100644
--- a/lib/api/utilities/representer_to_json_cache.rb
+++ b/lib/api/utilities/representer_to_json_cache.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/resource_link_parser.rb b/lib/api/utilities/resource_link_parser.rb
index 176f07e7eb..70e91d3689 100644
--- a/lib/api/utilities/resource_link_parser.rb
+++ b/lib/api/utilities/resource_link_parser.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/text_renderer.rb b/lib/api/utilities/text_renderer.rb
index cf5c030ffa..43d4e623f7 100644
--- a/lib/api/utilities/text_renderer.rb
+++ b/lib/api/utilities/text_renderer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/url_helper.rb b/lib/api/utilities/url_helper.rb
index c0e204b6f3..f0dd21f048 100644
--- a/lib/api/utilities/url_helper.rb
+++ b/lib/api/utilities/url_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/utilities/page_size_helper.rb b/lib/api/utilities/url_props_parsing_helper.rb
similarity index 74%
rename from lib/api/utilities/page_size_helper.rb
rename to lib/api/utilities/url_props_parsing_helper.rb
index eeef7bd13d..ee2a97170b 100644
--- a/lib/api/utilities/page_size_helper.rb
+++ b/lib/api/utilities/url_props_parsing_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -30,7 +28,7 @@
 
 module API
   module Utilities
-    module PageSizeHelper
+    module UrlPropsParsingHelper
       ##
       # Determine set page_size from string
       def resolve_page_size(string)
@@ -68,6 +66,29 @@ module API
       def to_i_or_nil(string)
         string ? string.to_i : nil
       end
+
+      # Parses a comma separated list of values and turns it into
+      # a nested hash. e.g.:
+      #  = "a,b/c/d,e,b/f"
+      # is turned into:
+      #  = { "a" => {}, "e" => {}, "b" => { "c" => { "d" => {} }, "f" => {} } }
+      # The order of the values does not matter.
+      # It also accepts an array of individual strings, e.g.:
+      #  = ["a","b/c/d","e","b/f"]
+      def nested_from_csv(value)
+        return unless value
+
+        value
+          .delete_prefix('[')
+          .delete_suffix(']')
+          .split(',')
+          .map { |path| nested_hash(path.strip.tr("\"'", '').split('/')) }
+          .inject({}) { |hash, nested| hash.deep_merge(nested) }
+      end
+
+      def nested_hash(path)
+        { path[0] => path.length > 1 ? nested_hash(path[1..]) : {} }
+      end
     end
   end
 end
diff --git a/lib/api/utilities/wp_property_name_converter.rb b/lib/api/utilities/wp_property_name_converter.rb
index 95c0c72402..29eda0b4ba 100644
--- a/lib/api/utilities/wp_property_name_converter.rb
+++ b/lib/api/utilities/wp_property_name_converter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/activities/activity_collection_representer.rb b/lib/api/v3/activities/activity_collection_representer.rb
index dd7022ba11..88db9bdb3a 100644
--- a/lib/api/v3/activities/activity_collection_representer.rb
+++ b/lib/api/v3/activities/activity_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/activities/activity_eager_loading_wrapper.rb b/lib/api/v3/activities/activity_eager_loading_wrapper.rb
index ee62f34d2c..b1f97e6146 100644
--- a/lib/api/v3/activities/activity_eager_loading_wrapper.rb
+++ b/lib/api/v3/activities/activity_eager_loading_wrapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/activities/activity_property_formatters.rb b/lib/api/v3/activities/activity_property_formatters.rb
index e673ca545a..f48232a6df 100644
--- a/lib/api/v3/activities/activity_property_formatters.rb
+++ b/lib/api/v3/activities/activity_property_formatters.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/activities/activity_representer.rb b/lib/api/v3/activities/activity_representer.rb
index b3065be825..d89cb815ea 100644
--- a/lib/api/v3/activities/activity_representer.rb
+++ b/lib/api/v3/activities/activity_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/attachments/attachable_payload_representer_mixin.rb b/lib/api/v3/attachments/attachable_payload_representer_mixin.rb
index 4197dc90b4..4964874aa7 100644
--- a/lib/api/v3/attachments/attachable_payload_representer_mixin.rb
+++ b/lib/api/v3/attachments/attachable_payload_representer_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/attachments/attachable_representer_mixin.rb b/lib/api/v3/attachments/attachable_representer_mixin.rb
index e03841d340..e257764010 100644
--- a/lib/api/v3/attachments/attachable_representer_mixin.rb
+++ b/lib/api/v3/attachments/attachable_representer_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/attachments/attachment_collection_representer.rb b/lib/api/v3/attachments/attachment_collection_representer.rb
index 05d846b592..1f19d95f09 100644
--- a/lib/api/v3/attachments/attachment_collection_representer.rb
+++ b/lib/api/v3/attachments/attachment_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/attachments/attachment_parsing_representer.rb b/lib/api/v3/attachments/attachment_parsing_representer.rb
index 5c1f972a77..cd4cf810fe 100644
--- a/lib/api/v3/attachments/attachment_parsing_representer.rb
+++ b/lib/api/v3/attachments/attachment_parsing_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/attachments/attachment_representer.rb b/lib/api/v3/attachments/attachment_representer.rb
index e95667d5f0..32dc4072f1 100644
--- a/lib/api/v3/attachments/attachment_representer.rb
+++ b/lib/api/v3/attachments/attachment_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/attachments/attachment_upload_representer.rb b/lib/api/v3/attachments/attachment_upload_representer.rb
index 9f1bcab098..64a49ff081 100644
--- a/lib/api/v3/attachments/attachment_upload_representer.rb
+++ b/lib/api/v3/attachments/attachment_upload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/capabilities/capability_sql_representer.rb b/lib/api/v3/capabilities/capability_sql_representer.rb
index f090927e65..ab5e68552d 100644
--- a/lib/api/v3/capabilities/capability_sql_representer.rb
+++ b/lib/api/v3/capabilities/capability_sql_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -33,13 +31,14 @@ module API
     module Capabilities
       class CapabilitySqlRepresenter
         include API::Decorators::Sql::Hal
+        include API::Decorators::Sql::HalAssociatedResource
 
         property :_type,
                  representation: ->(*) { "'Capability'" }
 
         property :id,
                  representation: ->(*) {
-                   <<~SQL
+                   <<~SQL.squish
                      CASE
                      WHEN context_id IS NULL THEN action || '/g-' || principal_id
                      ELSE action || '/p' || context_id || '-' || principal_id
@@ -50,22 +49,22 @@ module API
         link :self,
              path: { api: :capability, params: %w(action) },
              column: -> {
-               <<~SQL
+               <<~SQL.squish
                  CASE
                  WHEN context_id IS NULL THEN action || '/g-' || principal_id
                  ELSE action || '/p' || context_id || '-' || principal_id
                  END
                SQL
              },
-             title: -> { nil }
+             title: -> {}
 
         link :action,
              path: { api: :action, params: %w(action) },
-             title: -> { nil }
+             title: -> {}
 
         link :context,
              href: ->(*) {
-               <<~SQL
+               <<~SQL.squish
                  CASE
                  WHEN context_id IS NULL THEN '#{api_v3_paths.capabilities_contexts_global}'
                  ELSE format('#{api_v3_paths.project('%s')}', context_id)
@@ -73,7 +72,7 @@ module API
                SQL
              },
              title: ->(*) {
-               <<~SQL
+               <<~SQL.squish
                  CASE
                  WHEN context_id IS NULL THEN '#{I18n.t('activerecord.errors.models.capability.context.global')}'
                  ELSE context_name
@@ -84,38 +83,7 @@ module API
                      condition: "contexts.id = capabilities.context_id",
                      select: ['contexts.name context_name'] }
 
-        link :principal,
-             href: ->(*) {
-               <<~SQL
-                 CASE principal_type
-                 WHEN 'Group' THEN format('#{api_v3_paths.group('%s')}', principal_id)
-                 WHEN 'PlaceholderUser' THEN format('#{api_v3_paths.placeholder_user('%s')}', principal_id)
-                 ELSE format('#{api_v3_paths.user('%s')}', principal_id)
-                 END
-               SQL
-             },
-             title: -> {
-               join_string = if Setting.user_format == :lastname_coma_firstname
-                               " || ', ' || "
-                             else
-                               " || ' ' || "
-                             end
-
-               <<~SQL
-                 CASE principal_type
-                 WHEN 'Group' THEN lastname
-                 WHEN 'PlaceholderUser' THEN lastname
-                 ELSE #{User::USER_FORMATS_STRUCTURE[Setting.user_format].map { |p| p }.join(join_string)}
-                 END
-               SQL
-             },
-             join: { table: :users,
-                     condition: "principals.id = capabilities.principal_id",
-                     select: ['principals.firstname',
-                              'principals.lastname',
-                              'principals.login',
-                              'principals.mail',
-                              'principals.type principal_type'] }
+        associated_user_link :principal
       end
     end
   end
diff --git a/lib/api/v3/capabilities/contexts/global_representer.rb b/lib/api/v3/capabilities/contexts/global_representer.rb
index 33b90a7ec4..553c85001f 100644
--- a/lib/api/v3/capabilities/contexts/global_representer.rb
+++ b/lib/api/v3/capabilities/contexts/global_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/categories/categories_api.rb b/lib/api/v3/categories/categories_api.rb
index 2b8e64c56e..49f10e502a 100644
--- a/lib/api/v3/categories/categories_api.rb
+++ b/lib/api/v3/categories/categories_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/categories/categories_by_project_api.rb b/lib/api/v3/categories/categories_by_project_api.rb
index a00bc41617..be73fb058e 100644
--- a/lib/api/v3/categories/categories_by_project_api.rb
+++ b/lib/api/v3/categories/categories_by_project_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/categories/category_collection_representer.rb b/lib/api/v3/categories/category_collection_representer.rb
index 67336bb647..e3c64f01d4 100644
--- a/lib/api/v3/categories/category_collection_representer.rb
+++ b/lib/api/v3/categories/category_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/categories/category_representer.rb b/lib/api/v3/categories/category_representer.rb
index d3e8f1adc7..4878477b5d 100644
--- a/lib/api/v3/categories/category_representer.rb
+++ b/lib/api/v3/categories/category_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/configuration/configuration_representer.rb b/lib/api/v3/configuration/configuration_representer.rb
index 7e568978ca..1c13563d2a 100644
--- a/lib/api/v3/configuration/configuration_representer.rb
+++ b/lib/api/v3/configuration/configuration_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/cors.rb b/lib/api/v3/cors.rb
index c4d0131e5f..aca7c516ed 100644
--- a/lib/api/v3/cors.rb
+++ b/lib/api/v3/cors.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/custom_actions/custom_action_execute_representer.rb b/lib/api/v3/custom_actions/custom_action_execute_representer.rb
index baf54aaf5a..e2849e7de5 100644
--- a/lib/api/v3/custom_actions/custom_action_execute_representer.rb
+++ b/lib/api/v3/custom_actions/custom_action_execute_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/custom_actions/custom_action_representer.rb b/lib/api/v3/custom_actions/custom_action_representer.rb
index f31b30090e..157cd5a4be 100644
--- a/lib/api/v3/custom_actions/custom_action_representer.rb
+++ b/lib/api/v3/custom_actions/custom_action_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/custom_options/custom_option_representer.rb b/lib/api/v3/custom_options/custom_option_representer.rb
index 39c1539776..4308957f23 100644
--- a/lib/api/v3/custom_options/custom_option_representer.rb
+++ b/lib/api/v3/custom_options/custom_option_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/custom_options/custom_options_api.rb b/lib/api/v3/custom_options/custom_options_api.rb
index 3330d183f3..696ba33b95 100644
--- a/lib/api/v3/custom_options/custom_options_api.rb
+++ b/lib/api/v3/custom_options/custom_options_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/errors/error_representer.rb b/lib/api/v3/errors/error_representer.rb
index 0fab60df3d..0e17f33ec4 100644
--- a/lib/api/v3/errors/error_representer.rb
+++ b/lib/api/v3/errors/error_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/groups/group_collection_representer.rb b/lib/api/v3/groups/group_collection_representer.rb
index 34c959f79d..f5531c8e42 100644
--- a/lib/api/v3/groups/group_collection_representer.rb
+++ b/lib/api/v3/groups/group_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/groups/group_payload_representer.rb b/lib/api/v3/groups/group_payload_representer.rb
index 7f602531c2..30e9d67ae3 100644
--- a/lib/api/v3/groups/group_payload_representer.rb
+++ b/lib/api/v3/groups/group_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/groups/group_representer.rb b/lib/api/v3/groups/group_representer.rb
index d6a1862ba0..7afa98ea3d 100644
--- a/lib/api/v3/groups/group_representer.rb
+++ b/lib/api/v3/groups/group_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/groups/group_sql_collection_representer.rb b/lib/api/v3/groups/group_sql_collection_representer.rb
new file mode 100644
index 0000000000..76b310c4a9
--- /dev/null
+++ b/lib/api/v3/groups/group_sql_collection_representer.rb
@@ -0,0 +1,37 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module Groups
+      class GroupSqlCollectionRepresenter < API::Decorators::SqlCollectionRepresenter
+        self.embed_map = {
+          elements: GroupSqlRepresenter
+        }.with_indifferent_access
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/groups/group_sql_representer.rb b/lib/api/v3/groups/group_sql_representer.rb
new file mode 100644
index 0000000000..372a5da472
--- /dev/null
+++ b/lib/api/v3/groups/group_sql_representer.rb
@@ -0,0 +1,48 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module Groups
+      class GroupSqlRepresenter
+        include API::Decorators::Sql::Hal
+
+        link :self,
+             path: { api: :group, params: %w(id) },
+             column: -> { :id },
+             title: -> { 'lastname' }
+
+        property :_type,
+                 representation: ->(*) { "'Group'" }
+
+        property :id
+
+        property :name,
+                 column: :lastname
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/groups/groups_api.rb b/lib/api/v3/groups/groups_api.rb
index f6cfe8da16..35341f1dfe 100644
--- a/lib/api/v3/groups/groups_api.rb
+++ b/lib/api/v3/groups/groups_api.rb
@@ -35,7 +35,7 @@ module API
             authorize_any %i[view_members manage_members], global: true
           end
 
-          get &::API::V3::Utilities::Endpoints::Index
+          get &::API::V3::Utilities::Endpoints::SqlFallbackedIndex
                  .new(model: Group)
                  .mount
           post &::API::V3::Utilities::Endpoints::Create
diff --git a/lib/api/v3/help_texts/help_text_collection_representer.rb b/lib/api/v3/help_texts/help_text_collection_representer.rb
index 0b5f550770..4ef333bccd 100644
--- a/lib/api/v3/help_texts/help_text_collection_representer.rb
+++ b/lib/api/v3/help_texts/help_text_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/help_texts/help_text_representer.rb b/lib/api/v3/help_texts/help_text_representer.rb
index 3b3ea9473d..c46e56a921 100644
--- a/lib/api/v3/help_texts/help_text_representer.rb
+++ b/lib/api/v3/help_texts/help_text_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/memberships/create_form_representer.rb b/lib/api/v3/memberships/create_form_representer.rb
index 762ab57b26..57750a7c05 100644
--- a/lib/api/v3/memberships/create_form_representer.rb
+++ b/lib/api/v3/memberships/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/memberships/form_representer.rb b/lib/api/v3/memberships/form_representer.rb
index 4ffc0360bd..153249fdbf 100644
--- a/lib/api/v3/memberships/form_representer.rb
+++ b/lib/api/v3/memberships/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/memberships/membership_collection_representer.rb b/lib/api/v3/memberships/membership_collection_representer.rb
index c333646e8f..2976865c4d 100644
--- a/lib/api/v3/memberships/membership_collection_representer.rb
+++ b/lib/api/v3/memberships/membership_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/memberships/membership_meta_representer.rb b/lib/api/v3/memberships/membership_meta_representer.rb
index cb5aebd26e..3567b9030f 100644
--- a/lib/api/v3/memberships/membership_meta_representer.rb
+++ b/lib/api/v3/memberships/membership_meta_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/memberships/membership_payload_representer.rb b/lib/api/v3/memberships/membership_payload_representer.rb
index 4e17b36501..3a916b32c4 100644
--- a/lib/api/v3/memberships/membership_payload_representer.rb
+++ b/lib/api/v3/memberships/membership_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/memberships/membership_representer.rb b/lib/api/v3/memberships/membership_representer.rb
index f0bb43e4f5..ff6d65dace 100644
--- a/lib/api/v3/memberships/membership_representer.rb
+++ b/lib/api/v3/memberships/membership_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/memberships/memberships_api.rb b/lib/api/v3/memberships/memberships_api.rb
index ff678a7da4..1eb5129c00 100644
--- a/lib/api/v3/memberships/memberships_api.rb
+++ b/lib/api/v3/memberships/memberships_api.rb
@@ -30,7 +30,7 @@ module API
   module V3
     module Memberships
       class MembershipsAPI < ::API::OpenProjectAPI
-        helpers ::API::Utilities::PageSizeHelper
+        helpers ::API::Utilities::UrlPropsParsingHelper
 
         resources :memberships do
           get &::API::V3::Utilities::Endpoints::Index
diff --git a/lib/api/v3/memberships/update_form_representer.rb b/lib/api/v3/memberships/update_form_representer.rb
index 04d2d60137..5982500d53 100644
--- a/lib/api/v3/memberships/update_form_representer.rb
+++ b/lib/api/v3/memberships/update_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/news/news_collection_representer.rb b/lib/api/v3/news/news_collection_representer.rb
index 9868e6cbb5..2e68871353 100644
--- a/lib/api/v3/news/news_collection_representer.rb
+++ b/lib/api/v3/news/news_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/notifications/notification_collection_representer.rb b/lib/api/v3/notifications/notification_collection_representer.rb
index 23c0fc6f13..728506f34d 100644
--- a/lib/api/v3/notifications/notification_collection_representer.rb
+++ b/lib/api/v3/notifications/notification_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/notifications/notification_eager_loading_wrapper.rb b/lib/api/v3/notifications/notification_eager_loading_wrapper.rb
index aa19db76fa..33b510b545 100644
--- a/lib/api/v3/notifications/notification_eager_loading_wrapper.rb
+++ b/lib/api/v3/notifications/notification_eager_loading_wrapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/notifications/notification_representer.rb b/lib/api/v3/notifications/notification_representer.rb
index 4e2a8cada4..b2eb7b92fa 100644
--- a/lib/api/v3/notifications/notification_representer.rb
+++ b/lib/api/v3/notifications/notification_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/parser.rb b/lib/api/v3/parser.rb
index 25be861abd..6d348576b8 100644
--- a/lib/api/v3/parser.rb
+++ b/lib/api/v3/parser.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/placeholder_users/placeholder_user_collection_representer.rb b/lib/api/v3/placeholder_users/placeholder_user_collection_representer.rb
index a8cee7965a..627c4bc98b 100644
--- a/lib/api/v3/placeholder_users/placeholder_user_collection_representer.rb
+++ b/lib/api/v3/placeholder_users/placeholder_user_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/placeholder_users/placeholder_user_payload_representer.rb b/lib/api/v3/placeholder_users/placeholder_user_payload_representer.rb
index c3d0e5e613..4802f26b49 100644
--- a/lib/api/v3/placeholder_users/placeholder_user_payload_representer.rb
+++ b/lib/api/v3/placeholder_users/placeholder_user_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/placeholder_users/placeholder_user_representer.rb b/lib/api/v3/placeholder_users/placeholder_user_representer.rb
index 1bdfb3c8e6..92b228c388 100644
--- a/lib/api/v3/placeholder_users/placeholder_user_representer.rb
+++ b/lib/api/v3/placeholder_users/placeholder_user_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/placeholder_users/placeholder_user_sql_collection_representer.rb b/lib/api/v3/placeholder_users/placeholder_user_sql_collection_representer.rb
new file mode 100644
index 0000000000..b82663e1bd
--- /dev/null
+++ b/lib/api/v3/placeholder_users/placeholder_user_sql_collection_representer.rb
@@ -0,0 +1,37 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module PlaceholderUsers
+      class PlaceholderUserSqlCollectionRepresenter < API::Decorators::SqlCollectionRepresenter
+        self.embed_map = {
+          elements: PlaceholderUserSqlRepresenter
+        }.with_indifferent_access
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/placeholder_users/placeholder_user_sql_representer.rb b/lib/api/v3/placeholder_users/placeholder_user_sql_representer.rb
new file mode 100644
index 0000000000..403c67afc2
--- /dev/null
+++ b/lib/api/v3/placeholder_users/placeholder_user_sql_representer.rb
@@ -0,0 +1,48 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module PlaceholderUsers
+      class PlaceholderUserSqlRepresenter
+        include API::Decorators::Sql::Hal
+
+        link :self,
+             path: { api: :placeholder_user, params: %w(id) },
+             column: -> { :id },
+             title: -> { 'lastname' }
+
+        property :_type,
+                 representation: ->(*) { "'PlaceholderUser'" }
+
+        property :id
+
+        property :name,
+                 column: :lastname
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/placeholder_users/placeholder_users_api.rb b/lib/api/v3/placeholder_users/placeholder_users_api.rb
index 2fed7aaa9b..8966526bd1 100644
--- a/lib/api/v3/placeholder_users/placeholder_users_api.rb
+++ b/lib/api/v3/placeholder_users/placeholder_users_api.rb
@@ -31,7 +31,7 @@ module API
     module PlaceholderUsers
       class PlaceholderUsersAPI < ::API::OpenProjectAPI
         resources :placeholder_users do
-          get &::API::V3::Utilities::Endpoints::Index
+          get &::API::V3::Utilities::Endpoints::SqlFallbackedIndex
             .new(model: PlaceholderUser, scope: -> { PlaceholderUser.visible(current_user) })
             .mount
 
diff --git a/lib/api/v3/principals/not_builtin_elements.rb b/lib/api/v3/principals/not_builtin_elements.rb
index 33b5922ce3..4756bcebc8 100644
--- a/lib/api/v3/principals/not_builtin_elements.rb
+++ b/lib/api/v3/principals/not_builtin_elements.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/principals/principal_collection_representer.rb b/lib/api/v3/principals/principal_collection_representer.rb
new file mode 100644
index 0000000000..ee47df605c
--- /dev/null
+++ b/lib/api/v3/principals/principal_collection_representer.rb
@@ -0,0 +1,35 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+# Exists to satisfy the expectations of the default end points.
+module API
+  module V3
+    module Principals
+      class PrincipalCollectionRepresenter < ::API::V3::Users::UserCollectionRepresenter
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/principals/principal_representer.rb b/lib/api/v3/principals/principal_representer.rb
index 77a854c034..6bdc52991b 100644
--- a/lib/api/v3/principals/principal_representer.rb
+++ b/lib/api/v3/principals/principal_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/principals/principal_representer_factory.rb b/lib/api/v3/principals/principal_representer_factory.rb
index f4e0d9c28e..9fcac5b67e 100644
--- a/lib/api/v3/principals/principal_representer_factory.rb
+++ b/lib/api/v3/principals/principal_representer_factory.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/principals/principal_sql_collection_representer.rb b/lib/api/v3/principals/principal_sql_collection_representer.rb
new file mode 100644
index 0000000000..e7683b7bf6
--- /dev/null
+++ b/lib/api/v3/principals/principal_sql_collection_representer.rb
@@ -0,0 +1,37 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module Principals
+      class PrincipalSqlCollectionRepresenter < API::Decorators::SqlCollectionRepresenter
+        self.embed_map = {
+          elements: PrincipalSqlRepresenter
+        }.with_indifferent_access
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/principals/principal_sql_representer.rb b/lib/api/v3/principals/principal_sql_representer.rb
new file mode 100644
index 0000000000..33d0a793db
--- /dev/null
+++ b/lib/api/v3/principals/principal_sql_representer.rb
@@ -0,0 +1,70 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module Principals
+      # This representer is able to render all the concrete classes of Principal: User, Group and PlaceholderUser.
+      class PrincipalSqlRepresenter
+        include API::Decorators::Sql::Hal
+
+        class << self
+          def select_sql(select, walker_result)
+            <<~SELECT
+              json_strip_nulls(
+                CASE
+                WHEN type = 'Group' THEN json_build_object(#{group_select_sql(select, walker_result)})
+                WHEN type = 'PlaceholderUser' THEN json_build_object(#{placeholder_user_select_sql(select, walker_result)})
+                WHEN type = 'User' THEN json_build_object(#{user_select_sql(select, walker_result)})
+                END
+              )::jsonb - '#{API::Decorators::Sql::Hal::TO_BE_REMOVED}'
+            SELECT
+          end
+
+          private
+
+          def group_select_sql(select, walker_result)
+            API::V3::Groups::GroupSqlRepresenter.json_object_string(select, walker_result)
+          end
+
+          def placeholder_user_select_sql(select, walker_result)
+            API::V3::PlaceholderUsers::PlaceholderUserSqlRepresenter.json_object_string(select, walker_result)
+          end
+
+          def user_select_sql(select, walker_result)
+            API::V3::Users::UserSqlRepresenter.json_object_string(select, walker_result)
+          end
+
+          def valid_selects
+            API::V3::Groups::GroupSqlRepresenter.valid_selects &
+              API::V3::PlaceholderUsers::PlaceholderUserSqlRepresenter.valid_selects &
+              API::V3::Users::UserSqlRepresenter.valid_selects
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/principals/principal_type.rb b/lib/api/v3/principals/principal_type.rb
index dfd113c977..fc115f4aa9 100644
--- a/lib/api/v3/principals/principal_type.rb
+++ b/lib/api/v3/principals/principal_type.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/principals/principals_api.rb b/lib/api/v3/principals/principals_api.rb
index a9061621a1..ee735df8e0 100644
--- a/lib/api/v3/principals/principals_api.rb
+++ b/lib/api/v3/principals/principals_api.rb
@@ -30,27 +30,11 @@ module API
   module V3
     module Principals
       class PrincipalsAPI < ::API::OpenProjectAPI
-        helpers ::API::Utilities::PageSizeHelper
-
         resource :principals do
-          get do
-            query = ParamsToQueryService.new(Principal, current_user).call(params)
-
-            if query.valid?
-              principals = query
-                           .results
-                           .where(id: Principal.visible(current_user))
-                           .includes(:preference)
-
-              ::API::V3::Users::PaginatedUserCollectionRepresenter.new(principals,
-                                                                       self_link: api_v3_paths.principals,
-                                                                       page: to_i_or_nil(params[:offset]),
-                                                                       per_page: resolve_page_size(params[:pageSize]),
-                                                                       current_user: current_user)
-            else
-              raise ::API::Errors::InvalidQuery.new(query.errors.full_messages)
-            end
-          end
+          get &::API::V3::Utilities::Endpoints::SqlFallbackedIndex
+                 .new(model: Principal,
+                      scope: -> { Principal.visible(current_user).includes(:preference) })
+                 .mount
         end
       end
     end
diff --git a/lib/api/v3/priorities/priorities_api.rb b/lib/api/v3/priorities/priorities_api.rb
index 753774136c..52c362745f 100644
--- a/lib/api/v3/priorities/priorities_api.rb
+++ b/lib/api/v3/priorities/priorities_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/priorities/priority_collection_representer.rb b/lib/api/v3/priorities/priority_collection_representer.rb
index 91f07b954a..549105ddaf 100644
--- a/lib/api/v3/priorities/priority_collection_representer.rb
+++ b/lib/api/v3/priorities/priority_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/priorities/priority_representer.rb b/lib/api/v3/priorities/priority_representer.rb
index 1a815b3b6d..e78146785d 100644
--- a/lib/api/v3/priorities/priority_representer.rb
+++ b/lib/api/v3/priorities/priority_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/available_assignees_api.rb b/lib/api/v3/projects/available_assignees_api.rb
index 38ab596a9e..ceb76291ed 100644
--- a/lib/api/v3/projects/available_assignees_api.rb
+++ b/lib/api/v3/projects/available_assignees_api.rb
@@ -41,7 +41,7 @@ module API
                                                           scope: -> {
                                                             Principal.possible_assignee(@project).includes(:preference)
                                                           },
-                                                          render_representer: Users::UserCollectionRepresenter)
+                                                          render_representer: Users::UnpaginatedUserCollectionRepresenter)
                                                      .mount
         end
       end
diff --git a/lib/api/v3/projects/available_responsibles_api.rb b/lib/api/v3/projects/available_responsibles_api.rb
index 5b511756ab..a5e789501d 100644
--- a/lib/api/v3/projects/available_responsibles_api.rb
+++ b/lib/api/v3/projects/available_responsibles_api.rb
@@ -41,7 +41,7 @@ module API
                                                           scope: -> {
                                                             Principal.possible_assignee(@project).includes(:preference)
                                                           },
-                                                          render_representer: Users::UserCollectionRepresenter)
+                                                          render_representer: Users::UnpaginatedUserCollectionRepresenter)
                                                      .mount
         end
       end
diff --git a/lib/api/v3/projects/copy/create_form_representer.rb b/lib/api/v3/projects/copy/create_form_representer.rb
index 988df3d358..d3dbe607b6 100644
--- a/lib/api/v3/projects/copy/create_form_representer.rb
+++ b/lib/api/v3/projects/copy/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/copy/form_representer.rb b/lib/api/v3/projects/copy/form_representer.rb
index e16b605fef..1589c41d5f 100644
--- a/lib/api/v3/projects/copy/form_representer.rb
+++ b/lib/api/v3/projects/copy/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/copy/project_copy_meta_representer.rb b/lib/api/v3/projects/copy/project_copy_meta_representer.rb
index 485e49344b..2b399a91cc 100644
--- a/lib/api/v3/projects/copy/project_copy_meta_representer.rb
+++ b/lib/api/v3/projects/copy/project_copy_meta_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/copy/project_copy_payload_representer.rb b/lib/api/v3/projects/copy/project_copy_payload_representer.rb
index 696ac913e2..d0d532dc41 100644
--- a/lib/api/v3/projects/copy/project_copy_payload_representer.rb
+++ b/lib/api/v3/projects/copy/project_copy_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/copy/project_copy_schema_representer.rb b/lib/api/v3/projects/copy/project_copy_schema_representer.rb
index 2f054c6763..2e83c76eb9 100644
--- a/lib/api/v3/projects/copy/project_copy_schema_representer.rb
+++ b/lib/api/v3/projects/copy/project_copy_schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/create_form_representer.rb b/lib/api/v3/projects/create_form_representer.rb
index 10a9102e34..9806baf505 100644
--- a/lib/api/v3/projects/create_form_representer.rb
+++ b/lib/api/v3/projects/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/form_representer.rb b/lib/api/v3/projects/form_representer.rb
index 3d81661c18..235a098f79 100644
--- a/lib/api/v3/projects/form_representer.rb
+++ b/lib/api/v3/projects/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/project_collection_representer.rb b/lib/api/v3/projects/project_collection_representer.rb
index 06eb4630d9..c24c710925 100644
--- a/lib/api/v3/projects/project_collection_representer.rb
+++ b/lib/api/v3/projects/project_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/project_eager_loading_wrapper.rb b/lib/api/v3/projects/project_eager_loading_wrapper.rb
index 43ca56935c..b651bc2823 100644
--- a/lib/api/v3/projects/project_eager_loading_wrapper.rb
+++ b/lib/api/v3/projects/project_eager_loading_wrapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/project_payload_representer.rb b/lib/api/v3/projects/project_payload_representer.rb
index 779210d010..f48029cfd2 100644
--- a/lib/api/v3/projects/project_payload_representer.rb
+++ b/lib/api/v3/projects/project_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/project_representer.rb b/lib/api/v3/projects/project_representer.rb
index 4add4363c2..32402921a3 100644
--- a/lib/api/v3/projects/project_representer.rb
+++ b/lib/api/v3/projects/project_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/project_sql_collection_representer.rb b/lib/api/v3/projects/project_sql_collection_representer.rb
new file mode 100644
index 0000000000..e55d2e1f9b
--- /dev/null
+++ b/lib/api/v3/projects/project_sql_collection_representer.rb
@@ -0,0 +1,37 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module Projects
+      class ProjectSqlCollectionRepresenter < API::Decorators::SqlCollectionRepresenter
+        self.embed_map = {
+          elements: ProjectSqlRepresenter
+        }.with_indifferent_access
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/projects/project_sql_representer.rb b/lib/api/v3/projects/project_sql_representer.rb
new file mode 100644
index 0000000000..fc0ffc7f08
--- /dev/null
+++ b/lib/api/v3/projects/project_sql_representer.rb
@@ -0,0 +1,133 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2020 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2017 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module API
+  module V3
+    module Projects
+      class ProjectSqlRepresenter
+        include API::Decorators::Sql::Hal
+
+        class << self
+          def ctes(walker_result)
+            {
+              ancestors: ancestors_sql(walker_result)
+            }
+          end
+
+          protected
+
+          def ancestors_sql(walker_result)
+            <<-SQL.squish
+              SELECT id, CASE WHEN count(link) = 0 THEN '[]' ELSE json_agg(link) END ancestors
+              FROM
+                (
+                  SELECT
+                    origin.id,
+                    #{ancestor_projection} link
+                  FROM projects origin
+                  LEFT OUTER JOIN projects ancestors
+                  ON ancestors.lft < origin.lft AND ancestors.rgt > origin.rgt
+                  #{visibility_join}
+                  WHERE origin.id IN (#{origin_subselect(walker_result).select(:id).to_sql})
+                  ORDER by origin.id, ancestors.lft
+                ) ancestors
+              GROUP BY id
+            SQL
+          end
+
+          def origin_subselect(walker_result)
+            if walker_result.page_size
+              walker_result.filter_scope.limit(sql_limit(walker_result)).offset(sql_offset(walker_result))
+            else
+              walker_result.filter_scope
+            end
+          end
+
+          def ancestor_projection
+            if User.current.admin?
+              <<-SQL.squish
+                CASE
+                  WHEN ancestors.id IS NOT NULL
+                    THEN json_build_object('href', format('/api/v3/projects/%s', ancestors.id), 'title', ancestors.name)
+                  ELSE NULL
+                END
+              SQL
+            else
+              <<-SQL.squish
+                CASE
+                  WHEN ancestors.id IS NOT NULL AND visible_ancestors.id IS NOT NULL
+                    THEN json_build_object('href', format('/api/v3/projects/%s', ancestors.id), 'title', ancestors.name)
+                  WHEN ancestors.id IS NOT NULL AND visible_ancestors.id IS NULL
+                    THEN json_build_object('href', '#{API::V3::URN_UNDISCLOSED}', 'title', '#{I18n.t(:'api_v3.undisclosed.ancestor')}')
+                  ELSE NULL
+                END
+              SQL
+            end
+          end
+
+          def visibility_join
+            if User.current.admin?
+              ''
+            else
+              <<-SQL.squish
+                LEFT OUTER JOIN (#{Project.visible.to_sql}) visible_ancestors
+                ON visible_ancestors.id = ancestors.id
+              SQL
+            end
+          end
+        end
+
+        link :self,
+             path: { api: :project, params: %w(id) },
+             column: -> { :id },
+             title: -> { :name }
+
+        link :ancestors,
+             sql: -> { 'ancestors' },
+             join: {
+               table: :ancestors,
+               condition: 'ancestors.id = projects.id',
+               select: 'ancestors'
+             }
+
+        property :_type,
+                 representation: ->(*) { "'Project'" }
+
+        property :id
+
+        property :name
+
+        property :identifier
+
+        property :active
+
+        property :public
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/projects/projects_api.rb b/lib/api/v3/projects/projects_api.rb
index 73a33801c7..f2a6d4a5c2 100644
--- a/lib/api/v3/projects/projects_api.rb
+++ b/lib/api/v3/projects/projects_api.rb
@@ -41,12 +41,12 @@ module API
         end
 
         resources :projects do
-          get &::API::V3::Utilities::Endpoints::Index.new(model: Project,
-                                                          scope: -> {
-                                                            visible_project_scope
-                                                              .includes(ProjectRepresenter.to_eager_load)
-                                                          })
-                                                     .mount
+          get &::API::V3::Utilities::Endpoints::SqlFallbackedIndex.new(model: Project,
+                                                                       scope: -> {
+                                                                         visible_project_scope
+                                                                           .includes(ProjectRepresenter.to_eager_load)
+                                                                       })
+                                                                  .mount
 
           post &::API::V3::Utilities::Endpoints::Create.new(model: Project)
                                                        .mount
diff --git a/lib/api/v3/projects/schemas/project_schema_representer.rb b/lib/api/v3/projects/schemas/project_schema_representer.rb
index 13c81b0c51..145e8ca329 100644
--- a/lib/api/v3/projects/schemas/project_schema_representer.rb
+++ b/lib/api/v3/projects/schemas/project_schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/statuses/status_representer.rb b/lib/api/v3/projects/statuses/status_representer.rb
index 28f0d9da18..cc9f14eb8e 100644
--- a/lib/api/v3/projects/statuses/status_representer.rb
+++ b/lib/api/v3/projects/statuses/status_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/projects/update_form_representer.rb b/lib/api/v3/projects/update_form_representer.rb
index eb90f107ee..d27c79ba55 100644
--- a/lib/api/v3/projects/update_form_representer.rb
+++ b/lib/api/v3/projects/update_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/columns/query_column_representer.rb b/lib/api/v3/queries/columns/query_column_representer.rb
index d89765400b..f2c3cfeb8f 100644
--- a/lib/api/v3/queries/columns/query_column_representer.rb
+++ b/lib/api/v3/queries/columns/query_column_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/columns/query_property_column_representer.rb b/lib/api/v3/queries/columns/query_property_column_representer.rb
index c12bab5938..a0113e6aaf 100644
--- a/lib/api/v3/queries/columns/query_property_column_representer.rb
+++ b/lib/api/v3/queries/columns/query_property_column_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/columns/query_relation_of_type_column_representer.rb b/lib/api/v3/queries/columns/query_relation_of_type_column_representer.rb
index ab0e4b21db..428eb47409 100644
--- a/lib/api/v3/queries/columns/query_relation_of_type_column_representer.rb
+++ b/lib/api/v3/queries/columns/query_relation_of_type_column_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/columns/query_relation_to_type_column_representer.rb b/lib/api/v3/queries/columns/query_relation_to_type_column_representer.rb
index 99ed59fbce..eb833d9edb 100644
--- a/lib/api/v3/queries/columns/query_relation_to_type_column_representer.rb
+++ b/lib/api/v3/queries/columns/query_relation_to_type_column_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/create_form_representer.rb b/lib/api/v3/queries/create_form_representer.rb
index 7488ae3718..4255d4adb7 100644
--- a/lib/api/v3/queries/create_form_representer.rb
+++ b/lib/api/v3/queries/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/filters/query_filter_decorator.rb b/lib/api/v3/queries/filters/query_filter_decorator.rb
index d4ec6fc9f8..c2128ae2f1 100644
--- a/lib/api/v3/queries/filters/query_filter_decorator.rb
+++ b/lib/api/v3/queries/filters/query_filter_decorator.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/filters/query_filter_instance_payload_representer.rb b/lib/api/v3/queries/filters/query_filter_instance_payload_representer.rb
index 90c5314203..39c0ade4f7 100644
--- a/lib/api/v3/queries/filters/query_filter_instance_payload_representer.rb
+++ b/lib/api/v3/queries/filters/query_filter_instance_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/filters/query_filter_instance_representer.rb b/lib/api/v3/queries/filters/query_filter_instance_representer.rb
index 06191f3c23..ec472c4942 100644
--- a/lib/api/v3/queries/filters/query_filter_instance_representer.rb
+++ b/lib/api/v3/queries/filters/query_filter_instance_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/filters/query_filter_representer.rb b/lib/api/v3/queries/filters/query_filter_representer.rb
index 3c0e36afaa..c4c09200ec 100644
--- a/lib/api/v3/queries/filters/query_filter_representer.rb
+++ b/lib/api/v3/queries/filters/query_filter_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/form_representer.rb b/lib/api/v3/queries/form_representer.rb
index bb40293d85..e8bb46efe0 100644
--- a/lib/api/v3/queries/form_representer.rb
+++ b/lib/api/v3/queries/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/group_bys/query_group_by_representer.rb b/lib/api/v3/queries/group_bys/query_group_by_representer.rb
index fc9380ff83..9264fc8857 100644
--- a/lib/api/v3/queries/group_bys/query_group_by_representer.rb
+++ b/lib/api/v3/queries/group_bys/query_group_by_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/operators/query_operator_representer.rb b/lib/api/v3/queries/operators/query_operator_representer.rb
index 7ed3d6939c..1e4c9f9a17 100644
--- a/lib/api/v3/queries/operators/query_operator_representer.rb
+++ b/lib/api/v3/queries/operators/query_operator_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/projections/query_projection_representer.rb b/lib/api/v3/queries/projections/query_projection_representer.rb
index 30bff8a73f..2a66e459aa 100644
--- a/lib/api/v3/queries/projections/query_projection_representer.rb
+++ b/lib/api/v3/queries/projections/query_projection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/query_collection_representer.rb b/lib/api/v3/queries/query_collection_representer.rb
index b6aaddbef6..442092c576 100644
--- a/lib/api/v3/queries/query_collection_representer.rb
+++ b/lib/api/v3/queries/query_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/query_params_representer.rb b/lib/api/v3/queries/query_params_representer.rb
index 8956273423..c2fc28a740 100644
--- a/lib/api/v3/queries/query_params_representer.rb
+++ b/lib/api/v3/queries/query_params_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/query_payload_representer.rb b/lib/api/v3/queries/query_payload_representer.rb
index e1aac0e5bf..b2a126fc6d 100644
--- a/lib/api/v3/queries/query_payload_representer.rb
+++ b/lib/api/v3/queries/query_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/query_representer.rb b/lib/api/v3/queries/query_representer.rb
index a8d1964473..2543999998 100644
--- a/lib/api/v3/queries/query_representer.rb
+++ b/lib/api/v3/queries/query_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/all_principals_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/all_principals_filter_dependency_representer.rb
index 1964acd27d..72312e8fa6 100644
--- a/lib/api/v3/queries/schemas/all_principals_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/all_principals_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/assignee_or_group_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/assignee_or_group_filter_dependency_representer.rb
index f9cd756635..6a145395a1 100644
--- a/lib/api/v3/queries/schemas/assignee_or_group_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/assignee_or_group_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/blocked_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/blocked_filter_dependency_representer.rb
index 050175420e..3db41bfe31 100644
--- a/lib/api/v3/queries/schemas/blocked_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/blocked_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/blocks_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/blocks_filter_dependency_representer.rb
index 05a97f173c..2121161138 100644
--- a/lib/api/v3/queries/schemas/blocks_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/blocks_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/boolean_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/boolean_filter_dependency_representer.rb
index f2e9d985b3..d214753de8 100644
--- a/lib/api/v3/queries/schemas/boolean_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/boolean_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/by_work_package_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/by_work_package_filter_dependency_representer.rb
index 92296f5a73..6197c39aea 100644
--- a/lib/api/v3/queries/schemas/by_work_package_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/by_work_package_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/category_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/category_filter_dependency_representer.rb
index eaef6707f2..80cddb33f4 100644
--- a/lib/api/v3/queries/schemas/category_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/category_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/custom_field_json_cache_key_mixin.rb b/lib/api/v3/queries/schemas/custom_field_json_cache_key_mixin.rb
index de8c2d80db..a4b17baca4 100644
--- a/lib/api/v3/queries/schemas/custom_field_json_cache_key_mixin.rb
+++ b/lib/api/v3/queries/schemas/custom_field_json_cache_key_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/custom_option_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/custom_option_filter_dependency_representer.rb
index b10b664da0..3440f6eb3b 100644
--- a/lib/api/v3/queries/schemas/custom_option_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/custom_option_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/date_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/date_filter_dependency_representer.rb
index 88dcdbd8af..a107f0f887 100644
--- a/lib/api/v3/queries/schemas/date_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/date_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/date_time_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/date_time_filter_dependency_representer.rb
index 4d6c3fd7b5..f8b6ac9d09 100644
--- a/lib/api/v3/queries/schemas/date_time_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/date_time_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/duplicated_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/duplicated_filter_dependency_representer.rb
index 853cffd18a..c6b9df1428 100644
--- a/lib/api/v3/queries/schemas/duplicated_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/duplicated_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/duplicates_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/duplicates_filter_dependency_representer.rb
index 3e68d18daa..053ee6be3f 100644
--- a/lib/api/v3/queries/schemas/duplicates_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/duplicates_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/filter_dependency_decorator.rb b/lib/api/v3/queries/schemas/filter_dependency_decorator.rb
index c4c012310e..b002423398 100644
--- a/lib/api/v3/queries/schemas/filter_dependency_decorator.rb
+++ b/lib/api/v3/queries/schemas/filter_dependency_decorator.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/filter_dependency_representer.rb b/lib/api/v3/queries/schemas/filter_dependency_representer.rb
index 71d6bf51a3..9527362078 100644
--- a/lib/api/v3/queries/schemas/filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/float_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/float_filter_dependency_representer.rb
index 803488c150..ceb75bc4d1 100644
--- a/lib/api/v3/queries/schemas/float_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/float_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/follows_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/follows_filter_dependency_representer.rb
index c6142d92cf..48499f5994 100644
--- a/lib/api/v3/queries/schemas/follows_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/follows_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/group_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/group_filter_dependency_representer.rb
index ae227c0420..a451078525 100644
--- a/lib/api/v3/queries/schemas/group_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/group_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/id_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/id_filter_dependency_representer.rb
index 3e394e49e0..a7b7598d4c 100644
--- a/lib/api/v3/queries/schemas/id_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/id_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/includes_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/includes_filter_dependency_representer.rb
index 2c3a8373ba..90cfbbc88b 100644
--- a/lib/api/v3/queries/schemas/includes_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/includes_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/integer_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/integer_filter_dependency_representer.rb
index 0dac7ff2f4..51a4f6ca9e 100644
--- a/lib/api/v3/queries/schemas/integer_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/integer_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/manual_sort_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/manual_sort_filter_dependency_representer.rb
index 55c97c0c89..971a72ff6e 100644
--- a/lib/api/v3/queries/schemas/manual_sort_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/manual_sort_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/only_subproject_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/only_subproject_filter_dependency_representer.rb
index 622004e88f..54ffffe3a0 100644
--- a/lib/api/v3/queries/schemas/only_subproject_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/only_subproject_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/parent_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/parent_filter_dependency_representer.rb
index 6730fee85a..20edcab41f 100644
--- a/lib/api/v3/queries/schemas/parent_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/parent_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/partof_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/partof_filter_dependency_representer.rb
index 7acebe358d..e6914a0b81 100644
--- a/lib/api/v3/queries/schemas/partof_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/partof_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/precedes_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/precedes_filter_dependency_representer.rb
index 3fbcc013c9..ca90870533 100644
--- a/lib/api/v3/queries/schemas/precedes_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/precedes_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/principal_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/principal_filter_dependency_representer.rb
index 77bb5133d6..21fff044ec 100644
--- a/lib/api/v3/queries/schemas/principal_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/principal_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/priority_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/priority_filter_dependency_representer.rb
index 08eb404e28..37c88c2925 100644
--- a/lib/api/v3/queries/schemas/priority_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/priority_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/project_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/project_filter_dependency_representer.rb
index 10a2bf3c1f..7d9bf98f7e 100644
--- a/lib/api/v3/queries/schemas/project_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/project_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/query_filter_instance_schema_collection_representer.rb b/lib/api/v3/queries/schemas/query_filter_instance_schema_collection_representer.rb
index c009dc45b2..8786457563 100644
--- a/lib/api/v3/queries/schemas/query_filter_instance_schema_collection_representer.rb
+++ b/lib/api/v3/queries/schemas/query_filter_instance_schema_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/relates_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/relates_filter_dependency_representer.rb
index 09ffe98952..6c301d9bf2 100644
--- a/lib/api/v3/queries/schemas/relates_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/relates_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/required_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/required_filter_dependency_representer.rb
index bede2822e0..69f5150f08 100644
--- a/lib/api/v3/queries/schemas/required_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/required_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/requires_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/requires_filter_dependency_representer.rb
index 42842984f3..92c676440f 100644
--- a/lib/api/v3/queries/schemas/requires_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/requires_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/role_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/role_filter_dependency_representer.rb
index 5f0270a544..03499c06a2 100644
--- a/lib/api/v3/queries/schemas/role_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/role_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/search_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/search_filter_dependency_representer.rb
index f9b68990e3..efa57ced38 100644
--- a/lib/api/v3/queries/schemas/search_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/search_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/status_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/status_filter_dependency_representer.rb
index fdd3303df0..a13bab9855 100644
--- a/lib/api/v3/queries/schemas/status_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/status_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/subproject_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/subproject_filter_dependency_representer.rb
index 7169e338ad..de6fdb573f 100644
--- a/lib/api/v3/queries/schemas/subproject_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/subproject_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/text_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/text_filter_dependency_representer.rb
index c140736074..484b721aa5 100644
--- a/lib/api/v3/queries/schemas/text_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/text_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/type_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/type_filter_dependency_representer.rb
index c64472d015..c0dfe087e9 100644
--- a/lib/api/v3/queries/schemas/type_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/type_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/user_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/user_filter_dependency_representer.rb
index cc05efdfb6..88dab31fe1 100644
--- a/lib/api/v3/queries/schemas/user_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/user_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/schemas/version_filter_dependency_representer.rb b/lib/api/v3/queries/schemas/version_filter_dependency_representer.rb
index a2c008f09e..e7deec94ff 100644
--- a/lib/api/v3/queries/schemas/version_filter_dependency_representer.rb
+++ b/lib/api/v3/queries/schemas/version_filter_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/sort_bys/query_sort_by_representer.rb b/lib/api/v3/queries/sort_bys/query_sort_by_representer.rb
index 245e2d1615..94adbc6033 100644
--- a/lib/api/v3/queries/sort_bys/query_sort_by_representer.rb
+++ b/lib/api/v3/queries/sort_bys/query_sort_by_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/sort_bys/sort_by_decorator.rb b/lib/api/v3/queries/sort_bys/sort_by_decorator.rb
index 64be2bc15c..33c55483e6 100644
--- a/lib/api/v3/queries/sort_bys/sort_by_decorator.rb
+++ b/lib/api/v3/queries/sort_bys/sort_by_decorator.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/queries/update_form_representer.rb b/lib/api/v3/queries/update_form_representer.rb
index bd506a257e..07458d5f7f 100644
--- a/lib/api/v3/queries/update_form_representer.rb
+++ b/lib/api/v3/queries/update_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/relations/relation_collection_representer.rb b/lib/api/v3/relations/relation_collection_representer.rb
index 9bd4f27ed5..ebf990c582 100644
--- a/lib/api/v3/relations/relation_collection_representer.rb
+++ b/lib/api/v3/relations/relation_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/relations/relation_paginated_collection_representer.rb b/lib/api/v3/relations/relation_paginated_collection_representer.rb
index a3d43c146f..abc4f10378 100644
--- a/lib/api/v3/relations/relation_paginated_collection_representer.rb
+++ b/lib/api/v3/relations/relation_paginated_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/relations/relation_payload_representer.rb b/lib/api/v3/relations/relation_payload_representer.rb
index 95520e5b08..59d4053ffc 100644
--- a/lib/api/v3/relations/relation_payload_representer.rb
+++ b/lib/api/v3/relations/relation_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/relations/relation_representer.rb b/lib/api/v3/relations/relation_representer.rb
index 79845bb391..7d25cf12cd 100644
--- a/lib/api/v3/relations/relation_representer.rb
+++ b/lib/api/v3/relations/relation_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/render/render_api.rb b/lib/api/v3/render/render_api.rb
index f8c8d3f069..02435a2a3c 100644
--- a/lib/api/v3/render/render_api.rb
+++ b/lib/api/v3/render/render_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/repositories/revision_collection_representer.rb b/lib/api/v3/repositories/revision_collection_representer.rb
index 879ef3eb10..0ab4cf01f6 100644
--- a/lib/api/v3/repositories/revision_collection_representer.rb
+++ b/lib/api/v3/repositories/revision_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/repositories/revision_representer.rb b/lib/api/v3/repositories/revision_representer.rb
index 2d2e836e80..671feee7ed 100644
--- a/lib/api/v3/repositories/revision_representer.rb
+++ b/lib/api/v3/repositories/revision_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/roles/role_collection_representer.rb b/lib/api/v3/roles/role_collection_representer.rb
index ede6097f69..6cd0a493c4 100644
--- a/lib/api/v3/roles/role_collection_representer.rb
+++ b/lib/api/v3/roles/role_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/roles/role_representer.rb b/lib/api/v3/roles/role_representer.rb
index 43b02d4152..c3b449f180 100644
--- a/lib/api/v3/roles/role_representer.rb
+++ b/lib/api/v3/roles/role_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/roles/roles_api.rb b/lib/api/v3/roles/roles_api.rb
index a3827d19f8..e616e844d9 100644
--- a/lib/api/v3/roles/roles_api.rb
+++ b/lib/api/v3/roles/roles_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/root.rb b/lib/api/v3/root.rb
index edff4fe8d8..dddbe27ede 100644
--- a/lib/api/v3/root.rb
+++ b/lib/api/v3/root.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/root_representer.rb b/lib/api/v3/root_representer.rb
index 25aaf652ce..b0c6a8a89f 100644
--- a/lib/api/v3/root_representer.rb
+++ b/lib/api/v3/root_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/schemas/schema_collection_representer.rb b/lib/api/v3/schemas/schema_collection_representer.rb
index 5b97fc04f8..0e68b9f200 100644
--- a/lib/api/v3/schemas/schema_collection_representer.rb
+++ b/lib/api/v3/schemas/schema_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/schemas/schema_dependency_representer.rb b/lib/api/v3/schemas/schema_dependency_representer.rb
index 9b769dbce1..fa40991732 100644
--- a/lib/api/v3/schemas/schema_dependency_representer.rb
+++ b/lib/api/v3/schemas/schema_dependency_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/statuses/status_collection_representer.rb b/lib/api/v3/statuses/status_collection_representer.rb
index 1e914328ad..ad6c06fbc5 100644
--- a/lib/api/v3/statuses/status_collection_representer.rb
+++ b/lib/api/v3/statuses/status_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/statuses/status_representer.rb b/lib/api/v3/statuses/status_representer.rb
index 97916564a0..f1fbd4662e 100644
--- a/lib/api/v3/statuses/status_representer.rb
+++ b/lib/api/v3/statuses/status_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/statuses/statuses_api.rb b/lib/api/v3/statuses/statuses_api.rb
index 254d9d3e8b..0cb6628f9a 100644
--- a/lib/api/v3/statuses/statuses_api.rb
+++ b/lib/api/v3/statuses/statuses_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/string_objects/string_objects_api.rb b/lib/api/v3/string_objects/string_objects_api.rb
index 22945e10b3..9fd02a137b 100644
--- a/lib/api/v3/string_objects/string_objects_api.rb
+++ b/lib/api/v3/string_objects/string_objects_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/types/type_collection_representer.rb b/lib/api/v3/types/type_collection_representer.rb
index a9a416ead9..691f1c52bc 100644
--- a/lib/api/v3/types/type_collection_representer.rb
+++ b/lib/api/v3/types/type_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/types/type_representer.rb b/lib/api/v3/types/type_representer.rb
index d063c3fde6..9e20294f16 100644
--- a/lib/api/v3/types/type_representer.rb
+++ b/lib/api/v3/types/type_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/types/types_api.rb b/lib/api/v3/types/types_api.rb
index c6736bb0e4..ed118e31d5 100644
--- a/lib/api/v3/types/types_api.rb
+++ b/lib/api/v3/types/types_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/types/types_by_project_api.rb b/lib/api/v3/types/types_by_project_api.rb
index 8b2c5bfc47..8365869989 100644
--- a/lib/api/v3/types/types_by_project_api.rb
+++ b/lib/api/v3/types/types_by_project_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/user_preferences/notification_setting_representer.rb b/lib/api/v3/user_preferences/notification_setting_representer.rb
index 5e034b786e..31f92c5de4 100644
--- a/lib/api/v3/user_preferences/notification_setting_representer.rb
+++ b/lib/api/v3/user_preferences/notification_setting_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/user_preferences/user_preference_payload_representer.rb b/lib/api/v3/user_preferences/user_preference_payload_representer.rb
index 2c7e7846c3..43f157a8b2 100644
--- a/lib/api/v3/user_preferences/user_preference_payload_representer.rb
+++ b/lib/api/v3/user_preferences/user_preference_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/user_preferences/user_preference_representer.rb b/lib/api/v3/user_preferences/user_preference_representer.rb
index 1f167542b6..3e2ce3c902 100644
--- a/lib/api/v3/user_preferences/user_preference_representer.rb
+++ b/lib/api/v3/user_preferences/user_preference_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/users/create_form_representer.rb b/lib/api/v3/users/create_form_representer.rb
index 9e7437479c..40d883407b 100644
--- a/lib/api/v3/users/create_form_representer.rb
+++ b/lib/api/v3/users/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/users/form_representer.rb b/lib/api/v3/users/form_representer.rb
index a63073679d..41c6d36947 100644
--- a/lib/api/v3/users/form_representer.rb
+++ b/lib/api/v3/users/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/users/schemas/user_schema_representer.rb b/lib/api/v3/users/schemas/user_schema_representer.rb
index f422fc0910..bd7d788c0b 100644
--- a/lib/api/v3/users/schemas/user_schema_representer.rb
+++ b/lib/api/v3/users/schemas/user_schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/users/paginated_user_collection_representer.rb b/lib/api/v3/users/unpaginated_user_collection_representer.rb
similarity index 74%
rename from lib/api/v3/users/paginated_user_collection_representer.rb
rename to lib/api/v3/users/unpaginated_user_collection_representer.rb
index 09c966241a..ee27db646e 100644
--- a/lib/api/v3/users/paginated_user_collection_representer.rb
+++ b/lib/api/v3/users/unpaginated_user_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -28,16 +26,10 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-# TODO: this is to be removed or rather the UserCollectionRepresenter is
-# to be turned into an OffsetPaginatedCollection representer.
-# It is not possible to do that right now as we do not have a
-# solution for an accessible autocompleter drop down widget. We therefore
-# have to fetch all users when we want to present them inside of a drop down.
-
 module API
   module V3
     module Users
-      class PaginatedUserCollectionRepresenter < ::API::Decorators::OffsetPaginatedCollection
+      class UnpaginatedUserCollectionRepresenter < ::API::Decorators::UnpaginatedCollection
         include API::V3::Principals::NotBuiltinElements
       end
     end
diff --git a/lib/api/v3/users/update_form_representer.rb b/lib/api/v3/users/update_form_representer.rb
index b5fe1770e0..451936f0b9 100644
--- a/lib/api/v3/users/update_form_representer.rb
+++ b/lib/api/v3/users/update_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/users/user_collection_representer.rb b/lib/api/v3/users/user_collection_representer.rb
index d6e364dbf4..7ff8569f13 100644
--- a/lib/api/v3/users/user_collection_representer.rb
+++ b/lib/api/v3/users/user_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -31,7 +29,7 @@
 module API
   module V3
     module Users
-      class UserCollectionRepresenter < ::API::Decorators::UnpaginatedCollection
+      class UserCollectionRepresenter < ::API::Decorators::OffsetPaginatedCollection
         include API::V3::Principals::NotBuiltinElements
       end
     end
diff --git a/lib/api/v3/users/user_payload_representer.rb b/lib/api/v3/users/user_payload_representer.rb
index 2167f39268..b0bdcc8e75 100644
--- a/lib/api/v3/users/user_payload_representer.rb
+++ b/lib/api/v3/users/user_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/users/user_representer.rb b/lib/api/v3/users/user_representer.rb
index 324d0607d5..af36013ff5 100644
--- a/lib/api/v3/users/user_representer.rb
+++ b/lib/api/v3/users/user_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/users/user_sql_collection_representer.rb b/lib/api/v3/users/user_sql_collection_representer.rb
new file mode 100644
index 0000000000..502b17a65e
--- /dev/null
+++ b/lib/api/v3/users/user_sql_collection_representer.rb
@@ -0,0 +1,37 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module Users
+      class UserSqlCollectionRepresenter < API::Decorators::SqlCollectionRepresenter
+        self.embed_map = {
+          elements: UserSqlRepresenter
+        }.with_indifferent_access
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/users/user_sql_representer.rb b/lib/api/v3/users/user_sql_representer.rb
new file mode 100644
index 0000000000..7bf4277ba1
--- /dev/null
+++ b/lib/api/v3/users/user_sql_representer.rb
@@ -0,0 +1,83 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module Users
+      class UserSqlRepresenter
+        include API::Decorators::Sql::Hal
+
+        class << self
+          def user_name_projection(*)
+            case Setting.user_format
+            when :firstname_lastname
+              'concat(firstname, \' \', lastname)'
+            when :firstname
+              'firstname'
+            when :lastname_firstname
+              'concat(lastname, \' \', firstname)'
+            when :lastname_coma_firstname
+              'concat(lastname, \', \', firstname)'
+            when :lastname_n_firstname
+              'concat_ws(lastname, \'\', firstname)'
+            when :username
+              'login'
+            else
+              raise ArgumentError, "Invalid user format"
+            end
+          end
+
+          def render_if_manage_user_or_self(*)
+            if User.current.allowed_to_globally?(:manage_user)
+              'TRUE'
+            else
+              "id = #{User.current.id}"
+            end
+          end
+        end
+
+        link :self,
+             path: { api: :user, params: %w(id) },
+             column: -> { :id },
+             title: method(:user_name_projection)
+
+        property :_type,
+                 representation: ->(*) { "'User'" }
+
+        property :id
+
+        property :name,
+                 representation: method(:user_name_projection)
+
+        property :firstname,
+                 render_if: method(:render_if_manage_user_or_self)
+
+        property :lastname,
+                 render_if: method(:render_if_manage_user_or_self)
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/users/users_api.rb b/lib/api/v3/users/users_api.rb
index 337f9226e6..3beeb4099c 100644
--- a/lib/api/v3/users/users_api.rb
+++ b/lib/api/v3/users/users_api.rb
@@ -26,15 +26,10 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-require 'api/v3/users/user_representer'
-require 'api/v3/users/paginated_user_collection_representer'
-
 module API
   module V3
     module Users
       class UsersAPI < ::API::OpenProjectAPI
-        helpers ::API::Utilities::PageSizeHelper
-
         helpers do
           def user_transition(allowed)
             if allowed
@@ -47,30 +42,21 @@ module API
               fail ::API::Errors::InvalidUserStatusTransition
             end
           end
-
-          def authorize_user_cru_allowed
-            authorize_by_with_raise(current_user.allowed_to_globally?(:manage_user))
-          end
         end
 
         resources :users do
           post &::API::V3::Utilities::Endpoints::Create.new(model: User).mount
 
-          get do
-            authorize_user_cru_allowed
-
-            query = ParamsToQueryService.new(User, current_user).call(params)
-
-            if query.valid?
-              users = query.results.includes(:preference)
-              PaginatedUserCollectionRepresenter.new(users,
-                                                     self_link: api_v3_paths.users,
-                                                     page: to_i_or_nil(params[:offset]),
-                                                     per_page: resolve_page_size(params[:pageSize]),
-                                                     current_user: current_user)
-            else
-              raise ::API::Errors::InvalidQuery.new(query.errors.full_messages)
+          # The namespace only exists to add the after_validation callback
+          namespace '' do
+            after_validation do
+              authorize_by_with_raise(current_user.allowed_to_globally?(:manage_user))
             end
+
+            get &::API::V3::Utilities::Endpoints::SqlFallbackedIndex
+                   .new(model: User,
+                        scope: -> { User.user.includes(:preference) })
+                   .mount
           end
 
           mount ::API::V3::Users::Schemas::UserSchemaAPI
diff --git a/lib/api/v3/utilities/custom_field_injector.rb b/lib/api/v3/utilities/custom_field_injector.rb
index 56752d0f4f..1025990dcc 100644
--- a/lib/api/v3/utilities/custom_field_injector.rb
+++ b/lib/api/v3/utilities/custom_field_injector.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/utilities/custom_field_injector/link_value_getter.rb b/lib/api/v3/utilities/custom_field_injector/link_value_getter.rb
index 8c59cf1343..aff168ec3f 100644
--- a/lib/api/v3/utilities/custom_field_injector/link_value_getter.rb
+++ b/lib/api/v3/utilities/custom_field_injector/link_value_getter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/utilities/custom_field_sum_injector.rb b/lib/api/v3/utilities/custom_field_sum_injector.rb
index bcc6198fed..0a2d1268aa 100644
--- a/lib/api/v3/utilities/custom_field_sum_injector.rb
+++ b/lib/api/v3/utilities/custom_field_sum_injector.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/utilities/date_time_formatter.rb b/lib/api/v3/utilities/date_time_formatter.rb
index 279f892fc6..d53d523ef0 100644
--- a/lib/api/v3/utilities/date_time_formatter.rb
+++ b/lib/api/v3/utilities/date_time_formatter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/utilities/eager_loading/custom_field_accessor.rb b/lib/api/v3/utilities/eager_loading/custom_field_accessor.rb
index 3aff99a5c4..bedb5a576d 100644
--- a/lib/api/v3/utilities/eager_loading/custom_field_accessor.rb
+++ b/lib/api/v3/utilities/eager_loading/custom_field_accessor.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/utilities/eager_loading/eager_loading_wrapper.rb b/lib/api/v3/utilities/eager_loading/eager_loading_wrapper.rb
index 043c9aeb97..4f71ac4b60 100644
--- a/lib/api/v3/utilities/eager_loading/eager_loading_wrapper.rb
+++ b/lib/api/v3/utilities/eager_loading/eager_loading_wrapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/utilities/endpoints/index.rb b/lib/api/v3/utilities/endpoints/index.rb
index 917942e72a..2333fad71c 100644
--- a/lib/api/v3/utilities/endpoints/index.rb
+++ b/lib/api/v3/utilities/endpoints/index.rb
@@ -61,7 +61,7 @@ module API
             if query.valid?
               render_success(query,
                              request.params,
-                             request.api_v3_paths.send(self_path),
+                             calculated_self_path(request),
                              scope ? request.instance_exec(&scope) : model)
             else
               render_error(query)
@@ -135,6 +135,14 @@ module API
             raise ::API::Errors::InvalidQuery.new(query.errors.full_messages)
           end
 
+          def calculated_self_path(request)
+            if self_path.respond_to?(:call)
+              request.instance_exec(&self_path)
+            else
+              request.api_v3_paths.send(self_path)
+            end
+          end
+
           def deduce_render_representer
             "::API::V3::#{deduce_api_namespace}::#{api_name}CollectionRepresenter".constantize
           end
diff --git a/lib/api/v3/utilities/endpoints/sql_fallbacked_index.rb b/lib/api/v3/utilities/endpoints/sql_fallbacked_index.rb
new file mode 100644
index 0000000000..49274dc33f
--- /dev/null
+++ b/lib/api/v3/utilities/endpoints/sql_fallbacked_index.rb
@@ -0,0 +1,69 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module Utilities
+      module Endpoints
+        class SqlFallbackedIndex < SqlIndex
+          private
+
+          def render_paginated_success(results, query, params, self_path)
+            resulting_params = calculate_resulting_params(query, params)
+
+            if resulting_params[:select]
+              ::API::V3::Utilities::SqlRepresenterWalker
+                .new(results,
+                     current_user: User.current,
+                     self_path: self_path,
+                     url_query: resulting_params)
+                .walk(deduce_render_representer)
+            else
+              deduce_fallback_render_representer
+                .new(results,
+                     self_link: self_path,
+                     query: resulting_params,
+                     page: resulting_params[:offset],
+                     per_page: resulting_params[:pageSize],
+                     groups: calculate_groups(query),
+                     current_user: User.current)
+            end
+          end
+
+          def deduce_fallback_render_representer
+            "::API::V3::#{deduce_api_namespace}::#{api_name}CollectionRepresenter".constantize
+          end
+
+          def calculate_resulting_params(query, provided_params)
+            super.tap do |params|
+              params.delete(:select) unless provided_params.has_key?(:select)
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/utilities/endpoints/sql_index.rb b/lib/api/v3/utilities/endpoints/sql_index.rb
index dc0291da4a..80c471c75b 100644
--- a/lib/api/v3/utilities/endpoints/sql_index.rb
+++ b/lib/api/v3/utilities/endpoints/sql_index.rb
@@ -38,8 +38,6 @@ module API
 
             ::API::V3::Utilities::SqlRepresenterWalker
               .new(results,
-                   embed: { 'elements' => {} },
-                   select: { '*' => {}, 'elements' => { '*' => {} } },
                    current_user: User.current,
                    self_path: self_path,
                    url_query: resulting_params)
@@ -53,6 +51,12 @@ module API
           def deduce_render_representer
             "::API::V3::#{deduce_api_namespace}::#{api_name}SqlCollectionRepresenter".constantize
           end
+
+          def calculate_resulting_params(query, provided_params)
+            super.tap do |params|
+              params[:select] = nested_from_csv(provided_params['select']) || { '*' => {}, 'elements' => { '*' => {} } }
+            end
+          end
         end
       end
     end
diff --git a/lib/api/v3/utilities/endpoints/sql_show.rb b/lib/api/v3/utilities/endpoints/sql_show.rb
index 12c0989cc1..6085a761e1 100644
--- a/lib/api/v3/utilities/endpoints/sql_show.rb
+++ b/lib/api/v3/utilities/endpoints/sql_show.rb
@@ -60,9 +60,8 @@ module API
           def render(scope)
             ::API::V3::Utilities::SqlRepresenterWalker
               .new(scope.limit(1),
-                   embed: {},
-                   select: { '*' => {} },
-                   current_user: User.current)
+                   current_user: User.current,
+                   url_query: { select: { '*' => {} } })
               .walk(render_representer)
           end
 
diff --git a/lib/api/v3/utilities/path_helper.rb b/lib/api/v3/utilities/path_helper.rb
index 2be4a48566..d796d64f51 100644
--- a/lib/api/v3/utilities/path_helper.rb
+++ b/lib/api/v3/utilities/path_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -497,14 +495,15 @@ module API
             "#{project(project_id)}/work_packages"
           end
 
-          def self.path_for(path, filters: nil, sort_by: nil, group_by: nil, page_size: nil, offset: nil)
+          def self.path_for(path, filters: nil, sort_by: nil, group_by: nil, page_size: nil, offset: nil, select: nil)
             query_params = {
               filters: filters&.to_json,
               sortBy: sort_by&.to_json,
               groupBy: group_by,
               pageSize: page_size,
-              offset: offset
-            }.reject { |_, v| v.blank? }
+              offset: offset,
+              select: select
+            }.compact_blank
 
             if query_params.any?
               "#{send(path)}?#{query_params.to_query}"
diff --git a/lib/api/v3/utilities/resource_link_generator.rb b/lib/api/v3/utilities/resource_link_generator.rb
index b65fcd8942..490d91f666 100644
--- a/lib/api/v3/utilities/resource_link_generator.rb
+++ b/lib/api/v3/utilities/resource_link_generator.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/utilities/sql_representer_walker.rb b/lib/api/v3/utilities/sql_representer_walker.rb
index b7989df582..e6c49decea 100644
--- a/lib/api/v3/utilities/sql_representer_walker.rb
+++ b/lib/api/v3/utilities/sql_representer_walker.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -32,20 +30,17 @@ module API
   module V3
     module Utilities
       class SqlRepresenterWalker
-        include API::Utilities::PageSizeHelper
+        include API::Utilities::UrlPropsParsingHelper
 
         def initialize(scope,
                        current_user:,
                        url_query: {},
-                       embed: {},
-                       select: {},
                        self_path: nil)
           self.scope = scope
           self.current_user = current_user
-          self.embed = embed
-          self.select = select
           self.self_path = self_path
-          self.url_query = url_query
+          # Hard wiring the properties to embed is a work around until signaling the properties to embed is implemented
+          self.url_query = url_query.merge(embed: { 'elements' => {} })
         end
 
         def walk(start)
@@ -60,7 +55,7 @@ module API
           end
 
           embedded_depth_first([], start) do |_, stack, current_representer|
-            result.scope = current_representer.joins(select_for(stack), result.scope)
+            result.projection_scope = current_representer.joins(select_for(stack), result.projection_scope)
           end
 
           embedded_depth_first([], start) do |_, _, current_representer|
@@ -80,12 +75,18 @@ module API
 
         attr_accessor :scope,
                       :current_user,
-                      :embed,
-                      :select,
                       :sql,
                       :url_query,
                       :self_path
 
+        def embed
+          url_query[:embed]
+        end
+
+        def select
+          url_query[:select]
+        end
+
         def embedded_depth_first(stack, current_representer, &block)
           up_map = {}
 
@@ -96,15 +97,15 @@ module API
             up_map[key] = embedded_depth_first(stack.dup << key, representer, &block)
           end
 
-          yield up_map, stack, current_representer
+          yield up_map, stack, current_representer if select_for(stack)
         end
 
         def select_for(stack)
           stack.any? ? select.dig(*stack) : select
         end
 
-        def embed_for(stack)
-          stack.any? ? embed.dig(*stack) : embed
+        def embed_for(stacker)
+          stacker.any? ? embed.dig(*stacker) : embed
         end
       end
     end
diff --git a/lib/api/v3/utilities/sql_walker_results.rb b/lib/api/v3/utilities/sql_walker_results.rb
index ea07ba9545..a4ef1f0f3a 100644
--- a/lib/api/v3/utilities/sql_walker_results.rb
+++ b/lib/api/v3/utilities/sql_walker_results.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -33,14 +31,16 @@ module API
     module Utilities
       class SqlWalkerResults
         def initialize(scope, url_query:, self_path: nil, replace_map: {})
-          self.scope = scope
+          self.filter_scope = scope.dup
+          self.projection_scope = scope.dup.distinct(false).reselect("#{scope.model.table_name}.*")
           self.ctes = {}
           self.self_path = self_path
           self.url_query = url_query
           self.replace_map = replace_map
         end
 
-        attr_accessor :scope,
+        attr_accessor :filter_scope,
+                      :projection_scope,
                       :sql,
                       :selects,
                       :ctes,
diff --git a/lib/api/v3/versions/create_form_representer.rb b/lib/api/v3/versions/create_form_representer.rb
index 6f6cd5e090..b3abd64afe 100644
--- a/lib/api/v3/versions/create_form_representer.rb
+++ b/lib/api/v3/versions/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/form_representer.rb b/lib/api/v3/versions/form_representer.rb
index ed6a445436..145fcfbba4 100644
--- a/lib/api/v3/versions/form_representer.rb
+++ b/lib/api/v3/versions/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/projects_by_version_api.rb b/lib/api/v3/versions/projects_by_version_api.rb
index 4c09d1bd40..43b3a53ad3 100644
--- a/lib/api/v3/versions/projects_by_version_api.rb
+++ b/lib/api/v3/versions/projects_by_version_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/schemas/version_schema_representer.rb b/lib/api/v3/versions/schemas/version_schema_representer.rb
index 01e23b01d7..871ffc3d39 100644
--- a/lib/api/v3/versions/schemas/version_schema_representer.rb
+++ b/lib/api/v3/versions/schemas/version_schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/update_form_representer.rb b/lib/api/v3/versions/update_form_representer.rb
index 38ceb74141..ee620c1228 100644
--- a/lib/api/v3/versions/update_form_representer.rb
+++ b/lib/api/v3/versions/update_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/version_collection_representer.rb b/lib/api/v3/versions/version_collection_representer.rb
index 063d7ebf89..602c51ef51 100644
--- a/lib/api/v3/versions/version_collection_representer.rb
+++ b/lib/api/v3/versions/version_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/version_payload_representer.rb b/lib/api/v3/versions/version_payload_representer.rb
index a7f3a426f7..2ed3269b8f 100644
--- a/lib/api/v3/versions/version_payload_representer.rb
+++ b/lib/api/v3/versions/version_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/version_representer.rb b/lib/api/v3/versions/version_representer.rb
index e95b005d8f..46328a9626 100644
--- a/lib/api/v3/versions/version_representer.rb
+++ b/lib/api/v3/versions/version_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/versions_api.rb b/lib/api/v3/versions/versions_api.rb
index 130ed51e08..dbeb3cae51 100644
--- a/lib/api/v3/versions/versions_api.rb
+++ b/lib/api/v3/versions/versions_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/versions/versions_by_project_api.rb b/lib/api/v3/versions/versions_by_project_api.rb
index b0368ba2f2..4e4bbbec51 100644
--- a/lib/api/v3/versions/versions_by_project_api.rb
+++ b/lib/api/v3/versions/versions_by_project_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/watchers/watcher_representer.rb b/lib/api/v3/watchers/watcher_representer.rb
index a339077f77..56d6c06987 100644
--- a/lib/api/v3/watchers/watcher_representer.rb
+++ b/lib/api/v3/watchers/watcher_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/wiki_pages/wiki_page_representer.rb b/lib/api/v3/wiki_pages/wiki_page_representer.rb
index 2108d8fa84..cdf1a6016b 100644
--- a/lib/api/v3/wiki_pages/wiki_page_representer.rb
+++ b/lib/api/v3/wiki_pages/wiki_page_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/available_projects_on_create_api.rb b/lib/api/v3/work_packages/available_projects_on_create_api.rb
index 513dcd8ff5..08fde7b081 100644
--- a/lib/api/v3/work_packages/available_projects_on_create_api.rb
+++ b/lib/api/v3/work_packages/available_projects_on_create_api.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-require 'api/v3/projects/project_collection_representer'
-
 module API
   module V3
     module WorkPackages
@@ -35,31 +33,32 @@ module API
         resource :available_projects do
           after_validation do
             authorize(:add_work_packages, global: true)
+
+            checked_permissions = Projects::ProjectCollectionRepresenter.checked_permissions
+            current_user.preload_projects_allowed_to(checked_permissions)
           end
 
           params do
             optional :for_type, type: Integer
           end
 
-          get do
-            checked_permissions = Projects::ProjectCollectionRepresenter.checked_permissions
-            current_user.preload_projects_allowed_to(checked_permissions)
-
-            available_projects = WorkPackage
-                                 .allowed_target_projects_on_create(current_user)
-                                 .includes(Projects::ProjectCollectionRepresenter.to_eager_load)
+          get &::API::V3::Utilities::Endpoints::SqlFallbackedIndex
+                 .new(model: Project,
+                      self_path: -> { api_v3_paths.available_projects_on_create(params[:for_type]) },
+                      scope: -> {
+                        available_projects = WorkPackage
+                                             .allowed_target_projects_on_create(current_user)
+                                             .includes(Projects::ProjectCollectionRepresenter.to_eager_load)
 
-            query = ::Queries::Projects::ProjectQuery.new(user: current_user)
-            if params[:for_type]
-              query.where('type_id', '=', params[:for_type])
-              available_projects = query.results.merge(available_projects)
-            end
-
-            self_link = api_v3_paths.available_projects_on_create(params[:for_type])
-            Projects::ProjectCollectionRepresenter.new(available_projects,
-                                                       self_link: self_link,
-                                                       current_user: current_user)
-          end
+                        if params[:for_type]
+                          query = ::Queries::Projects::ProjectQuery.new(user: current_user)
+                          query.where('type_id', '=', params[:for_type])
+                          query.results.merge(available_projects)
+                        else
+                          available_projects
+                        end
+                      })
+                 .mount
         end
       end
     end
diff --git a/lib/api/v3/work_packages/available_projects_on_edit_api.rb b/lib/api/v3/work_packages/available_projects_on_edit_api.rb
index 1be3cb63c0..98befeb788 100644
--- a/lib/api/v3/work_packages/available_projects_on_edit_api.rb
+++ b/lib/api/v3/work_packages/available_projects_on_edit_api.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-require 'api/v3/projects/project_collection_representer'
-
 module API
   module V3
     module WorkPackages
@@ -35,20 +33,20 @@ module API
         resource :available_projects do
           after_validation do
             authorize(:edit_work_packages, context: @work_package.project)
-          end
 
-          get do
             checked_permissions = Projects::ProjectCollectionRepresenter.checked_permissions
             current_user.preload_projects_allowed_to(checked_permissions)
-
-            available_projects = WorkPackage
-                                 .allowed_target_projects_on_move(current_user)
-                                 .includes(Projects::ProjectCollectionRepresenter.to_eager_load)
-            self_link = api_v3_paths.available_projects_on_edit(@work_package.id)
-            Projects::ProjectCollectionRepresenter.new(available_projects,
-                                                       self_link: self_link,
-                                                       current_user: current_user)
           end
+
+          get &::API::V3::Utilities::Endpoints::SqlFallbackedIndex
+                 .new(model: Project,
+                      self_path: -> { api_v3_paths.available_projects_on_edit(@work_package.id) },
+                      scope: -> {
+                        WorkPackage
+                          .allowed_target_projects_on_move(current_user)
+                          .includes(Projects::ProjectCollectionRepresenter.to_eager_load)
+                      })
+                 .mount
         end
       end
     end
diff --git a/lib/api/v3/work_packages/create_form_representer.rb b/lib/api/v3/work_packages/create_form_representer.rb
index 3411ef04ab..5d9a26328c 100644
--- a/lib/api/v3/work_packages/create_form_representer.rb
+++ b/lib/api/v3/work_packages/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/create_project_form_representer.rb b/lib/api/v3/work_packages/create_project_form_representer.rb
index 9e8987f842..9f206f7c98 100644
--- a/lib/api/v3/work_packages/create_project_form_representer.rb
+++ b/lib/api/v3/work_packages/create_project_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/eager_loading/ancestor.rb b/lib/api/v3/work_packages/eager_loading/ancestor.rb
index fd2fa65d38..9f11eef91b 100644
--- a/lib/api/v3/work_packages/eager_loading/ancestor.rb
+++ b/lib/api/v3/work_packages/eager_loading/ancestor.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/eager_loading/base.rb b/lib/api/v3/work_packages/eager_loading/base.rb
index 024abe92ac..2d1ae68772 100644
--- a/lib/api/v3/work_packages/eager_loading/base.rb
+++ b/lib/api/v3/work_packages/eager_loading/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/eager_loading/checksum.rb b/lib/api/v3/work_packages/eager_loading/checksum.rb
index c3a5275cdc..4e4771ae90 100644
--- a/lib/api/v3/work_packages/eager_loading/checksum.rb
+++ b/lib/api/v3/work_packages/eager_loading/checksum.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/eager_loading/custom_action.rb b/lib/api/v3/work_packages/eager_loading/custom_action.rb
index 50ddde7e4c..3e7acb9d1d 100644
--- a/lib/api/v3/work_packages/eager_loading/custom_action.rb
+++ b/lib/api/v3/work_packages/eager_loading/custom_action.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/eager_loading/custom_value.rb b/lib/api/v3/work_packages/eager_loading/custom_value.rb
index a3050b1d3f..0755f8d1c9 100644
--- a/lib/api/v3/work_packages/eager_loading/custom_value.rb
+++ b/lib/api/v3/work_packages/eager_loading/custom_value.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/eager_loading/hierarchy.rb b/lib/api/v3/work_packages/eager_loading/hierarchy.rb
index d0852009ae..792803634e 100644
--- a/lib/api/v3/work_packages/eager_loading/hierarchy.rb
+++ b/lib/api/v3/work_packages/eager_loading/hierarchy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/eager_loading/neutral_wrapper.rb b/lib/api/v3/work_packages/eager_loading/neutral_wrapper.rb
index c0811bab64..9b27371823 100644
--- a/lib/api/v3/work_packages/eager_loading/neutral_wrapper.rb
+++ b/lib/api/v3/work_packages/eager_loading/neutral_wrapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/eager_loading/project.rb b/lib/api/v3/work_packages/eager_loading/project.rb
index 9797882784..a309896786 100644
--- a/lib/api/v3/work_packages/eager_loading/project.rb
+++ b/lib/api/v3/work_packages/eager_loading/project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/form_representer.rb b/lib/api/v3/work_packages/form_representer.rb
index 349a74b18f..9a2a62bef8 100644
--- a/lib/api/v3/work_packages/form_representer.rb
+++ b/lib/api/v3/work_packages/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/link_to_object_extractor.rb b/lib/api/v3/work_packages/link_to_object_extractor.rb
index 2f76db3aa4..747de67a94 100644
--- a/lib/api/v3/work_packages/link_to_object_extractor.rb
+++ b/lib/api/v3/work_packages/link_to_object_extractor.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/principal_setter.rb b/lib/api/v3/work_packages/principal_setter.rb
index 3833071f8e..70c2041071 100644
--- a/lib/api/v3/work_packages/principal_setter.rb
+++ b/lib/api/v3/work_packages/principal_setter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/schema/base_work_package_schema.rb b/lib/api/v3/work_packages/schema/base_work_package_schema.rb
index a247472962..de5416093d 100644
--- a/lib/api/v3/work_packages/schema/base_work_package_schema.rb
+++ b/lib/api/v3/work_packages/schema/base_work_package_schema.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/schema/specific_work_package_schema.rb b/lib/api/v3/work_packages/schema/specific_work_package_schema.rb
index ab0bce35d1..4f53cb9546 100644
--- a/lib/api/v3/work_packages/schema/specific_work_package_schema.rb
+++ b/lib/api/v3/work_packages/schema/specific_work_package_schema.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/schema/typed_schema_contract.rb b/lib/api/v3/work_packages/schema/typed_schema_contract.rb
index 4f88508f01..c202d52b9f 100644
--- a/lib/api/v3/work_packages/schema/typed_schema_contract.rb
+++ b/lib/api/v3/work_packages/schema/typed_schema_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/schema/typed_work_package_schema.rb b/lib/api/v3/work_packages/schema/typed_work_package_schema.rb
index 02fe8aca23..f4c2e4037b 100644
--- a/lib/api/v3/work_packages/schema/typed_work_package_schema.rb
+++ b/lib/api/v3/work_packages/schema/typed_work_package_schema.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/schema/work_package_schema_collection_representer.rb b/lib/api/v3/work_packages/schema/work_package_schema_collection_representer.rb
index 706abf7116..6bc05379fa 100644
--- a/lib/api/v3/work_packages/schema/work_package_schema_collection_representer.rb
+++ b/lib/api/v3/work_packages/schema/work_package_schema_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/schema/work_package_schema_representer.rb b/lib/api/v3/work_packages/schema/work_package_schema_representer.rb
index edc1cd945b..f7269ef4f9 100644
--- a/lib/api/v3/work_packages/schema/work_package_schema_representer.rb
+++ b/lib/api/v3/work_packages/schema/work_package_schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/schema/work_package_sums_schema.rb b/lib/api/v3/work_packages/schema/work_package_sums_schema.rb
index 987a775ce3..e02f2ea06a 100644
--- a/lib/api/v3/work_packages/schema/work_package_sums_schema.rb
+++ b/lib/api/v3/work_packages/schema/work_package_sums_schema.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/schema/work_package_sums_schema_representer.rb b/lib/api/v3/work_packages/schema/work_package_sums_schema_representer.rb
index 5eeb9dfe10..b1aba69df0 100644
--- a/lib/api/v3/work_packages/schema/work_package_sums_schema_representer.rb
+++ b/lib/api/v3/work_packages/schema/work_package_sums_schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/update_form_representer.rb b/lib/api/v3/work_packages/update_form_representer.rb
index c7a27163cc..ff22f1e296 100644
--- a/lib/api/v3/work_packages/update_form_representer.rb
+++ b/lib/api/v3/work_packages/update_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/watchers_api.rb b/lib/api/v3/work_packages/watchers_api.rb
index bf565a6516..52d17d0462 100644
--- a/lib/api/v3/work_packages/watchers_api.rb
+++ b/lib/api/v3/work_packages/watchers_api.rb
@@ -32,7 +32,7 @@ module API
   module V3
     module WorkPackages
       class WatchersAPI < ::API::OpenProjectAPI
-        helpers ::API::Utilities::PageSizeHelper
+        helpers ::API::Utilities::UrlPropsParsingHelper
 
         get '/available_watchers' do
           authorize(:add_work_package_watchers, context: @work_package.project)
@@ -42,7 +42,7 @@ module API
 
           if query.valid?
             users = query.results.merge(@work_package.addable_watcher_users).includes(:preference)
-            ::API::V3::Users::PaginatedUserCollectionRepresenter.new(
+            ::API::V3::Users::UserCollectionRepresenter.new(
               users,
               self_link: api_v3_paths.users,
               page: to_i_or_nil(params[:offset]),
@@ -59,9 +59,9 @@ module API
             def watchers_collection
               watchers = @work_package.watcher_users.merge(Principal.not_locked)
               self_link = api_v3_paths.work_package_watchers(@work_package.id)
-              Users::UserCollectionRepresenter.new(watchers,
-                                                   self_link: self_link,
-                                                   current_user: current_user)
+              Users::UnpaginatedUserCollectionRepresenter.new(watchers,
+                                                              self_link: self_link,
+                                                              current_user: current_user)
             end
           end
 
diff --git a/lib/api/v3/work_packages/work_package_aggregation_group.rb b/lib/api/v3/work_packages/work_package_aggregation_group.rb
index 833da21718..9d5056dcfd 100644
--- a/lib/api/v3/work_packages/work_package_aggregation_group.rb
+++ b/lib/api/v3/work_packages/work_package_aggregation_group.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/work_package_collection_representer.rb b/lib/api/v3/work_packages/work_package_collection_representer.rb
index bb9b0291f2..bebb6a3f6e 100644
--- a/lib/api/v3/work_packages/work_package_collection_representer.rb
+++ b/lib/api/v3/work_packages/work_package_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/work_package_eager_loading_wrapper.rb b/lib/api/v3/work_packages/work_package_eager_loading_wrapper.rb
index 4f423837c6..376474ccaa 100644
--- a/lib/api/v3/work_packages/work_package_eager_loading_wrapper.rb
+++ b/lib/api/v3/work_packages/work_package_eager_loading_wrapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/work_package_lock_version_payload_representer.rb b/lib/api/v3/work_packages/work_package_lock_version_payload_representer.rb
index 7124657d03..cd8c626c14 100644
--- a/lib/api/v3/work_packages/work_package_lock_version_payload_representer.rb
+++ b/lib/api/v3/work_packages/work_package_lock_version_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/work_package_payload_representer.rb b/lib/api/v3/work_packages/work_package_payload_representer.rb
index dab31ca41d..df9edd8149 100644
--- a/lib/api/v3/work_packages/work_package_payload_representer.rb
+++ b/lib/api/v3/work_packages/work_package_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/work_package_representer.rb b/lib/api/v3/work_packages/work_package_representer.rb
index 6ca023453e..0d08c9f144 100644
--- a/lib/api/v3/work_packages/work_package_representer.rb
+++ b/lib/api/v3/work_packages/work_package_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/api/v3/work_packages/work_package_sql_collection_representer.rb b/lib/api/v3/work_packages/work_package_sql_collection_representer.rb
new file mode 100644
index 0000000000..d19a5301ad
--- /dev/null
+++ b/lib/api/v3/work_packages/work_package_sql_collection_representer.rb
@@ -0,0 +1,37 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module WorkPackages
+      class WorkPackageSqlCollectionRepresenter < API::Decorators::SqlCollectionRepresenter
+        self.embed_map = {
+          elements: WorkPackageSqlRepresenter
+        }.with_indifferent_access
+      end
+    end
+  end
+end
diff --git a/lib/api/v3/work_packages/work_package_sql_representer.rb b/lib/api/v3/work_packages/work_package_sql_representer.rb
new file mode 100644
index 0000000000..84b8f3ed01
--- /dev/null
+++ b/lib/api/v3/work_packages/work_package_sql_representer.rb
@@ -0,0 +1,63 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+module API
+  module V3
+    module WorkPackages
+      class WorkPackageSqlRepresenter
+        include API::Decorators::Sql::Hal
+        include API::Decorators::Sql::HalAssociatedResource
+
+        link :self,
+             path: { api: :work_package, params: %w(id) },
+             column: -> { :id },
+             title: -> { 'subject' }
+
+        link :project,
+             path: { api: :project, params: %w(id) },
+             column: -> { :project_id },
+             title: -> { 'project_name' },
+             join: { table: :projects,
+                     condition: 'projects.id = project_id',
+                     select: ['projects.name project_name'] }
+
+        associated_user_link :author
+
+        associated_user_link :assignee,
+                             column_name: :assigned_to_id
+
+        associated_user_link :responsible
+
+        property :_type,
+                 representation: ->(*) { "'WorkPackage'" }
+
+        property :id
+
+        property :subject
+      end
+    end
+  end
+end
diff --git a/lib/ar_condition.rb b/lib/ar_condition.rb
index 44bbb7b9ef..c2152e3e56 100644
--- a/lib/ar_condition.rb
+++ b/lib/ar_condition.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/constraints/enterprise.rb b/lib/constraints/enterprise.rb
index 5cb9760969..745348e3f7 100644
--- a/lib/constraints/enterprise.rb
+++ b/lib/constraints/enterprise.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/core_extensions.rb b/lib/core_extensions.rb
index aeb30acecc..2e7f61a97d 100644
--- a/lib/core_extensions.rb
+++ b/lib/core_extensions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/core_extensions/string.rb b/lib/core_extensions/string.rb
index 237c2b1ac2..4ebb378cd4 100644
--- a/lib/core_extensions/string.rb
+++ b/lib/core_extensions/string.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/custom_field_form_builder.rb b/lib/custom_field_form_builder.rb
index bc58e776cf..e525b892d9 100644
--- a/lib/custom_field_form_builder.rb
+++ b/lib/custom_field_form_builder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/generators/open_project/plugin/templates/%full_name%.gemspec.tt b/lib/generators/open_project/plugin/templates/%full_name%.gemspec.tt
index ab5f31030f..e87bec033b 100644
--- a/lib/generators/open_project/plugin/templates/%full_name%.gemspec.tt
+++ b/lib/generators/open_project/plugin/templates/%full_name%.gemspec.tt
@@ -1,4 +1,3 @@
-# encoding: UTF-8
 $:.push File.expand_path("../lib", __FILE__)
 $:.push File.expand_path("../../lib", __dir__)
 
diff --git a/lib/generators/open_project/plugin/templates/lib/open_project/%plugin_name%.rb.tt b/lib/generators/open_project/plugin/templates/lib/open_project/%plugin_name%.rb.tt
index 04c19a2c36..3b363af213 100644
--- a/lib/generators/open_project/plugin/templates/lib/open_project/%plugin_name%.rb.tt
+++ b/lib/generators/open_project/plugin/templates/lib/open_project/%plugin_name%.rb.tt
@@ -1,5 +1,6 @@
+require "open_project/<%= plugin_name %>/engine"
+
 module OpenProject
   module <%= plugin_name.camelcase %>
-    require "open_project/<%= plugin_name %>/engine"
   end
 end
diff --git a/lib/open_project.rb b/lib/open_project.rb
index 0059d26078..196c8b3376 100644
--- a/lib/open_project.rb
+++ b/lib/open_project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/access_control.rb b/lib/open_project/access_control.rb
index 31a30f9248..5dc758528d 100644
--- a/lib/open_project/access_control.rb
+++ b/lib/open_project/access_control.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -64,8 +62,12 @@ module OpenProject
 
       # Returns the permission of given name or nil if it wasn't found
       # Argument should be a symbol
-      def permission(name)
-        permissions.detect { |p| p.name == name }
+      def permission(action)
+        if action.is_a?(Hash)
+          permissions.detect { |p| p.controller_actions.include?("#{action[:controller]}/#{action[:action]}") }
+        else
+          permissions.detect { |p| p.name == action }
+        end
       end
 
       # Returns the actions that are allowed by the permission of given name
@@ -119,10 +121,19 @@ module OpenProject
         @contract_actions_map ||= permissions.each_with_object({}) do |p, hash|
           next unless p.contract_actions.any?
 
-          hash[p.name] = { actions: p.contract_actions, global: p.global?, module: p.project_module }
+          hash[p.name] = { actions: p.contract_actions,
+                           global: p.global?,
+                           module_name: p.project_module,
+                           grant_to_admin: p.grant_to_admin? }
         end
       end
 
+      def grant_to_admin?(permission_name)
+        # Parts of the application currently rely on granting not defined permissions,
+        # e.g. :edit_attribute_help_texts to administrators.
+        permission(permission_name).nil? || permission(permission_name).grant_to_admin?
+      end
+
       def remove_modules_permissions(module_name)
         permissions = @permissions
 
diff --git a/lib/open_project/access_control/mapper.rb b/lib/open_project/access_control/mapper.rb
index 283fcde76d..e792b14950 100644
--- a/lib/open_project/access_control/mapper.rb
+++ b/lib/open_project/access_control/mapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -31,9 +29,8 @@
 module OpenProject
   module AccessControl
     class Mapper
-      def permission(name, hash, options = {})
-        options[:project_module] = @project_module
-        mapped_permissions << Permission.new(name, hash, options)
+      def permission(name, hash, **options)
+        mapped_permissions << Permission.new(name, hash, project_module: @project_module, **options)
       end
 
       def project_module(name, options = {})
diff --git a/lib/open_project/access_control/permission.rb b/lib/open_project/access_control/permission.rb
index 4cae12ccaa..5a253298e3 100644
--- a/lib/open_project/access_control/permission.rb
+++ b/lib/open_project/access_control/permission.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -37,24 +35,33 @@ module OpenProject
                   :project_module,
                   :dependencies
 
-      def initialize(name, hash, options)
+      def initialize(name,
+                     hash,
+                     public: false,
+                     require: nil,
+                     global: false,
+                     enabled: true,
+                     project_module: nil,
+                     contract_actions: [],
+                     grant_to_admin: true,
+                     dependencies: nil)
         @name = name
-        @controller_actions = []
-        @public = options[:public] || false
-        @require = options[:require]
-        @global = options[:global] || false
-        @enabled = options.include?(:enabled) ? options[:enabled] : true
-        @dependencies = Array(options[:dependencies]) || []
-        @project_module = options[:project_module]
-        @contract_actions = options[:contract_actions] || []
-        hash.each do |controller, actions|
-          @controller_actions << if actions.is_a? Array
-                                   actions.map { |action| "#{controller}/#{action}" }
-                                 else
-                                   "#{controller}/#{actions}"
-                                 end
-        end
-        @controller_actions.flatten!
+        @public = public
+        @require = require
+        @global = global
+        @enabled = enabled
+        @project_module = project_module
+        @contract_actions = contract_actions
+        @grant_to_admin = grant_to_admin
+        @dependencies = Array(dependencies)
+
+        @controller_actions = hash.map do |controller, actions|
+          if actions.is_a? Array
+            actions.map { |action| "#{controller}/#{action}" }
+          else
+            "#{controller}/#{actions}"
+          end
+        end.flatten
       end
 
       def public?
@@ -65,6 +72,10 @@ module OpenProject
         @global
       end
 
+      def grant_to_admin?
+        @grant_to_admin
+      end
+
       def require_member?
         @require && @require == :member
       end
diff --git a/lib/open_project/access_keys.rb b/lib/open_project/access_keys.rb
index 77a3375863..8c069fce97 100644
--- a/lib/open_project/access_keys.rb
+++ b/lib/open_project/access_keys.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/acts_as_url/adapter/op_active_record.rb b/lib/open_project/acts_as_url/adapter/op_active_record.rb
index a5a40bdaf6..b12abd3f80 100644
--- a/lib/open_project/acts_as_url/adapter/op_active_record.rb
+++ b/lib/open_project/acts_as_url/adapter/op_active_record.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/assets.rb b/lib/open_project/assets.rb
index 85fec35318..9569fbf3bc 100644
--- a/lib/open_project/assets.rb
+++ b/lib/open_project/assets.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/changed_by_system.rb b/lib/open_project/changed_by_system.rb
index f8917ea5cd..027a8e8a65 100644
--- a/lib/open_project/changed_by_system.rb
+++ b/lib/open_project/changed_by_system.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/configuration.rb b/lib/open_project/configuration.rb
index e0de612c54..180ec42091 100644
--- a/lib/open_project/configuration.rb
+++ b/lib/open_project/configuration.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/configuration/helpers.rb b/lib/open_project/configuration/helpers.rb
index bec200ddeb..732c402105 100644
--- a/lib/open_project/configuration/helpers.rb
+++ b/lib/open_project/configuration/helpers.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/content_type_detector.rb b/lib/open_project/content_type_detector.rb
index cbe40d0271..dbf6b1596a 100644
--- a/lib/open_project/content_type_detector.rb
+++ b/lib/open_project/content_type_detector.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/custom_field_format.rb b/lib/open_project/custom_field_format.rb
index 5aa42b87ff..56db472ebd 100644
--- a/lib/open_project/custom_field_format.rb
+++ b/lib/open_project/custom_field_format.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/custom_styles/color_themes.rb b/lib/open_project/custom_styles/color_themes.rb
index 5e043485b2..8832d67f20 100644
--- a/lib/open_project/custom_styles/color_themes.rb
+++ b/lib/open_project/custom_styles/color_themes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/custom_styles/design.rb b/lib/open_project/custom_styles/design.rb
index b86f96cf0f..d721e0a598 100644
--- a/lib/open_project/custom_styles/design.rb
+++ b/lib/open_project/custom_styles/design.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/database.rb b/lib/open_project/database.rb
index f9a1f2c2fe..72e7187105 100644
--- a/lib/open_project/database.rb
+++ b/lib/open_project/database.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/default_wp_queries.rb b/lib/open_project/default_wp_queries.rb
index 497763dccf..96786df7db 100644
--- a/lib/open_project/default_wp_queries.rb
+++ b/lib/open_project/default_wp_queries.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/file_command_content_type_detector.rb b/lib/open_project/file_command_content_type_detector.rb
index 91a331b9e2..ffabbee8ff 100644
--- a/lib/open_project/file_command_content_type_detector.rb
+++ b/lib/open_project/file_command_content_type_detector.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/footer.rb b/lib/open_project/footer.rb
index 75719afa0b..73f032c446 100644
--- a/lib/open_project/footer.rb
+++ b/lib/open_project/footer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/form_tag_helper.rb b/lib/open_project/form_tag_helper.rb
index aef832d24a..48970d0dcb 100644
--- a/lib/open_project/form_tag_helper.rb
+++ b/lib/open_project/form_tag_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/full_text_search.rb b/lib/open_project/full_text_search.rb
index d6e36e537f..a11bdcdc9a 100644
--- a/lib/open_project/full_text_search.rb
+++ b/lib/open_project/full_text_search.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/hook.rb b/lib/open_project/hook.rb
index 3b2a55003c..d597e53c98 100644
--- a/lib/open_project/hook.rb
+++ b/lib/open_project/hook.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/info.rb b/lib/open_project/info.rb
index 92b02e9890..0fae6e07e2 100644
--- a/lib/open_project/info.rb
+++ b/lib/open_project/info.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/journal/attachment_helper.rb b/lib/open_project/journal/attachment_helper.rb
index ff7bf9b58a..96185fd872 100644
--- a/lib/open_project/journal/attachment_helper.rb
+++ b/lib/open_project/journal/attachment_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/locale_helper.rb b/lib/open_project/locale_helper.rb
index eac060cfef..132e86614c 100644
--- a/lib/open_project/locale_helper.rb
+++ b/lib/open_project/locale_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/mime_type.rb b/lib/open_project/mime_type.rb
index 3e99386c10..8f341b9a7f 100644
--- a/lib/open_project/mime_type.rb
+++ b/lib/open_project/mime_type.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/mutex.rb b/lib/open_project/mutex.rb
index 872bb192d9..1dd1b34bf6 100644
--- a/lib/open_project/mutex.rb
+++ b/lib/open_project/mutex.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/nested_set/rebuild_patch.rb b/lib/open_project/nested_set/rebuild_patch.rb
index 5ecdf87760..e676850571 100644
--- a/lib/open_project/nested_set/rebuild_patch.rb
+++ b/lib/open_project/nested_set/rebuild_patch.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/null_db_fallback.rb b/lib/open_project/null_db_fallback.rb
index cf518541d2..c1bd4a2d45 100644
--- a/lib/open_project/null_db_fallback.rb
+++ b/lib/open_project/null_db_fallback.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/object_linking.rb b/lib/open_project/object_linking.rb
index fc01a5d02b..4bb29c3997 100644
--- a/lib/open_project/object_linking.rb
+++ b/lib/open_project/object_linking.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/page_hierarchy_helper.rb b/lib/open_project/page_hierarchy_helper.rb
index 6cecd5f368..38287ba9ec 100644
--- a/lib/open_project/page_hierarchy_helper.rb
+++ b/lib/open_project/page_hierarchy_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/passwords.rb b/lib/open_project/passwords.rb
index ab71363f75..c33aa04dd0 100644
--- a/lib/open_project/passwords.rb
+++ b/lib/open_project/passwords.rb
@@ -1,5 +1,3 @@
-# encoding: utf-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/patches.rb b/lib/open_project/patches.rb
index 2b01f22c56..4f9bb8426a 100644
--- a/lib/open_project/patches.rb
+++ b/lib/open_project/patches.rb
@@ -1,5 +1,3 @@
-# encoding: utf-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/patches/action_view_helpers_asset_tag_helper.rb b/lib/open_project/patches/action_view_helpers_asset_tag_helper.rb
index cb9da112c5..ed7bfbb24f 100644
--- a/lib/open_project/patches/action_view_helpers_asset_tag_helper.rb
+++ b/lib/open_project/patches/action_view_helpers_asset_tag_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/patches/active_model_errors.rb b/lib/open_project/patches/active_model_errors.rb
index a44af16c7c..c544e0a718 100644
--- a/lib/open_project/patches/active_model_errors.rb
+++ b/lib/open_project/patches/active_model_errors.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/patches/string.rb b/lib/open_project/patches/string.rb
index 2015ac0afc..1b0d0f34be 100644
--- a/lib/open_project/patches/string.rb
+++ b/lib/open_project/patches/string.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/plugins/module_handler.rb b/lib/open_project/plugins/module_handler.rb
index 9b8efde1ad..342cb2cd51 100644
--- a/lib/open_project/plugins/module_handler.rb
+++ b/lib/open_project/plugins/module_handler.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/repository_authentication.rb b/lib/open_project/repository_authentication.rb
index 3a4d05a0cd..ececab3fa0 100644
--- a/lib/open_project/repository_authentication.rb
+++ b/lib/open_project/repository_authentication.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/safe_params.rb b/lib/open_project/safe_params.rb
index 682c914dd5..5a770c6945 100644
--- a/lib/open_project/safe_params.rb
+++ b/lib/open_project/safe_params.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/adapters.rb b/lib/open_project/scm/adapters.rb
index f2b2be81bc..86f552ee46 100644
--- a/lib/open_project/scm/adapters.rb
+++ b/lib/open_project/scm/adapters.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/adapters/base.rb b/lib/open_project/scm/adapters/base.rb
index 5201d2681a..e98f2bfb75 100644
--- a/lib/open_project/scm/adapters/base.rb
+++ b/lib/open_project/scm/adapters/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/adapters/checkout_instructions.rb b/lib/open_project/scm/adapters/checkout_instructions.rb
index 71d297e66c..5581805b03 100644
--- a/lib/open_project/scm/adapters/checkout_instructions.rb
+++ b/lib/open_project/scm/adapters/checkout_instructions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/adapters/git.rb b/lib/open_project/scm/adapters/git.rb
index fd95f9e96d..dda124da6c 100644
--- a/lib/open_project/scm/adapters/git.rb
+++ b/lib/open_project/scm/adapters/git.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/adapters/local_client.rb b/lib/open_project/scm/adapters/local_client.rb
index 88a35a1b32..69384933ee 100644
--- a/lib/open_project/scm/adapters/local_client.rb
+++ b/lib/open_project/scm/adapters/local_client.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/adapters/subversion.rb b/lib/open_project/scm/adapters/subversion.rb
index 3e2be884cc..85ef3d979e 100644
--- a/lib/open_project/scm/adapters/subversion.rb
+++ b/lib/open_project/scm/adapters/subversion.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/exceptions.rb b/lib/open_project/scm/exceptions.rb
index 7d8fcff932..012b403f03 100644
--- a/lib/open_project/scm/exceptions.rb
+++ b/lib/open_project/scm/exceptions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/manageable_repository.rb b/lib/open_project/scm/manageable_repository.rb
index 7201be0378..18f24776ab 100644
--- a/lib/open_project/scm/manageable_repository.rb
+++ b/lib/open_project/scm/manageable_repository.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/scm/manager.rb b/lib/open_project/scm/manager.rb
index 16d0d30562..b65be30531 100644
--- a/lib/open_project/scm/manager.rb
+++ b/lib/open_project/scm/manager.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/sql_sanitization.rb b/lib/open_project/sql_sanitization.rb
index 2bb1fd65d7..ecfbfa7876 100644
--- a/lib/open_project/sql_sanitization.rb
+++ b/lib/open_project/sql_sanitization.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/static/homescreen.rb b/lib/open_project/static/homescreen.rb
index 46eb986991..206bdc429c 100644
--- a/lib/open_project/static/homescreen.rb
+++ b/lib/open_project/static/homescreen.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/static/links.rb b/lib/open_project/static/links.rb
index 7c91aa4a8b..5b78443a09 100644
--- a/lib/open_project/static/links.rb
+++ b/lib/open_project/static/links.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/storage.rb b/lib/open_project/storage.rb
index 42b5dbbc78..28477c8994 100644
--- a/lib/open_project/storage.rb
+++ b/lib/open_project/storage.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/syntax_highlighting.rb b/lib/open_project/syntax_highlighting.rb
index de577400fb..17a6b32a0a 100644
--- a/lib/open_project/syntax_highlighting.rb
+++ b/lib/open_project/syntax_highlighting.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting.rb b/lib/open_project/text_formatting.rb
index a7fb3eff17..f35fece824 100644
--- a/lib/open_project/text_formatting.rb
+++ b/lib/open_project/text_formatting.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/attachment_filter.rb b/lib/open_project/text_formatting/filters/attachment_filter.rb
index b756870f11..461347a2e3 100644
--- a/lib/open_project/text_formatting/filters/attachment_filter.rb
+++ b/lib/open_project/text_formatting/filters/attachment_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/autolink_filter.rb b/lib/open_project/text_formatting/filters/autolink_filter.rb
index 0007d25b9c..63cef22305 100644
--- a/lib/open_project/text_formatting/filters/autolink_filter.rb
+++ b/lib/open_project/text_formatting/filters/autolink_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/bem_css_filter.rb b/lib/open_project/text_formatting/filters/bem_css_filter.rb
index 2ad98a859a..916116af13 100644
--- a/lib/open_project/text_formatting/filters/bem_css_filter.rb
+++ b/lib/open_project/text_formatting/filters/bem_css_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/figure_wrapped_filter.rb b/lib/open_project/text_formatting/filters/figure_wrapped_filter.rb
index 97d87e4c9b..1b2c350702 100644
--- a/lib/open_project/text_formatting/filters/figure_wrapped_filter.rb
+++ b/lib/open_project/text_formatting/filters/figure_wrapped_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/link_attribute_filter.rb b/lib/open_project/text_formatting/filters/link_attribute_filter.rb
index 5765d89188..5d71ef4fd5 100644
--- a/lib/open_project/text_formatting/filters/link_attribute_filter.rb
+++ b/lib/open_project/text_formatting/filters/link_attribute_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/macro_filter.rb b/lib/open_project/text_formatting/filters/macro_filter.rb
index 9d13613949..e44db2c251 100644
--- a/lib/open_project/text_formatting/filters/macro_filter.rb
+++ b/lib/open_project/text_formatting/filters/macro_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/macros/child_pages.rb b/lib/open_project/text_formatting/filters/macros/child_pages.rb
index 3daab7f20a..4d4e2ddead 100644
--- a/lib/open_project/text_formatting/filters/macros/child_pages.rb
+++ b/lib/open_project/text_formatting/filters/macros/child_pages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/macros/child_pages/child_pages_context.rb b/lib/open_project/text_formatting/filters/macros/child_pages/child_pages_context.rb
index 189af8f988..78c5db0a4a 100644
--- a/lib/open_project/text_formatting/filters/macros/child_pages/child_pages_context.rb
+++ b/lib/open_project/text_formatting/filters/macros/child_pages/child_pages_context.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/macros/create_work_package_link.rb b/lib/open_project/text_formatting/filters/macros/create_work_package_link.rb
index f089a580d5..9b63a2a4bd 100644
--- a/lib/open_project/text_formatting/filters/macros/create_work_package_link.rb
+++ b/lib/open_project/text_formatting/filters/macros/create_work_package_link.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/macros/embedded_table.rb b/lib/open_project/text_formatting/filters/macros/embedded_table.rb
index 1b63c13839..29e68ae4bc 100644
--- a/lib/open_project/text_formatting/filters/macros/embedded_table.rb
+++ b/lib/open_project/text_formatting/filters/macros/embedded_table.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/macros/include_wiki_page.rb b/lib/open_project/text_formatting/filters/macros/include_wiki_page.rb
index e002db1079..f600de3499 100644
--- a/lib/open_project/text_formatting/filters/macros/include_wiki_page.rb
+++ b/lib/open_project/text_formatting/filters/macros/include_wiki_page.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/macros/toc.rb b/lib/open_project/text_formatting/filters/macros/toc.rb
index 8aa22c7b43..9b04719924 100644
--- a/lib/open_project/text_formatting/filters/macros/toc.rb
+++ b/lib/open_project/text_formatting/filters/macros/toc.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/markdown_filter.rb b/lib/open_project/text_formatting/filters/markdown_filter.rb
index bf8f2bb841..f7df62672f 100644
--- a/lib/open_project/text_formatting/filters/markdown_filter.rb
+++ b/lib/open_project/text_formatting/filters/markdown_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/mention_filter.rb b/lib/open_project/text_formatting/filters/mention_filter.rb
index 4a730a7325..deb80aa8e2 100644
--- a/lib/open_project/text_formatting/filters/mention_filter.rb
+++ b/lib/open_project/text_formatting/filters/mention_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/pattern_matcher_filter.rb b/lib/open_project/text_formatting/filters/pattern_matcher_filter.rb
index 07fe5a9492..1ab2dd9bf6 100644
--- a/lib/open_project/text_formatting/filters/pattern_matcher_filter.rb
+++ b/lib/open_project/text_formatting/filters/pattern_matcher_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/plain_filter.rb b/lib/open_project/text_formatting/filters/plain_filter.rb
index 565678615f..75153f50d2 100644
--- a/lib/open_project/text_formatting/filters/plain_filter.rb
+++ b/lib/open_project/text_formatting/filters/plain_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/relative_link_filter.rb b/lib/open_project/text_formatting/filters/relative_link_filter.rb
index 97c9e5d959..712e0f27df 100644
--- a/lib/open_project/text_formatting/filters/relative_link_filter.rb
+++ b/lib/open_project/text_formatting/filters/relative_link_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/sanitization_filter.rb b/lib/open_project/text_formatting/filters/sanitization_filter.rb
index 42a20d771a..cd007c653e 100644
--- a/lib/open_project/text_formatting/filters/sanitization_filter.rb
+++ b/lib/open_project/text_formatting/filters/sanitization_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/setting_macros_filter.rb b/lib/open_project/text_formatting/filters/setting_macros_filter.rb
index dae9bfd249..cfb2c1ddf7 100644
--- a/lib/open_project/text_formatting/filters/setting_macros_filter.rb
+++ b/lib/open_project/text_formatting/filters/setting_macros_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/syntax_highlight_filter.rb b/lib/open_project/text_formatting/filters/syntax_highlight_filter.rb
index bdf289d0ca..163c3e0ef8 100644
--- a/lib/open_project/text_formatting/filters/syntax_highlight_filter.rb
+++ b/lib/open_project/text_formatting/filters/syntax_highlight_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/table_of_contents_filter.rb b/lib/open_project/text_formatting/filters/table_of_contents_filter.rb
index 5b3bafe55e..9f0a8b1d66 100644
--- a/lib/open_project/text_formatting/filters/table_of_contents_filter.rb
+++ b/lib/open_project/text_formatting/filters/table_of_contents_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/filters/task_list_filter.rb b/lib/open_project/text_formatting/filters/task_list_filter.rb
index e5835470a2..00b28191a7 100644
--- a/lib/open_project/text_formatting/filters/task_list_filter.rb
+++ b/lib/open_project/text_formatting/filters/task_list_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats.rb b/lib/open_project/text_formatting/formats.rb
index 526e74b646..5c64e63867 100644
--- a/lib/open_project/text_formatting/formats.rb
+++ b/lib/open_project/text_formatting/formats.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/base_format.rb b/lib/open_project/text_formatting/formats/base_format.rb
index 5fe80dd494..1f5b8dfa11 100644
--- a/lib/open_project/text_formatting/formats/base_format.rb
+++ b/lib/open_project/text_formatting/formats/base_format.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/base_formatter.rb b/lib/open_project/text_formatting/formats/base_formatter.rb
index 1d2b30ebaa..a4a4cd62f4 100644
--- a/lib/open_project/text_formatting/formats/base_formatter.rb
+++ b/lib/open_project/text_formatting/formats/base_formatter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/markdown/format.rb b/lib/open_project/text_formatting/formats/markdown/format.rb
index 85dfc1c84b..b466a8e631 100644
--- a/lib/open_project/text_formatting/formats/markdown/format.rb
+++ b/lib/open_project/text_formatting/formats/markdown/format.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/markdown/formatter.rb b/lib/open_project/text_formatting/formats/markdown/formatter.rb
index 3a7ab9caef..61193e1de7 100644
--- a/lib/open_project/text_formatting/formats/markdown/formatter.rb
+++ b/lib/open_project/text_formatting/formats/markdown/formatter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/markdown/helper.rb b/lib/open_project/text_formatting/formats/markdown/helper.rb
index 9c476168f9..742c419094 100644
--- a/lib/open_project/text_formatting/formats/markdown/helper.rb
+++ b/lib/open_project/text_formatting/formats/markdown/helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/markdown/pandoc_downloader.rb b/lib/open_project/text_formatting/formats/markdown/pandoc_downloader.rb
index f8a0c99d01..b315321db1 100644
--- a/lib/open_project/text_formatting/formats/markdown/pandoc_downloader.rb
+++ b/lib/open_project/text_formatting/formats/markdown/pandoc_downloader.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/markdown/pandoc_wrapper.rb b/lib/open_project/text_formatting/formats/markdown/pandoc_wrapper.rb
index 1c4c71228e..418b86912e 100644
--- a/lib/open_project/text_formatting/formats/markdown/pandoc_wrapper.rb
+++ b/lib/open_project/text_formatting/formats/markdown/pandoc_wrapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/markdown/textile_converter.rb b/lib/open_project/text_formatting/formats/markdown/textile_converter.rb
index bc8cad752c..15d944a84c 100644
--- a/lib/open_project/text_formatting/formats/markdown/textile_converter.rb
+++ b/lib/open_project/text_formatting/formats/markdown/textile_converter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/plain/format.rb b/lib/open_project/text_formatting/formats/plain/format.rb
index 54f1248607..3a7355ef38 100644
--- a/lib/open_project/text_formatting/formats/plain/format.rb
+++ b/lib/open_project/text_formatting/formats/plain/format.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/plain/formatter.rb b/lib/open_project/text_formatting/formats/plain/formatter.rb
index d9985d8287..0e06ea0694 100644
--- a/lib/open_project/text_formatting/formats/plain/formatter.rb
+++ b/lib/open_project/text_formatting/formats/plain/formatter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/formats/plain/helper.rb b/lib/open_project/text_formatting/formats/plain/helper.rb
index 83780f7339..6c06815435 100644
--- a/lib/open_project/text_formatting/formats/plain/helper.rb
+++ b/lib/open_project/text_formatting/formats/plain/helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/helpers/link_rewriter.rb b/lib/open_project/text_formatting/helpers/link_rewriter.rb
index cee1a09dd4..f4fd755fe9 100644
--- a/lib/open_project/text_formatting/helpers/link_rewriter.rb
+++ b/lib/open_project/text_formatting/helpers/link_rewriter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/attribute_macros.rb b/lib/open_project/text_formatting/matchers/attribute_macros.rb
index f9aad84361..4dd01b3cc6 100644
--- a/lib/open_project/text_formatting/matchers/attribute_macros.rb
+++ b/lib/open_project/text_formatting/matchers/attribute_macros.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/link_handlers/base.rb b/lib/open_project/text_formatting/matchers/link_handlers/base.rb
index 974ef47cd5..14514d8292 100644
--- a/lib/open_project/text_formatting/matchers/link_handlers/base.rb
+++ b/lib/open_project/text_formatting/matchers/link_handlers/base.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/link_handlers/colon_separator.rb b/lib/open_project/text_formatting/matchers/link_handlers/colon_separator.rb
index 065642d753..f8dfafb10d 100644
--- a/lib/open_project/text_formatting/matchers/link_handlers/colon_separator.rb
+++ b/lib/open_project/text_formatting/matchers/link_handlers/colon_separator.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/link_handlers/hash_separator.rb b/lib/open_project/text_formatting/matchers/link_handlers/hash_separator.rb
index 467bd56343..3f696654e3 100644
--- a/lib/open_project/text_formatting/matchers/link_handlers/hash_separator.rb
+++ b/lib/open_project/text_formatting/matchers/link_handlers/hash_separator.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/link_handlers/revisions.rb b/lib/open_project/text_formatting/matchers/link_handlers/revisions.rb
index ef80587178..db3e38f351 100644
--- a/lib/open_project/text_formatting/matchers/link_handlers/revisions.rb
+++ b/lib/open_project/text_formatting/matchers/link_handlers/revisions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/link_handlers/work_packages.rb b/lib/open_project/text_formatting/matchers/link_handlers/work_packages.rb
index 2cbef1afd1..3f787bc7d6 100644
--- a/lib/open_project/text_formatting/matchers/link_handlers/work_packages.rb
+++ b/lib/open_project/text_formatting/matchers/link_handlers/work_packages.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/regex_matcher.rb b/lib/open_project/text_formatting/matchers/regex_matcher.rb
index 7302bc543f..5b7e43673b 100644
--- a/lib/open_project/text_formatting/matchers/regex_matcher.rb
+++ b/lib/open_project/text_formatting/matchers/regex_matcher.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/resource_links_matcher.rb b/lib/open_project/text_formatting/matchers/resource_links_matcher.rb
index 403b9264aa..8bdfdfd569 100644
--- a/lib/open_project/text_formatting/matchers/resource_links_matcher.rb
+++ b/lib/open_project/text_formatting/matchers/resource_links_matcher.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/matchers/wiki_links_matcher.rb b/lib/open_project/text_formatting/matchers/wiki_links_matcher.rb
index 69f133ebab..313c637123 100644
--- a/lib/open_project/text_formatting/matchers/wiki_links_matcher.rb
+++ b/lib/open_project/text_formatting/matchers/wiki_links_matcher.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/renderer.rb b/lib/open_project/text_formatting/renderer.rb
index 884fed1c89..626f0ee5d6 100644
--- a/lib/open_project/text_formatting/renderer.rb
+++ b/lib/open_project/text_formatting/renderer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/text_formatting/truncation.rb b/lib/open_project/text_formatting/truncation.rb
index 404acaf4ed..0de539da74 100644
--- a/lib/open_project/text_formatting/truncation.rb
+++ b/lib/open_project/text_formatting/truncation.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/ui/extensible_tabs.rb b/lib/open_project/ui/extensible_tabs.rb
index 5bd7e8ea39..661eb52745 100644
--- a/lib/open_project/ui/extensible_tabs.rb
+++ b/lib/open_project/ui/extensible_tabs.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/open_project/version.rb b/lib/open_project/version.rb
index 0b231d870d..460df37b73 100644
--- a/lib/open_project/version.rb
+++ b/lib/open_project/version.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/plugins/acts_as_attachable/init.rb b/lib/plugins/acts_as_attachable/init.rb
index dca308af07..df52b7a7c3 100644
--- a/lib/plugins/acts_as_attachable/init.rb
+++ b/lib/plugins/acts_as_attachable/init.rb
@@ -26,7 +26,5 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 require File.dirname(__FILE__) + '/lib/acts_as_attachable'
 ActiveRecord::Base.include Redmine::Acts::Attachable
diff --git a/lib/plugins/acts_as_customizable/init.rb b/lib/plugins/acts_as_customizable/init.rb
index c74868838e..4f505cde64 100644
--- a/lib/plugins/acts_as_customizable/init.rb
+++ b/lib/plugins/acts_as_customizable/init.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 require File.dirname(__FILE__) + '/lib/acts_as_customizable'
 require File.dirname(__FILE__) + '/lib/human_attribute_name'
 ActiveRecord::Base.include Redmine::Acts::Customizable
diff --git a/lib/plugins/acts_as_event/init.rb b/lib/plugins/acts_as_event/init.rb
index 6efcb8880b..d53d12301d 100644
--- a/lib/plugins/acts_as_event/init.rb
+++ b/lib/plugins/acts_as_event/init.rb
@@ -26,7 +26,5 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 require File.dirname(__FILE__) + '/lib/acts_as_event'
 ActiveRecord::Base.include Redmine::Acts::Event
diff --git a/lib/plugins/acts_as_journalized/init.rb b/lib/plugins/acts_as_journalized/init.rb
index b0500989d5..6d06aefa63 100644
--- a/lib/plugins/acts_as_journalized/init.rb
+++ b/lib/plugins/acts_as_journalized/init.rb
@@ -26,7 +26,5 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 require 'acts_as_journalized'
 ActiveRecord::Base.include(Acts::Journalized)
diff --git a/lib/plugins/acts_as_journalized/lib/acts/journalized/creation.rb b/lib/plugins/acts_as_journalized/lib/acts/journalized/creation.rb
index 2c7fec66c8..4d6e1330e4 100644
--- a/lib/plugins/acts_as_journalized/lib/acts/journalized/creation.rb
+++ b/lib/plugins/acts_as_journalized/lib/acts/journalized/creation.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file included as part of the acts_as_journalized plugin for
 # the redMine project management software; You can redistribute it
 # and/or modify it under the terms of the GNU General Public License
diff --git a/lib/plugins/acts_as_journalized/lib/acts/journalized/format_hooks.rb b/lib/plugins/acts_as_journalized/lib/acts/journalized/format_hooks.rb
index 9db5ec4b17..b7a80fc13a 100644
--- a/lib/plugins/acts_as_journalized/lib/acts/journalized/format_hooks.rb
+++ b/lib/plugins/acts_as_journalized/lib/acts/journalized/format_hooks.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file is part of the acts_as_journalized plugin for the redMine
 # project management software
 #
diff --git a/lib/plugins/acts_as_journalized/lib/acts/journalized/journalized.rb b/lib/plugins/acts_as_journalized/lib/acts/journalized/journalized.rb
index 00447e718b..f12a136ada 100644
--- a/lib/plugins/acts_as_journalized/lib/acts/journalized/journalized.rb
+++ b/lib/plugins/acts_as_journalized/lib/acts/journalized/journalized.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file included as part of the acts_as_journalized plugin for
 # the redMine project management software; You can redistribute it
 # and/or modify it under the terms of the GNU General Public License
diff --git a/lib/plugins/acts_as_journalized/lib/acts/journalized/options.rb b/lib/plugins/acts_as_journalized/lib/acts/journalized/options.rb
index 6a00a0dee2..676013040b 100644
--- a/lib/plugins/acts_as_journalized/lib/acts/journalized/options.rb
+++ b/lib/plugins/acts_as_journalized/lib/acts/journalized/options.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file included as part of the acts_as_journalized plugin for
 # the redMine project management software; You can redistribute it
 # and/or modify it under the terms of the GNU General Public License
@@ -103,7 +101,7 @@ module Acts::Journalized
 
       def options_with_defaults(options)
         {
-          class_name: Journal.name,
+          class_name: 'Journal',
           dependent: :destroy,
           foreign_key: :journable_id,
           timestamp: :updated_at,
diff --git a/lib/plugins/acts_as_journalized/lib/acts/journalized/permissions.rb b/lib/plugins/acts_as_journalized/lib/acts/journalized/permissions.rb
index 3fdd86710c..5318b6b31a 100644
--- a/lib/plugins/acts_as_journalized/lib/acts/journalized/permissions.rb
+++ b/lib/plugins/acts_as_journalized/lib/acts/journalized/permissions.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file is part of the acts_as_journalized plugin for the redMine
 # project management software
 #
diff --git a/lib/plugins/acts_as_journalized/lib/acts/journalized/reversion.rb b/lib/plugins/acts_as_journalized/lib/acts/journalized/reversion.rb
index 0e3e3ae6a0..46d51f474e 100644
--- a/lib/plugins/acts_as_journalized/lib/acts/journalized/reversion.rb
+++ b/lib/plugins/acts_as_journalized/lib/acts/journalized/reversion.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file included as part of the acts_as_journalized plugin for
 # the redMine project management software; You can redistribute it
 # and/or modify it under the terms of the GNU General Public License
diff --git a/lib/plugins/acts_as_journalized/lib/acts/journalized/save_hooks.rb b/lib/plugins/acts_as_journalized/lib/acts/journalized/save_hooks.rb
index b33a330d37..fa5b4f6259 100644
--- a/lib/plugins/acts_as_journalized/lib/acts/journalized/save_hooks.rb
+++ b/lib/plugins/acts_as_journalized/lib/acts/journalized/save_hooks.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file is part of the acts_as_journalized plugin for the redMine
 # project management software
 #
diff --git a/lib/plugins/acts_as_journalized/lib/acts_as_journalized.rb b/lib/plugins/acts_as_journalized/lib/acts_as_journalized.rb
index 27431ea2a4..53d33c0925 100644
--- a/lib/plugins/acts_as_journalized/lib/acts_as_journalized.rb
+++ b/lib/plugins/acts_as_journalized/lib/acts_as_journalized.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file is part of the acts_as_journalized plugin for the redMine
 # project management software
 #
diff --git a/lib/plugins/acts_as_journalized/lib/journal_changes.rb b/lib/plugins/acts_as_journalized/lib/journal_changes.rb
index 47d3dc8a60..f2c2a49299 100644
--- a/lib/plugins/acts_as_journalized/lib/journal_changes.rb
+++ b/lib/plugins/acts_as_journalized/lib/journal_changes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/plugins/acts_as_journalized/lib/journal_deprecated.rb b/lib/plugins/acts_as_journalized/lib/journal_deprecated.rb
index c5df16f5b0..13fc8b03d5 100644
--- a/lib/plugins/acts_as_journalized/lib/journal_deprecated.rb
+++ b/lib/plugins/acts_as_journalized/lib/journal_deprecated.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file is part of the acts_as_journalized plugin for the redMine
 # project management software
 #
diff --git a/lib/plugins/acts_as_journalized/lib/journal_detail.rb b/lib/plugins/acts_as_journalized/lib/journal_detail.rb
index 6a17c9bb6d..9faf82fb83 100644
--- a/lib/plugins/acts_as_journalized/lib/journal_detail.rb
+++ b/lib/plugins/acts_as_journalized/lib/journal_detail.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 class JournalDetail
   attr_reader :prop_key, :value, :old_value
 
diff --git a/lib/plugins/acts_as_journalized/lib/journal_formatter.rb b/lib/plugins/acts_as_journalized/lib/journal_formatter.rb
index 635a5a481c..59c5ea9cc9 100644
--- a/lib/plugins/acts_as_journalized/lib/journal_formatter.rb
+++ b/lib/plugins/acts_as_journalized/lib/journal_formatter.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # This file is part of the acts_as_journalized plugin for the redMine
 # project management software
 #
diff --git a/lib/plugins/acts_as_searchable/init.rb b/lib/plugins/acts_as_searchable/init.rb
index 915bba9700..95f60b161f 100644
--- a/lib/plugins/acts_as_searchable/init.rb
+++ b/lib/plugins/acts_as_searchable/init.rb
@@ -26,7 +26,5 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 require File.dirname(__FILE__) + '/lib/acts_as_searchable'
 ActiveRecord::Base.include Redmine::Acts::Searchable
diff --git a/lib/plugins/acts_as_watchable/init.rb b/lib/plugins/acts_as_watchable/init.rb
index 00aa051c5a..eed81d4ee8 100644
--- a/lib/plugins/acts_as_watchable/init.rb
+++ b/lib/plugins/acts_as_watchable/init.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # Include hook code here
 require File.dirname(__FILE__) + '/lib/acts_as_watchable'
 require File.dirname(__FILE__) + '/lib/acts_as_watchable/routes.rb'
diff --git a/lib/plugins/acts_as_watchable/lib/acts_as_watchable.rb b/lib/plugins/acts_as_watchable/lib/acts_as_watchable.rb
index 582c276d43..770de9f45c 100644
--- a/lib/plugins/acts_as_watchable/lib/acts_as_watchable.rb
+++ b/lib/plugins/acts_as_watchable/lib/acts_as_watchable.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-#-- encoding: UTF-8
-
 # ActsAsWatchable
 module Redmine
   module Acts
diff --git a/lib/plugins/load_path_helper.rb b/lib/plugins/load_path_helper.rb
index d6446b403a..bc9bf825bf 100644
--- a/lib/plugins/load_path_helper.rb
+++ b/lib/plugins/load_path_helper.rb
@@ -29,14 +29,13 @@
 module Plugins
   module LoadPathHelper
     def self.spec_load_paths
-      plugin_load_paths.map do |path|
-        File.join(path, 'spec')
-      end.keep_if { |path| File.directory?(path) }
+      plugin_load_paths.map { |path| File.join(path, 'spec') }
+                       .keep_if { |path| File.directory?(path) }
     end
 
     # fetch load paths for available plugins
     def self.plugin_load_paths
-      Rails.application.config.plugins_to_test_paths.map(&:to_s)
+      Rails.application.config.plugins_to_test_paths.map { _1.relative_path_from(Rails.root).to_s }
     end
   end
 end
diff --git a/lib/redmine/about.rb b/lib/redmine/about.rb
index 92d07313ed..32820c7e28 100644
--- a/lib/redmine/about.rb
+++ b/lib/redmine/about.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/ciphering.rb b/lib/redmine/ciphering.rb
index 6a0d5c9813..ba03cfaf19 100644
--- a/lib/redmine/ciphering.rb
+++ b/lib/redmine/ciphering.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/diff.rb b/lib/redmine/diff.rb
index 6ed6fbdfa4..c8ad933aa2 100644
--- a/lib/redmine/diff.rb
+++ b/lib/redmine/diff.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/diff_table.rb b/lib/redmine/diff_table.rb
index dc1fc22481..1bb11a8a22 100644
--- a/lib/redmine/diff_table.rb
+++ b/lib/redmine/diff_table.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/helpers/diff.rb b/lib/redmine/helpers/diff.rb
index d78126dbbe..587b24658f 100644
--- a/lib/redmine/helpers/diff.rb
+++ b/lib/redmine/helpers/diff.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/i18n.rb b/lib/redmine/i18n.rb
index 0488b7afad..f004056e85 100644
--- a/lib/redmine/i18n.rb
+++ b/lib/redmine/i18n.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/imap.rb b/lib/redmine/imap.rb
index d1731d3090..26596648ff 100644
--- a/lib/redmine/imap.rb
+++ b/lib/redmine/imap.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/menu_manager.rb b/lib/redmine/menu_manager.rb
index 387cd8377d..97d7aa19a7 100644
--- a/lib/redmine/menu_manager.rb
+++ b/lib/redmine/menu_manager.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/menu_manager/mapper.rb b/lib/redmine/menu_manager/mapper.rb
index 03cbe69a96..735b6d03d1 100644
--- a/lib/redmine/menu_manager/mapper.rb
+++ b/lib/redmine/menu_manager/mapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/menu_manager/menu_controller.rb b/lib/redmine/menu_manager/menu_controller.rb
index a0e6f3188b..4af3af6579 100644
--- a/lib/redmine/menu_manager/menu_controller.rb
+++ b/lib/redmine/menu_manager/menu_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/menu_manager/menu_error.rb b/lib/redmine/menu_manager/menu_error.rb
index 62a1b20ca0..0e16991a8a 100644
--- a/lib/redmine/menu_manager/menu_error.rb
+++ b/lib/redmine/menu_manager/menu_error.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/menu_manager/menu_helper.rb b/lib/redmine/menu_manager/menu_helper.rb
index ad0625869d..52ea06b4ac 100644
--- a/lib/redmine/menu_manager/menu_helper.rb
+++ b/lib/redmine/menu_manager/menu_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/menu_manager/menu_item.rb b/lib/redmine/menu_manager/menu_item.rb
index 3ee8a6a55e..e764d92a60 100644
--- a/lib/redmine/menu_manager/menu_item.rb
+++ b/lib/redmine/menu_manager/menu_item.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/menu_manager/tree_node.rb b/lib/redmine/menu_manager/tree_node.rb
index 2a64a2009f..4c48cb1179 100644
--- a/lib/redmine/menu_manager/tree_node.rb
+++ b/lib/redmine/menu_manager/tree_node.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/menu_manager/wiki_menu_helper.rb b/lib/redmine/menu_manager/wiki_menu_helper.rb
index 35ead1cda6..bd9186efd8 100644
--- a/lib/redmine/menu_manager/wiki_menu_helper.rb
+++ b/lib/redmine/menu_manager/wiki_menu_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/platform.rb b/lib/redmine/platform.rb
index 832f5b6e67..65dbe1c2c0 100644
--- a/lib/redmine/platform.rb
+++ b/lib/redmine/platform.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/plugin.rb b/lib/redmine/plugin.rb
index 7aaf512ef2..aadb55988f 100644
--- a/lib/redmine/plugin.rb
+++ b/lib/redmine/plugin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -315,11 +313,11 @@ module Redmine #:nodoc:
         mod, mod_options = @project_scope
         OpenProject::AccessControl.map do |map|
           map.project_module(mod, mod_options) do |map|
-            map.permission(name, actions, options)
+            map.permission(name, actions, **options)
           end
         end
       else
-        OpenProject::AccessControl.map { |map| map.permission(name, actions, options) }
+        OpenProject::AccessControl.map { |map| map.permission(name, actions, **options) }
       end
     end
 
diff --git a/lib/redmine/pop3.rb b/lib/redmine/pop3.rb
index 8b6e58c30d..4d68184d58 100644
--- a/lib/redmine/pop3.rb
+++ b/lib/redmine/pop3.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/search.rb b/lib/redmine/search.rb
index 148d182af5..b83aeaa4a8 100644
--- a/lib/redmine/search.rb
+++ b/lib/redmine/search.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/unified_diff.rb b/lib/redmine/unified_diff.rb
index 07deb57798..e0da16c3ea 100644
--- a/lib/redmine/unified_diff.rb
+++ b/lib/redmine/unified_diff.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/redmine/views/other_formats_builder.rb b/lib/redmine/views/other_formats_builder.rb
index 74299d13b7..d6fcf0a5fc 100644
--- a/lib/redmine/views/other_formats_builder.rb
+++ b/lib/redmine/views/other_formats_builder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tabular_form_builder.rb b/lib/tabular_form_builder.rb
index 451166a2da..5193fa96be 100644
--- a/lib/tabular_form_builder.rb
+++ b/lib/tabular_form_builder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/assets.rake b/lib/tasks/assets.rake
index b80c7fec46..3b863ffb22 100644
--- a/lib/tasks/assets.rake
+++ b/lib/tasks/assets.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/attachment_migrations.rake b/lib/tasks/attachment_migrations.rake
index 83c693addf..bc59ff46a5 100644
--- a/lib/tasks/attachment_migrations.rake
+++ b/lib/tasks/attachment_migrations.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/attachments.rake b/lib/tasks/attachments.rake
index d935c3a05b..585b72933a 100644
--- a/lib/tasks/attachments.rake
+++ b/lib/tasks/attachments.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/backup.rake b/lib/tasks/backup.rake
index 0d5b1a24db..a7fafb3b55 100644
--- a/lib/tasks/backup.rake
+++ b/lib/tasks/backup.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/ciphering.rake b/lib/tasks/ciphering.rake
index 0a0d50adbd..261512b618 100644
--- a/lib/tasks/ciphering.rake
+++ b/lib/tasks/ciphering.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/code.rake b/lib/tasks/code.rake
index 95b72ae6bb..2048026011 100644
--- a/lib/tasks/code.rake
+++ b/lib/tasks/code.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -44,32 +42,4 @@ namespace :code do
       end
     end
   end
-
-  desc 'Set the magic encoding comment everywhere to UTF-8'
-  task :source_encoding do
-    shebang = '\s*#!.*?(\n|\r\n)'
-    magic_regex = /\A(#{shebang})?\s*(#\W*(en)?coding:.*?$)/mi
-
-    magic_comment = '#-- encoding: UTF-8'
-
-    (Dir['script/**/**'] + Dir['**/**{.rb,.rake}']).each do |file_name|
-      next unless File.file?(file_name)
-
-      # We don't skip code here, as we need ALL code files to have UTF-8
-      # source encoding
-      file_content = File.read(file_name)
-      if file_content =~ magic_regex
-        file_content.gsub!(magic_regex, "\\1#{magic_comment}")
-      elsif file_content.start_with?('#!')
-        file_content.sub!(/(\n|\r\n)/, "\\1#{magic_comment}\\1")
-      # We have a shebang. Encoding comment is to put on the second line
-      else
-        file_content = magic_comment + "\n" + file_content
-      end
-
-      File.open(file_name, 'w') do |file|
-        file.write file_content
-      end
-    end
-  end
 end
diff --git a/lib/tasks/copyright.rake b/lib/tasks/copyright.rake
index 879063da8d..a5b8e5b2d4 100644
--- a/lib/tasks/copyright.rake
+++ b/lib/tasks/copyright.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/copyright_authors.rake b/lib/tasks/copyright_authors.rake
index 3073307e1c..2ac8c8a59f 100644
--- a/lib/tasks/copyright_authors.rake
+++ b/lib/tasks/copyright_authors.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/delayed_job.rake b/lib/tasks/delayed_job.rake
index d0edfa47dd..02677fa060 100644
--- a/lib/tasks/delayed_job.rake
+++ b/lib/tasks/delayed_job.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/delete_documents.rake b/lib/tasks/delete_documents.rake
index a577946833..8aa624bb86 100644
--- a/lib/tasks/delete_documents.rake
+++ b/lib/tasks/delete_documents.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/deprecated.rake b/lib/tasks/deprecated.rake
index 8416570359..f84d192f4f 100644
--- a/lib/tasks/deprecated.rake
+++ b/lib/tasks/deprecated.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/email.rake b/lib/tasks/email.rake
index 9b0abb9caf..181b7b3ae1 100644
--- a/lib/tasks/email.rake
+++ b/lib/tasks/email.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/environment.rake b/lib/tasks/environment.rake
index ff48d54159..33a482dd14 100644
--- a/lib/tasks/environment.rake
+++ b/lib/tasks/environment.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/extract_fixtures.rake b/lib/tasks/extract_fixtures.rake
index 113e34ba0c..09418e408d 100644
--- a/lib/tasks/extract_fixtures.rake
+++ b/lib/tasks/extract_fixtures.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/fetch_changesets.rake b/lib/tasks/fetch_changesets.rake
index 949f1e5d02..04adfe0506 100644
--- a/lib/tasks/fetch_changesets.rake
+++ b/lib/tasks/fetch_changesets.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/git.rake b/lib/tasks/git.rake
index d83dc68de6..1e12b1b933 100644
--- a/lib/tasks/git.rake
+++ b/lib/tasks/git.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/jdbc.rake b/lib/tasks/jdbc.rake
index 32cd28136e..9da2675583 100644
--- a/lib/tasks/jdbc.rake
+++ b/lib/tasks/jdbc.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/ldap.rake b/lib/tasks/ldap.rake
index 785dff31b7..48271a5443 100644
--- a/lib/tasks/ldap.rake
+++ b/lib/tasks/ldap.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/load_default_data.rake b/lib/tasks/load_default_data.rake
index 98ab4d32db..da0819eeed 100644
--- a/lib/tasks/load_default_data.rake
+++ b/lib/tasks/load_default_data.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/metrics.rake b/lib/tasks/metrics.rake
index 55bd33af53..07dd3cc02a 100644
--- a/lib/tasks/metrics.rake
+++ b/lib/tasks/metrics.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/packager.rake b/lib/tasks/packager.rake
index a16dfdd919..2cec9b56a2 100644
--- a/lib/tasks/packager.rake
+++ b/lib/tasks/packager.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/parallel_testing.rake b/lib/tasks/parallel_testing.rake
index 6c98baaa61..9851dfd7e6 100644
--- a/lib/tasks/parallel_testing.rake
+++ b/lib/tasks/parallel_testing.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/permissions.rake b/lib/tasks/permissions.rake
index bb2060bcb7..cd85679042 100644
--- a/lib/tasks/permissions.rake
+++ b/lib/tasks/permissions.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/plugins.rake b/lib/tasks/plugins.rake
index 8ae22d5348..5dacbeaa22 100644
--- a/lib/tasks/plugins.rake
+++ b/lib/tasks/plugins.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/release.rake b/lib/tasks/release.rake
index 6682b69c37..d3f40aa12b 100644
--- a/lib/tasks/release.rake
+++ b/lib/tasks/release.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/reminder.rake b/lib/tasks/reminder.rake
index e8e77cb885..fada9684bf 100644
--- a/lib/tasks/reminder.rake
+++ b/lib/tasks/reminder.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/reregister_password_migrations.rake b/lib/tasks/reregister_password_migrations.rake
index 2c0fdb6610..b8feb7abdf 100644
--- a/lib/tasks/reregister_password_migrations.rake
+++ b/lib/tasks/reregister_password_migrations.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/scm.rake b/lib/tasks/scm.rake
index b21f277c39..e915421132 100644
--- a/lib/tasks/scm.rake
+++ b/lib/tasks/scm.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/secret_token.rake b/lib/tasks/secret_token.rake
index 3d7dbd6664..c40411f741 100644
--- a/lib/tasks/secret_token.rake
+++ b/lib/tasks/secret_token.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/shared/user_feedback.rb b/lib/tasks/shared/user_feedback.rb
index fe3b1e8101..900b9aff1f 100644
--- a/lib/tasks/shared/user_feedback.rb
+++ b/lib/tasks/shared/user_feedback.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/testing.rake b/lib/tasks/testing.rake
index a1a2cc0348..3ba140fc0f 100644
--- a/lib/tasks/testing.rake
+++ b/lib/tasks/testing.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/version.rake b/lib/tasks/version.rake
index 9fff52d2c2..6721f7f07f 100644
--- a/lib/tasks/version.rake
+++ b/lib/tasks/version.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/watchers.rake b/lib/tasks/watchers.rake
index 0358628075..fb7540a257 100644
--- a/lib/tasks/watchers.rake
+++ b/lib/tasks/watchers.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/lib/tasks/yardoc.rake b/lib/tasks/yardoc.rake
index 08b80eff5e..2f6292a926 100644
--- a/lib/tasks/yardoc.rake
+++ b/lib/tasks/yardoc.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/auth_plugins/lib/omni_auth/flexible_builder.rb b/modules/auth_plugins/lib/omni_auth/flexible_builder.rb
index 285d2a645f..deb0f4072a 100644
--- a/modules/auth_plugins/lib/omni_auth/flexible_builder.rb
+++ b/modules/auth_plugins/lib/omni_auth/flexible_builder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/auth_plugins/lib/omni_auth/flexible_strategy.rb b/modules/auth_plugins/lib/omni_auth/flexible_strategy.rb
index 5e04714508..5ca31ae2c2 100644
--- a/modules/auth_plugins/lib/omni_auth/flexible_strategy.rb
+++ b/modules/auth_plugins/lib/omni_auth/flexible_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/auth_plugins/lib/open_project/auth_plugins.rb b/modules/auth_plugins/lib/open_project/auth_plugins.rb
index 997440dad9..5a6930f1a1 100644
--- a/modules/auth_plugins/lib/open_project/auth_plugins.rb
+++ b/modules/auth_plugins/lib/open_project/auth_plugins.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/auth_plugins/lib/open_project/auth_plugins/engine.rb b/modules/auth_plugins/lib/open_project/auth_plugins/engine.rb
index 8037eea55c..748c4d66cb 100644
--- a/modules/auth_plugins/lib/open_project/auth_plugins/engine.rb
+++ b/modules/auth_plugins/lib/open_project/auth_plugins/engine.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/auth_plugins/lib/open_project/auth_plugins/hooks.rb b/modules/auth_plugins/lib/open_project/auth_plugins/hooks.rb
index 4a2136edc5..0bf9539e87 100644
--- a/modules/auth_plugins/lib/open_project/auth_plugins/hooks.rb
+++ b/modules/auth_plugins/lib/open_project/auth_plugins/hooks.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/auth_plugins/lib/open_project/plugins/auth_plugin.rb b/modules/auth_plugins/lib/open_project/plugins/auth_plugin.rb
index 47587cff99..f71c5778aa 100644
--- a/modules/auth_plugins/lib/open_project/plugins/auth_plugin.rb
+++ b/modules/auth_plugins/lib/open_project/plugins/auth_plugin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/auth_plugins/lib/openproject-auth_plugins.rb b/modules/auth_plugins/lib/openproject-auth_plugins.rb
index a288cda87f..57767634c8 100644
--- a/modules/auth_plugins/lib/openproject-auth_plugins.rb
+++ b/modules/auth_plugins/lib/openproject-auth_plugins.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/auth_plugins/openproject-auth_plugins.gemspec b/modules/auth_plugins/openproject-auth_plugins.gemspec
index c29b75e8be..3c7c8970bf 100644
--- a/modules/auth_plugins/openproject-auth_plugins.gemspec
+++ b/modules/auth_plugins/openproject-auth_plugins.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = 'openproject-auth_plugins'
   s.version     = '1.0.0'
diff --git a/modules/auth_saml/openproject-auth_saml.gemspec b/modules/auth_saml/openproject-auth_saml.gemspec
index a4599e4784..35866cece7 100644
--- a/modules/auth_saml/openproject-auth_saml.gemspec
+++ b/modules/auth_saml/openproject-auth_saml.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = 'openproject-auth_saml'
   s.version     = '1.0.0'
diff --git a/modules/avatars/config/locales/crowdin/zh-TW.yml b/modules/avatars/config/locales/crowdin/zh-TW.yml
index 662e490f5a..7199adcadf 100644
--- a/modules/avatars/config/locales/crowdin/zh-TW.yml
+++ b/modules/avatars/config/locales/crowdin/zh-TW.yml
@@ -1,7 +1,7 @@
 #English strings go here
 zh-TW:
   label_avatar: "頭像分身"
-  label_avatar_plural: "Avatars"
+  label_avatar_plural: "頭像"
   label_current_avatar: "目前頭像"
   label_choose_avatar: "選擇頭像"
   message_avatar_uploaded: "大頭照上傳成功。"
diff --git a/modules/avatars/lib/api/v3/users/user_avatar_api.rb b/modules/avatars/lib/api/v3/users/user_avatar_api.rb
index 0d24f37984..959e7b76df 100644
--- a/modules/avatars/lib/api/v3/users/user_avatar_api.rb
+++ b/modules/avatars/lib/api/v3/users/user_avatar_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/avatars/openproject-avatars.gemspec b/modules/avatars/openproject-avatars.gemspec
index 0bfc497fac..5deab52b27 100644
--- a/modules/avatars/openproject-avatars.gemspec
+++ b/modules/avatars/openproject-avatars.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-avatars"
   s.version     = '1.0.0'
diff --git a/modules/backlogs/app/controllers/backlogs_settings_controller.rb b/modules/backlogs/app/controllers/backlogs_settings_controller.rb
index b87514e5f0..3d35ed8a3c 100644
--- a/modules/backlogs/app/controllers/backlogs_settings_controller.rb
+++ b/modules/backlogs/app/controllers/backlogs_settings_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/backlogs/app/controllers/projects/settings/backlogs_controller.rb b/modules/backlogs/app/controllers/projects/settings/backlogs_controller.rb
index 2262e80f6e..a7da921a45 100644
--- a/modules/backlogs/app/controllers/projects/settings/backlogs_controller.rb
+++ b/modules/backlogs/app/controllers/projects/settings/backlogs_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/backlogs/app/seeders/basic_data/backlogs/setting_seeder.rb b/modules/backlogs/app/seeders/basic_data/backlogs/setting_seeder.rb
index 4ecf6fbbc5..649f123022 100644
--- a/modules/backlogs/app/seeders/basic_data/backlogs/setting_seeder.rb
+++ b/modules/backlogs/app/seeders/basic_data/backlogs/setting_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/backlogs/config/locales/crowdin/uk.yml b/modules/backlogs/config/locales/crowdin/uk.yml
index f9245e53dc..097dbf5f3f 100644
--- a/modules/backlogs/config/locales/crowdin/uk.yml
+++ b/modules/backlogs/config/locales/crowdin/uk.yml
@@ -99,7 +99,7 @@ uk:
   backlogs_empty_title: "Не визначено жодних версій для використання у backlogs"
   backlogs_empty_action_text: "Щоб розпочати роботу з backlogs, створіть нову версію та призначте її у стовпці backlogs."
   button_edit_wiki: "Редагувати wiki-сторінку"
-  error_backlogs_task_cannot_be_story: "The settings are invalid. The selected task type can not also be a story type."
+  error_backlogs_task_cannot_be_story: "Налаштування недійсні. Вибраний тип завдання не може також бути історією."
   error_intro_plural: "Сталися такі помилки:"
   error_intro_singular: "Сталася така помилка:"
   error_outro: "Виправте наведені вище помилки перед повторним поданням."
@@ -137,7 +137,7 @@ uk:
   label_wiki: "Wiki"
   permission_view_master_backlog: "Перегляд головного backlog-у"
   permission_view_taskboards: "Перегляд панелі завдань"
-  permission_select_done_statuses: "Select done statuses"
+  permission_select_done_statuses: "Виберіть завершені статуси"
   permission_update_sprints: "Оновлення спринту"
   points_accepted: "пунктів прийнято"
   points_committed: "пунктів зафіксовано"
diff --git a/modules/backlogs/lib/open_project/backlogs/engine.rb b/modules/backlogs/lib/open_project/backlogs/engine.rb
index 6479732295..d7a6c75e48 100644
--- a/modules/backlogs/lib/open_project/backlogs/engine.rb
+++ b/modules/backlogs/lib/open_project/backlogs/engine.rb
@@ -206,8 +206,11 @@ module OpenProject::Backlogs
       ::Type.add_default_mapping(:estimates_and_time, :story_points, :remaining_time)
       ::Type.add_default_mapping(:other, :position)
 
-      Queries::Register.filter Query, OpenProject::Backlogs::WorkPackageFilter
-      Queries::Register.column Query, OpenProject::Backlogs::QueryBacklogsColumn
+      ::Queries::Register.register(::Query) do
+        filter OpenProject::Backlogs::WorkPackageFilter
+
+        column OpenProject::Backlogs::QueryBacklogsColumn
+      end
     end
   end
 end
diff --git a/modules/backlogs/spec/features/impediments_spec.rb b/modules/backlogs/spec/features/impediments_spec.rb
index 4207dfa529..acdc071ab7 100644
--- a/modules/backlogs/spec/features/impediments_spec.rb
+++ b/modules/backlogs/spec/features/impediments_spec.rb
@@ -60,7 +60,8 @@ describe 'Impediments on taskboard',
                            view_work_packages
                            edit_work_packages
                            manage_subtasks
-                           assign_versions))
+                           assign_versions
+                           work_package_assigned))
   end
   let!(:current_user) do
     create(:user,
diff --git a/modules/backlogs/spec/features/tasks_on_taskboard_spec.rb b/modules/backlogs/spec/features/tasks_on_taskboard_spec.rb
index 493ac7bc39..87594a1930 100644
--- a/modules/backlogs/spec/features/tasks_on_taskboard_spec.rb
+++ b/modules/backlogs/spec/features/tasks_on_taskboard_spec.rb
@@ -57,7 +57,8 @@ describe 'Tasks on taskboard',
                            view_work_packages
                            edit_work_packages
                            manage_subtasks
-                           assign_versions))
+                           assign_versions
+                           work_package_assigned))
   end
   let!(:current_user) do
     create(:user,
diff --git a/modules/backlogs/spec/services/impediments/create_services_spec.rb b/modules/backlogs/spec/services/impediments/create_services_spec.rb
index be2d673de9..de97bba8c5 100644
--- a/modules/backlogs/spec/services/impediments/create_services_spec.rb
+++ b/modules/backlogs/spec/services/impediments/create_services_spec.rb
@@ -32,7 +32,7 @@ describe Impediments::CreateService do
   let(:instance) { described_class.new(user: user) }
 
   let(:user) { create(:user) }
-  let(:role) { create(:role, permissions: %i(add_work_packages assign_versions)) }
+  let(:role) { create(:role, permissions: %i(add_work_packages assign_versions work_package_assigned)) }
   let(:type_feature) { create(:type_feature) }
   let(:type_task) { create(:type_task) }
   let(:priority) { create(:priority, is_default: true) }
diff --git a/modules/bim/app/contracts/bim/bcf/concerns/manage_bcf_guarded.rb b/modules/bim/app/contracts/bim/bcf/concerns/manage_bcf_guarded.rb
index e1c395bf08..cc2776e281 100644
--- a/modules/bim/app/contracts/bim/bcf/concerns/manage_bcf_guarded.rb
+++ b/modules/bim/app/contracts/bim/bcf/concerns/manage_bcf_guarded.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/contracts/bim/bcf/issues/base_contract.rb b/modules/bim/app/contracts/bim/bcf/issues/base_contract.rb
index 0540616fcb..bc68e6c504 100644
--- a/modules/bim/app/contracts/bim/bcf/issues/base_contract.rb
+++ b/modules/bim/app/contracts/bim/bcf/issues/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/contracts/bim/bcf/work_packages/update_contract.rb b/modules/bim/app/contracts/bim/bcf/work_packages/update_contract.rb
index 8ffa876448..a28116cdc5 100644
--- a/modules/bim/app/contracts/bim/bcf/work_packages/update_contract.rb
+++ b/modules/bim/app/contracts/bim/bcf/work_packages/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/bcf/api/root.rb b/modules/bim/app/controllers/bim/bcf/api/root.rb
index 87d8e51506..f74649d71a 100644
--- a/modules/bim/app/controllers/bim/bcf/api/root.rb
+++ b/modules/bim/app/controllers/bim/bcf/api/root.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/create.rb b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/create.rb
index 45ea5e175d..f73f436b02 100644
--- a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/create.rb
+++ b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/create.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/delete.rb b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/delete.rb
index 0e4d0390e3..03a4886fed 100644
--- a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/delete.rb
+++ b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/delete.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/index.rb b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/index.rb
index a9aac5c3c1..4dba3d905b 100644
--- a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/index.rb
+++ b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/index.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/modify_mixin.rb b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/modify_mixin.rb
index 458e53c49a..b9369830ff 100644
--- a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/modify_mixin.rb
+++ b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/modify_mixin.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/show.rb b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/show.rb
index e11511230d..67d8f98d14 100644
--- a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/show.rb
+++ b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/show.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/update.rb b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/update.rb
index 20d76423e1..97fb926a77 100644
--- a/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/update.rb
+++ b/modules/bim/app/controllers/bim/bcf/api/v2_1/endpoints/update.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/bcf/issues_controller.rb b/modules/bim/app/controllers/bim/bcf/issues_controller.rb
index 0c4fd170bd..52ee7ff40d 100644
--- a/modules/bim/app/controllers/bim/bcf/issues_controller.rb
+++ b/modules/bim/app/controllers/bim/bcf/issues_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/ifc_models/ifc_models_controller.rb b/modules/bim/app/controllers/bim/ifc_models/ifc_models_controller.rb
index 82bd447cc3..b5d5b314a5 100644
--- a/modules/bim/app/controllers/bim/ifc_models/ifc_models_controller.rb
+++ b/modules/bim/app/controllers/bim/ifc_models/ifc_models_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/controllers/bim/ifc_models/ifc_viewer_controller.rb b/modules/bim/app/controllers/bim/ifc_models/ifc_viewer_controller.rb
index 93cac98677..3070899569 100644
--- a/modules/bim/app/controllers/bim/ifc_models/ifc_viewer_controller.rb
+++ b/modules/bim/app/controllers/bim/ifc_models/ifc_viewer_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/formatters/bim/bcf/api/error_formatter/json.rb b/modules/bim/app/formatters/bim/bcf/api/error_formatter/json.rb
index fb6e166fd5..9a1da96767 100644
--- a/modules/bim/app/formatters/bim/bcf/api/error_formatter/json.rb
+++ b/modules/bim/app/formatters/bim/bcf/api/error_formatter/json.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/models/bim/queries/work_packages/columns/bcf_thumbnail_column.rb b/modules/bim/app/models/bim/queries/work_packages/columns/bcf_thumbnail_column.rb
index 512bb0aebd..5bc1c6c2b3 100644
--- a/modules/bim/app/models/bim/queries/work_packages/columns/bcf_thumbnail_column.rb
+++ b/modules/bim/app/models/bim/queries/work_packages/columns/bcf_thumbnail_column.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/models/bim/queries/work_packages/filter/bcf_issue_associated_filter.rb b/modules/bim/app/models/bim/queries/work_packages/filter/bcf_issue_associated_filter.rb
index 6adbd568d4..992aed3032 100644
--- a/modules/bim/app/models/bim/queries/work_packages/filter/bcf_issue_associated_filter.rb
+++ b/modules/bim/app/models/bim/queries/work_packages/filter/bcf_issue_associated_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/auth/single_representer.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/auth/single_representer.rb
index 112555d0df..749d269b38 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/auth/single_representer.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/auth/single_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/base_representer.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/base_representer.rb
index 017fd8d805..c368eab8b8 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/base_representer.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/base_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/errors/error_mapper.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/errors/error_mapper.rb
index 4f0e43081d..64da322878 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/errors/error_mapper.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/errors/error_mapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/errors/error_representer.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/errors/error_representer.rb
index 898cec4d9a..4f374b8177 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/errors/error_representer.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/errors/error_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/project_extensions/representer.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/project_extensions/representer.rb
index d38d91bcd0..91c2887b1a 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/project_extensions/representer.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/project_extensions/representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/projects/single_representer.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/projects/single_representer.rb
index 65b60df9d3..cd265e7f85 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/projects/single_representer.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/projects/single_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/topics/authorization_representer.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/topics/authorization_representer.rb
index 0807256a36..496d41cce3 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/topics/authorization_representer.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/topics/authorization_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/topics/single_representer.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/topics/single_representer.rb
index cc9f3e21bf..6fa831611d 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/topics/single_representer.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/topics/single_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/representers/bim/bcf/api/v2_1/users/single_representer.rb b/modules/bim/app/representers/bim/bcf/api/v2_1/users/single_representer.rb
index 5c640bc115..f9ca4193d0 100644
--- a/modules/bim/app/representers/bim/bcf/api/v2_1/users/single_representer.rb
+++ b/modules/bim/app/representers/bim/bcf/api/v2_1/users/single_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data/activity_seeder.rb b/modules/bim/app/seeders/bim/basic_data/activity_seeder.rb
index 5a947ca270..79f77d1fad 100644
--- a/modules/bim/app/seeders/bim/basic_data/activity_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data/activity_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data/priority_seeder.rb b/modules/bim/app/seeders/bim/basic_data/priority_seeder.rb
index 238cf01dff..cac98ada59 100644
--- a/modules/bim/app/seeders/bim/basic_data/priority_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data/priority_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data/role_seeder.rb b/modules/bim/app/seeders/bim/basic_data/role_seeder.rb
index 692ee06592..575960ae7a 100644
--- a/modules/bim/app/seeders/bim/basic_data/role_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data/role_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data/setting_seeder.rb b/modules/bim/app/seeders/bim/basic_data/setting_seeder.rb
index c9aaabb522..c05477c1ae 100644
--- a/modules/bim/app/seeders/bim/basic_data/setting_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data/setting_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data/status_seeder.rb b/modules/bim/app/seeders/bim/basic_data/status_seeder.rb
index 30db9df1ff..6704b50f66 100644
--- a/modules/bim/app/seeders/bim/basic_data/status_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data/status_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data/theme_seeder.rb b/modules/bim/app/seeders/bim/basic_data/theme_seeder.rb
index 87032e7c37..3717398f50 100644
--- a/modules/bim/app/seeders/bim/basic_data/theme_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data/theme_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data/type_seeder.rb b/modules/bim/app/seeders/bim/basic_data/type_seeder.rb
index 22ea4d507e..06909f15f6 100644
--- a/modules/bim/app/seeders/bim/basic_data/type_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data/type_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data/workflow_seeder.rb b/modules/bim/app/seeders/bim/basic_data/workflow_seeder.rb
index 30ecce746c..c38053b052 100644
--- a/modules/bim/app/seeders/bim/basic_data/workflow_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data/workflow_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/basic_data_seeder.rb b/modules/bim/app/seeders/bim/basic_data_seeder.rb
index 7592c1c05a..01398b4723 100644
--- a/modules/bim/app/seeders/bim/basic_data_seeder.rb
+++ b/modules/bim/app/seeders/bim/basic_data_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/demo_data/bcf_xml_seeder.rb b/modules/bim/app/seeders/bim/demo_data/bcf_xml_seeder.rb
index 3a8e63a3d4..f8794cef3b 100644
--- a/modules/bim/app/seeders/bim/demo_data/bcf_xml_seeder.rb
+++ b/modules/bim/app/seeders/bim/demo_data/bcf_xml_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/seeders/bim/demo_data/ifc_model_seeder.rb b/modules/bim/app/seeders/bim/demo_data/ifc_model_seeder.rb
index 98fac292e6..29dd51450d 100644
--- a/modules/bim/app/seeders/bim/demo_data/ifc_model_seeder.rb
+++ b/modules/bim/app/seeders/bim/demo_data/ifc_model_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/services/bim/bcf/issues/create_service.rb b/modules/bim/app/services/bim/bcf/issues/create_service.rb
index 60c640f188..674f56c75d 100644
--- a/modules/bim/app/services/bim/bcf/issues/create_service.rb
+++ b/modules/bim/app/services/bim/bcf/issues/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/services/bim/bcf/issues/delete_service.rb b/modules/bim/app/services/bim/bcf/issues/delete_service.rb
index 277cfc55b9..2a16db77c5 100644
--- a/modules/bim/app/services/bim/bcf/issues/delete_service.rb
+++ b/modules/bim/app/services/bim/bcf/issues/delete_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/services/bim/bcf/issues/set_attributes_service.rb b/modules/bim/app/services/bim/bcf/issues/set_attributes_service.rb
index ecd10fd208..06a4f9f8c8 100644
--- a/modules/bim/app/services/bim/bcf/issues/set_attributes_service.rb
+++ b/modules/bim/app/services/bim/bcf/issues/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/services/bim/bcf/issues/transform_attributes_service.rb b/modules/bim/app/services/bim/bcf/issues/transform_attributes_service.rb
index a710d1b5ea..9add9ae243 100644
--- a/modules/bim/app/services/bim/bcf/issues/transform_attributes_service.rb
+++ b/modules/bim/app/services/bim/bcf/issues/transform_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/services/bim/bcf/issues/update_service.rb b/modules/bim/app/services/bim/bcf/issues/update_service.rb
index 79f3a10d63..80ef38467b 100644
--- a/modules/bim/app/services/bim/bcf/issues/update_service.rb
+++ b/modules/bim/app/services/bim/bcf/issues/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/services/bim/bcf/viewpoints/delete_service.rb b/modules/bim/app/services/bim/bcf/viewpoints/delete_service.rb
index 571792ded7..5f4ad074d1 100644
--- a/modules/bim/app/services/bim/bcf/viewpoints/delete_service.rb
+++ b/modules/bim/app/services/bim/bcf/viewpoints/delete_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/app/services/bim/ifc_models/set_attributes_service.rb b/modules/bim/app/services/bim/ifc_models/set_attributes_service.rb
index 20b1cbd31c..ee7856406a 100644
--- a/modules/bim/app/services/bim/ifc_models/set_attributes_service.rb
+++ b/modules/bim/app/services/bim/ifc_models/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/config/locales/en.seeders.bim.yml b/modules/bim/config/locales/en.seeders.bim.yml
index 0bfb4762c9..2f4b373ca3 100644
--- a/modules/bim/config/locales/en.seeders.bim.yml
+++ b/modules/bim/config/locales/en.seeders.bim.yml
@@ -94,6 +94,7 @@ en:
               - news
               - wiki
               - board_view
+              - team_planner_view
             news:
               - title: Welcome to your demo project
                 summary: >
@@ -112,6 +113,7 @@ en:
                 timeline: true
                 sort_by: start_date
                 hierarchy: true
+                starred: true
                 columns:
                   - id
                   - type
@@ -143,6 +145,9 @@ en:
                   - type
                   - status
                   - assigned_to
+              - name: Team planner
+                module: team_planner
+                assignee: OpenProject Admin
             boards:
               bcf:
                 name: "Simple drag'n drop workflow"
@@ -162,6 +167,7 @@ en:
               - news
               - wiki
               - board_view
+              - team_planner_view
             news:
               - title: Welcome to your demo project
                 summary: >
@@ -180,6 +186,7 @@ en:
                 timeline: true
                 sort_by: start_date
                 hierarchy: true
+                starred: true
                 columns:
                   - id
                   - type
@@ -211,6 +218,9 @@ en:
                   - type
                   - status
                   - assigned_to
+              - name: Team planner
+                module: team_planner
+                assignee: OpenProject Admin
             work_packages:
               - :start: 4
                 :subject: Project kick off construction project
@@ -544,6 +554,7 @@ en:
               - news
               - wiki
               - board_view
+              - team_planner_view
             news:
               - title: Welcome to your demo project
                 summary: >
@@ -562,6 +573,7 @@ en:
                 timeline: true
                 sort_by: start_date
                 hierarchy: true
+                starred: true
                 columns:
                   - id
                   - type
@@ -593,6 +605,9 @@ en:
                   - type
                   - status
                   - assigned_to
+              - name: Team planner
+                module: team_planner
+                assignee: OpenProject Admin
             work_packages:
               - :start: 14
                 :subject: Project kick off creating BIM model
@@ -1025,6 +1040,7 @@ en:
               - work_package_tracking
               - bim
               - board_view
+              - team_planner_view
             ifc_models:
               - file: 'hospital_architecture'
                 name: 'Hospital - Architecture (cc-by-sa-3.0 Autodesk Inc.)'
@@ -1067,6 +1083,7 @@ en:
                 timeline: true
                 sort_by: start_date
                 hierarchy: true
+                starred: true
                 columns:
                   - id
                   - type
@@ -1098,6 +1115,9 @@ en:
                   - type
                   - status
                   - assigned_to
+              - name: Team planner
+                module: team_planner
+                assignee: OpenProject Admin
             boards:
               bcf:
                 name: "BCF issues"
diff --git a/modules/bim/db/migrate/20201105154216_seed_custom_style_with_bim_theme.rb b/modules/bim/db/migrate/20201105154216_seed_custom_style_with_bim_theme.rb
index 78a48b4790..5f52362bcf 100644
--- a/modules/bim/db/migrate/20201105154216_seed_custom_style_with_bim_theme.rb
+++ b/modules/bim/db/migrate/20201105154216_seed_custom_style_with_bim_theme.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/lib/api/bim/utilities/path_helper.rb b/modules/bim/lib/api/bim/utilities/path_helper.rb
index a811ccff10..07f6df7802 100644
--- a/modules/bim/lib/api/bim/utilities/path_helper.rb
+++ b/modules/bim/lib/api/bim/utilities/path_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/lib/open_project/bim/engine.rb b/modules/bim/lib/open_project/bim/engine.rb
index 4fac6db7ff..b1a304c731 100644
--- a/modules/bim/lib/open_project/bim/engine.rb
+++ b/modules/bim/lib/open_project/bim/engine.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -221,8 +219,11 @@ module OpenProject::Bim
         formatter ::WorkPackage, OpenProject::Bim::WorkPackage::Exporter::Formatters::BcfThumbnail
       end
 
-      ::Queries::Register.filter ::Query, ::Bim::Queries::WorkPackages::Filter::BcfIssueAssociatedFilter
-      ::Queries::Register.column ::Query, ::Bim::Queries::WorkPackages::Columns::BcfThumbnailColumn
+      ::Queries::Register.register(::Query) do
+        filter ::Bim::Queries::WorkPackages::Filter::BcfIssueAssociatedFilter
+
+        column ::Bim::Queries::WorkPackages::Columns::BcfThumbnailColumn
+      end
 
       ::API::Root.class_eval do
         content_type :binary, 'application/octet-stream'
diff --git a/modules/bim/lib/open_project/bim/patches/query_builder_patch.rb b/modules/bim/lib/open_project/bim/patches/query_builder_patch.rb
index ea8490e514..b1351d293a 100644
--- a/modules/bim/lib/open_project/bim/patches/query_builder_patch.rb
+++ b/modules/bim/lib/open_project/bim/patches/query_builder_patch.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/modules/bim/lib/tasks/openproject-bim.rake b/modules/bim/lib/tasks/openproject-bim.rake
index c6b5e3dcab..cbaa8b5820 100644
--- a/modules/bim/lib/tasks/openproject-bim.rake
+++ b/modules/bim/lib/tasks/openproject-bim.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/openproject-bcf.gemspec b/modules/bim/openproject-bcf.gemspec
index 7fa3e1b35e..7c9c66af06 100644
--- a/modules/bim/openproject-bcf.gemspec
+++ b/modules/bim/openproject-bcf.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |s|
   s.name        = "openproject-bim"
diff --git a/modules/bim/spec/contracts/ifc_models/create_contract_spec.rb b/modules/bim/spec/contracts/ifc_models/create_contract_spec.rb
index e3e8301588..011e5bba31 100644
--- a/modules/bim/spec/contracts/ifc_models/create_contract_spec.rb
+++ b/modules/bim/spec/contracts/ifc_models/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/contracts/ifc_models/shared_contract_examples.rb b/modules/bim/spec/contracts/ifc_models/shared_contract_examples.rb
index 2a14f6145c..74e8e684b6 100644
--- a/modules/bim/spec/contracts/ifc_models/shared_contract_examples.rb
+++ b/modules/bim/spec/contracts/ifc_models/shared_contract_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/contracts/ifc_models/update_contract_spec.rb b/modules/bim/spec/contracts/ifc_models/update_contract_spec.rb
index e06b041971..bf4a5bc85f 100644
--- a/modules/bim/spec/contracts/ifc_models/update_contract_spec.rb
+++ b/modules/bim/spec/contracts/ifc_models/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/controllers/work_packages_controller_spec.rb b/modules/bim/spec/controllers/work_packages_controller_spec.rb
index 8a8de8dbc8..345746ff00 100644
--- a/modules/bim/spec/controllers/work_packages_controller_spec.rb
+++ b/modules/bim/spec/controllers/work_packages_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/factories/bcf_issue_factory.rb b/modules/bim/spec/factories/bcf_issue_factory.rb
index 7cc5846754..1bfffc71ce 100644
--- a/modules/bim/spec/factories/bcf_issue_factory.rb
+++ b/modules/bim/spec/factories/bcf_issue_factory.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/lib/api/v3/work_packages/eager_loading/cache_checksum_integration_spec.rb b/modules/bim/spec/lib/api/v3/work_packages/eager_loading/cache_checksum_integration_spec.rb
index b4f1339e56..3268dcae9f 100644
--- a/modules/bim/spec/lib/api/v3/work_packages/eager_loading/cache_checksum_integration_spec.rb
+++ b/modules/bim/spec/lib/api/v3/work_packages/eager_loading/cache_checksum_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/models/queries/work_packages/filter/bcf_issue_associated_filter_spec.rb b/modules/bim/spec/models/queries/work_packages/filter/bcf_issue_associated_filter_spec.rb
index 1977ff0768..ea6e36c83a 100644
--- a/modules/bim/spec/models/queries/work_packages/filter/bcf_issue_associated_filter_spec.rb
+++ b/modules/bim/spec/models/queries/work_packages/filter/bcf_issue_associated_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/requests/api/bcf/v2_1/project_extensions_api_spec.rb b/modules/bim/spec/requests/api/bcf/v2_1/project_extensions_api_spec.rb
index 442e5a2c9f..99d07be982 100644
--- a/modules/bim/spec/requests/api/bcf/v2_1/project_extensions_api_spec.rb
+++ b/modules/bim/spec/requests/api/bcf/v2_1/project_extensions_api_spec.rb
@@ -75,13 +75,13 @@ describe 'BCF 2.1 project extensions resource', type: :request, content_type: :j
     let(:current_user) do
       create(:user,
              member_in_project: project,
-             member_with_permissions: %i[view_project edit_project manage_bcf view_members])
+             member_with_permissions: %i[view_project edit_project manage_bcf view_members work_package_assigned])
     end
 
     let(:other_user) do
       create(:user,
              member_in_project: project,
-             member_with_permissions: [:view_project])
+             member_with_permissions: %i[view_project work_package_assigned])
     end
 
     before do
diff --git a/modules/bim/spec/requests/api/bcf/v2_1/topics_api_spec.rb b/modules/bim/spec/requests/api/bcf/v2_1/topics_api_spec.rb
index 5ebe12a090..0bf8ea428d 100644
--- a/modules/bim/spec/requests/api/bcf/v2_1/topics_api_spec.rb
+++ b/modules/bim/spec/requests/api/bcf/v2_1/topics_api_spec.rb
@@ -38,7 +38,7 @@ describe 'BCF 2.1 topics resource', type: :request, content_type: :json, with_ma
   let(:view_only_user) do
     create(:user,
            member_in_project: project,
-           member_with_permissions: %i[view_linked_issues view_work_packages])
+           member_with_permissions: %i[view_linked_issues view_work_packages work_package_assigned])
   end
   let(:only_member_user) do
     create(:user,
diff --git a/modules/bim/spec/seeders/demo_data_seeder_spec.rb b/modules/bim/spec/seeders/demo_data_seeder_spec.rb
index 3c50b8a735..c48719b15f 100644
--- a/modules/bim/spec/seeders/demo_data_seeder_spec.rb
+++ b/modules/bim/spec/seeders/demo_data_seeder_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -41,7 +39,7 @@ describe RootSeeder,
     expect(Project.count).to eq 4
     expect(WorkPackage.count).to eq 76
     expect(Wiki.count).to eq 3
-    expect(Query.count).to eq 25
+    expect(Query.count).to eq 29
     expect(Group.count).to eq 8
     expect(Type.count).to eq 7
     expect(Status.count).to eq 4
diff --git a/modules/bim/spec/services/bcf/issues/create_service_spec.rb b/modules/bim/spec/services/bcf/issues/create_service_spec.rb
index 72e8813429..08523199a7 100644
--- a/modules/bim/spec/services/bcf/issues/create_service_spec.rb
+++ b/modules/bim/spec/services/bcf/issues/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/services/bcf/viewpoints/create_service_spec.rb b/modules/bim/spec/services/bcf/viewpoints/create_service_spec.rb
index 953e4c3605..5e4ba839b6 100644
--- a/modules/bim/spec/services/bcf/viewpoints/create_service_spec.rb
+++ b/modules/bim/spec/services/bcf/viewpoints/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/services/bcf/viewpoints/set_attributes_service_spec.rb b/modules/bim/spec/services/bcf/viewpoints/set_attributes_service_spec.rb
index 3ba5f39c9f..6ac3b95df8 100644
--- a/modules/bim/spec/services/bcf/viewpoints/set_attributes_service_spec.rb
+++ b/modules/bim/spec/services/bcf/viewpoints/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/services/ifc_models/set_attributes_service_spec.rb b/modules/bim/spec/services/ifc_models/set_attributes_service_spec.rb
index af9525d6d6..be7ef46e0d 100644
--- a/modules/bim/spec/services/ifc_models/set_attributes_service_spec.rb
+++ b/modules/bim/spec/services/ifc_models/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/bim/spec/workers/work_packages/exports/export_job_spec.rb b/modules/bim/spec/workers/work_packages/exports/export_job_spec.rb
index cdfba2c038..12ed61adf9 100644
--- a/modules/bim/spec/workers/work_packages/exports/export_job_spec.rb
+++ b/modules/bim/spec/workers/work_packages/exports/export_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/boards/app/models/boards/grid.rb b/modules/boards/app/models/boards/grid.rb
index 90f346a9f0..0741c071cc 100644
--- a/modules/boards/app/models/boards/grid.rb
+++ b/modules/boards/app/models/boards/grid.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/boards/app/services/boards/copy/widgets_dependent_service.rb b/modules/boards/app/services/boards/copy/widgets_dependent_service.rb
index fd38a9ca38..0ff3896ee8 100644
--- a/modules/boards/app/services/boards/copy/widgets_dependent_service.rb
+++ b/modules/boards/app/services/boards/copy/widgets_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/boards/app/services/boards/copy_service.rb b/modules/boards/app/services/boards/copy_service.rb
index f934e86d1f..b740e4fa20 100644
--- a/modules/boards/app/services/boards/copy_service.rb
+++ b/modules/boards/app/services/boards/copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/boards/config/locales/crowdin/js-af.yml b/modules/boards/config/locales/crowdin/js-af.yml
index 02f25265a2..e4a911a8e6 100644
--- a/modules/boards/config/locales/crowdin/js-af.yml
+++ b/modules/boards/config/locales/crowdin/js-af.yml
@@ -2,14 +2,13 @@
 af:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-ar.yml b/modules/boards/config/locales/crowdin/js-ar.yml
index 1d209b3dbc..aa9f33e954 100644
--- a/modules/boards/config/locales/crowdin/js-ar.yml
+++ b/modules/boards/config/locales/crowdin/js-ar.yml
@@ -2,14 +2,13 @@
 ar:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'لوحة غير مسماة'
       label_unnamed_list: 'قائمة غير مسماة'
       label_board_type: 'نوع اللوحة'
       upsale:
-        teaser_text: 'قم بتحسين إدارة مشروعك الرائع مع عرض المجالس المرنة هذا. قم بإنشاء أكبر عدد من اللوحات التي تريدها لأي شيء ترغب في متابعته.'
-        upgrade_to_ee_text: 'الجلسات هي ميزة المؤسسة. الرجاء الترقية إلى خطة مدفوعة.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'الترقية الآن'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'حذف القائمة'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-az.yml b/modules/boards/config/locales/crowdin/js-az.yml
index 4a3ed1ebf0..41de2dfc06 100644
--- a/modules/boards/config/locales/crowdin/js-az.yml
+++ b/modules/boards/config/locales/crowdin/js-az.yml
@@ -2,14 +2,13 @@
 az:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-bg.yml b/modules/boards/config/locales/crowdin/js-bg.yml
index 18c06e1483..70d9094d24 100644
--- a/modules/boards/config/locales/crowdin/js-bg.yml
+++ b/modules/boards/config/locales/crowdin/js-bg.yml
@@ -2,14 +2,13 @@
 bg:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-ca.yml b/modules/boards/config/locales/crowdin/js-ca.yml
index 78fc064fcd..4860eebf92 100644
--- a/modules/boards/config/locales/crowdin/js-ca.yml
+++ b/modules/boards/config/locales/crowdin/js-ca.yml
@@ -2,14 +2,13 @@
 ca:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Taulell sense nom'
       label_unnamed_list: 'Llista sense nom'
       label_board_type: 'Tipus de taulell'
       upsale:
-        teaser_text: 'Milloreu la vostra gestió de projectes àgils amb aquesta vista de taulells flexible. Creeu tants taulells com vulgueu per a qualsevol cosa que en vulgueu fer-ne seguiment.'
-        upgrade_to_ee_text: 'Els taulells són una característica Enterprise. Si us plau, actualitzeu a un pla de pagament.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Actualitzeu ara'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Suprimeix la llista'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-cs.yml b/modules/boards/config/locales/crowdin/js-cs.yml
index e44b7d20cd..a96abc4e7c 100644
--- a/modules/boards/config/locales/crowdin/js-cs.yml
+++ b/modules/boards/config/locales/crowdin/js-cs.yml
@@ -2,14 +2,13 @@
 cs:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Nepojmenovaná tabule'
       label_unnamed_list: 'Nepojmenovaný seznam'
       label_board_type: 'Typ tabule'
       upsale:
-        teaser_text: 'Zlepšete své agilní řízení projektů s tímto flexibilním zobrazením Boardů. Vytvořte tolik desek, kolik chcete pro cokoliv, co chcete sledovat.'
-        upgrade_to_ee_text: 'Board je funkce Enterprise. Proveďte upgrade na placený plán.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgradovat nyní'
-        personal_demo: 'Kontaktujte nás pro demo'
       lists:
         delete: 'Odstranit seznam'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-da.yml b/modules/boards/config/locales/crowdin/js-da.yml
index b7c4e8b5f0..b32db4f6da 100644
--- a/modules/boards/config/locales/crowdin/js-da.yml
+++ b/modules/boards/config/locales/crowdin/js-da.yml
@@ -2,14 +2,13 @@
 da:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Kontakt os for en demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-de.yml b/modules/boards/config/locales/crowdin/js-de.yml
index 249922f03f..94d3703527 100644
--- a/modules/boards/config/locales/crowdin/js-de.yml
+++ b/modules/boards/config/locales/crowdin/js-de.yml
@@ -2,14 +2,13 @@
 de:
   js:
     boards:
+      create_new: 'Neues Board'
       label_unnamed_board: 'Unbenanntes Board'
       label_unnamed_list: 'Unbenannte Liste'
       label_board_type: 'Board-Typ'
       upsale:
-        teaser_text: 'Verbessere dein agiles Projektmanagement mit dieser flexiblen Board-Ansicht. Erstelle so viele Boards wie du möchtest, um alles zu verfolgen.'
-        upgrade_to_ee_text: 'Boards sind ein Enterprise-Feature. Bitte aktualisieren Sie auf einen bezahlten Plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Jetzt Upgrade durchführen'
-        personal_demo: 'Kontaktieren Sie uns für eine Demo'
       lists:
         delete: 'Liste löschen'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-el.yml b/modules/boards/config/locales/crowdin/js-el.yml
index eacde56d05..6a00b17a79 100644
--- a/modules/boards/config/locales/crowdin/js-el.yml
+++ b/modules/boards/config/locales/crowdin/js-el.yml
@@ -2,14 +2,13 @@
 el:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Ανώνυμος πίνακας'
       label_unnamed_list: 'Ανώνυμη λίστα'
       label_board_type: 'Τύπος πίνακα'
       upsale:
-        teaser_text: 'Βελτιώστε την agile διαχείριση έργων σας με την ευέλικτη προβολή Πινάκων. Δημιουργήστε όσους πίνακες επιθυμείτε για οτιδήποτε θέλετε να παρακολουθείτε.'
-        upgrade_to_ee_text: 'Οι πίνακες είναι λειτουργία της Έκδοσης για Επιχειρήσεις. Παρακαλούμε αναβαθμίστε σε πλάνο επί πληρωμή.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Αναβαθμίστε τώρα'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Διαγραφή λίστας'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-eo.yml b/modules/boards/config/locales/crowdin/js-eo.yml
index e599b658a2..9cbd72431d 100644
--- a/modules/boards/config/locales/crowdin/js-eo.yml
+++ b/modules/boards/config/locales/crowdin/js-eo.yml
@@ -2,14 +2,13 @@
 eo:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Nenomita panelo'
       label_unnamed_list: 'Nenomita listo'
       label_board_type: 'Speco de panelo'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Ppromocii nun'
-        personal_demo: 'Kontaktu nin por provoversio'
       lists:
         delete: 'Forigi liston'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-es.yml b/modules/boards/config/locales/crowdin/js-es.yml
index 07b400b512..c909f2ac7c 100644
--- a/modules/boards/config/locales/crowdin/js-es.yml
+++ b/modules/boards/config/locales/crowdin/js-es.yml
@@ -2,14 +2,13 @@
 es:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Panel sin nombre'
       label_unnamed_list: 'Lista sin nombre'
       label_board_type: 'Tipo de panel'
       upsale:
-        teaser_text: 'Mejore su administración de proyectos ágiles con esta vista flexible de paneles. Cree tantos paneles como prefiera para cualquier elemento del que quiera realizar un seguimiento.'
-        upgrade_to_ee_text: 'Los paneles son una característica de la versión Enterprise. Actualice a un plan de pago.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Actualizar ahora'
-        personal_demo: 'Contacte con nosotros para una demostración'
       lists:
         delete: 'Eliminar lista'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-et.yml b/modules/boards/config/locales/crowdin/js-et.yml
index 1454218f10..fc6af5d0e9 100644
--- a/modules/boards/config/locales/crowdin/js-et.yml
+++ b/modules/boards/config/locales/crowdin/js-et.yml
@@ -2,14 +2,13 @@
 et:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-fa.yml b/modules/boards/config/locales/crowdin/js-fa.yml
index 873d94e432..7515c552de 100644
--- a/modules/boards/config/locales/crowdin/js-fa.yml
+++ b/modules/boards/config/locales/crowdin/js-fa.yml
@@ -2,14 +2,13 @@
 fa:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'انجمن بدون نام'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'نوع انجمن'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'هم اکنون ارتقا داده شود'
-        personal_demo: 'جهت نسخه نمایشی با ما تماس بگیرید'
       lists:
         delete: 'حذف لیست'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-fi.yml b/modules/boards/config/locales/crowdin/js-fi.yml
index cf8c09a835..a153dfd3fe 100644
--- a/modules/boards/config/locales/crowdin/js-fi.yml
+++ b/modules/boards/config/locales/crowdin/js-fi.yml
@@ -2,14 +2,13 @@
 fi:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Nimeämätön taulu'
       label_unnamed_list: 'Nimeämätön lista'
       label_board_type: 'Taulun tyyppi'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Päivitä nyt'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-fil.yml b/modules/boards/config/locales/crowdin/js-fil.yml
index 07b15c5b9e..74dc7afb4f 100644
--- a/modules/boards/config/locales/crowdin/js-fil.yml
+++ b/modules/boards/config/locales/crowdin/js-fil.yml
@@ -2,14 +2,13 @@
 fil:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-fr.yml b/modules/boards/config/locales/crowdin/js-fr.yml
index 863126cfed..a32ea03500 100644
--- a/modules/boards/config/locales/crowdin/js-fr.yml
+++ b/modules/boards/config/locales/crowdin/js-fr.yml
@@ -2,14 +2,13 @@
 fr:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Tableau sans nom'
       label_unnamed_list: 'Liste sans nom'
       label_board_type: 'Type de tableau'
       upsale:
-        teaser_text: 'Améliorez votre gestion de projet agile avec cette vue des tableaux flexible. Créez autant de tableaux que vous voulez pour tout ce que vous souhaitez conserver.'
-        upgrade_to_ee_text: 'Les tableaux sont une fonctionnalité du plan Enterprise. Veuillez passer à un forfait payant.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Passer au plan supérieur'
-        personal_demo: 'Contactez-nous pour une démo'
       lists:
         delete: 'Supprimer la liste'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-he.yml b/modules/boards/config/locales/crowdin/js-he.yml
index 6ee29e9322..f1ade9e75b 100644
--- a/modules/boards/config/locales/crowdin/js-he.yml
+++ b/modules/boards/config/locales/crowdin/js-he.yml
@@ -2,14 +2,13 @@
 he:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-hi.yml b/modules/boards/config/locales/crowdin/js-hi.yml
index 08d2946e10..4fc25b56d4 100644
--- a/modules/boards/config/locales/crowdin/js-hi.yml
+++ b/modules/boards/config/locales/crowdin/js-hi.yml
@@ -2,14 +2,13 @@
 hi:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-hr.yml b/modules/boards/config/locales/crowdin/js-hr.yml
index e7b36241bb..8289367cdf 100644
--- a/modules/boards/config/locales/crowdin/js-hr.yml
+++ b/modules/boards/config/locales/crowdin/js-hr.yml
@@ -2,14 +2,13 @@
 hr:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-hu.yml b/modules/boards/config/locales/crowdin/js-hu.yml
index 2aee2d2cfa..d903aff9e2 100644
--- a/modules/boards/config/locales/crowdin/js-hu.yml
+++ b/modules/boards/config/locales/crowdin/js-hu.yml
@@ -2,14 +2,13 @@
 hu:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Névtelen tábla'
       label_unnamed_list: 'Névtelen lista'
       label_board_type: 'Tábla típus'
       upsale:
-        teaser_text: 'Javítsa az agilis projektmenedzsmentet ezzel a rugalmas táblák nézettel. Készítsen annyi táblát, amennyit csak akar, bármihez, amelyet nyomon követni szeretne.'
-        upgrade_to_ee_text: 'A táblák egy vállalati szolgáltatás. Kérjük, frissítsen Vállalati OpenProject licencre!'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Frissítés most'
-        personal_demo: 'Keressen fel minket a próbaverzióért'
       lists:
         delete: 'Törölt lista'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-id.yml b/modules/boards/config/locales/crowdin/js-id.yml
index 8eb4f5f6f9..91a289b903 100644
--- a/modules/boards/config/locales/crowdin/js-id.yml
+++ b/modules/boards/config/locales/crowdin/js-id.yml
@@ -2,14 +2,13 @@
 id:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Papan tanpa nama'
       label_unnamed_list: 'Daftar tanpa nama'
       label_board_type: 'Tipe papan'
       upsale:
-        teaser_text: 'Tingkatkan management proyek tangguh anda dengan Papan penglihatan yang fleksibel ini. Buat sebanyak yang anda inginkan untuk apapun yang ingin anda lacak.'
-        upgrade_to_ee_text: 'Papan hanya untuk fitur Enterprise. Dimohon untuk upgrade rencana pembayaran.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade sekarang'
-        personal_demo: 'Hubungi kami untuk demo'
       lists:
         delete: 'Hapus daftar'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-it.yml b/modules/boards/config/locales/crowdin/js-it.yml
index 1f54b66774..79d1c853c8 100644
--- a/modules/boards/config/locales/crowdin/js-it.yml
+++ b/modules/boards/config/locales/crowdin/js-it.yml
@@ -2,14 +2,13 @@
 it:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Scheda senza nome'
       label_unnamed_list: 'Lista senza nome'
       label_board_type: 'Tipo scheda'
       upsale:
-        teaser_text: 'Migliora la gestione agile del progetto con questa vista flessibile delle schede. Crea quante schede desideri per tutto ciò di cui vuoi tenere traccia.'
-        upgrade_to_ee_text: 'Le schede sono una funzione Enterprise. Aggiorna ad un piano a pagamento.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Aggiorna ora'
-        personal_demo: 'Contattaci per una demo'
       lists:
         delete: 'Elimina elenco'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-ja.yml b/modules/boards/config/locales/crowdin/js-ja.yml
index 277aad6c37..68e62e4036 100644
--- a/modules/boards/config/locales/crowdin/js-ja.yml
+++ b/modules/boards/config/locales/crowdin/js-ja.yml
@@ -2,14 +2,13 @@
 ja:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: '無題のボード'
       label_unnamed_list: '無題のリスト'
       label_board_type: 'ボードの形式'
       upsale:
-        teaser_text: 'この柔軟なボードビューでアジャイルプロジェクトの管理を向上させましょう。 あなたが追跡したいものを、好きなだけボードを作成してください。'
-        upgrade_to_ee_text: 'ボードはエンタープライズ機能です。 有料プランにアップグレードしてください。'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: '今すぐアップグレード'
-        personal_demo: 'デモについてはお問い合わせください'
       lists:
         delete: 'リストを削除'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-ko.yml b/modules/boards/config/locales/crowdin/js-ko.yml
index 99f2172210..c76233c08a 100644
--- a/modules/boards/config/locales/crowdin/js-ko.yml
+++ b/modules/boards/config/locales/crowdin/js-ko.yml
@@ -2,14 +2,13 @@
 ko:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: '명명되지 않은 보드'
       label_unnamed_list: '명명되지 않은 목록'
       label_board_type: '보드 유형'
       upsale:
-        teaser_text: '이 유연한 보드 보기에서 애자일 프로젝트 관리를 개선하십시오. 계속 추적하고 싶은 사항에 따라 원하는 만큼 보드를 생성하십시오.'
-        upgrade_to_ee_text: '보드는 Enterprise 기능입니다. 유료 플랜으로 업그레이드하십시오.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: '지금 업그레이드'
-        personal_demo: '저희에게 데모 요청하기'
       lists:
         delete: '목록 삭제'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-lol.yml b/modules/boards/config/locales/crowdin/js-lol.yml
index d47e6bfe04..ab4620168b 100644
--- a/modules/boards/config/locales/crowdin/js-lol.yml
+++ b/modules/boards/config/locales/crowdin/js-lol.yml
@@ -2,14 +2,13 @@
 lol:
   js:
     boards:
+      create_new: 'crwdns773054:0crwdne773054:0'
       label_unnamed_board: 'crwdns500205:0crwdne500205:0'
       label_unnamed_list: 'crwdns500207:0crwdne500207:0'
       label_board_type: 'crwdns500209:0crwdne500209:0'
       upsale:
-        teaser_text: 'crwdns500211:0crwdne500211:0'
-        upgrade_to_ee_text: 'crwdns500213:0crwdne500213:0'
+        teaser_text: 'crwdns807756:0crwdne807756:0'
         upgrade: 'crwdns500215:0crwdne500215:0'
-        personal_demo: 'crwdns500217:0crwdne500217:0'
       lists:
         delete: 'crwdns500219:0crwdne500219:0'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-lt.yml b/modules/boards/config/locales/crowdin/js-lt.yml
index c7347a3506..ad16d641ad 100644
--- a/modules/boards/config/locales/crowdin/js-lt.yml
+++ b/modules/boards/config/locales/crowdin/js-lt.yml
@@ -2,14 +2,13 @@
 lt:
   js:
     boards:
+      create_new: 'Nauja lenta'
       label_unnamed_board: 'Bevardė lenta'
       label_unnamed_list: 'Bevardis sąrašas'
       label_board_type: 'Lentos tipas'
       upsale:
-        teaser_text: 'Pagerinkite Agile projektų valdymą naudodami lanksčius Lentų vaizdus. Sukurkite tiek lentų, kiek norite, bet kokiems dalykams, kuriuos norite suvaldyti.'
-        upgrade_to_ee_text: 'Lentos yra Enterprise versijos galimybė. Prašome pereiti prie mokamo plano.'
+        teaser_text: 'Jums reikia iš anksto paruoštų lentos šablonų? Išmaniosios lentos yra Enterprise savybės. Prašome pasikeisti į mokamą planą.'
         upgrade: 'Užsisakykite dabar'
-        personal_demo: 'Susisiekite su mumis dėl demonstracijos'
       lists:
         delete: 'Pašalinti sąrašą'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-lv.yml b/modules/boards/config/locales/crowdin/js-lv.yml
index 8441bb24bc..ab745df920 100644
--- a/modules/boards/config/locales/crowdin/js-lv.yml
+++ b/modules/boards/config/locales/crowdin/js-lv.yml
@@ -2,14 +2,13 @@
 lv:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-ne.yml b/modules/boards/config/locales/crowdin/js-ne.yml
index 55af352963..3b424a3e4f 100644
--- a/modules/boards/config/locales/crowdin/js-ne.yml
+++ b/modules/boards/config/locales/crowdin/js-ne.yml
@@ -2,14 +2,13 @@
 ne:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-nl.yml b/modules/boards/config/locales/crowdin/js-nl.yml
index 0a87b35da4..bf67925660 100644
--- a/modules/boards/config/locales/crowdin/js-nl.yml
+++ b/modules/boards/config/locales/crowdin/js-nl.yml
@@ -2,14 +2,13 @@
 nl:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Naamloos bord'
       label_unnamed_list: 'Naamloze lijst'
       label_board_type: 'Type bord'
       upsale:
-        teaser_text: 'Verbeter uw agile projectbeheer met deze flexibele Bord weergave. Creëer zoveel borden als je wilt voor alles waar je een oogje op wilt houden.'
-        upgrade_to_ee_text: 'Boards is een Enterprise-functie. Upgrade a.u.b. naar een betaald abonnement.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade nu'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Lijst verwijderen'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-no.yml b/modules/boards/config/locales/crowdin/js-no.yml
index 6ef3bdc2b6..82aebfbaa2 100644
--- a/modules/boards/config/locales/crowdin/js-no.yml
+++ b/modules/boards/config/locales/crowdin/js-no.yml
@@ -2,14 +2,13 @@
 "no":
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Tavle type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-pl.yml b/modules/boards/config/locales/crowdin/js-pl.yml
index ab5cc1e390..8bb443084a 100644
--- a/modules/boards/config/locales/crowdin/js-pl.yml
+++ b/modules/boards/config/locales/crowdin/js-pl.yml
@@ -2,14 +2,13 @@
 pl:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Tablica bez nazwy'
       label_unnamed_list: 'Lista bez nazwy'
       label_board_type: 'Typ tablicy'
       upsale:
-        teaser_text: 'Usprawnij swoje zwinne zarządzanie projektami dzięki temu elastycznemu widokowi Tablice. Twórz tyle tablic, ile chcesz, dla czegokolwiek, co zechcesz śledzić.'
-        upgrade_to_ee_text: 'Tablice to funkcja wersji Enterprise. Przejdź na plan płatny.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Zmień plan teraz'
-        personal_demo: 'Skontaktuj się z nami, aby uzyskać demo'
       lists:
         delete: 'Usuń listę'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-pt.yml b/modules/boards/config/locales/crowdin/js-pt.yml
index d4c2730aee..f70e645f8d 100644
--- a/modules/boards/config/locales/crowdin/js-pt.yml
+++ b/modules/boards/config/locales/crowdin/js-pt.yml
@@ -2,14 +2,13 @@
 pt:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Quadro sem nome'
       label_unnamed_list: 'Lista sem nome'
       label_board_type: 'Tipo de quadro'
       upsale:
-        teaser_text: 'Melhore seu gerenciamento de projetos ágil com esta visão flexível de quadros. Crie tantos quadros quanto quiser, para qualquer coisa que você gostaria de manter o controle.'
-        upgrade_to_ee_text: 'Quadros são um recurso Enterprise. Por favor, atualize para um plano pago.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Atualizar agora'
-        personal_demo: 'Contate-nos para uma demonstração'
       lists:
         delete: 'Excluir lista'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-ro.yml b/modules/boards/config/locales/crowdin/js-ro.yml
index 4e7f9d8c0a..70e819ed15 100644
--- a/modules/boards/config/locales/crowdin/js-ro.yml
+++ b/modules/boards/config/locales/crowdin/js-ro.yml
@@ -2,14 +2,13 @@
 ro:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Consiliul de administrație fără nume'
       label_unnamed_list: 'Listă fără nume'
       label_board_type: 'Tipul de placă'
       upsale:
-        teaser_text: 'Îmbunătățiți gestionarea agilă a proiectelor cu această vizualizare flexibilă a planșelor. Creați oricâte panouri doriți pentru orice lucru pe care doriți să îl urmăriți.'
-        upgrade_to_ee_text: 'Boards este o caracteristică Enterprise. Vă rugăm să treceți la un plan cu plată.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Actualizează acum'
-        personal_demo: 'Contactați-ne pentru o demonstrație'
       lists:
         delete: 'Ștergeți lista'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-ru.yml b/modules/boards/config/locales/crowdin/js-ru.yml
index 7d5aa6a6ae..6828aefd15 100644
--- a/modules/boards/config/locales/crowdin/js-ru.yml
+++ b/modules/boards/config/locales/crowdin/js-ru.yml
@@ -2,14 +2,13 @@
 ru:
   js:
     boards:
+      create_new: 'Создать новую доску'
       label_unnamed_board: 'Безымянная доска'
       label_unnamed_list: 'Список досок без имени'
       label_board_type: 'Тип доски'
       upsale:
-        teaser_text: 'Улучшите управляемость agile-проекта гибким просмотром досок. Создайте сколько захотите досок для отслеживания.'
-        upgrade_to_ee_text: 'Boards это функционал предприятия. Пожалуйста, обновитесь до платного плана.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Обновить сейчас'
-        personal_demo: 'Свяжитесь с нами для демо'
       lists:
         delete: 'Удалить список'
       version:
@@ -21,7 +20,7 @@ ru:
         unlock_version: 'Разблокировать спринт'
         edit_version: 'Изменить версию'
         show_version: 'Показать спринт'
-        locked: 'Заперто'
+        locked: 'Заблокировано'
         closed: 'закрыто'
       new_board: 'Новая доска'
       add_list: 'Добавить список в форум'
@@ -60,8 +59,8 @@ ru:
           subtasks: родитель-потомок
         board_type_title:
           assignee: Назначенный
-          status: Состояние
-          version: Спринт
+          status: Статус
+          version: Версия
           subproject: Подпроект
           subtasks: Родитель-Потомок
           basic: Базовый
diff --git a/modules/boards/config/locales/crowdin/js-rw.yml b/modules/boards/config/locales/crowdin/js-rw.yml
index 59c1c3e809..d4670d858a 100644
--- a/modules/boards/config/locales/crowdin/js-rw.yml
+++ b/modules/boards/config/locales/crowdin/js-rw.yml
@@ -2,14 +2,13 @@
 rw:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-si.yml b/modules/boards/config/locales/crowdin/js-si.yml
index 9d6246ade0..6101fb22b8 100644
--- a/modules/boards/config/locales/crowdin/js-si.yml
+++ b/modules/boards/config/locales/crowdin/js-si.yml
@@ -2,14 +2,13 @@
 si:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-sk.yml b/modules/boards/config/locales/crowdin/js-sk.yml
index 7b5337e4f3..ae97b7f2e9 100644
--- a/modules/boards/config/locales/crowdin/js-sk.yml
+++ b/modules/boards/config/locales/crowdin/js-sk.yml
@@ -2,14 +2,13 @@
 sk:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Prejdite na vyššiu verziu'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Vymazať zoznam'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-sl.yml b/modules/boards/config/locales/crowdin/js-sl.yml
index f0efb5ebf4..2461aa41c2 100644
--- a/modules/boards/config/locales/crowdin/js-sl.yml
+++ b/modules/boards/config/locales/crowdin/js-sl.yml
@@ -2,14 +2,13 @@
 sl:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Neimenovana tabla'
       label_unnamed_list: 'Neimenovani seznam'
       label_board_type: 'Vrsta table'
       upsale:
-        teaser_text: 'Izboljšaj svoje agilne metode projektnega vodenja s temi fleksibilnimi pogledi. Ustvariš lahko kolikor tabel želiš za pregled nad vsem kar želiš.'
-        upgrade_to_ee_text: 'Table so funkcija za podjetja. Nadgradite na plačljivi načrt.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Nadgradi zdaj'
-        personal_demo: 'Kontaktirajte nas za poskusno različico'
       lists:
         delete: 'Izbriši seznam'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-sv.yml b/modules/boards/config/locales/crowdin/js-sv.yml
index 816322baab..c339707513 100644
--- a/modules/boards/config/locales/crowdin/js-sv.yml
+++ b/modules/boards/config/locales/crowdin/js-sv.yml
@@ -2,14 +2,13 @@
 sv:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Namnlös tavla'
       label_unnamed_list: 'Namnlös lista'
       label_board_type: 'Typ av tavla'
       upsale:
-        teaser_text: 'Förbättra din agila projektledning med denna flexibla styrelsevy. Skapa så många tavlor som du vill för allt du vill hålla reda på.'
-        upgrade_to_ee_text: 'Tavlor är en Enterprise funktion. Vänligen uppgradera till en betald plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Uppgradera nu'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Ta bort lista'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-th.yml b/modules/boards/config/locales/crowdin/js-th.yml
index 2be8560897..3aaacd2d0e 100644
--- a/modules/boards/config/locales/crowdin/js-th.yml
+++ b/modules/boards/config/locales/crowdin/js-th.yml
@@ -2,14 +2,13 @@
 th:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'ติดต่อเราสำหรับการสาธิต'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-tr.yml b/modules/boards/config/locales/crowdin/js-tr.yml
index a948c825b7..26a08f136c 100644
--- a/modules/boards/config/locales/crowdin/js-tr.yml
+++ b/modules/boards/config/locales/crowdin/js-tr.yml
@@ -2,14 +2,13 @@
 tr:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Adsız tahta'
       label_unnamed_list: 'Adsız liste'
       label_board_type: 'Yazı tahtası tipi'
       upsale:
-        teaser_text: 'Çevik proje yönetiminizi bu esnek Panolar görünümü ile geliştirin. İzlemek istediğiniz herhangi bir şey için istediğiniz kadar pano oluşturun.'
-        upgrade_to_ee_text: 'Kurulları bir Enterprise özelliğidir. Lütfen ücretli bir plana geçin.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Şimdi Yükselt'
-        personal_demo: 'Demo için bizimle iletişime geçin'
       lists:
         delete: 'Listeyi silin'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-uk.yml b/modules/boards/config/locales/crowdin/js-uk.yml
index 4e1c51fb49..91eced9742 100644
--- a/modules/boards/config/locales/crowdin/js-uk.yml
+++ b/modules/boards/config/locales/crowdin/js-uk.yml
@@ -2,14 +2,13 @@
 uk:
   js:
     boards:
+      create_new: 'Створити дошку'
       label_unnamed_board: 'Дошка без назви'
       label_unnamed_list: 'Список без назви'
       label_board_type: 'Тип дошки'
       upsale:
-        teaser_text: 'Покращуйте ваш agile проект менеджмент з допомогою гнучких дощок. Створюйте стільки дошок, скільки потрібно для зручного відстеження виконання проекту'
-        upgrade_to_ee_text: 'Дошки є корпоративною функцією. Будь ласка, оновіть свій пакет до платного.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Купити зараз'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Вилучити список'
       version:
@@ -24,62 +23,62 @@ uk:
         locked: 'Заблоковано'
         closed: 'Зачинено'
       new_board: 'Нова дошка'
-      add_list: 'Add list to board'
+      add_list: 'Додати список на дошку'
       add_card: 'Додати картку'
       error_attribute_not_writable: "Неможливо перемістити робочий пакет, %{attribute} недоступний для запису."
       error_loading_the_list: "Помилка завантаження списку: %{error_message}"
       error_permission_missing: "Немає дозволу на створення загальнодоступних запитів"
-      error_cannot_move_into_self: "You can not move a work package into its own column."
+      error_cannot_move_into_self: "Ви не можете перемістити пакет робіт у його власний стовпець."
       text_hidden_list_warning: "Відображаються не усі списки, тому що у вас недостатню прав. Зверніться до свого адміністратора за більш детальною інформацією. "
       click_to_remove_list: "Натисніть, щоб видалити список"
       board_type:
         text: 'Тип дошки'
-        free: 'basic'
-        select_board_type: 'Please choose the type of board you need.'
+        free: 'базовий'
+        select_board_type: 'Виберіть необхідний тип дошки.'
         free_text: >
-          Start from scratch with a blank board. Manually add cards and columns to this board.
+          Почніть із нуля на пустій дошці. Додавайте вручну картки й стовпці на цю дошку.
         action: 'Дошка дій'
         action_by_attribute: 'Дошка дій (%{attribute})'
         action_text: >
-          A board with filtered lists on %{attribute} attribute. Moving work packages to other lists will update their attribute.
+          Дошка з фільтрованими списками за атрибутом %{attribute}. Переміщення пакетів робіт в інші списки оновить відповідні атрибути.
         action_text_subprojects: >
-          Board with automated columns for subprojects. Dragging work packages to other lists updates the (sub-)project accordingly.
+          Дошка з автоматизованими стовпцями для підпроєктів. Перетягування пакетів робіт в інші списки відповідно оновлює (під-)проєкти.
         action_text_subtasks: >
-          Board with automated columns for sub-elements. Dragging work packages to other lists updates the parent accordingly.
+          Дошка з автоматизованими стовпцями для піделементів. Перетягування пакетів робіт в інші списки відповідно оновлює батьківський проєкт.
         action_text_status: >
-          Basic kanban style board with columns for status such as To Do, In Progress, Done.
+          Базова дошка в стилі «Канбан» зі стовпцями для статусу, наприклад «Виконати», «Виконується», «Завершено».
         action_text_assignee: >
-          Board with automated columns based on assigned users. Ideal for dispatching work packages.
+          Дошка з автоматизованими стовпцями, створеними на основі призначених користувачів. Ідеальне рішення для перетягування пакетів робіт.
         action_text_version: >
-          Board with automated columns based on the version attribute. Ideal for planning product development.
+          Дошка з автоматизованими стовпцями, створеними на основі атрибутів версії. Ідеальне рішення для планування розробки продукту.
         action_type:
-          assignee: assignee
-          status: status
-          version: version
-          subproject: subproject
-          subtasks: parent-child
+          assignee: виконавець
+          status: статус
+          version: версія
+          subproject: підпроєкт
+          subtasks: батьківський-дочірній
         board_type_title:
           assignee: Призначений
           status: Статус
           version: Версія
           subproject: Підпроект
-          subtasks: Parent-Child
-          basic: Basic
+          subtasks: Батьківський-Дочірній
+          basic: Базовий
         select_attribute: "Атрибут дії"
       add_list_modal:
         labels:
-          assignee: Select user to add as a new assignee list
-          status: Select status to add as a new list
-          version: Select version to add as a new list
-          subproject: Select subproject to add as a new list
-          subtasks: Select work package to add as a new list
+          assignee: Виберіть користувача, якого потрібно додати як новий список виконавців
+          status: Виберіть статус, який потрібно додати як новий список
+          version: Виберіть версію, яку потрібно додати як новий список
+          subproject: Виберіть підпроєкт, який потрібно додати як новий список
+          subtasks: Виберіть пакет робіт, який потрібно додати як новий список
         warning:
           status: |
-            There is currently no status available. <br>
-            Either there are none or they have all already been added to the board.
-          assignee: There isn't any member matched with your filter value.  <br>
-          no_member: This project currently does not have any members that can be added.  <br>
-          add_members: <a href="%{link}">Add a new member to this project</a> to select users again.
+            Зараз немає жодного доступного статусу. <br>
+            Або їх не існує, або всі вже додано на дошку.
+          assignee: З вашим значенням фільтра не можна зіставити жодного учасника. <br>
+          no_member: Цей проєкт зараз не містить жодних учасників, яких можна додати. <br>
+          add_members: <a href="%{link}">Додайте нового учасника до цього проєкту</a>, щоб знову вибрати користувачів.
       configuration_modal:
         title: 'Налаштувати цю дошку'
         display_settings:
diff --git a/modules/boards/config/locales/crowdin/js-vi.yml b/modules/boards/config/locales/crowdin/js-vi.yml
index deb426969c..c88ccec0a7 100644
--- a/modules/boards/config/locales/crowdin/js-vi.yml
+++ b/modules/boards/config/locales/crowdin/js-vi.yml
@@ -2,14 +2,13 @@
 vi:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Bảng không tên'
       label_unnamed_list: 'Danh sách không tên'
       label_board_type: 'Kiểu bảng'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Nâng cấp ngay'
-        personal_demo: 'Liên hệ với chúng tôi để yêu cầu một bản demo'
       lists:
         delete: 'Xoá danh sách'
       version:
diff --git a/modules/boards/config/locales/crowdin/js-zh-TW.yml b/modules/boards/config/locales/crowdin/js-zh-TW.yml
index c791f3cfdf..0a232a4881 100644
--- a/modules/boards/config/locales/crowdin/js-zh-TW.yml
+++ b/modules/boards/config/locales/crowdin/js-zh-TW.yml
@@ -2,14 +2,13 @@
 zh-TW:
   js:
     boards:
+      create_new: 'New board'
       label_unnamed_board: 'Unnamed board'
       label_unnamed_list: 'Unnamed list'
       label_board_type: 'Board type'
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
       version:
diff --git a/modules/boards/config/locales/js-en.yml b/modules/boards/config/locales/js-en.yml
index 2077677297..1ea7f41067 100644
--- a/modules/boards/config/locales/js-en.yml
+++ b/modules/boards/config/locales/js-en.yml
@@ -8,10 +8,8 @@ en:
       label_board_type: 'Board type'
 
       upsale:
-        teaser_text: 'Improve your agile project management with this flexible Boards view. Create as many boards as you like for anything you would like to keep track of.'
-        upgrade_to_ee_text: 'Boards is an Enterprise feature. Please upgrade to a paid plan.'
+        teaser_text: 'Need a predefined board template? Advanced boards are Enterprise features. Please upgrade to a paid plan.'
         upgrade: 'Upgrade now'
-        personal_demo: 'Contact us for a demo'
       lists:
         delete: 'Delete list'
 
diff --git a/modules/boards/openproject-boards.gemspec b/modules/boards/openproject-boards.gemspec
index 804b06cfb6..25effd3bff 100644
--- a/modules/boards/openproject-boards.gemspec
+++ b/modules/boards/openproject-boards.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = 'openproject-boards'
   s.version     = '1.0.0'
diff --git a/modules/boards/spec/contracts/grids/create_contract_spec.rb b/modules/boards/spec/contracts/grids/create_contract_spec.rb
index d1b27d707c..df651c035b 100644
--- a/modules/boards/spec/contracts/grids/create_contract_spec.rb
+++ b/modules/boards/spec/contracts/grids/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/boards/spec/factories/board_factory.rb b/modules/boards/spec/factories/board_factory.rb
index 8feb351fe8..eba1d13796 100644
--- a/modules/boards/spec/factories/board_factory.rb
+++ b/modules/boards/spec/factories/board_factory.rb
@@ -76,7 +76,7 @@ FactoryBot.define do
       projects_columns { [create(:project)] }
     end
 
-    callback(:after_build) do |board, evaluator| # this is also done after :create
+    callback(:after_create) do |board, evaluator| # this is also done after :create
       evaluator.projects_columns.each do |project|
 
         query = Query.new_default(name: project.name, project: board.project, public: true).tap do |q|
@@ -87,7 +87,6 @@ FactoryBot.define do
 
         filters = [{ "onlySubproject" => { "operator" => "=", "values" => [project.id.to_s] } }]
 
-        board.options = { 'type' => 'action', 'attribute' => 'subproject' }
         board.widgets << create(:grid_widget,
                                 identifier: 'work_package_query',
                                 start_row: 1,
@@ -97,6 +96,9 @@ FactoryBot.define do
                                 options: { 'queryId' => query.id,
                                            'filters' => filters })
       end
+
+      board.options = { 'type' => 'action', 'attribute' => 'subproject' }
+      board.save!
     end
   end
 end
diff --git a/modules/boards/spec/features/action_boards/assignee_board_spec.rb b/modules/boards/spec/features/action_boards/assignee_board_spec.rb
index dc4d1944c0..144c739c7e 100644
--- a/modules/boards/spec/features/action_boards/assignee_board_spec.rb
+++ b/modules/boards/spec/features/action_boards/assignee_board_spec.rb
@@ -51,7 +51,7 @@ describe 'Assignee action board',
 
   let(:permissions) do
     %i[show_board_views manage_board_views add_work_packages
-       edit_work_packages view_work_packages manage_public_queries]
+       edit_work_packages view_work_packages manage_public_queries work_package_assigned]
   end
 
   let!(:priority) { create :default_priority }
diff --git a/modules/boards/spec/features/board_enterprise_spec.rb b/modules/boards/spec/features/board_enterprise_spec.rb
new file mode 100644
index 0000000000..aa62e2ee93
--- /dev/null
+++ b/modules/boards/spec/features/board_enterprise_spec.rb
@@ -0,0 +1,107 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2022 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+require 'spec_helper'
+require_relative './support/board_index_page'
+require_relative './support/board_page'
+
+describe 'Boards enterprise spec', type: :feature, js: true do
+  shared_let(:admin) { create(:admin) }
+
+  shared_let(:project) { create(:project, enabled_module_names: %i[work_package_tracking board_view]) }
+  shared_let(:priority) { create :default_priority }
+  shared_let(:status) { create :default_status }
+
+  let(:board_index) { Pages::BoardIndex.new(project) }
+
+  shared_let(:manual_board) { create :board_grid_with_query, name: 'My board', project: project }
+  shared_let(:action_board) do
+    create(:subproject_board,
+           name: 'Subproject board',
+           project: project,
+           projects_columns: [])
+  end
+
+  context 'when EE inactive' do
+    before do
+      login_as(admin)
+      board_index.visit!
+    end
+
+    it 'disabled all action boards' do
+      page.find('.toolbar-item a', text: I18n.t('js.button_create')).click
+
+      expect(page).to have_selector('[data-qa-selector="op-tile-block"]:not([disabled])', text: 'Basic')
+      expect(page).to have_selector('[data-qa-selector="op-tile-block"]:disabled', count: 5)
+    end
+
+    it 'shows a banner on the action board' do
+      # Expect both existing boards to show
+      expect(page).to have_content 'My board'
+      expect(page).to have_content 'Subproject board'
+
+      board_page = board_index.open_board(manual_board)
+      board_page.expect_query 'My board'
+      expect(page).to have_no_selector '[data-qa-selector="op-enterprise-banner"]'
+
+      board_index.visit!
+      board_page = board_index.open_board(action_board)
+      board_page.expect_query 'Subproject board'
+      expect(page).to have_selector '[data-qa-selector="op-enterprise-banner"]'
+    end
+  end
+
+  context 'when EE active' do
+    before do
+      with_enterprise_token :board_view
+      login_as(admin)
+      board_index.visit!
+    end
+
+    it 'enables all options' do
+      page.find('.toolbar-item a', text: I18n.t('js.button_create')).click
+
+      expect(page).to have_selector('[data-qa-selector="op-tile-block"]:not([disabled])', count: 6)
+    end
+
+    it 'shows the action board' do
+      # Expect both existing boards to show
+      expect(page).to have_content 'My board'
+      expect(page).to have_content 'Subproject board'
+
+      board_page = board_index.open_board(manual_board)
+      board_page.expect_query 'My board'
+      expect(page).to have_no_selector '[data-qa-selector="op-enterprise-banner"]'
+
+      board_index.visit!
+      board_page = board_index.open_board(action_board)
+      board_page.expect_query 'Subproject board'
+      expect(page).to have_no_selector '[data-qa-selector="op-enterprise-banner"]'
+    end
+  end
+end
diff --git a/modules/boards/spec/features/onboarding/boards_onboarding_tour_spec.rb b/modules/boards/spec/features/onboarding/boards_onboarding_tour_spec.rb
index 26d6421dc6..4d0fdd044f 100644
--- a/modules/boards/spec/features/onboarding/boards_onboarding_tour_spec.rb
+++ b/modules/boards/spec/features/onboarding/boards_onboarding_tour_spec.rb
@@ -66,12 +66,12 @@ describe 'boards onboarding tour', js: true do
   let!(:wp_2) { create(:work_package, project: scrum_project) }
 
   let!(:demo_board_view) { create :board_grid_with_query, project: demo_project, name: 'Kanban', query: query }
+  let!(:demo_basic_board_view) { create :board_grid_with_query, project: demo_project, name: 'Basic board', query: query }
   let!(:scrum_board_view) { create :board_grid_with_query, project: scrum_project, name: 'Kanban', query: query }
+  let!(:scrum_basic_board_view) { create :board_grid_with_query, project: scrum_project, name: 'Task board', query: query }
   let(:query) { create :query, user: user, project: demo_project }
 
   before do
-    with_enterprise_token :board_view
-    login_as user
     ::OrderedWorkPackage.create(query: query, work_package: wp_1, position: 0)
     allow(Setting).to receive(:demo_projects_available).and_return(true)
     allow(Setting).to receive(:boards_demo_data_available).and_return(true)
@@ -83,29 +83,67 @@ describe 'boards onboarding tour', js: true do
   end
 
   context 'as a new user' do
-    it 'I see the board onboarding tour in the demo project' do
-      # Set the tour parameter so that we can start on the wp page
-      visit "/projects/#{demo_project.identifier}/work_packages?start_onboarding_tour=true"
+    context 'with an EE token' do
+      before do
+        with_enterprise_token :board_view
+        login_as user
+      end
 
-      step_through_onboarding_wp_tour demo_project, wp_1
+      it 'I see the board onboarding tour in the demo project' do
+        # Set the tour parameter so that we can start on the wp page
+        visit "/projects/#{demo_project.identifier}/work_packages?start_onboarding_tour=true"
 
-      step_through_onboarding_board_tour
+        step_through_onboarding_wp_tour demo_project, wp_1
 
-      step_through_onboarding_main_menu_tour has_full_capabilities: true
+        step_through_onboarding_board_tour
+
+        step_through_onboarding_main_menu_tour has_full_capabilities: true
+      end
+
+      it "I see the board onboarding tour in the scrum project" do
+        # Set sessionStorage value so that the tour knows that it is in the scum tour
+        page.execute_script("window.sessionStorage.setItem('openProject-onboardingTour', 'startMainTourFromBacklogs');")
+
+        # Set the tour parameter so that we can start on the wp page
+        visit "/projects/#{scrum_project.identifier}/work_packages?start_onboarding_tour=true"
+
+        step_through_onboarding_wp_tour scrum_project, wp_2
+
+        step_through_onboarding_board_tour
+
+        step_through_onboarding_main_menu_tour has_full_capabilities: true
+      end
     end
 
-    it "I see the board onboarding tour in the scrum project" do
-      # Set sessionStorage value so that the tour knows that it is in the scum tour
-      page.execute_script("window.sessionStorage.setItem('openProject-onboardingTour', 'startMainTourFromBacklogs');")
+    context 'without an EE token' do
+      before do
+        login_as user
+      end
+
+      it 'I see the board onboarding tour in the demo project' do
+        # Set the tour parameter so that we can start on the wp page
+        visit "/projects/#{demo_project.identifier}/work_packages?start_onboarding_tour=true"
+
+        step_through_onboarding_wp_tour demo_project, wp_1
+
+        step_through_onboarding_board_tour with_ee_token: false
+
+        step_through_onboarding_main_menu_tour has_full_capabilities: true
+      end
+
+      it "I see the board onboarding tour in the scrum project" do
+        # Set sessionStorage value so that the tour knows that it is in the scum tour
+        page.execute_script("window.sessionStorage.setItem('openProject-onboardingTour', 'startMainTourFromBacklogs');")
 
-      # Set the tour parameter so that we can start on the wp page
-      visit "/projects/#{scrum_project.identifier}/work_packages?start_onboarding_tour=true"
+        # Set the tour parameter so that we can start on the wp page
+        visit "/projects/#{scrum_project.identifier}/work_packages?start_onboarding_tour=true"
 
-      step_through_onboarding_wp_tour scrum_project, wp_2
+        step_through_onboarding_wp_tour scrum_project, wp_2
 
-      step_through_onboarding_board_tour
+        step_through_onboarding_board_tour with_ee_token: false
 
-      step_through_onboarding_main_menu_tour has_full_capabilities: true
+        step_through_onboarding_main_menu_tour has_full_capabilities: true
+      end
     end
   end
 end
diff --git a/modules/boards/spec/features/support/board_index_page.rb b/modules/boards/spec/features/support/board_index_page.rb
index a82eac6b61..130991d5f5 100644
--- a/modules/boards/spec/features/support/board_index_page.rb
+++ b/modules/boards/spec/features/support/board_index_page.rb
@@ -59,11 +59,8 @@ module Pages
     def create_board(action: nil, expect_empty: false)
       page.find('.toolbar-item a', text: I18n.t('js.button_create')).click
 
-      if action == nil
-        find('.tile-block-title', text: 'Basic').click
-      else
-        find('.tile-block-title', text: action.to_s[0..5]).click
-      end
+      text = action == nil ? 'Basic' : action.to_s[0..5]
+      find('[data-qa-selector="op-tile-block-title"]', text: text).click
 
       if expect_empty
         expect(page).to have_selector('.boards-list--add-item-text', wait: 10)
diff --git a/modules/boards/spec/features/support/onboarding_steps.rb b/modules/boards/spec/features/support/onboarding_steps.rb
index f2440fe40d..77ddf79ad2 100644
--- a/modules/boards/spec/features/support/onboarding_steps.rb
+++ b/modules/boards/spec/features/support/onboarding_steps.rb
@@ -27,13 +27,18 @@
 #++
 
 module OnboardingSteps
-  def step_through_onboarding_board_tour
+  def step_through_onboarding_board_tour(with_ee_token: true)
     next_button.click
     expect(page).to have_text sanitize_string(I18n.t('js.onboarding.steps.boards.overview')), normalize_ws: true
 
     next_button.click
-    expect(page)
-      .to have_text sanitize_string(I18n.t('js.onboarding.steps.boards.lists')), normalize_ws: true
+    if with_ee_token
+      expect(page)
+        .to have_text sanitize_string(I18n.t('js.onboarding.steps.boards.lists_kanban')), normalize_ws: true
+    else
+      expect(page)
+        .to have_text sanitize_string(I18n.t('js.onboarding.steps.boards.lists_basic')), normalize_ws: true
+    end
 
     next_button.click
     expect(page).to have_text sanitize_string(I18n.t('js.onboarding.steps.boards.add')), normalize_ws: true
diff --git a/modules/boards/spec/services/copy_service_integration_spec.rb b/modules/boards/spec/services/copy_service_integration_spec.rb
index 39dcfa2474..d6619e4897 100644
--- a/modules/boards/spec/services/copy_service_integration_spec.rb
+++ b/modules/boards/spec/services/copy_service_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/app/contracts/budgets/base_contract.rb b/modules/budgets/app/contracts/budgets/base_contract.rb
index 79d61d20c7..aee5272585 100644
--- a/modules/budgets/app/contracts/budgets/base_contract.rb
+++ b/modules/budgets/app/contracts/budgets/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/app/contracts/budgets/create_contract.rb b/modules/budgets/app/contracts/budgets/create_contract.rb
index dbd128695e..4220ed3270 100644
--- a/modules/budgets/app/contracts/budgets/create_contract.rb
+++ b/modules/budgets/app/contracts/budgets/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/app/contracts/budgets/update_contract.rb b/modules/budgets/app/contracts/budgets/update_contract.rb
index 20db5c464a..d38fccf419 100644
--- a/modules/budgets/app/contracts/budgets/update_contract.rb
+++ b/modules/budgets/app/contracts/budgets/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/app/services/budgets/set_attributes_service.rb b/modules/budgets/app/services/budgets/set_attributes_service.rb
index 96207f6f58..3c7fdb78bd 100644
--- a/modules/budgets/app/services/budgets/set_attributes_service.rb
+++ b/modules/budgets/app/services/budgets/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/app/services/budgets/update_service.rb b/modules/budgets/app/services/budgets/update_service.rb
index d9cfbdd0f2..3d25a33204 100644
--- a/modules/budgets/app/services/budgets/update_service.rb
+++ b/modules/budgets/app/services/budgets/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/budgets.gemspec b/modules/budgets/budgets.gemspec
index 146fa6eeaa..2e1e1ff156 100644
--- a/modules/budgets/budgets.gemspec
+++ b/modules/budgets/budgets.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "budgets"
   s.version     = '1.0.0'
diff --git a/modules/budgets/config/locales/crowdin/uk.yml b/modules/budgets/config/locales/crowdin/uk.yml
index b725d40437..28677744f1 100644
--- a/modules/budgets/config/locales/crowdin/uk.yml
+++ b/modules/budgets/config/locales/crowdin/uk.yml
@@ -60,7 +60,7 @@ uk:
   label_budget_plural: "Бюджети"
   label_budget_id: "Бюджет  #%{id}"
   label_deliverable: "Бюджет"
-  label_example_placeholder: 'e.g., %{decimal}'
+  label_example_placeholder: 'наприклад, %{decimal}'
   label_view_all_budgets: "Переглянути всі бюджети"
   label_yes: "Так"
   notice_budget_conflict: "Робочі пакети повинні бути одного проекту."
@@ -68,6 +68,6 @@ uk:
   permission_edit_budgets: "Редагувати бюджети"
   permission_view_budgets: "Переглянути бюджети"
   project_module_budgets: "Бюджети"
-  text_budget_reassign_to: "Reassign them to this budget:"
-  text_budget_delete: "Delete the budget from all work packages"
-  text_budget_destroy_assigned_wp: "There are %{count} work packages assigned to this budget. What do you want to do?"
+  text_budget_reassign_to: "Перепризначити їх для цього бюджету:"
+  text_budget_delete: "Видалити цей бюджет з усіх пакетів робіт"
+  text_budget_destroy_assigned_wp: "Цьому бюджету призначено кілька (%{count}) пакетів робіт. Що потрібно зробити?"
diff --git a/modules/budgets/config/routes.rb b/modules/budgets/config/routes.rb
index 493efd99ee..c354d09df6 100644
--- a/modules/budgets/config/routes.rb
+++ b/modules/budgets/config/routes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/db/migrate/20200807083950_keep_enabled_module.rb b/modules/budgets/db/migrate/20200807083950_keep_enabled_module.rb
index 60b3651182..254ffe544d 100644
--- a/modules/budgets/db/migrate/20200807083950_keep_enabled_module.rb
+++ b/modules/budgets/db/migrate/20200807083950_keep_enabled_module.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/lib/api/v3/budgets/budget_collection_representer.rb b/modules/budgets/lib/api/v3/budgets/budget_collection_representer.rb
index fe9173306d..682cb59fc7 100644
--- a/modules/budgets/lib/api/v3/budgets/budget_collection_representer.rb
+++ b/modules/budgets/lib/api/v3/budgets/budget_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/lib/api/v3/budgets/budgets_api.rb b/modules/budgets/lib/api/v3/budgets/budgets_api.rb
index d7f7db76d0..d446d0d19a 100644
--- a/modules/budgets/lib/api/v3/budgets/budgets_api.rb
+++ b/modules/budgets/lib/api/v3/budgets/budgets_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/lib/api/v3/budgets/budgets_by_project_api.rb b/modules/budgets/lib/api/v3/budgets/budgets_by_project_api.rb
index 43d110f37e..42942f8d9d 100644
--- a/modules/budgets/lib/api/v3/budgets/budgets_by_project_api.rb
+++ b/modules/budgets/lib/api/v3/budgets/budgets_by_project_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/lib/budgets/engine.rb b/modules/budgets/lib/budgets/engine.rb
index 86798d3ddb..9e5dcd24d1 100644
--- a/modules/budgets/lib/budgets/engine.rb
+++ b/modules/budgets/lib/budgets/engine.rb
@@ -42,17 +42,15 @@ module Budgets
       mount ::API::V3::Budgets::BudgetsByProjectAPI
     end
 
-    initializer 'budgets.register_latest_project_activity' do
-      Project.register_latest_project_activity on: 'Budget',
-                                               attribute: :updated_at
-    end
-
     initializer 'budgets.register_hooks' do
       # TODO: avoid hooks as this is part of the core now
       require 'budgets/hooks/work_package_hook'
     end
 
     config.to_prepare do
+      Project.register_latest_project_activity on: 'Budget',
+                                               attribute: :updated_at
+
       # Add to the budget to the costs group
       ::Type.add_default_mapping(:costs, :budget)
 
@@ -60,7 +58,9 @@ module Budgets
         project.nil? || project.module_enabled?(:budgets)
       }
 
-      Queries::Register.filter Query, Queries::WorkPackages::Filter::BudgetFilter
+      ::Queries::Register.register(::Query) do
+        filter Queries::WorkPackages::Filter::BudgetFilter
+      end
     end
   end
 end
diff --git a/modules/budgets/spec/features/budgets/add_budget_spec.rb b/modules/budgets/spec/features/budgets/add_budget_spec.rb
index d7bf565461..1cfdda3bc3 100644
--- a/modules/budgets/spec/features/budgets/add_budget_spec.rb
+++ b/modules/budgets/spec/features/budgets/add_budget_spec.rb
@@ -97,7 +97,7 @@ describe 'adding a new budget', type: :feature, js: true do
     let(:new_budget_page) { Pages::NewBudget.new project.identifier }
     let(:budget_page) { Pages::EditBudget.new Budget.last }
 
-    let(:project_members) { { user => create(:role) } }
+    let(:project_members) { { user => create(:role, permissions: %i[work_package_assigned]) } }
 
     before do
       create :cost_rate, cost_type: cost_type, rate: 50.0
diff --git a/modules/budgets/spec/features/budgets/attachment_upload_spec.rb b/modules/budgets/spec/features/budgets/attachment_upload_spec.rb
index 153d392dea..a795c3ffe5 100644
--- a/modules/budgets/spec/features/budgets/attachment_upload_spec.rb
+++ b/modules/budgets/spec/features/budgets/attachment_upload_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -59,13 +57,13 @@ describe 'Upload attachment to budget', js: true do
     # adding an image
     editor.drag_attachment image_fixture.path, 'Image uploaded on creation'
 
-    expect(page).to have_selector('attachment-list-item', text: 'image.png')
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
 
     click_on 'Create'
 
     expect(page).to have_selector('#content img', count: 1)
     expect(page).to have_content('Image uploaded on creation')
-    expect(page).to have_selector('attachment-list-item', text: 'image.png')
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
 
     within '.toolbar-items' do
       click_on "Update"
@@ -73,13 +71,13 @@ describe 'Upload attachment to budget', js: true do
 
     editor.drag_attachment image_fixture.path, 'Image uploaded the second time'
 
-    expect(page).to have_selector('attachment-list-item', text: 'image.png', count: 2)
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png', count: 2)
 
     click_on 'Submit'
 
     expect(page).to have_selector('#content img', count: 2)
     expect(page).to have_content('Image uploaded on creation')
     expect(page).to have_content('Image uploaded the second time')
-    expect(page).to have_selector('attachment-list-item', text: 'image.png', count: 2)
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png', count: 2)
   end
 end
diff --git a/modules/budgets/spec/features/budgets/update_budget_spec.rb b/modules/budgets/spec/features/budgets/update_budget_spec.rb
index 790c0ee4e4..530066cc93 100644
--- a/modules/budgets/spec/features/budgets/update_budget_spec.rb
+++ b/modules/budgets/spec/features/budgets/update_budget_spec.rb
@@ -31,15 +31,13 @@ require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
 describe 'updating a budget', type: :feature, js: true do
   let(:project) do
     create :project_with_types,
-           enabled_module_names: %i[budgets costs],
-           members: { user => create(:role) }
+           enabled_module_names: %i[budgets costs work_package_tracking],
+           members: { user => create(:role, permissions: %i[work_package_assigned]) }
   end
   let(:user) { create :admin }
   let(:budget) { create :budget, author: user, project: project }
 
-  before do
-    login_as(user)
-  end
+  current_user { user }
 
   describe 'with new cost items' do
     let(:cost_type) do
diff --git a/modules/budgets/spec/services/budgets/create_service_spec.rb b/modules/budgets/spec/services/budgets/create_service_spec.rb
index f97434c847..8fef68c1de 100644
--- a/modules/budgets/spec/services/budgets/create_service_spec.rb
+++ b/modules/budgets/spec/services/budgets/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/budgets/spec/services/budgets/update_service_spec.rb b/modules/budgets/spec/services/budgets/update_service_spec.rb
index 03b5d4ea26..1d5296ce94 100644
--- a/modules/budgets/spec/services/budgets/update_service_spec.rb
+++ b/modules/budgets/spec/services/budgets/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/calendar/app/cells/calendar/row_cell.rb b/modules/calendar/app/cells/calendar/row_cell.rb
index 2bb07ed2b5..ae76eca8ba 100644
--- a/modules/calendar/app/cells/calendar/row_cell.rb
+++ b/modules/calendar/app/cells/calendar/row_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/modules/calendar/app/cells/calendar/table_cell.rb b/modules/calendar/app/cells/calendar/table_cell.rb
index b30830fbb4..30d6d16fc8 100644
--- a/modules/calendar/app/cells/calendar/table_cell.rb
+++ b/modules/calendar/app/cells/calendar/table_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/modules/calendar/app/controllers/calendar/calendars_controller.rb b/modules/calendar/app/controllers/calendar/calendars_controller.rb
index 5ec54726fc..ee49644958 100644
--- a/modules/calendar/app/controllers/calendar/calendars_controller.rb
+++ b/modules/calendar/app/controllers/calendar/calendars_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/calendar/config/locales/crowdin/de.yml b/modules/calendar/config/locales/crowdin/de.yml
index 9f1269ec9f..0bd5da5ecb 100644
--- a/modules/calendar/config/locales/crowdin/de.yml
+++ b/modules/calendar/config/locales/crowdin/de.yml
@@ -1,6 +1,6 @@
 #English strings go here
 de:
-  label_calendar_plural: "Calendars"
-  permission_view_calendars: "View calendars"
-  permission_manage_calendars: "Manage calendars"
-  project_module_calendar_view: "Calendar"
+  label_calendar_plural: "Kalender"
+  permission_view_calendars: "Kalender ansehen"
+  permission_manage_calendars: "Kalender verwalten"
+  project_module_calendar_view: "Kalender"
diff --git a/modules/calendar/config/locales/crowdin/js-af.yml b/modules/calendar/config/locales/crowdin/js-af.yml
index cd193f254d..531a656801 100644
--- a/modules/calendar/config/locales/crowdin/js-af.yml
+++ b/modules/calendar/config/locales/crowdin/js-af.yml
@@ -2,6 +2,7 @@
 af:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-ar.yml b/modules/calendar/config/locales/crowdin/js-ar.yml
index 932d7f3c36..3ef6e030a6 100644
--- a/modules/calendar/config/locales/crowdin/js-ar.yml
+++ b/modules/calendar/config/locales/crowdin/js-ar.yml
@@ -2,6 +2,7 @@
 ar:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-az.yml b/modules/calendar/config/locales/crowdin/js-az.yml
index 8dac3df53d..e38ac5fade 100644
--- a/modules/calendar/config/locales/crowdin/js-az.yml
+++ b/modules/calendar/config/locales/crowdin/js-az.yml
@@ -2,6 +2,7 @@
 az:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-bg.yml b/modules/calendar/config/locales/crowdin/js-bg.yml
index f41749d84e..465c4f429e 100644
--- a/modules/calendar/config/locales/crowdin/js-bg.yml
+++ b/modules/calendar/config/locales/crowdin/js-bg.yml
@@ -2,6 +2,7 @@
 bg:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-ca.yml b/modules/calendar/config/locales/crowdin/js-ca.yml
index 856bbec90c..8842e51a86 100644
--- a/modules/calendar/config/locales/crowdin/js-ca.yml
+++ b/modules/calendar/config/locales/crowdin/js-ca.yml
@@ -2,6 +2,7 @@
 ca:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-cs.yml b/modules/calendar/config/locales/crowdin/js-cs.yml
index 516c1f41a8..c0a3fe02da 100644
--- a/modules/calendar/config/locales/crowdin/js-cs.yml
+++ b/modules/calendar/config/locales/crowdin/js-cs.yml
@@ -2,6 +2,7 @@
 cs:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Kalendář'
       too_many: 'Celkem je zde %{count} pracovních balíčků, ale pouze %{max} lze zobrazit.'
       unsaved_title: 'Nepojmenovaný kalendář'
diff --git a/modules/calendar/config/locales/crowdin/js-da.yml b/modules/calendar/config/locales/crowdin/js-da.yml
index c4e4549b4f..c93209d951 100644
--- a/modules/calendar/config/locales/crowdin/js-da.yml
+++ b/modules/calendar/config/locales/crowdin/js-da.yml
@@ -2,6 +2,7 @@
 da:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-de.yml b/modules/calendar/config/locales/crowdin/js-de.yml
index c52bbcec30..a4e8303a55 100644
--- a/modules/calendar/config/locales/crowdin/js-de.yml
+++ b/modules/calendar/config/locales/crowdin/js-de.yml
@@ -2,6 +2,7 @@
 de:
   js:
     calendar:
-      title: 'Calendar'
-      too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
-      unsaved_title: 'Unnamed calendar'
+      create_new: 'Neuer Kalender'
+      title: 'Kalender'
+      too_many: 'Es gibt insgesamt %{count} Arbeitspakete, aber nur %{max} können angezeigt werden.'
+      unsaved_title: 'Unbenannter Kalender'
diff --git a/modules/calendar/config/locales/crowdin/js-el.yml b/modules/calendar/config/locales/crowdin/js-el.yml
index d5189451e2..037be421c2 100644
--- a/modules/calendar/config/locales/crowdin/js-el.yml
+++ b/modules/calendar/config/locales/crowdin/js-el.yml
@@ -2,6 +2,7 @@
 el:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-eo.yml b/modules/calendar/config/locales/crowdin/js-eo.yml
index 55721706f0..b662bbc13e 100644
--- a/modules/calendar/config/locales/crowdin/js-eo.yml
+++ b/modules/calendar/config/locales/crowdin/js-eo.yml
@@ -2,6 +2,7 @@
 eo:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-es.yml b/modules/calendar/config/locales/crowdin/js-es.yml
index fe2df352bd..9a5e0273b1 100644
--- a/modules/calendar/config/locales/crowdin/js-es.yml
+++ b/modules/calendar/config/locales/crowdin/js-es.yml
@@ -2,6 +2,7 @@
 es:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'Hay %{count} paquetes de trabajo en total, pero solo pueden mostrarse %{max}.'
       unsaved_title: 'Calendario sin nombre'
diff --git a/modules/calendar/config/locales/crowdin/js-et.yml b/modules/calendar/config/locales/crowdin/js-et.yml
index 449a2c0434..8b13574ac0 100644
--- a/modules/calendar/config/locales/crowdin/js-et.yml
+++ b/modules/calendar/config/locales/crowdin/js-et.yml
@@ -2,6 +2,7 @@
 et:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-fa.yml b/modules/calendar/config/locales/crowdin/js-fa.yml
index 819af438bd..ca4479eee0 100644
--- a/modules/calendar/config/locales/crowdin/js-fa.yml
+++ b/modules/calendar/config/locales/crowdin/js-fa.yml
@@ -2,6 +2,7 @@
 fa:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-fi.yml b/modules/calendar/config/locales/crowdin/js-fi.yml
index cf6d9ab10c..6290105512 100644
--- a/modules/calendar/config/locales/crowdin/js-fi.yml
+++ b/modules/calendar/config/locales/crowdin/js-fi.yml
@@ -2,6 +2,7 @@
 fi:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-fil.yml b/modules/calendar/config/locales/crowdin/js-fil.yml
index f96161f33c..d792ac40e5 100644
--- a/modules/calendar/config/locales/crowdin/js-fil.yml
+++ b/modules/calendar/config/locales/crowdin/js-fil.yml
@@ -2,6 +2,7 @@
 fil:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-fr.yml b/modules/calendar/config/locales/crowdin/js-fr.yml
index 0b968647be..6ce502b5f6 100644
--- a/modules/calendar/config/locales/crowdin/js-fr.yml
+++ b/modules/calendar/config/locales/crowdin/js-fr.yml
@@ -2,6 +2,7 @@
 fr:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendrier'
       too_many: 'Il y a %{count} lots de travaux au total, mais seulement %{max} peuvent être affichés.'
       unsaved_title: 'Calendrier sans nom'
diff --git a/modules/calendar/config/locales/crowdin/js-he.yml b/modules/calendar/config/locales/crowdin/js-he.yml
index b53b90c4a6..f6fde166e4 100644
--- a/modules/calendar/config/locales/crowdin/js-he.yml
+++ b/modules/calendar/config/locales/crowdin/js-he.yml
@@ -2,6 +2,7 @@
 he:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-hi.yml b/modules/calendar/config/locales/crowdin/js-hi.yml
index 24209c33e8..4acd4e2431 100644
--- a/modules/calendar/config/locales/crowdin/js-hi.yml
+++ b/modules/calendar/config/locales/crowdin/js-hi.yml
@@ -2,6 +2,7 @@
 hi:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-hr.yml b/modules/calendar/config/locales/crowdin/js-hr.yml
index 960c8257fe..a0a322c569 100644
--- a/modules/calendar/config/locales/crowdin/js-hr.yml
+++ b/modules/calendar/config/locales/crowdin/js-hr.yml
@@ -2,6 +2,7 @@
 hr:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-hu.yml b/modules/calendar/config/locales/crowdin/js-hu.yml
index 573773c55e..bbe028f818 100644
--- a/modules/calendar/config/locales/crowdin/js-hu.yml
+++ b/modules/calendar/config/locales/crowdin/js-hu.yml
@@ -2,6 +2,7 @@
 hu:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-id.yml b/modules/calendar/config/locales/crowdin/js-id.yml
index 4896629cea..1f71842fc2 100644
--- a/modules/calendar/config/locales/crowdin/js-id.yml
+++ b/modules/calendar/config/locales/crowdin/js-id.yml
@@ -2,6 +2,7 @@
 id:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-it.yml b/modules/calendar/config/locales/crowdin/js-it.yml
index e8ac0f5115..73fccbc6e0 100644
--- a/modules/calendar/config/locales/crowdin/js-it.yml
+++ b/modules/calendar/config/locales/crowdin/js-it.yml
@@ -2,6 +2,7 @@
 it:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-ja.yml b/modules/calendar/config/locales/crowdin/js-ja.yml
index b431251380..c22a090e85 100644
--- a/modules/calendar/config/locales/crowdin/js-ja.yml
+++ b/modules/calendar/config/locales/crowdin/js-ja.yml
@@ -2,6 +2,7 @@
 ja:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-ko.yml b/modules/calendar/config/locales/crowdin/js-ko.yml
index 39760a0539..2712e64628 100644
--- a/modules/calendar/config/locales/crowdin/js-ko.yml
+++ b/modules/calendar/config/locales/crowdin/js-ko.yml
@@ -2,6 +2,7 @@
 ko:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-lol.yml b/modules/calendar/config/locales/crowdin/js-lol.yml
index c671834c1f..54a896d864 100644
--- a/modules/calendar/config/locales/crowdin/js-lol.yml
+++ b/modules/calendar/config/locales/crowdin/js-lol.yml
@@ -2,6 +2,7 @@
 lol:
   js:
     calendar:
+      create_new: 'crwdns773052:0crwdne773052:0'
       title: 'crwdns588587:0crwdne588587:0'
       too_many: 'crwdns588589:0%{count}crwdnd588589:0%{max}crwdne588589:0'
       unsaved_title: 'crwdns588591:0crwdne588591:0'
diff --git a/modules/calendar/config/locales/crowdin/js-lt.yml b/modules/calendar/config/locales/crowdin/js-lt.yml
index 236015b7d6..528e5618dd 100644
--- a/modules/calendar/config/locales/crowdin/js-lt.yml
+++ b/modules/calendar/config/locales/crowdin/js-lt.yml
@@ -2,6 +2,7 @@
 lt:
   js:
     calendar:
+      create_new: 'Naujas kalendorius'
       title: 'Kalendorius'
       too_many: 'Iš viso yra %{count} darbo paketų, bet tik %{max} gali būti rodomi.'
       unsaved_title: 'Bevardis kalendorius'
diff --git a/modules/calendar/config/locales/crowdin/js-lv.yml b/modules/calendar/config/locales/crowdin/js-lv.yml
index f0f5278304..edf9c52324 100644
--- a/modules/calendar/config/locales/crowdin/js-lv.yml
+++ b/modules/calendar/config/locales/crowdin/js-lv.yml
@@ -2,6 +2,7 @@
 lv:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-ne.yml b/modules/calendar/config/locales/crowdin/js-ne.yml
index 51be32515a..2d801608c0 100644
--- a/modules/calendar/config/locales/crowdin/js-ne.yml
+++ b/modules/calendar/config/locales/crowdin/js-ne.yml
@@ -2,6 +2,7 @@
 ne:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-nl.yml b/modules/calendar/config/locales/crowdin/js-nl.yml
index e6e751965f..a1f8c54742 100644
--- a/modules/calendar/config/locales/crowdin/js-nl.yml
+++ b/modules/calendar/config/locales/crowdin/js-nl.yml
@@ -2,6 +2,7 @@
 nl:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-no.yml b/modules/calendar/config/locales/crowdin/js-no.yml
index a444382514..590f1e5b24 100644
--- a/modules/calendar/config/locales/crowdin/js-no.yml
+++ b/modules/calendar/config/locales/crowdin/js-no.yml
@@ -2,6 +2,7 @@
 "no":
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-pl.yml b/modules/calendar/config/locales/crowdin/js-pl.yml
index a4d78f6beb..7aee73a0f8 100644
--- a/modules/calendar/config/locales/crowdin/js-pl.yml
+++ b/modules/calendar/config/locales/crowdin/js-pl.yml
@@ -2,6 +2,7 @@
 pl:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-pt.yml b/modules/calendar/config/locales/crowdin/js-pt.yml
index c3d0e9b2e1..43d8c64c93 100644
--- a/modules/calendar/config/locales/crowdin/js-pt.yml
+++ b/modules/calendar/config/locales/crowdin/js-pt.yml
@@ -2,6 +2,7 @@
 pt:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendário'
       too_many: 'Existem %{count} pacotes de trabalho, mas apenas %{max} podem ser mostrados.'
       unsaved_title: 'Calendário sem nome'
diff --git a/modules/calendar/config/locales/crowdin/js-ro.yml b/modules/calendar/config/locales/crowdin/js-ro.yml
index dc2e7568cb..b3a1addb56 100644
--- a/modules/calendar/config/locales/crowdin/js-ro.yml
+++ b/modules/calendar/config/locales/crowdin/js-ro.yml
@@ -2,6 +2,7 @@
 ro:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-ru.yml b/modules/calendar/config/locales/crowdin/js-ru.yml
index 054cf9291b..b19fb5461c 100644
--- a/modules/calendar/config/locales/crowdin/js-ru.yml
+++ b/modules/calendar/config/locales/crowdin/js-ru.yml
@@ -2,6 +2,7 @@
 ru:
   js:
     calendar:
+      create_new: 'Создать новый календарь'
       title: 'Календарь'
       too_many: 'Всего %{count} пакетов работ, но может быть отображено только %{max}.'
       unsaved_title: 'Безымянный календарь'
diff --git a/modules/calendar/config/locales/crowdin/js-rw.yml b/modules/calendar/config/locales/crowdin/js-rw.yml
index da05c07c29..86b179ef02 100644
--- a/modules/calendar/config/locales/crowdin/js-rw.yml
+++ b/modules/calendar/config/locales/crowdin/js-rw.yml
@@ -2,6 +2,7 @@
 rw:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-si.yml b/modules/calendar/config/locales/crowdin/js-si.yml
index 90b5eae735..6502e08318 100644
--- a/modules/calendar/config/locales/crowdin/js-si.yml
+++ b/modules/calendar/config/locales/crowdin/js-si.yml
@@ -2,6 +2,7 @@
 si:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-sk.yml b/modules/calendar/config/locales/crowdin/js-sk.yml
index e83a491d14..2ed3ac6202 100644
--- a/modules/calendar/config/locales/crowdin/js-sk.yml
+++ b/modules/calendar/config/locales/crowdin/js-sk.yml
@@ -2,6 +2,7 @@
 sk:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-sl.yml b/modules/calendar/config/locales/crowdin/js-sl.yml
index 19324ddc7e..024b718c19 100644
--- a/modules/calendar/config/locales/crowdin/js-sl.yml
+++ b/modules/calendar/config/locales/crowdin/js-sl.yml
@@ -2,6 +2,7 @@
 sl:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-sv.yml b/modules/calendar/config/locales/crowdin/js-sv.yml
index 5b5b61e286..262193c3ac 100644
--- a/modules/calendar/config/locales/crowdin/js-sv.yml
+++ b/modules/calendar/config/locales/crowdin/js-sv.yml
@@ -2,6 +2,7 @@
 sv:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-th.yml b/modules/calendar/config/locales/crowdin/js-th.yml
index 7fa7006ebd..17e39b7ff2 100644
--- a/modules/calendar/config/locales/crowdin/js-th.yml
+++ b/modules/calendar/config/locales/crowdin/js-th.yml
@@ -2,6 +2,7 @@
 th:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-tr.yml b/modules/calendar/config/locales/crowdin/js-tr.yml
index a6f4b5e893..593c9bb368 100644
--- a/modules/calendar/config/locales/crowdin/js-tr.yml
+++ b/modules/calendar/config/locales/crowdin/js-tr.yml
@@ -2,6 +2,7 @@
 tr:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-uk.yml b/modules/calendar/config/locales/crowdin/js-uk.yml
index d126e84584..231e2e094e 100644
--- a/modules/calendar/config/locales/crowdin/js-uk.yml
+++ b/modules/calendar/config/locales/crowdin/js-uk.yml
@@ -2,6 +2,7 @@
 uk:
   js:
     calendar:
+      create_new: 'Новий календар'
       title: 'Календар'
       too_many: 'Усього існує %{count}  робочих пакетів, з яких лише %{max} можуть бути показані.'
       unsaved_title: 'Неназваний календар'
diff --git a/modules/calendar/config/locales/crowdin/js-vi.yml b/modules/calendar/config/locales/crowdin/js-vi.yml
index d7eeba392d..4d14ad5196 100644
--- a/modules/calendar/config/locales/crowdin/js-vi.yml
+++ b/modules/calendar/config/locales/crowdin/js-vi.yml
@@ -2,6 +2,7 @@
 vi:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/js-zh-TW.yml b/modules/calendar/config/locales/crowdin/js-zh-TW.yml
index b7e675de8e..6ec5874365 100644
--- a/modules/calendar/config/locales/crowdin/js-zh-TW.yml
+++ b/modules/calendar/config/locales/crowdin/js-zh-TW.yml
@@ -2,6 +2,7 @@
 zh-TW:
   js:
     calendar:
+      create_new: 'New calendar'
       title: 'Calendar'
       too_many: 'There are %{count} work packages in total, but only %{max} can be shown.'
       unsaved_title: 'Unnamed calendar'
diff --git a/modules/calendar/config/locales/crowdin/lt.yml b/modules/calendar/config/locales/crowdin/lt.yml
index 49229c586d..daf91a5167 100644
--- a/modules/calendar/config/locales/crowdin/lt.yml
+++ b/modules/calendar/config/locales/crowdin/lt.yml
@@ -1,6 +1,6 @@
 #English strings go here
 lt:
-  label_calendar_plural: "Calendars"
-  permission_view_calendars: "View calendars"
-  permission_manage_calendars: "Manage calendars"
+  label_calendar_plural: "Kalendoriai"
+  permission_view_calendars: "Žiūrėti kalendorius"
+  permission_manage_calendars: "Tvarkyti kalendorius"
   project_module_calendar_view: "Kalendorius"
diff --git a/modules/calendar/config/locales/crowdin/uk.yml b/modules/calendar/config/locales/crowdin/uk.yml
index e77b6b4fb7..b2016f9279 100644
--- a/modules/calendar/config/locales/crowdin/uk.yml
+++ b/modules/calendar/config/locales/crowdin/uk.yml
@@ -1,6 +1,6 @@
 #English strings go here
 uk:
-  label_calendar_plural: "Calendars"
-  permission_view_calendars: "View calendars"
-  permission_manage_calendars: "Manage calendars"
+  label_calendar_plural: "Календарі"
+  permission_view_calendars: "Переглянути календарі"
+  permission_manage_calendars: "Керувати календарями"
   project_module_calendar_view: "Календар"
diff --git a/modules/calendar/openproject-calendar.gemspec b/modules/calendar/openproject-calendar.gemspec
index 3fe40b68fc..33e0269ae7 100644
--- a/modules/calendar/openproject-calendar.gemspec
+++ b/modules/calendar/openproject-calendar.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = 'openproject-calendar'
   s.version     = '1.0.0'
diff --git a/modules/calendar/spec/features/calendar_create_work_package_spec.rb b/modules/calendar/spec/features/calendar_create_work_package_spec.rb
index 8cf7f9a7a4..94b67c17cc 100644
--- a/modules/calendar/spec/features/calendar_create_work_package_spec.rb
+++ b/modules/calendar/spec/features/calendar_create_work_package_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/calendar/spec/features/calendar_project_include_spec.rb b/modules/calendar/spec/features/calendar_project_include_spec.rb
index ac0d9a8535..5919e63273 100644
--- a/modules/calendar/spec/features/calendar_project_include_spec.rb
+++ b/modules/calendar/spec/features/calendar_project_include_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/calendar/spec/features/calendar_user_interaction_spec.rb b/modules/calendar/spec/features/calendar_user_interaction_spec.rb
index 15ef282086..54ac139a9e 100644
--- a/modules/calendar/spec/features/calendar_user_interaction_spec.rb
+++ b/modules/calendar/spec/features/calendar_user_interaction_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/calendar/spec/features/calendars_index_spec.rb b/modules/calendar/spec/features/calendars_index_spec.rb
index 4dd1d9ffb9..fcb15e6a79 100644
--- a/modules/calendar/spec/features/calendars_index_spec.rb
+++ b/modules/calendar/spec/features/calendars_index_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/calendar/spec/features/calendars_spec.rb b/modules/calendar/spec/features/calendars_spec.rb
index d9f0572293..de928e55fa 100644
--- a/modules/calendar/spec/features/calendars_spec.rb
+++ b/modules/calendar/spec/features/calendars_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/calendar/spec/features/query_handling_spec.rb b/modules/calendar/spec/features/query_handling_spec.rb
index 5ccc471b8d..17c263ee88 100644
--- a/modules/calendar/spec/features/query_handling_spec.rb
+++ b/modules/calendar/spec/features/query_handling_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/calendar/spec/features/shared_context.rb b/modules/calendar/spec/features/shared_context.rb
index 8c62aef69d..e49bda4f46 100644
--- a/modules/calendar/spec/features/shared_context.rb
+++ b/modules/calendar/spec/features/shared_context.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/contracts/time_entries/base_contract.rb b/modules/costs/app/contracts/time_entries/base_contract.rb
index cc0825a853..f0d51fe42f 100644
--- a/modules/costs/app/contracts/time_entries/base_contract.rb
+++ b/modules/costs/app/contracts/time_entries/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/contracts/time_entries/create_contract.rb b/modules/costs/app/contracts/time_entries/create_contract.rb
index 9bcd0e1cbd..c328cc38ae 100644
--- a/modules/costs/app/contracts/time_entries/create_contract.rb
+++ b/modules/costs/app/contracts/time_entries/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/contracts/time_entries/delete_contract.rb b/modules/costs/app/contracts/time_entries/delete_contract.rb
index abed81843d..604d096ec4 100644
--- a/modules/costs/app/contracts/time_entries/delete_contract.rb
+++ b/modules/costs/app/contracts/time_entries/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/contracts/time_entries/update_contract.rb b/modules/costs/app/contracts/time_entries/update_contract.rb
index f8dd0e702d..423d34eb9d 100644
--- a/modules/costs/app/contracts/time_entries/update_contract.rb
+++ b/modules/costs/app/contracts/time_entries/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/controllers/projects/settings/time_entry_activities_controller.rb b/modules/costs/app/controllers/projects/settings/time_entry_activities_controller.rb
index b6fdf1dd97..2120f224ec 100644
--- a/modules/costs/app/controllers/projects/settings/time_entry_activities_controller.rb
+++ b/modules/costs/app/controllers/projects/settings/time_entry_activities_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/activities/time_entry_activity_provider.rb b/modules/costs/app/models/activities/time_entry_activity_provider.rb
index 4272543403..7f60afa8c9 100644
--- a/modules/costs/app/models/activities/time_entry_activity_provider.rb
+++ b/modules/costs/app/models/activities/time_entry_activity_provider.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/entry/costs.rb b/modules/costs/app/models/entry/costs.rb
index 062a32e1cb..884c9fca45 100644
--- a/modules/costs/app/models/entry/costs.rb
+++ b/modules/costs/app/models/entry/costs.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/entry/splashed_dates.rb b/modules/costs/app/models/entry/splashed_dates.rb
index 50b4a1d58e..377a331907 100644
--- a/modules/costs/app/models/entry/splashed_dates.rb
+++ b/modules/costs/app/models/entry/splashed_dates.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/journal/time_entry_journal.rb b/modules/costs/app/models/journal/time_entry_journal.rb
index 3699ebec16..04e17dc6f2 100644
--- a/modules/costs/app/models/journal/time_entry_journal.rb
+++ b/modules/costs/app/models/journal/time_entry_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/projects/scopes/activated_time_activity.rb b/modules/costs/app/models/projects/scopes/activated_time_activity.rb
index 7c435745b2..bb84d2a5af 100644
--- a/modules/costs/app/models/projects/scopes/activated_time_activity.rb
+++ b/modules/costs/app/models/projects/scopes/activated_time_activity.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/projects/scopes/visible_with_activated_time_activity.rb b/modules/costs/app/models/projects/scopes/visible_with_activated_time_activity.rb
index fe7dcdc015..263924af97 100644
--- a/modules/costs/app/models/projects/scopes/visible_with_activated_time_activity.rb
+++ b/modules/costs/app/models/projects/scopes/visible_with_activated_time_activity.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries.rb b/modules/costs/app/models/queries/time_entries.rb
index 3a2126bb37..4e72692465 100644
--- a/modules/costs/app/models/queries/time_entries.rb
+++ b/modules/costs/app/models/queries/time_entries.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,15 +27,15 @@
 #++
 
 module Queries::TimeEntries
-  query = Queries::TimeEntries::TimeEntryQuery
-
-  Queries::Register.filter query, Queries::TimeEntries::Filters::UserFilter
-  Queries::Register.filter query, Queries::TimeEntries::Filters::WorkPackageFilter
-  Queries::Register.filter query, Queries::TimeEntries::Filters::ProjectFilter
-  Queries::Register.filter query, Queries::TimeEntries::Filters::SpentOnFilter
-  Queries::Register.filter query, Queries::TimeEntries::Filters::CreatedAtFilter
-  Queries::Register.filter query, Queries::TimeEntries::Filters::UpdatedAtFilter
-  Queries::Register.filter query, Queries::TimeEntries::Filters::ActivityFilter
+  ::Queries::Register.register(TimeEntryQuery) do
+    filter Filters::UserFilter
+    filter Filters::WorkPackageFilter
+    filter Filters::ProjectFilter
+    filter Filters::SpentOnFilter
+    filter Filters::CreatedAtFilter
+    filter Filters::UpdatedAtFilter
+    filter Filters::ActivityFilter
 
-  Queries::Register.order query, Queries::TimeEntries::Orders::DefaultOrder
+    order Orders::DefaultOrder
+  end
 end
diff --git a/modules/costs/app/models/queries/time_entries/filters/activity_filter.rb b/modules/costs/app/models/queries/time_entries/filters/activity_filter.rb
index 753a6055c1..8878dad3af 100644
--- a/modules/costs/app/models/queries/time_entries/filters/activity_filter.rb
+++ b/modules/costs/app/models/queries/time_entries/filters/activity_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries/filters/created_at_filter.rb b/modules/costs/app/models/queries/time_entries/filters/created_at_filter.rb
index 9f0e14c584..d20fc5afde 100644
--- a/modules/costs/app/models/queries/time_entries/filters/created_at_filter.rb
+++ b/modules/costs/app/models/queries/time_entries/filters/created_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries/filters/project_filter.rb b/modules/costs/app/models/queries/time_entries/filters/project_filter.rb
index 2fdce307d7..04d2c4a437 100644
--- a/modules/costs/app/models/queries/time_entries/filters/project_filter.rb
+++ b/modules/costs/app/models/queries/time_entries/filters/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries/filters/spent_on_filter.rb b/modules/costs/app/models/queries/time_entries/filters/spent_on_filter.rb
index 6223f70456..eaaa40bad0 100644
--- a/modules/costs/app/models/queries/time_entries/filters/spent_on_filter.rb
+++ b/modules/costs/app/models/queries/time_entries/filters/spent_on_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries/filters/time_entry_filter.rb b/modules/costs/app/models/queries/time_entries/filters/time_entry_filter.rb
index 11273ae6d5..d7c4e997d1 100644
--- a/modules/costs/app/models/queries/time_entries/filters/time_entry_filter.rb
+++ b/modules/costs/app/models/queries/time_entries/filters/time_entry_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries/filters/updated_at_filter.rb b/modules/costs/app/models/queries/time_entries/filters/updated_at_filter.rb
index c1fbc121da..c3aaa67d34 100644
--- a/modules/costs/app/models/queries/time_entries/filters/updated_at_filter.rb
+++ b/modules/costs/app/models/queries/time_entries/filters/updated_at_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries/filters/user_filter.rb b/modules/costs/app/models/queries/time_entries/filters/user_filter.rb
index 8147676fb8..9258c36abb 100644
--- a/modules/costs/app/models/queries/time_entries/filters/user_filter.rb
+++ b/modules/costs/app/models/queries/time_entries/filters/user_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries/filters/work_package_filter.rb b/modules/costs/app/models/queries/time_entries/filters/work_package_filter.rb
index 2022a00108..49fd8e5586 100644
--- a/modules/costs/app/models/queries/time_entries/filters/work_package_filter.rb
+++ b/modules/costs/app/models/queries/time_entries/filters/work_package_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/queries/time_entries/orders/default_order.rb b/modules/costs/app/models/queries/time_entries/orders/default_order.rb
index f8b315902a..4d20f48c4d 100644
--- a/modules/costs/app/models/queries/time_entries/orders/default_order.rb
+++ b/modules/costs/app/models/queries/time_entries/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/time_entries/scopes/of_user_and_day.rb b/modules/costs/app/models/time_entries/scopes/of_user_and_day.rb
index 1b1039d5f0..c9930a8f0e 100644
--- a/modules/costs/app/models/time_entries/scopes/of_user_and_day.rb
+++ b/modules/costs/app/models/time_entries/scopes/of_user_and_day.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/time_entries/scopes/visible.rb b/modules/costs/app/models/time_entries/scopes/visible.rb
index 0d67d109a9..87373872c6 100644
--- a/modules/costs/app/models/time_entries/scopes/visible.rb
+++ b/modules/costs/app/models/time_entries/scopes/visible.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/time_entry.rb b/modules/costs/app/models/time_entry.rb
index 2105d718ad..969415b04e 100644
--- a/modules/costs/app/models/time_entry.rb
+++ b/modules/costs/app/models/time_entry.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/time_entry_activities/scopes/active_in_project.rb b/modules/costs/app/models/time_entry_activities/scopes/active_in_project.rb
index fef05918f0..0edb53c350 100644
--- a/modules/costs/app/models/time_entry_activities/scopes/active_in_project.rb
+++ b/modules/costs/app/models/time_entry_activities/scopes/active_in_project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/time_entry_activities_project.rb b/modules/costs/app/models/time_entry_activities_project.rb
index 7977fb6f6d..9a53dcdd1b 100644
--- a/modules/costs/app/models/time_entry_activities_project.rb
+++ b/modules/costs/app/models/time_entry_activities_project.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/time_entry_activity.rb b/modules/costs/app/models/time_entry_activity.rb
index 589cb1a7e5..ccc73ff634 100644
--- a/modules/costs/app/models/time_entry_activity.rb
+++ b/modules/costs/app/models/time_entry_activity.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/models/time_entry_custom_field.rb b/modules/costs/app/models/time_entry_custom_field.rb
index a3102df3f2..c8bc65f9b0 100644
--- a/modules/costs/app/models/time_entry_custom_field.rb
+++ b/modules/costs/app/models/time_entry_custom_field.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/services/time_entries/create_service.rb b/modules/costs/app/services/time_entries/create_service.rb
index db6cb9512e..9ac3aa2f1b 100644
--- a/modules/costs/app/services/time_entries/create_service.rb
+++ b/modules/costs/app/services/time_entries/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/services/time_entries/delete_service.rb b/modules/costs/app/services/time_entries/delete_service.rb
index 7eadd0fa05..631e64baa2 100644
--- a/modules/costs/app/services/time_entries/delete_service.rb
+++ b/modules/costs/app/services/time_entries/delete_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/services/time_entries/set_attributes_service.rb b/modules/costs/app/services/time_entries/set_attributes_service.rb
index a58b7aca43..5e52b3b8b3 100644
--- a/modules/costs/app/services/time_entries/set_attributes_service.rb
+++ b/modules/costs/app/services/time_entries/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/app/services/time_entries/update_service.rb b/modules/costs/app/services/time_entries/update_service.rb
index e57631fccc..82cdbce774 100644
--- a/modules/costs/app/services/time_entries/update_service.rb
+++ b/modules/costs/app/services/time_entries/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/config/locales/crowdin/uk.yml b/modules/costs/config/locales/crowdin/uk.yml
index dccd1d5e03..61102026e4 100644
--- a/modules/costs/config/locales/crowdin/uk.yml
+++ b/modules/costs/config/locales/crowdin/uk.yml
@@ -82,7 +82,7 @@ uk:
   label_costlog: "Записані витрати на одиницю продукції"
   label_cost_plural: "Витрати"
   label_cost_type_plural: "Види витрат"
-  label_cost_type_specific: "Cost type #%{id}: %{name}"
+  label_cost_type_specific: "Витрати типу #%{id}: %{name}"
   label_costs_per_page: "Витрати на сторінку"
   label_currency: "Валюта"
   label_currency_format: "Формат валюти"
@@ -132,7 +132,7 @@ uk:
   permission_view_own_cost_entries: "Перегляд власних замовлених витрат"
   permission_view_own_hourly_rate: "Переглянути власну погодинну ставку"
   permission_view_own_time_entries: "Переглянути власний витрачений час"
-  project_module_costs: "Time and costs"
+  project_module_costs: "Час і витрати"
   text_assign_time_and_cost_entries_to_project: "Призначення повідомлених годин і витрат проекту"
   text_destroy_cost_entries_question: "%{cost_entries} повідомлялися про робочі пакети, які ви збираєтеся видалити. Що ти хочеш робити ?"
   text_destroy_time_and_cost_entries: "Видаліть звітні години та витрати"
diff --git a/modules/costs/db/migrate/20200807083952_rename_time_and_cost_module.rb b/modules/costs/db/migrate/20200807083952_rename_time_and_cost_module.rb
index 882b512069..848e6a2153 100644
--- a/modules/costs/db/migrate/20200807083952_rename_time_and_cost_module.rb
+++ b/modules/costs/db/migrate/20200807083952_rename_time_and_cost_module.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/cost_entries/cost_entries_api.rb b/modules/costs/lib/api/v3/cost_entries/cost_entries_api.rb
index f188c73e9a..08baf95f41 100644
--- a/modules/costs/lib/api/v3/cost_entries/cost_entries_api.rb
+++ b/modules/costs/lib/api/v3/cost_entries/cost_entries_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/cost_entries/cost_entries_by_work_package_api.rb b/modules/costs/lib/api/v3/cost_entries/cost_entries_by_work_package_api.rb
index d82b9a0b36..5e1d9f7a62 100644
--- a/modules/costs/lib/api/v3/cost_entries/cost_entries_by_work_package_api.rb
+++ b/modules/costs/lib/api/v3/cost_entries/cost_entries_by_work_package_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/cost_entries/cost_entry_collection_representer.rb b/modules/costs/lib/api/v3/cost_entries/cost_entry_collection_representer.rb
index 76851597f9..59f4ffc8fd 100644
--- a/modules/costs/lib/api/v3/cost_entries/cost_entry_collection_representer.rb
+++ b/modules/costs/lib/api/v3/cost_entries/cost_entry_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/cost_entries/work_package_costs_by_type_representer.rb b/modules/costs/lib/api/v3/cost_entries/work_package_costs_by_type_representer.rb
index 5972fe0bdb..f198f5a229 100644
--- a/modules/costs/lib/api/v3/cost_entries/work_package_costs_by_type_representer.rb
+++ b/modules/costs/lib/api/v3/cost_entries/work_package_costs_by_type_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/cost_types/cost_types_api.rb b/modules/costs/lib/api/v3/cost_types/cost_types_api.rb
index 44b13d0400..d8dfb6adcf 100644
--- a/modules/costs/lib/api/v3/cost_types/cost_types_api.rb
+++ b/modules/costs/lib/api/v3/cost_types/cost_types_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/time_entries/create_form_representer.rb b/modules/costs/lib/api/v3/time_entries/create_form_representer.rb
index 5350b517a1..12cfa9bcd1 100644
--- a/modules/costs/lib/api/v3/time_entries/create_form_representer.rb
+++ b/modules/costs/lib/api/v3/time_entries/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/time_entries/form_representer.rb b/modules/costs/lib/api/v3/time_entries/form_representer.rb
index e4369e85a2..9f7f8b2944 100644
--- a/modules/costs/lib/api/v3/time_entries/form_representer.rb
+++ b/modules/costs/lib/api/v3/time_entries/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/time_entries/time_entries_activity_representer.rb b/modules/costs/lib/api/v3/time_entries/time_entries_activity_representer.rb
index 265f7be292..4495794323 100644
--- a/modules/costs/lib/api/v3/time_entries/time_entries_activity_representer.rb
+++ b/modules/costs/lib/api/v3/time_entries/time_entries_activity_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/time_entries/time_entries_api.rb b/modules/costs/lib/api/v3/time_entries/time_entries_api.rb
index eb90c6d7a4..2a413eaea0 100644
--- a/modules/costs/lib/api/v3/time_entries/time_entries_api.rb
+++ b/modules/costs/lib/api/v3/time_entries/time_entries_api.rb
@@ -30,7 +30,7 @@ module API
   module V3
     module TimeEntries
       class TimeEntriesAPI < ::API::OpenProjectAPI
-        helpers ::API::Utilities::PageSizeHelper
+        helpers ::API::Utilities::UrlPropsParsingHelper
 
         resources :time_entries do
           get &::API::V3::Utilities::Endpoints::Index.new(model: TimeEntry).mount
diff --git a/modules/costs/lib/api/v3/time_entries/time_entry_collection_representer.rb b/modules/costs/lib/api/v3/time_entries/time_entry_collection_representer.rb
index 2aa5e5124c..27b1d5d0bb 100644
--- a/modules/costs/lib/api/v3/time_entries/time_entry_collection_representer.rb
+++ b/modules/costs/lib/api/v3/time_entries/time_entry_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/time_entries/time_entry_representer.rb b/modules/costs/lib/api/v3/time_entries/time_entry_representer.rb
index e4e7f569d1..c55c2ad8b1 100644
--- a/modules/costs/lib/api/v3/time_entries/time_entry_representer.rb
+++ b/modules/costs/lib/api/v3/time_entries/time_entry_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/api/v3/time_entries/update_form_representer.rb b/modules/costs/lib/api/v3/time_entries/update_form_representer.rb
index e9cc8a23ea..23d654ffba 100644
--- a/modules/costs/lib/api/v3/time_entries/update_form_representer.rb
+++ b/modules/costs/lib/api/v3/time_entries/update_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/lib/costs/engine.rb b/modules/costs/lib/costs/engine.rb
index e578029e69..a10b13a8af 100644
--- a/modules/costs/lib/costs/engine.rb
+++ b/modules/costs/lib/costs/engine.rb
@@ -248,12 +248,10 @@ module Costs
              writable: false
     end
 
-    initializer 'costs.register_latest_project_activity' do
+    config.to_prepare do
       Project.register_latest_project_activity on: 'TimeEntry',
                                                attribute: :updated_at
-    end
 
-    config.to_prepare do
       Costs::Patches::MembersPatch.mixin!
 
       ##
@@ -270,7 +268,9 @@ module Costs
         ::Type.add_constraint attribute, constraint
       end
 
-      Queries::Register.column Query, Costs::QueryCurrencyColumn
+      ::Queries::Register.register(::Query) do
+        column Costs::QueryCurrencyColumn
+      end
     end
   end
 end
diff --git a/modules/costs/spec/contracts/time_entries/create_contract_spec.rb b/modules/costs/spec/contracts/time_entries/create_contract_spec.rb
index 228eb2966d..1187f9d50c 100644
--- a/modules/costs/spec/contracts/time_entries/create_contract_spec.rb
+++ b/modules/costs/spec/contracts/time_entries/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/contracts/time_entries/delete_contract_spec.rb b/modules/costs/spec/contracts/time_entries/delete_contract_spec.rb
index 3fd1167910..b4b22b5099 100644
--- a/modules/costs/spec/contracts/time_entries/delete_contract_spec.rb
+++ b/modules/costs/spec/contracts/time_entries/delete_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/contracts/time_entries/shared_contract_examples.rb b/modules/costs/spec/contracts/time_entries/shared_contract_examples.rb
index a3fb0e0f02..1fe7611148 100644
--- a/modules/costs/spec/contracts/time_entries/shared_contract_examples.rb
+++ b/modules/costs/spec/contracts/time_entries/shared_contract_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/contracts/time_entries/update_contract_spec.rb b/modules/costs/spec/contracts/time_entries/update_contract_spec.rb
index 99ed84fba9..28e90fde06 100644
--- a/modules/costs/spec/contracts/time_entries/update_contract_spec.rb
+++ b/modules/costs/spec/contracts/time_entries/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/features/cost_entries/add_cost_entry_spec.rb b/modules/costs/spec/features/cost_entries/add_cost_entry_spec.rb
index ac1745fbfa..9de16f8d06 100644
--- a/modules/costs/spec/features/cost_entries/add_cost_entry_spec.rb
+++ b/modules/costs/spec/features/cost_entries/add_cost_entry_spec.rb
@@ -36,12 +36,14 @@ describe 'Work Package cost fields', type: :feature, js: true do
     create(:project, types: [type_task])
   end
   shared_let(:role) do
-    create :role, permissions: %i[view_work_packages
-                                             delete_work_packages
-                                             log_costs
-                                             view_cost_rates
-                                             edit_cost_entries
-                                             view_cost_entries]
+    create :role,
+           permissions: %i[view_work_packages
+                           delete_work_packages
+                           log_costs
+                           view_cost_rates
+                           edit_cost_entries
+                           view_cost_entries
+                           work_package_assigned]
   end
   shared_let(:user) do
     create :user,
diff --git a/modules/costs/spec/features/cost_entries/add_entry_without_rate_permission_spec.rb b/modules/costs/spec/features/cost_entries/add_entry_without_rate_permission_spec.rb
index 3fa2e3f81b..5153b681bf 100644
--- a/modules/costs/spec/features/cost_entries/add_entry_without_rate_permission_spec.rb
+++ b/modules/costs/spec/features/cost_entries/add_entry_without_rate_permission_spec.rb
@@ -36,9 +36,11 @@ describe 'Create cost entry without rate permissions', type: :feature, js: true
     create(:project, types: [type_task])
   end
   shared_let(:role) do
-    create :role, permissions: %i[view_work_packages
-                                             log_costs
-                                             view_cost_entries]
+    create :role,
+           permissions: %i[view_work_packages
+                           log_costs
+                           view_cost_entries
+                           work_package_assigned]
   end
   shared_let(:user) do
     create :user,
diff --git a/modules/costs/spec/models/projects/scopes/activated_time_activity_spec.rb b/modules/costs/spec/models/projects/scopes/activated_time_activity_spec.rb
index 35637420de..dd012057f4 100644
--- a/modules/costs/spec/models/projects/scopes/activated_time_activity_spec.rb
+++ b/modules/costs/spec/models/projects/scopes/activated_time_activity_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/projects/scopes/visible_with_activated_time_activity_spec.rb b/modules/costs/spec/models/projects/scopes/visible_with_activated_time_activity_spec.rb
index 0861894099..281bd07e1c 100644
--- a/modules/costs/spec/models/projects/scopes/visible_with_activated_time_activity_spec.rb
+++ b/modules/costs/spec/models/projects/scopes/visible_with_activated_time_activity_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/queries/time_entries/filters/activity_filter_spec.rb b/modules/costs/spec/models/queries/time_entries/filters/activity_filter_spec.rb
index 7e88f0a2dd..55e7fb4b67 100644
--- a/modules/costs/spec/models/queries/time_entries/filters/activity_filter_spec.rb
+++ b/modules/costs/spec/models/queries/time_entries/filters/activity_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/queries/time_entries/filters/project_filter_spec.rb b/modules/costs/spec/models/queries/time_entries/filters/project_filter_spec.rb
index 93e4a4f337..adfbab4ef0 100644
--- a/modules/costs/spec/models/queries/time_entries/filters/project_filter_spec.rb
+++ b/modules/costs/spec/models/queries/time_entries/filters/project_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/queries/time_entries/filters/user_filter_spec.rb b/modules/costs/spec/models/queries/time_entries/filters/user_filter_spec.rb
index 0803fd2c39..ab14f5dbac 100644
--- a/modules/costs/spec/models/queries/time_entries/filters/user_filter_spec.rb
+++ b/modules/costs/spec/models/queries/time_entries/filters/user_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/queries/time_entries/filters/work_package_filter_spec.rb b/modules/costs/spec/models/queries/time_entries/filters/work_package_filter_spec.rb
index 9cab061fe1..660a5b49c1 100644
--- a/modules/costs/spec/models/queries/time_entries/filters/work_package_filter_spec.rb
+++ b/modules/costs/spec/models/queries/time_entries/filters/work_package_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/time_entries/scopes/of_user_and_day_spec.rb b/modules/costs/spec/models/time_entries/scopes/of_user_and_day_spec.rb
index 2ac0aabe5a..6f21409392 100644
--- a/modules/costs/spec/models/time_entries/scopes/of_user_and_day_spec.rb
+++ b/modules/costs/spec/models/time_entries/scopes/of_user_and_day_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/time_entries/scopes/visible_spec.rb b/modules/costs/spec/models/time_entries/scopes/visible_spec.rb
index 5e0839bee7..0be8ce3a03 100644
--- a/modules/costs/spec/models/time_entries/scopes/visible_spec.rb
+++ b/modules/costs/spec/models/time_entries/scopes/visible_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/time_entry_activities/scopes/active_in_project_spec.rb b/modules/costs/spec/models/time_entry_activities/scopes/active_in_project_spec.rb
index 31e888ea40..06b377a843 100644
--- a/modules/costs/spec/models/time_entry_activities/scopes/active_in_project_spec.rb
+++ b/modules/costs/spec/models/time_entry_activities/scopes/active_in_project_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/time_entry_activity_spec.rb b/modules/costs/spec/models/time_entry_activity_spec.rb
index e301fb2fa7..5559719fe0 100644
--- a/modules/costs/spec/models/time_entry_activity_spec.rb
+++ b/modules/costs/spec/models/time_entry_activity_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/models/time_entry_spec.rb b/modules/costs/spec/models/time_entry_spec.rb
index 943495714f..66b2fbd744 100644
--- a/modules/costs/spec/models/time_entry_spec.rb
+++ b/modules/costs/spec/models/time_entry_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/costs/spec/requests/api/time_entries/create_form_resource_spec.rb b/modules/costs/spec/requests/api/time_entries/create_form_resource_spec.rb
index 1f6479d6da..d2a7eac38f 100644
--- a/modules/costs/spec/requests/api/time_entries/create_form_resource_spec.rb
+++ b/modules/costs/spec/requests/api/time_entries/create_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/modules/costs/spec/requests/api/time_entries/update_form_resource_spec.rb b/modules/costs/spec/requests/api/time_entries/update_form_resource_spec.rb
index 8ed7fb084d..b5ca79fc6b 100644
--- a/modules/costs/spec/requests/api/time_entries/update_form_resource_spec.rb
+++ b/modules/costs/spec/requests/api/time_entries/update_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/modules/dashboards/app/models/grids/dashboard.rb b/modules/dashboards/app/models/grids/dashboard.rb
index a549b818fe..de5637adfb 100644
--- a/modules/dashboards/app/models/grids/dashboard.rb
+++ b/modules/dashboards/app/models/grids/dashboard.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/dashboards/config/locales/crowdin/zh-TW.yml b/modules/dashboards/config/locales/crowdin/zh-TW.yml
index aeb3065e15..6eedfc5f2b 100644
--- a/modules/dashboards/config/locales/crowdin/zh-TW.yml
+++ b/modules/dashboards/config/locales/crowdin/zh-TW.yml
@@ -1,4 +1,4 @@
 zh-TW:
   dashboards:
-    label: 'Dashboards'
-  project_module_dashboards: 'Dashboards'
+    label: '信息中心'
+  project_module_dashboards: '信息中心'
diff --git a/modules/dashboards/dashboards.gemspec b/modules/dashboards/dashboards.gemspec
index 6a7c0cf034..93aef15b14 100644
--- a/modules/dashboards/dashboards.gemspec
+++ b/modules/dashboards/dashboards.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "dashboards"
   s.version     = '1.0.0'
diff --git a/modules/dashboards/lib/dashboards/engine.rb b/modules/dashboards/lib/dashboards/engine.rb
index a945a2f09f..cebe8b212f 100644
--- a/modules/dashboards/lib/dashboards/engine.rb
+++ b/modules/dashboards/lib/dashboards/engine.rb
@@ -25,8 +25,8 @@ module Dashboards
 
       OpenProject::AccessControl.map do |ac_map|
         ac_map.project_module(:dashboards) do |pm_map|
-          pm_map.permission(:view_dashboards, 'dashboards/dashboards': ['show'])
-          pm_map.permission(:manage_dashboards, 'dashboards/dashboards': ['show'])
+          pm_map.permission(:view_dashboards, { 'dashboards/dashboards': ['show'] })
+          pm_map.permission(:manage_dashboards, { 'dashboards/dashboards': ['show'] })
         end
       end
     end
diff --git a/modules/dashboards/spec/contracts/grids/create_contract_spec.rb b/modules/dashboards/spec/contracts/grids/create_contract_spec.rb
index 83cafe1afe..a9a4a06c08 100644
--- a/modules/dashboards/spec/contracts/grids/create_contract_spec.rb
+++ b/modules/dashboards/spec/contracts/grids/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/dashboards/spec/contracts/grids/shared_examples.rb b/modules/dashboards/spec/contracts/grids/shared_examples.rb
index e17eeb9b10..d346609076 100644
--- a/modules/dashboards/spec/contracts/grids/shared_examples.rb
+++ b/modules/dashboards/spec/contracts/grids/shared_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/dashboards/spec/features/custom_text_spec.rb b/modules/dashboards/spec/features/custom_text_spec.rb
index ba2817f439..e6f8f0a07d 100644
--- a/modules/dashboards/spec/features/custom_text_spec.rb
+++ b/modules/dashboards/spec/features/custom_text_spec.rb
@@ -137,7 +137,7 @@ describe 'Project description widget on dashboard', type: :feature, js: true do
       editor.drag_attachment image_fixture.path, 'Image uploaded'
 
       within custom_text_widget.area do
-        expect(page).to have_selector('attachment-list-item', text: 'image.png')
+        expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
         expect(page).to have_no_selector('notifications-upload-progress')
 
         field.save!
@@ -150,7 +150,7 @@ describe 'Project description widget on dashboard', type: :feature, js: true do
           .to have_selector('#content img', count: 1)
 
         expect(page)
-          .to have_no_selector('attachment-list-item', text: 'image.png')
+          .to have_no_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
       end
     end
   end
diff --git a/modules/documents/app/contracts/documents/base_contract.rb b/modules/documents/app/contracts/documents/base_contract.rb
index ebc4f201d8..e46ea755c0 100644
--- a/modules/documents/app/contracts/documents/base_contract.rb
+++ b/modules/documents/app/contracts/documents/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/contracts/documents/create_contract.rb b/modules/documents/app/contracts/documents/create_contract.rb
index 03ccb6d763..f72e49d075 100644
--- a/modules/documents/app/contracts/documents/create_contract.rb
+++ b/modules/documents/app/contracts/documents/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/contracts/documents/update_contract.rb b/modules/documents/app/contracts/documents/update_contract.rb
index 6c82491210..bff90ab3f8 100644
--- a/modules/documents/app/contracts/documents/update_contract.rb
+++ b/modules/documents/app/contracts/documents/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/controllers/documents_controller.rb b/modules/documents/app/controllers/documents_controller.rb
index 9ad7bf9c9d..a807b4e602 100644
--- a/modules/documents/app/controllers/documents_controller.rb
+++ b/modules/documents/app/controllers/documents_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/helpers/documents_helper.rb b/modules/documents/app/helpers/documents_helper.rb
index 49b7d8463d..22d459b4a7 100644
--- a/modules/documents/app/helpers/documents_helper.rb
+++ b/modules/documents/app/helpers/documents_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/models/document.rb b/modules/documents/app/models/document.rb
index 5f1d2ed909..3bdae1ceef 100644
--- a/modules/documents/app/models/document.rb
+++ b/modules/documents/app/models/document.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/models/document_category.rb b/modules/documents/app/models/document_category.rb
index 0efd5bc399..95b5e39ecd 100644
--- a/modules/documents/app/models/document_category.rb
+++ b/modules/documents/app/models/document_category.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/models/journal/document_journal.rb b/modules/documents/app/models/journal/document_journal.rb
index 9ed6ea4a1b..f79f06d163 100644
--- a/modules/documents/app/models/journal/document_journal.rb
+++ b/modules/documents/app/models/journal/document_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/models/queries/documents.rb b/modules/documents/app/models/queries/documents.rb
index cc3b4d11cb..1eb5f09ba1 100644
--- a/modules/documents/app/models/queries/documents.rb
+++ b/modules/documents/app/models/queries/documents.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -29,9 +27,9 @@
 #++
 
 module Queries::Documents
-  query = Queries::Documents::DocumentQuery
-
-  Queries::Register.filter query, Queries::Documents::Filters::ProjectFilter
+  ::Queries::Register.register(DocumentQuery) do
+    filter Filters::ProjectFilter
 
-  Queries::Register.order query, Queries::Documents::Orders::DefaultOrder
+    order Orders::DefaultOrder
+  end
 end
diff --git a/modules/documents/app/models/queries/documents/filters/document_filter.rb b/modules/documents/app/models/queries/documents/filters/document_filter.rb
index 080f2bc15b..31246daaad 100644
--- a/modules/documents/app/models/queries/documents/filters/document_filter.rb
+++ b/modules/documents/app/models/queries/documents/filters/document_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/models/queries/documents/filters/project_filter.rb b/modules/documents/app/models/queries/documents/filters/project_filter.rb
index e131fb1d67..8755c3d3e0 100644
--- a/modules/documents/app/models/queries/documents/filters/project_filter.rb
+++ b/modules/documents/app/models/queries/documents/filters/project_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/models/queries/documents/orders/default_order.rb b/modules/documents/app/models/queries/documents/orders/default_order.rb
index 31a3828e72..c77babeab7 100644
--- a/modules/documents/app/models/queries/documents/orders/default_order.rb
+++ b/modules/documents/app/models/queries/documents/orders/default_order.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/seeders/basic_data/documents/enumeration_seeder.rb b/modules/documents/app/seeders/basic_data/documents/enumeration_seeder.rb
index 613b61fdc1..a6115a74c1 100644
--- a/modules/documents/app/seeders/basic_data/documents/enumeration_seeder.rb
+++ b/modules/documents/app/seeders/basic_data/documents/enumeration_seeder.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/services/documents/create_service.rb b/modules/documents/app/services/documents/create_service.rb
index b9aea38391..e719a78698 100644
--- a/modules/documents/app/services/documents/create_service.rb
+++ b/modules/documents/app/services/documents/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/services/documents/set_attributes_service.rb b/modules/documents/app/services/documents/set_attributes_service.rb
index d22b13415f..897805a418 100644
--- a/modules/documents/app/services/documents/set_attributes_service.rb
+++ b/modules/documents/app/services/documents/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/services/documents/update_service.rb b/modules/documents/app/services/documents/update_service.rb
index b59b50071d..59247c66a1 100644
--- a/modules/documents/app/services/documents/update_service.rb
+++ b/modules/documents/app/services/documents/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/app/services/notifications/create_from_model_service/document_strategy.rb b/modules/documents/app/services/notifications/create_from_model_service/document_strategy.rb
index 3a784b28ab..4b260f093d 100644
--- a/modules/documents/app/services/notifications/create_from_model_service/document_strategy.rb
+++ b/modules/documents/app/services/notifications/create_from_model_service/document_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/lib/api/v3/documents/document_collection_representer.rb b/modules/documents/lib/api/v3/documents/document_collection_representer.rb
index 0e457679bd..1023f6774c 100644
--- a/modules/documents/lib/api/v3/documents/document_collection_representer.rb
+++ b/modules/documents/lib/api/v3/documents/document_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/lib/api/v3/documents/documents_api.rb b/modules/documents/lib/api/v3/documents/documents_api.rb
index abfe0bd0f0..64273c8f78 100644
--- a/modules/documents/lib/api/v3/documents/documents_api.rb
+++ b/modules/documents/lib/api/v3/documents/documents_api.rb
@@ -30,7 +30,7 @@ module API
   module V3
     module Documents
       class DocumentsAPI < ::API::OpenProjectAPI
-        helpers ::API::Utilities::PageSizeHelper
+        helpers ::API::Utilities::UrlPropsParsingHelper
 
         resources :documents do
           get do
diff --git a/modules/documents/openproject-documents.gemspec b/modules/documents/openproject-documents.gemspec
index fa8cba2b94..959f6b0ae3 100644
--- a/modules/documents/openproject-documents.gemspec
+++ b/modules/documents/openproject-documents.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-documents"
   s.version     = '1.0.0'
diff --git a/modules/documents/spec/features/attachment_upload_spec.rb b/modules/documents/spec/features/attachment_upload_spec.rb
index fee04d3a71..13532af7c2 100644
--- a/modules/documents/spec/features/attachment_upload_spec.rb
+++ b/modules/documents/spec/features/attachment_upload_spec.rb
@@ -68,7 +68,7 @@ describe 'Upload attachment to documents',
 
       # adding an image
       editor.drag_attachment image_fixture.path, 'Image uploaded on creation'
-      expect(page).to have_selector('attachment-list-item', text: 'image.png')
+      expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
 
       perform_enqueued_jobs do
         click_on 'Create'
@@ -97,7 +97,7 @@ describe 'Upload attachment to documents',
       # editor.click_and_type_slowly 'abc'
       SeleniumHubWaiter.wait
       editor.drag_attachment image_fixture.path, 'Image uploaded the second time'
-      expect(page).to have_selector('attachment-list-item', text: 'image.png', count: 2)
+      expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png', count: 2)
 
       perform_enqueued_jobs do
         click_on 'Save'
@@ -107,7 +107,7 @@ describe 'Upload attachment to documents',
       expect(page).to have_selector('#content img', count: 2)
       expect(page).to have_content('Image uploaded on creation')
       expect(page).to have_content('Image uploaded the second time')
-      expect(page).to have_selector('attachment-list-item', text: 'image.png', count: 2)
+      expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png', count: 2)
 
       # Expect a mail to be sent to the user having subscribed to all notifications
       expect(ActionMailer::Base.deliveries.size)
diff --git a/modules/documents/spec/models/queries/documents/filters/project_filter_spec.rb b/modules/documents/spec/models/queries/documents/filters/project_filter_spec.rb
index 882d6273ab..9d951fa6bc 100644
--- a/modules/documents/spec/models/queries/documents/filters/project_filter_spec.rb
+++ b/modules/documents/spec/models/queries/documents/filters/project_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/spec/services/notifications/create_from_model_service_document_spec.rb b/modules/documents/spec/services/notifications/create_from_model_service_document_spec.rb
index 9a6e363881..9bcd03e0b9 100644
--- a/modules/documents/spec/services/notifications/create_from_model_service_document_spec.rb
+++ b/modules/documents/spec/services/notifications/create_from_model_service_document_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/documents/spec/services/notifications/mail_service_spec.rb b/modules/documents/spec/services/notifications/mail_service_spec.rb
index 957afd9254..951b7aab66 100644
--- a/modules/documents/spec/services/notifications/mail_service_spec.rb
+++ b/modules/documents/spec/services/notifications/mail_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/app/models/github_check_run.rb b/modules/github_integration/app/models/github_check_run.rb
index c6a2b08d04..efe092ed49 100644
--- a/modules/github_integration/app/models/github_check_run.rb
+++ b/modules/github_integration/app/models/github_check_run.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/app/models/github_pull_request.rb b/modules/github_integration/app/models/github_pull_request.rb
index eef85019b2..5c9c298bac 100644
--- a/modules/github_integration/app/models/github_pull_request.rb
+++ b/modules/github_integration/app/models/github_pull_request.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/app/models/github_user.rb b/modules/github_integration/app/models/github_user.rb
index 1b3e29b38d..eb3f75d68c 100644
--- a/modules/github_integration/app/models/github_user.rb
+++ b/modules/github_integration/app/models/github_user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/app/workers/cron/clear_old_pull_requests_job.rb b/modules/github_integration/app/workers/cron/clear_old_pull_requests_job.rb
index 35996693c0..59106e4142 100644
--- a/modules/github_integration/app/workers/cron/clear_old_pull_requests_job.rb
+++ b/modules/github_integration/app/workers/cron/clear_old_pull_requests_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/config/locales/crowdin/js-uk.yml b/modules/github_integration/config/locales/crowdin/js-uk.yml
index 39d13d9411..6582e5c886 100644
--- a/modules/github_integration/config/locales/crowdin/js-uk.yml
+++ b/modules/github_integration/config/locales/crowdin/js-uk.yml
@@ -25,17 +25,17 @@ uk:
       work_packages:
         tab_name: "GitHub"
       tab_header:
-        title: "Pull requests"
+        title: "Запити на включення"
         copy_menu:
-          label: Git snippets
-          description: Copy git snippets to clipboard
+          label: Фрагменти Git
+          description: Копіювати git-фрагменти в буфер обміну
         git_actions:
-          branch_name: Branch name
-          commit_message: Commit message
-          cmd: Create branch with empty commit
-          title: Quick snippets for Git
-          copy_success: '✅ Copied!'
-          copy_error: '❌ Copy failed!'
+          branch_name: Назва гілки
+          commit_message: Повідомлення про зміни
+          cmd: Створити гілку з пустою зміною
+          title: Швидкі фрагменти для Git
+          copy_success: '✅ Скопійовано!'
+          copy_error: '❌ Не скопійовано!'
       tab_prs:
-        empty: 'There are no pull requests linked yet. Link an existing PR by using the code <code>OP#%{wp_id}</code> in the PR description or create a new PR.'
+        empty: 'Немає прив’язаних запитів на включення. Прив''яжіть наявний PR за допомогою коду <code>OP#%{wp_id}</code> в описі PR або створіть новий PR.'
       github_actions: Дії
diff --git a/modules/github_integration/config/locales/crowdin/uk.yml b/modules/github_integration/config/locales/crowdin/uk.yml
index 2a47f0679c..ba7656cec4 100644
--- a/modules/github_integration/config/locales/crowdin/uk.yml
+++ b/modules/github_integration/config/locales/crowdin/uk.yml
@@ -21,15 +21,15 @@
 #++
 uk:
   project_module_github: "GitHub"
-  permission_show_github_content: "Show GitHub content"
+  permission_show_github_content: "Показати контент GitHub"
   github_integration:
     pull_request_opened_comment: >
-      **PR Opened:** Pull request %{pr_number} [%{pr_title}](%{pr_url}) for [%{repository}](%{repository_url}) has been opened by [%{github_user}](%{github_user_url}).
+      **Відкрито PR:** запит на включення %{pr_number} [%{pr_title}](%{pr_url}) для [%{repository}](%{repository_url}) відкрито користувачем [%{github_user}](%{github_user_url}).
     pull_request_closed_comment: >
-      **PR Closed:** Pull request %{pr_number} [%{pr_title}](%{pr_url}) for [%{repository}](%{repository_url}) has been closed by [%{github_user}](%{github_user_url}).
+      **Закрито PR:** запит на включення %{pr_number} [%{pr_title}](%{pr_url}) для [%{repository}](%{repository_url}) закрито користувачем [%{github_user}](%{github_user_url}).
     pull_request_merged_comment: >
-      **PR Merged:** Pull request %{pr_number} [%{pr_title}](%{pr_url}) for [%{repository}](%{repository_url}) has been merged by [%{github_user}](%{github_user_url}).
+      **Об’єднано PR:** запит на включення %{pr_number} [%{pr_title}](%{pr_url}) для [%{repository}](%{repository_url}) об’єднано користувачем [%{github_user}](%{github_user_url}).
     pull_request_referenced_comment: >
-      **Referenced in PR:** [%{github_user}](%{github_user_url}) referenced this work package in Pull request %{pr_number} [%{pr_title}](%{pr_url}) on [%{repository}](%{repository_url}).
+      **Додано посилання в PR:** [%{github_user}](%{github_user_url}) посилається на цей пакет робіт у запиті на включення %{pr_number} [%{pr_title}](%{pr_url}) на [%{repository}](%{repository_url}).
     pull_request_ready_for_review_comment: >
-      **PR Ready for Review:** Pull request %{pr_number} [%{pr_title}](%{pr_url}) for [%{repository}](%{repository_url}) was marked as ready for review by [%{github_user}](%{github_user_url}).
+      **Готово для перевірки PR:** запит на включення %{pr_number} [%{pr_title}](%{pr_url}) для [%{repository}](%{repository_url}) позначено як готовий до перевірки користувачем [%{github_user}](%{github_user_url}).
diff --git a/modules/github_integration/config/locales/crowdin/zh-TW.yml b/modules/github_integration/config/locales/crowdin/zh-TW.yml
index 136d9505e6..c863ca1a4e 100644
--- a/modules/github_integration/config/locales/crowdin/zh-TW.yml
+++ b/modules/github_integration/config/locales/crowdin/zh-TW.yml
@@ -21,7 +21,7 @@
 #++
 zh-TW:
   project_module_github: "GitHub"
-  permission_show_github_content: "Show GitHub content"
+  permission_show_github_content: "顯示 GitHub 內容"
   github_integration:
     pull_request_opened_comment: >
       **PR Opened:** Pull request %{pr_number} [%{pr_title}](%{pr_url}) for [%{repository}](%{repository_url}) has been opened by [%{github_user}](%{github_user_url}).
diff --git a/modules/github_integration/lib/api/v3/github_pull_requests/github_pull_request_collection_representer.rb b/modules/github_integration/lib/api/v3/github_pull_requests/github_pull_request_collection_representer.rb
index 31aa5e113f..d97959cc46 100644
--- a/modules/github_integration/lib/api/v3/github_pull_requests/github_pull_request_collection_representer.rb
+++ b/modules/github_integration/lib/api/v3/github_pull_requests/github_pull_request_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/lib/api/v3/github_pull_requests/github_pull_requests_by_work_package_api.rb b/modules/github_integration/lib/api/v3/github_pull_requests/github_pull_requests_by_work_package_api.rb
index 46baa1a10f..65eeb5ae40 100644
--- a/modules/github_integration/lib/api/v3/github_pull_requests/github_pull_requests_by_work_package_api.rb
+++ b/modules/github_integration/lib/api/v3/github_pull_requests/github_pull_requests_by_work_package_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/lib/open_project/github_integration/engine.rb b/modules/github_integration/lib/open_project/github_integration/engine.rb
index 22478a19f5..66919d7387 100644
--- a/modules/github_integration/lib/open_project/github_integration/engine.rb
+++ b/modules/github_integration/lib/open_project/github_integration/engine.rb
@@ -61,7 +61,7 @@ module OpenProject::GithubIntegration
     initializer 'github.permissions' do
       OpenProject::AccessControl.map do |ac_map|
         ac_map.project_module(:github, dependencies: :work_package_tracking) do |pm_map|
-          pm_map.permission(:show_github_content, {}, {})
+          pm_map.permission(:show_github_content, {})
         end
       end
     end
diff --git a/modules/github_integration/lib/open_project/github_integration/services/upsert_check_run.rb b/modules/github_integration/lib/open_project/github_integration/services/upsert_check_run.rb
index edafc3c286..5f6809d2e1 100644
--- a/modules/github_integration/lib/open_project/github_integration/services/upsert_check_run.rb
+++ b/modules/github_integration/lib/open_project/github_integration/services/upsert_check_run.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/lib/open_project/github_integration/services/upsert_github_user.rb b/modules/github_integration/lib/open_project/github_integration/services/upsert_github_user.rb
index 21901d7e4b..d493fd6afb 100644
--- a/modules/github_integration/lib/open_project/github_integration/services/upsert_github_user.rb
+++ b/modules/github_integration/lib/open_project/github_integration/services/upsert_github_user.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/lib/open_project/github_integration/services/upsert_partial_pull_request.rb b/modules/github_integration/lib/open_project/github_integration/services/upsert_partial_pull_request.rb
index 7179f785c5..2fe80c25a0 100644
--- a/modules/github_integration/lib/open_project/github_integration/services/upsert_partial_pull_request.rb
+++ b/modules/github_integration/lib/open_project/github_integration/services/upsert_partial_pull_request.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/lib/open_project/github_integration/services/upsert_pull_request.rb b/modules/github_integration/lib/open_project/github_integration/services/upsert_pull_request.rb
index e0be74bc18..6687fb6d00 100644
--- a/modules/github_integration/lib/open_project/github_integration/services/upsert_pull_request.rb
+++ b/modules/github_integration/lib/open_project/github_integration/services/upsert_pull_request.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/github_integration/openproject-github_integration.gemspec b/modules/github_integration/openproject-github_integration.gemspec
index 34eca0b500..047149e298 100644
--- a/modules/github_integration/openproject-github_integration.gemspec
+++ b/modules/github_integration/openproject-github_integration.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-github_integration"
   s.version     = '1.0.0'
diff --git a/modules/github_integration/spec/workers/cron/clear_old_pull_requests_job_spec.rb b/modules/github_integration/spec/workers/cron/clear_old_pull_requests_job_spec.rb
index 96bdf90907..df9bc2d9a8 100644
--- a/modules/github_integration/spec/workers/cron/clear_old_pull_requests_job_spec.rb
+++ b/modules/github_integration/spec/workers/cron/clear_old_pull_requests_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/contracts/grids/base_contract.rb b/modules/grids/app/contracts/grids/base_contract.rb
index 54145f62d6..83c2b69a2a 100644
--- a/modules/grids/app/contracts/grids/base_contract.rb
+++ b/modules/grids/app/contracts/grids/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/contracts/grids/create_contract.rb b/modules/grids/app/contracts/grids/create_contract.rb
index ae2c15380b..13b6668fa6 100644
--- a/modules/grids/app/contracts/grids/create_contract.rb
+++ b/modules/grids/app/contracts/grids/create_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/contracts/grids/delete_contract.rb b/modules/grids/app/contracts/grids/delete_contract.rb
index 08b26c75c8..1f2d38e180 100644
--- a/modules/grids/app/contracts/grids/delete_contract.rb
+++ b/modules/grids/app/contracts/grids/delete_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/contracts/grids/update_contract.rb b/modules/grids/app/contracts/grids/update_contract.rb
index 77138bee09..985dcfe324 100644
--- a/modules/grids/app/contracts/grids/update_contract.rb
+++ b/modules/grids/app/contracts/grids/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/controllers/api/v3/grids/grids_api.rb b/modules/grids/app/controllers/api/v3/grids/grids_api.rb
index 82cfaf78d5..7422f749ed 100644
--- a/modules/grids/app/controllers/api/v3/grids/grids_api.rb
+++ b/modules/grids/app/controllers/api/v3/grids/grids_api.rb
@@ -32,7 +32,7 @@ module API
       class GridsAPI < ::API::OpenProjectAPI
         resources :grids do
           helpers do
-            include API::Utilities::PageSizeHelper
+            include API::Utilities::UrlPropsParsingHelper
           end
 
           get do
diff --git a/modules/grids/app/models/grids/grid.rb b/modules/grids/app/models/grids/grid.rb
index fa0e7332c7..d78b3514ee 100644
--- a/modules/grids/app/models/grids/grid.rb
+++ b/modules/grids/app/models/grids/grid.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/models/grids/widget.rb b/modules/grids/app/models/grids/widget.rb
index 60a73bae0f..8a220714b4 100644
--- a/modules/grids/app/models/grids/widget.rb
+++ b/modules/grids/app/models/grids/widget.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/queries/grids/filters/grid_filter.rb b/modules/grids/app/queries/grids/filters/grid_filter.rb
index 5b7dc4dec9..6ac11c2edc 100644
--- a/modules/grids/app/queries/grids/filters/grid_filter.rb
+++ b/modules/grids/app/queries/grids/filters/grid_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/queries/grids/filters/page_filter.rb b/modules/grids/app/queries/grids/filters/page_filter.rb
index 41e577945e..46d083ed24 100644
--- a/modules/grids/app/queries/grids/filters/page_filter.rb
+++ b/modules/grids/app/queries/grids/filters/page_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/queries/grids/filters/scope_filter.rb b/modules/grids/app/queries/grids/filters/scope_filter.rb
index e7af193323..93e289aff6 100644
--- a/modules/grids/app/queries/grids/filters/scope_filter.rb
+++ b/modules/grids/app/queries/grids/filters/scope_filter.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/representers/api/v3/grids/create_form_representer.rb b/modules/grids/app/representers/api/v3/grids/create_form_representer.rb
index 63cce4f885..e0be7f50d7 100644
--- a/modules/grids/app/representers/api/v3/grids/create_form_representer.rb
+++ b/modules/grids/app/representers/api/v3/grids/create_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/representers/api/v3/grids/form_representer.rb b/modules/grids/app/representers/api/v3/grids/form_representer.rb
index d6edc502c3..0e7df0ed49 100644
--- a/modules/grids/app/representers/api/v3/grids/form_representer.rb
+++ b/modules/grids/app/representers/api/v3/grids/form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/representers/api/v3/grids/grid_collection_representer.rb b/modules/grids/app/representers/api/v3/grids/grid_collection_representer.rb
index 89f34cbdb7..f51105f63b 100644
--- a/modules/grids/app/representers/api/v3/grids/grid_collection_representer.rb
+++ b/modules/grids/app/representers/api/v3/grids/grid_collection_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/representers/api/v3/grids/grid_payload_representer.rb b/modules/grids/app/representers/api/v3/grids/grid_payload_representer.rb
index c69eb00704..2697804525 100644
--- a/modules/grids/app/representers/api/v3/grids/grid_payload_representer.rb
+++ b/modules/grids/app/representers/api/v3/grids/grid_payload_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/representers/api/v3/grids/schemas/grid_schema_representer.rb b/modules/grids/app/representers/api/v3/grids/schemas/grid_schema_representer.rb
index baed6e4337..4408ca49ce 100644
--- a/modules/grids/app/representers/api/v3/grids/schemas/grid_schema_representer.rb
+++ b/modules/grids/app/representers/api/v3/grids/schemas/grid_schema_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/representers/api/v3/grids/update_form_representer.rb b/modules/grids/app/representers/api/v3/grids/update_form_representer.rb
index 8da0334c3e..53db90a208 100644
--- a/modules/grids/app/representers/api/v3/grids/update_form_representer.rb
+++ b/modules/grids/app/representers/api/v3/grids/update_form_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/services/grids/create_service.rb b/modules/grids/app/services/grids/create_service.rb
index e349561071..8e135cca38 100644
--- a/modules/grids/app/services/grids/create_service.rb
+++ b/modules/grids/app/services/grids/create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/services/grids/delete_service.rb b/modules/grids/app/services/grids/delete_service.rb
index 161494f079..37217823fc 100644
--- a/modules/grids/app/services/grids/delete_service.rb
+++ b/modules/grids/app/services/grids/delete_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/services/grids/set_attributes_service.rb b/modules/grids/app/services/grids/set_attributes_service.rb
index 08a98c5aa2..73d4712443 100644
--- a/modules/grids/app/services/grids/set_attributes_service.rb
+++ b/modules/grids/app/services/grids/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/app/services/grids/update_service.rb b/modules/grids/app/services/grids/update_service.rb
index e87d581acf..53f4fc4db1 100644
--- a/modules/grids/app/services/grids/update_service.rb
+++ b/modules/grids/app/services/grids/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/config/locales/crowdin/js-de.yml b/modules/grids/config/locales/crowdin/js-de.yml
index 2684bbf710..5834d6de94 100644
--- a/modules/grids/config/locales/crowdin/js-de.yml
+++ b/modules/grids/config/locales/crowdin/js-de.yml
@@ -31,13 +31,13 @@ de:
           no_results: 'Für Projekte wurden keine benutzerdefinierten Felder definiert.'
         project_status:
           title: 'Projekt-Status'
-          not_started: 'Not started'
+          not_started: 'Nicht gestartet'
           on_track: 'Planmäßig'
           off_track: 'Unplanmäßig'
           at_risk: 'Gefährdet'
           not_set: 'Nicht gesetzt'
-          finished: 'Finished'
-          discontinued: 'Discontinued'
+          finished: 'Abgeschlossen'
+          discontinued: 'Eingestellt'
         subprojects:
           title: 'Unterprojekte'
           no_results: 'Keine Unterprojekte.'
diff --git a/modules/grids/config/locales/crowdin/js-uk.yml b/modules/grids/config/locales/crowdin/js-uk.yml
index 67103e4682..611474e676 100644
--- a/modules/grids/config/locales/crowdin/js-uk.yml
+++ b/modules/grids/config/locales/crowdin/js-uk.yml
@@ -3,7 +3,7 @@ uk:
     grid:
       add_widget: 'Додати віджет'
       remove: 'Видалити віджет'
-      configure: 'Configure widget'
+      configure: 'Налаштувати віджет'
       upsale:
         text: "Деякі віджети, доступні тільки в "
         link: 'Enterprise Edition'
@@ -31,19 +31,19 @@ uk:
           no_results: 'У проектів немає жодних власних полів.'
         project_status:
           title: 'Статус Проекту'
-          not_started: 'Not started'
-          on_track: 'On track'
-          off_track: 'Off track'
-          at_risk: 'At risk'
+          not_started: 'Не почато'
+          on_track: 'За графіком'
+          off_track: 'Не за графіком'
+          at_risk: 'Під загрозою'
           not_set: 'Не встановлено'
-          finished: 'Finished'
-          discontinued: 'Discontinued'
+          finished: 'Завершено'
+          discontinued: 'Припинено'
         subprojects:
           title: 'Підпроекти'
           no_results: 'Немає підпроектів.'
         time_entries_current_user:
           title: 'Мій витрачений час'
-          displayed_days: 'Days displayed in the widget:'
+          displayed_days: 'Днів, доступних у віджеті:'
         time_entries_list:
           title: 'Витрачений час (останні 7 днів)'
           no_results: 'Немає записів часу за останні 7 днів.'
diff --git a/modules/grids/config/locales/crowdin/uk.yml b/modules/grids/config/locales/crowdin/uk.yml
index 6fb065f511..2be93e915b 100644
--- a/modules/grids/config/locales/crowdin/uk.yml
+++ b/modules/grids/config/locales/crowdin/uk.yml
@@ -1,6 +1,6 @@
 uk:
   grids:
-    label_widget_in_grid: "Widget contained in Grid %{grid_name}"
+    label_widget_in_grid: "Віджет, що міститься в сітці %{grid_name}"
   activerecord:
     attributes:
       grids/grid:
diff --git a/modules/grids/grids.gemspec b/modules/grids/grids.gemspec
index e0ca0ce324..b498e833d0 100644
--- a/modules/grids/grids.gemspec
+++ b/modules/grids/grids.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "grids"
   s.version     = '1.0.0'
diff --git a/modules/grids/lib/grids/configuration.rb b/modules/grids/lib/grids/configuration.rb
index 5b8f721d85..6cd151b399 100644
--- a/modules/grids/lib/grids/configuration.rb
+++ b/modules/grids/lib/grids/configuration.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/lib/grids/configuration/registration.rb b/modules/grids/lib/grids/configuration/registration.rb
index 4192861e23..4776bfd365 100644
--- a/modules/grids/lib/grids/configuration/registration.rb
+++ b/modules/grids/lib/grids/configuration/registration.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/lib/grids/configuration/widget_strategy.rb b/modules/grids/lib/grids/configuration/widget_strategy.rb
index aafd1461ea..055d80b09e 100644
--- a/modules/grids/lib/grids/configuration/widget_strategy.rb
+++ b/modules/grids/lib/grids/configuration/widget_strategy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/lib/grids/engine.rb b/modules/grids/lib/grids/engine.rb
index bad10fe230..3d4a4c6a32 100644
--- a/modules/grids/lib/grids/engine.rb
+++ b/modules/grids/lib/grids/engine.rb
@@ -7,9 +7,9 @@ module Grids
     end
 
     config.to_prepare do
-      query = Grids::Query
-
-      Queries::Register.filter query, Grids::Filters::ScopeFilter
+      Queries::Register.register(Grids::Query) do
+        filter Grids::Filters::ScopeFilter
+      end
     end
   end
 end
diff --git a/modules/grids/lib/grids/factory.rb b/modules/grids/lib/grids/factory.rb
index 2221df21ad..d8180c9594 100644
--- a/modules/grids/lib/grids/factory.rb
+++ b/modules/grids/lib/grids/factory.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/spec/contracts/grids/create_contract_spec.rb b/modules/grids/spec/contracts/grids/create_contract_spec.rb
index 1315af7fb2..7015f51718 100644
--- a/modules/grids/spec/contracts/grids/create_contract_spec.rb
+++ b/modules/grids/spec/contracts/grids/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/spec/contracts/grids/delete_contract_spec.rb b/modules/grids/spec/contracts/grids/delete_contract_spec.rb
index e3932b9595..b1928dfe06 100644
--- a/modules/grids/spec/contracts/grids/delete_contract_spec.rb
+++ b/modules/grids/spec/contracts/grids/delete_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/spec/contracts/grids/shared_examples.rb b/modules/grids/spec/contracts/grids/shared_examples.rb
index cbe1db730a..d3eaac6b34 100644
--- a/modules/grids/spec/contracts/grids/shared_examples.rb
+++ b/modules/grids/spec/contracts/grids/shared_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/spec/contracts/grids/update_contract_spec.rb b/modules/grids/spec/contracts/grids/update_contract_spec.rb
index 287ee28406..4cc99cdf99 100644
--- a/modules/grids/spec/contracts/grids/update_contract_spec.rb
+++ b/modules/grids/spec/contracts/grids/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/spec/services/grids/create_service_spec.rb b/modules/grids/spec/services/grids/create_service_spec.rb
index 802f2934e4..3632d2733a 100644
--- a/modules/grids/spec/services/grids/create_service_spec.rb
+++ b/modules/grids/spec/services/grids/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/spec/services/grids/set_attributes_service_spec.rb b/modules/grids/spec/services/grids/set_attributes_service_spec.rb
index c661b46a5f..f5d4db7b01 100644
--- a/modules/grids/spec/services/grids/set_attributes_service_spec.rb
+++ b/modules/grids/spec/services/grids/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/grids/spec/services/grids/update_service_spec.rb b/modules/grids/spec/services/grids/update_service_spec.rb
index 423c002551..c3e95511ef 100644
--- a/modules/grids/spec/services/grids/update_service_spec.rb
+++ b/modules/grids/spec/services/grids/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/app/workers/job_status/application_job_with_status.rb b/modules/job_status/app/workers/job_status/application_job_with_status.rb
index abdffe2a59..f1ddc763b1 100644
--- a/modules/job_status/app/workers/job_status/application_job_with_status.rb
+++ b/modules/job_status/app/workers/job_status/application_job_with_status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/app/workers/job_status/cron/clear_old_job_status_job.rb b/modules/job_status/app/workers/job_status/cron/clear_old_job_status_job.rb
index b57dc39931..4c3ee5cd5d 100644
--- a/modules/job_status/app/workers/job_status/cron/clear_old_job_status_job.rb
+++ b/modules/job_status/app/workers/job_status/cron/clear_old_job_status_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/lib/api/v3/job_status/job_status_api.rb b/modules/job_status/lib/api/v3/job_status/job_status_api.rb
index 0077d7d97e..b70c78ebc4 100644
--- a/modules/job_status/lib/api/v3/job_status/job_status_api.rb
+++ b/modules/job_status/lib/api/v3/job_status/job_status_api.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/lib/api/v3/job_status/job_status_representer.rb b/modules/job_status/lib/api/v3/job_status/job_status_representer.rb
index 11016154ba..115976d02d 100644
--- a/modules/job_status/lib/api/v3/job_status/job_status_representer.rb
+++ b/modules/job_status/lib/api/v3/job_status/job_status_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/lib/open_project/job_status.rb b/modules/job_status/lib/open_project/job_status.rb
index 5dbf60a1ee..3b426780a7 100644
--- a/modules/job_status/lib/open_project/job_status.rb
+++ b/modules/job_status/lib/open_project/job_status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/lib/open_project/job_status/engine.rb b/modules/job_status/lib/open_project/job_status/engine.rb
index 15b90eee4c..7d09fb4a72 100644
--- a/modules/job_status/lib/open_project/job_status/engine.rb
+++ b/modules/job_status/lib/open_project/job_status/engine.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/lib/open_project/job_status/event_listener.rb b/modules/job_status/lib/open_project/job_status/event_listener.rb
index 6adae61412..06bde1e6ee 100644
--- a/modules/job_status/lib/open_project/job_status/event_listener.rb
+++ b/modules/job_status/lib/open_project/job_status/event_listener.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/lib/openproject-job_status.rb b/modules/job_status/lib/openproject-job_status.rb
index a2b98f825e..bfeb6ed484 100644
--- a/modules/job_status/lib/openproject-job_status.rb
+++ b/modules/job_status/lib/openproject-job_status.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/job_status/openproject-job_status.gemspec b/modules/job_status/openproject-job_status.gemspec
index 597a7306bf..aa0a433afa 100644
--- a/modules/job_status/openproject-job_status.gemspec
+++ b/modules/job_status/openproject-job_status.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = 'openproject-job_status'
   s.version     = '1.0.0'
diff --git a/modules/job_status/spec/services/documents/update_service_spec.rb b/modules/job_status/spec/services/documents/update_service_spec.rb
index a8d298e6f7..61e6acb2e4 100644
--- a/modules/job_status/spec/services/documents/update_service_spec.rb
+++ b/modules/job_status/spec/services/documents/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/ldap_groups/app/views/ldap_groups/synchronized_groups/upsale.html.erb b/modules/ldap_groups/app/views/ldap_groups/synchronized_groups/upsale.html.erb
index 8c118f3a33..6cb581a075 100644
--- a/modules/ldap_groups/app/views/ldap_groups/synchronized_groups/upsale.html.erb
+++ b/modules/ldap_groups/app/views/ldap_groups/synchronized_groups/upsale.html.erb
@@ -1,30 +1,10 @@
 <% html_title(t(:label_administration), t('ldap_groups.synchronized_groups.plural')) -%>
 
-<%= breadcrumb_toolbar(t('ldap_groups.synchronized_groups.plural')) %>
-<div class="op-toast upsale-notification">
-  <div class="op-toast--content">
-    <h3><%= t('admin.enterprise.upgrade_to_ee') %></h3>
-    <%= image_tag "enterprise_edition.png", class: "widget-box--teaser-image" %>
-
-    <p><%= t('js.admin.enterprise.upsale.benefits.description') %></p>
-
-    <ul class="">
-      <li>
-        <%= t('js.admin.enterprise.upsale.benefits.premium_features_text') %>
-      </li>
-      <li>
-        <%= t('js.admin.enterprise.upsale.benefits.professional_support_text') %>
-      </li>
-    </ul>
-    <p>
-      <b><%= t('js.admin.enterprise.upsale.become_hero') %></b> <%= t('js.admin.enterprise.upsale.you_contribute') %>
-    </p>
-    <%= link_to( "#{OpenProject::Static::Links.links[:upsale][:href]}/?utm_source=unknown&utm_medium=community-edition&utm_campaign=enterprise-ldap-groups",
-                 { class: 'button -alt-highlight',
-                   aria: {label: t('admin.enterprise.order')},
-                   title: t('admin.enterprise.order')}) do %>
-      <%= op_icon('button--icon icon-add') %>
-      <span class="button--text"><%= t('admin.enterprise.order') %></span>
-    <% end %>
-  </div>
-</div>
+<%= render template: 'common/upsale',
+           locals: {
+               feature_title:  t('ldap_groups.synchronized_groups.plural'),
+               feature_description: '',
+               feature_reference: 'enterprise-ldap-groups',
+               feature_image: '',
+               feature_video: ''
+           } %>
diff --git a/modules/ldap_groups/app/workers/ldap_groups/synchronization_job.rb b/modules/ldap_groups/app/workers/ldap_groups/synchronization_job.rb
index 49f351a246..cf1944c95e 100644
--- a/modules/ldap_groups/app/workers/ldap_groups/synchronization_job.rb
+++ b/modules/ldap_groups/app/workers/ldap_groups/synchronization_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/ldap_groups/config/locales/crowdin/uk.yml b/modules/ldap_groups/config/locales/crowdin/uk.yml
index 4fe55ff489..2a0345d05e 100644
--- a/modules/ldap_groups/config/locales/crowdin/uk.yml
+++ b/modules/ldap_groups/config/locales/crowdin/uk.yml
@@ -3,68 +3,67 @@ uk:
     attributes:
       ldap_groups/synchronized_group:
         dn: 'DN'
-        auth_source: 'LDAP connection'
-        sync_users: 'Sync users'
+        auth_source: 'LDAP-підключення'
+        sync_users: 'Синхронізація користувачів'
       ldap_groups/synchronized_filter:
-        filter_string: 'LDAP filter'
-        auth_source: 'LDAP connection'
-        group_name_attribute: "Group name attribute"
-        sync_users: 'Sync users'
-        base_dn: "Search base DN"
+        filter_string: 'Фільтр LDAP'
+        auth_source: 'LDAP-підключення'
+        group_name_attribute: "Атрибут назви групи"
+        sync_users: 'Синхронізація користувачів'
+        base_dn: "База пошуку унікальних імен"
     models:
-      ldap_groups/synchronized_group: 'Synchronized LDAP group'
-      ldap_groups/synchronized_filter: 'LDAP Group synchronization filter'
+      ldap_groups/synchronized_group: 'Синхронізована група LDAP'
+      ldap_groups/synchronized_filter: 'Фільтр синхронізації групи LDAP'
     errors:
       models:
         ldap_groups/synchronized_filter:
-          must_contain_base_dn: "Filter base DN must be contained within the LDAP connection's base DN"
+          must_contain_base_dn: "Базове унікальне ім‘я фільтра має входити в базове унікальне ім’я LDAP-підключення "
   ldap_groups:
-    label_menu_item: 'LDAP group synchronization'
-    label_group_key: 'LDAP group filter key'
-    label_synchronize: 'Synchronize'
+    label_menu_item: 'Синхронізація групи LDAP'
+    label_group_key: 'Ключ фільтра LDAP-групи'
+    label_synchronize: 'Синхронізувати'
     settings:
-      name_attribute: 'LDAP groups name attribute'
-      name_attribute_text: 'The LDAP attribute used for naming the OpenProject group when created by a filter'
+      name_attribute: 'Атрибут назви груп LDAP'
+      name_attribute_text: 'Атрибут LDAP, який використовується для іменування групи OpenProject під час створення фільтром'
     synchronized_filters:
-      add_new: 'Add synchronized LDAP filter'
-      singular: 'LDAP Group synchronization filter'
-      plural: 'LDAP Group synchronization filters'
+      add_new: 'Додати синхронізований фільтр LDAP'
+      singular: 'Фільтр синхронізації групи LDAP'
+      plural: 'Фільтри синхронізації групи LDAP'
       label_n_groups_found:
-        one: "1 group found by the filter"
-        other: "%{count} groups found by the filter"
-        zero: "No groups were found by the filter"
+        one: "Знайдено 1 групу за фільтром"
+        other: "Знайдено груп за фільтром: %{count}"
+        zero: "Груп за фільтром не знайдено"
       destroy:
-        title: 'Remove synchronized filter %{name}'
-        confirmation: "If you continue, the synchronized filter %{name} and all groups %{groups_count} created through it will be removed."
-        removed_groups: "Warning: This will remove the following groups from OpenProject and remove it from all projects!"
-        verification: "Enter the filter name %{name} to verify the deletion."
+        title: 'Вилучити синхронізований фільтр %{name}'
+        confirmation: "Якщо ви продовжите, синхронізований фільтр %{name} і всі групи (%{groups_count}), створені через нього, буде вилучено."
+        removed_groups: "Увага! Це призведе до вилучення наведених нижче груп з OpenProject і з усіх проєктів!"
+        verification: "Введіть назву фільтра %{name}, щоб підтвердити видалення."
       form:
-        group_name_attribute_text: 'Enter the attribute of the LDAP group used for setting the OpenProject group name.'
-        filter_string_text: 'Enter the RFC4515 LDAP filter that returns groups in your LDAP to synchronize with OpenProject.'
+        group_name_attribute_text: 'Введіть атрибут групи LDAP, що використовується для встановлення назви групи OpenProject.'
+        filter_string_text: 'Введіть LDAP-фільтр RFC4515, який повертає групи у ваш протокол LDAP, щоб виконати синхронізацію з OpenProject.'
         base_dn_text: >
-          Enter the search base DN to use for this filter. It needs to be below the base DN of the selected LDAP connection.
-          Leave this option empty to reuse the base DN of the connection
+          Введіть унікальне ім’я бази даних, щоб використовувати цей фільтр. Його має бути розташовано під базовим унікальним іменем вибраного LDAP-підключення.
+          Не вказуйте тут нічого, щоб повторно використовувати базове унікальне ім’я підключення
     synchronized_groups:
-      add_new: 'Add synchronized LDAP group'
+      add_new: 'Додати синхронізовану групу LDAP'
       destroy:
-        title: 'Remove synchronized group %{name}'
-        confirmation: "If you continue, the synchronized group %{name} and all %{users_count} users synchronized through it will be removed."
-        info: "Note: The OpenProject group itself and members added outside this LDAP synchronization will not be removed."
-        verification: "Enter the group's name %{name} to verify the deletion."
+        title: 'Вилучити синхронізовану групу %{name}'
+        confirmation: "Якщо ви продовжите, синхронізовану групу %{name} і всіх користувачі (%{users_count}), синхронізованих через неї, буде вилучено."
+        info: "Примітка: групу OpenProject і учасників, доданих з-поза меж цієї синхронізації LDAP,  не буде вилучено."
+        verification: "Введіть назву групи %{name}, щоб підтвердити видалення."
       help_text_html: |
-        This module allows you to set up a synchronization between LDAP and OpenProject groups.
-        It depends on LDAP groups need to use the <em>groupOfNames / memberOf</em> attribute set to be working with OpenProject.
-        <br/>
-        Groups are synchronized hourly through a cron job.
-        <a href="https://www.openproject.org/help/administration/manage-ldap-authentication/">Please see our documentation on this topic</a>.
-      no_results: 'No synchronized groups found.'
-      no_members: 'This group has no synchronized members yet.'
-      plural: 'Synchronized LDAP groups'
-      singular: 'Synchronized LDAP group'
+        Цей модуль дає змогу налаштувати синхронізацію між групами LDAP і OpenProject.
+        Це залежить від того, чи має LDAP-група використовувати набір атрибутів <em>groupOfNames / memberOf</em> для роботи з OpenProject.
+        Групи синхронізуються щогодини через заплановане завдання.
+        <a href="https://www.openproject.org/help/administration/manage-ldap-authentication/">Перегляньте нашу документацію з цієї теми</a>.
+      no_results: 'Не знайдено синхронізованих груп.'
+      no_members: 'У цієї групи поки немає синхронізованих учасників.'
+      plural: 'Синхронізовані групи LDAP'
+      singular: 'Синхронізована група LDAP'
       form:
-        auth_source_text: 'Select which LDAP connection should be used.'
+        auth_source_text: 'Виберіть, яке LDAP-підключення використовувати.'
         sync_users_text: >
-          If you enable this option, found users will also be automatically created in OpenProject. Without it, only existing accounts in OpenProject will be added to groups.
-        dn_text: 'Enter the full DN of the group in LDAP'
-        group_text: 'Select an existing OpenProject group that members of the LDAP group shall be synchronized with'
+          Якщо ви ввімкнете цей параметр, знайдені користувачі також автоматично створюватимуться в OpenProject. Інакше в групи додаватимуться лише наявні облікові записи в OpenProject.
+        dn_text: 'Введіть повне унікальне ім’я групи в LDAP'
+        group_text: 'Виберіть наявну групу OpenProject, з якою потрібно синхронізувати учасників групи LDAP'
 
diff --git a/modules/ldap_groups/config/locales/crowdin/zh-TW.yml b/modules/ldap_groups/config/locales/crowdin/zh-TW.yml
index 67b4dd61cf..eae5a0ae61 100644
--- a/modules/ldap_groups/config/locales/crowdin/zh-TW.yml
+++ b/modules/ldap_groups/config/locales/crowdin/zh-TW.yml
@@ -4,22 +4,22 @@ zh-TW:
       ldap_groups/synchronized_group:
         dn: '獨特名'
         auth_source: 'LDAP 連線'
-        sync_users: 'Sync users'
+        sync_users: '同步使用者'
       ldap_groups/synchronized_filter:
         filter_string: '簡約登入目錄制約(LDAP)篩選'
         auth_source: 'LDAP 連線'
         group_name_attribute: "群組名字屬性"
-        sync_users: 'Sync users'
-        base_dn: "Search base DN"
+        sync_users: '同步使用者'
+        base_dn: "搜尋基礎 DN"
     models:
-      ldap_groups/synchronized_group: 'Synchronized LDAP group'
+      ldap_groups/synchronized_group: '同步的 LDAP 群組'
       ldap_groups/synchronized_filter: 'LDAP群組同步篩選'
     errors:
       models:
         ldap_groups/synchronized_filter:
-          must_contain_base_dn: "Filter base DN must be contained within the LDAP connection's base DN"
+          must_contain_base_dn: "搜尋基礎 DN 須包含在 LDAP 連接的基礎 DN 中"
   ldap_groups:
-    label_menu_item: 'LDAP group synchronization'
+    label_menu_item: 'LDAP 群組同步'
     label_group_key: 'LDAP group filter key'
     label_synchronize: '同步'
     settings:
@@ -30,9 +30,9 @@ zh-TW:
       singular: 'LDAP群組同步篩選'
       plural: 'LDAP群組同步篩選'
       label_n_groups_found:
-        one: "1 group found by the filter"
-        other: "%{count} groups found by the filter"
-        zero: "No groups were found by the filter"
+        one: "篩選器找到了 1 個群組"
+        other: "篩選器找到了 %{count} 個群組"
+        zero: "篩選器找不到任何群組"
       destroy:
         title: '移除同步篩選 %{name}'
         confirmation: "如果繼續,本同步篩選 %{name} 和藉此創建的群組 %{groups_count} 將會刪除"
@@ -40,15 +40,14 @@ zh-TW:
         verification: "輸入篩選名稱 %{name} 以確定刪除"
       form:
         group_name_attribute_text: '輸入用於設定OpenProject群組名的LDAP群組屬性'
-        filter_string_text: 'Enter the RFC4515 LDAP filter that returns groups in your LDAP to synchronize with OpenProject.'
+        filter_string_text: '輸入 RFC4515 LDAP 篩選器，以返回 LDAP 中的群組同步至 OpenProject。'
         base_dn_text: >
-          Enter the search base DN to use for this filter. It needs to be below the base DN of the selected LDAP connection.
-          Leave this option empty to reuse the base DN of the connection
+          輸入用於此篩選器的搜尋基礎 DN，它必須在所選的 LDAP 連接的基礎 DN 之下。將此選項留空以使用連接的基礎 DN
     synchronized_groups:
-      add_new: 'Add synchronized LDAP group'
+      add_new: '新增同步的 LDAP 群組'
       destroy:
-        title: 'Remove synchronized group %{name}'
-        confirmation: "If you continue, the synchronized group %{name} and all %{users_count} users synchronized through it will be removed."
+        title: '移除同步的群組 %{name}'
+        confirmation: "如繼續，將移除同步的群組 %{name} 和所有透過該群組同步的全部 %{users_count} 個用戶。"
         info: "Note: The OpenProject group itself and members added outside this LDAP synchronization will not be removed."
         verification: "Enter the group's name %{name} to verify the deletion."
       help_text_html: |
@@ -59,12 +58,12 @@ zh-TW:
         <a href="https://www.openproject.org/help/administration/manage-ldap-authentication/">Please see our documentation on this topic</a>.
       no_results: '找不到同步的群組。'
       no_members: '這個群組還沒有同步的成員。'
-      plural: 'Synchronized LDAP groups'
-      singular: 'Synchronized LDAP group'
+      plural: '同步的 LDAP 群組'
+      singular: '同步的 LDAP 群組'
       form:
-        auth_source_text: 'Select which LDAP connection should be used.'
+        auth_source_text: '選擇要使用的 LDAP 連接。'
         sync_users_text: >
           If you enable this option, found users will also be automatically created in OpenProject. Without it, only existing accounts in OpenProject will be added to groups.
-        dn_text: 'Enter the full DN of the group in LDAP'
+        dn_text: '輸入 LDAP 中群組的完成 DN'
         group_text: 'Select an existing OpenProject group that members of the LDAP group shall be synchronized with'
 
diff --git a/modules/ldap_groups/lib/tasks/ldap_groups.rake b/modules/ldap_groups/lib/tasks/ldap_groups.rake
index 410bfb63ae..df7f5440f2 100644
--- a/modules/ldap_groups/lib/tasks/ldap_groups.rake
+++ b/modules/ldap_groups/lib/tasks/ldap_groups.rake
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/ldap_groups/openproject-ldap_groups.gemspec b/modules/ldap_groups/openproject-ldap_groups.gemspec
index 0913689f1e..88f49728a5 100644
--- a/modules/ldap_groups/openproject-ldap_groups.gemspec
+++ b/modules/ldap_groups/openproject-ldap_groups.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-ldap_groups"
   s.version     = '1.0.0'
diff --git a/modules/meeting/app/contracts/meeting_contents/base_contract.rb b/modules/meeting/app/contracts/meeting_contents/base_contract.rb
index fff557df19..e29e5186c3 100644
--- a/modules/meeting/app/contracts/meeting_contents/base_contract.rb
+++ b/modules/meeting/app/contracts/meeting_contents/base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/app/contracts/meeting_contents/update_contract.rb b/modules/meeting/app/contracts/meeting_contents/update_contract.rb
index 6584f4747c..2d57f64efe 100644
--- a/modules/meeting/app/contracts/meeting_contents/update_contract.rb
+++ b/modules/meeting/app/contracts/meeting_contents/update_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/app/models/activities/meeting_activity_provider.rb b/modules/meeting/app/models/activities/meeting_activity_provider.rb
index 9c4b0dae08..29cf32d077 100644
--- a/modules/meeting/app/models/activities/meeting_activity_provider.rb
+++ b/modules/meeting/app/models/activities/meeting_activity_provider.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/app/models/journal/meeting_content_journal.rb b/modules/meeting/app/models/journal/meeting_content_journal.rb
index 7fb0ab7d4f..2a18c5f735 100644
--- a/modules/meeting/app/models/journal/meeting_content_journal.rb
+++ b/modules/meeting/app/models/journal/meeting_content_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/app/models/journal/meeting_journal.rb b/modules/meeting/app/models/journal/meeting_journal.rb
index 3ad01f808f..f7a325c17e 100644
--- a/modules/meeting/app/models/journal/meeting_journal.rb
+++ b/modules/meeting/app/models/journal/meeting_journal.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/app/services/meeting_contents/set_attributes_service.rb b/modules/meeting/app/services/meeting_contents/set_attributes_service.rb
index 728833a447..afbc8dde16 100644
--- a/modules/meeting/app/services/meeting_contents/set_attributes_service.rb
+++ b/modules/meeting/app/services/meeting_contents/set_attributes_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/app/services/meeting_contents/update_service.rb b/modules/meeting/app/services/meeting_contents/update_service.rb
index 65ba9f59d6..1545931ad2 100644
--- a/modules/meeting/app/services/meeting_contents/update_service.rb
+++ b/modules/meeting/app/services/meeting_contents/update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/config/locales/crowdin/uk.yml b/modules/meeting/config/locales/crowdin/uk.yml
index ba44cd8663..73568d339e 100644
--- a/modules/meeting/config/locales/crowdin/uk.yml
+++ b/modules/meeting/config/locales/crowdin/uk.yml
@@ -64,7 +64,7 @@ uk:
   label_time_zone: "Часовий пояс"
   label_start_date: "Дата початку"
   meeting:
-    copied: "Copied from Meeting #%{id}"
+    copied: "Скопійовано з наради #%{id} "
   notice_successful_notification: "Повідомлення успішно надіслано"
   notice_timezone_missing: Часовий пояс не встановлено і %{zone} передбачається. Щоб вибрати часовий пояс, натисніть тут.
   permission_create_meetings: "Створюйте зустрічі"
diff --git a/modules/meeting/lib/api/v3/meeting_agendas/meeting_agenda_representer.rb b/modules/meeting/lib/api/v3/meeting_agendas/meeting_agenda_representer.rb
index bfa0807479..55f874b703 100644
--- a/modules/meeting/lib/api/v3/meeting_agendas/meeting_agenda_representer.rb
+++ b/modules/meeting/lib/api/v3/meeting_agendas/meeting_agenda_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/lib/api/v3/meeting_contents/meeting_content_representer.rb b/modules/meeting/lib/api/v3/meeting_contents/meeting_content_representer.rb
index 7f55529f33..21fb54d78e 100644
--- a/modules/meeting/lib/api/v3/meeting_contents/meeting_content_representer.rb
+++ b/modules/meeting/lib/api/v3/meeting_contents/meeting_content_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/lib/api/v3/meeting_minutes/meeting_minutes_representer.rb b/modules/meeting/lib/api/v3/meeting_minutes/meeting_minutes_representer.rb
index 301b05a79b..b2a6fadde7 100644
--- a/modules/meeting/lib/api/v3/meeting_minutes/meeting_minutes_representer.rb
+++ b/modules/meeting/lib/api/v3/meeting_minutes/meeting_minutes_representer.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/lib/open_project/meeting/engine.rb b/modules/meeting/lib/open_project/meeting/engine.rb
index 01a406ccf5..1c9387f861 100644
--- a/modules/meeting/lib/open_project/meeting/engine.rb
+++ b/modules/meeting/lib/open_project/meeting/engine.rb
@@ -80,12 +80,10 @@ module OpenProject::Meeting
       mount ::API::V3::Meetings::MeetingContentsAPI
     end
 
-    initializer 'meeting.register_latest_project_activity' do
+    config.to_prepare do
       Project.register_latest_project_activity on: 'Meeting',
                                                attribute: :updated_at
-    end
 
-    config.to_prepare do
       PermittedParams.permit(:search, :meetings)
     end
 
diff --git a/modules/meeting/lib/open_project/meeting/patches/textile_converter_patch.rb b/modules/meeting/lib/open_project/meeting/patches/textile_converter_patch.rb
index 4c01d4a4ce..9b164cb580 100644
--- a/modules/meeting/lib/open_project/meeting/patches/textile_converter_patch.rb
+++ b/modules/meeting/lib/open_project/meeting/patches/textile_converter_patch.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/openproject-meeting.gemspec b/modules/meeting/openproject-meeting.gemspec
index 9ff5b8d09a..f646efbbdf 100644
--- a/modules/meeting/openproject-meeting.gemspec
+++ b/modules/meeting/openproject-meeting.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |s|
   s.name        = 'openproject-meeting'
diff --git a/modules/meeting/spec/contracts/meeting_contents/update_contract_spec.rb b/modules/meeting/spec/contracts/meeting_contents/update_contract_spec.rb
index 8bda5315e4..a66e68941f 100644
--- a/modules/meeting/spec/contracts/meeting_contents/update_contract_spec.rb
+++ b/modules/meeting/spec/contracts/meeting_contents/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/meeting/spec/services/meeting_contents/update_service_spec.rb b/modules/meeting/spec/services/meeting_contents/update_service_spec.rb
index deb6c90927..649b682bc1 100644
--- a/modules/meeting/spec/services/meeting_contents/update_service_spec.rb
+++ b/modules/meeting/spec/services/meeting_contents/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/my_page/app/models/grids/my_page.rb b/modules/my_page/app/models/grids/my_page.rb
index c3e99d2b0b..e647e89423 100644
--- a/modules/my_page/app/models/grids/my_page.rb
+++ b/modules/my_page/app/models/grids/my_page.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/my_page/config/routes.rb b/modules/my_page/config/routes.rb
index f41b669853..1221ffc6f0 100644
--- a/modules/my_page/config/routes.rb
+++ b/modules/my_page/config/routes.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/my_page/my_page.gemspec b/modules/my_page/my_page.gemspec
index b550f341b9..a25f2ce85f 100644
--- a/modules/my_page/my_page.gemspec
+++ b/modules/my_page/my_page.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "my_page"
   s.version     = '1.0.0'
diff --git a/modules/my_page/spec/contracts/grids/create_contract_spec.rb b/modules/my_page/spec/contracts/grids/create_contract_spec.rb
index de5bd37b84..33efe6636a 100644
--- a/modules/my_page/spec/contracts/grids/create_contract_spec.rb
+++ b/modules/my_page/spec/contracts/grids/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/my_page/spec/contracts/grids/shared_examples.rb b/modules/my_page/spec/contracts/grids/shared_examples.rb
index e3abb9dcf5..516c680f4c 100644
--- a/modules/my_page/spec/contracts/grids/shared_examples.rb
+++ b/modules/my_page/spec/contracts/grids/shared_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/my_page/spec/contracts/grids/update_contract_spec.rb b/modules/my_page/spec/contracts/grids/update_contract_spec.rb
index 20e35c14c9..27f420737e 100644
--- a/modules/my_page/spec/contracts/grids/update_contract_spec.rb
+++ b/modules/my_page/spec/contracts/grids/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/my_page/spec/features/my/assigned_to_me_spec.rb b/modules/my_page/spec/features/my/assigned_to_me_spec.rb
index 5133f570e0..5da47f5213 100644
--- a/modules/my_page/spec/features/my/assigned_to_me_spec.rb
+++ b/modules/my_page/spec/features/my/assigned_to_me_spec.rb
@@ -63,7 +63,10 @@ describe 'Assigned to me embedded query on my page', type: :feature, js: true do
     create(:user)
   end
 
-  let(:role) { create(:role, permissions: %i[view_work_packages add_work_packages edit_work_packages save_queries]) }
+  let(:role) do
+    create(:role,
+           permissions: %i[view_work_packages add_work_packages edit_work_packages save_queries work_package_assigned])
+  end
 
   let(:user) do
     create(:user,
@@ -78,9 +81,7 @@ describe 'Assigned to me embedded query on my page', type: :feature, js: true do
   let(:embedded_table) { Pages::EmbeddedWorkPackagesTable.new(assigned_area.area) }
   let(:hierarchies) { ::Components::WorkPackages::Hierarchies.new }
 
-  before do
-    login_as user
-  end
+  current_user { user }
 
   context 'with parent work package' do
     let!(:assigned_work_package_child) do
@@ -147,12 +148,22 @@ describe 'Assigned to me embedded query on my page', type: :feature, js: true do
     subject_field.set_value 'Assigned to me'
     subject_field.save!
 
+    embedded_table.expect_toast(
+      message: 'Project can\'t be blank.',
+      type: :error
+    )
+
     # Set project
     project_field = embedded_table.edit_field(nil, :project)
     project_field.expect_active!
     project_field.openSelectField
     project_field.set_value project.name
 
+    embedded_table.expect_toast(
+      message: 'Type is not set to one of the allowed values.',
+      type: :error
+    )
+
     # Set type
     type_field = embedded_table.edit_field(nil, :type)
     type_field.expect_active!
diff --git a/modules/my_page/spec/features/my/custom_text_spec.rb b/modules/my_page/spec/features/my/custom_text_spec.rb
index 703d01247b..8e4b11d3c9 100644
--- a/modules/my_page/spec/features/my/custom_text_spec.rb
+++ b/modules/my_page/spec/features/my/custom_text_spec.rb
@@ -72,6 +72,9 @@ describe 'Custom text widget on my page', type: :feature, js: true do
     within custom_text_widget.area do
       find('.inplace-editing--container').click
 
+      sleep 1
+      expect(page).to have_selector('.op-uc-container_editing')
+
       field.set_value('My own little text')
       field.save!
 
@@ -97,7 +100,7 @@ describe 'Custom text widget on my page', type: :feature, js: true do
     editor.drag_attachment image_fixture.path, 'Image uploaded'
 
     within custom_text_widget.area do
-      expect(page).to have_selector('attachment-list-item', text: 'image.png')
+      expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
       expect(page).to have_no_selector('notifications-upload-progress')
 
       field.save!
@@ -106,7 +109,7 @@ describe 'Custom text widget on my page', type: :feature, js: true do
         .to have_selector('#content img', count: 1)
 
       expect(page)
-        .to have_no_selector('attachment-list-item', text: 'image.png')
+        .to have_no_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
     end
 
     # ensure no one but the page's user can see the uploaded attachment
diff --git a/modules/my_page/spec/queries/grids/filters/scope_filter_spec.rb b/modules/my_page/spec/queries/grids/filters/scope_filter_spec.rb
index 007c790d39..ec5363241e 100644
--- a/modules/my_page/spec/queries/grids/filters/scope_filter_spec.rb
+++ b/modules/my_page/spec/queries/grids/filters/scope_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/openid_connect/app/views/openid_connect/providers/upsale.html.erb b/modules/openid_connect/app/views/openid_connect/providers/upsale.html.erb
index bc4637abf6..82ba448e83 100644
--- a/modules/openid_connect/app/views/openid_connect/providers/upsale.html.erb
+++ b/modules/openid_connect/app/views/openid_connect/providers/upsale.html.erb
@@ -1,31 +1,10 @@
 <% html_title(t(:label_administration), t('openid_connect.providers.plural')) -%>
 
-
-<%= breadcrumb_toolbar(t('openid_connect.providers.plural')) %>
-<div class="op-toast upsale-notification">
-  <div class="op-toast--content">
-    <h3><%= t('admin.enterprise.upgrade_to_ee') %></h3>
-    <%= image_tag "enterprise_edition.png", class: "widget-box--teaser-image" %>
-
-    <p><%= t('js.admin.enterprise.upsale.benefits.description') %></p>
-
-    <ul class="">
-      <li>
-        <%= t('js.admin.enterprise.upsale.benefits.premium_features_text') %>
-      </li>
-      <li>
-        <%= t('js.admin.enterprise.upsale.benefits.professional_support_text') %>
-      </li>
-    </ul>
-    <p>
-      <b><%= t('js.admin.enterprise.upsale.become_hero') %></b> <%= t('js.admin.enterprise.upsale.you_contribute') %>
-    </p>
-    <%= link_to( "#{OpenProject::Static::Links.links[:upsale][:href]}/?utm_source=unknown&utm_medium=community-edition&utm_campaign=enterprise-openid-connect",
-                 { class: 'button -alt-highlight',
-                   aria: {label: t('admin.enterprise.order')},
-                   title: t('admin.enterprise.order')}) do %>
-      <%= op_icon('button--icon icon-add') %>
-      <span class="button--text"><%= t('admin.enterprise.order') %></span>
-    <% end %>
-  </div>
-</div>
+<%= render template: 'common/upsale',
+           locals: {
+               feature_title:  t('openid_connect.providers.plural'),
+               feature_description: '',
+               feature_reference: 'enterprise-openid-connect',
+               feature_image: '',
+               feature_video: ''
+           } %>
diff --git a/modules/openid_connect/openproject-openid_connect.gemspec b/modules/openid_connect/openproject-openid_connect.gemspec
index 3619e8b253..9c6495e4e6 100644
--- a/modules/openid_connect/openproject-openid_connect.gemspec
+++ b/modules/openid_connect/openproject-openid_connect.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = 'openproject-openid_connect'
   s.version     = '1.0.0'
diff --git a/modules/overviews/app/models/grids/overview.rb b/modules/overviews/app/models/grids/overview.rb
index 3fbe00719b..3e546ac105 100644
--- a/modules/overviews/app/models/grids/overview.rb
+++ b/modules/overviews/app/models/grids/overview.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/overviews/app/services/overviews/copy/widgets_dependent_service.rb b/modules/overviews/app/services/overviews/copy/widgets_dependent_service.rb
index bc9efcc6db..2ece39f3dc 100644
--- a/modules/overviews/app/services/overviews/copy/widgets_dependent_service.rb
+++ b/modules/overviews/app/services/overviews/copy/widgets_dependent_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/overviews/app/services/overviews/copy_service.rb b/modules/overviews/app/services/overviews/copy_service.rb
index 71a1d11d25..dfc9152e52 100644
--- a/modules/overviews/app/services/overviews/copy_service.rb
+++ b/modules/overviews/app/services/overviews/copy_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/overviews/config/locales/crowdin/uk.yml b/modules/overviews/config/locales/crowdin/uk.yml
index 870c0f7c2e..2dcdd1639f 100644
--- a/modules/overviews/config/locales/crowdin/uk.yml
+++ b/modules/overviews/config/locales/crowdin/uk.yml
@@ -1,4 +1,4 @@
 uk:
   overviews:
     label: 'Огляд'
-  permission_manage_overview: 'Manage overview page'
+  permission_manage_overview: 'Керування сторінкою огляду'
diff --git a/modules/overviews/lib/overviews/engine.rb b/modules/overviews/lib/overviews/engine.rb
index ffef67dd2f..bfc4c6a7ec 100644
--- a/modules/overviews/lib/overviews/engine.rb
+++ b/modules/overviews/lib/overviews/engine.rb
@@ -22,7 +22,7 @@ module Overviews
       OpenProject::AccessControl.map do |ac_map|
         ac_map.project_module nil do |map|
           map.permission :manage_overview,
-                         'overviews/overviews': ['show'],
+                         { 'overviews/overviews': ['show'] },
                          public: true
         end
       end
diff --git a/modules/overviews/overviews.gemspec b/modules/overviews/overviews.gemspec
index de0cb49e1f..207a68ed21 100644
--- a/modules/overviews/overviews.gemspec
+++ b/modules/overviews/overviews.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "overviews"
   s.version     = '1.0.0'
diff --git a/modules/overviews/spec/contracts/grids/create_contract_spec.rb b/modules/overviews/spec/contracts/grids/create_contract_spec.rb
index ed423be5f1..14a45f36e9 100644
--- a/modules/overviews/spec/contracts/grids/create_contract_spec.rb
+++ b/modules/overviews/spec/contracts/grids/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/overviews/spec/requests/api/v3/grids/grids_resource_spec.rb b/modules/overviews/spec/requests/api/v3/grids/grids_resource_spec.rb
index 0a84770a61..6e247f5b25 100644
--- a/modules/overviews/spec/requests/api/v3/grids/grids_resource_spec.rb
+++ b/modules/overviews/spec/requests/api/v3/grids/grids_resource_spec.rb
@@ -33,7 +33,7 @@ describe 'API v3 Grids resource', type: :request, content_type: :json do
   include Rack::Test::Methods
   include API::V3::Utilities::PathHelper
 
-  let(:current_user) do
+  current_user do
     create(:user,
            member_in_project: project,
            member_with_permissions: permissions)
@@ -58,21 +58,13 @@ describe 'API v3 Grids resource', type: :request, content_type: :json do
   end
   let(:custom_text) { "Some text a user wrote" }
 
-  before do
-    login_as(current_user)
-  end
-
   subject(:response) { last_response }
 
   describe '#get api/v3/grids/:id' do
     let(:path) { api_v3_paths.grid(grid.id) }
 
-    let(:stored_grids) do
-      grid
-    end
-
     before do
-      stored_grids
+      grid
 
       get path
     end
@@ -107,19 +99,36 @@ describe 'API v3 Grids resource', type: :request, content_type: :json do
       let(:path) { api_v3_paths.grid(grid.id + 1) }
 
       it 'responds with 404 NOT FOUND' do
-        expect(subject.status).to eql 404
+        expect(subject.status).to be 404
       end
     end
   end
 
+  shared_examples_for 'creates a grid resource' do
+    it 'responds with 201 CREATED' do
+      expect(subject.status).to eq(201)
+    end
+
+    it 'returns the created grid block' do
+      expect(subject.body)
+        .to be_json_eql('Grid'.to_json)
+              .at_path('_type')
+      expect(subject.body)
+        .to be_json_eql(params['rowCount'].to_json)
+              .at_path('rowCount')
+    end
+
+    it 'persists the grid' do
+      expect(Grids::Grid.count)
+        .to be(1)
+    end
+  end
+
   describe '#post api/v3/grids' do
     let(:path) { api_v3_paths.grids }
 
     let(:permissions) { %i[manage_overview] }
 
-    let(:stored_grids) do
-    end
-
     let(:params) do
       {
         "rowCount": 10,
@@ -133,115 +142,32 @@ describe 'API v3 Grids resource', type: :request, content_type: :json do
     end
 
     before do
-      stored_grids
-
       post path, params.to_json
     end
 
-    it 'responds with 201 CREATED' do
-      expect(subject.status).to eq(201)
-    end
-
-    it 'returns the created grid block' do
-      expect(subject.body)
-        .to be_json_eql('Grid'.to_json)
-        .at_path('_type')
-      expect(subject.body)
-        .to be_json_eql(params['rowCount'].to_json)
-        .at_path('rowCount')
-    end
-
-    it 'persists the grid' do
-      expect(Grids::Grid.count)
-        .to eql(1)
-    end
+    it_behaves_like 'creates a grid resource'
 
     context 'if lacking the manage_overview permission' do
+      # Since manage_overview is a public permission, being a member in the project will grant the permission
+      # which is why this test case is the same as the one above
       let(:permissions) { %i[] }
 
-      let(:params) do
-        {
-          "_links": {
-            "scope": {
-              "href": project_overview_path(project)
-            }
-          }
-        }.with_indifferent_access
-      end
-
-      it 'responds with 201 CREATED' do
-        expect(subject.status).to eq(201)
-      end
-
-      it 'returns the created grid block' do
-        expect(subject.body)
-          .to be_json_eql('Grid'.to_json)
-          .at_path('_type')
-        expect(subject.body)
-          .to be_json_eql(Overviews::GridRegistration.defaults[:row_count].to_json)
-          .at_path('rowCount')
-      end
-
-      it 'persists the grid' do
-        expect(Grids::Grid.count)
-          .to eql(1)
-      end
-
-      context 'if deviating from the default page parameters' do
-        let(:params) do
-          {
-            "_links": {
-              "scope": {
-                "href": project_overview_path(project)
-              }
-            }
-          }.with_indifferent_access
-        end
-
-        it 'responds with 201 CREATED' do
-          expect(subject.status).to eq(201)
-        end
-
-        it 'returns the created grid block' do
-          expect(subject.body)
-            .to be_json_eql('Grid'.to_json)
-                  .at_path('_type')
-          expect(subject.body)
-            .to be_json_eql(Overviews::GridRegistration.defaults[:row_count].to_json)
-                  .at_path('rowCount')
-        end
-
-        it 'persists the grid' do
-          expect(Grids::Grid.count)
-            .to eql(1)
-        end
-      end
+      it_behaves_like 'creates a grid resource'
     end
 
-    context 'if lacking the manage_overview permission and deviating from the default page' do
-      let(:permissions) { %i[] }
-
-      let(:stored_grids) do
-      end
 
-      let(:params) do
-        {
-          "rowCount": Overviews::GridRegistration.defaults[:row_count] + 1,
-          "_links": {
-            "scope": {
-              "href": project_overview_path(project)
-            }
-          }
-        }.with_indifferent_access
+    context 'if not being a member in the project' do
+      current_user do
+        create(:user)
       end
 
       it 'responds with 422' do
         expect(subject.status).to eq(422)
       end
 
-      it 'does not persists the grid' do
+      it 'persists no grid' do
         expect(Grids::Grid.count)
-          .to eql(0)
+          .to be(0)
       end
     end
   end
diff --git a/modules/overviews/spec/services/copy_service_integration_spec.rb b/modules/overviews/spec/services/copy_service_integration_spec.rb
index 45e072d21e..b9d3fc93c1 100644
--- a/modules/overviews/spec/services/copy_service_integration_spec.rb
+++ b/modules/overviews/spec/services/copy_service_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/pdf_export/config/locales/crowdin/uk.yml b/modules/pdf_export/config/locales/crowdin/uk.yml
index 0d3adbd42a..fa9527dfc2 100644
--- a/modules/pdf_export/config/locales/crowdin/uk.yml
+++ b/modules/pdf_export/config/locales/crowdin/uk.yml
@@ -29,8 +29,8 @@ uk:
   label_export_card_configuration_plural: "Експорт конфігурацій картки"
   label_export_card_activate: "Активувати"
   label_export_card_deactivate: "Деактивувати"
-  notice_export_card_configuration_activated: "Config successfully activated"
-  notice_export_card_configuration_deactivated: "Config successfully de-activated"
+  notice_export_card_configuration_activated: "Конфігурацію активовано"
+  notice_export_card_configuration_deactivated: "Конфігурацію деактивовано"
   error_can_not_activate_export_card_configuration: "Цю конфігурацію не можна активувати"
   error_can_not_deactivate_export_card_configuration: "Цей конфігурацію не можна деактивувати"
   validation_error_required_keys_not_present: "Необхідний ключ(і) відсутній:"
diff --git a/modules/pdf_export/openproject-pdf_export.gemspec b/modules/pdf_export/openproject-pdf_export.gemspec
index 5e0aafd0d3..88398ba66b 100644
--- a/modules/pdf_export/openproject-pdf_export.gemspec
+++ b/modules/pdf_export/openproject-pdf_export.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-pdf_export"
   s.version     = '1.0.0'
diff --git a/modules/recaptcha/config/locales/crowdin/uk.yml b/modules/recaptcha/config/locales/crowdin/uk.yml
index 972dbfa90e..a9b76982a5 100644
--- a/modules/recaptcha/config/locales/crowdin/uk.yml
+++ b/modules/recaptcha/config/locales/crowdin/uk.yml
@@ -2,17 +2,17 @@
 uk:
   recaptcha:
     label_recaptcha: "reCAPTCHA"
-    button_please_wait: 'Please wait ...'
-    verify_account: "Verify your account"
-    error_captcha: "Your account could not be verified. Please contact an administrator."
+    button_please_wait: 'Зачекайте…'
+    verify_account: "Підтвердьте свій обліковий запис"
+    error_captcha: "Не вдалося підтвердити ваш обліковий запис. Зверніться до адміністратора."
     settings:
-      website_key: 'Website key'
-      website_key_text: 'Enter the website key you created on the reCAPTCHA admin console for this domain.'
+      website_key: 'Ключ вебсайту'
+      website_key_text: 'Введіть ключ вебсайту, створений у консолі адміністратора reCAPTCHA для цього домену.'
       secret_key: 'Секретний ключ'
-      secret_key_text: 'Enter the secret key you created on the reCAPTCHA admin console.'
-      type: 'Use reCAPTCHA'
-      type_disabled: 'Disable reCAPTCHA'
+      secret_key_text: 'Введіть секретний ключ вебсайту, створений у консолі адміністратора reCAPTCHA.'
+      type: 'Використовувати reCAPTCHA'
+      type_disabled: 'Вимкнути reCAPTCHA'
       type_v2: 'reCAPTCHA v2'
       type_v3: 'reCAPTCHA v3'
       recaptcha_description_html: >
-        reCAPTCHA is a free service by Google that can be enabled for your OpenProject instance. If enabled, a captcha form will be rendered upon login for all users that have not verified a captcha yet. <br/> Please see the following link for more details on reCAPTCHA and their versions, and how to create the website and secret keys: %{recaptcha_link}
+        reCAPTCHA – це безкоштовний сервіс Google, який можна ввімкнути для екземпляра OpenProject. Якщо його ввімкнено, форма перевірки з’являтиметься під час входу для всіх користувачів, які ще не пройшли перевірку. <br/>Докладні відомості про reCAPTCHA та версії цього сервісу, а також про створення вебсайту й секретних ключів: %{recaptcha_link}
diff --git a/modules/recaptcha/config/locales/crowdin/zh-TW.yml b/modules/recaptcha/config/locales/crowdin/zh-TW.yml
index 4645aa72c7..fedefe1ba7 100644
--- a/modules/recaptcha/config/locales/crowdin/zh-TW.yml
+++ b/modules/recaptcha/config/locales/crowdin/zh-TW.yml
@@ -10,9 +10,9 @@ zh-TW:
       website_key_text: 'Enter the website key you created on the reCAPTCHA admin console for this domain.'
       secret_key: 'Secret key'
       secret_key_text: 'Enter the secret key you created on the reCAPTCHA admin console.'
-      type: 'Use reCAPTCHA'
-      type_disabled: 'Disable reCAPTCHA'
-      type_v2: 'reCAPTCHA v2'
-      type_v3: 'reCAPTCHA v3'
+      type: '使用 reCAPTCHA'
+      type_disabled: '停用 reCAPTCHA'
+      type_v2: 'reCAPTCHA 第2版'
+      type_v3: 'reCAPTCHA 第3版'
       recaptcha_description_html: >
-        reCAPTCHA is a free service by Google that can be enabled for your OpenProject instance. If enabled, a captcha form will be rendered upon login for all users that have not verified a captcha yet. <br/> Please see the following link for more details on reCAPTCHA and their versions, and how to create the website and secret keys: %{recaptcha_link}
+        reCAPTCHA 是 Google 提供的一項免費服務，可以為您的 OpenProject 實例啟用。 如果啟用，將在登錄時為尚未驗證驗證碼的所有用戶呈現驗證碼表單。 <br/> 有關 reCAPTCHA 及其版本以及如何創建網站和密鑰的詳細信息，請參閱以下鏈接：%{recaptcha_link} 
diff --git a/modules/recaptcha/openproject-recaptcha.gemspec b/modules/recaptcha/openproject-recaptcha.gemspec
index b7ce7f17fe..5502b7faa9 100644
--- a/modules/recaptcha/openproject-recaptcha.gemspec
+++ b/modules/recaptcha/openproject-recaptcha.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-recaptcha"
   s.version     = '1.0.0'
diff --git a/modules/reporting/config/locales/crowdin/uk.yml b/modules/reporting/config/locales/crowdin/uk.yml
index d62230e3e3..21d53b69f0 100644
--- a/modules/reporting/config/locales/crowdin/uk.yml
+++ b/modules/reporting/config/locales/crowdin/uk.yml
@@ -22,7 +22,7 @@
 uk:
   button_save_as: "Зберегти звіт до:"
   comments: "Коментар"
-  cost_reports_title: "Time and costs"
+  cost_reports_title: "Час і витрати"
   label_cost_report: "Звіт про витрати"
   label_cost_report_plural: "Звіти про витрати"
   description_drill_down: "Детальніше"
@@ -69,7 +69,7 @@ uk:
   label_inactive: "«неактивний»"
   label_no: "Ні"
   label_none: "(немає даних)"
-  label_no_reports: "There are no cost reports yet."
+  label_no_reports: "Поки немає звітів про витрати."
   label_report: "Звіт"
   label_yes: "Так"
   load_query_question: "Звіт матиме %{size} комірок таблиці і може зайняти деякий час для візуалізації. Ви все ще бажаєте спробувати її відобразити?"
diff --git a/modules/reporting/lib/report/table.rb b/modules/reporting/lib/report/table.rb
index d22ca19f42..e35d701899 100644
--- a/modules/reporting/lib/report/table.rb
+++ b/modules/reporting/lib/report/table.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-# encoding: UTF-8
-
 class Report::Table
   attr_accessor :query
 
diff --git a/modules/reporting/lib/report/transformer.rb b/modules/reporting/lib/report/transformer.rb
index d1211d9786..b958470eb6 100644
--- a/modules/reporting/lib/report/transformer.rb
+++ b/modules/reporting/lib/report/transformer.rb
@@ -26,8 +26,6 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-# encoding: UTF-8
-
 class Report::Transformer
   attr_reader :query
 
diff --git a/modules/reporting/lib/widget/settings.rb b/modules/reporting/lib/widget/settings.rb
index 09ef628592..b41cee665b 100644
--- a/modules/reporting/lib/widget/settings.rb
+++ b/modules/reporting/lib/widget/settings.rb
@@ -43,6 +43,14 @@ class Widget::Settings < Widget::Base
     end
   end
 
+  def render_cost_types_settings
+    render_widget Widget::Settings::Fieldset, @subject, type: "units" do
+      render_widget Widget::CostTypes,
+                    @cost_types,
+                    selected_type_id: @selected_type_id
+    end
+  end
+
   def render_controls_settings
     content_tag :div, class: 'form--buttons -with-button-form hide-when-print' do
       widgets = ''.html_safe
@@ -75,7 +83,14 @@ class Widget::Settings < Widget::Base
     end)
   end
 
+  def render_with_options(options, &block)
+    @cost_types = options.delete(:cost_types)
+    @selected_type_id = options.delete(:selected_type_id)
+
+    super(options, &block)
+  end
+
   def settings_to_render
-    @settings_to_render ||= %i[filter group_by controls]
+    @settings_to_render ||= %i[filter group_by cost_types controls]
   end
 end
diff --git a/modules/reporting/lib/widget/table.rb b/modules/reporting/lib/widget/table.rb
index 42062fdf0b..91bda7c6ae 100644
--- a/modules/reporting/lib/widget/table.rb
+++ b/modules/reporting/lib/widget/table.rb
@@ -39,31 +39,13 @@ class Widget::Table < Widget::Base
   end
 
   def resolve_table
-    if @subject.group_bys.size == 0
-      self.class.detailed_table
-    elsif @subject.group_bys.size == 1
-      self.class.simple_table
+    if @subject.group_bys.empty?
+      Widget::Table::EntryTable
     else
-      self.class.fancy_table
+      Widget::Table::ReportTable
     end
   end
 
-  def self.detailed_table(klass = nil)
-    @@detail_table = klass if klass
-    defined?(@@detail_table) ? @@detail_table : fancy_table
-  end
-
-  def self.simple_table(klass = nil)
-    @@simple_table = klass if klass
-    defined?(@@simple_table) ? @@simple_table : fancy_table
-  end
-
-  def self.fancy_table(klass = nil)
-    @@fancy_table = klass if klass
-    @@fancy_table
-  end
-  fancy_table Widget::Table::ReportTable
-
   def render
     write('<!-- table start -->')
     if @subject.result.count <= 0
diff --git a/modules/reporting/lib/widget/table/entry_table.rb b/modules/reporting/lib/widget/table/entry_table.rb
index ba12ce4bfb..3eebd2f8aa 100644
--- a/modules/reporting/lib/widget/table/entry_table.rb
+++ b/modules/reporting/lib/widget/table/entry_table.rb
@@ -29,8 +29,6 @@
 class ::Widget::Table::EntryTable < ::Widget::Table
   FIELDS = %i[spent_on user_id activity_id work_package_id comments project_id]
 
-  detailed_table self
-
   def render
     content = content_tag :div, class: 'generic-table--container -with-footer' do
       content_tag :div, class: 'generic-table--results-container' do
diff --git a/modules/reporting/openproject-reporting.gemspec b/modules/reporting/openproject-reporting.gemspec
index a6621a3dea..bd19d1f98e 100644
--- a/modules/reporting/openproject-reporting.gemspec
+++ b/modules/reporting/openproject-reporting.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-reporting"
   s.version     = '1.0.0'
diff --git a/modules/reporting/spec/features/custom_fields_spec.rb b/modules/reporting/spec/features/custom_fields_spec.rb
index beaac665c2..a3b76624f0 100644
--- a/modules/reporting/spec/features/custom_fields_spec.rb
+++ b/modules/reporting/spec/features/custom_fields_spec.rb
@@ -61,6 +61,8 @@ describe 'Custom fields reporting', type: :feature, js: true do
     cf.custom_options.find { |co| co.value == str }.try(:id)
   end
 
+  current_user { user }
+
   context 'with multi value cf' do
     let!(:custom_field) do
       create(:list_wp_custom_field,
@@ -83,8 +85,8 @@ describe 'Custom fields reporting', type: :feature, js: true do
     end
 
     before do
-      login_as(user)
       visit '/cost_reports'
+      sleep(0.1)
     end
 
     it 'filters by the multi CF' do
@@ -99,7 +101,7 @@ describe 'Custom fields reporting', type: :feature, js: true do
       expect(select).to have_selector('option', text: 'Second option')
       select.find('option', text: 'Second option').select_option
 
-      find('#query-icon-apply-button').click
+      click_link 'Apply'
 
       # Expect empty result table
       within('#result-table') do
@@ -125,7 +127,7 @@ describe 'Custom fields reporting', type: :feature, js: true do
       select 'List CF', from: 'group-by--add-columns'
       select 'Work package', from: 'group-by--add-rows'
 
-      find('#query-icon-apply-button').click
+      click_link 'Apply'
 
       # Expect row of work package
       within('#result-table') do
@@ -173,8 +175,8 @@ describe 'Custom fields reporting', type: :feature, js: true do
         CustomValue.find_by(customized_id: work_package2.id).update_columns(value: 'invalid')
         work_package2.reload
 
-        login_as(user)
         visit '/cost_reports'
+        sleep(0.1)
       end
 
       it 'groups by the raw values when an invalid value exists' do
@@ -186,7 +188,7 @@ describe 'Custom fields reporting', type: :feature, js: true do
         select 'Invalid List CF', from: 'group-by--add-columns'
         select 'Work package', from: 'group-by--add-rows'
 
-        find('#query-icon-apply-button').click
+        click_link 'Apply'
 
         # Expect row of work package
         within('#result-table') do
@@ -208,8 +210,8 @@ describe 'Custom fields reporting', type: :feature, js: true do
     let(:initial_custom_values) { { custom_field.id => 'foo' } }
 
     before do
-      login_as(user)
       visit '/cost_reports'
+      sleep(0.1)
     end
 
     it 'groups by a text CF' do
@@ -219,7 +221,7 @@ describe 'Custom fields reporting', type: :feature, js: true do
       select 'Text CF', from: 'group-by--add-columns'
       select 'Work package', from: 'group-by--add-rows'
 
-      find('#query-icon-apply-button').click
+      click_link 'Apply'
 
       # Expect row of work package
       within('#result-table') do
diff --git a/modules/reporting/spec/features/update_entries_spec.rb b/modules/reporting/spec/features/update_entries_spec.rb
index 3051568e32..180975c516 100644
--- a/modules/reporting/spec/features/update_entries_spec.rb
+++ b/modules/reporting/spec/features/update_entries_spec.rb
@@ -32,7 +32,7 @@ require_relative 'support/components/cost_reports_base_table'
 
 describe 'Updating entries within the cost report', type: :feature, js: true do
   let(:project) { create :project }
-  let(:user) { create :admin }
+  let(:user) { create :admin, member_in_project: project, member_with_permissions: %i[work_package_assigned] }
   let(:work_package) { create :work_package, project: project }
 
   let!(:time_entry_user) do
diff --git a/modules/team_planner/app/cells/team_planner/row_cell.rb b/modules/team_planner/app/cells/team_planner/row_cell.rb
index 91dce96daf..8bc90d5b5c 100644
--- a/modules/team_planner/app/cells/team_planner/row_cell.rb
+++ b/modules/team_planner/app/cells/team_planner/row_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -51,7 +49,7 @@ module TeamPlanner
       query
         .filters
         .detect { |filter| filter.name == :assigned_to_id }
-        .then { |filter| filter ? filter.values.count : 0 }
+        .then { |filter| filter ? filter.valid_values!.count : 0 }
     end
 
     def button_links
diff --git a/modules/team_planner/app/cells/team_planner/table_cell.rb b/modules/team_planner/app/cells/team_planner/table_cell.rb
index ea1de4be6c..e8214b2d6b 100644
--- a/modules/team_planner/app/cells/team_planner/table_cell.rb
+++ b/modules/team_planner/app/cells/team_planner/table_cell.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/modules/team_planner/config/locales/crowdin/de.yml b/modules/team_planner/config/locales/crowdin/de.yml
index c5147bc2da..b8b214aeb4 100644
--- a/modules/team_planner/config/locales/crowdin/de.yml
+++ b/modules/team_planner/config/locales/crowdin/de.yml
@@ -5,8 +5,8 @@ de:
   project_module_team_planner_view: "Teamplaner"
   team_planner:
     label_team_planner: "Teamplaner"
-    label_team_planner_plural: "Team planners"
-    label_assignees: "Assignees"
+    label_team_planner_plural: "Teamplaner"
+    label_assignees: "Zugewiesene Benutzer"
     upsale:
-      title: "Team planner"
+      title: "Teamplaner"
       description: "Team planner gives you a complete overview what each of team member is working on, one week at a time. Move, stretch and shrink work packages visually, and even drag them from one assignee to another to organise workload. You can even create new work packages or add existing ones, all from within team planner!"
diff --git a/modules/team_planner/config/locales/crowdin/es.yml b/modules/team_planner/config/locales/crowdin/es.yml
index a2adab36cf..395ec40960 100644
--- a/modules/team_planner/config/locales/crowdin/es.yml
+++ b/modules/team_planner/config/locales/crowdin/es.yml
@@ -1,12 +1,12 @@
 #English strings go here
 es:
-  permission_view_team_planner: "View team planner"
-  permission_manage_team_planner: "Manage team planner"
-  project_module_team_planner_view: "Team planner"
+  permission_view_team_planner: "Ver planificador del equipo"
+  permission_manage_team_planner: "Gestionar plan de equipo"
+  project_module_team_planner_view: "Planificador de menús"
   team_planner:
-    label_team_planner: "Team planner"
-    label_team_planner_plural: "Team planners"
-    label_assignees: "Assignees"
+    label_team_planner: "Planificador de menús"
+    label_team_planner_plural: "Planificador de menús"
+    label_assignees: "Asignados"
     upsale:
-      title: "Team planner"
-      description: "Team planner gives you a complete overview what each of team member is working on, one week at a time. Move, stretch and shrink work packages visually, and even drag them from one assignee to another to organise workload. You can even create new work packages or add existing ones, all from within team planner!"
+      title: "Planificador de menús"
+      description: "Planificador de equipos le ofrece una visión completa de lo que cada miembro del equipo está trabajando, una vez a la semana. Mueva, estire y reduzca visualmente los paquetes de trabajo, e incluso moviendolos de un asignatario a otro para organizar la carga de trabajo. ¡Incluso puede crear nuevos paquetes de trabajo o añadir los existentes, todo desde dentro del planificador de equipos!"
diff --git a/modules/team_planner/config/locales/crowdin/js-af.yml b/modules/team_planner/config/locales/crowdin/js-af.yml
index 878d363474..fb999cebd0 100644
--- a/modules/team_planner/config/locales/crowdin/js-af.yml
+++ b/modules/team_planner/config/locales/crowdin/js-af.yml
@@ -3,7 +3,7 @@ af:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-ar.yml b/modules/team_planner/config/locales/crowdin/js-ar.yml
index 96ed09d272..46ccb4e50c 100644
--- a/modules/team_planner/config/locales/crowdin/js-ar.yml
+++ b/modules/team_planner/config/locales/crowdin/js-ar.yml
@@ -3,7 +3,7 @@ ar:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-az.yml b/modules/team_planner/config/locales/crowdin/js-az.yml
index 751ffe8d8c..ee42378b29 100644
--- a/modules/team_planner/config/locales/crowdin/js-az.yml
+++ b/modules/team_planner/config/locales/crowdin/js-az.yml
@@ -3,7 +3,7 @@ az:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-bg.yml b/modules/team_planner/config/locales/crowdin/js-bg.yml
index 76e98e6339..8cff07556a 100644
--- a/modules/team_planner/config/locales/crowdin/js-bg.yml
+++ b/modules/team_planner/config/locales/crowdin/js-bg.yml
@@ -3,7 +3,7 @@ bg:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-ca.yml b/modules/team_planner/config/locales/crowdin/js-ca.yml
index 809b497558..8104fa1a2c 100644
--- a/modules/team_planner/config/locales/crowdin/js-ca.yml
+++ b/modules/team_planner/config/locales/crowdin/js-ca.yml
@@ -3,7 +3,7 @@ ca:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-cs.yml b/modules/team_planner/config/locales/crowdin/js-cs.yml
index b8fc7cce90..18da7da915 100644
--- a/modules/team_planner/config/locales/crowdin/js-cs.yml
+++ b/modules/team_planner/config/locales/crowdin/js-cs.yml
@@ -3,7 +3,7 @@ cs:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Vytvořit nový plánovače'
+      create_new: 'New team planner'
       title: 'Týmový plánovač'
       unsaved_title: 'Nepojmenovaný plánovač týmu'
       label_assignee_plural: 'Řešitelé'
diff --git a/modules/team_planner/config/locales/crowdin/js-da.yml b/modules/team_planner/config/locales/crowdin/js-da.yml
index 05c9fe3670..f37942c2ef 100644
--- a/modules/team_planner/config/locales/crowdin/js-da.yml
+++ b/modules/team_planner/config/locales/crowdin/js-da.yml
@@ -3,7 +3,7 @@ da:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-de.yml b/modules/team_planner/config/locales/crowdin/js-de.yml
index 30a70d36d8..c1c253a175 100644
--- a/modules/team_planner/config/locales/crowdin/js-de.yml
+++ b/modules/team_planner/config/locales/crowdin/js-de.yml
@@ -2,23 +2,23 @@
 de:
   js:
     team_planner:
-      add_existing: 'Add Existing'
-      create_new: 'Neuen Plan erstellen'
+      add_existing: 'Vorhandene hinzufügen'
+      create_new: 'Neuer Teamplaner'
       title: 'Teamplaner'
       unsaved_title: 'Unbenannter Teamplaner'
       label_assignee_plural: 'Zugewiesene Benutzer'
       no_data: 'Fügen Sie zugewiesene Benutzer hinzu, um Ihren Teamplaner einzurichten.'
       add_assignee: 'Zugewiesenen Benutzer hinzufügen'
       remove_assignee: 'Zugewiesenen Benutzer entfernen'
-      two_weeks: '2-week'
-      one_week: '1-week'
-      today: 'Today'
-      drag_here_to_remove: 'Drag here to remove assignee and start and end dates.'
-      cannot_drag_here: 'Cannot remove the work package due to permissions or editing restrictions.'
+      two_weeks: '2 Wochen'
+      one_week: '1 Woche'
+      today: 'Heute'
+      drag_here_to_remove: 'Hierher ziehen, um den zugewiesenen Benutzer zu entfernen und die Start- und Enddaten zu löschen.'
+      cannot_drag_here: 'Das Arbeitspaket kann aufgrund von Berechtigungen oder Beschränkungen nicht entfernt werden.'
       quick_add:
-        empty_state: 'Use the search field to find work packages and drag them to the planner to assign it to someone and define start and end dates.'
-        search_placeholder: 'Search...'
+        empty_state: 'Benutzen Sie das Suchfeld, um Arbeitspakete zu finden und ziehen Sie sie in den Planer, um sie Nutzern zuzuweisen und Start- und Enddaten zu setzen.'
+        search_placeholder: 'Suchen...'
       modify:
         errors:
-          permission_denied: 'You do not have the necessary permissions to modify this.'
-          fallback: 'This work package cannot be edited.'
+          permission_denied: 'Sie haben nicht die notwendigen Rechte für diese Änderung.'
+          fallback: 'Dieses Arbeitspaket kann nicht bearbeitet werden.'
diff --git a/modules/team_planner/config/locales/crowdin/js-el.yml b/modules/team_planner/config/locales/crowdin/js-el.yml
index b8b6aabaa2..05d8e48ea5 100644
--- a/modules/team_planner/config/locales/crowdin/js-el.yml
+++ b/modules/team_planner/config/locales/crowdin/js-el.yml
@@ -3,7 +3,7 @@ el:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-eo.yml b/modules/team_planner/config/locales/crowdin/js-eo.yml
index d284757485..b8fd831754 100644
--- a/modules/team_planner/config/locales/crowdin/js-eo.yml
+++ b/modules/team_planner/config/locales/crowdin/js-eo.yml
@@ -3,7 +3,7 @@ eo:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-es.yml b/modules/team_planner/config/locales/crowdin/js-es.yml
index dd0360998a..0c1d2ff693 100644
--- a/modules/team_planner/config/locales/crowdin/js-es.yml
+++ b/modules/team_planner/config/locales/crowdin/js-es.yml
@@ -2,16 +2,16 @@
 es:
   js:
     team_planner:
-      add_existing: 'Add Existing'
-      create_new: 'Create new planner'
-      title: 'Team planner'
-      unsaved_title: 'Unnamed team planner'
-      label_assignee_plural: 'Assignees'
-      no_data: 'Add assignees to set up your team planner.'
-      add_assignee: 'Add assignee'
-      remove_assignee: 'Remove assignee'
-      two_weeks: '2-week'
-      one_week: '1-week'
+      add_existing: 'Añadir existente'
+      create_new: 'Nuevo planificador de equipo'
+      title: 'Planificador de equipos'
+      unsaved_title: 'Planificador de equipo anonimo'
+      label_assignee_plural: 'Asignados'
+      no_data: 'Añadir asignados para configurar el planificador de su equipo.'
+      add_assignee: 'Añadir asignado'
+      remove_assignee: 'Quitar asignado'
+      two_weeks: '2 semanas'
+      one_week: '1 semana'
       today: 'Today'
       drag_here_to_remove: 'Drag here to remove assignee and start and end dates.'
       cannot_drag_here: 'Cannot remove the work package due to permissions or editing restrictions.'
diff --git a/modules/team_planner/config/locales/crowdin/js-et.yml b/modules/team_planner/config/locales/crowdin/js-et.yml
index ad0a128dfc..c2b736bbd8 100644
--- a/modules/team_planner/config/locales/crowdin/js-et.yml
+++ b/modules/team_planner/config/locales/crowdin/js-et.yml
@@ -3,7 +3,7 @@ et:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-fa.yml b/modules/team_planner/config/locales/crowdin/js-fa.yml
index 2eb9267a40..92d1540f5c 100644
--- a/modules/team_planner/config/locales/crowdin/js-fa.yml
+++ b/modules/team_planner/config/locales/crowdin/js-fa.yml
@@ -3,7 +3,7 @@ fa:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-fi.yml b/modules/team_planner/config/locales/crowdin/js-fi.yml
index 489655f822..f187b34419 100644
--- a/modules/team_planner/config/locales/crowdin/js-fi.yml
+++ b/modules/team_planner/config/locales/crowdin/js-fi.yml
@@ -3,7 +3,7 @@ fi:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-fil.yml b/modules/team_planner/config/locales/crowdin/js-fil.yml
index fb08386e1e..e584c7eaf5 100644
--- a/modules/team_planner/config/locales/crowdin/js-fil.yml
+++ b/modules/team_planner/config/locales/crowdin/js-fil.yml
@@ -3,7 +3,7 @@ fil:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-fr.yml b/modules/team_planner/config/locales/crowdin/js-fr.yml
index 86b968b832..907bbf696c 100644
--- a/modules/team_planner/config/locales/crowdin/js-fr.yml
+++ b/modules/team_planner/config/locales/crowdin/js-fr.yml
@@ -3,7 +3,7 @@ fr:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Créer un nouveau planificateur'
+      create_new: 'New team planner'
       title: 'Planificateur d''équipe'
       unsaved_title: 'Planificateur d''équipe sans nom'
       label_assignee_plural: 'Affectés à'
diff --git a/modules/team_planner/config/locales/crowdin/js-he.yml b/modules/team_planner/config/locales/crowdin/js-he.yml
index dde2306659..e9fea6753c 100644
--- a/modules/team_planner/config/locales/crowdin/js-he.yml
+++ b/modules/team_planner/config/locales/crowdin/js-he.yml
@@ -3,7 +3,7 @@ he:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-hi.yml b/modules/team_planner/config/locales/crowdin/js-hi.yml
index f9126590d3..c914eb7093 100644
--- a/modules/team_planner/config/locales/crowdin/js-hi.yml
+++ b/modules/team_planner/config/locales/crowdin/js-hi.yml
@@ -3,7 +3,7 @@ hi:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-hr.yml b/modules/team_planner/config/locales/crowdin/js-hr.yml
index f38ca0eaf7..39ec648e6e 100644
--- a/modules/team_planner/config/locales/crowdin/js-hr.yml
+++ b/modules/team_planner/config/locales/crowdin/js-hr.yml
@@ -3,7 +3,7 @@ hr:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-hu.yml b/modules/team_planner/config/locales/crowdin/js-hu.yml
index fc592fddf9..1ba710069b 100644
--- a/modules/team_planner/config/locales/crowdin/js-hu.yml
+++ b/modules/team_planner/config/locales/crowdin/js-hu.yml
@@ -3,7 +3,7 @@ hu:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-id.yml b/modules/team_planner/config/locales/crowdin/js-id.yml
index 25105d92bc..32ebcc15df 100644
--- a/modules/team_planner/config/locales/crowdin/js-id.yml
+++ b/modules/team_planner/config/locales/crowdin/js-id.yml
@@ -3,7 +3,7 @@ id:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-it.yml b/modules/team_planner/config/locales/crowdin/js-it.yml
index ef67af3b67..544c1eccdd 100644
--- a/modules/team_planner/config/locales/crowdin/js-it.yml
+++ b/modules/team_planner/config/locales/crowdin/js-it.yml
@@ -3,7 +3,7 @@ it:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-ja.yml b/modules/team_planner/config/locales/crowdin/js-ja.yml
index fd4e492fa4..0a7c44e34b 100644
--- a/modules/team_planner/config/locales/crowdin/js-ja.yml
+++ b/modules/team_planner/config/locales/crowdin/js-ja.yml
@@ -3,7 +3,7 @@ ja:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-ko.yml b/modules/team_planner/config/locales/crowdin/js-ko.yml
index eefe2a2fa2..351d7899af 100644
--- a/modules/team_planner/config/locales/crowdin/js-ko.yml
+++ b/modules/team_planner/config/locales/crowdin/js-ko.yml
@@ -3,7 +3,7 @@ ko:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-lol.yml b/modules/team_planner/config/locales/crowdin/js-lol.yml
index 4b15dac82b..017d4ec63c 100644
--- a/modules/team_planner/config/locales/crowdin/js-lol.yml
+++ b/modules/team_planner/config/locales/crowdin/js-lol.yml
@@ -3,7 +3,7 @@ lol:
   js:
     team_planner:
       add_existing: 'crwdns750836:0crwdne750836:0'
-      create_new: 'crwdns500083:0crwdne500083:0'
+      create_new: 'crwdns773050:0crwdne773050:0'
       title: 'crwdns500087:0crwdne500087:0'
       unsaved_title: 'crwdns500089:0crwdne500089:0'
       label_assignee_plural: 'crwdns500091:0crwdne500091:0'
diff --git a/modules/team_planner/config/locales/crowdin/js-lt.yml b/modules/team_planner/config/locales/crowdin/js-lt.yml
index d59971af40..bb02b071a8 100644
--- a/modules/team_planner/config/locales/crowdin/js-lt.yml
+++ b/modules/team_planner/config/locales/crowdin/js-lt.yml
@@ -3,7 +3,7 @@ lt:
   js:
     team_planner:
       add_existing: 'Pridėti esamą'
-      create_new: 'Kurti naują komandos planą'
+      create_new: 'Naujas komandos planas'
       title: 'Komandos planas'
       unsaved_title: 'Nepavadintas komandos planas'
       label_assignee_plural: 'Paskirtieji'
diff --git a/modules/team_planner/config/locales/crowdin/js-lv.yml b/modules/team_planner/config/locales/crowdin/js-lv.yml
index 744d20ba0b..52a951d0af 100644
--- a/modules/team_planner/config/locales/crowdin/js-lv.yml
+++ b/modules/team_planner/config/locales/crowdin/js-lv.yml
@@ -3,7 +3,7 @@ lv:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-ne.yml b/modules/team_planner/config/locales/crowdin/js-ne.yml
index 8617fb288b..9f24cc26af 100644
--- a/modules/team_planner/config/locales/crowdin/js-ne.yml
+++ b/modules/team_planner/config/locales/crowdin/js-ne.yml
@@ -3,7 +3,7 @@ ne:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-nl.yml b/modules/team_planner/config/locales/crowdin/js-nl.yml
index beff90c97e..49e4981851 100644
--- a/modules/team_planner/config/locales/crowdin/js-nl.yml
+++ b/modules/team_planner/config/locales/crowdin/js-nl.yml
@@ -3,7 +3,7 @@ nl:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-no.yml b/modules/team_planner/config/locales/crowdin/js-no.yml
index 3204b78f14..0468b299db 100644
--- a/modules/team_planner/config/locales/crowdin/js-no.yml
+++ b/modules/team_planner/config/locales/crowdin/js-no.yml
@@ -3,7 +3,7 @@
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-pl.yml b/modules/team_planner/config/locales/crowdin/js-pl.yml
index b0f7ea9c26..abcec089a8 100644
--- a/modules/team_planner/config/locales/crowdin/js-pl.yml
+++ b/modules/team_planner/config/locales/crowdin/js-pl.yml
@@ -3,7 +3,7 @@ pl:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-pt.yml b/modules/team_planner/config/locales/crowdin/js-pt.yml
index a6e1f7498a..857ea1fa3d 100644
--- a/modules/team_planner/config/locales/crowdin/js-pt.yml
+++ b/modules/team_planner/config/locales/crowdin/js-pt.yml
@@ -3,7 +3,7 @@ pt:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Planejador de equipe'
       unsaved_title: 'Planejador de equipe não nomeado'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-ro.yml b/modules/team_planner/config/locales/crowdin/js-ro.yml
index 468ef6c534..080c582046 100644
--- a/modules/team_planner/config/locales/crowdin/js-ro.yml
+++ b/modules/team_planner/config/locales/crowdin/js-ro.yml
@@ -3,7 +3,7 @@ ro:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Planificator de echipă'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-ru.yml b/modules/team_planner/config/locales/crowdin/js-ru.yml
index e5f8009aec..a5e5daf038 100644
--- a/modules/team_planner/config/locales/crowdin/js-ru.yml
+++ b/modules/team_planner/config/locales/crowdin/js-ru.yml
@@ -3,7 +3,7 @@ ru:
   js:
     team_planner:
       add_existing: 'Добавить существующее'
-      create_new: 'Создать нового планировщика'
+      create_new: 'Новый планировщик для команды'
       title: 'Командный планировщик'
       unsaved_title: 'Безымянный планировщик команды'
       label_assignee_plural: 'Ответственные'
diff --git a/modules/team_planner/config/locales/crowdin/js-rw.yml b/modules/team_planner/config/locales/crowdin/js-rw.yml
index dc664ae6c8..2e4893afc4 100644
--- a/modules/team_planner/config/locales/crowdin/js-rw.yml
+++ b/modules/team_planner/config/locales/crowdin/js-rw.yml
@@ -3,7 +3,7 @@ rw:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-si.yml b/modules/team_planner/config/locales/crowdin/js-si.yml
index d57bee3eaf..8b4a1cb905 100644
--- a/modules/team_planner/config/locales/crowdin/js-si.yml
+++ b/modules/team_planner/config/locales/crowdin/js-si.yml
@@ -3,7 +3,7 @@ si:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-sk.yml b/modules/team_planner/config/locales/crowdin/js-sk.yml
index 4386b3e840..c25ebbb362 100644
--- a/modules/team_planner/config/locales/crowdin/js-sk.yml
+++ b/modules/team_planner/config/locales/crowdin/js-sk.yml
@@ -3,7 +3,7 @@ sk:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-sl.yml b/modules/team_planner/config/locales/crowdin/js-sl.yml
index 122e574d76..b6d0e3d60b 100644
--- a/modules/team_planner/config/locales/crowdin/js-sl.yml
+++ b/modules/team_planner/config/locales/crowdin/js-sl.yml
@@ -3,7 +3,7 @@ sl:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-sv.yml b/modules/team_planner/config/locales/crowdin/js-sv.yml
index fd4caa3fec..9f4920802b 100644
--- a/modules/team_planner/config/locales/crowdin/js-sv.yml
+++ b/modules/team_planner/config/locales/crowdin/js-sv.yml
@@ -3,7 +3,7 @@ sv:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-th.yml b/modules/team_planner/config/locales/crowdin/js-th.yml
index 6848804e85..c75510abe9 100644
--- a/modules/team_planner/config/locales/crowdin/js-th.yml
+++ b/modules/team_planner/config/locales/crowdin/js-th.yml
@@ -3,7 +3,7 @@ th:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-tr.yml b/modules/team_planner/config/locales/crowdin/js-tr.yml
index 90be64b362..3617389e78 100644
--- a/modules/team_planner/config/locales/crowdin/js-tr.yml
+++ b/modules/team_planner/config/locales/crowdin/js-tr.yml
@@ -3,7 +3,7 @@ tr:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-uk.yml b/modules/team_planner/config/locales/crowdin/js-uk.yml
index bb09459c48..33010eb1a2 100644
--- a/modules/team_planner/config/locales/crowdin/js-uk.yml
+++ b/modules/team_planner/config/locales/crowdin/js-uk.yml
@@ -2,23 +2,23 @@
 uk:
   js:
     team_planner:
-      add_existing: 'Add Existing'
-      create_new: 'Create new planner'
-      title: 'Team planner'
-      unsaved_title: 'Unnamed team planner'
-      label_assignee_plural: 'Assignees'
-      no_data: 'Add assignees to set up your team planner.'
-      add_assignee: 'Add assignee'
-      remove_assignee: 'Remove assignee'
-      two_weeks: '2-week'
-      one_week: '1-week'
-      today: 'Today'
-      drag_here_to_remove: 'Drag here to remove assignee and start and end dates.'
-      cannot_drag_here: 'Cannot remove the work package due to permissions or editing restrictions.'
+      add_existing: 'Додати наявний'
+      create_new: 'Новий командний планувальник'
+      title: 'Командний планувальник'
+      unsaved_title: 'Командний планувальник без назви'
+      label_assignee_plural: 'Виконавці'
+      no_data: 'Додайте виконавців, щоб налаштувати свій командний планувальник.'
+      add_assignee: 'Додати виконавця'
+      remove_assignee: 'Вилучити виконавця'
+      two_weeks: '2 тижні'
+      one_week: '1 тиждень'
+      today: 'Сьогодні'
+      drag_here_to_remove: 'Перетягніть сюди, щоб вилучити виконавця, а також дати початку й закінчення.'
+      cannot_drag_here: 'Не вдалося вилучити пакет робіт через дозволи або обмеження на редагування.'
       quick_add:
-        empty_state: 'Use the search field to find work packages and drag them to the planner to assign it to someone and define start and end dates.'
-        search_placeholder: 'Search...'
+        empty_state: 'Скористайтеся полем пошуку, щоб знайти пакети робіт, і перетягніть їх у планувальник, щоб призначити комусь, а також визначити дати початку й закінчення завдання.'
+        search_placeholder: 'Пошук...'
       modify:
         errors:
-          permission_denied: 'You do not have the necessary permissions to modify this.'
-          fallback: 'This work package cannot be edited.'
+          permission_denied: 'Ви не маєте необхідних дозволів, щоб змінити це.'
+          fallback: 'Цей пакет робіт не можна змінити.'
diff --git a/modules/team_planner/config/locales/crowdin/js-vi.yml b/modules/team_planner/config/locales/crowdin/js-vi.yml
index aa2cd8d6bb..a31cf8a535 100644
--- a/modules/team_planner/config/locales/crowdin/js-vi.yml
+++ b/modules/team_planner/config/locales/crowdin/js-vi.yml
@@ -3,7 +3,7 @@ vi:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/js-zh-TW.yml b/modules/team_planner/config/locales/crowdin/js-zh-TW.yml
index 423e1a15fc..a455b470cb 100644
--- a/modules/team_planner/config/locales/crowdin/js-zh-TW.yml
+++ b/modules/team_planner/config/locales/crowdin/js-zh-TW.yml
@@ -3,7 +3,7 @@ zh-TW:
   js:
     team_planner:
       add_existing: 'Add Existing'
-      create_new: 'Create new planner'
+      create_new: 'New team planner'
       title: 'Team planner'
       unsaved_title: 'Unnamed team planner'
       label_assignee_plural: 'Assignees'
diff --git a/modules/team_planner/config/locales/crowdin/lt.yml b/modules/team_planner/config/locales/crowdin/lt.yml
index eac0151dd4..5536cea22c 100644
--- a/modules/team_planner/config/locales/crowdin/lt.yml
+++ b/modules/team_planner/config/locales/crowdin/lt.yml
@@ -5,8 +5,8 @@ lt:
   project_module_team_planner_view: "Komandos planas"
   team_planner:
     label_team_planner: "Komandos planas"
-    label_team_planner_plural: "Team planners"
-    label_assignees: "Assignees"
+    label_team_planner_plural: "Komandos planai"
+    label_assignees: "Paskirtieji"
     upsale:
       title: "Komandos planas"
       description: "Komandos planas teikia pilną vaizdą ką kiekvienas komandos narys daro per savaitę. Perkelkite, ištempkite ar sumažinkite darbo paketus vizualiai, ar net pertempikte juos iš vieno paskirtojo kitam, kad tvarkytumėte krūvį. Jūs netgi galite kurti naujus darbo paketus ar pridėti esamus, viskas tiesiai komandos plane!"
diff --git a/modules/team_planner/config/locales/crowdin/pt.yml b/modules/team_planner/config/locales/crowdin/pt.yml
index b98f7d06c8..391d34220a 100644
--- a/modules/team_planner/config/locales/crowdin/pt.yml
+++ b/modules/team_planner/config/locales/crowdin/pt.yml
@@ -5,8 +5,8 @@ pt:
   project_module_team_planner_view: "Planejador de equipe"
   team_planner:
     label_team_planner: "Planejador de equipe"
-    label_team_planner_plural: "Team planners"
-    label_assignees: "Assignees"
+    label_team_planner_plural: "Planejador de equipe"
+    label_assignees: "Destinatários"
     upsale:
-      title: "Team planner"
-      description: "Team planner gives you a complete overview what each of team member is working on, one week at a time. Move, stretch and shrink work packages visually, and even drag them from one assignee to another to organise workload. You can even create new work packages or add existing ones, all from within team planner!"
+      title: "Planejador de equipe"
+      description: "Planejador de equipe lhe dá uma visão completa do que cada membro da equipe está trabalhando, uma semana por vez. Mover, esticar e encolher pacotes de trabalho visualmente, e até arrastá-los de um atribuído para outro para organizar a carga de trabalho. Você pode até mesmo criar novos pacotes de trabalho ou adicionar os já existentes, todos de dentro do planejador de equipe!"
diff --git a/modules/team_planner/config/locales/crowdin/tr.yml b/modules/team_planner/config/locales/crowdin/tr.yml
index 7a2c336fa1..b208cf2bf6 100644
--- a/modules/team_planner/config/locales/crowdin/tr.yml
+++ b/modules/team_planner/config/locales/crowdin/tr.yml
@@ -6,7 +6,7 @@ tr:
   team_planner:
     label_team_planner: "Team planner"
     label_team_planner_plural: "Team planners"
-    label_assignees: "Assignees"
+    label_assignees: "Devralanlar"
     upsale:
       title: "Team planner"
       description: "Team planner gives you a complete overview what each of team member is working on, one week at a time. Move, stretch and shrink work packages visually, and even drag them from one assignee to another to organise workload. You can even create new work packages or add existing ones, all from within team planner!"
diff --git a/modules/team_planner/config/locales/crowdin/uk.yml b/modules/team_planner/config/locales/crowdin/uk.yml
index 40cd6c96aa..09f6d603c0 100644
--- a/modules/team_planner/config/locales/crowdin/uk.yml
+++ b/modules/team_planner/config/locales/crowdin/uk.yml
@@ -1,12 +1,12 @@
 #English strings go here
 uk:
-  permission_view_team_planner: "View team planner"
-  permission_manage_team_planner: "Manage team planner"
-  project_module_team_planner_view: "Team planner"
+  permission_view_team_planner: "Перегляд командного планувальника"
+  permission_manage_team_planner: "Керування командним планувальником"
+  project_module_team_planner_view: "Командний планувальник"
   team_planner:
-    label_team_planner: "Team planner"
-    label_team_planner_plural: "Team planners"
-    label_assignees: "Assignees"
+    label_team_planner: "Командний планувальник"
+    label_team_planner_plural: "Командні планувальники"
+    label_assignees: "Виконавці"
     upsale:
-      title: "Team planner"
-      description: "Team planner gives you a complete overview what each of team member is working on, one week at a time. Move, stretch and shrink work packages visually, and even drag them from one assignee to another to organise workload. You can even create new work packages or add existing ones, all from within team planner!"
+      title: "Командний планувальник"
+      description: "Командний планувальник надає повний огляд того, над чим працює кожен з учасників команди (потижнево). Переміщуйте, розтягуйте й зменшуйте пакети робіт і навіть перетягуйте їх між виконавцями, щоб розподіляти робоче навантаження. Ви також можете створювати нові пакети робіт або додавати наявні – усе за допомогою вбудованого командного планувальника!"
diff --git a/modules/team_planner/openproject-team_planner.gemspec b/modules/team_planner/openproject-team_planner.gemspec
index 52de65d248..85016e1d48 100644
--- a/modules/team_planner/openproject-team_planner.gemspec
+++ b/modules/team_planner/openproject-team_planner.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = 'openproject-team_planner'
   s.version     = '1.0.0'
diff --git a/modules/team_planner/spec/features/onboarding/team_planner_onboarding_tour_spec.rb b/modules/team_planner/spec/features/onboarding/team_planner_onboarding_tour_spec.rb
new file mode 100644
index 0000000000..3766241a82
--- /dev/null
+++ b/modules/team_planner/spec/features/onboarding/team_planner_onboarding_tour_spec.rb
@@ -0,0 +1,113 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2022 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+require 'spec_helper'
+require_relative './../../support/onboarding/onboarding_steps'
+
+describe 'team planner onboarding tour', js: true do
+  let(:next_button) { find('.enjoyhint_next_btn') }
+
+  let(:demo_project) do
+    create :project,
+           name: 'Demo project',
+           identifier: 'demo-project',
+           public: true,
+           enabled_module_names: %w[work_package_tracking wiki team_planner_view]
+  end
+  let(:scrum_project) do
+    create :project,
+           name: 'Scrum project',
+           identifier: 'your-scrum-project',
+           public: true,
+           enabled_module_names: %w[work_package_tracking wiki]
+  end
+
+  let(:user) do
+    create :admin,
+           member_in_project: demo_project,
+           member_with_permissions: %w[view_work_packages edit_work_packages add_work_packages
+                                       view_team_planner manage_team_planner save_queries manage_public_queries
+                                       work_package_assigned]
+  end
+
+  let!(:wp1) do
+    create(:work_package,
+           project: demo_project,
+           assigned_to: user,
+           start_date: Time.zone.today,
+           due_date: Time.zone.today)
+  end
+  let!(:wp2) { create(:work_package, project: scrum_project) }
+
+  let(:query) { create :query, user: user, project: demo_project, public: true, name: 'Team planner' }
+  let(:team_plan) do
+    create :view_team_planner,
+           query: query,
+           assignees: [user],
+           projects: [demo_project, scrum_project]
+  end
+
+  before do
+    team_plan
+    with_enterprise_token :team_planner_view
+    login_as user
+
+    allow(Setting).to receive(:demo_projects_available).and_return(true)
+    allow(Setting).to receive(:demo_view_of_type_team_planner_seeded).and_return(true)
+  end
+
+  after do
+    # Clear session to avoid that the onboarding tour starts
+    page.execute_script("window.sessionStorage.clear();")
+  end
+
+  context 'as a new user' do
+    it 'I see the team planner onboarding tour in the demo project' do
+      # Set the tour parameter so that we can start on the wp page
+      visit "/projects/#{demo_project.identifier}/work_packages?start_onboarding_tour=true"
+
+      step_through_onboarding_wp_tour demo_project, wp1
+
+      step_through_onboarding_team_planner_tour
+
+      step_through_onboarding_main_menu_tour has_full_capabilities: true
+    end
+
+    it "I do not see the team planner onboarding tour in the scrum project" do
+      # Set sessionStorage value so that the tour knows that it is in the scum tour
+      page.execute_script("window.sessionStorage.setItem('openProject-onboardingTour', 'startMainTourFromBacklogs');")
+
+      # Set the tour parameter so that we can start on the wp page
+      visit "/projects/#{scrum_project.identifier}/work_packages?start_onboarding_tour=true"
+
+      step_through_onboarding_wp_tour scrum_project, wp2
+
+      step_through_onboarding_main_menu_tour has_full_capabilities: true
+    end
+  end
+end
diff --git a/modules/team_planner/spec/features/query_handling_spec.rb b/modules/team_planner/spec/features/query_handling_spec.rb
index 8b483e6d92..225ec78959 100644
--- a/modules/team_planner/spec/features/query_handling_spec.rb
+++ b/modules/team_planner/spec/features/query_handling_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/shared_context.rb b/modules/team_planner/spec/features/shared_context.rb
index 9092a1dffe..d8f6f1ac7b 100644
--- a/modules/team_planner/spec/features/shared_context.rb
+++ b/modules/team_planner/spec/features/shared_context.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -33,7 +31,7 @@ require_relative '../support/pages/team_planner'
 
 shared_context 'with team planner full access' do
   shared_let(:project) do
-    create(:project, enabled_module_names: %w[work_package_tracking team_planner_view])
+    create(:project)
   end
 
   shared_let(:user) do
@@ -43,6 +41,7 @@ shared_context 'with team planner full access' do
              view_work_packages edit_work_packages add_work_packages
              view_team_planner manage_team_planner
              save_queries manage_public_queries
+             work_package_assigned
            ]
   end
 
diff --git a/modules/team_planner/spec/features/team_planner_add_existing_work_packages_spec.rb b/modules/team_planner/spec/features/team_planner_add_existing_work_packages_spec.rb
index 1e231d25d5..7c9b1a264d 100644
--- a/modules/team_planner/spec/features/team_planner_add_existing_work_packages_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_add_existing_work_packages_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_context_menu_spec.rb b/modules/team_planner/spec/features/team_planner_context_menu_spec.rb
new file mode 100644
index 0000000000..c948344270
--- /dev/null
+++ b/modules/team_planner/spec/features/team_planner_context_menu_spec.rb
@@ -0,0 +1,59 @@
+require 'spec_helper'
+require_relative 'shared_context'
+require 'features/work_packages/table/context_menu/context_menu_shared_examples'
+
+describe 'Work package table context menu', js: true do
+  include_context 'with team planner full access'
+
+  let!(:work_package) do
+    create :work_package,
+           project: project,
+           assigned_to: user,
+           start_date: Time.zone.today.beginning_of_week.next_occurring(:tuesday),
+           due_date: Time.zone.today.beginning_of_week.next_occurring(:thursday)
+  end
+  let(:menu) { Components::WorkPackages::ContextMenu.new }
+
+  shared_let(:user) do
+    create :admin,
+           member_in_project: project,
+           member_with_permissions: %w[
+             view_work_packages edit_work_packages add_work_packages
+             view_team_planner manage_team_planner
+             save_queries manage_public_queries
+             work_package_assigned
+           ]
+  end
+
+  before do
+    with_enterprise_token(:team_planner_view)
+    login_as user
+    team_planner.visit!
+
+    team_planner.add_assignee user
+    team_planner.within_lane(user) do
+      team_planner.expect_event work_package
+    end
+  end
+
+  it_behaves_like 'provides a single WP context menu' do
+    let(:open_context_menu) do
+      -> {
+        team_planner.visit!
+        loading_indicator_saveguard
+
+        retry_block do
+          team_planner.add_assignee user
+        end
+
+        team_planner.within_lane(user) do
+          team_planner.expect_event work_package
+        end
+
+        # Open context menu
+        menu.expect_closed
+        menu.open_for(work_package, card_view: true)
+      }
+    end
+  end
+end
diff --git a/modules/team_planner/spec/features/team_planner_create_spec.rb b/modules/team_planner/spec/features/team_planner_create_spec.rb
index f5f5df8006..b54e7257d7 100644
--- a/modules/team_planner/spec/features/team_planner_create_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_create_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_error_handling_spec.rb b/modules/team_planner/spec/features/team_planner_error_handling_spec.rb
index 3c45dfdd2d..d20cc21d7f 100644
--- a/modules/team_planner/spec/features/team_planner_error_handling_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_error_handling_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_index_spec.rb b/modules/team_planner/spec/features/team_planner_index_spec.rb
index 623bef1c35..e57c809cde 100644
--- a/modules/team_planner/spec/features/team_planner_index_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_index_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_menu_spec.rb b/modules/team_planner/spec/features/team_planner_menu_spec.rb
index 2d559d508e..8c8ba92fae 100644
--- a/modules/team_planner/spec/features/team_planner_menu_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_menu_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_project_include_spec.rb b/modules/team_planner/spec/features/team_planner_project_include_spec.rb
index 39785d086f..01ac4467cb 100644
--- a/modules/team_planner/spec/features/team_planner_project_include_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_project_include_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_remove_event_spec.rb b/modules/team_planner/spec/features/team_planner_remove_event_spec.rb
index 871d9713bd..f87f6b37d9 100644
--- a/modules/team_planner/spec/features/team_planner_remove_event_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_remove_event_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_spec.rb b/modules/team_planner/spec/features/team_planner_spec.rb
index 5562435945..8d78d500ef 100644
--- a/modules/team_planner/spec/features/team_planner_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_split_view_spec.rb b/modules/team_planner/spec/features/team_planner_split_view_spec.rb
index 6539b2ec83..9834eff685 100644
--- a/modules/team_planner/spec/features/team_planner_split_view_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_split_view_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_subproject_constraints_spec.rb b/modules/team_planner/spec/features/team_planner_subproject_constraints_spec.rb
new file mode 100644
index 0000000000..e5a6184264
--- /dev/null
+++ b/modules/team_planner/spec/features/team_planner_subproject_constraints_spec.rb
@@ -0,0 +1,97 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2022 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+require 'spec_helper'
+require_relative './shared_context'
+
+describe 'Team planner constraints for a subproject', type: :feature, js: true do
+  before do
+    with_enterprise_token(:team_planner_view)
+  end
+
+  include_context 'with team planner full access'
+
+  let!(:other_user) do
+    create :user,
+           firstname: 'Bernd',
+           member_in_project: project,
+           member_with_permissions: %w[
+             view_work_packages view_team_planner work_package_assigned
+           ]
+  end
+
+  let!(:subproject) { create :project, parent: project }
+  let!(:role) { create :role, permissions: %i[view_work_packages edit_work_packages work_package_assigned] }
+  let!(:member) { create :member, principal: user, project: subproject, roles: [role] }
+  let(:project_include) { ::Components::ProjectIncludeComponent.new }
+
+  let!(:work_package) do
+    create :work_package,
+           project: subproject,
+           assigned_to: user,
+           start_date: Time.zone.today.beginning_of_week.next_occurring(:tuesday),
+           due_date: Time.zone.today.beginning_of_week.next_occurring(:thursday)
+  end
+
+  it 'shows a visual aid that the other user cannot be assigned' do
+    team_planner.visit!
+
+    team_planner.add_assignee user
+    retry_block do
+      team_planner.add_assignee other_user
+    end
+
+    # Include the subproject
+    project_include.toggle!
+    project_include.toggle_checkbox(subproject.id)
+    project_include.click_button 'Apply'
+    project_include.expect_count 2
+
+    team_planner.within_lane(user) do
+      team_planner.expect_event work_package
+    end
+
+    retry_block do
+      # Ensure we're not dragging anything
+      drag_release
+
+      # Try to drag work package to other user
+      start_dragging team_planner.event(work_package)
+      drag_element_to find(".fc-timeline-lane[data-resource-id='/api/v3/users/#{other_user.id}']")
+
+      # Expect background event on other user
+      page.find(".fc-timeline-lane[data-resource-id='/api/v3/users/#{other_user.id}'] .fc-bg-event")
+      drag_element_to find(".fc-timeline-lane[data-resource-id='/api/v3/users/#{user.id}']")
+      drag_release
+
+      unless page.has_no_selector?(".fc-timeline-lane[data-resource-id='/api/v3/users/#{other_user.id}'] .fc-bg-event")
+        raise "Expected to have no bg-event after release"
+      end
+    end
+  end
+end
diff --git a/modules/team_planner/spec/features/team_planner_upsale_spec.rb b/modules/team_planner/spec/features/team_planner_upsale_spec.rb
index fc1f42471e..69915a6a2f 100644
--- a/modules/team_planner/spec/features/team_planner_upsale_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_upsale_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/features/team_planner_user_interaction_spec.rb b/modules/team_planner/spec/features/team_planner_user_interaction_spec.rb
index 55354ed836..898d085bde 100644
--- a/modules/team_planner/spec/features/team_planner_user_interaction_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_user_interaction_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -43,7 +41,7 @@ describe 'Team planner drag&dop and resizing', type: :feature, js: true do
            firstname: 'Bernd',
            member_in_project: project,
            member_with_permissions: %w[
-             view_work_packages view_team_planner
+             view_work_packages view_team_planner work_package_assigned
            ]
   end
 
@@ -95,7 +93,7 @@ describe 'Team planner drag&dop and resizing', type: :feature, js: true do
     it 'allows to drag&drop between the lanes to change the assignee' do
       # Move first wp to the user
       retry_block do
-        team_planner.drag_wp_by_pixel(first_wp, 0, -100)
+        team_planner.drag_wp_to_lane(first_wp, user)
       end
       team_planner.expect_and_dismiss_toaster(message: I18n.t('js.notice_successful_update'))
 
@@ -113,7 +111,7 @@ describe 'Team planner drag&dop and resizing', type: :feature, js: true do
 
       # Move second wp to the user, resulting in the other user having no WPs any more
       retry_block do
-        team_planner.drag_wp_by_pixel(second_wp, 0, -100)
+        team_planner.drag_wp_to_lane(second_wp, user)
       end
       team_planner.expect_and_dismiss_toaster(message: I18n.t('js.notice_successful_update'))
 
@@ -131,7 +129,7 @@ describe 'Team planner drag&dop and resizing', type: :feature, js: true do
 
       # Move the third WP to the empty row of the other user
       retry_block do
-        team_planner.drag_wp_by_pixel(third_wp, 0, 200)
+        team_planner.drag_wp_to_lane(third_wp, other_user)
       end
       team_planner.expect_and_dismiss_toaster(message: I18n.t('js.notice_successful_update'))
 
diff --git a/modules/team_planner/spec/features/team_planner_view_modes_spec.rb b/modules/team_planner/spec/features/team_planner_view_modes_spec.rb
index 9b6808fbc5..59f161ceb9 100644
--- a/modules/team_planner/spec/features/team_planner_view_modes_spec.rb
+++ b/modules/team_planner/spec/features/team_planner_view_modes_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/team_planner/spec/support/components/add_existing_pane.rb b/modules/team_planner/spec/support/components/add_existing_pane.rb
index a3dc10a2d2..d68b2bc259 100644
--- a/modules/team_planner/spec/support/components/add_existing_pane.rb
+++ b/modules/team_planner/spec/support/components/add_existing_pane.rb
@@ -55,7 +55,7 @@ module Components
     end
 
     def search(term)
-      page.find("[data-qa-selector='op-add-existing-pane--search-input']").set(term)
+      page.find("[data-qa-selector='op-add-existing-pane--search-input'] input").set(term)
     end
 
     def expect_result(work_package, visible: true)
diff --git a/modules/team_planner/spec/support/onboarding/onboarding_steps.rb b/modules/team_planner/spec/support/onboarding/onboarding_steps.rb
new file mode 100644
index 0000000000..9bd46d2222
--- /dev/null
+++ b/modules/team_planner/spec/support/onboarding/onboarding_steps.rb
@@ -0,0 +1,54 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2022 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module OnboardingSteps
+  def step_through_onboarding_team_planner_tour
+    next_button.click
+    expect(page).to have_text sanitize_string(I18n.t('js.onboarding.steps.team_planner.overview')), normalize_ws: true
+
+    next_button.click
+    expect(page)
+      .to have_text sanitize_string(I18n.t('js.onboarding.steps.team_planner.calendar')), normalize_ws: true, wait: 5
+
+    next_button.click
+    expect(page)
+      .to have_text sanitize_string(I18n.t('js.onboarding.steps.team_planner.add_assignee')), normalize_ws: true
+
+    next_button.click
+    expect(page)
+      .to have_text sanitize_string(I18n.t('js.onboarding.steps.team_planner.add_existing')), normalize_ws: true
+
+    next_button.click
+    expect(page)
+      .to have_text sanitize_string(I18n.t('js.onboarding.steps.team_planner.card')), normalize_ws: true
+  end
+end
+
+RSpec.configure do |config|
+  config.include OnboardingSteps
+end
diff --git a/modules/team_planner/spec/support/pages/team_planner.rb b/modules/team_planner/spec/support/pages/team_planner.rb
index 20a0f99758..1c94f849e3 100644
--- a/modules/team_planner/spec/support/pages/team_planner.rb
+++ b/modules/team_planner/spec/support/pages/team_planner.rb
@@ -118,14 +118,15 @@ module Pages
     def within_lane(user, &block)
       raise ArgumentError.new("Expected instance of principal") unless user.is_a?(Principal)
 
-      type = ::API::V3::Principals::PrincipalType.for(user)
-      href = ::API::V3::Utilities::PathHelper::ApiV3Path.send(type, user.id)
-
-      page.within(%(.fc-timeline-lane[data-resource-id="#{href}"]), &block)
+      page.within(lane(user), &block)
     end
 
     def expect_event(work_package, present: true)
-      expect(page).to have_conditional_selector(present, '.fc-event', text: work_package.subject)
+      if present
+        expect(page).to have_selector('.fc-event', text: work_package.subject, wait: 10)
+      else
+        expect(page).to have_no_selector('.fc-event', text: work_package.subject)
+      end
     end
 
     def add_assignee(name)
@@ -174,6 +175,13 @@ module Pages
       drag_by_pixel(element: source, by_x: by_x, by_y: by_y)
     end
 
+    def drag_wp_to_lane(work_package, user)
+      wp_strip = event(work_package)
+      lane = lane(user)
+
+      drag_by_pixel(element: wp_strip, by_x: 0, by_y: y_distance(from: wp_strip, to: lane))
+    end
+
     def drag_to_remove_dropzone(work_package, expect_removable: true)
       source = event(work_package)
 
@@ -210,6 +218,13 @@ module Pages
       page.find('.fc-event', text: work_package.subject)
     end
 
+    def lane(user)
+      type = ::API::V3::Principals::PrincipalType.for(user)
+      href = ::API::V3::Utilities::PathHelper::ApiV3Path.send(type, user.id)
+
+      page.find(%(.fc-timeline-lane[data-resource-id="#{href}"]))
+    end
+
     def expect_wp_not_resizable(work_package)
       expect(page).to have_selector('.fc-event:not(.fc-event-resizable)', text: work_package.subject)
     end
@@ -221,5 +236,13 @@ module Pages
     def expect_no_menu_item(name)
       expect(page).not_to have_selector('.op-sidemenu--item-title', text: name)
     end
+
+    def y_distance(from:, to:)
+      y_center(to) - y_center(from)
+    end
+
+    def y_center(element)
+      element.native.location.y + (element.native.size.height / 2)
+    end
   end
 end
diff --git a/modules/two_factor_authentication/config/locales/crowdin/de.yml b/modules/two_factor_authentication/config/locales/crowdin/de.yml
index c46f67d5d0..c378a7bff1 100644
--- a/modules/two_factor_authentication/config/locales/crowdin/de.yml
+++ b/modules/two_factor_authentication/config/locales/crowdin/de.yml
@@ -71,7 +71,7 @@ de:
       text_2fa_enabled: 'Bei jedem Login werden dieser Nutzer aufgefordert, ein Einmalpasswort aus seinem Standardgerät für 2FA einzugeben.'
       text_2fa_disabled: "Der Nutzer hat kein 2FA-Gerät über seine Kontoseite registriert"
     upsale:
-      title: 'Two-factor authentication'
+      title: 'Zwei-Faktor-Authentifizierung'
       description: 'Stärken Sie Ihre interne oder externe Authentifizierung mittels Zwei-Faktor-Authentifizierung.'
     backup_codes:
       none_found: Keine 2FA Backup-Codes für dieses Konto gefunden.
diff --git a/modules/two_factor_authentication/config/locales/crowdin/es.yml b/modules/two_factor_authentication/config/locales/crowdin/es.yml
index 39567a5e15..c46cf5c1f3 100644
--- a/modules/two_factor_authentication/config/locales/crowdin/es.yml
+++ b/modules/two_factor_authentication/config/locales/crowdin/es.yml
@@ -72,7 +72,7 @@ es:
       text_2fa_enabled: 'Después de cada inicio de sesión, se le pedirá a este usuario que ingrese un token OTP desde su dispositivo 2FA predeterminado.'
       text_2fa_disabled: "El usuario no configuró un dispositivo 2FA a través de su página 'Mi cuenta'"
     upsale:
-      title: 'Two-factor authentication'
+      title: 'Autenticación de dos factores'
       description: 'Fortalezca sus mecanismos de autenticación interna o externa con un segundo factor.'
     backup_codes:
       none_found: No existen códigos de respaldo para esta cuenta.
diff --git a/modules/two_factor_authentication/config/locales/crowdin/uk.yml b/modules/two_factor_authentication/config/locales/crowdin/uk.yml
index 4742c82f34..8aadaab5f2 100644
--- a/modules/two_factor_authentication/config/locales/crowdin/uk.yml
+++ b/modules/two_factor_authentication/config/locales/crowdin/uk.yml
@@ -72,7 +72,7 @@ uk:
       text_2fa_enabled: 'Після кожного входу користувачеві буде запропоновано ввести маркер OTP зі свого пристрою за умовчанням 2FA.'
       text_2fa_disabled: "Користувач не налаштував пристрій 2FA через свою сторінку \"Мій обліковий запис\""
     upsale:
-      title: 'Two-factor authentication'
+      title: 'Двофакторна аутентифікація'
       description: 'Зміцнюйте свої внутрішні або зовнішні механізми аутентифікації другим фактором.'
     backup_codes:
       none_found: Для цього облікового запису не існує резервних кодів.
@@ -166,7 +166,7 @@ uk:
   label_confirmed: 'Підтверджено'
   button_continue: 'Продовжити'
   button_make_default: 'Позначити за умовчанням'
-  label_unverified_phone: "Cell phone not yet verified"
+  label_unverified_phone: "Мобільний телефон не перевірено"
   notice_phone_number_format: "Введіть номер у такому форматі: + XX XXXXXXXX."
   text_otp_not_receive: "Інші методи верифікації"
   text_send_otp_again: "Повторно надіслати одноразовий пароль:"
diff --git a/modules/two_factor_authentication/openproject-two_factor_authentication.gemspec b/modules/two_factor_authentication/openproject-two_factor_authentication.gemspec
index 023f0cf9b1..d7cb62265c 100644
--- a/modules/two_factor_authentication/openproject-two_factor_authentication.gemspec
+++ b/modules/two_factor_authentication/openproject-two_factor_authentication.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-two_factor_authentication"
   s.version     = '1.0.0'
diff --git a/modules/webhooks/app/controllers/webhooks/incoming/hooks_controller.rb b/modules/webhooks/app/controllers/webhooks/incoming/hooks_controller.rb
index 7ab20aae9b..dc6745e574 100644
--- a/modules/webhooks/app/controllers/webhooks/incoming/hooks_controller.rb
+++ b/modules/webhooks/app/controllers/webhooks/incoming/hooks_controller.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/app/workers/attachment_webhook_job.rb b/modules/webhooks/app/workers/attachment_webhook_job.rb
index db1c8e1cb3..3f69c76237 100644
--- a/modules/webhooks/app/workers/attachment_webhook_job.rb
+++ b/modules/webhooks/app/workers/attachment_webhook_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/app/workers/project_webhook_job.rb b/modules/webhooks/app/workers/project_webhook_job.rb
index f30c020251..2aff29aae2 100644
--- a/modules/webhooks/app/workers/project_webhook_job.rb
+++ b/modules/webhooks/app/workers/project_webhook_job.rb
@@ -1,6 +1,4 @@
 require 'rest-client'
-
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/app/workers/represented_webhook_job.rb b/modules/webhooks/app/workers/represented_webhook_job.rb
index c65181660d..527ab2872d 100644
--- a/modules/webhooks/app/workers/represented_webhook_job.rb
+++ b/modules/webhooks/app/workers/represented_webhook_job.rb
@@ -1,6 +1,4 @@
 require 'rest-client'
-
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/app/workers/time_entry_webhook_job.rb b/modules/webhooks/app/workers/time_entry_webhook_job.rb
index d11457cfdc..dbfedf7c6d 100644
--- a/modules/webhooks/app/workers/time_entry_webhook_job.rb
+++ b/modules/webhooks/app/workers/time_entry_webhook_job.rb
@@ -1,6 +1,4 @@
 require 'rest-client'
-
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/app/workers/webhook_job.rb b/modules/webhooks/app/workers/webhook_job.rb
index 6e02106ad8..9be56483df 100644
--- a/modules/webhooks/app/workers/webhook_job.rb
+++ b/modules/webhooks/app/workers/webhook_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/app/workers/work_package_webhook_job.rb b/modules/webhooks/app/workers/work_package_webhook_job.rb
index ceed6dc1cf..ea886084cf 100644
--- a/modules/webhooks/app/workers/work_package_webhook_job.rb
+++ b/modules/webhooks/app/workers/work_package_webhook_job.rb
@@ -1,6 +1,4 @@
 require 'rest-client'
-
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/config/locales/crowdin/uk.yml b/modules/webhooks/config/locales/crowdin/uk.yml
index 98e9a6a0d0..171181e14b 100644
--- a/modules/webhooks/config/locales/crowdin/uk.yml
+++ b/modules/webhooks/config/locales/crowdin/uk.yml
@@ -2,13 +2,13 @@ uk:
   activerecord:
     attributes:
       webhooks/webhook:
-        url: 'Payload URL'
-        secret: 'Signature secret'
+        url: 'URL корисних даних'
+        secret: 'Секретний ключ підпису'
         events: 'Події'
         projects: 'Включені проекти'
       webhooks/log:
         event_name: 'Назва події'
-        url: 'Payload URL'
+        url: 'URL корисних даних'
         response_code: 'Код відповіді'
         response_body: 'Відповідь'
     models:
@@ -18,42 +18,42 @@ uk:
     plural: Вебхуки
     resources:
       time_entry:
-        name: "Time entry"
+        name: "Запис часу"
     outgoing:
       no_results_table: Немає доданих вебхуків.
       label_add_new: Додати новий вебхук
       label_edit: Редагувати вебхук
-      label_event_resources: Event resources
+      label_event_resources: Ресурси події
       events:
         created: "Створено"
         updated: "Оновлено"
       status:
         enabled: 'Вебхук увімкнено'
         disabled: 'Вебхук вимкнений'
-        enabled_text: 'The webhook will emit payloads for the defined events below.'
-        disabled_text: 'Click the edit button to activate the webhook.'
+        enabled_text: 'Вебгук випускатиме корисні дані для визначених подій нижче.'
+        disabled_text: 'Натисніть кнопку редагування, щоб активувати вебгук.'
       deliveries:
-        no_results_table: No deliveries have been made for this webhook.
+        no_results_table: Для цього вебгуку не виконано жодної доставки.
         title: 'Останні події'
         time: 'Час доставки'
       form:
         introduction: >
-          Send a POST request to the payload URL below for any event in the project you're subscribed to. Payload will correspond to the APIv3 representation of the object being modified.
-        apiv3_doc_url: For more information, visit the API documentation
+          Надішліть запит POST на URL-адресу корисних даних нижче для будь-якої події в проєкті, на яку ви підписані. Корисні дані збігатимуться з представленням APIv3 зміненого об’єкта.
+        apiv3_doc_url: Щоб дізнатися більше, ознайомтеся з документацією API
         description:
-          placeholder: 'Optional description for the webhook.'
+          placeholder: 'Необов’язковий опис вебгуку.'
         enabled:
           description: >
-            When checked, the webhook will trigger on the selected events. Uncheck to disable the webhook.
+            Якщо цей прапорець установлено, вебгук запускатиме вибрані події. Зніміть його, щоб вимкнути вебгук.
         events:
           title: 'Увімкнені події'
         project_ids:
           title: 'Включені проекти'
-          description: 'Select for which projects this webhook should be executed for.'
+          description: 'Виберіть, для яких проєктів виконуватиметься цей вебгук.'
           all: 'Всі проекти'
           selected: 'Тільки обрані проекти'
         selected_project_ids:
           title: 'Вибрані проекти'
         secret:
           description: >
-            If set, this secret value is used by OpenProject to sign the webhook payload.
+            Якщо встановлено, корисні дані вебгуку підписуватимуться за допомогою секретного значення.
diff --git a/modules/webhooks/openproject-webhooks.gemspec b/modules/webhooks/openproject-webhooks.gemspec
index f08c477c82..1eaa975556 100644
--- a/modules/webhooks/openproject-webhooks.gemspec
+++ b/modules/webhooks/openproject-webhooks.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-webhooks"
   s.version     = '1.0.0'
diff --git a/modules/webhooks/spec/workers/attachment_webhook_job_spec.rb b/modules/webhooks/spec/workers/attachment_webhook_job_spec.rb
index 8839ab5a4e..578a6aac6d 100644
--- a/modules/webhooks/spec/workers/attachment_webhook_job_spec.rb
+++ b/modules/webhooks/spec/workers/attachment_webhook_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/spec/workers/project_webhook_job_spec.rb b/modules/webhooks/spec/workers/project_webhook_job_spec.rb
index c9d35ea659..ee1ae57946 100644
--- a/modules/webhooks/spec/workers/project_webhook_job_spec.rb
+++ b/modules/webhooks/spec/workers/project_webhook_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/spec/workers/time_entry_webhook_job_spec.rb b/modules/webhooks/spec/workers/time_entry_webhook_job_spec.rb
index 76d143ae4e..6b0cfd2ae7 100644
--- a/modules/webhooks/spec/workers/time_entry_webhook_job_spec.rb
+++ b/modules/webhooks/spec/workers/time_entry_webhook_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/webhooks/spec/workers/work_package_webhook_job_spec.rb b/modules/webhooks/spec/workers/work_package_webhook_job_spec.rb
index 51ecfde4a1..054b38e8d0 100644
--- a/modules/webhooks/spec/workers/work_package_webhook_job_spec.rb
+++ b/modules/webhooks/spec/workers/work_package_webhook_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/modules/xls_export/config/locales/crowdin/uk.yml b/modules/xls_export/config/locales/crowdin/uk.yml
index 53df30a5bc..4d5644e0ee 100644
--- a/modules/xls_export/config/locales/crowdin/uk.yml
+++ b/modules/xls_export/config/locales/crowdin/uk.yml
@@ -1,5 +1,5 @@
 uk:
-  export_to_excel: "Export XLS"
+  export_to_excel: "Експорт XLS"
   print_with_description: "Друкувати попередній перегляд з описом"
   sentence_separator_or: "або"
   different_formats: Різні формати
diff --git a/modules/xls_export/openproject-xls_export.gemspec b/modules/xls_export/openproject-xls_export.gemspec
index ce1fe76d84..bc0aa14ff5 100644
--- a/modules/xls_export/openproject-xls_export.gemspec
+++ b/modules/xls_export/openproject-xls_export.gemspec
@@ -1,5 +1,3 @@
-# encoding: UTF-8
-
 Gem::Specification.new do |s|
   s.name        = "openproject-xls_export"
   s.version     = '1.0.0'
diff --git a/modules/xls_export/spec/patches/work_packages_controller_patch_spec.rb b/modules/xls_export/spec/patches/work_packages_controller_patch_spec.rb
index 2f83987cb5..59d8818e65 100644
--- a/modules/xls_export/spec/patches/work_packages_controller_patch_spec.rb
+++ b/modules/xls_export/spec/patches/work_packages_controller_patch_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/script/ci/cache_prepare.sh b/script/ci/cache_prepare.sh
index fd1672b786..30d7f8eb99 100644
--- a/script/ci/cache_prepare.sh
+++ b/script/ci/cache_prepare.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is a project management system.
 # Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
diff --git a/script/ci/db_setup.sh b/script/ci/db_setup.sh
index b101b10c46..a6b66d6e76 100644
--- a/script/ci/db_setup.sh
+++ b/script/ci/db_setup.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is a project management system.
 # Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
diff --git a/script/ci/runner.sh b/script/ci/runner.sh
index 566ff7cf51..2a311a0ee4 100644
--- a/script/ci/runner.sh
+++ b/script/ci/runner.sh
@@ -1,4 +1,3 @@
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is a project management system.
 # Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
diff --git a/script/ci/setup.sh b/script/ci/setup.sh
index 50374837ec..2bb1791cc5 100644
--- a/script/ci/setup.sh
+++ b/script/ci/setup.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is a project management system.
 # Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
diff --git a/script/migration/migrate-from-pre-8.sh b/script/migration/migrate-from-pre-8.sh
index 76bbcfc20e..451239e08e 100755
--- a/script/migration/migrate-from-pre-8.sh
+++ b/script/migration/migrate-from-pre-8.sh
@@ -17,7 +17,7 @@ if [[ -z "$1" ]] || [[ -z "$2" ]]; then
   exit 1
 fi
 
-CURRENT_OP_MAJOR_VERSION=11
+CURRENT_OP_MAJOR_VERSION="12"
 
 SECONDS=0
 
@@ -27,9 +27,11 @@ DUMP_FORMAT=${3:-custom}
 
 MYSQL_CONTAINER=opmysql
 POSTGRES_CONTAINER=oppostgres
+POSTGRES_VERSION=13
 OP7_CONTAINER=op7
 OP8_CONTAINER=op8
 OP10_CONTAINER=op10
+MIGRATE_CONTAINER=migrate8to10
 
 REMOVE_CONTAINERS=true
 
@@ -39,9 +41,15 @@ MYSQL_USER=root
 MYSQL_PWD=root
 DATABASE=openproject
 
-SKIP_STEP_1=false
+SKIP_STEP_1=${SKIP_STEP_1:-false}
 MIGRATION_TIMEOUT_S=600 # wait at most 10 minutes for the migration from 8 to 10 to finish
 
+docker stop $MYSQL_CONTAINER && docker rm $MYSQL_CONTAINER || true
+docker stop $OP7_CONTAINER && docker rm $OP7_CONTAINER || true
+docker stop $OP8_CONTAINER && docker rm $OP8_CONTAINER || true
+docker stop $POSTGRES_CONTAINER && docker rm $POSTGRES_CONTAINER || true
+docker stop $MIGRATE_CONTAINER && docker rm $MIGRATE_CONTAINER || true
+
 if [[ ! "$SKIP_STEP_1" = "true" ]]; then
   # STEP 1: Migrate from current (7) to 8 still in a MySQL database
   echo
@@ -162,11 +170,49 @@ fi
 echo
 echo "2) Migrate from 8 to 10 and from MySQL to Postgres"
 
+if [[ "$SKIP_STEP_1" = "true" ]]; then
+  # Start the MySQL database now as the first step was skipped
+  echo
+  echo "2.1) Starting mysql database..."
+  docker ps || true
+  if [[ ! `docker ps | grep $MYSQL_CONTAINER` ]]; then
+    docker run --rm -p $MYSQL_PORT:3306 -d --name $MYSQL_CONTAINER -e MYSQL_ROOT_PASSWORD=$MYSQL_PWD mysql:5.6
+    if [[ $? -gt 0 ]]; then exit 1; fi
+    docker exec -it $MYSQL_CONTAINER mysqladmin ping -u root --password=$MYSQL_PWD --wait=30
+    echo "  database started"
+  else
+    echo "  already running"
+  fi
+
+  echo
+  echo "2.2) Creating MySQL database for migration from OP 8"
+  echo "drop database if exists $DATABASE; create database $DATABASE;" | docker exec -i $MYSQL_CONTAINER mysql -p$MYSQL_PWD
+
+  if [[ $? -gt 0 ]]; then
+    echo "  Could not create database"
+    exit 1
+  else
+    echo "  Created database"
+  fi
+
+  echo
+  echo "2.3) Importing MySQL dump ($MYSQL_DUMP_FILE)"
+
+  cat $MYSQL_DUMP_FILE | docker exec -i $MYSQL_CONTAINER mysql -p$MYSQL_PWD $DATABASE
+
+  if [[ $? -gt 0 ]]; then
+    echo "  Could not import database"
+    exit 1
+  else
+    echo "  Imported database"
+  fi
+fi
+
 echo
-echo "2.1) Starting postgres database"
+echo "2.4) Starting postgres database"
 
 if [[ ! `docker ps | grep $POSTGRES_CONTAINER` ]]; then
-  docker run -p $POSTGRES_PORT:5432 -d --name $POSTGRES_CONTAINER -e POSTGRES_PASSWORD=postgres postgres:9.6
+  docker run -p $POSTGRES_PORT:5432 -d --name $POSTGRES_CONTAINER -e POSTGRES_PASSWORD=postgres postgres:$POSTGRES_VERSION
   if [[ $? -gt 0 ]]; then exit 1; fi
   sleep 10
   echo "  database started"
@@ -175,12 +221,12 @@ else
 fi
 
 echo
-echo "2.2) Migrating from MySQL to Postgres (and 8 to 10)"
+echo "2.5) Migrating from MySQL to Postgres (and 8 to 10)"
 
 docker run \
   --rm \
   -v $PWD:/data \
-  --name migrate8to10 \
+  --name $MIGRATE_CONTAINER \
   -e MYSQL_DATABASE_URL="mysql2://$MYSQL_USER:$MYSQL_PWD@$DOCKER_HOST_IP:$MYSQL_PORT/$DATABASE" \
   -e DATABASE_URL="postgresql://postgres:postgres@$DOCKER_HOST_IP:$POSTGRES_PORT/$DATABASE" \
   -e FORCE_YES=true \
@@ -199,9 +245,9 @@ else
 fi
 
 echo
-echo "2.3) Moving dangling tables from $DATABASE to public"
+echo "2.6) Moving dangling tables from $DATABASE to public"
 
-read -r -d '' MOVE_SCHEMA_FN <<EOF
+MOVE_SCHEMA_FN=$(cat <<-SQLFUNC
 CREATE OR REPLACE FUNCTION move_schema_to_public(old_schema varchar) RETURNS void LANGUAGE plpgsql VOLATILE AS
 \$\$
 DECLARE
@@ -213,14 +259,13 @@ BEGIN
     END LOOP;
 END;
 \$\$;
-EOF
+SQLFUNC
+)
 
-docker exec -e PGPASSWORD=postgres -it migrate8to10 psql \
-  -h $DOCKER_HOST_IP \
-  -p $POSTGRES_PORT \
+docker exec -it $POSTGRES_CONTAINER psql \
   -U postgres \
   -d $DATABASE \
-  -c "$(echo $MOVE_SCHEMA_FN); SELECT * FROM move_schema_to_public('$DATABASE');"
+  -c "$(echo $MOVE_SCHEMA_FN); SELECT * FROM move_schema_to_public('$DATABASE'); DROP SCHEMA IF EXISTS openproject;"
 
 if [[ $? -gt 0 ]]; then
   echo "  Could not move tables from $DATABASE to public. You may have to do this yourself."
@@ -230,9 +275,9 @@ else
 fi
 
 echo
-echo "3.4) Making extra sure primary keys are named correctly"
+echo "2.7) Making extra sure primary keys are named correctly"
 
-docker exec -it migrate8to10 \
+docker exec -it $MIGRATE_CONTAINER \
   bundle exec rake db:migrate:redo VERSION=20190502102512
 
 if [[ $? -gt 0 ]]; then
@@ -242,10 +287,8 @@ else
   echo "  Ensured correct primary key names."
 fi
 
-docker stop migrate8to10 > /dev/null # don't need this anymore
-
 echo
-echo "2.5) Migrating from 10 to current ($CURRENT_OP_MAJOR_VERSION)"
+echo "2.8) Migrating from 10 to current ($CURRENT_OP_MAJOR_VERSION)"
 
 docker pull openproject/community:$CURRENT_OP_MAJOR_VERSION
 
@@ -272,7 +315,7 @@ if [[ "$DUMP_FORMAT" = "sql" ]]; then
 fi
 
 echo
-echo "2.6) Dumping migrated database to $DATABASE-migrated.$EXT"
+echo "2.9) Dumping migrated database to $DATABASE-migrated.$EXT"
 
 OUTPUT_PARAMS="-F custom -f /data/$DATABASE-migrated.dump"
 OUTPUT_FILE="/dev/stdout"
@@ -289,7 +332,7 @@ docker run \
   --rm \
   -e PGPASSWORD=postgres \
   -v /tmp:/data \
-  -it openproject/community:11 pg_dump \
+  -it openproject/community:$CURRENT_OP_MAJOR_VERSION pg_dump \
     -h $DOCKER_HOST_IP \
     -p $POSTGRES_PORT \
     -U postgres \
@@ -314,6 +357,7 @@ if [[ ! "$REMOVE_CONTAINERS" = "false" ]]; then
   docker stop $OP7_CONTAINER && docker rm $OP7_CONTAINER
   docker stop $OP8_CONTAINER && docker rm $OP8_CONTAINER
   docker stop $POSTGRES_CONTAINER && docker rm $POSTGRES_CONTAINER
+  docker stop $MIGRATE_CONTAINER && docker rm $MIGRATE_CONTAINER
 fi
 
 echo "Finished after $(($SECONDS / 60)) minutes."
diff --git a/spec/cells/rails_cell_spec.rb b/spec/cells/rails_cell_spec.rb
index 785f538226..1466e952fe 100644
--- a/spec/cells/rails_cell_spec.rb
+++ b/spec/cells/rails_cell_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/attachments/create_contract_spec.rb b/spec/contracts/attachments/create_contract_spec.rb
index 0724fd79d8..ba931107f1 100644
--- a/spec/contracts/attachments/create_contract_spec.rb
+++ b/spec/contracts/attachments/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/authentication/omniauth_auth_hash_contract_spec.rb b/spec/contracts/authentication/omniauth_auth_hash_contract_spec.rb
index cbc44250db..5b16ca3ca9 100644
--- a/spec/contracts/authentication/omniauth_auth_hash_contract_spec.rb
+++ b/spec/contracts/authentication/omniauth_auth_hash_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/backups/create_contract_spec.rb b/spec/contracts/backups/create_contract_spec.rb
index 150b02dadc..b622380d1d 100644
--- a/spec/contracts/backups/create_contract_spec.rb
+++ b/spec/contracts/backups/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/custom_actions/cu_contract_spec.rb b/spec/contracts/custom_actions/cu_contract_spec.rb
index 177cac7c0f..8fc57787c4 100644
--- a/spec/contracts/custom_actions/cu_contract_spec.rb
+++ b/spec/contracts/custom_actions/cu_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/custom_fields/create_contract_spec.rb b/spec/contracts/custom_fields/create_contract_spec.rb
index 3b31350868..9d74f52dfa 100644
--- a/spec/contracts/custom_fields/create_contract_spec.rb
+++ b/spec/contracts/custom_fields/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/custom_fields/update_contract_spec.rb b/spec/contracts/custom_fields/update_contract_spec.rb
index 76877fac17..1a63547258 100644
--- a/spec/contracts/custom_fields/update_contract_spec.rb
+++ b/spec/contracts/custom_fields/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/groups/create_contract_spec.rb b/spec/contracts/groups/create_contract_spec.rb
index 45fa81b9cc..523622f854 100644
--- a/spec/contracts/groups/create_contract_spec.rb
+++ b/spec/contracts/groups/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/groups/shared_contract_examples.rb b/spec/contracts/groups/shared_contract_examples.rb
index 275eb2aee4..91af0c4533 100644
--- a/spec/contracts/groups/shared_contract_examples.rb
+++ b/spec/contracts/groups/shared_contract_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/groups/update_contract_spec.rb b/spec/contracts/groups/update_contract_spec.rb
index 51d1fa80b5..c84ee625fd 100644
--- a/spec/contracts/groups/update_contract_spec.rb
+++ b/spec/contracts/groups/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/messages/create_contract_spec.rb b/spec/contracts/messages/create_contract_spec.rb
index efb963c603..62eb86d979 100644
--- a/spec/contracts/messages/create_contract_spec.rb
+++ b/spec/contracts/messages/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/messages/shared_contract_examples.rb b/spec/contracts/messages/shared_contract_examples.rb
index 44dc76637c..87082fc40d 100644
--- a/spec/contracts/messages/shared_contract_examples.rb
+++ b/spec/contracts/messages/shared_contract_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/messages/update_contract_spec.rb b/spec/contracts/messages/update_contract_spec.rb
index 1d2ad66c12..f30f81d42a 100644
--- a/spec/contracts/messages/update_contract_spec.rb
+++ b/spec/contracts/messages/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/placeholder_users/create_contract_spec.rb b/spec/contracts/placeholder_users/create_contract_spec.rb
index f5cea9b5ab..7c6263b0c2 100644
--- a/spec/contracts/placeholder_users/create_contract_spec.rb
+++ b/spec/contracts/placeholder_users/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/placeholder_users/delete_contract_spec.rb b/spec/contracts/placeholder_users/delete_contract_spec.rb
index 1d82e98b76..eb1df5be01 100644
--- a/spec/contracts/placeholder_users/delete_contract_spec.rb
+++ b/spec/contracts/placeholder_users/delete_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/placeholder_users/shared_contract_examples.rb b/spec/contracts/placeholder_users/shared_contract_examples.rb
index acd70f0e4e..193f336dc9 100644
--- a/spec/contracts/placeholder_users/shared_contract_examples.rb
+++ b/spec/contracts/placeholder_users/shared_contract_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/placeholder_users/update_contract_spec.rb b/spec/contracts/placeholder_users/update_contract_spec.rb
index a367fd3c6f..f5d72c9724 100644
--- a/spec/contracts/placeholder_users/update_contract_spec.rb
+++ b/spec/contracts/placeholder_users/update_contract_spec.rb
@@ -1,4 +1,3 @@
-#-- encoding: UTF-8
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/projects/archive_contract_spec.rb b/spec/contracts/projects/archive_contract_spec.rb
index b23c888213..bea00aa5e5 100644
--- a/spec/contracts/projects/archive_contract_spec.rb
+++ b/spec/contracts/projects/archive_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/projects/delete_contract_spec.rb b/spec/contracts/projects/delete_contract_spec.rb
index c100c4f854..e38741ee7d 100644
--- a/spec/contracts/projects/delete_contract_spec.rb
+++ b/spec/contracts/projects/delete_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/projects/enabled_modules_contract_spec.rb b/spec/contracts/projects/enabled_modules_contract_spec.rb
index d59a08ca3c..8a54053e4f 100644
--- a/spec/contracts/projects/enabled_modules_contract_spec.rb
+++ b/spec/contracts/projects/enabled_modules_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/projects/unarchive_contract_spec.rb b/spec/contracts/projects/unarchive_contract_spec.rb
index c7c1b583e7..c8617a95a9 100644
--- a/spec/contracts/projects/unarchive_contract_spec.rb
+++ b/spec/contracts/projects/unarchive_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/queries/update_contract_spec.rb b/spec/contracts/queries/update_contract_spec.rb
index 20dd917974..37c2a8a34e 100644
--- a/spec/contracts/queries/update_contract_spec.rb
+++ b/spec/contracts/queries/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/relations/create_contract_spec.rb b/spec/contracts/relations/create_contract_spec.rb
index 5e83891afb..3745156309 100644
--- a/spec/contracts/relations/create_contract_spec.rb
+++ b/spec/contracts/relations/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/roles/create_contract_spec.rb b/spec/contracts/roles/create_contract_spec.rb
index cd72139e42..0f484c91b4 100644
--- a/spec/contracts/roles/create_contract_spec.rb
+++ b/spec/contracts/roles/create_contract_spec.rb
@@ -34,7 +34,6 @@ describe Roles::CreateContract do
     let(:role) do
       Role.new.tap do |r|
         r.name = role_name
-        r.assignable = role_assignable
         r.permissions = role_permissions
       end
     end
diff --git a/spec/contracts/roles/shared_contract_examples.rb b/spec/contracts/roles/shared_contract_examples.rb
index b60f8839f9..565127aca3 100644
--- a/spec/contracts/roles/shared_contract_examples.rb
+++ b/spec/contracts/roles/shared_contract_examples.rb
@@ -34,7 +34,6 @@ shared_examples_for 'roles contract' do
   end
   let(:role_instance) { Role.new }
   let(:role_name) { 'A role name' }
-  let(:role_assignable) { true }
   let(:role_permissions) { [:view_work_packages] }
 
   def expect_valid(valid, symbols = {})
diff --git a/spec/contracts/roles/update_contract_spec.rb b/spec/contracts/roles/update_contract_spec.rb
index 80a710539e..1b06845b3d 100644
--- a/spec/contracts/roles/update_contract_spec.rb
+++ b/spec/contracts/roles/update_contract_spec.rb
@@ -33,10 +33,8 @@ describe Roles::UpdateContract do
   it_behaves_like 'roles contract' do
     let(:role) do
       build_stubbed(:role,
-                    name: 'Some name',
-                    assignable: !role_assignable).tap do |r|
+                    name: 'Some name').tap do |r|
         r.name = role_name
-        r.assignable = role_assignable
         r.permissions = role_permissions
       end
     end
diff --git a/spec/contracts/settings/update_contract_spec.rb b/spec/contracts/settings/update_contract_spec.rb
index cc44191f11..cb125a77ec 100644
--- a/spec/contracts/settings/update_contract_spec.rb
+++ b/spec/contracts/settings/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/user_preferences/params_contract_spec.rb b/spec/contracts/user_preferences/params_contract_spec.rb
index a2aa8c1260..dc690387a8 100644
--- a/spec/contracts/user_preferences/params_contract_spec.rb
+++ b/spec/contracts/user_preferences/params_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/user_preferences/update_contract_spec.rb b/spec/contracts/user_preferences/update_contract_spec.rb
index 812e4bf3f7..e9f501c117 100644
--- a/spec/contracts/user_preferences/update_contract_spec.rb
+++ b/spec/contracts/user_preferences/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/users/create_contract_spec.rb b/spec/contracts/users/create_contract_spec.rb
index fdfaf98311..63f8a87c4b 100644
--- a/spec/contracts/users/create_contract_spec.rb
+++ b/spec/contracts/users/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/users/shared_contract_examples.rb b/spec/contracts/users/shared_contract_examples.rb
index 6e5f88af00..de1fc1a479 100644
--- a/spec/contracts/users/shared_contract_examples.rb
+++ b/spec/contracts/users/shared_contract_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/users/update_contract_spec.rb b/spec/contracts/users/update_contract_spec.rb
index b98c5f5cc0..ee3e1f8726 100644
--- a/spec/contracts/users/update_contract_spec.rb
+++ b/spec/contracts/users/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/work_packages/create_contract_spec.rb b/spec/contracts/work_packages/create_contract_spec.rb
index 9ad3863bb3..69a0f0a6bf 100644
--- a/spec/contracts/work_packages/create_contract_spec.rb
+++ b/spec/contracts/work_packages/create_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/work_packages/create_note_contract_spec.rb b/spec/contracts/work_packages/create_note_contract_spec.rb
index 5c9c175867..8bf3d10008 100644
--- a/spec/contracts/work_packages/create_note_contract_spec.rb
+++ b/spec/contracts/work_packages/create_note_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/contracts/work_packages/shared_base_contract.rb b/spec/contracts/work_packages/shared_base_contract.rb
index 71d086da2e..a1901d24db 100644
--- a/spec/contracts/work_packages/shared_base_contract.rb
+++ b/spec/contracts/work_packages/shared_base_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/contracts/work_packages/update_contract_spec.rb b/spec/contracts/work_packages/update_contract_spec.rb
index c2dd170582..d5e94e8ddd 100644
--- a/spec/contracts/work_packages/update_contract_spec.rb
+++ b/spec/contracts/work_packages/update_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/controllers/enumerations_controller_spec.rb b/spec/controllers/enumerations_controller_spec.rb
index 4046fee7ce..6f0c5b5db7 100644
--- a/spec/controllers/enumerations_controller_spec.rb
+++ b/spec/controllers/enumerations_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/controllers/groups_controller_spec.rb b/spec/controllers/groups_controller_spec.rb
index dccc58ef1a..8d799b052d 100644
--- a/spec/controllers/groups_controller_spec.rb
+++ b/spec/controllers/groups_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/controllers/repositories_controller_spec.rb b/spec/controllers/repositories_controller_spec.rb
index 4ea5c5e50b..bdc3181b41 100644
--- a/spec/controllers/repositories_controller_spec.rb
+++ b/spec/controllers/repositories_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/controllers/work_packages/bulk_controller_spec.rb b/spec/controllers/work_packages/bulk_controller_spec.rb
index 5174aeec9b..a96faf32d0 100644
--- a/spec/controllers/work_packages/bulk_controller_spec.rb
+++ b/spec/controllers/work_packages/bulk_controller_spec.rb
@@ -58,7 +58,8 @@ describe WorkPackages::BulkController, type: :controller, with_settings: { journ
            permissions: %i[edit_work_packages
                            view_work_packages
                            manage_subtasks
-                           assign_versions])
+                           assign_versions
+                           work_package_assigned])
   end
   let(:member1_p1) do
     create(:member,
diff --git a/spec/controllers/work_packages/moves_controller_spec.rb b/spec/controllers/work_packages/moves_controller_spec.rb
index a47afee858..231db99cd0 100644
--- a/spec/controllers/work_packages/moves_controller_spec.rb
+++ b/spec/controllers/work_packages/moves_controller_spec.rb
@@ -37,7 +37,8 @@ describe WorkPackages::MovesController, type: :controller, with_settings: { jour
                            add_work_packages
                            edit_work_packages
                            assign_versions
-                           manage_subtasks)
+                           manage_subtasks
+                           work_package_assigned)
   end
   let(:type) { create :type }
   let(:type_2) { create :type }
diff --git a/spec/controllers/work_packages_controller_spec.rb b/spec/controllers/work_packages_controller_spec.rb
index ba819c83bb..02c59cbf28 100644
--- a/spec/controllers/work_packages_controller_spec.rb
+++ b/spec/controllers/work_packages_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/controllers/workflows_controller_spec.rb b/spec/controllers/workflows_controller_spec.rb
index 20a6e4cfe1..8608d046ea 100644
--- a/spec/controllers/workflows_controller_spec.rb
+++ b/spec/controllers/workflows_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/decorators/single_spec.rb b/spec/decorators/single_spec.rb
index a9cf77db51..363403df41 100644
--- a/spec/decorators/single_spec.rb
+++ b/spec/decorators/single_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/factories/project_factory.rb b/spec/factories/project_factory.rb
index 33d3c85fe4..7beea9d8a7 100644
--- a/spec/factories/project_factory.rb
+++ b/spec/factories/project_factory.rb
@@ -1,5 +1,3 @@
-# encoding: utf-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/factories/project_status.rb b/spec/factories/project_status.rb
index ba1ee77060..0d06f3e597 100644
--- a/spec/factories/project_status.rb
+++ b/spec/factories/project_status.rb
@@ -1,5 +1,3 @@
-# encoding: utf-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/factories/role_factory.rb b/spec/factories/role_factory.rb
index ddb053fb66..3f8549106e 100644
--- a/spec/factories/role_factory.rb
+++ b/spec/factories/role_factory.rb
@@ -32,25 +32,21 @@ FactoryBot.define do
   factory :role do
     permissions { [] }
     sequence(:name) { |n| "role_#{n}" }
-    assignable { true }
 
     factory :non_member do
       name { 'Non member' }
       builtin { Role::BUILTIN_NON_MEMBER }
-      assignable { false }
       initialize_with { Role.where(name: name).first_or_initialize }
     end
 
     factory :anonymous_role do
       name { 'Anonymous' }
       builtin { Role::BUILTIN_ANONYMOUS }
-      assignable { false }
       initialize_with { Role.where(name: name).first_or_initialize }
     end
 
     factory :existing_role do
-      name { 'Role ' + Digest::MD5.hexdigest(permissions.map(&:to_s).join('/'))[0..4] }
-      assignable { true }
+      name { "Role #{Digest::MD5.hexdigest(permissions.map(&:to_s).join('/'))[0..4]}" }
       permissions { [] }
 
       initialize_with do
@@ -58,7 +54,7 @@ FactoryBot.define do
           if Role.where(name: name).exists?
             Role.find_by(name: name)
           else
-            Role.create name: name, assignable: assignable
+            Role.create name: name
           end
 
         role.add_permission!(*permissions.reject { |p| role.permissions.include?(p) })
diff --git a/spec/factories/view_factory.rb b/spec/factories/view_factory.rb
index 27d8051d77..426af819fe 100644
--- a/spec/factories/view_factory.rb
+++ b/spec/factories/view_factory.rb
@@ -34,10 +34,6 @@ FactoryBot.define do
 
   factory :view_work_packages_table, parent: :view
 
-  factory :view_team_planner, parent: :view do
-    type { 'team_planner' }
-  end
-
   factory :view_work_packages_calendar, parent: :view do
     type { 'work_packages_calendar' }
   end
diff --git a/modules/reporting/lib/widget/settings_patch.rb b/spec/factories/view_team_planner_factory.rb
similarity index 64%
rename from modules/reporting/lib/widget/settings_patch.rb
rename to spec/factories/view_team_planner_factory.rb
index 6fc3e1a577..01a23a647f 100644
--- a/modules/reporting/lib/widget/settings_patch.rb
+++ b/spec/factories/view_team_planner_factory.rb
@@ -26,33 +26,28 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-module Widget::SettingsPatch
-  extend ActiveSupport::Concern
-
-  included do
-    prepend InstanceMethods
-  end
-
-  module InstanceMethods
-    def settings_to_render
-      super.insert(-2, :cost_types)
+FactoryBot.define do
+  factory :view_team_planner, parent: :view do
+    type { 'team_planner' }
+    transient do
+      assignees { [] }
+      projects { [] }
     end
 
-    def render_cost_types_settings
-      render_widget Widget::Settings::Fieldset, @subject, type: "units" do
-        render_widget Widget::CostTypes,
-                      @cost_types,
-                      selected_type_id: @selected_type_id
+    callback(:after_create) do |view, evaluator|
+      query = view.query
+
+      if evaluator.assignees.any?
+        query.add_filter('assigned_to_id', '=', evaluator.assignees.map(&:id).uniq)
       end
-    end
 
-    def render_with_options(options, &block)
-      @cost_types = options.delete(:cost_types)
-      @selected_type_id = options.delete(:selected_type_id)
+      if evaluator.projects.any?
+        query.add_filter('project_id', '=', ([query.project.id] + evaluator.projects.map(&:id)).uniq)
+      end
 
-      super(options, &block)
+      User.system.run_given do
+        query.save!
+      end
     end
   end
 end
-
-Widget::Settings.include Widget::SettingsPatch
diff --git a/spec/features/admin/attribute_help_texts_spec.rb b/spec/features/admin/attribute_help_texts_spec.rb
index f819f2ad57..6322ee148d 100644
--- a/spec/features/admin/attribute_help_texts_spec.rb
+++ b/spec/features/admin/attribute_help_texts_spec.rb
@@ -57,7 +57,7 @@ describe 'Attribute help texts', js: true do
         editor.set_markdown('My attribute help text')
         editor.drag_attachment image_fixture.path, 'Image uploaded on creation'
 
-        expect(page).to have_selector('attachment-list-item', text: 'image.png')
+        expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
         click_button 'Save'
 
         expect(instance.help_text).to include 'My attribute help text'
@@ -81,7 +81,7 @@ describe 'Attribute help texts', js: true do
         # Add an image
         # adding an image
         editor.drag_attachment image_fixture.path, 'Image uploaded on creation'
-        expect(page).to have_selector('attachment-list-item', text: 'image.png')
+        expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
         click_button 'Save'
 
         # Should now show on index for editing
@@ -98,7 +98,7 @@ describe 'Attribute help texts', js: true do
         modal.expect_edit(admin: true)
 
         # Expect files section to be present
-        expect(modal.modal_container).to have_selector('.form--fieldset-legend', text: 'FILES')
+        expect(modal.modal_container).to have_selector('.form--fieldset-legend', text: 'ATTACHMENTS')
         expect(modal.modal_container).to have_selector('.work-package--attachments--filename')
 
         modal.close!
diff --git a/spec/features/auth/lost_password_spec.rb b/spec/features/auth/lost_password_spec.rb
index 475f120cc6..a48dee4314 100644
--- a/spec/features/auth/lost_password_spec.rb
+++ b/spec/features/auth/lost_password_spec.rb
@@ -60,7 +60,7 @@ describe 'Lost password', type: :feature do
 
     click_button 'Save'
 
-    expect(page).to have_selector('.flash.notice', text: I18n.t(:notice_account_password_updated))
+    expect(page).to have_selector('.flash.info', text: I18n.t(:notice_account_password_updated))
 
     login_with user.login, new_password
 
diff --git a/spec/features/forums/attachment_upload_spec.rb b/spec/features/forums/attachment_upload_spec.rb
index 3d2ae85bad..4af05fe4fa 100644
--- a/spec/features/forums/attachment_upload_spec.rb
+++ b/spec/features/forums/attachment_upload_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -60,14 +58,14 @@ describe 'Upload attachment to forum message', js: true do
     # adding an image
     editor.drag_attachment image_fixture.path, 'Image uploaded on creation'
 
-    expect(page).to have_selector('attachment-list-item', text: 'image.png')
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
     expect(page).not_to have_selector('op-toasters-upload-progress')
 
     show_page = create_page.click_save
 
     expect(page).to have_selector('#content .wiki img', count: 1)
     expect(page).to have_content('Image uploaded on creation')
-    expect(page).to have_selector('attachment-list-item', text: 'image.png')
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
 
     within '.toolbar-items' do
       click_on "Edit"
@@ -80,7 +78,7 @@ describe 'Upload attachment to forum message', js: true do
 
     editor.drag_attachment image_fixture.path, 'Image uploaded the second time'
 
-    expect(page).to have_selector('attachment-list-item', text: 'image.png', count: 2)
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png', count: 2)
     expect(page).not_to have_selector('op-toasters-upload-progress')
 
     show_page.click_save
@@ -89,6 +87,6 @@ describe 'Upload attachment to forum message', js: true do
     expect(page).to have_content('Image uploaded on creation')
     expect(page).to have_content('Image uploaded the second time')
 
-    expect(page).to have_selector('attachment-list-item', text: 'image.png', count: 2)
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png', count: 2)
   end
 end
diff --git a/spec/features/global_roles/global_role_crud_spec.rb b/spec/features/global_roles/global_role_crud_spec.rb
index 019c1e3e6b..024ecbd023 100644
--- a/spec/features/global_roles/global_role_crud_spec.rb
+++ b/spec/features/global_roles/global_role_crud_spec.rb
@@ -52,7 +52,7 @@ describe 'Global role: Global role CRUD', type: :feature, js: true do
     # And I should see "Global group"
     expect(page).to have_text 'GLOBAL GROUP'
     # And I should see "Glob test"
-    expect(page).to have_text 'Glob test'
+    expect(page).to have_text 'Permission Glob Test'
     # And I should not see "Issues can be assigned to this role"
     expect(page).to have_no_text 'Issues can be assigned to this role'
     # When I fill in "Name" with "Manager"
diff --git a/spec/features/global_roles/mock_global_permissions.rb b/spec/features/global_roles/mock_global_permissions.rb
index 04b3c4aa9b..fe77a80456 100644
--- a/spec/features/global_roles/mock_global_permissions.rb
+++ b/spec/features/global_roles/mock_global_permissions.rb
@@ -22,6 +22,9 @@ def mock_permissions(name, options = {})
   ::OpenProject::AccessControl::Permission.new(
     name,
     { does_not: :matter },
-    { project_module: 'Foo', public: false, global: false }.merge(options)
+    project_module: 'Foo',
+    public: false,
+    global: false,
+    **options
   )
 end
diff --git a/spec/features/localization_spec.rb b/spec/features/localization_spec.rb
index 919e1edf63..458ac90abc 100644
--- a/spec/features/localization_spec.rb
+++ b/spec/features/localization_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/features/news/creation_and_commenting_spec.rb b/spec/features/news/creation_and_commenting_spec.rb
index 84646fd437..068a6f8451 100644
--- a/spec/features/news/creation_and_commenting_spec.rb
+++ b/spec/features/news/creation_and_commenting_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/features/projects/copy_spec.rb b/spec/features/projects/copy_spec.rb
index f9cfdb1662..d0f3c472d2 100644
--- a/spec/features/projects/copy_spec.rb
+++ b/spec/features/projects/copy_spec.rb
@@ -76,7 +76,9 @@ describe 'Projects copy',
       create(:role,
              permissions: permissions)
     end
-    let(:permissions) { %i(copy_projects edit_project add_subprojects manage_types view_work_packages select_custom_fields) }
+    let(:permissions) do
+      %i(copy_projects edit_project add_subprojects manage_types view_work_packages select_custom_fields work_package_assigned)
+    end
     let(:wp_user) do
       user = create(:user)
 
@@ -151,7 +153,8 @@ describe 'Projects copy',
       expect(page).to have_text 'The job has been queued and will be processed shortly.'
 
       # ensure all jobs are run especially emails which might be sent later on
-      while perform_enqueued_jobs > 0 do end
+      while perform_enqueued_jobs > 0
+      end
 
       copied_project = Project.find_by(name: 'Copied project')
 
diff --git a/spec/features/statuses/read_only_statuses_spec.rb b/spec/features/statuses/read_only_statuses_spec.rb
index fe9d2b170e..676abd384d 100644
--- a/spec/features/statuses/read_only_statuses_spec.rb
+++ b/spec/features/statuses/read_only_statuses_spec.rb
@@ -74,6 +74,7 @@ describe 'Read-only statuses affect work package editing',
   end
 
   it 'locks the work package on a read only status' do
+    wp_page.switch_to_tab(tab: 'FILES')
     expect(page).to have_selector '.work-package--attachments--drop-box'
 
     subject_field = wp_page.edit_field :subject
diff --git a/spec/features/types/form_configuration_spec.rb b/spec/features/types/form_configuration_spec.rb
index eb32b05810..b12a245677 100644
--- a/spec/features/types/form_configuration_spec.rb
+++ b/spec/features/types/form_configuration_spec.rb
@@ -52,6 +52,7 @@ describe 'form configuration', type: :feature, js: true do
 
     describe 'default configuration' do
       let(:dialog) { ::Components::ConfirmationDialog.new }
+
       before do
         login_as(admin)
         visit edit_type_tab_path(id: type.id, tab: "form_configuration")
@@ -117,7 +118,7 @@ describe 'form configuration', type: :feature, js: true do
         wp_page.expect_hidden_field(:done_ratio)
 
         groups = page.all('.attributes-group--header-text').map(&:text)
-        expect(groups).to eq %w[FILES]
+        expect(groups).to eq []
         expect(page)
           .to have_selector('.work-packages--details--description', text: work_package.description)
       end
@@ -199,7 +200,7 @@ describe 'form configuration', type: :feature, js: true do
 
         # Test the actual type backend
         type.reload
-        expect(type.attribute_groups.map { |el| el.key })
+        expect(type.attribute_groups.map(&:key))
           .to include('Cool Stuff', :estimates_and_time, 'Whatever', 'New Group')
 
         # Visit work package with that type
@@ -302,7 +303,7 @@ describe 'form configuration', type: :feature, js: true do
         expect(page).to have_selector('.flash.notice', text: 'Successful update.', wait: 10)
       end
 
-      context 'inactive in project' do
+      context 'if inactive in project' do
         it 'can be added to the type, but is not shown' do
           # Visit work package with that type
           wp_page.visit!
@@ -318,7 +319,7 @@ describe 'form configuration', type: :feature, js: true do
           expect(page).to have_selector(".custom-field-#{custom_field.id} td", text: type.name)
 
           id_checkbox = find("#project_work_package_custom_field_ids_#{custom_field.id}")
-          expect(id_checkbox).to_not be_checked
+          expect(id_checkbox).not_to be_checked
           id_checkbox.set(true)
 
           click_button 'Save'
@@ -334,7 +335,7 @@ describe 'form configuration', type: :feature, js: true do
         end
       end
 
-      context 'active in project' do
+      context 'if active in project' do
         let(:project) do
           create :project,
                  types: [type],
@@ -364,7 +365,7 @@ describe 'form configuration', type: :feature, js: true do
   describe "without EE token" do
     let(:dialog) { ::Components::ConfirmationDialog.new }
 
-    it "should disable adding and renaming groups" do
+    it "must disable adding and renaming groups" do
       with_enterprise_token(nil)
       login_as(admin)
       visit edit_type_tab_path(id: type.id, tab: "form_configuration")
diff --git a/spec/features/users/invite_user_modal/invite_user_modal_spec.rb b/spec/features/users/invite_user_modal/invite_user_modal_spec.rb
index e41411d786..d72ab6466a 100644
--- a/spec/features/users/invite_user_modal/invite_user_modal_spec.rb
+++ b/spec/features/users/invite_user_modal/invite_user_modal_spec.rb
@@ -32,7 +32,7 @@ describe 'Invite user modal', type: :feature, js: true do
   shared_let(:project) { create :project }
   shared_let(:work_package) { create :work_package, project: project }
 
-  let(:permissions) { %i[view_work_packages edit_work_packages manage_members] }
+  let(:permissions) { %i[view_work_packages edit_work_packages manage_members work_package_assigned] }
   let(:global_permissions) { %i[] }
   let(:modal) do
     ::Components::Users::InviteUserModal.new project: project,
@@ -127,7 +127,7 @@ describe 'Invite user modal', type: :feature, js: true do
         let(:principal) { build :invited_user }
 
         context 'when the current user has permissions to create a user' do
-          let(:permissions) { %i[view_work_packages edit_work_packages manage_members] }
+          let(:permissions) { %i[view_work_packages edit_work_packages manage_members work_package_assigned] }
           let(:global_permissions) { %i[manage_user] }
 
           it_behaves_like 'invites the principal to the project' do
@@ -139,6 +139,7 @@ describe 'Invite user modal', type: :feature, js: true do
 
         context 'when the current user does not have permissions to invite a user to the instance by email' do
           let(:permissions) { %i[view_work_packages edit_work_packages manage_members] }
+
           it 'does not show the invite user option' do
             modal.project_step
             ngselect = modal.open_select_in_step principal.mail
@@ -186,9 +187,10 @@ describe 'Invite user modal', type: :feature, js: true do
         let(:principal) { build :placeholder_user, name: 'MY NEW PLACEHOLDER' }
 
         context 'an enterprise system', with_ee: %i[placeholder_users] do
+          let(:permissions) { %i[view_work_packages edit_work_packages manage_members work_package_assigned] }
+
           describe 'create a new placeholder' do
             context 'with permissions to manage placeholders' do
-              let(:permissions) { %i[view_work_packages edit_work_packages manage_members] }
               let(:global_permissions) { %i[manage_placeholder_user] }
 
               it_behaves_like 'invites the principal to the project' do
@@ -199,7 +201,6 @@ describe 'Invite user modal', type: :feature, js: true do
             end
 
             context 'without permissions to manage placeholders' do
-              let(:permissions) { %i[view_work_packages edit_work_packages manage_members] }
               it 'does not allow to invite a new placeholder' do
                 modal.project_step
 
@@ -213,7 +214,6 @@ describe 'Invite user modal', type: :feature, js: true do
 
           context 'with an existing placeholder' do
             let(:principal) { create :placeholder_user, name: 'EXISTING PLACEHOLDER' }
-            let(:permissions) { %i[view_work_packages edit_work_packages manage_members] }
             let(:global_permissions) { %i[] }
 
             it_behaves_like 'invites the principal to the project' do
diff --git a/spec/features/users/invite_user_modal/subproject_invite_spec.rb b/spec/features/users/invite_user_modal/subproject_invite_spec.rb
index 6ebfcc9e5d..8533ae37ff 100644
--- a/spec/features/users/invite_user_modal/subproject_invite_spec.rb
+++ b/spec/features/users/invite_user_modal/subproject_invite_spec.rb
@@ -34,7 +34,7 @@ describe 'Invite user modal subprojects', type: :feature, js: true do
   shared_let(:work_package) { create :work_package, project: subproject }
   shared_let(:invitable_user) { create :user, firstname: 'Invitable', lastname: 'User' }
 
-  let(:permissions) { %i[view_work_packages edit_work_packages manage_members] }
+  let(:permissions) { %i[view_work_packages edit_work_packages manage_members work_package_assigned] }
   let(:global_permissions) { %i[] }
   let(:modal) do
     ::Components::Users::InviteUserModal.new project: subproject,
diff --git a/spec/features/users/password_change_spec.rb b/spec/features/users/password_change_spec.rb
index 85b052a7da..994e8b027c 100644
--- a/spec/features/users/password_change_spec.rb
+++ b/spec/features/users/password_change_spec.rb
@@ -94,7 +94,7 @@ describe 'random password generation',
       expect(::Sessions::UserSession.for_user(user.id).count).to be >= 1
 
       click_on 'Save'
-      expect(page).to have_selector('.flash.notice', text: I18n.t(:notice_account_password_updated))
+      expect(page).to have_selector('.flash.info', text: I18n.t(:notice_account_password_updated))
 
       # The old session is removed
       expect(::Sessions::UserSession.find_by(session_id: 'other')).to be_nil
diff --git a/spec/features/wiki/attachment_upload_spec.rb b/spec/features/wiki/attachment_upload_spec.rb
index 28eb745eba..4c2eab82d3 100644
--- a/spec/features/wiki/attachment_upload_spec.rb
+++ b/spec/features/wiki/attachment_upload_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -53,7 +51,7 @@ describe 'Upload attachment to wiki page', js: true do
     # adding an image
     editor.drag_attachment image_fixture.path, 'Image uploaded the first time'
 
-    expect(page).to have_selector('attachment-list-item', text: 'image.png')
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
     expect(page).not_to have_selector('op-toasters-upload-progress')
 
     click_on 'Save'
@@ -61,7 +59,7 @@ describe 'Upload attachment to wiki page', js: true do
     expect(page).to have_text("Successful creation")
     expect(page).to have_selector('#content img', count: 1)
     expect(page).to have_content('Image uploaded the first time')
-    expect(page).to have_selector('attachment-list-item', text: 'image.png')
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png')
 
     # required sleep otherwise clicking on the Edit button doesn't do anything
     SeleniumHubWaiter.wait
@@ -77,7 +75,7 @@ describe 'Upload attachment to wiki page', js: true do
     editor.drag_attachment image_fixture.path, 'Image uploaded the second time'
 
     expect(page).not_to have_selector('op-toasters-upload-progress')
-    expect(page).to have_selector('attachment-list-item', text: 'image.png', count: 2)
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png', count: 2)
 
     editor.in_editor do |container, _|
       # Expect URL is mapped to the correct URL
@@ -89,7 +87,7 @@ describe 'Upload attachment to wiki page', js: true do
     end
 
     editor.click_hover_toolbar_button 'Resize image to 50%'
-    expect(page).to have_selector('.op-uc-figure[style="width:50%;"')
+    expect(page).to have_selector('.op-uc-figure[style="width:50%;"]')
 
     click_on 'Save'
 
@@ -97,7 +95,7 @@ describe 'Upload attachment to wiki page', js: true do
     expect(page).to have_selector('#content img', count: 2)
     # First figcaption is lost by having replaced the markdown
     expect(page).to have_content('Image uploaded the second time')
-    expect(page).to have_selector('attachment-list-item', text: 'image.png', count: 2)
+    expect(page).to have_selector('[data-qa-selector="op-attachment-list-item"]', text: 'image.png', count: 2)
 
     # Both images rendered referring to the api endpoint
     expect(page).to have_selector('img[src^="/api/v3/attachments/"]', count: 2)
@@ -105,37 +103,4 @@ describe 'Upload attachment to wiki page', js: true do
     expect(wiki_page_content).to have_selector 'figure.op-uc-figure[style="width:50%;"]'
     expect(wiki_page_content).to have_selector '.op-uc-image[src^="/api/v3/attachments"]'
   end
-
-  it 'can upload an image on the new wiki page and recover from an error without losing the attachment (Regression #28171)' do
-    visit project_wiki_path(project, 'test')
-
-    expect(page).to have_selector('#content_page_title')
-    expect(page).to have_selector('.work-package--attachments--drop-box')
-
-    # Upload image to dropzone
-    expect(page).to have_no_selector('.work-package--attachments--filename')
-    attachments.attach_file_on_input(image_fixture.path)
-    expect(page).not_to have_selector('op-toasters-upload-progress')
-    expect(page).to have_selector('.work-package--attachments--filename', text: 'image.png')
-
-    # Assume we could still save the page with an empty title
-    page.execute_script 'jQuery("#content_page_title").removeAttr("required aria-required");'
-    # Remove title so we will result in an error
-    fill_in 'content_page_title', with: ''
-    click_on 'Save'
-
-    expect(page).to have_selector('#errorExplanation', text: "Title can't be blank.")
-    expect(page).to have_selector('.work-package--attachments--filename', text: 'image.png')
-
-    editor.in_editor do |_container, editable|
-      editable.send_keys 'hello there.'
-    end
-
-    fill_in 'content_page_title', with: 'Test'
-    click_on 'Save'
-
-    expect(page).to have_selector('.controller-wiki.action-show')
-    expect(page).to have_selector('h2', text: 'Test')
-    expect(page).to have_selector('.work-package--attachments--filename', text: 'image.png')
-  end
 end
diff --git a/spec/features/work_packages/attachments/attachment_upload_spec.rb b/spec/features/work_packages/attachments/attachment_upload_spec.rb
index 13524c2560..b05c8c5d1c 100644
--- a/spec/features/work_packages/attachments/attachment_upload_spec.rb
+++ b/spec/features/work_packages/attachments/attachment_upload_spec.rb
@@ -28,7 +28,7 @@ describe 'Upload attachment to work package', js: true do
   end
 
   describe 'wysiwyg editor' do
-    context 'on an existing page' do
+    context 'when on an existing page' do
       before do
         wp_page.visit!
         wp_page.ensure_page_loaded
@@ -76,7 +76,7 @@ describe 'Upload attachment to work package', js: true do
       end
     end
 
-    context 'on a new page' do
+    context 'when on a new page' do
       shared_examples 'it supports image uploads via drag & drop' do
         let!(:new_page) { Pages::FullWorkPackageCreate.new }
         let!(:type) { create(:type_task) }
@@ -109,13 +109,6 @@ describe 'Upload attachment to work package', js: true do
 
           sleep 2
 
-          # Besides testing caption functionality this also slows down clicking on the submit button
-          # so that the image is properly embedded
-          caption = page.find('.op-uc-figure .op-uc-figure--description')
-          caption.click(x: 10, y: 10)
-          sleep 0.2
-          caption.base.send_keys('Some image caption')
-
           scroll_to_and_click find('#work-packages--edit-actions-save')
 
           wp_page.expect_toast(
@@ -123,9 +116,7 @@ describe 'Upload attachment to work package', js: true do
           )
 
           field = wp_page.edit_field :description
-
           expect(field.display_element).to have_selector('img')
-          expect(field.display_element).to have_content('Some image caption')
 
           wp = WorkPackage.last
           expect(wp.subject).to eq('My subject')
@@ -164,8 +155,8 @@ describe 'Upload attachment to work package', js: true do
 
   describe 'attachment dropzone' do
     it 'can upload an image via attaching and drag & drop' do
+      wp_page.switch_to_tab(tab: 'FILES')
       container = page.find('.wp-attachment-upload')
-      scroll_to_element(container)
 
       ##
       # Attach file manually
diff --git a/spec/features/work_packages/copy_spec.rb b/spec/features/work_packages/copy_spec.rb
index 66922464a2..6129705ba6 100644
--- a/spec/features/work_packages/copy_spec.rb
+++ b/spec/features/work_packages/copy_spec.rb
@@ -61,7 +61,7 @@ RSpec.feature 'Work package copy', js: true, selenium: true do
           type: type,
           author: author)
   end
-  let(:role) { build(:role, permissions: [:view_work_packages]) }
+  let(:role) { build(:role, permissions: %i[view_work_packages work_package_assigned]) }
   let(:assignee) do
     create(:user,
            firstname: 'An',
diff --git a/spec/features/work_packages/custom_actions/custom_actions_spec.rb b/spec/features/work_packages/custom_actions/custom_actions_spec.rb
index 371df91c7a..113cea7487 100644
--- a/spec/features/work_packages/custom_actions/custom_actions_spec.rb
+++ b/spec/features/work_packages/custom_actions/custom_actions_spec.rb
@@ -31,7 +31,7 @@ require 'spec_helper'
 describe 'Custom actions', type: :feature, js: true do
   shared_let(:admin) { create :admin }
 
-  let(:permissions) { %i(view_work_packages edit_work_packages move_work_packages) }
+  let(:permissions) { %i(view_work_packages edit_work_packages move_work_packages work_package_assigned) }
   let(:role) { create(:role, permissions: permissions) }
   let!(:other_role) { create(:role, permissions: permissions) }
   let(:user) do
diff --git a/spec/features/work_packages/details/context_menu_spec.rb b/spec/features/work_packages/details/context_menu_spec.rb
new file mode 100644
index 0000000000..470f8a4201
--- /dev/null
+++ b/spec/features/work_packages/details/context_menu_spec.rb
@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe 'Work package single context menu', js: true do
+  let(:user) { create(:admin) }
+  let(:work_package) { create(:work_package) }
+
+  let(:wp_view) { Pages::FullWorkPackage.new(work_package, work_package.project) }
+
+  before do
+    login_as(user)
+    wp_view.visit!
+  end
+
+  it 'sets the correct copy project link' do
+    find('#action-show-more-dropdown-menu .button').click
+    find('.menu-item', text: 'Copy to other project', exact_text: true).click
+
+    expect(page).to have_selector('h2', text: I18n.t(:button_copy))
+    expect(page).to have_selector('a.work_package', text: "##{work_package.id}")
+    expect(page).to have_current_path /work_packages\/move\/new\?copy=true&ids\[\]=#{work_package.id}/
+  end
+end
diff --git a/spec/features/work_packages/edit_work_package_spec.rb b/spec/features/work_packages/edit_work_package_spec.rb
index 11df522674..9388b56834 100644
--- a/spec/features/work_packages/edit_work_package_spec.rb
+++ b/spec/features/work_packages/edit_work_package_spec.rb
@@ -17,7 +17,8 @@ describe 'edit work package', js: true do
   let(:manager_role) do
     create :role,
            permissions: %i[view_work_packages
-                           edit_work_packages]
+                           edit_work_packages
+                           work_package_assigned]
   end
   let(:manager) do
     create :admin,
diff --git a/spec/features/work_packages/navigation_spec.rb b/spec/features/work_packages/navigation_spec.rb
index 2d6bfaa974..348289d93f 100644
--- a/spec/features/work_packages/navigation_spec.rb
+++ b/spec/features/work_packages/navigation_spec.rb
@@ -28,7 +28,7 @@
 
 require 'spec_helper'
 
-RSpec.feature 'Work package navigation', js: true, selenium: true do
+describe 'Work package navigation', js: true, selenium: true do
   let(:user) { create(:admin) }
   let(:project) { create(:project, name: 'Some project', enabled_module_names: [:work_package_tracking]) }
   let(:work_package) { build(:work_package, project: project) }
@@ -55,7 +55,7 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
     login_as(user)
   end
 
-  scenario 'all different angular based work package views' do
+  it 'all different angular based work package views' do
     work_package.save!
 
     # deep link global work package index
@@ -122,18 +122,18 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
     full_work_package = split_project_work_package.switch_to_fullscreen
 
     full_work_package.expect_subject
-    expect(current_path).to eq project_work_package_path(project, work_package, 'activity')
+    expect(page).to have_current_path project_work_package_path(project, work_package, 'activity')
     project_html_title.expect_first_segment wp_title_segment
 
     # Switch tabs
     full_work_package.switch_to_tab tab: :relations
-    expect(current_path).to eq project_work_package_path(project, work_package, 'relations')
+    expect(page).to have_current_path project_work_package_path(project, work_package, 'relations')
     project_html_title.expect_first_segment wp_title_segment
 
     # Back to split screen using the button
     full_work_package.go_back
     global_work_packages.expect_work_package_listed(work_package)
-    expect(current_path).to eq project_work_packages_path(project) + "/details/#{work_package.id}/relations"
+    expect(page).to have_current_path project_work_packages_path(project) + "/details/#{work_package.id}/relations"
 
     # Link to full screen from index
     global_work_packages.open_full_screen_by_link(work_package)
@@ -146,7 +146,7 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
     full_work_package.ensure_page_loaded
   end
 
-  scenario 'loading an unknown work package ID' do
+  it 'loading an unknown work package ID' do
     visit '/work_packages/999999999'
 
     page404 = ::Pages::Page.new
@@ -157,7 +157,7 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
   end
 
   # Regression #29994
-  scenario 'access the work package views directly from a non-angular view' do
+  it 'access the work package views directly from a non-angular view' do
     visit project_path(project)
 
     find('#main-menu-work-packages ~ .toggler').click
@@ -168,7 +168,7 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
     expect(page).to have_field('editable-toolbar-title', with: query.name)
   end
 
-  scenario 'double clicking search result row (Regression #30247)' do
+  it 'double clicking search result row (Regression #30247)' do
     work_package.subject = 'Foobar'
     work_package.save!
     visit search_path(q: 'Foo', work_packages: 1, scope: :all)
@@ -180,7 +180,7 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
     full_page.ensure_page_loaded
   end
 
-  scenario 'double clicking my page (Regression #30343)' do
+  it 'double clicking my page (Regression #30343)' do
     work_package.author = user
     work_package.subject = 'Foobar'
     work_package.save!
@@ -193,7 +193,7 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
     full_page.ensure_page_loaded
   end
 
-  scenario 'moving back from gantt to "All open" (Regression #30921)' do
+  it 'moving back from gantt to "All open" (Regression #30921)' do
     wp_table = Pages::WorkPackagesTable.new project
     wp_table.visit!
 
@@ -244,7 +244,7 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
     end
   end
 
-  context 'work package with an attachment' do
+  context 'with work package with an attachment' do
     let!(:attachment) { build(:attachment, filename: 'attachment-first.pdf') }
     let!(:wp_with_attachment) do
       create :work_package, subject: 'WP attachment A', project: project, attachments: [attachment]
@@ -258,11 +258,12 @@ RSpec.feature 'Work package navigation', js: true, selenium: true do
       full_view = wp_table.open_full_screen_by_link wp_with_attachment
 
       full_view.ensure_page_loaded
+      full_view.switch_to_tab(tab: 'FILES')
       expect(page).to have_selector('.work-package--attachments--filename', text: 'attachment-first.pdf', wait: 10)
     end
   end
 
-  context 'two work packages with card view' do
+  context 'with two work packages with card view' do
     let!(:work_package) { create :work_package, project: project }
     let!(:work_package2) { create :work_package, project: project }
     let(:display_representation) { ::Components::WorkPackages::DisplayRepresentation.new }
diff --git a/spec/features/work_packages/new/attributes_from_filter_spec.rb b/spec/features/work_packages/new/attributes_from_filter_spec.rb
index 3268346406..02a378397d 100644
--- a/spec/features/work_packages/new/attributes_from_filter_spec.rb
+++ b/spec/features/work_packages/new/attributes_from_filter_spec.rb
@@ -41,7 +41,7 @@ RSpec.feature 'Work package create uses attributes from filters', js: true, sele
   let(:wp_table) { ::Pages::WorkPackagesTable.new(project) }
   let(:split_view_create) { ::Pages::SplitWorkPackageCreate.new(project: project) }
 
-  let(:role) { create :existing_role, permissions: [:view_work_packages] }
+  let(:role) { create :existing_role, permissions: %i[view_work_packages work_package_assigned] }
 
   let!(:query) do
     build(:query, project: project, user: user).tap do |query|
diff --git a/spec/features/work_packages/new/new_work_package_spec.rb b/spec/features/work_packages/new/new_work_package_spec.rb
index 07d55c3311..6bf5b02a4e 100644
--- a/spec/features/work_packages/new/new_work_package_spec.rb
+++ b/spec/features/work_packages/new/new_work_package_spec.rb
@@ -13,7 +13,7 @@ describe 'new work package', js: true do
     create(:project, types: types)
   end
 
-  let(:permissions) { %i[view_work_packages add_work_packages edit_work_packages] }
+  let(:permissions) { %i[view_work_packages add_work_packages edit_work_packages work_package_assigned] }
   let(:user) do
     create(:user,
            member_in_project: project,
diff --git a/spec/features/work_packages/project_include/project_include_shared_examples.rb b/spec/features/work_packages/project_include/project_include_shared_examples.rb
index db4194639f..ce4665438c 100644
--- a/spec/features/work_packages/project_include/project_include_shared_examples.rb
+++ b/spec/features/work_packages/project_include/project_include_shared_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/features/work_packages/table/context_menu/context_menu_shared_examples.rb b/spec/features/work_packages/table/context_menu/context_menu_shared_examples.rb
new file mode 100644
index 0000000000..2b6b383e29
--- /dev/null
+++ b/spec/features/work_packages/table/context_menu/context_menu_shared_examples.rb
@@ -0,0 +1,95 @@
+require 'spec_helper'
+
+shared_examples_for 'provides a single WP context menu' do
+  let(:open_context_menu) { raise 'needs to be defined' }
+  let(:destroy_modal) { Components::WorkPackages::DestroyModal.new }
+  let(:time_logging_modal) { Components::TimeLoggingModal.new }
+  let(:wp_timeline) { Pages::WorkPackagesTimeline.new(work_package.project) }
+
+  it 'provide a context menu' do
+    # Open detail pane
+    open_context_menu.call
+    menu.choose('Open details view')
+    split_page = Pages::SplitWorkPackage.new(work_package, work_package.project)
+    split_page.expect_attributes Subject: work_package.subject
+
+    # Open full view
+    open_context_menu.call
+    menu.choose('Open fullscreen view')
+    expect(page).to have_selector('.work-packages--show-view .inline-edit--container.subject',
+                                  text: work_package.subject)
+
+    # Open log time
+    open_context_menu.call
+    menu.choose('Log time')
+    time_logging_modal.is_visible true
+    time_logging_modal.work_package_is_missing false
+    time_logging_modal.perform_action 'Cancel'
+
+    # Open Move
+    open_context_menu.call
+    menu.choose('Change project')
+    expect(page).to have_selector('h2', text: I18n.t(:button_move))
+    expect(page).to have_selector('a.work_package', text: "##{work_package.id}")
+
+    # Open Copy
+    open_context_menu.call
+    menu.choose('Copy')
+    # Split view open in copy state
+    expect(page)
+      .to have_selector('.wp-new-top-row',
+                        text: "#{work_package.status.name.capitalize}\n#{work_package.type.name.upcase}")
+    expect(page).to have_field('wp-new-inline-edit--field-subject', with: work_package.subject)
+
+    # Open Delete
+    open_context_menu.call
+    menu.choose('Delete')
+    destroy_modal.expect_listed(work_package)
+    destroy_modal.cancel_deletion
+
+    # Open create new child
+    open_context_menu.call
+    menu.choose('Create new child')
+    expect(page).to have_selector('.inline-edit--container.subject input')
+    expect(current_url).to match(/.*\/create_new\?.*(&)*parent_id=#{work_package.id}/)
+
+    find('#work-packages--edit-actions-cancel').click
+    expect(page).to have_no_selector('.inline-edit--container.subject input')
+
+    # Timeline actions only shown when open
+    wp_timeline.expect_timeline!(open: false)
+
+    open_context_menu.call
+    menu.expect_no_options 'Add predecessor', 'Add follower'
+
+    # Copy to other project
+    open_context_menu.call
+    menu.choose('Copy to other project')
+    expect(page).to have_selector('h2', text: I18n.t(:button_copy))
+    expect(page).to have_selector('a.work_package', text: "##{work_package.id}")
+  end
+
+  describe 'creating work packages' do
+    let!(:priority) { create :issue_priority, is_default: true }
+    let!(:status) { create :default_status }
+
+    it 'can create a new child from the context menu (Regression #33329)' do
+      open_context_menu.call
+      menu.choose('Create new child')
+      expect(page).to have_selector('.inline-edit--container.subject input')
+      expect(current_url).to match(/.*\/create_new\?.*(&)*parent_id=#{work_package.id}/)
+
+      split_view = ::Pages::SplitWorkPackageCreate.new project: work_package.project
+      subject = split_view.edit_field(:subject)
+      subject.set_value 'Child task'
+      # Wait a bit for the split view to be fully initialized
+      sleep 1
+      subject.submit_by_enter
+
+      split_view.expect_and_dismiss_toaster message: 'Successful creation.'
+      expect(page).to have_selector('[data-qa-selector="op-wp-breadcrumb"]', text: "Parent:\n#{work_package.subject}")
+      wp = WorkPackage.last
+      expect(wp.parent).to eq work_package
+    end
+  end
+end
diff --git a/spec/features/work_packages/table/context_menu/context_menu_spec.rb b/spec/features/work_packages/table/context_menu/context_menu_spec.rb
new file mode 100644
index 0000000000..fad20792a2
--- /dev/null
+++ b/spec/features/work_packages/table/context_menu/context_menu_spec.rb
@@ -0,0 +1,85 @@
+require 'spec_helper'
+require_relative 'context_menu_shared_examples'
+
+describe 'Work package table context menu', js: true do
+  let(:user) { create(:admin) }
+  let(:work_package) { create(:work_package) }
+
+  let(:wp_table) { Pages::WorkPackagesTable.new(work_package.project) }
+  let(:wp_timeline) { Pages::WorkPackagesTimeline.new(work_package.project) }
+  let(:menu) { Components::WorkPackages::ContextMenu.new }
+  let(:display_representation) { ::Components::WorkPackages::DisplayRepresentation.new }
+
+  before do
+    login_as(user)
+    work_package
+  end
+
+  context 'when in the table' do
+    it_behaves_like 'provides a single WP context menu' do
+      let(:open_context_menu) do
+        -> {
+          # Go to table
+          wp_table.visit!
+          wp_table.expect_work_package_listed(work_package)
+          loading_indicator_saveguard
+
+          # Open context menu
+          menu.expect_closed
+          menu.open_for(work_package)
+        }
+      end
+
+      it 'provides a context menu with timeline options' do
+        open_context_menu.call
+        # Open timeline
+        wp_timeline.toggle_timeline
+        wp_timeline.expect_timeline!(open: true)
+
+        # Open context menu
+        menu.expect_closed
+        menu.open_for(work_package)
+        menu.expect_options ['Add predecessor', 'Add follower']
+      end
+
+      context 'for multiple selected WPs' do
+        let!(:work_package2) { create(:work_package, project: work_package.project) }
+
+        it 'provides a context menu with a subset of the available menu items' do
+          # Go to table
+          wp_table.visit!
+          wp_table.expect_work_package_listed(work_package)
+          wp_table.expect_work_package_listed(work_package2)
+
+          loading_indicator_saveguard
+
+          # Select all WPs
+          find('body').send_keys [:control, 'a']
+
+          menu.open_for(work_package)
+          menu.expect_options ['Open details view', 'Open fullscreen view',
+                               'Bulk edit', 'Bulk copy', 'Bulk change of project', 'Bulk delete']
+        end
+      end
+    end
+  end
+
+  context 'when in the card view' do
+    it_behaves_like 'provides a single WP context menu' do
+      let(:open_context_menu) do
+        -> {
+          # Go to table
+          wp_table.visit!
+          wp_table.expect_work_package_listed(work_package)
+
+          display_representation.switch_to_card_layout
+          loading_indicator_saveguard
+
+          # Open context menu
+          menu.expect_closed
+          menu.open_for(work_package)
+        }
+      end
+    end
+  end
+end
diff --git a/spec/features/work_packages/table/context_menu_spec.rb b/spec/features/work_packages/table/context_menu_spec.rb
deleted file mode 100644
index cedebb56c4..0000000000
--- a/spec/features/work_packages/table/context_menu_spec.rb
+++ /dev/null
@@ -1,172 +0,0 @@
-require 'spec_helper'
-
-describe 'Work package table context menu', js: true do
-  let(:user) { create(:admin) }
-  let(:work_package) { create(:work_package) }
-
-  let(:wp_table) { Pages::WorkPackagesTable.new }
-  let(:wp_timeline) { Pages::WorkPackagesTimeline.new(work_package.project) }
-  let(:menu) { Components::WorkPackages::ContextMenu.new }
-  let(:destroy_modal) { Components::WorkPackages::DestroyModal.new }
-  let(:time_logging_modal) { Components::TimeLoggingModal.new }
-  let(:display_representation) { ::Components::WorkPackages::DisplayRepresentation.new }
-
-  def goto_context_menu(list_view = true)
-    # Go to table
-    wp_table.visit!
-    wp_table.expect_work_package_listed(work_package)
-
-    display_representation.switch_to_card_layout unless list_view
-    loading_indicator_saveguard
-
-    # Open context menu
-    menu.expect_closed
-    menu.open_for(work_package)
-  end
-
-  shared_examples_for 'provides a context menu' do
-    let(:list_view) { raise 'needs to be defined' }
-
-    context 'for a single work package' do
-      it 'provide a context menu' do
-        # Open detail pane
-        goto_context_menu list_view
-        menu.choose('Open details view')
-        split_page = Pages::SplitWorkPackage.new(work_package)
-        split_page.expect_attributes Subject: work_package.subject
-
-        # Open full view
-        goto_context_menu list_view
-        menu.choose('Open fullscreen view')
-        expect(page).to have_selector('.work-packages--show-view .inline-edit--container.subject',
-                                      text: work_package.subject)
-
-        # Open log time
-        goto_context_menu list_view
-        menu.choose('Log time')
-        time_logging_modal.is_visible true
-        time_logging_modal.work_package_is_missing false
-        time_logging_modal.perform_action 'Cancel'
-
-        # Open Move
-        goto_context_menu list_view
-        menu.choose('Change project')
-        expect(page).to have_selector('h2', text: I18n.t(:button_move))
-        expect(page).to have_selector('a.work_package', text: "##{work_package.id}")
-
-        # Open Copy
-        goto_context_menu list_view
-        menu.choose('Copy')
-        # Split view open in copy state
-        expect(page)
-          .to have_selector('.wp-new-top-row',
-                            text: "#{work_package.status.name.capitalize}\n#{work_package.type.name.upcase}")
-        expect(page).to have_field('wp-new-inline-edit--field-subject', with: work_package.subject)
-
-        # Open Delete
-        goto_context_menu list_view
-        menu.choose('Delete')
-        destroy_modal.expect_listed(work_package)
-        destroy_modal.cancel_deletion
-
-        # Open create new child
-        goto_context_menu list_view
-        menu.choose('Create new child')
-        expect(page).to have_selector('.inline-edit--container.subject input')
-        expect(page).to have_selector('.inline-edit--field.type')
-        expect(current_url).to match(/.*\/create_new\?.*(&)*parent_id=#{work_package.id}/)
-
-        find('#work-packages--edit-actions-cancel').click
-        expect(page).to have_no_selector('.inline-edit--container.subject input')
-
-        # Timeline actions only shown when open
-        wp_timeline.expect_timeline!(open: false)
-
-        goto_context_menu list_view
-        menu.expect_no_options 'Add predecessor', 'Add follower'
-
-        # Copy to other project
-        goto_context_menu list_view
-        menu.choose('Copy to other project')
-        expect(page).to have_selector('h2', text: I18n.t(:button_copy))
-        expect(page).to have_selector('a.work_package', text: "##{work_package.id}")
-      end
-    end
-
-    context 'for multiple selected WPs' do
-      let!(:work_package2) { create(:work_package) }
-
-      it 'provides a context menu with a subset of the available menu items' do
-        # Go to table
-        wp_table.visit!
-        wp_table.expect_work_package_listed(work_package)
-        wp_table.expect_work_package_listed(work_package2)
-
-        display_representation.switch_to_card_layout unless list_view
-        loading_indicator_saveguard
-
-        # Select all WPs
-        find('body').send_keys [:control, 'a']
-
-        menu.open_for(work_package)
-        menu.expect_options ['Open details view', 'Open fullscreen view',
-                             'Bulk edit', 'Bulk copy', 'Bulk change of project', 'Bulk delete']
-      end
-    end
-  end
-
-  before do
-    login_as(user)
-    work_package
-  end
-
-  context 'in the table' do
-    it_behaves_like 'provides a context menu' do
-      let(:list_view) { true }
-    end
-
-    it 'provides a context menu with timeline options' do
-      goto_context_menu true
-      # Open timeline
-      wp_timeline.toggle_timeline
-      wp_timeline.expect_timeline!(open: true)
-
-      # Open context menu
-      menu.expect_closed
-      menu.open_for(work_package)
-      menu.expect_options ['Add predecessor', 'Add follower']
-    end
-
-    describe 'creating work packages' do
-      let!(:priority) { create :issue_priority, is_default: true }
-      let!(:status) { create :default_status }
-      let!(:type) { create :type_task }
-      let!(:project) { create :project, types: [type] }
-      let!(:work_package) { create :work_package, project: project, type: type, status: status, priority: priority }
-      let(:wp_table) { Pages::WorkPackagesTable.new project }
-
-      it 'can create a new child from the context menu (Regression #33329)' do
-        goto_context_menu true
-        menu.choose('Create new child')
-        expect(page).to have_selector('.inline-edit--container.subject input')
-        expect(current_url).to match(/.*\/create_new\?.*(&)*parent_id=#{work_package.id}/)
-
-        split_view = ::Pages::SplitWorkPackageCreate.new project: work_package.project
-        subject = split_view.edit_field(:subject)
-        subject.set_value 'Child task'
-        subject.submit_by_enter
-
-        split_view.expect_and_dismiss_toaster message: 'Successful creation.'
-        expect(page).to have_selector('[data-qa-selector="op-wp-breadcrumb"]', text: "Parent:\n#{work_package.subject}")
-        wp = WorkPackage.last
-        expect(wp.parent).to eq work_package
-      end
-    end
-  end
-
-  context 'in the card view' do
-    it_behaves_like 'provides a context menu' do
-      let(:list_view) { false }
-    end
-  end
-end
diff --git a/spec/features/work_packages/table/queries/me_filter_spec.rb b/spec/features/work_packages/table/queries/me_filter_spec.rb
index 06048687b0..09d1ea51db 100644
--- a/spec/features/work_packages/table/queries/me_filter_spec.rb
+++ b/spec/features/work_packages/table/queries/me_filter_spec.rb
@@ -36,7 +36,7 @@ describe 'filter me value', js: true do
            public: true,
            members: project_members
   end
-  let(:role) { create :existing_role, permissions: [:view_work_packages] }
+  let(:role) { create :existing_role, permissions: %i[view_work_packages work_package_assigned] }
   let(:admin) { create :admin }
   let(:user) { create :user }
   let(:wp_table) { ::Pages::WorkPackagesTable.new(project) }
diff --git a/spec/features/work_packages/table/work_packages_table_project_include_spec.rb b/spec/features/work_packages/table/work_packages_table_project_include_spec.rb
index ed31c9729a..867a8c6159 100644
--- a/spec/features/work_packages/table/work_packages_table_project_include_spec.rb
+++ b/spec/features/work_packages/table/work_packages_table_project_include_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/features/work_packages/work_package_workflow_form_spec.rb b/spec/features/work_packages/work_package_workflow_form_spec.rb
index 39d80aa68d..bb005bbe89 100644
--- a/spec/features/work_packages/work_package_workflow_form_spec.rb
+++ b/spec/features/work_packages/work_package_workflow_form_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/features/wysiwyg/custom_css_classes_spec.rb b/spec/features/wysiwyg/custom_css_classes_spec.rb
index bd2ba7ff9b..97541d76e9 100644
--- a/spec/features/wysiwyg/custom_css_classes_spec.rb
+++ b/spec/features/wysiwyg/custom_css_classes_spec.rb
@@ -63,7 +63,12 @@ describe 'Wysiwyg paragraphs in lists behavior (Regression #28765)',
 
       *   [ ] task list
 
-      <figure><img src="/api/v3/attachments/44/content"><figcaption>Image</figcaption></figure>
+      <figure>
+        <div>
+          <img src="/attachments/44/content">
+        </div>
+        <figcaption>Image</figcaption>
+      </figure>
 
       > Quote
 
diff --git a/spec/features/wysiwyg/macros/child_pages_spec.rb b/spec/features/wysiwyg/macros/child_pages_spec.rb
index 43cd8499cd..067f2888dd 100644
--- a/spec/features/wysiwyg/macros/child_pages_spec.rb
+++ b/spec/features/wysiwyg/macros/child_pages_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/features/wysiwyg/tables_spec.rb b/spec/features/wysiwyg/tables_spec.rb
index c0d722743c..dfab3e5e9b 100644
--- a/spec/features/wysiwyg/tables_spec.rb
+++ b/spec/features/wysiwyg/tables_spec.rb
@@ -98,6 +98,7 @@ describe 'Wysiwyg tables',
 
           # Make first row th
           tds.first.click
+          tds.first.send_keys :tab
 
           # Click row toolbar
           editor.click_hover_toolbar_button 'RowRow'
@@ -199,7 +200,11 @@ describe 'Wysiwyg tables',
 
           # Change table styles
           tds = editable.all('.op-uc-table .op-uc-table--cell')
-          tds.first.click
+
+          # For some reason, the entire table is still selected so use tab to move to the next cell
+          tds[0].click
+          tds[0].send_keys :tab
+
           editor.click_hover_toolbar_button 'Table properties'
 
           # Set style to dotted
@@ -222,10 +227,8 @@ describe 'Wysiwyg tables',
 
           # rest is set on table
           expect(editable).to have_selector('table[style*="background-color:red"]')
-          expect(editable).to have_selector('table[style*="border-bottom:10px dotted"]')
-          expect(editable).to have_selector('table[style*="border-right:10px dotted"]')
-          expect(editable).to have_selector('table[style*="border-left:10px dotted"]')
-          expect(editable).to have_selector('table[style*="border-top:10px dotted"]')
+          expect(editable).to have_selector('table[style*="border-style:dotted"]')
+          expect(editable).to have_selector('table[style*="border-width:10px"]')
         end
 
         # Save wiki page
@@ -240,10 +243,8 @@ describe 'Wysiwyg tables',
 
           # rest is set on table
           expect(page).to have_selector('table[style*="background-color:red"]')
-          expect(page).to have_selector('table[style*="border-bottom:10px dotted"]')
-          expect(page).to have_selector('table[style*="border-right:10px dotted"]')
-          expect(page).to have_selector('table[style*="border-left:10px dotted"]')
-          expect(page).to have_selector('table[style*="border-top:10px dotted"]')
+          expect(page).to have_selector('table[style*="border-style:dotted"]')
+          expect(page).to have_selector('table[style*="border-width:10px"]')
         end
 
         # Edit again
@@ -259,10 +260,8 @@ describe 'Wysiwyg tables',
 
           # rest is set on table
           expect(editable).to have_selector('table[style*="background-color:red"]')
-          expect(editable).to have_selector('table[style*="border-bottom:10px dotted"]')
-          expect(editable).to have_selector('table[style*="border-right:10px dotted"]')
-          expect(editable).to have_selector('table[style*="border-left:10px dotted"]')
-          expect(editable).to have_selector('table[style*="border-top:10px dotted"]')
+          expect(editable).to have_selector('table[style*="border-style:dotted"]')
+          expect(editable).to have_selector('table[style*="border-width:10px"]')
         end
       end
 
diff --git a/spec/features/wysiwyg/ui_localization_spec.rb b/spec/features/wysiwyg/ui_localization_spec.rb
new file mode 100644
index 0000000000..14e122780c
--- /dev/null
+++ b/spec/features/wysiwyg/ui_localization_spec.rb
@@ -0,0 +1,71 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2021 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+require 'spec_helper'
+
+describe 'WYSIWYG UI localization',
+         type: :feature, js: true do
+  let(:user) { create(:admin, language: language) }
+  let(:project) { create(:project, enabled_module_names: %w[wiki]) }
+  let(:editor) { ::Components::WysiwygEditor.new }
+
+  let(:wiki_page) do
+    page = build :wiki_page_with_content
+    page.content.text = <<~MARKDOWN
+      paragraph
+
+      # h1
+    MARKDOWN
+
+    page
+  end
+
+  before do
+    login_as(user)
+    project.wiki.pages << wiki_page
+    project.wiki.save!
+
+    visit edit_project_wiki_path(project, wiki_page.slug)
+  end
+
+  context 'with german locale' do
+    let(:language) { :de }
+
+    it 'renders the UI in German' do
+      expect(page).to have_selector('.ck-button__label', text: 'Absatz')
+    end
+  end
+
+  context 'with english locale' do
+    let(:language) { :en }
+
+    it 'renders the UI in English' do
+      expect(page).to have_selector('.ck-button__label', text: 'Paragraph')
+    end
+  end
+end
diff --git a/spec/helpers/hook_helper_spec.rb b/spec/helpers/hook_helper_spec.rb
index 0138c7df81..5b1bc148e6 100644
--- a/spec/helpers/hook_helper_spec.rb
+++ b/spec/helpers/hook_helper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/helpers/individual_principal_hooks_helper_spec.rb b/spec/helpers/individual_principal_hooks_helper_spec.rb
index ea3d19a659..501b1b372e 100644
--- a/spec/helpers/individual_principal_hooks_helper_spec.rb
+++ b/spec/helpers/individual_principal_hooks_helper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/helpers/settings_helper_spec.rb b/spec/helpers/settings_helper_spec.rb
index 61a8a17906..a40e794c32 100644
--- a/spec/helpers/settings_helper_spec.rb
+++ b/spec/helpers/settings_helper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/helpers/text_formatting_helper_spec.rb b/spec/helpers/text_formatting_helper_spec.rb
index c5d40c69da..501de10289 100644
--- a/spec/helpers/text_formatting_helper_spec.rb
+++ b/spec/helpers/text_formatting_helper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/helpers/toolbar_helper_spec.rb b/spec/helpers/toolbar_helper_spec.rb
index caac9d8f99..92096b01bc 100644
--- a/spec/helpers/toolbar_helper_spec.rb
+++ b/spec/helpers/toolbar_helper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/contracts/model_contract_spec.rb b/spec/lib/api/contracts/model_contract_spec.rb
index a91689fdc9..488a99924f 100644
--- a/spec/lib/api/contracts/model_contract_spec.rb
+++ b/spec/lib/api/contracts/model_contract_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/lib/api/utilities/page_size_helper_spec.rb b/spec/lib/api/utilities/url_props_parsing_helper_spec.rb
similarity index 94%
rename from spec/lib/api/utilities/page_size_helper_spec.rb
rename to spec/lib/api/utilities/url_props_parsing_helper_spec.rb
index 322a084f78..1f22ad4a86 100644
--- a/spec/lib/api/utilities/page_size_helper_spec.rb
+++ b/spec/lib/api/utilities/url_props_parsing_helper_spec.rb
@@ -28,10 +28,10 @@
 
 require 'spec_helper'
 
-describe ::API::Utilities::PageSizeHelper do
+describe ::API::Utilities::UrlPropsParsingHelper do
   let(:clazz) do
     Class.new do
-      include ::API::Utilities::PageSizeHelper
+      include ::API::Utilities::UrlPropsParsingHelper
     end
   end
   let(:subject) { clazz.new }
diff --git a/spec/lib/api/v3/actions/action_sql_respresenter_rendering_spec.rb b/spec/lib/api/v3/actions/action_sql_respresenter_rendering_spec.rb
index 785728ca72..0c883690dc 100644
--- a/spec/lib/api/v3/actions/action_sql_respresenter_rendering_spec.rb
+++ b/spec/lib/api/v3/actions/action_sql_respresenter_rendering_spec.rb
@@ -46,9 +46,8 @@ describe ::API::V3::Actions::ActionSqlRepresenter, 'rendering' do
   subject(:json) do
     ::API::V3::Utilities::SqlRepresenterWalker
       .new(scope,
-           embed: {},
-           select: { 'id' => {}, '_type' => {}, 'self' => {} },
-           current_user: current_user)
+           current_user: current_user,
+           url_query: { select: { 'id' => {}, '_type' => {}, 'self' => {} } })
       .walk(API::V3::Actions::ActionSqlRepresenter)
       .to_json
   end
diff --git a/spec/lib/api/v3/capabilities/capability_sql_representer_rendering_spec.rb b/spec/lib/api/v3/capabilities/capability_sql_representer_rendering_spec.rb
index bd0e42d94e..8ecaf34be9 100644
--- a/spec/lib/api/v3/capabilities/capability_sql_representer_rendering_spec.rb
+++ b/spec/lib/api/v3/capabilities/capability_sql_representer_rendering_spec.rb
@@ -58,11 +58,12 @@ describe ::API::V3::Capabilities::CapabilitySqlRepresenter, 'rendering' do
 
   subject(:json) do
     ::API::V3::Utilities::SqlRepresenterWalker
-      .new(scope,
-           embed: {},
-           select: { 'id' => {}, '_type' => {}, 'self' => {}, 'action' => {}, 'context' => {}, 'principal' => {} },
-           current_user: current_user)
-      .walk(API::V3::Capabilities::CapabilitySqlRepresenter)
+      .new(
+        scope,
+        current_user: current_user,
+        url_query: { select: { 'id' => {}, '_type' => {}, 'self' => {}, 'action' => {}, 'context' => {}, 'principal' => {} } }
+      )
+      .walk(described_class)
       .to_json
   end
 
diff --git a/spec/lib/api/v3/groups/group_sql_representer_rendering_spec.rb b/spec/lib/api/v3/groups/group_sql_representer_rendering_spec.rb
new file mode 100644
index 0000000000..81ec34116d
--- /dev/null
+++ b/spec/lib/api/v3/groups/group_sql_representer_rendering_spec.rb
@@ -0,0 +1,74 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+require 'spec_helper'
+
+describe ::API::V3::Groups::GroupSqlRepresenter, 'rendering' do
+  include ::API::V3::Utilities::PathHelper
+
+  subject(:json) do
+    ::API::V3::Utilities::SqlRepresenterWalker
+      .new(scope,
+           current_user: current_user,
+           url_query: { select: select })
+      .walk(described_class)
+      .to_json
+  end
+
+  let(:scope) do
+    Group
+      .where(id: group.id)
+  end
+
+  let(:group) { create(:group) }
+
+  let(:select) { { '*' => {} } }
+
+  current_user do
+    create(:user)
+  end
+
+  context 'when rendering all supported properties' do
+    let(:expected) do
+      {
+        _type: "Group",
+        id: group.id,
+        name: group.name,
+        _links: {
+          self: {
+            href: api_v3_paths.group(group.id),
+            title: group.name
+          }
+        }
+      }
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+end
diff --git a/spec/lib/api/v3/placeholder_users/placeholder_user_sql_representer_rendering_spec.rb b/spec/lib/api/v3/placeholder_users/placeholder_user_sql_representer_rendering_spec.rb
new file mode 100644
index 0000000000..178f173808
--- /dev/null
+++ b/spec/lib/api/v3/placeholder_users/placeholder_user_sql_representer_rendering_spec.rb
@@ -0,0 +1,74 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+require 'spec_helper'
+
+describe ::API::V3::PlaceholderUsers::PlaceholderUserSqlRepresenter, 'rendering' do
+  include ::API::V3::Utilities::PathHelper
+
+  subject(:json) do
+    ::API::V3::Utilities::SqlRepresenterWalker
+      .new(scope,
+           current_user: current_user,
+           url_query: { select: select })
+      .walk(described_class)
+      .to_json
+  end
+
+  let(:scope) do
+    PlaceholderUser
+      .where(id: placeholder_user.id)
+  end
+
+  let(:placeholder_user) { create(:placeholder_user) }
+
+  let(:select) { { '*' => {} } }
+
+  current_user do
+    create(:user)
+  end
+
+  context 'when rendering all supported properties' do
+    let(:expected) do
+      {
+        _type: "PlaceholderUser",
+        id: placeholder_user.id,
+        name: placeholder_user.name,
+        _links: {
+          self: {
+            href: api_v3_paths.placeholder_user(placeholder_user.id),
+            title: placeholder_user.name
+          }
+        }
+      }
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+end
diff --git a/spec/lib/api/v3/principals/principal_sql_representer_rendering_spec.rb b/spec/lib/api/v3/principals/principal_sql_representer_rendering_spec.rb
new file mode 100644
index 0000000000..a2d40ae144
--- /dev/null
+++ b/spec/lib/api/v3/principals/principal_sql_representer_rendering_spec.rb
@@ -0,0 +1,141 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+require 'spec_helper'
+
+describe ::API::V3::Principals::PrincipalSqlRepresenter, 'rendering' do
+  include ::API::V3::Utilities::PathHelper
+
+  subject(:json) do
+    ::API::V3::Utilities::SqlRepresenterWalker
+      .new(scope,
+           current_user: current_user,
+           url_query: { select: select })
+      .walk(described_class)
+      .to_json
+  end
+
+  let(:scope) do
+    Principal
+      .where(id: rendered_principal.id)
+  end
+
+  let(:group) { create(:group) }
+  let(:placeholder_user) { create(:placeholder_user) }
+
+  let(:select) { { '*' => {} } }
+
+  current_user do
+    create(:user)
+  end
+
+  context 'when rendering all supported properties for a group' do
+    let(:rendered_principal) { group }
+
+    let(:expected) do
+      {
+        _type: "Group",
+        id: group.id,
+        name: group.name,
+        _links: {
+          self: {
+            href: api_v3_paths.group(group.id),
+            title: group.name
+          }
+        }
+      }
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+
+  context 'when rendering all supported properties for a placeholder user' do
+    let(:rendered_principal) { placeholder_user }
+
+    let(:expected) do
+      {
+        _type: "PlaceholderUser",
+        id: placeholder_user.id,
+        name: placeholder_user.name,
+        _links: {
+          self: {
+            href: api_v3_paths.placeholder_user(placeholder_user.id),
+            title: placeholder_user.name
+          }
+        }
+      }
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+
+  context 'when rendering all supported properties for a user' do
+    let(:rendered_principal) { current_user }
+
+    let(:expected) do
+      {
+        _type: "User",
+        id: current_user.id,
+        name: current_user.name,
+        firstname: current_user.firstname,
+        lastname: current_user.lastname,
+        _links: {
+          self: {
+            href: api_v3_paths.user(current_user.id),
+            title: current_user.name
+          }
+        }
+      }
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+
+  context 'when rendering only the name property for a user' do
+    let(:rendered_principal) { current_user }
+    let(:select) { { 'name' => {} } }
+
+    let(:expected) do
+      {
+        name: current_user.name
+      }
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+end
diff --git a/spec/lib/api/v3/projects/project_sql_collection_representer_rendering_spec.rb b/spec/lib/api/v3/projects/project_sql_collection_representer_rendering_spec.rb
new file mode 100644
index 0000000000..9e8ceeebe4
--- /dev/null
+++ b/spec/lib/api/v3/projects/project_sql_collection_representer_rendering_spec.rb
@@ -0,0 +1,145 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+require 'spec_helper'
+
+describe ::API::V3::Projects::ProjectSqlCollectionRepresenter, 'rendering' do
+  include ::API::V3::Utilities::PathHelper
+
+  subject(:json) do
+    ::API::V3::Utilities::SqlRepresenterWalker
+      .new(scope,
+           current_user: current_user,
+           self_path: 'some_path',
+           url_query: { offset: 1, pageSize: 5, select: select })
+      .walk(described_class)
+      .to_json
+  end
+
+  let(:scope) do
+    Project
+      .where(id: project.id)
+  end
+
+  let(:project) do
+    create(:project)
+  end
+
+  let(:role) { create(:role) }
+
+  let(:select) do
+    { '*' => {}, 'elements' => { '*' => {} } }
+  end
+
+  current_user do
+    create(:user,
+           member_in_project: project,
+           member_through_role: role)
+  end
+
+  context 'when rendering everything' do
+    let(:expected) do
+      {
+        _type: "Collection",
+        pageSize: 5,
+        total: 1,
+        count: 1,
+        offset: 1,
+        _embedded: {
+          elements: [
+            {
+              id: project.id,
+              _type: "Project",
+              name: project.name,
+              identifier: project.identifier,
+              active: true,
+              public: false,
+              _links: {
+                ancestors: [],
+                self: {
+                  href: api_v3_paths.project(project.id),
+                  title: project.name
+                }
+              }
+            }
+          ]
+        },
+        _links: {
+          self: {
+            href: "some_path?offset=1&pageSize=5&select=%2A%2Celements%2F%2A"
+          },
+          changeSize: {
+            href: "some_path?offset=1&pageSize=%7Bsize%7D&select=%2A%2Celements%2F%2A",
+            templated: true
+          },
+          jumpTo: {
+            href: "some_path?offset=%7Boffset%7D&pageSize=5&select=%2A%2Celements%2F%2A",
+            templated: true
+          }
+        }
+      }.to_json
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected)
+    end
+  end
+
+  context 'when rendering only collection attributes' do
+    let(:select) do
+      { '*' => {} }
+    end
+
+    let(:expected) do
+      {
+        _type: "Collection",
+        pageSize: 5,
+        total: 1,
+        count: 1,
+        offset: 1,
+        _links: {
+          self: {
+            href: "some_path?offset=1&pageSize=5&select=%2A"
+          },
+          changeSize: {
+            href: "some_path?offset=1&pageSize=%7Bsize%7D&select=%2A",
+            templated: true
+          },
+          jumpTo: {
+            href: "some_path?offset=%7Boffset%7D&pageSize=5&select=%2A",
+            templated: true
+          }
+        }
+      }.to_json
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected)
+    end
+  end
+end
diff --git a/spec/lib/api/v3/projects/project_sql_representer_rendering_spec.rb b/spec/lib/api/v3/projects/project_sql_representer_rendering_spec.rb
new file mode 100644
index 0000000000..404baa7870
--- /dev/null
+++ b/spec/lib/api/v3/projects/project_sql_representer_rendering_spec.rb
@@ -0,0 +1,200 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+require 'spec_helper'
+
+describe ::API::V3::Projects::ProjectSqlRepresenter, 'rendering' do
+  include ::API::V3::Utilities::PathHelper
+
+  subject(:json) do
+    ::API::V3::Utilities::SqlRepresenterWalker
+      .new(scope,
+           current_user: current_user,
+           url_query: { select: select })
+      .walk(described_class)
+      .to_json
+  end
+
+  let(:scope) do
+    Project
+      .where(id: project.id)
+  end
+
+  let(:project) do
+    create(:project)
+  end
+
+  let(:role) { create(:role) }
+
+  let(:select) { { '*' => {} } }
+
+  current_user do
+    create(:user,
+           member_in_project: project,
+           member_through_role: role)
+  end
+
+  context 'when rendering all supported properties' do
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(
+          {
+            id: project.id,
+            _type: "Project",
+            name: project.name,
+            identifier: project.identifier,
+            active: true,
+            public: false,
+            _links: {
+              ancestors: [],
+              self: {
+                href: api_v3_paths.project(project.id),
+                title: project.name
+              }
+            }
+          }.to_json
+        )
+    end
+  end
+
+  context 'with an ancestor' do
+    let!(:parent) do
+      create(:project, members: { current_user => role }).tap do |parent|
+        project.parent = parent
+        project.save
+      end
+    end
+
+    let!(:grandparent) do
+      create(:project, members: { current_user => role }).tap do |grandparent|
+        parent.parent = grandparent
+        parent.save
+      end
+    end
+
+    let(:select) { { 'ancestors' => {} } }
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(
+          {
+            _links: {
+              ancestors: [
+                {
+                  href: api_v3_paths.project(grandparent.id),
+                  title: grandparent.name
+                },
+                {
+                  href: api_v3_paths.project(parent.id),
+                  title: parent.name
+                }
+              ]
+            }
+          }.to_json
+        )
+    end
+  end
+
+  context 'with an ancestor the user does not have permission to see' do
+    let!(:parent) do
+      create(:project).tap do |parent|
+        project.parent = parent
+        project.save
+      end
+    end
+
+    let!(:grandparent) do
+      create(:project, members: { current_user => role }).tap do |grandparent|
+        parent.parent = grandparent
+        parent.save
+      end
+    end
+
+    let(:select) { { 'ancestors' => {} } }
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(
+          {
+            _links: {
+              ancestors: [
+                {
+                  href: api_v3_paths.project(grandparent.id),
+                  title: grandparent.name
+                },
+                {
+                  href: API::V3::URN_UNDISCLOSED,
+                  title: I18n.t(:'api_v3.undisclosed.ancestor')
+                }
+              ]
+            }
+          }.to_json
+        )
+    end
+  end
+
+  context 'with an archived ancestor but with the user being admin' do
+    let!(:parent) do
+      create(:project, active: false).tap do |parent|
+        project.parent = parent
+        project.save
+      end
+    end
+
+    let!(:grandparent) do
+      create(:project).tap do |grandparent|
+        parent.parent = grandparent
+        parent.save
+      end
+    end
+
+    let(:select) { { 'ancestors' => {} } }
+
+    current_user do
+      create(:admin)
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(
+          {
+            _links: {
+              ancestors: [
+                {
+                  href: api_v3_paths.project(grandparent.id),
+                  title: grandparent.name
+                },
+                {
+                  href: api_v3_paths.project(parent.id),
+                  title: parent.name
+                }
+              ]
+            }
+          }.to_json
+        )
+    end
+  end
+end
diff --git a/spec/lib/api/v3/users/paginated_user_collection_representer_spec.rb b/spec/lib/api/v3/users/unpaginated_user_collection_representer_spec.rb
similarity index 65%
rename from spec/lib/api/v3/users/paginated_user_collection_representer_spec.rb
rename to spec/lib/api/v3/users/unpaginated_user_collection_representer_spec.rb
index 74ac169331..fe364129b5 100644
--- a/spec/lib/api/v3/users/paginated_user_collection_representer_spec.rb
+++ b/spec/lib/api/v3/users/unpaginated_user_collection_representer_spec.rb
@@ -28,45 +28,20 @@
 
 require 'spec_helper'
 
-describe ::API::V3::Users::PaginatedUserCollectionRepresenter do
-  let(:self_base_link) { '/api/v3/users' }
-  let(:collection_inner_type) { 'User' }
-  let(:total) { 3 }
-  let(:page) { 1 }
-  let(:page_size) { 2 }
-  let(:actual_count) { 3 }
-
+describe ::API::V3::Users::UnpaginatedUserCollectionRepresenter do
   let(:users) do
-    users = build_stubbed_list(:user,
-                               actual_count)
-    allow(users)
-      .to receive(:per_page)
-      .with(page_size)
-      .and_return(users)
-
-    allow(users)
-      .to receive(:page)
-      .with(page)
-      .and_return(users)
-
-    allow(users)
-      .to receive(:count)
-      .and_return(total)
-
-    users
+    build_stubbed_list(:user,
+                       3)
   end
-
   let(:representer) do
     described_class.new(users,
-                        self_link: '/api/v3/users',
-                        per_page: page_size,
-                        page: page,
+                        self_link: '/api/v3/work_package/1/watchers',
                         current_user: users.first)
   end
 
   context 'generation' do
     subject(:collection) { representer.to_json }
 
-    it_behaves_like 'offset-paginated APIv3 collection'
+    it_behaves_like 'unpaginated APIv3 collection', 3, 'work_package/1/watchers', 'User'
   end
 end
diff --git a/spec/lib/api/v3/users/user_collection_representer_spec.rb b/spec/lib/api/v3/users/user_collection_representer_spec.rb
index 72e9ef1f16..7db40798ef 100644
--- a/spec/lib/api/v3/users/user_collection_representer_spec.rb
+++ b/spec/lib/api/v3/users/user_collection_representer_spec.rb
@@ -29,19 +29,44 @@
 require 'spec_helper'
 
 describe ::API::V3::Users::UserCollectionRepresenter do
+  let(:self_base_link) { '/api/v3/users' }
+  let(:collection_inner_type) { 'User' }
+  let(:total) { 3 }
+  let(:page) { 1 }
+  let(:page_size) { 2 }
+  let(:actual_count) { 3 }
+
   let(:users) do
-    build_stubbed_list(:user,
-                       3)
+    users = build_stubbed_list(:user,
+                               actual_count)
+    allow(users)
+      .to receive(:per_page)
+      .with(page_size)
+      .and_return(users)
+
+    allow(users)
+      .to receive(:page)
+      .with(page)
+      .and_return(users)
+
+    allow(users)
+      .to receive(:count)
+      .and_return(total)
+
+    users
   end
+
   let(:representer) do
     described_class.new(users,
-                        self_link: '/api/v3/work_package/1/watchers',
+                        self_link: '/api/v3/users',
+                        per_page: page_size,
+                        page: page,
                         current_user: users.first)
   end
 
   context 'generation' do
     subject(:collection) { representer.to_json }
 
-    it_behaves_like 'unpaginated APIv3 collection', 3, 'work_package/1/watchers', 'User'
+    it_behaves_like 'offset-paginated APIv3 collection'
   end
 end
diff --git a/spec/lib/api/v3/users/user_sql_representer_rendering_spec.rb b/spec/lib/api/v3/users/user_sql_representer_rendering_spec.rb
new file mode 100644
index 0000000000..e1e3e5a794
--- /dev/null
+++ b/spec/lib/api/v3/users/user_sql_representer_rendering_spec.rb
@@ -0,0 +1,189 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+require 'spec_helper'
+
+describe ::API::V3::Users::UserSqlRepresenter, 'rendering' do
+  include ::API::V3::Utilities::PathHelper
+
+  subject(:json) do
+    ::API::V3::Utilities::SqlRepresenterWalker
+      .new(scope,
+           current_user: current_user,
+           url_query: { select: select })
+      .walk(described_class)
+      .to_json
+  end
+
+  let(:scope) do
+    User
+      .where(id: rendered_user.id)
+  end
+
+  let(:rendered_user) { current_user }
+
+  let(:select) { { '*' => {} } }
+
+  current_user do
+    create(:user)
+  end
+
+  context 'when rendering all supported properties' do
+    let(:expected) do
+      {
+        _type: "User",
+        id: current_user.id,
+        name: current_user.name,
+        firstname: current_user.firstname,
+        lastname: current_user.lastname,
+        _links: {
+          self: {
+            href: api_v3_paths.user(current_user.id),
+            title: current_user.name
+          }
+        }
+      }
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+
+  describe 'name property' do
+    shared_examples_for 'name property depending on user format setting' do
+      let(:select) { { 'name' => {} } }
+
+      let(:expected) do
+        {
+          name: current_user.name
+        }
+      end
+
+      it 'renders as expected' do
+        expect(json)
+          .to be_json_eql(expected.to_json)
+      end
+    end
+
+    context 'when user_format is set to firstname', with_settings: { user_format: :firstname } do
+      it_behaves_like 'name property depending on user format setting'
+    end
+
+    context 'when user_format is set to lastname_firstname', with_settings: { user_format: :lastname_firstname } do
+      it_behaves_like 'name property depending on user format setting'
+    end
+
+    context 'when user_format is set to lastname_coma_firstname', with_settings: { user_format: :lastname_coma_firstname } do
+      it_behaves_like 'name property depending on user format setting'
+    end
+
+    context 'when user_format is set to lastname_n_firstname', with_settings: { user_format: :lastname_n_firstname } do
+      it_behaves_like 'name property depending on user format setting'
+    end
+
+    context 'when user_format is set to username', with_settings: { user_format: :username } do
+      it_behaves_like 'name property depending on user format setting'
+    end
+  end
+
+  describe 'firstname property' do
+    let(:select) { { 'firstname' => {} } }
+
+    context 'when the user is the current user' do
+      it 'renders the firstname' do
+        expect(json)
+          .to be_json_eql(
+            {
+              firstname: rendered_user.firstname
+            }.to_json
+          )
+      end
+    end
+
+    context 'when the user is a user not having manage_user permission' do
+      let(:rendered_user) { create(:user) }
+
+      it 'hides the firstname' do
+        expect(json)
+          .to be_json_eql({}.to_json)
+      end
+    end
+
+    context 'when the user is a user having manage_user permission' do
+      let(:current_user) { create(:user, global_permissions: [:manage_user]) }
+      let(:rendered_user) { create(:user) }
+
+      it 'renders the firstname' do
+        expect(json)
+          .to be_json_eql(
+            {
+              firstname: rendered_user.firstname
+            }.to_json
+          )
+      end
+    end
+  end
+
+  describe 'lastname property' do
+    let(:select) { { 'lastname' => {} } }
+
+    context 'when the user is the current user' do
+      it 'renders the lastname' do
+        expect(json)
+          .to be_json_eql(
+            {
+              lastname: rendered_user.lastname
+            }.to_json
+          )
+      end
+    end
+
+    context 'when the user is a user not having manage_user permission' do
+      let(:rendered_user) { create(:user) }
+
+      it 'hides the lastname' do
+        expect(json)
+          .to be_json_eql({}.to_json)
+      end
+    end
+
+    context 'when the user is a user having manage_user permission' do
+      let(:current_user) { create(:user, global_permissions: [:manage_user]) }
+      let(:rendered_user) { create(:user) }
+
+      it 'renders the lastname' do
+        expect(json)
+          .to be_json_eql(
+            {
+              lastname: rendered_user.lastname
+            }.to_json
+          )
+      end
+    end
+  end
+end
diff --git a/spec/lib/api/v3/utilities/resource_link_generator_spec.rb b/spec/lib/api/v3/utilities/resource_link_generator_spec.rb
index 0c9f20d7ff..e58a8accbe 100644
--- a/spec/lib/api/v3/utilities/resource_link_generator_spec.rb
+++ b/spec/lib/api/v3/utilities/resource_link_generator_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/create_form_representer_spec.rb b/spec/lib/api/v3/work_packages/create_form_representer_spec.rb
index 8460c46744..c3483e2970 100644
--- a/spec/lib/api/v3/work_packages/create_form_representer_spec.rb
+++ b/spec/lib/api/v3/work_packages/create_form_representer_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/create_project_form_representer_spec.rb b/spec/lib/api/v3/work_packages/create_project_form_representer_spec.rb
index 977ab6941e..c1b09a90d5 100644
--- a/spec/lib/api/v3/work_packages/create_project_form_representer_spec.rb
+++ b/spec/lib/api/v3/work_packages/create_project_form_representer_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/eager_loading/cache_checksum_integration_spec.rb b/spec/lib/api/v3/work_packages/eager_loading/cache_checksum_integration_spec.rb
index 374e2d9a73..784d2a9249 100644
--- a/spec/lib/api/v3/work_packages/eager_loading/cache_checksum_integration_spec.rb
+++ b/spec/lib/api/v3/work_packages/eager_loading/cache_checksum_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/eager_loading/custom_actions_integration_spec.rb b/spec/lib/api/v3/work_packages/eager_loading/custom_actions_integration_spec.rb
index ba2303cd80..59f4dcb706 100644
--- a/spec/lib/api/v3/work_packages/eager_loading/custom_actions_integration_spec.rb
+++ b/spec/lib/api/v3/work_packages/eager_loading/custom_actions_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/eager_loading/custom_value_integration_spec.rb b/spec/lib/api/v3/work_packages/eager_loading/custom_value_integration_spec.rb
index 1089a91406..fa059b3206 100644
--- a/spec/lib/api/v3/work_packages/eager_loading/custom_value_integration_spec.rb
+++ b/spec/lib/api/v3/work_packages/eager_loading/custom_value_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/eager_loading/eager_loading_mock_wrapper.rb b/spec/lib/api/v3/work_packages/eager_loading/eager_loading_mock_wrapper.rb
index 0e5edba2d4..876f03e21a 100644
--- a/spec/lib/api/v3/work_packages/eager_loading/eager_loading_mock_wrapper.rb
+++ b/spec/lib/api/v3/work_packages/eager_loading/eager_loading_mock_wrapper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/eager_loading/project_integration_spec.rb b/spec/lib/api/v3/work_packages/eager_loading/project_integration_spec.rb
index 8f616b31f7..a2b98d1731 100644
--- a/spec/lib/api/v3/work_packages/eager_loading/project_integration_spec.rb
+++ b/spec/lib/api/v3/work_packages/eager_loading/project_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/update_form_representer_spec.rb b/spec/lib/api/v3/work_packages/update_form_representer_spec.rb
index bd4e923e71..6fdf031e1a 100644
--- a/spec/lib/api/v3/work_packages/update_form_representer_spec.rb
+++ b/spec/lib/api/v3/work_packages/update_form_representer_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/lib/api/v3/work_packages/work_package_sql_representer_rendering_spec.rb b/spec/lib/api/v3/work_packages/work_package_sql_representer_rendering_spec.rb
new file mode 100644
index 0000000000..99d857908d
--- /dev/null
+++ b/spec/lib/api/v3/work_packages/work_package_sql_representer_rendering_spec.rb
@@ -0,0 +1,182 @@
+#  OpenProject is an open source project management software.
+#  Copyright (C) 2010-2022 the OpenProject GmbH
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 3.
+#
+#  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+#  Copyright (C) 2006-2013 Jean-Philippe Lang
+#  Copyright (C) 2010-2013 the ChiliProject Team
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+#  See COPYRIGHT and LICENSE files for more details.
+
+require 'spec_helper'
+
+describe ::API::V3::WorkPackages::WorkPackageSqlRepresenter, 'rendering' do
+  include ::API::V3::Utilities::PathHelper
+
+  subject(:json) do
+    ::API::V3::Utilities::SqlRepresenterWalker
+      .new(scope,
+           current_user: current_user,
+           url_query: { select: select })
+      .walk(described_class)
+      .to_json
+  end
+
+  let(:scope) do
+    WorkPackage
+      .where(id: rendered_work_package.id)
+  end
+
+  let(:rendered_work_package) do
+    create(:work_package,
+           project: project,
+           assigned_to: assignee,
+           author: author,
+           responsible: responsible)
+  end
+  let(:project) { create(:project) }
+  let(:assignee) { nil }
+  let(:author) { create(:user) }
+  let(:responsible) { nil }
+
+  let(:select) { { '*' => {} } }
+
+  current_user do
+    create(:user)
+  end
+
+  context 'when rendering all supported properties' do
+    let(:expected) do
+      {
+        _type: "WorkPackage",
+        id: rendered_work_package.id,
+        subject: rendered_work_package.subject,
+        _links: {
+          self: {
+            href: api_v3_paths.work_package(rendered_work_package.id),
+            title: rendered_work_package.subject
+          },
+          project: {
+            href: api_v3_paths.project(project.id),
+            title: project.name
+          },
+          assignee: {
+            href: nil
+          },
+          responsible: {
+            href: nil
+          },
+          author: {
+            href: api_v3_paths.user(author.id),
+            title: author.name
+          }
+        }
+      }
+    end
+
+    it 'renders as expected' do
+      expect(json)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+
+  shared_examples_for 'principal link' do |link_name, only_user: false|
+    let(:select) { { link_name => {} } }
+
+    context 'with a user' do
+      let(:principal_object) { create(:user) }
+
+      let(:expected) do
+        {
+          _links: {
+            link_name => {
+              href: api_v3_paths.user(principal_object.id),
+              title: principal_object.name
+            }
+          }
+        }
+      end
+
+      it 'renders as expected' do
+        expect(json)
+          .to be_json_eql(expected.to_json)
+      end
+    end
+
+    unless only_user
+      context 'with a group' do
+        let(:principal_object) { create(:group) }
+
+        let(:expected) do
+          {
+            _links: {
+              link_name => {
+                href: api_v3_paths.group(principal_object.id),
+                title: principal_object.name
+              }
+            }
+          }
+        end
+
+        it 'renders as expected' do
+          expect(json)
+            .to be_json_eql(expected.to_json)
+        end
+      end
+
+      context 'with a placeholder user' do
+        let(:principal_object) { create(:placeholder_user) }
+
+        let(:expected) do
+          {
+            _links: {
+              link_name => {
+                href: api_v3_paths.placeholder_user(principal_object.id),
+                title: principal_object.name
+              }
+            }
+          }
+        end
+
+        it 'renders as expected' do
+          expect(json)
+            .to be_json_eql(expected.to_json)
+        end
+      end
+    end
+  end
+
+  describe 'assignee link' do
+    it_behaves_like 'principal link', 'assignee' do
+      let(:assignee) { principal_object }
+    end
+  end
+
+  describe 'responsible link' do
+    it_behaves_like 'principal link', 'responsible' do
+      let(:responsible) { principal_object }
+    end
+  end
+
+  describe 'author link' do
+    it_behaves_like 'principal link', 'author', only_user: true do
+      let(:author) { principal_object }
+    end
+  end
+end
diff --git a/spec/lib/custom_field_form_builder_spec.rb b/spec/lib/custom_field_form_builder_spec.rb
index 5bd764dad1..e2dda4082b 100644
--- a/spec/lib/custom_field_form_builder_spec.rb
+++ b/spec/lib/custom_field_form_builder_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/database_spec.rb b/spec/lib/database_spec.rb
index 19ca9f34b4..0a35649562 100644
--- a/spec/lib/database_spec.rb
+++ b/spec/lib/database_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/access_control/permission_spec.rb b/spec/lib/open_project/access_control/permission_spec.rb
index b73b9f3d63..576b98f795 100644
--- a/spec/lib/open_project/access_control/permission_spec.rb
+++ b/spec/lib/open_project/access_control/permission_spec.rb
@@ -51,25 +51,45 @@ describe OpenProject::AccessControl::Permission do
 
   describe '#global?' do
     describe 'setting global permission' do
-      before { @permission = OpenProject::AccessControl::Permission.new(:perm, { cont: [:action] }, { global: true }) }
+      let(:permission) { described_class.new(:perm, { cont: [:action] }, global: true) }
 
-      it { expect(@permission.global?).to be_truthy }
+      it { expect(permission).to be_global }
     end
 
     describe 'setting non global permission' do
-      before { @permission = OpenProject::AccessControl::Permission.new :perm, { cont: [:action] }, { global: false } }
+      let(:permission) { described_class.new :perm, { cont: [:action] }, global: false }
 
       it 'is false' do
-        expect(@permission.global?).to be_falsey
+        expect(permission).not_to be_global
       end
     end
 
     describe 'not specifying -> default' do
-      before { @permission = OpenProject::AccessControl::Permission.new :perm, { cont: [:action] }, {} }
+      let(:permission) { described_class.new :perm, { cont: [:action] } }
 
       it 'is false' do
-        expect(@permission.global?).to be_falsey
+        expect(permission).not_to be_global
       end
     end
   end
+
+  describe '#grant_to_admin?' do
+    context 'if explicitly specified' do
+      let(:permission) { described_class.new(:perm, {}, grant_to_admin: true) }
+
+      it { expect(permission).to be_grant_to_admin }
+    end
+
+    context 'as a default' do
+      let(:permission) { described_class.new(:perm, {}) }
+
+      it { expect(permission).to be_grant_to_admin }
+    end
+
+    context 'if explicitly specified not to' do
+      let(:permission) { described_class.new(:perm, {}, grant_to_admin: false) }
+
+      it { expect(permission).not_to be_grant_to_admin }
+    end
+  end
 end
diff --git a/spec/lib/open_project/access_control_spec.rb b/spec/lib/open_project/access_control_spec.rb
index 4c52c988e9..db84c62b6b 100644
--- a/spec/lib/open_project/access_control_spec.rb
+++ b/spec/lib/open_project/access_control_spec.rb
@@ -55,12 +55,12 @@ describe OpenProject::AccessControl do
       end
 
       map.project_module :mixed_module do |mod|
-        mod.permission :proj3, { dont: :care }
+        mod.permission :proj3, { dont: :care }, grant_to_admin: true
         mod.permission :global2, { dont: :care }, global: true, contract_actions: { baz: %i[destroy] }
       end
 
       map.project_module :dependent_module, dependencies: :project_module do |mod|
-        mod.permission :proj4, { dont: :care }
+        mod.permission :proj4, { dont: :care }, grant_to_admin: false
       end
     end
   end
@@ -243,9 +243,49 @@ describe OpenProject::AccessControl do
 
     it 'contains all contract actions grouped by the permission' do
       expect(subject.contract_actions_map)
-        .to eql(global2: { actions: { baz: [:destroy] }, global: true, module: :mixed_module },
-                proj0: { actions: { foo: :create }, global: false, module: nil },
-                proj2: { actions: { bar: %i[create read] }, global: false, module: :project_module })
+        .to eql(global2: { actions: { baz: [:destroy] }, global: true, module_name: :mixed_module, grant_to_admin: true },
+                proj0: { actions: { foo: :create }, global: false, module_name: nil, grant_to_admin: true },
+                proj2: { actions: { bar: %i[create read] }, global: false, module_name: :project_module, grant_to_admin: true })
+    end
+  end
+
+  describe '.grant_to_admin?' do
+    before do
+      stash_access_control_permissions
+
+      setup_global_permissions
+    end
+
+    after do
+      restore_access_control_permissions
+    end
+
+    context 'for a granted permission (default)' do
+      it 'is granted' do
+        expect(described_class)
+          .to be_grant_to_admin(:proj0)
+      end
+    end
+
+    context 'for a non granted permission' do
+      it 'is granted' do
+        expect(described_class)
+          .not_to be_grant_to_admin(:proj4)
+      end
+    end
+
+    context 'for an explicitly granted permission' do
+      it 'is granted' do
+        expect(described_class)
+          .to be_grant_to_admin(:proj3)
+      end
+    end
+
+    context 'for a non existing permission' do
+      it 'is granted' do
+        expect(described_class)
+          .to be_grant_to_admin(:not_existing)
+      end
     end
   end
 end
diff --git a/spec/lib/open_project/content_type_detector_spec.rb b/spec/lib/open_project/content_type_detector_spec.rb
index be1549c5e3..e700ce0121 100644
--- a/spec/lib/open_project/content_type_detector_spec.rb
+++ b/spec/lib/open_project/content_type_detector_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/file_command_content_type_detector_spec.rb b/spec/lib/open_project/file_command_content_type_detector_spec.rb
index 7ea67d55b9..65d79b4ea1 100644
--- a/spec/lib/open_project/file_command_content_type_detector_spec.rb
+++ b/spec/lib/open_project/file_command_content_type_detector_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/files_spec.rb b/spec/lib/open_project/files_spec.rb
index 8814f31592..309928998d 100644
--- a/spec/lib/open_project/files_spec.rb
+++ b/spec/lib/open_project/files_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/form_tag_helper_spec.rb b/spec/lib/open_project/form_tag_helper_spec.rb
index fe31a67d09..90d6eb9f99 100644
--- a/spec/lib/open_project/form_tag_helper_spec.rb
+++ b/spec/lib/open_project/form_tag_helper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -42,11 +40,11 @@ describe OpenProject::FormTagHelper, type: :helper do
 
     it_behaves_like 'not wrapped in container', 'form-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <form accept-charset="UTF-8" action="/feedback" class="form"
           method="post"><input name="utf8"
-          type="hidden" value="&#x2713;" /><p>Form content</p></form>
+          type="hidden" value="&#x2713;" autocomplete="off"/><p>Form content</p></form>
       })
     end
   end
@@ -58,7 +56,7 @@ describe OpenProject::FormTagHelper, type: :helper do
 
     it_behaves_like 'wrapped in container', 'select-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <select class="form--select"
           id="field" name="field"><option value="33">FUN</option></select>
@@ -75,7 +73,7 @@ describe OpenProject::FormTagHelper, type: :helper do
 
     it_behaves_like 'wrapped in container', 'text-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--text-field"
           id="field" name="field" type="text" value="Something to be seen" />
@@ -93,7 +91,7 @@ describe OpenProject::FormTagHelper, type: :helper do
 
       it_behaves_like 'not wrapped in container', 'label-container'
 
-      it 'should output element' do
+      it 'outputs element' do
         expect(output).to be_html_eql(%{
           <label class="form--label" for="field" title="Label content">Label content</label>
         })
@@ -107,29 +105,29 @@ describe OpenProject::FormTagHelper, type: :helper do
 
       it_behaves_like 'not wrapped in container', 'label-container'
 
-      it 'should output element' do
+      it 'outputs element' do
         expect(output).to be_html_eql(%{
           <label class="form--label" for="field" title="Label content">Label content</label>
         })
       end
     end
 
-    context 'titles' do
-      it 'should use the title from the options if given' do
+    context 'for titles' do
+      it 'uses the title from the options if given' do
         label = helper.styled_label_tag 'field', 'Lautrec', title: 'Carim'
         expect(label).to be_html_eql(%{
           <label for="field" class="form--label" title="Carim">Lautrec</label>
         })
       end
 
-      it 'should prefer the title given in the options over the content' do
+      it 'prefers the title given in the options over the content' do
         label = helper.styled_label_tag('field', nil, title: 'Carim') { 'Lordvessel' }
         expect(label).to be_html_eql(%{
           <label for="field" class="form--label" title="Carim">Lordvessel</label>
         })
       end
 
-      it 'should strip any given inline HTML from the title tag (with block)' do
+      it 'strips any given inline HTML from the title tag (with block)' do
         label = helper.styled_label_tag('field') do
           helper.content_tag :span, 'Sif'
         end
@@ -138,7 +136,7 @@ describe OpenProject::FormTagHelper, type: :helper do
         })
       end
 
-      it 'should strip any given inline HTML from the title tag (with content arg)' do
+      it 'strips any given inline HTML from the title tag (with content arg)' do
         label = helper.styled_label_tag('field', helper.content_tag(:span, 'Sif'))
         expect(label).to be_html_eql(%{
           <label for="field" class="form--label" title="Sif"><span>Sif</span></label>
@@ -154,7 +152,7 @@ describe OpenProject::FormTagHelper, type: :helper do
 
     it_behaves_like 'wrapped in container', 'file-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--file-field"
           id="file_field" name="file_field" type="file" />
@@ -169,7 +167,7 @@ describe OpenProject::FormTagHelper, type: :helper do
 
     it_behaves_like 'wrapped in container', 'text-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--text-field -password"
           id="password" name="password" type="password" value="nopE3king!" />
@@ -184,7 +182,7 @@ describe OpenProject::FormTagHelper, type: :helper do
 
     it_behaves_like 'wrapped in container', 'text-area-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <textarea class="form--text-area" id="field" name="field">
 Words are important</textarea>
@@ -199,7 +197,7 @@ Words are important</textarea>
 
     it_behaves_like 'wrapped in container', 'check-box-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--check-box"
           id="field" name="field" type="checkbox" value="1" />
@@ -216,7 +214,7 @@ Words are important</textarea>
 
     it_behaves_like 'wrapped in container', 'radio-button-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--radio-button"
           id="field_good_choice" name="field" type="radio" value="good choice" />
@@ -225,16 +223,17 @@ Words are important</textarea>
   end
 
   describe '#styled_submit_tag' do
-    subject(:output) do
+    let(:output) do
       helper.styled_submit_tag('Save it!', options)
     end
+
     subject(:html) do
       Capybara::Node::Simple.new(output)
     end
 
     it_behaves_like 'not wrapped in container', 'submit-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(html).to have_selector('input[type=submit]')
     end
   end
@@ -248,7 +247,7 @@ Words are important</textarea>
 
     it_behaves_like 'not wrapped in container', 'button-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql %{
         <button class="button" name="button" type="submit">Don&#x27;t save!</button>
       }
@@ -264,7 +263,7 @@ Words are important</textarea>
 
     it_behaves_like 'not wrapped in container', 'fieldset-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql %{
         <fieldset
           class="form--fieldset"><legend>Fieldset Legend</legend>
@@ -282,7 +281,7 @@ Words are important</textarea>
 
     it_behaves_like 'wrapped in container', 'search-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--search-field"
           id="field" name="field" type="search" value="Find me" />
@@ -299,7 +298,7 @@ Words are important</textarea>
 
     it_behaves_like 'wrapped in container', 'text-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--text-field -telephone"
           id="field" name="field" type="tel" value="+49 555 111 999" />
@@ -316,7 +315,7 @@ Words are important</textarea>
 
     it_behaves_like 'wrapped in container', 'text-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--text-field -url"
           id="field" name="field" type="url" value="https://blogger.org/" />
@@ -333,7 +332,7 @@ Words are important</textarea>
 
     it_behaves_like 'wrapped in container', 'text-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--text-field -email"
           id="field" name="field" type="email" value="joe@blogger.com" />
@@ -350,7 +349,7 @@ Words are important</textarea>
 
     it_behaves_like 'wrapped in container', 'text-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--text-field -number" id="field" name="field" type="number" value="2" />
       }).at_path('input')
@@ -366,7 +365,7 @@ Words are important</textarea>
 
     it_behaves_like 'wrapped in container', 'range-field-container'
 
-    it 'should output element' do
+    it 'outputs element' do
       expect(output).to be_html_eql(%{
         <input class="form--range-field" id="field" name="field" type="range" value="2" />
       }).at_path('input')
diff --git a/spec/lib/open_project/hook_spec.rb b/spec/lib/open_project/hook_spec.rb
index d33b3a3dbe..ee5a3a9d89 100644
--- a/spec/lib/open_project/hook_spec.rb
+++ b/spec/lib/open_project/hook_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/mime_type_spec.rb b/spec/lib/open_project/mime_type_spec.rb
index 8901c21c69..ba7311aae0 100644
--- a/spec/lib/open_project/mime_type_spec.rb
+++ b/spec/lib/open_project/mime_type_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/object_linking_spec.rb b/spec/lib/open_project/object_linking_spec.rb
index b0668a9062..deb73716fd 100644
--- a/spec/lib/open_project/object_linking_spec.rb
+++ b/spec/lib/open_project/object_linking_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/scm/adapters/git_adapter_spec.rb b/spec/lib/open_project/scm/adapters/git_adapter_spec.rb
index c760f2befe..71b8f361fc 100644
--- a/spec/lib/open_project/scm/adapters/git_adapter_spec.rb
+++ b/spec/lib/open_project/scm/adapters/git_adapter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/scm/adapters/subversion_adapter_spec.rb b/spec/lib/open_project/scm/adapters/subversion_adapter_spec.rb
index b22ffd02a2..9434bfccc0 100644
--- a/spec/lib/open_project/scm/adapters/subversion_adapter_spec.rb
+++ b/spec/lib/open_project/scm/adapters/subversion_adapter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/scm/manager_spec.rb b/spec/lib/open_project/scm/manager_spec.rb
index 62d293fc05..9c382e71d7 100644
--- a/spec/lib/open_project/scm/manager_spec.rb
+++ b/spec/lib/open_project/scm/manager_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/text_formatting/markdown/images_spec.rb b/spec/lib/open_project/text_formatting/markdown/images_spec.rb
index 389806d836..5c70e13ddf 100644
--- a/spec/lib/open_project/text_formatting/markdown/images_spec.rb
+++ b/spec/lib/open_project/text_formatting/markdown/images_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/text_formatting/markdown/markdown_formatting_spec.rb b/spec/lib/open_project/text_formatting/markdown/markdown_formatting_spec.rb
index 851cf6037f..9f4a89f65f 100644
--- a/spec/lib/open_project/text_formatting/markdown/markdown_formatting_spec.rb
+++ b/spec/lib/open_project/text_formatting/markdown/markdown_formatting_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/text_formatting/markdown/pandoc_wrapper_spec.rb b/spec/lib/open_project/text_formatting/markdown/pandoc_wrapper_spec.rb
index 738f078855..403445c8ec 100644
--- a/spec/lib/open_project/text_formatting/markdown/pandoc_wrapper_spec.rb
+++ b/spec/lib/open_project/text_formatting/markdown/pandoc_wrapper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/text_formatting/plain_spec.rb b/spec/lib/open_project/text_formatting/plain_spec.rb
index be35cc8438..ab10a2717c 100644
--- a/spec/lib/open_project/text_formatting/plain_spec.rb
+++ b/spec/lib/open_project/text_formatting/plain_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/open_project/text_formatting/text_formatting_spec.rb b/spec/lib/open_project/text_formatting/text_formatting_spec.rb
index a8fb7a23db..4871cde859 100644
--- a/spec/lib/open_project/text_formatting/text_formatting_spec.rb
+++ b/spec/lib/open_project/text_formatting/text_formatting_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/representable_spec.rb b/spec/lib/representable_spec.rb
index bcdb266946..3cd9f836ae 100644
--- a/spec/lib/representable_spec.rb
+++ b/spec/lib/representable_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/lib/tabular_form_builder_spec.rb b/spec/lib/tabular_form_builder_spec.rb
index fea423467a..1a3fd035b4 100644
--- a/spec/lib/tabular_form_builder_spec.rb
+++ b/spec/lib/tabular_form_builder_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/mailers/digest_mailer_spec.rb b/spec/mailers/digest_mailer_spec.rb
index 86de1bfc00..32d77db332 100644
--- a/spec/mailers/digest_mailer_spec.rb
+++ b/spec/mailers/digest_mailer_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/mailers/member_mailer_spec.rb b/spec/mailers/member_mailer_spec.rb
index 21a5fb27b1..261aaf83a6 100644
--- a/spec/mailers/member_mailer_spec.rb
+++ b/spec/mailers/member_mailer_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/mailers/user_mailer_spec.rb b/spec/mailers/user_mailer_spec.rb
index ca15eeb660..1d9c50830e 100644
--- a/spec/mailers/user_mailer_spec.rb
+++ b/spec/mailers/user_mailer_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/mailers/work_package_mailer_spec.rb b/spec/mailers/work_package_mailer_spec.rb
index c684af8697..144623381a 100644
--- a/spec/mailers/work_package_mailer_spec.rb
+++ b/spec/mailers/work_package_mailer_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/actions/scopes/default_spec.rb b/spec/models/actions/scopes/default_spec.rb
index 1025d81e14..478b53e50f 100644
--- a/spec/models/actions/scopes/default_spec.rb
+++ b/spec/models/actions/scopes/default_spec.rb
@@ -44,7 +44,7 @@ describe Actions::Scopes::Default, type: :model do
       OpenProject::AccessControl
         .contract_actions_map
         .map do |permission, v|
-          v[:actions].map { |vk, vv| vv.map { |vvv| item.call(permission, vk, vvv, v[:global], v[:module]) } }
+          v[:actions].map { |vk, vv| vv.map { |vvv| item.call(permission, vk, vvv, v[:global], v[:module_name]) } }
         end.flatten(2)
     end
 
diff --git a/spec/models/activities/fetcher_integration_spec.rb b/spec/models/activities/fetcher_integration_spec.rb
index 89cf11973b..dee7c857a9 100644
--- a/spec/models/activities/fetcher_integration_spec.rb
+++ b/spec/models/activities/fetcher_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/capabilities/scopes/default_spec.rb b/spec/models/capabilities/scopes/default_spec.rb
index 4917f2a78b..a178ba5f94 100644
--- a/spec/models/capabilities/scopes/default_spec.rb
+++ b/spec/models/capabilities/scopes/default_spec.rb
@@ -28,6 +28,7 @@
 
 require 'spec_helper'
 
+# rubocop:disable RSpec/MultipleMemoizedHelpers
 describe Capabilities::Scopes::Default, type: :model do
   # we focus on the non current user capabilities to make the tests easier to understand
   subject(:scope) { Capability.default.where(principal_id: user.id) }
@@ -143,9 +144,9 @@ describe Capabilities::Scopes::Default, type: :model do
       end
     end
 
-    context 'with a lgobal member with an action permission and the user being locked' do
-      let(:permissions) { %i[manage_members] }
-      let(:members) { [member] }
+    context 'with a global member with an action permission and the user being locked' do
+      let(:permissions) { %i[manage_user] }
+      let(:members) { [global_member] }
       let(:user_status) { Principal.statuses[:locked] }
 
       it_behaves_like 'is empty'
@@ -235,7 +236,8 @@ describe Capabilities::Scopes::Default, type: :model do
 
           OpenProject::AccessControl
             .contract_actions_map
-            .map { |_, v| v[:actions].map { |vk, vv| vv.map { |vvv| item.call(vk, vvv, v[:global], v[:module]) } } }
+            .select { |_, v| v[:grant_to_admin] }
+            .map { |_, v| v[:actions].map { |vk, vv| vv.map { |vvv| item.call(vk, vvv, v[:global], v[:module_name]) } } }
             .flatten(2)
             .compact
         end
@@ -262,7 +264,8 @@ describe Capabilities::Scopes::Default, type: :model do
 
           OpenProject::AccessControl
             .contract_actions_map
-            .map { |_, v| v[:actions].map { |vk, vv| vv.map { |vvv| item.call(vk, vvv, v[:global], v[:module]) } } }
+            .select { |_, v| v[:grant_to_admin] }
+            .map { |_, v| v[:actions].map { |vk, vv| vv.map { |vvv| item.call(vk, vvv, v[:global], v[:module_name]) } } }
             .flatten(2)
             .compact
         end
@@ -305,6 +308,19 @@ describe Capabilities::Scopes::Default, type: :model do
       end
     end
 
+    context 'with a member with an action permission that is not granted to admin' do
+      let(:permissions) { %i[work_package_assigned] }
+      let(:members) { [member] }
+
+      it_behaves_like 'consists of contract actions' do
+        let(:expected) do
+          [
+            ['work_packages/assigned', user.id, project.id]
+          ]
+        end
+      end
+    end
+
     context 'with a member with an action permission and the project being archived' do
       let(:permissions) { %i[manage_members] }
       let(:members) { [member] }
@@ -314,3 +330,4 @@ describe Capabilities::Scopes::Default, type: :model do
     end
   end
 end
+# rubocop:enable RSpec/MultipleMemoizedHelpers
diff --git a/spec/models/enabled_module_spec.rb b/spec/models/enabled_module_spec.rb
index bd5ac0b7ac..26fb4182c6 100644
--- a/spec/models/enabled_module_spec.rb
+++ b/spec/models/enabled_module_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/issue_priority_spec.rb b/spec/models/issue_priority_spec.rb
index a178796623..9e362eadc8 100644
--- a/spec/models/issue_priority_spec.rb
+++ b/spec/models/issue_priority_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/journal_spec.rb b/spec/models/journal_spec.rb
index ea3cf39075..0ea7a013b4 100644
--- a/spec/models/journal_spec.rb
+++ b/spec/models/journal_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/mail_handler_spec.rb b/spec/models/mail_handler_spec.rb
index 18f90855d3..6671e33c4f 100644
--- a/spec/models/mail_handler_spec.rb
+++ b/spec/models/mail_handler_spec.rb
@@ -47,7 +47,7 @@ describe MailHandler, type: :model do
   end
 
   shared_context 'wp_on_given_project' do
-    let(:permissions) { %i[add_work_packages assign_versions] }
+    let(:permissions) { %i[add_work_packages assign_versions work_package_assigned] }
     let!(:user) do
       create(:user,
              mail: 'JSmith@somenet.foo',
@@ -151,7 +151,7 @@ describe MailHandler, type: :model do
   end
 
   shared_context 'with a reply to a wp mention with attributes' do
-    let(:permissions) { %i[add_work_package_notes view_work_packages edit_work_packages] }
+    let(:permissions) { %i[add_work_package_notes view_work_packages edit_work_packages work_package_assigned] }
     let(:role) do
       create(:role, permissions: permissions)
     end
diff --git a/spec/models/members/scopes/not_locked_spec.rb b/spec/models/members/scopes/not_locked_spec.rb
index 722f1efe41..04622c8902 100644
--- a/spec/models/members/scopes/not_locked_spec.rb
+++ b/spec/models/members/scopes/not_locked_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/news_spec.rb b/spec/models/news_spec.rb
index d74872e050..0b7b7d0560 100644
--- a/spec/models/news_spec.rb
+++ b/spec/models/news_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/notification_spec.rb b/spec/models/notification_spec.rb
index 6df385fb6b..5bddb627ce 100644
--- a/spec/models/notification_spec.rb
+++ b/spec/models/notification_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/placeholder_users/scopes/visible_spec.rb b/spec/models/placeholder_users/scopes/visible_spec.rb
index a6dbfa2f33..feea629af6 100644
--- a/spec/models/placeholder_users/scopes/visible_spec.rb
+++ b/spec/models/placeholder_users/scopes/visible_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/principals/scopes/human_spec.rb b/spec/models/principals/scopes/human_spec.rb
index 15ffdbd561..5664e2920c 100644
--- a/spec/models/principals/scopes/human_spec.rb
+++ b/spec/models/principals/scopes/human_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/principals/scopes/like_spec.rb b/spec/models/principals/scopes/like_spec.rb
index 422363edd8..2a1f90b33e 100644
--- a/spec/models/principals/scopes/like_spec.rb
+++ b/spec/models/principals/scopes/like_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/principals/scopes/not_builtin_spec.rb b/spec/models/principals/scopes/not_builtin_spec.rb
index b9dcbf34b0..f1a499ba98 100644
--- a/spec/models/principals/scopes/not_builtin_spec.rb
+++ b/spec/models/principals/scopes/not_builtin_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/principals/scopes/ordered_by_name_spec.rb b/spec/models/principals/scopes/ordered_by_name_spec.rb
index 1247e27ac4..ca286d2c6f 100644
--- a/spec/models/principals/scopes/ordered_by_name_spec.rb
+++ b/spec/models/principals/scopes/ordered_by_name_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/principals/scopes/possible_assignee_spec.rb b/spec/models/principals/scopes/possible_assignee_spec.rb
index 313b66acfb..2f1141c4c3 100644
--- a/spec/models/principals/scopes/possible_assignee_spec.rb
+++ b/spec/models/principals/scopes/possible_assignee_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -34,7 +32,7 @@ describe Principals::Scopes::PossibleAssignee, type: :model do
   let(:project) { create(:project) }
   let(:other_project) { create(:project) }
   let(:role_assignable) { true }
-  let(:role) { create(:role, assignable: role_assignable) }
+  let(:role) { create(:role, permissions: (role_assignable ? [:work_package_assigned] : [])) }
   let(:user_status) { :active }
   let!(:member_user) do
     create(:user,
diff --git a/spec/models/principals/scopes/possible_member_spec.rb b/spec/models/principals/scopes/possible_member_spec.rb
index b6429ea1ab..641e5af46f 100644
--- a/spec/models/principals/scopes/possible_member_spec.rb
+++ b/spec/models/principals/scopes/possible_member_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/principals/scopes/user_spec.rb b/spec/models/principals/scopes/user_spec.rb
index ba9a270cca..532f125bf8 100644
--- a/spec/models/principals/scopes/user_spec.rb
+++ b/spec/models/principals/scopes/user_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/principals/scopes/visible_spec.rb b/spec/models/principals/scopes/visible_spec.rb
index 14aad4c5b9..b233cba4c5 100644
--- a/spec/models/principals/scopes/visible_spec.rb
+++ b/spec/models/principals/scopes/visible_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/projects/allowed_to_scope_spec.rb b/spec/models/projects/allowed_to_scope_spec.rb
index 923efe349c..9d7b17bdf0 100644
--- a/spec/models/projects/allowed_to_scope_spec.rb
+++ b/spec/models/projects/allowed_to_scope_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/projects/exporter/csv_integration_spec.rb b/spec/models/projects/exporter/csv_integration_spec.rb
index 6d9f2dba72..dba68a0d21 100644
--- a/spec/models/projects/exporter/csv_integration_spec.rb
+++ b/spec/models/projects/exporter/csv_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/projects/reorder_nested_set_spec.rb b/spec/models/projects/reorder_nested_set_spec.rb
index e6fc5e12d9..3fae256459 100644
--- a/spec/models/projects/reorder_nested_set_spec.rb
+++ b/spec/models/projects/reorder_nested_set_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/capabilities/filters/principal_id_filter_spec.rb b/spec/models/queries/capabilities/filters/principal_id_filter_spec.rb
index ecf79bedbd..d2c3085354 100644
--- a/spec/models/queries/capabilities/filters/principal_id_filter_spec.rb
+++ b/spec/models/queries/capabilities/filters/principal_id_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/members/filters/blocked_filter_spec.rb b/spec/models/queries/members/filters/blocked_filter_spec.rb
index 47207d658d..6d67955f43 100644
--- a/spec/models/queries/members/filters/blocked_filter_spec.rb
+++ b/spec/models/queries/members/filters/blocked_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/members/filters/created_at_filter_spec.rb b/spec/models/queries/members/filters/created_at_filter_spec.rb
index fb213d16b6..a29660d81b 100644
--- a/spec/models/queries/members/filters/created_at_filter_spec.rb
+++ b/spec/models/queries/members/filters/created_at_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/members/filters/group_filter_spec.rb b/spec/models/queries/members/filters/group_filter_spec.rb
index 6929183423..37f136adec 100644
--- a/spec/models/queries/members/filters/group_filter_spec.rb
+++ b/spec/models/queries/members/filters/group_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/members/filters/name_filter_spec.rb b/spec/models/queries/members/filters/name_filter_spec.rb
index fb76bdd753..e95f77f8ea 100644
--- a/spec/models/queries/members/filters/name_filter_spec.rb
+++ b/spec/models/queries/members/filters/name_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/members/filters/project_filter_spec.rb b/spec/models/queries/members/filters/project_filter_spec.rb
index b7ae617809..c6886af683 100644
--- a/spec/models/queries/members/filters/project_filter_spec.rb
+++ b/spec/models/queries/members/filters/project_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/members/filters/role_filter_spec.rb b/spec/models/queries/members/filters/role_filter_spec.rb
index 101a0acbfa..6e1b6afe16 100644
--- a/spec/models/queries/members/filters/role_filter_spec.rb
+++ b/spec/models/queries/members/filters/role_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/members/filters/status_filter_spec.rb b/spec/models/queries/members/filters/status_filter_spec.rb
index 6345fd9c8a..f917179245 100644
--- a/spec/models/queries/members/filters/status_filter_spec.rb
+++ b/spec/models/queries/members/filters/status_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/members/filters/updated_at_filter_spec.rb b/spec/models/queries/members/filters/updated_at_filter_spec.rb
index 78737d2fdd..49a844b36e 100644
--- a/spec/models/queries/members/filters/updated_at_filter_spec.rb
+++ b/spec/models/queries/members/filters/updated_at_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/news/filters/project_filter_spec.rb b/spec/models/queries/news/filters/project_filter_spec.rb
index 586e4ce6eb..d9832f7b82 100644
--- a/spec/models/queries/news/filters/project_filter_spec.rb
+++ b/spec/models/queries/news/filters/project_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/notifications/filters/id_filter_spec.rb b/spec/models/queries/notifications/filters/id_filter_spec.rb
index 66afd10b77..8350ffa998 100644
--- a/spec/models/queries/notifications/filters/id_filter_spec.rb
+++ b/spec/models/queries/notifications/filters/id_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/active_filter_spec.rb b/spec/models/queries/projects/filters/active_filter_spec.rb
index f27707e30b..73108c98d2 100644
--- a/spec/models/queries/projects/filters/active_filter_spec.rb
+++ b/spec/models/queries/projects/filters/active_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/created_at_filter_spec.rb b/spec/models/queries/projects/filters/created_at_filter_spec.rb
index f977980de7..609cab3f18 100644
--- a/spec/models/queries/projects/filters/created_at_filter_spec.rb
+++ b/spec/models/queries/projects/filters/created_at_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/latest_activity_at_filter_spec.rb b/spec/models/queries/projects/filters/latest_activity_at_filter_spec.rb
index ca17835459..d0a8f6ad4c 100644
--- a/spec/models/queries/projects/filters/latest_activity_at_filter_spec.rb
+++ b/spec/models/queries/projects/filters/latest_activity_at_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/name_and_identifier_filter_spec.rb b/spec/models/queries/projects/filters/name_and_identifier_filter_spec.rb
index 6d9fab6ead..3e15369e7c 100644
--- a/spec/models/queries/projects/filters/name_and_identifier_filter_spec.rb
+++ b/spec/models/queries/projects/filters/name_and_identifier_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/parent_filter_spec.rb b/spec/models/queries/projects/filters/parent_filter_spec.rb
index 256580489e..d8c034da4b 100644
--- a/spec/models/queries/projects/filters/parent_filter_spec.rb
+++ b/spec/models/queries/projects/filters/parent_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/principal_filter_spec.rb b/spec/models/queries/projects/filters/principal_filter_spec.rb
index c742fde555..314d7ab4a6 100644
--- a/spec/models/queries/projects/filters/principal_filter_spec.rb
+++ b/spec/models/queries/projects/filters/principal_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/project_status_filter_spec.rb b/spec/models/queries/projects/filters/project_status_filter_spec.rb
index 5b5fe431ed..17d16bef33 100644
--- a/spec/models/queries/projects/filters/project_status_filter_spec.rb
+++ b/spec/models/queries/projects/filters/project_status_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/public_filter_spec.rb b/spec/models/queries/projects/filters/public_filter_spec.rb
index ebc7d39ce1..79b8d64fdf 100644
--- a/spec/models/queries/projects/filters/public_filter_spec.rb
+++ b/spec/models/queries/projects/filters/public_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/type_filter_spec.rb b/spec/models/queries/projects/filters/type_filter_spec.rb
index 885eab4ab2..0b571f12f1 100644
--- a/spec/models/queries/projects/filters/type_filter_spec.rb
+++ b/spec/models/queries/projects/filters/type_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/filters/user_action_filter_spec.rb b/spec/models/queries/projects/filters/user_action_filter_spec.rb
index 4477741b13..8fa68d3668 100644
--- a/spec/models/queries/projects/filters/user_action_filter_spec.rb
+++ b/spec/models/queries/projects/filters/user_action_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/orders/latest_activity_at_order_spec.rb b/spec/models/queries/projects/orders/latest_activity_at_order_spec.rb
index 5cc426175f..5ef649eee8 100644
--- a/spec/models/queries/projects/orders/latest_activity_at_order_spec.rb
+++ b/spec/models/queries/projects/orders/latest_activity_at_order_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/projects/orders/required_disk_space_order_spec.rb b/spec/models/queries/projects/orders/required_disk_space_order_spec.rb
index 88d63f7af2..7883e11d98 100644
--- a/spec/models/queries/projects/orders/required_disk_space_order_spec.rb
+++ b/spec/models/queries/projects/orders/required_disk_space_order_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/queries/filters/hidden_filter_spec.rb b/spec/models/queries/queries/filters/hidden_filter_spec.rb
index 48a4425e53..7abea71513 100644
--- a/spec/models/queries/queries/filters/hidden_filter_spec.rb
+++ b/spec/models/queries/queries/filters/hidden_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/queries/filters/project_filter_spec.rb b/spec/models/queries/queries/filters/project_filter_spec.rb
index d4ec542b7a..6586493a50 100644
--- a/spec/models/queries/queries/filters/project_filter_spec.rb
+++ b/spec/models/queries/queries/filters/project_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/relations/filters/from_filter_spec.rb b/spec/models/queries/relations/filters/from_filter_spec.rb
index 60ae366e30..9278359250 100644
--- a/spec/models/queries/relations/filters/from_filter_spec.rb
+++ b/spec/models/queries/relations/filters/from_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/relations/filters/involved_filter_spec.rb b/spec/models/queries/relations/filters/involved_filter_spec.rb
index 801aa901a1..a9a3c2eb6a 100644
--- a/spec/models/queries/relations/filters/involved_filter_spec.rb
+++ b/spec/models/queries/relations/filters/involved_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/relations/filters/to_filter_spec.rb b/spec/models/queries/relations/filters/to_filter_spec.rb
index 9c77f19dc3..0f33272b24 100644
--- a/spec/models/queries/relations/filters/to_filter_spec.rb
+++ b/spec/models/queries/relations/filters/to_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/roles/filters/grantable_filter_spec.rb b/spec/models/queries/roles/filters/grantable_filter_spec.rb
index 752dfdeeec..c024537083 100644
--- a/spec/models/queries/roles/filters/grantable_filter_spec.rb
+++ b/spec/models/queries/roles/filters/grantable_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/roles/filters/unit_filter_spec.rb b/spec/models/queries/roles/filters/unit_filter_spec.rb
index 2a7a0492ca..0f3e5be264 100644
--- a/spec/models/queries/roles/filters/unit_filter_spec.rb
+++ b/spec/models/queries/roles/filters/unit_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/users/filters/any_name_attribute_filter_spec.rb b/spec/models/queries/users/filters/any_name_attribute_filter_spec.rb
index 2b7943c8d4..8b0e50143d 100644
--- a/spec/models/queries/users/filters/any_name_attribute_filter_spec.rb
+++ b/spec/models/queries/users/filters/any_name_attribute_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/users/filters/group_filter_spec.rb b/spec/models/queries/users/filters/group_filter_spec.rb
index 35bd9feda3..4adad298cc 100644
--- a/spec/models/queries/users/filters/group_filter_spec.rb
+++ b/spec/models/queries/users/filters/group_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/users/filters/name_filter_spec.rb b/spec/models/queries/users/filters/name_filter_spec.rb
index c663b8b19a..74089a01f0 100644
--- a/spec/models/queries/users/filters/name_filter_spec.rb
+++ b/spec/models/queries/users/filters/name_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/users/filters/status_filter_spec.rb b/spec/models/queries/users/filters/status_filter_spec.rb
index 13ab80b133..bb6f240ce4 100644
--- a/spec/models/queries/users/filters/status_filter_spec.rb
+++ b/spec/models/queries/users/filters/status_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/work_packages/filter/id_filter_spec.rb b/spec/models/queries/work_packages/filter/id_filter_spec.rb
index ec3cb9afb4..33fd91b32e 100644
--- a/spec/models/queries/work_packages/filter/id_filter_spec.rb
+++ b/spec/models/queries/work_packages/filter/id_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/work_packages/filter/manual_sort_filter_spec.rb b/spec/models/queries/work_packages/filter/manual_sort_filter_spec.rb
index c7aa052a5f..5813dde40b 100644
--- a/spec/models/queries/work_packages/filter/manual_sort_filter_spec.rb
+++ b/spec/models/queries/work_packages/filter/manual_sort_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/queries/work_packages/filter/parent_filter_spec.rb b/spec/models/queries/work_packages/filter/parent_filter_spec.rb
index 249fec483e..38233ad761 100644
--- a/spec/models/queries/work_packages/filter/parent_filter_spec.rb
+++ b/spec/models/queries/work_packages/filter/parent_filter_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/relation_spec.rb b/spec/models/relation_spec.rb
index 78306cd469..ac3e5bd425 100644
--- a/spec/models/relation_spec.rb
+++ b/spec/models/relation_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/relations/scopes/visible_spec.rb b/spec/models/relations/scopes/visible_spec.rb
index 81a7b69026..adf0bd2702 100644
--- a/spec/models/relations/scopes/visible_spec.rb
+++ b/spec/models/relations/scopes/visible_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/setting_spec.rb b/spec/models/setting_spec.rb
index b96d4e9398..5d835c9f96 100644
--- a/spec/models/setting_spec.rb
+++ b/spec/models/setting_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/type/attribute_groups_spec.rb b/spec/models/type/attribute_groups_spec.rb
index 189cf3e568..a4950a184a 100644
--- a/spec/models/type/attribute_groups_spec.rb
+++ b/spec/models/type/attribute_groups_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/type_spec.rb b/spec/models/type_spec.rb
index f258f54109..0caab3a34b 100644
--- a/spec/models/type_spec.rb
+++ b/spec/models/type_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/types/scopes/milestone_spec.rb b/spec/models/types/scopes/milestone_spec.rb
index bb6f7ec872..c343c2fd87 100644
--- a/spec/models/types/scopes/milestone_spec.rb
+++ b/spec/models/types/scopes/milestone_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/users/allowed_scope_spec.rb b/spec/models/users/allowed_scope_spec.rb
index 24a9ce072f..f72f077828 100644
--- a/spec/models/users/allowed_scope_spec.rb
+++ b/spec/models/users/allowed_scope_spec.rb
@@ -62,8 +62,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should return the user' do
-      expect(User.allowed(action, project).where(id: user.id)).to match_array [user]
+    it 'returns the user' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to match_array [user]
     end
   end
 
@@ -75,8 +75,24 @@ describe User, 'allowed scope' do
       user.update_attribute(:admin, true)
     end
 
-    it 'should return the user' do
-      expect(User.allowed(action, project).where(id: user.id)).to match_array [user]
+    it 'returns the user' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to match_array [user]
+    end
+  end
+
+  context 'w/ the context being a project
+           w/o the project being public
+           w/o the user being member in the project
+           w/ the user being admin
+           w/ the action not granted to admins' do
+    let(:action) { :work_package_assigned }
+
+    before do
+      user.update_attribute(:admin, true)
+    end
+
+    it 'is empty' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -89,8 +105,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should be empty' do
-      expect(User.allowed(action, project).where(id: user.id)).to be_empty
+    it 'is empty' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -102,8 +118,8 @@ describe User, 'allowed scope' do
       role.add_permission! action
     end
 
-    it 'should return the user' do
-      expect(User.allowed(action, project).where(id: user.id)).to be_empty
+    it 'returns the user' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -119,8 +135,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should be empty' do
-      expect(User.allowed(action, project).where(id: user.id)).to be_empty
+    it 'is empty' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -138,8 +154,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should be empty' do
-      expect(User.allowed(action, project).where(id: user.id)).to be_empty
+    it 'is empty' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -156,8 +172,8 @@ describe User, 'allowed scope' do
       project.save!
     end
 
-    it 'should return the user' do
-      expect(User.allowed(action, project).where(id: user.id)).to match_array [user]
+    it 'returns the user' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to match_array [user]
     end
   end
 
@@ -174,8 +190,8 @@ describe User, 'allowed scope' do
       project.save!
     end
 
-    it 'should return the anonymous user' do
-      expect(User.allowed(action, project).where(id: [user.id, anonymous.id])).to match_array([anonymous])
+    it 'returns the anonymous user' do
+      expect(described_class.allowed(action, project).where(id: [user.id, anonymous.id])).to match_array([anonymous])
     end
   end
 
@@ -192,8 +208,8 @@ describe User, 'allowed scope' do
       project.save!
     end
 
-    it 'should be empty' do
-      expect(User.allowed(action, project).where(id: user.id)).to be_empty
+    it 'is empty' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -208,8 +224,8 @@ describe User, 'allowed scope' do
       project.save!
     end
 
-    it 'should be empty' do
-      expect(User.allowed(action, project).where(id: user.id)).to be_empty
+    it 'is empty' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -229,8 +245,8 @@ describe User, 'allowed scope' do
       non_member.add_permission! action
     end
 
-    it 'should be empty' do
-      expect(User.allowed(action, project).where(id: user.id)).to be_empty
+    it 'is empty' do
+      expect(described_class.allowed(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -243,8 +259,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should return the user' do
-      expect(User.allowed(public_action, project).where(id: user.id)).to match_array [user]
+    it 'returns the user' do
+      expect(described_class.allowed(public_action, project).where(id: user.id)).to match_array [user]
     end
   end
 
@@ -258,8 +274,8 @@ describe User, 'allowed scope' do
       project.save
     end
 
-    it 'should return the user and anonymous' do
-      expect(User.allowed(public_action, project).where(id: [user.id, anonymous.id])).to match_array [user, anonymous]
+    it 'returns the user and anonymous' do
+      expect(described_class.allowed(public_action, project).where(id: [user.id, anonymous.id])).to match_array [user, anonymous]
     end
   end
 
@@ -279,8 +295,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should be empty' do
-      expect(User.allowed(permission.name, project).where(id: user.id)).to eq []
+    it 'is empty' do
+      expect(described_class.allowed(permission.name, project).where(id: user.id)).to eq []
     end
   end
 
@@ -300,8 +316,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should return the user' do
-      expect(User.allowed(permission.name, project).where(id: user.id)).to eq [user]
+    it 'returns the user' do
+      expect(described_class.allowed(permission.name, project).where(id: user.id)).to eq [user]
     end
   end
 
@@ -317,21 +333,8 @@ describe User, 'allowed scope' do
       project.update(active: false)
     end
 
-    it 'should be empty' do
-      expect(User.allowed(action, project)).to eq []
-    end
-  end
-
-  context 'w/ only asking for members
-           w/o the project being public
-           w/o the user being member in the project
-           w/ the user being admin' do
-    before do
-      user.update_attribute(:admin, true)
-    end
-
-    it 'should return the user' do
-      expect(User.allowed_members(action, project).where(id: user.id)).to be_empty
+    it 'is empty' do
+      expect(described_class.allowed(action, project)).to eq []
     end
   end
 
@@ -345,8 +348,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should return the user' do
-      expect(User.allowed_members(action, project).where(id: user.id)).to match_array [user]
+    it 'returns the user' do
+      expect(described_class.allowed_members(action, project).where(id: user.id)).to match_array [user]
     end
   end
 
@@ -358,8 +361,8 @@ describe User, 'allowed scope' do
       user.update_attribute(:admin, true)
     end
 
-    it 'should return the user' do
-      expect(User.allowed_members(action, project).where(id: user.id)).to be_empty
+    it 'returns the user' do
+      expect(described_class.allowed_members(action, project).where(id: user.id)).to be_empty
     end
   end
 
@@ -375,8 +378,8 @@ describe User, 'allowed scope' do
       member.save!
     end
 
-    it 'should return the user' do
-      expect(User.allowed_members(action, project).where(id: user.id)).to match_array [user]
+    it 'returns the user' do
+      expect(described_class.allowed_members(action, project).where(id: user.id)).to match_array [user]
     end
   end
 
@@ -390,8 +393,8 @@ describe User, 'allowed scope' do
       role.add_permission! action
     end
 
-    it 'should return the user' do
-      expect(User.allowed_members(action, project).where(id: user.id)).to be_empty
+    it 'returns the user' do
+      expect(described_class.allowed_members(action, project).where(id: user.id)).to be_empty
     end
   end
 end
diff --git a/spec/models/users/allowed_to_spec.rb b/spec/models/users/allowed_to_spec.rb
index f61f7b4806..04a0e0390a 100644
--- a/spec/models/users/allowed_to_spec.rb
+++ b/spec/models/users/allowed_to_spec.rb
@@ -73,8 +73,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, project)).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, project)
       end
     end
 
@@ -87,8 +87,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -101,8 +101,25 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
+      end
+    end
+
+    context 'w/ the user being admin
+             w/ the permission not automatically granted to admins' do
+      let(:permission) { :work_package_assigned }
+
+      before do
+        user.update(admin: true)
+
+        project.save
+
+        final_setup_step
+      end
+
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -114,8 +131,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -129,8 +146,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, project)).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, project)
       end
     end
 
@@ -148,8 +165,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -168,8 +185,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -187,8 +204,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -205,8 +222,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, project)).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, project)
       end
     end
 
@@ -224,8 +241,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -243,8 +260,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, project)).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, project)
       end
     end
 
@@ -264,8 +281,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -281,8 +298,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(anonymous.allowed_to?(permission, project)).to be_truthy
+      it 'is true' do
+        expect(anonymous).to be_allowed_to(permission, project)
       end
     end
 
@@ -300,8 +317,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(anonymous.allowed_to?(permission, project)).to be_truthy
+      it 'is true' do
+        expect(anonymous).to be_allowed_to(permission, project)
       end
     end
 
@@ -320,9 +337,9 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(anonymous.allowed_to?(permission, project))
-          .to be_truthy
+      it 'is true' do
+        expect(anonymous)
+          .to be_allowed_to(permission, project)
       end
     end
 
@@ -336,8 +353,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(anonymous.allowed_to?(permission, project)).to be_falsey
+      it 'is false' do
+        expect(anonymous).not_to be_allowed_to(permission, project)
       end
     end
 
@@ -353,8 +370,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, [project, project2])).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, [project, project2])
       end
     end
 
@@ -369,8 +386,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, [project, project2])).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, [project, project2])
       end
     end
 
@@ -387,8 +404,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, [project, project2])).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, [project, project2])
       end
     end
 
@@ -405,8 +422,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, [project, project2])).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, [project, project2])
       end
     end
 
@@ -422,7 +439,7 @@ describe User, 'allowed_to?' do
       end
 
       it 'is false' do
-        expect(user.allowed_to?(global_permission.name, project)).to be_falsey
+        expect(user).not_to be_allowed_to(global_permission.name, project)
       end
     end
 
@@ -438,9 +455,9 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?({ controller: 'wiki', action: 'show' }, project))
-          .to be_truthy
+      it 'is true' do
+        expect(user)
+          .to be_allowed_to({ controller: 'wiki', action: 'show' }, project)
       end
     end
 
@@ -456,9 +473,9 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?({ controller: 'projects', action: 'show' }, project))
-          .to be_truthy
+      it 'is true' do
+        expect(user)
+          .to be_allowed_to({ controller: 'projects', action: 'show' }, project)
       end
     end
   end
@@ -475,8 +492,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, nil, global: true)).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, nil, global: true)
       end
     end
 
@@ -488,8 +505,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(user.allowed_to?(permission, nil, global: true)).to be_falsey
+      it 'is false' do
+        expect(user).not_to be_allowed_to(permission, nil, global: true)
       end
     end
 
@@ -503,8 +520,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, nil, global: true)).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, nil, global: true)
       end
     end
 
@@ -521,9 +538,9 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?({ controller: 'wiki', action: 'show' }, nil, global: true))
-          .to be_truthy
+      it 'is true' do
+        expect(user)
+          .to be_allowed_to({ controller: 'wiki', action: 'show' }, nil, global: true)
       end
     end
 
@@ -539,8 +556,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, nil, global: true)).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, nil, global: true)
       end
     end
 
@@ -553,8 +570,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(user.allowed_to?(permission, nil, global: true)).to be_truthy
+      it 'is true' do
+        expect(user).to be_allowed_to(permission, nil, global: true)
       end
     end
 
@@ -568,7 +585,7 @@ describe User, 'allowed_to?' do
       end
 
       it 'is true' do
-        expect(user.allowed_to?(global_permission.name, nil, global: true)).to be_truthy
+        expect(user).to be_allowed_to(global_permission.name, nil, global: true)
       end
     end
 
@@ -583,7 +600,7 @@ describe User, 'allowed_to?' do
       end
 
       it 'is false' do
-        expect(user.allowed_to?(global_permission.name, nil, global: true)).to be_falsey
+        expect(user).not_to be_allowed_to(global_permission.name, nil, global: true)
       end
     end
 
@@ -595,7 +612,7 @@ describe User, 'allowed_to?' do
       end
 
       it 'is false' do
-        expect(user.allowed_to?(global_permission.name, nil, global: true)).to be_falsey
+        expect(user).not_to be_allowed_to(global_permission.name, nil, global: true)
       end
     end
 
@@ -607,8 +624,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
-        expect(anonymous.allowed_to?(permission, nil, global: true)).to be_truthy
+      it 'is true' do
+        expect(anonymous).to be_allowed_to(permission, nil, global: true)
       end
     end
 
@@ -627,7 +644,7 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be true' do
+      it 'is true' do
         expect(user)
           .to be_allowed_to({ controller: '/projects/settings/categories', action: 'show' }, nil, global: true)
       end
@@ -639,8 +656,8 @@ describe User, 'allowed_to?' do
         final_setup_step
       end
 
-      it 'should be false' do
-        expect(anonymous.allowed_to?(permission, nil, global: true)).to be_falsey
+      it 'is false' do
+        expect(anonymous).not_to be_allowed_to(permission, nil, global: true)
       end
     end
   end
diff --git a/spec/models/users/scopes/find_by_login_spec.rb b/spec/models/users/scopes/find_by_login_spec.rb
index 81204eba43..8535eab80b 100644
--- a/spec/models/users/scopes/find_by_login_spec.rb
+++ b/spec/models/users/scopes/find_by_login_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/users/scopes/having_reminder_mail_to_send_spec.rb b/spec/models/users/scopes/having_reminder_mail_to_send_spec.rb
index 978389161e..d972194989 100644
--- a/spec/models/users/scopes/having_reminder_mail_to_send_spec.rb
+++ b/spec/models/users/scopes/having_reminder_mail_to_send_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/users/scopes/newest_spec.rb b/spec/models/users/scopes/newest_spec.rb
index 875f17bd85..cf550433ae 100644
--- a/spec/models/users/scopes/newest_spec.rb
+++ b/spec/models/users/scopes/newest_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/versions/scopes/rolled_up_spec.rb b/spec/models/versions/scopes/rolled_up_spec.rb
index 1a9c427d53..b36faa85a0 100644
--- a/spec/models/versions/scopes/rolled_up_spec.rb
+++ b/spec/models/versions/scopes/rolled_up_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/versions/scopes/shared_with_spec.rb b/spec/models/versions/scopes/shared_with_spec.rb
index 6f06b296ea..17ece1fab3 100644
--- a/spec/models/versions/scopes/shared_with_spec.rb
+++ b/spec/models/versions/scopes/shared_with_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/wiki_redirect_spec.rb b/spec/models/wiki_redirect_spec.rb
index 6aa5683436..7a885afe76 100644
--- a/spec/models/wiki_redirect_spec.rb
+++ b/spec/models/wiki_redirect_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/work_package/exporter/csv_integration_spec.rb b/spec/models/work_package/exporter/csv_integration_spec.rb
index c95b9e1d7e..4055bc28eb 100644
--- a/spec/models/work_package/exporter/csv_integration_spec.rb
+++ b/spec/models/work_package/exporter/csv_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/work_package/openproject_notifications_spec.rb b/spec/models/work_package/openproject_notifications_spec.rb
index 667964be94..e9caaea35e 100644
--- a/spec/models/work_package/openproject_notifications_spec.rb
+++ b/spec/models/work_package/openproject_notifications_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/models/work_package/work_package_custom_actions_spec.rb b/spec/models/work_package/work_package_custom_actions_spec.rb
index eb8cd4b671..89bb57564c 100644
--- a/spec/models/work_package/work_package_custom_actions_spec.rb
+++ b/spec/models/work_package/work_package_custom_actions_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/requests/api/v3/action_resource_spec.rb b/spec/requests/api/v3/action_resource_spec.rb
index 6c444e0786..ce252247bb 100644
--- a/spec/requests/api/v3/action_resource_spec.rb
+++ b/spec/requests/api/v3/action_resource_spec.rb
@@ -46,18 +46,9 @@ describe 'API v3 action resource', type: :request, content_type: :json do
       get path
     end
 
-    it 'returns a collection of actions' do
-      expect(subject.body)
-        .to be_json_eql(Action.count.to_json)
-        .at_path('total')
-
-      expect(subject.body)
-        .to be_json_eql(Action.order(id: :asc).first.id.to_json)
-        .at_path('_embedded/elements/0/id')
-
-      expect(subject.body)
-        .to be_json_eql(Action.order(id: :asc).first.id.to_json)
-        .at_path("_embedded/elements/0/id")
+    # 20 because this is the standard pagination size
+    it_behaves_like 'API V3 collection response', Action.count, 20, 'Action' do
+      let(:elements) { Action.order(id: :asc).limit(20).to_a }
     end
   end
 
@@ -70,7 +61,7 @@ describe 'API v3 action resource', type: :request, content_type: :json do
 
     it 'returns 200 OK' do
       expect(subject.status)
-        .to eql(200)
+        .to be(200)
     end
 
     it 'returns the action' do
@@ -88,7 +79,7 @@ describe 'API v3 action resource', type: :request, content_type: :json do
 
       it 'returns 200 OK' do
         expect(subject.status)
-          .to eql(200)
+          .to be(200)
       end
 
       it 'returns the action' do
@@ -105,19 +96,13 @@ describe 'API v3 action resource', type: :request, content_type: :json do
     context 'if querying a non existing action' do
       let(:path) { api_v3_paths.action("foo/bar") }
 
-      it 'returns 404 NOT FOUND' do
-        expect(subject.status)
-          .to be 404
-      end
+      it_behaves_like 'not found'
     end
 
     context 'if querying with malformed id' do
       let(:path) { api_v3_paths.action("foobar") }
 
-      it 'returns 404 NOT FOUND' do
-        expect(subject.status)
-          .to be 404
-      end
+      it_behaves_like 'not found'
     end
   end
 end
diff --git a/spec/requests/api/v3/capability_resource_spec.rb b/spec/requests/api/v3/capability_resource_spec.rb
index dc960051d2..0fde0b1794 100644
--- a/spec/requests/api/v3/capability_resource_spec.rb
+++ b/spec/requests/api/v3/capability_resource_spec.rb
@@ -131,7 +131,14 @@ describe 'API v3 capabilities resource', type: :request, content_type: :json do
           'values' => [other_user.id.to_s]
         } }]
       end
-      let(:path) { "#{api_v3_paths.path_for(:capabilities, filters: filters, sort_by: [%i(id asc)])}&pageSize=2&offset=2" }
+      let(:path) do
+        api_v3_paths.path_for(:capabilities,
+                              filters: filters,
+                              sort_by: [%i(id asc)],
+                              select: '*,elements/*',
+                              page_size: 2,
+                              offset: 2)
+      end
 
       it 'returns a slice of the visible memberships' do
         expect(subject.body)
@@ -244,7 +251,7 @@ describe 'API v3 capabilities resource', type: :request, content_type: :json do
       end
     end
 
-    context 'invalid filter' do
+    context 'with an invalid filter' do
       let(:filters) do
         [{ 'bogus' => {
           'operator' => '=',
@@ -320,6 +327,39 @@ describe 'API v3 capabilities resource', type: :request, content_type: :json do
       end
     end
 
+    context 'when signaling to only include a subset of properties' do
+      let(:current_user_permissions) { %i[manage_members] }
+      let(:path) { api_v3_paths.path_for(:capabilities, filters: filters, sort_by: [%i(id asc)], select: 'elements/id') }
+
+      let(:filters) do
+        [{ 'principalId' => {
+          'operator' => '=',
+          'values' => [current_user.id.to_s]
+        } }]
+      end
+
+      it 'contains only the filtered capabilities in the response' do
+        expected = {
+          _embedded: {
+            elements: [
+              {
+                id: "memberships/create/p#{project.id}-#{current_user.id}"
+              },
+              {
+                id: "memberships/destroy/p#{project.id}-#{current_user.id}"
+              },
+              {
+                id: "memberships/update/p#{project.id}-#{current_user.id}"
+              }
+            ]
+          }
+        }
+
+        expect(subject.body)
+          .to be_json_eql(expected.to_json)
+      end
+    end
+
     context 'without permissions' do
       current_user do
         create(:user)
@@ -382,7 +422,7 @@ describe 'API v3 capabilities resource', type: :request, content_type: :json do
 
     it 'returns 200 OK' do
       expect(subject.status)
-        .to eql(200)
+        .to be(200)
     end
 
     it 'returns the capability' do
diff --git a/spec/requests/api/v3/groups/group_resource_spec.rb b/spec/requests/api/v3/groups/group_resource_spec.rb
index 05dffe17b7..d5dde82a0b 100644
--- a/spec/requests/api/v3/groups/group_resource_spec.rb
+++ b/spec/requests/api/v3/groups/group_resource_spec.rb
@@ -406,32 +406,53 @@ describe 'API v3 Group resource', type: :request, content_type: :json do
       get get_path
     end
 
-    context 'having the necessary permission' do
-      it 'responds with 200 OK' do
-        expect(subject.status)
-          .to eq(200)
-      end
-
-      it 'responds with a collection of groups' do
-        expect(subject.body)
-          .to be_json_eql('Collection'.to_json)
-          .at_path('_type')
+    it_behaves_like 'API V3 collection response', 2, 2, 'Group' do
+      let(:elements) { [other_group, group] }
+    end
 
-        expect(subject.body)
-          .to be_json_eql('2')
-          .at_path('total')
+    context 'when signaling' do
+      let(:get_path) { api_v3_paths.path_for :groups, select: 'total,count,elements/*' }
 
-        expect(subject.body)
-          .to be_json_eql(other_group.id.to_json)
-          .at_path('_embedded/elements/0/id')
+      let(:expected) do
+        {
+          total: 2,
+          count: 2,
+          _embedded: {
+            elements: [
+              {
+                _type: 'Group',
+                id: other_group.id,
+                name: other_group.name,
+                _links: {
+                  self: {
+                    href: api_v3_paths.group(other_group.id),
+                    title: other_group.name
+                  }
+                }
+              },
+              {
+                _type: 'Group',
+                id: group.id,
+                name: group.name,
+                _links: {
+                  self: {
+                    href: api_v3_paths.group(group.id),
+                    title: group.name
+                  }
+                }
+              }
+            ]
+          }
+        }
+      end
 
-        expect(subject.body)
-          .to be_json_eql(group.id.to_json)
-          .at_path('_embedded/elements/1/id')
+      it 'is the reduced set of properties of the embedded elements' do
+        expect(last_response.body)
+          .to be_json_eql(expected.to_json)
       end
     end
 
-    context 'not having the necessary permission' do
+    context 'when not having the necessary permission' do
       let(:permissions) { [] }
 
       it_behaves_like 'unauthorized access'
diff --git a/spec/requests/api/v3/memberships/create_form_resource_spec.rb b/spec/requests/api/v3/memberships/create_form_resource_spec.rb
index d198d0ed73..e869983b6d 100644
--- a/spec/requests/api/v3/memberships/create_form_resource_spec.rb
+++ b/spec/requests/api/v3/memberships/create_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/memberships/update_form_resource_spec.rb b/spec/requests/api/v3/memberships/update_form_resource_spec.rb
index edb358066a..ff60870585 100644
--- a/spec/requests/api/v3/memberships/update_form_resource_spec.rb
+++ b/spec/requests/api/v3/memberships/update_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/notifications/bulk_read_ian_resource_spec.rb b/spec/requests/api/v3/notifications/bulk_read_ian_resource_spec.rb
index ea6761dedd..22630ce5e2 100644
--- a/spec/requests/api/v3/notifications/bulk_read_ian_resource_spec.rb
+++ b/spec/requests/api/v3/notifications/bulk_read_ian_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/notifications/bulk_unread_ian_resource_spec.rb b/spec/requests/api/v3/notifications/bulk_unread_ian_resource_spec.rb
index cd161c557d..7516e1a347 100644
--- a/spec/requests/api/v3/notifications/bulk_unread_ian_resource_spec.rb
+++ b/spec/requests/api/v3/notifications/bulk_unread_ian_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/notifications/index_resource_spec.rb b/spec/requests/api/v3/notifications/index_resource_spec.rb
index bfe0cdf248..3282d45258 100644
--- a/spec/requests/api/v3/notifications/index_resource_spec.rb
+++ b/spec/requests/api/v3/notifications/index_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/notifications/read_ian_resource_spec.rb b/spec/requests/api/v3/notifications/read_ian_resource_spec.rb
index ba59e33c80..337788c66e 100644
--- a/spec/requests/api/v3/notifications/read_ian_resource_spec.rb
+++ b/spec/requests/api/v3/notifications/read_ian_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/notifications/show_resource_examples.rb b/spec/requests/api/v3/notifications/show_resource_examples.rb
index ef687610e1..8d57b43fcd 100644
--- a/spec/requests/api/v3/notifications/show_resource_examples.rb
+++ b/spec/requests/api/v3/notifications/show_resource_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/notifications/show_resource_spec.rb b/spec/requests/api/v3/notifications/show_resource_spec.rb
index 53ae0e1268..0ae140e62a 100644
--- a/spec/requests/api/v3/notifications/show_resource_spec.rb
+++ b/spec/requests/api/v3/notifications/show_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/placeholder_users/create_resource_spec.rb b/spec/requests/api/v3/placeholder_users/create_resource_spec.rb
index 973014c214..f95d4acaa6 100644
--- a/spec/requests/api/v3/placeholder_users/create_resource_spec.rb
+++ b/spec/requests/api/v3/placeholder_users/create_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/placeholder_users/create_shared_examples.rb b/spec/requests/api/v3/placeholder_users/create_shared_examples.rb
index 4af91bfded..76172e347f 100644
--- a/spec/requests/api/v3/placeholder_users/create_shared_examples.rb
+++ b/spec/requests/api/v3/placeholder_users/create_shared_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/placeholder_users/delete_resource_examples.rb b/spec/requests/api/v3/placeholder_users/delete_resource_examples.rb
index 6908bd6063..25f67fb438 100644
--- a/spec/requests/api/v3/placeholder_users/delete_resource_examples.rb
+++ b/spec/requests/api/v3/placeholder_users/delete_resource_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/placeholder_users/delete_resource_spec.rb b/spec/requests/api/v3/placeholder_users/delete_resource_spec.rb
index fb0208b6c1..58dea49073 100644
--- a/spec/requests/api/v3/placeholder_users/delete_resource_spec.rb
+++ b/spec/requests/api/v3/placeholder_users/delete_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/placeholder_users/index_resource_spec.rb b/spec/requests/api/v3/placeholder_users/index_resource_spec.rb
index c5a890432f..3e50a87b32 100644
--- a/spec/requests/api/v3/placeholder_users/index_resource_spec.rb
+++ b/spec/requests/api/v3/placeholder_users/index_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
@@ -32,6 +30,7 @@ require 'rack/test'
 
 describe ::API::V3::PlaceholderUsers::PlaceholderUsersAPI,
          'index',
+         content_type: :json,
          type: :request do
 
   include API::V3::Utilities::PathHelper
@@ -40,7 +39,6 @@ describe ::API::V3::PlaceholderUsers::PlaceholderUsersAPI,
   shared_let(:placeholder2) { create :placeholder_user, name: 'bar' }
 
   let(:send_request) do
-    header "Content-Type", "application/json"
     get api_v3_paths.placeholder_users
   end
 
@@ -52,26 +50,71 @@ describe ::API::V3::PlaceholderUsers::PlaceholderUsersAPI,
     send_request
   end
 
-  describe 'admin user' do
+  context 'for an admin user' do
     let(:user) { build(:admin) }
 
     it_behaves_like 'API V3 collection response', 2, 2, 'PlaceholderUser'
   end
 
-  describe 'user with manage_placeholder_user permission' do
+  context 'when signaling for the desired properties' do
+    let(:user) { build(:admin) }
+    let(:send_request) do
+      get api_v3_paths.path_for :placeholder_users, select: 'total,count,elements/*'
+    end
+
+    let(:expected) do
+      {
+        total: 2,
+        count: 2,
+        _embedded: {
+          elements: [
+            {
+              _type: 'PlaceholderUser',
+              id: placeholder2.id,
+              name: placeholder2.name,
+              _links: {
+                self: {
+                  href: api_v3_paths.placeholder_user(placeholder2.id),
+                  title: placeholder2.name
+                }
+              }
+            },
+            {
+              _type: 'PlaceholderUser',
+              id: placeholder1.id,
+              name: placeholder1.name,
+              _links: {
+                self: {
+                  href: api_v3_paths.placeholder_user(placeholder1.id),
+                  title: placeholder1.name
+                }
+              }
+            }
+          ]
+        }
+      }
+    end
+
+    it 'is the reduced set of properties of the embedded elements' do
+      expect(last_response.body)
+        .to be_json_eql(expected.to_json)
+    end
+  end
+
+  context 'for a user with manage_placeholder_user permission' do
     let(:user) { create(:user, global_permission: %i[manage_placeholder_user]) }
 
     it_behaves_like 'API V3 collection response', 2, 2, 'PlaceholderUser'
   end
 
-  describe 'user with manage_members permission' do
+  context 'for a user with manage_members permission' do
     let(:project) { create(:project) }
     let(:user) { create(:user, member_in_project: project, member_with_permissions: %i[manage_members]) }
 
     it_behaves_like 'API V3 collection response', 2, 2, 'PlaceholderUser'
   end
 
-  describe 'unauthorized user' do
+  context 'for an unauthorized user' do
     let(:user) { build(:user) }
 
     it_behaves_like 'API V3 collection response', 0, 0, 'PlaceholderUser'
diff --git a/spec/requests/api/v3/placeholder_users/show_resource_examples.rb b/spec/requests/api/v3/placeholder_users/show_resource_examples.rb
index ad4d78aca5..cce708e6eb 100644
--- a/spec/requests/api/v3/placeholder_users/show_resource_examples.rb
+++ b/spec/requests/api/v3/placeholder_users/show_resource_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/placeholder_users/show_resource_spec.rb b/spec/requests/api/v3/placeholder_users/show_resource_spec.rb
index c73cb9128e..e59b4e69b5 100644
--- a/spec/requests/api/v3/placeholder_users/show_resource_spec.rb
+++ b/spec/requests/api/v3/placeholder_users/show_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/placeholder_users/update_resource_examples.rb b/spec/requests/api/v3/placeholder_users/update_resource_examples.rb
index 1cf24c01eb..ae6e0fc030 100644
--- a/spec/requests/api/v3/placeholder_users/update_resource_examples.rb
+++ b/spec/requests/api/v3/placeholder_users/update_resource_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/placeholder_users/update_resource_spec.rb b/spec/requests/api/v3/placeholder_users/update_resource_spec.rb
index 4d6e989ea8..3e322300d6 100644
--- a/spec/requests/api/v3/placeholder_users/update_resource_spec.rb
+++ b/spec/requests/api/v3/placeholder_users/update_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/principals/principals_resource_spec.rb b/spec/requests/api/v3/principals/principals_resource_spec.rb
index ca7ba5308a..276d1b8865 100644
--- a/spec/requests/api/v3/principals/principals_resource_spec.rb
+++ b/spec/requests/api/v3/principals/principals_resource_spec.rb
@@ -37,10 +37,11 @@ describe 'API v3 Principals resource', type: :request do
     subject(:response) { last_response }
 
     let(:path) do
-      api_v3_paths.path_for :principals, filters: filter, sort_by: order
+      api_v3_paths.path_for :principals, filters: filter, sort_by: order, select: select
     end
     let(:order) { { name: :desc } }
     let(:filter) { nil }
+    let(:select) { nil }
     let(:project) { create(:project) }
     let(:other_project) { create(:project) }
     let(:non_member_project) { create(:project) }
@@ -166,5 +167,71 @@ describe 'API v3 Principals resource', type: :request do
         let(:elements) { [current_user] }
       end
     end
+
+    context 'when signaling' do
+      let(:select) { 'total,count,elements/*' }
+
+      let(:expected) do
+        {
+          total: 4,
+          count: 4,
+          _embedded: {
+            elements: [
+              {
+                _type: 'PlaceholderUser',
+                id: placeholder_user.id,
+                name: placeholder_user.name,
+                _links: {
+                  self: {
+                    href: api_v3_paths.placeholder_user(placeholder_user.id),
+                    title: placeholder_user.name
+                  }
+                }
+              },
+              {
+                _type: 'Group',
+                id: group.id,
+                name: group.name,
+                _links: {
+                  self: {
+                    href: api_v3_paths.group(group.id),
+                    title: group.name
+                  }
+                }
+              },
+              {
+                _type: "User",
+                id: other_user.id,
+                name: other_user.name,
+                _links: {
+                  self: {
+                    href: api_v3_paths.user(other_user.id),
+                    title: other_user.name
+                  }
+                }
+              },
+              {
+                _type: "User",
+                id: user.id,
+                name: user.name,
+                firstname: user.firstname,
+                lastname: user.lastname,
+                _links: {
+                  self: {
+                    href: api_v3_paths.user(user.id),
+                    title: user.name
+                  }
+                }
+              }
+            ]
+          }
+        }
+      end
+
+      it 'is the reduced set of properties of the embedded elements' do
+        expect(last_response.body)
+          .to be_json_eql(expected.to_json)
+      end
+    end
   end
 end
diff --git a/spec/requests/api/v3/projects/copy/copy_form_resource_spec.rb b/spec/requests/api/v3/projects/copy/copy_form_resource_spec.rb
index 24f9eba285..2de9dad7ac 100644
--- a/spec/requests/api/v3/projects/copy/copy_form_resource_spec.rb
+++ b/spec/requests/api/v3/projects/copy/copy_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/projects/copy/copy_resource_spec.rb b/spec/requests/api/v3/projects/copy/copy_resource_spec.rb
index f7bc74b87c..eb6cdc54d7 100644
--- a/spec/requests/api/v3/projects/copy/copy_resource_spec.rb
+++ b/spec/requests/api/v3/projects/copy/copy_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/projects/create_form_resource_spec.rb b/spec/requests/api/v3/projects/create_form_resource_spec.rb
index ade49d65f9..707a9980ea 100644
--- a/spec/requests/api/v3/projects/create_form_resource_spec.rb
+++ b/spec/requests/api/v3/projects/create_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/projects/index_resource_spec.rb b/spec/requests/api/v3/projects/index_resource_spec.rb
index 67931a8996..e615d5446a 100644
--- a/spec/requests/api/v3/projects/index_resource_spec.rb
+++ b/spec/requests/api/v3/projects/index_resource_spec.rb
@@ -42,6 +42,12 @@ describe 'API v3 Project resource index', type: :request, content_type: :json do
   let(:other_project) do
     create(:project, public: false)
   end
+  let(:parent_project) do
+    create(:project, public: false, members: { current_user => role }).tap do |parent|
+      project.parent = parent
+      project.save
+    end
+  end
   let(:role) { create(:role) }
   let(:filters) { [] }
   let(:get_path) do
@@ -58,11 +64,6 @@ describe 'API v3 Project resource index', type: :request, content_type: :json do
     get get_path
   end
 
-  it 'succeeds' do
-    expect(response.status)
-      .to be(200)
-  end
-
   it_behaves_like 'API V3 collection response', 1, 1, 'Project'
 
   context 'with a pageSize and offset' do
@@ -88,14 +89,6 @@ describe 'API v3 Project resource index', type: :request, content_type: :json do
   context 'when filtering for project by ancestor' do
     let(:projects) { [project, other_project, parent_project] }
 
-    let(:parent_project) do
-      parent_project = create(:project, public: false, members: { current_user => role })
-
-      project.update_attribute(:parent_id, parent_project.id)
-
-      parent_project
-    end
-
     let(:filters) do
       [{ ancestor: { operator: '=', values: [parent_project.id.to_s] } }]
     end
@@ -231,4 +224,43 @@ describe 'API v3 Project resource index', type: :request, content_type: :json do
       end
     end
   end
+
+  context 'when signaling the properties to include' do
+    let(:projects) { [project, parent_project] }
+    let(:select) { 'elements/id,elements/name,elements/ancestors,total' }
+    let(:get_path) do
+      api_v3_paths.path_for :projects, select: select
+    end
+    let(:expected) do
+      {
+        total: 2,
+        _embedded: {
+          elements: [
+            {
+              id: parent_project.id,
+              name: parent_project.name,
+              _links: {
+                ancestors: []
+              }
+            },
+            {
+              id: project.id,
+              name: project.name,
+              _links: {
+                ancestors: [
+                  href: api_v3_paths.project(parent_project.id),
+                  title: parent_project.name
+                ]
+              }
+            }
+          ]
+        }
+      }
+    end
+
+    it 'is the reduced set of properties of the embedded elements' do
+      expect(last_response.body)
+        .to be_json_eql(expected.to_json)
+    end
+  end
 end
diff --git a/spec/requests/api/v3/projects/update_form_resource_spec.rb b/spec/requests/api/v3/projects/update_form_resource_spec.rb
index 7180830872..ffb612a5b7 100644
--- a/spec/requests/api/v3/projects/update_form_resource_spec.rb
+++ b/spec/requests/api/v3/projects/update_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/queries/create_form_api_spec.rb b/spec/requests/api/v3/queries/create_form_api_spec.rb
index e7e126606f..f4a231bdb1 100644
--- a/spec/requests/api/v3/queries/create_form_api_spec.rb
+++ b/spec/requests/api/v3/queries/create_form_api_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/queries/order/query_order_api_spec.rb b/spec/requests/api/v3/queries/order/query_order_api_spec.rb
index acbf4b2a06..b809f2f78a 100644
--- a/spec/requests/api/v3/queries/order/query_order_api_spec.rb
+++ b/spec/requests/api/v3/queries/order/query_order_api_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/queries/update_form_api_spec.rb b/spec/requests/api/v3/queries/update_form_api_spec.rb
index 54e58f5955..c4942089f3 100644
--- a/spec/requests/api/v3/queries/update_form_api_spec.rb
+++ b/spec/requests/api/v3/queries/update_form_api_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/user/create_form_resource_spec.rb b/spec/requests/api/v3/user/create_form_resource_spec.rb
index 44886474c9..7d2ee6a1f8 100644
--- a/spec/requests/api/v3/user/create_form_resource_spec.rb
+++ b/spec/requests/api/v3/user/create_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/user/create_user_common_examples.rb b/spec/requests/api/v3/user/create_user_common_examples.rb
index b6b1abaa57..625e0c5c78 100644
--- a/spec/requests/api/v3/user/create_user_common_examples.rb
+++ b/spec/requests/api/v3/user/create_user_common_examples.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/user/create_user_resource_spec.rb b/spec/requests/api/v3/user/create_user_resource_spec.rb
index 9c548c6128..9e7570164c 100644
--- a/spec/requests/api/v3/user/create_user_resource_spec.rb
+++ b/spec/requests/api/v3/user/create_user_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/user/filters_spec.rb b/spec/requests/api/v3/user/filters_spec.rb
index f3722cdeff..59379bfe6a 100644
--- a/spec/requests/api/v3/user/filters_spec.rb
+++ b/spec/requests/api/v3/user/filters_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/user/update_form_resource_spec.rb b/spec/requests/api/v3/user/update_form_resource_spec.rb
index 6be5439719..783d1a0fa5 100644
--- a/spec/requests/api/v3/user/update_form_resource_spec.rb
+++ b/spec/requests/api/v3/user/update_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/user/update_user_resource_spec.rb b/spec/requests/api/v3/user/update_user_resource_spec.rb
index ac321a31c9..fae7127698 100644
--- a/spec/requests/api/v3/user/update_user_resource_spec.rb
+++ b/spec/requests/api/v3/user/update_user_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/user/user_resource_spec.rb b/spec/requests/api/v3/user/user_resource_spec.rb
index e27b493dc3..c9128db651 100644
--- a/spec/requests/api/v3/user/user_resource_spec.rb
+++ b/spec/requests/api/v3/user/user_resource_spec.rb
@@ -58,7 +58,7 @@ describe 'API v3 User resource',
     end
 
     shared_examples 'flow with permitted user' do
-      it 'should respond with 200' do
+      it 'responds with 200' do
         expect(subject.status).to eq(200)
       end
 
@@ -78,12 +78,13 @@ describe 'API v3 User resource',
 
       it 'has the users index path for link self href' do
         expect(subject.body)
-          .to be_json_eql((api_v3_paths.users + '?offset=1&pageSize=30').to_json)
+          .to be_json_eql("#{api_v3_paths.users}?filters=%5B%5D" \
+                          "\u0026offset=1\u0026pageSize=20\u0026sortBy=%5B%5B%22id%22%2C%22asc%22%5D%5D".to_json)
           .at_path('_links/self/href')
       end
 
       context 'if pageSize = 1 and offset = 2' do
-        let(:get_path) { api_v3_paths.users + '?pageSize=1&offset=2' }
+        let(:get_path) { api_v3_paths.path_for(:users, page_size: 1, offset: 2) }
 
         it 'contains the current user in the response' do
           expect(subject.body)
@@ -92,7 +93,7 @@ describe 'API v3 User resource',
         end
       end
 
-      context 'on filtering for name' do
+      context 'when filtering by name' do
         let(:get_path) do
           filter = [{ 'name' => {
             'operator' => '~',
@@ -115,13 +116,13 @@ describe 'API v3 User resource',
         end
       end
 
-      context 'on sorting' do
+      context 'when sorting' do
         let(:users_by_name_order) do
           User.human.ordered_by_name(desc: true)
         end
 
         let(:get_path) do
-          sort = [['name', 'desc']]
+          sort = [%w[name desc]]
 
           "#{api_v3_paths.users}?#{{ sortBy: sort.to_json }.to_query}"
         end
@@ -139,7 +140,7 @@ describe 'API v3 User resource',
         end
       end
 
-      context 'on an invalid filter' do
+      context 'with an invalid filter' do
         let(:get_path) do
           filter = [{ 'name' => {
             'operator' => 'a',
@@ -150,30 +151,57 @@ describe 'API v3 User resource',
         end
 
         it 'returns an error' do
-          expect(subject.status).to eql(400)
+          expect(subject.status).to be(400)
+        end
+      end
+
+      context 'when signaling desired properties' do
+        let(:get_path) do
+          api_v3_paths.path_for :users,
+                                sort_by: [%w[name desc]],
+                                page_size: 1,
+                                select: 'total,elements/name'
+        end
+
+        let(:expected) do
+          {
+            total: 2,
+            _embedded: {
+              elements: [
+                {
+                  name: current_user.name
+                }
+              ]
+            }
+          }
+        end
+
+        it 'returns an error' do
+          expect(subject.body)
+            .to be_json_eql(expected.to_json)
         end
       end
     end
 
-    context 'admin' do
+    context 'for an admin' do
       let(:current_user) { admin }
 
       it_behaves_like 'flow with permitted user'
     end
 
-    context 'user with global manage_user permission' do
+    context 'for a user with global manage_user permission' do
       let(:current_user) { user_with_global_manage_user }
 
       it_behaves_like 'flow with permitted user'
     end
 
-    context 'locked admin' do
+    context 'for a locked admin' do
       let(:current_user) { locked_admin }
 
       it_behaves_like 'unauthorized access'
     end
 
-    context 'other user' do
+    context 'for another user' do
       it_behaves_like 'unauthorized access'
     end
   end
diff --git a/spec/requests/api/v3/versions/create_form_resource_spec.rb b/spec/requests/api/v3/versions/create_form_resource_spec.rb
index 7cdb3c06a3..c9fbcbe14a 100644
--- a/spec/requests/api/v3/versions/create_form_resource_spec.rb
+++ b/spec/requests/api/v3/versions/create_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/versions/update_form_resource_spec.rb b/spec/requests/api/v3/versions/update_form_resource_spec.rb
index a08db3fe7d..9f2bdbf73b 100644
--- a/spec/requests/api/v3/versions/update_form_resource_spec.rb
+++ b/spec/requests/api/v3/versions/update_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/views/show_resource_spec.rb b/spec/requests/api/v3/views/show_resource_spec.rb
index 021fce7555..bb7235cfa8 100644
--- a/spec/requests/api/v3/views/show_resource_spec.rb
+++ b/spec/requests/api/v3/views/show_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/work_packages/available_projects_on_create_api_spec.rb b/spec/requests/api/v3/work_packages/available_projects_on_create_api_spec.rb
index de1e6307f8..1e244f779d 100644
--- a/spec/requests/api/v3/work_packages/available_projects_on_create_api_spec.rb
+++ b/spec/requests/api/v3/work_packages/available_projects_on_create_api_spec.rb
@@ -36,19 +36,20 @@ describe API::V3::WorkPackages::AvailableProjectsOnCreateAPI, type: :request do
     create(:role, permissions: [:add_work_packages])
   end
   let(:project) { create(:project) }
-  let(:user) do
+  let(:type_id) { nil }
+
+  current_user do
     create(:user,
            member_in_project: project,
            member_through_role: add_role)
   end
-  let(:type_id) { nil }
 
   context 'with a type filter present' do
     let(:type) { create :type }
     let(:type_id) { type.id }
     let(:project_with_type) { create :project, types: [type] }
     let(:member) do
-      create(:member, principal: user, project: project_with_type, roles: [add_role])
+      create(:member, principal: current_user, project: project_with_type, roles: [add_role])
     end
 
     before do
@@ -56,13 +57,11 @@ describe API::V3::WorkPackages::AvailableProjectsOnCreateAPI, type: :request do
       project_with_type
       member
 
-      allow(User).to receive(:current).and_return(user)
       get api_v3_paths.available_projects_on_create(type_id)
     end
 
-    it 'returns only the filtered one' do
-      expect(last_response.body).to be_json_eql(1).at_path('total')
-      expect(last_response.body).to be_json_eql(project_with_type.id).at_path('_embedded/elements/0/id')
+    it_behaves_like 'API V3 collection response', 1, 1, 'Project' do
+      let(:elements) { [project_with_type] }
     end
   end
 
@@ -70,24 +69,21 @@ describe API::V3::WorkPackages::AvailableProjectsOnCreateAPI, type: :request do
     before do
       project
 
-      allow(User).to receive(:current).and_return(user)
       get api_v3_paths.available_projects_on_create(type_id)
     end
 
-    context 'w/ the necessary permissions' do
-      it_behaves_like 'API V3 collection response', 1, 1, 'Project'
-
-      it 'has the project for which the add_work_packages permission exists' do
-        expect(last_response.body).to be_json_eql(project.id).at_path('_embedded/elements/0/id')
+    context 'with the necessary permissions' do
+      it_behaves_like 'API V3 collection response', 1, 1, 'Project' do
+        let(:elements) { [project] }
       end
     end
 
-    context 'w/o any add_work_packages permission' do
+    context 'without any add_work_packages permission' do
       let(:add_role) do
         create(:role, permissions: [])
       end
 
-      it { expect(last_response.status).to eq(403) }
+      it_behaves_like 'unauthorized access'
     end
   end
 end
diff --git a/spec/requests/api/v3/work_packages/available_projects_on_edit_api_spec.rb b/spec/requests/api/v3/work_packages/available_projects_on_edit_api_spec.rb
index 6ac3924d70..d1fb473d08 100644
--- a/spec/requests/api/v3/work_packages/available_projects_on_edit_api_spec.rb
+++ b/spec/requests/api/v3/work_packages/available_projects_on_edit_api_spec.rb
@@ -34,7 +34,7 @@ describe 'API::V3::WorkPackages::AvailableProjectsOnEditAPI', type: :request do
 
   let(:edit_role) do
     create(:role, permissions: %i[edit_work_packages
-                                             view_work_packages])
+                                  view_work_packages])
   end
   let(:move_role) do
     create(:role, permissions: [:move_work_packages])
@@ -42,45 +42,33 @@ describe 'API::V3::WorkPackages::AvailableProjectsOnEditAPI', type: :request do
   let(:project) { create(:project) }
   let(:target_project) { create(:project) }
   let(:work_package) { create(:work_package, project: project) }
-  let(:user) do
-    user = create(:user,
-                  member_in_project: project,
-                  member_through_role: edit_role)
 
-    create(:member,
-           user: user,
-           project: target_project,
-           roles: [move_role])
-
-    user
+  current_user do
+    create(:user,
+           member_in_project: project,
+           member_through_role: edit_role).tap do |user|
+      create(:member,
+             user: user,
+             project: target_project,
+             roles: [move_role])
+    end
   end
 
   before do
-    allow(User).to receive(:current).and_return(user)
     get api_v3_paths.available_projects_on_edit(work_package.id)
   end
 
-  context 'w/ the necessary permissions' do
-    it_behaves_like 'API V3 collection response', 1, 1, 'Project'
-
-    it 'has the project for which the move_work_packages permission exists' do
-      expect(last_response.body).to be_json_eql(target_project.id).at_path('_embedded/elements/0/id')
+  context 'with the necessary permissions' do
+    it_behaves_like 'API V3 collection response', 1, 1, 'Project' do
+      let(:elements) { [target_project] }
     end
   end
 
-  context 'w/o the edit_work_packages permission' do
+  context 'without the edit_work_packages permission' do
     let(:edit_role) do
       create(:role, permissions: [:view_work_packages])
     end
 
-    it { expect(last_response.status).to eq(403) }
-  end
-
-  context 'w/o the view_work_packages permission' do
-    let(:edit_role) do
-      create(:role, permissions: [:edit_work_packages])
-    end
-
-    it { expect(last_response.status).to eq(404) }
+    it_behaves_like 'unauthorized access'
   end
 end
diff --git a/spec/requests/api/v3/work_packages/by_project_create_resource_spec.rb b/spec/requests/api/v3/work_packages/by_project_create_resource_spec.rb
index 43bcf54530..4d81a96334 100644
--- a/spec/requests/api/v3/work_packages/by_project_create_resource_spec.rb
+++ b/spec/requests/api/v3/work_packages/by_project_create_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/work_packages/by_project_index_resource_spec.rb b/spec/requests/api/v3/work_packages/by_project_index_resource_spec.rb
index dd5c0c495d..5120a2e8e1 100644
--- a/spec/requests/api/v3/work_packages/by_project_index_resource_spec.rb
+++ b/spec/requests/api/v3/work_packages/by_project_index_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/work_packages/create_form_resource_spec.rb b/spec/requests/api/v3/work_packages/create_form_resource_spec.rb
index dd4a78813d..5bad1c5d5d 100644
--- a/spec/requests/api/v3/work_packages/create_form_resource_spec.rb
+++ b/spec/requests/api/v3/work_packages/create_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/work_packages/create_project_form_resource_spec.rb b/spec/requests/api/v3/work_packages/create_project_form_resource_spec.rb
index 2609fb948d..4596b35d3e 100644
--- a/spec/requests/api/v3/work_packages/create_project_form_resource_spec.rb
+++ b/spec/requests/api/v3/work_packages/create_project_form_resource_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/requests/api/v3/work_packages/form/work_package_form_resource_spec.rb b/spec/requests/api/v3/work_packages/form/work_package_form_resource_spec.rb
index 63b67cf332..2e6ab0a4a3 100644
--- a/spec/requests/api/v3/work_packages/form/work_package_form_resource_spec.rb
+++ b/spec/requests/api/v3/work_packages/form/work_package_form_resource_spec.rb
@@ -404,7 +404,8 @@ describe 'API v3 Work package form resource', type: :request, with_mail: false d
                 let(:path) { "_embedded/payload/_links/#{property}/href" }
                 let(:visible_user) do
                   create(:user,
-                         member_in_project: project)
+                         member_in_project: project,
+                         member_with_permissions: [:work_package_assigned])
                 end
                 let(:user_parameter) { { _links: { property => { href: user_link } } } }
                 let(:params) { valid_params.merge(user_parameter) }
@@ -441,7 +442,7 @@ describe 'API v3 Work package form resource', type: :request, with_mail: false d
                   context 'existing group' do
                     let(:user_link) { api_v3_paths.group group.id }
                     let(:group) { create(:group) }
-                    let(:role) { create(:role) }
+                    let(:role) { create(:role, permissions: %i[work_package_assigned]) }
                     let(:group_member) do
                       create(:member,
                              principal: group,
@@ -458,11 +459,10 @@ describe 'API v3 Work package form resource', type: :request, with_mail: false d
 
                   context 'existing placeholder_user' do
                     let(:user_link) { api_v3_paths.placeholder_user placeholder_user.id }
-                    let(:role) { create(:role) }
                     let(:placeholder_user) do
                       create(:placeholder_user,
                              member_in_project: project,
-                             member_through_role: role)
+                             member_with_permissions: %i[work_package_assigned])
                     end
 
                     it_behaves_like 'valid user assignment'
diff --git a/spec/requests/api/v3/work_packages/update_resource_spec.rb b/spec/requests/api/v3/work_packages/update_resource_spec.rb
index 8beebcbba9..3b73503e0b 100644
--- a/spec/requests/api/v3/work_packages/update_resource_spec.rb
+++ b/spec/requests/api/v3/work_packages/update_resource_spec.rb
@@ -45,7 +45,7 @@ describe 'API v3 Work package resource',
     create(:project, identifier: 'test_project', public: false)
   end
   let(:role) { create(:role, permissions: permissions) }
-  let(:permissions) { %i[view_work_packages edit_work_packages assign_versions] }
+  let(:permissions) { %i[view_work_packages edit_work_packages assign_versions work_package_assigned] }
   let(:type) { create(:type) }
 
   current_user do
@@ -442,7 +442,7 @@ describe 'API v3 Work package resource',
       end
 
       context 'assignee and responsible' do
-        let(:user) { create(:user, member_in_project: project) }
+        let(:user) { create(:user, member_in_project: project, member_with_permissions: %i[work_package_assigned]) }
         let(:params) { valid_params.merge(user_parameter) }
         let(:work_package) do
           create(:work_package,
@@ -455,7 +455,7 @@ describe 'API v3 Work package resource',
 
         shared_context 'setup group membership' do
           let(:group) { create(:group) }
-          let(:group_role) { create(:role) }
+          let(:group_role) { create(:role, permissions: %i[work_package_assigned]) }
           let!(:group_member) do
             create(:member,
                    principal: group,
diff --git a/spec/requests/auth/auth_source_sso_spec.rb b/spec/requests/auth/auth_source_sso_spec.rb
index a4b3eb9cfa..4b41c7b07e 100644
--- a/spec/requests/auth/auth_source_sso_spec.rb
+++ b/spec/requests/auth/auth_source_sso_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/requests/auth/oauth_login_csp_spec.rb b/spec/requests/auth/oauth_login_csp_spec.rb
index 140a86dd55..e4bf4b0cc8 100644
--- a/spec/requests/auth/oauth_login_csp_spec.rb
+++ b/spec/requests/auth/oauth_login_csp_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/requests/auth/token_based_access_spec.rb b/spec/requests/auth/token_based_access_spec.rb
index b012117807..d36a82262c 100644
--- a/spec/requests/auth/token_based_access_spec.rb
+++ b/spec/requests/auth/token_based_access_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/security/active_support_to_json_spec.rb b/spec/security/active_support_to_json_spec.rb
index 8396f0a2d5..ec3aaf30aa 100644
--- a/spec/security/active_support_to_json_spec.rb
+++ b/spec/security/active_support_to_json_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/seeders/demo_data_seeder_spec.rb b/spec/seeders/demo_data_seeder_spec.rb
index 75c84627cc..8b5f192c27 100644
--- a/spec/seeders/demo_data_seeder_spec.rb
+++ b/spec/seeders/demo_data_seeder_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -39,11 +37,12 @@ describe RootSeeder,
 
     expect(User.where(admin: true).count).to eq 1
     expect(Project.count).to eq 2
-    expect(WorkPackage.count).to eq 33
+    expect(WorkPackage.count).to eq 36
     expect(Wiki.count).to eq 2
-    expect(Query.having_views.count).to eq 7
+    expect(Query.having_views.count).to eq 8
     expect(View.where(type: 'work_packages_table').count).to eq 7
-    expect(Query.count).to eq 25
+    expect(View.where(type: 'team_planner').count).to eq 1
+    expect(Query.count).to eq 26
     expect(Projects::Status.count).to eq 2
     expect(Role.where(type: 'Role').count).to eq 5
     expect(GlobalRole.count).to eq 1
diff --git a/spec/seeders/setting_seeder_spec.rb b/spec/seeders/setting_seeder_spec.rb
index 8d60519502..2a436da3a0 100644
--- a/spec/seeders/setting_seeder_spec.rb
+++ b/spec/seeders/setting_seeder_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/add_work_package_note_service_spec.rb b/spec/services/add_work_package_note_service_spec.rb
index 4a5eafaa2a..5a22b20f99 100644
--- a/spec/services/add_work_package_note_service_spec.rb
+++ b/spec/services/add_work_package_note_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/attachments/create_service_integration_spec.rb b/spec/services/attachments/create_service_integration_spec.rb
index 250974f2ed..7e16d09557 100644
--- a/spec/services/attachments/create_service_integration_spec.rb
+++ b/spec/services/attachments/create_service_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/attachments/delete_service_integration_spec.rb b/spec/services/attachments/delete_service_integration_spec.rb
index 593f059b8d..bb12d54d95 100644
--- a/spec/services/attachments/delete_service_integration_spec.rb
+++ b/spec/services/attachments/delete_service_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/attachments/prepare_upload_service_integration_spec.rb b/spec/services/attachments/prepare_upload_service_integration_spec.rb
index 4eb2c042d0..4c17619c36 100644
--- a/spec/services/attachments/prepare_upload_service_integration_spec.rb
+++ b/spec/services/attachments/prepare_upload_service_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/authentication/omniauth_service_spec.rb b/spec/services/authentication/omniauth_service_spec.rb
index b231219b42..5043804dce 100644
--- a/spec/services/authentication/omniauth_service_spec.rb
+++ b/spec/services/authentication/omniauth_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/backups/create_service_spec.rb b/spec/services/backups/create_service_spec.rb
index 97f0381bfa..465fa4e377 100644
--- a/spec/services/backups/create_service_spec.rb
+++ b/spec/services/backups/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/base_services/behaves_like_create_service.rb b/spec/services/base_services/behaves_like_create_service.rb
index 727da8b15b..2722bbf083 100644
--- a/spec/services/base_services/behaves_like_create_service.rb
+++ b/spec/services/base_services/behaves_like_create_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/base_services/behaves_like_update_service.rb b/spec/services/base_services/behaves_like_update_service.rb
index fd53b4ac81..0413d1d6f3 100644
--- a/spec/services/base_services/behaves_like_update_service.rb
+++ b/spec/services/base_services/behaves_like_update_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/create_type_service_spec.rb b/spec/services/create_type_service_spec.rb
index ea5e9d99fc..48604e8187 100644
--- a/spec/services/create_type_service_spec.rb
+++ b/spec/services/create_type_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/custom_actions/update_service_spec.rb b/spec/services/custom_actions/update_service_spec.rb
index 15c89e0352..9664dba3e3 100644
--- a/spec/services/custom_actions/update_service_spec.rb
+++ b/spec/services/custom_actions/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/custom_actions/update_work_package_service_spec.rb b/spec/services/custom_actions/update_work_package_service_spec.rb
index a7a67c7d54..74b8ed27ff 100644
--- a/spec/services/custom_actions/update_work_package_service_spec.rb
+++ b/spec/services/custom_actions/update_work_package_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/custom_fields/create_service_spec.rb b/spec/services/custom_fields/create_service_spec.rb
index 58733dfeca..8a29ea0563 100644
--- a/spec/services/custom_fields/create_service_spec.rb
+++ b/spec/services/custom_fields/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/custom_fields/update_service_spec.rb b/spec/services/custom_fields/update_service_spec.rb
index 74a01bbd72..2471c9113f 100644
--- a/spec/services/custom_fields/update_service_spec.rb
+++ b/spec/services/custom_fields/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/groups/set_attributes_service_spec.rb b/spec/services/groups/set_attributes_service_spec.rb
index dbeff49c9f..a0102ab28b 100644
--- a/spec/services/groups/set_attributes_service_spec.rb
+++ b/spec/services/groups/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/groups/update_service_spec.rb b/spec/services/groups/update_service_spec.rb
index bb8e9d3961..1d6cb62eee 100644
--- a/spec/services/groups/update_service_spec.rb
+++ b/spec/services/groups/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/members/cleanup_service_integration_spec.rb b/spec/services/members/cleanup_service_integration_spec.rb
index 3cbcc5e00c..edbc9d77a2 100644
--- a/spec/services/members/cleanup_service_integration_spec.rb
+++ b/spec/services/members/cleanup_service_integration_spec.rb
@@ -58,7 +58,7 @@ describe Members::CleanupService, 'integration', type: :model do
         create(:member,
                principal: user,
                project: project,
-               roles: [create(:role, assignable: true)])
+               roles: [create(:role, permissions: %i[work_package_assigned])])
       end
 
       it 'keeps assigned_to to the user' do
@@ -74,7 +74,8 @@ describe Members::CleanupService, 'integration', type: :model do
         create(:member,
                principal: user,
                project: project,
-               roles: [create(:role, assignable: false)])
+               # Lacking work_package_assigned
+               roles: [create(:role, permissions: [])])
       end
 
       it 'sets assigned_to to nil' do
diff --git a/spec/services/members/create_service_spec.rb b/spec/services/members/create_service_spec.rb
index 58c4bd332b..e39d7da25b 100644
--- a/spec/services/members/create_service_spec.rb
+++ b/spec/services/members/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/members/set_attributes_service_spec.rb b/spec/services/members/set_attributes_service_spec.rb
index 6e64e70b6d..652e00badc 100644
--- a/spec/services/members/set_attributes_service_spec.rb
+++ b/spec/services/members/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/members/update_service_spec.rb b/spec/services/members/update_service_spec.rb
index 03dd67ea65..af95dd84f5 100644
--- a/spec/services/members/update_service_spec.rb
+++ b/spec/services/members/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/messages/create_service_spec.rb b/spec/services/messages/create_service_spec.rb
index f6bb48aa9f..912631c4ad 100644
--- a/spec/services/messages/create_service_spec.rb
+++ b/spec/services/messages/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/messages/update_service_spec.rb b/spec/services/messages/update_service_spec.rb
index d0e0f49c6d..164498c165 100644
--- a/spec/services/messages/update_service_spec.rb
+++ b/spec/services/messages/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/aggregated_journal_service_integration_spec.rb b/spec/services/notifications/aggregated_journal_service_integration_spec.rb
index cb19ebfe63..4f2c2454ea 100644
--- a/spec/services/notifications/aggregated_journal_service_integration_spec.rb
+++ b/spec/services/notifications/aggregated_journal_service_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/create_from_journal_job_shared.rb b/spec/services/notifications/create_from_journal_job_shared.rb
index 6ab7360bee..4029571927 100644
--- a/spec/services/notifications/create_from_journal_job_shared.rb
+++ b/spec/services/notifications/create_from_journal_job_shared.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/create_from_model_service_comment_spec.rb b/spec/services/notifications/create_from_model_service_comment_spec.rb
index 6b0994b273..021ab4537c 100644
--- a/spec/services/notifications/create_from_model_service_comment_spec.rb
+++ b/spec/services/notifications/create_from_model_service_comment_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/create_from_model_service_message_spec.rb b/spec/services/notifications/create_from_model_service_message_spec.rb
index 7a878e53a6..43a9dae45c 100644
--- a/spec/services/notifications/create_from_model_service_message_spec.rb
+++ b/spec/services/notifications/create_from_model_service_message_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/create_from_model_service_news_spec.rb b/spec/services/notifications/create_from_model_service_news_spec.rb
index 0263e8d436..7eda0665d1 100644
--- a/spec/services/notifications/create_from_model_service_news_spec.rb
+++ b/spec/services/notifications/create_from_model_service_news_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/create_from_model_service_wiki_spec.rb b/spec/services/notifications/create_from_model_service_wiki_spec.rb
index 5be48670e8..78491f86db 100644
--- a/spec/services/notifications/create_from_model_service_wiki_spec.rb
+++ b/spec/services/notifications/create_from_model_service_wiki_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/create_from_model_service_work_package_spec.rb b/spec/services/notifications/create_from_model_service_work_package_spec.rb
index 32bcf1c03f..6a029af7e1 100644
--- a/spec/services/notifications/create_from_model_service_work_package_spec.rb
+++ b/spec/services/notifications/create_from_model_service_work_package_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/create_service_spec.rb b/spec/services/notifications/create_service_spec.rb
index 35c5d1e143..bc900d8e25 100644
--- a/spec/services/notifications/create_service_spec.rb
+++ b/spec/services/notifications/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/mail_service_mentioned_integration_spec.rb b/spec/services/notifications/mail_service_mentioned_integration_spec.rb
index 1bb2b78185..77be240e82 100644
--- a/spec/services/notifications/mail_service_mentioned_integration_spec.rb
+++ b/spec/services/notifications/mail_service_mentioned_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/mail_service_spec.rb b/spec/services/notifications/mail_service_spec.rb
index b2c5201c35..2821cfdade 100644
--- a/spec/services/notifications/mail_service_spec.rb
+++ b/spec/services/notifications/mail_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/mentioned_journals_shared.rb b/spec/services/notifications/mentioned_journals_shared.rb
index 2789d73033..c007a66337 100644
--- a/spec/services/notifications/mentioned_journals_shared.rb
+++ b/spec/services/notifications/mentioned_journals_shared.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/notifications/set_attributes_service_spec.rb b/spec/services/notifications/set_attributes_service_spec.rb
index 55ce3c3829..b226867a74 100644
--- a/spec/services/notifications/set_attributes_service_spec.rb
+++ b/spec/services/notifications/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/parse_schema_filter_params_service_spec.rb b/spec/services/parse_schema_filter_params_service_spec.rb
index 9d72b8185f..dce4378123 100644
--- a/spec/services/parse_schema_filter_params_service_spec.rb
+++ b/spec/services/parse_schema_filter_params_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/placeholder_users/create_service_spec.rb b/spec/services/placeholder_users/create_service_spec.rb
index c7b877a003..13798dbd01 100644
--- a/spec/services/placeholder_users/create_service_spec.rb
+++ b/spec/services/placeholder_users/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/placeholder_users/update_service_spec.rb b/spec/services/placeholder_users/update_service_spec.rb
index e04f2843ea..7cb788ee79 100644
--- a/spec/services/placeholder_users/update_service_spec.rb
+++ b/spec/services/placeholder_users/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/projects/copy_service_integration_spec.rb b/spec/services/projects/copy_service_integration_spec.rb
index 0216705dbe..5c8df5800e 100644
--- a/spec/services/projects/copy_service_integration_spec.rb
+++ b/spec/services/projects/copy_service_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -51,7 +49,7 @@ describe Projects::CopyService, 'integration', type: :model do
            member_in_project: source,
            member_through_role: role)
   end
-  let(:role) { create :role, permissions: %i[copy_projects view_work_packages] }
+  let(:role) { create :role, permissions: %i[copy_projects view_work_packages work_package_assigned] }
   shared_let(:new_project_role) { create :role, permissions: %i[] }
   let(:instance) do
     described_class.new(source: source, user: current_user)
diff --git a/spec/services/projects/create_service_spec.rb b/spec/services/projects/create_service_spec.rb
index 09235fc9ca..74044c22ca 100644
--- a/spec/services/projects/create_service_spec.rb
+++ b/spec/services/projects/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/projects/gantt_query_generator_service_spec.rb b/spec/services/projects/gantt_query_generator_service_spec.rb
index 91706e7a02..221c952190 100644
--- a/spec/services/projects/gantt_query_generator_service_spec.rb
+++ b/spec/services/projects/gantt_query_generator_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/projects/set_attributes_service_spec.rb b/spec/services/projects/set_attributes_service_spec.rb
index b39c372f58..0c66173826 100644
--- a/spec/services/projects/set_attributes_service_spec.rb
+++ b/spec/services/projects/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/projects/update_service_spec.rb b/spec/services/projects/update_service_spec.rb
index b19c937418..f40b683a1b 100644
--- a/spec/services/projects/update_service_spec.rb
+++ b/spec/services/projects/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/queries/create_service_spec.rb b/spec/services/queries/create_service_spec.rb
index ac3659b1ad..328b0c3e8b 100644
--- a/spec/services/queries/create_service_spec.rb
+++ b/spec/services/queries/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/queries/filter_mappper_spec.rb b/spec/services/queries/filter_mappper_spec.rb
index b2910582d6..ebd6e8d679 100644
--- a/spec/services/queries/filter_mappper_spec.rb
+++ b/spec/services/queries/filter_mappper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/queries/update_service_spec.rb b/spec/services/queries/update_service_spec.rb
index 18cec89f4f..7ade445a3b 100644
--- a/spec/services/queries/update_service_spec.rb
+++ b/spec/services/queries/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/relations/create_service_spec.rb b/spec/services/relations/create_service_spec.rb
index e977fd6ed5..c5becd4517 100644
--- a/spec/services/relations/create_service_spec.rb
+++ b/spec/services/relations/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/relations/update_service_spec.rb b/spec/services/relations/update_service_spec.rb
index bea574a79a..225c5b930a 100644
--- a/spec/services/relations/update_service_spec.rb
+++ b/spec/services/relations/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/scm/checkout_instructions_service_spec.rb b/spec/services/scm/checkout_instructions_service_spec.rb
index 00a26e6835..c39f176af6 100644
--- a/spec/services/scm/checkout_instructions_service_spec.rb
+++ b/spec/services/scm/checkout_instructions_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/scm/create_managed_repository_service_spec.rb b/spec/services/scm/create_managed_repository_service_spec.rb
index 73fe16aa1b..41e0801cbf 100644
--- a/spec/services/scm/create_managed_repository_service_spec.rb
+++ b/spec/services/scm/create_managed_repository_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/scm/delete_managed_repository_service_spec.rb b/spec/services/scm/delete_managed_repository_service_spec.rb
index 40b49b948c..57e7daa2dd 100644
--- a/spec/services/scm/delete_managed_repository_service_spec.rb
+++ b/spec/services/scm/delete_managed_repository_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/scm/repository_factory_service_spec.rb b/spec/services/scm/repository_factory_service_spec.rb
index b13e60e664..870a3c393a 100644
--- a/spec/services/scm/repository_factory_service_spec.rb
+++ b/spec/services/scm/repository_factory_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/service_result_spec.rb b/spec/services/service_result_spec.rb
index 2fcefadddb..d059aac618 100644
--- a/spec/services/service_result_spec.rb
+++ b/spec/services/service_result_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -114,4 +112,32 @@ describe ServiceResult, type: :model do
       expect(instance.result).to be_nil
     end
   end
+
+  describe 'apply_flash_message!' do
+    let(:service_result) { described_class.new(message: message, **params) }
+    let(:params) { {} }
+    let(:message) { 'some message' }
+
+    subject(:flash) do
+      {}.tap { service_result.apply_flash_message!(_1) }
+    end
+
+    context 'when successful' do
+      let(:params) { { success: true } }
+
+      it { is_expected.to include(notice: message) }
+    end
+
+    context 'when failure' do
+      let(:params) { { success: false } }
+
+      it { is_expected.to include(error: message) }
+    end
+
+    context 'when setting message_type to :info' do
+      let(:params) { { message_type: :info } }
+
+      it { is_expected.to include(info: message) }
+    end
+  end
 end
diff --git a/spec/services/shared/service_context_integration_spec.rb b/spec/services/shared/service_context_integration_spec.rb
index 4cfb08d414..106d2f8ede 100644
--- a/spec/services/shared/service_context_integration_spec.rb
+++ b/spec/services/shared/service_context_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/shared_type_service.rb b/spec/services/shared_type_service.rb
index 34f1b7e5bb..0f3b575864 100644
--- a/spec/services/shared_type_service.rb
+++ b/spec/services/shared_type_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/update_projects_types_service.rb b/spec/services/update_projects_types_service.rb
index 1ae3186eb8..7e592d7618 100644
--- a/spec/services/update_projects_types_service.rb
+++ b/spec/services/update_projects_types_service.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/update_type_service_spec.rb b/spec/services/update_type_service_spec.rb
index e0cc1b7b82..4d61c72725 100644
--- a/spec/services/update_type_service_spec.rb
+++ b/spec/services/update_type_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/user_preferences/update_service_spec.rb b/spec/services/user_preferences/update_service_spec.rb
index dfd731e11f..13239ade1f 100644
--- a/spec/services/user_preferences/update_service_spec.rb
+++ b/spec/services/user_preferences/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/users/create_service_spec.rb b/spec/services/users/create_service_spec.rb
index bb78bbbcc0..19bc737c86 100644
--- a/spec/services/users/create_service_spec.rb
+++ b/spec/services/users/create_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/users/register_user_service_spec.rb b/spec/services/users/register_user_service_spec.rb
index 6df1c1efb3..0b3f287ad9 100644
--- a/spec/services/users/register_user_service_spec.rb
+++ b/spec/services/users/register_user_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/users/update_service_spec.rb b/spec/services/users/update_service_spec.rb
index 3e5402f5b8..680e703a24 100644
--- a/spec/services/users/update_service_spec.rb
+++ b/spec/services/users/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/services/wiki_pages/set_attributes_service_spec.rb b/spec/services/wiki_pages/set_attributes_service_spec.rb
index 89e9c160bb..29c52acf45 100644
--- a/spec/services/wiki_pages/set_attributes_service_spec.rb
+++ b/spec/services/wiki_pages/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/work_packages/delete_service_spec.rb b/spec/services/work_packages/delete_service_spec.rb
index f118b98cc2..a690263af7 100644
--- a/spec/services/work_packages/delete_service_spec.rb
+++ b/spec/services/work_packages/delete_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/work_packages/set_attributes_service_spec.rb b/spec/services/work_packages/set_attributes_service_spec.rb
index d461037d85..5019c1651e 100644
--- a/spec/services/work_packages/set_attributes_service_spec.rb
+++ b/spec/services/work_packages/set_attributes_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/work_packages/set_schedule_service_spec.rb b/spec/services/work_packages/set_schedule_service_spec.rb
index 9c2c0f54ca..401c785a51 100644
--- a/spec/services/work_packages/set_schedule_service_spec.rb
+++ b/spec/services/work_packages/set_schedule_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/work_packages/update_ancestors_service_spec.rb b/spec/services/work_packages/update_ancestors_service_spec.rb
index d6f77c38ba..340beb1613 100644
--- a/spec/services/work_packages/update_ancestors_service_spec.rb
+++ b/spec/services/work_packages/update_ancestors_service_spec.rb
@@ -340,4 +340,78 @@ describe WorkPackages::UpdateAncestorsService, type: :model, with_mail: false do
       it_behaves_like 'updates the attributes within the new hierarchy'
     end
   end
+
+  context 'with a common ancestor' do
+    let(:status) { open_status }
+    let(:done_ratio) { 50 }
+    let(:estimated_hours) { 7.0 }
+
+    let!(:grandparent) do
+      create :work_package,
+             derived_estimated_hours: estimated_hours,
+             done_ratio: done_ratio
+    end
+    let!(:old_parent) do
+      create :work_package,
+             parent: grandparent,
+             derived_estimated_hours: estimated_hours,
+             done_ratio: done_ratio
+    end
+    let!(:new_parent) do
+      create :work_package,
+             parent: grandparent
+    end
+    let!(:work_package) do
+      create :work_package,
+             parent: old_parent,
+             status: status,
+             estimated_hours: estimated_hours,
+             done_ratio: done_ratio
+    end
+
+    subject do
+      work_package.parent = new_parent
+      # In this test case, derived_estimated_hours and done_ratio will not
+      # inherently change on grandparent.  However, if work_package has siblings
+      # then changing its parent could cause derived_estimated_hours and/or
+      # done_ratio on grandparent to inherently change.  To verify that
+      # grandparent can be properly updated in that case without making this
+      # test dependent on the implementation details of the
+      # derived_estimated_hours and done_ratio calculations, force
+      # derived_estimated_hours and done_ratio to change at the same time as the
+      # parent.
+      work_package.estimated_hours = (estimated_hours + 1)
+      work_package.done_ratio = (done_ratio + 1)
+      work_package.save!
+
+      described_class
+        .new(user: user,
+             work_package: work_package)
+        .call(%i(parent))
+    end
+
+    before do
+      subject
+    end
+
+    it 'is successful' do
+      expect(subject)
+        .to be_success
+    end
+
+    it 'returns both the former and new ancestors in the dependent results without duplicates' do
+      expect(subject.dependent_results.map(&:result))
+        .to match_array [new_parent, grandparent, old_parent]
+    end
+
+    it 'updates the done_ratio of the former parent' do
+      expect(old_parent.reload(select: :done_ratio).done_ratio)
+        .to be 0
+    end
+
+    it 'updates the estimated_hours of the former parent' do
+      expect(old_parent.reload(select: :derived_estimated_hours).derived_estimated_hours)
+        .to be_nil
+    end
+  end
 end
diff --git a/spec/services/work_packages/update_service_integration_spec.rb b/spec/services/work_packages/update_service_integration_spec.rb
index fc46b99454..c02ca5dd2a 100644
--- a/spec/services/work_packages/update_service_integration_spec.rb
+++ b/spec/services/work_packages/update_service_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/services/work_packages/update_service_spec.rb b/spec/services/work_packages/update_service_spec.rb
index b33109c25b..ffd666e394 100644
--- a/spec/services/work_packages/update_service_spec.rb
+++ b/spec/services/work_packages/update_service_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/api/v3/shared_available_principals_examples.rb b/spec/support/api/v3/shared_available_principals_examples.rb
index cce464c79b..15021397e3 100644
--- a/spec/support/api/v3/shared_available_principals_examples.rb
+++ b/spec/support/api/v3/shared_available_principals_examples.rb
@@ -39,21 +39,23 @@ shared_examples_for 'available principals' do |principals|
   let(:other_user) do
     create(:user,
            member_in_project: project,
-           member_through_role: role)
+           member_through_role: assignable_role)
   end
   let(:role) { create(:role, permissions: permissions) }
+  let(:assignable_role) { create(:role, permissions: assignable_permissions) }
   let(:project) { create(:project) }
   let(:group) do
     create(:group,
            member_in_project: project,
-           member_through_role: role)
+           member_through_role: assignable_role)
   end
   let(:placeholder_user) do
     create(:placeholder_user,
            member_in_project: project,
-           member_through_role: role)
+           member_through_role: assignable_role)
   end
   let(:permissions) { [:view_work_packages] }
+  let(:assignable_permissions) { [:work_package_assigned] }
 
   shared_context "request available #{principals}" do
     before { get href }
@@ -67,13 +69,15 @@ shared_examples_for 'available principals' do |principals|
     end
 
     describe 'users' do
-      context 'single user' do
+      let(:permissions) { %i[view_work_packages work_package_assigned] }
+
+      context 'for a single user' do
         # The current user
 
         it_behaves_like "returns available #{principals}", 1, 1, 'User'
       end
 
-      context 'multiple users' do
+      context 'for multiple users' do
         before do
           other_user
           # and the current user
@@ -81,26 +85,31 @@ shared_examples_for 'available principals' do |principals|
 
         it_behaves_like "returns available #{principals}", 2, 2, 'User'
       end
+
+      context 'if the user lacks the assignable permission' do
+        let(:permissions) { %i[view_work_packages] }
+
+        it_behaves_like "returns available #{principals}", 0, 0, 'User'
+      end
     end
 
     describe 'groups' do
       let!(:users) { [group] }
 
-      # current user and group
-      it_behaves_like "returns available #{principals}", 2, 2, 'Group'
+      it_behaves_like "returns available #{principals}", 1, 1, 'Group'
     end
 
     describe 'placeholder users' do
       let!(:users) { [placeholder_user] }
 
-      # current user and placeholder user
-      it_behaves_like "returns available #{principals}", 2, 2, 'PlaceholderUser'
+      it_behaves_like "returns available #{principals}", 1, 1, 'PlaceholderUser'
     end
   end
 
   describe 'if not allowed' do
     include Rack::Test::Methods
     let(:permissions) { [] }
+
     before { get href }
 
     it_behaves_like 'unauthorized access'
diff --git a/spec/support/api/v3/work_packages/work_package_representer_eager_loading.rb b/spec/support/api/v3/work_packages/work_package_representer_eager_loading.rb
index 63ebf64df4..af43b97956 100644
--- a/spec/support/api/v3/work_packages/work_package_representer_eager_loading.rb
+++ b/spec/support/api/v3/work_packages/work_package_representer_eager_loading.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/clear_notification_subscriptions.rb b/spec/support/clear_notification_subscriptions.rb
index 6e3f4be518..ac1089fcd4 100644
--- a/spec/support/clear_notification_subscriptions.rb
+++ b/spec/support/clear_notification_subscriptions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/components/attachments/attachments.rb b/spec/support/components/attachments/attachments.rb
index 94931650d9..f1d1e034ff 100644
--- a/spec/support/components/attachments/attachments.rb
+++ b/spec/support/components/attachments/attachments.rb
@@ -8,7 +8,7 @@ module Components
 
     ##
     # Drag and Drop the file loaded from path on to the (native) target element
-    def drag_and_drop_file(target, path)
+    def drag_and_drop_file(target, path, position = :center)
       # Remove any previous input, if any
       page.execute_script <<-JS
         jQuery('#temporary_attachment_files').remove()
@@ -16,7 +16,12 @@ module Components
 
       # Use the HTML5 file dropper to create a fake drop event
       scroll_to_element(target)
-      page.execute_script(js_drop_files, target.native, 'temporary_attachment_files')
+      page.execute_script(
+        js_drop_files,
+        target.native,
+        'temporary_attachment_files',
+        position.to_s
+      )
 
       attach_file_on_input(path, 'temporary_attachment_files')
     end
diff --git a/spec/support/components/attachments/attachments_input.js b/spec/support/components/attachments/attachments_input.js
index 813c47dfda..25216c84d3 100644
--- a/spec/support/components/attachments/attachments_input.js
+++ b/spec/support/components/attachments/attachments_input.js
@@ -7,10 +7,25 @@ var target = params[0];
 // must exist on the page, create if needed.
 var name = params[1];
 
+var position = params[2];
+
 // We need coordinates to drop to the element
 var box = target.getBoundingClientRect();
-var targetX = box.left + (box.width / 2);
-var targetY = box.top + (box.height / 2);
+var targetX;
+var targetY;
+
+switch (position) {
+  case 'center':
+    targetX = box.left + (box.width / 2);
+    targetY = box.top + (box.height / 2);
+    break;
+  case 'bottom':
+    targetX = box.left + (box.width / 2);
+    targetY = box.bottom - 1;
+    break;
+  default:
+    throw new Error("Wrong position " + position);
+}
 
 var input = jQuery('<input>')
     .attr('id', name)
diff --git a/spec/support/components/work_packages/context_menu.rb b/spec/support/components/work_packages/context_menu.rb
index 24dc21ca73..95ca4d587a 100644
--- a/spec/support/components/work_packages/context_menu.rb
+++ b/spec/support/components/work_packages/context_menu.rb
@@ -32,12 +32,12 @@ module Components
       include Capybara::DSL
       include RSpec::Matchers
 
-      def open_for(work_package)
+      def open_for(work_package, card_view: false)
         # Close
         find('body').send_keys :escape
         sleep 0.5
 
-        if page.has_selector?('#wp-view-toggle-button', text: 'Cards')
+        if card_view || page.has_selector?('#wp-view-toggle-button', text: 'Cards')
           page.find(".op-wp-single-card-#{work_package.id}").right_click
         else
           page.find(".wp-row-#{work_package.id}-table").right_click
diff --git a/spec/support/components/wysiwyg/wysiwyg_editor.rb b/spec/support/components/wysiwyg/wysiwyg_editor.rb
index ba1835cf4c..fce1f50bce 100644
--- a/spec/support/components/wysiwyg/wysiwyg_editor.rb
+++ b/spec/support/components/wysiwyg/wysiwyg_editor.rb
@@ -72,16 +72,30 @@ module Components
     # Create an image fixture with the optional caption
     def drag_attachment(image_fixture, caption = 'Some caption')
       in_editor do |_container, editable|
-        sleep 0.5
-        editable.base.send_keys(:enter, 'some text', :enter, :enter)
+        sleep 1
 
+        # Click the latest figure, if any
         images = editable.all('figure.image')
-        attachments.drag_and_drop_file(editable, image_fixture)
+        if images.count > 0
+          images.last.click
+        end
+
+        # Click the "move below figure" button if selected
+        selected = page.all('.ck-widget_selected .ck-widget__type-around__button_after')
+        if selected.count > 0
+          selected.first.click
+        end
+
+        editable.base.send_keys(:enter, 'some text', :enter, :enter)
+
+        sleep 1
+
+        attachments.drag_and_drop_file(editable, image_fixture, :bottom)
 
         expect(page)
             .to have_selector('figure img[src^="/api/v3/attachments/"]', count: images.length + 1, wait: 10)
 
-        sleep 3
+        sleep 1
         expect(page).not_to have_selector('op-toasters-upload-progress', wait: 5)
 
         # Get the image uploaded last. As there is no way to distinguish between
@@ -97,6 +111,10 @@ module Components
           # Click the figure
           figure.click
           sleep(0.2)
+
+          # Toggle caption with button since newer version of ckeditor
+          click_hover_toolbar_button 'Toggle caption on'
+
           # Locate figcaption to create comment
           figcaption = figure.find('figcaption')
           figcaption.click
diff --git a/spec/support/flash.rb b/spec/support/flash.rb
index 197c5c6699..c38f4cf32b 100644
--- a/spec/support/flash.rb
+++ b/spec/support/flash.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/matchers/be_html_eql.rb b/spec/support/matchers/be_html_eql.rb
index d6fca6e359..71b6ecba3c 100644
--- a/spec/support/matchers/be_html_eql.rb
+++ b/spec/support/matchers/be_html_eql.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/matchers/has_conditional_selector.rb b/spec/support/matchers/has_conditional_selector.rb
index 4f5de10f14..65c91a6c57 100644
--- a/spec/support/matchers/has_conditional_selector.rb
+++ b/spec/support/matchers/has_conditional_selector.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/matchers/has_focus_on.rb b/spec/support/matchers/has_focus_on.rb
index 4bf6d075d9..a24fbe517c 100644
--- a/spec/support/matchers/has_focus_on.rb
+++ b/spec/support/matchers/has_focus_on.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/matchers/raise_if_found.rb b/spec/support/matchers/raise_if_found.rb
index 9f384d4552..43b08e11ed 100644
--- a/spec/support/matchers/raise_if_found.rb
+++ b/spec/support/matchers/raise_if_found.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/noop_contract.rb b/spec/support/noop_contract.rb
index 3ce9fa9349..417b893890 100644
--- a/spec/support/noop_contract.rb
+++ b/spec/support/noop_contract.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/pages/my/password_page.rb b/spec/support/pages/my/password_page.rb
index 351adce279..173061a8d2 100644
--- a/spec/support/pages/my/password_page.rb
+++ b/spec/support/pages/my/password_page.rb
@@ -56,7 +56,7 @@ module Pages
 
       def expect_password_updated_message
         expect(page)
-          .to have_selector('.flash.notice', text: I18n.t(:notice_account_password_updated))
+          .to have_selector('.flash.info', text: I18n.t(:notice_account_password_updated))
       end
 
       private
diff --git a/spec/support/permission_specs.rb b/spec/support/permission_specs.rb
index 420219961f..e02657b693 100644
--- a/spec/support/permission_specs.rb
+++ b/spec/support/permission_specs.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/puffing_billy_proxy.rb b/spec/support/puffing_billy_proxy.rb
index 6d8d4def72..1b90e756b0 100644
--- a/spec/support/puffing_billy_proxy.rb
+++ b/spec/support/puffing_billy_proxy.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/repository_helpers.rb b/spec/support/repository_helpers.rb
index e5326cb683..88c66d0ab5 100644
--- a/spec/support/repository_helpers.rb
+++ b/spec/support/repository_helpers.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/shared/become_member.rb b/spec/support/shared/become_member.rb
index da6e6b4a57..b1609bea85 100644
--- a/spec/support/shared/become_member.rb
+++ b/spec/support/shared/become_member.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/shared/clear_cache.rb b/spec/support/shared/clear_cache.rb
index 9c0f8cbfef..8d033ace42 100644
--- a/spec/support/shared/clear_cache.rb
+++ b/spec/support/shared/clear_cache.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/shared/forms_html.rb b/spec/support/shared/forms_html.rb
index 979aeef9f0..a2c24680e7 100644
--- a/spec/support/shared/forms_html.rb
+++ b/spec/support/shared/forms_html.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/shared/with_config.rb b/spec/support/shared/with_config.rb
index d8146ab0fc..a8b16c80d8 100644
--- a/spec/support/shared/with_config.rb
+++ b/spec/support/shared/with_config.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/shared/with_direct_uploads.rb b/spec/support/shared/with_direct_uploads.rb
index 0690e14da0..d9db50a134 100644
--- a/spec/support/shared/with_direct_uploads.rb
+++ b/spec/support/shared/with_direct_uploads.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/shared/with_ee.rb b/spec/support/shared/with_ee.rb
index 7431313d99..09c5f0f13d 100644
--- a/spec/support/shared/with_ee.rb
+++ b/spec/support/shared/with_ee.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/shared/with_settings.rb b/spec/support/shared/with_settings.rb
index 3caad5dd9f..cdc3b319c1 100644
--- a/spec/support/shared/with_settings.rb
+++ b/spec/support/shared/with_settings.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/tempdir.rb b/spec/support/tempdir.rb
index f7d30e6902..0bb0165b30 100644
--- a/spec/support/tempdir.rb
+++ b/spec/support/tempdir.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/support/webmock.rb b/spec/support/webmock.rb
index e163b70772..7644362588 100644
--- a/spec/support/webmock.rb
+++ b/spec/support/webmock.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/attachments/cleanup_uncontainered_job_integration_spec.rb b/spec/workers/attachments/cleanup_uncontainered_job_integration_spec.rb
index 488c5a7f62..4478416f12 100644
--- a/spec/workers/attachments/cleanup_uncontainered_job_integration_spec.rb
+++ b/spec/workers/attachments/cleanup_uncontainered_job_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/attachments/finish_direct_upload_job_integration_spec.rb b/spec/workers/attachments/finish_direct_upload_job_integration_spec.rb
index f567ebbf72..4719e1d6c1 100644
--- a/spec/workers/attachments/finish_direct_upload_job_integration_spec.rb
+++ b/spec/workers/attachments/finish_direct_upload_job_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2020 the OpenProject GmbH
diff --git a/spec/workers/extract_fulltext_job_spec.rb b/spec/workers/extract_fulltext_job_spec.rb
index ab31c97f95..dcae9822f6 100644
--- a/spec/workers/extract_fulltext_job_spec.rb
+++ b/spec/workers/extract_fulltext_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/journals/completed_job_spec.rb b/spec/workers/journals/completed_job_spec.rb
index 63c261448d..2efffb1909 100644
--- a/spec/workers/journals/completed_job_spec.rb
+++ b/spec/workers/journals/completed_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/mails/reminder_job_spec.rb b/spec/workers/mails/reminder_job_spec.rb
index 199f903270..b920400009 100644
--- a/spec/workers/mails/reminder_job_spec.rb
+++ b/spec/workers/mails/reminder_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/mails/shared/watcher_job.rb b/spec/workers/mails/shared/watcher_job.rb
index e7617ea930..3ecacbc6da 100644
--- a/spec/workers/mails/shared/watcher_job.rb
+++ b/spec/workers/mails/shared/watcher_job.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/mails/watcher_added_job_spec.rb b/spec/workers/mails/watcher_added_job_spec.rb
index 8eef14802f..3dae30739d 100644
--- a/spec/workers/mails/watcher_added_job_spec.rb
+++ b/spec/workers/mails/watcher_added_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/mails/watcher_removed_job_spec.rb b/spec/workers/mails/watcher_removed_job_spec.rb
index 1c62eb3e52..6533cc3bdc 100644
--- a/spec/workers/mails/watcher_removed_job_spec.rb
+++ b/spec/workers/mails/watcher_removed_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/notifications/group_member_altered_job_spec.rb b/spec/workers/notifications/group_member_altered_job_spec.rb
index 24007b44d6..b91292133e 100644
--- a/spec/workers/notifications/group_member_altered_job_spec.rb
+++ b/spec/workers/notifications/group_member_altered_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/notifications/schedule_reminder_mails_job_spec.rb b/spec/workers/notifications/schedule_reminder_mails_job_spec.rb
index 1ef470a92e..c3dae9104d 100644
--- a/spec/workers/notifications/schedule_reminder_mails_job_spec.rb
+++ b/spec/workers/notifications/schedule_reminder_mails_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/notifications/workflow_job_spec.rb b/spec/workers/notifications/workflow_job_spec.rb
index f9b704dd56..8ddca3bc7c 100644
--- a/spec/workers/notifications/workflow_job_spec.rb
+++ b/spec/workers/notifications/workflow_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/scm/create_local_repository_job_spec.rb b/spec/workers/scm/create_local_repository_job_spec.rb
index 3de296e198..323679a475 100644
--- a/spec/workers/scm/create_local_repository_job_spec.rb
+++ b/spec/workers/scm/create_local_repository_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/user_job_spec.rb b/spec/workers/user_job_spec.rb
index 3ec89e0a4f..06a8c90429 100644
--- a/spec/workers/user_job_spec.rb
+++ b/spec/workers/user_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/work_packages/exports/export_job_integration_spec.rb b/spec/workers/work_packages/exports/export_job_integration_spec.rb
index 30455a714e..f14369c596 100644
--- a/spec/workers/work_packages/exports/export_job_integration_spec.rb
+++ b/spec/workers/work_packages/exports/export_job_integration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec/workers/work_packages/exports/export_job_spec.rb b/spec/workers/work_packages/exports/export_job_spec.rb
index 37749cf10e..c49ecb1634 100644
--- a/spec/workers/work_packages/exports/export_job_spec.rb
+++ b/spec/workers/work_packages/exports/export_job_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/fixtures/files/060719210727_source.rb b/spec_legacy/fixtures/files/060719210727_source.rb
index ff8f1fad18..9087a3b845 100644
--- a/spec_legacy/fixtures/files/060719210727_source.rb
+++ b/spec_legacy/fixtures/files/060719210727_source.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/fixtures/role_permissions.yml b/spec_legacy/fixtures/role_permissions.yml
index b97c12fd76..64a366238c 100644
--- a/spec_legacy/fixtures/role_permissions.yml
+++ b/spec_legacy/fixtures/role_permissions.yml
@@ -340,6 +340,10 @@ role_permission132:
   id: 132
   role_id: 2
   permission: 'assign_versions'
+role_permission133:
+  id: 133
+  role_id: 2
+  permission: 'work_package_assigned'
 
 role_permission200:
   id: 200
diff --git a/spec_legacy/functional/roles_controller_spec.rb b/spec_legacy/functional/roles_controller_spec.rb
index a2682fc69a..90ebdc5ab1 100644
--- a/spec_legacy/functional/roles_controller_spec.rb
+++ b/spec_legacy/functional/roles_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/functional/wiki_controller_spec.rb b/spec_legacy/functional/wiki_controller_spec.rb
index 0c644d6768..3a494bf41a 100644
--- a/spec_legacy/functional/wiki_controller_spec.rb
+++ b/spec_legacy/functional/wiki_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/functional/workflows_controller_spec.rb b/spec_legacy/functional/workflows_controller_spec.rb
index f7d1566b8c..ad65105b81 100644
--- a/spec_legacy/functional/workflows_controller_spec.rb
+++ b/spec_legacy/functional/workflows_controller_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/legacy_spec_helper.rb b/spec_legacy/legacy_spec_helper.rb
index b2f9f91d46..574a95cc05 100644
--- a/spec_legacy/legacy_spec_helper.rb
+++ b/spec_legacy/legacy_spec_helper.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/support/legacy_assertions.rb b/spec_legacy/support/legacy_assertions.rb
index 0e54120657..312b702a03 100644
--- a/spec_legacy/support/legacy_assertions.rb
+++ b/spec_legacy/support/legacy_assertions.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/comment_spec.rb b/spec_legacy/unit/comment_spec.rb
index 825157b910..42749cdf53 100644
--- a/spec_legacy/unit/comment_spec.rb
+++ b/spec_legacy/unit/comment_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/custom_value_spec.rb b/spec_legacy/unit/custom_value_spec.rb
index f2dce50565..7b4ba19aa2 100644
--- a/spec_legacy/unit/custom_value_spec.rb
+++ b/spec_legacy/unit/custom_value_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/enumeration_spec.rb b/spec_legacy/unit/enumeration_spec.rb
index b891985998..0dea552929 100644
--- a/spec_legacy/unit/enumeration_spec.rb
+++ b/spec_legacy/unit/enumeration_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/helpers/sort_helper_spec.rb b/spec_legacy/unit/helpers/sort_helper_spec.rb
index d50e604e54..4a5344ca45 100644
--- a/spec_legacy/unit/helpers/sort_helper_spec.rb
+++ b/spec_legacy/unit/helpers/sort_helper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/lib/redmine/i18n_spec.rb b/spec_legacy/unit/lib/redmine/i18n_spec.rb
index aeac884342..8e386d197a 100644
--- a/spec_legacy/unit/lib/redmine/i18n_spec.rb
+++ b/spec_legacy/unit/lib/redmine/i18n_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/lib/redmine/menu_manager/mapper_spec.rb b/spec_legacy/unit/lib/redmine/menu_manager/mapper_spec.rb
index 5ae5749887..6a921fc552 100644
--- a/spec_legacy/unit/lib/redmine/menu_manager/mapper_spec.rb
+++ b/spec_legacy/unit/lib/redmine/menu_manager/mapper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/lib/redmine/menu_manager/menu_helper_spec.rb b/spec_legacy/unit/lib/redmine/menu_manager/menu_helper_spec.rb
index 2b8c0483e1..b5c9f46d08 100644
--- a/spec_legacy/unit/lib/redmine/menu_manager/menu_helper_spec.rb
+++ b/spec_legacy/unit/lib/redmine/menu_manager/menu_helper_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/lib/redmine/menu_manager/menu_item_spec.rb b/spec_legacy/unit/lib/redmine/menu_manager/menu_item_spec.rb
index d7d1c4a419..a08115f2cf 100644
--- a/spec_legacy/unit/lib/redmine/menu_manager/menu_item_spec.rb
+++ b/spec_legacy/unit/lib/redmine/menu_manager/menu_item_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/lib/redmine/plugin_spec.rb b/spec_legacy/unit/lib/redmine/plugin_spec.rb
index 008ab2f6b5..46d0af989b 100644
--- a/spec_legacy/unit/lib/redmine/plugin_spec.rb
+++ b/spec_legacy/unit/lib/redmine/plugin_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/lib/redmine/unified_diff_spec.rb b/spec_legacy/unit/lib/redmine/unified_diff_spec.rb
index 81eaa9ba6a..30ba525801 100644
--- a/spec_legacy/unit/lib/redmine/unified_diff_spec.rb
+++ b/spec_legacy/unit/lib/redmine/unified_diff_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/lib/redmine_spec.rb b/spec_legacy/unit/lib/redmine_spec.rb
index 7916fe1913..1a7d48d16a 100644
--- a/spec_legacy/unit/lib/redmine_spec.rb
+++ b/spec_legacy/unit/lib/redmine_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/mail_handler_spec.rb b/spec_legacy/unit/mail_handler_spec.rb
index 6470fa412e..980d2bfca3 100644
--- a/spec_legacy/unit/mail_handler_spec.rb
+++ b/spec_legacy/unit/mail_handler_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
@@ -114,7 +112,7 @@ describe MailHandler, type: :model do
 
   it 'should add work package should match assignee on display name' do # added from redmine  - not sure if it is ok here
     user = create(:user, firstname: 'Foo', lastname: 'Bar')
-    role = create(:role, name: 'Superhero')
+    role = create(:role, name: 'Superhero', permissions: ['work_package_assigned'])
     create(:member, user: user, project: Project.find(2), role_ids: [role.id])
     issue = submit_email('ticket_on_given_project.eml') do |email|
       email.sub!(/^Assigned to.*$/, 'Assigned to: Foo Bar')
diff --git a/spec_legacy/unit/project_spec.rb b/spec_legacy/unit/project_spec.rb
index 18b7e99fa2..e42b0a3e5c 100644
--- a/spec_legacy/unit/project_spec.rb
+++ b/spec_legacy/unit/project_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/search_spec.rb b/spec_legacy/unit/search_spec.rb
index e290e37b89..357747cd99 100644
--- a/spec_legacy/unit/search_spec.rb
+++ b/spec_legacy/unit/search_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/user_spec.rb b/spec_legacy/unit/user_spec.rb
index 5cbcc0cdb7..0675ac0063 100644
--- a/spec_legacy/unit/user_spec.rb
+++ b/spec_legacy/unit/user_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/version_spec.rb b/spec_legacy/unit/version_spec.rb
index 91bfbd21e4..8666afe35d 100644
--- a/spec_legacy/unit/version_spec.rb
+++ b/spec_legacy/unit/version_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/spec_legacy/unit/wiki_page_spec.rb b/spec_legacy/unit/wiki_page_spec.rb
index 079a362ac4..1c9bb9a7cf 100644
--- a/spec_legacy/unit/wiki_page_spec.rb
+++ b/spec_legacy/unit/wiki_page_spec.rb
@@ -1,5 +1,3 @@
-#-- encoding: UTF-8
-
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) 2012-2022 the OpenProject GmbH
diff --git a/vendor/openproject-icon-font/generate.js b/vendor/openproject-icon-font/generate.js
deleted file mode 100644
index 1cdcaf75eb..0000000000
--- a/vendor/openproject-icon-font/generate.js
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/usr/bin/env node
-
-const webfontsGenerator = require('webfonts-generator');
-const path = require('path');
-const fs = require('fs');
-const glob = require("glob")
-
-webfontsGenerator({
-  files: glob.sync("src/*.svg"),
-  "fontName": "openproject-icon-font",
-  "cssFontsUrl": "../../frontend/src/assets/fonts/openproject_icon/",
-  "dest": path.resolve(__dirname, '..', '..', 'frontend', 'src', 'assets', 'fonts', 'openproject_icon'),
-  "cssDest": path.join(path.resolve(__dirname, '..', '..', 'frontend', 'src', 'global_styles', 'fonts'), '_openproject_icon_definitions.scss'),
-  "cssTemplate": "openproject-icon-font.template.scss",
-  "classPrefix": "icon-",
-  "baseSelector": ".icon",
-  "html": true,
-  "htmlDest": path.join(path.resolve(__dirname, '..', '..', 'frontend', 'src', 'global_styles', 'fonts'), '_openproject_icon_font.lsg'),
-  "htmlTemplate": "openproject-icon-font.template.lsg",
-  "types": ['woff2', 'woff'],
-  "fixedWidth": true,
-  "descent": 100
-}, function(error) {
-  if (error) {
-    console.log('Failed to build icon font. ', error);
-  }
-});
diff --git a/vendor/openproject-icon-font/openproject-icon-font.template.scss b/vendor/openproject-icon-font/openproject-icon-font.template.scss
deleted file mode 100644
index 25091f80cb..0000000000
--- a/vendor/openproject-icon-font/openproject-icon-font.template.scss
+++ /dev/null
@@ -1,8 +0,0 @@
-{{#each codepoints}}
-@mixin icon-mixin-{{@key}} {
-    content: "\\{{this}}";
-}
-.{{../classPrefix}}{{@key}}:before {
-	content: "\\{{this}}";
-}
-{{/each}}